text: # -*- coding: utf-8 -*-
  """
      pygments.lexers.javascript
      ~~~~~~~~~~~~~~~~~~~~~~~~~~
  
      Lexers for JavaScript and related languages.
  
      :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import re
  
  from pygments.lexer import RegexLexer, include, bygroups, default, using, this
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
      Number, Punctuation, Other
  from pygments.util import get_bool_opt, iteritems
  import pygments.unistring as uni
  
  __all__ = ['JavascriptLexer', 'KalLexer', 'LiveScriptLexer', 'DartLexer',
             'TypeScriptLexer', 'LassoLexer', 'ObjectiveJLexer',
             'CoffeeScriptLexer', 'MaskLexer']
  
  JS_IDENT_START = ('(?:[$_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl') +
                    ']|\\\\u[a-fA-F0-9]{4})')
  JS_IDENT_PART = ('(?:[$' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl',
                                         'Mn', 'Mc', 'Nd', 'Pc') +
                   u'\u200c\u200d]|\\\\u[a-fA-F0-9]{4})')
  JS_IDENT = JS_IDENT_START + '(?:' + JS_IDENT_PART + ')*'
  
  
  class JavascriptLexer(RegexLexer):
      """
      For JavaScript source code.
      """
  
      name = 'JavaScript'
      aliases = ['js', 'javascript']
      filenames = ['*.js', ]
      mimetypes = ['application/javascript', 'application/x-javascript',
                   'text/x-javascript', 'text/javascript', ]
  
      flags = re.DOTALL | re.UNICODE | re.MULTILINE
  
      tokens = {
          'commentsandwhitespace': [
              (r'\s+', Text),
              (r'<!--', Comment),
              (r'//.*?\n', Comment.Single),
              (r'/\*.*?\*/', Comment.Multiline)
          ],
          'slashstartsregex': [
              include('commentsandwhitespace'),
              (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex, '#pop'),
              (r'(?=/)', Text, ('#pop', 'badregex')),
              default('#pop')
          ],
          'badregex': [
              (r'\n', Text, '#pop')
          ],
          'root': [
              (r'\A#! ?/.*?\n', Comment),  # shebang lines are recognized by node.js
              (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
              include('commentsandwhitespace'),
              (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
               r'(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),
              (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
              (r'[})\].]', Punctuation),
              (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|'
               r'throw|try|catch|finally|new|delete|typeof|instanceof|void|yield|'
               r'this)\b', Keyword, 'slashstartsregex'),
              (r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
              (r'(abstract|boolean|byte|char|class|const|debugger|double|enum|export|'
               r'extends|final|float|goto|implements|import|int|interface|long|native|'
               r'package|private|protected|public|short|static|super|synchronized|throws|'
               r'transient|volatile)\b', Keyword.Reserved),
              (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
               r'window)\b', Name.Builtin),
              (JS_IDENT, Name.Other),
              (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
              (r'0x[0-9a-fA-F]+', Number.Hex),
              (r'[0-9]+', Number.Integer),
              (r'"(\\\\|\\"|[^"])*"', String.Double),
              (r"'(\\\\|\\'|[^'])*'", String.Single),
          ]
      }
  
  
  class KalLexer(RegexLexer):
      """
      For `Kal`_ source code.
  
      .. _Kal: http://rzimmerman.github.io/kal
  
  
      .. versionadded:: 2.0
      """
  
      name = 'Kal'
      aliases = ['kal']
      filenames = ['*.kal']
      mimetypes = ['text/kal', 'application/kal']
  
      flags = re.DOTALL
      tokens = {
          'commentsandwhitespace': [
              (r'\s+', Text),
              (r'###[^#].*?###', Comment.Multiline),
              (r'#(?!##[^#]).*?\n', Comment.Single),
          ],
          'functiondef': [
              (r'[$a-zA-Z_][\w$]*\s*', Name.Function, '#pop'),
              include('commentsandwhitespace'),
          ],
          'classdef': [
              (r'\binherits\s+from\b', Keyword),
              (r'[$a-zA-Z_][\w$]*\s*\n', Name.Class, '#pop'),
              (r'[$a-zA-Z_][\w$]*\s*', Name.Class),
              include('commentsandwhitespace'),
          ],
          'listcomprehension': [
              (r'\]', Punctuation, '#pop'),
              (r'\b(property|value)\b', Keyword),
              include('root'),
          ],
          'waitfor': [
              (r'\n', Punctuation, '#pop'),
              (r'\bfrom\b', Keyword),
              include('root'),
          ],
          'root': [
              include('commentsandwhitespace'),
              (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex),
              (r'\?|:|_(?=\n)|==?|!=|-(?!>)|[<>+*/-]=?',
               Operator),
              (r'\b(and|or|isnt|is|not|but|bitwise|mod|\^|xor|exists|'
               r'doesnt\s+exist)\b', Operator.Word),
              (r'(?:\([^()]+\))?\s*>', Name.Function),
              (r'[{(]', Punctuation),
              (r'\[', Punctuation, 'listcomprehension'),
              (r'[})\].,]', Punctuation),
              (r'\b(function|method|task)\b', Keyword.Declaration, 'functiondef'),
              (r'\bclass\b', Keyword.Declaration, 'classdef'),
              (r'\b(safe\s+)?wait\s+for\b', Keyword, 'waitfor'),
              (r'\b(me|this)(\.[$a-zA-Z_][\w.$]*)?\b', Name.Variable.Instance),
              (r'(?<![.$])(for(\s+(parallel|series))?|in|of|while|until|'
               r'break|return|continue|'
               r'when|if|unless|else|otherwise|except\s+when|'
               r'throw|raise|fail\s+with|try|catch|finally|new|delete|'
               r'typeof|instanceof|super|run\s+in\s+parallel|'
               r'inherits\s+from)\b', Keyword),
              (r'(?<![.$])(true|false|yes|no|on|off|null|nothing|none|'
               r'NaN|Infinity|undefined)\b',
               Keyword.Constant),
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'eval|isFinite|isNaN|parseFloat|parseInt|document|window|'
               r'print)\b',
               Name.Builtin),
              (r'[$a-zA-Z_][\w.$]*\s*(:|[+\-*/]?\=)?\b', Name.Variable),
              (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
              (r'0x[0-9a-fA-F]+', Number.Hex),
              (r'[0-9]+', Number.Integer),
              ('"""', String, 'tdqs'),
              ("'''", String, 'tsqs'),
              ('"', String, 'dqs'),
              ("'", String, 'sqs'),
          ],
          'strings': [
              (r'[^#\\\'"]+', String),
              # note that all kal strings are multi-line.
              # hashmarks, quotes and backslashes must be parsed one at a time
          ],
          'interpoling_string': [
              (r'\}', String.Interpol, "#pop"),
              include('root')
          ],
          'dqs': [
              (r'"', String, '#pop'),
              (r'\\.|\'', String),  # double-quoted string don't need ' escapes
              (r'#\{', String.Interpol, "interpoling_string"),
              include('strings')
          ],
          'sqs': [
              (r"'", String, '#pop'),
              (r'#|\\.|"', String),  # single quoted strings don't need " escapses
              include('strings')
          ],
          'tdqs': [
              (r'"""', String, '#pop'),
              (r'\\.|\'|"', String),  # no need to escape quotes in triple-string
              (r'#\{', String.Interpol, "interpoling_string"),
              include('strings'),
          ],
          'tsqs': [
              (r"'''", String, '#pop'),
              (r'#|\\.|\'|"', String),  # no need to escape quotes in triple-strings
              include('strings')
          ],
      }
  
