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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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2459 // be represented as a double and not a Smi. | 2459 // be represented as a double and not a Smi. |
2460 bool ShouldConvertToFastDoubleElements(bool* has_smi_only_elements); | 2460 bool ShouldConvertToFastDoubleElements(bool* has_smi_only_elements); |
2461 | 2461 |
2462 // Computes the new capacity when expanding the elements of a JSObject. | 2462 // Computes the new capacity when expanding the elements of a JSObject. |
2463 static int NewElementsCapacity(int old_capacity) { | 2463 static int NewElementsCapacity(int old_capacity) { |
2464 // (old_capacity + 50%) + 16 | 2464 // (old_capacity + 50%) + 16 |
2465 return old_capacity + (old_capacity >> 1) + 16; | 2465 return old_capacity + (old_capacity >> 1) + 16; |
2466 } | 2466 } |
2467 | 2467 |
2468 // These methods do not perform access checks! | 2468 // These methods do not perform access checks! |
2469 AccessorPair* GetLocalPropertyAccessorPair(Name* name); | 2469 MUST_USE_RESULT static MaybeHandle<AccessorPair> GetLocalPropertyAccessorPair( |
2470 AccessorPair* GetLocalElementAccessorPair(uint32_t index); | 2470 Handle<JSObject> object, |
| 2471 Handle<Name> name); |
| 2472 MUST_USE_RESULT static MaybeHandle<AccessorPair> GetLocalElementAccessorPair( |
| 2473 Handle<JSObject> object, |
| 2474 uint32_t index); |
2471 | 2475 |
2472 static Handle<Object> SetFastElement(Handle<JSObject> object, uint32_t index, | 2476 static Handle<Object> SetFastElement(Handle<JSObject> object, uint32_t index, |
2473 Handle<Object> value, | 2477 Handle<Object> value, |
2474 StrictMode strict_mode, | 2478 StrictMode strict_mode, |
2475 bool check_prototype); | 2479 bool check_prototype); |
2476 | 2480 |
2477 static Handle<Object> SetOwnElement(Handle<JSObject> object, | 2481 static Handle<Object> SetOwnElement(Handle<JSObject> object, |
2478 uint32_t index, | 2482 uint32_t index, |
2479 Handle<Object> value, | 2483 Handle<Object> value, |
2480 StrictMode strict_mode); | 2484 StrictMode strict_mode); |
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10826 } else { | 10830 } else { |
10827 value &= ~(1 << bit_position); | 10831 value &= ~(1 << bit_position); |
10828 } | 10832 } |
10829 return value; | 10833 return value; |
10830 } | 10834 } |
10831 }; | 10835 }; |
10832 | 10836 |
10833 } } // namespace v8::internal | 10837 } } // namespace v8::internal |
10834 | 10838 |
10835 #endif // V8_OBJECTS_H_ | 10839 #endif // V8_OBJECTS_H_ |
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