ocarina_cmd.adb 46.9 KB
Newer Older
1
2
3
4
5
6
7
8
------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--                          O C A R I N A _ C M D                           --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
9
--          Copyright (C) 2004-2010, European Space Agency (ESA).           --
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. Ocarina is distributed  in  the  hope  that it will be    --
-- useful, but WITHOUT ANY WARRANTY;  without even the implied warranty of  --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General --
-- Public License for more details. You should have received  a copy of the --
-- GNU General Public License distributed with Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA.                                       --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable to be   --
-- covered  by the  GNU  General  Public  License. This exception does not  --
-- however invalidate  any other reasons why the executable file might be   --
-- covered by the GNU Public License.                                       --
--                                                                          --
--                 Ocarina is maintained by the Ocarina team                --
--                       (ocarina-users@listes.enst.fr)                     --
--                                                                          --
------------------------------------------------------------------------------

--  This program is used to drive Ocarina, it is a wrapper to all
--  functions provided by the library.

37
with Errors;    use Errors;
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
with Locations; use Locations;
with Namet;     use Namet;
with Output;    use Output;
with Types;     use Types;
with Utils;     use Utils;

with Ada.Command_Line; use Ada.Command_Line;
with Ada.Unchecked_Deallocation;
with Ada.Exceptions;   use Ada.Exceptions;
with Ada.IO_Exceptions;
with Ada.Text_IO;

with GNAT.Command_Line;         use GNAT.Command_Line;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.OS_Lib;               use GNAT.OS_Lib;

with Ocarina;                          use Ocarina;
with Ocarina.AADL_Values;              use Ocarina.AADL_Values;
with Ocarina.Analyzer;                 use Ocarina.Analyzer;
with Ocarina.Backends;                 use Ocarina.Backends;
58
with Ocarina.Backends.PO_HI_C;
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
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
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
with Ocarina.Backends.Execution_Tests;
use Ocarina.Backends.Execution_Tests;
with Ocarina.Configuration;            use Ocarina.Configuration;
with Ocarina.Files;                    use Ocarina.Files;
with Ocarina.Instances;                use Ocarina.Instances;
with Ocarina.Instances.Queries;        use Ocarina.Instances.Queries;
with Ocarina.ME_AADL.AADL_Tree.Nodes;  use Ocarina.ME_AADL.AADL_Tree.Nodes;
with Ocarina.ME_AADL.AADL_Tree.Nutils; use Ocarina.ME_AADL.AADL_Tree.Nutils;
with Ocarina.Options;                  use Ocarina.Options;
with Ocarina.Parser;                   use Ocarina.Parser;
with Ocarina.Property_Sets;            use Ocarina.Property_Sets;
with Ocarina.FE_AADL.Parser;           use Ocarina.FE_AADL.Parser;
with Ocarina.FE_REAL;                  use Ocarina.FE_REAL;
with Ocarina.ME_REAL.Tokens;
with Ocarina.Transfo.Fusions;          use Ocarina.Transfo.Fusions;
with Ocarina.Transfo.Move;             use Ocarina.Transfo.Move;
with Ocarina.Transfo.Optim;            use Ocarina.Transfo.Optim;

with Ocarina.ME_AADL.AADL_Instances.Nodes;

procedure Ocarina_Cmd is

   procedure Process_Command_Line
     (Root_System_Name  : out Name_Id;
      Success           : out Boolean);
   --  Process the command line to extract the options for the
   --  different modules of Ocarina.

   procedure Usage;
   --  Display a message describing the usage of Ocarina

   procedure Version;
   --  Display version information

   procedure Run_Command
     (Command_Name  :     String;
      Argument_List :     GNAT.OS_Lib.Argument_List;
      Success       : out Boolean);

   procedure Ocarina_Shell;
   --  Launch Ocarina interactive mode

   procedure Parse_Scenario_Files;
   --  Parse a set of scenario file and updates the global variable
   --  according to the extracted information.

   After_Scenario_Action : Action_Kind := Generate_Code;
   Standard_Input        : Boolean := True;
   AADL_Root             : Node_Id := No_Node;
   Success               : Boolean := True;
   File_Name             : Name_Id;
   Buffer                : Location;
   Language              : Name_Id;
   Position              : String_String_Maps.Cursor;

   -----------------
   -- Run_Command --
   -----------------

   procedure Run_Command
     (Command_Name  :     String;
      Argument_List :     GNAT.OS_Lib.Argument_List;
      Success       : out Boolean)
   is
      Path         : GNAT.OS_Lib.String_Access := Getenv ("PATH");
      Command_Path : GNAT.OS_Lib.String_Access := Locate_Exec_On_Path
        (Command_Name);
      Pid          : Process_Id;
      Out_Pid      : Process_Id := Invalid_Pid;
   begin
      --  First off, we put the 'bin' directory of the Ocarina
      --  installation at the top of the PATH envvironment variable.

