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Diffstat (limited to 'pygments/lexers/haxe.py')
| -rw-r--r-- | pygments/lexers/haxe.py | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/pygments/lexers/haxe.py b/pygments/lexers/haxe.py new file mode 100644 index 00000000..a0758ac6 --- /dev/null +++ b/pygments/lexers/haxe.py @@ -0,0 +1,934 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.haxe + ~~~~~~~~~~~~~~~~~~~~ + + Lexers for Haxe and related stuff. + + :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +import re + +from pygments.lexer import ExtendedRegexLexer, RegexLexer, include, bygroups, \ + default +from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ + Number, Punctuation, Generic, Whitespace + +__all__ = ['HaxeLexer', 'HxmlLexer'] + + +class HaxeLexer(ExtendedRegexLexer): + """ + For Haxe source code (http://haxe.org/). + + .. versionadded:: 1.3 + """ + + name = 'Haxe' + aliases = ['hx', 'haxe', 'hxsl'] + filenames = ['*.hx', '*.hxsl'] + mimetypes = ['text/haxe', 'text/x-haxe', 'text/x-hx'] + + # keywords extracted from lexer.mll in the haxe compiler source + keyword = (r'(?:function|class|static|var|if|else|while|do|for|' + r'break|return|continue|extends|implements|import|' + r'switch|case|default|public|private|try|untyped|' + r'catch|new|this|throw|extern|enum|in|interface|' + r'cast|override|dynamic|typedef|package|' + r'inline|using|null|true|false|abstract)\b') + + # idtype in lexer.mll + typeid = r'_*[A-Z]\w*' + + # combined ident and dollar and idtype + ident = r'(?:_*[a-z]\w*|_+[0-9]\w*|' + typeid + '|_+|\$\w+)' + + binop = (r'(?:%=|&=|\|=|\^=|\+=|\-=|\*=|/=|<<=|>\s*>\s*=|>\s*>\s*>\s*=|==|' + r'!=|<=|>\s*=|&&|\|\||<<|>>>|>\s*>|\.\.\.|<|>|%|&|\||\^|\+|\*|' + r'/|\-|=>|=)') + + # ident except keywords + ident_no_keyword = r'(?!' + keyword + ')' + ident + + flags = re.DOTALL | re.MULTILINE + + preproc_stack = [] + + def preproc_callback(self, match, ctx): + proc = match.group(2) + + if proc == 'if': + # store the current stack + self.preproc_stack.append(ctx.stack[:]) + elif proc in ['else', 'elseif']: + # restore the stack back to right before #if + if self.preproc_stack: + ctx.stack = self.preproc_stack[-1][:] + elif proc == 'end': + # remove the saved stack of previous #if + if self.preproc_stack: + self.preproc_stack.pop() + + # #if and #elseif should follow by an expr + if proc in ['if', 'elseif']: + ctx.stack.append('preproc-expr') + + # #error can be optionally follow by the error msg + if proc in ['error']: + ctx.stack.append('preproc-error') + + yield match.start(), Comment.Preproc, '#' + proc + ctx.pos = match.end() + + tokens = { + 'root': [ + include('spaces'), + include('meta'), + (r'(?:package)\b', Keyword.Namespace, ('semicolon', 'package')), + (r'(?:import)\b', Keyword.Namespace, ('semicolon', 'import')), + (r'(?:using)\b', Keyword.Namespace, ('semicolon', 'using')), + (r'(?:extern|private)\b', Keyword.Declaration), + (r'(?:abstract)\b', Keyword.Declaration, 'abstract'), + (r'(?:class|interface)\b', Keyword.Declaration, 'class'), + (r'(?:enum)\b', Keyword.Declaration, 'enum'), + (r'(?:typedef)\b', Keyword.Declaration, 'typedef'), + + # top-level expression + # although it is not supported in haxe, but it is common to write + # expression in web pages the positive lookahead here is to prevent + # an infinite loop at the EOF + (r'(?=.)', Text, 'expr-statement'), + ], + + # space/tab/comment/preproc + 'spaces': [ + (r'\s+', Text), + (r'//[^\n\r]*', Comment.Single), + (r'/\*.