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Merged trunk at revision 161680 into branch.
[official-gcc.git] / gcc / ada / clean.adb
blob54497274f2d26e552bd2cc3354f0926bdeeeffc7
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2010, 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
26 with ALI; use ALI;
27 with Csets;
28 with Makeutl; use Makeutl;
29 with MLib.Tgt; use MLib.Tgt;
30 with Namet; use Namet;
31 with Opt; use Opt;
32 with Osint; use Osint;
33 with Osint.M; use Osint.M;
34 with Prj; use Prj;
35 with Prj.Env;
36 with Prj.Ext;
37 with Prj.Pars;
38 with Prj.Tree; use Prj.Tree;
39 with Prj.Util; use Prj.Util;
40 with Snames;
41 with Switch; use Switch;
42 with Table;
43 with Targparm; use Targparm;
44 with Types; use Types;
45
46 with Ada.Command_Line; use Ada.Command_Line;
47
48 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
49 with GNAT.IO; use GNAT.IO;
50 with GNAT.OS_Lib; use GNAT.OS_Lib;
51
52 package body Clean is
53
54 Initialized : Boolean := False;
55 -- Set to True by the first call to Initialize.
56 -- To avoid reinitialization of some packages.
57
58 -- Suffixes of various files
59
60 Assembly_Suffix : constant String := ".s";
61 ALI_Suffix : constant String := ".ali";
62 Tree_Suffix : constant String := ".adt";
63 Object_Suffix : constant String := Get_Target_Object_Suffix.all;
64 Debug_Suffix : String := ".dg";
65 -- Changed to "_dg" for VMS in the body of the package
66
67 Repinfo_Suffix : String := ".rep";
68 -- Changed to "_rep" for VMS in the body of the package
69
70 B_Start : String_Ptr := new String'("b~");
71 -- Prefix of binder generated file, and number of actual characters used.
72 -- Changed to "b__" for VMS in the body of the package.
73
74 Object_Directory_Path : String_Access := null;
75 -- The path name of the object directory, set with switch -D
76
77 Force_Deletions : Boolean := False;
78 -- Set to True by switch -f. When True, attempts to delete non writable
79 -- files will be done.
80
81 Do_Nothing : Boolean := False;
82 -- Set to True when switch -n is specified. When True, no file is deleted.
83 -- gnatclean only lists the files that would have been deleted if the
84 -- switch -n had not been specified.
85
86 File_Deleted : Boolean := False;
87 -- Set to True if at least one file has been deleted
88
89 Copyright_Displayed : Boolean := False;
90 Usage_Displayed : Boolean := False;
91
92 Project_File_Name : String_Access := null;
93
94 Project_Node_Tree : Project_Node_Tree_Ref;
95
96 Main_Project : Prj.Project_Id := Prj.No_Project;
97
98 All_Projects : Boolean := False;
99
100 -- Packages of project files where unknown attributes are errors
101
102 Naming_String : aliased String := "naming";
103 Builder_String : aliased String := "builder";
104 Compiler_String : aliased String := "compiler";
105 Binder_String : aliased String := "binder";
106 Linker_String : aliased String := "linker";
107
108 Gnatmake_Packages : aliased String_List :=
109 (Naming_String 'Access,
110 Builder_String 'Access,
111 Compiler_String 'Access,
112 Binder_String 'Access,
113 Linker_String 'Access);
114
115 Packages_To_Check_By_Gnatmake : constant String_List_Access :=
116 Gnatmake_Packages'Access;
117
118 package Processed_Projects is new Table.Table
119 (Table_Component_Type => Project_Id,
120 Table_Index_Type => Natural,
121 Table_Low_Bound => 0,
122 Table_Initial => 10,
123 Table_Increment => 100,
124 Table_Name => "Clean.Processed_Projects");
125 -- Table to keep track of what project files have been processed, when
126 -- switch -r is specified.
127
128 package Sources is new Table.Table
129 (Table_Component_Type => File_Name_Type,
130 Table_Index_Type => Natural,
131 Table_Low_Bound => 0,
132 Table_Initial => 10,
133 Table_Increment => 100,
134 Table_Name => "Clean.Processed_Projects");
135 -- Table to store all the source files of a library unit: spec, body and
136 -- subunits, to detect .dg files and delete them.
137
138 ----------------------------
139 -- Queue (Q) manipulation --
140 ----------------------------
141
142 procedure Init_Q;
143 -- Must be called to initialize the Q
144
145 procedure Insert_Q (Lib_File : File_Name_Type);
146 -- If Lib_File is not marked, inserts it at the end of Q and mark it
147
148 function Empty_Q return Boolean;
149 -- Returns True if Q is empty
150
151 procedure Extract_From_Q (Lib_File : out File_Name_Type);
152 -- Extracts the first element from the Q
153
154 Q_Front : Natural;
155 -- Points to the first valid element in the Q
156
157 package Q is new Table.Table (
158 Table_Component_Type => File_Name_Type,
159 Table_Index_Type => Natural,
160 Table_Low_Bound => 0,
161 Table_Initial => 4000,
162 Table_Increment => 100,
163 Table_Name => "Clean.Q");
164 -- This is the actual queue
165
166 -----------------------------
167 -- Other local subprograms --
168 -----------------------------
169
170 procedure Add_Source_Dir (N : String);
171 -- Call Add_Src_Search_Dir and output one line when in verbose mode
172
173 procedure Add_Source_Directories is
174 new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
175
176 procedure Add_Object_Dir (N : String);
177 -- Call Add_Lib_Search_Dir and output one line when in verbose mode
178
179 procedure Add_Object_Directories is
180 new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
181
182 function ALI_File_Name (Source : File_Name_Type) return String;
183 -- Returns the name of the ALI file corresponding to Source
184
185 function Assembly_File_Name (Source : File_Name_Type) return String;
186 -- Returns the assembly file name corresponding to Source
187
188 procedure Clean_Archive (Project : Project_Id; Global : Boolean);
189 -- Delete a global archive or library project archive and the dependency
190 -- file, if they exist.
