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Revision 3b2bd83d

Added by Teme Kahsai about 8 years ago

updating to onera version 30f766a:2016-12-04

View differences:

src/backends/Horn/horn_backend.ml
9 9
(*                                                                  *)
10 10
(********************************************************************)
11 11

  
12
(* The compilation presented here is defined in Garoche, Gurfinkel, Kahsai,
13
   HCSV'14 *)
12
(* The compilation presented here was first defined in Garoche, Gurfinkel,
13
   Kahsai, HCSV'14.
14

  
15
   This is a modified version that handles reset and automaton
16
*)
14 17

  
15 18
open Format
16 19
open LustreSpec
17 20
open Corelang
18 21
open Machine_code
19 22

  
23
open Horn_backend_common
24
open Horn_backend_printers
25
open Horn_backend_collecting_sem
20 26

  
21
let pp_machine_init_name fmt id = fprintf fmt "%s_init" id
22
let pp_machine_step_name fmt id = fprintf fmt "%s_step" id
23
let pp_machine_stateless_name fmt id = fprintf fmt "%s" id
24

  
25
let pp_type fmt t =
26
  match (Types.repr t).Types.tdesc with
27
  | Types.Tbool           -> Format.fprintf fmt "Bool"
28
  | Types.Tint            -> Format.fprintf fmt "Int"
29
  | Types.Treal           -> Format.fprintf fmt "Real"
30
  | Types.Tclock _
31
  | Types.Tarray _
32
  | Types.Tstatic _
33
  | Types.Tconst _
34
  | Types.Tarrow _
35
  | _                     -> Format.eprintf "internal error: pp_type %a@."
36
    Types.print_ty t; assert false
37

  
38
let pp_decl_var fmt id =
39
  Format.fprintf fmt "(declare-var %s %a)"
40
    id.var_id
41
    pp_type id.var_type
42

  
43
let pp_var fmt id = Format.pp_print_string fmt id.var_id
44

  
45

  
46
let pp_conj pp fmt l =
47
  match l with
48
    [] -> assert false
49
  | [x] -> pp fmt x
50
  | _ -> fprintf fmt "(and @[<v 0>%a@]@ )" (Utils.fprintf_list ~sep:" " pp) l
51

  
52

  
53

  
54
let concat prefix x = if prefix = "" then x else prefix ^ "." ^ x
55
let rename f = (fun v -> {v with var_id = f v.var_id } )
56
let rename_machine p = rename (fun n -> concat p n)
57
let rename_machine_list p = List.map (rename_machine p)
58

  
59
let rename_current =  rename (fun n -> n ^ "_c")
60
let rename_current_list = List.map rename_current
61
let rename_next = rename (fun n -> n ^ "_x")
62
let rename_next_list = List.map rename_next
63

  
64

  
65
let get_machine machines node_name =
66
  List.find (fun m  -> m.mname.node_id = node_name) machines
67

  
68

  
69
let full_memory_vars machines machine =
70
  let rec aux fst prefix m =
71
    (rename_machine_list (if fst then prefix else concat prefix m.mname.node_id) m.mmemory) @
72
      List.fold_left (fun accu (id, (n, _)) ->
73
	let name = node_name n in
74
	if name = "_arrow" then accu else
75
	  let machine_n = get_machine machines name in
76
	  ( aux false (concat prefix (if fst then id else concat m.mname.node_id id)) machine_n ) @ accu
77
      ) [] (m.minstances)
78
  in
79
  aux true machine.mname.node_id machine
80

  
81

  
82
let stateless_vars machines m =
83
  (rename_machine_list m.mname.node_id m.mstep.step_inputs)@
84
    (rename_machine_list m.mname.node_id m.mstep.step_outputs)
85

  
86
let step_vars machines m =
87
  (stateless_vars machines m)@
88
    (rename_current_list (full_memory_vars machines m)) @
89
    (rename_next_list (full_memory_vars machines m))
90

  
91
let init_vars machines m =
92
  (stateless_vars machines m) @ (rename_next_list (full_memory_vars machines m))
93

  
94
(********************************************************************************************)
95
(*                    Instruction Printing functions                                        *)
96
(********************************************************************************************)
97

