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 
DIAEnumInjectedSources(const DIASession & PDBSession,CComPtr<IDiaEnumInjectedSources> DiaEnumerator)17 DIAEnumInjectedSources::DIAEnumInjectedSources(
18     const DIASession &PDBSession,
19     CComPtr<IDiaEnumInjectedSources> DiaEnumerator)
20     : Session(PDBSession), Enumerator(DiaEnumerator) {}
21 
getChildCount() const22 uint32_t DIAEnumInjectedSources::getChildCount() const {
23   LONG Count = 0;
24   return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
25 }
26 
27 std::unique_ptr<IPDBInjectedSource>
getChildAtIndex(uint32_t Index) const28 DIAEnumInjectedSources::getChildAtIndex(uint32_t Index) const {
29   CComPtr<IDiaInjectedSource> Item;
30   if (S_OK != Enumerator->Item(Index, &Item))
31     return nullptr;
32 
33   return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
34 }
35 
getNext()36 std::unique_ptr<IPDBInjectedSource> DIAEnumInjectedSources::getNext() {
37   CComPtr<IDiaInjectedSource> Item;
38   ULONG NumFetched = 0;
39   if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
40     return nullptr;
41 
42   return std::unique_ptr<IPDBInjectedSource>(new DIAInjectedSource(Item));
43 }
44 
reset()45 void DIAEnumInjectedSources::reset() { Enumerator->Reset(); }
46 
clone() const47 DIAEnumInjectedSources *DIAEnumInjectedSources::clone() const {
48   CComPtr<IDiaEnumInjectedSources> EnumeratorClone;
49   if (S_OK != Enumerator->Clone(&EnumeratorClone))
50     return nullptr;
51   return new DIAEnumInjectedSources(Session, EnumeratorClone);
52 }
53