1 files changed, 67 insertions, 0 deletions
diff --git a/llvm/tools/llvm-pdbutil/ExplainOutputStyle.h b/llvm/tools/llvm-pdbutil/ExplainOutputStyle.h
new file mode 100644
index 000000000000..f405cf615e92
--- /dev/null
+++ b/llvm/tools/llvm-pdbutil/ExplainOutputStyle.h
@@ -0,0 +1,67 @@
+//===- ExplainOutputStyle.h ----------------------------------- *- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVMPDBDUMP_EXPLAINOUTPUTSTYLE_H
+#define LLVM_TOOLS_LLVMPDBDUMP_EXPLAINOUTPUTSTYLE_H
+
+#include "LinePrinter.h"
+#include "OutputStyle.h"
+
+#include <string>
+
+namespace llvm {
+
+namespace pdb {
+
+class DbiStream;
+class InfoStream;
+class InputFile;
+
+class ExplainOutputStyle : public OutputStyle {
+
+public:
+  ExplainOutputStyle(InputFile &File, uint64_t FileOffset);
+
+  Error dump() override;
+
+private:
+  Error explainPdbFile();
+  Error explainBinaryFile();
+
+  bool explainPdbBlockStatus();
+
+  bool isPdbFpm1() const;
+  bool isPdbFpm2() const;
+
+  bool isPdbSuperBlock() const;
+  bool isPdbFpmBlock() const;
+  bool isPdbBlockMapBlock() const;
+  bool isPdbStreamDirectoryBlock() const;
+  Optional<uint32_t> getPdbBlockStreamIndex() const;
+
+  void explainPdbSuperBlockOffset();
+  void explainPdbFpmBlockOffset();
+  void explainPdbBlockMapOffset();
+  void explainPdbStreamDirectoryOffset();
+  void explainPdbStreamOffset(uint32_t Stream);
+  void explainPdbUnknownBlock();
+
+  void explainStreamOffset(DbiStream &Stream, uint32_t OffsetInStream);
+  void explainStreamOffset(InfoStream &Stream, uint32_t OffsetInStream);
+
+  uint32_t pdbBlockIndex() const;
+  uint32_t pdbBlockOffset() const;
+
+  InputFile &File;
+  const uint64_t FileOffset;
+  LinePrinter P;
+};
+} // namespace pdb
+} // namespace llvm
+
+#endif