1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             P R J . M A K R                              --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--          Copyright (C) 2001-2014, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
19-- http://www.gnu.org/licenses for a complete copy of the license.          --
20--                                                                          --
21-- GNAT was originally developed  by the GNAT team at  New York University. --
22-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23--                                                                          --
24------------------------------------------------------------------------------
25
26with Csets;
27with Makeutl;  use Makeutl;
28with Opt;
29with Output;
30with Osint;    use Osint;
31with Prj;      use Prj;
32with Prj.Com;
33with Prj.Env;
34with Prj.Part;
35with Prj.PP;
36with Prj.Tree; use Prj.Tree;
37with Prj.Util; use Prj.Util;
38with Sdefault;
39with Snames;   use Snames;
40with Stringt;
41with Table;    use Table;
42with Tempdir;
43
44with Ada.Characters.Handling;   use Ada.Characters.Handling;
45with GNAT.Directory_Operations; use GNAT.Directory_Operations;
46
47with System.Case_Util; use System.Case_Util;
48with System.CRTL;
49with System.HTable;
50
51package body Prj.Makr is
52
53   --  Packages of project files where unknown attributes are errors
54
55   --  All the following need comments ??? All global variables and
56   --  subprograms must be fully commented.
57
58   Very_Verbose : Boolean := False;
59   --  Set in call to Initialize to indicate very verbose output
60
61   Project_File : Boolean := False;
62   --  True when gnatname is creating/modifying a project file. False when
63   --  gnatname is creating a configuration pragmas file.
64
65   Tree : constant Project_Node_Tree_Ref := new Project_Node_Tree_Data;
66   --  The project tree where the project file is parsed
67
68   Args : Argument_List_Access;
69   --  The list of arguments for calls to the compiler to get the unit names
70   --  and kinds (spec or body) in the Ada sources.
71
72   Path_Name : String_Access;
73
74   Path_Last : Natural;
75
76   Directory_Last    : Natural := 0;
77
78   Output_Name      : String_Access;
79   Output_Name_Last : Natural;
80   Output_Name_Id   : Name_Id;
81
82   Project_Naming_File_Name : String_Access;
83   --  String (1 .. Output_Name'Length +  Naming_File_Suffix'Length);
84
85   Project_Naming_Last : Natural;
86   Project_Naming_Id   : Name_Id := No_Name;
87
88   Source_List_Path : String_Access;
89   --  (1 .. Output_Name'Length + Source_List_File_Suffix'Length);
90   Source_List_Last : Natural;
91
92   Source_List_FD : File_Descriptor;
93
94   Project_Node        : Project_Node_Id := Empty_Node;
95   Project_Declaration : Project_Node_Id := Empty_Node;
96   Source_Dirs_List    : Project_Node_Id := Empty_Node;
97
98   Project_Naming_Node     : Project_Node_Id := Empty_Node;
99   Project_Naming_Decl     : Project_Node_Id := Empty_Node;
100   Naming_Package          : Project_Node_Id := Empty_Node;
101   Naming_Package_Comments : Project_Node_Id := Empty_Node;
102
103   Source_Files_Comments     : Project_Node_Id := Empty_Node;
104   Source_Dirs_Comments      : Project_Node_Id := Empty_Node;
105   Source_List_File_Comments : Project_Node_Id := Empty_Node;
106
107   Naming_String : aliased String := "naming";
108
109   Gnatname_Packages : aliased String_List := (1 => Naming_String'Access);
110
111   Packages_To_Check_By_Gnatname : constant String_List_Access :=
112                                     Gnatname_Packages'Access;
113
114   function Dup (Fd : File_Descriptor) return File_Descriptor;
115
116   procedure Dup2 (Old_Fd, New_Fd : File_Descriptor);
117
118   Gcc      : constant String := "ada";
119   Gcc_Path : String_Access := null;
120
121   Non_Empty_Node : constant Project_Node_Id := 1;
122   --  Used for the With_Clause of the naming project
123
124   --  Turn off warnings for now around this redefinition of True and False,
125   --  but it really seems a bit horrible to do this redefinition ???
126
127   pragma Warnings (Off);
128   type Matched_Type is (True, False, Excluded);
129   pragma Warnings (On);
130
131   Naming_File_Suffix      : constant String := "_naming";
132   Source_List_File_Suffix : constant String := "_source_list.txt";
133
134   Output_FD : File_Descriptor;
135   --  To save the project file and its naming project file
136
137   procedure Write_Eol;
138   --  Output an empty line
139
140   procedure Write_A_Char (C : Character);
141   --  Write one character to Output_FD
142
143   procedure Write_A_String (S : String);
144   --  Write a String to Output_FD
145
146   package Processed_Directories is new Table.Table
147     (Table_Component_Type => String_Access,
148      Table_Index_Type     => Natural,
149      Table_Low_Bound      => 0,
150      Table_Initial        => 10,
151      Table_Increment      => 100,
152      Table_Name           => "Prj.Makr.Processed_Directories");
153   --  The list of already processed directories for each section, to avoid
154   --  processing several times the same directory in the same section.
155
156   package Source_Directories is new Table.Table
157     (Table_Component_Type => String_Access,
158      Table_Index_Type     => Natural,
159      Table_Low_Bound      => 0,
160      Table_Initial        => 10,
161      Table_Increment      => 100,
162      Table_Name           => "Prj.Makr.Source_Directories");
163   --  The complete list of directories to be put in attribute Source_Dirs in
164   --  the project file.
165
166   type Source is record
167      File_Name : Name_Id;
168      Unit_Name : Name_Id;
169      Index     : Int := 0;
170      Spec      : Boolean;
171   end record;
172
173   package Sources is new Table.Table
174     (Table_Component_Type => Source,
175      Table_Index_Type     => Natural,
176      Table_Low_Bound      => 0,
177      Table_Initial        => 10,
178      Table_Increment      => 100,
179      Table_Name           => "Prj.Makr.Sources");
180   --  The list of Ada sources found, with their unit name and kind, to be put
181   --  in the source attribute and package Naming of the project file, or in
182   --  the pragmas Source_File_Name in the configuration pragmas file.
183
184   package Source_Files is new System.HTable.Simple_HTable
185     (Header_Num => Prj.Header_Num,
186      Element    => Boolean,
187      No_Element => False,
188      Key        => Name_Id,
189      Hash       => Prj.Hash,
190      Equal      => "=");
191   --  Hash table to keep track of source file names, to avoid putting several
192   --  times the same file name in case of multi-unit files.
