Exemplos de objectConstructorGetOwnPropertyDescriptor em C++ (Cpp)

Exemplo n.º 1

Arquivo: ReflectObject.cpp Projeto: nickooms/webkit

// http://www.ecma-international.org/ecma-262/6.0/#sec-reflect.getownpropertydescriptor
EncodedJSValue JSC_HOST_CALL reflectObjectGetOwnPropertyDescriptor(ExecState* exec)
{
    JSValue target = exec->argument(0);
    if (!target.isObject())
        return JSValue::encode(throwTypeError(exec, ASCIILiteral("Reflect.getOwnPropertyDescriptor requires the first argument be an object")));

    auto key = exec->argument(1).toPropertyKey(exec);
    if (exec->hadException())
        return JSValue::encode(jsUndefined());

    return JSValue::encode(objectConstructorGetOwnPropertyDescriptor(exec, asObject(target), key));
}

Exemplo n.º 2

Arquivo: ReflectObject.cpp Projeto: eocanha/webkit

// https://tc39.github.io/ecma262/#sec-reflect.getownpropertydescriptor
EncodedJSValue JSC_HOST_CALL reflectObjectGetOwnPropertyDescriptor(ExecState* exec)
{
    VM& vm = exec->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    JSValue target = exec->argument(0);
    if (!target.isObject())
        return JSValue::encode(throwTypeError(exec, scope, ASCIILiteral("Reflect.getOwnPropertyDescriptor requires the first argument be an object")));

    auto key = exec->argument(1).toPropertyKey(exec);
    RETURN_IF_EXCEPTION(scope, encodedJSValue());

    scope.release();
    return JSValue::encode(objectConstructorGetOwnPropertyDescriptor(exec, asObject(target), key));
}