public override Predicate exec( Prolog engine )
{
Term a1, a2, a3, a4, a5;
Predicate p1, p2, p3;
a1 = engine.aregs[1].Dereference();
a2 = engine.aregs[2].Dereference();
a3 = engine.aregs[3].Dereference();
a4 = engine.aregs[4].Dereference();
Predicate cont = engine.cont;
a5 = engine.makeVariable();
p1 = new Predicates.dollar_fail_0(cont);
p2 = new Predicates.dollar_cut_1(a5, p1);
p3 = new Predicates.Free_Close_Line_4(a1, a2, a3, a4, p2);
return new Predicates.dollar_getLevel_1(a5, p3);
}
public override Predicate exec( Prolog engine )
{
Term a1, a2, a3, a4, a5;
Predicate p1, p2, p3, p4;
a1 = engine.aregs[1].Dereference();
a2 = engine.aregs[2].Dereference();
a3 = engine.aregs[3].Dereference();
Predicate cont = engine.cont;
a4 = engine.makeVariable();
Term[] h2 = {a1, a2, a3};
a5 = new StructureTerm(f1, h2);
p1 = new Predicates.dollar_fail_0(cont);
p2 = new Predicates.dollar_cut_1(a4, p1);
p3 = new Predicates.Retract_1(a5, p2);
p4 = new Predicates.Free_Close_Line_4(engine.makeVariable(), engine.makeVariable(), engine.makeVariable(), engine.makeVariable(), p3);
return new Predicates.dollar_getLevel_1(a4, p4);
}
public override Predicate exec( Prolog engine )
{
Term a1, a2, a3, a4, a5, a6, a7;
Predicate p1, p2, p3;
a1 = engine.aregs[1].Dereference();
a2 = engine.aregs[2].Dereference();
a3 = engine.aregs[3].Dereference();
a4 = engine.aregs[4].Dereference();
a5 = engine.aregs[5].Dereference();
Predicate cont = engine.cont;
if ( !s1.Unify(a3, engine.trail) ) return engine.fail();
if ( !s2.Unify(a4, engine.trail) ) return engine.fail();
a6 = engine.makeVariable();
Term[] h4 = {a1, a2, s1};
a7 = new StructureTerm(f3, h4);
p1 = new Predicates.dollar_cut_1(a6, cont);
p2 = new Predicates.Assert_1(a7, p1);
p3 = new Predicates.Free_Close_Line_4(a1, a2, s1, a5, p2);
return new Predicates.dollar_getLevel_1(a6, p3);
}