/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 4.1 */
/* JavaCCOptions:KEEP_LINE_COL=null */
package ognl;
/**
* 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.
*/
public class
ParseException extends
Exception {
/**
* 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;
}
/** Constructor with message. */
public
ParseException(
String message) {
super(
message);
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();
}
StringBuffer expected = new
StringBuffer();
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.
append(
tokenImage[
expectedTokenSequences[
i][
j]]).
append(' ');
}
if (
expectedTokenSequences[
i][
expectedTokenSequences[
i].length - 1] != 0) {
expected.
append("...");
}
expected.
append(
eol).
append(" ");
}
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 += " " +
tokenImage[
tok.
kind];
retval += " \"";
retval +=
add_escapes(
tok.
image);
retval += " \"";
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.
toString();
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();
}
}
/* JavaCC - OriginalChecksum=a0a2f59968d58ccc3e57dbd91056ba6e (do not edit this line) */