checkpoint

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

diff --git a/src/edu/berkeley/sbp/tib/TibDoc.java b/src/edu/berkeley/sbp/tib/TibDoc.java
index a823b36..c3b7871 100644 (file)
--- a/src/edu/berkeley/sbp/tib/TibDoc.java
+++ b/src/edu/berkeley/sbp/tib/TibDoc.java
@@ -10,7 +10,7 @@ import edu.berkeley.sbp.misc.*;
 import java.util.*;
 import java.io.*;
 
-public class TibDoc {
+public class TibDoc extends ReflectiveWalker {
     
     public static void main(String[] s) throws Exception {
         System.out.println("parsing " + s[0]);
@@ -23,15 +23,15 @@ public class TibDoc {
         Forest f = new CharToken.CharToStringParser(mg).parse(new Tib(new FileInputStream(s[1])));
         System.out.println(f);
         //System.out.println(((Tree)walk(f.expand1())).toString(0, 0, 120));
-        System.out.println(((Tree)walk(f.expand1())).toPrettyString());
+        System.out.println(((Tree)new TibDoc().walk(f.expand1())).toPrettyString());
     }
 
-    public static Tree<String> walk(Tree<String> tree) {
+    public Tree<String> walk(Tree<String> tree) {
         String head = tree.head();
         if ("stringify".equals(head)) {
-            String ret = "";
-            for(Tree<String> t : tree.child(0)) ret += t;
-            return new Tree<String>(null, ret);
+            StringBuffer ret = new StringBuffer();
+            for(Tree<String> t : tree.child(0)) ret.append(t);
+            return new Tree<String>(null, ret.toString());
         }
         Tree<String>[] children = new Tree[tree.numChildren()];
         for(int i=0; i<children.length; i++) children[i] = walk(tree.child(i));