public Forest reduce(GSS.Phase.Node parent) {
if (numPop==0) return finish(parent, zero(), parent.phase());
- return reduce(parent, numPop-1, null, null, parent.phase());
+ return reduce(parent, numPop-1, null, parent.phase());
}
public Forest reduce(GSS.Phase.Node parent, GSS.Phase.Node onlychild) {
+ if (numPop<=0) throw new Error("called wrong form of reduce()");
int pos = numPop-1;
- if (pos>=0) holder[pos] = parent.pending();
+ holder[pos] = parent.pending();
Forest rex = null;
if (pos==0) {
if (rex==null) {
rex = position.rewrite(parent.phase().getLocation());
}
}
- return reduce(onlychild, pos-1, rex, null, parent.phase());
+ return reduce(onlychild, pos-1, rex, parent.phase());
}
private Forest zero = null;
}
// FIXME: this could be more elegant and/or cleaner and/or somewhere else
- private Forest reduce(GSS.Phase.Node parent, int pos, Forest rex, GSS.Phase.Node onlychild, GSS.Phase target) {
+ private Forest reduce(GSS.Phase.Node parent, int pos, Forest rex, GSS.Phase target) {
if (pos>=0) holder[pos] = parent.pending();
if (pos==0) {
if (rex==null) {
System.arraycopy(holder, 0, position.holder, 0, holder.length);
rex = position.rewrite(target.getLocation());
}
- if (onlychild != null)
- reduce(onlychild, pos-1, rex, null, target);
- else
- for(GSS.Phase.Node child : parent.parents())
- reduce(child, pos-1, rex, null, target);
+ for(GSS.Phase.Node child : parent.parents())
+ reduce(child, pos-1, rex, target);
} else if (pos>0) {
- if (onlychild != null)
- reduce(onlychild, pos-1, rex, null, target);
- else
- for(GSS.Phase.Node child : parent.parents())
- reduce(child, pos-1, rex, null, target);
+ for(GSS.Phase.Node child : parent.parents())
+ reduce(child, pos-1, rex, target);
} else {
return finish(parent, rex, target);
}