  
  class LiveScriptLexer(RegexLexer):
      """
      For `LiveScript`_ source code.
  
      .. _LiveScript: http://gkz.github.com/LiveScript/
  
      New in Pygments 1.6.
      """
  
      name = 'LiveScript'
      aliases = ['live-script', 'livescript']
      filenames = ['*.ls']
      mimetypes = ['text/livescript']
  
      flags = re.DOTALL
      tokens = {
          'commentsandwhitespace': [
              (r'\s+', Text),
              (r'/\*.*?\*/', Comment.Multiline),
              (r'#.*?\n', Comment.Single),
          ],
          'multilineregex': [
              include('commentsandwhitespace'),
              (r'//([gim]+\b|\B)', String.Regex, '#pop'),
              (r'/', String.Regex),
              (r'[^/#]+', String.Regex)
          ],
          'slashstartsregex': [
              include('commentsandwhitespace'),
              (r'//', String.Regex, ('#pop', 'multilineregex')),
              (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex, '#pop'),
              default('#pop'),
          ],
          'root': [
              # this next expr leads to infinite loops root -> slashstartsregex
              # (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
              include('commentsandwhitespace'),
              (r'(?:\([^()]+\))?[ ]*[~-]{1,2}>|'
               r'(?:\(?[^()\n]+\)?)?[ ]*<[~-]{1,2}', Name.Function),
              (r'\+\+|&&|(?<![.$])\b(?:and|x?or|is|isnt|not)\b|\?|:|=|'
               r'\|\||\\(?=\n)|(<<|>>>?|==?|!=?|'
               r'~(?!\~?>)|-(?!\-?>)|<(?!\[)|(?<!\])>|'
               r'[+*`%&|^/])=?',
               Operator, 'slashstartsregex'),
              (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
              (r'[})\].]', Punctuation),
              (r'(?<![.$])(for|own|in|of|while|until|loop|break|'
               r'return|continue|switch|when|then|if|unless|else|'
               r'throw|try|catch|finally|new|delete|typeof|instanceof|super|'
               r'extends|this|class|by|const|var|to|til)\b', Keyword,
               'slashstartsregex'),
              (r'(?<![.$])(true|false|yes|no|on|off|'
               r'null|NaN|Infinity|undefined|void)\b',
               Keyword.Constant),
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'eval|isFinite|isNaN|parseFloat|parseInt|document|window)\b',
               Name.Builtin),
              (r'[$a-zA-Z_][\w.\-:$]*\s*[:=]\s', Name.Variable,
               'slashstartsregex'),
              (r'@[$a-zA-Z_][\w.\-:$]*\s*[:=]\s', Name.Variable.Instance,
               'slashstartsregex'),
              (r'@', Name.Other, 'slashstartsregex'),
              (r'@?[$a-zA-Z_][\w-]*', Name.Other, 'slashstartsregex'),
              (r'[0-9]+\.[0-9]+([eE][0-9]+)?[fd]?(?:[a-zA-Z_]+)?', Number.Float),
              (r'[0-9]+(~[0-9a-z]+)?(?:[a-zA-Z_]+)?', Number.Integer),
              ('"""', String, 'tdqs'),
              ("'''", String, 'tsqs'),
              ('"', String, 'dqs'),
              ("'", String, 'sqs'),
              (r'\\\S+', String),
              (r'<\[.*?\]>', String),
          ],
          'strings': [
              (r'[^#\\\'"]+', String),
              # note that all coffee script strings are multi-line.
              # hashmarks, quotes and backslashes must be parsed one at a time
          ],
          'interpoling_string': [
              (r'\}', String.Interpol, "#pop"),
              include('root')
          ],
          'dqs': [
              (r'"', String, '#pop'),
              (r'\\.|\'', String),  # double-quoted string don't need ' escapes
              (r'#\{', String.Interpol, "interpoling_string"),
              (r'#', String),
              include('strings')
          ],
          'sqs': [
              (r"'", String, '#pop'),
              (r'#|\\.|"', String),  # single quoted strings don't need " escapses
              include('strings')
          ],
          'tdqs': [
              (r'"""', String, '#pop'),
              (r'\\.|\'|"', String),  # no need to escape quotes in triple-string
              (r'#\{', String.Interpol, "interpoling_string"),
              (r'#', String),
              include('strings'),
          ],
          'tsqs': [
              (r"'''", String, '#pop'),
              (r'#|\\.|\'|"', String),  # no need to escape quotes in triple-strings
              include('strings')
          ],
      }
  
  
  class DartLexer(RegexLexer):
      """
      For `Dart <http://dartlang.org/>`_ source code.
  
