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Don't use raise_with_backtrace in backward-compatible Fun.protect

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This commit is contained in:
Christopher Zimmermann 2019-10-07 14:07:11 +02:00
parent f759a92214
commit 6a51830305
2 changed files with 4 additions and 6 deletions
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4
src/core/mkshims.ml
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@ -58,8 +58,8 @@ let shims_fun_mli_pre_408 =
(** This is the [Fun] module distributed with the OCaml Core system. (** This is the [Fun] module distributed with the OCaml Core system.
It is linked with containers in case the installed OCaml system does not It is linked with containers in case the installed OCaml system does not
provide a compatible [Fun] module. provide a compatible [Fun] module.
It is the an unmodified version of [Fun] as shipped with the OCaml core It is the a slightly modified version of [Fun] as shipped with the OCaml
system. core system.
*) *)
" "
^ read_file "stdlib/fun.mli" ^ read_file "stdlib/fun.mli"

6
src/core/stdlib/fun.ml
View file

@ -23,12 +23,10 @@ exception Finally_raised of exn
let protect ~(finally : unit -> unit) work = let protect ~(finally : unit -> unit) work =
let finally_no_exn () = let finally_no_exn () =
try finally () with e -> try finally () with e ->
let bt = Printexc.get_raw_backtrace () in raise (Finally_raised e)
Printexc.raise_with_backtrace (Finally_raised e) bt
in in
match work () with match work () with
| result -> finally_no_exn () ; result | result -> finally_no_exn () ; result
| exception work_exn -> | exception work_exn ->
let work_bt = Printexc.get_raw_backtrace () in
finally_no_exn () ; finally_no_exn () ;
Printexc.raise_with_backtrace work_exn work_bt raise work_exn