1 files changed, 37 insertions, 0 deletions
diff --git a/include/llvm/DebugInfo/PDB/IPDBDataStream.h b/include/llvm/DebugInfo/PDB/IPDBDataStream.h
new file mode 100644
index 0000000..808a0f3
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/IPDBDataStream.h
@@ -0,0 +1,37 @@
+//===- IPDBDataStream.h - base interface for child enumerator -*- C++ ---*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_PDB_IPDBDATASTREAM_H
+#define LLVM_DEBUGINFO_PDB_IPDBDATASTREAM_H
+
+#include "PDBTypes.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallVector.h"
+
+namespace llvm {
+
+/// IPDBDataStream defines an interface used to represent a stream consisting
+/// of a name and a series of records whose formats depend on the particular
+/// stream type.
+class IPDBDataStream {
+public:
+  typedef llvm::SmallVector<uint8_t, 32> RecordType;
+
+  virtual ~IPDBDataStream();
+
+  virtual uint32_t getRecordCount() const = 0;
+  virtual std::string getName() const = 0;
+  virtual llvm::Optional<RecordType> getItemAtIndex(uint32_t Index) const = 0;
+  virtual bool getNext(RecordType &Record) = 0;
+  virtual void reset() = 0;
+  virtual IPDBDataStream *clone() const = 0;
+};
+}
+
+#endif