generate-mouse-tiny.pl must depend on only standard libraries

[gitmo/Mouse.git] / lib / Mouse / Meta / Class.pm

diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm
index 93c7874..ea36a4b 100644 (file)
--- a/lib/Mouse/Meta/Class.pm
+++ b/lib/Mouse/Meta/Class.pm
@@ -1,11 +1,8 @@
 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;
@@ -14,6 +11,9 @@ our @ISA = qw(Mouse::Meta::Module);
 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) = @_;
 
@@ -27,7 +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;
@@ -79,6 +79,16 @@ 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;
 
@@ -102,20 +112,13 @@ 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) = $self->attribute_metaclass->interpolate_class($name, \%args);
+            my($attribute_class, @traits) = $self->attribute_metaclass->interpolate_class(\%args);
             $args{traits} = \@traits if @traits;
 
             $attr = $attribute_class->new($name, %args);
@@ -256,13 +259,13 @@ 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
@@ -276,7 +279,8 @@ 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");
@@ -341,7 +345,7 @@ 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{
@@ -357,14 +361,18 @@ sub _install_modifier {
     else{
         my $install_modifier = Class::Method::Modifiers::Fast->can('_install_modifier');
         $impl = sub {
-            my ( $self, $into, $type, $name, $code ) = @_;
+            my ( $self, $type, $name, $code ) = @_;
+            my $into = $self->name;
             $install_modifier->(
                 $into,
                 $type,
                 $name,
                 $code
             );
-            $self->{methods}{$name}++; # register it to the method map
+            $self->add_method($name => do{
+                no strict 'refs';
+                \&{ $into . '::' . $name };
+            });
             return;
         };
     }
@@ -375,33 +383,64 @@ 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 {