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Revision 3b2bd83d src/backends/C/c_backend_src.ml

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src/backends/C/c_backend_src.ml
30 30
(*                    Instruction Printing functions                                        *)
31 31
(********************************************************************************************)
32 32

  
33

  
34 33
(* Computes the depth to which multi-dimension array assignments should be expanded.
35 34
   It equals the maximum number of nested static array constructions accessible from root [v].
36 35
*)
37
let rec expansion_depth v =
38
 match v with
39
 | Cst (Const_array cl) -> 1 + List.fold_right (fun c -> max (expansion_depth (Cst c))) cl 0
40
 | Cst _
41
 | LocalVar _
42
 | StateVar _  -> 0
43
 | Fun (_, vl) -> List.fold_right (fun v -> max (expansion_depth v)) vl 0
44
 | Array vl    -> 1 + List.fold_right (fun v -> max (expansion_depth v)) vl 0
45
 | Access (v, i) -> max 0 (expansion_depth v - 1)
46
 | Power (v, n)  -> 0 (*1 + expansion_depth v*)
47

  
48
let rec merge_static_loop_profiles lp1 lp2 =
49
  match lp1, lp2 with
50
  | []      , _        -> lp2
51
  | _       , []       -> lp1
52
  | p1 :: q1, p2 :: q2 -> (p1 || p2) :: merge_static_loop_profiles q1 q2
36
  let rec expansion_depth v =
37
    match v.value_desc with
38
    | Cst cst -> expansion_depth_cst cst
39
    | LocalVar _
40
    | StateVar _  -> 0
41
    | Fun (_, vl) -> List.fold_right (fun v -> max (expansion_depth v)) vl 0
42
    | Array vl    -> 1 + List.fold_right (fun v -> max (expansion_depth v)) vl 0
43
    | Access (v, i) -> max 0 (expansion_depth v - 1)
44
    | Power (v, n)  -> 0 (*1 + expansion_depth v*)
45
  and expansion_depth_cst c = 
46
    match c with
47
      Const_array cl -> 1 + List.fold_right (fun c -> max (expansion_depth_cst c)) cl 0
48
    | _ -> 0
49
  
50
  let rec merge_static_loop_profiles lp1 lp2 =
51
    match lp1, lp2 with
52
    | []      , _        -> lp2
53
    | _       , []       -> lp1
54
    | p1 :: q1, p2 :: q2 -> (p1 || p2) :: merge_static_loop_profiles q1 q2
53 55

  
54 56
(* Returns a list of bool values, indicating whether the indices must be static or not *)
55
let rec static_loop_profile v =
56
 match v with
57
 | Cst (Const_array cl) ->
58
   List.fold_right (fun c lp -> merge_static_loop_profiles lp (static_loop_profile (Cst c))) cl []
59
 | Cst _
60
 | LocalVar _
61
 | StateVar _  -> []
62
 | Fun (_, vl) -> List.fold_right (fun v lp -> merge_static_loop_profiles lp (static_loop_profile v)) vl []
63
 | Array vl    -> true :: List.fold_right (fun v lp -> merge_static_loop_profiles lp (static_loop_profile v)) vl []
64
 | Access (v, i) -> (match (static_loop_profile v) with [] -> [] | _ :: q -> q)
65
 | Power (v, n)  -> false :: static_loop_profile v
66

  
57
  let rec static_loop_profile v =
58
    match v.value_desc with
59
    | Cst cst  -> static_loop_profile_cst cst
60
    | LocalVar _
61
    | StateVar _  -> []
62
    | Fun (_, vl) -> List.fold_right (fun v lp -> merge_static_loop_profiles lp (static_loop_profile v)) vl []
63
    | Array vl    -> true :: List.fold_right (fun v lp -> merge_static_loop_profiles lp (static_loop_profile v)) vl []
64
    | Access (v, i) -> (match (static_loop_profile v) with [] -> [] | _ :: q -> q)
65
    | Power (v, n)  -> false :: static_loop_profile v
66
  and static_loop_profile_cst cst =
67
    match cst with
68
      Const_array cl -> List.fold_right 
69
	(fun c lp -> merge_static_loop_profiles lp (static_loop_profile_cst c))
70
	cl 
71
	[]
72
    | _ -> [] 
73
  
