--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/v8/V8ConsoleMessage.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,144 @@
+/*
+ * 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 "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();
+    OwnPtr<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();
+        ScriptState* scriptState = ScriptState::forContext(context);
+        callStack = ScriptCallStack::create(scriptState, stackTrace);
+    }
+
+    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.get());
+}
+
+void V8ConsoleMessage::dispatchNow(Page* page, 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