#
# $Id$
# Author: Markus Wenzel, TU Muenchen
#
# fixgoal.pl - replace goal(w) commands by implicit versions Goal(w)
#
sub fixgoal {
my ($file) = @_;
open (FILE, $file) || die $!;
undef $/; $text = <FILE>; $/ = "\n"; # slurp whole file
close FILE || die $!;
($path, $thy, $ext) = ($file =~ m,^(.*/)?(\w+)(\.\w+)?$,);
$_ = $text;
s/^[ \t]*goalw\b\s*\bthy\b/Goalw/mg;
s/^[ \t]*goalw\b\s*\b$thy\.thy\b/Goalw/mg;
s/^[ \t]*goal\b\s*\bthy\b/Goal/mg;
s/^[ \t]*goal\b\s*\b$thy\.thy\b/Goal/mg;
$result = $_;
if ($text ne $result) {
print STDERR "fixing $file\n";
if (! -f "$file~~") {
rename $file, "$file~~" || die $!;
}
open (FILE, "> $file") || die $!;
print FILE $result;
close FILE || die $!;
}
}
## main
foreach $file (@ARGV) {
eval { &fixgoal($file); };
if ($@) { print STDERR "*** fixgoal $file: ", $@, "\n"; }
}