C++ (Cpp) toJSNewlyCreated示例

示例#1

文件： JSWorkerCustom.cpp 项目： endlessm/WebKit

EncodedJSValue JSC_HOST_CALL constructJSWorker(ExecState& exec)
{
    VM& vm = exec.vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec.callee());

    if (!exec.argumentCount())
        return throwVMError(&exec, scope, createNotEnoughArgumentsError(&exec));

    String scriptURL = exec.uncheckedArgument(0).toWTFString(&exec);
    if (exec.hadException())
        return JSValue::encode(JSValue());

    // See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject.
    DOMWindow& window = asJSDOMWindow(exec.lexicalGlobalObject())->wrapped();

    ExceptionCode ec = 0;
    ASSERT(window.document());
    RefPtr<Worker> worker = Worker::create(*window.document(), scriptURL, ec);
    if (ec) {
        setDOMException(&exec, ec);
        return JSValue::encode(JSValue());
    }

    return JSValue::encode(toJSNewlyCreated(&exec, jsConstructor->globalObject(), WTFMove(worker)));
}

示例#2

文件： JSDocumentCustom.cpp 项目： Comcast/WebKitForWayland

JSValue JSDocument::createTouchList(ExecState& state)
{
    auto touchList = TouchList::create();

    for (size_t i = 0; i < state.argumentCount(); ++i) {
        auto* item = JSTouch::toWrapped(state.uncheckedArgument(i));
        if (!item)
            return JSValue::decode(throwArgumentTypeError(state, i, "touches", "Document", "createTouchList", "Touch"));

        touchList->append(*item);
    }
    return toJSNewlyCreated(&state, globalObject(), WTFMove(touchList));
}

示例#3

文件： JSXMLHttpRequestCustom.cpp 项目： Comcast/WebKitForWayland

JSValue JSXMLHttpRequest::retrieveResponse(ExecState& state)
{
    auto type = wrapped().responseType();

    switch (type) {
    case XMLHttpRequest::ResponseType::EmptyString:
    case XMLHttpRequest::ResponseType::Text:
        return responseText(state);
    default:
        break;
    }

    if (!wrapped().doneWithoutErrors())
        return jsNull();

    JSValue value;
    switch (type) {
    case XMLHttpRequest::ResponseType::EmptyString:
    case XMLHttpRequest::ResponseType::Text:
        ASSERT_NOT_REACHED();
        return jsUndefined();

    case XMLHttpRequest::ResponseType::Json:
        value = JSONParse(&state, wrapped().responseTextIgnoringResponseType());
        if (!value)
            value = jsNull();
        break;

    case XMLHttpRequest::ResponseType::Document: {
        ExceptionCode ec = 0;
        auto document = wrapped().responseXML(ec);
        ASSERT(!ec);
        value = toJS(&state, globalObject(), document);
        break;
    }
    case XMLHttpRequest::ResponseType::Blob:
        value = toJSNewlyCreated(&state, globalObject(), wrapped().createResponseBlob());
        break;

    case XMLHttpRequest::ResponseType::Arraybuffer:
        value = toJS(&state, globalObject(), wrapped().createResponseArrayBuffer());
        break;
    }
    wrapped().didCacheResponse();
    return value;
}

示例#4

文件： JSMutationObserverCustom.cpp 项目： Comcast/WebKitForWayland

EncodedJSValue JSC_HOST_CALL constructJSMutationObserver(ExecState& exec)
{
    if (exec.argumentCount() < 1)
        return throwVMError(&exec, createNotEnoughArgumentsError(&exec));

    JSObject* object = exec.uncheckedArgument(0).getObject();
    CallData callData;
    if (!object || object->methodTable()->getCallData(object, callData) == CallType::None)
        return throwVMTypeError(&exec, ASCIILiteral("Callback argument must be a function"));

    DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec.callee());
    auto callback = JSMutationCallback::create(object, jsConstructor->globalObject());
    JSObject* jsObserver = asObject(toJSNewlyCreated(&exec, jsConstructor->globalObject(), MutationObserver::create(WTFMove(callback))));
    PrivateName propertyName;
    jsObserver->putDirect(jsConstructor->globalObject()->vm(), propertyName, object);
    return JSValue::encode(jsObserver);
}

示例#5

文件： JSMutationObserverCustom.cpp 项目： eocanha/webkit

EncodedJSValue JSC_HOST_CALL constructJSMutationObserver(ExecState& exec)
{
    VM& vm = exec.vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    if (exec.argumentCount() < 1)
        return throwVMError(&exec, scope, createNotEnoughArgumentsError(&exec));

    JSObject* object = exec.uncheckedArgument(0).getObject();
    CallData callData;
    if (!object || object->methodTable()->getCallData(object, callData) == CallType::None)
        return throwArgumentTypeError(exec, scope, 0, "callback", "MutationObserver", nullptr, "MutationCallback");

    DOMConstructorObject* jsConstructor = jsCast<DOMConstructorObject*>(exec.jsCallee());
    auto callback = JSMutationCallback::create(object, jsConstructor->globalObject());
    JSObject* jsObserver = asObject(toJSNewlyCreated(&exec, jsConstructor->globalObject(), MutationObserver::create(WTFMove(callback))));
    PrivateName propertyName;
    jsObserver->putDirect(vm, propertyName, object);
    return JSValue::encode(jsObserver);
}

示例#6

文件： JSWorkerCustom.cpp 项目： eocanha/webkit

EncodedJSValue JSC_HOST_CALL constructJSWorker(ExecState& state)
{
    VM& vm = state.vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    ASSERT(jsCast<DOMConstructorObject*>(state.jsCallee()));
    ASSERT(jsCast<DOMConstructorObject*>(state.jsCallee())->globalObject());
    auto& globalObject = *jsCast<DOMConstructorObject*>(state.jsCallee())->globalObject();

    if (!state.argumentCount())
        return throwVMError(&state, scope, createNotEnoughArgumentsError(&state));

    String scriptURL = state.uncheckedArgument(0).toWTFString(&state);
    RETURN_IF_EXCEPTION(scope, encodedJSValue());

    // See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject.
    auto& window = asJSDOMWindow(state.lexicalGlobalObject())->wrapped();

    ASSERT(window.document());
    return JSValue::encode(toJSNewlyCreated(state, globalObject, scope, Worker::create(*window.document(), scriptURL, globalObject.runtimeFlags())));
}

示例#7

文件： JSTestInterface.cpp 项目： edcwconan/webkit

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))));
}

示例#8

文件： JSDocumentCustom.cpp 项目： endlessm/WebKit

JSValue toJS(ExecState* state, JSDOMGlobalObject* globalObject, Document& document)
{
    if (auto* wrapper = cachedDocumentWrapper(*state, *globalObject, document))
        return wrapper;
    return toJSNewlyCreated(state, globalObject, Ref<Document>(document));
}