LLVM  10.0.0svn
DIAEnumSectionContribs.cpp
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1 //==- DIAEnumSectionContribs.cpp ---------------------------------*- 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 
13 using namespace llvm;
14 using namespace llvm::pdb;
15 
17  const DIASession &PDBSession,
18  CComPtr<IDiaEnumSectionContribs> DiaEnumerator)
19  : Session(PDBSession), Enumerator(DiaEnumerator) {}
20 
22  LONG Count = 0;
23  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
24 }
25 
26 std::unique_ptr<IPDBSectionContrib>
28  CComPtr<IDiaSectionContrib> Item;
29  if (S_OK != Enumerator->Item(Index, &Item))
30  return nullptr;
31 
32  return std::unique_ptr<IPDBSectionContrib>(
33  new DIASectionContrib(Session, Item));
34 }
35 
36 std::unique_ptr<IPDBSectionContrib> DIAEnumSectionContribs::getNext() {
37  CComPtr<IDiaSectionContrib> Item;
38  ULONG NumFetched = 0;
39  if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
40  return nullptr;
41 
42  return std::unique_ptr<IPDBSectionContrib>(
43  new DIASectionContrib(Session, Item));
44 }
45 
46 void DIAEnumSectionContribs::reset() { Enumerator->Reset(); }
This class represents lattice values for constants.
Definition: AllocatorList.h:23
ChildTypePtr getChildAtIndex(uint32_t Index) const override
DIAEnumSectionContribs(const DIASession &PDBSession, CComPtr< IDiaEnumSectionContribs > DiaEnumerator)