LLVM  14.0.0git
DIAEnumDebugStreams.cpp
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1 //==- DIAEnumDebugStreams.cpp - DIA Debug Stream 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 
12 
13 using namespace llvm;
14 using namespace llvm::pdb;
15 
17  CComPtr<IDiaEnumDebugStreams> DiaEnumerator)
18  : Enumerator(DiaEnumerator) {}
19 
21  LONG Count = 0;
22  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
23 }
24 
25 std::unique_ptr<IPDBDataStream>
27  CComPtr<IDiaEnumDebugStreamData> Item;
28  VARIANT VarIndex;
29  VarIndex.vt = VT_I4;
30  VarIndex.lVal = Index;
31  if (S_OK != Enumerator->Item(VarIndex, &Item))
32  return nullptr;
33 
34  return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item));
35 }
36 
37 std::unique_ptr<IPDBDataStream> DIAEnumDebugStreams::getNext() {
38  CComPtr<IDiaEnumDebugStreamData> Item;
39  ULONG NumFetched = 0;
40  if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
41  return nullptr;
42 
43  return std::unique_ptr<IPDBDataStream>(new DIADataStream(Item));
44 }
45 
46 void DIAEnumDebugStreams::reset() { Enumerator->Reset(); }
llvm::pdb::DIAEnumDebugStreams::getNext
ChildTypePtr getNext() override
Definition: DIAEnumDebugStreams.cpp:37
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::pdb::DIADataStream
Definition: DIADataStream.h:17
DIADataStream.h
llvm::pdb::DIAEnumDebugStreams::DIAEnumDebugStreams
DIAEnumDebugStreams(CComPtr< IDiaEnumDebugStreams > DiaEnumerator)
Definition: DIAEnumDebugStreams.cpp:16
llvm::HighlightColor::Enumerator
@ Enumerator
PDBSymbol.h
llvm::pdb
Definition: ConcreteSymbolEnumerator.h:20
Index
uint32_t Index
Definition: ELFObjHandler.cpp:84
llvm::pdb::DIAEnumDebugStreams::getChildCount
uint32_t getChildCount() const override
Definition: DIAEnumDebugStreams.cpp:20
llvm::pdb::DIAEnumDebugStreams::getChildAtIndex
ChildTypePtr getChildAtIndex(uint32_t Index) const override
Definition: DIAEnumDebugStreams.cpp:26
uint32_t
llvm::pdb::DIAEnumDebugStreams::reset
void reset() override
Definition: DIAEnumDebugStreams.cpp:46
DIAEnumDebugStreams.h