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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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31 namespace v8 { | 31 namespace v8 { |
32 namespace internal { | 32 namespace internal { |
33 | 33 |
34 class Snapshot { | 34 class Snapshot { |
35 public: | 35 public: |
36 // Initialize the VM from the given snapshot file. If snapshot_file is | 36 // Initialize the VM from the given snapshot file. If snapshot_file is |
37 // NULL, use the internal snapshot instead. Returns false if no snapshot | 37 // NULL, use the internal snapshot instead. Returns false if no snapshot |
38 // could be found. | 38 // could be found. |
39 static bool Initialize(const char* snapshot_file = NULL); | 39 static bool Initialize(const char* snapshot_file = NULL); |
40 | 40 |
| 41 // Create a new context using the internal partial snapshot. |
| 42 static Handle<Context> NewContextFromSnapshot(); |
| 43 |
41 // Returns whether or not the snapshot is enabled. | 44 // Returns whether or not the snapshot is enabled. |
42 static bool IsEnabled() { return size_ != 0; } | 45 static bool IsEnabled() { return size_ != 0; } |
43 | 46 |
44 // Write snapshot to the given file. Returns true if snapshot was written | 47 // Write snapshot to the given file. Returns true if snapshot was written |
45 // successfully. | 48 // successfully. |
46 static bool WriteToFile(const char* snapshot_file); | 49 static bool WriteToFile(const char* snapshot_file); |
47 | 50 |
48 private: | 51 private: |
49 static const byte data_[]; | 52 static const byte data_[]; |
50 static int size_; | 53 static const byte context_data_[]; |
| 54 static const int new_space_used_; |
| 55 static const int pointer_space_used_; |
| 56 static const int data_space_used_; |
| 57 static const int code_space_used_; |
| 58 static const int map_space_used_; |
| 59 static const int cell_space_used_; |
| 60 static const int large_space_used_; |
| 61 static const int size_; |
| 62 static const int context_size_; |
51 | 63 |
52 static bool Deserialize(const byte* content, int len); | 64 static bool Deserialize(const byte* content, int len); |
53 | 65 |
54 DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot); | 66 DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot); |
55 }; | 67 }; |
56 | 68 |
57 } } // namespace v8::internal | 69 } } // namespace v8::internal |
58 | 70 |
59 #endif // V8_SNAPSHOT_H_ | 71 #endif // V8_SNAPSHOT_H_ |
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