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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.millscript.vm.Machine;
24  
25  import java.lang.reflect.InvocationTargetException;
26  import java.lang.reflect.Method;
27  
28  /**
29   * This class implements a function to acces a java instance method which
30   * returns a single value.
31   */
32  public final class InstanceReturnFunction extends JMethod {
33  
34      /**
35       * Constructs a new <code>InstanceReturnFunction</code> for the specified
36       * Java method.
37       *
38       * @param m the Java method to invoke
39       */
40      public InstanceReturnFunction( final Method m ) {
41          super( m );
42      }
43  
44      /**
45       * @see org.millscript.millscript.functions.JMethod#invoke(org.millscript.millscript.vm.Machine)
46       */
47      @Override
48      void invoke( final Machine mc ) throws IllegalAccessException, InvocationTargetException {
49          mc.pushObject( method.invoke( validate( mc.popObject() ), argBuffer ) );
50      }
51  
52  }