diff options
| author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
|---|---|---|
| committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2017-06-27 06:07:23 +0000 |
| commit | 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch) | |
| tree | 46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/WebInspectorUI/UserInterface/External | |
| parent | 32761a6cee1d0dee366b885b7b9c777e67885688 (diff) | |
| download | WebKitGtk-tarball-master.tar.gz | |
webkitgtk-2.16.5HEADwebkitgtk-2.16.5master
Diffstat (limited to 'Source/WebInspectorUI/UserInterface/External')
27 files changed, 36942 insertions, 7253 deletions
diff --git a/Source/WebInspectorUI/UserInterface/External/.eslintrc b/Source/WebInspectorUI/UserInterface/External/.eslintrc new file mode 100644 index 000000000..ecab33702 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/.eslintrc @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2014 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +{ + "rules": { + "eqeqeq": 0 + } +} diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/LICENSE b/Source/WebInspectorUI/UserInterface/External/CodeMirror/LICENSE new file mode 100644 index 000000000..766132177 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/LICENSE @@ -0,0 +1,19 @@ +Copyright (C) 2016 by Marijn Haverbeke <marijnh@gmail.com> and others + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/clojure.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/clojure.js index ee22a12fe..ed6af2c83 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/clojure.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/clojure.js @@ -1,11 +1,26 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + /** * Author: Hans Engel * Branched from CodeMirror's Scheme mode (by Koh Zi Han, based on implementation by Koh Zi Chun) */ -CodeMirror.defineMode("clojure", function () { + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +CodeMirror.defineMode("clojure", function (options) { var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", CHARACTER = "string-2", - ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword"; - var INDENT_WORD_SKIP = 2; + ATOM = "atom", NUMBER = "number", BRACKET = "bracket", KEYWORD = "keyword", VAR = "variable"; + var INDENT_WORD_SKIP = options.indentUnit || 2; + var NORMAL_INDENT_UNIT = options.indentUnit || 2; function makeKeywords(str) { var obj = {}, words = str.split(" "); @@ -16,14 +31,70 @@ CodeMirror.defineMode("clojure", function () { var atoms = makeKeywords("true false nil"); var keywords = makeKeywords( - "defn defn- def def- defonce defmulti defmethod defmacro defstruct deftype defprotocol defrecord defproject deftest slice defalias defhinted defmacro- defn-memo defnk defnk defonce- defunbound defunbound- defvar defvar- let letfn do case cond condp for loop recur when when-not when-let when-first if if-let if-not . .. -> ->> doto and or dosync doseq dotimes dorun doall load import unimport ns in-ns refer try catch finally throw with-open with-local-vars binding gen-class gen-and-load-class gen-and-save-class handler-case handle"); + "defn defn- def def- defonce defmulti defmethod defmacro defstruct deftype defprotocol defrecord defproject deftest " + + "slice defalias defhinted defmacro- defn-memo defnk defnk defonce- defunbound defunbound- defvar defvar- let letfn " + + "do case cond condp for loop recur when when-not when-let when-first if if-let if-not . .. -> ->> doto and or dosync " + + "doseq dotimes dorun doall load import unimport ns in-ns refer try catch finally throw with-open with-local-vars " + + "binding gen-class gen-and-load-class gen-and-save-class handler-case handle"); var builtins = makeKeywords( - "* *' *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* *command-line-args* *compile-files* *compile-path* *compiler-options* *data-readers* *e *err* *file* *flush-on-newline* *fn-loader* *in* *math-context* *ns* *out* *print-dup* *print-length* *print-level* *print-meta* *print-readably* *read-eval* *source-path* *unchecked-math* *use-context-classloader* *verbose-defrecords* *warn-on-reflection* + +' - -' -> ->> ->ArrayChunk ->Vec ->VecNode ->VecSeq -cache-protocol-fn -reset-methods .. / < <= = == > >= EMPTY-NODE accessor aclone add-classpath add-watch agent agent-error agent-errors aget alength alias all-ns alter alter-meta! alter-var-root amap ancestors and apply areduce array-map aset aset-boolean aset-byte aset-char aset-double aset-float aset-int aset-long aset-short assert assoc assoc! assoc-in associative? atom await await-for await1 bases bean bigdec bigint biginteger binding bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set bit-shift-left bit-shift-right bit-test bit-xor boolean boolean-array booleans bound-fn bound-fn* bound? butlast byte byte-array bytes case cast char char-array char-escape-string char-name-string char? chars chunk chunk-append chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? class class? clear-agent-errors clojure-version coll? comment commute comp comparator compare compare-and-set! compile complement concat cond condp conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? declare default-data-readers definline definterface defmacro defmethod defmulti defn defn- defonce defprotocol defrecord defstruct deftype delay delay? deliver denominator deref derive descendants destructure disj disj! dissoc dissoc! distinct distinct? doall dorun doseq dosync dotimes doto double double-array doubles drop drop-last drop-while empty empty? ensure enumeration-seq error-handler error-mode eval even? every-pred every? ex-data ex-info extend extend-protocol extend-type extenders extends? false? ffirst file-seq filter filterv find find-keyword find-ns find-protocol-impl find-protocol-method find-var first flatten float float-array float? floats flush fn fn? fnext fnil for force format frequencies future future-call future-cancel future-cancelled? future-done? future? gen-class gen-interface gensym get get-in get-method get-proxy-class get-thread-bindings get-validator group-by hash hash-combine hash-map hash-set identical? identity if-let if-not ifn? import in-ns inc inc' init-proxy instance? int int-array integer? interleave intern interpose into into-array ints io! isa? iterate iterator-seq juxt keep keep-indexed key keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list list* list? load load-file load-reader load-string loaded-libs locking long long-array longs loop macroexpand macroexpand-1 make-array make-hierarchy map map-indexed map? mapcat mapv max max-key memfn memoize merge merge-with meta method-sig methods min min-key mod munge name namespace namespace-munge neg? newline next nfirst nil? nnext not not-any? not-empty not-every? not= ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ns-refers ns-resolve ns-unalias ns-unmap nth nthnext nthrest num number? numerator object-array odd? or parents partial partition partition-all partition-by pcalls peek persistent! pmap pop pop! pop-thread-bindings pos? pr pr-str prefer-method prefers primitives-classnames print print-ctor print-dup print-method print-simple print-str printf println println-str prn prn-str promise proxy proxy-call-with-super proxy-mappings proxy-name proxy-super push-thread-bindings pvalues quot rand rand-int rand-nth range ratio? rational? rationalize re-find re-groups re-matcher re-matches re-pattern re-seq read read-line read-string realized? reduce reduce-kv reductions ref ref-history-count ref-max-history ref-min-history ref-set refer refer-clojure reify release-pending-sends rem remove remove-all-methods remove-method remove-ns remove-watch repeat repeatedly replace replicate require reset! reset-meta! resolve rest restart-agent resultset-seq reverse reversible? rseq rsubseq satisfies? second select-keys send send-off seq seq? seque sequence sequential? set set-error-handler! set-error-mode! set-validator! set? short short-array shorts shuffle shutdown-agents slurp some some-fn sort sort-by sorted-map sorted-map-by sorted-set sorted-set-by sorted? special-symbol? spit split-at split-with str string? struct struct-map subs subseq subvec supers swap! symbol symbol? sync take take-last take-nth take-while test the-ns thread-bound? time to-array to-array-2d trampoline transient tree-seq true? type unchecked-add unchecked-add-int unchecked-byte unchecked-char unchecked-dec unchecked-dec-int unchecked-divide-int unchecked-double unchecked-float unchecked-inc unchecked-inc-int unchecked-int unchecked-long unchecked-multiply unchecked-multiply-int unchecked-negate unchecked-negate-int unchecked-remainder-int unchecked-short unchecked-subtract unchecked-subtract-int underive unquote unquote-splicing update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of vector? when when-first when-let when-not while with-bindings with-bindings* with-in-str with-loading-context with-local-vars with-meta with-open with-out-str with-precision with-redefs with-redefs-fn xml-seq zero? zipmap *default-data-reader-fn* as-> cond-> cond->> reduced reduced? send-via set-agent-send-executor! set-agent-send-off-executor! some-> some->>"); + "* *' *1 *2 *3 *agent* *allow-unresolved-vars* *assert* *clojure-version* *command-line-args* *compile-files* " + + "*compile-path* *compiler-options* *data-readers* *e *err* *file* *flush-on-newline* *fn-loader* *in* " + + "*math-context* *ns* *out* *print-dup* *print-length* *print-level* *print-meta* *print-readably* *read-eval* " + + "*source-path* *unchecked-math* *use-context-classloader* *verbose-defrecords* *warn-on-reflection* + +' - -' -> " + + "->> ->ArrayChunk ->Vec ->VecNode ->VecSeq -cache-protocol-fn -reset-methods .. / < <= = == > >= EMPTY-NODE accessor " + + "aclone add-classpath add-watch agent agent-error agent-errors aget alength alias all-ns alter alter-meta! " + + "alter-var-root amap ancestors and apply areduce array-map aset aset-boolean aset-byte aset-char aset-double " + + "aset-float aset-int aset-long aset-short assert assoc assoc! assoc-in associative? atom await await-for await1 " + + "bases bean bigdec bigint biginteger binding bit-and bit-and-not bit-clear bit-flip bit-not bit-or bit-set " + + "bit-shift-left bit-shift-right bit-test bit-xor boolean boolean-array booleans bound-fn bound-fn* bound? butlast " + + "byte byte-array bytes case cat cast char char-array char-escape-string char-name-string char? chars chunk chunk-append " + + "chunk-buffer chunk-cons chunk-first chunk-next chunk-rest chunked-seq? class class? clear-agent-errors " + + "clojure-version coll? comment commute comp comparator compare compare-and-set! compile complement completing concat cond condp " + + "conj conj! cons constantly construct-proxy contains? count counted? create-ns create-struct cycle dec dec' decimal? " + + "declare dedupe default-data-readers definline definterface defmacro defmethod defmulti defn defn- defonce defprotocol " + + "defrecord defstruct deftype delay delay? deliver denominator deref derive descendants destructure disj disj! dissoc " + + "dissoc! distinct distinct? doall dorun doseq dosync dotimes doto double double-array doubles drop drop-last " + + "drop-while eduction empty empty? ensure enumeration-seq error-handler error-mode eval even? every-pred every? ex-data ex-info " + + "extend extend-protocol extend-type extenders extends? false? ffirst file-seq filter filterv find find-keyword " + + "find-ns find-protocol-impl find-protocol-method find-var first flatten float float-array float? floats flush fn fn? " + + "fnext fnil for force format frequencies future future-call future-cancel future-cancelled? future-done? future? " + + "gen-class gen-interface gensym get get-in get-method get-proxy-class get-thread-bindings get-validator group-by hash " + + "hash-combine hash-map hash-set identical? identity if-let if-not ifn? import in-ns inc inc' init-proxy instance? " + + "int int-array integer? interleave intern interpose into into-array ints io! isa? iterate iterator-seq juxt keep " + + "keep-indexed key keys keyword keyword? last lazy-cat lazy-seq let letfn line-seq list list* list? load load-file " + + "load-reader load-string loaded-libs locking long long-array longs loop macroexpand macroexpand-1 make-array " + + "make-hierarchy map map-indexed map? mapcat mapv max max-key memfn memoize merge merge-with meta method-sig methods " + + "min min-key mod munge name namespace namespace-munge neg? newline next nfirst nil? nnext not not-any? not-empty " + + "not-every? not= ns ns-aliases ns-imports ns-interns ns-map ns-name ns-publics ns-refers ns-resolve ns-unalias " + + "ns-unmap nth nthnext nthrest num number? numerator object-array odd? or parents partial partition partition-all " + + "partition-by pcalls peek persistent! pmap pop pop! pop-thread-bindings pos? pr pr-str prefer-method prefers " + + "primitives-classnames print print-ctor print-dup print-method print-simple print-str printf println println-str " + + "prn prn-str promise proxy proxy-call-with-super proxy-mappings proxy-name proxy-super push-thread-bindings pvalues " + + "quot rand rand-int rand-nth random-sample range ratio? rational? rationalize re-find re-groups re-matcher re-matches re-pattern " + + "re-seq read read-line read-string realized? reduce reduce-kv reductions ref ref-history-count ref-max-history " + + "ref-min-history ref-set refer refer-clojure reify release-pending-sends rem remove remove-all-methods " + + "remove-method remove-ns remove-watch repeat repeatedly replace replicate require reset! reset-meta! resolve rest " + + "restart-agent resultset-seq reverse reversible? rseq rsubseq satisfies? second select-keys send send-off seq seq? " + + "seque sequence sequential? set set-error-handler! set-error-mode! set-validator! set? short short-array shorts " + + "shuffle shutdown-agents slurp some some-fn sort sort-by sorted-map sorted-map-by sorted-set sorted-set-by sorted? " + + "special-symbol? spit split-at split-with str string? struct struct-map subs subseq subvec supers swap! symbol " + + "symbol? sync take take-last take-nth take-while test the-ns thread-bound? time to-array to-array-2d trampoline transduce " + + "transient tree-seq true? type unchecked-add unchecked-add-int unchecked-byte unchecked-char unchecked-dec " + + "unchecked-dec-int unchecked-divide-int unchecked-double unchecked-float unchecked-inc unchecked-inc-int " + + "unchecked-int unchecked-long unchecked-multiply unchecked-multiply-int unchecked-negate unchecked-negate-int "+ + "unchecked-remainder-int unchecked-short unchecked-subtract unchecked-subtract-int underive unquote " + + "unquote-splicing update update-in update-proxy use val vals var-get var-set var? vary-meta vec vector vector-of " + + "vector? volatile! volatile? vreset! vswap! when when-first when-let when-not while with-bindings with-bindings* with-in-str with-loading-context " + + "with-local-vars with-meta with-open with-out-str with-precision with-redefs with-redefs-fn xml-seq zero? zipmap " + + "*default-data-reader-fn* as-> cond-> cond->> reduced reduced? send-via set-agent-send-executor! " + + "set-agent-send-off-executor! some-> some->>"); var indentKeys = makeKeywords( // Built-ins - "ns fn def defn defmethod bound-fn if if-not case condp when while when-not when-first do future comment doto locking proxy with-open with-precision reify deftype defrecord defprotocol extend extend-protocol extend-type try catch " + + "ns fn def defn defmethod bound-fn if if-not case condp when while when-not when-first do future comment doto " + + "locking proxy with-open with-precision reify deftype defrecord defprotocol extend extend-protocol extend-type " + + "try catch " + // Binding forms "let letfn binding loop for doseq dotimes when-let if-let " + @@ -44,7 +115,8 @@ CodeMirror.defineMode("clojure", function () { sign: /[+-]/, exponent: /e/i, keyword_char: /[^\s\(\[\;\)\]]/, - symbol: /[\w*+!\-\._?:\/]/ + symbol: /[\w*+!\-\._?:<>\/\xa1-\uffff]/, + block_indent: /^(?:def|with)[^\/]+$|\/(?:def|with)/ }; function stateStack(indent, type, prev) { // represents a state stack object @@ -81,6 +153,9 @@ CodeMirror.defineMode("clojure", function () { if ( '.' == stream.peek() ) { stream.eat('.'); stream.eatWhile(tests.digit); + } else if ('/' == stream.peek() ) { + stream.eat('/'); + stream.eatWhile(tests.digit); } if ( stream.eat(tests.exponent) ) { @@ -99,7 +174,7 @@ CodeMirror.defineMode("clojure", function () { var first = stream.next(); // Read special literals: backspace, newline, space, return. // Just read all lowercase letters. - if (first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) { + if (first && first.match(/[a-z]/) && stream.match(/[a-z]+/, true)) { return; } // Read unicode character: \u1000 \uA0a1 @@ -124,7 +199,7 @@ CodeMirror.defineMode("clojure", function () { } // skip spaces - if (stream.eatSpace()) { + if (state.mode != "string" && stream.eatSpace()) { return null; } var returnType = null; @@ -172,15 +247,15 @@ CodeMirror.defineMode("clojure", function () { } if (keyWord.length > 0 && (indentKeys.propertyIsEnumerable(keyWord) || - /^(?:def|with)/.test(keyWord))) { // indent-word + tests.block_indent.test(keyWord))) { // indent-word pushStack(state, indentTemp + INDENT_WORD_SKIP, ch); } else { // non-indent word // we continue eating the spaces stream.eatSpace(); if (stream.eol() || stream.peek() == ";") { // nothing significant after - // we restart indentation 1 space after - pushStack(state, indentTemp + 1, ch); + // we restart indentation the user defined spaces after + pushStack(state, indentTemp + NORMAL_INDENT_UNIT, ch); } else { pushStack(state, indentTemp + stream.current().length, ch); // else we match } @@ -205,7 +280,9 @@ CodeMirror.defineMode("clojure", function () { returnType = BUILTIN; } else if (atoms && atoms.propertyIsEnumerable(stream.current())) { returnType = ATOM; - } else returnType = null; + } else { + returnType = VAR; + } } } @@ -217,8 +294,13 @@ CodeMirror.defineMode("clojure", function () { return state.indentStack.indent; }, + closeBrackets: {pairs: "()[]{}\"\""}, lineComment: ";;" }; }); CodeMirror.defineMIME("text/x-clojure", "clojure"); +CodeMirror.defineMIME("text/x-clojurescript", "clojure"); +CodeMirror.defineMIME("application/edn", "clojure"); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/closebrackets.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/closebrackets.js index 88718b772..7c47bcd09 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/closebrackets.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/closebrackets.js @@ -1,82 +1,202 @@ -(function() { - var DEFAULT_BRACKETS = "()[]{}''\"\""; - var DEFAULT_EXPLODE_ON_ENTER = "[]{}"; - var SPACE_CHAR_REGEX = /\s/; +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + var defaults = { + pairs: "()[]{}''\"\"", + triples: "", + explode: "[]{}" + }; + + var Pos = CodeMirror.Pos; CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) { - if (old != CodeMirror.Init && old) - cm.removeKeyMap("autoCloseBrackets"); - if (!val) return; - var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER; - if (typeof val == "string") pairs = val; - else if (typeof val == "object") { - if (val.pairs != null) pairs = val.pairs; - if (val.explode != null) explode = val.explode; + if (old && old != CodeMirror.Init) { + cm.removeKeyMap(keyMap); + cm.state.closeBrackets = null; + } + if (val) { + cm.state.closeBrackets = val; + cm.addKeyMap(keyMap); } - var map = buildKeymap(pairs); - if (explode) map.Enter = buildExplodeHandler(explode); - cm.addKeyMap(map); }); - function charsAround(cm, pos) { - var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1), - CodeMirror.Pos(pos.line, pos.ch + 1)); - return str.length == 2 ? str : null; + function getOption(conf, name) { + if (name == "pairs" && typeof conf == "string") return conf; + if (typeof conf == "object" && conf[name] != null) return conf[name]; + return defaults[name]; } - function buildKeymap(pairs) { - var map = { - name : "autoCloseBrackets", - Backspace: function(cm) { - if (cm.somethingSelected()) return CodeMirror.Pass; - var cur = cm.getCursor(), around = charsAround(cm, cur); - if (around && pairs.indexOf(around) % 2 == 0) - cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1)); - else - return CodeMirror.Pass; + var bind = defaults.pairs + "`"; + var keyMap = {Backspace: handleBackspace, Enter: handleEnter}; + for (var i = 0; i < bind.length; i++) + keyMap["'" + bind.charAt(i) + "'"] = handler(bind.charAt(i)); + + function handler(ch) { + return function(cm) { return handleChar(cm, ch); }; + } + + function getConfig(cm) { + var deflt = cm.state.closeBrackets; + if (!deflt) return null; + var mode = cm.getModeAt(cm.getCursor()); + return mode.closeBrackets || deflt; + } + + function handleBackspace(cm) { + var conf = getConfig(cm); + if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; + + var pairs = getOption(conf, "pairs"); + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) return CodeMirror.Pass; + var around = charsAround(cm, ranges[i].head); + if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass; + } + for (var i = ranges.length - 1; i >= 0; i--) { + var cur = ranges[i].head; + cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete"); + } + } + + function handleEnter(cm) { + var conf = getConfig(cm); + var explode = conf && getOption(conf, "explode"); + if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass; + + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) return CodeMirror.Pass; + var around = charsAround(cm, ranges[i].head); + if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass; + } + cm.operation(function() { + cm.replaceSelection("\n\n", null); + cm.execCommand("goCharLeft"); + ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + var line = ranges[i].head.line; + cm.indentLine(line, null, true); + cm.indentLine(line + 1, null, true); } - }; - var closingBrackets = ""; - for (var i = 0; i < pairs.length; i += 2) (function(left, right) { - if (left != right) closingBrackets += right; - function surround(cm) { - var selection = cm.getSelection(); - cm.replaceSelection(left + selection + right); + }); + } + + function contractSelection(sel) { + var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0; + return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)), + head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))}; + } + + function handleChar(cm, ch) { + var conf = getConfig(cm); + if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; + + var pairs = getOption(conf, "pairs"); + var pos = pairs.indexOf(ch); + if (pos == -1) return CodeMirror.Pass; + var triples = getOption(conf, "triples"); + + var identical = pairs.charAt(pos + 1) == ch; + var ranges = cm.listSelections(); + var opening = pos % 2 == 0; + + var type; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i], cur = range.head, curType; + var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1)); + if (opening && !range.empty()) { + curType = "surround"; + } else if ((identical || !opening) && next == ch) { + if (identical && stringStartsAfter(cm, cur)) + curType = "both"; + else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch) + curType = "skipThree"; + else + curType = "skip"; + } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 && + cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch && + (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != ch)) { + curType = "addFour"; + } else if (identical) { + if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, ch)) curType = "both"; + else return CodeMirror.Pass; + } else if (opening && (cm.getLine(cur.line).length == cur.ch || + isClosingBracket(next, pairs) || + /\s/.test(next))) { + curType = "both"; + } else { + return CodeMirror.Pass; } - function maybeOverwrite(cm) { - var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1)); - if (ahead != right || cm.somethingSelected()) return CodeMirror.Pass; - else cm.execCommand("goCharRight"); + if (!type) type = curType; + else if (type != curType) return CodeMirror.Pass; + } + + var left = pos % 2 ? pairs.charAt(pos - 1) : ch; + var right = pos % 2 ? ch : pairs.charAt(pos + 1); + cm.operation(function() { + if (type == "skip") { + cm.execCommand("goCharRight"); + } else if (type == "skipThree") { + for (var i = 0; i < 3; i++) + cm.execCommand("goCharRight"); + } else if (type == "surround") { + var sels = cm.getSelections(); + for (var i = 0; i < sels.length; i++) + sels[i] = left + sels[i] + right; + cm.replaceSelections(sels, "around"); + sels = cm.listSelections().slice(); + for (var i = 0; i < sels.length; i++) + sels[i] = contractSelection(sels[i]); + cm.setSelections(sels); + } else if (type == "both") { + cm.replaceSelection(left + right, null); + cm.triggerElectric(left + right); + cm.execCommand("goCharLeft"); + } else if (type == "addFour") { + cm.replaceSelection(left + left + left + left, "before"); + cm.execCommand("goCharRight"); } - map["'" + left + "'"] = function(cm) { - if (left == "'" && cm.getTokenAt(cm.getCursor()).type == "comment") - return CodeMirror.Pass; - if (cm.somethingSelected()) return surround(cm); - if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return; - var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1); - var line = cm.getLine(cur.line), nextChar = line.charAt(cur.ch), curChar = cur.ch > 0 ? line.charAt(cur.ch - 1) : ""; - if (left == right && CodeMirror.isWordChar(curChar)) - return CodeMirror.Pass; - if (line.length == cur.ch || closingBrackets.indexOf(nextChar) >= 0 || SPACE_CHAR_REGEX.test(nextChar)) - cm.replaceSelection(left + right, {head: ahead, anchor: ahead}); - else - return CodeMirror.Pass; - }; - if (left != right) map["'" + right + "'"] = maybeOverwrite; - })(pairs.charAt(i), pairs.charAt(i + 1)); - return map; + }); } - function buildExplodeHandler(pairs) { - return function(cm) { - var cur = cm.getCursor(), around = charsAround(cm, cur); - if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass; - cm.operation(function() { - var newPos = CodeMirror.Pos(cur.line + 1, 0); - cm.replaceSelection("\n\n", {anchor: newPos, head: newPos}, "+input"); - cm.indentLine(cur.line + 1, null, true); - cm.indentLine(cur.line + 2, null, true); - }); - }; + function isClosingBracket(ch, pairs) { + var pos = pairs.lastIndexOf(ch); + return pos > -1 && pos % 2 == 1; + } + + function charsAround(cm, pos) { + var str = cm.getRange(Pos(pos.line, pos.ch - 1), + Pos(pos.line, pos.ch + 1)); + return str.length == 2 ? str : null; + } + + // Project the token type that will exists after the given char is + // typed, and use it to determine whether it would cause the start + // of a string token. + function enteringString(cm, pos, ch) { + var line = cm.getLine(pos.line); + var token = cm.getTokenAt(pos); + if (/\bstring2?\b/.test(token.type)) return false; + var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4); + stream.pos = stream.start = token.start; + for (;;) { + var type1 = cm.getMode().token(stream, token.state); + if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1); + stream.start = stream.pos; + } + } + + function stringStartsAfter(cm, pos) { + var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1)) + return /\bstring/.test(token.type) && token.start == pos.ch } -})(); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.css b/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.css index 23eaf74d4..2a6a26228 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.css +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.css @@ -4,10 +4,7 @@ /* Set height, width, borders, and global font properties here */ font-family: monospace; height: 300px; -} -.CodeMirror-scroll { - /* Set scrolling behaviour here */ - overflow: auto; + color: black; } /* PADDING */ @@ -36,40 +33,93 @@ min-width: 20px; text-align: right; color: #999; + white-space: nowrap; } +.CodeMirror-guttermarker { color: black; } +.CodeMirror-guttermarker-subtle { color: #999; } + /* CURSOR */ -.CodeMirror div.CodeMirror-cursor { +.CodeMirror-cursor { border-left: 1px solid black; - z-index: 3; + border-right: none; + width: 0; } /* Shown when moving in bi-directional text */ .CodeMirror div.CodeMirror-secondarycursor { border-left: 1px solid silver; } -.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor { +.cm-fat-cursor .CodeMirror-cursor { width: auto; - border: 0; + border: 0 !important; background: #7e7; +} +.cm-fat-cursor div.CodeMirror-cursors { z-index: 1; } + +.cm-animate-fat-cursor { + width: auto; + border: 0; + -webkit-animation: blink 1.06s steps(1) infinite; + -moz-animation: blink 1.06s steps(1) infinite; + animation: blink 1.06s steps(1) infinite; + background-color: #7e7; +} +@-moz-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@-webkit-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} + /* Can style cursor different in overwrite (non-insert) mode */ -.CodeMirror div.CodeMirror-cursor.CodeMirror-overwrite {} +.CodeMirror-overwrite .CodeMirror-cursor {} -.cm-tab { display: inline-block; } +.cm-tab { display: inline-block; text-decoration: inherit; } + +.CodeMirror-rulers { + position: absolute; + left: 0; right: 0; top: -50px; bottom: -20px; + overflow: hidden; +} +.CodeMirror-ruler { + border-left: 1px solid #ccc; + top: 0; bottom: 0; + position: absolute; +} /* DEFAULT THEME */ +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + .cm-s-default .cm-keyword {color: #708;} .cm-s-default .cm-atom {color: #219;} .cm-s-default .cm-number {color: #164;} .cm-s-default .cm-def {color: #00f;} -.cm-s-default .cm-variable {color: black;} +.cm-s-default .cm-variable, +.cm-s-default .cm-punctuation, +.cm-s-default .cm-property, +.cm-s-default .cm-operator {} .cm-s-default .cm-variable-2 {color: #05a;} .cm-s-default .cm-variable-3 {color: #085;} -.cm-s-default .cm-property {color: black;} -.cm-s-default .cm-operator {color: black;} .cm-s-default .cm-comment {color: #a50;} .cm-s-default .cm-string {color: #a11;} .cm-s-default .cm-string-2 {color: #f50;} @@ -79,22 +129,19 @@ .cm-s-default .cm-bracket {color: #997;} .cm-s-default .cm-tag {color: #170;} .cm-s-default .cm-attribute {color: #00c;} -.cm-s-default .cm-header {color: blue;} -.cm-s-default .cm-quote {color: #090;} .cm-s-default .cm-hr {color: #999;} .cm-s-default .cm-link {color: #00c;} -.cm-negative {color: #d44;} -.cm-positive {color: #292;} -.cm-header, .cm-strong {font-weight: bold;} -.cm-em {font-style: italic;} -.cm-link {text-decoration: underline;} - .cm-s-default .cm-error {color: #f00;} .cm-invalidchar {color: #f00;} +.CodeMirror-composing { border-bottom: 2px solid; } + +/* Default styles for common addons */ + div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} +.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } .CodeMirror-activeline-background {background: #e8f2ff;} /* STOP */ @@ -103,30 +150,28 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} the editor. You probably shouldn't touch them. */ .CodeMirror { - line-height: 1; position: relative; overflow: hidden; background: white; - color: black; } .CodeMirror-scroll { + overflow: scroll !important; /* Things will break if this is overridden */ /* 30px is the magic margin used to hide the element's real scrollbars */ /* See overflow: hidden in .CodeMirror */ margin-bottom: -30px; margin-right: -30px; - padding-bottom: 30px; padding-right: 30px; + padding-bottom: 30px; height: 100%; outline: none; /* Prevent dragging from highlighting the element */ position: relative; - -moz-box-sizing: content-box; - box-sizing: content-box; } .CodeMirror-sizer { position: relative; + border-right: 30px solid transparent; } /* The fake, visible scrollbars. Used to force redraw during scrolling - before actuall scrolling happens, thus preventing shaking and + before actual scrolling happens, thus preventing shaking and flickering artifacts. */ .CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { position: absolute; @@ -152,29 +197,41 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} .CodeMirror-gutters { position: absolute; left: 0; top: 0; - padding-bottom: 30px; + min-height: 100%; z-index: 3; } .CodeMirror-gutter { white-space: normal; height: 100%; - -moz-box-sizing: content-box; - box-sizing: content-box; - padding-bottom: 30px; - margin-bottom: -32px; display: inline-block; - /* Hack to make IE7 behave */ - *zoom:1; - *display:inline; + vertical-align: top; + margin-bottom: -30px; +} +.CodeMirror-gutter-wrapper { + position: absolute; + z-index: 4; + background: none !important; + border: none !important; +} +.CodeMirror-gutter-background { + position: absolute; + top: 0; bottom: 0; + z-index: 4; } .CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; } +.CodeMirror-gutter-wrapper { + -webkit-user-select: none; + -moz-user-select: none; + user-select: none; +} .CodeMirror-lines { cursor: text; + min-height: 1px; /* prevents collapsing before first draw */ } .CodeMirror pre { /* Reset some styles that the rest of the page might have set */ @@ -191,22 +248,16 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} z-index: 2; position: relative; overflow: visible; + -webkit-tap-highlight-color: transparent; + -webkit-font-variant-ligatures: contextual; + font-variant-ligatures: contextual; } .CodeMirror-wrap pre { word-wrap: break-word; white-space: pre-wrap; word-break: normal; } -.CodeMirror-code pre { - border-right: 30px solid transparent; - width: -webkit-fit-content; - width: -moz-fit-content; - width: fit-content; -} -.CodeMirror-wrap .CodeMirror-code pre { - border-right: none; - width: auto; -} + .CodeMirror-linebackground { position: absolute; left: 0; right: 0; top: 0; bottom: 0; @@ -221,8 +272,18 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} .CodeMirror-widget {} -.CodeMirror-wrap .CodeMirror-scroll { - overflow-x: hidden; +.CodeMirror-code { + outline: none; +} + +/* Force content-box sizing for the elements where we expect it */ +.CodeMirror-scroll, +.CodeMirror-sizer, +.CodeMirror-gutter, +.CodeMirror-gutters, +.CodeMirror-linenumber { + -moz-box-sizing: content-box; + box-sizing: content-box; } .CodeMirror-measure { @@ -232,32 +293,49 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} overflow: hidden; visibility: hidden; } -.CodeMirror-measure pre { position: static; } -.CodeMirror div.CodeMirror-cursor { +.CodeMirror-cursor { position: absolute; + pointer-events: none; +} +.CodeMirror-measure pre { position: static; } + +div.CodeMirror-cursors { visibility: hidden; - border-right: none; - width: 0; + position: relative; + z-index: 3; } -.CodeMirror-focused div.CodeMirror-cursor { +div.CodeMirror-dragcursors { + visibility: visible; +} + +.CodeMirror-focused div.CodeMirror-cursors { visibility: visible; } .CodeMirror-selected { background: #d9d9d9; } .CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } +.CodeMirror-crosshair { cursor: crosshair; } +.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } +.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } .cm-searching { background: #ffa; background: rgba(255, 255, 0, .4); } -/* IE7 hack to prevent it from returning funny offsetTops on the spans */ -.CodeMirror span { *vertical-align: text-bottom; } +/* Used to force a border model for a node */ +.cm-force-border { padding-right: .1px; } @media print { /* Hide the cursor when printing */ - .CodeMirror div.CodeMirror-cursor { + .CodeMirror div.CodeMirror-cursors { visibility: hidden; } } + +/* See issue #2901 */ +.cm-tab-wrap-hack:after { content: ''; } + +/* Help users use markselection to safely style text background */ +span.CodeMirror-selectedtext { background: none; } diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.js index 46373bfb7..84c881146 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/codemirror.js @@ -1,5944 +1,9111 @@ -// CodeMirror is the only global var we claim -window.CodeMirror = (function() { - "use strict"; - - // BROWSER SNIFFING - - // Crude, but necessary to handle a number of hard-to-feature-detect - // bugs and behavior differences. - var gecko = /gecko\/\d/i.test(navigator.userAgent); - // IE11 currently doesn't count as 'ie', since it has almost none of - // the same bugs as earlier versions. Use ie_gt10 to handle - // incompatibilities in that version. - var ie = /MSIE \d/.test(navigator.userAgent); - var ie_lt8 = ie && (document.documentMode == null || document.documentMode < 8); - var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9); - var ie_gt10 = /Trident\/([7-9]|\d{2,})\./.test(navigator.userAgent); - var webkit = /WebKit\//.test(navigator.userAgent); - var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent); - var chrome = /Chrome\//.test(navigator.userAgent); - var opera = /Opera\//.test(navigator.userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var khtml = /KHTML\//.test(navigator.userAgent); - var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent); - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); - var phantom = /PhantomJS/.test(navigator.userAgent); - - var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); - // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); - var mac = ios || /Mac/.test(navigator.platform); - var windows = /win/i.test(navigator.platform); - - var opera_version = opera && navigator.userAgent.match(/Version\/(\d*\.\d*)/); - if (opera_version) opera_version = Number(opera_version[1]); - if (opera_version && opera_version >= 15) { opera = false; webkit = true; } - // Some browsers use the wrong event properties to signal cmd/ctrl on OS X - var flipCtrlCmd = mac && (qtwebkit || opera && (opera_version == null || opera_version < 12.11)); - var captureMiddleClick = gecko || (ie && !ie_lt9); - - // Optimize some code when these features are not used - var sawReadOnlySpans = false, sawCollapsedSpans = false; - - // CONSTRUCTOR - - function CodeMirror(place, options) { - if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); - - this.options = options = options || {}; - // Determine effective options based on given values and defaults. - for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt)) - options[opt] = defaults[opt]; - setGuttersForLineNumbers(options); - - var docStart = typeof options.value == "string" ? 0 : options.value.first; - var display = this.display = makeDisplay(place, docStart); - display.wrapper.CodeMirror = this; - updateGutters(this); - if (options.autofocus && !mobile) focusInput(this); - - this.state = {keyMaps: [], - overlays: [], - modeGen: 0, - overwrite: false, focused: false, - suppressEdits: false, pasteIncoming: false, - draggingText: false, - highlight: new Delayed()}; - - themeChanged(this); - if (options.lineWrapping) - this.display.wrapper.className += " CodeMirror-wrap"; - - var doc = options.value; - if (typeof doc == "string") doc = new Doc(options.value, options.mode); - operation(this, attachDoc)(this, doc); - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie) setTimeout(bind(resetInput, this, true), 20); - - registerEventHandlers(this); - // IE throws unspecified error in certain cases, when - // trying to access activeElement before onload - var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { } - if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20); - else onBlur(this); - - operation(this, function() { - for (var opt in optionHandlers) - if (optionHandlers.propertyIsEnumerable(opt)) - optionHandlers[opt](this, options[opt], Init); - for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); - })(); - } - - // DISPLAY CONSTRUCTOR - - function makeDisplay(place, docStart) { - var d = {}; - - var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none; font-size: 4px;"); - if (webkit) input.style.width = "1000px"; - else input.setAttribute("wrap", "off"); - // if border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) input.style.border = "1px solid black"; - input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); input.setAttribute("spellcheck", "false"); - - // Wraps and hides input textarea - d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The actual fake scrollbars. - d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar"); - d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar"); - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); - // DIVs containing the selection and the actual code - d.lineDiv = elt("div", null, "CodeMirror-code"); - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); - // Blinky cursor, and element used to ensure cursor fits at the end of a line - d.cursor = elt("div", "\u00a0", "CodeMirror-cursor"); - // Secondary cursor, shown when on a 'jump' in bi-directional text - d.otherCursor = elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"); - // Used to measure text size - d.measure = elt("div", null, "CodeMirror-measure"); - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor], - null, "position: relative; outline: none"); - // Moved around its parent to cover visible view - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); - // Set to the height of the text, causes scrolling - d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); - // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerCutOff + "px; width: 1px;"); - // Will contain the gutters, if any - d.gutters = elt("div", null, "CodeMirror-gutters"); - d.lineGutter = null; - // Provides scrolling - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); - d.scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV, - d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); - // Work around IE7 z-index bug - if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper); - - // Needed to hide big blue blinking cursor on Mobile Safari - if (ios) input.style.width = "0px"; - if (!webkit) d.scroller.draggable = true; - // Needed to handle Tab key in KHTML - if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; } - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px"; - - // Current visible range (may be bigger than the view window). - d.viewOffset = d.lastSizeC = 0; - d.showingFrom = d.showingTo = docStart; - - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // See readInput and resetInput - d.prevInput = ""; - // Set to true when a non-horizontal-scrolling widget is added. As - // an optimization, widget aligning is skipped when d is false. - d.alignWidgets = false; - // Flag that indicates whether we currently expect input to appear - // (after some event like 'keypress' or 'input') and are polling - // intensively. - d.pollingFast = false; - // Self-resetting timeout for the poller - d.poll = new Delayed(); - - d.cachedCharWidth = d.cachedTextHeight = null; - d.measureLineCache = []; - d.measureLineCachePos = 0; - - // Tracks when resetInput has punted to just putting a short - // string instead of the (large) selection. - d.inaccurateSelection = false; - - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null; - d.maxLineLength = 0; - d.maxLineChanged = false; - - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; - - return d; - } - - // STATE UPDATES - - // Used to get the editor into a consistent state again when options change. - - function loadMode(cm) { - cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); - cm.doc.iter(function(line) { - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - }); - cm.doc.frontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) regChange(cm); - } - - function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - cm.display.wrapper.className += " CodeMirror-wrap"; - cm.display.sizer.style.minWidth = ""; - } else { - cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", ""); - computeMaxLength(cm); - } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function(){updateScrollbars(cm);}, 100); - } - - function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function(line) { - if (lineIsHidden(cm.doc, line)) - return 0; - else if (wrapping) - return (Math.ceil(line.text.length / perLine) || 1) * th; - else - return th; - }; - } - - function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function(line) { - var estHeight = est(line); - if (estHeight != line.height) updateLineHeight(line, estHeight); - }); - } - - function keyMapChanged(cm) { - var map = keyMap[cm.options.keyMap], style = map.style; - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + - (style ? " cm-keymap-" + style : ""); - cm.state.disableInput = map.disableInput; - } - - function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); - } - - function guttersChanged(cm) { - updateGutters(cm); - regChange(cm); - setTimeout(function(){alignHorizontally(cm);}, 20); - } - - function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; - removeChildren(gutters); - for (var i = 0; i < specs.length; ++i) { - var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt; - gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; - } - } - gutters.style.display = i ? "" : "none"; - } - - function lineLength(doc, line) { - if (line.height == 0) return 0; - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(); - cur = getLine(doc, found.from.line); - len += found.from.ch - found.to.ch; - } - cur = line; - while (merged = collapsedSpanAtEnd(cur)) { - var found = merged.find(); - len -= cur.text.length - found.from.ch; - cur = getLine(doc, found.to.line); - len += cur.text.length - found.to.ch; - } - return len; - } - - function computeMaxLength(cm) { - var d = cm.display, doc = cm.doc; - d.maxLine = getLine(doc, doc.first); - d.maxLineLength = lineLength(doc, d.maxLine); - d.maxLineChanged = true; - doc.iter(function(line) { - var len = lineLength(doc, line); - if (len > d.maxLineLength) { - d.maxLineLength = len; - d.maxLine = line; +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +// This is CodeMirror (http://codemirror.net), a code editor +// implemented in JavaScript on top of the browser's DOM. +// +// You can find some technical background for some of the code below +// at http://marijnhaverbeke.nl/blog/#cm-internals . + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.CodeMirror = factory()); +}(this, (function () { 'use strict'; + +// Kludges for bugs and behavior differences that can't be feature +// detected are enabled based on userAgent etc sniffing. +var userAgent = navigator.userAgent +var platform = navigator.platform + +var gecko = /gecko\/\d/i.test(userAgent) +var ie_upto10 = /MSIE \d/.test(userAgent) +var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent) +var ie = ie_upto10 || ie_11up +var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]) +var webkit = /WebKit\//.test(userAgent) +var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent) +var chrome = /Chrome\//.test(userAgent) +var presto = /Opera\//.test(userAgent) +var safari = /Apple Computer/.test(navigator.vendor) +var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent) +var phantom = /PhantomJS/.test(userAgent) + +var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent) +// This is woefully incomplete. Suggestions for alternative methods welcome. +var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent) +var mac = ios || /Mac/.test(platform) +var chromeOS = /\bCrOS\b/.test(userAgent) +var windows = /win/i.test(platform) + +var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/) +if (presto_version) { presto_version = Number(presto_version[1]) } +if (presto_version && presto_version >= 15) { presto = false; webkit = true } +// Some browsers use the wrong event properties to signal cmd/ctrl on OS X +var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)) +var captureRightClick = gecko || (ie && ie_version >= 9) + +function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } + +var rmClass = function(node, cls) { + var current = node.className + var match = classTest(cls).exec(current) + if (match) { + var after = current.slice(match.index + match[0].length) + node.className = current.slice(0, match.index) + (after ? match[1] + after : "") + } +} + +function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + { e.removeChild(e.firstChild) } + return e +} + +function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e) +} + +function elt(tag, content, className, style) { + var e = document.createElement(tag) + if (className) { e.className = className } + if (style) { e.style.cssText = style } + if (typeof content == "string") { e.appendChild(document.createTextNode(content)) } + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]) } } + return e +} + +var range +if (document.createRange) { range = function(node, start, end, endNode) { + var r = document.createRange() + r.setEnd(endNode || node, end) + r.setStart(node, start) + return r +} } +else { range = function(node, start, end) { + var r = document.body.createTextRange() + try { r.moveToElementText(node.parentNode) } + catch(e) { return r } + r.collapse(true) + r.moveEnd("character", end) + r.moveStart("character", start) + return r +} } + +function contains(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + { child = child.parentNode } + if (parent.contains) + { return parent.contains(child) } + do { + if (child.nodeType == 11) { child = child.host } + if (child == parent) { return true } + } while (child = child.parentNode) +} + +function activeElt() { + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. + // IE < 10 will throw when accessed while the page is loading or in an iframe. + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. + var activeElement + try { + activeElement = document.activeElement + } catch(e) { + activeElement = document.body || null + } + while (activeElement && activeElement.root && activeElement.root.activeElement) + { activeElement = activeElement.root.activeElement } + return activeElement +} + +function addClass(node, cls) { + var current = node.className + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls } +} +function joinClasses(a, b) { + var as = a.split(" ") + for (var i = 0; i < as.length; i++) + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i] } } + return b +} + +var selectInput = function(node) { node.select() } +if (ios) // Mobile Safari apparently has a bug where select() is broken. + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length } } +else if (ie) // Suppress mysterious IE10 errors + { selectInput = function(node) { try { node.select() } catch(_e) {} } } + +function bind(f) { + var args = Array.prototype.slice.call(arguments, 1) + return function(){return f.apply(null, args)} +} + +function copyObj(obj, target, overwrite) { + if (!target) { target = {} } + for (var prop in obj) + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + { target[prop] = obj[prop] } } + return target +} + +// Counts the column offset in a string, taking tabs into account. +// Used mostly to find indentation. +function countColumn(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/) + if (end == -1) { end = string.length } + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i) + if (nextTab < 0 || nextTab >= end) + { return n + (end - i) } + n += nextTab - i + n += tabSize - (n % tabSize) + i = nextTab + 1 + } +} + +function Delayed() {this.id = null} +Delayed.prototype.set = function(ms, f) { + clearTimeout(this.id) + this.id = setTimeout(f, ms) +} + +function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + { if (array[i] == elt) { return i } } + return -1 +} + +// Number of pixels added to scroller and sizer to hide scrollbar +var scrollerGap = 30 + +// Returned or thrown by various protocols to signal 'I'm not +// handling this'. +var Pass = {toString: function(){return "CodeMirror.Pass"}} + +// Reused option objects for setSelection & friends +var sel_dontScroll = {scroll: false}; +var sel_mouse = {origin: "*mouse"}; +var sel_move = {origin: "+move"}; +// The inverse of countColumn -- find the offset that corresponds to +// a particular column. +function findColumn(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos) + if (nextTab == -1) { nextTab = string.length } + var skipped = nextTab - pos + if (nextTab == string.length || col + skipped >= goal) + { return pos + Math.min(skipped, goal - col) } + col += nextTab - pos + col += tabSize - (col % tabSize) + pos = nextTab + 1 + if (col >= goal) { return pos } + } +} + +var spaceStrs = [""] +function spaceStr(n) { + while (spaceStrs.length <= n) + { spaceStrs.push(lst(spaceStrs) + " ") } + return spaceStrs[n] +} + +function lst(arr) { return arr[arr.length-1] } + +function map(array, f) { + var out = [] + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i) } + return out +} + +function insertSorted(array, value, score) { + var pos = 0, priority = score(value) + while (pos < array.length && score(array[pos]) <= priority) { pos++ } + array.splice(pos, 0, value) +} + +function nothing() {} + +function createObj(base, props) { + var inst + if (Object.create) { + inst = Object.create(base) + } else { + nothing.prototype = base + inst = new nothing() + } + if (props) { copyObj(props, inst) } + return inst +} + +var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; +function isWordCharBasic(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) +} +function isWordChar(ch, helper) { + if (!helper) { return isWordCharBasic(ch) } + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } + return helper.test(ch) +} + +function isEmpty(obj) { + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } + return true +} + +// Extending unicode characters. A series of a non-extending char + +// any number of extending chars is treated as a single unit as far +// as editing and measuring is concerned. This is not fully correct, +// since some scripts/fonts/browsers also treat other configurations +// of code points as a group. +var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; +function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } + +// The display handles the DOM integration, both for input reading +// and content drawing. It holds references to DOM nodes and +// display-related state. + +function Display(place, doc, input) { + var d = this + this.input = input + + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler") + d.scrollbarFiller.setAttribute("cm-not-content", "true") + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler") + d.gutterFiller.setAttribute("cm-not-content", "true") + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = elt("div", null, "CodeMirror-code") + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1") + d.cursorDiv = elt("div", null, "CodeMirror-cursors") + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure") + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure") + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none") + // Moved around its parent to cover visible view. + d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative") + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer") + d.sizerWidth = null + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;") + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters") + d.lineGutter = null + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll") + d.scroller.setAttribute("tabIndex", "-1") + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror") + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0 } + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true } + + if (place) { + if (place.appendChild) { place.appendChild(d.wrapper) } + else { place(d.wrapper) } + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first + d.reportedViewFrom = d.reportedViewTo = doc.first + // Information about the rendered lines. + d.view = [] + d.renderedView = null + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null + // Empty space (in pixels) above the view + d.viewOffset = 0 + d.lastWrapHeight = d.lastWrapWidth = 0 + d.updateLineNumbers = null + + d.nativeBarWidth = d.barHeight = d.barWidth = 0 + d.scrollbarsClipped = false + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null + d.maxLineLength = 0 + d.maxLineChanged = false + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null + + // True when shift is held down. + d.shift = false + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null + + d.activeTouch = null + + input.init(d) +} + +// Find the line object corresponding to the given line number. +function getLine(doc, n) { + n -= doc.first + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } + var chunk = doc + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize() + if (n < sz) { chunk = child; break } + n -= sz + } + } + return chunk.lines[n] +} + +// Get the part of a document between two positions, as an array of +// strings. +function getBetween(doc, start, end) { + var out = [], n = start.line + doc.iter(start.line, end.line + 1, function (line) { + var text = line.text + if (n == end.line) { text = text.slice(0, end.ch) } + if (n == start.line) { text = text.slice(start.ch) } + out.push(text) + ++n + }) + return out +} +// Get the lines between from and to, as array of strings. +function getLines(doc, from, to) { + var out = [] + doc.iter(from, to, function (line) { out.push(line.text) }) // iter aborts when callback returns truthy value + return out +} + +// Update the height of a line, propagating the height change +// upwards to parent nodes. +function updateLineHeight(line, height) { + var diff = height - line.height + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff } } +} + +// Given a line object, find its line number by walking up through +// its parent links. +function lineNo(line) { + if (line.parent == null) { return null } + var cur = line.parent, no = indexOf(cur.lines, line) + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) { break } + no += chunk.children[i].chunkSize() + } + } + return no + cur.first +} + +// Find the line at the given vertical position, using the height +// information in the document tree. +function lineAtHeight(chunk, h) { + var n = chunk.first + outer: do { + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { + var child = chunk.children[i$1], ch = child.height + if (h < ch) { chunk = child; continue outer } + h -= ch + n += child.chunkSize() + } + return n + } while (!chunk.lines) + var i = 0 + for (; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height + if (h < lh) { break } + h -= lh + } + return n + i +} + +function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} + +function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)) +} + +// A Pos instance represents a position within the text. +function Pos (line, ch) { + if (!(this instanceof Pos)) { return new Pos(line, ch) } + this.line = line; this.ch = ch +} + +// Compare two positions, return 0 if they are the same, a negative +// number when a is less, and a positive number otherwise. +function cmp(a, b) { return a.line - b.line || a.ch - b.ch } + +function copyPos(x) {return Pos(x.line, x.ch)} +function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } +function minPos(a, b) { return cmp(a, b) < 0 ? a : b } + +// Most of the external API clips given positions to make sure they +// actually exist within the document. +function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} +function clipPos(doc, pos) { + if (pos.line < doc.first) { return Pos(doc.first, 0) } + var last = doc.first + doc.size - 1 + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } + return clipToLen(pos, getLine(doc, pos.line).text.length) +} +function clipToLen(pos, linelen) { + var ch = pos.ch + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } + else if (ch < 0) { return Pos(pos.line, 0) } + else { return pos } +} +function clipPosArray(doc, array) { + var out = [] + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]) } + return out +} + +// Optimize some code when these features are not used. +var sawReadOnlySpans = false; +var sawCollapsedSpans = false; +function seeReadOnlySpans() { + sawReadOnlySpans = true +} + +function seeCollapsedSpans() { + sawCollapsedSpans = true +} + +// TEXTMARKER SPANS + +function MarkedSpan(marker, from, to) { + this.marker = marker + this.from = from; this.to = to +} + +// Search an array of spans for a span matching the given marker. +function getMarkedSpanFor(spans, marker) { + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i] + if (span.marker == marker) { return span } + } } +} +// Remove a span from an array, returning undefined if no spans are +// left (we don't store arrays for lines without spans). +function removeMarkedSpan(spans, span) { + var r + for (var i = 0; i < spans.length; ++i) + { if (spans[i] != span) { (r || (r = [])).push(spans[i]) } } + return r +} +// Add a span to a line. +function addMarkedSpan(line, span) { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span] + span.marker.attachLine(line) +} + +// Used for the algorithm that adjusts markers for a change in the +// document. These functions cut an array of spans at a given +// character position, returning an array of remaining chunks (or +// undefined if nothing remains). +function markedSpansBefore(old, startCh, isInsert) { + var nw + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh) + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)) + } + } } + return nw +} +function markedSpansAfter(old, endCh, isInsert) { + var nw + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh) + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)) + } + } } + return nw +} + +// Given a change object, compute the new set of marker spans that +// cover the line in which the change took place. Removes spans +// entirely within the change, reconnects spans belonging to the +// same marker that appear on both sides of the change, and cuts off +// spans partially within the change. Returns an array of span +// arrays with one element for each line in (after) the change. +function stretchSpansOverChange(doc, change) { + if (change.full) { return null } + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans + if (!oldFirst && !oldLast) { return null } + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0 + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert) + var last = markedSpansAfter(oldLast, endCh, isInsert) + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0) + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i] + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker) + if (!found) { span.to = startCh } + else if (sameLine) { span.to = found.to == null ? null : found.to + offset } } - }); - } - - // Make sure the gutters options contains the element - // "CodeMirror-linenumbers" when the lineNumbers option is true. - function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers"); - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0); - options.gutters.splice(found, 1); - } - } - - // SCROLLBARS - - // Re-synchronize the fake scrollbars with the actual size of the - // content. Optionally force a scrollTop. - function updateScrollbars(cm) { - var d = cm.display, docHeight = cm.doc.height; - var totalHeight = docHeight + paddingVert(d); - d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px"; - d.gutters.style.height = Math.max(totalHeight, d.scroller.clientHeight - scrollerCutOff) + "px"; - var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight); - var needsH = d.scroller.scrollWidth > (d.scroller.clientWidth + 1); - var needsV = scrollHeight > (d.scroller.clientHeight + 1); - if (needsV) { - d.scrollbarV.style.display = "block"; - d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0"; - d.scrollbarV.firstChild.style.height = - (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px"; - } else { - d.scrollbarV.style.display = ""; - d.scrollbarV.firstChild.style.height = "0"; - } - if (needsH) { - d.scrollbarH.style.display = "block"; - d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0"; - d.scrollbarH.firstChild.style.width = - (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px"; - } else { - d.scrollbarH.style.display = ""; - d.scrollbarH.firstChild.style.width = "0"; - } - if (needsH && needsV) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px"; - } else d.scrollbarFiller.style.display = ""; - if (needsH && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = scrollbarWidth(d.measure) + "px"; - d.gutterFiller.style.width = d.gutters.offsetWidth + "px"; - } else d.gutterFiller.style.display = ""; - - if (mac_geLion && scrollbarWidth(d.measure) === 0) { - d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px"; - d.scrollbarV.style.pointerEvents = d.scrollbarH.style.pointerEvents = "none"; - } - } - - function visibleLines(display, doc, viewPort) { - var top = display.scroller.scrollTop, height = display.wrapper.clientHeight; - if (typeof viewPort == "number") top = viewPort; - else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;} - top = Math.floor(top - paddingTop(display)); - var bottom = Math.ceil(top + height); - return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)}; - } - - // LINE NUMBERS - - function alignHorizontally(cm) { - var display = cm.display; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, l = comp + "px"; - for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) { - for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l; - } - if (cm.options.fixedGutter) - display.gutters.style.left = (comp + gutterW) + "px"; - } - - function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) return false; - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding); - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - return true; } - return false; - } - - function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)); } - function compensateForHScroll(display) { - return getRect(display.scroller).left - getRect(display.sizer).left; - } - - // DISPLAY DRAWING - - function updateDisplay(cm, changes, viewPort, forced) { - var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo, updated; - var visible = visibleLines(cm.display, cm.doc, viewPort); - for (var first = true;; first = false) { - var oldWidth = cm.display.scroller.clientWidth; - if (!updateDisplayInner(cm, changes, visible, forced)) break; - updated = true; - changes = []; - updateSelection(cm); - updateScrollbars(cm); - if (first && cm.options.lineWrapping && oldWidth != cm.display.scroller.clientWidth) { - forced = true; - continue; - } - forced = false; - - // Clip forced viewport to actual scrollable area - if (viewPort) - viewPort = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, - typeof viewPort == "number" ? viewPort : viewPort.top); - visible = visibleLines(cm.display, cm.doc, viewPort); - if (visible.from >= cm.display.showingFrom && visible.to <= cm.display.showingTo) - break; - } - - if (updated) { - signalLater(cm, "update", cm); - if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo) - signalLater(cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo); - } - return updated; - } - - // Uses a set of changes plus the current scroll position to - // determine which DOM updates have to be made, and makes the - // updates. - function updateDisplayInner(cm, changes, visible, forced) { - var display = cm.display, doc = cm.doc; - if (!display.wrapper.clientWidth) { - display.showingFrom = display.showingTo = doc.first; - display.viewOffset = 0; - return; - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!forced && changes.length == 0 && - visible.from > display.showingFrom && visible.to < display.showingTo) - return; - - if (maybeUpdateLineNumberWidth(cm)) - changes = [{from: doc.first, to: doc.first + doc.size}]; - var gutterW = display.sizer.style.marginLeft = display.gutters.offsetWidth + "px"; - display.scrollbarH.style.left = cm.options.fixedGutter ? gutterW : "0"; - - // Used to determine which lines need their line numbers updated - var positionsChangedFrom = Infinity; - if (cm.options.lineNumbers) - for (var i = 0; i < changes.length; ++i) - if (changes[i].diff && changes[i].from < positionsChangedFrom) { positionsChangedFrom = changes[i].from; } - - var end = doc.first + doc.size; - var from = Math.max(visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, visible.to + cm.options.viewportMargin); - if (display.showingFrom < from && from - display.showingFrom < 20) from = Math.max(doc.first, display.showingFrom); - if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(end, display.showingTo); - if (sawCollapsedSpans) { - from = lineNo(visualLine(doc, getLine(doc, from))); - while (to < end && lineIsHidden(doc, getLine(doc, to))) ++to; - } - - // Create a range of theoretically intact lines, and punch holes - // in that using the change info. - var intact = [{from: Math.max(display.showingFrom, doc.first), - to: Math.min(display.showingTo, end)}]; - if (intact[0].from >= intact[0].to) intact = []; - else intact = computeIntact(intact, changes); - // When merged lines are present, we might have to reduce the - // intact ranges because changes in continued fragments of the - // intact lines do require the lines to be redrawn. - if (sawCollapsedSpans) - for (var i = 0; i < intact.length; ++i) { - var range = intact[i], merged; - while (merged = collapsedSpanAtEnd(getLine(doc, range.to - 1))) { - var newTo = merged.find().from.line; - if (newTo > range.from) range.to = newTo; - else { intact.splice(i--, 1); break; } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i$1 = 0; i$1 < last.length; ++i$1) { + var span$1 = last[i$1] + if (span$1.to != null) { span$1.to += offset } + if (span$1.from == null) { + var found$1 = getMarkedSpanFor(first, span$1.marker) + if (!found$1) { + span$1.from = offset + if (sameLine) { (first || (first = [])).push(span$1) } } + } else { + span$1.from += offset + if (sameLine) { (first || (first = [])).push(span$1) } } - - // Clip off the parts that won't be visible - var intactLines = 0; - for (var i = 0; i < intact.length; ++i) { - var range = intact[i]; - if (range.from < from) range.from = from; - if (range.to > to) range.to = to; - if (range.from >= range.to) intact.splice(i--, 1); - else intactLines += range.to - range.from; - } - if (!forced && intactLines == to - from && from == display.showingFrom && to == display.showingTo) { - updateViewOffset(cm); - return; } - intact.sort(function(a, b) {return a.from - b.from;}); - - // Avoid crashing on IE's "unspecified error" when in iframes - try { - var focused = document.activeElement; - } catch(e) {} - if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none"; - patchDisplay(cm, from, to, intact, positionsChangedFrom); - display.lineDiv.style.display = ""; - if (focused && document.activeElement != focused && focused.offsetHeight) focused.focus(); - - var different = from != display.showingFrom || to != display.showingTo || - display.lastSizeC != display.wrapper.clientHeight; - // This is just a bogus formula that detects when the editor is - // resized or the font size changes. - if (different) { - display.lastSizeC = display.wrapper.clientHeight; - startWorker(cm, 400); - } - display.showingFrom = from; display.showingTo = to; - - updateHeightsInViewport(cm); - updateViewOffset(cm); - - return true; - } - - function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) { - if (ie_lt8) { - var bot = node.offsetTop + node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; + } + // Make sure we didn't create any zero-length spans + if (first) { first = clearEmptySpans(first) } + if (last && last != first) { last = clearEmptySpans(last) } + + var newMarkers = [first] + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers + if (gap > 0 && first) + { for (var i$2 = 0; i$2 < first.length; ++i$2) + { if (first[i$2].to == null) + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)) } } } + for (var i$3 = 0; i$3 < gap; ++i$3) + { newMarkers.push(gapMarkers) } + newMarkers.push(last) + } + return newMarkers +} + +// Remove spans that are empty and don't have a clearWhenEmpty +// option of false. +function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i] + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + { spans.splice(i--, 1) } + } + if (!spans.length) { return null } + return spans +} + +// Used to 'clip' out readOnly ranges when making a change. +function removeReadOnlyRanges(doc, from, to) { + var markers = null + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + { (markers || (markers = [])).push(mark) } + } } + }) + if (!markers) { return null } + var parts = [{from: from, to: to}] + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0) + for (var j = 0; j < parts.length; ++j) { + var p = parts[j] + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to) + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + { newParts.push({from: p.from, to: m.from}) } + if (dto > 0 || !mk.inclusiveRight && !dto) + { newParts.push({from: m.to, to: p.to}) } + parts.splice.apply(parts, newParts) + j += newParts.length - 1 + } + } + return parts +} + +// Connect or disconnect spans from a line. +function detachMarkedSpans(line) { + var spans = line.markedSpans + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.detachLine(line) } + line.markedSpans = null +} +function attachMarkedSpans(line, spans) { + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.attachLine(line) } + line.markedSpans = spans +} + +// Helpers used when computing which overlapping collapsed span +// counts as the larger one. +function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } +function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } + +// Returns a number indicating which of two overlapping collapsed +// spans is larger (and thus includes the other). Falls back to +// comparing ids when the spans cover exactly the same range. +function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length + if (lenDiff != 0) { return lenDiff } + var aPos = a.find(), bPos = b.find() + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b) + if (fromCmp) { return -fromCmp } + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b) + if (toCmp) { return toCmp } + return b.id - a.id +} + +// Find out whether a line ends or starts in a collapsed span. If +// so, return the marker for that span. +function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i] + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + { found = sp.marker } + } } + return found +} +function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } +function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } + +// Test whether there exists a collapsed span that partially +// overlaps (covers the start or end, but not both) of a new span. +// Such overlap is not allowed. +function conflictingCollapsedRange(doc, lineNo, from, to, marker) { + var line = getLine(doc, lineNo) + var sps = sawCollapsedSpans && line.markedSpans + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i] + if (!sp.marker.collapsed) { continue } + var found = sp.marker.find(0) + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker) + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker) + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + { return true } + } } +} + +// A visual line is a line as drawn on the screen. Folding, for +// example, can cause multiple logical lines to appear on the same +// visual line. This finds the start of the visual line that the +// given line is part of (usually that is the line itself). +function visualLine(line) { + var merged + while (merged = collapsedSpanAtStart(line)) + { line = merged.find(-1, true).line } + return line +} + +// Returns an array of logical lines that continue the visual line +// started by the argument, or undefined if there are no such lines. +function visualLineContinued(line) { + var merged, lines + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + ;(lines || (lines = [])).push(line) + } + return lines +} + +// Get the line number of the start of the visual line that the +// given line number is part of. +function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line) + if (line == vis) { return lineN } + return lineNo(vis) +} + +// Get the line number of the start of the next visual line after +// the given line. +function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) { return lineN } + var line = getLine(doc, lineN), merged + if (!lineIsHidden(doc, line)) { return lineN } + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line } + return lineNo(line) + 1 +} + +// Compute whether a line is hidden. Lines count as hidden when they +// are part of a visual line that starts with another line, or when +// they are entirely covered by collapsed, non-widget span. +function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i] + if (!sp.marker.collapsed) { continue } + if (sp.from == null) { return true } + if (sp.marker.widgetNode) { continue } + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + { return true } + } } +} +function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true) + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) + } + if (span.marker.inclusiveRight && span.to == line.text.length) + { return true } + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i] + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) { return true } + } +} + +// Find the height above the given line. +function heightAtLine(lineObj) { + lineObj = visualLine(lineObj) + + var h = 0, chunk = lineObj.parent + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i] + if (line == lineObj) { break } + else { h += line.height } + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i$1 = 0; i$1 < p.children.length; ++i$1) { + var cur = p.children[i$1] + if (cur == chunk) { break } + else { h += cur.height } + } + } + return h +} + +// Compute the character length of a line, taking into account +// collapsed ranges (see markText) that might hide parts, and join +// other lines onto it. +function lineLength(line) { + if (line.height == 0) { return 0 } + var len = line.text.length, merged, cur = line + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true) + cur = found.from.line + len += found.from.ch - found.to.ch + } + cur = line + while (merged = collapsedSpanAtEnd(cur)) { + var found$1 = merged.find(0, true) + len -= cur.text.length - found$1.from.ch + cur = found$1.to.line + len += cur.text.length - found$1.to.ch + } + return len +} + +// Find the longest line in the document. +function findMaxLine(cm) { + var d = cm.display, doc = cm.doc + d.maxLine = getLine(doc, doc.first) + d.maxLineLength = lineLength(d.maxLine) + d.maxLineChanged = true + doc.iter(function (line) { + var len = lineLength(line) + if (len > d.maxLineLength) { + d.maxLineLength = len + d.maxLine = line + } + }) +} + +// BIDI HELPERS + +function iterateBidiSections(order, from, to, f) { + if (!order) { return f(from, to, "ltr") } + var found = false + for (var i = 0; i < order.length; ++i) { + var part = order[i] + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr") + found = true + } + } + if (!found) { f(from, to, "ltr") } +} + +function bidiLeft(part) { return part.level % 2 ? part.to : part.from } +function bidiRight(part) { return part.level % 2 ? part.from : part.to } + +function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0 } +function lineRight(line) { + var order = getOrder(line) + if (!order) { return line.text.length } + return bidiRight(lst(order)) +} + +function compareBidiLevel(order, a, b) { + var linedir = order[0].level + if (a == linedir) { return true } + if (b == linedir) { return false } + return a < b +} + +var bidiOther = null +function getBidiPartAt(order, pos) { + var found + bidiOther = null + for (var i = 0; i < order.length; ++i) { + var cur = order[i] + if (cur.from < pos && cur.to > pos) { return i } + if ((cur.from == pos || cur.to == pos)) { + if (found == null) { + found = i + } else if (compareBidiLevel(order, cur.level, order[found].level)) { + if (cur.from != cur.to) { bidiOther = found } + return i } else { - var box = getRect(node); - height = box.bottom - box.top; - } - var diff = node.lineObj.height - height; - if (height < 2) height = textHeight(display); - if (diff > .001 || diff < -.001) { - updateLineHeight(node.lineObj, height); - var widgets = node.lineObj.widgets; - if (widgets) for (var i = 0; i < widgets.length; ++i) - widgets[i].height = widgets[i].node.offsetHeight; + if (cur.from != cur.to) { bidiOther = i } + return found } } } - - function updateViewOffset(cm) { - var off = cm.display.viewOffset = heightAtLine(cm, getLine(cm.doc, cm.display.showingFrom)); - // Position the mover div to align with the current virtual scroll position - cm.display.mover.style.top = off + "px"; - } - - function computeIntact(intact, changes) { - for (var i = 0, l = changes.length || 0; i < l; ++i) { - var change = changes[i], intact2 = [], diff = change.diff || 0; - for (var j = 0, l2 = intact.length; j < l2; ++j) { - var range = intact[j]; - if (change.to <= range.from && change.diff) { - intact2.push({from: range.from + diff, to: range.to + diff}); - } else if (change.to <= range.from || change.from >= range.to) { - intact2.push(range); - } else { - if (change.from > range.from) - intact2.push({from: range.from, to: change.from}); - if (change.to < range.to) - intact2.push({from: change.to + diff, to: range.to + diff}); - } + return found +} + +function moveInLine(line, pos, dir, byUnit) { + if (!byUnit) { return pos + dir } + do { pos += dir } + while (pos > 0 && isExtendingChar(line.text.charAt(pos))) + return pos +} + +// This is needed in order to move 'visually' through bi-directional +// text -- i.e., pressing left should make the cursor go left, even +// when in RTL text. The tricky part is the 'jumps', where RTL and +// LTR text touch each other. This often requires the cursor offset +// to move more than one unit, in order to visually move one unit. +function moveVisually(line, start, dir, byUnit) { + var bidi = getOrder(line) + if (!bidi) { return moveLogically(line, start, dir, byUnit) } + var pos = getBidiPartAt(bidi, start), part = bidi[pos] + var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit) + + for (;;) { + if (target > part.from && target < part.to) { return target } + if (target == part.from || target == part.to) { + if (getBidiPartAt(bidi, target) == pos) { return target } + part = bidi[pos += dir] + return (dir > 0) == part.level % 2 ? part.to : part.from + } else { + part = bidi[pos += dir] + if (!part) { return null } + if ((dir > 0) == part.level % 2) + { target = moveInLine(line, part.to, -1, byUnit) } + else + { target = moveInLine(line, part.from, 1, byUnit) } + } + } +} + +function moveLogically(line, start, dir, byUnit) { + var target = start + dir + if (byUnit) { while (target > 0 && isExtendingChar(line.text.charAt(target))) { target += dir } } + return target < 0 || target > line.text.length ? null : target +} + +// Bidirectional ordering algorithm +// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm +// that this (partially) implements. + +// One-char codes used for character types: +// L (L): Left-to-Right +// R (R): Right-to-Left +// r (AL): Right-to-Left Arabic +// 1 (EN): European Number +// + (ES): European Number Separator +// % (ET): European Number Terminator +// n (AN): Arabic Number +// , (CS): Common Number Separator +// m (NSM): Non-Spacing Mark +// b (BN): Boundary Neutral +// s (B): Paragraph Separator +// t (S): Segment Separator +// w (WS): Whitespace +// N (ON): Other Neutrals + +// Returns null if characters are ordered as they appear +// (left-to-right), or an array of sections ({from, to, level} +// objects) in the order in which they occur visually. +var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN" + // Character types for codepoints 0x600 to 0x6f9 + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111" + function charType(code) { + if (code <= 0xf7) { return lowTypes.charAt(code) } + else if (0x590 <= code && code <= 0x5f4) { return "R" } + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } + else if (0x6ee <= code && code <= 0x8ac) { return "r" } + else if (0x2000 <= code && code <= 0x200b) { return "w" } + else if (code == 0x200c) { return "b" } + else { return "L" } + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + // Browsers seem to always treat the boundaries of block elements as being L. + var outerType = "L" + + function BidiSpan(level, from, to) { + this.level = level + this.from = from; this.to = to + } + + return function(str) { + if (!bidiRE.test(str)) { return false } + var len = str.length, types = [] + for (var i = 0; i < len; ++i) + { types.push(charType(str.charCodeAt(i))) } + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { + var type = types[i$1] + if (type == "m") { types[i$1] = prev } + else { prev = type } + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { + var type$1 = types[i$2] + if (type$1 == "1" && cur == "r") { types[i$2] = "n" } + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R" } } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { + var type$2 = types[i$3] + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1" } + else if (type$2 == "," && prev$1 == types[i$3+1] && + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1 } + prev$1 = type$2 + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i$4 = 0; i$4 < len; ++i$4) { + var type$3 = types[i$4] + if (type$3 == ",") { types[i$4] = "N" } + else if (type$3 == "%") { + var end = (void 0) + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N" + for (var j = i$4; j < end; ++j) { types[j] = replace } + i$4 = end - 1 } - intact = intact2; } - return intact; - } - function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft; - width[cm.options.gutters[i]] = n.offsetWidth; + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { + var type$4 = types[i$5] + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L" } + else if (isStrong.test(type$4)) { cur$1 = type$4 } + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i$6 = 0; i$6 < len; ++i$6) { + if (isNeutral.test(types[i$6])) { + var end$1 = (void 0) + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} + var before = (i$6 ? types[i$6-1] : outerType) == "L" + var after = (end$1 < len ? types[end$1] : outerType) == "L" + var replace$1 = before || after ? "L" : "R" + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1 } + i$6 = end$1 - 1 + } } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth}; - } - - function patchDisplay(cm, from, to, intact, updateNumbersFrom) { - var dims = getDimensions(cm); - var display = cm.display, lineNumbers = cm.options.lineNumbers; - if (!intact.length && (!webkit || !cm.display.currentWheelTarget)) - removeChildren(display.lineDiv); - var container = display.lineDiv, cur = container.firstChild; - function rm(node) { - var next = node.nextSibling; - if (webkit && mac && cm.display.currentWheelTarget == node) { - node.style.display = "none"; - node.lineObj = null; - } else { - node.parentNode.removeChild(node); - } - return next; - } - - var nextIntact = intact.shift(), lineN = from; - cm.doc.iter(from, to, function(line) { - if (nextIntact && nextIntact.to == lineN) nextIntact = intact.shift(); - if (lineIsHidden(cm.doc, line)) { - if (line.height != 0) updateLineHeight(line, 0); - if (line.widgets && cur && cur.previousSibling) for (var i = 0; i < line.widgets.length; ++i) { - var w = line.widgets[i]; - if (w.showIfHidden) { - var prev = cur.previousSibling; - if (/pre/i.test(prev.nodeName)) { - var wrap = elt("div", null, null, "position: relative"); - prev.parentNode.replaceChild(wrap, prev); - wrap.appendChild(prev); - prev = wrap; - } - var wnode = prev.appendChild(elt("div", [w.node], "CodeMirror-linewidget")); - if (!w.handleMouseEvents) wnode.ignoreEvents = true; - positionLineWidget(w, wnode, prev, dims); - } - } - } else if (nextIntact && nextIntact.from <= lineN && nextIntact.to > lineN) { - // This line is intact. Skip to the actual node. Update its - // line number if needed. - while (cur.lineObj != line) cur = rm(cur); - if (lineNumbers && updateNumbersFrom <= lineN && cur.lineNumber) - setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineN)); - cur = cur.nextSibling; + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m + for (var i$7 = 0; i$7 < len;) { + if (countsAsLeft.test(types[i$7])) { + var start = i$7 + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} + order.push(new BidiSpan(0, start, i$7)) } else { - // For lines with widgets, make an attempt to find and reuse - // the existing element, so that widgets aren't needlessly - // removed and re-inserted into the dom - if (line.widgets) for (var j = 0, search = cur, reuse; search && j < 20; ++j, search = search.nextSibling) - if (search.lineObj == line && /div/i.test(search.nodeName)) { reuse = search; break; } - // This line needs to be generated. - var lineNode = buildLineElement(cm, line, lineN, dims, reuse); - if (lineNode != reuse) { - container.insertBefore(lineNode, cur); - } else { - while (cur != reuse) cur = rm(cur); - cur = cur.nextSibling; + var pos = i$7, at = order.length + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} + for (var j$2 = pos; j$2 < i$7;) { + if (countsAsNum.test(types[j$2])) { + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)) } + var nstart = j$2 + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} + order.splice(at, 0, new BidiSpan(2, nstart, j$2)) + pos = j$2 + } else { ++j$2 } } - - lineNode.lineObj = line; + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)) } } - ++lineN; - }); - while (cur) cur = rm(cur); - } - - function buildLineElement(cm, line, lineNo, dims, reuse) { - var built = buildLineContent(cm, line), lineElement = built.pre; - var markers = line.gutterMarkers, display = cm.display, wrap; - - var bgClass = built.bgClass ? built.bgClass + " " + (line.bgClass || "") : line.bgClass; - if (!cm.options.lineNumbers && !markers && !bgClass && !line.wrapClass && !line.widgets) - return lineElement; - - // Lines with gutter elements, widgets or a background class need - // to be wrapped again, and have the extra elements added to the - // wrapper div - - if (reuse) { - reuse.alignable = null; - var isOk = true, widgetsSeen = 0, insertBefore = null; - for (var n = reuse.firstChild, next; n; n = next) { - next = n.nextSibling; - if (!/\bCodeMirror-linewidget\b/.test(n.className)) { - reuse.removeChild(n); - } else { - for (var i = 0; i < line.widgets.length; ++i) { - var widget = line.widgets[i]; - if (widget.node == n.firstChild) { - if (!widget.above && !insertBefore) insertBefore = n; - positionLineWidget(widget, n, reuse, dims); - ++widgetsSeen; - break; - } - } - if (i == line.widgets.length) { isOk = false; break; } - } + } + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length + order.unshift(new BidiSpan(0, 0, m[0].length)) + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length + order.push(new BidiSpan(0, len - m[0].length, len)) + } + if (order[0].level == 2) + { order.unshift(new BidiSpan(1, order[0].to, order[0].to)) } + if (order[0].level != lst(order).level) + { order.push(new BidiSpan(order[0].level, len, len)) } + + return order + } +})() + +// Get the bidi ordering for the given line (and cache it). Returns +// false for lines that are fully left-to-right, and an array of +// BidiSpan objects otherwise. +function getOrder(line) { + var order = line.order + if (order == null) { order = line.order = bidiOrdering(line.text) } + return order +} + +// EVENT HANDLING + +// Lightweight event framework. on/off also work on DOM nodes, +// registering native DOM handlers. + +var noHandlers = [] + +var on = function(emitter, type, f) { + if (emitter.addEventListener) { + emitter.addEventListener(type, f, false) + } else if (emitter.attachEvent) { + emitter.attachEvent("on" + type, f) + } else { + var map = emitter._handlers || (emitter._handlers = {}) + map[type] = (map[type] || noHandlers).concat(f) + } +} + +function getHandlers(emitter, type) { + return emitter._handlers && emitter._handlers[type] || noHandlers +} + +function off(emitter, type, f) { + if (emitter.removeEventListener) { + emitter.removeEventListener(type, f, false) + } else if (emitter.detachEvent) { + emitter.detachEvent("on" + type, f) + } else { + var map = emitter._handlers, arr = map && map[type] + if (arr) { + var index = indexOf(arr, f) + if (index > -1) + { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)) } + } + } +} + +function signal(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type) + if (!handlers.length) { return } + var args = Array.prototype.slice.call(arguments, 2) + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args) } +} + +// The DOM events that CodeMirror handles can be overridden by +// registering a (non-DOM) handler on the editor for the event name, +// and preventDefault-ing the event in that handler. +function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + { e = {type: e, preventDefault: function() { this.defaultPrevented = true }} } + signal(cm, override || e.type, cm, e) + return e_defaultPrevented(e) || e.codemirrorIgnore +} + +function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity + if (!arr) { return } + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []) + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) + { set.push(arr[i]) } } +} + +function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 +} + +// Add on and off methods to a constructor's prototype, to make +// registering events on such objects more convenient. +function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f)} + ctor.prototype.off = function(type, f) {off(this, type, f)} +} + +// Due to the fact that we still support jurassic IE versions, some +// compatibility wrappers are needed. + +function e_preventDefault(e) { + if (e.preventDefault) { e.preventDefault() } + else { e.returnValue = false } +} +function e_stopPropagation(e) { + if (e.stopPropagation) { e.stopPropagation() } + else { e.cancelBubble = true } +} +function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false +} +function e_stop(e) {e_preventDefault(e); e_stopPropagation(e)} + +function e_target(e) {return e.target || e.srcElement} +function e_button(e) { + var b = e.which + if (b == null) { + if (e.button & 1) { b = 1 } + else if (e.button & 2) { b = 3 } + else if (e.button & 4) { b = 2 } + } + if (mac && e.ctrlKey && b == 1) { b = 3 } + return b +} + +// Detect drag-and-drop +var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) { return false } + var div = elt('div') + return "draggable" in div || "dragDrop" in div +}() + +var zwspSupported +function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b") + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])) + if (measure.firstChild.offsetHeight != 0) + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8) } + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px") + node.setAttribute("cm-text", "") + return node +} + +// Feature-detect IE's crummy client rect reporting for bidi text +var badBidiRects +function hasBadBidiRects(measure) { + if (badBidiRects != null) { return badBidiRects } + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")) + var r0 = range(txt, 0, 1).getBoundingClientRect() + var r1 = range(txt, 1, 2).getBoundingClientRect() + removeChildren(measure) + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3) +} + +// See if "".split is the broken IE version, if so, provide an +// alternative way to split lines. +var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { + var pos = 0, result = [], l = string.length + while (pos <= l) { + var nl = string.indexOf("\n", pos) + if (nl == -1) { nl = string.length } + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl) + var rt = line.indexOf("\r") + if (rt != -1) { + result.push(line.slice(0, rt)) + pos += rt + 1 + } else { + result.push(line) + pos = nl + 1 + } + } + return result +} : function (string) { return string.split(/\r\n?|\n/); } + +var hasSelection = window.getSelection ? function (te) { + try { return te.selectionStart != te.selectionEnd } + catch(e) { return false } +} : function (te) { + var range + try {range = te.ownerDocument.selection.createRange()} + catch(e) {} + if (!range || range.parentElement() != te) { return false } + return range.compareEndPoints("StartToEnd", range) != 0 +} + +var hasCopyEvent = (function () { + var e = elt("div") + if ("oncopy" in e) { return true } + e.setAttribute("oncopy", "return;") + return typeof e.oncopy == "function" +})() + +var badZoomedRects = null +function hasBadZoomedRects(measure) { + if (badZoomedRects != null) { return badZoomedRects } + var node = removeChildrenAndAdd(measure, elt("span", "x")) + var normal = node.getBoundingClientRect() + var fromRange = range(node, 0, 1).getBoundingClientRect() + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 +} + +var modes = {}; +var mimeModes = {}; +// Extra arguments are stored as the mode's dependencies, which is +// used by (legacy) mechanisms like loadmode.js to automatically +// load a mode. (Preferred mechanism is the require/define calls.) +function defineMode(name, mode) { + if (arguments.length > 2) + { mode.dependencies = Array.prototype.slice.call(arguments, 2) } + modes[name] = mode +} + +function defineMIME(mime, spec) { + mimeModes[mime] = spec +} + +// Given a MIME type, a {name, ...options} config object, or a name +// string, return a mode config object. +function resolveMode(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec] + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name] + if (typeof found == "string") { found = {name: found} } + spec = createObj(found, spec) + spec.name = found.name + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return resolveMode("application/xml") + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { + return resolveMode("application/json") + } + if (typeof spec == "string") { return {name: spec} } + else { return spec || {name: "null"} } +} + +// Given a mode spec (anything that resolveMode accepts), find and +// initialize an actual mode object. +function getMode(options, spec) { + spec = resolveMode(spec) + var mfactory = modes[spec.name] + if (!mfactory) { return getMode(options, "text/plain") } + var modeObj = mfactory(options, spec) + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name] + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) { continue } + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop] } + modeObj[prop] = exts[prop] + } + } + modeObj.name = spec.name + if (spec.helperType) { modeObj.helperType = spec.helperType } + if (spec.modeProps) { for (var prop$1 in spec.modeProps) + { modeObj[prop$1] = spec.modeProps[prop$1] } } + + return modeObj +} + +// This can be used to attach properties to mode objects from +// outside the actual mode definition. +var modeExtensions = {} +function extendMode(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}) + copyObj(properties, exts) +} + +function copyState(mode, state) { + if (state === true) { return state } + if (mode.copyState) { return mode.copyState(state) } + var nstate = {} + for (var n in state) { + var val = state[n] + if (val instanceof Array) { val = val.concat([]) } + nstate[n] = val + } + return nstate +} + +// Given a mode and a state (for that mode), find the inner mode and +// state at the position that the state refers to. +function innerMode(mode, state) { + var info + while (mode.innerMode) { + info = mode.innerMode(state) + if (!info || info.mode == mode) { break } + state = info.state + mode = info.mode + } + return info || {mode: mode, state: state} +} + +function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true +} + +// STRING STREAM + +// Fed to the mode parsers, provides helper functions to make +// parsers more succinct. + +var StringStream = function(string, tabSize) { + this.pos = this.start = 0 + this.string = string + this.tabSize = tabSize || 8 + this.lastColumnPos = this.lastColumnValue = 0 + this.lineStart = 0 +} + +StringStream.prototype = { + eol: function() {return this.pos >= this.string.length}, + sol: function() {return this.pos == this.lineStart}, + peek: function() {return this.string.charAt(this.pos) || undefined}, + next: function() { + if (this.pos < this.string.length) + { return this.string.charAt(this.pos++) } + }, + eat: function(match) { + var ch = this.string.charAt(this.pos) + var ok + if (typeof match == "string") { ok = ch == match } + else { ok = ch && (match.test ? match.test(ch) : match(ch)) } + if (ok) {++this.pos; return ch} + }, + eatWhile: function(match) { + var start = this.pos + while (this.eat(match)){} + return this.pos > start + }, + eatSpace: function() { + var this$1 = this; + + var start = this.pos + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos } + return this.pos > start + }, + skipToEnd: function() {this.pos = this.string.length}, + skipTo: function(ch) { + var found = this.string.indexOf(ch, this.pos) + if (found > -1) {this.pos = found; return true} + }, + backUp: function(n) {this.pos -= n}, + column: function() { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue) + this.lastColumnPos = this.start + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }, + indentation: function() { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }, + match: function(pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; } + var substr = this.string.substr(this.pos, pattern.length) + if (cased(substr) == cased(pattern)) { + if (consume !== false) { this.pos += pattern.length } + return true } - reuse.insertBefore(lineElement, insertBefore); - if (isOk && widgetsSeen == line.widgets.length) { - wrap = reuse; - reuse.className = line.wrapClass || ""; + } else { + var match = this.string.slice(this.pos).match(pattern) + if (match && match.index > 0) { return null } + if (match && consume !== false) { this.pos += match[0].length } + return match + } + }, + current: function(){return this.string.slice(this.start, this.pos)}, + hideFirstChars: function(n, inner) { + this.lineStart += n + try { return inner() } + finally { this.lineStart -= n } + } +} + +// Compute a style array (an array starting with a mode generation +// -- for invalidation -- followed by pairs of end positions and +// style strings), which is used to highlight the tokens on the +// line. +function highlightLine(cm, line, state, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {} + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, state, function (end, style) { return st.push(end, style); }, + lineClasses, forceToEnd) + + // Run overlays, adjust style array. + var loop = function ( o ) { + var overlay = cm.state.overlays[o], i = 1, at = 0 + runMode(cm, line.text, overlay.mode, true, function (end, style) { + var start = i + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i] + if (i_end > end) + { st.splice(i, 1, end, st[i+1], i_end) } + i += 2 + at = Math.min(end, i_end) } - } - if (!wrap) { - wrap = elt("div", null, line.wrapClass, "position: relative"); - wrap.appendChild(lineElement); - } - // Kludge to make sure the styled element lies behind the selection (by z-index) - if (bgClass) - wrap.insertBefore(elt("div", null, bgClass + " CodeMirror-linebackground"), wrap.firstChild); - if (cm.options.lineNumbers || markers) { - var gutterWrap = wrap.insertBefore(elt("div", null, null, "position: absolute; left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"), - wrap.firstChild); - if (cm.options.fixedGutter) (wrap.alignable || (wrap.alignable = [])).push(gutterWrap); - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - wrap.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineNo), - "CodeMirror-linenumber CodeMirror-gutter-elt", - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " - + display.lineNumInnerWidth + "px")); - if (markers) - for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; - if (found) - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); + if (!style) { return } + if (overlay.opaque) { + st.splice(start, i - start, end, "overlay " + style) + i = start + 2 + } else { + for (; start < i; start += 2) { + var cur = st[start+1] + st[start+1] = (cur ? cur + " " : "") + "overlay " + style } - } - if (ie_lt8) wrap.style.zIndex = 2; - if (line.widgets && wrap != reuse) for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.ignoreEvents = true; - positionLineWidget(widget, node, wrap, dims); - if (widget.above) - wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement); - else - wrap.appendChild(node); - signalLater(widget, "redraw"); - } - return wrap; - } - - function positionLineWidget(widget, node, wrap, dims) { - if (widget.noHScroll) { - (wrap.alignable || (wrap.alignable = [])).push(node); - var width = dims.wrapperWidth; - node.style.left = dims.fixedPos + "px"; - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth; - node.style.paddingLeft = dims.gutterTotalWidth + "px"; } - node.style.width = width + "px"; + }, lineClasses) + }; + + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} +} + +function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var state = getStateBefore(cm, lineNo(line)) + var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state) + line.stateAfter = state + line.styles = result.styles + if (result.classes) { line.styleClasses = result.classes } + else if (line.styleClasses) { line.styleClasses = null } + if (updateFrontier === cm.doc.frontier) { cm.doc.frontier++ } + } + return line.styles +} + +function getStateBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display + if (!doc.mode.startState) { return true } + var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter + if (!state) { state = startState(doc.mode) } + else { state = copyState(doc.mode, state) } + doc.iter(pos, n, function (line) { + processLine(cm, line.text, state) + var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo + line.stateAfter = save ? copyState(doc.mode, state) : null + ++pos + }) + if (precise) { doc.frontier = pos } + return state +} + +// Lightweight form of highlight -- proceed over this line and +// update state, but don't save a style array. Used for lines that +// aren't currently visible. +function processLine(cm, text, state, startAt) { + var mode = cm.doc.mode + var stream = new StringStream(text, cm.options.tabSize) + stream.start = stream.pos = startAt || 0 + if (text == "") { callBlankLine(mode, state) } + while (!stream.eol()) { + readToken(mode, stream, state) + stream.start = stream.pos + } +} + +function callBlankLine(mode, state) { + if (mode.blankLine) { return mode.blankLine(state) } + if (!mode.innerMode) { return } + var inner = innerMode(mode, state) + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } +} + +function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) { inner[0] = innerMode(mode, state).mode } + var style = mode.token(stream, state) + if (stream.pos > stream.start) { return style } + } + throw new Error("Mode " + mode.name + " failed to advance stream.") +} + +// Utility for getTokenAt and getLineTokens +function takeToken(cm, pos, precise, asArray) { + var getObj = function (copy) { return ({ + start: stream.start, end: stream.pos, + string: stream.current(), + type: style || null, + state: copy ? copyState(doc.mode, state) : state + }); } + + var doc = cm.doc, mode = doc.mode, style + pos = clipPos(doc, pos) + var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise) + var stream = new StringStream(line.text, cm.options.tabSize), tokens + if (asArray) { tokens = [] } + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos + style = readToken(mode, stream, state) + if (asArray) { tokens.push(getObj(true)) } + } + return asArray ? tokens : getObj() +} + +function extractLineClasses(type, output) { + if (type) { for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/) + if (!lineClass) { break } + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length) + var prop = lineClass[1] ? "bgClass" : "textClass" + if (output[prop] == null) + { output[prop] = lineClass[2] } + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) + { output[prop] += " " + lineClass[2] } + } } + return type +} + +// Run the given mode's parser over a line, calling f for each token. +function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans } + var curStart = 0, curStyle = null + var stream = new StringStream(text, cm.options.tabSize), style + var inner = cm.options.addModeClass && [null] + if (text == "") { extractLineClasses(callBlankLine(mode, state), lineClasses) } + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false + if (forceToEnd) { processLine(cm, text, state, stream.pos) } + stream.pos = text.length + style = null + } else { + style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses) } - if (widget.coverGutter) { - node.style.zIndex = 5; - node.style.position = "relative"; - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; + if (inner) { + var mName = inner[0].name + if (mName) { style = "m-" + (style ? mName + " " + style : mName) } } - } - - // SELECTION / CURSOR - - function updateSelection(cm) { - var display = cm.display; - var collapsed = posEq(cm.doc.sel.from, cm.doc.sel.to); - if (collapsed || cm.options.showCursorWhenSelecting) - updateSelectionCursor(cm); - else - display.cursor.style.display = display.otherCursor.style.display = "none"; - if (!collapsed) - updateSelectionRange(cm); - else - display.selectionDiv.style.display = "none"; - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, cm.doc.sel.head, "div"); - var wrapOff = getRect(display.wrapper), lineOff = getRect(display.lineDiv); - display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)) + "px"; - display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)) + "px"; - } - } - - // No selection, plain cursor - function updateSelectionCursor(cm) { - var display = cm.display, pos = cursorCoords(cm, cm.doc.sel.head, "div"); - display.cursor.style.left = pos.left + "px"; - display.cursor.style.top = pos.top + "px"; - display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - display.cursor.style.display = ""; - - if (pos.other) { - display.otherCursor.style.display = ""; - display.otherCursor.style.left = pos.other.left + "px"; - display.otherCursor.style.top = pos.other.top + "px"; - display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } else { display.otherCursor.style.display = "none"; } - } - - // Highlight selection - function updateSelectionRange(cm) { - var display = cm.display, doc = cm.doc, sel = cm.doc.sel; - var fragment = document.createDocumentFragment(); - var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display); - - function add(left, top, width, bottom) { - if (top < 0) top = 0; - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) + - "px; height: " + (bottom - top) + "px")); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias); + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 5000) + f(curStart, curStyle) } - - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right; - if (from == to) { - rightPos = leftPos; - left = right = leftPos.left; - } else { - rightPos = coords(to - 1, "right"); - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } - left = leftPos.left; - right = rightPos.right; - } - if (fromArg == null && from == 0) left = pl; - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom); - left = pl; - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); - } - if (toArg == null && to == lineLen) right = clientWidth; - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - start = leftPos; - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - end = rightPos; - if (left < pl + 1) left = pl; - add(left, rightPos.top, right - left, rightPos.bottom); - }); - return {start: start, end: end}; - } - - if (sel.from.line == sel.to.line) { - drawForLine(sel.from.line, sel.from.ch, sel.to.ch); + curStyle = style + } + stream.start = stream.pos + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 + // characters, and returns inaccurate measurements in nodes + // starting around 5000 chars. + var pos = Math.min(stream.pos, curStart + 5000) + f(pos, curStyle) + curStart = pos + } +} + +// Finds the line to start with when starting a parse. Tries to +// find a line with a stateAfter, so that it can start with a +// valid state. If that fails, it returns the line with the +// smallest indentation, which tends to need the least context to +// parse correctly. +function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100) + for (var search = n; search > lim; --search) { + if (search <= doc.first) { return doc.first } + var line = getLine(doc, search - 1) + if (line.stateAfter && (!precise || search <= doc.frontier)) { return search } + var indented = countColumn(line.text, null, cm.options.tabSize) + if (minline == null || minindent > indented) { + minline = search - 1 + minindent = indented + } + } + return minline +} + +// LINE DATA STRUCTURE + +// Line objects. These hold state related to a line, including +// highlighting info (the styles array). +function Line(text, markedSpans, estimateHeight) { + this.text = text + attachMarkedSpans(this, markedSpans) + this.height = estimateHeight ? estimateHeight(this) : 1 +} +eventMixin(Line) +Line.prototype.lineNo = function() { return lineNo(this) } + +// Change the content (text, markers) of a line. Automatically +// invalidates cached information and tries to re-estimate the +// line's height. +function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text + if (line.stateAfter) { line.stateAfter = null } + if (line.styles) { line.styles = null } + if (line.order != null) { line.order = null } + detachMarkedSpans(line) + attachMarkedSpans(line, markedSpans) + var estHeight = estimateHeight ? estimateHeight(line) : 1 + if (estHeight != line.height) { updateLineHeight(line, estHeight) } +} + +// Detach a line from the document tree and its markers. +function cleanUpLine(line) { + line.parent = null + detachMarkedSpans(line) +} + +// Convert a style as returned by a mode (either null, or a string +// containing one or more styles) to a CSS style. This is cached, +// and also looks for line-wide styles. +var styleToClassCache = {}; +var styleToClassCacheWithMode = {}; +function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) { return null } + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")) +} + +// Render the DOM representation of the text of a line. Also builds +// up a 'line map', which points at the DOM nodes that represent +// specific stretches of text, and is used by the measuring code. +// The returned object contains the DOM node, this map, and +// information about line-wide styles that were set by the mode. +function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = elt("span", null, null, webkit ? "padding-right: .1px" : null) + var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")} + lineView.measure = {} + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0) + builder.pos = 0 + builder.addToken = buildToken + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) + { builder.addToken = buildTokenBadBidi(builder.addToken, order) } + builder.map = [] + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line) + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)) + if (line.styleClasses) { + if (line.styleClasses.bgClass) + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "") } + if (line.styleClasses.textClass) + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "") } + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))) } + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map + lineView.measure.cache = {} } else { - var fromLine = getLine(doc, sel.from.line), toLine = getLine(doc, sel.to.line); - var singleVLine = visualLine(doc, fromLine) == visualLine(doc, toLine); - var leftEnd = drawForLine(sel.from.line, sel.from.ch, singleVLine ? fromLine.text.length : null).end; - var rightStart = drawForLine(sel.to.line, singleVLine ? 0 : null, sel.to.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(pl, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); - } + ;(lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}) + } + } + + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + { builder.content.className = "cm-tab-wrap-hack" } + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre) + if (builder.pre.className) + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || "") } + + return builder +} + +function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar") + token.title = "\\u" + ch.charCodeAt(0).toString(16) + token.setAttribute("aria-label", token.title) + return token +} + +// Build up the DOM representation for a single token, and add it to +// the line map. Takes care to render special characters separately. +function buildToken(builder, text, style, startStyle, endStyle, title, css) { + if (!text) { return } + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text + var special = builder.cm.state.specialChars, mustWrap = false + var content + if (!special.test(text)) { + builder.col += text.length + content = document.createTextNode(displayText) + builder.map.push(builder.pos, builder.pos + text.length, content) + if (ie && ie_version < 9) { mustWrap = true } + builder.pos += text.length + } else { + content = document.createDocumentFragment() + var pos = 0 + while (true) { + special.lastIndex = pos + var m = special.exec(text) + var skipped = m ? m.index - pos : text.length - pos + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)) + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])) } + else { content.appendChild(txt) } + builder.map.push(builder.pos, builder.pos + skipped, txt) + builder.col += skipped + builder.pos += skipped } - if (leftEnd.bottom < rightStart.top) - add(pl, leftEnd.bottom, null, rightStart.top); - } - - removeChildrenAndAdd(display.selectionDiv, fragment); - display.selectionDiv.style.display = ""; - } - - // Cursor-blinking - function restartBlink(cm) { - if (!cm.state.focused) return; - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursor.style.visibility = display.otherCursor.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - display.blinker = setInterval(function() { - display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden"; - }, cm.options.cursorBlinkRate); - } - - // HIGHLIGHT WORKER - - function startWorker(cm, time) { - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.showingTo) - cm.state.highlight.set(time, bind(highlightWorker, cm)); - } - - function highlightWorker(cm) { - var doc = cm.doc; - if (doc.frontier < doc.first) doc.frontier = doc.first; - if (doc.frontier >= cm.display.showingTo) return; - var end = +new Date + cm.options.workTime; - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); - var changed = [], prevChange; - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.showingTo + 500), function(line) { - if (doc.frontier >= cm.display.showingFrom) { // Visible - var oldStyles = line.styles; - line.styles = highlightLine(cm, line, state, true); - var ischange = !oldStyles || oldStyles.length != line.styles.length; - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; - if (ischange) { - if (prevChange && prevChange.end == doc.frontier) prevChange.end++; - else changed.push(prevChange = {start: doc.frontier, end: doc.frontier + 1}); - } - line.stateAfter = copyState(doc.mode, state); + if (!m) { break } + pos += skipped + 1 + var txt$1 = (void 0) + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")) + txt$1.setAttribute("role", "presentation") + txt$1.setAttribute("cm-text", "\t") + builder.col += tabWidth + } else if (m[0] == "\r" || m[0] == "\n") { + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")) + txt$1.setAttribute("cm-text", m[0]) + builder.col += 1 } else { - processLine(cm, line.text, state); - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; - } - ++doc.frontier; - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true; + txt$1 = builder.cm.options.specialCharPlaceholder(m[0]) + txt$1.setAttribute("cm-text", m[0]) + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])) } + else { content.appendChild(txt$1) } + builder.col += 1 } - }); - if (changed.length) - operation(cm, function() { - for (var i = 0; i < changed.length; ++i) - regChange(this, changed[i].start, changed[i].end); - })(); - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) return doc.first; - var line = getLine(doc, search - 1); - if (line.stateAfter && (!precise || search <= doc.frontier)) return search; - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline; - } - - function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) return true; - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; - if (!state) state = startState(doc.mode); - else state = copyState(doc.mode, state); - doc.iter(pos, n, function(line) { - processLine(cm, line.text, state); - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.showingFrom && pos < display.showingTo; - line.stateAfter = save ? copyState(doc.mode, state) : null; - ++pos; - }); - if (precise) doc.frontier = pos; - return state; - } - - // POSITION MEASUREMENT - - function paddingTop(display) {return display.lineSpace.offsetTop;} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} - function paddingLeft(display) { - var e = removeChildrenAndAdd(display.measure, elt("pre", null, null, "text-align: left")).appendChild(elt("span", "x")); - return e.offsetLeft; - } - - function measureChar(cm, line, ch, data, bias) { - var dir = -1; - data = data || measureLine(cm, line); - if (data.crude) { - var left = data.left + ch * data.width; - return {left: left, right: left + data.width, top: data.top, bottom: data.bottom}; - } - - for (var pos = ch;; pos += dir) { - var r = data[pos]; - if (r) break; - if (dir < 0 && pos == 0) dir = 1; - } - bias = pos > ch ? "left" : pos < ch ? "right" : bias; - if (bias == "left" && r.leftSide) r = r.leftSide; - else if (bias == "right" && r.rightSide) r = r.rightSide; - return {left: pos < ch ? r.right : r.left, - right: pos > ch ? r.left : r.right, - top: r.top, - bottom: r.bottom}; - } - - function findCachedMeasurement(cm, line) { - var cache = cm.display.measureLineCache; - for (var i = 0; i < cache.length; ++i) { - var memo = cache[i]; - if (memo.text == line.text && memo.markedSpans == line.markedSpans && - cm.display.scroller.clientWidth == memo.width && - memo.classes == line.textClass + "|" + line.wrapClass) - return memo; - } - } - - function clearCachedMeasurement(cm, line) { - var exists = findCachedMeasurement(cm, line); - if (exists) exists.text = exists.measure = exists.markedSpans = null; - } - - function measureLine(cm, line) { - // First look in the cache - var cached = findCachedMeasurement(cm, line); - if (cached) return cached.measure; - - // Failing that, recompute and store result in cache - var measure = measureLineInner(cm, line); - var cache = cm.display.measureLineCache; - var memo = {text: line.text, width: cm.display.scroller.clientWidth, - markedSpans: line.markedSpans, measure: measure, - classes: line.textClass + "|" + line.wrapClass}; - if (cache.length == 16) cache[++cm.display.measureLineCachePos % 16] = memo; - else cache.push(memo); - return measure; - } - - function measureLineInner(cm, line) { - if (!cm.options.lineWrapping && line.text.length >= cm.options.crudeMeasuringFrom) - return crudelyMeasureLine(cm, line); - - var display = cm.display, measure = emptyArray(line.text.length); - var pre = buildLineContent(cm, line, measure, true).pre; - - // IE does not cache element positions of inline elements between - // calls to getBoundingClientRect. This makes the loop below, - // which gathers the positions of all the characters on the line, - // do an amount of layout work quadratic to the number of - // characters. When line wrapping is off, we try to improve things - // by first subdividing the line into a bunch of inline blocks, so - // that IE can reuse most of the layout information from caches - // for those blocks. This does interfere with line wrapping, so it - // doesn't work when wrapping is on, but in that case the - // situation is slightly better, since IE does cache line-wrapping - // information and only recomputes per-line. - if (ie && !ie_lt8 && !cm.options.lineWrapping && pre.childNodes.length > 100) { - var fragment = document.createDocumentFragment(); - var chunk = 10, n = pre.childNodes.length; - for (var i = 0, chunks = Math.ceil(n / chunk); i < chunks; ++i) { - var wrap = elt("div", null, null, "display: inline-block"); - for (var j = 0; j < chunk && n; ++j) { - wrap.appendChild(pre.firstChild); - --n; - } - fragment.appendChild(wrap); - } - pre.appendChild(fragment); - } - - removeChildrenAndAdd(display.measure, pre); - - var outer = getRect(display.lineDiv); - var vranges = [], data = emptyArray(line.text.length), maxBot = pre.offsetHeight; - // Work around an IE7/8 bug where it will sometimes have randomly - // replaced our pre with a clone at this point. - if (ie_lt9 && display.measure.first != pre) - removeChildrenAndAdd(display.measure, pre); - - function measureRect(rect) { - var top = rect.top - outer.top, bot = rect.bottom - outer.top; - if (bot > maxBot) bot = maxBot; - if (top < 0) top = 0; - for (var i = vranges.length - 2; i >= 0; i -= 2) { - var rtop = vranges[i], rbot = vranges[i+1]; - if (rtop > bot || rbot < top) continue; - if (rtop <= top && rbot >= bot || - top <= rtop && bot >= rbot || - Math.min(bot, rbot) - Math.max(top, rtop) >= (bot - top) >> 1) { - vranges[i] = Math.min(top, rtop); - vranges[i+1] = Math.max(bot, rbot); - break; - } + builder.map.push(builder.pos, builder.pos + 1, txt$1) + builder.pos++ + } + } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32 + if (style || startStyle || endStyle || mustWrap || css) { + var fullStyle = style || "" + if (startStyle) { fullStyle += startStyle } + if (endStyle) { fullStyle += endStyle } + var token = elt("span", [content], fullStyle, css) + if (title) { token.title = title } + return builder.content.appendChild(token) + } + builder.content.appendChild(content) +} + +function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) { return text } + var spaceBefore = trailingBefore, result = "" + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i) + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + { ch = "\u00a0" } + result += ch + spaceBefore = ch == " " + } + return result +} + +// Work around nonsense dimensions being reported for stretches of +// right-to-left text. +function buildTokenBadBidi(inner, order) { + return function (builder, text, style, startStyle, endStyle, title, css) { + style = style ? style + " cm-force-border" : "cm-force-border" + var start = builder.pos, end = start + text.length + for (;;) { + // Find the part that overlaps with the start of this text + var part = (void 0) + for (var i = 0; i < order.length; i++) { + part = order[i] + if (part.to > start && part.from <= start) { break } } - if (i < 0) { i = vranges.length; vranges.push(top, bot); } - return {left: rect.left - outer.left, - right: rect.right - outer.left, - top: i, bottom: null}; - } - function finishRect(rect) { - rect.bottom = vranges[rect.top+1]; - rect.top = vranges[rect.top]; - } - - for (var i = 0, cur; i < measure.length; ++i) if (cur = measure[i]) { - var node = cur, rect = null; - // A widget might wrap, needs special care - if (/\bCodeMirror-widget\b/.test(cur.className) && cur.getClientRects) { - if (cur.firstChild.nodeType == 1) node = cur.firstChild; - var rects = node.getClientRects(); - if (rects.length > 1) { - rect = data[i] = measureRect(rects[0]); - rect.rightSide = measureRect(rects[rects.length - 1]); + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) } + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css) + startStyle = null + text = text.slice(part.to - start) + start = part.to + } + } +} + +function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget) } + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + { widget = builder.content.appendChild(document.createElement("span")) } + widget.setAttribute("cm-marker", marker.id) + } + if (widget) { + builder.cm.display.input.setUneditable(widget) + builder.content.appendChild(widget) + } + builder.pos += size + builder.trailingSpace = false +} + +// Outputs a number of spans to make up a line, taking highlighting +// and marked text into account. +function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0 + if (!spans) { + for (var i$1 = 1; i$1 < styles.length; i$1+=2) + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)) } + return + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = title = css = "" + collapsed = null; nextChange = Infinity + var foundBookmarks = [], endStyles = (void 0) + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m) + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to + spanEndStyle = "" + } + if (m.className) { spanStyle += " " + m.className } + if (m.css) { css = (css ? css + ";" : "") + m.css } + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle } + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to) } + if (m.title && !title) { title = m.title } + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + { collapsed = sp } + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from } } - if (!rect) rect = data[i] = measureRect(getRect(node)); - if (cur.measureRight) rect.right = getRect(cur.measureRight).left; - if (cur.leftSide) rect.leftSide = measureRect(getRect(cur.leftSide)); - } - removeChildren(cm.display.measure); - for (var i = 0, cur; i < data.length; ++i) if (cur = data[i]) { - finishRect(cur); - if (cur.leftSide) finishRect(cur.leftSide); - if (cur.rightSide) finishRect(cur.rightSide); - } - return data; - } - - function crudelyMeasureLine(cm, line) { - var copy = new Line(line.text.slice(0, 100), null); - if (line.textClass) copy.textClass = line.textClass; - var measure = measureLineInner(cm, copy); - var left = measureChar(cm, copy, 0, measure, "left"); - var right = measureChar(cm, copy, 99, measure, "right"); - return {crude: true, top: left.top, left: left.left, bottom: left.bottom, width: (right.right - left.left) / 100}; - } - - function measureLineWidth(cm, line) { - var hasBadSpan = false; - if (line.markedSpans) for (var i = 0; i < line.markedSpans; ++i) { - var sp = line.markedSpans[i]; - if (sp.collapsed && (sp.to == null || sp.to == line.text.length)) hasBadSpan = true; - } - var cached = !hasBadSpan && findCachedMeasurement(cm, line); - if (cached || line.text.length >= cm.options.crudeMeasuringFrom) - return measureChar(cm, line, line.text.length, cached && cached.measure, "right").right; - - var pre = buildLineContent(cm, line, null, true).pre; - var end = pre.appendChild(zeroWidthElement(cm.display.measure)); - removeChildrenAndAdd(cm.display.measure, pre); - return getRect(end).right - getRect(cm.display.lineDiv).left; - } - - function clearCaches(cm) { - cm.display.measureLineCache.length = cm.display.measureLineCachePos = 0; - cm.display.cachedCharWidth = cm.display.cachedTextHeight = null; - if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; - cm.display.lineNumChars = null; - } - - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } - - // Context is one of "line", "div" (display.lineDiv), "local"/null (editor), or "page" - function intoCoordSystem(cm, lineObj, rect, context) { - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]); - rect.top += size; rect.bottom += size; - } - if (context == "line") return rect; - if (!context) context = "local"; - var yOff = heightAtLine(cm, lineObj); - if (context == "local") yOff += paddingTop(cm.display); - else yOff -= cm.display.viewOffset; - if (context == "page" || context == "window") { - var lOff = getRect(cm.display.lineSpace); - yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); - rect.left += xOff; rect.right += xOff; - } - rect.top += yOff; rect.bottom += yOff; - return rect; - } - - // Context may be "window", "page", "div", or "local"/null - // Result is in "div" coords - function fromCoordSystem(cm, coords, context) { - if (context == "div") return coords; - var left = coords.left, top = coords.top; - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX(); - top -= pageScrollY(); - } else if (context == "local" || !context) { - var localBox = getRect(cm.display.sizer); - left += localBox.left; - top += localBox.top; - } - - var lineSpaceBox = getRect(cm.display.lineSpace); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; - } - - function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) lineObj = getLine(cm.doc, pos.line); - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, null, bias), context); - } - - function cursorCoords(cm, pos, context, lineObj, measurement) { - lineObj = lineObj || getLine(cm.doc, pos.line); - if (!measurement) measurement = measureLine(cm, lineObj); - function get(ch, right) { - var m = measureChar(cm, lineObj, ch, measurement, right ? "right" : "left"); - if (right) m.left = m.right; else m.right = m.left; - return intoCoordSystem(cm, lineObj, m, context); - } - function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2; - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { - part = order[--partPos]; - ch = bidiRight(part) - (part.level % 2 ? 0 : 1); - right = true; - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { - part = order[++partPos]; - ch = bidiLeft(part) - part.level % 2; - right = false; + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1] } } } + + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]) } } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null) + if (collapsed.to == null) { return } + if (collapsed.to == pos) { collapsed = false } } - if (right && ch == part.to && ch > part.from) return get(ch - 1); - return get(ch, right); - } - var order = getOrder(lineObj), ch = pos.ch; - if (!order) return get(ch); - var partPos = getBidiPartAt(order, ch); - var val = getBidi(ch, partPos); - if (bidiOther != null) val.other = getBidi(ch, bidiOther); - return val; - } - - function PosWithInfo(line, ch, outside, xRel) { - var pos = new Pos(line, ch); - pos.xRel = xRel; - if (outside) pos.outside = true; - return pos; - } - - // Coords must be lineSpace-local - function coordsChar(cm, x, y) { - var doc = cm.doc; - y += cm.display.viewOffset; - if (y < 0) return PosWithInfo(doc.first, 0, true, -1); - var lineNo = lineAtHeight(doc, y), last = doc.first + doc.size - 1; - if (lineNo > last) - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); - if (x < 0) x = 0; - - for (;;) { - var lineObj = getLine(doc, lineNo); - var found = coordsCharInner(cm, lineObj, lineNo, x, y); - var merged = collapsedSpanAtEnd(lineObj); - var mergedPos = merged && merged.find(); - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - lineNo = mergedPos.to.line; - else - return found; - } - } - - function coordsCharInner(cm, lineObj, lineNo, x, y) { - var innerOff = y - heightAtLine(cm, lineObj); - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; - var measurement = measureLine(cm, lineObj); - - function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", - lineObj, measurement); - wrongLine = true; - if (innerOff > sp.bottom) return sp.left - adjust; - else if (innerOff < sp.top) return sp.left + adjust; - else wrongLine = false; - return sp.left; } + if (pos >= len) { break } - var bidi = getOrder(lineObj), dist = lineObj.text.length; - var from = lineLeft(lineObj), to = lineRight(lineObj); - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; - - if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); - // Do a binary search between these bounds. - for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { - var ch = x < fromX || x - fromX <= toX - x ? from : to; - var xDiff = x - (ch == from ? fromX : toX); - while (isExtendingChar.test(lineObj.text.charAt(ch))) ++ch; - var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, - xDiff < 0 ? -1 : xDiff ? 1 : 0); - return pos; - } - var step = Math.ceil(dist / 2), middle = from + step; - if (bidi) { - middle = from; - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); - } - var middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} - } - } - - var measureText; - function textHeight(display) { - if (display.cachedTextHeight != null) return display.cachedTextHeight; - if (measureText == null) { - measureText = elt("pre"); - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")); - measureText.appendChild(elt("br")); + var upto = Math.min(len, nextChange) + while (true) { + if (text) { + var end = pos + text.length + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css) + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} + pos = end + spanStartStyle = "" } - measureText.appendChild(document.createTextNode("x")); - } - removeChildrenAndAdd(display.measure, measureText); - var height = measureText.offsetHeight / 50; - if (height > 3) display.cachedTextHeight = height; - removeChildren(display.measure); - return height || 1; - } - - function charWidth(display) { - if (display.cachedCharWidth != null) return display.cachedCharWidth; - var anchor = elt("span", "x"); - var pre = elt("pre", [anchor]); - removeChildrenAndAdd(display.measure, pre); - var width = anchor.offsetWidth; - if (width > 2) display.cachedCharWidth = width; - return width || 10; - } - - // OPERATIONS - - // Operations are used to wrap changes in such a way that each - // change won't have to update the cursor and display (which would - // be awkward, slow, and error-prone), but instead updates are - // batched and then all combined and executed at once. - - var nextOpId = 0; - function startOperation(cm) { - cm.curOp = { - // An array of ranges of lines that have to be updated. See - // updateDisplay. - changes: [], - forceUpdate: false, - updateInput: null, - userSelChange: null, - textChanged: null, - selectionChanged: false, - cursorActivity: false, - updateMaxLine: false, - updateScrollPos: false, - id: ++nextOpId - }; - if (!delayedCallbackDepth++) delayedCallbacks = []; - } - - function endOperation(cm) { - var op = cm.curOp, doc = cm.doc, display = cm.display; - cm.curOp = null; - - if (op.updateMaxLine) computeMaxLength(cm); - if (display.maxLineChanged && !cm.options.lineWrapping && display.maxLine) { - var width = measureLineWidth(cm, display.maxLine); - display.sizer.style.minWidth = Math.max(0, width + 3 + scrollerCutOff) + "px"; - display.maxLineChanged = false; - var maxScrollLeft = Math.max(0, display.sizer.offsetLeft + display.sizer.offsetWidth - display.scroller.clientWidth); - if (maxScrollLeft < doc.scrollLeft && !op.updateScrollPos) - setScrollLeft(cm, Math.min(display.scroller.scrollLeft, maxScrollLeft), true); - } - var newScrollPos, updated; - if (op.updateScrollPos) { - newScrollPos = op.updateScrollPos; - } else if (op.selectionChanged && display.scroller.clientHeight) { // don't rescroll if not visible - var coords = cursorCoords(cm, doc.sel.head); - newScrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom); - } - if (op.changes.length || op.forceUpdate || newScrollPos && newScrollPos.scrollTop != null) { - updated = updateDisplay(cm, op.changes, newScrollPos && newScrollPos.scrollTop, op.forceUpdate); - if (cm.display.scroller.offsetHeight) cm.doc.scrollTop = cm.display.scroller.scrollTop; - } - if (!updated && op.selectionChanged) updateSelection(cm); - if (op.updateScrollPos) { - var top = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, newScrollPos.scrollTop)); - var left = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, newScrollPos.scrollLeft)); - display.scroller.scrollTop = display.scrollbarV.scrollTop = doc.scrollTop = top; - display.scroller.scrollLeft = display.scrollbarH.scrollLeft = doc.scrollLeft = left; - alignHorizontally(cm); - if (op.scrollToPos) - scrollPosIntoView(cm, clipPos(cm.doc, op.scrollToPos.from), - clipPos(cm.doc, op.scrollToPos.to), op.scrollToPos.margin); - } else if (newScrollPos) { - scrollCursorIntoView(cm); - } - if (op.selectionChanged) restartBlink(cm); - - if (cm.state.focused && op.updateInput) - resetInput(cm, op.userSelChange); - - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) for (var i = 0; i < hidden.length; ++i) - if (!hidden[i].lines.length) signal(hidden[i], "hide"); - if (unhidden) for (var i = 0; i < unhidden.length; ++i) - if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); - - var delayed; - if (!--delayedCallbackDepth) { - delayed = delayedCallbacks; - delayedCallbacks = null; - } - if (op.textChanged) - signal(cm, "change", cm, op.textChanged); - if (op.cursorActivity) signal(cm, "cursorActivity", cm); - if (delayed) for (var i = 0; i < delayed.length; ++i) delayed[i](); - } - - // Wraps a function in an operation. Returns the wrapped function. - function operation(cm1, f) { - return function() { - var cm = cm1 || this, withOp = !cm.curOp; - if (withOp) startOperation(cm); - try { var result = f.apply(cm, arguments); } - finally { if (withOp) endOperation(cm); } - return result; - }; - } - function docOperation(f) { - return function() { - var withOp = this.cm && !this.cm.curOp, result; - if (withOp) startOperation(this.cm); - try { result = f.apply(this, arguments); } - finally { if (withOp) endOperation(this.cm); } - return result; - }; - } - function runInOp(cm, f) { - var withOp = !cm.curOp, result; - if (withOp) startOperation(cm); - try { result = f(); } - finally { if (withOp) endOperation(cm); } - return result; - } - - function regChange(cm, from, to, lendiff) { - if (from == null) from = cm.doc.first; - if (to == null) to = cm.doc.first + cm.doc.size; - cm.curOp.changes.push({from: from, to: to, diff: lendiff}); - } - - // INPUT HANDLING - - function slowPoll(cm) { - if (cm.display.pollingFast) return; - cm.display.poll.set(cm.options.pollInterval, function() { - readInput(cm); - if (cm.state.focused) slowPoll(cm); - }); - } - - function fastPoll(cm) { - var missed = false; - cm.display.pollingFast = true; - function p() { - var changed = readInput(cm); - if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);} - else {cm.display.pollingFast = false; slowPoll(cm);} - } - cm.display.poll.set(20, p); - } - - // prevInput is a hack to work with IME. If we reset the textarea - // on every change, that breaks IME. So we look for changes - // compared to the previous content instead. (Modern browsers have - // events that indicate IME taking place, but these are not widely - // supported or compatible enough yet to rely on.) - function readInput(cm) { - var input = cm.display.input, prevInput = cm.display.prevInput, doc = cm.doc, sel = doc.sel; - if (!cm.state.focused || hasSelection(input) || isReadOnly(cm) || cm.state.disableInput) return false; - if (cm.state.pasteIncoming && cm.state.fakedLastChar) { - input.value = input.value.substring(0, input.value.length - 1); - cm.state.fakedLastChar = false; - } - var text = input.value; - if (text == prevInput && posEq(sel.from, sel.to)) return false; - if (ie && !ie_lt9 && cm.display.inputHasSelection === text) { - resetInput(cm, true); - return false; - } - - var withOp = !cm.curOp; - if (withOp) startOperation(cm); - sel.shift = false; - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - var from = sel.from, to = sel.to; - if (same < prevInput.length) - from = Pos(from.line, from.ch - (prevInput.length - same)); - else if (cm.state.overwrite && posEq(from, to) && !cm.state.pasteIncoming) - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + (text.length - same))); - - var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: splitLines(text.slice(same)), - origin: cm.state.pasteIncoming ? "paste" : "+input"}; - makeChange(cm.doc, changeEvent, "end"); - cm.curOp.updateInput = updateInput; - signalLater(cm, "inputRead", cm, changeEvent); - - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = cm.display.prevInput = ""; - else cm.display.prevInput = text; - if (withOp) endOperation(cm); - cm.state.pasteIncoming = false; - return true; - } - - function resetInput(cm, user) { - var minimal, selected, doc = cm.doc; - if (!posEq(doc.sel.from, doc.sel.to)) { - cm.display.prevInput = ""; - minimal = hasCopyEvent && - (doc.sel.to.line - doc.sel.from.line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - cm.display.input.value = content; - if (cm.state.focused) selectInput(cm.display.input); - if (ie && !ie_lt9) cm.display.inputHasSelection = content; - } else if (user) { - cm.display.prevInput = cm.display.input.value = ""; - if (ie && !ie_lt9) cm.display.inputHasSelection = null; - } - cm.display.inaccurateSelection = minimal; - } - - function focusInput(cm) { - if (cm.options.readOnly != "nocursor" && (!mobile || document.activeElement != cm.display.input)) - cm.display.input.focus(); - } - - function isReadOnly(cm) { - return cm.options.readOnly || cm.doc.cantEdit; - } - - // EVENT HANDLERS - - function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - if (ie) - on(d.scroller, "dblclick", operation(cm, function(e) { - if (signalDOMEvent(cm, e)) return; - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; - e_preventDefault(e); - var word = findWordAt(getLine(cm.doc, pos.line).text, pos); - extendSelection(cm.doc, word.from, word.to); - })); + text = allText.slice(at, at = styles[i++]) + style = interpretTokenStyle(styles[i++], builder.cm.options) + } + } +} + + +// These objects are used to represent the visible (currently drawn) +// part of the document. A LineView may correspond to multiple +// logical lines, if those are connected by collapsed ranges. +function LineView(doc, line, lineN) { + // The starting line + this.line = line + // Continuing lines, if any + this.rest = visualLineContinued(line) + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1 + this.node = this.text = null + this.hidden = lineIsHidden(doc, line) +} + +// Create a range of LineView objects for the given lines. +function buildViewArray(cm, from, to) { + var array = [], nextPos + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos) + nextPos = pos + view.size + array.push(view) + } + return array +} + +var operationGroup = null + +function pushOperation(op) { + if (operationGroup) { + operationGroup.ops.push(op) + } else { + op.ownsGroup = operationGroup = { + ops: [op], + delayedCallbacks: [] + } + } +} + +function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0 + do { + for (; i < callbacks.length; i++) + { callbacks[i].call(null) } + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j] + if (op.cursorActivityHandlers) + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm) } } + } + } while (i < callbacks.length) +} + +function finishOperation(op, endCb) { + var group = op.ownsGroup + if (!group) { return } + + try { fireCallbacksForOps(group) } + finally { + operationGroup = null + endCb(group) + } +} + +var orphanDelayedCallbacks = null + +// Often, we want to signal events at a point where we are in the +// middle of some work, but don't want the handler to start calling +// other methods on the editor, which might be in an inconsistent +// state or simply not expect any other events to happen. +// signalLater looks whether there are any handlers, and schedules +// them to be executed when the last operation ends, or, if no +// operation is active, when a timeout fires. +function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type) + if (!arr.length) { return } + var args = Array.prototype.slice.call(arguments, 2), list + if (operationGroup) { + list = operationGroup.delayedCallbacks + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks + } else { + list = orphanDelayedCallbacks = [] + setTimeout(fireOrphanDelayed, 0) + } + var loop = function ( i ) { + list.push(function () { return arr[i].apply(null, args); }) + }; + + for (var i = 0; i < arr.length; ++i) + loop( i ); +} + +function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks + orphanDelayedCallbacks = null + for (var i = 0; i < delayed.length; ++i) { delayed[i]() } +} + +// When an aspect of a line changes, a string is added to +// lineView.changes. This updates the relevant part of the line's +// DOM structure. +function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j] + if (type == "text") { updateLineText(cm, lineView) } + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims) } + else if (type == "class") { updateLineClasses(lineView) } + else if (type == "widget") { updateLineWidgets(cm, lineView, dims) } + } + lineView.changes = null +} + +// Lines with gutter elements, widgets or a background class need to +// be wrapped, and have the extra elements added to the wrapper div +function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative") + if (lineView.text.parentNode) + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text) } + lineView.node.appendChild(lineView.text) + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2 } + } + return lineView.node +} + +function updateLineBackground(lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass + if (cls) { cls += " CodeMirror-linebackground" } + if (lineView.background) { + if (cls) { lineView.background.className = cls } + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null } + } else if (cls) { + var wrap = ensureLineWrapped(lineView) + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild) + } +} + +// Wrapper around buildLineContent which will reuse the structure +// in display.externalMeasured when possible. +function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null + lineView.measure = ext.measure + return ext.built + } + return buildLineContent(cm, lineView) +} + +// Redraw the line's text. Interacts with the background and text +// classes because the mode may output tokens that influence these +// classes. +function updateLineText(cm, lineView) { + var cls = lineView.text.className + var built = getLineContent(cm, lineView) + if (lineView.text == lineView.node) { lineView.node = built.pre } + lineView.text.parentNode.replaceChild(built.pre, lineView.text) + lineView.text = built.pre + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass + lineView.textClass = built.textClass + updateLineClasses(lineView) + } else if (cls) { + lineView.text.className = cls + } +} + +function updateLineClasses(lineView) { + updateLineBackground(lineView) + if (lineView.line.wrapClass) + { ensureLineWrapped(lineView).className = lineView.line.wrapClass } + else if (lineView.node != lineView.text) + { lineView.node.className = "" } + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass + lineView.text.className = textClass || "" +} + +function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter) + lineView.gutter = null + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground) + lineView.gutterBackground = null + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView) + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")) + wrap.insertBefore(lineView.gutterBackground, lineView.text) + } + var markers = lineView.line.gutterMarkers + if (cm.options.lineNumbers || markers) { + var wrap$1 = ensureLineWrapped(lineView) + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")) + cm.display.input.setUneditable(gutterWrap) + wrap$1.insertBefore(gutterWrap, lineView.text) + if (lineView.line.gutterClass) + { gutterWrap.className += " " + lineView.line.gutterClass } + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + { lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))) } + if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id] + if (found) + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))) } + } } + } +} + +function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) { lineView.alignable = null } + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { + next = node.nextSibling + if (node.className == "CodeMirror-linewidget") + { lineView.node.removeChild(node) } + } + insertLineWidgets(cm, lineView, dims) +} + +// Build a line's DOM representation from scratch +function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView) + lineView.text = lineView.node = built.pre + if (built.bgClass) { lineView.bgClass = built.bgClass } + if (built.textClass) { lineView.textClass = built.textClass } + + updateLineClasses(lineView) + updateLineGutter(cm, lineView, lineN, dims) + insertLineWidgets(cm, lineView, dims) + return lineView.node +} + +// A lineView may contain multiple logical lines (when merged by +// collapsed spans). The widgets for all of them need to be drawn. +function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true) + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false) } } +} + +function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) { return } + var wrap = ensureLineWrapped(lineView) + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget") + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true") } + positionLineWidget(widget, node, lineView, dims) + cm.display.input.setUneditable(node) + if (allowAbove && widget.above) + { wrap.insertBefore(node, lineView.gutter || lineView.text) } else - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); - on(d.lineSpace, "selectstart", function(e) { - if (!eventInWidget(d, e)) e_preventDefault(e); - }); - // Gecko browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for Gecko. - if (!captureMiddleClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); - - on(d.scroller, "scroll", function() { - if (d.scroller.clientHeight) { - setScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); - on(d.scrollbarV, "scroll", function() { - if (d.scroller.clientHeight) setScrollTop(cm, d.scrollbarV.scrollTop); - }); - on(d.scrollbarH, "scroll", function() { - if (d.scroller.clientHeight) setScrollLeft(cm, d.scrollbarH.scrollLeft); - }); - - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); - - function reFocus() { if (cm.state.focused) setTimeout(bind(focusInput, cm), 0); } - on(d.scrollbarH, "mousedown", reFocus); - on(d.scrollbarV, "mousedown", reFocus); - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - - var resizeTimer; - function onResize() { - if (resizeTimer == null) resizeTimer = setTimeout(function() { - resizeTimer = null; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = knownScrollbarWidth = null; - clearCaches(cm); - runInOp(cm, bind(regChange, cm)); - }, 100); - } - on(window, "resize", onResize); - // Above handler holds on to the editor and its data structures. - // Here we poll to unregister it when the editor is no longer in - // the document, so that it can be garbage-collected. - function unregister() { - for (var p = d.wrapper.parentNode; p && p != document.body; p = p.parentNode) {} - if (p) setTimeout(unregister, 5000); - else off(window, "resize", onResize); - } - setTimeout(unregister, 5000); - - on(d.input, "keyup", operation(cm, function(e) { - if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return; - if (e.keyCode == 16) cm.doc.sel.shift = false; - })); - on(d.input, "input", function() { - if (ie && !ie_lt9 && cm.display.inputHasSelection) cm.display.inputHasSelection = null; - fastPoll(cm); - }); - on(d.input, "keydown", operation(cm, onKeyDown)); - on(d.input, "keypress", operation(cm, onKeyPress)); - on(d.input, "focus", bind(onFocus, cm)); - on(d.input, "blur", bind(onBlur, cm)); - - function drag_(e) { - if (signalDOMEvent(cm, e) || cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return; - e_stop(e); - } - if (cm.options.dragDrop) { - on(d.scroller, "dragstart", function(e){onDragStart(cm, e);}); - on(d.scroller, "dragenter", drag_); - on(d.scroller, "dragover", drag_); - on(d.scroller, "drop", operation(cm, onDrop)); - } - on(d.scroller, "paste", function(e) { - if (eventInWidget(d, e)) return; - focusInput(cm); - fastPoll(cm); - }); - on(d.input, "paste", function() { - // Workaround for webkit bug https://bugs.webkit.org/show_bug.cgi?id=90206 - // Add a char to the end of textarea before paste occur so that - // selection doesn't span to the end of textarea. - if (webkit && !cm.state.fakedLastChar && !