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/*
* Copyright (C) 2009 Google Inc. 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.
*/
#include "config.h"
#include "V8ConsoleMessage.h"
#include "Console.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "OwnPtr.h"
#include "Page.h"
#include "ScriptCallStack.h"
#include "ScriptCallStackFactory.h"
#include "V8Binding.h"
#include "V8Proxy.h"
namespace WebCore {
Vector<V8ConsoleMessage>* V8ConsoleMessage::m_delayedMessages = 0;
V8ConsoleMessage::V8ConsoleMessage(const String& string, const String& sourceID, unsigned lineNumber)
: m_string(string)
, m_sourceID(sourceID)
, m_lineNumber(lineNumber)
{
}
void V8ConsoleMessage::dispatchNow(Page* page)
{
dispatchNow(page, 0);
}
void V8ConsoleMessage::dispatchLater()
{
if (!m_delayedMessages) {
// Allocate a vector for the delayed messages. Will be
// deallocated when the delayed messages are processed
// in processDelayed().
m_delayedMessages = new Vector<V8ConsoleMessage>();
}
m_delayedMessages->append(*this);
}
void V8ConsoleMessage::processDelayed()
{
if (!m_delayedMessages)
return;
// Take ownership of the delayed vector to avoid re-entrancy issues.
OwnPtr<Vector<V8ConsoleMessage> > delayedMessages(m_delayedMessages);
m_delayedMessages = 0;
// If we have a delayed vector it cannot be empty.
ASSERT(!delayedMessages->isEmpty());
// Add the delayed messages to the page of the active
// context. If that for some bizarre reason does not
// exist, we clear the list of delayed messages to avoid
// posting messages. We still deallocate the vector.
Frame* frame = V8Proxy::retrieveFrameForEnteredContext();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
// Iterate through all the delayed messages and add them
// to the console.
const int size = delayedMessages->size();
for (int i = 0; i < size; ++i)
delayedMessages->at(i).dispatchNow(page);
}
void V8ConsoleMessage::handler(v8::Handle<v8::Message> message, v8::Handle<v8::Value> data)
{
// Use the frame where JavaScript is called from.
Frame* frame = V8Proxy::retrieveFrameForEnteredContext();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
v8::Handle<v8::String> errorMessageString = message->Get();
ASSERT(!errorMessageString.IsEmpty());
String errorMessage = toWebCoreString(errorMessageString);
v8::Handle<v8::StackTrace> stackTrace = message->GetStackTrace();
RefPtr<ScriptCallStack> callStack;
// Currently stack trace is only collected when inspector is open.
if (!stackTrace.IsEmpty() && stackTrace->GetFrameCount() > 0) {
v8::Local<v8::Context> context = v8::Context::GetEntered();
callStack = createScriptCallStack(context, stackTrace, ScriptCallStack::maxCallStackSizeToCapture);
}
v8::Handle<v8::Value> resourceName = message->GetScriptResourceName();
bool useURL = resourceName.IsEmpty() || !resourceName->IsString();
String resourceNameString = useURL ? frame->document()->url() : toWebCoreString(resourceName);
V8ConsoleMessage consoleMessage(errorMessage, resourceNameString, message->GetLineNumber());
consoleMessage.dispatchNow(page, callStack);
}
void V8ConsoleMessage::dispatchNow(Page* page, PassRefPtr<ScriptCallStack> callStack)
{
ASSERT(page);
// Process any delayed messages to make sure that messages
// appear in the right order in the console.
processDelayed();
Console* console = page->mainFrame()->domWindow()->console();
MessageType messageType = callStack ? UncaughtExceptionMessageType : LogMessageType;
console->addMessage(JSMessageSource, messageType, ErrorMessageLevel, m_string, m_lineNumber, m_sourceID, callStack);
}
} // namespace WebCore
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