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101 lines
3.2 KiB
JavaScript
101 lines
3.2 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Jetpack.
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*
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* The Initial Developer of the Original Code is Mozilla.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Atul Varma <atul@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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function stringify(arg) {
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try {
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return String(arg);
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}
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catch(ex) {
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return "<toString() error>";
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}
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}
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function stringifyArgs(args) {
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return Array.map(args, stringify).join(" ");
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}
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function message(print, level, args) {
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print(level + ": " + stringifyArgs(args) + "\n");
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}
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var Console = exports.PlainTextConsole = function PlainTextConsole(print) {
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if (!print)
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print = dump;
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if (print === dump) {
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// If we're just using dump(), auto-enable preferences so
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// that the developer actually sees the console output.
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var prefs = Cc["@mozilla.org/preferences-service;1"]
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.getService(Ci.nsIPrefBranch);
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prefs.setBoolPref("browser.dom.window.dump.enabled", true);
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}
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this.print = print;
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};
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Console.prototype = {
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log: function log() {
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message(this.print, "info", arguments);
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},
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info: function info() {
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message(this.print, "info", arguments);
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},
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warn: function warn() {
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message(this.print, "warning", arguments);
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},
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error: function error() {
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message(this.print, "error", arguments);
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},
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debug: function debug() {
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message(this.print, "debug", arguments);
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},
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exception: function exception(e) {
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var fullString = ("An exception occurred.\n" +
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require("traceback").format(e) + "\n" + e);
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this.error(fullString);
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},
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trace: function trace() {
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var traceback = require("traceback");
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var stack = traceback.get();
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stack.splice(-1, 1);
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message(this.print, "info", [traceback.format(stack)]);
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}
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};
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