Class TokenMgrError (0.5.1)

public class TokenMgrError extends Error

Token Manager Error.

Inheritance

java.lang.Object > java.lang.Throwable > Error > TokenMgrError

Static Fields

INVALID_LEXICAL_STATE

public static final int INVALID_LEXICAL_STATE

Tried to change to an invalid lexical state.

Field Value
TypeDescription
int

LEXICAL_ERROR

public static final int LEXICAL_ERROR

Lexical error occurred.

Field Value
TypeDescription
int

LOOP_DETECTED

public static final int LOOP_DETECTED

Detected (and bailed out of) an infinite loop in the token manager.

Field Value
TypeDescription
int

STATIC_LEXER_ERROR

public static final int STATIC_LEXER_ERROR

An attempt was made to create a second instance of a static token manager.

Field Value
TypeDescription
int

Static Methods

LexicalErr(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar)

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

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

Parameters
NameDescription
EOFSeenboolean
lexStateint
errorLineint
errorColumnint
errorAfterString
curCharint
Returns
TypeDescription
String

addEscapes(String str)

protected static final String addEscapes(String str)

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

Parameter
NameDescription
strString
Returns
TypeDescription
String

Constructors

TokenMgrError()

public TokenMgrError()

No arg constructor.

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

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

Full Constructor.

Parameters
NameDescription
EOFSeenboolean
lexStateint
errorLineint
errorColumnint
errorAfterString
curCharint
reasonint

TokenMgrError(String message, int reason)

public TokenMgrError(String message, int reason)

Constructor with message and reason.

Parameters
NameDescription
messageString
reasonint

Methods

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.

Returns
TypeDescription
String
Overrides