1//==- DIAEnumFrameData.cpp ---------------------------------------*- 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/DIAEnumFrameData.h" 10#include "llvm/DebugInfo/PDB/DIA/DIAFrameData.h" 11#include "llvm/DebugInfo/PDB/DIA/DIASession.h" 12 13using namespace llvm::pdb; 14 15DIAEnumFrameData::DIAEnumFrameData(CComPtr<IDiaEnumFrameData> DiaEnumerator) 16 : Enumerator(DiaEnumerator) {} 17 18uint32_t DIAEnumFrameData::getChildCount() const { 19 LONG Count = 0; 20 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 21} 22 23std::unique_ptr<IPDBFrameData> 24DIAEnumFrameData::getChildAtIndex(uint32_t Index) const { 25 CComPtr<IDiaFrameData> Item; 26 if (S_OK != Enumerator->Item(Index, &Item)) 27 return nullptr; 28 29 return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item)); 30} 31 32std::unique_ptr<IPDBFrameData> DIAEnumFrameData::getNext() { 33 CComPtr<IDiaFrameData> Item; 34 ULONG NumFetched = 0; 35 if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 36 return nullptr; 37 38 return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item)); 39} 40 41void DIAEnumFrameData::reset() { Enumerator->Reset(); } 42