Project

General

Profile

Download (11.6 KB) Statistics
| Branch: | Tag: | Revision:
1
open LustreSpec 
2
open Corelang 
3
open Machine_code
4

    
5
(* (variable, node name, node instance) *)
6
type scope_t = (var_decl * string * string option) list * var_decl
7

    
8

    
9
let scope_to_sl ((sl, v) : scope_t) : string list=
10
  List.fold_right (
11
    fun (v, nodename, _) accu -> 
12
      v.var_id :: nodename :: accu
13
  ) sl [v.var_id]
14

    
15
let get_node name prog =
16
  let node_opt = List.fold_left
17
    (fun res top -> 
18
      match res, top.top_decl_desc with
19
      | Some _, _ -> res
20
      | None, Node nd -> 
21
	(* Format.eprintf "Checking node %s = %s: %b@." nd.node_id name (nd.node_id = name); *)
22
	if nd.node_id = name then Some nd else res
23
      | _ -> None) 
24
    None prog 
25
  in
26
  try 
27
    Utils.desome node_opt
28
  with Utils.DeSome -> raise Not_found
29

    
30
let get_machine name machines =
31
  try
32
    List.find (fun m -> m.mname.node_id = name) machines
33
  with Not_found -> raise Not_found
34

    
35
let rec compute_scopes prog main_node : scope_t list =
36

    
37
  (* Format.eprintf "Compute scope of %s@." main_node; *)
38
  try
39
    let node =  get_node main_node prog in    
40
    let all_vars = node.node_inputs @ node.node_locals @  node.node_outputs in
41
    let local_vars = node.node_inputs @ node.node_locals in
42
    let local_scopes = List.map (fun x -> [], x) local_vars  in
43
    let sub_scopes =
44
      let sub_nodes =
45
	List.fold_left 
46
	  (fun res s -> 
47
	    match s with 
48
	    | Eq ({ eq_rhs ={ expr_desc = Expr_appl (nodeid, _, _); _}; _ } as eq) -> 
49
	      (* Obtaining the var_del associated to the first var of eq_lhs *)
50
	      (
51
		try
52
		  let query v = v.var_id = List.hd eq.eq_lhs in
53
		  let vid = List.find query all_vars in
54
		  (nodeid, vid)::res
55
		with Not_found -> Format.eprintf "eq=%a@.local_vars=%a@." Printers.pp_node_eq eq (Utils.fprintf_list ~sep:"," Printers.pp_var) local_vars; assert false 
56
	      )
57
	    | Eq _ -> res
58
	    | _ -> assert false (* TODO deal with Automaton *)
59
	  ) [] node.node_stmts
60
      in
61
      List.map (fun (nodeid, vid) ->
62
	let scopes = compute_scopes prog nodeid in
63
	List.map (fun (sl,v) -> (vid, nodeid, None)::sl, v) scopes (* instances are not yet known, hence the None *)
64
      ) sub_nodes
65
    in
66
    local_scopes @ (List.flatten sub_scopes) 
67
  with Not_found ->  []
68

    
69

    
70
let print_scopes =
71
  Utils.fprintf_list ~sep:"@ " 
72
    (fun fmt ((_, v) as s) -> Format.fprintf fmt "%a: %a" 
73
      (Utils.fprintf_list ~sep:"." Format.pp_print_string )(scope_to_sl s)
74
      Types.print_ty v.var_type)
75
    
76
     
77
    
78

    
79
(* let print_path fmt p =  *)
80
(*   Utils.fprintf_list ~sep:"." (fun fmt (id, _) -> Format.pp_print_string fmt id) fmt p *)
81

    
82
let get_node_vdecl_of_name name node =
83
  try
84
    List.find 
85
      (fun v -> v.var_id = name) 
86
      (node.node_inputs  @ node.node_outputs  @ node.node_locals ) 
87
  with Not_found -> 
88
    Format.eprintf "Cannot find variable %s in node %s@." name node.node_id;
89
    assert false
90

