Clover coverage report - PMD - 3.7
Coverage timestamp: Wed May 31 2006 09:25:59 EDT

file stats: | LOC: | 194 |  | Methods: | 5
| NCLOC: | 107 |  | Classes: | 1

Source file | Conditionals | Statements | Methods | TOTAL

ParseException.java

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1 |  | /* Generated By:JavaCC: Do not edit this line. ParseException.java Version 3.0 */
2 |  | /**
3 |  | * JSP Parser for PMD.
4 |  | * @author Pieter � Application Engineers NV/SA � http://www.ae.be
5 |  | */
6 |  |
7 |  | package net.sourceforge.pmd.jsp.ast;
8 |  |
9 |  | /**
10 |  | * This exception is thrown when parse errors are encountered.
11 |  | * You can explicitly create objects of this exception type by
12 |  | * calling the method generateParseException in the generated
13 |  | * parser.
14 |  | * <p/>
15 |  | * You can modify this class to customize your error reporting
16 |  | * mechanisms so long as you retain the public fields.
17 |  | */
18 |  | public class ParseException extends net.sourceforge.pmd.ast.ParseException {
19 |  |
20 |  | /**
21 |  | * This constructor is used by the method "generateParseException"
22 |  | * in the generated parser. Calling this constructor generates
23 |  | * a new object of this type with the fields "currentToken",
24 |  | * "expectedTokenSequences", and "tokenImage" set. The boolean
25 |  | * flag "specialConstructor" is also set to true to indicate that
26 |  | * this constructor was used to create this object.
27 |  | * This constructor calls its super class with the empty string
28 |  | * to force the "toString" method of parent class "Throwable" to
29 |  | * print the error message in the form:
30 |  | * ParseException: <result of getMessage>
31 |  | */
32 | 0 | public ParseException(Token currentTokenVal,
33 |  | int[][] expectedTokenSequencesVal,
34 |  | String[] tokenImageVal) {
35 | 0 | super("");
36 | 0 | specialConstructor = true;
37 | 0 | currentToken = currentTokenVal;
38 | 0 | expectedTokenSequences = expectedTokenSequencesVal;
39 | 0 | tokenImage = tokenImageVal;
40 |  | }
41 |  |
42 |  | /**
43 |  | * The following constructors are for use by you for whatever
44 |  | * purpose you can think of. Constructing the exception in this
45 |  | * manner makes the exception behave in the normal way - i.e., as
46 |  | * documented in the class "Throwable". The fields "errorToken",
47 |  | * "expectedTokenSequences", and "tokenImage" do not contain
48 |  | * relevant information. The JavaCC generated code does not use
49 |  | * these constructors.
50 |  | */
51 |  |
52 | 0 | public ParseException() {
53 | 0 | super();
54 | 0 | specialConstructor = false;
55 |  | }
56 |  |
57 | 0 | public ParseException(String message) {
58 | 0 | super(message);
59 | 0 | specialConstructor = false;
60 |  | }
61 |  |
62 |  | /**
63 |  | * This variable determines which constructor was used to create
64 |  | * this object and thereby affects the semantics of the
65 |  | * "getMessage" method (see below).
66 |  | */
67 |  | protected boolean specialConstructor;
68 |  |
69 |  | /**
70 |  | * This is the last token that has been consumed successfully. If
71 |  | * this object has been created due to a parse error, the token
72 |  | * followng this token will (therefore) be the first error token.
73 |  | */
74 |  | public Token currentToken;
75 |  |
76 |  | /**
77 |  | * Each entry in this array is an array of integers. Each array
78 |  | * of integers represents a sequence of tokens (by their ordinal
79 |  | * values) that is expected at this point of the parse.
80 |  | */
81 |  | public int[][] expectedTokenSequences;
82 |  |
83 |  | /**
84 |  | * This is a reference to the "tokenImage" array of the generated
