| // Copyright 2020 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_AST_CASE_STATEMENT_H_ |
| #define SRC_AST_CASE_STATEMENT_H_ |
| |
| #include <vector> |
| |
| #include "src/ast/block_statement.h" |
| #include "src/ast/int_literal_expression.h" |
| |
| namespace tint { |
| namespace ast { |
| |
| /// A list of case literals |
| using CaseSelectorList = std::vector<const IntLiteralExpression*>; |
| |
| /// A case statement |
| class CaseStatement : public Castable<CaseStatement, Statement> { |
| public: |
| /// Constructor |
| /// @param pid the identifier of the program that owns this node |
| /// @param src the source of this node |
| /// @param selectors the case selectors |
| /// @param body the case body |
| CaseStatement(ProgramID pid, |
| const Source& src, |
| CaseSelectorList selectors, |
| const BlockStatement* body); |
| /// Move constructor |
| CaseStatement(CaseStatement&&); |
| ~CaseStatement() override; |
| |
| /// @returns true if this is a default statement |
| bool IsDefault() const { return selectors.empty(); } |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const CaseStatement* Clone(CloneContext* ctx) const override; |
| |
| /// The case selectors, empty if none set |
| const CaseSelectorList selectors; |
| |
| /// The case body |
| const BlockStatement* const body; |
| }; |
| |
| /// A list of case statements |
| using CaseStatementList = std::vector<const CaseStatement*>; |
| |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_AST_CASE_STATEMENT_H_ |