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=382763605db3f38328e7c52bd96ec1ea813f85ce;hp=ea36a4beed88297d2f8fa19959af62805b24e10f;hb=b06ce1f502945c13a52c503f1a651fe92c91c773;hpb=8d59c7239b90bb75b0187decbed09c6952e2b4a5

diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm
index ea36a4b..3827636 100644
--- a/lib/Mouse/Meta/Class.pm
+++ b/lib/Mouse/Meta/Class.pm
@@ -38,17 +38,28 @@ sub create_anon_class{
     return $self->create(undef, @_);
 }
 
-sub is_anon_class{
-    return exists $_[0]->{anon_serial_id};
-}
+sub is_anon_class;
+
+sub roles;
 
-sub roles { $_[0]->{roles} }
+sub calculate_all_roles {
+    my $self = shift;
+    my %seen;
+    return grep { !$seen{ $_->name }++ }
+           map  { $_->calculate_all_roles } @{ $self->roles };
+}
 
 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 +70,7 @@ 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;
@@ -137,7 +149,8 @@ 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(@_)
 }
 
@@ -158,7 +171,7 @@ sub get_all_attributes {
     return @attr;
 }
 
-sub linearized_isa { @{ get_linear_isa($_[0]->name) } }
+sub linearized_isa;
 
 sub new_object {
     my $self = shift;
@@ -180,7 +193,7 @@ 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}) && $attribute->is_weak_ref;
@@ -198,8 +211,7 @@ sub _initialize_object{
                                 : ref($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;
@@ -363,12 +375,8 @@ sub _install_modifier {
         $impl = sub {
             my ( $self, $type, $name, $code ) = @_;
             my $into = $self->name;
-            $install_modifier->(
-                $into,
-                $type,
-                $name,
-                $code
-            );
+            $install_modifier->($into, $type, $name, $code);
+
             $self->add_method($name => do{
                 no strict 'refs';
                 \&{ $into . '::' . $name };
@@ -450,8 +458,8 @@ 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 }) {
 
@@ -463,13 +471,16 @@ sub does_role {
 }
 
 1;
-
 __END__
 
 =head1 NAME
 
 Mouse::Meta::Class - The Mouse class metaclass
 
+=head1 VERSION
+
+This document describes Mouse version 0.40_01
+
 =head1 METHODS
 
 =head2 C<< initialize(ClassName) -> Mouse::Meta::Class >>