1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp
new file mode 100644
index 0000000000000..6f1d7733fb2de
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumLineNumbers.cpp
@@ -0,0 +1,43 @@
+//==- DIAEnumLineNumbers.cpp - DIA Line Number Enumerator impl ---*- C++ -*-==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h"
+#include "llvm/DebugInfo/PDB/DIA/DIALineNumber.h"
+#include "llvm/DebugInfo/PDB/PDBSymbol.h"
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+DIAEnumLineNumbers::DIAEnumLineNumbers(
+    CComPtr<IDiaEnumLineNumbers> DiaEnumerator)
+    : Enumerator(DiaEnumerator) {}
+
+uint32_t DIAEnumLineNumbers::getChildCount() const {
+  LONG Count = 0;
+  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
+}
+
+std::unique_ptr<IPDBLineNumber>
+DIAEnumLineNumbers::getChildAtIndex(uint32_t Index) const {
+  CComPtr<IDiaLineNumber> Item;
+  if (S_OK != Enumerator->Item(Index, &Item))
+    return nullptr;
+
+  return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item));
+}
+
+std::unique_ptr<IPDBLineNumber> DIAEnumLineNumbers::getNext() {
+  CComPtr<IDiaLineNumber> Item;
+  ULONG NumFetched = 0;
+  if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
+    return nullptr;
+
+  return std::unique_ptr<IPDBLineNumber>(new DIALineNumber(Item));
+}
+
+void DIAEnumLineNumbers::reset() { Enumerator->Reset(); }