package Moo::_Utils;
+sub _getglob { \*{$_[0]} }
+sub _getstash { \%{"$_[0]::"} }
+
+BEGIN {
+ *lt_5_8_3 = $] < 5.008003
+ ? sub () { 1 }
+ : sub () { 0 }
+ ;
+}
+
use strictures 1;
use base qw(Exporter);
+use Moo::_mro;
-our @EXPORT = qw(_getglob _install_modifier _maybe_load_module);
-
-sub _getglob { no strict 'refs'; \*{$_[0]} }
+our @EXPORT = qw(
+ _getglob _install_modifier _load_module _maybe_load_module
+ _get_linear_isa
+);
sub _install_modifier {
- require Class::Method::Modifiers;
my ($into, $type, $name, $code) = @_;
- my $ref = ref(my $to_modify = $into->can($name));
-
- # if it isn't CODE, then either we're about to die, or it's a blessed
- # coderef - if it's a blessed coderef it might be deferred, and the
- # user's already doing something clever so a minor speed hit is meh.
- if ($ref && $ref ne 'CODE') {
- require Sub::Defer; Sub::Defer::undefer_sub($to_modify);
+ if (my $to_modify = $into->can($name)) { # CMM will throw for us if not
+ { local $@; require Sub::Defer; }
+ Sub::Defer::undefer_sub($to_modify);
}
+
Class::Method::Modifiers::install_modifier(@_);
}
our %MAYBE_LOADED;
+# _load_module is inlined in Role::Tiny - make sure to copy if you update it.
+
+sub _load_module {
+ (my $proto = $_[0]) =~ s/::/\//g;
+ return 1 if $INC{"${proto}.pm"};
+ # can't just ->can('can') because a sub-package Foo::Bar::Baz
+ # creates a 'Baz::' key in Foo::Bar's symbol table
+ return 1 if grep !/::$/, keys %{_getstash($_[0])||{}};
+ { require "${proto}.pm"; }
+ return 1;
+}
+
sub _maybe_load_module {
return $MAYBE_LOADED{$_[0]} if exists $MAYBE_LOADED{$_[0]};
(my $proto = $_[0]) =~ s/::/\//g;
+ local $@;
if (eval { require "${proto}.pm"; 1 }) {
$MAYBE_LOADED{$_[0]} = 1;
} else {
return $MAYBE_LOADED{$_[0]};
}
+sub _get_linear_isa {
+ return mro::get_linear_isa($_[0]);
+}
+
+our $_in_global_destruction = 0;
+END { $_in_global_destruction = 1 }
+
+sub STANDARD_DESTROY {
+ my $self = shift;
+
+ my $e = do {
+ local $?;
+ local $@;
+ eval {
+ $self->DEMOLISHALL($_in_global_destruction);
+ };
+ $@;
+ };
+
+ no warnings 'misc';
+ die $e if $e; # rethrow
+}
+
1;