1 //==- DIAEnumDebugStreams.cpp - DIA Debug Stream Enumerator impl -*- C++ -*-==//
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
7 //===----------------------------------------------------------------------===//
9 #include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h"
10 #include "llvm/DebugInfo/PDB/DIA/DIADataStream.h"
11 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
14 using namespace llvm::pdb;
16 DIAEnumDebugStreams::DIAEnumDebugStreams(
17 CComPtr<IDiaEnumDebugStreams> DiaEnumerator)
18 : Enumerator(DiaEnumerator) {}
20 uint32_t DIAEnumDebugStreams::getChildCount() const {
22 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
25 std::unique_ptr<IPDBDataStream>
26 DIAEnumDebugStreams::getChildAtIndex(uint32_t Index) const {
27 CComPtr<IDiaEnumDebugStreamData> Item;
30 VarIndex.lVal = Index;
31 if (S_OK != Enumerator->Item(VarIndex, &Item))
34 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item));
37 std::unique_ptr<IPDBDataStream> DIAEnumDebugStreams::getNext() {
38 CComPtr<IDiaEnumDebugStreamData> Item;
40 if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
43 return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item));
46 void DIAEnumDebugStreams::reset() { Enumerator->Reset(); }