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 *
 * Copyright (c) 2010, Ajax.org B.V.
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 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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define(function (require, exports, module) {
    "use strict";

    var oop = require("../lib/oop");
    var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

    var TclHighlightRules = function () {

        //TODO var builtinFunctions = "";

        this.$rules = {
            "start": [
                {
                    token: "comment",
                    regex: "#.*\\\\$",
                    next: "commentfollow"
                }, {
                    token: "comment",
                    regex: "#.*$"
                }, {
                    token: "support.function",
                    regex: '[\\\\]$',
                    next: "splitlineStart"
                }, {
                    token: "text",
                    regex: /\\(?:["{}\[\]$\\])/
                }, {
                    token: "text", // last value before command
                    regex: '^|[^{][;][^}]|[/\r/]',
                    next: "commandItem"
                }, {
                    token: "string", // single line
                    regex: '[ ]*["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
                }, {
                    token: "string", // multi line """ string start
                    regex: '[ ]*["]',
                    next: "qqstring"
                }, {
                    token: "variable.instance",
                    regex: "[$]",
                    next: "variable"
                }, {
                    token: "support.function",
                    regex: "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|{\\*}|;|::"
                }, {
                    token: "identifier",
                    regex: "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
                }, {
                    token: "paren.lparen",
                    regex: "[[{]",
                    next: "commandItem"
                }, {
                    token: "paren.lparen",
                    regex: "[(]"
                }, {
                    token: "paren.rparen",
                    regex: "[\\])}]"
                }, {
                    token: "text",
                    regex: "\\s+"
                }
            ],
            "commandItem": [
                {
                    token: "comment",
                    regex: "#.*\\\\$",
                    next: "commentfollow"
                }, {
                    token: "comment",
                    regex: "#.*$",
                    next: "start"
                }, {
                    token: "string", // single line
                    regex: '[ ]*["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
                }, {
                    token: "variable.instance",
                    regex: "[$]",
                    next: "variable"
                }, {
                    token: "support.function",
                    regex: "(?:[:][:])[a-zA-Z0-9_/]+(?:[:][:])",
                    next: "commandItem"
                }, {
                    token: "support.function",
                    regex: "[a-zA-Z0-9_/]+(?:[:][:])",
                    next: "commandItem"
                }, {
                    token: "support.function",
                    regex: "(?:[:][:])",
                    next: "commandItem"
                }, {
                    token: "paren.rparen",
                    regex: "[\\])}]"
                }, {
                    token: "support.function",
                    regex: "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|{\\*}|;|::"
                }, {
                    token: "keyword",
                    regex: "[a-zA-Z0-9_/]+",
                    next: "start"
                }],
            "commentfollow": [
                {
                    token: "comment",
                    regex: ".*\\\\$",
                    next: "commentfollow"
                }, {
                    token: "comment",
                    regex: '.+',
                    next: "start"
                }],
            "splitlineStart": [
                {
                    token: "text",
                    regex: "^.",
                    next: "start"
                }],
            "variable": [
                {
                    token: "variable.instance", // variable tcl
                    regex: "[a-zA-Z_\\d]+(?:[(][a-zA-Z_\\d]+[)])?",
                    next: "start"
                }, {
                    token: "variable.instance", // variable tcl with braces
                    regex: "{?[a-zA-Z_\\d]+}?",
                    next: "start"
                }],
            "qqstring": [{
                token: "string", // multi line """ string end
                regex: '(?:[^\\\\]|\\\\.)*?["]',
                next: "start"
            }, {
                token: "string",
                regex: '.+'
            }]
        };
    };

    oop.inherits(TclHighlightRules, TextHighlightRules);

    exports.TclHighlightRules = TclHighlightRules;
});
