Obsoleted the old awk-mode.el package in favor of the AWK support in CC Mode.

1 files changed, 124 insertions, 0 deletions

diff --git a/lisp/obsolete/awk-mode.el b/lisp/obsolete/awk-mode.el
new file mode 100644
index 00000000000..e101e304c2a
--- /dev/null
+++ b/lisp/obsolete/awk-mode.el
@@ -0,0 +1,124 @@
+;;; awk-mode.el --- AWK code editing commands for Emacs
+
+;; Copyright (C) 1988,94,96,2000  Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+;; Keywords: unix, languages
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; Sets up C-mode with support for awk-style #-comments and a lightly
+;; hacked syntax table.
+
+;;; Code:
+
+(defvar awk-mode-syntax-table
+  (let ((st (make-syntax-table)))
+  (modify-syntax-entry ?\\ "\\" st)
+  (modify-syntax-entry ?\n ">   " st)
+  (modify-syntax-entry ?\f ">   " st)
+  (modify-syntax-entry ?\# "<   " st)
+  ;; / can delimit regexes or be a division operator.  We assume that it is
+  ;; more commonly used for regexes and fix the remaining cases with
+  ;; `font-lock-syntactic-keywords'.
+  (modify-syntax-entry ?/ "\"" st)
+  (modify-syntax-entry ?* "." st)
+  (modify-syntax-entry ?+ "." st)
+  (modify-syntax-entry ?- "." st)
+  (modify-syntax-entry ?= "." st)
+  (modify-syntax-entry ?% "." st)
+  (modify-syntax-entry ?< "." st)
+  (modify-syntax-entry ?> "." st)
+  (modify-syntax-entry ?& "." st)
+  (modify-syntax-entry ?| "." st)
+  (modify-syntax-entry ?_ "_" st)
+  (modify-syntax-entry ?\' "\"" st)
+  st)
+  "Syntax table in use in `awk-mode' buffers.")
+
+;; Regexps written with help from Peter Galbraith <galbraith@mixing.qc.dfo.ca>.
+(defconst awk-font-lock-keywords
+  (eval-when-compile
+    (list
+     ;;
+     ;; Function names.
+     '("^[ \t]*\\(function\\)\\>[ \t]*\\(\\sw+\\)?"
+       (1 font-lock-keyword-face) (2 font-lock-function-name-face nil t))
+     ;;
+     ;; Variable names.
+     (cons (regexp-opt
+	    '("ARGC" "ARGIND" "ARGV" "CONVFMT" "ENVIRON" "ERRNO"
+	      "FIELDWIDTHS" "FILENAME" "FNR" "FS" "IGNORECASE" "NF" "NR"
+	      "OFMT" "OFS" "ORS" "RLENGTH" "RS" "RSTART" "SUBSEP") 'words)
+	   'font-lock-variable-name-face)
+     ;;
+     ;; Keywords.
+     (regexp-opt
+      '("BEGIN" "END" "break" "continue" "delete" "exit" "else" "for"
+	"getline" "if" "next" "print" "printf" "return" "while") 'words)
+     ;;
+     ;; Builtins.
+     (list (regexp-opt
+	    '("atan2" "close" "cos" "ctime" "exp" "gsub" "index" "int"
+	      "length" "log" "match" "rand" "sin" "split" "sprintf"
+	      "sqrt" "srand" "sub" "substr" "system" "time"
+	      "tolower" "toupper") 'words)
+	   1 'font-lock-builtin-face)
+     ;;
+     ;; Operators.  Is this too much?
+     (cons (regexp-opt '("&&" "||" "<=" "<" ">=" ">" "==" "!=" "!~" "~"))
+	   'font-lock-constant-face)
+     ))
+ "Default expressions to highlight in AWK mode.")
+
+(require 'syntax)
+
+(defconst awk-font-lock-syntactic-keywords
+  ;; `/' is mostly used for /.../ regular expressions, but is also
+  ;; used as a division operator.  Distinguishing between the two is
+  ;; a pain in the youknowwhat.
+  ;; '(("\\(^\\|[<=>-+*%/!^,~(?:|&]\\)\\s-*\\(/\\)\\([^/\n\\]\\|\\\\.\\)*\\(/\\)"
+  ;;    (2 "\"") (4 "\"")))
+  '(("[^<=>-+*%/!^,~(?:|& \t\n\f]\\s-*\\(/\\)"
+     (1 (unless (nth 3 (syntax-ppss (match-beginning 1))) "."))))
+  "Syntactic keywords for `awk-mode'.")
+
+;; No longer autoloaded since it might clobber the autoload directive in CC Mode.
+(define-derived-mode awk-mode c-mode "AWK"
+  "Major mode for editing AWK code.
+This is much like C mode except for the syntax of comments.  Its keymap
+inherits from C mode's and it has the same variables for customizing
+indentation.  It has its own abbrev table and its own syntax table.
+
+Turning on AWK mode runs `awk-mode-hook'."
+  (set (make-local-variable 'paragraph-start) (concat "$\\|" page-delimiter))
+  (set (make-local-variable 'paragraph-separate) paragraph-start)
+  (set (make-local-variable 'comment-start) "# ")
+  (set (make-local-variable 'comment-end) "")
+  (set (make-local-variable 'comment-start-skip) "#+ *")
+  (setq font-lock-defaults '(awk-font-lock-keywords
+			     nil nil ((?_ . "w")) nil
+			     (parse-sexp-lookup-properties . t)
+			     (font-lock-syntactic-keywords
+			      . awk-font-lock-syntactic-keywords))))
+
+(provide 'awk-mode)
+
+;;; awk-mode.el ends here