define(function (require, exports, module) {

    var oop = require("../lib/oop");
    var TextMode = require("./text").Mode;
    var GolangHighlightRules = require("./golang_highlight_rules").GolangHighlightRules;
    var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
    var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
    var CStyleFoldMode = require("./folding/cstyle").FoldMode;

    var Mode = function () {
        this.HighlightRules = GolangHighlightRules;
        this.$outdent = new MatchingBraceOutdent();
        this.foldingRules = new CStyleFoldMode();
        this.$behaviour = new CstyleBehaviour();
    };
    oop.inherits(Mode, TextMode);

    (function () {

        this.lineCommentStart = "//";
        this.blockComment = {start: "/*", end: "*/"};

        this.getNextLineIndent = function (state, line, tab) {
            var indent = this.$getIndent(line);

            var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
            var tokens = tokenizedLine.tokens;
            var endState = tokenizedLine.state;

            if (tokens.length && tokens[tokens.length - 1].type == "comment") {
                return indent;
            }

            if (state == "start") {
                var match = line.match(/^.*[\{\(\[]\s*$/);
                if (match) {
                    indent += tab;
                }
            }

            return indent;
        };//end getNextLineIndent

        this.checkOutdent = function (state, line, input) {
            return this.$outdent.checkOutdent(line, input);
        };

        this.autoOutdent = function (state, doc, row) {
            this.$outdent.autoOutdent(doc, row);
        };

        this.$id = "ace/mode/golang";
    }).call(Mode.prototype);

    exports.Mode = Mode;
});