74
  
67 75
let rec is_const_index v =
68
  match v with
76
  match v.value_desc with
69 77
  | Cst (Const_int _) -> true
70 78
  | Fun (_, vl)       -> List.for_all is_const_index vl
71 79
  | _                 -> false
......
108 116
 match snd lv with
109 117
 | LVar v -> fprintf fmt "[%s]" v
110 118
 | LInt r -> fprintf fmt "[%d]" !r
111
 | LAcc i -> fprintf fmt "[%a]" pp_c_dimension (dimension_of_value i)
119
 | LAcc i -> fprintf fmt "[%a]" pp_val i
112 120

  
113 121
(* Prints a suffix of loop variables for arrays *)
114 122
let pp_suffix fmt loop_vars =
......
121 129
(* Prints a constant value before a suffix (needs casting) *)
122 130
let rec pp_c_const_suffix var_type fmt c =
123 131
  match c with
124
    | Const_int i     -> pp_print_int fmt i
125
    | Const_real r    -> pp_print_string fmt r
126
    | Const_float r   -> pp_print_float fmt r
127
    | Const_tag t     -> pp_c_tag fmt t
128
    | Const_array ca  -> let var_type = Types.array_element_type var_type in
129
                         fprintf fmt "(%a[]){%a }" (pp_c_type "") var_type (Utils.fprintf_list ~sep:", " (pp_c_const_suffix var_type)) ca
130
    | Const_struct fl -> fprintf fmt "{%a }" (Utils.fprintf_list ~sep:", " (fun fmt (f, c) -> (pp_c_const_suffix (Types.struct_field_type var_type f)) fmt c)) fl
131
    | Const_string _ -> assert false (* string occurs in annotations not in C *)
132
    | Const_int i          -> pp_print_int fmt i
133
    | Const_real (_, _, s) -> pp_print_string fmt s
134
    | Const_tag t          -> pp_c_tag fmt t
135
    | Const_array ca       -> let var_type = Types.array_element_type var_type in
136
                              fprintf fmt "(%a[]){%a }" (pp_c_type "") var_type (Utils.fprintf_list ~sep:", " (pp_c_const_suffix var_type)) ca
137
    | Const_struct fl       -> fprintf fmt "{%a }" (Utils.fprintf_list ~sep:", " (fun fmt (f, c) -> (pp_c_const_suffix (Types.struct_field_type var_type f)) fmt c)) fl
138
    | Const_string _        -> assert false (* string occurs in annotations not in C *)
132 139

  
133 140

  
134 141
(* Prints a [value] of type [var_type] indexed by the suffix list [loop_vars] *)
135 142
let rec pp_value_suffix self var_type loop_vars pp_value fmt value =
136
(*Format.eprintf "pp_value_suffix: %a %a %a@." Types.print_ty var_type Machine_code.pp_val value pp_suffix loop_vars;*)
137
 match loop_vars, value with
143
 (*Format.eprintf "pp_value_suffix: %a %a %a@." Types.print_ty var_type Machine_code.pp_val value pp_suffix loop_vars;*)
144
 match loop_vars, value.value_desc with
138 145
 | (x, LAcc i) :: q, _ when is_const_index i ->
139 146
   let r = ref (Dimension.size_const_dimension (Machine_code.dimension_of_value i)) in
140 147
   pp_value_suffix self var_type ((x, LInt r)::q) pp_value fmt value
141 148
 | (_, LInt r) :: q, Cst (Const_array cl) ->
142 149
   let var_type = Types.array_element_type var_type in
143
   pp_value_suffix self var_type q pp_value fmt (Cst (List.nth cl !r))
150
   pp_value_suffix self var_type q pp_value fmt (mk_val (Cst (List.nth cl !r)) Type_predef.type_int)
144 151
 | (_, LInt r) :: q, Array vl      ->
145 152
   let var_type = Types.array_element_type var_type in
146 153
   pp_value_suffix self var_type q pp_value fmt (List.nth vl !r)
......
171 178
   which may yield constant arrays in expressions.
172 179
   Type is needed to correctly print constant arrays.
173 180
 *)
174
let pp_c_val self pp_var fmt (t, v) =
175
  pp_value_suffix self t [] pp_var fmt v
181
let pp_c_val self pp_var fmt v =
182
  pp_value_suffix self v.value_type [] pp_var fmt v
183

