|  | // Copyright 2011 the V8 project authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef V8_PARSING_PREPARSE_DATA_FORMAT_H_ | 
|  | #define V8_PARSING_PREPARSE_DATA_FORMAT_H_ | 
|  |  | 
|  | namespace v8 { | 
|  | namespace internal { | 
|  |  | 
|  | // Generic and general data used by preparse data recorders and readers. | 
|  |  | 
|  | struct PreparseDataConstants { | 
|  | public: | 
|  | // Layout and constants of the preparse data exchange format. | 
|  | static const unsigned kMagicNumber = 0xBadDead; | 
|  | static const unsigned kCurrentVersion = 14; | 
|  |  | 
|  | static const int kMagicOffset = 0; | 
|  | static const int kVersionOffset = 1; | 
|  | static const int kFunctionsSizeOffset = 2; | 
|  | static const int kSizeOffset = 3; | 
|  | static const int kHeaderSize = 4; | 
|  |  | 
|  | static const unsigned char kNumberTerminator = 0x80u; | 
|  | }; | 
|  |  | 
|  |  | 
|  | }  // namespace internal | 
|  | }  // namespace v8. | 
|  |  | 
|  | #endif  // V8_PARSING_PREPARSE_DATA_FORMAT_H_ |