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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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3098 return isolate->heap()->false_value(); | 3098 return isolate->heap()->false_value(); |
3099 } | 3099 } |
3100 | 3100 |
3101 if (IsJSGlobalProxy()) { | 3101 if (IsJSGlobalProxy()) { |
3102 Object* proto = GetPrototype(); | 3102 Object* proto = GetPrototype(); |
3103 if (proto->IsNull()) return this; | 3103 if (proto->IsNull()) return this; |
3104 ASSERT(proto->IsJSGlobalObject()); | 3104 ASSERT(proto->IsJSGlobalObject()); |
3105 return JSObject::cast(proto)->PreventExtensions(); | 3105 return JSObject::cast(proto)->PreventExtensions(); |
3106 } | 3106 } |
3107 | 3107 |
| 3108 // It's not possible to seal objects with external array elements |
| 3109 if (HasExternalArrayElements()) { |
| 3110 HandleScope scope(isolate); |
| 3111 Handle<Object> object(this); |
| 3112 Handle<Object> error = |
| 3113 isolate->factory()->NewTypeError( |
| 3114 "cant_prevent_ext_external_array_elements", |
| 3115 HandleVector(&object, 1)); |
| 3116 return isolate->Throw(*error); |
| 3117 } |
| 3118 |
3108 // If there are fast elements we normalize. | 3119 // If there are fast elements we normalize. |
3109 if (HasFastElements()) { | 3120 if (HasFastElements()) { |
3110 Object* ok; | 3121 Object* ok; |
3111 { MaybeObject* maybe_ok = NormalizeElements(); | 3122 { MaybeObject* maybe_ok = NormalizeElements(); |
3112 if (!maybe_ok->ToObject(&ok)) return maybe_ok; | 3123 if (!maybe_ok->ToObject(&ok)) return maybe_ok; |
3113 } | 3124 } |
3114 } | 3125 } |
3115 // Make sure that we never go back to fast case. | 3126 // Make sure that we never go back to fast case. |
3116 element_dictionary()->set_requires_slow_elements(); | 3127 element_dictionary()->set_requires_slow_elements(); |
3117 | 3128 |
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10604 if (break_point_objects()->IsUndefined()) return 0; | 10615 if (break_point_objects()->IsUndefined()) return 0; |
10605 // Single beak point. | 10616 // Single beak point. |
10606 if (!break_point_objects()->IsFixedArray()) return 1; | 10617 if (!break_point_objects()->IsFixedArray()) return 1; |
10607 // Multiple break points. | 10618 // Multiple break points. |
10608 return FixedArray::cast(break_point_objects())->length(); | 10619 return FixedArray::cast(break_point_objects())->length(); |
10609 } | 10620 } |
10610 #endif | 10621 #endif |
10611 | 10622 |
10612 | 10623 |
10613 } } // namespace v8::internal | 10624 } } // namespace v8::internal |
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