| 1 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 2 | % |
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| 3 | % Logtalk - Object oriented extension to Prolog |
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| 4 | % Release 2.9.3 |
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| 5 | % |
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| 6 | % configuration file for Amzi! Prolog 4.103, 5.0 |
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| 7 | % |
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| 8 | % last updated: December 30, 2001 |
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| 9 | % |
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| 10 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 11 | |
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| 12 | |
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| 13 | |
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| 14 | |
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| 15 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 16 | % |
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| 17 | % ISO Prolog Standard predicates that we must define because they are |
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| 18 | % not built-in |
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| 19 | % |
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| 20 | % add a clause for lgt_iso_predicate/1 declaring each ISO predicate that |
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| 21 | % we must define; there must be at least one clause for this predicate |
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| 22 | % whose call should fail if we don't define any ISO predicates |
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| 23 | % |
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| 24 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 25 | |
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| 26 | |
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| 27 | initialization(Goal) :- |
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| 28 | call(Goal). |
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| 29 | |
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| 30 | |
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| 31 | |
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| 32 | % lgt_iso_predicate(?callable). |
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| 33 | |
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| 34 | lgt_iso_predicate(close(_)). |
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| 35 | lgt_iso_predicate(compound(_)). |
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| 36 | lgt_iso_predicate(copy_term(_, _)). |
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| 37 | lgt_iso_predicate(number_codes(_, _)). |
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| 38 | lgt_iso_predicate(open(_, _, _)). |
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| 39 | lgt_iso_predicate(read_term(_, _, _)). |
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| 40 | lgt_iso_predicate(write_term(_, _, _)). |
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| 41 | |
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| 42 | |
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| 43 | close(Stream) :- |
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| 44 | fclose(Stream). |
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| 45 | |
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| 46 | |
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| 47 | compound(Term) :- |
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| 48 | structure(Term). |
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| 49 | |
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| 50 | |
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| 51 | copy_term(Term, Copy) :- |
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| 52 | asserta(lgt_copy_term_(Term)), |
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| 53 | retract(lgt_copy_term_(Copy)). |
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| 54 | |
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| 55 | |
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| 56 | number_codes(Number, Codes) :- |
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| 57 | string_integer(String, Number), |
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| 58 | string_list(String, Codes). |
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| 59 | |
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| 60 | |
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| 61 | open(File, read, Stream) :- |
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| 62 | fopen(Stream, File, r). |
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| 63 | |
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| 64 | open(File, write, Stream) :- |
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| 65 | fopen(Stream, File, w). |
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| 66 | |
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| 67 | |
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| 68 | read_term(Stream, Term, [singletons([])]) :- |
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| 69 | !, |
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| 70 | read(Stream, Term2), |
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| 71 | (Term2 = '!EOF' -> Term = end_of_file; Term = Term2). |
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| 72 | |
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| 73 | read_term(Stream, Term, _) :- |
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| 74 | read(Stream, Term2), |
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| 75 | (Term2 = '!EOF' -> Term = end_of_file; Term = Term2). |
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| 76 | |
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| 77 | |
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| 78 | write_term(Stream, Term, [quoted(true)]) :- |
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| 79 | !, |
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| 80 | writeq(Stream, Term). |
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| 81 | |
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| 82 | write_term(Stream, Term, _) :- |
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| 83 | write(Stream, Term). |
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| 84 | |
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| 85 | |
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| 86 | |
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| 87 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 88 | % |
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| 89 | % predicate properties |
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| 90 | % |
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| 91 | % this predicate must return at least static, dynamic and built_in |
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| 92 | % properties for an existing predicate |
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| 93 | % |
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| 94 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 95 | |
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| 96 | |
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| 97 | % lgt_predicate_property(+callable, ?predicate_property) |
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| 98 | |
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| 99 | lgt_predicate_property(Predicate, built_in) :- |
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| 100 | builtin(Predicate). |
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| 101 | |
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| 102 | lgt_predicate_property(Predicate, static) :- |
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| 103 | is$code(Predicate, 1). |
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| 104 | |
