package Mouse::Util;
use Mouse::Exporter; # enables strict and warnings
+sub get_linear_isa($;$); # must be here
+
BEGIN{
+ # This is used in Mouse::PurePerl
+ Mouse::Exporter->setup_import_methods(
+ as_is => [qw(
+ find_meta
+ does_role
+ resolve_metaclass_alias
+ apply_all_roles
+ english_list
+
+ load_class
+ is_class_loaded
+
+ get_linear_isa
+ get_code_info
+
+ get_code_package
+ get_code_ref
+
+ not_supported
+
+ does meta dump
+ )],
+ groups => {
+ default => [], # export no functions by default
+
+ # The ':meta' group is 'use metaclass' for Mouse
+ meta => [qw(does meta dump)],
+ },
+ );
+
+
# Because Mouse::Util is loaded first in all the Mouse sub-modules,
# XS loader is placed here, not in Mouse.pm.
- our $VERSION = '0.40_03';
+ our $VERSION = '0.49';
- my $need_pp = !!$ENV{MOUSE_PUREPERL};
-
- if(!$need_pp && !exists $INC{'Mouse/PurePerl.pm'}){
- local $@;
+ my $xs = !(exists $INC{'Mouse/PurePerl.pm'} || $ENV{MOUSE_PUREPERL});
+ if($xs){
# XXX: XSLoader tries to get the object path from caller's file name
# $hack_mouse_file fools its mechanism
(my $hack_mouse_file = __FILE__) =~ s/.Util//; # .../Mouse/Util.pm -> .../Mouse.pm
- $need_pp = !eval sprintf("#line %d %s\n", __LINE__, $hack_mouse_file) . q{
+ $xs = eval sprintf("#line %d %s\n", __LINE__, $hack_mouse_file) . q{
require XSLoader;
XSLoader::load('Mouse', $VERSION);
- };
+ Mouse::Util->import({ into => 'Mouse::Meta::Method::Constructor::XS' }, ':meta');
+ Mouse::Util->import({ into => 'Mouse::Meta::Method::Destructor::XS' }, ':meta');
+ Mouse::Util->import({ into => 'Mouse::Meta::Method::Accessor::XS' }, ':meta');
+ return 1;
+ } || 0;
#warn $@ if $@;
}
- if($need_pp){
+ if(!$xs){
require 'Mouse/PurePerl.pm'; # we don't want to create its namespace
}
-}
+ *MOUSE_XS = sub(){ $xs };
+}
use Carp ();
use Scalar::Util ();
use constant _MOUSE_VERBOSE => !!$ENV{MOUSE_VERBOSE};
-Mouse::Exporter->setup_import_methods(
- as_is => [qw(
- find_meta
- does_role
- resolve_metaclass_alias
- apply_all_roles
- english_list
-
- load_class
- is_class_loaded
-
- get_linear_isa
- get_code_info
-
- get_code_package
- get_code_ref
-
- not_supported
-
- does meta dump
- _MOUSE_VERBOSE
- )],
- groups => {
- default => [], # export no functions by default
-
- # The ':meta' group is 'use metaclass' for Mouse
- meta => [qw(does meta dump _MOUSE_VERBOSE)],
- },
-);
-
# aliases as public APIs
# it must be 'require', not 'use', because Mouse::Meta::Module depends on Mouse::Util
require Mouse::Meta::Module; # for the entities of metaclass cache utilities
BEGIN {
- *class_of = \&Mouse::Meta::Module::class_of;
- *get_metaclass_by_name = \&Mouse::Meta::Module::get_metaclass_by_name;
- *get_all_metaclass_instances = \&Mouse::Meta::Module::get_all_metaclass_instances;
- *get_all_metaclass_names = \&Mouse::Meta::Module::get_all_metaclass_names;
+ *class_of = \&Mouse::Meta::Module::_class_of;
+ *get_metaclass_by_name = \&Mouse::Meta::Module::_get_metaclass_by_name;
+ *get_all_metaclass_instances = \&Mouse::Meta::Module::_get_all_metaclass_instances;
+ *get_all_metaclass_names = \&Mouse::Meta::Module::_get_all_metaclass_names;
+
+ # is-a predicates
+ #generate_isa_predicate_for('Mouse::Meta::TypeConstraint' => 'is_a_type_constraint');
+ #generate_isa_predicate_for('Mouse::Meta::Class' => 'is_a_metaclass');
+ #generate_isa_predicate_for('Mouse::Meta::Role' => 'is_a_metarole');
+
+ # duck type predicates
+ generate_can_predicate_for(['_compiled_type_constraint'] => 'is_a_type_constraint');
+ generate_can_predicate_for(['create_anon_class'] => 'is_a_metaclass');
+ generate_can_predicate_for(['create_anon_role'] => 'is_a_metarole');
}
+our $in_global_destruction = 0;
+END{ $in_global_destruction = 1 }
+
# Moose::Util compatible utilities
sub find_meta{
}
BEGIN {
- my $impl;
+ my $get_linear_isa;
if ($] >= 5.009_005) {
require mro;
- $impl = \&mro::get_linear_isa;