193
194   ---------
195   -- Dup --
196   ---------
197
198   function Dup  (Fd : File_Descriptor) return File_Descriptor is
199   begin
200      return File_Descriptor (System.CRTL.dup (Integer (Fd)));
201   end Dup;
202
203   ----------
204   -- Dup2 --
205   ----------
206
207   procedure Dup2 (Old_Fd, New_Fd : File_Descriptor) is
208      Fd : Integer;
209      pragma Warnings (Off, Fd);
210   begin
211      Fd := System.CRTL.dup2 (Integer (Old_Fd), Integer (New_Fd));
212   end Dup2;
213
214   --------------
215   -- Finalize --
216   --------------
217
218   procedure Finalize is
219      Discard : Boolean;
220      pragma Warnings (Off, Discard);
221
222      Current_Source_Dir : Project_Node_Id := Empty_Node;
223
224   begin
225      if Project_File then
226         --  If there were no already existing project file, or if the parsing
227         --  was unsuccessful, create an empty project node with the correct
228         --  name and its project declaration node.
229
230         if No (Project_Node) then
231            Project_Node :=
232              Default_Project_Node (Of_Kind => N_Project, In_Tree => Tree);
233            Set_Name_Of (Project_Node, Tree, To => Output_Name_Id);
234            Set_Project_Declaration_Of
235              (Project_Node, Tree,
236               To => Default_Project_Node
237                 (Of_Kind => N_Project_Declaration, In_Tree => Tree));
238
239         end if;
240
241      end if;
242
243      --  Delete the file if it already exists
244
245      Delete_File
246        (Path_Name (Directory_Last + 1 .. Path_Last),
247         Success => Discard);
248
249      --  Create a new one
250
251      if Opt.Verbose_Mode then
252         Output.Write_Str ("Creating new file """);
253         Output.Write_Str (Path_Name (Directory_Last + 1 .. Path_Last));
254         Output.Write_Line ("""");
255      end if;
256
257      Output_FD := Create_New_File
258        (Path_Name (Directory_Last + 1 .. Path_Last),
259         Fmode => Text);
260
261      --  Fails if project file cannot be created
262
263      if Output_FD = Invalid_FD then
264         Prj.Com.Fail
265           ("cannot create new """ & Path_Name (1 .. Path_Last) & """");
266      end if;
267
268      if Project_File then
269
270         --  Delete the source list file, if it already exists
271
272         declare
273            Discard : Boolean;
274            pragma Warnings (Off, Discard);
275         begin
276            Delete_File
277              (Source_List_Path (1 .. Source_List_Last),
278               Success => Discard);
279         end;
280
281         --  And create a new source list file, fail if file cannot be created
282
283         Source_List_FD := Create_New_File
284           (Name  => Source_List_Path (1 .. Source_List_Last),
285            Fmode => Text);
286
287         if Source_List_FD = Invalid_FD then
288            Prj.Com.Fail
289              ("cannot create file """
290               & Source_List_Path (1 .. Source_List_Last)
291               & """");
292         end if;
293
294         if Opt.Verbose_Mode then
295            Output.Write_Str ("Naming project file name is """);
296            Output.Write_Str
297              (Project_Naming_File_Name (1 .. Project_Naming_Last));
298            Output.Write_Line ("""");
299         end if;
300
301         --  Create the naming project node
302
303         Project_Naming_Node :=
304           Default_Project_Node (Of_Kind => N_Project, In_Tree => Tree);
305         Set_Name_Of (Project_Naming_Node, Tree, To => Project_Naming_Id);
306         Project_Naming_Decl :=
307           Default_Project_Node
308             (Of_Kind => N_Project_Declaration, In_Tree => Tree);
309         Set_Project_Declaration_Of
310           (Project_Naming_Node, Tree, Project_Naming_Decl);
311         Naming_Package :=
312           Default_Project_Node
313             (Of_Kind => N_Package_Declaration, In_Tree => Tree);
314         Set_Name_Of (Naming_Package, Tree, To => Name_Naming);
315
316         --  Add an attribute declaration for Source_Files as an empty list (to
317         --  indicate there are no sources in the naming project) and a package
318         --  Naming (that will be filled later).
319
320         declare
321            Decl_Item : constant Project_Node_Id :=
322                          Default_Project_Node
323                            (Of_Kind => N_Declarative_Item, In_Tree => Tree);
324
325            Attribute : constant Project_Node_Id :=
326                          Default_Project_Node
327                            (Of_Kind       => N_Attribute_Declaration,
328                             In_Tree       => Tree,
329                             And_Expr_Kind => List);
330
331            Expression : constant Project_Node_Id :=
332                           Default_Project_Node
333                             (Of_Kind       => N_Expression,
334                              In_Tree       => Tree,
335                              And_Expr_Kind => List);
336
337            Term      : constant Project_Node_Id :=
338                          Default_Project_Node
339                            (Of_Kind       => N_Term,
340                             In_Tree       => Tree,
341                             And_Expr_Kind => List);
342
343            Empty_List : constant Project_Node_Id :=
344                           Default_Project_Node
345                             (Of_Kind => N_Literal_String_List,
346                              In_Tree => Tree);
347
348         begin
349            Set_First_Declarative_Item_Of
350              (Project_Naming_Decl, Tree, To => Decl_Item);
351            Set_Next_Declarative_Item (Decl_Item, Tree, Naming_Package);
352            Set_Current_Item_Node (Decl_Item, Tree, To => Attribute);
353            Set_Name_Of (Attribute, Tree, To => Name_Source_Files);
354            Set_Expression_Of (Attribute, Tree, To => Expression);
355            Set_First_Term (Expression, Tree, To => Term);
356            Set_Current_Term (Term, Tree, To => Empty_List);
357         end;
358
359         --  Add a with clause on the naming project in the main project, if
360         --  there is not already one.
361
362         declare
363            With_Clause : Project_Node_Id :=
364                                  First_With_Clause_Of (Project_Node, Tree);
365
366         begin
367            while Present (With_Clause) loop
368               exit when
369                 Prj.Tree.Name_Of (With_Clause, Tree) = Project_Naming_Id;
370               With_Clause := Next_With_Clause_Of (With_Clause, Tree);
371            end loop;
372
373            if No (With_Clause) then
374               With_Clause := Default_Project_Node
375                 (Of_Kind => N_With_Clause, In_Tree => Tree);
376               Set_Next_With_Clause_Of
377                 (With_Clause, Tree,
378                  To => First_With_Clause_Of (Project_Node, Tree));
379               Set_First_With_Clause_Of
380                 (Project_Node, Tree, To => With_Clause);
381               Set_Name_Of (With_Clause, Tree, To => Project_Naming_Id);
382
383               --  We set the project node to something different than
384               --  Empty_Node, so that Prj.PP does not generate a limited
385               --  with clause.
