RefactorUtils.java 文件源码

public static boolean ruleHasMultipleOutermostAlts(Parser parser, ParseTree ruleTree) {
    Collection<ParseTree> ors = XPath.findAll(ruleTree, "/parserRuleSpec/ruleBlock/ruleAltList/OR", parser);
    if ( ors.size()>=1 ) return true;
    ors = XPath.findAll(ruleTree, "/lexerRule/lexerRuleBlock/lexerAltList/OR", parser);
    return ors.size()>=1;
}