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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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166 Object* callback_object = desc->GetCallbackObject(); | 166 Object* callback_object = desc->GetCallbackObject(); |
167 // Non-JavaScript (i.e. native) accessors are always a property, otherwise | 167 // Non-JavaScript (i.e. native) accessors are always a property, otherwise |
168 // either the getter or the setter must be an accessor. Put another way: | 168 // either the getter or the setter must be an accessor. Put another way: |
169 // If we only see map transitions and holes in a pair, this is not a | 169 // If we only see map transitions and holes in a pair, this is not a |
170 // property. | 170 // property. |
171 return (!callback_object->IsAccessorPair() || | 171 return (!callback_object->IsAccessorPair() || |
172 AccessorPair::cast(callback_object)->ContainsAccessor()); | 172 AccessorPair::cast(callback_object)->ContainsAccessor()); |
173 } | 173 } |
174 case MAP_TRANSITION: | 174 case MAP_TRANSITION: |
175 case CONSTANT_TRANSITION: | 175 case CONSTANT_TRANSITION: |
176 case NULL_DESCRIPTOR: | |
177 return false; | 176 return false; |
| 177 case NONEXISTENT: |
| 178 UNREACHABLE(); |
| 179 break; |
178 } | 180 } |
179 UNREACHABLE(); // keep the compiler happy | 181 UNREACHABLE(); // keep the compiler happy |
180 return false; | 182 return false; |
181 } | 183 } |
182 | 184 |
183 | 185 |
184 class LookupResult BASE_EMBEDDED { | 186 class LookupResult BASE_EMBEDDED { |
185 public: | 187 public: |
186 explicit LookupResult(Isolate* isolate) | 188 explicit LookupResult(Isolate* isolate) |
187 : isolate_(isolate), | 189 : isolate_(isolate), |
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383 JSReceiver* holder_; | 385 JSReceiver* holder_; |
384 int number_; | 386 int number_; |
385 bool cacheable_; | 387 bool cacheable_; |
386 PropertyDetails details_; | 388 PropertyDetails details_; |
387 }; | 389 }; |
388 | 390 |
389 | 391 |
390 } } // namespace v8::internal | 392 } } // namespace v8::internal |
391 | 393 |
392 #endif // V8_PROPERTY_H_ | 394 #endif // V8_PROPERTY_H_ |
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