1 /** 2 * Copyright (c) 2021-2022 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 #ifndef PANDA_RUNTIME_MEM_GC_GC_EXTENSION_DATA_H 16 #define PANDA_RUNTIME_MEM_GC_GC_EXTENSION_DATA_H 17 18 #include "macros.h" 19 #include "runtime/include/language_config.h" 20 21 namespace panda::mem { 22 23 // Base class for all GC language-specific data holders. 24 // Can be extended for different language types. 25 class GCExtensionData { 26 public: 27 GCExtensionData() = default; 28 virtual ~GCExtensionData() = default; 29 NO_COPY_SEMANTIC(GCExtensionData); 30 NO_MOVE_SEMANTIC(GCExtensionData); 31 32 #ifndef NDEBUG GetLangType()33 LangTypeT GetLangType() 34 { 35 return type_; 36 } 37 38 protected: SetLangType(LangTypeT type)39 void SetLangType(LangTypeT type) 40 { 41 type_ = type; 42 } 43 44 private: 45 // Used for assertions in inherited classes to ensure that 46 // language extension got the corresponding type of data 47 LangTypeT type_ {LANG_TYPE_STATIC}; 48 #endif // NDEBUG 49 }; 50 51 } // namespace panda::mem 52 53 #endif // PANDA_RUNTIME_MEM_GC_GC_EXTENSION_DATA_H 54