xref: /freebsd/contrib/llvm-project/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSectionContribs.cpp (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric //==- DIAEnumSectionContribs.cpp ---------------------------------*- C++ -*-==//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric 
9*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIAEnumSectionContribs.h"
10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIASectionContrib.h"
11*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
12*0b57cec5SDimitry Andric 
13*0b57cec5SDimitry Andric using namespace llvm;
14*0b57cec5SDimitry Andric using namespace llvm::pdb;
15*0b57cec5SDimitry Andric 
DIAEnumSectionContribs(const DIASession & PDBSession,CComPtr<IDiaEnumSectionContribs> DiaEnumerator)16*0b57cec5SDimitry Andric DIAEnumSectionContribs::DIAEnumSectionContribs(
17*0b57cec5SDimitry Andric     const DIASession &PDBSession,
18*0b57cec5SDimitry Andric     CComPtr<IDiaEnumSectionContribs> DiaEnumerator)
19*0b57cec5SDimitry Andric     : Session(PDBSession), Enumerator(DiaEnumerator) {}
20*0b57cec5SDimitry Andric 
getChildCount() const21*0b57cec5SDimitry Andric uint32_t DIAEnumSectionContribs::getChildCount() const {
22*0b57cec5SDimitry Andric   LONG Count = 0;
23*0b57cec5SDimitry Andric   return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
24*0b57cec5SDimitry Andric }
25*0b57cec5SDimitry Andric 
26*0b57cec5SDimitry Andric std::unique_ptr<IPDBSectionContrib>
getChildAtIndex(uint32_t Index) const27*0b57cec5SDimitry Andric DIAEnumSectionContribs::getChildAtIndex(uint32_t Index) const {
28*0b57cec5SDimitry Andric   CComPtr<IDiaSectionContrib> Item;
29*0b57cec5SDimitry Andric   if (S_OK != Enumerator->Item(Index, &Item))
30*0b57cec5SDimitry Andric     return nullptr;
31*0b57cec5SDimitry Andric 
32*0b57cec5SDimitry Andric   return std::unique_ptr<IPDBSectionContrib>(
33*0b57cec5SDimitry Andric       new DIASectionContrib(Session, Item));
34*0b57cec5SDimitry Andric }
35*0b57cec5SDimitry Andric 
getNext()36*0b57cec5SDimitry Andric std::unique_ptr<IPDBSectionContrib> DIAEnumSectionContribs::getNext() {
37*0b57cec5SDimitry Andric   CComPtr<IDiaSectionContrib> Item;
38*0b57cec5SDimitry Andric   ULONG NumFetched = 0;
39*0b57cec5SDimitry Andric   if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
40*0b57cec5SDimitry Andric     return nullptr;
41*0b57cec5SDimitry Andric 
42*0b57cec5SDimitry Andric   return std::unique_ptr<IPDBSectionContrib>(
43*0b57cec5SDimitry Andric       new DIASectionContrib(Session, Item));
44*0b57cec5SDimitry Andric }
45*0b57cec5SDimitry Andric 
reset()46*0b57cec5SDimitry Andric void DIAEnumSectionContribs::reset() { Enumerator->Reset(); }
47