bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue) { // FIXME: If an exception was thrown by the callback, we should report it v8::TryCatch exceptionCatcher; v8::Local<v8::Function> callbackFunction; if (callback->IsFunction()) { callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback)); } else if (callback->IsObject()) { v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent")); if (handleEventFunction->IsFunction()) { callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction); } } else return false; if (callbackFunction.IsEmpty()) return false; v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global(); V8Proxy* proxy = V8Proxy::retrieve(); ASSERT(proxy); v8::Handle<v8::Value> result = proxy->CallFunction(callbackFunction, thisObject, argc, argv); callbackReturnValue = result.IsEmpty() && result->IsBoolean() && result->BooleanValue(); return exceptionCatcher.HasCaught(); }
bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue, ScriptExecutionContext* scriptExecutionContext) { v8::TryCatch exceptionCatcher; exceptionCatcher.SetVerbose(true); v8::Local<v8::Function> callbackFunction; if (callback->IsFunction()) { callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback)); } else if (callback->IsObject()) { v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent")); if (handleEventFunction->IsFunction()) callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction); } else return false; if (callbackFunction.IsEmpty()) return false; v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global(); Frame* frame = scriptExecutionContext && scriptExecutionContext->isDocument() ? static_cast<Document*>(scriptExecutionContext)->frame() : 0; v8::Handle<v8::Value> result = V8Proxy::instrumentedCallFunction(frame, callbackFunction, thisObject, argc, argv); callbackReturnValue = !result.IsEmpty() && result->BooleanValue(); return exceptionCatcher.HasCaught(); }
bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue, ScriptExecutionContext* scriptExecutionContext) { v8::TryCatch exceptionCatcher; v8::Local<v8::Function> callbackFunction; if (callback->IsFunction()) { callbackFunction = v8::Local<v8::Function>::New(v8::Persistent<v8::Function>::Cast(callback)); } else if (callback->IsObject()) { v8::Local<v8::Value> handleEventFunction = callback->Get(v8::String::NewSymbol("handleEvent")); if (handleEventFunction->IsFunction()) callbackFunction = v8::Local<v8::Function>::Cast(handleEventFunction); } else return false; if (callbackFunction.IsEmpty()) return false; v8::Handle<v8::Object> thisObject = v8::Context::GetCurrent()->Global(); v8::Handle<v8::Value> result = callbackFunction->Call(thisObject, argc, argv); callbackReturnValue = !result.IsEmpty() && result->BooleanValue(); if (exceptionCatcher.HasCaught()) { v8::Local<v8::Message> message = exceptionCatcher.Message(); scriptExecutionContext->reportException(toWebCoreString(message->Get()), message->GetLineNumber(), toWebCoreString(message->GetScriptResourceName())); return true; } return false; }