1 /* 2 * Copyright (c) 2023 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_VALUE_SERIALIZER_H 17 #define ECMASCRIPT_SERIALIZER_VALUE_SERIALIZER_H 18 19 #include "ecmascript/serializer/base_serializer-inl.h" 20 21 namespace panda::ecmascript { 22 23 class ValueSerializer : public BaseSerializer { 24 public: 25 explicit ValueSerializer(JSThread *thread, bool defaultTransfer = false, bool defaultCloneShared = false) BaseSerializer(thread)26 : BaseSerializer(thread), defaultTransfer_(defaultTransfer), defaultCloneShared_(defaultCloneShared) {} ~ValueSerializer()27 ~ValueSerializer() override 28 { 29 // clear transfer obj set after serialization 30 transferDataSet_.clear(); 31 cloneArrayBufferSet_.clear(); 32 cloneSharedSet_.clear(); 33 } 34 NO_COPY_SEMANTIC(ValueSerializer); 35 NO_MOVE_SEMANTIC(ValueSerializer); 36 37 bool WriteValue(JSThread *thread, const JSHandle<JSTaggedValue> &value, const JSHandle<JSTaggedValue> &transfer, 38 const JSHandle<JSTaggedValue> &cloneList); 39 40 protected: 41 virtual bool CheckObjectCanSerialize(TaggedObject *object, bool &findSharedObject); GetMaxJSSerializerSize(EcmaVM * vm)42 virtual size_t GetMaxJSSerializerSize(EcmaVM *vm) 43 { 44 return vm->GetEcmaParamConfiguration().GetMaxJSSerializerSize(); 45 } 46 47 private: 48 virtual bool SerializeSharedObj([[maybe_unused]] TaggedObject *object); 49 void SerializeJSError(TaggedObject *object); 50 void SerializeNativeBindingObject(TaggedObject *object); 51 bool SerializeJSArrayBufferPrologue(TaggedObject *object); 52 void SerializeJSSharedArrayBufferPrologue(TaggedObject *object); 53 void SerializeJSSendableArrayBufferPrologue(TaggedObject *object); 54 void SerializeJSRegExpPrologue(JSRegExp *jsRegExp); 55 bool PrepareTransfer(JSThread *thread, const JSHandle<JSTaggedValue> &transfer); 56 bool PrepareClone(JSThread *thread, const JSHandle<JSTaggedValue> &cloneList); IsInternalJSType(JSType type)57 bool IsInternalJSType(JSType type) 58 { 59 if ((type >= JSType::JS_RECORD_FIRST && type <= JSType::JS_RECORD_LAST) || 60 (type == JSType::JS_NATIVE_POINTER && !supportJSNativePointer_)) { 61 return false; 62 } 63 return type >= JSType::HCLASS && type <= JSType::TYPE_LAST && type != JSType::SYMBOL; 64 } 65 PrintAndRecordErrorMessage(const std::string & errorMessage)66 void PrintAndRecordErrorMessage(const std::string &errorMessage) 67 { 68 LOG_ECMA(ERROR) << errorMessage; 69 data_->SetErrorMessage(errorMessage); 70 } 71 72 // process SourceTextModule fields 73 bool SerializeModuleCNativeObjects(TaggedObject *object); 74 protected: 75 void SerializeObjectImpl(TaggedObject *object, bool isWeak = false) override; 76 bool notSupport_ {false}; 77 78 private: 79 bool defaultTransfer_ {false}; 80 bool defaultCloneShared_ {false}; 81 bool supportJSNativePointer_ {false}; 82 std::vector<std::pair<ssize_t, panda::JSNApi::NativeBindingInfo *>> detachCallbackInfo_; 83 CUnorderedSet<uintptr_t> transferDataSet_; 84 CUnorderedSet<uintptr_t> cloneArrayBufferSet_; 85 CUnorderedSet<uintptr_t> cloneSharedSet_; 86 }; 87 } 88 89 #endif // ECMASCRIPT_SERIALIZER_BASE_SERIALIZER_H