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| 105 | lgt_predicate_property(Predicate, dynamic) :- |
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| 106 | functor(Predicate, Functor, Arity), |
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| 107 | current_predicate(Functor/Arity), |
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| 108 | \+ is$code(Predicate, _). |
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| 109 | |
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| 110 | |
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| 111 | builtin(F/A) :- !, builtin(F, A). |
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| 112 | builtin(T) :- functor(T, F, A), builtin(F, A). |
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| 113 | |
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| 114 | builtin(!, 0). |
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| 115 | |
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| 116 | builtin(\+, 2). |
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| 117 | |
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| 118 | builtin(\=, 2). |
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| 119 | builtin(=, 2). |
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| 120 | |
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| 121 | builtin(=.., 2). |
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| 122 | |
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| 123 | builtin(@=<, 2). |
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| 124 | builtin(==, 2). |
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| 125 | builtin(\==, 2). |
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| 126 | builtin(@<, 2). |
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| 127 | builtin(@>, 2). |
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| 128 | builtin(@>=, 2). |
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| 129 | |
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| 130 | builtin(=<, 2). |
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| 131 | builtin(=:=, 2). |
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| 132 | builtin(=\=, 2). |
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| 133 | builtin(<, 2). |
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| 134 | builtin(>, 2). |
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| 135 | builtin(>=, 2). |
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| 136 | |
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| 137 | builtin(-, 1). |
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| 138 | builtin(-, 2). |
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| 139 | builtin(+, 2). |
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| 140 | builtin(*, 2). |
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| 141 | builtin(/, 2). |
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| 142 | builtin(//, 2). |
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| 143 | builtin(mod, 2). |
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| 144 | builtin(^, 2). |
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| 145 | builtin(\, 1). |
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| 146 | builtin(<<, 2). |
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| 147 | builtin(>>, 2). |
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| 148 | |
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| 149 | builtin(abolish, 1). |
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| 150 | builtin(abolish, 2). |
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| 151 | builtin(abort, 1). |
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| 152 | builtin(add, 1). |
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| 153 | builtin(arg, 3). |
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| 154 | builtin(assert, 1). |
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| 155 | builtin(asserta, 1). |
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| 156 | builtin(assertz, 1). |
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| 157 | builtin(atom, 1). |
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| 158 | builtin(atom_codes, 2). |
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| 159 | builtin(atomic, 1). |
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| 160 | builtin(atom_concat, 3). |
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| 161 | builtin(atom_length, 2). |
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| 162 | builtin(atom_uplow, 2). |
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| 163 | builtin(atomlist_concat, 2). |
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| 164 | builtin(bagof, 3). |
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| 165 | builtin(builtin, 1). |
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| 166 | builtin(builtin, 2). |
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| 167 | builtin(call, 1). |
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| 168 | builtin(catch, 3). |
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| 169 | builtin(clause, 2). |
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| 170 | builtin(clause, 3). |
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| 171 | builtin(closelog, 0). |
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| 172 | builtin(cntr_dec, 2). |
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| 173 | builtin(cntr_get, 2). |
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| 174 | builtin(cntr_inc, 2). |
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| 175 | builtin(cntr_set, 2). |
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| 176 | builtin(command_line, 1). |
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| 177 | builtin(compare, 3). |
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| 178 | builtin(compare_lists,3). |
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| 179 | builtin(consult, 1). |
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| 180 | builtin(consult_ops, 1). |
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| 181 | builtin(consult_project, 1). |
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| 182 | builtin(current_atom, 1). |
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| 183 | builtin(current_op, 3). |
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| 184 | builtin(current_prolog_flag, 2). |
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| 185 | builtin(current_predicate, 1). |
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| 186 | builtin(current_streams, 3). |
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| 187 | builtin(current_user, 3). |
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| 188 | builtin(cut_tag, 1). |
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| 189 | builtin(date, 3). |
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| 190 | builtin(db_ref, 3). |
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| 191 | builtin(defined, 1). |
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| 192 | builtin(display, 1). |
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| 193 | builtin(erase, 1). |
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| 194 | builtin(eraseall, 1). |
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| 195 | builtin(err_raise, 1). |
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| 196 | builtin(expand_term, 2). |
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| 197 | builtin(fail, 0). |
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| 198 | builtin(fatalerrors, 0). |
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| 199 | builtin(fatalerrors, 1). |
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| 200 | builtin(fclose, 1). |
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| 201 | builtin(fflush, 1). |
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| 202 | builtin(fileerrors, 0). |
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| 203 | builtin(fileerrors, 1). |
