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) */