191
192 procedure Clean_Executables;
193 -- Do the cleaning work when no project file is specified
194
195 procedure Clean_Interface_Copy_Directory (Project : Project_Id);
196 -- Delete files in an interface copy directory: any file that is a copy of
197 -- a source of the project.
198
199 procedure Clean_Library_Directory (Project : Project_Id);
200 -- Delete the library file in a library directory and any ALI file of a
201 -- source of the project in a library ALI directory.
202
203 procedure Clean_Project (Project : Project_Id);
204 -- Do the cleaning work when a project file is specified. This procedure
205 -- calls itself recursively when there are several project files in the
206 -- tree rooted at the main project file and switch -r has been specified.
207
208 function Debug_File_Name (Source : File_Name_Type) return String;
209 -- Name of the expanded source file corresponding to Source
210
211 procedure Delete (In_Directory : String; File : String);
212 -- Delete one file, or list the file name if switch -n is specified
213
214 procedure Delete_Binder_Generated_Files
215 (Dir : String;
216 Source : File_Name_Type);
217 -- Delete the binder generated file in directory Dir for Source, if they
218 -- exist: for Unix these are b~<source>.ads, b~<source>.adb,
219 -- b~<source>.ali and b~<source>.o.
220
221 procedure Display_Copyright;
222 -- Display the Copyright notice. If called several times, display the
223 -- Copyright notice only the first time.
224
225 procedure Initialize;
226 -- Call the necessary package initializations
227
228 function Object_File_Name (Source : File_Name_Type) return String;
229 -- Returns the object file name corresponding to Source
230
231 procedure Parse_Cmd_Line;
232 -- Parse the command line
233
234 function Repinfo_File_Name (Source : File_Name_Type) return String;
235 -- Returns the repinfo file name corresponding to Source
236
237 function Tree_File_Name (Source : File_Name_Type) return String;
238 -- Returns the tree file name corresponding to Source
239
240 function In_Extension_Chain
241 (Of_Project : Project_Id;
242 Prj : Project_Id) return Boolean;
243 -- Returns True iff Prj is an extension of Of_Project or if Of_Project is
244 -- an extension of Prj.
245
246 procedure Usage;
247 -- Display the usage. If called several times, the usage is displayed only
248 -- the first time.
249
250 --------------------
251 -- Add_Object_Dir --
252 --------------------
253
254 procedure Add_Object_Dir (N : String) is
255 begin
256 Add_Lib_Search_Dir (N);
257
258 if Opt.Verbose_Mode then
259 Put ("Adding object directory """);
260 Put (N);
261 Put (""".");
262 New_Line;
263 end if;
264 end Add_Object_Dir;
265
266 --------------------
267 -- Add_Source_Dir --
268 --------------------
269
270 procedure Add_Source_Dir (N : String) is
271 begin
272 Add_Src_Search_Dir (N);
273
274 if Opt.Verbose_Mode then
275 Put ("Adding source directory """);
276 Put (N);
277 Put (""".");
278 New_Line;
279 end if;
280 end Add_Source_Dir;
281
282 -------------------
283 -- ALI_File_Name --
284 -------------------
285
286 function ALI_File_Name (Source : File_Name_Type) return String is
287 Src : constant String := Get_Name_String (Source);
288
289 begin
290 -- If the source name has an extension, then replace it with
291 -- the ALI suffix.
292
293 for Index in reverse Src'First + 1 .. Src'Last loop
294 if Src (Index) = '.' then
295 return Src (Src'First .. Index - 1) & ALI_Suffix;
296 end if;
297 end loop;
298
299 -- If there is no dot, or if it is the first character, just add the
300 -- ALI suffix.
301
302 return Src & ALI_Suffix;
303 end ALI_File_Name;
304
305 ------------------------
306 -- Assembly_File_Name --
307 ------------------------
308
309 function Assembly_File_Name (Source : File_Name_Type) return String is
310 Src : constant String := Get_Name_String (Source);
311
312 begin
313 -- If the source name has an extension, then replace it with
314 -- the assembly suffix.
315
316 for Index in reverse Src'First + 1 .. Src'Last loop
317 if Src (Index) = '.' then
318 return Src (Src'First .. Index - 1) & Assembly_Suffix;
319 end if;
320 end loop;
321
322 -- If there is no dot, or if it is the first character, just add the
323 -- assembly suffix.
324
325 return Src & Assembly_Suffix;
326 end Assembly_File_Name;
327
328 -------------------
329 -- Clean_Archive --
330 -------------------
331
332 procedure Clean_Archive (Project : Project_Id; Global : Boolean) is
333 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
334
335 Lib_Prefix : String_Access;
336 Archive_Name : String_Access;
337 -- The name of the archive file for this project
338
339 Archive_Dep_Name : String_Access;
340 -- The name of the archive dependency file for this project
341
342 Obj_Dir : constant String :=
343 Get_Name_String (Project.Object_Directory.Display_Name);
344
345 begin
346 Change_Dir (Obj_Dir);
347
348 -- First, get the lib prefix, the archive file name and the archive
349 -- dependency file name.
350
351 if Global then
352 Lib_Prefix :=
353 new String'("lib" & Get_Name_String (Project.Display_Name));
354 else
355 Lib_Prefix :=
356 new String'("lib" & Get_Name_String (Project.Library_Name));
357 end if;
358
359 Archive_Name := new String'(Lib_Prefix.all & '.' & Archive_Ext);
360 Archive_Dep_Name := new String'(Lib_Prefix.all & ".deps");
361
362 -- Delete the archive file and the archive dependency file, if they
363 -- exist.
