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define(function(require, exports, module) {
"use strict";

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

var VerilogHighlightRules = function() {
var keywords = "always|and|assign|automatic|begin|buf|bufif0|bufif1|case|casex|casez|cell|cmos|config|" +
    "deassign|default|defparam|design|disable|edge|else|end|endcase|endconfig|endfunction|endgenerate|endmodule|" +
    "endprimitive|endspecify|endtable|endtask|event|for|force|forever|fork|function|generate|genvar|highz0|" +
    "highz1|if|ifnone|incdir|include|initial|inout|input|instance|integer|join|large|liblist|library|localparam|" +
    "macromodule|medium|module|nand|negedge|nmos|nor|noshowcancelled|not|notif0|notif1|or|output|parameter|pmos|" +
    "posedge|primitive|pull0|pull1|pulldown|pullup|pulsestyle_onevent|pulsestyle_ondetect|rcmos|real|realtime|" +
    "reg|release|repeat|rnmos|rpmos|rtran|rtranif0|rtranif1|scalared|showcancelled|signed|small|specify|specparam|" +
    "strong0|strong1|supply0|supply1|table|task|time|tran|tranif0|tranif1|tri|tri0|tri1|triand|trior|trireg|" +
    "unsigned|use|vectored|wait|wand|weak0|weak1|while|wire|wor|xnor|xor" +
    "begin|bufif0|bufif1|case|casex|casez|config|else|end|endcase|endconfig|endfunction|" +
    "endgenerate|endmodule|endprimitive|endspecify|endtable|endtask|for|forever|function|generate|if|ifnone|" +
    "macromodule|module|primitive|repeat|specify|table|task|while";

    var builtinConstants = (
        "true|false|null"
    );

    var builtinFunctions = (
        "count|min|max|avg|sum|rank|now|coalesce|main"
    );

    var keywordMapper = this.createKeywordMapper({
        "support.function": builtinFunctions,
        "keyword": keywords,
        "constant.language": builtinConstants
    }, "identifier", true);

    this.$rules = {
        "start" : [ {
            token : "comment",
            regex : "//.*$"
        }, {
            token : "comment.start",
            regex : "/\\*",
            next : [
                { token : "comment.end", regex : "\\*/", next: "start" },
                { defaultToken : "comment" }
            ]
        }, {
            token : "string",           // " string
            regex : '".*?"'
        }, {
            token : "string",           // ' string
            regex : "'.*?'"
        }, {
            token : "constant.numeric", // float
            regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
        }, {
            token : keywordMapper,
            regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
        }, {
            token : "keyword.operator",
            regex : "\\+|\\-|\\/|\\/\\/|%|<@>|@>|<@|&|\\^|~|<|>|<=|=>|==|!=|<>|="
        }, {
            token : "paren.lparen",
            regex : "[\\(]"
        }, {
            token : "paren.rparen",
            regex : "[\\)]"
        }, {
            token : "text",
            regex : "\\s+"
        } ]
    };
    this.normalizeRules();
};

oop.inherits(VerilogHighlightRules, TextHighlightRules);

exports.VerilogHighlightRules = VerilogHighlightRules;
});
