1/* 2 * [The "BSD license"] 3 * Copyright (c) 2010 Terence Parr 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28package org.antlr.tool; 29 30import org.antlr.runtime.Token; 31import org.stringtemplate.v4.ST; 32 33/** A problem with the symbols and/or meaning of a grammar such as rule 34 * redefinition. 35 */ 36public class GrammarSemanticsMessage extends Message { 37 public Grammar g; 38 /** Most of the time, we'll have a token such as an undefined rule ref 39 * and so this will be set. 40 */ 41 public Token offendingToken; 42 43 public GrammarSemanticsMessage(int msgID, 44 Grammar g, 45 Token offendingToken) 46 { 47 this(msgID,g,offendingToken,null,null); 48 } 49 50 public GrammarSemanticsMessage(int msgID, 51 Grammar g, 52 Token offendingToken, 53 Object arg) 54 { 55 this(msgID,g,offendingToken,arg,null); 56 } 57 58 public GrammarSemanticsMessage(int msgID, 59 Grammar g, 60 Token offendingToken, 61 Object arg, 62 Object arg2) 63 { 64 super(msgID,arg,arg2); 65 this.g = g; 66 this.offendingToken = offendingToken; 67 } 68 69 public String toString() { 70 line = 0; 71 column = 0; 72 if ( offendingToken!=null ) { 73 line = offendingToken.getLine(); 74 column = offendingToken.getCharPositionInLine(); 75 } 76 if ( g!=null ) { 77 file = g.getFileName(); 78 } 79 ST st = getMessageTemplate(); 80 if ( arg!=null ) { 81 st.add("arg", arg); 82 } 83 if ( arg2!=null ) { 84 st.add("arg2", arg2); 85 } 86 return super.toString(st); 87 } 88} 89