|Compilers construction tools questions email@example.com (Salvador Valerio Cavadini) (1998-06-24)|
|Re: Compilers construction tools questions firstname.lastname@example.org (1998-06-24)|
|From:||"Salvador Valerio Cavadini" <email@example.com>|
|Date:||24 Jun 1998 00:15:29 -0400|
I'm working in a research proyect about compilers construction
tools and I have some questions (and problems):
1- I'm testing a tool called YAY ver. 1.0 and I found there are
when it is used with the +LR2 switch, since the generated parser reject
correct programs. Somebody have this problem too? How can I fix it?
2- Is 1.9 the lastest version of BYACC for DOS?
3- I downloaded the Ada grammar from comp.compilers file repository.
This grammar uses a notation that I didn't see before.
NT : /* empty */
| ..NT.. NT
What means the two point ("..") before and after NT? The grammar
documentation sais that is a "Yacckeable" version of EBNF. It is? The
original Yacc accept EBNF? I compiled the grammar with diferent Yacc
versions, most returned an error, others (included original Yacc)
compiles but I noted that they not "understand" ..NT.. like EBNF.
Santiago del Estero - Argentina
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