use Scalar::Util 'blessed';
use Carp 'confess', 'croak', 'cluck';
-use Sub::Exporter;
+use Moose::Exporter;
use Class::MOP 0.64;
use Moose::Util::TypeConstraints;
use Moose::Util ();
-{
- my $CALLER;
-
- my %exports = (
- extends => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::extends' => sub (@) {
- croak "Must derive at least one class" unless @_;
-
- my @supers = @_;
- foreach my $super (@supers) {
- Class::MOP::load_class($super);
- croak "You cannot inherit from a Moose Role ($super)"
- if $super->can('meta') &&
- blessed $super->meta &&
- $super->meta->isa('Moose::Meta::Role')
- }
-
-
-
- # this checks the metaclass to make sure
- # it is correct, sometimes it can get out
- # of sync when the classes are being built
- my $meta = $class->meta->_fix_metaclass_incompatability(@supers);
- $meta->superclasses(@supers);
- });
- },
- with => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::with' => sub (@) {
- Moose::Util::apply_all_roles($class->meta, @_)
- });
- },
- has => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::has' => sub ($;%) {
- my $name = shift;
- croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
- my %options = @_;
- my $attrs = ( ref($name) eq 'ARRAY' ) ? $name : [ ($name) ];
- $class->meta->add_attribute( $_, %options ) for @$attrs;
- });
- },
- before => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::before' => sub (@&) {
- Moose::Util::add_method_modifier($class, 'before', \@_);
- });
- },
- after => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::after' => sub (@&) {
- Moose::Util::add_method_modifier($class, 'after', \@_);
- });
- },
- around => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::around' => sub (@&) {
- Moose::Util::add_method_modifier($class, 'around', \@_);
- });
- },
- super => sub {
- return Class::MOP::subname('Moose::super' => sub {
- return unless our $SUPER_BODY; $SUPER_BODY->(our @SUPER_ARGS)
- });
- },
- override => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::override' => sub ($&) {
- my ( $name, $method ) = @_;
- $class->meta->add_override_method_modifier( $name => $method );
- });
- },
- inner => sub {
- return Class::MOP::subname('Moose::inner' => sub {
- my $pkg = caller();
- our ( %INNER_BODY, %INNER_ARGS );
-
- if ( my $body = $INNER_BODY{$pkg} ) {
- my @args = @{ $INNER_ARGS{$pkg} };
- local $INNER_ARGS{$pkg};
- local $INNER_BODY{$pkg};
- return $body->(@args);
- } else {
- return;
- }
- });
- },
- augment => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::augment' => sub (@&) {
- my ( $name, $method ) = @_;
- $class->meta->add_augment_method_modifier( $name => $method );
- });
- },
- make_immutable => sub {
- my $class = $CALLER;
- return Class::MOP::subname('Moose::make_immutable' => sub {
- cluck "The make_immutable keyword has been deprecated, " .
- "please go back to __PACKAGE__->meta->make_immutable\n";
- $class->meta->make_immutable(@_);
- });
- },
- confess => sub {
- return \&Carp::confess;
- },
- blessed => sub {
- return \&Scalar::Util::blessed;
- },
- );
+sub extends {
+ my $class = shift;
- my $exporter = Sub::Exporter::build_exporter(
- {
- exports => \%exports,
- groups => { default => [':all'] }
- }
- );
+ croak "Must derive at least one class" unless @_;
- # 1 extra level because it's called by import so there's a layer of indirection
- sub _get_caller{
- my $offset = 1;
- return
- (ref $_[1] && defined $_[1]->{into})
- ? $_[1]->{into}
- : (ref $_[1] && defined $_[1]->{into_level})
- ? caller($offset + $_[1]->{into_level})
- : caller($offset);
+ my @supers = @_;
+ foreach my $super (@supers) {
+ Class::MOP::load_class($super);
+ croak "You cannot inherit from a Moose Role ($super)"
+ if $super->can('meta') &&
+ blessed $super->meta &&
+ $super->meta->isa('Moose::Meta::Role')
}
- sub import {
- $CALLER = _get_caller(@_);
- # this works because both pragmas set $^H (see perldoc perlvar)
- # which affects the current compilation - i.e. the file who use'd
- # us - which is why we don't need to do anything special to make
- # it affect that file rather than this one (which is already compiled)
- strict->import;
- warnings->import;
+ # this checks the metaclass to make sure
+ # it is correct, sometimes it can get out
+ # of sync when the classes are being built
+ my $meta = $class->meta->_fix_metaclass_incompatability(@supers);
+ $meta->superclasses(@supers);
+}
- # we should never export to main
- if ($CALLER eq 'main') {
- warn qq{Moose does not export its sugar to the 'main' package.\n};
- return;
- }
+sub with {
+ my $class = shift;
+ Moose::Util::apply_all_roles($class->meta, @_);
+}
- init_meta( $CALLER, 'Moose::Object' );
+sub has {
+ my $class = shift;
+ my $name = shift;
+ croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
+ my %options = @_;
+ my $attrs = ( ref($name) eq 'ARRAY' ) ? $name : [ ($name) ];
+ $class->meta->add_attribute( $_, %options ) for @$attrs;
+}
- goto $exporter;
- }
-
- # NOTE:
- # This is for special use by
- # some modules and stuff, I
- # dont know if it is sane enough
- # to document actually.
