eris: add general purpose 'flag bits' to lua tables'

luprex/eris-master/src/eris.c

@@ -905,6 +905,9 @@ static void
 p_literaltable(Info *info) {                                       /* ... tbl */
   eris_checkstack(info->L, 3);
 
+  unsigned char bits = lua_getflagbits(info->L, -1);
+  WRITE_VALUE(bits, uint8_t);
+
   /* Persist all key / value pairs. */
   lua_pushnil(info->L);                                        /* ... tbl nil */
   while (lua_next(info->L, -2)) {                              /* ... tbl k v */
@@ -943,6 +946,8 @@ u_literaltable(Info *info) {                                           /* ... */
   eris_checkstack(info->L, 3);
 
   lua_newtable(info->L);                                           /* ... tbl */
+  unsigned char bits = READ_VALUE(uint8_t);
+  lua_setflagbits(info->L, -1, bits);
 
   /* Preregister table for handling of cycles (keys, values or metatable). */
   registerobject(info);