0.55 setup

[gitmo/Moose.git] / lib / Moose / Object.pm

diff --git a/lib/Moose/Object.pm b/lib/Moose/Object.pm
index d018d27..86dce7f 100644 (file)
--- a/lib/Moose/Object.pm
+++ b/lib/Moose/Object.pm
@@ -9,25 +9,32 @@ use if ( not our $__mx_is_compiled ), metaclass => 'Moose::Meta::Class';
 
 use Carp 'confess';
 
-our $VERSION   = '0.12';
+our $VERSION   = '0.54';
 our $AUTHORITY = 'cpan:STEVAN';
 
 sub new {
     my $class = shift;
-    my %params;
+    my $params = $class->BUILDARGS(@_);
+    my $self = $class->meta->new_object(%$params);
+    $self->BUILDALL($params);
+    return $self;
+}
+
+sub BUILDARGS {
+    my $class = shift;
     if (scalar @_ == 1) {
         if (defined $_[0]) {
             (ref($_[0]) eq 'HASH')
                 || confess "Single parameters to new() must be a HASH ref";
-            %params = %{$_[0]};
+            return {%{$_[0]}};
+        } 
+        else {
+            return {}; # FIXME this is compat behavior, but is it correct?
         }
-    }
+    } 
     else {
-        %params = @_;
+        return {@_};
     }
-    my $self = $class->meta->new_object(%params);
-    $self->BUILDALL(\%params);
-    return $self;
 }
 
 sub BUILDALL {
@@ -42,27 +49,46 @@ sub BUILDALL {
 }
 
 sub DEMOLISHALL {
+    my $self = shift;    
+    foreach my $method ($self->meta->find_all_methods_by_name('DEMOLISH')) {
+        $method->{code}->body->($self);
+    }
+}
+
+sub DESTROY { 
     # NOTE: we ask Perl if we even 
     # need to do this first, to avoid
     # extra meta level calls    
-    return unless $_[0]->can('DEMOLISH');    
-    my $self = shift;    
-    {
+    return unless $_[0]->can('DEMOLISH');
+    # if we have an exception here ...
+    if ($@) {
+        # localize the $@ ...
         local $@;
-        foreach my $method ($self->meta->find_all_methods_by_name('DEMOLISH')) {
-            $method->{code}->body->($self);
-        }
-    }    
+        # run DEMOLISHALL ourselves, ...
+        $_[0]->DEMOLISHALL;
+        # and return ...
+        return;
+    }
+    # otherwise it is normal destruction
+    $_[0]->DEMOLISHALL;
 }
 
-sub DESTROY { goto &DEMOLISHALL }
+# support for UNIVERSAL::DOES ...
+BEGIN {
+    my $does = UNIVERSAL->can("DOES") ? "SUPER::DOES" : "isa";
+    eval 'sub DOES {
+        my ( $self, $class_or_role_name ) = @_;
+        return $self->'.$does.'($class_or_role_name)
+            || $self->does($class_or_role_name);
+    }';
+}
 
 # new does() methods will be created 
 # as approiate see Moose::Meta::Role
 sub does {
     my ($self, $role_name) = @_;
     (defined $role_name)
-        || confess "You much supply a role name to does()";
+        || confess "You must supply a role name to does()";
     my $meta = $self->meta;
     foreach my $class ($meta->class_precedence_list) {
         my $m = $meta->initialize($class);
@@ -119,7 +145,12 @@ This will return the metaclass associated with the given class.
 
 =item B<new>
 
-This will create a new instance and call C<BUILDALL>.
+This will call C<BUILDARGS>, create a new instance and call C<BUILDALL>.
+
+=item B<BUILDARGS>
+
+This method processes an argument list into a hash reference. It is used by
+C<new>.
 
 =item B<BUILDALL>
 
@@ -135,6 +166,12 @@ This will call every C<DEMOLISH> method in the inheritance hierarchy.
 This will check if the invocant's class C<does> a given C<$role_name>. 
 This is similar to C<isa> for object, but it checks the roles instead.
 
+=item B<DOES ($class_or_role_name)>
+
+A Moose Role aware implementation of L<UNIVERSAL/DOES>.
+
+C<DOES> is equivalent to C<isa> or C<does>.
+
 =item B<dump ($maxdepth)>
 
 Cmon, how many times have you written the following code while debugging: