ocaml/middle_end/pass_wrapper.ml

35 lines
1.7 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Pierre Chambart, OCamlPro *)
(* Mark Shinwell and Leo White, Jane Street Europe *)
(* *)
(* Copyright 2013--2016 OCamlPro SAS *)
(* Copyright 2014--2016 Jane Street Group LLC *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
[@@@ocaml.warning "+a-4-9-30-40-41-42"]
let register ~pass_name =
Clflags.all_passes := pass_name :: !Clflags.all_passes
let with_dump ~pass_name ~f ~input ~print_input ~print_output =
let dump = Clflags.dumped_pass pass_name in
let result = f () in
match result with
| None ->
if dump then Format.eprintf "%s: no-op.\n\n%!" pass_name;
None
| Some result ->
if dump then begin
Format.eprintf "Before %s:@ %a@.@." pass_name print_input input;
Format.eprintf "After %s:@ %a@.@." pass_name print_output result
end;
Some result