| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0(the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_SEM_IF_STATEMENT_H_ |
| #define SRC_SEM_IF_STATEMENT_H_ |
| |
| #include "src/sem/statement.h" |
| |
| // Forward declarations |
| namespace tint { |
| namespace ast { |
| class IfStatement; |
| class ElseStatement; |
| } // namespace ast |
| namespace sem { |
| class Expression; |
| } // namespace sem |
| } // namespace tint |
| |
| namespace tint { |
| namespace sem { |
| |
| /// Holds semantic information about an if statement |
| class IfStatement : public Castable<IfStatement, CompoundStatement> { |
| public: |
| /// Constructor |
| /// @param declaration the AST node for this if statement |
| /// @param parent the owning statement |
| /// @param function the owning function |
| IfStatement(const ast::IfStatement* declaration, |
| const CompoundStatement* parent, |
| const sem::Function* function); |
| |
| /// Destructor |
| ~IfStatement() override; |
| |
| /// @returns the AST node |
| const ast::IfStatement* Declaration() const; |
| |
| /// @returns the if-statement condition expression |
| const Expression* Condition() const { return condition_; } |
| |
| /// Sets the if-statement condition expression |
| /// @param condition the if condition expression |
| void SetCondition(const Expression* condition) { condition_ = condition; } |
| |
| private: |
| const Expression* condition_ = nullptr; |
| }; |
| |
| /// Holds semantic information about an else statement |
| class ElseStatement : public Castable<ElseStatement, CompoundStatement> { |
| public: |
| /// Constructor |
| /// @param declaration the AST node for this else statement |
| /// @param parent the owning statement |
| /// @param function the owning function |
| ElseStatement(const ast::ElseStatement* declaration, |
| const CompoundStatement* parent, |
| const sem::Function* function); |
| |
| /// Destructor |
| ~ElseStatement() override; |
| |
| /// @returns the else-statement condition expression |
| const Expression* Condition() const { return condition_; } |
| |
| /// Sets the else-statement condition expression |
| /// @param condition the else condition expression |
| void SetCondition(const Expression* condition) { condition_ = condition; } |
| |
| private: |
| const Expression* condition_ = nullptr; |
| }; |
| |
| } // namespace sem |
| } // namespace tint |
| |
| #endif // SRC_SEM_IF_STATEMENT_H_ |