}
- // Token-Set //////////////////////////////////////////////////////////////////////////////
+ // Input-Set //////////////////////////////////////////////////////////////////////////////
- static abstract class WalkTokenSet<Tok extends Token> extends Walk<Topology<Tok>> {
+ static abstract class WalkTokenSet<Tok extends Input> extends Walk<Topology<Tok>> {
public Topology<Tok> cs;
public WalkTokenSet(Topology<Tok> cs) { this.cs = cs; }
public WalkTokenSet(Topology<Tok> cs, Cache c) { super(c); this.cs = cs; }
public Topology<Tok> walkAtom(Atom r) { cs = cs.union(r); return cs; }
}
- static class First<Tok extends Token> extends WalkTokenSet<Tok> {
+ static class First<Tok extends Input> extends WalkTokenSet<Tok> {
public First(Topology<Tok> cs, Walk.Cache cache) { super(cs, cache); }
public Topology<Tok> sequence(Sequence seq) {
for(Position p = seq.firstp(); p!=null && !p.isLast(); p = p.next()) {
}
}
- static class Follow<Tok extends Token> extends WalkTokenSet<Tok> {
+ static class Follow<Tok extends Input> extends WalkTokenSet<Tok> {
private final Element me;
private final HashSet<Element> all;
private boolean eof = false;
public HashMap<Element,Topology> follow = new HashMap<Element,Topology>();
public HashMapBag<Element,Element> ys = new HashMapBag<Element,Element>();
public HashMap<Element,Topology> atoms = new HashMap<Element,Topology>();
- public <Tok extends Token> Topology<Tok> first(Element e, Topology<Tok> empty) {
+ public <Tok extends Input> Topology<Tok> first(Element e, Topology<Tok> empty) {
return new Walk.First<Tok>(empty, this).walk(e);
}
}