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# You may distribute under the terms of either the GNU General Public License
# or the Artistic License (the same terms as Perl itself)
#
# (C) Paul Evans, 2017 -- leonerd@leonerd.org.uk
package Devel::MAT::Tool::Roots 0.53;
use v5.14;
use warnings;
use base qw( Devel::MAT::Tool );
use List::Util qw( pairs );
use constant CMD => "roots";
use constant CMD_DESC => "Display a list of the root SVs";
=head1 NAME
C<Devel::MAT::Tool::Roots> - display a list of the root SVs
=head1 DESCRIPTION
This C<Devel::MAT> tool displays a list of all the root SVs.
=cut
=head1 COMMANDS
=head2 roots
pmat> roots
the *@ GV : GLOB($*) at 0x1381ed0/errgv
the ARGV GV : GLOB(@*I) at 0x139f618/argvgv
...
Prints a list of every root SV in the heap.
=cut
sub run
{
my $self = shift;
my $df = $self->df;
Devel::MAT::Cmd->print_table(
[ map {
my ( $name, $description ) = @$_;
my $addr = $df->root_at( $name );
my $sv = $df->sv_at( $addr );
$sv ? [ "$description", Devel::MAT::Cmd->format_sv( $sv ) ] :
$addr ? [ "$description", Devel::MAT::Cmd->format_value( $addr, addr => 1 ) ] :
()
} pairs $df->root_descriptions ],
sep => ": ",
);
}
=head1 AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
=cut
0x55AA;
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