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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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1990 int number = cache->Lookup(this, name); | 1990 int number = cache->Lookup(this, name); |
1991 if (number == DescriptorLookupCache::kAbsent) { | 1991 if (number == DescriptorLookupCache::kAbsent) { |
1992 number = internal::Search(this, name); | 1992 number = internal::Search(this, name); |
1993 cache->Update(this, name, number); | 1993 cache->Update(this, name, number); |
1994 } | 1994 } |
1995 return number; | 1995 return number; |
1996 } | 1996 } |
1997 | 1997 |
1998 | 1998 |
1999 TransitionArray* DescriptorArray::transitions() { | 1999 TransitionArray* DescriptorArray::transitions() { |
2000 if (!this->MayContainTransitions()) return NULL; | 2000 ASSERT(MayContainTransitions()); |
2001 Object* array = get(kTransitionsIndex); | 2001 Object* array = get(kTransitionsIndex); |
2002 return TransitionArray::cast(array); | 2002 return TransitionArray::cast(array); |
2003 } | 2003 } |
2004 | 2004 |
2005 | 2005 |
2006 void DescriptorArray::ClearTransitions() { | 2006 void DescriptorArray::ClearTransitions() { |
2007 WRITE_FIELD(this, kTransitionsOffset, Smi::FromInt(0)); | 2007 WRITE_FIELD(this, kTransitionsOffset, Smi::FromInt(0)); |
2008 } | 2008 } |
2009 | 2009 |
2010 | 2010 |
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5280 #undef WRITE_UINT32_FIELD | 5280 #undef WRITE_UINT32_FIELD |
5281 #undef READ_SHORT_FIELD | 5281 #undef READ_SHORT_FIELD |
5282 #undef WRITE_SHORT_FIELD | 5282 #undef WRITE_SHORT_FIELD |
5283 #undef READ_BYTE_FIELD | 5283 #undef READ_BYTE_FIELD |
5284 #undef WRITE_BYTE_FIELD | 5284 #undef WRITE_BYTE_FIELD |
5285 | 5285 |
5286 | 5286 |
5287 } } // namespace v8::internal | 5287 } } // namespace v8::internal |
5288 | 5288 |
5289 #endif // V8_OBJECTS_INL_H_ | 5289 #endif // V8_OBJECTS_INL_H_ |
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