}
if (n==null) return;
Forest[] holder = new Forest[r.position.pos];
- if (r.position.pos==0) r.finish(n, r.zero(), n.phase(), holder);
+ if (r.position.pos==0) n.finish(r, r.zero(), n.phase(), holder);
else r.reduce(n, r.position.pos-1, n.phase(), holder);
} else {
Forest[] holder = new Forest[r.position.pos];
if (pos==0) {
System.arraycopy(holder, 0, r.position.holder, 0, holder.length);
Forest rex = r.position.rewrite(n.phase().getLocation());
- r.finish(n2, rex, n.phase(), holder);
+ n2.finish(r, rex, n.phase(), holder);
} else {
r.reduce(n2, pos-1, n.phase(), holder);
}
holder[pos] = old;
}
}
+
+ public void finish(Reduction r, Forest result, GSS.Phase target, Forest[] holder) {
+ State state0 = state.gotoSetNonTerminals.get(r.position.owner());
+ if (result==null) throw new Error();
+ if (state0!=null)
+ target.newNode(this, result, state0, r.position.pos<=0, r);
+ }
+
public void performEmptyReductions() { state.invokeReductions(token, this, null, null); }
private Node(Node parent, Forest pending, State state) {
public final int idx = master_state_idx++;
private final HashSet<Position> hs;
- private transient HashMap<Element,State> gotoSetNonTerminals = new HashMap<Element,State>();
+ public transient HashMap<Element,State> gotoSetNonTerminals = new HashMap<Element,State>();
private transient TopologicalBag<Token,State> gotoSetTerminals = new TopologicalBag<Token,State>();
private TopologicalBag<Token,Reduction> reductions = new TopologicalBag<Token,Reduction>();
return zero = position.rewrite(null);
}
- public void reduce(GSS.Phase.Node parent, GSS.Phase.Node onlychild) {
- }
-
// FIXME: this could be more elegant and/or cleaner and/or somewhere else
public void reduce(GSS.Phase.Node parent, int pos, GSS.Phase target, Forest[] holder) {
Forest old = holder[pos];
System.arraycopy(holder, 0, position.holder, 0, holder.length);
for(int i=0; i<position.pos; i++) if (position.holder[i]==null) throw new Error("realbad");
Forest rex = position.rewrite(target.getLocation());
- for(GSS.Phase.Node child : parent.parents()) finish(child, rex, target, holder);
+ for(GSS.Phase.Node child : parent.parents()) child.finish(this, rex, target, holder);
} else {
for(GSS.Phase.Node child : parent.parents()) reduce(child, pos-1, target, holder);
}
holder[pos] = old;
}
- public void finish(GSS.Phase.Node parent, Forest result, GSS.Phase target, Forest[] holder) {
- State state = parent.state.gotoSetNonTerminals.get(position.owner());
- if (result==null) throw new Error();
- if (state!=null)
- target.newNode(parent, result, state, position.pos<=0, this);
- }
}
}