1 //===- TypeVisitorCallbacks.h -----------------------------------*- 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 #ifndef LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKS_H 11 #define LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKS_H 12 13 #include "llvm/ADT/ArrayRef.h" 14 #include "llvm/DebugInfo/CodeView/CodeView.h" 15 #include "llvm/DebugInfo/CodeView/CVRecord.h" 16 #include "llvm/DebugInfo/CodeView/TypeRecord.h" 17 #include "llvm/Support/Error.h" 18 19 namespace llvm { 20 namespace codeview { 21 class TypeVisitorCallbacks { 22 friend class CVTypeVisitor; 23 24 public: ~TypeVisitorCallbacks()25 virtual ~TypeVisitorCallbacks() {} 26 27 /// Action to take on unknown types. By default, they are ignored. visitUnknownType(const CVRecord<TypeLeafKind> & Record)28 virtual Error visitUnknownType(const CVRecord<TypeLeafKind> &Record) { 29 return Error::success(); 30 } visitUnknownMember(const CVRecord<TypeLeafKind> & Record)31 virtual Error visitUnknownMember(const CVRecord<TypeLeafKind> &Record) { 32 return Error::success(); 33 } 34 35 /// Paired begin/end actions for all types. Receives all record data, 36 /// including the fixed-length record prefix. visitTypeBegin(const CVRecord<TypeLeafKind> & Record)37 virtual Error visitTypeBegin(const CVRecord<TypeLeafKind> &Record) { 38 return Error::success(); 39 } visitTypeEnd(const CVRecord<TypeLeafKind> & Record)40 virtual Error visitTypeEnd(const CVRecord<TypeLeafKind> &Record) { 41 return Error::success(); 42 } 43 visitFieldListBegin(const CVRecord<TypeLeafKind> & Record)44 virtual Error visitFieldListBegin(const CVRecord<TypeLeafKind> &Record) { 45 return Error::success(); 46 } 47 visitFieldListEnd(const CVRecord<TypeLeafKind> & Record)48 virtual Error visitFieldListEnd(const CVRecord<TypeLeafKind> &Record) { 49 return Error::success(); 50 } 51 52 #define TYPE_RECORD(EnumName, EnumVal, Name) \ 53 virtual Error visit##Name(Name##Record &Record) { return Error::success(); } 54 #define MEMBER_RECORD(EnumName, EnumVal, Name) \ 55 TYPE_RECORD(EnumName, EnumVal, Name) 56 #define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) 57 #define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) 58 #include "TypeRecords.def" 59 }; 60 } 61 } 62 63 #endif 64