Examples with Apply catdata.fql.decl.MapExp.Apply used on opensource projects

Example 1 with Apply

use of catdata.fql.decl.MapExp.Apply in project fql by CategoricalData.

the class FQLParser method toMapping.

@SuppressWarnings({ "rawtypes", "unchecked" })
private static MapExp toMapping(Object o) {
    try {
        Tuple3 p = (Tuple3) o;
        Object p2 = p.b;
        Object p3 = p.c;
        Object o1 = p.a;
        String p1 = p.a.toString();
        if (p1.equals("fst")) {
            return new Fst(toSchema(p2), toSchema(p3));
        } else if (p1.equals("snd")) {
            return new Snd(toSchema(p2), toSchema(p3));
        } else if (p1.equals("unit")) {
            return new TT(toSchema(p3), new HashSet<>((Collection<String>) p2));
        } else if (p1.equals("subschema")) {
            return new Sub(toSchema(p2), toSchema(p3));
        } else if (p1.equals("inl")) {
            return new Inl(toSchema(p2), toSchema(p3));
        } else if (p1.equals("inr")) {
            return new Inr(toSchema(p2), toSchema(p3));
        } else if (p1.equals("iso1")) {
            return new Iso(true, toSchema(p2), toSchema(p3));
        } else if (p1.equals("iso2")) {
            return new Iso(false, toSchema(p2), toSchema(p3));
        } else if (p1.equals("eval")) {
            return new Apply(toSchema(p2), toSchema(p3));
        } else if (p2.toString().equals("then")) {
            return new MapExp.Comp(toMapping(o1), toMapping(p3));
        } else if (p2.toString().equals("*")) {
            return new Prod(toMapping(o1), toMapping(p3));
        } else if (p2.toString().equals("+")) {
            return new Case(toMapping(o1), toMapping(p3));
        }
    } catch (RuntimeException re) {
    }
    if (o instanceof Tuple5) {
        Tuple5 p = (Tuple5) o;
        Object p2 = p.c;
        Object p3 = p.e;
        Object o1 = p.a;
        return toMapConst(o1, toSchema(p2), toSchema(p3));
    }
    try {
        org.jparsec.functors.Pair p = (org.jparsec.functors.Pair) o;
        String p1 = p.a.toString();
        Object p2 = p.b;
        switch(p1) {
            case "id":
                return new Id(toSchema(p2));
            case "curry":
                return new Curry(toMapping(p2));
            case "void":
                return new FF(toSchema(p2));
            case "opposite":
                return new Opposite(toMapping(p2));
            default:
                break;
        }
    } catch (RuntimeException re) {
    }
    if (o instanceof String) {
        return new MapExp.Var(o.toString());
    }
    throw new RuntimeException("Cannot parse " + o);
}