    
91
let scope_path main_node_name prog machines all_scopes sl : scope_t =
92
  let rec get_path node id_list accu =
93
    match id_list, accu with
94
    | [id], (_, last_node, _)::_ -> (* last item, it should denote a local
95
				       memory variable (local var, memory or input *)
96
      let id_vdecl = 
97
	get_node_vdecl_of_name id (get_node last_node prog) 
98
      in
99
      List.rev accu, id_vdecl
100
    | varid::nodename::id_list_tl, _ -> (
101
      let e_machine = get_machine node.node_id machines in 
102
      (* Format.eprintf "Looking for def %s in call %s in machine %a@."  *)
103
      (* 	varid nodename *)
104
      (* 	Machine_code.pp_machine e_machine; *)
105
      let find_var = (fun v -> v.var_id = varid) in
106
      let instance = 
107
	List.find 
108
	  (fun i -> match i with 
109
	  | MStep(p, o, _) -> List.exists find_var p 
110
	  | _ -> false
111
	  ) 
112
	  e_machine.mstep.step_instrs 
113
      in
114
      try
115
	let variable, instance_node, instance_id = 
116
	  match instance with 
117
	  | MStep(p, o, _) -> 
118
	    (* Format.eprintf "Looking for machine %s@.@?" o; *)
119
	    let o_fun, _ = List.assoc o e_machine.mcalls in
120
	    if node_name o_fun = nodename then
121
	      List.hd p, o_fun, o 
122
	    else 
123
	      assert false
124
	  | _ -> assert false
125
	in
126
	let next_node = node_of_top instance_node in
127
	let accu = (variable, nodename, Some instance_id)::accu in
128
	(* Format.eprintf "Calling get path on %s@.@?" next_node.node_id; *)
129
	get_path next_node id_list_tl accu
130
      with Not_found -> Format.eprintf "toto@."; assert false
131
    )
132
    | _ -> assert false
133
  in
134
  let all_scopes_as_sl = List.map scope_to_sl all_scopes in
135
  if not (List.mem sl all_scopes_as_sl) then (
136
    Format.eprintf "%s is an invalid scope.@." (String.concat "." sl);
137
    exit 1
138
  )
139
  else (
140
    (* Format.eprintf "@.@.Required path: %s@." (String.concat "." sl) ;  *)
141
    let main_node = get_node main_node_name prog in
142
    let path, flow = (* Special treatment of first level flow *)
143
      match sl with 
144
      | [flow] -> let flow_var = get_node_vdecl_of_name flow main_node in
145
		  [], flow_var 
146
      | _ -> get_path main_node sl [] 
147
	
148
    in
149
    (* Format.eprintf "computed path: %a.%s@." print_path path flow.var_id; *)
150
    path, flow
151

    
152
  )
153

    
154
let check_scopes main_node_name prog machines all_scopes scopes =
155
  List.map
156
    (fun sl ->
157
      sl, scope_path main_node_name prog machines all_scopes sl 
158
    ) scopes
159

    
160
let scopes_def : string list list ref = ref []
161
let inputs = ref []
162

    
163
let option_show_scopes = ref false
164
let option_scopes = ref false
165
let option_all_scopes = ref true
166
let option_mem_scopes = ref false
167
let option_input_scopes = ref false
168

    
169
let scopes_map : (LustreSpec.ident list  * scope_t) list ref  = ref []
170

    
171
let register_scopes s = 
172
  option_all_scopes:=false; 
173
  let scope_list = Str.split (Str.regexp ", *") s in
174
  let scope_list = List.map (fun scope -> Str.split (Str.regexp "\\.") scope) scope_list in
175
  scopes_def := scope_list
176

    
177
let register_inputs s = 
178
  let input_list = Str.split (Str.regexp "[;]") s in
179
  let input_list = List.map (fun s -> match Str.split (Str.regexp "=") s with | [v;e] -> v, e | _ -> raise (Invalid_argument ("Input list error: " ^ s))) input_list in
180
  let input_list = List.map (fun (v, e) -> v, Str.split (Str.regexp "[;]") e) input_list in
181
  inputs := input_list
182

    
183

    
184
(* TODO: recuperer le type de "flow" et appeler le print correspondant 
185
   iterer sur path pour construire la suite des xx_mem._reg.yy_mem._reg......flow
186
par ex main_mem->n8->n9->_reg.flow
187
*)
188
let pp_scopes fmt scopes = 
189
  let rec scope_path (path, flow) accu = 
190
    match path with 
191
      | [] -> accu ^ "_reg." ^ flow.var_id, flow.var_type
192
      | (_, _, Some instance_id)::tl -> scope_path (tl, flow) ( accu ^ instance_id ^ "->" ) 
193
      | _ -> assert false
194
  in
195
  let scopes_vars = 
196
    List.map 
197
      (fun (sl, scope) -> 
198
	String.concat "." sl, scope_path scope "main_mem.") 
199
      scopes 
200
  in
201
  List.iter (fun (id, (var, typ)) -> 
202
    match (Types.repr typ).Types.tdesc with
203
      | Types.Tint -> Format.fprintf fmt "_put_int(\"%s\", %s);@ " id var
204
      | Types.Tbool -> Format.fprintf fmt "_put_bool(\"%s\", %s);@ " id var
205
      | Types.Treal when !Options.mpfr ->
206
	 Format.fprintf fmt "_put_double(\"%s\", mpfr_get_d(%s, %s));@ " id var (Mpfr.mpfr_rnd ())
207
      | Types.Treal -> Format.fprintf fmt "_put_double(\"%s\", %s);@ " id var
208
      | _ -> Format.eprintf "Impossible to print the _put_xx for type %a@.@?" Types.print_ty typ; assert false
209
  ) scopes_vars
210

    
211
let update_machine machine =
212
  let stateassign vdecl =
213
    MStateAssign (vdecl, mk_val (LocalVar vdecl) vdecl.var_type)
214
  in
215
  let local_decls = machine.mstep.step_inputs
216
    (* @ machine.mstep.step_outputs   *)
217
    @ machine.mstep.step_locals
218
  in
219
  { machine with
220
    mmemory = machine.mmemory @ local_decls;
221
    mstep = { 
222
      machine.mstep with 
223
        step_instrs = machine.mstep.step_instrs
224
        @ (MComment "Registering all flows")::(List.map stateassign local_decls)
225
          
226
    }
227
  }
228
    
229

    
230
module Plugin : PluginType.PluginType =
231
struct
232
  let name = "scopes"
233
  let is_active () = 
234
    !option_scopes
235
      
236
  let show_scopes () = 
237
    !option_show_scopes && (
238
      Compiler_common.check_main ();
239
      true)
240

    
241
  let options = [
242
    "-select", Arg.String register_scopes, "specifies which variables to log";
243
    "-input", Arg.String register_inputs, "specifies the simulation input";
244
    "-show-possible-scopes", Arg.Set option_show_scopes, "list possible variables to log";
245
    "-select-all", Arg.Set option_all_scopes, "select all possible variables to log";
246
    "-select-mem", Arg.Set option_mem_scopes, "select all memory variables to log";
247
    "-select-inputs", Arg.Set option_input_scopes, "select all input variables to log";
248
  ]
249

    
250
  let activate () = 
251
    option_scopes := true;
252
    Options.optimization := 0; (* no optimization *)
253
    
254
    (* Options.salsa_enabled := false; (\* No salsa *\) TODO *)
255
    ()
256

