code: function(fromSegment, toSegment) {
  			if (fromSegment.reachable && toSegment.reachable) {
  				this.emitter.emit(
  					"onCodePathSegmentLoop",
  					fromSegment,
  					toSegment,
  					this.currentNode
  				);
  			}
  		}
docs: This is called on a code path looped.
  Then this raises a looped event.
  
  @param {CodePathSegment} fromSegment - A segment of prev.
  @param {CodePathSegment} toSegment - A segment of next.
  @returns {void}