3 commits

Author	SHA1	Message	Date
David Bremner	f83cd2a05a	lib/parse-sexp: support and, not, and or. ... All operations and (Xapian) fields will eventually have an entry in the prefixes table. The flags field is just a placeholder for now, but will eventually distinguish between various kinds of prefixes.	2021-09-04 17:07:19 -07:00
David Bremner	a2785c3919	lib/parse-sexp: stem unquoted atoms ... This is somewhat less DWIM than the Xapian query parser, but it has the advantage of simplicity.	2021-09-04 17:07:19 -07:00
David Bremner	be7e83de96	lib/parse-sexp: parse single terms and the empty list. ... There is not much of a parser here yet, but it already does some useful error reporting. Most functionality sketched in the documentation is not implemented yet; detailed documentation will follow with the implementation.	2021-09-04 17:07:19 -07:00