X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FRole.pm;h=61aff6721aa388b4a4f35ae9e0e8747330fb298d;hb=df8260e9a27a9d7532a21525223975fcf8e26562;hp=4c6ae21a73e8d7e8caa44883db8f3576f45e4b41;hpb=a5c426fc6d2e353f115051322044234efeca3b66;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Role.pm b/lib/Moose/Role.pm
index 4c6ae21..61aff67 100644
--- a/lib/Moose/Role.pm
+++ b/lib/Moose/Role.pm
@@ -5,12 +5,13 @@ use strict;
 use warnings;
 
 use Scalar::Util 'blessed';
-use Carp         'confess', 'croak';
+use Carp         'croak';
 
 use Data::OptList;
 use Sub::Exporter;
 
-our $VERSION   = '0.56';
+our $VERSION   = '0.63';
+$VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 use Moose       ();
@@ -24,23 +25,23 @@ sub extends {
 }
 
 sub with {
-    Moose::Util::apply_all_roles( shift->meta(), @_ );
+    Moose::Util::apply_all_roles( Moose::Meta::Role->initialize(shift), @_ );
 }
 
 sub requires {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     croak "Must specify at least one method" unless @_;
     $meta->add_required_methods(@_);
 }
 
 sub excludes {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     croak "Must specify at least one role" unless @_;
     $meta->add_excluded_roles(@_);
 }
 
 sub has {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     my $name = shift;
     croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
     my %options = @_;
@@ -49,11 +50,11 @@ sub has {
 }
 
 sub before {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     my $code = pop @_;
 
     for (@_) {
-        croak "Moose::Role do not currently support "
+        croak "Roles do not currently support "
             . ref($_)
             . " references for before method modifiers"
             if ref $_;
@@ -62,11 +63,11 @@ sub before {
 }
 
 sub after {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
 
     my $code = pop @_;
     for (@_) {
-        croak "Moose::Role do not currently support "
+        croak "Roles do not currently support "
             . ref($_)
             . " references for after method modifiers"
             if ref $_;
@@ -75,10 +76,10 @@ sub after {
 }
 
 sub around {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     my $code = pop @_;
     for (@_) {
-        croak "Moose::Role do not currently support "
+        croak "Roles do not currently support "
             . ref($_)
             . " references for around method modifiers"
             if ref $_;
@@ -93,20 +94,20 @@ sub super {
 }
 
 sub override {
-    my $meta = shift->meta();
+    my $meta = Moose::Meta::Role->initialize(shift);
     my ( $name, $code ) = @_;
     $meta->add_override_method_modifier( $name, $code );
 }
 
 sub inner {
-    croak "Moose::Role cannot support 'inner'";
+    croak "Roles cannot support 'inner'";
 }
 
 sub augment {
-    croak "Moose::Role cannot support 'augment'";
+    croak "Roles cannot support 'augment'";
 }
 
-my $exporter = Moose::Exporter->build_import_methods(
+my $exporter = Moose::Exporter->setup_import_methods(
     with_caller => [
         qw( with requires excludes has before after around override make_immutable )
     ],
@@ -115,33 +116,39 @@ my $exporter = Moose::Exporter->build_import_methods(
         \&Carp::confess,
         \&Scalar::Util::blessed,
     ],
-    also => sub { init_meta(shift) },
 );
 
-{
-    my %METAS;
+sub init_meta {
+    shift;
+    my %args = @_;
 
-    sub init_meta {
-        my $role = shift;
+    my $role = $args{for_class}
+        or Moose->throw_error("Cannot call init_meta without specifying a for_class");
 
-        return $METAS{$role} if exists $METAS{$role};
+    my $metaclass = $args{metaclass} || "Moose::Meta::Role";
 
-        # make a subtype for each Moose class
-        role_type $role unless find_type_constraint($role);
+    # make a subtype for each Moose class
+    role_type $role unless find_type_constraint($role);
 
-        my $meta;
-        if ($role->can('meta')) {
-            $meta = $role->meta();
-            (blessed($meta) && $meta->isa('Moose::Meta::Role'))
-                || confess "You already have a &meta function, but it does not return a Moose::Meta::Role";
-        }
-        else {
-            $meta = Moose::Meta::Role->initialize($role);
-            $meta->alias_method('meta' => sub { $meta });
-        }
-
-        return $METAS{$role} = $meta;
+    # FIXME copy from Moose.pm
+    my $meta;
+    if ($role->can('meta')) {
+        $meta = $role->meta();
+        (blessed($meta) && $meta->isa('Moose::Meta::Role'))
+            || Moose->throw_error("You already have a &meta function, but it does not return a Moose::Meta::Role");
+    }
+    else {
+        $meta = $metaclass->initialize($role);
+
+        $meta->add_method(
+            'meta' => sub {
+                # re-initialize so it inherits properly
+                $metaclass->initialize( ref($_[0]) || $_[0] );
+            }
+        );
     }
+
+    return $meta;
 }
 
 1;
@@ -217,6 +224,15 @@ Moose::Role offers a way to remove the keywords it exports, through the
 C<unimport> method. You simply have to say C<no Moose::Role> at the bottom of
 your code for this to work.
 
+=head2 B<< Moose::Role->init_meta(for_class => $role, metaclass => $metaclass) >>
+
+The C<init_meta> method sets up the metaclass object for the role
+specified by C<for_class>. It also injects a a C<meta> accessor into
+the role so you can get at this object.
+
+The default metaclass is L<Moose::Meta::Role>. You can specify an
+alternate metaclass with the C<metaclass> parameter.
+
 =head1 CAVEATS
 
 Role support has only a few caveats: