| 1 | //==- DIAEnumDebugStreams.cpp - DIA Debug Stream Enumerator impl -*- C++ -*-==// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h" |
| 10 | #include "llvm/DebugInfo/PDB/DIA/DIADataStream.h" |
| 11 | #include "llvm/DebugInfo/PDB/PDBSymbol.h" |
| 12 | |
| 13 | using namespace llvm; |
| 14 | using namespace llvm::pdb; |
| 15 | |
| 16 | DIAEnumDebugStreams::DIAEnumDebugStreams( |
| 17 | CComPtr<IDiaEnumDebugStreams> DiaEnumerator) |
| 18 | : Enumerator(DiaEnumerator) {} |
| 19 | |
| 20 | uint32_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> |
| 26 | DIAEnumDebugStreams::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 | |
| 37 | std::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 | |
| 46 | void DIAEnumDebugStreams::reset() { Enumerator->Reset(); } |
| 47 |