ppg.parse
Class ParserError

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          ppg.parse.ParserError

All Implemented Interfaces:

java.io.Serializable

public class ParserError
extends java.lang.Exception

This error is thrown when the parser has an internal error -- the user should not see these in the ideal case -- ex: we have a null somewhere. If there is a problem with the source, either a syntaxError or SemanticError will be thrown, depending on nature of the error

See Also:

Serialized Form

Field Summary

protected java.lang.String

errorMessage This contains the errorMessage for that caused the exception

Constructor Summary

ParserError()
In rare cases when no error message is know return a generic message

ParserError(java.lang.String message)

ParserError(java.lang.String file, java.lang.String msg, Token tok)

Method Summary

java.lang.String

getErrorMessage()

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

errorMessage

protected java.lang.String errorMessage

This contains the errorMessage for that caused the exception

Constructor Detail

ParserError

public ParserError(java.lang.String message)

Parameters:

message - The massage that contains a description of the error

ParserError

public ParserError(java.lang.String file,
                   java.lang.String msg,
                   Token tok)

Parameters:

file - The file where the error came from.

msg - The message that contains a description of the error.

tok - Token from which to get the line number and the text of the error token.

ParserError

public ParserError()

In rare cases when no error message is know return a generic message

Method Detail

getErrorMessage

public java.lang.String getErrorMessage()

Returns:

String that is the message of the error