my $init = eval <<EOI;
sub {
  $INIT_CODE;

  my \$sub = eval q(sub { $AWAKEN_CODE });
  die "bad onAwaken: \$@" if \$@;
  \$sub;
}
EOI
die "bad onInit: $@" if $@;
my $awaken = $init->();

...

# and later onAwaken...
$awaken->();