drivers/md/unroll.pl

   1 #!/usr/bin/perl
   2 #
   3 # Take a piece of C code and for each line which contains the sequence $$
   4 # repeat n times with $ replaced by 0...n-1; the sequence $# is replaced
   5 # by the unrolling factor, and $* with a single $
   6 #
   7
   8 ($n) = @ARGV;
   9 $n += 0;
  10
  11 while ( defined($line = <STDIN>) ) {
  12     if ( $line =~ /\$\$/ ) {
  13         $rep = $n;
  14     } else {
  15         $rep = 1;
  16     }
  17     for ( $i = 0 ; $i < $rep ; $i++ ) {
  18         $tmp = $line;
  19         $tmp =~ s/\$\$/$i/g;
  20         $tmp =~ s/\$\#/$n/g;
  21         $tmp =~ s/\$\*/\$/g;
  22         print $tmp;
  23     }
  24 }