Examples with Unknown catdata.fql.decl.SigExp.Unknown used on opensource projects

Example 1 with Unknown

use of catdata.fql.decl.SigExp.Unknown in project fql by CategoricalData.

the class FQLParser method toSchema.

@SuppressWarnings({ "rawtypes", "unchecked" })
private static SigExp toSchema(Object o) {
    try {
        Tuple3<?, ?, ?> t = (Tuple3<?, ?, ?>) o;
        Token z = (Token) t.b;
        String y = z.toString();
        switch(y) {
            case "+":
                return new SigExp.Plus(toSchema(t.a), toSchema(t.c));
            case "*":
                return new SigExp.Times(toSchema(t.a), toSchema(t.c));
            case "^":
                return new SigExp.Exp(toSchema(t.a), toSchema(t.c));
            case "union":
                return new Union(toSchema(t.a), toSchema(t.c));
            default:
                break;
        }
    } catch (RuntimeException cce) {
    }
    try {
        org.jparsec.functors.Pair p = (org.jparsec.functors.Pair) o;
        if (p.a.toString().equals("unit")) {
            return new SigExp.One(new HashSet<>((Collection<String>) p.b));
        } else if (p.a.toString().equals("opposite")) {
            return new SigExp.Opposite(toSchema(p.b));
        }
    } catch (RuntimeException cce) {
    }
    try {
        if (o.toString().equals("void")) {
            return new SigExp.Zero();
        } else if (o.toString().equals("?")) {
            return new Unknown("?" + unknown_idx++);
        }
        throw new RuntimeException();
    } catch (RuntimeException cce) {
    }
    try {
        return toSchemaConst(o);
    } catch (RuntimeException cce) {
    }
    return new SigExp.Var(o.toString());
}