gen-bootstrap.pl

#!/usr/bin/env perl
# Copyright (C) 2009, Patrick R. Michaud.

use strict;
use warnings;


foreach my $file (@ARGV) {
    make_bootstrap($file);
}

0;

sub make_bootstrap {
    my $filename = shift;
    open my $fh, '<', $filename or die "Unable to read $filename\n";

    while (<$fh>) {
        if (m{^\.include '(src/[^']*)'}) {
            print "### $_";
            make_bootstrap($1);
        }
        elsif (m{^\.include '(gen/[^']*)'}) {
            print "### $_";
            make_bootstrap("src/stage2/$1");
        }
        else { print; }
    }
}