LLVM  3.7.0
DIAEnumSourceFiles.cpp
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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 
13 
14 using namespace llvm;
15 
17  const DIASession &PDBSession, CComPtr<IDiaEnumSourceFiles> DiaEnumerator)
18  : Session(PDBSession), Enumerator(DiaEnumerator) {}
19 
21  LONG Count = 0;
22  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
23 }
24 
25 std::unique_ptr<IPDBSourceFile>
26 DIAEnumSourceFiles::getChildAtIndex(uint32_t Index) const {
27  CComPtr<IDiaSourceFile> Item;
28  if (S_OK != Enumerator->Item(Index, &Item))
29  return nullptr;
30 
31  return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
32 }
33 
34 std::unique_ptr<IPDBSourceFile> DIAEnumSourceFiles::getNext() {
35  CComPtr<IDiaSourceFile> Item;
36  ULONG NumFetched = 0;
37  if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
38  return nullptr;
39 
40  return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
41 }
42 
43 void DIAEnumSourceFiles::reset() { Enumerator->Reset(); }
44 
46  CComPtr<IDiaEnumSourceFiles> EnumeratorClone;
47  if (S_OK != Enumerator->Clone(&EnumeratorClone))
48  return nullptr;
49  return new DIAEnumSourceFiles(Session, EnumeratorClone);
50 }
DIAEnumSourceFiles(const DIASession &PDBSession, CComPtr< IDiaEnumSourceFiles > DiaEnumerator)
uint32_t getChildCount() const override
ChildTypePtr getNext() override
DIAEnumSourceFiles * clone() const override
ChildTypePtr getChildAtIndex(uint32_t Index) const override