why3session_html.ml 17.8 KB
Newer Older
Andrei Paskevich's avatar
Andrei Paskevich committed
1 2 3 4 5 6 7 8 9 10
(********************************************************************)
(*                                                                  *)
(*  The Why3 Verification Platform   /   The Why3 Development Team  *)
(*  Copyright 2010-2012   --   INRIA - CNRS - Paris-Sud University  *)
(*                                                                  *)
(*  This software is distributed under the terms of the GNU Lesser  *)
(*  General Public License version 2.1, with the special exception  *)
(*  on linking described in file LICENSE.                           *)
(*                                                                  *)
(********************************************************************)
11

12
open Format
13
open Why3
14
open Why3session_lib
15

16
module Hprover = Whyconf.Hprover
17 18
module S = Session

19
let output_dir = ref ""
20
let opt_context = ref false
21

22
type style = SimpleTree | Jstree | Table
23

24 25
let opt_style = ref Table
let default_style = "table"
26 27

let set_opt_style = function
28
  | "simple" -> opt_style := SimpleTree
29
  | "jstree" -> opt_style := Jstree
30
  | "table" -> opt_style := Table
Andrei Paskevich's avatar
Andrei Paskevich committed
31
  | _ ->
32 33 34
    eprintf "Unknown html style, ignored@."

let () = set_opt_style default_style
35

36 37 38 39 40 41 42 43 44
let opt_pp = ref []

let set_opt_pp_in,set_opt_pp_cmd,set_opt_pp_out =
  let suf = ref "" in
  let cmd = ref "" in
  (fun s -> suf := s),
  (fun s -> cmd := s),
  (fun s -> opt_pp := (!suf,(!cmd,s))::!opt_pp)

45
let spec =
46 47
  ("-o",
   Arg.Set_string output_dir,
MARCHE Claude's avatar
MARCHE Claude committed
48
   "<path> output directory ('-' for stdout)") ::
49
  ("--context", Arg.Set opt_context,
MARCHE Claude's avatar
MARCHE Claude committed
50
   " adds context around the generated HTML code") ::
51
  ("--style", Arg.Symbol (["simpletree";"jstree";"table"], set_opt_style),
MARCHE Claude's avatar
MARCHE Claude committed
52
   " style to use, defaults to '" ^ default_style ^ "'."
53
) ::
54
  ("--add_pp", Arg.Tuple
55 56 57
    [Arg.String set_opt_pp_in;
     Arg.String set_opt_pp_cmd;
     Arg.String set_opt_pp_out],
MARCHE Claude's avatar
MARCHE Claude committed
58
  "<suffix> <cmd> <out_suffix> declares a pretty-printer for edited proofs") ::
59 60
  ("--coqdoc",
   Arg.Unit (fun ()->
61
    opt_pp := (".v",("coqdoc --no-index --html -o %o %i",".html"))::!opt_pp),
MARCHE Claude's avatar
MARCHE Claude committed
62
  " use coqdoc to print Coq proofs") ::
63
  common_options
64

François Bobot's avatar
François Bobot committed
65
open Session
66

67
type context =
68
    (string ->
François Bobot's avatar
François Bobot committed
69
     (formatter -> notask session -> unit) -> notask session
70 71
     -> unit, formatter, unit) format

72 73 74 75 76 77 78 79 80 81 82
let run_file (context : context) print_session fname =
  let project_dir = Session.get_project_dir fname in
  let session = Session.read_session project_dir in
  let output_dir =
    if !output_dir = "" then project_dir else !output_dir
  in
  let basename = Filename.basename project_dir in
  let cout =
    if output_dir = "-" then stdout else
      open_out (Filename.concat output_dir (basename^".html"))
  in
83 84 85 86 87 88 89 90
  let fmt = formatter_of_out_channel cout in
  if !opt_context
  then fprintf fmt context basename (print_session basename) session
  else print_session basename fmt session;
  pp_print_flush fmt ();
  if output_dir <> "-" then close_out cout


91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
module Table =
struct


  let rec transf_depth tr =
    List.fold_left
      (fun depth g -> max depth (goal_depth g)) 0 tr.S.transf_goals
  and goal_depth g =
    S.PHstr.fold
      (fun _st tr depth -> max depth (1 + transf_depth tr))
      g.S.goal_transformations 1

  let theory_depth t =
    List.fold_left
      (fun depth g -> max depth (goal_depth g)) 0 t.S.theory_goals

