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=fbb4bb9b25adf035af7ceb5d126cdf2c1079f55b;hp=9b32fc3d1b8aacd3a611c739978cbead3ab11d0b;hb=f91c9c099c234823ea992198c845e5bb066fdc7a;hpb=84ef660f3af9eb7802a34ed7a8ce3cdc9c52d79f diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm index 9b32fc3..fbb4bb9 100644 --- a/lib/Mouse/Meta/Class.pm +++ b/lib/Mouse/Meta/Class.pm @@ -1,13 +1,13 @@ -#!/usr/bin/env perl package Mouse::Meta::Class; use strict; use warnings; -use Scalar::Util 'blessed'; +use Mouse::Meta::Method::Constructor; +use Mouse::Meta::Method::Destructor; +use Scalar::Util qw/blessed/; +use Mouse::Util qw/get_linear_isa/; use Carp 'confess'; -use MRO::Compat; - do { my %METACLASS_CACHE; @@ -37,6 +37,7 @@ sub new { no strict 'refs'; \@{ $args{name} . '::ISA' }; }; + $args{roles} ||= []; bless \%args, $class; } @@ -62,9 +63,39 @@ sub add_method { my $pkg = $self->name; no strict 'refs'; + no warnings 'redefine'; + $self->{'methods'}->{$name}++; # Moose stores meta object here. *{ $pkg . '::' . $name } = $code; } +# copied from Class::Inspector +my $get_methods_for_class = sub { + my $self = shift; + my $name = shift; + + no strict 'refs'; + # Get all the CODE symbol table entries + my @functions = + grep !/^(?:has|with|around|before|after|blessed|extends|confess|override|super)$/, + grep { defined &{"${name}::$_"} } + keys %{"${name}::"}; + push @functions, keys %{$self->{'methods'}->{$name}} if $self; + wantarray ? @functions : \@functions; +}; + +sub get_method_list { + my $self = shift; + $get_methods_for_class->($self, $self->name); +} + +sub get_all_method_names { + my $self = shift; + my %uniq; + return grep { $uniq{$_}++ == 0 } + map { $get_methods_for_class->(undef, $_) } + $self->linearized_isa; +} + sub add_attribute { my $self = shift; my $attr = shift; @@ -93,7 +124,7 @@ sub get_attribute_map { $_[0]->{attributes} } sub has_attribute { exists $_[0]->{attributes}->{$_[1]} } sub get_attribute { $_[0]->{attributes}->{$_[1]} } -sub linearized_isa { @{ mro::get_linear_isa($_[0]->name) } } +sub linearized_isa { @{ get_linear_isa($_[0]->name) } } sub clone_object { my $class = shift; @@ -125,11 +156,157 @@ sub clone_instance { } -sub make_immutable {} -sub is_immutable { 0 } +sub make_immutable { + my $self = shift; + my %args = ( + inline_constructor => 1, + @_, + ); + + my $name = $self->name; + $self->{is_immutable}++; + + if ($args{inline_constructor}) { + $self->add_method('new' => Mouse::Meta::Method::Constructor->generate_constructor_method_inline( $self )); + } + + if ($args{inline_destructor}) { + $self->add_method('DESTROY' => Mouse::Meta::Method::Destructor->generate_destructor_method_inline( $self )); + } +} + +sub make_mutable { confess "Mouse does not currently support 'make_mutable'" } + +sub is_immutable { $_[0]->{is_immutable} } sub attribute_metaclass { "Mouse::Meta::Class" } +sub _install_modifier { + my ( $self, $into, $type, $name, $code ) = @_; + if (eval "require Class::Method::Modifiers::Fast; 1") { + Class::Method::Modifiers::Fast::_install_modifier( + $into, + $type, + $name, + $code + ); + } + else { + require Class::Method::Modifiers; + Class::Method::Modifiers::_install_modifier( + $into, + $type, + $name, + $code + ); + } +} + +sub add_before_method_modifier { + my ( $self, $name, $code ) = @_; + $self->_install_modifier( $self->name, 'before', $name, $code ); +} + +sub add_around_method_modifier { + my ( $self, $name, $code ) = @_; + $self->_install_modifier( $self->name, 'around', $name, $code ); +} + +sub add_after_method_modifier { + my ( $self, $name, $code ) = @_; + $self->_install_modifier( $self->name, 'after', $name, $code ); +} + +sub roles { $_[0]->{roles} } + +sub does_role { + my ($self, $role_name) = @_; + + (defined $role_name) + || confess "You must supply a role name to look for"; + + for my $role (@{ $self->{roles} }) { + return 1 if $role->name eq $role_name; + } + + return 0; +} + +sub create { + my ($self, $package_name, %options) = @_; + + (ref $options{superclasses} eq 'ARRAY') + || confess "You must pass an ARRAY ref of superclasses" + if exists $options{superclasses}; + + (ref $options{attributes} eq 'ARRAY') + || confess "You must pass an ARRAY ref of attributes" + if exists $options{attributes}; + + (ref $options{methods} eq 'HASH') + || confess "You must pass a HASH ref of methods" + if exists $options{methods}; + + do { + ( defined $package_name && $package_name ) + || confess "You must pass a package name"; + + my $code = "package $package_name;"; + $code .= "\$$package_name\:\:VERSION = '" . $options{version} . "';" + if exists $options{version}; + $code .= "\$$package_name\:\:AUTHORITY = '" . $options{authority} . "';" + if exists $options{authority}; + + eval $code; + confess "creation of $package_name failed : $@" if $@; + }; + + my %initialize_options = %options; + delete @initialize_options{qw( + package + superclasses + attributes + methods + version + authority + )}; + my $meta = $self->initialize( $package_name => %initialize_options ); + + # FIXME totally lame + $meta->add_method('meta' => sub { + $self->initialize(ref($_[0]) || $_[0]); + }); + + $meta->superclasses(@{$options{superclasses}}) + if exists $options{superclasses}; + # NOTE: + # process attributes first, so that they can + # install accessors, but locally defined methods + # can then overwrite them. It is maybe a little odd, but + # I think this should be the order of things. + if (exists $options{attributes}) { + foreach my $attr (@{$options{attributes}}) { + Mouse::Meta::Attribute->create($meta, $attr->{name}, %$attr); + } + } + if (exists $options{methods}) { + foreach my $method_name (keys %{$options{methods}}) { + $meta->add_method($method_name, $options{methods}->{$method_name}); + } + } + return $meta; +} + +{ + my $ANON_CLASS_SERIAL = 0; + my $ANON_CLASS_PREFIX = 'Mouse::Meta::Class::__ANON__::SERIAL::'; + sub create_anon_class { + my ( $class, %options ) = @_; + my $package_name = $ANON_CLASS_PREFIX . ++$ANON_CLASS_SERIAL; + return $class->create( $package_name, %options ); + } +} + 1; __END__ @@ -172,7 +349,7 @@ this class and its superclasses. Returns a mapping of attribute names to their corresponding L objects. -=head2 has_attribute Name -> Boool +=head2 has_attribute Name -> Bool Returns whether we have a L with the given name.