364
365 if Is_Regular_File (Archive_Name.all) then
366 Delete (Obj_Dir, Archive_Name.all);
367 end if;
368
369 if Is_Regular_File (Archive_Dep_Name.all) then
370 Delete (Obj_Dir, Archive_Dep_Name.all);
371 end if;
372
373 Change_Dir (Current_Dir);
374 end Clean_Archive;
375
376 -----------------------
377 -- Clean_Executables --
378 -----------------------
379
380 procedure Clean_Executables is
381 Main_Source_File : File_Name_Type;
382 -- Current main source
383
384 Main_Lib_File : File_Name_Type;
385 -- ALI file of the current main
386
387 Lib_File : File_Name_Type;
388 -- Current ALI file
389
390 Full_Lib_File : File_Name_Type;
391 -- Full name of the current ALI file
392
393 Text : Text_Buffer_Ptr;
394 The_ALI : ALI_Id;
395
396 begin
397 Init_Q;
398
399 -- It does not really matter if there is or not an object file
400 -- corresponding to an ALI file: if there is one, it will be deleted.
401
402 Opt.Check_Object_Consistency := False;
403
404 -- Proceed each executable one by one. Each source is marked as it is
405 -- processed, so common sources between executables will not be
406 -- processed several times.
407
408 for N_File in 1 .. Osint.Number_Of_Files loop
409 Main_Source_File := Next_Main_Source;
410 Main_Lib_File := Osint.Lib_File_Name
411 (Main_Source_File, Current_File_Index);
412 Insert_Q (Main_Lib_File);
413
414 while not Empty_Q loop
415 Sources.Set_Last (0);
416 Extract_From_Q (Lib_File);
417 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
418
419 -- If we have existing ALI file that is not read-only, process it
420
421 if Full_Lib_File /= No_File
422 and then not Is_Readonly_Library (Full_Lib_File)
423 then
424 Text := Read_Library_Info (Lib_File);
425
426 if Text /= null then
427 The_ALI :=
428 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
429 Free (Text);
430
431 -- If no error was produced while loading this ALI file,
432 -- insert into the queue all the unmarked withed sources.
433
434 if The_ALI /= No_ALI_Id then
435 for J in ALIs.Table (The_ALI).First_Unit ..
436 ALIs.Table (The_ALI).Last_Unit
437 loop
438 Sources.Increment_Last;
439 Sources.Table (Sources.Last) :=
440 ALI.Units.Table (J).Sfile;
441
442 for K in ALI.Units.Table (J).First_With ..
443 ALI.Units.Table (J).Last_With
444 loop
445 Insert_Q (Withs.Table (K).Afile);
446 end loop;
447 end loop;
448
449 -- Look for subunits and put them in the Sources table
450
451 for J in ALIs.Table (The_ALI).First_Sdep ..
452 ALIs.Table (The_ALI).Last_Sdep
453 loop
454 if Sdep.Table (J).Subunit_Name /= No_Name then
455 Sources.Increment_Last;
456 Sources.Table (Sources.Last) :=
457 Sdep.Table (J).Sfile;
458 end if;
459 end loop;
460 end if;
461 end if;
462
463 -- Now delete all existing files corresponding to this ALI file
464
465 declare
466 Obj_Dir : constant String :=
467 Dir_Name (Get_Name_String (Full_Lib_File));
468 Obj : constant String := Object_File_Name (Lib_File);
469 Adt : constant String := Tree_File_Name (Lib_File);
470 Asm : constant String := Assembly_File_Name (Lib_File);
471
472 begin
473 Delete (Obj_Dir, Get_Name_String (Lib_File));
474
475 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
476 Delete (Obj_Dir, Obj);
477 end if;
478
479 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
480 Delete (Obj_Dir, Adt);
481 end if;
482
483 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
484 Delete (Obj_Dir, Asm);
485 end if;
486
487 -- Delete expanded source files (.dg) and/or repinfo files
488 -- (.rep) if any
489
490 for J in 1 .. Sources.Last loop
491 declare
492 Deb : constant String :=
493 Debug_File_Name (Sources.Table (J));
494 Rep : constant String :=
495 Repinfo_File_Name (Sources.Table (J));
496
497 begin
498 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
499 Delete (Obj_Dir, Deb);
500 end if;
501
502 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
503 Delete (Obj_Dir, Rep);
504 end if;
505 end;
506 end loop;
507 end;
508 end if;
509 end loop;
510
511 -- Delete the executable, if it exists, and the binder generated
512 -- files, if any.
513
514 if not Compile_Only then
515 declare
516 Source : constant File_Name_Type :=
517 Strip_Suffix (Main_Lib_File);
518 Executable : constant String :=
519 Get_Name_String (Executable_Name (Source));
520 begin
521 if Is_Regular_File (Executable) then
522 Delete ("", Executable);
523 end if;
524
525 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
526 end;
527 end if;
528 end loop;
529 end Clean_Executables;
530
531 ------------------------------------
532 -- Clean_Interface_Copy_Directory --
533 ------------------------------------
534
535 procedure Clean_Interface_Copy_Directory (Project : Project_Id) is
536 Current : constant String := Get_Current_Dir;
537
538 Direc : Dir_Type;
539
540 Name : String (1 .. 200);
541 Last : Natural;
542
543 Delete_File : Boolean;
544 Unit : Unit_Index;
545
546 begin
547 if Project.Library
548 and then Project.Library_Src_Dir /= No_Path_Information
549 then
550 declare
551 Directory : constant String :=
552 Get_Name_String (Project.Library_Src_Dir.Display_Name);
553
554 begin
555 Change_Dir (Directory);
556 Open (Direc, ".");
557
558 -- For each regular file in the directory, if switch -n has not
559 -- been specified, make it writable and delete the file if it is
560 -- a copy of a source of the project.
