#! /usr/local/bin/perl -sw

BEGIN {
        close STDERR and open STDERR, '>./STDERR' or die $!;
}
use Parse::RecDescent;

#============================================
# GRAMMAR DEFINITION HERE
#============================================
$grammar =
q{
    Para:       List(s) /\Z/
                | { use Data::Dumper 'Dumper';
                    print "$_->[0]\n" for @{$thisparser->{errors}};
                    exit;
                    }
    List:       #<skip: here???>
                Order Name Score Prize
                | <error: error 0!>
    
    Order:       /\d+/ {print "@item\n";}
                | <error: error 1!>
                
    Name:       /\w+/ {print "@item\n";}
                | <error: Expecting a name!>
                
    Score:       /\d+/ {print "@item\n";}
                | <error: error 2!>
                
    Prize:      <skip: /\/\/.*\n/>
                /[^\n]+/ {print "@item\n";}
                      
};

#============================================
# MAIN PROGRAM STARTS HERE
#============================================

$parse = new Parse::RecDescent ($grammar);

my $text = do { local $/; <DATA> };
$parse->Para($text);


__DATA__
1   Pig  100 red flower     // 1 can this be removed? 
2   Han  80  bread          /* 2 I want this removed! */
3   Hen  50  ass kicked     /* 3 this comment should be 
                                handled too */
3   Fdi  99  rose           /* 4 failed msg if unbalanced comment here