(new Date - cm.state.lastMiddleDown < 200)) { - var start = d.input.selectionStart, end = d.input.selectionEnd; - d.input.value += "$"; - d.input.selectionStart = start; - d.input.selectionEnd = end; - cm.state.fakedLastChar = true; - } - cm.state.pasteIncoming = true; - fastPoll(cm); - }); - - function prepareCopy() { - if (d.inaccurateSelection) { - d.prevInput = ""; - d.inaccurateSelection = false; - d.input.value = cm.getSelection(); - selectInput(d.input); + { wrap.appendChild(node) } + signalLater(widget, "redraw") + } +} + +function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + ;(lineView.alignable || (lineView.alignable = [])).push(node) + var width = dims.wrapperWidth + node.style.left = dims.fixedPos + "px" + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth + node.style.paddingLeft = dims.gutterTotalWidth + "px" + } + node.style.width = width + "px" + } + if (widget.coverGutter) { + node.style.zIndex = 5 + node.style.position = "relative" + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px" } + } +} + +function widgetHeight(widget) { + if (widget.height != null) { return widget.height } + var cm = widget.doc.cm + if (!cm) { return 0 } + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;" + if (widget.coverGutter) + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;" } + if (widget.noHScroll) + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;" } + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)) + } + return widget.height = widget.node.parentNode.offsetHeight +} + +// Return true when the given mouse event happened in a widget +function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + { return true } + } +} + +// POSITION MEASUREMENT + +function paddingTop(display) {return display.lineSpace.offsetTop} +function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} +function paddingH(display) { + if (display.cachedPaddingH) { return display.cachedPaddingH } + var e = removeChildrenAndAdd(display.measure, elt("pre", "x")) + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)} + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data } + return data +} + +function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } +function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth +} +function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight +} + +// Ensure the lineView.wrapping.heights array is populated. This is +// an array of bottom offsets for the lines that make up a drawn +// line. When lineWrapping is on, there might be more than one +// height. +function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping + var curWidth = wrapping && displayWidth(cm) + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = [] + if (wrapping) { + lineView.measure.width = curWidth + var rects = lineView.text.firstChild.getClientRects() + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1] + if (Math.abs(cur.bottom - next.bottom) > 2) + { heights.push((cur.bottom + next.top) / 2 - rect.top) } } } - on(d.input, "cut", prepareCopy); - on(d.input, "copy", prepareCopy); - - // Needed to handle Tab key in KHTML - if (khtml) on(d.sizer, "mouseup", function() { - if (document.activeElement == d.input) d.input.blur(); - focusInput(cm); - }); + heights.push(rect.bottom - rect.top) + } +} + +// Find a line map (mapping character offsets to text nodes) and a +// measurement cache for the given line number. (A line view might +// contain multiple lines when collapsed ranges are present.) +function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + { return {map: lineView.measure.map, cache: lineView.measure.cache} } + for (var i = 0; i < lineView.rest.length; i++) + { if (lineView.rest[i] == line) + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) + { if (lineNo(lineView.rest[i$1]) > lineN) + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } +} + +// Render a line into the hidden node display.externalMeasured. Used +// when measurement is needed for a line that's not in the viewport. +function updateExternalMeasurement(cm, line) { + line = visualLine(line) + var lineN = lineNo(line) + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN) + view.lineN = lineN + var built = view.built = buildLineContent(cm, view) + view.text = built.pre + removeChildrenAndAdd(cm.display.lineMeasure, built.pre) + return view +} + +// Get a {top, bottom, left, right} box (in line-local coordinates) +// for a given character. +function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) +} + +// Find a line view that corresponds to the given line number. +function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + { return cm.display.view[findViewIndex(cm, lineN)] } + var ext = cm.display.externalMeasured + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + { return ext } +} + +// Measurement can be split in two steps, the set-up work that +// applies to the whole line, and the measurement of the actual +// character. Functions like coordsChar, that need to do a lot of +// measurements in a row, can thus ensure that the set-up work is +// only done once. +function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line) + var view = findViewForLine(cm, lineN) + if (view && !view.text) { + view = null + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)) + cm.curOp.forceUpdate = true + } + if (!view) + { view = updateExternalMeasurement(cm, line) } + + var info = mapFromLineView(view, line, lineN) + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + } +} + +// Given a prepared measurement object, measures the position of an +// actual character (or fetches it from the cache). +function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) { ch = -1 } + var key = ch + (bias || ""), found + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key] + } else { + if (!prepared.rect) + { prepared.rect = prepared.view.text.getBoundingClientRect() } + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect) + prepared.hasHeights = true + } + found = measureCharInner(cm, prepared, ch, bias) + if (!found.bogus) { prepared.cache[key] = found } + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom} +} + +var nullRect = {left: 0, right: 0, top: 0, bottom: 0} + +function nodeAndOffsetInLineMap(map, ch, bias) { + var node, start, end, collapse, mStart, mEnd + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map.length; i += 3) { + mStart = map[i] + mEnd = map[i + 1] + if (ch < mStart) { + start = 0; end = 1 + collapse = "left" + } else if (ch < mEnd) { + start = ch - mStart + end = start + 1 + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + end = mEnd - mStart + start = end - 1 + if (ch >= mEnd) { collapse = "right" } + } + if (start != null) { + node = map[i + 2] + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + { collapse = bias } + if (bias == "left" && start == 0) + { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { + node = map[(i -= 3) + 2] + collapse = "left" + } } + if (bias == "right" && start == mEnd - mStart) + { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + node = map[(i += 3) + 2] + collapse = "right" + } } + break + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} +} + +function getUsefulRect(rects, bias) { + var rect = nullRect + if (bias == "left") { for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) { break } + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { + if ((rect = rects[i$1]).left != rect.right) { break } + } } + return rect +} + +function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias) + var node = place.node, start = place.start, end = place.end, collapse = place.collapse + + var rect + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start } + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end } + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) + { rect = node.parentNode.getBoundingClientRect() } + else + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias) } + if (rect.left || rect.right || start == 0) { break } + end = start + start = start - 1 + collapse = "right" + } + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect) } + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) { collapse = bias = "right" } + var rects + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + { rect = rects[bias == "right" ? rects.length - 1 : 0] } + else + { rect = node.getBoundingClientRect() } } - - function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || n.ignoreEvents || n.parentNode == display.sizer && n != display.mover) return true; - } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0] + if (rSpan) + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom} } + else + { rect = nullRect } + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top + var mid = (rtop + rbot) / 2 + var heights = prepared.view.measure.heights + var i = 0 + for (; i < heights.length - 1; i++) + { if (mid < heights[i]) { break } } + var top = i ? heights[i - 1] : 0, bot = heights[i] + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot} + if (!rect.left && !rect.right) { result.bogus = true } + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot } + + return result +} + +// Work around problem with bounding client rects on ranges being +// returned incorrectly when zoomed on IE10 and below. +function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + { return rect } + var scaleX = screen.logicalXDPI / screen.deviceXDPI + var scaleY = screen.logicalYDPI / screen.deviceYDPI + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY} +} + +function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {} + lineView.measure.heights = null + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { lineView.measure.caches[i] = {} } } + } +} + +function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null + removeChildren(cm.display.lineMeasure) + for (var i = 0; i < cm.display.view.length; i++) + { clearLineMeasurementCacheFor(cm.display.view[i]) } +} + +function clearCaches(cm) { + clearLineMeasurementCache(cm) + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true } + cm.display.lineNumChars = null +} + +function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft } +function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop } + +// Converts a {top, bottom, left, right} box from line-local +// coordinates into another coordinate system. Context may be one of +// "line", "div" (display.lineDiv), "local"./null (editor), "window", +// or "page". +function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { + if (!includeWidgets && lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above) { + var size = widgetHeight(lineObj.widgets[i]) + rect.top += size; rect.bottom += size + } } } + if (context == "line") { return rect } + if (!context) { context = "local" } + var yOff = heightAtLine(lineObj) + if (context == "local") { yOff += paddingTop(cm.display) } + else { yOff -= cm.display.viewOffset } + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect() + yOff += lOff.top + (context == "window" ? 0 : pageScrollY()) + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()) + rect.left += xOff; rect.right += xOff + } + rect.top += yOff; rect.bottom += yOff + return rect +} + +// Coverts a box from "div" coords to another coordinate system. +// Context may be "window", "page", "div", or "local"./null. +function fromCoordSystem(cm, coords, context) { + if (context == "div") { return coords } + var left = coords.left, top = coords.top + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX() + top -= pageScrollY() + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect() + left += localBox.left + top += localBox.top + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect() + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} +} + +function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) { lineObj = getLine(cm.doc, pos.line) } + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) +} + +// Returns a box for a given cursor position, which may have an +// 'other' property containing the position of the secondary cursor +// on a bidi boundary. +function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line) + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj) } + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight) + if (right) { m.left = m.right; } else { m.right = m.left } + return intoCoordSystem(cm, lineObj, m, context) + } + function getBidi(ch, partPos) { + var part = order[partPos], right = part.level % 2 + if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { + part = order[--partPos] + ch = bidiRight(part) - (part.level % 2 ? 0 : 1) + right = true + } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { + part = order[++partPos] + ch = bidiLeft(part) - part.level % 2 + right = false + } + if (right && ch == part.to && ch > part.from) { return get(ch - 1) } + return get(ch, right) + } + var order = getOrder(lineObj), ch = pos.ch + if (!order) { return get(ch) } + var partPos = getBidiPartAt(order, ch) + var val = getBidi(ch, partPos) + if (bidiOther != null) { val.other = getBidi(ch, bidiOther) } + return val +} + +// Used to cheaply estimate the coordinates for a position. Used for +// intermediate scroll updates. +function estimateCoords(cm, pos) { + var left = 0 + pos = clipPos(cm.doc, pos) + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch } + var lineObj = getLine(cm.doc, pos.line) + var top = heightAtLine(lineObj) + paddingTop(cm.display) + return {left: left, right: left, top: top, bottom: top + lineObj.height} +} + +// Positions returned by coordsChar contain some extra information. +// xRel is the relative x position of the input coordinates compared +// to the found position (so xRel > 0 means the coordinates are to +// the right of the character position, for example). When outside +// is true, that means the coordinates lie outside the line's +// vertical range. +function PosWithInfo(line, ch, outside, xRel) { + var pos = Pos(line, ch) + pos.xRel = xRel + if (outside) { pos.outside = true } + return pos +} + +// Compute the character position closest to the given coordinates. +// Input must be lineSpace-local ("div" coordinate system). +function coordsChar(cm, x, y) { + var doc = cm.doc + y += cm.display.viewOffset + if (y < 0) { return PosWithInfo(doc.first, 0, true, -1) } + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1 + if (lineN > last) + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1) } + if (x < 0) { x = 0 } + + var lineObj = getLine(doc, lineN) + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y) + var merged = collapsedSpanAtEnd(lineObj) + var mergedPos = merged && merged.find(0, true) + if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) + { lineN = lineNo(lineObj = mergedPos.to.line) } + else + { return found } + } +} + +function coordsCharInner(cm, lineObj, lineNo, x, y) { + var innerOff = y - heightAtLine(lineObj) + var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth + var preparedMeasure = prepareMeasureForLine(cm, lineObj) + + function getX(ch) { + var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure) + wrongLine = true + if (innerOff > sp.bottom) { return sp.left - adjust } + else if (innerOff < sp.top) { return sp.left + adjust } + else { wrongLine = false } + return sp.left + } + + var bidi = getOrder(lineObj), dist = lineObj.text.length + var from = lineLeft(lineObj), to = lineRight(lineObj) + var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine + + if (x > toX) { return PosWithInfo(lineNo, to, toOutside, 1) } + // Do a binary search between these bounds. + for (;;) { + if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { + var ch = x < fromX || x - fromX <= toX - x ? from : to + var outside = ch == from ? fromOutside : toOutside + var xDiff = x - (ch == from ? fromX : toX) + // This is a kludge to handle the case where the coordinates + // are after a line-wrapped line. We should replace it with a + // more general handling of cursor positions around line + // breaks. (Issue #4078) + if (toOutside && !bidi && !/\s/.test(lineObj.text.charAt(ch)) && xDiff > 0 && + ch < lineObj.text.length && preparedMeasure.view.measure.heights.length > 1) { + var charSize = measureCharPrepared(cm, preparedMeasure, ch, "right") + if (innerOff <= charSize.bottom && innerOff >= charSize.top && Math.abs(x - charSize.right) < xDiff) { + outside = false + ch++ + xDiff = x - charSize.right + } + } + while (isExtendingChar(lineObj.text.charAt(ch))) { ++ch } + var pos = PosWithInfo(lineNo, ch, outside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0) + return pos + } + var step = Math.ceil(dist / 2), middle = from + step + if (bidi) { + middle = from + for (var i = 0; i < step; ++i) { middle = moveVisually(lineObj, middle, 1) } + } + var middleX = getX(middle) + if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) { toX += 1000; } dist = step} + else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step} + } +} + +var measureText +// Compute the default text height. +function textHeight(display) { + if (display.cachedTextHeight != null) { return display.cachedTextHeight } + if (measureText == null) { + measureText = elt("pre") + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")) + measureText.appendChild(elt("br")) + } + measureText.appendChild(document.createTextNode("x")) + } + removeChildrenAndAdd(display.measure, measureText) + var height = measureText.offsetHeight / 50 + if (height > 3) { display.cachedTextHeight = height } + removeChildren(display.measure) + return height || 1 +} + +// Compute the default character width. +function charWidth(display) { + if (display.cachedCharWidth != null) { return display.cachedCharWidth } + var anchor = elt("span", "xxxxxxxxxx") + var pre = elt("pre", [anchor]) + removeChildrenAndAdd(display.measure, pre) + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10 + if (width > 2) { display.cachedCharWidth = width } + return width || 10 +} + +// Do a bulk-read of the DOM positions and sizes needed to draw the +// view, so that we don't interleave reading and writing to the DOM. +function getDimensions(cm) { + var d = cm.display, left = {}, width = {} + var gutterLeft = d.gutters.clientLeft + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft + width[cm.options.gutters[i]] = n.clientWidth + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth} +} + +// Computes display.scroller.scrollLeft + display.gutters.offsetWidth, +// but using getBoundingClientRect to get a sub-pixel-accurate +// result. +function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left +} + +// Returns a function that estimates the height of a line, to use as +// first approximation until the line becomes visible (and is thus +// properly measurable). +function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3) + return function (line) { + if (lineIsHidden(cm.doc, line)) { return 0 } + + var widgetsHeight = 0 + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height } + } } + + if (wrapping) + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } + else + { return widgetsHeight + th } + } +} + +function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm) + doc.iter(function (line) { + var estHeight = est(line) + if (estHeight != line.height) { updateLineHeight(line, estHeight) } + }) +} + +// Given a mouse event, find the corresponding position. If liberal +// is false, it checks whether a gutter or scrollbar was clicked, +// and returns null if it was. forRect is used by rectangular +// selections, and tries to estimate a character position even for +// coordinates beyond the right of the text. +function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } + + var x, y, space = display.lineSpace.getBoundingClientRect() + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top } + catch (e) { return null } + var coords = coordsChar(cm, x, y), line + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)) + } + return coords +} + +// Find the view element corresponding to a given line. Return null +// when the line isn't visible. +function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) { return null } + n -= cm.display.viewFrom + if (n < 0) { return null } + var view = cm.display.view + for (var i = 0; i < view.length; i++) { + n -= view[i].size + if (n < 0) { return i } + } +} + +function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()) +} + +function prepareSelection(cm, primary) { + var doc = cm.doc, result = {} + var curFragment = result.cursors = document.createDocumentFragment() + var selFragment = result.selection = document.createDocumentFragment() + + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (primary === false && i == doc.sel.primIndex) { continue } + var range = doc.sel.ranges[i] + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue } + var collapsed = range.empty() + if (collapsed || cm.options.showCursorWhenSelecting) + { drawSelectionCursor(cm, range.head, curFragment) } + if (!collapsed) + { drawSelectionRange(cm, range, selFragment) } } + return result +} - function posFromMouse(cm, e, liberal) { - var display = cm.display; - if (!liberal) { - var target = e_target(e); - if (target == display.scrollbarH || target == display.scrollbarH.firstChild || - target == display.scrollbarV || target == display.scrollbarV.firstChild || - target == display.scrollbarFiller || target == display.gutterFiller) return null; - } - var x, y, space = getRect(display.lineSpace); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX; y = e.clientY; } catch (e) { return null; } - return coordsChar(cm, x - space.left, y - space.top); - } +// Draws a cursor for the given range +function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine) - var lastClick, lastDoubleClick; - function onMouseDown(e) { - if (signalDOMEvent(this, e)) return; - var cm = this, display = cm.display, doc = cm.doc, sel = doc.sel; - sel.shift = e.shiftKey; + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")) + cursor.style.left = pos.left + "px" + cursor.style.top = pos.top + "px" + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px" - if (eventInWidget(display, e)) { - if (!webkit) { - display.scroller.draggable = false; - setTimeout(function(){display.scroller.draggable = true;}, 100); - } - return; - } - if (clickInGutter(cm, e)) return; - var start = posFromMouse(cm, e); - - switch (e_button(e)) { - case 3: - if (captureMiddleClick) onContextMenu.call(cm, cm, e); - return; - case 2: - if (webkit) cm.state.lastMiddleDown = +new Date; - if (start) extendSelection(cm.doc, start); - setTimeout(bind(focusInput, cm), 20); - e_preventDefault(e); - return; - } - // For button 1, if it was clicked inside the editor - // (posFromMouse returning non-null), we have to adjust the - // selection. - if (!start) {if (e_target(e) == display.scroller) e_preventDefault(e); return;} - - if (!cm.state.focused) onFocus(cm); - - var now = +new Date, type = "single"; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { - type = "triple"; - e_preventDefault(e); - setTimeout(bind(focusInput, cm), 20); - selectLine(cm, start.line); - } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - e_preventDefault(e); - var word = findWordAt(getLine(doc, start.line).text, start); - extendSelection(cm.doc, word.from, word.to); - } else { lastClick = {time: now, pos: start}; } - - var last = start; - if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && !posEq(sel.from, sel.to) && - !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") { - var dragEnd = operation(cm, function(e2) { - if (webkit) display.scroller.draggable = false; - cm.state.draggingText = false; - off(document, "mouseup", dragEnd); - off(display.scroller, "drop", dragEnd); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - extendSelection(cm.doc, start); - focusInput(cm); - } - }); - // Let the drag handler handle this. - if (webkit) display.scroller.draggable = true; - cm.state.draggingText = dragEnd; - // IE's approach to draggable - if (display.scroller.dragDrop) display.scroller.dragDrop(); - on(document, "mouseup", dragEnd); - on(display.scroller, "drop", dragEnd); - return; - } - e_preventDefault(e); - if (type == "single") extendSelection(cm.doc, clipPos(doc, start)); - - var startstart = sel.from, startend = sel.to, lastPos = start; - - function doSelect(cur) { - if (posEq(lastPos, cur)) return; - lastPos = cur; - - if (type == "single") { - extendSelection(cm.doc, clipPos(doc, start), cur); - return; + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")) + otherCursor.style.display = "" + otherCursor.style.left = pos.other.left + "px" + otherCursor.style.top = pos.other.top + "px" + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px" + } +} + +// Draws the given range as a highlighted selection +function drawSelectionRange(cm, range, output) { + var display = cm.display, doc = cm.doc + var fragment = document.createDocumentFragment() + var padding = paddingH(cm.display), leftSide = padding.left + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right + + function add(left, top, width, bottom) { + if (top < 0) { top = 0 } + top = Math.round(top) + bottom = Math.round(bottom) + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))) + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line) + var lineLen = lineObj.text.length + var start, end + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias) + } + + iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir) { + var leftPos = coords(from, "left"), rightPos, left, right + if (from == to) { + rightPos = leftPos + left = right = leftPos.left + } else { + rightPos = coords(to - 1, "right") + if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp } + left = leftPos.left + right = rightPos.right } - - startstart = clipPos(doc, startstart); - startend = clipPos(doc, startend); - if (type == "double") { - var word = findWordAt(getLine(doc, cur.line).text, cur); - if (posLess(cur, startstart)) extendSelection(cm.doc, word.from, startend); - else extendSelection(cm.doc, startstart, word.to); - } else if (type == "triple") { - if (posLess(cur, startstart)) extendSelection(cm.doc, startend, clipPos(doc, Pos(cur.line, 0))); - else extendSelection(cm.doc, startstart, clipPos(doc, Pos(cur.line + 1, 0))); + if (fromArg == null && from == 0) { left = leftSide } + if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part + add(left, leftPos.top, null, leftPos.bottom) + left = leftSide + if (leftPos.bottom < rightPos.top) { add(left, leftPos.bottom, null, rightPos.top) } } - } - - var editorSize = getRect(display.wrapper); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; - - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true); - if (!cur) return; - if (!posEq(cur, last)) { - if (!cm.state.focused) onFocus(cm); - last = cur; - doSelect(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); + if (toArg == null && to == lineLen) { right = rightSide } + if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) + { start = leftPos } + if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) + { end = rightPos } + if (left < leftSide + 1) { left = leftSide } + add(left, rightPos.top, right - left, rightPos.bottom) + }) + return {start: start, end: end} + } + + var sFrom = range.from(), sTo = range.to() + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch) + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line) + var singleVLine = visualLine(fromLine) == visualLine(toLine) + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom) + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom) } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) setTimeout(operation(cm, function() { - if (counter != curCount) return; - display.scroller.scrollTop += outside; - extend(e); - }), 50); - } - } - - function done(e) { - counter = Infinity; - e_preventDefault(e); - focusInput(cm); - off(document, "mousemove", move); - off(document, "mouseup", up); - } - - var move = operation(cm, function(e) { - if (!ie && !e_button(e)) done(e); - else extend(e); - }); - var up = operation(cm, done); - on(document, "mousemove", move); - on(document, "mouseup", up); - } - - function gutterEvent(cm, e, type, prevent, signalfn) { - try { var mX = e.clientX, mY = e.clientY; } - catch(e) { return false; } - if (mX >= Math.floor(getRect(cm.display.gutters).right)) return false; - if (prevent) e_preventDefault(e); - - var display = cm.display; - var lineBox = getRect(display.lineDiv); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && getRect(g).right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.options.gutters[i]; - signalfn(cm, type, cm, line, gutter, e); - return e_defaultPrevented(e); + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom) } } - } - - function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) return false; - return gutterEvent(cm, e, "gutterContextMenu", false, signal); - } - - function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true, signalLater); - } - - // Kludge to work around strange IE behavior where it'll sometimes - // re-fire a series of drag-related events right after the drop (#1551) - var lastDrop = 0; - - function onDrop(e) { - var cm = this; - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e) || (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e)))) - return; - e_preventDefault(e); - if (ie) lastDrop = +new Date; - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || isReadOnly(cm)) return; - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - var reader = new FileReader; - reader.onload = function() { - text[i] = reader.result; - if (++read == n) { - pos = clipPos(cm.doc, pos); - makeChange(cm.doc, {from: pos, to: pos, text: splitLines(text.join("\n")), origin: "paste"}, "around"); - } - }; - reader.readAsText(file); - }; - for (var i = 0; i < n; ++i) loadFile(files[i], i); + if (leftEnd.bottom < rightStart.top) + { add(leftSide, leftEnd.bottom, null, rightStart.top) } + } + + output.appendChild(fragment) +} + +// Cursor-blinking +function restartBlink(cm) { + if (!cm.state.focused) { return } + var display = cm.display + clearInterval(display.blinker) + var on = true + display.cursorDiv.style.visibility = "" + if (cm.options.cursorBlinkRate > 0) + { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, + cm.options.cursorBlinkRate) } + else if (cm.options.cursorBlinkRate < 0) + { display.cursorDiv.style.visibility = "hidden" } +} + +function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm) } +} + +function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true + setTimeout(function () { if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false + onBlur(cm) + } }, 100) +} + +function onFocus(cm, e) { + if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false } + + if (cm.options.readOnly == "nocursor") { return } + if (!cm.state.focused) { + signal(cm, "focus", cm, e) + cm.state.focused = true + addClass(cm.display.wrapper, "CodeMirror-focused") + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset() + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20) } // Issue #1730 + } + cm.display.input.receivedFocus() + } + restartBlink(cm) +} +function onBlur(cm, e) { + if (cm.state.delayingBlurEvent) { return } + + if (cm.state.focused) { + signal(cm, "blur", cm, e) + cm.state.focused = false + rmClass(cm.display.wrapper, "CodeMirror-focused") + } + clearInterval(cm.display.blinker) + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false } }, 150) +} + +// Re-align line numbers and gutter marks to compensate for +// horizontal scrolling. +function alignHorizontally(cm) { + var display = cm.display, view = display.view + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft + var gutterW = display.gutters.offsetWidth, left = comp + "px" + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { + if (cm.options.fixedGutter) { + if (view[i].gutter) + { view[i].gutter.style.left = left } + if (view[i].gutterBackground) + { view[i].gutterBackground.style.left = left } + } + var align = view[i].alignable + if (align) { for (var j = 0; j < align.length; j++) + { align[j].style.left = left } } + } } + if (cm.options.fixedGutter) + { display.gutters.style.left = (comp + gutterW) + "px" } +} + +// Used to ensure that the line number gutter is still the right +// size for the current document size. Returns true when an update +// is needed. +function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) { return false } + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")) + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW + display.lineGutter.style.width = "" + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1 + display.lineNumWidth = display.lineNumInnerWidth + padding + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1 + display.lineGutter.style.width = display.lineNumWidth + "px" + updateGutterSpace(cm) + return true + } + return false +} + +// Read the actual heights of the rendered lines, and update their +// stored heights to match. +function updateHeightsInViewport(cm) { + var display = cm.display + var prevBottom = display.lineDiv.offsetTop + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], height = (void 0) + if (cur.hidden) { continue } + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight + height = bot - prevBottom + prevBottom = bot } else { - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && !(posLess(pos, cm.doc.sel.from) || posLess(cm.doc.sel.to, pos))) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(bind(focusInput, cm), 20); - return; - } - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - var curFrom = cm.doc.sel.from, curTo = cm.doc.sel.to; - setSelection(cm.doc, pos, pos); - if (cm.state.draggingText) replaceRange(cm.doc, "", curFrom, curTo, "paste"); - cm.replaceSelection(text, null, "paste"); - focusInput(cm); + var box = cur.node.getBoundingClientRect() + height = box.bottom - box.top + } + var diff = cur.line.height - height + if (height < 2) { height = textHeight(display) } + if (diff > .001 || diff < -.001) { + updateLineHeight(cur.line, height) + updateWidgetHeight(cur.line) + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) + { updateWidgetHeight(cur.rest[j]) } } + } + } +} + +// Read and store the height of line widgets associated with the +// given line. +function updateWidgetHeight(line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) + { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight } } +} + +// Compute the lines that are visible in a given viewport (defaults +// the the current scroll position). viewport may contain top, +// height, and ensure (see op.scrollToPos) properties. +function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop + top = Math.floor(top - paddingTop(display)) + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom) + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line + if (ensureFrom < from) { + from = ensureFrom + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight) + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight) + to = ensureTo + } + } + return {from: from, to: Math.max(to, from + 1)} +} + +// Sync the scrollable area and scrollbars, ensure the viewport +// covers the visible area. +function setScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) { return } + cm.doc.scrollTop = val + if (!gecko) { updateDisplaySimple(cm, {top: val}) } + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val } + cm.display.scrollbars.setScrollTop(val) + if (gecko) { updateDisplaySimple(cm) } + startWorker(cm, 100) +} +// Sync scroller and scrollbar, ensure the gutter elements are +// aligned. +function setScrollLeft(cm, val, isScroller) { + if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) { return } + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth) + cm.doc.scrollLeft = val + alignHorizontally(cm) + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val } + cm.display.scrollbars.setScrollLeft(val) +} + +// Since the delta values reported on mouse wheel events are +// unstandardized between browsers and even browser versions, and +// generally horribly unpredictable, this code starts by measuring +// the scroll effect that the first few mouse wheel events have, +// and, from that, detects the way it can convert deltas to pixel +// offsets afterwards. +// +// The reason we want to know the amount a wheel event will scroll +// is that it gives us a chance to update the display before the +// actual scrolling happens, reducing flickering. + +var wheelSamples = 0; +var wheelPixelsPerUnit = null; +// Fill in a browser-detected starting value on browsers where we +// know one. These don't have to be accurate -- the result of them +// being wrong would just be a slight flicker on the first wheel +// scroll (if it is large enough). +if (ie) { wheelPixelsPerUnit = -.53 } +else if (gecko) { wheelPixelsPerUnit = 15 } +else if (chrome) { wheelPixelsPerUnit = -.7 } +else if (safari) { wheelPixelsPerUnit = -1/3 } + +function wheelEventDelta(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail } + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail } + else if (dy == null) { dy = e.wheelDelta } + return {x: dx, y: dy} +} +function wheelEventPixels(e) { + var delta = wheelEventDelta(e) + delta.x *= wheelPixelsPerUnit + delta.y *= wheelPixelsPerUnit + return delta +} + +function onScrollWheel(cm, e) { + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y + + var display = cm.display, scroll = display.scroller + // Quit if there's nothing to scroll here + var canScrollX = scroll.scrollWidth > scroll.clientWidth + var canScrollY = scroll.scrollHeight > scroll.clientHeight + if (!(dx && canScrollX || dy && canScrollY)) { return } + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur + break outer } } - catch(e){} } } - function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; - - var txt = cm.getSelection(); - e.dataTransfer.setData("Text", txt); - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (opera) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (opera) img.parentNode.removeChild(img); - } - } - - function setScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) return; - cm.doc.scrollTop = val; - if (!gecko) updateDisplay(cm, [], val); - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; - if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val; - if (gecko) updateDisplay(cm, []); - startWorker(cm, 100); - } - function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; - if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val; - } - - // Since the delta values reported on mouse wheel events are - // unstandardized between browsers and even browser versions, and - // generally horribly unpredictable, this code starts by measuring - // the scroll effect that the first few mouse wheel events have, - // and, from that, detects the way it can convert deltas to pixel - // offsets afterwards. - // - // The reason we want to know the amount a wheel event will scroll - // is that it gives us a chance to update the display before the - // actual scrolling happens, reducing flickering. - - var wheelSamples = 0, wheelPixelsPerUnit = null; - // Fill in a browser-detected starting value on browsers where we - // know one. These don't have to be accurate -- the result of them - // being wrong would just be a slight flicker on the first wheel - // scroll (if it is large enough). - if (ie) wheelPixelsPerUnit = -.53; - else if (gecko) wheelPixelsPerUnit = 15; - else if (chrome) wheelPixelsPerUnit = -.7; - else if (safari) wheelPixelsPerUnit = -1/3; - - function onScrollWheel(cm, e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; - else if (dy == null) dy = e.wheelDelta; - - var display = cm.display, scroll = display.scroller; - // Quit if there's nothing to scroll here - if (!(dx && scroll.scrollWidth > scroll.clientWidth || - dy && scroll.scrollHeight > scroll.clientHeight)) return; - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - for (var cur = e.target; cur != scroll; cur = cur.parentNode) { - if (cur.lineObj) { - cm.display.currentWheelTarget = cur; - break; - } - } + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { + if (dy && canScrollY) + { setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))) } + setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))) + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + { e_preventDefault(e) } + display.wheelStartX = null // Abort measurement, if in progress + return + } + + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && wheelPixelsPerUnit != null) { + var pixels = dy * wheelPixelsPerUnit + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight + if (pixels < 0) { top = Math.max(0, top + pixels - 50) } + else { bot = Math.min(cm.doc.height, bot + pixels + 50) } + updateDisplaySimple(cm, {top: top, bottom: bot}) + } + + if (wheelSamples < 20) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop + display.wheelDX = dx; display.wheelDY = dy + setTimeout(function () { + if (display.wheelStartX == null) { return } + var movedX = scroll.scrollLeft - display.wheelStartX + var movedY = scroll.scrollTop - display.wheelStartY + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX) + display.wheelStartX = display.wheelStartY = null + if (!sample) { return } + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1) + ++wheelSamples + }, 200) + } else { + display.wheelDX += dx; display.wheelDY += dy + } + } +} + +// SCROLLBARS + +// Prepare DOM reads needed to update the scrollbars. Done in one +// shot to minimize update/measure roundtrips. +function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth + var docH = Math.round(cm.doc.height + paddingVert(cm.display)) + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + } +} + +var NativeScrollbars = function(place, scroll, cm) { + this.cm = cm + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar") + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar") + place(vert); place(horiz) + + on(vert, "scroll", function () { + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical") } + }) + on(horiz, "scroll", function () { + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal") } + }) + + this.checkedZeroWidth = false + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px" } +}; + +NativeScrollbars.prototype.update = function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1 + var needsV = measure.scrollHeight > measure.clientHeight + 1 + var sWidth = measure.nativeBarWidth + + if (needsV) { + this.vert.style.display = "block" + this.vert.style.bottom = needsH ? sWidth + "px" : "0" + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0) + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px" + } else { + this.vert.style.display = "" + this.vert.firstChild.style.height = "0" + } + + if (needsH) { + this.horiz.style.display = "block" + this.horiz.style.right = needsV ? sWidth + "px" : "0" + this.horiz.style.left = measure.barLeft + "px" + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0) + this.horiz.firstChild.style.width = + (measure.scrollWidth - measure.clientWidth + totalWidth) + "px" + } else { + this.horiz.style.display = "" + this.horiz.firstChild.style.width = "0" + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) { this.zeroWidthHack() } + this.checkedZeroWidth = true + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} +}; + +NativeScrollbars.prototype.setScrollLeft = function (pos) { + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos } + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz) } +}; + +NativeScrollbars.prototype.setScrollTop = function (pos) { + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos } + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert) } +}; + +NativeScrollbars.prototype.zeroWidthHack = function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px" + this.horiz.style.height = this.vert.style.width = w + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none" + this.disableHoriz = new Delayed + this.disableVert = new Delayed +}; + +NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay) { + bar.style.pointerEvents = "auto" + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // left corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect() + var elt = document.elementFromPoint(box.left + 1, box.bottom - 1) + if (elt != bar) { bar.style.pointerEvents = "none" } + else { delay.set(1000, maybeDisable) } + } + delay.set(1000, maybeDisable) +}; + +NativeScrollbars.prototype.clear = function () { + var parent = this.horiz.parentNode + parent.removeChild(this.horiz) + parent.removeChild(this.vert) +}; + +var NullScrollbars = function () {}; + +NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; +NullScrollbars.prototype.setScrollLeft = function () {}; +NullScrollbars.prototype.setScrollTop = function () {}; +NullScrollbars.prototype.clear = function () {}; + +function updateScrollbars(cm, measure) { + if (!measure) { measure = measureForScrollbars(cm) } + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight + updateScrollbarsInner(cm, measure) + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + { updateHeightsInViewport(cm) } + updateScrollbarsInner(cm, measureForScrollbars(cm)) + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight + } +} + +// Re-synchronize the fake scrollbars with the actual size of the +// content. +function updateScrollbarsInner(cm, measure) { + var d = cm.display + var sizes = d.scrollbars.update(measure) + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px" + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px" + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block" + d.scrollbarFiller.style.height = sizes.bottom + "px" + d.scrollbarFiller.style.width = sizes.right + "px" + } else { d.scrollbarFiller.style.display = "" } + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block" + d.gutterFiller.style.height = sizes.bottom + "px" + d.gutterFiller.style.width = measure.gutterWidth + "px" + } else { d.gutterFiller.style.display = "" } +} + +var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars} + +function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear() + if (cm.display.scrollbars.addClass) + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass) } + } + + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller) + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0) } + }) + node.setAttribute("cm-not-content", "true") + }, function (pos, axis) { + if (axis == "horizontal") { setScrollLeft(cm, pos) } + else { setScrollTop(cm, pos) } + }, cm) + if (cm.display.scrollbars.addClass) + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass) } +} + +// SCROLLING THINGS INTO VIEW + +// If an editor sits on the top or bottom of the window, partially +// scrolled out of view, this ensures that the cursor is visible. +function maybeScrollWindow(cm, coords) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null + if (coords.top + box.top < 0) { doScroll = true } + else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false } + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (coords.left) + "px; width: 2px;")) + cm.display.lineSpace.appendChild(scrollNode) + scrollNode.scrollIntoView(doScroll) + cm.display.lineSpace.removeChild(scrollNode) + } +} + +// Scroll a given position into view (immediately), verifying that +// it actually became visible (as line heights are accurately +// measured, the position of something may 'drift' during drawing). +function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) { margin = 0 } + var coords + for (var limit = 0; limit < 5; limit++) { + var changed = false + coords = cursorCoords(cm, pos) + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end) + var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), + Math.min(coords.top, endCoords.top) - margin, + Math.max(coords.left, endCoords.left), + Math.max(coords.bottom, endCoords.bottom) + margin) + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft + if (scrollPos.scrollTop != null) { + setScrollTop(cm, scrollPos.scrollTop) + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true } + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft) + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true } + } + if (!changed) { break } + } + return coords +} + +// Scroll a given set of coordinates into view (immediately). +function scrollIntoView(cm, x1, y1, x2, y2) { + var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2) + if (scrollPos.scrollTop != null) { setScrollTop(cm, scrollPos.scrollTop) } + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft) } +} + +// Calculate a new scroll position needed to scroll the given +// rectangle into view. Returns an object with scrollTop and +// scrollLeft properties. When these are undefined, the +// vertical/horizontal position does not need to be adjusted. +function calculateScrollPos(cm, x1, y1, x2, y2) { + var display = cm.display, snapMargin = textHeight(cm.display) + if (y1 < 0) { y1 = 0 } + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop + var screen = displayHeight(cm), result = {} + if (y2 - y1 > screen) { y2 = y1 + screen } + var docBottom = cm.doc.height + paddingVert(display) + var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin + if (y1 < screentop) { + result.scrollTop = atTop ? 0 : y1 + } else if (y2 > screentop + screen) { + var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen) + if (newTop != screentop) { result.scrollTop = newTop } + } + + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0) + var tooWide = x2 - x1 > screenw + if (tooWide) { x2 = x1 + screenw } + if (x1 < 10) + { result.scrollLeft = 0 } + else if (x1 < screenleft) + { result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)) } + else if (x2 > screenw + screenleft - 3) + { result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw } + return result +} + +// Store a relative adjustment to the scroll position in the current +// operation (to be applied when the operation finishes). +function addToScrollPos(cm, left, top) { + if (left != null || top != null) { resolveScrollToPos(cm) } + if (left != null) + { cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left } + if (top != null) + { cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top } +} + +// Make sure that at the end of the operation the current cursor is +// shown. +function ensureCursorVisible(cm) { + resolveScrollToPos(cm) + var cur = cm.getCursor(), from = cur, to = cur + if (!cm.options.lineWrapping) { + from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur + to = Pos(cur.line, cur.ch + 1) + } + cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true} +} + +// When an operation has its scrollToPos property set, and another +// scroll action is applied before the end of the operation, this +// 'simulates' scrolling that position into view in a cheap way, so +// that the effect of intermediate scroll commands is not ignored. +function resolveScrollToPos(cm) { + var range = cm.curOp.scrollToPos + if (range) { + cm.curOp.scrollToPos = null + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to) + var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), + Math.min(from.top, to.top) - range.margin, + Math.max(from.right, to.right), + Math.max(from.bottom, to.bottom) + range.margin) + cm.scrollTo(sPos.scrollLeft, sPos.scrollTop) + } +} + +// Operations are used to wrap a series of changes to the editor +// state in such a way that each change won't have to update the +// cursor and display (which would be awkward, slow, and +// error-prone). Instead, display updates are batched and then all +// combined and executed at once. + +var nextOpId = 0 +// Start a new operation. +function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: null, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId // Unique ID + } + pushOperation(cm.curOp) +} + +// Finish an operation, updating the display and signalling delayed events +function endOperation(cm) { + var op = cm.curOp + finishOperation(op, function (group) { + for (var i = 0; i < group.ops.length; i++) + { group.ops[i].cm.curOp = null } + endOperations(group) + }) +} + +// The DOM updates done when an operation finishes are batched so +// that the minimum number of relayouts are required. +function endOperations(group) { + var ops = group.ops + for (var i = 0; i < ops.length; i++) // Read DOM + { endOperation_R1(ops[i]) } + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) + { endOperation_W1(ops[i$1]) } + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM + { endOperation_R2(ops[i$2]) } + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) + { endOperation_W2(ops[i$3]) } + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM + { endOperation_finish(ops[i$4]) } +} + +function endOperation_R1(op) { + var cm = op.cm, display = cm.display + maybeClipScrollbars(cm) + if (op.updateMaxLine) { findMaxLine(cm) } + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate) +} + +function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update) +} + +function endOperation_R2(op) { + var cm = op.cm, display = cm.display + if (op.updatedDisplay) { updateHeightsInViewport(cm) } + + op.barMeasure = measureForScrollbars(cm) + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3 + cm.display.sizerWidth = op.adjustWidthTo + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth) + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)) + } + + if (op.updatedDisplay || op.selectionChanged) + { op.preparedSelection = display.input.prepareSelection(op.focus) } +} + +function endOperation_W2(op) { + var cm = op.cm + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px" + if (op.maxScrollLeft < cm.doc.scrollLeft) + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true) } + cm.display.maxLineChanged = false + } + + var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) + if (op.preparedSelection) + { cm.display.input.showSelection(op.preparedSelection, takeFocus) } + if (op.updatedDisplay || op.startHeight != cm.doc.height) + { updateScrollbars(cm, op.barMeasure) } + if (op.updatedDisplay) + { setDocumentHeight(cm, op.barMeasure) } + + if (op.selectionChanged) { restartBlink(cm) } + + if (cm.state.focused && op.updateInput) + { cm.display.input.reset(op.typing) } + if (takeFocus) { ensureFocus(op.cm) } +} + +function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc + + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update) } + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + { display.wheelStartX = display.wheelStartY = null } + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { + doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)) + display.scrollbars.setScrollTop(doc.scrollTop) + display.scroller.scrollTop = doc.scrollTop + } + if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { + doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)) + display.scrollbars.setScrollLeft(doc.scrollLeft) + display.scroller.scrollLeft = doc.scrollLeft + alignHorizontally(cm) + } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin) + if (op.scrollToPos.isCursor && cm.state.focused) { maybeScrollWindow(cm, coords) } + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers + if (hidden) { for (var i = 0; i < hidden.length; ++i) + { if (!hidden[i].lines.length) { signal(hidden[i], "hide") } } } + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide") } } } + + if (display.wrapper.offsetHeight) + { doc.scrollTop = cm.display.scroller.scrollTop } + + // Fire change events, and delayed event handlers + if (op.changeObjs) + { signal(cm, "changes", cm, op.changeObjs) } + if (op.update) + { op.update.finish() } +} + +// Run the given function in an operation +function runInOp(cm, f) { + if (cm.curOp) { return f() } + startOperation(cm) + try { return f() } + finally { endOperation(cm) } +} +// Wraps a function in an operation. Returns the wrapped function. +function operation(cm, f) { + return function() { + if (cm.curOp) { return f.apply(cm, arguments) } + startOperation(cm) + try { return f.apply(cm, arguments) } + finally { endOperation(cm) } + } +} +// Used to add methods to editor and doc instances, wrapping them in +// operations. +function methodOp(f) { + return function() { + if (this.curOp) { return f.apply(this, arguments) } + startOperation(this) + try { return f.apply(this, arguments) } + finally { endOperation(this) } + } +} +function docMethodOp(f) { + return function() { + var cm = this.cm + if (!cm || cm.curOp) { return f.apply(this, arguments) } + startOperation(cm) + try { return f.apply(this, arguments) } + finally { endOperation(cm) } + } +} + +// Updates the display.view data structure for a given change to the +// document. From and to are in pre-change coordinates. Lendiff is +// the amount of lines added or subtracted by the change. This is +// used for changes that span multiple lines, or change the way +// lines are divided into visual lines. regLineChange (below) +// registers single-line changes. +function regChange(cm, from, to, lendiff) { + if (from == null) { from = cm.doc.first } + if (to == null) { to = cm.doc.first + cm.doc.size } + if (!lendiff) { lendiff = 0 } + + var display = cm.display + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + { display.updateLineNumbers = from } + + cm.curOp.viewChanged = true + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + { resetView(cm) } + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm) + } else { + display.viewFrom += lendiff + display.viewTo += lendiff + } + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm) + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1) + if (cut) { + display.view = display.view.slice(cut.index) + display.viewFrom = cut.lineN + display.viewTo += lendiff + } else { + resetView(cm) } - - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !opera && wheelPixelsPerUnit != null) { - if (dy) - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); - e_preventDefault(e); - display.wheelStartX = null; // Abort measurement, if in progress - return; - } - - if (dy && wheelPixelsPerUnit != null) { - var pixels = dy * wheelPixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) top = Math.max(0, top + pixels - 50); - else bot = Math.min(cm.doc.height, bot + pixels + 50); - updateDisplay(cm, [], {top: top, bottom: bot}); - } - - if (wheelSamples < 20) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function() { - if (display.wheelStartX == null) return; - var movedX = scroll.scrollLeft - display.wheelStartX; - var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX); - display.wheelStartX = display.wheelStartY = null; - if (!sample) return; - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); - ++wheelSamples; - }, 200); - } else { - display.wheelDX += dx; display.wheelDY += dy; + } else if (to >= display.viewTo) { // Bottom overlap + var cut$1 = viewCuttingPoint(cm, from, from, -1) + if (cut$1) { + display.view = display.view.slice(0, cut$1.index) + display.viewTo = cut$1.lineN + } else { + resetView(cm) + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1) + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1) + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)) + display.viewTo += lendiff + } else { + resetView(cm) + } + } + + var ext = display.externalMeasured + if (ext) { + if (to < ext.lineN) + { ext.lineN += lendiff } + else if (from < ext.lineN + ext.size) + { display.externalMeasured = null } + } +} + +// Register a change to a single line. Type must be one of "text", +// "gutter", "class", "widget" +function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true + var display = cm.display, ext = cm.display.externalMeasured + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + { display.externalMeasured = null } + + if (line < display.viewFrom || line >= display.viewTo) { return } + var lineView = display.view[findViewIndex(cm, line)] + if (lineView.node == null) { return } + var arr = lineView.changes || (lineView.changes = []) + if (indexOf(arr, type) == -1) { arr.push(type) } +} + +// Clear the view. +function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first + cm.display.view = [] + cm.display.viewOffset = 0 +} + +function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + { return {index: index, lineN: newN} } + var n = cm.display.viewFrom + for (var i = 0; i < index; i++) + { n += view[i].size } + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) { return null } + diff = (n + view[index].size) - oldN + index++ + } else { + diff = n - oldN + } + oldN += diff; newN += diff + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) { return null } + newN += dir * view[index - (dir < 0 ? 1 : 0)].size + index += dir + } + return {index: index, lineN: newN} +} + +// Force the view to cover a given range, adding empty view element +// or clipping off existing ones as needed. +function adjustView(cm, from, to) { + var display = cm.display, view = display.view + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to) + display.viewFrom = from + } else { + if (display.viewFrom > from) + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view) } + else if (display.viewFrom < from) + { display.view = display.view.slice(findViewIndex(cm, from)) } + display.viewFrom = from + if (display.viewTo < to) + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)) } + else if (display.viewTo > to) + { display.view = display.view.slice(0, findViewIndex(cm, to)) } + } + display.viewTo = to +} + +// Count the number of lines in the view whose DOM representation is +// out of date (or nonexistent). +function countDirtyView(cm) { + var view = cm.display.view, dirty = 0 + for (var i = 0; i < view.length; i++) { + var lineView = view[i] + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty } + } + return dirty +} + +// HIGHLIGHT WORKER + +function startWorker(cm, time) { + if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) + { cm.state.highlight.set(time, bind(highlightWorker, cm)) } +} + +function highlightWorker(cm) { + var doc = cm.doc + if (doc.frontier < doc.first) { doc.frontier = doc.first } + if (doc.frontier >= cm.display.viewTo) { return } + var end = +new Date + cm.options.workTime + var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)) + var changedLines = [] + + doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { + if (doc.frontier >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength + var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true) + line.styles = highlighted.styles + var oldCls = line.styleClasses, newCls = highlighted.classes + if (newCls) { line.styleClasses = newCls } + else if (oldCls) { line.styleClasses = null } + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass) + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i] } + if (ischange) { changedLines.push(doc.frontier) } + line.stateAfter = tooLong ? state : copyState(doc.mode, state) + } else { + if (line.text.length <= cm.options.maxHighlightLength) + { processLine(cm, line.text, state) } + line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null + } + ++doc.frontier + if (+new Date > end) { + startWorker(cm, cm.options.workDelay) + return true + } + }) + if (changedLines.length) { runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + { regLineChange(cm, changedLines[i], "text") } + }) } +} + +// DISPLAY DRAWING + +var DisplayUpdate = function(cm, viewport, force) { + var display = cm.display + + this.viewport = viewport + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport) + this.editorIsHidden = !display.wrapper.offsetWidth + this.wrapperHeight = display.wrapper.clientHeight + this.wrapperWidth = display.wrapper.clientWidth + this.oldDisplayWidth = displayWidth(cm) + this.force = force + this.dims = getDimensions(cm) + this.events = [] +}; + +DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) + { this.events.push(arguments) } +}; +DisplayUpdate.prototype.finish = function () { + var this$1 = this; + + for (var i = 0; i < this.events.length; i++) + { signal.apply(null, this$1.events[i]) } +}; + +function maybeClipScrollbars(cm) { + var display = cm.display + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth + display.heightForcer.style.height = scrollGap(cm) + "px" + display.sizer.style.marginBottom = -display.nativeBarWidth + "px" + display.sizer.style.borderRightWidth = scrollGap(cm) + "px" + display.scrollbarsClipped = true + } +} + +// Does the actual updating of the line display. Bails out +// (returning false) when there is nothing to be done and forced is +// false. +function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc + + if (update.editorIsHidden) { + resetView(cm) + return false + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + { return false } + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm) + update.dims = getDimensions(cm) + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first) + var to = Math.min(end, update.visible.to + cm.options.viewportMargin) + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom) } + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo) } + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from) + to = visualLineEndNo(cm.doc, to) + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth + adjustView(cm, from, to) + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)) + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px" + + var toUpdate = countDirtyView(cm) + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + { return false } + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var focused = activeElt() + if (toUpdate > 4) { display.lineDiv.style.display = "none" } + patchDisplay(cm, display.updateLineNumbers, update.dims) + if (toUpdate > 4) { display.lineDiv.style.display = "" } + display.renderedView = display.view + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + if (focused && activeElt() != focused && focused.offsetHeight) { focused.focus() } + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv) + removeChildren(display.selectionDiv) + display.gutters.style.height = display.sizer.style.minHeight = 0 + + if (different) { + display.lastWrapHeight = update.wrapperHeight + display.lastWrapWidth = update.wrapperWidth + startWorker(cm, 400) + } + + display.updateLineNumbers = null + + return true +} + +function postUpdateDisplay(cm, update) { + var viewport = update.viewport + + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)} } + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport) + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + { break } + } + if (!updateDisplayIfNeeded(cm, update)) { break } + updateHeightsInViewport(cm) + var barMeasure = measureForScrollbars(cm) + updateSelection(cm) + updateScrollbars(cm, barMeasure) + setDocumentHeight(cm, barMeasure) + } + + update.signal(cm, "update", cm) + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo) + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo + } +} + +function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport) + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm) + postUpdateDisplay(cm, update) + var barMeasure = measureForScrollbars(cm) + updateSelection(cm) + updateScrollbars(cm, barMeasure) + setDocumentHeight(cm, barMeasure) + update.finish() + } +} + +// Sync the actual display DOM structure with display.view, removing +// nodes for lines that are no longer in view, and creating the ones +// that are not there yet, and updating the ones that are out of +// date. +function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers + var container = display.lineDiv, cur = container.firstChild + + function rm(node) { + var next = node.nextSibling + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + { node.style.display = "none" } + else + { node.parentNode.removeChild(node) } + return next + } + + var view = display.view, lineN = display.viewFrom + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i] + if (lineView.hidden) { + } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims) + container.insertBefore(node, cur) + } else { // Already drawn + while (cur != lineView.node) { cur = rm(cur) } + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false } + updateLineForChanges(cm, lineView, lineN, dims) } - } - } - - function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false; - var doc = cm.doc, prevShift = doc.sel.shift, done = false; - try { - if (isReadOnly(cm)) cm.state.suppressEdits = true; - if (dropShift) doc.sel.shift = false; - done = bound(cm) != Pass; - } finally { - doc.sel.shift = prevShift; - cm.state.suppressEdits = false; - } - return done; - } - - function allKeyMaps(cm) { - var maps = cm.state.keyMaps.slice(0); - if (cm.options.extraKeys) maps.push(cm.options.extraKeys); - maps.push(cm.options.keyMap); - return maps; - } - - var maybeTransition; - function handleKeyBinding(cm, e) { - // Handle auto keymap transitions - var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto; - clearTimeout(maybeTransition); - if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { - if (getKeyMap(cm.options.keyMap) == startMap) { - cm.options.keyMap = (next.call ? next.call(null, cm) : next); - keyMapChanged(cm); + if (updateNumber) { + removeChildren(lineView.lineNumber) + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))) } - }, 50); - - var name = keyName(e, true), handled = false; - if (!name) return false; - var keymaps = allKeyMaps(cm); - - if (e.shiftKey) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - handled = lookupKey("Shift-" + name, keymaps, function(b) {return doHandleBinding(cm, b, true);}) - || lookupKey(name, keymaps, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); + cur = lineView.node.nextSibling + } + lineN += lineView.size + } + while (cur) { cur = rm(cur) } +} + +function updateGutterSpace(cm) { + var width = cm.display.gutters.offsetWidth + cm.display.sizer.style.marginLeft = width + "px" +} + +function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px" + cm.display.heightForcer.style.top = measure.docHeight + "px" + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px" +} + +// Rebuild the gutter elements, ensure the margin to the left of the +// code matches their width. +function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters + removeChildren(gutters) + var i = 0 + for (; i < specs.length; ++i) { + var gutterClass = specs[i] + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)) + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt + gElt.style.width = (cm.display.lineNumWidth || 1) + "px" + } + } + gutters.style.display = i ? "" : "none" + updateGutterSpace(cm) +} + +// Make sure the gutters options contains the element +// "CodeMirror-linenumbers" when the lineNumbers option is true. +function setGuttersForLineNumbers(options) { + var found = indexOf(options.gutters, "CodeMirror-linenumbers") + if (found == -1 && options.lineNumbers) { + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]) + } else if (found > -1 && !options.lineNumbers) { + options.gutters = options.gutters.slice(0) + options.gutters.splice(found, 1) + } +} + +// Selection objects are immutable. A new one is created every time +// the selection changes. A selection is one or more non-overlapping +// (and non-touching) ranges, sorted, and an integer that indicates +// which one is the primary selection (the one that's scrolled into +// view, that getCursor returns, etc). +function Selection(ranges, primIndex) { + this.ranges = ranges + this.primIndex = primIndex +} + +Selection.prototype = { + primary: function() { return this.ranges[this.primIndex] }, + equals: function(other) { + var this$1 = this; + + if (other == this) { return true } + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } + for (var i = 0; i < this.ranges.length; i++) { + var here = this$1.ranges[i], there = other.ranges[i] + if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) { return false } + } + return true + }, + deepCopy: function() { + var this$1 = this; + + var out = [] + for (var i = 0; i < this.ranges.length; i++) + { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)) } + return new Selection(out, this.primIndex) + }, + somethingSelected: function() { + var this$1 = this; + + for (var i = 0; i < this.ranges.length; i++) + { if (!this$1.ranges[i].empty()) { return true } } + return false + }, + contains: function(pos, end) { + var this$1 = this; + + if (!end) { end = pos } + for (var i = 0; i < this.ranges.length; i++) { + var range = this$1.ranges[i] + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + { return i } + } + return -1 + } +} + +function Range(anchor, head) { + this.anchor = anchor; this.head = head +} + +Range.prototype = { + from: function() { return minPos(this.anchor, this.head) }, + to: function() { return maxPos(this.anchor, this.head) }, + empty: function() { + return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch + } +} + +// Take an unsorted, potentially overlapping set of ranges, and +// build a selection out of it. 'Consumes' ranges array (modifying +// it). +function normalizeSelection(ranges, primIndex) { + var prim = ranges[primIndex] + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }) + primIndex = indexOf(ranges, prim) + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1] + if (cmp(prev.to(), cur.from()) >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()) + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head + if (i <= primIndex) { --primIndex } + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)) + } + } + return new Selection(ranges, primIndex) +} + +function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0) +} + +// Compute the position of the end of a change (its 'to' property +// refers to the pre-change end). +function changeEnd(change) { + if (!change.text) { return change.to } + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) +} + +// Adjust a position to refer to the post-change position of the +// same text, or the end of the change if the change covers it. +function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) { return pos } + if (cmp(pos, change.to) <= 0) { return changeEnd(change) } + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch } + return Pos(line, ch) +} + +function computeSelAfterChange(doc, change) { + var out = [] + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i] + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))) + } + return normalizeSelection(out, doc.sel.primIndex) +} + +function offsetPos(pos, old, nw) { + if (pos.line == old.line) + { return Pos(nw.line, pos.ch - old.ch + nw.ch) } + else + { return Pos(nw.line + (pos.line - old.line), pos.ch) } +} + +// Used by replaceSelections to allow moving the selection to the +// start or around the replaced test. Hint may be "start" or "around". +function computeReplacedSel(doc, changes, hint) { + var out = [] + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev + for (var i = 0; i < changes.length; i++) { + var change = changes[i] + var from = offsetPos(change.from, oldPrev, newPrev) + var to = offsetPos(changeEnd(change), oldPrev, newPrev) + oldPrev = change.to + newPrev = to + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0 + out[i] = new Range(inv ? to : from, inv ? from : to) + } else { + out[i] = new Range(from, from) + } + } + return new Selection(out, doc.sel.primIndex) +} + +// Used to get the editor into a consistent state again when options change. + +function loadMode(cm) { + cm.doc.mode = getMode(cm.options, cm.doc.modeOption) + resetModeState(cm) +} + +function resetModeState(cm) { + cm.doc.iter(function (line) { + if (line.stateAfter) { line.stateAfter = null } + if (line.styles) { line.styles = null } + }) + cm.doc.frontier = cm.doc.first + startWorker(cm, 100) + cm.state.modeGen++ + if (cm.curOp) { regChange(cm) } +} + +// DOCUMENT DATA STRUCTURE + +// By default, updates that start and end at the beginning of a line +// are treated specially, in order to make the association of line +// widgets and marker elements with the text behave more intuitive. +function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) +} + +// Perform a change on the document data structure. +function updateDoc(doc, change, markedSpans, estimateHeight) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight) + signalLater(line, "change", line, change) + } + function linesFor(start, end) { + var result = [] + for (var i = start; i < end; ++i) + { result.push(new Line(text[i], spansFor(i), estimateHeight)) } + return result + } + + var from = change.from, to = change.to, text = change.text + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line) + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)) + doc.remove(text.length, doc.size - text.length) + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1) + update(lastLine, lastLine.text, lastSpans) + if (nlines) { doc.remove(from.line, nlines) } + if (added.length) { doc.insert(from.line, added) } + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans) + } else { + var added$1 = linesFor(1, text.length - 1) + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)) + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)) + doc.insert(from.line + 1, added$1) + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)) + doc.remove(from.line + 1, nlines) + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)) + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans) + var added$2 = linesFor(1, text.length - 1) + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1) } + doc.insert(from.line + 1, added$2) + } + + signalLater(doc, "change", doc, change) +} + +// Call f for all linked documents. +function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i] + if (rel.doc == skip) { continue } + var shared = sharedHist && rel.sharedHist + if (sharedHistOnly && !shared) { continue } + f(rel.doc, shared) + propagate(rel.doc, doc, shared) + } } + } + propagate(doc, null, true) +} + +// Attach a document to an editor. +function attachDoc(cm, doc) { + if (doc.cm) { throw new Error("This document is already in use.") } + cm.doc = doc + doc.cm = cm + estimateLineHeights(cm) + loadMode(cm) + if (!cm.options.lineWrapping) { findMaxLine(cm) } + cm.options.mode = doc.modeOption + regChange(cm) +} + +function History(startGen) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = [] + this.undoDepth = Infinity + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0 + this.lastOp = this.lastSelOp = null + this.lastOrigin = this.lastSelOrigin = null + // Used by the isClean() method + this.generation = this.maxGeneration = startGen || 1 +} + +// Create a history change event from an updateDoc-style change +// object. +function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)} + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1) + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true) + return histChange +} + +// Pop all selection events off the end of a history array. Stop at +// a change event. +function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array) + if (last.ranges) { array.pop() } + else { break } + } +} + +// Find the top change event in the history. Pop off selection +// events that are in the way. +function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done) + return lst(hist.done) + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done) + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop() + return lst(hist.done) + } +} + +// Register a change in the history. Merges changes that are within +// a single operation, or are close together with an origin that +// allows merging (starting with "+") into a single event. +function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history + hist.undone.length = 0 + var time = +new Date, cur + var last + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + last = lst(cur.changes) + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change) } else { - handled = lookupKey(name, keymaps, function(b) { return doHandleBinding(cm, b); }); - } - - if (handled) { - e_preventDefault(e); - restartBlink(cm); - if (ie_lt9) { e.oldKeyCode = e.keyCode; e.keyCode = 0; } - signalLater(cm, "keyHandled", cm, name, e); - } - return handled; - } - - function handleCharBinding(cm, e, ch) { - var handled = lookupKey("'" + ch + "'", allKeyMaps(cm), - function(b) { return doHandleBinding(cm, b, true); }); - if (handled) { - e_preventDefault(e); - restartBlink(cm); - signalLater(cm, "keyHandled", cm, "'" + ch + "'", e); - } - return handled; - } - - var lastStoppedKey = null; - function onKeyDown(e) { - var cm = this; - if (!cm.state.focused) onFocus(cm); - if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return; - if (ie && e.keyCode == 27) e.returnValue = false; - var code = e.keyCode; - // IE does strange things with escape. - cm.doc.sel.shift = code == 16 || e.shiftKey; - // First give onKeyEvent option a chance to handle this. - var handled = handleKeyBinding(cm, e); - if (opera) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - cm.replaceSelection(""); - } - } - - function onKeyPress(e) { - var cm = this; - if (signalDOMEvent(cm, e) || cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return; - var keyCode = e.keyCode, charCode = e.charCode; - if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (this.options.electricChars && this.doc.mode.electricChars && - this.options.smartIndent && !isReadOnly(this) && - this.doc.mode.electricChars.indexOf(ch) > -1) - setTimeout(operation(cm, function() {indentLine(cm, cm.doc.sel.to.line, "smart");}), 75); - if (handleCharBinding(cm, e, ch)) return; - if (ie && !ie_lt9) cm.display.inputHasSelection = null; - fastPoll(cm); - } - - function onFocus(cm) { - if (cm.options.readOnly == "nocursor") return; - if (!cm.state.focused) { - signal(cm, "focus", cm); - cm.state.focused = true; - if (cm.display.wrapper.className.search(/\bCodeMirror-focused\b/) == -1) - cm.display.wrapper.className += " CodeMirror-focused"; - if (!cm.curOp) { - resetInput(cm, true); - if (webkit) setTimeout(bind(resetInput, cm, true), 0); // Issue #1730 + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)) + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done) + if (!before || !before.ranges) + { pushSelectionToHistory(doc.sel, hist.done) } + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation} + hist.done.push(cur) + while (hist.done.length > hist.undoDepth) { + hist.done.shift() + if (!hist.done[0].ranges) { hist.done.shift() } + } + } + hist.done.push(selAfter) + hist.generation = ++hist.maxGeneration + hist.lastModTime = hist.lastSelTime = time + hist.lastOp = hist.lastSelOp = opId + hist.lastOrigin = hist.lastSelOrigin = change.origin + + if (!last) { signal(doc, "historyAdded") } +} + +function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0) + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) +} + +// Called whenever the selection changes, sets the new selection as +// the pending selection in the history, and pushes the old pending +// selection into the 'done' array when it was significantly +// different (in number of selected ranges, emptiness, or time). +function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + { hist.done[hist.done.length - 1] = sel } + else + { pushSelectionToHistory(sel, hist.done) } + + hist.lastSelTime = +new Date + hist.lastSelOrigin = origin + hist.lastSelOp = opId + if (options && options.clearRedo !== false) + { clearSelectionEvents(hist.undone) } +} + +function pushSelectionToHistory(sel, dest) { + var top = lst(dest) + if (!(top && top.ranges && top.equals(sel))) + { dest.push(sel) } +} + +// Used to store marked span information in the history. +function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0 + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { + if (line.markedSpans) + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans } + ++n + }) +} + +// When un/re-doing restores text containing marked spans, those +// that have been explicitly cleared should not be restored. +function removeClearedSpans(spans) { + if (!spans) { return null } + var out + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i) } } + else if (out) { out.push(spans[i]) } + } + return !out ? spans : out.length ? out : null +} + +// Retrieve and filter the old marked spans stored in a change event. +function getOldSpans(doc, change) { + var found = change["spans_" + doc.id] + if (!found) { return null } + var nw = [] + for (var i = 0; i < change.text.length; ++i) + { nw.push(removeClearedSpans(found[i])) } + return nw +} + +// Used for un/re-doing changes from the history. Combines the +// result of computing the existing spans with the set of spans that +// existed in the history (so that deleting around a span and then +// undoing brings back the span). +function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change) + var stretched = stretchSpansOverChange(doc, change) + if (!old) { return stretched } + if (!stretched) { return old } + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i] + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j] + for (var k = 0; k < oldCur.length; ++k) + { if (oldCur[k].marker == span.marker) { continue spans } } + oldCur.push(span) } - } - slowPoll(cm); - restartBlink(cm); - } - function onBlur(cm) { - if (cm.state.focused) { - signal(cm, "blur", cm); - cm.state.focused = false; - cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-focused", ""); - } - clearInterval(cm.display.blinker); - setTimeout(function() {if (!cm.state.focused) cm.doc.sel.shift = false;}, 150); - } - - var detectingSelectAll; - function onContextMenu(cm, e) { - if (signalDOMEvent(cm, e, "contextmenu")) return; - var display = cm.display, sel = cm.doc.sel; - if (eventInWidget(display, e) || contextMenuInGutter(cm, e)) return; - - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || opera) return; // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))) - operation(cm, setSelection)(cm.doc, pos, pos); - - var oldCSS = display.input.style.cssText; - display.inputDiv.style.position = "absolute"; - display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + - "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; outline: none;" + - "border-width: 0; outline: none; overflow: hidden; opacity: .05; -ms-opacity: .05; filter: alpha(opacity=5);"; - focusInput(cm); - resetInput(cm, true); - // Adds "Select all" to context menu in FF - if (posEq(sel.from, sel.to)) display.input.value = display.prevInput = " "; - - function prepareSelectAllHack() { - if (display.input.selectionStart != null) { - var extval = display.input.value = "\u200b" + (posEq(sel.from, sel.to) ? "" : display.input.value); - display.prevInput = "\u200b"; - display.input.selectionStart = 1; display.input.selectionEnd = extval.length; + } else if (stretchCur) { + old[i] = stretchCur + } + } + return old +} + +// Used both to provide a JSON-safe object in .getHistory, and, when +// detaching a document, to split the history in two +function copyHistoryArray(events, newGroup, instantiateSel) { + var copy = [] + for (var i = 0; i < events.length; ++i) { + var event = events[i] + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event) + continue + } + var changes = event.changes, newChanges = [] + copy.push({changes: newChanges}) + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m = (void 0) + newChanges.push({from: change.from, to: change.to, text: change.text}) + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop] + delete change[prop] + } + } } } + } + } + return copy +} + +// The 'scroll' parameter given to many of these indicated whether +// the new cursor position should be scrolled into view after +// modifying the selection. + +// If shift is held or the extend flag is set, extends a range to +// include a given position (and optionally a second position). +// Otherwise, simply returns the range between the given positions. +// Used for cursor motion and such. +function extendRange(doc, range, head, other) { + if (doc.cm && doc.cm.display.shift || doc.extend) { + var anchor = range.anchor + if (other) { + var posBefore = cmp(head, anchor) < 0 + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head + head = other + } else if (posBefore != (cmp(head, other) < 0)) { + head = other } } - function rehide() { - display.inputDiv.style.position = "relative"; - display.input.style.cssText = oldCSS; - if (ie_lt9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos; - slowPoll(cm); - - // Try to detect the user choosing select-all - if (display.input.selectionStart != null) { - if (!ie || ie_lt9) prepareSelectAllHack(); - clearTimeout(detectingSelectAll); - var i = 0, poll = function(){ - if (display.prevInput == " " && display.input.selectionStart == 0) - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500); - else resetInput(cm); - }; - detectingSelectAll = setTimeout(poll, 200); + return new Range(anchor, head) + } else { + return new Range(other || head, head) + } +} + +// Extend the primary selection range, discard the rest. +function extendSelection(doc, head, other, options) { + setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options) +} + +// Extend all selections (pos is an array of selections with length +// equal the number of selections) +function extendSelections(doc, heads, options) { + var out = [] + for (var i = 0; i < doc.sel.ranges.length; i++) + { out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null) } + var newSel = normalizeSelection(out, doc.sel.primIndex) + setSelection(doc, newSel, options) +} + +// Updates a single range in the selection. +function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0) + ranges[i] = range + setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options) +} + +// Reset the selection to a single range. +function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options) +} + +// Give beforeSelectionChange handlers a change to influence a +// selection update. +function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + var this$1 = this; + + this.ranges = [] + for (var i = 0; i < ranges.length; i++) + { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)) } + }, + origin: options && options.origin + } + signal(doc, "beforeSelectionChange", doc, obj) + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj) } + if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) } + else { return sel } +} + +function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done) + if (last && last.ranges) { + done[done.length - 1] = sel + setSelectionNoUndo(doc, sel, options) + } else { + setSelection(doc, sel, options) + } +} + +// Set a new selection. +function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options) + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options) +} + +function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + { sel = filterSelectionChange(doc, sel, options) } + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1) + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)) + + if (!(options && options.scroll === false) && doc.cm) + { ensureCursorVisible(doc.cm) } +} + +function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) { return } + + doc.sel = sel + + if (doc.cm) { + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true + signalCursorActivity(doc.cm) + } + signalLater(doc, "cursorActivity", doc) +} + +// Verify that the selection does not partially select any atomic +// marked ranges. +function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll) +} + +// Return a selection that does not partially select any atomic +// ranges. +function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i] + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i] + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear) + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear) + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) { out = sel.ranges.slice(0, i) } + out[i] = new Range(newAnchor, newHead) + } + } + return out ? normalizeSelection(out, sel.primIndex) : sel +} + +function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line) + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter") + if (m.explicitlyCleared) { + if (!line.markedSpans) { break } + else {--i; continue} + } + } + if (!m.atomic) { continue } + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0) + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null) } + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + { return skipAtomicInner(doc, near, pos, dir, mayClear) } } - } - if (ie && !ie_lt9) prepareSelectAllHack(); - if (captureMiddleClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); + var far = m.find(dir < 0 ? -1 : 1) + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) + { far = movePos(doc, far, dir, far.line == pos.line ? line : null) } + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null + } + } } + return pos +} + +// Ensure a given position is not inside an atomic range. +function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1 + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)) + if (!found) { + doc.cantEdit = true + return Pos(doc.first, 0) + } + return found +} + +function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } + else { return null } + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } + else { return null } + } else { + return new Pos(pos.line, pos.ch + dir) + } +} + +function selectAll(cm) { + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll) +} + +// UPDATING + +// Allow "beforeChange" event handlers to influence a change +function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function () { return obj.canceled = true; } + } + if (update) { obj.update = function (from, to, text, origin) { + if (from) { obj.from = clipPos(doc, from) } + if (to) { obj.to = clipPos(doc, to) } + if (text) { obj.text = text } + if (origin !== undefined) { obj.origin = origin } + } } + signal(doc, "beforeChange", doc, obj) + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj) } + + if (obj.canceled) { return null } + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} +} + +// Apply a change to a document, and add it to the document's +// history, and propagating it to all linked documents. +function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } + if (doc.cm.state.suppressEdits) { return } + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true) + if (!change) { return } + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to) + if (split) { + for (var i = split.length - 1; i >= 0; --i) + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}) } + } else { + makeChangeInner(doc, change) + } +} + +function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } + var selAfter = computeSelAfterChange(doc, change) + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN) + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)) + var rebased = [] + + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change) + rebased.push(doc.history) + } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)) + }) +} + +// Revert a change stored in a document's history. +function makeChangeFromHistory(doc, type, allowSelectionOnly) { + if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return } + + var hist = doc.history, event, selAfter = doc.sel + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done + + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + var i = 0 + for (; i < source.length; i++) { + event = source[i] + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + { break } + } + if (i == source.length) { return } + hist.lastOrigin = hist.lastSelOrigin = null + + for (;;) { + event = source.pop() + if (event.ranges) { + pushSelectionToHistory(event, dest) + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}) + return + } + selAfter = event } + else { break } } - // UPDATING + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = [] + pushSelectionToHistory(selAfter, dest) + dest.push({changes: antiChanges, generation: hist.generation}) + hist.generation = event.generation || ++hist.maxGeneration - var changeEnd = CodeMirror.changeEnd = function(change) { - if (!change.text) return change.to; - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); - }; + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange") - // Make sure a position will be valid after the given change. - function clipPostChange(doc, change, pos) { - if (!posLess(change.from, pos)) return clipPos(doc, pos); - var diff = (change.text.length - 1) - (change.to.line - change.from.line); - if (pos.line > change.to.line + diff) { - var preLine = pos.line - diff, lastLine = doc.first + doc.size - 1; - if (preLine > lastLine) return Pos(lastLine, getLine(doc, lastLine).text.length); - return clipToLen(pos, getLine(doc, preLine).text.length); + var loop = function ( i ) { + var change = event.changes[i] + change.origin = type + if (filter && !filterChange(doc, change, false)) { + source.length = 0 + return {} } - if (pos.line == change.to.line + diff) - return clipToLen(pos, lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0) + - getLine(doc, change.to.line).text.length - change.to.ch); - var inside = pos.line - change.from.line; - return clipToLen(pos, change.text[inside].length + (inside ? 0 : change.from.ch)); - } - - // Hint can be null|"end"|"start"|"around"|{anchor,head} - function computeSelAfterChange(doc, change, hint) { - if (hint && typeof hint == "object") // Assumed to be {anchor, head} object - return {anchor: clipPostChange(doc, change, hint.anchor), - head: clipPostChange(doc, change, hint.head)}; - - if (hint == "start") return {anchor: change.from, head: change.from}; - var end = changeEnd(change); - if (hint == "around") return {anchor: change.from, head: end}; - if (hint == "end") return {anchor: end, head: end}; + antiChanges.push(historyChangeFromChange(doc, change)) - // hint is null, leave the selection alone as much as possible - var adjustPos = function(pos) { - if (posLess(pos, change.from)) return pos; - if (!posLess(change.to, pos)) return end; + var after = i ? computeSelAfterChange(doc, change) : lst(source) + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)) + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}) } + var rebased = [] - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) ch += end.ch - change.to.ch; - return Pos(line, ch); - }; - return {anchor: adjustPos(doc.sel.anchor), head: adjustPos(doc.sel.head)}; - } - - function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function() { this.canceled = true; } - }; - if (update) obj.update = function(from, to, text, origin) { - if (from) this.from = clipPos(doc, from); - if (to) this.to = clipPos(doc, to); - if (text) this.text = text; - if (origin !== undefined) this.origin = origin; - }; - signal(doc, "beforeChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); - - if (obj.canceled) return null; - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; - } - - // Replace the range from from to to by the strings in replacement. - // change is a {from, to, text [, origin]} object - function makeChange(doc, change, selUpdate, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, selUpdate, ignoreReadOnly); - if (doc.cm.state.suppressEdits) return; - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true); - if (!change) return; - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); - if (split) { - for (var i = split.length - 1; i >= 1; --i) - makeChangeNoReadonly(doc, {from: split[i].from, to: split[i].to, text: [""]}); - if (split.length) - makeChangeNoReadonly(doc, {from: split[0].from, to: split[0].to, text: change.text}, selUpdate); - } else { - makeChangeNoReadonly(doc, change, selUpdate); - } - } - - function makeChangeNoReadonly(doc, change, selUpdate) { - if (change.text.length == 1 && change.text[0] == "" && posEq(change.from, change.to)) return; - var selAfter = computeSelAfterChange(doc, change, selUpdate); - addToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); - var rebased = []; - - linkedDocs(doc, function(doc, sharedHist) { + // Propagate to the linked documents + linkedDocs(doc, function (doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); + rebaseHist(doc.history, change) + rebased.push(doc.history) } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); - }); - } - - function makeChangeFromHistory(doc, type) { - if (doc.cm && doc.cm.state.suppressEdits) return; - - var hist = doc.history; - var event = (type == "undo" ? hist.done : hist.undone).pop(); - if (!event) return; - - var anti = {changes: [], anchorBefore: event.anchorAfter, headBefore: event.headAfter, - anchorAfter: event.anchorBefore, headAfter: event.headBefore, - generation: hist.generation}; - (type == "undo" ? hist.undone : hist.done).push(anti); - hist.generation = event.generation || ++hist.maxGeneration; - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)) + }) + }; - for (var i = event.changes.length - 1; i >= 0; --i) { - var change = event.changes[i]; - change.origin = type; - if (filter && !filterChange(doc, change, false)) { - (type == "undo" ? hist.done : hist.undone).length = 0; - return; + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { + var returned = loop( i$1 ); + + if ( returned ) return returned.v; + } +} + +// Sub-views need their line numbers shifted when text is added +// above or below them in the parent document. +function shiftDoc(doc, distance) { + if (distance == 0) { return } + doc.first += distance + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); }), doc.sel.primIndex) + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance) + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + { regLineChange(doc.cm, l, "gutter") } + } +} + +// More lower-level change function, handling only a single document +// (not linked ones). +function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)) + return + } + if (change.from.line > doc.lastLine()) { return } + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line) + shiftDoc(doc, shift) + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin} + } + var last = doc.lastLine() + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin} + } + + change.removed = getBetween(doc, change.from, change.to) + + if (!selAfter) { selAfter = computeSelAfterChange(doc, change) } + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans) } + else { updateDoc(doc, change, spans) } + setSelectionNoUndo(doc, selAfter, sel_dontScroll) +} + +// Handle the interaction of a change to a document with the editor +// that this document is part of. +function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to + + var recomputeMaxLength = false, checkWidthStart = from.line + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))) + doc.iter(checkWidthStart, to.line + 1, function (line) { + if (line == display.maxLine) { + recomputeMaxLength = true + return true } - - anti.changes.push(historyChangeFromChange(doc, change)); - - var after = i ? computeSelAfterChange(doc, change, null) - : {anchor: event.anchorBefore, head: event.headBefore}; - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - var rebased = []; - - linkedDocs(doc, function(doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); - }); - } + }) } - function shiftDoc(doc, distance) { - function shiftPos(pos) {return Pos(pos.line + distance, pos.ch);} - doc.first += distance; - if (doc.cm) regChange(doc.cm, doc.first, doc.first, distance); - doc.sel.head = shiftPos(doc.sel.head); doc.sel.anchor = shiftPos(doc.sel.anchor); - doc.sel.from = shiftPos(doc.sel.from); doc.sel.to = shiftPos(doc.sel.to); - } - - function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return; - } - if (change.from.line > doc.lastLine()) return; - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line); - shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; - } - var last = doc.lastLine(); - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; - } + if (doc.sel.contains(change.from, change.to) > -1) + { signalCursorActivity(cm) } - change.removed = getBetween(doc, change.from, change.to); + updateDoc(doc, change, spans, estimateHeight(cm)) - if (!selAfter) selAfter = computeSelAfterChange(doc, change, null); - if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans, selAfter); - else updateDoc(doc, change, spans, selAfter); + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function (line) { + var len = lineLength(line) + if (len > display.maxLineLength) { + display.maxLine = line + display.maxLineLength = len + display.maxLineChanged = true + recomputeMaxLength = false + } + }) + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true } } - function makeChangeSingleDocInEditor(cm, change, spans, selAfter) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; - - var recomputeMaxLength = false, checkWidthStart = from.line; - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(doc, getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function(line) { - if (line == display.maxLine) { - recomputeMaxLength = true; - return true; - } - }); - } - - if (!posLess(doc.sel.head, change.from) && !posLess(change.to, doc.sel.head)) - cm.curOp.cursorActivity = true; + // Adjust frontier, schedule worker + doc.frontier = Math.min(doc.frontier, from.line) + startWorker(cm, 400) - updateDoc(doc, change, spans, selAfter, estimateHeight(cm)); + var lendiff = change.text.length - (to.line - from.line) - 1 + // Remember that these lines changed, for updating the display + if (change.full) + { regChange(cm) } + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + { regLineChange(cm, from.line, "text") } + else + { regChange(cm, from.line, to.line + 1, lendiff) } - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function(line) { - var len = lineLength(doc, line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) cm.curOp.updateMaxLine = true; - } - - // Adjust frontier, schedule worker - doc.frontier = Math.min(doc.frontier, from.line); - startWorker(cm, 400); - - var lendiff = change.text.length - (to.line - from.line) - 1; - // Remember that these lines changed, for updating the display - regChange(cm, from.line, to.line + 1, lendiff); - - if (hasHandler(cm, "change")) { - var changeObj = {from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin}; - if (cm.curOp.textChanged) { - for (var cur = cm.curOp.textChanged; cur.next; cur = cur.next) {} - cur.next = changeObj; - } else cm.curOp.textChanged = changeObj; - } - } - - function replaceRange(doc, code, from, to, origin) { - if (!to) to = from; - if (posLess(to, from)) { var tmp = to; to = from; from = tmp; } - if (typeof code == "string") code = splitLines(code); - makeChange(doc, {from: from, to: to, text: code, origin: origin}, null); - } - - // POSITION OBJECT - - function Pos(line, ch) { - if (!(this instanceof Pos)) return new Pos(line, ch); - this.line = line; this.ch = ch; - } - CodeMirror.Pos = Pos; - - function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} - function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} - function copyPos(x) {return Pos(x.line, x.ch);} - - // SELECTION - - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} - function clipPos(doc, pos) { - if (pos.line < doc.first) return Pos(doc.first, 0); - var last = doc.first + doc.size - 1; - if (pos.line > last) return Pos(last, getLine(doc, last).text.length); - return clipToLen(pos, getLine(doc, pos.line).text.length); - } - function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) return Pos(pos.line, linelen); - else if (ch < 0) return Pos(pos.line, 0); - else return pos; - } - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} - - // If shift is held, this will move the selection anchor. Otherwise, - // it'll set the whole selection. - function extendSelection(doc, pos, other, bias) { - if (doc.sel.shift || doc.sel.extend) { - var anchor = doc.sel.anchor; - if (other) { - var posBefore = posLess(pos, anchor); - if (posBefore != posLess(other, anchor)) { - anchor = pos; - pos = other; - } else if (posBefore != posLess(pos, other)) { - pos = other; - } + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change") + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + } + if (changeHandler) { signalLater(cm, "change", cm, obj) } + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj) } + } + cm.display.selForContextMenu = null +} + +function replaceRange(doc, code, from, to, origin) { + if (!to) { to = from } + if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp } + if (typeof code == "string") { code = doc.splitLines(code) } + makeChange(doc, {from: from, to: to, text: code, origin: origin}) +} + +// Rebasing/resetting history to deal with externally-sourced changes + +function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff + } else if (from < pos.line) { + pos.line = from + pos.ch = 0 + } +} + +// Tries to rebase an array of history events given a change in the +// document. If the change touches the same lines as the event, the +// event, and everything 'behind' it, is discarded. If the change is +// before the event, the event's positions are updated. Uses a +// copy-on-write scheme for the positions, to avoid having to +// reallocate them all on every rebase, but also avoid problems with +// shared position objects being unsafely updated. +function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff) + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff) } - setSelection(doc, anchor, pos, bias); - } else { - setSelection(doc, pos, other || pos, bias); - } - if (doc.cm) doc.cm.curOp.userSelChange = true; - } - - function filterSelectionChange(doc, anchor, head) { - var obj = {anchor: anchor, head: head}; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); - obj.anchor = clipPos(doc, obj.anchor); obj.head = clipPos(doc, obj.head); - return obj; - } - - // Update the selection. Last two args are only used by - // updateDoc, since they have to be expressed in the line - // numbers before the update. - function setSelection(doc, anchor, head, bias, checkAtomic) { - if (!checkAtomic && hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) { - var filtered = filterSelectionChange(doc, anchor, head); - head = filtered.head; - anchor = filtered.anchor; - } - - var sel = doc.sel; - sel.goalColumn = null; - if (bias == null) bias = posLess(head, sel.head) ? -1 : 1; - // Skip over atomic spans. - if (checkAtomic || !posEq(anchor, sel.anchor)) - anchor = skipAtomic(doc, anchor, bias, checkAtomic != "push"); - if (checkAtomic || !posEq(head, sel.head)) - head = skipAtomic(doc, head, bias, checkAtomic != "push"); - - if (posEq(sel.anchor, anchor) && posEq(sel.head, head)) return; - - sel.anchor = anchor; sel.head = head; - var inv = posLess(head, anchor); - sel.from = inv ? head : anchor; - sel.to = inv ? anchor : head; - - if (doc.cm) - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = - doc.cm.curOp.cursorActivity = true; - - signalLater(doc, "cursorActivity", doc); - } - - function reCheckSelection(cm) { - setSelection(cm.doc, cm.doc.sel.from, cm.doc.sel.to, null, "push"); - } - - function skipAtomic(doc, pos, bias, mayClear) { - var flipped = false, curPos = pos; - var dir = bias || 1; - doc.cantEdit = false; - search: for (;;) { - var line = getLine(doc, curPos.line); - if (line.markedSpans) { - for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) break; - else {--i; continue;} - } - } - if (!m.atomic) continue; - var newPos = m.find()[dir < 0 ? "from" : "to"]; - if (posEq(newPos, curPos)) { - newPos.ch += dir; - if (newPos.ch < 0) { - if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1)); - else newPos = null; - } else if (newPos.ch > line.text.length) { - if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0); - else newPos = null; - } - if (!newPos) { - if (flipped) { - // Driven in a corner -- no valid cursor position found at all - // -- try again *with* clearing, if we didn't already - if (!mayClear) return skipAtomic(doc, pos, bias, true); - // Otherwise, turn off editing until further notice, and return the start of the doc - doc.cantEdit = true; - return Pos(doc.first, 0); - } - flipped = true; newPos = pos; dir = -dir; - } - } - curPos = newPos; - continue search; + continue + } + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { + var cur = sub.changes[j$1] + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch) + cur.to = Pos(cur.to.line + diff, cur.to.ch) + } else if (from <= cur.to.line) { + ok = false + break + } + } + if (!ok) { + array.splice(0, i + 1) + i = 0 + } + } +} + +function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1 + rebaseHistArray(hist.done, from, to, diff) + rebaseHistArray(hist.undone, from, to, diff) +} + +// Utility for applying a change to a line by handle or number, +// returning the number and optionally registering the line as +// changed. +function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)) } + else { no = lineNo(handle) } + if (no == null) { return null } + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType) } + return line +} + +// The document is represented as a BTree consisting of leaves, with +// chunk of lines in them, and branches, with up to ten leaves or +// other branch nodes below them. The top node is always a branch +// node, and is the document object itself (meaning it has +// additional methods and properties). +// +// All nodes have parent links. The tree is used both to go from +// line numbers to line objects, and to go from objects to numbers. +// It also indexes by height, and is used to convert between height +// and line object, and to find the total height of the document. +// +// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + +function LeafChunk(lines) { + var this$1 = this; + + this.lines = lines + this.parent = null + var height = 0 + for (var i = 0; i < lines.length; ++i) { + lines[i].parent = this$1 + height += lines[i].height + } + this.height = height +} + +LeafChunk.prototype = { + chunkSize: function() { return this.lines.length }, + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + var this$1 = this; + + for (var i = at, e = at + n; i < e; ++i) { + var line = this$1.lines[i] + this$1.height -= line.height + cleanUpLine(line) + signalLater(line, "delete") + } + this.lines.splice(at, n) + }, + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines) + }, + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + var this$1 = this; + + this.height += height + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)) + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1 } + }, + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + var this$1 = this; + + for (var e = at + n; at < e; ++at) + { if (op(this$1.lines[at])) { return true } } + } +} + +function BranchChunk(children) { + var this$1 = this; + + this.children = children + var size = 0, height = 0 + for (var i = 0; i < children.length; ++i) { + var ch = children[i] + size += ch.chunkSize(); height += ch.height + ch.parent = this$1 + } + this.size = size + this.height = height + this.parent = null +} + +BranchChunk.prototype = { + chunkSize: function() { return this.size }, + removeInner: function(at, n) { + var this$1 = this; + + this.size -= n + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize() + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height + child.removeInner(at, rm) + this$1.height -= oldHeight - child.height + if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null } + if ((n -= rm) == 0) { break } + at = 0 + } else { at -= sz } + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = [] + this.collapse(lines) + this.children = [new LeafChunk(lines)] + this.children[0].parent = this + } + }, + collapse: function(lines) { + var this$1 = this; + + for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines) } + }, + insertInner: function(at, lines, height) { + var this$1 = this; + + this.size += lines.length + this.height += height + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize() + if (at <= sz) { + child.insertInner(at, lines, height) + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25 + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)) + child.height -= leaf.height + this$1.children.splice(++i, 0, leaf) + leaf.parent = this$1 } + child.lines = child.lines.slice(0, remaining) + this$1.maybeSpill() } + break } - return curPos; + at -= sz } - } - - // SCROLLING - - function scrollCursorIntoView(cm) { - var coords = scrollPosIntoView(cm, cm.doc.sel.head, null, cm.options.cursorScrollMargin); - if (!cm.state.focused) return; - var display = cm.display, box = getRect(display.sizer), doScroll = null; - if (coords.top + box.top < 0) doScroll = true; - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; - if (doScroll != null && !phantom) { - var hidden = display.cursor.style.display == "none"; - if (hidden) { - display.cursor.style.display = ""; - display.cursor.style.left = coords.left + "px"; - display.cursor.style.top = (coords.top - display.viewOffset) + "px"; + }, + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) { return } + var me = this + do { + var spilled = me.children.splice(me.children.length - 5, 5) + var sibling = new BranchChunk(spilled) + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children) + copy.parent = me + me.children = [copy, sibling] + me = copy + } else { + me.size -= sibling.size + me.height -= sibling.height + var myIndex = indexOf(me.parent.children, me) + me.parent.children.splice(myIndex + 1, 0, sibling) + } + sibling.parent = me.parent + } while (me.children.length > 10) + me.parent.maybeSpill() + }, + iterN: function(at, n, op) { + var this$1 = this; + + for (var i = 0; i < this.children.length; ++i) { + var child = this$1.children[i], sz = child.chunkSize() + if (at < sz) { + var used = Math.min(n, sz - at) + if (child.iterN(at, used, op)) { return true } + if ((n -= used) == 0) { break } + at = 0 + } else { at -= sz } + } + } +} + +// Line widgets are block elements displayed above or below a line. + +function LineWidget(doc, node, options) { + var this$1 = this; + + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) + { this$1[opt] = options[opt] } } } + this.doc = doc + this.node = node +} +eventMixin(LineWidget) + +function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + { addToScrollPos(cm, null, diff) } +} + +LineWidget.prototype.clear = function() { + var this$1 = this; + + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line) + if (no == null || !ws) { return } + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1) } } + if (!ws.length) { line.widgets = null } + var height = widgetHeight(this) + updateLineHeight(line, Math.max(0, line.height - height)) + if (cm) { runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height) + regLineChange(cm, no, "widget") + }) } +} +LineWidget.prototype.changed = function() { + var oldH = this.height, cm = this.doc.cm, line = this.line + this.height = null + var diff = widgetHeight(this) - oldH + if (!diff) { return } + updateLineHeight(line, line.height + diff) + if (cm) { runInOp(cm, function () { + cm.curOp.forceUpdate = true + adjustScrollWhenAboveVisible(cm, line, diff) + }) } +} + +function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options) + var cm = doc.cm + if (cm && widget.noHScroll) { cm.display.alignWidgets = true } + changeLine(doc, handle, "widget", function (line) { + var widgets = line.widgets || (line.widgets = []) + if (widget.insertAt == null) { widgets.push(widget) } + else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget) } + widget.line = line + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop + updateLineHeight(line, line.height + widgetHeight(widget)) + if (aboveVisible) { addToScrollPos(cm, null, widget.height) } + cm.curOp.forceUpdate = true + } + return true + }) + return widget +} + +// TEXTMARKERS + +// Created with markText and setBookmark methods. A TextMarker is a +// handle that can be used to clear or find a marked position in the +// document. Line objects hold arrays (markedSpans) containing +// {from, to, marker} object pointing to such marker objects, and +// indicating that such a marker is present on that line. Multiple +// lines may point to the same marker when it spans across lines. +// The spans will have null for their from/to properties when the +// marker continues beyond the start/end of the line. Markers have +// links back to the lines they currently touch. + +// Collapsed markers have unique ids, in order to be able to order +// them, which is needed for uniquely determining an outer marker +// when they overlap (they may nest, but not partially overlap). +var nextMarkerId = 0 + +function TextMarker(doc, type) { + this.lines = [] + this.type = type + this.doc = doc + this.id = ++nextMarkerId +} +eventMixin(TextMarker) + +// Clear the marker. +TextMarker.prototype.clear = function() { + var this$1 = this; + + if (this.explicitlyCleared) { return } + var cm = this.doc.cm, withOp = cm && !cm.curOp + if (withOp) { startOperation(cm) } + if (hasHandler(this, "clear")) { + var found = this.find() + if (found) { signalLater(this, "clear", found.from, found.to) } + } + var min = null, max = null + for (var i = 0; i < this.lines.length; ++i) { + var line = this$1.lines[i] + var span = getMarkedSpanFor(line.markedSpans, this$1) + if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text") } + else if (cm) { + if (span.to != null) { max = lineNo(line) } + if (span.from != null) { min = lineNo(line) } + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span) + if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm) + { updateLineHeight(line, textHeight(cm.display)) } + } + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { + var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual) + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual + cm.display.maxLineLength = len + cm.display.maxLineChanged = true + } + } } + + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1) } + this.lines.length = 0 + this.explicitlyCleared = true + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false + if (cm) { reCheckSelection(cm.doc) } + } + if (cm) { signalLater(cm, "markerCleared", cm, this) } + if (withOp) { endOperation(cm) } + if (this.parent) { this.parent.clear() } +} + +// Find the position of the marker in the document. Returns a {from, +// to} object by default. Side can be passed to get a specific side +// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the +// Pos objects returned contain a line object, rather than a line +// number (used to prevent looking up the same line twice). +TextMarker.prototype.find = function(side, lineObj) { + var this$1 = this; + + if (side == null && this.type == "bookmark") { side = 1 } + var from, to + for (var i = 0; i < this.lines.length; ++i) { + var line = this$1.lines[i] + var span = getMarkedSpanFor(line.markedSpans, this$1) + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from) + if (side == -1) { return from } + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to) + if (side == 1) { return to } + } + } + return from && {from: from, to: to} +} + +// Signals that the marker's widget changed, and surrounding layout +// should be recomputed. +TextMarker.prototype.changed = function() { + var pos = this.find(-1, true), widget = this, cm = this.doc.cm + if (!pos || !cm) { return } + runInOp(cm, function () { + var line = pos.line, lineN = lineNo(pos.line) + var view = findViewForLine(cm, lineN) + if (view) { + clearLineMeasurementCacheFor(view) + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true + } + cm.curOp.updateMaxLine = true + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height + widget.height = null + var dHeight = widgetHeight(widget) - oldHeight + if (dHeight) + { updateLineHeight(line, line.height + dHeight) } + } + }) +} + +TextMarker.prototype.attachLine = function(line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this) } + } + this.lines.push(line) +} +TextMarker.prototype.detachLine = function(line) { + this.lines.splice(indexOf(this.lines, line), 1) + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this) + } +} + +// Create a marker, wire it up to the right lines, and +function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) { return markTextShared(doc, from, to, options, type) } + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } + + var marker = new TextMarker(doc, type), diff = cmp(from, to) + if (options) { copyObj(options, marker, false) } + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + { return marker } + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true + marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget") + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true") } + if (options.insertLeft) { marker.widgetNode.insertLeft = true } + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + { throw new Error("Inserting collapsed marker partially overlapping an existing one") } + seeCollapsedSpans() + } + + if (marker.addToHistory) + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN) } + + var curLine = from.line, cm = doc.cm, updateMaxLine + doc.iter(curLine, to.line + 1, function (line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + { updateMaxLine = true } + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0) } + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null)) + ++curLine + }) + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0) } + }) } + + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }) } + + if (marker.readOnly) { + seeReadOnlySpans() + if (doc.history.done.length || doc.history.undone.length) + { doc.clearHistory() } + } + if (marker.collapsed) { + marker.id = ++nextMarkerId + marker.atomic = true + } + if (cm) { + // Sync editor state + if (updateMaxLine) { cm.curOp.updateMaxLine = true } + if (marker.collapsed) + { regChange(cm, from.line, to.line + 1) } + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text") } } + if (marker.atomic) { reCheckSelection(cm.doc) } + signalLater(cm, "markerAdded", cm, marker) + } + return marker +} + +// SHARED TEXTMARKERS + +// A shared marker spans multiple linked documents. It is +// implemented as a meta-marker-object controlling multiple normal +// markers. +function SharedTextMarker(markers, primary) { + var this$1 = this; + + this.markers = markers + this.primary = primary + for (var i = 0; i < markers.length; ++i) + { markers[i].parent = this$1 } +} +eventMixin(SharedTextMarker) + +SharedTextMarker.prototype.clear = function() { + var this$1 = this; + + if (this.explicitlyCleared) { return } + this.explicitlyCleared = true + for (var i = 0; i < this.markers.length; ++i) + { this$1.markers[i].clear() } + signalLater(this, "clear") +} +SharedTextMarker.prototype.find = function(side, lineObj) { + return this.primary.find(side, lineObj) +} + +function markTextShared(doc, from, to, options, type) { + options = copyObj(options) + options.shared = false + var markers = [markText(doc, from, to, options, type)], primary = markers[0] + var widget = options.widgetNode + linkedDocs(doc, function (doc) { + if (widget) { options.widgetNode = widget.cloneNode(true) } + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)) + for (var i = 0; i < doc.linked.length; ++i) + { if (doc.linked[i].isParent) { return } } + primary = lst(markers) + }) + return new SharedTextMarker(markers, primary) +} + +function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) +} + +function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find() + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to) + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type) + marker.markers.push(subMark) + subMark.parent = marker + } + } +} + +function detachSharedMarkers(markers) { + var loop = function ( i ) { + var marker = markers[i], linked = [marker.primary.doc] + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }) + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j] + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null + marker.markers.splice(j--, 1) } - display.cursor.scrollIntoView(doScroll); - if (hidden) display.cursor.style.display = "none"; } - } + }; - function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) margin = 0; - for (;;) { - var changed = false, coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - setScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; + for (var i = 0; i < markers.length; i++) loop( i ); +} + +var nextDocId = 0 +var Doc = function(text, mode, firstLine, lineSep) { + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep) } + if (firstLine == null) { firstLine = 0 } + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]) + this.first = firstLine + this.scrollTop = this.scrollLeft = 0 + this.cantEdit = false + this.cleanGeneration = 1 + this.frontier = firstLine + var start = Pos(firstLine, 0) + this.sel = simpleSelection(start) + this.history = new History(null) + this.id = ++nextDocId + this.modeOption = mode + this.lineSep = lineSep + this.extend = false + + if (typeof text == "string") { text = this.splitLines(text) } + updateDoc(this, {from: start, to: start, text: text}) + setSelection(this, simpleSelection(start), sel_dontScroll) +} + +Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) { this.iterN(from - this.first, to - from, op) } + else { this.iterN(this.first, this.first + this.size, from) } + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0 + for (var i = 0; i < lines.length; ++i) { height += lines[i].height } + this.insertInner(at - this.first, lines, height) + }, + remove: function(at, n) { this.removeInner(at - this.first, n) }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size) + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1 + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true) + setSelection(this, simpleSelection(top)) + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from) + to = to ? clipPos(this, to) : from + replaceRange(this, code, from, to, origin) + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)) + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, + + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, + getLineNumber: function(line) {return lineNo(line)}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") { line = getLine(this, line) } + return visualLine(line) + }, + + lineCount: function() {return this.size}, + firstLine: function() {return this.first}, + lastLine: function() {return this.first + this.size - 1}, + + clipPos: function(pos) {return clipPos(this, pos)}, + + getCursor: function(start) { + var range = this.sel.primary(), pos + if (start == null || start == "head") { pos = range.head } + else if (start == "anchor") { pos = range.anchor } + else if (start == "end" || start == "to" || start === false) { pos = range.to() } + else { pos = range.from() } + return pos + }, + listSelections: function() { return this.sel.ranges }, + somethingSelected: function() {return this.sel.somethingSelected()}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options) + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options) + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options) + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads), options) + }), + extendSelectionsBy: docMethodOp(function(f, options) { + var heads = map(this.sel.ranges, f) + extendSelections(this, clipPosArray(this, heads), options) + }), + setSelections: docMethodOp(function(ranges, primary, options) { + var this$1 = this; + + if (!ranges.length) { return } + var out = [] + for (var i = 0; i < ranges.length; i++) + { out[i] = new Range(clipPos(this$1, ranges[i].anchor), + clipPos(this$1, ranges[i].head)) } + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex) } + setSelection(this, normalizeSelection(out, primary), options) + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0) + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))) + setSelection(this, normalizeSelection(ranges, ranges.length - 1), options) + }), + + getSelection: function(lineSep) { + var this$1 = this; + + var ranges = this.sel.ranges, lines + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()) + lines = lines ? lines.concat(sel) : sel + } + if (lineSep === false) { return lines } + else { return lines.join(lineSep || this.lineSeparator()) } + }, + getSelections: function(lineSep) { + var this$1 = this; + + var parts = [], ranges = this.sel.ranges + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this$1, ranges[i].from(), ranges[i].to()) + if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()) } + parts[i] = sel + } + return parts + }, + replaceSelection: function(code, collapse, origin) { + var dup = [] + for (var i = 0; i < this.sel.ranges.length; i++) + { dup[i] = code } + this.replaceSelections(dup, collapse, origin || "+input") + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var this$1 = this; + + var changes = [], sel = this.sel + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i] + changes[i] = {from: range.from(), to: range.to(), text: this$1.splitLines(code[i]), origin: origin} + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse) + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) + { makeChange(this$1, changes[i$1]) } + if (newSel) { setSelectionReplaceHistory(this, newSel) } + else if (this.cm) { ensureCursorVisible(this.cm) } + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo")}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo")}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true)}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true)}), + + setExtending: function(val) {this.extend = val}, + getExtending: function() {return this.extend}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0 + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done } } + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone } } + return {undo: done, redo: undone} + }, + clearHistory: function() {this.history = new History(this.history.maxGeneration)}, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true) + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null } + return this.history.generation + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration) + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)} + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history.maxGeneration) + hist.done = copyHistoryArray(histData.done.slice(0), null, true) + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true) + }, + + setGutterMarker: docMethodOp(function(line, gutterID, value) { + return changeLine(this, line, "gutter", function (line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}) + markers[gutterID] = value + if (!value && isEmpty(markers)) { line.gutterMarkers = null } + return true + }) + }), + + clearGutter: docMethodOp(function(gutterID) { + var this$1 = this; + + var i = this.first + this.iter(function (line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + changeLine(this$1, line, "gutter", function () { + line.gutterMarkers[gutterID] = null + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null } + return true + }) } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; + ++i + }) + }), + + lineInfo: function(line) { + var n + if (typeof line == "number") { + if (!isLine(this, line)) { return null } + n = line + line = getLine(this, line) + if (!line) { return null } + } else { + n = lineNo(line) + if (n == null) { return null } + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets} + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass" + if (!line[prop]) { line[prop] = cls } + else if (classTest(cls).test(line[prop])) { return false } + else { line[prop] += " " + cls } + return true + }) + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass" + var cur = line[prop] + if (!cur) { return false } + else if (cls == null) { line[prop] = null } + else { + var found = cur.match(classTest(cls)) + if (!found) { return false } + var end = found.index + found[0].length + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null } - if (!changed) return coords; + return true + }) + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options) + }), + removeLineWidget: function(widget) { widget.clear() }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents} + pos = clipPos(this, pos) + return markText(this, pos, pos, realOpts, "bookmark") + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos) + var markers = [], spans = getLine(this, pos.line).markedSpans + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i] + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + { markers.push(span.marker.parent || span.marker) } + } } + return markers + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to) + var found = [], lineNo = from.line + this.iter(from.line, to.line + 1, function (line) { + var spans = line.markedSpans + if (spans) { for (var i = 0; i < spans.length; i++) { + var span = spans[i] + if (!(span.to != null && lineNo == from.line && from.ch >= span.to || + span.from == null && lineNo != from.line || + span.from != null && lineNo == to.line && span.from >= to.ch) && + (!filter || filter(span.marker))) + { found.push(span.marker.parent || span.marker) } + } } + ++lineNo + }) + return found + }, + getAllMarks: function() { + var markers = [] + this.iter(function (line) { + var sps = line.markedSpans + if (sps) { for (var i = 0; i < sps.length; ++i) + { if (sps[i].from != null) { markers.push(sps[i].marker) } } } + }) + return markers + }, + + posFromIndex: function(off) { + var ch, lineNo = this.first, sepSize = this.lineSeparator().length + this.iter(function (line) { + var sz = line.text.length + sepSize + if (sz > off) { ch = off; return true } + off -= sz + ++lineNo + }) + return clipPos(this, Pos(lineNo, ch)) + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords) + var index = coords.ch + if (coords.line < this.first || coords.ch < 0) { return 0 } + var sepSize = this.lineSeparator().length + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value + index += line.text.length + sepSize + }) + return index + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep) + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft + doc.sel = this.sel + doc.extend = false + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth + doc.setHistory(this.getHistory()) + } + return doc + }, + + linkedDoc: function(options) { + if (!options) { options = {} } + var from = this.first, to = this.first + this.size + if (options.from != null && options.from > from) { from = options.from } + if (options.to != null && options.to < to) { to = options.to } + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep) + if (options.sharedHist) { copy.history = this.history + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}) + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}] + copySharedMarkers(copy, findSharedMarkers(this)) + return copy + }, + unlinkDoc: function(other) { + var this$1 = this; + + if (other instanceof CodeMirror) { other = other.doc } + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { + var link = this$1.linked[i] + if (link.doc != other) { continue } + this$1.linked.splice(i, 1) + other.unlinkDoc(this$1) + detachSharedMarkers(findSharedMarkers(this$1)) + break + } } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id] + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true) + other.history = new History(null) + other.history.done = copyHistoryArray(this.history.done, splitIds) + other.history.undone = copyHistoryArray(this.history.undone, splitIds) + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f)}, + + getMode: function() {return this.mode}, + getEditor: function() {return this.cm}, + + splitLines: function(str) { + if (this.lineSep) { return str.split(this.lineSep) } + return splitLinesAuto(str) + }, + lineSeparator: function() { return this.lineSep || "\n" } +}) + +// Public alias. +Doc.prototype.eachLine = Doc.prototype.iter + +// Kludge to work around strange IE behavior where it'll sometimes +// re-fire a series of drag-related events right after the drop (#1551) +var lastDrop = 0 + +function onDrop(e) { + var cm = this + clearDragCursor(cm) + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + { return } + e_preventDefault(e) + if (ie) { lastDrop = +new Date } + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files + if (!pos || cm.isReadOnly()) { return } + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0 + var loadFile = function (file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) + { return } + + var reader = new FileReader + reader.onload = operation(cm, function () { + var content = reader.result + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = "" } + text[i] = content + if (++read == n) { + pos = clipPos(cm.doc, pos) + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"} + makeChange(cm.doc, change) + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))) + } + }) + reader.readAsText(file) + } + for (var i = 0; i < n; ++i) { loadFile(files[i], i) } + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e) + // Ensure the editor is re-focused + setTimeout(function () { return cm.display.input.focus(); }, 20) + return } - } - - function scrollIntoView(cm, x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); - if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); - if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); - } - - function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (y1 < 0) y1 = 0; - var screen = display.scroller.clientHeight - scrollerCutOff, screentop = display.scroller.scrollTop, result = {}; - var docBottom = cm.doc.height + paddingVert(display); - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; - if (y1 < screentop) { - result.scrollTop = atTop ? 0 : y1; - } else if (y2 > screentop + screen) { - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); - if (newTop != screentop) result.scrollTop = newTop; + try { + var text$1 = e.dataTransfer.getData("Text") + if (text$1) { + var selected + if (cm.state.draggingText && !cm.state.draggingText.copy) + { selected = cm.listSelections() } + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)) + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag") } } + cm.replaceSelection(text$1, "around", "paste") + cm.display.input.focus() + } } - - var screenw = display.scroller.clientWidth - scrollerCutOff, screenleft = display.scroller.scrollLeft; - x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth; - var gutterw = display.gutters.offsetWidth; - var atLeft = x1 < gutterw + 10; - if (x1 < screenleft + gutterw || atLeft) { - if (atLeft) x1 = 0; - result.scrollLeft = Math.max(0, x1 - 10 - gutterw); - } else if (x2 > screenw + screenleft - 3) { - result.scrollLeft = x2 + 10 - screenw; + catch(e){} + } +} + +function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } + + e.dataTransfer.setData("Text", cm.getSelection()) + e.dataTransfer.effectAllowed = "copyMove" + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;") + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" + if (presto) { + img.width = img.height = 1 + cm.display.wrapper.appendChild(img) + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop + } + e.dataTransfer.setDragImage(img, 0, 0) + if (presto) { img.parentNode.removeChild(img) } + } +} + +function onDragOver(cm, e) { + var pos = posFromMouse(cm, e) + if (!pos) { return } + var frag = document.createDocumentFragment() + drawSelectionCursor(cm, pos, frag) + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors") + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv) + } + removeChildrenAndAdd(cm.display.dragCursor, frag) +} + +function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor) + cm.display.dragCursor = null + } +} + +// These must be handled carefully, because naively registering a +// handler for each editor will cause the editors to never be +// garbage collected. + +function forEachCodeMirror(f) { + if (!document.body.getElementsByClassName) { return } + var byClass = document.body.getElementsByClassName("CodeMirror") + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror + if (cm) { f(cm) } + } +} + +var globalsRegistered = false +function ensureGlobalHandlers() { + if (globalsRegistered) { return } + registerGlobalHandlers() + globalsRegistered = true +} +function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer + on(window, "resize", function () { + if (resizeTimer == null) { resizeTimer = setTimeout(function () { + resizeTimer = null + forEachCodeMirror(onResize) + }, 100) } + }) + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function () { return forEachCodeMirror(onBlur); }) +} +// Called when the window resizes +function onResize(cm) { + var d = cm.display + if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) + { return } + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null + d.scrollbarsClipped = false + cm.setSize() +} + +var keyNames = { + 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" +} + +// Number keys +for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i) } +// Alphabetic keys +for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1) } +// Function keys +for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2 } + +var keyMap = {} + +keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" +} +// Note that the save and find-related commands aren't defined by +// default. User code or addons can define them. Unknown commands +// are simply ignored. +keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + fallthrough: "basic" +} +// Very basic readline/emacs-style bindings, which are standard on Mac. +keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", + "Ctrl-O": "openLine" +} +keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + fallthrough: ["basic", "emacsy"] +} +keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault + +// KEYMAP DISPATCH + +function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/) + name = parts[parts.length - 1] + var alt, ctrl, shift, cmd + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i] + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true } + else if (/^a(lt)?$/i.test(mod)) { alt = true } + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true } + else if (/^s(hift)?$/i.test(mod)) { shift = true } + else { throw new Error("Unrecognized modifier name: " + mod) } + } + if (alt) { name = "Alt-" + name } + if (ctrl) { name = "Ctrl-" + name } + if (cmd) { name = "Cmd-" + name } + if (shift) { name = "Shift-" + name } + return name +} + +// This is a kludge to keep keymaps mostly working as raw objects +// (backwards compatibility) while at the same time support features +// like normalization and multi-stroke key bindings. It compiles a +// new normalized keymap, and then updates the old object to reflect +// this. +function normalizeKeyMap(keymap) { + var copy = {} + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname] + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } + if (value == "...") { delete keymap[keyname]; continue } + + var keys = map(keyname.split(" "), normalizeKeyName) + for (var i = 0; i < keys.length; i++) { + var val = (void 0), name = (void 0) + if (i == keys.length - 1) { + name = keys.join(" ") + val = value + } else { + name = keys.slice(0, i + 1).join(" ") + val = "..." + } + var prev = copy[name] + if (!prev) { copy[name] = val } + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } + } + delete keymap[keyname] + } } + for (var prop in copy) { keymap[prop] = copy[prop] } + return keymap +} + +function lookupKey(key, map, handle, context) { + map = getKeyMap(map) + var found = map.call ? map.call(key, context) : map[key] + if (found === false) { return "nothing" } + if (found === "...") { return "multi" } + if (found != null && handle(found)) { return "handled" } + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + { return lookupKey(key, map.fallthrough, handle, context) } + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context) + if (result) { return result } + } + } +} + +// Modifier key presses don't count as 'real' key presses for the +// purpose of keymap fallthrough. +function isModifierKey(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode] + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" +} + +// Look up the name of a key as indicated by an event object. +function keyName(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) { return false } + var base = keyNames[event.keyCode], name = base + if (name == null || event.altGraphKey) { return false } + if (event.altKey && base != "Alt") { name = "Alt-" + name } + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name } + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name } + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name } + return name +} + +function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val +} + +// Helper for deleting text near the selection(s), used to implement +// backspace, delete, and similar functionality. +function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = [] + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]) + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop() + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from + break + } } - return result; - } - - function updateScrollPos(cm, left, top) { - cm.curOp.updateScrollPos = {scrollLeft: left == null ? cm.doc.scrollLeft : left, - scrollTop: top == null ? cm.doc.scrollTop : top}; - } + kill.push(toKill) + } + // Next, remove those actual ranges. + runInOp(cm, function () { + for (var i = kill.length - 1; i >= 0; i--) + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete") } + ensureCursorVisible(cm) + }) +} + +// Commands are parameter-less actions that can be performed on an +// editor, mostly used for keybindings. +var commands = { + selectAll: selectAll, + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, + killLine: function (cm) { return deleteNearSelection(cm, function (range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length + if (range.head.ch == len && range.head.line < cm.lastLine()) + { return {from: range.head, to: Pos(range.head.line + 1, 0)} } + else + { return {from: range.head, to: Pos(range.head.line, len)} } + } else { + return {from: range.from(), to: range.to()} + } + }); }, + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) + }); }); }, + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), to: range.from() + }); }); }, + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5 + var leftPos = cm.coordsChar({left: 0, top: top}, "div") + return {from: leftPos, to: range.from()} + }); }, + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5 + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + return {from: range.from(), to: rightPos } + }); }, + undo: function (cm) { return cm.undo(); }, + redo: function (cm) { return cm.redo(); }, + undoSelection: function (cm) { return cm.undoSelection(); }, + redoSelection: function (cm) { return cm.redoSelection(); }, + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1} + ); }, + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, + {origin: "+move", bias: 1} + ); }, + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1} + ); }, + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.charCoords(range.head, "div").top + 5 + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + }, sel_move); }, + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.charCoords(range.head, "div").top + 5 + return cm.coordsChar({left: 0, top: top}, "div") + }, sel_move); }, + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.charCoords(range.head, "div").top + 5 + var pos = cm.coordsChar({left: 0, top: top}, "div") + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } + return pos + }, sel_move); }, + goLineUp: function (cm) { return cm.moveV(-1, "line"); }, + goLineDown: function (cm) { return cm.moveV(1, "line"); }, + goPageUp: function (cm) { return cm.moveV(-1, "page"); }, + goPageDown: function (cm) { return cm.moveV(1, "page"); }, + goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, + goCharRight: function (cm) { return cm.moveH(1, "char"); }, + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, + goColumnRight: function (cm) { return cm.moveH(1, "column"); }, + goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, + goGroupRight: function (cm) { return cm.moveH(1, "group"); }, + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, + goWordRight: function (cm) { return cm.moveH(1, "word"); }, + delCharBefore: function (cm) { return cm.deleteH(-1, "char"); }, + delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, + delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, + indentAuto: function (cm) { return cm.indentSelection("smart"); }, + indentMore: function (cm) { return cm.indentSelection("add"); }, + indentLess: function (cm) { return cm.indentSelection("subtract"); }, + insertTab: function (cm) { return cm.replaceSelection("\t"); }, + insertSoftTab: function (cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from() + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize) + spaces.push(spaceStr(tabSize - col % tabSize)) + } + cm.replaceSelections(spaces) + }, + defaultTab: function (cm) { + if (cm.somethingSelected()) { cm.indentSelection("add") } + else { cm.execCommand("insertTab") } + }, + // Swap the two chars left and right of each selection's head. + // Move cursor behind the two swapped characters afterwards. + // + // Doesn't consider line feeds a character. + // Doesn't scan more than one line above to find a character. + // Doesn't do anything on an empty line. + // Doesn't do anything with non-empty selections. + transposeChars: function (cm) { return runInOp(cm, function () { + var ranges = cm.listSelections(), newSel = [] + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) { continue } + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text + if (line) { + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1) } + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1) + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose") + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text + if (prev) { + cur = new Pos(cur.line, 1) + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), cur, "+transpose") + } + } + } + newSel.push(new Range(cur, cur)) + } + cm.setSelections(newSel) + }); }, + newlineAndIndent: function (cm) { return runInOp(cm, function () { + var sels = cm.listSelections() + for (var i = sels.length - 1; i >= 0; i--) + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input") } + sels = cm.listSelections() + for (var i$1 = 0; i$1 < sels.length; i$1++) + { cm.indentLine(sels[i$1].from().line, null, true) } + ensureCursorVisible(cm) + }); }, + openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } +} + + +function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN) + var visual = visualLine(line) + if (visual != line) { lineN = lineNo(visual) } + var order = getOrder(visual) + var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual) + return Pos(lineN, ch) +} +function lineEnd(cm, lineN) { + var merged, line = getLine(cm.doc, lineN) + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + lineN = null + } + var order = getOrder(line) + var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line) + return Pos(lineN == null ? lineNo(line) : lineN, ch) +} +function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line) + var line = getLine(cm.doc, start.line) + var order = getOrder(line) + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(0, line.text.search(/\S/)) + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch + return Pos(start.line, inWS ? 