src/snapshot.h - Issue 6901090: Add support for startup data (snapshot) compression.

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Issue 6901090: Add support for startup data (snapshot) compression. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: The version I'll commit Created 9 years, 7 months ago

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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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43 // Create a new context using the internal partial snapshot.	43 // Create a new context using the internal partial snapshot.

44 static Handle<Context> NewContextFromSnapshot();	44 static Handle<Context> NewContextFromSnapshot();

45	45

46 // Returns whether or not the snapshot is enabled.	46 // Returns whether or not the snapshot is enabled.

47 static bool IsEnabled() { return size_ != 0; }	47 static bool IsEnabled() { return size_ != 0; }

48	48

49 // Write snapshot to the given file. Returns true if snapshot was written	49 // Write snapshot to the given file. Returns true if snapshot was written

50 // successfully.	50 // successfully.

51 static bool WriteToFile(const char* snapshot_file);	51 static bool WriteToFile(const char* snapshot_file);

52	52

	53 static const byte* data() { return data_; }

	54 static int size() { return size_; }

	55 static int raw_size() { return raw_size_; }

	56 static void set_raw_data(const byte* raw_data) {

	57 raw_data_ = raw_data;

	58 }

	59 static const byte* context_data() { return context_data_; }

	60 static int context_size() { return context_size_; }

	61 static int context_raw_size() { return context_raw_size_; }

	62 static void set_context_raw_data(

	63 const byte* context_raw_data) {

	64 context_raw_data_ = context_raw_data;

	65 }

	66

53 private:	67 private:

54 static const byte data_[];	68 static const byte data_[];

	69 static const byte* raw_data_;

55 static const byte context_data_[];	70 static const byte context_data_[];

	71 static const byte* context_raw_data_;

56 static const int new_space_used_;	72 static const int new_space_used_;

57 static const int pointer_space_used_;	73 static const int pointer_space_used_;

58 static const int data_space_used_;	74 static const int data_space_used_;

59 static const int code_space_used_;	75 static const int code_space_used_;

60 static const int map_space_used_;	76 static const int map_space_used_;

61 static const int cell_space_used_;	77 static const int cell_space_used_;

62 static const int large_space_used_;	78 static const int large_space_used_;

63 static const int size_;	79 static const int size_;

	80 static const int raw_size_;

64 static const int context_size_;	81 static const int context_size_;

	82 static const int context_raw_size_;

65	83

66 static bool Deserialize(const byte* content, int len);	84 static bool Deserialize(const byte* content, int len);

67	85

68 DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);	86 DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot);

69 };	87 };

70	88

71 } } // namespace v8::internal	89 } } // namespace v8::internal

72	90

73 #endif // V8_SNAPSHOT_H_	91 #endif // V8_SNAPSHOT_H_

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