Package org.drools.drl.parser.antlr4

Class DroolsParserExceptionFactory

java.lang.Object

org.drools.drl.parser.antlr4.DroolsParserExceptionFactory

public class DroolsParserExceptionFactory
extends Object

Helper class that generates DroolsParserException with user friendly error messages.

See Also:

• DroolsParserException

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PARSER_LOCATION_MESSAGE_COMPLETE
static final String	PARSER_LOCATION_MESSAGE_PART
static final String	TRAILING_SEMI_COLON_NOT_ALLOWED_MESSAGE
static final String	UNEXPECTED_EXCEPTION

Constructor Summary

Constructors

Constructor	Description
DroolsParserExceptionFactory(Collection<Map<DroolsParaphraseTypes,String>> paraphrases, LanguageLevelOption languageLevel)	DroolsParserErrorMessages constructor.

Method Summary

Modifier and Type	Method	Description
DroolsParserException	createDroolsException(Exception e, org.antlr.v4.runtime.Token token)
DroolsParserException	createDroolsException(Object offendingSymbol, int line, int charPositionInLine, String message, org.antlr.v4.runtime.RecognitionException e)	This method creates a DroolsParserException full of information.
DroolsParserException	createTrailingSemicolonException(int line, int column, int offset)	This method creates a DroolsParserException for trailing semicolon exception, full of information.

Methods inherited from class java.lang.Object

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

Field Details

TRAILING_SEMI_COLON_NOT_ALLOWED_MESSAGE

public static final String TRAILING_SEMI_COLON_NOT_ALLOWED_MESSAGE

See Also:

• Constant Field Values

PARSER_LOCATION_MESSAGE_COMPLETE

public static final String PARSER_LOCATION_MESSAGE_COMPLETE

See Also:

• Constant Field Values

PARSER_LOCATION_MESSAGE_PART

public static final String PARSER_LOCATION_MESSAGE_PART

See Also:

• Constant Field Values

UNEXPECTED_EXCEPTION

public static final String UNEXPECTED_EXCEPTION

See Also:

• Constant Field Values

Constructor Details

DroolsParserExceptionFactory

public DroolsParserExceptionFactory(Collection<Map<DroolsParaphraseTypes,String>> paraphrases,
 LanguageLevelOption languageLevel)

DroolsParserErrorMessages constructor.

Parameters:

tokenNames - tokenNames generated by ANTLR

paraphrases - paraphrases parser structure

Method Details

createTrailingSemicolonException

public DroolsParserException createTrailingSemicolonException(int line,
 int column,
 int offset)

This method creates a DroolsParserException for trailing semicolon exception, full of information.

Parameters:

line - line number

column - column position

offset - char offset

Returns:

DroolsParserException filled.

createDroolsException

public DroolsParserException createDroolsException(Object offendingSymbol,
 int line,
 int charPositionInLine,
 String message,
 org.antlr.v4.runtime.RecognitionException e)

This method creates a DroolsParserException full of information.

Parameters:

offendingSymbol -

line -

charPositionInLine -

e - original exception

Returns:

DroolsParserException filled.

createDroolsException

public DroolsParserException createDroolsException(Exception e,
 org.antlr.v4.runtime.Token token)