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/PDBSymbol.h" 11 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h" 12 #include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h" 13 #include "llvm/DebugInfo/PDB/DIA/DIASession.h" 14 15 using namespace llvm; 16 17 DIAEnumSymbols::DIAEnumSymbols(const DIASession &PDBSession, 18 CComPtr<IDiaEnumSymbols> DiaEnumerator) 19 : Session(PDBSession), Enumerator(DiaEnumerator) {} 20 21 uint32_t DIAEnumSymbols::getChildCount() const { 22 LONG Count = 0; 23 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 24 } 25 26 std::unique_ptr<PDBSymbol> 27 DIAEnumSymbols::getChildAtIndex(uint32_t Index) const { 28 CComPtr<IDiaSymbol> Item; 29 if (S_OK != Enumerator->Item(Index, &Item)) 30 return nullptr; 31 32 std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); 33 return std::unique_ptr<PDBSymbol>(PDBSymbol::create(Session, std::move(RawSymbol))); 34 } 35 36 std::unique_ptr<PDBSymbol> DIAEnumSymbols::getNext() { 37 CComPtr<IDiaSymbol> Item; 38 ULONG NumFetched = 0; 39 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 40 return nullptr; 41 42 std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); 43 return std::unique_ptr<PDBSymbol>( 44 PDBSymbol::create(Session, std::move(RawSymbol))); 45 } 46 47 void DIAEnumSymbols::reset() { Enumerator->Reset(); } 48 49 DIAEnumSymbols *DIAEnumSymbols::clone() const { 50 CComPtr<IDiaEnumSymbols> EnumeratorClone; 51 if (S_OK != Enumerator->Clone(&EnumeratorClone)) 52 return nullptr; 53 return new DIAEnumSymbols(Session, EnumeratorClone); 54 } 55