107
  let provers_stats provers theory =
108
    S.theory_iter_proof_attempt (fun a ->
109
      Hprover.replace provers a.S.proof_prover a.S.proof_prover) theory
110 111 112 113

  let print_prover = Whyconf.print_prover


Andrei Paskevich's avatar
Andrei Paskevich committed
114 115 116
  let color_of_status ?(dark=false) fmt b =
    fprintf fmt "%s" (if b then
        if dark then "008000" else "C0FFC0"
117 118 119 120 121 122 123 124 125
      else "FF0000")

let print_results fmt provers proofs =
  List.iter (fun p ->
    fprintf fmt "<td bgcolor=\"#";
    begin
      try
        let pr = S.PHprover.find proofs p in
        let s = pr.S.proof_state in
126 127
        begin
          match s with
128 129 130 131 132 133 134 135
	  | S.Done res ->
	    begin
	      match res.Call_provers.pr_answer with
		| Call_provers.Valid ->
                  fprintf fmt "C0FFC0\">%.2f" res.Call_provers.pr_time
		| Call_provers.Invalid ->
                  fprintf fmt "FF0000\">Invalid"
		| Call_provers.Timeout ->
MARCHE Claude's avatar
MARCHE Claude committed
136 137
                  fprintf fmt "FF8000\">Timeout (%ds)"
                    pr.S.proof_timelimit
138
		| Call_provers.OutOfMemory ->
MARCHE Claude's avatar
MARCHE Claude committed
139 140
                  fprintf fmt "FF8000\">Out Of Memory (%dM)"
                    pr.S.proof_memlimit
141
		| Call_provers.Unknown _ ->
MARCHE Claude's avatar
MARCHE Claude committed
142
                  fprintf fmt "FF8000\">%.2f" res.Call_provers.pr_time
143
		| Call_provers.Failure _ ->
Andrei Paskevich's avatar
Andrei Paskevich committed
144 145 146
                  fprintf fmt "FF8000\">Failure"
		| Call_provers.HighFailure ->
                  fprintf fmt "FF8000\">High Failure"
147
	    end
148
	  | S.InternalFailure _ -> fprintf fmt "E0E0E0\">Internal Failure"
149 150 151 152
          | S.Interrupted -> fprintf fmt "E0E0E0\">Not yet run"
          | S.Unedited -> fprintf fmt "E0E0E0\">Not yet edited"
          | S.Scheduled | S.Running
          | S.JustEdited -> assert false
153
        end;
154
        if pr.S.proof_obsolete then fprintf fmt " (obsolete)"
MARCHE Claude's avatar
MARCHE Claude committed
155
      with Not_found -> fprintf fmt "E0E0E0\">---"
156 157 158
    end;
    fprintf fmt "</td>") provers

MARCHE Claude's avatar
MARCHE Claude committed
159 160
let rec num_lines acc tr =
  List.fold_left
Andrei Paskevich's avatar
Andrei Paskevich committed
161 162
    (fun acc g -> 1 +
      PHstr.fold (fun _ tr acc -> 1 + num_lines acc tr)
MARCHE Claude's avatar
MARCHE Claude committed
163 164 165
      g.goal_transformations acc)
    acc tr.transf_goals

166 167
  let rec print_transf fmt depth max_depth provers tr =
    fprintf fmt "<tr>";
168
    for _i=1 to 0 (* depth-1 *) do fprintf fmt "<td></td>" done;
Andrei Paskevich's avatar
Andrei Paskevich committed
169 170
    fprintf fmt "<td bgcolor=\"#%a\" colspan=\"%d\">"
      (color_of_status ~dark:false) tr.S.transf_verified
MARCHE Claude's avatar
MARCHE Claude committed
171 172 173
      (max_depth - depth + 1);
    (* for i=1 to depth-1 do fprintf fmt "&nbsp;&nbsp;&nbsp;&nbsp;" done; *)
    fprintf fmt "%s</td>" tr.transf_name ;
174
    for _i=1 (* depth *) to (*max_depth - 1 + *) List.length provers do
175 176 177
      fprintf fmt "<td bgcolor=\"#E0E0E0\"></td>"
    done;
    fprintf fmt "</tr>@\n";
MARCHE Claude's avatar
MARCHE Claude committed
178 179 180 181 182 183 184 185 186 187 188
    fprintf fmt "<td rowspan=\"%d\">&nbsp;&nbsp;</td>" (num_lines 0 tr);
    let (_:bool) = List.fold_left
      (fun is_first g ->
        print_goal fmt is_first (depth+1) max_depth provers g;
        false)
      true tr.transf_goals
    in ()

