1 /** 2 * Copyright (c) 2023-2025 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 PANDA_RUNTIME_ETS_FFI_CLASSES_ETS_BOX_CLASSES_H_ 17 #define PANDA_RUNTIME_ETS_FFI_CLASSES_ETS_BOX_CLASSES_H_ 18 19 #include "macros.h" 20 #include "plugins/ets/runtime/types/ets_object.h" 21 22 namespace ark::ets { 23 24 template <typename T> 25 class EtsBoxPrimitive : public EtsObject { 26 public: 27 EtsBoxPrimitive() = delete; 28 ~EtsBoxPrimitive() = delete; 29 30 static EtsBoxPrimitive *Create(EtsCoroutine *coro, T value); 31 32 static Class *GetBoxClass(EtsCoroutine *coro); 33 34 static EtsClass *GetEtsBoxClass(EtsCoroutine *coro); 35 Unbox(EtsObject * obj)36 static T Unbox(EtsObject *obj) 37 { 38 auto val = EtsBoxPrimitive<T>::FromCoreType(obj); 39 ASSERT(val != nullptr); 40 return val->GetValue(); 41 } 42 FromCoreType(EtsObject * obj)43 static constexpr EtsBoxPrimitive *FromCoreType(EtsObject *obj) 44 { 45 ASSERT(obj->GetClass()->IsBoxed()); 46 return static_cast<EtsBoxPrimitive<T> *>(obj); 47 } 48 GetValue()49 T GetValue() const 50 { 51 return value_; 52 } 53 SetValue(T value)54 void SetValue(T value) 55 { 56 value_ = value; 57 } 58 59 NO_COPY_SEMANTIC(EtsBoxPrimitive); 60 NO_MOVE_SEMANTIC(EtsBoxPrimitive); 61 GetValueOffset()62 static constexpr size_t GetValueOffset() 63 { 64 return MEMBER_OFFSET(EtsBoxPrimitive, value_); 65 } 66 67 private: 68 T value_; 69 }; 70 } // namespace ark::ets 71 72 #endif // PANDA_RUNTIME_ETS_FFI_CLASSES_ETS_BOX_CLASSES_H_ 73