ace.provide("ace.mode.JavaScriptHighlightRules");

ace.mode.JavaScriptHighlightRules = function() {

    var keywords = {
        "break" : 1,
        "case" : 1,
        "catch" : 1,
        "continue" : 1,
        "default" : 1,
        "delete" : 1,
        "do" : 1,
        "else" : 1,
        "finally" : 1,
        "for" : 1,
        "function" : 1,
        "if" : 1,
        "in" : 1,
        "instanceof" : 1,
        "new" : 1,
        "return" : 1,
        "switch" : 1,
        "throw" : 1,
        "try" : 1,
        "typeof" : 1,
        "var" : 1,
        "while" : 1,
        "with" : 1
    };

    // regexp must not have capturing parentheses. Use (?:) instead.
    // regexps are ordered -> the first match is used

    this._rules = {
        "start" : [ {
            token : "comment",
            regex : "\\/\\/.*$"
        }, {
            token : "doc-comment", // doc comment
            regex : "\\/\\*\\*",
            next : "doc-comment"
        }, {
            token : "comment", // multi line comment
            regex : "\\/\\*",
            next : "comment"
        }, {
            token : "string", // single line
            regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
        }, {
            token : "string", // multi line string start
            regex : '["].*\\\\$',
            next : "qqstring"
        }, {
            token : "string", // single line
            regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
        }, {
            token : "string", // multi line string start
            regex : "['].*\\\\$",
            next : "qstring"
        }, {
            token : "number", // hex
            regex : "0[xX][0-9a-fA-F]+\\b"
        }, {
            token : "number", // float
            regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
        }, {
            token : function(value) {
                if (keywords[value]) {
                    return "keyword";
                }
                else {
                    return "identifier";
                }
            },
            regex : "[a-zA-Z_][a-zA-Z0-9_]*\\b"
        }, {
            token : "lparen",
            regex : "[\\[\\(\\{]"
        }, {
            token : "rparen",
            regex : "[\\]\\)\\}]"
        }, {
            token : "text",
            regex : "\\s+"
        } ],
        "doc-comment" : [ {
            token : "doc-comment", // closing comment
            regex : "\\*\\/",
            next : "start"
        }, {
            token : "doc-comment-tag",
            regex : "@[\\w\\d_]+"
        }, {
            token : "doc-comment",
            regex : "\s+"
        }, {
            token : "doc-comment",
            regex : "[^@\\*]+"
        }, {
            token : "doc-comment",
            regex : "."
        }],
        "comment" : [ {
            token : "comment", // closing comment
            regex : ".*?\\*\\/",
            next : "start"
        }, {
            token : "comment", // comment spanning whole line
            regex : ".+"
        } ],
        "qqstring" : [ {
            token : "string",
            regex : '(?:(?:\\\\.)|(?:[^"\\\\]))*?"',
            next : "start"
        }, {
            token : "string",
            regex : '.+'
        } ],
        "qstring" : [ {
            token : "string",
            regex : "(?:(?:\\\\.)|(?:[^'\\\\]))*?'",
            next : "start"
        }, {
            token : "string",
            regex : '.+'
        } ]
    };
};

ace.mode.JavaScriptHighlightRules.prototype.getRules = function() {
    return this._rules;
};