private void adjustIterator() {
		locationIterator = results.listIterator();
		if (!options.isForward()) {
			// position iterator to end so that previous() will work
			while (locationIterator.hasNext()) {
				locationIterator.next();
			}
		}
	}
Returns the number of fields used in the match.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/searchtext/ListingDisplaySearcher.java