unary_op
case unary_op: /* this could be any unary operation */
if (state->last_token == period || state->last_token == unary_op) {
code = (state->last_u_d ? unary_op : binary_op);
code = (state->last_u_d ? unary_op : postop);
code = unary_op;
code = (state->last_u_d ? unary_op : binary_op);
code = unary_op;
code = (state->last_u_d ? unary_op : binary_op);