1 //===-- MultiplexConsumer.h - AST Consumer for PCH Generation ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares the MultiplexConsumer class, which can be used to 11 // multiplex ASTConsumer and SemaConsumer messages to many consumers. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef CLANG_FRONTEND_MULTIPLEXCONSUMER_H 16 #define CLANG_FRONTEND_MULTIPLEXCONSUMER_H 17 18 #include "clang/Basic/LLVM.h" 19 #include "clang/Sema/SemaConsumer.h" 20 #include "llvm/ADT/OwningPtr.h" 21 #include <vector> 22 23 namespace clang { 24 25 class MultiplexASTMutationListener; 26 class MultiplexASTDeserializationListener; 27 28 // Has a list of ASTConsumers and calls each of them. Owns its children. 29 class MultiplexConsumer : public SemaConsumer { 30 public: 31 // Takes ownership of the pointers in C. 32 MultiplexConsumer(ArrayRef<ASTConsumer*> C); 33 ~MultiplexConsumer(); 34 35 // ASTConsumer 36 virtual void Initialize(ASTContext &Context); 37 virtual void HandleCXXStaticMemberVarInstantiation(VarDecl *VD); 38 virtual bool HandleTopLevelDecl(DeclGroupRef D); 39 virtual void HandleInterestingDecl(DeclGroupRef D); 40 virtual void HandleTranslationUnit(ASTContext &Ctx); 41 virtual void HandleTagDeclDefinition(TagDecl *D); 42 virtual void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D); 43 virtual void HandleTopLevelDeclInObjCContainer(DeclGroupRef D); 44 virtual void CompleteTentativeDefinition(VarDecl *D); 45 virtual void HandleVTable(CXXRecordDecl *RD, bool DefinitionRequired); 46 virtual ASTMutationListener *GetASTMutationListener(); 47 virtual ASTDeserializationListener *GetASTDeserializationListener(); 48 virtual void PrintStats(); 49 50 // SemaConsumer 51 virtual void InitializeSema(Sema &S); 52 virtual void ForgetSema(); 53 54 private: 55 std::vector<ASTConsumer*> Consumers; // Owns these. 56 OwningPtr<MultiplexASTMutationListener> MutationListener; 57 OwningPtr<MultiplexASTDeserializationListener> DeserializationListener; 58 }; 59 60 } // end namespace clang 61 62 #endif 63