/interpreter/tags/at2dist110511/src/edu/vub/at/objects/grammar/ATMessageCreation.java
Java | 63 lines | 7 code | 6 blank | 50 comment | 0 complexity | b86998eaab1270fc7639630020847a94 MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * ATMessageCreation.java created on 26-jul-2006 at 15:08:00 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 a first-class message AG element. 34 * An ATMessageCreation may represent synchronous, asynchronous or delegation messages. 35 * An abstract message at least contains a selector, arguments and annotations (type tags) 36 * 37 * @author tvcutsem 38 */ 39public interface ATMessageCreation extends ATExpression { 40 41 /** 42 * Messages always have a selector, a symbol denoting the field or method that 43 * needs to be sought for. 44 * Example: <code>`(<-m()).selector == `m</code> 45 * @return a symbol denoting the selector 46 */ 47 public ATSymbol base_selector(); 48 49 /** 50 * Messages may optionally have arguments if they represent invocations. 51 * Splicing is allowed in the argument list 52 * Example: <code>`(<-m(a, @b)).arguments == `[a, @b]</code> 53 * @return the arguments passed to the invocation 54 */ 55 public ATTable base_arguments(); 56 57 /** 58 * Messages may optionally have annotations (type tags) 59 * @return the annotations of the message 60 */ 61 public ATExpression base_annotations(); 62 63}