|  | // Copyright 2023 The Dawn & Tint Authors | 
|  | // | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are met: | 
|  | // | 
|  | // 1. Redistributions of source code must retain the above copyright notice, this | 
|  | //    list of conditions and the following disclaimer. | 
|  | // | 
|  | // 2. Redistributions in binary form must reproduce the above copyright notice, | 
|  | //    this list of conditions and the following disclaimer in the documentation | 
|  | //    and/or other materials provided with the distribution. | 
|  | // | 
|  | // 3. Neither the name of the copyright holder nor the names of its | 
|  | //    contributors may be used to endorse or promote products derived from | 
|  | //    this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 
|  | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|  | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
|  | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | 
|  | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 
|  | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
|  | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
|  | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | #ifndef SRC_TINT_LANG_WGSL_AST_IDENTIFIER_H_ | 
|  | #define SRC_TINT_LANG_WGSL_AST_IDENTIFIER_H_ | 
|  |  | 
|  | #include "src/tint/lang/wgsl/ast/node.h" | 
|  | #include "src/tint/utils/symbol/symbol.h" | 
|  |  | 
|  | namespace tint::ast { | 
|  |  | 
|  | /// An identifier | 
|  | class Identifier : public Castable<Identifier, Node> { | 
|  | public: | 
|  | /// Constructor | 
|  | /// @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 sym the symbol for the identifier | 
|  | Identifier(GenerationID pid, NodeID nid, const Source& src, Symbol sym); | 
|  |  | 
|  | /// Destructor | 
|  | ~Identifier() override; | 
|  |  | 
|  | /// Clones this node and all transitive child nodes using the `CloneContext` | 
|  | /// `ctx`. | 
|  | /// @param ctx the clone context | 
|  | /// @return the newly cloned node | 
|  | const Identifier* Clone(CloneContext& ctx) const override; | 
|  |  | 
|  | /// The symbol for the identifier | 
|  | const Symbol symbol; | 
|  | }; | 
|  |  | 
|  | }  // namespace tint::ast | 
|  |  | 
|  | #endif  // SRC_TINT_LANG_WGSL_AST_IDENTIFIER_H_ |