*?\*/', Comment.Multiline), + (r'(#)(if|elseif|else|end|error)\b', preproc_callback), + ], + + 'string-single-interpol': [ + (r'\$\{', String.Interpol, ('string-interpol-close', 'expr')), + (r'\$\$', String.Escape), + (r'\$(?=' + ident + ')', String.Interpol, 'ident'), + include('string-single'), + ], + + 'string-single': [ + (r"'", String.Single, '#pop'), + (r'\\.', String.Escape), + (r'.', String.Single), + ], + + 'string-double': [ + (r'"', String.Double, '#pop'), + (r'\\.', String.Escape), + (r'.', String.Double), + ], + + 'string-interpol-close': [ + (r'\$'+ident, String.Interpol), + (r'\}', String.Interpol, '#pop'), + ], + + 'package': [ + include('spaces'), + (ident, Name.Namespace), + (r'\.', Punctuation, 'import-ident'), + default('#pop'), + ], + + 'import': [ + include('spaces'), + (ident, Name.Namespace), + (r'\*', Keyword), # wildcard import + (r'\.', Punctuation, 'import-ident'), + (r'in', Keyword.Namespace, 'ident'), + default('#pop'), + ], + + 'import-ident': [ + include('spaces'), + (r'\*', Keyword, '#pop'), # wildcard import + (ident, Name.Namespace, '#pop'), + ], + + 'using': [ + include('spaces'), + (ident, Name.Namespace), + (r'\.', Punctuation, 'import-ident'), + default('#pop'), + ], + + 'preproc-error': [ + (r'\s+', Comment.Preproc), + (r"'", String.Single, ('#pop', 'string-single')), + (r'"', String.Double, ('#pop', 'string-double')), + default('#pop'), + ], + + 'preproc-expr': [ + (r'\s+', Comment.Preproc), + (r'\!', Comment.Preproc), + (r'\(', Comment.Preproc, ('#pop', 'preproc-parenthesis')), + + (ident, Comment.Preproc, '#pop'), + + # Float + (r'\.[0-9]+', Number.Float), + (r'[0-9]+[eE][\+\-]?[0-9]+', Number.Float), + (r'[0-9]+\.[0-9]*[eE][\+\-]?[0-9]+', Number.Float), + (r'[0-9]+\.[0-9]+', Number.Float), + (r'[0-9]+\.(?!' + ident + '|\.\.)', Number.Float), + + # Int + (r'0x[0-9a-fA-F]+', Number.Hex), + (r'[0-9]+', Number.Integer), + + # String + (r"'", String.Single, ('#pop', 'string-single')), + (r'"', String.Double, ('#pop', 'string-double')), + ], + + 'preproc-parenthesis': [ + (r'\s+', Comment.Preproc), + (r'\)', Comment.Preproc, '#pop'), + ('', Text, 'preproc-expr-in-parenthesis'), + ], + + 'preproc-expr-chain': [ + (r'\s+', Comment.Preproc), + (binop, Comment.Preproc, ('#pop', 'preproc-expr-in-parenthesis')), + default('#pop'), + ], + + # same as 'preproc-expr' but able to chain 'preproc-expr-chain' + 'preproc-expr-in-parenthesis': [ + (r'\s+', Comment.Preproc), + (r'\!', Comment.Preproc), + (r'\(', Comment.Preproc, + ('#pop', 'preproc-expr-chain', 'preproc-parenthesis')), + + (ident, Comment.Preproc, ('#pop', 'preproc-expr-chain')), + + # Float + (r'\.[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')), + (r'[0-9]+[eE][\+\-]?[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')), + (r'[0-9]+\.[0-9]*[eE][\+\-]?[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')), + (r'[0-9]+\.[0-9]+', Number.Float, ('#pop', 'preproc-expr-chain')), + (r'[0-9]+\.(?!' + ident + '|\.