1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2001-2004 Open World Ltd
4 //
5 // This file is part of MillScript.
6 //
7 // MillScript is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 2 of the License, or (at your option)
10 // any later version.
11 //
12 // MillScript is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 // more details.
16 //
17 // You should have received a copy of the GNU General Public License along with
18 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
19 // Place, Suite 330, Boston, MA 02111-1307 USA
20 ////////////////////////////////////////////////////////////////////////////////
21 package org.millscript.millscript.functions;
22
23 import org.millscript.commons.util.IMap;
24 import org.millscript.millscript.vm.Machine;
25
26 import java.util.Map;
27
28 /**
29 * This class implements the MillScript <code>isMap</code> function.
30 */
31 public final class IsMapFunction extends Function {
32
33 /**
34 * @see org.millscript.millscript.functions.Function#apply(org.millscript.millscript.vm.Machine, int)
35 */
36 @Override
37 public void apply( final Machine mc, final int nargs ) {
38 checkNargs( mc, 1, nargs );
39 final Object o = mc.popObject();
40 mc.pushBoolean( o instanceof IMap || o instanceof Map );
41 }
42
43 }