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Java > Open Source Codes > com > caucho > quercus > program > CompiledMethod_1


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.env.Env;
33 import com.caucho.quercus.env.Value;
34 import com.caucho.quercus.expr.Expr;
35 import com.caucho.util.L10N;
36
37 import java.util.logging.Logger JavaDoc;
38
39 /**
40  * Represents a compiled method with 1 arg
41  */
42 abstract public class CompiledMethod_1 extends CompiledMethod {
43   private static final Logger JavaDoc log
44     = Logger.getLogger(CompiledMethod_1.class.getName());
45   private static final L10N L = new L10N(CompiledMethod_1.class);
46
47   private String JavaDoc _name;
48   private Expr _default_0;
49
50   public CompiledMethod_1(String JavaDoc name, Expr default_0)
51   {
52     _name = name;
53     _default_0 = default_0;
54   }
55   
56   /**
57    * Binds the user's arguments to the actual arguments.
58    *
59    * @param args the user's arguments
60    * @return the user arguments augmented by any defaults
61    */
62   public Expr []bindArguments(Env env, Expr fun, Expr []args)
63   {
64     if (args.length != 1)
65       env.warning(L.l("incorrect"));
66
67     return args;
68   }
69
70   /**
71    * Evaluates the method with the given variable arguments.
72    */
73   public Value callMethod(Env env, Value obj, Value []argValues)
74   {
75     switch (argValues.length) {
76     case 0:
77       return callMethod(env, obj, _default_0.eval(env));
78     case 1:
79     default:
80       return callMethod(env, obj, argValues[0]);
81     }
82   }
83
84   /**
85    * Evaluates the method with the given variable arguments.
86    */
87   public Value callMethod(Env env, Value obj)
88   {
89     return callMethod(env, obj, _default_0.eval(env));
90   }
91
92   abstract public Value callMethod(Env env, Value obj, Value a1);
93   
94   public String JavaDoc toString()
95   {
96     return "CompiledMethod_1[" + _name + "]";
97   }
98 }
99
100
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