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 $const (qw(
  16                       AVf_REAL
  17                       CVf_ANON
  18                       CVf_ASSERTION
  19                       CVf_CLONE
  20                       CVf_CLONED
  21                       CVf_CONST
  22                       CVf_LOCKED
  23                       CVf_LVALUE
  24                       CVf_METHOD
  25                       CVf_NODEBUG
  26                       CVf_OLDSTYLE
  27                       CVf_UNIQUE
  28                       CVf_WEAKOUTSIDE
  29                       GVf_IMPORTED_AV
  30                       GVf_IMPORTED_CV
  31                       GVf_IMPORTED_HV
  32                       GVf_IMPORTED_SV
  33                       HEf_SVKEY
  34                       SVTYPEMASK
  35                       SVf_FAKE
  36                       SVf_IOK
  37                       SVf_IVisUV
  38                       SVf_NOK
  39                       SVf_POK
  40                       SVf_READONLY
  41                       SVf_ROK
  42                       SVp_IOK
  43                       SVp_NOK
  44                       SVp_POK
  45                       SVpad_OUR
  46                       SVs_RMG
  47                       SVs_SMG
  48                       SVt_PVGV
  49                       SVt_PVHV
  50                       ))
  51  {
  52   doconst($const);
  53  }
  54 foreach my $file (qw(op.h cop.h))
  55  {
  56   my $path = $^O eq 'MacOS' ? ":::$file" : "../../$file";
  57   open(OPH,"$path") || die "Cannot open $path:$!";
  58   while (<OPH>)
  59    {
  60     doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
  61    }
  62   close(OPH);
  63  }
  64 close(OUT);
  65
  66 sub doconst
  67 {
  68  my $sym = shift;
  69  my $l = length($sym);
  70  print OUT <<"END";
  71  newCONSTSUB(stash,"$sym",newSViv($sym));
  72  av_push(export_ok,newSVpvn("$sym",$l));
  73 END
  74 }