1 /*
2 * Copyright (c) 2001, Zoltan Farkas All Rights Reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 package net.sf.zel.instr;
20
21 import java.io.Serializable;
22 import net.sf.zel.vm.*;
23
24 /**
25 * <p>Title: VM Instruction</p>
26 * <p>Description: Abstract Instruction Implementation</p>
27 * @author zoly
28 */
29 public abstract class Instruction implements Serializable
30 {
31
32 /**
33 * Instruction execution
34 * @param context ExecutionContext
35 * @throws ZExecutionException
36 */
37 public abstract void execute(ExecutionContext context) throws ZExecutionException;
38
39
40 /**
41 * Outputs Instruction Name - use for debug purposes ...
42 * @return String
43 */
44 @Override
45 public String toString()
46 {
47 return this.getClass().getSimpleName();
48 }
49 }