0 : firstNonWS) + } + return start +} + +// Run a handler that was bound to a key. +function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound] + if (!bound) { return false } + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled() + var prevShift = cm.display.shift, done = false + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true } + if (dropShift) { cm.display.shift = false } + done = bound(cm) != Pass + } finally { + cm.display.shift = prevShift + cm.state.suppressEdits = false + } + return done +} + +function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm) + if (result) { return result } + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm) +} + +var stopSeq = new Delayed +function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq + if (seq) { + if (isModifierKey(name)) { return "handled" } + stopSeq.set(50, function () { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null + cm.display.input.reset() + } + }) + name = seq + " " + name + } + var result = lookupKeyForEditor(cm, name, handle) + + if (result == "multi") + { cm.state.keySeq = name } + if (result == "handled") + { signalLater(cm, "keyHandled", cm, name, e) } + + if (result == "handled" || result == "multi") { + e_preventDefault(e) + restartBlink(cm) + } + + if (seq && !result && /\'$/.test(name)) { + e_preventDefault(e) + return true + } + return !!result +} + +// Handle a key from the keydown event. +function handleKeyBinding(cm, e) { + var name = keyName(e, true) + if (!name) { return false } + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) + || dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + { return doHandleBinding(cm, b) } + }) + } else { + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) + } +} + +// Handle a key from the keypress event +function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) +} + +var lastStoppedKey = null +function onKeyDown(e) { + var cm = this + cm.curOp.focus = activeElt() + if (signalDOMEvent(cm, e)) { return } + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false } + var code = e.keyCode + cm.display.shift = code == 16 || e.shiftKey + var handled = handleKeyBinding(cm, e) + if (presto) { + lastStoppedKey = handled ? code : null + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + { cm.replaceSelection("", null, "cut") } + } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + { showCrossHair(cm) } +} + +function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv + addClass(lineDiv, "CodeMirror-crosshair") + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair") + off(document, "keyup", up) + off(document, "mouseover", up) + } + } + on(document, "keyup", up) + on(document, "mouseover", up) +} + +function onKeyUp(e) { + if (e.keyCode == 16) { this.doc.sel.shift = false } + signalDOMEvent(this, e) +} + +function onKeyPress(e) { + var cm = this + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } + var keyCode = e.keyCode, charCode = e.charCode + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } + var ch = String.fromCharCode(charCode == null ? keyCode : charCode) + // Some browsers fire keypress events for backspace + if (ch == "\x08") { return } + if (handleCharBinding(cm, e, ch)) { return } + cm.display.input.onKeyPress(e) +} + +// A mouse down can be a single click, double click, triple click, +// start of selection drag, start of text drag, new cursor +// (ctrl-click), rectangle drag (alt-drag), or xwin +// middle-click-paste. Or it might be a click on something we should +// not interfere with, such as a scrollbar or widget. +function onMouseDown(e) { + var cm = this, display = cm.display + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } + display.input.ensurePolled() + display.shift = e.shiftKey + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false + setTimeout(function () { return display.scroller.draggable = true; }, 100) + } + return + } + if (clickInGutter(cm, e)) { return } + var start = posFromMouse(cm, e) + window.focus() + + switch (e_button(e)) { + case 1: + // #3261: make sure, that we're not starting a second selection + if (cm.state.selectingText) + { cm.state.selectingText(e) } + else if (start) + { leftButtonDown(cm, e, start) } + else if (e_target(e) == display.scroller) + { e_preventDefault(e) } + break + case 2: + if (webkit) { cm.state.lastMiddleDown = +new Date } + if (start) { extendSelection(cm.doc, start) } + setTimeout(function () { return display.input.focus(); }, 20) + e_preventDefault(e) + break + case 3: + if (captureRightClick) { onContextMenu(cm, e) } + else { delayBlurEvent(cm) } + break + } +} + +var lastClick; +var lastDoubleClick; +function leftButtonDown(cm, e, start) { + if (ie) { setTimeout(bind(ensureFocus, cm), 0) } + else { cm.curOp.focus = activeElt() } + + var now = +new Date, type + if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { + type = "triple" + } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { + type = "double" + lastDoubleClick = {time: now, pos: start} + } else { + type = "single" + lastClick = {time: now, pos: start} + } + + var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + type == "single" && (contained = sel.contains(start)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && + (cmp(contained.to(), start) > 0 || start.xRel < 0)) + { leftButtonStartDrag(cm, e, start, modifier) } + else + { leftButtonSelect(cm, e, start, type, modifier) } +} + +// Start a text drag. When it ends, see if any dragging actually +// happen, and treat as a click if it didn't. +function leftButtonStartDrag(cm, e, start, modifier) { + var display = cm.display, startTime = +new Date + var dragEnd = operation(cm, function (e2) { + if (webkit) { display.scroller.draggable = false } + cm.state.draggingText = false + off(document, "mouseup", dragEnd) + off(display.scroller, "drop", dragEnd) + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2) + if (!modifier && +new Date - 200 < startTime) + { extendSelection(cm.doc, start) } + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + { setTimeout(function () {document.body.focus(); display.input.focus()}, 20) } + else + { display.input.focus() } + } + }) + // Let the drag handler handle this. + if (webkit) { display.scroller.draggable = true } + cm.state.draggingText = dragEnd + dragEnd.copy = mac ? e.altKey : e.ctrlKey + // IE's approach to draggable + if (display.scroller.dragDrop) { display.scroller.dragDrop() } + on(document, "mouseup", dragEnd) + on(display.scroller, "drop", dragEnd) +} + +// Normal selection, as opposed to text dragging. +function leftButtonSelect(cm, e, start, type, addNew) { + var display = cm.display, doc = cm.doc + e_preventDefault(e) + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges + if (addNew && !e.shiftKey) { + ourIndex = doc.sel.contains(start) + if (ourIndex > -1) + { ourRange = ranges[ourIndex] } + else + { ourRange = new Range(start, start) } + } else { + ourRange = doc.sel.primary() + ourIndex = doc.sel.primIndex + } + + if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { + type = "rect" + if (!addNew) { ourRange = new Range(start, start) } + start = posFromMouse(cm, e, true, true) + ourIndex = -1 + } else if (type == "double") { + var word = cm.findWordAt(start) + if (cm.display.shift || doc.extend) + { ourRange = extendRange(doc, ourRange, word.anchor, word.head) } + else + { ourRange = word } + } else if (type == "triple") { + var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))) + if (cm.display.shift || doc.extend) + { ourRange = extendRange(doc, ourRange, line.anchor, line.head) } + else + { ourRange = line } + } else { + ourRange = extendRange(doc, ourRange, start) + } + + if (!addNew) { + ourIndex = 0 + setSelection(doc, new Selection([ourRange], 0), sel_mouse) + startSel = doc.sel + } else if (ourIndex == -1) { + ourIndex = ranges.length + setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}) + } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { + setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}) + startSel = doc.sel + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse) + } + + var lastPos = start + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) { return } + lastPos = pos + + if (type == "rect") { + var ranges = [], tabSize = cm.options.tabSize + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize) + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize) + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol) + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize) + if (left == right) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))) } + else if (text.length > leftPos) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))) } + } + if (!ranges.length) { ranges.push(new Range(start, start)) } + setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}) + cm.scrollIntoView(pos) + } else { + var oldRange = ourRange + var anchor = oldRange.anchor, head = pos + if (type != "single") { + var range + if (type == "double") + { range = cm.findWordAt(pos) } + else + { range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))) } + if (cmp(range.anchor, anchor) > 0) { + head = range.head + anchor = minPos(oldRange.from(), range.anchor) + } else { + head = range.anchor + anchor = maxPos(oldRange.to(), range.head) + } + } + var ranges$1 = startSel.ranges.slice(0) + ranges$1[ourIndex] = new Range(clipPos(doc, anchor), head) + setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse) + } + } + + var editorSize = display.wrapper.getBoundingClientRect() + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0 + + function extend(e) { + var curCount = ++counter + var cur = posFromMouse(cm, e, true, type == "rect") + if (!cur) { return } + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt() + extendTo(cur) + var visible = visibleLines(display, doc) + if (cur.line >= visible.to || cur.line < visible.from) + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e) }}), 150) } + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0 + if (outside) { setTimeout(operation(cm, function () { + if (counter != curCount) { return } + display.scroller.scrollTop += outside + extend(e) + }), 50) } + } + } + + function done(e) { + cm.state.selectingText = false + counter = Infinity + e_preventDefault(e) + display.input.focus() + off(document, "mousemove", move) + off(document, "mouseup", up) + doc.history.lastSelOrigin = null + } + + var move = operation(cm, function (e) { + if (!e_button(e)) { done(e) } + else { extend(e) } + }) + var up = operation(cm, done) + cm.state.selectingText = up + on(document, "mousemove", move) + on(document, "mouseup", up) +} + + +// Determines whether an event happened in the gutter, and fires the +// handlers for the corresponding event. +function gutterEvent(cm, e, type, prevent) { + var mX, mY + try { mX = e.clientX; mY = e.clientY } + catch(e) { return false } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } + if (prevent) { e_preventDefault(e) } + + var display = cm.display + var lineBox = display.lineDiv.getBoundingClientRect() + + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } + mY -= lineBox.top - display.viewOffset + + for (var i = 0; i < cm.options.gutters.length; ++i) { + var g = display.gutters.childNodes[i] + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY) + var gutter = cm.options.gutters[i] + signal(cm, type, cm, line, gutter, e) + return e_defaultPrevented(e) + } + } +} + +function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true) +} + +// CONTEXT MENU HANDLING + +// To make the context menu work, we need to briefly unhide the +// textarea (making it as unobtrusive as possible) to let the +// right-click take effect on it. +function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } + if (signalDOMEvent(cm, e, "contextmenu")) { return } + cm.display.input.onContextMenu(e) +} + +function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) { return false } + return gutterEvent(cm, e, "gutterContextMenu", false) +} + +function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-") + clearCaches(cm) +} + +var Init = {toString: function(){return "CodeMirror.Init"}} + +var defaults = {} +var optionHandlers = {} + +function defineOptions(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers - function addToScrollPos(cm, left, top) { - var pos = cm.curOp.updateScrollPos || (cm.curOp.updateScrollPos = {scrollLeft: cm.doc.scrollLeft, scrollTop: cm.doc.scrollTop}); - var scroll = cm.display.scroller; - pos.scrollTop = Math.max(0, Math.min(scroll.scrollHeight - scroll.clientHeight, pos.scrollTop + top)); - pos.scrollLeft = Math.max(0, Math.min(scroll.scrollWidth - scroll.clientWidth, pos.scrollLeft + left)); + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt + if (handle) { optionHandlers[name] = + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old) }} : handle } } - // API UTILITIES + CodeMirror.defineOption = option - function indentLine(cm, n, how, aggressive) { - var doc = cm.doc; - if (how == null) how = "add"; - if (how == "smart") { - if (!cm.doc.mode.indent) how = "prev"; - else var state = getStateBefore(cm, n); - } + // Passed to option handlers when there is no old value. + CodeMirror.Init = Init - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (how == "smart") { - indentation = cm.doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass) { - if (!aggressive) return; - how = "prev"; + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function (cm, val) { return cm.setValue(val); }, true) + option("mode", null, function (cm, val) { + cm.doc.modeOption = val + loadMode(cm) + }, true) + + option("indentUnit", 2, loadMode, true) + option("indentWithTabs", false) + option("smartIndent", true) + option("tabSize", 4, function (cm) { + resetModeState(cm) + clearCaches(cm) + regChange(cm) + }, true) + option("lineSeparator", null, function (cm, val) { + cm.doc.lineSep = val + if (!val) { return } + var newBreaks = [], lineNo = cm.doc.first + cm.doc.iter(function (line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos) + if (found == -1) { break } + pos = found + val.length + newBreaks.push(Pos(lineNo, found)) } - } - if (how == "prev") { - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); - else indentation = 0; - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} - if (pos < indentation) indentString += spaceStr(indentation - pos); - - if (indentString != curSpaceString) - replaceRange(cm.doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - else if (doc.sel.head.line == n && doc.sel.head.ch < curSpaceString.length) - setSelection(doc, Pos(n, curSpaceString.length), Pos(n, curSpaceString.length), 1); - line.stateAfter = null; - } - - function changeLine(cm, handle, op) { - var no = handle, line = handle, doc = cm.doc; - if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no)) regChange(cm, no, no + 1); - else return null; - return line; - } - - function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir; - var lineObj = getLine(doc, line); - var possible = true; - function findNextLine() { - var l = line + dir; - if (l < doc.first || l >= doc.first + doc.size) return (possible = false); - line = l; - return lineObj = getLine(doc, l); - } - function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); - if (next == null) { - if (!boundToLine && findNextLine()) { - if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); - else ch = dir < 0 ? lineObj.text.length : 0; - } else return (possible = false); - } else ch = next; - return true; - } - - if (unit == "char") moveOnce(); - else if (unit == "column") moveOnce(true); - else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) break; - var cur = lineObj.text.charAt(ch) || "\n"; - var type = isWordChar(cur) ? "w" - : !group ? null - : /\s/.test(cur) ? null - : "p"; - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce();} - break; - } - if (type) sawType = type; - if (dir > 0 && !moveOnce(!first)) break; + lineNo++ + }) + for (var i = newBreaks.length - 1; i >= 0; i--) + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) } + }) + option("specialChars", /[\u0000-\u001f\u007f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g") + if (old != Init) { cm.refresh() } + }) + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true) + option("electricChars", true) + option("inputStyle", mobile ? "contenteditable" : "textarea", function () { + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME + }, true) + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true) + option("rtlMoveVisually", !windows) + option("wholeLineUpdateBefore", true) + + option("theme", "default", function (cm) { + themeChanged(cm) + guttersChanged(cm) + }, true) + option("keyMap", "default", function (cm, val, old) { + var next = getKeyMap(val) + var prev = old != Init && getKeyMap(old) + if (prev && prev.detach) { prev.detach(cm, next) } + if (next.attach) { next.attach(cm, prev || null) } + }) + option("extraKeys", null) + + option("lineWrapping", false, wrappingChanged, true) + option("gutters", [], function (cm) { + setGuttersForLineNumbers(cm.options) + guttersChanged(cm) + }, true) + option("fixedGutter", true, function (cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0" + cm.refresh() + }, true) + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true) + option("scrollbarStyle", "native", function (cm) { + initScrollbars(cm) + updateScrollbars(cm) + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop) + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft) + }, true) + option("lineNumbers", false, function (cm) { + setGuttersForLineNumbers(cm.options) + guttersChanged(cm) + }, true) + option("firstLineNumber", 1, guttersChanged, true) + option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true) + option("showCursorWhenSelecting", false, updateSelection, true) + + option("resetSelectionOnContextMenu", true) + option("lineWiseCopyCut", true) + + option("readOnly", false, function (cm, val) { + if (val == "nocursor") { + onBlur(cm) + cm.display.input.blur() + cm.display.disabled = true + } else { + cm.display.disabled = false + } + cm.display.input.readOnlyChanged(val) + }) + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset() }}, true) + option("dragDrop", true, dragDropChanged) + option("allowDropFileTypes", null) + + option("cursorBlinkRate", 530) + option("cursorScrollMargin", 0) + option("cursorHeight", 1, updateSelection, true) + option("singleCursorHeightPerLine", true, updateSelection, true) + option("workTime", 100) + option("workDelay", 100) + option("flattenSpans", true, resetModeState, true) + option("addModeClass", false, resetModeState, true) + option("pollInterval", 100) + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }) + option("historyEventDelay", 1250) + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true) + option("maxHighlightLength", 10000, resetModeState, true) + option("moveInputWithCursor", true, function (cm, val) { + if (!val) { cm.display.input.resetPosition() } + }) + + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }) + option("autofocus", null) +} + +function guttersChanged(cm) { + updateGutters(cm) + regChange(cm) + alignHorizontally(cm) +} + +function dragDropChanged(cm, value, old) { + var wasOn = old && old != Init + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions + var toggle = value ? on : off + toggle(cm.display.scroller, "dragstart", funcs.start) + toggle(cm.display.scroller, "dragenter", funcs.enter) + toggle(cm.display.scroller, "dragover", funcs.over) + toggle(cm.display.scroller, "dragleave", funcs.leave) + toggle(cm.display.scroller, "drop", funcs.drop) + } +} + +function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap") + cm.display.sizer.style.minWidth = "" + cm.display.sizerWidth = null + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap") + findMaxLine(cm) + } + estimateLineHeights(cm) + regChange(cm) + clearCaches(cm) + setTimeout(function () { return updateScrollbars(cm); }, 100) +} + +// A CodeMirror instance represents an editor. This is the object +// that user code is usually dealing with. + +function CodeMirror(place, options) { + var this$1 = this; + + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } + + this.options = options = options ? copyObj(options) : {} + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false) + setGuttersForLineNumbers(options) + + var doc = options.value + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator) } + this.doc = doc + + var input = new CodeMirror.inputStyles[options.inputStyle](this) + var display = this.display = new Display(place, doc, input) + display.wrapper.CodeMirror = this + updateGutters(this) + themeChanged(this) + if (options.lineWrapping) + { this.display.wrapper.className += " CodeMirror-wrap" } + initScrollbars(this) + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + } + + if (options.autofocus && !mobile) { display.input.focus() } + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20) } + + registerEventHandlers(this) + ensureGlobalHandlers() + + startOperation(this) + this.curOp.forceUpdate = true + attachDoc(this, doc) + + if ((options.autofocus && !mobile) || this.hasFocus()) + { setTimeout(bind(onFocus, this), 20) } + else + { onBlur(this) } + + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) + { optionHandlers[opt](this$1, options[opt], Init) } } + maybeUpdateLineNumberWidth(this) + if (options.finishInit) { options.finishInit(this) } + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1) } + endOperation(this) + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + { display.lineDiv.style.textRendering = "auto" } +} + +// The default configuration options. +CodeMirror.defaults = defaults +// Functions to run when options are changed. +CodeMirror.optionHandlers = optionHandlers + +// Attach the necessary event handlers when initializing the editor +function registerEventHandlers(cm) { + var d = cm.display + on(d.scroller, "mousedown", operation(cm, onMouseDown)) + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + { on(d.scroller, "dblclick", operation(cm, function (e) { + if (signalDOMEvent(cm, e)) { return } + var pos = posFromMouse(cm, e) + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } + e_preventDefault(e) + var word = cm.findWordAt(pos) + extendSelection(cm.doc, word.anchor, word.head) + })) } + else + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }) } + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }) } + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0} + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000) + prevTouch = d.activeTouch + prevTouch.end = +new Date + } + } + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) { return false } + var touch = e.touches[0] + return touch.radiusX <= 1 && touch.radiusY <= 1 + } + function farAway(touch, other) { + if (other.left == null) { return true } + var dx = other.left - touch.left, dy = other.top - touch.top + return dx * dx + dy * dy > 20 * 20 + } + on(d.scroller, "touchstart", function (e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { + d.input.ensurePolled() + clearTimeout(touchFinished) + var now = +new Date + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null} + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX + d.activeTouch.top = e.touches[0].pageY } } - var result = skipAtomic(doc, Pos(line, ch), origDir, true); - if (!possible) result.hitSide = true; - return result; - } - - function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - for (;;) { - var target = coordsChar(cm, x, y); - if (!target.outside) break; - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } - y += dir * 5; + }) + on(d.scroller, "touchmove", function () { + if (d.activeTouch) { d.activeTouch.moved = true } + }) + on(d.scroller, "touchend", function (e) { + var touch = d.activeTouch + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + { range = new Range(pos, pos) } + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + { range = cm.findWordAt(pos) } + else // Triple tap + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } + cm.setSelection(range.anchor, range.head) + cm.focus() + e_preventDefault(e) + } + finishTouch() + }) + on(d.scroller, "touchcancel", finishTouch) + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function () { + if (d.scroller.clientHeight) { + setScrollTop(cm, d.scroller.scrollTop) + setScrollLeft(cm, d.scroller.scrollLeft, true) + signal(cm, "scroll", cm) + } + }) + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }) + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }) + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }) + + d.dragFunctions = { + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e) }}, + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e) }}, + start: function (e) { return onDragStart(cm, e); }, + drop: operation(cm, onDrop), + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm) }} + } + + var inp = d.input.getField() + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }) + on(inp, "keydown", operation(cm, onKeyDown)) + on(inp, "keypress", operation(cm, onKeyPress)) + on(inp, "focus", function (e) { return onFocus(cm, e); }) + on(inp, "blur", function (e) { return onBlur(cm, e); }) +} + +var initHooks = [] +CodeMirror.defineInitHook = function (f) { return initHooks.push(f); } + +// Indent the given line. The how parameter can be "smart", +// "add"/null, "subtract", or "prev". When aggressive is false +// (typically set to true for forced single-line indents), empty +// lines are not indented, and places where the mode returns Pass +// are left alone. +function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state + if (how == null) { how = "add" } + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) { how = "prev" } + else { state = getStateBefore(cm, n) } + } + + var tabSize = cm.options.tabSize + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize) + if (line.stateAfter) { line.stateAfter = null } + var curSpaceString = line.text.match(/^\s*/)[0], indentation + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0 + how = "not" + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text) + if (indentation == Pass || indentation > 150) { + if (!aggressive) { return } + how = "prev" + } + } + if (how == "prev") { + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize) } + else { indentation = 0 } + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit + } else if (typeof how == "number") { + indentation = curSpace + how + } + indentation = Math.max(0, indentation) + + var indentString = "", pos = 0 + if (cm.options.indentWithTabs) + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t"} } + if (pos < indentation) { indentString += spaceStr(indentation - pos) } + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input") + line.stateAfter = null + return true + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { + var range = doc.sel.ranges[i$1] + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos$1 = Pos(n, curSpaceString.length) + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)) + break + } } - return target; } +} - function findWordAt(line, pos) { - var start = pos.ch, end = pos.ch; - if (line) { - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar) ? isWordChar - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return {from: Pos(pos.line, start), to: Pos(pos.line, end)}; - } +// This will be set to a {lineWise: bool, text: [string]} object, so +// that, when pasting, we know what kind of selections the copied +// text was made out of. +var lastCopied = null - function selectLine(cm, line) { - extendSelection(cm.doc, Pos(line, 0), clipPos(cm.doc, Pos(line + 1, 0))); - } +function setLastCopied(newLastCopied) { + lastCopied = newLastCopied +} - // PROTOTYPE +function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc + cm.display.shift = false + if (!sel) { sel = doc.sel } - // The publicly visible API. Note that operation(null, f) means - // 'wrap f in an operation, performed on its `this` parameter' + var paste = cm.state.pasteIncoming || origin == "paste" + var textLines = splitLinesAuto(inserted), multiPaste = null + // When pasing N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = [] + for (var i = 0; i < lastCopied.text.length; i++) + { multiPaste.push(doc.splitLines(lastCopied.text[i])) } + } + } else if (textLines.length == sel.ranges.length) { + multiPaste = map(textLines, function (l) { return [l]; }) + } + } + + var updateInput + // Normal behavior is to insert the new text into every selection + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { + var range = sel.ranges[i$1] + var from = range.from(), to = range.to() + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + { from = Pos(from.line, from.ch - deleted) } + else if (cm.state.overwrite && !paste) // Handle overwrite + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)) } + else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) + { from = to = Pos(from.line, 0) } + } + updateInput = cm.curOp.updateInput + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")} + makeChange(cm.doc, changeEvent) + signalLater(cm, "inputRead", cm, changeEvent) + } + if (inserted && !paste) + { triggerElectric(cm, inserted) } + + ensureCursorVisible(cm) + cm.curOp.updateInput = updateInput + cm.curOp.typing = true + cm.state.pasteIncoming = cm.state.cutIncoming = false +} + +function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("Text") + if (pasted) { + e.preventDefault() + if (!cm.isReadOnly() && !cm.options.disableInput) + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }) } + return true + } +} + +function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) { return } + var sel = cm.doc.sel + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i] + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue } + var mode = cm.getModeAt(range.head) + var indented = false + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart") + break + } } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + { indented = indentLine(cm, range.head.line, "smart") } + } + if (indented) { signalLater(cm, "electricInput", cm, range.head.line) } + } +} + +function copyableRanges(cm) { + var text = [], ranges = [] + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)} + ranges.push(lineRange) + text.push(cm.getRange(lineRange.anchor, lineRange.head)) + } + return {text: text, ranges: ranges} +} + +function disableBrowserMagic(field, spellcheck) { + field.setAttribute("autocorrect", "off") + field.setAttribute("autocapitalize", "off") + field.setAttribute("spellcheck", !!spellcheck) +} + +function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none") + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;") + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) { te.style.width = "1000px" } + else { te.setAttribute("wrap", "off") } + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) { te.style.border = "1px solid black" } + disableBrowserMagic(te) + return div +} + +// The publicly visible API. Note that methodOp(f) means +// 'wrap f in an operation, performed on its `this` parameter'. + +// This is not the complete set of editor methods. Most of the +// methods defined on the Doc type are also injected into +// CodeMirror.prototype, for backwards compatibility and +// convenience. + +function addEditorMethods(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers + + var helpers = CodeMirror.helpers = {} CodeMirror.prototype = { constructor: CodeMirror, - focus: function(){window.focus(); focusInput(this); fastPoll(this);}, + focus: function(){window.focus(); this.display.input.focus()}, setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") return; - options[option] = value; + var options = this.options, old = options[option] + if (options[option] == value && option != "mode") { return } + options[option] = value if (optionHandlers.hasOwnProperty(option)) - operation(this, optionHandlers[option])(this, value, old); + { operation(this, optionHandlers[option])(this, value, old) } + signal(this, "optionChange", this, option) }, - getOption: function(option) {return this.options[option];}, - getDoc: function() {return this.doc;}, + getOption: function(option) {return this.options[option]}, + getDoc: function() {return this.doc}, addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](map); + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)) }, removeKeyMap: function(map) { - var maps = this.state.keyMaps; + var maps = this.state.keyMaps for (var i = 0; i < maps.length; ++i) - if (maps[i] == map || (typeof maps[i] != "string" && maps[i].name == map)) { - maps.splice(i, 1); - return true; - } + { if (maps[i] == map || maps[i].name == map) { + maps.splice(i, 1) + return true + } } }, - addOverlay: operation(null, function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) throw new Error("Overlays may not be stateful."); - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); - this.state.modeGen++; - regChange(this); + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec) + if (mode.startState) { throw new Error("Overlays may not be stateful.") } + insertSorted(this.state.overlays, + {mode: mode, modeSpec: spec, opaque: options && options.opaque, + priority: (options && options.priority) || 0}, + function (overlay) { return overlay.priority; }) + this.state.modeGen++ + regChange(this) }), - removeOverlay: operation(null, function(spec) { - var overlays = this.state.overlays; + removeOverlay: methodOp(function(spec) { + var this$1 = this; + + var overlays = this.state.overlays for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; + var cur = overlays[i].modeSpec if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this.state.modeGen++; - regChange(this); - return; + overlays.splice(i, 1) + this$1.state.modeGen++ + regChange(this$1) + return } } }), - indentLine: operation(null, function(n, dir, aggressive) { + indentLine: methodOp(function(n, dir, aggressive) { if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev" } + else { dir = dir ? "add" : "subtract" } } - if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive) } }), - indentSelection: operation(null, function(how) { - var sel = this.doc.sel; - if (posEq(sel.from, sel.to)) return indentLine(this, sel.from.line, how); - var e = sel.to.line - (sel.to.ch ? 0 : 1); - for (var i = sel.from.line; i <= e; ++i) indentLine(this, i, how); + indentSelection: methodOp(function(how) { + var this$1 = this; + + var ranges = this.doc.sel.ranges, end = -1 + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i] + if (!range.empty()) { + var from = range.from(), to = range.to() + var start = Math.max(end, from.line) + end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1 + for (var j = start; j < end; ++j) + { indentLine(this$1, j, how) } + var newRanges = this$1.doc.sel.ranges + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll) } + } else if (range.head.line > end) { + indentLine(this$1, range.head.line, how, true) + end = range.head.line + if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1) } + } + } }), // Fetch the parser token for a given character. Useful for hacks // that want to inspect the mode state (say, for completion). getTokenAt: function(pos, precise) { - var doc = this.doc; - pos = clipPos(doc, pos); - var state = getStateBefore(this, pos.line, precise), mode = this.doc.mode; - var line = getLine(doc, pos.line); - var stream = new StringStream(line.text, this.options.tabSize); - while (stream.pos < pos.ch && !stream.eol()) { - stream.start = stream.pos; - var style = mode.token(stream, state); - } - return {start: stream.start, - end: stream.pos, - string: stream.current(), - className: style || null, // Deprecated, use 'type' instead - type: style || null, - state: state}; + return takeToken(this, pos, precise) + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true) }, getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - if (ch == 0) return styles[2]; - for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; - else if (styles[mid * 2 + 1] < ch) before = mid + 1; - else return styles[mid * 2 + 2]; - } + pos = clipPos(this.doc, pos) + var styles = getLineStyles(this, getLine(this.doc, pos.line)) + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch + var type + if (ch == 0) { type = styles[2] } + else { for (;;) { + var mid = (before + after) >> 1 + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid } + else if (styles[mid * 2 + 1] < ch) { before = mid + 1 } + else { type = styles[mid * 2 + 2]; break } + } } + var cut = type ? type.indexOf("overlay ") : -1 + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) }, getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) return mode; - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; + var mode = this.doc.mode + if (!mode.innerMode) { return mode } + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode }, getHelper: function(pos, type) { - if (!helpers.hasOwnProperty(type)) return; - var help = helpers[type], mode = this.getModeAt(pos); - return mode[type] && help[mode[type]] || - mode.helperType && help[mode.helperType] || - help[mode.name]; + return this.getHelpers(pos, type)[0] + }, + + getHelpers: function(pos, type) { + var this$1 = this; + + var found = [] + if (!helpers.hasOwnProperty(type)) { return found } + var help = helpers[type], mode = this.getModeAt(pos) + if (typeof mode[type] == "string") { + if (help[mode[type]]) { found.push(help[mode[type]]) } + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]] + if (val) { found.push(val) } + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]) + } else if (help[mode.name]) { + found.push(help[mode.name]) + } + for (var i$1 = 0; i$1 < help._global.length; i$1++) { + var cur = help._global[i$1] + if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1) + { found.push(cur.val) } + } + return found }, getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getStateBefore(this, line + 1, precise); + var doc = this.doc + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line) + return getStateBefore(this, line + 1, precise) }, cursorCoords: function(start, mode) { - var pos, sel = this.doc.sel; - if (start == null) pos = sel.head; - else if (typeof start == "object") pos = clipPos(this.doc, start); - else pos = start ? sel.from : sel.to; - return cursorCoords(this, pos, mode || "page"); + var pos, range = this.doc.sel.primary() + if (start == null) { pos = range.head } + else if (typeof start == "object") { pos = clipPos(this.doc, start) } + else { pos = start ? range.from() : range.to() } + return cursorCoords(this, pos, mode || "page") }, charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page"); + return charCoords(this, clipPos(this.doc, pos), mode || "page") }, coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top); + coords = fromCoordSystem(this, coords, mode || "page") + return coordsChar(this, coords.left, coords.top) }, lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset); + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top + return lineAtHeight(this.doc, height + this.display.viewOffset) }, - heightAtLine: function(line, mode) { - var end = false, last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } - var lineObj = getLine(this.doc, line); - return intoCoordSystem(this, getLine(this.doc, line), {top: 0, left: 0}, mode || "page").top + - (end ? lineObj.height : 0); - }, - - defaultTextHeight: function() { return textHeight(this.display); }, - defaultCharWidth: function() { return charWidth(this.display); }, - - setGutterMarker: operation(null, function(line, gutterID, value) { - return changeLine(this, line, function(line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) line.gutterMarkers = null; - return true; - }); - }), - - clearGutter: operation(null, function(gutterID) { - var cm = this, doc = cm.doc, i = doc.first; - doc.iter(function(line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - line.gutterMarkers[gutterID] = null; - regChange(cm, i, i + 1); - if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; - } - ++i; - }); - }), - - addLineClass: operation(null, function(handle, where, cls) { - return changeLine(this, handle, function(line) { - var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass"; - if (!line[prop]) line[prop] = cls; - else if (new RegExp("(?:^|\\s)" + cls + "(?:$|\\s)").test(line[prop])) return false; - else line[prop] += " " + cls; - return true; - }); - }), - - removeLineClass: operation(null, function(handle, where, cls) { - return changeLine(this, handle, function(line) { - var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) return false; - else if (cls == null) line[prop] = null; - else { - var found = cur.match(new RegExp("(?:^|\\s+)" + cls + "(?:$|\\s+)")); - if (!found) return false; - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; - } - return true; - }); - }), - - addLineWidget: operation(null, function(handle, node, options) { - return addLineWidget(this, handle, node, options); - }), - - removeLineWidget: function(widget) { widget.clear(); }, - - lineInfo: function(line) { + heightAtLine: function(line, mode, includeWidgets) { + var end = false, lineObj if (typeof line == "number") { - if (!isLine(this.doc, line)) return null; - var n = line; - line = getLine(this.doc, line); - if (!line) return null; + var last = this.doc.first + this.doc.size - 1 + if (line < this.doc.first) { line = this.doc.first } + else if (line > last) { line = last; end = true } + lineObj = getLine(this.doc, line) } else { - var n = lineNo(line); - if (n == null) return null; + lineObj = line } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets}; + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets).top + + (end ? this.doc.height - heightAtLine(lineObj) : 0) }, - getViewport: function() { return {from: this.display.showingFrom, to: this.display.showingTo};}, + defaultTextHeight: function() { return textHeight(this.display) }, + defaultCharWidth: function() { return charWidth(this.display) }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - display.sizer.appendChild(node); + var display = this.display + pos = cursorCoords(this, clipPos(this.doc, pos)) + var top = pos.bottom, left = pos.left + node.style.position = "absolute" + node.setAttribute("cm-ignore-events", "true") + this.display.input.setUneditable(node) + display.sizer.appendChild(node) if (vert == "over") { - top = pos.top; + top = pos.top } else if (vert == "above" || vert == "near") { var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth) // Default to positioning above (if specified and possible); otherwise default to positioning below if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - top = pos.top - node.offsetHeight; + { top = pos.top - node.offsetHeight } else if (pos.bottom + node.offsetHeight <= vspace) - top = pos.bottom; + { top = pos.bottom } if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; + { left = hspace - node.offsetWidth } } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; + node.style.top = top + "px" + node.style.left = node.style.right = "" if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; + left = display.sizer.clientWidth - node.offsetWidth + node.style.right = "0px" } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; - node.style.left = left + "px"; + if (horiz == "left") { left = 0 } + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2 } + node.style.left = left + "px" } if (scroll) - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); + { scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight) } }, - triggerOnKeyDown: operation(null, onKeyDown), + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + { return commands[cmd].call(null, this) } + }, - execCommand: function(cmd) {return commands[cmd](this);}, + triggerElectric: methodOp(function(text) { triggerElectric(this, text) }), findPosH: function(from, amount, unit, visually) { - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - cur = findPosH(this.doc, cur, dir, unit, visually); - if (cur.hitSide) break; + var this$1 = this; + + var dir = 1 + if (amount < 0) { dir = -1; amount = -amount } + var cur = clipPos(this.doc, from) + for (var i = 0; i < amount; ++i) { + cur = findPosH(this$1.doc, cur, dir, unit, visually) + if (cur.hitSide) { break } } - return cur; + return cur }, - moveH: operation(null, function(dir, unit) { - var sel = this.doc.sel, pos; - if (sel.shift || sel.extend || posEq(sel.from, sel.to)) - pos = findPosH(this.doc, sel.head, dir, unit, this.options.rtlMoveVisually); - else - pos = dir < 0 ? sel.from : sel.to; - extendSelection(this.doc, pos, pos, dir); + moveH: methodOp(function(dir, unit) { + var this$1 = this; + + this.extendSelectionsBy(function (range) { + if (this$1.display.shift || this$1.doc.extend || range.empty()) + { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) } + else + { return dir < 0 ? range.from() : range.to() } + }, sel_move) }), - deleteH: operation(null, function(dir, unit) { - var sel = this.doc.sel; - if (!posEq(sel.from, sel.to)) replaceRange(this.doc, "", sel.from, sel.to, "+delete"); - else replaceRange(this.doc, "", sel.from, findPosH(this.doc, sel.head, dir, unit, false), "+delete"); - this.curOp.userSelChange = true; + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc + if (sel.somethingSelected()) + { doc.replaceSelection("", null, "+delete") } + else + { deleteNearSelection(this, function (range) { + var other = findPosH(doc, range.head, dir, unit, false) + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other} + }) } }), findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - var coords = cursorCoords(this, cur, "div"); - if (x == null) x = coords.left; - else coords.left = x; - cur = findPosV(this, coords, dir, unit); - if (cur.hitSide) break; + var this$1 = this; + + var dir = 1, x = goalColumn + if (amount < 0) { dir = -1; amount = -amount } + var cur = clipPos(this.doc, from) + for (var i = 0; i < amount; ++i) { + var coords = cursorCoords(this$1, cur, "div") + if (x == null) { x = coords.left } + else { coords.left = x } + cur = findPosV(this$1, coords, dir, unit) + if (cur.hitSide) { break } } - return cur; + return cur }, - moveV: operation(null, function(dir, unit) { - var sel = this.doc.sel; - var pos = cursorCoords(this, sel.head, "div"); - if (sel.goalColumn != null) pos.left = sel.goalColumn; - var target = findPosV(this, pos, dir, unit); - - if (unit == "page") addToScrollPos(this, 0, charCoords(this, target, "div").top - pos.top); - extendSelection(this.doc, target, target, dir); - sel.goalColumn = pos.left; + moveV: methodOp(function(dir, unit) { + var this$1 = this; + + var doc = this.doc, goals = [] + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected() + doc.extendSelectionsBy(function (range) { + if (collapse) + { return dir < 0 ? range.from() : range.to() } + var headPos = cursorCoords(this$1, range.head, "div") + if (range.goalColumn != null) { headPos.left = range.goalColumn } + goals.push(headPos.left) + var pos = findPosV(this$1, headPos, dir, unit) + if (unit == "page" && range == doc.sel.primary()) + { addToScrollPos(this$1, null, charCoords(this$1, pos, "div").top - headPos.top) } + return pos + }, sel_move) + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) + { doc.sel.ranges[i].goalColumn = goals[i] } } }), + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text + var start = pos.ch, end = pos.ch + if (line) { + var helper = this.getHelper(pos, "wordChars") + if ((pos.xRel < 0 || end == line.length) && start) { --start; } else { ++end } + var startChar = line.charAt(start) + var check = isWordChar(startChar, helper) + ? function (ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); } + while (start > 0 && check(line.charAt(start - 1))) { --start } + while (end < line.length && check(line.charAt(end))) { ++end } + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)) + }, + toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) return; + if (value != null && value == this.state.overwrite) { return } if (this.state.overwrite = !this.state.overwrite) - this.display.cursor.className += " CodeMirror-overwrite"; + { addClass(this.display.cursorDiv, "CodeMirror-overwrite") } else - this.display.cursor.className = this.display.cursor.className.replace(" CodeMirror-overwrite", ""); + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite") } + + signal(this, "overwriteToggle", this, this.state.overwrite) }, - hasFocus: function() { return this.state.focused; }, + hasFocus: function() { return this.display.input.getField() == activeElt() }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, - scrollTo: operation(null, function(x, y) { - updateScrollPos(this, x, y); + scrollTo: methodOp(function(x, y) { + if (x != null || y != null) { resolveScrollToPos(this) } + if (x != null) { this.curOp.scrollLeft = x } + if (y != null) { this.curOp.scrollTop = y } }), getScrollInfo: function() { - var scroller = this.display.scroller, co = scrollerCutOff; + var scroller = this.display.scroller return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - co, width: scroller.scrollWidth - co, - clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co}; + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)} }, - scrollIntoView: operation(null, function(range, margin) { - if (range == null) range = {from: this.doc.sel.head, to: null}; - else if (typeof range == "number") range = {from: Pos(range, 0), to: null}; - else if (range.from == null) range = {from: range, to: null}; - if (!range.to) range.to = range.from; - if (!margin) margin = 0; + scrollIntoView: methodOp(function(range, margin) { + if (range == null) { + range = {from: this.doc.sel.primary().head, to: null} + if (margin == null) { margin = this.options.cursorScrollMargin } + } else if (typeof range == "number") { + range = {from: Pos(range, 0), to: null} + } else if (range.from == null) { + range = {from: range, to: null} + } + if (!range.to) { range.to = range.from } + range.margin = margin || 0 - var coords = range; if (range.from.line != null) { - this.curOp.scrollToPos = {from: range.from, to: range.to, margin: margin}; - coords = {from: cursorCoords(this, range.from), - to: cursorCoords(this, range.to)}; + resolveScrollToPos(this) + this.curOp.scrollToPos = range + } else { + var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), + Math.min(range.from.top, range.to.top) - range.margin, + Math.max(range.from.right, range.to.right), + Math.max(range.from.bottom, range.to.bottom) + range.margin) + this.scrollTo(sPos.scrollLeft, sPos.scrollTop) } - var sPos = calculateScrollPos(this, Math.min(coords.from.left, coords.to.left), - Math.min(coords.from.top, coords.to.top) - margin, - Math.max(coords.from.right, coords.to.right), - Math.max(coords.from.bottom, coords.to.bottom) + margin); - updateScrollPos(this, sPos.scrollLeft, sPos.scrollTop); }), - setSize: operation(null, function(width, height) { - function interpret(val) { - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; - } - if (width != null) this.display.wrapper.style.width = interpret(width); - if (height != null) this.display.wrapper.style.height = interpret(height); - if (this.options.lineWrapping) - this.display.measureLineCache.length = this.display.measureLineCachePos = 0; - this.curOp.forceUpdate = true; + setSize: methodOp(function(width, height) { + var this$1 = this; + + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; } + if (width != null) { this.display.wrapper.style.width = interpret(width) } + if (height != null) { this.display.wrapper.style.height = interpret(height) } + if (this.options.lineWrapping) { clearLineMeasurementCache(this) } + var lineNo = this.display.viewFrom + this.doc.iter(lineNo, this.display.viewTo, function (line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } } + ++lineNo + }) + this.curOp.forceUpdate = true + signal(this, "refresh", this) }), - operation: function(f){return runInOp(this, f);}, - - refresh: operation(null, function() { - var badHeight = this.display.cachedTextHeight == null; - clearCaches(this); - updateScrollPos(this, this.doc.scrollLeft, this.doc.scrollTop); - regChange(this); - if (badHeight) estimateLineHeights(this); + operation: function(f){return runInOp(this, f)}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight + regChange(this) + this.curOp.forceUpdate = true + clearCaches(this) + this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop) + updateGutterSpace(this) + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + { estimateLineHeights(this) } + signal(this, "refresh", this) }), - swapDoc: operation(null, function(doc) { - var old = this.doc; - old.cm = null; - attachDoc(this, doc); - clearCaches(this); - resetInput(this, true); - updateScrollPos(this, doc.scrollLeft, doc.scrollTop); - signalLater(this, "swapDoc", this, old); - return old; + swapDoc: methodOp(function(doc) { + var old = this.doc + old.cm = null + attachDoc(this, doc) + clearCaches(this) + this.display.input.reset() + this.scrollTo(doc.scrollLeft, doc.scrollTop) + this.curOp.forceScroll = true + signalLater(this, "swapDoc", this, old) + return old }), - getInputField: function(){return this.display.input;}, - getWrapperElement: function(){return this.display.wrapper;}, - getScrollerElement: function(){return this.display.scroller;}, - getGutterElement: function(){return this.display.gutters;} - }; - eventMixin(CodeMirror); - - // OPTION DEFAULTS - - var optionHandlers = CodeMirror.optionHandlers = {}; - - // The default configuration options. - var defaults = CodeMirror.defaults = {}; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) optionHandlers[name] = - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; + getInputField: function(){return this.display.input.getField()}, + getWrapperElement: function(){return this.display.wrapper}, + getScrollerElement: function(){return this.display.scroller}, + getGutterElement: function(){return this.display.gutters} } + eventMixin(CodeMirror) - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function(cm, val) { - cm.setValue(val); - }, true); - option("mode", null, function(cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function(cm) { - loadMode(cm); - clearCaches(cm); - regChange(cm); - }, true); - option("specialChars", /[\t\u0000-\u0019\u00ad\u200b\u2028\u2029\ufeff]/g, function(cm, val) { - cm.options.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - cm.refresh(); - }, true); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); - option("electricChars", true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); - - option("theme", "default", function(cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", keyMapChanged); - option("extraKeys", null); - - option("onKeyEvent", null); - option("onDragEvent", null); - - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function(cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, updateScrollbars, true); - option("lineNumbers", false, function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - - option("readOnly", false, function(cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); - cm.display.disabled = true; - } else { - cm.display.disabled = false; - if (!val) resetInput(cm, true); - } - }); - option("dragDrop", true); - - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true); - option("pollInterval", 100); - option("undoDepth", 40, function(cm, val){cm.doc.history.undoDepth = val;}); - option("historyEventDelay", 500); - option("viewportMargin", 10, function(cm){cm.refresh();}, true); - option("maxHighlightLength", 10000, function(cm){loadMode(cm); cm.refresh();}, true); - option("crudeMeasuringFrom", 10000); - option("moveInputWithCursor", true, function(cm, val) { - if (!val) cm.display.inputDiv.style.top = cm.display.inputDiv.style.left = 0; - }); - - option("tabindex", null, function(cm, val) { - cm.display.input.tabIndex = val || ""; - }); - option("autofocus", null); - - // MODE DEFINITION AND QUERYING - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) { - mode.dependencies = []; - for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); - } - modes[name] = mode; - }; - - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return CodeMirror.resolveMode("application/xml"); - } - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; - - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) continue; - if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; - modeObj[prop] = exts[prop]; - } - } - modeObj.name = spec.name; - - return modeObj; - }; - - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); - }; - - // EXTENSIONS - - CodeMirror.defineExtension = function(name, func) { - CodeMirror.prototype[name] = func; - }; - CodeMirror.defineDocExtension = function(name, func) { - Doc.prototype[name] = func; - }; - CodeMirror.defineOption = option; - - var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; - - var helpers = CodeMirror.helpers = {}; CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {}; - helpers[type][name] = value; - }; - - // UTILITIES - - CodeMirror.isWordChar = isWordChar; - - // MODE STATE HANDLING - - // Utility functions for working with state. Exported because modes - // sometimes need to do this. - function copyState(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - } - CodeMirror.copyState = copyState; - - function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - } - CodeMirror.startState = startState; - - CodeMirror.innerMode = function(mode, state) { - while (mode.innerMode) { - var info = mode.innerMode(state); - if (!info || info.mode == mode) break; - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state}; - }; - - // STANDARD COMMANDS - - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()));}, - killLine: function(cm) { - var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); - if (!sel && cm.getLine(from.line).length == from.ch) - cm.replaceRange("", from, Pos(from.line + 1, 0), "+delete"); - else cm.replaceRange("", from, sel ? to : Pos(from.line), "+delete"); - }, - deleteLine: function(cm) { - var l = cm.getCursor().line; - cm.replaceRange("", Pos(l, 0), Pos(l), "+delete"); - }, - delLineLeft: function(cm) { - var cur = cm.getCursor(); - cm.replaceRange("", Pos(cur.line, 0), cur, "+delete"); - }, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, - goLineStart: function(cm) { - cm.extendSelection(lineStart(cm, cm.getCursor().line)); - }, - goLineStartSmart: function(cm) { - var cur = cm.getCursor(), start = lineStart(cm, cur.line); - var line = cm.getLineHandle(start.line); - var order = getOrder(line); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)); - var inWS = cur.line == start.line && cur.ch <= firstNonWS && cur.ch; - cm.extendSelection(Pos(start.line, inWS ? 0 : firstNonWS)); - } else cm.extendSelection(start); - }, - goLineEnd: function(cm) { - cm.extendSelection(lineEnd(cm, cm.getCursor().line)); - }, - goLineRight: function(cm) { - var top = cm.charCoords(cm.getCursor(), "div").top + 5; - cm.extendSelection(cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")); - }, - goLineLeft: function(cm) { - var top = cm.charCoords(cm.getCursor(), "div").top + 5; - cm.extendSelection(cm.coordsChar({left: 0, top: top}, "div")); - }, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goGroupRight: function(cm) {cm.moveH(1, "group");}, - goGroupLeft: function(cm) {cm.moveH(-1, "group");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharBefore: function(cm) {cm.deleteH(-1, "char");}, - delCharAfter: function(cm) {cm.deleteH(1, "char");}, - delWordBefore: function(cm) {cm.deleteH(-1, "word");}, - delWordAfter: function(cm) {cm.deleteH(1, "word");}, - delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, - delGroupAfter: function(cm) {cm.deleteH(1, "group");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t", "end", "+input");}, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.replaceSelection("\t", "end", "+input"); - }, - transposeChars: function(cm) { - var cur = cm.getCursor(), line = cm.getLine(cur.line); - if (cur.ch > 0 && cur.ch < line.length - 1) - cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), - Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1)); - }, - newlineAndIndent: function(cm) { - operation(cm, function() { - cm.replaceSelection("\n", "end", "+input"); - cm.indentLine(cm.getCursor().line, null, true); - })(); - }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - // STANDARD KEYMAPS - - var keyMap = CodeMirror.keyMap = {}; - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" - }; - // Note that the save and find-related commands aren't defined by - // default. Unknown commands are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - fallthrough: "basic" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delLineLeft", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; - - // KEYMAP DISPATCH - - function getKeyMap(val) { - if (typeof val == "string") return keyMap[val]; - else return val; - } - - function lookupKey(name, maps, handle) { - function lookup(map) { - map = getKeyMap(map); - var found = map[name]; - if (found === false) return "stop"; - if (found != null && handle(found)) return true; - if (map.nofallthrough) return "stop"; - - var fallthrough = map.fallthrough; - if (fallthrough == null) return false; - if (Object.prototype.toString.call(fallthrough) != "[object Array]") - return lookup(fallthrough); - for (var i = 0, e = fallthrough.length; i < e; ++i) { - var done = lookup(fallthrough[i]); - if (done) return done; - } - return false; - } - - for (var i = 0; i < maps.length; ++i) { - var done = lookup(maps[i]); - if (done) return done != "stop"; - } - } - function isModifierKey(event) { - var name = keyNames[event.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - } - function keyName(event, noShift) { - if (opera && event.keyCode == 34 && event["char"]) return false; - var name = keyNames[event.keyCode]; - if (name == null || event.altGraphKey) return false; - if (event.altKey) name = "Alt-" + name; - if (flipCtrlCmd ? event.metaKey : event.ctrlKey) name = "Ctrl-" + name; - if (flipCtrlCmd ? event.ctrlKey : event.metaKey) name = "Cmd-" + name; - if (!noShift && event.shiftKey) name = "Shift-" + name; - return name; - } - CodeMirror.lookupKey = lookupKey; - CodeMirror.isModifierKey = isModifierKey; - CodeMirror.keyName = keyName; - - // FROMTEXTAREA - - CodeMirror.fromTextArea = function(textarea, options) { - if (!options) options = {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabindex) - options.tabindex = textarea.tabindex; - if (!options.placeholder && textarea.placeholder) - options.placeholder = textarea.placeholder; - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = document.body; - // doc.activeElement occasionally throws on IE - try { hasFocus = document.activeElement; } catch(e) {} - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form, realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function() { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - textarea.style.display = "none"; - var cm = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - return cm; - }; - - // STRING STREAM - - // Fed to the mode parsers, provides helper functions to make - // parsers more succinct. - - // The character stream used by a mode's parser. - function StringStream(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - } - - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == 0;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue; - }, - indentation: function() {return countColumn(this.string, null, this.tabSize);}, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) return null; - if (match && consume !== false) this.pos += match[0].length; - return match; - } - }, - current: function(){return this.string.slice(this.start, this.pos);} - }; - CodeMirror.StringStream = StringStream; - - // TEXTMARKERS - - function TextMarker(doc, type) { - this.lines = []; - this.type = type; - this.doc = doc; - } - CodeMirror.TextMarker = TextMarker; - eventMixin(TextMarker); - - TextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) startOperation(cm); - if (hasHandler(this, "clear")) { - var found = this.find(); - if (found) signalLater(this, "clear", found.from, found.to); - } - var min = null, max = null; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.to != null) max = lineNo(line); - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from != null) - min = lineNo(line); - else if (this.collapsed && !lineIsHidden(this.doc, line) && cm) - updateLineHeight(line, textHeight(cm.display)); - } - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { - var visual = visualLine(cm.doc, this.lines[i]), len = lineLength(cm.doc, visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; - } - } - - if (min != null && cm) regChange(cm, min, max + 1); - this.lines.length = 0; - this.explicitlyCleared = true; - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false; - if (cm) reCheckSelection(cm); - } - if (withOp) endOperation(cm); - }; - - TextMarker.prototype.find = function() { - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null || span.to != null) { - var found = lineNo(line); - if (span.from != null) from = Pos(found, span.from); - if (span.to != null) to = Pos(found, span.to); - } - } - if (this.type == "bookmark") return from; - return from && {from: from, to: to}; - }; - - TextMarker.prototype.changed = function() { - var pos = this.find(), cm = this.doc.cm; - if (!pos || !cm) return; - if (this.type != "bookmark") pos = pos.from; - var line = getLine(this.doc, pos.line); - clearCachedMeasurement(cm, line); - if (pos.line >= cm.display.showingFrom && pos.line < cm.display.showingTo) { - for (var node = cm.display.lineDiv.firstChild; node; node = node.nextSibling) if (node.lineObj == line) { - if (node.offsetHeight != line.height) updateLineHeight(line, node.offsetHeight); - break; - } - runInOp(cm, function() { - cm.curOp.selectionChanged = cm.curOp.forceUpdate = cm.curOp.updateMaxLine = true; - }); - } - }; - - TextMarker.prototype.attachLine = function(line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); - } - this.lines.push(line); - }; - TextMarker.prototype.detachLine = function(line) { - this.lines.splice(indexOf(this.lines, line), 1); - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); - } - }; - - function markText(doc, from, to, options, type) { - if (options && options.shared) return markTextShared(doc, from, to, options, type); - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); - - var marker = new TextMarker(doc, type); - if (posLess(to, from) || posEq(from, to) && type == "range" && - !(options.inclusiveLeft && options.inclusiveRight)) - return marker; - if (options) copyObj(options, marker); - if (marker.replacedWith) { - marker.collapsed = true; - marker.replacedWith = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.replacedWith.ignoreEvents = true; - } - if (marker.collapsed) sawCollapsedSpans = true; - - if (marker.addToHistory) - addToHistory(doc, {from: from, to: to, origin: "markText"}, - {head: doc.sel.head, anchor: doc.sel.anchor}, NaN); - - var curLine = from.line, size = 0, collapsedAtStart, collapsedAtEnd, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function(line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(doc, line) == cm.display.maxLine) - updateMaxLine = true; - var span = {from: null, to: null, marker: marker}; - size += line.text.length; - if (curLine == from.line) {span.from = from.ch; size -= from.ch;} - if (curLine == to.line) {span.to = to.ch; size -= line.text.length - to.ch;} - if (marker.collapsed) { - if (curLine == to.line) collapsedAtEnd = collapsedSpanAt(line, to.ch); - if (curLine == from.line) collapsedAtStart = collapsedSpanAt(line, from.ch); - else updateLineHeight(line, 0); - } - addMarkedSpan(line, span); - ++curLine; - }); - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { - if (lineIsHidden(doc, line)) updateLineHeight(line, 0); - }); - - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); - - if (marker.readOnly) { - sawReadOnlySpans = true; - if (doc.history.done.length || doc.history.undone.length) - doc.clearHistory(); - } - if (marker.collapsed) { - if (collapsedAtStart != collapsedAtEnd) - throw new Error("Inserting collapsed marker overlapping an existing one"); - marker.size = size; - marker.atomic = true; - } - if (cm) { - if (updateMaxLine) cm.curOp.updateMaxLine = true; - if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.collapsed) - regChange(cm, from.line, to.line + 1); - if (marker.atomic) reCheckSelection(cm); - } - return marker; - } - - // SHARED TEXTMARKERS - - function SharedTextMarker(markers, primary) { - this.markers = markers; - this.primary = primary; - for (var i = 0, me = this; i < markers.length; ++i) { - markers[i].parent = this; - on(markers[i], "clear", function(){me.clear();}); - } - } - CodeMirror.SharedTextMarker = SharedTextMarker; - eventMixin(SharedTextMarker); - - SharedTextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - this.markers[i].clear(); - signalLater(this, "clear"); - }; - SharedTextMarker.prototype.find = function() { - return this.primary.find(); - }; - - function markTextShared(doc, from, to, options, type) { - options = copyObj(options); - options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; - var widget = options.replacedWith; - linkedDocs(doc, function(doc) { - if (widget) options.replacedWith = widget.cloneNode(true); - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); - for (var i = 0; i < doc.linked.length; ++i) - if (doc.linked[i].isParent) return; - primary = lst(markers); - }); - return new SharedTextMarker(markers, primary); - } - - // TEXTMARKER SPANS - - function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } - } - function removeMarkedSpan(spans, span) { - for (var r, i = 0; i < spans.length; ++i) - if (spans[i] != span) (r || (r = [])).push(spans[i]); - return r; - } - function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - span.marker.attachLine(line); - } - - function markedSpansBefore(old, startCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || - (marker.inclusiveLeft && marker.inclusiveRight || marker.type == "bookmark") && - span.from == startCh && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push({from: span.from, - to: endsAfter ? null : span.to, - marker: marker}); - } - } - return nw; - } - - function markedSpansAfter(old, endCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || marker.type == "bookmark" && span.from == endCh && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh, - to: span.to == null ? null : span.to - endCh, - marker: marker}); - } - } - return nw; - } - - function stretchSpansOverChange(doc, change) { - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) return null; - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = posEq(change.from, change.to); - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i = 0; i < last.length; ++i) { - var span = last[i]; - if (span.to != null) span.to += offset; - if (span.from == null) { - var found = getMarkedSpanFor(first, span.marker); - if (!found) { - span.from = offset; - if (sameLine) (first || (first = [])).push(span); - } - } else { - span.from += offset; - if (sameLine) (first || (first = [])).push(span); - } - } - } - if (sameLine && first) { - // Make sure we didn't create any zero-length spans - for (var i = 0; i < first.length; ++i) - if (first[i].from != null && first[i].from == first[i].to && first[i].marker.type != "bookmark") - first.splice(i--, 1); - if (!first.length) first = null; - } - - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - for (var i = 0; i < first.length; ++i) - if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker}); - for (var i = 0; i < gap; ++i) - newMarkers.push(gapMarkers); - newMarkers.push(last); - } - return newMarkers; - } - - function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) return stretched; - if (!stretched) return old; - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - if (oldCur[k].marker == span.marker) continue spans; - oldCur.push(span); - } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old; - } - - function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function(line) { - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - (markers || (markers = [])).push(mark); - } - }); - if (!markers) return null; - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (posLess(p.to, m.from) || posLess(m.to, p.from)) continue; - var newParts = [j, 1]; - if (posLess(p.from, m.from) || !mk.inclusiveLeft && posEq(p.from, m.from)) - newParts.push({from: p.from, to: m.from}); - if (posLess(m.to, p.to) || !mk.inclusiveRight && posEq(p.to, m.to)) - newParts.push({from: m.to, to: p.to}); - parts.splice.apply(parts, newParts); - j += newParts.length - 1; - } - } - return parts; - } - - function collapsedSpanAt(line, ch) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if ((sp.from == null || sp.from < ch) && - (sp.to == null || sp.to > ch) && - (!found || found.width < sp.marker.width)) - found = sp.marker; - } - return found; - } - function collapsedSpanAtStart(line) { return collapsedSpanAt(line, -1); } - function collapsedSpanAtEnd(line) { return collapsedSpanAt(line, line.text.length + 1); } - - function visualLine(doc, line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - line = getLine(doc, merged.find().from.line); - return line; - } - - function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if (sp.from == null) return true; - if (sp.marker.replacedWith) continue; - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - return true; - } - } - function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find().to, endLine = getLine(doc, end.line); - return lineIsHiddenInner(doc, endLine, getMarkedSpanFor(endLine.markedSpans, span.marker)); - } - if (span.marker.inclusiveRight && span.to == line.text.length) - return true; - for (var sp, i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.replacedWith && sp.from == span.to && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) return true; - } - } - - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.detachLine(line); - line.markedSpans = null; - } - - function attachMarkedSpans(line, spans) { - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.attachLine(line); - line.markedSpans = spans; - } - - // LINE WIDGETS - - var LineWidget = CodeMirror.LineWidget = function(cm, node, options) { - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - this[opt] = options[opt]; - this.cm = cm; - this.node = node; - }; - eventMixin(LineWidget); - function widgetOperation(f) { - return function() { - var withOp = !this.cm.curOp; - if (withOp) startOperation(this.cm); - try {var result = f.apply(this, arguments);} - finally {if (withOp) endOperation(this.cm);} - return result; - }; - } - LineWidget.prototype.clear = widgetOperation(function() { - var ws = this.line.widgets, no = lineNo(this.line); - if (no == null || !ws) return; - for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); - if (!ws.length) this.line.widgets = null; - var aboveVisible = heightAtLine(this.cm, this.line) < this.cm.doc.scrollTop; - updateLineHeight(this.line, Math.max(0, this.line.height - widgetHeight(this))); - if (aboveVisible) addToScrollPos(this.cm, 0, -this.height); - regChange(this.cm, no, no + 1); - }); - LineWidget.prototype.changed = widgetOperation(function() { - var oldH = this.height; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) return; - updateLineHeight(this.line, this.line.height + diff); - var no = lineNo(this.line); - regChange(this.cm, no, no + 1); - }); - - function widgetHeight(widget) { - if (widget.height != null) return widget.height; - if (!widget.node.parentNode || widget.node.parentNode.nodeType != 1) - removeChildrenAndAdd(widget.cm.display.measure, elt("div", [widget.node], null, "position: relative")); - return widget.height = widget.node.offsetHeight; - } - - function addLineWidget(cm, handle, node, options) { - var widget = new LineWidget(cm, node, options); - if (widget.noHScroll) cm.display.alignWidgets = true; - changeLine(cm, handle, function(line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) widgets.push(widget); - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); - widget.line = line; - if (!lineIsHidden(cm.doc, line) || widget.showIfHidden) { - var aboveVisible = heightAtLine(cm, line) < cm.doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) addToScrollPos(cm, 0, widget.height); - } - return true; - }); - return widget; - } - - // LINE DATA STRUCTURE - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; - }; - eventMixin(Line); - Line.prototype.lineNo = function() { return lineNo(this); }; - - function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - if (line.order != null) line.order = null; - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) updateLineHeight(line, estHeight); - } - - function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); - } - - // Run the given mode's parser over a line, update the styles - // array, which contains alternating fragments of text and CSS - // classes. - function runMode(cm, text, mode, state, f, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize), style; - if (text == "" && mode.blankLine) mode.blankLine(state); - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) processLine(cm, text, state, stream.pos); - stream.pos = text.length; - style = null; - } else { - style = mode.token(stream, state); - } - if (!flattenSpans || curStyle != style) { - if (curStart < stream.start) f(stream.start, curStyle); - curStart = stream.start; curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 characters - var pos = Math.min(stream.pos, curStart + 50000); - f(pos, curStyle); - curStart = pos; - } - } - - function highlightLine(cm, line, state, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen]; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function(end, style) { - st.push(end, style); - }, forceToEnd); - - // Run overlays, adjust style array. - for (var o = 0; o < cm.state.overlays.length; ++o) { - var overlay = cm.state.overlays[o], i = 1, at = 0; - runMode(cm, line.text, overlay.mode, true, function(end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - st.splice(i, 1, end, st[i+1], i_end); - i += 2; - at = Math.min(end, i_end); - } - if (!style) return; - if (overlay.opaque) { - st.splice(start, i - start, end, style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = cur ? cur + " " + style : style; - } - } - }); - } - - return st; - } - - function getLineStyles(cm, line) { - if (!line.styles || line.styles[0] != cm.state.modeGen) - line.styles = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line))); - return line.styles; - } - - // Lightweight form of highlight -- proceed over this line and - // update state, but don't save a style array. - function processLine(cm, text, state, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize); - stream.start = stream.pos = startAt || 0; - if (text == "" && mode.blankLine) mode.blankLine(state); - while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength) { - mode.token(stream, state); - stream.start = stream.pos; - } - } - - var styleToClassCache = {}; - function interpretTokenStyle(style, builder) { - if (!style) return null; - for (;;) { - var lineClass = style.match(/(?:^|\s)line-(background-)?(\S+)/); - if (!lineClass) break; - style = style.slice(0, lineClass.index) + style.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (builder[prop] == null) - builder[prop] = lineClass[2]; - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(builder[prop])) - builder[prop] += " " + lineClass[2]; - } - return styleToClassCache[style] || - (styleToClassCache[style] = "cm-" + style.replace(/ +/g, " cm-")); - } - - function buildLineContent(cm, realLine, measure, copyWidgets) { - var merged, line = realLine, empty = true; - while (merged = collapsedSpanAtStart(line)) - line = getLine(cm.doc, merged.find().from.line); - - var builder = {pre: elt("pre"), col: 0, pos: 0, - measure: null, measuredSomething: false, cm: cm, - copyWidgets: copyWidgets}; - - do { - if (line.text) empty = false; - builder.measure = line == realLine && measure; - builder.pos = 0; - builder.addToken = builder.measure ? buildTokenMeasure : buildToken; - if ((ie || webkit) && cm.getOption("lineWrapping")) - builder.addToken = buildTokenSplitSpaces(builder.addToken); - var next = insertLineContent(line, builder, getLineStyles(cm, line)); - if (measure && line == realLine && !builder.measuredSomething) { - measure[0] = builder.pre.appendChild(zeroWidthElement(cm.display.measure)); - builder.measuredSomething = true; - } - if (next) line = getLine(cm.doc, next.to.line); - } while (next); - - if (measure && !builder.measuredSomething && !measure[0]) - measure[0] = builder.pre.appendChild(empty ? elt("span", "\u00a0") : zeroWidthElement(cm.display.measure)); - if (!builder.pre.firstChild && !lineIsHidden(cm.doc, realLine)) - builder.pre.appendChild(document.createTextNode("\u00a0")); - - var order; - // Work around problem with the reported dimensions of single-char - // direction spans on IE (issue #1129). See also the comment in - // cursorCoords. - if (measure && (ie || ie_gt10) && (order = getOrder(line))) { - var l = order.length - 1; - if (order[l].from == order[l].to) --l; - var last = order[l], prev = order[l - 1]; - if (last.from + 1 == last.to && prev && last.level < prev.level) { - var span = measure[builder.pos - 1]; - if (span) span.parentNode.insertBefore(span.measureRight = zeroWidthElement(cm.display.measure), - span.nextSibling); + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []} } + helpers[type][name] = value + } + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value) + helpers[type]._global.push({pred: predicate, val: value}) + } +} + +// Used for horizontal relative motion. Dir is -1 or 1 (left or +// right), unit can be "char", "column" (like char, but doesn't +// cross line boundaries), "word" (across next word), or "group" (to +// the start of next group of word or non-word-non-whitespace +// chars). The visually param controls whether, in right-to-left +// text, direction 1 means to move towards the next index in the +// string, or towards the character to the right of the current +// position. The resulting position will have a hitSide=true +// property if it reached the end of the document. +function findPosH(doc, pos, dir, unit, visually) { + var line = pos.line, ch = pos.ch, origDir = dir + var lineObj = getLine(doc, line) + function findNextLine() { + var l = line + dir + if (l < doc.first || l >= doc.first + doc.size) { return false } + line = l + return lineObj = getLine(doc, l) + } + function moveOnce(boundToLine) { + var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true) + if (next == null) { + if (!boundToLine && findNextLine()) { + if (visually) { ch = (dir < 0 ? lineRight : lineLeft)(lineObj) } + else { ch = dir < 0 ? lineObj.text.length : 0 } + } else { return false } + } else { ch = next } + return true + } + + if (unit == "char") { + moveOnce() + } else if (unit == "column") { + moveOnce(true) + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group" + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars") + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) { break } + var cur = lineObj.text.charAt(ch) || "\n" + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p" + if (group && !first && !type) { type = "s" } + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce()} + break } - } - - var textClass = builder.textClass ? builder.textClass + " " + (realLine.textClass || "") : realLine.textClass; - if (textClass) builder.pre.className = textClass; - - signal(cm, "renderLine", cm, realLine, builder.pre); - return builder; - } - - function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - return token; - } - function buildToken(builder, text, style, startStyle, endStyle, title) { - if (!text) return; - var special = builder.cm.options.specialChars; - if (!special.test(text)) { - builder.col += text.length; - var content = document.createTextNode(text); + if (type) { sawType = type } + if (dir > 0 && !moveOnce(!first)) { break } + } + } + var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true) + if (!cmp(pos, result)) { result.hitSide = true } + return result +} + +// For relative vertical movement. Dir may be -1 or 1. Unit can be +// "page" or "line". The resulting position will have a hitSide=true +// property if it reached the end of the document. +function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight) + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3) + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount + + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3 + } + var target + for (;;) { + target = coordsChar(cm, x, y) + if (!target.outside) { break } + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } + y += dir * 5 + } + return target +} + +// CONTENTEDITABLE INPUT STYLE + +var ContentEditableInput = function(cm) { + this.cm = cm + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null + this.polling = new Delayed() + this.composing = null + this.gracePeriod = false + this.readDOMTimeout = null +}; + +ContentEditableInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = input.cm + var div = input.div = display.lineDiv + disableBrowserMagic(div, cm.options.spellcheck) + + on(div, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + // IE doesn't fire input events, so we schedule a read for the pasted content in this way + if (ie_version <= 11) { setTimeout(operation(cm, function () { + if (!input.pollContent()) { regChange(cm) } + }), 20) } + }) + + on(div, "compositionstart", function (e) { + this$1.composing = {data: e.data, done: false} + }) + on(div, "compositionupdate", function (e) { + if (!this$1.composing) { this$1.composing = {data: e.data, done: false} } + }) + on(div, "compositionend", function (e) { + if (this$1.composing) { + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon() } + this$1.composing.done = true + } + }) + + on(div, "touchstart", function () { return input.forceCompositionEnd(); }) + + on(div, "input", function () { + if (!this$1.composing) { this$1.readFromDOMSoon() } + }) + + function onCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}) + if (e.type == "cut") { cm.replaceSelection("", null, "cut") } + } else if (!cm.options.lineWiseCopyCut) { + return } else { - var content = document.createDocumentFragment(), pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - content.appendChild(document.createTextNode(text.slice(pos, pos + skipped))); - builder.col += skipped; - } - if (!m) break; - pos += skipped + 1; - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - builder.col += tabWidth; - } else { - var token = builder.cm.options.specialCharPlaceholder(m[0]); - content.appendChild(token); - builder.col += 1; - } + var ranges = copyableRanges(cm) + setLastCopied({lineWise: true, text: ranges.text}) + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll) + cm.replaceSelection("", null, "cut") + }) } } - if (style || startStyle || endStyle || builder.measure) { - var fullStyle = style || ""; - if (startStyle) fullStyle += startStyle; - if (endStyle) fullStyle += endStyle; - var token = elt("span", [content], fullStyle); - if (title) token.title = title; - return builder.pre.appendChild(token); - } - builder.pre.appendChild(content); - } - - function buildTokenMeasure(builder, text, style, startStyle, endStyle) { - var wrapping = builder.cm.options.lineWrapping; - for (var i = 0; i < text.length; ++i) { - var ch = text.charAt(i), start = i == 0; - if (ch >= "\ud800" && ch < "\udbff" && i < text.length - 1) { - ch = text.slice(i, i + 2); - ++i; - } else if (i && wrapping && spanAffectsWrapping(text, i)) { - builder.pre.appendChild(elt("wbr")); + if (e.clipboardData) { + e.clipboardData.clearData() + var content = lastCopied.text.join("\n") + // iOS exposes the clipboard API, but seems to discard content inserted into it + e.clipboardData.setData("Text", content) + if (e.clipboardData.getData("Text") == content) { + e.preventDefault() + return } - var old = builder.measure[builder.pos]; - var span = builder.measure[builder.pos] = - buildToken(builder, ch, style, - start && startStyle, i == text.length - 1 && endStyle); - if (old) span.leftSide = old.leftSide || old; - // In IE single-space nodes wrap differently than spaces - // embedded in larger text nodes, except when set to - // white-space: normal (issue #1268). - if (ie && wrapping && ch == " " && i && !/\s/.test(text.charAt(i - 1)) && - i < text.length - 1 && !/\s/.test(text.charAt(i + 1))) - span.style.whiteSpace = "normal"; - builder.pos += ch.length; - } - if (text.length) builder.measuredSomething = true; - } - - function buildTokenSplitSpaces(inner) { - function split(old) { - var out = " "; - for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; - out += " "; - return out; - } - return function(builder, text, style, startStyle, endStyle, title) { - return inner(builder, text.replace(/ {3,}/g, split), style, startStyle, endStyle, title); - }; - } - - function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.replacedWith; - if (widget) { - if (builder.copyWidgets) widget = widget.cloneNode(true); - builder.pre.appendChild(widget); - if (builder.measure) { - if (size) { - builder.measure[builder.pos] = widget; - } else { - var elt = zeroWidthElement(builder.cm.display.measure); - if (marker.type == "bookmark" && !marker.insertLeft) - builder.measure[builder.pos] = builder.pre.appendChild(elt); - else if (builder.measure[builder.pos]) - return; - else - builder.measure[builder.pos] = builder.pre.insertBefore(elt, widget); - } - builder.measuredSomething = true; - } - } - builder.pos += size; - } - - // Outputs a number of spans to make up a line, taking highlighting - // and marked text into account. - function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i = 1; i < styles.length; i+=2) - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder)); - return; - } - - var len = allText.length, pos = 0, i = 1, text = "", style; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = ""; - collapsed = null; nextChange = Infinity; - var foundBookmarks = []; - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (sp.from <= pos && (sp.to == null || sp.to > pos)) { - if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; } - if (m.className) spanStyle += " " + m.className; - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle; - if (m.title && !title) title = m.title; - if (m.collapsed && (!collapsed || collapsed.marker.size < m.size)) - collapsed = sp; - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - if (m.type == "bookmark" && sp.from == pos && m.replacedWith) foundBookmarks.push(m); - } - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) return collapsed.marker.find(); - } - if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); - } - if (pos >= len) break; - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder); - } - } - } - - // DOCUMENT DATA STRUCTURE - - function updateDoc(doc, change, markedSpans, selAfter, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null;} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight); - signalLater(line, "change", line, change); } - - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // First adjust the line structure - if (from.ch == 0 && to.ch == 0 && lastText == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - for (var i = 0, e = text.length - 1, added = []; i < e; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); - update(lastLine, lastLine.text, lastSpans); - if (nlines) doc.remove(from.line, nlines); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - for (var added = [], i = 1, e = text.length - 1; i < e; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added); + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild) + te.value = lastCopied.text.join("\n") + var hadFocus = document.activeElement + selectInput(te) + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge) + hadFocus.focus() + if (hadFocus == div) { input.showPrimarySelection() } + }, 50) + } + on(div, "copy", onCopyCut) + on(div, "cut", onCopyCut) +}; + +ContentEditableInput.prototype.prepareSelection = function () { + var result = prepareSelection(this.cm, false) + result.focus = this.cm.state.focused + return result +}; + +ContentEditableInput.prototype.showSelection = function (info, takeFocus) { + if (!info || !this.cm.display.view.length) { return } + if (info.focus || takeFocus) { this.showPrimarySelection() } + this.showMultipleSelections(info) +}; + +ContentEditableInput.prototype.showPrimarySelection = function () { + var sel = window.getSelection(), prim = this.cm.doc.sel.primary() + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset) + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset) + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) + { return } + + var start = posToDOM(this.cm, prim.from()) + var end = posToDOM(this.cm, prim.to()) + if (!start && !end) { return } + + var view = this.cm.display.view + var old = sel.rangeCount && sel.getRangeAt(0) + if (!start) { + start = {node: view[0].measure.map[2], offset: 0} + } else if (!end) { // FIXME dangerously hacky + var measure = view[view.length - 1].measure + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]} + } + + var rng + try { rng = range(start.node, start.offset, end.offset, end.node) } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && this.cm.state.focused) { + sel.collapse(start.node, start.offset) + if (!rng.collapsed) { + sel.removeAllRanges() + sel.addRange(rng) } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - for (var i = 1, e = text.length - 1, added = []; i < e; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1); - doc.insert(from.line + 1, added); - } - - signalLater(doc, "change", doc, change); - setSelection(doc, selAfter.anchor, selAfter.head, null, true); - } - - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, e = lines.length, height = 0; i < e; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - removeInner: function(at, n) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - collapse: function(lines) { - lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); - }, - insertInner: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; - }, - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0, e = children.length; i < e; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - removeInner: function(at, n) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; + sel.removeAllRanges() + sel.addRange(rng) + } + if (old && sel.anchorNode == null) { sel.addRange(old) } + else if (gecko) { this.startGracePeriod() } + } + this.rememberSelection() +}; + +ContentEditableInput.prototype.startGracePeriod = function () { + var this$1 = this; + + clearTimeout(this.gracePeriod) + this.gracePeriod = setTimeout(function () { + this$1.gracePeriod = false + if (this$1.selectionChanged()) + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }) } + }, 20) +}; + +ContentEditableInput.prototype.showMultipleSelections = function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors) + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection) +}; + +ContentEditableInput.prototype.rememberSelection = function () { + var sel = window.getSelection() + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset +}; + +ContentEditableInput.prototype.selectionInEditor = function () { + var sel = window.getSelection() + if (!sel.rangeCount) { return false } + var node = sel.getRangeAt(0).commonAncestorContainer + return contains(this.div, node) +}; + +ContentEditableInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor") { + if (!this.selectionInEditor()) + { this.showSelection(this.prepareSelection(), true) } + this.div.focus() + } +}; +ContentEditableInput.prototype.blur = function () { this.div.blur() }; +ContentEditableInput.prototype.getField = function () { return this.div }; + +ContentEditableInput.prototype.supportsTouch = function () { return true }; + +ContentEditableInput.prototype.receivedFocus = function () { + var input = this + if (this.selectionInEditor()) + { this.pollSelection() } + else + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }) } + + function poll() { + if (input.cm.state.focused) { + input.pollSelection() + input.polling.set(input.cm.options.pollInterval, poll) + } + } + this.polling.set(this.cm.options.pollInterval, poll) +}; + +ContentEditableInput.prototype.selectionChanged = function () { + var sel = window.getSelection() + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset +}; + +ContentEditableInput.prototype.pollSelection = function () { + if (!this.composing && this.readDOMTimeout == null && !this.gracePeriod && this.selectionChanged()) { + var sel = window.getSelection(), cm = this.cm + this.rememberSelection() + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset) + var head = domToPos(cm, sel.focusNode, sel.focusOffset) + if (anchor && head) { runInOp(cm, function () { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll) + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true } + }) } + } +}; + +ContentEditableInput.prototype.pollContent = function () { + if (this.readDOMTimeout != null) { + clearTimeout(this.readDOMTimeout) + this.readDOMTimeout = null + } + + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary() + var from = sel.from(), to = sel.to() + if (from.ch == 0 && from.line > cm.firstLine()) + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length) } + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) + { to = Pos(to.line + 1, 0) } + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } + + var fromIndex, fromLine, fromNode + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + fromLine = lineNo(display.view[0].line) + fromNode = display.view[0].node + } else { + fromLine = lineNo(display.view[fromIndex].line) + fromNode = display.view[fromIndex - 1].node.nextSibling + } + var toIndex = findViewIndex(cm, to.line) + var toLine, toNode + if (toIndex == display.view.length - 1) { + toLine = display.viewTo - 1 + toNode = display.lineDiv.lastChild + } else { + toLine = lineNo(display.view[toIndex + 1].line) - 1 + toNode = display.view[toIndex + 1].node.previousSibling + } + + if (!fromNode) { return false } + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)) + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)) + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine-- } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++ } + else { break } + } + + var cutFront = 0, cutEnd = 0 + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length) + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + { ++cutFront } + var newBot = lst(newText), oldBot = lst(oldText) + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)) + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + { ++cutEnd } + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "") + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "") + + var chFrom = Pos(fromLine, cutFront) + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0) + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input") + return true + } +}; + +ContentEditableInput.prototype.ensurePolled = function () { + this.forceCompositionEnd() +}; +ContentEditableInput.prototype.reset = function () { + this.forceCompositionEnd() +}; +ContentEditableInput.prototype.forceCompositionEnd = function () { + if (!this.composing) { return } + clearTimeout(this.readDOMTimeout) + this.composing = null + if (!this.pollContent()) { regChange(this.cm) } + this.div.blur() + this.div.focus() +}; +ContentEditableInput.prototype.readFromDOMSoon = function () { + var this$1 = this; + + if (this.readDOMTimeout != null) { return } + this.readDOMTimeout = setTimeout(function () { + this$1.readDOMTimeout = null + if (this$1.composing) { + if (this$1.composing.done) { this$1.composing = null } + else { return } + } + if (this$1.cm.isReadOnly() || !this$1.pollContent()) + { runInOp(this$1.cm, function () { return regChange(this$1.cm); }) } + }, 80) +}; + +ContentEditableInput.prototype.setUneditable = function (node) { + node.contentEditable = "false" +}; + +ContentEditableInput.prototype.onKeyPress = function (e) { + e.preventDefault() + if (!this.cm.isReadOnly()) + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0) } +}; + +ContentEditableInput.prototype.readOnlyChanged = function (val) { + this.div.contentEditable = String(val != "nocursor") +}; + +ContentEditableInput.prototype.onContextMenu = function () {}; +ContentEditableInput.prototype.resetPosition = function () {}; + +ContentEditableInput.prototype.needsContentAttribute = true + +function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line) + if (!view || view.hidden) { return null } + var line = getLine(cm.doc, pos.line) + var info = mapFromLineView(view, line, pos.line) + + var order = getOrder(line), side = "left" + if (order) { + var partPos = getBidiPartAt(order, pos.ch) + side = partPos % 2 ? "right" : "left" + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side) + result.offset = result.collapse == "right" ? result.end : result.start + return result +} + +function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } + +function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator() + function recognizeMarker(id) { return function (marker) { return marker.id == id; } } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text") + if (cmText != null) { + if (cmText == "") { text += node.textContent.replace(/\u200b/g, "") } + else { text += cmText } + return } - if (this.size - n < 25) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; + var markerID = node.getAttribute("cm-marker"), range + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)) + if (found.length && (range = found[0].find())) + { text += getBetween(cm.doc, range.from, range.to).join(lineSep) } + return } - }, - collapse: function(lines) { - for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); - }, - insertInner: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - while (child.lines.length > 50) { - var spilled = child.lines.splice(child.lines.length - 25, 25); - var newleaf = new LeafChunk(spilled); - child.height -= newleaf.height; - this.children.splice(i + 1, 0, newleaf); - newleaf.parent = this; - } - this.maybeSpill(); - } - break; - } - at -= sz; + if (node.getAttribute("contenteditable") == "false") { return } + for (var i = 0; i < node.childNodes.length; i++) + { walk(node.childNodes[i]) } + if (/^(pre|div|p)$/i.test(node.nodeName)) + { closing = true } + } else if (node.nodeType == 3) { + var val = node.nodeValue + if (!val) { return } + if (closing) { + text += lineSep + closing = false } - }, - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); + text += val + } + } + for (;;) { + walk(from) + if (from == to) { break } + from = from.nextSibling + } + return text +} + +function domToPos(cm, node, offset) { + var lineNode + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset] + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } + node = null; offset = 0 + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) { return null } + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i] + if (lineView.node == lineNode) + { return locateNodeInLineView(lineView, node, offset) } + } +} + +function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } + if (node == wrapper) { + bad = true + node = wrapper.childNodes[offset] + offset = 0 + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line + return badPos(Pos(lineNo(line), line.text.length), bad) + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild + if (offset) { offset = textNode.nodeValue.length } + } + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode } + var measure = lineView.measure, maps = measure.maps + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i] + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2] + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]) + var ch = map[j] + offset + if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)] } + return Pos(line, ch) } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iterN: function(at, n, op) { - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; } } - }; - - var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine) { - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine); - if (firstLine == null) firstLine = 0; - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); - this.first = firstLine; - this.scrollTop = this.scrollLeft = 0; - this.cantEdit = false; - this.history = makeHistory(); - this.cleanGeneration = 1; - this.frontier = firstLine; - var start = Pos(firstLine, 0); - this.sel = {from: start, to: start, head: start, anchor: start, shift: false, extend: false, goalColumn: null}; - this.id = ++nextDocId; - this.modeOption = mode; - - if (typeof text == "string") text = splitLines(text); - updateDoc(this, {from: start, to: start, text: text}, null, {head: start, anchor: start}); - }; - - Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - iter: function(from, to, op) { - if (op) this.iterN(from - this.first, to - from, op); - else this.iterN(this.first, this.first + this.size, from); - }, - - insert: function(at, lines) { - var height = 0; - for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; - this.insertInner(at - this.first, lines, height); - }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) return lines; - return lines.join(lineSep || "\n"); - }, - setValue: function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: splitLines(code), origin: "setValue"}, - {head: top, anchor: top}, true); - }, - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from); - to = to ? clipPos(this, to) : from; - replaceRange(this, code, from, to, origin); - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) return lines; - return lines.join(lineSep || "\n"); - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, - setLine: function(line, text) { - if (isLine(this, line)) - replaceRange(this, text, Pos(line, 0), clipPos(this, Pos(line))); - }, - removeLine: function(line) { - if (line) replaceRange(this, "", clipPos(this, Pos(line - 1)), clipPos(this, Pos(line))); - else replaceRange(this, "", Pos(0, 0), clipPos(this, Pos(1, 0))); - }, - - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, - getLineNumber: function(line) {return lineNo(line);}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") line = getLine(this, line); - return visualLine(this, line); - }, - - lineCount: function() {return this.size;}, - firstLine: function() {return this.first;}, - lastLine: function() {return this.first + this.size - 1;}, - - clipPos: function(pos) {return clipPos(this, pos);}, - - getCursor: function(start) { - var sel = this.sel, pos; - if (start == null || start == "head") pos = sel.head; - else if (start == "anchor") pos = sel.anchor; - else if (start == "end" || start === false) pos = sel.to; - else pos = sel.from; - return copyPos(pos); - }, - somethingSelected: function() {return !posEq(this.sel.head, this.sel.anchor);}, - - setCursor: docOperation(function(line, ch, extend) { - var pos = clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line); - if (extend) extendSelection(this, pos); - else setSelection(this, pos, pos); - }), - setSelection: docOperation(function(anchor, head, bias) { - setSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), bias); - }), - extendSelection: docOperation(function(from, to, bias) { - extendSelection(this, clipPos(this, from), to && clipPos(this, to), bias); - }), - - getSelection: function(lineSep) {return this.getRange(this.sel.from, this.sel.to, lineSep);}, - replaceSelection: function(code, collapse, origin) { - makeChange(this, {from: this.sel.from, to: this.sel.to, text: splitLines(code), origin: origin}, collapse || "around"); - }, - undo: docOperation(function() {makeChangeFromHistory(this, "undo");}), - redo: docOperation(function() {makeChangeFromHistory(this, "redo");}), - - setExtending: function(val) {this.sel.extend = val;}, - - historySize: function() { - var hist = this.history; - return {undo: hist.done.length, redo: hist.undone.length}; - }, - clearHistory: function() {this.history = makeHistory(this.history.maxGeneration);}, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(); - }, - changeGeneration: function() { - this.history.lastOp = this.history.lastOrigin = null; - return this.history.generation; - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration); - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)}; - }, - setHistory: function(histData) { - var hist = this.history = makeHistory(this.history.maxGeneration); - hist.done = histData.done.slice(0); - hist.undone = histData.undone.slice(0); - }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, "range"); - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft}; - pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark"); - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - markers.push(span.marker.parent || span.marker); - } - return markers; - }, - getAllMarks: function() { - var markers = []; - this.iter(function(line) { - var sps = line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) - if (sps[i].from != null) markers.push(sps[i].marker); - }); - return markers; - }, - - posFromIndex: function(off) { - var ch, lineNo = this.first; - this.iter(function(line) { - var sz = line.text.length + 1; - if (sz > off) { ch = off; return true; } - off -= sz; - ++lineNo; - }); - return clipPos(this, Pos(lineNo, ch)); - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords); - var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) return 0; - this.iter(this.first, coords.line, function (line) { - index += line.text.length + 1; - }); - return index; - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; - doc.sel = {from: this.sel.from, to: this.sel.to, head: this.sel.head, anchor: this.sel.anchor, - shift: this.sel.shift, extend: false, goalColumn: this.sel.goalColumn}; - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth; - doc.setHistory(this.getHistory()); - } - return doc; - }, - - linkedDoc: function(options) { - if (!options) options = {}; - var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) from = options.from; - if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from); - if (options.sharedHist) copy.history = this.history; - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; - return copy; - }, - unlinkDoc: function(other) { - if (other instanceof CodeMirror) other = other.doc; - if (this.linked) for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) continue; - this.linked.splice(i, 1); - other.unlinkDoc(this); - break; - } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id]; - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); - other.history = makeHistory(); - other.history.done = copyHistoryArray(this.history.done, splitIds); - other.history.undone = copyHistoryArray(this.history.undone, splitIds); - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, - - getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;} - }); - - Doc.prototype.eachLine = Doc.prototype.iter; - - // The Doc methods that should be available on CodeMirror instances - var dontDelegate = "iter insert remove copy getEditor".split(" "); - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments);}; - })(Doc.prototype[prop]); - - eventMixin(Doc); - - function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) continue; - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) continue; - f(rel.doc, shared); - propagate(rel.doc, doc, shared); - } - } - propagate(doc, null, true); - } - - function attachDoc(cm, doc) { - if (doc.cm) throw new Error("This document is already in use."); - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - if (!cm.options.lineWrapping) computeMaxLength(cm); - cm.options.mode = doc.modeOption; - regChange(cm); - } - - // LINE UTILITIES - - function getLine(chunk, n) { - n -= chunk.first; - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; - } - } - return chunk.lines[n]; } + var found = find(textNode, topNode, offset) + if (found) { return badPos(found, bad) } - function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function(line) { - var text = line.text; - if (n == end.line) text = text.slice(0, end.ch); - if (n == start.line) text = text.slice(start.ch); - out.push(text); - ++n; - }); - return out; - } - function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function(line) { out.push(line.text); }); - return out; - } - - function updateLineHeight(line, height) { - var diff = height - line.height; - for (var n = line; n; n = n.parent) n.height += diff; - } - - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); - } - } - return no + cur.first; + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0) + if (found) + { return badPos(Pos(found.line, found.ch - dist), bad) } + else + { dist += after.textContent.length } } - - function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i = 0, e = chunk.children.length; i < e; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); - } - return n; - } while (!chunk.lines); - for (var i = 0, e = chunk.lines.length; i < e; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; - } - return n + i; - } - - function heightAtLine(cm, lineObj) { - lineObj = visualLine(cm.doc, lineObj); - - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) break; - else h += line.height; - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i = 0; i < p.children.length; ++i) { - var cur = p.children[i]; - if (cur == chunk) break; - else h += cur.height; - } - } - return h; - } - - function getOrder(line) { - var order = line.order; - if (order == null) order = line.order = bidiOrdering(line.text); - return order; - } - - // HISTORY - - function makeHistory(startGen) { - return { - // Arrays of history events. Doing something adds an event to - // done and clears undo. Undoing moves events from done to - // undone, redoing moves them in the other direction. - done: [], undone: [], undoDepth: Infinity, - // Used to track when changes can be merged into a single undo - // event - lastTime: 0, lastOp: null, lastOrigin: null, - // Used by the isClean() method - generation: startGen || 1, maxGeneration: startGen || 1 - }; - } - - function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { - if (line.markedSpans) - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; - ++n; - }); - } - - function historyChangeFromChange(doc, change) { - var from = { line: change.from.line, ch: change.from.ch }; - var histChange = {from: from, to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); - return histChange; - } - - function addToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur = lst(hist.done); - - if (cur && - (hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*"))) { - // Merge this change into the last event - var last = lst(cur.changes); - if (posEq(change.from, change.to) && posEq(change.from, last.to)) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1) + if (found) + { return badPos(Pos(found.line, found.ch + dist$1), bad) } + else + { dist$1 += before.textContent.length } + } +} + +// TEXTAREA INPUT STYLE + +var TextareaInput = function(cm) { + this.cm = cm + // See input.poll and input.reset + this.prevInput = "" + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false + // Self-resetting timeout for the poller + this.polling = new Delayed() + // Tracks when input.reset has punted to just putting a short + // string into the textarea instead of the full selection. + this.inaccurateSelection = false + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false + this.composing = null +}; + +TextareaInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = this.cm + + // Wraps and hides input textarea + var div = this.wrapper = hiddenTextarea() + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + var te = this.textarea = div.firstChild + display.wrapper.insertBefore(div, display.wrapper.firstChild) + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) { te.style.width = "0px" } + + on(te, "input", function () { + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null } + input.poll() + }) + + on(te, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + + cm.state.pasteIncoming = true + input.fastPoll() + }) + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}) + if (input.inaccurateSelection) { + input.prevInput = "" + input.inaccurateSelection = false + te.value = lastCopied.text.join("\n") + selectInput(te) } - cur.anchorAfter = selAfter.anchor; cur.headAfter = selAfter.head; + } else if (!cm.options.lineWiseCopyCut) { + return } else { - // Can not be merged, start a new event. - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation, - anchorBefore: doc.sel.anchor, headBefore: doc.sel.head, - anchorAfter: selAfter.anchor, headAfter: selAfter.head}; - hist.done.push(cur); - hist.generation = ++hist.maxGeneration; - while (hist.done.length > hist.undoDepth) - hist.done.shift(); - } - hist.lastTime = time; - hist.lastOp = opId; - hist.lastOrigin = change.origin; - } - - function removeClearedSpans(spans) { - if (!spans) return null; - for (var i = 0, out; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); - } - return !out ? spans : out.length ? out : null; - } - - function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) return null; - for (var i = 0, nw = []; i < change.text.length; ++i) - nw.push(removeClearedSpans(found[i])); - return nw; - } - - // Used both to provide a JSON-safe object in .getHistory, and, when - // detaching a document, to split the history in two - function copyHistoryArray(events, newGroup) { - for (var i = 0, copy = []; i < events.length; ++i) { - var event = events[i], changes = event.changes, newChanges = []; - copy.push({changes: newChanges, anchorBefore: event.anchorBefore, headBefore: event.headBefore, - anchorAfter: event.anchorAfter, headAfter: event.headAfter}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m; - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } - } - } - return copy; - } - - // Rebasing/resetting history to deal with externally-sourced changes - - function rebaseHistSel(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; - } - } - - // Tries to rebase an array of history events given a change in the - // document. If the change touches the same lines as the event, the - // event, and everything 'behind' it, is discarded. If the change is - // before the event, the event's positions are updated. Uses a - // copy-on-write scheme for the positions, to avoid having to - // reallocate them all on every rebase, but also avoid problems with - // shared position objects being unsafely updated. - function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - for (var j = 0; j < sub.changes.length; ++j) { - var cur = sub.changes[j]; - if (!sub.copied) { cur.from = copyPos(cur.from); cur.to = copyPos(cur.to); } - if (to < cur.from.line) { - cur.from.line += diff; - cur.to.line += diff; - } else if (from <= cur.to.line) { - ok = false; - break; - } - } - if (!sub.copied) { - sub.anchorBefore = copyPos(sub.anchorBefore); sub.headBefore = copyPos(sub.headBefore); - sub.anchorAfter = copyPos(sub.anchorAfter); sub.readAfter = copyPos(sub.headAfter); - sub.copied = true; - } - if (!ok) { - array.splice(0, i + 1); - i = 0; + var ranges = copyableRanges(cm) + setLastCopied({lineWise: true, text: ranges.text}) + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll) } else { - rebaseHistSel(sub.anchorBefore); rebaseHistSel(sub.headBefore); - rebaseHistSel(sub.anchorAfter); rebaseHistSel(sub.headAfter); + input.prevInput = "" + te.value = ranges.text.join("\n") + selectInput(te) } } - } - - function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); - } - - // EVENT OPERATORS - - function stopMethod() {e_stop(this);} - // Ensure an event has a stop method. - function addStop(event) { - if (!event.stop) event.stop = stopMethod; - return event; - } - - function e_preventDefault(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - } - function e_stopPropagation(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - } - function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; - } - function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} - CodeMirror.e_stop = e_stop; - CodeMirror.e_preventDefault = e_preventDefault; - CodeMirror.e_stopPropagation = e_stopPropagation; - - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; - } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; - } - - // EVENT HANDLING - - function on(emitter, type, f) { - if (emitter.addEventListener) - emitter.addEventListener(type, f, false); - else if (emitter.attachEvent) - emitter.attachEvent("on" + type, f); - else { - var map = emitter._handlers || (emitter._handlers = {}); - var arr = map[type] || (map[type] = []); - arr.push(f); - } - } - - function off(emitter, type, f) { - if (emitter.removeEventListener) - emitter.removeEventListener(type, f, false); - else if (emitter.detachEvent) - emitter.detachEvent("on" + type, f); - else { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; - for (var i = 0; i < arr.length; ++i) - if (arr[i] == f) { arr.splice(i, 1); break; } - } - } - - function signal(emitter, type /*, values...*/) { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args); - } - - var delayedCallbacks, delayedCallbackDepth = 0; - function signalLater(emitter, type /*, values...*/) { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; - var args = Array.prototype.slice.call(arguments, 2); - if (!delayedCallbacks) { - ++delayedCallbackDepth; - delayedCallbacks = []; - setTimeout(fireDelayed, 0); - } - function bnd(f) {return function(){f.apply(null, args);};}; - for (var i = 0; i < arr.length; ++i) - delayedCallbacks.push(bnd(arr[i])); - } - - function signalDOMEvent(cm, e, override) { - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore; - } - - function fireDelayed() { - --delayedCallbackDepth; - var delayed = delayedCallbacks; - delayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) delayed[i](); - } - - function hasHandler(emitter, type) { - var arr = emitter._handlers && emitter._handlers[type]; - return arr && arr.length > 0; - } - - CodeMirror.on = on; CodeMirror.off = off; CodeMirror.signal = signal; - - function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; - } - - // MISC UTILITIES - - // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerCutOff = 30; - - // Returned or thrown by various protocols to signal 'I'm not - // handling this'. - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - - function Delayed() {this.id = null;} - Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - function countColumn(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; - } - for (var i = startIndex || 0, n = startValue || 0; i < end; ++i) { - if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); - else ++n; + if (e.type == "cut") { cm.state.cutIncoming = true } + } + on(te, "cut", prepareCopyCut) + on(te, "copy", prepareCopyCut) + + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } + cm.state.pasteIncoming = true + input.focus() + }) + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) { e_preventDefault(e) } + }) + + on(te, "compositionstart", function () { + var start = cm.getCursor("from") + if (input.composing) { input.composing.range.clear() } + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + } + }) + on(te, "compositionend", function () { + if (input.composing) { + input.poll() + input.composing.range.clear() + input.composing = null + } + }) +}; + +TextareaInput.prototype.prepareSelection = function () { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc + var result = prepareSelection(cm) + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div") + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect() + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)) + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)) + } + + return result +}; + +TextareaInput.prototype.showSelection = function (drawn) { + var cm = this.cm, display = cm.display + removeChildrenAndAdd(display.cursorDiv, drawn.cursors) + removeChildrenAndAdd(display.selectionDiv, drawn.selection) + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px" + this.wrapper.style.left = drawn.teLeft + "px" + } +}; + +// Reset the input to correspond to the selection (or to be empty, +// when not typing and nothing is selected) +TextareaInput.prototype.reset = function (typing) { + if (this.contextMenuPending) { return } + var minimal, selected, cm = this.cm, doc = cm.doc + if (cm.somethingSelected()) { + this.prevInput = "" + var range = doc.sel.primary() + minimal = hasCopyEvent && + (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000) + var content = minimal ? "-" : selected || cm.getSelection() + this.textarea.value = content + if (cm.state.focused) { selectInput(this.textarea) } + if (ie && ie_version >= 9) { this.hasSelection = content } + } else if (!typing) { + this.prevInput = this.textarea.value = "" + if (ie && ie_version >= 9) { this.hasSelection = null } + } + this.inaccurateSelection = minimal +}; + +TextareaInput.prototype.getField = function () { return this.textarea }; + +TextareaInput.prototype.supportsTouch = function () { return false }; + +TextareaInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus() } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } +}; + +TextareaInput.prototype.blur = function () { this.textarea.blur() }; + +TextareaInput.prototype.resetPosition = function () { + this.wrapper.style.top = this.wrapper.style.left = 0 +}; + +TextareaInput.prototype.receivedFocus = function () { this.slowPoll() }; + +// Poll for input changes, using the normal rate of polling. This +// runs as long as the editor is focused. +TextareaInput.prototype.slowPoll = function () { + var this$1 = this; + + if (this.pollingFast) { return } + this.polling.set(this.cm.options.pollInterval, function () { + this$1.poll() + if (this$1.cm.state.focused) { this$1.slowPoll() } + }) +}; + +// When an event has just come in that is likely to add or change +// something in the input textarea, we poll faster, to ensure that +// the change appears on the screen quickly. +TextareaInput.prototype.fastPoll = function () { + var missed = false, input = this + input.pollingFast = true + function p() { + var changed = input.poll() + if (!changed && !missed) {missed = true; input.polling.set(60, p)} + else {input.pollingFast = false; input.slowPoll()} + } + input.polling.set(20, p) +}; + +// Read input from the textarea, and update the document to match. +// When something is selected, it is present in the textarea, and +// selected (unless it is huge, in which case a placeholder is +// used). When nothing is selected, the cursor sits after previously +// seen text (can be empty), which is stored in prevInput (we must +// not reset the textarea when typing, because that breaks IME). +TextareaInput.prototype.poll = function () { + var this$1 = this; + + var cm = this.cm, input = this.textarea, prevInput = this.prevInput + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + { return false } + + var text = input.value + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) { return false } + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset() + return false + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0) + if (first == 0x200b && !prevInput) { prevInput = "\u200b" } + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length) + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same } + + runInOp(cm, function () { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, this$1.composing ? "*compose" : null) + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = "" } + else { this$1.prevInput = text } + + if (this$1.composing) { + this$1.composing.range.clear() + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}) + } + }) + return true +}; + +TextareaInput.prototype.ensurePolled = function () { + if (this.pollingFast && this.poll()) { this.pollingFast = false } +}; + +TextareaInput.prototype.onKeyPress = function () { + if (ie && ie_version >= 9) { this.hasSelection = null } + this.fastPoll() +}; + +TextareaInput.prototype.onContextMenu = function (e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop + if (!pos || presto) { return } // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu + if (reset && cm.doc.sel.contains(pos) == -1) + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll) } + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText + input.wrapper.style.cssText = "position: absolute" + var wrapperBox = input.wrapper.getBoundingClientRect() + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);" + var oldScrollY + if (webkit) { oldScrollY = window.scrollY } // Work around Chrome issue (#2712) + display.input.focus() + if (webkit) { window.scrollTo(null, oldScrollY) } + display.input.reset() + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) { te.value = input.prevInput = " " } + input.contextMenuPending = true + display.selForContextMenu = cm.doc.sel + clearTimeout(display.detectingSelectAll) + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected() + var extval = "\u200b" + (selected ? te.value : "") + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval + input.prevInput = selected ? "" : "\u200b" + te.selectionStart = 1; te.selectionEnd = extval.length + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel + } + } + function rehide() { + input.contextMenuPending = false + input.wrapper.style.cssText = oldWrapperCSS + te.style.cssText = oldCSS + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos) } + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack() } + var i = 0, poll = function () { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") + { operation(cm, selectAll)(cm) } + else if (i++ < 10) { display.detectingSelectAll = setTimeout(poll, 500) } + else { display.input.reset() } + } + display.detectingSelectAll = setTimeout(poll, 200) } - return n; - } - CodeMirror.countColumn = countColumn; - - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); - return spaceStrs[n]; } - function lst(arr) { return arr[arr.length-1]; } - - function selectInput(node) { - if (ios) { // Mobile Safari apparently has a bug where select() is broken. - node.selectionStart = 0; - node.selectionEnd = node.value.length; - } else { - // Suppress mysterious IE10 errors - try { node.select(); } - catch(_e) {} + if (ie && ie_version >= 9) { prepareSelectAllHack() } + if (captureRightClick) { + e_stop(e) + var mouseup = function () { + off(window, "mouseup", mouseup) + setTimeout(rehide, 20) } + on(window, "mouseup", mouseup) + } else { + setTimeout(rehide, 50) } +}; - function indexOf(collection, elt) { - if (collection.indexOf) return collection.indexOf(elt); - for (var i = 0, e = collection.length; i < e; ++i) - if (collection[i] == elt) return i; - return -1; - } - - function createObj(base, props) { - function Obj() {} - Obj.prototype = base; - var inst = new Obj(); - if (props) copyObj(props, inst); - return inst; - } - - function copyObj(obj, target) { - if (!target) target = {}; - for (var prop in obj) if (obj.hasOwnProperty(prop)) target[prop] = obj[prop]; - return target; - } - - function emptyArray(size) { - for (var a = [], i = 0; i < size; ++i) a.push(undefined); - return a; - } - - function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args);}; - } - - var nonASCIISingleCaseWordChar = /[\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - function isWordChar(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); - } - - function isEmpty(obj) { - for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; - return true; - } - - var isExtendingChar = /[\u0300-\u036F\u0483-\u0487\u0488-\u0489\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\uA66F\u1DC0–\u1DFF\u20D0–\u20FF\uA670-\uA672\uA674-\uA67D\uA69F\udc00-\udfff\uFE20–\uFE2F]/; - - // DOM UTILITIES +TextareaInput.prototype.readOnlyChanged = function (val) { + if (!val) { this.reset() } +}; - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) e.className = className; - if (style) e.style.cssText = style; - if (typeof content == "string") setTextContent(e, content); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); - return e; - } +TextareaInput.prototype.setUneditable = function () {}; - function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - e.removeChild(e.firstChild); - return e; - } +TextareaInput.prototype.needsContentAttribute = false - function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e); +function fromTextArea(textarea, options) { + options = options ? copyObj(options) : {} + options.value = textarea.value + if (!options.tabindex && textarea.tabIndex) + { options.tabindex = textarea.tabIndex } + if (!options.placeholder && textarea.placeholder) + { options.placeholder = textarea.placeholder } + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt() + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body } - function setTextContent(e, str) { - if (ie_lt9) { - e.innerHTML = ""; - e.appendChild(document.createTextNode(str)); - } else e.textContent = str; - } + function save() {textarea.value = cm.getValue()} - function getRect(node) { - return node.getBoundingClientRect(); - } - CodeMirror.replaceGetRect = function(f) { getRect = f; }; - - // FEATURE DETECTION - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie_lt9) return false; - var div = elt('div'); - return "draggable" in div || "dragDrop" in div; - }(); - - // For a reason I have yet to figure out, some browsers disallow - // word wrapping between certain characters *only* if a new inline - // element is started between them. This makes it hard to reliably - // measure the position of things, since that requires inserting an - // extra span. This terribly fragile set of tests matches the - // character combinations that suffer from this phenomenon on the - // various browsers. - function spanAffectsWrapping() { return false; } - if (gecko) // Only for "$'" - spanAffectsWrapping = function(str, i) { - return str.charCodeAt(i - 1) == 36 && str.charCodeAt(i) == 39; - }; - else if (safari && !/Version\/([6-9]|\d\d)\b/.test(navigator.userAgent)) - spanAffectsWrapping = function(str, i) { - var result = /\-[^ \-?]|\?[^ !\'\"\),.\-\/:;\?\]\}]/.test(str.slice(i - 1, i + 1)); - return result; - }; - else if (webkit && /Chrome\/(?:29|[3-9]\d|\d\d\d)\./.test(navigator.userAgent)) - spanAffectsWrapping = function(str, i) { - var code = str.charCodeAt(i - 1); - return code >= 8208 && code <= 8212; - }; - else if (webkit) - spanAffectsWrapping = function(str, i) { - if (i > 1 && str.charCodeAt(i - 1) == 45) { - if (/\w/.test(str.charAt(i - 2)) && /[^\-?\.]/.test(str.charAt(i))) return true; - if (i > 2 && /[\d\.,]/.test(str.charAt(i - 2)) && /[\d\.,]/.test(str.charAt(i))) return false; - } - var result = /[~!#%&*)=+}\]\\|\"\.>,:;][({[<]|-[^\-?\.\u2010-\u201f\u2026]|\?[\w~`@#$%\^&*(_=+{[|><]|…[\w~`@#$%\^&*(_=+{[><]/.test(str.slice(i - 1, i + 1)); - return result; - }; - - var knownScrollbarWidth; - function scrollbarWidth(measure) { - if (knownScrollbarWidth != null) return knownScrollbarWidth; - var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll"); - removeChildrenAndAdd(measure, test); - if (test.offsetWidth) - knownScrollbarWidth = test.offsetHeight - test.clientHeight; - return knownScrollbarWidth || 0; - } - - var zwspSupported; - function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_lt8; - } - if (zwspSupported) return elt("span", "\u200b"); - else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - CodeMirror.splitLines = splitLines; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; - - var hasCopyEvent = (function() { - var e = elt("div"); - if ("oncopy" in e) return true; - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == 'function'; - })(); - - // KEY NAMING - - var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete", - 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home", - 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"}; - CodeMirror.keyNames = keyNames; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); - - // BIDI HELPERS - - function iterateBidiSections(order, from, to, f) { - if (!order) return f(from, to, "ltr"); - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); - found = true; - } - } - if (!found) f(from, to, "ltr"); - } - - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } - function bidiRight(part) { return part.level % 2 ? part.from : part.to; } - - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } - function lineRight(line) { - var order = getOrder(line); - if (!order) return line.text.length; - return bidiRight(lst(order)); - } - - function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(cm.doc, line); - if (visual != line) lineN = lineNo(visual); - var order = getOrder(visual); - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); - return Pos(lineN, ch); - } - function lineEnd(cm, lineN) { - var merged, line; - while (merged = collapsedSpanAtEnd(line = getLine(cm.doc, lineN))) - lineN = merged.find().to.line; - var order = getOrder(line); - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); - return Pos(lineN, ch); - } - - function compareBidiLevel(order, a, b) { - var linedir = order[0].level; - if (a == linedir) return true; - if (b == linedir) return false; - return a < b; - } - var bidiOther; - function getBidiPartAt(order, pos) { - for (var i = 0, found; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < pos && cur.to > pos) { bidiOther = null; return i; } - if (cur.from == pos || cur.to == pos) { - if (found == null) { - found = i; - } else if (compareBidiLevel(order, cur.level, order[found].level)) { - bidiOther = found; - return i; - } else { - bidiOther = i; - return found; + var realSubmit + if (textarea.form) { + on(textarea.form, "submit", save) + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form + realSubmit = form.submit + try { + var wrappedSubmit = form.submit = function () { + save() + form.submit = realSubmit + form.submit() + form.submit = wrappedSubmit } - } + } catch(e) {} } - bidiOther = null; - return found; } - function moveInLine(line, pos, dir, byUnit) { - if (!byUnit) return pos + dir; - do pos += dir; - while (pos > 0 && isExtendingChar.test(line.text.charAt(pos))); - return pos; - } - - // This is somewhat involved. It is needed in order to move - // 'visually' through bi-directional text -- i.e., pressing left - // should make the cursor go left, even when in RTL text. The - // tricky part is the 'jumps', where RTL and LTR text touch each - // other. This often requires the cursor offset to move more than - // one unit, in order to visually move one unit. - function moveVisually(line, start, dir, byUnit) { - var bidi = getOrder(line); - if (!bidi) return moveLogically(line, start, dir, byUnit); - var pos = getBidiPartAt(bidi, start), part = bidi[pos]; - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); - - for (;;) { - if (target > part.from && target < part.to) return target; - if (target == part.from || target == part.to) { - if (getBidiPartAt(bidi, target) == pos) return target; - part = bidi[pos += dir]; - return (dir > 0) == part.level % 2 ? part.to : part.from; - } else { - part = bidi[pos += dir]; - if (!part) return null; - if ((dir > 0) == part.level % 2) - target = moveInLine(line, part.to, -1, byUnit); - else - target = moveInLine(line, part.from, 1, byUnit); + options.finishInit = function (cm) { + cm.save = save + cm.getTextArea = function () { return textarea; } + cm.toTextArea = function () { + cm.toTextArea = isNaN // Prevent this from being ran twice + save() + textarea.parentNode.removeChild(cm.getWrapperElement()) + textarea.style.display = "" + if (textarea.form) { + off(textarea.form, "submit", save) + if (typeof textarea.form.submit == "function") + { textarea.form.submit = realSubmit } } } } - function moveLogically(line, start, dir, byUnit) { - var target = start + dir; - if (byUnit) while (target > 0 && isExtendingChar.test(line.text.charAt(target))) target += dir; - return target < 0 || target > line.text.length ? null : target; - } - - // Bidirectional ordering algorithm - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm - // that this (partially) implements. - - // One-char codes used for character types: - // L (L): Left-to-Right - // R (R): Right-to-Left - // r (AL): Right-to-Left Arabic - // 1 (EN): European Number - // + (ES): European Number Separator - // % (ET): European Number Terminator - // n (AN): Arabic Number - // , (CS): Common Number Separator - // m (NSM): Non-Spacing Mark - // b (BN): Boundary Neutral - // s (B): Paragraph Separator - // t (S): Segment Separator - // w (WS): Whitespace - // N (ON): Other Neutrals - - // Returns null if characters are ordered as they appear - // (left-to-right), or an array of sections ({from, to, level} - // objects) in the order in which they occur visually. - var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLL"; - // Character types for codepoints 0x600 to 0x6ff - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmmrrrrrrrrrrrrrrrrrr"; - function charType(code) { - if (code <= 0xff) return lowTypes.charAt(code); - else if (0x590 <= code && code <= 0x5f4) return "R"; - else if (0x600 <= code && code <= 0x6ff) return arabicTypes.charAt(code - 0x600); - else if (0x700 <= code && code <= 0x8ac) return "r"; - else return "L"; - } - - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; - // Browsers seem to always treat the boundaries of block elements as being L. - var outerType = "L"; - - return function(str) { - if (!bidiRE.test(str)) return false; - var len = str.length, types = []; - for (var i = 0, type; i < len; ++i) - types.push(type = charType(str.charCodeAt(i))); - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i = 0, prev = outerType; i < len; ++i) { - var type = types[i]; - if (type == "m") types[i] = prev; - else prev = type; - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (type == "1" && cur == "r") types[i] = "n"; - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i = 1, prev = types[0]; i < len - 1; ++i) { - var type = types[i]; - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; - else if (type == "," && prev == types[i+1] && - (prev == "1" || prev == "n")) types[i] = prev; - prev = type; - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i = 0; i < len; ++i) { - var type = types[i]; - if (type == ",") types[i] = "N"; - else if (type == "%") { - for (var end = i + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i && types[i-1] == "!") || (end < len - 1 && types[end] == "1") ? "1" : "N"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (cur == "L" && type == "1") types[i] = "L"; - else if (isStrong.test(type)) cur = type; - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i = 0; i < len; ++i) { - if (isNeutral.test(types[i])) { - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} - var before = (i ? types[i-1] : outerType) == "L"; - var after = (end < len - 1 ? types[end] : outerType) == "L"; - var replace = before || after ? "L" : "R"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i = 0; i < len;) { - if (countsAsLeft.test(types[i])) { - var start = i; - for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} - order.push({from: start, to: i, level: 0}); - } else { - var pos = i, at = order.length; - for (++i; i < len && types[i] != "L"; ++i) {} - for (var j = pos; j < i;) { - if (countsAsNum.test(types[j])) { - if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1}); - var nstart = j; - for (++j; j < i && countsAsNum.test(types[j]); ++j) {} - order.splice(at, 0, {from: nstart, to: j, level: 2}); - pos = j; - } else ++j; - } - if (pos < i) order.splice(at, 0, {from: pos, to: i, level: 1}); - } - } - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift({from: 0, to: m[0].length, level: 0}); - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push({from: len - m[0].length, to: len, level: 0}); - } - if (order[0].level != lst(order).level) - order.push({from: len, to: len, level: order[0].level}); - - return order; - }; - })(); - - // THE END - - CodeMirror.version = "3.20.0"; - - return CodeMirror; -})(); + textarea.style.display = "none" + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, + options) + return cm +} + +function addLegacyProps(CodeMirror) { + CodeMirror.off = off + CodeMirror.on = on + CodeMirror.wheelEventPixels = wheelEventPixels + CodeMirror.Doc = Doc + CodeMirror.splitLines = splitLinesAuto + CodeMirror.countColumn = countColumn + CodeMirror.findColumn = findColumn + CodeMirror.isWordChar = isWordCharBasic + CodeMirror.Pass = Pass + CodeMirror.signal = signal + CodeMirror.Line = Line + CodeMirror.changeEnd = changeEnd + CodeMirror.scrollbarModel = scrollbarModel + CodeMirror.Pos = Pos + CodeMirror.cmpPos = cmp + CodeMirror.modes = modes + CodeMirror.mimeModes = mimeModes + CodeMirror.resolveMode = resolveMode + CodeMirror.getMode = getMode + CodeMirror.modeExtensions = modeExtensions + CodeMirror.extendMode = extendMode + CodeMirror.copyState = copyState + CodeMirror.startState = startState + CodeMirror.innerMode = innerMode + CodeMirror.commands = commands + CodeMirror.keyMap = keyMap + CodeMirror.keyName = keyName + CodeMirror.isModifierKey = isModifierKey + CodeMirror.lookupKey = lookupKey + CodeMirror.normalizeKeyMap = normalizeKeyMap + CodeMirror.StringStream = StringStream + CodeMirror.SharedTextMarker = SharedTextMarker + CodeMirror.TextMarker = TextMarker + CodeMirror.LineWidget = LineWidget + CodeMirror.e_preventDefault = e_preventDefault + CodeMirror.e_stopPropagation = e_stopPropagation + CodeMirror.e_stop = e_stop + CodeMirror.addClass = addClass + CodeMirror.contains = contains + CodeMirror.rmClass = rmClass + CodeMirror.keyNames = keyNames +} + +// EDITOR CONSTRUCTOR + +defineOptions(CodeMirror) + +addEditorMethods(CodeMirror) + +// Set up methods on CodeMirror's prototype to redirect to the editor's document. +var dontDelegate = "iter insert remove copy getEditor constructor".split(" ") +for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + { CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments)} + })(Doc.prototype[prop]) } } + +eventMixin(Doc) + +// INPUT HANDLING + +CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput} + +// MODE DEFINITION AND QUERYING + +// Extra arguments are stored as the mode's dependencies, which is +// used by (legacy) mechanisms like loadmode.js to automatically +// load a mode. (Preferred mechanism is the require/define calls.) +CodeMirror.defineMode = function(name/*, mode, …*/) { + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name } + defineMode.apply(this, arguments) +} + +CodeMirror.defineMIME = defineMIME + +// Minimal default mode. +CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }) +CodeMirror.defineMIME("text/plain", "null") + +// EXTENSIONS + +CodeMirror.defineExtension = function (name, func) { + CodeMirror.prototype[name] = func +} +CodeMirror.defineDocExtension = function (name, func) { + Doc.prototype[name] = func +} + +CodeMirror.fromTextArea = fromTextArea + +addLegacyProps(CodeMirror) + +CodeMirror.version = "5.21.1" + +return CodeMirror; + +})));
