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Java > Open Source Codes > com > caucho > quercus > program > CompiledFunction_5


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 function with 5 args
41  */

42 abstract public class CompiledFunction_5 extends CompiledFunction {
43   private static final Logger JavaDoc log
44     = Logger.getLogger(CompiledFunction_5.class.getName());
45   private static final L10N L = new L10N(CompiledFunction_5.class);
46
47   private final String JavaDoc _name;
48   private final Expr _default_0;
49   private final Expr _default_1;
50   private final Expr _default_2;
51   private final Expr _default_3;
52   private final Expr _default_4;
53
54   public CompiledFunction_5(String JavaDoc name,
55                             Expr default_0,
56                             Expr default_1,
57                             Expr default_2,
58                             Expr default_3,
59                             Expr default_4)
60   {
61     _name = name;
62     _default_0 = default_0;
63     _default_1 = default_1;
64     _default_2 = default_2;
65     _default_3 = default_3;
66     _default_4 = default_4;
67     if (default_0 == null || default_1 == null || default_2 == null ||
68         default_3 == null || default_4 == null)
69       Thread.dumpStack();
70   }
71
72   /**
73    * Binds the user's arguments to the actual arguments.
74    *
75    * @param args the user's arguments
76    * @return the user arguments augmented by any defaults
77    */

78   public Expr []bindArguments(Env env, Expr fun, Expr []args)
79   {
80     if (args.length > 5)
81       log.fine(L.l(env.getLocation().getMessagePrefix() + "incorrect number of arguments" + env.getFunctionLocation()));
82
83     return args;
84   }
85
86   public Value call(Env env, Value []argValues)
87   {
88     switch (argValues.length) {
89     case 0:
90       return call(env,
91                   _default_0.eval(env),
92                   _default_1.eval(env),
93                   _default_2.eval(env),
94                   _default_3.eval(env),
95                   _default_4.eval(env));
96
97     case 1:
98       return call(env,
99                   argValues[0],
100                   _default_1.eval(env),
101                   _default_2.eval(env),
102                   _default_3.eval(env),
103                   _default_4.eval(env));
104     case 2:
105       return call(env,
106                   argValues[0],
107                   argValues[1],
108                   _default_2.eval(env),
109                   _default_3.eval(env),
110                   _default_4.eval(env));
111     case 3:
112       return call(env,
113                   argValues[0],
114                   argValues[1],
115                   argValues[2],
116                   _default_3.eval(env),
117                   _default_4.eval(env));
118     case 4:
119       return call(env,
120                   argValues[0],
121                   argValues[1],
122                   argValues[2],
123                   argValues[3],
124                   _default_4.eval(env));
125     case 5:
126     default:
127       return call(env,
128                   argValues[0],
129                   argValues[1],
130                   argValues[2],
131                   argValues[3],
132                   argValues[4]);
133     }
134   }
135
136   /**
137    * Evaluates the function with arguments
138    */

139   abstract public Value call(Env env, Value a1, Value a2, Value a3, Value a4,
140                              Value a5);
141
142   public String JavaDoc toString()
143   {
144     return "CompiledFunction_5[" + _name + "]";
145   }
146 }
147
148
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