1 /** 2 * Copyright (c) 2021 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_EXPRESSION_CHAIN_EXPRESSION_H 17 #define ES2PANDA_IR_EXPRESSION_CHAIN_EXPRESSION_H 18 19 #include <ir/expression.h> 20 21 namespace panda::es2panda::compiler { 22 class PandaGen; 23 } // namespace panda::es2panda::compiler 24 25 namespace panda::es2panda::checker { 26 class Checker; 27 class Type; 28 } // namespace panda::es2panda::checker 29 30 namespace panda::es2panda::ir { 31 32 class ChainExpression : public Expression { 33 public: ChainExpression(Expression * expression)34 explicit ChainExpression(Expression *expression) 35 : Expression(AstNodeType::CHAIN_EXPRESSION), expression_(expression) 36 { 37 } 38 GetExpression()39 const Expression *GetExpression() const 40 { 41 return expression_; 42 } 43 44 void Iterate(const NodeTraverser &cb) const override; 45 void Dump(ir::AstDumper *dumper) const override; 46 void Compile(compiler::PandaGen *pg) const override; 47 checker::Type *Check(checker::Checker *checker) const override; 48 void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override; 49 50 private: 51 Expression *expression_; 52 }; 53 54 } // namespace panda::es2panda::ir 55 56 #endif 57