1 //===- PrettyClassLayoutGraphicalDumper.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_PRETTYCLASSLAYOUTGRAPHICALDUMPER_H
11 #define LLVM_TOOLS_LLVMPDBDUMP_PRETTYCLASSLAYOUTGRAPHICALDUMPER_H
12 
13 #include "llvm/ADT/BitVector.h"
14 
15 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
16 
17 namespace llvm {
18 
19 namespace pdb {
20 
21 class UDTLayoutBase;
22 class LayoutItemBase;
23 class LinePrinter;
24 
25 class PrettyClassLayoutGraphicalDumper : public PDBSymDumper {
26 public:
27   PrettyClassLayoutGraphicalDumper(LinePrinter &P, uint32_t RecurseLevel,
28                                    uint32_t InitialOffset);
29 
30   bool start(const UDTLayoutBase &Layout);
31 
32   // Layout based symbol types.
33   void dump(const PDBSymbolTypeBaseClass &Symbol) override;
34   void dump(const PDBSymbolData &Symbol) override;
35   void dump(const PDBSymbolTypeVTable &Symbol) override;
36 
37   // Non layout-based symbol types.
38   void dump(const PDBSymbolTypeEnum &Symbol) override;
39   void dump(const PDBSymbolFunc &Symbol) override;
40   void dump(const PDBSymbolTypeTypedef &Symbol) override;
41   void dump(const PDBSymbolTypeUDT &Symbol) override;
42   void dump(const PDBSymbolTypeBuiltin &Symbol) override;
43 
44 private:
45   bool shouldRecurse() const;
46   void printPaddingRow(uint32_t Amount);
47 
48   LinePrinter &Printer;
49 
50   LayoutItemBase *CurrentItem = nullptr;
51   uint32_t RecursionLevel = 0;
52   uint32_t ClassOffsetZero = 0;
53   uint32_t CurrentAbsoluteOffset = 0;
54   bool DumpedAnything = false;
55 };
56 }
57 }
58 #endif
59