1 /* 2 * Copyright (c) 2021 - 2023 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_STRING_TYPE_H 17 #define ES2PANDA_COMPILER_CHECKER_TYPES_ETS_STRING_TYPE_H 18 19 #include "checker/types/ets/etsObjectType.h" 20 21 namespace panda::es2panda::checker { 22 class ETSStringType : public ETSObjectType { 23 public: ETSStringType(ArenaAllocator * allocator,ETSObjectType * super)24 explicit ETSStringType(ArenaAllocator *allocator, [[maybe_unused]] ETSObjectType *super) 25 : ETSObjectType(allocator, ETSObjectFlags::CLASS | ETSObjectFlags::STRING | ETSObjectFlags::RESOLVED_SUPER) 26 { 27 SetSuperType(super); 28 SetAssemblerName(compiler::Signatures::BUILTIN_STRING); 29 } 30 ETSStringType(ArenaAllocator * allocator,ETSObjectType * super,util::StringView value)31 explicit ETSStringType(ArenaAllocator *allocator, ETSObjectType *super, util::StringView value) 32 : ETSObjectType(allocator, ETSObjectFlags::CLASS | ETSObjectFlags::STRING | ETSObjectFlags::RESOLVED_SUPER), 33 value_(value) 34 { 35 SetSuperType(super); 36 SetAssemblerName(compiler::Signatures::BUILTIN_STRING); 37 AddTypeFlag(TypeFlag::CONSTANT); 38 variable_ = super->Variable(); 39 } 40 41 void Identical(TypeRelation *relation, Type *other) override; 42 bool AssignmentSource(TypeRelation *relation, Type *target) override; 43 void AssignmentTarget(TypeRelation *relation, Type *source) override; 44 Type *Instantiate(ArenaAllocator *allocator, TypeRelation *relation, GlobalTypesHolder *globalTypes) override; 45 ToString(std::stringstream & ss)46 void ToString(std::stringstream &ss) const override 47 { 48 ss << lexer::TokenToString(lexer::TokenType::KEYW_STRING); 49 } 50 ToAssemblerType(std::stringstream & ss)51 void ToAssemblerType([[maybe_unused]] std::stringstream &ss) const override 52 { 53 ss << compiler::Signatures::BUILTIN_STRING; 54 } 55 GetValue()56 util::StringView GetValue() const 57 { 58 return value_; 59 } 60 ResolveConditionExpr()61 std::tuple<bool, bool> ResolveConditionExpr() const override 62 { 63 if (IsNullish()) { 64 return {false, false}; 65 } 66 67 return {IsConstantType(), IsConstantType() ? (GetValue().Length() != 0) : false}; 68 } 69 70 private: 71 util::StringView value_ {}; 72 }; 73 } // namespace panda::es2panda::checker 74 75 #endif 76