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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.action;
22  
23  import org.millscript.millscript.expr.Ident;
24  import org.millscript.millscript.vm.Ref;
25  
26  /**
27   * This class is the base of all variable definition actions, for a
28   * <code>var NE = E;</code> expression.
29   *
30   * @see org.millscript.millscript.expr.VarExpr
31   * @see org.millscript.millscript.syntax.VarSyntax
32   */
33  public abstract class VarAction extends Action {
34  
35      /**
36       * The reference for the value of the ident.
37       */
38      Ref ref;
39  
40      /**
41       * The action for the value we want to assign to the new variable.
42       */
43      Action value;
44  
45      /**
46       * Constructs a new variable definition action, to assign to the specified
47       * new ident, with the specified action to generate the value to assign.
48       *
49       * @param i the ident for the new variable we must assign to
50       * @param v the action for the value we want to assign
51       */
52      VarAction( final Ident i, final Action v ) {
53          value = v;
54          ref = i.getRef();
55      }
56  
57  }