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=85066c7b2f81b60cdda03ebc8c1763a60e622cbc;hb=b06ce1f502945c13a52c503f1a651fe92c91c773;hpb=2a464664052830d5fad036569d5ccb3964c7f592

diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm
index 85066c7..3827636 100644
--- a/lib/Mouse/Meta/Class.pm
+++ b/lib/Mouse/Meta/Class.pm
@@ -1,17 +1,18 @@
 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;
 our @ISA = qw(Mouse::Meta::Module);
 
-sub method_metaclass(){ 'Mouse::Meta::Method' } # required for get_method()
+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) = @_;
@@ -26,7 +27,7 @@ sub _construct_meta {
     };
 
     my $self = bless \%args, ref($class) || $class;
-    if($class ne __PACKAGE__){
+    if(ref($self) ne __PACKAGE__){
         $self->meta->_initialize_object($self, \%args);
     }
     return $self;
@@ -37,17 +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 { $_[0]->{roles} }
+sub 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} } = @_;
     }
 
@@ -58,6 +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;
@@ -78,6 +91,16 @@ 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;
 
@@ -101,20 +124,13 @@ sub add_attribute {
             or $self->throw_error('You must provide a name for the attribute');
 
         if ($name =~ s/^\+//) { # inherited attributes
-            my $inherited_attr;
-
-            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 = $inherited_attr->clone_and_inherit_options($name, \%args);
+            $attr = $inherited_attr->clone_and_inherit_options(%args);
         }
         else{
-            my($attribute_class, @traits) = Mouse::Meta::Attribute->interpolate_class($name, \%args);
+            my($attribute_class, @traits) = $self->attribute_metaclass->interpolate_class(\%args);
             $args{traits} = \@traits if @traits;
 
             $attr = $attribute_class->new($name, %args);
@@ -133,7 +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(@_)
 }
 
@@ -154,7 +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;
@@ -176,7 +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}) && $attribute->is_weak_ref;
@@ -194,8 +211,7 @@ sub _initialize_object{
                                 : ref($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;
@@ -255,13 +271,13 @@ 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
@@ -275,7 +291,8 @@ 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");
@@ -340,7 +357,7 @@ 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{
@@ -356,14 +373,14 @@ 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;
         };
     }
@@ -374,33 +391,64 @@ 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 {
     my ($self, $name, $code) = @_;
 
+    if($self->has_method($name)){
+        $self->throw_error("Cannot add an override method if a local method is already present");
+    }
+
     my $package = $self->name;
 
-    my $body = $package->can($name)
+    my $super_body = $package->can($name)
         or $self->throw_error("You cannot override '$name' because it has no super method");
 
-    $self->add_method($name => sub { $code->($package, $body, @_) });
+    $self->add_method($name => sub {
+        local $Mouse::SUPER_PACKAGE = $package;
+        local $Mouse::SUPER_BODY    = $super_body;
+        local @Mouse::SUPER_ARGS    = @_;
+
+        $code->(@_);
+    });
+    return;
+}
+
+sub add_augment_method_modifier {
+    my ($self, $name, $code) = @_;
+    if($self->has_method($name)){
+        $self->throw_error("Cannot add an augment method if a local method is already present");
+    }
+
+    my $super = $self->find_method_by_name($name)
+        or $self->throw_error("You cannot augment '$name' because it has no super method");
+
+    my $super_package = $super->package_name;
+    my $super_body    = $super->body;
+
+    $self->add_method($name => sub{
+        local $Mouse::INNER_BODY{$super_package} = $code;
+        local $Mouse::INNER_ARGS{$super_package} = [@_];
+        $super_body->(@_);
+    });
+    return;
 }
 
 sub does_role {
@@ -410,8 +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 }) {
 
@@ -423,13 +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 >>