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 $const (qw(
  17                       CVf_ANON
  18                       CVf_CLONE
  19                       CVf_CLONED
  20                       CVf_CONST
  21                       CVf_LOCKED
  22                       CVf_LVALUE
  23                       CVf_METHOD
  24                       CVf_NODEBUG
  25                       CVf_UNIQUE
  26                       CVf_WEAKOUTSIDE
  27                       GVf_IMPORTED_AV
  28                       GVf_IMPORTED_CV
  29                       GVf_IMPORTED_HV
  30                       GVf_IMPORTED_SV
  31                       HEf_SVKEY
  32                       SVTYPEMASK
  33                       SVf_FAKE
  34                       SVf_IOK
  35                       SVf_IVisUV
  36                       SVf_NOK
  37                       SVf_POK
  38                       SVf_READONLY
  39                       SVf_ROK
  40                       SVp_IOK
  41                       SVp_NOK
  42                       SVp_POK
  43                       SVpad_OUR
  44                       SVs_RMG
  45                       SVs_SMG
  46                       SVt_PVGV
  47                       SVt_PVHV
  48                       PAD_FAKELEX_ANON
  49                       PAD_FAKELEX_MULTI
  50                       ))
  51  {
  52   doconst($const);
  53  }
  54
  55 if ($] < 5.009) {
  56     # This is only present in 5.10, but it's useful to B::Deparse to be able
  57     # to import a dummy value from B
  58     doconst(OPpPAD_STATE);
  59 }
  60
  61 if ($] >= 5.009) {
  62     # Constant not present in 5.8.x
  63     doconst(CVf_ISXSUB);
  64 } else {
  65     # Constant not present after 5.8.x
  66     doconst(AVf_REAL);
  67 }
  68
  69 foreach my $tuple (['op.h'],['cop.h'],['regexp.h','RXf_'])
  70  {
  71   my $file = $tuple->[0];
  72   my $pfx = $tuple->[1] || '';
  73   my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  74   open(OPH,"$path") || die "Cannot open $path:$!";
  75   while (<OPH>)
  76    {
  77     doconst($1) if (/#define\s+($pfx\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
  78    }
  79   close(OPH);
  80  }
  81 close(OUT);
  82
  83 sub doconst
  84 {
  85  my $sym = shift;
  86  my $l = length($sym);
  87  print OUT <<"END";
  88  newCONSTSUB(stash,"$sym",newSViv($sym));
  89  av_push(export_ok,newSVpvn("$sym",$l));
  90 END
  91 }