I've attached test file, is it OK, or do you need something different?
Срд Май 29 10:53:06 2013, perigrin@prather.org писал:
> doy can probabl correct me on this... but ...
>
>
> It's my understanding that when you do:
>
>
> sub init;
>
>
> You're creating an empty slot in the stash that is different from a
> normal subref. Basically it is *not* equivalent to
>
>
> sub init { }
>
>
> but rather similar to
>
>
> *init{CODE} = undef;
>
>
>
> So that when you do:
>
>
> after init => sub { ... };
>
>
>
> the coderef generated by the method modifer is *the only coderef* in
> the current stash. This means that when Moose goes to insert a
> reference to the wrapped method, it gets confused and creates a
> circular reference to the method-modifier.
>
>
> You've complicated this by also having a method in the parent class
> that is an *actual* subroutine. That means that Moose's normal
> checks against wrapping non-existant methods are circumvented.
>
>
> This is really an obscure edge case that depends on using broken /
> undefined behavior in Perl. You're right we should check for it,
> but I don't know how easy that would be to actually do. Can you
> create a failing test case?
>
>
> -Chris
>
> On Wed, May 29, 2013 at 10:42 AM,
>
https://www.google.com/accounts/o8/id?id=AItOawmNaaaSXM6QuPiIhzjO159qgjtY8Hl
> P64 via RT <bug-Moose@rt.cpan.org> wrote:
>
> > Wed May 29 10:42:57 2013: Request 85702 was acted upon.
> > Transaction: Ticket created by
>
https://www.google.com/accounts/o8/id?id=AItOawmNaaaSXM6QuPiIhzjO159qgjtY8HlNP64
> > Queue: Moose
> > Subject: virtual method + 'after' method modifier = deep
> recursion
> > Broken in: 2.0402
> > Severity: Important
> > Owner: Nobody
> > Requestors: kain.winterheart@gmail.com
> > Status: new
> > Ticket <URL:
https://rt.cpan.org/Ticket/Display.html?id=85702 >
> > Hello.
> > I have following code:
> > package asd;
> > use Moose;
> > sub init
> > {
> > }
> > no Moose;
> > package zxc;
> > use Moose;
> > extends 'asd';
> > sub init;
> > after 'init' => sub
> > {
> > print "1\n";
> > };
> > no Moose;
> > package main;
> > zxc -> new() -> init();
> > ...and instead of getting this at composition time:
> > The method 'init' was not found in the inheritance hierarchy for zxc
> at /usr/local/lib/perl/5.10.1/Class/MOP/Class.pm line 1053.
> >
> Class::MOP::Class::__ANON__('Moose::Meta::Class=HASH(0x2785ef0)',
> 'init') called at /usr/local/lib/perl/5.10.1/Class/MOP/Class.pm
> line 1088
> >
> Class::MOP::Class::add_after_method_modifier('Moose::Meta::Class=HASH(0x2785ef0)',
> 'init', 'CODE(0x27836f0)') called at
> /usr/local/lib/perl/5.10.1/Moose/Util.pm line 267
> >
> Moose::Util::add_method_modifier('Moose::Meta::Class=HASH(0x2785ef0)',
> 'after', 'ARRAY(0x2630b40)') called at
> /usr/local/lib/perl/5.10.1/Moose.pm line 87
> > Moose::after(undef, 'init') called at
> /usr/local/lib/perl/5.10.1/Moose/Exporter.pm line 370
> > Moose::after('init', 'CODE(0x27836f0)') called at -e line 1
> > ...I'm getting this, and only when I'm calling init():
> > Deep recursion on subroutine "zxc::init" at
> /usr/local/lib/perl/5.10.1/Class/MOP/Method/Wrapped.pm line 56.
> > Deep recursion on anonymous subroutine at
> /usr/local/lib/perl/5.10.1/Class/MOP/Method/Wrapped.pm line 91.
> > . I know that my code won't work at all, but why can't the program
> just die at composition time instead of going into an infinite
> recursion? Could it be fixed somehow or is it already fixed in some
> new release?
> > I'm using Moose 2.0402.
