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 "clang/Basic/LLVM.h"
21#include "llvm/ADT/OwningPtr.h"
22#include <vector>
23
24namespace clang {
25
26class MultiplexASTMutationListener;
27class MultiplexASTDeserializationListener;
28
29// Has a list of ASTConsumers and calls each of them. Owns its children.
30class MultiplexConsumer : public SemaConsumer {
31public:
32  // Takes ownership of the pointers in C.
33  MultiplexConsumer(ArrayRef<ASTConsumer*> C);
34  ~MultiplexConsumer();
35
36  // ASTConsumer
37  virtual void Initialize(ASTContext &Context);
38  virtual void HandleCXXStaticMemberVarInstantiation(VarDecl *VD);
39  virtual bool HandleTopLevelDecl(DeclGroupRef D);
40  virtual void HandleInterestingDecl(DeclGroupRef D);
41  virtual void HandleTranslationUnit(ASTContext &Ctx);
42  virtual void HandleTagDeclDefinition(TagDecl *D);
43  virtual void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D);
44  virtual void HandleTopLevelDeclInObjCContainer(DeclGroupRef D);
45  virtual void CompleteTentativeDefinition(VarDecl *D);
46  virtual void HandleVTable(CXXRecordDecl *RD, bool DefinitionRequired);
47  virtual ASTMutationListener *GetASTMutationListener();
48  virtual ASTDeserializationListener *GetASTDeserializationListener();
49  virtual void PrintStats();
50
51  // SemaConsumer
52  virtual void InitializeSema(Sema &S);
53  virtual void ForgetSema();
54
55  static bool classof(const MultiplexConsumer *) { return true; }
56private:
57  std::vector<ASTConsumer*> Consumers;  // Owns these.
58  OwningPtr<MultiplexASTMutationListener> MutationListener;
59  OwningPtr<MultiplexASTDeserializationListener> DeserializationListener;
60};
61
62}  // end namespace clang
63
64#endif
65