  
98
let pp_horn_var m fmt id =
99
  if Types.is_array_type id.var_type
100
  then
101
    assert false (* no arrays in Horn output *)
102
  else
103
    Format.fprintf fmt "%s" id.var_id
104

  
105

  
106
(* Used to print boolean constants *)
107
let pp_horn_tag fmt t =
108
  pp_print_string fmt (if t = tag_true then "true" else if t = tag_false then "false" else t)
27
(*
28
TODO:
29
- gerer les traces. Ca merde pour l'instant dans le calcul des memoires sur les arrows
109 30

  
110
(* Prints a constant value *)
111
let rec pp_horn_const fmt c =
112
  match c with
113
    | Const_int i    -> pp_print_int fmt i
114
    | Const_real r   -> pp_print_string fmt r
115
    | Const_float r  -> pp_print_float fmt r
116
    | Const_tag t    -> pp_horn_tag fmt t
117
    | _              -> assert false
118

  
119
(* Prints a value expression [v], with internal function calls only.
120
   [pp_var] is a printer for variables (typically [pp_c_var_read]),
121
   but an offset suffix may be added for array variables
122
*)
123
let rec pp_horn_val ?(is_lhs=false) self pp_var fmt v =
124
  match v with
125
    | Cst c         -> pp_horn_const fmt c
126
    | Array _
127
    | Access _ -> assert false (* no arrays *)
128
    | Power (v, n)  -> assert false
129
    | LocalVar v    -> pp_var fmt (rename_machine self v)
130
    | StateVar v    ->
131
      if Types.is_array_type v.var_type
132
      then assert false
133
      else pp_var fmt (rename_machine self ((if is_lhs then rename_next else rename_current) (* self *) v))
134
    | Fun (n, vl)   -> Format.fprintf fmt "%a" (Basic_library.pp_horn n (pp_horn_val self pp_var)) vl
135

  
136
(* Prints a [value] indexed by the suffix list [loop_vars] *)
137
let rec pp_value_suffix self pp_value fmt value =
138
 match value with
139
 | Fun (n, vl)  ->
140
   Basic_library.pp_horn n (pp_value_suffix self pp_value) fmt vl
141
 |  _            ->
142
   pp_horn_val self pp_value fmt value
143

  
144
(* type_directed assignment: array vs. statically sized type
145
   - [var_type]: type of variable to be assigned
146
   - [var_name]: name of variable to be assigned
147
   - [value]: assigned value
148
   - [pp_var]: printer for variables
149
*)
150
let pp_assign m self pp_var fmt var_type var_name value =
151
  fprintf fmt "(= %a %a)" (pp_horn_val ~is_lhs:true self pp_var) var_name (pp_value_suffix self pp_var) value
152

  
153
let pp_instance_call
154
    machines ?(init=false) m self fmt i (inputs: value_t list) (outputs: var_decl list) =
155
  try (* stateful node instance *)
156
    begin
157
      let (n,_) = List.assoc i m.minstances in
158
      match node_name n, inputs, outputs with
159
      | "_arrow", [i1; i2], [o] -> begin
160
        if init then
161
          pp_assign
162
   	    m
163
   	    self
164
   	    (pp_horn_var m)
165
	    fmt
166
   	    o.var_type (LocalVar o) i1
167
        else
168
          pp_assign
169
   	    m self (pp_horn_var m) fmt
170
   	    o.var_type (LocalVar o) i2
171

  
172
      end
173
      | name, _, _ ->
174
	begin
175
	  let target_machine = List.find (fun m  -> m.mname.node_id = name) machines in
176
	  if init then
177
	    Format.fprintf fmt "(%a %a%t%a%t%a)"
178
	      pp_machine_init_name (node_name n)
179
	      (* inputs *)
180
	      (Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m)))
181
	      inputs
182
	      (Utils.pp_final_char_if_non_empty " " inputs)
183
	      (* outputs *)
184
	      (Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m)))
185
	      (List.map (fun v -> LocalVar v) outputs)
186
	      (Utils.pp_final_char_if_non_empty " " outputs)
187
	      (* memories (next) *)
188
	      (Utils.fprintf_list ~sep:" " pp_var) (
189
  		rename_machine_list
190
		  (concat m.mname.node_id i)
191
		  (rename_next_list (full_memory_vars machines target_machine)
192
		  )
193
	       )
194
	  else
195
	    Format.fprintf fmt "(%a %a%t%a%t%a)"
196
	      pp_machine_step_name (node_name n)
197
	      (Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m))) inputs
198
	      (Utils.pp_final_char_if_non_empty " " inputs)
199
	      (Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m)))
200
	      (List.map (fun v -> LocalVar v) outputs)
201
	      (Utils.pp_final_char_if_non_empty " " outputs)
202
	      (Utils.fprintf_list ~sep:" " pp_var) (
203
		(rename_machine_list
204
		   (concat m.mname.node_id i)
205
		   (rename_current_list (full_memory_vars machines target_machine))
206
		) @
207
		  (rename_machine_list
208
		     (concat m.mname.node_id i)
209
		     (rename_next_list (full_memory_vars machines target_machine))
210
		  )
211
	       )
212

