protected void skipComment() {
        next();
        if (ch == '/') {
            for (;;) {
                next();
                if (ch == '\n') {
                    next();
                    return;
                } else if (ch == EOI) {
                    return;
                }
            }
        } else if (ch == '*') {
            next();

            for (; ch != EOI;) {
                if (ch == '*') {
                    next();
                    if (ch == '/') {
                        next();
                        return;
                    } else {
                        continue;
                    }
                }
                next();
            }
        } else {
            throw new JSONException("invalid comment");
        }
    }
internal method, don't invoke
@param token
src/main/java/com/alibaba/fastjson/parser/JSONLexerBase.java