386
387               Set_Project_Node_Of (With_Clause, Tree, Non_Empty_Node);
388
389               Name_Len := Project_Naming_Last;
390               Name_Buffer (1 .. Name_Len) :=
391                 Project_Naming_File_Name (1 .. Project_Naming_Last);
392               Set_String_Value_Of (With_Clause, Tree, To => Name_Find);
393            end if;
394         end;
395
396         Project_Declaration := Project_Declaration_Of (Project_Node, Tree);
397
398         --  Add a package Naming in the main project, that is a renaming of
399         --  package Naming in the naming project.
400
401         declare
402            Decl_Item  : constant Project_Node_Id :=
403                           Default_Project_Node
404                             (Of_Kind => N_Declarative_Item,
405                              In_Tree => Tree);
406
407            Naming : constant Project_Node_Id :=
408                           Default_Project_Node
409                             (Of_Kind => N_Package_Declaration,
410                              In_Tree => Tree);
411
412         begin
413            Set_Next_Declarative_Item
414              (Decl_Item, Tree,
415               To => First_Declarative_Item_Of (Project_Declaration, Tree));
416            Set_First_Declarative_Item_Of
417              (Project_Declaration, Tree, To => Decl_Item);
418            Set_Current_Item_Node (Decl_Item, Tree, To => Naming);
419            Set_Name_Of (Naming, Tree, To => Name_Naming);
420            Set_Project_Of_Renamed_Package_Of
421              (Naming, Tree, To => Project_Naming_Node);
422
423            --  Attach the comments, if any, that were saved for package
424            --  Naming.
425
426            Tree.Project_Nodes.Table (Naming).Comments :=
427              Naming_Package_Comments;
428         end;
429
430         --  Add an attribute declaration for Source_Dirs, initialized as an
431         --  empty list.
432
433         declare
434            Decl_Item  : constant Project_Node_Id :=
435                           Default_Project_Node
436                             (Of_Kind => N_Declarative_Item,
437                              In_Tree => Tree);
438
439            Attribute : constant Project_Node_Id :=
440                           Default_Project_Node
441                             (Of_Kind       => N_Attribute_Declaration,
442                              In_Tree       => Tree,
443                              And_Expr_Kind => List);
444
445            Expression : constant Project_Node_Id :=
446                           Default_Project_Node
447                             (Of_Kind       => N_Expression,
448                              In_Tree       => Tree,
449                              And_Expr_Kind => List);
450
451            Term  : constant Project_Node_Id :=
452                           Default_Project_Node
453                             (Of_Kind       => N_Term, In_Tree => Tree,
454                              And_Expr_Kind => List);
455
456         begin
457            Set_Next_Declarative_Item
458              (Decl_Item, Tree,
459               To => First_Declarative_Item_Of (Project_Declaration, Tree));
460            Set_First_Declarative_Item_Of
461              (Project_Declaration, Tree, To => Decl_Item);
462            Set_Current_Item_Node (Decl_Item, Tree, To => Attribute);
463            Set_Name_Of (Attribute, Tree, To => Name_Source_Dirs);
464            Set_Expression_Of (Attribute, Tree, To => Expression);
465            Set_First_Term (Expression, Tree, To => Term);
466            Source_Dirs_List :=
467              Default_Project_Node
468                (Of_Kind       => N_Literal_String_List,
469                 In_Tree       => Tree,
470                 And_Expr_Kind => List);
471            Set_Current_Term (Term, Tree, To => Source_Dirs_List);
472
473            --  Attach the comments, if any, that were saved for attribute
474            --  Source_Dirs.
475
476            Tree.Project_Nodes.Table (Attribute).Comments :=
477              Source_Dirs_Comments;
478         end;
479
480         --  Put the source directories in attribute Source_Dirs
481
482         for Source_Dir_Index in 1 .. Source_Directories.Last loop
483            declare
484               Expression : constant Project_Node_Id :=
485                              Default_Project_Node
486                                (Of_Kind       => N_Expression,
487                                 In_Tree       => Tree,
488                                 And_Expr_Kind => Single);
489
490               Term       : constant Project_Node_Id :=
491                              Default_Project_Node
492                                (Of_Kind       => N_Term,
493                                 In_Tree       => Tree,
494                                 And_Expr_Kind => Single);
495
496               Value      : constant Project_Node_Id :=
497                              Default_Project_Node
498                                (Of_Kind       => N_Literal_String,
499                                 In_Tree       => Tree,
500                                 And_Expr_Kind => Single);
501
502            begin
503               if No (Current_Source_Dir) then
504                  Set_First_Expression_In_List
505                    (Source_Dirs_List, Tree, To => Expression);
506               else
507                  Set_Next_Expression_In_List
508                    (Current_Source_Dir, Tree, To => Expression);
509               end if;
510
511               Current_Source_Dir := Expression;
512               Set_First_Term (Expression, Tree, To => Term);
513               Set_Current_Term (Term, Tree, To => Value);
514               Name_Len := 0;
515               Add_Str_To_Name_Buffer
516                 (Source_Directories.Table (Source_Dir_Index).all);
517               Set_String_Value_Of (Value, Tree, To => Name_Find);
518            end;
519         end loop;
520
521         --  Add an attribute declaration for Source_Files or Source_List_File
522         --  with the source list file name that will be created.
523
524         declare
525            Decl_Item  : constant Project_Node_Id :=
526                           Default_Project_Node
527                             (Of_Kind => N_Declarative_Item,
528                              In_Tree => Tree);
529
530            Attribute  : constant Project_Node_Id :=
531                            Default_Project_Node
532                              (Of_Kind       => N_Attribute_Declaration,
533                               In_Tree       => Tree,
534                               And_Expr_Kind => Single);
535
536            Expression : constant Project_Node_Id :=
537                           Default_Project_Node
538                             (Of_Kind       => N_Expression,
539                              In_Tree       => Tree,
540                              And_Expr_Kind => Single);
541
542            Term       : constant Project_Node_Id :=
543                           Default_Project_Node
544                             (Of_Kind       => N_Term,
545                              In_Tree       => Tree,
546                              And_Expr_Kind => Single);
547
548            Value      : constant Project_Node_Id :=
549                           Default_Project_Node
550                             (Of_Kind       => N_Literal_String,
551                              In_Tree       => Tree,
552                              And_Expr_Kind => Single);
553
554         begin
555            Set_Next_Declarative_Item
556              (Decl_Item, Tree,
557               To => First_Declarative_Item_Of (Project_Declaration, Tree));
558            Set_First_Declarative_Item_Of
559              (Project_Declaration, Tree, To => Decl_Item);
560            Set_Current_Item_Node (Decl_Item, Tree, To => Attribute);
561
562            Set_Name_Of (Attribute, Tree, To => Name_Source_List_File);
563            Set_Expression_Of (Attribute, Tree, To => Expression);
564            Set_First_Term (Expression, Tree, To => Term);
565            Set_Current_Term (Term, Tree, To => Value);
566            Name_Len := Source_List_Last;
567            Name_Buffer (1 .. Name_Len) :=
568              Source_List_Path (1 .. Source_List_Last);
569            Set_String_Value_Of (Value, Tree, To => Name_Find);
570
571            --  If there was no comments for attribute Source_List_File, put
572            --  those for Source_Files, if they exist.
