48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
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//==- DIAEnumSymbols.cpp - DIA Symbol 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/DIAEnumSymbols.h"
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#include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
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#include "llvm/DebugInfo/PDB/DIA/DIASession.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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DIAEnumSymbols::DIAEnumSymbols(const DIASession &PDBSession,
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CComPtr<IDiaEnumSymbols> DiaEnumerator)
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: Session(PDBSession), Enumerator(DiaEnumerator) {}
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uint32_t DIAEnumSymbols::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<PDBSymbol>
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DIAEnumSymbols::getChildAtIndex(uint32_t Index) const {
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CComPtr<IDiaSymbol> Item;
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if (S_OK != Enumerator->Item(Index, &Item))
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return nullptr;
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std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item));
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return std::unique_ptr<PDBSymbol>(PDBSymbol::create(Session, std::move(RawSymbol)));
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}
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std::unique_ptr<PDBSymbol> DIAEnumSymbols::getNext() {
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CComPtr<IDiaSymbol> 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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std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item));
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return std::unique_ptr<PDBSymbol>(
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PDBSymbol::create(Session, std::move(RawSymbol)));
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}
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void DIAEnumSymbols::reset() { Enumerator->Reset(); }
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