  
213
	end
214
    end
215
    with Not_found -> ( (* stateless node instance *)
216
      let (n,_) = List.assoc i m.mcalls in
217
      Format.fprintf fmt "(%s %a%t%a)"
218
	(node_name n)
219
	(Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m)))
220
	inputs
221
	(Utils.pp_final_char_if_non_empty " " inputs)
222
	(Utils.fprintf_list ~sep:" " (pp_horn_val self (pp_horn_var m)))
223
	(List.map (fun v -> LocalVar v) outputs)
224
    )
225

  
226
let pp_machine_init (m: machine_t) self fmt inst =
227
  let (node, static) = List.assoc inst m.minstances in
228
  fprintf fmt "(%a %a%t%s->%s)"
229
    pp_machine_init_name (node_name node)
230
    (Utils.fprintf_list ~sep:" " Dimension.pp_dimension) static
231
    (Utils.pp_final_char_if_non_empty " " static)
232
    self inst
233

  
234
(* TODO *)
235
let rec pp_conditional machines ?(init=false)  (m: machine_t) self fmt c tl el =
236
  fprintf fmt "@[<v 2>if (%a) {%t%a@]@,@[<v 2>} else {%t%a@]@,}"
237
    (pp_horn_val self (pp_horn_var m)) c
238
    (Utils.pp_newline_if_non_empty tl)
239
    (Utils.fprintf_list ~sep:"@," (pp_machine_instr machines ~init:init  m self)) tl
240
    (Utils.pp_newline_if_non_empty el)
241
    (Utils.fprintf_list ~sep:"@," (pp_machine_instr machines ~init:init  m self)) el
242

  
243
and pp_machine_instr machines ?(init=false) (m: machine_t) self fmt instr =
244
  match instr with
245
  | MReset i ->
246
    pp_machine_init m self fmt i
247
  | MLocalAssign (i,v) ->
248
    pp_assign
249
      m self (pp_horn_var m) fmt
250
      i.var_type (LocalVar i) v
251
  | MStateAssign (i,v) ->
252
    pp_assign
253
      m self (pp_horn_var m) fmt
254
      i.var_type (StateVar i) v
255
  | MStep ([i0], i, vl) when Basic_library.is_internal_fun i  ->
256
    assert false (* This should not happen anymore *)
257
  | MStep (il, i, vl) ->
258
    pp_instance_call machines ~init:init m self fmt i vl il
259
  | MBranch (g,hl) ->
260
    if hl <> [] && let t = fst (List.hd hl) in t = tag_true || t = tag_false
261
    then (* boolean case, needs special treatment in C because truth value is not unique *)
262
      (* may disappear if we optimize code by replacing last branch test with default *)
263
      let tl = try List.assoc tag_true  hl with Not_found -> [] in
264
      let el = try List.assoc tag_false hl with Not_found -> [] in
265
      pp_conditional machines ~init:init m self fmt g tl el
266
    else assert false (* enum type case *)
267

