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/jEdit/tags/jedit-4-1-pre5/bsh/BSHFormalParameters.java

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Java | 77 lines | 23 code | 10 blank | 44 comment | 1 complexity | dc671e837d36c42ebac33c2555325e52 MD5 | raw file
 1/*****************************************************************************
 2 *                                                                           *
 3 *  This file is part of the BeanShell Java Scripting distribution.          *
 4 *  Documentation and updates may be found at http://www.beanshell.org/      *
 5 *                                                                           *
 6 *  Sun Public License Notice:                                               *
 7 *                                                                           *
 8 *  The contents of this file are subject to the Sun Public License Version  *
 9 *  1.0 (the "License"); you may not use this file except in compliance with *
10 *  the License. A copy of the License is available at http://www.sun.com    * 
11 *                                                                           *
12 *  The Original Code is BeanShell. The Initial Developer of the Original    *
13 *  Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright     *
14 *  (C) 2000.  All Rights Reserved.                                          *
15 *                                                                           *
16 *  GNU Public License Notice:                                               *
17 *                                                                           *
18 *  Alternatively, the contents of this file may be used under the terms of  *
19 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
20 *  provisions of LGPL are applicable instead of those above. If you wish to *
21 *  allow use of your version of this file only under the  terms of the LGPL *
22 *  and not to allow others to use your version of this file under the SPL,  *
23 *  indicate your decision by deleting the provisions above and replace      *
24 *  them with the notice and other provisions required by the LGPL.  If you  *
25 *  do not delete the provisions above, a recipient may use your version of  *
26 *  this file under either the SPL or the LGPL.                              *
27 *                                                                           *
28 *  Patrick Niemeyer (pat@pat.net)                                           *
29 *  Author of Learning Java, O'Reilly & Associates                           *
30 *  http://www.pat.net/~pat/                                                 *
31 *                                                                           *
32 *****************************************************************************/
33
34
35package bsh;
36
37/**
38	For loose type parameters the argTypes are null.
39*/
40class BSHFormalParameters extends SimpleNode
41{
42	int numArgs;
43
44// I'm not sure doing this is thread safe...
45//Will we be hit by different threads...  I think the namespace is the declaring
46//one... so it would be the same...
47// caching of the method structure happens in BshMethod, so it's not necessary
48//here...
49	String[] argNames;
50	Class[] argTypes;
51
52	BSHFormalParameters(int id) { super(id); }
53
54	/**
55		Evaluate the types.  
56		Note that type resolution does not require the interpreter instance.
57	*/
58	public Object eval( NameSpace namespace )  
59		throws EvalError
60	{
61		numArgs = jjtGetNumChildren();
62
63		argNames = new String[numArgs];
64		argTypes = new Class[numArgs];
65
66		for(int i=0; i<numArgs; i++)
67		{
68			BSHFormalParameter param = (BSHFormalParameter)jjtGetChild(i);
69			param.eval( namespace );
70			argNames[i] = param.name;
71			argTypes[i] = param.type;
72		}
73
74		return Primitive.VOID;
75	}
76}
77