my $grammar = <<'_EOGRAMMAR_';
   {
      # These apply to code in those block and all actions.
      use strict;
      use warnings;

      my %escapes = (
         n => "\n",
      );

      sub dequote_double {
         for (my $s = @_ ? $_[0] : $_) {
            s/^"//g;
            s/"$//g;
            s/\\(.)/$escapes{$1} || $1/eg;
            return $_;
         }
      }
   }

   parse    : portDef(s?) /\Z/
              { $item[1] }

   portDef  : "dbSetCellPortTypes" QSTRING QSTRING portList BOOL
              { [ @item[1..5] ] }

   portList : "'" "(" record(s?) ")"
              { $item[3] }

   record   : "(" QSTRING(s?) ")"
              { $item[2] }

   QSTRING  : /"(?:[^"\\]|\\.)*"/
              { dequote_double($item[1]) }

   BOOL     : /#[tf]\b/

_EOGRAMMAR_