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 print OUT <<"END";
  10 /*
  11  !!! Don't modify this file - it's autogenerated from $0 !!!
  12  */
  13 END
  14
  15 foreach my $const (qw(
  16                       AVf_REAL
  17                       CVf_ANON
  18                       CVf_ASSERTION
  19                       CVf_CLONE
  20                       CVf_CLONED
  21                       CVf_CONST
  22                       CVf_LOCKED
  23                       CVf_LVALUE
  24                       CVf_METHOD
  25                       CVf_NODEBUG
  26                       CVf_OLDSTYLE
  27                       CVf_UNIQUE
  28                       CVf_WEAKOUTSIDE
  29                       GVf_IMPORTED_AV
  30                       GVf_IMPORTED_CV
  31                       GVf_IMPORTED_HV
  32                       GVf_IMPORTED_SV
  33                       HEf_SVKEY
  34                       SVTYPEMASK
  35                       SVf_FAKE
  36                       SVf_IOK
  37                       SVf_IVisUV
  38                       SVf_NOK
  39                       SVf_POK
  40                       SVf_READONLY
  41                       SVf_ROK
  42                       SVp_IOK
  43                       SVp_NOK
  44                       SVp_POK
  45                       SVpad_OUR
  46                       SVs_RMG
  47                       SVs_SMG
  48                       SVt_PVGV
  49                       SVt_PVHV
  50                       PAD_FAKELEX_ANON
  51                       PAD_FAKELEX_MULTI
  52                       ))
  53  {
  54   doconst($const);
  55  }
  56
  57 if ($] < 5.009) {
  58     # This is only present in 5.10, but it's useful to B::Deparse to be able
  59     # to import a dummy value from B
  60     doconst(OPpPAD_STATE);
  61 }
  62
  63 foreach my $file (qw(op.h cop.h))
  64  {
  65   my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  66   open(OPH,"$path") || die "Cannot open $path:$!";
  67   while (<OPH>)
  68    {
  69     doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
  70    }
  71   close(OPH);
  72  }
  73 close(OUT);
  74
  75 sub doconst
  76 {
  77  my $sym = shift;
  78  my $l = length($sym);
  79  print OUT <<"END";
  80  newCONSTSUB(stash,"$sym",newSViv($sym));
  81  av_push(export_ok,newSVpvn("$sym",$l));
  82 END
  83 }