Hi, Guys, I am new to PRD. I knew there are many topics on skipping C comments in parser, but I failed to make it work in my perl script. Can anybody show me an example or just fix my script blow. 
#! /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

[download]

BTW: my script works well if there is no comment in <data>.

In reply to PRD parser problem: How to skip C comments when parsing by Hanken

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.