Method context

java/com/google/re2j/MachineInput.java:208–214

(int pos)

    }

    @Override
    int context(int pos) {
      pos += start;
      int r1 = pos > 0 && pos <= str.length() ? Character.codePointBefore(str, pos) : -1;
      int r2 = pos < str.length() ? Character.codePointAt(str, pos) : -1;
      return Utils.emptyOpContext(r1, r2);
    }

    @Override
    int endPos() {