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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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| 119 object = *object_handle; | 119 object = *object_handle; |
| 120 value = *value_handle; | 120 value = *value_handle; |
| 121 | 121 |
| 122 if (uint32_v->Number() == number_v->Number()) { | 122 if (uint32_v->Number() == number_v->Number()) { |
| 123 if (object->IsJSArray()) { | 123 if (object->IsJSArray()) { |
| 124 return JSArray::cast(object)->SetElementsLength(*uint32_v); | 124 return JSArray::cast(object)->SetElementsLength(*uint32_v); |
| 125 } else { | 125 } else { |
| 126 // This means one of the object's prototypes is a JSArray and | 126 // This means one of the object's prototypes is a JSArray and |
| 127 // the object does not have a 'length' property. | 127 // the object does not have a 'length' property. |
| 128 // Calling SetProperty causes an infinite loop. | 128 // Calling SetProperty causes an infinite loop. |
| 129 return object->IgnoreAttributesAndSetLocalProperty(Heap::length_symbol(), | 129 return object->SetLocalPropertyIgnoreAttributes(Heap::length_symbol(), |
| 130 value, NONE); | 130 value, NONE); |
| 131 } | 131 } |
| 132 } | 132 } |
| 133 return Top::Throw(*Factory::NewRangeError("invalid_array_length", | 133 return Top::Throw(*Factory::NewRangeError("invalid_array_length", |
| 134 HandleVector<Object>(NULL, 0))); | 134 HandleVector<Object>(NULL, 0))); |
| 135 } | 135 } |
| 136 | 136 |
| 137 | 137 |
| 138 const AccessorDescriptor Accessors::ArrayLength = { | 138 const AccessorDescriptor Accessors::ArrayLength = { |
| 139 ArrayGetLength, | 139 ArrayGetLength, |
| 140 ArraySetLength, | 140 ArraySetLength, |
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| 768 if (i > 0) { | 768 if (i > 0) { |
| 769 // Function in question was inlined. | 769 // Function in question was inlined. |
| 770 return ConstructArgumentsObjectForInlinedFunction(frame, function, i); | 770 return ConstructArgumentsObjectForInlinedFunction(frame, function, i); |
| 771 } else { | 771 } else { |
| 772 // If there is an arguments variable in the stack, we return that. | 772 // If there is an arguments variable in the stack, we return that. |
| 773 int index = function->shared()->scope_info()-> | 773 int index = function->shared()->scope_info()-> |
| 774 StackSlotIndex(Heap::arguments_symbol()); | 774 StackSlotIndex(Heap::arguments_symbol()); |
| 775 if (index >= 0) { | 775 if (index >= 0) { |
| 776 Handle<Object> arguments = | 776 Handle<Object> arguments = |
| 777 Handle<Object>(frame->GetExpression(index)); | 777 Handle<Object>(frame->GetExpression(index)); |
| 778 if (!arguments->IsTheHole()) return *arguments; | 778 if (!arguments->IsArgumentsMarker()) return *arguments; |
| 779 } | 779 } |
| 780 | 780 |
| 781 // If there isn't an arguments variable in the stack, we need to | 781 // If there isn't an arguments variable in the stack, we need to |
| 782 // find the frame that holds the actual arguments passed to the | 782 // find the frame that holds the actual arguments passed to the |
| 783 // function on the stack. | 783 // function on the stack. |
| 784 it.AdvanceToArgumentsFrame(); | 784 it.AdvanceToArgumentsFrame(); |
| 785 frame = it.frame(); | 785 frame = it.frame(); |
| 786 | 786 |
| 787 // Get the number of arguments and construct an arguments object | 787 // Get the number of arguments and construct an arguments object |
| 788 // mirror for the right frame. | 788 // mirror for the right frame. |
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| 894 } | 894 } |
| 895 | 895 |
| 896 | 896 |
| 897 const AccessorDescriptor Accessors::ObjectPrototype = { | 897 const AccessorDescriptor Accessors::ObjectPrototype = { |
| 898 ObjectGetPrototype, | 898 ObjectGetPrototype, |
| 899 ObjectSetPrototype, | 899 ObjectSetPrototype, |
| 900 0 | 900 0 |
| 901 }; | 901 }; |
| 902 | 902 |
| 903 } } // namespace v8::internal | 903 } } // namespace v8::internal |
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