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// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --expose-debug-as debug
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
var exception = false; // Exception in debug event listener.
var before_compile_count = 0;
var after_compile_count = 0;
var current_source = ''; // Current source being compiled.
var source_count = 0; // Total number of scources compiled.
var host_compilations = 0; // Number of scources compiled through the API.
var eval_compilations = 0; // Number of scources compiled through eval.
var json_compilations = 0; // Number of scources compiled through JSON.parse.
function compileSource(source) {
current_source = source;
eval(current_source);
source_count++;
}
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.BeforeCompile ||
event == Debug.DebugEvent.AfterCompile) {
// Count the events.
if (event == Debug.DebugEvent.BeforeCompile) {
before_compile_count++;
} else {
after_compile_count++;
switch (event_data.script().compilationType()) {
case Debug.ScriptCompilationType.Host:
host_compilations++;
break;
case Debug.ScriptCompilationType.Eval:
eval_compilations++;
break;
case Debug.ScriptCompilationType.JSON:
json_compilations++;
break;
}
}
// If the compiled source contains 'eval' there will be additional compile
// events for the source inside eval.
if (current_source.indexOf('eval') == 0) {
// For source with 'eval' there will be compile events with substrings
// as well as with with the exact source.
assertTrue(current_source.indexOf(event_data.script().source()) >= 0);
} else if (current_source.indexOf('JSON.parse') == 0) {
// For JSON the JSON source will be in parentheses.
var s = event_data.script().source();
if (s[0] == '(') {
s = s.substring(1, s.length - 2);
}
assertTrue(current_source.indexOf(s) >= 0);
} else {
// For source without 'eval' there will be a compile events with the
// exact source.
assertEquals(current_source, event_data.script().source());
}
// Check that script context is included into the event message.
var json = event_data.toJSONProtocol();
var msg = eval('(' + json + ')');
assertTrue('context' in msg.body.script);
}
} catch (e) {
exception = e
}
};
// Add the debug event listener.
Debug.setListener(listener);
// Compile different sources.
compileSource('a=1');
compileSource('(function(){})');
compileSource('eval("a=2")');
source_count++; // Using eval causes additional compilation event.
compileSource('eval("eval(\'(function(){return a;})\')")');
source_count += 2; // Using eval causes additional compilation event.
compileSource('JSON.parse("{a:1,b:2}")');
source_count++; // Using JSON.parse causes additional compilation event.
// Make sure that the debug event listener was invoked.
assertFalse(exception, "exception in listener")
// Number of before and after compile events should be the same.
assertEquals(before_compile_count, after_compile_count);
// Check the actual number of events (no compilation through the API as all
// source compiled through eval except for one JSON.parse call).
assertEquals(source_count, after_compile_count);
assertEquals(0, host_compilations);
assertEquals(source_count - 1, eval_compilations);
assertEquals(1, json_compilations);
Debug.setListener(null);
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