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Java > Open Source Codes > com > caucho > quercus > expr > SetCharAtExpr


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */

29
30 package com.caucho.quercus.expr;
31
32 import com.caucho.quercus.Location;
33 import com.caucho.quercus.env.Env;
34 import com.caucho.quercus.env.Value;
35 import com.caucho.util.L10N;
36
37 /**
38  * Dummy for code generation
39  */

40 public class SetCharAtExpr extends Expr {
41   private static final L10N L = new L10N(SetCharAtExpr.class);
42
43   private final Expr _objExpr;
44   private final Expr _indexExpr;
45   private final Expr _valueExpr;
46
47   public SetCharAtExpr(Location location, Expr objExpr, Expr indexExpr, Expr valueExpr)
48   {
49     super(location);
50     _objExpr = objExpr;
51     _indexExpr = indexExpr;
52     _valueExpr = valueExpr;
53   }
54
55   public SetCharAtExpr(Expr objExpr, Expr indexExpr, Expr valueExpr)
56   {
57     _objExpr = objExpr;
58     _indexExpr = indexExpr;
59     _valueExpr = valueExpr;
60   }
61   
62   /**
63    * Evaluates the expression.
64    *
65    * @param env the calling environment.
66    *
67    * @return the expression value.
68    */

69   public Value eval(Env env)
70   {
71     throw new UnsupportedOperationException JavaDoc();
72   }
73   
74   public String JavaDoc toString()
75   {
76     return _objExpr + "{" + _indexExpr + "} = " + _valueExpr;
77   }
78 }
79
80
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