1//==- DIAEnumLineNumbers.cpp - DIA Line Number Enumerator impl ---*- C++ -*-==// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h" 10#include "llvm/DebugInfo/PDB/DIA/DIALineNumber.h" 11#include "llvm/DebugInfo/PDB/PDBSymbol.h" 12 13using namespace llvm; 14using namespace llvm::pdb; 15 16DIAEnumLineNumbers::DIAEnumLineNumbers( 17 CComPtr<IDiaEnumLineNumbers> DiaEnumerator) 18 : Enumerator(DiaEnumerator) {} 19 20uint32_t DIAEnumLineNumbers::getChildCount() const { 21 LONG Count = 0; 22 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 23} 24 25std::unique_ptr<IPDBLineNumber> 26DIAEnumLineNumbers::getChildAtIndex(uint32_t Index) const { 27 CComPtr<IDiaLineNumber> Item; 28 if (S_OK != Enumerator->Item(Index, &Item)) 29 return nullptr; 30 31 return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item)); 32} 33 34std::unique_ptr<IPDBLineNumber> DIAEnumLineNumbers::getNext() { 35 CComPtr<IDiaLineNumber> Item; 36 ULONG NumFetched = 0; 37 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 38 return nullptr; 39 40 return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item)); 41} 42 43void DIAEnumLineNumbers::reset() { Enumerator->Reset(); } 44