X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Fchr%2FCharParser.java;h=7b6d560e600999f9957f499536a947177c70a078;hp=9bdadbc1e90697c54588c3d7b292287b1e5fd9bc;hb=dc9bb3a45ed306e2e35549076842b3e74efecb48;hpb=82f9b8d4a2fadb14cb004e5cc9f14944458f2e6c

diff --git a/src/edu/berkeley/sbp/chr/CharParser.java b/src/edu/berkeley/sbp/chr/CharParser.java
index 9bdadbc..7b6d560 100644
--- a/src/edu/berkeley/sbp/chr/CharParser.java
+++ b/src/edu/berkeley/sbp/chr/CharParser.java
@@ -1,27 +1,21 @@
+// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp.chr;
 import java.io.*;
 import java.util.*;
-import java.lang.reflect.*;
-import java.lang.ref.*;
 import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.util.*;
-import edu.berkeley.sbp.misc.*;
-import edu.berkeley.sbp.Input.Location;
 
 public class CharParser extends Parser<Character,String> {
 
     public Forest<String> parse(InputStream is) throws IOException, ParseFailed { return super.parse(new CharInput(is)); }
     public Forest<String> parse(Reader r)       throws IOException, ParseFailed { return super.parse(new CharInput(r)); }
+    public Forest<String> parse(String s)       throws IOException, ParseFailed { return parse(new StringReader(s)); }
 
-    public CharParser(Union u) { super(u, new CharTopology()); }
-
-    private Location oldloc;
+    public CharParser(Union u) { super(u); }
 
-    public Forest<String> shiftToken(Character ct, Location newloc) {
-        if (oldloc==null) oldloc = newloc;
-        Forest<String> ret = Forest.create(oldloc.createRegion(newloc), ct.toString(), null, false);
-        oldloc = newloc;
-        return ret;
-    }
+    public Topology<Character> emptyTopology() { return new CharTopology(); }
+    public Forest<String> shiftToken(Character ct, Input.Region region) {
+        return Forest.create(region, ct.toString(), null); }
 
 }