1 /** 2 * Copyright (c) 2021-2022 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_TYPESCRIPT_TYPES_TYPE_PARAMETER_H 17 #define ES2PANDA_COMPILER_TYPESCRIPT_TYPES_TYPE_PARAMETER_H 18 19 #include "type.h" 20 21 namespace panda::es2panda::checker { 22 23 class TypeParameter : public Type { 24 public: TypeParameter(Type * constraint,Type * defaultType)25 TypeParameter(Type *constraint, Type *defaultType) 26 : Type(TypeFlag::TYPE_PARAMETER), constraint_(constraint), default_(defaultType) 27 { 28 } 29 ConstraintType()30 const Type *ConstraintType() const 31 { 32 return constraint_; 33 } 34 DefaultType()35 Type *DefaultType() 36 { 37 return default_; 38 } 39 DefaultTypeRef()40 Type **DefaultTypeRef() 41 { 42 return &default_; 43 } 44 SetDefaultType(Type * type)45 void SetDefaultType(Type *type) 46 { 47 default_ = type; 48 } 49 50 void ToString(std::stringstream &ss) const override; 51 void Identical(TypeRelation *relation, Type *other) override; 52 void AssignmentTarget(TypeRelation *relation, Type *source) override; 53 TypeFacts GetTypeFacts() const override; 54 Type *Instantiate(ArenaAllocator *allocator, TypeRelation *relation, GlobalTypesHolder *globalTypes) override; 55 56 private: 57 Type *constraint_; 58 Type *default_; 59 }; 60 61 } // namespace panda::es2panda::checker 62 63 #endif /* TYPESCRIPT_TYPES_UNDEFINED_TYPE_H */ 64