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 unlink $out if -l $out;
   8 open(OUT,">$out") || die "Cannot open $file:$!";
   9 print "Extracting $out...\n";
  10 print OUT <<"END";
  11 /*
  12  !!! Don't modify this file - it's autogenerated from $0 !!!
  13  */
  14 END
  15
  16 foreach my $const (qw(
  17                       CVf_ANON
  18                       CVf_ASSERTION
  19                       CVf_CLONE
  20                       CVf_CLONED
  21                       CVf_CONST
  22                       CVf_LOCKED
  23                       CVf_LVALUE
  24                       CVf_METHOD
  25                       CVf_NODEBUG
  26                       CVf_UNIQUE
  27                       CVf_WEAKOUTSIDE
  28                       GVf_IMPORTED_AV
  29                       GVf_IMPORTED_CV
  30                       GVf_IMPORTED_HV
  31                       GVf_IMPORTED_SV
  32                       HEf_SVKEY
  33                       SVTYPEMASK
  34                       SVf_FAKE
  35                       SVf_IOK
  36                       SVf_IVisUV
  37                       SVf_NOK
  38                       SVf_POK
  39                       SVf_READONLY
  40                       SVf_ROK
  41                       SVp_IOK
  42                       SVp_NOK
  43                       SVp_POK
  44                       SVpad_OUR
  45                       SVs_RMG
  46                       SVs_SMG
  47                       SVt_PVGV
  48                       SVt_PVHV
  49                       PAD_FAKELEX_ANON
  50                       PAD_FAKELEX_MULTI
  51                       ))
  52  {
  53   doconst($const);
  54  }
  55
  56 if ($] < 5.009) {
  57     # This is only present in 5.10, but it's useful to B::Deparse to be able
  58     # to import a dummy value from B
  59     doconst(OPpPAD_STATE);
  60 }
  61
  62 if ($] >= 5.009) {
  63     # Constant not present in 5.8.x
  64     doconst(CVf_ISXSUB);
  65 }
  66
  67 foreach my $file (qw(op.h cop.h))
  68  {
  69   my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  70   open(OPH,"$path") || die "Cannot open $path:$!";
  71   while (<OPH>)
  72    {
  73     doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
  74    }
  75   close(OPH);
  76  }
  77 close(OUT);
  78
  79 sub doconst
  80 {
  81  my $sym = shift;
  82  my $l = length($sym);
  83  print OUT <<"END";
  84  newCONSTSUB(stash,"$sym",newSViv($sym));
  85  av_push(export_ok,newSVpvn("$sym",$l));
  86 END
  87 }