X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FInput.java;h=9948ae40a2b69bf8cf42cd7198a214a35ef019b6;hp=846fd9a7b60de45439cc7650913e8121e6f1c75a;hb=82f9b8d4a2fadb14cb004e5cc9f14944458f2e6c;hpb=e12a3098c6ed3cbfa6493870af3688f833c4f8ac

diff --git a/src/edu/berkeley/sbp/Input.java b/src/edu/berkeley/sbp/Input.java
index 846fd9a..9948ae4 100644
--- a/src/edu/berkeley/sbp/Input.java
+++ b/src/edu/berkeley/sbp/Input.java
@@ -18,20 +18,10 @@ public interface Input<Token> {
     /** a location <i>between tokens<i> in the input stream */
     public static interface Location<Tok> extends Comparable<Location> {
         public String toString();
+        public Region<Tok> createRegion(Location<Tok> loc);
     }
 
-    public static class Region<Loc extends Location> /* implements Topology<Location<Tok>> */ {
-        public final Loc start;
-        public final Loc end;
-        public Region(Loc a, Loc b) {
-            switch(a.compareTo(b)) {
-                case -1:
-                case  0: start=a; end=b; return;
-                case  1: start=b; end=a; return;
-                default: throw new Error("impossible");
-            }
-        }
-    }
+    public static interface Region<Tok> /* implements Topology<Location<Tok>> */ { }
 }