BNFParser :: lastError - Get last error
The last parser error is stored and kept until a new parser error has been detected. When the parser is not valid, the function throws an exception.
Return value: Text string ( odaba::String & )
The text string contains text with any kind of character encoding.
Implementation details
odaba::String
BNFParser :: lastError ( )
The function returns the last error that has been found while analyzing the expression.