ThriftListener.java 文件源码

private List<Token> getLeadingComments(Token token) {
    List<Token> hiddenTokens = tokenStream.getHiddenTokensToLeft(token.getTokenIndex(), Lexer.HIDDEN);

    if (hiddenTokens == null || hiddenTokens.isEmpty()) {
        return Collections.emptyList();
    }

    List<Token> comments = new ArrayList<>(hiddenTokens.size());
    for (Token hiddenToken : hiddenTokens) {
        if (isComment(hiddenToken) && !trailingDocTokenIndexes.get(hiddenToken.getTokenIndex())) {
            comments.add(hiddenToken);
        }
    }

    return comments;
}