--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.tools.debug.shell/src/com/oracle/truffle/tools/debug/shell/client/REPLCommand.java	Tue May 26 16:38:13 2015 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.tools.debug.shell.client;
+
+// TODO (mlvdv)  write a real command line parser
+abstract class REPLCommand {
+
+    private final String command;
+    private final String abbreviation;
+    private final String description;
+
+    public REPLCommand(String command, String abbreviation, String description) {
+        this.command = command;
+        this.abbreviation = abbreviation;
+        this.description = description;
+    }
+
+    public final String getCommand() {
+        return command;
+    }
+
+    public final String getAbbreviation() {
+        return abbreviation;
+    }
+
+    public final String getDescription() {
+        return description;
+    }
+
+    public String[] getHelp() {
+        return new String[]{getCommand() + ": " + getDescription()};
+    }
+
+}