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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
(* OCaml port by John Malecki and Xavier Leroy *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
open Int64ops
open Checkpoints
open Primitives
open Debugger_config
let history = ref ([] : int64 list)
let empty_history () =
history := []
let add_current_time () =
let time = current_time () in
if !history = [] then
history := [time]
else if time <> List.hd !history then
history := list_truncate !history_size (time::!history)
let previous_time_1 () =
match !history with
_::((time::_) as hist) ->
history := hist; time
| _ ->
prerr_endline "No more information."; raise Toplevel
let rec previous_time n =
if n = _1
then previous_time_1()
else begin ignore(previous_time_1()); previous_time(pre64 n) end
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