C++ (Cpp) TestInterface::implementsMethod2示例

示例#1

EncodedJSValue JSC_HOST_CALL jsTestInterfacePrototypeFunctionImplementsMethod2(ExecState* exec)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(JSTestInterface::info()))
        return throwVMTypeError(exec);
    JSTestInterface* castedThis = jsCast<JSTestInterface*>(asObject(thisValue));
    ASSERT_GC_OBJECT_INHERITS(castedThis, JSTestInterface::info());
    TestInterface* impl = static_cast<TestInterface*>(castedThis->impl());
    if (exec->argumentCount() < 2)
        return throwVMError(exec, createNotEnoughArgumentsError(exec));
    ExceptionCode ec = 0;
    ScriptExecutionContext* scriptContext = jsCast<JSDOMGlobalObject*>(exec->lexicalGlobalObject())->scriptExecutionContext();
    if (!scriptContext)
        return JSValue::encode(jsUndefined());
    const String& strArg(exec->argument(0).isEmpty() ? String() : exec->argument(0).toString(exec)->value(exec));
    if (exec->hadException())
        return JSValue::encode(jsUndefined());
    TestObj* objArg(toTestObj(exec->argument(1)));
    if (exec->hadException())
        return JSValue::encode(jsUndefined());

    JSC::JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(impl->implementsMethod2(scriptContext, strArg, objArg, ec)));
    setDOMException(exec, ec);
    return JSValue::encode(result);
}