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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 // Generic and general data used by preparse data recorders and readers. | 36 // Generic and general data used by preparse data recorders and readers. |
37 | 37 |
38 class PreparseDataConstants : public AllStatic { | 38 class PreparseDataConstants : public AllStatic { |
39 public: | 39 public: |
40 // Layout and constants of the preparse data exchange format. | 40 // Layout and constants of the preparse data exchange format. |
41 static const unsigned kMagicNumber = 0xBadDead; | 41 static const unsigned kMagicNumber = 0xBadDead; |
42 static const unsigned kCurrentVersion = 5; | 42 static const unsigned kCurrentVersion = 6; |
43 | 43 |
44 static const int kMagicOffset = 0; | 44 static const int kMagicOffset = 0; |
45 static const int kVersionOffset = 1; | 45 static const int kVersionOffset = 1; |
46 static const int kHasErrorOffset = 2; | 46 static const int kHasErrorOffset = 2; |
47 static const int kFunctionsSizeOffset = 3; | 47 static const int kFunctionsSizeOffset = 3; |
48 static const int kSymbolCountOffset = 4; | 48 static const int kSymbolCountOffset = 4; |
49 static const int kSizeOffset = 5; | 49 static const int kSizeOffset = 5; |
50 static const int kHeaderSize = 6; | 50 static const int kHeaderSize = 6; |
51 | 51 |
52 // If encoding a message, the following positions are fixed. | 52 // If encoding a message, the following positions are fixed. |
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240 Collector<byte> symbol_store_; | 240 Collector<byte> symbol_store_; |
241 Collector<Key> symbol_keys_; | 241 Collector<Key> symbol_keys_; |
242 HashMap symbol_table_; | 242 HashMap symbol_table_; |
243 int symbol_id_; | 243 int symbol_id_; |
244 }; | 244 }; |
245 | 245 |
246 | 246 |
247 } } // namespace v8::internal. | 247 } } // namespace v8::internal. |
248 | 248 |
249 #endif // V8_PREPARSER_DATA_H_ | 249 #endif // V8_PREPARSER_DATA_H_ |
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