1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_SERIALIZER_INTER_OP_VALUE_DESERIALIZER_H 17 #define ECMASCRIPT_SERIALIZER_INTER_OP_VALUE_DESERIALIZER_H 18 19 #include "ecmascript/serializer/base_deserializer.h" 20 #include "ecmascript/serializer/serialize_data.h" 21 22 namespace panda::ecmascript { 23 class Heap; 24 class JSThread; 25 struct XRefBindingAttachInfo { 26 AttachXRefFunc af_ {nullptr}; 27 void *attachXRefData_ = {nullptr}; 28 JSHandle<JSTaggedValue> obj_; 29 size_t offset_ {0U}; 30 XRefBindingAttachInfoXRefBindingAttachInfo31 XRefBindingAttachInfo(AttachXRefFunc af, void *attachXRefData, JSHandle<JSTaggedValue> obj, size_t offset) 32 : af_(af), attachXRefData_(attachXRefData), obj_(obj), offset_(offset) {} 33 GetObjAddrXRefBindingAttachInfo34 uintptr_t GetObjAddr() const 35 { 36 return static_cast<uintptr_t>(obj_->GetRawData()); 37 } 38 GetFieldOffsetXRefBindingAttachInfo39 size_t GetFieldOffset() const 40 { 41 return offset_; 42 } 43 GetSlotXRefBindingAttachInfo44 ObjectSlot GetSlot() const 45 { 46 return ObjectSlot(GetObjAddr() + offset_); 47 } 48 }; 49 50 class InterOpValueDeserializer : public BaseDeserializer { 51 public: 52 explicit InterOpValueDeserializer(JSThread *thread, SerializeData *data, void *hint = nullptr) BaseDeserializer(thread,data,hint)53 : BaseDeserializer(thread, data, hint) {} 54 55 ~InterOpValueDeserializer() = default; 56 57 NO_COPY_SEMANTIC(InterOpValueDeserializer); 58 NO_MOVE_SEMANTIC(InterOpValueDeserializer); 59 60 private: 61 size_t DerivedExtraReadSingleEncodeData(uint8_t encodeFlag, uintptr_t objAddr, size_t fieldOffset) override; 62 void DeserializeSpecialRecordedObjects() override; 63 void DeserializeXRefBindingObject(XRefBindingAttachInfo *info); 64 std::vector<XRefBindingAttachInfo> xRefBindingAttachInfos_; 65 }; 66 } 67 68 #endif // ECMASCRIPT_SERIALIZER_INTER_OP_VALUE_DESERIALIZER_H