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public Class TokenMgrError

extends Error
Class Inheritance

Field Summary

Modifier and TypeField and Description
pack-priv int
errorCode

Indicates the reason why the exception is thrown.

pack-priv static final int
INVALID_LEXICAL_STATE

Tried to change to an invalid lexical state.

pack-priv static final int
LEXICAL_ERROR

Lexical error occured.

pack-priv static final int
LOOP_DETECTED

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

pack-priv static final int
STATIC_LEXER_ERROR

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

Constructor Summary

AccessConstructor and Description
public
TokenMgrError()

public
TokenMgrError(String message, int reason)

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

Method Summary

Modifier and TypeMethod and Description
protected static final String
addEscapes(String str)

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

public String
getMessage()

Overrides java.lang.Throwable.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.

Field Detail

errorCodeback to summary
pack-priv int errorCode

Indicates the reason why the exception is thrown. It will have one of the above 4 values.

INVALID_LEXICAL_STATEback to summary
pack-priv static final int INVALID_LEXICAL_STATE

Tried to change to an invalid lexical state.

LEXICAL_ERRORback to summary
pack-priv static final int LEXICAL_ERROR

Lexical error occured.

LOOP_DETECTEDback to summary
pack-priv static final int LOOP_DETECTED

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

STATIC_LEXER_ERRORback to summary
pack-priv static final int STATIC_LEXER_ERROR

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

Constructor Detail

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

Method Detail

addEscapesback to summary
protected static final String addEscapes(String str)

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

getMessageback to summary
public String getMessage()

Overrides java.lang.Throwable.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:String

Doc from java.lang.Throwable.getMessage.

the detail message string of this Throwable instance (which may be null).

LexicalErrorback to summary
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. Parameters : EOFSeen : indicates if EOF caused the lexicl error curLexState : lexical state in which this error occured errorLine : line number when the error occured errorColumn : column number when the error occured errorAfter : prefix that was seen before this error occured curchar : the offending character

Note

You can customize the lexical error message by modifying this method.