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 | |
9 | #include "llvm/DebugInfo/PDB/DIA/DIAEnumTables.h" |
10 | #include "llvm/DebugInfo/PDB/DIA/DIATable.h" |
11 | |
12 | using namespace llvm; |
13 | using namespace llvm::pdb; |
14 | |
15 | DIAEnumTables::DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator) |
16 | : Enumerator(DiaEnumerator) {} |
17 | |
18 | uint32_t DIAEnumTables::getChildCount() const { |
19 | LONG Count = 0; |
20 | return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; |
21 | } |
22 | |
23 | std::unique_ptr<IPDBTable> |
24 | DIAEnumTables::getChildAtIndex(uint32_t Index) const { |
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 | |
35 | std::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 | |
44 | void DIAEnumTables::reset() { Enumerator->Reset(); } |
45 | |