561
562 loop
563 Read (Direc, Name, Last);
564 exit when Last = 0;
565
566 declare
567 Filename : constant String := Name (1 .. Last);
568
569 begin
570 if Is_Regular_File (Filename) then
571 Canonical_Case_File_Name (Name (1 .. Last));
572 Delete_File := False;
573
574 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
575
576 -- Compare with source file names of the project
577
578 while Unit /= No_Unit_Index loop
579 if Unit.File_Names (Impl) /= null
580 and then Ultimate_Extending_Project_Of
581 (Unit.File_Names (Impl).Project) = Project
582 and then
583 Get_Name_String (Unit.File_Names (Impl).File) =
584 Name (1 .. Last)
585 then
586 Delete_File := True;
587 exit;
588 end if;
589
590 if Unit.File_Names (Spec) /= null
591 and then Ultimate_Extending_Project_Of
592 (Unit.File_Names (Spec).Project) = Project
593 and then
594 Get_Name_String
595 (Unit.File_Names (Spec).File) = Name (1 .. Last)
596 then
597 Delete_File := True;
598 exit;
599 end if;
600
601 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
602 end loop;
603
604 if Delete_File then
605 if not Do_Nothing then
606 Set_Writable (Filename);
607 end if;
608
609 Delete (Directory, Filename);
610 end if;
611 end if;
612 end;
613 end loop;
614
615 Close (Direc);
616
617 -- Restore the initial working directory
618
619 Change_Dir (Current);
620 end;
621 end if;
622 end Clean_Interface_Copy_Directory;
623
624 -----------------------------
625 -- Clean_Library_Directory --
626 -----------------------------
627
628 Empty_String : aliased String := "";
629
630 procedure Clean_Library_Directory (Project : Project_Id) is
631 Current : constant String := Get_Current_Dir;
632
633 Lib_Filename : constant String := Get_Name_String (Project.Library_Name);
634 DLL_Name : String :=
635 DLL_Prefix & Lib_Filename & "." & DLL_Ext;
636 Archive_Name : String :=
637 "lib" & Lib_Filename & "." & Archive_Ext;
638 Direc : Dir_Type;
639
640 Name : String (1 .. 200);
641 Last : Natural;
642
643 Delete_File : Boolean;
644
645 Minor : String_Access := Empty_String'Access;
646 Major : String_Access := Empty_String'Access;
647
648 begin
649 if Project.Library then
650 if Project.Library_Kind /= Static
651 and then MLib.Tgt.Library_Major_Minor_Id_Supported
652 and then Project.Lib_Internal_Name /= No_Name
653 then
654 Minor := new String'(Get_Name_String (Project.Lib_Internal_Name));
655 Major := new String'(MLib.Major_Id_Name (DLL_Name, Minor.all));
656 end if;
657
658 declare
659 Lib_Directory : constant String :=
660 Get_Name_String
661 (Project.Library_Dir.Display_Name);
662 Lib_ALI_Directory : constant String :=
663 Get_Name_String
664 (Project.Library_ALI_Dir.Display_Name);
665
666 begin
667 Canonical_Case_File_Name (Archive_Name);
668 Canonical_Case_File_Name (DLL_Name);
669
670 Change_Dir (Lib_Directory);
671 Open (Direc, ".");
672
673 -- For each regular file in the directory, if switch -n has not
674 -- been specified, make it writable and delete the file if it is
675 -- the library file.
676
677 loop
678 Read (Direc, Name, Last);
679 exit when Last = 0;
680
681 declare
682 Filename : constant String := Name (1 .. Last);
683
684 begin
685 if Is_Regular_File (Filename)
686 or else Is_Symbolic_Link (Filename)
687 then
688 Canonical_Case_File_Name (Name (1 .. Last));
689 Delete_File := False;
690
691 if (Project.Library_Kind = Static
692 and then Name (1 .. Last) = Archive_Name)
693 or else
694 ((Project.Library_Kind = Dynamic
695 or else
696 Project.Library_Kind = Relocatable)
697 and then
698 (Name (1 .. Last) = DLL_Name
699 or else
700 Name (1 .. Last) = Minor.all
701 or else
702 Name (1 .. Last) = Major.all))
703 then
704 if not Do_Nothing then
705 Set_Writable (Filename);
706 end if;
707
708 Delete (Lib_Directory, Filename);
709 end if;
710 end if;
711 end;
712 end loop;
713
714 Close (Direc);
715
716 Change_Dir (Lib_ALI_Directory);
717 Open (Direc, ".");
718
719 -- For each regular file in the directory, if switch -n has not
720 -- been specified, make it writable and delete the file if it is
721 -- any ALI file of a source of the project.
722
723 loop
724 Read (Direc, Name, Last);
725 exit when Last = 0;
726
727 declare
728 Filename : constant String := Name (1 .. Last);
729 begin
730 if Is_Regular_File (Filename) then
731 Canonical_Case_File_Name (Name (1 .. Last));
732 Delete_File := False;
733
734 if Last > 4 and then Name (Last - 3 .. Last) = ".ali" then
735 declare
736 Unit : Unit_Index;
737 begin
738 -- Compare with ALI file names of the project
739
740 Unit := Units_Htable.Get_First
741 (Project_Tree.Units_HT);
742 while Unit /= No_Unit_Index loop
743 if Unit.File_Names (Impl) /= null
744 and then Unit.File_Names (Impl).Project /=
745 No_Project
746 then
747 if Ultimate_Extending_Project_Of
748 (Unit.File_Names (Impl).Project) =
749 Project
750 then
751 Get_Name_String
752 (Unit.File_Names (Impl).File);
753 Name_Len := Name_Len -
754 File_Extension
755 (Name (1 .. Name_Len))'Length;
756 if Name_Buffer (1 .. Name_Len) =
757 Name (1 .. Last - 4)
758 then
759 Delete_File := True;
760 exit;
761 end if;
762 end if;
763
764 elsif Unit.File_Names (Spec) /= null
765 and then Ultimate_Extending_Project_Of
766 (Unit.File_Names (Spec).Project) =
767 Project
768 then
769 Get_Name_String
770 (Unit.File_Names (Spec).File);
771 Name_Len :=
772 Name_Len -
773 File_Extension
774 (Name (1 .. Name_Len))'Length;
775
776 if Name_Buffer (1 .. Name_Len) =
777 Name (1 .. Last - 4)
778 then
779 Delete_File := True;
780 exit;
781 end if;
782 end if;
783
784 Unit :=
785 Units_Htable.Get_Next (Project_Tree.Units_HT);
786 end loop;
787 end;
788 end if;
789
790 if Delete_File then
791 if not Do_Nothing then
792 Set_Writable (Filename);
793 end if;
794
795 Delete (Lib_ALI_Directory, Filename);
796 end if;
797 end if;
798 end;
799 end loop;
800
801 Close (Direc);
802
803 -- Restore the initial working directory
804
805 Change_Dir (Current);
806 end;
807 end if;
808 end Clean_Library_Directory;
809
810 -------------------
811 -- Clean_Project --
812 -------------------
813
814 procedure Clean_Project (Project : Project_Id) is
815 Main_Source_File : File_Name_Type;
816 -- Name of executable on the command line without directory info
817
818 Executable : File_Name_Type;
819 -- Name of the executable file
820
821 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
822 Unit : Unit_Index;
823 File_Name1 : File_Name_Type;
824 Index1 : Int;
825 File_Name2 : File_Name_Type;
826 Index2 : Int;
827 Lib_File : File_Name_Type;
828
829 Global_Archive : Boolean := False;
830
831 begin
832 -- Check that we don't specify executable on the command line for
833 -- a main library project.
