1 //===- SymbolVisitorCallbacks.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_SYMBOLVISITORCALLBACKS_H 11 #define LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKS_H 12 13 #include "llvm/DebugInfo/CodeView/SymbolRecord.h" 14 #include "llvm/Support/Error.h" 15 16 namespace llvm { 17 namespace codeview { 18 19 class SymbolVisitorCallbacks { 20 friend class CVSymbolVisitor; 21 22 public: 23 virtual ~SymbolVisitorCallbacks() = default; 24 25 /// Action to take on unknown symbols. By default, they are ignored. 26 virtual Error visitUnknownSymbol(CVSymbol &Record) { 27 return Error::success(); 28 } 29 30 /// Paired begin/end actions for all symbols. Receives all record data, 31 /// including the fixed-length record prefix. visitSymbolBegin() should 32 /// return 33 /// the type of the Symbol, or an error if it cannot be determined. 34 virtual Error visitSymbolBegin(CVSymbol &Record) { return Error::success(); } 35 virtual Error visitSymbolEnd(CVSymbol &Record) { return Error::success(); } 36 37 #define SYMBOL_RECORD(EnumName, EnumVal, Name) \ 38 virtual Error visitKnownRecord(CVSymbol &CVR, Name &Record) { \ 39 return Error::success(); \ 40 } 41 #define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName) 42 #include "CVSymbolTypes.def" 43 }; 44 45 } // end namespace codeview 46 } // end namespace llvm 47 48 #endif // LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKS_H 49
