1 /** 2 * Copyright (c) 2023-2024 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 PANDA_PLUGINS_ETS_RUNTIME_TYPES_ETS_ATOMIC_FLAG_H 17 #define PANDA_PLUGINS_ETS_RUNTIME_TYPES_ETS_ATOMIC_FLAG_H 18 19 #include "plugins/ets/runtime/types/ets_object.h" 20 #include "plugins/ets/runtime/types/ets_primitives.h" 21 22 namespace ark::ets { 23 24 class EtsAtomicFlag : private ObjectHeader { 25 public: 26 EtsAtomicFlag() = delete; 27 ~EtsAtomicFlag() = delete; 28 29 NO_COPY_SEMANTIC(EtsAtomicFlag); 30 NO_MOVE_SEMANTIC(EtsAtomicFlag); 31 FromCoreType(ObjectHeader * flag)32 static EtsAtomicFlag *FromCoreType(ObjectHeader *flag) 33 { 34 return reinterpret_cast<EtsAtomicFlag *>(flag); 35 } 36 FromCoreType(const ObjectHeader * flag)37 static const EtsAtomicFlag *FromCoreType(const ObjectHeader *flag) 38 { 39 return reinterpret_cast<const EtsAtomicFlag *>(flag); 40 } 41 GetCoreType()42 ObjectHeader *GetCoreType() 43 { 44 return reinterpret_cast<ObjectHeader *>(this); 45 } 46 GetCoreType()47 const ObjectHeader *GetCoreType() const 48 { 49 return reinterpret_cast<const ObjectHeader *>(this); 50 } 51 AsObject()52 EtsObject *AsObject() 53 { 54 return EtsObject::FromCoreType(this); 55 } 56 AsObject()57 const EtsObject *AsObject() const 58 { 59 return EtsObject::FromCoreType(this); 60 } 61 FromEtsObject(EtsObject * flag)62 static EtsAtomicFlag *FromEtsObject(EtsObject *flag) 63 { 64 return reinterpret_cast<EtsAtomicFlag *>(flag); 65 } 66 FromEtsObject(const EtsObject * flag)67 static const EtsAtomicFlag *FromEtsObject(const EtsObject *flag) 68 { 69 return reinterpret_cast<const EtsAtomicFlag *>(flag); 70 } 71 SetValue(EtsBoolean v)72 void SetValue(EtsBoolean v) 73 { 74 // GCC does not support maybe_ununused attribute on class members 75 UNUSED_VAR(flag_); 76 ObjectAccessor::SetPrimitive<EtsBoolean>(this, MEMBER_OFFSET(EtsAtomicFlag, flag_), v); 77 } 78 GetValue()79 EtsBoolean GetValue() const 80 { 81 // GCC does not support maybe_ununused attribute on class members 82 UNUSED_VAR(flag_); 83 return ObjectAccessor::GetPrimitive<EtsBoolean>(this, MEMBER_OFFSET(EtsAtomicFlag, flag_)); 84 } 85 86 private: 87 EtsBoolean flag_; 88 }; 89 90 } // namespace ark::ets 91 92 #endif // PANDA_PLUGINS_ETS_RUNTIME_TYPES_ETS_ATOMIC_FLAG_H 93