161 lines
3.1 KiB
Perl
161 lines
3.1 KiB
Perl
package Moose::Meta::Method::Overridden;
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our $VERSION = '2.2207';
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use strict;
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use warnings;
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use parent 'Moose::Meta::Method';
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use Moose::Util 'throw_exception';
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sub new {
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my ( $class, %args ) = @_;
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# the package can be overridden by roles
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# it is really more like body's compilation stash
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# this is where we need to override the definition of super() so that the
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# body of the code can call the right overridden version
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my $super_package = $args{package} || $args{class}->name;
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my $name = $args{name};
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my $super = $args{class}->find_next_method_by_name($name);
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(defined $super)
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|| throw_exception( CannotOverrideNoSuperMethod => class => $class,
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params => \%args,
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method_name => $name
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);
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my $super_body = $super->body;
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my $method = $args{method};
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my $body = sub {
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local $Moose::SUPER_PACKAGE = $super_package;
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local @Moose::SUPER_ARGS = @_;
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local $Moose::SUPER_BODY = $super_body;
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return $method->(@_);
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};
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# FIXME do we need this make sure this works for next::method?
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# subname "${super_package}::${name}", $method;
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# FIXME store additional attrs
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$class->wrap(
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$body,
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package_name => $args{class}->name,
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name => $name
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);
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}
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1;
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# ABSTRACT: A Moose Method metaclass for overridden methods
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__END__
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=pod
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=encoding UTF-8
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=head1 NAME
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Moose::Meta::Method::Overridden - A Moose Method metaclass for overridden methods
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=head1 VERSION
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version 2.2207
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=head1 DESCRIPTION
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This class implements method overriding logic for the L<Moose>
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C<override> keyword.
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The overriding subroutine's parent will be invoked explicitly using
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the C<super> keyword from the parent class's method definition.
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=head1 METHODS
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=head2 Moose::Meta::Method::Overridden->new(%options)
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This constructs a new object. It accepts the following options:
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=over 4
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=item * class
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The metaclass object for the class in which the override is being
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declared. This option is required.
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=item * name
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The name of the method which we are overriding. This method must exist
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in one of the class's superclasses. This option is required.
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=item * method
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The subroutine reference which implements the overriding. This option
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is required.
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=back
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=head1 BUGS
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See L<Moose/BUGS> for details on reporting bugs.
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=head1 AUTHORS
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=over 4
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=item *
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Stevan Little <stevan@cpan.org>
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=item *
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Dave Rolsky <autarch@urth.org>
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=item *
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Jesse Luehrs <doy@cpan.org>
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=item *
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Shawn M Moore <sartak@cpan.org>
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=item *
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יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>
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=item *
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Karen Etheridge <ether@cpan.org>
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=item *
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Florian Ragwitz <rafl@debian.org>
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=item *
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Hans Dieter Pearcey <hdp@cpan.org>
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=item *
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Chris Prather <chris@prather.org>
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=item *
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Matt S Trout <mstrout@cpan.org>
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=back
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=head1 COPYRIGHT AND LICENSE
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This software is copyright (c) 2006 by Infinity Interactive, Inc.
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This is free software; you can redistribute it and/or modify it under
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the same terms as the Perl 5 programming language system itself.
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=cut
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