1 //==- DIAEnumSymbols.cpp - DIA Symbol Enumerator impl ------------*- 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 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h" 11 #include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h" 12 #include "llvm/DebugInfo/PDB/DIA/DIASession.h" 13 #include "llvm/DebugInfo/PDB/PDBSymbol.h" 14 15 using namespace llvm; 16 using namespace llvm::pdb; 17 18 DIAEnumSymbols::DIAEnumSymbols(const DIASession &PDBSession, 19 CComPtr<IDiaEnumSymbols> DiaEnumerator) 20 : Session(PDBSession), Enumerator(DiaEnumerator) {} 21 22 uint32_t DIAEnumSymbols::getChildCount() const { 23 LONG Count = 0; 24 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 25 } 26 27 std::unique_ptr<PDBSymbol> 28 DIAEnumSymbols::getChildAtIndex(uint32_t Index) const { 29 CComPtr<IDiaSymbol> Item; 30 if (S_OK != Enumerator->Item(Index, &Item)) 31 return nullptr; 32 33 std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); 34 return std::unique_ptr<PDBSymbol>(PDBSymbol::create(Session, std::move(RawSymbol))); 35 } 36 37 std::unique_ptr<PDBSymbol> DIAEnumSymbols::getNext() { 38 CComPtr<IDiaSymbol> Item; 39 ULONG NumFetched = 0; 40 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 41 return nullptr; 42 43 std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); 44 return std::unique_ptr<PDBSymbol>( 45 PDBSymbol::create(Session, std::move(RawSymbol))); 46 } 47 48 void DIAEnumSymbols::reset() { Enumerator->Reset(); } 49