834
835 if Project = Main_Project
836 and then Osint.Number_Of_Files /= 0
837 and then Project.Library
838 then
839 Osint.Fail
840 ("Cannot specify executable(s) for a Library Project File");
841 end if;
842
843 -- Nothing to clean in an externally built project
844
845 if Project.Externally_Built then
846 if Verbose_Mode then
847 Put ("Nothing to do to clean externally built project """);
848 Put (Get_Name_String (Project.Name));
849 Put_Line ("""");
850 end if;
851
852 else
853 if Verbose_Mode then
854 Put ("Cleaning project """);
855 Put (Get_Name_String (Project.Name));
856 Put_Line ("""");
857 end if;
858
859 -- Add project to the list of processed projects
860
861 Processed_Projects.Increment_Last;
862 Processed_Projects.Table (Processed_Projects.Last) := Project;
863
864 if Project.Object_Directory /= No_Path_Information then
865 declare
866 Obj_Dir : constant String :=
867 Get_Name_String
868 (Project.Object_Directory.Display_Name);
869
870 begin
871 Change_Dir (Obj_Dir);
872
873 -- First, deal with Ada
874
875 -- Look through the units to find those that are either
876 -- immediate sources or inherited sources of the project.
877 -- Extending projects may have no language specified, if
878 -- Source_Dirs or Source_Files is specified as an empty list,
879 -- so always look for Ada units in extending projects.
880
881 if Has_Ada_Sources (Project)
882 or else Project.Extends /= No_Project
883 then
884 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
885 while Unit /= No_Unit_Index loop
886 File_Name1 := No_File;
887 File_Name2 := No_File;
888
889 -- If either the spec or the body is a source of the
890 -- project, check for the corresponding ALI file in the
891 -- object directory.
892
893 if (Unit.File_Names (Impl) /= null
894 and then
895 In_Extension_Chain
896 (Unit.File_Names (Impl).Project, Project))
897 or else
898 (Unit.File_Names (Spec) /= null
899 and then In_Extension_Chain
900 (Unit.File_Names (Spec).Project, Project))
901 then
902 if Unit.File_Names (Impl) /= null then
903 File_Name1 := Unit.File_Names (Impl).File;
904 Index1 := Unit.File_Names (Impl).Index;
905 else
906 File_Name1 := No_File;
907 Index1 := 0;
908 end if;
909
910 if Unit.File_Names (Spec) /= null then
911 File_Name2 := Unit.File_Names (Spec).File;
912 Index2 := Unit.File_Names (Spec).Index;
913 else
914 File_Name2 := No_File;
915 Index2 := 0;
916 end if;
917
918 -- If there is no body file name, then there may be
919 -- only a spec.
920
921 if File_Name1 = No_File then
922 File_Name1 := File_Name2;
923 Index1 := Index2;
924 File_Name2 := No_File;
925 Index2 := 0;
926 end if;
927 end if;
928
929 -- If there is either a spec or a body, look for files
930 -- in the object directory.
931
932 if File_Name1 /= No_File then
933 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
934
935 declare
936 Asm : constant String :=
937 Assembly_File_Name (Lib_File);
938 ALI : constant String :=
939 ALI_File_Name (Lib_File);
940 Obj : constant String :=
941 Object_File_Name (Lib_File);
942 Adt : constant String :=
943 Tree_File_Name (Lib_File);
944 Deb : constant String :=
945 Debug_File_Name (File_Name1);
946 Rep : constant String :=
947 Repinfo_File_Name (File_Name1);
948 Del : Boolean := True;
949
950 begin
951 -- If the ALI file exists and is read-only, no file
952 -- is deleted.
