package Mouse::Exporter;
use strict;
use warnings;
-
-use Carp qw(confess);
+use Carp ();
my %SPEC;
-use constant _strict_bits => strict::bits(qw(subs refs vars));
+my $strict_bits;
+my $warnings_extra_bits;
+BEGIN{
+ $strict_bits = strict::bits(qw(subs refs vars));
+ $warnings_extra_bits = warnings::bits(FATAL => 'recursion');
+}
# it must be "require", because Mouse::Util depends on Mouse::Exporter,
# which depends on Mouse::Util::import()
require Mouse::Util;
sub import{
- $^H |= _strict_bits; # strict->import;
- ${^WARNING_BITS} |= $warnings::Bits{all}; # warnings->import;
+ # strict->import;
+ $^H |= $strict_bits;
+ # warnings->import('all', FATAL => 'recursion');
+ ${^WARNING_BITS} |= $warnings::Bits{all};
+ ${^WARNING_BITS} |= $warnings_extra_bits;
return;
}
my($import, $unimport) = $class->build_import_methods(%args);
- no strict 'refs';
-
- *{$exporting_package . '::import'} = $import;
- *{$exporting_package . '::unimport'} = $unimport;
-
- # for backward compatibility
- *{$exporting_package . '::export_to_level'} = sub{
- my($package, $level, undef, @args) = @_; # the third argument is redundant
- $package->import({ into_level => $level + 1 }, @args);
- };
- *{$exporting_package . '::export'} = sub{
- my($package, $into, @args) = @_;
- $package->import({ into => $into }, @args);
- };
+ Mouse::Util::install_subroutines($exporting_package,
+ import => $import,
+ unimport => $unimport,
+
+ export_to_level => sub {
+ my($package, $level, undef, @args) = @_; # the third argument is redundant
+ $package->import({ into_level => $level + 1 }, @args);
+ },
+ export => sub {
+ my($package, $into, @args) = @_;
+ $package->import({ into => $into }, @args);
+ },
+ );
return;
}
sub build_import_methods{
- my($class, %args) = @_;
+ my($self, %args) = @_;
my $exporting_package = $args{exporting_package} ||= caller();
@export_from = ($exporting_package);
}
- {
- my %exports;
- my @removables;
- my @all;
-
- my @init_meta_methods;
-
- foreach my $package(@export_from){
- my $spec = $SPEC{$package} or next;
-
- if(my $as_is = $spec->{as_is}){
- foreach my $thingy (@{$as_is}){
- my($code_package, $code_name, $code);
-
- if(ref($thingy)){
- $code = $thingy;
- ($code_package, $code_name) = Mouse::Util::get_code_info($code);
- }
- else{
- no strict 'refs';
- $code_package = $package;
- $code_name = $thingy;
- $code = \&{ $code_package . '::' . $code_name };
- }
-
- push @all, $code_name;
- $exports{$code_name} = $code;
- if($code_package eq $package){
- push @removables, $code_name;
- }
- }
- }
+ my %exports;
+ my @removables;
+ my @all;
+
+ my @init_meta_methods;
- if(my $init_meta = $package->can('init_meta')){
- if(!grep{ $_ == $init_meta } @init_meta_methods){
- push @init_meta_methods, $init_meta;
+ foreach my $package(@export_from){
+ my $spec = $SPEC{$package} or next;
+
+ if(my $as_is = $spec->{as_is}){
+ foreach my $thingy (@{$as_is}){
+ my($code_package, $code_name, $code);
+
+ if(ref($thingy)){
+ $code = $thingy;
+ ($code_package, $code_name) = Mouse::Util::get_code_info($code);
+ }
+ else{
+ $code_package = $package;
+ $code_name = $thingy;
+ no strict 'refs';
+ $code = \&{ $code_package . '::' . $code_name };
+ }
+
+ push @all, $code_name;
+ $exports{$code_name} = $code;
+ if($code_package eq $package){
+ push @removables, $code_name;
}
}
}
- $args{EXPORTS} = \%exports;
- $args{REMOVABLES} = \@removables;
- $args{groups}{all} ||= \@all;
-
- if(my $default_list = $args{groups}{default}){
- my %default;
- foreach my $keyword(@{$default_list}){
- $default{$keyword} = $exports{$keyword}
- || confess(qq{The $exporting_package package does not export "$keyword"});
+ if(my $init_meta = $package->can('init_meta')){
+ if(!grep{ $_ == $init_meta } @init_meta_methods){
+ push @init_meta_methods, $init_meta;
}
- $args{DEFAULT} = \%default;
- }
- else{
- $args{groups}{default} ||= \@all;
