LLVM 20.0.0git
DIAEnumTables.cpp
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1//===- DIAEnumTables.cpp - DIA Table Enumerator Impl ------------*- 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
11
12using namespace llvm;
13using namespace llvm::pdb;
14
15DIAEnumTables::DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator)
16 : Enumerator(DiaEnumerator) {}
17
19 LONG Count = 0;
20 return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
21}
22
23std::unique_ptr<IPDBTable>
25 CComPtr<IDiaTable> Item;
26 VARIANT Var;
27 Var.vt = VT_UINT;
28 Var.uintVal = Index;
29 if (S_OK != Enumerator->Item(Var, &Item))
30 return nullptr;
31
32 return std::unique_ptr<IPDBTable>(new DIATable(Item));
33}
34
35std::unique_ptr<IPDBTable> DIAEnumTables::getNext() {
36 CComPtr<IDiaTable> Item;
37 ULONG CeltFetched = 0;
38 if (S_OK != Enumerator->Next(1, &Item, &CeltFetched))
39 return nullptr;
40
41 return std::unique_ptr<IPDBTable>(new DIATable(Item));
42}
43
44void DIAEnumTables::reset() { Enumerator->Reset(); }
uint32_t getChildCount() const override
std::unique_ptr< IPDBTable > getChildAtIndex(uint32_t Index) const override
std::unique_ptr< IPDBTable > getNext() override
DIAEnumTables(CComPtr< IDiaEnumTables > DiaEnumerator)
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18