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<!DOCTYPE html>
<html>
<!--
Copyright 2010 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<title>goog.debug.Tracer</title>
<script type="text/javascript" src="../base.js"></script>
<script type="text/javascript">
goog.require('goog.debug.Trace');
</script>
<style class="text/css">
body {
font: normal small arial,helvetica;
}
</style>
</head>
<body>
<div id="output" style="font-family:courier new,fixed">
</div>
<script type="text/javascript">
function normalTracer() {
goog.debug.Trace.initCurrentTrace(0);
var tracer = goog.debug.Trace.startTracer('Outer Loop');
var sum = 0;
for (var i = 0; i < 15; i++) {
sum = 0;
var t2 = goog.debug.Trace.startTracer('Run ' + i);
for (var j = 0; j < 50000; j++) {
sum += j * i;
}
goog.debug.Trace.addComment('after');
goog.debug.Trace.stopTracer(t2);
}
goog.debug.Trace.stopTracer(tracer);
var s = goog.debug.Trace.toString();
var outputElt = document.getElementById('output');
outputElt.innerHTML = goog.string.whitespaceEscape(
goog.string.htmlEscape(s));
}
function tooManyTracers() {
goog.debug.Trace.initCurrentTrace(0);
var tracer = goog.debug.Trace.startTracer('Outer Loop');
var sum = 0;
for (var i = 0; i < 1000; i++) {
var t2 = goog.debug.Trace.startTracer('Run ' + i);
goog.debug.Trace.stopTracer(t2);
}
goog.debug.Trace.stopTracer(tracer);
var s = goog.debug.Trace.toString();
var outputElt = document.getElementById('output');
outputElt.innerHTML = goog.string.whitespaceEscape(
goog.string.htmlEscape(s));
}
function unstoppedTracers() {
goog.debug.Trace.initCurrentTrace(0);
var tracer = goog.debug.Trace.startTracer('Outer Loop');
var sum = 0;
for (var i = 0; i < 10; i++) {
var t2 = goog.debug.Trace.startTracer('Run ' + i);
if (i != 5) {
goog.debug.Trace.stopTracer(t2);
}
}
goog.debug.Trace.stopTracer(tracer);
var s = goog.debug.Trace.toString();
var outputElt = document.getElementById('output');
outputElt.innerHTML = goog.string.whitespaceEscape(
goog.string.htmlEscape(s));
}
unstoppedTracers();
</script>
</body>
</html>
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