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# Implementation of a pure-perl on_scope_end for perl 5.8.X
# (relies on lack of compile/runtime duality of %^H before 5.10
# which makes guard object operation possible)
package # hide from the pauses
B::Hooks::EndOfScope::PP::HintHash;
use strict;
use warnings;
our $VERSION = '0.21';
use Scalar::Util ();
# This is the original implementation, which sadly is broken
# on perl 5.10+ within string evals
sub on_scope_end (&) {
$^H |= 0x020000;
# localised %^H behaves funny on 5.8 - a
# 'local %^H;'
# is in effect the same as
# 'local %^H = %^H;'
# therefore make sure we use different keys so that things do not
# fire too early due to hashkey overwrite
push @{
$^H{sprintf '__B_H_EOS__guardstack_0X%x', Scalar::Util::refaddr(\%^H) }
||= bless ([], 'B::Hooks::EndOfScope::PP::_SG_STACK')
}, shift;
}
package # hide from the pauses
B::Hooks::EndOfScope::PP::_SG_STACK;
use warnings;
use strict;
sub DESTROY {
B::Hooks::EndOfScope::PP::__invoke_callback($_) for @{$_[0]};
}
1;