\.)', Number.Float, ('#pop', 'preproc-expr-chain')), + + # Int + (r'0x[0-9a-fA-F]+', Number.Hex, ('#pop', 'preproc-expr-chain')), + (r'[0-9]+', Number.Integer, ('#pop', 'preproc-expr-chain')), + + # String + (r"'", String.Single, + ('#pop', 'preproc-expr-chain', 'string-single')), + (r'"', String.Double, + ('#pop', 'preproc-expr-chain', 'string-double')), + ], + + 'abstract': [ + include('spaces'), + default(('#pop', 'abstract-body', 'abstract-relation', + 'abstract-opaque', 'type-param-constraint', 'type-name')), + ], + + 'abstract-body': [ + include('spaces'), + (r'\{', Punctuation, ('#pop', 'class-body')), + ], + + 'abstract-opaque': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'parenthesis-close', 'type')), + default('#pop'), + ], + + 'abstract-relation': [ + include('spaces'), + (r'(?:to|from)', Keyword.Declaration, 'type'), + (r',', Punctuation), + default('#pop'), + ], + + 'meta': [ + include('spaces'), + (r'@', Name.Decorator, ('meta-body', 'meta-ident', 'meta-colon')), + ], + + # optional colon + 'meta-colon': [ + include('spaces'), + (r':', Name.Decorator, '#pop'), + default('#pop'), + ], + + # same as 'ident' but set token as Name.Decorator instead of Name + 'meta-ident': [ + include('spaces'), + (ident, Name.Decorator, '#pop'), + ], + + 'meta-body': [ + include('spaces'), + (r'\(', Name.Decorator, ('#pop', 'meta-call')), + default('#pop'), + ], + + 'meta-call': [ + include('spaces'), + (r'\)', Name.Decorator, '#pop'), + default(('#pop', 'meta-call-sep', 'expr')), + ], + + 'meta-call-sep': [ + include('spaces'), + (r'\)', Name.Decorator, '#pop'), + (r',', Punctuation, ('#pop', 'meta-call')), + ], + + 'typedef': [ + include('spaces'), + default(('#pop', 'typedef-body', 'type-param-constraint', + 'type-name')), + ], + + 'typedef-body': [ + include('spaces'), + (r'=', Operator, ('#pop', 'optional-semicolon', 'type')), + ], + + 'enum': [ + include('spaces'), + default(('#pop', 'enum-body', 'bracket-open', + 'type-param-constraint', 'type-name')), + ], + + 'enum-body': [ + include('spaces'), + include('meta'), + (r'\}', Punctuation, '#pop'), + (ident_no_keyword, Name, ('enum-member', 'type-param-constraint')), + ], + + 'enum-member': [ + include('spaces'), + (r'\(', Punctuation, + ('#pop', 'semicolon', 'flag', 'function-param')), + default(('#pop', 'semicolon', 'flag')), + ], + + 'class': [ + include('spaces'), + default(('#pop', 'class-body', 'bracket-open', 'extends', + 'type-param-constraint', 'type-name')), + ], + + 'extends': [ + include('spaces'), + (r'(?:extends|implements)\b', Keyword.Declaration, 'type'), + (r',', Punctuation), # the comma is made optional here, since haxe2 + # requires the comma but haxe3 does not allow it + default('#pop'), + ], + + 'bracket-open': [ + include('spaces'), + (r'\{', Punctuation, '#pop'), + ], + + 'bracket-close': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + ], + + 'class-body': [ + include('spaces'), + include('meta'), + (r'\}', Punctuation, '#pop'), + (r'(?:static|public|private|override|dynamic|inline|macro)\b', + Keyword.Declaration), + default('class-member'), + ], + + 'class-member': [ + include('spaces'), + (r'(var)\b', Keyword.Declaration, + ('#pop', 'optional-semicolon', 'var')), + (r'(function)\b', Keyword.Declaration, + ('#pop', 'optional-semicolon', 'class-method')), + ], + + # local function, anonymous or not + 'function-local': [ + include('spaces'), + (r'(' + ident_no_keyword + ')?', Name.Function, + ('#pop', 'optional-expr', 'flag', 'function-param', + 'parenthesis-open', 'type-param-constraint')), + ], + + 'optional-expr': [ + include('spaces'), + include('expr'), + default('#pop'), + ], + + 'class-method': [ + include('spaces'), + (ident, Name.Function, ('#pop', 'optional-expr', 'flag', + 'function-param', 'parenthesis-open', + 'type-param-constraint')), + ], + + # function arguments + 'function-param': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + (r'\?', Punctuation), + (ident_no_keyword, Name, + ('#pop', 'function-param-sep', 