573
574            if Present (Source_List_File_Comments) then
575               Tree.Project_Nodes.Table (Attribute).Comments :=
576                 Source_List_File_Comments;
577            else
578               Tree.Project_Nodes.Table (Attribute).Comments :=
579                 Source_Files_Comments;
580            end if;
581         end;
582
583         --  Put the sources in the source list files and in the naming
584         --  project.
585
586         for Source_Index in 1 .. Sources.Last loop
587
588            --  Add the corresponding attribute in the
589            --  Naming package of the naming project.
590
591            declare
592               Current_Source : constant Source :=
593                                  Sources.Table (Source_Index);
594
595               Decl_Item : constant Project_Node_Id :=
596                             Default_Project_Node
597                               (Of_Kind =>
598                                                N_Declarative_Item,
599                                In_Tree => Tree);
600
601               Attribute : constant Project_Node_Id :=
602                             Default_Project_Node
603                               (Of_Kind =>
604                                                N_Attribute_Declaration,
605                                In_Tree => Tree);
606
607               Expression : constant Project_Node_Id :=
608                              Default_Project_Node
609                                (Of_Kind       => N_Expression,
610                                 And_Expr_Kind => Single,
611                                 In_Tree       => Tree);
612
613               Term      : constant Project_Node_Id :=
614                             Default_Project_Node
615                               (Of_Kind       => N_Term,
616                                And_Expr_Kind => Single,
617                                In_Tree       => Tree);
618
619               Value     : constant Project_Node_Id :=
620                             Default_Project_Node
621                               (Of_Kind       => N_Literal_String,
622                                And_Expr_Kind => Single,
623                                In_Tree       => Tree);
624
625            begin
626               --  Add source file name to the source list file if it is not
627               --  already there.
628
629               if not Source_Files.Get (Current_Source.File_Name) then
630                  Source_Files.Set (Current_Source.File_Name, True);
631                  Get_Name_String (Current_Source.File_Name);
632                  Add_Char_To_Name_Buffer (ASCII.LF);
633
634                  if Write (Source_List_FD,
635                            Name_Buffer (1)'Address,
636                            Name_Len) /= Name_Len
637                  then
638                     Prj.Com.Fail ("disk full");
639                  end if;
640               end if;
641
642               --  For an Ada source, add entry in package Naming
643
644               if Current_Source.Unit_Name /= No_Name then
645                  Set_Next_Declarative_Item
646                    (Decl_Item,
647                     To      => First_Declarative_Item_Of
648                       (Naming_Package, Tree),
649                     In_Tree => Tree);
650                  Set_First_Declarative_Item_Of
651                    (Naming_Package,
652                     To      => Decl_Item,
653                     In_Tree => Tree);
654                  Set_Current_Item_Node
655                    (Decl_Item,
656                     To      => Attribute,
657                     In_Tree => Tree);
658
659                  --  Is it a spec or a body?
660
661                  if Current_Source.Spec then
662                     Set_Name_Of
663                       (Attribute, Tree,
664                        To => Name_Spec);
665                  else
666                     Set_Name_Of
667                       (Attribute, Tree,
668                        To => Name_Body);
669                  end if;
670
671                  --  Get the name of the unit
672
673                  Get_Name_String (Current_Source.Unit_Name);
674                  To_Lower (Name_Buffer (1 .. Name_Len));
675                  Set_Associative_Array_Index_Of
676                    (Attribute, Tree, To => Name_Find);
677
678                  Set_Expression_Of
679                    (Attribute, Tree, To => Expression);
680                  Set_First_Term
681                    (Expression, Tree, To => Term);
682                  Set_Current_Term
683                    (Term, Tree, To => Value);
684
685                  --  And set the name of the file
686
687                  Set_String_Value_Of
688                    (Value, Tree, To => Current_Source.File_Name);
689                  Set_Source_Index_Of
690                    (Value, Tree, To => Current_Source.Index);
691               end if;
692            end;
693         end loop;
694
695         --  Close the source list file
696
697         Close (Source_List_FD);
698
699         --  Output the project file
700
701         Prj.PP.Pretty_Print
702           (Project_Node, Tree,
703            W_Char                 => Write_A_Char'Access,
704            W_Eol                  => Write_Eol'Access,
705            W_Str                  => Write_A_String'Access,
706            Backward_Compatibility => False,
707            Max_Line_Length        => 79);
708         Close (Output_FD);
709
710         --  Delete the naming project file if it already exists
711
712         Delete_File
713           (Project_Naming_File_Name (1 .. Project_Naming_Last),
714            Success => Discard);
715
716         --  Create a new one
717
718         if Opt.Verbose_Mode then
719            Output.Write_Str ("Creating new naming project file """);
720            Output.Write_Str (Project_Naming_File_Name
721                              (1 .. Project_Naming_Last));
722            Output.Write_Line ("""");
723         end if;
724
725         Output_FD := Create_New_File
726           (Project_Naming_File_Name (1 .. Project_Naming_Last),
727            Fmode => Text);
728
729         --  Fails if naming project file cannot be created
730
731         if Output_FD = Invalid_FD then
732            Prj.Com.Fail
733              ("cannot create new """
734               & Project_Naming_File_Name (1 .. Project_Naming_Last)
735               & """");
736         end if;
737
738         --  Output the naming project file
739
740         Prj.PP.Pretty_Print
741           (Project_Naming_Node, Tree,
742            W_Char                 => Write_A_Char'Access,
743            W_Eol                  => Write_Eol'Access,
744            W_Str                  => Write_A_String'Access,
745            Backward_Compatibility => False);
746         Close (Output_FD);
747
748      else
749         --  For each Ada source, write a pragma Source_File_Name to the
750         --  configuration pragmas file.
