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 ES2PANDA_COMPILER_CHECKER_TYPES_ETS_READONLY_TYPE_H 17 #define ES2PANDA_COMPILER_CHECKER_TYPES_ETS_READONLY_TYPE_H 18 19 #include "checker/types/type.h" 20 #include "ir/astNode.h" 21 22 namespace ark::es2panda::checker { 23 24 // The type of Readonly<T>(the type of T is ETSTypeParameter) is ETSReadonlyType 25 class ETSReadonlyType : public Type { 26 public: ETSReadonlyType(ETSTypeParameter * tparam)27 explicit ETSReadonlyType(ETSTypeParameter *tparam) : Type(TypeFlag::ETS_READONLY), tparam_(tparam) {} 28 GetUnderlying()29 ETSTypeParameter *GetUnderlying() const 30 { 31 return tparam_; 32 } 33 34 void Identical(TypeRelation *relation, Type *other) override; 35 void AssignmentTarget(TypeRelation *relation, Type *source) override; 36 bool AssignmentSource(TypeRelation *relation, Type *target) override; 37 void Cast(TypeRelation *relation, Type *target) override; 38 void CastTarget(TypeRelation *relation, Type *source) override; 39 void IsSupertypeOf(TypeRelation *relation, Type *source) override; 40 void IsSubtypeOf(TypeRelation *relation, Type *target) override; 41 Type *Substitute(TypeRelation *relation, const Substitution *substitution) override; 42 43 void ToString(std::stringstream &ss, bool precise) const override; 44 void ToAssemblerType(std::stringstream &ss) const override; 45 void ToDebugInfoType(std::stringstream &ss) const override; 46 47 Type *Instantiate(ArenaAllocator *allocator, TypeRelation *relation, GlobalTypesHolder *globalTypes) override; 48 49 private: 50 ETSTypeParameter *const tparam_; 51 }; 52 53 } // namespace ark::es2panda::checker 54 55 #endif 56