X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FUtil.pm;h=393bccf9940732a68df841d3c9234356f263be2b;hb=823419c540f9e77090f31f11e04b14477c0372c4;hp=7c1e274e46a075c088171e3689368a0694301a45;hpb=123fd4f8368c8a468d735c9ee43ee871e22dc301;p=gitmo%2FMouse.git diff --git a/lib/Mouse/Util.pm b/lib/Mouse/Util.pm index 7c1e274..393bccf 100644 --- a/lib/Mouse/Util.pm +++ b/lib/Mouse/Util.pm @@ -38,31 +38,28 @@ BEGIN{ not_supported - does meta dump + does meta throw_error dump )], groups => { default => [], # export no functions by default # The ':meta' group is 'use metaclass' for Mouse - meta => [qw(does meta dump)], + meta => [qw(does meta dump throw_error)], }, ); + our $VERSION = '0.70'; - # Because Mouse::Util is loaded first in all the Mouse sub-modules, - # XS loader is placed here, not in Mouse.pm. - - our $VERSION = '0.50_09'; - - my $xs = !(exists $INC{'Mouse/PurePerl.pm'} || $ENV{MOUSE_PUREPERL}); + my $xs = !(defined(&is_valid_class_name) || $ENV{MOUSE_PUREPERL} || $ENV{PERL_ONLY}); + # Because Mouse::Util is loaded first in all the Mouse sub-modules, + # XSLoader must be placed here, not in Mouse.pm. if($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 $xs = eval sprintf("#line %d %s\n", __LINE__, $hack_mouse_file) . q{ - local $^W = 0; # work around 'redefine' warning to &install_subroutines + local $^W = 0; # workaround 'redefine' warning to &install_subroutines require XSLoader; XSLoader::load('Mouse', $VERSION); Mouse::Util->import({ into => 'Mouse::Meta::Method::Constructor::XS' }, ':meta'); @@ -70,7 +67,7 @@ BEGIN{ Mouse::Util->import({ into => 'Mouse::Meta::Method::Accessor::XS' }, ':meta'); return 1; } || 0; - #warn $@ if $@; + warn $@ if $@ && $ENV{MOUSE_XS}; } if(!$xs){ @@ -156,7 +153,7 @@ BEGIN { { package # hide from PAUSE Class::C3; - our %MRO; # work around 'once' warnings + our %MRO; # avoid 'once' warnings } # MRO::Compat::__get_linear_isa has no prototype, so @@ -244,7 +241,6 @@ sub load_first_existing_class { } # taken from Class/MOP.pm -my %is_class_loaded_cache; sub _try_load_one_class { my $class = shift; @@ -253,7 +249,7 @@ sub _try_load_one_class { Carp::confess "Invalid class name ($display)"; } - return undef if $is_class_loaded_cache{$class} ||= is_class_loaded($class); + return '' if is_class_loaded($class); $class =~ s{::}{/}g; $class .= '.pm'; @@ -341,6 +337,22 @@ sub meta :method{ return Mouse::Meta::Class->initialize(ref($_[0]) || $_[0]); } +# general throw_error() method +# $o->throw_error($msg, depth => $leve, longmess => $croak_or_confess) +sub throw_error :method { + my($self, $message, %args) = @_; + + local $Carp::CarpLevel = $Carp::CarpLevel + 1 + ($args{depth} || 0); + local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though + + if(exists $args{longmess} && !$args{longmess}) { + Carp::croak($message); + } + else{ + Carp::confess($message); + } +} + # general dump() method sub dump :method { my($self, $maxdepth) = @_; @@ -349,6 +361,8 @@ sub dump :method { my $dd = Data::Dumper->new([$self]); $dd->Maxdepth(defined($maxdepth) ? $maxdepth : 3); $dd->Indent(1); + $dd->Sortkeys(1); + $dd->Quotekeys(0); return $dd->Dump(); } @@ -362,47 +376,63 @@ __END__ =head1 NAME -Mouse::Util - Features, with or without their dependencies +Mouse::Util - Utilities for working with Mouse classes =head1 VERSION -This document describes Mouse version 0.50_09 +This document describes Mouse version 0.70 + +=head1 SYNOPSIS + + use Mouse::Util; # turns on strict and warnings + +=head1 DESCRIPTION + +This module provides a set of utility functions. Many of these +functions are intended for use in Mouse itself or MouseX modules, but +some of them may be useful for use in your own code. =head1 IMPLEMENTATIONS FOR -=head2 Moose::Util +=head2 Moose::Util functions + +The following functions are exportable. + +=head3 C + +The same as C. -=head3 C +=head3 C -=head3 C +=head3 C -=head3 C +=head3 C -=head3 C +=head3 C -=head3 C +=head2 Class::MOP functions -=head2 Class::MOP +The following functions are not exportable. -=head3 C<< is_class_loaded(ClassName) -> Bool >> +=head3 C<< Mouse::Util::is_class_loaded($classname) -> Bool >> -Returns whether C is actually loaded or not. It uses a heuristic which -involves checking for the existence of C<$VERSION>, C<@ISA>, and any -locally-defined method. +Returns whether I<$classname> is actually loaded or not. +It uses a heuristic which involves checking for the existence of +C<$VERSION>, C<@ISA>, and any locally-defined method. -=head3 C<< load_class(ClassName) >> +=head3 C<< Mouse::Util::load_class($classname) -> ClassName >> -This will load a given C (or die if it is not loadable). +This will load a given I<$classname> (or die if it is not loadable). This function can be used in place of tricks like -C or using C. +C or using C. -=head3 C<< Mouse::Util::class_of(ClassName or Object) >> +=head3 C<< Mouse::Util::class_of($classname_or_object) -> MetaClass >> -=head3 C<< Mouse::Util::get_metaclass_by_name(ClassName) >> +=head3 C<< Mouse::Util::get_metaclass_by_name($classname) -> MetaClass >> -=head3 C<< Mouse::Util::get_all_metaclass_instances() >> +=head3 C<< Mouse::Util::get_all_metaclass_instances() -> (MetaClasses) >> -=head3 C<< Mouse::Util::get_all_metaclass_names() >> +=head3 C<< Mouse::Util::get_all_metaclass_names() -> (ClassNames) >> =head2 MRO::Compat