\ No newline at end of file diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/coffeescript.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/coffeescript.js index e8bfe48a2..adf2184fd 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/coffeescript.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/coffeescript.js @@ -1,18 +1,31 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + /** * Link to the project's GitHub page: * https://github.com/pickhardt/coffeescript-codemirror-mode */ -CodeMirror.defineMode("coffeescript", function(conf) { +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +CodeMirror.defineMode("coffeescript", function(conf, parserConf) { var ERRORCLASS = "error"; function wordRegexp(words) { return new RegExp("^((" + words.join(")|(") + "))\\b"); } - var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?)/; + var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/; var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/; var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/; - var properties = /^(@|this\.)[_A-Za-z$][_A-Za-z$0-9]*/; + var atProp = /^@[_A-Za-z$][_A-Za-z$0-9]*/; var wordOperators = wordRegexp(["and", "or", "not", "is", "isnt", "in", @@ -21,7 +34,7 @@ CodeMirror.defineMode("coffeescript", function(conf) { "switch", "try", "catch", "finally", "class"]; var commonKeywords = ["break", "by", "continue", "debugger", "delete", "do", "in", "of", "new", "return", "then", - "this", "throw", "when", "until"]; + "this", "@", "throw", "when", "until", "extends"]; var keywords = wordRegexp(indentKeywords.concat(commonKeywords)); @@ -119,19 +132,21 @@ CodeMirror.defineMode("coffeescript", function(conf) { // Handle strings if (stream.match(stringPrefixes)) { - state.tokenize = tokenFactory(stream.current(), "string"); + state.tokenize = tokenFactory(stream.current(), false, "string"); return state.tokenize(stream, state); } // Handle regex literals if (stream.match(regexPrefixes)) { if (stream.current() != "/" || stream.match(/^.*\//, false)) { // prevent highlight of division - state.tokenize = tokenFactory(stream.current(), "string-2"); + state.tokenize = tokenFactory(stream.current(), true, "string-2"); return state.tokenize(stream, state); } else { stream.backUp(1); } } + + // Handle operators and delimiters if (stream.match(operators) || stream.match(wordOperators)) { return "operator"; @@ -144,6 +159,10 @@ CodeMirror.defineMode("coffeescript", function(conf) { return "atom"; } + if (stream.match(atProp) || state.prop && stream.match(identifiers)) { + return "property"; + } + if (stream.match(keywords)) { return "keyword"; } @@ -152,17 +171,12 @@ CodeMirror.defineMode("coffeescript", function(conf) { return "variable"; } - if (stream.match(properties)) { - return "property"; - } - // Handle non-detected items stream.next(); return ERRORCLASS; } - function tokenFactory(delimiter, outclass) { - var singleline = delimiter.length == 1; + function tokenFactory(delimiter, singleline, outclass) { return function(stream, state) { while (!stream.eol()) { stream.eatWhile(/[^'"\/\\]/); @@ -179,7 +193,7 @@ CodeMirror.defineMode("coffeescript", function(conf) { } } if (singleline) { - if (conf.mode.singleLineStringErrors) { + if (parserConf.singleLineStringErrors) { outclass = ERRORCLASS; } else { state.tokenize = tokenBase; @@ -205,7 +219,7 @@ CodeMirror.defineMode("coffeescript", function(conf) { type = type || "coffee"; var offset = 0, align = false, alignOffset = null; for (var scope = state.scope; scope; scope = scope.prev) { - if (scope.type === "coffee") { + if (scope.type === "coffee" || scope.type == "}") { offset = scope.offset + conf.indentUnit; break; } @@ -253,24 +267,11 @@ CodeMirror.defineMode("coffeescript", function(conf) { var style = state.tokenize(stream, state); var current = stream.current(); - // Handle "." connected identifiers - if (current === ".") { - style = state.tokenize(stream, state); - current = stream.current(); - if (/^\.[\w$]+$/.test(current)) { - return "variable"; - } else { - return ERRORCLASS; - } - } - // Handle scope changes. if (current === "return") { - state.dedent += 1; + state.dedent = true; } - if (((current === "->" || current === "=>") && - !state.lambda && - !stream.peek()) + if (((current === "->" || current === "=>") && stream.eol()) || style === "indent") { indent(stream, state); } @@ -298,9 +299,10 @@ CodeMirror.defineMode("coffeescript", function(conf) { if (state.scope.type == current) state.scope = state.scope.prev; } - if (state.dedent > 0 && stream.eol() && state.scope.type == "coffee") { - if (state.scope.prev) state.scope = state.scope.prev; - state.dedent -= 1; + if (state.dedent && stream.eol()) { + if (state.scope.type == "coffee" && state.scope.prev) + state.scope = state.scope.prev; + state.dedent = false; } return style; @@ -311,8 +313,7 @@ CodeMirror.defineMode("coffeescript", function(conf) { return { tokenize: tokenBase, scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false}, - lastToken: null, - lambda: false, + prop: false, dedent: 0 }; }, @@ -322,12 +323,9 @@ CodeMirror.defineMode("coffeescript", function(conf) { if (fillAlign && stream.sol()) fillAlign.align = false; var style = tokenLexer(stream, state); - if (fillAlign && style && style != "comment") fillAlign.align = true; - - state.lastToken = {style:style, content: stream.current()}; - - if (stream.eol() && stream.lambda) { - state.lambda = false; + if (style && style != "comment") { + if (fillAlign) fillAlign.align = true; + state.prop = style == "punctuation" && stream.current() == "." } return style; @@ -352,3 +350,6 @@ CodeMirror.defineMode("coffeescript", function(conf) { }); CodeMirror.defineMIME("text/x-coffeescript", "coffeescript"); +CodeMirror.defineMIME("text/coffeescript", "coffeescript"); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/comment.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/comment.js index cd2123e17..d71cf4360 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/comment.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/comment.js @@ -1,4 +1,14 @@ -(function() { +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { "use strict"; var noOptions = {}; @@ -11,13 +21,40 @@ } CodeMirror.commands.toggleComment = function(cm) { - var from = cm.getCursor("start"), to = cm.getCursor("end"); - cm.uncomment(from, to) || cm.lineComment(from, to); + cm.toggleComment(); }; + CodeMirror.defineExtension("toggleComment", function(options) { + if (!options) options = noOptions; + var cm = this; + var minLine = Infinity, ranges = this.listSelections(), mode = null; + for (var i = ranges.length - 1; i >= 0; i--) { + var from = ranges[i].from(), to = ranges[i].to(); + if (from.line >= minLine) continue; + if (to.line >= minLine) to = Pos(minLine, 0); + minLine = from.line; + if (mode == null) { + if (cm.uncomment(from, to, options)) mode = "un"; + else { cm.lineComment(from, to, options); mode = "line"; } + } else if (mode == "un") { + cm.uncomment(from, to, options); + } else { + cm.lineComment(from, to, options); + } + } + }); + + // Rough heuristic to try and detect lines that are part of multi-line string + function probablyInsideString(cm, pos, line) { + return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line, 0))) && !/^[\'\"`]/.test(line) + } + CodeMirror.defineExtension("lineComment", function(from, to, options) { if (!options) options = noOptions; var self = this, mode = self.getModeAt(from); + var firstLine = self.getLine(from.line); + if (firstLine == null || probablyInsideString(self, from, firstLine)) return; + var commentString = options.lineComment || mode.lineComment; if (!commentString) { if (options.blockCommentStart || mode.blockCommentStart) { @@ -26,15 +63,21 @@ } return; } - var firstLine = self.getLine(from.line); - if (firstLine == null) return; + var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1); var pad = options.padding == null ? " " : options.padding; var blankLines = options.commentBlankLines || from.line == to.line; self.operation(function() { if (options.indent) { - var baseString = firstLine.slice(0, firstNonWS(firstLine)); + var baseString = null; + for (var i = from.line; i < end; ++i) { + var line = self.getLine(i); + var whitespace = line.slice(0, firstNonWS(line)); + if (baseString == null || baseString.length > whitespace.length) { + baseString = whitespace; + } + } for (var i = from.line; i < end; ++i) { var line = self.getLine(i), cut = baseString.length; if (!blankLines && !nonWS.test(line)) continue; @@ -60,6 +103,7 @@ self.lineComment(from, to, options); return; } + if (/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line, 0)))) return var end = Math.min(to.line, self.lastLine()); if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end; @@ -86,7 +130,7 @@ CodeMirror.defineExtension("uncomment", function(from, to, options) { if (!options) options = noOptions; var self = this, mode = self.getModeAt(from); - var end = Math.min(to.line, self.lastLine()), start = Math.min(from.line, end); + var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end); // Try finding line comments var lineString = options.lineComment || mode.lineComment, lines = []; @@ -96,8 +140,9 @@ for (var i = start; i <= end; ++i) { var line = self.getLine(i); var found = line.indexOf(lineString); - if (found == -1 && (i != end || i == start) && nonWS.test(line)) break lineComment; - if (i != start && found > -1 && nonWS.test(line.slice(0, found))) break lineComment; + if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1; + if (found == -1 && nonWS.test(line)) break lineComment; + if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment; lines.push(line); } self.operation(function() { @@ -118,13 +163,29 @@ var endString = options.blockCommentEnd || mode.blockCommentEnd; if (!startString || !endString) return false; var lead = options.blockCommentLead || mode.blockCommentLead; - var startLine = self.getLine(start), endLine = end == start ? startLine : self.getLine(end); - var open = startLine.indexOf(startString), close = endLine.lastIndexOf(endString); + var startLine = self.getLine(start), open = startLine.indexOf(startString) + if (open == -1) return false + var endLine = end == start ? startLine : self.getLine(end) + var close = endLine.indexOf(endString, end == start ? open + startString.length : 0); if (close == -1 && start != end) { endLine = self.getLine(--end); - close = endLine.lastIndexOf(endString); + close = endLine.indexOf(endString); } - if (open == -1 || close == -1) return false; + if (close == -1 || + !/comment/.test(self.getTokenTypeAt(Pos(start, open + 1))) || + !/comment/.test(self.getTokenTypeAt(Pos(end, close + 1)))) + return false; + + // Avoid killing block comments completely outside the selection. + // Positions of the last startString before the start of the selection, and the first endString after it. + var lastStart = startLine.lastIndexOf(startString, from.ch); + var firstEnd = lastStart == -1 ? -1 : startLine.slice(0, from.ch).indexOf(endString, lastStart + startString.length); + if (lastStart != -1 && firstEnd != -1 && firstEnd + endString.length != from.ch) return false; + // Positions of the first endString after the end of the selection, and the last startString before it. + firstEnd = endLine.indexOf(endString, to.ch); + var almostLastStart = endLine.slice(to.ch).lastIndexOf(startString, firstEnd - to.ch); + lastStart = (firstEnd == -1 || almostLastStart == -1) ? -1 : to.ch + almostLastStart; + if (firstEnd != -1 && lastStart != -1 && lastStart != to.ch) return false; self.operation(function() { self.replaceRange("", Pos(end, close - (pad && endLine.slice(close - pad.length, close) == pad ? pad.length : 0)), @@ -142,4 +203,4 @@ }); return true; }); -})(); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/css.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/css.js index d8c30cf33..a1d5a388e 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/css.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/css.js @@ -1,308 +1,407 @@ -CodeMirror.defineMode("css", function(config, parserConfig) { - "use strict"; +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; +CodeMirror.defineMode("css", function(config, parserConfig) { + var inline = parserConfig.inline if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css"); - var indentUnit = config.indentUnit || config.tabSize || 2, - hooks = parserConfig.hooks || {}, - atMediaTypes = parserConfig.atMediaTypes || {}, - atMediaFeatures = parserConfig.atMediaFeatures || {}, + var indentUnit = config.indentUnit, + tokenHooks = parserConfig.tokenHooks, + documentTypes = parserConfig.documentTypes || {}, + mediaTypes = parserConfig.mediaTypes || {}, + mediaFeatures = parserConfig.mediaFeatures || {}, + mediaValueKeywords = parserConfig.mediaValueKeywords || {}, propertyKeywords = parserConfig.propertyKeywords || {}, + nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {}, + fontProperties = parserConfig.fontProperties || {}, + counterDescriptors = parserConfig.counterDescriptors || {}, colorKeywords = parserConfig.colorKeywords || {}, valueKeywords = parserConfig.valueKeywords || {}, - allowNested = !!parserConfig.allowNested, - type = null; + allowNested = parserConfig.allowNested, + supportsAtComponent = parserConfig.supportsAtComponent === true; + var type, override; function ret(style, tp) { type = tp; return style; } + // Tokenizers + function tokenBase(stream, state) { var ch = stream.next(); - if (hooks[ch]) { - // result[0] is style and result[1] is type - var result = hooks[ch](stream, state); + if (tokenHooks[ch]) { + var result = tokenHooks[ch](stream, state); if (result !== false) return result; } - if (ch == "@") {stream.eatWhile(/[\w\\\-]/); return ret("def", stream.current());} - else if (ch == "=") ret(null, "compare"); - else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare"); - else if (ch == "\"" || ch == "'") { + if (ch == "@") { + stream.eatWhile(/[\w\\\-]/); + return ret("def", stream.current()); + } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) { + return ret(null, "compare"); + } else if (ch == "\"" || ch == "'") { state.tokenize = tokenString(ch); return state.tokenize(stream, state); - } - else if (ch == "#") { + } else if (ch == "#") { stream.eatWhile(/[\w\\\-]/); return ret("atom", "hash"); - } - else if (ch == "!") { + } else if (ch == "!") { stream.match(/^\s*\w*/); return ret("keyword", "important"); - } - else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) { + } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) { stream.eatWhile(/[\w.%]/); return ret("number", "unit"); - } - else if (ch === "-") { - if (/\d/.test(stream.peek())) { + } else if (ch === "-") { + if (/[\d.]/.test(stream.peek())) { stream.eatWhile(/[\w.%]/); return ret("number", "unit"); - } else if (stream.match(/^[^-]+-/)) { + } else if (stream.match(/^-[\w\\\-]+/)) { + stream.eatWhile(/[\w\\\-]/); + if (stream.match(/^\s*:/, false)) + return ret("variable-2", "variable-definition"); + return ret("variable-2", "variable"); + } else if (stream.match(/^\w+-/)) { return ret("meta", "meta"); } - } - else if (/[,+>*\/]/.test(ch)) { + } else if (/[,+>*\/]/.test(ch)) { return ret(null, "select-op"); - } - else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) { + } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) { return ret("qualifier", "qualifier"); - } - else if (ch == ":") { - return ret("operator", ch); - } - else if (/[;{}\[\]\(\)]/.test(ch)) { + } else if (/[:;{}\[\]\(\)]/.test(ch)) { return ret(null, ch); - } - else if (ch == "u" && stream.match("rl(")) { + } else if ((ch == "u" && stream.match(/rl(-prefix)?\(/)) || + (ch == "d" && stream.match("omain(")) || + (ch == "r" && stream.match("egexp("))) { stream.backUp(1); state.tokenize = tokenParenthesized; - return ret("property", "variable"); - } - else { + return ret("property", "word"); + } else if (/[\w\\\-]/.test(ch)) { stream.eatWhile(/[\w\\\-]/); - return ret("property", "variable"); + return ret("property", "word"); + } else { + return ret(null, null); } } - function tokenString(quote, nonInclusive) { + function tokenString(quote) { return function(stream, state) { var escaped = false, ch; while ((ch = stream.next()) != null) { - if (ch == quote && !escaped) + if (ch == quote && !escaped) { + if (quote == ")") stream.backUp(1); break; + } escaped = !escaped && ch == "\\"; } - if (!escaped) { - if (nonInclusive) stream.backUp(1); - state.tokenize = tokenBase; - } + if (ch == quote || !escaped && quote != ")") state.tokenize = null; return ret("string", "string"); }; } function tokenParenthesized(stream, state) { stream.next(); // Must be '(' - if (!stream.match(/\s*[\"\']/, false)) - state.tokenize = tokenString(")", true); + if (!stream.match(/\s*[\"\')]/, false)) + state.tokenize = tokenString(")"); else - state.tokenize = tokenBase; + state.tokenize = null; return ret(null, "("); } + // Context management + + function Context(type, indent, prev) { + this.type = type; + this.indent = indent; + this.prev = prev; + } + + function pushContext(state, stream, type, indent) { + state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context); + return type; + } + + function popContext(state) { + if (state.context.prev) + state.context = state.context.prev; + return state.context.type; + } + + function pass(type, stream, state) { + return states[state.context.type](type, stream, state); + } + function popAndPass(type, stream, state, n) { + for (var i = n || 1; i > 0; i--) + state.context = state.context.prev; + return pass(type, stream, state); + } + + // Parser + + function wordAsValue(stream) { + var word = stream.current().toLowerCase(); + if (valueKeywords.hasOwnProperty(word)) + override = "atom"; + else if (colorKeywords.hasOwnProperty(word)) + override = "keyword"; + else + override = "variable"; + } + + var states = {}; + + states.top = function(type, stream, state) { + if (type == "{") { + return pushContext(state, stream, "block"); + } else if (type == "}" && state.context.prev) { + return popContext(state); + } else if (supportsAtComponent && /@component/.test(type)) { + return pushContext(state, stream, "atComponentBlock"); + } else if (/^@(-moz-)?document$/.test(type)) { + return pushContext(state, stream, "documentTypes"); + } else if (/^@(media|supports|(-moz-)?document|import)$/.test(type)) { + return pushContext(state, stream, "atBlock"); + } else if (/^@(font-face|counter-style)/.test(type)) { + state.stateArg = type; + return "restricted_atBlock_before"; + } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) { + return "keyframes"; + } else if (type && type.charAt(0) == "@") { + return pushContext(state, stream, "at"); + } else if (type == "hash") { + override = "builtin"; + } else if (type == "word") { + override = "tag"; + } else if (type == "variable-definition") { + return "maybeprop"; + } else if (type == "interpolation") { + return pushContext(state, stream, "interpolation"); + } else if (type == ":") { + return "pseudo"; + } else if (allowNested && type == "(") { + return pushContext(state, stream, "parens"); + } + return state.context.type; + }; + + states.block = function(type, stream, state) { + if (type == "word") { + var word = stream.current().toLowerCase(); + if (propertyKeywords.hasOwnProperty(word)) { + override = "property"; + return "maybeprop"; + } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) { + override = "string-2"; + return "maybeprop"; + } else if (allowNested) { + override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag"; + return "block"; + } else { + override += " error"; + return "maybeprop"; + } + } else if (type == "meta") { + return "block"; + } else if (!allowNested && (type == "hash" || type == "qualifier")) { + override = "error"; + return "block"; + } else { + return states.top(type, stream, state); + } + }; + + states.maybeprop = function(type, stream, state) { + if (type == ":") return pushContext(state, stream, "prop"); + return pass(type, stream, state); + }; + + states.prop = function(type, stream, state) { + if (type == ";") return popContext(state); + if (type == "{" && allowNested) return pushContext(state, stream, "propBlock"); + if (type == "}" || type == "{") return popAndPass(type, stream, state); + if (type == "(") return pushContext(state, stream, "parens"); + + if (type == "hash" && !/^#([0-9a-fA-f]{3,4}|[0-9a-fA-f]{6}|[0-9a-fA-f]{8})$/.test(stream.current())) { + override += " error"; + } else if (type == "word") { + wordAsValue(stream); + } else if (type == "interpolation") { + return pushContext(state, stream, "interpolation"); + } + return "prop"; + }; + + states.propBlock = function(type, _stream, state) { + if (type == "}") return popContext(state); + if (type == "word") { override = "property"; return "maybeprop"; } + return state.context.type; + }; + + states.parens = function(type, stream, state) { + if (type == "{" || type == "}") return popAndPass(type, stream, state); + if (type == ")") return popContext(state); + if (type == "(") return pushContext(state, stream, "parens"); + if (type == "interpolation") return pushContext(state, stream, "interpolation"); + if (type == "word") wordAsValue(stream); + return "parens"; + }; + + states.pseudo = function(type, stream, state) { + if (type == "word") { + override = "variable-3"; + return state.context.type; + } + return pass(type, stream, state); + }; + + states.documentTypes = function(type, stream, state) { + if (type == "word" && documentTypes.hasOwnProperty(stream.current())) { + override = "tag"; + return state.context.type; + } else { + return states.atBlock(type, stream, state); + } + }; + + states.atBlock = function(type, stream, state) { + if (type == "(") return pushContext(state, stream, "atBlock_parens"); + if (type == "}" || type == ";") return popAndPass(type, stream, state); + if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top"); + + if (type == "interpolation") return pushContext(state, stream, "interpolation"); + + if (type == "word") { + var word = stream.current().toLowerCase(); + if (word == "only" || word == "not" || word == "and" || word == "or") + override = "keyword"; + else if (mediaTypes.hasOwnProperty(word)) + override = "attribute"; + else if (mediaFeatures.hasOwnProperty(word)) + override = "property"; + else if (mediaValueKeywords.hasOwnProperty(word)) + override = "keyword"; + else if (propertyKeywords.hasOwnProperty(word)) + override = "property"; + else if (nonStandardPropertyKeywords.hasOwnProperty(word)) + override = "string-2"; + else if (valueKeywords.hasOwnProperty(word)) + override = "atom"; + else if (colorKeywords.hasOwnProperty(word)) + override = "keyword"; + else + override = "error"; + } + return state.context.type; + }; + + states.atComponentBlock = function(type, stream, state) { + if (type == "}") + return popAndPass(type, stream, state); + if (type == "{") + return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false); + if (type == "word") + override = "error"; + return state.context.type; + }; + + states.atBlock_parens = function(type, stream, state) { + if (type == ")") return popContext(state); + if (type == "{" || type == "}") return popAndPass(type, stream, state, 2); + return states.atBlock(type, stream, state); + }; + + states.restricted_atBlock_before = function(type, stream, state) { + if (type == "{") + return pushContext(state, stream, "restricted_atBlock"); + if (type == "word" && state.stateArg == "@counter-style") { + override = "variable"; + return "restricted_atBlock_before"; + } + return pass(type, stream, state); + }; + + states.restricted_atBlock = function(type, stream, state) { + if (type == "}") { + state.stateArg = null; + return popContext(state); + } + if (type == "word") { + if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) || + (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase()))) + override = "error"; + else + override = "property"; + return "maybeprop"; + } + return "restricted_atBlock"; + }; + + states.keyframes = function(type, stream, state) { + if (type == "word") { override = "variable"; return "keyframes"; } + if (type == "{") return pushContext(state, stream, "top"); + return pass(type, stream, state); + }; + + states.at = function(type, stream, state) { + if (type == ";") return popContext(state); + if (type == "{" || type == "}") return popAndPass(type, stream, state); + if (type == "word") override = "tag"; + else if (type == "hash") override = "builtin"; + return "at"; + }; + + states.interpolation = function(type, stream, state) { + if (type == "}") return popContext(state); + if (type == "{" || type == ";") return popAndPass(type, stream, state); + if (type == "word") override = "variable"; + else if (type != "variable" && type != "(" && type != ")") override = "error"; + return "interpolation"; + }; + return { startState: function(base) { - return {tokenize: tokenBase, - baseIndent: base || 0, - stack: [], - lastToken: null}; + return {tokenize: null, + state: inline ? "block" : "top", + stateArg: null, + context: new Context(inline ? "block" : "top", base || 0, null)}; }, token: function(stream, state) { - - // Use these terms when applicable (see http://www.xanthir.com/blog/b4E50) - // - // rule** or **ruleset: - // A selector + braces combo, or an at-rule. - // - // declaration block: - // A sequence of declarations. - // - // declaration: - // A property + colon + value combo. - // - // property value: - // The entire value of a property. - // - // component value: - // A single piece of a property value. Like the 5px in - // text-shadow: 0 0 5px blue;. Can also refer to things that are - // multiple terms, like the 1-4 terms that make up the background-size - // portion of the background shorthand. - // - // term: - // The basic unit of author-facing CSS, like a single number (5), - // dimension (5px), string ("foo"), or function. Officially defined - // by the CSS 2.1 grammar (look for the 'term' production) - // - // - // simple selector: - // A single atomic selector, like a type selector, an attr selector, a - // class selector, etc. - // - // compound selector: - // One or more simple selectors without a combinator. div.example is - // compound, div > .example is not. - // - // complex selector: - // One or more compound selectors chained with combinators. - // - // combinator: - // The parts of selectors that express relationships. There are four - // currently - the space (descendant combinator), the greater-than - // bracket (child combinator), the plus sign (next sibling combinator), - // and the tilda (following sibling combinator). - // - // sequence of selectors: - // One or more of the named type of selector chained with commas. - - state.tokenize = state.tokenize || tokenBase; - if (state.tokenize == tokenBase && stream.eatSpace()) return null; - var style = state.tokenize(stream, state); - if (style && typeof style != "string") style = ret(style[0], style[1]); - - // Changing style returned based on context - var context = state.stack[state.stack.length-1]; - if (style == "variable") { - if (type == "variable-definition") state.stack.push("propertyValue"); - return state.lastToken = "variable-2"; - } else if (style == "property") { - var word = stream.current().toLowerCase(); - if (context == "propertyValue") { - if (valueKeywords.hasOwnProperty(word)) { - style = "string-2"; - } else if (colorKeywords.hasOwnProperty(word)) { - style = "keyword"; - } else { - style = "variable-2"; - } - } else if (context == "rule") { - if (!propertyKeywords.hasOwnProperty(word)) { - style += " error"; - } - } else if (context == "block") { - // if a value is present in both property, value, or color, the order - // of preference is property -> color -> value - if (propertyKeywords.hasOwnProperty(word)) { - style = "property"; - } else if (colorKeywords.hasOwnProperty(word)) { - style = "keyword"; - } else if (valueKeywords.hasOwnProperty(word)) { - style = "string-2"; - } else { - style = "tag"; - } - } else if (!context || context == "@media{") { - style = "tag"; - } else if (context == "@media") { - if (atMediaTypes[stream.current()]) { - style = "attribute"; // Known attribute - } else if (/^(only|not)$/.test(word)) { - style = "keyword"; - } else if (word == "and") { - style = "error"; // "and" is only allowed in @mediaType - } else if (atMediaFeatures.hasOwnProperty(word)) { - style = "error"; // Known property, should be in @mediaType( - } else { - // Unknown, expecting keyword or attribute, assuming attribute - style = "attribute error"; - } - } else if (context == "@mediaType") { - if (atMediaTypes.hasOwnProperty(word)) { - style = "attribute"; - } else if (word == "and") { - style = "operator"; - } else if (/^(only|not)$/.test(word)) { - style = "error"; // Only allowed in @media - } else { - // Unknown attribute or property, but expecting property (preceded - // by "and"). Should be in parentheses - style = "error"; - } - } else if (context == "@mediaType(") { - if (propertyKeywords.hasOwnProperty(word)) { - // do nothing, remains "property" - } else if (atMediaTypes.hasOwnProperty(word)) { - style = "error"; // Known property, should be in parentheses - } else if (word == "and") { - style = "operator"; - } else if (/^(only|not)$/.test(word)) { - style = "error"; // Only allowed in @media - } else { - style += " error"; - } - } else if (context == "@import") { - style = "tag"; - } else { - style = "error"; - } - } else if (style == "atom") { - if(!context || context == "@media{" || context == "block") { - style = "builtin"; - } else if (context == "propertyValue") { - if (!/^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/.test(stream.current())) { - style += " error"; - } - } else { - style = "error"; - } - } else if (context == "@media" && type == "{") { - style = "error"; + if (!state.tokenize && stream.eatSpace()) return null; + var style = (state.tokenize || tokenBase)(stream, state); + if (style && typeof style == "object") { + type = style[1]; + style = style[0]; } - - // Push/pop context stack - if (type == "{") { - if (context == "@media" || context == "@mediaType") { - state.stack[state.stack.length-1] = "@media{"; - } - else { - var newContext = allowNested ? "block" : "rule"; - state.stack.push(newContext); - } - } - else if (type == "}") { - if (context == "interpolation") style = "operator"; - // Pop off end of array until { is reached - while(state.stack.length){ - var removed = state.stack.pop(); - if(removed.indexOf("{") > -1 || removed == "block" || removed == "rule"){ - break; - } - } - } - else if (type == "interpolation") state.stack.push("interpolation"); - else if (type == "@media") state.stack.push("@media"); - else if (type == "@import") state.stack.push("@import"); - else if (context == "@media" && /\b(keyword|attribute)\b/.test(style)) - state.stack[state.stack.length-1] = "@mediaType"; - else if (context == "@mediaType" && stream.current() == ",") - state.stack[state.stack.length-1] = "@media"; - else if (type == "(") { - if (context == "@media" || context == "@mediaType") { - // Make sure @mediaType is used to avoid error on { - state.stack[state.stack.length-1] = "@mediaType"; - state.stack.push("@mediaType("); - } - else state.stack.push("("); - } - else if (type == ")") { - // Pop off end of array until ( is reached - while(state.stack.length){ - var removed = state.stack.pop(); - if(removed.indexOf("(") > -1){ - break; - } - } - } - else if (type == ":" && state.lastToken == "property") state.stack.push("propertyValue"); - else if (context == "propertyValue" && type == ";") state.stack.pop(); - else if (context == "@import" && type == ";") state.stack.pop(); - - return state.lastToken = style; + override = style; + state.state = states[state.state](type, stream, state); + return override; }, indent: function(state, textAfter) { - var n = state.stack.length; - if (/^\}/.test(textAfter)) - n -= state.stack[n-1] == "propertyValue" ? 2 : 1; - return state.baseIndent + n * indentUnit; + var cx = state.context, ch = textAfter && textAfter.charAt(0); + var indent = cx.indent; + if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev; + if (cx.prev) { + if (ch == "}" && (cx.type == "block" || cx.type == "top" || + cx.type == "interpolation" || cx.type == "restricted_atBlock")) { + // Resume indentation from parent context. + cx = cx.prev; + indent = cx.indent; + } else if (ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") || + ch == "{" && (cx.type == "at" || cx.type == "atBlock")) { + // Dedent relative to current context. + indent = Math.max(0, cx.indent - indentUnit); + cx = cx.prev; + } + } + return indent; }, electricChars: "}", @@ -312,21 +411,24 @@ CodeMirror.defineMode("css", function(config, parserConfig) { }; }); -(function() { function keySet(array) { var keys = {}; for (var i = 0; i < array.length; ++i) { - keys[array[i]] = true; + keys[array[i].toLowerCase()] = true; } return keys; } - var atMediaTypes = keySet([ + var documentTypes_ = [ + "domain", "regexp", "url", "url-prefix" + ], documentTypes = keySet(documentTypes_); + + var mediaTypes_ = [ "all", "aural", "braille", "handheld", "print", "projection", "screen", "tty", "tv", "embossed" - ]); + ], mediaTypes = keySet(mediaTypes_); - var atMediaFeatures = keySet([ + var mediaFeatures_ = [ "width", "min-width", "max-width", "height", "min-height", "max-height", "device-width", "min-device-width", "max-device-width", "device-height", "min-device-height", "max-device-height", "aspect-ratio", @@ -334,17 +436,24 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color", "max-color", "color-index", "min-color-index", "max-color-index", "monochrome", "min-monochrome", "max-monochrome", "resolution", - "min-resolution", "max-resolution", "scan", "grid" - ]); + "min-resolution", "max-resolution", "scan", "grid", "orientation", + "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio", + "pointer", "any-pointer", "hover", "any-hover" + ], mediaFeatures = keySet(mediaFeatures_); - var propertyKeywords = keySet([ + var mediaValueKeywords_ = [ + "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover", + "interlace", "progressive" + ], mediaValueKeywords = keySet(mediaValueKeywords_); + + var propertyKeywords_ = [ "align-content", "align-items", "align-self", "alignment-adjust", "alignment-baseline", "anchor-point", "animation", "animation-delay", - "animation-direction", "animation-duration", "animation-iteration-count", - "animation-name", "animation-play-state", "animation-timing-function", - "appearance", "azimuth", "backface-visibility", "background", - "background-attachment", "background-clip", "background-color", - "background-image", "background-origin", "background-position", + "animation-direction", "animation-duration", "animation-fill-mode", + "animation-iteration-count", "animation-name", "animation-play-state", + "animation-timing-function", "appearance", "azimuth", "backface-visibility", + "background", "background-attachment", "background-blend-mode", "background-clip", + "background-color", "background-image", "background-origin", "background-position", "background-repeat", "background-size", "baseline-shift", "binding", "bleed", "bookmark-label", "bookmark-level", "bookmark-state", "bookmark-target", "border", "border-bottom", "border-bottom-color", @@ -374,20 +483,22 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "font-stretch", "font-style", "font-synthesis", "font-variant", "font-variant-alternates", "font-variant-caps", "font-variant-east-asian", "font-variant-ligatures", "font-variant-numeric", "font-variant-position", - "font-weight", "grid-cell", "grid-column", "grid-column-align", - "grid-column-sizing", "grid-column-span", "grid-columns", "grid-flow", - "grid-row", "grid-row-align", "grid-row-sizing", "grid-row-span", - "grid-rows", "grid-template", "hanging-punctuation", "height", "hyphens", + "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow", + "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-gap", + "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-gap", + "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns", + "grid-template-rows", "hanging-punctuation", "height", "hyphens", "icon", "image-orientation", "image-rendering", "image-resolution", "inline-box-align", "justify-content", "left", "letter-spacing", "line-break", "line-height", "line-stacking", "line-stacking-ruby", "line-stacking-shift", "line-stacking-strategy", "list-style", "list-style-image", "list-style-position", "list-style-type", "margin", "margin-bottom", "margin-left", "margin-right", "margin-top", - "marker-offset", "marks", "marquee-direction", "marquee-loop", + "marks", "marquee-direction", "marquee-loop", "marquee-play-count", "marquee-speed", "marquee-style", "max-height", "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index", - "nav-left", "nav-right", "nav-up", "opacity", "order", "orphans", "outline", + "nav-left", "nav-right", "nav-up", "object-fit", "object-position", + "opacity", "order", "orphans", "outline", "outline-color", "outline-offset", "outline-style", "outline-width", "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y", "padding", "padding-bottom", "padding-left", "padding-right", "padding-top", @@ -398,8 +509,8 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "region-break-before", "region-break-inside", "region-fragment", "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness", "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang", - "ruby-position", "ruby-span", "shape-inside", "shape-outside", "size", - "speak", "speak-as", "speak-header", + "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin", + "shape-outside", "size", "speak", "speak-as", "speak-header", "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set", "tab-size", "table-layout", "target", "target-name", "target-new", "target-position", "text-align", "text-align-last", "text-decoration", @@ -411,23 +522,41 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "text-wrap", "top", "transform", "transform-origin", "transform-style", "transition", "transition-delay", "transition-duration", "transition-property", "transition-timing-function", "unicode-bidi", - "vertical-align", "visibility", "voice-balance", "voice-duration", + "user-select", "vertical-align", "visibility", "voice-balance", "voice-duration", "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress", - "voice-volume", "volume", "white-space", "widows", "width", "word-break", - "word-spacing", "word-wrap", "z-index", "zoom", + "voice-volume", "volume", "white-space", "widows", "width", "will-change", "word-break", + "word-spacing", "word-wrap", "z-index", // SVG-specific "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color", "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events", - "color-interpolation", "color-interpolation-filters", "color-profile", + "color-interpolation", "color-interpolation-filters", "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering", "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke", "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering", "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal", - "glyph-orientation-vertical", "kerning", "text-anchor", "writing-mode" - ]); + "glyph-orientation-vertical", "text-anchor", "writing-mode" + ], propertyKeywords = keySet(propertyKeywords_); + + var nonStandardPropertyKeywords_ = [ + "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color", + "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color", + "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside", + "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button", + "searchfield-results-decoration", "zoom" + ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_); - var colorKeywords = keySet([ + var fontProperties_ = [ + "font-family", "src", "unicode-range", "font-variant", "font-feature-settings", + "font-stretch", "font-weight", "font-style" + ], fontProperties = keySet(fontProperties_); + + var counterDescriptors_ = [ + "additive-symbols", "fallback", "negative", "pad", "prefix", "range", + "speak-as", "suffix", "symbols", "system" + ], counterDescriptors = keySet(counterDescriptors_); + + var colorKeywords_ = [ "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige", "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown", "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue", @@ -449,54 +578,58 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered", "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred", "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue", - "purple", "red", "rosybrown", "royalblue", "saddlebrown", "salmon", - "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue", + "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown", + "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue", "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan", "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white", "whitesmoke", "yellow", "yellowgreen" - ]); + ], colorKeywords = keySet(colorKeywords_); - var valueKeywords = keySet([ - "above", "absolute", "activeborder", "activecaption", "afar", - "after-white-space", "ahead", "alias", "all", "all-scroll", "alternate", + var valueKeywords_ = [ + "above", "absolute", "activeborder", "additive", "activecaption", "afar", + "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate", "always", "amharic", "amharic-abegede", "antialiased", "appworkspace", - "arabic-indic", "armenian", "asterisks", "auto", "avoid", "avoid-column", "avoid-page", + "arabic-indic", "armenian", "asterisks", "attr", "auto", "avoid", "avoid-column", "avoid-page", "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary", "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box", - "both", "bottom", "break", "break-all", "break-word", "button", "button-bevel", - "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian", + "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel", + "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian", "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret", - "cell", "center", "checkbox", "circle", "cjk-earthly-branch", + "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch", "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote", - "col-resize", "collapse", "column", "compact", "condensed", "contain", "content", - "content-box", "context-menu", "continuous", "copy", "cover", "crop", - "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal", - "decimal-leading-zero", "default", "default-button", "destination-atop", - "destination-in", "destination-out", "destination-over", "devanagari", - "disc", "discard", "document", "dot-dash", "dot-dot-dash", "dotted", - "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out", + "col-resize", "collapse", "color", "color-burn", "color-dodge", "column", "column-reverse", + "compact", "condensed", "contain", "content", "contents", + "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop", + "cross", "crosshair", "currentcolor", "cursive", "cyclic", "darken", "dashed", "decimal", + "decimal-leading-zero", "default", "default-button", "dense", "destination-atop", + "destination-in", "destination-out", "destination-over", "devanagari", "difference", + "disc", "discard", "disclosure-closed", "disclosure-open", "document", + "dot-dash", "dot-dot-dash", + "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out", "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede", "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er", "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er", "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et", "ethiopic-halehame-gez", "ethiopic-halehame-om-et", "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et", - "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", - "ethiopic-halehame-tig", "ew-resize", "expanded", "extra-condensed", - "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "footnotes", - "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove", - "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew", + "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig", + "ethiopic-numeric", "ew-resize", "exclusion", "expanded", "extends", "extra-condensed", + "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes", + "forwards", "from", "geometricPrecision", "georgian", "graytext", "grid", "groove", + "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hard-light", "hebrew", "help", "hidden", "hide", "higher", "highlight", "highlighttext", - "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore", + "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "hue", "icon", "ignore", "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite", "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis", - "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert", - "italic", "justify", "kannada", "katakana", "katakana-iroha", "keep-all", "khmer", - "landscape", "lao", "large", "larger", "left", "level", "lighter", - "line-through", "linear", "lines", "list-item", "listbox", "listitem", + "inline-block", "inline-flex", "inline-grid", "inline-table", "inset", "inside", "intrinsic", "invert", + "italic", "japanese-formal", "japanese-informal", "justify", "kannada", + "katakana", "katakana-iroha", "keep-all", "khmer", + "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal", + "landscape", "lao", "large", "larger", "left", "level", "lighter", "lighten", + "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem", "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian", "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian", - "lower-roman", "lowercase", "ltr", "malayalam", "match", + "lower-roman", "lowercase", "ltr", "luminosity", "malayalam", "match", "matrix", "matrix3d", "media-controls-background", "media-current-time-display", "media-fullscreen-button", "media-mute-button", "media-play-button", "media-return-to-realtime-button", "media-rewind-button", @@ -505,41 +638,54 @@ CodeMirror.defineMode("css", function(config, parserConfig) { "media-volume-slider-container", "media-volume-sliderthumb", "medium", "menu", "menulist", "menulist-button", "menulist-text", "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic", - "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize", + "mix", "mongolian", "monospace", "move", "multiple", "multiply", "myanmar", "n-resize", "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop", "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap", - "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote", + "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "opacity", "open-quote", "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset", "outside", "outside-shape", "overlay", "overline", "padding", "padding-box", - "painted", "page", "paused", "persian", "plus-darker", "plus-lighter", "pointer", - "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "push-button", - "radio", "read-only", "read-write", "read-write-plaintext-only", "rectangle", "region", - "relative", "repeat", "repeat-x", "repeat-y", "reset", "reverse", "rgb", "rgba", - "ridge", "right", "round", "row-resize", "rtl", "run-in", "running", - "s-resize", "sans-serif", "scroll", "scrollbar", "se-resize", "searchfield", + "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter", + "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d", + "progress", "push-button", "radial-gradient", "radio", "read-only", + "read-write", "read-write-plaintext-only", "rectangle", "region", + "relative", "repeat", "repeating-linear-gradient", + "repeating-radial-gradient", "repeat-x", "repeat-y", "reset", "reverse", + "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY", + "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running", + "s-resize", "sans-serif", "saturation", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "screen", + "scroll", "scrollbar", "scroll-position", "se-resize", "searchfield", "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button", "searchfield-results-decoration", "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama", - "single", "skip-white-space", "slide", "slider-horizontal", + "simp-chinese-formal", "simp-chinese-informal", "single", + "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal", "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow", - "small", "small-caps", "small-caption", "smaller", "solid", "somali", - "source-atop", "source-in", "source-out", "source-over", "space", "square", - "square-button", "start", "static", "status-bar", "stretch", "stroke", - "sub", "subpixel-antialiased", "super", "sw-resize", "table", + "small", "small-caps", "small-caption", "smaller", "soft-light", "solid", "somali", + "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "spell-out", "square", + "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub", + "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "table", "table-caption", "table-cell", "table-column", "table-column-group", "table-footer-group", "table-header-group", "table-row", "table-row-group", + "tamil", "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai", "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight", "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er", "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top", - "transparent", "ultra-condensed", "ultra-expanded", "underline", "up", + "trad-chinese-formal", "trad-chinese-informal", "transform", + "translate", "translate3d", "translateX", "translateY", "translateZ", + "transparent", "ultra-condensed", "ultra-expanded", "underline", "unset", "up", "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal", "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url", - "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted", + "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted", "visibleStroke", "visual", "w-resize", "wait", "wave", "wider", - "window", "windowframe", "windowtext", "x-large", "x-small", "xor", + "window", "windowframe", "windowtext", "words", "wrap", "wrap-reverse", "x-large", "x-small", "xor", "xx-large", "xx-small" - ]); + ], valueKeywords = keySet(valueKeywords_); + + var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_) + .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_) + .concat(valueKeywords_); + CodeMirror.registerHelper("hintWords", "css", allWords); function tokenCComment(stream, state) { var maybeEnd = false, ch; @@ -554,66 +700,79 @@ CodeMirror.defineMode("css", function(config, parserConfig) { } CodeMirror.defineMIME("text/css", { - atMediaTypes: atMediaTypes, - atMediaFeatures: atMediaFeatures, + documentTypes: documentTypes, + mediaTypes: mediaTypes, + mediaFeatures: mediaFeatures, + mediaValueKeywords: mediaValueKeywords, propertyKeywords: propertyKeywords, + nonStandardPropertyKeywords: nonStandardPropertyKeywords, + fontProperties: fontProperties, + counterDescriptors: counterDescriptors, colorKeywords: colorKeywords, valueKeywords: valueKeywords, - hooks: { - "<": function(stream, state) { - function tokenSGMLComment(stream, state) { - var dashes = 0, ch; - while ((ch = stream.next()) != null) { - if (dashes >= 2 && ch == ">") { - state.tokenize = null; - break; - } - dashes = (ch == "-") ? dashes + 1 : 0; - } - return ["comment", "comment"]; - } - if (stream.eat("!")) { - state.tokenize = tokenSGMLComment; - return tokenSGMLComment(stream, state); - } - }, + tokenHooks: { "/": function(stream, state) { - if (stream.eat("*")) { - state.tokenize = tokenCComment; - return tokenCComment(stream, state); - } - return false; + if (!stream.eat("*")) return false; + state.tokenize = tokenCComment; + return tokenCComment(stream, state); } }, name: "css" }); CodeMirror.defineMIME("text/x-scss", { - atMediaTypes: atMediaTypes, - atMediaFeatures: atMediaFeatures, + mediaTypes: mediaTypes, + mediaFeatures: mediaFeatures, + mediaValueKeywords: mediaValueKeywords, propertyKeywords: propertyKeywords, + nonStandardPropertyKeywords: nonStandardPropertyKeywords, colorKeywords: colorKeywords, valueKeywords: valueKeywords, + fontProperties: fontProperties, allowNested: true, - hooks: { + tokenHooks: { + "/": function(stream, state) { + if (stream.eat("/")) { + stream.skipToEnd(); + return ["comment", "comment"]; + } else if (stream.eat("*")) { + state.tokenize = tokenCComment; + return tokenCComment(stream, state); + } else { + return ["operator", "operator"]; + } + }, ":": function(stream) { - if (stream.match(/\s*{/)) { + if (stream.match(/\s*\{/)) return [null, "{"]; - } return false; }, "$": function(stream) { stream.match(/^[\w-]+/); - if (stream.peek() == ":") { - return ["variable", "variable-definition"]; - } - return ["variable", "variable"]; - }, - ",": function(stream, state) { - if (state.stack[state.stack.length - 1] == "propertyValue" && stream.match(/^ *\$/, false)) { - return ["operator", ";"]; - } + if (stream.match(/^\s*:/, false)) + return ["variable-2", "variable-definition"]; + return ["variable-2", "variable"]; }, + "#": function(stream) { + if (!stream.eat("{")) return false; + return [null, "interpolation"]; + } + }, + name: "css", + helperType: "scss" + }); + + CodeMirror.defineMIME("text/x-less", { + mediaTypes: mediaTypes, + mediaFeatures: mediaFeatures, + mediaValueKeywords: mediaValueKeywords, + propertyKeywords: propertyKeywords, + nonStandardPropertyKeywords: nonStandardPropertyKeywords, + colorKeywords: colorKeywords, + valueKeywords: valueKeywords, + fontProperties: fontProperties, + allowNested: true, + tokenHooks: { "/": function(stream, state) { if (stream.eat("/")) { stream.skipToEnd(); @@ -625,15 +784,42 @@ CodeMirror.defineMode("css", function(config, parserConfig) { return ["operator", "operator"]; } }, - "#": function(stream) { - if (stream.eat("{")) { - return ["operator", "interpolation"]; - } else { - stream.eatWhile(/[\w\\\-]/); - return ["atom", "hash"]; - } + "@": function(stream) { + if (stream.eat("{")) return [null, "interpolation"]; + if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/, false)) return false; + stream.eatWhile(/[\w\\\-]/); + if (stream.match(/^\s*:/, false)) + return ["variable-2", "variable-definition"]; + return ["variable-2", "variable"]; + }, + "&": function() { + return ["atom", "atom"]; } }, - name: "css" + name: "css", + helperType: "less" + }); + + CodeMirror.defineMIME("text/x-gss", { + documentTypes: documentTypes, + mediaTypes: mediaTypes, + mediaFeatures: mediaFeatures, + propertyKeywords: propertyKeywords, + nonStandardPropertyKeywords: nonStandardPropertyKeywords, + fontProperties: fontProperties, + counterDescriptors: counterDescriptors, + colorKeywords: colorKeywords, + valueKeywords: valueKeywords, + supportsAtComponent: true, + tokenHooks: { + "/": function(stream, state) { + if (!stream.eat("*")) return false; + state.tokenize = tokenCComment; + return tokenCComment(stream, state); + } + }, + name: "css", + helperType: "gss" }); -})(); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/htmlmixed.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/htmlmixed.js index b59ef37ed..eb21fcc14 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/htmlmixed.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/htmlmixed.js @@ -1,104 +1,152 @@ -CodeMirror.defineMode("htmlmixed", function(config, parserConfig) { - var htmlMode = CodeMirror.getMode(config, {name: "xml", htmlMode: true}); - var cssMode = CodeMirror.getMode(config, "css"); - - var scriptTypes = [], scriptTypesConf = parserConfig && parserConfig.scriptTypes; - scriptTypes.push({matches: /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, - mode: CodeMirror.getMode(config, "javascript")}); - if (scriptTypesConf) for (var i = 0; i < scriptTypesConf.length; ++i) { - var conf = scriptTypesConf[i]; - scriptTypes.push({matches: conf.matches, mode: conf.mode && CodeMirror.getMode(config, conf.mode)}); - } - scriptTypes.push({matches: /./, - mode: CodeMirror.getMode(config, "text/plain")}); - - function html(stream, state) { - var tagName = state.htmlState.tagName; - var style = htmlMode.token(stream, state.htmlState); - if (tagName == "script" && /\btag\b/.test(style) && stream.current() == ">") { - // Script block: mode to change to depends on type attribute - var scriptType = stream.string.slice(Math.max(0, stream.pos - 100), stream.pos).match(/\btype\s*=\s*("[^"]+"|'[^']+'|\S+)[^<]*$/i); - scriptType = scriptType ? scriptType[1] : ""; - if (scriptType && /[\"\']/.test(scriptType.charAt(0))) scriptType = scriptType.slice(1, scriptType.length - 1); - for (var i = 0; i < scriptTypes.length; ++i) { - var tp = scriptTypes[i]; - if (typeof tp.matches == "string" ? scriptType == tp.matches : tp.matches.test(scriptType)) { - if (tp.mode) { - state.token = script; - state.localMode = tp.mode; - state.localState = tp.mode.startState && tp.mode.startState(htmlMode.indent(state.htmlState, "")); - } - break; - } - } - } else if (tagName == "style" && /\btag\b/.test(style) && stream.current() == ">") { - state.token = css; - state.localMode = cssMode; - state.localState = cssMode.startState(htmlMode.indent(state.htmlState, "")); - } - return style; - } +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + var defaultTags = { + script: [ + ["lang", /(javascript|babel)/i, "javascript"], + ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, "javascript"], + ["type", /./, "text/plain"], + [null, null, "javascript"] + ], + style: [ + ["lang", /^css$/i, "css"], + ["type", /^(text\/)?(x-)?(stylesheet|css)$/i, "css"], + ["type", /./, "text/plain"], + [null, null, "css"] + ] + }; + function maybeBackup(stream, pat, style) { - var cur = stream.current(); - var close = cur.search(pat), m; - if (close > -1) stream.backUp(cur.length - close); - else if (m = cur.match(/<\/?$/)) { + var cur = stream.current(), close = cur.search(pat); + if (close > -1) { + stream.backUp(cur.length - close); + } else if (cur.match(/<\/?$/)) { stream.backUp(cur.length); if (!stream.match(pat, false)) stream.match(cur); } return style; } - function script(stream, state) { - if (stream.match(/^<\/\s*script\s*>/i, false)) { - state.token = html; - state.localState = state.localMode = null; - return html(stream, state); - } - return maybeBackup(stream, /<\/\s*script\s*>/, - state.localMode.token(stream, state.localState)); + + var attrRegexpCache = {}; + function getAttrRegexp(attr) { + var regexp = attrRegexpCache[attr]; + if (regexp) return regexp; + return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*"); + } + + function getAttrValue(text, attr) { + var match = text.match(getAttrRegexp(attr)) + return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : "" + } + + function getTagRegexp(tagName, anchored) { + return new RegExp((anchored ? "^" : "") + "<\/\s*" + tagName + "\s*>", "i"); } - function css(stream, state) { - if (stream.match(/^<\/\s*style\s*>/i, false)) { - state.token = html; - state.localState = state.localMode = null; - return html(stream, state); + + function addTags(from, to) { + for (var tag in from) { + var dest = to[tag] || (to[tag] = []); + var source = from[tag]; + for (var i = source.length - 1; i >= 0; i--) + dest.unshift(source[i]) } - return maybeBackup(stream, /<\/\s*style\s*>/, - cssMode.token(stream, state.localState)); } - return { - startState: function() { - var state = htmlMode.startState(); - return {token: html, localMode: null, localState: null, htmlState: state}; - }, - - copyState: function(state) { - if (state.localState) - var local = CodeMirror.copyState(state.localMode, state.localState); - return {token: state.token, localMode: state.localMode, localState: local, - htmlState: CodeMirror.copyState(htmlMode, state.htmlState)}; - }, - - token: function(stream, state) { - return state.token(stream, state); - }, - - indent: function(state, textAfter) { - if (!state.localMode || /^\s*<\//.test(textAfter)) - return htmlMode.indent(state.htmlState, textAfter); - else if (state.localMode.indent) - return state.localMode.indent(state.localState, textAfter); - else - return CodeMirror.Pass; - }, - - electricChars: "/{}:", - - innerMode: function(state) { - return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode}; + function findMatchingMode(tagInfo, tagText) { + for (var i = 0; i < tagInfo.length; i++) { + var spec = tagInfo[i]; + if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2]; } - }; -}, "xml", "javascript", "css"); + } + + CodeMirror.defineMode("htmlmixed", function (config, parserConfig) { + var htmlMode = CodeMirror.getMode(config, { + name: "xml", + htmlMode: true, + multilineTagIndentFactor: parserConfig.multilineTagIndentFactor, + multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag + }); + + var tags = {}; + var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes; + addTags(defaultTags, tags); + if (configTags) addTags(configTags, tags); + if (configScript) for (var i = configScript.length - 1; i >= 0; i--) + tags.script.unshift(["type", configScript[i].matches, configScript[i].mode]) + + function html(stream, state) { + var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName + if (tag && !/[<>\s\/]/.test(stream.current()) && + (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) && + tags.hasOwnProperty(tagName)) { + state.inTag = tagName + " " + } else if (state.inTag && tag && />$/.test(stream.current())) { + var inTag = /^([\S]+) (.*)/.exec(state.inTag) + state.inTag = null + var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2]) + var mode = CodeMirror.getMode(config, modeSpec) + var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false); + state.token = function (stream, state) { + if (stream.match(endTagA, false)) { + state.token = html; + state.localState = state.localMode = null; + return null; + } + return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState)); + }; + state.localMode = mode; + state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, "")); + } else if (state.inTag) { + state.inTag += stream.current() + if (stream.eol()) state.inTag += " " + } + return style; + }; + + return { + startState: function () { + var state = CodeMirror.startState(htmlMode); + return {token: html, inTag: null, localMode: null, localState: null, htmlState: state}; + }, + + copyState: function (state) { + var local; + if (state.localState) { + local = CodeMirror.copyState(state.localMode, state.localState); + } + return {token: state.token, inTag: state.inTag, + localMode: state.localMode, localState: local, + htmlState: CodeMirror.copyState(htmlMode, state.htmlState)}; + }, + + token: function (stream, state) { + return state.token(stream, state); + }, + + indent: function (state, textAfter) { + if (!state.localMode || /^\s*<\//.test(textAfter)) + return htmlMode.indent(state.htmlState, textAfter); + else if (state.localMode.indent) + return state.localMode.indent(state.localState, textAfter); + else + return CodeMirror.Pass; + }, + + innerMode: function (state) { + return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode}; + } + }; + }, "xml", "javascript", "css"); -CodeMirror.defineMIME("text/html", "htmlmixed"); + CodeMirror.defineMIME("text/html", "htmlmixed"); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/javascript.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/javascript.js index f27c06346..10419bf9d 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/javascript.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/javascript.js @@ -1,10 +1,28 @@ -// TODO actually recognize syntax of TypeScript constructs +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +function expressionAllowed(stream, state, backUp) { + return /^(?:operator|sof|keyword c|case|new|[\[{}\(,;:]|=>)$/.test(state.lastType) || + (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) +} CodeMirror.defineMode("javascript", function(config, parserConfig) { var indentUnit = config.indentUnit; var statementIndent = parserConfig.statementIndent; - var jsonMode = parserConfig.json; + var jsonldMode = parserConfig.jsonld; + var jsonMode = parserConfig.json || jsonldMode; var isTS = parserConfig.typescript; + var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; // Tokenizer @@ -15,14 +33,15 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { var jsKeywords = { "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, - "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, + "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C, "var": kw("var"), "const": kw("var"), "let": kw("var"), "function": kw("function"), "catch": kw("catch"), "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), "in": operator, "typeof": operator, "instanceof": operator, "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, - "this": kw("this"), "module": kw("module"), "class": kw("class"), "super": kw("atom"), - "yield": C, "export": kw("export"), "import": kw("import"), "extends": C + "this": kw("this"), "class": kw("class"), "super": kw("atom"), + "yield": C, "export": kw("export"), "import": kw("import"), "extends": C, + "await": C, "async": kw("async") }; // Extend the 'normal' keywords with the TypeScript language extensions @@ -30,18 +49,24 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { var type = {type: "variable", style: "variable-3"}; var tsKeywords = { // object-like things - "interface": kw("interface"), - "extends": kw("extends"), - "constructor": kw("constructor"), + "interface": kw("class"), + "implements": C, + "namespace": C, + "module": kw("module"), + "enum": kw("module"), + "type": kw("type"), // scope modifiers - "public": kw("public"), - "private": kw("private"), - "protected": kw("protected"), - "static": kw("static"), + "public": kw("modifier"), + "private": kw("modifier"), + "protected": kw("modifier"), + "abstract": kw("modifier"), + + // operators + "as": operator, // types - "string": type, "number": type, "bool": type, "any": type + "string": type, "number": type, "boolean": type, "any": type }; for (var attr in tsKeywords) { @@ -53,15 +78,18 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { }(); var isOperatorChar = /[+\-*&%=<>!?|~^]/; + var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; - function nextUntilUnescaped(stream, end) { - var escaped = false, next; + function readRegexp(stream) { + var escaped = false, next, inSet = false; while ((next = stream.next()) != null) { - if (next == end && !escaped) - return false; + if (!escaped) { + if (next == "/" && !inSet) return; + if (next == "[") inSet = true; + else if (inSet && next == "]") inSet = false; + } escaped = !escaped && next == "\\"; } - return escaped; } // Used as scratch variables to communicate multiple values without @@ -83,10 +111,16 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { return ret(ch); } else if (ch == "=" && stream.eat(">")) { - return ret("=>"); + return ret("=>", "operator"); } else if (ch == "0" && stream.eat(/x/i)) { stream.eatWhile(/[\da-f]/i); return ret("number", "number"); + } else if (ch == "0" && stream.eat(/o/i)) { + stream.eatWhile(/[0-7]/i); + return ret("number", "number"); + } else if (ch == "0" && stream.eat(/b/i)) { + stream.eatWhile(/[01]/i); + return ret("number", "number"); } else if (/\d/.test(ch)) { stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); return ret("number", "number"); @@ -97,14 +131,13 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { } else if (stream.eat("/")) { stream.skipToEnd(); return ret("comment", "comment"); - } else if (state.lastType == "operator" || state.lastType == "keyword c" || - state.lastType == "sof" || /^[\[{}\(,;:]$/.test(state.lastType)) { - nextUntilUnescaped(stream, "/"); - stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla + } else if (expressionAllowed(stream, state, 1)) { + readRegexp(stream); + stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); return ret("regexp", "string-2"); } else { stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); + return ret("operator", "operator", stream.current()); } } else if (ch == "`") { state.tokenize = tokenQuasi; @@ -113,10 +146,11 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { stream.skipToEnd(); return ret("error", "error"); } else if (isOperatorChar.test(ch)) { - stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); - } else { - stream.eatWhile(/[\w\$_]/); + if (ch != ">" || !state.lexical || state.lexical.type != ">") + stream.eatWhile(isOperatorChar); + return ret("operator", "operator", stream.current()); + } else if (wordRE.test(ch)) { + stream.eatWhile(wordRE); var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; return (known && state.lastType != ".") ? ret(known.type, known.style, word) : ret("variable", "variable", word); @@ -125,8 +159,16 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { function tokenString(quote) { return function(stream, state) { - if (!nextUntilUnescaped(stream, quote)) + var escaped = false, next; + if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ state.tokenize = tokenBase; + return ret("jsonld-keyword", "meta"); + } + while ((next = stream.next()) != null) { + if (next == quote && !escaped) break; + escaped = !escaped && next == "\\"; + } + if (!escaped) state.tokenize = tokenBase; return ret("string", "string"); }; } @@ -168,17 +210,24 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { var arrow = stream.string.indexOf("=>", stream.start); if (arrow < 0) return; + if (isTS) { // Try to skip TypeScript return type declarations after the arguments + var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow)) + if (m) arrow = m.index + } + var depth = 0, sawSomething = false; for (var pos = arrow - 1; pos >= 0; --pos) { var ch = stream.string.charAt(pos); var bracket = brackets.indexOf(ch); if (bracket >= 0 && bracket < 3) { if (!depth) { ++pos; break; } - if (--depth == 0) break; + if (--depth == 0) { if (ch == "(") sawSomething = true; break; } } else if (bracket >= 3 && bracket < 6) { ++depth; - } else if (/[$\w]/.test(ch)) { + } else if (wordRE.test(ch)) { sawSomething = true; + } else if (/["'\/]/.test(ch)) { + return; } else if (sawSomething && !depth) { ++pos; break; @@ -189,7 +238,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { // Parser - var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true}; + var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; function JSLexical(indented, column, type, align, prev, info) { this.indented = indented; @@ -213,7 +262,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { var cc = state.cc; // Communicate our context to the combinators. // (Less wasteful than consing up a hundred closures on every call.) - cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; + cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; if (!state.lexical.hasOwnProperty("align")) state.lexical.align = true; @@ -247,8 +296,8 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { return false; } var state = cx.state; + cx.marked = "def"; if (state.context) { - cx.marked = "def"; if (inList(state.localVars)) return; state.localVars = {name: varname, next: state.localVars}; } else { @@ -273,6 +322,8 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { var result = function() { var state = cx.state, indent = state.indented; if (state.lexical.type == "stat") indent = state.lexical.indented; + else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) + indent = outer.indented; state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); }; result.lex = true; @@ -289,33 +340,40 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { poplex.lex = true; function expect(wanted) { - return function(type) { + function exp(type) { if (type == wanted) return cont(); else if (wanted == ";") return pass(); - else return cont(arguments.callee); + else return cont(exp); }; + return exp; } function statement(type, value) { if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); - if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); + if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex); if (type == "keyword b") return cont(pushlex("form"), statement, poplex); if (type == "{") return cont(pushlex("}"), block, poplex); if (type == ";") return cont(); - if (type == "if") return cont(pushlex("form"), expression, statement, poplex, maybeelse); + if (type == "if") { + if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) + cx.state.cc.pop()(); + return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse); + } if (type == "function") return cont(functiondef); - if (type == "for") return cont(pushlex("form"), forspec, poplex, statement, poplex); + if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); if (type == "variable") return cont(pushlex("stat"), maybelabel); - if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), + if (type == "switch") return cont(pushlex("form"), parenExpr, pushlex("}", "switch"), expect("{"), block, poplex, poplex); if (type == "case") return cont(expression, expect(":")); if (type == "default") return cont(expect(":")); if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), statement, poplex, popcontext); - if (type == "module") return cont(pushlex("form"), pushcontext, afterModule, popcontext, poplex); - if (type == "class") return cont(pushlex("form"), className, objlit, poplex); - if (type == "export") return cont(pushlex("form"), afterExport, poplex); - if (type == "import") return cont(pushlex("form"), afterImport, poplex); + if (type == "class") return cont(pushlex("form"), className, poplex); + if (type == "export") return cont(pushlex("stat"), afterExport, poplex); + if (type == "import") return cont(pushlex("stat"), afterImport, poplex); + if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex) + if (type == "type") return cont(typeexpr, expect("operator"), typeexpr, expect(";")); + if (type == "async") return cont(statement) return pass(pushlex("stat"), expression, expect(";"), poplex); } function expression(type) { @@ -324,21 +382,28 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { function expressionNoComma(type) { return expressionInner(type, true); } + function parenExpr(type) { + if (type != "(") return pass() + return cont(pushlex(")"), expression, expect(")"), poplex) + } function expressionInner(type, noComma) { if (cx.state.fatArrowAt == cx.stream.start) { var body = noComma ? arrowBodyNoComma : arrowBody; - if (type == "(") return cont(pushcontext, commasep(pattern, ")"), expect("=>"), body, popcontext); + if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext); else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); } var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); - if (type == "function") return cont(functiondef); - if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression); - if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop); + if (type == "function") return cont(functiondef, maybeop); + if (type == "class") return cont(pushlex("form"), classExpression, poplex); + if (type == "keyword c" || type == "async") return cont(noComma ? maybeexpressionNoComma : maybeexpression); + if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop); if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); - if (type == "[") return cont(pushlex("]"), expressionNoComma, maybeArrayComprehension, poplex, maybeop); - if (type == "{") return cont(commasep(objprop, "}"), maybeop); + if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); + if (type == "{") return contCommasep(objprop, "}", null, maybeop); + if (type == "quasi") return pass(quasi, maybeop); + if (type == "new") return cont(maybeTarget(noComma)); return cont(); } function maybeexpression(type) { @@ -357,39 +422,49 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { function maybeoperatorNoComma(type, value, noComma) { var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; var expr = noComma == false ? expression : expressionNoComma; - if (value == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); + if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); if (type == "operator") { if (/\+\+|--/.test(value)) return cont(me); if (value == "?") return cont(expression, expect(":"), expr); return cont(expr); } - if (type == "quasi") { cx.cc.push(me); return quasi(value); } + if (type == "quasi") { return pass(quasi, me); } if (type == ";") return; - if (type == "(") return cont(commasep(expressionNoComma, ")", "call"), me); + if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); if (type == ".") return cont(property, me); if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); } - function quasi(value) { - if (!value) debugger; - if (value.slice(value.length - 2) != "${") return cont(); + function quasi(type, value) { + if (type != "quasi") return pass(); + if (value.slice(value.length - 2) != "${") return cont(quasi); return cont(expression, continueQuasi); } function continueQuasi(type) { if (type == "}") { cx.marked = "string-2"; cx.state.tokenize = tokenQuasi; - return cont(); + return cont(quasi); } } function arrowBody(type) { findFatArrow(cx.stream, cx.state); - if (type == "{") return pass(statement); - return pass(expression); + return pass(type == "{" ? statement : expression); } function arrowBodyNoComma(type) { findFatArrow(cx.stream, cx.state); - if (type == "{") return pass(statement); - return pass(expressionNoComma); + return pass(type == "{" ? statement : expressionNoComma); + } + function maybeTarget(noComma) { + return function(type) { + if (type == ".") return cont(noComma ? targetNoComma : target); + else return pass(noComma ? expressionNoComma : expression); + }; + } + function target(_, value) { + if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } + } + function targetNoComma(_, value) { + if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } } function maybelabel(type) { if (type == ":") return cont(poplex, statement); @@ -399,15 +474,27 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { if (type == "variable") {cx.marked = "property"; return cont();} } function objprop(type, value) { - if (type == "variable") { + if (type == "async") { + cx.marked = "property"; + return cont(objprop); + } else if (type == "variable" || cx.style == "keyword") { cx.marked = "property"; if (value == "get" || value == "set") return cont(getterSetter); + return cont(afterprop); } else if (type == "number" || type == "string") { - cx.marked = type + " property"; + cx.marked = jsonldMode ? "property" : (cx.style + " property"); + return cont(afterprop); + } else if (type == "jsonld-keyword") { + return cont(afterprop); + } else if (type == "modifier") { + return cont(objprop) } else if (type == "[") { return cont(expression, expect("]"), afterprop); + } else if (type == "spread") { + return cont(expression); + } else if (type == ":") { + return pass(afterprop) } - if (atomicTypes.hasOwnProperty(type)) return cont(afterprop); } function getterSetter(type) { if (type != "variable") return pass(afterprop); @@ -418,39 +505,74 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { if (type == ":") return cont(expressionNoComma); if (type == "(") return pass(functiondef); } - function commasep(what, end, info) { - function proceed(type) { + function commasep(what, end) { + function proceed(type, value) { if (type == ",") { var lex = cx.state.lexical; if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; - return cont(what, proceed); + return cont(function(type, value) { + if (type == end || value == end) return pass() + return pass(what) + }, proceed); } - if (type == end) return cont(); + if (type == end || value == end) return cont(); return cont(expect(end)); } - return function(type) { - if (type == end) return cont(); - if (info === false) return pass(what, proceed); - return pass(pushlex(end, info), what, proceed, poplex); + return function(type, value) { + if (type == end || value == end) return cont(); + return pass(what, proceed); }; } + function contCommasep(what, end, info) { + for (var i = 3; i < arguments.length; i++) + cx.cc.push(arguments[i]); + return cont(pushlex(end, info), commasep(what, end), poplex); + } function block(type) { if (type == "}") return cont(); return pass(statement, block); } - function maybetype(type) { - if (isTS && type == ":") return cont(typedef); + function maybetype(type, value) { + if (isTS) { + if (type == ":") return cont(typeexpr); + if (value == "?") return cont(maybetype); + } + } + function typeexpr(type) { + if (type == "variable") {cx.marked = "variable-3"; return cont(afterType);} + if (type == "string" || type == "number" || type == "atom") return cont(afterType); + if (type == "{") return cont(commasep(typeprop, "}")) + if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType) + } + function maybeReturnType(type) { + if (type == "=>") return cont(typeexpr) + } + function typeprop(type) { + if (type == "variable" || cx.style == "keyword") { + cx.marked = "property" + return cont(typeprop) + } else if (type == ":") { + return cont(typeexpr) + } + } + function typearg(type) { + if (type == "variable") return cont(typearg) + else if (type == ":") return cont(typeexpr) } - function typedef(type) { - if (type == "variable"){cx.marked = "variable-3"; return cont();} + function afterType(type, value) { + if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) + if (value == "|" || type == ".") return cont(typeexpr) + if (type == "[") return cont(expect("]"), afterType) } function vardef() { return pass(pattern, maybetype, maybeAssign, vardefCont); } function pattern(type, value) { + if (type == "modifier") return cont(pattern) if (type == "variable") { register(value); return cont(); } - if (type == "[") return cont(commasep(pattern, "]")); - if (type == "{") return cont(commasep(proppattern, "}")); + if (type == "spread") return cont(pattern); + if (type == "[") return contCommasep(pattern, "]"); + if (type == "{") return contCommasep(proppattern, "}"); } function proppattern(type, value) { if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { @@ -458,6 +580,8 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { return cont(maybeAssign); } if (type == "variable") cx.marked = "property"; + if (type == "spread") return cont(pattern); + if (type == "}") return pass(); return cont(expect(":"), pattern, maybeAssign); } function maybeAssign(_type, value) { @@ -467,10 +591,10 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { if (type == ",") return cont(vardef); } function maybeelse(type, value) { - if (type == "keyword b" && value == "else") return cont(pushlex("form"), statement, poplex); + if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); } function forspec(type) { - if (type == "(") return cont(pushlex(")"), forspec1, expect(")")); + if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); } function forspec1(type) { if (type == "var") return cont(vardef, expect(";"), forspec2); @@ -493,24 +617,46 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { function functiondef(type, value) { if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} if (type == "variable") {register(value); return cont(functiondef);} - if (type == "(") return cont(pushcontext, commasep(funarg, ")"), statement, popcontext); + if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, maybetype, statement, popcontext); } function funarg(type) { if (type == "spread") return cont(funarg); - return pass(pattern, maybetype); + return pass(pattern, maybetype, maybeAssign); + } + function classExpression(type, value) { + // Class expressions may have an optional name. + if (type == "variable") return className(type, value); + return classNameAfter(type, value); } function className(type, value) { if (type == "variable") {register(value); return cont(classNameAfter);} } - function classNameAfter(_type, value) { - if (value == "extends") return cont(expression); - } - function objlit(type) { - if (type == "{") return cont(commasep(objprop, "}")); + function classNameAfter(type, value) { + if (value == "extends" || value == "implements") return cont(isTS ? typeexpr : expression, classNameAfter); + if (type == "{") return cont(pushlex("}"), classBody, poplex); + } + function classBody(type, value) { + if (type == "variable" || cx.style == "keyword") { + if ((value == "static" || value == "get" || value == "set" || + (isTS && (value == "public" || value == "private" || value == "protected" || value == "readonly" || value == "abstract"))) && + cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false)) { + cx.marked = "keyword"; + return cont(classBody); + } + cx.marked = "property"; + return cont(isTS ? classfield : functiondef, classBody); + } + if (value == "*") { + cx.marked = "keyword"; + return cont(classBody); + } + if (type == ";") return cont(classBody); + if (type == "}") return cont(); } - function afterModule(type, value) { - if (type == "string") return cont(statement); - if (type == "variable") { register(value); return cont(maybeFrom); } + function classfield(type, value) { + if (value == "?") return cont(classfield) + if (type == ":") return cont(typeexpr, maybeAssign) + return pass(functiondef) } function afterExport(_type, value) { if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } @@ -522,21 +668,26 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { return pass(importSpec, maybeFrom); } function importSpec(type, value) { - if (type == "{") return cont(commasep(importSpec, "}")); + if (type == "{") return contCommasep(importSpec, "}"); if (type == "variable") register(value); - return cont(); + if (value == "*") cx.marked = "keyword"; + return cont(maybeAs); + } + function maybeAs(_type, value) { + if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } } function maybeFrom(_type, value) { if (value == "from") { cx.marked = "keyword"; return cont(expression); } } - function maybeArrayComprehension(type) { - if (type == "for") return pass(comprehension); - if (type == ",") return cont(commasep(expressionNoComma, "]", false)); - return pass(commasep(expressionNoComma, "]", false)); + function arrayLiteral(type) { + if (type == "]") return cont(); + return pass(commasep(expressionNoComma, "]")); } - function comprehension(type) { - if (type == "for") return cont(forspec, comprehension); - if (type == "if") return cont(expression, comprehension); + + function isContinuedStatement(state, textAfter) { + return state.lastType == "operator" || state.lastType == "," || + isOperatorChar.test(textAfter.charAt(0)) || + /[,.]/.test(textAfter.charAt(0)); } // Interface @@ -550,9 +701,10 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), localVars: parserConfig.localVars, context: parserConfig.localVars && {vars: parserConfig.localVars}, - indented: 0 + indented: basecolumn || 0 }; - if (parserConfig.globalVars) state.globalVars = parserConfig.globalVars; + if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") + state.globalVars = parserConfig.globalVars; return state; }, @@ -573,14 +725,18 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { indent: function(state, textAfter) { if (state.tokenize == tokenComment) return CodeMirror.Pass; if (state.tokenize != tokenBase) return 0; - var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; + var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top // Kludge to prevent 'maybelse' from blocking lexical scope pops - for (var i = state.cc.length - 1; i >= 0; --i) { + if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { var c = state.cc[i]; if (c == poplex) lexical = lexical.prev; else if (c != maybeelse) break; } - if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; + while ((lexical.type == "stat" || lexical.type == "form") && + (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) && + (top == maybeoperatorComma || top == maybeoperatorNoComma) && + !/^[,\.=+\-*:?[\(]/.test(textAfter)))) + lexical = lexical.prev; if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") lexical = lexical.prev; var type = lexical.type, closing = firstChar == type; @@ -589,29 +745,43 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) { else if (type == "form" && firstChar == "{") return lexical.indented; else if (type == "form") return lexical.indented + indentUnit; else if (type == "stat") - return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? statementIndent || indentUnit : 0); + return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); else if (lexical.align) return lexical.column + (closing ? 0 : 1); else return lexical.indented + (closing ? 0 : indentUnit); }, - electricChars: ":{}", + electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, blockCommentStart: jsonMode ? null : "/*", blockCommentEnd: jsonMode ? null : "*/", lineComment: jsonMode ? null : "//", fold: "brace", + closeBrackets: "()[]{}''\"\"``", helperType: jsonMode ? "json" : "javascript", - jsonMode: jsonMode + jsonldMode: jsonldMode, + jsonMode: jsonMode, + + expressionAllowed: expressionAllowed, + skipExpression: function(state) { + var top = state.cc[state.cc.length - 1] + if (top == expression || top == expressionNoComma) state.cc.pop() + } }; }); +CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); + CodeMirror.defineMIME("text/javascript", "javascript"); CodeMirror.defineMIME("text/ecmascript", "javascript"); CodeMirror.defineMIME("application/javascript", "javascript"); +CodeMirror.defineMIME("application/x-javascript", "javascript"); CodeMirror.defineMIME("application/ecmascript", "javascript"); CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); +CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/less.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/less.js deleted file mode 100644 index da3907485..000000000 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/less.js +++ /dev/null @@ -1,346 +0,0 @@ -/* - LESS mode - http://www.lesscss.org/ - Ported to CodeMirror by Peter Kroon <plakroon@gmail.com> - Report bugs/issues here: https://github.com/marijnh/CodeMirror/issues - GitHub: @peterkroon -*/ - -CodeMirror.defineMode("less", function(config) { - var indentUnit = config.indentUnit, type; - function ret(style, tp) {type = tp; return style;} - - var selectors = /(^\:root$|^\:nth\-child$|^\:nth\-last\-child$|^\:nth\-of\-type$|^\:nth\-last\-of\-type$|^\:first\-child$|^\:last\-child$|^\:first\-of\-type$|^\:last\-of\-type$|^\:only\-child$|^\:only\-of\-type$|^\:empty$|^\:link|^\:visited$|^\:active$|^\:hover$|^\:focus$|^\:target$|^\:lang$|^\:enabled^\:disabled$|^\:checked$|^\:first\-line$|^\:first\-letter$|^\:before$|^\:after$|^\:not$|^\:required$|^\:invalid$)/; - - function tokenBase(stream, state) { - var ch = stream.next(); - - if (ch == "@") {stream.eatWhile(/[\w\-]/); return ret("meta", stream.current());} - else if (ch == "/" && stream.eat("*")) { - state.tokenize = tokenCComment; - return tokenCComment(stream, state); - } else if (ch == "<" && stream.eat("!")) { - state.tokenize = tokenSGMLComment; - return tokenSGMLComment(stream, state); - } else if (ch == "=") ret(null, "compare"); - else if (ch == "|" && stream.eat("=")) return ret(null, "compare"); - else if (ch == "\"" || ch == "'") { - state.tokenize = tokenString(ch); - return state.tokenize(stream, state); - } else if (ch == "/") { // e.g.: .png will not be parsed as a class - if(stream.eat("/")){ - state.tokenize = tokenSComment; - return tokenSComment(stream, state); - } else { - if(type == "string" || type == "(") return ret("string", "string"); - if(state.stack[state.stack.length-1] !== undefined) return ret(null, ch); - stream.eatWhile(/[\a-zA-Z0-9\-_.\s]/); - if( /\/|\)|#/.test(stream.peek() || (stream.eatSpace() && stream.peek() === ")")) || stream.eol() )return ret("string", "string"); // let url(/images/logo.png) without quotes return as string - } - } else if (ch == "!") { - stream.match(/^\s*\w*/); - return ret("keyword", "important"); - } else if (/\d/.test(ch)) { - stream.eatWhile(/[\w.%]/); - return ret("number", "unit"); - } else if (/[,+<>*\/]/.test(ch)) { - if(stream.peek() == "=" || type == "a")return ret("string", "string"); - if(ch === ",")return ret(null, ch); - return ret(null, "select-op"); - } else if (/[;{}:\[\]()~\|]/.test(ch)) { - if(ch == ":"){ - stream.eatWhile(/[a-z\\\-]/); - if( selectors.test(stream.current()) ){ - return ret("tag", "tag"); - } else if(stream.peek() == ":"){//::-webkit-search-decoration - stream.next(); - stream.eatWhile(/[a-z\\\-]/); - if(stream.current().match(/\:\:\-(o|ms|moz|webkit)\-/))return ret("string", "string"); - if( selectors.test(stream.current().substring(1)) )return ret("tag", "tag"); - return ret(null, ch); - } else { - return ret(null, ch); - } - } else if(ch == "~"){ - if(type == "r")return ret("string", "string"); - } else { - return ret(null, ch); - } - } else if (ch == ".") { - if(type == "(")return ret("string", "string"); // allow url(../image.png) - stream.eatWhile(/[\a-zA-Z0-9\-_]/); - if(stream.peek() === " ")stream.eatSpace(); - if(stream.peek() === ")" || type === ":")return ret("number", "unit");//rgba(0,0,0,.25); - else if(stream.current().length >1){ - if(state.stack[state.stack.length-1] === "rule" && stream.peek().match(/{|,|\+|\(/) === null)return ret("number", "unit"); - } - return ret("tag", "tag"); - } else if (ch == "#") { - //we don't eat white-space, we want the hex color and or id only - stream.eatWhile(/[A-Za-z0-9]/); - //check if there is a proper hex color length e.g. #eee || #eeeEEE - if(stream.current().length == 4 || stream.current().length == 7){ - if(stream.current().match(/[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/,false) != null){//is there a valid hex color value present in the current stream - //when not a valid hex value, parse as id - if(stream.current().substring(1) != stream.current().match(/[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/,false))return ret("atom", "tag"); - //eat white-space - stream.eatSpace(); - //when hex value declaration doesn't end with [;,] but is does with a slash/cc comment treat it as an id, just like the other hex values that don't end with[;,] - if( /[\/<>.(){!$%^&*_\-\\?=+\|#'~`]/.test(stream.peek()) ){ - if(type === "select-op")return ret("number", "unit"); else return ret("atom", "tag"); - } - //#time { color: #aaa } - else if(stream.peek() == "}" )return ret("number", "unit"); - //we have a valid hex color value, parse as id whenever an element/class is defined after the hex(id) value e.g. #eee aaa || #eee .aaa - else if( /[a-zA-Z\\]/.test(stream.peek()) )return ret("atom", "tag"); - //when a hex value is on the end of a line, parse as id - else if(stream.eol())return ret("atom", "tag"); - //default - else return ret("number", "unit"); - } else {//when not a valid hexvalue in the current stream e.g. #footer - stream.eatWhile(/[\w\\\-]/); - return ret("atom", stream.current()); - } - } else {//when not a valid hexvalue length - stream.eatWhile(/[\w\\\-]/); - if(state.stack[state.stack.length-1] === "rule")return ret("atom", stream.current());return ret("atom", stream.current()); - return ret("atom", "tag"); - } - } else if (ch == "&") { - stream.eatWhile(/[\w\-]/); - return ret(null, ch); - } else { - stream.eatWhile(/[\w\\\-_%.{]/); - if(stream.current().match(/\\/) !== null){ - if(stream.current().charAt(stream.current().length-1) === "\\"){ - stream.eat(/\'|\"|\)|\(/); - while(stream.eatWhile(/[\w\\\-_%.{]/)){ - stream.eat(/\'|\"|\)|\(/); - } - return ret("string", stream.current()); - } - } //else if(type === "tag")return ret("tag", "tag"); - else if(type == "string"){ - if(state.stack[state.stack.length-1] === "{" && stream.peek() === ":")return ret("variable", "variable"); - if(stream.peek() === "/")stream.eatWhile(/[\w\\\-_%.{:\/]/); - return ret(type, stream.current()); - } else if(stream.current().match(/(^http$|^https$)/) != null){ - stream.eatWhile(/[\w\\\-_%.{:\/]/); - if(stream.peek() === "/")stream.eatWhile(/[\w\\\-_%.{:\/]/); - return ret("string", "string"); - } else if(stream.peek() == "<" || stream.peek() == ">" || stream.peek() == "+"){ - if(type === "(" && (stream.current() === "n" || stream.current() === "-n"))return ret("string", stream.current()); - return ret("tag", "tag"); - } else if( /\(/.test(stream.peek()) ){ - if(stream.current() === "when")return ret("variable","variable"); - else if(state.stack[state.stack.length-1] === "@media" && stream.current() === "and")return ret("variable",stream.current()); - return ret(null, ch); - } else if (stream.peek() == "/" && state.stack[state.stack.length-1] !== undefined){ // url(dir/center/image.png) - if(stream.peek() === "/")stream.eatWhile(/[\w\\\-_%.{:\/]/); - return ret("string", stream.current()); - } else if( stream.current().match(/\-\d|\-.\d/) ){ // match e.g.: -5px -0.4 etc... only colorize the minus sign - //commment out these 2 comment if you want the minus sign to be parsed as null -500px - //stream.backUp(stream.current().length-1); - //return ret(null, ch); - return ret("number", "unit"); - } else if( /\/|[\s\)]/.test(stream.peek() || stream.eol() || (stream.eatSpace() && stream.peek() == "/")) && stream.current().indexOf(".") !== -1){ - if(stream.current().substring(stream.current().length-1,stream.current().length) == "{"){ - stream.backUp(1); - return ret("tag", "tag"); - }//end if - stream.eatSpace(); - if( /[{<>.a-zA-Z\/]/.test(stream.peek()) || stream.eol() )return ret("tag", "tag"); // e.g. button.icon-plus - return ret("string", "string"); // let url(/images/logo.png) without quotes return as string - } else if( stream.eol() || stream.peek() == "[" || stream.peek() == "#" || type == "tag" ){ - - if(stream.current().substring(stream.current().length-1,stream.current().length) == "{")stream.backUp(1); - else if(state.stack[state.stack.length-1] === "border-color" || state.stack[state.stack.length-1] === "background-position" || state.stack[state.stack.length-1] === "font-family")return ret(null, stream.current()); - else if(type === "tag")return ret("tag", "tag"); - else if((type === ":" || type === "unit") && state.stack[state.stack.length-1] === "rule")return ret(null, stream.current()); - else if(state.stack[state.stack.length-1] === "rule" && type === "tag")return ret("string", stream.current()); - else if(state.stack[state.stack.length-1] === ";" && type === ":")return ret(null, stream.current()); - //else if(state.stack[state.stack.length-1] === ";" || type === "")return ret("variable", stream.current()); - else if(stream.peek() === "#" && type !== undefined && type.match(/\+|,|tag|select\-op|}|{|;/g) === null)return ret("string", stream.current()); - else if(type === "variable")return ret(null, stream.current()); - else if(state.stack[state.stack.length-1] === "{" && type === "comment")return ret("variable", stream.current()); - else if(state.stack.length === 0 && (type === ";" || type === "comment"))return ret("tag", stream.current()); - else if((state.stack[state.stack.length-1] === "{" || type === ";") && state.stack[state.stack.length-1] !== "@media{")return ret("variable", stream.current()); - else if(state.stack[state.stack.length-2] === "{" && state.stack[state.stack.length-1] === ";")return ret("variable", stream.current()); - - return ret("tag", "tag"); - } else if(type == "compare" || type == "a" || type == "("){ - return ret("string", "string"); - } else if(type == "|" || stream.current() == "-" || type == "["){ - if(type == "|" && stream.peek().match(/\]|=|\~/) !== null)return ret("number", stream.current()); - else if(type == "|" )return ret("tag", "tag"); - else if(type == "["){ - stream.eatWhile(/\w\-/); - return ret("number", stream.current()); - } - return ret(null, ch); - } else if((stream.peek() == ":") || ( stream.eatSpace() && stream.peek() == ":")) { - stream.next(); - var t_v = stream.peek() == ":" ? true : false; - if(!t_v){ - var old_pos = stream.pos; - var sc = stream.current().length; - stream.eatWhile(/[a-z\\\-]/); - var new_pos = stream.pos; - if(stream.current().substring(sc-1).match(selectors) != null){ - stream.backUp(new_pos-(old_pos-1)); - return ret("tag", "tag"); - } else stream.backUp(new_pos-(old_pos-1)); - } else { - stream.backUp(1); - } - if(t_v)return ret("tag", "tag"); else return ret("variable", "variable"); - } else if(state.stack[state.stack.length-1] === "font-family" || state.stack[state.stack.length-1] === "background-position" || state.stack[state.stack.length-1] === "border-color"){ - return ret(null, null); - } else { - - if(state.stack[state.stack.length-1] === null && type === ":")return ret(null, stream.current()); - - //else if((type === ")" && state.stack[state.stack.length-1] === "rule") || (state.stack[state.stack.length-2] === "{" && state.stack[state.stack.length-1] === "rule" && type === "variable"))return ret(null, stream.current()); - - else if(/\^|\$/.test(stream.current()) && stream.peek().match(/\~|=/) !== null)return ret("string", "string");//att^=val - - else if(type === "unit" && state.stack[state.stack.length-1] === "rule")return ret(null, "unit"); - else if(type === "unit" && state.stack[state.stack.length-1] === ";")return ret(null, "unit"); - else if(type === ")" && state.stack[state.stack.length-1] === "rule")return ret(null, "unit"); - else if(type && type.match("@") !== null && state.stack[state.stack.length-1] === "rule")return ret(null, "unit"); - //else if(type === "unit" && state.stack[state.stack.length-1] === "rule")return ret(null, stream.current()); - - else if((type === ";" || type === "}" || type === ",") && state.stack[state.stack.length-1] === ";")return ret("tag", stream.current()); - else if((type === ";" && stream.peek() !== undefined && stream.peek().match(/{|./) === null) || (type === ";" && stream.eatSpace() && stream.peek().match(/{|./) === null))return ret("variable", stream.current()); - else if((type === "@media" && state.stack[state.stack.length-1] === "@media") || type === "@namespace")return ret("tag", stream.current()); - - else if(type === "{" && state.stack[state.stack.length-1] === ";" && stream.peek() === "{")return ret("tag", "tag"); - else if((type === "{" || type === ":") && state.stack[state.stack.length-1] === ";")return ret(null, stream.current()); - else if((state.stack[state.stack.length-1] === "{" && stream.eatSpace() && stream.peek().match(/.|#/) === null) || type === "select-op" || (state.stack[state.stack.length-1] === "rule" && type === ",") )return ret("tag", "tag"); - else if(type === "variable" && state.stack[state.stack.length-1] === "rule")return ret("tag", "tag"); - else if((stream.eatSpace() && stream.peek() === "{") || stream.eol() || stream.peek() === "{")return ret("tag", "tag"); - //this one messes up indentation - //else if((type === "}" && stream.peek() !== ":") || (type === "}" && stream.eatSpace() && stream.peek() !== ":"))return(type, "tag"); - - else if(type === ")" && (stream.current() == "and" || stream.current() == "and "))return ret("variable", "variable"); - else if(type === ")" && (stream.current() == "when" || stream.current() == "when "))return ret("variable", "variable"); - else if(type === ")" || type === "comment" || type === "{")return ret("tag", "tag"); - else if(stream.sol())return ret("tag", "tag"); - else if((stream.eatSpace() && stream.peek() === "#") || stream.peek() === "#")return ret("tag", "tag"); - else if(state.stack.length === 0)return ret("tag", "tag"); - else if(type === ";" && stream.peek() !== undefined && stream.peek().match(/^[.|\#]/g) !== null)return ret("tag", "tag"); - - else if(type === ":"){stream.eatSpace();return ret(null, stream.current());} - - else if(stream.current() === "and " || stream.current() === "and")return ret("variable", stream.current()); - else if(type === ";" && state.stack[state.stack.length-1] === "{")return ret("variable", stream.current()); - - else if(state.stack[state.stack.length-1] === "rule")return ret(null, stream.current()); - - return ret("tag", stream.current()); - } - } - } - - function tokenSComment(stream, state) { // SComment = Slash comment - stream.skipToEnd(); - state.tokenize = tokenBase; - return ret("comment", "comment"); - } - - function tokenCComment(stream, state) { - var maybeEnd = false, ch; - while ((ch = stream.next()) != null) { - if (maybeEnd && ch == "/") { - state.tokenize = tokenBase; - break; - } - maybeEnd = (ch == "*"); - } - return ret("comment", "comment"); - } - - function tokenSGMLComment(stream, state) { - var dashes = 0, ch; - while ((ch = stream.next()) != null) { - if (dashes >= 2 && ch == ">") { - state.tokenize = tokenBase; - break; - } - dashes = (ch == "-") ? dashes + 1 : 0; - } - return ret("comment", "comment"); - } - - function tokenString(quote) { - return function(stream, state) { - var escaped = false, ch; - while ((ch = stream.next()) != null) { - if (ch == quote && !escaped) - break; - escaped = !escaped && ch == "\\"; - } - if (!escaped) state.tokenize = tokenBase; - return ret("string", "string"); - }; - } - - return { - startState: function(base) { - return {tokenize: tokenBase, - baseIndent: base || 0, - stack: []}; - }, - - token: function(stream, state) { - if (stream.eatSpace()) return null; - var style = state.tokenize(stream, state); - - var context = state.stack[state.stack.length-1]; - if (type == "hash" && context == "rule") style = "atom"; - else if (style == "variable") { - if (context == "rule") style = null; //"tag" - else if (!context || context == "@media{") { - style = stream.current() == "when" ? "variable" : - /[\s,|\s\)|\s]/.test(stream.peek()) ? "tag" : type; - } - } - - if (context == "rule" && /^[\{\};]$/.test(type)) - state.stack.pop(); - if (type == "{") { - if (context == "@media") state.stack[state.stack.length-1] = "@media{"; - else state.stack.push("{"); - } - else if (type == "}") state.stack.pop(); - else if (type == "@media") state.stack.push("@media"); - else if (stream.current() === "font-family") state.stack[state.stack.length-1] = "font-family"; - else if (stream.current() === "background-position") state.stack[state.stack.length-1] = "background-position"; - else if (stream.current() === "border-color") state.stack[state.stack.length-1] = "border-color"; - else if (context == "{" && type != "comment" && type !== "tag") state.stack.push("rule"); - else if (stream.peek() === ":" && stream.current().match(/@|#/) === null) style = type; - if(type === ";" && (state.stack[state.stack.length-1] == "font-family" || state.stack[state.stack.length-1] == "background-position" || state.stack[state.stack.length-1] == "border-color"))state.stack[state.stack.length-1] = stream.current(); - else if(type === "tag" && stream.peek() === ")" && stream.current().match(/\:/) === null){type = null; style = null;} - // ???? - else if((type === "variable" && stream.peek() === ")") || (type === "variable" && stream.eatSpace() && stream.peek() === ")"))return ret(null,stream.current()); - return style; - }, - - indent: function(state, textAfter) { - var n = state.stack.length; - if (/^\}/.test(textAfter)) - n -= state.stack[state.stack.length-1] === "rule" ? 2 : 1; - else if (state.stack[state.stack.length-2] === "{") - n -= state.stack[state.stack.length-1] === "rule" ? 1 : 0; - return state.baseIndent + n * indentUnit; - }, - - electricChars: "}", - blockCommentStart: "/*", - blockCommentEnd: "*/", - lineComment: "//" - }; -}); - -CodeMirror.defineMIME("text/x-less", "less"); -if (!CodeMirror.mimeModes.hasOwnProperty("text/css")) - CodeMirror.defineMIME("text/css", "less"); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/livescript.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/livescript.js index c000324b8..1e363f876 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/livescript.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/livescript.js @@ -1,19 +1,32 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + /** * Link to the project's GitHub page: * https://github.com/duralog/CodeMirror */ -(function() { + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + CodeMirror.defineMode('livescript', function(){ - var tokenBase, external; - tokenBase = function(stream, state){ - var next_rule, nr, i$, len$, r, m; - if (next_rule = state.next || 'start') { + var tokenBase = function(stream, state) { + var next_rule = state.next || "start"; + if (next_rule) { state.next = state.next; - if (Array.isArray(nr = Rules[next_rule])) { - for (i$ = 0, len$ = nr.length; i$ < len$; ++i$) { - r = nr[i$]; - if (r.regex && (m = stream.match(r.regex))) { - state.next = r.next; + var nr = Rules[next_rule]; + if (nr.splice) { + for (var i$ = 0; i$ < nr.length; ++i$) { + var r = nr[i$]; + if (r.regex && stream.match(r.regex)) { + state.next = r.next || state.next; return r.token; } } @@ -33,16 +46,16 @@ stream.next(); return 'error'; }; - external = { + var external = { startState: function(){ return { next: 'start', - lastToken: null + lastToken: {style: null, indent: 0, content: ""} }; }, token: function(stream, state){ - var style; - style = tokenBase(stream, state); + while (stream.pos == stream.start) + var style = tokenBase(stream, state); state.lastToken = { style: style, indent: stream.indentation(), @@ -51,8 +64,7 @@ return style.replace(/\./g, ' '); }, indent: function(state){ - var indentation; - indentation = state.lastToken.indent; + var indentation = state.lastToken.indent; if (state.lastToken.content.match(indenter)) { indentation += 2; } @@ -192,7 +204,7 @@ next: 'start' }, { token: 'text', - regex: '.', + regex: '', next: 'start' } ], @@ -251,17 +263,18 @@ }; for (var idx in Rules) { var r = Rules[idx]; - if (Array.isArray(r)) { + if (r.splice) { for (var i = 0, len = r.length; i < len; ++i) { var rr = r[i]; - if (rr.regex) { + if (typeof rr.regex === 'string') { Rules[idx][i].regex = new RegExp('^' + rr.regex); } } - } else if (r.regex) { + } else if (typeof rr.regex === 'string') { Rules[idx].regex = new RegExp('^' + r.regex); } } -})(); -CodeMirror.defineMIME('text/x-livescript', 'livescript'); + CodeMirror.defineMIME('text/x-livescript', 'livescript'); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/mark-selection.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/mark-selection.js new file mode 100644 index 000000000..5c42d21eb --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/mark-selection.js @@ -0,0 +1,118 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +// Because sometimes you need to mark the selected *text*. +// +// Adds an option 'styleSelectedText' which, when enabled, gives +// selected text the CSS class given as option value, or +// "CodeMirror-selectedtext" when the value is not a string. + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + CodeMirror.defineOption("styleSelectedText", false, function(cm, val, old) { + var prev = old && old != CodeMirror.Init; + if (val && !prev) { + cm.state.markedSelection = []; + cm.state.markedSelectionStyle = typeof val == "string" ? val : "CodeMirror-selectedtext"; + reset(cm); + cm.on("cursorActivity", onCursorActivity); + cm.on("change", onChange); + } else if (!val && prev) { + cm.off("cursorActivity", onCursorActivity); + cm.off("change", onChange); + clear(cm); + cm.state.markedSelection = cm.state.markedSelectionStyle = null; + } + }); + + function onCursorActivity(cm) { + cm.operation(function() { update(cm); }); + } + + function onChange(cm) { + if (cm.state.markedSelection.length) + cm.operation(function() { clear(cm); }); + } + + var CHUNK_SIZE = 8; + var Pos = CodeMirror.Pos; + var cmp = CodeMirror.cmpPos; + + function coverRange(cm, from, to, addAt) { + if (cmp(from, to) == 0) return; + var array = cm.state.markedSelection; + var cls = cm.state.markedSelectionStyle; + for (var line = from.line;;) { + var start = line == from.line ? from : Pos(line, 0); + var endLine = line + CHUNK_SIZE, atEnd = endLine >= to.line; + var end = atEnd ? to : Pos(endLine, 0); + var mark = cm.markText(start, end, {className: cls}); + if (addAt == null) array.push(mark); + else array.splice(addAt++, 0, mark); + if (atEnd) break; + line = endLine; + } + } + + function clear(cm) { + var array = cm.state.markedSelection; + for (var i = 0; i < array.length; ++i) array[i].clear(); + array.length = 0; + } + + function reset(cm) { + clear(cm); + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) + coverRange(cm, ranges[i].from(), ranges[i].to()); + } + + function update(cm) { + if (!cm.somethingSelected()) return clear(cm); + if (cm.listSelections().length > 1) return reset(cm); + + var from = cm.getCursor("start"), to = cm.getCursor("end"); + + var array = cm.state.markedSelection; + if (!array.length) return coverRange(cm, from, to); + + var coverStart = array[0].find(), coverEnd = array[array.length - 1].find(); + if (!coverStart || !coverEnd || to.line - from.line < CHUNK_SIZE || + cmp(from, coverEnd.to) >= 0 || cmp(to, coverStart.from) <= 0) + return reset(cm); + + while (cmp(from, coverStart.from) > 0) { + array.shift().clear(); + coverStart = array[0].find(); + } + if (cmp(from, coverStart.from) < 0) { + if (coverStart.to.line - from.line < CHUNK_SIZE) { + array.shift().clear(); + coverRange(cm, from, coverStart.to, 0); + } else { + coverRange(cm, from, coverStart.from, 0); + } + } + + while (cmp(to, coverEnd.to) < 0) { + array.pop().clear(); + coverEnd = array[array.length - 1].find(); + } + if (cmp(to, coverEnd.to) > 0) { + if (to.line - coverEnd.from.line < CHUNK_SIZE) { + array.pop().clear(); + coverRange(cm, coverEnd.from, to); + } else { + coverRange(cm, coverEnd.to, to); + } + } + } +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/matchbrackets.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/matchbrackets.js index 9d9b3882f..76754ed55 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/matchbrackets.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/matchbrackets.js @@ -1,79 +1,111 @@ -(function() { +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { var ie_lt8 = /MSIE \d/.test(navigator.userAgent) && (document.documentMode == null || document.documentMode < 8); var Pos = CodeMirror.Pos; var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; - function findMatchingBracket(cm, where, strict) { - var state = cm.state.matchBrackets; - var maxScanLen = (state && state.maxScanLineLength) || 10000; - var maxScanLines = (state && state.maxScanLines) || 100; - var cur = where || cm.getCursor(), line = cm.getLineHandle(cur.line), pos = cur.ch - 1; + function findMatchingBracket(cm, where, strict, config) { + var line = cm.getLineHandle(where.line), pos = where.ch - 1; var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; if (!match) return null; - var forward = match.charAt(1) == ">", d = forward ? 1 : -1; - if (strict && forward != (pos == cur.ch)) return null; - var style = cm.getTokenTypeAt(Pos(cur.line, pos + 1)); + var dir = match.charAt(1) == ">" ? 1 : -1; + if (strict && (dir > 0) != (pos == where.ch)) return null; + var style = cm.getTokenTypeAt(Pos(where.line, pos + 1)); + + var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config); + if (found == null) return null; + return {from: Pos(where.line, pos), to: found && found.pos, + match: found && found.ch == match.charAt(0), forward: dir > 0}; + } - var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; - function scan(line, lineNo, start) { - if (!line.text) return; - var pos = forward ? 0 : line.text.length - 1, end = forward ? line.text.length : -1; - if (line.text.length > maxScanLen) return null; - if (start != null) pos = start + d; - for (; pos != end; pos += d) { - var ch = line.text.charAt(pos); - if (re.test(ch) && cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style) { + // bracketRegex is used to specify which type of bracket to scan + // should be a regexp, e.g. /[[\]]/ + // + // Note: If "where" is on an open bracket, then this bracket is ignored. + // + // Returns false when no bracket was found, null when it reached + // maxScanLines and gave up + function scanForBracket(cm, where, dir, style, config) { + var maxScanLen = (config && config.maxScanLineLength) || 10000; + var maxScanLines = (config && config.maxScanLines) || 1000; + + var stack = []; + var re = config && config.bracketRegex ? config.bracketRegex : /[(){}[\]]/; + var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1) + : Math.max(cm.firstLine() - 1, where.line - maxScanLines); + for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) { + var line = cm.getLine(lineNo); + if (!line) continue; + var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1; + if (line.length > maxScanLen) continue; + if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0); + for (; pos != end; pos += dir) { + var ch = line.charAt(pos); + if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) { var match = matching[ch]; - if (match.charAt(1) == ">" == forward) stack.push(ch); - else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; - else if (!stack.length) return {pos: pos, match: true}; + if ((match.charAt(1) == ">") == (dir > 0)) stack.push(ch); + else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch}; + else stack.pop(); } } } - for (var i = cur.line, found, e = forward ? Math.min(i + maxScanLines, cm.lineCount()) : Math.max(-1, i - maxScanLines); i != e; i+=d) { - if (i == cur.line) found = scan(line, i, pos); - else found = scan(cm.getLineHandle(i), i); - if (found) break; - } - return {from: Pos(cur.line, pos), to: found && Pos(i, found.pos), - match: found && found.match, forward: forward}; + return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null; } - function matchBrackets(cm, autoclear) { + function matchBrackets(cm, autoclear, config) { // Disable brace matching in long lines, since it'll cause hugely slow updates var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000; - var found = findMatchingBracket(cm); - if (!found || cm.getLine(found.from.line).length > maxHighlightLen || - found.to && cm.getLine(found.to.line).length > maxHighlightLen) - return; + var marks = [], ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config); + if (match && cm.getLine(match.from.line).length <= maxHighlightLen) { + var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; + marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style})); + if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen) + marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style})); + } + } + + if (marks.length) { + // Kludge to work around the IE bug from issue #1193, where text + // input stops going to the textare whever this fires. + if (ie_lt8 && cm.state.focused) cm.focus(); - var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; - var one = cm.markText(found.from, Pos(found.from.line, found.from.ch + 1), {className: style}); - var two = found.to && cm.markText(found.to, Pos(found.to.line, found.to.ch + 1), {className: style}); - // Kludge to work around the IE bug from issue #1193, where text - // input stops going to the textare whever this fires. - if (ie_lt8 && cm.state.focused) cm.display.input.focus(); - var clear = function() { - cm.operation(function() { one.clear(); two && two.clear(); }); - }; - if (autoclear) setTimeout(clear, 800); - else return clear; + var clear = function() { + cm.operation(function() { + for (var i = 0; i < marks.length; i++) marks[i].clear(); + }); + }; + if (autoclear) setTimeout(clear, 800); + else return clear; + } } var currentlyHighlighted = null; function doMatchBrackets(cm) { cm.operation(function() { if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;} - if (!cm.somethingSelected()) currentlyHighlighted = matchBrackets(cm, false); + currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets); }); } CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) { - if (old && old != CodeMirror.Init) + if (old && old != CodeMirror.Init) { cm.off("cursorActivity", doMatchBrackets); + if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;} + } if (val) { cm.state.matchBrackets = typeof val == "object" ? val : {}; cm.on("cursorActivity", doMatchBrackets); @@ -81,7 +113,10 @@ }); CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);}); - CodeMirror.defineExtension("findMatchingBracket", function(pos, strict){ - return findMatchingBracket(this, pos, strict); + CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){ + return findMatchingBracket(this, pos, strict, config); + }); + CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){ + return scanForBracket(this, pos, dir, style, config); }); -})(); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/overlay.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/overlay.js index b7928a7bb..4a9f99a07 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/overlay.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/overlay.js @@ -1,20 +1,34 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + // Utility function that allows modes to be combined. The mode given // as the base argument takes care of most of the normal mode // functionality, but a second (typically simple) mode is used, which // can override the style of text. Both modes get to parse all of the // text, but when both assign a non-null style to a piece of code, the -// overlay wins, unless the combine argument was true, in which case -// the styles are combined. +// overlay wins, unless the combine argument was true and not overridden, +// or state.overlay.combineTokens was true, in which case the styles are +// combined. + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; -// overlayParser is the old, deprecated name -CodeMirror.overlayMode = CodeMirror.overlayParser = function(base, overlay, combine) { +CodeMirror.overlayMode = function(base, overlay, combine) { return { startState: function() { return { base: CodeMirror.startState(base), overlay: CodeMirror.startState(overlay), basePos: 0, baseCur: null, - overlayPos: 0, overlayCur: null + overlayPos: 0, overlayCur: null, + streamSeen: null }; }, copyState: function(state) { @@ -27,6 +41,12 @@ CodeMirror.overlayMode = CodeMirror.overlayParser = function(base, overlay, comb }, token: function(stream, state) { + if (stream != state.streamSeen || + Math.min(state.basePos, state.overlayPos) < stream.start) { + state.streamSeen = stream; + state.basePos = state.overlayPos = stream.start; + } + if (stream.start == state.basePos) { state.baseCur = base.token(stream, state.base); state.basePos = stream.pos; @@ -37,10 +57,14 @@ CodeMirror.overlayMode = CodeMirror.overlayParser = function(base, overlay, comb state.overlayPos = stream.pos; } stream.pos = Math.min(state.basePos, state.overlayPos); - if (stream.eol()) state.basePos = state.overlayPos = 0; + // state.overlay.combineTokens always takes precedence over combine, + // unless set to null if (state.overlayCur == null) return state.baseCur; - if (state.baseCur != null && combine) return state.baseCur + " " + state.overlayCur; + else if (state.baseCur != null && + state.overlay.combineTokens || + combine && state.overlay.combineTokens == null) + return state.baseCur + " " + state.overlayCur; else return state.overlayCur; }, @@ -52,8 +76,15 @@ CodeMirror.overlayMode = CodeMirror.overlayParser = function(base, overlay, comb innerMode: function(state) { return {state: state.base, mode: base}; }, blankLine: function(state) { - if (base.blankLine) base.blankLine(state.base); - if (overlay.blankLine) overlay.blankLine(state.overlay); + var baseToken, overlayToken; + if (base.blankLine) baseToken = base.blankLine(state.base); + if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay); + + return overlayToken == null ? + baseToken : + (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken); } }; }; + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/placeholder.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/placeholder.js index 748afe727..2f8b1f84a 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/placeholder.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/placeholder.js @@ -1,13 +1,25 @@ -(function() { +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { CodeMirror.defineOption("placeholder", "", function(cm, val, old) { var prev = old && old != CodeMirror.Init; if (val && !prev) { cm.on("blur", onBlur); cm.on("change", onChange); + cm.on("swapDoc", onChange); onChange(cm); } else if (!val && prev) { cm.off("blur", onBlur); cm.off("change", onChange); + cm.off("swapDoc", onChange); clearPlaceholder(cm); var wrapper = cm.getWrapperElement(); wrapper.className = wrapper.className.replace(" CodeMirror-empty", ""); @@ -27,7 +39,9 @@ var elt = cm.state.placeholder = document.createElement("pre"); elt.style.cssText = "height: 0; overflow: visible"; elt.className = "CodeMirror-placeholder"; - elt.appendChild(document.createTextNode(cm.getOption("placeholder"))); + var placeHolder = cm.getOption("placeholder") + if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder) + elt.appendChild(placeHolder) cm.display.lineSpace.insertBefore(elt, cm.display.lineSpace.firstChild); } @@ -45,4 +59,4 @@ function isEmpty(cm) { return (cm.lineCount() === 1) && (cm.getLine(0) === ""); } -})(); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/runmode.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/runmode.js index 7aafa2ad8..a51c6d0d5 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/runmode.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/runmode.js @@ -1,9 +1,22 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + CodeMirror.runMode = function(string, modespec, callback, options) { var mode = CodeMirror.getMode(CodeMirror.defaults, modespec); var ie = /MSIE \d/.test(navigator.userAgent); var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9); - if (callback.nodeType == 1) { + if (callback.appendChild) { var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize; var node = callback, col = 0; node.innerHTML = ""; @@ -43,10 +56,11 @@ CodeMirror.runMode = function(string, modespec, callback, options) { }; } - var lines = CodeMirror.splitLines(string), state = CodeMirror.startState(mode); + var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode); for (var i = 0, e = lines.length; i < e; ++i) { if (i) callback("\n"); var stream = new CodeMirror.StringStream(lines[i]); + if (!stream.string && mode.blankLine) mode.blankLine(state); while (!stream.eol()) { var style = mode.token(stream, state); callback(stream.current(), style, i, stream.start, state); @@ -54,3 +68,5 @@ CodeMirror.runMode = function(string, modespec, callback, options) { } } }; + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/sass.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sass.js index 9c9a0dae0..6973ece29 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/sass.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sass.js @@ -1,300 +1,379 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + CodeMirror.defineMode("sass", function(config) { - var tokenRegexp = function(words){ + function tokenRegexp(words) { return new RegExp("^" + words.join("|")); - }; + } var keywords = ["true", "false", "null", "auto"]; var keywordsRegexp = new RegExp("^" + keywords.join("|")); - var operators = ["\\(", "\\)", "=", ">", "<", "==", ">=", "<=", "\\+", "-", "\\!=", "/", "\\*", "%", "and", "or", "not"]; + var operators = ["\\(", "\\)", "=", ">", "<", "==", ">=", "<=", "\\+", "-", + "\\!=", "/", "\\*", "%", "and", "or", "not", ";","\\{","\\}",":"]; var opRegexp = tokenRegexp(operators); - var pseudoElementsRegexp = /^::?[\w\-]+/; + var pseudoElementsRegexp = /^::?[a-zA-Z_][\w\-]*/; - var urlTokens = function(stream, state){ + function urlTokens(stream, state) { var ch = stream.peek(); - if (ch === ")"){ + if (ch === ")") { stream.next(); state.tokenizer = tokenBase; return "operator"; - }else if (ch === "("){ + } else if (ch === "(") { stream.next(); stream.eatSpace(); return "operator"; - }else if (ch === "'" || ch === '"'){ + } else if (ch === "'" || ch === '"') { state.tokenizer = buildStringTokenizer(stream.next()); return "string"; - }else{ + } else { state.tokenizer = buildStringTokenizer(")", false); return "string"; } - }; - var multilineComment = function(stream, state) { - if (stream.skipTo("*/")){ - stream.next(); - stream.next(); - state.tokenizer = tokenBase; - }else { - stream.next(); - } + } + function comment(indentation, multiLine) { + return function(stream, state) { + if (stream.sol() && stream.indentation() <= indentation) { + state.tokenizer = tokenBase; + return tokenBase(stream, state); + } - return "comment"; - }; + if (multiLine && stream.skipTo("*/")) { + stream.next(); + stream.next(); + state.tokenizer = tokenBase; + } else { + stream.skipToEnd(); + } - var buildStringTokenizer = function(quote, greedy){ - if(greedy == null){ greedy = true; } + return "comment"; + }; + } - function stringTokenizer(stream, state){ + function buildStringTokenizer(quote, greedy) { + if (greedy == null) { greedy = true; } + + function stringTokenizer(stream, state) { var nextChar = stream.next(); var peekChar = stream.peek(); var previousChar = stream.string.charAt(stream.pos-2); var endingString = ((nextChar !== "\\" && peekChar === quote) || (nextChar === quote && previousChar !== "\\")); - /* - console.log("previousChar: " + previousChar); - console.log("nextChar: " + nextChar); - console.log("peekChar: " + peekChar); - console.log("ending: " + endingString); - */ - - if (endingString){ + if (endingString) { if (nextChar !== quote && greedy) { stream.next(); } state.tokenizer = tokenBase; return "string"; - }else if (nextChar === "#" && peekChar === "{"){ + } else if (nextChar === "#" && peekChar === "{") { state.tokenizer = buildInterpolationTokenizer(stringTokenizer); stream.next(); return "operator"; - }else { + } else { return "string"; } } return stringTokenizer; - }; + } - var buildInterpolationTokenizer = function(currentTokenizer){ - return function(stream, state){ - if (stream.peek() === "}"){ + function buildInterpolationTokenizer(currentTokenizer) { + return function(stream, state) { + if (stream.peek() === "}") { stream.next(); state.tokenizer = currentTokenizer; return "operator"; - }else{ + } else { return tokenBase(stream, state); } }; - }; + } - var indent = function(state){ - if (state.indentCount == 0){ + function indent(state) { + if (state.indentCount == 0) { state.indentCount++; var lastScopeOffset = state.scopes[0].offset; var currentOffset = lastScopeOffset + config.indentUnit; state.scopes.unshift({ offset:currentOffset }); } - }; + } - var dedent = function(state){ - if (state.scopes.length == 1) { return; } + function dedent(state) { + if (state.scopes.length == 1) return; state.scopes.shift(); - }; + } - var tokenBase = function(stream, state) { + function tokenBase(stream, state) { var ch = stream.peek(); - // Single line Comment - if (stream.match('//')) { - stream.skipToEnd(); - return "comment"; + // Comment + if (stream.match("/*")) { + state.tokenizer = comment(stream.indentation(), true); + return state.tokenizer(stream, state); } - - // Multiline Comment - if (stream.match('/*')){ - state.tokenizer = multilineComment; + if (stream.match("//")) { + state.tokenizer = comment(stream.indentation(), false); return state.tokenizer(stream, state); } // Interpolation - if (stream.match('#{')){ - state.tokenizer = buildInterpolationTokenizer(tokenBase); + if (stream.match("#{")) { + state.tokenizer = buildInterpolationTokenizer(tokenBase); return "operator"; } - if (ch === "."){ + // Strings + if (ch === '"' || ch === "'") { stream.next(); + state.tokenizer = buildStringTokenizer(ch); + return "string"; + } - // Match class selectors - if (stream.match(/^[\w-]+/)){ - indent(state); - return "atom"; - }else if (stream.peek() === "#"){ - indent(state); - return "atom"; - }else{ - return "operator"; + if(!state.cursorHalf){// state.cursorHalf === 0 + // first half i.e. before : for key-value pairs + // including selectors + + if (ch === ".") { + stream.next(); + if (stream.match(/^[\w-]+/)) { + indent(state); + return "atom"; + } else if (stream.peek() === "#") { + indent(state); + return "atom"; + } } - } - if (ch === "#"){ - stream.next(); + if (ch === "#") { + stream.next(); + // ID selectors + if (stream.match(/^[\w-]+/)) { + indent(state); + return "atom"; + } + if (stream.peek() === "#") { + indent(state); + return "atom"; + } + } - // Hex numbers - if (stream.match(/[0-9a-fA-F]{6}|[0-9a-fA-F]{3}/)){ - return "number"; + // Variables + if (ch === "$") { + stream.next(); + stream.eatWhile(/[\w-]/); + return "variable-2"; } - // ID selectors - if (stream.match(/^[\w-]+/)){ - indent(state); + // Numbers + if (stream.match(/^-?[0-9\.]+/)) + return "number"; + + // Units + if (stream.match(/^(px|em|in)\b/)) + return "unit"; + + if (stream.match(keywordsRegexp)) + return "keyword"; + + if (stream.match(/^url/) && stream.peek() === "(") { + state.tokenizer = urlTokens; return "atom"; } - if (stream.peek() === "#"){ - indent(state); - return "atom"; + if (ch === "=") { + // Match shortcut mixin definition + if (stream.match(/^=[\w-]+/)) { + indent(state); + return "meta"; + } } - } - // Numbers - if (stream.match(/^-?[0-9\.]+/)){ - return "number"; - } + if (ch === "+") { + // Match shortcut mixin definition + if (stream.match(/^\+[\w-]+/)){ + return "variable-3"; + } + } - // Units - if (stream.match(/^(px|em|in)\b/)){ - return "unit"; - } + if(ch === "@"){ + if(stream.match(/@extend/)){ + if(!stream.match(/\s*[\w]/)) + dedent(state); + } + } - if (stream.match(keywordsRegexp)){ - return "keyword"; - } - if (stream.match(/^url/) && stream.peek() === "("){ - state.tokenizer = urlTokens; - return "atom"; - } + // Indent Directives + if (stream.match(/^@(else if|if|media|else|for|each|while|mixin|function)/)) { + indent(state); + return "meta"; + } - // Variables - if (ch === "$"){ - stream.next(); - stream.eatWhile(/[\w-]/); + // Other Directives + if (ch === "@") { + stream.next(); + stream.eatWhile(/[\w-]/); + return "meta"; + } + + if (stream.eatWhile(/[\w-]/)){ + if(stream.match(/ *: *[\w-\+\$#!\("']/,false)){ + return "property"; + } + else if(stream.match(/ *:/,false)){ + indent(state); + state.cursorHalf = 1; + return "atom"; + } + else if(stream.match(/ *,/,false)){ + return "atom"; + } + else{ + indent(state); + return "atom"; + } + } - if (stream.peek() === ":"){ + if(ch === ":"){ + if (stream.match(pseudoElementsRegexp)){ // could be a pseudo-element + return "keyword"; + } stream.next(); - return "variable-2"; - }else{ - return "variable-3"; + state.cursorHalf=1; + return "operator"; } - } - if (ch === "!"){ - stream.next(); + } // cursorHalf===0 ends here + else{ - if (stream.match(/^[\w]+/)){ - return "keyword"; + if (ch === "#") { + stream.next(); + // Hex numbers + if (stream.match(/[0-9a-fA-F]{6}|[0-9a-fA-F]{3}/)){ + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "number"; + } } - return "operator"; - } + // Numbers + if (stream.match(/^-?[0-9\.]+/)){ + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "number"; + } - if (ch === "="){ - stream.next(); + // Units + if (stream.match(/^(px|em|in)\b/)){ + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "unit"; + } - // Match shortcut mixin definition - if (stream.match(/^[\w-]+/)){ - indent(state); - return "meta"; - }else { - return "operator"; + if (stream.match(keywordsRegexp)){ + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "keyword"; } - } - if (ch === "+"){ - stream.next(); + if (stream.match(/^url/) && stream.peek() === "(") { + state.tokenizer = urlTokens; + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "atom"; + } - // Match shortcut mixin definition - if (stream.match(/^[\w-]+/)){ + // Variables + if (ch === "$") { + stream.next(); + stream.eatWhile(/[\w-]/); + if(!stream.peek()){ + state.cursorHalf = 0; + } return "variable-3"; - }else { - return "operator"; } - } - // Indent Directives - if (stream.match(/^@(else if|if|media|else|for|each|while|mixin|function)/)){ - indent(state); - return "meta"; - } + // bang character for !important, !default, etc. + if (ch === "!") { + stream.next(); + if(!stream.peek()){ + state.cursorHalf = 0; + } + return stream.match(/^[\w]+/) ? "keyword": "operator"; + } - // Other Directives - if (ch === "@"){ - stream.next(); - stream.eatWhile(/[\w-]/); - return "meta"; - } + if (stream.match(opRegexp)){ + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "operator"; + } - // Strings - if (ch === '"' || ch === "'"){ - stream.next(); - state.tokenizer = buildStringTokenizer(ch); - return "string"; - } + // attributes + if (stream.eatWhile(/[\w-]/)) { + if(!stream.peek()){ + state.cursorHalf = 0; + } + return "attribute"; + } - // Pseudo element selectors - if (ch == ':' && stream.match(pseudoElementsRegexp)){ - return "keyword"; - } + //stream.eatSpace(); + if(!stream.peek()){ + state.cursorHalf = 0; + return null; + } - // atoms - if (stream.eatWhile(/[\w-&]/)){ - // matches a property definition - if (stream.peek() === ":" && !stream.match(pseudoElementsRegexp, false)) - return "property"; - else - return "atom"; - } + } // else ends here - if (stream.match(opRegexp)){ + if (stream.match(opRegexp)) return "operator"; - } // If we haven't returned by now, we move 1 character // and return an error stream.next(); return null; - }; + } - var tokenLexer = function(stream, state) { - if (stream.sol()){ - state.indentCount = 0; - } + function tokenLexer(stream, state) { + if (stream.sol()) state.indentCount = 0; var style = state.tokenizer(stream, state); var current = stream.current(); - if (current === "@return"){ + if (current === "@return" || current === "}"){ dedent(state); } - if (style === "atom"){ - indent(state); - } - - if (style !== null){ + if (style !== null) { var startOfToken = stream.pos - current.length; + var withCurrentIndent = startOfToken + (config.indentUnit * state.indentCount); var newScopes = []; - for (var i = 0; i < state.scopes.length; i++){ + for (var i = 0; i < state.scopes.length; i++) { var scope = state.scopes[i]; - if (scope.offset <= withCurrentIndent){ + if (scope.offset <= withCurrentIndent) newScopes.push(scope); - } } state.scopes = newScopes; @@ -302,13 +381,16 @@ CodeMirror.defineMode("sass", function(config) { return style; - }; + } return { startState: function() { return { tokenizer: tokenBase, - scopes: [{offset: 0, type: 'sass'}], + scopes: [{offset: 0, type: "sass"}], + indentCount: 0, + cursorHalf: 0, // cursor half tells us if cursor lies after (1) + // or before (0) colon (well... more or less) definedVars: [], definedMixins: [] }; @@ -328,3 +410,5 @@ CodeMirror.defineMode("sass", function(config) { }); CodeMirror.defineMIME("text/x-sass", "sass"); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/searchcursor.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/searchcursor.js index c034d5865..b70242ee4 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/searchcursor.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/searchcursor.js @@ -1,4 +1,15 @@ -(function(){ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; var Pos = CodeMirror.Pos; function SearchCursor(doc, query, pos, caseFold) { @@ -47,6 +58,7 @@ match: match}; }; } else { // String query + var origQuery = query; if (caseFold) query = query.toLowerCase(); var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;}; var target = query.split("\n"); @@ -58,33 +70,45 @@ this.matches = function() {}; } else { this.matches = function(reverse, pos) { - var line = fold(doc.getLine(pos.line)), len = query.length, match; - if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1) - : (match = line.indexOf(query, pos.ch)) != -1) - return {from: Pos(pos.line, match), - to: Pos(pos.line, match + len)}; + if (reverse) { + var orig = doc.getLine(pos.line).slice(0, pos.ch), line = fold(orig); + var match = line.lastIndexOf(query); + if (match > -1) { + match = adjustPos(orig, line, match); + return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)}; + } + } else { + var orig = doc.getLine(pos.line).slice(pos.ch), line = fold(orig); + var match = line.indexOf(query); + if (match > -1) { + match = adjustPos(orig, line, match) + pos.ch; + return {from: Pos(pos.line, match), to: Pos(pos.line, match + origQuery.length)}; + } + } }; } } else { + var origTarget = origQuery.split("\n"); this.matches = function(reverse, pos) { - var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(doc.getLine(ln)); - var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match)); - if (reverse ? offsetA > pos.ch || offsetA != match.length - : offsetA < pos.ch || offsetA != line.length - match.length) - return; - for (;;) { - if (reverse ? !ln : ln == doc.lineCount() - 1) return; - line = fold(doc.getLine(ln += reverse ? -1 : 1)); - match = target[reverse ? --idx : ++idx]; - if (idx > 0 && idx < target.length - 1) { - if (line != match) return; - else continue; - } - var offsetB = (reverse ? line.lastIndexOf(match) : line.indexOf(match) + match.length); - if (reverse ? offsetB != line.length - match.length : offsetB != match.length) - return; - var start = Pos(pos.line, offsetA), end = Pos(ln, offsetB); - return {from: reverse ? end : start, to: reverse ? start : end}; + var last = target.length - 1; + if (reverse) { + if (pos.line - (target.length - 1) < doc.firstLine()) return; + if (fold(doc.getLine(pos.line).slice(0, origTarget[last].length)) != target[target.length - 1]) return; + var to = Pos(pos.line, origTarget[last].length); + for (var ln = pos.line - 1, i = last - 1; i >= 1; --i, --ln) + if (target[i] != fold(doc.getLine(ln))) return; + var line = doc.getLine(ln), cut = line.length - origTarget[0].length; + if (fold(line.slice(cut)) != target[0]) return; + return {from: Pos(ln, cut), to: to}; + } else { + if (pos.line + (target.length - 1) > doc.lastLine()) return; + var line = doc.getLine(pos.line), cut = line.length - origTarget[0].length; + if (fold(line.slice(cut)) != target[0]) return; + var from = Pos(pos.line, cut); + for (var ln = pos.line + 1, i = 1; i < last; ++i, ++ln) + if (target[i] != fold(doc.getLine(ln))) return; + if (fold(doc.getLine(ln).slice(0, origTarget[last].length)) != target[last]) return; + return {from: from, to: Pos(ln, origTarget[last].length)}; } }; } @@ -106,7 +130,6 @@ for (;;) { if (this.pos = this.matches(reverse, pos)) { - if (!this.pos.from || !this.pos.to) { console.log(this.matches, this.pos); } this.atOccurrence = true; return this.pos.match || true; } @@ -125,19 +148,42 @@ from: function() {if (this.atOccurrence) return this.pos.from;}, to: function() {if (this.atOccurrence) return this.pos.to;}, - replace: function(newText) { + replace: function(newText, origin) { if (!this.atOccurrence) return; var lines = CodeMirror.splitLines(newText); - this.doc.replaceRange(lines, this.pos.from, this.pos.to); + this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin); this.pos.to = Pos(this.pos.from.line + lines.length - 1, lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0)); } }; + // Maps a position in a case-folded line back to a position in the original line + // (compensating for codepoints increasing in number during folding) + function adjustPos(orig, folded, pos) { + if (orig.length == folded.length) return pos; + for (var pos1 = Math.min(pos, orig.length);;) { + var len1 = orig.slice(0, pos1).toLowerCase().length; + if (len1 < pos) ++pos1; + else if (len1 > pos) --pos1; + else return pos1; + } + } + CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) { return new SearchCursor(this.doc, query, pos, caseFold); }); CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) { return new SearchCursor(this, query, pos, caseFold); }); -})(); + + CodeMirror.defineExtension("selectMatches", function(query, caseFold) { + var ranges = []; + var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold); + while (cur.findNext()) { + if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break; + ranges.push({anchor: cur.from(), head: cur.to()}); + } + if (ranges.length) + this.setSelections(ranges, 0); + }); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/sql.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sql.js index 3be68caa1..32ced3e9d 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/sql.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sql.js @@ -1,3 +1,16 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + CodeMirror.defineMode("sql", function(config, parserConfig) { "use strict"; @@ -19,13 +32,13 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { if (result !== false) return result; } - if (support.hexNumber == true && + if (support.hexNumber && ((ch == "0" && stream.match(/^[xX][0-9a-fA-F]+/)) || (ch == "x" || ch == "X") && stream.match(/^'[0-9a-fA-F]+'/))) { // hex // ref: http://dev.mysql.com/doc/refman/5.5/en/hexadecimal-literals.html return "number"; - } else if (support.binaryNumber == true && + } else if (support.binaryNumber && (((ch == "b" || ch == "B") && stream.match(/^'[01]+'/)) || (ch == "0" && stream.match(/^b[01]+/)))) { // bitstring @@ -35,7 +48,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { // numbers // ref: http://dev.mysql.com/doc/refman/5.5/en/number-literals.html stream.match(/^[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?/); - support.decimallessFloat == true && stream.eat('.'); + support.decimallessFloat && stream.eat('.'); return "number"; } else if (ch == "?" && (stream.eatSpace() || stream.eol() || stream.eat(";"))) { // placeholders @@ -45,14 +58,14 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html state.tokenize = tokenLiteral(ch); return state.tokenize(stream, state); - } else if ((((support.nCharCast == true && (ch == "n" || ch == "N")) - || (support.charsetCast == true && ch == "_" && stream.match(/[a-z][a-z0-9]*/i))) + } else if ((((support.nCharCast && (ch == "n" || ch == "N")) + || (support.charsetCast && ch == "_" && stream.match(/[a-z][a-z0-9]*/i))) && (stream.peek() == "'" || stream.peek() == '"'))) { // charset casting: _utf8'str', N'str', n'str' // ref: http://dev.mysql.com/doc/refman/5.5/en/string-literals.html return "keyword"; } else if (/^[\(\),\;\[\]]/.test(ch)) { - // no highlightning + // no highlighting return null; } else if (support.commentSlashSlash && ch == "/" && stream.eat("/")) { // 1-line comment @@ -71,12 +84,12 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { return state.tokenize(stream, state); } else if (ch == ".") { // .1 for 0.1 - if (support.zerolessFloat == true && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i)) { + if (support.zerolessFloat && stream.match(/^(?:\d+(?:e[+-]?\d+)?)/i)) { return "number"; } // .table_name (ODBC) // // ref: http://dev.mysql.com/doc/refman/5.6/en/identifier-qualifiers.html - if (support.ODBCdotTable == true && stream.match(/^[a-zA-Z_]+/)) { + if (support.ODBCdotTable && stream.match(/^[a-zA-Z_]+/)) { return "variable-2"; } } else if (operatorChars.test(ch)) { @@ -178,8 +191,9 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { indent: function(state, textAfter) { var cx = state.context; if (!cx) return CodeMirror.Pass; - if (cx.align) return cx.col + (textAfter.charAt(0) == cx.type ? 0 : 1); - else return cx.indent + config.indentUnit; + var closing = textAfter.charAt(0) == cx.type; + if (cx.align) return cx.col + (closing ? 0 : 1); + else return cx.indent + (closing ? 0 : config.indentUnit); }, blockCommentStart: "/*", @@ -199,7 +213,8 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { while ((ch = stream.next()) != null) { if (ch == "`" && !stream.eat("`")) return "variable-2"; } - return null; + stream.backUp(stream.current().length - 1); + return stream.eatWhile(/\w/) ? "variable-2" : null; } // variable token @@ -242,7 +257,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { } // these keywords are used by all SQL dialects (however, a mode can still overwrite it) - var sqlKeywords = "alter and as asc between by count create delete desc distinct drop from having in insert into is join like not on or order select set table union update values where "; + var sqlKeywords = "alter and as asc between by count create delete desc distinct drop from group having in insert into is join like not on or order select set table union update values where limit "; // turn a space-separated list into an array function set(str) { @@ -265,7 +280,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-mssql", { name: "sql", client: set("charset clear connect edit ego exit go help nopager notee nowarning pager print prompt quit rehash source status system tee"), - keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered"), + keywords: set(sqlKeywords + "begin trigger proc view index for add constraint key primary foreign collate clustered nonclustered declare exec"), builtin: set("bigint numeric bit smallint decimal smallmoney int tinyint money float real char varchar text nchar nvarchar ntext binary varbinary image cursor timestamp hierarchyid uniqueidentifier sql_variant xml table "), atoms: set("false true null unknown"), operatorChars: /^[*+\-%<>!=]/, @@ -278,7 +293,7 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-mysql", { name: "sql", client: set("charset clear connect edit ego exit go help nopager notee nowarning pager print prompt quit rehash source status system tee"), - keywords: set(sqlKeywords + "accessible action add after algorithm all analyze asensitive at authors auto_increment autocommit avg avg_row_length before binary binlog both btree cache call cascade cascaded case catalog_name chain change changed character check checkpoint checksum class_origin client_statistics close coalesce code collate collation collations column columns comment commit committed completion concurrent condition connection consistent constraint contains continue contributors convert cross current current_date current_time current_timestamp current_user cursor data database databases day_hour day_microsecond day_minute day_second deallocate dec declare default delay_key_write delayed delimiter des_key_file describe deterministic dev_pop dev_samp deviance diagnostics directory disable discard distinctrow div dual dumpfile each elseif enable enclosed end ends engine engines enum errors escape escaped even event events every execute exists exit explain extended fast fetch field fields first flush for force foreign found_rows full fulltext function general get global grant grants group groupby_concat handler hash help high_priority hosts hour_microsecond hour_minute hour_second if ignore ignore_server_ids import index index_statistics infile inner innodb inout insensitive insert_method install interval invoker isolation iterate key keys kill language last leading leave left level limit linear lines list load local localtime localtimestamp lock logs low_priority master master_heartbeat_period master_ssl_verify_server_cert masters match max max_rows maxvalue message_text middleint migrate min min_rows minute_microsecond minute_second mod mode modifies modify mutex mysql_errno natural next no no_write_to_binlog offline offset one online open optimize option optionally out outer outfile pack_keys parser partition partitions password phase plugin plugins prepare preserve prev primary privileges procedure processlist profile profiles purge query quick range read read_write reads real rebuild recover references regexp relaylog release remove rename reorganize repair repeatable replace require resignal restrict resume return returns revoke right rlike rollback rollup row row_format rtree savepoint schedule schema schema_name schemas second_microsecond security sensitive separator serializable server session share show signal slave slow smallint snapshot soname spatial specific sql sql_big_result sql_buffer_result sql_cache sql_calc_found_rows sql_no_cache sql_small_result sqlexception sqlstate sqlwarning ssl start starting starts status std stddev stddev_pop stddev_samp storage straight_join subclass_origin sum suspend table_name table_statistics tables tablespace temporary terminated to trailing transaction trigger triggers truncate uncommitted undo uninstall unique unlock upgrade usage use use_frm user user_resources user_statistics using utc_date utc_time utc_timestamp value variables varying view views warnings when while with work write xa xor year_month zerofill begin do then else loop repeat"), + keywords: set(sqlKeywords + "accessible action add after algorithm all analyze asensitive at authors auto_increment autocommit avg avg_row_length before binary binlog both btree cache call cascade cascaded case catalog_name chain change changed character check checkpoint checksum class_origin client_statistics close coalesce code collate collation collations column columns comment commit committed completion concurrent condition connection consistent constraint contains continue contributors convert cross current current_date current_time current_timestamp current_user cursor data database databases day_hour day_microsecond day_minute day_second deallocate dec declare default delay_key_write delayed delimiter des_key_file describe deterministic dev_pop dev_samp deviance diagnostics directory disable discard distinctrow div dual dumpfile each elseif enable enclosed end ends engine engines enum errors escape escaped even event events every execute exists exit explain extended fast fetch field fields first flush for force foreign found_rows full fulltext function general get global grant grants group group_concat handler hash help high_priority hosts hour_microsecond hour_minute hour_second if ignore ignore_server_ids import index index_statistics infile inner innodb inout insensitive insert_method install interval invoker isolation iterate key keys kill language last leading leave left level limit linear lines list load local localtime localtimestamp lock logs low_priority master master_heartbeat_period master_ssl_verify_server_cert masters match max max_rows maxvalue message_text middleint migrate min min_rows minute_microsecond minute_second mod mode modifies modify mutex mysql_errno natural next no no_write_to_binlog offline offset one online open optimize option optionally out outer outfile pack_keys parser partition partitions password phase plugin plugins prepare preserve prev primary privileges procedure processlist profile profiles purge query quick range read read_write reads real rebuild recover references regexp relaylog release remove rename reorganize repair repeatable replace require resignal restrict resume return returns revoke right rlike rollback rollup row row_format rtree savepoint schedule schema schema_name schemas second_microsecond security sensitive separator serializable server session share show signal slave slow smallint snapshot soname spatial specific sql sql_big_result sql_buffer_result sql_cache sql_calc_found_rows sql_no_cache sql_small_result sqlexception sqlstate sqlwarning ssl start starting starts status std stddev stddev_pop stddev_samp storage straight_join subclass_origin sum suspend table_name table_statistics tables tablespace temporary terminated to trailing transaction trigger triggers truncate uncommitted undo uninstall unique unlock upgrade usage use use_frm user user_resources user_statistics using utc_date utc_time utc_timestamp value variables varying view views warnings when while with work write xa xor year_month zerofill begin do then else loop repeat"), builtin: set("bool boolean bit blob decimal double float long longblob longtext medium mediumblob mediumint mediumtext time timestamp tinyblob tinyint tinytext text bigint int int1 int2 int3 int4 int8 integer float float4 float8 double char varbinary varchar varcharacter precision date datetime year unsigned signed numeric"), atoms: set("false true null unknown"), operatorChars: /^[*+\-%<>!=&|^]/, @@ -312,9 +327,9 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-cassandra", { name: "sql", client: { }, - keywords: set("use select from using consistency where limit first reversed first and in insert into values using consistency ttl update set delete truncate begin batch apply create keyspace with columnfamily primary key index on drop alter type add any one quorum all local_quorum each_quorum"), - builtin: set("ascii bigint blob boolean counter decimal double float int text timestamp uuid varchar varint"), - atoms: set("false true"), + keywords: set("add all allow alter and any apply as asc authorize batch begin by clustering columnfamily compact consistency count create custom delete desc distinct drop each_quorum exists filtering from grant if in index insert into key keyspace keyspaces level limit local_one local_quorum modify nan norecursive nosuperuser not of on one order password permission permissions primary quorum rename revoke schema select set storage superuser table three to token truncate ttl two type unlogged update use user users using values where with writetime"), + builtin: set("ascii bigint blob boolean counter decimal double float frozen inet int list map static text timestamp timeuuid tuple uuid varchar varint"), + atoms: set("false true infinity NaN"), operatorChars: /^[<>=]/, dateSQL: { }, support: set("commentSlashSlash decimallessFloat"), @@ -325,22 +340,55 @@ CodeMirror.defineMode("sql", function(config, parserConfig) { CodeMirror.defineMIME("text/x-plsql", { name: "sql", client: set("appinfo arraysize autocommit autoprint autorecovery autotrace blockterminator break btitle cmdsep colsep compatibility compute concat copycommit copytypecheck define describe echo editfile embedded escape exec execute feedback flagger flush heading headsep instance linesize lno loboffset logsource long longchunksize markup native newpage numformat numwidth pagesize pause pno recsep recsepchar release repfooter repheader serveroutput shiftinout show showmode size spool sqlblanklines sqlcase sqlcode sqlcontinue sqlnumber sqlpluscompatibility sqlprefix sqlprompt sqlterminator suffix tab term termout time timing trimout trimspool ttitle underline verify version wrap"), - keywords: set("abort accept access add all alter and any array arraylen as asc assert assign at attributes audit authorization avg base_table begin between binary_integer body boolean by case cast char char_base check close cluster clusters colauth column comment commit compress connect connected constant constraint crash create current currval cursor data_base database date dba deallocate debugoff debugon decimal declare default definition delay delete desc digits dispose distinct do drop else elsif enable end entry escape exception exception_init exchange exclusive exists exit external fast fetch file for force form from function generic goto grant group having identified if immediate in increment index indexes indicator initial initrans insert interface intersect into is key level library like limited local lock log logging long loop master maxextents maxtrans member minextents minus mislabel mode modify multiset new next no noaudit nocompress nologging noparallel not nowait number_base object of off offline on online only open option or order out package parallel partition pctfree pctincrease pctused pls_integer positive positiven pragma primary prior private privileges procedure public raise range raw read rebuild record ref references refresh release rename replace resource restrict return returning reverse revoke rollback row rowid rowlabel rownum rows run savepoint schema segment select separate session set share snapshot some space split sql start statement storage subtype successful synonym tabauth table tables tablespace task terminate then to trigger truncate type union unique unlimited unrecoverable unusable update use using validate value values variable view views when whenever where while with work"), - builtin: set("bfile blob character clob dec float int integer mlslabel natural naturaln nchar nclob number numeric nvarchar2 real rowtype signtype smallint string varchar varchar2 abs acos add_months ascii asin atan atan2 average bfilename ceil chartorowid chr concat convert cos cosh count decode deref dual dump dup_val_on_index empty error exp false floor found glb greatest hextoraw initcap instr instrb isopen last_day least lenght lenghtb ln lower lpad ltrim lub make_ref max min mod months_between new_time next_day nextval nls_charset_decl_len nls_charset_id nls_charset_name nls_initcap nls_lower nls_sort nls_upper nlssort no_data_found notfound null nvl others power rawtohex reftohex round rowcount rowidtochar rpad rtrim sign sin sinh soundex sqlcode sqlerrm sqrt stddev substr substrb sum sysdate tan tanh to_char to_date to_label to_multi_byte to_number to_single_byte translate true trunc uid upper user userenv variance vsize"), + keywords: set("abort accept access add all alter and any array arraylen as asc assert assign at attributes audit authorization avg base_table begin between binary_integer body boolean by case cast char char_base check close cluster clusters colauth column comment commit compress connect connected constant constraint crash create current currval cursor data_base database date dba deallocate debugoff debugon decimal declare default definition delay delete desc digits dispose distinct do drop else elseif elsif enable end entry escape exception exception_init exchange exclusive exists exit external fast fetch file for force form from function generic goto grant group having identified if immediate in increment index indexes indicator initial initrans insert interface intersect into is key level library like limited local lock log logging long loop master maxextents maxtrans member minextents minus mislabel mode modify multiset new next no noaudit nocompress nologging noparallel not nowait number_base object of off offline on online only open option or order out package parallel partition pctfree pctincrease pctused pls_integer positive positiven pragma primary prior private privileges procedure public raise range raw read rebuild record ref references refresh release rename replace resource restrict return returning returns reverse revoke rollback row rowid rowlabel rownum rows run savepoint schema segment select separate session set share snapshot some space split sql start statement storage subtype successful synonym tabauth table tables tablespace task terminate then to trigger truncate type union unique unlimited unrecoverable unusable update use using validate value values variable view views when whenever where while with work"), + builtin: set("abs acos add_months ascii asin atan atan2 average bfile bfilename bigserial bit blob ceil character chartorowid chr clob concat convert cos cosh count dec decode deref dual dump dup_val_on_index empty error exp false float floor found glb greatest hextoraw initcap instr instrb int integer isopen last_day least length lengthb ln lower lpad ltrim lub make_ref max min mlslabel mod months_between natural naturaln nchar nclob new_time next_day nextval nls_charset_decl_len nls_charset_id nls_charset_name nls_initcap nls_lower nls_sort nls_upper nlssort no_data_found notfound null number numeric nvarchar2 nvl others power rawtohex real reftohex round rowcount rowidtochar rowtype rpad rtrim serial sign signtype sin sinh smallint soundex sqlcode sqlerrm sqrt stddev string substr substrb sum sysdate tan tanh to_char text to_date to_label to_multi_byte to_number to_single_byte translate true trunc uid unlogged upper user userenv varchar varchar2 variance varying vsize xml"), operatorChars: /^[*+\-%<>!=~]/, dateSQL: set("date time timestamp"), support: set("doubleQuote nCharCast zerolessFloat binaryNumber hexNumber") }); + + // Created to support specific hive keywords + CodeMirror.defineMIME("text/x-hive", { + name: "sql", + keywords: set("select alter $elem$ $key$ $value$ add after all analyze and archive as asc before between binary both bucket buckets by cascade case cast change cluster clustered clusterstatus collection column columns comment compute concatenate continue create cross cursor data database databases dbproperties deferred delete delimited desc describe directory disable distinct distribute drop else enable end escaped exclusive exists explain export extended external false fetch fields fileformat first format formatted from full function functions grant group having hold_ddltime idxproperties if import in index indexes inpath inputdriver inputformat insert intersect into is items join keys lateral left like limit lines load local location lock locks mapjoin materialized minus msck no_drop nocompress not of offline on option or order out outer outputdriver outputformat overwrite partition partitioned partitions percent plus preserve procedure purge range rcfile read readonly reads rebuild recordreader recordwriter recover reduce regexp rename repair replace restrict revoke right rlike row schema schemas semi sequencefile serde serdeproperties set shared show show_database sort sorted ssl statistics stored streamtable table tables tablesample tblproperties temporary terminated textfile then tmp to touch transform trigger true unarchive undo union uniquejoin unlock update use using utc utc_tmestamp view when where while with"), + builtin: set("bool boolean long timestamp tinyint smallint bigint int float double date datetime unsigned string array struct map uniontype"), + atoms: set("false true null unknown"), + operatorChars: /^[*+\-%<>!=]/, + dateSQL: set("date timestamp"), + support: set("ODBCdotTable doubleQuote binaryNumber hexNumber") + }); + + CodeMirror.defineMIME("text/x-pgsql", { + name: "sql", + client: set("source"), + // http://www.postgresql.org/docs/9.5/static/sql-keywords-appendix.html + keywords: set(sqlKeywords + "a abort abs absent absolute access according action ada add admin after aggregate all allocate also always analyse analyze any are array array_agg array_max_cardinality asensitive assertion assignment asymmetric at atomic attribute attributes authorization avg backward base64 before begin begin_frame begin_partition bernoulli binary bit_length blob blocked bom both breadth c cache call called cardinality cascade cascaded case cast catalog catalog_name ceil ceiling chain characteristics characters character_length character_set_catalog character_set_name character_set_schema char_length check checkpoint class class_origin clob close cluster coalesce cobol collate collation collation_catalog collation_name collation_schema collect column columns column_name command_function command_function_code comment comments commit committed concurrently condition condition_number configuration conflict connect connection connection_name constraint constraints constraint_catalog constraint_name constraint_schema constructor contains content continue control conversion convert copy corr corresponding cost covar_pop covar_samp cross csv cube cume_dist current current_catalog current_date current_default_transform_group current_path current_role current_row current_schema current_time current_timestamp current_transform_group_for_type current_user cursor cursor_name cycle data database datalink datetime_interval_code datetime_interval_precision day db deallocate dec declare default defaults deferrable deferred defined definer degree delimiter delimiters dense_rank depth deref derived describe descriptor deterministic diagnostics dictionary disable discard disconnect dispatch dlnewcopy dlpreviouscopy dlurlcomplete dlurlcompleteonly dlurlcompletewrite dlurlpath dlurlpathonly dlurlpathwrite dlurlscheme dlurlserver dlvalue do document domain dynamic dynamic_function dynamic_function_code each element else empty enable encoding encrypted end end-exec end_frame end_partition enforced enum equals escape event every except exception exclude excluding exclusive exec execute exists exp explain expression extension external extract false family fetch file filter final first first_value flag float floor following for force foreign fortran forward found frame_row free freeze fs full function functions fusion g general generated get global go goto grant granted greatest grouping groups handler header hex hierarchy hold hour id identity if ignore ilike immediate immediately immutable implementation implicit import including increment indent index indexes indicator inherit inherits initially inline inner inout input insensitive instance instantiable instead integrity intersect intersection invoker isnull isolation k key key_member key_type label lag language large last last_value lateral lead leading leakproof least left length level library like_regex link listen ln load local localtime localtimestamp location locator lock locked logged lower m map mapping match matched materialized max maxvalue max_cardinality member merge message_length message_octet_length message_text method min minute minvalue mod mode modifies module month more move multiset mumps name names namespace national natural nchar nclob nesting new next nfc nfd nfkc nfkd nil no none normalize normalized nothing notify notnull nowait nth_value ntile null nullable nullif nulls number object occurrences_regex octets octet_length of off offset oids old only open operator option options ordering ordinality others out outer output over overlaps overlay overriding owned owner p pad parameter parameter_mode parameter_name parameter_ordinal_position parameter_specific_catalog parameter_specific_name parameter_specific_schema parser partial partition pascal passing passthrough password percent percentile_cont percentile_disc percent_rank period permission placing plans pli policy portion position position_regex power precedes preceding prepare prepared preserve primary prior privileges procedural procedure program public quote range rank read reads reassign recheck recovery recursive ref references referencing refresh regr_avgx regr_avgy regr_count regr_intercept regr_r2 regr_slope regr_sxx regr_sxy regr_syy reindex relative release rename repeatable replace replica requiring reset respect restart restore restrict result return returned_cardinality returned_length returned_octet_length returned_sqlstate returning returns revoke right role rollback rollup routine routine_catalog routine_name routine_schema row rows row_count row_number rule savepoint scale schema schema_name scope scope_catalog scope_name scope_schema scroll search second section security selective self sensitive sequence sequences serializable server server_name session session_user setof sets share show similar simple size skip snapshot some source space specific specifictype specific_name sql sqlcode sqlerror sqlexception sqlstate sqlwarning sqrt stable standalone start state statement static statistics stddev_pop stddev_samp stdin stdout storage strict strip structure style subclass_origin submultiset substring substring_regex succeeds sum symmetric sysid system system_time system_user t tables tablesample tablespace table_name temp template temporary then ties timezone_hour timezone_minute to token top_level_count trailing transaction transactions_committed transactions_rolled_back transaction_active transform transforms translate translate_regex translation treat trigger trigger_catalog trigger_name trigger_schema trim trim_array true truncate trusted type types uescape unbounded uncommitted under unencrypted unique unknown unlink unlisten unlogged unnamed unnest until untyped upper uri usage user user_defined_type_catalog user_defined_type_code user_defined_type_name user_defined_type_schema using vacuum valid validate validator value value_of varbinary variadic var_pop var_samp verbose version versioning view views volatile when whenever whitespace width_bucket window within work wrapper write xmlagg xmlattributes xmlbinary xmlcast xmlcomment xmlconcat xmldeclaration xmldocument xmlelement xmlexists xmlforest xmliterate xmlnamespaces xmlparse xmlpi xmlquery xmlroot xmlschema xmlserialize xmltable xmltext xmlvalidate year yes loop repeat"), + // http://www.postgresql.org/docs/9.5/static/datatype.html + builtin: set("bigint int8 bigserial serial8 bit varying varbit boolean bool box bytea character char varchar cidr circle date double precision float8 inet integer int int4 interval json jsonb line lseg macaddr money numeric decimal path pg_lsn point polygon real float4 smallint int2 smallserial serial2 serial serial4 text time without zone with timetz timestamp timestamptz tsquery tsvector txid_snapshot uuid xml"), + atoms: set("false true null unknown"), + operatorChars: /^[*+\-%<>!=&|^\/#@?~]/, + dateSQL: set("date time timestamp"), + support: set("ODBCdotTable decimallessFloat zerolessFloat binaryNumber hexNumber nCharCast charsetCast") + }); + + // Google's SQL-like query language, GQL + CodeMirror.defineMIME("text/x-gql", { + name: "sql", + keywords: set("ancestor and asc by contains desc descendant distinct from group has in is limit offset on order select superset where"), + atoms: set("false true"), + builtin: set("blob datetime first key __key__ string integer double boolean null"), + operatorChars: /^[*+\-%<>!=]/ + }); }()); +}); + /* How Properties of Mime Types are used by SQL Mode ================================================= keywords: A list of keywords you want to be highlighted. - functions: - A list of function names you want to be highlighted. builtin: A list of builtin types you want to be highlighted (if you want types to be of class "builtin" instead of "keyword"). operatorChars: diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/sublime.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sublime.js new file mode 100644 index 000000000..c5d2906bc --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/sublime.js @@ -0,0 +1,588 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +// A rough approximation of Sublime Text's keybindings +// Depends on addon/search/searchcursor.js and optionally addon/dialog/dialogs.js + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../lib/codemirror"), require("../addon/search/searchcursor"), require("../addon/edit/matchbrackets")); + else if (typeof define == "function" && define.amd) // AMD + define(["../lib/codemirror", "../addon/search/searchcursor", "../addon/edit/matchbrackets"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + var map = CodeMirror.keyMap.sublime = {fallthrough: "default"}; + var cmds = CodeMirror.commands; + var Pos = CodeMirror.Pos; + var mac = CodeMirror.keyMap["default"] == CodeMirror.keyMap.macDefault; + var ctrl = mac ? "Cmd-" : "Ctrl-"; + + // This is not exactly Sublime's algorithm. I couldn't make heads or tails of that. + function findPosSubword(doc, start, dir) { + if (dir < 0 && start.ch == 0) return doc.clipPos(Pos(start.line - 1)); + var line = doc.getLine(start.line); + if (dir > 0 && start.ch >= line.length) return doc.clipPos(Pos(start.line + 1, 0)); + var state = "start", type; + for (var pos = start.ch, e = dir < 0 ? 