      .. versionadded:: 1.5
      """
  
      name = 'Dart'
      aliases = ['dart']
      filenames = ['*.dart']
      mimetypes = ['text/x-dart']
  
      flags = re.MULTILINE | re.DOTALL
  
      tokens = {
          'root': [
              include('string_literal'),
              (r'#!(.*?)$', Comment.Preproc),
              (r'\b(import|export)\b', Keyword, 'import_decl'),
              (r'\b(library|source|part of|part)\b', Keyword),
              (r'[^\S\n]+', Text),
              (r'//.*?\n', Comment.Single),
              (r'/\*.*?\*/', Comment.Multiline),
              (r'\b(class)\b(\s+)',
               bygroups(Keyword.Declaration, Text), 'class'),
              (r'\b(assert|break|case|catch|continue|default|do|else|finally|for|'
               r'if|in|is|new|return|super|switch|this|throw|try|while)\b',
               Keyword),
              (r'\b(abstract|const|extends|factory|final|get|implements|'
               r'native|operator|set|static|typedef|var)\b', Keyword.Declaration),
              (r'\b(bool|double|Dynamic|int|num|Object|String|void)\b', Keyword.Type),
              (r'\b(false|null|true)\b', Keyword.Constant),
              (r'[~!%^&*+=|?:<>/-]|as\b', Operator),
              (r'[a-zA-Z_$]\w*:', Name.Label),
              (r'[a-zA-Z_$]\w*', Name),
              (r'[(){}\[\],.;]', Punctuation),
              (r'0[xX][0-9a-fA-F]+', Number.Hex),
              # DIGIT+ (‘.’ DIGIT*)? EXPONENT?
              (r'\d+(\.\d*)?([eE][+-]?\d+)?', Number),
              (r'\.\d+([eE][+-]?\d+)?', Number),  # ‘.’ DIGIT+ EXPONENT?
              (r'\n', Text)
              # pseudo-keyword negate intentionally left out
          ],
          'class': [
              (r'[a-zA-Z_$]\w*', Name.Class, '#pop')
          ],
          'import_decl': [
              include('string_literal'),
              (r'\s+', Text),
              (r'\b(as|show|hide)\b', Keyword),
              (r'[a-zA-Z_$]\w*', Name),
              (r'\,', Punctuation),
              (r'\;', Punctuation, '#pop')
          ],
          'string_literal': [
              # Raw strings.
              (r'r"""([\w\W]*?)"""', String.Double),
              (r"r'''([\w\W]*?)'''", String.Single),
              (r'r"(.*?)"', String.Double),
              (r"r'(.*?)'", String.Single),
              # Normal Strings.
              (r'"""', String.Double, 'string_double_multiline'),
              (r"'''", String.Single, 'string_single_multiline'),
              (r'"', String.Double, 'string_double'),
              (r"'", String.Single, 'string_single')
          ],
          'string_common': [
              (r"\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4}|u\{[0-9A-Fa-f]*\}|[a-z'\"$\\])",
               String.Escape),
              (r'(\$)([a-zA-Z_]\w*)', bygroups(String.Interpol, Name)),
              (r'(\$\{)(.*?)(\})',
               bygroups(String.Interpol, using(this), String.Interpol))
          ],
          'string_double': [
              (r'"', String.Double, '#pop'),
              (r'[^"$\\\n]+', String.Double),
              include('string_common'),
              (r'\$+', String.Double)
          ],
          'string_double_multiline': [
              (r'"""', String.Double, '#pop'),
              (r'[^"$\\]+', String.Double),
              include('string_common'),
              (r'(\$|\")+', String.Double)
          ],
          'string_single': [
              (r"'", String.Single, '#pop'),
              (r"[^'$\\\n]+", String.Single),
              include('string_common'),
              (r'\$+', String.Single)
          ],
          'string_single_multiline': [
              (r"'''", String.Single, '#pop'),
              (r'[^\'$\\]+', String.Single),
              include('string_common'),
              (r'(\$|\')+', String.Single)
          ]
      }
  
  
  class TypeScriptLexer(RegexLexer):
      """
      For `TypeScript <http://typescriptlang.org/>`_ source code.
  
      .. versionadded:: 1.6
      """
  
      name = 'TypeScript'
      aliases = ['ts']
      filenames = ['*.ts']
      mimetypes = ['text/x-typescript']
  
      flags = re.DOTALL | re.MULTILINE
  
      tokens = {
          'commentsandwhitespace': [
              (r'\s+', Text),
              (r'<!--', Comment),
              (r'//.*?\n', Comment.Single),
              (r'/\*.*?\*/', Comment.Multiline)
          ],
          'slashstartsregex': [
              include('commentsandwhitespace'),
              (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex, '#pop'),
              (r'(?=/)', Text, ('#pop', 'badregex')),
              default('#pop')
          ],
          'badregex': [
              (r'\n', Text, '#pop')
          ],
          'root': [
              (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
              include('commentsandwhitespace'),
              (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
               r'(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),
              (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
              (r'[})\].]', Punctuation),
              (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|'
               r'throw|try|catch|finally|new|delete|typeof|instanceof|void|'
               r'this)\b', Keyword, 'slashstartsregex'),
              (r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
              (r'(abstract|boolean|byte|char|class|const|debugger|double|enum|export|'
               r'extends|final|float|goto|implements|import|int|interface|long|native|'
               r'package|private|protected|public|short|static|super|synchronized|throws|'
               r'transient|volatile)\b', Keyword.Reserved),
              (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
               r'window)\b', Name.Builtin),
              # Match stuff like: module name {...}
              (r'\b(module)(\s*)(\s*[\w?.$][\w?.$]*)(\s*)',
               bygroups(Keyword.Reserved, Text, Name.Other, Text), 'slashstartsregex'),
              # Match variable type keywords
              (r'\b(string|bool|number)\b', Keyword.Type),
              # Match stuff like: constructor
              (r'\b(constructor|declare|interface|as|AS)\b', Keyword.Reserved),
              # Match stuff like: super(argument, list)
              (r'(super)(\s*)(\([\w,?.$\s]+\s*\))',
               bygroups(Keyword.Reserved, Text), 'slashstartsregex'),
              # Match stuff like: function() {...}
              (r'([a-zA-Z_?.$][\w?.$]*)\(\) \{', Name.Other, 'slashstartsregex'),
              # Match stuff like: (function: return type)
              (r'([\w?.$][\w?.$]*)(\s*:\s*)([\w?.$][\w?.$]*)',
               bygroups(Name.Other, Text, Keyword.Type)),
              (r'[$a-zA-Z_]\w*', Name.Other),
              (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
              (r'0x[0-9a-fA-F]+', Number.Hex),
              (r'[0-9]+', Number.Integer),
              (r'"(\\\\|\\"|[^"])*"', String.Double),
              (r"'(\\\\|\\'|[^'])*'", String.Single),
          ]
      }
  
