@Override
		protected ATNConfigSet computeReachSet(ATNConfigSet closure, int t, boolean fullCtx) {
			if (fullCtx) {
				totalTransitions[decision]++;
				computedTransitions[decision]++;
				fullContextTransitions[decision]++;
			}

			return super.computeReachSet(closure, t, fullCtx);
		}
This method is separate from {@link #parse1} so the first pass can be distinguished when analyzing
 profiler results.
tool-testsuite/test/org/antlr/v4/test/tool/TestPerformance.java