0 : line.length, i = 0; pos != e; pos += dir, i++) { + var next = line.charAt(dir < 0 ? pos - 1 : pos); + var cat = next != "_" && CodeMirror.isWordChar(next) ? "w" : "o"; + if (cat == "w" && next.toUpperCase() == next) cat = "W"; + if (state == "start") { + if (cat != "o") { state = "in"; type = cat; } + } else if (state == "in") { + if (type != cat) { + if (type == "w" && cat == "W" && dir < 0) pos--; + if (type == "W" && cat == "w" && dir > 0) { type = "w"; continue; } + break; + } + } + } + return Pos(start.line, pos); + } + + function moveSubword(cm, dir) { + cm.extendSelectionsBy(function(range) { + if (cm.display.shift || cm.doc.extend || range.empty()) + return findPosSubword(cm.doc, range.head, dir); + else + return dir < 0 ? range.from() : range.to(); + }); + } + + var goSubwordCombo = mac ? "Ctrl-" : "Alt-"; + + cmds[map[goSubwordCombo + "Left"] = "goSubwordLeft"] = function(cm) { moveSubword(cm, -1); }; + cmds[map[goSubwordCombo + "Right"] = "goSubwordRight"] = function(cm) { moveSubword(cm, 1); }; + + if (mac) map["Cmd-Left"] = "goLineStartSmart"; + + var scrollLineCombo = mac ? "Ctrl-Alt-" : "Ctrl-"; + + cmds[map[scrollLineCombo + "Up"] = "scrollLineUp"] = function(cm) { + var info = cm.getScrollInfo(); + if (!cm.somethingSelected()) { + var visibleBottomLine = cm.lineAtHeight(info.top + info.clientHeight, "local"); + if (cm.getCursor().line >= visibleBottomLine) + cm.execCommand("goLineUp"); + } + cm.scrollTo(null, info.top - cm.defaultTextHeight()); + }; + cmds[map[scrollLineCombo + "Down"] = "scrollLineDown"] = function(cm) { + var info = cm.getScrollInfo(); + if (!cm.somethingSelected()) { + var visibleTopLine = cm.lineAtHeight(info.top, "local")+1; + if (cm.getCursor().line <= visibleTopLine) + cm.execCommand("goLineDown"); + } + cm.scrollTo(null, info.top + cm.defaultTextHeight()); + }; + + cmds[map["Shift-" + ctrl + "L"] = "splitSelectionByLine"] = function(cm) { + var ranges = cm.listSelections(), lineRanges = []; + for (var i = 0; i < ranges.length; i++) { + var from = ranges[i].from(), to = ranges[i].to(); + for (var line = from.line; line <= to.line; ++line) + if (!(to.line > from.line && line == to.line && to.ch == 0)) + lineRanges.push({anchor: line == from.line ? from : Pos(line, 0), + head: line == to.line ? to : Pos(line)}); + } + cm.setSelections(lineRanges, 0); + }; + + map["Shift-Tab"] = "indentLess"; + + cmds[map["Esc"] = "singleSelectionTop"] = function(cm) { + var range = cm.listSelections()[0]; + cm.setSelection(range.anchor, range.head, {scroll: false}); + }; + + cmds[map[ctrl + "L"] = "selectLine"] = function(cm) { + var ranges = cm.listSelections(), extended = []; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + extended.push({anchor: Pos(range.from().line, 0), + head: Pos(range.to().line + 1, 0)}); + } + cm.setSelections(extended); + }; + + map["Shift-Ctrl-K"] = "deleteLine"; + + function insertLine(cm, above) { + if (cm.isReadOnly()) return CodeMirror.Pass + cm.operation(function() { + var len = cm.listSelections().length, newSelection = [], last = -1; + for (var i = 0; i < len; i++) { + var head = cm.listSelections()[i].head; + if (head.line <= last) continue; + var at = Pos(head.line + (above ? 0 : 1), 0); + cm.replaceRange("\n", at, null, "+insertLine"); + cm.indentLine(at.line, null, true); + newSelection.push({head: at, anchor: at}); + last = head.line + 1; + } + cm.setSelections(newSelection); + }); + cm.execCommand("indentAuto"); + } + + cmds[map[ctrl + "Enter"] = "insertLineAfter"] = function(cm) { return insertLine(cm, false); }; + + cmds[map["Shift-" + ctrl + "Enter"] = "insertLineBefore"] = function(cm) { return insertLine(cm, true); }; + + function wordAt(cm, pos) { + var start = pos.ch, end = start, line = cm.getLine(pos.line); + while (start && CodeMirror.isWordChar(line.charAt(start - 1))) --start; + while (end < line.length && CodeMirror.isWordChar(line.charAt(end))) ++end; + return {from: Pos(pos.line, start), to: Pos(pos.line, end), word: line.slice(start, end)}; + } + + cmds[map[ctrl + "D"] = "selectNextOccurrence"] = function(cm) { + var from = cm.getCursor("from"), to = cm.getCursor("to"); + var fullWord = cm.state.sublimeFindFullWord == cm.doc.sel; + if (CodeMirror.cmpPos(from, to) == 0) { + var word = wordAt(cm, from); + if (!word.word) return; + cm.setSelection(word.from, word.to); + fullWord = true; + } else { + var text = cm.getRange(from, to); + var query = fullWord ? new RegExp("\\b" + text + "\\b") : text; + var cur = cm.getSearchCursor(query, to); + if (cur.findNext()) { + cm.addSelection(cur.from(), cur.to()); + } else { + cur = cm.getSearchCursor(query, Pos(cm.firstLine(), 0)); + if (cur.findNext()) + cm.addSelection(cur.from(), cur.to()); + } + } + if (fullWord) + cm.state.sublimeFindFullWord = cm.doc.sel; + }; + + var mirror = "(){}[]"; + function selectBetweenBrackets(cm) { + var ranges = cm.listSelections(), newRanges = [] + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i], pos = range.head, opening = cm.scanForBracket(pos, -1); + if (!opening) return false; + for (;;) { + var closing = cm.scanForBracket(pos, 1); + if (!closing) return false; + if (closing.ch == mirror.charAt(mirror.indexOf(opening.ch) + 1)) { + newRanges.push({anchor: Pos(opening.pos.line, opening.pos.ch + 1), + head: closing.pos}); + break; + } + pos = Pos(closing.pos.line, closing.pos.ch + 1); + } + } + cm.setSelections(newRanges); + return true; + } + + cmds[map["Shift-" + ctrl + "Space"] = "selectScope"] = function(cm) { + selectBetweenBrackets(cm) || cm.execCommand("selectAll"); + }; + cmds[map["Shift-" + ctrl + "M"] = "selectBetweenBrackets"] = function(cm) { + if (!selectBetweenBrackets(cm)) return CodeMirror.Pass; + }; + + cmds[map[ctrl + "M"] = "goToBracket"] = function(cm) { + cm.extendSelectionsBy(function(range) { + var next = cm.scanForBracket(range.head, 1); + if (next && CodeMirror.cmpPos(next.pos, range.head) != 0) return next.pos; + var prev = cm.scanForBracket(range.head, -1); + return prev && Pos(prev.pos.line, prev.pos.ch + 1) || range.head; + }); + }; + + var swapLineCombo = mac ? "Cmd-Ctrl-" : "Shift-Ctrl-"; + + cmds[map[swapLineCombo + "Up"] = "swapLineUp"] = function(cm) { + if (cm.isReadOnly()) return CodeMirror.Pass + var ranges = cm.listSelections(), linesToMove = [], at = cm.firstLine() - 1, newSels = []; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i], from = range.from().line - 1, to = range.to().line; + newSels.push({anchor: Pos(range.anchor.line - 1, range.anchor.ch), + head: Pos(range.head.line - 1, range.head.ch)}); + if (range.to().ch == 0 && !range.empty()) --to; + if (from > at) linesToMove.push(from, to); + else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to; + at = to; + } + cm.operation(function() { + for (var i = 0; i < linesToMove.length; i += 2) { + var from = linesToMove[i], to = linesToMove[i + 1]; + var line = cm.getLine(from); + cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine"); + if (to > cm.lastLine()) + cm.replaceRange("\n" + line, Pos(cm.lastLine()), null, "+swapLine"); + else + cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine"); + } + cm.setSelections(newSels); + cm.scrollIntoView(); + }); + }; + + cmds[map[swapLineCombo + "Down"] = "swapLineDown"] = function(cm) { + if (cm.isReadOnly()) return CodeMirror.Pass + var ranges = cm.listSelections(), linesToMove = [], at = cm.lastLine() + 1; + for (var i = ranges.length - 1; i >= 0; i--) { + var range = ranges[i], from = range.to().line + 1, to = range.from().line; + if (range.to().ch == 0 && !range.empty()) from--; + if (from < at) linesToMove.push(from, to); + else if (linesToMove.length) linesToMove[linesToMove.length - 1] = to; + at = to; + } + cm.operation(function() { + for (var i = linesToMove.length - 2; i >= 0; i -= 2) { + var from = linesToMove[i], to = linesToMove[i + 1]; + var line = cm.getLine(from); + if (from == cm.lastLine()) + cm.replaceRange("", Pos(from - 1), Pos(from), "+swapLine"); + else + cm.replaceRange("", Pos(from, 0), Pos(from + 1, 0), "+swapLine"); + cm.replaceRange(line + "\n", Pos(to, 0), null, "+swapLine"); + } + cm.scrollIntoView(); + }); + }; + + cmds[map[ctrl + "/"] = "toggleCommentIndented"] = function(cm) { + cm.toggleComment({ indent: true }); + } + + cmds[map[ctrl + "J"] = "joinLines"] = function(cm) { + var ranges = cm.listSelections(), joined = []; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i], from = range.from(); + var start = from.line, end = range.to().line; + while (i < ranges.length - 1 && ranges[i + 1].from().line == end) + end = ranges[++i].to().line; + joined.push({start: start, end: end, anchor: !range.empty() && from}); + } + cm.operation(function() { + var offset = 0, ranges = []; + for (var i = 0; i < joined.length; i++) { + var obj = joined[i]; + var anchor = obj.anchor && Pos(obj.anchor.line - offset, obj.anchor.ch), head; + for (var line = obj.start; line <= obj.end; line++) { + var actual = line - offset; + if (line == obj.end) head = Pos(actual, cm.getLine(actual).length + 1); + if (actual < cm.lastLine()) { + cm.replaceRange(" ", Pos(actual), Pos(actual + 1, /^\s*/.exec(cm.getLine(actual + 1))[0].length)); + ++offset; + } + } + ranges.push({anchor: anchor || head, head: head}); + } + cm.setSelections(ranges, 0); + }); + }; + + cmds[map["Shift-" + ctrl + "D"] = "duplicateLine"] = function(cm) { + cm.operation(function() { + var rangeCount = cm.listSelections().length; + for (var i = 0; i < rangeCount; i++) { + var range = cm.listSelections()[i]; + if (range.empty()) + cm.replaceRange(cm.getLine(range.head.line) + "\n", Pos(range.head.line, 0)); + else + cm.replaceRange(cm.getRange(range.from(), range.to()), range.from()); + } + cm.scrollIntoView(); + }); + }; + + if (!mac) map[ctrl + "T"] = "transposeChars"; + + function sortLines(cm, caseSensitive) { + if (cm.isReadOnly()) return CodeMirror.Pass + var ranges = cm.listSelections(), toSort = [], selected; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (range.empty()) continue; + var from = range.from().line, to = range.to().line; + while (i < ranges.length - 1 && ranges[i + 1].from().line == to) + to = range[++i].to().line; + toSort.push(from, to); + } + if (toSort.length) selected = true; + else toSort.push(cm.firstLine(), cm.lastLine()); + + cm.operation(function() { + var ranges = []; + for (var i = 0; i < toSort.length; i += 2) { + var from = toSort[i], to = toSort[i + 1]; + var start = Pos(from, 0), end = Pos(to); + var lines = cm.getRange(start, end, false); + if (caseSensitive) + lines.sort(); + else + lines.sort(function(a, b) { + var au = a.toUpperCase(), bu = b.toUpperCase(); + if (au != bu) { a = au; b = bu; } + return a < b ? -1 : a == b ? 0 : 1; + }); + cm.replaceRange(lines, start, end); + if (selected) ranges.push({anchor: start, head: end}); + } + if (selected) cm.setSelections(ranges, 0); + }); + } + + cmds[map["F9"] = "sortLines"] = function(cm) { sortLines(cm, true); }; + cmds[map[ctrl + "F9"] = "sortLinesInsensitive"] = function(cm) { sortLines(cm, false); }; + + cmds[map["F2"] = "nextBookmark"] = function(cm) { + var marks = cm.state.sublimeBookmarks; + if (marks) while (marks.length) { + var current = marks.shift(); + var found = current.find(); + if (found) { + marks.push(current); + return cm.setSelection(found.from, found.to); + } + } + }; + + cmds[map["Shift-F2"] = "prevBookmark"] = function(cm) { + var marks = cm.state.sublimeBookmarks; + if (marks) while (marks.length) { + marks.unshift(marks.pop()); + var found = marks[marks.length - 1].find(); + if (!found) + marks.pop(); + else + return cm.setSelection(found.from, found.to); + } + }; + + cmds[map[ctrl + "F2"] = "toggleBookmark"] = function(cm) { + var ranges = cm.listSelections(); + var marks = cm.state.sublimeBookmarks || (cm.state.sublimeBookmarks = []); + for (var i = 0; i < ranges.length; i++) { + var from = ranges[i].from(), to = ranges[i].to(); + var found = cm.findMarks(from, to); + for (var j = 0; j < found.length; j++) { + if (found[j].sublimeBookmark) { + found[j].clear(); + for (var k = 0; k < marks.length; k++) + if (marks[k] == found[j]) + marks.splice(k--, 1); + break; + } + } + if (j == found.length) + marks.push(cm.markText(from, to, {sublimeBookmark: true, clearWhenEmpty: false})); + } + }; + + cmds[map["Shift-" + ctrl + "F2"] = "clearBookmarks"] = function(cm) { + var marks = cm.state.sublimeBookmarks; + if (marks) for (var i = 0; i < marks.length; i++) marks[i].clear(); + marks.length = 0; + }; + + cmds[map["Alt-F2"] = "selectBookmarks"] = function(cm) { + var marks = cm.state.sublimeBookmarks, ranges = []; + if (marks) for (var i = 0; i < marks.length; i++) { + var found = marks[i].find(); + if (!found) + marks.splice(i--, 0); + else + ranges.push({anchor: found.from, head: found.to}); + } + if (ranges.length) + cm.setSelections(ranges, 0); + }; + + map["Alt-Q"] = "wrapLines"; + + var cK = ctrl + "K "; + + function modifyWordOrSelection(cm, mod) { + cm.operation(function() { + var ranges = cm.listSelections(), indices = [], replacements = []; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (range.empty()) { indices.push(i); replacements.push(""); } + else replacements.push(mod(cm.getRange(range.from(), range.to()))); + } + cm.replaceSelections(replacements, "around", "case"); + for (var i = indices.length - 1, at; i >= 0; i--) { + var range = ranges[indices[i]]; + if (at && CodeMirror.cmpPos(range.head, at) > 0) continue; + var word = wordAt(cm, range.head); + at = word.from; + cm.replaceRange(mod(word.word), word.from, word.to); + } + }); + } + + map[cK + ctrl + "Backspace"] = "delLineLeft"; + + cmds[map["Backspace"] = "smartBackspace"] = function(cm) { + if (cm.somethingSelected()) return CodeMirror.Pass; + + cm.operation(function() { + var cursors = cm.listSelections(); + var indentUnit = cm.getOption("indentUnit"); + + for (var i = cursors.length - 1; i >= 0; i--) { + var cursor = cursors[i].head; + var toStartOfLine = cm.getRange({line: cursor.line, ch: 0}, cursor); + var column = CodeMirror.countColumn(toStartOfLine, null, cm.getOption("tabSize")); + + // Delete by one character by default + var deletePos = cm.findPosH(cursor, -1, "char", false); + + if (toStartOfLine && !/\S/.test(toStartOfLine) && column % indentUnit == 0) { + var prevIndent = new Pos(cursor.line, + CodeMirror.findColumn(toStartOfLine, column - indentUnit, indentUnit)); + + // Smart delete only if we found a valid prevIndent location + if (prevIndent.ch != cursor.ch) deletePos = prevIndent; + } + + cm.replaceRange("", deletePos, cursor, "+delete"); + } + }); + }; + + cmds[map[cK + ctrl + "K"] = "delLineRight"] = function(cm) { + cm.operation(function() { + var ranges = cm.listSelections(); + for (var i = ranges.length - 1; i >= 0; i--) + cm.replaceRange("", ranges[i].anchor, Pos(ranges[i].to().line), "+delete"); + cm.scrollIntoView(); + }); + }; + + cmds[map[cK + ctrl + "U"] = "upcaseAtCursor"] = function(cm) { + modifyWordOrSelection(cm, function(str) { return str.toUpperCase(); }); + }; + cmds[map[cK + ctrl + "L"] = "downcaseAtCursor"] = function(cm) { + modifyWordOrSelection(cm, function(str) { return str.toLowerCase(); }); + }; + + cmds[map[cK + ctrl + "Space"] = "setSublimeMark"] = function(cm) { + if (cm.state.sublimeMark) cm.state.sublimeMark.clear(); + cm.state.sublimeMark = cm.setBookmark(cm.getCursor()); + }; + cmds[map[cK + ctrl + "A"] = "selectToSublimeMark"] = function(cm) { + var found = cm.state.sublimeMark && cm.state.sublimeMark.find(); + if (found) cm.setSelection(cm.getCursor(), found); + }; + cmds[map[cK + ctrl + "W"] = "deleteToSublimeMark"] = function(cm) { + var found = cm.state.sublimeMark && cm.state.sublimeMark.find(); + if (found) { + var from = cm.getCursor(), to = found; + if (CodeMirror.cmpPos(from, to) > 0) { var tmp = to; to = from; from = tmp; } + cm.state.sublimeKilled = cm.getRange(from, to); + cm.replaceRange("", from, to); + } + }; + cmds[map[cK + ctrl + "X"] = "swapWithSublimeMark"] = function(cm) { + var found = cm.state.sublimeMark && cm.state.sublimeMark.find(); + if (found) { + cm.state.sublimeMark.clear(); + cm.state.sublimeMark = cm.setBookmark(cm.getCursor()); + cm.setCursor(found); + } + }; + cmds[map[cK + ctrl + "Y"] = "sublimeYank"] = function(cm) { + if (cm.state.sublimeKilled != null) + cm.replaceSelection(cm.state.sublimeKilled, null, "paste"); + }; + + map[cK + ctrl + "G"] = "clearBookmarks"; + cmds[map[cK + ctrl + "C"] = "showInCenter"] = function(cm) { + var pos = cm.cursorCoords(null, "local"); + cm.scrollTo(null, (pos.top + pos.bottom) / 2 - cm.getScrollInfo().clientHeight / 2); + }; + + var selectLinesCombo = mac ? "Ctrl-Shift-" : "Ctrl-Alt-"; + cmds[map[selectLinesCombo + "Up"] = "selectLinesUpward"] = function(cm) { + cm.operation(function() { + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (range.head.line > cm.firstLine()) + cm.addSelection(Pos(range.head.line - 1, range.head.ch)); + } + }); + }; + cmds[map[selectLinesCombo + "Down"] = "selectLinesDownward"] = function(cm) { + cm.operation(function() { + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (range.head.line < cm.lastLine()) + cm.addSelection(Pos(range.head.line + 1, range.head.ch)); + } + }); + }; + + function getTarget(cm) { + var from = cm.getCursor("from"), to = cm.getCursor("to"); + if (CodeMirror.cmpPos(from, to) == 0) { + var word = wordAt(cm, from); + if (!word.word) return; + from = word.from; + to = word.to; + } + return {from: from, to: to, query: cm.getRange(from, to), word: word}; + } + + function findAndGoTo(cm, forward) { + var target = getTarget(cm); + if (!target) return; + var query = target.query; + var cur = cm.getSearchCursor(query, forward ? target.to : target.from); + + if (forward ? cur.findNext() : cur.findPrevious()) { + cm.setSelection(cur.from(), cur.to()); + } else { + cur = cm.getSearchCursor(query, forward ? Pos(cm.firstLine(), 0) + : cm.clipPos(Pos(cm.lastLine()))); + if (forward ? cur.findNext() : cur.findPrevious()) + cm.setSelection(cur.from(), cur.to()); + else if (target.word) + cm.setSelection(target.from, target.to); + } + }; + cmds[map[ctrl + "F3"] = "findUnder"] = function(cm) { findAndGoTo(cm, true); }; + cmds[map["Shift-" + ctrl + "F3"] = "findUnderPrevious"] = function(cm) { findAndGoTo(cm,false); }; + cmds[map["Alt-F3"] = "findAllUnder"] = function(cm) { + var target = getTarget(cm); + if (!target) return; + var cur = cm.getSearchCursor(target.query); + var matches = []; + var primaryIndex = -1; + while (cur.findNext()) { + matches.push({anchor: cur.from(), head: cur.to()}); + if (cur.from().line <= target.from.line && cur.from().ch <= target.from.ch) + primaryIndex++; + } + cm.setSelections(matches, primaryIndex); + }; + + map["Shift-" + ctrl + "["] = "fold"; + map["Shift-" + ctrl + "]"] = "unfold"; + map[cK + ctrl + "0"] = map[cK + ctrl + "J"] = "unfoldAll"; + + map[ctrl + "I"] = "findIncremental"; + map["Shift-" + ctrl + "I"] = "findIncrementalReverse"; + map[ctrl + "H"] = "replace"; + map["F3"] = "findNext"; + map["Shift-F3"] = "findPrev"; + + CodeMirror.normalizeKeyMap(map); +}); diff --git a/Source/WebInspectorUI/UserInterface/External/CodeMirror/xml.js b/Source/WebInspectorUI/UserInterface/External/CodeMirror/xml.js index 4f49e07fa..f987a3a3c 100644 --- a/Source/WebInspectorUI/UserInterface/External/CodeMirror/xml.js +++ b/Source/WebInspectorUI/UserInterface/External/CodeMirror/xml.js @@ -1,51 +1,69 @@ -CodeMirror.defineMode("xml", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var multilineTagIndentFactor = parserConfig.multilineTagIndentFactor || 1; - var multilineTagIndentPastTag = parserConfig.multilineTagIndentPastTag || true; +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE - var Kludges = parserConfig.htmlMode ? { - autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, - 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, - 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, - 'track': true, 'wbr': true}, - implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, - 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, - 'th': true, 'tr': true}, - contextGrabbers: { - 'dd': {'dd': true, 'dt': true}, - 'dt': {'dd': true, 'dt': true}, - 'li': {'li': true}, - 'option': {'option': true, 'optgroup': true}, - 'optgroup': {'optgroup': true}, - 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, - 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, - 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, - 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, - 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, - 'rp': {'rp': true, 'rt': true}, - 'rt': {'rp': true, 'rt': true}, - 'tbody': {'tbody': true, 'tfoot': true}, - 'td': {'td': true, 'th': true}, - 'tfoot': {'tbody': true}, - 'th': {'td': true, 'th': true}, - 'thead': {'tbody': true, 'tfoot': true}, - 'tr': {'tr': true} - }, - doNotIndent: {"pre": true}, - allowUnquoted: true, - allowMissing: true - } : { - autoSelfClosers: {}, - implicitlyClosed: {}, - contextGrabbers: {}, - doNotIndent: {}, - allowUnquoted: false, - allowMissing: false - }; - var alignCDATA = parserConfig.alignCDATA; +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +var htmlConfig = { + autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, + 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, + 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, + 'track': true, 'wbr': true, 'menuitem': true}, + implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, + 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, + 'th': true, 'tr': true}, + contextGrabbers: { + 'dd': {'dd': true, 'dt': true}, + 'dt': {'dd': true, 'dt': true}, + 'li': {'li': true}, + 'option': {'option': true, 'optgroup': true}, + 'optgroup': {'optgroup': true}, + 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, + 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, + 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, + 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, + 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, + 'rp': {'rp': true, 'rt': true}, + 'rt': {'rp': true, 'rt': true}, + 'tbody': {'tbody': true, 'tfoot': true}, + 'td': {'td': true, 'th': true}, + 'tfoot': {'tbody': true}, + 'th': {'td': true, 'th': true}, + 'thead': {'tbody': true, 'tfoot': true}, + 'tr': {'tr': true} + }, + doNotIndent: {"pre": true}, + allowUnquoted: true, + allowMissing: true, + caseFold: true +} + +var xmlConfig = { + autoSelfClosers: {}, + implicitlyClosed: {}, + contextGrabbers: {}, + doNotIndent: {}, + allowUnquoted: false, + allowMissing: false, + caseFold: false +} + +CodeMirror.defineMode("xml", function(editorConf, config_) { + var indentUnit = editorConf.indentUnit + var config = {} + var defaults = config_.htmlMode ? htmlConfig : xmlConfig + for (var prop in defaults) config[prop] = defaults[prop] + for (var prop in config_) config[prop] = config_[prop] // Return variables for tokenizers - var tagName, type; + var type, setStyle; function inText(stream, state) { function chain(parser) { @@ -72,14 +90,9 @@ CodeMirror.defineMode("xml", function(config, parserConfig) { state.tokenize = inBlock("meta", "?>"); return "meta"; } else { - var isClose = stream.eat("/"); - tagName = ""; - var c; - while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; - if (!tagName) return "tag error"; - type = isClose ? "closeTag" : "openTag"; + type = stream.eat("/") ? "closeTag" : "openTag"; state.tokenize = inTag; - return "tag"; + return "tag bracket"; } } else if (ch == "&") { var ok; @@ -98,26 +111,29 @@ CodeMirror.defineMode("xml", function(config, parserConfig) { return null; } } + inText.isInText = true; function inTag(stream, state) { var ch = stream.next(); if (ch == ">" || (ch == "/" && stream.eat(">"))) { state.tokenize = inText; type = ch == ">" ? "endTag" : "selfcloseTag"; - return "tag"; + return "tag bracket"; } else if (ch == "=") { type = "equals"; return null; } else if (ch == "<") { state.tokenize = inText; + state.state = baseState; + state.tagName = state.tagStart = null; var next = state.tokenize(stream, state); - return next ? next + " error" : "error"; + return next ? next + " tag error" : "tag error"; } else if (/[\'\"]/.test(ch)) { state.tokenize = inAttribute(ch); state.stringStartCol = stream.column(); return state.tokenize(stream, state); } else { - stream.eatWhile(/[^\s\u00a0=<>\"\']/); + stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/); return "word"; } } @@ -169,139 +185,143 @@ CodeMirror.defineMode("xml", function(config, parserConfig) { }; } - var curState, curStream, setStyle; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; + function Context(state, tagName, startOfLine) { + this.prev = state.context; + this.tagName = tagName; + this.indent = state.indented; + this.startOfLine = startOfLine; + if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent)) + this.noIndent = true; } - - function pushContext(tagName, startOfLine) { - var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent); - curState.context = { - prev: curState.context, - tagName: tagName, - indent: curState.indented, - startOfLine: startOfLine, - noIndent: noIndent - }; + function popContext(state) { + if (state.context) state.context = state.context.prev; } - function popContext() { - if (curState.context) curState.context = curState.context.prev; + function maybePopContext(state, nextTagName) { + var parentTagName; + while (true) { + if (!state.context) { + return; + } + parentTagName = state.context.tagName; + if (!config.contextGrabbers.hasOwnProperty(parentTagName) || + !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { + return; + } + popContext(state); + } } - function element(type) { + function baseState(type, stream, state) { if (type == "openTag") { - curState.tagName = tagName; - curState.tagStart = curStream.column(); - return cont(attributes, endtag(curState.startOfLine)); + state.tagStart = stream.column(); + return tagNameState; } else if (type == "closeTag") { - var err = false; - if (curState.context) { - if (curState.context.tagName != tagName) { - if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) { - popContext(); - } - err = !curState.context || curState.context.tagName != tagName; - } - } else { - err = true; - } - if (err) setStyle = "error"; - return cont(endclosetag(err)); + return closeTagNameState; + } else { + return baseState; } - return cont(); - } - function endtag(startOfLine) { - return function(type) { - var tagName = curState.tagName; - curState.tagName = curState.tagStart = null; - if (type == "selfcloseTag" || - (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(tagName.toLowerCase()))) { - maybePopContext(tagName.toLowerCase()); - return cont(); - } - if (type == "endTag") { - maybePopContext(tagName.toLowerCase()); - pushContext(tagName, startOfLine); - return cont(); - } - return cont(); - }; } - function endclosetag(err) { - return function(type) { - if (err) setStyle = "error"; - if (type == "endTag") { popContext(); return cont(); } + function tagNameState(type, stream, state) { + if (type == "word") { + state.tagName = stream.current(); + setStyle = "tag"; + return attrState; + } else { setStyle = "error"; - return cont(arguments.callee); - }; + return tagNameState; + } } - function maybePopContext(nextTagName) { - var parentTagName; - while (true) { - if (!curState.context) { - return; - } - parentTagName = curState.context.tagName.toLowerCase(); - if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) || - !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { - return; + function closeTagNameState(type, stream, state) { + if (type == "word") { + var tagName = stream.current(); + if (state.context && state.context.tagName != tagName && + config.implicitlyClosed.hasOwnProperty(state.context.tagName)) + popContext(state); + if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) { + setStyle = "tag"; + return closeState; + } else { + setStyle = "tag error"; + return closeStateErr; } - popContext(); + } else { + setStyle = "error"; + return closeStateErr; + } + } + + function closeState(type, _stream, state) { + if (type != "endTag") { + setStyle = "error"; + return closeState; } + popContext(state); + return baseState; + } + function closeStateErr(type, stream, state) { + setStyle = "error"; + return closeState(type, stream, state); } - function attributes(type) { - if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);} - if (type == "endTag" || type == "selfcloseTag") return pass(); + function attrState(type, _stream, state) { + if (type == "word") { + setStyle = "attribute"; + return attrEqState; + } else if (type == "endTag" || type == "selfcloseTag") { + var tagName = state.tagName, tagStart = state.tagStart; + state.tagName = state.tagStart = null; + if (type == "selfcloseTag" || + config.autoSelfClosers.hasOwnProperty(tagName)) { + maybePopContext(state, tagName); + } else { + maybePopContext(state, tagName); + state.context = new Context(state, tagName, tagStart == state.indented); + } + return baseState; + } setStyle = "error"; - return cont(attributes); + return attrState; } - function attribute(type) { - if (type == "equals") return cont(attvalue, attributes); - if (!Kludges.allowMissing) setStyle = "error"; - else if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);} - return (type == "endTag" || type == "selfcloseTag") ? pass() : cont(); + function attrEqState(type, stream, state) { + if (type == "equals") return attrValueState; + if (!config.allowMissing) setStyle = "error"; + return attrState(type, stream, state); } - function attvalue(type) { - if (type == "string") return cont(attvaluemaybe); - if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();} + function attrValueState(type, stream, state) { + if (type == "string") return attrContinuedState; + if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;} setStyle = "error"; - return (type == "endTag" || type == "selfCloseTag") ? pass() : cont(); + return attrState(type, stream, state); } - function attvaluemaybe(type) { - if (type == "string") return cont(attvaluemaybe); - else return pass(); + function attrContinuedState(type, stream, state) { + if (type == "string") return attrContinuedState; + return attrState(type, stream, state); } return { - startState: function() { - return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, tagStart: null, context: null}; + startState: function(baseIndent) { + var state = {tokenize: inText, + state: baseState, + indented: baseIndent || 0, + tagName: null, tagStart: null, + context: null} + if (baseIndent != null) state.baseIndent = baseIndent + return state }, token: function(stream, state) { - if (!state.tagName && stream.sol()) { - state.startOfLine = true; + if (!state.tagName && stream.sol()) state.indented = stream.indentation(); - } - if (stream.eatSpace()) return null; - setStyle = type = tagName = null; + if (stream.eatSpace()) return null; + type = null; var style = state.tokenize(stream, state); - state.type = type; if ((style || type) && style != "comment") { - curState = state; curStream = stream; - while (true) { - var comb = state.cc.pop() || element; - if (comb(type || style)) break; - } + setStyle = null; + state.state = state.state(type || style, stream, state); + if (setStyle) + style = setStyle == "error" ? style + " error" : setStyle; } - state.startOfLine = false; - if (setStyle) - style = setStyle == "error" ? style + " error" : setStyle; return style; }, @@ -309,33 +329,60 @@ CodeMirror.defineMode("xml", function(config, parserConfig) { var context = state.context; // Indent multi-line strings (e.g. css). if (state.tokenize.isInAttribute) { - return state.stringStartCol + 1; + if (state.tagStart == state.indented) + return state.stringStartCol + 1; + else + return state.indented + indentUnit; } - if ((state.tokenize != inTag && state.tokenize != inText) || - context && context.noIndent) + if (context && context.noIndent) return CodeMirror.Pass; + if (state.tokenize != inTag && state.tokenize != inText) return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; // Indent the starts of attribute names. if (state.tagName) { - if (multilineTagIndentPastTag) + if (config.multilineTagIndentPastTag !== false) return state.tagStart + state.tagName.length + 2; else - return state.tagStart + indentUnit * multilineTagIndentFactor; + return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1); } - if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0; - if (context && /^<\//.test(textAfter)) - context = context.prev; - while (context && !context.startOfLine) + if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0; + var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter); + if (tagAfter && tagAfter[1]) { // Closing tag spotted + while (context) { + if (context.tagName == tagAfter[2]) { + context = context.prev; + break; + } else if (config.implicitlyClosed.hasOwnProperty(context.tagName)) { + context = context.prev; + } else { + break; + } + } + } else if (tagAfter) { // Opening tag spotted + while (context) { + var grabbers = config.contextGrabbers[context.tagName]; + if (grabbers && grabbers.hasOwnProperty(tagAfter[2])) + context = context.prev; + else + break; + } + } + while (context && context.prev && !context.startOfLine) context = context.prev; if (context) return context.indent + indentUnit; - else return 0; + else return state.baseIndent || 0; }, - electricChars: "/", + electricInput: /<\/[\s\w:]+>$/, blockCommentStart: "<!--", blockCommentEnd: "-->", - configuration: parserConfig.htmlMode ? "html" : "xml", - helperType: parserConfig.htmlMode ? "html" : "xml" + configuration: config.htmlMode ? "html" : "xml", + helperType: config.htmlMode ? "html" : "xml", + + skipAttribute: function(state) { + if (state.state == attrValueState) + state.state = attrState + } }; }); @@ -343,3 +390,5 @@ CodeMirror.defineMIME("text/xml", "xml"); CodeMirror.defineMIME("application/xml", "xml"); if (!CodeMirror.mimeModes.hasOwnProperty("text/html")) CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true}); + +}); diff --git a/Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE b/Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE new file mode 100644 index 000000000..d5f046fdc --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca> + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the 'Software'), to deal +in the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js b/Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js new file mode 100644 index 000000000..3b123a2f4 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js @@ -0,0 +1,18223 @@ +!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.eslint=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return 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the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +function EventEmitter() { + this._events = this._events || {}; + this._maxListeners = this._maxListeners || undefined; +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +EventEmitter.defaultMaxListeners = 10; + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function(n) { + if (!isNumber(n) || n < 0 || isNaN(n)) + throw TypeError('n must be a positive number'); + this._maxListeners = n; + return this; +}; + +EventEmitter.prototype.emit = function(type) { + var er, handler, len, args, i, listeners; + + if (!this._events) + this._events = {}; + + // If there is no 'error' event listener then throw. + if (type === 'error') { + if (!this._events.error || + (isObject(this._events.error) && !this._events.error.length)) { + er = arguments[1]; + if (er instanceof Error) { + throw er; // Unhandled 'error' event + } + throw TypeError('Uncaught, unspecified "error" event.'); + } + } + + handler = this._events[type]; + + if (isUndefined(handler)) + return false; + + if (isFunction(handler)) { + switch (arguments.length) { + // fast cases + case 1: + handler.call(this); + break; + case 2: + handler.call(this, arguments[1]); + break; + case 3: + handler.call(this, arguments[1], arguments[2]); + break; + // slower + default: + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + handler.apply(this, args); + } + } else if (isObject(handler)) { + len = arguments.length; + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + + listeners = handler.slice(); + len = listeners.length; + for (i = 0; i < len; i++) + listeners[i].apply(this, args); + } + + return true; +}; + +EventEmitter.prototype.addListener = function(type, listener) { + var m; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events) + this._events = {}; + + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (this._events.newListener) + this.emit('newListener', type, + isFunction(listener.listener) ? + listener.listener : listener); + + if (!this._events[type]) + // Optimize the case of one listener. Don't need the extra array object. + this._events[type] = listener; + else if (isObject(this._events[type])) + // If we've already got an array, just append. + this._events[type].push(listener); + else + // Adding the second element, need to change to array. + this._events[type] = [this._events[type], listener]; + + // Check for listener leak + if (isObject(this._events[type]) && !this._events[type].warned) { + var m; + if (!isUndefined(this._maxListeners)) { + m = this._maxListeners; + } else { + m = EventEmitter.defaultMaxListeners; + } + + if (m && m > 0 && this._events[type].length > m) { + this._events[type].warned = true; + console.error('(node) warning: possible EventEmitter memory ' + + 'leak detected. %d listeners added. ' + + 'Use emitter.setMaxListeners() to increase limit.', + this._events[type].length); + if (typeof console.trace === 'function') { + // not supported in IE 10 + console.trace(); + } + } + } + + return this; +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.once = function(type, listener) { + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + var fired = false; + + function g() { + this.removeListener(type, g); + + if (!fired) { + fired = true; + listener.apply(this, arguments); + } + } + + g.listener = listener; + this.on(type, g); + + return this; +}; + +// emits a 'removeListener' event iff the listener was removed +EventEmitter.prototype.removeListener = function(type, listener) { + var list, position, length, i; + + if (!isFunction(listener)) + throw TypeError('listener must be a function'); + + if (!this._events || !this._events[type]) + return this; + + list = this._events[type]; + length = list.length; + position = -1; + + if (list === listener || + (isFunction(list.listener) && list.listener === listener)) { + delete this._events[type]; + if (this._events.removeListener) + this.emit('removeListener', type, listener); + + } else if (isObject(list)) { + for (i = length; i-- > 0;) { + if (list[i] === listener || + (list[i].listener && list[i].listener === listener)) { + position = i; + break; + } + } + + if (position < 0) + return this; + + if (list.length === 1) { + list.length = 0; + delete this._events[type]; + } else { + list.splice(position, 1); + } + + if (this._events.removeListener) + this.emit('removeListener', type, listener); + } + + return this; +}; + +EventEmitter.prototype.removeAllListeners = function(type) { + var key, listeners; + + if (!this._events) + return this; + + // not listening for removeListener, no need to emit + if (!this._events.removeListener) { + if (arguments.length === 0) + this._events = {}; + else if (this._events[type]) + delete this._events[type]; + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + for (key in this._events) { + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = {}; + return this; + } + + listeners = this._events[type]; + + if (isFunction(listeners)) { + this.removeListener(type, listeners); + } else { + // LIFO order + while (listeners.length) + this.removeListener(type, listeners[listeners.length - 1]); + } + delete this._events[type]; + + return this; +}; + +EventEmitter.prototype.listeners = function(type) { + var ret; + if (!this._events || !this._events[type]) + ret = []; + else if (isFunction(this._events[type])) + ret = [this._events[type]]; + else + ret = this._events[type].slice(); + return ret; +}; + +EventEmitter.listenerCount = function(emitter, type) { + var ret; + if (!emitter._events || !emitter._events[type]) + ret = 0; + else if (isFunction(emitter._events[type])) + ret = 1; + else + ret = emitter._events[type].length; + return ret; +}; + +function isFunction(arg) { + return typeof arg === 'function'; +} + +function isNumber(arg) { + return typeof arg === 'number'; +} + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} + +function isUndefined(arg) { + return arg === void 0; +} + +},{}],4:[function(require,module,exports){ +/* + Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com> + Copyright (C) 2014 Dan Tao <daniel.tao@gmail.com> + Copyright (C) 2013 Andrew Eisenberg <andrew@eisenberg.as> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/*jslint bitwise:true plusplus:true eqeq:true nomen:true*/ +/*global doctrine:true, exports:true, parseTypeExpression:true, parseTop:true*/ + +(function (exports) { + 'use strict'; + + var VERSION, + Regex, + CanAccessStringByIndex, + typed, + jsdoc, + isArray, + hasOwnProperty; + + // Sync with package.json. + VERSION = '0.5.2-dev'; + + // See also tools/generate-unicode-regex.py. + Regex = { + NonAsciiIdentifierStart: new 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+ NonAsciiIdentifierPart: new 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\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]') + }; + + CanAccessStringByIndex = typeof 'doctrine'[0] !== undefined; + + function sliceSource(source, index, last) { + var output; + if (!CanAccessStringByIndex) { + output = source.slice(index, last).join(''); + } else { + output = source.slice(index, last); + } + return output; + } + + isArray = Array.isArray; + if (!isArray) { + isArray = function isArray(ary) { + return Object.prototype.toString.call(ary) === '[object Array]'; + }; + } + + hasOwnProperty = (function () { + var func = Object.prototype.hasOwnProperty; + return function hasOwnProperty(obj, name) { + return func.call(obj, name); + }; + }()); + + function shallowCopy(obj) { + var ret = {}, key; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + ret[key] = obj[key]; + } + } + return ret; + } + + function isLineTerminator(ch) { + return ch === '\n' || ch === '\r' || ch === '\u2028' || ch === '\u2029'; + } + + function isWhiteSpace(ch) { + return (ch === ' ') || (ch === '\u0009') || (ch === '\u000B') || + (ch === '\u000C') || (ch === '\u00A0') || + (ch.charCodeAt(0) >= 0x1680 && + '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(ch) >= 0); + } + + function isDecimalDigit(ch) { + return '0123456789'.indexOf(ch) >= 0; + } + + function isHexDigit(ch) { + return '0123456789abcdefABCDEF'.indexOf(ch) >= 0; + } + + function isOctalDigit(ch) { + return '01234567'.indexOf(ch) >= 0; + } + + function isASCIIAlphanumeric(ch) { + return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9'); + } + + function isIdentifierStart(ch) { + return (ch === '$') || (ch === '_') || (ch === '\\') || + (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || + ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierStart.test(ch)); + } + + function isIdentifierPart(ch) { + return (ch === '$') || (ch === '_') || (ch === '\\') || + (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || + ((ch >= '0') && (ch <= '9')) || + ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierPart.test(ch)); + } + + function isTypeName(ch) { + return '><(){}[],:*|?!='.indexOf(ch) === -1 && !isWhiteSpace(ch) && !isLineTerminator(ch); + } + + function isParamTitle(title) { + return title === 'param' || title === 'argument' || title === 'arg'; + } + + function isProperty(title) { + return title === 'property' || title === 'prop'; + } + + function isNameParameterRequired(title) { + return isParamTitle(title) || isProperty(title) || + title === 'alias' || title === 'this' || title === 'mixes' || title === 'requires'; + } + + function isAllowedName(title) { + return isNameParameterRequired(title) || title === 'const' || title === 'constant'; + } + + function isAllowedNested(title) { + return isProperty(title) || isParamTitle(title); + } + + function isTypeParameterRequired(title) { + return isParamTitle(title) || title === 'define' || title === 'enum' || + title === 'implements' || title === 'return' || + title === 'this' || title === 'type' || title === 'typedef' || + title === 'returns' || isProperty(title); + } + + // Consider deprecation instead using 'isTypeParameterRequired' and 'Rules' declaration to pick when a type is optional/required + // This would require changes to 'parseType' + function isAllowedType(title) { + return isTypeParameterRequired(title) || title === 'throws' || title === 'const' || title === 'constant' || + title === 'namespace' || title === 'member' || title === 'var' || title === 'module' || + title === 'constructor' || title === 'class' || title === 'extends' || title === 'augments' || + title === 'public' || title === 'private' || title === 'protected'; + } + + function DoctrineError(message) { + this.name = 'DoctrineError'; + this.message = message; + } + DoctrineError.prototype = new Error(); + DoctrineError.prototype.constructor = DoctrineError; + + function throwError(message) { + throw new DoctrineError(message); + } + + function assert(cond, text) { + if (VERSION.slice(-3) === 'dev') { + if (!cond) { + throwError(text); + } + } + } + + function trim(str) { + return str.replace(/^\s+/, '').replace(/\s+$/, ''); + } + + function unwrapComment(doc) { + // JSDoc comment is following form + // /** + // * ....... + // */ + // remove /**, */ and * + var BEFORE_STAR = 0, + STAR = 1, + AFTER_STAR = 2, + index, + len, + mode, + result, + ch; + + doc = doc.replace(/^\/\*\*?/, '').replace(/\*\/$/, ''); + index = 0; + len = doc.length; + mode = BEFORE_STAR; + result = ''; + + while (index < len) { + ch = doc[index]; + switch (mode) { + case BEFORE_STAR: + if (isLineTerminator(ch)) { + result += ch; + } else if (ch === '*') { + mode = STAR; + } else if (!isWhiteSpace(ch)) { + result += ch; + mode = AFTER_STAR; + } + break; + + case STAR: + if (!isWhiteSpace(ch)) { + result += ch; + } + mode = isLineTerminator(ch) ? BEFORE_STAR : AFTER_STAR; + break; + + case AFTER_STAR: + result += ch; + if (isLineTerminator(ch)) { + mode = BEFORE_STAR; + } + break; + } + index += 1; + } + + return result; + } + + // Type Expression Parser + + (function (exports) { + var Syntax, + Token, + source, + length, + index, + previous, + token, + value; + + Syntax = { + NullableLiteral: 'NullableLiteral', + AllLiteral: 'AllLiteral', + NullLiteral: 'NullLiteral', + UndefinedLiteral: 'UndefinedLiteral', + VoidLiteral: 'VoidLiteral', + UnionType: 'UnionType', + ArrayType: 'ArrayType', + RecordType: 'RecordType', + FieldType: 'FieldType', + FunctionType: 'FunctionType', + ParameterType: 'ParameterType', + RestType: 'RestType', + NonNullableType: 'NonNullableType', + OptionalType: 'OptionalType', + NullableType: 'NullableType', + NameExpression: 'NameExpression', + TypeApplication: 'TypeApplication' + }; + + Token = { + ILLEGAL: 0, // ILLEGAL + DOT: 1, // . + DOT_LT: 2, // .< + REST: 3, // ... + LT: 4, // < + GT: 5, // > + LPAREN: 6, // ( + RPAREN: 7, // ) + LBRACE: 8, // { + RBRACE: 9, // } + LBRACK: 10, // [ + RBRACK: 11, // ] + COMMA: 12, // , + COLON: 13, // : + STAR: 14, // * + PIPE: 15, // | + QUESTION: 16, // ? + BANG: 17, // ! + EQUAL: 18, // = + NAME: 19, // name token + STRING: 20, // string + NUMBER: 21, // number + EOF: 22 + }; + + function Context(previous, index, token, value) { + this._previous = previous; + this._index = index; + this._token = token; + this._value = value; + } + + Context.prototype.restore = function () { + previous = this._previous; + index = this._index; + token = this._token; + value = this._value; + }; + + Context.save = function () { + return new Context(previous, index, token, value); + }; + + function advance() { + var ch = source[index]; + index += 1; + return ch; + } + + function scanHexEscape(prefix) { + var i, len, ch, code = 0; + + len = (prefix === 'u') ? 4 : 2; + for (i = 0; i < len; ++i) { + if (index < length && isHexDigit(source[index])) { + ch = advance(); + code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase()); + } else { + return ''; + } + } + return String.fromCharCode(code); + } + + function scanString() { + var str = '', quote, ch, code, unescaped, restore; //TODO review removal octal = false + quote = source[index]; + ++index; + + while (index < length) { + ch = advance(); + + if (ch === quote) { + quote = ''; + break; + } else if (ch === '\\') { + ch = advance(); + if (!isLineTerminator(ch)) { + switch (ch) { + case 'n': + str += '\n'; + break; + case 'r': + str += '\r'; + break; + case 't': + str += '\t'; + break; + case 'u': + case 'x': + restore = index; + unescaped = scanHexEscape(ch); + if (unescaped) { + str += unescaped; + } else { + index = restore; + str += ch; + } + break; + case 'b': + str += '\b'; + break; + case 'f': + str += '\f'; + break; + case 'v': + str += '\v'; + break; + + default: + if (isOctalDigit(ch)) { + code = '01234567'.indexOf(ch); + + // \0 is not octal escape sequence + // Deprecating unused code. TODO review removal + //if (code !== 0) { + // octal = true; + //} + + if (index < length && isOctalDigit(source[index])) { + //TODO Review Removal octal = true; + code = code * 8 + '01234567'.indexOf(advance()); + + // 3 digits are only allowed when string starts + // with 0, 1, 2, 3 + if ('0123'.indexOf(ch) >= 0 && + index < length && + isOctalDigit(source[index])) { + code = code * 8 + '01234567'.indexOf(advance()); + } + } + str += String.fromCharCode(code); + } else { + str += ch; + } + break; + } + } else { + if (ch === '\r' && source[index] === '\n') { + ++index; + } + } + } else if (isLineTerminator(ch)) { + break; + } else { + str += ch; + } + } + + if (quote !== '') { + throwError('unexpected quote'); + } + + value = str; + return Token.STRING; + } + + function scanNumber() { + var number, ch; + + number = ''; + if (ch !== '.') { + number = advance(); + ch = source[index]; + + if (number === '0') { + if (ch === 'x' || ch === 'X') { + number += advance(); + while (index < length) { + ch = source[index]; + if (!isHexDigit(ch)) { + break; + } + number += advance(); + } + + if (number.length <= 2) { + // only 0x + throwError('unexpected token'); + } + + if (index < length) { + ch = source[index]; + if (isIdentifierStart(ch)) { + throwError('unexpected token'); + } + } + value = parseInt(number, 16); + return Token.NUMBER; + } + + if (isOctalDigit(ch)) { + number += advance(); + while (index < length) { + ch = source[index]; + if (!isOctalDigit(ch)) { + break; + } + number += advance(); + } + + if (index < length) { + ch = source[index]; + if (isIdentifierStart(ch) || isDecimalDigit(ch)) { + throwError('unexpected token'); + } + } + value = parseInt(number, 8); + return Token.NUMBER; + } + + if (isDecimalDigit(ch)) { + throwError('unexpected token'); + } + } + + while (index < length) { + ch = source[index]; + if (!isDecimalDigit(ch)) { + break; + } + number += advance(); + } + } + + if (ch === '.') { + number += advance(); + while (index < length) { + ch = source[index]; + if (!isDecimalDigit(ch)) { + break; + } + number += advance(); + } + } + + if (ch === 'e' || ch === 'E') { + number += advance(); + + ch = source[index]; + if (ch === '+' || ch === '-') { + number += advance(); + } + + ch = source[index]; + if (isDecimalDigit(ch)) { + number += advance(); + while (index < length) { + ch = source[index]; + if (!isDecimalDigit(ch)) { + break; + } + number += advance(); + } + } else { + throwError('unexpected token'); + } + } + + if (index < length) { + ch = source[index]; + if (isIdentifierStart(ch)) { + throwError('unexpected token'); + } + } + + value = parseFloat(number); + return Token.NUMBER; + } + + + function scanTypeName() { + var ch, ch2; + + value = advance(); + while (index < length && isTypeName(source[index])) { + ch = source[index]; + if (ch === '.') { + if ((index + 1) < length) { + ch2 = source[index + 1]; + if (ch2 === '<') { + break; + } + } + } + value += advance(); + } + return Token.NAME; + } + + function next() { + var ch; + + previous = index; + + while (index < length && isWhiteSpace(source[index])) { + advance(); + } + if (index >= length) { + token = Token.EOF; + return token; + } + + ch = source[index]; + switch (ch) { + case '"': + token = scanString(); + return token; + + case ':': + advance(); + token = Token.COLON; + return token; + + case ',': + advance(); + token = Token.COMMA; + return token; + + case '(': + advance(); + token = Token.LPAREN; + return token; + + case ')': + advance(); + token = Token.RPAREN; + return token; + + case '[': + advance(); + token = Token.LBRACK; + return token; + + case ']': + advance(); + token = Token.RBRACK; + return token; + + case '{': + advance(); + token = Token.LBRACE; + return token; + + case '}': + advance(); + token = Token.RBRACE; + return token; + + case '.': + advance(); + if (index < length) { + ch = source[index]; + if (ch === '<') { + advance(); + token = Token.DOT_LT; + return token; + } + + if (ch === '.' && index + 1 < length && source[index + 1] === '.') { + advance(); + advance(); + token = Token.REST; + return token; + } + + if (isDecimalDigit(ch)) { + token = scanNumber(); + return token; + } + } + token = Token.DOT; + return token; + + case '<': + advance(); + token = Token.LT; + return token; + + case '>': + advance(); + token = Token.GT; + return token; + + case '*': + advance(); + token = Token.STAR; + return token; + + case '|': + advance(); + token = Token.PIPE; + return token; + + case '?': + advance(); + token = Token.QUESTION; + return token; + + case '!': + advance(); + token = Token.BANG; + return token; + + case '=': + advance(); + token = Token.EQUAL; + return token; + + default: + if (isDecimalDigit(ch)) { + token = scanNumber(); + return token; + } + + // type string permits following case, + // + // namespace.module.MyClass + // + // this reduced 1 token TK_NAME + if (isTypeName(ch)) { + token = scanTypeName(); + return token; + } + + token = Token.ILLEGAL; + return token; + } + } + + function consume(target, text) { + assert(token === target, text || 'consumed token not matched'); + next(); + } + + function expect(target) { + if (token !== target) { + throwError('unexpected token'); + } + next(); + } + + // UnionType := '(' TypeUnionList ')' + // + // TypeUnionList := + // <<empty>> + // | NonemptyTypeUnionList + // + // NonemptyTypeUnionList := + // TypeExpression + // | TypeExpression '|' NonemptyTypeUnionList + function parseUnionType() { + var elements; + consume(Token.LPAREN, 'UnionType should start with ('); + elements = []; + if (token !== Token.RPAREN) { + while (true) { + elements.push(parseTypeExpression()); + if (token === Token.RPAREN) { + break; + } + expect(Token.PIPE); + } + } + consume(Token.RPAREN, 'UnionType should end with )'); + return { + type: Syntax.UnionType, + elements: elements + }; + } + + // ArrayType := '[' ElementTypeList ']' + // + // ElementTypeList := + // <<empty>> + // | TypeExpression + // | '...' TypeExpression + // | TypeExpression ',' ElementTypeList + function parseArrayType() { + var elements; + consume(Token.LBRACK, 'ArrayType should start with ['); + elements = []; + while (token !== Token.RBRACK) { + if (token === Token.REST) { + consume(Token.REST); + elements.push({ + type: Syntax.RestType, + expression: parseTypeExpression() + }); + break; + } else { + elements.push(parseTypeExpression()); + } + if (token !== Token.RBRACK) { + expect(Token.COMMA); + } + } + expect(Token.RBRACK); + return { + type: Syntax.ArrayType, + elements: elements + }; + } + + function parseFieldName() { + var v = value; + if (token === Token.NAME || token === Token.STRING) { + next(); + return v; + } + + if (token === Token.NUMBER) { + consume(Token.NUMBER); + return String(v); + } + + throwError('unexpected token'); + } + + // FieldType := + // FieldName + // | FieldName ':' TypeExpression + // + // FieldName := + // NameExpression + // | StringLiteral + // | NumberLiteral + // | ReservedIdentifier + function parseFieldType() { + var key; + + key = parseFieldName(); + if (token === Token.COLON) { + consume(Token.COLON); + return { + type: Syntax.FieldType, + key: key, + value: parseTypeExpression() + }; + } + return { + type: Syntax.FieldType, + key: key, + value: null + }; + } + + // RecordType := '{' FieldTypeList '}' + // + // FieldTypeList := + // <<empty>> + // | FieldType + // | FieldType ',' FieldTypeList + function parseRecordType() { + var fields; + + consume(Token.LBRACE, 'RecordType should start with {'); + fields = []; + if (token === Token.COMMA) { + consume(Token.COMMA); + } else { + while (token !== Token.RBRACE) { + fields.push(parseFieldType()); + if (token !== Token.RBRACE) { + expect(Token.COMMA); + } + } + } + expect(Token.RBRACE); + return { + type: Syntax.RecordType, + fields: fields + }; + } + + function parseNameExpression() { + var name = value; + expect(Token.NAME); + return { + type: Syntax.NameExpression, + name: name + }; + } + + // TypeExpressionList := + // TopLevelTypeExpression + // | TopLevelTypeExpression ',' TypeExpressionList + function parseTypeExpressionList() { + var elements = []; + + elements.push(parseTop()); + while (token === Token.COMMA) { + consume(Token.COMMA); + elements.push(parseTop()); + } + return elements; + } + + // TypeName := + // NameExpression + // | NameExpression TypeApplication + // + // TypeApplication := + // '.<' TypeExpressionList '>' + // | '<' TypeExpressionList '>' // this is extension of doctrine + function parseTypeName() { + var expr, applications; + + expr = parseNameExpression(); + if (token === Token.DOT_LT || token === Token.LT) { + next(); + applications = parseTypeExpressionList(); + expect(Token.GT); + return { + type: Syntax.TypeApplication, + expression: expr, + applications: applications + }; + } + return expr; + } + + // ResultType := + // <<empty>> + // | ':' void + // | ':' TypeExpression + // + // BNF is above + // but, we remove <<empty>> pattern, so token is always TypeToken::COLON + function parseResultType() { + consume(Token.COLON, 'ResultType should start with :'); + if (token === Token.NAME && value === 'void') { + consume(Token.NAME); + return { + type: Syntax.VoidLiteral + }; + } + return parseTypeExpression(); + } + + // ParametersType := + // RestParameterType + // | NonRestParametersType + // | NonRestParametersType ',' RestParameterType + // + // RestParameterType := + // '...' + // '...' Identifier + // + // NonRestParametersType := + // ParameterType ',' NonRestParametersType + // | ParameterType + // | OptionalParametersType + // + // OptionalParametersType := + // OptionalParameterType + // | OptionalParameterType, OptionalParametersType + // + // OptionalParameterType := ParameterType= + // + // ParameterType := TypeExpression | Identifier ':' TypeExpression + // + // Identifier is "new" or "this" + function parseParametersType() { + var params = [], normal = true, expr, rest = false; + + while (token !== Token.RPAREN) { + if (token === Token.REST) { + // RestParameterType + consume(Token.REST); + rest = true; + } + + expr = parseTypeExpression(); + if (expr.type === Syntax.NameExpression && token === Token.COLON) { + // Identifier ':' TypeExpression + consume(Token.COLON); + expr = { + type: Syntax.ParameterType, + name: expr.name, + expression: parseTypeExpression() + }; + } + if (token === Token.EQUAL) { + consume(Token.EQUAL); + expr = { + type: Syntax.OptionalType, + expression: expr + }; + normal = false; + } else { + if (!normal) { + throwError('unexpected token'); + } + } + if (rest) { + expr = { + type: Syntax.RestType, + expression: expr + }; + } + params.push(expr); + if (token !== Token.RPAREN) { + expect(Token.COMMA); + } + } + return params; + } + + // FunctionType := 'function' FunctionSignatureType + // + // FunctionSignatureType := + // | TypeParameters '(' ')' ResultType + // | TypeParameters '(' ParametersType ')' ResultType + // | TypeParameters '(' 'this' ':' TypeName ')' ResultType + // | TypeParameters '(' 'this' ':' TypeName ',' ParametersType ')' ResultType + function parseFunctionType() { + var isNew, thisBinding, params, result, fnType; + assert(token === Token.NAME && value === 'function', 'FunctionType should start with \'function\''); + consume(Token.NAME); + + // Google Closure Compiler is not implementing TypeParameters. + // So we do not. if we don't get '(', we see it as error. + expect(Token.LPAREN); + + isNew = false; + params = []; + thisBinding = null; + if (token !== Token.RPAREN) { + // ParametersType or 'this' + if (token === Token.NAME && + (value === 'this' || value === 'new')) { + // 'this' or 'new' + // 'new' is Closure Compiler extension + isNew = value === 'new'; + consume(Token.NAME); + expect(Token.COLON); + thisBinding = parseTypeName(); + if (token === Token.COMMA) { + consume(Token.COMMA); + params = parseParametersType(); + } + } else { + params = parseParametersType(); + } + } + + expect(Token.RPAREN); + + result = null; + if (token === Token.COLON) { + result = parseResultType(); + } + + fnType = { + type: Syntax.FunctionType, + params: params, + result: result + }; + if (thisBinding) { + // avoid adding null 'new' and 'this' properties + fnType['this'] = thisBinding; + if (isNew) { + fnType['new'] = true; + } + } + return fnType; + } + + // BasicTypeExpression := + // '*' + // | 'null' + // | 'undefined' + // | TypeName + // | FunctionType + // | UnionType + // | RecordType + // | ArrayType + function parseBasicTypeExpression() { + var context; + switch (token) { + case Token.STAR: + consume(Token.STAR); + return { + type: Syntax.AllLiteral + }; + + case Token.LPAREN: + return parseUnionType(); + + case Token.LBRACK: + return parseArrayType(); + + case Token.LBRACE: + return parseRecordType(); + + case Token.NAME: + if (value === 'null') { + consume(Token.NAME); + return { + type: Syntax.NullLiteral + }; + } + + if (value === 'undefined') { + consume(Token.NAME); + return { + type: Syntax.UndefinedLiteral + }; + } + + context = Context.save(); + if (value === 'function') { + try { + return parseFunctionType(); + } catch (e) { + context.restore(); + } + } + + return parseTypeName(); + + default: + throwError('unexpected token'); + } + } + + // TypeExpression := + // BasicTypeExpression + // | '?' BasicTypeExpression + // | '!' BasicTypeExpression + // | BasicTypeExpression '?' + // | BasicTypeExpression '!' + // | '?' + // | BasicTypeExpression '[]' + function parseTypeExpression() { + var expr; + + if (token === Token.QUESTION) { + consume(Token.QUESTION); + if (token === Token.COMMA || token === Token.EQUAL || token === Token.RBRACE || + token === Token.RPAREN || token === Token.PIPE || token === Token.EOF || + token === Token.RBRACK) { + return { + type: Syntax.NullableLiteral + }; + } + return { + type: Syntax.NullableType, + expression: parseBasicTypeExpression(), + prefix: true + }; + } + + if (token === Token.BANG) { + consume(Token.BANG); + return { + type: Syntax.NonNullableType, + expression: parseBasicTypeExpression(), + prefix: true + }; + } + + expr = parseBasicTypeExpression(); + if (token === Token.BANG) { + consume(Token.BANG); + return { + type: Syntax.NonNullableType, + expression: expr, + prefix: false + }; + } + + if (token === Token.QUESTION) { + consume(Token.QUESTION); + return { + type: Syntax.NullableType, + expression: expr, + prefix: false + }; + } + + if (token === Token.LBRACK) { + consume(Token.LBRACK); + consume(Token.RBRACK, 'expected an array-style type declaration (' + value + '[])'); + return { + type: Syntax.TypeApplication, + expression: { + type: Syntax.NameExpression, + name: 'Array' + }, + applications: [expr] + }; + } + + return expr; + } + + // TopLevelTypeExpression := + // TypeExpression + // | TypeUnionList + // + // This rule is Google Closure Compiler extension, not ES4 + // like, + // { number | string } + // If strict to ES4, we should write it as + // { (number|string) } + function parseTop() { + var expr, elements; + + expr = parseTypeExpression(); + if (token !== Token.PIPE) { + return expr; + } + + elements = [ expr ]; + consume(Token.PIPE); + while (true) { + elements.push(parseTypeExpression()); + if (token !== Token.PIPE) { + break; + } + consume(Token.PIPE); + } + + return { + type: Syntax.UnionType, + elements: elements + }; + } + + function parseTopParamType() { + var expr; + + if (token === Token.REST) { + consume(Token.REST); + return { + type: Syntax.RestType, + expression: parseTop() + }; + } + + expr = parseTop(); + if (token === Token.EQUAL) { + consume(Token.EQUAL); + return { + type: Syntax.OptionalType, + expression: expr + }; + } + + return expr; + } + + function parseType(src, opt) { + var expr; + + source = src; + length = source.length; + index = 0; + previous = 0; + + if (!CanAccessStringByIndex) { + source = source.split(''); + } + + next(); + expr = parseTop(); + + if (opt && opt.midstream) { + return { + expression: expr, + index: previous + }; + } + + if (token !== Token.EOF) { + throwError('not reach to EOF'); + } + + return expr; + } + + function parseParamType(src, opt) { + var expr; + + source = src; + length = source.length; + index = 0; + previous = 0; + + if (!CanAccessStringByIndex) { + source = source.split(''); + } + + next(); + expr = parseTopParamType(); + + if (opt && opt.midstream) { + return { + expression: expr, + index: previous + }; + } + + if (token !== Token.EOF) { + throwError('not reach to EOF'); + } + + return expr; + } + + function stringifyImpl(node, compact, topLevel) { + var result, i, iz; + + switch (node.type) { + case Syntax.NullableLiteral: + result = '?'; + break; + + case Syntax.AllLiteral: + result = '*'; + break; + + case Syntax.NullLiteral: + result = 'null'; + break; + + case Syntax.UndefinedLiteral: + result = 'undefined'; + break; + + case Syntax.VoidLiteral: + result = 'void'; + break; + + case Syntax.UnionType: + if (!topLevel) { + result = '('; + } else { + result = ''; + } + + for (i = 0, iz = node.elements.length; i < iz; ++i) { + result += stringifyImpl(node.elements[i], compact); + if ((i + 1) !== iz) { + result += '|'; + } + } + + if (!topLevel) { + result += ')'; + } + break; + + case Syntax.ArrayType: + result = '['; + for (i = 0, iz = node.elements.length; i < iz; ++i) { + result += stringifyImpl(node.elements[i], compact); + if ((i + 1) !== iz) { + result += compact ? ',' : ', '; + } + } + result += ']'; + break; + + case Syntax.RecordType: + result = '{'; + for (i = 0, iz = node.fields.length; i < iz; ++i) { + result += stringifyImpl(node.fields[i], compact); + if ((i + 1) !== iz) { + result += compact ? ',' : ', '; + } + } + result += '}'; + break; + + case Syntax.FieldType: + if (node.value) { + result = node.key + (compact ? ':' : ': ') + stringifyImpl(node.value, compact); + } else { + result = node.key; + } + break; + + case Syntax.FunctionType: + result = compact ? 'function(' : 'function ('; + + if (node['this']) { + if (node['new']) { + result += (compact ? 'new:' : 'new: '); + } else { + result += (compact ? 'this:' : 'this: '); + } + + result += stringifyImpl(node['this'], compact); + + if (node.params.length !== 0) { + result += compact ? ',' : ', '; + } + } + + for (i = 0, iz = node.params.length; i < iz; ++i) { + result += stringifyImpl(node.params[i], compact); + if ((i + 1) !== iz) { + result += compact ? ',' : ', '; + } + } + + result += ')'; + + if (node.result) { + result += (compact ? ':' : ': ') + stringifyImpl(node.result, compact); + } + break; + + case Syntax.ParameterType: + result = node.name + (compact ? ':' : ': ') + stringifyImpl(node.expression, compact); + break; + + case Syntax.RestType: + result = '...'; + if (node.expression) { + result += stringifyImpl(node.expression, compact); + } + break; + + case Syntax.NonNullableType: + if (node.prefix) { + result = '!' + stringifyImpl(node.expression, compact); + } else { + result = stringifyImpl(node.expression, compact) + '!'; + } + break; + + case Syntax.OptionalType: + result = stringifyImpl(node.expression, compact) + '='; + break; + + case Syntax.NullableType: + if (node.prefix) { + result = '?' + stringifyImpl(node.expression, compact); + } else { + result = stringifyImpl(node.expression, compact) + '?'; + } + break; + + case Syntax.NameExpression: + result = node.name; + break; + + case Syntax.TypeApplication: + result = stringifyImpl(node.expression, compact) + '.<'; + for (i = 0, iz = node.applications.length; i < iz; ++i) { + result += stringifyImpl(node.applications[i], compact); + if ((i + 1) !== iz) { + result += compact ? ',' : ', '; + } + } + result += '>'; + break; + + default: + throwError('Unknown type ' + node.type); + } + + return result; + } + + function stringify(node, options) { + if (options == null) { + options = {}; + } + return stringifyImpl(node, options.compact, options.topLevel); + } + + exports.parseType = parseType; + exports.parseParamType = parseParamType; + exports.stringify = stringify; + exports.Syntax = Syntax; + }(typed = {})); + + // JSDoc Tag Parser + + (function (exports) { + var Rules, + index, + lineNumber, + length, + source, + recoverable, + sloppy, + strict; + + function advance() { + var ch = source[index]; + index += 1; + if (isLineTerminator(ch)) { + lineNumber += 1; + } + return ch; + } + + function scanTitle() { + var title = ''; + // waste '@' + advance(); + + while (index < length && isASCIIAlphanumeric(source[index])) { + title += advance(); + } + + return title; + } + + function seekContent() { + var ch, waiting, last = index; + + waiting = false; + while (last < length) { + ch = source[last]; + if (isLineTerminator(ch)) { + lineNumber += 1; + waiting = true; + } else if (waiting) { + if (ch === '@') { + break; + } + if (!isWhiteSpace(ch)) { + waiting = false; + } + } + last += 1; + } + return last; + } + + // type expression may have nest brace, such as, + // { { ok: string } } + // + // therefore, scanning type expression with balancing braces. + function parseType(title, last) { + var ch, brace, type, direct = false; + + // search '{' + while (index < last) { + ch = source[index]; + if (isWhiteSpace(ch)) { + advance(); + } else if (ch === '{') { + advance(); + break; + } else { + // this is direct pattern + direct = true; + break; + } + } + + if (!direct) { + // type expression { is found + brace = 1; + type = ''; + while (index < last) { + ch = source[index]; + if (isLineTerminator(ch)) { + advance(); + } else { + if (ch === '}') { + brace -= 1; + if (brace === 0) { + advance(); + break; + } + } else if (ch === '{') { + brace += 1; + } + type += advance(); + } + } + + if (brace !== 0) { + // braces is not balanced + return throwError('Braces are not balanced'); + } + + try { + if (isParamTitle(title)) { + return typed.parseParamType(type); + } + return typed.parseType(type); + } catch (e1) { + // parse failed + return null; + } + } else { + return null; + } + } + + function scanIdentifier(last) { + var identifier; + if (!isIdentifierStart(source[index])) { + return null; + } + identifier = advance(); + while (index < last && isIdentifierPart(source[index])) { + identifier += advance(); + } + return identifier; + } + + function skipWhiteSpace(last) { + while (index < last && (isWhiteSpace(source[index]) || isLineTerminator(source[index]))) { + advance(); + } + } + + function parseName(last, allowBrackets, allowNestedParams) { + var name = '', useBrackets; + + skipWhiteSpace(last); + + if (index >= last) { + return null; + } + + if (allowBrackets && source[index] === '[') { + useBrackets = true; + name = advance(); + } + + if (!isIdentifierStart(source[index])) { + return null; + } + + name += scanIdentifier(last); + + if (allowNestedParams) { + while (source[index] === '.') { + name += '.'; + index += 1; + name += scanIdentifier(last); + } + } + + if (useBrackets) { + // do we have a default value for this? + if (source[index] === '=') { + + // consume the '='' symbol + name += advance(); + // scan in the default value + while (index < last && source[index] !== ']') { + name += advance(); + } + } + + if (index >= last || source[index] !== ']') { + // we never found a closing ']' + return null; + } + + // collect the last ']' + name += advance(); + } + + return name; + } + + function skipToTag() { + while (index < length && source[index] !== '@') { + advance(); + } + if (index >= length) { + return false; + } + assert(source[index] === '@'); + return true; + } + + function TagParser(options, title) { + this._options = options; + this._title = title; + this._tag = { + title: title, + description: null + }; + if (this._options.lineNumbers) { + this._tag.lineNumber = lineNumber; + } + this._last = 0; + // space to save special information for title parsers. + this._extra = { }; + } + + // addError(err, ...) + TagParser.prototype.addError = function addError(errorText) { + var args = Array.prototype.slice.call(arguments, 1), + msg = errorText.replace( + /%(\d)/g, + function (whole, index) { + assert(index < args.length, 'Message reference must be in range'); + return args[index]; + } + ); + + if (!this._tag.errors) { + this._tag.errors = []; + } + if (strict) { + throwError(msg); + } + this._tag.errors.push(msg); + return recoverable; + }; + + TagParser.prototype.parseType = function () { + // type required titles + if (isTypeParameterRequired(this._title)) { + try { + this._tag.type = parseType(this._title, this._last); + if (!this._tag.type) { + if (!isParamTitle(this._title)) { + if (!this.addError('Missing or invalid tag type')) { + return false; + } + } + } + } catch (error) { + this._tag.type = null; + if (!this.addError(error.message)) { + return false; + } + } + } else if (isAllowedType(this._title)) { + // optional types + try { + this._tag.type = parseType(this._title, this._last); + } catch (e) { + //For optional types, lets drop the thrown error when we hit the end of the file + } + } + return true; + }; + + TagParser.prototype._parseNamePath = function (optional) { + var name; + name = parseName(this._last, sloppy && isParamTitle(this._title), true); + if (!name) { + if (!optional) { + if (!this.addError('Missing or invalid tag name')) { + return false; + } + } + } + this._tag.name = name; + return true; + }; + + TagParser.prototype.parseNamePath = function () { + return this._parseNamePath(false); + }; + + TagParser.prototype.parseNamePathOptional = function () { + return this._parseNamePath(true); + }; + + + TagParser.prototype.parseName = function () { + var assign, name; + + // param, property requires name + if (isAllowedName(this._title)) { + this._tag.name = parseName(this._last, sloppy && isParamTitle(this._title), isAllowedNested(this._title)); + if (!this._tag.name) { + if (!isNameParameterRequired(this._title)) { + return true; + } + + // it's possible the name has already been parsed but interpreted as a type + // it's also possible this is a sloppy declaration, in which case it will be + // fixed at the end + if (isParamTitle(this._title) && this._tag.type.name) { + this._extra.name = this._tag.type; + this._tag.name = this._tag.type.name; + this._tag.type = null; + } else { + if (!this.addError('Missing or invalid tag name')) { + return false; + } + } + } else { + name = this._tag.name; + if (name.charAt(0) === '[' && name.charAt(name.length - 1) === ']') { + // extract the default value if there is one + // example: @param {string} [somebody=John Doe] description + assign = name.substring(1, name.length - 1).split('='); + if (assign[1]) { + this._tag['default'] = assign[1]; + } + this._tag.name = assign[0]; + + // convert to an optional type + if (this._tag.type.type !== 'OptionalType') { + this._tag.type = { + type: 'OptionalType', + expression: this._tag.type + }; + } + } + } + } + + return true; + }; + + TagParser.prototype.parseDescription = function parseDescription() { + var description = trim(sliceSource(source, index, this._last)); + if (description) { + if ((/^-\s+/).test(description)) { + description = description.substring(2); + } + this._tag.description = description; + } + return true; + }; + + TagParser.prototype.parseKind = function parseKind() { + var kind, kinds; + kinds = { + 'class': true, + 'constant': true, + 'event': true, + 'external': true, + 'file': true, + 'function': true, + 'member': true, + 'mixin': true, + 'module': true, + 'namespace': true, + 'typedef': true + }; + kind = trim(sliceSource(source, index, this._last)); + this._tag.kind = kind; + if (!hasOwnProperty(kinds, kind)) { + if (!this.addError('Invalid kind name \'%0\'', kind)) { + return false; + } + } + return true; + }; + + TagParser.prototype.parseAccess = function parseAccess() { + var access; + access = trim(sliceSource(source, index, this._last)); + this._tag.access = access; + if (access !== 'private' && access !== 'protected' && access !== 'public') { + if (!this.addError('Invalid access name \'%0\'', access)) { + return false; + } + } + return true; + }; + + TagParser.prototype.parseVariation = function parseVariation() { + var variation, text; + text = trim(sliceSource(source, index, this._last)); + variation = parseFloat(text, 10); + this._tag.variation = variation; + if (isNaN(variation)) { + if (!this.addError('Invalid variation \'%0\'', text)) { + return false; + } + } + return true; + }; + + TagParser.prototype.ensureEnd = function () { + var shouldBeEmpty = trim(sliceSource(source, index, this._last)); + if (shouldBeEmpty) { + if (!this.addError('Unknown content \'%0\'', shouldBeEmpty)) { + return false; + } + } + return true; + }; + + TagParser.prototype.epilogue = function epilogue() { + var description; + + description = this._tag.description; + // un-fix potentially sloppy declaration + if (isParamTitle(this._title) && !this._tag.type && description && description.charAt(0) === '[') { + this._tag.type = this._extra.name; + this._tag.name = undefined; + + if (!sloppy) { + if (!this.addError('Missing or invalid tag name')) { + return false; + } + } + } + + return true; + }; + + Rules = { + // http://usejsdoc.org/tags-access.html + 'access': ['parseAccess'], + // http://usejsdoc.org/tags-alias.html + 'alias': ['parseNamePath', 'ensureEnd'], + // http://usejsdoc.org/tags-augments.html + 'augments': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-constructor.html + 'constructor': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // Synonym: http://usejsdoc.org/tags-constructor.html + 'class': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // Synonym: http://usejsdoc.org/tags-extends.html + 'extends': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-deprecated.html + 'deprecated': ['parseDescription'], + // http://usejsdoc.org/tags-global.html + 'global': ['ensureEnd'], + // http://usejsdoc.org/tags-inner.html + 'inner': ['ensureEnd'], + // http://usejsdoc.org/tags-instance.html + 'instance': ['ensureEnd'], + // http://usejsdoc.org/tags-kind.html + 'kind': ['parseKind'], + // http://usejsdoc.org/tags-mixes.html + 'mixes': ['parseNamePath', 'ensureEnd'], + // http://usejsdoc.org/tags-mixin.html + 'mixin': ['parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-member.html + 'member': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-method.html + 'method': ['parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-module.html + 'module': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // Synonym: http://usejsdoc.org/tags-method.html + 'func': ['parseNamePathOptional', 'ensureEnd'], + // Synonym: http://usejsdoc.org/tags-method.html + 'function': ['parseNamePathOptional', 'ensureEnd'], + // Synonym: http://usejsdoc.org/tags-member.html + 'var': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-name.html + 'name': ['parseNamePath', 'ensureEnd'], + // http://usejsdoc.org/tags-namespace.html + 'namespace': ['parseType', 'parseNamePathOptional', 'ensureEnd'], + // http://usejsdoc.org/tags-private.html + 'private': ['parseType', 'parseDescription'], + // http://usejsdoc.org/tags-protected.html + 'protected': ['parseType', 'parseDescription'], + // http://usejsdoc.org/tags-public.html + 'public': ['parseType', 'parseDescription'], + // http://usejsdoc.org/tags-readonly.html + 'readonly': ['ensureEnd'], + // http://usejsdoc.org/tags-requires.html + 'requires': ['parseNamePath', 'ensureEnd'], + // http://usejsdoc.org/tags-since.html + 'since': ['parseDescription'], + // http://usejsdoc.org/tags-static.html + 'static': ['ensureEnd'], + // http://usejsdoc.org/tags-summary.html + 'summary': ['parseDescription'], + // http://usejsdoc.org/tags-this.html + 'this': ['parseNamePath', 'ensureEnd'], + // http://usejsdoc.org/tags-todo.html + 'todo': ['parseDescription'], + // http://usejsdoc.org/tags-variation.html + 'variation': ['parseVariation'], + // http://usejsdoc.org/tags-version.html + 'version': ['parseDescription'] + }; + + TagParser.prototype.parse = function parse() { + var i, iz, sequences, method; + + // empty title + if (!this._title) { + if (!this.addError('Missing or invalid title')) { + return null; + } + } + + // Seek to content last index. + this._last = seekContent(this._title); + + if (hasOwnProperty(Rules, this._title)) { + sequences = Rules[this._title]; + } else { + // default sequences + sequences = ['parseType', 'parseName', 'parseDescription', 'epilogue']; + } + + for (i = 0, iz = sequences.length; i < iz; ++i) { + method = sequences[i]; + if (!this[method]()) { + return null; + } + } + + // Seek global index to end of this tag. + index = this._last; + return this._tag; + }; + + function parseTag(options) { + var title, parser; + + // skip to tag + if (!skipToTag()) { + return null; + } + + // scan title + title = scanTitle(); + + // construct tag parser + parser = new TagParser(options, title); + return parser.parse(); + } + + // + // Parse JSDoc + // + + function scanJSDocDescription() { + var description = '', ch, atAllowed; + + atAllowed = true; + while (index < length) { + ch = source[index]; + + if (atAllowed && ch === '@') { + break; + } + + if (isLineTerminator(ch)) { + atAllowed = true; + } else if (atAllowed && !isWhiteSpace(ch)) { + atAllowed = false; + } + + description += advance(); + } + return trim(description); + } + + function parse(comment, options) { + var tags = [], tag, description, interestingTags, i, iz; + + if (options === undefined) { + options = {}; + } + + if (typeof options.unwrap === 'boolean' && options.unwrap) { + source = unwrapComment(comment); + } else { + source = comment; + } + + // array of relevant tags + if (options.tags) { + if (isArray(options.tags)) { + interestingTags = { }; + for (i = 0, iz = options.tags.length; i < iz; i++) { + if (typeof options.tags[i] === 'string') { + interestingTags[options.tags[i]] = true; + } else { + throwError('Invalid "tags" parameter: ' + options.tags); + } + } + } else { + throwError('Invalid "tags" parameter: ' + options.tags); + } + } + + if (!CanAccessStringByIndex) { + source = source.split(''); + } + + length = source.length; + index = 0; + lineNumber = 0; + recoverable = options.recoverable; + sloppy = options.sloppy; + strict = options.strict; + + description = scanJSDocDescription(); + + while (true) { + tag = parseTag(options); + if (!tag) { + break; + } + if (!interestingTags || interestingTags.hasOwnProperty(tag.title)) { + tags.push(tag); + } + } + + return { + description: description, + tags: tags + }; + } + exports.parse = parse; + }(jsdoc = {})); + + exports.version = VERSION; + exports.parse = jsdoc.parse; + exports.parseType = typed.parseType; + exports.parseParamType = typed.parseParamType; + exports.unwrapComment = unwrapComment; + exports.Syntax = shallowCopy(typed.Syntax); + exports.Error = DoctrineError; + exports.type = { + Syntax: exports.Syntax, + parseType: typed.parseType, + parseParamType: typed.parseParamType, + stringify: typed.stringify + }; +}(typeof exports === 'undefined' ? (doctrine = {}) : exports)); +/* vim: set sw=4 ts=4 et tw=80 : */ + +},{}],5:[function(require,module,exports){ +/* + Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com> + Copyright (C) 2013 Alex Seville <hi@alexanderseville.com> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * Escope (<a href="http://github.com/Constellation/escope">escope</a>) is an <a + * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a> + * scope analyzer extracted from the <a + * href="http://github.com/Constellation/esmangle">esmangle project</a/>. + * <p> + * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that + * program where different occurrences of the same identifier refer to the same + * variable. With each scope the contained variables are collected, and each + * identifier reference in code is linked to its corresponding variable (if + * possible). + * <p> + * <em>escope</em> works on a syntax tree of the parsed source code which has + * to adhere to the <a + * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API"> + * Mozilla Parser API</a>. E.g. <a href="http://esprima.org">esprima</a> is a parser + * that produces such syntax trees. + * <p> + * The main interface is the {@link analyze} function. + * @module + */ + +/*jslint bitwise:true */ +/*global exports:true, define:true, require:true*/ +(function (factory, global) { + 'use strict'; + + function namespace(str, obj) { + var i, iz, names, name; + names = str.split('.'); + for (i = 0, iz = names.length; i < iz; ++i) { + name = names[i]; + if (obj.hasOwnProperty(name)) { + obj = obj[name]; + } else { + obj = (obj[name] = {}); + } + } + return obj; + } + + // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, + // and plain browser loading, + if (typeof define === 'function' && define.amd) { + define('escope', ['exports', 'estraverse'], function (exports, estraverse) { + factory(exports, global, estraverse); + }); + } else if (typeof exports !== 'undefined') { + factory(exports, global, require('estraverse')); + } else { + factory(namespace('escope', global), global, global.estraverse); + } +}(function (exports, global, estraverse) { + 'use strict'; + + var Syntax, + Map, + currentScope, + globalScope, + scopes, + options; + + Syntax = estraverse.Syntax; + + if (typeof global.Map !== 'undefined') { + // ES6 Map + Map = global.Map; + } else { + Map = function Map() { + this.__data = {}; + }; + + Map.prototype.get = function MapGet(key) { + key = '$' + key; + if (this.__data.hasOwnProperty(key)) { + return this.__data[key]; + } + return undefined; + }; + + Map.prototype.has = function MapHas(key) { + key = '$' + key; + return this.__data.hasOwnProperty(key); + }; + + Map.prototype.set = function MapSet(key, val) { + key = '$' + key; + this.__data[key] = val; + }; + + Map.prototype['delete'] = function MapDelete(key) { + key = '$' + key; + return delete this.__data[key]; + }; + } + + function assert(cond, text) { + if (!cond) { + throw new Error(text); + } + } + + function defaultOptions() { + return { + optimistic: false, + directive: false + }; + } + + function updateDeeply(target, override) { + var key, val; + + function isHashObject(target) { + return typeof target === 'object' && target instanceof Object && !(target instanceof RegExp); + } + + for (key in override) { + if (override.hasOwnProperty(key)) { + val = override[key]; + if (isHashObject(val)) { + if (isHashObject(target[key])) { + updateDeeply(target[key], val); + } else { + target[key] = updateDeeply({}, val); + } + } else { + target[key] = val; + } + } + } + return target; + } + + /** + * A Reference represents a single occurrence of an identifier in code. + * @class Reference + */ + function Reference(ident, scope, flag, writeExpr, maybeImplicitGlobal) { + /** + * Identifier syntax node. + * @member {esprima#Identifier} Reference#identifier + */ + this.identifier = ident; + /** + * Reference to the enclosing Scope. + * @member {Scope} Reference#from + */ + this.from = scope; + /** + * Whether the reference comes from a dynamic scope (such as 'eval', + * 'with', etc.), and may be trapped by dynamic scopes. + * @member {boolean} Reference#tainted + */ + this.tainted = false; + /** + * The variable this reference is resolved with. + * @member {Variable} Reference#resolved + */ + this.resolved = null; + /** + * The read-write mode of the reference. (Value is one of {@link + * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}). + * @member {number} Reference#flag + * @private + */ + this.flag = flag; + if (this.isWrite()) { + /** + * If reference is writeable, this is the tree being written to it. + * @member {esprima#Node} Reference#writeExpr + */ + this.writeExpr = writeExpr; + } + /** + * Whether the Reference might refer to a global variable. + * @member {boolean} Reference#__maybeImplicitGlobal + * @private + */ + this.__maybeImplicitGlobal = maybeImplicitGlobal; + } + + /** + * @constant Reference.READ + * @private + */ + Reference.READ = 0x1; + /** + * @constant Reference.WRITE + * @private + */ + Reference.WRITE = 0x2; + /** + * @constant Reference.RW + * @private + */ + Reference.RW = 0x3; + + /** + * Whether the reference is static. + * @method Reference#isStatic + * @return {boolean} + */ + Reference.prototype.isStatic = function isStatic() { + return !this.tainted && this.resolved && this.resolved.scope.isStatic(); + }; + + /** + * Whether the reference is writeable. + * @method Reference#isWrite + * @return {boolean} + */ + Reference.prototype.isWrite = function isWrite() { + return this.flag & Reference.WRITE; + }; + + /** + * Whether the reference is readable. + * @method Reference#isRead + * @return {boolean} + */ + Reference.prototype.isRead = function isRead() { + return this.flag & Reference.READ; + }; + + /** + * Whether the reference is read-only. + * @method Reference#isReadOnly + * @return {boolean} + */ + Reference.prototype.isReadOnly = function isReadOnly() { + return this.flag === Reference.READ; + }; + + /** + * Whether the reference is write-only. + * @method Reference#isWriteOnly + * @return {boolean} + */ + Reference.prototype.isWriteOnly = function isWriteOnly() { + return this.flag === Reference.WRITE; + }; + + /** + * Whether the reference is read-write. + * @method Reference#isReadWrite + * @return {boolean} + */ + Reference.prototype.isReadWrite = function isReadWrite() { + return this.flag === Reference.RW; + }; + + /** + * A Variable represents a locally scoped identifier. These include arguments to + * functions. + * @class Variable + */ + function Variable(name, scope) { + /** + * The variable name, as given in the source code. + * @member {String} Variable#name + */ + this.name = name; + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as AST nodes. + * @member {esprima.Identifier[]} Variable#identifiers + */ + this.identifiers = []; + /** + * List of {@link Reference|references} of this variable (excluding parameter entries) + * in its defining scope and all nested scopes. For defining + * occurrences only see {@link Variable#defs}. + * @member {Reference[]} Variable#references + */ + this.references = []; + + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as custom objects. + * @typedef {Object} DefEntry + * @property {String} DefEntry.type - the type of the occurrence (e.g. + * "Parameter", "Variable", ...) + * @property {esprima.Identifier} DefEntry.name - the identifier AST node of the occurrence + * @property {esprima.Node} DefEntry.node - the enclosing node of the + * identifier + * @property {esprima.Node} [DefEntry.parent] - the enclosing statement + * node of the identifier + * @member {DefEntry[]} Variable#defs + */ + this.defs = []; + + this.tainted = false; + /** + * Whether this is a stack variable. + * @member {boolean} Variable#stack + */ + this.stack = true; + /** + * Reference to the enclosing Scope. + * @member {Scope} Variable#scope + */ + this.scope = scope; + } + + Variable.CatchClause = 'CatchClause'; + Variable.Parameter = 'Parameter'; + Variable.FunctionName = 'FunctionName'; + Variable.Variable = 'Variable'; + Variable.ImplicitGlobalVariable = 'ImplicitGlobalVariable'; + + function isStrictScope(scope, block) { + var body, i, iz, stmt, expr; + + // When upper scope is exists and strict, inner scope is also strict. + if (scope.upper && scope.upper.isStrict) { + return true; + } + + if (scope.type === 'function') { + body = block.body; + } else if (scope.type === 'global') { + body = block; + } else { + return false; + } + + if (options.directive) { + for (i = 0, iz = body.body.length; i < iz; ++i) { + stmt = body.body[i]; + if (stmt.type !== 'DirectiveStatement') { + break; + } + if (stmt.raw === '"use strict"' || stmt.raw === '\'use strict\'') { + return true; + } + } + } else { + for (i = 0, iz = body.body.length; i < iz; ++i) { + stmt = body.body[i]; + if (stmt.type !== Syntax.ExpressionStatement) { + break; + } + expr = stmt.expression; + if (expr.type !== Syntax.Literal || typeof expr.value !== 'string') { + break; + } + if (expr.raw != null) { + if (expr.raw === '"use strict"' || expr.raw === '\'use strict\'') { + return true; + } + } else { + if (expr.value === 'use strict') { + return true; + } + } + } + } + return false; + } + + /** + * @class Scope + */ + function Scope(block, opt) { + var variable, body; + + /** + * One of 'catch', 'with', 'function' or 'global'. + * @member {String} Scope#type + */ + this.type = + (block.type === Syntax.CatchClause) ? 'catch' : + (block.type === Syntax.WithStatement) ? 'with' : + (block.type === Syntax.Program) ? 'global' : 'function'; + /** + * The scoped {@link Variable}s of this scope, as <code>{ Variable.name + * : Variable }</code>. + * @member {Map} Scope#set + */ + this.set = new Map(); + /** + * The tainted variables of this scope, as <code>{ Variable.name : + * boolean }</code>. + * @member {Map} Scope#taints */ + this.taints = new Map(); + /** + * Generally, through the lexical scoping of JS you can always know + * which variable an identifier in the source code refers to. There are + * a few exceptions to this rule. With 'global' and 'with' scopes you + * can only decide at runtime which variable a reference refers to. + * Moreover, if 'eval()' is used in a scope, it might introduce new + * bindings in this or its prarent scopes. + * All those scopes are considered 'dynamic'. + * @member {boolean} Scope#dynamic + */ + this.dynamic = this.type === 'global' || this.type === 'with'; + /** + * A reference to the scope-defining syntax node. + * @member {esprima.Node} Scope#block + */ + this.block = block; + /** + * The {@link Reference|references} that are not resolved with this scope. + * @member {Reference[]} Scope#through + */ + this.through = []; + /** + * The scoped {@link Variable}s of this scope. In the case of a + * 'function' scope this includes the automatic argument <em>arguments</em> as + * its first element, as well as all further formal arguments. + * @member {Variable[]} Scope#variables + */ + this.variables = []; + /** + * Any variable {@link Reference|reference} found in this scope. This + * includes occurrences of local variables as well as variables from + * parent scopes (including the global scope). For local variables + * this also includes defining occurrences (like in a 'var' statement). + * In a 'function' scope this does not include the occurrences of the + * formal parameter in the parameter list. + * @member {Reference[]} Scope#references + */ + this.references = []; + /** + * List of {@link Reference}s that are left to be resolved (i.e. which + * need to be linked to the variable they refer to). Used internally to + * resolve bindings during scope analysis. On a finalized scope + * analysis, all sopes have <em>left</em> value <strong>null</strong>. + * @member {Reference[]} Scope#left + */ + this.left = []; + /** + * For 'global' and 'function' scopes, this is a self-reference. For + * other scope types this is the <em>variableScope</em> value of the + * parent scope. + * @member {Scope} Scope#variableScope + */ + this.variableScope = + (this.type === 'global' || this.type === 'function') ? this : currentScope.variableScope; + /** + * Whether this scope is created by a FunctionExpression. + * @member {boolean} Scope#functionExpressionScope + */ + this.functionExpressionScope = false; + /** + * Whether this is a scope that contains an 'eval()' invocation. + * @member {boolean} Scope#directCallToEvalScope + */ + this.directCallToEvalScope = false; + /** + * @member {boolean} Scope#thisFound + */ + this.thisFound = false; + body = this.type === 'function' ? block.body : block; + if (opt.naming) { + this.__define(block.id, { + type: Variable.FunctionName, + name: block.id, + node: block + }); + this.functionExpressionScope = true; + } else { + if (this.type === 'function') { + variable = new Variable('arguments', this); + this.taints.set('arguments', true); + this.set.set('arguments', variable); + this.variables.push(variable); + } + + if (block.type === Syntax.FunctionExpression && block.id) { + new Scope(block, { naming: true }); + } + } + + /** + * Reference to the parent {@link Scope|scope}. + * @member {Scope} Scope#upper + */ + this.upper = currentScope; + /** + * Whether 'use strict' is in effect in this scope. + * @member {boolean} Scope#isStrict + */ + this.isStrict = isStrictScope(this, block); + + /** + * List of nested {@link Scope}s. + * @member {Scope[]} Scope#childScopes + */ + this.childScopes = []; + if (currentScope) { + currentScope.childScopes.push(this); + } + + + // RAII + currentScope = this; + if (this.type === 'global') { + globalScope = this; + globalScope.implicit = { + set: new Map(), + variables: [] + }; + } + scopes.push(this); + } + + Scope.prototype.__close = function __close() { + var i, iz, ref, current, node, implicit; + + // Because if this is global environment, upper is null + if (!this.dynamic || options.optimistic) { + // static resolve + for (i = 0, iz = this.left.length; i < iz; ++i) { + ref = this.left[i]; + if (!this.__resolve(ref)) { + this.__delegateToUpperScope(ref); + } + } + } else { + // this is "global" / "with" / "function with eval" environment + if (this.type === 'with') { + for (i = 0, iz = this.left.length; i < iz; ++i) { + ref = this.left[i]; + ref.tainted = true; + this.__delegateToUpperScope(ref); + } + } else { + for (i = 0, iz = this.left.length; i < iz; ++i) { + // notify all names are through to global + ref = this.left[i]; + current = this; + do { + current.through.push(ref); + current = current.upper; + } while (current); + } + } + } + + if (this.type === 'global') { + implicit = []; + for (i = 0, iz = this.left.length; i < iz; ++i) { + ref = this.left[i]; + if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) { + implicit.push(ref.__maybeImplicitGlobal); + } + } + + // create an implicit global variable from assignment expression + for (i = 0, iz = implicit.length; i < iz; ++i) { + node = implicit[i]; + this.__defineImplicit(node.left, { + type: Variable.ImplicitGlobalVariable, + name: node.left, + node: node + }); + } + } + + this.left = null; + currentScope = this.upper; + }; + + Scope.prototype.__resolve = function __resolve(ref) { + var variable, name; + name = ref.identifier.name; + if (this.set.has(name)) { + variable = this.set.get(name); + variable.references.push(ref); + variable.stack = variable.stack && ref.from.variableScope === this.variableScope; + if (ref.tainted) { + variable.tainted = true; + this.taints.set(variable.name, true); + } + ref.resolved = variable; + return true; + } + return false; + }; + + Scope.prototype.__delegateToUpperScope = function __delegateToUpperScope(ref) { + if (this.upper) { + this.upper.left.push(ref); + } + this.through.push(ref); + }; + + Scope.prototype.__defineImplicit = function __defineImplicit(node, info) { + var name, variable; + if (node && node.type === Syntax.Identifier) { + name = node.name; + if (!this.implicit.set.has(name)) { + variable = new Variable(name, this); + variable.identifiers.push(node); + variable.defs.push(info); + this.implicit.set.set(name, variable); + this.implicit.variables.push(variable); + } else { + variable = this.implicit.set.get(name); + variable.identifiers.push(node); + variable.defs.push(info); + } + } + }; + + Scope.prototype.__define = function __define(node, info) { + var name, variable; + if (node && node.type === Syntax.Identifier) { + name = node.name; + if (!this.set.has(name)) { + variable = new Variable(name, this); + variable.identifiers.push(node); + variable.defs.push(info); + this.set.set(name, variable); + this.variables.push(variable); + } else { + variable = this.set.get(name); + variable.identifiers.push(node); + variable.defs.push(info); + } + } + }; + + Scope.prototype.__referencing = function __referencing(node, assign, writeExpr, maybeImplicitGlobal) { + var ref; + // because Array element may be null + if (node && node.type === Syntax.Identifier) { + ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal); + this.references.push(ref); + this.left.push(ref); + } + }; + + Scope.prototype.__detectEval = function __detectEval() { + var current; + current = this; + this.directCallToEvalScope = true; + do { + current.dynamic = true; + current = current.upper; + } while (current); + }; + + Scope.prototype.__detectThis = function __detectThis() { + this.thisFound = true; + }; + + Scope.prototype.__isClosed = function isClosed() { + return this.left === null; + }; + + // API Scope#resolve(name) + // returns resolved reference + Scope.prototype.resolve = function resolve(ident) { + var ref, i, iz; + assert(this.__isClosed(), 'scope should be closed'); + assert(ident.type === Syntax.Identifier, 'target should be identifier'); + for (i = 0, iz = this.references.length; i < iz; ++i) { + ref = this.references[i]; + if (ref.identifier === ident) { + return ref; + } + } + return null; + }; + + // API Scope#isStatic + // returns this scope is static + Scope.prototype.isStatic = function isStatic() { + return !this.dynamic; + }; + + // API Scope#isArgumentsMaterialized + // return this scope has materialized arguments + Scope.prototype.isArgumentsMaterialized = function isArgumentsMaterialized() { + // TODO(Constellation) + // We can more aggressive on this condition like this. + // + // function t() { + // // arguments of t is always hidden. + // function arguments() { + // } + // } + var variable; + + // This is not function scope + if (this.type !== 'function') { + return true; + } + + if (!this.isStatic()) { + return true; + } + + variable = this.set.get('arguments'); + assert(variable, 'always have arguments variable'); + return variable.tainted || variable.references.length !== 0; + }; + + // API Scope#isThisMaterialized + // return this scope has materialized `this` reference + Scope.prototype.isThisMaterialized = function isThisMaterialized() { + // This is not function scope + if (this.type !== 'function') { + return true; + } + if (!this.isStatic()) { + return true; + } + return this.thisFound; + }; + + Scope.mangledName = '__$escope$__'; + + Scope.prototype.attach = function attach() { + if (!this.functionExpressionScope) { + this.block[Scope.mangledName] = this; + } + }; + + Scope.prototype.detach = function detach() { + if (!this.functionExpressionScope) { + delete this.block[Scope.mangledName]; + } + }; + + Scope.prototype.isUsedName = function (name) { + if (this.set.has(name)) { + return true; + } + for (var i = 0, iz = this.through.length; i < iz; ++i) { + if (this.through[i].identifier.name === name) { + return true; + } + } + return false; + }; + + /** + * @class ScopeManager + */ + function ScopeManager(scopes) { + this.scopes = scopes; + this.attached = false; + } + + // Returns appropliate scope for this node + ScopeManager.prototype.__get = function __get(node) { + var i, iz, scope; + if (this.attached) { + return node[Scope.mangledName] || null; + } + if (Scope.isScopeRequired(node)) { + for (i = 0, iz = this.scopes.length; i < iz; ++i) { + scope = this.scopes[i]; + if (!scope.functionExpressionScope) { + if (scope.block === node) { + return scope; + } + } + } + } + return null; + }; + + ScopeManager.prototype.acquire = function acquire(node) { + return this.__get(node); + }; + + ScopeManager.prototype.release = function release(node) { + var scope = this.__get(node); + if (scope) { + scope = scope.upper; + while (scope) { + if (!scope.functionExpressionScope) { + return scope; + } + scope = scope.upper; + } + } + return null; + }; + + ScopeManager.prototype.attach = function attach() { + var i, iz; + for (i = 0, iz = this.scopes.length; i < iz; ++i) { + this.scopes[i].attach(); + } + this.attached = true; + }; + + ScopeManager.prototype.detach = function detach() { + var i, iz; + for (i = 0, iz = this.scopes.length; i < iz; ++i) { + this.scopes[i].detach(); + } + this.attached = false; + }; + + Scope.isScopeRequired = function isScopeRequired(node) { + return Scope.isVariableScopeRequired(node) || node.type === Syntax.WithStatement || node.type === Syntax.CatchClause; + }; + + Scope.isVariableScopeRequired = function isVariableScopeRequired(node) { + return node.type === Syntax.Program || node.type === Syntax.FunctionExpression || node.type === Syntax.FunctionDeclaration; + }; + + /** + * Main interface function. Takes an Esprima syntax tree and returns the + * analyzed scopes. + * @function analyze + * @param {esprima.Tree} tree + * @param {Object} providedOptions - Options that tailor the scope analysis + * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag + * @param {boolean} [providedOptions.directive=false]- the directive flag + * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls + * @return {ScopeManager} + */ + function analyze(tree, providedOptions) { + var resultScopes; + + options = updateDeeply(defaultOptions(), providedOptions); + resultScopes = scopes = []; + currentScope = null; + globalScope = null; + + // attach scope and collect / resolve names + estraverse.traverse(tree, { + enter: function enter(node) { + var i, iz, decl; + if (Scope.isScopeRequired(node)) { + new Scope(node, {}); + } + + switch (node.type) { + case Syntax.AssignmentExpression: + if (node.operator === '=') { + currentScope.__referencing(node.left, Reference.WRITE, node.right, (!currentScope.isStrict && node.left.name != null) && node); + } else { + currentScope.__referencing(node.left, Reference.RW, node.right); + } + currentScope.__referencing(node.right); + break; + + case Syntax.ArrayExpression: + for (i = 0, iz = node.elements.length; i < iz; ++i) { + currentScope.__referencing(node.elements[i]); + } + break; + + case Syntax.BlockStatement: + break; + + case Syntax.BinaryExpression: + currentScope.__referencing(node.left); + currentScope.__referencing(node.right); + break; + + case Syntax.BreakStatement: + break; + + case Syntax.CallExpression: + currentScope.__referencing(node.callee); + for (i = 0, iz = node['arguments'].length; i < iz; ++i) { + currentScope.__referencing(node['arguments'][i]); + } + + // check this is direct call to eval + if (!options.ignoreEval && node.callee.type === Syntax.Identifier && node.callee.name === 'eval') { + currentScope.variableScope.__detectEval(); + } + break; + + case Syntax.CatchClause: + currentScope.__define(node.param, { + type: Variable.CatchClause, + name: node.param, + node: node + }); + break; + + case Syntax.ConditionalExpression: + currentScope.__referencing(node.test); + currentScope.__referencing(node.consequent); + currentScope.__referencing(node.alternate); + break; + + case Syntax.ContinueStatement: + break; + + case Syntax.DirectiveStatement: + break; + + case Syntax.DoWhileStatement: + currentScope.__referencing(node.test); + break; + + case Syntax.DebuggerStatement: + break; + + case Syntax.EmptyStatement: + break; + + case Syntax.ExpressionStatement: + currentScope.__referencing(node.expression); + break; + + case Syntax.ForStatement: + currentScope.__referencing(node.init); + currentScope.__referencing(node.test); + currentScope.__referencing(node.update); + break; + + case Syntax.ForInStatement: + if (node.left.type === Syntax.VariableDeclaration) { + currentScope.__referencing(node.left.declarations[0].id, Reference.WRITE, null, false); + } else { + currentScope.__referencing(node.left, Reference.WRITE, null, (!currentScope.isStrict && node.left.name != null) && node); + } + currentScope.__referencing(node.right); + break; + + case Syntax.FunctionDeclaration: + // FunctionDeclaration name is defined in upper scope + currentScope.upper.__define(node.id, { + type: Variable.FunctionName, + name: node.id, + node: node + }); + for (i = 0, iz = node.params.length; i < iz; ++i) { + currentScope.__define(node.params[i], { + type: Variable.Parameter, + name: node.params[i], + node: node, + index: i + }); + } + break; + + case Syntax.FunctionExpression: + // id is defined in upper scope + for (i = 0, iz = node.params.length; i < iz; ++i) { + currentScope.__define(node.params[i], { + type: Variable.Parameter, + name: node.params[i], + node: node, + index: i + }); + } + break; + + case Syntax.Identifier: + break; + + case Syntax.IfStatement: + currentScope.__referencing(node.test); + break; + + case Syntax.Literal: + break; + + case Syntax.LabeledStatement: + break; + + case Syntax.LogicalExpression: + currentScope.__referencing(node.left); + currentScope.__referencing(node.right); + break; + + case Syntax.MemberExpression: + currentScope.__referencing(node.object); + if (node.computed) { + currentScope.__referencing(node.property); + } + break; + + case Syntax.NewExpression: + currentScope.__referencing(node.callee); + for (i = 0, iz = node['arguments'].length; i < iz; ++i) { + currentScope.__referencing(node['arguments'][i]); + } + break; + + case Syntax.ObjectExpression: + break; + + case Syntax.Program: + break; + + case Syntax.Property: + currentScope.__referencing(node.value); + break; + + case Syntax.ReturnStatement: + currentScope.__referencing(node.argument); + break; + + case Syntax.SequenceExpression: + for (i = 0, iz = node.expressions.length; i < iz; ++i) { + currentScope.__referencing(node.expressions[i]); + } + break; + + case Syntax.SwitchStatement: + currentScope.__referencing(node.discriminant); + break; + + case Syntax.SwitchCase: + currentScope.__referencing(node.test); + break; + + case Syntax.ThisExpression: + currentScope.variableScope.__detectThis(); + break; + + case Syntax.ThrowStatement: + currentScope.__referencing(node.argument); + break; + + case Syntax.TryStatement: + break; + + case Syntax.UnaryExpression: + currentScope.__referencing(node.argument); + break; + + case Syntax.UpdateExpression: + currentScope.__referencing(node.argument, Reference.RW, null); + break; + + case Syntax.VariableDeclaration: + for (i = 0, iz = node.declarations.length; i < iz; ++i) { + decl = node.declarations[i]; + currentScope.variableScope.__define(decl.id, { + type: Variable.Variable, + name: decl.id, + node: decl, + index: i, + parent: node + }); + if (decl.init) { + // initializer is found + currentScope.__referencing(decl.id, Reference.WRITE, decl.init, false); + currentScope.__referencing(decl.init); + } + } + break; + + case Syntax.VariableDeclarator: + break; + + case Syntax.WhileStatement: + currentScope.__referencing(node.test); + break; + + case Syntax.WithStatement: + // WithStatement object is referenced at upper scope + currentScope.upper.__referencing(node.object); + break; + } + }, + + leave: function leave(node) { + while (currentScope && node === currentScope.block) { + currentScope.__close(); + } + } + }); + + assert(currentScope === null); + globalScope = null; + scopes = null; + options = null; + + return new ScopeManager(resultScopes); + } + + /** @name module:escope.version */ + exports.version = '1.0.1'; + /** @name module:escope.Reference */ + exports.Reference = Reference; + /** @name module:escope.Variable */ + exports.Variable = Variable; + /** @name module:escope.Scope */ + exports.Scope = Scope; + /** @name module:escope.ScopeManager */ + exports.ScopeManager = ScopeManager; + /** @name module:escope.analyze */ + exports.analyze = analyze; +}, this)); +/* vim: set sw=4 ts=4 et tw=80 : */ + +},{"estraverse":7}],6:[function(require,module,exports){ +/* + Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com> + Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com> + Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be> + Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com> + Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be> + Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl> + Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com> + Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com> + Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com> + Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/*jslint bitwise:true plusplus:true */ +/*global esprima:true, define:true, exports:true, window: true, +throwErrorTolerant: true, +throwError: true, generateStatement: true, peek: true, +parseAssignmentExpression: true, parseBlock: true, parseExpression: true, +parseFunctionDeclaration: true, parseFunctionExpression: true, +parseFunctionSourceElements: true, parseVariableIdentifier: true, +parseLeftHandSideExpression: true, +parseUnaryExpression: true, +parseStatement: true, parseSourceElement: true */ + +(function (root, factory) { + 'use strict'; + + // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, + // Rhino, and plain browser loading. + + /* istanbul ignore next */ + if (typeof define === 'function' && define.amd) { + define(['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory((root.esprima = {})); + } +}(this, function (exports) { + 'use strict'; + + var Token, + TokenName, + FnExprTokens, + Syntax, + PropertyKind, + Messages, + Regex, + SyntaxTreeDelegate, + source, + strict, + index, + lineNumber, + lineStart, + length, + delegate, + lookahead, + state, + extra; + + Token = { + BooleanLiteral: 1, + EOF: 2, + Identifier: 3, + Keyword: 4, + NullLiteral: 5, + NumericLiteral: 6, + Punctuator: 7, + StringLiteral: 8, + RegularExpression: 9 + }; + + TokenName = {}; + TokenName[Token.BooleanLiteral] = 'Boolean'; + TokenName[Token.EOF] = '<end>'; + TokenName[Token.Identifier] = 'Identifier'; + TokenName[Token.Keyword] = 'Keyword'; + TokenName[Token.NullLiteral] = 'Null'; + TokenName[Token.NumericLiteral] = 'Numeric'; + TokenName[Token.Punctuator] = 'Punctuator'; + TokenName[Token.StringLiteral] = 'String'; + TokenName[Token.RegularExpression] = 'RegularExpression'; + + // A function following one of those tokens is an expression. + FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new', + 'return', 'case', 'delete', 'throw', 'void', + // assignment operators + '=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=', + '&=', '|=', '^=', ',', + // binary/unary operators + '+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&', + '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=', + '<=', '<', '>', '!=', '!==']; + + Syntax = { + AssignmentExpression: 'AssignmentExpression', + ArrayExpression: 'ArrayExpression', + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DoWhileStatement: 'DoWhileStatement', + DebuggerStatement: 'DebuggerStatement', + EmptyStatement: 'EmptyStatement', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForInStatement: 'ForInStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + Identifier: 'Identifier', + IfStatement: 'IfStatement', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + Program: 'Program', + Property: 'Property', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SwitchStatement: 'SwitchStatement', + SwitchCase: 'SwitchCase', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement' + }; + + PropertyKind = { + Data: 1, + Get: 2, + Set: 4 + }; + + // Error messages should be identical to V8. + Messages = { + UnexpectedToken: 'Unexpected token %0', + UnexpectedNumber: 'Unexpected number', + UnexpectedString: 'Unexpected string', + UnexpectedIdentifier: 'Unexpected identifier', + UnexpectedReserved: 'Unexpected reserved word', + UnexpectedEOS: 'Unexpected end of input', + NewlineAfterThrow: 'Illegal newline after throw', + InvalidRegExp: 'Invalid regular expression', + UnterminatedRegExp: 'Invalid regular expression: missing /', + InvalidLHSInAssignment: 'Invalid left-hand side in assignment', + InvalidLHSInForIn: 'Invalid left-hand side in for-in', + MultipleDefaultsInSwitch: 'More than one default clause in switch statement', + NoCatchOrFinally: 'Missing catch or finally after try', + UnknownLabel: 'Undefined label \'%0\'', + Redeclaration: '%0 \'%1\' has already been declared', + IllegalContinue: 'Illegal continue statement', + IllegalBreak: 'Illegal break statement', + IllegalReturn: 'Illegal return statement', + StrictModeWith: 'Strict mode code may not include a with statement', + StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode', + StrictVarName: 'Variable name may not be eval or arguments in strict mode', + StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode', + StrictParamDupe: 'Strict mode function may not have duplicate parameter names', + StrictFunctionName: 'Function name may not be eval or arguments in strict mode', + StrictOctalLiteral: 'Octal literals are not allowed in strict mode.', + StrictDelete: 'Delete of an unqualified identifier in strict mode.', + StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode', + AccessorDataProperty: 'Object literal may not have data and accessor property with the same name', + AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name', + StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode', + StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode', + StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode', + StrictReservedWord: 'Use of future reserved word in strict mode' + }; + + // See also tools/generate-unicode-regex.py. + Regex = { + NonAsciiIdentifierStart: new 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+ NonAsciiIdentifierPart: new 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\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]') + }; + + // Ensure the condition is true, otherwise throw an error. + // This is only to have a better contract semantic, i.e. another safety net + // to catch a logic error. The condition shall be fulfilled in normal case. + // Do NOT use this to enforce a certain condition on any user input. + + function assert(condition, message) { + /* istanbul ignore if */ + if (!condition) { + throw new Error('ASSERT: ' + message); + } + } + + function isDecimalDigit(ch) { + return (ch >= 48 && ch <= 57); // 0..9 + } + + function isHexDigit(ch) { + return '0123456789abcdefABCDEF'.indexOf(ch) >= 0; + } + + function isOctalDigit(ch) { + return '01234567'.indexOf(ch) >= 0; + } + + + // 7.2 White Space + + function isWhiteSpace(ch) { + return (ch === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) || + (ch >= 0x1680 && [0x1680, 0x180E, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(ch) >= 0); + } + + // 7.3 Line Terminators + + function isLineTerminator(ch) { + return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029); + } + + // 7.6 Identifier Names and Identifiers + + function isIdentifierStart(ch) { + return (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore) + (ch >= 0x41 && ch <= 0x5A) || // A..Z + (ch >= 0x61 && ch <= 0x7A) || // a..z + (ch === 0x5C) || // \ (backslash) + ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch))); + } + + function isIdentifierPart(ch) { + return (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore) + (ch >= 0x41 && ch <= 0x5A) || // A..Z + (ch >= 0x61 && ch <= 0x7A) || // a..z + (ch >= 0x30 && ch <= 0x39) || // 0..9 + (ch === 0x5C) || // \ (backslash) + ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch))); + } + + // 7.6.1.2 Future Reserved Words + + function isFutureReservedWord(id) { + switch (id) { + case 'class': + case 'enum': + case 'export': + case 'extends': + case 'import': + case 'super': + return true; + default: + return false; + } + } + + function isStrictModeReservedWord(id) { + switch (id) { + case 'implements': + case 'interface': + case 'package': + case 'private': + case 'protected': + case 'public': + case 'static': + case 'yield': + case 'let': + return true; + default: + return false; + } + } + + function isRestrictedWord(id) { + return id === 'eval' || id === 'arguments'; + } + + // 7.6.1.1 Keywords + + function isKeyword(id) { + if (strict && isStrictModeReservedWord(id)) { + return true; + } + + // 'const' is specialized as Keyword in V8. + // 'yield' and 'let' are for compatiblity with SpiderMonkey and ES.next. + // Some others are from future reserved words. + + switch (id.length) { + case 2: + return (id === 'if') || (id === 'in') || (id === 'do'); + case 3: + return (id === 'var') || (id === 'for') || (id === 'new') || + (id === 'try') || (id === 'let'); + case 4: + return (id === 'this') || (id === 'else') || (id === 'case') || + (id === 'void') || (id === 'with') || (id === 'enum'); + case 5: + return (id === 'while') || (id === 'break') || (id === 'catch') || + (id === 'throw') || (id === 'const') || (id === 'yield') || + (id === 'class') || (id === 'super'); + case 6: + return (id === 'return') || (id === 'typeof') || (id === 'delete') || + (id === 'switch') || (id === 'export') || (id === 'import'); + case 7: + return (id === 'default') || (id === 'finally') || (id === 'extends'); + case 8: + return (id === 'function') || (id === 'continue') || (id === 'debugger'); + case 10: + return (id === 'instanceof'); + default: + return false; + } + } + + // 7.4 Comments + + function addComment(type, value, start, end, loc) { + var comment, attacher; + + assert(typeof start === 'number', 'Comment must have valid position'); + + // Because the way the actual token is scanned, often the comments + // (if any) are skipped twice during the lexical analysis. + // Thus, we need to skip adding a comment if the comment array already + // handled it. + if (state.lastCommentStart >= start) { + return; + } + state.lastCommentStart = start; + + comment = { + type: type, + value: value + }; + if (extra.range) { + comment.range = [start, end]; + } + if (extra.loc) { + comment.loc = loc; + } + extra.comments.push(comment); + if (extra.attachComment) { + extra.leadingComments.push(comment); + extra.trailingComments.push(comment); + } + } + + function skipSingleLineComment(offset) { + var start, loc, ch, comment; + + start = index - offset; + loc = { + start: { + line: lineNumber, + column: index - lineStart - offset + } + }; + + while (index < length) { + ch = source.charCodeAt(index); + ++index; + if (isLineTerminator(ch)) { + if (extra.comments) { + comment = source.slice(start + offset, index - 1); + loc.end = { + line: lineNumber, + column: index - lineStart - 1 + }; + addComment('Line', comment, start, index - 1, loc); + } + if (ch === 13 && source.charCodeAt(index) === 10) { + ++index; + } + ++lineNumber; + lineStart = index; + return; + } + } + + if (extra.comments) { + comment = source.slice(start + offset, index); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + addComment('Line', comment, start, index, loc); + } + } + + function skipMultiLineComment() { + var start, loc, ch, comment; + + if (extra.comments) { + start = index - 2; + loc = { + start: { + line: lineNumber, + column: index - lineStart - 2 + } + }; + } + + while (index < length) { + ch = source.charCodeAt(index); + if (isLineTerminator(ch)) { + if (ch === 0x0D && source.charCodeAt(index + 1) === 0x0A) { + ++index; + } + ++lineNumber; + ++index; + lineStart = index; + if (index >= length) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } else if (ch === 0x2A) { + // Block comment ends with '*/'. + if (source.charCodeAt(index + 1) === 0x2F) { + ++index; + ++index; + if (extra.comments) { + comment = source.slice(start + 2, index - 2); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + addComment('Block', comment, start, index, loc); + } + return; + } + ++index; + } else { + ++index; + } + } + + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + function skipComment() { + var ch, start; + + start = (index === 0); + while (index < length) { + ch = source.charCodeAt(index); + + if (isWhiteSpace(ch)) { + ++index; + } else if (isLineTerminator(ch)) { + ++index; + if (ch === 0x0D && source.charCodeAt(index) === 0x0A) { + ++index; + } + ++lineNumber; + lineStart = index; + start = true; + } else if (ch === 0x2F) { // U+002F is '/' + ch = source.charCodeAt(index + 1); + if (ch === 0x2F) { + ++index; + ++index; + skipSingleLineComment(2); + start = true; + } else if (ch === 0x2A) { // U+002A is '*' + ++index; + ++index; + skipMultiLineComment(); + } else { + break; + } + } else if (start && ch === 0x2D) { // U+002D is '-' + // U+003E is '>' + if ((source.charCodeAt(index + 1) === 0x2D) && (source.charCodeAt(index + 2) === 0x3E)) { + // '-->' is a single-line comment + index += 3; + skipSingleLineComment(3); + } else { + break; + } + } else if (ch === 0x3C) { // U+003C is '<' + if (source.slice(index + 1, index + 4) === '!--') { + ++index; // `<` + ++index; // `!` + ++index; // `-` + ++index; // `-` + skipSingleLineComment(4); + } else { + break; + } + } else { + break; + } + } + } + + function scanHexEscape(prefix) { + var i, len, ch, code = 0; + + len = (prefix === 'u') ? 4 : 2; + for (i = 0; i < len; ++i) { + if (index < length && isHexDigit(source[index])) { + ch = source[index++]; + code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase()); + } else { + return ''; + } + } + return String.fromCharCode(code); + } + + function getEscapedIdentifier() { + var ch, id; + + ch = source.charCodeAt(index++); + id = String.fromCharCode(ch); + + // '\u' (U+005C, U+0075) denotes an escaped character. + if (ch === 0x5C) { + if (source.charCodeAt(index) !== 0x75) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + ++index; + ch = scanHexEscape('u'); + if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + id = ch; + } + + while (index < length) { + ch = source.charCodeAt(index); + if (!isIdentifierPart(ch)) { + break; + } + ++index; + id += String.fromCharCode(ch); + + // '\u' (U+005C, U+0075) denotes an escaped character. + if (ch === 0x5C) { + id = id.substr(0, id.length - 1); + if (source.charCodeAt(index) !== 0x75) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + ++index; + ch = scanHexEscape('u'); + if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + id += ch; + } + } + + return id; + } + + function getIdentifier() { + var start, ch; + + start = index++; + while (index < length) { + ch = source.charCodeAt(index); + if (ch === 0x5C) { + // Blackslash (U+005C) marks Unicode escape sequence. + index = start; + return getEscapedIdentifier(); + } + if (isIdentifierPart(ch)) { + ++index; + } else { + break; + } + } + + return source.slice(start, index); + } + + function scanIdentifier() { + var start, id, type; + + start = index; + + // Backslash (U+005C) starts an escaped character. + id = (source.charCodeAt(index) === 0x5C) ? getEscapedIdentifier() : getIdentifier(); + + // There is no keyword or literal with only one character. + // Thus, it must be an identifier. + if (id.length === 1) { + type = Token.Identifier; + } else if (isKeyword(id)) { + type = Token.Keyword; + } else if (id === 'null') { + type = Token.NullLiteral; + } else if (id === 'true' || id === 'false') { + type = Token.BooleanLiteral; + } else { + type = Token.Identifier; + } + + return { + type: type, + value: id, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + + // 7.7 Punctuators + + function scanPunctuator() { + var start = index, + code = source.charCodeAt(index), + code2, + ch1 = source[index], + ch2, + ch3, + ch4; + + switch (code) { + + // Check for most common single-character punctuators. + case 0x2E: // . dot + case 0x28: // ( open bracket + case 0x29: // ) close bracket + case 0x3B: // ; semicolon + case 0x2C: // , comma + case 0x7B: // { open curly brace + case 0x7D: // } close curly brace + case 0x5B: // [ + case 0x5D: // ] + case 0x3A: // : + case 0x3F: // ? + case 0x7E: // ~ + ++index; + if (extra.tokenize) { + if (code === 0x28) { + extra.openParenToken = extra.tokens.length; + } else if (code === 0x7B) { + extra.openCurlyToken = extra.tokens.length; + } + } + return { + type: Token.Punctuator, + value: String.fromCharCode(code), + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + + default: + code2 = source.charCodeAt(index + 1); + + // '=' (U+003D) marks an assignment or comparison operator. + if (code2 === 0x3D) { + switch (code) { + case 0x2B: // + + case 0x2D: // - + case 0x2F: // / + case 0x3C: // < + case 0x3E: // > + case 0x5E: // ^ + case 0x7C: // | + case 0x25: // % + case 0x26: // & + case 0x2A: // * + index += 2; + return { + type: Token.Punctuator, + value: String.fromCharCode(code) + String.fromCharCode(code2), + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + + case 0x21: // ! + case 0x3D: // = + index += 2; + + // !== and === + if (source.charCodeAt(index) === 0x3D) { + ++index; + } + return { + type: Token.Punctuator, + value: source.slice(start, index), + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + } + } + + // 4-character punctuator: >>>= + + ch4 = source.substr(index, 4); + + if (ch4 === '>>>=') { + index += 4; + return { + type: Token.Punctuator, + value: ch4, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + // 3-character punctuators: === !== >>> <<= >>= + + ch3 = ch4.substr(0, 3); + + if (ch3 === '>>>' || ch3 === '<<=' || ch3 === '>>=') { + index += 3; + return { + type: Token.Punctuator, + value: ch3, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + // Other 2-character punctuators: ++ -- << >> && || + ch2 = ch3.substr(0, 2); + + if ((ch1 === ch2[1] && ('+-<>&|'.indexOf(ch1) >= 0)) || ch2 === '=>') { + index += 2; + return { + type: Token.Punctuator, + value: ch2, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + // 1-character punctuators: < > = ! + - * % & | ^ / + if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) { + ++index; + return { + type: Token.Punctuator, + value: ch1, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + // 7.8.3 Numeric Literals + + function scanHexLiteral(start) { + var number = ''; + + while (index < length) { + if (!isHexDigit(source[index])) { + break; + } + number += source[index++]; + } + + if (number.length === 0) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + if (isIdentifierStart(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseInt('0x' + number, 16), + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + function scanOctalLiteral(start) { + var number = '0' + source[index++]; + while (index < length) { + if (!isOctalDigit(source[index])) { + break; + } + number += source[index++]; + } + + if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseInt(number, 8), + octal: true, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + function scanNumericLiteral() { + var number, start, ch; + + ch = source[index]; + assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'), + 'Numeric literal must start with a decimal digit or a decimal point'); + + start = index; + number = ''; + if (ch !== '.') { + number = source[index++]; + ch = source[index]; + + // Hex number starts with '0x'. + // Octal number starts with '0'. + if (number === '0') { + if (ch === 'x' || ch === 'X') { + ++index; + return scanHexLiteral(start); + } + if (isOctalDigit(ch)) { + return scanOctalLiteral(start); + } + + // decimal number starts with '0' such as '09' is illegal. + if (ch && isDecimalDigit(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } + + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + ch = source[index]; + } + + if (ch === '.') { + number += source[index++]; + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + ch = source[index]; + } + + if (ch === 'e' || ch === 'E') { + number += source[index++]; + + ch = source[index]; + if (ch === '+' || ch === '-') { + number += source[index++]; + } + if (isDecimalDigit(source.charCodeAt(index))) { + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + } else { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } + + if (isIdentifierStart(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseFloat(number), + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + // 7.8.4 String Literals + + function scanStringLiteral() { + var str = '', quote, start, ch, code, unescaped, restore, octal = false, startLineNumber, startLineStart; + startLineNumber = lineNumber; + startLineStart = lineStart; + + quote = source[index]; + assert((quote === '\'' || quote === '"'), + 'String literal must starts with a quote'); + + start = index; + ++index; + + while (index < length) { + ch = source[index++]; + + if (ch === quote) { + quote = ''; + break; + } else if (ch === '\\') { + ch = source[index++]; + if (!ch || !isLineTerminator(ch.charCodeAt(0))) { + switch (ch) { + case 'u': + case 'x': + restore = index; + unescaped = scanHexEscape(ch); + if (unescaped) { + str += unescaped; + } else { + index = restore; + str += ch; + } + break; + case 'n': + str += '\n'; + break; + case 'r': + str += '\r'; + break; + case 't': + str += '\t'; + break; + case 'b': + str += '\b'; + break; + case 'f': + str += '\f'; + break; + case 'v': + str += '\x0B'; + break; + + default: + if (isOctalDigit(ch)) { + code = '01234567'.indexOf(ch); + + // \0 is not octal escape sequence + if (code !== 0) { + octal = true; + } + + if (index < length && isOctalDigit(source[index])) { + octal = true; + code = code * 8 + '01234567'.indexOf(source[index++]); + + // 3 digits are only allowed when string starts + // with 0, 1, 2, 3 + if ('0123'.indexOf(ch) >= 0 && + index < length && + isOctalDigit(source[index])) { + code = code * 8 + '01234567'.indexOf(source[index++]); + } + } + str += String.fromCharCode(code); + } else { + str += ch; + } + break; + } + } else { + ++lineNumber; + if (ch === '\r' && source[index] === '\n') { + ++index; + } + lineStart = index; + } + } else if (isLineTerminator(ch.charCodeAt(0))) { + break; + } else { + str += ch; + } + } + + if (quote !== '') { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.StringLiteral, + value: str, + octal: octal, + startLineNumber: startLineNumber, + startLineStart: startLineStart, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + function testRegExp(pattern, flags) { + var value; + try { + value = new RegExp(pattern, flags); + } catch (e) { + throwError({}, Messages.InvalidRegExp); + } + return value; + } + + function scanRegExpBody() { + var ch, str, classMarker, terminated, body; + + ch = source[index]; + assert(ch === '/', 'Regular expression literal must start with a slash'); + str = source[index++]; + + classMarker = false; + terminated = false; + while (index < length) { + ch = source[index++]; + str += ch; + if (ch === '\\') { + ch = source[index++]; + // ECMA-262 7.8.5 + if (isLineTerminator(ch.charCodeAt(0))) { + throwError({}, Messages.UnterminatedRegExp); + } + str += ch; + } else if (isLineTerminator(ch.charCodeAt(0))) { + throwError({}, Messages.UnterminatedRegExp); + } else if (classMarker) { + if (ch === ']') { + classMarker = false; + } + } else { + if (ch === '/') { + terminated = true; + break; + } else if (ch === '[') { + classMarker = true; + } + } + } + + if (!terminated) { + throwError({}, Messages.UnterminatedRegExp); + } + + // Exclude leading and trailing slash. + body = str.substr(1, str.length - 2); + return { + value: body, + literal: str + }; + } + + function scanRegExpFlags() { + var ch, str, flags, restore; + + str = ''; + flags = ''; + while (index < length) { + ch = source[index]; + if (!isIdentifierPart(ch.charCodeAt(0))) { + break; + } + + ++index; + if (ch === '\\' && index < length) { + ch = source[index]; + if (ch === 'u') { + ++index; + restore = index; + ch = scanHexEscape('u'); + if (ch) { + flags += ch; + for (str += '\\u'; restore < index; ++restore) { + str += source[restore]; + } + } else { + index = restore; + flags += 'u'; + str += '\\u'; + } + throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL'); + } else { + str += '\\'; + throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } else { + flags += ch; + str += ch; + } + } + + return { + value: flags, + literal: str + }; + } + + function scanRegExp() { + var start, body, flags, pattern, value; + + lookahead = null; + skipComment(); + start = index; + + body = scanRegExpBody(); + flags = scanRegExpFlags(); + value = testRegExp(body.value, flags.value); + + if (extra.tokenize) { + return { + type: Token.RegularExpression, + value: value, + lineNumber: lineNumber, + lineStart: lineStart, + start: start, + end: index + }; + } + + return { + literal: body.literal + flags.literal, + value: value, + start: start, + end: index + }; + } + + function collectRegex() { + var pos, loc, regex, token; + + skipComment(); + + pos = index; + loc = { + start: { + line: lineNumber, + column: index - lineStart + } + }; + + regex = scanRegExp(); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + + /* istanbul ignore next */ + if (!extra.tokenize) { + // Pop the previous token, which is likely '/' or '/=' + if (extra.tokens.length > 0) { + token = extra.tokens[extra.tokens.length - 1]; + if (token.range[0] === pos && token.type === 'Punctuator') { + if (token.value === '/' || token.value === '/=') { + extra.tokens.pop(); + } + } + } + + extra.tokens.push({ + type: 'RegularExpression', + value: regex.literal, + range: [pos, index], + loc: loc + }); + } + + return regex; + } + + function isIdentifierName(token) { + return token.type === Token.Identifier || + token.type === Token.Keyword || + token.type === Token.BooleanLiteral || + token.type === Token.NullLiteral; + } + + function advanceSlash() { + var prevToken, + checkToken; + // Using the following algorithm: + // https://github.com/mozilla/sweet.js/wiki/design + prevToken = extra.tokens[extra.tokens.length - 1]; + if (!prevToken) { + // Nothing before that: it cannot be a division. + return collectRegex(); + } + if (prevToken.type === 'Punctuator') { + if (prevToken.value === ']') { + return scanPunctuator(); + } + if (prevToken.value === ')') { + checkToken = extra.tokens[extra.openParenToken - 1]; + if (checkToken && + checkToken.type === 'Keyword' && + (checkToken.value === 'if' || + checkToken.value === 'while' || + checkToken.value === 'for' || + checkToken.value === 'with')) { + return collectRegex(); + } + return scanPunctuator(); + } + if (prevToken.value === '}') { + // Dividing a function by anything makes little sense, + // but we have to check for that. + if (extra.tokens[extra.openCurlyToken - 3] && + extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') { + // Anonymous function. + checkToken = extra.tokens[extra.openCurlyToken - 4]; + if (!checkToken) { + return scanPunctuator(); + } + } else if (extra.tokens[extra.openCurlyToken - 4] && + extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') { + // Named function. + checkToken = extra.tokens[extra.openCurlyToken - 5]; + if (!checkToken) { + return collectRegex(); + } + } else { + return scanPunctuator(); + } + // checkToken determines whether the function is + // a declaration or an expression. + if (FnExprTokens.indexOf(checkToken.value) >= 0) { + // It is an expression. + return scanPunctuator(); + } + // It is a declaration. + return collectRegex(); + } + return collectRegex(); + } + if (prevToken.type === 'Keyword') { + return collectRegex(); + } + return scanPunctuator(); + } + + function advance() { + var ch; + + skipComment(); + + if (index >= length) { + return { + type: Token.EOF, + lineNumber: lineNumber, + lineStart: lineStart, + start: index, + end: index + }; + } + + ch = source.charCodeAt(index); + + if (isIdentifierStart(ch)) { + return scanIdentifier(); + } + + // Very common: ( and ) and ; + if (ch === 0x28 || ch === 0x29 || ch === 0x3B) { + return scanPunctuator(); + } + + // String literal starts with single quote (U+0027) or double quote (U+0022). + if (ch === 0x27 || ch === 0x22) { + return scanStringLiteral(); + } + + + // Dot (.) U+002E can also start a floating-point number, hence the need + // to check the next character. + if (ch === 0x2E) { + if (isDecimalDigit(source.charCodeAt(index + 1))) { + return scanNumericLiteral(); + } + return scanPunctuator(); + } + + if (isDecimalDigit(ch)) { + return scanNumericLiteral(); + } + + // Slash (/) U+002F can also start a regex. + if (extra.tokenize && ch === 0x2F) { + return advanceSlash(); + } + + return scanPunctuator(); + } + + function collectToken() { + var loc, token, range, value; + + skipComment(); + loc = { + start: { + line: lineNumber, + column: index - lineStart + } + }; + + token = advance(); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + + if (token.type !== Token.EOF) { + value = source.slice(token.start, token.end); + extra.tokens.push({ + type: TokenName[token.type], + value: value, + range: [token.start, token.end], + loc: loc + }); + } + + return token; + } + + function lex() { + var token; + + token = lookahead; + index = token.end; + lineNumber = token.lineNumber; + lineStart = token.lineStart; + + lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance(); + + index = token.end; + lineNumber = token.lineNumber; + lineStart = token.lineStart; + + return token; + } + + function peek() { + var pos, line, start; + + pos = index; + line = lineNumber; + start = lineStart; + lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance(); + index = pos; + lineNumber = line; + lineStart = start; + } + + function Position(line, column) { + this.line = line; + this.column = column; + } + + function SourceLocation(startLine, startColumn, line, column) { + this.start = new Position(startLine, startColumn); + this.end = new Position(line, column); + } + + SyntaxTreeDelegate = { + + name: 'SyntaxTree', + + processComment: function (node) { + var lastChild, trailingComments; + + if (node.type === Syntax.Program) { + if (node.body.length > 0) { + return; + } + } + + if (extra.trailingComments.length > 0) { + if (extra.trailingComments[0].range[0] >= node.range[1]) { + trailingComments = extra.trailingComments; + extra.trailingComments = []; + } else { + extra.trailingComments.length = 0; + } + } else { + if (extra.bottomRightStack.length > 0 && + extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments && + extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments[0].range[0] >= node.range[1]) { + trailingComments = extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments; + delete extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments; + } + } + + // Eating the stack. + while (extra.bottomRightStack.length > 0 && extra.bottomRightStack[extra.bottomRightStack.length - 1].range[0] >= node.range[0]) { + lastChild = extra.bottomRightStack.pop(); + } + + if (lastChild) { + if (lastChild.leadingComments && lastChild.leadingComments[lastChild.leadingComments.length - 1].range[1] <= node.range[0]) { + node.leadingComments = lastChild.leadingComments; + delete lastChild.leadingComments; + } + } else if (extra.leadingComments.length > 0 && extra.leadingComments[extra.leadingComments.length - 1].range[1] <= node.range[0]) { + node.leadingComments = extra.leadingComments; + extra.leadingComments = []; + } + + + if (trailingComments) { + node.trailingComments = trailingComments; + } + + extra.bottomRightStack.push(node); + }, + + markEnd: function (node, startToken) { + if (extra.range) { + node.range = [startToken.start, index]; + } + if (extra.loc) { + node.loc = new SourceLocation( + startToken.startLineNumber === undefined ? startToken.lineNumber : startToken.startLineNumber, + startToken.start - (startToken.startLineStart === undefined ? startToken.lineStart : startToken.startLineStart), + lineNumber, + index - lineStart + ); + this.postProcess(node); + } + + if (extra.attachComment) { + this.processComment(node); + } + return node; + }, + + postProcess: function (node) { + if (extra.source) { + node.loc.source = extra.source; + } + return node; + }, + + createArrayExpression: function (elements) { + return { + type: Syntax.ArrayExpression, + elements: elements + }; + }, + + createAssignmentExpression: function (operator, left, right) { + return { + type: Syntax.AssignmentExpression, + operator: operator, + left: left, + right: right + }; + }, + + createBinaryExpression: function (operator, left, right) { + var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression : + Syntax.BinaryExpression; + return { + type: type, + operator: operator, + left: left, + right: right + }; + }, + + createBlockStatement: function (body) { + return { + type: Syntax.BlockStatement, + body: body + }; + }, + + createBreakStatement: function (label) { + return { + type: Syntax.BreakStatement, + label: label + }; + }, + + createCallExpression: function (callee, args) { + return { + type: Syntax.CallExpression, + callee: callee, + 'arguments': args + }; + }, + + createCatchClause: function (param, body) { + return { + type: Syntax.CatchClause, + param: param, + body: body + }; + }, + + createConditionalExpression: function (test, consequent, alternate) { + return { + type: Syntax.ConditionalExpression, + test: test, + consequent: consequent, + alternate: alternate + }; + }, + + createContinueStatement: function (label) { + return { + type: Syntax.ContinueStatement, + label: label + }; + }, + + createDebuggerStatement: function () { + return { + type: Syntax.DebuggerStatement + }; + }, + + createDoWhileStatement: function (body, test) { + return { + type: Syntax.DoWhileStatement, + body: body, + test: test + }; + }, + + createEmptyStatement: function () { + return { + type: Syntax.EmptyStatement + }; + }, + + createExpressionStatement: function (expression) { + return { + type: Syntax.ExpressionStatement, + expression: expression + }; + }, + + createForStatement: function (init, test, update, body) { + return { + type: Syntax.ForStatement, + init: init, + test: test, + update: update, + body: body + }; + }, + + createForInStatement: function (left, right, body) { + return { + type: Syntax.ForInStatement, + left: left, + right: right, + body: body, + each: false + }; + }, + + createFunctionDeclaration: function (id, params, defaults, body) { + return { + type: Syntax.FunctionDeclaration, + id: id, + params: params, + defaults: defaults, + body: body, + rest: null, + generator: false, + expression: false + }; + }, + + createFunctionExpression: function (id, params, defaults, body) { + return { + type: Syntax.FunctionExpression, + id: id, + params: params, + defaults: defaults, + body: body, + rest: null, + generator: false, + expression: false + }; + }, + + createIdentifier: function (name) { + return { + type: Syntax.Identifier, + name: name + }; + }, + + createIfStatement: function (test, consequent, alternate) { + return { + type: Syntax.IfStatement, + test: test, + consequent: consequent, + alternate: alternate + }; + }, + + createLabeledStatement: function (label, body) { + return { + type: Syntax.LabeledStatement, + label: label, + body: body + }; + }, + + createLiteral: function (token) { + return { + type: Syntax.Literal, + value: token.value, + raw: source.slice(token.start, token.end) + }; + }, + + createMemberExpression: function (accessor, object, property) { + return { + type: Syntax.MemberExpression, + computed: accessor === '[', + object: object, + property: property + }; + }, + + createNewExpression: function (callee, args) { + return { + type: Syntax.NewExpression, + callee: callee, + 'arguments': args + }; + }, + + createObjectExpression: function (properties) { + return { + type: Syntax.ObjectExpression, + properties: properties + }; + }, + + createPostfixExpression: function (operator, argument) { + return { + type: Syntax.UpdateExpression, + operator: operator, + argument: argument, + prefix: false + }; + }, + + createProgram: function (body) { + return { + type: Syntax.Program, + body: body + }; + }, + + createProperty: function (kind, key, value) { + return { + type: Syntax.Property, + key: key, + value: value, + kind: kind + }; + }, + + createReturnStatement: function (argument) { + return { + type: Syntax.ReturnStatement, + argument: argument + }; + }, + + createSequenceExpression: function (expressions) { + return { + type: Syntax.SequenceExpression, + expressions: expressions + }; + }, + + createSwitchCase: function (test, consequent) { + return { + type: Syntax.SwitchCase, + test: test, + consequent: consequent + }; + }, + + createSwitchStatement: function (discriminant, cases) { + return { + type: Syntax.SwitchStatement, + discriminant: discriminant, + cases: cases + }; + }, + + createThisExpression: function () { + return { + type: Syntax.ThisExpression + }; + }, + + createThrowStatement: function (argument) { + return { + type: Syntax.ThrowStatement, + argument: argument + }; + }, + + createTryStatement: function (block, guardedHandlers, handlers, finalizer) { + return { + type: Syntax.TryStatement, + block: block, + guardedHandlers: guardedHandlers, + handlers: handlers, + finalizer: finalizer + }; + }, + + createUnaryExpression: function (operator, argument) { + if (operator === '++' || operator === '--') { + return { + type: Syntax.UpdateExpression, + operator: operator, + argument: argument, + prefix: true + }; + } + return { + type: Syntax.UnaryExpression, + operator: operator, + argument: argument, + prefix: true + }; + }, + + createVariableDeclaration: function (declarations, kind) { + return { + type: Syntax.VariableDeclaration, + declarations: declarations, + kind: kind + }; + }, + + createVariableDeclarator: function (id, init) { + return { + type: Syntax.VariableDeclarator, + id: id, + init: init + }; + }, + + createWhileStatement: function (test, body) { + return { + type: Syntax.WhileStatement, + test: test, + body: body + }; + }, + + createWithStatement: function (object, body) { + return { + type: Syntax.WithStatement, + object: object, + body: body + }; + } + }; + + // Return true if there is a line terminator before the next token. + + function peekLineTerminator() { + var pos, line, start, found; + + pos = index; + line = lineNumber; + start = lineStart; + skipComment(); + found = lineNumber !== line; + index = pos; + lineNumber = line; + lineStart = start; + + return found; + } + + // Throw an exception + + function throwError(token, messageFormat) { + var error, + args = Array.prototype.slice.call(arguments, 2), + msg = messageFormat.replace( + /%(\d)/g, + function (whole, index) { + assert(index < args.length, 'Message reference must be in range'); + return args[index]; + } + ); + + if (typeof token.lineNumber === 'number') { + error = new Error('Line ' + token.lineNumber + ': ' + msg); + error.index = token.start; + error.lineNumber = token.lineNumber; + error.column = token.start - lineStart + 1; + } else { + error = new Error('Line ' + lineNumber + ': ' + msg); + error.index = index; + error.lineNumber = lineNumber; + error.column = index - lineStart + 1; + } + + error.description = msg; + throw error; + } + + function throwErrorTolerant() { + try { + throwError.apply(null, arguments); + } catch (e) { + if (extra.errors) { + extra.errors.push(e); + } else { + throw e; + } + } + } + + + // Throw an exception because of the token. + + function throwUnexpected(token) { + if (token.type === Token.EOF) { + throwError(token, Messages.UnexpectedEOS); + } + + if (token.type === Token.NumericLiteral) { + throwError(token, Messages.UnexpectedNumber); + } + + if (token.type === Token.StringLiteral) { + throwError(token, Messages.UnexpectedString); + } + + if (token.type === Token.Identifier) { + throwError(token, Messages.UnexpectedIdentifier); + } + + if (token.type === Token.Keyword) { + if (isFutureReservedWord(token.value)) { + throwError(token, Messages.UnexpectedReserved); + } else if (strict && isStrictModeReservedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictReservedWord); + return; + } + throwError(token, Messages.UnexpectedToken, token.value); + } + + // BooleanLiteral, NullLiteral, or Punctuator. + throwError(token, Messages.UnexpectedToken, token.value); + } + + // Expect the next token to match the specified punctuator. + // If not, an exception will be thrown. + + function expect(value) { + var token = lex(); + if (token.type !== Token.Punctuator || token.value !== value) { + throwUnexpected(token); + } + } + + // Expect the next token to match the specified keyword. + // If not, an exception will be thrown. + + function expectKeyword(keyword) { + var token = lex(); + if (token.type !== Token.Keyword || token.value !== keyword) { + throwUnexpected(token); + } + } + + // Return true if the next token matches the specified punctuator. + + function match(value) { + return lookahead.type === Token.Punctuator && lookahead.value === value; + } + + // Return true if the next token matches the specified keyword + + function matchKeyword(keyword) { + return lookahead.type === Token.Keyword && lookahead.value === keyword; + } + + // Return true if the next token is an assignment operator + + function matchAssign() { + var op; + + if (lookahead.type !== Token.Punctuator) { + return false; + } + op = lookahead.value; + return op === '=' || + op === '*=' || + op === '/=' || + op === '%=' || + op === '+=' || + op === '-=' || + op === '<<=' || + op === '>>=' || + op === '>>>=' || + op === '&=' || + op === '^=' || + op === '|='; + } + + function consumeSemicolon() { + var line; + + // Catch the very common case first: immediately a semicolon (U+003B). + if (source.charCodeAt(index) === 0x3B || match(';')) { + lex(); + return; + } + + line = lineNumber; + skipComment(); + if (lineNumber !== line) { + return; + } + + if (lookahead.type !== Token.EOF && !match('}')) { + throwUnexpected(lookahead); + } + } + + // Return true if provided expression is LeftHandSideExpression + + function isLeftHandSide(expr) { + return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression; + } + + // 11.1.4 Array Initialiser + + function parseArrayInitialiser() { + var elements = [], startToken; + + startToken = lookahead; + expect('['); + + while (!match(']')) { + if (match(',')) { + lex(); + elements.push(null); + } else { + elements.push(parseAssignmentExpression()); + + if (!match(']')) { + expect(','); + } + } + } + + lex(); + + return delegate.markEnd(delegate.createArrayExpression(elements), startToken); + } + + // 11.1.5 Object Initialiser + + function parsePropertyFunction(param, first) { + var previousStrict, body, startToken; + + previousStrict = strict; + startToken = lookahead; + body = parseFunctionSourceElements(); + if (first && strict && isRestrictedWord(param[0].name)) { + throwErrorTolerant(first, Messages.StrictParamName); + } + strict = previousStrict; + return delegate.markEnd(delegate.createFunctionExpression(null, param, [], body), startToken); + } + + function parseObjectPropertyKey() { + var token, startToken; + + startToken = lookahead; + token = lex(); + + // Note: This function is called only from parseObjectProperty(), where + // EOF and Punctuator tokens are already filtered out. + + if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) { + if (strict && token.octal) { + throwErrorTolerant(token, Messages.StrictOctalLiteral); + } + return delegate.markEnd(delegate.createLiteral(token), startToken); + } + + return delegate.markEnd(delegate.createIdentifier(token.value), startToken); + } + + function parseObjectProperty() { + var token, key, id, value, param, startToken; + + token = lookahead; + startToken = lookahead; + + if (token.type === Token.Identifier) { + + id = parseObjectPropertyKey(); + + // Property Assignment: Getter and Setter. + + if (token.value === 'get' && !match(':')) { + key = parseObjectPropertyKey(); + expect('('); + expect(')'); + value = parsePropertyFunction([]); + return delegate.markEnd(delegate.createProperty('get', key, value), startToken); + } + if (token.value === 'set' && !match(':')) { + key = parseObjectPropertyKey(); + expect('('); + token = lookahead; + if (token.type !== Token.Identifier) { + expect(')'); + throwErrorTolerant(token, Messages.UnexpectedToken, token.value); + value = parsePropertyFunction([]); + } else { + param = [ parseVariableIdentifier() ]; + expect(')'); + value = parsePropertyFunction(param, token); + } + return delegate.markEnd(delegate.createProperty('set', key, value), startToken); + } + expect(':'); + value = parseAssignmentExpression(); + return delegate.markEnd(delegate.createProperty('init', id, value), startToken); + } + if (token.type === Token.EOF || token.type === Token.Punctuator) { + throwUnexpected(token); + } else { + key = parseObjectPropertyKey(); + expect(':'); + value = parseAssignmentExpression(); + return delegate.markEnd(delegate.createProperty('init', key, value), startToken); + } + } + + function parseObjectInitialiser() { + var properties = [], property, name, key, kind, map = {}, toString = String, startToken; + + startToken = lookahead; + + expect('{'); + + while (!match('}')) { + property = parseObjectProperty(); + + if (property.key.type === Syntax.Identifier) { + name = property.key.name; + } else { + name = toString(property.key.value); + } + kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set; + + key = '$' + name; + if (Object.prototype.hasOwnProperty.call(map, key)) { + if (map[key] === PropertyKind.Data) { + if (strict && kind === PropertyKind.Data) { + throwErrorTolerant({}, Messages.StrictDuplicateProperty); + } else if (kind !