55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
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//==- DIAEnumDebugStreams.cpp - DIA Debug Stream Enumerator impl -*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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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DIAEnumDebugStreams *DIAEnumDebugStreams::clone() const {
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CComPtr<IDiaEnumDebugStreams> EnumeratorClone;
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if (S_OK != Enumerator->Clone(&EnumeratorClone))
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return nullptr;
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return new DIAEnumDebugStreams(EnumeratorClone);
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}
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