  
184
let pp_basic_assign pp_var fmt typ var_name value =
185
  if Types.is_real_type typ && !Options.mpfr
186
  then
187
    Mpfr.pp_inject_assign pp_var fmt var_name value
188
  else
189
    fprintf fmt "%a = %a;" 
190
      pp_var var_name
191
      pp_var value
176 192

  
177 193
(* type_directed assignment: array vs. statically sized type
178 194
   - [var_type]: type of variable to be assigned
......
180 196
   - [value]: assigned value
181 197
   - [pp_var]: printer for variables
182 198
*)
183
(*
184
let pp_assign_rec pp_var var_type var_name value =
185
  match (Types.repr var_type).Types.tdesc, value with
186
  | Types.Tarray (d, ty'), Array vl     ->
187
    let szl = Utils.enumerate (Dimension.size_const_dimension d) in
188
    fprintf fmt "@[<v 2>{@,%a@]@,}"
189
      (Utils.fprintf_list ~sep:"@," (fun fmt i -> r := i; aux fmt q)) szl
190
  | Types.Tarray (d, ty'), Power (v, _) -> 
191
  | Types.Tarray (d, ty'), _            ->
192
  | _                    , _            ->
193
    fprintf fmt "%a = %a;" 
194
      pp_var var_name
195
      (pp_value_suffix self loop_vars pp_var) value
196
*)
197 199
let pp_assign m self pp_var fmt var_type var_name value =
198 200
  let depth = expansion_depth value in
199
(*Format.eprintf "pp_assign %a %a %a %d@." Types.print_ty var_type pp_val var_name pp_val value depth;*)
201
  (*Format.eprintf "pp_assign %a %a %a %d@." Types.print_ty var_type pp_val var_name pp_val value depth;*)
200 202
  let loop_vars = mk_loop_variables m var_type depth in
201 203
  let reordered_loop_vars = reorder_loop_variables loop_vars in
202
  let rec aux fmt vars =
204
  let rec aux typ fmt vars =
203 205
    match vars with
204 206
    | [] ->
205
      fprintf fmt "%a = %a;" 
206
	(pp_value_suffix self var_type loop_vars pp_var) var_name
207
	(pp_value_suffix self var_type loop_vars pp_var) value
207
       pp_basic_assign (pp_value_suffix self var_type loop_vars pp_var) fmt typ var_name value
208 208
    | (d, LVar i) :: q ->
209
(*eprintf "pp_aux %a %s@." Dimension.pp_dimension d i;*)
209
       let typ' = Types.array_element_type typ in
210
      (*eprintf "pp_aux %a %s@." Dimension.pp_dimension d i;*)
210 211
      fprintf fmt "@[<v 2>{@,int %s;@,for(%s=0;%s<%a;%s++)@,%a @]@,}"
211
	i i i Dimension.pp_dimension d i
212
	aux q
212
	i i i pp_c_dimension d i
213
	(aux typ') q
213 214
    | (d, LInt r) :: q ->
214
(*eprintf "pp_aux %a %d@." Dimension.pp_dimension d (!r);*)
215
      let szl = Utils.enumerate (Dimension.size_const_dimension d) in
216
      fprintf fmt "@[<v 2>{@,%a@]@,}"
217
	(Utils.fprintf_list ~sep:"@," (fun fmt i -> r := i; aux fmt q)) szl
215
       (*eprintf "pp_aux %a %d@." Dimension.pp_dimension d (!r);*)
216
       let typ' = Types.array_element_type typ in
217
       let szl = Utils.enumerate (Dimension.size_const_dimension d) in
218
       fprintf fmt "@[<v 2>{@,%a@]@,}"
219
	       (Utils.fprintf_list ~sep:"@," (fun fmt i -> r := i; aux typ' fmt q)) szl
218 220
    | _ -> assert false
219 221
  in
220 222
  begin
221 223
    reset_loop_counter ();
222 224
    (*reset_addr_counter ();*)
223
    aux fmt reordered_loop_vars
225
    aux var_type fmt reordered_loop_vars;
226
    (*Format.eprintf "end pp_assign@.";*)
224 227
  end
225 228