953
954 if Is_Regular_File (ALI) then
955 if Is_Writable_File (ALI) then
956 Delete (Obj_Dir, ALI);
957
958 else
959 Del := False;
960
961 if Verbose_Mode then
962 Put ('"');
963 Put (Obj_Dir);
964
965 if Obj_Dir (Obj_Dir'Last) /=
966 Dir_Separator
967 then
968 Put (Dir_Separator);
969 end if;
970
971 Put (ALI);
972 Put_Line (""" is read-only");
973 end if;
974 end if;
975 end if;
976
977 if Del then
978
979 -- Object file
980
981 if Is_Regular_File (Obj) then
982 Delete (Obj_Dir, Obj);
983 end if;
984
985 -- Assembly file
986
987 if Is_Regular_File (Asm) then
988 Delete (Obj_Dir, Asm);
989 end if;
990
991 -- Tree file
992
993 if Is_Regular_File (Adt) then
994 Delete (Obj_Dir, Adt);
995 end if;
996
997 -- First expanded source file
998
999 if Is_Regular_File (Deb) then
1000 Delete (Obj_Dir, Deb);
1001 end if;
1002
1003 -- Repinfo file
1004
1005 if Is_Regular_File (Rep) then
1006 Delete (Obj_Dir, Rep);
1007 end if;
1008
1009 -- Second expanded source file
1010
1011 if File_Name2 /= No_File then
1012 declare
1013 Deb : constant String :=
1014 Debug_File_Name (File_Name2);
1015 Rep : constant String :=
1016 Repinfo_File_Name (File_Name2);
1017
1018 begin
1019 if Is_Regular_File (Deb) then
1020 Delete (Obj_Dir, Deb);
1021 end if;
1022
1023 if Is_Regular_File (Rep) then
1024 Delete (Obj_Dir, Rep);
1025 end if;
1026 end;
1027 end if;
1028 end if;
1029 end;
1030 end if;
1031
1032 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
1033 end loop;
1034 end if;
1035
1036 -- Check if a global archive and it dependency file could have
1037 -- been created and, if they exist, delete them.
1038
1039 if Project = Main_Project and then not Project.Library then
1040 Global_Archive := False;
1041
1042 declare
1043 Proj : Project_List;
1044
1045 begin
1046 Proj := Project_Tree.Projects;
1047 while Proj /= null loop
1048
1049 -- For gnatmake, when the project specifies more than
1050 -- just Ada as a language (even if course we could not
1051 -- find any source file for the other languages), we
1052 -- will take all the object files found in the object
1053 -- directories. Since we know the project supports at
1054 -- least Ada, we just have to test whether it has at
1055 -- least two languages, and we do not care about the
1056 -- sources.
1057
1058 if Proj.Project.Languages /= null
1059 and then Proj.Project.Languages.Next /= null
1060 then
1061 Global_Archive := True;
1062 exit;
1063 end if;
1064
1065 Proj := Proj.Next;
1066 end loop;
1067 end;
1068
1069 if Global_Archive then
1070 Clean_Archive (Project, Global => True);
1071 end if;
1072 end if;
1073
1074 end;
1075 end if;
1076
1077 -- If this is a library project, clean the library directory, the
1078 -- interface copy dir and, for a Stand-Alone Library, the binder
1079 -- generated files of the library.
1080
1081 -- The directories are cleaned only if switch -c is not specified
1082
1083 if Project.Library then
1084 if not Compile_Only then
1085 Clean_Library_Directory (Project);
1086
1087 if Project.Library_Src_Dir /= No_Path_Information then
1088 Clean_Interface_Copy_Directory (Project);
1089 end if;
1090 end if;
1091
1092 if Project.Standalone_Library and then
1093 Project.Object_Directory /= No_Path_Information
1094 then
1095 Delete_Binder_Generated_Files
1096 (Get_Name_String (Project.Object_Directory.Display_Name),
1097 File_Name_Type (Project.Library_Name));
1098 end if;
1099 end if;
1100
1101 if Verbose_Mode then
1102 New_Line;
1103 end if;
1104 end if;
1105
1106 -- If switch -r is specified, call Clean_Project recursively for the
1107 -- imported projects and the project being extended.
1108
1109 if All_Projects then
1110 declare
1111 Imported : Project_List;
1112 Process : Boolean;
1113
1114 begin
1115 -- For each imported project, call Clean_Project if the project
1116 -- has not been processed already.
1117
1118 Imported := Project.Imported_Projects;
1119 while Imported /= null loop
1120 Process := True;
1121
1122 for
1123 J in Processed_Projects.First .. Processed_Projects.Last
1124 loop
1125 if Imported.Project = Processed_Projects.Table (J) then
1126 Process := False;
1127 exit;
1128 end if;
1129 end loop;
1130
1131 if Process then
1132 Clean_Project (Imported.Project);
1133 end if;
1134
1135 Imported := Imported.Next;
1136 end loop;
1137
1138 -- If this project extends another project, call Clean_Project for
1139 -- the project being extended. It is guaranteed that it has not
1140 -- called before, because no other project may import or extend
1141 -- this project.
1142
1143 if Project.Extends /= No_Project then
1144 Clean_Project (Project.Extends);
1145 end if;
1146 end;
1147 end if;
1148
1149 -- For the main project, delete the executables and the binder
1150 -- generated files.
