1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 7.0 */
/* JavaCCOptions: */
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tomcat.util.json;
/** Token Manager Error. */
@SuppressWarnings("all") // Ignore warnings in generated code
public class TokenMgrError extends Error {
/**
* The version identifier for this Serializable class. Increment only if the <i>serialized</i> form of the class
* changes.
*/
private static final long serialVersionUID = 1L;
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Lexical error occurred.
*/
public static final int LEXICAL_ERROR = 0;
/**
* An attempt was made to create a second instance of a static token manager.
*/
public static final int STATIC_LEXER_ERROR = 1;
/**
* Tried to change to an invalid lexical state.
*/
public static final int INVALID_LEXICAL_STATE = 2;
/**
* Detected (and bailed out of) an infinite loop in the token manager.
*/
public static final int LOOP_DETECTED = 3;
/**
* Indicates the reason why the exception is thrown. It will have one of the above 4 values.
*/
int errorCode;
/**
* Replaces unprintable characters by their escaped (or unicode escaped) equivalents in the given string
*/
protected static final String addEscapes(String str) {
StringBuffer retval = new StringBuffer();
char ch;
for (int i = 0; i < str.length(); i++) {
switch (str.charAt(i)) {
case '\b':
retval.append("\\b");
continue;
case '\t':
retval.append("\\t");
continue;
case '\n':
retval.append("\\n");
continue;
case '\f':
retval.append("\\f");
continue;
case '\r':
retval.append("\\r");
continue;
case '\"':
retval.append("\\\"");
continue;
case '\'':
retval.append("\\\'");
continue;
case '\\':
retval.append("\\\\");
continue;
default:
if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
String s = "0000" + Integer.toString(ch, 16);
retval.append("\\u" + s.substring(s.length() - 4, s.length()));
} else {
retval.append(ch);
}
continue;
}
}
return retval.toString();
}
/**
* Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
* Parameters : EOFSeen : indicates if EOF caused the lexical error curLexState : lexical state in which this error
* occurred errorLine : line number when the error occurred errorColumn : column number when the error occurred
* errorAfter : prefix that was seen before this error occurred curchar : the offending character Note: You can
* customize the lexical error message by modifying this method.
*/
protected static String LexicalErr(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter,
int curChar) {
char curChar1 = (char) curChar;
return ("Lexical error at line " + errorLine + ", column " + errorColumn + ". Encountered: " +
(EOFSeen ? "<EOF> " :
("\"" + addEscapes(String.valueOf(curChar1)) + "\"") + " (" + (int) curChar + "), ") +
"after : \"" + addEscapes(errorAfter) + "\"");
}
/**
* You can also modify the body of this method to customize your error messages. For example, cases like
* LOOP_DETECTED and INVALID_LEXICAL_STATE are not of end-users concern, so you can return something like :
* "Internal Error : Please file a bug report .... " from this method for such cases in the release version of your
* parser.
*/
public String getMessage() {
return super.getMessage();
}
/*
* Constructors of various flavors follow.
*/
/** No arg constructor. */
public TokenMgrError() {
}
/** Constructor with message and reason. */
public TokenMgrError(String message, int reason) {
super(message);
errorCode = reason;
}
/** Full Constructor. */
public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar,
int reason) {
this(LexicalErr(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
}
}
/* JavaCC - OriginalChecksum=7da4e668c47dee63e10c9b008699a2ca (do not edit this line) */
|
