com.elikill58.negativity.api.maths.syntaxchecker

Class TokenMgrError

java.lang.Object

java.lang.Throwable

java.lang.Error

com.elikill58.negativity.api.maths.syntaxchecker.TokenMgrError

All Implemented Interfaces:

Serializable

public class TokenMgrError
extends Error

Token Manager Error.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TokenMgrError() No arg constructor.
TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
TokenMgrError(String message, int reason)

Method Summary

Modifier and Type	Method and Description
protected static String	addEscapes(String str) Replaces unprintable characters by their escaped (or unicode escaped) equivalents in the given string
String	getMessage() You can also modify the body of this method to customize your error messages.
protected static String	LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenMgrError

public TokenMgrError()

No arg constructor.

TokenMgrError

public TokenMgrError(String message,
                     int reason)

TokenMgrError

public TokenMgrError(boolean EOFSeen,
                     int lexState,
                     int errorLine,
                     int errorColumn,
                     String errorAfter,
                     char curChar,
                     int reason)

Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
Note: You can customize the lexical error message by modifying this method.

Parameters:

EOFSeen - indicates if EOF caused the lexical

lexState - lexical state in which this error occurred

errorLine - line number when the error occurred

errorColumn - column number when the error occurred

errorAfter - prefix that was seen before this error occurred

curChar - the offending character

reason - the reason of this error

Method Detail

addEscapes

protected static final String addEscapes(String str)

Replaces unprintable characters by their escaped (or unicode escaped) equivalents in the given string

Parameters:

str - string to add espace

Returns:

the string with escapes if needed

LexicalError

protected static String LexicalError(boolean EOFSeen,
                                     int lexState,
                                     int errorLine,
                                     int errorColumn,
                                     String errorAfter,
                                     char curChar)

Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.
Note: You can customize the lexical error message by modifying this method.

Parameters:

EOFSeen - indicates if EOF caused the lexical

lexState - lexical state in which this error occurred

errorLine - line number when the error occurred

errorColumn - column number when the error occurred

errorAfter - prefix that was seen before this error occurred

curChar - the offending character

Returns:

the lexical error

getMessage

public String getMessage()

You can also modify the body of this method to customize your error messages. For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not of end-users concern, so you can return something like : "Internal Error : Please file a bug report .... " from this method for such cases in the release version of your parser.

Overrides:

getMessage in class Throwable

Returns:

this message