1151
1152 -- The executables are deleted only if switch -c is not specified
1153
1154 if Project = Main_Project
1155 and then Project.Exec_Directory /= No_Path_Information
1156 then
1157 declare
1158 Exec_Dir : constant String :=
1159 Get_Name_String (Project.Exec_Directory.Display_Name);
1160
1161 begin
1162 Change_Dir (Exec_Dir);
1163
1164 for N_File in 1 .. Osint.Number_Of_Files loop
1165 Main_Source_File := Next_Main_Source;
1166
1167 if not Compile_Only then
1168 Executable :=
1169 Executable_Of
1170 (Main_Project,
1171 Project_Tree,
1172 Main_Source_File,
1173 Current_File_Index);
1174
1175 declare
1176 Exec_File_Name : constant String :=
1177 Get_Name_String (Executable);
1178
1179 begin
1180 if Is_Absolute_Path (Name => Exec_File_Name) then
1181 if Is_Regular_File (Exec_File_Name) then
1182 Delete ("", Exec_File_Name);
1183 end if;
1184
1185 else
1186 if Is_Regular_File (Exec_File_Name) then
1187 Delete (Exec_Dir, Exec_File_Name);
1188 end if;
1189 end if;
1190 end;
1191 end if;
1192
1193 if Project.Object_Directory /= No_Path_Information then
1194 Delete_Binder_Generated_Files
1195 (Get_Name_String (Project.Object_Directory.Display_Name),
1196 Strip_Suffix (Main_Source_File));
1197 end if;
1198 end loop;
1199 end;
1200 end if;
1201
1202 -- Change back to previous directory
1203
1204 Change_Dir (Current_Dir);
1205 end Clean_Project;
1206
1207 ---------------------
1208 -- Debug_File_Name --
1209 ---------------------
1210
1211 function Debug_File_Name (Source : File_Name_Type) return String is
1212 begin
1213 return Get_Name_String (Source) & Debug_Suffix;
1214 end Debug_File_Name;
1215
1216 ------------
1217 -- Delete --
1218 ------------
1219
1220 procedure Delete (In_Directory : String; File : String) is
1221 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
1222 Last : Natural := 0;
1223 Success : Boolean;
1224
1225 begin
1226 -- Indicate that at least one file is deleted or is to be deleted
1227
1228 File_Deleted := True;
1229
1230 -- Build the path name of the file to delete
1231
1232 Last := In_Directory'Length;
1233 Full_Name (1 .. Last) := In_Directory;
1234
1235 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
1236 Last := Last + 1;
1237 Full_Name (Last) := Directory_Separator;
1238 end if;
1239
1240 Full_Name (Last + 1 .. Last + File'Length) := File;
1241 Last := Last + File'Length;
1242
1243 -- If switch -n was used, simply output the path name
1244
1245 if Do_Nothing then
1246 Put_Line (Full_Name (1 .. Last));
1247
1248 -- Otherwise, delete the file if it is writable
1249
1250 else
1251 if Force_Deletions
1252 or else Is_Writable_File (Full_Name (1 .. Last))
1253 or else Is_Symbolic_Link (Full_Name (1 .. Last))
1254 then
1255 Delete_File (Full_Name (1 .. Last), Success);
1256 else
1257 Success := False;
1258 end if;
1259
1260 if Verbose_Mode or else not Quiet_Output then
1261 if not Success then
1262 Put ("Warning: """);
1263 Put (Full_Name (1 .. Last));
1264 Put_Line (""" could not be deleted");
1265
1266 else
1267 Put ("""");
1268 Put (Full_Name (1 .. Last));
1269 Put_Line (""" has been deleted");
1270 end if;
1271 end if;
1272 end if;
1273 end Delete;
1274
1275 -----------------------------------
1276 -- Delete_Binder_Generated_Files --
1277 -----------------------------------
1278
1279 procedure Delete_Binder_Generated_Files
1280 (Dir : String;
1281 Source : File_Name_Type)
1282 is
1283 Source_Name : constant String := Get_Name_String (Source);
1284 Current : constant String := Get_Current_Dir;
1285 Last : constant Positive := B_Start'Length + Source_Name'Length;
1286 File_Name : String (1 .. Last + 4);
1287
1288 begin
1289 Change_Dir (Dir);
1290
1291 -- Build the file name (before the extension)
1292
1293 File_Name (1 .. B_Start'Length) := B_Start.all;
1294 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1295
1296 -- Spec
1297
1298 File_Name (Last + 1 .. Last + 4) := ".ads";
1299
1300 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1301 Delete (Dir, File_Name (1 .. Last + 4));
1302 end if;
1303
1304 -- Body
1305
1306 File_Name (Last + 1 .. Last + 4) := ".adb";
1307
1308 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1309 Delete (Dir, File_Name (1 .. Last + 4));
1310 end if;
1311
1312 -- ALI file
1313
1314 File_Name (Last + 1 .. Last + 4) := ".ali";
1315
1316 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1317 Delete (Dir, File_Name (1 .. Last + 4));
1318 end if;
1319
1320 -- Object file
1321
1322 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1323
1324 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1325 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1326 end if;
1327
1328 -- Change back to previous directory
1329
1330 Change_Dir (Current);
1331 end Delete_Binder_Generated_Files;
1332
1333 -----------------------
1334 -- Display_Copyright --
1335 -----------------------
1336
1337 procedure Display_Copyright is
1338 begin
1339 if not Copyright_Displayed then
1340 Copyright_Displayed := True;
1341 Display_Version ("GNATCLEAN", "2003");
1342 end if;
1343 end Display_Copyright;
1344
1345 -------------
1346 -- Empty_Q --
1347 -------------
1348
1349 function Empty_Q return Boolean is
1350 begin
1351 return Q_Front >= Q.Last;
1352 end Empty_Q;
1353
1354 --------------------
1355 -- Extract_From_Q --
1356 --------------------
1357
1358 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1359 Lib : constant File_Name_Type := Q.Table (Q_Front);
1360 begin
1361 Q_Front := Q_Front + 1;
1362 Lib_File := Lib;
1363 end Extract_From_Q;
1364
1365 ---------------
1366 -- Gnatclean --
1367 ---------------
1368
1369 procedure Gnatclean is
1370 begin
1371 -- Do the necessary initializations
1372
1373 Clean.Initialize;
1374
1375 -- Parse the command line, getting the switches and the executable names
1376
1377 Parse_Cmd_Line;
1378
1379 if Verbose_Mode then
1380 Display_Copyright;
1381 end if;
1382
1383 if Project_File_Name /= null then
1384
1385 -- A project file was specified by a -P switch
1386
1387 if Opt.Verbose_Mode then
1388 New_Line;
1389 Put ("Parsing Project File """);
1390 Put (Project_File_Name.all);
1391 Put_Line (""".");
1392 New_Line;
1393 end if;
1394
1395 -- Set the project parsing verbosity to whatever was specified
1396 -- by a possible -vP switch.
1397
1398 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1399
1400 -- Parse the project file. If there is an error, Main_Project
1401 -- will still be No_Project.
