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 $const (qw(
  16                       CVf_ANON
  17                       CVf_ASSERTION
  18                       CVf_CLONE
  19                       CVf_CLONED
  20                       CVf_CONST
  21                       CVf_LOCKED
  22                       CVf_LVALUE
  23                       CVf_METHOD
  24                       CVf_NODEBUG
  25                       CVf_OLDSTYLE
  26                       CVf_UNIQUE
  27                       CVf_WEAKOUTSIDE
  28                       GVf_IMPORTED_AV
  29                       GVf_IMPORTED_CV
  30                       GVf_IMPORTED_HV
  31                       GVf_IMPORTED_SV
  32                       HEf_SVKEY
  33                       SVTYPEMASK
  34                       SVf_FAKE
  35                       SVf_IOK
  36                       SVf_IVisUV
  37                       SVf_NOK
  38                       SVf_POK
  39                       SVf_READONLY
  40                       SVf_ROK
  41                       SVp_IOK
  42                       SVp_NOK
  43                       SVp_POK
  44                       SVpad_OUR
  45                       SVs_RMG
  46                       SVs_SMG
  47                       SVt_PVGV
  48                       SVt_PVHV
  49                       ))
  50  {
  51   doconst($const);
  52  }
  53 foreach my $file (qw(op.h cop.h))
  54  {
  55   my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  56   open(OPH,"$path") || die "Cannot open $path:$!";
  57   while (<OPH>)
  58    {
  59     doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
  60    }
  61   close(OPH);
  62  }
  63 close(OUT);
  64
  65 sub doconst
  66 {
  67  my $sym = shift;
  68  my $l = length($sym);
  69  print OUT <<"END";
  70  newCONSTSUB(stash,"$sym",newSViv($sym));
  71  av_push(export_ok,newSVpvn("$sym",$l));
  72 END
  73 }