#!/usr/bin/perl

use strict;
use warnings;

sub header {
  my $file = shift;
  open my $input, "<", $file or die "Couldn't open '$file':$!";
  my @file = <$input>;
  close $file;
  return qq{"#line 1 \\"$file\\"\\n"\n}, toc(@file);
}

sub toc {
  my @lines = @_;
  for( @lines ) {
    if( /^\s*$/s ) { $_ = qq{"\\n"\n}; next; }
    if( /^\s*#/ ) { $_ = qq{"\\n"\n}; next; }
    s/\\/\\\\/g; # double the number of \'s
    s/"/\\"/g;
    s/^\s*/"/;
    s/\n/\\n"\n/;
  }
  return @lines;
}

for my $files ( [ "Xchat.pm", "xchat.pm.h" ], [ "IRC.pm", "irc.pm.h" ] ) {
	my ($input, $output) = @$files;

	open my $header, ">", $output or die "Couldn't open '$output': $!";

	print $header qq{#line 1 "$input"\n};
	print $header header( $input );

	close $header;
}