# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1397232081 -7200
# Node ID 140bd4b4e3c6efc34061edca06602843034e0651
# Parent  0672512feb81b90d0b145fdff30e709a5e061a66
Make NodePredicate an interface

diff -r 0672512feb81 -r 140bd4b4e3c6 graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicate.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicate.java	Fri Apr 11 17:16:24 2014 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicate.java	Fri Apr 11 18:01:21 2014 +0200
@@ -24,19 +24,19 @@
 
 import com.oracle.graal.graph.*;
 
-public abstract class NodePredicate {
+public interface NodePredicate {
 
-    public abstract boolean apply(Node n);
+    boolean apply(Node n);
 
-    public NodePredicate and(NodePredicate np) {
+    default NodePredicate and(NodePredicate np) {
         return NodePredicates.and(this, np);
     }
 
-    public NodePredicate or(NodePredicate np) {
+    default NodePredicate or(NodePredicate np) {
         return NodePredicates.or(this, np);
     }
 
-    public NodePredicate negate() {
+    default NodePredicate negate() {
         return NodePredicates.not(this);
     }
 }
diff -r 0672512feb81 -r 140bd4b4e3c6 graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java
--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java	Fri Apr 11 17:16:24 2014 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/iterators/NodePredicates.java	Fri Apr 11 18:01:21 2014 +0200
@@ -126,7 +126,7 @@
         return new NegativeTypePredicate(iface);
     }
 
-    private static final class TautologyPredicate extends NodePredicate {
+    private static final class TautologyPredicate implements NodePredicate {
 
         @Override
         public boolean apply(Node n) {
@@ -134,7 +134,7 @@
         }
     }
 
-    private static final class FalsePredicate extends NodePredicate {
+    private static final class FalsePredicate implements NodePredicate {
 
         @Override
         public boolean apply(Node n) {
@@ -142,7 +142,7 @@
         }
     }
 
-    private static final class AndPredicate extends NodePredicate {
+    private static final class AndPredicate implements NodePredicate {
 
         private final NodePredicate a;
         private final NodePredicate b;
@@ -158,7 +158,7 @@
         }
     }
 
-    private static final class NotPredicate extends NodePredicate {
+    private static final class NotPredicate implements NodePredicate {
 
         private final NodePredicate a;
 
@@ -172,7 +172,7 @@
         }
     }
 
-    private static final class OrPredicate extends NodePredicate {
+    private static final class OrPredicate implements NodePredicate {
 
         private final NodePredicate a;
         private final NodePredicate b;
@@ -188,7 +188,7 @@
         }
     }
 
-    private static final class IsNullPredicate extends NodePredicate {
+    private static final class IsNullPredicate implements NodePredicate {
 
         @Override
         public boolean apply(Node n) {
@@ -196,7 +196,7 @@
         }
     }
 
-    private static final class IsNotNullPredicate extends NodePredicate {
+    private static final class IsNotNullPredicate implements NodePredicate {
 
         @Override
         public boolean apply(Node n) {
@@ -204,7 +204,7 @@
         }
     }
 
-    private static final class EqualsPredicate extends NodePredicate {
+    private static final class EqualsPredicate implements NodePredicate {
 
         private final Node u;
 
@@ -218,7 +218,7 @@
         }
     }
 
-    private static final class NotEqualsPredicate extends NodePredicate {
+    private static final class NotEqualsPredicate implements NodePredicate {
 
         private final Node u;
 
@@ -232,7 +232,7 @@
         }
     }
 
-    public static final class PositiveTypePredicate extends NodePredicate {
+    public static final class PositiveTypePredicate implements NodePredicate {
 
         private final Class<?> type;
         private PositiveTypePredicate or;
@@ -263,7 +263,7 @@
         }
     }
 
-    public static final class NegativeTypePredicate extends NodePredicate {
+    public static final class NegativeTypePredicate implements NodePredicate {
 
         private final Class<?> type;
         private NegativeTypePredicate nor;
diff -r 0672512feb81 -r 140bd4b4e3c6 graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopEx.java
--- a/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopEx.java	Fri Apr 11 17:16:24 2014 +0200
+++ b/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopEx.java	Fri Apr 11 18:01:21 2014 +0200
@@ -123,7 +123,7 @@
         return (isCounted() ? "CountedLoop [" + counted() + "] " : "Loop ") + "(depth=" + lirLoop().depth + ") " + loopBegin();
     }
 
-    private class InvariantPredicate extends NodePredicate {
+    private class InvariantPredicate implements NodePredicate {
 
         @Override
         public boolean apply(Node n) {