1 /** 2 * Copyright (c) 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_RUNTIME_ETS_FFI_CLASSES_ETS_BIGINT_H 17 #define PANDA_RUNTIME_ETS_FFI_CLASSES_ETS_BIGINT_H 18 19 #include "plugins/ets/runtime/types/ets_object.h" 20 #include "plugins/ets/runtime/types/ets_array.h" 21 22 namespace ark::ets { 23 24 namespace test { 25 class EtsBigIntMembers; 26 } // namespace test 27 28 class EtsBigInt : public EtsObject { 29 public: FromEtsObject(EtsObject * etsObj)30 static EtsBigInt *FromEtsObject(EtsObject *etsObj) 31 { 32 ASSERT(etsObj->GetClass()->IsBigInt()); 33 return reinterpret_cast<EtsBigInt *>(etsObj); 34 } 35 36 /* The sign field can have the following values: -1, 0, 1 37 * -1 - for negative 38 * 0 - for zero value 39 * 1 - for positive 40 */ GetSign()41 EtsInt GetSign() 42 { 43 return GetFieldPrimitive<EtsInt>(GetSignOffset()); 44 } 45 GetBytes()46 EtsIntArray *GetBytes() 47 { 48 return reinterpret_cast<EtsIntArray *>(GetFieldObject(GetBytesOffset())); 49 } 50 GetBytesOffset()51 static constexpr size_t GetBytesOffset() 52 { 53 return MEMBER_OFFSET(EtsBigInt, bytes_); 54 } 55 GetSignOffset()56 static constexpr size_t GetSignOffset() 57 { 58 return MEMBER_OFFSET(EtsBigInt, sign_); 59 } 60 61 EtsBigInt() = delete; 62 ~EtsBigInt() = delete; 63 64 private: 65 NO_COPY_SEMANTIC(EtsBigInt); 66 NO_MOVE_SEMANTIC(EtsBigInt); 67 68 ObjectPointer<EtsIntArray> bytes_; 69 EtsInt sign_; 70 71 friend class test::EtsBigIntMembers; 72 }; 73 74 } // namespace ark::ets 75 76 #endif // PANDA_RUNTIME_ETS_FFI_CLASSES_ETS_BIGINT_H 77