| //==- DIAEnumDebugStreams.cpp - DIA Debug Stream Enumerator impl -*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h" |
| #include "llvm/DebugInfo/PDB/DIA/DIADataStream.h" |
| #include "llvm/DebugInfo/PDB/PDBSymbol.h" |
| |
| using namespace llvm; |
| using namespace llvm::pdb; |
| |
| DIAEnumDebugStreams::DIAEnumDebugStreams( |
| CComPtr<IDiaEnumDebugStreams> DiaEnumerator) |
| : Enumerator(DiaEnumerator) {} |
| |
| uint32_t DIAEnumDebugStreams::getChildCount() const { |
| LONG Count = 0; |
| return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; |
| } |
| |
| std::unique_ptr<IPDBDataStream> |
| DIAEnumDebugStreams::getChildAtIndex(uint32_t Index) const { |
| CComPtr<IDiaEnumDebugStreamData> Item; |
| VARIANT VarIndex; |
| VarIndex.vt = VT_I4; |
| VarIndex.lVal = Index; |
| if (S_OK != Enumerator->Item(VarIndex, &Item)) |
| return nullptr; |
| |
| return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); |
| } |
| |
| std::unique_ptr<IPDBDataStream> DIAEnumDebugStreams::getNext() { |
| CComPtr<IDiaEnumDebugStreamData> Item; |
| ULONG NumFetched = 0; |
| if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) |
| return nullptr; |
| |
| return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item)); |
| } |
| |
| void DIAEnumDebugStreams::reset() { Enumerator->Reset(); } |