convered maximal to use character lookahead

[sbp.git] / src / edu / berkeley / sbp / tib / Tib.java

diff --git a/src/edu/berkeley/sbp/tib/Tib.java b/src/edu/berkeley/sbp/tib/Tib.java
index 9b4b974..39f6071 100644 (file)
--- a/src/edu/berkeley/sbp/tib/Tib.java
+++ b/src/edu/berkeley/sbp/tib/Tib.java
@@ -289,10 +289,8 @@ public class Tib implements Token.Stream<CharToken> {
 
     public static class Grammar extends MetaGrammar {
         private int anon = 0;
 
     public static class Grammar extends MetaGrammar {
         private int anon = 0;

-        private final Element ws = Repeat.maximal(Repeat.many0(nonTerminal("w")));
-        public Grammar() {
-            dropAll.add(ws);
-        }
+        private final Element ws = Repeat.maximal0(nonTerminal("w"));
+        public Grammar() { dropAll.add(ws); }

         public Object walk(Tree<String> tree) {
             String head = tree.head();
             if (tree.numChildren()==0) return super.walk(tree);
         public Object walk(Tree<String> tree) {
             String head = tree.head();
             if (tree.numChildren()==0) return super.walk(tree);