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//===- DIAEnumTables.cpp - DIA Table Enumerator Impl ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/DIA/DIAEnumTables.h"
#include "llvm/DebugInfo/PDB/DIA/DIATable.h"
using namespace llvm;
using namespace llvm::pdb;
DIAEnumTables::DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator)
: Enumerator(DiaEnumerator) {}
uint32_t DIAEnumTables::getChildCount() const {
LONG Count = 0;
return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
}
std::unique_ptr<IPDBTable>
DIAEnumTables::getChildAtIndex(uint32_t Index) const {
CComPtr<IDiaTable> Item;
VARIANT Var;
Var.vt = VT_UINT;
Var.uintVal = Index;
if (S_OK != Enumerator->Item(Var, &Item))
return nullptr;
return std::unique_ptr<IPDBTable>(new DIATable(Item));
}
std::unique_ptr<IPDBTable> DIAEnumTables::getNext() {
CComPtr<IDiaTable> Item;
ULONG CeltFetched = 0;
if (S_OK != Enumerator->Next(1, &Item, &CeltFetched))
return nullptr;
return std::unique_ptr<IPDBTable>(new DIATable(Item));
}
void DIAEnumTables::reset() { Enumerator->Reset(); }
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