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| 204 | builtin(file_exists, 1). |
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| 205 | builtin(file_exists, 2). |
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| 206 | builtin(findall, 3). |
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| 207 | builtin(findfiles, 3). |
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| 208 | builtin(float, 1). |
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| 209 | builtin(flush_in, 0). |
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| 210 | builtin(flush_out, 0). |
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| 211 | builtin(fseek, 4). |
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| 212 | builtin(fread, 3). |
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| 213 | builtin(fwrite, 3). |
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| 214 | builtin(functor, 3). |
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| 215 | builtin(fopen, 3). |
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| 216 | builtin(for, 4). |
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| 217 | builtin(gc, 0). |
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| 218 | builtin(gensym, 2). |
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| 219 | builtin(get, 1). |
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| 220 | builtin(get, 2). |
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| 221 | builtin(get0, 1). |
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| 222 | builtin(get0, 2). |
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| 223 | builtin(get1, 1). |
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| 224 | builtin(get1, 2). |
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| 225 | builtin(get_mode, 2). |
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| 226 | builtin(get_preds, 1). |
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| 227 | builtin(halt, 0). |
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| 228 | builtin(handle_name, 2). |
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| 229 | builtin(help, 0). |
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| 230 | builtin(help, 1). |
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| 231 | builtin(keyb, 1). |
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| 232 | builtin(integer, 1). |
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| 233 | builtin(instance, 1). |
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| 234 | builtin(is, 2). |
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| 235 | builtin(islist, 1). |
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| 236 | builtin(latent_exp, 0). |
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| 237 | builtin(latent_opdef, 0). |
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| 238 | builtin(lint, 0). |
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| 239 | builtin(lint, 1). |
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| 240 | builtin(list, 1). |
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| 241 | builtin(listing, 0). |
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| 242 | builtin(listing, 1). |
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| 243 | builtin(load, 1). |
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| 244 | builtin(long, 1). |
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| 245 | builtin(nl, 0). |
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| 246 | builtin(nl, 1). |
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| 247 | builtin(nllog, 0). |
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| 248 | builtin(nonblank_string, 1). |
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| 249 | builtin(nofatalerrors, 0). |
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| 250 | builtin(nofileerrors, 0). |
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| 251 | builtin(nolint, 0). |
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| 252 | builtin(nonvar, 1). |
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| 253 | builtin(noprotect_db, 0). |
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| 254 | builtin(not, 1). |
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| 255 | builtin(number, 1). |
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| 256 | builtin(numbervars, 3). |
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| 257 | builtin(once, 1). |
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| 258 | builtin(openlog, 1). |
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| 259 | builtin(op, 3). |
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| 260 | builtin(phrase, 2). |
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| 261 | builtin(phrase, 3). |
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| 262 | builtin(press_any_key, 0). |
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| 263 | builtin(protect_db, 0). |
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| 264 | builtin(protect_db, 1). |
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| 265 | builtin(put, 1). |
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| 266 | builtin(put, 2). |
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| 267 | builtin(read, 1). |
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| 268 | builtin(read, 2). |
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| 269 | builtin(read_string, 1). |
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| 270 | builtin(read_string, 2). |
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| 271 | builtin(reconsult, 1). |
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| 272 | builtin(reconsult_project, 1). |
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| 273 | builtin(record, 3). |
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| 274 | builtin(recorda, 3). |
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| 275 | builtin(recordz, 3). |
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| 276 | builtin(recorded, 3). |
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| 277 | builtin(reload, 1). |
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| 278 | builtin(remove_dups,2). |
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| 279 | builtin(repeat, 0). |
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| 280 | builtin(replace, 0). |
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| 281 | builtin(respkey, 1). |
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| 282 | builtin(retract, 1). |
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| 283 | builtin(retractall, 1). |
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| 284 | builtin(see, 1). |
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| 285 | builtin(seeing, 1). |
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| 286 | builtin(seen, 0). |
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| 287 | builtin(seentold, 0). |
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| 288 | builtin(seetell, 1). |
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| 289 | builtin(setof, 3). |
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| 290 | builtin(set_errors, 1). |
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| 291 | builtin(set_mode, 2). |
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| 292 | builtin(set_prolog_flag, 2). |
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| 293 | builtin(short, 1). |
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| 294 | builtin(skip, 1). |
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| 295 | builtin(skip, 2). |
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| 296 | builtin(sort, 2). |
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| 297 | builtin(strcat, 3). |
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| 298 | builtin(stream_type, 2). |
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| 299 | builtin(string, 1). |
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| 300 | builtin(string_atom, 2). |
