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_ASSIGNMENT_EXPRESSION_H 17 #define ES2PANDA_IR_EXPRESSION_ASSIGNMENT_EXPRESSION_H 18 19 #include <ir/expression.h> 20 #include <lexer/token/tokenType.h> 21 22 namespace panda::es2panda::compiler { 23 class PandaGen; 24 } // namespace panda::es2panda::compiler 25 26 namespace panda::es2panda::checker { 27 class Checker; 28 class Type; 29 } // namespace panda::es2panda::checker 30 31 namespace panda::es2panda::ir { 32 33 class AssignmentExpression : public Expression { 34 public: AssignmentExpression(Expression * left,Expression * right,lexer::TokenType assignmentOperator)35 explicit AssignmentExpression(Expression *left, Expression *right, lexer::TokenType assignmentOperator) 36 : AssignmentExpression(AstNodeType::ASSIGNMENT_EXPRESSION, left, right, assignmentOperator) 37 { 38 } 39 AssignmentExpression(AstNodeType type,Expression * left,Expression * right,lexer::TokenType assignmentOperator)40 explicit AssignmentExpression(AstNodeType type, Expression *left, Expression *right, 41 lexer::TokenType assignmentOperator) 42 : Expression(type), left_(left), right_(right), operator_(assignmentOperator) 43 { 44 } 45 Left()46 const Expression *Left() const 47 { 48 return left_; 49 } 50 Left()51 Expression *Left() 52 { 53 return left_; 54 } 55 Right()56 Expression *Right() 57 { 58 return right_; 59 } 60 Right()61 const Expression *Right() const 62 { 63 return right_; 64 } 65 OperatorType()66 lexer::TokenType OperatorType() const 67 { 68 return operator_; 69 } 70 71 bool ConvertibleToAssignmentPattern(bool mustBePattern = true); 72 73 void Iterate(const NodeTraverser &cb) const override; 74 void Dump(ir::AstDumper *dumper) const override; 75 void Compile(compiler::PandaGen *pg) const override; 76 void CompilePattern(compiler::PandaGen *pg) const; 77 checker::Type *Check(checker::Checker *checker) const override; 78 void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override; 79 80 private: 81 Expression *left_; 82 Expression *right_; 83 lexer::TokenType operator_; 84 }; 85 86 } // namespace panda::es2panda::ir 87 88 #endif 89