ocaml/toplevel/trace.mli

37 lines
1.8 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* 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. *)
(* *)
(**************************************************************************)
(* The "trace" facility *)
open Format
type codeptr
type traced_function =
{ path: Path.t; (* Name under which it is traced *)
closure: Obj.t; (* Its function closure (patched) *)
actual_code: codeptr; (* Its original code pointer *)
instrumented_fun: codeptr -> Obj.t -> Obj.t -> Obj.t }
(* Printing function *)
val traced_functions: traced_function list ref
val is_traced: Obj.t -> Path.t option
val get_code_pointer: Obj.t -> codeptr
val set_code_pointer: Obj.t -> codeptr -> unit
val instrument_closure:
Env.t -> Longident.t -> formatter -> Types.type_expr ->
codeptr -> Obj.t -> Obj.t -> Obj.t
val print_trace: Obj.t -> Obj.t -> Obj.t