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_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 namespace panda::es2panda::checker { 22 class ETSAnalyzer; 23 } // namespace panda::es2panda::checker 24 namespace panda::es2panda::ir { 25 class AssignmentExpression : public Expression { 26 private: 27 struct Tag {}; 28 29 public: 30 AssignmentExpression() = delete; 31 ~AssignmentExpression() override = default; 32 33 NO_COPY_OPERATOR(AssignmentExpression); 34 NO_MOVE_SEMANTIC(AssignmentExpression); 35 AssignmentExpression(Expression * const left,Expression * const right,lexer::TokenType const assignmentOperator)36 explicit AssignmentExpression(Expression *const left, Expression *const right, 37 lexer::TokenType const assignmentOperator) 38 : AssignmentExpression(AstNodeType::ASSIGNMENT_EXPRESSION, left, right, assignmentOperator) 39 { 40 } 41 AssignmentExpression(AstNodeType const type,Expression * const left,Expression * const right,lexer::TokenType const assignmentOperator)42 explicit AssignmentExpression(AstNodeType const type, Expression *const left, Expression *const right, 43 lexer::TokenType const assignmentOperator) 44 : Expression(type), left_(left), right_(right), operator_(assignmentOperator) 45 { 46 } 47 48 explicit AssignmentExpression(Tag tag, AssignmentExpression const &other, Expression *left, Expression *right); 49 50 // NOTE (vivienvoros): these friend relationships can be removed once there are getters for private fields 51 friend class checker::ETSAnalyzer; 52 Left()53 [[nodiscard]] const Expression *Left() const noexcept 54 { 55 return left_; 56 } 57 Left()58 [[nodiscard]] Expression *Left() noexcept 59 { 60 return left_; 61 } 62 Right()63 [[nodiscard]] Expression *Right() noexcept 64 { 65 return right_; 66 } 67 Right()68 [[nodiscard]] const Expression *Right() const noexcept 69 { 70 return right_; 71 } 72 Result()73 [[nodiscard]] const Expression *Result() const noexcept 74 { 75 return result_; 76 } 77 Result()78 [[nodiscard]] Expression *Result() noexcept 79 { 80 return result_; 81 } 82 OperatorType()83 [[nodiscard]] lexer::TokenType OperatorType() const noexcept 84 { 85 return operator_; 86 } 87 SetOperatorType(lexer::TokenType tokenType)88 lexer::TokenType SetOperatorType(lexer::TokenType tokenType) noexcept 89 { 90 return operator_ = tokenType; 91 } 92 SetResult(Expression * expr)93 void SetResult(Expression *expr) noexcept 94 { 95 left_ = expr; 96 SetStart(left_->Start()); 97 } 98 IsLogicalExtended()99 [[nodiscard]] bool IsLogicalExtended() const noexcept 100 { 101 return operator_ == lexer::TokenType::PUNCTUATOR_LOGICAL_AND || 102 operator_ == lexer::TokenType::PUNCTUATOR_LOGICAL_OR; 103 } 104 Target()105 [[nodiscard]] varbinder::Variable *Target() noexcept 106 { 107 return target_; 108 } 109 Target()110 [[nodiscard]] varbinder::Variable *Target() const noexcept 111 { 112 return target_; 113 } 114 115 // NOLINTNEXTLINE(google-default-arguments) 116 [[nodiscard]] AssignmentExpression *Clone(ArenaAllocator *allocator, AstNode *parent = nullptr) override; 117 118 [[nodiscard]] bool ConvertibleToAssignmentPattern(bool mustBePattern = true); 119 120 void TransformChildren(const NodeTransformer &cb) override; 121 void Iterate(const NodeTraverser &cb) const override; 122 void Dump(ir::AstDumper *dumper) const override; 123 void Dump(ir::SrcDumper *dumper) const override; 124 void Compile(compiler::PandaGen *pg) const override; 125 void Compile(compiler::ETSGen *etsg) const override; 126 void CompilePattern(compiler::PandaGen *pg) const; 127 checker::Type *Check([[maybe_unused]] checker::TSChecker *checker) override; 128 checker::Type *Check([[maybe_unused]] checker::ETSChecker *checker) override; 129 Accept(ASTVisitorT * v)130 void Accept(ASTVisitorT *v) override 131 { 132 v->Accept(this); 133 } 134 135 protected: AssignmentExpression(AssignmentExpression const & other)136 AssignmentExpression(AssignmentExpression const &other) : Expression(static_cast<Expression const &>(other)) 137 { 138 operator_ = other.operator_; 139 target_ = other.target_; 140 operationType_ = other.operationType_; 141 } 142 143 private: 144 Expression *left_ = nullptr; 145 Expression *right_ = nullptr; 146 Expression *result_ = nullptr; 147 lexer::TokenType operator_; 148 varbinder::Variable *target_ {}; 149 checker::Type *operationType_ {}; 150 }; 151 } // namespace panda::es2panda::ir 152 153 #endif 154