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


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
34 /**
35  * Represents a PHP boolean negation
36  */
37 abstract public class UnaryExpr extends Expr {
38   protected final Expr _expr;
39
40   protected UnaryExpr(Location location, Expr expr)
41   {
42     super(location);
43     _expr = expr;
44   }
45
46   protected UnaryExpr(Expr expr)
47   {
48     _expr = expr;
49   }
50
51   /**
52    * Returns the child expression.
53    */
54   public final Expr getExpr()
55   {
56     return _expr;
57   }
58 }
59
60
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