X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FMixin%2FHasMethods.pm;h=217e19d8767f0449d36a110ebd065623426b970d;hb=d004c8d565f9b314da7652e9368aeb4587ffaa3d;hp=d496ddf49be09949956e1775f6c744b58ecde3b3;hpb=80076f1e7b4ff4dcc19ae5844e3179d4b6c06352;p=gitmo%2FClass-MOP.git diff --git a/lib/Class/MOP/Mixin/HasMethods.pm b/lib/Class/MOP/Mixin/HasMethods.pm index d496ddf..217e19d 100644 --- a/lib/Class/MOP/Mixin/HasMethods.pm +++ b/lib/Class/MOP/Mixin/HasMethods.pm @@ -3,7 +3,9 @@ package Class::MOP::Mixin::HasMethods; use strict; use warnings; -our $VERSION = '1.09'; +use Class::MOP::Method::Meta; + +our $VERSION = '1.12'; $VERSION = eval $VERSION; our $AUTHORITY = 'cpan:STEVAN'; @@ -13,14 +15,24 @@ use Sub::Name 'subname'; use base 'Class::MOP::Mixin'; -sub method_metaclass { $_[0]->{'method_metaclass'} } -sub wrapped_method_metaclass { $_[0]->{'wrapped_method_metaclass'} } +sub _meta_method_class { 'Class::MOP::Method::Meta' } -# This doesn't always get initialized in a constructor because there is a -# weird object construction path for subclasses of Class::MOP::Class. At one -# point, this always got initialized by calling into the XS code first, but -# that is no longer guaranteed to happen. -sub _method_map { $_[0]->{'methods'} ||= {} } +sub _add_meta_method { + my $self = shift; + my ($name) = @_; + my $existing_method = $self->can('find_method_by_name') + ? $self->find_method_by_name($name) + : $self->get_method($name); + return if $existing_method + && $existing_method->isa($self->_meta_method_class); + $self->add_method( + $name => $self->_meta_method_class->wrap( + name => $name, + package_name => $self->name, + associated_metaclass => $self, + ) + ); +} sub wrap_method_body { my ( $self, %args ) = @_; @@ -48,7 +60,7 @@ sub add_method { $method = $method->clone( package_name => $package_name, name => $method_name, - ) if $method->can('clone'); + ); } $method->attach_to_class($self); @@ -61,17 +73,15 @@ sub add_method { $self->_method_map->{$method_name} = $method; - my ( $current_package, $current_name ) = Class::MOP::get_code_info($body); + my ($current_package, $current_name) = Class::MOP::get_code_info($body); - if ( !defined $current_name || $current_name =~ /^__ANON__/ ) { - my $full_method_name = ( $package_name . '::' . $method_name ); - subname( $full_method_name => $body ); - } + subname($package_name . '::' . $method_name, $body) + unless defined $current_name && $current_name !~ /^__ANON__/; - $self->add_package_symbol( - { sigil => '&', type => 'CODE', name => $method_name }, - $body, - ); + $self->add_package_symbol("&$method_name", $body); + + # we added the method to the method map too, so it's still valid + $self->update_package_cache_flag; } sub _code_is_mine { @@ -79,7 +89,7 @@ sub _code_is_mine { my ( $code_package, $code_name ) = Class::MOP::get_code_info($code); - return $code_package && $code_package eq $self->name + return ( $code_package && $code_package eq $self->name ) || ( $code_package eq 'constant' && $code_name eq '__ANON__' ); } @@ -89,7 +99,10 @@ sub has_method { ( defined $method_name && length $method_name ) || confess "You must define a method name"; - return defined( $self->_get_maybe_raw_method($method_name) ); + my $method = $self->_get_maybe_raw_method($method_name) + or return; + + return defined($self->_method_map->{$method_name} = $method); } sub get_method { @@ -113,42 +126,28 @@ sub get_method { sub _get_maybe_raw_method { my ( $self, $method_name ) = @_; - my $method_map = $self->_method_map; - my $map_entry = $method_map->{$method_name}; - my $code = $self->get_package_symbol( - { - name => $method_name, - sigil => '&', - type => 'CODE', - } - ); + my $map_entry = $self->_method_map->{$method_name}; + return $map_entry if defined $map_entry; - # The !$code case seems to happen in some weird cases where methods - # modifiers are added via roles or some other such bizareness. Honestly, I - # don't totally understand this, but returning the entry works, and keeps - # various MX modules from blowing up. - DR - return $map_entry - if blessed $map_entry && ( !$code || $map_entry->body == $code ); + my $code = $self->get_package_symbol("&$method_name"); - unless ($map_entry) { - return unless $code && $self->_code_is_mine($code); - } + return unless $code && $self->_code_is_mine($code); return $code; } sub remove_method { my ( $self, $method_name ) = @_; + ( defined $method_name && length $method_name ) || confess "You must define a method name"; - my $removed_method = delete $self->_full_method_map->{$method_name}; + my $removed_method = delete $self->_method_map->{$method_name}; - $self->remove_package_symbol( - { sigil => '&', type => 'CODE', name => $method_name } ); + $self->remove_package_symbol("&$method_name"); $removed_method->detach_from_class - if $removed_method && blessed $removed_method; + if blessed($removed_method); # still valid, since we just removed the method from the map $self->update_package_cache_flag; @@ -159,34 +158,13 @@ sub remove_method { sub get_method_list { my $self = shift; - my $namespace = $self->namespace; - - # Constants may show up as some sort of non-GLOB reference in the - # namespace hash ref, depending on the Perl version. - return grep { - defined $namespace->{$_} - && ( ref( \$namespace->{$_} ) ne 'GLOB' - || *{ $namespace->{$_} }{CODE} ) - && $self->has_method($_) - } - keys %{$namespace}; + return keys %{ $self->_full_method_map }; } -# This should probably be what get_method_list actually does, instead of just -# returning names. This was created as a much faster alternative to -# $meta->get_method($_) for $meta->get_method_list sub _get_local_methods { my $self = shift; - my $namespace = $self->namespace; - - return map { $self->get_method($_) } - grep { - defined $namespace->{$_} - && ( ref $namespace->{$_} - || *{ $namespace->{$_} }{CODE} ) - } - keys %{$namespace}; + return values %{ $self->_full_method_map }; } sub _restore_metamethods_from { @@ -194,25 +172,38 @@ sub _restore_metamethods_from { my ($old_meta) = @_; for my $method ($old_meta->_get_local_methods) { - # XXX: this is pretty gross. the issue here is that - # CMOP::Method::Wrapped objects are subclasses of CMOP::Method, but - # when we get to moose, they'll need to be compatible with - # Moose::Meta::Method, which isn't possible. the right solution here is - # to make ::Wrapped into a role that gets applied to whatever the - # method_metaclass happens to be and get rid of - # wrapped_method_metaclass entirely, but that's not going to happen - # until we ditch cmop and get roles into the bootstrapping, so. - # i'm not maintaining the previous behavior of turning them into - # instances of the new method_metaclass because that's equally broken, - # and at least this way any issues will at least be detectable and - # potentially fixable. -doy - if (!$method->isa($self->wrapped_method_metaclass)) { - $method->_make_compatible_with($self->method_metaclass); - } + $method->_make_compatible_with($self->method_metaclass); $self->add_method($method->name => $method); } } +sub reset_package_cache_flag { (shift)->{'_package_cache_flag'} = undef } +sub update_package_cache_flag { + my $self = shift; + # NOTE: + # we can manually update the cache number + # since we are actually adding the method + # to our cache as well. This avoids us + # having to regenerate the method_map. + # - SL + $self->{'_package_cache_flag'} = Class::MOP::check_package_cache_flag($self->name); +} + +sub _full_method_map { + my $self = shift; + + my $pkg_gen = Class::MOP::check_package_cache_flag($self->name); + + if (($self->{_package_cache_flag_full} || -1) != $pkg_gen) { + # forcibly reify all method map entries + $self->get_method($_) + for $self->list_all_package_symbols('CODE'); + $self->{_package_cache_flag_full} = $pkg_gen; + } + + return $self->_method_map; +} + 1; __END__