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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {Cc,Ci} = require("chrome");
function stringify(arg) {
try {
return String(arg);
}
catch(ex) {
return "<toString() error>";
}
}
function stringifyArgs(args) {
return Array.map(args, stringify).join(" ");
}
function message(print, level, args) {
print(level + ": " + stringifyArgs(args) + "\n", level);
}
var Console = exports.PlainTextConsole = function PlainTextConsole(print) {
if (!print)
print = dump;
if (print === dump) {
// If we're just using dump(), auto-enable preferences so
// that the developer actually sees the console output.
var prefs = Cc["@mozilla.org/preferences-service;1"]
.getService(Ci.nsIPrefBranch);
prefs.setBoolPref("browser.dom.window.dump.enabled", true);
}
this.print = print;
// Binding all the public methods to an instance so that they can be used
// as callback / listener functions straightaway.
this.log = this.log.bind(this);
this.info = this.info.bind(this);
this.warn = this.warn.bind(this);
this.error = this.error.bind(this);
this.debug = this.debug.bind(this);
this.exception = this.exception.bind(this);
this.trace = this.trace.bind(this);
};
Console.prototype = {
log: function log() {
message(this.print, "info", arguments);
},
info: function info() {
message(this.print, "info", arguments);
},
warn: function warn() {
message(this.print, "warning", arguments);
},
error: function error() {
message(this.print, "error", arguments);
},
debug: function debug() {
message(this.print, "debug", arguments);
},
exception: function exception(e) {
var fullString = ("An exception occurred.\n" +
require("./traceback").format(e) + "\n" + e);
this.error(fullString);
},
trace: function trace() {
var traceback = require("./traceback");
var stack = traceback.get();
stack.splice(-1, 1);
message(this.print, "info", [traceback.format(stack)]);
}
};
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