  and print_goal fmt is_first depth max_depth provers g =
    if not is_first then fprintf fmt "<tr>";
    (* for i=1 to 0 (\* depth-1 *\) do fprintf fmt "<td></td>" done; *)
Andrei Paskevich's avatar
Andrei Paskevich committed
189
    fprintf fmt "<td bgcolor=\"#%a\" colspan=\"%d\">"
MARCHE Claude's avatar
MARCHE Claude committed
190 191
      (color_of_status ~dark:false) g.S.goal_verified (max_depth - depth + 1);
    (* for i=1 to depth-1 do fprintf fmt "&nbsp;&nbsp;&nbsp;&nbsp;" done; *)
192 193 194 195 196 197 198 199 200 201 202
    fprintf fmt "%s</td>" (S.goal_expl g);
(*    for i=depth to max_depth-1 do fprintf fmt "<td></td>" done; *)
    print_results fmt provers g.goal_external_proofs;
    fprintf fmt "</tr>@\n";
    PHstr.iter
      (fun _ tr -> print_transf fmt depth max_depth provers tr)
      g.goal_transformations

  let print_theory fmt th =
    let depth = theory_depth th in
    if depth > 0 then
203
    let provers = Hprover.create 9 in
204 205
    provers_stats provers th;
    let provers =
206
      Hprover.fold (fun _ pr acc -> pr :: acc) provers []
207 208 209
    in
    let provers = List.sort Whyconf.Prover.compare provers in
    let name = th.S.theory_name.Ident.id_string in
Andrei Paskevich's avatar
Andrei Paskevich committed
210
    fprintf fmt "<h2><font color=\"#%a\">Theory \"%s\": %s</font></h2>@\n"
211 212 213
      (color_of_status ~dark:true) th.S.theory_verified
      name (if th.S.theory_verified then "fully verified" else "not fully verified")
    ;
MARCHE Claude's avatar
MARCHE Claude committed
214

215
    fprintf fmt "<table border=\"1\"><tr><td colspan=\"%d\">Obligations</td>" depth;
MARCHE Claude's avatar
MARCHE Claude committed
216
    (* fprintf fmt "<table border=\"1\"><tr><td>Obligations</td>"; *)
217 218 219 220
    List.iter
      (fun pr -> fprintf fmt "<td text-rotation=\"90\">%a</td>" print_prover pr)
      provers;
    fprintf fmt "</td></tr>@\n";
MARCHE Claude's avatar
MARCHE Claude committed
221
    List.iter (print_goal fmt true 1 depth provers) th.theory_goals;
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
    fprintf fmt "</table>@\n"

  let print_file fmt f =
    (* fprintf fmt "<h1>File %s</h1>@\n" f.file_name; *)
    fprintf fmt "%a"
      (Pp.print_list Pp.newline print_theory) f.file_theories

  let print_session name fmt s =
    fprintf fmt "<h1>Why3 Proof Results for Project \"%s\"</h1>@\n" name;
    fprintf fmt "%a"
      (Pp.print_iter2 PHstr.iter Pp.newline Pp.nothing Pp.nothing
         print_file) s.session_files


  let context : context = "<!DOCTYPE html
PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">
<html xmlns=\"http://www.w3.org/1999/xhtml\">
<head>
<title>Why3 session of %s</title>
</head>
<body>
%a
</body>
</html>
"

  let run_one = run_file context print_session

end



255 256 257
module Simple =
struct

258
  let print_prover = Whyconf.print_prover
259 260

  let print_proof_status fmt = function
261 262 263 264
    | Interrupted -> fprintf fmt "Not yet run"
    | Unedited -> fprintf fmt "Not yet edited"
    | JustEdited | Scheduled | Running -> assert false
    | Done pr -> fprintf fmt "Done: %a" Call_provers.print_prover_result pr
265
    | InternalFailure exn ->
266
      fprintf fmt "Failure: %a"Exn_printer.exn_printer exn
267

