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Posted to embperl@perl.apache.org by Gunnar Wolf <gw...@gwolf.org> on 2006/08/09 23:36:14 UTC
Requiring strictness everywhere
Yes, I know I am generating most of this month's threads, but
migrating to a new way of working always raises questions ;-) I looked
this up as well, but could only find a 2002 conversation [1] that left
me exactly where I was at the beginning.
I am a fan of writing Perl under the influence of the 'strict'
pragma. It is a great butt-saver. In fact, yesterday I committed a
bunch of changes [2] introducing a [$ var $dummy $] line to each of my
pages.
Anyway... If this is just to be filed as a wishlist request, so be it
- But we humans tend to forget stuff. I'm sure I will create one or
three webpages, and then forget to set the [$ var $dummy $] line on
them. No great deal, but it breaks what I expect from the compiler. It
would be great if I could just tell Embperl to enforce strictness on
all of its files, at least on all which are not with Syntax=>'Perl'.
If there is a way, please point me to it :)
Greetings,
[1] http://www2.ecos.de/~mailarc/embperl/2002-11/msg00002.html
[2] http://svn.debian.org/wsvn/comas/trunk/embperl/?rev=790&sc=1
--
Gunnar Wolf - gwolf@gwolf.org - (+52-55)5623-0154 / 1451-2244
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RE: Requiring strictness everywhere
Posted by Gerald Richter <ri...@ecos.de>.
Hi,
> >
> > You can use Embperl_Top_Include in your httpd.conf to add a "use
> > strict" to every page
>
> Hmh... Does not appear to work - Having that variable set in
> my configuration, the pages still display even if having
> undeclared variables.
Ok, you are right it works for other "use"es, but not for use strict,
because of scoping issues.
The only other chance is to modify Embperl/Syntax.pm, search for "# any
initialisation could be put here" and add your use strict.
> Besides, trying to specify it from
> within base.pm, I did:
>
> $epreq->config->top_include = 'use strict;';
>
> and got:
>
> [Fri Aug 11 16:22:25 2006] [error] [9242]ERR: 24: Error in
> Perl code: Can't locate object method "top_include" via
> package "Embperl::Req::Config" at
> /home/gwolf/cvs/comas/trunk/embperl/base.pm line 49.
Yes, of course this must be done before Embperl starts to compile the page
and inside the base template this is already done.
Gerald
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Re: Requiring strictness everywhere
Posted by Gunnar Wolf <gw...@gwolf.org>.
Gerald Richter dijo [Thu, Aug 10, 2006 at 06:41:58AM +0200]:
> >
> > If there is a way, please point me to it :)
> >
>
> You can use Embperl_Top_Include in your httpd.conf to add a "use strict" to
> every page
Hmh... Does not appear to work - Having that variable set in my
configuration, the pages still display even if having undeclared
variables. Besides, trying to specify it from within base.pm, I did:
$epreq->config->top_include = 'use strict;';
and got:
[Fri Aug 11 16:22:25 2006] [error] [9242]ERR: 24: Error in Perl code: Can't locate object method "top_include" via package "Embperl::Req::Config" at /home/gwolf/cvs/comas/trunk/embperl/base.pm line 49.
This is using Embperl 2.0rc3-1 (the version shipped in Debian
Sarge). The code does get executed, but I guess this happens inside an
eval block, so it does have any real effect - I tried also setting
EMBPERL_TOP_INCLUDE to "warn 'Alive';", and -as expected- got:
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 69) line 2.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 74) line 2.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 100) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 105) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 109) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 113) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 117) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 121) line 2, <GEN0> line 4.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 126) line 2.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 130) line 2.
[Fri Aug 11 16:34:01 2006] [warn] [9723]ERR: 32: Warning in Perl code: Alive at (eval 134) line 2.
This means, once for each file evaluated.
Greetings,
--
Gunnar Wolf - gwolf@gwolf.org - (+52-55)5623-0154 / 1451-2244
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RE: Requiring strictness everywhere
Posted by Gerald Richter <ri...@ecos.de>.
>
> If there is a way, please point me to it :)
>
You can use Embperl_Top_Include in your httpd.conf to add a "use strict" to
every page
Gerald
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