  
  class LassoLexer(RegexLexer):
      """
      For `Lasso <http://www.lassosoft.com/>`_ source code, covering both Lasso 9
      syntax and LassoScript for Lasso 8.6 and earlier. For Lasso embedded in
      HTML, use the `LassoHtmlLexer`.
  
      Additional options accepted:
  
      `builtinshighlighting`
          If given and ``True``, highlight builtin types, traits, methods, and
          members (default: ``True``).
      `requiredelimiters`
          If given and ``True``, only highlight code between delimiters as Lasso
          (default: ``False``).
  
      .. versionadded:: 1.6
      """
  
      name = 'Lasso'
      aliases = ['lasso', 'lassoscript']
      filenames = ['*.lasso', '*.lasso[89]']
      alias_filenames = ['*.incl', '*.inc', '*.las']
      mimetypes = ['text/x-lasso']
      flags = re.IGNORECASE | re.DOTALL | re.MULTILINE
  
      tokens = {
          'root': [
              (r'^#!.+lasso9\b', Comment.Preproc, 'lasso'),
              (r'\[no_square_brackets\]', Comment.Preproc, 'nosquarebrackets'),
              (r'\[noprocess\]', Comment.Preproc, ('delimiters', 'noprocess')),
              (r'\[', Comment.Preproc, ('delimiters', 'squarebrackets')),
              (r'<\?(LassoScript|lasso|=)', Comment.Preproc,
                  ('delimiters', 'anglebrackets')),
              (r'<(!--.*?-->)?', Other, 'delimiters'),
              (r'\s+', Other),
              default(('delimiters', 'lassofile')),
          ],
          'delimiters': [
              (r'\[no_square_brackets\]', Comment.Preproc, 'nosquarebrackets'),
              (r'\[noprocess\]', Comment.Preproc, 'noprocess'),
              (r'\[', Comment.Preproc, 'squarebrackets'),
              (r'<\?(LassoScript|lasso|=)', Comment.Preproc, 'anglebrackets'),
              (r'<(!--.*?-->)?', Other),
              (r'[^[<]+', Other),
          ],
          'nosquarebrackets': [
              (r'<\?(LassoScript|lasso|=)', Comment.Preproc, 'anglebrackets'),
              (r'<', Other),
              (r'[^<]+', Other),
          ],
          'noprocess': [
              (r'\[/noprocess\]', Comment.Preproc, '#pop'),
              (r'\[', Other),
              (r'[^[]', Other),
          ],
          'squarebrackets': [
              (r'\]', Comment.Preproc, '#pop'),
              include('lasso'),
          ],
          'anglebrackets': [
              (r'\?>', Comment.Preproc, '#pop'),
              include('lasso'),
          ],
          'lassofile': [
              (r'\]|\?>', Comment.Preproc, '#pop'),
              include('lasso'),
          ],
          'whitespacecomments': [
              (r'\s+', Text),
              (r'//.*?\n', Comment.Single),
              (r'/\*\*!.*?\*/', String.Doc),
              (r'/\*.*?\*/', Comment.Multiline),
          ],
          'lasso': [
              # whitespace/comments
              include('whitespacecomments'),
  
              # literals
              (r'\d*\.\d+(e[+-]?\d+)?', Number.Float),
              (r'0x[\da-f]+', Number.Hex),
              (r'\d+', Number.Integer),
              (r'([+-]?)(infinity|NaN)\b', bygroups(Operator, Number)),
              (r"'", String.Single, 'singlestring'),
              (r'"', String.Double, 'doublestring'),
              (r'`[^`]*`', String.Backtick),
  
              # names
              (r'\$[a-z_][\w.]*', Name.Variable),
              (r'#([a-z_][\w.]*|\d+)', Name.Variable.Instance),
              (r"(\.)('[a-z_][\w.]*')",
                  bygroups(Name.Builtin.Pseudo, Name.Variable.Class)),
              (r"(self)(\s*->\s*)('[a-z_][\w.]*')",
                  bygroups(Name.Builtin.Pseudo, Operator, Name.Variable.Class)),
              (r'(\.\.?)([a-z_][\w.]*(=(?!=))?)',
                  bygroups(Name.Builtin.Pseudo, Name.Other.Member)),
              (r'(->\\?\s*|&\s*)([a-z_][\w.]*(=(?!=))?)',
                  bygroups(Operator, Name.Other.Member)),
              (r'(self|inherited)\b', Name.Builtin.Pseudo),
              (r'-[a-z_][\w.]*', Name.Attribute),
              (r'::\s*[a-z_][\w.]*', Name.Label),
              (r'(error_(code|msg)_\w+|Error_AddError|Error_ColumnRestriction|'
               r'Error_DatabaseConnectionUnavailable|Error_DatabaseTimeout|'
               r'Error_DeleteError|Error_FieldRestriction|Error_FileNotFound|'
               r'Error_InvalidDatabase|Error_InvalidPassword|'
               r'Error_InvalidUsername|Error_ModuleNotFound|'
               r'Error_NoError|Error_NoPermission|Error_OutOfMemory|'
               r'Error_ReqColumnMissing|Error_ReqFieldMissing|'
               r'Error_RequiredColumnMissing|Error_RequiredFieldMissing|'
               r'Error_UpdateError)\b', Name.Exception),
  
