| // Copyright 2020 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: |
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| // 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 |
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| // |
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| |
| #ifndef SRC_TINT_LANG_WGSL_AST_BUILTIN_ATTRIBUTE_H_ |
| #define SRC_TINT_LANG_WGSL_AST_BUILTIN_ATTRIBUTE_H_ |
| |
| #include <string> |
| |
| #include "src/tint/lang/wgsl/ast/attribute.h" |
| |
| // Forward declarations |
| namespace tint::ast { |
| class Expression; |
| } |
| |
| namespace tint::ast { |
| |
| /// A builtin attribute |
| class BuiltinAttribute final : public Castable<BuiltinAttribute, Attribute> { |
| 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 builtin the builtin value |
| BuiltinAttribute(GenerationID pid, NodeID nid, const Source& src, const Expression* builtin); |
| ~BuiltinAttribute() 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 BuiltinAttribute* Clone(CloneContext& ctx) const override; |
| |
| /// The builtin value |
| const Expression* const builtin; |
| }; |
| |
| } // namespace tint::ast |
| |
| #endif // SRC_TINT_LANG_WGSL_AST_BUILTIN_ATTRIBUTE_H_ |