| // Copyright 2022 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_ID_ATTRIBUTE_H_ |
| #define SRC_AST_ID_ATTRIBUTE_H_ |
| |
| #include <string> |
| |
| #include "src/ast/attribute.h" |
| |
| namespace tint { |
| namespace ast { |
| |
| /// An id attribute for pipeline-overridable constants |
| class IdAttribute : public Castable<IdAttribute, Attribute> { |
| public: |
| /// Create an id attribute. |
| /// @param pid the identifier of the program that owns this node |
| /// @param src the source of this node |
| /// @param val the numeric id value |
| IdAttribute(ProgramID pid, const Source& src, uint32_t val); |
| ~IdAttribute() override; |
| |
| /// @returns the WGSL name for the attribute |
| std::string Name() const override; |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const IdAttribute* Clone(CloneContext* ctx) const override; |
| |
| /// The id value |
| const uint32_t value; |
| }; |
| |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_AST_ID_ATTRIBUTE_H_ |