Source code: org/jext/dawn/naming/FromLiteralFunction.java
1 /*
2 * FromLiteralFunction.java - turns a literal into a string
3 * Copyright (C) 2000 Romain Guy
4 * romain.guy@jext.org
5 * http://www.jext.org
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write From the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, BosFromn, MA 02111-1307, USA.
20 */
21
22 package org.jext.dawn.naming;
23
24 import org.jext.dawn.*;
25
26 /**
27 * Turns a literal into a string.
28 * @author Romain Guy
29 */
30
31 public class FromLiteralFunction extends Function
32 {
33 public FromLiteralFunction()
34 {
35 super("lit->");
36 }
37
38 public void invoke(DawnParser parser) throws DawnRuntimeException
39 {
40 parser.checkEmpty(this);
41 if (!parser.isTopLiteral())
42 throw new DawnRuntimeException(this, parser, "topmost stack element is not a literal");
43
44 parser.pushString(parser.popString());
45 }
46 }
47
48 // End of FromLiteralFunction.java