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[sbp.git]
/
src
/
edu
/
berkeley
/
sbp
/
misc
/
StringWalker.java
diff --git
a/src/edu/berkeley/sbp/misc/StringWalker.java
b/src/edu/berkeley/sbp/misc/StringWalker.java
index
923c639
..
ae150e6
100644
(file)
--- a/
src/edu/berkeley/sbp/misc/StringWalker.java
+++ b/
src/edu/berkeley/sbp/misc/StringWalker.java
@@
-6,7
+6,11
@@
import java.util.*;
import java.lang.reflect.*;
public abstract class StringWalker extends TreeWalker<String> {
import java.lang.reflect.*;
public abstract class StringWalker extends TreeWalker<String> {
- public Object walk(Tree<String> tree) { return super.walk(tree); }
+ public void walk(String tag) { }
+ public Object walk(Tree<String> tree) {
+ walk(tree.head());
+ return super.walk(tree);
+ }
public Object walk(String tag, Object[] tokens) {
if (tokens.length==0) return tag;
if (tag==null) return null;
public Object walk(String tag, Object[] tokens) {
if (tokens.length==0) return tag;
if (tag==null) return null;