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/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/bsh/BSHImportDeclaration.java

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Java | 81 lines | 42 code | 7 blank | 32 comment | 6 complexity | b0ce0edcc7b82f53df0c48c3c0d70179 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 org.gjt.sp.jedit.bsh;
36
37class BSHImportDeclaration extends SimpleNode
38{
39	public boolean importPackage;
40	public boolean staticImport;
41	public boolean superImport;
42
43	BSHImportDeclaration(int id) { super(id); }
44
45	public Object eval( CallStack callstack, Interpreter interpreter) 
46		throws EvalError
47	{
48		NameSpace namespace = callstack.top();
49		if ( superImport )
50			try {
51				namespace.doSuperImport();
52			} catch ( UtilEvalError e ) {
53				throw e.toEvalError( this, callstack  );
54			}
55		else 
56		{
57			if ( staticImport )
58			{
59				if ( importPackage )
60				{
61					Class clas = ((BSHAmbiguousName)jjtGetChild(0)).toClass( 
62						callstack, interpreter );
63					namespace.importStatic( clas );
64				} else
65					throw new EvalError( 
66						"static field imports not supported yet", 
67						this, callstack );
68			} else 
69			{
70				String name = ((BSHAmbiguousName)jjtGetChild(0)).text;
71				if ( importPackage )
72					namespace.importPackage(name);
73				else
74					namespace.importClass(name);
75			}
76		}
77
78        return Primitive.VOID;
79	}
80}
81