/interpreter/tags/at2dist030708/src/edu/vub/at/objects/grammar/ATAssignVariable.java
Java | 59 lines | 5 code | 5 blank | 49 comment | 0 complexity | 6f3e9d72885d420371c924dda7aed16b MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * ATAssignVariable.java created on 26-jul-2006 at 14:55:05 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/** 32 * The public interface to a variable assignment AG element. 33 * 34 * <p> 35 * Example: <code>x := 5</code> 36 * </p><p> 37 * The left-hand side must be a literal symbol available in the 38 * lexical scope. 39 * </p> 40 * 41 * @author tvc 42 */ 43public interface ATAssignVariable extends ATAssignment { 44 45 /** 46 * The name of the variable must be a literal symbol 47 * Example: <code>`{ x := 5}.statements[1].name == `x</code> 48 * @return The name of the variable 49 */ 50 public ATSymbol base_name(); 51 52 /** 53 * The value expression may be any valid AmbientTalk expression. 54 * Example: <code>`{ x := 5}.statements[1].valueExpression == `5</code> 55 * @return The expression for the value that will be assigned to the variable 56 */ 57 public ATExpression base_valueExpression(); 58 59}