- //===--- HLSLExternalSemaSource.h - HLSL Sema Source ------------*- C++ -*-===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- //  This file defines the HLSLExternalSemaSource interface. 
- // 
- //===----------------------------------------------------------------------===// 
- #ifndef CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H 
- #define CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H 
-   
- #include "llvm/ADT/DenseMap.h" 
-   
- #include "clang/Sema/ExternalSemaSource.h" 
-   
- namespace clang { 
- class NamespaceDecl; 
- class Sema; 
-   
- class HLSLExternalSemaSource : public ExternalSemaSource { 
-   Sema *SemaPtr = nullptr; 
-   NamespaceDecl *HLSLNamespace = nullptr; 
-   CXXRecordDecl *ResourceDecl; 
-   
-   using CompletionFunction = std::function<void(CXXRecordDecl *)>; 
-   llvm::DenseMap<CXXRecordDecl *, CompletionFunction> Completions; 
-   
-   void defineHLSLVectorAlias(); 
-   void defineTrivialHLSLTypes(); 
-   void forwardDeclareHLSLTypes(); 
-   
-   void completeBufferType(CXXRecordDecl *Record); 
-   
- public: 
-   ~HLSLExternalSemaSource() override; 
-   
-   /// Initialize the semantic source with the Sema instance 
-   /// being used to perform semantic analysis on the abstract syntax 
-   /// tree. 
-   void InitializeSema(Sema &S) override; 
-   
-   /// Inform the semantic consumer that Sema is no longer available. 
-   void ForgetSema() override { SemaPtr = nullptr; } 
-   
-   using ExternalASTSource::CompleteType; 
-   /// Complete an incomplete HLSL builtin type 
-   void CompleteType(TagDecl *Tag) override; 
- }; 
-   
- } // namespace clang 
-   
- #endif // CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H 
-