the splitter is now defined as a functor
moved addsplits, delsplits, Addsplits, Delsplits to Provers/splitter.ML
moved split_thm_info to Provers/splitter.ML
definined atomize via general mk_atomize
removed superfluous rot_eq_tac from simplifier.ML
HOL/simpdata.ML: renamed mk_meta_eq to meta_eq,
              re-renamed mk_meta_eq_simp to mk_meta_eq
                 added Eps_eq to simpset
#
# $Id$
#
# fixdatatype.pl - adapt theories and proof scripts to new datatype package
#
sub fixdatatype {
    my ($file) = @_;
    open (FILE, $file) || die $!;
    undef $/; $text = <FILE>; $/ = "\n";         # slurp whole file
    close FILE || die $!;
    $_ = $text;
    ## convert split_type_case[_asm] to type.split[_asm]
    s/([^"])\bsplit_([\w]+)_case\b/$1$2.split/sg;
    s/([^"])\bsplit_([\w]+)_case_asm\b/$1$2.split_asm/sg;
    ## delete function name and type after "primrec"
    s/\bprimrec\b\s+([\w]+|"[^"]+")\s+([\w\.]+)/primrec/sg;
    ## replace specific induct_tac by generic induct_tac
    s/[\w\.]+\.induct_tac/induct_tac/sg;
    ## replace res_inst_tac ... natE by exhaust_tac
    s/\bres_inst_tac\b\s*\[\s*\(\s*"[^"]+"\s*,\s*("[^"]+")\s*\)\s*\]\s*natE\b/exhaust_tac $1/sg;
    $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 $file (@ARGV) {
  eval { &fixdatatype($file); };
  if ($@) { print STDERR "*** fixdatatype $file: ", $@, "\n"; }
}