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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 1483 Object* GetPropertyWithFailedAccessCheck(Object* receiver, | 1483 Object* GetPropertyWithFailedAccessCheck(Object* receiver, |
| 1484 LookupResult* result, | 1484 LookupResult* result, |
| 1485 String* name, | 1485 String* name, |
| 1486 PropertyAttributes* attributes); | 1486 PropertyAttributes* attributes); |
| 1487 Object* GetPropertyWithInterceptor(JSObject* receiver, | 1487 Object* GetPropertyWithInterceptor(JSObject* receiver, |
| 1488 String* name, | 1488 String* name, |
| 1489 PropertyAttributes* attributes); | 1489 PropertyAttributes* attributes); |
| 1490 Object* GetPropertyPostInterceptor(JSObject* receiver, | 1490 Object* GetPropertyPostInterceptor(JSObject* receiver, |
| 1491 String* name, | 1491 String* name, |
| 1492 PropertyAttributes* attributes); | 1492 PropertyAttributes* attributes); |
| 1493 Object* GetLocalPropertyPostInterceptor(JSObject* receiver, |
| 1494 String* name, |
| 1495 PropertyAttributes* attributes); |
| 1493 Object* GetLazyProperty(Object* receiver, | 1496 Object* GetLazyProperty(Object* receiver, |
| 1494 LookupResult* result, | 1497 LookupResult* result, |
| 1495 String* name, | 1498 String* name, |
| 1496 PropertyAttributes* attributes); | 1499 PropertyAttributes* attributes); |
| 1497 | 1500 |
| 1498 // Tells whether this object needs to be loaded. | 1501 // Tells whether this object needs to be loaded. |
| 1499 inline bool IsLoaded(); | 1502 inline bool IsLoaded(); |
| 1500 | 1503 |
| 1501 // Returns true if this is an instance of an api function and has | 1504 // Returns true if this is an instance of an api function and has |
| 1502 // been modified since it was created. May give false positives. | 1505 // been modified since it was created. May give false positives. |
| 1503 bool IsDirty(); | 1506 bool IsDirty(); |
| 1504 | 1507 |
| 1505 bool HasProperty(String* name) { | 1508 bool HasProperty(String* name) { |
| 1506 return GetPropertyAttribute(name) != ABSENT; | 1509 return GetPropertyAttribute(name) != ABSENT; |
| 1507 } | 1510 } |
| 1508 | 1511 |
| 1509 // Can cause a GC if it hits an interceptor. | 1512 // Can cause a GC if it hits an interceptor. |
| 1510 bool HasLocalProperty(String* name) { | 1513 bool HasLocalProperty(String* name) { |
| 1511 return GetLocalPropertyAttribute(name) != ABSENT; | 1514 return GetLocalPropertyAttribute(name) != ABSENT; |
| 1512 } | 1515 } |
| 1513 | 1516 |
| 1517 // If the receiver is a JSGlobalProxy this method will return its prototype, |
| 1518 // otherwise the result is the receiver itself. |
| 1519 inline Object* BypassGlobalProxy(); |
| 1520 |
| 1521 // Accessors for hidden properties object. |
| 1522 // |
| 1523 // Hidden properties are not local properties of the object itself. |
| 1524 // Instead they are stored on an auxiliary JSObject stored as a local |
| 1525 // property with a special name Heap::hidden_symbol(). But if the |
| 1526 // receiver is a JSGlobalProxy then the auxiliary object is a property |
| 1527 // of its prototype. |
| 1528 // |
| 1529 // Has/Get/SetHiddenPropertiesObject methods don't allow the holder to be |
| 1530 // a JSGlobalProxy. Use BypassGlobalProxy method above to get to the real |
| 1531 // holder. |
| 1532 // |
| 1533 // These accessors do not touch interceptors or accessors. |
| 1534 inline bool HasHiddenPropertiesObject(); |
| 1535 inline Object* GetHiddenPropertiesObject(); |
| 1536 inline Object* SetHiddenPropertiesObject(Object* hidden_obj); |
| 1537 |
| 1514 Object* DeleteProperty(String* name, DeleteMode mode); | 1538 Object* DeleteProperty(String* name, DeleteMode mode); |
| 1515 Object* DeleteElement(uint32_t index, DeleteMode mode); | 1539 Object* DeleteElement(uint32_t index, DeleteMode mode); |
| 1516 Object* DeleteLazyProperty(LookupResult* result, | 1540 Object* DeleteLazyProperty(LookupResult* result, |
| 1517 String* name, | 1541 String* name, |
| 1518 DeleteMode mode); | 1542 DeleteMode mode); |
| 1519 | 1543 |
| 1520 // Tests for the fast common case for property enumeration. | 1544 // Tests for the fast common case for property enumeration. |
| 1521 bool IsSimpleEnum(); | 1545 bool IsSimpleEnum(); |
| 1522 | 1546 |
| 1523 // Do we want to keep the elements in fast case when increasing the | 1547 // Do we want to keep the elements in fast case when increasing the |
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| 5138 } else { | 5162 } else { |
| 5139 value &= ~(1 << bit_position); | 5163 value &= ~(1 << bit_position); |
| 5140 } | 5164 } |
| 5141 return value; | 5165 return value; |
| 5142 } | 5166 } |
| 5143 }; | 5167 }; |
| 5144 | 5168 |
| 5145 } } // namespace v8::internal | 5169 } } // namespace v8::internal |
| 5146 | 5170 |
| 5147 #endif // V8_OBJECTS_H_ | 5171 #endif // V8_OBJECTS_H_ |
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