X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FClass.pm;h=187ba003ab749e5fcdea81833f68647e492db3d1;hb=902174eb6dc2afbe8a2b8fb0a27446b3276787d8;hp=a3fe71b36bca2fcd09a735d31ddb315fa19b6138;hpb=a0d746d2f364b97682306cd942d4ad0f6a96897e;p=gitmo%2FMouse.git diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm index a3fe71b..187ba00 100644 --- a/lib/Mouse/Meta/Class.pm +++ b/lib/Mouse/Meta/Class.pm @@ -56,16 +56,25 @@ sub superclasses { if (@_) { foreach my $super(@_){ Mouse::Util::load_class($super); - my $meta = Mouse::Util::get_metaclass_by_name($super); - next if not defined $meta; + 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 - $self->_reconcile_with_superclass_meta($meta); } @{ $self->{superclasses} } = @_; @@ -73,6 +82,15 @@ sub superclasses { return @{ $self->{superclasses} }; } + +sub inherit_from_foreign_class { + my($class, $super) = @_; + Carp::carp("You inherit from non-Mouse class ($super)," + . " but it is unlikely to work correctly." + . " Please concider to use MouseX::Foreign"); + return; +} + my @MetaClassTypes = ( 'attribute', # Mouse::Meta::Attribute 'method', # Mouse::Meta::Method @@ -271,22 +289,25 @@ sub make_mutable { sub is_immutable; sub is_mutable { !$_[0]->is_immutable } -sub _install_modifier_pp{ +sub _install_modifier { my( $self, $type, $name, $code ) = @_; my $into = $self->name; my $original = $into->can($name) - or $self->throw_error("The method '$name' is not found in the inheritance hierarchy for class $into"); + or $self->throw_error("The method '$name' was not found in the inheritance hierarchy for $into"); my $modifier_table = $self->{modifiers}{$name}; if(!$modifier_table){ - my(@before, @after, @around, $cache, $modified); - - $cache = $original; - - $modified = sub { - for my $c (@before) { $c->(@_) } + my(@before, @after, @around); + my $cache = $original; + my $modified = sub { + if(@before) { + for my $c (@before) { $c->(@_) } + } + unless(@after) { + return $cache->(@_); + } if(wantarray){ # list context my @rval = $cache->(@_); @@ -337,55 +358,6 @@ sub _install_modifier_pp{ return; } -sub _install_modifier { - my ( $self, $type, $name, $code ) = @_; - - # load Data::Util first - my $no_cmm_fast = do{ - local $@; - eval q{ use Data::Util 0.55 () }; - $@; - }; - - my $impl; - if($no_cmm_fast){ - $impl = \&_install_modifier_pp; - } - else{ - $impl = sub { - my ( $self, $type, $name, $code ) = @_; - my $into = $self->name; - - my $method = Mouse::Util::get_code_ref( $into, $name ); - - if ( !$method || !Data::Util::subroutine_modifier($method) ) { - unless ($method) { - $method = $into->can($name) - or Carp::confess("The method '$name' is not found in the inheritance hierarchy for class $into"); - } - $method = Data::Util::modify_subroutine( $method, - $type => [$code] ); - - $self->add_method($name => $method); - } - else { - Data::Util::subroutine_modifier( $method, $type => $code ); - $self->add_method($name => Mouse::Util::get_code_ref($into, $name)); - } - - return; - }; - } - - # replace this method itself :) - { - no warnings 'redefine'; - *_install_modifier = $impl; - } - - $self->$impl( $type, $name, $code ); -} - sub add_before_method_modifier { my ( $self, $name, $code ) = @_; $self->_install_modifier( 'before', $name, $code ); @@ -473,7 +445,12 @@ Mouse::Meta::Class - The Mouse class metaclass =head1 VERSION -This document describes Mouse version 0.64 +This document describes Mouse version 0.70 + +=head1 DESCRIPTION + +This class is a meta object protocol for Mouse classes, +which is a subset of Moose::Meta:::Class. =head1 METHODS