source: trunk/essentials/dev-lang/perl/ext/B/defsubs_h.PL@ 3212

# Do not remove the following line; MakeMaker relies on it to identify
# this file as a template for defsubs.h
# Extracting defsubs.h (with variable substitutions)
#!perl
my ($out) = __FILE__ =~ /(^.*)\.PL/i;
$out =~ s/_h$/.h/;
open(OUT,">$out") || die "Cannot open $file:$!";
print "Extracting $out...\n";
print OUT <<"END";
/*
 !!! Don't modify this file - it's autogenerated from $0 !!!
 */
END

foreach my $const (qw(
                      AVf_REAL
                      CVf_ANON
                      CVf_ASSERTION
                      CVf_CLONE
                      CVf_CLONED
                      CVf_CONST
                      CVf_LOCKED
                      CVf_LVALUE
                      CVf_METHOD
                      CVf_NODEBUG
                      CVf_OLDSTYLE
                      CVf_UNIQUE
                      CVf_WEAKOUTSIDE
                      GVf_IMPORTED_AV
                      GVf_IMPORTED_CV
                      GVf_IMPORTED_HV
                      GVf_IMPORTED_SV
                      HEf_SVKEY
                      SVTYPEMASK
                      SVf_FAKE
                      SVf_IOK
                      SVf_IVisUV
                      SVf_NOK
                      SVf_POK
                      SVf_READONLY
                      SVf_ROK
                      SVp_IOK
                      SVp_NOK
                      SVp_POK
                      SVpad_OUR
                      SVs_RMG
                      SVs_SMG
                      SVt_PVGV
                      SVt_PVHV
                      ))
 {
  doconst($const);
 }
foreach my $file (qw(op.h cop.h))
 {
  my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  open(OPH,"$path") || die "Cannot open $path:$!";
  while (<OPH>)
   {  
    doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
   }  
  close(OPH);
 }
close(OUT);
               
sub doconst
{
 my $sym = shift;
 my $l = length($sym);
 print OUT <<"END";
 newCONSTSUB(stash,"$sym",newSViv($sym)); 
 av_push(export_ok,newSVpvn("$sym",$l));
END
}