      Get_Name_String (Installation_Directory);
      Add_Str_To_Name_Buffer ("bin");
      Add_Char_To_Name_Buffer (Path_Separator);
      Add_Str_To_Name_Buffer (Path.all);
      Setenv ("PATH", Name_Buffer (1 .. Name_Len));

      Free (Path);
      Path := Getenv ("PATH");

      --  Some debugging stuff

      pragma Debug (Write_Line ("Executing command:"));
      pragma Debug (Write_Line (" Name: " & Command_Name));
      pragma Debug (Write_Str  (" Args: "));
      for J in Argument_List'Range loop
         pragma Debug (Write_Str ("'" & Argument_List (J).all & "' "));
         null;
      end loop;
      pragma Debug (Write_Eol);
      pragma Debug (Write_Line ("Current directory: " & Get_Current_Dir));
      pragma Debug (Write_Line ("PATH=" & Path.all));

      Exit_On_Error (Command_Path = null, Command_Name & ": not found!");

      Pid := Non_Blocking_Spawn
        (Program_Name => Command_Path.all,
         Args         => Argument_List);

      --  Wait until the command achieves its execution

      while Out_Pid /= Pid loop
         Wait_Process (Out_Pid, Success);
         exit when Out_Pid = Pid or else Out_Pid = Invalid_Pid;
      end loop;

      if Out_Pid = Pid then
         if not Success then
            pragma Debug (Write_Line (Command_Path.all
                                      & " terminated unexpectedly"));
            null;
         end if;
      end if;

      Free (Path);
      Free (Command_Path);
   end Run_Command;

   -------------------
   -- Ocarina_Shell --
   -------------------

   procedure Ocarina_Shell is

      use Ada.Text_IO;

      function "+" (S : String) return String_Access;
      procedure Show_Help;
      procedure Free is new Ada.Unchecked_Deallocation (String, String_Access);
      function Next return String;
      function Argument (Index : Natural) return String_Access;
      function Count (Prompt : String := "> ") return Natural;

      Syntax_Error : exception;

      type Command is
        (Help,
         Analyze,
         Instantiate,
         Generate,
         Load,
         Status,
         Fusion,
         Move,
         Optimize,
         Brute_Optimize,
         Version,
         Quit);

      Args    : array (1 .. 16) of String_Access;
      Argc    : Natural;
      Line    : String (1 .. 1024);
      Last    : Natural;
      Scan    : Natural;
      Argv    : String_Access;
      Cmmd    : Command;
      Success : Boolean;

      ---------
      -- "+" --
      ---------

      function "+" (S : String) return String_Access is
      begin
         return new String'(S);
      end "+";

      ---------------
      -- Show_Help --
      ---------------

      Help_Messages : constant array (Command) of String_Access
        := (Help           => +"print this message",
            Analyze        => +"analyse model",
            Instantiate    => +"instantiate model",
            Generate       => +"generate code",
            Load           => +"load and parse file given as argument",
            Fusion         => +"fusion threads",
            Move           => +"move a thread",
            Optimize       => +"optimize model, using greedy algorithm",
            Brute_Optimize => +"optimize model, using brute force",
            Status         => +"print configuration",
            Version        => +"print Ocarina version information",
            Quit           => +"quit this shell");

      procedure Show_Help is
      begin
         for J in Help_Messages'Range loop
            Write_Line (J'Img & ASCII.HT & Help_Messages (J).all);
         end loop;
      end Show_Help;

      ------------------
      -- Print_Status --
      ------------------

      procedure Print_Status is
      begin
         Write_Line ("AADL version: " & Ocarina.AADL_Version'Img);
         Write_Line ("Library Path: "
                       & Get_Name_String (Default_Library_Path));
      end Print_Status;

      --------------
      -- Argument --
      --------------

      function Argument (Index : Natural) return String_Access is
      begin
         if Index > Argc then
            raise Constraint_Error;
         end if;
         return Args (Index);
      end Argument;

      -----------
      -- Count --
      -----------

      function Count (Prompt : String := "> ") return Natural is
      begin
         if Standard_Input then
            Put (Prompt);
         end if;

         begin
            Get_Line (Current_Input, Line, Last);
         exception
            when Ada.IO_Exceptions.End_Error =>
               --  This means the user hit CTRL-D or the script does
               --  not end with a QUIT command. Not harmful, we just
               --  simulate a QUIT.

               Argc := 1;
               if Args (Argc) /= null then
                  Free (Args (Argc));
               end if;
               Args (Argc) := new String'(Command'Image (Quit));
               return Argc;

            when E : others =>
               Write_Line ("raised "& Exception_Information (E));
               Write_Line (Exception_Message (E));
               raise;
         end;

         Scan := 1;
         Argc := 0;
         loop
            declare
               Arg : constant String := Next;
            begin
               exit when Arg = "";
               Argc := Argc + 1;
               if Args (Argc) /= null then
                  Free (Args (Argc));
               end if;
               Args (Argc) := new String'(Arg);
            end;
         end loop;
         return Argc;
      end Count;

      ----------
      -- Next --
      ----------

      function Next return String is
         use ASCII;

         F, L : Natural;
      begin
         while Scan <= Last
           and then (Line (Scan) = ' ' or else Line (Scan) = HT)
         loop
            Scan := Scan + 1;
         end loop;

         if Scan > Last then
            return "";
         end if;

         if Line (Scan) = '"' then -- "
            Scan := Scan + 1;
            F    := Scan;

            while Scan <= Last loop
               if Line (Scan) = '"' then --  "
                  L    := Scan - 1;
                  Scan := Scan + 1;
                  return Line (F .. L);

               elsif Line (Scan) = NUL then
                  return "";

               end if;

