linol/src/eio/linol_eio.ml
Christoph M. Wintersteiger 9a7e1c221c Revert "I've gone too far, but it's too late to go back."
This reverts commit 7ccdfff203.
2024-07-31 16:20:53 +01:00

61 lines
1.5 KiB
OCaml

module type IO = Linol.IO
module IO_eio :
IO
with type 'a t = 'a
and type env = Eio_unix.Stdenv.base
and type in_channel = Eio.Buf_read.t
and type out_channel = Eio_unix.sink_ty Eio.Std.r = struct
type 'a t = 'a
let ( let+ ) x f = f x
let ( let* ) x f = f x
let ( and+ ) a b = a, b
let return x = x
let failwith = failwith
let fail = raise
let catch f handler = try f () with exn ->
let bt = Printexc.get_raw_backtrace () in
handler exn bt
let stdin env = Eio.Buf_read.of_flow ~max_size:1_000_000 (Eio.Stdenv.stdin env)
let stdout = Eio.Stdenv.stdout
type env = Eio_unix.Stdenv.base
type in_channel = Eio.Buf_read.t
type out_channel = Eio_unix.sink_ty Eio.Std.r
let write_string out_ch str = Eio.Flow.copy_string str out_ch
let write out_ch bytes off len =
Eio.Buf_write.with_flow out_ch @@ fun w ->
Eio.Buf_write.bytes w ~off ~len bytes
let read in_ch bytes off len =
let str = Eio.Buf_read.take len in_ch in
Bytes.blit_string str off bytes 0 len
let read_line in_ch =
Eio.Buf_read.line in_ch
end
(** Spawn function. *)
let spawn f =
let promise, resolver = Eio.Promise.create () in
begin
try
f ();
Eio.Promise.resolve_ok resolver ()
with
exn ->
(Printf.eprintf "uncaught exception in `spawn`:\n%s\n%!"
(Printexc.to_string exn));
Eio.Promise.resolve_error resolver exn
end;
Eio.Promise.await_exn promise
include Lsp.Types
include IO_eio
type doc_state = Linol.Server.doc_state
module Jsonrpc2 = Linol.Jsonrpc2.Make (IO_eio)