268 269
  let print_proof_attempt fmt pa =
    fprintf fmt "<li>%a : %a</li>"
François Bobot's avatar
François Bobot committed
270
      print_prover pa.proof_prover
271 272 273 274 275
      print_proof_status pa.proof_state

  let rec print_transf fmt tr =
    fprintf fmt "<li>%s : <ul>%a</ul></li>"
      tr.transf_name
François Bobot's avatar
François Bobot committed
276
      (Pp.print_list Pp.newline print_goal) tr.transf_goals
277 278 279

  and print_goal fmt g =
    fprintf fmt "<li>%s : <ul>%a%a</ul></li>"
François Bobot's avatar
François Bobot committed
280 281
      g.goal_name.Ident.id_string
      (Pp.print_iter2 PHprover.iter Pp.newline Pp.nothing
282
         Pp.nothing print_proof_attempt)
François Bobot's avatar
François Bobot committed
283 284
      g.goal_external_proofs
      (Pp.print_iter2 PHstr.iter Pp.newline Pp.nothing
285
         Pp.nothing print_transf)
François Bobot's avatar
François Bobot committed
286
      g.goal_transformations
287 288 289

  let print_theory fmt th =
    fprintf fmt "<li>%s : <ul>%a</ul></li>"
François Bobot's avatar
François Bobot committed
290 291
      th.theory_name.Ident.id_string
      (Pp.print_list Pp.newline print_goal) th.theory_goals
292 293 294 295

  let print_file fmt f =
    fprintf fmt "<li>%s : <ul>%a</ul></li>"
      f.file_name
François Bobot's avatar
François Bobot committed
296
      (Pp.print_list Pp.newline print_theory) f.file_theories
297 298 299

  let print_session _name fmt s =
    fprintf fmt "<ul>%a</ul>"
François Bobot's avatar
François Bobot committed
300 301
      (Pp.print_iter2 PHstr.iter Pp.newline Pp.nothing Pp.nothing
         print_file) s.session_files
302 303 304


  let context : context = "<!DOCTYPE html
305 306 307 308
PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">
<html xmlns=\"http://www.w3.org/1999/xhtml\">
<head>
309
<title>Why3 session of %s</title>
310 311 312 313 314 315
</head>
<body>
%a
</body>
</html>
"
316

317
  let run_one = run_file context print_session
318

319
end
320

321

322 323 324
module Jstree =
struct

325 326 327 328 329
  let print_verified fmt b =
    if b
    then fprintf fmt "class='verified'"
    else fprintf fmt "class='notverified'"

330
  let print_prover = Whyconf.print_prover
331 332

  let print_proof_status fmt = function
333 334 335 336
    | Interrupted -> fprintf fmt "<span class='notverified'>Not yet run</span>"
    | Unedited -> fprintf fmt "<span class='notverified'>Not yet edited</span>"
    | JustEdited | Scheduled | Running -> assert false
    | Done pr -> fprintf fmt "<span class='verified'>Done: %a</span>"
337
      Call_provers.print_prover_result pr
338
    | InternalFailure exn ->
339
      fprintf fmt "<span class='notverified'>Failure: %a</span>"
340
        Exn_printer.exn_printer exn
341

342 343 344 345 346 347 348 349 350 351 352 353 354 355
  let cmd_regexp = Str.regexp "%\\(.\\)"

  let pp_run input cmd output =
    let replace s = match Str.matched_group 1 s with
      | "%" -> "%"
      | "i" -> input
      | "o" -> output
      | _ -> failwith "unknown format specifier, use %%i, %%o"
    in
    let cmd = Str.global_substitute cmd_regexp replace cmd in
    let c = Sys.command cmd in
    if c <> 0 then
      eprintf "[Error] '%s' stopped abnormaly : code %i" cmd c

