X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FUtil.pm;h=3ffa37550e5b66e2183a239938973080b5b5e00b;hp=8d4eadb5cb761cff404b41f557ab2130320a705f;hb=5af36247683101e3c457450489486d41f0bd7101;hpb=db5e440949ed1cdf6c788ea7653a488bc8f1b92e diff --git a/lib/Mouse/Util.pm b/lib/Mouse/Util.pm index 8d4eadb..3ffa375 100644 --- a/lib/Mouse/Util.pm +++ b/lib/Mouse/Util.pm @@ -1,17 +1,48 @@ 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_04'; + our $VERSION = '0.49'; my $xs = !(exists $INC{'Mouse/PurePerl.pm'} || $ENV{MOUSE_PUREPERL}); if($xs){ - local $@; - # XXX: XSLoader tries to get the object path from caller's file name # $hack_mouse_file fools its mechanism @@ -19,7 +50,11 @@ BEGIN{ $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 $@; } @@ -27,61 +62,37 @@ BEGIN{ require 'Mouse/PurePerl.pm'; # we don't want to create its namespace } - *_MOUSE_XS = sub(){ $xs }; + *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'); + #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 @@ -101,46 +112,52 @@ sub does_role{ } 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 = $get_linear_isa; } @@ -183,7 +200,7 @@ sub is_valid_class_name { return 0 if ref($class); return 0 unless defined($class); - return 1 if $class =~ /^\w+(?:::\w+)*$/; + return 1 if $class =~ /\A \w+ (?: :: \w+ )* \z/xms; return 0; } @@ -248,9 +265,8 @@ sub load_class { 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 @@ -268,15 +284,15 @@ sub apply_all_roles { load_class($role_name); is_a_metarole( get_metaclass_by_name($role_name) ) - || $applicant->meta->throw_error("You can only consume roles, $role_name(".$role_name->meta.") is not a Mouse role"); + || $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; } @@ -294,6 +310,17 @@ sub english_list { 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 @@ -327,7 +354,6 @@ sub does :method; *does = \&does_role; # alias 1; - __END__ =head1 NAME @@ -336,7 +362,7 @@ Mouse::Util - Features, with or without their dependencies =head1 VERSION -This document describes Mouse version 0.40_04 +This document describes Mouse version 0.49 =head1 IMPLEMENTATIONS FOR @@ -382,10 +408,14 @@ C or using C. =head3 C -=head1 UTILITIES FOR MOUSE +=head1 Mouse specific utilities =head3 C +=head3 C + +=head3 C + =head1 SEE ALSO L