Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ParseException |
|
| 5.0;5 |
1 | /* Generated By:JavaCC: Do not edit this line. ParseException.java Version 5.0 */ | |
2 | /* JavaCCOptions:KEEP_LINE_COL=null */ | |
3 | package org.apache.maven.surefire.group.parse; | |
4 | ||
5 | /** | |
6 | * This exception is thrown when parse errors are encountered. | |
7 | * You can explicitly create objects of this exception type by | |
8 | * calling the method generateParseException in the generated | |
9 | * parser. | |
10 | * | |
11 | * You can modify this class to customize your error reporting | |
12 | * mechanisms so long as you retain the public fields. | |
13 | */ | |
14 | public class ParseException extends Exception { | |
15 | ||
16 | /** | |
17 | * The version identifier for this Serializable class. | |
18 | * Increment only if the <i>serialized</i> form of the | |
19 | * class changes. | |
20 | */ | |
21 | private static final long serialVersionUID = 1L; | |
22 | ||
23 | /** | |
24 | * This constructor is used by the method "generateParseException" | |
25 | * in the generated parser. Calling this constructor generates | |
26 | * a new object of this type with the fields "currentToken", | |
27 | * "expectedTokenSequences", and "tokenImage" set. | |
28 | */ | |
29 | public ParseException(Token currentTokenVal, | |
30 | int[][] expectedTokenSequencesVal, | |
31 | String[] tokenImageVal | |
32 | ) | |
33 | { | |
34 | 0 | super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal)); |
35 | 0 | currentToken = currentTokenVal; |
36 | 0 | expectedTokenSequences = expectedTokenSequencesVal; |
37 | 0 | tokenImage = tokenImageVal; |
38 | 0 | } |
39 | ||
40 | /** | |
41 | * The following constructors are for use by you for whatever | |
42 | * purpose you can think of. Constructing the exception in this | |
43 | * manner makes the exception behave in the normal way - i.e., as | |
44 | * documented in the class "Throwable". The fields "errorToken", | |
45 | * "expectedTokenSequences", and "tokenImage" do not contain | |
46 | * relevant information. The JavaCC generated code does not use | |
47 | * these constructors. | |
48 | */ | |
49 | ||
50 | public ParseException() { | |
51 | 0 | super(); |
52 | 0 | } |
53 | ||
54 | /** Constructor with message. */ | |
55 | public ParseException(String message) { | |
56 | 0 | super(message); |
57 | 0 | } |
58 | ||
59 | ||
60 | /** | |
61 | * This is the last token that has been consumed successfully. If | |
62 | * this object has been created due to a parse error, the token | |
63 | * followng this token will (therefore) be the first error token. | |
64 | */ | |
65 | public Token currentToken; | |
66 | ||
67 | /** | |
68 | * Each entry in this array is an array of integers. Each array | |
69 | * of integers represents a sequence of tokens (by their ordinal | |
70 | * values) that is expected at this point of the parse. | |
71 | */ | |
72 | public int[][] expectedTokenSequences; | |
73 | ||
74 | /** | |
75 | * This is a reference to the "tokenImage" array of the generated | |
76 | * parser within which the parse error occurred. This array is | |
77 | * defined in the generated ...Constants interface. | |
78 | */ | |
79 | public String[] tokenImage; | |
80 | ||
81 | /** | |
82 | * It uses "currentToken" and "expectedTokenSequences" to generate a parse | |
83 | * error message and returns it. If this object has been created | |
84 | * due to a parse error, and you do not catch it (it gets thrown | |
