RE: Grammar -- identifier token

[Mariusz Nowostawski <mariusz@marni.otago.ac.nz>]

[Carlos, when posting messages please use the same "from:" address as 
the one you are subscribed with.]

==== On behalf of Carlos Costa:

 > From: markmann@daimi.au.dk [mailto:markmann@daimi.au.dk]
 > Sent: terça-feira, 20 de Agosto de 2002 14:42
 > To: sablecc-list@sable.mcgill.ca
 > Subject: Grammar -- identifier token
 >
 > I want to make a token, that recognise your genuine
 > identifier, and the array identifier.
 >
 > That is it should accept: Exp and Exp[] and Id[][][]

This seems to work:

Helpers
	letter = [ ['a' .. 'z'] + ['A'..'Z'] ];
	digit = ['0' .. '9'];
	name = letter ( letter | digit | '_' )*;

Tokens
	id = name;
	array = name '[]'+;

Productions

goal =
	{id} id |
	{array} array;


Carlos

----
Carlos Costa e Silva <carlos@keysoft.pt>