1*0b57cec5SDimitry Andric //===- DIAEnumTables.cpp - DIA Table 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/DIAEnumTables.h" 10*0b57cec5SDimitry Andric #include "llvm/DebugInfo/PDB/DIA/DIATable.h" 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric using namespace llvm; 13*0b57cec5SDimitry Andric using namespace llvm::pdb; 14*0b57cec5SDimitry Andric DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator)15*0b57cec5SDimitry AndricDIAEnumTables::DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator) 16*0b57cec5SDimitry Andric : Enumerator(DiaEnumerator) {} 17*0b57cec5SDimitry Andric getChildCount() const18*0b57cec5SDimitry Andricuint32_t DIAEnumTables::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<IPDBTable> getChildAtIndex(uint32_t Index) const24*0b57cec5SDimitry AndricDIAEnumTables::getChildAtIndex(uint32_t Index) const { 25*0b57cec5SDimitry Andric CComPtr<IDiaTable> Item; 26*0b57cec5SDimitry Andric VARIANT Var; 27*0b57cec5SDimitry Andric Var.vt = VT_UINT; 28*0b57cec5SDimitry Andric Var.uintVal = Index; 29*0b57cec5SDimitry Andric if (S_OK != Enumerator->Item(Var, &Item)) 30*0b57cec5SDimitry Andric return nullptr; 31*0b57cec5SDimitry Andric 32*0b57cec5SDimitry Andric return std::unique_ptr<IPDBTable>(new DIATable(Item)); 33*0b57cec5SDimitry Andric } 34*0b57cec5SDimitry Andric getNext()35*0b57cec5SDimitry Andricstd::unique_ptr<IPDBTable> DIAEnumTables::getNext() { 36*0b57cec5SDimitry Andric CComPtr<IDiaTable> Item; 37*0b57cec5SDimitry Andric ULONG CeltFetched = 0; 38*0b57cec5SDimitry Andric if (S_OK != Enumerator->Next(1, &Item, &CeltFetched)) 39*0b57cec5SDimitry Andric return nullptr; 40*0b57cec5SDimitry Andric 41*0b57cec5SDimitry Andric return std::unique_ptr<IPDBTable>(new DIATable(Item)); 42*0b57cec5SDimitry Andric } 43*0b57cec5SDimitry Andric reset()44*0b57cec5SDimitry Andricvoid DIAEnumTables::reset() { Enumerator->Reset(); } 45