== PropertyKind.Data) { + throwErrorTolerant({}, Messages.AccessorDataProperty); + } + } else { + if (kind === PropertyKind.Data) { + throwErrorTolerant({}, Messages.AccessorDataProperty); + } else if (map[key] & kind) { + throwErrorTolerant({}, Messages.AccessorGetSet); + } + } + map[key] |= kind; + } else { + map[key] = kind; + } + + properties.push(property); + + if (!match('}')) { + expect(','); + } + } + + expect('}'); + + return delegate.markEnd(delegate.createObjectExpression(properties), startToken); + } + + // 11.1.6 The Grouping Operator + + function parseGroupExpression() { + var expr; + + expect('('); + + expr = parseExpression(); + + expect(')'); + + return expr; + } + + + // 11.1 Primary Expressions + + function parsePrimaryExpression() { + var type, token, expr, startToken; + + if (match('(')) { + return parseGroupExpression(); + } + + if (match('[')) { + return parseArrayInitialiser(); + } + + if (match('{')) { + return parseObjectInitialiser(); + } + + type = lookahead.type; + startToken = lookahead; + + if (type === Token.Identifier) { + expr = delegate.createIdentifier(lex().value); + } else if (type === Token.StringLiteral || type === Token.NumericLiteral) { + if (strict && lookahead.octal) { + throwErrorTolerant(lookahead, Messages.StrictOctalLiteral); + } + expr = delegate.createLiteral(lex()); + } else if (type === Token.Keyword) { + if (matchKeyword('function')) { + return parseFunctionExpression(); + } + if (matchKeyword('this')) { + lex(); + expr = delegate.createThisExpression(); + } else { + throwUnexpected(lex()); + } + } else if (type === Token.BooleanLiteral) { + token = lex(); + token.value = (token.value === 'true'); + expr = delegate.createLiteral(token); + } else if (type === Token.NullLiteral) { + token = lex(); + token.value = null; + expr = delegate.createLiteral(token); + } else if (match('/') || match('/=')) { + if (typeof extra.tokens !== 'undefined') { + expr = delegate.createLiteral(collectRegex()); + } else { + expr = delegate.createLiteral(scanRegExp()); + } + peek(); + } else { + throwUnexpected(lex()); + } + + return delegate.markEnd(expr, startToken); + } + + // 11.2 Left-Hand-Side Expressions + + function parseArguments() { + var args = []; + + expect('('); + + if (!match(')')) { + while (index < length) { + args.push(parseAssignmentExpression()); + if (match(')')) { + break; + } + expect(','); + } + } + + expect(')'); + + return args; + } + + function parseNonComputedProperty() { + var token, startToken; + + startToken = lookahead; + token = lex(); + + if (!isIdentifierName(token)) { + throwUnexpected(token); + } + + return delegate.markEnd(delegate.createIdentifier(token.value), startToken); + } + + function parseNonComputedMember() { + expect('.'); + + return parseNonComputedProperty(); + } + + function parseComputedMember() { + var expr; + + expect('['); + + expr = parseExpression(); + + expect(']'); + + return expr; + } + + function parseNewExpression() { + var callee, args, startToken; + + startToken = lookahead; + expectKeyword('new'); + callee = parseLeftHandSideExpression(); + args = match('(') ? parseArguments() : []; + + return delegate.markEnd(delegate.createNewExpression(callee, args), startToken); + } + + function parseLeftHandSideExpressionAllowCall() { + var previousAllowIn, expr, args, property, startToken; + + startToken = lookahead; + + previousAllowIn = state.allowIn; + state.allowIn = true; + expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); + state.allowIn = previousAllowIn; + + for (;;) { + if (match('.')) { + property = parseNonComputedMember(); + expr = delegate.createMemberExpression('.', expr, property); + } else if (match('(')) { + args = parseArguments(); + expr = delegate.createCallExpression(expr, args); + } else if (match('[')) { + property = parseComputedMember(); + expr = delegate.createMemberExpression('[', expr, property); + } else { + break; + } + delegate.markEnd(expr, startToken); + } + + return expr; + } + + function parseLeftHandSideExpression() { + var previousAllowIn, expr, property, startToken; + + startToken = lookahead; + + previousAllowIn = state.allowIn; + expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); + state.allowIn = previousAllowIn; + + while (match('.') || match('[')) { + if (match('[')) { + property = parseComputedMember(); + expr = delegate.createMemberExpression('[', expr, property); + } else { + property = parseNonComputedMember(); + expr = delegate.createMemberExpression('.', expr, property); + } + delegate.markEnd(expr, startToken); + } + + return expr; + } + + // 11.3 Postfix Expressions + + function parsePostfixExpression() { + var expr, token, startToken = lookahead; + + expr = parseLeftHandSideExpressionAllowCall(); + + if (lookahead.type === Token.Punctuator) { + if ((match('++') || match('--')) && !peekLineTerminator()) { + // 11.3.1, 11.3.2 + if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { + throwErrorTolerant({}, Messages.StrictLHSPostfix); + } + + if (!isLeftHandSide(expr)) { + throwErrorTolerant({}, Messages.InvalidLHSInAssignment); + } + + token = lex(); + expr = delegate.markEnd(delegate.createPostfixExpression(token.value, expr), startToken); + } + } + + return expr; + } + + // 11.4 Unary Operators + + function parseUnaryExpression() { + var token, expr, startToken; + + if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) { + expr = parsePostfixExpression(); + } else if (match('++') || match('--')) { + startToken = lookahead; + token = lex(); + expr = parseUnaryExpression(); + // 11.4.4, 11.4.5 + if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { + throwErrorTolerant({}, Messages.StrictLHSPrefix); + } + + if (!isLeftHandSide(expr)) { + throwErrorTolerant({}, Messages.InvalidLHSInAssignment); + } + + expr = delegate.createUnaryExpression(token.value, expr); + expr = delegate.markEnd(expr, startToken); + } else if (match('+') || match('-') || match('~') || match('!')) { + startToken = lookahead; + token = lex(); + expr = parseUnaryExpression(); + expr = delegate.createUnaryExpression(token.value, expr); + expr = delegate.markEnd(expr, startToken); + } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) { + startToken = lookahead; + token = lex(); + expr = parseUnaryExpression(); + expr = delegate.createUnaryExpression(token.value, expr); + expr = delegate.markEnd(expr, startToken); + if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) { + throwErrorTolerant({}, Messages.StrictDelete); + } + } else { + expr = parsePostfixExpression(); + } + + return expr; + } + + function binaryPrecedence(token, allowIn) { + var prec = 0; + + if (token.type !== Token.Punctuator && token.type !== Token.Keyword) { + return 0; + } + + switch (token.value) { + case '||': + prec = 1; + break; + + case '&&': + prec = 2; + break; + + case '|': + prec = 3; + break; + + case '^': + prec = 4; + break; + + case '&': + prec = 5; + break; + + case '==': + case '!=': + case '===': + case '!==': + prec = 6; + break; + + case '<': + case '>': + case '<=': + case '>=': + case 'instanceof': + prec = 7; + break; + + case 'in': + prec = allowIn ? 7 : 0; + break; + + case '<<': + case '>>': + case '>>>': + prec = 8; + break; + + case '+': + case '-': + prec = 9; + break; + + case '*': + case '/': + case '%': + prec = 11; + break; + + default: + break; + } + + return prec; + } + + // 11.5 Multiplicative Operators + // 11.6 Additive Operators + // 11.7 Bitwise Shift Operators + // 11.8 Relational Operators + // 11.9 Equality Operators + // 11.10 Binary Bitwise Operators + // 11.11 Binary Logical Operators + + function parseBinaryExpression() { + var marker, markers, expr, token, prec, stack, right, operator, left, i; + + marker = lookahead; + left = parseUnaryExpression(); + + token = lookahead; + prec = binaryPrecedence(token, state.allowIn); + if (prec === 0) { + return left; + } + token.prec = prec; + lex(); + + markers = [marker, lookahead]; + right = parseUnaryExpression(); + + stack = [left, token, right]; + + while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) { + + // Reduce: make a binary expression from the three topmost entries. + while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) { + right = stack.pop(); + operator = stack.pop().value; + left = stack.pop(); + expr = delegate.createBinaryExpression(operator, left, right); + markers.pop(); + marker = markers[markers.length - 1]; + delegate.markEnd(expr, marker); + stack.push(expr); + } + + // Shift. + token = lex(); + token.prec = prec; + stack.push(token); + markers.push(lookahead); + expr = parseUnaryExpression(); + stack.push(expr); + } + + // Final reduce to clean-up the stack. + i = stack.length - 1; + expr = stack[i]; + markers.pop(); + while (i > 1) { + expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr); + i -= 2; + marker = markers.pop(); + delegate.markEnd(expr, marker); + } + + return expr; + } + + + // 11.12 Conditional Operator + + function parseConditionalExpression() { + var expr, previousAllowIn, consequent, alternate, startToken; + + startToken = lookahead; + + expr = parseBinaryExpression(); + + if (match('?')) { + lex(); + previousAllowIn = state.allowIn; + state.allowIn = true; + consequent = parseAssignmentExpression(); + state.allowIn = previousAllowIn; + expect(':'); + alternate = parseAssignmentExpression(); + + expr = delegate.createConditionalExpression(expr, consequent, alternate); + delegate.markEnd(expr, startToken); + } + + return expr; + } + + // 11.13 Assignment Operators + + function parseAssignmentExpression() { + var token, left, right, node, startToken; + + token = lookahead; + startToken = lookahead; + + node = left = parseConditionalExpression(); + + if (matchAssign()) { + // LeftHandSideExpression + if (!isLeftHandSide(left)) { + throwErrorTolerant({}, Messages.InvalidLHSInAssignment); + } + + // 11.13.1 + if (strict && left.type === Syntax.Identifier && isRestrictedWord(left.name)) { + throwErrorTolerant(token, Messages.StrictLHSAssignment); + } + + token = lex(); + right = parseAssignmentExpression(); + node = delegate.markEnd(delegate.createAssignmentExpression(token.value, left, right), startToken); + } + + return node; + } + + // 11.14 Comma Operator + + function parseExpression() { + var expr, startToken = lookahead; + + expr = parseAssignmentExpression(); + + if (match(',')) { + expr = delegate.createSequenceExpression([ expr ]); + + while (index < length) { + if (!match(',')) { + break; + } + lex(); + expr.expressions.push(parseAssignmentExpression()); + } + + delegate.markEnd(expr, startToken); + } + + return expr; + } + + // 12.1 Block + + function parseStatementList() { + var list = [], + statement; + + while (index < length) { + if (match('}')) { + break; + } + statement = parseSourceElement(); + if (typeof statement === 'undefined') { + break; + } + list.push(statement); + } + + return list; + } + + function parseBlock() { + var block, startToken; + + startToken = lookahead; + expect('{'); + + block = parseStatementList(); + + expect('}'); + + return delegate.markEnd(delegate.createBlockStatement(block), startToken); + } + + // 12.2 Variable Statement + + function parseVariableIdentifier() { + var token, startToken; + + startToken = lookahead; + token = lex(); + + if (token.type !== Token.Identifier) { + throwUnexpected(token); + } + + return delegate.markEnd(delegate.createIdentifier(token.value), startToken); + } + + function parseVariableDeclaration(kind) { + var init = null, id, startToken; + + startToken = lookahead; + id = parseVariableIdentifier(); + + // 12.2.1 + if (strict && isRestrictedWord(id.name)) { + throwErrorTolerant({}, Messages.StrictVarName); + } + + if (kind === 'const') { + expect('='); + init = parseAssignmentExpression(); + } else if (match('=')) { + lex(); + init = parseAssignmentExpression(); + } + + return delegate.markEnd(delegate.createVariableDeclarator(id, init), startToken); + } + + function parseVariableDeclarationList(kind) { + var list = []; + + do { + list.push(parseVariableDeclaration(kind)); + if (!match(',')) { + break; + } + lex(); + } while (index < length); + + return list; + } + + function parseVariableStatement() { + var declarations; + + expectKeyword('var'); + + declarations = parseVariableDeclarationList(); + + consumeSemicolon(); + + return delegate.createVariableDeclaration(declarations, 'var'); + } + + // kind may be `const` or `let` + // Both are experimental and not in the specification yet. + // see http://wiki.ecmascript.org/doku.php?id=harmony:const + // and http://wiki.ecmascript.org/doku.php?id=harmony:let + function parseConstLetDeclaration(kind) { + var declarations, startToken; + + startToken = lookahead; + + expectKeyword(kind); + + declarations = parseVariableDeclarationList(kind); + + consumeSemicolon(); + + return delegate.markEnd(delegate.createVariableDeclaration(declarations, kind), startToken); + } + + // 12.3 Empty Statement + + function parseEmptyStatement() { + expect(';'); + return delegate.createEmptyStatement(); + } + + // 12.4 Expression Statement + + function parseExpressionStatement() { + var expr = parseExpression(); + consumeSemicolon(); + return delegate.createExpressionStatement(expr); + } + + // 12.5 If statement + + function parseIfStatement() { + var test, consequent, alternate; + + expectKeyword('if'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + consequent = parseStatement(); + + if (matchKeyword('else')) { + lex(); + alternate = parseStatement(); + } else { + alternate = null; + } + + return delegate.createIfStatement(test, consequent, alternate); + } + + // 12.6 Iteration Statements + + function parseDoWhileStatement() { + var body, test, oldInIteration; + + expectKeyword('do'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + body = parseStatement(); + + state.inIteration = oldInIteration; + + expectKeyword('while'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + if (match(';')) { + lex(); + } + + return delegate.createDoWhileStatement(body, test); + } + + function parseWhileStatement() { + var test, body, oldInIteration; + + expectKeyword('while'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + body = parseStatement(); + + state.inIteration = oldInIteration; + + return delegate.createWhileStatement(test, body); + } + + function parseForVariableDeclaration() { + var token, declarations, startToken; + + startToken = lookahead; + token = lex(); + declarations = parseVariableDeclarationList(); + + return delegate.markEnd(delegate.createVariableDeclaration(declarations, token.value), startToken); + } + + function parseForStatement() { + var init, test, update, left, right, body, oldInIteration; + + init = test = update = null; + + expectKeyword('for'); + + expect('('); + + if (match(';')) { + lex(); + } else { + if (matchKeyword('var') || matchKeyword('let')) { + state.allowIn = false; + init = parseForVariableDeclaration(); + state.allowIn = true; + + if (init.declarations.length === 1 && matchKeyword('in')) { + lex(); + left = init; + right = parseExpression(); + init = null; + } + } else { + state.allowIn = false; + init = parseExpression(); + state.allowIn = true; + + if (matchKeyword('in')) { + // LeftHandSideExpression + if (!isLeftHandSide(init)) { + throwErrorTolerant({}, Messages.InvalidLHSInForIn); + } + + lex(); + left = init; + right = parseExpression(); + init = null; + } + } + + if (typeof left === 'undefined') { + expect(';'); + } + } + + if (typeof left === 'undefined') { + + if (!match(';')) { + test = parseExpression(); + } + expect(';'); + + if (!match(')')) { + update = parseExpression(); + } + } + + expect(')'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + body = parseStatement(); + + state.inIteration = oldInIteration; + + return (typeof left === 'undefined') ? + delegate.createForStatement(init, test, update, body) : + delegate.createForInStatement(left, right, body); + } + + // 12.7 The continue statement + + function parseContinueStatement() { + var label = null, key; + + expectKeyword('continue'); + + // Optimize the most common form: 'continue;'. + if (source.charCodeAt(index) === 0x3B) { + lex(); + + if (!state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return delegate.createContinueStatement(null); + } + + if (peekLineTerminator()) { + if (!state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return delegate.createContinueStatement(null); + } + + if (lookahead.type === Token.Identifier) { + label = parseVariableIdentifier(); + + key = '$' + label.name; + if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) { + throwError({}, Messages.UnknownLabel, label.name); + } + } + + consumeSemicolon(); + + if (label === null && !state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return delegate.createContinueStatement(label); + } + + // 12.8 The break statement + + function parseBreakStatement() { + var label = null, key; + + expectKeyword('break'); + + // Catch the very common case first: immediately a semicolon (U+003B). + if (source.charCodeAt(index) === 0x3B) { + lex(); + + if (!(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return delegate.createBreakStatement(null); + } + + if (peekLineTerminator()) { + if (!(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return delegate.createBreakStatement(null); + } + + if (lookahead.type === Token.Identifier) { + label = parseVariableIdentifier(); + + key = '$' + label.name; + if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) { + throwError({}, Messages.UnknownLabel, label.name); + } + } + + consumeSemicolon(); + + if (label === null && !(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return delegate.createBreakStatement(label); + } + + // 12.9 The return statement + + function parseReturnStatement() { + var argument = null; + + expectKeyword('return'); + + if (!state.inFunctionBody) { + throwErrorTolerant({}, Messages.IllegalReturn); + } + + // 'return' followed by a space and an identifier is very common. + if (source.charCodeAt(index) === 0x20) { + if (isIdentifierStart(source.charCodeAt(index + 1))) { + argument = parseExpression(); + consumeSemicolon(); + return delegate.createReturnStatement(argument); + } + } + + if (peekLineTerminator()) { + return delegate.createReturnStatement(null); + } + + if (!match(';')) { + if (!match('}') && lookahead.type !== Token.EOF) { + argument = parseExpression(); + } + } + + consumeSemicolon(); + + return delegate.createReturnStatement(argument); + } + + // 12.10 The with statement + + function parseWithStatement() { + var object, body; + + if (strict) { + // TODO(ikarienator): Should we update the test cases instead? + skipComment(); + throwErrorTolerant({}, Messages.StrictModeWith); + } + + expectKeyword('with'); + + expect('('); + + object = parseExpression(); + + expect(')'); + + body = parseStatement(); + + return delegate.createWithStatement(object, body); + } + + // 12.10 The swith statement + + function parseSwitchCase() { + var test, consequent = [], statement, startToken; + + startToken = lookahead; + if (matchKeyword('default')) { + lex(); + test = null; + } else { + expectKeyword('case'); + test = parseExpression(); + } + expect(':'); + + while (index < length) { + if (match('}') || matchKeyword('default') || matchKeyword('case')) { + break; + } + statement = parseStatement(); + consequent.push(statement); + } + + return delegate.markEnd(delegate.createSwitchCase(test, consequent), startToken); + } + + function parseSwitchStatement() { + var discriminant, cases, clause, oldInSwitch, defaultFound; + + expectKeyword('switch'); + + expect('('); + + discriminant = parseExpression(); + + expect(')'); + + expect('{'); + + cases = []; + + if (match('}')) { + lex(); + return delegate.createSwitchStatement(discriminant, cases); + } + + oldInSwitch = state.inSwitch; + state.inSwitch = true; + defaultFound = false; + + while (index < length) { + if (match('}')) { + break; + } + clause = parseSwitchCase(); + if (clause.test === null) { + if (defaultFound) { + throwError({}, Messages.MultipleDefaultsInSwitch); + } + defaultFound = true; + } + cases.push(clause); + } + + state.inSwitch = oldInSwitch; + + expect('}'); + + return delegate.createSwitchStatement(discriminant, cases); + } + + // 12.13 The throw statement + + function parseThrowStatement() { + var argument; + + expectKeyword('throw'); + + if (peekLineTerminator()) { + throwError({}, Messages.NewlineAfterThrow); + } + + argument = parseExpression(); + + consumeSemicolon(); + + return delegate.createThrowStatement(argument); + } + + // 12.14 The try statement + + function parseCatchClause() { + var param, body, startToken; + + startToken = lookahead; + expectKeyword('catch'); + + expect('('); + if (match(')')) { + throwUnexpected(lookahead); + } + + param = parseVariableIdentifier(); + // 12.14.1 + if (strict && isRestrictedWord(param.name)) { + throwErrorTolerant({}, Messages.StrictCatchVariable); + } + + expect(')'); + body = parseBlock(); + return delegate.markEnd(delegate.createCatchClause(param, body), startToken); + } + + function parseTryStatement() { + var block, handlers = [], finalizer = null; + + expectKeyword('try'); + + block = parseBlock(); + + if (matchKeyword('catch')) { + handlers.push(parseCatchClause()); + } + + if (matchKeyword('finally')) { + lex(); + finalizer = parseBlock(); + } + + if (handlers.length === 0 && !finalizer) { + throwError({}, Messages.NoCatchOrFinally); + } + + return delegate.createTryStatement(block, [], handlers, finalizer); + } + + // 12.15 The debugger statement + + function parseDebuggerStatement() { + expectKeyword('debugger'); + + consumeSemicolon(); + + return delegate.createDebuggerStatement(); + } + + // 12 Statements + + function parseStatement() { + var type = lookahead.type, + expr, + labeledBody, + key, + startToken; + + if (type === Token.EOF) { + throwUnexpected(lookahead); + } + + if (type === Token.Punctuator && lookahead.value === '{') { + return parseBlock(); + } + + startToken = lookahead; + + if (type === Token.Punctuator) { + switch (lookahead.value) { + case ';': + return delegate.markEnd(parseEmptyStatement(), startToken); + case '(': + return delegate.markEnd(parseExpressionStatement(), startToken); + default: + break; + } + } + + if (type === Token.Keyword) { + switch (lookahead.value) { + case 'break': + return delegate.markEnd(parseBreakStatement(), startToken); + case 'continue': + return delegate.markEnd(parseContinueStatement(), startToken); + case 'debugger': + return delegate.markEnd(parseDebuggerStatement(), startToken); + case 'do': + return delegate.markEnd(parseDoWhileStatement(), startToken); + case 'for': + return delegate.markEnd(parseForStatement(), startToken); + case 'function': + return delegate.markEnd(parseFunctionDeclaration(), startToken); + case 'if': + return delegate.markEnd(parseIfStatement(), startToken); + case 'return': + return delegate.markEnd(parseReturnStatement(), startToken); + case 'switch': + return delegate.markEnd(parseSwitchStatement(), startToken); + case 'throw': + return delegate.markEnd(parseThrowStatement(), startToken); + case 'try': + return delegate.markEnd(parseTryStatement(), startToken); + case 'var': + return delegate.markEnd(parseVariableStatement(), startToken); + case 'while': + return delegate.markEnd(parseWhileStatement(), startToken); + case 'with': + return delegate.markEnd(parseWithStatement(), startToken); + default: + break; + } + } + + expr = parseExpression(); + + // 12.12 Labelled Statements + if ((expr.type === Syntax.Identifier) && match(':')) { + lex(); + + key = '$' + expr.name; + if (Object.prototype.hasOwnProperty.call(state.labelSet, key)) { + throwError({}, Messages.Redeclaration, 'Label', expr.name); + } + + state.labelSet[key] = true; + labeledBody = parseStatement(); + delete state.labelSet[key]; + return delegate.markEnd(delegate.createLabeledStatement(expr, labeledBody), startToken); + } + + consumeSemicolon(); + + return delegate.markEnd(delegate.createExpressionStatement(expr), startToken); + } + + // 13 Function Definition + + function parseFunctionSourceElements() { + var sourceElement, sourceElements = [], token, directive, firstRestricted, + oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, startToken; + + startToken = lookahead; + expect('{'); + + while (index < length) { + if (lookahead.type !== Token.StringLiteral) { + break; + } + token = lookahead; + + sourceElement = parseSourceElement(); + sourceElements.push(sourceElement); + if (sourceElement.expression.type !== Syntax.Literal) { + // this is not directive + break; + } + directive = source.slice(token.start + 1, token.end - 1); + if (directive === 'use strict') { + strict = true; + if (firstRestricted) { + throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); + } + } else { + if (!firstRestricted && token.octal) { + firstRestricted = token; + } + } + } + + oldLabelSet = state.labelSet; + oldInIteration = state.inIteration; + oldInSwitch = state.inSwitch; + oldInFunctionBody = state.inFunctionBody; + + state.labelSet = {}; + state.inIteration = false; + state.inSwitch = false; + state.inFunctionBody = true; + + while (index < length) { + if (match('}')) { + break; + } + sourceElement = parseSourceElement(); + if (typeof sourceElement === 'undefined') { + break; + } + sourceElements.push(sourceElement); + } + + expect('}'); + + state.labelSet = oldLabelSet; + state.inIteration = oldInIteration; + state.inSwitch = oldInSwitch; + state.inFunctionBody = oldInFunctionBody; + + return delegate.markEnd(delegate.createBlockStatement(sourceElements), startToken); + } + + function parseParams(firstRestricted) { + var param, params = [], token, stricted, paramSet, key, message; + expect('('); + + if (!match(')')) { + paramSet = {}; + while (index < length) { + token = lookahead; + param = parseVariableIdentifier(); + key = '$' + token.value; + if (strict) { + if (isRestrictedWord(token.value)) { + stricted = token; + message = Messages.StrictParamName; + } + if (Object.prototype.hasOwnProperty.call(paramSet, key)) { + stricted = token; + message = Messages.StrictParamDupe; + } + } else if (!firstRestricted) { + if (isRestrictedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictParamName; + } else if (isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictReservedWord; + } else if (Object.prototype.hasOwnProperty.call(paramSet, key)) { + firstRestricted = token; + message = Messages.StrictParamDupe; + } + } + params.push(param); + paramSet[key] = true; + if (match(')')) { + break; + } + expect(','); + } + } + + expect(')'); + + return { + params: params, + stricted: stricted, + firstRestricted: firstRestricted, + message: message + }; + } + + function parseFunctionDeclaration() { + var id, params = [], body, token, stricted, tmp, firstRestricted, message, previousStrict, startToken; + + startToken = lookahead; + + expectKeyword('function'); + token = lookahead; + id = parseVariableIdentifier(); + if (strict) { + if (isRestrictedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictFunctionName); + } + } else { + if (isRestrictedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictFunctionName; + } else if (isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictReservedWord; + } + } + + tmp = parseParams(firstRestricted); + params = tmp.params; + stricted = tmp.stricted; + firstRestricted = tmp.firstRestricted; + if (tmp.message) { + message = tmp.message; + } + + previousStrict = strict; + body = parseFunctionSourceElements(); + if (strict && firstRestricted) { + throwError(firstRestricted, message); + } + if (strict && stricted) { + throwErrorTolerant(stricted, message); + } + strict = previousStrict; + + return delegate.markEnd(delegate.createFunctionDeclaration(id, params, [], body), startToken); + } + + function parseFunctionExpression() { + var token, id = null, stricted, firstRestricted, message, tmp, params = [], body, previousStrict, startToken; + + startToken = lookahead; + expectKeyword('function'); + + if (!match('(')) { + token = lookahead; + id = parseVariableIdentifier(); + if (strict) { + if (isRestrictedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictFunctionName); + } + } else { + if (isRestrictedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictFunctionName; + } else if (isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictReservedWord; + } + } + } + + tmp = parseParams(firstRestricted); + params = tmp.params; + stricted = tmp.stricted; + firstRestricted = tmp.firstRestricted; + if (tmp.message) { + message = tmp.message; + } + + previousStrict = strict; + body = parseFunctionSourceElements(); + if (strict && firstRestricted) { + throwError(firstRestricted, message); + } + if (strict && stricted) { + throwErrorTolerant(stricted, message); + } + strict = previousStrict; + + return delegate.markEnd(delegate.createFunctionExpression(id, params, [], body), startToken); + } + + // 14 Program + + function parseSourceElement() { + if (lookahead.type === Token.Keyword) { + switch (lookahead.value) { + case 'const': + case 'let': + return parseConstLetDeclaration(lookahead.value); + case 'function': + return parseFunctionDeclaration(); + default: + return parseStatement(); + } + } + + if (lookahead.type !== Token.EOF) { + return parseStatement(); + } + } + + function parseSourceElements() { + var sourceElement, sourceElements = [], token, directive, firstRestricted; + + while (index < length) { + token = lookahead; + if (token.type !== Token.StringLiteral) { + break; + } + + sourceElement = parseSourceElement(); + sourceElements.push(sourceElement); + if (sourceElement.expression.type !== Syntax.Literal) { + // this is not directive + break; + } + directive = source.slice(token.start + 1, token.end - 1); + if (directive === 'use strict') { + strict = true; + if (firstRestricted) { + throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); + } + } else { + if (!firstRestricted && token.octal) { + firstRestricted = token; + } + } + } + + while (index < length) { + sourceElement = parseSourceElement(); + /* istanbul ignore if */ + if (typeof sourceElement === 'undefined') { + break; + } + sourceElements.push(sourceElement); + } + return sourceElements; + } + + function parseProgram() { + var body, startToken; + + skipComment(); + peek(); + startToken = lookahead; + strict = false; + + body = parseSourceElements(); + return delegate.markEnd(delegate.createProgram(body), startToken); + } + + function filterTokenLocation() { + var i, entry, token, tokens = []; + + for (i = 0; i < extra.tokens.length; ++i) { + entry = extra.tokens[i]; + token = { + type: entry.type, + value: entry.value + }; + if (extra.range) { + token.range = entry.range; + } + if (extra.loc) { + token.loc = entry.loc; + } + tokens.push(token); + } + + extra.tokens = tokens; + } + + function tokenize(code, options) { + var toString, + token, + tokens; + + toString = String; + if (typeof code !== 'string' && !(code instanceof String)) { + code = toString(code); + } + + delegate = SyntaxTreeDelegate; + source = code; + index = 0; + lineNumber = (source.length > 0) ? 1 : 0; + lineStart = 0; + length = source.length; + lookahead = null; + state = { + allowIn: true, + labelSet: {}, + inFunctionBody: false, + inIteration: false, + inSwitch: false, + lastCommentStart: -1 + }; + + extra = {}; + + // Options matching. + options = options || {}; + + // Of course we collect tokens here. + options.tokens = true; + extra.tokens = []; + extra.tokenize = true; + // The following two fields are necessary to compute the Regex tokens. + extra.openParenToken = -1; + extra.openCurlyToken = -1; + + extra.range = (typeof options.range === 'boolean') && options.range; + extra.loc = (typeof options.loc === 'boolean') && options.loc; + + if (typeof options.comment === 'boolean' && options.comment) { + extra.comments = []; + } + if (typeof options.tolerant === 'boolean' && options.tolerant) { + extra.errors = []; + } + + try { + peek(); + if (lookahead.type === Token.EOF) { + return extra.tokens; + } + + token = lex(); + while (lookahead.type !== Token.EOF) { + try { + token = lex(); + } catch (lexError) { + token = lookahead; + if (extra.errors) { + extra.errors.push(lexError); + // We have to break on the first error + // to avoid infinite loops. + break; + } else { + throw lexError; + } + } + } + + filterTokenLocation(); + tokens = extra.tokens; + if (typeof extra.comments !== 'undefined') { + tokens.comments = extra.comments; + } + if (typeof extra.errors !== 'undefined') { + tokens.errors = extra.errors; + } + } catch (e) { + throw e; + } finally { + extra = {}; + } + return tokens; + } + + function parse(code, options) { + var program, toString; + + toString = String; + if (typeof code !== 'string' && !(code instanceof String)) { + code = toString(code); + } + + delegate = SyntaxTreeDelegate; + source = code; + index = 0; + lineNumber = (source.length > 0) ? 1 : 0; + lineStart = 0; + length = source.length; + lookahead = null; + state = { + allowIn: true, + labelSet: {}, + inFunctionBody: false, + inIteration: false, + inSwitch: false, + lastCommentStart: -1 + }; + + extra = {}; + if (typeof options !== 'undefined') { + extra.range = (typeof options.range === 'boolean') && options.range; + extra.loc = (typeof options.loc === 'boolean') && options.loc; + extra.attachComment = (typeof options.attachComment === 'boolean') && options.attachComment; + + if (extra.loc && options.source !== null && options.source !== undefined) { + extra.source = toString(options.source); + } + + if (typeof options.tokens === 'boolean' && options.tokens) { + extra.tokens = []; + } + if (typeof options.comment === 'boolean' && options.comment) { + extra.comments = []; + } + if (typeof options.tolerant === 'boolean' && options.tolerant) { + extra.errors = []; + } + if (extra.attachComment) { + extra.range = true; + extra.comments = []; + extra.bottomRightStack = []; + extra.trailingComments = []; + extra.leadingComments = []; + } + } + + try { + program = parseProgram(); + if (typeof extra.comments !== 'undefined') { + program.comments = extra.comments; + } + if (typeof extra.tokens !== 'undefined') { + filterTokenLocation(); + program.tokens = extra.tokens; + } + if (typeof extra.errors !== 'undefined') { + program.errors = extra.errors; + } + } catch (e) { + throw e; + } finally { + extra = {}; + } + + return program; + } + + // Sync with *.json manifests. + exports.version = '1.2.2'; + + exports.tokenize = tokenize; + + exports.parse = parse; + + // Deep copy. + /* istanbul ignore next */ + exports.Syntax = (function () { + var name, types = {}; + + if (typeof Object.create === 'function') { + types = Object.create(null); + } + + for (name in Syntax) { + if (Syntax.hasOwnProperty(name)) { + types[name] = Syntax[name]; + } + } + + if (typeof Object.freeze === 'function') { + Object.freeze(types); + } + + return types; + }()); + +})); +/* vim: set sw=4 ts=4 et tw=80 : */ + +},{}],7:[function(require,module,exports){ +/* + Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com> + Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/*jslint vars:false, bitwise:true*/ +/*jshint indent:4*/ +/*global exports:true, define:true*/ +(function (root, factory) { + 'use strict'; + + // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, + // and plain browser loading, + if (typeof define === 'function' && define.amd) { + define(['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory((root.estraverse = {})); + } +}(this, function (exports) { + 'use strict'; + + var Syntax, + isArray, + VisitorOption, + VisitorKeys, + BREAK, + SKIP; + + Syntax = { + AssignmentExpression: 'AssignmentExpression', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrowFunctionExpression: 'ArrowFunctionExpression', + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DebuggerStatement: 'DebuggerStatement', + DirectiveStatement: 'DirectiveStatement', + DoWhileStatement: 'DoWhileStatement', + EmptyStatement: 'EmptyStatement', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForInStatement: 'ForInStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + Identifier: 'Identifier', + IfStatement: 'IfStatement', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MethodDefinition: 'MethodDefinition', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + Program: 'Program', + Property: 'Property', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SwitchStatement: 'SwitchStatement', + SwitchCase: 'SwitchCase', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + YieldExpression: 'YieldExpression' + }; + + function ignoreJSHintError() { } + + isArray = Array.isArray; + if (!isArray) { + isArray = function isArray(array) { + return Object.prototype.toString.call(array) === '[object Array]'; + }; + } + + function deepCopy(obj) { + var ret = {}, key, val; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + val = obj[key]; + if (typeof val === 'object' && val !== null) { + ret[key] = deepCopy(val); + } else { + ret[key] = val; + } + } + } + return ret; + } + + function shallowCopy(obj) { + var ret = {}, key; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + ret[key] = obj[key]; + } + } + return ret; + } + ignoreJSHintError(shallowCopy); + + // based on LLVM libc++ upper_bound / lower_bound + // MIT License + + function upperBound(array, func) { + var diff, len, i, current; + + len = array.length; + i = 0; + + while (len) { + diff = len >>> 1; + current = i + diff; + if (func(array[current])) { + len = diff; + } else { + i = current + 1; + len -= diff + 1; + } + } + return i; + } + + function lowerBound(array, func) { + var diff, len, i, current; + + len = array.length; + i = 0; + + while (len) { + diff = len >>> 1; + current = i + diff; + if (func(array[current])) { + i = current + 1; + len -= diff + 1; + } else { + len = diff; + } + } + return i; + } + ignoreJSHintError(lowerBound); + + VisitorKeys = { + AssignmentExpression: ['left', 'right'], + ArrayExpression: ['elements'], + ArrayPattern: ['elements'], + ArrowFunctionExpression: ['params', 'defaults', 'rest', 'body'], + BlockStatement: ['body'], + BinaryExpression: ['left', 'right'], + BreakStatement: ['label'], + CallExpression: ['callee', 'arguments'], + CatchClause: ['param', 'body'], + ClassBody: ['body'], + ClassDeclaration: ['id', 'body', 'superClass'], + ClassExpression: ['id', 'body', 'superClass'], + ConditionalExpression: ['test', 'consequent', 'alternate'], + ContinueStatement: ['label'], + DebuggerStatement: [], + DirectiveStatement: [], + DoWhileStatement: ['body', 'test'], + EmptyStatement: [], + ExpressionStatement: ['expression'], + ForStatement: ['init', 'test', 'update', 'body'], + ForInStatement: ['left', 'right', 'body'], + ForOfStatement: ['left', 'right', 'body'], + FunctionDeclaration: ['id', 'params', 'defaults', 'rest', 'body'], + FunctionExpression: ['id', 'params', 'defaults', 'rest', 'body'], + Identifier: [], + IfStatement: ['test', 'consequent', 'alternate'], + Literal: [], + LabeledStatement: ['label', 'body'], + LogicalExpression: ['left', 'right'], + MemberExpression: ['object', 'property'], + MethodDefinition: ['key', 'value'], + NewExpression: ['callee', 'arguments'], + ObjectExpression: ['properties'], + ObjectPattern: ['properties'], + Program: ['body'], + Property: ['key', 'value'], + ReturnStatement: ['argument'], + SequenceExpression: ['expressions'], + SwitchStatement: ['discriminant', 'cases'], + SwitchCase: ['test', 'consequent'], + ThisExpression: [], + ThrowStatement: ['argument'], + TryStatement: ['block', 'handlers', 'handler', 'guardedHandlers', 'finalizer'], + UnaryExpression: ['argument'], + UpdateExpression: ['argument'], + VariableDeclaration: ['declarations'], + VariableDeclarator: ['id', 'init'], + WhileStatement: ['test', 'body'], + WithStatement: ['object', 'body'], + YieldExpression: ['argument'] + }; + + // unique id + BREAK = {}; + SKIP = {}; + + VisitorOption = { + Break: BREAK, + Skip: SKIP + }; + + function Reference(parent, key) { + this.parent = parent; + this.key = key; + } + + Reference.prototype.replace = function replace(node) { + this.parent[this.key] = node; + }; + + function Element(node, path, wrap, ref) { + this.node = node; + this.path = path; + this.wrap = wrap; + this.ref = ref; + } + + function Controller() { } + + // API: + // return property path array from root to current node + Controller.prototype.path = function path() { + var i, iz, j, jz, result, element; + + function addToPath(result, path) { + if (isArray(path)) { + for (j = 0, jz = path.length; j < jz; ++j) { + result.push(path[j]); + } + } else { + result.push(path); + } + } + + // root node + if (!this.__current.path) { + return null; + } + + // first node is sentinel, second node is root element + result = []; + for (i = 2, iz = this.__leavelist.length; i < iz; ++i) { + element = this.__leavelist[i]; + addToPath(result, element.path); + } + addToPath(result, this.__current.path); + return result; + }; + + // API: + // return array of parent elements + Controller.prototype.parents = function parents() { + var i, iz, result; + + // first node is sentinel + result = []; + for (i = 1, iz = this.__leavelist.length; i < iz; ++i) { + result.push(this.__leavelist[i].node); + } + + return result; + }; + + // API: + // return current node + Controller.prototype.current = function current() { + return this.__current.node; + }; + + Controller.prototype.__execute = function __execute(callback, element) { + var previous, result; + + result = undefined; + + previous = this.__current; + this.__current = element; + this.__state = null; + if (callback) { + result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node); + } + this.__current = previous; + + return result; + }; + + // API: + // notify control skip / break + Controller.prototype.notify = function notify(flag) { + this.__state = flag; + }; + + // API: + // skip child nodes of current node + Controller.prototype.skip = function () { + this.notify(SKIP); + }; + + // API: + // break traversals + Controller.prototype['break'] = function () { + this.notify(BREAK); + }; + + Controller.prototype.__initialize = function(root, visitor) { + this.visitor = visitor; + this.root = root; + this.__worklist = []; + this.__leavelist = []; + this.__current = null; + this.__state = null; + }; + + Controller.prototype.traverse = function traverse(root, visitor) { + var worklist, + leavelist, + element, + node, + nodeType, + ret, + key, + current, + current2, + candidates, + candidate, + sentinel; + + this.__initialize(root, visitor); + + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + worklist.push(new Element(root, null, null, null)); + leavelist.push(new Element(null, null, null, null)); + + while (worklist.length) { + element = worklist.pop(); + + if (element === sentinel) { + element = leavelist.pop(); + + ret = this.__execute(visitor.leave, element); + + if (this.__state === BREAK || ret === BREAK) { + return; + } + continue; + } + + if (element.node) { + + ret = this.__execute(visitor.enter, element); + + if (this.__state === BREAK || ret === BREAK) { + return; + } + + worklist.push(sentinel); + leavelist.push(element); + + if (this.__state === SKIP || ret === SKIP) { + continue; + } + + node = element.node; + nodeType = element.wrap || node.type; + candidates = VisitorKeys[nodeType]; + + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + + if (!isArray(candidate)) { + worklist.push(new Element(candidate, key, null, null)); + continue; + } + + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if ((nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === candidates[current]) { + element = new Element(candidate[current2], [key, current2], 'Property', null); + } else { + element = new Element(candidate[current2], [key, current2], null, null); + } + worklist.push(element); + } + } + } + } + }; + + Controller.prototype.replace = function replace(root, visitor) { + var worklist, + leavelist, + node, + nodeType, + target, + element, + current, + current2, + candidates, + candidate, + sentinel, + outer, + key; + + this.__initialize(root, visitor); + + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + outer = { + root: root + }; + element = new Element(root, null, null, new Reference(outer, 'root')); + worklist.push(element); + leavelist.push(element); + + while (worklist.length) { + element = worklist.pop(); + + if (element === sentinel) { + element = leavelist.pop(); + + target = this.__execute(visitor.leave, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP) { + // replace + element.ref.replace(target); + } + + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + continue; + } + + target = this.__execute(visitor.enter, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP) { + // replace + element.ref.replace(target); + element.node = target; + } + + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + + // node may be null + node = element.node; + if (!node) { + continue; + } + + worklist.push(sentinel); + leavelist.push(element); + + if (this.__state === SKIP || target === SKIP) { + continue; + } + + nodeType = element.wrap || node.type; + candidates = VisitorKeys[nodeType]; + + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + + if (!isArray(candidate)) { + worklist.push(new Element(candidate, key, null, new Reference(node, key))); + continue; + } + + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (nodeType === Syntax.ObjectExpression && 'properties' === candidates[current]) { + element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2)); + } else { + element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2)); + } + worklist.push(element); + } + } + } + + return outer.root; + }; + + function traverse(root, visitor) { + var controller = new Controller(); + return controller.traverse(root, visitor); + } + + function replace(root, visitor) { + var controller = new Controller(); + return controller.replace(root, visitor); + } + + function extendCommentRange(comment, tokens) { + var target; + + target = upperBound(tokens, function search(token) { + return token.range[0] > comment.range[0]; + }); + + comment.extendedRange = [comment.range[0], comment.range[1]]; + + if (target !== tokens.length) { + comment.extendedRange[1] = tokens[target].range[0]; + } + + target -= 1; + if (target >= 0) { + comment.extendedRange[0] = tokens[target].range[1]; + } + + return comment; + } + + function attachComments(tree, providedComments, tokens) { + // At first, we should calculate extended comment ranges. + var comments = [], comment, len, i, cursor; + + if (!tree.range) { + throw new Error('attachComments needs range information'); + } + + // tokens array is empty, we attach comments to tree as 'leadingComments' + if (!tokens.length) { + if (providedComments.length) { + for (i = 0, len = providedComments.length; i < len; i += 1) { + comment = deepCopy(providedComments[i]); + comment.extendedRange = [0, tree.range[0]]; + comments.push(comment); + } + tree.leadingComments = comments; + } + return tree; + } + + for (i = 0, len = providedComments.length; i < len; i += 1) { + comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens)); + } + + // This is based on John Freeman's implementation. + cursor = 0; + traverse(tree, { + enter: function (node) { + var comment; + + while (cursor < comments.length) { + comment = comments[cursor]; + if (comment.extendedRange[1] > node.range[0]) { + break; + } + + if (comment.extendedRange[1] === node.range[0]) { + if (!node.leadingComments) { + node.leadingComments = []; + } + node.leadingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + + cursor = 0; + traverse(tree, { + leave: function (node) { + var comment; + + while (cursor < comments.length) { + comment = comments[cursor]; + if (node.range[1] < comment.extendedRange[0]) { + break; + } + + if (node.range[1] === comment.extendedRange[0]) { + if (!node.trailingComments) { + node.trailingComments = []; + } + node.trailingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + + return tree; + } + + exports.version = '1.5.1-dev'; + exports.Syntax = Syntax; + exports.traverse = traverse; + exports.replace = replace; + exports.attachComments = attachComments; + exports.VisitorKeys = VisitorKeys; + exports.VisitorOption = VisitorOption; + exports.Controller = Controller; +})); +/* vim: set sw=4 ts=4 et tw=80 : */ + +},{}],8:[function(require,module,exports){ +'use strict'; + +function ToObject(val) { + if (val == null) { + throw new TypeError('Object.assign cannot be called with null or undefined'); + } + + return Object(val); +} + +module.exports = Object.assign || function (target, source) { + var pendingException; + var from; + var keys; + var to = ToObject(target); + + for (var s = 1; s < arguments.length; s++) { + from = arguments[s]; + keys = Object.keys(Object(from)); + + for (var i = 0; i < keys.length; i++) { + try { + to[keys[i]] = from[keys[i]]; + } catch (err) { + if (pendingException === undefined) { + pendingException = err; + } + } + } + } + + if (pendingException) { + throw pendingException; + } + + return to; +}; + +},{}],9:[function(require,module,exports){ +/** + * @fileoverview Main ESLint object. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +var esprima = require("esprima"), + estraverse = require("estraverse"), + escope = require("escope"), + environments = require("../conf/environments.json"), + assign = require("object-assign"), + rules = require("./rules"), + util = require("./util"), + RuleContext = require("./rule-context"), + EventEmitter = require("events").EventEmitter; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +function escapeRegExp(rx) { + return rx.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); +} + +/** + * Parses a list of "name:boolean_value" or/and "name" options divided by comma or + * whitespace. + * @param {string} string The string to parse. + * @returns {Object} Result map object of names and boolean values + */ +function parseBooleanConfig(string) { + var items = {}; + // Collapse whitespace around : to make parsing easier + string = string.replace(/\s*:\s*/g, ":"); + // Collapse whitespace around , + string = string.replace(/\s*,\s*/g, ","); + string.split(/\s|,+/).forEach(function(name) { + if (!name) { + return; + } + var pos = name.indexOf(":"), + value; + if (pos !== -1) { + value = name.substring(pos + 1, name.length); + name = name.substring(0, pos); + } + + items[name] = (value === "true"); + + }); + return items; +} + +/** + * Parses a JSON-like config. + * @param {string} string The string to parse. + * @returns {Object} Result map object + */ +function parseJsonConfig(string) { + var items = {}; + string = string.replace(/([a-z0-9\-\/]+):/g, "\"$1\":").replace(/(\]|[0-9])\s+(?=")/, "$1,"); + try { + items = JSON.parse("{" + string + "}"); + } catch(e) { } + + return items; +} + +/** + * Parses a config of values separated by comma. + * @param {string} string The string to parse. + * @returns {Object} Result map of values and true values + */ +function parseListConfig(string) { + var items = {}; + // Collapse whitespace around , + string = string.replace(/\s*,\s*/g, ","); + string.split(/,+/).forEach(function(name) { + name = name.trim(); + if (!name) { + return; + } + items[name] = true; + }); + return items; +} + +/** + * @param {Scope} scope The scope object to check. + * @param {string} name The name of the variable to look up. + * @returns {Variable} The variable object if found or null if not. + */ +function getVariable(scope, name) { + var variable = null; + scope.variables.some(function(v) { + if (v.name === name) { + variable = v; + return true; + } else { + return false; + } + + }); + return variable; +} + +/** + * Ensures that variables representing built-in properties of the Global Object, + * and any globals declared by special block comments, are present in the global + * scope. + * @param {ASTNode} program The top node of the AST. + * @param {Scope} globalScope The global scope. + * @param {Object} config The existing configuration data. + * @returns {void} + */ +function addDeclaredGlobals(program, globalScope, config) { + var declaredGlobals = {}, + explicitGlobals = {}, + builtin = environments.builtin; + + assign(declaredGlobals, builtin); + + Object.keys(config.env).forEach(function (name) { + if (config.env[name]) { + var environmentGlobals = environments[name] && environments[name].globals; + if (environmentGlobals) { + assign(declaredGlobals, environmentGlobals); + } + } + }); + + assign(declaredGlobals, config.globals); + assign(explicitGlobals, config.astGlobals); + + Object.keys(declaredGlobals).forEach(function(name) { + var variable = getVariable(globalScope, name); + if (!variable) { + variable = new escope.Variable(name, globalScope); + variable.eslintExplicitGlobal = false; + globalScope.variables.push(variable); + } + variable.writeable = declaredGlobals[name]; + }); + + Object.keys(explicitGlobals).forEach(function(name) { + var variable = getVariable(globalScope, name); + if (!variable) { + variable = new escope.Variable(name, globalScope); + variable.eslintExplicitGlobal = true; + globalScope.variables.push(variable); + } + variable.writeable = explicitGlobals[name]; + }); +} + +/** + * Add data to reporting configuration to disable reporting for list of rules + * starting from start location + * @param {Object[]} reportingConfig Current reporting configuration + * @param {Object} start Position to start + * @param {string[]} rules List of rules + * @returns {void} + */ +function disableReporting(reportingConfig, start, rules) { + + if (rules.length) { + rules.forEach(function(rule) { + reportingConfig.push({ + start: start, + end: null, + rule: rule + }); + }); + } else { + reportingConfig.push({ + start: start, + end: null, + rule: null + }); + } +} + +/** + * Add data to reporting configuration to enable reporting for list of rules + * starting from start location + * @param {Object[]} reportingConfig Current reporting configuration + * @param {Object} start Position to start + * @param {string[]} rules List of rules + * @returns {void} + */ +function enableReporting(reportingConfig, start, rules) { + var i; + + if (rules.length) { + rules.forEach(function(rule) { + for (i = reportingConfig.length - 1; i >= 0; i--) { + if (!reportingConfig[i].end && reportingConfig[i].rule === rule ) { + reportingConfig[i].end = start; + break; + } + } + }); + } else { + // find all previous disabled locations if they was started as list of rules + var prevStart; + for (i = reportingConfig.length - 1; i >= 0; i--) { + if (prevStart && prevStart !== reportingConfig[i].start) { + break; + } + + if (!reportingConfig[i].end) { + reportingConfig[i].end = start; + prevStart = reportingConfig[i].start; + } + } + } +} + + +/** + * Parses comments in file to extract file-specific config of rules, globals + * and environments and merges them with global config; also code blocks + * where reporting is disabled or enabled and merges them with reporting config. + * @param {ASTNode} ast The top node of the AST. + * @param {Object} config The existing configuration data. + * @param {Object[]} reportingConfig The existing reporting configuration data. + * @returns {void} + */ +function modifyConfigsFromComments(ast, config, reportingConfig) { + + var commentConfig = { + astGlobals: {}, + rules: {}, + env: {} + }; + var commentRules = {}; + + ast.comments.forEach(function(comment) { + if (comment.type === "Block") { + + var value = comment.value.trim(); + var match = /^(eslint-\w+|eslint|globals?)(\s|$)/.exec(value); + + if (match) { + value = value.substring(match.index + match[1].length); + + switch (match[1]) { + case "globals": + case "global": + util.mixin(commentConfig.astGlobals, parseBooleanConfig(value)); + break; + + case "eslint-env": + util.mixin(commentConfig.env, parseListConfig(value)); + break; + + case "eslint-disable": + disableReporting(reportingConfig, comment.loc.start, Object.keys(parseListConfig(value))); + break; + + case "eslint-enable": + enableReporting(reportingConfig, comment.loc.start, Object.keys(parseListConfig(value))); + break; + + case "eslint": + var items = parseJsonConfig(value); + Object.keys(items).forEach(function(name) { + var ruleValue = items[name]; + if (typeof ruleValue === "number" || (Array.isArray(ruleValue) && typeof ruleValue[0] === "number")) { + commentRules[name] = ruleValue; + } + }); + break; + + // no default + } + } + } + }); + + // apply environment rules before user rules + Object.keys(commentConfig.env).forEach(function (name) { + var environmentRules = environments[name] && environments[name].rules; + if (commentConfig.env[name] && environmentRules) { + util.mixin(commentConfig.rules, environmentRules); + } + }); + util.mixin(commentConfig.rules, commentRules); + + util.mergeConfigs(config, commentConfig); +} + +/** + * Check if message of rule with ruleId should be ignored in location + * @param {Object[]} reportingConfig Collection of ignore records + * @param {string} ruleId Id of rule + * @param {Object} location Location of message + * @returns {boolean} True if message should be ignored, false otherwise + */ +function isDisabledByReportingConfig(reportingConfig, ruleId, location) { + + for (var i = 0, c = reportingConfig.length; i < c; i++) { + + var ignore = reportingConfig[i]; + if ((!ignore.rule || ignore.rule === ruleId) && + (location.line > ignore.start.line || (location.line === ignore.start.line && location.column >= ignore.start.column)) && + (!ignore.end || (location.line < ignore.end.line || (location.line === ignore.end.line && location.column <= ignore.end.column)))) { + return true; + } + } + + return false; +} + +/** + * Process initial config to make it safe to extend by file comment config + * @param {Object} config Initial config + * @returns {Object} Processed config + */ +function prepareConfig(config) { + + config.globals = config.globals || config.global || {}; + delete config.global; + + var copiedRules = {}; + if (typeof config.rules === "object") { + Object.keys(config.rules).forEach(function(k) { + var rule = config.rules[k]; + if (Array.isArray(rule)) { + copiedRules[k] = rule.slice(); + } else { + copiedRules[k] = rule; + } + }); + } + + return { + rules: copiedRules, + globals: util.mergeConfigs({}, config.globals), + env: util.mergeConfigs({}, config.env || {}), + settings: util.mergeConfigs({}, config.settings || {}) + }; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Object that is responsible for verifying JavaScript text + * @name eslint + */ +module.exports = (function() { + + var api = Object.create(new EventEmitter()), + messages = [], + currentText = null, + currentTextLines = [], + currentConfig = null, + currentTokens = null, + currentScopes = null, + scopeMap = null, + currentFilename = null, + controller = null, + reportingConfig = [], + commentLocsEnter = [], + commentLocsExit = []; + + /** + * Parses text into an AST. Moved out here because the try-catch prevents + * optimization of functions, so it's best to keep the try-catch as isolated + * as possible + * @param {string} text The text to parse. + * @returns {ASTNode} The AST if successful or null if not. + * @private + */ + function parse(text) { + /* + * Check for parsing errors first. If there's a parsing error, nothing + * else can happen. However, a parsing error does not throw an error + * from this method - it's just considered a fatal error message, a + * problem that ESLint identified just like any other. + */ + try { + return esprima.parse(text, { + loc: true, + range: true, + raw: true, + tokens: true, + comment: true, + attachComment: true + }); + } catch (ex) { + + messages.push({ + fatal: true, + severity: 2, + + // messages come as "Line X: Unexpected token foo", so strip off leading part + message: ex.message.substring(ex.message.indexOf(":") + 1).trim(), + + line: ex.lineNumber, + column: ex.column + }); + + return null; + } + } + + /** + * Check collection of comments to prevent double event for comment as + * leading and trailing, then emit event if passing + * @param {ASTNode[]} comments Collection of comment nodes + * @param {Object[]} locs List of locations of previous comment nodes + * @param {string} eventName Event name postfix + * @returns {void} + */ + function emitComments(comments, locs, eventName) { + + if (comments.length) { + comments.forEach(function(node) { + if (locs.indexOf(node.loc) >= 0) { + locs.splice(locs.indexOf(node.loc), 1); + } else { + locs.push(node.loc); + api.emit(node.type + eventName, node); + } + }); + } + } + + /** + * Shortcut to check and emit enter of comment nodes + * @param {ASTNode[]} comments Collection of comment nodes + * @returns {void} + */ + function emitCommentsEnter(comments) { + emitComments(comments, commentLocsEnter, "Comment"); + } + + /** + * Shortcut to check and emit exit of comment nodes + * @param {ASTNode[]} comments Collection of comment nodes + * @returns {void} + */ + function emitCommentsExit(comments) { + emitComments(comments, commentLocsExit, "Comment:exit"); + } + + /** + * Get the severity level of a rule (0 - none, 1 - warning, 2 - error) + * Returns 0 if the rule config is not valid (an Array or a number) + * @param {Array|number} ruleConfig rule configuration + * @returns {number} 0, 1, or 2, indicating rule severity + */ + function getRuleSeverity(ruleConfig) { + if (typeof ruleConfig === "number") { + return ruleConfig; + } else if (Array.isArray(ruleConfig)) { + return ruleConfig[0]; + } else { + return 0; + } + } + + /** + * Get the options for a rule (not including severity), if any + * @param {Array|number} ruleConfig rule configuration + * @returns {Array} of rule options, empty Array if none + */ + function getRuleOptions(ruleConfig) { + if (Array.isArray(ruleConfig)) { + return ruleConfig.slice(1); + } else { + return []; + } + } + + // set unlimited listeners (see https://github.com/eslint/eslint/issues/524) + api.setMaxListeners(0); + + /** + * Resets the internal state of the object. + * @returns {void} + */ + api.reset = function() { + this.removeAllListeners(); + messages = []; + currentConfig = null; + currentText = null; + currentTextLines = []; + currentTokens = null; + currentScopes = null; + scopeMap = null; + controller = null; + reportingConfig = []; + commentLocsEnter = []; + commentLocsExit = []; + }; + + /** + * Verifies the text against the rules specified by the second argument. + * @param {string} text The JavaScript text to verify. + * @param {Object} config An object whose keys specify the rules to use. + * @param {string=} filename The optional filename of the file being checked. + * If this is not set, the filename will default to '<input>' in the rule context. + * @param {boolean=} saveState Indicates if the state from the last run should be saved. + * Mostly useful for testing purposes. + * @returns {Object[]} The results as an array of messages or null if no messages. + */ + api.verify = function(text, config, filename, saveState) { + + var ast; + + // set the current parsed filename + currentFilename = filename; + + if (!saveState) { + this.reset(); + } + + ast = parse(text.replace(/^#!([^\r\n]+[\r\n]+)/, "//$1")); + + // if Esprima failed to parse the file, there's no sense in setting up rules + if (ast) { + // process initial config to make it safe to extend + config = prepareConfig(config); + + // parse global comments and modify config + modifyConfigsFromComments(ast, config, reportingConfig); + + // enable appropriate rules + Object.keys(config.rules).filter(function(key) { + return getRuleSeverity(config.rules[key]) > 0; + }).forEach(function(key) { + + var ruleCreator = rules.get(key), + severity = getRuleSeverity(config.rules[key]), + options = getRuleOptions(config.rules[key]), + rule; + + if (ruleCreator) { + try { + rule = ruleCreator(new RuleContext(key, api, severity, options, config.settings)); + + // add all the node types as listeners + Object.keys(rule).forEach(function(nodeType) { + api.on(nodeType, rule[nodeType]); + }); + } catch(ex) { + ex.message = "Error while loading rule '" + key + "': " + ex.message; + throw ex; + } + + } else { + throw new Error("Definition for rule '" + key + "' was not found."); + } + }); + + // save config so rules can access as necessary + currentConfig = config; + currentText = text; + controller = new estraverse.Controller(); + + // gather data that may be needed by the rules + currentScopes = escope.analyze(ast, { ignoreEval: true }).scopes; + + /* + * Index the scopes by the start range of their block for efficient + * lookup in getScope. + */ + scopeMap = []; + currentScopes.forEach(function (scope, index) { + var range = scope.block.range[0]; + + // Sometimes two scopes are returned for a given node. This is + // handled later in a known way, so just don't overwrite here. + if (!scopeMap[range]) { + scopeMap[range] = index; + } + }); + + /* + * Split text here into array of lines so + * it's not being done repeatedly + * by individual rules. + */ + currentTextLines = currentText.split(/\r?\n/g); + + // Freezing so array isn't accidentally changed by a rule. + Object.freeze(currentTextLines); + + /* get all tokens from the ast and store them as a hashtable to + * improve traversal speed when wanting to find tokens for a given + * node + */ + currentTokens = []; + ast.tokens.forEach(function(token) { + currentTokens[token.range[0]] = token; + }); + + // augment global scope with declared global variables + addDeclaredGlobals(ast, currentScopes[0], currentConfig); + + /* + * Each node has a type property. Whenever a particular type of node is found, + * an event is fired. This allows any listeners to automatically be informed + * that this type of node has been found and react accordingly. + */ + controller.traverse(ast, { + enter: function(node, parent) { + + var comments = api.getComments(node); + + emitCommentsEnter(comments.leading); + node.parent = parent; + api.emit(node.type, node); + emitCommentsEnter(comments.trailing); + }, + leave: function(node) { + + var comments = api.getComments(node); + + emitCommentsExit(comments.trailing); + api.emit(node.type + ":exit", node); + emitCommentsExit(comments.leading); + } + }); + + } + + return messages; + }; + + /** + * Reports a message from one of the rules. + * @param {string} ruleId The ID of the rule causing the message. + * @param {number} severity The severity level of the rule as configured. + * @param {ASTNode} node The AST node that the message relates to. + * @param {Object=} location An object containing the error line and column + * numbers. If location is not provided the node's start location will + * be used. + * @param {string} message The actual message. + * @param {Object} opts Optional template data which produces a formatted message + * with symbols being replaced by this object's values. + * @returns {void} + */ + api.report = function(ruleId, severity, node, location, message, opts) { + + if (typeof location === "string") { + opts = message; + message = location; + location = node.loc.start; + } + + Object.keys(opts || {}).forEach(function (key) { + var rx = new RegExp("{{" + escapeRegExp(key) + "}}", "g"); + message = message.replace(rx, opts[key]); + }); + + if (isDisabledByReportingConfig(reportingConfig, ruleId, location)) { + return; + } + + messages.push({ + ruleId: ruleId, + severity: severity, + node: node, + message: message, + line: location.line, + column: location.column, + source: api.getSource(node) + }); + }; + + /** + * Gets the source code for the given node. + * @param {ASTNode=} node The AST node to get the text for. + * @param {int=} beforeCount The number of characters before the node to retrieve. + * @param {int=} afterCount The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + */ + api.getSource = function(node, beforeCount, afterCount) { + if (node) { + return (currentText !== null) ? currentText.slice(node.range[0] - (beforeCount || 0), + node.range[1] + (afterCount || 0)) : null; + } else { + return currentText; + } + + }; + + /** + * Gets the entire source text split into an array of lines. + * @returns {Array} The source text as an array of lines. + */ + api.getSourceLines = function() { + return currentTextLines; + }; + + /** + * Gets all comments for the given node. + * @param {ASTNode} node The AST node to get the comments for. + * @returns {Object} The list of comments indexed by their position. + */ + api.getComments = function(node) { + + var leadingComments = node.leadingComments || [], + trailingComments = node.trailingComments || []; + + /* + * Esprima adds a "comments" array on Program nodes rather than + * leadingComments/trailingComments. Comments are only left in the + * Program node comments array if there is no executable code. + */ + if (node.type === "Program") { + if (node.body.length === 0) { + leadingComments = node.comments; + } + } + + return { + leading: leadingComments, + trailing: trailingComments + }; + }; + + /** + * Retrieves the JSDoc comment for a given node. + * @param {ASTNode} node The AST node to get the comment for. + * @returns {ASTNode} The BlockComment node containing the JSDoc for the + * given node or null if not found. + */ + api.getJSDocComment = function(node) { + + var parent = node.parent, + line = node.loc.start.line; + + /** + * Finds a JSDoc comment node in an array of comment nodes. + * @param {ASTNode[]} comments The array of comment nodes to search. + * @returns {ASTNode} The node if found, null if not. + * @private + */ + function findJSDocComment(comments) { + + if (comments) { + for (var i = comments.length - 1; i >= 0; i--) { + if (comments[i].type === "Block" && comments[i].value.charAt(0) === "*") { + + if (line - comments[i].loc.end.line <= 1) { + return comments[i]; + } else { + break; + } + } + } + } + + return null; + } + + switch (node.type) { + case "FunctionDeclaration": + return findJSDocComment(node.leadingComments); + + case "FunctionExpression": + + if (parent.type !== "CallExpression" || parent.callee !== node) { + while (parent && !parent.leadingComments && parent.type !== "FunctionExpression" && parent.type !== "FunctionDeclaration") { + parent = parent.parent; + } + + return parent && (parent.type !== "FunctionDeclaration") ? findJSDocComment(parent.leadingComments) : null; + } + + // falls through + + default: + return null; + } + }; + + /** + * Gets a number of tokens that precede a given node's tokens in the token stream. + * @param {ASTNode} node The AST node. + * @param {int} [beforeCount=0] The number of tokens before the node to retrieve. + * @returns {[Token]} Array of objects representing tokens. + */ + api.getTokensBefore = function(node, beforeCount) { + var beforeTokens = [], cursor = node.range[0] - 1; + while (beforeCount > 0 && cursor >= 0) { + if (currentTokens[cursor]) { + beforeTokens.unshift(currentTokens[cursor]); + --beforeCount; + } + --cursor; + } + return beforeTokens; + }; + + /** + * Gets the token that precedes a given node's tokens in the token stream. + * @param {ASTNode} node The AST node. + * @param {int} [skip=0] A number of tokens to skip before the given node. + * @returns {Token} An object representing the token. + */ + api.getTokenBefore = function(node, skip) { + for (var cursor = node.range[0] - 1; cursor >= 0; --cursor) { + if (currentTokens[cursor]) { + if (skip > 0) { + --skip; + } else { + return currentTokens[cursor]; + } + } + } + }; + + /** + * Gets a number of tokens that precede a given node's tokens in the token stream. + * @param {ASTNode} node The AST node. + * @param {int} [afterCount=0] The number of tokens after the node to retrieve. + * @returns {[Token]} Array of objects representing tokens. + */ + api.getTokensAfter = function(node, afterCount) { + var afterTokens = [], cursor = node.range[1]; + while (afterCount > 0 && cursor < currentTokens.length) { + if (currentTokens[cursor]) { + afterTokens.push(currentTokens[cursor]); + --afterCount; + cursor = currentTokens[cursor].range[1]; + } else { + ++cursor; + } + } + return afterTokens; + }; + + /** + * Gets the token that follows a given node's tokens in the token stream. + * @param {ASTNode} node The AST node. + * @param {int} [skip=0] A number of tokens to skip after the given node. + * @returns {Token} An object representing the token. + */ + api.getTokenAfter = function(node, skip) { + for (var cursor = node.range[1]; cursor < currentTokens.length; ++cursor) { + if (currentTokens[cursor]) { + if (skip > 0) { + --skip; + } else { + return currentTokens[cursor]; + } + } + } + }; + + /** + * Gets all tokens that are related to the given node. + * @param {ASTNode} node The AST node. + * @param {int} [beforeCount=0] The number of tokens before the node to retrieve. + * @param {int} [afterCount=0] The number of tokens after the node to retrieve. + * @returns {[Token]} Array of objects representing tokens. + */ + api.getTokens = function(node, beforeCount, afterCount) { + var beforeTokens = api.getTokensBefore(node, beforeCount), + afterTokens = api.getTokensAfter(node, afterCount), + tokens = [], + cursor = node.range[0]; + while (cursor < node.range[1]) { + if (currentTokens[cursor]) { + tokens.push(currentTokens[cursor]); + cursor = currentTokens[cursor].range[1]; + } else { + ++cursor; + } + } + return beforeTokens.concat(tokens, afterTokens); + }; + + /** + * Gets the first `count` tokens of the given node's token stream. + * @param {ASTNode} node The AST node. + * @param {int} [count=0] The number of tokens of the node to retrieve. + * @returns {[Token]} Array of objects representing tokens. + */ + api.getFirstTokens = function(node, count) { + var tokens = [], cursor = node.range[0]; + while (count > 0 && cursor < node.range[1]) { + if (currentTokens[cursor]) { + tokens.push(currentTokens[cursor]); + --count; + cursor = currentTokens[cursor].range[1]; + } else { + ++cursor; + } + } + return tokens; + }; + + /** + * Gets the first token of the given node's token stream. + * @param {ASTNode} node The AST node. + * @param {int} [skip=0] A number of tokens to skip. + * @returns {Token} An object representing the token. + */ + api.getFirstToken = function(node, skip) { + for (var cursor = node.range[0]; cursor < node.range[1]; ++cursor) { + if (currentTokens[cursor]) { + if (skip > 0) { + --skip; + } else { + return currentTokens[cursor]; + } + } + } + }; + + /** + * Gets the last `count` tokens of the given node. + * @param {ASTNode} node The AST node. + * @param {int} [count=0] The number of tokens of the node to retrieve. + * @returns {[Token]} Array of objects representing tokens. + */ + api.getLastTokens = function(node, count) { + var tokens = [], cursor = node.range[1] - 1; + while (count > 0 && cursor >= node.range[0]) { + if (currentTokens[cursor]) { + tokens.unshift(currentTokens[cursor]); + --count; + } + --cursor; + } + return tokens; + }; + + /** + * Gets the last token of the given node's token stream. + * @param {ASTNode} node The AST node. + * @param {int} [skip=0] A number of tokens to skip. + * @returns {Token} An object representing the token. + */ + api.getLastToken = function(node, skip) { + for (var cursor = node.range[1] - 1; cursor >= node.range[0]; --cursor) { + if (currentTokens[cursor]) { + if (skip > 0) { + --skip; + } else { + return currentTokens[cursor]; + } + } + } + }; + + /** + * Gets nodes that are ancestors of current node. + * @returns {ASTNode[]} Array of objects representing ancestors. + */ + api.getAncestors = function() { + return controller.parents(); + }; + + + /** + * Gets the scope for the current node. + * @returns {Object} An object representing the current node's scope. + */ + api.getScope = function() { + var parents = controller.parents(), + innerBlock = null, + selectedScopeIndex; + + // Don't do this for Program nodes - they have no parents + if (parents.length) { + + // if current node is function declaration, add it to the list + var current = controller.current(); + if (current.type === "FunctionDeclaration" || current.type === "FunctionExpression") { + parents.push(current); + } + + // Ascend the current node's parents + for (var i = parents.length - 1; i >= 0; --i) { + + // The first node that requires a scope is the node that will be + // our current node's innermost scope. + if (escope.Scope.isScopeRequired(parents[i])) { + innerBlock = parents[i]; + break; + } + } + + // Find and return the innermost scope + selectedScopeIndex = scopeMap[innerBlock.range[0]]; + + // Named function expressions create two nested scope objects. The + // outer scope contains only the function expression name. We return + // the inner scope. + if (innerBlock.type === "FunctionExpression" && innerBlock.id && innerBlock.id.name) { + ++selectedScopeIndex; + } + + return currentScopes[selectedScopeIndex]; + } else { + return currentScopes[0]; // global scope + } + }; + + /** + * Gets the filename for the currently parsed source. + * @returns {string} The filename associated with the source being parsed. + * Defaults to "<input>" if no filename info is present. + */ + api.getFilename = function() { + if (typeof currentFilename === "string") { + return currentFilename; + } else { + return "<input>"; + } + }; + + /** + * Defines a new linting rule. + * @param {string} ruleId A unique rule identifier + * @param {Function} ruleModule Function from context to object mapping AST node types to event handlers + * @returns {void} + */ + var defineRule = api.defineRule = function(ruleId, ruleModule) { + rules.define(ruleId, ruleModule); + }; + + /** + * Defines many new linting rules. + * @param {object} rules map from unique rule identifier to rule + * @returns {void} + */ + api.defineRules = function(rules) { + Object.getOwnPropertyNames(rules).forEach(function(ruleId) { + defineRule(ruleId, rules[ruleId]); + }); + }; + + /** + * Gets the default eslint configuration. + * @returns {Object} Object mapping rule IDs to their default configurations + */ + api.defaults = function() { + return require("../conf/eslint.json"); + }; + + return api; + +}()); + +},{"../conf/environments.json":1,"../conf/eslint.json":2,"./rule-context":11,"./rules":12,"./util":150,"escope":5,"esprima":6,"estraverse":7,"events":3,"object-assign":8}],10:[function(require,module,exports){ +module.exports = function() { + var rules = Object.create(null); + rules["block-scoped-var"] = require("./rules/block-scoped-var"); + rules["brace-style"] = require("./rules/brace-style"); + rules["camelcase"] = require("./rules/camelcase"); + rules["comma-spacing"] = require("./rules/comma-spacing"); + rules["comma-style"] = require("./rules/comma-style"); + rules["complexity"] = require("./rules/complexity"); + rules["consistent-return"] = require("./rules/consistent-return"); + rules["consistent-this"] = require("./rules/consistent-this"); + rules["curly"] = require("./rules/curly"); + rules["default-case"] = require("./rules/default-case"); + rules["dot-notation"] = require("./rules/dot-notation"); + rules["eol-last"] = require("./rules/eol-last"); + rules["eqeqeq"] = require("./rules/eqeqeq"); + rules["func-names"] = require("./rules/func-names"); + rules["func-style"] = require("./rules/func-style"); + rules["global-strict"] = require("./rules/global-strict"); + rules["guard-for-in"] = require("./rules/guard-for-in"); + rules["handle-callback-err"] = require("./rules/handle-callback-err"); + rules["key-spacing"] = require("./rules/key-spacing"); + rules["max-depth"] = require("./rules/max-depth"); + rules["max-len"] = require("./rules/max-len"); + rules["max-nested-callbacks"] = require("./rules/max-nested-callbacks"); + rules["max-params"] = require("./rules/max-params"); + rules["max-statements"] = require("./rules/max-statements"); + rules["new-cap"] = require("./rules/new-cap"); + rules["new-parens"] = require("./rules/new-parens"); + rules["no-alert"] = require("./rules/no-alert"); + rules["no-array-constructor"] = require("./rules/no-array-constructor"); + rules["no-bitwise"] = require("./rules/no-bitwise"); + rules["no-caller"] = require("./rules/no-caller"); + rules["no-catch-shadow"] = require("./rules/no-catch-shadow"); + rules["no-comma-dangle"] = require("./rules/no-comma-dangle"); + rules["no-cond-assign"] = require("./rules/no-cond-assign"); + rules["no-console"] = require("./rules/no-console"); + rules["no-constant-condition"] = require("./rules/no-constant-condition"); + rules["no-control-regex"] = require("./rules/no-control-regex"); + rules["no-debugger"] = require("./rules/no-debugger"); + rules["no-delete-var"] = require("./rules/no-delete-var"); + rules["no-div-regex"] = require("./rules/no-div-regex"); + rules["no-dupe-keys"] = require("./rules/no-dupe-keys"); + rules["no-else-return"] = require("./rules/no-else-return"); + rules["no-empty-class"] = require("./rules/no-empty-class"); + rules["no-empty-label"] = require("./rules/no-empty-label"); + rules["no-empty"] = require("./rules/no-empty"); + rules["no-eq-null"] = require("./rules/no-eq-null"); + rules["no-eval"] = require("./rules/no-eval"); + rules["no-ex-assign"] = require("./rules/no-ex-assign"); + rules["no-extend-native"] = require("./rules/no-extend-native"); + rules["no-extra-bind"] = require("./rules/no-extra-bind"); + rules["no-extra-boolean-cast"] = require("./rules/no-extra-boolean-cast"); + rules["no-extra-parens"] = require("./rules/no-extra-parens"); + rules["no-extra-semi"] = require("./rules/no-extra-semi"); + rules["no-extra-strict"] = require("./rules/no-extra-strict"); + rules["no-fallthrough"] = require("./rules/no-fallthrough"); + rules["no-floating-decimal"] = require("./rules/no-floating-decimal"); + rules["no-func-assign"] = require("./rules/no-func-assign"); + rules["no-implied-eval"] = require("./rules/no-implied-eval"); + rules["no-inner-declarations"] = require("./rules/no-inner-declarations"); + rules["no-invalid-regexp"] = require("./rules/no-invalid-regexp"); + rules["no-iterator"] = require("./rules/no-iterator"); + rules["no-label-var"] = require("./rules/no-label-var"); + rules["no-labels"] = require("./rules/no-labels"); + rules["no-lone-blocks"] = require("./rules/no-lone-blocks"); + rules["no-lonely-if"] = require("./rules/no-lonely-if"); + rules["no-loop-func"] = require("./rules/no-loop-func"); + rules["no-mixed-requires"] = require("./rules/no-mixed-requires"); + rules["no-mixed-spaces-and-tabs"] = require("./rules/no-mixed-spaces-and-tabs"); + rules["no-multi-spaces"] = require("./rules/no-multi-spaces"); + rules["no-multi-str"] = require("./rules/no-multi-str"); + rules["no-multiple-empty-lines"] = require("./rules/no-multiple-empty-lines"); + rules["no-native-reassign"] = require("./rules/no-native-reassign"); + rules["no-negated-in-lhs"] = require("./rules/no-negated-in-lhs"); + rules["no-nested-ternary"] = require("./rules/no-nested-ternary"); + rules["no-new-func"] = require("./rules/no-new-func"); + rules["no-new-object"] = require("./rules/no-new-object"); + rules["no-new-require"] = require("./rules/no-new-require"); + rules["no-new-wrappers"] = require("./rules/no-new-wrappers"); + rules["no-new"] = require("./rules/no-new"); + rules["no-obj-calls"] = require("./rules/no-obj-calls"); + rules["no-octal-escape"] = require("./rules/no-octal-escape"); + rules["no-octal"] = require("./rules/no-octal"); + rules["no-path-concat"] = require("./rules/no-path-concat"); + rules["no-plusplus"] = require("./rules/no-plusplus"); + rules["no-process-env"] = require("./rules/no-process-env"); + rules["no-process-exit"] = require("./rules/no-process-exit"); + rules["no-proto"] = require("./rules/no-proto"); + rules["no-redeclare"] = require("./rules/no-redeclare"); + rules["no-regex-spaces"] = require("./rules/no-regex-spaces"); + rules["no-reserved-keys"] = require("./rules/no-reserved-keys"); + rules["no-restricted-modules"] = require("./rules/no-restricted-modules"); + rules["no-return-assign"] = require("./rules/no-return-assign"); + rules["no-script-url"] = require("./rules/no-script-url"); + rules["no-self-compare"] = require("./rules/no-self-compare"); + rules["no-sequences"] = require("./rules/no-sequences"); + rules["no-shadow-restricted-names"] = require("./rules/no-shadow-restricted-names"); + rules["no-shadow"] = require("./rules/no-shadow"); + rules["no-space-before-semi"] = require("./rules/no-space-before-semi"); + rules["no-spaced-func"] = require("./rules/no-spaced-func"); + rules["no-sparse-arrays"] = require("./rules/no-sparse-arrays"); + rules["no-sync"] = require("./rules/no-sync"); + rules["no-ternary"] = require("./rules/no-ternary"); + rules["no-trailing-spaces"] = require("./rules/no-trailing-spaces"); + rules["no-undef-init"] = require("./rules/no-undef-init"); + rules["no-undef"] = require("./rules/no-undef"); + rules["no-undefined"] = require("./rules/no-undefined"); + rules["no-underscore-dangle"] = require("./rules/no-underscore-dangle"); + rules["no-unreachable"] = require("./rules/no-unreachable"); + rules["no-unused-expressions"] = require("./rules/no-unused-expressions"); + rules["no-unused-vars"] = require("./rules/no-unused-vars"); + rules["no-use-before-define"] = require("./rules/no-use-before-define"); + rules["no-void"] = require("./rules/no-void"); + rules["no-warning-comments"] = require("./rules/no-warning-comments"); + rules["no-with"] = require("./rules/no-with"); + rules["no-wrap-func"] = require("./rules/no-wrap-func"); + rules["one-var"] = require("./rules/one-var"); + rules["padded-blocks"] = require("./rules/padded-blocks"); + rules["quote-props"] = require("./rules/quote-props"); + rules["quotes"] = require("./rules/quotes"); + rules["radix"] = require("./rules/radix"); + rules["semi"] = require("./rules/semi"); + rules["sort-vars"] = require("./rules/sort-vars"); + rules["space-after-keywords"] = require("./rules/space-after-keywords"); + rules["space-before-blocks"] = require("./rules/space-before-blocks"); + rules["space-in-brackets"] = require("./rules/space-in-brackets"); + rules["space-in-parens"] = require("./rules/space-in-parens"); + rules["space-infix-ops"] = require("./rules/space-infix-ops"); + rules["space-return-throw-case"] = require("./rules/space-return-throw-case"); + rules["space-unary-word-ops"] = require("./rules/space-unary-word-ops"); + rules["spaced-line-comment"] = require("./rules/spaced-line-comment"); + rules["strict"] = require("./rules/strict"); + rules["use-isnan"] = require("./rules/use-isnan"); + rules["valid-jsdoc"] = require("./rules/valid-jsdoc"); + rules["valid-typeof"] = require("./rules/valid-typeof"); + rules["vars-on-top"] = require("./rules/vars-on-top"); + rules["wrap-iife"] = require("./rules/wrap-iife"); + rules["wrap-regex"] = require("./rules/wrap-regex"); + rules["yoda"] = require("./rules/yoda"); + + return rules; +}; +},{"./rules/block-scoped-var":13,"./rules/brace-style":14,"./rules/camelcase":15,"./rules/comma-spacing":16,"./rules/comma-style":17,"./rules/complexity":18,"./rules/consistent-return":19,"./rules/consistent-this":20,"./rules/curly":21,"./rules/default-case":22,"./rules/dot-notation":23,"./rules/eol-last":24,"./rules/eqeqeq":25,"./rules/func-names":26,"./rules/func-style":27,"./rules/global-strict":28,"./rules/guard-for-in":29,"./rules/handle-callback-err":30,"./rules/key-spacing":31,"./rules/max-depth":32,"./rules/max-len":33,"./rules/max-nested-callbacks":34,"./rules/max-params":35,"./rules/max-statements":36,"./rules/new-cap":37,"./rules/new-parens":38,"./rules/no-alert":39,"./rules/no-array-constructor":40,"./rules/no-bitwise":41,"./rules/no-caller":42,"./rules/no-catch-shadow":43,"./rules/no-comma-dangle":44,"./rules/no-cond-assign":45,"./rules/no-console":46,"./rules/no-constant-condition":47,"./rules/no-control-regex":48,"./rules/no-debugger":49,"./rules/no-delete-var":50,"./rules/no-div-regex":51,"./rules/no-dupe-keys":52,"./rules/no-else-return":53,"./rules/no-empty":56,"./rules/no-empty-class":54,"./rules/no-empty-label":55,"./rules/no-eq-null":57,"./rules/no-eval":58,"./rules/no-ex-assign":59,"./rules/no-extend-native":60,"./rules/no-extra-bind":61,"./rules/no-extra-boolean-cast":62,"./rules/no-extra-parens":63,"./rules/no-extra-semi":64,"./rules/no-extra-strict":65,"./rules/no-fallthrough":66,"./rules/no-floating-decimal":67,"./rules/no-func-assign":68,"./rules/no-implied-eval":69,"./rules/no-inner-declarations":70,"./rules/no-invalid-regexp":71,"./rules/no-iterator":72,"./rules/no-label-var":73,"./rules/no-labels":74,"./rules/no-lone-blocks":75,"./rules/no-lonely-if":76,"./rules/no-loop-func":77,"./rules/no-mixed-requires":78,"./rules/no-mixed-spaces-and-tabs":79,"./rules/no-multi-spaces":80,"./rules/no-multi-str":81,"./rules/no-multiple-empty-lines":82,"./rules/no-native-reassign":83,"./rules/no-negated-in-lhs":84,"./rules/no-nested-ternary":85,"./rules/no-new":90,"./rules/no-new-func":86,"./rules/no-new-object":87,"./rules/no-new-require":88,"./rules/no-new-wrappers":89,"./rules/no-obj-calls":91,"./rules/no-octal":93,"./rules/no-octal-escape":92,"./rules/no-path-concat":94,"./rules/no-plusplus":95,"./rules/no-process-env":96,"./rules/no-process-exit":97,"./rules/no-proto":98,"./rules/no-redeclare":99,"./rules/no-regex-spaces":100,"./rules/no-reserved-keys":101,"./rules/no-restricted-modules":102,"./rules/no-return-assign":103,"./rules/no-script-url":104,"./rules/no-self-compare":105,"./rules/no-sequences":106,"./rules/no-shadow":108,"./rules/no-shadow-restricted-names":107,"./rules/no-space-before-semi":109,"./rules/no-spaced-func":110,"./rules/no-sparse-arrays":111,"./rules/no-sync":112,"./rules/no-ternary":113,"./rules/no-trailing-spaces":114,"./rules/no-undef":116,"./rules/no-undef-init":115,"./rules/no-undefined":117,"./rules/no-underscore-dangle":118,"./rules/no-unreachable":119,"./rules/no-unused-expressions":120,"./rules/no-unused-vars":121,"./rules/no-use-before-define":122,"./rules/no-void":123,"./rules/no-warning-comments":124,"./rules/no-with":125,"./rules/no-wrap-func":126,"./rules/one-var":127,"./rules/padded-blocks":128,"./rules/quote-props":129,"./rules/quotes":130,"./rules/radix":131,"./rules/semi":132,"./rules/sort-vars":133,"./rules/space-after-keywords":134,"./rules/space-before-blocks":135,"./rules/space-in-brackets":136,"./rules/space-in-parens":137,"./rules/space-infix-ops":138,"./rules/space-return-throw-case":139,"./rules/space-unary-word-ops":140,"./rules/spaced-line-comment":141,"./rules/strict":142,"./rules/use-isnan":143,"./rules/valid-jsdoc":144,"./rules/valid-typeof":145,"./rules/vars-on-top":146,"./rules/wrap-iife":147,"./rules/wrap-regex":148,"./rules/yoda":149}],11:[function(require,module,exports){ +/** + * @fileoverview RuleContext utility for rules + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +var PASSTHROUGHS = [ + "getSource", + "getSourceLines", + "getTokens", + "getTokensBefore", + "getTokenBefore", + "getTokensAfter", + "getTokenAfter", + "getFirstTokens", + "getFirstToken", + "getLastTokens", + "getLastToken", + "getComments", + "getAncestors", + "getScope", + "getJSDocComment", + "getFilename" + ]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Acts as an abstraction layer between rules and the main eslint object. + * @constructor + * @param {string} ruleId The ID of the rule using this object. + * @param {eslint} eslint The eslint object. + * @param {number} severity The configured severity level of the rule. + * @param {array} options The configuration information to be added to the rule. + * @param {object} settings The configuration settings passed from the config file. + */ +function RuleContext(ruleId, eslint, severity, options, settings) { + + /** + * The read-only ID of the rule. + */ + Object.defineProperty(this, "id", { + value: ruleId + }); + + /** + * The read-only options of the rule + */ + Object.defineProperty(this, "options", { + value: options + }); + + /** + * The read-only settings shared between all rules + */ + Object.defineProperty(this, "settings", { + value: settings + }); + + // copy over passthrough methods + PASSTHROUGHS.forEach(function(name) { + this[name] = function() { + return eslint[name].apply(eslint, arguments); + }; + }, this); + + /** + * Passthrough to eslint.report() that automatically assigns the rule ID and severity. + * @param {ASTNode} node The AST node related to the message. + * @param {Object=} location The location of the error. + * @param {string} message The message to display to the user. + * @param {Object} opts Optional template data which produces a formatted message + * with symbols being replaced by this object's values. + * @returns {void} + */ + this.report = function(node, location, message, opts) { + eslint.report(ruleId, severity, node, location, message, opts); + }; + +} + +RuleContext.prototype = { + constructor: RuleContext +}; + +module.exports = RuleContext; + +},{}],12:[function(require,module,exports){ +/** + * @fileoverview Defines a storage for rules. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +var loadRules = require("./load-rules"); + +//------------------------------------------------------------------------------ +// Privates +//------------------------------------------------------------------------------ + +var rules = Object.create(null); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Registers a rule module for rule id in storage. + * @param {String} ruleId Rule id (file name). + * @param {Function} ruleModule Rule handler. + * @returns {void} + */ +function define(ruleId, ruleModule) { + rules[ruleId] = ruleModule; +} + +exports.define = define; + +/** + * Loads and registers all rules from passed rules directory. + * @param {String} [rulesDir] Path to rules directory, may be relative. Defaults to `lib/rules`. + * @returns {void} + */ +function load(rulesDir) { + var newRules = loadRules(rulesDir); + Object.keys(newRules).forEach(function(ruleId) { + define(ruleId, newRules[ruleId]); + }); +} + +exports.load = load; + +/** + * Registers all given rules of a plugin. + * @param {Object} pluginRules A key/value map of rule definitions. + * @param {String} pluginName The name of the plugin without prefix (`eslint-plugin-`). + * @returns {void} + */ +exports.import = function (pluginRules, pluginName) { + Object.keys(pluginRules).forEach(function (ruleId) { + var qualifiedRuleId = pluginName + "/" + ruleId, + rule = pluginRules[ruleId]; + + define(qualifiedRuleId, rule); + }); +}; + +/** + * Access rule handler by id (file name). + * @param {String} ruleId Rule id (file name). + * @returns {Function} Rule handler. + */ +exports.get = function(ruleId) { + return rules[ruleId]; +}; + +/** + * Reset rules storage. + * Should be used only in tests. + * @returns {void} + */ +exports.testClear = function() { + rules = Object.create(null); +}; + +//------------------------------------------------------------------------------ +// Initialization +//------------------------------------------------------------------------------ + +// loads built-in rules +load(); + +},{"./load-rules":10}],13:[function(require,module,exports){ +/** + * @fileoverview Rule to check for "block scoped" variables by binding context + * @author Matt DuVall <http://www.mattduvall.com> + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var scopeStack = []; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines whether an identifier is in declaration position or is a non-declaration reference. + * @param {ASTNode} id The identifier. + * @param {ASTNode} parent The identifier's parent AST node. + * @returns {Boolean} true when the identifier is in declaration position. + */ + function isDeclaration(id, parent) { + switch (parent.type) { + case "FunctionDeclaration": + case "FunctionExpression": + return parent.params.indexOf(id) > -1 || id === parent.id; + + case "VariableDeclarator": + return id === parent.id; + + case "CatchClause": + return id === parent.param; + + default: + return false; + } + } + + /** + * Determines whether an identifier is in property position. + * @param {ASTNode} id The identifier. + * @param {ASTNode} parent The identifier's parent AST node. + * @returns {Boolean} true when the identifier is in property position. + */ + function isProperty(id, parent) { + switch (parent.type) { + case "MemberExpression": + return id === parent.property && !parent.computed; + + case "Property": + return id === parent.key; + + default: + return false; + } + } + + /** + * Pushes a new scope object on the scope stack. + * @returns {void} + */ + function pushScope() { + scopeStack.push([]); + } + + /** + * Removes the topmost scope object from the scope stack. + * @returns {void} + */ + function popScope() { + scopeStack.pop(); + } + + /** + * Declares the given names in the topmost scope object. + * @param {[String]} names A list of names to declare. + * @returns {void} + */ + function declare(names) { + [].push.apply(scopeStack[scopeStack.length - 1], names); + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + function functionHandler(node) { + pushScope(); + declare(node.params.map(function(id) { + return id.name; + })); + declare(node.id ? [node.id.name] : []); + declare(["arguments"]); + } + + function variableDeclarationHandler(node) { + declare(node.declarations.map(function(decl) { + return decl.id.name; + })); + } + + return { + "Program": function() { + scopeStack = [context.getScope().variables.map(function(v) { + return v.name; + })]; + }, + + "BlockStatement": function(node) { + var statements = node.body; + pushScope(); + statements.forEach(function(stmt) { + if (stmt.type === "VariableDeclaration") { + variableDeclarationHandler(stmt); + } else if (stmt.type === "FunctionDeclaration") { + declare([stmt.id.name]); + } + }); + }, + + "BlockStatement:exit": popScope, + + "CatchClause": function(node) { + pushScope(); + declare([node.param.name]); + }, + "CatchClause:exit": popScope, + + "FunctionDeclaration": functionHandler, + "FunctionDeclaration:exit": popScope, + + "FunctionExpression": functionHandler, + "FunctionExpression:exit": popScope, + + "ForStatement": function(node) { + pushScope(); + if (node.init && node.init.type === "VariableDeclaration") { + variableDeclarationHandler(node.init); + } + }, + "ForStatement:exit": popScope, + + "ForInStatement": function(node) { + pushScope(); + if (node.left.type === "VariableDeclaration") { + variableDeclarationHandler(node.left); + } + }, + "ForInStatement:exit": popScope, + + "Identifier": function(node) { + var ancestor = context.getAncestors().pop(); + if (isDeclaration(node, ancestor) || isProperty(node, ancestor)) { + return; + } + for (var i = 0, l = scopeStack.length; i < l; i++) { + if (scopeStack[i].indexOf(node.name) > -1) { + return; + } + } + + context.report(node, "\"" + node.name + "\" used outside of binding context."); + } + }; + +}; + +},{}],14:[function(require,module,exports){ +/** + * @fileoverview Rule to flag block statements that do not use the one true brace style + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + var style = context.options[0] || "1tbs"; + var params = context.options[1] || {}; + + var OPEN_MESSAGE = "Opening curly brace does not appear on the same line as controlling statement.", + BODY_MESSAGE = "Statement inside of curly braces should be on next line.", + CLOSE_MESSAGE = "Closing curly brace does not appear on the same line as the subsequent block.", + CLOSE_MESSAGE_SINGLE = "Closing curly brace should be on the same line as opening curly brace or on the line after the previous block.", + CLOSE_MESSAGE_STROUSTRUP = "Closing curly brace appears on the same line as the subsequent block."; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Binds a list of properties to a function that verifies that the opening + * curly brace is on the same line as its controlling statement of a given + * node. + * @param {...string} The properties to check on the node. + * @returns {Function} A function that will perform the check on a node + */ + function checkBlock() { + var blockProperties = arguments; + return function(node) { + [].forEach.call(blockProperties, function(blockProp) { + var block = node[blockProp], previousToken, curlyToken, curlyTokenEnd, curlyTokensOnSameLine; + block = node[blockProp]; + if (block && block.type === "BlockStatement") { + previousToken = context.getTokenBefore(block); + curlyToken = context.getFirstToken(block); + curlyTokenEnd = context.getLastToken(block); + curlyTokensOnSameLine = curlyToken.loc.start.line === curlyTokenEnd.loc.start.line; + + if (previousToken.loc.start.line !== curlyToken.loc.start.line) { + context.report(node, OPEN_MESSAGE); + } else if (block.body.length && params.allowSingleLine) { + if (curlyToken.loc.start.line === block.body[0].loc.start.line && !curlyTokensOnSameLine) { + context.report(block.body[0], BODY_MESSAGE); + } else if (curlyTokenEnd.loc.start.line === block.body[block.body.length - 1].loc.start.line && !curlyTokensOnSameLine) { + context.report(block.body[block.body.length - 1], CLOSE_MESSAGE_SINGLE); + } + } else if (block.body.length && curlyToken.loc.start.line === block.body[0].loc.start.line) { + context.report(block.body[0], BODY_MESSAGE); + } + } + }); + }; + } + + /** + * Enforces the configured brace style on IfStatements + * @param {ASTNode} node An IfStatement node. + * @returns {void} + */ + function checkIfStatement(node) { + var tokens; + + checkBlock("consequent", "alternate")(node); + + if (node.alternate && node.alternate.type === "BlockStatement") { + tokens = context.getTokensBefore(node.alternate, 2); + if (style === "1tbs") { + if (tokens[0].loc.start.line !== tokens[1].loc.start.line) { + context.report(node.alternate, CLOSE_MESSAGE); + } + } else if (style === "stroustrup") { + if (tokens[0].loc.start.line === tokens[1].loc.start.line) { + context.report(node.alternate, CLOSE_MESSAGE_STROUSTRUP); + } + } + } + } + + /** + * Enforces the configured brace style on TryStatements + * @param {ASTNode} node A TryStatement node. + * @returns {void} + */ + function checkTryStatement(node) { + var tokens; + + checkBlock("block", "finalizer")(node); + + if (node.finalizer && node.finalizer.type === "BlockStatement") { + tokens = context.getTokensBefore(node.finalizer, 2); + if (style === "1tbs") { + if (tokens[0].loc.start.line !== tokens[1].loc.start.line) { + context.report(node.finalizer, CLOSE_MESSAGE); + } + } else if (style === "stroustrup") { + if (tokens[0].loc.start.line === tokens[1].loc.start.line) { + context.report(node.finalizer, CLOSE_MESSAGE_STROUSTRUP); + } + } + } + } + + /** + * Enforces the configured brace style on CatchClauses + * @param {ASTNode} node A CatchClause node. + * @returns {void} + */ + function checkCatchClause(node) { + var previousToken = context.getTokenBefore(node), + firstToken = context.getFirstToken(node); + + checkBlock("body")(node); + + if (node.body && node.body.type === "BlockStatement") { + if (style === "1tbs") { + if (previousToken.loc.start.line !== firstToken.loc.start.line) { + context.report(node, CLOSE_MESSAGE); + } + } else if (style === "stroustrup") { + if (previousToken.loc.start.line === firstToken.loc.start.line) { + context.report(node, CLOSE_MESSAGE_STROUSTRUP); + } + } + } + } + + /** + * Enforces the configured brace style on SwitchStatements + * @param {ASTNode} node A SwitchStatement node. + * @returns {void} + */ + function checkSwitchStatement(node) { + var tokens; + if (node.cases && node.cases.length) { + tokens = context.getTokensBefore(node.cases[0], 2); + if (tokens[0].loc.start.line !== tokens[1].loc.start.line) { + context.report(node, OPEN_MESSAGE); + } + } else { + tokens = context.getLastTokens(node, 3); + if (tokens[0].loc.start.line !== tokens[1].loc.start.line) { + context.report(node, OPEN_MESSAGE); + } + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "FunctionDeclaration": checkBlock("body"), + "FunctionExpression": checkBlock("body"), + "IfStatement": checkIfStatement, + "TryStatement": checkTryStatement, + "CatchClause": checkCatchClause, + "DoWhileStatement": checkBlock("body"), + "WhileStatement": checkBlock("body"), + "WithStatement": checkBlock("body"), + "ForStatement": checkBlock("body"), + "ForInStatement": checkBlock("body"), + "SwitchStatement": checkSwitchStatement + }; + +}; + +},{}],15:[function(require,module,exports){ +/** + * @fileoverview Rule to flag non-camelcased identifiers + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks if a string contains an underscore and isn't all upper-case + * @param {String} name The string to check. + * @returns {boolean} if the string is underscored + * @private + */ + function isUnderscored(name) { + + // if there's an underscore, it might be A_CONSTANT, which is okay + return name.indexOf("_") > -1 && name !== name.toUpperCase(); + } + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + context.report(node, "Identifier '{{name}}' is not in camel case.", { name: node.name }); + } + + return { + + "Identifier": function(node) { + + // Leading and trailing underscores are commonly used to flag private/protected identifiers, strip them + var name = node.name.replace(/^_+|_+$/g, ""), + effectiveParent = (node.parent.type === "MemberExpression") ? node.parent.parent : node.parent; + + // MemberExpressions get special rules + if (node.parent.type === "MemberExpression") { + + // Always report underscored object names + if (node.parent.object.type === "Identifier" && + node.parent.object.name === node.name && + isUnderscored(name)) { + report(node); + + // Report AssignmentExpressions only if they are the left side of the assignment + } else if (effectiveParent.type === "AssignmentExpression" && + isUnderscored(name) && + (effectiveParent.right.type !== "MemberExpression" || + effectiveParent.left.type === "MemberExpression" && + effectiveParent.left.property.name === node.name)) { + report(node); + } + + // Report anything that is underscored that isn't a CallExpression + } else if (isUnderscored(name) && effectiveParent.type !== "CallExpression") { + report(node); + } + } + }; + +}; + +},{}],16:[function(require,module,exports){ +/** + * @fileoverview Comma spacing - validates spacing before and after comma + * @author Vignesh Anand aka vegetableman. + * @copyright 2014 Vignesh Anand. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + var options = { + before: context.options[0] ? !!context.options[0].before : false, + after: context.options[0] ? !!context.options[0].after : true + }; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines whether two adjacent tokens have whitespace between them. + * @param {Object} left - The left token object. + * @param {Object} right - The right token object. + * @returns {boolean} Whether or not there is space between the tokens. + */ + function isSpaced(left, right) { + return left.range[1] < right.range[0]; + } + + /** + * Run report. + * @param {ASTNode} node The binary expression node to check. + * @param {string} msg The error msg to show. + * @private + * @returns {void} + */ + function report(node, msg) { + context.report(node, msg); + } + + /** + * Show space required message. + * @param {string} dir The location of spacing. + * @private + * @returns {string} The spacing error msg. + */ + function getSpaceReqMsg(dir) { + return "A space is required " + dir + " ','."; + } + + /** + * Show no space message. + * @param {string} dir The location of spacing + * @private + * @returns {string} The spacing error msg. + */ + function getNoSpaceMsg(dir) { + return "There should be no space " + dir + " ','."; + } + + /** + * Validates the spacing before and after commas. + * @param {ASTNode} node The binary expression node to check. + * @param {string} property The property of the node. + * @private + * @returns {void} + */ + function validateCommaSpacing(node, property) { + var items = node[property]; + + if (items && items.length > 1) { + items.forEach(function(item, index) { + var tokenBefore = context.getTokenBefore(item), + itemBefore = items[index - 1], + tokenEndLine; + + if (tokenBefore && tokenBefore.value === ",") { + tokenEndLine = tokenBefore.loc.end.line; + + // single line + if (tokenEndLine === itemBefore.loc.end.line && + tokenEndLine === item.loc.start.line) { + if (options.before && options.after) { + if (!isSpaced(itemBefore, tokenBefore)) { + report(item, getSpaceReqMsg("before")); + } + if (!isSpaced(tokenBefore, item)) { + report(item, getSpaceReqMsg("after")); + } + } else if (options.before) { + if (!isSpaced(itemBefore, tokenBefore)) { + report(item, getSpaceReqMsg("before")); + } + if (isSpaced(tokenBefore, item)) { + report(item, getNoSpaceMsg("after")); + } + } else if (options.after) { + if (!isSpaced(tokenBefore, item)) { + report(item, getSpaceReqMsg("after")); + } + if (isSpaced(itemBefore, tokenBefore)) { + report(item, getNoSpaceMsg("before")); + } + } else { + if (isSpaced(itemBefore, tokenBefore)) { + report(item, getNoSpaceMsg("before")); + } + if (isSpaced(tokenBefore, item)) { + report(item, getNoSpaceMsg("after")); + } + } + } + } + }); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "VariableDeclaration": function(node) { + validateCommaSpacing(node, "declarations"); + }, + "ObjectExpression": function(node) { + validateCommaSpacing(node, "properties"); + }, + "ArrayExpression": function(node) { + validateCommaSpacing(node, "elements"); + }, + "SequenceExpression": function(node) { + validateCommaSpacing(node, "expressions"); + }, + "FunctionExpression": function(node) { + validateCommaSpacing(node, "params"); + }, + "FunctionDeclaration": function(node) { + validateCommaSpacing(node, "params"); + } + }; + +}; + +},{}],17:[function(require,module,exports){ +/** + * @fileoverview Comma style - enforces comma styles of two types: last and first + * @author Vignesh Anand aka vegetableman + * @copyright 2014 Vignesh Anand. All rights reserved. + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var style = context.options[0] || "last"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks the comma placement with regards to a declaration/property/element + * @param {ASTNode} node The binary expression node to check + * @private + * @returns {void} + */ + function validateComma(node) { + var items = node.declarations || node.properties || node.elements; + + if (items.length > 1) { + items.forEach(function(item, index) { + var tokenBefore = context.getTokenBefore(item), + itemBefore = items[index - 1]; + + if (tokenBefore.value === ",") { + // if single line + if (tokenBefore.loc.end.line === item.loc.start.line && + tokenBefore.loc.end.line === itemBefore.loc.end.line) { + return; + } + // lone comma + else if (tokenBefore.loc.end.line !== item.loc.start.line && + tokenBefore.loc.end.line !== itemBefore.loc.end.line) { + context.report(item, { + line: tokenBefore.loc.end.line, + column: tokenBefore.loc.start.column + }, "Bad line breaking before and after ','."); + } + else if (style === "first" && + tokenBefore.loc.start.line !== item.loc.start.line) { + context.report(item, "',' should be placed first."); + } + else if (style === "last" && + tokenBefore.loc.end.line === item.loc.start.line) { + context.report(item, { + line: itemBefore.loc.end.line, + column: itemBefore.loc.end.column + }, "',' should be placed last."); + } + } + }); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "VariableDeclaration": validateComma, + "ObjectExpression": validateComma, + "ArrayExpression": validateComma + }; + +}; + +},{}],18:[function(require,module,exports){ +/** + * @fileoverview Counts the cyclomatic complexity of each function of the script. See http://en.wikipedia.org/wiki/Cyclomatic_complexity. + * Counts the number of if, conditional, for, whilte, try, switch/case, + * @author Patrick Brosset + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var THRESHOLD = context.options[0]; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // Using a stack to store complexity (handling nested functions) + var fns = []; + + // When parsing a new function, store it in our function stack + function startFunction() { + fns.push(1); + } + + function endFunction(node) { + var complexity = fns.pop(), name = "anonymous"; + + if (node.id) { + name = node.id.name; + } + if (complexity > THRESHOLD) { + context.report(node, "Function '{{name}}' has a complexity of {{complexity}}.", { name: name, complexity: complexity }); + } + } + + function increaseComplexity() { + if (fns.length) { + fns[fns.length - 1] ++; + } + } + + function increaseSwitchComplexity(node) { + // Avoiding `default` + if (node.test) { + increaseComplexity(node); + } + } + + function increaseLogicalComplexity(node) { + // Avoiding && + if (node.operator === "||") { + increaseComplexity(node); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "FunctionDeclaration": startFunction, + "FunctionExpression": startFunction, + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction, + + "CatchClause": increaseComplexity, + "ConditionalExpression": increaseComplexity, + "LogicalExpression": increaseLogicalComplexity, + "ForStatement": increaseComplexity, + "ForInStatement": increaseComplexity, + "IfStatement": increaseComplexity, + "SwitchCase": increaseSwitchComplexity, + "WhileStatement": increaseComplexity, + "DoWhileStatement": increaseComplexity + }; + +}; + +},{}],19:[function(require,module,exports){ +/** + * @fileoverview Rule to flag consistent return values + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var functions = []; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + function enterFunction() { + functions.push({}); + } + + function exitFunction() { + functions.pop(); + } + + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "FunctionDeclaration": enterFunction, + "FunctionExpression": enterFunction, + "FunctionDeclaration:exit": exitFunction, + "FunctionExpression:exit": exitFunction, + + "ReturnStatement": function(node) { + + var returnInfo = functions[functions.length - 1], + returnTypeDefined = "type" in returnInfo; + + if (returnTypeDefined) { + + if (returnInfo.type !== !!node.argument) { + context.report(node, "Expected " + (returnInfo.type ? "a" : "no") + " return value."); + } + + } else { + returnInfo.type = !!node.argument; + } + + } + }; + +}; + +},{}],20:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce consistent naming of "this" context variables + * @author Raphael Pigulla + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "VariableDeclaration": function(node) { + var alias = context.options[0]; + + node.declarations.forEach(function(declaration) { + if (declaration.id.name === alias && + !(declaration.init && declaration.init.type === "ThisExpression")) { + + context.report( + node, + "Designated 'this' alias '{{alias}}' is not assigned " + + "to the current execution context.", + { alias: declaration.id.name } + ); + } + + if (declaration.init && + declaration.init.type === "ThisExpression" && + declaration.id.name !== alias) { + + context.report( + node, + "Unexpected alias '{{alias}}' for 'this'.", + { alias: declaration.id.name } + ); + } + }); + } + }; + +}; + +},{}],21:[function(require,module,exports){ +/** + * @fileoverview Rule to flag statements without curly braces + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var multiOnly = (context.options[0] === "multi"); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks the body of a node to see if it's a block statement. Depending on + * the rule options, reports the appropriate problems. + * @param {ASTNode} node The node to report if there's a problem. + * @param {ASTNode} body The body node to check for blocks. + * @param {string} name The name to report if there's a problem. + * @param {string} suffix Additional string to add to the end of a report. + * @returns {void} + */ + function checkBody(node, body, name, suffix) { + var hasBlock = (body.type === "BlockStatement"); + + if (multiOnly) { + if (hasBlock && body.body.length === 1) { + context.report(node, "Unnecessary { after '{{name}}'{{suffix}}.", + { + name: name, + suffix: (suffix ? " " + suffix : "") + } + ); + } + } else { + if (!hasBlock) { + context.report(node, "Expected { after '{{name}}'{{suffix}}.", + { + name: name, + suffix: (suffix ? " " + suffix : "") + } + ); + } + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "IfStatement": function(node) { + + checkBody(node, node.consequent, "if", "condition"); + + if (node.alternate && node.alternate.type !== "IfStatement") { + checkBody(node, node.alternate, "else"); + } + + }, + + "WhileStatement": function(node) { + checkBody(node, node.body, "while", "condition"); + }, + + "DoWhileStatement": function (node) { + checkBody(node, node.body, "do"); + }, + + "ForStatement": function(node) { + checkBody(node, node.body, "for", "condition"); + } + }; + +}; + +},{}],22:[function(require,module,exports){ +/** + * @fileoverview require default case in switch statements + * @author Aliaksei Shytkin + */ +"use strict"; + +var COMMENT_VALUE = "no default"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Shortcut to get last element of array + * @param {*[]} collection Array + * @returns {*} Last element + */ + function last(collection) { + return collection[collection.length - 1]; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "SwitchStatement": function(node) { + + if (!node.cases.length) { + // skip check of empty switch because there is no easy way + // to extract comments inside it now + return; + } + + var hasDefault = node.cases.some(function(v) { + return v.test === null; + }); + + if (!hasDefault) { + + var comment; + var comments; + + var lastCase = last(node.cases); + comments = context.getComments(lastCase).trailing; + + if (comments.length) { + comment = last(comments); + } + + if (!comment || comment.value.trim() !== COMMENT_VALUE) { + context.report(node, "Expected a default case."); + } + } + } + }; +}; + +},{}],23:[function(require,module,exports){ +/** + * @fileoverview Rule to warn about using dot notation instead of square bracket notation when possible. + * @author Josh Perez + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +var validIdentifier = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/; +var keywords = [ + "this", + "function", + "if", + "return", + "var", + "else", + "for", + "new", + "arguments", + "in", + "typeof", + "while", + "case", + "break", + "try", + "catch", + "delete", + "throw", + "switch", + "continue", + "default", + "instanceof", + "do", + "void", + "finally", + "with", + "debugger", + "eval", + "implements", + "interface", + "package", + "private", + "protected", + "public", + "static", + "yield", + "let", + "class", + "enum", + "export", + "extends", + "import", + "super", + "true", + "false", + "null", + "abstract", + "boolean", + "byte", + "char", + "const", + "double", + "final", + "float", + "goto", + "int", + "long", + "native", + "short", + "synchronized", + "throws", + "transient", + "volatile" +]; + +function canBeWrittenInDotNotation(node) { + return node.computed === true && + node.property.type === "Literal" && + validIdentifier.test(node.property.value) && + keywords.indexOf("" + node.property.value) === -1; +} + +module.exports = function(context) { + return { + "MemberExpression": function(node) { + if (canBeWrittenInDotNotation(node)) { + context.report(node, "['" + node.property.value + "'] is better written in dot notation."); + } + } + }; +}; + +},{}],24:[function(require,module,exports){ +/** + * @fileoverview Require file to end with single newline. + * @author Nodeca Team <https://github.com/nodeca> + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "Program": function checkBadEOF(node) { + // Get the whole source code, not for node only. + var src = context.getSource(), location = {column: 1}; + + if (src.length === 0) { + return; + } + + if (src[src.length - 1] !== "\n") { + // file is not newline-terminated + location.line = src.split(/\n/g).length; + context.report(node, location, "Newline required at end of file but not found."); + } else if (/\n\s*\n$/.test(src)) { + // last line is empty + location.line = src.split(/\n/g).length - 1; + context.report(node, location, "Unexpected blank line at end of file."); + } + } + + }; + +}; + +},{}],25:[function(require,module,exports){ +/** + * @fileoverview Rule to flag statements that use != and == instead of !== and === + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + /** + * Checks if either operand of a binary expression is a typeof operation + * @param {ASTNode} node The node to check + * @returns {boolean} if one of the operands is typeof + * @private + */ + function isTypeOf(node) { + return [node.left, node.right].some(function(node) { + return node.type === "UnaryExpression" && node.operator === "typeof"; + }); + } + + /** + * Checks if operands are literals of the same type (via typeof) + * @param {ASTNode} node The node to check + * @returns {boolean} if operands are of same type + * @private + */ + function areLiteralsAndSameType(node) { + return node.left.type === "Literal" && node.right.type === "Literal" && + typeof node.left.value === typeof node.right.value; + } + + /** + * Checks if one of the operands is a literal null + * @param {ASTNode} node The node to check + * @returns {boolean} if operands are null + * @private + */ + function isNullCheck(node) { + return (node.right.type === "Literal" && node.right.value === null) || + (node.left.type === "Literal" && node.left.value === null); + } + + /** + * Gets the location (line and column) of the binary expression's operator + * @param {ASTNode} node The binary expression node to check + * @param {String} operator The operator to find + * @returns {Object} { line, column } location of operator + * @private + */ + function getOperatorLocation(node) { + var opToken = context.getTokens(node)[context.getTokens(node.left).length]; + return {line: opToken.loc.start.line, column: opToken.loc.start.column}; + } + + return { + "BinaryExpression": function(node) { + if (node.operator !== "==" && node.operator !== "!=") { + return; + } + + if (context.options[0] === "smart" && (isTypeOf(node) || + areLiteralsAndSameType(node)) || isNullCheck(node)) { + return; + } + + if (context.options[0] === "allow-null" && isNullCheck(node)) { + return; + } + + context.report( + node, getOperatorLocation(node), + "Expected '{{op}}=' and instead saw '{{op}}'.", + {op: node.operator} + ); + } + }; + +}; + +},{}],26:[function(require,module,exports){ +/** + * @fileoverview Rule to warn when a function expression does not have a name. + * @author Kyle T. Nunery + */ + "use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + return { + "FunctionExpression": function(node) { + + var name = node.id && node.id.name; + + if (!name) { + context.report(node, "Missing function expression name."); + } + } + }; +}; + +},{}],27:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce a particular function style + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var style = context.options[0], + enforceDeclarations = (style === "declaration"); + + return { + + "FunctionDeclaration": function(node) { + if (!enforceDeclarations) { + context.report(node, "Expected a function expression."); + } + }, + + "FunctionExpression": function() { + var parent = context.getAncestors().pop(); + + if (enforceDeclarations && parent.type === "VariableDeclarator") { + context.report(parent, "Expected a function declaration."); + } + } + }; + +}; + +},{}],28:[function(require,module,exports){ +/** + * @fileoverview Rule to flag or require global strict mode. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var mode = context.options[0]; + + if (mode === "always") { + + return { + "Program": function(node) { + if (node.body.length > 0) { + var statement = node.body[0]; + + if (!(statement.type === "ExpressionStatement" && statement.expression.value === "use strict")) { + context.report(node, "Use the global form of \"use strict\"."); + } + } + } + }; + + } else { // mode = "never" + + return { + "ExpressionStatement": function(node) { + var parent = context.getAncestors().pop(); + + if (node.expression.value === "use strict" && parent.type === "Program") { + context.report(node, "Use the function form of \"use strict\"."); + } + } + }; + + } + +}; + +},{}],29:[function(require,module,exports){ +/** + * @fileoverview Rule to flag for-in loops without if statements inside + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "ForInStatement": function(node) { + + /* + * If the for-in statement has {}, then the real body is the body + * of the BlockStatement. Otherwise, just use body as provided. + */ + var body = node.body.type === "BlockStatement" ? node.body.body[0] : node.body; + + if (body && body.type !== "IfStatement") { + context.report(node, "The body of a for-in should be wrapped in an if statement to filter unwanted properties from the prototype."); + } + } + }; + +}; + +},{}],30:[function(require,module,exports){ +/** + * @fileoverview Ensure handling of errors when we know they exist. + * @author Jamund Ferguson + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var errorArgument = context.options[0] || "err"; + var callbacks = []; + var scopes = 0; + + /** + * Checks if the given argument should be interpreted as a regexp pattern. + * @param {string} stringToCheck The string which should be checked. + * @returns {boolean} Whether or not the string should be interpreted as a pattern. + */ + function isPattern(stringToCheck) { + var firstChar = stringToCheck[0]; + return firstChar === "^"; + } + + /** + * Checks if the given name matches the configured error argument. + * @param {string} name The name which should be compared. + * @returns {boolean} Whether or not the given name matches the configured error variable name. + */ + function matchesConfiguredErrorName(name) { + if (isPattern(errorArgument)) { + var regexp = new RegExp(errorArgument); + return regexp.test(name); + } + return name === errorArgument; + } + + /** + * Check the arguments to see if we need to start tracking the error object. + * @param {ASTNode} node The AST node to check. + * @returns {void} + */ + function startFunction(node) { + + // keep track of nested scopes + scopes++; + + // check if the first argument matches our argument name + var firstArg = node.params && node.params[0]; + if (firstArg && matchesConfiguredErrorName(firstArg.name)) { + callbacks.push({handled: false, depth: scopes, errorVariableName: firstArg.name}); + } + } + + /** + * At the end of a function check to see if the error was handled. + * @param {ASTNode} node The AST node to check. + * @returns {void} + */ + function endFunction(node) { + + var callback = callbacks[callbacks.length - 1] || {}; + + // check if a callback is ending, if so pop it off the stack + if (callback.depth === scopes) { + callbacks.pop(); + + // check if there were no handled errors since the last callback + if (!callback.handled) { + context.report(node, "Expected error to be handled."); + } + } + + // less nested functions + scopes--; + + } + + /** + * Check to see if we're handling the error object properly. + * @param {ASTNode} node The AST node to check. + * @returns {void} + */ + function checkForError(node) { + if (callbacks.length > 0) { + var callback = callbacks[callbacks.length - 1] || {}; + + // make sure the node's name matches our error argument name + var isAboutError = node.name === callback.errorVariableName; + + // we don't consider these use cases as "handling" the error + var doNotCount = ["FunctionDeclaration", "FunctionExpression", "CatchClause"]; + + // make sure this identifier isn't used as part of one of them + var isHandled = doNotCount.indexOf(node.parent.type) === -1; + + if (isAboutError && isHandled) { + // record that this callback handled its error + callback.handled = true; + } + } + } + + return { + "FunctionDeclaration": startFunction, + "FunctionExpression": startFunction, + "Identifier": checkForError, + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction + }; + +}; + +},{}],31:[function(require,module,exports){ +/** + * @fileoverview Rule to specify spacing of object literal keys and values + * @author Brandon Mills + * @copyright 2014 Brandon Mills. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Gets an object literal property's key as the identifier name or string value. + * @param {ASTNode} property Property node whose key to retrieve. + * @returns {string} The property's key. + */ +function getKey(property) { + return property.key.name || property.key.value; +} + +/** + * Gets the number of characters in a key, including quotes around string keys. + * @param {ASTNode} property Property of on object literal. + * @returns {int} Width of the key, including string quotes where present. + */ +function getKeyWidth(property) { + var key = property.key; + return (key.type === "Identifier" ? key.name : key.raw).length; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +var messages = { + key: "{{error}} space after key \"{{key}}\".", + value: "{{error}} space before value for key \"{{key}}\"." +}; + +module.exports = function(context) { + + /** + * OPTIONS + * "key-spacing": [2, { + * beforeColon: false, + * afterColon: true, + * align: "colon" // Optional, or "value" + * } + */ + + var options = context.options[0] || {}, + align = options.align, + beforeColon = +!!options.beforeColon, // Defaults to false + afterColon = +!(options.afterColon === false); // Defaults to true + + /** + * Gets the spacing around the colon in an object literal property + * @param {ASTNode} property Property node from an object literal + * @returns {Object} Spacing before and after the property's colon + */ + function getPropertySpacing(property) { + var whitespace = /^(\s*):(\s*)/.exec(context.getSource().slice( + property.key.range[1], property.value.range[0] + )); + + if (whitespace) { + return { + beforeColon: whitespace[1].length, + afterColon: whitespace[2].length + }; + } + } + + /** + * Reports an appropriately-formatted error if spacing is incorrect on one + * side of the colon. + * @param {ASTNode} property Key-value pair in an object literal. + * @param {string} side Side being verified - either "key" or "value". + * @param {int} diff Difference between actual and expected spacing. + * @returns {void} + */ + function report(property, side, diff) { + if (diff) { + context.report(property[side], messages[side], { + error: diff > 0 ? "Extra" : "Missing", + key: getKey(property) + }); + } + } + + if (align) { // Verify vertical alignment + + return { + "ObjectExpression": function(node) { + var properties = node.properties, + length = properties.length, + widths = properties.map(getKeyWidth), // Width of keys, including quotes + targetWidth = Math.max.apply(null, widths), + i, property, spacing, width; + + // Conditionally include one space before or after colon + targetWidth += (align === "colon" ? beforeColon : afterColon); + + for (i = 0; i < length; i++) { + property = properties[i]; + spacing = getPropertySpacing(property); + + if (!spacing) { + continue; // Object literal getters/setters lack a colon + } + + width = widths[i]; + + if (align === "value") { + report(property, "key", spacing.beforeColon - beforeColon); + report(property, "value", (width + spacing.afterColon) - targetWidth); + } else { // align = "colon" + report(property, "key", (width + spacing.beforeColon) - targetWidth); + report(property, "value", spacing.afterColon - afterColon); + } + } + } + }; + + } else { // Strictly obey beforeColon and afterColon in each property + + return { + "Property": function (node) { + var spacing = getPropertySpacing(node); + if (spacing) { // Object literal getters/setters lack colon spacing + report(node, "key", spacing.beforeColon - beforeColon); + report(node, "value", spacing.afterColon - afterColon); + } + } + }; + + } + +}; + +},{}],32:[function(require,module,exports){ +/** + * @fileoverview A rule to set the maximum depth block can be nested in a function. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + var functionStack = [], + maxDepth = context.options[0] || 4; + + function startFunction() { + functionStack.push(0); + } + + function endFunction() { + functionStack.pop(); + } + + function pushBlock(node) { + var len = ++functionStack[functionStack.length - 1]; + + if (len > maxDepth) { + context.report(node, "Blocks are nested too deeply ({{depth}}).", + { depth: len }); + } + } + + function popBlock() { + functionStack[functionStack.length - 1]--; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "Program": startFunction, + "FunctionDeclaration": startFunction, + "FunctionExpression": startFunction, + + "IfStatement": pushBlock, + "SwitchStatement": pushBlock, + "TryStatement": pushBlock, + "DoWhileStatement": pushBlock, + "WhileStatement": pushBlock, + "WithStatement": pushBlock, + "ForStatement": pushBlock, + "ForInStatement": pushBlock, + + "IfStatement:exit": popBlock, + "SwitchStatement:exit": popBlock, + "TryStatement:exit": popBlock, + "DoWhileStatement:exit": popBlock, + "WhileStatement:exit": popBlock, + "WithStatement:exit": popBlock, + "ForStatement:exit": popBlock, + "ForInStatement:exit": popBlock, + + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction, + "Program:exit": endFunction + }; + +}; + +},{}],33:[function(require,module,exports){ +/** + * @fileoverview Rule to check for max length on a line. + * @author Matt DuVall <http://www.mattduvall.com> + * @copyright 2013 Matt DuVall. All rights reserved. + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + /** + * Creates a string that is made up of repeating a given string a certain + * number of times. This uses exponentiation of squares to achieve significant + * performance gains over the more traditional implementation of such + * functionality. + * @param {string} str The string to repeat. + * @param {int} num The number of times to repeat the string. + * @returns {string} The created string. + * @private + */ + function stringRepeat(str, num) { + var result = ""; + for (num |= 0; num > 0; num >>>= 1, str += str) { + if (num & 1) { + result += str; + } + } + return result; + } + + var tabWidth = context.options[1]; + + var maxLength = context.options[0], + tabString = stringRepeat(" ", tabWidth); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + function checkProgramForMaxLength(node) { + var lines = context.getSourceLines(); + + // Replace the tabs + // Split (honors line-ending) + // Iterate + lines.forEach(function(line, i) { + if (line.replace(/\t/g, tabString).length > maxLength) { + context.report(node, { line: i + 1, col: 1 }, "Line " + (i + 1) + " exceeds the maximum line length of " + maxLength + "."); + } + }); + } + + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "Program": checkProgramForMaxLength + }; + +}; + +},{}],34:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce a maximum number of nested callbacks. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Constants + //-------------------------------------------------------------------------- + + var THRESHOLD = context.options[0]; + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + var callbackStack = []; + + return { + + "FunctionExpression": function (node) { + var parent = context.getAncestors().pop(); + + if (parent.type === "CallExpression") { + callbackStack.push(node); + } + + if (callbackStack.length > THRESHOLD) { + var opts = {num: callbackStack.length, max: THRESHOLD}; + context.report(node, "Too many nested callbacks ({{num}}). Maximum allowed is {{max}}.", opts); + } + }, + + + "FunctionExpression:exit": function() { + callbackStack.pop(); + } + + }; + +}; + +},{}],35:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when a function has too many parameters + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var numParams = context.options[0] || 3; + + return { + + "FunctionDeclaration": function(node) { + if (node.params.length > numParams) { + context.report(node, "This function has too many parameters ({{count}}). Maximum allowed is {{max}}.", { + count: node.params.length, + max: numParams + }); + } + }, + + "FunctionExpression": function(node) { + if (node.params.length > numParams) { + context.report(node, "This function has too many parameters ({{count}}). Maximum allowed is {{max}}.", { + count: node.params.length, + max: numParams + }); + } + } + }; + +}; + +},{}],36:[function(require,module,exports){ +/** + * @fileoverview A rule to set the maximum number of statements in a function. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + var functionStack = [], + maxStatements = context.options[0] || 10; + + function startFunction() { + functionStack.push(0); + } + + function endFunction(node) { + var count = functionStack.pop(); + + if (count > maxStatements) { + context.report(node, "This function has too many statements ({{count}}). Maximum allowed is {{max}}.", + { count: count, max: maxStatements }); + } + } + + function countStatements(node) { + functionStack[functionStack.length - 1] += node.body.length; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "FunctionDeclaration": startFunction, + "FunctionExpression": startFunction, + + "BlockStatement": countStatements, + + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction + }; + +}; + +},{}],37:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of constructors without capital letters + * @author Nicholas C. Zakas + * @copyright 2013-2014 Nicholas C. Zakas. All rights reserved. + */ + +"use strict"; + +var CAPS_ALLOWED = [ + "Number", + "String", + "Boolean", + "Date", + "Array", + "Symbol", + "RegExp" +]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var config = context.options[0] || {}; + config.newIsCap = config.newIsCap === false ? false : true; + config.capIsNew = config.capIsNew === false ? false : true; + + var listeners = {}; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Get exact callee name from expression + * @param {ASTNode} node CallExpression or NewExpression node + * @returns {String} name + */ + function extractNameFromExpression(node) { + + var name = "", + property; + + if (node.callee.type === "MemberExpression") { + property = node.callee.property; + + if (property.type === "Literal" && (typeof property.value === "string")) { + name = property.value; + } else if (property.type === "Identifier" && !node.callee.computed) { + name = property.name; + } + } else { + name = node.callee.name; + } + return name; + } + + /** + * Returns the capitalization state of the string - + * Whether the first character is uppercase, lowercase, or non-alphabetic + * @param {String} str String + * @returns {String} capitalization state: "non-alpha", "lower", or "upper" + */ + function getCap(str) { + var firstChar = str.charAt(0); + + var firstCharLower = firstChar.toLowerCase(); + var firstCharUpper = firstChar.toUpperCase(); + + if (firstCharLower === firstCharUpper) { + // char has no uppercase variant, so it's non-alphabetic + return "non-alpha"; + } else if (firstChar === firstCharLower) { + return "lower"; + } else { + return "upper"; + } + } + + /** + * Check if capitalization is allowed for a CallExpression + * @param {ASTNode} node CallExpression node + * @param {String} calleeName Capitalized callee name from a CallExpression + * @returns {Boolean} Returns true if the callee may be capitalized + */ + function isCapAllowed(node, calleeName) { + if (CAPS_ALLOWED.indexOf(calleeName) >= 0) { + return true; + } + if (calleeName === "UTC" && node.callee.type === "MemberExpression") { + // allow if callee is Date.UTC + return node.callee.object.type === "Identifier" && + node.callee.object.name === "Date"; + } + return false; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + if (config.newIsCap) { + listeners.NewExpression = function(node) { + + var constructorName = extractNameFromExpression(node); + if (constructorName && getCap(constructorName) === "lower") { + context.report(node, "A constructor name should not start with a lowercase letter."); + } + }; + } + + if (config.capIsNew) { + listeners.CallExpression = function(node) { + + var calleeName = extractNameFromExpression(node); + if (calleeName && getCap(calleeName) === "upper" && !isCapAllowed(node, calleeName)) { + context.report(node, "A function with a name starting with an uppercase letter should only be used as a constructor."); + } + }; + } + + return listeners; +}; + +},{}],38:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when using constructor without parentheses + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "NewExpression": function(node) { + var tokens = context.getTokens(node); + var prenticesTokens = tokens.filter(function(token) { + return token.value === "(" || token.value === ")"; + }); + if (prenticesTokens.length < 2) { + context.report(node, "Missing '()' invoking a constructor"); + } + } + }; + +}; + +},{}],39:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of alert, confirm, prompt + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +function matchProhibited(name) { + return name.match(/^(alert|confirm|prompt)$/); +} + +function report(context, node, result) { + context.report(node, "Unexpected {{name}}.", { name: result[1] }); +} + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "CallExpression": function(node) { + + var result; + + // without window. + if (node.callee.type === "Identifier") { + + result = matchProhibited(node.callee.name); + + if (result) { + report(context, node, result); + } + + } else if (node.callee.type === "MemberExpression" && node.callee.property.type === "Identifier") { + + result = matchProhibited(node.callee.property.name); + + if (result && node.callee.object.name === "window") { + report(context, node, result); + } + + } + + } + }; + +}; + +},{}],40:[function(require,module,exports){ +/** + * @fileoverview Disallow construction of dense arrays using the Array constructor + * @author Matt DuVall <http://www.mattduvall.com/> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function check(node) { + if ( + node.arguments.length !== 1 && + node.callee.type === "Identifier" && + node.callee.name === "Array" + ) { + context.report(node, "The array literal notation [] is preferrable."); + } + } + + return { + "CallExpression": check, + "NewExpression": check + }; + +}; + +},{}],41:[function(require,module,exports){ +/** + * @fileoverview Rule to flag bitwise identifiers + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function report(node) { + context.report(node, "Unexpected use of '{{operator}}'.", { operator: node.operator }); + } + + return { + "BinaryExpression": function(node) { + + // warn for ^ | & ~ << >> >>> + if (node.operator.match(/^(?:[\^&\|~]|<<|>>>?)$/)) { + report(node); + } + + }, + + "UnaryExpression": function(node) { + + // warn for ~ + if (node.operator === "~") { + report(node); + } + + } + }; + +}; + +},{}],42:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of arguments.callee and arguments.caller. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "MemberExpression": function(node) { + var objectName = node.object.name, + propertyName = node.property.name; + + if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/)) { + context.report(node, "Avoid arguments.{{property}}.", { property: propertyName }); + } + + } + }; + +}; + +},{}],43:[function(require,module,exports){ +/** + * @fileoverview Rule to flag variable leak in CatchClauses in IE 8 and earlier + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + function paramIsShadowing(scope, name) { + var found = scope.variables.some(function(variable) { + return variable.name === name; + }); + + if (found) { + return true; + } + + if (scope.upper) { + return paramIsShadowing(scope.upper, name); + } + + return false; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + + "CatchClause": function(node) { + var scope = context.getScope(); + + if (paramIsShadowing(scope, node.param.name)) { + context.report(node, "Value of '{{name}}' may be overwritten in IE 8 and earlier.", + { name: node.param.name }); + } + } + }; + +}; + +},{}],44:[function(require,module,exports){ +/** + * @fileoverview Rule to flag trailing commas in object literals. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //------------------------------------------------------------------------- + // Helpers + //------------------------------------------------------------------------- + + function checkForTrailingComma(node) { + var secondToLastToken = context.getLastTokens(node, 2)[0]; + + var items = node.properties || node.elements, + lastItem = items[items.length - 1]; + // The last token in an object/array literal will always be a closing + // curly, so we check the second to last token for a comma. + if (secondToLastToken.value === "," && items.length && lastItem) { + context.report(lastItem, secondToLastToken.loc.start, "Trailing comma."); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "ObjectExpression": checkForTrailingComma, + "ArrayExpression": checkForTrailingComma + }; + +}; + +},{}],45:[function(require,module,exports){ +/** + * @fileoverview Rule to flag assignment in a conditional expression + * @author Stephen Murray <spmurrayzzz> + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function isParenthesised(node) { + var previousToken = context.getTokenBefore(node), + nextToken = context.getTokenAfter(node); + + return previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + function isParenthesisedTwice(node) { + var previousToken = context.getTokenBefore(node, 1), + nextToken = context.getTokenAfter(node, 1); + + return isParenthesised(node) && + previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + function testForAssign(node) { + if (node.test && (node.test.type === "AssignmentExpression") && !isParenthesisedTwice(node.test)) { + context.report(node, "Expected a conditional expression and instead saw an assignment."); + } + } + + return { + "IfStatement": testForAssign, + "WhileStatement": testForAssign, + "DoWhileStatement": testForAssign, + "ForStatement": testForAssign + }; + +}; + +},{}],46:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of console object + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "MemberExpression": function(node) { + + if (node.object.name === "console") { + context.report(node, "Unexpected console statement."); + } + + } + }; + +}; + +},{}],47:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use constant conditions + * @author Christian Schulz <http://rndm.de> + */ + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks if a node has a constant truthiness value. + * @param {ASTNode} node The AST node to check. + * @returns {Bool} true when node's truthiness is constant + * @private + */ + function isConstant(node) { + switch (node.type) { + case "Literal": + case "FunctionExpression": + case "ObjectExpression": + case "ArrayExpression": + return true; + case "UnaryExpression": + return isConstant(node.argument); + case "BinaryExpression": + case "LogicalExpression": + return isConstant(node.left) && isConstant(node.right); + case "AssignmentExpression": + return isConstant(node.right); + case "SequenceExpression": + return isConstant(node.expressions[node.expressions.length - 1]); + // no default + } + return false; + } + + /** + * Reports when the given node contains a constant condition. + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function checkConstantCondition(node) { + if (node.test && isConstant(node.test)) { + context.report(node, "Unexpected constant condition."); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "ConditionalExpression": checkConstantCondition, + "IfStatement": checkConstantCondition, + "WhileStatement": checkConstantCondition, + "DoWhileStatement": checkConstantCondition, + "ForStatement": checkConstantCondition + }; + +}; + +},{}],48:[function(require,module,exports){ +/** + * @fileoverview Rule to forbid control charactes from regular expressions. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + + function getRegExp(node) { + + if (node.value instanceof RegExp) { + return node.value; + } else if (typeof node.value === "string") { + + var parent = context.getAncestors().pop(); + if ((parent.type === "NewExpression" || parent.type === "CallExpression") && + parent.callee.type === "Identifier" && parent.callee.name === "RegExp") { + + // there could be an invalid regular expression string + try { + return new RegExp(node.value); + } catch (ex) { + return null; + } + + } + } else { + return null; + } + + } + + + + return { + + "Literal": function(node) { + + var computedValue, + regex = getRegExp(node); + + if (regex) { + computedValue = regex.toString(); + if (/[\x00-\x1f]/.test(computedValue)) { + context.report(node, "Unexpected control character in regular expression."); + } + } + } + }; + +}; + +},{}],49:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of a debugger statement + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "DebuggerStatement": function(node) { + context.report(node, "Unexpected 'debugger' statement."); + } + }; + +}; + +},{}],50:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when deleting variables + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "UnaryExpression": function(node) { + if (node.operator === "delete" && node.argument.type === "Identifier") { + context.report(node, "Variables should not be deleted."); + } + } + }; + +}; + +},{}],51:[function(require,module,exports){ +/** + * @fileoverview Rule to check for ambiguous div operator in regexes + * @author Matt DuVall <http://www.mattduvall.com> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + var token = context.getFirstTokens(node, 1)[0], + nodeType = token.type, + source; + + if (nodeType === "RegularExpression") { + source = context.getFirstTokens(node, 1)[0].value; + + if (source[1] === "=") { + context.report(node, "A regular expression literal can be confused with '/='."); + } + } + } + }; + +}; + +},{}],52:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of duplicate keys in an object. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "ObjectExpression": function(node) { + + // Object that will be a map of properties--safe because we will + // prefix all of the keys. + var nodeProps = {}; + + node.properties.forEach(function(property) { + var keyName = property.key.name || property.key.value; + var key = property.kind + "-" + keyName; + + if (nodeProps[key]) { + context.report(node, "Duplicate key '{{key}}'.", { key: keyName }); + } else { + nodeProps[key] = true; + } + }); + + } + }; + +}; + +},{}],53:[function(require,module,exports){ +/** + * @fileoverview Rule to flag `else` after a `return` in `if` + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + function checkForReturnStatement(node, alternate) { + if (node.type === "ReturnStatement") { + context.report(alternate, "Unexpected 'else' after 'return'."); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + + "IfStatement": function(node) { + + // Don't bother finding a ReturnStatement, if there's no `else` + // or if the alternate is also an if (indicating an else if). + if (node.alternate && node.consequent && node.alternate.type !== "IfStatement") { + + // If we have a BlockStatement, check each consequent body node. + if (node.consequent.type === "BlockStatement") { + node.consequent.body.forEach(function (bodyNode) { + checkForReturnStatement(bodyNode, node.alternate); + }); + + // If not a block statement, make sure the consequent isn't a + // ReturnStatement + } else { + checkForReturnStatement(node.consequent, node.alternate); + } + } + } + + }; + +}; + +},{}],54:[function(require,module,exports){ +/** + * @fileoverview Rule to flag the use of empty character classes in regular expressions + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + var tokens = context.getTokens(node); + tokens.forEach(function (token) { + /* + plain-English description of the following regexp: + 0. `^` fix the match at the beginning of the string + 1. `\/`: the `/` that begins the regexp + 2. `([^\\[]|\\.|\[([^\\\]]|\\.)+\])*`: regexp contents; 0 or more of the following + 2.0. `[^\\[]`: any character that's not a `\` or a `[` (anything but escape sequences and character classes) + 2.1. `\\.`: an escape sequence + 2.2. `\[([^\\\]]|\\.)+\]`: a character class that isn't empty + 3. `\/` the `/` that ends the regexp + 4. `[gimy]*`: optional regexp flags + 5. `$`: fix the match at the end of the string + */ + if (token.type === "RegularExpression" && + !/^\/([^\\[]|\\.|\[([^\\\]]|\\.)+\])*\/[gimy]*$/.test(token.value)) { + context.report(node, "Empty class."); + } + }); + } + + }; + +}; + +},{}],55:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when label is not used for a loop or switch + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "LabeledStatement": function(node) { + if (node.body.type !== "ForStatement" && node.body.type !== "WhileStatement" && node.body.type !== "DoWhileStatement" && node.body.type !== "SwitchStatement" && node.body.type !== "ForInStatement") { + context.report(node, "Unexpected label {{l}}", {l: node.label.name}); + } + } + }; + +}; + +},{}],56:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of an empty block statement + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "BlockStatement": function(node) { + var ancestors = context.getAncestors(), + parent = ancestors[ancestors.length - 1], + parentType = parent.type, + isFinallyBlock = (parentType === "TryStatement") && (parent.finalizer === node); + + if (/FunctionExpression|FunctionDeclaration|CatchClause/.test(parentType) || + (isFinallyBlock && !parent.handlers.length)) { + return; + } + + if (node.body.length === 0) { + context.report(node, "Empty block statement."); + } + }, + + "SwitchStatement": function(node) { + + if (typeof node.cases === "undefined" || node.cases.length === 0) { + context.report(node, "Empty switch statement."); + } + } + }; + +}; + +},{}],57:[function(require,module,exports){ +/** + * @fileoverview Rule to flag comparisons to null without a type-checking + * operator. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + "use strict"; + + return { + + "BinaryExpression": function(node) { + var badOperator = node.operator === "==" || node.operator === "!="; + + if (node.right.type === "Literal" && node.right.raw === "null" && badOperator || + node.left.type === "Literal" && node.left.raw === "null" && badOperator) { + context.report(node, "Use ‘===’ to compare with ‘null’."); + } + } + }; + +}; + +},{}],58:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of eval() statement + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var IMPLIED_EVAL = /set(?:Timeout|Interval)/; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines if a node represents a call to setTimeout/setInterval with + * a string argument. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node matches, false if not. + * @private + */ + function isImpliedEval(node) { + + var isMemberExpression = (node.callee.type === "MemberExpression"), + isIdentifier = (node.callee.type === "Identifier"), + isSetMethod = (isIdentifier && IMPLIED_EVAL.test(node.callee.name)) || + (isMemberExpression && node.callee.object.name === "window" && + IMPLIED_EVAL.test(node.callee.property.name)), + hasStringArgument = node.arguments.length && (typeof node.arguments[0].value === "string"); + + return isSetMethod && hasStringArgument; + } + + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "CallExpression": function(node) { + if (node.callee.name === "eval") { + context.report(node, "eval can be harmful."); + } else if (isImpliedEval(node)) { + if (node.arguments.length && (typeof node.arguments[0].value === "string")) { + context.report(node, "Implied eval can be harmful. Pass a function instead of a string."); + } + } + } + }; + +}; + +},{}],59:[function(require,module,exports){ +/** + * @fileoverview Rule to flag assignment of the exception parameter + * @author Stephen Murray <spmurrayzzz> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var inCatch = false, + exceptionName = null; + + return { + + "CatchClause": function(node) { + inCatch = true; + exceptionName = node.param.name; + }, + + "CatchClause:exit": function() { + inCatch = false; + exceptionName = null; + }, + + "AssignmentExpression": function(node) { + + if (inCatch) { + + if (node.left.name === exceptionName) { + context.report(node, "Do not assign to the exception parameter."); + } + } + } + + }; + +}; + +},{}],60:[function(require,module,exports){ +/** + * @fileoverview Rule to flag adding properties to native object's prototypes. + * @author David Nelson + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +var BUILTINS = [ + "Object", "Function", "Array", "String", "Boolean", "Number", "Date", + "RegExp", "Error", "EvalError", "RangeError", "ReferenceError", + "SyntaxError", "TypeError", "URIError" +]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + // handle the Array.prototype.extra style case + "AssignmentExpression": function(node) { + var lhs = node.left, affectsProto; + + if (lhs.type !== "MemberExpression" || lhs.object.type !== "MemberExpression") { + return; + } + + affectsProto = lhs.object.computed ? + lhs.object.property.type === "Literal" && lhs.object.property.value === "prototype" : + lhs.object.property.name === "prototype"; + + if (!affectsProto) { + return; + } + + BUILTINS.forEach(function(builtin) { + if (lhs.object.object.name === builtin) { + context.report(node, builtin + " prototype is read only, properties should not be added."); + } + }); + }, + + // handle the Object.defineProperty(Array.prototype) case + "CallExpression": function(node) { + + var callee = node.callee, + subject, + object; + + // only worry about Object.defineProperty + if (callee.type === "MemberExpression" && + callee.object.name === "Object" && + callee.property.name === "defineProperty") { + + // verify the object being added to is a native prototype + subject = node.arguments[0]; + object = subject.object; + + if (object && + object.type === "Identifier" && + (BUILTINS.indexOf(object.name) > -1) && + subject.property.name === "prototype") { + + context.report(node, object.name + " prototype is read only, properties should not be added."); + } + } + + } + }; + +}; + +},{}],61:[function(require,module,exports){ +/** + * @fileoverview Rule to flag unnecessary bind calls + * @author Bence Dányi <bence@danyi.me> + * @copyright 2014 Bence Dányi. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var scope = [{ + depth: -1, + found: 0 + }]; + + /** + * Get the topmost scope + * @returns {Object} The topmost scope + */ + function getTopScope() { + return scope[scope.length - 1]; + } + + /** + * Increment the depth of the top scope + * @returns {void} + */ + function incrementScopeDepth() { + var top = getTopScope(); + top.depth++; + } + + /** + * Decrement the depth of the top scope + * @returns {void} + */ + function decrementScopeDepth() { + var top = getTopScope(); + top.depth--; + } + + return { + "CallExpression": function(node) { + if (node.arguments.length === 1 && + node.callee.type === "MemberExpression" && + node.callee.property.name === "bind" && + node.callee.object.type === "FunctionExpression") { + scope.push({ + call: node, + depth: -1, + found: 0 + }); + } + }, + "CallExpression:exit": function(node) { + var top = getTopScope(); + if (top.call === node && top.found === 0) { + context.report(node, "The function binding is unnecessary."); + scope.pop(); + } + }, + "FunctionExpression": incrementScopeDepth, + "FunctionExpression:exit": decrementScopeDepth, + "FunctionDeclaration": incrementScopeDepth, + "FunctionDeclaration:exit": decrementScopeDepth, + "ThisExpression": function() { + var top = getTopScope(); + if (top.depth === 0) { + top.found++; + } + } + }; + +}; + +},{}],62:[function(require,module,exports){ +/** + * @fileoverview Rule to flag unnecessary double negation in Boolean contexts + * @author Brandon Mills + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "UnaryExpression": function (node) { + var ancestors = context.getAncestors(), + parent = ancestors.pop(), + grandparent = ancestors.pop(); + + // Exit early if it's guaranteed not to match + if (node.operator !