356

357
  let find_pp edited =
358
    let edited_dst = Filename.concat !output_dir "edited" in
359 360 361
    let basename = Filename.basename edited in
    try
      let suff,(cmd,suff_out) =
362
        List.find (fun (s,_) -> Strings.ends_with basename s) !opt_pp in
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377
      let base =
        String.sub basename 0 (String.length basename - String.length suff) in
      let base_dst = (base^suff_out) in
      if !opt_context then
        pp_run edited cmd (Filename.concat edited_dst base_dst);
      base_dst
    with Not_found ->
      eprintf "Default %s@." basename;
      (** default printer *)
      let base = try Filename.chop_extension basename with _ -> basename in
      let base_dst = base^".txt" in
      if !opt_context then
        Sysutil.copy_file edited (Filename.concat edited_dst base_dst);
      base_dst

378 379
let print_session name fmt session =

380
  let print_proof_attempt fmt pa =
381
    match get_edited_as_abs session pa with
382 383
      | None ->
        fprintf fmt "@[<hov><li rel='prover' ><a href='#'>%a : %a</a></li>@]"
François Bobot's avatar
François Bobot committed
384
          print_prover pa.proof_prover
385 386 387 388 389 390
          print_proof_status pa.proof_state
      | Some f ->
        let output = find_pp f in
        fprintf fmt "@[<hov><li rel='prover' ><a href='#' \
onclick=\"showedited('%s'); return false;\">%a : %a</a></li>@]"
          output
François Bobot's avatar
François Bobot committed
391
          print_prover pa.proof_prover
392
          print_proof_status pa.proof_state in
393 394 395

  let rec print_transf fmt tr =
    fprintf fmt
396 397 398
      "@[<hov><li rel='transf'><a href='#'>\
<span %a>%s</span></a>@,<ul>%a</ul></li>@]"
      print_verified tr.transf_verified
399
      tr.transf_name
François Bobot's avatar
François Bobot committed
400
      (Pp.print_list Pp.newline print_goal) tr.transf_goals
401 402 403

  and print_goal fmt g =
    fprintf fmt
404 405 406
      "@[<hov><li rel='goal'><a href='#'>\
<span %a>%s</a></a>@,<ul>%a%a</ul></li>@]"
      print_verified g.goal_verified
François Bobot's avatar
François Bobot committed
407 408
      g.goal_name.Ident.id_string
      (Pp.print_iter2 PHprover.iter Pp.newline Pp.nothing
409
         Pp.nothing print_proof_attempt)
François Bobot's avatar
François Bobot committed
410 411
      g.goal_external_proofs
      (Pp.print_iter2 PHstr.iter Pp.newline Pp.nothing
412
         Pp.nothing print_transf)
413
      g.goal_transformations in
414 415 416

  let print_theory fmt th =
    fprintf fmt
417 418 419
      "@[<hov><li rel='theory'><a href='#'>\
<span %a>%s</span></a>@,<ul>%a</ul></li>@]"
      print_verified th.theory_verified
François Bobot's avatar
François Bobot committed
420
      th.theory_name.Ident.id_string
421
      (Pp.print_list Pp.newline print_goal) th.theory_goals in
422 423

  let print_file fmt f =
424 425 426 427
    fprintf fmt
      "@[<hov><li rel='file'><a href='#'>\
<span %a>%s</span></a>@,<ul>%a</ul></li>@]"
      print_verified f.file_verified
428
      f.file_name
429
      (Pp.print_list Pp.newline print_theory) f.file_theories in
430

431
  let print_session_aux fmt name =
432 433
    fprintf fmt "@[<hov><ul><a href='#'>%s</a>@,%a</ul>@]"
      name
François Bobot's avatar
François Bobot committed
434
      (Pp.print_iter2 PHstr.iter Pp.newline Pp.nothing Pp.nothing print_file)
435
      session.session_files in
436 437 438 439 440 441 442 443 444 445 446 447

