1 /*
2 * Copyright (c) 1997, 2013, 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 0.7pre2 */
27 package com.sun.jmx.snmp.IPAcl;
28
29 class TokenMgrError extends Error
30 {
31 private static final long serialVersionUID = -6373071623408870347L;
32
33 /*
34 * Ordinals for various reasons why an Error of this type can be thrown.
35 */
36
37 /**
38 * Lexical error occurred.
39 */
40 static final int LEXICAL_ERROR = 0;
41
42 /**
43 * An attempt wass made to create a second instance of a static token manager.
44 */
45 static final int STATIC_LEXER_ERROR = 1;
46
47 /**
48 * Tried to change to an invalid lexical state.
49 */
50 static final int INVALID_LEXICAL_STATE = 2;
51
52 /**
53 * Detected (and bailed out of) an infinite loop in the token manager.
54 */
55 static final int LOOP_DETECTED = 3;
56
57 /**
58 * Indicates the reason why the exception is thrown. It will have
59 * one of the above 4 values.
60 */
61 int errorCode;
62
63 /**
64 * Replaces unprintable characters by their espaced (or unicode escaped)
65 * equivalents in the given string
66 */
67 protected static final String addEscapes(String str) {
68 StringBuilder retval = new StringBuilder();
69 char ch;
70 for (int i = 0; i < str.length(); i++) {
71 switch (str.charAt(i))
72 {
73 case 0 :
74 continue;
75 case '\b':
76 retval.append("\\b");
77 continue;
78 case '\t':
79 retval.append("\\t");
80 continue;
81 case '\n':
82 retval.append("\\n");
83 continue;
84 case '\f':
85 retval.append("\\f");
86 continue;
87 case '\r':
88 retval.append("\\r");
89 continue;
90 case '\"':
91 retval.append("\\\"");
92 continue;
93 case '\'':
94 retval.append("\\\'");
95 continue;
96 case '\\':
97 retval.append("\\\\");
98 continue;
99 default:
100 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
101 String s = "0000" + Integer.toString(ch, 16);
102 retval.append("\\u").append(s.substring(s.length() - 4, s.length()));
103 } else {
104 retval.append(ch);
105 }
106 continue;
107 }
108 }
109 return retval.toString();
110 }
111
112 /**
113 * Returns a detailed message for the Error when it is thrown by the
114 * token manager to indicate a lexical error.
115 * Parameters :
116 * EOFSeen : indicates if EOF caused the lexicl error
117 * curLexState : lexical state in which this error occurred
118 * errorLine : line number when the error occurred
119 * errorColumn : column number when the error occurred
120 * errorAfter : prefix that was seen before this error occurred
121 * curchar : the offending character
122 * Note: You can customize the lexical error message by modifying this method.
123 */
124 private static final String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
125 return("Lexical error at line " +
126 errorLine + ", column " +
127 errorColumn + ". Encountered: " +
128 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
129 "after : \"" + addEscapes(errorAfter) + "\"");
130 }
131
132 /**
133 * You can also modify the body of this method to customize your error messages.
134 * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
135 * of end-users concern, so you can return something like :
136 *
137 * "Internal Error : Please file a bug report .... "
138 *
139 * from this method for such cases in the release version of your parser.
140 */
141 public String getMessage() {
142 return super.getMessage();
143 }
144
145 /*
146 * Constructors of various flavors follow.
147 */
148
149 public TokenMgrError() {
150 }
151
152 public TokenMgrError(String message, int reason) {
153 super(message);
154 errorCode = reason;
155 }
156
157 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
158 this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
159 }
160 }