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-rw-r--r--contrib/perl5/ext/B/defsubs_h.PL35
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/perl5/ext/B/defsubs_h.PL b/contrib/perl5/ext/B/defsubs_h.PL
new file mode 100644
index 0000000..80ef936
--- /dev/null
+++ b/contrib/perl5/ext/B/defsubs_h.PL
@@ -0,0 +1,35 @@
+# Do not remove the following line; MakeMaker relies on it to identify
+# this file as a template for defsubs.h
+# Extracting defsubs.h (with variable substitutions)
+#!perl
+my ($out) = __FILE__ =~ /(^.*)\.PL/i;
+$out =~ s/_h$/.h/;
+open(OUT,">$out") || die "Cannot open $file:$!";
+print "Extracting $out...\n";
+foreach my $const (qw(AVf_REAL
+ HEf_SVKEY
+ SVf_IOK SVf_IVisUV SVf_NOK SVf_POK
+ SVf_ROK SVp_IOK SVp_POK ))
+ {
+ doconst($const);
+ }
+foreach my $file (qw(op.h cop.h))
+ {
+ open(OPH,"../../$file") || die "Cannot open ../../$file:$!";
+ while (<OPH>)
+ {
+ doconst($1) if (/#define\s+(\w+)\s+([\(\)\|\dx]+)\s*(?:$|\/\*)/);
+ }
+ close(OPH);
+ }
+close(OUT);
+
+sub doconst
+{
+ my $sym = shift;
+ my $l = length($sym);
+ print OUT <<"END";
+ newCONSTSUB(stash,"$sym",newSViv($sym));
+ av_push(export_ok,newSVpvn("$sym",$l));
+END
+}
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