[Promise] Avoid crash in stack exhausted circumstance.

Source/bindings/v8/V8Initializer.cpp

 /*
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 #include "bindings/v8/DOMWrapperWorld.h"
 #include "bindings/v8/ScriptCallStackFactory.h"
 #include "bindings/v8/ScriptController.h"
 #include "bindings/v8/ScriptProfiler.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8ErrorHandler.h"
 #include "bindings/v8/V8GCController.h"
 #include "bindings/v8/V8PerContextData.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/inspector/ScriptCallStack.h"
 #include "core/frame/ConsoleTypes.h"
 #include "core/frame/ContentSecurityPolicy.h"
 #include "core/frame/DOMWindow.h"
 #include "core/frame/Frame.h"
+#include "core/inspector/ScriptCallStack.h"
 #include "public/platform/Platform.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 #include <v8-debug.h>
 
 namespace WebCore {
 
 static Frame* findFrame(v8::Local<v8::Object> host, v8::Local<v8::Value> data, v8::Isolate* isolate)
 {
     const WrapperTypeInfo* type = WrapperTypeInfo::unwrap(data);
@@ skipping 18 matching lines @@
 
 static void reportFatalErrorInMainThread(const char* location, const char* message)
 {
     int memoryUsageMB = blink::Platform::current()->actualMemoryUsageMB();
     printf("V8 error: %s (%s).  Current memory usage: %d MB\n", message, location, memoryUsageMB);
     CRASH();
 }
 
 static void messageHandlerInMainThread(v8::Handle<v8::Message> message, v8::Handle<v8::Value> data)
 {
+    // See v8/src/isolate.c
+    static const char stackOverFlowMessageString[] = "Uncaught RangeError: Maximum call stack size exceeded";

[haraken, 2014/02/21 04:19:21]

Can we share code with handleMaxRecursionDepthExeceeded() in V8Binding.h ?

[yhirano, 2014/02/21 07:32:51]

Done.

     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     // If called during context initialization, there will be no entered context.
     v8::Handle<v8::Context> enteredContext = isolate->GetEnteredContext();
     if (enteredContext.IsEmpty())
         return;
 
     DOMWindow* enteredWindow = toDOMWindow(enteredContext);
     if (!enteredWindow->isCurrentlyDisplayedInFrame())
         return;
 
     String errorMessage = toCoreString(message->Get());
+    const bool isStackOverFlowException = errorMessage == stackOverFlowMessageString;
 
     v8::Handle<v8::StackTrace> stackTrace = message->GetStackTrace();
     RefPtr<ScriptCallStack> callStack;
+    // When the message consists of a stack over flow exception its stack trace is invalid.
     // Currently stack trace is only collected when inspector is open.
-    if (!stackTrace.IsEmpty() && stackTrace->GetFrameCount() > 0)
+    if (!isStackOverFlowException && !stackTrace.IsEmpty() && stackTrace->GetFrameCount() > 0)
         callStack = createScriptCallStack(stackTrace, ScriptCallStack::maxCallStackSizeToCapture, isolate);
 
     v8::Handle<v8::Value> resourceName = message->GetScriptResourceName();
     bool shouldUseDocumentURL = resourceName.IsEmpty() || !resourceName->IsString();
     String resource = shouldUseDocumentURL ? enteredWindow->document()->url() : toCoreString(resourceName.As<v8::String>());
     AccessControlStatus corsStatus = message->IsSharedCrossOrigin() ? SharableCrossOrigin : NotSharableCrossOrigin;
 
     DOMWrapperWorld* world = DOMWrapperWorld::current(isolate);
     RefPtr<ErrorEvent> event = ErrorEvent::create(errorMessage, resource, message->GetLineNumber(), message->GetStartColumn() + 1, world);
     if (V8DOMWrapper::isDOMWrapper(data)) {
@@ skipping 109 matching lines @@
     v8::V8::AddMessageListener(messageHandlerInWorker);
     v8::V8::SetFatalErrorHandler(reportFatalErrorInWorker);
 
     v8::ResourceConstraints resourceConstraints;
     uint32_t here;
     resourceConstraints.set_stack_limit(&here - kWorkerMaxStackSize / sizeof(uint32_t*));
     v8::SetResourceConstraints(isolate, &resourceConstraints);
 }
 
 } // namespace WebCore