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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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2634 | 2634 |
2635 Isolate(); | 2635 Isolate(); |
2636 Isolate(const Isolate&); | 2636 Isolate(const Isolate&); |
2637 ~Isolate(); | 2637 ~Isolate(); |
2638 Isolate& operator=(const Isolate&); | 2638 Isolate& operator=(const Isolate&); |
2639 void* operator new(size_t size); | 2639 void* operator new(size_t size); |
2640 void operator delete(void*, size_t); | 2640 void operator delete(void*, size_t); |
2641 }; | 2641 }; |
2642 | 2642 |
2643 | 2643 |
| 2644 class StartupData { |
| 2645 public: |
| 2646 enum CompressionAlgorithm { |
| 2647 kUncompressed, |
| 2648 kBZip2 |
| 2649 }; |
| 2650 |
| 2651 const char* data; |
| 2652 int compressed_size; |
| 2653 int raw_size; |
| 2654 }; |
| 2655 |
2644 /** | 2656 /** |
2645 * Container class for static utility functions. | 2657 * Container class for static utility functions. |
2646 */ | 2658 */ |
2647 class V8EXPORT V8 { | 2659 class V8EXPORT V8 { |
2648 public: | 2660 public: |
2649 /** Set the callback to invoke in case of fatal errors. */ | 2661 /** Set the callback to invoke in case of fatal errors. */ |
2650 static void SetFatalErrorHandler(FatalErrorCallback that); | 2662 static void SetFatalErrorHandler(FatalErrorCallback that); |
2651 | 2663 |
2652 /** | 2664 /** |
2653 * Ignore out-of-memory exceptions. | 2665 * Ignore out-of-memory exceptions. |
2654 * | 2666 * |
2655 * V8 running out of memory is treated as a fatal error by default. | 2667 * V8 running out of memory is treated as a fatal error by default. |
2656 * This means that the fatal error handler is called and that V8 is | 2668 * This means that the fatal error handler is called and that V8 is |
2657 * terminated. | 2669 * terminated. |
2658 * | 2670 * |
2659 * IgnoreOutOfMemoryException can be used to not treat a | 2671 * IgnoreOutOfMemoryException can be used to not treat a |
2660 * out-of-memory situation as a fatal error. This way, the contexts | 2672 * out-of-memory situation as a fatal error. This way, the contexts |
2661 * that did not cause the out of memory problem might be able to | 2673 * that did not cause the out of memory problem might be able to |
2662 * continue execution. | 2674 * continue execution. |
2663 */ | 2675 */ |
2664 static void IgnoreOutOfMemoryException(); | 2676 static void IgnoreOutOfMemoryException(); |
2665 | 2677 |
2666 /** | 2678 /** |
2667 * Check if V8 is dead and therefore unusable. This is the case after | 2679 * Check if V8 is dead and therefore unusable. This is the case after |
2668 * fatal errors such as out-of-memory situations. | 2680 * fatal errors such as out-of-memory situations. |
2669 */ | 2681 */ |
2670 static bool IsDead(); | 2682 static bool IsDead(); |
2671 | 2683 |
2672 /** | 2684 /** |
| 2685 * The following 4 functions are to be used when V8 is built with |
| 2686 * the 'compress_startup_data' flag enabled. In this case, the |
| 2687 * embedder must decompress startup data prior to initializing V8. |
| 2688 * |
| 2689 * This is how interaction with V8 should look like: |
| 2690 * int compressed_data_count = v8::V8::GetCompressedStartupDataCount(); |
| 2691 * v8::StartupData* compressed_data = |
| 2692 * new v8::StartupData[compressed_data_count]; |
| 2693 * v8::V8::GetCompressedStartupData(compressed_data); |
| 2694 * ... decompress data (compressed_data can be updated in-place) ... |
| 2695 * v8::V8::SetDecompressedStartupData(compressed_data); |
| 2696 * ... now V8 can be initialized |
| 2697 * ... make sure the decompressed data stays valid until V8 shutdown |
| 2698 */ |
| 2699 static StartupData::CompressionAlgorithm GetCompressedStartupDataAlgorithm(); |
| 2700 static int GetCompressedStartupDataCount(); |
| 2701 static void GetCompressedStartupData(StartupData* compressed_data); |
| 2702 static void SetDecompressedStartupData(StartupData* decompressed_data); |
| 2703 |
| 2704 /** |
2673 * Adds a message listener. | 2705 * Adds a message listener. |
2674 * | 2706 * |
2675 * The same message listener can be added more than once and it that | 2707 * The same message listener can be added more than once and it that |
2676 * case it will be called more than once for each message. | 2708 * case it will be called more than once for each message. |
2677 */ | 2709 */ |
2678 static bool AddMessageListener(MessageCallback that, | 2710 static bool AddMessageListener(MessageCallback that, |
2679 Handle<Value> data = Handle<Value>()); | 2711 Handle<Value> data = Handle<Value>()); |
2680 | 2712 |
2681 /** | 2713 /** |
2682 * Remove all message listeners from the specified callback function. | 2714 * Remove all message listeners from the specified callback function. |
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3993 | 4025 |
3994 | 4026 |
3995 } // namespace v8 | 4027 } // namespace v8 |
3996 | 4028 |
3997 | 4029 |
3998 #undef V8EXPORT | 4030 #undef V8EXPORT |
3999 #undef TYPE_CHECK | 4031 #undef TYPE_CHECK |
4000 | 4032 |
4001 | 4033 |
4002 #endif // V8_H_ | 4034 #endif // V8_H_ |
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