               Scan := Scan + 1;
            end loop;
            return "";

         else
            F := Scan;
            while Scan <= Last
              and then Line (Scan) /= ' '
              and then Line (Scan) /= HT
            loop
               L    := Scan;
               Scan := Scan + 1;
            end loop;
            return Line (F .. L);
         end if;
      end Next;

   begin
      if Standard_Input then
         Write_Line ("Ocarina shell, type help for information");
      end if;

      --  Console main loop: read inputs and process them

      <<Main>>
      loop
         Argc := Count;
         if Argc > 0
           and then Argument (1) /= null
           and then Argument (1).all (Argument (1).all'First) /= '#'
         then
            begin
               Argv := Argument (1);

               begin
                  Cmmd := Command'Value (Argv.all);
               exception when Constraint_Error =>
                  raise Syntax_Error;
               end;

               case Cmmd is
                  when Help =>
                     Show_Help;

                  when Analyze =>
                     Success := Analyze (Language, AADL_Root);
                     if not Success then
405
                        Write_Line ("Cannot analyze AADL specifications");
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
                     else
                        Write_Line ("Model analyzed sucessfully");
                     end if;

                  when Instantiate =>
                     if Argc = 2 then
                        Root_System_Name := To_Lower
                          (Get_String_Name (Argument (2).all));
                     end if;
                     AADL_Root := Instantiate_Model (AADL_Root);
                     if Present (AADL_Root) then
                        Write_Line ("Model instantiated sucessfully");
                     end if;

                  when Generate =>
                     if Argc /= 2 then
                        raise Syntax_Error;
                     end if;
                     Set_Current_Backend_Name (Argument (2).all);
                     Write_Line ("Generating code for "
                                 & Argument (2).all);
                     Generate_Code (AADL_Root);

                  when Load =>
                     if Argc /= 2 then
                        raise Syntax_Error;
                     end if;
                     Set_Str_To_Name_Buffer (Argument (2).all);

                     File_Name := Search_File (Name_Find);
                     if File_Name = No_Name then
                        Write_Line ("cannot find file "
                                      & Argument (2).all);
                        goto Main;
                     end if;

                     Buffer := Load_File (File_Name);
                     if File_Name = No_Name then
                        Write_Line ("cannot read file "
                                      & Argument (2).all);
                        goto Main;
                     end if;
                     AADL_Root := Parse (Language, AADL_Root, Buffer);
                     Exit_On_Error
                       (No (AADL_Root),
                        "cannot parse AADL specifications");

                     Write_Line
                       ("File " & Argument (2).all
                        & " loaded and parsed sucessfully");

                  when Brute_Optimize =>
                     declare
                        Instance_Root : Node_Id;
                     begin
                        Instance_Root := Instantiate_Model (AADL_Root);
                        Exit_On_Error (No (Instance_Root),
                                       "Cannot instantiate AADL models");

                        Ocarina.Transfo.Optim.Init (Instance_Root);

                        Exhaustive_Space_Exploration (Instance_Root, Success);
                        Exit_On_Error
                          (not Success,
                           "cannot perform brute optimization on model");

                        Set_Current_Backend_Name ("aadl");
                        Generate_Code (AADL_Root);
                     end;

                  when Optimize =>
                     declare
                        Instance_Root : Node_Id;
                     begin
                        Instance_Root := Instantiate_Model (AADL_Root);
                        Exit_On_Error (No (Instance_Root),
                                       "Cannot instantiate AADL models");

                        Ocarina.Transfo.Optim.Init (Instance_Root);

                        Greedy_Heuristic (Instance_Root, Success);
                        Exit_On_Error
                          (not Success,
                           "cannot perform optimization on model");

                        Set_Current_Backend_Name ("aadl");
                        Generate_Code (AADL_Root);
                     end;

                  when Fusion =>
                     declare
                        Thread_To_Fusion_1 : Name_Id := No_Name;
                        Thread_To_Fusion_2 : Name_Id := No_Name;
                        Owner_Process      : Name_Id := No_Name;
                        --  Transformation-related variables

                        AADL_Instance : Node_Id;
                        New_Thread    : Node_Id;
                        Success       : Boolean;
                     begin
                        AADL_Instance := Instantiate_Model (AADL_Root);
                        Exit_On_Error (No (AADL_Instance),
                                       "Cannot instantiate AADL models");

                        Owner_Process := Get_String_Name (Argument (2).all);
                        Thread_To_Fusion_1 := Get_String_Name
                          (Argument (3).all);
                        Thread_To_Fusion_2 := Get_String_Name
                          (Argument (4).all);

                        Fusion_Threads (AADL_Root,
                                        Owner_Process,
                                        Thread_To_Fusion_1,
                                        Thread_To_Fusion_2,
                                        New_Thread,
                                        Success);

                        Exit_On_Error (not Success,
                                       "Cannot fusion the AADL threads");

                        Set_Current_Backend_Name ("aadl");
                        Generate_Code (AADL_Root);
                     end;

                  when Move =>
                     declare
                        Thread_To_Move : Name_Id := No_Name;
                        Src_Process    : Name_Id := No_Name;
                        Dst_Process    : Name_Id := No_Name;
                        --  Transformation-related variables

