43 lines
1.4 KiB
OCaml
43 lines
1.4 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
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(* Objective Caml port by John Malecki and Xavier Leroy *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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open Checkpoints
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open Misc
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open Primitives
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open Debugger_config
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let history = ref ([] : int list)
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let empty_history () =
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history := []
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let add_current_time () =
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let time = current_time () in
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if history = ref [] then
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history := [time]
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else if time <> List.hd !history then
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history := list_truncate !history_size (time::!history)
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let previous_time_1 () =
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match !history with
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_::((time::_) as hist) ->
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history := hist; time
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| _ ->
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prerr_endline "No more information."; raise Toplevel
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let rec previous_time n =
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if n = 1
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then previous_time_1()
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else begin previous_time_1(); previous_time(n-1) end
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