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|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* *)
(* Copyright (C) 2002-2011 *)
(* *)
(* Jean-Christophe FILLIATRE, CNRS & Univ. Paris-sud 11 *)
(* Claude MARCHE, INRIA & Univ. Paris-sud 11 *)
(* Yannick MOY, Univ. Paris-sud 11 *)
(* Romain BARDOU, Univ. Paris-sud 11 *)
(* *)
(* Secondary contributors: *)
(* *)
(* Thierry HUBERT, Univ. Paris-sud 11 (former Caduceus front-end) *)
(* Nicolas ROUSSET, Univ. Paris-sud 11 (on Jessie & Krakatoa) *)
(* Ali AYAD, CNRS & CEA Saclay (floating-point support) *)
(* Sylvie BOLDO, INRIA (floating-point support) *)
(* Jean-Francois COUCHOT, INRIA (sort encodings, hyps pruning) *)
(* Mehdi DOGGUY, Univ. Paris-sud 11 (Why GUI) *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU Lesser General Public *)
(* License version 2.1, with the special exception on linking *)
(* described in file LICENSE. *)
(* *)
(* This software is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *)
(* *)
(**************************************************************************)
open Format
open DpConfig
let provers_found = ref 0
let prover_tips_info = ref false
let rec detect_prover p cmds =
match cmds with
| [] ->
printf "detection of prover %s failed@." p.name
| cmd::rem ->
let out = Filename.temp_file "out" "" in
let cmd2 = cmd ^ " " ^ p.version_switch in
let c = cmd2 ^ " > " ^ out in
let ret = Sys.command c in
if ret <> 0
(* was needed for older version of gappa, but is
wrong under windows: && not (p == gappa && ret = 1) *)
then
begin
printf "command '%s' failed@." cmd2;
detect_prover p rem
end
else
let s =
try
let ch = open_in out in
let s = ref (input_line ch) in
while !s = "" do s := input_line ch done;
close_in ch;
Sys.remove out;
!s
with Not_found | End_of_file -> ""
in
let re = Str.regexp p.version_regexp in
if Str.string_match re s 0 then
let nam = p.name in
let ver = Str.matched_group 1 s in
begin
if List.mem ver p.versions_ok then
printf "Found prover %s version %s, OK.@." nam ver
else
begin
prover_tips_info := true;
if List.mem ver p.versions_old then
printf "Warning: prover %s version %s is quite old, please consider upgrading to a newer version.@." nam ver
else
printf "Warning: prover %s version %s is not known to be supported, use it at your own risk!@." nam ver
end
end;
p.command <- cmd;
p.version <- ver;
incr provers_found
else
begin
prover_tips_info := true;
printf "Warning: found prover %s but name/version not recognized by regexp `%s'@." p.name p.version_regexp;
printf "Answer was `%s'@." s;
p.command <- cmd;
p.version <- "?";
end
let main () =
begin
try
load_rc_file ()
with Not_found ->
printf "rc file not found, using default values for provers@\n@.";
end;
printf "starting autodetection...@.";
List.iter (fun (_,(p,l)) ->
(* we reset version because it might have been read in .whyrc *)
p.version <- "";
let l =
if List.mem p.command l then l else l@[p.command]
in
detect_prover p l) prover_list;
printf "detection done.@.";
if !provers_found = 0 then
begin
printf "No provers found! you need to install at least one prover.@.";
prover_tips_info := true
end
else
begin
printf "writing rc file `%s'...@\n@." (rc_file());
save_rc_file ();
printf " prover version info invocation@.";
printf "------------------------------------------------------@.";
List.iter (fun (_,(p,_)) ->
let nam = p.name in
let ver = p.version in
let morever =
if p.version = "" then "not found" else
if p.version = "?" then "undetected" else
if List.mem p.version p.versions_ok then "" else
if List.mem p.version p.versions_old then "(obsolete)" else
"(not supported)"
in
printf "%10s %10s %15s %s@." nam ver morever
(if p.version ="" then "" else
p.command ^ " " ^ p.command_switches);
) prover_list;
printf "------------------------------------------------------@.";
end;
if !prover_tips_info then
begin
printf "See web page http://why.lri.fr/provers.en.html for up-to-date information about provers and their versions@."
end
let () = Printexc.catch main ()
|
