atom/HTML/ace/mode/javascript.js

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

define(function(require, exports, module) {

var oop = require("pilot/oop");
var TextMode = require("ace/mode/text").Mode;
var Tokenizer = require("ace/tokenizer").Tokenizer;
var JavaScriptHighlightRules = require("ace/mode/javascript_highlight_rules").JavaScriptHighlightRules;
var MatchingBraceOutdent = require("ace/mode/matching_brace_outdent").MatchingBraceOutdent;
var Range = require("ace/range").Range;
var WorkerClient = require("ace/worker/worker_client").WorkerClient;
var CstyleBehaviour = require("ace/mode/behaviour/cstyle").CstyleBehaviour;

var Mode = function() {
    this.$tokenizer = new Tokenizer(new JavaScriptHighlightRules().getRules());
    this.$outdent = new MatchingBraceOutdent();
    this.$behaviour = new CstyleBehaviour();
};
oop.inherits(Mode, TextMode);

(function() {

    this.toggleCommentLines = function(state, doc, startRow, endRow) {
        var outdent = true;
        var outentedRows = [];
        var re = /^(\s*)\/\//;

        for (var i=startRow; i<= endRow; i++) {
            if (!re.test(doc.getLine(i))) {
                outdent = false;
                break;
            }
        }

        if (outdent) {
            var deleteRange = new Range(0, 0, 0, 0);
            for (var i=startRow; i<= endRow; i++)
            {
                var line = doc.getLine(i);
                var m = line.match(re);
                deleteRange.start.row = i;
                deleteRange.end.row = i;
                deleteRange.end.column = m[0].length;
                doc.replace(deleteRange, m[1]);
            }
        }
        else {
            doc.indentRows(startRow, endRow, "//");
        }
    };

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

        var tokenizedLine = this.$tokenizer.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" || state == "regex_allowed") {
            var match = line.match(/^.*[\{\(\[\:]\s*$/);
            if (match) {
                indent += tab;
            }
        } else if (state == "doc-start") {
            if (endState == "start" || state == "regex_allowed") {
                return "";
            }
            var match = line.match(/^\s*(\/?)\*/);
            if (match) {
                if (match[1]) {
                    indent += " ";
                }
                indent += "* ";
            }
        }

        return indent;
    };

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

    this.autoOutdent = function(state, doc, row) {
        this.$outdent.autoOutdent(doc, row);
    };
    
    this.createWorker = function(session) {
        var doc = session.getDocument();
        var worker = new WorkerClient(["ace", "pilot"], "worker-javascript.js", "ace/mode/javascript_worker", "JavaScriptWorker");
        worker.call("setValue", [doc.getValue()]);
        
        doc.on("change", function(e) {
            e.range = {
                start: e.data.range.start,
                end: e.data.range.end
            };
            worker.emit("change", e);
        });
            
        worker.on("jslint", function(results) {
            var errors = [];
            for (var i=0; i<results.data.length; i++) {
                var error = results.data[i];
                if (error)
                    errors.push({
                        row: error.line-1,
                        column: error.character-1,
                        text: error.reason,
                        type: "warning",
                        lint: error
                    });
            }
            session.setAnnotations(errors);
        });
        
        worker.on("narcissus", function(e) {
            session.setAnnotations([e.data]);
        });
        
        worker.on("terminate", function() {
            session.clearAnnotations();
        });
        
        return worker;
    };

}).call(Mode.prototype);

exports.Mode = Mode;
});