regcomp.c: Add _invlist_contents() to compactly dump inversion list

This will be used in future commits for debug traces

1 files changed, 6 insertions, 0 deletions

diff --git a/proto.h b/proto.h
index 9c61e73a53..b9a7a7aaf1 100644
--- a/proto.h
+++ b/proto.h
@@ -6537,6 +6537,12 @@ PERL_CALLCONV SV*	Perl__core_swash_init(pTHX_ const char* pkg, const char* name,
 #define PERL_ARGS_ASSERT__CORE_SWASH_INIT	\
 	assert(pkg); assert(name); assert(listsv)
 
+PERL_CALLCONV SV*	Perl__invlist_contents(pTHX_ SV* const invlist)
+			__attribute__warn_unused_result__
+			__attribute__nonnull__(pTHX_1);
+#define PERL_ARGS_ASSERT__INVLIST_CONTENTS	\
+	assert(invlist)
+
 #endif
 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_UTF8_C)
 PERL_CALLCONV void	Perl__append_range_to_invlist(pTHX_ SV* const invlist, const UV start, const UV end)