/interpreter/tags/at2dist090708/src/edu/vub/at/exceptions/XIllegalUnquote.java
Java | 69 lines | 17 code | 8 blank | 44 comment | 0 complexity | 0b4ec5b856e74bc25b89586b2873b88d MD5 | raw file
1/** 2 * AmbientTalk/2 Project 3 * XIllegalUnquote.java created on 28-jul-2006 at 16:48:23 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.exceptions; 29 30import edu.vub.at.objects.ATTypeTag; 31import edu.vub.at.objects.coercion.NativeTypeTags; 32import edu.vub.at.objects.grammar.ATExpression; 33 34/** 35 * An XIllegalUnquote exception is raised when an unquotation is discovered in a non-quoted 36 * piece of source code. In other words, this exception is raised when trying to evaluate an 37 * {@link edu.vub.at.objects.natives.grammar.AGUnquote} element rather than quoting it. 38 * 39 * @author tvc 40 */ 41public final class XIllegalUnquote extends InterpreterException { 42 43 private static final long serialVersionUID = -396801039714856213L; 44 45 private static final String _MESSAGE_ = "Unquoted expression in non-quoted expression"; 46 47 private final ATExpression unquotation_; 48 49 /** 50 * Constructor reporting that an attempt was made to evaluate an unquoted piece of source code 51 * @param unquotation the unquoted source code being evaluated 52 * 53 * @see edu.vub.at.objects.natives.grammar.AGUnquote#meta_eval(ATContext) 54 * @see edu.vub.at.objects.natives.grammar.AGUnquoteSplice#meta_eval(ATContext) 55 */ 56 public XIllegalUnquote(ATExpression unquotation) { 57 super(_MESSAGE_); 58 unquotation_ = unquotation; 59 } 60 61 /** 62 * @return the unquoted grammar element that was being evaluated. 63 */ 64 public ATExpression getUnquotation() { return unquotation_; } 65 66 public ATTypeTag getType() { 67 return NativeTypeTags._ILLUQUOTE_; 68 } 69}