Esempio n. 1
0
        public override Predicate exec( Prolog engine )
        {
            engine.setB0();
            Term a1, a2, a3, a4;
            Predicate p1, p2, p3, p4, p5, p6;
            a1 = arg1.Dereference();
            a2 = arg2.Dereference();

            a3 = engine.makeVariable();
            a4 = engine.makeVariable();
            p1 = new Predicates.Line_3(a4, a1, s2, cont);
            p2 = new Predicates.dollar_plus_3(a2, s2, a4, p1);
            p3 = new Predicates.Line_3(a2, a1, s2, p2);
            p4 = new Predicates.Line_3(a3, a2, s1, p3);
            p5 = new Predicates.dollar_plus_3(a1, s2, a3, p4);
            p6 = new Predicates.Line_3(a1, a2, s1, p5);
            return new Predicates.Include_Ind_Pos_2(a1, a2, p6);
        }
Esempio n. 2
0
        public override Predicate exec( Prolog engine )
        {
            Term a1, a2, a3;
            Predicate p1, p2, p3;
            a1 = engine.aregs[1].Dereference();
            a2 = engine.aregs[2].Dereference();
            Predicate cont = engine.cont;

            a3 = engine.makeVariable();
            p1 = new Predicates.dollar_fail_0(cont);
            p2 = new Predicates.dollar_cut_1(a3, p1);
            p3 = new Predicates.Line_3(a1, a2, s1, p2);
            return new Predicates.dollar_getLevel_1(a3, p3);
        }
Esempio n. 3
0
        public override Predicate exec( Prolog engine )
        {
            Term a1, a2, a3, a4, a5, a6;
            Predicate p1, p2, p3, p4;
            a1 = engine.aregs[1].Dereference();
            a2 = engine.aregs[2].Dereference();
            a3 = engine.aregs[3].Dereference();
            a4 = engine.aregs[4].Dereference();
            Predicate cont = engine.cont;

            if ( !s1.Unify(a3, engine.trail) ) return engine.fail();
            if ( !s2.Unify(a4, engine.trail) ) return engine.fail();
            a5 = engine.makeVariable();
            a6 = engine.makeVariable();
            p1 = new Predicates.Line_3(a6, a1, s3, cont);
            p2 = new Predicates.dollar_plus_3(a2, s3, a6, p1);
            p3 = new Predicates.Line_3(a2, a1, s3, p2);
            p4 = new Predicates.Line_3(a5, a2, s1, p3);
            return new Predicates.dollar_plus_3(a1, s3, a5, p4);
        }