xref: /freebsd/contrib/llvm-project/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
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 
9 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSectionContribs.h"
10 #include "llvm/DebugInfo/PDB/DIA/DIASectionContrib.h"
11 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
12 
13 using namespace llvm;
14 using namespace llvm::pdb;
15 
DIAEnumSectionContribs(const DIASession & PDBSession,CComPtr<IDiaEnumSectionContribs> DiaEnumerator)16 DIAEnumSectionContribs::DIAEnumSectionContribs(
17     const DIASession &PDBSession,
18     CComPtr<IDiaEnumSectionContribs> DiaEnumerator)
19     : Session(PDBSession), Enumerator(DiaEnumerator) {}
20 
getChildCount() const21 uint32_t DIAEnumSectionContribs::getChildCount() const {
22   LONG Count = 0;
23   return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
24 }
25 
26 std::unique_ptr<IPDBSectionContrib>
getChildAtIndex(uint32_t Index) const27 DIAEnumSectionContribs::getChildAtIndex(uint32_t Index) const {
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 
getNext()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 
reset()46 void DIAEnumSectionContribs::reset() { Enumerator->Reset(); }
47