@Override
		protected int execATNWithFullContext(DFA dfa, DFAState D, ATNConfigSet s0, TokenStream input, int startIndex, ParserRuleContext outerContext) {
			fullContextFallback[decision]++;
			return super.execATNWithFullContext(dfa, D, s0, input, startIndex, outerContext);
		}
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