/interpreter/tags/at2-build190607/src/edu/vub/at/exceptions/XIllegalQuote.java

 1/**
 2 * AmbientTalk/2 Project
 3 * XIllegalQuote.java created on 31-jul-2006 at 15:10:27
 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.ATTypeTag;
31import edu.vub.at.objects.coercion.NativeTypeTags;
32
33
34/**
35 * An XIllegalQuote exception is raised whenever an unquote-splice unquotation is discovered in an 
36 * AG node where the resulting table cannot be spliced. This is detected when attempting to quote
37 * an AGUnquoteSplice. An explicit check for unquote splaces is made by grammar elements who 
38 * expect a table, such that this operation should never be used.
39 * 
40 * @author tvc
41 */
42public final class XIllegalQuote extends InterpreterException {
43
44	private static final long serialVersionUID = -1407445555815270192L;
45
46	private static final String _MESSAGE_ = "Illegal position for unquote-splice: ";
47
48	/**
49	 * Constructor taking a String representation of the incorrectly placed unquote splice grammar element.
50	 * 
51	 * @see edu.vub.at.objects.natives.grammar.AGUnquoteSplice#meta_quote(ATContext)
52	 */
53	public XIllegalQuote(String uqsExp) {
54		super(_MESSAGE_ + uqsExp);
55	}
56	
57	public ATTypeTag getType() {
58		return NativeTypeTags._ILLQUOTE_;
59	}
60	
61}