Function finishrawget

xrepo/packages/l/lua/port/lua/src/lapi.c:718–726

l_sinline int finishrawget (lua_State *L, const TValue *val) {
  if (isempty(val))  /* avoid copying empty items to the stack */
    setnilvalue(s2v(L->top));
  else
    setobj2s(L, L->top, val);
  api_incr_top(L);
  lua_unlock(L);
  return ttype(s2v(L->top - 1));
}


static Table *gettable (lua_State *L, int idx) {