contrib/llvm/tools/clang/include/clang/Frontend/ChainedIncludesSource.h

   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