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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 |
3595 bool Map::CanBeDeprecated() { | 3605 bool Map::CanBeDeprecated() { |
3596 int descriptor = LastAdded(); | 3606 int descriptor = LastAdded(); |
3597 for (int i = 0; i <= descriptor; i++) { | 3607 for (int i = 0; i <= descriptor; i++) { |
3598 PropertyDetails details = instance_descriptors()->GetDetails(i); | 3608 PropertyDetails details = instance_descriptors()->GetDetails(i); |
3599 if (FLAG_track_fields && details.representation().IsSmi()) { | 3609 if (FLAG_track_fields && details.representation().IsSmi()) { |
3600 return true; | 3610 return true; |
3601 } | 3611 } |
3602 if (FLAG_track_double_fields && details.representation().IsDouble()) { | 3612 if (FLAG_track_double_fields && details.representation().IsDouble()) { |
3603 return true; | 3613 return true; |
3604 } | 3614 } |
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6202 #undef WRITE_UINT32_FIELD | 6212 #undef WRITE_UINT32_FIELD |
6203 #undef READ_SHORT_FIELD | 6213 #undef READ_SHORT_FIELD |
6204 #undef WRITE_SHORT_FIELD | 6214 #undef WRITE_SHORT_FIELD |
6205 #undef READ_BYTE_FIELD | 6215 #undef READ_BYTE_FIELD |
6206 #undef WRITE_BYTE_FIELD | 6216 #undef WRITE_BYTE_FIELD |
6207 | 6217 |
6208 | 6218 |
6209 } } // namespace v8::internal | 6219 } } // namespace v8::internal |
6210 | 6220 |
6211 #endif // V8_OBJECTS_INL_H_ | 6221 #endif // V8_OBJECTS_INL_H_ |
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