1 files changed, 62 insertions, 0 deletions
diff --git a/include/llvm/DebugInfo/PDB/Native/ModStream.h b/include/llvm/DebugInfo/PDB/Native/ModStream.h
new file mode 100644
index 000000000000..d65e195dbb95
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/Native/ModStream.h
@@ -0,0 +1,62 @@
+//===- ModStream.h - PDB Module Info Stream Access ------------------------===//
+//
+//                     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_RAW_MODSTREAM_H
+#define LLVM_DEBUGINFO_PDB_RAW_MODSTREAM_H
+
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
+#include "llvm/DebugInfo/CodeView/ModuleSubstream.h"
+#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/Support/BinaryStreamArray.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Error.h"
+
+namespace llvm {
+namespace pdb {
+class PDBFile;
+class ModInfo;
+
+class ModStream {
+public:
+  ModStream(const ModInfo &Module,
+            std::unique_ptr<msf::MappedBlockStream> Stream);
+  ~ModStream();
+
+  Error reload();
+
+  uint32_t signature() const { return Signature; }
+
+  iterator_range<codeview::CVSymbolArray::Iterator>
+  symbols(bool *HadError) const;
+
+  iterator_range<codeview::ModuleSubstreamArray::Iterator>
+  lines(bool *HadError) const;
+
+  Error commit();
+
+private:
+  const ModInfo &Mod;
+
+  uint32_t Signature;
+
+  std::unique_ptr<msf::MappedBlockStream> Stream;
+
+  codeview::CVSymbolArray SymbolsSubstream;
+  BinaryStreamRef LinesSubstream;
+  BinaryStreamRef C13LinesSubstream;
+  BinaryStreamRef GlobalRefsSubstream;
+
+  codeview::ModuleSubstreamArray LineInfo;
+};
+}
+}
+
+#endif