== "!" || + parent.type !== "UnaryExpression" || + parent.operator !== "!") { + return; + } + + // if (<bool>) ... + if (grandparent.type === "IfStatement") { + context.report(node, "Redundant double negation in an if statement condition."); + + // do ... while (<bool>) + } else if (grandparent.type === "DoWhileStatement") { + context.report(node, "Redundant double negation in a do while loop condition."); + + // while (<bool>) ... + } else if (grandparent.type === "WhileStatement") { + context.report(node, "Redundant double negation in a while loop condition."); + + // <bool> ? ... : ... + } else if ((grandparent.type === "ConditionalExpression" && + parent === grandparent.test)) { + context.report(node, "Redundant double negation in a ternary condition."); + + // for (...; <bool>; ...) ... + } else if ((grandparent.type === "ForStatement" && + parent === grandparent.test)) { + context.report(node, "Redundant double negation in a for loop condition."); + + // !<bool> + } else if ((grandparent.type === "UnaryExpression" && + grandparent.operator === "!")) { + context.report(node, "Redundant multiple negation."); + + // Boolean(<bool>) + } else if ((grandparent.type === "CallExpression" && + grandparent.callee.type === "Identifier" && + grandparent.callee.name === "Boolean")) { + context.report(node, "Redundant double negation in call to Boolean()."); + + // new Boolean(<bool>) + } else if ((grandparent.type === "NewExpression" && + grandparent.callee.type === "Identifier" && + grandparent.callee.name === "Boolean")) { + context.report(node, "Redundant double negation in Boolean constructor call."); + } + } + }; + +}; + +},{}],63:[function(require,module,exports){ +/** + * @fileoverview Disallow parenthesesisng higher precedence subexpressions. + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function isParenthesised(node) { + var previousToken = context.getTokenBefore(node), + nextToken = context.getTokenAfter(node); + + return previousToken && nextToken && + previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + function isParenthesisedTwice(node) { + var previousToken = context.getTokenBefore(node, 1), + nextToken = context.getTokenAfter(node, 1); + + return isParenthesised(node) && previousToken && nextToken && + previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + function precedence(node) { + + switch (node.type) { + case "SequenceExpression": + return 0; + + case "AssignmentExpression": + return 1; + + case "ConditionalExpression": + return 3; + + case "LogicalExpression": + switch (node.operator) { + case "||": + return 4; + case "&&": + return 5; + // no default + } + + /* falls through */ + case "BinaryExpression": + switch (node.operator) { + case "|": + return 6; + case "^": + return 7; + case "&": + return 8; + case "==": + case "!=": + case "===": + case "!==": + return 9; + case "<": + case "<=": + case ">": + case ">=": + case "in": + case "instanceof": + return 10; + case "<<": + case ">>": + case ">>>": + return 11; + case "+": + case "-": + return 12; + case "*": + case "/": + case "%": + return 13; + // no default + } + /* falls through */ + case "UnaryExpression": + return 14; + case "UpdateExpression": + return 15; + case "CallExpression": + // IIFE is allowed to have parens in any position (#655) + if (node.callee.type === "FunctionExpression") { + return -1; + } + return 16; + case "NewExpression": + return 17; + // no default + } + return 18; + } + + function report(node) { + context.report(node, "Gratuitous parentheses around expression."); + } + + function dryUnaryUpdate(node) { + if (isParenthesised(node.argument) && precedence(node.argument) >= precedence(node)) { + report(node.argument); + } + } + + function dryCallNew(node) { + if (isParenthesised(node.callee) && precedence(node.callee) >= precedence(node) && + !(node.type === "CallExpression" && node.callee.type === "FunctionExpression")) { + report(node.callee); + } + if (node.arguments.length === 1) { + if (isParenthesisedTwice(node.arguments[0]) && precedence(node.arguments[0]) >= precedence({type: "AssignmentExpression"})) { + report(node.arguments[0]); + } + } else { + [].forEach.call(node.arguments, function(arg) { + if (isParenthesised(arg) && precedence(arg) >= precedence({type: "AssignmentExpression"})) { + report(arg); + } + }); + } + } + + function dryBinaryLogical(node) { + var prec = precedence(node); + if (isParenthesised(node.left) && precedence(node.left) >= prec) { + report(node.left); + } + if (isParenthesised(node.right) && precedence(node.right) > prec) { + report(node.right); + } + } + + return { + "ArrayExpression": function(node) { + [].forEach.call(node.elements, function(e) { + if (e && isParenthesised(e) && precedence(e) >= precedence({type: "AssignmentExpression"})) { + report(e); + } + }); + }, + "AssignmentExpression": function(node) { + if (isParenthesised(node.right) && precedence(node.right) >= precedence(node)) { + report(node.right); + } + }, + "BinaryExpression": dryBinaryLogical, + "CallExpression": dryCallNew, + "ConditionalExpression": function(node) { + if (isParenthesised(node.test) && precedence(node.test) >= precedence({type: "LogicalExpression", operator: "||"})) { + report(node.test); + } + if (isParenthesised(node.consequent) && precedence(node.consequent) >= precedence({type: "AssignmentExpression"})) { + report(node.consequent); + } + if (isParenthesised(node.alternate) && precedence(node.alternate) >= precedence({type: "AssignmentExpression"})) { + report(node.alternate); + } + }, + "DoWhileStatement": function(node) { + if (isParenthesisedTwice(node.test)) { + report(node.test); + } + }, + "ExpressionStatement": function(node) { + var firstToken; + if (isParenthesised(node.expression)) { + firstToken = context.getFirstToken(node.expression); + if (firstToken.value !== "function" && firstToken.value !== "{") { + report(node.expression); + } + } + }, + "ForInStatement": function(node) { + if (isParenthesised(node.right)) { + report(node.right); + } + }, + "ForStatement": function(node) { + if (node.init && isParenthesised(node.init)) { + report(node.init); + } + + if (node.test && isParenthesised(node.test)) { + report(node.test); + } + + if (node.update && isParenthesised(node.update)) { + report(node.update); + } + }, + "IfStatement": function(node) { + if (isParenthesisedTwice(node.test)) { + report(node.test); + } + }, + "LogicalExpression": dryBinaryLogical, + "MemberExpression": function(node) { + if ( + isParenthesised(node.object) && + precedence(node.object) >= precedence(node) && + ( + node.computed || + !( + node.object.type === "Literal" && + typeof node.object.value === "number" && + /^[0-9]+$/.test(context.getFirstToken(node.object).value) + ) + ) + ) { + report(node.object); + } + }, + "NewExpression": dryCallNew, + "ObjectExpression": function(node) { + [].forEach.call(node.properties, function(e) { + var v = e.value; + if (v && isParenthesised(v) && precedence(v) >= precedence({type: "AssignmentExpression"})) { + report(v); + } + }); + }, + "ReturnStatement": function(node) { + if (node.argument && isParenthesised(node.argument)) { + report(node.argument); + } + }, + "SequenceExpression": function(node) { + [].forEach.call(node.expressions, function(e) { + if (isParenthesised(e) && precedence(e) >= precedence(node)) { + report(e); + } + }); + }, + "SwitchCase": function(node) { + if (node.test && isParenthesised(node.test)) { + report(node.test); + } + }, + "SwitchStatement": function(node) { + if (isParenthesisedTwice(node.discriminant)) { + report(node.discriminant); + } + }, + "ThrowStatement": function(node) { + if (isParenthesised(node.argument)) { + report(node.argument); + } + }, + "UnaryExpression": dryUnaryUpdate, + "UpdateExpression": dryUnaryUpdate, + "VariableDeclarator": function(node) { + if (node.init && isParenthesised(node.init) && precedence(node.init) >= precedence({type: "AssignmentExpression"})) { + report(node.init); + } + }, + "WhileStatement": function(node) { + if (isParenthesisedTwice(node.test)) { + report(node.test); + } + }, + "WithStatement": function(node) { + if (isParenthesisedTwice(node.object)) { + report(node.object); + } + } + }; + +}; + +},{}],64:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of unnecessary semicolons + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "EmptyStatement": function(node) { + context.report(node, "Unnecessary semicolon."); + } + }; + +}; + +},{}],65:[function(require,module,exports){ +/** + * @fileoverview Rule to flag unnecessary strict directives. + * @author Ian Christian Myers + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function directives(block) { + var ds = [], body = block.body, e, i, l; + + for (i = 0, l = body.length; i < l; ++i) { + e = body[i]; + + if ( + e.type === "ExpressionStatement" && + e.expression.type === "Literal" && + typeof e.expression.value === "string" + ) { + ds.push(e.expression); + } else { + break; + } + } + return ds; + } + + function isStrict(directive) { + return directive.value === "use strict"; + } + + function checkForUnnecessaryUseStrict(node) { + var useStrictDirectives, scope, upper; + useStrictDirectives = directives(node).filter(isStrict); + + switch (useStrictDirectives.length) { + case 0: + break; + + case 1: + scope = context.getScope(); + upper = scope.upper; + + if (upper && upper.functionExpressionScope) { + upper = upper.upper; + } + + if (upper && upper.isStrict) { + context.report(useStrictDirectives[0], "Unnecessary 'use strict'."); + } + break; + + default: + context.report(useStrictDirectives[1], "Multiple 'use strict' directives."); + } + } + + return { + + "Program": checkForUnnecessaryUseStrict, + + "FunctionExpression": function(node) { + checkForUnnecessaryUseStrict(node.body); + }, + + "FunctionDeclaration": function(node) { + checkForUnnecessaryUseStrict(node.body); + } + }; + +}; + +},{}],66:[function(require,module,exports){ +/** + * @fileoverview Rule to flag fall-through cases in switch statements. + * @author Matt DuVall <http://mattduvall.com/> + */ +"use strict"; + + +var FALLTHROUGH_COMMENT = /falls\sthrough/; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var switches = []; + + return { + + "SwitchCase": function(node) { + + var consequent = node.consequent, + switchData = switches[switches.length - 1], + i, + comments, + comment; + + /* + * Some developers wrap case bodies in blocks, so if there is just one + * node and it's a block statement, check inside. + */ + if (consequent.length === 1 && consequent[0].type === "BlockStatement") { + consequent = consequent[0]; + } + + // checking on previous case + if (!switchData.lastCaseClosed) { + + // a fall through comment will be the last trailing comment of the last case + comments = context.getComments(switchData.lastCase).trailing; + comment = comments[comments.length - 1]; + + // check for comment + if (!comment || !FALLTHROUGH_COMMENT.test(comment.value)) { + context.report(switchData.lastCase, + "Expected a \"break\" statement before \"{{code}}\".", + { code: node.test ? "case" : "default" }); + } + } + + // now dealing with the current case + switchData.lastCaseClosed = false; + switchData.lastCase = node; + + // try to verify using statements - go backwards as a fast path for the search + if (consequent.length) { + for (i = consequent.length - 1; i >= 0; i--) { + if (/(?:Break|Continue|Return|Throw)Statement/.test(consequent[i].type)) { + switchData.lastCaseClosed = true; + break; + } + } + } else { + // the case statement has no statements, so it must logically fall through + switchData.lastCaseClosed = true; + } + + /* + * Any warnings are triggered when the next SwitchCase occurs. + * There is no need to warn on the last SwitchCase, since it can't + * fall through to anything. + */ + }, + + "SwitchStatement": function(node) { + switches.push({ + node: node, + lastCaseClosed: true, + lastCase: null + }); + }, + + "SwitchStatement:exit": function() { + switches.pop(); + } + }; + +}; + +},{}],67:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal + * @author James Allardice + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "Literal": function(node) { + + if (typeof node.value === "number") { + if (node.raw.indexOf(".") === 0) { + context.report(node, "A leading decimal point can be confused with a dot."); + } + if (node.raw.indexOf(".") === node.raw.length - 1) { + context.report(node, "A trailing decimal point can be confused with a dot."); + } + } + } + }; + +}; + +},{}],68:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of function declaration identifiers as variables. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /* + * Walk the scope chain looking for either a FunctionDeclaration or a + * VariableDeclaration with the same name as left-hand side of the + * AssignmentExpression. If we find the FunctionDeclaration first, then we + * warn, because a FunctionDeclaration is trying to become a Variable or a + * FunctionExpression. If we find a VariableDeclaration first, then we have + * a legitimate shadow variable. + */ + function checkIfIdentifierIsFunction(scope, name) { + var variable, + def, + i, + j; + + // Loop over all of the identifiers available in scope. + for (i = 0; i < scope.variables.length; i++) { + variable = scope.variables[i]; + + // For each identifier, see if it was defined in _this_ scope. + for (j = 0; j < variable.defs.length; j++) { + def = variable.defs[j]; + + // Identifier is a function and was declared in this scope + if (def.name.name === name && def.type === "FunctionName") { + return true; + } + + // Identifier is a variable and was declared in this scope. This + // is a legitimate shadow variable. + if (def.name.name === name) { + return false; + } + } + } + + // Check the upper scope. + if (scope.upper) { + return checkIfIdentifierIsFunction(scope.upper, name); + } + + // We've reached the global scope and haven't found anything. + return false; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + + "AssignmentExpression": function(node) { + var scope = context.getScope(), + name = node.left.name; + + if (checkIfIdentifierIsFunction(scope, name)) { + context.report(node, "'{{name}}' is a function.", { name: name }); + } + + } + + }; + +}; + +},{}],69:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of implied eval via setTimeout and setInterval + * @author James Allardice + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "CallExpression": function(node) { + + if (node.callee.type === "Identifier") { + var callee = node.callee.name; + + if (callee === "setTimeout" || callee === "setInterval") { + var argument = node.arguments[0]; + if (argument && argument.type === "Literal" && typeof argument.value === "string") { + context.report(node, "Implied eval. Consider passing a function instead of a string."); + } + } + } + } + }; + +}; + +},{}],70:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce declarations in program or function body root. + * @author Brandon Mills + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + /** + * Find the nearest Program or Function ancestor node. + * @returns {Object} Ancestor's type and distance from node. + */ + function nearestBody() { + var ancestors = context.getAncestors(), + ancestor = ancestors.pop(), + generation = 1; + + while (ancestor && ["Program", "FunctionDeclaration", + "FunctionExpression"].indexOf(ancestor.type) < 0) { + generation += 1; + ancestor = ancestors.pop(); + } + + return { + // Type of containing ancestor + type: ancestor.type, + // Separation between ancestor and node + distance: generation + }; + } + + /** + * Ensure that a given node is at a program or function body's root. + * @param {ASTNode} node Declaration node to check. + * @returns {void} + */ + function check(node) { + var body = nearestBody(node), + valid = ((body.type === "Program" && body.distance === 1) || + body.distance === 2); + + if (!valid) { + context.report(node, "Move {{type}} declaration to {{body}} root.", + { + type: (node.type === "FunctionDeclaration" ? + "function" : "variable"), + body: (body.type === "Program" ? + "program" : "function body") + } + ); + } + } + + return { + + "FunctionDeclaration": check, + "VariableDeclaration": function(node) { + if (context.options[0] === "both") { + check(node); + } + } + + }; + +}; + +},{}],71:[function(require,module,exports){ +/** + * @fileoverview Validate strings passed to the RegExp constructor + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function isString(node) { + return node && node.type === "Literal" && typeof node.value === "string"; + } + + function check(node) { + if (node.callee.type === "Identifier" && node.callee.name === "RegExp" && isString(node.arguments[0])) { + try { + if (isString(node.arguments[1])) { + void new RegExp(node.arguments[0].value, node.arguments[1].value); + } else { + void new RegExp(node.arguments[0].value); + } + } catch(e) { + context.report(node, e.message); + } + } + } + + return { + "CallExpression": check, + "NewExpression": check + }; + +}; + +},{}],72:[function(require,module,exports){ +/** + * @fileoverview Rule to flag usage of __iterator__ property + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "MemberExpression": function(node) { + + if (node.property && + (node.property.type === "Identifier" && node.property.name === "__iterator__" && !node.computed) || + (node.property.type === "Literal" && node.property.value === "__iterator__")) { + context.report(node, "Reserved name '__iterator__'."); + } + } + }; + +}; + +},{}],73:[function(require,module,exports){ +/** + * @fileoverview Rule to flag labels that are the same as an identifier + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + function findIdentifier(scope, identifier) { + var found = false; + + scope.variables.forEach(function(variable) { + if (variable.name === identifier) { + found = true; + } + }); + + scope.references.forEach(function(reference) { + if (reference.identifier.name === identifier) { + found = true; + } + }); + + // If we have not found the identifier in this scope, check the parent + // scope. + if (scope.upper && !found) { + return findIdentifier(scope.upper, identifier); + } + + return found; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + + "LabeledStatement": function(node) { + + // Fetch the innermost scope. + var scope = context.getScope(); + + // Recursively find the identifier walking up the scope, starting + // with the innermost scope. + if (findIdentifier(scope, node.label.name)) { + context.report(node, "Found identifier with same name as label."); + } + } + + }; + +}; + +},{}],74:[function(require,module,exports){ +/** + * @fileoverview Disallow Labeled Statements + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "LabeledStatement": function(node) { + context.report(node, "Unexpected labeled statement."); + }, + + "BreakStatement": function(node) { + + if (node.label) { + context.report(node, "Unexpected label in break statement."); + } + + }, + + "ContinueStatement": function(node) { + + if (node.label) { + context.report(node, "Unexpected label in continue statement."); + } + + } + + + }; + +}; + +},{}],75:[function(require,module,exports){ +/** + * @fileoverview Rule to flag blocks with no reason to exist + * @author Brandon Mills + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "BlockStatement": function (node) { + // Check for any occurrence of BlockStatement > BlockStatement or + // Program > BlockStatement + var parent = context.getAncestors().pop(); + if (parent.type === "BlockStatement" || parent.type === "Program") { + context.report(node, "Block is nested inside another block."); + } + } + }; + +}; + +},{}],76:[function(require,module,exports){ +/** + * @fileoverview Rule to disallow if as the only statmenet in an else block + * @author Brandon Mills + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + "IfStatement": function(node) { + var ancestors = context.getAncestors(), + parent = ancestors.pop(), + grandparent = ancestors.pop(); + + if (parent && parent.type === "BlockStatement" && + parent.body.length === 1 && grandparent && + grandparent.type === "IfStatement" && + parent === grandparent.alternate) { + context.report(node, "Unexpected if as the only statement in an else block."); + } + } + }; + +}; + +},{}],77:[function(require,module,exports){ +/** + * @fileoverview Rule to flag creation of function inside a loop + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function checkForLoops(node) { + var ancestors = context.getAncestors(); + + if (ancestors.some(function(ancestor) { + return ancestor.type === "ForStatement" || ancestor.type === "WhileStatement" || ancestor.type === "DoWhileStatement"; + })) { + context.report(node, "Don't make functions within a loop"); + } + } + + return { + "FunctionExpression": checkForLoops, + "FunctionDeclaration": checkForLoops + }; +}; + +},{}],78:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce grouped require statements for Node.JS + * @author Raphael Pigulla + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + "use strict"; + + /** + * Returns the list of built-in modules. + * + * @returns {string[]} An array of built-in Node.js modules. + */ + function getBuiltinModules() { + // This list is generated using `require("repl")._builtinLibs.concat('repl').sort()` + // This particular list was generated using node v0.11.9 + return [ + "assert", "buffer", "child_process", "cluster", "crypto", + "dgram", "dns", "domain", "events", "fs", "http", "https", + "net", "os", "path", "punycode", "querystring", "readline", + "repl", "smalloc", "stream", "string_decoder", "tls", "tty", + "url", "util", "vm", "zlib" + ]; + } + + var BUILTIN_MODULES = getBuiltinModules(); + + var DECL_REQUIRE = "require", + DECL_UNINITIALIZED = "uninitialized", + DECL_OTHER = "other"; + + var REQ_CORE = "core", + REQ_FILE = "file", + REQ_MODULE = "module", + REQ_COMPUTED = "computed"; + + /** + * Determines the type of a declaration statement. + * @param {ASTNode} initExpression The init node of the VariableDeclarator. + * @returns {string} The type of declaration represented by the expression. + */ + function getDeclarationType(initExpression) { + if (!initExpression) { + // "var x;" + return DECL_UNINITIALIZED; + } + + if (initExpression.type === "CallExpression" && + initExpression.callee.type === "Identifier" && + initExpression.callee.name === "require" + ) { + // "var x = require('util');" + return DECL_REQUIRE; + } else if (initExpression.type === "MemberExpression") { + // "var x = require('glob').Glob;" + return getDeclarationType(initExpression.object); + } + + // "var x = 42;" + return DECL_OTHER; + } + + /** + * Determines the type of module that is loaded via require. + * @param {ASTNode} initExpression The init node of the VariableDeclarator. + * @returns {string} The module type. + */ + function inferModuleType(initExpression) { + if (initExpression.type === "MemberExpression") { + // "var x = require('glob').Glob;" + return inferModuleType(initExpression.object); + } else if (initExpression["arguments"].length === 0) { + // "var x = require();" + return REQ_COMPUTED; + } + + var arg = initExpression["arguments"][0]; + + if (arg.type !== "Literal" || typeof arg.value !== "string") { + // "var x = require(42);" + return REQ_COMPUTED; + } + + if (BUILTIN_MODULES.indexOf(arg.value) !== -1) { + // "var fs = require('fs');" + return REQ_CORE; + } else if (/^\.{0,2}\//.test(arg.value)) { + // "var utils = require('./utils');" + return REQ_FILE; + } else { + // "var async = require('async');" + return REQ_MODULE; + } + } + + /** + * Check if the list of variable declarations is mixed, i.e. whether it + * contains both require and other declarations. + * @param {ASTNode} declarations The list of VariableDeclarators. + * @returns {boolean} True if the declarations are mixed, false if not. + */ + function isMixed(declarations) { + var contains = {}; + + declarations.forEach(function (declaration) { + var type = getDeclarationType(declaration.init); + contains[type] = true; + }); + + return !!( + contains[DECL_REQUIRE] && + (contains[DECL_UNINITIALIZED] || contains[DECL_OTHER]) + ); + } + + /** + * Check if all require declarations in the given list are of the same + * type. + * @param {ASTNode} declarations The list of VariableDeclarators. + * @returns {boolean} True if the declarations are grouped, false if not. + */ + function isGrouped(declarations) { + var found = {}; + + declarations.forEach(function (declaration) { + if (getDeclarationType(declaration.init) === DECL_REQUIRE) { + found[inferModuleType(declaration.init)] = true; + } + }); + + return Object.keys(found).length <= 1; + } + + + return { + + "VariableDeclaration": function(node) { + var grouping = !!context.options[0]; + + if (isMixed(node.declarations)) { + context.report( + node, + "Do not mix 'require' and other declarations." + ); + } else if (grouping && !isGrouped(node.declarations)) { + context.report( + node, + "Do not mix core, module, file and computed requires." + ); + } + } + }; + +}; + +},{}],79:[function(require,module,exports){ +/** + * @fileoverview Disallow mixed spaces and tabs for indentation + * @author Jary Niebur + * @copyright 2014 Nicholas C. Zakas. All rights reserved. + * @copyright 2014 Jary Niebur. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var smartTabs = context.options[0]; + + var COMMENT_START = /^\s*\/\*/, + MAYBE_COMMENT = /^\s*\*/; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "Program": function(node) { + /* + * At least one space followed by a tab + * or the reverse before non-tab/-space + * characters begin. + */ + var regex = /^(?=[\t ]*(\t | \t))/, + match, + lines = context.getSourceLines(); + + if (smartTabs) { + /* + * At least one space followed by a tab + * before non-tab/-space characters begin. + */ + regex = /^(?=[\t ]* \t)/; + } + + lines.forEach(function(line, i) { + match = regex.exec(line); + + if (match) { + + if (!MAYBE_COMMENT.test(line) && !COMMENT_START.test(lines[i - 1])) { + context.report(node, { line: i + 1, column: match.index + 1 }, "Mixed spaces and tabs."); + } + + } + }); + } + + }; + +}; + +},{}],80:[function(require,module,exports){ +/** + * @fileoverview Disallow use of multiple spaces. + * @author Vignesh Anand aka vegetableman. + * @copyright 2014 Vignesh Anand. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var OPERATORS = [ + "*", "/", "%", "+", "-", "<<", ">>", ">>>", "<", "<=", ">", ">=", "in", + "instanceof", "==", "!=", "===", "!==", "&", "^", "|", "&&", "||", "=", + "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=", "&=", "^=", "|=", + "?", ":", "," + ], errOps = []; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + context.report(node, "Multiple spaces found around '" + errOps.shift() + "'."); + } + + /** + * Checks whether the operator is in same line as two adjacent tokens. + * @param {ASTNode} left The token left to the operator. + * @param {ASTNode} right The token right to the operator. + * @param {ASTNode} operator The operator. + * @returns {boolean} Whether the operator is in same line as two adjacent tokens. + * @private + */ + function isSameLine(left, right, operator) { + return operator.loc.end.line === left.loc.end.line && + operator.loc.end.line === right.loc.start.line; + } + + /** + * Check whether there are multiple spaces around the operator. + * @param {ASTNode} left The token left to the operator. + * @param {ASTNode} right The token right to the operator. + * @param {ASTNode} operator The operator. + * @returns {boolean} Whether there are multiple spaces. + * @private + */ + function isMultiSpaced(left, right, operator) { + return operator.range[0] - left.range[1] > 1 || + right.range[0] - operator.range[1] > 1; + } + + /** + * Get tokens and validate the spacing. + * @param {ASTNode} left The token left to the operator. + * @param {ASTNode} right The token right to the operator. + * @returns {boolean} Whether multiple spaces were found. + * @private + */ + function validateSpacing(left, right) { + var tokens = context.getTokens({range: [left.range[1], right.range[0]]}, 1, 1), + operator; + + for (var i = 1, l = tokens.length - 1; i < l; ++i) { + left = tokens[i - 1]; + operator = tokens[i]; + right = tokens[i + 1]; + + if (operator && operator.type === "Punctuator" && OPERATORS.indexOf(operator.value) >= 0 && + isSameLine(left, right, operator) && isMultiSpaced(left, right, operator)) { + errOps.push(operator.value); + return true; + } + } + + return false; + } + + + /** + * Report if there are multiple spaces on the expression. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkExpression(node) { + if (validateSpacing(node.left, node.right)) { + report(node); + } + } + + /** + * Report if there are multiple spaces around conditional ternary operators. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkConditional(node) { + if (validateSpacing(node.test, node.consequent)) { + report(node); + } + if (validateSpacing(node.consequent, node.alternate)) { + report(node); + } + } + + /** + * Report if there are multiple spaces around equal operator in variable declaration. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkVar(node) { + if (node.init && validateSpacing(node.id, node.init)) { + report(node); + } + } + + /** + * Report if there are multiple spaces around list of items in objects, arrays, + * function parameters, sequences and declarations. + * @param {ASTNode} node The node to check. + * @param {string} property The property of node. + * @returns {void} + * @private + */ + function checkList(node, property) { + var items = node[property]; + + for (var i = 0, l = items.length; i < l; i++) { + var left = items[i - 1], + right = items[i], + operator = context.getTokenBefore(right); + + if (operator && operator.type === "Punctuator" && operator.value === ",") { + if (isSameLine(left, right, operator) && isMultiSpaced(left, right, operator)) { + errOps.push(operator.value); + report(right); + } + } + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "AssignmentExpression": checkExpression, + "BinaryExpression": checkExpression, + "LogicalExpression": checkExpression, + "ConditionalExpression": checkConditional, + "VariableDeclarator": checkVar, + "ArrayExpression": function(node) { + checkList(node, "elements"); + }, + "ObjectExpression": function(node) { + checkList(node, "properties"); + }, + "SequenceExpression": function(node) { + checkList(node, "expressions"); + }, + "FunctionExpression": function(node) { + checkList(node, "params"); + }, + "FunctionDeclaration": function(node) { + checkList(node, "params"); + }, + "VariableDeclaration": function(node) { + checkList(node, "declarations"); + } + }; + +}; + +},{}],81:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when using multiline strings + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + "use strict"; + + return { + + "Literal": function(node) { + var lineBreak = /\n/; + if (lineBreak.test(node.raw)) { + context.report(node, "Multiline support is limited to browsers supporting ES5 only."); + } + } + }; + +}; + +},{}],82:[function(require,module,exports){ +/** + * @fileoverview Disallows multiple blank lines. + * implementation adapted from the no-trailing-spaces rule. + * @author Greg Cochard + * @copyright 2014 Greg Cochard. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + // Use options.max or 2 as default + var numLines = 2; + + if (context.options.length) { + numLines = context.options[0].max; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "Program": function checkBlankLines(node) { + var lines = context.getSourceLines(), + currentLocation = -1, + lastLocation, + blankCounter = 0, + location, + trimmedLines = lines.map(function(str) { + return str.trim(); + }); + + // Aggregate and count blank lines + do { + lastLocation = currentLocation; + currentLocation = trimmedLines.indexOf("",currentLocation + 1); + if (lastLocation === currentLocation - 1) { + blankCounter++; + } else { + if (blankCounter >= numLines) { + location = { + line: lastLocation + 1, + column: lines[lastLocation].length + }; + context.report(node, location, "Multiple blank lines not allowed."); + } + + // Finally, reset the blank counter + blankCounter = 0; + } + } while (currentLocation !== -1); + } + }; + +}; + +},{}],83:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when re-assigning native objects + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var nativeObjects = ["Array", "Boolean", "Date", "decodeURI", + "decodeURIComponent", "encodeURI", "encodeURIComponent", + "Error", "eval", "EvalError", "Function", "isFinite", + "isNaN", "JSON", "Math", "Number", "Object", "parseInt", + "parseFloat", "RangeError", "ReferenceError", "RegExp", + "String", "SyntaxError", "TypeError", "URIError", + "Map", "NaN", "Set", "WeakMap", "Infinity", "undefined"]; + + return { + + "AssignmentExpression": function(node) { + if (nativeObjects.indexOf(node.left.name) >= 0) { + context.report(node, node.left.name + " is a read-only native object."); + } + }, + + "VariableDeclarator": function(node) { + if (nativeObjects.indexOf(node.id.name) >= 0) { + context.report(node, "Redefinition of '{{nativeObject}}'.", { nativeObject: node.id.name }); + } + } + }; + +}; + +},{}],84:[function(require,module,exports){ +/** + * @fileoverview A rule to disallow negated left operands of the `in` operator + * @author Michael Ficarra + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "BinaryExpression": function(node) { + if (node.operator === "in" && node.left.type === "UnaryExpression" && node.left.operator === "!") { + context.report(node, "The `in` expression's left operand is negated"); + } + } + }; + +}; + +},{}],85:[function(require,module,exports){ +/** + * @fileoverview Rule to flag nested ternary expressions + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "ConditionalExpression": function(node) { + if (node.alternate.type === "ConditionalExpression" || + node.consequent.type === "ConditionalExpression") { + context.report(node, "Do not nest ternary expressions"); + } + } + }; +}; + +},{}],86:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when using new Function + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "NewExpression": function(node) { + if (node.callee.name === "Function") { + context.report(node, "The Function constructor is eval."); + } + } + }; + +}; + +},{}],87:[function(require,module,exports){ +/** + * @fileoverview A rule to disallow calls to the Object constructor + * @author Matt DuVall <http://www.mattduvall.com/> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "NewExpression": function(node) { + if (node.callee.name === "Object") { + context.report(node, "The object literal notation {} is preferrable."); + } + } + }; + +}; + +},{}],88:[function(require,module,exports){ +/** + * @fileoverview Rule to disallow use of new operator with the `require` function + * @author Wil Moore III + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "NewExpression": function(node) { + if (node.callee.type === "Identifier" && node.callee.name === "require") { + context.report(node, "Unexpected use of new with require."); + } + } + }; + +}; + +},{}],89:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when using constructor for wrapper objects + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "NewExpression": function(node) { + var wrapperObjects = ["String", "Number", "Boolean", "Math", "JSON"]; + if (wrapperObjects.indexOf(node.callee.name) > -1) { + context.report(node, "Do not use {{fn}} as a constructor.", { fn: node.callee.name }); + } + } + }; + +}; + +},{}],90:[function(require,module,exports){ +/** + * @fileoverview Rule to flag statements with function invocation preceded by + * "new" and not part of assignment + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "ExpressionStatement": function(node) { + + if (node.expression.type === "NewExpression") { + context.report(node, "Do not use 'new' for side effects."); + } + } + }; + +}; + +},{}],91:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of an object property of the global object (Math and JSON) as a function + * @author James Allardice + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "CallExpression": function(node) { + + if (node.callee.type === "Identifier") { + var name = node.callee.name; + if (name === "Math" || name === "JSON") { + context.report(node, "'{{name}}' is not a function.", { name: name }); + } + } + } + }; + +}; + +},{}],92:[function(require,module,exports){ +/** + * @fileoverview Rule to flag octal escape sequences in string literals. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + if (typeof node.value !== "string") { + return; + } + var match = node.raw.match(/^([^\\]|\\[^0-7])*\\([0-7])/), + octalDigit; + + if (match) { + octalDigit = match[2]; + context.report(node, "Don't use octal: '\\{{octalDigit}}'. Use '\\u....' instead.", + { octalDigit: octalDigit }); + } + } + + }; + +}; + +},{}],93:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when initializing octal literal + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + if (typeof node.value === "number" && /^0[0-7]/.test(node.raw)) { + context.report(node, "Octal literals should not be used."); + } + } + }; + +}; + +},{}],94:[function(require,module,exports){ +/** + * @fileoverview Disallow string concatenation when using __dirname and __filename + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var MATCHER = /^__(?:dir|file)name$/; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "BinaryExpression": function(node) { + + var left = node.left, + right = node.right; + + if (node.operator === "+" && + ((left.type === "Identifier" && MATCHER.test(left.name)) || + (right.type === "Identifier" && MATCHER.test(right.name))) + ) { + + context.report(node, "Use path.join() or path.resolve() instead of + to create paths."); + } + } + + }; + +}; + +},{}],95:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of unary increment and decrement operators. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "UpdateExpression": function(node) { + context.report(node, "Unary operator '" + node.operator + "' used."); + } + + }; + +}; + +},{}],96:[function(require,module,exports){ +/** + * @fileoverview Disallow the use of process.env() + * @author Vignesh Anand + * @copyright 2014 Vignesh Anand. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "MemberExpression": function(node) { + var objectName = node.object.name, + propertyName = node.property.name; + + if (objectName === "process" && !node.computed && propertyName && propertyName === "env") { + context.report(node, "Unexpected use of process.env."); + } + + } + + }; + +}; + +},{}],97:[function(require,module,exports){ +/** + * @fileoverview Disallow the use of process.exit() + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "CallExpression": function(node) { + var callee = node.callee; + + if (callee.type === "MemberExpression" && callee.object.name === "process" && + callee.property.name === "exit" + ) { + context.report(node, "Don't use process.exit(); throw an error instead."); + } + } + + }; + +}; + +},{}],98:[function(require,module,exports){ +/** + * @fileoverview Rule to flag usage of __proto__ property + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "MemberExpression": function(node) { + + if (node.property && + (node.property.type === "Identifier" && node.property.name === "__proto__" && !node.computed) || + (node.property.type === "Literal" && node.property.value === "__proto__")) { + context.report(node, "The '__proto__' property is deprecated."); + } + } + }; + +}; + +},{}],99:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when the same variable is declared more then once. + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function findVariables() { + var scope = context.getScope(); + + scope.variables.forEach(function(variable) { + if (variable.identifiers && variable.identifiers.length > 1) { + variable.identifiers.sort(function(a, b) { + return a.range[1] - b.range[1]; + }); + + for (var i = 1, l = variable.identifiers.length; i < l; i++) { + context.report(variable.identifiers[i], "{{a}} is already defined", {a: variable.name}); + } + } + }); + } + + return { + "Program": findVariables, + "FunctionExpression": findVariables, + "FunctionDeclaration": findVariables + }; +}; + +},{}],100:[function(require,module,exports){ +/** + * @fileoverview Rule to count multiple spaces in regular expressions + * @author Matt DuVall <http://www.mattduvall.com/> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + var token = context.getFirstTokens(node, 1)[0], + nodeType = token.type, + nodeValue = token.value, + multipleSpacesRegex = /( {2,})+?/, + regexResults; + + if (nodeType === "RegularExpression") { + regexResults = multipleSpacesRegex.exec(nodeValue); + + if (regexResults !== null) { + context.report(node, "Spaces are hard to count. Use {" + regexResults[0].length + "}."); + } + } + } + }; + +}; + +},{}],101:[function(require,module,exports){ +/** + * @fileoverview Rule to disallow reserved words being used as keys + * @author Emil Bay + * @copyright 2014 Emil Bay. All rights reserved. + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var MESSAGE = "Reserved word '{{key}}' used as key."; + + var reservedWords = [ + "abstract", + "boolean", "break", "byte", + "case", "catch", "char", "class", "const", "continue", + "debugger", "default", "delete", "do", "double", + "else", "enum", "export", "extends", + "final", "finally", "float", "for", "function", + "goto", + "if", "implements", "import", "in", "instanceof", "int", "interface", + "long", + "native", "new", + "package", "private", "protected", "public", + "return", + "short", "static", "super", "switch", "synchronized", + "this", "throw", "throws", "transient", "try", "typeof", + "var", "void", "volatile", + "while", "with" + ]; + + return { + + "ObjectExpression": function(node) { + node.properties.forEach(function(property) { + + if (property.key.type === "Identifier") { + var keyName = property.key.name; + + if (reservedWords.indexOf("" + keyName) !== -1) { + context.report(node, MESSAGE, { key: keyName }); + } + } + + }); + + } + }; + +}; + +},{}],102:[function(require,module,exports){ +/** + * @fileoverview Restrict usage of specified node modules. + * @author Christian Schulz + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + // trim restricted module names + var restrictedModules = context.options; + + // if no modules are restricted we don't need to check the CallExpressions + if (restrictedModules.length === 0) { + return {}; + } + + /** + * Function to check if a node is a string literal. + * @param {ASTNode} node The node to check. + * @returns {boolean} If the node is a string literal. + */ + function isString(node) { + return node && node.type === "Literal" && typeof node.value === "string"; + } + + /** + * Function to check if a node is a require call. + * @param {ASTNode} node The node to check. + * @returns {boolean} If the node is a require call. + */ + function isRequireCall(node) { + return node.callee.type === "Identifier" && node.callee.name === "require"; + } + + /** + * Function to check if a node has an argument that is an restricted module and return its name. + * @param {ASTNode} node The node to check + * @returns {undefined|String} restricted module name or undefined if node argument isn't restricted. + */ + function getRestrictedModuleName(node) { + var moduleName; + + // node has arguments and first argument is string + if (node.arguments.length && isString(node.arguments[0])) { + var argumentValue = node.arguments[0].value.trim(); + + // check if argument value is in restricted modules array + if (restrictedModules.indexOf(argumentValue) !== -1) { + moduleName = argumentValue; + } + } + + return moduleName; + } + + return { + "CallExpression": function (node) { + if (isRequireCall(node)) { + var restrictedModuleName = getRestrictedModuleName(node); + + if (restrictedModuleName) { + context.report(node, "'{{moduleName}}' module is restricted from being used.", { + moduleName: restrictedModuleName + }); + } + } + } + }; +}; + +},{}],103:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when return statement contains assignment + * @author Ilya Volodin + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "ReturnStatement": function(node) { + if (node.argument && node.argument.type === "AssignmentExpression") { + context.report(node, "Return statement should not contain assignment."); + } + } + }; + +}; + +},{}],104:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when using javascript: urls + * @author Ilya Volodin + */ +/*jshint scripturl: true */ +/*eslint no-script-url: 0*/ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "Literal": function(node) { + + var value; + + if (node.value && typeof(node.value) === "string") { + value = node.value.toLowerCase(); + + if (value.indexOf("javascript:") === 0) { + context.report(node, "Script URL is a form of eval."); + } + } + } + }; + +}; + +},{}],105:[function(require,module,exports){ +/** + * @fileoverview Rule to flag comparison where left part is the same as the right + * part. + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + "use strict"; + + return { + + "BinaryExpression": function(node) { + var operators = ["===", "==", "!==", "!=", ">", "<", ">=", "<="]; + if (operators.indexOf(node.operator) > -1 && + (node.left.type === "Identifier" && node.right.type === "Identifier" && node.left.name === node.right.name || + node.left.type === "Literal" && node.right.type === "Literal" && node.left.value === node.right.value)) { + context.report(node, "Comparing to itself is potentially pointless."); + } + } + }; + +}; + +},{}],106:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of comma operator + * @author Brandon Mills + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + /** + * Parts of the grammar that are required to have parens. + */ + var parenthesized = { + "DoWhileStatement": "test", + "IfStatement": "test", + "SwitchStatement": "discriminant", + "WhileStatement": "test", + "WithStatement": "object" + + // Omitting CallExpression - commas are parsed as argument separators + // Omitting NewExpression - commas are parsed as argument separators + // Omitting ForInStatement - parts aren't individually parenthesised + // Omitting ForStatement - parts aren't individually parenthesised + }; + + /** + * Determines whether a node is required by the grammar to be wrapped in + * parens, e.g. the test of an if statement. + * @param {ASTNode} node - The AST node + * @returns {boolean} True if parens around node belong to parent node. + */ + function requiresExtraParens(node) { + return node.parent && parenthesized[node.parent.type] != null && + node === node.parent[parenthesized[node.parent.type]]; + } + + /** + * Check if a node is wrapped in parens. + * @param {ASTNode} node - The AST node + * @returns {boolean} True if the node has a paren on each side. + */ + function isParenthesised(node) { + var previousToken = context.getTokenBefore(node), + nextToken = context.getTokenAfter(node); + + return previousToken && nextToken && + previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + /** + * Check if a node is wrapped in two levels of parens. + * @param {ASTNode} node - The AST node + * @returns {boolean} True if two parens surround the node on each side. + */ + function isParenthesisedTwice(node) { + var previousToken = context.getTokenBefore(node, 1), + nextToken = context.getTokenAfter(node, 1); + + return isParenthesised(node) && previousToken && nextToken && + previousToken.value === "(" && previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && nextToken.range[0] >= node.range[1]; + } + + return { + "SequenceExpression": function(node) { + // Always allow sequences in for statement update + if (node.parent.type === "ForStatement" && + (node === node.parent.init || node === node.parent.update)) { + return; + } + + // Wrapping a sequence in extra parens indicates intent + if (requiresExtraParens(node)) { + if (isParenthesisedTwice(node)) { + return; + } + } else { + if (isParenthesised(node)) { + return; + } + } + + context.report(node, "Unexpected use of comma operator."); + } + }; + +}; + +},{}],107:[function(require,module,exports){ +/** + * @fileoverview Disallow shadowing of NaN, undefined, and Infinity (ES5 section 15.1.1) + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var RESTRICTED = ["undefined", "NaN", "Infinity", "arguments", "eval"]; + + function checkForViolation(id) { + if (RESTRICTED.indexOf(id.name) > -1) { + context.report(id, "Shadowing of global property \"" + id.name + "\"."); + } + } + + return { + "VariableDeclarator": function(node) { + checkForViolation(node.id); + }, + "FunctionExpression": function(node) { + if (node.id) { + checkForViolation(node.id); + } + [].map.call(node.params, checkForViolation); + }, + "FunctionDeclaration": function(node) { + checkForViolation(node.id); + [].map.call(node.params, checkForViolation); + }, + "CatchClause": function(node) { + checkForViolation(node.param); + } + }; + +}; + +},{}],108:[function(require,module,exports){ +/** + * @fileoverview Rule to flag on declaring variables already declared in the outer scope + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + /** + * Checks if a variable is contained in the list of given scope variables. + * @param {Object} variable The variable to check. + * @param {Array} scopeVars The scope variables to look for. + * @returns {boolean} Whether or not the variable is contains in the list of scope variables. + */ + function isContainedInScopeVars(variable, scopeVars) { + return scopeVars.some(function (scopeVar) { + if (scopeVar.identifiers.length > 0) { + return variable.name === scopeVar.name; + } + return false; + }); + } + + /** + * Checks if the given variables are shadowed in the given scope. + * @param {Array} variables The variables to look for + * @param {Object} scope The scope to be checked. + * @returns {void} + */ + function checkShadowsInScope(variables, scope) { + variables.forEach(function (variable) { + if (isContainedInScopeVars(variable, scope.variables)) { + context.report(variable.identifiers[0], "{{a}} is already declared in the upper scope.", {a: variable.name}); + } + }); + } + + /** + * Filters all variables of a list which already occur in another list. + * @param {Array} variableListA List of variables which should be filtered. + * @param {Array} variableListB List of variables which should no occur in variableListA. + * @returns {Array} Filtered list of variables. + */ + function filterVariableList(variableListA, variableListB) { + return variableListA.filter(function (variableA) { + return !variableListB.some(function (variableB) { + return variableA.name === variableB.name; + }); + }); + } + + /** + * Checks the given node for shadowed variables. + * @param {ASTNode} node The AST node of a FunctionDeclaration or FunctionExpression. + * @returns {void} + */ + function checkForShadows(node) { + var scope = context.getScope(), + args = node.params, + variables = filterVariableList(scope.variables, args); + + // iterate through the array of variables and find duplicates with the upper scope + var upper = scope.upper; + while (upper) { + checkShadowsInScope(variables, upper); + upper = upper.upper; + } + } + + return { + "FunctionDeclaration": checkForShadows, + "FunctionExpression": checkForShadows + }; + +}; + +},{}],109:[function(require,module,exports){ +/** + * @fileoverview Rule to require variables declared without whitespace before the lines semicolon + * @author Jonathan Kingston + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var semicolonWhitespace = /\s;$/; + + return { + "VariableDeclaration": function(node) { + var source = context.getSource(node); + if (semicolonWhitespace.test(source)) { + context.report(node, "Variable declared with trailing whitespace before semicolon"); + } + }, + "ExpressionStatement": function(node) { + var source = context.getSource(node); + if (semicolonWhitespace.test(source)) { + context.report(node, "Expression called with trailing whitespace before semicolon"); + } + } + }; +}; + +},{}],110:[function(require,module,exports){ +/** + * @fileoverview Rule to check that spaced function application + * @author Matt DuVall <http://www.mattduvall.com> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function detectOpenSpaces(node) { + var lastCalleeToken = context.getLastToken(node.callee); + var tokens = context.getTokens(node); + var i = tokens.indexOf(lastCalleeToken), l = tokens.length; + while (i < l && tokens[i].value !== "(") { + ++i; + } + if (i >= l) { + return; + } + // look for a space between the callee and the open paren + if (tokens[i - 1].range[1] !== tokens[i].range[0]) { + context.report(node, "Unexpected space between function name and paren."); + } + } + + return { + "CallExpression": detectOpenSpaces, + "NewExpression": detectOpenSpaces + }; + +}; + +},{}],111:[function(require,module,exports){ +/** + * @fileoverview Disallow sparse arrays + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "ArrayExpression": function(node) { + + var emptySpot = node.elements.indexOf(null) > -1; + + if (emptySpot) { + context.report(node, "Unexpected comma in middle of array."); + } + } + + }; + +}; + +},{}],112:[function(require,module,exports){ +/** + * @fileoverview Rule to check for properties whose identifier ends with the string Sync + * @author Matt DuVall<http://mattduvall.com/> + */ + +/*jshint node:true*/ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "MemberExpression": function(node) { + var propertyName = node.property.name, + syncRegex = /.*Sync$/; + + if (syncRegex.exec(propertyName) !== null) { + context.report(node, "Unexpected sync method: '" + propertyName + "'."); + } + } + }; + +}; + +},{}],113:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of ternary operators. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "ConditionalExpression": function(node) { + context.report(node, "Ternary operator used."); + } + + }; + +}; + +},{}],114:[function(require,module,exports){ +/** + * @fileoverview Disallow trailing spaces at the end of lines. + * @author Nodeca Team <https://github.com/nodeca> + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var TRAILER = "[ \t\u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000]+$"; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "Program": function checkTrailingSpaces(node) { + + // Let's hack. Since Esprima does not return whitespace nodes, + // fetch the source code and do black magic via regexps. + + var src = context.getSource(), + re = new RegExp(TRAILER, "mg"), + match, lines, location; + + while ((match = re.exec(src)) !== null) { + lines = src.slice(0, re.lastIndex).split(/\r?\n/g); + + location = { + line: lines.length, + column: lines[lines.length - 1].length - match[0].length + 1 + }; + + // Passing node is a bit dirty, because message data will contain + // big text in `source`. But... who cares :) ? + // One more kludge will not make worse the bloody wizardry of this plugin. + context.report(node, location, "Trailing spaces not allowed."); + } + } + + }; +}; + +},{}],115:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when initializing to undefined + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "VariableDeclarator": function(node) { + var name = node.id.name; + var init = node.init && node.init.name; + + if (init === "undefined") { + context.report(node, "It's not necessary to initialize '{{name}}' to undefined.", { name: name }); + } + } + }; + +}; + +},{}],116:[function(require,module,exports){ +/** + * @fileoverview Rule to flag references to undeclared variables. + * @author Mark Macdonald + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +function isImplicitGlobal(variable) { + return variable.defs.every(function(def) { + return def.type === "ImplicitGlobalVariable"; + }); +} + +/** + * Gets the declared variable, defined in `scope`, that `ref` refers to. + * @param {Scope} scope The scope in which to search. + * @param {Reference} ref The reference to find in the scope. + * @returns {Variable} The variable, or null if ref refers to an undeclared variable. + */ +function getDeclaredGlobalVariable(scope, ref) { + var declaredGlobal = null; + scope.variables.some(function(variable) { + if (variable.name === ref.identifier.name) { + // If it's an implicit global, it must have a `writeable` field (indicating it was declared) + if (!isImplicitGlobal(variable) || {}.hasOwnProperty.call(variable, "writeable")) { + declaredGlobal = variable; + return true; + } + } + return false; + }); + return declaredGlobal; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "Program": function(/*node*/) { + + var globalScope = context.getScope(); + + globalScope.through.forEach(function(ref) { + var variable = getDeclaredGlobalVariable(globalScope, ref), + name = ref.identifier.name; + if (!variable) { + context.report(ref.identifier, "'{{name}}' is not defined.", { name: name }); + } else if (ref.isWrite() && variable.writeable === false) { + context.report(ref.identifier, "'{{name}}' is read only.", { name: name }); + } + }); + } + }; + +}; + +},{}],117:[function(require,module,exports){ +/** + * @fileoverview Rule to flag references to the undefined variable. + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + return { + + "Identifier": function(node) { + if (node.name === "undefined") { + var parent = context.getAncestors().pop(); + if (!parent || parent.type !== "MemberExpression" || node !== parent.property || parent.computed) { + context.report(node, "Unexpected use of undefined."); + } + } + } + }; + +}; + +},{}],118:[function(require,module,exports){ +/** + * @fileoverview Rule to flag trailing underscores in variable declarations. + * @author Matt DuVall <http://www.mattduvall.com> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //------------------------------------------------------------------------- + // Helpers + //------------------------------------------------------------------------- + + function hasTrailingUnderscore(identifier) { + var len = identifier.length; + + return identifier !== "_" && (identifier[0] === "_" || identifier[len - 1] === "_"); + } + + function isSpecialCaseIdentifierForMemberExpression(identifier) { + return identifier === "__proto__"; + } + + function isSpecialCaseIdentifierInVariableExpression(identifier) { + // Checks for the underscore library usage here + return identifier === "_"; + } + + function checkForTrailingUnderscoreInFunctionDeclaration(node) { + var identifier = node.id.name; + + if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier)) { + context.report(node, "Unexpected dangling '_' in '" + identifier + "'."); + } + } + + function checkForTrailingUnderscoreInVariableExpression(node) { + var identifier = node.id.name; + + if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && + !isSpecialCaseIdentifierInVariableExpression(identifier)) { + context.report(node, "Unexpected dangling '_' in '" + identifier + "'."); + } + } + + function checkForTrailingUnderscoreInMemberExpression(node) { + var identifier = node.property.name; + + if (typeof identifier !== "undefined" && hasTrailingUnderscore(identifier) && + !isSpecialCaseIdentifierForMemberExpression(identifier)) { + context.report(node, "Unexpected dangling '_' in '" + identifier + "'."); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "FunctionDeclaration": checkForTrailingUnderscoreInFunctionDeclaration, + "VariableDeclarator": checkForTrailingUnderscoreInVariableExpression, + "MemberExpression": checkForTrailingUnderscoreInMemberExpression + }; + +}; + +},{}],119:[function(require,module,exports){ +/** + * @fileoverview Checks for unreachable code due to return, throws, break, and continue. + * @author Joel Feenstra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + + +function report(context, node, unreachableType) { + var keyword; + switch (unreachableType) { + case "BreakStatement": + keyword = "break"; + break; + case "ContinueStatement": + keyword = "continue"; + break; + case "ReturnStatement": + keyword = "return"; + break; + case "ThrowStatement": + keyword = "throw"; + break; + default: + return; + } + context.report(node, "Found unexpected statement after a {{type}}.", { type: keyword }); +} + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + /** + * Checks if a node is an exception for no-unreachable because of variable/function hoisting + * @param {ASTNode} node The AST node to check. + * @returns {boolean} if the node doesn't trigger unreachable + * @private + */ + function isUnreachableAllowed(node) { + return node.type === "FunctionDeclaration" || + node.type === "VariableDeclaration" && + node.declarations.every(function(declaration) { + return declaration.type === "VariableDeclarator" && declaration.init === null; + }); + } + + /* + * Verifies that the given node is the last node or followed exclusively by + * hoisted declarations + * @param {ASTNode} node Node that should be the last node + * @returns {void} + * @private + */ + function checkNode(node) { + var parent = context.getAncestors().pop(); + var field, i, sibling; + + switch (parent.type) { + case "SwitchCase": + field = "consequent"; + break; + case "Program": + case "BlockStatement": + field = "body"; + break; + default: + return; + } + + for (i = parent[field].length - 1; i >= 0; i--) { + sibling = parent[field][i]; + if (sibling === node) { + return; // Found the last reachable statement, all done + } + + if (!isUnreachableAllowed(sibling)) { + report(context, sibling, node.type); + } + } + } + + return { + "ReturnStatement": checkNode, + "ThrowStatement": checkNode, + "ContinueStatement": checkNode, + "BreakStatement": checkNode + }; + +}; + +},{}],120:[function(require,module,exports){ +/** + * @fileoverview Flag expressions in statement position that do not side effect + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + /** + * @param {ASTNode} node - any node + * @returns {Boolean} whether the given node structurally represents a directive + */ + function looksLikeDirective(node) { + return node.type === "ExpressionStatement" && + node.expression.type === "Literal" && typeof node.expression.value === "string"; + } + + /** + * @param {Function} predicate - ([a] -> Boolean) the function used to make the determination + * @param {a[]} list - the input list + * @returns {a[]} the leading sequence of members in the given list that pass the given predicate + */ + function takeWhile(predicate, list) { + for (var i = 0, l = list.length; i < l; ++i) { + if (!predicate(list[i])) { + break; + } + } + return [].slice.call(list, 0, i); + } + + /** + * @param {ASTNode} node - a Program or BlockStatement node + * @returns {ASTNode[]} the leading sequence of directive nodes in the given node's body + */ + function directives(node) { + return takeWhile(looksLikeDirective, node.body); + } + + /** + * @param {ASTNode} node - any node + * @param {ASTNode[]} ancestors - the given node's ancestors + * @returns {Boolean} whether the given node is considered a directive in its current position + */ + function isDirective(node, ancestors) { + var parent = ancestors[ancestors.length - 1], + grandparent = ancestors[ancestors.length - 2]; + return (parent.type === "Program" || parent.type === "BlockStatement" && (grandparent.type === "FunctionExpression" || grandparent.type === "FunctionDeclaration")) && + directives(parent).indexOf(node) >= 0; + } + + return { + "ExpressionStatement": function(node) { + + var type = node.expression.type, + ancestors = context.getAncestors(); + + if ( + !/^(?:Assignment|Call|New|Update)Expression$/.test(type) && + (type !== "UnaryExpression" || ["delete", "void"].indexOf(node.expression.operator) < 0) && + !isDirective(node, ancestors) + ) { + context.report(node, "Expected an assignment or function call and instead saw an expression."); + } + } + }; + +}; + +},{}],121:[function(require,module,exports){ +/** + * @fileoverview Rule to flag declared but unused variables + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var config = { + vars: "all", + args: "after-used" + }; + + if (context.options[0]) { + if (typeof(context.options[0]) === "string") { + config.vars = context.options[0]; + } else { + config.vars = context.options[0].vars || config.vars; + config.args = context.options[0].args || config.args; + } + } + + var MESSAGE = "{{name}} is defined but never used"; + + /** + * @param {Reference} ref - an escope Reference + * @returns {Boolean} whether the given reference represents a read operation + */ + function isReadRef(ref) { + return ref.isRead(); + } + + /** + * @param {Scope} scope - an escope Scope object + * @returns {Variable[]} most of the local variables with no read references + */ + function unusedLocals(scope) { + var unused = []; + var variables = scope.variables; + if (scope.type !== "global") { + for (var i = 0, l = variables.length; i < l; ++i) { + // skip function expression names + if (scope.functionExpressionScope) { + continue; + } + // skip implicit "arguments" variable + if (scope.type === "function" && variables[i].name === "arguments" && variables[i].identifiers.length === 0) { + continue; + } + var type = variables[i].defs[0].type; + // skip catch variables + if (type === "CatchClause") { + continue; + } + // if "args" option is "none", skip any parameter + if (config.args === "none" && type === "Parameter") { + continue; + } + // if "args" option is "after-used", skip all but the last parameter + if (config.args === "after-used" && type === "Parameter" && variables[i].defs[0].index < variables[i].defs[0].node.params.length - 1) { + continue; + } + if (variables[i].references.filter(isReadRef).length === 0) { + unused.push(variables[i]); + } + } + } + return [].concat.apply(unused, [].map.call(scope.childScopes, unusedLocals)); + } + + return { + "Program": function(programNode) { + var globalScope = context.getScope(); + var unused = unusedLocals(globalScope); + var i, l; + + // determine unused globals + if (config.vars === "all") { + var unresolvedRefs = globalScope.through.filter(isReadRef).map(function(ref) { + return ref.identifier.name; + }); + for (i = 0, l = globalScope.variables.length; i < l; ++i) { + if (unresolvedRefs.indexOf(globalScope.variables[i].name) < 0) { + unused.push(globalScope.variables[i]); + } + } + } + + for (i = 0, l = unused.length; i < l; ++i) { + if (unused[i].eslintExplicitGlobal) { + context.report(programNode, MESSAGE, unused[i]); + } else if (unused[i].defs.length > 0) { + context.report(unused[i].identifiers[0], MESSAGE, unused[i]); + } + } + } + }; + +}; + +},{}],122:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of variables before they are defined + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +var NO_FUNC = "nofunc"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + function findDeclaration(name, scope) { + // try searching in the current scope first + for (var i = 0, l = scope.variables.length; i < l; i++) { + if (scope.variables[i].name === name) { + return scope.variables[i]; + } + } + // check if there's upper scope and call recursivly till we find the variable + if (scope.upper) { + return findDeclaration(name, scope.upper); + } + } + + function findVariables() { + var scope = context.getScope(); + var typeOption = context.options[0]; + + function checkLocationAndReport(reference, declaration) { + if (typeOption !== NO_FUNC || declaration.defs[0].type !== "FunctionName") { + if (declaration.identifiers[0].range[1] > reference.identifier.range[1]) { + context.report(reference.identifier, "{{a}} was used before it was defined", {a: reference.identifier.name}); + } + } + } + + scope.references.forEach(function(reference) { + // if the reference is resolved check for declaration location + // if not, it could be function invocation, try to find manually + if (reference.resolved && reference.resolved.identifiers.length > 0) { + checkLocationAndReport(reference, reference.resolved); + } else { + var declaration = findDeclaration(reference.identifier.name, scope); + // if there're no identifiers, this is a global environment variable + if (declaration && declaration.identifiers.length !== 0) { + checkLocationAndReport(reference, declaration); + } + } + }); + } + + return { + "Program": findVariables, + "FunctionExpression": findVariables, + "FunctionDeclaration": findVariables + }; +}; + +},{}],123:[function(require,module,exports){ +/** + * @fileoverview Rule to disallow use of void operator. + * @author Mike Sidorov + * @copyright 2014 Mike Sidorov. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "UnaryExpression": function(node) { + if (node.operator === "void") { + context.report(node, "Expected 'undefined' and instead saw 'void'."); + } + } + }; + +}; + +},{}],124:[function(require,module,exports){ +/** + * @fileoverview Rule that warns about used warning comments + * @author Alexander Schmidt <https://github.com/lxanders> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + "use strict"; + + var configuration = context.options[0] || {}, + warningTerms = configuration.terms || ["todo", "fixme", "xxx"], + location = configuration.location || "start"; + + /** + * Prepares a specified comment for being checked. + * @param {String} comment The comment to prepare. + * @returns {String} The specified comment prepared for being checked. + */ + function prepareCommentForChecking(comment) { + var commentToCheck; + + commentToCheck = comment.toLowerCase(); + commentToCheck = commentToCheck.trim(); + + return commentToCheck; + } + + /** + * Checks if the specified comment starts with a specified term. + * @param {String} commentToCheck The comment to check. + * @param {String} lowerCaseTerm The term to search for. + * @returns {Boolean} True if the comment started with the specified term, else false. + */ + function commentStartsWithTerm(commentToCheck, lowerCaseTerm) { + return commentToCheck.indexOf(lowerCaseTerm) === 0; + } + + /** + * Checks if the specified comment contains a specified term at any location. + * @param {String} commentToCheck The comment to check. + * @param {String} lowerCaseTerm The term to search for. + * @returns {Boolean} True if the term was contained in the comment, else false. + */ + function commentContainsTerm(commentToCheck, lowerCaseTerm) { + return commentToCheck.indexOf(lowerCaseTerm) !== -1; + } + + + /** + * Checks the specified comment for matches of the configured warning terms and returns the matches. + * @param {String} comment The comment which is checked. + * @returns {Array} All matched warning terms for this comment. + */ + function commentContainsWarningTerm(comment) { + var matches = []; + + warningTerms.forEach(function (term) { + var lowerCaseTerm = term.toLowerCase(), + commentToCheck = prepareCommentForChecking(comment); + + if (location === "start") { + if (commentStartsWithTerm(commentToCheck, lowerCaseTerm)) { + matches.push(term); + } + } else if (location === "anywhere") { + if (commentContainsTerm(commentToCheck, lowerCaseTerm)) { + matches.push(term); + } + } + }); + + return matches; + } + + /** + * Checks the specified node for matching warning comments and reports them. + * @param {ASTNode} node The AST node being checked. + * @returns {void} undefined. + */ + function checkComment(node) { + var matches = commentContainsWarningTerm(node.value); + + matches.forEach(function (matchedTerm) { + context.report(node, "Unexpected " + matchedTerm + " comment."); + }); + } + + return { + "BlockComment": checkComment, + "LineComment": checkComment + }; +}; + +},{}],125:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of with statement + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "WithStatement": function(node) { + context.report(node, "Unexpected use of 'with' statement."); + } + }; + +}; + +},{}],126:[function(require,module,exports){ +/** + * @fileoverview Rule to flag wrapping none-iffe in parens + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "FunctionExpression": function(node) { + var ancestors = context.getAncestors(), + previousToken, nextToken; + + if (!/CallExpression|NewExpression/.test(ancestors.pop().type)) { + previousToken = context.getTokenBefore(node); + nextToken = context.getTokenAfter(node); + if (previousToken.value === "(" && nextToken.value === ")") { + context.report(node, "Wrapping non-IIFE function literals in parens is unnecessary."); + } + } + } + }; + +}; + +},{}],127:[function(require,module,exports){ +/** + * @fileoverview A rule to ensure the use of a single variable declaration. + * @author Ian Christian Myers + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + var functionStack = []; + + function startFunction() { + functionStack.push(false); + } + + function endFunction() { + functionStack.pop(); + } + + function checkDeclarations(node) { + if (functionStack[functionStack.length - 1]) { + context.report(node, "Combine this with the previous 'var' statement."); + } else { + functionStack[functionStack.length - 1] = true; + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "Program": startFunction, + "FunctionDeclaration": startFunction, + "FunctionExpression": startFunction, + + "VariableDeclaration": checkDeclarations, + + "Program:exit": endFunction, + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction + }; + +}; + +},{}],128:[function(require,module,exports){ +/** + * @fileoverview A rule to ensure blank lines within blocks. + * @author Mathias Schreck <https://github.com/lo1tuma> + * @copyright 2014 Mathias Schreck. All rights reserved. + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + var requirePadding = context.options[0] !== "never"; + + /** + * Checks if the given non empty block node has a blank line before its first child node. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {boolean} Whether or not the block starts with a blank line. + */ + function isNonEmptyBlockTopPadded(node) { + var blockStart = node.loc.start.line, + first = node.body[0], + firstLine = first.loc.start.line, + expectedFirstLine = blockStart + 2, + leadingComments = context.getComments(first).leading; + + if (leadingComments.length > 0) { + firstLine = leadingComments[0].loc.start.line; + } + + return expectedFirstLine <= firstLine; + } + + /** + * Checks if the given non empty block node has a blank line after its last child node. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {boolean} Whether or not the block ends with a blank line. + */ + function isNonEmptyBlockBottomPadded(node) { + var blockEnd = node.loc.end.line, + last = node.body[node.body.length - 1], + lastLine = last.loc.end.line, + expectedLastLine = blockEnd - 2, + trailingComments = context.getComments(last).trailing; + + if (trailingComments.length > 0) { + lastLine = trailingComments[trailingComments.length - 1].loc.end.line; + } + + return lastLine <= expectedLastLine; + } + + /** + * Checks if the given non empty block node starts AND ends with a blank line. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {boolean} Whether or not the block starts and ends with a blank line. + */ + function isNonEmptyBlockPadded(node) { + return isNonEmptyBlockTopPadded(node) && isNonEmptyBlockBottomPadded(node); + } + + /** + * Checks if the given non empty block node starts OR ends with a blank line. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {boolean} Whether or not the block starts and ends with a blank line. + */ + function hasNonEmptyBlockExtraPadding(node) { + return isNonEmptyBlockTopPadded(node) || isNonEmptyBlockBottomPadded(node); + } + + /** + * Checks the given BlockStatement node to be padded if the block is not empty. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {void} undefined. + */ + function checkPadding(node) { + if (node.body.length > 0) { + if (requirePadding) { + if (!isNonEmptyBlockPadded(node)) { + context.report(node, "Block must be padded by blank lines."); + } + } else { + if (hasNonEmptyBlockExtraPadding(node)) { + context.report(node, "Block must not be padded by blank lines."); + } + } + } + } + + return { + "BlockStatement": checkPadding + }; + +}; + +},{}],129:[function(require,module,exports){ +/** + * @fileoverview Rule to flag non-quoted property names in object literals. + * @author Mathias Bynens <http://mathiasbynens.be/> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +var esprima = require("esprima"); + +module.exports = function(context) { + + "use strict"; + + var MODE = context.options[0]; + + switch (MODE) { + + case "as-needed": + return { + Property: function(node) { + var key = node.key; + // Ensure that any quoted property names required quoting + if (key.type === "Literal" && typeof key.value === "string") { + try { + var tokens = esprima.tokenize(key.value); + if (tokens.length !== 1) { + return; + } + var t = tokens[0]; + } catch(e) { + return; + } + if (t.type === "Identifier" || t.type === "Null" || t.type === "Boolean" || t.type === "Numeric" && "" + +t.value === t.value) { + context.report(node, "Unnecessarily quoted property `{{name}}` found.", key); + } + } + } + }; + + default: + return { + Property: function(node) { + var key = node.key; + // Ensure all property names are quoted + if (key.type !== "Literal" || typeof key.value !== "string") { + context.report(node, "Unquoted property `{{name}}` found.", key); + } + } + }; + + } + +}; + +},{"esprima":6}],130:[function(require,module,exports){ +/** + * @fileoverview A rule to choose between single and double quote marks + * @author Matt DuVall <http://www.mattduvall.com/>, Brandon Payton + */ + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +var QUOTE_SETTINGS = { + "double": { + quote: "\"", + alternateQuote: "'", + description: "doublequote" + }, + "single": { + quote: "'", + alternateQuote: "\"", + description: "singlequote" + } +}; + +var AVOID_ESCAPE = "avoid-escape"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + /** + * Validate that a string passed in is surrounded by the specified character + * @param {string} val The text to check. + * @param {string} character The character to see if it's surrounded by. + * @returns {boolean} True if the text is surrounded by the character, false if not. + */ + function isSurroundedBy(val, character) { + return val[0] === character && val[val.length - 1] === character; + } + + return { + + "Literal": function(node) { + var val = node.value, + rawVal = node.raw, + quoteOption = context.options[0], + settings = QUOTE_SETTINGS[quoteOption], + avoidEscape = context.options[1] === AVOID_ESCAPE, + isValid; + + if (settings && typeof val === "string") { + isValid = isSurroundedBy(rawVal, settings.quote); + + if (!isValid && avoidEscape) { + isValid = isSurroundedBy(rawVal, settings.alternateQuote) && rawVal.indexOf(settings.quote) >= 0; + } + + if (!isValid) { + context.report(node, "Strings must use " + settings.description + "."); + } + } + } + }; + +}; + +},{}],131:[function(require,module,exports){ +/** + * @fileoverview Rule to flag use of parseInt without a radix argument + * @author James Allardice + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "CallExpression": function(node) { + + var radix; + + if (node.callee.name === "parseInt") { + + if (node.arguments.length < 2) { + context.report(node, "Missing radix parameter."); + } else { + + radix = node.arguments[1]; + + // don't allow non-numeric literals or undefined + if ((radix.type === "Literal" && typeof radix.value !== "number") || + (radix.type === "Identifier" && radix.name === "undefined") + ) { + context.report(node, "Invalid radix parameter."); + } + } + + } + } + }; + +}; + +},{}],132:[function(require,module,exports){ +/** + * @fileoverview Rule to flag missing semicolons. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ +module.exports = function(context) { + + var OPT_OUT_PATTERN = /[\[\(\/\+\-]/; + + var always = context.options[0] !== "never"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks a node to see if it's followed by a semicolon. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkForSemicolon(node) { + var lastToken = context.getLastToken(node), + nextToken = context.getTokenAfter(node); + + if (always) { + if (lastToken.type !== "Punctuator" || lastToken.value !== ";") { + context.report(node, lastToken.loc.end, "Missing semicolon."); + } + } else { + if (lastToken.type === "Punctuator" && lastToken.value === ";") { + + if (!nextToken || !(OPT_OUT_PATTERN.test(nextToken.value))) { + context.report(node, node.loc.end, "Extra semicolon."); + } + + } + } + } + + /** + * Checks to see if there's a semicolon after a variable declaration. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkForSemicolonForVariableDeclaration(node) { + + var ancestors = context.getAncestors(), + parentIndex = ancestors.length - 1, + parent = ancestors[parentIndex]; + + if ((parent.type !== "ForStatement" || parent.init !== node) && + (parent.type !== "ForInStatement" || parent.left !== node) + ) { + checkForSemicolon(node); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + + "VariableDeclaration": checkForSemicolonForVariableDeclaration, + "ExpressionStatement": checkForSemicolon, + "ReturnStatement": checkForSemicolon, + "DebuggerStatement": checkForSemicolon, + "BreakStatement": checkForSemicolon, + "ContinueStatement": checkForSemicolon, + "EmptyStatement": function (node) { + var nextToken; + + if (!always) { + nextToken = context.getTokenAfter(node) || context.getLastToken(node); + + if (!(OPT_OUT_PATTERN.test(nextToken.value))) { + context.report(node, "Extra semicolon."); + } + } + + + } + }; + +}; + +},{}],133:[function(require,module,exports){ +/** + * @fileoverview Rule to require sorting of variables within a single Variable Declaration block + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + var configuration = context.options[0] || {}, + ignoreCase = configuration.ignoreCase || false; + + return { + "VariableDeclaration": function(node) { + node.declarations.reduce(function(memo, decl) { + var lastVariableName = memo.id.name, + currenVariableName = decl.id.name; + + if (ignoreCase) { + lastVariableName = lastVariableName.toLowerCase(); + currenVariableName = currenVariableName.toLowerCase(); + } + + if (currenVariableName < lastVariableName) { + context.report(decl, "Variables within the same declaration block should be sorted alphabetically"); + return memo; + } else { + return decl; + } + }, node.declarations[0]); + } + }; +}; + +},{}],134:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce the number of spaces after certain keywords + * @author Nick Fisher + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + // unless the first option is `"never"`, then a space is required + var requiresSpace = context.options[0] !== "never", + config = context.options[1] || { checkFunctionKeyword: false }; + + /** + * Check if the separation of two adjacent tokens meets the spacing rules, and report a problem if not. + * + * @param {ASTNode} node The node to which the potential problem belongs. + * @param {Token} left The first token. + * @param {Token} right The second token + * @returns {void} + */ + function checkTokens(node, left, right) { + var hasSpace = left.range[1] < right.range[0], + value = left.value; + + if (hasSpace !== requiresSpace) { + context.report(node, "Keyword \"{{value}}\" must {{not}}be followed by whitespace.", { + value: value, + not: requiresSpace ? "" : "not " + }); + } + } + + /** + * Check if the given node (`if`, `for`, `while`, etc), has the correct spacing after it. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function check(node) { + var tokens = context.getFirstTokens(node, 2); + checkTokens(node, tokens[0], tokens[1]); + } + + return { + "IfStatement": function (node) { + check(node); + // check the `else` + if (node.alternate && node.alternate.type !== "IfStatement") { + checkTokens(node.alternate, context.getTokenBefore(node.alternate), context.getFirstToken(node.alternate)); + } + }, + "ForStatement": check, + "ForOfStatement": check, + "ForInStatement": check, + "WhileStatement": check, + "DoWhileStatement": function (node) { + check(node); + // check the `while` + var whileTokens = context.getTokensBefore(node.test, 2); + checkTokens(node, whileTokens[0], whileTokens[1]); + }, + "SwitchStatement": check, + "TryStatement": function (node) { + check(node); + // check the `finally` + if (node.finalizer) { + checkTokens(node.finalizer, context.getTokenBefore(node.finalizer), context.getFirstToken(node.finalizer)); + } + }, + "CatchStatement": check, + "WithStatement": check, + "FunctionExpression": function (node) { + if (config.checkFunctionKeyword) { + check(node); + } + } + }; +}; + +},{}],135:[function(require,module,exports){ +/** + * @fileoverview A rule to ensure whitespace before blocks. + * @author Mathias Schreck <https://github.com/lo1tuma> + * @copyright 2014 Mathias Schreck. All rights reserved. + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + var requireSpace = context.options[0] !== "never"; + + /** + * Determines whether two adjacent tokens are have whitespace between them. + * @param {Object} left - The left token object. + * @param {Object} right - The right token object. + * @returns {boolean} Whether or not there is space between the tokens. + */ + function isSpaced(left, right) { + return left.range[1] < right.range[0]; + } + + /** + * Determines whether two adjacent tokens are on the same line. + * @param {Object} left - The left token object. + * @param {Object} right - The right token object. + * @returns {boolean} Whether or not the tokens are on the same line. + */ + function isSameLine(left, right) { + return left.loc.start.line === right.loc.start.line; + } + + /** + * Checks the given BlockStatement node has a preceding space if it doesn’t start on a new line. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {void} undefined. + */ + function checkPrecedingSpace(node) { + var precedingToken = context.getTokenBefore(node), + hasSpace; + + if (precedingToken && isSameLine(precedingToken, node)) { + hasSpace = isSpaced(precedingToken, node); + + if (requireSpace) { + if (!hasSpace) { + context.report(node, "Missing space before opening brace."); + } + } else { + if (hasSpace) { + context.report(node, "Unexpected space before opening brace."); + } + } + } + } + + return { + "BlockStatement": checkPrecedingSpace + }; + +}; + +},{}],136:[function(require,module,exports){ +/** + * @fileoverview Disallows or enforces spaces inside of brackets. + * @author Ian Christian Myers + * @copyright 2014 Brandyn Bennett. All rights reserved. + * @copyright 2014 Michael Ficarra. No rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var options = { + spaced: context.options[0] === "always", + singleElementException: context.options[1] != null && !!context.options[1].singleValue, + objectsInArraysException: context.options[1] != null && !!context.options[1].objectsInArrays, + arraysInArraysException: context.options[1] != null && !!context.options[1].arraysInArrays, + propertyName: context.options[1] == null || context.options[1].propertyName == null || !!context.options[1].propertyName + }; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines whether two adjacent tokens are have whitespace between them. + * @param {Object} left - The left token object. + * @param {Object} right - The right token object. + * @returns {boolean} Whether or not there is space between the tokens. + */ + function isSpaced(left, right) { + return left.range[1] < right.range[0]; + } + + /** + * Determines whether two adjacent tokens are on the same line. + * @param {Object} left - The left token object. + * @param {Object} right - The right token object. + * @returns {boolean} Whether or not the tokens are on the same line. + */ + function isSameLine(left, right) { + return left.loc.start.line === right.loc.start.line; + } + + /** + * Reports that there shouldn't be a space after the first token + * @param {ASTNode} node - The node to report in the event of an error. + * @param {Object[]} tokens - The tokens to be checked for spacing. + * @returns {void} + */ + function reportNoBeginningSpace(node, tokens) { + context.report(node, tokens[0].loc.start, + "There should be no space after '" + tokens[0].value + "'"); + } + + /** + * Reports that there shouldn't be a space before the last token + * @param {ASTNode} node - The node to report in the event of an error. + * @param {Object[]} tokens - The tokens to be checked for spacing. + * @returns {void} + */ + function reportNoEndingSpace(node, tokens) { + context.report(node, tokens[tokens.length - 1].loc.start, + "There should be no space before '" + tokens[tokens.length - 1].value + "'"); + } + + /** + * Reports that there should be a space after the first token + * @param {ASTNode} node - The node to report in the event of an error. + * @param {Object[]} tokens - The tokens to be checked for spacing. + * @returns {void} + */ + function reportRequiredBeginningSpace(node, tokens) { + context.report(node, tokens[0].loc.start, + "A space is required after '" + tokens[0].value + "'"); + } + + /** + * Reports that there should be a space before the last token + * @param {ASTNode} node - The node to report in the event of an error. + * @param {Object[]} tokens - The tokens to be checked for spacing. + * @returns {void} + */ + function reportRequiredEndingSpace(node, tokens) { + context.report(node, tokens[tokens.length - 1].loc.start, + "A space is required before '" + tokens[tokens.length - 1].value + "'"); + } + + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + MemberExpression: options.propertyName ? function checkMember(node) { + if (node.computed) { + var tokens = context.getTokens(node.property, 1, 1); + var tokenA = tokens[0], tokenB = tokens[1], + tokenC = tokens[tokens.length - 2], tokenD = tokens[tokens.length - 1]; + if (isSameLine(tokenA, tokenB) || isSameLine(tokenC, tokenD)) { + if (options.spaced) { + if (!isSpaced(tokenA, tokenB) && isSameLine(tokenA, tokenB)) { + reportRequiredBeginningSpace(node, tokens); + } + if (!isSpaced(tokenC, tokenD) && isSameLine(tokenC, tokenD)) { + reportRequiredEndingSpace(node, tokens); + } + } else { + if (isSpaced(tokenA, tokenB)) { + reportNoBeginningSpace(node, tokens); + } + if (isSpaced(tokenC, tokenD)) { + reportNoEndingSpace(node, tokens); + } + } + } + } + } : function() {}, + + ArrayExpression: function(node) { + if (node.elements.length === 0) { + return; + } + var tokens = context.getTokens(node); + var tokenA = tokens[0], tokenB = tokens[1], + tokenC = tokens[tokens.length - 2], tokenD = tokens[tokens.length - 1]; + + var openingBracketMustBeSpaced = + options.objectsInArraysException && tokenB.value === "{" || + options.arraysInArraysException && tokenB.value === "[" || + options.singleElementException && node.elements.length === 1 + ? !options.spaced : options.spaced; + + var closingBracketMustBeSpaced = + options.objectsInArraysException && tokenC.value === "}" || + options.arraysInArraysException && tokenC.value === "]" || + options.singleElementException && node.elements.length === 1 + ? !options.spaced : options.spaced; + + if (isSameLine(tokenA, tokenB) || isSameLine(tokenC, tokenD)) { + if (openingBracketMustBeSpaced && !isSpaced(tokenA, tokenB)) { + reportRequiredBeginningSpace(node, tokens); + } else if (!openingBracketMustBeSpaced && isSpaced(tokenA, tokenB)) { + reportNoBeginningSpace(node, tokens); + } + if (closingBracketMustBeSpaced && !isSpaced(tokenC, tokenD)) { + reportRequiredEndingSpace(node, tokens); + } else if (!closingBracketMustBeSpaced && isSpaced(tokenC, tokenD)) { + reportNoEndingSpace(node, tokens); + } + } + }, + + ObjectExpression: function(node) { + if (node.properties.length === 0) { + return; + } + var tokens = context.getTokens(node); + var tokenA = tokens[0], tokenB = tokens[1], + tokenC = tokens[tokens.length - 2], tokenD = tokens[tokens.length - 1]; + if (isSameLine(tokenA, tokenB) || isSameLine(tokenC, tokenD)) { + if (options.spaced) { + if (!isSpaced(tokenA, tokenB)) { + reportRequiredBeginningSpace(node, tokens); + } + if (!isSpaced(tokenC, tokenD)) { + reportRequiredEndingSpace(node, tokens); + } + } else { + if (isSpaced(tokenA, tokenB)) { + reportNoBeginningSpace(node, tokens); + } + if (isSpaced(tokenC, tokenD)) { + reportNoEndingSpace(node, tokens); + } + } + } + } + + }; + +}; + +},{}],137:[function(require,module,exports){ +/** + * @fileoverview Disallows or enforces spaces inside of parentheses. + * @author Jonathan Rajavuori + * @copyright 2014 Jonathan Rajavuori. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var RE, MESSAGE; + + if (context.options[0] === "always") { + RE = /\([^ \)]|[^ \(]\)/mg; + MESSAGE = "There must be a space inside this paren."; + } else { + RE = /\( | \)/mg; + MESSAGE = "There should be no spaces inside this paren."; + } + + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + var skipRanges = []; + + /** + * Adds the range of a node to the set to be skipped when checking parens + * @param {ASTNode} node The node to skip + * @returns {void} + * @private + */ + function addSkipRange(node) { + skipRanges.push(node.range); + } + + /** + * Sorts the skipRanges array. Must be called before shouldSkip + * @returns {void} + * @private + */ + function sortSkipRanges() { + skipRanges.sort(function (a, b) { + return a[0] - b[0]; + }); + } + + /** + * Checks if a certain position in the source should be skipped + * @param {Number} pos The 0-based index in the source + * @returns {boolean} whether the position should be skipped + * @private + */ + function shouldSkip(pos) { + var i, len, range; + for (i = 0, len = skipRanges.length; i < len; i += 1) { + range = skipRanges[i]; + if (pos < range[0]) { + break; + } else if (pos < range[1]) { + return true; + } + } + return false; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "Program:exit": function checkParenSpaces(node) { + + var match, + nextLine, + column, + line = 1, + source = context.getSource(), + pos = 0; + + sortSkipRanges(); + + while ((match = RE.exec(source)) !== null) { + if (source.charAt(match.index) !== "(") { + // Matched a closing paren pattern + match.index += 1; + } + + if (!shouldSkip(match.index)) { + while ((nextLine = source.indexOf("\n", pos)) !== -1 && nextLine < match.index) { + pos = nextLine + 1; + line += 1; + } + column = match.index - pos; + + context.report(node, { line: line, column: column }, MESSAGE); + } + } + + }, + + + // These nodes can contain parentheses that this rule doesn't care about + + LineComment: addSkipRange, + + BlockComment: addSkipRange, + + Literal: addSkipRange + + }; + +}; + +},{}],138:[function(require,module,exports){ +/** + * @fileoverview Require spaces around infix operators + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var OPERATORS = [ + "*", "/", "%", "+", "-", "<<", ">>", ">>>", "<", "<=", ">", ">=", "in", + "instanceof", "==", "!=", "===", "!==", "&", "^", "|", "&&", "||", "=", + "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=", "&=", "^=", "|=", + "?", ":", "," + ]; + + function isSpaced(left, right) { + var op, tokens = context.getTokens({range: [left.range[1], right.range[0]]}, 1, 1); + for (var i = 1, l = tokens.length - 1; i < l; ++i) { + op = tokens[i]; + if ( + op.type === "Punctuator" && + OPERATORS.indexOf(op.value) >= 0 && + (tokens[i - 1].range[1] >= op.range[0] || op.range[1] >= tokens[i + 1].range[0]) + ) { + return false; + } + } + return true; + } + + function isRightSpaced(left, right) { + var op, tokens = context.getTokens({range: [left.range[1], right.range[0]]}, 1, 1); + for (var i = 1, l = tokens.length - 1; i < l; ++i) { + op = tokens[i]; + if ( + op.type === "Punctuator" && + OPERATORS.indexOf(op.value) >= 0 && + op.range[1] >= tokens[i + 1].range[0] + ) { + return false; + } + } + return true; + } + + function report(node) { + context.report(node, "Infix operators must be spaced."); + } + + function checkBinary(node) { + if (!isSpaced(node.left, node.right)) { + report(node); + } + } + + function checkSequence(node) { + for (var i = 0, l = node.expressions.length - 1; i < l; ++i) { + if (!isRightSpaced(node.expressions[i], node.expressions[i + 1])) { + report(node); + break; + } + } + } + + function checkConditional(node) { + if (!isSpaced(node.test, node.consequent) || !isSpaced(node.consequent, node.alternate)) { + report(node); + } + } + + function checkVar(node) { + if (node.init && !isSpaced(node.id, node.init)) { + report(node); + } + } + + return { + "AssignmentExpression": checkBinary, + "BinaryExpression": checkBinary, + "LogicalExpression": checkBinary, + "ConditionalExpression": checkConditional, + "SequenceExpression": checkSequence, + "VariableDeclarator": checkVar + }; + +}; + +},{}],139:[function(require,module,exports){ +/** + * @fileoverview Require spaces following return, throw, and case + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function check(node) { + var tokens = context.getFirstTokens(node, 2), + value = tokens[0].value; + + if (tokens[0].range[1] >= tokens[1].range[0]) { + context.report(node, "Keyword \"" + value + "\" must be followed by whitespace."); + } + } + + return { + "ReturnStatement": function(node) { + if (node.argument) { + check(node); + } + }, + "SwitchCase": function(node) { + if (node.test) { + check(node); + } + }, + "ThrowStatement": check + }; + +}; + +},{}],140:[function(require,module,exports){ +/** + * @fileoverview Require spaces following unary word operators + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + function check(node) { + var tokens; + tokens = context.getFirstTokens(node, 2); + if (tokens[0].range[1] >= tokens[1].range[0]) { + switch (tokens[0].value) { + case "delete": + case "new": + case "typeof": + case "void": + context.report(node, "Unary word operator \"" + tokens[0].value + "\" must be followed by whitespace."); + break; + // no default + } + } + } + + return { + "NewExpression": check, + "UnaryExpression": check + }; + +}; + +},{}],141:[function(require,module,exports){ +/** + * @fileoverview Enforces or disallows a space beginning a single-line comment. + * @author Greg Cochard + * @copyright 2014 Greg Cochard. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + // Unless the first option is never, require a space + var requireSpace = context.options[0] !== "never"; + + // Default to match anything, so all will fail if there are no exceptions + var exceptionMatcher = new RegExp(" "); + + // Grab the exceptions array and build a RegExp matcher for it + var hasExceptions = context.options.length === 2; + var unescapedExceptions = hasExceptions ? context.options[1].exceptions : []; + var exceptions; + + if (unescapedExceptions.length) { + exceptions = unescapedExceptions.map(function(s) { + return s.replace(/([.*+?${}()|\^\[\]\/\\])/g, "\\$1"); + }); + exceptionMatcher = new RegExp("(^(" + exceptions.join(")+$)|(^(") + ")+$)"); + } + + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "LineComment": function checkCommentForSpace(node) { + + if (node.loc.start.line === 1 && /^#!/.test(context.getSourceLines()[0])) { + + /* + * HACK: return if we are on the first line and + * encounter a shebang at the beginning. + * It seems the parser will return this as a + * comment and filter out the # so we must fetch + * the actual source line. Is this being caused + * by esprima or eslint? Something else? + */ + return; + } + + if (requireSpace) { + + // Space expected and not found + if (node.value.indexOf(" ") !== 0) { + + /* + * Do two tests; one for space starting the line, + * and one for a comment comprised only of exceptions + */ + if (hasExceptions && !exceptionMatcher.test(node.value)) { + context.report(node, "Expected exception block or space after // in comment."); + } else if (!hasExceptions) { + context.report(node, "Expected space after // in comment."); + } + } + + } else { + + if (node.value.indexOf(" ") === 0) { + context.report(node, "Unexpected space after // in comment."); + } + } + } + + }; +}; + +},{}],142:[function(require,module,exports){ +/** + * @fileoverview Rule to ensure code is running in strict mode. + * @author Nicholas C. Zakas + * @copyright 2013-2014 Nicholas C. Zakas. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var scopes = []; + + /** + * Determines if a given node is "use strict". + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node is a strict pragma, false if not. + * @void + */ + function isStrictPragma(node) { + return (node && node.type === "ExpressionStatement" && + node.expression.value === "use strict"); + } + + /** + * When you enter a scope, push the strict value from the previous scope + * onto the stack. + * @param {ASTNode} node The AST node being checked. + * @returns {void} + * @private + */ + function enterScope(node) { + + var isStrict = false, + isProgram = (node.type === "Program"), + isParentGlobal = scopes.length === 1, + isParentStrict = scopes.length ? scopes[scopes.length - 1] : false; + + // look for the "use strict" pragma + if (isProgram) { + isStrict = isStrictPragma(node.body[0]) || isParentStrict; + } else { + isStrict = isStrictPragma(node.body.body[0]) || isParentStrict; + } + + scopes.push(isStrict); + + // never warn if the parent is strict or the function is strict + if (!isParentStrict && !isStrict && isParentGlobal) { + context.report(node, "Missing \"use strict\" statement."); + } + } + + /** + * When you exit a scope, pop off the top scope and see if it's true or + * false. + * @returns {void} + * @private + */ + function exitScope() { + scopes.pop(); + } + + return { + + "Program": enterScope, + "FunctionDeclaration": enterScope, + "FunctionExpression": enterScope, + + "Program:exit": exitScope, + "FunctionDeclaration:exit": exitScope, + "FunctionExpression:exit": exitScope + }; + +}; + +},{}],143:[function(require,module,exports){ +/** + * @fileoverview Rule to flag comparisons to the value NaN + * @author James Allardice + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + "BinaryExpression": function(node) { + + if (!/^[|&^]$/.test(node.operator) && node.left.name === "NaN" || node.right.name === "NaN") { + context.report(node, "Use the isNaN function to compare with NaN."); + } + } + }; + +}; + +},{}],144:[function(require,module,exports){ +/** + * @fileoverview Validates JSDoc comments are syntactically correct + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +var doctrine = require("doctrine"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var options = context.options[0] || {}, + prefer = options.prefer || {}, + + // these both default to true, so you have to explicitly make them false + requireReturn = options.requireReturn === false ? false : true, + requireParamDescription = options.requireParamDescription === false ? false : true; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // Using a stack to store if a function returns or not (handling nested functions) + var fns = []; + + /** + * When parsing a new function, store it in our function stack. + * @returns {void} + * @private + */ + function startFunction() { + fns.push({returnPresent: false}); + } + + /** + * Indicate that return has been found in the current function. + * @param {ASTNode} node The return node. + * @returns {void} + * @private + */ + function addReturn(node) { + var functionState = fns[fns.length - 1]; + + if (functionState && node.argument !== null) { + functionState.returnPresent = true; + } + } + + /** + * Validate the JSDoc node and output warnings if anything is wrong. + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function checkJSDoc(node) { + var jsdocNode = context.getJSDocComment(node), + functionData = fns.pop(), + hasReturns = false, + hasConstructor = false, + params = Object.create(null), + jsdoc; + + // make sure only to validate JSDoc comments + if (jsdocNode) { + + try { + jsdoc = doctrine.parse(jsdocNode.value, { + strict: true, + unwrap: true, + sloppy: true + }); + } catch (ex) { + + if (/braces/i.test(ex.message)) { + context.report(jsdocNode, "JSDoc type missing brace."); + } else { + context.report(jsdocNode, "JSDoc syntax error."); + } + + return; + } + + jsdoc.tags.forEach(function(tag) { + + switch (tag.title) { + + case "param": + if (!tag.type) { + context.report(jsdocNode, "Missing JSDoc parameter type for '{{name}}'.", { name: tag.name }); + } + + if (!tag.description && requireParamDescription) { + context.report(jsdocNode, "Missing JSDoc parameter description for '{{name}}'.", { name: tag.name }); + } + + if (params[tag.name]) { + context.report(jsdocNode, "Duplicate JSDoc parameter '{{name}}'.", { name: tag.name }); + } else if (tag.name.indexOf(".") === - 1) { + params[tag.name] = 1; + } + break; + + case "return": + case "returns": + hasReturns = true; + + if (!requireReturn && !functionData.returnPresent && tag.type.name !== "void" && tag.type.name !== "undefined") { + context.report(jsdocNode, "Unexpected @" + tag.title + " tag; function has no return statement."); + } else { + if (!tag.type) { + context.report(jsdocNode, "Missing JSDoc return type."); + } + + if (tag.type.name !== "void" && !tag.description) { + context.report(jsdocNode, "Missing JSDoc return description."); + } + } + + break; + + case "constructor": + hasConstructor = true; + break; + + // no default + } + + // check tag preferences + if (prefer.hasOwnProperty(tag.title)) { + context.report(jsdocNode, "Use @{{name}} instead.", { name: prefer[tag.title] }); + } + + }); + + // check for functions missing @returns + if (!hasReturns && !hasConstructor) { + if (requireReturn || functionData.returnPresent) { + context.report(jsdocNode, "Missing JSDoc @returns for function."); + } + } + + // check the parameters + var jsdocParams = Object.keys(params); + + node.params.forEach(function(param, i) { + var name = param.name; + + if (jsdocParams[i] && (name !== jsdocParams[i])) { + context.report(jsdocNode, "Expected JSDoc for '{{name}}' but found '{{jsdocName}}'.", { + name: name, + jsdocName: jsdocParams[i] + }); + } else if (!params[name]) { + context.report(jsdocNode, "Missing JSDoc for parameter '{{name}}'.", { + name: name + }); + } + }); + + } + + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "FunctionExpression": startFunction, + "FunctionDeclaration": startFunction, + "FunctionExpression:exit": checkJSDoc, + "FunctionDeclaration:exit": checkJSDoc, + "ReturnStatement": addReturn + }; + +}; + +},{"doctrine":4}],145:[function(require,module,exports){ +/** + * @fileoverview Ensures that the results of typeof are compared against a valid string + * @author Ian Christian Myers + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var VALID_TYPES = ["symbol", "undefined", "object", "boolean", "number", "string", "function"], + OPERATORS = ["==", "===", "!=", "!=="]; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "UnaryExpression": function (node) { + var parent, sibling; + + if (node.operator === "typeof") { + parent = context.getAncestors().pop(); + + if (parent.type === "BinaryExpression" && OPERATORS.indexOf(parent.operator) !== -1) { + sibling = parent.left === node ? parent.right : parent.left; + + if (sibling.type === "Literal" && VALID_TYPES.indexOf(sibling.value) === -1) { + context.report(sibling, "Invalid typeof comparison value"); + } + } + } + } + + }; + +}; + +},{}],146:[function(require,module,exports){ +/** + * @fileoverview Rule to enforce var declarations are only at the top of a function. + * @author Danny Fritz + * @author Gyandeep Singh + * @copyright 2014 Danny Fritz. All rights reserved. + * @copyright 2014 Gyandeep Singh. All rights reserved. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + var errorMessage = "All \"var\" declarations must be at the top of the function scope."; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * @param {ASTNode} node - any node + * @returns {Boolean} whether the given node structurally represents a directive + */ + function looksLikeDirective(node) { + return node.type === "ExpressionStatement" && + node.expression.type === "Literal" && typeof node.expression.value === "string"; + } + + /** + * Checks whether this variable is on top of the block body + * @param {ASTNode} node - The node to check + * @param {ASTNode[]} statements - collection of ASTNodes for the parent node block + * @returns {Boolean} True if var is on top otherwise false + */ + function isVarOnTop (node, statements) { + var i = 0, l = statements.length; + + // skip over directives + for (; i < l; ++i) { + if (!looksLikeDirective(statements[i])) { + break; + } + } + + for (; i < l; ++i) { + if (statements[i].type !== "VariableDeclaration") { + return false; + } + if (statements[i] === node) { + return true; + } + } + } + + /** + * Checks whether variable is on top at the global level + * @param {ASTNode} node - The node to check + * @param {ASTNode} parent - Parent of the node + * @returns {void} + */ + function globalVarCheck (node, parent) { + if (!isVarOnTop(node, parent.body)) { + context.report(node, errorMessage); + } + } + + /** + * Checks whether variable is on top at functional block scope level + * @param {ASTNode} node - The node to check + * @param {ASTNode} parent - Parent of the node + * @param {ASTNode} grandParent - Parent of the node's parent + * @returns {void} + */ + function blockScopeVarCheck (node, parent, grandParent) { + if (!((grandParent.type === "FunctionDeclaration" + || grandParent.type === "FunctionExpression") + && parent.type === "BlockStatement" + && isVarOnTop(node, parent.body))) { + context.report(node, errorMessage); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "VariableDeclaration": function (node) { + var ancestors = context.getAncestors(); + var parent = ancestors.pop(); + var grandParent = ancestors.pop(); + + if (node.kind === "var") {// check variable is `var` type and not `let` or `const` + if (parent.type === "Program") {// That means its a global variable + globalVarCheck(node, parent); + } else { + blockScopeVarCheck(node, parent, grandParent); + } + } + } + }; + +}; + +},{}],147:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when IIFE is not wrapped in parens + * @author Ilya Volodin + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + var style = context.options[0] || "outside"; + + function wrapped(node) { + var previousToken = context.getTokenBefore(node), + nextToken = context.getTokenAfter(node); + return previousToken && previousToken.value === "(" && + nextToken && nextToken.value === ")"; + } + + return { + + "CallExpression": function(node) { + if (node.callee.type === "FunctionExpression") { + var callExpressionWrapped = wrapped(node), + functionExpressionWrapped = wrapped(node.callee); + + if (!callExpressionWrapped && !functionExpressionWrapped) { + context.report(node, "Wrap an immediate function invocation in parentheses."); + } else if (style === "inside" && !functionExpressionWrapped) { + context.report(node, "Wrap only the function expression in parens."); + } else if (style === "outside" && !callExpressionWrapped) { + context.report(node, "Move the invocation into the parens that contain the function."); + } + } + } + }; + +}; + +},{}],148:[function(require,module,exports){ +/** + * @fileoverview Rule to flag when regex literals are not wrapped in parens + * @author Matt DuVall <http://www.mattduvall.com> + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + "use strict"; + + return { + + "Literal": function(node) { + var token = context.getFirstToken(node), + nodeType = token.type, + source, + grandparent, + ancestors; + + if (nodeType === "RegularExpression") { + source = context.getTokenBefore(node); + ancestors = context.getAncestors(); + grandparent = ancestors[ancestors.length - 1]; + + if (grandparent.type === "MemberExpression" && grandparent.object === node && + (!source || source.value !== "(")) { + context.report(node, "Wrap the regexp literal in parens to disambiguate the slash."); + } + } + } + }; + +}; + +},{}],149:[function(require,module,exports){ +/** + * @fileoverview Rule to require or disallow yoda comparisons + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function (context) { + + // Default to "never" (!always) if no option + + var always = (context.options[0] === "always"); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines whether an operator is a comparison operator. + * @param {String} operator The operator to check. + * @returns {Boolean} Whether or not it is a comparison operator. + */ + function isComparisonOperator(operator) { + return (/^(==|===|!=|!==|<|>|<=|>=)$/).test(operator); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + + "BinaryExpression": function (node) { + + if (always) { + + // Comparisons must always be yoda-style: if ("blue" === color) + + if (node.right.type === "Literal" && isComparisonOperator(node.operator)) { + context.report(node, "Expected literal to be on the left side of " + node.operator + "."); + } + + } else { + + // Comparisons must never be yoda-style (default) + + if (node.left.type === "Literal" && isComparisonOperator(node.operator)) { + context.report(node, "Expected literal to be on the right side of " + node.operator + "."); + } + + } + + } + + }; + +}; + +},{}],150:[function(require,module,exports){ +/** + * @fileoverview Common utilities. + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ +/** + * Merges two objects together and assigns the result to the initial object. Can be used for shallow cloning. + * @param {Object} target of the cloning operation + * @param {Object} source object + * @returns {void} + */ +exports.mixin = function(target, source) { + Object.keys(source).forEach(function(key) { + target[key] = source[key]; + }); +}; + +/** + * Merges two config objects. This will not only add missing keys, but will also modify values to match. + * @param {Object} base config object + * @param {Object} custom config object. Overrides in this config object will take priority over base. + * @returns {Object} merged config object. + */ +exports.mergeConfigs = function mergeConfigs(base, custom) { + + Object.keys(custom).forEach(function (key) { + var property = custom[key]; + + if (key === "plugins") { + if (!base[key]) { + base[key] = []; + } + + property.forEach(function (plugin) { + // skip duplicates + if (base[key].indexOf(plugin) === -1) { + base[key].push(plugin); + } + }); + return; + } + + if (Array.isArray(base[key]) && !Array.isArray(property) && typeof property === "number") { + // assume that we are just overriding first attribute + base[key][0] = custom[key]; + return; + } + + if (typeof property === "object" && !Array.isArray(property)) { + // base[key] might not exist, so be careful with recursion here + base[key] = mergeConfigs(base[key] || {}, custom[key]); + } else { + base[key] = custom[key]; + } + }); + + return base; +}; + +},{}]},{},[9])(9) +});
\ No newline at end of file diff --git a/Source/WebInspectorUI/UserInterface/External/Esprima/LICENSE b/Source/WebInspectorUI/UserInterface/External/Esprima/LICENSE new file mode 100644 index 000000000..7a55160f5 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/Esprima/LICENSE @@ -0,0 +1,21 @@ +Copyright JS Foundation and other contributors, https://js.foundation/ + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/Source/WebInspectorUI/UserInterface/External/Esprima/esprima.js b/Source/WebInspectorUI/UserInterface/External/Esprima/esprima.js new file mode 100644 index 000000000..67e39265e --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/External/Esprima/esprima.js @@ -0,0 +1,6768 @@ +(function webpackUniversalModuleDefinition(root, factory) { +/* istanbul ignore next */ + if(typeof exports === 'object' && typeof module === 'object') + module.exports = factory(); + else if(typeof define === 'function' && define.amd) + define([], factory); +/* istanbul ignore next */ + else if(typeof exports === 'object') + exports["esprima"] = factory(); + else + root["esprima"] = factory(); +})(this, function() { +return /******/ (function(modules) { // webpackBootstrap +/******/ // The module cache +/******/ var installedModules = {}; + +/******/ // The require function +/******/ function __webpack_require__(moduleId) { + +/******/ // Check if module is in cache +/* istanbul ignore if */ +/******/ if(installedModules[moduleId]) +/******/ return installedModules[moduleId].exports; + +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ exports: {}, +/******/ id: moduleId, +/******/ loaded: false +/******/ }; + +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); + +/******/ // Flag the module as loaded +/******/ module.loaded = true; + +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } + + +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; + +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; + +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = ""; + +/******/ // Load entry module and return exports +/******/ return __webpack_require__(0); +/******/ }) +/************************************************************************/ +/******/ ([ +/* 0 */ +/***/ function(module, exports, __webpack_require__) { + + /* + Copyright JS Foundation and other contributors, https://js.foundation/ + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + "use strict"; + var comment_handler_1 = __webpack_require__(1); + var jsx_parser_1 = __webpack_require__(3); + var parser_1 = __webpack_require__(8); + var tokenizer_1 = __webpack_require__(15); + function parse(code, options, delegate) { + var commentHandler = null; + var proxyDelegate = function (node, metadata) { + if (delegate) { + delegate(node, metadata); + } + if (commentHandler) { + commentHandler.visit(node, metadata); + } + }; + var parserDelegate = (typeof delegate === 'function') ? proxyDelegate : null; + var collectComment = false; + if (options) { + collectComment = (typeof options.comment === 'boolean' && options.comment); + var attachComment = (typeof options.attachComment === 'boolean' && options.attachComment); + if (collectComment || attachComment) { + commentHandler = new comment_handler_1.CommentHandler(); + commentHandler.attach = attachComment; + options.comment = true; + parserDelegate = proxyDelegate; + } + } + var isModule = false; + if (options && typeof options.sourceType === 'string') { + isModule = (options.sourceType === 'module'); + } + var parser; + if (options && typeof options.jsx === 'boolean' && options.jsx) { + parser = new jsx_parser_1.JSXParser(code, options, parserDelegate); + } + else { + parser = new parser_1.Parser(code, options, parserDelegate); + } + var program = isModule ? parser.parseModule() : parser.parseScript(); + var ast = program; + if (collectComment && commentHandler) { + ast.comments = commentHandler.comments; + } + if (parser.config.tokens) { + ast.tokens = parser.tokens; + } + if (parser.config.tolerant) { + ast.errors = parser.errorHandler.errors; + } + return ast; + } + exports.parse = parse; + function parseModule(code, options, delegate) { + var parsingOptions = options || {}; + parsingOptions.sourceType = 'module'; + return parse(code, parsingOptions, delegate); + } + exports.parseModule = parseModule; + function parseScript(code, options, delegate) { + var parsingOptions = options || {}; + parsingOptions.sourceType = 'script'; + return parse(code, parsingOptions, delegate); + } + exports.parseScript = parseScript; + function tokenize(code, options, delegate) { + var tokenizer = new tokenizer_1.Tokenizer(code, options); + var tokens; + tokens = []; + try { + while (true) { + var token = tokenizer.getNextToken(); + if (!token) { + break; + } + if (delegate) { + token = delegate(token); + } + tokens.push(token); + } + } + catch (e) { + tokenizer.errorHandler.tolerate(e); + } + if (tokenizer.errorHandler.tolerant) { + tokens.errors = tokenizer.errors(); + } + return tokens; + } + exports.tokenize = tokenize; + var syntax_1 = __webpack_require__(2); + exports.Syntax = syntax_1.Syntax; + // Sync with *.json manifests. + exports.version = '4.0.0-dev'; + + +/***/ }, +/* 1 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var syntax_1 = __webpack_require__(2); + var CommentHandler = (function () { + function CommentHandler() { + this.attach = false; + this.comments = []; + this.stack = []; + this.leading = []; + this.trailing = []; + } + CommentHandler.prototype.insertInnerComments = function (node, metadata) { + // innnerComments for properties empty block + // `function a() {/** comments **\/}` + if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) { + var innerComments = []; + for (var i = this.leading.length - 1; i >= 0; --i) { + var entry = this.leading[i]; + if (metadata.end.offset >= entry.start) { + innerComments.unshift(entry.comment); + this.leading.splice(i, 1); + this.trailing.splice(i, 1); + } + } + if (innerComments.length) { + node.innerComments = innerComments; + } + } + }; + CommentHandler.prototype.findTrailingComments = function (metadata) { + var trailingComments = []; + if (this.trailing.length > 0) { + for (var i = this.trailing.length - 1; i >= 0; --i) { + var entry_1 = this.trailing[i]; + if (entry_1.start >= metadata.end.offset) { + trailingComments.unshift(entry_1.comment); + } + } + this.trailing.length = 0; + return trailingComments; + } + var entry = this.stack[this.stack.length - 1]; + if (entry && entry.node.trailingComments) { + var firstComment = entry.node.trailingComments[0]; + if (firstComment && firstComment.range[0] >= metadata.end.offset) { + trailingComments = entry.node.trailingComments; + delete entry.node.trailingComments; + } + } + return trailingComments; + }; + CommentHandler.prototype.findLeadingComments = function (metadata) { + var leadingComments = []; + var target; + while (this.stack.length > 0) { + var entry = this.stack[this.stack.length - 1]; + if (entry && entry.start >= metadata.start.offset) { + target = entry.node; + this.stack.pop(); + } + else { + break; + } + } + if (target) { + var count = target.leadingComments ? target.leadingComments.length : 0; + for (var i = count - 1; i >= 0; --i) { + var comment = target.leadingComments[i]; + if (comment.range[1] <= metadata.start.offset) { + leadingComments.unshift(comment); + target.leadingComments.splice(i, 1); + } + } + if (target.leadingComments && target.leadingComments.length === 0) { + delete target.leadingComments; + } + return leadingComments; + } + for (var i = this.leading.length - 1; i >= 0; --i) { + var entry = this.leading[i]; + if (entry.start <= metadata.start.offset) { + leadingComments.unshift(entry.comment); + this.leading.splice(i, 1); + } + } + return leadingComments; + }; + CommentHandler.prototype.visitNode = function (node, metadata) { + if (node.type === syntax_1.Syntax.Program && node.body.length > 0) { + return; + } + this.insertInnerComments(node, metadata); + var trailingComments = this.findTrailingComments(metadata); + var leadingComments = this.findLeadingComments(metadata); + if (leadingComments.length > 0) { + node.leadingComments = leadingComments; + } + if (trailingComments.length > 0) { + node.trailingComments = trailingComments; + } + this.stack.push({ + node: node, + start: metadata.start.offset + }); + }; + CommentHandler.prototype.visitComment = function (node, metadata) { + var type = (node.type[0] === 'L') ? 'Line' : 'Block'; + var comment = { + type: type, + value: node.value + }; + if (node.range) { + comment.range = node.range; + } + if (node.loc) { + comment.loc = node.loc; + } + this.comments.push(comment); + if (this.attach) { + var entry = { + comment: { + type: type, + value: node.value, + range: [metadata.start.offset, metadata.end.offset] + }, + start: metadata.start.offset + }; + if (node.loc) { + entry.comment.loc = node.loc; + } + node.type = type; + this.leading.push(entry); + this.trailing.push(entry); + } + }; + CommentHandler.prototype.visit = function (node, metadata) { + if (node.type === 'LineComment') { + this.visitComment(node, metadata); + } + else if (node.type === 'BlockComment') { + this.visitComment(node, metadata); + } + else if (this.attach) { + this.visitNode(node, metadata); + } + }; + return CommentHandler; + }()); + exports.CommentHandler = CommentHandler; + + +/***/ }, +/* 2 */ +/***/ function(module, exports) { + + "use strict"; + exports.Syntax = { + AssignmentExpression: 'AssignmentExpression', + AssignmentPattern: 'AssignmentPattern', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrowFunctionExpression: 'ArrowFunctionExpression', + AwaitExpression: 'AwaitExpression', + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DoWhileStatement: 'DoWhileStatement', + DebuggerStatement: 'DebuggerStatement', + EmptyStatement: 'EmptyStatement', + ExportAllDeclaration: 'ExportAllDeclaration', + ExportDefaultDeclaration: 'ExportDefaultDeclaration', + ExportNamedDeclaration: 'ExportNamedDeclaration', + ExportSpecifier: 'ExportSpecifier', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForOfStatement: 'ForOfStatement', + ForInStatement: 'ForInStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + Identifier: 'Identifier', + IfStatement: 'IfStatement', + Import: 'Import', + ImportDeclaration: 'ImportDeclaration', + ImportDefaultSpecifier: 'ImportDefaultSpecifier', + ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', + ImportSpecifier: 'ImportSpecifier', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MetaProperty: 'MetaProperty', + MethodDefinition: 'MethodDefinition', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + Program: 'Program', + Property: 'Property', + RestElement: 'RestElement', + RestProperty: 'RestProperty', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SpreadElement: 'SpreadElement', + SpreadProperty: 'SpreadProperty', + Super: 'Super', + SwitchCase: 'SwitchCase', + SwitchStatement: 'SwitchStatement', + TaggedTemplateExpression: 'TaggedTemplateExpression', + TemplateElement: 'TemplateElement', + TemplateLiteral: 'TemplateLiteral', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + YieldExpression: 'YieldExpression' + }; + + +/***/ }, +/* 3 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; +/* istanbul ignore next */ + var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); + }; + var character_1 = __webpack_require__(4); + var JSXNode = __webpack_require__(5); + var jsx_syntax_1 = __webpack_require__(6); + var Node = __webpack_require__(7); + var parser_1 = __webpack_require__(8); + var token_1 = __webpack_require__(13); + var xhtml_entities_1 = __webpack_require__(14); + token_1.TokenName[100 /* Identifier */] = 'JSXIdentifier'; + token_1.TokenName[101 /* Text */] = 'JSXText'; + // Fully qualified element name, e.g. <svg:path> returns "svg:path" + function getQualifiedElementName(elementName) { + var qualifiedName; + switch (elementName.type) { + case jsx_syntax_1.JSXSyntax.JSXIdentifier: + var id = elementName; + qualifiedName = id.name; + break; + case jsx_syntax_1.JSXSyntax.JSXNamespacedName: + var ns = elementName; + qualifiedName = getQualifiedElementName(ns.namespace) + ':' + + getQualifiedElementName(ns.name); + break; + case jsx_syntax_1.JSXSyntax.JSXMemberExpression: + var expr = elementName; + qualifiedName = getQualifiedElementName(expr.object) + '.' + + getQualifiedElementName(expr.property); + break; + /* istanbul ignore next */ + default: + break; + } + return qualifiedName; + } + var JSXParser = (function (_super) { + __extends(JSXParser, _super); + function JSXParser(code, options, delegate) { + return _super.call(this, code, options, delegate) || this; + } + JSXParser.prototype.parsePrimaryExpression = function () { + return this.match('<') ? this.parseJSXRoot() : _super.prototype.parsePrimaryExpression.call(this); + }; + JSXParser.prototype.startJSX = function () { + // Unwind the scanner before the lookahead token. + this.scanner.index = this.startMarker.index; + this.scanner.lineNumber = this.startMarker.line; + this.scanner.lineStart = this.startMarker.index - this.startMarker.column; + }; + JSXParser.prototype.finishJSX = function () { + // Prime the next lookahead. + this.nextToken(); + }; + JSXParser.prototype.reenterJSX = function () { + this.startJSX(); + this.expectJSX('}'); + // Pop the closing '}' added from the lookahead. + if (this.config.tokens) { + this.tokens.pop(); + } + }; + JSXParser.prototype.createJSXNode = function () { + this.collectComments(); + return { + index: this.scanner.index, + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + }; + }; + JSXParser.prototype.createJSXChildNode = function () { + return { + index: this.scanner.index, + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + }; + }; + JSXParser.prototype.scanXHTMLEntity = function (quote) { + var result = '&'; + var valid = true; + var terminated = false; + var numeric = false; + var hex = false; + while (!this.scanner.eof() && valid && !terminated) { + var ch = this.scanner.source[this.scanner.index]; + if (ch === quote) { + break; + } + terminated = (ch === ';'); + result += ch; + ++this.scanner.index; + if (!terminated) { + switch (result.length) { + case 2: + // e.g. '{' + numeric = (ch === '#'); + break; + case 3: + if (numeric) { + // e.g. 'A' + hex = (ch === 'x'); + valid = hex || character_1.Character.isDecimalDigit(ch.charCodeAt(0)); + numeric = numeric && !hex; + } + break; + default: + valid = valid && !(numeric && !character_1.Character.isDecimalDigit(ch.charCodeAt(0))); + valid = valid && !(hex && !character_1.Character.isHexDigit(ch.charCodeAt(0))); + break; + } + } + } + if (valid && terminated && result.length > 2) { + // e.g. 'A' becomes just '#x41' + var str = result.substr(1, result.length - 2); + if (numeric && str.length > 1) { + result = String.fromCharCode(parseInt(str.substr(1), 10)); + } + else if (hex && str.length > 2) { + result = String.fromCharCode(parseInt('0' + str.substr(1), 16)); + } + else if (!numeric && !hex && xhtml_entities_1.XHTMLEntities[str]) { + result = xhtml_entities_1.XHTMLEntities[str]; + } + } + return result; + }; + // Scan the next JSX token. This replaces Scanner#lex when in JSX mode. + JSXParser.prototype.lexJSX = function () { + var cp = this.scanner.source.charCodeAt(this.scanner.index); + // < > / : = { } + if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) { + var value = this.scanner.source[this.scanner.index++]; + return { + type: 7 /* Punctuator */, + value: value, + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: this.scanner.index - 1, + end: this.scanner.index + }; + } + // " ' + if (cp === 34 || cp === 39) { + var start = this.scanner.index; + var quote = this.scanner.source[this.scanner.index++]; + var str = ''; + while (!this.scanner.eof()) { + var ch = this.scanner.source[this.scanner.index++]; + if (ch === quote) { + break; + } + else if (ch === '&') { + str += this.scanXHTMLEntity(quote); + } + else { + str += ch; + } + } + return { + type: 8 /* StringLiteral */, + value: str, + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: start, + end: this.scanner.index + }; + } + // ... or . + if (cp === 46) { + var n1 = this.scanner.source.charCodeAt(this.scanner.index + 1); + var n2 = this.scanner.source.charCodeAt(this.scanner.index + 2); + var value = (n1 === 46 && n2 === 46) ? '...' : '.'; + var start = this.scanner.index; + this.scanner.index += value.length; + return { + type: 7 /* Punctuator */, + value: value, + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: start, + end: this.scanner.index + }; + } + // ` + if (cp === 96) { + // Only placeholder, since it will be rescanned as a real assignment expression. + return { + type: 10 /* Template */, + value: '', + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: this.scanner.index, + end: this.scanner.index + }; + } + // Identifer can not contain backslash (char code 92). + if (character_1.Character.isIdentifierStart(cp) && (cp !== 92)) { + var start = this.scanner.index; + ++this.scanner.index; + while (!this.scanner.eof()) { + var ch = this.scanner.source.charCodeAt(this.scanner.index); + if (character_1.Character.isIdentifierPart(ch) && (ch !== 92)) { + ++this.scanner.index; + } + else if (ch === 45) { + // Hyphen (char code 45) can be part of an identifier. + ++this.scanner.index; + } + else { + break; + } + } + var id = this.scanner.source.slice(start, this.scanner.index); + return { + type: 100 /* Identifier */, + value: id, + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: start, + end: this.scanner.index + }; + } + return this.scanner.throwUnexpectedToken(); + }; + JSXParser.prototype.nextJSXToken = function () { + this.collectComments(); + this.startMarker.index = this.scanner.index; + this.startMarker.line = this.scanner.lineNumber; + this.startMarker.column = this.scanner.index - this.scanner.lineStart; + var token = this.lexJSX(); + this.lastMarker.index = this.scanner.index; + this.lastMarker.line = this.scanner.lineNumber; + this.lastMarker.column = this.scanner.index - this.scanner.lineStart; + if (this.config.tokens) { + this.tokens.push(this.convertToken(token)); + } + return token; + }; + JSXParser.prototype.nextJSXText = function () { + this.startMarker.index = this.scanner.index; + this.startMarker.line = this.scanner.lineNumber; + this.startMarker.column = this.scanner.index - this.scanner.lineStart; + var start = this.scanner.index; + var text = ''; + while (!this.scanner.eof()) { + var ch = this.scanner.source[this.scanner.index]; + if (ch === '{' || ch === '<') { + break; + } + ++this.scanner.index; + text += ch; + if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + ++this.scanner.lineNumber; + if (ch === '\r' && this.scanner.source[this.scanner.index] === '\n') { + ++this.scanner.index; + } + this.scanner.lineStart = this.scanner.index; + } + } + this.lastMarker.index = this.scanner.index; + this.lastMarker.line = this.scanner.lineNumber; + this.lastMarker.column = this.scanner.index - this.scanner.lineStart; + var token = { + type: 101 /* Text */, + value: text, + lineNumber: this.scanner.lineNumber, + lineStart: this.scanner.lineStart, + start: start, + end: this.scanner.index + }; + if ((text.length > 0) && this.config.tokens) { + this.tokens.push(this.convertToken(token)); + } + return token; + }; + JSXParser.prototype.peekJSXToken = function () { + var state = this.scanner.saveState(); + this.scanner.scanComments(); + var next = this.lexJSX(); + this.scanner.restoreState(state); + return next; + }; + // Expect the next JSX token to match the specified punctuator. + // If not, an exception will be thrown. + JSXParser.prototype.expectJSX = function (value) { + var token = this.nextJSXToken(); + if (token.type !== 7 /* Punctuator */ || token.value !== value) { + this.throwUnexpectedToken(token); + } + }; + // Return true if the next JSX token matches the specified punctuator. + JSXParser.prototype.matchJSX = function (value) { + var next = this.peekJSXToken(); + return next.type === 7 /* Punctuator */ && next.value === value; + }; + JSXParser.prototype.parseJSXIdentifier = function () { + var node = this.createJSXNode(); + var token = this.nextJSXToken(); + if (token.type !== 100 /* Identifier */) { + this.throwUnexpectedToken(token); + } + return this.finalize(node, new JSXNode.JSXIdentifier(token.value)); + }; + JSXParser.prototype.parseJSXElementName = function () { + var node = this.createJSXNode(); + var elementName = this.parseJSXIdentifier(); + if (this.matchJSX(':')) { + var namespace = elementName; + this.expectJSX(':'); + var name_1 = this.parseJSXIdentifier(); + elementName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_1)); + } + else if (this.matchJSX('.')) { + while (this.matchJSX('.')) { + var object = elementName; + this.expectJSX('.'); + var property = this.parseJSXIdentifier(); + elementName = this.finalize(node, new JSXNode.JSXMemberExpression(object, property)); + } + } + return elementName; + }; + JSXParser.prototype.parseJSXAttributeName = function () { + var node = this.createJSXNode(); + var attributeName; + var identifier = this.parseJSXIdentifier(); + if (this.matchJSX(':')) { + var namespace = identifier; + this.expectJSX(':'); + var name_2 = this.parseJSXIdentifier(); + attributeName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_2)); + } + else { + attributeName = identifier; + } + return attributeName; + }; + JSXParser.prototype.parseJSXStringLiteralAttribute = function () { + var node = this.createJSXNode(); + var token = this.nextJSXToken(); + if (token.type !== 8 /* StringLiteral */) { + this.throwUnexpectedToken(token); + } + var raw = this.getTokenRaw(token); + return this.finalize(node, new Node.Literal(token.value, raw)); + }; + JSXParser.prototype.parseJSXExpressionAttribute = function () { + var node = this.createJSXNode(); + this.expectJSX('{'); + this.finishJSX(); + if (this.match('}')) { + this.tolerateError('JSX attributes must only be assigned a non-empty expression'); + } + var expression = this.parseAssignmentExpression(); + this.reenterJSX(); + return this.finalize(node, new JSXNode.JSXExpressionContainer(expression)); + }; + JSXParser.prototype.parseJSXAttributeValue = function () { + return this.matchJSX('{') ? this.parseJSXExpressionAttribute() : + this.matchJSX('<') ? this.parseJSXElement() : this.parseJSXStringLiteralAttribute(); + }; + JSXParser.prototype.parseJSXNameValueAttribute = function () { + var node = this.createJSXNode(); + var name = this.parseJSXAttributeName(); + var value = null; + if (this.matchJSX('=')) { + this.expectJSX('='); + value = this.parseJSXAttributeValue(); + } + return this.finalize(node, new JSXNode.JSXAttribute(name, value)); + }; + JSXParser.prototype.parseJSXSpreadAttribute = function () { + var node = this.createJSXNode(); + this.expectJSX('{'); + this.expectJSX('...'); + this.finishJSX(); + var argument = this.parseAssignmentExpression(); + this.reenterJSX(); + return this.finalize(node, new JSXNode.JSXSpreadAttribute(argument)); + }; + JSXParser.prototype.parseJSXAttributes = function () { + var attributes = []; + while (!this.matchJSX('/') && !this.matchJSX('>')) { + var attribute = this.matchJSX('{') ? this.parseJSXSpreadAttribute() : + this.parseJSXNameValueAttribute(); + attributes.push(attribute); + } + return attributes; + }; + JSXParser.prototype.parseJSXOpeningElement = function () { + var node = this.createJSXNode(); + this.expectJSX('<'); + var name = this.parseJSXElementName(); + var attributes = this.parseJSXAttributes(); + var selfClosing = this.matchJSX('/'); + if (selfClosing) { + this.expectJSX('/'); + } + this.expectJSX('>'); + return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes)); + }; + JSXParser.prototype.parseJSXBoundaryElement = function () { + var node = this.createJSXNode(); + this.expectJSX('<'); + if (this.matchJSX('/')) { + this.expectJSX('/'); + var name_3 = this.parseJSXElementName(); + this.expectJSX('>'); + return this.finalize(node, new JSXNode.JSXClosingElement(name_3)); + } + var name = this.parseJSXElementName(); + var attributes = this.parseJSXAttributes(); + var selfClosing = this.matchJSX('/'); + if (selfClosing) { + this.expectJSX('/'); + } + this.expectJSX('>'); + return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes)); + }; + JSXParser.prototype.parseJSXEmptyExpression = function () { + var node = this.createJSXChildNode(); + this.collectComments(); + this.lastMarker.index = this.scanner.index; + this.lastMarker.line = this.scanner.lineNumber; + this.lastMarker.column = this.scanner.index - this.scanner.lineStart; + return this.finalize(node, new JSXNode.JSXEmptyExpression()); + }; + JSXParser.prototype.parseJSXExpressionContainer = function () { + var node = this.createJSXNode(); + this.expectJSX('{'); + var expression; + if (this.matchJSX('}')) { + expression = this.parseJSXEmptyExpression(); + this.expectJSX('}'); + } + else { + this.finishJSX(); + expression = this.parseAssignmentExpression(); + this.reenterJSX(); + } + return this.finalize(node, new JSXNode.JSXExpressionContainer(expression)); + }; + JSXParser.prototype.parseJSXChildren = function () { + var children = []; + while (!this.scanner.eof()) { + var node = this.createJSXChildNode(); + var token = this.nextJSXText(); + if (token.start < token.end) { + var raw = this.getTokenRaw(token); + var child = this.finalize(node, new JSXNode.JSXText(token.value, raw)); + children.push(child); + } + if (this.scanner.source[this.scanner.index] === '{') { + var container = this.parseJSXExpressionContainer(); + children.push(container); + } + else { + break; + } + } + return children; + }; + JSXParser.prototype.parseComplexJSXElement = function (el) { + var stack = []; + while (!this.scanner.eof()) { + el.children = el.children.concat(this.parseJSXChildren()); + var node = this.createJSXChildNode(); + var element = this.parseJSXBoundaryElement(); + if (element.type === jsx_syntax_1.JSXSyntax.JSXOpeningElement) { + var opening = element; + if (opening.selfClosing) { + var child = this.finalize(node, new JSXNode.JSXElement(opening, [], null)); + el.children.push(child); + } + else { + stack.push(el); + el = { node: node, opening: opening, closing: null, children: [] }; + } + } + if (element.type === jsx_syntax_1.JSXSyntax.JSXClosingElement) { + el.closing = element; + var open_1 = getQualifiedElementName(el.opening.name); + var close_1 = getQualifiedElementName(el.closing.name); + if (open_1 !== close_1) { + this.tolerateError('Expected corresponding JSX closing tag for %0', open_1); + } + if (stack.length > 0) { + var child = this.finalize(el.node, new JSXNode.JSXElement(el.opening, el.children, el.closing)); + el = stack[stack.length - 1]; + el.children.push(child); + stack.pop(); + } + else { + break; + } + } + } + return el; + }; + JSXParser.prototype.parseJSXElement = function () { + var node = this.createJSXNode(); + var opening = this.parseJSXOpeningElement(); + var children = []; + var closing = null; + if (!opening.selfClosing) { + var el = this.parseComplexJSXElement({ node: node, opening: opening, closing: closing, children: children }); + children = el.children; + closing = el.closing; + } + return this.finalize(node, new JSXNode.JSXElement(opening, children, closing)); + }; + JSXParser.prototype.parseJSXRoot = function () { + // Pop the opening '<' added from the lookahead. + if (this.config.tokens) { + this.tokens.pop(); + } + this.startJSX(); + var element = this.parseJSXElement(); + this.finishJSX(); + return element; + }; + return JSXParser; + }(parser_1.Parser)); + exports.JSXParser = JSXParser; + + +/***/ }, +/* 4 */ +/***/ function(module, exports) { + + "use strict"; + // See also tools/generate-unicode-regex.js. + var Regex = { + // Unicode v8.0.0 NonAsciiIdentifierStart: + NonAsciiIdentifierStart: /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B4\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309B-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AD\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD50-\uDD72\uDD76\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+ // Unicode v8.0.0 NonAsciiIdentifierPart: + NonAsciiIdentifierPart: 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+ }; + exports.Character = { + /* tslint:disable:no-bitwise */ + fromCodePoint: function (cp) { + return (cp < 0x10000) ? String.fromCharCode(cp) : + String.fromCharCode(0xD800 + ((cp - 0x10000) >> 10)) + + String.fromCharCode(0xDC00 + ((cp - 0x10000) & 1023)); + }, + // https://tc39.github.io/ecma262/#sec-white-space + isWhiteSpace: function (cp) { + return (cp === 0x20) || (cp === 0x09) || (cp === 0x0B) || (cp === 0x0C) || (cp === 0xA0) || + (cp >= 0x1680 && [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(cp) >= 0); + }, + // https://tc39.github.io/ecma262/#sec-line-terminators + isLineTerminator: function (cp) { + return (cp === 0x0A) || (cp === 0x0D) || (cp === 0x2028) || (cp === 0x2029); + }, + // https://tc39.github.io/ecma262/#sec-names-and-keywords + isIdentifierStart: function (cp) { + return (cp === 0x24) || (cp === 0x5F) || + (cp >= 0x41 && cp <= 0x5A) || + (cp >= 0x61 && cp <= 0x7A) || + (cp === 0x5C) || + ((cp >= 0x80) && Regex.NonAsciiIdentifierStart.test(exports.Character.fromCodePoint(cp))); + }, + isIdentifierPart: function (cp) { + return (cp === 0x24) || (cp === 0x5F) || + (cp >= 0x41 && cp <= 0x5A) || + (cp >= 0x61 && cp <= 0x7A) || + (cp >= 0x30 && cp <= 0x39) || + (cp === 0x5C) || + ((cp >= 0x80) && Regex.NonAsciiIdentifierPart.test(exports.Character.fromCodePoint(cp))); + }, + // https://tc39.github.io/ecma262/#sec-literals-numeric-literals + isDecimalDigit: function (cp) { + return (cp >= 0x30 && cp <= 0x39); // 0..9 + }, + isHexDigit: function (cp) { + return (cp >= 0x30 && cp <= 0x39) || + (cp >= 0x41 && cp <= 0x46) || + (cp >= 0x61 && cp <= 0x66); // a..f + }, + isOctalDigit: function (cp) { + return (cp >= 0x30 && cp <= 0x37); // 0..7 + } + }; + + +/***/ }, +/* 5 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var jsx_syntax_1 = __webpack_require__(6); + /* tslint:disable:max-classes-per-file */ + var JSXClosingElement = (function () { + function JSXClosingElement(name) { + this.type = jsx_syntax_1.JSXSyntax.JSXClosingElement; + this.name = name; + } + return JSXClosingElement; + }()); + exports.JSXClosingElement = JSXClosingElement; + var JSXElement = (function () { + function JSXElement(openingElement, children, closingElement) { + this.type = jsx_syntax_1.JSXSyntax.JSXElement; + this.openingElement = openingElement; + this.children = children; + this.closingElement = closingElement; + } + return JSXElement; + }()); + exports.JSXElement = JSXElement; + var JSXEmptyExpression = (function () { + function JSXEmptyExpression() { + this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression; + } + return JSXEmptyExpression; + }()); + exports.JSXEmptyExpression = JSXEmptyExpression; + var JSXExpressionContainer = (function () { + function JSXExpressionContainer(expression) { + this.type = jsx_syntax_1.JSXSyntax.JSXExpressionContainer; + this.expression = expression; + } + return JSXExpressionContainer; + }()); + exports.JSXExpressionContainer = JSXExpressionContainer; + var JSXIdentifier = (function () { + function JSXIdentifier(name) { + this.type = jsx_syntax_1.JSXSyntax.JSXIdentifier; + this.name = name; + } + return JSXIdentifier; + }()); + exports.JSXIdentifier = JSXIdentifier; + var JSXMemberExpression = (function () { + function JSXMemberExpression(object, property) { + this.type = jsx_syntax_1.JSXSyntax.JSXMemberExpression; + this.object = object; + this.property = property; + } + return JSXMemberExpression; + }()); + exports.JSXMemberExpression = JSXMemberExpression; + var JSXAttribute = (function () { + function JSXAttribute(name, value) { + this.type = jsx_syntax_1.JSXSyntax.JSXAttribute; + this.name = name; + this.value = value; + } + return JSXAttribute; + }()); + exports.JSXAttribute = JSXAttribute; + var JSXNamespacedName = (function () { + function JSXNamespacedName(namespace, name) { + this.type = jsx_syntax_1.JSXSyntax.JSXNamespacedName; + this.namespace = namespace; + this.name = name; + } + return JSXNamespacedName; + }()); + exports.JSXNamespacedName = JSXNamespacedName; + var JSXOpeningElement = (function () { + function JSXOpeningElement(name, selfClosing, attributes) { + this.type = jsx_syntax_1.JSXSyntax.JSXOpeningElement; + this.name = name; + this.selfClosing = selfClosing; + this.attributes = attributes; + } + return JSXOpeningElement; + }()); + exports.JSXOpeningElement = JSXOpeningElement; + var JSXSpreadAttribute = (function () { + function JSXSpreadAttribute(argument) { + this.type = jsx_syntax_1.JSXSyntax.JSXSpreadAttribute; + this.argument = argument; + } + return JSXSpreadAttribute; + }()); + exports.JSXSpreadAttribute = JSXSpreadAttribute; + var JSXText = (function () { + function JSXText(value, raw) { + this.type = jsx_syntax_1.JSXSyntax.JSXText; + this.value = value; + this.raw = raw; + } + return JSXText; + }()); + exports.JSXText = JSXText; + + +/***/ }, +/* 6 */ +/***/ function(module, exports) { + + "use strict"; + exports.JSXSyntax = { + JSXAttribute: 'JSXAttribute', + JSXClosingElement: 'JSXClosingElement', + JSXElement: 'JSXElement', + JSXEmptyExpression: 'JSXEmptyExpression', + JSXExpressionContainer: 'JSXExpressionContainer', + JSXIdentifier: 'JSXIdentifier', + JSXMemberExpression: 'JSXMemberExpression', + JSXNamespacedName: 'JSXNamespacedName', + JSXOpeningElement: 'JSXOpeningElement', + JSXSpreadAttribute: 'JSXSpreadAttribute', + JSXText: 'JSXText' + }; + + +/***/ }, +/* 7 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var syntax_1 = __webpack_require__(2); + /* tslint:disable:max-classes-per-file */ + var ArrayExpression = (function () { + function ArrayExpression(elements) { + this.type = syntax_1.Syntax.ArrayExpression; + this.elements = elements; + } + return ArrayExpression; + }()); + exports.ArrayExpression = ArrayExpression; + var ArrayPattern = (function () { + function ArrayPattern(elements) { + this.type = syntax_1.Syntax.ArrayPattern; + this.elements = elements; + } + return ArrayPattern; + }()); + exports.ArrayPattern = ArrayPattern; + var ArrowFunctionExpression = (function () { + function ArrowFunctionExpression(params, body, expression) { + this.type = syntax_1.Syntax.ArrowFunctionExpression; + this.id = null; + this.params = params; + this.body = body; + this.generator = false; + this.expression = expression; + this.async = false; + } + return ArrowFunctionExpression; + }()); + exports.ArrowFunctionExpression = ArrowFunctionExpression; + var AssignmentExpression = (function () { + function AssignmentExpression(operator, left, right) { + this.type = syntax_1.Syntax.AssignmentExpression; + this.operator = operator; + this.left = left; + this.right = right; + } + return AssignmentExpression; + }()); + exports.AssignmentExpression = AssignmentExpression; + var AssignmentPattern = (function () { + function AssignmentPattern(left, right) { + this.type = syntax_1.Syntax.AssignmentPattern; + this.left = left; + this.right = right; + } + return AssignmentPattern; + }()); + exports.AssignmentPattern = AssignmentPattern; + var AsyncArrowFunctionExpression = (function () { + function AsyncArrowFunctionExpression(params, body, expression) { + this.type = syntax_1.Syntax.ArrowFunctionExpression; + this.id = null; + this.params = params; + this.body = body; + this.generator = false; + this.expression = expression; + this.async = true; + } + return AsyncArrowFunctionExpression; + }()); + exports.AsyncArrowFunctionExpression = AsyncArrowFunctionExpression; + var AsyncFunctionDeclaration = (function () { + function AsyncFunctionDeclaration(id, params, body) { + this.type = syntax_1.Syntax.FunctionDeclaration; + this.id = id; + this.params = params; + this.body = body; + this.generator = false; + this.expression = false; + this.async = true; + } + return AsyncFunctionDeclaration; + }()); + exports.AsyncFunctionDeclaration = AsyncFunctionDeclaration; + var AsyncFunctionExpression = (function () { + function AsyncFunctionExpression(id, params, body) { + this.type = syntax_1.Syntax.FunctionExpression; + this.id = id; + this.params = params; + this.body = body; + this.generator = false; + this.expression = false; + this.async = true; + } + return AsyncFunctionExpression; + }()); + exports.AsyncFunctionExpression = AsyncFunctionExpression; + var AwaitExpression = (function () { + function AwaitExpression(argument) { + this.type = syntax_1.Syntax.AwaitExpression; + this.argument = argument; + } + return AwaitExpression; + }()); + exports.AwaitExpression = AwaitExpression; + var BinaryExpression = (function () { + function BinaryExpression(operator, left, right) { + var logical = (operator === '||' || operator === '&&'); + this.type = logical ? syntax_1.Syntax.LogicalExpression : syntax_1.Syntax.BinaryExpression; + this.operator = operator; + this.left = left; + this.right = right; + } + return BinaryExpression; + }()); + exports.BinaryExpression = BinaryExpression; + var BlockStatement = (function () { + function BlockStatement(body) { + this.type = syntax_1.Syntax.BlockStatement; + this.body = body; + } + return BlockStatement; + }()); + exports.BlockStatement = BlockStatement; + var BreakStatement = (function () { + function BreakStatement(label) { + this.type = syntax_1.Syntax.BreakStatement; + this.label = label; + } + return BreakStatement; + }()); + exports.BreakStatement = BreakStatement; + var CallExpression = (function () { + function CallExpression(callee, args) { + this.type = syntax_1.Syntax.CallExpression; + this.callee = callee; + this.arguments = args; + } + return CallExpression; + }()); + exports.CallExpression = CallExpression; + var CatchClause = (function () { + function CatchClause(param, body) { + this.type = syntax_1.Syntax.CatchClause; + this.param = param; + this.body = body; + } + return CatchClause; + }()); + exports.CatchClause = CatchClause; + var ClassBody = (function () { + function ClassBody(body) { + this.type = syntax_1.Syntax.ClassBody; + this.body = body; + } + return ClassBody; + }()); + exports.ClassBody = ClassBody; + var ClassDeclaration = (function () { + function ClassDeclaration(id, superClass, body) { + this.type = syntax_1.Syntax.ClassDeclaration; + this.id = id; + this.superClass = superClass; + this.body = body; + } + return ClassDeclaration; + }()); + exports.ClassDeclaration = ClassDeclaration; + var ClassExpression = (function () { + function ClassExpression(id, superClass, body) { + this.type = syntax_1.Syntax.ClassExpression; + this.id = id; + this.superClass = superClass; + this.body = body; + } + return ClassExpression; + }()); + exports.ClassExpression = ClassExpression; + var ComputedMemberExpression = (function () { + function ComputedMemberExpression(object, property) { + this.type = syntax_1.Syntax.MemberExpression; + this.computed = true; + this.object = object; + this.property = property; + } + return ComputedMemberExpression; + }()); + exports.ComputedMemberExpression = ComputedMemberExpression; + var ConditionalExpression = (function () { + function ConditionalExpression(test, consequent, alternate) { + this.type = syntax_1.Syntax.ConditionalExpression; + this.test = test; + this.consequent = consequent; + this.alternate = alternate; + } + return ConditionalExpression; + }()); + exports.ConditionalExpression = ConditionalExpression; + var ContinueStatement = (function () { + function ContinueStatement(label) { + this.type = syntax_1.Syntax.ContinueStatement; + this.label = label; + } + return ContinueStatement; + }()); + exports.ContinueStatement = ContinueStatement; + var DebuggerStatement = (function () { + function DebuggerStatement() { + this.type = syntax_1.Syntax.DebuggerStatement; + } + return DebuggerStatement; + }()); + exports.DebuggerStatement = DebuggerStatement; + var Directive = (function () { + function Directive(expression, directive) { + this.type = syntax_1.Syntax.ExpressionStatement; + this.expression = expression; + this.directive = directive; + } + return Directive; + }()); + exports.Directive = Directive; + var DoWhileStatement = (function () { + function DoWhileStatement(body, test) { + this.type = syntax_1.Syntax.DoWhileStatement; + this.body = body; + this.test = test; + } + return DoWhileStatement; + }()); + exports.DoWhileStatement = DoWhileStatement; + var EmptyStatement = (function () { + function EmptyStatement() { + this.type = syntax_1.Syntax.EmptyStatement; + } + return EmptyStatement; + }()); + exports.EmptyStatement = EmptyStatement; + var ExportAllDeclaration = (function () { + function ExportAllDeclaration(source) { + this.type = syntax_1.Syntax.ExportAllDeclaration; + this.source = source; + } + return ExportAllDeclaration; + }()); + exports.ExportAllDeclaration = ExportAllDeclaration; + var ExportDefaultDeclaration = (function () { + function ExportDefaultDeclaration(declaration) { + this.type = syntax_1.Syntax.ExportDefaultDeclaration; + this.declaration = declaration; + } + return ExportDefaultDeclaration; + }()); + exports.ExportDefaultDeclaration = ExportDefaultDeclaration; + var ExportNamedDeclaration = (function () { + function ExportNamedDeclaration(declaration, specifiers, source) { + this.type = syntax_1.Syntax.ExportNamedDeclaration; + this.declaration = declaration; + this.specifiers = specifiers; + this.source = source; + } + return ExportNamedDeclaration; + }()); + exports.ExportNamedDeclaration = ExportNamedDeclaration; + var ExportSpecifier = (function () { + function ExportSpecifier(local, exported) { + this.type = syntax_1.Syntax.ExportSpecifier; + this.exported = exported; + this.local = local; + } + return ExportSpecifier; + }()); + exports.ExportSpecifier = ExportSpecifier; + var ExpressionStatement = (function () { + function ExpressionStatement(expression) { + this.type = syntax_1.Syntax.ExpressionStatement; + this.expression = expression; + } + return ExpressionStatement; + }()); + exports.ExpressionStatement = ExpressionStatement; + var ForInStatement = (function () { + function ForInStatement(left, right, body) { + this.type = syntax_1.Syntax.ForInStatement; + this.left = left; + this.right = right; + this.body = body; + this.each = false; + } + return ForInStatement; + }()); + exports.ForInStatement = ForInStatement; + var ForOfStatement = (function () { + function ForOfStatement(left, right, body) { + this.type = syntax_1.Syntax.ForOfStatement; + this.left = left; + this.right = right; + this.body = body; + } + return ForOfStatement; + }()); + exports.ForOfStatement = ForOfStatement; + var ForStatement = (function () { + function ForStatement(init, test, update, body) { + this.type = syntax_1.Syntax.ForStatement; + this.init = init; + this.test = test; + this.update = update; + this.body = body; + } + return ForStatement; + }()); + exports.ForStatement = ForStatement; + var FunctionDeclaration = (function () { + function FunctionDeclaration(id, params, body, generator) { + this.type = syntax_1.Syntax.FunctionDeclaration; + this.id = id; + this.params = params; + this.body = body; + this.generator = generator; + this.expression = false; + this.async = false; + } + return FunctionDeclaration; + }()); + exports.FunctionDeclaration = FunctionDeclaration; + var FunctionExpression = (function () { + function FunctionExpression(id, params, body, generator) { + this.type = syntax_1.Syntax.FunctionExpression; + this.id = id; + this.params = params; + this.body = body; + this.generator = generator; + this.expression = false; + this.async = false; + } + return FunctionExpression; + }()); + exports.FunctionExpression = FunctionExpression; + var Identifier = (function () { + function Identifier(name) { + this.type = syntax_1.Syntax.Identifier; + this.name = name; + } + return Identifier; + }()); + exports.Identifier = Identifier; + var IfStatement = (function () { + function IfStatement(test, consequent, alternate) { + this.type = syntax_1.Syntax.IfStatement; + this.test = test; + this.consequent = consequent; + this.alternate = alternate; + } + return IfStatement; + }()); + exports.IfStatement = IfStatement; + var Import = (function () { + function Import() { + this.type = syntax_1.Syntax.Import; + } + return Import; + }()); + exports.Import = Import; + var ImportDeclaration = (function () { + function ImportDeclaration(specifiers, source) { + this.type = syntax_1.Syntax.ImportDeclaration; + this.specifiers = specifiers; + this.source = source; + } + return ImportDeclaration; + }()); + exports.ImportDeclaration = ImportDeclaration; + var ImportDefaultSpecifier = (function () { + function ImportDefaultSpecifier(local) { + this.type = syntax_1.Syntax.ImportDefaultSpecifier; + this.local = local; + } + return ImportDefaultSpecifier; + }()); + exports.ImportDefaultSpecifier = ImportDefaultSpecifier; + var ImportNamespaceSpecifier = (function () { + function ImportNamespaceSpecifier(local) { + this.type = syntax_1.Syntax.ImportNamespaceSpecifier; + this.local = local; + } + return ImportNamespaceSpecifier; + }()); + exports.ImportNamespaceSpecifier = ImportNamespaceSpecifier; + var ImportSpecifier = (function () { + function ImportSpecifier(local, imported) { + this.type = syntax_1.Syntax.ImportSpecifier; + this.local = local; + this.imported = imported; + } + return ImportSpecifier; + }()); + exports.ImportSpecifier = ImportSpecifier; + var LabeledStatement = (function () { + function LabeledStatement(label, body) { + this.type = syntax_1.Syntax.LabeledStatement; + this.label = label; + this.body = body; + } + return LabeledStatement; + }()); + exports.LabeledStatement = LabeledStatement; + var Literal = (function () { + function Literal(value, raw) { + this.type = syntax_1.Syntax.Literal; + this.value = value; + this.raw = raw; + } + return Literal; + }()); + exports.Literal = Literal; + var MetaProperty = (function () { + function MetaProperty(meta, property) { + this.type = syntax_1.Syntax.MetaProperty; + this.meta = meta; + this.property = property; + } + return MetaProperty; + }()); + exports.MetaProperty = MetaProperty; + var MethodDefinition = (function () { + function MethodDefinition(key, computed, value, kind, isStatic) { + this.type = syntax_1.Syntax.MethodDefinition; + this.key = key; + this.computed = computed; + this.value = value; + this.kind = kind; + this.static = isStatic; + } + return MethodDefinition; + }()); + exports.MethodDefinition = MethodDefinition; + var Module = (function () { + function Module(body) { + this.type = syntax_1.Syntax.Program; + this.body = body; + this.sourceType = 'module'; + } + return Module; + }()); + exports.Module = Module; + var NewExpression = (function () { + function NewExpression(callee, args) { + this.type = syntax_1.Syntax.NewExpression; + this.callee = callee; + this.arguments = args; + } + return NewExpression; + }()); + exports.NewExpression = NewExpression; + var ObjectExpression = (function () { + function ObjectExpression(properties) { + this.type = syntax_1.Syntax.ObjectExpression; + this.properties = properties; + } + return ObjectExpression; + }()); + exports.ObjectExpression = ObjectExpression; + var ObjectPattern = (function () { + function ObjectPattern(properties) { + this.type = syntax_1.Syntax.ObjectPattern; + this.properties = properties; + } + return ObjectPattern; + }()); + exports.ObjectPattern = ObjectPattern; + var Property = (function () { + function Property(kind, key, computed, value, method, shorthand) { + this.type = syntax_1.Syntax.Property; + this.key = key; + this.computed = computed; + this.value = value; + this.kind = kind; + this.method = method; + this.shorthand = shorthand; + } + return Property; + }()); + exports.Property = Property; + var RegexLiteral = (function () { + function RegexLiteral(value, raw, pattern, flags) { + this.type = syntax_1.Syntax.Literal; + this.value = value; + this.raw = raw; + this.regex = { pattern: pattern, flags: flags }; + } + return RegexLiteral; + }()); + exports.RegexLiteral = RegexLiteral; + var RestElement = (function () { + function RestElement(argument) { + this.type = syntax_1.Syntax.RestElement; + this.argument = argument; + } + return RestElement; + }()); + exports.RestElement = RestElement; + var RestProperty = (function () { + function RestProperty(argument) { + this.type = syntax_1.Syntax.RestProperty; + this.argument = argument; + } + return RestProperty; + }()); + exports.RestProperty = RestProperty; + var ReturnStatement = (function () { + function ReturnStatement(argument) { + this.type = syntax_1.Syntax.ReturnStatement; + this.argument = argument; + } + return ReturnStatement; + }()); + exports.ReturnStatement = ReturnStatement; + var Script = (function () { + function Script(body) { + this.type = syntax_1.Syntax.Program; + this.body = body; + this.sourceType = 'script'; + } + return Script; + }()); + exports.Script = Script; + var SequenceExpression = (function () { + function SequenceExpression(expressions) { + this.type = syntax_1.Syntax.SequenceExpression; + this.expressions = expressions; + } + return SequenceExpression; + }()); + exports.SequenceExpression = SequenceExpression; + var SpreadElement = (function () { + function SpreadElement(argument) { + this.type = syntax_1.Syntax.SpreadElement; + this.argument = argument; + } + return SpreadElement; + }()); + exports.SpreadElement = SpreadElement; + var SpreadProperty = (function () { + function SpreadProperty(argument) { + this.type = syntax_1.Syntax.SpreadProperty; + this.argument = argument; + } + return SpreadProperty; + }()); + exports.SpreadProperty = SpreadProperty; + var StaticMemberExpression = (function () { + function StaticMemberExpression(object, property) { + this.type = syntax_1.Syntax.MemberExpression; + this.computed = false; + this.object = object; + this.property = property; + } + return StaticMemberExpression; + }()); + exports.StaticMemberExpression = StaticMemberExpression; + var Super = (function () { + function Super() { + this.type = syntax_1.Syntax.Super; + } + return Super; + }()); + exports.Super = Super; + var SwitchCase = (function () { + function SwitchCase(test, consequent) { + this.type = syntax_1.Syntax.SwitchCase; + this.test = test; + this.consequent = consequent; + } + return SwitchCase; + }()); + exports.SwitchCase = SwitchCase; + var SwitchStatement = (function () { + function SwitchStatement(discriminant, cases) { + this.type = syntax_1.Syntax.SwitchStatement; + this.discriminant = discriminant; + this.cases = cases; + } + return SwitchStatement; + }()); + exports.SwitchStatement = SwitchStatement; + var TaggedTemplateExpression = (function () { + function TaggedTemplateExpression(tag, quasi) { + this.type = syntax_1.Syntax.TaggedTemplateExpression; + this.tag = tag; + this.quasi = quasi; + } + return TaggedTemplateExpression; + }()); + exports.TaggedTemplateExpression = TaggedTemplateExpression; + var TemplateElement = (function () { + function TemplateElement(value, tail) { + this.type = syntax_1.Syntax.TemplateElement; + this.value = value; + this.tail = tail; + } + return TemplateElement; + }()); + exports.TemplateElement = TemplateElement; + var TemplateLiteral = (function () { + function TemplateLiteral(quasis, expressions) { + this.type = syntax_1.Syntax.TemplateLiteral; + this.quasis = quasis; + this.expressions = expressions; + } + return TemplateLiteral; + }()); + exports.TemplateLiteral = TemplateLiteral; + var ThisExpression = (function () { + function ThisExpression() { + this.type = syntax_1.Syntax.ThisExpression; + } + return ThisExpression; + }()); + exports.ThisExpression = ThisExpression; + var ThrowStatement = (function () { + function ThrowStatement(argument) { + this.type = syntax_1.Syntax.ThrowStatement; + this.argument = argument; + } + return ThrowStatement; + }()); + exports.ThrowStatement = ThrowStatement; + var TryStatement = (function () { + function TryStatement(block, handler, finalizer) { + this.type = syntax_1.Syntax.TryStatement; + this.block = block; + this.handler = handler; + this.finalizer = finalizer; + } + return TryStatement; + }()); + exports.TryStatement = TryStatement; + var UnaryExpression = (function () { + function UnaryExpression(operator, argument) { + this.type = syntax_1.Syntax.UnaryExpression; + this.operator = operator; + this.argument = argument; + this.prefix = true; + } + return UnaryExpression; + }()); + exports.UnaryExpression = UnaryExpression; + var UpdateExpression = (function () { + function UpdateExpression(operator, argument, prefix) { + this.type = syntax_1.Syntax.UpdateExpression; + this.operator = operator; + this.argument = argument; + this.prefix = prefix; + } + return UpdateExpression; + }()); + exports.UpdateExpression = UpdateExpression; + var VariableDeclaration = (function () { + function VariableDeclaration(declarations, kind) { + this.type = syntax_1.Syntax.VariableDeclaration; + this.declarations = declarations; + this.kind = kind; + } + return VariableDeclaration; + }()); + exports.VariableDeclaration = VariableDeclaration; + var VariableDeclarator = (function () { + function VariableDeclarator(id, init) { + this.type = syntax_1.Syntax.VariableDeclarator; + this.id = id; + this.init = init; + } + return VariableDeclarator; + }()); + exports.VariableDeclarator = VariableDeclarator; + var WhileStatement = (function () { + function WhileStatement(test, body) { + this.type = syntax_1.Syntax.WhileStatement; + this.test = test; + this.body = body; + } + return WhileStatement; + }()); + exports.WhileStatement = WhileStatement; + var WithStatement = (function () { + function WithStatement(object, body) { + this.type = syntax_1.Syntax.WithStatement; + this.object = object; + this.body = body; + } + return WithStatement; + }()); + exports.WithStatement = WithStatement; + var YieldExpression = (function () { + function YieldExpression(argument, delegate) { + this.type = syntax_1.Syntax.YieldExpression; + this.argument = argument; + this.delegate = delegate; + } + return YieldExpression; + }()); + exports.YieldExpression = YieldExpression; + + +/***/ }, +/* 8 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var assert_1 = __webpack_require__(9); + var error_handler_1 = __webpack_require__(10); + var messages_1 = __webpack_require__(11); + var Node = __webpack_require__(7); + var scanner_1 = __webpack_require__(12); + var syntax_1 = __webpack_require__(2); + var token_1 = __webpack_require__(13); + var ArrowParameterPlaceHolder = 'ArrowParameterPlaceHolder'; + var Parser = (function () { + function Parser(code, options, delegate) { + if (options === void 0) { options = {}; } + this.config = { + range: (typeof options.range === 'boolean') && options.range, + loc: (typeof options.loc === 'boolean') && options.loc, + source: null, + tokens: (typeof options.tokens === 'boolean') && options.tokens, + comment: (typeof options.comment === 'boolean') && options.comment, + tolerant: (typeof options.tolerant === 'boolean') && options.tolerant + }; + if (this.config.loc && options.source && options.source !