use B;

collectCode(\%CODE);                   # collect all subroutines
collectCode(\%CODE,\%Term::,"Term::"); # collect from package Term

sub collectCode
{
  my ($CODE,$pkg,$prefix) = @_;
  $pkg = \%:: unless defined($pkg);
  $prefix = "" unless defined($prefix);

  foreach my $key (keys %$pkg)
  {
    if ($key =~ m/^\w+::$/)
    {
      collectCode($CODE,$pkg->{$key},"$prefix$key")
        unless $prefix eq "" && $key eq "main::";
    } else {
      my $cv;
      if (ref($pkg->{$key}) eq "CODE")
      {
        $cv = B::svref_2object($pkg->{$key});
      } elsif (reftype(\$pkg->{$key}) eq "GLOB"
            && defined(*{$pkg->{$key}}{CODE})) {
        $cv = B::svref_2object(*{$pkg->{$key}}{CODE});
      }
      $CODE->{"$prefix$key"} = { file => $cv->START->file,
                                 line => $cv->START->line }
        if defined($cv) && ref($cv->START) ne "B::NULL";
    }
  }
}
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