lib/drl/parser.ml


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type error = ParseError of string

let of_sexp sexp =
  match Ast.query_of_sexp sexp with
  | q             -> Ok q
  | exception exn -> Error (ParseError (Printexc.to_string exn))

let of_string s =
  match Sexplib.Sexp.of_string s |> Ast.query_of_sexp with
  | q             -> Ok q
  | exception exn -> Error (ParseError (Printexc.to_string exn))

let to_string q =
  Ast.sexp_of_query q |> Sexplib.Sexp.to_string_hum