lib/Index/ProgramImpl.h

   1 //===--- ProgramImpl.h - Internal Program implementation---------*- 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 //  Internal implementation for the Program class
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_CLANG_INDEX_PROGRAMIMPL_H
  15 #define LLVM_CLANG_INDEX_PROGRAMIMPL_H
  16
  17 #include "clang/Index/Entity.h"
  18 #include "llvm/ADT/StringSet.h"
  19
  20 namespace clang {
  21
  22 namespace idx {
  23   class EntityListener;
  24
  25 class ProgramImpl {
  26 public:
  27   typedef llvm::FoldingSet<Entity> EntitySetTy;
  28   typedef llvm::StringMapEntry<char> IdEntryTy;
  29
  30 private:
  31   llvm::FoldingSet<Entity> Entities;
  32   llvm::StringSet<> Idents;
  33   llvm::BumpPtrAllocator BumpAlloc;
  34
  35   ProgramImpl(const ProgramImpl&); // do not implement
  36   ProgramImpl &operator=(const ProgramImpl &); // do not implement
  37
  38 public:
  39   ProgramImpl() { }
  40
  41   llvm::FoldingSet<Entity> &getEntities() { return Entities; }
  42   llvm::StringSet<> &getIdents() { return Idents; }
  43
  44   void *Allocate(unsigned Size, unsigned Align = 8) {
  45     return BumpAlloc.Allocate(Size, Align);
  46   }
  47 };
  48
  49 } // namespace idx
  50
  51 } // namespace clang
  52
  53 #endif