1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 0.7pre2 */ |
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27 package com.sun.jmx.snmp.IPAcl; |
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28 |
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29 class TokenMgrError extends Error |
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30 { |
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31 private static final long serialVersionUID = -6373071623408870347L; |
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32 |
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33 /* |
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34 * Ordinals for various reasons why an Error of this type can be thrown. |
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35 */ |
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36 |
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37 /** |
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38 * Lexical error occurred. |
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39 */ |
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40 static final int LEXICAL_ERROR = 0; |
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41 |
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42 /** |
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43 * An attempt wass made to create a second instance of a static token manager. |
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44 */ |
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45 static final int STATIC_LEXER_ERROR = 1; |
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46 |
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47 /** |
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48 * Tried to change to an invalid lexical state. |
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49 */ |
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50 static final int INVALID_LEXICAL_STATE = 2; |
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51 |
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52 /** |
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53 * Detected (and bailed out of) an infinite loop in the token manager. |
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54 */ |
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55 static final int LOOP_DETECTED = 3; |
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56 |
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57 /** |
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58 * Indicates the reason why the exception is thrown. It will have |
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59 * one of the above 4 values. |
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60 */ |
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61 int errorCode; |
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62 |
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63 /** |
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64 * Replaces unprintable characters by their espaced (or unicode escaped) |
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65 * equivalents in the given string |
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66 */ |
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67 protected static final String addEscapes(String str) { |
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68 StringBuilder retval = new StringBuilder(); |
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69 char ch; |
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70 for (int i = 0; i < str.length(); i++) { |
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71 switch (str.charAt(i)) |
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72 { |
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73 case 0 : |
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74 continue; |
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75 case '\b': |
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76 retval.append("\\b"); |
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77 continue; |
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78 case '\t': |
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79 retval.append("\\t"); |
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80 continue; |
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81 case '\n': |
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82 retval.append("\\n"); |
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83 continue; |
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84 case '\f': |
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85 retval.append("\\f"); |
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86 continue; |
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87 case '\r': |
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88 retval.append("\\r"); |
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89 continue; |
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90 case '\"': |
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91 retval.append("\\\""); |
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92 continue; |
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93 case '\'': |
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94 retval.append("\\\'"); |
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95 continue; |
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96 case '\\': |
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97 retval.append("\\\\"); |
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98 continue; |
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99 default: |
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100 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { |
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101 String s = "0000" + Integer.toString(ch, 16); |
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102 retval.append("\\u" + s.substring(s.length() - 4, s.length())); |
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103 } else { |
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104 retval.append(ch); |
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105 } |
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106 continue; |
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107 } |
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108 } |
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109 return retval.toString(); |
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110 } |
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111 |
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112 /** |
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113 * Returns a detailed message for the Error when it is thrown by the |
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114 * token manager to indicate a lexical error. |
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115 * Parameters : |
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116 * EOFSeen : indicates if EOF caused the lexicl error |
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117 * curLexState : lexical state in which this error occurred |
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118 * errorLine : line number when the error occurred |
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119 * errorColumn : column number when the error occurred |
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120 * errorAfter : prefix that was seen before this error occurred |
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121 * curchar : the offending character |
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122 * Note: You can customize the lexical error message by modifying this method. |
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123 */ |
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124 private static final String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { |
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125 return("Lexical error at line " + |
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126 errorLine + ", column " + |
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127 errorColumn + ". Encountered: " + |
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128 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + |
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129 "after : \"" + addEscapes(errorAfter) + "\""); |
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130 } |
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131 |
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132 /** |
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133 * You can also modify the body of this method to customize your error messages. |
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134 * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not |
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135 * of end-users concern, so you can return something like : |
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136 * |
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137 * "Internal Error : Please file a bug report .... " |
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138 * |
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139 * from this method for such cases in the release version of your parser. |
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140 */ |
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141 public String getMessage() { |
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142 return super.getMessage(); |
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143 } |
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144 |
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145 /* |
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146 * Constructors of various flavors follow. |
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147 */ |
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148 |
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149 public TokenMgrError() { |
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150 } |
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151 |
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152 public TokenMgrError(String message, int reason) { |
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153 super(message); |
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154 errorCode = reason; |
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155 } |
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156 |
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157 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { |
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158 this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); |
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159 } |
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160 } |
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