Пример #1
0
EncodedJSValue JSC_HOST_CALL constructJSDataCue(ExecState* exec)
{
    DOMConstructorObject* castedThis = jsCast<DOMConstructorObject*>(exec->callee());
    if (exec->argumentCount() < 3)
        return throwVMError(exec, createNotEnoughArgumentsError(exec));

    ExceptionCode ec = 0;
    double startTime(exec->argument(0).toNumber(exec));
    if (UNLIKELY(exec->hadException()))
        return JSValue::encode(jsUndefined());

    double endTime(exec->argument(1).toNumber(exec));
    if (UNLIKELY(exec->hadException()))
        return JSValue::encode(jsUndefined());

    ScriptExecutionContext* context = castedThis->scriptExecutionContext();
    if (!context)
        return throwConstructorDocumentUnavailableError(*exec, "DataCue");

    String type;
#if ENABLE(DATACUE_VALUE)
    if (exec->argumentCount() > 3) {
        if (!exec->argument(3).isString())
            return throwVMError(exec, createTypeError(exec, "Second argument of the constructor is not of type String"));
        type = exec->argument(3).getString(exec);
    }
#endif

    JSValue valueArgument = exec->argument(2);
    if (valueArgument.isUndefinedOrNull()) {
        setDOMException(exec, TypeError);
        return JSValue::encode(JSValue());
    }

    RefPtr<DataCue> object;
    if (valueArgument.isCell() && valueArgument.asCell()->inherits(std::remove_pointer<JSArrayBuffer*>::type::info())) {

        ArrayBuffer* data(toArrayBuffer(valueArgument));
        if (UNLIKELY(exec->hadException()))
            return JSValue::encode(jsUndefined());

        object = DataCue::create(*context, startTime, endTime, data, type, ec);
        if (ec) {
            setDOMException(exec, ec);
            return JSValue::encode(JSValue());
        }

        return JSValue::encode(asObject(toJS(exec, castedThis->globalObject(), object.get())));
    }

#if !ENABLE(DATACUE_VALUE)
    return JSValue::encode(jsUndefined());
#else
    object = DataCue::create(*context, startTime, endTime, valueArgument, type);
    return JSValue::encode(asObject(toJS(exec, castedThis->globalObject(), object.get())));
#endif
}
Пример #2
0
template<> EncodedJSValue JSC_HOST_CALL JSTestInterfaceConstructor::construct(ExecState* state)
{
    auto* castedThis = jsCast<JSTestInterfaceConstructor*>(state->callee());
    if (UNLIKELY(state->argumentCount() < 1))
        return throwVMError(state, createNotEnoughArgumentsError(state));
    ExceptionCode ec = 0;
    auto str1 = state->argument(0).toWTFString(state);
    if (UNLIKELY(state->hadException()))
        return JSValue::encode(jsUndefined());
    auto str2 = state->argument(1).isUndefined() ? ASCIILiteral("defaultString") : state->uncheckedArgument(1).toWTFString(state);
    if (UNLIKELY(state->hadException()))
        return JSValue::encode(jsUndefined());
    ScriptExecutionContext* context = castedThis->scriptExecutionContext();
    if (UNLIKELY(!context))
        return throwConstructorDocumentUnavailableError(*state, "TestInterface");
    auto object = TestInterface::create(*context, str1, str2, ec);
    if (UNLIKELY(ec)) {
        setDOMException(state, ec);
        return JSValue::encode(JSValue());
    }
    return JSValue::encode(asObject(toJSNewlyCreated(state, castedThis->globalObject(), WTFMove(object))));
}