[ri4pp:2005] - Re: Nekoliko pitanja by Zeljko Nase <ZNase@Sezampro.yu>

Znam za tekst koji si dole poslao i eksperimentalo sam to uradio na nekoliko 
tokena, ali to ne odogvara na moje pitanje da li su parseru potrebni ti podaci 
za neke njegove interne potrebe.

Pozdrav
ZNase Co.


4/24/05 12:11:06 AM, "Marko Ninkovic" <ninchagora@beotel.yu> wrote:

>Dana Sat, 23 Apr 2005 22:37:44 +0200, Zeljko Nase <ZNase@Sezampro.yu> napisa:
>
>>
>> 1. Kako vracati poziciju tokena radi obrade u CUP-u?
>> 	
>> 	Ovo mogu da uradim jedino ako iskoristim neko ili oba polja LEFT i RIGHT
>> u okviru java_cup.runntime.Symbol-a, a nisam siguran da li su one potrebne
>> parseru kako bi pravilno radio.
>>
>
>For each label, two more variables accessible to the user are declared. A left 
and right value labels are passed to the code string, so that the user can find 
out where the left and right side of each terminal or non-terminal is in the 
input stream. The name of these variables is the label name, plus left or right. 
for example, given the right hand side of a production expr:e1 PLUS expr:e2 the 
user could not only access variables e1 and e2, but also e1left, e1right, e2left 
and e2right. these variables are of type int.
>
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