[antlr-interest] Simple grammar with error

[Johannes Luber]

Cédric Berger wrote:
> Alfonso wrote:
> 
>> PLUS     : '+';
>> MINUS    : '-';
>> DIVIDE  : '/';
>> ASTERISK : '*';
>>
>> OPEN_PAREN : '(' ;
>> CLOSE_PAREN: ')' ;
> 
> I keep wondering why people do that...
> Is that just to obfuscate the grammar and make it less readable
> or is there a real rationale here?
> 
> Cedric
> 
Only if you separate lexer and parser grammars. Otherwise it's better to
use the implicit token variety.

Best regards,
Johannes Luber