status = _notmuch_sexp_string_to_xapian_query (notmuch, query_string.c_str (), output);
if (status) {
throw Xapian::QueryParserError ("error parsing " + query_string);
}
status = _notmuch_sexp_string_to_xapian_query (notmuch, query_string.c_str (), output);
if (status) {
throw Xapian::QueryParserError ("error parsing " + query_string);
}