  
268

  
269
(**************************************************************)
270

  
271
let is_stateless m = m.minstances = [] && m.mmemory = []
272

  
273
(* Print the machine m:
274
   two functions: m_init and m_step
275
   - m_init is a predicate over m memories
276
   - m_step is a predicate over old_memories, inputs, new_memories, outputs
277
   We first declare all variables then the two /rules/.
31
- gerer le reset --- DONE
32
- reconstruire les rechable states DONE
33
- reintroduire le cex/traces ... DONE
34
- traiter les types enum et les branchements sur ces types enum (en particulier les traitements des resets qui ont lieu dans certaines branches et pas dans d'autres )
278 35
*)
279
let print_machine machines fmt m =
280
  let pp_instr init = pp_machine_instr machines ~init:init m in
281
  if m.mname.node_id = arrow_id then
282
    (* We don't print arrow function *)
283
    ()
284
  else
285
    begin
286
      Format.fprintf fmt "; %s@." m.mname.node_id;
287

  
288
   (* Printing variables *)
289
   Utils.fprintf_list ~sep:"@." pp_decl_var fmt
290
     ((step_vars machines m)@
291
	 (rename_machine_list m.mname.node_id m.mstep.step_locals));
292
   Format.pp_print_newline fmt ();
293

  
294

  
295

  
296
   if is_stateless m then
297
     begin
298
       (* Declaring single predicate *)
299
       Format.fprintf fmt "(declare-rel %a (%a))@."
300
	 pp_machine_stateless_name m.mname.node_id
301
	 (Utils.fprintf_list ~sep:" " pp_type)
302
	 (List.map (fun v -> v.var_type) (stateless_vars machines m));
303

  
304
       (* Rule for single predicate *)
305
       Format.fprintf fmt "@[<v 2>(rule (=> @ %a@ (%a %a)@]@.))@.@."
306
	 (pp_conj (pp_instr
307
		     true (* In this case, the boolean init can be set to true or false.
308
			     The node is stateless. *)
309
		     m.mname.node_id)
310
	 )
311
	 m.mstep.step_instrs
312
	 pp_machine_stateless_name m.mname.node_id
313
	 (Utils.fprintf_list ~sep:" " pp_var) (stateless_vars machines m);
314
     end
315
   else
316
     begin
317
       (* Declaring predicate *)
318
       Format.fprintf fmt "(declare-rel %a (%a))@."
319
	 pp_machine_init_name m.mname.node_id
320
	 (Utils.fprintf_list ~sep:" " pp_type)
321
	 (List.map (fun v -> v.var_type) (init_vars machines m));
322

  
323
       Format.fprintf fmt "(declare-rel %a (%a))@."
324
	 pp_machine_step_name m.mname.node_id
325
	 (Utils.fprintf_list ~sep:" " pp_type)
326
	 (List.map (fun v -> v.var_type) (step_vars machines m));
327

  
328
       Format.pp_print_newline fmt ();
329

  
330
      (* Adding assertions *)
331
       (match m.mstep.step_asserts with
332
       | [] ->
333
          begin
334
            (* Rule for init *)
335
            Format.fprintf fmt "@[<v 2>(rule (=> @ %a@ (%a %a)@]@.))@.@."
336
	                   (pp_conj (pp_instr true m.mname.node_id)) m.mstep.step_instrs
337
	                   pp_machine_init_name m.mname.node_id
338
	                   (Utils.fprintf_list ~sep:" " pp_var) (init_vars machines m);
339
            (* Rule for step*)
340
            Format.fprintf fmt "@[<v 2>(rule (=> @ %a@ (%a %a)@]@.))@.@."
341
                           (pp_conj (pp_instr false m.mname.node_id)) m.mstep.step_instrs
342
                           pp_machine_step_name m.mname.node_id
343
                           (Utils.fprintf_list ~sep:" " pp_var) (step_vars machines m);
344
          end
345
       | assertsl ->
346
          begin
347
	    let pp_val = pp_horn_val ~is_lhs:true m.mname.node_id pp_var in
348
            (* print_string pp_val; *)
349
            let instrs_concat = m.mstep.step_instrs in
350
            Format.fprintf fmt "; with Assertions @.";
351
            (*Rule for init*)
352
            Format.fprintf fmt "@[<v 2>(rule (=> @ (and @ %a@. %a)(%a %a)@]@.))@.@."
353
                           (pp_conj (pp_instr true m.mname.node_id)) instrs_concat
354
                           (pp_conj pp_val) assertsl
355
                           pp_machine_init_name m.mname.node_id
356
                           (Utils.fprintf_list ~sep:" " pp_var) (init_vars machines m);
357
            (*Rule for step*)
358
            Format.fprintf fmt "@[<v 2>(rule (=> @ (and @ %a@. %a)(%a %a)@]@.))@.@."
359
                           (pp_conj (pp_instr false m.mname.node_id)) instrs_concat
360
                           (pp_conj pp_val) assertsl
361
                           pp_machine_step_name m.mname.node_id
362
                           (Utils.fprintf_list ~sep:" " pp_var) (step_vars machines m);
363
          end
364
       );
365
     end
366
    end
367

