* Copyright (c) 2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/serializer/inter_op_value_serializer.h"
namespace panda::ecmascript {
void InterOpValueSerializer::SerializeObjectImpl(TaggedObject *object, bool isWeak)
{
if (TrySerializeInterOpObject(object, isWeak)) {
return;
}
ValueSerializer::SerializeObjectImpl(object, isWeak);
}
bool InterOpValueSerializer::TrySerializeInterOpObject(TaggedObject *object, bool isWeak)
{
[[maybe_unused]] EcmaHandleScope handleScope(thread_);
JSType type = object->GetClass()->GetObjectType();
JSHandle<JSTaggedValue> target(thread_, object);
switch (type) {
case JSType::JS_OBJECT:
case JSType::JS_WRAPPED_NAPI_OBJECT:
case JSType::JS_FUNCTION:
case JSType::JS_API_FUNCTION:
break;
case JSType::JS_PROXY:
target = JSProxy::Cast(object)->GetSourceTarget(thread_);
break;
default:
return false;
}
JSHandle<JSObject> objHandle(target);
JSHandle<JSTaggedValue> keyHandle = thread_->GlobalConstants()->GetHandledProxyNapiWrapperString();
ASSERT(EcmaStringAccessor(keyHandle->GetTaggedObject()).IsInternString());
JSTaggedValue xRef = JSObject::GetProperty(thread_, objHandle, keyHandle).GetValue().GetTaggedValue();
if (xRef.IsUndefined()) {
return false;
}
SerializeInterOpObjectImpl(object, JSObject::Cast(xRef.GetTaggedObject()), isWeak);
return true;
}
void InterOpValueSerializer::SerializeInterOpObjectImpl(TaggedObject *proxyObject, JSObject *xRefObject, bool isWeak)
{
if (isWeak) {
data_->WriteEncodeFlag(EncodeFlag::WEAK);
}
if (SerializeReference(proxyObject)) {
return;
}
JSTaggedValue nativePointer = xRefObject->GetNativePointerByIndex(thread_, 0);
if (UNLIKELY(nativePointer.IsUndefined())) {
LOG_ECMA(ERROR) << "InterOpValueSerializer: SerializeInterOpObject XRefObject field is not JSNativePointer";
notSupport_ = true;
return;
}
ASSERT(nativePointer.IsNativePointer());
panda::JSNApi::XRefBindingInfo *info = reinterpret_cast<panda::JSNApi::XRefBindingInfo *>(
JSNativePointer::Cast(nativePointer.GetTaggedObject())->GetData());
if (info == nullptr) {
LOG_ECMA(ERROR) << "InterOpValueSerializer: SerializeInterOpObject XRefBindingInfo is nullptr";
notSupport_ = true;
return;
}
AttachXRefFunc attachXRefFunc = reinterpret_cast<AttachXRefFunc>(info->attachXRefFunc);
void *attachXRefData = info->attachXRefData;
data_->WriteEncodeFlag(EncodeFlag::XREF_BINDING_OBJECT);
data_->WriteJSTaggedType(reinterpret_cast<JSTaggedType>(attachXRefFunc));
data_->WriteJSTaggedType(reinterpret_cast<JSTaggedType>(attachXRefData));
}
}