Bytecode patches from Benjamin Stuhl.
[p5sagit/p5-mst-13.2.git] / ext / B / defsubs_h.PL
1 # Do not remove the following line; MakeMaker relies on it to identify
2 # this file as a template for defsubs.h
3 # Extracting defsubs.h (with variable substitutions)
4 #!perl
5 my ($out) = __FILE__ =~ /(^.*)\.PL/i;
6 $out =~ s/_h$/.h/;
7 open(OUT,">$out") || die "Cannot open $file:$!";
8 print "Extracting $out...\n";
9 foreach my $const (qw(AVf_REAL 
10                       HEf_SVKEY
11                       SVf_READONLY SVTYPEMASK
12                       GVf_IMPORTED_AV GVf_IMPORTED_HV
13                       GVf_IMPORTED_SV GVf_IMPORTED_CV
14                       SVf_IOK SVf_IVisUV SVf_NOK SVf_POK
15                       SVf_ROK SVp_IOK SVp_POK SVp_NOK))
16  {
17   doconst($const);
18  }
19 foreach my $file (qw(op.h cop.h))
20  {
21   open(OPH,"../../$file") || die "Cannot open ../../$file:$!";
22   while (<OPH>)
23    {  
24     doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
25    }  
26   close(OPH);
27  }
28 close(OUT);
29                
30 sub doconst
31 {
32  my $sym = shift;
33  my $l = length($sym);
34  print OUT <<"END";
35  newCONSTSUB(stash,"$sym",newSViv($sym)); 
36  av_push(export_ok,newSVpvn("$sym",$l));
37 END
38 }