X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FClass.pm;h=ee459c302c73d9687c79b43a003c00e4416bcdc6;hp=1fded4a5f19b8babe6df1ff865721f4bfa8f4a1d;hb=HEAD;hpb=89681b0b770afc3cea51e07b3597967a6b343abf diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm index 1fded4a..ee459c3 100644 --- a/lib/Mouse/Meta/Class.pm +++ b/lib/Mouse/Meta/Class.pm @@ -1,7 +1,7 @@ package Mouse::Meta::Class; use Mouse::Util qw/:meta/; # enables strict and warnings -use Scalar::Util qw/blessed weaken/; +use Scalar::Util (); use Mouse::Meta::Module; our @ISA = qw(Mouse::Meta::Module); @@ -56,38 +56,48 @@ sub superclasses { if (@_) { foreach my $super(@_){ Mouse::Util::load_class($super); - my $meta = Mouse::Util::get_metaclass_by_name($super); - unless(defined $meta) { - # checks if $super is a foreign class (i.e. non-Mouse class) - my $mm = $super->can('meta'); - if(!($mm && $mm == \&Mouse::Util::meta)) { - if($super->can('new') or $super->can('DESTROY')) { - $self->inherit_from_foreign_class($super); - } - } - next; - } - - if(Mouse::Util::is_a_metarole($meta)){ - $self->throw_error("You cannot inherit from a Mouse Role ($super)"); - } - - # checks and fixes in metaclass compatiility - next if $self->isa(ref $meta); # _superclass_meta_is_compatible + next if $self->verify_superclass($super, $meta); $self->_reconcile_with_superclass_meta($meta); } - @{ $self->{superclasses} } = @_; + return @{ $self->{superclasses} } = @_; } return @{ $self->{superclasses} }; } +sub verify_superclass { + my($self, $super, $super_meta) = @_; + + if(defined $super_meta) { + if(Mouse::Util::is_a_metarole($super_meta)){ + $self->throw_error("You cannot inherit from a Mouse Role ($super)"); + } + } + else { + # The metaclass of $super is not initialized. + # i.e. it might be Mouse::Object, a mixin package (e.g. Exporter), + # or a foreign class including Moose classes. + # See also Mouse::Foreign::Meta::Role::Class. + my $mm = $super->can('meta'); + if(!($mm && $mm == \&Mouse::Util::meta)) { + if($super->can('new') or $super->can('DESTROY')) { + $self->inherit_from_foreign_class($super); + } + } + return 1; # always ok + } + + return $self->isa(ref $super_meta); # checks metaclass compatibility +} + sub inherit_from_foreign_class { my($class, $super) = @_; - Carp::carp("You inherit from non-Mouse class ($super)," - . " but it is unlikely to work correctly." - . " Please concider to use MouseX::Foreign"); + if($ENV{PERL_MOUSE_STRICT}) { + Carp::carp("You inherit from non-Mouse class ($super)," + . " but it is unlikely to work correctly." + . " Please consider using MouseX::Foreign"); + } return; } @@ -154,7 +164,7 @@ sub _collect_roles { } -sub find_method_by_name{ +sub find_method_by_name { my($self, $method_name) = @_; defined($method_name) or $self->throw_error('You must define a method name to find'); @@ -179,14 +189,14 @@ sub get_all_method_names { $self->linearized_isa; } -sub find_attribute_by_name{ +sub find_attribute_by_name { my($self, $name) = @_; - my $attr; - foreach my $class($self->linearized_isa){ - my $meta = Mouse::Util::get_metaclass_by_name($class) or next; - $attr = $meta->get_attribute($name) and last; + defined($name) + or $self->throw_error('You must define an attribute name to find'); + foreach my $attr($self->get_all_attributes) { + return $attr if $attr->name eq $name; } - return $attr; + return undef; } sub add_attribute { @@ -194,7 +204,7 @@ sub add_attribute { my($attr, $name); - if(blessed $_[0]){ + if(Scalar::Util::blessed($_[0])){ $attr = $_[0]; $attr->isa('Mouse::Meta::Attribute') @@ -225,14 +235,15 @@ sub add_attribute { } } - weaken( $attr->{associated_class} = $self ); + Scalar::Util::weaken( $attr->{associated_class} = $self ); # install accessors first $attr->install_accessors(); # then register the attribute to the metaclass - $attr->{insertion_order} = keys %{ $self->{attributes} }; - $self->{attributes}{$attr->name} = $attr; + $attr->{insertion_order} = keys %{ $self->{attributes} }; + $self->{attributes}{$name} = $attr; + $self->_invalidate_metaclass_cache(); if(!$attr->{associated_methods} && ($attr->{is} || '') ne 'bare'){ Carp::carp(qq{Attribute ($name) of class }.$self->name @@ -241,6 +252,21 @@ sub add_attribute { return $attr; } +sub _calculate_all_attributes { + my($self) = @_; + my %seen; + my @all_attrs; + foreach my $class($self->linearized_isa) { + my $meta = Mouse::Util::get_metaclass_by_name($class) or next; + my @attrs = grep { !$seen{$_->name}++ } values %{$meta->{attributes}}; + @attrs = sort { + $b->{insertion_order} <=> $a->{insertion_order} + } @attrs; + push @all_attrs, @attrs; + } + return [reverse @all_attrs]; +} + sub linearized_isa; sub new_object; @@ -389,8 +415,7 @@ sub add_override_method_modifier { local $Mouse::SUPER_PACKAGE = $package; local $Mouse::SUPER_BODY = $super_body; local @Mouse::SUPER_ARGS = @_; - - $code->(@_); + &{$code}; }); return; } @@ -407,10 +432,10 @@ sub add_augment_method_modifier { my $super_package = $super->package_name; my $super_body = $super->body; - $self->add_method($name => sub{ + $self->add_method($name => sub { local $Mouse::INNER_BODY{$super_package} = $code; local $Mouse::INNER_ARGS{$super_package} = [@_]; - $super_body->(@_); + &{$super_body}; }); return; } @@ -445,7 +470,7 @@ Mouse::Meta::Class - The Mouse class metaclass =head1 VERSION -This document describes Mouse version 0.70 +This document describes Mouse version 0.95 =head1 DESCRIPTION