diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/ltac/profile_ltac.ml | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/plugins/ltac/profile_ltac.ml b/plugins/ltac/profile_ltac.ml index 44cb531e51..0dbf16a821 100644 --- a/plugins/ltac/profile_ltac.ml +++ b/plugins/ltac/profile_ltac.ml @@ -330,15 +330,32 @@ let exit_tactic ~count_call start_time c = feedback_results parent end +(** [tclWRAPFINALLY before tac finally] runs [before] before each + entry-point of [tac] and passes the result of [before] to + [finally], which is then run at each exit-point of [tac], + regardless of whether it succeeds or fails. Said another way, if + [tac] succeeds, then it behaves as [before >>= fun v -> tac >>= fun + ret -> finally v <*> tclUNIT ret]; otherwise, if [tac] fails with + [e], it behaves as [before >>= fun v -> finally v <*> tclZERO + e]. *) +let rec tclWRAPFINALLY before tac finally = + let open Proofview in + let open Proofview.Notations in + before >>= fun v -> tclCASE tac >>= function + | Fail (e, info) -> finally v >>= fun () -> tclZERO ~info e + | Next (ret, tac') -> tclOR + (finally v >>= fun () -> tclUNIT ret) + (fun e -> tclWRAPFINALLY before (tac' e) finally) + let do_profile s call_trace ?(count_call=true) tac = let open Proofview.Notations in (* We do an early check to [is_profiling] so that we save the - overhead of [Proofview.tclWRAPFINALLY] when profiling is not set + overhead of [tclWRAPFINALLY] when profiling is not set *) Proofview.tclLIFT (Proofview.NonLogical.make (fun () -> !is_profiling)) >>= function | false -> tac | true -> - Proofview.tclWRAPFINALLY + tclWRAPFINALLY (Proofview.tclLIFT (Proofview.NonLogical.make (fun () -> if !is_profiling then match call_trace, Local.(!stack) with |