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 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 * 
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 * modification, are permitted provided that the following conditions are met:
 *     * 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.
 *     * Neither the name of Ajax.org B.V. nor the
 *       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
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ***** END LICENSE BLOCK ***** */

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

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

    var CobolHighlightRules = function () {
        var keywords = "ACCEPT|MERGE|SUM|ADD||MESSAGE|TABLE|ADVANCING|MODE|TAPE|" +
            "AFTER|MULTIPLY|TEST|ALL|NEGATIVE|TEXT|ALPHABET|NEXT|THAN|" +
            "ALSO|NO|THEN|ALTERNATE|NOT|THROUGH|AND|NUMBER|THRU|ANY|OCCURS|" +
            "TIME|ARE|OF|TO|AREA|OFF|TOP||ASCENDING|OMITTED|TRUE|ASSIGN|ON|TYPE|AT|OPEN|" +
            "UNIT|AUTHOR|OR|UNTIL|BEFORE|OTHER|UP|BLANK|OUTPUT|USE|BLOCK|PAGE|USING|BOTTOM|" +
            "PERFORM|VALUE|BY|PIC|VALUES|CALL|PICTURE|WHEN|CANCEL|PLUS|WITH|CD|POINTER|WRITE|" +
            "CHARACTER|POSITION||ZERO|CLOSE|POSITIVE|ZEROS|COLUMN|PROCEDURE|ZEROES|COMMA|PROGRAM|" +
            "COMMON|PROGRAM-ID|COMMUNICATION|QUOTE|COMP|RANDOM|COMPUTE|READ|CONTAINS|RECEIVE|CONFIGURATION|" +
            "RECORD|CONTINUE|REDEFINES|CONTROL|REFERENCE|COPY|REMAINDER|COUNT|REPLACE|DATA|REPORT|DATE|RESERVE|" +
            "DAY|RESET|DELETE|RETURN|DESTINATION|REWIND|DISABLE|REWRITE|DISPLAY|RIGHT|DIVIDE|RUN|DOWN|SAME|" +
            "ELSE|SEARCH|ENABLE|SECTION|END|SELECT|ENVIRONMENT|SENTENCE|EQUAL|SET|ERROR|SIGN|EXIT|SEQUENTIAL|" +
            "EXTERNAL|SIZE|FLASE|SORT|FILE|SOURCE|LENGTH|SPACE|LESS|STANDARD|LIMIT|START|LINE|STOP|LOCK|STRING|LOW-VALUE|SUBTRACT";

        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: "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+"
            }]
        };
    };

    oop.inherits(CobolHighlightRules, TextHighlightRules);

    exports.CobolHighlightRules = CobolHighlightRules;
});