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 14 using namespace llvm; 15 DIAEnumDebugStreams(CComPtr<IDiaEnumDebugStreams> DiaEnumerator)16DIAEnumDebugStreams::DIAEnumDebugStreams( 17 CComPtr<IDiaEnumDebugStreams> DiaEnumerator) 18 : Enumerator(DiaEnumerator) {} 19 getChildCount() const20uint32_t DIAEnumDebugStreams::getChildCount() const { 21 LONG Count = 0; 22 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 23 } 24 25 std::unique_ptr<IPDBDataStream> getChildAtIndex(uint32_t Index) const26DIAEnumDebugStreams::getChildAtIndex(uint32_t Index) const { 27 CComPtr<IDiaEnumDebugStreamData> Item; 28 VARIANT VarIndex; 29 VarIndex.vt = VT_I4; 30 VarIndex.lVal = Index; 31 if (S_OK != Enumerator->Item(VarIndex, &Item)) 32 return nullptr; 33 34 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); 35 } 36 getNext()37std::unique_ptr<IPDBDataStream> DIAEnumDebugStreams::getNext() { 38 CComPtr<IDiaEnumDebugStreamData> Item; 39 ULONG NumFetched = 0; 40 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 41 return nullptr; 42 43 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); 44 } 45 reset()46void DIAEnumDebugStreams::reset() { Enumerator->Reset(); } 47 clone() const48DIAEnumDebugStreams *DIAEnumDebugStreams::clone() const { 49 CComPtr<IDiaEnumDebugStreams> EnumeratorClone; 50 if (S_OK != Enumerator->Clone(&EnumeratorClone)) 51 return nullptr; 52 return new DIAEnumDebugStreams(EnumeratorClone); 53 } 54