1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */ 27 package com.sun.xml.internal.xsom.impl.scd; 28 29 public class TokenMgrError extends Error 30 { 31 /* 32 * Ordinals for various reasons why an Error of this type can be thrown. 33 */ 34 35 /** 36 * Lexical error occured. 37 */ 38 static final int LEXICAL_ERROR = 0; 39 40 /** 41 * An attempt wass made to create a second instance of a static token manager. 42 */ 43 static final int STATIC_LEXER_ERROR = 1; 44 45 /** 46 * Tried to change to an invalid lexical state. 47 */ 48 static final int INVALID_LEXICAL_STATE = 2; 49 50 /** 51 * Detected (and bailed out of) an infinite loop in the token manager. 52 */ 53 static final int LOOP_DETECTED = 3; 54 55 /** 56 * Indicates the reason why the exception is thrown. It will have 57 * one of the above 4 values. 58 */ 59 int errorCode; 60 61 /** 62 * Replaces unprintable characters by their espaced (or unicode escaped) 63 * equivalents in the given string 64 */ addEscapes(String str)65 protected static final String addEscapes(String str) { 66 StringBuffer retval = new StringBuffer(); 67 char ch; 68 for (int i = 0; i < str.length(); i++) { 69 switch (str.charAt(i)) 70 { 71 case 0 : 72 continue; 73 case '\b': 74 retval.append("\\b"); 75 continue; 76 case '\t': 77 retval.append("\\t"); 78 continue; 79 case '\n': 80 retval.append("\\n"); 81 continue; 82 case '\f': 83 retval.append("\\f"); 84 continue; 85 case '\r': 86 retval.append("\\r"); 87 continue; 88 case '\"': 89 retval.append("\\\""); 90 continue; 91 case '\'': 92 retval.append("\\\'"); 93 continue; 94 case '\\': 95 retval.append("\\\\"); 96 continue; 97 default: 98 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { 99 String s = "0000" + Integer.toString(ch, 16); 100 retval.append("\\u" + s.substring(s.length() - 4, s.length())); 101 } else { 102 retval.append(ch); 103 } 104 continue; 105 } 106 } 107 return retval.toString(); 108 } 109 110 /** 111 * Returns a detailed message for the Error when it is thrown by the 112 * token manager to indicate a lexical error. 113 * Parameters : 114 * EOFSeen : indicates if EOF caused the lexicl error 115 * curLexState : lexical state in which this error occured 116 * errorLine : line number when the error occured 117 * errorColumn : column number when the error occured 118 * errorAfter : prefix that was seen before this error occured 119 * curchar : the offending character 120 * Note: You can customize the lexical error message by modifying this method. 121 */ LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar)122 protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { 123 return("Lexical error at line " + 124 errorLine + ", column " + 125 errorColumn + ". Encountered: " + 126 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + 127 "after : \"" + addEscapes(errorAfter) + "\""); 128 } 129 130 /** 131 * You can also modify the body of this method to customize your error messages. 132 * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not 133 * of end-users concern, so you can return something like : 134 * 135 * "Internal Error : Please file a bug report .... " 136 * 137 * from this method for such cases in the release version of your parser. 138 */ getMessage()139 public String getMessage() { 140 return super.getMessage(); 141 } 142 143 /* 144 * Constructors of various flavors follow. 145 */ 146 TokenMgrError()147 public TokenMgrError() { 148 } 149 TokenMgrError(String message, int reason)150 public TokenMgrError(String message, int reason) { 151 super(message); 152 errorCode = reason; 153 } 154 TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason)155 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { 156 this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); 157 } 158 } 159