+ $get_linear_isa = \&mro::get_linear_isa;
} else {
- my $e = do {
- local $@;
- eval { require MRO::Compat };
- $@;
- };
- if (!$e) {
- $impl = \&mro::get_linear_isa;
- } else {
# VVVVV CODE TAKEN FROM MRO::COMPAT VVVVV
- my $_get_linear_isa_dfs; # this recurses so it isn't pretty
- $_get_linear_isa_dfs = sub {
- no strict 'refs';
-
- my $classname = shift;
-
- my @lin = ($classname);
- my %stored;
- foreach my $parent (@{"$classname\::ISA"}) {
- my $plin = $_get_linear_isa_dfs->($parent);
- foreach my $p(@$plin) {
- next if exists $stored{$p};
- push(@lin, $p);
- $stored{$p} = 1;
- }
+ my $_get_linear_isa_dfs; # this recurses so it isn't pretty
+ $_get_linear_isa_dfs = sub {
+ my($classname) = @_;
+
+ my @lin = ($classname);
+ my %stored;
+
+ no strict 'refs';
+ foreach my $parent (@{"$classname\::ISA"}) {
+ my $plin = $_get_linear_isa_dfs->($parent);
+ foreach my $p(@$plin) {
+ next if exists $stored{$p};
+ push(@lin, $p);
+ $stored{$p} = 1;
}
- return \@lin;
- };
+ }
+ return \@lin;
+ };
# ^^^^^ CODE TAKEN FROM MRO::COMPAT ^^^^^
- $impl = $_get_linear_isa_dfs;
- }
- }
+ eval{ require Class::C3 };
+
+ # MRO::Compat::__get_linear_isa has no prototype, so
+ # we define a prototyped version for compatibility with core's
+ # See also MRO::Compat::__get_linear_isa.
+ $get_linear_isa = sub ($;$){
+ my($classname, $type) = @_;
+ package # hide from PAUSE
+ Class::C3;
+ if(!defined $type){
+ our %MRO;
+ $type = exists $MRO{$classname} ? 'c3' : 'dfs';
+ }
+ return $type eq 'c3'
+ ? [calculateMRO($classname)]
+ : $_get_linear_isa_dfs->($classname);
+ };
+ }
- no warnings 'once';
- *get_linear_isa = $impl;
+ *get_linear_isa = $get_linear_isa;
}
return 0 if ref($class);
return 0 unless defined($class);
- return 1 if $class =~ /^\w+(?:::\w+)*$/;
+ return 1 if $class =~ /\A \w+ (?: :: \w+ )* \z/xms;
return 0;
}
sub is_class_loaded;
-
sub apply_all_roles {
- my $applicant = Scalar::Util::blessed($_[0])
+ my $consumer = Scalar::Util::blessed($_[0])
? shift # instance
: Mouse::Meta::Class->initialize(shift); # class or role name
my $role_name = $roles[-1][0];
load_class($role_name);
- Mouse::Util::TypeConstraints::_is_a_metarole( get_metaclass_by_name($role_name) )
- || $applicant->meta->throw_error("You can only consume roles, $role_name(".$role_name->meta.") is not a Mouse role");
+ is_a_metarole( get_metaclass_by_name($role_name) )
+ || $consumer->meta->throw_error("You can only consume roles, $role_name is not a Mouse role");
}
if ( scalar @roles == 1 ) {
my ( $role_name, $params ) = @{ $roles[0] };
- get_metaclass_by_name($role_name)->apply( $applicant, defined $params ? $params : () );
+ get_metaclass_by_name($role_name)->apply( $consumer, defined $params ? $params : () );
}
else {
- Mouse::Meta::Role->combine(@roles)->apply($applicant);
+ Mouse::Meta::Role->combine(@roles)->apply($consumer);
}
return;
}
return join q{, }, @items, "and $tail";
}
+sub quoted_english_list {
+ return qq{'$_[0]'} if @_ == 1;
+
+ my @items = sort @_;
+
+ return qq{'$items[0]' and '$items[1]'} if @items == 2;
+
+ my $tail = pop @items;
+
+ return join q{, }, (map{ qq{'$_'} } @items), qq{and '$tail'};
+}
# common utilities
require 'Data/Dumper.pm'; # we don't want to create its namespace
my $dd = Data::Dumper->new([$self]);
- $dd->Maxdepth(defined($maxdepth) ? $maxdepth : 2);
+ $dd->Maxdepth(defined($maxdepth) ? $maxdepth : 3);
$dd->Indent(1);
return $dd->Dump();
}
# general does() method
-sub does :method;
-*does = \&does_role; # alias
+sub does :method {
+ goto &does_role;
+}
1;
-
__END__
=head1 NAME
=head1 VERSION
-This document describes Mouse version 0.40_03
+This document describes Mouse version 0.49
=head1 IMPLEMENTATIONS FOR
=head3 C<get_code_info>
-=head1 UTILITIES FOR MOUSE
+=head1 Mouse specific utilities
=head3 C<not_supported>
+=head3 C<get_code_package>
+
+=head3 C<get_code_ref>
+
=head1 SEE ALSO
L<Moose::Util>
projects / gitmo/Mouse.git / blobdiff