protected abstract Topology<T> top();
public abstract String toString();
- public Topology toAtom() { return this; }
-
// Topology Thunks //////////////////////////////////////////////////////////////////////////////
public Topology<T> unwrap() { return top().unwrap(); }
public static class Infer<T extends Input> extends Atom<T> {
private final Element e;
public Infer(Element e) { this.e = e; }
- public Topology<T> top() { return (Topology<T>)e.toAtom(); }
+ public Topology<T> top() { return (Topology<T>)toAtom(e); }
public String toString() { return e.toString(); /* FIXME should be toAtom() */ }
}
public Topology<T> top() { return ((Topology<T>)a.top()).complement(); }
public String toString() { return "~"+a; }
}
+
+ static Topology toAtom(Element e) {
+ if (e instanceof Atom) return (Atom)e;
+ if (e instanceof Sequence) return ((Sequence)e).toAtom();
+ Topology ret = null;
+ for(Sequence s : (Union)e)
+ ret = ret==null ? toAtom(s) : ret.union(s.toAtom());
+ return ret;
+ }
}