ParserInterpreter.java 文件源码

protected void visitRuleStopState(ATNState p) {
    RuleStartState ruleStartState = atn.ruleToStartState[p.ruleIndex];
    if (ruleStartState.isPrecedenceRule) {
        Pair<ParserRuleContext, Integer> parentContext = _parentContextStack.pop();
        unrollRecursionContexts(parentContext.a);
        setState(parentContext.b);
    }
    else {
        exitRule();
    }

    RuleTransition ruleTransition = (RuleTransition)atn.states.get(getState()).transition(0);
    setState(ruleTransition.followState.stateNumber);
}