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