                        AADL_Instance : Node_Id;
                     begin
                        AADL_Instance := Instantiate_Model (AADL_Root);
                        Exit_On_Error (No (AADL_Instance),
                                       "Cannot instantiate AADL models");

                        Thread_To_Move := Get_String_Name (Argument (2).all);
                        Src_Process := Get_String_Name (Argument (3).all);
                        Dst_Process := Get_String_Name (Argument (4).all);

                        Move_Thread (Thread_To_Move,
                                     Src_Process,
                                     Dst_Process);

                        Set_Current_Backend_Name ("aadl");
                        Generate_Code (AADL_Root);
                     end;

                  when Status =>
                     Print_Status;

                  when Version =>
                     Version;

                  when Quit =>
                     exit;
               end case;
            exception
               when Syntax_Error =>
                  Write_Line ("syntax error");

               when E : others =>
                  Write_Line ("raised "& Exception_Information (E));
                  Write_Line (Exception_Message (E));
            end;
         end if;
      end loop;
   end Ocarina_Shell;

   -------------------------
   -- Parse_Scenario_File --
   -------------------------

   --  Example of an AADL scenario:

   --  -----------------
   --  -- FILE_1.aadl --
   --  -----------------

   --  system RMA
   --  properties
   --    Ocarina_Config::AADL_Files => ("rma.aadl");
   --    --  "rma.aadl" contains common AADL components (processes,
   --    --  threads, data types)
   --
   --    Ocarina_Config::Needed_Property_Sets =>
   --      (value (Ocarina_Config::ARAO),
   --       value (Ocarina_Config::Cheddar_Properties));
   --    --  The non standard predefined property sets needed by the
   --    --  application.
   --  end RMA;

   --  -----------------
   --  -- FILE_2.aadl --
   --  -----------------

   --  system implementation RMA.Impl_C
   --  properties
   --    Ocarina_Config::AADL_Files +=> ("software_c.aadl");
   --    --  Note that this is an additive property
   --    --  association.
   --
   --    Ocarina_Config::Generator => PolyORB_HI_C;
   --    --  The code generator
   --  end RMA.Impl_C;

   --  -----------------
   --  -- FILE_3.aadl --
   --  -----------------

   --  system implementation RMA.Impl_Ada
   --  properties
   --    Source_Text +=> ("software_ada.aadl");
   --    --  Note that this is an additive property
   --    --  association.
   --
   --    Ocarina_Config::Generator => PolyORB_HI_Ada;
   --    --  The code generator
   --  end RMA.Impl_Ada;

   --  Calling the compiler on FILE_1.aadl and FILE_2.aadl will
   --  generate C code for the Poly_ORB-HI framework starting from
   --  "rma.aadl" and "software_c.aadl".

   --  Calling the compiler on FILE_1.aadl and FILE_3.aadl will
   --  generate Ada code for the Poly_ORB-HI framework starting from
   --  "rma.aadl" and "software_ada.aadl".

   procedure Parse_Scenario_Files is
636
637
638
639
640
641
642
643
644
      AADL_Root               : Node_Id := No_Node;
      Instance_Root           : Node_Id := No_Node;
      Root_System             : Node_Id := No_Node;
      Source_Files            : List_Id;
      Ref_Files               : List_Id;
      Needed_PS               : List_Id;
      Used_Generator_Options  : List_Id;
      Dirname                 : Name_Id;
      Success                 : Boolean := False;
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666

      The_Backend : Name_Id := No_Name;
      --  The current code generator

      Current_Scenario_Dirname : Name_Id := No_Name;
      --  The current dirname of all the scenario files.

      AADL_Version_Name : Name_Id := No_Name;
      --  The AADL version under which the model will be parsed

      Temp_AADL_Version : AADL_Version_Type;

      Ocarina_Config : constant String := "ocarina_config";
      --  The property set containing the Ocarina configuration
      --  properties.

      AADL_Files    : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::aadl_files");
      Referencial_Files    : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::referencial_files");
      The_Generator : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::generator");
667
668
      Generator_Options : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::generator_options");
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
      Predefined_PS : constant Name_Id
        := Get_String_Name
        (Ocarina_Config & "::needed_property_sets");
      RS_Name       : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::root_system_name");
      AADL_Version  : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::aadl_version");
      Timeout_Property     : constant Name_Id
        := Get_String_Name (Ocarina_Config & "::timeout_property");

      -------------------------------
      -- Extract_Referencial_Files --
      -------------------------------

      procedure Extract_Referencial_Files
        (Ref_Files : List_Id;
                  Ref_Map   : in out String_String_Maps.Map)
      is
                  N : Node_Id;
      begin
         if not Is_Empty (Ref_Files) then
            N := First_Node (Ref_Files);
            while Present (N) loop
               declare
                  App_Name : constant String
                    := Image (Value (N), Quoted => False);
               begin
                  N := Next_Node (N);
                  if Present (N) then
                     declare
                        File : constant String
                          := Image (Value (N), Quoted => False);
                     begin
                        Write_Line ("Inserting : " & App_Name & " / " & File);
                        String_String_Maps.Insert (Container => Ref_Map,
                                                   Key => App_Name,
                                                   New_Item => File,
                                                   Position => Position,
                                                   Inserted => Success);
                     end;
                  else
                     Exit_On_Error (True, "Missing parameters in "
                                      & "Referencial_Files property");
                  end if;
                  N := Next_Node (N);
               end;
            end loop;
         end if;
      end Extract_Referencial_Files;

