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Java/clang/heraclitus/Primitive.java

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+/*   
+Primitive.java
+ *    
+ *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
+ *
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software 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 README
+ *    file for more details.
+ *
+ */
+/*
+ * Written by Tuomas Lukka
+ */
+package org.gzigzag.heraclitus;
+import org.gzigzag.*;
+
+/** An Heraclitus Clang primitive.
+ * A primitive, just like a subroutine, executes one cell with another
+ * as a parameter, and returns another cell.
+ */
+
+public interface Primitive {
+String rcsid = "$Id$";
+    /** Execute this primitive.
+     * @param instance The cell instance (clone) that was originally
+     *			requested to be executed.
+     * @param param The parameter given to the execution.
+     */
+    ZZCell execute(ZZCell instance, ZZCell param);
+}
+
+