#! perl -w

# Cola preprocessor
# Kludge to preload classes until the parser
# can do it.

print "colac preprocessor\n\n";

my $file = $ARGV[0];

open(IN, "<$file") or die("No source file: $file\n");

my @file = <IN>;
my $using;
my $class;

open(OUT, ">$file.colacctmp");

foreach my $line (@file) {
    if(($using, $class) = $line =~ m/^(using\s+(\w+);)/) {
        open(USE, "<$class.cola") or die("Error: can't include $class.cola\n");
        {
            local $/;
            my $class = <USE>;
            print OUT $class;
        }
        $line =~ s/$using//;
    }
    print OUT $line;
}

close(OUT);

system("./colacc $file.colacctmp");