85 |  | * parser within which the parse error occurred. This array is
86 |  | * defined in the generated ...Constants interface.
87 |  | */
88 |  | public String[] tokenImage;
89 |  |
90 |  | /**
91 |  | * This method has the standard behavior when this object has been
92 |  | * created using the standard constructors. Otherwise, it uses
93 |  | * "currentToken" and "expectedTokenSequences" to generate a parse
94 |  | * error message and returns it. If this object has been created
95 |  | * due to a parse error, and you do not catch it (it gets thrown
96 |  | * from the parser), then this method is called during the printing
97 |  | * of the final stack trace, and hence the correct error message
98 |  | * gets displayed.
99 |  | */
100 | 0 | public String getMessage() {
101 | 0 | if (!specialConstructor) {
102 | 0 | return super.getMessage();
103 |  | }
104 | 0 | String expected = "";
105 | 0 | int maxSize = 0;
106 | 0 | for (int i = 0; i < expectedTokenSequences.length; i++) {
107 | 0 | if (maxSize < expectedTokenSequences[i].length) {
108 | 0 | maxSize = expectedTokenSequences[i].length;
109 |  | }
110 | 0 | for (int j = 0; j < expectedTokenSequences[i].length; j++) {
111 | 0 | expected += tokenImage[expectedTokenSequences[i][j]] + " ";
112 |  | }
113 | 0 | if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
114 | 0 | expected += "...";
115 |  | }
116 | 0 | expected += eol + " ";
117 |  | }
118 | 0 | String retval = "Encountered \"";
119 | 0 | Token tok = currentToken.next;
120 | 0 | for (int i = 0; i < maxSize; i++) {
121 | 0 | if (i != 0) retval += " ";
122 | 0 | if (tok.kind == 0) {
123 | 0 | retval += tokenImage[0];
124 | 0 | break;
125 |  | }
126 | 0 | retval += add_escapes(tok.image);
127 | 0 | tok = tok.next;
128 |  | }
129 | 0 | retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
130 | 0 | retval += "." + eol;
131 | 0 | if (expectedTokenSequences.length == 1) {
132 | 0 | retval += "Was expecting:" + eol + " ";
133 |  | } else {
134 | 0 | retval += "Was expecting one of:" + eol + " ";
135 |  | }
136 | 0 | retval += expected;
137 | 0 | return retval;
138 |  | }
139 |  |
140 |  | /**
141 |  | * The end of line string for this machine.
142 |  | */
143 |  | protected String eol = System.getProperty("line.separator", "\n");
144 |  |
145 |  | /**
146 |  | * Used to convert raw characters to their escaped version
147 |  | * when these raw version cannot be used as part of an ASCII
148 |  | * string literal.
149 |  | */
150 | 0 | protected String add_escapes(String str) {
151 | 0 | StringBuffer retval = new StringBuffer();
152 | 0 | char ch;
153 | 0 | for (int i = 0; i < str.length(); i++) {
154 | 0 | switch (str.charAt(i)) {
155 | 0 | case 0:
156 | 0 | continue;
157 | 0 | case '\b':
158 | 0 | retval.append("\\b");
159 | 0 | continue;
160 | 0 | case '\t':
161 | 0 | retval.append("\\t");
162 | 0 | continue;
163 | 0 | case '\n':
164 | 0 | retval.append("\\n");
165 | 0 | continue;
166 | 0 | case '\f':
167 | 0 | retval.append("\\f");
168 | 0 | continue;
169 | 0 | case '\r':
170 | 0 | retval.append("\\r");
171 | 0 | continue;
172 | 0 | case '\"':
173 | 0 | retval.append("\\\"");
174 | 0 | continue;
175 | 0 | case '\'':
176 | 0 | retval.append("\\\'");
177 | 0 | continue;
178 | 0 | case '\\':
179 | 0 | retval.append("\\\\");
180 | 0 | continue;
181 | 0 | default:
182 | 0 | if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
183 | 0 | String s = "0000" + Integer.toString(ch, 16);
184 | 0 | retval.append("\\u" + s.substring(s.length() - 4, s.length()));
185 |  | } else {
186 | 0 | retval.append(ch);
187 |  | }
188 | 0 | continue;
189 |  | }
190 |  | }
191 | 0 | return retval.toString();
192 |  | }
193 |  |
194 |  | }