// 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.
- if (only != null) {
- for(Forest result : results())
- for(Node child : ((Forest.Ref<?>)result).parents) {
- if (child!=only) continue;
- 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 (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()) {
+ for(Forest result : results())
+ for(Node child : ((Forest.Ref<?>)result).parents) {
+ if (only != null && child!=only) continue;
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 (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 : ((Forest.Ref<?>)result).parents)
- child.finish(r, rex, target, holder);
+ child.finish(r, rex, target, holder);
}
- }
} else {
- if (only != null) {
- for(Forest result : results())
- for(Node child : ((Forest.Ref<?>)result).parents) {
- if (child!=only) continue;
- holder[pos] = result;
- only.reduce(r, pos-1, target, holder, null, null);
- }
- } else {
- for(Forest result : results())
- for(Node child : ((Forest.Ref<?>)result).parents) {
- holder[pos] = result;
- child.reduce(r, pos-1, target, holder, null, null);
- }
- }
+ for(Forest result : results())
+ for(Node child : ((Forest.Ref<?>)result).parents) {
+ if (only!=null && child!=only) continue;
+ holder[pos] = result;
+ child.reduce(r, pos-1, target, holder, null, null);
+ }
}
holder[pos] = old;
}