V8 Binding: Introduce toNativeWithTypeCheck

Source/bindings/tests/results/V8TestInterfaceWillBeGarbageCollected.cpp

 /*
  * Copyright (C) 2013 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
@@ skipping 69 matching lines @@
 static void attr1AttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
     TestInterfaceWillBeGarbageCollectedV8Internal::attr1AttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void attr1AttributeSetter(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TestInterfaceWillBeGarbageCollected* imp = V8TestInterfaceWillBeGarbageCollected::toNative(info.Holder());
-    V8TRYCATCH_VOID(TestInterfaceWillBeGarbageCollected*, cppValue, V8TestInterfaceWillBeGarbageCollected::hasInstance(jsValue, info.GetIsolate()) ? V8TestInterfaceWillBeGarbageCollected::toNative(v8::Handle<v8::Object>::Cast(jsValue)) : 0);
+    V8TRYCATCH_VOID(TestInterfaceWillBeGarbageCollected*, cppValue, V8TestInterfaceWillBeGarbageCollected::toNativeWithTypeCheck(info.GetIsolate(), jsValue));
     imp->setAttr1(WTF::getPtr(cppValue));
 }
 
 static void attr1AttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMSetter");
     TestInterfaceWillBeGarbageCollectedV8Internal::attr1AttributeSetter(jsValue, info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void funcMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
         throwTypeError(ExceptionMessages::failedToExecute("func", "TestInterfaceWillBeGarbageCollected", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
         return;
     }
     TestInterfaceWillBeGarbageCollected* imp = V8TestInterfaceWillBeGarbageCollected::toNative(info.Holder());
-    V8TRYCATCH_VOID(TestInterfaceWillBeGarbageCollected*, arg, V8TestInterfaceWillBeGarbageCollected::hasInstance(info[0], info.GetIsolate()) ? V8TestInterfaceWillBeGarbageCollected::toNative(v8::Handle<v8::Object>::Cast(info[0])) : 0);
+    V8TRYCATCH_VOID(TestInterfaceWillBeGarbageCollected*, arg, V8TestInterfaceWillBeGarbageCollected::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     imp->func(arg);
 }
 
 static void funcMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestInterfaceWillBeGarbageCollectedV8Internal::funcMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
@@ skipping 70 matching lines @@
     data->templateMap(currentWorldType).add(&wrapperTypeInfo, UnsafePersistent<v8::FunctionTemplate>(isolate, templ));
     return handleScope.Escape(templ);
 }
 
 bool V8TestInterfaceWillBeGarbageCollected::hasInstance(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate)
 {
     return V8PerIsolateData::from(isolate)->hasInstanceInMainWorld(&wrapperTypeInfo, jsValue)
         || V8PerIsolateData::from(isolate)->hasInstanceInNonMainWorld(&wrapperTypeInfo, jsValue);
 }
 
+TestInterfaceWillBeGarbageCollected* V8TestInterfaceWillBeGarbageCollected::toNativeWithTypeCheck(v8::Isolate* isolate, v8::Handle<v8::Value> value)
+{
+    return hasInstance(value, isolate) ? fromInternalPointer(v8::Handle<v8::Object>::Cast(value)->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex)) : 0;
+}
+
 EventTarget* V8TestInterfaceWillBeGarbageCollected::toEventTarget(v8::Handle<v8::Object> object)
 {
     return toNative(object);
 }
 
 v8::Handle<v8::Object> V8TestInterfaceWillBeGarbageCollected::createWrapper(PassRefPtrWillBeRawPtr<TestInterfaceWillBeGarbageCollected> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl);
     ASSERT(!DOMDataStore::containsWrapper<V8TestInterfaceWillBeGarbageCollected>(impl.get(), isolate));
     if (ScriptWrappable::wrapperCanBeStoredInObject(impl.get())) {
@@ skipping 19 matching lines @@
 #endif // !ENABLE(OILPAN)
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceWillBeGarbageCollected* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore