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=7b40497d53b9b2af1ebfd531ccafa7461cb57785;hp=dfbce2402b9831e2db78fdf2fae4f3a86fcf11bb;hb=6a8eecb78c88a4d9d77b03e8cf5885b5c6a1fdf9;hpb=768804c030095d21c5f83cdb63756a3275c242a9 diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm index dfbce24..7b40497 100644 --- a/lib/Mouse/Meta/Class.pm +++ b/lib/Mouse/Meta/Class.pm @@ -1,11 +1,8 @@ package Mouse::Meta::Class; -use strict; -use warnings; +use Mouse::Util qw/:meta get_linear_isa not_supported/; # enables strict and warnings use Scalar::Util qw/blessed weaken/; -use Mouse::Util qw/:meta get_linear_isa not_supported/; - use Mouse::Meta::Method::Constructor; use Mouse::Meta::Method::Destructor; use Mouse::Meta::Module; @@ -14,6 +11,9 @@ our @ISA = qw(Mouse::Meta::Module); sub method_metaclass() { 'Mouse::Meta::Method' } sub attribute_metaclass() { 'Mouse::Meta::Attribute' } +sub constructor_class() { 'Mouse::Meta::Method::Constructor' } +sub destructor_class() { 'Mouse::Meta::Method::Destructor' } + sub _construct_meta { my($class, %args) = @_; @@ -48,7 +48,13 @@ sub superclasses { my $self = shift; if (@_) { - Mouse::load_class($_) for @_; + foreach my $super(@_){ + Mouse::Util::load_class($super); + my $meta = Mouse::Util::get_metaclass_by_name($super); + if($meta && $meta->isa('Mouse::Meta::Role')){ + $self->throw_error("You cannot inherit from a Mouse Role ($super)"); + } + } @{ $self->{superclasses} } = @_; } @@ -59,6 +65,7 @@ sub find_method_by_name{ my($self, $method_name) = @_; defined($method_name) or $self->throw_error('You must define a method name to find'); + foreach my $class( $self->linearized_isa ){ my $method = $self->initialize($class)->get_method($method_name); return $method if defined $method; @@ -79,6 +86,16 @@ sub get_all_method_names { $self->linearized_isa; } +sub find_attribute_by_name{ + my($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; + } + return $attr; +} + sub add_attribute { my $self = shift; @@ -102,15 +119,7 @@ sub add_attribute { or $self->throw_error('You must provide a name for the attribute'); if ($name =~ s/^\+//) { # inherited attributes - my $inherited_attr; - - # find_attribute_by_name - foreach my $class($self->linearized_isa){ - my $meta = Mouse::Util::get_metaclass_by_name($class) or next; - $inherited_attr = $meta->get_attribute($name) and last; - } - - defined($inherited_attr) + my $inherited_attr = $self->find_attribute_by_name($name) or $self->throw_error("Could not find an attribute by the name of '$name' to inherit from in ".$self->name); $attr = $inherited_attr->clone_and_inherit_options(%args); @@ -135,7 +144,8 @@ sub add_attribute { } sub compute_all_applicable_attributes { - Carp::cluck('compute_all_applicable_attributes() has been deprecated'); + Carp::cluck('compute_all_applicable_attributes() has been deprecated') + if _MOUSE_VERBOSE; return shift->get_all_attributes(@_) } @@ -178,7 +188,7 @@ sub _initialize_object{ my $key = $attribute->name; if (defined($from) && exists($args->{$from})) { - $object->{$key} = $attribute->_coerce_and_verify($args->{$from}); + $object->{$key} = $attribute->_coerce_and_verify($args->{$from}, $object); weaken($object->{$key}) if ref($object->{$key}) && $attribute->is_weak_ref; @@ -196,8 +206,7 @@ sub _initialize_object{ : ref($default) eq 'CODE' ? $object->$default() : $default; - # XXX: we cannot use $attribute->set_value() because it invokes triggers. - $object->{$key} = $attribute->_coerce_and_verify($value, $object);; + $object->{$key} = $attribute->_coerce_and_verify($value, $object); weaken($object->{$key}) if ref($object->{$key}) && $attribute->is_weak_ref; @@ -257,13 +266,13 @@ sub make_immutable { $self->{is_immutable}++; if ($args{inline_constructor}) { - # generate and install - Mouse::Meta::Method::Constructor->_generate_constructor_method($self, \%args); + $self->add_method($args{constructor_name} => + $self->constructor_class->_generate_constructor($self, \%args)); } if ($args{inline_destructor}) { - # generate and install - Mouse::Meta::Method::Destructor->_generate_destructor_method($self, \%args); + $self->add_method(DESTROY => + $self->destructor_class->_generate_destructor($self, \%args)); } # Moose's make_immutable returns true allowing calling code to skip setting an explicit true value @@ -277,7 +286,8 @@ sub is_immutable { $_[0]->{is_immutable} } sub is_mutable { !$_[0]->{is_immutable} } sub _install_modifier_pp{ - my( $self, $into, $type, $name, $code ) = @_; + 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"); @@ -342,7 +352,7 @@ sub _install_modifier_pp{ } sub _install_modifier { - my ( $self, $into, $type, $name, $code ) = @_; + my ( $self, $type, $name, $code ) = @_; # load Class::Method::Modifiers first my $no_cmm_fast = do{ @@ -358,14 +368,14 @@ sub _install_modifier { else{ my $install_modifier = Class::Method::Modifiers::Fast->can('_install_modifier'); $impl = sub { - my ( $self, $into, $type, $name, $code ) = @_; - $install_modifier->( - $into, - $type, - $name, - $code - ); - $self->{methods}{$name}++; # register it to the method map + my ( $self, $type, $name, $code ) = @_; + my $into = $self->name; + $install_modifier->($into, $type, $name, $code); + + $self->add_method($name => do{ + no strict 'refs'; + \&{ $into . '::' . $name }; + }); return; }; } @@ -376,22 +386,22 @@ sub _install_modifier { *_install_modifier = $impl; } - $self->$impl( $into, $type, $name, $code ); + $self->$impl( $type, $name, $code ); } sub add_before_method_modifier { my ( $self, $name, $code ) = @_; - $self->_install_modifier( $self->name, 'before', $name, $code ); + $self->_install_modifier( 'before', $name, $code ); } sub add_around_method_modifier { my ( $self, $name, $code ) = @_; - $self->_install_modifier( $self->name, 'around', $name, $code ); + $self->_install_modifier( 'around', $name, $code ); } sub add_after_method_modifier { my ( $self, $name, $code ) = @_; - $self->_install_modifier( $self->name, 'after', $name, $code ); + $self->_install_modifier( 'after', $name, $code ); } sub add_override_method_modifier { @@ -443,8 +453,8 @@ sub does_role { || $self->throw_error("You must supply a role name to look for"); for my $class ($self->linearized_isa) { - my $meta = Mouse::Util::get_metaclass_by_name($class); - next unless $meta && $meta->can('roles'); + my $meta = Mouse::Util::get_metaclass_by_name($class) + or next; for my $role (@{ $meta->roles }) { @@ -456,13 +466,16 @@ sub does_role { } 1; - __END__ =head1 NAME Mouse::Meta::Class - The Mouse class metaclass +=head1 VERSION + +This document describes Mouse version 0.39 + =head1 METHODS =head2 C<< initialize(ClassName) -> Mouse::Meta::Class >>