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| 301 | builtin(string_integer, 2). |
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| 302 | builtin(string_length, 2). |
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| 303 | builtin(string_list, 2). |
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| 304 | builtin(string_term, 2). |
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| 305 | builtin(stringlist_concat, 3). |
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| 306 | builtin(structure, 1). |
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| 307 | builtin(sub_atom, 4). |
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| 308 | builtin(sub_string, 4). |
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| 309 | builtin(substring, 4). |
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| 310 | builtin(tab, 1). |
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| 311 | builtin(tab, 2). |
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| 312 | builtin(tell, 1). |
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| 313 | builtin(telling, 1). |
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| 314 | builtin(throw, 1). |
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| 315 | builtin(told, 0). |
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| 316 | builtin(unget0, 1). |
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| 317 | builtin(unget0, 2). |
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| 318 | builtin(unload, 1). |
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| 319 | builtin(tab, 1). |
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| 320 | builtin(tab, 2). |
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| 321 | builtin(tag, 1). |
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| 322 | builtin(tell, 1). |
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| 323 | builtin(tell, 2). |
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| 324 | builtin(telling, 1). |
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| 325 | builtin(told, 0). |
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| 326 | builtin(true, 0). |
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| 327 | builtin(var, 1). |
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| 328 | builtin(varlist, 1). |
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| 329 | builtin(varsof, 2). |
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| 330 | builtin(verbose, 0). |
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| 331 | builtin(verbose, 1). |
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| 332 | builtin(write, 1). |
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| 333 | builtin(write, 2). |
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| 334 | builtin(writelog, 1). |
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| 335 | builtin(writeq, 1). |
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| 336 | builtin(writeq, 2). |
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| 337 | |
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| 338 | |
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| 339 | |
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| 340 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 341 | % |
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| 342 | % metapredicates |
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| 343 | % |
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| 344 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 345 | |
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| 346 | |
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| 347 | abort :- |
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| 348 | abort(0). |
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| 349 | |
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| 350 | |
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| 351 | % forall(+callable, +callble) |
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| 352 | |
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| 353 | forall(Generate, Test) :- |
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| 354 | \+ call((Generate, \+ call(Test))). |
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| 355 | |
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| 356 | |
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| 357 | % lgt_call/2-8 |
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| 358 | % |
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| 359 | % use these definitions only if your compiler does |
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| 360 | % not provide call/1-8 as built-in predicates |
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| 361 | |
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| 362 | lgt_call(F, A) :- |
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| 363 | Call =.. [F, A], |
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| 364 | call(Call). |
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| 365 | |
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| 366 | |
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| 367 | lgt_call(F, A1, A2) :- |
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| 368 | Call =.. [F, A1, A2], |
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| 369 | call(Call). |
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| 370 | |
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| 371 | |
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| 372 | lgt_call(F, A1, A2, A3) :- |
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| 373 | Call =.. [F, A1, A2, A3], |
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| 374 | call(Call). |
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| 375 | |
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| 376 | |
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| 377 | lgt_call(F, A1, A2, A3, A4) :- |
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| 378 | Call =.. [F, A1, A2, A3, A4], |
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| 379 | call(Call). |
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| 380 | |
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| 381 | |
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| 382 | lgt_call(F, A1, A2, A3, A4, A5) :- |
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| 383 | Call =.. [F, A1, A2, A3, A4, A5], |
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| 384 | call(Call). |
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| 385 | |
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| 386 | |
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| 387 | lgt_call(F, A1, A2, A3, A4, A5, A6) :- |
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| 388 | Call =.. [F, A1, A2, A3, A4, A5, A6], |
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| 389 | call(Call). |
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| 390 | |
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| 391 | |
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| 392 | lgt_call(F, A1, A2, A3, A4, A5, A6, A7) :- |
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| 393 | Call =.. [F, A1, A2, A3, A4, A5, A6, A7], |
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| 394 | |
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| 395 | call(Call). |
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| 396 | |
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| 397 | |
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| 398 | % lgt_once/2-8 |
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| 399 | % |
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| 400 | % if your compiler provides call/1-8 as built-in |
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| 401 | % predicates rewrite these definitions using call(...), !. |
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| 402 | |
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| 403 | lgt_once(F, A) :- |