              # definitions
              (r'(define)(\s+)([a-z_][\w.]*)(\s*=>\s*)(type|trait|thread)\b',
                  bygroups(Keyword.Declaration, Text, Name.Class, Operator, Keyword)),
              (r'(define)(\s+)([a-z_][\w.]*)(\s*->\s*)([a-z_][\w.]*=?|[-+*/%])',
                  bygroups(Keyword.Declaration, Text, Name.Class, Operator,
                           Name.Function), 'signature'),
              (r'(define)(\s+)([a-z_][\w.]*)',
                  bygroups(Keyword.Declaration, Text, Name.Function), 'signature'),
              (r'(public|protected|private|provide)(\s+)(([a-z_][\w.]*=?|[-+*/%])'
               r'(?=\s*\())', bygroups(Keyword, Text, Name.Function),
                  'signature'),
              (r'(public|protected|private|provide)(\s+)([a-z_][\w.]*)',
                  bygroups(Keyword, Text, Name.Function)),
  
              # keywords
              (r'(true|false|none|minimal|full|all|void)\b', Keyword.Constant),
              (r'(local|var|variable|global|data(?=\s))\b', Keyword.Declaration),
              (r'(array|date|decimal|duration|integer|map|pair|string|tag|xml|'
               r'null|bytes|list|queue|set|stack|staticarray|tie)\b', Keyword.Type),
              (r'([a-z_][\w.]*)(\s+)(in)\b', bygroups(Name, Text, Keyword)),
              (r'(let|into)(\s+)([a-z_][\w.]*)', bygroups(Keyword, Text, Name)),
              (r'require\b', Keyword, 'requiresection'),
              (r'(/?)(Namespace_Using)\b', bygroups(Punctuation, Keyword.Namespace)),
              (r'(/?)(Cache|Database_Names|Database_SchemaNames|'
               r'Database_TableNames|Define_Tag|Define_Type|Email_Batch|'
               r'Encode_Set|HTML_Comment|Handle|Handle_Error|Header|If|Inline|'
               r'Iterate|LJAX_Target|Link|Link_CurrentAction|Link_CurrentGroup|'
               r'Link_CurrentRecord|Link_Detail|Link_FirstGroup|'
               r'Link_FirstRecord|Link_LastGroup|Link_LastRecord|Link_NextGroup|'
               r'Link_NextRecord|Link_PrevGroup|Link_PrevRecord|Log|Loop|'
               r'NoProcess|Output_None|Portal|Private|Protect|Records|Referer|'
               r'Referrer|Repeating|ResultSet|Rows|Search_Args|Search_Arguments|'
               r'Select|Sort_Args|Sort_Arguments|Thread_Atomic|Value_List|While|'
               r'Abort|Case|Else|If_Empty|If_False|If_Null|If_True|Loop_Abort|'
               r'Loop_Continue|Loop_Count|Params|Params_Up|Return|Return_Value|'
               r'Run_Children|SOAP_DefineTag|SOAP_LastRequest|SOAP_LastResponse|'
               r'Tag_Name|ascending|average|by|define|descending|do|equals|'
               r'frozen|group|handle_failure|import|in|into|join|let|match|max|'
               r'min|on|order|parent|protected|provide|public|require|returnhome|'
               r'skip|split_thread|sum|take|thread|to|trait|type|where|with|'
               r'yield|yieldhome)\b',
                  bygroups(Punctuation, Keyword)),
  
              # other
              (r',', Punctuation, 'commamember'),
              (r'(and|or|not)\b', Operator.Word),
              (r'([a-z_][\w.]*)(\s*::\s*[a-z_][\w.]*)?(\s*=(?!=))',
                  bygroups(Name, Name.Label, Operator)),
              (r'(/?)([\w.]+)', bygroups(Punctuation, Name.Other)),
              (r'(=)(n?bw|n?ew|n?cn|lte?|gte?|n?eq|n?rx|ft)\b',
                  bygroups(Operator, Operator.Word)),
              (r':=|[-+*/%=<>&|!?\\]+', Operator),
              (r'[{}():;,@^]', Punctuation),
          ],
          'singlestring': [
              (r"'", String.Single, '#pop'),
              (r"[^'\\]+", String.Single),
              include('escape'),
              (r"\\", String.Single),
          ],
          'doublestring': [
              (r'"', String.Double, '#pop'),
              (r'[^"\\]+', String.Double),
              include('escape'),
              (r'\\', String.Double),
          ],
          'escape': [
              (r'\\(U[\da-f]{8}|u[\da-f]{4}|x[\da-f]{1,2}|[0-7]{1,3}|:[^:]+:|'
               r'[abefnrtv?"\'\\]|$)', String.Escape),
          ],
          'signature': [
              (r'=>', Operator, '#pop'),
              (r'\)', Punctuation, '#pop'),
              (r'[(,]', Punctuation, 'parameter'),
              include('lasso'),
          ],
          'parameter': [
              (r'\)', Punctuation, '#pop'),
              (r'-?[a-z_][\w.]*', Name.Attribute, '#pop'),
              (r'\.\.\.', Name.Builtin.Pseudo),
              include('lasso'),
          ],
          'requiresection': [
              (r'(([a-z_][\w.]*=?|[-+*/%])(?=\s*\())', Name, 'requiresignature'),
              (r'(([a-z_][\w.]*=?|[-+*/%])(?=(\s*::\s*[\w.]+)?\s*,))', Name),
              (r'[a-z_][\w.]*=?|[-+*/%]', Name, '#pop'),
              (r'::\s*[a-z_][\w.]*', Name.Label),
              (r',', Punctuation),
              include('whitespacecomments'),
          ],
          'requiresignature': [
              (r'(\)(?=(\s*::\s*[\w.]+)?\s*,))', Punctuation, '#pop'),
              (r'\)', Punctuation, '#pop:2'),
              (r'-?[a-z_][\w.]*', Name.Attribute),
              (r'::\s*[a-z_][\w.]*', Name.Label),
              (r'\.\.\.', Name.Builtin.Pseudo),
              (r'[(,]', Punctuation),
              include('whitespacecomments'),
          ],
          'commamember': [
              (r'(([a-z_][\w.]*=?|[-+*/%])'
               r'(?=\s*(\(([^()]*\([^()]*\))*[^)]*\)\s*)?(::[\w.\s]+)?=>))',
                  Name.Function, 'signature'),
              include('whitespacecomments'),
              default('#pop'),
          ],
      }
  
