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_SERIALIZATION_ASTDESERIALIZATIONLISTENER_H
16 #define LLVM_CLANG_SERIALIZATION_ASTDESERIALIZATIONLISTENER_H
17 
18 #include "clang/Basic/IdentifierTable.h"
19 #include "clang/Serialization/ASTBitCodes.h"
20 
21 namespace clang {
22 
23 class Decl;
24 class ASTReader;
25 class QualType;
26 class MacroDefinitionRecord;
27 class MacroInfo;
28 class Module;
29 class SourceLocation;
30 
31 class ASTDeserializationListener {
32 public:
33   virtual ~ASTDeserializationListener();
34 
35   /// The ASTReader was initialized.
ReaderInitialized(ASTReader * Reader)36   virtual void ReaderInitialized(ASTReader *Reader) { }
37 
38   /// An identifier was deserialized from the AST file.
IdentifierRead(serialization::IdentID ID,IdentifierInfo * II)39   virtual void IdentifierRead(serialization::IdentID ID,
40                               IdentifierInfo *II) { }
41   /// A macro was read from the AST file.
MacroRead(serialization::MacroID ID,MacroInfo * MI)42   virtual void MacroRead(serialization::MacroID ID, MacroInfo *MI) { }
43   /// A type was deserialized from the AST file. The ID here has the
44   ///        qualifier bits already removed, and T is guaranteed to be locally
45   ///        unqualified.
TypeRead(serialization::TypeIdx Idx,QualType T)46   virtual void TypeRead(serialization::TypeIdx Idx, QualType T) { }
47   /// A decl was deserialized from the AST file.
DeclRead(serialization::DeclID ID,const Decl * D)48   virtual void DeclRead(serialization::DeclID ID, const Decl *D) { }
49   /// A selector was read from the AST file.
SelectorRead(serialization::SelectorID iD,Selector Sel)50   virtual void SelectorRead(serialization::SelectorID iD, Selector Sel) {}
51   /// A macro definition was read from the AST file.
MacroDefinitionRead(serialization::PreprocessedEntityID,MacroDefinitionRecord * MD)52   virtual void MacroDefinitionRead(serialization::PreprocessedEntityID,
53                                    MacroDefinitionRecord *MD) {}
54   /// A module definition was read from the AST file.
ModuleRead(serialization::SubmoduleID ID,Module * Mod)55   virtual void ModuleRead(serialization::SubmoduleID ID, Module *Mod) {}
56   /// A module import was read from the AST file.
ModuleImportRead(serialization::SubmoduleID ID,SourceLocation ImportLoc)57   virtual void ModuleImportRead(serialization::SubmoduleID ID,
58                                 SourceLocation ImportLoc) {}
59 };
60 }
61 
62 #endif
63