| // Copyright 2023 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_TINT_LANG_WGSL_AST_EXTENSION_H_ |
| #define SRC_TINT_LANG_WGSL_AST_EXTENSION_H_ |
| |
| #include "src/tint/lang/core/builtin/extension.h" |
| #include "src/tint/lang/wgsl/ast/node.h" |
| |
| namespace tint::ast { |
| |
| /// An extension used in an "enable" directive. Example: |
| /// ``` |
| /// enable f16; |
| /// ``` |
| class Extension final : public Castable<Extension, Node> { |
| public: |
| /// Create a extension |
| /// @param pid the identifier of the program that owns this node |
| /// @param nid the unique node identifier |
| /// @param src the source of this node |
| /// @param ext the extension |
| Extension(GenerationID pid, NodeID nid, const Source& src, builtin::Extension ext); |
| |
| /// Destructor |
| ~Extension() override; |
| |
| /// Clones this node and all transitive child nodes using the `CloneContext` |
| /// `ctx`. |
| /// @param ctx the clone context |
| /// @return the newly cloned node |
| const Extension* Clone(CloneContext& ctx) const override; |
| |
| /// The extension name |
| const builtin::Extension name; |
| }; |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_LANG_WGSL_AST_EXTENSION_H_ |