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/interpreter/tags/at2dist130208/src/edu/vub/at/objects/grammar/ATQuote.java

http://ambienttalk.googlecode.com/
Java | 49 lines | 4 code | 3 blank | 42 comment | 0 complexity | 0fa1979bcae7a1b21e84f02ec489dd2c MD5 | raw file
 1/**
 2 * AmbientTalk/2 Project
 3 * ATQuote.java created on 26-jul-2006 at 15:11:19
 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.objects.grammar;
29
30/**
31 * The public interface to a quotation AG element.
32 * 
33 * Quoting an expression prevents its evaluation. Instead,
34 * the AG element is returned as a first-class entity.
35 * 
36 * Example: <code>`(f(1, 2, 3))</code>
37 * 
38 * @author tvc
39 */
40public interface ATQuote extends ATExpression {
41	
42	/**
43	 * The quoted statement
44	 * Example: <code>`(`(1+2)).statement == `(1.+(2))</code>
45	 * @return the quoted statement
46	 */
47	public ATStatement base_statement();
48
49}