checkpoint

[sbp.git] / src / edu / berkeley / sbp / misc / MetaGrammar.java

diff --git a/src/edu/berkeley/sbp/misc/MetaGrammar.java b/src/edu/berkeley/sbp/misc/MetaGrammar.java
index cb67cba..1cc57be 100644 (file)
--- a/src/edu/berkeley/sbp/misc/MetaGrammar.java
+++ b/src/edu/berkeley/sbp/misc/MetaGrammar.java
@@ -87,6 +87,9 @@ public class MetaGrammar extends ReflectiveWalker {
 
     public PreSequence rewrite(Object[] o)                                            { return new PreSequence(o, null); }
     public PreSequence _equals__greater_(Object[] o, String s)                        { return new PreSequence(o, s); }
+    public Object[] seq(Object[] o, Object sep) {
+        return sep==null ? o : _slash_(o, sep);
+    }
     public Object[] seq(Object[] o) { return o; }
     public Object[] _slash_(Object[] o, Object sep) {
         if (o.length <= 1) return o;