1//===--- ASTMutationListener.h - AST Mutation Interface --------*- 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 ASTMutationListener interface.
11//
12//===----------------------------------------------------------------------===//
13#ifndef LLVM_CLANG_AST_ASTMUTATIONLISTENER_H
14#define LLVM_CLANG_AST_ASTMUTATIONLISTENER_H
15
16namespace clang {
17  class Decl;
18  class DeclContext;
19  class TagDecl;
20  class CXXRecordDecl;
21  class ClassTemplateDecl;
22  class ClassTemplateSpecializationDecl;
23  class FunctionDecl;
24  class FunctionTemplateDecl;
25  class ObjCCategoryDecl;
26  class ObjCInterfaceDecl;
27
28/// \brief An abstract interface that should be implemented by listeners
29/// that want to be notified when an AST entity gets modified after its
30/// initial creation.
31class ASTMutationListener {
32public:
33  virtual ~ASTMutationListener();
34
35  /// \brief A new TagDecl definition was completed.
36  virtual void CompletedTagDefinition(const TagDecl *D) { }
37
38  /// \brief A new declaration with name has been added to a DeclContext.
39  virtual void AddedVisibleDecl(const DeclContext *DC, const Decl *D) {}
40
41  /// \brief An implicit member was added after the definition was completed.
42  virtual void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) {}
43
44  /// \brief A template specialization (or partial one) was added to the
45  /// template declaration.
46  virtual void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
47                                    const ClassTemplateSpecializationDecl *D) {}
48
49  /// \brief A template specialization (or partial one) was added to the
50  /// template declaration.
51  virtual void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
52                                              const FunctionDecl *D) {}
53
54  /// \brief An implicit member got a definition.
55  virtual void CompletedImplicitDefinition(const FunctionDecl *D) {}
56
57  /// \brief A static data member was implicitly instantiated.
58  virtual void StaticDataMemberInstantiated(const VarDecl *D) {}
59
60  /// \brief A new objc category class was added for an interface.
61  virtual void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
62                                            const ObjCInterfaceDecl *IFD) {}
63};
64
65} // end namespace clang
66
67#endif
68