  
368

  
369

  
370
let collecting_semantics machines fmt node machine =
371
    Format.fprintf fmt "; Collecting semantics for node %s@.@." node;
372
    (* We print the types of the main node "memory tree" TODO: add the output *)
373
    let main_output =
374
     rename_machine_list machine.mname.node_id machine.mstep.step_outputs
375
    in
376
    let main_output_dummy =
377
     rename_machine_list ("dummy" ^ machine.mname.node_id) machine.mstep.step_outputs
378
    in
379
    let main_memory_next =
380
      (rename_next_list (* machine.mname.node_id *) (full_memory_vars machines machine)) @
381
      main_output
382
    in
383
    let main_memory_current =
384
      (rename_current_list (* machine.mname.node_id *) (full_memory_vars machines machine)) @
385
      main_output_dummy
386
    in
387

  
388
    (* Special case when the main node is stateless *)
389
    let init_name, step_name =
390
      if is_stateless machine then
391
	pp_machine_stateless_name, pp_machine_stateless_name
392
      else
393
	pp_machine_init_name, pp_machine_step_name
394
    in
395

  
396
    Format.fprintf fmt "(declare-rel MAIN (%a))@."
397
      (Utils.fprintf_list ~sep:" " pp_type)
398
      (List.map (fun v -> v.var_type) main_memory_next);
399

  
400
    Format.fprintf fmt "; Initial set@.";
401
    Format.fprintf fmt "(declare-rel INIT_STATE ())@.";
402
    Format.fprintf fmt "(rule INIT_STATE)@.";
403
    Format.fprintf fmt "@[<v 2>(rule (=> @ (and @[<v 0>INIT_STATE@ (@[<v 0>%a %a@])@]@ )@ (MAIN %a)@]@.))@.@."
404
      init_name node
405
      (Utils.fprintf_list ~sep:" " pp_var) (init_vars machines machine)
406
      (Utils.fprintf_list ~sep:" " pp_var) main_memory_next ;
407

  
408
    Format.fprintf fmt "; Inductive def@.";
409
    (Utils.fprintf_list ~sep:" " (fun fmt v -> Format.fprintf fmt "%a@." pp_decl_var v)) fmt main_output_dummy;
410
    Format.fprintf fmt
411
      "@[<v 2>(rule (=> @ (and @[<v 0>(MAIN %a)@ (@[<v 0>%a %a@])@]@ )@ (MAIN %a)@]@.))@.@."
412
      (Utils.fprintf_list ~sep:" " pp_var) main_memory_current
413
      step_name node
414
      (Utils.fprintf_list ~sep:" " pp_var) (step_vars machines machine)
415
      (Utils.fprintf_list ~sep:" " pp_var) main_memory_next
416

  
417
let check_prop machines fmt node machine =
418
  let main_output =
419
    rename_machine_list machine.mname.node_id machine.mstep.step_outputs
420
  in
421
  let main_memory_next =
422
    (rename_next_list (full_memory_vars machines machine)) @ main_output
423
  in
424
  Format.fprintf fmt "; Property def@.";
425
  Format.fprintf fmt "(declare-rel ERR ())@.";
426
  Format.fprintf fmt "@[<v 2>(rule (=> @ (and @[<v 0>(not %a)@ (MAIN %a)@])@ ERR))@."
427
    (pp_conj pp_var) main_output
428
    (Utils.fprintf_list ~sep:" " pp_var) main_memory_next
429
    ;
430
   if !Options.horn_query then Format.fprintf fmt "(query ERR)@."
431

