1 files changed, 44 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp
new file mode 100644
index 0000000000000..335b575d65423
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/DIA/DIAEnumTables.cpp
@@ -0,0 +1,44 @@
+//===- DIAEnumTables.cpp - DIA Table 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/DIAEnumTables.h"
+#include "llvm/DebugInfo/PDB/DIA/DIATable.h"
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+DIAEnumTables::DIAEnumTables(CComPtr<IDiaEnumTables> DiaEnumerator)
+    : Enumerator(DiaEnumerator) {}
+
+uint32_t DIAEnumTables::getChildCount() const {
+  LONG Count = 0;
+  return (S_OK == Enumerator->get_Count(&Count)) ? Count : 0;
+}
+
+std::unique_ptr<IPDBTable>
+DIAEnumTables::getChildAtIndex(uint32_t Index) const {
+  CComPtr<IDiaTable> Item;
+  VARIANT Var;
+  Var.vt = VT_UINT;
+  Var.uintVal = Index;
+  if (S_OK != Enumerator->Item(Var, &Item))
+    return nullptr;
+
+  return std::unique_ptr<IPDBTable>(new DIATable(Item));
+}
+
+std::unique_ptr<IPDBTable> DIAEnumTables::getNext() {
+  CComPtr<IDiaTable> Item;
+  ULONG CeltFetched = 0;
+  if (S_OK != Enumerator->Next(1, &Item, &CeltFetched))
+    return nullptr;
+
+  return std::unique_ptr<IPDBTable>(new DIATable(Item));
+}
+
+void DIAEnumTables::reset() { Enumerator->Reset(); }