X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FUnion.java;h=b690450eb60823bcbf1ceb8c996d070bf001458c;hp=8780d9ea02df515179df4827dc41658897cc3681;hb=c366dacc334fe2e35835164f5a37d3eebb2ca6d5;hpb=6b53048f4413f3c618acc3581d0b4f60a236a9bc

diff --git a/src/edu/berkeley/sbp/Union.java b/src/edu/berkeley/sbp/Union.java
index 8780d9e..b690450 100644
--- a/src/edu/berkeley/sbp/Union.java
+++ b/src/edu/berkeley/sbp/Union.java
@@ -15,6 +15,7 @@ public class Union extends Element implements Iterable<Sequence> {
     private final List<Sequence> alternatives = new ArrayList<Sequence>();
 
     public Iterator<Sequence> iterator() { return alternatives.iterator(); }
+    public boolean contains(Sequence s) { return alternatives.contains(s); }
 
     Topology toAtom() {
         if (alternatives.size()==0) throw new RuntimeException("cannot build an Atom from a Union with no productions");
@@ -29,7 +30,13 @@ public class Union extends Element implements Iterable<Sequence> {
     }
 
     /** adds an alternative */
-    public void add(Sequence s) { alternatives.add(s); }
+    public void add(Sequence s) {
+        alternatives.add(s);
+        if (/*!synthetic &&*/ shortForm!=null
+            //&& Character.isUpperCase(shortForm.charAt(0))
+            )
+            s.setName(toString());
+    }
 
     /**
      *  Since every cycle in a non-degenerate grammar contains at