[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: page fault when YYFAIL explicitly called
From: |
Akim Demaille |
Subject: |
Re: page fault when YYFAIL explicitly called |
Date: |
Tue, 12 Nov 2013 10:01:10 +0100 |
Hi Stanislav,
Please keep the list in CC, for the records.
Le 8 nov. 2013 à 20:04, Stanislav Lang <address@hidden> a écrit :
> Thanks for the answer...
> i know that it is recommended to use YYERROR, because it is more effective
> and safe. But YYFAIL prints informations about that, which token appeared and
> which token was expected.
How about calling yyerror yourself?
> When YYFAIL will be not more supported, it is not so big problem, I will make
> some extension for yyerror function, to be able to print informations about
> tokens. Or will be this functionality made for some next version of Bison by
> Bison team?
Actually YYFAIL is already removed in Bison 3.0. Could you
describe what feature you'd like to see? Often when one wants
to raise a syntax error, one can forge better error messages
that the default ones. That's why, imho, YYFAIL was not so
much used.