      --------------------------
      -- Extract_Source_Files --
      --------------------------

      procedure Extract_Source_Files
        (Source_Files : List_Id;
         Needed_PS    : List_Id);
      --  FIXME : Update the sources with the full path of the given AADL
      --  source file list and the needed predefined property sets (???).

      procedure Extract_Source_Files
        (Source_Files : List_Id;
         Needed_PS    : List_Id)
      is
         N : Node_Id;

      begin
         if not Is_Empty (Needed_PS) then
            N := First_Node (Needed_Ps);

            while Present (N) loop
               declare
                  P         : Name_Id;
                  File_Name : constant String
                    := Image (Value (N), Quoted => False);
               begin
                  Set_Str_To_Name_Buffer (File_Name);
                  Set_Str_To_Name_Buffer
                    (Image
                       (Ocarina_Property_Set_Type'Value
                        ("O_" & Name_Buffer (1 .. Name_Len))));
                  P := Name_Find;

                  Get_Name_String (Default_Library_Path);
                  Get_Name_String_And_Append (P);
                  Add_Str_To_Name_Buffer (".aadl");

               exception
                  when others =>
                     --  If we fail here, this means that the user gave a
                     --  custom property set file, assume that this file
                     --  is located in the data directory.

                     --  Build the full-path file name
                     Get_Name_String (Default_Library_Path);
                     Add_Str_To_Name_Buffer (File_Name & ".aadl");
               end;

767
               Ocarina.Files.Add_File_To_Parse_List (Name_Find);
768
769
770
771

               N := Next_Node (N);
            end loop;
         end if;
772
773
774
775
776
777
778
779
780
781
782
783
784

         N := First_Node (Source_Files);
         while Present (N) loop
            declare
               File_Name : constant String
                 := Image (Value (N), Quoted => False);
            begin
               Get_Name_String (Current_Scenario_Dirname);
               Add_Str_To_Name_Buffer (File_Name);
               Ocarina.Files.Add_File_To_Parse_List (Name_Find);
               N := Next_Node (N);
            end;
         end loop;
785
786
787
788
      end Extract_Source_Files;

      package OIQ renames Ocarina.Instances.Queries;

789
      F : Types.Int;
790
      N : Node_Id;
791

792
793
794
   begin
      Current_Scenario_Dirname := No_Name;

795
796
797
798
799
      AADL_Root := Process_Predefined_Property_Sets (AADL_Root);

      F := Sources.First;

      loop
800
         Dirname := Get_String_Name
801
802
           (Dir_Name (Normalize_Pathname
                        (Get_Name_String (Sources.Table (F)))));
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827

         if Current_Scenario_Dirname = No_Name then
            Current_Scenario_Dirname := Dirname;
            Scenario_Dir := new String'(Get_Name_String
                                          (Current_Scenario_Dirname));
         end if;

         --  All scenario files have to be located in the same directory

         Exit_On_Error
           (Current_Scenario_Dirname /= Dirname,
            "Cannot locate scenario files in the directory");
         File_Name := Search_File (Sources.Table (F));
         Exit_On_Error
           ((File_Name = No_Name),
            "Cannot find file " & Get_Name_String (Sources.Table (F)));
         Buffer := Load_File (File_Name);
         Exit_On_Error
           ((File_Name = No_Name),
            "Cannot read file " & Get_Name_String (Sources.Table (F)));
         AADL_Root := Parse (Language, AADL_Root, Buffer);
         Exit_On_Error
           (No (AADL_Root),
            "Cannot parse AADL specifications");

828
829
830
         exit when F = Sources.Last; -- XXX Sources.Last may be modified
         F := F + 1;
      end loop;
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888

      --  Analyze the AADL tree

      Success := Analyze (Language, AADL_Root);
      Exit_On_Error (not Success, "Cannot analyze AADL scenarios");

      --  Instantiate the AADL tree

      Instance_Root := Instantiate_Model (AADL_Root);
      Exit_On_Error (No (Instance_Root), "Cannot instantiate AADL scenarios");

      --  Every thing is fine, extract the information from the
      --  scenario model.

      Root_System := Ocarina.ME_AADL.AADL_Instances.Nodes.Root_System
        (Instance_Root);

      --  Extract the generator

      Exit_On_Error
        (not Is_Defined_Enumeration_Property (Root_System, The_Generator),
         "You must specify a code generator");

      The_Backend := Get_Enumeration_Property (Root_System, The_Generator);

      --  Extract the AADL files to be parsed

      Exit_On_Error
        (not Is_Defined_List_Property (Root_System, AADL_Files),
         "AADL source files have to be specified by"
           & " means of the standard property"
           & " ""Source_Text""");

      Source_Files := Get_List_Property (Root_System, AADL_Files);

      --  Extract the referencial files for regression tests

      if Is_Defined_List_Property (Root_System, Referencial_Files) then
         Ref_Files := Get_List_Property (Root_System, Referencial_Files);
      else
         Ref_Files := No_List;
      end if;

      --  Extract the timeout used to stop the test

      if OIQ.Is_Defined_Integer_Property (Root_System, Timeout_Property) then
         Timeout := OIQ.Get_Integer_Property (Root_System, Timeout_Property);
      end if;

