LLVM 20.0.0git
DIAEnumDebugStreams.cpp
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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
12
13using namespace llvm;
14using namespace llvm::pdb;
15
17 CComPtr<IDiaEnumDebugStreams> DiaEnumerator)
18 : Enumerator(DiaEnumerator) {}
19
21 LONG Count = 0;
22 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
23}
24
25std::unique_ptr<IPDBDataStream>
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
37std::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
46void DIAEnumDebugStreams::reset() { Enumerator->Reset(); }
DIAEnumDebugStreams(CComPtr< IDiaEnumDebugStreams > DiaEnumerator)
ChildTypePtr getChildAtIndex(uint32_t Index) const override
uint32_t getChildCount() const override
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18