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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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33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 | 36 |
37 #define RETURN_IF_SCHEDULED_EXCEPTION() \ | 37 #define RETURN_IF_SCHEDULED_EXCEPTION() \ |
38 if (Top::has_scheduled_exception()) return Top::PromoteScheduledException() | 38 if (Top::has_scheduled_exception()) return Top::PromoteScheduledException() |
39 | 39 |
40 // Top has static variables used for JavaScript execution. | 40 // Top has static variables used for JavaScript execution. |
41 | 41 |
42 class SaveContext; // Forward declaration. | 42 class SaveContext; // Forward declaration. |
| 43 class ThreadVisitor; // Defined in v8threads.h |
43 | 44 |
44 class ThreadLocalTop BASE_EMBEDDED { | 45 class ThreadLocalTop BASE_EMBEDDED { |
45 public: | 46 public: |
46 // Initialize the thread data. | 47 // Initialize the thread data. |
47 void Initialize(); | 48 void Initialize(); |
48 | 49 |
49 // Get the top C++ try catch handler or NULL if none are registered. | 50 // Get the top C++ try catch handler or NULL if none are registered. |
50 // | 51 // |
51 // This method is not guarenteed to return an address that can be | 52 // This method is not guarenteed to return an address that can be |
52 // used for comparison with addresses into the JS stack. If such an | 53 // used for comparison with addresses into the JS stack. If such an |
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312 // Out of resource exception helpers. | 313 // Out of resource exception helpers. |
313 static Failure* StackOverflow(); | 314 static Failure* StackOverflow(); |
314 static Failure* TerminateExecution(); | 315 static Failure* TerminateExecution(); |
315 | 316 |
316 // Administration | 317 // Administration |
317 static void Initialize(); | 318 static void Initialize(); |
318 static void TearDown(); | 319 static void TearDown(); |
319 static void Iterate(ObjectVisitor* v); | 320 static void Iterate(ObjectVisitor* v); |
320 static void Iterate(ObjectVisitor* v, ThreadLocalTop* t); | 321 static void Iterate(ObjectVisitor* v, ThreadLocalTop* t); |
321 static char* Iterate(ObjectVisitor* v, char* t); | 322 static char* Iterate(ObjectVisitor* v, char* t); |
| 323 static void IterateThread(ThreadVisitor* v); |
| 324 static void IterateThread(ThreadVisitor* v, char* t); |
322 | 325 |
323 // Returns the global object of the current context. It could be | 326 // Returns the global object of the current context. It could be |
324 // a builtin object, or a js global object. | 327 // a builtin object, or a js global object. |
325 static Handle<GlobalObject> global() { | 328 static Handle<GlobalObject> global() { |
326 return Handle<GlobalObject>(context()->global()); | 329 return Handle<GlobalObject>(context()->global()); |
327 } | 330 } |
328 | 331 |
329 // Returns the global proxy object of the current context. | 332 // Returns the global proxy object of the current context. |
330 static Object* global_proxy() { | 333 static Object* global_proxy() { |
331 return context()->global_proxy(); | 334 return context()->global_proxy(); |
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446 | 449 |
447 class ExecutionAccess BASE_EMBEDDED { | 450 class ExecutionAccess BASE_EMBEDDED { |
448 public: | 451 public: |
449 ExecutionAccess(); | 452 ExecutionAccess(); |
450 ~ExecutionAccess(); | 453 ~ExecutionAccess(); |
451 }; | 454 }; |
452 | 455 |
453 } } // namespace v8::internal | 456 } } // namespace v8::internal |
454 | 457 |
455 #endif // V8_TOP_H_ | 458 #endif // V8_TOP_H_ |
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