text: define(function(require, exports, module) {
  "use strict";
  
  var oop = require("../lib/oop");
  var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
  var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
  
  var CSharpHighlightRules = function() {
      var keywordMapper = this.createKeywordMapper({
          "variable.language": "this",
          "keyword": "abstract|async|await|event|new|struct|as|explicit|null|switch|base|extern|object|this|bool|false|operator|throw|break|finally|out|true|byte|fixed|override|try|case|float|params|typeof|catch|for|private|uint|char|foreach|protected|ulong|checked|goto|public|unchecked|class|if|readonly|unsafe|const|implicit|ref|ushort|continue|in|return|using|decimal|int|sbyte|virtual|default|interface|sealed|volatile|delegate|internal|partial|short|void|do|is|sizeof|while|double|lock|stackalloc|else|long|static|enum|namespace|string|var|dynamic",
          "constant.language": "null|true|false"
      }, "identifier");
  
      // regexp must not have capturing parentheses. Use (?:) instead.
      // regexps are ordered -> the first match is used
  
      this.$rules = {
          "start" : [
              {
                  token : "comment",
                  regex : "\\/\\/.*$"
              },
              DocCommentHighlightRules.getStartRule("doc-start"),
              {
                  token : "comment", // multi line comment
                  regex : "\\/\\*",
                  next : "comment"
              }, {
                  token : "string", // character
                  regex : /'(?:.|\\(:?u[\da-fA-F]+|x[\da-fA-F]+|[tbrf'"n]))?'/
              }, {
                  token : "string", start : '"', end : '"|$', next: [
                      {token: "constant.language.escape", regex: /\\(:?u[\da-fA-F]+|x[\da-fA-F]+|[tbrf'"n])/},
                      {token: "invalid", regex: /\\./}
                  ]
              }, {
                  token : "string", start : '@"', end : '"', next:[
                      {token: "constant.language.escape", regex: '""'}
                  ]
              }, {
                  token : "string", start : /\$"/, end : '"|$', next: [
                      {token: "constant.language.escape", regex: /\\(:?$)|{{/},
                      {token: "constant.language.escape", regex: /\\(:?u[\da-fA-F]+|x[\da-fA-F]+|[tbrf'"n])/},
                      {token: "invalid", regex: /\\./}
                  ]
              }, {
                  token : "constant.numeric", // hex
                  regex : "0[xX][0-9a-fA-F]+\\b"
              }, {
                  token : "constant.numeric", // float
                  regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
              }, {
                  token : "constant.language.boolean",
                  regex : "(?:true|false)\\b"
              }, {
                  token : keywordMapper,
                  regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
              }, {
                  token : "keyword.operator",
                  regex : "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|instanceof|new|delete|typeof|void)"
              }, {
                  token : "keyword",
                  regex : "^\\s*#(if|else|elif|endif|define|undef|warning|error|line|region|endregion|pragma)"
              }, {
                  token : "punctuation.operator",
                  regex : "\\?|\\:|\\,|\\;|\\."
              }, {
                  token : "paren.lparen",
                  regex : "[[({]"
              }, {
                  token : "paren.rparen",
                  regex : "[\\])}]"
              }, {
                  token : "text",
                  regex : "\\s+"
              }
          ],
          "comment" : [
              {
                  token : "comment", // closing comment
                  regex : "\\*\\/",
                  next : "start"
              }, {
                  defaultToken : "comment"
              }
          ]
      };
  
      this.embedRules(DocCommentHighlightRules, "doc-",
          [ DocCommentHighlightRules.getEndRule("start") ]);
      this.normalizeRules();
  };
  
  oop.inherits(CSharpHighlightRules, TextHighlightRules);
  
  exports.CSharpHighlightRules = CSharpHighlightRules;
  });
  