  
229
let pp_machine_reset (m: machine_t) self fmt inst =
230
  let (node, static) =
231
    try
232
      List.assoc inst m.minstances
233
    with Not_found -> (Format.eprintf "internal error: pp_machine_reset %s %s %s:@." m.mname.node_id self inst; raise Not_found) in
234
  fprintf fmt "%a(%a%t%s->%s);"
235
    pp_machine_reset_name (node_name node)
236
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
237
    (Utils.pp_final_char_if_non_empty ", " static)
238
    self inst
239

  
240
let pp_machine_init (m: machine_t) self fmt inst =
241
  let (node, static) =
242
    try
243
      List.assoc inst m.minstances
244
    with Not_found -> (Format.eprintf "internal error: pp_machine_init %s %s %s@." m.mname.node_id self inst; raise Not_found) in
245
  fprintf fmt "%a(%a%t%s->%s);"
246
    pp_machine_init_name (node_name node)
247
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
248
    (Utils.pp_final_char_if_non_empty ", " static)
249
    self inst
250

  
251
let pp_machine_clear (m: machine_t) self fmt inst =
252
  let (node, static) =
253
    try
254
      List.assoc inst m.minstances
255
    with Not_found -> (Format.eprintf "internal error: pp_machine_clear %s %s %s@." m.mname.node_id self inst; raise Not_found) in
256
  fprintf fmt "%a(%a%t%s->%s);"
257
    pp_machine_clear_name (node_name node)
258
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
259
    (Utils.pp_final_char_if_non_empty ", " static)
260
    self inst
261

  
226 262
let has_c_prototype funname dependencies =
227 263
  let imported_node_opt = (* We select the last imported node with the name funname.
228 264
			       The order of evaluation of dependencies should be
......
247 283
    match imported_node_opt with
248 284
    | None -> false
249 285
    | Some nd -> (match nd.nodei_prototype with Some "C" -> true | _ -> false)
250

  
286
(*
251 287
let pp_instance_call dependencies m self fmt i (inputs: value_t list) (outputs: var_decl list) =
252 288
  try (* stateful node instance *)
253 289
    let (n,_) = List.assoc i m.minstances in
......
278 314
	(Utils.fprintf_list ~sep:", " (pp_c_val self (pp_c_var_read m))) inputs
279 315
	(Utils.pp_final_char_if_non_empty ", " inputs) 
280 316
	(Utils.fprintf_list ~sep:", " (pp_c_var_write m)) outputs 
281

  
282
let pp_machine_reset (m: machine_t) self fmt inst =
283
  let (node, static) =
284
    try
285
      List.assoc inst m.minstances
286
    with Not_found -> (Format.eprintf "pp_machine_reset %s %s %s: internal error@," m.mname.node_id self inst; raise Not_found) in
287
  fprintf fmt "%a(%a%t%s->%s);"
288
    pp_machine_reset_name (node_name node)
289
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
290
    (Utils.pp_final_char_if_non_empty ", " static)
291
    self inst
292

  
317
*)
293 318
let rec pp_conditional dependencies (m: machine_t) self fmt c tl el =
294 319
  fprintf fmt "@[<v 2>if (%a) {%t%a@]@,@[<v 2>} else {%t%a@]@,}"
295
    (pp_c_val self (pp_c_var_read m)) (Type_predef.type_bool, c)
320
    (pp_c_val self (pp_c_var_read m)) c
296 321
    (Utils.pp_newline_if_non_empty tl)
297 322
    (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) tl
298 323
    (Utils.pp_newline_if_non_empty el)
......
300 325