- $args{DEFAULT} = $args{EXPORTS};
}
+ }
+ $args{EXPORTS} = \%exports;
+ $args{REMOVABLES} = \@removables;
- if(@init_meta_methods){
- $args{INIT_META} = \@init_meta_methods;
+ $args{groups}{all} ||= \@all;
+
+ if(my $default_list = $args{groups}{default}){
+ my %default;
+ foreach my $keyword(@{$default_list}){
+ $default{$keyword} = $exports{$keyword}
+ || Carp::confess(qq{The $exporting_package package does not export "$keyword"});
}
+ $args{DEFAULT} = \%default;
+ }
+ else{
+ $args{groups}{default} ||= \@all;
+ $args{DEFAULT} = $args{EXPORTS};
+ }
+
+ if(@init_meta_methods){
+ $args{INIT_META} = \@init_meta_methods;
}
return (\&do_import, \&do_unimport);
}
-
# the entity of general import()
sub do_import {
my($package, @args) = @_;
my $spec = $SPEC{$package}
- || confess("The package $package package does not use Mouse::Exporter");
+ || Carp::confess("The package $package package does not use Mouse::Exporter");
my $into = _get_caller_package(ref($args[0]) ? shift @args : undef);
}
elsif($arg =~ s/^://){
my $group = $spec->{groups}{$arg}
- || confess(qq{The $package package does not export the group "$arg"});
+ || Carp::confess(qq{The $package package does not export the group "$arg"});
push @exports, @{$group};
}
else{
}
}
- $^H |= _strict_bits; # strict->import;
- ${^WARNING_BITS} |= $warnings::Bits{all}; # warnings->import;
+ # strict->import;
+ $^H |= $strict_bits;
+ # warnings->import('all', FATAL => 'recursion');
+ ${^WARNING_BITS} |= $warnings::Bits{all};
+ ${^WARNING_BITS} |= $warnings_extra_bits;
if($spec->{INIT_META}){
my $meta;
if(@traits){
my $type = (split /::/, ref $meta)[-1]; # e.g. "Class" for "My::Meta::Class"
- @traits =
- map{
- ref($_) ? $_
- : Mouse::Util::resolve_metaclass_alias($type => $_, trait => 1)
- } @traits;
+ @traits = map{
+ ref($_)
+ ? $_
+ : Mouse::Util::resolve_metaclass_alias($type => $_, trait => 1)
+ } @traits;
require Mouse::Util::MetaRole;
- Mouse::Util::MetaRole::apply_metaclass_roles(
- for_class => $into,
- metaclass_roles => \@traits,
+ Mouse::Util::MetaRole::apply_metaroles(
+ for => $into,
+ Mouse::Util::is_a_metarole($into->meta)
+ ? (role_metaroles => { role => \@traits })
+ : (class_metaroles => { class => \@traits }),
);
}
}
}
if(@exports){
+ my @export_table;
foreach my $keyword(@exports){
- no strict 'refs';
- *{$into.'::'.$keyword} = $spec->{EXPORTS}{$keyword}
- || confess(qq{The $package package does not export "$keyword"});
+ push @export_table,
+ $keyword => ($spec->{EXPORTS}{$keyword}
+ || Carp::confess(qq{The $package package does not export "$keyword"})
+ );
}
+ Mouse::Util::install_subroutines($into, @export_table);
}
else{
- my $default = $spec->{DEFAULT};
- while(my($keyword, $code) = each %{$default}){
- no strict 'refs';
- *{$into.'::'.$keyword} = $code;
- }
+ Mouse::Util::install_subroutines($into, %{$spec->{DEFAULT}});
}
return;
}
my($package, $arg) = @_;
my $spec = $SPEC{$package}
- || confess("The package $package does not use Mouse::Exporter");
+ || Carp::confess("The package $package does not use Mouse::Exporter");
my $from = _get_caller_package($arg);
for my $keyword (@{ $spec->{REMOVABLES} }) {
next if !exists $stash->{$keyword};
my $gv = \$stash->{$keyword};
- if(ref($gv) eq 'GLOB' && *{$gv}{CODE} == $spec->{EXPORTS}{$keyword}){ # make sure it is from us
+
+ # remove what is from us
+ if(ref($gv) eq 'GLOB' && *{$gv}{CODE} == $spec->{EXPORTS}{$keyword}){
delete $stash->{$keyword};
}
}
}
}
-#sub _spec{ %SPEC }
-
1;
__END__
=head1 VERSION
-This document describes Mouse version 0.48
+This document describes Mouse version 0.95
=head1 SYNOPSIS
use Mouse::Exporter;
Mouse::Exporter->setup_import_methods(
- as_is => [ 'has_rw', 'other_sugar', \&Some::Random::thing ],
- also => 'Mouse',
+ as_is => [ 'has_rw', 'other_sugar', \&Some::Random::thing ],
+ also => 'Mouse',
);
sub has_rw {
projects / gitmo/Mouse.git / blobdiff