1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp
new file mode 100644
index 0000000000000..943e9e1b4d580
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumSourceFiles.cpp
@@ -0,0 +1,43 @@
+//==- DIAEnumSourceFiles.cpp - DIA Source File 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/DIAEnumSourceFiles.h"
+#include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
+#include "llvm/DebugInfo/PDB/PDBSymbol.h"
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+DIAEnumSourceFiles::DIAEnumSourceFiles(
+    const DIASession &PDBSession, CComPtr<IDiaEnumSourceFiles> DiaEnumerator)
+    : Session(PDBSession), Enumerator(DiaEnumerator) {}
+
+uint32_t DIAEnumSourceFiles::getChildCount() const {
+  LONG Count = 0;
+  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
+}
+
+std::unique_ptr<IPDBSourceFile>
+DIAEnumSourceFiles::getChildAtIndex(uint32_t Index) const {
+  CComPtr<IDiaSourceFile> Item;
+  if (S_OK != Enumerator->Item(Index, &Item))
+    return nullptr;
+
+  return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
+}
+
+std::unique_ptr<IPDBSourceFile> DIAEnumSourceFiles::getNext() {
+  CComPtr<IDiaSourceFile> Item;
+  ULONG NumFetched = 0;
+  if (S_OK != Enumerator->Next(1, &Item, &NumFetched))
+    return nullptr;
+
+  return std::unique_ptr<IPDBSourceFile>(new DIASourceFile(Session, Item));
+}
+
+void DIAEnumSourceFiles::reset() { Enumerator->Reset(); }