      def __init__(self, **options):
          self.builtinshighlighting = get_bool_opt(
              options, 'builtinshighlighting', True)
          self.requiredelimiters = get_bool_opt(
              options, 'requiredelimiters', False)
  
          self._builtins = set()
          self._members = set()
          if self.builtinshighlighting:
              from pygments.lexers._lasso_builtins import BUILTINS, MEMBERS
              for key, value in iteritems(BUILTINS):
                  self._builtins.update(value)
              for key, value in iteritems(MEMBERS):
                  self._members.update(value)
          RegexLexer.__init__(self, **options)
  
      def get_tokens_unprocessed(self, text):
          stack = ['root']
          if self.requiredelimiters:
              stack.append('delimiters')
          for index, token, value in \
                  RegexLexer.get_tokens_unprocessed(self, text, stack):
              if (token is Name.Other and value.lower() in self._builtins or
                      token is Name.Other.Member and
                      value.lower().rstrip('=') in self._members):
                  yield index, Name.Builtin, value
                  continue
              yield index, token, value
  
      def analyse_text(text):
          rv = 0.0
          if 'bin/lasso9' in text:
              rv += 0.8
          if re.search(r'<\?lasso', text, re.I):
              rv += 0.4
          if re.search(r'local\(', text, re.I):
              rv += 0.4
          return rv
  
  
  class ObjectiveJLexer(RegexLexer):
      """
      For Objective-J source code with preprocessor directives.
  
      .. versionadded:: 1.3
      """
  
      name = 'Objective-J'
      aliases = ['objective-j', 'objectivej', 'obj-j', 'objj']
      filenames = ['*.j']
      mimetypes = ['text/x-objective-j']
  
      #: optional Comment or Whitespace
      _ws = r'(?:\s|//.*?\n|/[*].*?[*]/)*'
  
      flags = re.DOTALL | re.MULTILINE
  
      tokens = {
          'root': [
              include('whitespace'),
  
              # function definition
              (r'^(' + _ws + r'[+-]' + _ws + r')([(a-zA-Z_].*?[^(])(' + _ws + r'\{)',
               bygroups(using(this), using(this, state='function_signature'),
                        using(this))),
  
              # class definition
              (r'(@interface|@implementation)(\s+)', bygroups(Keyword, Text),
               'classname'),
              (r'(@class|@protocol)(\s*)', bygroups(Keyword, Text),
               'forward_classname'),
              (r'(\s*)(@end)(\s*)', bygroups(Text, Keyword, Text)),
  
              include('statements'),
              ('[{()}]', Punctuation),
              (';', Punctuation),
          ],
          'whitespace': [
              (r'(@import)(\s+)("(?:\\\\|\\"|[^"])*")',
               bygroups(Comment.Preproc, Text, String.Double)),
              (r'(@import)(\s+)(<(?:\\\\|\\>|[^>])*>)',
               bygroups(Comment.Preproc, Text, String.Double)),
              (r'(#(?:include|import))(\s+)("(?:\\\\|\\"|[^"])*")',
               bygroups(Comment.Preproc, Text, String.Double)),
              (r'(#(?:include|import))(\s+)(<(?:\\\\|\\>|[^>])*>)',
               bygroups(Comment.Preproc, Text, String.Double)),
  
              (r'#if\s+0', Comment.Preproc, 'if0'),
              (r'#', Comment.Preproc, 'macro'),
  
              (r'\n', Text),
              (r'\s+', Text),
              (r'\\\n', Text),  # line continuation
              (r'//(\n|(.|\n)*?[^\\]\n)', Comment.Single),
              (r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline),
              (r'<!--', Comment),
          ],
          'slashstartsregex': [
              include('whitespace'),
              (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex, '#pop'),
              (r'(?=/)', Text, ('#pop', 'badregex')),
              default('#pop'),
          ],
          'badregex': [
              (r'\n', Text, '#pop'),
          ],
          'statements': [
              (r'(L|@)?"', String, 'string'),
              (r"(L|@)?'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'",
               String.Char),
              (r'"(\\\\|\\"|[^"])*"', String.Double),
              (r"'(\\\\|\\'|[^'])*'", String.Single),
              (r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?', Number.Float),
              (r'(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float),
              (r'0x[0-9a-fA-F]+[Ll]?', Number.Hex),
              (r'0[0-7]+[Ll]?', Number.Oct),
              (r'\d+[Ll]?', Number.Integer),
  
              (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
  
              (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
               r'(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?',
               Operator, 'slashstartsregex'),
              (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
              (r'[})\].]', Punctuation),
  
              (r'(for|in|while|do|break|return|continue|switch|case|default|if|'
               r'else|throw|try|catch|finally|new|delete|typeof|instanceof|void|'
               r'prototype|__proto__)\b', Keyword, 'slashstartsregex'),
  
              (r'(var|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
  
              (r'(@selector|@private|@protected|@public|@encode|'
               r'@synchronized|@try|@throw|@catch|@finally|@end|@property|'
               r'@synthesize|@dynamic|@for|@accessors|new)\b', Keyword),
  
              (r'(int|long|float|short|double|char|unsigned|signed|void|'
               r'id|BOOL|bool|boolean|IBOutlet|IBAction|SEL|@outlet|@action)\b',
               Keyword.Type),
  
              (r'(self|super)\b', Name.Builtin),
  
              (r'(TRUE|YES|FALSE|NO|Nil|nil|NULL)\b', Keyword.Constant),
              (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
              (r'(ABS|ASIN|ACOS|ATAN|ATAN2|SIN|COS|TAN|EXP|POW|CEIL|FLOOR|ROUND|'
               r'MIN|MAX|RAND|SQRT|E|LN2|LN10|LOG2E|LOG10E|PI|PI2|PI_2|SQRT1_2|'
               r'SQRT2)\b', Keyword.Constant),
  
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
               r'window)\b', Name.Builtin),
  
              (r'([$a-zA-Z_]\w*)(' + _ws + r')(?=\()',
               bygroups(Name.Function, using(this))),
  
