X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FMethod.pm;h=515f8c7aee029a0a439dbe6f9141e17a62f8556c;hb=eca95e0476ae5a66144c4fd1f4a23c2ba4bdbf26;hp=a9b93e1aac93a64cb7f4a450e31aefe8c3525aff;hpb=8683db0e09d4b53db67d19f36810e4070e264d2d;p=gitmo%2FClass-MOP.git diff --git a/lib/Class/MOP/Method.pm b/lib/Class/MOP/Method.pm index a9b93e1..515f8c7 100644 --- a/lib/Class/MOP/Method.pm +++ b/lib/Class/MOP/Method.pm @@ -5,9 +5,10 @@ use strict; use warnings; use Carp 'confess'; -use Scalar::Util 'blessed'; +use Scalar::Util 'weaken'; -our $VERSION = '0.65'; +our $VERSION = '0.78'; +$VERSION = eval $VERSION; our $AUTHORITY = 'cpan:STEVAN'; use base 'Class::MOP::Object'; @@ -29,7 +30,12 @@ before spending too much time chasing this one down. # construction sub wrap { - my ( $class, $code, %params ) = @_; + my ( $class, @args ) = @_; + + unshift @args, 'body' if @args % 2 == 1; + + my %params = @args; + my $code = $params{body}; ('CODE' eq ref($code)) || confess "You must supply a CODE reference to bless, not (" . ($code || 'undef') . ")"; @@ -37,34 +43,81 @@ sub wrap { ($params{package_name} && $params{name}) || confess "You must supply the package_name and name parameters $UPGRADE_ERROR_TEXT"; - bless { - 'body' => $code, - 'package_name' => $params{package_name}, - 'name' => $params{name}, - } => blessed($class) || $class; + my $self = $class->_new(\%params); + + weaken($self->{associated_metaclass}) if $self->{associated_metaclass}; + + return $self; +} + +sub _new { + my $class = shift; + my $params = @_ == 1 ? $_[0] : {@_}; + + my $self = bless { + 'body' => $params->{body}, + 'associated_metaclass' => $params->{associated_metaclass}, + 'package_name' => $params->{package_name}, + 'name' => $params->{name}, + } => $class; } ## accessors -sub body { (shift)->{'body'} } +sub associated_metaclass { shift->{'associated_metaclass'} } -# TODO - add associated_class +sub attach_to_class { + my ( $self, $class ) = @_; + $self->{associated_metaclass} = $class; + weaken($self->{associated_metaclass}); +} -# informational +sub detach_from_class { + my $self = shift; + delete $self->{associated_metaclass}; +} -sub package_name { +sub fully_qualified_name { my $self = shift; - $self->{'package_name'} ||= (Class::MOP::get_code_info($self->body))[0]; + $self->package_name . '::' . $self->name; } -sub name { +sub original_method { (shift)->{'original_method'} } + +sub _set_original_method { $_[0]->{'original_method'} = $_[1] } + +# It's possible that this could cause a loop if there is a circular +# reference in here. That shouldn't ever happen in normal +# circumstances, since original method only gets set when clone is +# called. We _could_ check for such a loop, but it'd involve some sort +# of package-lexical variable, and wouldn't be terribly subclassable. +sub original_package_name { my $self = shift; - $self->{'name'} ||= (Class::MOP::get_code_info($self->body))[1]; + + $self->original_method + ? $self->original_method->original_package_name + : $self->package_name; } -sub fully_qualified_name { - my $code = shift; - $code->package_name . '::' . $code->name; +sub original_name { + my $self = shift; + + $self->original_method + ? $self->original_method->original_name + : $self->name; +} + +sub original_fully_qualified_name { + my $self = shift; + + $self->original_method + ? $self->original_method->original_fully_qualified_name + : $self->fully_qualified_name; +} + +sub execute { + my $self = shift; + $self->body->(@_); } # NOTE: @@ -109,10 +162,8 @@ to this class. =item B This is the basic constructor, it returns a B -instance which wraps the given C<$code> reference. You can also -set the C and C attributes using the C<%params>. -If these are not set, then thier accessors will attempt to figure -it out using the C function. +instance which wraps the given C<$code> reference. You must also set +the C and C attributes in C<%params>. =item B @@ -133,6 +184,10 @@ This returns the actual CODE reference of the particular instance. This returns the name of the CODE reference. +=item B + +The metaclass of the method + =item B This returns the package name that the CODE reference is attached to. @@ -141,6 +196,62 @@ This returns the package name that the CODE reference is attached to. This returns the fully qualified name of the CODE reference. +=item B + +If this method object was created as a clone of some other method +object, this returns the object that was cloned. + +=item B + +This returns the original name of the CODE reference, wherever it was +first defined. + +If this method is a clone of a clone (of a clone, etc.), this method +returns the name from the I method in the chain of clones. + +=item B + +This returns the original package name that the CODE reference is +attached to, wherever it was first defined. + +If this method is a clone of a clone (of a clone, etc.), this method +returns the package name from the I method in the chain of +clones. + +=item B + +This returns the original fully qualified name of the CODE reference, +wherever it was first defined. + +If this method is a clone of a clone (of a clone, etc.), this method +returns the fully qualified name from the I method in the chain +of clones. + +=back + +=head2 Metaclass + +=over 4 + +=item B + +Sets the associated metaclass + +=item B + +Disassociates the method from the metaclass + +=back + +=head2 Miscellaneous + +=over 4 + +=item B + +Executes the method. Be sure to pass in the instance, since the +method expects it. + =back =head1 AUTHORS