Mac Easy 2010 May/Mac Life Ubuntu.iso/casper/filesystem.squashfs/usr/src/linux-headers-2.6.28-15/drivers/md/unroll.pl

Perl Script | 2008-12-24 | 492 b | 25 lines

#!/usr/bin/perl
#
# Take a piece of C code and for each line which contains the sequence $$
# repeat n times with $ replaced by 0...n-1; the sequence $# is replaced
# by the unrolling factor, and $* with a single $
#

($n) = @ARGV;
$n += 0;

while ( defined($line = <STDIN>) ) {
    if ( $line =~ /\$\$/ ) {
    $rep = $n;
    } else {
    $rep = 1;
    }
    for ( $i = 0 ; $i < $rep ; $i++ ) {
    $tmp = $line;
    $tmp =~ s/\$\$/$i/g;
    $tmp =~ s/\$\#/$n/g;
    $tmp =~ s/\$\*/\$/g;
    print $tmp;
    }
}