Coverage Report

Coverage Report - org.webmacro.parser.ParseException

Classes in this File

Line Coverage

Branch Coverage

Complexity

ParseException

50%

35/70

38%

13/34

4.667

 /* Generated By:JavaCC: Do not edit this line. ParseException.java Version 3.0 */
 package org.webmacro.parser;
 
 /**
  * This exception is thrown when parse errors are encountered.
  * You can explicitly create objects of this exception type by
  * calling the method generateParseException in the generated
  * parser.
  *
  * You can modify this class to customize your error reporting
  * mechanisms so long as you retain the public fields.
  *
  * NOTE: modified to extend org.webmacro.RethrowableException and
  * added constructer for nested exceptions.
  */
 public class ParseException extends org.webmacro.RethrowableException
 {
 
   private static final long serialVersionUID = 1L;
 
   /**
    * This constructor is used by the method "generateParseException"
    * in the generated parser.  Calling this constructor generates
    * a new object of this type with the fields "currentToken",
    * "expectedTokenSequences", and "tokenImage" set.  The boolean
    * flag "specialConstructor" is also set to true to indicate that
    * this constructor was used to create this object.
    * This constructor calls its super class with the empty string
    * to force the "toString" method of parent class "Throwable" to
    * print the error message in the form:
    *     ParseException: <result of getMessage>
    */
   public ParseException (Token currentTokenVal,
                         int[][] expectedTokenSequencesVal,
                         String[] tokenImageVal
                        )
   {
     super("");
     specialConstructor = true;
     currentToken = currentTokenVal;
     expectedTokenSequences = expectedTokenSequencesVal;
     tokenImage = tokenImageVal;
   }
 
   /**
    * The following constructors are for use by you for whatever
    * purpose you can think of.  Constructing the exception in this
    * manner makes the exception behave in the normal way - i.e., as
    * documented in the class "Throwable".  The fields "errorToken",
    * "expectedTokenSequences", and "tokenImage" do not contain
    * relevant information.  The JavaCC generated code does not use
    * these constructors.
    */
 
   public ParseException () 
   {
     super();
     specialConstructor = false;
   }
 
   public ParseException (String message) 
   {
     super(message);
     specialConstructor = false;
   }
 
   public ParseException (String message, Exception e)
   {
       super(message, e);
       specialConstructor = false;
   }
 
   /**
    * This variable determines which constructor was used to create
    * this object and thereby affects the semantics of the
    * "getMessage" method (see below).
    */
   protected boolean specialConstructor;
 
   /**
    * This is the last token that has been consumed successfully.  If
    * this object has been created due to a parse error, the token
    * followng this token will (therefore) be the first error token.
    */
   public Token currentToken;
 
   /**
    * Each entry in this array is an array of integers.  Each array
    * of integers represents a sequence of tokens (by their ordinal
    * values) that is expected at this point of the parse.
    */
   public int[][] expectedTokenSequences;
 
   /**
    * This is a reference to the "tokenImage" array of the generated
    * parser within which the parse error occurred.  This array is
    * defined in the generated ...Constants interface.
    */
   public String[] tokenImage;
 
