--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/FalseClassNodes.java	Mon Jan 06 17:12:09 2014 +0000
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.nodes.core;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.ruby.runtime.*;
+import com.oracle.truffle.ruby.runtime.core.*;
+
+@CoreClass(name = "FalseClass")
+public abstract class FalseClassNodes {
+
+    @CoreMethod(names = "!", needsSelf = false, maxArgs = 0)
+    public abstract static class NotNode extends CoreMethodNode {
+
+        public NotNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public NotNode(NotNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public boolean not() {
+            return true;
+        }
+
+    }
+
+    @CoreMethod(names = {"==", "===", "=~"}, needsSelf = false, minArgs = 1, maxArgs = 1)
+    public abstract static class EqualNode extends CoreMethodNode {
+
+        public EqualNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public EqualNode(EqualNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public boolean equal(boolean other) {
+            return !other;
+        }
+
+        @Specialization
+        public boolean equal(Object other) {
+            return other instanceof Boolean && !((boolean) other);
+        }
+
+    }
+
+    @CoreMethod(names = "^", needsSelf = false, minArgs = 1, maxArgs = 1)
+    public abstract static class XorNode extends CoreMethodNode {
+
+        public XorNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public XorNode(XorNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public boolean xor(boolean other) {
+            return false ^ other;
+        }
+
+    }
+
+    @CoreMethod(names = "to_s", needsSelf = false, maxArgs = 0)
+    public abstract static class ToSNode extends CoreMethodNode {
+
+        public ToSNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public ToSNode(ToSNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public RubyString toS() {
+            return getContext().makeString("false");
+        }
+
+    }
+
+}