1 /* 2 * Copyright (c) 2024-2025 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_IR_ETS_NEVER_TYPES_H 17 #define ES2PANDA_IR_ETS_NEVER_TYPES_H 18 19 #include "ir/typeNode.h" 20 21 namespace ark::es2panda::ir { 22 class ETSNeverType : public TypeNode { 23 public: ETSNeverType(ArenaAllocator * const allocator)24 explicit ETSNeverType(ArenaAllocator *const allocator) : TypeNode(AstNodeType::ETS_NEVER_TYPE, allocator) {} 25 26 void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override; 27 void Iterate(const NodeTraverser &cb) const override; 28 void Dump(ir::AstDumper *dumper) const override; 29 void Dump(ir::SrcDumper *dumper) const override; 30 void Compile([[maybe_unused]] compiler::PandaGen *pg) const override; 31 checker::Type *Check([[maybe_unused]] checker::TSChecker *checker) override; 32 checker::VerifiedType Check([[maybe_unused]] checker::ETSChecker *checker) override; 33 checker::Type *GetType([[maybe_unused]] checker::ETSChecker *checker) override; 34 Accept(ASTVisitorT * v)35 void Accept(ASTVisitorT *v) override 36 { 37 v->Accept(this); 38 } 39 [[nodiscard]] ETSNeverType *Clone(ArenaAllocator *allocator, AstNode *parent) override; 40 }; 41 } // namespace ark::es2panda::ir 42 43 #endif 44