   /**
    * This method has the standard behavior when this object has been
    * created using the standard constructors.  Otherwise, it uses
    * "currentToken" and "expectedTokenSequences" to generate a parse
    * error message and returns it.  If this object has been created
    * due to a parse error, and you do not catch it (it gets thrown
    * from the parser), then this method is called during the printing
    * of the final stack trace, and hence the correct error message
    * gets displayed.
    */
   public String getMessage () 
   {
     if (!specialConstructor) 
     {
       return super.getMessage();
     }
     String expected = "";
     int maxSize = 0;
     for (int i = 0; i < expectedTokenSequences.length; i++) 
     {
       if (maxSize < expectedTokenSequences[i].length) 
       {
         maxSize = expectedTokenSequences[i].length;
       }
       for (int j = 0; j < expectedTokenSequences[i].length; j++) 
       {
         expected += tokenImage[expectedTokenSequences[i][j]] + " ";
       }
       if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) 
       {
         expected += "...";
       }
       expected += eol + "    ";
     }
     String retval = "Encountered \"";
     Token tok = currentToken.next;
     for (int i = 0; i < maxSize; i++) 
     {
       if (i != 0) retval += " ";
       if (tok.kind == 0) 
       {
         retval += tokenImage[0];
         break;
       }
       retval += add_escapes(tok.image);
       tok = tok.next; 
     }
     retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
     retval += "." + eol;
     if (expectedTokenSequences.length == 1) 
     {
       retval += "Was expecting:" + eol + "    ";
     } 
     else 
     {
       retval += "Was expecting one of:" + eol + "    ";
     }
     retval += expected;
     return retval;
   }
 
   /**
    * The end of line string for this machine.
    */
   protected String eol = System.getProperty("line.separator", "\n");
  
   /**
    * Used to convert raw characters to their escaped version
    * when these raw version cannot be used as part of an ASCII
    * string literal.
    */
   protected String add_escapes (String str) 
   {
       StringBuffer retval = new StringBuffer();
       char ch;
       for (int i = 0; i < str.length(); i++) 
       {
         switch (str.charAt(i))
         {
            case 0:
               continue;
            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();
    }
 
