StatisticsParserATNSimulator.java 文件源码

@Override
protected Tuple2<DFAState, ParserRuleContext> computeTargetState(DFA dfa, DFAState s, ParserRuleContext remainingGlobalContext, int t, boolean useContext, PredictionContextCache contextCache) {
    computedTransitions[decision]++;

    long startTime = System.nanoTime();
    try {
        return super.computeTargetState(dfa, s, remainingGlobalContext, t, useContext, contextCache);
    } finally {
        long totalTime = System.nanoTime() - startTime;
        decisionCost[dfa.decision] += totalTime;
        if (useContext) {
            decisionLlCost[dfa.decision] += totalTime;
        }
    }
}