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); }
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); }
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); }