  
301 326
and pp_machine_instr dependencies (m: machine_t) self fmt instr =
302 327
  match instr with 
328
  | MNoReset _ -> ()
303 329
  | MReset i ->
304 330
    pp_machine_reset m self fmt i
305 331
  | MLocalAssign (i,v) ->
306 332
    pp_assign
307 333
      m self (pp_c_var_read m) fmt
308
      i.var_type (LocalVar i) v
334
      i.var_type (mk_val (LocalVar i) i.var_type) v
309 335
  | MStateAssign (i,v) ->
310 336
    pp_assign
311 337
      m self (pp_c_var_read m) fmt
312
      i.var_type (StateVar i) v
313
  | MStep ([i0], i, vl) when Basic_library.is_internal_fun i  ->
314
    pp_machine_instr dependencies m self fmt (MLocalAssign (i0, Fun (i, vl)))
338
      i.var_type (mk_val (StateVar i) i.var_type) v
339
  | MStep ([i0], i, vl) when Basic_library.is_value_internal_fun (mk_val (Fun (i, vl)) i0.var_type)  ->
340
    pp_machine_instr dependencies m self fmt 
341
      (MLocalAssign (i0, mk_val (Fun (i, vl)) i0.var_type))
342
  | MStep ([i0], i, vl) when has_c_prototype i dependencies -> 
343
    fprintf fmt "%a = %s(%a);" 
344
      (pp_c_val self (pp_c_var_read m)) (mk_val (LocalVar i0) i0.var_type)
345
      i
346
      (Utils.fprintf_list ~sep:", " (pp_c_val self (pp_c_var_read m))) vl
347
  | MStep (il, i, vl) when Mpfr.is_homomorphic_fun i ->
348
    pp_instance_call m self fmt i vl il
315 349
  | MStep (il, i, vl) ->
316
    pp_instance_call dependencies m self fmt i vl il
350
    pp_basic_instance_call m self fmt i vl il
317 351
  | MBranch (_, []) -> (Format.eprintf "internal error: C_backend_src.pp_machine_instr %a@." pp_instr instr; assert false)
318 352
  | MBranch (g, hl) ->
319 353
    if let t = fst (List.hd hl) in t = tag_true || t = tag_false
......
323 357
      let el = try List.assoc tag_false hl with Not_found -> [] in
324 358
      pp_conditional dependencies m self fmt g tl el
325 359
    else (* enum type case *)
326
      let g_typ = Typing.type_const Location.dummy_loc (Const_tag (fst (List.hd hl))) in
360
      (*let g_typ = Typing.type_const Location.dummy_loc (Const_tag (fst (List.hd hl))) in*)
327 361
      fprintf fmt "@[<v 2>switch(%a) {@,%a@,}@]"
328
	(pp_c_val self (pp_c_var_read m)) (g_typ, g)
362
	(pp_c_val self (pp_c_var_read m)) g
329 363
	(Utils.fprintf_list ~sep:"@," (pp_machine_branch dependencies m self)) hl
364
  | MComment s  -> 
365
      fprintf fmt "/*%s*/@ " s
366

  
330 367

  
331 368
and pp_machine_branch dependencies m self fmt (t, h) =
332
  fprintf fmt "@[<v 2>case %a:@,%a@,break;@]" pp_c_tag t (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) h
369
  fprintf fmt "@[<v 2>case %a:@,%a@,break;@]"
370
    pp_c_tag t
371
    (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) h
333 372

  
334 373

  
335 374
(********************************************************************************************)
......
337 376
(********************************************************************************************)
338 377

  
339 378
let print_const_def fmt cdecl =
340
  fprintf fmt "%a = %a;@." 
341
    (pp_c_type cdecl.const_id) cdecl.const_type
342
    pp_c_const cdecl.const_value 
379
  if !Options.mpfr && Types.is_real_type (Types.array_base_type cdecl.const_type)
380
  then
381
    fprintf fmt "%a;@." 
382
      (pp_c_type cdecl.const_id) (Types.dynamic_type cdecl.const_type) 
383
  else
384
    fprintf fmt "%a = %a;@." 
385
      (pp_c_type cdecl.const_id) cdecl.const_type
386
      pp_c_const cdecl.const_value 
343 387

  
344 388

  
345 389
let print_alloc_instance fmt (i, (m, static)) =
......
374 418
    (Utils.fprintf_list ~sep:"" print_alloc_array) array_mem
375 419
    (Utils.fprintf_list ~sep:"" print_alloc_instance) m.minstances
376 420

