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Revision 2, 0.5 KB
(checked in by pmoura, 7 years ago)
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Initial revision
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| 1 | |
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| 2 | :- protocol(proto_hierarchyp, |
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| 3 | extends(hierarchyp)). |
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| 4 | |
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| 5 | |
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| 6 | :- info([ |
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| 7 | version is 1.0, |
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| 8 | authors is 'Paulo Moura', |
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| 9 | date is 2000/7/24, |
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| 10 | comment is 'Prototype hierarchy protocol.']). |
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| 11 | |
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| 12 | |
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| 13 | :- public(parent/1). |
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| 14 | |
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| 15 | :- mode(parent(?object), zero_or_more). |
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| 16 | |
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| 17 | :- info(parent/1, [ |
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| 18 | comment is 'Returns, by backtracking, all object parents.', |
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| 19 | argnames is ['Parent']]). |
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| 20 | |
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| 21 | |
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| 22 | :- public(parents/1). |
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| 23 | |
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| 24 | :- mode(parents(-list), one). |
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| 25 | |
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| 26 | :- info(parents/1, [ |
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| 27 | comment is 'List of all object parents.', |
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| 28 | argnames is ['Parents']]). |
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| 29 | |
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| 30 | |
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| 31 | :- end_protocol. |
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