- # - SL
- sub __CURRY_EXPORTS_FOR_CLASS__ {
- $CALLER = shift;
- ($CALLER ne 'Moose')
- || croak "_import_into must be called a function, not a method";
- ($CALLER->can('meta') && $CALLER->meta->isa('Class::MOP::Class'))
- || croak "Cannot call _import_into on a package ($CALLER) without a metaclass";
- return map { $_ => $exports{$_}->() } (@_ ? @_ : keys %exports);
- }
+sub before {
+ my $class = shift;
+ Moose::Util::add_method_modifier($class, 'before', \@_);
+}
- sub unimport {
- my $class = _get_caller(@_);
+sub after {
+ my $class = shift;
+ Moose::Util::add_method_modifier($class, 'after', \@_);
+}
- _remove_keywords(
- source => __PACKAGE__,
- package => $class,
- keywords => [ keys %exports ],
- );
+sub around {
+ my $class = shift;
+ Moose::Util::add_method_modifier($class, 'around', \@_);
+}
+
+sub super {
+ return unless our $SUPER_BODY; $SUPER_BODY->(our @SUPER_ARGS);
+}
+
+sub override {
+ my $class = shift;
+ my ( $name, $method ) = @_;
+ $class->meta->add_override_method_modifier( $name => $method );
+}
+
+sub inner {
+ my $pkg = caller();
+ our ( %INNER_BODY, %INNER_ARGS );
+
+ if ( my $body = $INNER_BODY{$pkg} ) {
+ my @args = @{ $INNER_ARGS{$pkg} };
+ local $INNER_ARGS{$pkg};
+ local $INNER_BODY{$pkg};
+ return $body->(@args);
+ } else {
+ return;
}
+}
+sub augment {
+ my $class = shift;
+ my ( $name, $method ) = @_;
+ $class->meta->add_augment_method_modifier( $name => $method );
}
-sub _remove_keywords {
- my ( %args ) = @_;
+sub make_immutable {
+ my $class = shift;
+ cluck "The make_immutable keyword has been deprecated, " .
+ "please go back to __PACKAGE__->meta->make_immutable\n";
+ $class->meta->make_immutable(@_);
+}
- my $source = $args{source};
- my $package = $args{package};
+my $exporter = Moose::Exporter->build_exporter(
+ with_caller => [
+ qw( extends with has before after around override augment make_immutable )
+ ],
+ as_is => [
+ qw( super inner ),
+ \&Carp::confess,
+ \&Scalar::Util::blessed,
+ ],
+);
+
+sub import {
+ my $caller = Moose::Exporter->get_caller(@_);
+
+ # this works because both pragmas set $^H (see perldoc perlvar)
+ # which affects the current compilation - i.e. the file who use'd
+ # us - which is why we don't need to do anything special to make
+ # it affect that file rather than this one (which is already compiled)
+
+ strict->import;
+ warnings->import;
+
+ # we should never export to main
+ if ($caller eq 'main') {
+ warn qq{Moose does not export its sugar to the 'main' package.\n};
+ return;
+ }
- no strict 'refs';
+ init_meta($caller, 'Moose::Object');
- # loop through the keywords ...
- foreach my $name ( @{ $args{keywords} } ) {
+ goto $exporter;
+}
- # if we find one ...
