error codes

When an error occured when building a lexer or parser| | CSLY returns a list of errors with an errorCode.

All error code are defined in ErrorCodes.cs

lexer

Label	value	meaning
LEXER_UNKNOWN_ERROR	0	an unknown error
LEXER_CANNOT_MIX_GENERIC_AND_REGEX	1	lexer CAN NOT mix regex and generic lexemes (see Lexers)
LEXER_DUPLICATE_STRING_CHAR_DELIMITERS	2	generic lexer
LEXER_TOO_MANY_COMMNENT	3	cannot define many comment with [Comment] attribute
LEXER_TOO_MANY_MULTILINE_COMMNENT	4	cannot define many multi line comment with [MultiLineComment] attribute
LEXER_TOO_MANY_SINGLELINE_COMMNENT	5	cannot define many single line comment with [SingleLineComment] attribute
LEXER_CANNOT_MIX_COMMENT_AND_SINGLE_OR_MULTI	6	can not mix [Comment] with [MultiLineComment] or [SingleLineComment]
LEXER_SAME_VALUE_USED_MANY_TIME	7	the same int value have been used for many lexeme. this could lead to misbehaving lexer
LEXER_STRING_DELIMITER_MUST_BE_1_CHAR	8	a string delimiter must be exactly 1 char long
LEXER_STRING_DELIMITER_CANNOT_BE_LETTER_OR_DIGIT	9	a string delimiter cannot be a letter or digit
LEXER_STRING_ESCAPE_CHAR_MUST_BE_1_CHAR	10	a string escape char must be exactly 1 char long
LEXER_STRING_ESCAPE_CHAR_CANNOT_BE_LETTER_OR_DIGIT	11	a string escape char cannot be a letter or digit
LEXER_CHAR_DELIMITER_MUST_BE_1_CHAR	12	a char delimiter must be exactly 1 char long
LEXER_CHAR_DELIMITER_CANNOT_BE_LETTER	13	a char delimiter cannot be a letter or digit
LEXER_CHAR_ESCAPE_CHAR_MUST_BE_1_CHAR	14	a char escape char must be exactly 1 char long
LEXER_CHAR_ESCAPE_CHAR_CANNOT_BE_LETTER_OR_DIGIT	15	a char escape char cannot be a letter or digit

parser

Label	value	meaning
PARSER_UNKNOWN_ERROR	100	an unknown error occured
PARSER_MISSING_OPERAND	101	when using parser expression generator an [Operand] is mandatory
PARSER_REFERENCE_NOT_FOUND	102	a rule references a non terminal that is not defined
PARSER_MIXED_CHOICES	103	a choice clause can not mix terminal and non terminal (see alternat choice)
PARSER_NON_TERMINAL_CHOICE_CANNOT_BE_DISCARDED	104	a non terminal choice clause can not e discarded (see alternat choice)
PARSER_INCORRECT_VISITOR_RETURN_TYPE	105	visitor return type does not respect typing rules (see typing))
PARSER_INCORRECT_VISITOR_PARAMETER_TYPE	106	visitor parameter type does not respect typing rules (see typing))
PARSER_INCORRECT_VISITOR_PARAMETER_NUMBER	107	visitor parameters does not typing rules (see typing))