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/interpreter/tags/at2-build060407/src/edu/vub/at/exceptions/XDuplicateSlot.java

http://ambienttalk.googlecode.com/
Java | 72 lines | 28 code | 11 blank | 33 comment | 2 complexity | 11de094e95eecabf5e65a4b4fe2943e1 MD5 | raw file
 1/**
 2 * AmbientTalk/2 Project
 3 * XDuplicateSlot.java created on 11-aug-2006 at 14:33:12
 4 * (c) Programming Technology Lab, 2006 - 2007
 5 * Authors: Tom Van Cutsem & Stijn Mostinckx
 6 * 
 7 * Permission is hereby granted, free of charge, to any person
 8 * obtaining a copy of this software and associated documentation
 9 * files (the "Software"), to deal in the Software without
10 * restriction, including without limitation the rights to use,
11 * copy, modify, merge, publish, distribute, sublicense, and/or
12 * sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following
14 * conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28package edu.vub.at.exceptions;
29
30import edu.vub.at.objects.ATStripe;
31import edu.vub.at.objects.coercion.NativeStripes;
32import edu.vub.at.objects.grammar.ATSymbol;
33
34
35/**
36 * An XDuplicateSlot exception is raised when a field or a method is added to
37 * an object that already contains a field or method with the same name.
38 * 
39 * @author tvc
40 */
41public final class XDuplicateSlot extends InterpreterException {
42
43	private static final long serialVersionUID = -1256829498207088803L;
44
45	public static final byte _FIELD_ = 0;
46	public static final byte _METHOD_ = 1;
47	
48	private final byte slotType_;
49	private final ATSymbol slotName_;
50	
51	public XDuplicateSlot(byte slotType,  ATSymbol slotName) {
52		super("Duplicate " + ((slotType == _FIELD_) ? "field" : "method") + " definition for " + slotName);
53		slotType_ = slotType;
54		slotName_ = slotName;
55	}
56	
57	public ATStripe getStripeType() {
58		return NativeStripes._DUPLICATESLOT_;
59	}
60
61	public ATSymbol getSlotName() {
62		return slotName_;
63	}
64
65	public byte getSlotType() {
66		return slotType_;
67	}
68	
69	public boolean isDuplicateMethod() {
70		return slotType_ == _METHOD_;
71	}
72}