Always load Mouse::Util first, which will be load Mouse::XS in the future

[gitmo/Mouse.git] / lib / Mouse / Role.pm

diff --git a/lib/Mouse/Role.pm b/lib/Mouse/Role.pm
index c798d6a..9872397 100644 (file)
--- 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;