    
257
  let rec is_valid_path path nodename prog machines =
258
    let nodescopes = compute_scopes prog nodename in
259
    let m = get_machine nodename machines in
260
    match path with
261
    | [] -> assert false
262
    | [vid] -> let res = List.exists (fun v -> v.var_id = vid) (m.mmemory @ m.mstep.step_inputs @ m.mstep.step_locals) in
263
	       (* if not res then  *)
264
	       (* 	 Format.eprintf "Variable %s cannot be found in machine %s@.Local vars are %a@." vid m.mname.node_id *)
265
	       (* 	   (Utils.fprintf_list ~sep:", " Printers.pp_var) (m.mmemory @ m.mstep.step_inputs @ m.mstep.step_locals) *)
266
	       (* ; *)
267
	       res
268
	       
269
    | inst::nodename::path' -> (* We use the scopes computed on the prog artifact *)
270
      (* Format.eprintf "Path is %a@ Local scopes: @[<v>%a@ @]@."  *)
271
      (* 	(Utils.fprintf_list ~sep:"." Format.pp_print_string) path *)
272
      (* 	(Utils.fprintf_list ~sep:";@ " *)
273
      (* 	   (fun fmt scope ->  *)
274
      (* 	     Utils.fprintf_list ~sep:"." Format.pp_print_string fmt (scope_to_sl scope)) *)
275
      (* 	)  *)
276
      (* 	nodescopes; *)
277
      if List.mem path (List.map scope_to_sl nodescopes) then (
278
	(* Format.eprintf "Valid local path, checking underneath@."; *)
279
	is_valid_path path' nodename prog machines
280
      )
281
      else
282
	false
283

    
284
      (* let instok = List.exists (fun (inst', node) -> inst' = inst) m.minstances in *)
285
      (* if not instok then Format.eprintf "inst = %s@." inst; *)
286
      (* instok &&  *)
287
      (* let instnode = fst (snd (List.find (fun (inst', node) -> inst' = inst) m.minstances)) in *)
288
      (* is_valid_path path' (Corelang.node_of_top instnode).node_id prog machines *)
289

    
290
  let process_scopes main_node prog machines =
291
    let all_scopes = compute_scopes prog !Options.main_node in
292
    let selected_scopes = if !option_all_scopes then
293
	List.map (fun s -> scope_to_sl s) all_scopes
294
      else
295
	!scopes_def
296
    in
297
    (* Making sure all scopes are defined and were not removed by various
298
       optmizationq *)
299
    let selected_scopes = 
300
      List.filter 
301
	(fun sl -> 
302
	  let res = is_valid_path sl main_node prog machines in
303
	  if not res then
304
	    Format.eprintf "Scope %a is cancelled due to variable removal@." (Utils.fprintf_list ~sep:"." Format.pp_print_string) sl; 
305
	  res
306
	) 
307
	selected_scopes 
308
    in
309
    scopes_map := check_scopes main_node prog machines all_scopes selected_scopes;
310
    (* Each machine is updated with fresh memories and declared as stateful  *)
311
    let machines = List.map update_machine machines in
312
     machines
313

    
314
  let pp fmt = pp_scopes fmt !scopes_map
315

    
316
  let check_force_stateful () = true
317

    
318
  let refine_machine_code prog machine_code =
319
    if show_scopes () then
320
      begin
321
	let all_scopes = compute_scopes prog !Options.main_node in
322
      (* Printing scopes *)
323
      if !Options.verbose_level >= 1 then
324
	Format.printf "Possible scopes are:@   ";
325
	Format.printf "@[<v>%a@ @]@.@?" print_scopes all_scopes;
326
	exit 0
327
      end;
328
    if is_active () then
329
      process_scopes !Options.main_node prog machine_code
330
    else
331
      machine_code
332
	
333

    
334

    
335
  let c_backend_main_loop_body_suffix fmt () =
336
    if is_active () then
337
      begin
338
	Format.fprintf fmt "@ %t" pp 
339
      end;    
340
 
341
end
342
    
343
(* Local Variables: *)
344
(* compile-command:"make -C ../.." *)
345
(* End: *)
    (1-1/1)