Parser.java 文件源码

/**
 * @since 4.3
 */
public void setProfile(boolean profile) {
    ParserATNSimulator interp = getInterpreter();
    if ( profile ) {
        if (!(interp instanceof ProfilingATNSimulator)) {
            setInterpreter(new ProfilingATNSimulator(this));
        }
    }
    else if (interp instanceof ProfilingATNSimulator) {
        setInterpreter(new ParserATNSimulator(this, getATN(), interp.decisionToDFA, interp.getSharedContextCache()));
    }
}