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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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149 catcher.SetVerbose(false); | 149 catcher.SetVerbose(false); |
150 catcher.SetCaptureMessage(false); | 150 catcher.SetCaptureMessage(false); |
151 | 151 |
152 Handle<Object> result = Invoke(false, func, receiver, argc, args, | 152 Handle<Object> result = Invoke(false, func, receiver, argc, args, |
153 caught_exception); | 153 caught_exception); |
154 | 154 |
155 if (*caught_exception) { | 155 if (*caught_exception) { |
156 ASSERT(catcher.HasCaught()); | 156 ASSERT(catcher.HasCaught()); |
157 ASSERT(Top::has_pending_exception()); | 157 ASSERT(Top::has_pending_exception()); |
158 ASSERT(Top::external_caught_exception()); | 158 ASSERT(Top::external_caught_exception()); |
159 Top::optional_reschedule_exception(true); | 159 bool is_bottom_call = HandleScopeImplementer::instance()->CallDepthIsZero(); |
| 160 Top::OptionalRescheduleException(is_bottom_call, true); |
160 result = v8::Utils::OpenHandle(*catcher.Exception()); | 161 result = v8::Utils::OpenHandle(*catcher.Exception()); |
161 } | 162 } |
162 | 163 |
163 ASSERT(!Top::has_pending_exception()); | 164 ASSERT(!Top::has_pending_exception()); |
164 ASSERT(!Top::external_caught_exception()); | 165 ASSERT(!Top::external_caught_exception()); |
165 return result; | 166 return result; |
166 } | 167 } |
167 | 168 |
168 | 169 |
169 Handle<Object> Execution::GetFunctionDelegate(Handle<Object> object) { | 170 Handle<Object> Execution::GetFunctionDelegate(Handle<Object> object) { |
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321 } | 322 } |
322 | 323 |
323 | 324 |
324 void StackGuard::Preempt() { | 325 void StackGuard::Preempt() { |
325 ExecutionAccess access; | 326 ExecutionAccess access; |
326 thread_local_.interrupt_flags_ |= PREEMPT; | 327 thread_local_.interrupt_flags_ |= PREEMPT; |
327 set_limits(kInterruptLimit, access); | 328 set_limits(kInterruptLimit, access); |
328 } | 329 } |
329 | 330 |
330 | 331 |
| 332 bool StackGuard::IsTerminateExecution() { |
| 333 ExecutionAccess access; |
| 334 return thread_local_.interrupt_flags_ & TERMINATE; |
| 335 } |
| 336 |
| 337 |
| 338 void StackGuard::TerminateExecution() { |
| 339 ExecutionAccess access; |
| 340 thread_local_.interrupt_flags_ |= TERMINATE; |
| 341 set_limits(kInterruptLimit, access); |
| 342 } |
| 343 |
| 344 |
331 #ifdef ENABLE_DEBUGGER_SUPPORT | 345 #ifdef ENABLE_DEBUGGER_SUPPORT |
332 bool StackGuard::IsDebugBreak() { | 346 bool StackGuard::IsDebugBreak() { |
333 ExecutionAccess access; | 347 ExecutionAccess access; |
334 return thread_local_.interrupt_flags_ & DEBUGBREAK; | 348 return thread_local_.interrupt_flags_ & DEBUGBREAK; |
335 } | 349 } |
336 | 350 |
337 | 351 |
338 void StackGuard::DebugBreak() { | 352 void StackGuard::DebugBreak() { |
339 ExecutionAccess access; | 353 ExecutionAccess access; |
340 thread_local_.interrupt_flags_ |= DEBUGBREAK; | 354 thread_local_.interrupt_flags_ |= DEBUGBREAK; |
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631 } | 645 } |
632 #endif | 646 #endif |
633 | 647 |
634 Object* Execution::HandleStackGuardInterrupt() { | 648 Object* Execution::HandleStackGuardInterrupt() { |
635 #ifdef ENABLE_DEBUGGER_SUPPORT | 649 #ifdef ENABLE_DEBUGGER_SUPPORT |
636 if (StackGuard::IsDebugBreak() || StackGuard::IsDebugCommand()) { | 650 if (StackGuard::IsDebugBreak() || StackGuard::IsDebugCommand()) { |
637 DebugBreakHelper(); | 651 DebugBreakHelper(); |
638 } | 652 } |
639 #endif | 653 #endif |
640 if (StackGuard::IsPreempted()) RuntimePreempt(); | 654 if (StackGuard::IsPreempted()) RuntimePreempt(); |
| 655 if (StackGuard::IsTerminateExecution()) { |
| 656 StackGuard::Continue(TERMINATE); |
| 657 return Top::TerminateExecution(); |
| 658 } |
641 if (StackGuard::IsInterrupted()) { | 659 if (StackGuard::IsInterrupted()) { |
642 // interrupt | 660 // interrupt |
643 StackGuard::Continue(INTERRUPT); | 661 StackGuard::Continue(INTERRUPT); |
644 return Top::StackOverflow(); | 662 return Top::StackOverflow(); |
645 } | 663 } |
646 return Heap::undefined_value(); | 664 return Heap::undefined_value(); |
647 } | 665 } |
648 | 666 |
649 // --- G C E x t e n s i o n --- | 667 // --- G C E x t e n s i o n --- |
650 | 668 |
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661 // All allocation spaces other than NEW_SPACE have the same effect. | 679 // All allocation spaces other than NEW_SPACE have the same effect. |
662 Heap::CollectAllGarbage(); | 680 Heap::CollectAllGarbage(); |
663 return v8::Undefined(); | 681 return v8::Undefined(); |
664 } | 682 } |
665 | 683 |
666 | 684 |
667 static GCExtension kGCExtension; | 685 static GCExtension kGCExtension; |
668 v8::DeclareExtension kGCExtensionDeclaration(&kGCExtension); | 686 v8::DeclareExtension kGCExtensionDeclaration(&kGCExtension); |
669 | 687 |
670 } } // namespace v8::internal | 688 } } // namespace v8::internal |
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