Example #1
0
static void promiseRejectHandlerInMainThread(v8::PromiseRejectMessage data)
{
    ASSERT(isMainThread());
    if (data.GetEvent() == v8::kPromiseHandlerAddedAfterReject) {
        rejectedPromisesOnMainThread().handlerAdded(data);
        return;
    }

    ASSERT(data.GetEvent() == v8::kPromiseRejectWithNoHandler);

    v8::Local<v8::Promise> promise = data.GetPromise();

    v8::Isolate* isolate = promise->GetIsolate();
    // There is no entered window during microtask callbacks from V8,
    // thus we call toDOMWindow() instead of enteredDOMWindow().
    LocalDOMWindow* window = currentDOMWindow(isolate);
    if (!window || !window->isCurrentlyDisplayedInFrame())
        return;

    v8::Local<v8::Value> exception = data.GetValue();
    if (V8DOMWrapper::isWrapper(isolate, exception)) {
        // Try to get the stack & location from a wrapped exception object (e.g. DOMException).
        ASSERT(exception->IsObject());
        v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(exception);
        v8::Local<v8::Value> error = V8HiddenValue::getHiddenValue(isolate, obj, V8HiddenValue::error(isolate));
        if (!error.IsEmpty())
            exception = error;
    }

    int scriptId = 0;
    int lineNumber = 0;
    int columnNumber = 0;
    String resourceName;
    String errorMessage;
    RefPtrWillBeRawPtr<ScriptCallStack> callStack = nullptr;

    v8::Local<v8::Message> message = v8::Exception::CreateMessage(exception);
    if (!message.IsEmpty()) {
        if (v8Call(message->GetLineNumber(isolate->GetCurrentContext()), lineNumber)
            && v8Call(message->GetStartColumn(isolate->GetCurrentContext()), columnNumber))
            ++columnNumber;
        resourceName = extractResourceName(message, window->document());
        errorMessage = toCoreStringWithNullCheck(message->Get());
        callStack = extractCallStack(isolate, message, &scriptId);
    } else if (!exception.IsEmpty() && exception->IsInt32()) {
        // For Smi's the message would be empty.
        errorMessage = "Uncaught " + String::number(exception.As<v8::Integer>()->Value());
    }

    String messageForConsole = extractMessageForConsole(isolate, data.GetValue());
    if (!messageForConsole.isEmpty())
        errorMessage = "Uncaught " + messageForConsole;

    ScriptState* scriptState = ScriptState::current(isolate);
    rejectedPromisesOnMainThread().rejectedWithNoHandler(scriptState, data, errorMessage, resourceName, scriptId, lineNumber, columnNumber, callStack);
}
Example #2
0
static void promiseRejectHandlerInMainThread(v8::PromiseRejectMessage data)
{
    ASSERT(isMainThread());

    v8::Local<v8::Promise> promise = data.GetPromise();

    v8::Isolate* isolate = promise->GetIsolate();
    // There is no entered window during microtask callbacks from V8,
    // thus we call toDOMWindow() instead of enteredDOMWindow().
    LocalDOMWindow* window = currentDOMWindow(isolate);
    if (!window || !window->isCurrentlyDisplayedInFrame())
        return;

    promiseRejectHandler(data, rejectedPromisesOnMainThread(), window->document() ? window->document()->url() : String());
}
Example #3
0
static void promiseRejectHandlerInMainThread(v8::PromiseRejectMessage data) {
  ASSERT(isMainThread());

  v8::Local<v8::Promise> promise = data.GetPromise();

  v8::Isolate* isolate = promise->GetIsolate();

  // TODO(ikilpatrick): Remove this check, extensions tests that use
  // extensions::ModuleSystemTest incorrectly don't have a valid script state.
  LocalDOMWindow* window = currentDOMWindow(isolate);
  if (!window || !window->isCurrentlyDisplayedInFrame())
    return;

  // Bail out if called during context initialization.
  ScriptState* scriptState = ScriptState::current(isolate);
  if (!scriptState->contextIsValid())
    return;

  promiseRejectHandler(data, rejectedPromisesOnMainThread(), scriptState);
}
void V8Initializer::reportRejectedPromisesOnMainThread()
{
    rejectedPromisesOnMainThread().processQueue();
}