lsym_unary_op
case lsym_unary_op: process_unary_op(); break;
if (ps.prev_lsym == lsym_unary_op)
&& ps.prev_lsym != lsym_unary_op) {
? ps.paren.len == 1 && ps.prev_lsym != lsym_unary_op
lsym = ps.next_unary ? lsym_unary_op : lsym_binary_op;
? lsym_unary_op : lsym_postfix_op;
lsym = lsym_unary_op;
lsym = lsym_unary_op;
lsym = ps.next_unary ? lsym_unary_op : lsym_binary_op;
lsym = ps.next_unary ? lsym_unary_op : lsym_binary_op;