== null) { + this.config.source = String(options.source); + } + this.delegate = delegate; + this.errorHandler = new error_handler_1.ErrorHandler(); + this.errorHandler.tolerant = this.config.tolerant; + this.scanner = new scanner_1.Scanner(code, this.errorHandler); + this.scanner.trackComment = this.config.comment; + this.operatorPrecedence = { + ')': 0, + ';': 0, + ',': 0, + '=': 0, + ']': 0, + '||': 1, + '&&': 2, + '|': 3, + '^': 4, + '&': 5, + '==': 6, + '!=': 6, + '===': 6, + '!==': 6, + '<': 7, + '>': 7, + '<=': 7, + '>=': 7, + '<<': 8, + '>>': 8, + '>>>': 8, + '+': 9, + '-': 9, + '*': 11, + '/': 11, + '%': 11 + }; + this.lookahead = { + type: 2 /* EOF */, + value: '', + lineNumber: this.scanner.lineNumber, + lineStart: 0, + start: 0, + end: 0 + }; + this.hasLineTerminator = false; + this.context = { + isModule: false, + await: false, + allowIn: true, + allowStrictDirective: true, + allowYield: true, + firstCoverInitializedNameError: null, + isAssignmentTarget: false, + isBindingElement: false, + inFunctionBody: false, + inIteration: false, + inSwitch: false, + labelSet: {}, + strict: false + }; + this.tokens = []; + this.startMarker = { + index: 0, + line: this.scanner.lineNumber, + column: 0 + }; + this.lastMarker = { + index: 0, + line: this.scanner.lineNumber, + column: 0 + }; + this.nextToken(); + this.lastMarker = { + index: this.scanner.index, + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + }; + } + Parser.prototype.throwError = function (messageFormat) { + var values = []; + for (var _i = 1; _i < arguments.length; _i++) { + values[_i - 1] = arguments[_i]; + } + var args = Array.prototype.slice.call(arguments, 1); + var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) { + assert_1.assert(idx < args.length, 'Message reference must be in range'); + return args[idx]; + }); + var index = this.lastMarker.index; + var line = this.lastMarker.line; + var column = this.lastMarker.column + 1; + throw this.errorHandler.createError(index, line, column, msg); + }; + Parser.prototype.tolerateError = function (messageFormat) { + var values = []; + for (var _i = 1; _i < arguments.length; _i++) { + values[_i - 1] = arguments[_i]; + } + var args = Array.prototype.slice.call(arguments, 1); + var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) { + assert_1.assert(idx < args.length, 'Message reference must be in range'); + return args[idx]; + }); + var index = this.lastMarker.index; + var line = this.scanner.lineNumber; + var column = this.lastMarker.column + 1; + this.errorHandler.tolerateError(index, line, column, msg); + }; + // Throw an exception because of the token. + Parser.prototype.unexpectedTokenError = function (token, message) { + var msg = message || messages_1.Messages.UnexpectedToken; + var value; + if (token) { + if (!message) { + msg = (token.type === 2 /* EOF */) ? messages_1.Messages.UnexpectedEOS : + (token.type === 3 /* Identifier */) ? messages_1.Messages.UnexpectedIdentifier : + (token.type === 6 /* NumericLiteral */) ? messages_1.Messages.UnexpectedNumber : + (token.type === 8 /* StringLiteral */) ? messages_1.Messages.UnexpectedString : + (token.type === 10 /* Template */) ? messages_1.Messages.UnexpectedTemplate : + messages_1.Messages.UnexpectedToken; + if (token.type === 4 /* Keyword */) { + if (this.scanner.isFutureReservedWord(token.value)) { + msg = messages_1.Messages.UnexpectedReserved; + } + else if (this.context.strict && this.scanner.isStrictModeReservedWord(token.value)) { + msg = messages_1.Messages.StrictReservedWord; + } + } + } + value = token.value; + } + else { + value = 'ILLEGAL'; + } + msg = msg.replace('%0', value); + if (token && typeof token.lineNumber === 'number') { + var index = token.start; + var line = token.lineNumber; + var lastMarkerLineStart = this.lastMarker.index - this.lastMarker.column; + var column = token.start - lastMarkerLineStart + 1; + return this.errorHandler.createError(index, line, column, msg); + } + else { + var index = this.lastMarker.index; + var line = this.lastMarker.line; + var column = this.lastMarker.column + 1; + return this.errorHandler.createError(index, line, column, msg); + } + }; + Parser.prototype.throwUnexpectedToken = function (token, message) { + throw this.unexpectedTokenError(token, message); + }; + Parser.prototype.tolerateUnexpectedToken = function (token, message) { + this.errorHandler.tolerate(this.unexpectedTokenError(token, message)); + }; + Parser.prototype.collectComments = function () { + if (!this.config.comment) { + this.scanner.scanComments(); + } + else { + var comments = this.scanner.scanComments(); + if (comments.length > 0 && this.delegate) { + for (var i = 0; i < comments.length; ++i) { + var e = comments[i]; + var node = void 0; + node = { + type: e.multiLine ? 'BlockComment' : 'LineComment', + value: this.scanner.source.slice(e.slice[0], e.slice[1]) + }; + if (this.config.range) { + node.range = e.range; + } + if (this.config.loc) { + node.loc = e.loc; + } + var metadata = { + start: { + line: e.loc.start.line, + column: e.loc.start.column, + offset: e.range[0] + }, + end: { + line: e.loc.end.line, + column: e.loc.end.column, + offset: e.range[1] + } + }; + this.delegate(node, metadata); + } + } + } + }; + // From internal representation to an external structure + Parser.prototype.getTokenRaw = function (token) { + return this.scanner.source.slice(token.start, token.end); + }; + Parser.prototype.convertToken = function (token) { + var t = { + type: token_1.TokenName[token.type], + value: this.getTokenRaw(token) + }; + if (this.config.range) { + t.range = [token.start, token.end]; + } + if (this.config.loc) { + t.loc = { + start: { + line: this.startMarker.line, + column: this.startMarker.column + }, + end: { + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + } + }; + } + if (token.type === 9 /* RegularExpression */) { + var pattern = token.pattern; + var flags = token.flags; + t.regex = { pattern: pattern, flags: flags }; + } + return t; + }; + Parser.prototype.nextToken = function () { + var token = this.lookahead; + this.lastMarker.index = this.scanner.index; + this.lastMarker.line = this.scanner.lineNumber; + this.lastMarker.column = this.scanner.index - this.scanner.lineStart; + this.collectComments(); + if (this.scanner.index !== this.startMarker.index) { + this.startMarker.index = this.scanner.index; + this.startMarker.line = this.scanner.lineNumber; + this.startMarker.column = this.scanner.index - this.scanner.lineStart; + } + var next = this.scanner.lex(); + this.hasLineTerminator = (token.lineNumber !== next.lineNumber); + if (next && this.context.strict && next.type === 3 /* Identifier */) { + if (this.scanner.isStrictModeReservedWord(next.value)) { + next.type = 4 /* Keyword */; + } + } + this.lookahead = next; + if (this.config.tokens && next.type !== 2 /* EOF */) { + this.tokens.push(this.convertToken(next)); + } + return token; + }; + Parser.prototype.nextRegexToken = function () { + this.collectComments(); + var token = this.scanner.scanRegExp(); + if (this.config.tokens) { + // Pop the previous token, '/' or '/=' + // This is added from the lookahead token. + this.tokens.pop(); + this.tokens.push(this.convertToken(token)); + } + // Prime the next lookahead. + this.lookahead = token; + this.nextToken(); + return token; + }; + Parser.prototype.createNode = function () { + return { + index: this.startMarker.index, + line: this.startMarker.line, + column: this.startMarker.column + }; + }; + Parser.prototype.startNode = function (token) { + return { + index: token.start, + line: token.lineNumber, + column: token.start - token.lineStart + }; + }; + Parser.prototype.finalize = function (marker, node) { + if (this.config.range) { + node.range = [marker.index, this.lastMarker.index]; + } + if (this.config.loc) { + node.loc = { + start: { + line: marker.line, + column: marker.column, + }, + end: { + line: this.lastMarker.line, + column: this.lastMarker.column + } + }; + if (this.config.source) { + node.loc.source = this.config.source; + } + } + if (this.delegate) { + var metadata = { + start: { + line: marker.line, + column: marker.column, + offset: marker.index + }, + end: { + line: this.lastMarker.line, + column: this.lastMarker.column, + offset: this.lastMarker.index + } + }; + this.delegate(node, metadata); + } + return node; + }; + // Expect the next token to match the specified punctuator. + // If not, an exception will be thrown. + Parser.prototype.expect = function (value) { + var token = this.nextToken(); + if (token.type !== 7 /* Punctuator */ || token.value !== value) { + this.throwUnexpectedToken(token); + } + }; + // Quietly expect a comma when in tolerant mode, otherwise delegates to expect(). + Parser.prototype.expectCommaSeparator = function () { + if (this.config.tolerant) { + var token = this.lookahead; + if (token.type === 7 /* Punctuator */ && token.value === ',') { + this.nextToken(); + } + else if (token.type === 7 /* Punctuator */ && token.value === ';') { + this.nextToken(); + this.tolerateUnexpectedToken(token); + } + else { + this.tolerateUnexpectedToken(token, messages_1.Messages.UnexpectedToken); + } + } + else { + this.expect(','); + } + }; + // Expect the next token to match the specified keyword. + // If not, an exception will be thrown. + Parser.prototype.expectKeyword = function (keyword) { + var token = this.nextToken(); + if (token.type !== 4 /* Keyword */ || token.value !== keyword) { + this.throwUnexpectedToken(token); + } + }; + // Return true if the next token matches the specified punctuator. + Parser.prototype.match = function (value) { + return this.lookahead.type === 7 /* Punctuator */ && this.lookahead.value === value; + }; + // Return true if the next token matches the specified keyword + Parser.prototype.matchKeyword = function (keyword) { + return this.lookahead.type === 4 /* Keyword */ && this.lookahead.value === keyword; + }; + // Return true if the next token matches the specified contextual keyword + // (where an identifier is sometimes a keyword depending on the context) + Parser.prototype.matchContextualKeyword = function (keyword) { + return this.lookahead.type === 3 /* Identifier */ && this.lookahead.value === keyword; + }; + // Return true if the next token is an assignment operator + Parser.prototype.matchAssign = function () { + if (this.lookahead.type !== 7 /* Punctuator */) { + return false; + } + var op = this.lookahead.value; + return op === '=' || + op === '*=' || + op === '**=' || + op === '/=' || + op === '%=' || + op === '+=' || + op === '-=' || + op === '<<=' || + op === '>>=' || + op === '>>>=' || + op === '&=' || + op === '^=' || + op === '|='; + }; + // Cover grammar support. + // + // When an assignment expression position starts with an left parenthesis, the determination of the type + // of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead) + // or the first comma. This situation also defers the determination of all the expressions nested in the pair. + // + // There are three productions that can be parsed in a parentheses pair that needs to be determined + // after the outermost pair is closed. They are: + // + // 1. AssignmentExpression + // 2. BindingElements + // 3. AssignmentTargets + // + // In order to avoid exponential backtracking, we use two flags to denote if the production can be + // binding element or assignment target. + // + // The three productions have the relationship: + // + // BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression + // + // with a single exception that CoverInitializedName when used directly in an Expression, generates + // an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the + // first usage of CoverInitializedName and report it when we reached the end of the parentheses pair. + // + // isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not + // effect the current flags. This means the production the parser parses is only used as an expression. Therefore + // the CoverInitializedName check is conducted. + // + // inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates + // the flags outside of the parser. This means the production the parser parses is used as a part of a potential + // pattern. The CoverInitializedName check is deferred. + Parser.prototype.isolateCoverGrammar = function (parseFunction) { + var previousIsBindingElement = this.context.isBindingElement; + var previousIsAssignmentTarget = this.context.isAssignmentTarget; + var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError; + this.context.isBindingElement = true; + this.context.isAssignmentTarget = true; + this.context.firstCoverInitializedNameError = null; + var result = parseFunction.call(this); + if (this.context.firstCoverInitializedNameError !== null) { + this.throwUnexpectedToken(this.context.firstCoverInitializedNameError); + } + this.context.isBindingElement = previousIsBindingElement; + this.context.isAssignmentTarget = previousIsAssignmentTarget; + this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError; + return result; + }; + Parser.prototype.inheritCoverGrammar = function (parseFunction) { + var previousIsBindingElement = this.context.isBindingElement; + var previousIsAssignmentTarget = this.context.isAssignmentTarget; + var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError; + this.context.isBindingElement = true; + this.context.isAssignmentTarget = true; + this.context.firstCoverInitializedNameError = null; + var result = parseFunction.call(this); + this.context.isBindingElement = this.context.isBindingElement && previousIsBindingElement; + this.context.isAssignmentTarget = this.context.isAssignmentTarget && previousIsAssignmentTarget; + this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError || this.context.firstCoverInitializedNameError; + return result; + }; + Parser.prototype.consumeSemicolon = function () { + if (this.match(';')) { + this.nextToken(); + } + else if (!this.hasLineTerminator) { + if (this.lookahead.type !== 2 /* EOF */ && !this.match('}')) { + this.throwUnexpectedToken(this.lookahead); + } + this.lastMarker.index = this.startMarker.index; + this.lastMarker.line = this.startMarker.line; + this.lastMarker.column = this.startMarker.column; + } + }; + // https://tc39.github.io/ecma262/#sec-primary-expression + Parser.prototype.parsePrimaryExpression = function () { + var node = this.createNode(); + var expr; + var token, raw; + switch (this.lookahead.type) { + case 3 /* Identifier */: + if ((this.context.isModule || this.context.await) && this.lookahead.value === 'await') { + this.tolerateUnexpectedToken(this.lookahead); + } + expr = this.matchAsyncFunction() ? this.parseFunctionExpression() : this.finalize(node, new Node.Identifier(this.nextToken().value)); + break; + case 6 /* NumericLiteral */: + case 8 /* StringLiteral */: + if (this.context.strict && this.lookahead.octal) { + this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.StrictOctalLiteral); + } + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + token = this.nextToken(); + raw = this.getTokenRaw(token); + expr = this.finalize(node, new Node.Literal(token.value, raw)); + break; + case 1 /* BooleanLiteral */: + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + token = this.nextToken(); + raw = this.getTokenRaw(token); + expr = this.finalize(node, new Node.Literal(token.value === 'true', raw)); + break; + case 5 /* NullLiteral */: + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + token = this.nextToken(); + raw = this.getTokenRaw(token); + expr = this.finalize(node, new Node.Literal(null, raw)); + break; + case 10 /* Template */: + expr = this.parseTemplateLiteral(); + break; + case 7 /* Punctuator */: + switch (this.lookahead.value) { + case '(': + this.context.isBindingElement = false; + expr = this.inheritCoverGrammar(this.parseGroupExpression); + break; + case '[': + expr = this.inheritCoverGrammar(this.parseArrayInitializer); + break; + case '{': + expr = this.inheritCoverGrammar(this.parseObjectInitializer); + break; + case '/': + case '/=': + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + this.scanner.index = this.startMarker.index; + token = this.nextRegexToken(); + raw = this.getTokenRaw(token); + expr = this.finalize(node, new Node.RegexLiteral(token.regex, raw, token.pattern, token.flags)); + break; + default: + expr = this.throwUnexpectedToken(this.nextToken()); + } + break; + case 4 /* Keyword */: + if (!this.context.strict && this.context.allowYield && this.matchKeyword('yield')) { + expr = this.parseIdentifierName(); + } + else if (!this.context.strict && this.matchKeyword('let')) { + expr = this.finalize(node, new Node.Identifier(this.nextToken().value)); + } + else { + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + if (this.matchKeyword('function')) { + expr = this.parseFunctionExpression(); + } + else if (this.matchKeyword('this')) { + this.nextToken(); + expr = this.finalize(node, new Node.ThisExpression()); + } + else if (this.matchKeyword('class')) { + expr = this.parseClassExpression(); + } + else if (this.matchImportCall()) { + expr = this.parseImportCall(); + } + else { + expr = this.throwUnexpectedToken(this.nextToken()); + } + } + break; + default: + expr = this.throwUnexpectedToken(this.nextToken()); + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-array-initializer + Parser.prototype.parseSpreadElement = function () { + var node = this.createNode(); + this.expect('...'); + var arg = this.inheritCoverGrammar(this.parseAssignmentExpression); + return this.finalize(node, new Node.SpreadElement(arg)); + }; + Parser.prototype.parseArrayInitializer = function () { + var node = this.createNode(); + var elements = []; + this.expect('['); + while (!this.match(']')) { + if (this.match(',')) { + this.nextToken(); + elements.push(null); + } + else if (this.match('...')) { + var element = this.parseSpreadElement(); + if (!this.match(']')) { + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + this.expect(','); + } + elements.push(element); + } + else { + elements.push(this.inheritCoverGrammar(this.parseAssignmentExpression)); + if (!this.match(']')) { + this.expect(','); + } + } + } + this.expect(']'); + return this.finalize(node, new Node.ArrayExpression(elements)); + }; + // https://tc39.github.io/ecma262/#sec-object-initializer + Parser.prototype.parsePropertyMethod = function (params) { + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + var previousStrict = this.context.strict; + var previousAllowStrictDirective = this.context.allowStrictDirective; + this.context.allowStrictDirective = params.simple; + var body = this.isolateCoverGrammar(this.parseFunctionSourceElements); + if (this.context.strict && params.firstRestricted) { + this.tolerateUnexpectedToken(params.firstRestricted, params.message); + } + if (this.context.strict && params.stricted) { + this.tolerateUnexpectedToken(params.stricted, params.message); + } + this.context.strict = previousStrict; + this.context.allowStrictDirective = previousAllowStrictDirective; + return body; + }; + Parser.prototype.parsePropertyMethodFunction = function () { + var isGenerator = false; + var node = this.createNode(); + var previousAllowYield = this.context.allowYield; + this.context.allowYield = false; + var params = this.parseFormalParameters(); + var method = this.parsePropertyMethod(params); + this.context.allowYield = previousAllowYield; + return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator)); + }; + Parser.prototype.parsePropertyMethodAsyncFunction = function () { + var node = this.createNode(); + var previousAllowYield = this.context.allowYield; + var previousAwait = this.context.await; + this.context.allowYield = false; + this.context.await = true; + var params = this.parseFormalParameters(); + var method = this.parsePropertyMethod(params); + this.context.allowYield = previousAllowYield; + this.context.await = previousAwait; + return this.finalize(node, new Node.AsyncFunctionExpression(null, params.params, method)); + }; + Parser.prototype.parseObjectPropertyKey = function () { + var node = this.createNode(); + var token = this.nextToken(); + var key; + switch (token.type) { + case 8 /* StringLiteral */: + case 6 /* NumericLiteral */: + if (this.context.strict && token.octal) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictOctalLiteral); + } + var raw = this.getTokenRaw(token); + key = this.finalize(node, new Node.Literal(token.value, raw)); + break; + case 3 /* Identifier */: + case 1 /* BooleanLiteral */: + case 5 /* NullLiteral */: + case 4 /* Keyword */: + key = this.finalize(node, new Node.Identifier(token.value)); + break; + case 7 /* Punctuator */: + if (token.value === '[') { + key = this.isolateCoverGrammar(this.parseAssignmentExpression); + this.expect(']'); + } + else { + key = this.throwUnexpectedToken(token); + } + break; + default: + key = this.throwUnexpectedToken(token); + } + return key; + }; + Parser.prototype.isPropertyKey = function (key, value) { + return (key.type === syntax_1.Syntax.Identifier && key.name === value) || + (key.type === syntax_1.Syntax.Literal && key.value === value); + }; + Parser.prototype.parseObjectProperty = function (hasProto) { + var node = this.createNode(); + var token = this.lookahead; + var kind; + var key = null; + var value = null; + var computed = false; + var method = false; + var shorthand = false; + var isAsync = false; + if (token.type === 3 /* Identifier */) { + var id = token.value; + this.nextToken(); + if (id === 'async' && !this.hasLineTerminator) { + computed = this.match('['); + if (computed) { + isAsync = true; + key = this.parseObjectPropertyKey(); + } + else { + var punctuator = this.lookahead.value; + if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') { + isAsync = true; + token = this.lookahead; + id = token.value; + this.nextToken(); + } + key = this.finalize(node, new Node.Identifier(id)); + } + } + else { + key = this.finalize(node, new Node.Identifier(id)); + } + } + else if (this.match('*')) { + this.nextToken(); + } + else { + computed = this.match('['); + key = this.parseObjectPropertyKey(); + } + var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead); + if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'get' && lookaheadPropertyKey) { + kind = 'get'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + this.context.allowYield = false; + value = this.parseGetterMethod(); + } + else if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'set' && lookaheadPropertyKey) { + kind = 'set'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + value = this.parseSetterMethod(); + } + else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) { + kind = 'init'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + value = this.parseGeneratorMethod(); + method = true; + } + else { + if (!key) { + this.throwUnexpectedToken(this.lookahead); + } + kind = 'init'; + if (this.match(':') && !isAsync) { + if (!computed && this.isPropertyKey(key, '__proto__')) { + if (hasProto.value) { + this.tolerateError(messages_1.Messages.DuplicateProtoProperty); + } + hasProto.value = true; + } + this.nextToken(); + value = this.inheritCoverGrammar(this.parseAssignmentExpression); + } + else if (this.match('(')) { + value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction(); + method = true; + } + else if (token.type === 3 /* Identifier */) { + var id = this.finalize(node, new Node.Identifier(token.value)); + if (this.match('=')) { + this.context.firstCoverInitializedNameError = this.lookahead; + this.nextToken(); + shorthand = true; + var init = this.isolateCoverGrammar(this.parseAssignmentExpression); + value = this.finalize(node, new Node.AssignmentPattern(id, init)); + } + else { + shorthand = true; + value = id; + } + } + else { + this.throwUnexpectedToken(this.nextToken()); + } + } + return this.finalize(node, new Node.Property(kind, key, computed, value, method, shorthand)); + }; + Parser.prototype.parseSpreadProperty = function () { + var node = this.createNode(); + this.expect('...'); + var arg = this.inheritCoverGrammar(this.parseAssignmentExpression); + return this.finalize(node, new Node.SpreadProperty(arg)); + }; + Parser.prototype.parseObjectInitializer = function () { + var node = this.createNode(); + this.expect('{'); + var properties = []; + var hasProto = { value: false }; + while (!this.match('}')) { + properties.push(this.match('...') ? this.parseSpreadProperty() : this.parseObjectProperty(hasProto)); + if (!this.match('}')) { + this.expectCommaSeparator(); + } + } + this.expect('}'); + return this.finalize(node, new Node.ObjectExpression(properties)); + }; + // https://tc39.github.io/ecma262/#sec-template-literals + Parser.prototype.parseTemplateHead = function () { + assert_1.assert(this.lookahead.head, 'Template literal must start with a template head'); + var node = this.createNode(); + var token = this.nextToken(); + var raw = token.value; + var cooked = token.cooked; + return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail)); + }; + Parser.prototype.parseTemplateElement = function () { + if (this.lookahead.type !== 10 /* Template */) { + this.throwUnexpectedToken(); + } + var node = this.createNode(); + var token = this.nextToken(); + var raw = token.value; + var cooked = token.cooked; + return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail)); + }; + Parser.prototype.parseTemplateLiteral = function () { + var node = this.createNode(); + var expressions = []; + var quasis = []; + var quasi = this.parseTemplateHead(); + quasis.push(quasi); + while (!quasi.tail) { + expressions.push(this.parseExpression()); + quasi = this.parseTemplateElement(); + quasis.push(quasi); + } + return this.finalize(node, new Node.TemplateLiteral(quasis, expressions)); + }; + // https://tc39.github.io/ecma262/#sec-grouping-operator + Parser.prototype.reinterpretExpressionAsPattern = function (expr) { + switch (expr.type) { + case syntax_1.Syntax.Identifier: + case syntax_1.Syntax.MemberExpression: + case syntax_1.Syntax.RestElement: + case syntax_1.Syntax.AssignmentPattern: + break; + case syntax_1.Syntax.SpreadElement: + expr.type = syntax_1.Syntax.RestElement; + this.reinterpretExpressionAsPattern(expr.argument); + break; + case syntax_1.Syntax.SpreadProperty: + expr.type = syntax_1.Syntax.RestProperty; + this.reinterpretExpressionAsPattern(expr.argument); + break; + case syntax_1.Syntax.ArrayExpression: + expr.type = syntax_1.Syntax.ArrayPattern; + for (var i = 0; i < expr.elements.length; i++) { + if (expr.elements[i] !== null) { + this.reinterpretExpressionAsPattern(expr.elements[i]); + } + } + break; + case syntax_1.Syntax.ObjectExpression: + expr.type = syntax_1.Syntax.ObjectPattern; + for (var i = 0; i < expr.properties.length; i++) { + var property = expr.properties[i]; + this.reinterpretExpressionAsPattern(property.type === syntax_1.Syntax.SpreadProperty ? property : property.value); + } + break; + case syntax_1.Syntax.AssignmentExpression: + expr.type = syntax_1.Syntax.AssignmentPattern; + delete expr.operator; + this.reinterpretExpressionAsPattern(expr.left); + break; + default: + // Allow other node type for tolerant parsing. + break; + } + }; + Parser.prototype.parseGroupExpression = function () { + var expr; + this.expect('('); + if (this.match(')')) { + this.nextToken(); + if (!this.match('=>')) { + this.expect('=>'); + } + expr = { + type: ArrowParameterPlaceHolder, + params: [], + async: false + }; + } + else { + var startToken = this.lookahead; + var params = []; + if (this.match('...')) { + expr = this.parseRestElement(params); + this.expect(')'); + if (!this.match('=>')) { + this.expect('=>'); + } + expr = { + type: ArrowParameterPlaceHolder, + params: [expr], + async: false + }; + } + else { + var arrow = false; + this.context.isBindingElement = true; + expr = this.inheritCoverGrammar(this.parseAssignmentExpression); + if (this.match(',')) { + var expressions = []; + this.context.isAssignmentTarget = false; + expressions.push(expr); + while (this.lookahead.type !== 2 /* EOF */) { + if (!this.match(',')) { + break; + } + this.nextToken(); + if (this.match(')')) { + this.nextToken(); + for (var i = 0; i < expressions.length; i++) { + this.reinterpretExpressionAsPattern(expressions[i]); + } + arrow = true; + expr = { + type: ArrowParameterPlaceHolder, + params: expressions, + async: false + }; + } + else if (this.match('...')) { + if (!this.context.isBindingElement) { + this.throwUnexpectedToken(this.lookahead); + } + expressions.push(this.parseRestElement(params)); + this.expect(')'); + if (!this.match('=>')) { + this.expect('=>'); + } + this.context.isBindingElement = false; + for (var i = 0; i < expressions.length; i++) { + this.reinterpretExpressionAsPattern(expressions[i]); + } + arrow = true; + expr = { + type: ArrowParameterPlaceHolder, + params: expressions, + async: false + }; + } + else { + expressions.push(this.inheritCoverGrammar(this.parseAssignmentExpression)); + } + if (arrow) { + break; + } + } + if (!arrow) { + expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions)); + } + } + if (!arrow) { + this.expect(')'); + if (this.match('=>')) { + if (expr.type === syntax_1.Syntax.Identifier && expr.name === 'yield') { + arrow = true; + expr = { + type: ArrowParameterPlaceHolder, + params: [expr], + async: false + }; + } + if (!arrow) { + if (!this.context.isBindingElement) { + this.throwUnexpectedToken(this.lookahead); + } + if (expr.type === syntax_1.Syntax.SequenceExpression) { + for (var i = 0; i < expr.expressions.length; i++) { + this.reinterpretExpressionAsPattern(expr.expressions[i]); + } + } + else { + this.reinterpretExpressionAsPattern(expr); + } + var params_1 = (expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr]); + expr = { + type: ArrowParameterPlaceHolder, + params: params_1, + async: false + }; + } + } + this.context.isBindingElement = false; + } + } + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-left-hand-side-expressions + Parser.prototype.parseArguments = function () { + this.expect('('); + var args = []; + if (!this.match(')')) { + while (true) { + var expr = this.match('...') ? this.parseSpreadElement() : + this.isolateCoverGrammar(this.parseAssignmentExpression); + args.push(expr); + if (this.match(')')) { + break; + } + this.expectCommaSeparator(); + if (this.match(')')) { + break; + } + } + } + this.expect(')'); + return args; + }; + Parser.prototype.isIdentifierName = function (token) { + return token.type === 3 /* Identifier */ || + token.type === 4 /* Keyword */ || + token.type === 1 /* BooleanLiteral */ || + token.type === 5 /* NullLiteral */; + }; + Parser.prototype.parseIdentifierName = function () { + var node = this.createNode(); + var token = this.nextToken(); + if (!this.isIdentifierName(token)) { + this.throwUnexpectedToken(token); + } + return this.finalize(node, new Node.Identifier(token.value)); + }; + Parser.prototype.parseNewExpression = function () { + var node = this.createNode(); + var id = this.parseIdentifierName(); + assert_1.assert(id.name === 'new', 'New expression must start with `new`'); + var expr; + if (this.match('.')) { + this.nextToken(); + if (this.lookahead.type === 3 /* Identifier */ && this.context.inFunctionBody && this.lookahead.value === 'target') { + var property = this.parseIdentifierName(); + expr = new Node.MetaProperty(id, property); + } + else { + this.throwUnexpectedToken(this.lookahead); + } + } + else if (this.matchKeyword('import')) { + this.throwUnexpectedToken(this.lookahead); + } + else { + var callee = this.isolateCoverGrammar(this.parseLeftHandSideExpression); + var args = this.match('(') ? this.parseArguments() : []; + expr = new Node.NewExpression(callee, args); + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + } + return this.finalize(node, expr); + }; + Parser.prototype.parseAsyncArgument = function () { + var arg = this.parseAssignmentExpression(); + this.context.firstCoverInitializedNameError = null; + return arg; + }; + Parser.prototype.parseAsyncArguments = function () { + this.expect('('); + var args = []; + if (!this.match(')')) { + while (true) { + var expr = this.match('...') ? this.parseSpreadElement() : + this.isolateCoverGrammar(this.parseAsyncArgument); + args.push(expr); + if (this.match(')')) { + break; + } + this.expectCommaSeparator(); + if (this.match(')')) { + break; + } + } + } + this.expect(')'); + return args; + }; + Parser.prototype.matchImportCall = function () { + var match = this.matchKeyword('import'); + if (match) { + var state = this.scanner.saveState(); + this.scanner.scanComments(); + var next = this.scanner.lex(); + this.scanner.restoreState(state); + match = (next.type === 7 /* Punctuator */) && (next.value === '('); + } + return match; + }; + Parser.prototype.parseImportCall = function () { + var node = this.createNode(); + this.expectKeyword('import'); + return this.finalize(node, new Node.Import()); + }; + Parser.prototype.parseLeftHandSideExpressionAllowCall = function () { + var startToken = this.lookahead; + var maybeAsync = this.matchContextualKeyword('async'); + var previousAllowIn = this.context.allowIn; + this.context.allowIn = true; + var expr; + if (this.matchKeyword('super') && this.context.inFunctionBody) { + expr = this.createNode(); + this.nextToken(); + expr = this.finalize(expr, new Node.Super()); + if (!this.match('(') && !this.match('.') && !this.match('[')) { + this.throwUnexpectedToken(this.lookahead); + } + } + else { + expr = this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression); + } + while (true) { + if (this.match('.')) { + this.context.isBindingElement = false; + this.context.isAssignmentTarget = true; + this.expect('.'); + var property = this.parseIdentifierName(); + expr = this.finalize(this.startNode(startToken), new Node.StaticMemberExpression(expr, property)); + } + else if (this.match('(')) { + var asyncArrow = maybeAsync && (startToken.lineNumber === this.lookahead.lineNumber); + this.context.isBindingElement = false; + this.context.isAssignmentTarget = false; + var args = asyncArrow ? this.parseAsyncArguments() : this.parseArguments(); + if (expr.type === syntax_1.Syntax.Import && args.length !== 1) { + this.tolerateError(messages_1.Messages.BadImportCallArity); + } + expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args)); + if (asyncArrow && this.match('=>')) { + expr = { + type: ArrowParameterPlaceHolder, + params: args, + async: true + }; + } + } + else if (this.match('[')) { + this.context.isBindingElement = false; + this.context.isAssignmentTarget = true; + this.expect('['); + var property = this.isolateCoverGrammar(this.parseExpression); + this.expect(']'); + expr = this.finalize(this.startNode(startToken), new Node.ComputedMemberExpression(expr, property)); + } + else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) { + var quasi = this.parseTemplateLiteral(); + expr = this.finalize(this.startNode(startToken), new Node.TaggedTemplateExpression(expr, quasi)); + } + else { + break; + } + } + this.context.allowIn = previousAllowIn; + return expr; + }; + Parser.prototype.parseSuper = function () { + var node = this.createNode(); + this.expectKeyword('super'); + if (!this.match('[') && !this.match('.')) { + this.throwUnexpectedToken(this.lookahead); + } + return this.finalize(node, new Node.Super()); + }; + Parser.prototype.parseLeftHandSideExpression = function () { + assert_1.assert(this.context.allowIn, 'callee of new expression always allow in keyword.'); + var node = this.startNode(this.lookahead); + var expr = (this.matchKeyword('super') && this.context.inFunctionBody) ? this.parseSuper() : + this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression); + while (true) { + if (this.match('[')) { + this.context.isBindingElement = false; + this.context.isAssignmentTarget = true; + this.expect('['); + var property = this.isolateCoverGrammar(this.parseExpression); + this.expect(']'); + expr = this.finalize(node, new Node.ComputedMemberExpression(expr, property)); + } + else if (this.match('.')) { + this.context.isBindingElement = false; + this.context.isAssignmentTarget = true; + this.expect('.'); + var property = this.parseIdentifierName(); + expr = this.finalize(node, new Node.StaticMemberExpression(expr, property)); + } + else if (this.lookahead.type === 10 /* Template */ && this.lookahead.head) { + var quasi = this.parseTemplateLiteral(); + expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi)); + } + else { + break; + } + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-update-expressions + Parser.prototype.parseUpdateExpression = function () { + var expr; + var startToken = this.lookahead; + if (this.match('++') || this.match('--')) { + var node = this.startNode(startToken); + var token = this.nextToken(); + expr = this.inheritCoverGrammar(this.parseUnaryExpression); + if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) { + this.tolerateError(messages_1.Messages.StrictLHSPrefix); + } + if (!this.context.isAssignmentTarget) { + this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); + } + var prefix = true; + expr = this.finalize(node, new Node.UpdateExpression(token.value, expr, prefix)); + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + } + else { + expr = this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall); + if (!this.hasLineTerminator && this.lookahead.type === 7 /* Punctuator */) { + if (this.match('++') || this.match('--')) { + if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) { + this.tolerateError(messages_1.Messages.StrictLHSPostfix); + } + if (!this.context.isAssignmentTarget) { + this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); + } + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + var operator = this.nextToken().value; + var prefix = false; + expr = this.finalize(this.startNode(startToken), new Node.UpdateExpression(operator, expr, prefix)); + } + } + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-unary-operators + Parser.prototype.parseAwaitExpression = function () { + var node = this.createNode(); + this.nextToken(); + var argument = this.parseUnaryExpression(); + return this.finalize(node, new Node.AwaitExpression(argument)); + }; + Parser.prototype.parseUnaryExpression = function () { + var expr; + if (this.match('+') || this.match('-') || this.match('~') || this.match('!') || + this.matchKeyword('delete') || this.matchKeyword('void') || this.matchKeyword('typeof')) { + var node = this.startNode(this.lookahead); + var token = this.nextToken(); + expr = this.inheritCoverGrammar(this.parseUnaryExpression); + expr = this.finalize(node, new Node.UnaryExpression(token.value, expr)); + if (this.context.strict && expr.operator === 'delete' && expr.argument.type === syntax_1.Syntax.Identifier) { + this.tolerateError(messages_1.Messages.StrictDelete); + } + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + } + else if (this.context.await && this.matchContextualKeyword('await')) { + expr = this.parseAwaitExpression(); + } + else { + expr = this.parseUpdateExpression(); + } + return expr; + }; + Parser.prototype.parseExponentiationExpression = function () { + var startToken = this.lookahead; + var expr = this.inheritCoverGrammar(this.parseUnaryExpression); + if (expr.type !== syntax_1.Syntax.UnaryExpression && this.match('**')) { + this.nextToken(); + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + var left = expr; + var right = this.isolateCoverGrammar(this.parseExponentiationExpression); + expr = this.finalize(this.startNode(startToken), new Node.BinaryExpression('**', left, right)); + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-exp-operator + // https://tc39.github.io/ecma262/#sec-multiplicative-operators + // https://tc39.github.io/ecma262/#sec-additive-operators + // https://tc39.github.io/ecma262/#sec-bitwise-shift-operators + // https://tc39.github.io/ecma262/#sec-relational-operators + // https://tc39.github.io/ecma262/#sec-equality-operators + // https://tc39.github.io/ecma262/#sec-binary-bitwise-operators + // https://tc39.github.io/ecma262/#sec-binary-logical-operators + Parser.prototype.binaryPrecedence = function (token) { + var op = token.value; + var precedence; + if (token.type === 7 /* Punctuator */) { + precedence = this.operatorPrecedence[op] || 0; + } + else if (token.type === 4 /* Keyword */) { + precedence = (op === 'instanceof' || (this.context.allowIn && op === 'in')) ? 7 : 0; + } + else { + precedence = 0; + } + return precedence; + }; + Parser.prototype.parseBinaryExpression = function () { + var startToken = this.lookahead; + var expr = this.inheritCoverGrammar(this.parseExponentiationExpression); + var token = this.lookahead; + var prec = this.binaryPrecedence(token); + if (prec > 0) { + this.nextToken(); + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + var markers = [startToken, this.lookahead]; + var left = expr; + var right = this.isolateCoverGrammar(this.parseExponentiationExpression); + var stack = [left, token.value, right]; + var precedences = [prec]; + while (true) { + prec = this.binaryPrecedence(this.lookahead); + if (prec <= 0) { + break; + } + // Reduce: make a binary expression from the three topmost entries. + while ((stack.length > 2) && (prec <= precedences[precedences.length - 1])) { + right = stack.pop(); + var operator = stack.pop(); + precedences.pop(); + left = stack.pop(); + markers.pop(); + var node = this.startNode(markers[markers.length - 1]); + stack.push(this.finalize(node, new Node.BinaryExpression(operator, left, right))); + } + // Shift. + stack.push(this.nextToken().value); + precedences.push(prec); + markers.push(this.lookahead); + stack.push(this.isolateCoverGrammar(this.parseExponentiationExpression)); + } + // Final reduce to clean-up the stack. + var i = stack.length - 1; + expr = stack[i]; + markers.pop(); + while (i > 1) { + var node = this.startNode(markers.pop()); + var operator = stack[i - 1]; + expr = this.finalize(node, new Node.BinaryExpression(operator, stack[i - 2], expr)); + i -= 2; + } + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-conditional-operator + Parser.prototype.parseConditionalExpression = function () { + var startToken = this.lookahead; + var expr = this.inheritCoverGrammar(this.parseBinaryExpression); + if (this.match('?')) { + this.nextToken(); + var previousAllowIn = this.context.allowIn; + this.context.allowIn = true; + var consequent = this.isolateCoverGrammar(this.parseAssignmentExpression); + this.context.allowIn = previousAllowIn; + this.expect(':'); + var alternate = this.isolateCoverGrammar(this.parseAssignmentExpression); + expr = this.finalize(this.startNode(startToken), new Node.ConditionalExpression(expr, consequent, alternate)); + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-assignment-operators + Parser.prototype.checkPatternParam = function (options, param) { + switch (param.type) { + case syntax_1.Syntax.Identifier: + this.validateParam(options, param, param.name); + break; + case syntax_1.Syntax.RestElement: + case syntax_1.Syntax.RestProperty: + this.checkPatternParam(options, param.argument); + break; + case syntax_1.Syntax.AssignmentPattern: + this.checkPatternParam(options, param.left); + break; + case syntax_1.Syntax.ArrayPattern: + for (var i = 0; i < param.elements.length; i++) { + if (param.elements[i] !== null) { + this.checkPatternParam(options, param.elements[i]); + } + } + break; + case syntax_1.Syntax.ObjectPattern: + for (var i = 0; i < param.properties.length; i++) { + var property = param.properties[i]; + this.checkPatternParam(options, (property.type === syntax_1.Syntax.RestProperty) ? property : property.value); + } + break; + default: + break; + } + options.simple = options.simple && (param instanceof Node.Identifier); + }; + Parser.prototype.reinterpretAsCoverFormalsList = function (expr) { + var params = [expr]; + var options; + var asyncArrow = false; + switch (expr.type) { + case syntax_1.Syntax.Identifier: + break; + case ArrowParameterPlaceHolder: + params = expr.params; + asyncArrow = expr.async; + break; + default: + return null; + } + options = { + simple: true, + paramSet: {} + }; + for (var i = 0; i < params.length; ++i) { + var param = params[i]; + if (param.type === syntax_1.Syntax.AssignmentPattern) { + if (param.right.type === syntax_1.Syntax.YieldExpression) { + if (param.right.argument) { + this.throwUnexpectedToken(this.lookahead); + } + param.right.type = syntax_1.Syntax.Identifier; + param.right.name = 'yield'; + delete param.right.argument; + delete param.right.delegate; + } + } + else if (asyncArrow && param.type === syntax_1.Syntax.Identifier && param.name === 'await') { + this.throwUnexpectedToken(this.lookahead); + } + this.checkPatternParam(options, param); + params[i] = param; + } + if (this.context.strict || !this.context.allowYield) { + for (var i = 0; i < params.length; ++i) { + var param = params[i]; + if (param.type === syntax_1.Syntax.YieldExpression) { + this.throwUnexpectedToken(this.lookahead); + } + } + } + if (options.message === messages_1.Messages.StrictParamDupe) { + var token = this.context.strict ? options.stricted : options.firstRestricted; + this.throwUnexpectedToken(token, options.message); + } + return { + simple: options.simple, + params: params, + stricted: options.stricted, + firstRestricted: options.firstRestricted, + message: options.message + }; + }; + Parser.prototype.parseAssignmentExpression = function () { + var expr; + if (!this.context.allowYield && this.matchKeyword('yield')) { + expr = this.parseYieldExpression(); + } + else { + var startToken = this.lookahead; + var token = startToken; + expr = this.parseConditionalExpression(); + if (token.type === 3 /* Identifier */ && (token.lineNumber === this.lookahead.lineNumber) && token.value === 'async' && (this.lookahead.type === 3 /* Identifier */)) { + var arg = this.parsePrimaryExpression(); + expr = { + type: ArrowParameterPlaceHolder, + params: [arg], + async: true + }; + } + if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) { + // https://tc39.github.io/ecma262/#sec-arrow-function-definitions + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + var isAsync = expr.async; + var list = this.reinterpretAsCoverFormalsList(expr); + if (list) { + if (this.hasLineTerminator) { + this.tolerateUnexpectedToken(this.lookahead); + } + this.context.firstCoverInitializedNameError = null; + var previousStrict = this.context.strict; + var previousAllowStrictDirective = this.context.allowStrictDirective; + this.context.allowStrictDirective = list.simple; + var previousAllowYield = this.context.allowYield; + var previousAwait = this.context.await; + this.context.allowYield = true; + this.context.await = isAsync; + var node = this.startNode(startToken); + this.expect('=>'); + var body = this.match('{') ? this.parseFunctionSourceElements() : + this.isolateCoverGrammar(this.parseAssignmentExpression); + var expression = body.type !== syntax_1.Syntax.BlockStatement; + if (this.context.strict && list.firstRestricted) { + this.throwUnexpectedToken(list.firstRestricted, list.message); + } + if (this.context.strict && list.stricted) { + this.tolerateUnexpectedToken(list.stricted, list.message); + } + expr = isAsync ? this.finalize(node, new Node.AsyncArrowFunctionExpression(list.params, body, expression)) : + this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression)); + this.context.strict = previousStrict; + this.context.allowStrictDirective = previousAllowStrictDirective; + this.context.allowYield = previousAllowYield; + this.context.await = previousAwait; + } + } + else { + if (this.matchAssign()) { + if (!this.context.isAssignmentTarget) { + this.tolerateError(messages_1.Messages.InvalidLHSInAssignment); + } + if (this.context.strict && expr.type === syntax_1.Syntax.Identifier) { + var id = expr; + if (this.scanner.isRestrictedWord(id.name)) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictLHSAssignment); + } + if (this.scanner.isStrictModeReservedWord(id.name)) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); + } + } + if (!this.match('=')) { + this.context.isAssignmentTarget = false; + this.context.isBindingElement = false; + } + else { + this.reinterpretExpressionAsPattern(expr); + } + token = this.nextToken(); + var operator = token.value; + var right = this.isolateCoverGrammar(this.parseAssignmentExpression); + expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(operator, expr, right)); + this.context.firstCoverInitializedNameError = null; + } + } + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-comma-operator + Parser.prototype.parseExpression = function () { + var startToken = this.lookahead; + var expr = this.isolateCoverGrammar(this.parseAssignmentExpression); + if (this.match(',')) { + var expressions = []; + expressions.push(expr); + while (this.lookahead.type !== 2 /* EOF */) { + if (!this.match(',')) { + break; + } + this.nextToken(); + expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression)); + } + expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions)); + } + return expr; + }; + // https://tc39.github.io/ecma262/#sec-block + Parser.prototype.parseStatementListItem = function () { + var statement; + this.context.isAssignmentTarget = true; + this.context.isBindingElement = true; + if (this.lookahead.type === 4 /* Keyword */) { + switch (this.lookahead.value) { + case 'export': + if (!this.context.isModule) { + this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration); + } + statement = this.parseExportDeclaration(); + break; + case 'import': + if (this.matchImportCall()) { + statement = this.parseExpressionStatement(); + } + else { + if (!this.context.isModule) { + this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalImportDeclaration); + } + statement = this.parseImportDeclaration(); + } + break; + case 'const': + statement = this.parseLexicalDeclaration({ inFor: false }); + break; + case 'function': + statement = this.parseFunctionDeclaration(); + break; + case 'class': + statement = this.parseClassDeclaration(); + break; + case 'let': + statement = this.isLexicalDeclaration() ? this.parseLexicalDeclaration({ inFor: false }) : this.parseStatement(); + break; + default: + statement = this.parseStatement(); + break; + } + } + else { + statement = this.parseStatement(); + } + return statement; + }; + Parser.prototype.parseBlock = function () { + var node = this.createNode(); + this.expect('{'); + var block = []; + while (true) { + if (this.match('}')) { + break; + } + block.push(this.parseStatementListItem()); + } + this.expect('}'); + return this.finalize(node, new Node.BlockStatement(block)); + }; + // https://tc39.github.io/ecma262/#sec-let-and-const-declarations + Parser.prototype.parseLexicalBinding = function (kind, options) { + var node = this.createNode(); + var params = []; + var id = this.parsePattern(params, kind); + if (this.context.strict && id.type === syntax_1.Syntax.Identifier) { + if (this.scanner.isRestrictedWord(id.name)) { + this.tolerateError(messages_1.Messages.StrictVarName); + } + } + var init = null; + if (kind === 'const') { + if (!this.matchKeyword('in') && !this.matchContextualKeyword('of')) { + if (this.match('=')) { + this.nextToken(); + init = this.isolateCoverGrammar(this.parseAssignmentExpression); + } + else { + this.throwError(messages_1.Messages.DeclarationMissingInitializer, 'const'); + } + } + } + else if ((!options.inFor && id.type !== syntax_1.Syntax.Identifier) || this.match('=')) { + this.expect('='); + init = this.isolateCoverGrammar(this.parseAssignmentExpression); + } + return this.finalize(node, new Node.VariableDeclarator(id, init)); + }; + Parser.prototype.parseBindingList = function (kind, options) { + var list = [this.parseLexicalBinding(kind, options)]; + while (this.match(',')) { + this.nextToken(); + list.push(this.parseLexicalBinding(kind, options)); + } + return list; + }; + Parser.prototype.isLexicalDeclaration = function () { + var state = this.scanner.saveState(); + this.scanner.scanComments(); + var next = this.scanner.lex(); + this.scanner.restoreState(state); + return (next.type === 3 /* Identifier */) || + (next.type === 7 /* Punctuator */ && next.value === '[') || + (next.type === 7 /* Punctuator */ && next.value === '{') || + (next.type === 4 /* Keyword */ && next.value === 'let') || + (next.type === 4 /* Keyword */ && next.value === 'yield'); + }; + Parser.prototype.parseLexicalDeclaration = function (options) { + var node = this.createNode(); + var kind = this.nextToken().value; + assert_1.assert(kind === 'let' || kind === 'const', 'Lexical declaration must be either let or const'); + var declarations = this.parseBindingList(kind, options); + this.consumeSemicolon(); + return this.finalize(node, new Node.VariableDeclaration(declarations, kind)); + }; + // https://tc39.github.io/ecma262/#sec-destructuring-binding-patterns + Parser.prototype.parseBindingRestElement = function (params, kind) { + var node = this.createNode(); + this.expect('...'); + var arg = this.parsePattern(params, kind); + return this.finalize(node, new Node.RestElement(arg)); + }; + Parser.prototype.parseArrayPattern = function (params, kind) { + var node = this.createNode(); + this.expect('['); + var elements = []; + while (!this.match(']')) { + if (this.match(',')) { + this.nextToken(); + elements.push(null); + } + else { + if (this.match('...')) { + elements.push(this.parseBindingRestElement(params, kind)); + break; + } + else { + elements.push(this.parsePatternWithDefault(params, kind)); + } + if (!this.match(']')) { + this.expect(','); + } + } + } + this.expect(']'); + return this.finalize(node, new Node.ArrayPattern(elements)); + }; + Parser.prototype.parsePropertyPattern = function (params, kind) { + var node = this.createNode(); + var computed = false; + var shorthand = false; + var method = false; + var key; + var value; + if (this.lookahead.type === 3 /* Identifier */) { + var keyToken = this.lookahead; + key = this.parseVariableIdentifier(); + var init = this.finalize(node, new Node.Identifier(keyToken.value)); + if (this.match('=')) { + params.push(keyToken); + shorthand = true; + this.nextToken(); + var expr = this.parseAssignmentExpression(); + value = this.finalize(this.startNode(keyToken), new Node.AssignmentPattern(init, expr)); + } + else if (!this.match(':')) { + params.push(keyToken); + shorthand = true; + value = init; + } + else { + this.expect(':'); + value = this.parsePatternWithDefault(params, kind); + } + } + else { + computed = this.match('['); + key = this.parseObjectPropertyKey(); + this.expect(':'); + value = this.parsePatternWithDefault(params, kind); + } + return this.finalize(node, new Node.Property('init', key, computed, value, method, shorthand)); + }; + Parser.prototype.parseRestProperty = function (params, kind) { + var node = this.createNode(); + this.expect('...'); + var arg = this.parsePattern(params); + if (this.match('=')) { + this.throwError(messages_1.Messages.DefaultRestProperty); + } + if (!this.match('}')) { + this.throwError(messages_1.Messages.PropertyAfterRestProperty); + } + return this.finalize(node, new Node.RestProperty(arg)); + }; + Parser.prototype.parseObjectPattern = function (params, kind) { + var node = this.createNode(); + var properties = []; + this.expect('{'); + while (!this.match('}')) { + properties.push(this.match('...') ? this.parseRestProperty(params, kind) : this.parsePropertyPattern(params, kind)); + if (!this.match('}')) { + this.expect(','); + } + } + this.expect('}'); + return this.finalize(node, new Node.ObjectPattern(properties)); + }; + Parser.prototype.parsePattern = function (params, kind) { + var pattern; + if (this.match('[')) { + pattern = this.parseArrayPattern(params, kind); + } + else if (this.match('{')) { + pattern = this.parseObjectPattern(params, kind); + } + else { + if (this.matchKeyword('let') && (kind === 'const' || kind === 'let')) { + this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.LetInLexicalBinding); + } + params.push(this.lookahead); + pattern = this.parseVariableIdentifier(kind); + } + return pattern; + }; + Parser.prototype.parsePatternWithDefault = function (params, kind) { + var startToken = this.lookahead; + var pattern = this.parsePattern(params, kind); + if (this.match('=')) { + this.nextToken(); + var previousAllowYield = this.context.allowYield; + this.context.allowYield = true; + var right = this.isolateCoverGrammar(this.parseAssignmentExpression); + this.context.allowYield = previousAllowYield; + pattern = this.finalize(this.startNode(startToken), new Node.AssignmentPattern(pattern, right)); + } + return pattern; + }; + // https://tc39.github.io/ecma262/#sec-variable-statement + Parser.prototype.parseVariableIdentifier = function (kind) { + var node = this.createNode(); + var token = this.nextToken(); + if (token.type === 4 /* Keyword */ && token.value === 'yield') { + if (this.context.strict) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); + } + else if (!this.context.allowYield) { + this.throwUnexpectedToken(token); + } + } + else if (token.type !== 3 /* Identifier */) { + if (this.context.strict && token.type === 4 /* Keyword */ && this.scanner.isStrictModeReservedWord(token.value)) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord); + } + else { + if (this.context.strict || token.value !== 'let' || kind !== 'var') { + this.throwUnexpectedToken(token); + } + } + } + else if ((this.context.isModule || this.context.await) && token.type === 3 /* Identifier */ && token.value === 'await') { + this.tolerateUnexpectedToken(token); + } + return this.finalize(node, new Node.Identifier(token.value)); + }; + Parser.prototype.parseVariableDeclaration = function (options) { + var node = this.createNode(); + var params = []; + var id = this.parsePattern(params, 'var'); + if (this.context.strict && id.type === syntax_1.Syntax.Identifier) { + if (this.scanner.isRestrictedWord(id.name)) { + this.tolerateError(messages_1.Messages.StrictVarName); + } + } + var init = null; + if (this.match('=')) { + this.nextToken(); + init = this.isolateCoverGrammar(this.parseAssignmentExpression); + } + else if (id.type !== syntax_1.Syntax.Identifier && !options.inFor) { + this.expect('='); + } + return this.finalize(node, new Node.VariableDeclarator(id, init)); + }; + Parser.prototype.parseVariableDeclarationList = function (options) { + var opt = { inFor: options.inFor }; + var list = []; + list.push(this.parseVariableDeclaration(opt)); + while (this.match(',')) { + this.nextToken(); + list.push(this.parseVariableDeclaration(opt)); + } + return list; + }; + Parser.prototype.parseVariableStatement = function () { + var node = this.createNode(); + this.expectKeyword('var'); + var declarations = this.parseVariableDeclarationList({ inFor: false }); + this.consumeSemicolon(); + return this.finalize(node, new Node.VariableDeclaration(declarations, 'var')); + }; + // https://tc39.github.io/ecma262/#sec-empty-statement + Parser.prototype.parseEmptyStatement = function () { + var node = this.createNode(); + this.expect(';'); + return this.finalize(node, new Node.EmptyStatement()); + }; + // https://tc39.github.io/ecma262/#sec-expression-statement + Parser.prototype.parseExpressionStatement = function () { + var node = this.createNode(); + var expr = this.parseExpression(); + this.consumeSemicolon(); + return this.finalize(node, new Node.ExpressionStatement(expr)); + }; + // https://tc39.github.io/ecma262/#sec-if-statement + Parser.prototype.parseIfClause = function () { + if (this.context.strict && this.matchKeyword('function')) { + this.tolerateError(messages_1.Messages.StrictFunction); + } + return this.parseStatement(); + }; + Parser.prototype.parseIfStatement = function () { + var node = this.createNode(); + var consequent; + var alternate = null; + this.expectKeyword('if'); + this.expect('('); + var test = this.parseExpression(); + if (!this.match(')') && this.config.tolerant) { + this.tolerateUnexpectedToken(this.nextToken()); + consequent = this.finalize(this.createNode(), new Node.EmptyStatement()); + } + else { + this.expect(')'); + consequent = this.parseIfClause(); + if (this.matchKeyword('else')) { + this.nextToken(); + alternate = this.parseIfClause(); + } + } + return this.finalize(node, new Node.IfStatement(test, consequent, alternate)); + }; + // https://tc39.github.io/ecma262/#sec-do-while-statement + Parser.prototype.parseDoWhileStatement = function () { + var node = this.createNode(); + this.expectKeyword('do'); + var previousInIteration = this.context.inIteration; + this.context.inIteration = true; + var body = this.parseStatement(); + this.context.inIteration = previousInIteration; + this.expectKeyword('while'); + this.expect('('); + var test = this.parseExpression(); + if (!this.match(')') && this.config.tolerant) { + this.tolerateUnexpectedToken(this.nextToken()); + } + else { + this.expect(')'); + if (this.match(';')) { + this.nextToken(); + } + } + return this.finalize(node, new Node.DoWhileStatement(body, test)); + }; + // https://tc39.github.io/ecma262/#sec-while-statement + Parser.prototype.parseWhileStatement = function () { + var node = this.createNode(); + var body; + this.expectKeyword('while'); + this.expect('('); + var test = this.parseExpression(); + if (!this.match(')') && this.config.tolerant) { + this.tolerateUnexpectedToken(this.nextToken()); + body = this.finalize(this.createNode(), new Node.EmptyStatement()); + } + else { + this.expect(')'); + var previousInIteration = this.context.inIteration; + this.context.inIteration = true; + body = this.parseStatement(); + this.context.inIteration = previousInIteration; + } + return this.finalize(node, new Node.WhileStatement(test, body)); + }; + // https://tc39.github.io/ecma262/#sec-for-statement + // https://tc39.github.io/ecma262/#sec-for-in-and-for-of-statements + Parser.prototype.parseForStatement = function () { + var init = null; + var test = null; + var update = null; + var forIn = true; + var left, right; + var node = this.createNode(); + this.expectKeyword('for'); + this.expect('('); + if (this.match(';')) { + this.nextToken(); + } + else { + if (this.matchKeyword('var')) { + init = this.createNode(); + this.nextToken(); + var previousAllowIn = this.context.allowIn; + this.context.allowIn = false; + var declarations = this.parseVariableDeclarationList({ inFor: true }); + this.context.allowIn = previousAllowIn; + if (declarations.length === 1 && this.matchKeyword('in')) { + var decl = declarations[0]; + if (decl.init && (decl.id.type === syntax_1.Syntax.ArrayPattern || decl.id.type === syntax_1.Syntax.ObjectPattern || this.context.strict)) { + this.tolerateError(messages_1.Messages.ForInOfLoopInitializer, 'for-in'); + } + init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); + this.nextToken(); + left = init; + right = this.parseExpression(); + init = null; + } + else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) { + init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); + this.nextToken(); + left = init; + right = this.parseAssignmentExpression(); + init = null; + forIn = false; + } + else { + init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var')); + this.expect(';'); + } + } + else if (this.matchKeyword('const') || this.matchKeyword('let')) { + init = this.createNode(); + var kind = this.nextToken().value; + if (!this.context.strict && this.lookahead.value === 'in') { + init = this.finalize(init, new Node.Identifier(kind)); + this.nextToken(); + left = init; + right = this.parseExpression(); + init = null; + } + else { + var previousAllowIn = this.context.allowIn; + this.context.allowIn = false; + var declarations = this.parseBindingList(kind, { inFor: true }); + this.context.allowIn = previousAllowIn; + if (declarations.length === 1 && declarations[0].init === null && this.matchKeyword('in')) { + init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); + this.nextToken(); + left = init; + right = this.parseExpression(); + init = null; + } + else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) { + init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); + this.nextToken(); + left = init; + right = this.parseAssignmentExpression(); + init = null; + forIn = false; + } + else { + this.consumeSemicolon(); + init = this.finalize(init, new Node.VariableDeclaration(declarations, kind)); + } + } + } + else { + var initStartToken = this.lookahead; + var previousAllowIn = this.context.allowIn; + this.context.allowIn = false; + init = this.inheritCoverGrammar(this.parseAssignmentExpression); + this.context.allowIn = previousAllowIn; + if (this.matchKeyword('in')) { + if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) { + this.tolerateError(messages_1.Messages.InvalidLHSInForIn); + } + this.nextToken(); + this.reinterpretExpressionAsPattern(init); + left = init; + right = this.parseExpression(); + init = null; + } + else if (this.matchContextualKeyword('of')) { + if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) { + this.tolerateError(messages_1.Messages.InvalidLHSInForLoop); + } + this.nextToken(); + this.reinterpretExpressionAsPattern(init); + left = init; + right = this.parseAssignmentExpression(); + init = null; + forIn = false; + } + else { + if (this.match(',')) { + var initSeq = [init]; + while (this.match(',')) { + this.nextToken(); + initSeq.push(this.isolateCoverGrammar(this.parseAssignmentExpression)); + } + init = this.finalize(this.startNode(initStartToken), new Node.SequenceExpression(initSeq)); + } + this.expect(';'); + } + } + } + if (typeof left === 'undefined') { + if (!this.match(';')) { + test = this.parseExpression(); + } + this.expect(';'); + if (!this.match(')')) { + update = this.parseExpression(); + } + } + var body; + if (!this.match(')') && this.config.tolerant) { + this.tolerateUnexpectedToken(this.nextToken()); + body = this.finalize(this.createNode(), new Node.EmptyStatement()); + } + else { + this.expect(')'); + var previousInIteration = this.context.inIteration; + this.context.inIteration = true; + body = this.isolateCoverGrammar(this.parseStatement); + this.context.inIteration = previousInIteration; + } + return (typeof left === 'undefined') ? + this.finalize(node, new Node.ForStatement(init, test, update, body)) : + forIn ? this.finalize(node, new Node.ForInStatement(left, right, body)) : + this.finalize(node, new Node.ForOfStatement(left, right, body)); + }; + // https://tc39.github.io/ecma262/#sec-continue-statement + Parser.prototype.parseContinueStatement = function () { + var node = this.createNode(); + this.expectKeyword('continue'); + var label = null; + if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) { + var id = this.parseVariableIdentifier(); + label = id; + var key = '$' + id.name; + if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { + this.throwError(messages_1.Messages.UnknownLabel, id.name); + } + } + this.consumeSemicolon(); + if (label === null && !this.context.inIteration) { + this.throwError(messages_1.Messages.IllegalContinue); + } + return this.finalize(node, new Node.ContinueStatement(label)); + }; + // https://tc39.github.io/ecma262/#sec-break-statement + Parser.prototype.parseBreakStatement = function () { + var node = this.createNode(); + this.expectKeyword('break'); + var label = null; + if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) { + var id = this.parseVariableIdentifier(); + var key = '$' + id.name; + if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { + this.throwError(messages_1.Messages.UnknownLabel, id.name); + } + label = id; + } + this.consumeSemicolon(); + if (label === null && !this.context.inIteration && !this.context.inSwitch) { + this.throwError(messages_1.Messages.IllegalBreak); + } + return this.finalize(node, new Node.BreakStatement(label)); + }; + // https://tc39.github.io/ecma262/#sec-return-statement + Parser.prototype.parseReturnStatement = function () { + if (!this.context.inFunctionBody) { + this.tolerateError(messages_1.Messages.IllegalReturn); + } + var node = this.createNode(); + this.expectKeyword('return'); + var hasArgument = !this.match(';') && !this.match('}') && + !this.hasLineTerminator && this.lookahead.type !== 2 /* EOF */; + var argument = hasArgument ? this.parseExpression() : null; + this.consumeSemicolon(); + return this.finalize(node, new Node.ReturnStatement(argument)); + }; + // https://tc39.github.io/ecma262/#sec-with-statement + Parser.prototype.parseWithStatement = function () { + if (this.context.strict) { + this.tolerateError(messages_1.Messages.StrictModeWith); + } + var node = this.createNode(); + var body; + this.expectKeyword('with'); + this.expect('('); + var object = this.parseExpression(); + if (!this.match(')') && this.config.tolerant) { + this.tolerateUnexpectedToken(this.nextToken()); + body = this.finalize(this.createNode(), new Node.EmptyStatement()); + } + else { + this.expect(')'); + body = this.parseStatement(); + } + return this.finalize(node, new Node.WithStatement(object, body)); + }; + // https://tc39.github.io/ecma262/#sec-switch-statement + Parser.prototype.parseSwitchCase = function () { + var node = this.createNode(); + var test; + if (this.matchKeyword('default')) { + this.nextToken(); + test = null; + } + else { + this.expectKeyword('case'); + test = this.parseExpression(); + } + this.expect(':'); + var consequent = []; + while (true) { + if (this.match('}') || this.matchKeyword('default') || this.matchKeyword('case')) { + break; + } + consequent.push(this.parseStatementListItem()); + } + return this.finalize(node, new Node.SwitchCase(test, consequent)); + }; + Parser.prototype.parseSwitchStatement = function () { + var node = this.createNode(); + this.expectKeyword('switch'); + this.expect('('); + var discriminant = this.parseExpression(); + this.expect(')'); + var previousInSwitch = this.context.inSwitch; + this.context.inSwitch = true; + var cases = []; + var defaultFound = false; + this.expect('{'); + while (true) { + if (this.match('}')) { + break; + } + var clause = this.parseSwitchCase(); + if (clause.test === null) { + if (defaultFound) { + this.throwError(messages_1.Messages.MultipleDefaultsInSwitch); + } + defaultFound = true; + } + cases.push(clause); + } + this.expect('}'); + this.context.inSwitch = previousInSwitch; + return this.finalize(node, new Node.SwitchStatement(discriminant, cases)); + }; + // https://tc39.github.io/ecma262/#sec-labelled-statements + Parser.prototype.parseLabelledStatement = function () { + var node = this.createNode(); + var expr = this.parseExpression(); + var statement; + if ((expr.type === syntax_1.Syntax.Identifier) && this.match(':')) { + this.nextToken(); + var id = expr; + var key = '$' + id.name; + if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) { + this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name); + } + this.context.labelSet[key] = true; + var body = void 0; + if (this.matchKeyword('class')) { + this.tolerateUnexpectedToken(this.lookahead); + body = this.parseClassDeclaration(); + } + else if (this.matchKeyword('function')) { + var token = this.lookahead; + var declaration = this.parseFunctionDeclaration(); + if (this.context.strict) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunction); + } + else if (declaration.generator) { + this.tolerateUnexpectedToken(token, messages_1.Messages.GeneratorInLegacyContext); + } + body = declaration; + } + else { + body = this.parseStatement(); + } + delete this.context.labelSet[key]; + statement = new Node.LabeledStatement(id, body); + } + else { + this.consumeSemicolon(); + statement = new Node.ExpressionStatement(expr); + } + return this.finalize(node, statement); + }; + // https://tc39.github.io/ecma262/#sec-throw-statement + Parser.prototype.parseThrowStatement = function () { + var node = this.createNode(); + this.expectKeyword('throw'); + if (this.hasLineTerminator) { + this.throwError(messages_1.Messages.NewlineAfterThrow); + } + var argument = this.parseExpression(); + this.consumeSemicolon(); + return this.finalize(node, new Node.ThrowStatement(argument)); + }; + // https://tc39.github.io/ecma262/#sec-try-statement + Parser.prototype.parseCatchClause = function () { + var node = this.createNode(); + this.expectKeyword('catch'); + this.expect('('); + if (this.match(')')) { + this.throwUnexpectedToken(this.lookahead); + } + var params = []; + var param = this.parsePattern(params); + var paramMap = {}; + for (var i = 0; i < params.length; i++) { + var key = '$' + params[i].value; + if (Object.prototype.hasOwnProperty.call(paramMap, key)) { + this.tolerateError(messages_1.Messages.DuplicateBinding, params[i].value); + } + paramMap[key] = true; + } + if (this.context.strict && param.type === syntax_1.Syntax.Identifier) { + if (this.scanner.isRestrictedWord(param.name)) { + this.tolerateError(messages_1.Messages.StrictCatchVariable); + } + } + this.expect(')'); + var body = this.parseBlock(); + return this.finalize(node, new Node.CatchClause(param, body)); + }; + Parser.prototype.parseFinallyClause = function () { + this.expectKeyword('finally'); + return this.parseBlock(); + }; + Parser.prototype.parseTryStatement = function () { + var node = this.createNode(); + this.expectKeyword('try'); + var block = this.parseBlock(); + var handler = this.matchKeyword('catch') ? this.parseCatchClause() : null; + var finalizer = this.matchKeyword('finally') ? this.parseFinallyClause() : null; + if (!handler && !finalizer) { + this.throwError(messages_1.Messages.NoCatchOrFinally); + } + return this.finalize(node, new Node.TryStatement(block, handler, finalizer)); + }; + // https://tc39.github.io/ecma262/#sec-debugger-statement + Parser.prototype.parseDebuggerStatement = function () { + var node = this.createNode(); + this.expectKeyword('debugger'); + this.consumeSemicolon(); + return this.finalize(node, new Node.DebuggerStatement()); + }; + // https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations + Parser.prototype.parseStatement = function () { + var statement; + switch (this.lookahead.type) { + case 1 /* BooleanLiteral */: + case 5 /* NullLiteral */: + case 6 /* NumericLiteral */: + case 8 /* StringLiteral */: + case 10 /* Template */: + case 9 /* RegularExpression */: + statement = this.parseExpressionStatement(); + break; + case 7 /* Punctuator */: + var value = this.lookahead.value; + if (value === '{') { + statement = this.parseBlock(); + } + else if (value === '(') { + statement = this.parseExpressionStatement(); + } + else if (value === ';') { + statement = this.parseEmptyStatement(); + } + else { + statement = this.parseExpressionStatement(); + } + break; + case 3 /* Identifier */: + statement = this.matchAsyncFunction() ? this.parseFunctionDeclaration() : this.parseLabelledStatement(); + break; + case 4 /* Keyword */: + switch (this.lookahead.value) { + case 'break': + statement = this.parseBreakStatement(); + break; + case 'continue': + statement = this.parseContinueStatement(); + break; + case 'debugger': + statement = this.parseDebuggerStatement(); + break; + case 'do': + statement = this.parseDoWhileStatement(); + break; + case 'for': + statement = this.parseForStatement(); + break; + case 'function': + statement = this.parseFunctionDeclaration(); + break; + case 'if': + statement = this.parseIfStatement(); + break; + case 'return': + statement = this.parseReturnStatement(); + break; + case 'switch': + statement = this.parseSwitchStatement(); + break; + case 'throw': + statement = this.parseThrowStatement(); + break; + case 'try': + statement = this.parseTryStatement(); + break; + case 'var': + statement = this.parseVariableStatement(); + break; + case 'while': + statement = this.parseWhileStatement(); + break; + case 'with': + statement = this.parseWithStatement(); + break; + default: + statement = this.parseExpressionStatement(); + break; + } + break; + default: + statement = this.throwUnexpectedToken(this.lookahead); + } + return statement; + }; + // https://tc39.github.io/ecma262/#sec-function-definitions + Parser.prototype.parseFunctionSourceElements = function () { + var node = this.createNode(); + this.expect('{'); + var body = this.parseDirectivePrologues(); + var previousLabelSet = this.context.labelSet; + var previousInIteration = this.context.inIteration; + var previousInSwitch = this.context.inSwitch; + var previousInFunctionBody = this.context.inFunctionBody; + this.context.labelSet = {}; + this.context.inIteration = false; + this.context.inSwitch = false; + this.context.inFunctionBody = true; + while (this.lookahead.type !== 2 /* EOF */) { + if (this.match('}')) { + break; + } + body.push(this.parseStatementListItem()); + } + this.expect('}'); + this.context.labelSet = previousLabelSet; + this.context.inIteration = previousInIteration; + this.context.inSwitch = previousInSwitch; + this.context.inFunctionBody = previousInFunctionBody; + return this.finalize(node, new Node.BlockStatement(body)); + }; + Parser.prototype.validateParam = function (options, param, name) { + var key = '$' + name; + if (this.context.strict) { + if (this.scanner.isRestrictedWord(name)) { + options.stricted = param; + options.message = messages_1.Messages.StrictParamName; + } + if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) { + options.stricted = param; + options.message = messages_1.Messages.StrictParamDupe; + } + } + else if (!options.firstRestricted) { + if (this.scanner.isRestrictedWord(name)) { + options.firstRestricted = param; + options.message = messages_1.Messages.StrictParamName; + } + else if (this.scanner.isStrictModeReservedWord(name)) { + options.firstRestricted = param; + options.message = messages_1.Messages.StrictReservedWord; + } + else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) { + options.stricted = param; + options.message = messages_1.Messages.StrictParamDupe; + } + } + /* istanbul ignore next */ + if (typeof Object.defineProperty === 'function') { + Object.defineProperty(options.paramSet, key, { value: true, enumerable: true, writable: true, configurable: true }); + } + else { + options.paramSet[key] = true; + } + }; + Parser.prototype.parseRestElement = function (params) { + var node = this.createNode(); + this.expect('...'); + var arg = this.parsePattern(params); + if (this.match('=')) { + this.throwError(messages_1.Messages.DefaultRestParameter); + } + if (!this.match(')')) { + this.throwError(messages_1.Messages.ParameterAfterRestParameter); + } + return this.finalize(node, new Node.RestElement(arg)); + }; + Parser.prototype.parseFormalParameter = function (options) { + var params = []; + var param = this.match('...') ? this.parseRestElement(params) : this.parsePatternWithDefault(params); + for (var i = 0; i < params.length; i++) { + this.validateParam(options, params[i], params[i].value); + } + options.simple = options.simple && (param instanceof Node.Identifier); + options.params.push(param); + }; + Parser.prototype.parseFormalParameters = function (firstRestricted) { + var options; + options = { + simple: true, + params: [], + firstRestricted: firstRestricted + }; + this.expect('('); + if (!this.match(')')) { + options.paramSet = {}; + while (this.lookahead.type !== 2 /* EOF */) { + this.parseFormalParameter(options); + if (this.match(')')) { + break; + } + this.expect(','); + if (this.match(')')) { + break; + } + } + } + this.expect(')'); + return { + simple: options.simple, + params: options.params, + stricted: options.stricted, + firstRestricted: options.firstRestricted, + message: options.message + }; + }; + Parser.prototype.matchAsyncFunction = function () { + var match = this.matchContextualKeyword('async'); + if (match) { + var state = this.scanner.saveState(); + this.scanner.scanComments(); + var next = this.scanner.lex(); + this.scanner.restoreState(state); + match = (state.lineNumber === next.lineNumber) && (next.type === 4 /* Keyword */) && (next.value === 'function'); + } + return match; + }; + Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) { + var node = this.createNode(); + var isAsync = this.matchContextualKeyword('async'); + if (isAsync) { + this.nextToken(); + } + this.expectKeyword('function'); + var isGenerator = isAsync ? false : this.match('*'); + if (isGenerator) { + this.nextToken(); + } + var message; + var id = null; + var firstRestricted = null; + if (!identifierIsOptional || !this.match('(')) { + var token = this.lookahead; + id = this.parseVariableIdentifier(); + if (this.context.strict) { + if (this.scanner.isRestrictedWord(token.value)) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName); + } + } + else { + if (this.scanner.isRestrictedWord(token.value)) { + firstRestricted = token; + message = messages_1.Messages.StrictFunctionName; + } + else if (this.scanner.isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = messages_1.Messages.StrictReservedWord; + } + } + } + var previousAllowAwait = this.context.await; + var previousAllowYield = this.context.allowYield; + this.context.await = isAsync; + this.context.allowYield = !isGenerator; + var formalParameters = this.parseFormalParameters(firstRestricted); + var params = formalParameters.params; + var stricted = formalParameters.stricted; + firstRestricted = formalParameters.firstRestricted; + if (formalParameters.message) { + message = formalParameters.message; + } + var previousStrict = this.context.strict; + var previousAllowStrictDirective = this.context.allowStrictDirective; + this.context.allowStrictDirective = formalParameters.simple; + var body = this.parseFunctionSourceElements(); + if (this.context.strict && firstRestricted) { + this.throwUnexpectedToken(firstRestricted, message); + } + if (this.context.strict && stricted) { + this.tolerateUnexpectedToken(stricted, message); + } + this.context.strict = previousStrict; + this.context.allowStrictDirective = previousAllowStrictDirective; + this.context.await = previousAllowAwait; + this.context.allowYield = previousAllowYield; + return isAsync ? this.finalize(node, new Node.AsyncFunctionDeclaration(id, params, body)) : + this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator)); + }; + Parser.prototype.parseFunctionExpression = function () { + var node = this.createNode(); + var isAsync = this.matchContextualKeyword('async'); + if (isAsync) { + this.nextToken(); + } + this.expectKeyword('function'); + var isGenerator = isAsync ? false : this.match('*'); + if (isGenerator) { + this.nextToken(); + } + var message; + var id = null; + var firstRestricted; + var previousAllowAwait = this.context.await; + var previousAllowYield = this.context.allowYield; + this.context.await = isAsync; + this.context.allowYield = !isGenerator; + if (!this.match('(')) { + var token = this.lookahead; + id = (!this.context.strict && !isGenerator && this.matchKeyword('yield')) ? this.parseIdentifierName() : this.parseVariableIdentifier(); + if (this.context.strict) { + if (this.scanner.isRestrictedWord(token.value)) { + this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName); + } + } + else { + if (this.scanner.isRestrictedWord(token.value)) { + firstRestricted = token; + message = messages_1.Messages.StrictFunctionName; + } + else if (this.scanner.isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = messages_1.Messages.StrictReservedWord; + } + } + } + var formalParameters = this.parseFormalParameters(firstRestricted); + var params = formalParameters.params; + var stricted = formalParameters.stricted; + firstRestricted = formalParameters.firstRestricted; + if (formalParameters.message) { + message = formalParameters.message; + } + var previousStrict = this.context.strict; + var previousAllowStrictDirective = this.context.allowStrictDirective; + this.context.allowStrictDirective = formalParameters.simple; + var body = this.parseFunctionSourceElements(); + if (this.context.strict && firstRestricted) { + this.throwUnexpectedToken(firstRestricted, message); + } + if (this.context.strict && stricted) { + this.tolerateUnexpectedToken(stricted, message); + } + this.context.strict = previousStrict; + this.context.allowStrictDirective = previousAllowStrictDirective; + this.context.await = previousAllowAwait; + this.context.allowYield = previousAllowYield; + return isAsync ? this.finalize(node, new Node.AsyncFunctionExpression(id, params, body)) : + this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator)); + }; + // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive + Parser.prototype.parseDirective = function () { + var token = this.lookahead; + var node = this.createNode(); + var expr = this.parseExpression(); + var directive = (expr.type === syntax_1.Syntax.Literal) ? this.getTokenRaw(token).slice(1, -1) : null; + this.consumeSemicolon(); + return this.finalize(node, directive ? new Node.Directive(expr, directive) : new Node.ExpressionStatement(expr)); + }; + Parser.prototype.parseDirectivePrologues = function () { + var firstRestricted = null; + var body = []; + while (true) { + var token = this.lookahead; + if (token.type !== 8 /* StringLiteral */) { + break; + } + var statement = this.parseDirective(); + body.push(statement); + var directive = statement.directive; + if (typeof directive !== 'string') { + break; + } + if (directive === 'use strict') { + this.context.strict = true; + if (firstRestricted) { + this.tolerateUnexpectedToken(firstRestricted, messages_1.Messages.StrictOctalLiteral); + } + if (!this.context.allowStrictDirective) { + this.tolerateUnexpectedToken(token, messages_1.Messages.IllegalLanguageModeDirective); + } + } + else { + if (!firstRestricted && token.octal) { + firstRestricted = token; + } + } + } + return body; + }; + // https://tc39.github.io/ecma262/#sec-method-definitions + Parser.prototype.qualifiedPropertyName = function (token) { + switch (token.type) { + case 3 /* Identifier */: + case 8 /* StringLiteral */: + case 1 /* BooleanLiteral */: + case 5 /* NullLiteral */: + case 6 /* NumericLiteral */: + case 4 /* Keyword */: + return true; + case 7 /* Punctuator */: + return token.value === '['; + default: + break; + } + return false; + }; + Parser.prototype.parseGetterMethod = function () { + var node = this.createNode(); + var isGenerator = false; + var previousAllowYield = this.context.allowYield; + this.context.allowYield = false; + var formalParameters = this.parseFormalParameters(); + if (formalParameters.params.length > 0) { + this.tolerateError(messages_1.Messages.BadGetterArity); + } + var method = this.parsePropertyMethod(formalParameters); + this.context.allowYield = previousAllowYield; + return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator)); + }; + Parser.prototype.parseSetterMethod = function () { + var node = this.createNode(); + var isGenerator = false; + var previousAllowYield = this.context.allowYield; + this.context.allowYield = false; + var formalParameters = this.parseFormalParameters(); + if (formalParameters.params.length !== 1) { + this.tolerateError(messages_1.Messages.BadSetterArity); + } + else if (formalParameters.params[0] instanceof Node.RestElement) { + this.tolerateError(messages_1.Messages.BadSetterRestParameter); + } + var method = this.parsePropertyMethod(formalParameters); + this.context.allowYield = previousAllowYield; + return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator)); + }; + Parser.prototype.parseGeneratorMethod = function () { + var node = this.createNode(); + var isGenerator = true; + var previousAllowYield = this.context.allowYield; + this.context.allowYield = true; + var params = this.parseFormalParameters(); + this.context.allowYield = false; + var method = this.parsePropertyMethod(params); + this.context.allowYield = previousAllowYield; + return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator)); + }; + // https://tc39.github.io/ecma262/#sec-generator-function-definitions + Parser.prototype.isStartOfExpression = function () { + var start = true; + var value = this.lookahead.value; + switch (this.lookahead.type) { + case 7 /* Punctuator */: + start = (value === '[') || (value === '(') || (value === '{') || + (value === '+') || (value === '-') || + (value === '!') || (value === '~') || + (value === '++') || (value === '--') || + (value === '/') || (value === '/='); // regular expression literal + break; + case 4 /* Keyword */: + start = (value === 'class') || (value === 'delete') || + (value === 'function') || (value === 'let') || (value === 'new') || + (value === 'super') || (value === 'this') || (value === 'typeof') || + (value === 'void') || (value === 'yield'); + break; + default: + break; + } + return start; + }; + Parser.prototype.parseYieldExpression = function () { + var node = this.createNode(); + this.expectKeyword('yield'); + var argument = null; + var delegate = false; + if (!this.hasLineTerminator) { + var previousAllowYield = this.context.allowYield; + this.context.allowYield = false; + delegate = this.match('*'); + if (delegate) { + this.nextToken(); + argument = this.parseAssignmentExpression(); + } + else if (this.isStartOfExpression()) { + argument = this.parseAssignmentExpression(); + } + this.context.allowYield = previousAllowYield; + } + return this.finalize(node, new Node.YieldExpression(argument, delegate)); + }; + // https://tc39.github.io/ecma262/#sec-class-definitions + Parser.prototype.parseClassElement = function (hasConstructor) { + var token = this.lookahead; + var node = this.createNode(); + var kind = ''; + var key = null; + var value = null; + var computed = false; + var method = false; + var isStatic = false; + var isAsync = false; + if (this.match('*')) { + this.nextToken(); + } + else { + computed = this.match('['); + key = this.parseObjectPropertyKey(); + var id = key; + if (id.name === 'static' && (this.qualifiedPropertyName(this.lookahead) || this.match('*'))) { + token = this.lookahead; + isStatic = true; + computed = this.match('['); + if (this.match('*')) { + this.nextToken(); + } + else { + key = this.parseObjectPropertyKey(); + } + } + if ((token.type === 3 /* Identifier */) && !this.hasLineTerminator && (token.value === 'async')) { + var punctuator = this.lookahead.value; + if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') { + isAsync = true; + token = this.lookahead; + key = this.parseObjectPropertyKey(); + if (token.type === 3 /* Identifier */) { + if (token.value === 'get' || token.value === 'set') { + this.tolerateUnexpectedToken(token); + } + else if (token.value === 'constructor') { + this.tolerateUnexpectedToken(token, messages_1.Messages.ConstructorIsAsync); + } + } + } + } + } + var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead); + if (token.type === 3 /* Identifier */) { + if (token.value === 'get' && lookaheadPropertyKey) { + kind = 'get'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + this.context.allowYield = false; + value = this.parseGetterMethod(); + } + else if (token.value === 'set' && lookaheadPropertyKey) { + kind = 'set'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + value = this.parseSetterMethod(); + } + } + else if (token.type === 7 /* Punctuator */ && token.value === '*' && lookaheadPropertyKey) { + kind = 'init'; + computed = this.match('['); + key = this.parseObjectPropertyKey(); + value = this.parseGeneratorMethod(); + method = true; + } + if (!kind && key && this.match('(')) { + kind = 'init'; + value = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction(); + method = true; + } + if (!kind) { + this.throwUnexpectedToken(this.lookahead); + } + if (kind === 'init') { + kind = 'method'; + } + if (!computed) { + if (isStatic && this.isPropertyKey(key, 'prototype')) { + this.throwUnexpectedToken(token, messages_1.Messages.StaticPrototype); + } + if (!isStatic && this.isPropertyKey(key, 'constructor')) { + if (kind !== 'method' || !method || (value && value.generator)) { + this.throwUnexpectedToken(token, messages_1.Messages.ConstructorSpecialMethod); + } + if (hasConstructor.value) { + this.throwUnexpectedToken(token, messages_1.Messages.DuplicateConstructor); + } + else { + hasConstructor.value = true; + } + kind = 'constructor'; + } + } + return this.finalize(node, new Node.MethodDefinition(key, computed, value, kind, isStatic)); + }; + Parser.prototype.parseClassElementList = function () { + var body = []; + var hasConstructor = { value: false }; + this.expect('{'); + while (!this.match('}')) { + if (this.match(';')) { + this.nextToken(); + } + else { + body.push(this.parseClassElement(hasConstructor)); + } + } + this.expect('}'); + return body; + }; + Parser.prototype.parseClassBody = function () { + var node = this.createNode(); + var elementList = this.parseClassElementList(); + return this.finalize(node, new Node.ClassBody(elementList)); + }; + Parser.prototype.parseClassDeclaration = function (identifierIsOptional) { + var node = this.createNode(); + var previousStrict = this.context.strict; + this.context.strict = true; + this.expectKeyword('class'); + var id = (identifierIsOptional && (this.lookahead.type !== 3 /* Identifier */)) ? null : this.parseVariableIdentifier(); + var superClass = null; + if (this.matchKeyword('extends')) { + this.nextToken(); + superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall); + } + var classBody = this.parseClassBody(); + this.context.strict = previousStrict; + return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody)); + }; + Parser.prototype.parseClassExpression = function () { + var node = this.createNode(); + var previousStrict = this.context.strict; + this.context.strict = true; + this.expectKeyword('class'); + var id = (this.lookahead.type === 3 /* Identifier */) ? this.parseVariableIdentifier() : null; + var superClass = null; + if (this.matchKeyword('extends')) { + this.nextToken(); + superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall); + } + var classBody = this.parseClassBody(); + this.context.strict = previousStrict; + return this.finalize(node, new Node.ClassExpression(id, superClass, classBody)); + }; + // https://tc39.github.io/ecma262/#sec-scripts + // https://tc39.github.io/ecma262/#sec-modules + Parser.prototype.parseModule = function () { + this.context.strict = true; + this.context.isModule = true; + var node = this.createNode(); + var body = this.parseDirectivePrologues(); + while (this.lookahead.type !== 2 /* EOF */) { + body.push(this.parseStatementListItem()); + } + return this.finalize(node, new Node.Module(body)); + }; + Parser.prototype.parseScript = function () { + var node = this.createNode(); + var body = this.parseDirectivePrologues(); + while (this.lookahead.type !== 2 /* EOF */) { + body.push(this.parseStatementListItem()); + } + return this.finalize(node, new Node.Script(body)); + }; + // https://tc39.github.io/ecma262/#sec-imports + Parser.prototype.parseModuleSpecifier = function () { + var node = this.createNode(); + if (this.lookahead.type !== 8 /* StringLiteral */) { + this.throwError(messages_1.Messages.InvalidModuleSpecifier); + } + var token = this.nextToken(); + var raw = this.getTokenRaw(token); + return this.finalize(node, new Node.Literal(token.value, raw)); + }; + // import {<foo as bar>} ...; + Parser.prototype.parseImportSpecifier = function () { + var node = this.createNode(); + var imported; + var local; + if (this.lookahead.type === 3 /* Identifier */) { + imported = this.parseVariableIdentifier(); + local = imported; + if (this.matchContextualKeyword('as')) { + this.nextToken(); + local = this.parseVariableIdentifier(); + } + } + else { + imported = this.parseIdentifierName(); + local = imported; + if (this.matchContextualKeyword('as')) { + this.nextToken(); + local = this.parseVariableIdentifier(); + } + else { + this.throwUnexpectedToken(this.nextToken()); + } + } + return this.finalize(node, new Node.ImportSpecifier(local, imported)); + }; + // {foo, bar as bas} + Parser.prototype.parseNamedImports = function () { + this.expect('{'); + var specifiers = []; + while (!this.match('}')) { + specifiers.push(this.parseImportSpecifier()); + if (!this.match('}')) { + this.expect(','); + } + } + this.expect('}'); + return specifiers; + }; + // import <foo> ...; + Parser.prototype.parseImportDefaultSpecifier = function () { + var node = this.createNode(); + var local = this.parseIdentifierName(); + return this.finalize(node, new Node.ImportDefaultSpecifier(local)); + }; + // import <* as foo> ...; + Parser.prototype.parseImportNamespaceSpecifier = function () { + var node = this.createNode(); + this.expect('*'); + if (!this.matchContextualKeyword('as')) { + this.throwError(messages_1.Messages.NoAsAfterImportNamespace); + } + this.nextToken(); + var local = this.parseIdentifierName(); + return this.finalize(node, new Node.ImportNamespaceSpecifier(local)); + }; + Parser.prototype.parseImportDeclaration = function () { + if (this.context.inFunctionBody) { + this.throwError(messages_1.Messages.IllegalImportDeclaration); + } + var node = this.createNode(); + this.expectKeyword('import'); + var src; + var specifiers = []; + if (this.lookahead.type === 8 /* StringLiteral */) { + // import 'foo'; + src = this.parseModuleSpecifier(); + } + else { + if (this.match('{')) { + // import {bar} + specifiers = specifiers.concat(this.parseNamedImports()); + } + else if (this.match('*')) { + // import * as foo + specifiers.push(this.parseImportNamespaceSpecifier()); + } + else if (this.isIdentifierName(this.lookahead) && !this.matchKeyword('default')) { + // import foo + specifiers.push(this.parseImportDefaultSpecifier()); + if (this.match(',')) { + this.nextToken(); + if (this.match('*')) { + // import foo, * as foo + specifiers.push(this.parseImportNamespaceSpecifier()); + } + else if (this.match('{')) { + // import foo, {bar} + specifiers = specifiers.concat(this.parseNamedImports()); + } + else { + this.throwUnexpectedToken(this.lookahead); + } + } + } + else { + this.throwUnexpectedToken(this.nextToken()); + } + if (!this.matchContextualKeyword('from')) { + var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; + this.throwError(message, this.lookahead.value); + } + this.nextToken(); + src = this.parseModuleSpecifier(); + } + this.consumeSemicolon(); + return this.finalize(node, new Node.ImportDeclaration(specifiers, src)); + }; + // https://tc39.github.io/ecma262/#sec-exports + Parser.prototype.parseExportSpecifier = function () { + var node = this.createNode(); + var local = this.parseIdentifierName(); + var exported = local; + if (this.matchContextualKeyword('as')) { + this.nextToken(); + exported = this.parseIdentifierName(); + } + return this.finalize(node, new Node.ExportSpecifier(local, exported)); + }; + Parser.prototype.parseExportDeclaration = function () { + if (this.context.inFunctionBody) { + this.throwError(messages_1.Messages.IllegalExportDeclaration); + } + var node = this.createNode(); + this.expectKeyword('export'); + var exportDeclaration; + if (this.matchKeyword('default')) { + // export default ... + this.nextToken(); + if (this.matchKeyword('function')) { + // export default function foo () {} + // export default function () {} + var declaration = this.parseFunctionDeclaration(true); + exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); + } + else if (this.matchKeyword('class')) { + // export default class foo {} + var declaration = this.parseClassDeclaration(true); + exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); + } + else if (this.matchContextualKeyword('async')) { + // export default async function f () {} + // export default async function () {} + // export default async x => x + var declaration = this.matchAsyncFunction() ? this.parseFunctionDeclaration(true) : this.parseAssignmentExpression(); + exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); + } + else { + if (this.matchContextualKeyword('from')) { + this.throwError(messages_1.Messages.UnexpectedToken, this.lookahead.value); + } + // export default {}; + // export default []; + // export default (1 + 2); + var declaration = this.match('{') ? this.parseObjectInitializer() : + this.match('[') ? this.parseArrayInitializer() : this.parseAssignmentExpression(); + this.consumeSemicolon(); + exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration)); + } + } + else if (this.match('*')) { + // export * from 'foo'; + this.nextToken(); + if (!this.matchContextualKeyword('from')) { + var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; + this.throwError(message, this.lookahead.value); + } + this.nextToken(); + var src = this.parseModuleSpecifier(); + this.consumeSemicolon(); + exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src)); + } + else if (this.lookahead.type === 4 /* Keyword */) { + // export var f = 1; + var declaration = void 0; + switch (this.lookahead.value) { + case 'let': + case 'const': + declaration = this.parseLexicalDeclaration({ inFor: false }); + break; + case 'var': + case 'class': + case 'function': + declaration = this.parseStatementListItem(); + break; + default: + this.throwUnexpectedToken(this.lookahead); + } + exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null)); + } + else if (this.matchAsyncFunction()) { + var declaration = this.parseFunctionDeclaration(); + exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null)); + } + else { + var specifiers = []; + var source = null; + var isExportFromIdentifier = false; + this.expect('{'); + while (!this.match('}')) { + isExportFromIdentifier = isExportFromIdentifier || this.matchKeyword('default'); + specifiers.push(this.parseExportSpecifier()); + if (!this.match('}')) { + this.expect(','); + } + } + this.expect('}'); + if (this.matchContextualKeyword('from')) { + // export {default} from 'foo'; + // export {foo} from 'foo'; + this.nextToken(); + source = this.parseModuleSpecifier(); + this.consumeSemicolon(); + } + else if (isExportFromIdentifier) { + // export {default}; // missing fromClause + var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause; + this.throwError(message, this.lookahead.value); + } + else { + // export {foo}; + this.consumeSemicolon(); + } + exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(null, specifiers, source)); + } + return exportDeclaration; + }; + return Parser; + }()); + exports.Parser = Parser; + + +/***/ }, +/* 9 */ +/***/ function(module, exports) { + + // Ensure the condition is true, otherwise throw an error. + // This is only to have a better contract semantic, i.e. another safety net + // to catch a logic error. The condition shall be fulfilled in normal case. + // Do NOT use this to enforce a certain condition on any user input. + "use strict"; + function assert(condition, message) { + /* istanbul ignore if */ + if (!condition) { + throw new Error('ASSERT: ' + message); + } + } + exports.assert = assert; + + +/***/ }, +/* 10 */ +/***/ function(module, exports) { + + /* tslint:disable:max-classes-per-file */ + "use strict"; + var ErrorHandler = (function () { + function ErrorHandler() { + this.errors = []; + this.tolerant = false; + } + ErrorHandler.prototype.recordError = function (error) { + this.errors.push(error); + }; + ErrorHandler.prototype.tolerate = function (error) { + if (this.tolerant) { + this.recordError(error); + } + else { + throw error; + } + }; + ErrorHandler.prototype.constructError = function (msg, column) { + var error = new Error(msg); + try { + throw error; + } + catch (base) { + /* istanbul ignore else */ + if (Object.create && Object.defineProperty) { + error = Object.create(base); + Object.defineProperty(error, 'column', { value: column }); + } + } + /* istanbul ignore next */ + return error; + }; + ErrorHandler.prototype.createError = function (index, line, col, description) { + var msg = 'Line ' + line + ': ' + description; + var error = this.constructError(msg, col); + error.index = index; + error.lineNumber = line; + error.description = description; + return error; + }; + ErrorHandler.prototype.throwError = function (index, line, col, description) { + throw this.createError(index, line, col, description); + }; + ErrorHandler.prototype.tolerateError = function (index, line, col, description) { + var error = this.createError(index, line, col, description); + if (this.tolerant) { + this.recordError(error); + } + else { + throw error; + } + }; + return ErrorHandler; + }()); + exports.ErrorHandler = ErrorHandler; + + +/***/ }, +/* 11 */ +/***/ function(module, exports) { + + "use strict"; + // Error messages should be identical to V8. + exports.Messages = { + BadImportCallArity: 'Unexpected token', + BadGetterArity: 'Getter must not have any formal parameters', + BadSetterArity: 'Setter must have exactly one formal parameter', + BadSetterRestParameter: 'Setter function argument must not be a rest parameter', + ConstructorIsAsync: 'Class constructor may not be an async method', + ConstructorSpecialMethod: 'Class constructor may not be an accessor', + DeclarationMissingInitializer: 'Missing initializer in %0 declaration', + DefaultRestParameter: 'Unexpected token =', + DefaultRestProperty: 'Unexpected token =', + DuplicateBinding: 'Duplicate binding %0', + DuplicateConstructor: 'A class may only have one constructor', + DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals', + ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer', + GeneratorInLegacyContext: 'Generator declarations are not allowed in legacy contexts', + IllegalBreak: 'Illegal break statement', + IllegalContinue: 'Illegal continue statement', + IllegalExportDeclaration: 'Unexpected token', + IllegalImportDeclaration: 'Unexpected token', + IllegalLanguageModeDirective: 'Illegal \'use strict\' directive in function with non-simple parameter list', + IllegalReturn: 'Illegal return statement', + InvalidEscapedReservedWord: 'Keyword must not contain escaped characters', + InvalidHexEscapeSequence: 'Invalid hexadecimal escape sequence', + InvalidLHSInAssignment: 'Invalid left-hand side in assignment', + InvalidLHSInForIn: 'Invalid left-hand side in for-in', + InvalidLHSInForLoop: 'Invalid left-hand side in for-loop', + InvalidModuleSpecifier: 'Unexpected token', + InvalidRegExp: 'Invalid regular expression', + LetInLexicalBinding: 'let is disallowed as a lexically bound name', + MissingFromClause: 'Unexpected token', + MultipleDefaultsInSwitch: 'More than one default clause in switch statement', + NewlineAfterThrow: 'Illegal newline after throw', + NoAsAfterImportNamespace: 'Unexpected token', + NoCatchOrFinally: 'Missing catch or finally after try', + ParameterAfterRestParameter: 'Rest parameter must be last formal parameter', + PropertyAfterRestProperty: 'Unexpected token', + Redeclaration: '%0 \'%1\' has already been declared', + StaticPrototype: 'Classes may not have static property named prototype', + StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode', + StrictDelete: 'Delete of an unqualified identifier in strict mode.', + StrictFunction: 'In strict mode code, functions can only be declared at top level or inside a block', + StrictFunctionName: 'Function name may not be eval or arguments in strict mode', + StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode', + StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode', + StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode', + StrictModeWith: 'Strict mode code may not include a with statement', + StrictOctalLiteral: 'Octal literals are not allowed in strict mode.', + StrictParamDupe: 'Strict mode function may not have duplicate parameter names', + StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode', + StrictReservedWord: 'Use of future reserved word in strict mode', + StrictVarName: 'Variable name may not be eval or arguments in strict mode', + TemplateOctalLiteral: 'Octal literals are not allowed in template strings.', + UnexpectedEOS: 'Unexpected end of input', + UnexpectedIdentifier: 'Unexpected identifier', + UnexpectedNumber: 'Unexpected number', + UnexpectedReserved: 'Unexpected reserved word', + UnexpectedString: 'Unexpected string', + UnexpectedTemplate: 'Unexpected quasi %0', + UnexpectedToken: 'Unexpected token %0', + UnexpectedTokenIllegal: 'Unexpected token ILLEGAL', + UnknownLabel: 'Undefined label \'%0\'', + UnterminatedRegExp: 'Invalid regular expression: missing /' + }; + + +/***/ }, +/* 12 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var assert_1 = __webpack_require__(9); + var character_1 = __webpack_require__(4); + var messages_1 = __webpack_require__(11); + function hexValue(ch) { + return '0123456789abcdef'.indexOf(ch.toLowerCase()); + } + function octalValue(ch) { + return '01234567'.indexOf(ch); + } + var Scanner = (function () { + function Scanner(code, handler) { + this.source = code; + this.errorHandler = handler; + this.trackComment = false; + this.length = code.length; + this.index = 0; + this.lineNumber = (code.length > 0) ? 1 : 0; + this.lineStart = 0; + this.curlyStack = []; + } + Scanner.prototype.saveState = function () { + return { + index: this.index, + lineNumber: this.lineNumber, + lineStart: this.lineStart + }; + }; + Scanner.prototype.restoreState = function (state) { + this.index = state.index; + this.lineNumber = state.lineNumber; + this.lineStart = state.lineStart; + }; + Scanner.prototype.eof = function () { + return this.index >= this.length; + }; + Scanner.prototype.throwUnexpectedToken = function (message) { + if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; } + return this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message); + }; + Scanner.prototype.tolerateUnexpectedToken = function (message) { + if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; } + this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, message); + }; + // https://tc39.github.io/ecma262/#sec-comments + Scanner.prototype.skipSingleLineComment = function (offset) { + var comments = []; + var start, loc; + if (this.trackComment) { + comments = []; + start = this.index - offset; + loc = { + start: { + line: this.lineNumber, + column: this.index - this.lineStart - offset + }, + end: {} + }; + } + while (!this.eof()) { + var ch = this.source.charCodeAt(this.index); + ++this.index; + if (character_1.Character.isLineTerminator(ch)) { + if (this.trackComment) { + loc.end = { + line: this.lineNumber, + column: this.index - this.lineStart - 1 + }; + var entry = { + multiLine: false, + slice: [start + offset, this.index - 1], + range: [start, this.index - 1], + loc: loc + }; + comments.push(entry); + } + if (ch === 13 && this.source.charCodeAt(this.index) === 10) { + ++this.index; + } + ++this.lineNumber; + this.lineStart = this.index; + return comments; + } + } + if (this.trackComment) { + loc.end = { + line: this.lineNumber, + column: this.index - this.lineStart + }; + var entry = { + multiLine: false, + slice: [start + offset, this.index], + range: [start, this.index], + loc: loc + }; + comments.push(entry); + } + return comments; + }; + Scanner.prototype.skipMultiLineComment = function () { + var comments = []; + var start, loc; + if (this.trackComment) { + comments = []; + start = this.index - 2; + loc = { + start: { + line: this.lineNumber, + column: this.index - this.lineStart - 2 + }, + end: {} + }; + } + while (!this.eof()) { + var ch = this.source.charCodeAt(this.index); + if (character_1.Character.isLineTerminator(ch)) { + if (ch === 0x0D && this.source.charCodeAt(this.index + 1) === 0x0A) { + ++this.index; + } + ++this.lineNumber; + ++this.index; + this.lineStart = this.index; + } + else if (ch === 0x2A) { + // Block comment ends with '*/'. + if (this.source.charCodeAt(this.index + 1) === 0x2F) { + this.index += 2; + if (this.trackComment) { + loc.end = { + line: this.lineNumber, + column: this.index - this.lineStart + }; + var entry = { + multiLine: true, + slice: [start + 2, this.index - 2], + range: [start, this.index], + loc: loc + }; + comments.push(entry); + } + return comments; + } + ++this.index; + } + else { + ++this.index; + } + } + // Ran off the end of the file - the whole thing is a comment + if (this.trackComment) { + loc.end = { + line: this.lineNumber, + column: this.index - this.lineStart + }; + var entry = { + multiLine: true, + slice: [start + 2, this.index], + range: [start, this.index], + loc: loc + }; + comments.push(entry); + } + this.tolerateUnexpectedToken(); + return comments; + }; + Scanner.prototype.scanComments = function () { + var comments; + if (this.trackComment) { + comments = []; + } + var start = (this.index === 0); + while (!this.eof()) { + var ch = this.source.charCodeAt(this.index); + if (character_1.Character.isWhiteSpace(ch)) { + ++this.index; + } + else if (character_1.Character.isLineTerminator(ch)) { + ++this.index; + if (ch === 0x0D && this.source.charCodeAt(this.index) === 0x0A) { + ++this.index; + } + ++this.lineNumber; + this.lineStart = this.index; + start = true; + } + else if (ch === 0x2F) { + ch = this.source.charCodeAt(this.index + 1); + if (ch === 0x2F) { + this.index += 2; + var comment = this.skipSingleLineComment(2); + if (this.trackComment) { + comments = comments.concat(comment); + } + start = true; + } + else if (ch === 0x2A) { + this.index += 2; + var comment = this.skipMultiLineComment(); + if (this.trackComment) { + comments = comments.concat(comment); + } + } + else { + break; + } + } + else if (start && ch === 0x2D) { + // U+003E is '>' + if ((this.source.charCodeAt(this.index + 1) === 0x2D) && (this.source.charCodeAt(this.index + 2) === 0x3E)) { + // '-->' is a single-line comment + this.index += 3; + var comment = this.skipSingleLineComment(3); + if (this.trackComment) { + comments = comments.concat(comment); + } + } + else { + break; + } + } + else if (ch === 0x3C) { + if (this.source.slice(this.index + 1, this.index + 4) === '!--') { + this.index += 4; // `<!--` + var comment = this.skipSingleLineComment(4); + if (this.trackComment) { + comments = comments.concat(comment); + } + } + else { + break; + } + } + else { + break; + } + } + return comments; + }; + // https://tc39.github.io/ecma262/#sec-future-reserved-words + Scanner.prototype.isFutureReservedWord = function (id) { + switch (id) { + case 'enum': + case 'export': + case 'import': + case 'super': + return true; + default: + return false; + } + }; + Scanner.prototype.isStrictModeReservedWord = function (id) { + switch (id) { + case 'implements': + case 'interface': + case 'package': + case 'private': + case 'protected': + case 'public': + case 'static': + case 'yield': + case 'let': + return true; + default: + return false; + } + }; + Scanner.prototype.isRestrictedWord = function (id) { + return id === 'eval' || id === 'arguments'; + }; + // https://tc39.github.io/ecma262/#sec-keywords + Scanner.prototype.isKeyword = function (id) { + switch (id.length) { + case 2: + return (id === 'if') || (id === 'in') || (id === 'do'); + case 3: + return (id === 'var') || (id === 'for') || (id === 'new') || + (id === 'try') || (id === 'let'); + case 4: + return (id === 'this') || (id === 'else') || (id === 'case') || + (id === 'void') || (id === 'with') || (id === 'enum'); + case 5: + return (id === 'while') || (id === 'break') || (id === 'catch') || + (id === 'throw') || (id === 'const') || (id === 'yield') || + (id === 'class') || (id === 'super'); + case 6: + return (id === 'return') || (id === 'typeof') || (id === 'delete') || + (id === 'switch') || (id === 'export') || (id === 'import'); + case 7: + return (id === 'default') || (id === 'finally') || (id === 'extends'); + case 8: + return (id === 'function') || (id === 'continue') || (id === 'debugger'); + case 10: + return (id === 'instanceof'); + default: + return false; + } + }; + Scanner.prototype.codePointAt = function (i) { + var cp = this.source.charCodeAt(i); + if (cp >= 0xD800 && cp <= 0xDBFF) { + var second = this.source.charCodeAt(i + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + var first = cp; + cp = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return cp; + }; + Scanner.prototype.scanHexEscape = function (prefix) { + var len = (prefix === 'u') ? 4 : 2; + var code = 0; + for (var i = 0; i < len; ++i) { + if (!this.eof() && character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) { + code = code * 16 + hexValue(this.source[this.index++]); + } + else { + return null; + } + } + return String.fromCharCode(code); + }; + Scanner.prototype.scanUnicodeCodePointEscape = function () { + var ch = this.source[this.index]; + var code = 0; + // At least, one hex digit is required. + if (ch === '}') { + this.throwUnexpectedToken(); + } + while (!this.eof()) { + ch = this.source[this.index++]; + if (!character_1.Character.isHexDigit(ch.charCodeAt(0))) { + break; + } + code = code * 16 + hexValue(ch); + } + if (code > 0x10FFFF || ch !== '}') { + this.throwUnexpectedToken(); + } + return character_1.Character.fromCodePoint(code); + }; + Scanner.prototype.getIdentifier = function () { + var start = this.index++; + while (!this.eof()) { + var ch = this.source.charCodeAt(this.index); + if (ch === 0x5C) { + // Blackslash (U+005C) marks Unicode escape sequence. + this.index = start; + return this.getComplexIdentifier(); + } + else if (ch >= 0xD800 && ch < 0xDFFF) { + // Need to handle surrogate pairs. + this.index = start; + return this.getComplexIdentifier(); + } + if (character_1.Character.isIdentifierPart(ch)) { + ++this.index; + } + else { + break; + } + } + return this.source.slice(start, this.index); + }; + Scanner.prototype.getComplexIdentifier = function () { + var cp = this.codePointAt(this.index); + var id = character_1.Character.fromCodePoint(cp); + this.index += id.length; + // '\u' (U+005C, U+0075) denotes an escaped character. + var ch; + if (cp === 0x5C) { + if (this.source.charCodeAt(this.index) !== 0x75) { + this.throwUnexpectedToken(); + } + ++this.index; + if (this.source[this.index] === '{') { + ++this.index; + ch = this.scanUnicodeCodePointEscape(); + } + else { + ch = this.scanHexEscape('u'); + if (ch === null || ch === '\\' || !character_1.Character.isIdentifierStart(ch.charCodeAt(0))) { + this.throwUnexpectedToken(); + } + } + id = ch; + } + while (!this.eof()) { + cp = this.codePointAt(this.index); + if (!character_1.Character.isIdentifierPart(cp)) { + break; + } + ch = character_1.Character.fromCodePoint(cp); + id += ch; + this.index += ch.length; + // '\u' (U+005C, U+0075) denotes an escaped character. + if (cp === 0x5C) { + id = id.substr(0, id.length - 1); + if (this.source.charCodeAt(this.index) !== 0x75) { + this.throwUnexpectedToken(); + } + ++this.index; + if (this.source[this.index] === '{') { + ++this.index; + ch = this.scanUnicodeCodePointEscape(); + } + else { + ch = this.scanHexEscape('u'); + if (ch === null || ch === '\\' || !character_1.Character.isIdentifierPart(ch.charCodeAt(0))) { + this.throwUnexpectedToken(); + } + } + id += ch; + } + } + return id; + }; + Scanner.prototype.octalToDecimal = function (ch) { + // \0 is not octal escape sequence + var octal = (ch !== '0'); + var code = octalValue(ch); + if (!this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) { + octal = true; + code = code * 8 + octalValue(this.source[this.index++]); + // 3 digits are only allowed when string starts + // with 0, 1, 2, 3 + if ('0123'.indexOf(ch) >= 0 && !this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) { + code = code * 8 + octalValue(this.source[this.index++]); + } + } + return { + code: code, + octal: octal + }; + }; + // https://tc39.github.io/ecma262/#sec-names-and-keywords + Scanner.prototype.scanIdentifier = function () { + var type; + var start = this.index; + // Backslash (U+005C) starts an escaped character. + var id = (this.source.charCodeAt(start) === 0x5C) ? this.getComplexIdentifier() : this.getIdentifier(); + // There is no keyword or literal with only one character. + // Thus, it must be an identifier. + if (id.length === 1) { + type = 3 /* Identifier */; + } + else if (this.isKeyword(id)) { + type = 4 /* Keyword */; + } + else if (id === 'null') { + type = 5 /* NullLiteral */; + } + else if (id === 'true' || id === 'false') { + type = 1 /* BooleanLiteral */; + } + else { + type = 3 /* Identifier */; + } + if (type !== 3 /* Identifier */ && (start + id.length !== this.index)) { + var restore = this.index; + this.index = start; + this.tolerateUnexpectedToken(messages_1.Messages.InvalidEscapedReservedWord); + this.index = restore; + } + return { + type: type, + value: id, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + // https://tc39.github.io/ecma262/#sec-punctuators + Scanner.prototype.scanPunctuator = function () { + var start = this.index; + // Check for most common single-character punctuators. + var str = this.source[this.index]; + switch (str) { + case '(': + case '{': + if (str === '{') { + this.curlyStack.push('{'); + } + ++this.index; + break; + case '.': + ++this.index; + if (this.source[this.index] === '.' && this.source[this.index + 1] === '.') { + // Spread operator: ... + this.index += 2; + str = '...'; + } + break; + case '}': + ++this.index; + this.curlyStack.pop(); + break; + case ')': + case ';': + case ',': + case '[': + case ']': + case ':': + case '?': + case '~': + ++this.index; + break; + default: + // 4-character punctuator. + str = this.source.substr(this.index, 4); + if (str === '>>>=') { + this.index += 4; + } + else { + // 3-character punctuators. + str = str.substr(0, 3); + if (str === '===' || str === '!==' || str === '>>>' || + str === '<<=' || str === '>>=' || str === '**=') { + this.index += 3; + } + else { + // 2-character punctuators. + str = str.substr(0, 2); + if (str === '&&' || str === '||' || str === '==' || str === '!=' || + str === '+=' || str === '-=' || str === '*=' || str === '/=' || + str === '++' || str === '--' || str === '<<' || str === '>>' || + str === '&=' || str === '|=' || str === '^=' || str === '%=' || + str === '<=' || str === '>=' || str === '=>' || str === '**') { + this.index += 2; + } + else { + // 1-character punctuators. + str = this.source[this.index]; + if ('<>=!+-*%&|^/'.indexOf(str) >= 0) { + ++this.index; + } + } + } + } + } + if (this.index === start) { + this.throwUnexpectedToken(); + } + return { + type: 7 /* Punctuator */, + value: str, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + // https://tc39.github.io/ecma262/#sec-literals-numeric-literals + Scanner.prototype.scanHexLiteral = function (start) { + var num = ''; + while (!this.eof()) { + if (!character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) { + break; + } + num += this.source[this.index++]; + } + if (num.length === 0) { + this.throwUnexpectedToken(); + } + if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) { + this.throwUnexpectedToken(); + } + return { + type: 6 /* NumericLiteral */, + value: parseInt('0x' + num, 16), + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + Scanner.prototype.scanBinaryLiteral = function (start) { + var num = ''; + var ch; + while (!this.eof()) { + ch = this.source[this.index]; + if (ch !== '0' && ch !== '1') { + break; + } + num += this.source[this.index++]; + } + if (num.length === 0) { + // only 0b or 0B + this.throwUnexpectedToken(); + } + if (!this.eof()) { + ch = this.source.charCodeAt(this.index); + /* istanbul ignore else */ + if (character_1.Character.isIdentifierStart(ch) || character_1.Character.isDecimalDigit(ch)) { + this.throwUnexpectedToken(); + } + } + return { + type: 6 /* NumericLiteral */, + value: parseInt(num, 2), + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + Scanner.prototype.scanOctalLiteral = function (prefix, start) { + var num = ''; + var octal = false; + if (character_1.Character.isOctalDigit(prefix.charCodeAt(0))) { + octal = true; + num = '0' + this.source[this.index++]; + } + else { + ++this.index; + } + while (!this.eof()) { + if (!character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) { + break; + } + num += this.source[this.index++]; + } + if (!octal && num.length === 0) { + // only 0o or 0O + this.throwUnexpectedToken(); + } + if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index)) || character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + this.throwUnexpectedToken(); + } + return { + type: 6 /* NumericLiteral */, + value: parseInt(num, 8), + octal: octal, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + Scanner.prototype.isImplicitOctalLiteral = function () { + // Implicit octal, unless there is a non-octal digit. + // (Annex B.1.1 on Numeric Literals) + for (var i = this.index + 1; i < this.length; ++i) { + var ch = this.source[i]; + if (ch === '8' || ch === '9') { + return false; + } + if (!character_1.Character.isOctalDigit(ch.charCodeAt(0))) { + return true; + } + } + return true; + }; + Scanner.prototype.scanNumericLiteral = function () { + var start = this.index; + var ch = this.source[start]; + assert_1.assert(character_1.Character.isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'), 'Numeric literal must start with a decimal digit or a decimal point'); + var num = ''; + if (ch !== '.') { + num = this.source[this.index++]; + ch = this.source[this.index]; + // Hex number starts with '0x'. + // Octal number starts with '0'. + // Octal number in ES6 starts with '0o'. + // Binary number in ES6 starts with '0b'. + if (num === '0') { + if (ch === 'x' || ch === 'X') { + ++this.index; + return this.scanHexLiteral(start); + } + if (ch === 'b' || ch === 'B') { + ++this.index; + return this.scanBinaryLiteral(start); + } + if (ch === 'o' || ch === 'O') { + return this.scanOctalLiteral(ch, start); + } + if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) { + if (this.isImplicitOctalLiteral()) { + return this.scanOctalLiteral(ch, start); + } + } + } + while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + num += this.source[this.index++]; + } + ch = this.source[this.index]; + } + if (ch === '.') { + num += this.source[this.index++]; + while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + num += this.source[this.index++]; + } + ch = this.source[this.index]; + } + if (ch === 'e' || ch === 'E') { + num += this.source[this.index++]; + ch = this.source[this.index]; + if (ch === '+' || ch === '-') { + num += this.source[this.index++]; + } + if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + num += this.source[this.index++]; + } + } + else { + this.throwUnexpectedToken(); + } + } + if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) { + this.throwUnexpectedToken(); + } + return { + type: 6 /* NumericLiteral */, + value: parseFloat(num), + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + // https://tc39.github.io/ecma262/#sec-literals-string-literals + Scanner.prototype.scanStringLiteral = function () { + var start = this.index; + var quote = this.source[start]; + assert_1.assert((quote === '\'' || quote === '"'), 'String literal must starts with a quote'); + ++this.index; + var octal = false; + var str = ''; + while (!this.eof()) { + var ch = this.source[this.index++]; + if (ch === quote) { + quote = ''; + break; + } + else if (ch === '\\') { + ch = this.source[this.index++]; + if (!ch || !character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + switch (ch) { + case 'u': + if (this.source[this.index] === '{') { + ++this.index; + str += this.scanUnicodeCodePointEscape(); + } + else { + var unescaped_1 = this.scanHexEscape(ch); + if (unescaped_1 === null) { + this.throwUnexpectedToken(); + } + str += unescaped_1; + } + break; + case 'x': + var unescaped = this.scanHexEscape(ch); + if (unescaped === null) { + this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence); + } + str += unescaped; + break; + case 'n': + str += '\n'; + break; + case 'r': + str += '\r'; + break; + case 't': + str += '\t'; + break; + case 'b': + str += '\b'; + break; + case 'f': + str += '\f'; + break; + case 'v': + str += '\x0B'; + break; + case '8': + case '9': + str += ch; + this.tolerateUnexpectedToken(); + break; + default: + if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) { + var octToDec = this.octalToDecimal(ch); + octal = octToDec.octal || octal; + str += String.fromCharCode(octToDec.code); + } + else { + str += ch; + } + break; + } + } + else { + ++this.lineNumber; + if (ch === '\r' && this.source[this.index] === '\n') { + ++this.index; + } + this.lineStart = this.index; + } + } + else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + break; + } + else { + str += ch; + } + } + if (quote !== '') { + this.index = start; + this.throwUnexpectedToken(); + } + return { + type: 8 /* StringLiteral */, + value: str, + octal: octal, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + // https://tc39.github.io/ecma262/#sec-template-literal-lexical-components + Scanner.prototype.scanTemplate = function () { + var cooked = ''; + var terminated = false; + var start = this.index; + var head = (this.source[start] === '`'); + var tail = false; + var rawOffset = 2; + ++this.index; + while (!this.eof()) { + var ch = this.source[this.index++]; + if (ch === '`') { + rawOffset = 1; + tail = true; + terminated = true; + break; + } + else if (ch === '$') { + if (this.source[this.index] === '{') { + this.curlyStack.push('${'); + ++this.index; + terminated = true; + break; + } + cooked += ch; + } + else if (ch === '\\') { + ch = this.source[this.index++]; + if (!character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + switch (ch) { + case 'n': + cooked += '\n'; + break; + case 'r': + cooked += '\r'; + break; + case 't': + cooked += '\t'; + break; + case 'u': + if (this.source[this.index] === '{') { + ++this.index; + cooked += this.scanUnicodeCodePointEscape(); + } + else { + var restore = this.index; + var unescaped_2 = this.scanHexEscape(ch); + if (unescaped_2 !== null) { + cooked += unescaped_2; + } + else { + this.index = restore; + cooked += ch; + } + } + break; + case 'x': + var unescaped = this.scanHexEscape(ch); + if (unescaped === null) { + this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence); + } + cooked += unescaped; + break; + case 'b': + cooked += '\b'; + break; + case 'f': + cooked += '\f'; + break; + case 'v': + cooked += '\v'; + break; + default: + if (ch === '0') { + if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) { + // Illegal: \01 \02 and so on + this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral); + } + cooked += '\0'; + } + else if (character_1.Character.isOctalDigit(ch.charCodeAt(0))) { + // Illegal: \1 \2 + this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral); + } + else { + cooked += ch; + } + break; + } + } + else { + ++this.lineNumber; + if (ch === '\r' && this.source[this.index] === '\n') { + ++this.index; + } + this.lineStart = this.index; + } + } + else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + ++this.lineNumber; + if (ch === '\r' && this.source[this.index] === '\n') { + ++this.index; + } + this.lineStart = this.index; + cooked += '\n'; + } + else { + cooked += ch; + } + } + if (!terminated) { + this.throwUnexpectedToken(); + } + if (!head) { + this.curlyStack.pop(); + } + return { + type: 10 /* Template */, + value: this.source.slice(start + 1, this.index - rawOffset), + cooked: cooked, + head: head, + tail: tail, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals + Scanner.prototype.testRegExp = function (pattern, flags) { + // The BMP character to use as a replacement for astral symbols when + // translating an ES6 "u"-flagged pattern to an ES5-compatible + // approximation. + // Note: replacing with '\uFFFF' enables false positives in unlikely + // scenarios. For example, `[\u{1044f}-\u{10440}]` is an invalid + // pattern that would not be detected by this substitution. + var astralSubstitute = '\uFFFF'; + var tmp = pattern; + var self = this; + if (flags.indexOf('u') >= 0) { + tmp = tmp + .replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g, function ($0, $1, $2) { + var codePoint = parseInt($1 || $2, 16); + if (codePoint > 0x10FFFF) { + self.throwUnexpectedToken(messages_1.Messages.InvalidRegExp); + } + if (codePoint <= 0xFFFF) { + return String.fromCharCode(codePoint); + } + return astralSubstitute; + }) + .replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, astralSubstitute); + } + // First, detect invalid regular expressions. + try { + RegExp(tmp); + } + catch (e) { + this.throwUnexpectedToken(messages_1.Messages.InvalidRegExp); + } + // Return a regular expression object for this pattern-flag pair, or + // `null` in case the current environment doesn't support the flags it + // uses. + try { + return new RegExp(pattern, flags); + } + catch (exception) { + /* istanbul ignore next */ + return null; + } + }; + Scanner.prototype.scanRegExpBody = function () { + var ch = this.source[this.index]; + assert_1.assert(ch === '/', 'Regular expression literal must start with a slash'); + var str = this.source[this.index++]; + var classMarker = false; + var terminated = false; + while (!this.eof()) { + ch = this.source[this.index++]; + str += ch; + if (ch === '\\') { + ch = this.source[this.index++]; + // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals + if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp); + } + str += ch; + } + else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) { + this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp); + } + else if (classMarker) { + if (ch === ']') { + classMarker = false; + } + } + else { + if (ch === '/') { + terminated = true; + break; + } + else if (ch === '[') { + classMarker = true; + } + } + } + if (!terminated) { + this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp); + } + // Exclude leading and trailing slash. + return str.substr(1, str.length - 2); + }; + Scanner.prototype.scanRegExpFlags = function () { + var str = ''; + var flags = ''; + while (!this.eof()) { + var ch = this.source[this.index]; + if (!character_1.Character.isIdentifierPart(ch.charCodeAt(0))) { + break; + } + ++this.index; + if (ch === '\\' && !this.eof()) { + ch = this.source[this.index]; + if (ch === 'u') { + ++this.index; + var restore = this.index; + var char = this.scanHexEscape('u'); + if (char !== null) { + flags += char; + for (str += '\\u'; restore < this.index; ++restore) { + str += this.source[restore]; + } + } + else { + this.index = restore; + flags += 'u'; + str += '\\u'; + } + this.tolerateUnexpectedToken(); + } + else { + str += '\\'; + this.tolerateUnexpectedToken(); + } + } + else { + flags += ch; + str += ch; + } + } + return flags; + }; + Scanner.prototype.scanRegExp = function () { + var start = this.index; + var pattern = this.scanRegExpBody(); + var flags = this.scanRegExpFlags(); + var value = this.testRegExp(pattern, flags); + return { + type: 9 /* RegularExpression */, + value: '', + pattern: pattern, + flags: flags, + regex: value, + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: start, + end: this.index + }; + }; + Scanner.prototype.lex = function () { + if (this.eof()) { + return { + type: 2 /* EOF */, + value: '', + lineNumber: this.lineNumber, + lineStart: this.lineStart, + start: this.index, + end: this.index + }; + } + var cp = this.source.charCodeAt(this.index); + if (character_1.Character.isIdentifierStart(cp)) { + return this.scanIdentifier(); + } + // Very common: ( and ) and ; + if (cp === 0x28 || cp === 0x29 || cp === 0x3B) { + return this.scanPunctuator(); + } + // String literal starts with single quote (U+0027) or double quote (U+0022). + if (cp === 0x27 || cp === 0x22) { + return this.scanStringLiteral(); + } + // Dot (.) U+002E can also start a floating-point number, hence the need + // to check the next character. + if (cp === 0x2E) { + if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index + 1))) { + return this.scanNumericLiteral(); + } + return this.scanPunctuator(); + } + if (character_1.Character.isDecimalDigit(cp)) { + return this.scanNumericLiteral(); + } + // Template literals start with ` (U+0060) for template head + // or } (U+007D) for template middle or template tail. + if (cp === 0x60 || (cp === 0x7D && this.curlyStack[this.curlyStack.length - 1] === '${')) { + return this.scanTemplate(); + } + // Possible identifier start in a surrogate pair. + if (cp >= 0xD800 && cp < 0xDFFF) { + if (character_1.Character.isIdentifierStart(this.codePointAt(this.index))) { + return this.scanIdentifier(); + } + } + return this.scanPunctuator(); + }; + return Scanner; + }()); + exports.Scanner = Scanner; + + +/***/ }, +/* 13 */ +/***/ function(module, exports) { + + "use strict"; + ; + exports.TokenName = {}; + exports.TokenName[1 /* BooleanLiteral */] = 'Boolean'; + exports.TokenName[2 /* EOF */] = '<end>'; + exports.TokenName[3 /* Identifier */] = 'Identifier'; + exports.TokenName[4 /* Keyword */] = 'Keyword'; + exports.TokenName[5 /* NullLiteral */] = 'Null'; + exports.TokenName[6 /* NumericLiteral */] = 'Numeric'; + exports.TokenName[7 /* Punctuator */] = 'Punctuator'; + exports.TokenName[8 /* StringLiteral */] = 'String'; + exports.TokenName[9 /* RegularExpression */] = 'RegularExpression'; + exports.TokenName[10 /* Template */] = 'Template'; + + +/***/ }, +/* 14 */ +/***/ function(module, exports) { + + // Generated by generate-xhtml-entities.js. DO NOT MODIFY! + "use strict"; + exports.XHTMLEntities = { + quot: '\u0022', + amp: '\u0026', + apos: '\u0027', + gt: '\u003E', + nbsp: '\u00A0', + iexcl: '\u00A1', + cent: '\u00A2', + pound: '\u00A3', + curren: '\u00A4', + yen: '\u00A5', + brvbar: '\u00A6', + sect: '\u00A7', + uml: '\u00A8', + copy: '\u00A9', + ordf: '\u00AA', + laquo: '\u00AB', + not: '\u00AC', + shy: '\u00AD', + reg: '\u00AE', + macr: '\u00AF', + deg: '\u00B0', + plusmn: '\u00B1', + sup2: '\u00B2', + sup3: '\u00B3', + acute: '\u00B4', + micro: '\u00B5', + para: '\u00B6', + middot: '\u00B7', + cedil: '\u00B8', + sup1: '\u00B9', + ordm: '\u00BA', + raquo: '\u00BB', + frac14: '\u00BC', + frac12: '\u00BD', + frac34: '\u00BE', + iquest: '\u00BF', + Agrave: '\u00C0', + Aacute: '\u00C1', + Acirc: '\u00C2', + Atilde: '\u00C3', + Auml: '\u00C4', + Aring: '\u00C5', + AElig: '\u00C6', + Ccedil: '\u00C7', + Egrave: '\u00C8', + Eacute: '\u00C9', + Ecirc: '\u00CA', + Euml: '\u00CB', + Igrave: '\u00CC', + Iacute: '\u00CD', + Icirc: '\u00CE', + Iuml: '\u00CF', + ETH: '\u00D0', + Ntilde: '\u00D1', + Ograve: '\u00D2', + Oacute: '\u00D3', + Ocirc: '\u00D4', + Otilde: '\u00D5', + Ouml: '\u00D6', + times: '\u00D7', + Oslash: '\u00D8', + Ugrave: '\u00D9', + Uacute: '\u00DA', + Ucirc: '\u00DB', + Uuml: '\u00DC', + Yacute: '\u00DD', + THORN: '\u00DE', + szlig: '\u00DF', + agrave: '\u00E0', + aacute: '\u00E1', + acirc: '\u00E2', + atilde: '\u00E3', + auml: '\u00E4', + aring: '\u00E5', + aelig: '\u00E6', + ccedil: '\u00E7', + egrave: '\u00E8', + eacute: '\u00E9', + ecirc: '\u00EA', + euml: '\u00EB', + igrave: '\u00EC', + iacute: '\u00ED', + icirc: '\u00EE', + iuml: '\u00EF', + eth: '\u00F0', + ntilde: '\u00F1', + ograve: '\u00F2', + oacute: '\u00F3', + ocirc: '\u00F4', + otilde: '\u00F5', + ouml: '\u00F6', + divide: '\u00F7', + oslash: '\u00F8', + ugrave: '\u00F9', + uacute: '\u00FA', + ucirc: '\u00FB', + uuml: '\u00FC', + yacute: '\u00FD', + thorn: '\u00FE', + yuml: '\u00FF', + OElig: '\u0152', + oelig: '\u0153', + Scaron: '\u0160', + scaron: '\u0161', + Yuml: '\u0178', + fnof: '\u0192', + circ: '\u02C6', + tilde: '\u02DC', + Alpha: '\u0391', + Beta: '\u0392', + Gamma: '\u0393', + Delta: '\u0394', + Epsilon: '\u0395', + Zeta: '\u0396', + Eta: '\u0397', + Theta: '\u0398', + Iota: '\u0399', + Kappa: '\u039A', + Lambda: '\u039B', + Mu: '\u039C', + Nu: '\u039D', + Xi: '\u039E', + Omicron: '\u039F', + Pi: '\u03A0', + Rho: '\u03A1', + Sigma: '\u03A3', + Tau: '\u03A4', + Upsilon: '\u03A5', + Phi: '\u03A6', + Chi: '\u03A7', + Psi: '\u03A8', + Omega: '\u03A9', + alpha: '\u03B1', + beta: '\u03B2', + gamma: '\u03B3', + delta: '\u03B4', + epsilon: '\u03B5', + zeta: '\u03B6', + eta: '\u03B7', + theta: '\u03B8', + iota: '\u03B9', + kappa: '\u03BA', + lambda: '\u03BB', + mu: '\u03BC', + nu: '\u03BD', + xi: '\u03BE', + omicron: '\u03BF', + pi: '\u03C0', + rho: '\u03C1', + sigmaf: '\u03C2', + sigma: '\u03C3', + tau: '\u03C4', + upsilon: '\u03C5', + phi: '\u03C6', + chi: '\u03C7', + psi: '\u03C8', + omega: '\u03C9', + thetasym: '\u03D1', + upsih: '\u03D2', + piv: '\u03D6', + ensp: '\u2002', + emsp: '\u2003', + thinsp: '\u2009', + zwnj: '\u200C', + zwj: '\u200D', + lrm: '\u200E', + rlm: '\u200F', + ndash: '\u2013', + mdash: '\u2014', + lsquo: '\u2018', + rsquo: '\u2019', + sbquo: '\u201A', + ldquo: '\u201C', + rdquo: '\u201D', + bdquo: '\u201E', + dagger: '\u2020', + Dagger: '\u2021', + bull: '\u2022', + hellip: '\u2026', + permil: '\u2030', + prime: '\u2032', + Prime: '\u2033', + lsaquo: '\u2039', + rsaquo: '\u203A', + oline: '\u203E', + frasl: '\u2044', + euro: '\u20AC', + image: '\u2111', + weierp: '\u2118', + real: '\u211C', + trade: '\u2122', + alefsym: '\u2135', + larr: '\u2190', + uarr: '\u2191', + rarr: '\u2192', + darr: '\u2193', + harr: '\u2194', + crarr: '\u21B5', + lArr: '\u21D0', + uArr: '\u21D1', + rArr: '\u21D2', + dArr: '\u21D3', + hArr: '\u21D4', + forall: '\u2200', + part: '\u2202', + exist: '\u2203', + empty: '\u2205', + nabla: '\u2207', + isin: '\u2208', + notin: '\u2209', + ni: '\u220B', + prod: '\u220F', + sum: '\u2211', + minus: '\u2212', + lowast: '\u2217', + radic: '\u221A', + prop: '\u221D', + infin: '\u221E', + ang: '\u2220', + and: '\u2227', + or: '\u2228', + cap: '\u2229', + cup: '\u222A', + int: '\u222B', + there4: '\u2234', + sim: '\u223C', + cong: '\u2245', + asymp: '\u2248', + ne: '\u2260', + equiv: '\u2261', + le: '\u2264', + ge: '\u2265', + sub: '\u2282', + sup: '\u2283', + nsub: '\u2284', + sube: '\u2286', + supe: '\u2287', + oplus: '\u2295', + otimes: '\u2297', + perp: '\u22A5', + sdot: '\u22C5', + lceil: '\u2308', + rceil: '\u2309', + lfloor: '\u230A', + rfloor: '\u230B', + loz: '\u25CA', + spades: '\u2660', + clubs: '\u2663', + hearts: '\u2665', + diams: '\u2666', + lang: '\u27E8', + rang: '\u27E9' + }; + + +/***/ }, +/* 15 */ +/***/ function(module, exports, __webpack_require__) { + + "use strict"; + var error_handler_1 = __webpack_require__(10); + var scanner_1 = __webpack_require__(12); + var token_1 = __webpack_require__(13); + var Reader = (function () { + function Reader() { + this.values = []; + this.curly = this.paren = -1; + } + // A function following one of those tokens is an expression. + Reader.prototype.beforeFunctionExpression = function (t) { + return ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new', + 'return', 'case', 'delete', 'throw', 'void', + // assignment operators + '=', '+=', '-=', '*=', '**=', '/=', '%=', '<<=', '>>=', '>>>=', + '&=', '|=', '^=', ',', + // binary/unary operators + '+', '-', '*', '**', '/', '%', '++', '--', '<<', '>>', '>>>', '&', + '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=', + '<=', '<', '>', '!=', '!=='].indexOf(t) >= 0; + }; + // Determine if forward slash (/) is an operator or part of a regular expression + // https://github.com/mozilla/sweet.js/wiki/design + Reader.prototype.isRegexStart = function () { + var previous = this.values[this.values.length - 1]; + var regex = (previous !== null); + switch (previous) { + case 'this': + case ']': + regex = false; + break; + case ')': + var check = this.values[this.paren - 1]; + regex = (check === 'if' || check === 'while' || check === 'for' || check === 'with'); + break; + case '}': + // Dividing a function by anything makes little sense, + // but we have to check for that. + regex = false; + if (this.values[this.curly - 3] === 'function') { + // Anonymous function, e.g. function(){} /42 + var check_1 = this.values[this.curly - 4]; + regex = check_1 ? !this.beforeFunctionExpression(check_1) : false; + } + else if (this.values[this.curly - 4] === 'function') { + // Named function, e.g. function f(){} /42/ + var check_2 = this.values[this.curly - 5]; + regex = check_2 ? !this.beforeFunctionExpression(check_2) : true; + } + break; + default: + break; + } + return regex; + }; + Reader.prototype.push = function (token) { + if (token.type === 7 /* Punctuator */ || token.type === 4 /* Keyword */) { + if (token.value === '{') { + this.curly = this.values.length; + } + else if (token.value === '(') { + this.paren = this.values.length; + } + this.values.push(token.value); + } + else { + this.values.push(null); + } + }; + return Reader; + }()); + var Tokenizer = (function () { + function Tokenizer(code, config) { + this.errorHandler = new error_handler_1.ErrorHandler(); + this.errorHandler.tolerant = config ? (typeof config.tolerant === 'boolean' && config.tolerant) : false; + this.scanner = new scanner_1.Scanner(code, this.errorHandler); + this.scanner.trackComment = config ? (typeof config.comment === 'boolean' && config.comment) : false; + this.trackRange = config ? (typeof config.range === 'boolean' && config.range) : false; + this.trackLoc = config ? (typeof config.loc === 'boolean' && config.loc) : false; + this.buffer = []; + this.reader = new Reader(); + } + Tokenizer.prototype.errors = function () { + return this.errorHandler.errors; + }; + Tokenizer.prototype.getNextToken = function () { + if (this.buffer.length === 0) { + var comments = this.scanner.scanComments(); + if (this.scanner.trackComment) { + for (var i = 0; i < comments.length; ++i) { + var e = comments[i]; + var value = this.scanner.source.slice(e.slice[0], e.slice[1]); + var comment = { + type: e.multiLine ? 'BlockComment' : 'LineComment', + value: value + }; + if (this.trackRange) { + comment.range = e.range; + } + if (this.trackLoc) { + comment.loc = e.loc; + } + this.buffer.push(comment); + } + } + if (!this.scanner.eof()) { + var loc = void 0; + if (this.trackLoc) { + loc = { + start: { + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + }, + end: {} + }; + } + var token = void 0; + if (this.scanner.source[this.scanner.index] === '/') { + token = this.reader.isRegexStart() ? this.scanner.scanRegExp() : this.scanner.scanPunctuator(); + } + else { + token = this.scanner.lex(); + } + this.reader.push(token); + var entry = { + type: token_1.TokenName[token.type], + value: this.scanner.source.slice(token.start, token.end) + }; + if (this.trackRange) { + entry.range = [token.start, token.end]; + } + if (this.trackLoc) { + loc.end = { + line: this.scanner.lineNumber, + column: this.scanner.index - this.scanner.lineStart + }; + entry.loc = loc; + } + if (token.type === 9 /* RegularExpression */) { + var pattern = token.pattern; + var flags = token.flags; + entry.regex = { pattern: pattern, flags: flags }; + } + this.buffer.push(entry); + } + } + return this.buffer.shift(); + }; + return Tokenizer; + }()); + exports.Tokenizer = Tokenizer; + + +/***/ } +/******/ ]) +}); +; |