This seems to do the automatic wrapping properly. It just needs some clean-up and modulification, and it should be ready to ruin the day of anyone foolish enough to use it.

use strict;

# Symbol table experiments.

use Data::Dumper;

#use Win32::SerialPort;

# All entries in symbol table are uniquely identified by a typeglob.
#print join "\n",
#    $::{'main::'},
#    $main::{'main::'},
#    $main::main::{'main::'},
#   $main::main::main::{'main::'},
#   ;

my %OMIT;
BEGIN {
    my @OMIT = qw( *main::UNIVERSAL:: );
    @OMIT{@OMIT} = ();
}



wrap_destroy($_) foreach find_namespaces( 'main::' );


eval {
    my $f = Foo->new();

    die 'adsfasdf';
};

eval {
    my $f = Foo::Foo->new();

    die 'adsfasdf';
};

eval {
    my $f = Foo::Foo::Foo->new();

    die 'adsfasdf';
};

eval {
    my $f = Foo::Foo::Bar->new();

    die 'adsfasdf';
};






sub find_namespaces {

    my $seen = 
        ref($_[0]) eq 'HASH'
        ? shift 
        : {} 
        ;

    my @names = @_;

    my @results;

    foreach my $name ( @names ) {
        no strict 'refs';
        foreach my $entry ( keys %{$name} ) {
            next unless $entry =~ /::$/;
            my $typeglob = ${$name}{$entry};

            next if $$seen{$typeglob}++;

            find_namespaces( $seen, $typeglob ); 
        }
    }

    return keys %$seen ;
}

sub has_destroy {
    my $namespace = shift;
    no strict 'refs';
    if ( exists ${$namespace}{DESTROY} ) {
        print "\t$namespace has DESTROY\n";
    }
}

sub inherits_destroy {
    my $namespace = shift;
    $namespace =~ s/^\*(main::)?//;
    $namespace =~ s/::$//;
    return UNIVERSAL::can( $namespace, 'DESTROY' );
}


sub wrap_destroy {
    my $namespace = shift;
        
    no warnings; 
    no strict 'refs';
    my $eater = $namespace . "DESTROY";

    return if exists $OMIT{$namespace};

    my $sub;
    if( has_destroy( $namespace ) ) {

        my $orig = \&{ ${$namespace}{DESTROY} };

        $sub = sub {
            print "$eater Ate $namespace\n"; 

            my @caller = caller(1);
            my @this   = caller(1);

            $orig->(@_); eval{};

        };
    }
    elsif ( inherits_destroy( $namespace ) ) {
            print "$namespace inherits DESTROY\n";;
    }
    else {
        print "$namespace has no DESTROY\n";;

        $sub = sub {
            print "$eater Swallowed $namespace\n"; 
            eval{};
        }
    }

    *{ "$eater" }= $sub;

}



package Foo;
sub new { bless {}, __PACKAGE__; }
sub DESTROY { 1; }

package Foo::Bar;
sub new { bless {}, __PACKAGE__; }
sub DESTROY { 1; }

package Foo::Foo;
sub new { bless {}, __PACKAGE__; }
sub DESTROY { 1; }

package Foo::Foo::Foo;
sub new { bless {}, __PACKAGE__; }
use base 'Foo::Foo';

package Foo::Foo::Bar;
sub new { bless {}, __PACKAGE__; }
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