package edu.berkeley.sbp;
import edu.berkeley.sbp.*;
-import edu.berkeley.sbp.*;
import edu.berkeley.sbp.util.*;
+import edu.berkeley.sbp.bind.*;
import java.io.*;
import java.util.*;
import java.lang.reflect.*;
final T head;
Tree<T>[] children;
- final Input.Location location;
+ final Input.Region location;
public T head() { return head; }
public int numChildren() { return children.length; }
public Iterator<Tree<T>> iterator() { return new ArrayIterator(children); }
public Tree<T> child(int i) { return children[i]; }
- public Input.Location getLocation() { return location; }
+ public Input.Region getRegion() { return location; }
- public Tree(Input.Location loc, T head) { this(loc, head, null); }
- public Tree(Input.Location loc, T head, Tree<T>[] children) {
+ public Tree(Input.Region loc, T head) { this(loc, head, null); }
+ public Tree(Input.Region loc, T head, Tree<T>[] children) {
this.location = loc;
this.head = head;
protected String headToString() { return head==null?null:head.toString(); }
protected String headToJava() {
+ // FIXME
if (head==null) return null;
if (head instanceof ToJava) {
StringBuffer sb = new StringBuffer();
((ToJava)head).toJava(sb);
return sb.toString();
}
- return head==null?"null":("\""+StringUtil.toJavaString(head.toString())+"\"");
+ return (head==null?"null":("\""+StringUtil.toJavaString(head.toString())+"\""));
}
protected String left() { return "{"; }
protected String right() { return "}"; }
}
}
+ public static class RawBindingFunctor<T> implements TreeFunctor<T,Object>, ToJava {
+ private Binding _binding;
+ public void toJava(StringBuffer sb) {
+ sb.append("new Tree.RawBindingFunctor(");
+ _binding.toJava(sb);
+ sb.append(")");
+ }
+ public RawBindingFunctor(Binding binding) {
+ this._binding = binding;
+ }
+ public Object invoke(Iterable<Tree<T>> t) {
+ return _binding.invoke(new Object[] { t });
+ }
+ }
+
+ public static class BindingFunctor<T> implements TreeFunctor<T,Object>, ToJava {
+ private Binding _binding;
+ public BindingFunctor(Binding binding) {
+ this._binding = binding;
+ }
+ public void toJava(StringBuffer sb) {
+ sb.append("new Tree.BindingFunctor(");
+ _binding.toJava(sb);
+ sb.append(")");
+ }
+ public Object invoke(Iterable<Tree<T>> t) {
+ ArrayList ret = new ArrayList();
+ for(Tree tc : t) {
+ if (tc.head() != null && tc.head() instanceof Functor)
+ ret.add(((Tree.TreeFunctor<Object,Object>)tc.head()).invoke(tc.children()));
+ else if (tc.numChildren() == 0)
+ ret.add(tc.head());
+ else {
+ System.err.println("FIXME: don't know what to do about " + tc);
+ ret.add(null);
+ }
+ }
+ Object[] o = (Object[])ret.toArray(new Object[0]);
+ return _binding.invoke(o);
+ }
+ }
+
}