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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_H_ | 5 #ifndef V8_OBJECTS_H_ |
6 #define V8_OBJECTS_H_ | 6 #define V8_OBJECTS_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/assert-scope.h" | 9 #include "src/assert-scope.h" |
10 #include "src/builtins.h" | 10 #include "src/builtins.h" |
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1507 Isolate* isolate, | 1507 Isolate* isolate, |
1508 Handle<Object> object, | 1508 Handle<Object> object, |
1509 uint32_t index); | 1509 uint32_t index); |
1510 | 1510 |
1511 MUST_USE_RESULT static MaybeHandle<Object> GetElementWithReceiver( | 1511 MUST_USE_RESULT static MaybeHandle<Object> GetElementWithReceiver( |
1512 Isolate* isolate, | 1512 Isolate* isolate, |
1513 Handle<Object> object, | 1513 Handle<Object> object, |
1514 Handle<Object> receiver, | 1514 Handle<Object> receiver, |
1515 uint32_t index); | 1515 uint32_t index); |
1516 | 1516 |
1517 // Return the object's prototype (might be Heap::null_value()). | |
1518 Object* GetPrototype(Isolate* isolate); | |
1519 static Handle<Object> GetPrototype(Isolate* isolate, Handle<Object> object); | |
1520 | |
1521 // Returns the permanent hash code associated with this object. May return | 1517 // Returns the permanent hash code associated with this object. May return |
1522 // undefined if not yet created. | 1518 // undefined if not yet created. |
1523 Object* GetHash(); | 1519 Object* GetHash(); |
1524 | 1520 |
1525 // Returns the permanent hash code associated with this object depending on | 1521 // Returns the permanent hash code associated with this object depending on |
1526 // the actual object type. May create and store a hash code if needed and none | 1522 // the actual object type. May create and store a hash code if needed and none |
1527 // exists. | 1523 // exists. |
1528 static Handle<Smi> GetOrCreateHash(Isolate* isolate, Handle<Object> object); | 1524 static Handle<Smi> GetOrCreateHash(Isolate* isolate, Handle<Object> object); |
1529 | 1525 |
1530 // Checks whether this object has the same value as the given one. This | 1526 // Checks whether this object has the same value as the given one. This |
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1567 | 1563 |
1568 #ifdef OBJECT_PRINT | 1564 #ifdef OBJECT_PRINT |
1569 // For our gdb macros, we should perhaps change these in the future. | 1565 // For our gdb macros, we should perhaps change these in the future. |
1570 void Print(); | 1566 void Print(); |
1571 | 1567 |
1572 // Prints this object with details. | 1568 // Prints this object with details. |
1573 void Print(OStream& os); // NOLINT | 1569 void Print(OStream& os); // NOLINT |
1574 #endif | 1570 #endif |
1575 | 1571 |
1576 private: | 1572 private: |
| 1573 friend class PrototypeIterator; |
| 1574 |
| 1575 // Return the map of the root of object's prototype chain. |
| 1576 Map* GetRootMap(Isolate* isolate); |
| 1577 |
1577 DISALLOW_IMPLICIT_CONSTRUCTORS(Object); | 1578 DISALLOW_IMPLICIT_CONSTRUCTORS(Object); |
1578 }; | 1579 }; |
1579 | 1580 |
1580 | 1581 |
1581 struct Brief { | 1582 struct Brief { |
1582 explicit Brief(const Object* const v) : value(v) {} | 1583 explicit Brief(const Object* const v) : value(v) {} |
1583 const Object* value; | 1584 const Object* value; |
1584 }; | 1585 }; |
1585 | 1586 |
1586 | 1587 |
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11231 } else { | 11232 } else { |
11232 value &= ~(1 << bit_position); | 11233 value &= ~(1 << bit_position); |
11233 } | 11234 } |
11234 return value; | 11235 return value; |
11235 } | 11236 } |
11236 }; | 11237 }; |
11237 | 11238 |
11238 } } // namespace v8::internal | 11239 } } // namespace v8::internal |
11239 | 11240 |
11240 #endif // V8_OBJECTS_H_ | 11241 #endif // V8_OBJECTS_H_ |
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