//
// This software is now distributed according to
// the Lesser Gnu Public License.  Please see
// http://www.gnu.org/copyleft/lesser.txt for
// the details.
//    -- Happy Computing!
//
package com.stevesoft.pat;

/** OrMark and SubMark together implement ( ... ) */
class SubMark extends Pattern
{
  int end_pos, start_pos;

  OrMark om;

  public String toString()
  {
    return "";
  }

  public int matchInternal(int i, Pthings pt)
  {
    pt.marks[om.id + pt.nMarks] = i;
    int ret = nextMatch(i, pt);
    if (ret < 0)
    {
      pt.marks[om.id + pt.nMarks] = -1;
    }
    return ret;
  }
}