'assign', 'flag')), + ], + + 'function-param-sep': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'function-param')), + ], + + 'prop-get-set': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'parenthesis-close', + 'prop-get-set-opt', 'comma', 'prop-get-set-opt')), + default('#pop'), + ], + + 'prop-get-set-opt': [ + include('spaces'), + (r'(?:default|null|never|dynamic|get|set)\b', Keyword, '#pop'), + (ident_no_keyword, Text, '#pop'), # custom getter/setter + ], + + 'expr-statement': [ + include('spaces'), + # makes semicolon optional here, just to avoid checking the last + # one is bracket or not. + default(('#pop', 'optional-semicolon', 'expr')), + ], + + 'expr': [ + include('spaces'), + (r'@', Name.Decorator, ('#pop', 'optional-expr', 'meta-body', + 'meta-ident', 'meta-colon')), + (r'(?:\+\+|\-\-|~(?!/)|!|\-)', Operator), + (r'\(', Punctuation, ('#pop', 'expr-chain', 'parenthesis')), + (r'(?:static|public|private|override|dynamic|inline)\b', + Keyword.Declaration), + (r'(?:function)\b', Keyword.Declaration, ('#pop', 'expr-chain', + 'function-local')), + (r'\{', Punctuation, ('#pop', 'expr-chain', 'bracket')), + (r'(?:true|false|null)\b', Keyword.Constant, ('#pop', 'expr-chain')), + (r'(?:this)\b', Keyword, ('#pop', 'expr-chain')), + (r'(?:cast)\b', Keyword, ('#pop', 'expr-chain', 'cast')), + (r'(?:try)\b', Keyword, ('#pop', 'catch', 'expr')), + (r'(?:var)\b', Keyword.Declaration, ('#pop', 'var')), + (r'(?:new)\b', Keyword, ('#pop', 'expr-chain', 'new')), + (r'(?:switch)\b', Keyword, ('#pop', 'switch')), + (r'(?:if)\b', Keyword, ('#pop', 'if')), + (r'(?:do)\b', Keyword, ('#pop', 'do')), + (r'(?:while)\b', Keyword, ('#pop', 'while')), + (r'(?:for)\b', Keyword, ('#pop', 'for')), + (r'(?:untyped|throw)\b', Keyword), + (r'(?:return)\b', Keyword, ('#pop', 'optional-expr')), + (r'(?:macro)\b', Keyword, ('#pop', 'macro')), + (r'(?:continue|break)\b', Keyword, '#pop'), + (r'(?:\$\s*[a-z]\b|\$(?!'+ident+'))', Name, ('#pop', 'dollar')), + (ident_no_keyword, Name, ('#pop', 'expr-chain')), + + # Float + (r'\.[0-9]+', Number.Float, ('#pop', 'expr-chain')), + (r'[0-9]+[eE][\+\-]?[0-9]+', Number.Float, ('#pop', 'expr-chain')), + (r'[0-9]+\.[0-9]*[eE][\+\-]?[0-9]+', Number.Float, ('#pop', 'expr-chain')), + (r'[0-9]+\.[0-9]+', Number.Float, ('#pop', 'expr-chain')), + (r'[0-9]+\.(?!' + ident + '|\.\.)', Number.Float, ('#pop', 'expr-chain')), + + # Int + (r'0x[0-9a-fA-F]+', Number.Hex, ('#pop', 'expr-chain')), + (r'[0-9]+', Number.Integer, ('#pop', 'expr-chain')), + + # String + (r"'", String.Single, ('#pop', 'expr-chain', 'string-single-interpol')), + (r'"', String.Double, ('#pop', 'expr-chain', 'string-double')), + + # EReg + (r'~/(\\\\|\\/|[^/\n])*/[gimsu]*', String.Regex, ('#pop', 'expr-chain')), + + # Array + (r'\[', Punctuation, ('#pop', 'expr-chain', 'array-decl')), + ], + + 'expr-chain': [ + include('spaces'), + (r'(?:\+\+|\-\-)', Operator), + (binop, Operator, ('#pop', 'expr')), + (r'(?:in)\b', Keyword, ('#pop', 'expr')), + (r'\?', Operator, ('#pop', 'expr', 'ternary', 'expr')), + (r'(\.)