1 files changed, 72 insertions, 0 deletions
diff --git a/include/llvm/DebugInfo/PDB/Raw/TpiStream.h b/include/llvm/DebugInfo/PDB/Raw/TpiStream.h
new file mode 100644
index 0000000000000..4f36d70aabed3
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/Raw/TpiStream.h
@@ -0,0 +1,72 @@
+//===- TpiStream.cpp - PDB Type Info (TPI) Stream 2 Access ------*- 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_RAW_PDBTPISTREAM_H
+#define LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAM_H
+
+#include "llvm/DebugInfo/CodeView/StreamArray.h"
+#include "llvm/DebugInfo/CodeView/StreamRef.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
+#include "llvm/DebugInfo/PDB/Raw/MappedBlockStream.h"
+#include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
+#include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
+#include "llvm/Support/raw_ostream.h"
+
+#include "llvm/Support/Error.h"
+
+namespace llvm {
+namespace pdb {
+class PDBFile;
+
+class TpiStream {
+  struct HeaderInfo;
+
+public:
+  TpiStream(const PDBFile &File, std::unique_ptr<MappedBlockStream> Stream);
+  ~TpiStream();
+  Error reload();
+
+  PdbRaw_TpiVer getTpiVersion() const;
+
+  uint32_t TypeIndexBegin() const;
+  uint32_t TypeIndexEnd() const;
+  uint32_t NumTypeRecords() const;
+  uint16_t getTypeHashStreamIndex() const;
+  uint16_t getTypeHashStreamAuxIndex() const;
+
+  uint32_t getHashKeySize() const;
+  uint32_t NumHashBuckets() const;
+  codeview::FixedStreamArray<support::ulittle32_t> getHashValues() const;
+  codeview::FixedStreamArray<TypeIndexOffset> getTypeIndexOffsets() const;
+  codeview::FixedStreamArray<TypeIndexOffset> getHashAdjustments() const;
+
+  iterator_range<codeview::CVTypeArray::Iterator> types(bool *HadError) const;
+
+  Error commit();
+
+private:
+  Error verifyHashValues();
+
+  const PDBFile &Pdb;
+  std::unique_ptr<MappedBlockStream> Stream;
+
+  codeview::CVTypeArray TypeRecords;
+
+  std::unique_ptr<MappedBlockStream> HashStream;
+  codeview::FixedStreamArray<support::ulittle32_t> HashValues;
+  codeview::FixedStreamArray<TypeIndexOffset> TypeIndexOffsets;
+  codeview::FixedStreamArray<TypeIndexOffset> HashAdjustments;
+
+  const HeaderInfo *Header;
+};
+}
+}
+
+#endif