1*0b57cec5SDimitry Andric //==- DIAEnumFrameData.cpp ---------------------------------------*- 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/DIAEnumFrameData.h" 10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIAFrameData.h" 11*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIASession.h" 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric using namespace llvm::pdb; 14*0b57cec5SDimitry Andric DIAEnumFrameData(CComPtr<IDiaEnumFrameData> DiaEnumerator)15*0b57cec5SDimitry AndricDIAEnumFrameData::DIAEnumFrameData(CComPtr<IDiaEnumFrameData> DiaEnumerator) 16*0b57cec5SDimitry Andric : Enumerator(DiaEnumerator) {} 17*0b57cec5SDimitry Andric getChildCount() const18*0b57cec5SDimitry Andricuint32_t DIAEnumFrameData::getChildCount() const { 19*0b57cec5SDimitry Andric LONG Count = 0; 20*0b57cec5SDimitry Andric return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; 21*0b57cec5SDimitry Andric } 22*0b57cec5SDimitry Andric 23*0b57cec5SDimitry Andric std::unique_ptr<IPDBFrameData> getChildAtIndex(uint32_t Index) const24*0b57cec5SDimitry AndricDIAEnumFrameData::getChildAtIndex(uint32_t Index) const { 25*0b57cec5SDimitry Andric CComPtr<IDiaFrameData> Item; 26*0b57cec5SDimitry Andric if (S_OK != Enumerator->Item(Index, &Item)) 27*0b57cec5SDimitry Andric return nullptr; 28*0b57cec5SDimitry Andric 29*0b57cec5SDimitry Andric return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item)); 30*0b57cec5SDimitry Andric } 31*0b57cec5SDimitry Andric getNext()32*0b57cec5SDimitry Andricstd::unique_ptr<IPDBFrameData> DIAEnumFrameData::getNext() { 33*0b57cec5SDimitry Andric CComPtr<IDiaFrameData> Item; 34*0b57cec5SDimitry Andric ULONG NumFetched = 0; 35*0b57cec5SDimitry Andric if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) 36*0b57cec5SDimitry Andric return nullptr; 37*0b57cec5SDimitry Andric 38*0b57cec5SDimitry Andric return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item)); 39*0b57cec5SDimitry Andric } 40*0b57cec5SDimitry Andric reset()41*0b57cec5SDimitry Andricvoid DIAEnumFrameData::reset() { Enumerator->Reset(); } 42