1//===- ASTDeserializationListener.h - Decl/Type PCH Read Events -*- 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 ASTDeserializationListener class, which is notified
11//  by the ASTReader whenever a type or declaration is deserialized.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_CLANG_FRONTEND_AST_DESERIALIZATION_LISTENER_H
16#define LLVM_CLANG_FRONTEND_AST_DESERIALIZATION_LISTENER_H
17
18#include "clang/Serialization/ASTBitCodes.h"
19
20namespace clang {
21
22class Decl;
23class ASTReader;
24class QualType;
25class MacroDefinition;
26class Module;
27
28class ASTDeserializationListener {
29protected:
30  virtual ~ASTDeserializationListener();
31
32public:
33
34  /// \brief The ASTReader was initialized.
35  virtual void ReaderInitialized(ASTReader *Reader) { }
36
37  /// \brief An identifier was deserialized from the AST file.
38  virtual void IdentifierRead(serialization::IdentID ID,
39                              IdentifierInfo *II) { }
40  /// \brief A type was deserialized from the AST file. The ID here has the
41  ///        qualifier bits already removed, and T is guaranteed to be locally
42  ///        unqualified.
43  virtual void TypeRead(serialization::TypeIdx Idx, QualType T) { }
44  /// \brief A decl was deserialized from the AST file.
45  virtual void DeclRead(serialization::DeclID ID, const Decl *D) { }
46  /// \brief A selector was read from the AST file.
47  virtual void SelectorRead(serialization::SelectorID iD, Selector Sel) { }
48  /// \brief A macro definition was read from the AST file.
49  virtual void MacroDefinitionRead(serialization::PreprocessedEntityID,
50                                   MacroDefinition *MD) { }
51  /// \brief A macro definition that had previously been deserialized
52  /// (and removed via IdentifierRead) has now been made visible.
53  virtual void MacroVisible(IdentifierInfo *II) { }
54  /// \brief A module definition was read from the AST file.
55  virtual void ModuleRead(serialization::SubmoduleID ID, Module *Mod) { }
56};
57
58}
59
60#endif
61