      --  Extract the predefined property sets needed by the
      --  application

      if Is_Defined_List_Property (Root_System, Predefined_PS) then
         Needed_PS := Get_List_Property (Root_System, Predefined_PS);
      else
         Needed_PS := No_List;
      end if;

889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
      --  Extract the generator options.

      if Is_Defined_List_Property (Root_System, Generator_Options) then
         Used_Generator_Options
            := Get_List_Property (Root_System, Generator_Options);
      else
         Used_Generator_Options := No_List;
      end if;

      --  Process options.

      if not Is_Empty (Used_Generator_Options) then

         N := First_Node (Used_Generator_Options);

         while Present (N) loop
            declare
               P         : Name_Id;
               Option : constant String
                 := Image (Value (N), Quoted => False);
            begin

               Set_Str_To_Name_Buffer (Option);
               P := Name_Find;

               if P = Get_String_Name ("gprof") then
                  Ocarina.Backends.PO_HI_C.Set_Performance_Analysis (True);
               end if;

               N := Next_Node (N);
            end;
         end loop;
      end if;

923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
      --  Extract the AADL version

      if Is_Defined_Enumeration_Property (Root_System, AADL_Version) then
         AADL_Version_Name := Get_Enumeration_Property
           (Root_System, AADL_Version);

         if Get_Name_String (AADL_Version_Name) = "aadlv1" then
            Temp_AADL_Version := Ocarina.AADL_V1;
         elsif Get_Name_String (AADL_Version_Name) = "aadlv2" then
            Temp_AADL_Version := Ocarina.AADL_V2;
         else
            raise Program_Error;
         end if;
      else
         Temp_AADL_Version := Ocarina.AADL_V1;
      end if;

      Ocarina.AADL_Version := Temp_AADL_Version;

      Sources.Free;
      Sources.Init;
      Extract_Source_Files (Source_Files, Needed_PS);

      Extract_Referencial_Files (Ref_Files, Ref_Map);

      --  Extract the name of the root of the instance tree

      if Is_Defined_String_Property (Root_System, RS_Name) then
         Root_System_Name := Get_String_Property (Root_System, RS_Name);
      end if;

      --  Reset Ocarina to have a clean set up for the next step

      declare
         The_Backend_Name     : constant String :=
           Get_Name_String (The_Backend);
         Result               : Argument_List_Access :=
           new Argument_List
           (Integer (Sources.First) .. Integer (Sources.Last));
         Root_System_Name_Ptr : String_Access;
      begin
         if Root_System_Name /= No_Name then
            Root_System_Name_Ptr :=
              new String'(Get_Name_String (Root_System_Name));
         else
            Root_System_Name_Ptr := new String'("");
         end if;

         for J in Sources.First .. Sources.Last loop
            Result (Integer (J)) :=
              new String'(Get_Name_String (Sources.Table (J)));
         end loop;

         Ocarina.Configuration.Reset_Modules;
         Ocarina.Reset;
978
         --         Ocarina.Files.Sources.Init;
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999

         Ocarina.Initialize;
         Language := Get_String_Name ("aadl");
         Ocarina.AADL_Version := Temp_AADL_Version;
         Set_Current_Backend_Name (The_Backend_Name);

         Ocarina.Configuration.Init_Modules;
         Sources.Free;
         Sources.Init;

         --  Restore the root system name

         if Root_System_Name_Ptr.all /= "" then
            Set_Str_To_Name_Buffer (Root_System_Name_Ptr.all);
            Root_System_Name := Name_Find;
         else
            Root_System_Name := No_Name;
         end if;

         for J in Result'Range loop
            Set_Str_To_Name_Buffer (Result (J).all);
1000
            Ocarina.Files.Add_File_To_Parse_List (Name_Find);
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
         end loop;

         --  Avoid memory leaks

         Free (Result);
         Free (Root_System_Name_Ptr);
      end;
   end Parse_Scenario_Files;

   --------------------------
   -- Process_Command_Line --
   --------------------------

   procedure Process_Command_Line
     (Root_System_Name  : out Name_Id;
      Success           : out Boolean) is
   begin
      Root_System_Name := No_Name;
      Success          := True;

      Initialize_Option_Scan;
      loop
         case Getopt ("* aadlv1 aadlv2 help o: c d g: "
                      & "r: real_lib: boundt_process: disable-annexes=: "
                      & "i p q v V s x t?") is
            when 'a' =>
               if Full_Switch = "aadlv2" then
                  AADL_Version := AADL_V2;
               elsif Full_Switch = "aadlv1" then
                  AADL_Version := AADL_V1;
               else
                  raise Invalid_Switch;
               end if;

            when 'c' =>
               After_Scenario_Action := Analyze_With_Cheddar;

            when 'o' =>
               declare
                  D : constant String := Parameter;
               begin
                  if D'Length > 0 then
                     Output_Filename := Get_String_Name (D);
                  end if;
               end;

            when 'g' =>
               Set_Current_Action (Generate_Code);
               declare
                  G : constant String := Parameter;
               begin
                  if G'Length > 0 then
                     Set_Current_Backend_Name (G);
                  end if;
               end;

            when 'h' =>
               if Full_Switch /= "help" then
                  raise Invalid_Switch;
               end if;
               Set_Current_Action (Show_Help);

