X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FSequence.java;h=4d9e41fa766ba9a3f81beaa5831497ce831034d0;hp=fb1262f83900589d80f323efe6da5e95baecdaf3;hb=45d799349e635f1a99e3974e4504a43d5a7aaf33;hpb=95c87aa402977de2b96c48bd14c439b46ad49777

diff --git a/src/edu/berkeley/sbp/Sequence.java b/src/edu/berkeley/sbp/Sequence.java
index fb1262f..4d9e41f 100644
--- a/src/edu/berkeley/sbp/Sequence.java
+++ b/src/edu/berkeley/sbp/Sequence.java
@@ -228,10 +228,11 @@ public abstract class Sequence extends Element implements Iterable<Element> {
         }
         public <T> Forest<T> postReduce(Input.Location loc, Forest<T>[] args, Position p) {
             Forest<T>[] args2 = new Forest[count];
+            Object[] labs2 = new Object[count];
             int j = 0;
-            for(int i=0; i<args.length; i++) if (!drops[i]) args2[j++] = args[i];
+            for(int i=0; i<args.length; i++) if (!drops[i]) { labs2[j] = labs==null?null:labs[i]; args2[j++] = args[i]; }
             //System.out.println("reduce \""+tag+"\"");
-            return Forest.create(loc, (T)tag, args2, labs, false, false, p);
+            return Forest.create(loc, (T)tag, args2, labs2, false, false, p);
         }
         public StringBuffer toString(StringBuffer sb, boolean spacing) {
             int len = sb.length();