--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/MatchDataNodes.java	Mon Jan 06 17:12:09 2014 +0000
@@ -0,0 +1,81 @@
+/*
+ * 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.*;
+import com.oracle.truffle.ruby.runtime.core.array.*;
+
+@CoreClass(name = "MatchData")
+public abstract class MatchDataNodes {
+
+    @CoreMethod(names = "[]", minArgs = 1, maxArgs = 1)
+    public abstract static class GetIndexNode extends CoreMethodNode {
+
+        public GetIndexNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public GetIndexNode(GetIndexNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public Object getIndex(RubyMatchData matchData, int index) {
+            return matchData.getValues()[index];
+        }
+
+    }
+
+    @CoreMethod(names = "to_a", maxArgs = 0)
+    public abstract static class ToANode extends CoreMethodNode {
+
+        public ToANode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public ToANode(ToANode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public RubyArray toA(RubyMatchData matchData) {
+            return RubyArray.specializedFromObjects(getContext().getCoreLibrary().getArrayClass(), matchData.getValues());
+        }
+
+    }
+
+    @CoreMethod(names = "values_at", isSplatted = true)
+    public abstract static class ValuesAtNode extends CoreMethodNode {
+
+        public ValuesAtNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public ValuesAtNode(ValuesAtNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public RubyArray valuesAt(RubyMatchData matchData, Object[] args) {
+            final int[] indicies = new int[args.length];
+
+            for (int n = 0; n < args.length; n++) {
+                indicies[n] = (int) args[n];
+            }
+
+            return RubyArray.specializedFromObjects(getContext().getCoreLibrary().getArrayClass(), matchData.valuesAt(indicies));
+        }
+
+    }
+
+}