Method init

java/com/google/re2j/Machine.java:133–141

(int ncap)

  // init() reinitializes an existing Machine for re-use on a new input.
  void init(int ncap) {
    // length change need new arrays
    this.ncap = ncap;
    if (ncap > matchcap.length) {
      initNewCap(ncap);
    } else {
      resetCap(ncap);
    }
  }

  private void resetCap(int ncap) {
    // same size just reset to 0