|  | // Copyright 2023 The Dawn & Tint Authors | 
|  | // | 
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|  | // | 
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|  | // | 
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|  |  | 
|  | #ifndef SRC_TINT_LANG_WGSL_AST_DIAGNOSTIC_DIRECTIVE_H_ | 
|  | #define SRC_TINT_LANG_WGSL_AST_DIAGNOSTIC_DIRECTIVE_H_ | 
|  |  | 
|  | #include <string> | 
|  | #include <utility> | 
|  | #include <vector> | 
|  |  | 
|  | #include "src/tint/lang/wgsl/ast/diagnostic_control.h" | 
|  | #include "src/tint/lang/wgsl/ast/node.h" | 
|  |  | 
|  | namespace tint::ast { | 
|  |  | 
|  | /// A "diagnostic" directive. Example: | 
|  | /// ``` | 
|  | ///   // Turn off diagnostics for derivative uniformity violations. | 
|  | ///   diagnostic(off, derivative_uniformity); | 
|  | /// ``` | 
|  | class DiagnosticDirective final : public Castable<DiagnosticDirective, 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 dc the diagnostic control | 
|  | DiagnosticDirective(GenerationID pid, NodeID nid, const Source& src, DiagnosticControl&& dc); | 
|  |  | 
|  | /// Destructor | 
|  | ~DiagnosticDirective() override; | 
|  |  | 
|  | /// Clones this node and all transitive child nodes using the `CloneContext` `ctx`. | 
|  | /// @param ctx the clone context | 
|  | /// @return the newly cloned node | 
|  | const DiagnosticDirective* Clone(CloneContext& ctx) const override; | 
|  |  | 
|  | /// The diagnostic control. | 
|  | const DiagnosticControl control; | 
|  | }; | 
|  |  | 
|  | }  // namespace tint::ast | 
|  |  | 
|  | #endif  // SRC_TINT_LANG_WGSL_AST_DIAGNOSTIC_DIRECTIVE_H_ |