1 /** 2 * Copyright (c) 2021-2024 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_TS_TYPE_PARAMETER_H 17 #define ES2PANDA_COMPILER_CHECKER_TYPES_TS_TYPE_PARAMETER_H 18 19 #include "checker/types/type.h" 20 21 namespace ark::es2panda::checker { 22 class TypeParameter : public Type { 23 public: TypeParameter(Type * constraint,Type * defaultType)24 TypeParameter(Type *constraint, Type *defaultType) 25 : Type(TypeFlag::TYPE_PARAMETER), constraint_(constraint), default_(defaultType) 26 { 27 } 28 ConstraintType()29 const Type *ConstraintType() const 30 { 31 return constraint_; 32 } 33 DefaultType()34 Type *DefaultType() 35 { 36 return default_; 37 } 38 DefaultTypeRef()39 Type **DefaultTypeRef() 40 { 41 return &default_; 42 } 43 SetDefaultType(Type * type)44 void SetDefaultType(Type *type) 45 { 46 default_ = type; 47 } 48 49 void ToString(std::stringstream &ss, [[maybe_unused]] bool precise) const override; 50 void Identical(TypeRelation *relation, Type *other) override; 51 void AssignmentTarget(TypeRelation *relation, Type *source) override; 52 TypeFacts GetTypeFacts() const override; 53 Type *Instantiate(ArenaAllocator *allocator, TypeRelation *relation, GlobalTypesHolder *globalTypes) override; 54 55 private: 56 Type *constraint_; 57 Type *default_; 58 }; 59 } // namespace ark::es2panda::checker 60 61 #endif /* TYPESCRIPT_TYPES_UNDEFINED_TYPE_H */ 62