ocaml/tools/dumpapprox.ml

101 lines
3.3 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* 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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Dump a .cmx file *)
open Config
open Format
open Clambda
open Compilenv
let print_digest ppf d =
for i = 0 to String.length d - 1 do
print_string(Printf.sprintf "%02x" (Char.code d.[i]))
done
let rec print_approx ppf = function
Value_closure(fundesc, approx) ->
printf "@[<2>function %s@ arity %i" fundesc.fun_label fundesc.fun_arity;
if fundesc.fun_closed then begin
printf "@ (closed)"
end;
if fundesc.fun_inline <> None then begin
printf "@ (inline)"
end;
printf "@ -> @ %a@]" print_approx approx
| Value_tuple approx ->
let tuple ppf approx =
for i = 0 to Array.length approx - 1 do
if i > 0 then printf ";@ ";
printf "%i: %a" i print_approx approx.(i)
done in
printf "@[<hov 1>%a@]" tuple approx
| Value_unknown ->
print_string "_"
| Value_integer n ->
print_int n
| Value_constptr n ->
print_int n; print_string "p"
let print_name_crc (name, crc) =
printf "@ %s (%a)" name print_digest crc
let print_infos (ui, crc) =
printf "Name: %s@." ui.ui_name;
printf "CRC of implementation: %a@." print_digest crc;
printf "@[<hov 2>Globals defined:";
List.iter (fun s -> printf "@ %s" s) ui.ui_defines;
printf "@]@.";
let pr_imports ppf imps = List.iter print_name_crc imps in
printf "@[<v 2>Interfaces imported:%a@]@." pr_imports ui.ui_imports_cmi;
printf "@[<v 2>Implementations imported:%a@]@." pr_imports ui.ui_imports_cmx;
printf "@[<v 2>Approximation:@ %a@]@." print_approx ui.ui_approx;
let pr_funs ppf fns =
List.iter (fun arity -> printf "@ %i" arity) fns in
printf "@[<2>Currying functions:%a@]@." pr_funs ui.ui_curry_fun;
printf "@[<2>Apply functions:%a@]@." pr_funs ui.ui_apply_fun
let print_unit_info filename =
let ic = open_in_bin filename in
try
let buffer = String.create (String.length cmx_magic_number) in
really_input ic buffer 0 (String.length cmx_magic_number);
if buffer = cmx_magic_number then begin
let ui = (input_value ic : unit_infos) in
let crc = Digest.input ic in
close_in ic;
print_infos (ui, crc)
end else if buffer = cmxa_magic_number then begin
let li = (input_value ic : library_infos) in
close_in ic;
List.iter print_infos li.lib_units
end else begin
close_in ic;
prerr_endline "Wrong magic number";
exit 2
end
with End_of_file | Failure _ ->
close_in ic;
prerr_endline "Error reading file";
exit 2
let main () =
print_unit_info Sys.argv.(1);
exit 0
let _ = main ()