marf.nlp.Parsing
Class LexicalError

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          marf.util.MARFException
              marf.nlp.NLPException
                  marf.nlp.Parsing.CompilerError
                      marf.nlp.Parsing.LexicalError

All Implemented Interfaces:

java.io.Serializable, IMARFException

public class LexicalError
extends CompilerError

This class denotes a lexical error type.

$Id: LexicalError.java,v 1.20 2008/01/03 03:21:57 mokhov Exp $

Since:

0.3.0.2 (in MARF)

Version:

$Revision: 1.20 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

static int	ERR_BAD_REAL Badly formed real number.
static int	ERR_CUSTOM Custom error message as alternative to 'unknown'.
static int	ERR_EXTRA_CLOSING_COMMENT Mismatched comment.
static int	ERR_INVALID_CHAR Character encountered is not part of the MARF's alphabet.
static int	ERR_INVALID_NUMBER_FORMAT Invalid number format.
static int	ERR_LEADING_ZEROS Leading zeros are not allowed in numbers.
static int	ERR_TRAILING_ZEROS Not meaningful trailing zeros aren't allowed.
static int	ERR_UNEXPECTED_EOF Unexpected EOF and no ending comment.
protected Token	oFaultingToken Token information at which Lexer encountered the error.

Fields inherited from class marf.nlp.Parsing.CompilerError

iCurrentErrorCode, iLineNo, OK

Fields inherited from class marf.util.MARFException

strMessage

Constructor Summary

LexicalError()
Constructs default generic lexical error.

LexicalError(java.lang.Exception poException)
Constructs a lexical error with wrapped exception.

LexicalError(int piErrorCode, Token poFaultingToken)
Constructor with an error code and a faulting token.

LexicalError(java.lang.String pstrMessage)
Constructs a lexical error with a custom error message string.

LexicalError(java.lang.String pstrMessage, java.lang.Exception poException)
Constructs a lexical error with wrapped exception and a custom error message string.

LexicalError(Token poFaultingToken, java.lang.String pstrCustomErrorMessage)
Constructor alternative to Unknown error given token and a custom message.

Method Summary

static java.lang.String	getMARFSourceCodeRevision() Retrieves class' revision.
boolean	serialize(int piOperation, java.io.FileWriter poWriter) Serialization routine.

Methods inherited from class marf.nlp.Parsing.CompilerError

getCurrentErrorCode, getLineNo

Methods inherited from class marf.util.MARFException

create, create, create, create, getMessage, toString

Methods inherited from class java.lang.Throwable

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

Methods inherited from class java.lang.Object

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

Field Detail

ERR_INVALID_CHAR

public static final int ERR_INVALID_CHAR

Character encountered is not part of the MARF's alphabet.

Since:

October 2, 2001

See Also:

Constant Field Values

ERR_LEADING_ZEROS

public static final int ERR_LEADING_ZEROS

Leading zeros are not allowed in numbers.

Since:

October 2, 2001

See Also:

Constant Field Values

ERR_TRAILING_ZEROS

public static final int ERR_TRAILING_ZEROS

Not meaningful trailing zeros aren't allowed.

Since:

October 2, 2001

See Also:

Constant Field Values

ERR_BAD_REAL

public static final int ERR_BAD_REAL

Badly formed real number.

Since:

October 2, 2001

See Also:

Constant Field Values

ERR_INVALID_NUMBER_FORMAT

public static final int ERR_INVALID_NUMBER_FORMAT

Invalid number format.

Since:

October 2, 2001

See Also:

Constant Field Values

ERR_UNEXPECTED_EOF

public static final int ERR_UNEXPECTED_EOF

Unexpected EOF and no ending comment.

Since:

December 20, 2001

See Also:

Constant Field Values

ERR_EXTRA_CLOSING_COMMENT

public static final int ERR_EXTRA_CLOSING_COMMENT

Mismatched comment.

Since:

December 21, 2001

See Also:

Constant Field Values

ERR_CUSTOM

public static final int ERR_CUSTOM

Custom error message as alternative to 'unknown'.

Since:

October 2, 2001

See Also:

Constant Field Values

oFaultingToken

protected Token oFaultingToken

Token information at which Lexer encountered the error.

Since:

October 2, 2001

Constructor Detail

LexicalError

public LexicalError(int piErrorCode,
                    Token poFaultingToken)

Constructor with an error code and a faulting token.

Parameters:

piErrorCode - the error code to indicate the message

poFaultingToken - the token that caused the error

LexicalError

public LexicalError(Token poFaultingToken,
                    java.lang.String pstrCustomErrorMessage)

Constructor alternative to Unknown error given token and a custom message.

Parameters:

poFaultingToken - the token that caused the error

pstrCustomErrorMessage - custom error message string

LexicalError

public LexicalError()

Constructs default generic lexical error.

Since:

0.3.0.5

LexicalError

public LexicalError(java.lang.Exception poException)

Constructs a lexical error with wrapped exception.

Parameters:

poException - the wrapped exception

Since:

0.3.0.5

LexicalError

public LexicalError(java.lang.String pstrMessage)

Constructs a lexical error with a custom error message string.

Parameters:

pstrMessage - the custom error message

Since:

0.3.0.5

LexicalError

public LexicalError(java.lang.String pstrMessage,
                    java.lang.Exception poException)

Constructs a lexical error with wrapped exception and a custom error message string.

Parameters:

pstrMessage - the custom error message

poException - the wrapped exception

Since:

0.3.0.5

Method Detail

serialize

public boolean serialize(int piOperation,
                         java.io.FileWriter poWriter)

Serialization routine. Loading is not implemented.

Parameters:

piOperation - 0 for load and 1 for save

poWriter - writer object to use to write to

Returns:

true if serialization was successful

getMARFSourceCodeRevision

public static java.lang.String getMARFSourceCodeRevision()

Retrieves class' revision.

Returns:

revision string