751
752         for Index in 1 .. Sources.Last loop
753            if Sources.Table (Index).Unit_Name /= No_Name then
754               Write_A_String ("pragma Source_File_Name");
755               Write_Eol;
756               Write_A_String ("  (");
757               Write_A_String
758                 (Get_Name_String (Sources.Table (Index).Unit_Name));
759               Write_A_String (",");
760               Write_Eol;
761
762               if Sources.Table (Index).Spec then
763                  Write_A_String ("   Spec_File_Name => """);
764
765               else
766                  Write_A_String ("   Body_File_Name => """);
767               end if;
768
769               Write_A_String
770                 (Get_Name_String (Sources.Table (Index).File_Name));
771
772               Write_A_String ("""");
773
774               if Sources.Table (Index).Index /= 0 then
775                  Write_A_String (", Index =>");
776                  Write_A_String (Sources.Table (Index).Index'Img);
777               end if;
778
779               Write_A_String (");");
780               Write_Eol;
781            end if;
782         end loop;
783
784         Close (Output_FD);
785      end if;
786   end Finalize;
787
788   ----------------
789   -- Initialize --
790   ----------------
791
792   procedure Initialize
793     (File_Path         : String;
794      Project_File      : Boolean;
795      Preproc_Switches  : Argument_List;
796      Very_Verbose      : Boolean;
797      Flags             : Processing_Flags)
798   is
799   begin
800      Makr.Very_Verbose := Initialize.Very_Verbose;
801      Makr.Project_File := Initialize.Project_File;
802
803      --  Do some needed initializations
804
805      Csets.Initialize;
806      Snames.Initialize;
807      Stringt.Initialize;
808
809      Prj.Initialize (No_Project_Tree);
810
811      Prj.Tree.Initialize (Root_Environment, Flags);
812      Prj.Env.Initialize_Default_Project_Path
813        (Root_Environment.Project_Path,
814         Target_Name => Sdefault.Target_Name.all);
815
816      Prj.Tree.Initialize (Tree);
817
818      Sources.Set_Last (0);
819      Source_Directories.Set_Last (0);
820
821      --  Initialize the compiler switches
822
823      Args := new Argument_List (1 .. Preproc_Switches'Length + 6);
824      Args (1) := new String'("-c");
825      Args (2) := new String'("-gnats");
826      Args (3) := new String'("-gnatu");
827      Args (4 .. 3 + Preproc_Switches'Length) := Preproc_Switches;
828      Args (4 + Preproc_Switches'Length) := new String'("-x");
829      Args (5 + Preproc_Switches'Length) := new String'("ada");
830
831      --  Get the path and file names
832
833      Path_Name := new
834        String (1 .. File_Path'Length + Project_File_Extension'Length);
835      Path_Last := File_Path'Length;
836
837      if File_Names_Case_Sensitive then
838         Path_Name (1 .. Path_Last) := File_Path;
839      else
840         Path_Name (1 .. Path_Last) := To_Lower (File_Path);
841      end if;
842
843      Path_Name (Path_Last + 1 .. Path_Name'Last) :=
844        Project_File_Extension;
845
846      --  Get the end of directory information, if any
847
848      for Index in reverse 1 .. Path_Last loop
849         if Path_Name (Index) = Directory_Separator then
850            Directory_Last := Index;
851            exit;
852         end if;
853      end loop;
854
855      if Project_File then
856         if Path_Last < Project_File_Extension'Length + 1
857           or else Path_Name
858           (Path_Last - Project_File_Extension'Length + 1 .. Path_Last)
859           /= Project_File_Extension
860         then
861            Path_Last := Path_Name'Last;
862         end if;
863
864         Output_Name := new String'(To_Lower (Path_Name (1 .. Path_Last)));
865         Output_Name_Last := Output_Name'Last - 4;
866
867         --  If there is already a project file with the specified name, parse
868         --  it to get the components that are not automatically generated.
869
870         if Is_Regular_File (Output_Name (1 .. Path_Last)) then
871            if Opt.Verbose_Mode then
872               Output.Write_Str ("Parsing already existing project file """);
873               Output.Write_Str (Output_Name.all);
874               Output.Write_Line ("""");
875            end if;
876
877            Part.Parse
878              (In_Tree                => Tree,
879               Project                => Project_Node,
880               Project_File_Name      => Output_Name.all,
881               Errout_Handling        => Part.Finalize_If_Error,
882               Store_Comments         => True,
883               Is_Config_File         => False,
884               Env                    => Root_Environment,
885               Current_Directory      => Get_Current_Dir,
886               Packages_To_Check      => Packages_To_Check_By_Gnatname);
887
888            --  Fail if parsing was not successful
889
890            if No (Project_Node) then
891               Prj.Com.Fail ("parsing of existing project file failed");
892
893            elsif Project_Qualifier_Of (Project_Node, Tree) = Aggregate then
894               Prj.Com.Fail ("aggregate projects are not supported");
895
896            elsif Project_Qualifier_Of (Project_Node, Tree) =
897                                                    Aggregate_Library
898            then
899               Prj.Com.Fail ("aggregate library projects are not supported");
900
901            else
902               --  If parsing was successful, remove the components that are
903               --  automatically generated, if any, so that they will be
904               --  unconditionally added later.
905
906               --  Remove the with clause for the naming project file
907
908               declare
909                  With_Clause : Project_Node_Id :=
910                                  First_With_Clause_Of (Project_Node, Tree);
911                  Previous    : Project_Node_Id := Empty_Node;
912
913               begin
914                  while Present (With_Clause) loop
915                     if Prj.Tree.Name_Of (With_Clause, Tree) =
916                          Project_Naming_Id
917                     then
918                        if No (Previous) then
919                           Set_First_With_Clause_Of
920                             (Project_Node, Tree,
921                              To => Next_With_Clause_Of (With_Clause, Tree));
922                        else
923                           Set_Next_With_Clause_Of
924                             (Previous, Tree,
925                              To => Next_With_Clause_Of (With_Clause, Tree));
926                        end if;
927
928                        exit;
929                     end if;
930
931                     Previous := With_Clause;
932                     With_Clause := Next_With_Clause_Of (With_Clause, Tree);
933                  end loop;
934               end;
935
936               --  Remove attribute declarations of Source_Files,
937               --  Source_List_File, Source_Dirs, and the declaration of
938               --  package Naming, if they exist, but preserve the comments
939               --  attached to these nodes.