(' + ident_no_keyword + ')', bygroups(Punctuation, Name)), + (r'\[', Punctuation, 'array-access'), + (r'\(', Punctuation, 'call'), + default('#pop'), + ], + + # macro reification + 'macro': [ + include('spaces'), + include('meta'), + (r':', Punctuation, ('#pop', 'type')), + + (r'(?:extern|private)\b', Keyword.Declaration), + (r'(?:abstract)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'abstract')), + (r'(?:class|interface)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'macro-class')), + (r'(?:enum)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'enum')), + (r'(?:typedef)\b', Keyword.Declaration, ('#pop', 'optional-semicolon', 'typedef')), + + default(('#pop', 'expr')), + ], + + 'macro-class': [ + (r'\{', Punctuation, ('#pop', 'class-body')), + include('class') + ], + + # cast can be written as "cast expr" or "cast(expr, type)" + 'cast': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'parenthesis-close', + 'cast-type', 'expr')), + default(('#pop', 'expr')), + ], + + # optionally give a type as the 2nd argument of cast() + 'cast-type': [ + include('spaces'), + (r',', Punctuation, ('#pop', 'type')), + default('#pop'), + ], + + 'catch': [ + include('spaces'), + (r'(?:catch)\b', Keyword, ('expr', 'function-param', + 'parenthesis-open')), + default('#pop'), + ], + + # do-while loop + 'do': [ + include('spaces'), + default(('#pop', 'do-while', 'expr')), + ], + + # the while after do + 'do-while': [ + include('spaces'), + (r'(?:while)\b', Keyword, ('#pop', 'parenthesis', + 'parenthesis-open')), + ], + + 'while': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'expr', 'parenthesis')), + ], + + 'for': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'expr', 'parenthesis')), + ], + + 'if': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'else', 'optional-semicolon', 'expr', + 'parenthesis')), + ], + + 'else': [ + include('spaces'), + (r'(?:else)\b', Keyword, ('#pop', 'expr')), + default('#pop'), + ], + + 'switch': [ + include('spaces'), + default(('#pop', 'switch-body', 'bracket-open', 'expr')), + ], + + 'switch-body': [ + include('spaces'), + (r'(?:case|default)\b', Keyword, ('case-block', 'case')), + (r'\}', Punctuation, '#pop'), + ], + + 'case': [ + include('spaces'), + (r':', Punctuation, '#pop'), + default(('#pop', 'case-sep', 'case-guard', 'expr')), + ], + + 'case-sep': [ + include('spaces'), + (r':', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'case')), + ], + + 'case-guard': [ + include('spaces'), + (r'(?:if)\b', Keyword, ('#pop', 'parenthesis', 'parenthesis-open')), + default('#pop'), + ], + + # optional multiple expr under a case + 'case-block': [ + include('spaces'), + (r'(?!(?:case|default)\b|\})', Keyword, 'expr-statement'), + default('#pop'), + ], + + 'new': [ + include('spaces'), + default(('#pop', 'call', 'parenthesis-open', 'type')), + ], + + 'array-decl': [ + include('spaces'), + (r'\]', Punctuation, '#pop'), + default(('#pop', 'array-decl-sep', 'expr')), + ], + + 'array-decl-sep': [ + include('spaces'), + (r'\]', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'array-decl')), + ], + + 'array-access': [ + include('spaces'), + default(('#pop', 'array-access-close', 'expr')), + ], + + 'array-access-close': [ + include('spaces'), + (r'\]', Punctuation, '#pop'), + ], + + 'comma': [ + include('spaces'), + (r',', Punctuation, '#pop'), + ], + + 'colon': [ + include('spaces'), + (r':', Punctuation, '#pop'), + ], + + 'semicolon': [ + include('spaces'), + (r';', Punctuation, '#pop'), + ], + + 'optional-semicolon': [ + include('spaces'), + (r';', Punctuation, '#pop'), + default('#pop'), + ], + + # identity that CAN be a Haxe keyword + 'ident': [ + include('spaces'), + (ident, Name, '#pop'), + ], + + 'dollar': [ + include('spaces'), + (r'\{', Punctuation, ('#pop', 'expr-chain', 'bracket-close', 'expr')), + default(('#pop', 'expr-chain')), + ], + + 'type-name': [ + include('spaces'), + (typeid, Name, '#pop'), + ], + + 