            when 'p' =>
               if Full_Switch = "p" then
                  After_Scenario_Action := Instantiate_Model;
               end if;

            when 'r' =>
               if Full_Switch = "r" then
                  declare
                     N : constant String := Parameter;
                  begin
                     if N'Length > 0 then
                        Root_System_Name := To_Lower (Get_String_Name (N));
                     end if;
                  end;
               end if;

            when 'i' =>
               Set_Current_Action (Instantiate_Model);

            when 'q' =>
               Quiet_Mode   := True;
               Verbose_Mode := False;

            when 'v' =>
               Quiet_Mode   := False;
               Verbose_Mode := True;

            when 'd' =>
               if Full_Switch = "disable-annexes=" then
                  Reset_Annex_Action;
                  Process_Annex_Action (Parameter);
               else
                  Debug_Mode := True;
               end if;

            when 'V' =>
               Set_Current_Action (Show_Version);
               exit;

            when 's' =>
               Set_Current_Action (Show_Libraries);

               --  Note: we continue parsing the command line
               --  parameters to know whether the user specified also
               --  an AADL version flag.

            when 'x' =>
1110
               Use_Scenario_File := True;
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
               Set_Current_Action (Parse_Scenario_Files_First);

            when 't' =>
               Set_Current_Action (Shell);
               declare
                  N : constant String := Get_Argument;
                  File : Ada.Text_IO.File_Type;
               begin
                  if N'Length > 0 then
                     Ada.Text_IO.Open (File, Ada.Text_IO.In_File, N);
                     Ada.Text_IO.Set_Input (File);
                     Standard_Input := False;
                  end if;
               end;

               exit;

            when ASCII.NUL =>
               exit;

            when others =>
               declare
                  S : constant String := Full_Switch;
               begin
                  --  FIXME: this is not correct. For instance, an
                  --  unknown switch may be followed by a parameter.
                  --  The parameter is considered as a file to parse
                  --  when it is not. Only sections would fix the
                  --  issue.

                  --  If there is a new switch, then the previous
                  --  files must be discarded.

                  if S (S'First) = '-' then
                     Sources.Init;

                  else
                     Set_Str_To_Name_Buffer (S);
1149
                     Ocarina.Files.Add_File_To_Parse_List (Name_Find);
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
                  end if;
               end;
         end case;
      end loop;

      --  If no file is given, print the usage function and exit

      if Sources.Last = 0
        and then Get_Current_Action /= Show_Version
        and then Get_Current_Action /= Show_Libraries
        and then Get_Current_Action /= Show_Help
        and then Get_Current_Action /= Shell
1162
        and then Get_Current_Action /= Parse_Scenario_Files_First
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
      then
         Set_Current_Action (Show_Usage);

      elsif Sources.Last /= 0
        and then Get_Current_Action = None
      then
         Set_Current_Action (Analyze_Model);
      end if;

   exception
      when Invalid_Options =>
         Write_Line (Base_Name (Command_Name)
1175
                       & ": invalid combination of options");
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
         Write_Eol;
         OS_Exit (1);

      when GNAT.Command_Line.Invalid_Switch =>
         Write_Line (Base_Name (Command_Name)
                     & ": invalid switch "
                     & Full_Switch
                     & Parameter);
         Write_Eol;
         OS_Exit (1);

      when GNAT.Command_Line.Invalid_Parameter =>
         Write_Line (Base_Name (Command_Name)
                     & ": invalid parameter for switch -"
                     & Full_Switch);
         Write_Eol;
         OS_Exit (1);
   end Process_Command_Line;

   -----------
   -- Usage --
   -----------

   procedure Usage is
      Exec_Suffix : String_Access := Get_Executable_Suffix;
   begin
      Set_Standard_Error;
      Write_Line ("Usage: ");
      Write_Line ("      "
                    & Base_Name (Command_Name, Exec_Suffix.all)
                    & " [options] files");
      Write_Line ("      OR");
      Write_Line ("      "
                    & Base_Name (Command_Name, Exec_Suffix.all)
                    & " -help");
      Write_Line ("  files are a non null sequence of AADL files");

      Write_Eol;
      Write_Line ("  General purpose options:");
      Write_Line ("   -V  Output Ocarina version, then exit");
      Write_Line ("   -s  Output Ocarina search directory, then exit");

      Write_Eol;
      Write_Line ("  Scenario file options:");
1220
1221
1222
      Write_Line ("   -b  Generate and build code from the AADL model");
      Write_Line ("   -z  Clean code generated from the AADL model");
      Write_Line ("   -ec Execute the generated application code and");
1223
      Write_Line ("       retrieve coverage information");
1224
      Write_Line ("   -er Execute the generated application code and");
1225
      Write_Line ("       verify that there is no regression");
1226
1227
      Write_Line ("   -p  Only parse and instantiate the application model");
      Write_Line ("   -c  Only perform schedulability analysis");
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323

      Write_Eol;
      Write_Line ("  Advanced user options:");
      Write_Line ("   -d  Debug mode for developpers");
      Write_Line ("   -q  Quiet mode (default)");
      Write_Line ("   -t  [script] Run Ocarina in terminal interactive mode.");
      Write_Line ("       If a script is given, interpret it then exit.");
      Write_Line ("   -v  Verbose mode for users");
      Write_Line ("   -x  Parse AADL file as an AADL scenario file");