              (r'[$a-zA-Z_]\w*', Name),
          ],
          'classname': [
              # interface definition that inherits
              (r'([a-zA-Z_]\w*)(' + _ws + r':' + _ws +
               r')([a-zA-Z_]\w*)?',
               bygroups(Name.Class, using(this), Name.Class), '#pop'),
              # interface definition for a category
              (r'([a-zA-Z_]\w*)(' + _ws + r'\()([a-zA-Z_]\w*)(\))',
               bygroups(Name.Class, using(this), Name.Label, Text), '#pop'),
              # simple interface / implementation
              (r'([a-zA-Z_]\w*)', Name.Class, '#pop'),
          ],
          'forward_classname': [
              (r'([a-zA-Z_]\w*)(\s*,\s*)',
               bygroups(Name.Class, Text), '#push'),
              (r'([a-zA-Z_]\w*)(\s*;?)',
               bygroups(Name.Class, Text), '#pop'),
          ],
          'function_signature': [
              include('whitespace'),
  
              # start of a selector w/ parameters
              (r'(\(' + _ws + r')'                # open paren
               r'([a-zA-Z_]\w+)'                  # return type
               r'(' + _ws + r'\)' + _ws + r')'    # close paren
               r'([$a-zA-Z_]\w+' + _ws + r':)',   # function name
               bygroups(using(this), Keyword.Type, using(this),
                        Name.Function), 'function_parameters'),
  
              # no-param function
              (r'(\(' + _ws + r')'                # open paren
               r'([a-zA-Z_]\w+)'                  # return type
               r'(' + _ws + r'\)' + _ws + r')'    # close paren
               r'([$a-zA-Z_]\w+)',                # function name
               bygroups(using(this), Keyword.Type, using(this),
                        Name.Function), "#pop"),
  
              # no return type given, start of a selector w/ parameters
              (r'([$a-zA-Z_]\w+' + _ws + r':)',   # function name
               bygroups(Name.Function), 'function_parameters'),
  
              # no return type given, no-param function
              (r'([$a-zA-Z_]\w+)',                # function name
               bygroups(Name.Function), "#pop"),
  
              default('#pop'),
          ],
          'function_parameters': [
              include('whitespace'),
  
              # parameters
              (r'(\(' + _ws + ')'                 # open paren
               r'([^)]+)'                        # type
               r'(' + _ws + r'\)' + _ws + r')'    # close paren
               r'([$a-zA-Z_]\w+)',      # param name
               bygroups(using(this), Keyword.Type, using(this), Text)),
  
              # one piece of a selector name
              (r'([$a-zA-Z_]\w+' + _ws + r':)',   # function name
               Name.Function),
  
              # smallest possible selector piece
              (r'(:)', Name.Function),
  
              # var args
              (r'(,' + _ws + r'\.\.\.)', using(this)),
  
              # param name
              (r'([$a-zA-Z_]\w+)', Text),
          ],
          'expression': [
              (r'([$a-zA-Z_]\w*)(\()', bygroups(Name.Function,
                                                Punctuation)),
              (r'(\))', Punctuation, "#pop"),
          ],
          'string': [
              (r'"', String, '#pop'),
              (r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|[0-7]{1,3})', String.Escape),
              (r'[^\\"\n]+', String),  # all other characters
              (r'\\\n', String),  # line continuation
              (r'\\', String),  # stray backslash
          ],
          'macro': [
              (r'[^/\n]+', Comment.Preproc),
              (r'/[*](.|\n)*?[*]/', Comment.Multiline),
              (r'//.*?\n', Comment.Single, '#pop'),
              (r'/', Comment.Preproc),
              (r'(?<=\\)\n', Comment.Preproc),
              (r'\n', Comment.Preproc, '#pop'),
          ],
          'if0': [
              (r'^\s*#if.*?(?<!\\)\n', Comment.Preproc, '#push'),
              (r'^\s*#endif.*?(?<!\\)\n', Comment.Preproc, '#pop'),
              (r'.*?\n', Comment),
          ]
      }
  
      def analyse_text(text):
          if re.search('^\s*@import\s+[<"]', text, re.MULTILINE):
              # special directive found in most Objective-J files
              return True
          return False
  
  
  class CoffeeScriptLexer(RegexLexer):
      """
      For `CoffeeScript`_ source code.
  
      .. _CoffeeScript: http://coffeescript.org
  
      .. versionadded:: 1.3
      """
  
      name = 'CoffeeScript'
      aliases = ['coffee-script', 'coffeescript', 'coffee']
      filenames = ['*.coffee']
      mimetypes = ['text/coffeescript']
  
