- if (r.pos==1) rex = singularReductions.get(this.pending(), r);
- if (rex==null) {
- rex = r.rewrite(phase().getLocation());
- if (r.pos==1) singularReductions.put(this.pending(), r, rex);
+
+ if (only != null) {
+ holder[pos] = pending(only);
+ System.arraycopy(holder, 0, r.holder, 0, holder.length);
+ for(int i=0; i<r.pos; i++) if (r.holder[i]==null) throw new Error("realbad");
+ Forest rex = null;
+ if (r.pos==1) rex = singularReductions.get(pending, r);
+ if (rex==null) {
+ rex = r.rewrite(phase().getLocation());
+ if (r.pos==1) singularReductions.put(pending, r, rex);
+ }
+ only.finish(r, rex, target, holder);
+ } else {
+ for(Forest result : results()) {
+ pending = holder[pos] = result;
+ System.arraycopy(holder, 0, r.holder, 0, holder.length);
+ for(int i=0; i<r.pos; i++) if (r.holder[i]==null) throw new Error("realbad");
+ Forest rex = null;
+ if (rex==null && r.pos==1) rex = singularReductions.get(pending, r);
+ if (rex==null) {
+ rex = r.rewrite(phase().getLocation());
+ if (r.pos==1) singularReductions.put(pending, r, rex);
+ }
+ for(Node child : parents()) {
+ if (pending(child)==result)
+ child.finish(r, rex, target, holder);
+ }
+ }