copyright notices/updates

[sbp.git] / src / edu / berkeley / sbp / Parser.java

diff --git a/src/edu/berkeley/sbp/Parser.java b/src/edu/berkeley/sbp/Parser.java
index 74d7101..9db0bf9 100644 (file)
--- a/src/edu/berkeley/sbp/Parser.java
+++ b/src/edu/berkeley/sbp/Parser.java
@@ -1,3 +1,5 @@
+// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp;
 import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.util.*;
@@ -11,11 +13,11 @@ public abstract class Parser<Token, NodeType> {
     protected final Table<Token> pt;
 
     /** create a parser to parse the grammar with start symbol <tt>u</tt> */
-    protected Parser(Union u, Topology<Token> top)  { this.pt = new Table<Token>(u, top); }
-    protected Parser(Table<Token> pt)               { this.pt = pt; }
+    public Parser(Union u, Topology<Token> top)  { this.pt = new Table<Token>(u, top); }
+    Parser(Table<Token> pt)               { this.pt = pt; }
 
     /** implement this method to create the output forest corresponding to a lone shifted input token */
-    protected abstract Forest<NodeType> shiftToken(Token t, Input.Location newloc);
+    public abstract Forest<NodeType> shiftToken(Token t, Input.Location newloc);
 
     boolean helpgc = true;