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Postings from February 2018
On Mon, 26 Feb 2018 23:48:20 GMT, davem wrote:
> On Thu, Feb 22, 2018 at 10:27:18AM +0000, Dave Mitchell wrote:
> > I plan to do the following two things shortly (assuming they prove
> > feasible):
> >
> > 1) change the parser so that subs under 'use feature signatures' use
> > a different grammar rule than subs not under it - possibly by making
> > the
> > toker return two different sub tokens, e.g. 'SUB' and a new 'SIGSUB'
> > token say, depending on whether the feature is in scope.
> >
> > This will then help reduce confusing errors, e.g. this code with a
> > syntax
> > error (attrs before prototype):
> >
> > no feature 'signatures';
> > sub f :lvalue ($$@) { $x = 1 }
> >
> > currently gives:
> >
> > Illegal character following sigil in a subroutine signature at
> > ..., near "($"
> >
> > It's parsing the ($$@) as a sub signature even though signatures
> > aren't in
> > scope, so the error message is confusing.
> >
> > 2) For the signature sub grammar rule, allow it to spot attributes
> > following a signature and croak with a meaningful error. Which is
> > what the
> > OP requested.
>
> I've now done this and pushed as branch smoke-me/davem/sig_attr_croak.
> If there's a rough consensus, I'll merge it soon.
>
I built this branch on FreeBSD-11.0, then installed 'cpanm' against it and used cpanm to try to install the three modules cited in this ticket: List::Lazy, Evo, and Moxie. Tests failed in all three with this kind of message:
#####
Subroutine attributes must come before the signature at /usr/home/jkeenan/.cpanm/work/1519692082.14147/Moxie-0.07/blib/lib/Moxie/Traits/Provider/Accessor.pm line 19.
#####
Output of perl -V and gzipped build.log attached. Should I have expected better results?
Thank you very much.
--
James E Keenan (jkeenan@cpan.org)
---
via perlbug: queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=132760
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