/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * 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
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */

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

var oop = require("../lib/oop");
var lang = require("../lib/lang");
var ScssHighlightRules = require("./scss_highlight_rules").ScssHighlightRules;

var SassHighlightRules = function() {
    ScssHighlightRules.call(this);
    var start = this.$rules.start;
    if (start[1].token == "comment") {
        start.splice(1, 1, {
            onMatch: function(value, currentState, stack) {
                stack.unshift(this.next, -1, value.length - 2, currentState);
                return "comment";
            },
            regex: /^\s*\/\*/,
            next: "comment"
        }, {
            token: "error.invalid",
            regex: "/\\*|[{;}]"
        }, {
            token: "support.type",
            regex: /^\s*:[\w\-]+\s/
        });
        
        this.$rules.comment = [
            {regex: /^\s*/, onMatch: function(value, currentState, stack) {
                if (stack[1] === -1)
                    stack[1] = Math.max(stack[2], value.length - 1);
                if (value.length <= stack[1]) {
                    /*shift3x*/stack.shift();stack.shift();stack.shift();
                    this.next = stack.shift();
                    return "text";
                } else {
                    this.next = "";
                    return "comment";
                }
            }, next: "start"},
            {defaultToken: "comment"}
        ]
    }
};

oop.inherits(SassHighlightRules, ScssHighlightRules);

exports.SassHighlightRules = SassHighlightRules;

});