item->inc.data.b.lhs = psi_num_exp_init_unary(PSI_T_LPAREN,
psi_num_exp_copy(item->prev->num));
item->inc.data.b.rhs = psi_num_exp_init_num(
item->inc.data.b.lhs = psi_num_exp_init_unary(PSI_T_LPAREN,
psi_num_exp_copy(item->prev->num));
item->inc.data.b.rhs = psi_num_exp_init_num(