  
432

  
433
let cex_computation machines fmt node machine =
434
    Format.fprintf fmt "; CounterExample computation for node %s@.@." node;
435
    (* We print the types of the cex node "memory tree" TODO: add the output *)
436
    let cex_input =
437
     rename_machine_list machine.mname.node_id machine.mstep.step_inputs
438
    in
439
    let cex_input_dummy =
440
     rename_machine_list ("dummy" ^ machine.mname.node_id) machine.mstep.step_inputs
441
    in
442
    let cex_output =
443
     rename_machine_list machine.mname.node_id machine.mstep.step_outputs
444
    in
445
    let cex_output_dummy =
446
     rename_machine_list ("dummy" ^ machine.mname.node_id) machine.mstep.step_outputs
447
    in
448
    let cex_memory_next =
449
      cex_input @ (rename_next_list (full_memory_vars machines machine)) @ cex_output
450
    in
451
    let cex_memory_current =
452
      cex_input_dummy @ (rename_current_list (full_memory_vars machines machine)) @ cex_output_dummy
453
    in
454

  
455
    (* Special case when the cex node is stateless *)
456
    let init_name, step_name =
457
      if is_stateless machine then
458
	pp_machine_stateless_name, pp_machine_stateless_name
459
      else
460
	pp_machine_init_name, pp_machine_step_name
461
    in
462

  
463
    Format.fprintf fmt "(declare-rel CEX (Int %a))@.@."
464
      (Utils.fprintf_list ~sep:" " pp_type)
465
      (List.map (fun v -> v.var_type) cex_memory_next);
466

  
467
    Format.fprintf fmt "; Initial set@.";
468
    Format.fprintf fmt "@[<v 2>(rule (=> @ (and @[<v 0>INIT_STATE@ (@[<v 0>%a %a@])@]@ )@ (CEX 0 %a)@]@.))@.@."
469
      init_name node
470
      (Utils.fprintf_list ~sep:" " pp_var) (init_vars machines machine)
471
      (Utils.fprintf_list ~sep:" " pp_var) cex_memory_next ;
472

  
473
    Format.fprintf fmt "; Inductive def@.";
474
    (* Declare dummy inputs. Outputs should have been declared previously with collecting sem *)
475
    (Utils.fprintf_list ~sep:" " (fun fmt v -> Format.fprintf fmt "%a@." pp_decl_var v)) fmt cex_input_dummy;
476
    Format.fprintf fmt "(declare-var cexcpt Int)@.";
477
    Format.fprintf fmt
478
      "@[<v 2>(rule (=> @ (and @[<v 0>(CEX cexcpt %a)@ (@[<v 0>%a %a@])@]@ )@ (CEX (+ 1 cexcpt) %a)@]@.))@.@."
479
      (Utils.fprintf_list ~sep:" " pp_var) cex_memory_current
480
      step_name node
481
      (Utils.fprintf_list ~sep:" " pp_var) (step_vars machines machine)
482
      (Utils.fprintf_list ~sep:" " pp_var) cex_memory_next
483

  
484
let get_cex machines fmt node machine =
485
    let cex_input =
486
     rename_machine_list machine.mname.node_id machine.mstep.step_inputs
487
    in
488
    let cex_output =
489
     rename_machine_list machine.mname.node_id machine.mstep.step_outputs
490
    in
491
  let cex_memory_next =
492
    cex_input @ (rename_next_list (full_memory_vars machines machine)) @ cex_output
493
  in
494
  Format.fprintf fmt "; Property def@.";
495
  Format.fprintf fmt "(declare-rel CEXTRACE ())@.";
496
  Format.fprintf fmt "@[<v 2>(rule (=> @ (and @[<v 0>(not %a)@ (CEX cexcpt %a)@])@ CEXTRACE))@."
497
    (pp_conj pp_var) cex_output
498
    (Utils.fprintf_list ~sep:" " pp_var) cex_memory_next
499
    ;
500
  Format.fprintf fmt "(query CEXTRACE)@."
501

  
502 36

  
503 37
let main_print machines fmt =
504 38
if !Options.main_node <> "" then
505 39
  begin
506 40
    let node = !Options.main_node in
507 41
    let machine = get_machine machines node in
508

  
509

  
510
    collecting_semantics machines fmt node machine;
511
    check_prop machines fmt node machine;
512 42
    if !Options.horn_cex then(
513 43
      cex_computation machines fmt node machine;
514 44
      get_cex machines fmt node machine)
45
    else (
46
      collecting_semantics machines fmt node machine;
47
      check_prop machines fmt node machine;
48
    )
515 49
end
516 50

