001 /* 002 * Cobertura - http://cobertura.sourceforge.net/ 003 * 004 * This file was taken from JavaNCSS 005 * http://www.kclee.com/clemens/java/javancss/ 006 * Copyright (C) 2000 Chr. Clemens Lee <clemens a.t kclee d.o.t com> 007 * 008 * Cobertura is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU General Public License as published 010 * by the Free Software Foundation; either version 2 of the License, 011 * or (at your option) any later version. 012 * 013 * Cobertura is distributed in the hope that it will be useful, but 014 * WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 016 * General Public License for more details. 017 * 018 * You should have received a copy of the GNU General Public License 019 * along with Cobertura; if not, write to the Free Software 020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 021 * USA 022 */ 023 024 025 /* 026 * 027 * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING 028 * 029 * WARNING TO COBERTURA DEVELOPERS 030 * 031 * DO NOT MODIFY THIS FILE! 032 * 033 * MODIFY THE FILES UNDER THE JAVANCSS DIRECTORY LOCATED AT THE ROOT OF THE COBERTURA PROJECT. 034 * 035 * FOLLOW THE PROCEDURE FOR MERGING THE LATEST JAVANCSS INTO COBERTURA LOCATED AT 036 * javancss/coberturaREADME.txt 037 * 038 * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING 039 */ 040 /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 4.1 */ 041 /* JavaCCOptions: */ 042 //cobertura - put the import on its own line - otherwise, it messes up the script that changes the package. 043 package net.sourceforge.cobertura.javancss.parser.debug; 044 045 /** Token Manager Error. */ 046 public class TokenMgrError extends Error 047 { 048 049 /* 050 * Ordinals for various reasons why an Error of this type can be thrown. 051 */ 052 053 /** 054 * Lexical error occurred. 055 */ 056 static final int LEXICAL_ERROR = 0; 057 058 /** 059 * An attempt was made to create a second instance of a static token manager. 060 */ 061 static final int STATIC_LEXER_ERROR = 1; 062 063 /** 064 * Tried to change to an invalid lexical state. 065 */ 066 static final int INVALID_LEXICAL_STATE = 2; 067 068 /** 069 * Detected (and bailed out of) an infinite loop in the token manager. 070 */ 071 static final int LOOP_DETECTED = 3; 072 073 /** 074 * Indicates the reason why the exception is thrown. It will have 075 * one of the above 4 values. 076 */ 077 int errorCode; 078 079 /** 080 * Replaces unprintable characters by their escaped (or unicode escaped) 081 * equivalents in the given string 082 */ 083 protected static final String addEscapes(String str) { 084 StringBuffer retval = new StringBuffer(); 085 char ch; 086 for (int i = 0; i < str.length(); i++) { 087 switch (str.charAt(i)) 088 { 089 case 0 : 090 continue; 091 case '\b': 092 retval.append("\\b"); 093 continue; 094 case '\t': 095 retval.append("\\t"); 096 continue; 097 case '\n': 098 retval.append("\\n"); 099 continue; 100 case '\f': 101 retval.append("\\f"); 102 continue; 103 case '\r': 104 retval.append("\\r"); 105 continue; 106 case '\"': 107 retval.append("\\\""); 108 continue; 109 case '\'': 110 retval.append("\\\'"); 111 continue; 112 case '\\': 113 retval.append("\\\\"); 114 continue; 115 default: 116 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { 117 String s = "0000" + Integer.toString(ch, 16); 118 retval.append("\\u" + s.substring(s.length() - 4, s.length())); 119 } else { 120 retval.append(ch); 121 } 122 continue; 123 } 124 } 125 return retval.toString(); 126 } 127 128 /** 129 * Returns a detailed message for the Error when it is thrown by the 130 * token manager to indicate a lexical error. 131 * Parameters : 132 * EOFSeen : indicates if EOF caused the lexical error 133 * curLexState : lexical state in which this error occurred 134 * errorLine : line number when the error occurred 135 * errorColumn : column number when the error occurred 136 * errorAfter : prefix that was seen before this error occurred 137 * curchar : the offending character 138 * Note: You can customize the lexical error message by modifying this method. 139 */ 140 protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { 141 return("Lexical error at line " + 142 errorLine + ", column " + 143 errorColumn + ". Encountered: " + 144 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + 145 "after : \"" + addEscapes(errorAfter) + "\""); 146 } 147 148 /** 149 * You can also modify the body of this method to customize your error messages. 150 * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not 151 * of end-users concern, so you can return something like : 152 * 153 * "Internal Error : Please file a bug report .... " 154 * 155 * from this method for such cases in the release version of your parser. 156 */ 157 public String getMessage() { 158 return super.getMessage(); 159 } 160 161 /* 162 * Constructors of various flavors follow. 163 */ 164 165 /** No arg constructor. */ 166 public TokenMgrError() { 167 } 168 169 /** Constructor with message and reason. */ 170 public TokenMgrError(String message, int reason) { 171 super(message); 172 errorCode = reason; 173 } 174 175 /** Full Constructor. */ 176 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { 177 this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); 178 } 179 } 180 /* JavaCC - OriginalChecksum=78b83ead2b9be6e85dfd6cf582647f66 (do not edit this line) */