Function skipchecks

other_src/lua/src/lpeg.cpp:862–871

static int skipchecks (Instruction *p, int up, int *pn) {
  int i, n = 0;
  for (i = 0; isfixcheck(p + i); i += sizei(p + i)) {
    int st = op_step(p + i);
    if (n + st > MAXOFF - up) break;
    n += st;
  }
  *pn = n;
  return i;
}


#define ismovablecap(op)	(ismovable(op) && getoff(op) < MAXOFF)