xref: /llvm-project/llvm/lib/DebugInfo/PDB/DIA/DIAEnumInjectedSources.cpp (revision ba732f213dbc90f89c50a15548f7e09a6c291438)
1 //==- DIAEnumSourceFiles.cpp - DIA Source File Enumerator impl ---*- C++ -*-==//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/DebugInfo/PDB/DIA/DIAEnumInjectedSources.h"
11 #include "llvm/DebugInfo/PDB/DIA/DIAInjectedSource.h"
12 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
13 
14 using namespace llvm;
15 using namespace llvm::pdb;
16 
17 DIAEnumInjectedSources::DIAEnumInjectedSources(
18     CComPtr<IDiaEnumInjectedSources> DiaEnumerator)
19     : Enumerator(DiaEnumerator) {}
20 
21 uint32_t DIAEnumInjectedSources::getChildCount() const {
22   LONG Count = 0;
23   return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
24 }
25 
26 std::unique_ptr<IPDBInjectedSource>
27 DIAEnumInjectedSources::getChildAtIndex(uint32_t Index) const {
28   CComPtr<IDiaInjectedSource> Item;
29   if (S_OK != Enumerator->Item(Index, &Item))
30     return nullptr;
31 
32   return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
33 }
34 
35 std::unique_ptr<IPDBInjectedSource> DIAEnumInjectedSources::getNext() {
36   CComPtr<IDiaInjectedSource> Item;
37   ULONG NumFetched = 0;
38   if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
39     return nullptr;
40 
41   return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
42 }
43 
44 void DIAEnumInjectedSources::reset() { Enumerator->Reset(); }
45