1*0b57cec5SDimitry Andric //==- DIAEnumLineNumbers.cpp - DIA Line Number Enumerator impl ---*- C++ -*-==// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h" 10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIALineNumber.h" 11*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/PDBSymbol.h" 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric using namespace llvm; 14*0b57cec5SDimitry Andric using namespace llvm::pdb; 15*0b57cec5SDimitry Andric DIAEnumLineNumbers(CComPtr<IDiaEnumLineNumbers> DiaEnumerator)16*0b57cec5SDimitry AndricDIAEnumLineNumbers::DIAEnumLineNumbers( 17*0b57cec5SDimitry Andric CComPtr<IDiaEnumLineNumbers> DiaEnumerator) 18*0b57cec5SDimitry Andric : Enumerator(DiaEnumerator) {} 19*0b57cec5SDimitry Andric getChildCount() const20*0b57cec5SDimitry Andricuint32_t DIAEnumLineNumbers::getChildCount() const { 21*0b57cec5SDimitry Andric LONG Count = 0; 22*0b57cec5SDimitry Andric return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 23*0b57cec5SDimitry Andric } 24*0b57cec5SDimitry Andric 25*0b57cec5SDimitry Andric std::unique_ptr<IPDBLineNumber> getChildAtIndex(uint32_t Index) const26*0b57cec5SDimitry AndricDIAEnumLineNumbers::getChildAtIndex(uint32_t Index) const { 27*0b57cec5SDimitry Andric CComPtr<IDiaLineNumber> Item; 28*0b57cec5SDimitry Andric if (S_OK != Enumerator->Item(Index, &Item)) 29*0b57cec5SDimitry Andric return nullptr; 30*0b57cec5SDimitry Andric 31*0b57cec5SDimitry Andric return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item)); 32*0b57cec5SDimitry Andric } 33*0b57cec5SDimitry Andric getNext()34*0b57cec5SDimitry Andricstd::unique_ptr<IPDBLineNumber> DIAEnumLineNumbers::getNext() { 35*0b57cec5SDimitry Andric CComPtr<IDiaLineNumber> Item; 36*0b57cec5SDimitry Andric ULONG NumFetched = 0; 37*0b57cec5SDimitry Andric if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 38*0b57cec5SDimitry Andric return nullptr; 39*0b57cec5SDimitry Andric 40*0b57cec5SDimitry Andric return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item)); 41*0b57cec5SDimitry Andric } 42*0b57cec5SDimitry Andric reset()43*0b57cec5SDimitry Andricvoid DIAEnumLineNumbers::reset() { Enumerator->Reset(); } 44