940
941               declare
942                  Declaration  : Project_Node_Id :=
943                                   First_Declarative_Item_Of
944                                     (Project_Declaration_Of
945                                        (Project_Node, Tree),
946                                      Tree);
947                  Previous     : Project_Node_Id := Empty_Node;
948                  Current_Node : Project_Node_Id := Empty_Node;
949
950                  Name         : Name_Id;
951                  Kind_Of_Node : Project_Node_Kind;
952                  Comments     : Project_Node_Id;
953
954               begin
955                  while Present (Declaration) loop
956                     Current_Node := Current_Item_Node (Declaration, Tree);
957
958                     Kind_Of_Node := Kind_Of (Current_Node, Tree);
959
960                     if Kind_Of_Node = N_Attribute_Declaration or else
961                       Kind_Of_Node = N_Package_Declaration
962                     then
963                        Name := Prj.Tree.Name_Of (Current_Node, Tree);
964
965                        if Nam_In (Name, Name_Source_Files,
966                                         Name_Source_List_File,
967                                         Name_Source_Dirs,
968                                         Name_Naming)
969                        then
970                           Comments :=
971                             Tree.Project_Nodes.Table (Current_Node).Comments;
972
973                           if Name = Name_Source_Files then
974                              Source_Files_Comments := Comments;
975
976                           elsif Name = Name_Source_List_File then
977                              Source_List_File_Comments := Comments;
978
979                           elsif Name = Name_Source_Dirs then
980                              Source_Dirs_Comments := Comments;
981
982                           elsif Name = Name_Naming then
983                              Naming_Package_Comments := Comments;
984                           end if;
985
986                           if No (Previous) then
987                              Set_First_Declarative_Item_Of
988                                (Project_Declaration_Of (Project_Node, Tree),
989                                 Tree,
990                                 To => Next_Declarative_Item
991                                         (Declaration, Tree));
992
993                           else
994                              Set_Next_Declarative_Item
995                                (Previous, Tree,
996                                 To => Next_Declarative_Item
997                                         (Declaration, Tree));
998                           end if;
999
1000                        else
1001                           Previous := Declaration;
1002                        end if;
1003                     end if;
1004
1005                     Declaration := Next_Declarative_Item (Declaration, Tree);
1006                  end loop;
1007               end;
1008            end if;
1009         end if;
1010
1011         if Directory_Last /= 0 then
1012            Output_Name (1 .. Output_Name_Last - Directory_Last) :=
1013              Output_Name (Directory_Last + 1 .. Output_Name_Last);
1014            Output_Name_Last := Output_Name_Last - Directory_Last;
1015         end if;
1016
1017         --  Get the project name id
1018
1019         Name_Len := Output_Name_Last;
1020         Name_Buffer (1 .. Name_Len) := Output_Name (1 .. Name_Len);
1021         Output_Name_Id := Name_Find;
1022
1023         --  Create the project naming file name
1024
1025         Project_Naming_Last := Output_Name_Last;
1026         Project_Naming_File_Name :=
1027           new String'(Output_Name (1 .. Output_Name_Last) &
1028                       Naming_File_Suffix &
1029                       Project_File_Extension);
1030         Project_Naming_Last :=
1031           Project_Naming_Last + Naming_File_Suffix'Length;
1032
1033         --  Get the project naming id
1034
1035         Name_Len := Project_Naming_Last;
1036         Name_Buffer (1 .. Name_Len) :=
1037           Project_Naming_File_Name (1 .. Name_Len);
1038         Project_Naming_Id := Name_Find;
1039
1040         Project_Naming_Last :=
1041           Project_Naming_Last + Project_File_Extension'Length;
1042
1043         --  Create the source list file name
1044
1045         Source_List_Last := Output_Name_Last;
1046         Source_List_Path :=
1047           new String'(Output_Name (1 .. Output_Name_Last) &
1048                       Source_List_File_Suffix);
1049         Source_List_Last :=
1050           Output_Name_Last + Source_List_File_Suffix'Length;
1051
1052         --  Add the project file extension to the project name
1053
1054         Output_Name
1055           (Output_Name_Last + 1 ..
1056              Output_Name_Last + Project_File_Extension'Length) :=
1057           Project_File_Extension;
1058         Output_Name_Last := Output_Name_Last + Project_File_Extension'Length;
1059
1060         --  Back up project file if it already exists
1061
1062         if not Opt.No_Backup
1063           and then Is_Regular_File (Path_Name (1 .. Path_Last))
1064         then
1065            declare
1066               Discard    : Boolean;
1067               Saved_Path : constant String :=
1068                              Path_Name (1 .. Path_Last) & ".saved_";
1069               Nmb        : Natural;
1070
1071            begin
1072               Nmb := 0;
1073               loop
1074                  declare
1075                     Img : constant String := Nmb'Img;
1076
1077                  begin
1078                     if not Is_Regular_File
1079                              (Saved_Path & Img (2 .. Img'Last))
1080                     then
1081                        Copy_File
1082                          (Name     => Path_Name (1 .. Path_Last),
1083                           Pathname => Saved_Path & Img (2 .. Img'Last),
1084                           Mode     => Overwrite,
1085                           Success  => Discard);
1086                        exit;
1087                     end if;
1088
1089                     Nmb := Nmb + 1;
1090                  end;
1091               end loop;
1092            end;
1093         end if;
1094      end if;
1095
1096      --  Change the current directory to the directory of the project file,
1097      --  if any directory information is specified.
1098
1099      if Directory_Last /= 0 then
1100         begin
1101            Change_Dir (Path_Name (1 .. Directory_Last));
1102         exception
1103            when Directory_Error =>
1104               Prj.Com.Fail
1105                 ("unknown directory """
1106                  & Path_Name (1 .. Directory_Last)
1107                  & """");
1108         end;
1109      end if;
1110   end Initialize;
1111
1112   -------------
1113   -- Process --
1114   -------------
1115
1116   procedure Process
1117     (Directories       : Argument_List;
1118      Name_Patterns     : Regexp_List;
1119      Excluded_Patterns : Regexp_List;
1120      Foreign_Patterns  : Regexp_List)
1121  is
1122      procedure Process_Directory (Dir_Name : String; Recursively : Boolean);
1123      --  Look for Ada and foreign sources in a directory, according to the
1124      --  patterns. When Recursively is True, after looking for sources in
1125      --  Dir_Name, look also in its subdirectories, if any.