      flags = re.DOTALL
      tokens = {
          'commentsandwhitespace': [
              (r'\s+', Text),
              (r'###[^#].*?###', Comment.Multiline),
              (r'#(?!##[^#]).*?\n', Comment.Single),
          ],
          'multilineregex': [
              (r'[^/#]+', String.Regex),
              (r'///([gim]+\b|\B)', String.Regex, '#pop'),
              (r'#\{', String.Interpol, 'interpoling_string'),
              (r'[/#]', String.Regex),
          ],
          'slashstartsregex': [
              include('commentsandwhitespace'),
              (r'///', String.Regex, ('#pop', 'multilineregex')),
              (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
               r'([gim]+\b|\B)', String.Regex, '#pop'),
              default('#pop'),
          ],
          'root': [
              # this next expr leads to infinite loops root -> slashstartsregex
              # (r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
              include('commentsandwhitespace'),
              (r'\+\+|~|&&|\band\b|\bor\b|\bis\b|\bisnt\b|\bnot\b|\?|:|'
               r'\|\||\\(?=\n)|'
               r'(<<|>>>?|==?(?!>)|!=?|=(?!>)|-(?!>)|[<>+*`%&|^/])=?',
               Operator, 'slashstartsregex'),
              (r'(?:\([^()]*\))?\s*[=-]>', Name.Function),
              (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
              (r'[})\].]', Punctuation),
              (r'(?<![.$])(for|own|in|of|while|until|'
               r'loop|break|return|continue|'
               r'switch|when|then|if|unless|else|'
               r'throw|try|catch|finally|new|delete|typeof|instanceof|super|'
               r'extends|this|class|by)\b', Keyword, 'slashstartsregex'),
              (r'(?<![.$])(true|false|yes|no|on|off|null|'
               r'NaN|Infinity|undefined)\b',
               Keyword.Constant),
              (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
               r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
               r'decodeURIComponent|encodeURI|encodeURIComponent|'
               r'eval|isFinite|isNaN|parseFloat|parseInt|document|window)\b',
               Name.Builtin),
              (r'[$a-zA-Z_][\w.:$]*\s*[:=]\s', Name.Variable,
               'slashstartsregex'),
              (r'@[$a-zA-Z_][\w.:$]*\s*[:=]\s', Name.Variable.Instance,
               'slashstartsregex'),
              (r'@', Name.Other, 'slashstartsregex'),
              (r'@?[$a-zA-Z_][\w$]*', Name.Other, 'slashstartsregex'),
              (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
              (r'0x[0-9a-fA-F]+', Number.Hex),
              (r'[0-9]+', Number.Integer),
              ('"""', String, 'tdqs'),
              ("'''", String, 'tsqs'),
              ('"', String, 'dqs'),
              ("'", String, 'sqs'),
          ],
          'strings': [
              (r'[^#\\\'"]+', String),
              # note that all coffee script strings are multi-line.
              # hashmarks, quotes and backslashes must be parsed one at a time
          ],
          'interpoling_string': [
              (r'\}', String.Interpol, "#pop"),
              include('root')
          ],
          'dqs': [
              (r'"', String, '#pop'),
              (r'\\.|\'', String),  # double-quoted string don't need ' escapes
              (r'#\{', String.Interpol, "interpoling_string"),
              (r'#', String),
              include('strings')
          ],
          'sqs': [
              (r"'", String, '#pop'),
              (r'#|\\.|"', String),  # single quoted strings don't need " escapses
              include('strings')
          ],
          'tdqs': [
              (r'"""', String, '#pop'),
              (r'\\.|\'|"', String),  # no need to escape quotes in triple-string
              (r'#\{', String.Interpol, "interpoling_string"),
              (r'#', String),
              include('strings'),
          ],
          'tsqs': [
              (r"'''", String, '#pop'),
              (r'#|\\.|\'|"', String),  # no need to escape quotes in triple-strings
              include('strings')
          ],
      }
  
  
  class MaskLexer(RegexLexer):
      """
      For `Mask <http://github.com/atmajs/MaskJS>`__ markup.
  
      .. versionadded:: 2.0
      """
      name = 'Mask'
      aliases = ['mask']
      filenames = ['*.mask']
      mimetypes = ['text/x-mask']
  
      flags = re.MULTILINE | re.IGNORECASE | re.DOTALL
      tokens = {
          'root': [
              (r'\s+', Text),
              (r'//.*?\n', Comment.Single),
              (r'/\*.*?\*/', Comment.Multiline),
              (r'[{};>]', Punctuation),
              (r"'''", String, 'string-trpl-single'),
              (r'"""', String, 'string-trpl-double'),
              (r"'", String, 'string-single'),
              (r'"', String, 'string-double'),
              (r'([\w-]+)', Name.Tag, 'node'),
              (r'([^.#;{>\s]+)', Name.Class, 'node'),
              (r'(#[\w-]+)', Name.Function, 'node'),
              (r'(\.[\w-]+)', Name.Variable.Class, 'node')
          ],
          'string-base': [
              (r'\\.', String.Escape),
              (r'~\[', String.Interpol, 'interpolation'),
              (r'.', String.Single),
          ],
          'string-single': [
              (r"'", String.Single, '#pop'),
              include('string-base')
          ],
          'string-double': [
              (r'"', String.Single, '#pop'),
              include('string-base')
          ],
          'string-trpl-single': [
              (r"'''", String.Single, '#pop'),
              include('string-base')
          ],
          'string-trpl-double': [
              (r'"""', String.Single, '#pop'),
              include('string-base')
          ],
          'interpolation': [
              (r'\]', String.Interpol, '#pop'),
              (r'\s*:', String.Interpol, 'expression'),
              (r'\s*\w+:', Name.Other),
              (r'[^\]]+', String.Interpol)
          ],
          'expression': [
              (r'[^\]]+', using(JavascriptLexer), '#pop')
          ],
          'node': [
              (r'\s+', Text),
              (r'\.', Name.Variable.Class, 'node-class'),
              (r'\#', Name.Function, 'node-id'),
              (r'style[ \t]*=', Name.Attribute, 'node-attr-style-value'),
              (r'[\w:-]+[ \t]*=', Name.Attribute, 'node-attr-value'),
              (r'[\w:-]+', Name.Attribute),
              (r'[>{;]', Punctuation, '#pop')
          ],
          'node-class': [
              (r'[\w-]+', Name.Variable.Class),
              (r'~\[', String.Interpol, 'interpolation'),
              default('#pop')
          ],
          'node-id': [
              (r'[\w-]+', Name.Function),
              (r'~\[', String.Interpol, 'interpolation'),
              default('#pop')
          ],
          'node-attr-value': [
              (r'\s+', Text),
              (r'\w+', Name.Variable, '#pop'),
              (r"'", String, 'string-single-pop2'),
              (r'"', String, 'string-double-pop2'),
              default('#pop')
          ],
          'node-attr-style-value': [
              (r'\s+', Text),
              (r"'", String.Single, 'css-single-end'),
              (r'"', String.Single, 'css-double-end'),
              include('node-attr-value')
          ],
          'css-base': [
              (r'\s+', Text),
              (r";", Punctuation),
              (r"[\w\-]+\s*:", Name.Builtin)
          ],
          'css-single-end': [
              include('css-base'),
              (r"'", String.Single, '#pop:2'),
              (r"[^;']+", Name.Entity)
          ],
          'css-double-end': [
              include('css-base'),
              (r'"', String.Single, '#pop:2'),
              (r'[^;"]+', Name.Entity)
          ],
          'string-single-pop2': [
              (r"'", String.Single, '#pop:2'),
              include('string-base')
          ],
          'string-double-pop2': [
              (r'"', String.Single, '#pop:2'),
              include('string-base')
          ],
      }
  