- if ( defined &{ $package . '::' . $name } ) {
- my $keyword = \&{ $package . '::' . $name };
+# NOTE:
+# This is for special use by
+# some modules and stuff, I
+# dont know if it is sane enough
+# to document actually.
+# - SL
+sub __CURRY_EXPORTS_FOR_CLASS__ {
+ my $caller = shift;
+ ($caller ne 'Moose')
+ || croak "_import_into must be called a function, not a method";
+ ($caller->can('meta') && $caller->meta->isa('Class::MOP::Class'))
+ || croak "Cannot call _import_into on a package ($caller) without a metaclass";
+# return map { $_ => $exports{$_}->() } (@_ ? @_ : keys %exports);
+}
- # make sure it is from us
- my ($pkg_name) = Class::MOP::get_code_info($keyword);
- next if $pkg_name ne $source;
+sub unimport {
+ my $caller = Moose::Exporter->get_caller(@_);
- # and if it is from us, then undef the slot
- delete ${ $package . '::' }{$name};
- }
- }
+ Moose::Exporter->remove_keywords(
+ source => __PACKAGE__,
+ from => $caller,
+ );
}
sub init_meta {
use Moose::Util::TypeConstraints;
{
- my ( $CALLER, %METAS );
+ my %METAS;
- sub _find_meta {
- my $role = $CALLER;
+ sub init_meta {
+ my $role = shift;
return $METAS{$role} if exists $METAS{$role};
return $METAS{$role} = $meta;
}
+}
+sub extends {
+ croak "Roles do not currently support 'extends'";
+}
- my %exports = (
- extends => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::extends' => sub {
- croak "Roles do not currently support 'extends'"
- });
- },
- with => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::with' => sub (@) {
- Moose::Util::apply_all_roles($meta, @_)
- });
- },
- requires => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::requires' => sub (@) {
- croak "Must specify at least one method" unless @_;
- $meta->add_required_methods(@_);
- });
- },
- excludes => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::excludes' => sub (@) {
- croak "Must specify at least one role" unless @_;
- $meta->add_excluded_roles(@_);
- });
- },
- has => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::has' => sub ($;%) {
- my $name = shift;
- croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
- my %options = @_;
- my $attrs = ( ref($name) eq 'ARRAY' ) ? $name : [ ($name) ];
- $meta->add_attribute( $_, %options ) for @$attrs;
- });
- },
- before => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::before' => sub (@&) {
- my $code = pop @_;
- do {
- croak "Moose::Role do not currently support "
- . ref($_)
- . " references for before method modifiers"
- if ref $_;
- $meta->add_before_method_modifier($_, $code)
- } for @_;
- });
- },
- after => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::after' => sub (@&) {
- my $code = pop @_;
- do {
- croak "Moose::Role do not currently support "
- . ref($_)
- . " references for after method modifiers"
- if ref $_;
- $meta->add_after_method_modifier($_, $code)
- } for @_;
- });
- },
- around => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::around' => sub (@&) {
- my $code = pop @_;
- do {
- croak "Moose::Role do not currently support "
- . ref($_)
- . " references for around method modifiers"
- if ref $_;
- $meta->add_around_method_modifier($_, $code)
- } for @_;
- });
- },
- # see Moose.pm for discussion
- super => sub {
- return Class::MOP::subname('Moose::Role::super' => sub {
- return unless $Moose::SUPER_BODY; $Moose::SUPER_BODY->(@Moose::SUPER_ARGS)
- });
- },
- override => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::override' => sub ($&) {
- my ($name, $code) = @_;
- $meta->add_override_method_modifier($name, $code);
- });
- },
- inner => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::inner' => sub {
- croak "Moose::Role cannot support 'inner'";
- });
- },
- augment => sub {
- my $meta = _find_meta();
- return Class::MOP::subname('Moose::Role::augment' => sub {
- croak "Moose::Role cannot support 'augment'";
- });
- },
- confess => sub {
- return \&Carp::confess;
- },
- blessed => sub {
