1//==- DIAEnumDebugStreams.cpp - DIA Debug Stream 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/DIADataStream.h" 12#include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h" 13 14using namespace llvm; 15using namespace llvm::pdb; 16 17DIAEnumDebugStreams::DIAEnumDebugStreams( 18 CComPtr<IDiaEnumDebugStreams> DiaEnumerator) 19 : Enumerator(DiaEnumerator) {} 20 21uint32_t DIAEnumDebugStreams::getChildCount() const { 22 LONG Count = 0; 23 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 24} 25 26std::unique_ptr<IPDBDataStream> 27DIAEnumDebugStreams::getChildAtIndex(uint32_t Index) const { 28 CComPtr<IDiaEnumDebugStreamData> Item; 29 VARIANT VarIndex; 30 VarIndex.vt = VT_I4; 31 VarIndex.lVal = Index; 32 if (S_OK != Enumerator->Item(VarIndex, &Item)) 33 return nullptr; 34 35 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); 36} 37 38std::unique_ptr<IPDBDataStream> DIAEnumDebugStreams::getNext() { 39 CComPtr<IDiaEnumDebugStreamData> Item; 40 ULONG NumFetched = 0; 41 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 42 return nullptr; 43 44 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); 45} 46 47void DIAEnumDebugStreams::reset() { Enumerator->Reset(); } 48 49DIAEnumDebugStreams *DIAEnumDebugStreams::clone() const { 50 CComPtr<IDiaEnumDebugStreams> EnumeratorClone; 51 if (S_OK != Enumerator->Clone(&EnumeratorClone)) 52 return nullptr; 53 return new DIAEnumDebugStreams(EnumeratorClone); 54} 55