/interpreter/tags/reactive-pattern-matching/src/edu/vub/at/objects/grammar/ATApplication.java

 1/**
 2 * AmbientTalk/2 Project
 3 * ATApplication.java created on 26-jul-2006 at 15:00:53
 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
30import edu.vub.at.objects.ATTable;
31
32/**
33 * The public interface to an application AG element.
34 * 
35 * <p>
36 * Example: <code>f(a, b, c)</code> where <code>f</code> is an expression that
37 * has to evaluate to a closure.
38 * </p><p>
39 * It is allowed to use splicing in the argument list, for example <code>f(a, @[b, c])</code>
40 * or <code>f(a, @t)</code>.
41 * </p><p>
42 * Note that <code>o.f(a, b, c)</code> is not represented with this interface,
43 * but rather with the combination of an {@link ATMessageSend} and an {@link ATMethodInvocationCreation}.
44 * </p>
45 * 
46 * @author tvc
47 */
48public interface ATApplication extends ATExpression {
49
50	/**
51	 * The function may be any AmbientTalk expression that evaluates to a closure.
52	 * Example: <code>`(f(1)(2)).function == `f(1)</code>
53	 * 
54	 * @return the function expression of the application
55	 */
56	public ATExpression base_function();
57	
58	/**
59	 * Zero, one or more arguments may be passed. It is allowed to use splicing
60	 * in the argument list, for example <code>f(a, @[b, c])</code> or <code>f(a, @t)</code>.
61	 * Example: <code>`(f(1, 2, @[3, 4])).arguments == `[1, 2, @[3, 4]]</code>
62	 * @return the argument list of the application
63	 */
64	public ATTable base_arguments();
65	
66}