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Issue 8341009: Make the GC aware of JSReceiver pointers in LookupResults. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Inlined LookupResult constructor and destructor. Created 9 years, 2 months ago
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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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91 js_entry_sp_ = NULL; 91 js_entry_sp_ = NULL;
92 external_callback_ = NULL; 92 external_callback_ = NULL;
93 current_vm_state_ = EXTERNAL; 93 current_vm_state_ = EXTERNAL;
94 try_catch_handler_address_ = NULL; 94 try_catch_handler_address_ = NULL;
95 context_ = NULL; 95 context_ = NULL;
96 thread_id_ = ThreadId::Invalid(); 96 thread_id_ = ThreadId::Invalid();
97 external_caught_exception_ = false; 97 external_caught_exception_ = false;
98 failed_access_check_callback_ = NULL; 98 failed_access_check_callback_ = NULL;
99 save_context_ = NULL; 99 save_context_ = NULL;
100 catcher_ = NULL; 100 catcher_ = NULL;
101 top_lookup_result_ = NULL;
101 102
102 // These members are re-initialized later after deserialization 103 // These members are re-initialized later after deserialization
103 // is complete. 104 // is complete.
104 pending_exception_ = NULL; 105 pending_exception_ = NULL;
105 has_pending_message_ = false; 106 has_pending_message_ = false;
106 pending_message_obj_ = NULL; 107 pending_message_obj_ = NULL;
107 pending_message_script_ = NULL; 108 pending_message_script_ = NULL;
108 scheduled_exception_ = NULL; 109 scheduled_exception_ = NULL;
109 } 110 }
110 111
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473 block != NULL; 474 block != NULL;
474 block = TRY_CATCH_FROM_ADDRESS(block->next_)) { 475 block = TRY_CATCH_FROM_ADDRESS(block->next_)) {
475 v->VisitPointer(BitCast<Object**>(&(block->exception_))); 476 v->VisitPointer(BitCast<Object**>(&(block->exception_)));
476 v->VisitPointer(BitCast<Object**>(&(block->message_))); 477 v->VisitPointer(BitCast<Object**>(&(block->message_)));
477 } 478 }
478 479
479 // Iterate over pointers on native execution stack. 480 // Iterate over pointers on native execution stack.
480 for (StackFrameIterator it(this, thread); !it.done(); it.Advance()) { 481 for (StackFrameIterator it(this, thread); !it.done(); it.Advance()) {
481 it.frame()->Iterate(v); 482 it.frame()->Iterate(v);
482 } 483 }
484
485 // Iterate pointers in live lookup results.
486 thread->top_lookup_result_->Iterate(v);
483 } 487 }
484 488
485 489
486 void Isolate::Iterate(ObjectVisitor* v) { 490 void Isolate::Iterate(ObjectVisitor* v) {
487 ThreadLocalTop* current_t = thread_local_top(); 491 ThreadLocalTop* current_t = thread_local_top();
488 Iterate(v, current_t); 492 Iterate(v, current_t);
489 } 493 }
490 494
491 495
492 void Isolate::RegisterTryCatchHandler(v8::TryCatch* that) { 496 void Isolate::RegisterTryCatchHandler(v8::TryCatch* that) {
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1886 1890
1887 #ifdef DEBUG 1891 #ifdef DEBUG
1888 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \ 1892 #define ISOLATE_FIELD_OFFSET(type, name, ignored) \
1889 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_); 1893 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
1890 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET) 1894 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
1891 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET) 1895 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
1892 #undef ISOLATE_FIELD_OFFSET 1896 #undef ISOLATE_FIELD_OFFSET
1893 #endif 1897 #endif
1894 1898
1895 } } // namespace v8::internal 1899 } } // namespace v8::internal
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