marf.nlp.Parsing
Class SemanticError

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

All Implemented Interfaces:

java.io.Serializable, IMARFException

public class SemanticError
extends CompilerError

Class SemanticError Represents an instance of a semantic error in the semantic analysis process.

$Id: SemanticError.java,v 1.16 2007/12/18 21:37:55 mokhov Exp $

Since:

0.3.0.2

Version:

$Revision: 1.16 $

Author:

Serguei Mokhov

See Also:

Serialized Form

Field Summary

static int	ERR_ASSIGN_TYPE_MISMATCH Type mismatch in the assignment.
static int	ERR_CUSTOM Custom error message as alternative to 'unknown'.
static int	ERR_EXPR_TYPE_MISMATCH Type mismatch in an expression.
static int	ERR_MULT_DEF_SYM Symbol defined multiple times.
static int	ERR_PARAM_TYPE_MISMATCH Mismatch of types of parameters in a function call.
static int	ERR_UNDEF_SYM Undefined Symbol.
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

SemanticError()
Default constructor.

SemanticError(java.lang.Exception poException)
Wraps an exception.

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

SemanticError(java.lang.String pstrMessage)
Construct just given the error message

SemanticError(java.lang.String pstrMessage, java.lang.Exception poException)
Wraps an exception with a custom error message

SemanticError(Token poFaultingToken, java.lang.String pstrCustomErrorMessage)
Constructor alternative to Unknown error with the custom error message.

Method Summary

static java.lang.String	getMARFSourceCodeRevision() Returns source code revision information.
boolean	serialize(int piOperation, java.io.FileWriter poFileWriter) 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_UNDEF_SYM

public static final int ERR_UNDEF_SYM

Undefined Symbol.

Since:

December 19, 2001

See Also:

Constant Field Values

ERR_MULT_DEF_SYM

public static final int ERR_MULT_DEF_SYM

Symbol defined multiple times.

Since:

December 19, 2001

See Also:

Constant Field Values

ERR_EXPR_TYPE_MISMATCH

public static final int ERR_EXPR_TYPE_MISMATCH

Type mismatch in an expression.

Since:

December 19, 2001

See Also:

Constant Field Values

ERR_ASSIGN_TYPE_MISMATCH

public static final int ERR_ASSIGN_TYPE_MISMATCH

Type mismatch in the assignment.

Since:

December 19, 2001

See Also:

Constant Field Values

ERR_PARAM_TYPE_MISMATCH

public static final int ERR_PARAM_TYPE_MISMATCH

Mismatch of types of parameters in a function call.

Since:

December 19, 2001

See Also:

Constant Field Values

ERR_CUSTOM

public static final int ERR_CUSTOM

Custom error message as alternative to 'unknown'.

Since:

December 19, 2001

See Also:

Constant Field Values

oFaultingToken

protected Token oFaultingToken

Token information at which Lexer encountered the error.

Since:

October 2, 2001

Constructor Detail

SemanticError

public SemanticError(int piErrorCode,
                     Token poFaultingToken)

Constructor with an error code and a faulting token.

Parameters:

piErrorCode - one of the defined error codes

poFaultingToken - the semantic token that caused the error.

SemanticError

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

Constructor alternative to Unknown error with the custom error message.

Parameters:

poFaultingToken - the semantic token that caused the error.

pstrCustomErrorMessage - custom error message

SemanticError

public SemanticError()

Default constructor.

Since:

0.3.0.5

SemanticError

public SemanticError(java.lang.Exception poException)

Wraps an exception.

Parameters:

poException - exception to wrap

Since:

0.3.0.5

SemanticError

public SemanticError(java.lang.String pstrMessage)

Construct just given the error message

Parameters:

pstrMessage - custom error message

Since:

0.3.0.5

SemanticError

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

Wraps an exception with a custom error message

Parameters:

pstrMessage - custom error message

poException - exception to wrap

Since:

0.3.0.5

Method Detail

serialize

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

Serialization routine. TODO: migrate to MARF's dump/restore mechanism

Parameters:

piOperation - 0 means load (not implemented) and 1 means save

poFileWriter - writer object to write the error message to

Returns:

true if the operation was successful

getMARFSourceCodeRevision

public static java.lang.String getMARFSourceCodeRevision()

Returns source code revision information.

Returns:

revision string