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 13 using namespace llvm; 14 using namespace llvm::pdb; 15 16 DIAEnumLineNumbers::DIAEnumLineNumbers( 17 CComPtr<IDiaEnumLineNumbers> DiaEnumerator) 18 : Enumerator(DiaEnumerator) {} 19 20 uint32_t DIAEnumLineNumbers::getChildCount() const { 21 LONG Count = 0; 22 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 23 } 24 25 std::unique_ptr<IPDBLineNumber> 26 DIAEnumLineNumbers::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 34 std::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 43 void DIAEnumLineNumbers::reset() { Enumerator->Reset(); } 44