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| 404 | Call =.. [F, A], |
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| 405 | once(Call). |
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| 406 | |
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| 407 | |
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| 408 | lgt_once(F, A1, A2) :- |
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| 409 | Call =.. [F, A1, A2], |
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| 410 | once(Call). |
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| 411 | |
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| 412 | |
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| 413 | lgt_once(F, A1, A2, A3) :- |
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| 414 | Call =.. [F, A1, A2, A3], |
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| 415 | once(Call). |
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| 416 | |
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| 417 | |
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| 418 | lgt_once(F, A1, A2, A3, A4) :- |
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| 419 | Call =.. [F, A1, A2, A3, A4], |
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| 420 | once(Call). |
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| 421 | |
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| 422 | |
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| 423 | lgt_once(F, A1, A2, A3, A4, A5) :- |
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| 424 | Call =.. [F, A1, A2, A3, A4, A5], |
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| 425 | once(Call). |
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| 426 | |
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| 427 | |
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| 428 | lgt_once(F, A1, A2, A3, A4, A5, A6) :- |
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| 429 | Call =.. [F, A1, A2, A3, A4, A5, A6], |
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| 430 | once(Call). |
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| 431 | |
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| 432 | |
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| 433 | lgt_once(F, A1, A2, A3, A4, A5, A6, A7) :- |
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| 434 | Call =.. [F, A1, A2, A3, A4, A5, A6, A7], |
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| 435 | once(Call). |
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| 436 | |
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| 437 | |
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| 438 | |
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| 439 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 440 | % |
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| 441 | % file extension predicates |
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| 442 | % |
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| 443 | % these extensions are used by Logtalk load/compile predicates |
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| 444 | % |
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| 445 | % you may want to change the extension for Prolog files to match |
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| 446 | % the one expected by your Prolog compiler |
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| 447 | % |
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| 448 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 449 | |
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| 450 | |
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| 451 | % lgt_file_extension(?atom, ?atom) |
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| 452 | |
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| 453 | lgt_file_extension(logtalk, '.lgt'). |
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| 454 | lgt_file_extension(prolog, '.pro'). |
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| 455 | lgt_file_extension(xml, '.xml'). |
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| 456 | |
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| 457 | |
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| 458 | |
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| 459 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 460 | % |
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| 461 | % default flag values |
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| 462 | % |
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| 463 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 464 | |
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| 465 | |
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| 466 | % lgt_default_flag(?atom, ?atom) |
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| 467 | % |
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| 468 | % default values for all flags |
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| 469 | |
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| 470 | lgt_default_flag(iso_initialization_dir, false). |
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| 471 | |
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| 472 | lgt_default_flag(xml, on). |
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| 473 | lgt_default_flag(xsl, 'lgtxml.xsl'). |
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| 474 | |
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| 475 | lgt_default_flag(unknown, warning). |
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| 476 | lgt_default_flag(misspelt, warning). |
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| 477 | lgt_default_flag(singletons, warning). |
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| 478 | lgt_default_flag(lgtredef, warning). |
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| 479 | lgt_default_flag(plredef, silent). |
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| 480 | lgt_default_flag(portability, silent). |
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| 481 | |
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| 482 | lgt_default_flag(report, on). |
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| 483 | |
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| 484 | |
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| 485 | |
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| 486 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 487 | % |
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| 488 | % list predicates |
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| 489 | % |
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| 490 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 491 | |
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| 492 | |
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| 493 | lgt_append([], List, List). |
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| 494 | lgt_append([Head| Tail], List, [Head| Tail2]) :- |
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| 495 | lgt_append(Tail, List, Tail2). |
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| 496 | |
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| 497 | |
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| 498 | lgt_member(Head, [Head| _]). |
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| 499 | lgt_member(Head, [_| Tail]) :- |
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| 500 | lgt_member(Head, Tail). |
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| 501 | |
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| 502 | |
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| 503 | lgt_member_var(V, [H| _]) :- |
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| 504 | V == H. |
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| 505 | lgt_member_var(V, [_| T]) :- |
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| 506 | lgt_member_var(V, T). |
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| 507 | |
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| 508 | |
