1 | /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */ |
2 | /* JavaCCOptions: */ |
3 | /* |
4 | * jDTAUS Core RI Client Container |
5 | * Copyright (C) 2005 Christian Schulte |
6 | * <cs@schulte.it> |
7 | * |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public |
10 | * License as published by the Free Software Foundation; either |
11 | * version 2.1 of the License, or any later version. |
12 | * |
13 | * This library is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
21 | * |
22 | * $JDTAUS: VersionParser.jj 8641 2012-09-27 06:45:17Z schulte $ |
23 | * |
24 | */ |
25 | package org.jdtaus.core.container.ri.client.versioning; |
26 | |
27 | /** Token Manager Error. */ |
28 | public class TokenMgrError extends Error |
29 | { |
30 | |
31 | /** |
32 | * The version identifier for this Serializable class. |
33 | * Increment only if the <i>serialized</i> form of the |
34 | * class changes. |
35 | */ |
36 | private static final long serialVersionUID = 1L; |
37 | |
38 | /* |
39 | * Ordinals for various reasons why an Error of this type can be thrown. |
40 | */ |
41 | |
42 | /** |
43 | * Lexical error occurred. |
44 | */ |
45 | static final int LEXICAL_ERROR = 0; |
46 | |
47 | /** |
48 | * An attempt was made to create a second instance of a static token manager. |
49 | */ |
50 | static final int STATIC_LEXER_ERROR = 1; |
51 | |
52 | /** |
53 | * Tried to change to an invalid lexical state. |
54 | */ |
55 | static final int INVALID_LEXICAL_STATE = 2; |
56 | |
57 | /** |
58 | * Detected (and bailed out of) an infinite loop in the token manager. |
59 | */ |
60 | static final int LOOP_DETECTED = 3; |
61 | |
62 | /** |
63 | * Indicates the reason why the exception is thrown. It will have |
64 | * one of the above 4 values. |
65 | */ |
66 | int errorCode; |
67 | |
68 | /** |
69 | * Replaces unprintable characters by their escaped (or unicode escaped) |
70 | * equivalents in the given string |
71 | */ |
72 | protected static final String addEscapes(String str) { |
73 | StringBuffer retval = new StringBuffer(); |
74 | char ch; |
75 | for (int i = 0; i < str.length(); i++) { |
76 | switch (str.charAt(i)) |
77 | { |
78 | case 0 : |
79 | continue; |
80 | case '\b': |
81 | retval.append("\\b"); |
82 | continue; |
83 | case '\t': |
84 | retval.append("\\t"); |
85 | continue; |
86 | case '\n': |
87 | retval.append("\\n"); |
88 | continue; |
89 | case '\f': |
90 | retval.append("\\f"); |
91 | continue; |
92 | case '\r': |
93 | retval.append("\\r"); |
94 | continue; |
95 | case '\"': |
96 | retval.append("\\\""); |
97 | continue; |
98 | case '\'': |
99 | retval.append("\\\'"); |
100 | continue; |
101 | case '\\': |
102 | retval.append("\\\\"); |
103 | continue; |
104 | default: |
105 | if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { |
106 | String s = "0000" + Integer.toString(ch, 16); |
107 | retval.append("\\u" + s.substring(s.length() - 4, s.length())); |
108 | } else { |
109 | retval.append(ch); |
110 | } |
111 | continue; |
112 | } |
113 | } |
114 | return retval.toString(); |
115 | } |
116 | |
117 | /** |
118 | * Returns a detailed message for the Error when it is thrown by the |
119 | * token manager to indicate a lexical error. |
120 | * Parameters : |
121 | * EOFSeen : indicates if EOF caused the lexical error |
122 | * curLexState : lexical state in which this error occurred |
123 | * errorLine : line number when the error occurred |
124 | * errorColumn : column number when the error occurred |
125 | * errorAfter : prefix that was seen before this error occurred |
126 | * curchar : the offending character |
127 | * Note: You can customize the lexical error message by modifying this method. |
128 | */ |
129 | protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { |
130 | return("Lexical error at line " + |
131 | errorLine + ", column " + |
132 | errorColumn + ". Encountered: " + |
133 | (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + |
134 | "after : \"" + addEscapes(errorAfter) + "\""); |
135 | } |
136 | |
137 | /** |
138 | * You can also modify the body of this method to customize your error messages. |
139 | * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not |
140 | * of end-users concern, so you can return something like : |
141 | * |
142 | * "Internal Error : Please file a bug report .... " |
143 | * |
144 | * from this method for such cases in the release version of your parser. |
145 | */ |
146 | public String getMessage() { |
147 | return super.getMessage(); |
148 | } |
149 | |
150 | /* |
151 | * Constructors of various flavors follow. |
152 | */ |
153 | |
154 | /** No arg constructor. */ |
155 | public TokenMgrError() { |
156 | } |
157 | |
158 | /** Constructor with message and reason. */ |
159 | public TokenMgrError(String message, int reason) { |
160 | super(message); |
161 | errorCode = reason; |
162 | } |
163 | |
164 | /** Full Constructor. */ |
165 | public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { |
166 | this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); |
167 | } |
168 | } |
169 | /* JavaCC - OriginalChecksum=73045f45dad508a1341830776d83e36c (do not edit this line) */ |