 }

1		/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 3.0 */
2		package org.webmacro.parser;
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		*
10		* You can modify this class to customize your error reporting
11		* mechanisms so long as you retain the public fields.
12		*
13		* NOTE: modified to extend org.webmacro.RethrowableException and
14		* added constructer for nested exceptions.
15		*/
16		public class ParseException extends org.webmacro.RethrowableException
17		{
18
19		private static final long serialVersionUID = 1L;
20
21		/**
22		* This constructor is used by the method "generateParseException"
23		* in the generated parser. Calling this constructor generates
24		* a new object of this type with the fields "currentToken",
25		* "expectedTokenSequences", and "tokenImage" set. The boolean
26		* flag "specialConstructor" is also set to true to indicate that
27		* this constructor was used to create this object.
28		* This constructor calls its super class with the empty string
29		* to force the "toString" method of parent class "Throwable" to
30		* print the error message in the form:
31		* ParseException: <result of getMessage>
32		*/
33		public ParseException (Token currentTokenVal,
34		int[][] expectedTokenSequencesVal,
35		String[] tokenImageVal
36		)
37		{
38	2	super("");
39	2	specialConstructor = true;
40	2	currentToken = currentTokenVal;
41	2	expectedTokenSequences = expectedTokenSequencesVal;
42	2	tokenImage = tokenImageVal;
43	2	}
44
45		/**
46		* The following constructors are for use by you for whatever
47		* purpose you can think of. Constructing the exception in this
48		* manner makes the exception behave in the normal way - i.e., as
49		* documented in the class "Throwable". The fields "errorToken",
50		* "expectedTokenSequences", and "tokenImage" do not contain
51		* relevant information. The JavaCC generated code does not use
52		* these constructors.
53		*/
54
55		public ParseException ()
56		{
57	0	super();
58	0	specialConstructor = false;
59	0	}
60
61		public ParseException (String message)
62		{
63	6	super(message);
64	6	specialConstructor = false;
65	6	}
66
67		public ParseException (String message, Exception e)
68		{
69	0	super(message, e);
70	0	specialConstructor = false;
71	0	}
72
73		/**
74		* This variable determines which constructor was used to create
75		* this object and thereby affects the semantics of the
76		* "getMessage" method (see below).
77		*/
78		protected boolean specialConstructor;
79
80		/**
81		* This is the last token that has been consumed successfully. If
82		* this object has been created due to a parse error, the token
83		* followng this token will (therefore) be the first error token.
84		*/
85		public Token currentToken;
86
87		/**
88		* Each entry in this array is an array of integers. Each array
89		* of integers represents a sequence of tokens (by their ordinal
90		* values) that is expected at this point of the parse.
91		*/
92		public int[][] expectedTokenSequences;
93
94		/**
95		* This is a reference to the "tokenImage" array of the generated
96		* parser within which the parse error occurred. This array is
97		* defined in the generated ...Constants interface.
98		*/
99		public String[] tokenImage;
100
101		/**
102		* This method has the standard behavior when this object has been
103		* created using the standard constructors. Otherwise, it uses
104		* "currentToken" and "expectedTokenSequences" to generate a parse
105		* error message and returns it. If this object has been created
106		* due to a parse error, and you do not catch it (it gets thrown
107		* from the parser), then this method is called during the printing
108		* of the final stack trace, and hence the correct error message
109		* gets displayed.
110		*/
111		public String getMessage ()
112		{
113	72	if (!specialConstructor)
114		{
115	54	return super.getMessage();
116		}
117	18	String expected = "";
118	18	int maxSize = 0;
119	117	for (int i = 0; i < expectedTokenSequences.length; i++)
120		{
121	99	if (maxSize < expectedTokenSequences[i].length)
122		{
123	18	maxSize = expectedTokenSequences[i].length;
124		}
125	198	for (int j = 0; j < expectedTokenSequences[i].length; j++)
126		{
127	99	expected += tokenImage[expectedTokenSequences[i][j]] + " ";
128		}
129	99	if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0)
130		{
131	99	expected += "...";
132		}
133	99	expected += eol + " ";
134		}
135	18	String retval = "Encountered \"";
136	18	Token tok = currentToken.next;
137	18	for (int i = 0; i < maxSize; i++)
138		{
139	18	if (i != 0) retval += " ";
140	18	if (tok.kind == 0)
141		{
142	18	retval += tokenImage[0];
143	18	break;
144		}
145	0	retval += add_escapes(tok.image);
146	0	tok = tok.next;
147		}
148	18	retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
149	18	retval += "." + eol;
150	18	if (expectedTokenSequences.length == 1)
151		{
152	0	retval += "Was expecting:" + eol + " ";
153		}
154		else
155		{
156	18	retval += "Was expecting one of:" + eol + " ";
157		}
158	18	retval += expected;
159	18	return retval;
160		}
161
162		/**
163		* The end of line string for this machine.
164		*/
165	8	protected String eol = System.getProperty("line.separator", "\n");
166
167		/**
168		* Used to convert raw characters to their escaped version
169		* when these raw version cannot be used as part of an ASCII
170		* string literal.
171		*/
172		protected String add_escapes (String str)
173		{
174	0	StringBuffer retval = new StringBuffer();
175		char ch;
176	0	for (int i = 0; i < str.length(); i++)
177		{
178	0	switch (str.charAt(i))
179		{
180		case 0:
181	0	continue;
182		case '\b':
183	0	retval.append("\\b");
184	0	continue;
185		case '\t':
186	0	retval.append("\\t");
187	0	continue;
188		case '\n':
189	0	retval.append("\\n");
190	0	continue;
191		case '\f':
192	0	retval.append("\\f");
193	0	continue;
194		case '\r':
195	0	retval.append("\\r");
196	0	continue;
197		case '\"':
198	0	retval.append("\\\"");
199	0	continue;
200		case '\'':
201	0	retval.append("\\\'");
202	0	continue;
203		case '\\':
204	0	retval.append("\\\\");
205	0	continue;
206		default:
207	0	if ((ch = str.charAt(i)) < 0x20 \|\| ch > 0x7e)
208		{
209	0	String s = "0000" + Integer.toString(ch, 16);
210	0	retval.append("\\u" + s.substring(s.length() - 4, s.length()));
211	0	}
212		else
213		{
214	0	retval.append(ch);
215		}
216		continue;
217		}
218		}
219	0	return retval.toString();
220		}
221
222		}