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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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3585 set_bit_field3(Deprecated::update(bit_field3(), true)); | 3585 set_bit_field3(Deprecated::update(bit_field3(), true)); |
3586 } | 3586 } |
3587 | 3587 |
3588 | 3588 |
3589 bool Map::is_deprecated() { | 3589 bool Map::is_deprecated() { |
3590 if (!FLAG_track_fields) return false; | 3590 if (!FLAG_track_fields) return false; |
3591 return Deprecated::decode(bit_field3()); | 3591 return Deprecated::decode(bit_field3()); |
3592 } | 3592 } |
3593 | 3593 |
3594 | 3594 |
3595 void Map::freeze() { | |
3596 set_bit_field3(IsFrozen::update(bit_field3(), true)); | |
3597 } | |
3598 | |
3599 | |
3600 bool Map::is_frozen() { | |
3601 return IsFrozen::decode(bit_field3()); | |
3602 } | |
3603 | |
3604 | |
3605 bool Map::CanBeDeprecated() { | 3595 bool Map::CanBeDeprecated() { |
3606 int descriptor = LastAdded(); | 3596 int descriptor = LastAdded(); |
3607 for (int i = 0; i <= descriptor; i++) { | 3597 for (int i = 0; i <= descriptor; i++) { |
3608 PropertyDetails details = instance_descriptors()->GetDetails(i); | 3598 PropertyDetails details = instance_descriptors()->GetDetails(i); |
3609 if (FLAG_track_fields && details.representation().IsSmi()) { | 3599 if (FLAG_track_fields && details.representation().IsSmi()) { |
3610 return true; | 3600 return true; |
3611 } | 3601 } |
3612 if (FLAG_track_double_fields && details.representation().IsDouble()) { | 3602 if (FLAG_track_double_fields && details.representation().IsDouble()) { |
3613 return true; | 3603 return true; |
3614 } | 3604 } |
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6212 #undef WRITE_UINT32_FIELD | 6202 #undef WRITE_UINT32_FIELD |
6213 #undef READ_SHORT_FIELD | 6203 #undef READ_SHORT_FIELD |
6214 #undef WRITE_SHORT_FIELD | 6204 #undef WRITE_SHORT_FIELD |
6215 #undef READ_BYTE_FIELD | 6205 #undef READ_BYTE_FIELD |
6216 #undef WRITE_BYTE_FIELD | 6206 #undef WRITE_BYTE_FIELD |
6217 | 6207 |
6218 | 6208 |
6219 } } // namespace v8::internal | 6209 } } // namespace v8::internal |
6220 | 6210 |
6221 #endif // V8_OBJECTS_INL_H_ | 6211 #endif // V8_OBJECTS_INL_H_ |
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