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1 //===- ExplainOutputStyle.h ----------------------------------- *- C++ --*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_TOOLS_LLVMPDBDUMP_EXPLAINOUTPUTSTYLE_H
11 #define LLVM_TOOLS_LLVMPDBDUMP_EXPLAINOUTPUTSTYLE_H
12 
13 #include "LinePrinter.h"
14 #include "OutputStyle.h"
15 
16 #include <string>
17 
18 namespace llvm {
19 
20 namespace pdb {
21 
22 class DbiStream;
23 class InfoStream;
24 class InputFile;
25 
26 class ExplainOutputStyle : public OutputStyle {
27 
28 public:
29   ExplainOutputStyle(InputFile &File, uint64_t FileOffset);
30 
31   Error dump() override;
32 
33 private:
34   Error explainPdbFile();
35   Error explainBinaryFile();
36 
37   bool explainPdbBlockStatus();
38 
39   bool isPdbFpm1() const;
40   bool isPdbFpm2() const;
41 
42   bool isPdbSuperBlock() const;
43   bool isPdbFpmBlock() const;
44   bool isPdbBlockMapBlock() const;
45   bool isPdbStreamDirectoryBlock() const;
46   Optional<uint32_t> getPdbBlockStreamIndex() const;
47 
48   void explainPdbSuperBlockOffset();
49   void explainPdbFpmBlockOffset();
50   void explainPdbBlockMapOffset();
51   void explainPdbStreamDirectoryOffset();
52   void explainPdbStreamOffset(uint32_t Stream);
53   void explainPdbUnknownBlock();
54 
55   void explainStreamOffset(DbiStream &Stream, uint32_t OffsetInStream);
56   void explainStreamOffset(InfoStream &Stream, uint32_t OffsetInStream);
57 
58   uint32_t pdbBlockIndex() const;
59   uint32_t pdbBlockOffset() const;
60 
61   InputFile &File;
62   const uint64_t FileOffset;
63   LinePrinter P;
64 };
65 } // namespace pdb
66 } // namespace llvm
67 
68 #endif
69