'type-full-name': [ + include('spaces'), + (r'\.', Punctuation, 'ident'), + default('#pop'), + ], + + 'type': [ + include('spaces'), + (r'\?', Punctuation), + (ident, Name, ('#pop', 'type-check', 'type-full-name')), + (r'\{', Punctuation, ('#pop', 'type-check', 'type-struct')), + (r'\(', Punctuation, ('#pop', 'type-check', 'type-parenthesis')), + ], + + 'type-parenthesis': [ + include('spaces'), + default(('#pop', 'parenthesis-close', 'type')), + ], + + 'type-check': [ + include('spaces'), + (r'->', Punctuation, ('#pop', 'type')), + (r'<(?!=)', Punctuation, 'type-param'), + default('#pop'), + ], + + 'type-struct': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + (r'\?', Punctuation), + (r'>', Punctuation, ('comma', 'type')), + (ident_no_keyword, Name, ('#pop', 'type-struct-sep', 'type', 'colon')), + include('class-body'), + ], + + 'type-struct-sep': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'type-struct')), + ], + + # type-param can be a normal type or a constant literal... + 'type-param-type': [ + # Float + (r'\.[0-9]+', Number.Float, '#pop'), + (r'[0-9]+[eE][\+\-]?[0-9]+', Number.Float, '#pop'), + (r'[0-9]+\.[0-9]*[eE][\+\-]?[0-9]+', Number.Float, '#pop'), + (r'[0-9]+\.[0-9]+', Number.Float, '#pop'), + (r'[0-9]+\.(?!' + ident + '|\.\.)', Number.Float, '#pop'), + + # Int + (r'0x[0-9a-fA-F]+', Number.Hex, '#pop'), + (r'[0-9]+', Number.Integer, '#pop'), + + # String + (r"'", String.Single, ('#pop', 'string-single')), + (r'"', String.Double, ('#pop', 'string-double')), + + # EReg + (r'~/(\\\\|\\/|[^/\n])*/[gim]*', String.Regex, '#pop'), + + # Array + (r'\[', Operator, ('#pop', 'array-decl')), + + include('type'), + ], + + # type-param part of a type + # ie. the <A,B> path in Map<A,B> + 'type-param': [ + include('spaces'), + default(('#pop', 'type-param-sep', 'type-param-type')), + ], + + 'type-param-sep': [ + include('spaces'), + (r'>', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'type-param')), + ], + + # optional type-param that may include constraint + # ie. <T:Constraint, T2:(ConstraintA,ConstraintB)> + 'type-param-constraint': [ + include('spaces'), + (r'<(?!=)', Punctuation, ('#pop', 'type-param-constraint-sep', + 'type-param-constraint-flag', 'type-name')), + default('#pop'), + ], + + 'type-param-constraint-sep': [ + include('spaces'), + (r'>', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'type-param-constraint-sep', + 'type-param-constraint-flag', 'type-name')), + ], + + # the optional constraint inside type-param + 'type-param-constraint-flag': [ + include('spaces'), + (r':', Punctuation, ('#pop', 'type-param-constraint-flag-type')), + default('#pop'), + ], + + 'type-param-constraint-flag-type': [ + include('spaces'), + (r'\(', Punctuation, ('#pop', 'type-param-constraint-flag-type-sep', + 'type')), + default(('#pop', 'type')), + ], + + 'type-param-constraint-flag-type-sep': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + (r',', Punctuation, 'type'), + ], + + # a parenthesis expr that contain exactly one expr + 'parenthesis': [ + include('spaces'), + default(('#pop', 'parenthesis-close', 'flag', 'expr')), + ], + + 'parenthesis-open': [ + include('spaces'), + (r'\(', Punctuation, '#pop'), + ], + + 'parenthesis-close': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + ], + + 'var': [ + include('spaces'), + (ident_no_keyword, Text, ('#pop', 'var-sep', 'assign', 'flag', 'prop-get-set')), + ], + + # optional more var decl. + 'var-sep': [ + include('spaces'), + (r',', Punctuation, ('#pop', 'var')), + default('#pop'), + ], + + # optional assignment + 'assign': [ + include('spaces'), + (r'=', Operator, ('#pop', 'expr')), + default('#pop'), + ], + + # optional type flag + 'flag': [ + include('spaces'), + (r':', Punctuation, ('#pop', 'type')), + default('#pop'), + ], + + # colon as part of a ternary operator (?:) + 'ternary': [ + include('spaces'), + (r':', Operator, '#pop'), + ], + + # function call + 'call': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + default(('#pop', 'call-sep', 'expr')), + ], + + # after a call param + 'call-sep': [ + include('spaces'), + (r'\)', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'call')), + ], + + # bracket can be block or object + 'bracket': [ + include('spaces'), + (r'(?!(?:\$\s*[a-z]\b|\$(?!'+ident+')))' + ident_no_keyword, Name, + ('#pop', 'bracket-check')), + (r"'", String.Single, ('#pop', 'bracket-check', 'string-single')), + (r'"', String.Double, ('#pop', 'bracket-check', 'string-double')), + default(('#pop', 'block')), + ], + + 'bracket-check': [ + include('spaces'), + (r':', Punctuation, ('#pop', 'object-sep', 'expr')), # is object + default(('#pop', 'block', 'optional-semicolon', 'expr-chain')), # is block + ], + + # code block + 'block': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + default('expr-statement'), + ], + + # object in key-value pairs + 'object': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + default(('#pop', 'object-sep', 'expr', 'colon', 'ident-or-string')) + ], + + # a key of an object + 'ident-or-string': [ + include('spaces'), + (ident_no_keyword, Name, '#pop'), + (r"'", String.Single, ('#pop', 'string-single')), + (r'"', String.Double, ('#pop', 'string-double')), + ], + + # after a key-value pair in object + 'object-sep': [ + include('spaces'), + (r'\}', Punctuation, '#pop'), + (r',', Punctuation, ('#pop', 'object')), + ], + + + + } + + def analyse_text(text): + if re.match(r'\w+\s*:\s*\w', text): + return 0.3 + + +class HxmlLexer(RegexLexer): + """ + Lexer for `haXe build <http://haxe.org/doc/compiler>`_ files. + + .. versionadded:: 1.6 + """ + name = 'Hxml' + aliases = ['haxeml', 'hxml'] + filenames = ['*.hxml'] + + tokens = { + 'root': [ + # Seperator + (r'(--)(next)', bygroups(Punctuation, Generic.Heading)), + # Compiler switches with one dash + (r'(-)(prompt|debug|v)', bygroups(Punctuation, Keyword.Keyword)), + # Compilerswitches with two dashes + (r'(--)(neko-source|flash-strict|flash-use-stage|no-opt|no-traces|' + r'no-inline|times|no-output)', bygroups(Punctuation, Keyword)), + # Targets and other options that take an argument + (r'(-)(cpp|js|neko|x|as3|swf9?|swf-lib|php|xml|main|lib|D|resource|' + r'cp|cmd)( +)(.+)', + bygroups(Punctuation, Keyword, Whitespace, String)), + # Options that take only numerical arguments + (r'(-)(swf-version)( +)(\d+)', + bygroups(Punctuation, Keyword, Number.Integer)), + # An Option that defines the size, the fps and the background + # color of an flash movie + (r'(-)(swf-header)( +)(\d+)(:)(\d+)(:)(\d+)(:)([A-Fa-f0-9]{6})', + bygroups(Punctuation, Keyword, Whitespace, Number.Integer, + Punctuation, Number.Integer, Punctuation, Number.Integer, + Punctuation, Number.Hex)), + # options with two dashes that takes arguments + (r'(--)(js-namespace|php-front|php-lib|remap|gen-hx-classes)( +)' + r'(.+)', bygroups(Punctuation, Keyword, Whitespace, String)), + # Single line comment, multiline ones are not allowed. + (r'#.*', Comment.Single) + ] + } |