X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FRole.pm;h=987239763cee603e176c84cb664ed77faebc79bd;hp=5f620f3c6314fe715279f182fb30a56cb96edb04;hb=6d28c5cf89bfd4c00e675e95aff6c31b61aeb805;hpb=33aaf11b51fd4b31581b8c118af54d8ff64060fb diff --git a/lib/Mouse/Role.pm b/lib/Mouse/Role.pm index 5f620f3..9872397 100644 --- a/lib/Mouse/Role.pm +++ b/lib/Mouse/Role.pm @@ -3,15 +3,19 @@ use strict; use warnings; use base 'Exporter'; -use Carp 'confess', 'croak'; +use Carp 'confess'; use Scalar::Util 'blessed'; -use Mouse::Meta::Role; +use Mouse::Util qw(load_class not_supported); +use Mouse (); our @EXPORT = qw(before after around super override inner augment has extends with requires excludes confess blessed); +our %is_removable = map{ $_ => undef } @EXPORT; +delete $is_removable{confess}; +delete $is_removable{blessed}; sub before { - my $meta = Mouse::Meta::Role->initialize(caller); + my $meta = Mouse::Meta::Role->initialize(scalar caller); my $code = pop; for (@_) { @@ -20,7 +24,7 @@ sub before { } sub after { - my $meta = Mouse::Meta::Role->initialize(caller); + my $meta = Mouse::Meta::Role->initialize(scalar caller); my $code = pop; for (@_) { @@ -29,7 +33,7 @@ sub after { } sub around { - my $meta = Mouse::Meta::Role->initialize(caller); + my $meta = Mouse::Meta::Role->initialize(scalar caller); my $code = pop; for (@_) { @@ -52,8 +56,8 @@ sub override { my $fullname = "${classname}::${name}"; defined &$fullname - && confess "Cannot add an override of method '$fullname' " . - "because there is a local version of '$fullname'"; + && $meta->throw_error("Cannot add an override of method '$fullname' " + . "because there is a local version of '$fullname'"); $meta->add_override_method_modifier($name => sub { local $Mouse::SUPER_PACKAGE = shift; @@ -66,15 +70,15 @@ sub override { # We keep the same errors messages as Moose::Role emits, here. sub inner { - croak "Moose::Role cannot support 'inner'"; + Carp::croak "Roles cannot support 'inner'"; } sub augment { - croak "Moose::Role cannot support 'augment'"; + Carp::croak "Roles cannot support 'augment'"; } sub has { - my $meta = Mouse::Meta::Role->initialize(caller); + my $meta = Mouse::Meta::Role->initialize(scalar caller); my $name = shift; my %opts = @_; @@ -82,25 +86,24 @@ sub has { $meta->add_attribute($name => \%opts); } -sub extends { confess "Roles do not currently support 'extends'" } +sub extends { + Carp::croak "Roles do not support 'extends'" +} sub with { - my $meta = Mouse::Meta::Role->initialize(caller); - my $role = shift; - my $args = shift || {}; - confess "Mouse::Role only supports 'with' on individual roles at a time" if @_ || !ref $args; - - Mouse::load_class($role); - $role->meta->apply($meta, %$args); + my $meta = Mouse::Meta::Role->initialize(scalar caller); + Mouse::Util::apply_all_roles($meta->name, @_); } sub requires { - my $meta = Mouse::Meta::Role->initialize(caller); - Carp::croak "Must specify at least one method" unless @_; + my $meta = Mouse::Meta::Role->initialize(scalar caller); + $meta->throw_error("Must specify at least one method") unless @_; $meta->add_required_methods(@_); } -sub excludes { confess "Mouse::Role does not currently support 'excludes'" } +sub excludes { + not_supported; +} sub import { my $class = shift; @@ -116,11 +119,9 @@ sub import { return; } - my $meta = Mouse::Meta::Role->initialize(caller); - - no strict 'refs'; - no warnings 'redefine'; - *{$caller.'::meta'} = sub { $meta }; + Mouse::Meta::Role->initialize($caller)->add_method(meta => sub { + return Mouse::Meta::Role->initialize(ref($_[0]) || $_[0]); + }); Mouse::Role->export_to_level(1, @_); } @@ -128,10 +129,21 @@ sub import { sub unimport { my $caller = caller; - no strict 'refs'; + my $stash = do{ + no strict 'refs'; + \%{$caller . '::'} + }; + for my $keyword (@EXPORT) { - delete ${ $caller . '::' }{$keyword}; + my $code; + if(exists $is_removable{$keyword} + && ($code = $caller->can($keyword)) + && (Mouse::Util::get_code_info($code))[0] eq __PACKAGE__){ + + delete $stash->{$keyword}; + } } + return; } 1; @@ -163,6 +175,8 @@ L. Sets up an "around" method modifier. See L or L. +=over 4 + =item B Sets up the "super" keyword. See L. @@ -179,6 +193,8 @@ This is not supported and emits an error. See L. This is not supported and emits an error. See L. +=back + =head2 has (name|names) => parameters Sets up an attribute (or if passed an arrayref of names, multiple attributes) to