  
421
let print_stateless_init_code dependencies fmt m self =
422
  let minit = List.map (function MReset i -> i | _ -> assert false) m.minit in
423
  let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
424
  fprintf fmt "@[<v 2>%a {@,%a%t%a%t%a%treturn;@]@,}@.@."
425
    (print_init_prototype self) (m.mname.node_id, m.mstatic)
426
    (* array mems *) 
427
    (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
428
    (Utils.pp_final_char_if_non_empty ";@," array_mems)
429
    (* memory initialization *)
430
    (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mmemory
431
    (Utils.pp_newline_if_non_empty m.mmemory)
432
    (* sub-machines initialization *)
433
    (Utils.fprintf_list ~sep:"@," (pp_machine_init m self)) minit
434
    (Utils.pp_newline_if_non_empty m.minit)
435

  
436
let print_stateless_clear_code dependencies fmt m self =
437
  let minit = List.map (function MReset i -> i | _ -> assert false) m.minit in
438
  let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
439
  fprintf fmt "@[<v 2>%a {@,%a%t%a%t%a%treturn;@]@,}@.@."
440
    (print_clear_prototype self) (m.mname.node_id, m.mstatic)
441
    (* array mems *)
442
    (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
443
    (Utils.pp_final_char_if_non_empty ";@," array_mems)
444
    (* memory clear *)
445
    (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mmemory
446
    (Utils.pp_newline_if_non_empty m.mmemory)
447
    (* sub-machines clear*)
448
    (Utils.fprintf_list ~sep:"@," (pp_machine_clear m self)) minit
449
    (Utils.pp_newline_if_non_empty m.minit)
450

  
377 451
let print_stateless_code dependencies fmt m =
378 452
  let self = "__ERROR__" in
379 453
  if not (!Options.ansi && is_generic_node { top_decl_desc = Node m.mname; top_decl_loc = Location.dummy_loc; top_decl_owner = ""; top_decl_itf = false })
380 454
  then
381 455
    (* C99 code *)
382
    fprintf fmt "@[<v 2>%a {@,%a%t@,%a%a%t%t@]@,}@.@."
456
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t@,%a%a%t%a%t%t@]@,}@.@."
383 457
      print_stateless_prototype (m.mname.node_id, m.mstep.step_inputs, m.mstep.step_outputs)
384 458
      (* locals *)
385 459
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_local_var m)) m.mstep.step_locals
386 460
      (Utils.pp_final_char_if_non_empty ";@," m.mstep.step_locals)
461
      (* locals initialization *)
462
      (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mstep.step_locals
463
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
387 464
      (* check assertions *)
388 465
      (pp_c_checks self) m
389 466
      (* instrs *)
390 467
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) m.mstep.step_instrs
391 468
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
469
      (* locals clear *)
470
      (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mstep.step_locals
471
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
392 472
      (fun fmt -> fprintf fmt "return;")
393 473
  else
394 474
    (* C90 code *)
395 475
    let (gen_locals, base_locals) = List.partition (fun v -> Types.is_generic_type v.var_type) m.mstep.step_locals in
396 476
    let gen_calls = List.map (fun e -> let (id, _, _) = call_of_expr e in mk_call_var_decl e.expr_loc id) m.mname.node_gencalls in
397
    fprintf fmt "@[<v 2>%a {@,%a%t@,%a%a%t%t@]@,}@.@."
477
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t@,%a%a%t%a%t%t@]@,}@.@."
398 478
      print_stateless_prototype (m.mname.node_id, (m.mstep.step_inputs@gen_locals@gen_calls), m.mstep.step_outputs)
399 479
      (* locals *)
400 480
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_local_var m)) base_locals
401 481
      (Utils.pp_final_char_if_non_empty ";" base_locals)
482
      (* locals initialization *)
483
      (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mstep.step_locals
484
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
402 485
      (* check assertions *)
403 486
      (pp_c_checks self) m
404 487
      (* instrs *)
405 488
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) m.mstep.step_instrs
406 489
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
490
      (* locals clear *)
491
      (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mstep.step_locals
492
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
407 493
      (fun fmt -> fprintf fmt "return;")
408 494

  
409 495
let print_reset_code dependencies fmt m self =
......
417 503
    (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) m.minit
418 504
    (Utils.pp_newline_if_non_empty m.minit)
419 505