1126
1127      -----------------------
1128      -- Process_Directory --
1129      -----------------------
1130
1131      procedure Process_Directory (Dir_Name : String; Recursively : Boolean) is
1132         Matched : Matched_Type := False;
1133         Str     : String (1 .. 2_000);
1134         Canon   : String (1 .. 2_000);
1135         Last    : Natural;
1136         Dir     : Dir_Type;
1137         Do_Process : Boolean := True;
1138
1139         Temp_File_Name         : String_Access := null;
1140         Save_Last_Source_Index : Natural := 0;
1141         File_Name_Id           : Name_Id := No_Name;
1142
1143         Current_Source : Source;
1144
1145      begin
1146         --  Avoid processing the same directory more than once
1147
1148         for Index in 1 .. Processed_Directories.Last loop
1149            if Processed_Directories.Table (Index).all = Dir_Name then
1150               Do_Process := False;
1151               exit;
1152            end if;
1153         end loop;
1154
1155         if Do_Process then
1156            if Opt.Verbose_Mode then
1157               Output.Write_Str ("Processing directory """);
1158               Output.Write_Str (Dir_Name);
1159               Output.Write_Line ("""");
1160            end if;
1161
1162            Processed_Directories. Increment_Last;
1163            Processed_Directories.Table (Processed_Directories.Last) :=
1164              new String'(Dir_Name);
1165
1166            --  Get the source file names from the directory. Fails if the
1167            --  directory does not exist.
1168
1169            begin
1170               Open (Dir, Dir_Name);
1171            exception
1172               when Directory_Error =>
1173                  Prj.Com.Fail ("cannot open directory """ & Dir_Name & """");
1174            end;
1175
1176            --  Process each regular file in the directory
1177
1178            File_Loop : loop
1179               Read (Dir, Str, Last);
1180               exit File_Loop when Last = 0;
1181
1182               --  Copy the file name and put it in canonical case to match
1183               --  against the patterns that have themselves already been put
1184               --  in canonical case.
1185
1186               Canon (1 .. Last) := Str (1 .. Last);
1187               Canonical_Case_File_Name (Canon (1 .. Last));
1188
1189               if Is_Regular_File
1190                    (Dir_Name & Directory_Separator & Str (1 .. Last))
1191               then
1192                  Matched := True;
1193
1194                  Name_Len := Last;
1195                  Name_Buffer (1 .. Name_Len) := Str (1 .. Last);
1196                  File_Name_Id := Name_Find;
1197
1198                  --  First, check if the file name matches at least one of
1199                  --  the excluded expressions;
1200
1201                  for Index in Excluded_Patterns'Range loop
1202                     if
1203                       Match (Canon (1 .. Last), Excluded_Patterns (Index))
1204                     then
1205                        Matched := Excluded;
1206                        exit;
1207                     end if;
1208                  end loop;
1209
1210                  --  If it does not match any of the excluded expressions,
1211                  --  check if the file name matches at least one of the
1212                  --  regular expressions.
1213
1214                  if Matched = True then
1215                     Matched := False;
1216
1217                     for Index in Name_Patterns'Range loop
1218                        if
1219                          Match
1220                            (Canon (1 .. Last), Name_Patterns (Index))
1221                        then
1222                           Matched := True;
1223                           exit;
1224                        end if;
1225                     end loop;
1226                  end if;
1227
1228                  if Very_Verbose
1229                    or else (Matched = True and then Opt.Verbose_Mode)
1230                  then
1231                     Output.Write_Str ("   Checking """);
1232                     Output.Write_Str (Str (1 .. Last));
1233                     Output.Write_Line (""": ");
1234                  end if;
1235
1236                  --  If the file name matches one of the regular expressions,
1237                  --  parse it to get its unit name.
1238
1239                  if Matched = True then
1240                     declare
1241                        FD : File_Descriptor;
1242                        Success : Boolean;
1243                        Saved_Output : File_Descriptor;
1244                        Saved_Error  : File_Descriptor;
1245                        Tmp_File     : Path_Name_Type;
1246
1247                     begin
1248                        --  If we don't have the path of the compiler yet,
1249                        --  get it now. The compiler name may have a prefix,
1250                        --  so we get the potentially prefixed name.
1251
1252                        if Gcc_Path = null then
1253                           declare
1254                              Prefix_Gcc : String_Access :=
1255                                             Program_Name (Gcc, "gnatname");
1256                           begin
1257                              Gcc_Path :=
1258                                Locate_Exec_On_Path (Prefix_Gcc.all);
1259                              Free (Prefix_Gcc);
1260                           end;
1261
1262                           if Gcc_Path = null then
1263                              Prj.Com.Fail ("could not locate " & Gcc);
1264                           end if;
1265                        end if;
1266
1267                        --  Create the temporary file
1268
1269                        Tempdir.Create_Temp_File (FD, Tmp_File);
1270
1271                        if FD = Invalid_FD then
1272                           Prj.Com.Fail
1273                             ("could not create temporary file");
1274
1275                        else
1276                           Temp_File_Name :=
1277                             new String'(Get_Name_String (Tmp_File));
1278                        end if;
1279
1280                        Args (Args'Last) :=
1281                          new String'
1282                            (Dir_Name & Directory_Separator & Str (1 .. Last));
1283
1284                        --  Save the standard output and error
1285
1286                        Saved_Output := Dup (Standout);
1287                        Saved_Error  := Dup (Standerr);
1288
1289                        --  Set standard output and error to the temporary file
1290
1291                        Dup2 (FD, Standout);
1292                        Dup2 (FD, Standerr);
1293
1294                        --  And spawn the compiler
1295
1296                        Spawn (Gcc_Path.all, Args.all, Success);
1297
1298                        --  Restore the standard output and error
1299
1300                        Dup2 (Saved_Output, Standout);
1301                        Dup2 (Saved_Error, Standerr);
1302
1303                        --  Close the temporary file
1304
1305                        Close (FD);
1306
1307                        --  And close the saved standard output and error to
1308                        --  avoid too many file descriptors.
1309
1310                        Close (Saved_Output);
1311                        Close (Saved_Error);
1312
1313                        --  Now that standard output is restored, check if
1314                        --  the compiler ran correctly.
1315
1316                        --  Read the lines of the temporary file:
1317                        --  they should contain the kind and name of the unit.
