feature.h: Function for enabling bundles

2 files changed, 48 insertions, 0 deletions

diff --git a/feature.h b/feature.h
index 1cbd0478e5..ce8d81be80 100644
--- a/feature.h
+++ b/feature.h
@@ -89,4 +89,25 @@
 
 #endif /* PERL_CORE or PERL_EXT */
 
+#ifdef PERL_IN_OP_C
+PERL_STATIC_INLINE void
+S_enable_feature_bundle(pTHX_ SV *ver)
+{
+    SV *comp_ver = sv_newmortal();
+    PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
+	     | (
+		  (sv_setnv(comp_ver, 5.015),
+		   vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
+			? FEATURE_BUNDLE_515 :
+		  (sv_setnv(comp_ver, 5.011),
+		   vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
+			? FEATURE_BUNDLE_511 :
+		  (sv_setnv(comp_ver, 5.009005),
+		   vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
+			? FEATURE_BUNDLE_510 :
+			  FEATURE_BUNDLE_DEFAULT
+	       ) << HINT_FEATURE_SHIFT;
+}
+#endif /* PERL_IN_OP_C */
+
 /* ex: set ro: */
diff --git a/regen/feature.pl b/regen/feature.pl
index 32d7123187..2763d0995f 100755
--- a/regen/feature.pl
+++ b/regen/feature.pl
@@ -271,8 +271,35 @@ EOH4
 print $h <<EOH;
 
 #endif /* PERL_CORE or PERL_EXT */
+
+#ifdef PERL_IN_OP_C
+PERL_STATIC_INLINE void
+S_enable_feature_bundle(pTHX_ SV *ver)
+{
+    SV *comp_ver = sv_newmortal();
+    PL_hints = (PL_hints &~ HINT_FEATURE_MASK)
+	     | (
 EOH
 
+for (reverse @HintedBundles[1..$#HintedBundles]) { # skip default
+    my $numver = $_;
+    if ($numver eq '5.10') { $numver = '5.009005' } # special case
+    else		   { $numver =~ s/\./.0/  } # 5.11 => 5.011
+    (my $macrover = $_) =~ y/.//d;
+    print $h <<"    EOK";
+		  (sv_setnv(comp_ver, $numver),
+		   vcmp(ver, upg_version(comp_ver, FALSE)) >= 0)
+			? FEATURE_BUNDLE_$macrover :
+    EOK
+}
+
+print $h <<EOJ;
+			  FEATURE_BUNDLE_DEFAULT
+	       ) << HINT_FEATURE_SHIFT;
+}
+#endif /* PERL_IN_OP_C */
+EOJ
+
 read_only_bottom_close_and_rename($h);