Clover coverage report - PMD - 3.7 Coverage timestamp: Wed May 31 2006 09:25:59 EDT FRAMES NO FRAMES |
file stats: | LOC: | 189 |  | Methods: | 5
| NCLOC: | 107 |  | Classes: | 1
Source file | Conditionals | Statements | Methods | TOTAL
ParseException.java | 0% | 9.3% | 40% | 8.8% |

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