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Java > Open Source Codes > com > caucho > quercus > program > MethodDeclaration


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.program;
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.quercus.expr.Expr;
36 import com.caucho.quercus.expr.ExprFactory;
37 import com.caucho.util.L10N;
38
39 import java.util.ArrayList JavaDoc;
40 import java.util.logging.Logger JavaDoc;
41
42 /**
43  * Declaration for an abstract function or interface.
44  */

45 public class MethodDeclaration extends Function
46 {
47   private static final Logger JavaDoc log = Logger.getLogger(MethodDeclaration.class.getName());
48   private static final L10N L = new L10N(MethodDeclaration.class);
49
50   private final ClassDef _qClass;
51
52   public MethodDeclaration(ExprFactory exprFactory,
53                Location location,
54                ClassDef qClass,
55                String JavaDoc name,
56                FunctionInfo info,
57                ArrayList JavaDoc<Arg> argList)
58   {
59     super(exprFactory, location,
60       name, info, argList, new ArrayList JavaDoc<Statement>());
61
62     _qClass = qClass;
63   }
64
65   public boolean isAbstract()
66   {
67     return true;
68   }
69
70   public boolean isObjectMethod()
71   {
72     return true;
73   }
74
75   /**
76    * Binds the user's arguments to the actual arguments.
77    *
78    * @param args the user's arguments
79    * @return the user arguments augmented by any defaults
80    */

81   public Expr []bindArguments(Env env, Expr fun, Expr []args)
82   {
83     throw new UnsupportedOperationException JavaDoc();
84   }
85
86   /**
87    * Evaluates the function.
88    */

89   public Value call(Env env, Value []args)
90   {
91     throw new UnsupportedOperationException JavaDoc();
92   }
93
94   public String JavaDoc toString()
95   {
96     return "MethodFunction[" + getName() + "]";
97   }
98 }
99
100
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