    fprintf fmt
      "<a href='#' onclick=\"$('#%s_session').jstree('open_all');\">
expand all
</a> <a href='#' onclick=\"$('#%s_session').jstree('close_all');\">
close all
</a>
<div id=\"%s_session\" class=\"session\">
%a
</div>
<script type=\"text/javascript\" class=\"source\">
$(function () {
448
  $(\"#%s_session\").jstree({
449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472
      \"types\" : {
	   \"types\" : {
	   \"file\" : {
		\"icon\" : { \"image\" : \"images/folder16.png\"},
		      },
	   \"theory\" : {
		\"icon\" : { \"image\" : \"images/folder16.png\"},
		      },
	   \"goal\" : {
		\"icon\" : { \"image\" : \"images/file16.png\"},
		      },
	   \"prover\" : {
		\"icon\" : { \"image\" : \"images/wizard16.png\"},
		      },
	   \"transf\" : {
		\"icon\" : { \"image\" : \"images/configure16.png\"},
		      },
                        }
                },
      \"plugins\" : [\"themes\",\"html_data\",\"types\"]
        });
});
</script>
"
473
  name name name print_session_aux name name
474 475 476 477 478 479 480 481 482


  let context : context = "<!DOCTYPE html
PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">
<html xmlns=\"http://www.w3.org/1999/xhtml\">
<head>
    <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />
    <title>Why3 session of %s</title>
483 484
    <link rel=\"stylesheet\" type=\"text/css\"
     href=\"javascript/session.css\" />
485
    <script type=\"text/javascript\" src=\"javascript/jquery.js\"></script>
486 487 488 489
    <script type=\"text/javascript\" src=\"javascript/jquery.jstree.js\">\
</script>
    <script type=\"text/javascript\" src=\"javascript/session.js\">\
</script>
490 491 492
</head>
<body>
%a
493 494 495 496 497 498 499 500
<iframe src=\"\"  id='edited'>
<p>Your browser does not support iframes.</p>
</iframe>
<script type=\"text/javascript\" class=\"source\">
$(function () {
  $('#edited').hide()
})
</script>
501 502 503 504
</body>
</html>
"

505
  let run_files config =
506
    let edited_dst = Filename.concat !output_dir "edited" in
507 508
    if !opt_context then
      if not (Sys.file_exists edited_dst) then Unix.mkdir edited_dst 0o755;
509
    iter_files (run_file context print_session);
510
    if !opt_context then
511
      let data_dir = Whyconf.datadir (Whyconf.get_main config) in
512 513
      (** copy images *)
      let img_dir_src = Filename.concat data_dir "images" in
514
      let img_dir_src = Filename.concat img_dir_src "boomy" in
515
      let img_dir_dst = Filename.concat !output_dir "images" in
516 517 518 519 520 521 522 523
      if not (Sys.file_exists img_dir_dst) then Unix.mkdir img_dir_dst 0o755;
      List.iter (fun img_name ->
        let from = Filename.concat img_dir_src img_name in
        let to_  = Filename.concat img_dir_dst img_name in
        Sysutil.copy_file from to_)
        ["folder16.png";"file16.png";"wizard16.png";"configure16.png"];
      (** copy javascript *)
      let js_dir_src = Filename.concat data_dir "javascript" in
524
      let js_dir_dst = Filename.concat !output_dir "javascript" in
525 526 527 528 529
      Sysutil.copy_dir js_dir_src js_dir_dst

end


530 531

let run () =
532
  let _,config,should_exit1 = read_env_spec () in
533
  if should_exit1 then exit 1;
534 535 536
  match !opt_style with
    | Table -> iter_files Table.run_one
    | SimpleTree -> iter_files Simple.run_one
537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
    | Jstree ->
      if !output_dir = "-" then begin
        Format.eprintf "Option \"-o -\" is not compatible with \"--style jstree\".@.";
        exit 1
      end;
      if !output_dir = "" then begin
        let first = ref true in
        iter_files (fun fname ->
          if not !first then begin
            Format.eprintf "Option \"-o -\" is mandatory when \"--style jstree\" is used for several files at once.@.";
            exit 1
          end;
          output_dir := Session.get_project_dir fname;
          first := false);
      end;
      Jstree.run_files config
553 554 555 556 557 558 559 560


let cmd =
  { cmd_spec = spec;
    cmd_desc = "output session in HTML format.";
    cmd_name = "html";
    cmd_run  = run;
  }
561 562 563 564 565 566 567


(*
Local Variables:
compile-command: "unset LANG; make -C ../.. bin/why3session.byte"
End:
*)