  
506
let print_init_code dependencies fmt m self =
507
  let minit = List.map (function MReset i -> i | _ -> assert false) m.minit in
508
  let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
509
  fprintf fmt "@[<v 2>%a {@,%a%t%a%t%a%treturn;@]@,}@.@."
510
    (print_init_prototype self) (m.mname.node_id, m.mstatic)
511
    (* array mems *) 
512
    (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
513
    (Utils.pp_final_char_if_non_empty ";@," array_mems)
514
    (* memory initialization *)
515
    (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mmemory
516
    (Utils.pp_newline_if_non_empty m.mmemory)
517
    (* sub-machines initialization *)
518
    (Utils.fprintf_list ~sep:"@," (pp_machine_init m self)) minit
519
    (Utils.pp_newline_if_non_empty m.minit)
520

  
521
let print_clear_code dependencies fmt m self =
522
  let minit = List.map (function MReset i -> i | _ -> assert false) m.minit in
523
  let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
524
  fprintf fmt "@[<v 2>%a {@,%a%t%a%t%a%treturn;@]@,}@.@."
525
    (print_clear_prototype self) (m.mname.node_id, m.mstatic)
526
    (* array mems *)
527
    (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
528
    (Utils.pp_final_char_if_non_empty ";@," array_mems)
529
    (* memory clear *)
530
    (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mmemory
531
    (Utils.pp_newline_if_non_empty m.mmemory)
532
    (* sub-machines clear*)
533
    (Utils.fprintf_list ~sep:"@," (pp_machine_clear m self)) minit
534
    (Utils.pp_newline_if_non_empty m.minit)
535

  
420 536
let print_step_code dependencies fmt m self =
421 537
  if not (!Options.ansi && is_generic_node { top_decl_desc = Node m.mname; top_decl_loc = Location.dummy_loc; top_decl_owner = ""; top_decl_itf = false })
422 538
  then
423 539
    (* C99 code *)
424 540
    let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
425
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t@,%a%a%t%t@]@,}@.@."
541
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t%a%t@,%a%a%t%a%t%t@]@,}@.@."
426 542
      (print_step_prototype self) (m.mname.node_id, m.mstep.step_inputs, m.mstep.step_outputs)
427 543
      (* locals *)
428 544
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_local_var m)) m.mstep.step_locals
......
430 546
      (* array mems *)
431 547
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
432 548
      (Utils.pp_final_char_if_non_empty ";@," array_mems)
549
      (* locals initialization *)
550
      (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mstep.step_locals
551
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
433 552
      (* check assertions *)
434 553
      (pp_c_checks self) m
435 554
      (* instrs *)
436 555
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) m.mstep.step_instrs
437 556
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
557
      (* locals clear *)
558
      (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mstep.step_locals
559
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
438 560
      (fun fmt -> fprintf fmt "return;")
439 561
  else
440 562
    (* C90 code *)
441 563
    let (gen_locals, base_locals) = List.partition (fun v -> Types.is_generic_type v.var_type) m.mstep.step_locals in
442 564
    let gen_calls = List.map (fun e -> let (id, _, _) = call_of_expr e in mk_call_var_decl e.expr_loc id) m.mname.node_gencalls in
443
    fprintf fmt "@[<v 2>%a {@,%a%t@,%a%a%t%t@]@,}@.@."
565
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t@,%a%a%t%a%t%t@]@,}@.@."
444 566
      (print_step_prototype self) (m.mname.node_id, (m.mstep.step_inputs@gen_locals@gen_calls), m.mstep.step_outputs)
445 567
      (* locals *)
446 568
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_local_var m)) base_locals
447 569
      (Utils.pp_final_char_if_non_empty ";" base_locals)
570
      (* locals initialization *)
571
      (Utils.fprintf_list ~sep:"@," (pp_initialize m self (pp_c_var_read m))) m.mstep.step_locals
572
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
448 573
      (* check assertions *)
449 574
      (pp_c_checks self) m
450 575
      (* instrs *)
451 576
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr dependencies m self)) m.mstep.step_instrs
452 577
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
578
      (* locals clear *)
579
      (Utils.fprintf_list ~sep:"@," (pp_clear m self (pp_c_var_read m))) m.mstep.step_locals
580
      (Utils.pp_newline_if_non_empty m.mstep.step_locals)
453 581
      (fun fmt -> fprintf fmt "return;")
454 582

