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ager@chromium.org9258b6b2008-09-11 09:11:10 +00001// Copyright 2006-2008 the V8 project authors. All rights reserved.
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +00002// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
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27
28#ifndef V8_SNAPSHOT_H_
29#define V8_SNAPSHOT_H_
30
31namespace v8 { namespace internal {
32
33class Snapshot {
34 public:
35 // Initialize the VM from the given snapshot file. If snapshot_file is
36 // NULL, use the internal snapshot instead. Returns false if no snapshot
37 // could be found.
38 static bool Initialize(const char* snapshot_file = NULL);
39
ager@chromium.org9258b6b2008-09-11 09:11:10 +000040 // Returns whether or not the snapshot is enabled.
41 static bool IsEnabled() { return size_ != 0; }
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +000042
43 // Write snapshot to the given file. Returns true if snapshot was written
44 // successfully.
45 static bool WriteToFile(const char* snapshot_file);
46
47 private:
kasper.lund44510672008-07-25 07:37:58 +000048 static const char data_[];
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +000049 static int size_;
50
kasper.lund44510672008-07-25 07:37:58 +000051 static bool Deserialize(const char* content, int len);
christian.plesner.hansen43d26ec2008-07-03 15:10:15 +000052
53 DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);
54};
55
56} } // namespace v8::internal
57
58#endif // V8_SNAPSHOT_H_