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
23namespace clang {
24
25class MultiplexASTMutationListener;
26class MultiplexASTDeserializationListener;
27
28// Has a list of ASTConsumers and calls each of them. Owns its children.
29class MultiplexConsumer : public SemaConsumer {
30public:
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
54private:
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