|  | // 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_STATEMENT_H_ | 
|  | #define SRC_AST_STATEMENT_H_ | 
|  |  | 
|  | #include <vector> | 
|  |  | 
|  | #include "src/ast/node.h" | 
|  |  | 
|  | namespace tint { | 
|  | namespace ast { | 
|  |  | 
|  | /// Base statement class | 
|  | class Statement : public Castable<Statement, Node> { | 
|  | public: | 
|  | ~Statement() override; | 
|  |  | 
|  | /// @returns the human readable name for the statement type. | 
|  | const char* Name() const; | 
|  |  | 
|  | protected: | 
|  | /// Constructor | 
|  | /// @param program_id the identifier of the program that owns this node | 
|  | /// @param source the source of the expression | 
|  | Statement(ProgramID program_id, const Source& source); | 
|  | /// Move constructor | 
|  | Statement(Statement&&); | 
|  |  | 
|  | private: | 
|  | Statement(const Statement&) = delete; | 
|  | }; | 
|  |  | 
|  | /// A list of statements | 
|  | using StatementList = std::vector<Statement*>; | 
|  |  | 
|  | }  // namespace ast | 
|  | }  // namespace tint | 
|  |  | 
|  | #endif  // SRC_AST_STATEMENT_H_ |