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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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4600 uint32_t index; | 4600 uint32_t index; |
4601 const bool key_is_array_index = key->AsArrayIndex(&index); | 4601 const bool key_is_array_index = key->AsArrayIndex(&index); |
4602 | 4602 |
4603 Object* obj = args[0]; | 4603 Object* obj = args[0]; |
4604 // Only JS objects can have properties. | 4604 // Only JS objects can have properties. |
4605 if (obj->IsJSObject()) { | 4605 if (obj->IsJSObject()) { |
4606 JSObject* object = JSObject::cast(obj); | 4606 JSObject* object = JSObject::cast(obj); |
4607 // Fast case: either the key is a real named property or it is not | 4607 // Fast case: either the key is a real named property or it is not |
4608 // an array index and there are no interceptors or hidden | 4608 // an array index and there are no interceptors or hidden |
4609 // prototypes. | 4609 // prototypes. |
4610 if (object->HasRealNamedProperty(key)) return isolate->heap()->true_value(); | 4610 if (object->HasRealNamedProperty(isolate, key)) |
| 4611 return isolate->heap()->true_value(); |
4611 Map* map = object->map(); | 4612 Map* map = object->map(); |
4612 if (!key_is_array_index && | 4613 if (!key_is_array_index && |
4613 !map->has_named_interceptor() && | 4614 !map->has_named_interceptor() && |
4614 !HeapObject::cast(map->prototype())->map()->is_hidden_prototype()) { | 4615 !HeapObject::cast(map->prototype())->map()->is_hidden_prototype()) { |
4615 return isolate->heap()->false_value(); | 4616 return isolate->heap()->false_value(); |
4616 } | 4617 } |
4617 // Slow case. | 4618 // Slow case. |
4618 HandleScope scope(isolate); | 4619 HandleScope scope(isolate); |
4619 return HasLocalPropertyImplementation(isolate, | 4620 return HasLocalPropertyImplementation(isolate, |
4620 Handle<JSObject>(object), | 4621 Handle<JSObject>(object), |
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12999 // Handle last resort GC and make sure to allow future allocations | 13000 // Handle last resort GC and make sure to allow future allocations |
13000 // to grow the heap without causing GCs (if possible). | 13001 // to grow the heap without causing GCs (if possible). |
13001 isolate->counters()->gc_last_resort_from_js()->Increment(); | 13002 isolate->counters()->gc_last_resort_from_js()->Increment(); |
13002 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, | 13003 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, |
13003 "Runtime::PerformGC"); | 13004 "Runtime::PerformGC"); |
13004 } | 13005 } |
13005 } | 13006 } |
13006 | 13007 |
13007 | 13008 |
13008 } } // namespace v8::internal | 13009 } } // namespace v8::internal |
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