      Ocarina.FE_AADL.Usage;
      Ocarina.FE_REAL.Usage;
      Ocarina.Backends.Usage;

      Write_Line ("   -disable-annexes={annexes}"
                    & "  Desactive one or all annexes");
      Write_Line ("       Annexes :");
      Write_Line ("        all");
      Write_Line ("        behavior");
      Write_Line ("        real");
      Write_Eol;

      Free (Exec_Suffix);
   end Usage;

   -------------
   -- Version --
   -------------

   procedure Version is
   begin
      Write_Line
        ("Ocarina " & Ocarina_Version
           & " (" & Ocarina_SVN_Revision & ")");

      if Ocarina_Last_Configure_Date /= "" then
         Write_Line ("Build date: " & Ocarina_Last_Configure_Date);
      end if;

      Write_Line
        ("Copyright (c) 2003-" & Ocarina_Last_Configure_Year & " ENST");
   end Version;

   package RT renames Ocarina.ME_REAL.Tokens;
begin
   --  Init

   Ocarina.Initialize;
   Language := Get_String_Name ("aadl");
   Default_AADL_Version := Get_Default_AADL_Version;
   AADL_Version         := Default_AADL_Version;

   --  Process the command line

   Process_Command_Line
     (Root_System_Name,
      Success);
   Exit_On_Error (not Success, "Cannot process command line");

   --  Initialization Modules

   Ocarina.Configuration.Init_Modules;

   case Get_Current_Action is
      when Show_Version =>
         Version;
         OS_Exit (0);

      when Show_Help =>
         Usage;
         OS_Exit (0);

      when Show_Libraries =>
         Write_Line (Get_Name_String (Default_Library_Path));
         OS_Exit (0);

      when Show_Usage =>
         Usage;
         OS_Exit (1);

      when Shell =>
         Ocarina_Shell;
         OS_Exit (0);

      when Parse_Scenario_Files_First =>
         Parse_Scenario_Files;
         Reset_Current_Action;
         Set_Current_Action (After_Scenario_Action);
      when others =>
         null;
   end case;

   if Get_Current_Action /= Analyze_With_Cheddar then
      --  Parse the AADL files

      AADL_Root := No_Node;
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
      declare
         F : Types.Int := Sources.First;
      begin
         loop
            File_Name := Search_File (Sources.Table (F));
            Exit_On_Error
              ((File_Name = No_Name),
               "Cannot find file " & Get_Name_String (Sources.Table (F)));
            Buffer := Load_File (File_Name);
            Exit_On_Error
              ((File_Name = No_Name),
               "Cannot read file " & Get_Name_String (Sources.Table (F)));
            AADL_Root := Parse (Language, AADL_Root, Buffer);
            Exit_On_Error
              (No (AADL_Root),
               "Cannot parse AADL specifications");
            exit when F = Sources.Last;
            F := F + 1;
         end loop;
      end;
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415

      Success := Analyze (Language, AADL_Root);
      Exit_On_Error (not Success, "Cannot analyze AADL specifications");
   end if;

   case Get_Current_Action is
      when Analyze_Model =>
         null;

      when Instantiate_Model =>
         AADL_Root := Instantiate_Model (AADL_Root);
         Exit_On_Error (No (AADL_Root), "Cannot instantiate AADL models");

      when Generate_Code =>
         if Get_Current_Backend_Name = Get_String_Name ("real_theorem")
           or else Get_Current_Backend_Name = Get_String_Name ("real_pp") then

            AADL_Root := Instantiate_Model (AADL_Root);
            Exit_On_Error (No (AADL_Root), "Cannot instantiate AADL models");

            Success := Analyze (RT.REAL_Language, AADL_Root);
            Exit_On_Error (not Success, "Cannot analyze REAL specifications");
         end if;
         Generate_Code (AADL_Root);

      when Analyze_With_Cheddar =>
         declare
            Args             : Argument_List_Access
              := new Argument_List
              (1 ..
               Integer (Sources.Last) - Integer (Sources.First) + 2);
            --  '-aadlv?' + all source files

            Index            : Integer := 1;
            Cheddar_Analyzer : constant String := "cheddar_analyzer";
         begin
            Args (Index) := new String'("-aadlv?");
            case Aadl_Version is
               when AADL_V1 =>
                  Args (Index)(Args (Index)'Last) := '1';
               when AADL_V2 =>
                  Args (Index)(Args (Index)'Last) := '2';
            end case;
            Index := Index + 1;

            for F in Sources.First .. Sources.Last loop
               File_Name := Search_File (Sources.Table (F));
               Exit_On_Error
                 ((File_Name = No_Name),
                  "Cannot find file " & Get_Name_String (Sources.Table (F)));

               Args (Index) := new String'(Get_Name_String (File_Name));
               Index := Index + 1;
            end loop;

            --  Invoke cheddar_analyzer

            Run_Command
              (Command_Name  => Cheddar_Analyzer,
               Argument_List => Args.all,
               Success       => Success);

            Free (Args);

            Exit_On_Error (not Success,
                           Cheddar_Analyzer & " died unexpectedly");
         end;

      when others =>
         null;
   end case;
end Ocarina_Cmd;