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| 509 | lgt_proper_list([]). |
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| 510 | lgt_proper_list([_| List]) :- |
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| 511 | lgt_proper_list(List). |
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| 512 | |
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| 513 | |
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| 514 | |
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| 515 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 516 | % |
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| 517 | % file predicates |
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| 518 | % |
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| 519 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 520 | |
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| 521 | |
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| 522 | % lgt_file_exists(+atom) |
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| 523 | % |
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| 524 | % see if a file exist in the current directory |
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| 525 | |
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| 526 | lgt_file_exists(File) :- |
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| 527 | file_exists(File). |
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| 528 | |
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| 529 | |
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| 530 | % lgt_load_prolog_code(+atom) |
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| 531 | % |
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| 532 | % compile and load a Prolog file |
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| 533 | |
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| 534 | lgt_load_prolog_code(File) :- |
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| 535 | reconsult(File). |
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| 536 | |
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| 537 | |
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| 538 | |
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| 539 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 540 | % |
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| 541 | % sorting predicates |
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| 542 | % |
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| 543 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 544 | |
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| 545 | |
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| 546 | % lgt_keysort(+list, -list) |
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| 547 | |
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| 548 | lgt_keysort(List, Sorted) :- |
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| 549 | throw(error(not_implemented, keysort/2)). |
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| 550 | |
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| 551 | |
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| 552 | % lgt_sort(+list, -list) |
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| 553 | |
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| 554 | lgt_sort(List, Sorted) :- |
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| 555 | sort(List, Sorted). |
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| 556 | |
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| 557 | |
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| 558 | |
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| 559 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 560 | % |
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| 561 | % time and date predicates |
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| 562 | % |
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| 563 | % if your Prolog compiler does not provide access to the operating system |
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| 564 | % time and date just write dummy definitions |
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| 565 | % |
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| 566 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 567 | |
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| 568 | |
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| 569 | % lgt_current_date(?Year, ?Month, ?Day) |
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| 570 | |
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| 571 | lgt_current_date(Year, Month, Day) :- |
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| 572 | date(Month, Day, Year). |
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| 573 | |
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| 574 | |
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| 575 | % lgt_current_time(?Hours, ?Mins, ?Secs) |
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| 576 | |
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| 577 | lgt_current_time(Hours, Mins, Secs) :- |
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| 578 | time(Hours, Mins, Secs). |
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| 579 | |
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| 580 | |
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| 581 | |
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| 582 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 583 | % |
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| 584 | % timing predicate |
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| 585 | % |
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| 586 | % if your Prolog compiler does not provide access to a timing predicate |
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| 587 | % just write dummy definition |
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| 588 | % |
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| 589 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 590 | |
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| 591 | |
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| 592 | % lgt_cpu_time(-Seconds) |
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| 593 | |
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| 594 | |
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| 595 | lgt_cpu_time(Seconds) :- |
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| 596 | Seconds is cputime. |
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| 597 | |
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| 598 | |
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| 599 | |
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| 600 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 601 | % |
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| 602 | % comparison predicate |
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| 603 | % |
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| 604 | % the usual compare/3 definition |
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| 605 | % |
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| 606 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 607 | |
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| 608 | |
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| 609 | % compare(Order, Term1, Term2) -- built-in |
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| 610 | |
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| 611 | |
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| 612 | |
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| 613 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 614 | % |
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| 615 | % end! |
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| 616 | % |
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| 617 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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