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      1 //==- DIAEnumFrameData.cpp ---------------------------------------*- 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/DIAEnumFrameData.h"
     10 #include "llvm/DebugInfo/PDB/DIA/DIAFrameData.h"
     11 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
     12 
     13 using namespace llvm::pdb;
     14 
     15 DIAEnumFrameData::DIAEnumFrameData(CComPtr<IDiaEnumFrameData> DiaEnumerator)
     16     : Enumerator(DiaEnumerator) {}
     17 
     18 uint32_t DIAEnumFrameData::getChildCount() const {
     19   LONG Count = 0;
     20   return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
     21 }
     22 
     23 std::unique_ptr<IPDBFrameData>
     24 DIAEnumFrameData::getChildAtIndex(uint32_t Index) const {
     25   CComPtr<IDiaFrameData> Item;
     26   if (S_OK != Enumerator->Item(Index, &Item))
     27     return nullptr;
     28 
     29   return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item));
     30 }
     31 
     32 std::unique_ptr<IPDBFrameData> DIAEnumFrameData::getNext() {
     33   CComPtr<IDiaFrameData> Item;
     34   ULONG NumFetched = 0;
     35   if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
     36     return nullptr;
     37 
     38   return std::unique_ptr<IPDBFrameData>(new DIAFrameData(Item));
     39 }
     40 
     41 void DIAEnumFrameData::reset() { Enumerator->Reset(); }
     42