}
}
- fn check_stack(&mut self, k: isize) {
+ fn check_stack(&mut self, k: usize) {
if !self.scan_stack.is_empty() {
let x = self.scan_top();
match self.buf[x].token {
Token::Begin(_) => {
if k > 0 {
- let popped = self.scan_pop();
- self.buf[popped].size = self.buf[x].size + self.right_total;
+ self.scan_pop();
+ self.buf[x].size += self.right_total;
self.check_stack(k - 1);
}
}
Token::End => {
// paper says + not =, but that makes no sense.
- let popped = self.scan_pop();
- self.buf[popped].size = 1;
+ self.scan_pop();
+ self.buf[x].size = 1;
self.check_stack(k + 1);
}
_ => {
- let popped = self.scan_pop();
- self.buf[popped].size = self.buf[x].size + self.right_total;
+ self.scan_pop();
+ self.buf[x].size += self.right_total;
if k > 0 {
self.check_stack(k);
}