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_UPDATE_EXPRESSION_H 17#define ES2PANDA_IR_EXPRESSION_UPDATE_EXPRESSION_H 18 19#include <ir/expression.h> 20#include <lexer/token/tokenType.h> 21 22namespace panda::es2panda::compiler { 23class PandaGen; 24} // namespace panda::es2panda::compiler 25 26namespace panda::es2panda::checker { 27class Checker; 28class Type; 29} // namespace panda::es2panda::checker 30namespace panda::es2panda::ir { 31 32class UpdateExpression : public Expression { 33public: 34 explicit UpdateExpression(Expression *argument, lexer::TokenType updateOperator, bool isPrefix) 35 : Expression(AstNodeType::UPDATE_EXPRESSION), 36 argument_(argument), 37 operator_(updateOperator), 38 prefix_(isPrefix) 39 { 40 ASSERT(updateOperator == lexer::TokenType::PUNCTUATOR_PLUS_PLUS || 41 updateOperator == lexer::TokenType::PUNCTUATOR_MINUS_MINUS); 42 } 43 44 lexer::TokenType OperatorType() const 45 { 46 return operator_; 47 } 48 49 const Expression *Argument() const 50 { 51 return argument_; 52 } 53 54 bool IsPrefix() const 55 { 56 return prefix_; 57 } 58 void Iterate(const NodeTraverser &cb) const override; 59 void Dump(ir::AstDumper *dumper) const override; 60 void Compile(compiler::PandaGen *pg) const override; 61 checker::Type *Check(checker::Checker *checker) const override; 62 void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override; 63 64private: 65 Expression *argument_; 66 lexer::TokenType operator_; 67 bool prefix_; 68}; 69 70} // namespace panda::es2panda::ir 71 72#endif 73