summary patch for Nov->Jan work

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

diff --git a/src/edu/berkeley/sbp/misc/HaskellHelper.java b/src/edu/berkeley/sbp/misc/HaskellHelper.java
index 5b2e0d7..18f5f6a 100644 (file)
--- a/src/edu/berkeley/sbp/misc/HaskellHelper.java
+++ b/src/edu/berkeley/sbp/misc/HaskellHelper.java
@@ -10,7 +10,11 @@ import java.io.*;
 
 public class HaskellHelper {
 
-    public static Tree main(String grammarFile, String targetFile) throws Throwable {
+    public static void main(String[] argv) throws Throwable {
+        help(argv[0], argv[1]);
+    }
+    public static boolean isNull(Object o) { return o==null; }
+    public static Tree help(String grammarFile, String targetFile) throws Throwable {
         try {
             Tree<String> res = new CharParser(MetaGrammar.newInstance()).parse(new FileInputStream(grammarFile)).expand1();
             Union meta = Grammar.create(res, "s",