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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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2413 static bool HasHiddenProperties(Handle<JSObject> object); | 2413 static bool HasHiddenProperties(Handle<JSObject> object); |
2414 | 2414 |
2415 static void SetIdentityHash(Handle<JSObject> object, Handle<Smi> hash); | 2415 static void SetIdentityHash(Handle<JSObject> object, Handle<Smi> hash); |
2416 | 2416 |
2417 inline void ValidateElements(); | 2417 inline void ValidateElements(); |
2418 | 2418 |
2419 // Makes sure that this object can contain HeapObject as elements. | 2419 // Makes sure that this object can contain HeapObject as elements. |
2420 static inline void EnsureCanContainHeapObjectElements(Handle<JSObject> obj); | 2420 static inline void EnsureCanContainHeapObjectElements(Handle<JSObject> obj); |
2421 | 2421 |
2422 // Makes sure that this object can contain the specified elements. | 2422 // Makes sure that this object can contain the specified elements. |
2423 MUST_USE_RESULT inline MaybeObject* EnsureCanContainElements( | 2423 static inline void EnsureCanContainElements( |
| 2424 Handle<JSObject> object, |
2424 Object** elements, | 2425 Object** elements, |
2425 uint32_t count, | 2426 uint32_t count, |
2426 EnsureElementsMode mode); | 2427 EnsureElementsMode mode); |
2427 static inline void EnsureCanContainElements( | 2428 static inline void EnsureCanContainElements( |
2428 Handle<JSObject> object, | 2429 Handle<JSObject> object, |
2429 Handle<FixedArrayBase> elements, | 2430 Handle<FixedArrayBase> elements, |
2430 uint32_t length, | 2431 uint32_t length, |
2431 EnsureElementsMode mode); | 2432 EnsureElementsMode mode); |
2432 MUST_USE_RESULT inline MaybeObject* EnsureCanContainElements( | |
2433 FixedArrayBase* elements, | |
2434 uint32_t length, | |
2435 EnsureElementsMode mode); | |
2436 static void EnsureCanContainElements( | 2433 static void EnsureCanContainElements( |
2437 Handle<JSObject> object, | 2434 Handle<JSObject> object, |
2438 Arguments* arguments, | 2435 Arguments* arguments, |
2439 uint32_t first_arg, | 2436 uint32_t first_arg, |
2440 uint32_t arg_count, | 2437 uint32_t arg_count, |
2441 EnsureElementsMode mode); | 2438 EnsureElementsMode mode); |
2442 MUST_USE_RESULT MaybeObject* EnsureCanContainElements( | |
2443 Arguments* arguments, | |
2444 uint32_t first_arg, | |
2445 uint32_t arg_count, | |
2446 EnsureElementsMode mode); | |
2447 | 2439 |
2448 // Would we convert a fast elements array to dictionary mode given | 2440 // Would we convert a fast elements array to dictionary mode given |
2449 // an access at key? | 2441 // an access at key? |
2450 bool WouldConvertToSlowElements(Handle<Object> key); | 2442 bool WouldConvertToSlowElements(Handle<Object> key); |
2451 // Do we want to keep the elements in fast case when increasing the | 2443 // Do we want to keep the elements in fast case when increasing the |
2452 // capacity? | 2444 // capacity? |
2453 bool ShouldConvertToSlowElements(int new_capacity); | 2445 bool ShouldConvertToSlowElements(int new_capacity); |
2454 // Returns true if the backing storage for the slow-case elements of | 2446 // Returns true if the backing storage for the slow-case elements of |
2455 // this object takes up nearly as much space as a fast-case backing | 2447 // this object takes up nearly as much space as a fast-case backing |
2456 // storage would. In that case the JSObject should have fast | 2448 // storage would. In that case the JSObject should have fast |
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10799 } else { | 10791 } else { |
10800 value &= ~(1 << bit_position); | 10792 value &= ~(1 << bit_position); |
10801 } | 10793 } |
10802 return value; | 10794 return value; |
10803 } | 10795 } |
10804 }; | 10796 }; |
10805 | 10797 |
10806 } } // namespace v8::internal | 10798 } } // namespace v8::internal |
10807 | 10799 |
10808 #endif // V8_OBJECTS_H_ | 10800 #endif // V8_OBJECTS_H_ |
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