1 //===- ChainedIncludesSource.h - Chained PCHs in Memory ---------*- 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 defines the ChainedIncludesSource class, which converts headers 11 // to chained PCHs in memory, mainly used for testing. 12 // 13 //===----------------------------------------------------------------------===// 14 #ifndef LLVM_CLANG_SERIALIZATION_CHAINEDINCLUDESSOURCE_H 15 #define LLVM_CLANG_SERIALIZATION_CHAINEDINCLUDESSOURCE_H 16 17 #include "clang/Sema/ExternalSemaSource.h" 18 #include <vector> 19 20 namespace clang { 21 class CompilerInstance; 22 23 class ChainedIncludesSource : public ExternalSemaSource { 24 public: 25 virtual ~ChainedIncludesSource(); 26 27 static ChainedIncludesSource *create(CompilerInstance &CI); 28 29 ExternalSemaSource &getFinalReader() const { return *FinalReader; } 30 31 private: 32 std::vector<CompilerInstance *> CIs; 33 OwningPtr<ExternalSemaSource> FinalReader; 34 35 36 protected: 37 38 //===----------------------------------------------------------------------===// 39 // ExternalASTSource interface. 40 //===----------------------------------------------------------------------===// 41 42 virtual Decl *GetExternalDecl(uint32_t ID); 43 virtual Selector GetExternalSelector(uint32_t ID); 44 virtual uint32_t GetNumExternalSelectors(); 45 virtual Stmt *GetExternalDeclStmt(uint64_t Offset); 46 virtual CXXBaseSpecifier *GetExternalCXXBaseSpecifiers(uint64_t Offset); 47 virtual bool FindExternalVisibleDeclsByName(const DeclContext *DC, 48 DeclarationName Name); 49 virtual ExternalLoadResult FindExternalLexicalDecls(const DeclContext *DC, 50 bool (*isKindWeWant)(Decl::Kind), 51 SmallVectorImpl<Decl*> &Result); 52 virtual void CompleteType(TagDecl *Tag); 53 virtual void CompleteType(ObjCInterfaceDecl *Class); 54 virtual void StartedDeserializing(); 55 virtual void FinishedDeserializing(); 56 virtual void StartTranslationUnit(ASTConsumer *Consumer); 57 virtual void PrintStats(); 58 59 /// Return the amount of memory used by memory buffers, breaking down 60 /// by heap-backed versus mmap'ed memory. 61 virtual void getMemoryBufferSizes(MemoryBufferSizes &sizes) const; 62 63 //===----------------------------------------------------------------------===// 64 // ExternalSemaSource interface. 65 //===----------------------------------------------------------------------===// 66 67 virtual void InitializeSema(Sema &S); 68 virtual void ForgetSema(); 69 virtual void ReadMethodPool(Selector Sel); 70 virtual bool LookupUnqualified(LookupResult &R, Scope *S); 71 }; 72 73 } 74 75 #endif 76