  
51
let print_type_definitions fmt =
52
  let cpt_type = ref 0 in
53
  Hashtbl.iter (fun typ decl ->
54
    match typ with
55
    | Tydec_const var ->
56
      (match decl.top_decl_desc with
57
      | TypeDef tdef -> (
58
	match tdef.tydef_desc with
59
	| Tydec_enum tl ->
60
	  incr cpt_type;
61
	  fprintf fmt "(declare-datatypes () ((%s %a)));@.@."
62
	    var
63
	    (Utils.fprintf_list ~sep:" " pp_print_string) tl
64
	| _ -> assert false
65
      )
66
      | _ -> assert false
67
      )
68
    | _        -> ()) type_table
69

  
517 70

  
518 71
let translate fmt basename prog machines =
72
  (* We print typedef *)
73
  print_type_definitions fmt;
519 74
  List.iter (print_machine machines fmt) (List.rev machines);
520 75
  main_print machines fmt
521 76

  
522

  
523
let traces_file fmt basename prog machines =
524

  
525
  Format.fprintf fmt
526
  "<?xml version=\"1.0\"?>\n<Traces xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n";
527

  
528
  (* We extract the annotation dealing with traceability *)
529
  let machines_traces = List.map (fun m ->
530
    let traces : (ident * expr) list=
531
      let all_annots = List.flatten (List.map (fun ann -> ann.annots) m.mannot) in
532
      let filtered =
533
	List.filter (fun (kwds, _) -> kwds = ["traceability"]) all_annots
534
      in
535
      let content = List.map snd filtered in
536
      (* Elements are supposed to be a pair (tuple): variable, expression *)
537
      List.map (fun ee ->
538
	match ee.eexpr_quantifiers, ee.eexpr_qfexpr.expr_desc with
539
	| [], Expr_tuple [v;e] -> (
540
	  match v.expr_desc with
541
	  | Expr_ident vid -> vid, e
542
	  | _ -> assert false )
543
	| _ -> assert false)
544
	content
545
    in
546

  
547
    m, traces
548

  
549
  ) machines
550
  in
551

  
552
  (* Compute memories associated to each machine *)
553
  let compute_mems m =
554
    let rec aux fst prefix m =
555
      (List.map (fun mem -> (prefix, mem)) m.mmemory) @
556
	List.fold_left (fun accu (id, (n, _)) ->
557
	  let name = node_name n in
558
	  if name = "_arrow" then accu else
559
	    let machine_n = get_machine machines name in
560
	    ( aux false ((id,machine_n)::prefix) machine_n )
561
	    @ accu
562
	) [] m.minstances
563
    in
564
    aux true [] m
565
  in
566

  
567
  List.iter (fun m ->
568
    (* Format.fprintf fmt "; Node %s@." m.mname.node_id; *)
569
    Format.fprintf fmt "    <Node name=\"%s\">@." m.mname.node_id;
570

  
571
    let memories_old =
572
      List.map (fun (p, v) ->
573
	let machine = match p with | [] -> m | (_,m')::_ -> m' in
574
	let traces = List.assoc machine machines_traces in
575
	if List.mem_assoc v.var_id traces then (
576
	  (* We take the expression associated to variable v in the trace info *)
577
	  (* Format.eprintf "Found variable %a in traces: %a@."  pp_var v Printers.pp_expr (List.assoc v.var_id traces); *)
578
	  p, List.assoc v.var_id traces
579
      )
580
	else (
581
	  (* We keep the variable as is: we create an expression v *)
582
	  (* Format.eprintf "Unable to found variable %a in traces (%a)@."  pp_var v (Utils.fprintf_list ~sep:", " Format.pp_print_string) (List.map fst traces); *)
583
	  p, mkexpr Location.dummy_loc (Expr_ident v.var_id)
584
	)
585

