ttisnil
if (ttisnil(L->top - 1))
if (ttisnil(L->top - 1))
lua_assert(ttisnil(gval(n)));
if (ttisnil(gval(n))) /* entry is empty? */
lua_assert(!ttisnil(gkey(n)));
if (ttisnil(gval(n))) /* entry is empty? */
if (ttisnil(gval(n))) /* entry is empty? */
lua_assert(!ttisnil(gkey(n)));
if (!ttisnil(gval(n)) && (iscleared(g, gkey(n)))) {
if (!ttisnil(gval(n)) && iscleared(g, gval(n))) {
#define checkdeadkey(n) lua_assert(!ttisdeadkey(gkey(n)) || ttisnil(gval(n)))
if (ttisnil(o)) { /* not in use yet? (see 'addK') */
#define l_isfalse(o) (ttisnil(o) || (ttisboolean(o) && bvalue(o) == 0))
if (ttisnil(key)) return -1; /* first iteration */
if (!ttisnil(&t->array[i])) { /* a non-nil value? */
if (!ttisnil(gval(gnode(t, i)))) { /* a non-nil value? */
if (!ttisnil(&t->array[i-1]))
if (!ttisnil(gval(n))) {
if (!ttisnil(&t->array[i]))
if (!ttisnil(gval(old))) {
if (ttisnil(gkey(t->lastfree)))
if (ttisnil(key)) luaG_runerror(L, "table index is nil");
if (!ttisnil(gval(mp)) || isdummy(mp)) { /* main position is taken? */
lua_assert(ttisnil(gval(mp)));
while (!ttisnil(luaH_getint(t, j))) {
while (!ttisnil(luaH_getint(t, i))) i++;
if (ttisnil(luaH_getint(t, m))) j = m;
if (j > 0 && ttisnil(&t->array[j - 1])) {
if (ttisnil(&t->array[m - 1])) j = m;
if (ttisnil(tm)) { /* no tag method? */
if (!ttisnil(res) || /* result is not nil? */
else if (ttisnil(tm = luaT_gettmbyobj(L, t, TM_INDEX)))
if (!ttisnil(oldval) ||
if (ttisnil(tm = luaT_gettmbyobj(L, t, TM_NEWINDEX)))
if (ttisnil(tm))
if (ttisnil(tm)) return 0;
if (ttisnil(tm)) /* no metamethod? */
ttisnil(luaT_gettmbyobj(L, base + GETARG_B(inst), TM_LE)))
if (!ttisnil(ra + 1)) { /* continue loop? */