arkcompiler_ets_runtime/ecmascript/serializer/base_serializer.h
xiongluo c79e8e3283 shared full gc
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAAM12

Signed-off-by: xiongluo <xiongluo@huawei.com>
Change-Id: I5785021320e5dcc164671c79bdc26975abedc68b
2024-07-29 16:55:23 +08:00

81 lines
3.4 KiB
C++

/*
* Copyright (c) 2023 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.
*/
#ifndef ECMASCRIPT_SERIALIZER_BASE_SERIALIZER_H
#define ECMASCRIPT_SERIALIZER_BASE_SERIALIZER_H
#include "ecmascript/mem/object_xray.h"
#include "ecmascript/serializer/serialize_data.h"
namespace panda::ecmascript {
class Ecmavm;
class JSThread;
class BaseSerializer {
public:
explicit BaseSerializer(JSThread *thread) : thread_(thread), vm_(thread->GetEcmaVM())
{
data_.reset(new SerializeData(thread));
}
virtual ~BaseSerializer()
{
referenceMap_.clear();
}
NO_COPY_SEMANTIC(BaseSerializer);
NO_MOVE_SEMANTIC(BaseSerializer);
void SerializeJSTaggedValue(JSTaggedValue value);
std::unique_ptr<SerializeData> Release()
{
return std::move(data_);
}
protected:
// Different serialize mode can implement this interface to custom processing
virtual void SerializeObjectImpl(TaggedObject *object, bool isWeak = false) = 0;
void WriteMultiRawData(uintptr_t beginAddr, size_t fieldSize);
template<SerializeType serializeType>
void SerializeTaggedObject(TaggedObject *object);
bool SerializeReference(TaggedObject *object);
bool SerializeRootObject(TaggedObject *object);
void SerializeSharedObject(TaggedObject *object);
template<SerializeType serializeType>
void SerializeObjectField(TaggedObject *object);
bool SerializeSpecialObjIndividually(JSType objectType, TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeHClassFieldIndividually(TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeSFunctionFieldIndividually(TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeSFunctionModule(JSFunction *func);
void SerializeLexicalEnvFieldIndividually(TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeSendableEnvFieldIndividually(TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeAsyncFunctionFieldIndividually(TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeObjectProto(JSHClass *kclass, JSTaggedValue proto);
void SerializeTaggedObjField(SerializeType serializeType, TaggedObject *root, ObjectSlot start, ObjectSlot end);
void SerializeInObjField(TaggedObject *object, ObjectSlot start, ObjectSlot end);
SerializedObjectSpace GetSerializedObjectSpace(TaggedObject *object) const;
protected:
JSThread *thread_;
EcmaVM *vm_;
std::unique_ptr<SerializeData> data_;
CUnorderedMap<TaggedObject *, uint32_t> referenceMap_;
std::vector<JSTaggedType> sharedObjects_;
size_t objectIndex_ {0};
static constexpr size_t PARENT_ENV_SLOT = sizeof(TaggedObject);
static constexpr size_t SCOPE_INFO_SLOT = PARENT_ENV_SLOT * 2; // 2: the second object slot of lexical env
int32_t serializeSharedEvent_ = 0;
};
}
#endif // ECMASCRIPT_SERIALIZER_BASE_SERIALIZER_H