ocaml/toplevel/trace.mli

36 lines
1.6 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 Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* 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