  
455 583

  
......
457 585
(*                     MAIN C file Printing functions                                       *)
458 586
(********************************************************************************************)
459 587

  
588
let print_global_init_code fmt basename prog dependencies =
589
  let baseNAME = file_to_module_name basename in
590
  let constants = List.map const_of_top (get_consts prog) in
591
  fprintf fmt "@[<v 2>%a {@,static _Bool init = 0;@,@[<v 2>if (!init) { @,init = 1;@,%a%t%a@]@,}@,return;@]@,}@.@."
592
    print_global_init_prototype baseNAME
593
    (* constants *) 
594
    (Utils.fprintf_list ~sep:"@," (pp_const_initialize (pp_c_var_read Machine_code.empty_machine))) constants
595
    (Utils.pp_final_char_if_non_empty "@," dependencies)
596
    (* dependencies initialization *)
597
    (Utils.fprintf_list ~sep:"@," print_import_init) dependencies
598

  
599
let print_global_clear_code  fmt basename prog dependencies =
600
  let baseNAME = file_to_module_name basename in
601
  let constants = List.map const_of_top (get_consts prog) in
602
  fprintf fmt "@[<v 2>%a {@,static _Bool clear = 0;@,@[<v 2>if (!clear) { @,clear = 1;@,%a%t%a@]@,}@,return;@]@,}@.@."
603
    print_global_clear_prototype baseNAME
604
    (* constants *) 
605
    (Utils.fprintf_list ~sep:"@," (pp_const_clear (pp_c_var_read Machine_code.empty_machine))) constants
606
    (Utils.pp_final_char_if_non_empty "@," dependencies)
607
    (* dependencies initialization *)
608
    (Utils.fprintf_list ~sep:"@," print_import_clear) dependencies
609

  
460 610
let print_machine dependencies fmt m =
461 611
  if fst (get_stateless_status m) then
462 612
    begin
......
477 627
      (* Reset function *)
478 628
      print_reset_code dependencies fmt m self;
479 629
      (* Step function *)
480
      print_step_code dependencies fmt m self
630
      print_step_code dependencies fmt m self;
631
      
632
      if !Options.mpfr then
633
	begin
634
          (* Init function *)
635
	  print_init_code dependencies fmt m self;
636
          (* Clear function *)
637
	  print_clear_code dependencies fmt m self;
638
	end
481 639
    end
482 640

  
641
let print_import_standard source_fmt =
642
  begin
643
    fprintf source_fmt "#include <assert.h>@.";
644
    if not !Options.static_mem then
645
      begin
646
	fprintf source_fmt "#include <stdlib.h>@.";
647
      end;
648
    if !Options.mpfr then
649
      begin
650
	fprintf source_fmt "#include <mpfr.h>@.";
651
      end
652
  end
483 653

  
484 654
let print_lib_c source_fmt basename prog machines dependencies =
485

  
486
  fprintf source_fmt "#include <assert.h>@.";
487
  if not !Options.static_mem then
488
    begin
489
      fprintf source_fmt "#include <stdlib.h>@.";
490
    end;
655
  print_import_standard source_fmt;
491 656
  print_import_prototype source_fmt (Dep (true, basename, [], true (* assuming it is stateful *)));
492 657
  pp_print_newline source_fmt ();
493 658
  (* Print the svn version number and the supported C standard (C90 or C99) *)
......
502 667
  fprintf source_fmt "@[<v>";
503 668
  List.iter (fun c -> print_const_def source_fmt (const_of_top c)) (get_consts prog);
504 669
  fprintf source_fmt "@]@.";
505

  
670
  if !Options.mpfr then
671
    begin
672
      fprintf source_fmt "/* Global constants initialization */@.";
673
      print_global_init_code source_fmt basename prog dependencies;
674
      fprintf source_fmt "/* Global constants clearing */@.";
675
      print_global_clear_code source_fmt basename prog dependencies;
676
    end;
506 677
  if not !Options.static_mem then
507 678
    begin
508 679
      fprintf source_fmt "/* External allocation function prototypes */@.";

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