Source code: com/tripi/asp/FunctionNode.java
1 /**
2 * ArrowHead ASP Server
3 * This is a source file for the ArrowHead ASP Server - an 100% Java
4 * VBScript interpreter and ASP server.
5 *
6 * For more information, see http://www.tripi.com/arrowhead
7 *
8 * Copyright (C) 2002 Terence Haddock
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 */
25 package com.tripi.asp;
26
27 /**
28 * This is an abstract interface to use for nodes of which functions
29 * can be called.
30 *
31 * @author Terence Haddock
32 * @version 0.9
33 */
34 public interface FunctionNode extends Node
35 {
36 /**
37 * Executes a function with the specified parameters.
38 *
39 * @param vars Parameters for this function.
40 * @param context AspContext under which to evaluate this expression.
41 * @return Value of this function
42 * @throws AspException is an error occurs.
43 */
44 public Object execute(VarListNode vars, AspContext context)
45 throws AspException;
46 };
47