  
586
      ) (compute_mems m)
587
    in
588
    let memories_next = (* We remove the topest pre in each expression *)
589
      List.map
590
      	(fun (prefix, ee) ->
591
      	  match ee.expr_desc with
592
      	  | Expr_pre e -> prefix, e
593
      	  | _ -> Format.eprintf
594
      	    "Mem Failure: (prefix: %a, eexpr: %a)@.@?"
595
      	    (Utils.fprintf_list ~sep:","
596
      	       (fun fmt (id,n) -> fprintf fmt "(%s,%s)" id n.mname.node_id ))
597
      	    (List.rev prefix)
598
      	    Printers.pp_expr ee;
599
      	    assert false)
600
	memories_old
601
    in
602

  
603
    (* let pp_prefix_rev fmt prefix = *)
604
    (*   Utils.fprintf_list ~sep:"." (fun fmt (id,n) -> fprintf fmt "(%s,%s)" id n.mname.node_id) fmt (List.rev prefix) *)
605
    (* in *)
606

  
607
    let pp_prefix_rev fmt prefix =
608
      Utils.fprintf_list ~sep:"." (fun fmt (id,n) -> fprintf fmt "(%s,%s)" id n.mname.node_id) fmt (List.rev prefix)
609
    in
610

  
611
    let input_vars = (rename_machine_list m.mname.node_id m.mstep.step_inputs) in
612
    let output_vars = (rename_machine_list m.mname.node_id m.mstep.step_outputs) in
613
     Format.fprintf fmt "     <input name=\"%a\" type=\"%a\">%a</input> @."
614
                   (Utils.fprintf_list ~sep:" | " pp_var) input_vars
615
                   (Utils.fprintf_list ~sep:" | "  (fun fmt id -> pp_type fmt id.var_type)) input_vars
616
                   (Utils.fprintf_list ~sep:" | " pp_var) (m.mstep.step_inputs);
617

  
618
    Format.fprintf fmt "      <output name=\"%a\" type=\"%a\">%a</output> @."
619
                   (Utils.fprintf_list ~sep:" | " pp_var)  output_vars
620
                   (Utils.fprintf_list ~sep:" | "  (fun fmt id -> pp_type fmt id.var_type)) output_vars
621
                   (Utils.fprintf_list ~sep:" | " pp_var) (m.mstep.step_outputs);
622

  
623
    let init_local_vars = (rename_next_list (full_memory_vars machines m)) in
624
    let step_local_vars = (rename_current_list (full_memory_vars machines m)) in
625

  
626
    Format.fprintf fmt "      <localInit name=\"%a\" type=\"%a\">%t%a</localInit> @."
627
                   (Utils.fprintf_list ~sep:" | " pp_var) init_local_vars
628
                   (Utils.fprintf_list ~sep:" | "  (fun fmt id -> pp_type fmt id.var_type)) init_local_vars
629
                   (fun fmt -> match memories_next with [] -> () | _ -> fprintf fmt "")
630
                   (Utils.fprintf_list ~sep:" | " (fun fmt (prefix, ee) -> fprintf fmt "%a" Printers.pp_expr ee)) memories_next;
631

  
632
    Format.fprintf fmt "      <localStep name=\"%a\" type=\"%a\">%t%a</localStep> @."
633
                   (Utils.fprintf_list ~sep:" | " pp_var) step_local_vars
634
                   (Utils.fprintf_list ~sep:" | "  (fun fmt id -> pp_type fmt id.var_type)) step_local_vars
635
                   (fun fmt -> match memories_old with [] -> () | _ -> fprintf fmt "")
636
                     (Utils.fprintf_list ~sep:" | " (fun fmt (prefix,ee) -> fprintf fmt "(%a)"
637
                                    Printers.pp_expr ee)) (memories_old);
638

  
639
     Format.fprintf fmt "    </Node>@.";
640

  
641
  ) (List.rev machines);
642
  Format.fprintf fmt "</Traces>@.";
643

  
644
          (* (Utils.fprintf_list ~sep:" | " (fun fmt (prefix, ee) -> fprintf fmt "%a%a" pp_prefix_rev prefix Printers.pp_expr ee)) memories_next; *)
645
   (* (Utils.fprintf_list ~sep:" | " (fun fmt (prefix,ee) -> fprintf fmt "%a(%a)" *)
646
   (*                                  pp_prefix_rev prefix Printers.pp_expr ee)) (memories_old); *)
647

  
648 77
(* Local Variables: *)
649 78
(* compile-command:"make -C ../.." *)
650 79
(* End: *)

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