*/
public void reduce(Position r, int pos, Phase target, Forest[] holder, Node only, Forest pending) {
Forest old = holder[pos];
- holder[pos] = pending;
- if (pos==0) {
-
- // FIXME: I'm unsure about this -- basically we want to deal with the case where
- // there are two nodes, each of whose Ref points to the same Forest instance.
- // Some node in the next phase has both of these as parents. This might happen
- // since the same reduction can appear in more than one state.
-
- for(Forest result : results())
- for(Node child : ((Forest.Ref<?>)result).parents) {
- if (only != null && child!=only) continue;
- pending = holder[pos] = result;
+
+ // FIXME: I'm unsure about this -- basically we want to deal with the case where
+ // there are two nodes, each of whose Ref points to the same Forest instance.
+ // Some node in the next phase has both of these as parents. This might happen
+ // since the same reduction can appear in more than one state.
+
+ for(Forest result : results())
+ for(Node child : ((Forest.Ref<?>)result).parents) {
+ if (only != null && child!=only) continue;
+ pending = holder[pos] = result;
+ if (pos==0) {
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) singularReductions.put(pending, r, rex);
}
child.finish(r, rex, target, holder);
- }
- } else {
- for(Forest result : results())
- for(Node child : ((Forest.Ref<?>)result).parents) {
- if (only!=null && child!=only) continue;
- holder[pos] = result;
+ } else {
child.reduce(r, pos-1, target, holder, null, null);
}
- }
+ }
+
holder[pos] = old;
}
+
// DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
new edu.berkeley.sbp.Tree(null, "grammar", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "G", new edu.berkeley.sbp.Tree[] { }),
new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
+