1 | //==- DIAEnumSymbols.cpp - DIA Symbol 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/DIAEnumSymbols.h" |
10 | #include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h" |
11 | #include "llvm/DebugInfo/PDB/DIA/DIASession.h" |
12 | #include "llvm/DebugInfo/PDB/PDBSymbol.h" |
13 | |
14 | using namespace llvm; |
15 | using namespace llvm::pdb; |
16 | |
17 | DIAEnumSymbols::DIAEnumSymbols(const DIASession &PDBSession, |
18 | CComPtr<IDiaEnumSymbols> DiaEnumerator) |
19 | : Session(PDBSession), Enumerator(DiaEnumerator) {} |
20 | |
21 | uint32_t DIAEnumSymbols::getChildCount() const { |
22 | LONG Count = 0; |
23 | return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0; |
24 | } |
25 | |
26 | std::unique_ptr<PDBSymbol> |
27 | DIAEnumSymbols::getChildAtIndex(uint32_t Index) const { |
28 | CComPtr<IDiaSymbol> Item; |
29 | if (S_OK != Enumerator->Item(Index, &Item)) |
30 | return nullptr; |
31 | |
32 | std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); |
33 | return std::unique_ptr<PDBSymbol>(PDBSymbol::create(Session, std::move(RawSymbol))); |
34 | } |
35 | |
36 | std::unique_ptr<PDBSymbol> DIAEnumSymbols::getNext() { |
37 | CComPtr<IDiaSymbol> Item; |
38 | ULONG NumFetched = 0; |
39 | if (S_OK != Enumerator->Next(1, &Item, &NumFetched)) |
40 | return nullptr; |
41 | |
42 | std::unique_ptr<DIARawSymbol> RawSymbol(new DIARawSymbol(Session, Item)); |
43 | return std::unique_ptr<PDBSymbol>( |
44 | PDBSymbol::create(Session, std::move(RawSymbol))); |
45 | } |
46 | |
47 | void DIAEnumSymbols::reset() { Enumerator->Reset(); } |
48 | |