index_hash
if (index_hash(ctx, (yyvsp[(1) - (4)].var)->name, &(yyvsp[(3) - (4)].var)->val, &var))
if (index_hash(ctx, (yyvsp[(1) - (3)].var)->name, &tmp->val, &var))
if (index_hash(ctx, $1->name, &$3->val, &var))
if (index_hash(ctx, $1->name, &tmp->val, &var))