- return \&Scalar::Util::blessed;
- }
- );
+sub with {
+ Moose::Util::apply_all_roles( shift->meta(), @_ );
+}
- my $exporter = Sub::Exporter::build_exporter({
- exports => \%exports,
- groups => {
- default => [':all']
- }
- });
+sub requires {
+ my $meta = shift->meta();
+ croak "Must specify at least one method" unless @_;
+ $meta->add_required_methods(@_);
+}
- sub import {
- $CALLER =
- ref $_[1] && defined $_[1]->{into} ? $_[1]->{into}
- : ref $_[1]
- && defined $_[1]->{into_level} ? caller( $_[1]->{into_level} )
- : caller();
+sub excludes {
+ my $meta = shift->meta();
+ croak "Must specify at least one role" unless @_;
+ $meta->add_excluded_roles(@_);
+}
- # this works because both pragmas set $^H (see perldoc perlvar)
- # which affects the current compilation - i.e. the file who use'd
- # us - which is why we don't need to do anything special to make
- # it affect that file rather than this one (which is already compiled)
+sub has {
+ my $meta = shift->meta();
+ my $name = shift;
+ croak 'Usage: has \'name\' => ( key => value, ... )' if @_ == 1;
+ my %options = @_;
+ my $attrs = ( ref($name) eq 'ARRAY' ) ? $name : [ ($name) ];
+ $meta->add_attribute( $_, %options ) for @$attrs;
+}
- strict->import;
- warnings->import;
+sub before {
+ my $meta = shift->meta();
+ my $code = pop @_;
- # we should never export to main
- return if $CALLER eq 'main';
+ for (@_) {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for before method modifiers"
+ if ref $_;
+ $meta->add_before_method_modifier( $_, $code );
+ }
+}
+
+sub after {
+ my $meta = shift->meta();
+
+ my $code = pop @_;
+ for (@_) {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for after method modifiers"
+ if ref $_;
+ $meta->add_after_method_modifier( $_, $code );
+ }
+}
- goto $exporter;
- };
+sub around {
+ my $meta = shift->meta();
+ my $code = pop @_;
+ for (@_) {
+ croak "Moose::Role do not currently support "
+ . ref($_)
+ . " references for around method modifiers"
+ if ref $_;
+ $meta->add_around_method_modifier( $_, $code );
+ }
+}
- sub unimport {
- no strict 'refs';
- my $class = Moose::_get_caller(@_);
+# see Moose.pm for discussion
+sub super {
+ return unless $Moose::SUPER_BODY;
+ $Moose::SUPER_BODY->(@Moose::SUPER_ARGS);
+}
- # loop through the exports ...
- foreach my $name ( keys %exports ) {
+sub override {
+ my $meta = shift->meta();
+ my ( $name, $code ) = @_;
+ $meta->add_override_method_modifier( $name, $code );
+}
- # if we find one ...
- if ( defined &{ $class . '::' . $name } ) {
- my $keyword = \&{ $class . '::' . $name };
+sub inner {
+ croak "Moose::Role cannot support 'inner'";
+}
- # make sure it is from Moose::Role
- my ($pkg_name) = Class::MOP::get_code_info($keyword);
- next if $pkg_name ne 'Moose::Role';
+sub augment {
+ croak "Moose::Role cannot support 'augment'";
+}
- # and if it is from Moose::Role then undef the slot
- delete ${ $class . '::' }{$name};
- }
- }
+my $exporter = Moose::Exporter->build_exporter(
+ with_caller => [
+ qw( with requires excludes has before after around override make_immutable )
+ ],
+ as_is => [
+ qw( extends super inner augment ),
+ \&Carp::confess,
+ \&Scalar::Util::blessed,
+ ],
+);
+
+sub import {
+ my $caller = Moose::Exporter->get_caller(@_);
+
+ # this works because both pragmas set $^H (see perldoc perlvar)
+ # which affects the current compilation - i.e. the file who use'd
+ # us - which is why we don't need to do anything special to make
+ # it affect that file rather than this one (which is already compiled)
+
+ strict->import;
+ warnings->import;
+
+ # we should never export to main
+ if ($caller eq 'main') {
+ warn qq{Moose::Role does not export its sugar to the 'main' package.\n};
+ return;
}
+
+ init_meta($caller);
+
+ goto $exporter;
+}
+
+sub unimport {
+ my $caller = Moose::Exporter->get_caller(@_);
+
+ Moose::Exporter->remove_keywords(
+ source => __PACKAGE__,
+ from => $caller,
+ );
}
1;