X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FAtom.java;h=cb7a379fd4748eaf9532c6eb804b4c75bc0d7d81;hb=a7b84506c2e1ed63343db215f76afced082e2826;hp=2589ddeabb9d435ff5e47a09531175b3d6a0d98f;hpb=b409afa0cf6d72a23703d9172812ab4fcd6a969b;p=sbp.git

diff --git a/src/edu/berkeley/sbp/Atom.java b/src/edu/berkeley/sbp/Atom.java
index 2589dde..cb7a379 100644
--- a/src/edu/berkeley/sbp/Atom.java
+++ b/src/edu/berkeley/sbp/Atom.java
@@ -8,7 +8,7 @@ import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.*;
 
 /** an element which matches exactly one input token */
-public abstract class Atom<T extends Token> extends Element implements Topology<T> {
+public abstract class Atom<T> extends Element implements Topology<T> {
 
     protected abstract Topology<T> top();
     public    abstract String toString();
@@ -31,28 +31,18 @@ public abstract class Atom<T extends Token> extends Element implements Topology<
 
     // Subclasses //////////////////////////////////////////////////////////////////////////////
 
-    public static class Infer<T extends Token> extends Atom<T> {
+    public static class Infer<T extends Input> extends Atom<T> {
         private final Element e;
         public Infer(Element e) { this.e = e; }
         public Topology<T> top() { return (Topology<T>)e.toAtom(); }
         public String toString() { return e.toString(); /* FIXME should be toAtom() */ }
     }
     
-    public static class Invert<T extends Token> extends Atom<T> {
+    public static class Invert<T extends Input> extends Atom<T> {
         private final Atom<T> a;
         public Invert(Atom<T> a) { this.a = a; }
         public Topology<T> top() { return ((Topology<T>)a.top()).complement(); }
         public String toString() { return "~"+a; }
     }
-    
-    public static class Hack<T extends Token> extends Atom<T> {
-        private final Atom<T> a;
-        static final Topology leftright =
-            edu.berkeley.sbp.misc.CharToken.rightBrace.union(edu.berkeley.sbp.misc.CharToken.leftBrace);
-        public Hack(Atom<T> a) { this.a = a; }
-        public Topology<T> top() { return ((Topology<T>)a.top()).minus(leftright); }
-        public String toString() { return "~"+a; }
-    }
-    
 }