1318
1319                        declare
1320                           File      : Text_File;
1321                           Text_Line : String (1 .. 1_000);
1322                           Text_Last : Natural;
1323
1324                        begin
1325                           Open (File, Temp_File_Name.all);
1326
1327                           if not Is_Valid (File) then
1328                              Prj.Com.Fail
1329                                ("could not read temporary file " &
1330                                 Temp_File_Name.all);
1331                           end if;
1332
1333                           Save_Last_Source_Index := Sources.Last;
1334
1335                           if End_Of_File (File) then
1336                              if Opt.Verbose_Mode then
1337                                 if not Success then
1338                                    Output.Write_Str ("      (process died) ");
1339                                 end if;
1340                              end if;
1341
1342                           else
1343                              Line_Loop : while not End_Of_File (File) loop
1344                                 Get_Line (File, Text_Line, Text_Last);
1345
1346                                 --  Find the first closing parenthesis
1347
1348                                 Char_Loop : for J in 1 .. Text_Last loop
1349                                    if Text_Line (J) = ')' then
1350                                       if J >= 13 and then
1351                                         Text_Line (1 .. 4) = "Unit"
1352                                       then
1353                                          --  Add entry to Sources table
1354
1355                                          Name_Len := J - 12;
1356                                          Name_Buffer (1 .. Name_Len) :=
1357                                            Text_Line (6 .. J - 7);
1358                                          Current_Source :=
1359                                            (Unit_Name  => Name_Find,
1360                                             File_Name  => File_Name_Id,
1361                                             Index => 0,
1362                                             Spec  => Text_Line (J - 5 .. J) =
1363                                                        "(spec)");
1364
1365                                          Sources.Append (Current_Source);
1366                                       end if;
1367
1368                                       exit Char_Loop;
1369                                    end if;
1370                                 end loop Char_Loop;
1371                              end loop Line_Loop;
1372                           end if;
1373
1374                           if Save_Last_Source_Index = Sources.Last then
1375                              if Opt.Verbose_Mode then
1376                                 Output.Write_Line ("      not a unit");
1377                              end if;
1378
1379                           else
1380                              if Sources.Last >
1381                                   Save_Last_Source_Index + 1
1382                              then
1383                                 for Index in Save_Last_Source_Index + 1 ..
1384                                                Sources.Last
1385                                 loop
1386                                    Sources.Table (Index).Index :=
1387                                      Int (Index - Save_Last_Source_Index);
1388                                 end loop;
1389                              end if;
1390
1391                              for Index in Save_Last_Source_Index + 1 ..
1392                                             Sources.Last
1393                              loop
1394                                 Current_Source := Sources.Table (Index);
1395
1396                                 if Opt.Verbose_Mode then
1397                                    if Current_Source.Spec then
1398                                       Output.Write_Str ("      spec of ");
1399
1400                                    else
1401                                       Output.Write_Str ("      body of ");
1402                                    end if;
1403
1404                                    Output.Write_Line
1405                                      (Get_Name_String
1406                                         (Current_Source.Unit_Name));
1407                                 end if;
1408                              end loop;
1409                           end if;
1410
1411                           Close (File);
1412
1413                           Delete_File (Temp_File_Name.all, Success);
1414                        end;
1415                     end;
1416
1417                  --  File name matches none of the regular expressions
1418
1419                  else
1420                     --  If file is not excluded, see if this is foreign source
1421
1422                     if Matched /= Excluded then
1423                        for Index in Foreign_Patterns'Range loop
1424                           if Match (Canon (1 .. Last),
1425                                     Foreign_Patterns (Index))
1426                           then
1427                              Matched := True;
1428                              exit;
1429                           end if;
1430                        end loop;
1431                     end if;
1432
1433                     if Very_Verbose then
1434                        case Matched is
1435                           when False =>
1436                              Output.Write_Line ("no match");
1437
1438                           when Excluded =>
1439                              Output.Write_Line ("excluded");
1440
1441                           when True =>
1442                              Output.Write_Line ("foreign source");
1443                        end case;
1444                     end if;
1445
1446                     if Matched = True then
1447
1448                        --  Add source file name without unit name
1449
1450                        Name_Len := 0;
1451                        Add_Str_To_Name_Buffer (Canon (1 .. Last));
1452                        Sources.Append
1453                          ((File_Name => Name_Find,
1454                            Unit_Name => No_Name,
1455                            Index     => 0,
1456                            Spec      => False));
1457                     end if;
1458                  end if;
1459               end if;
1460            end loop File_Loop;
1461
1462            Close (Dir);
1463         end if;
1464
1465         --  If Recursively is True, call itself for each subdirectory.
1466         --  We do that, even when this directory has already been processed,
1467         --  because all of its subdirectories may not have been processed.
1468
1469         if Recursively then
1470            Open (Dir, Dir_Name);
1471
1472            loop
1473               Read (Dir, Str, Last);
1474               exit when Last = 0;
1475
1476               --  Do not call itself for "." or ".."
1477
1478               if Is_Directory
1479                    (Dir_Name & Directory_Separator & Str (1 .. Last))
1480                 and then Str (1 .. Last) /= "."
1481                 and then Str (1 .. Last) /= ".."
1482               then
1483                  Process_Directory
1484                    (Dir_Name & Directory_Separator & Str (1 .. Last),
1485                     Recursively => True);
1486               end if;
1487            end loop;
1488
1489            Close (Dir);
1490         end if;
1491      end Process_Directory;
1492
1493   --  Start of processing for Process
1494
1495   begin
1496      Processed_Directories.Set_Last (0);
1497
1498      --  Process each directory
1499
1500      for Index in Directories'Range  loop
1501
1502         declare
1503            Dir_Name    : constant String := Directories (Index).all;
1504            Last        : Natural := Dir_Name'Last;
1505            Recursively : Boolean := False;
1506            Found       : Boolean;
1507            Canonical   : String (1 .. Dir_Name'Length) := Dir_Name;
1508
1509         begin
1510            Canonical_Case_File_Name (Canonical);
1511
1512            Found := False;
1513            for J in 1 .. Source_Directories.Last loop
1514               if Source_Directories.Table (J).all = Canonical then
1515                  Found := True;
1516                  exit;
1517               end if;
1518            end loop;
1519
1520            if not Found then
1521               Source_Directories.Append (new String'(Canonical));
1522            end if;
1523
1524            if Dir_Name'Length >= 4
1525              and then (Dir_Name (Last - 2 .. Last) = "/**")
1526            then
1527               Last := Last - 3;
1528               Recursively := True;
1529            end if;
1530
1531            Process_Directory (Dir_Name (Dir_Name'First .. Last), Recursively);
1532         end;
1533
1534      end loop;
1535   end Process;
1536
1537   ----------------
1538   -- Write_Char --
1539   ----------------
1540   procedure Write_A_Char (C : Character) is
1541   begin
1542      Write_A_String ((1 => C));
1543   end Write_A_Char;
1544
1545   ---------------
1546   -- Write_Eol --
1547   ---------------
1548
1549   procedure Write_Eol is
1550   begin
1551      Write_A_String ((1 => ASCII.LF));
1552   end Write_Eol;
1553
1554   --------------------
1555   -- Write_A_String --
1556   --------------------
1557
1558   procedure Write_A_String (S : String) is
1559      Str : String (1 .. S'Length);
1560
1561   begin
1562      if S'Length > 0 then
1563         Str := S;
1564
1565         if Write (Output_FD, Str (1)'Address, Str'Length) /= Str'Length then
1566            Prj.Com.Fail ("disk full");
1567         end if;
1568      end if;
1569   end Write_A_String;
1570
1571end Prj.Makr;
1572