checkpoint

[sbp.git] / src / edu / berkeley / sbp / Union.java

diff --git a/src/edu/berkeley/sbp/Union.java b/src/edu/berkeley/sbp/Union.java
index 70a3e45..dce9cbe 100644 (file)
--- a/src/edu/berkeley/sbp/Union.java
+++ b/src/edu/berkeley/sbp/Union.java
@@ -25,13 +25,8 @@ public class Union extends Element implements Iterable<Sequence> {
         this.synthetic = synthetic;
     }
 
-    /** display form for the Union (ie not including the RHS) */
     final String shortForm;
-
-    /** this is just a hint to use when printing out the grammar in visual form */
     final boolean synthetic;
-
-    /** the actual alternatives */
     private final List<Sequence> alternatives = new ArrayList<Sequence>();
 
     public Iterator<Sequence> iterator() { return alternatives.iterator(); }
@@ -74,6 +69,7 @@ public class Union extends Element implements Iterable<Sequence> {
         if (alternatives.size()==0) {
             sb.append(StringUtil.pad(15, shortForm) + " = ");
         } else for(Sequence s : this) {
+            // FIXME: what to do here about printing out negated sequences?
             sb.append(StringUtil.pad(15, first ? shortForm : "") + (first ? " = " : "  | "));
             first = false;
             sb.append(s.toString());