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preparse-data-format.h
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27 
28 #ifndef V8_PREPARSE_DATA_FORMAT_H_
29 #define V8_PREPARSE_DATA_FORMAT_H_
30 
31 namespace v8 {
32 namespace internal {
33 
34 // Generic and general data used by preparse data recorders and readers.
35 
37  public:
38  // Layout and constants of the preparse data exchange format.
39  static const unsigned kMagicNumber = 0xBadDead;
40  static const unsigned kCurrentVersion = 7;
41 
42  static const int kMagicOffset = 0;
43  static const int kVersionOffset = 1;
44  static const int kHasErrorOffset = 2;
45  static const int kFunctionsSizeOffset = 3;
46  static const int kSymbolCountOffset = 4;
47  static const int kSizeOffset = 5;
48  static const int kHeaderSize = 6;
49 
50  // If encoding a message, the following positions are fixed.
51  static const int kMessageStartPos = 0;
52  static const int kMessageEndPos = 1;
53  static const int kMessageArgCountPos = 2;
54  static const int kMessageTextPos = 3;
55 
56  static const unsigned char kNumberTerminator = 0x80u;
57 };
58 
59 
60 } } // namespace v8::internal.
61 
62 #endif // V8_PREPARSE_DATA_FORMAT_H_
static const unsigned char kNumberTerminator