| // Copyright 2010 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef V8_PREPARSE_DATA_FORMAT_H_ |
| #define V8_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 = 6; |
| |
| static const int kMagicOffset = 0; |
| static const int kVersionOffset = 1; |
| static const int kHasErrorOffset = 2; |
| static const int kFunctionsSizeOffset = 3; |
| static const int kSymbolCountOffset = 4; |
| static const int kSizeOffset = 5; |
| static const int kHeaderSize = 6; |
| |
| // If encoding a message, the following positions are fixed. |
| static const int kMessageStartPos = 0; |
| static const int kMessageEndPos = 1; |
| static const int kMessageArgCountPos = 2; |
| static const int kMessageTextPos = 3; |
| |
| static const unsigned char kNumberTerminator = 0x80u; |
| }; |
| |
| |
| } } // namespace v8::internal. |
| |
| #endif // V8_PREPARSE_DATA_FORMAT_H_ |