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// 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_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 = 10;
static const int kMagicOffset = 0;
static const int kVersionOffset = 1;
static const int kHasErrorOffset = 2;
static const int kFunctionsSizeOffset = 3;
static const int kSizeOffset = 4;
static const int kHeaderSize = 5;
// 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 kIsReferenceErrorPos = 3;
static const int kMessageTextPos = 4;
static const unsigned char kNumberTerminator = 0x80u;
};
} } // namespace v8::internal.
#endif // V8_PREPARSE_DATA_FORMAT_H_
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