llvm-project/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp

52 lines
1.7 KiB
C++

//==- DIAEnumSourceFiles.cpp - DIA Source File Enumerator impl ---*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/DIA/DIAEnumSourceFiles.h"
#include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
#include "llvm/DebugInfo/PDB/PDBSymbol.h"
using namespace llvm;
using namespace llvm::pdb;
DIAEnumSourceFiles::DIAEnumSourceFiles(
const DIASession &PDBSession, CComPtr<IDiaEnumSourceFiles> DiaEnumerator)
: Session(PDBSession), Enumerator(DiaEnumerator) {}
uint32_t DIAEnumSourceFiles::getChildCount() const {
LONG Count = 0;
return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
}
std::unique_ptr<IPDBSourceFile>
DIAEnumSourceFiles::getChildAtIndex(uint32_t Index) const {
CComPtr<IDiaSourceFile> Item;
if (S_OK != Enumerator->Item(Index, &Item))
return nullptr;
return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
}
std::unique_ptr<IPDBSourceFile> DIAEnumSourceFiles::getNext() {
CComPtr<IDiaSourceFile> Item;
ULONG NumFetched = 0;
if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
return nullptr;
return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
}
void DIAEnumSourceFiles::reset() { Enumerator->Reset(); }
DIAEnumSourceFiles *DIAEnumSourceFiles::clone() const {
CComPtr<IDiaEnumSourceFiles> EnumeratorClone;
if (S_OK != Enumerator->Clone(&EnumeratorClone))
return nullptr;
return new DIAEnumSourceFiles(Session, EnumeratorClone);
}