16. The method of claim 15 , wherein determining a new parser comprises determining a change in states of at least one counter.
16. The method of claim 15 , wherein determining a new parser comprises determining a change in states of at least one counter. 17. The method of claim 16 , wherein determining a change in states comprises one of a count of the at least one counter going from an initial value to a value different than the initial value and a count of the at least one counter going from a value different than an initial value to the initial value.