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 13 using namespace llvm::pdb; 14 15 DIAEnumFrameData::DIAEnumFrameData(CComPtr<IDiaEnumFrameData> DiaEnumerator) 16 : Enumerator(DiaEnumerator) {} 17 18 uint32_t DIAEnumFrameData::getChildCount() const { 19 LONG Count = 0; 20 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 21 } 22 23 std::unique_ptr<IPDBFrameData> 24 DIAEnumFrameData::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 32 std::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 41 void DIAEnumFrameData::reset() { Enumerator->Reset(); } 42