85 | * from the parser) the correct error message | |
86 | * gets displayed. | |
87 | */ | |
88 | private static String initialise(Token currentToken, | |
89 | int[][] expectedTokenSequences, | |
90 | String[] tokenImage) { | |
91 | 0 | String eol = System.getProperty("line.separator", "\n"); |
92 | 0 | StringBuffer expected = new StringBuffer(); |
93 | 0 | int maxSize = 0; |
94 | 0 | for (int i = 0; i < expectedTokenSequences.length; i++) { |
95 | 0 | if (maxSize < expectedTokenSequences[i].length) { |
96 | 0 | maxSize = expectedTokenSequences[i].length; |
97 | } | |
98 | 0 | for (int j = 0; j < expectedTokenSequences[i].length; j++) { |
99 | 0 | expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' '); |
100 | } | |
101 | 0 | if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) { |
102 | 0 | expected.append("..."); |
103 | } | |
104 | 0 | expected.append(eol).append(" "); |
105 | } | |
106 | 0 | String retval = "Encountered \""; |
107 | 0 | Token tok = currentToken.next; |
108 | 0 | for (int i = 0; i < maxSize; i++) { |
109 | 0 | if (i != 0) retval += " "; |
110 | 0 | if (tok.kind == 0) { |
111 | 0 | retval += tokenImage[0]; |
112 | 0 | break; |
113 | } | |
114 | 0 | retval += " " + tokenImage[tok.kind]; |
115 | 0 | retval += " \""; |
116 | 0 | retval += add_escapes(tok.image); |
117 | 0 | retval += " \""; |
118 | 0 | tok = tok.next; |
119 | } | |
120 | 0 | retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn; |
121 | 0 | retval += "." + eol; |
122 | 0 | if (expectedTokenSequences.length == 1) { |
123 | 0 | retval += "Was expecting:" + eol + " "; |
124 | } else { | |
125 | 0 | retval += "Was expecting one of:" + eol + " "; |
126 | } | |
127 | 0 | retval += expected.toString(); |
128 | 0 | return retval; |
129 | } | |
130 | ||
131 | /** | |
132 | * The end of line string for this machine. | |
133 | */ | |
134 | 0 | protected String eol = System.getProperty("line.separator", "\n"); |
135 | ||
136 | /** | |
137 | * Used to convert raw characters to their escaped version | |
138 | * when these raw version cannot be used as part of an ASCII | |
139 | * string literal. | |
140 | */ | |
141 | static String add_escapes(String str) { | |
142 | 0 | StringBuffer retval = new StringBuffer(); |
143 | char ch; | |
144 | 0 | for (int i = 0; i < str.length(); i++) { |
145 | 0 | switch (str.charAt(i)) |
146 | { | |
147 | case 0 : | |
148 | 0 | continue; |
149 | case '\b': | |
150 | 0 | retval.append("\\b"); |
151 | 0 | continue; |
152 | case '\t': | |
153 | 0 | retval.append("\\t"); |
154 | 0 | continue; |
155 | case '\n': | |
156 | 0 | retval.append("\\n"); |
157 | 0 | continue; |
158 | case '\f': | |
159 | 0 | retval.append("\\f"); |
160 | 0 | continue; |
161 | case '\r': | |
162 | 0 | retval.append("\\r"); |
163 | 0 | continue; |
164 | case '\"': | |
165 | 0 | retval.append("\\\""); |
166 | 0 | continue; |
167 | case '\'': | |
168 | 0 | retval.append("\\\'"); |
169 | 0 | continue; |
170 | case '\\': | |
171 | 0 | retval.append("\\\\"); |
172 | 0 | continue; |
173 | default: | |
174 | 0 | if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { |
175 | 0 | String s = "0000" + Integer.toString(ch, 16); |
176 | 0 | retval.append("\\u" + s.substring(s.length() - 4, s.length())); |
177 | 0 | } else { |
178 | 0 | retval.append(ch); |
179 | } | |
180 | continue; | |
181 | } | |
182 | } | |
183 | 0 | return retval.toString(); |
184 | } | |
185 | ||
186 | } | |
187 | /* JavaCC - OriginalChecksum=eea459f85fb57c799acf21ea5849a7f6 (do not edit this line) */ |