/interpreter/tags/at2-build190607/src/edu/vub/at/objects/grammar/ATMessageSend.java
Java | 65 lines | 7 code | 6 blank | 52 comment | 0 complexity | d18eaed270d98f69b8c353f765fdeaa2 MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * ATMessageSend.java created on 26-jul-2006 at 14:58:25 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.ATNil; 31 32/** 33 * The public interface to a synchronous or asynchronous message send AG element. 34 * 35 * Message sends of the form <code>o.m()</code> are transformed into <MESSAGE-SEND o <METHOD-INVOCATION m []>> 36 * Message sends of the form <code>o<-m()</code> are transformed into <MESSAGE-SEND o <ASYNC-MESSAGE m []>> 37 * Message sends of the form <code>o^m()</code> are transformed into <MESSAGE-SEND o <DELEGATION m []>> 38 * Message sends of the form <code>o<+exp</code> are transformed into <MESSAGE-SEND o <EXPRESSION exp>> 39 * 40 * @author tvcutsem 41 */ 42public interface ATMessageSend extends ATExpression { 43 44 /** 45 * The receiver may be any valid AmbientTalk expression 46 * Example: <code>`(f().m()).getReceiverExpression() == `(f())</code> 47 * @return the receiver of the message 48 */ 49 public ATExpression base_getReceiverExpression(); 50 51 /** 52 * @param rcv the new receiver 53 * @return nil 54 */ 55 public ATNil base_setReceiverExpression(ATExpression rcv); 56 57 /** 58 * The message to be sent must be an AmbientTalk expression that evaluates 59 * to a message. 60 * Example: <code>`(f().m()).getMessageExpression() == `(.m())</code> 61 * @return the message expression 62 */ 63 public ATExpression base_getMessageExpression(); 64 65}