1402
1403 Prj.Pars.Parse
1404 (Project => Main_Project,
1405 In_Tree => Project_Tree,
1406 In_Node_Tree => Project_Node_Tree,
1407 Project_File_Name => Project_File_Name.all,
1408 Flags => Gnatmake_Flags,
1409 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1410
1411 if Main_Project = No_Project then
1412 Fail ("""" & Project_File_Name.all & """ processing failed");
1413 end if;
1414
1415 if Opt.Verbose_Mode then
1416 New_Line;
1417 Put ("Parsing of Project File """);
1418 Put (Project_File_Name.all);
1419 Put (""" is finished.");
1420 New_Line;
1421 end if;
1422
1423 -- Add source directories and object directories to the search paths
1424
1425 Add_Source_Directories (Main_Project, Project_Tree);
1426 Add_Object_Directories (Main_Project);
1427 end if;
1428
1429 Osint.Add_Default_Search_Dirs;
1430
1431 -- If a project file was specified, but no executable name, put all
1432 -- the mains of the project file (if any) as if there were on the
1433 -- command line.
1434
1435 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1436 declare
1437 Main : String_Element;
1438 Value : String_List_Id := Main_Project.Mains;
1439 begin
1440 while Value /= Prj.Nil_String loop
1441 Main := Project_Tree.String_Elements.Table (Value);
1442 Osint.Add_File
1443 (File_Name => Get_Name_String (Main.Value),
1444 Index => Main.Index);
1445 Value := Main.Next;
1446 end loop;
1447 end;
1448 end if;
1449
1450 -- If neither a project file nor an executable were specified, output
1451 -- the usage and exit.
1452
1453 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1454 Usage;
1455 return;
1456 end if;
1457
1458 if Verbose_Mode then
1459 New_Line;
1460 end if;
1461
1462 if Main_Project /= No_Project then
1463
1464 -- If a project file has been specified, call Clean_Project with the
1465 -- project id of this project file, after resetting the list of
1466 -- processed projects.
1467
1468 Processed_Projects.Init;
1469 Clean_Project (Main_Project);
1470
1471 else
1472 -- If no project file has been specified, the work is done in
1473 -- Clean_Executables.
1474
1475 Clean_Executables;
1476 end if;
1477
1478 -- In verbose mode, if Delete has not been called, indicate that no file
1479 -- needs to be deleted.
1480
1481 if Verbose_Mode and (not File_Deleted) then
1482 New_Line;
1483
1484 if Do_Nothing then
1485 Put_Line ("No file needs to be deleted");
1486 else
1487 Put_Line ("No file has been deleted");
1488 end if;
1489 end if;
1490 end Gnatclean;
1491
1492 ------------------------
1493 -- In_Extension_Chain --
1494 ------------------------
1495
1496 function In_Extension_Chain
1497 (Of_Project : Project_Id;
1498 Prj : Project_Id) return Boolean
1499 is
1500 Proj : Project_Id;
1501
1502 begin
1503 if Prj = No_Project or else Of_Project = No_Project then
1504 return False;
1505 end if;
1506
1507 if Of_Project = Prj then
1508 return True;
1509 end if;
1510
1511 Proj := Of_Project;
1512 while Proj.Extends /= No_Project loop
1513 if Proj.Extends = Prj then
1514 return True;
1515 end if;
1516
1517 Proj := Proj.Extends;
1518 end loop;
1519
1520 Proj := Prj;
1521 while Proj.Extends /= No_Project loop
1522 if Proj.Extends = Of_Project then
1523 return True;
1524 end if;
1525
1526 Proj := Proj.Extends;
1527 end loop;
1528
1529 return False;
1530 end In_Extension_Chain;
1531
1532 ------------
1533 -- Init_Q --
1534 ------------
1535
1536 procedure Init_Q is
1537 begin
1538 Q_Front := Q.First;
1539 Q.Set_Last (Q.First);
1540 end Init_Q;
1541
1542 ----------------
1543 -- Initialize --
1544 ----------------
1545
1546 procedure Initialize is
1547 begin
1548 if not Initialized then
1549 Initialized := True;
1550
1551 -- Get default search directories to locate system.ads when calling
1552 -- Targparm.Get_Target_Parameters.
1553
1554 Osint.Add_Default_Search_Dirs;
1555
1556 -- Initialize some packages
1557
1558 Csets.Initialize;
1559 Namet.Initialize;
1560 Snames.Initialize;
1561
1562 Project_Node_Tree := new Project_Node_Tree_Data;
1563 Prj.Tree.Initialize (Project_Node_Tree);
1564
1565 Prj.Initialize (Project_Tree);
1566
1567 -- Check if the platform is VMS and, if it is, change some variables
1568
1569 Targparm.Get_Target_Parameters;
1570
1571 if OpenVMS_On_Target then
1572 Debug_Suffix (Debug_Suffix'First) := '_';
1573 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1574 B_Start := new String'("b__");
1575 end if;
1576 end if;
1577
1578 -- Reset global variables
1579
1580 Free (Object_Directory_Path);
1581 Do_Nothing := False;
1582 File_Deleted := False;
1583 Copyright_Displayed := False;
1584 Usage_Displayed := False;
1585 Free (Project_File_Name);
1586 Main_Project := Prj.No_Project;
1587 All_Projects := False;
1588 end Initialize;
1589
1590 --------------
1591 -- Insert_Q --
1592 --------------
1593
1594 procedure Insert_Q (Lib_File : File_Name_Type) is
1595 begin
1596 -- Do not insert an empty name or an already marked source
1597
1598 if Lib_File /= No_File and then not Makeutl.Is_Marked (Lib_File) then
1599 Q.Table (Q.Last) := Lib_File;
1600 Q.Increment_Last;
1601
1602 -- Mark the source that has been just added to the Q
1603
1604 Makeutl.Mark (Lib_File);
1605 end if;
1606 end Insert_Q;
1607
1608 ----------------------
1609 -- Object_File_Name --
1610 ----------------------
1611
1612 function Object_File_Name (Source : File_Name_Type) return String is
1613 Src : constant String := Get_Name_String (Source);
1614
1615 begin
1616 -- If the source name has an extension, then replace it with
1617 -- the Object suffix.
1618
1619 for Index in reverse Src'First + 1 .. Src'Last loop
1620 if Src (Index) = '.' then
1621 return Src (Src'First .. Index - 1) & Object_Suffix;
1622 end if;
1623 end loop;
1624
1625 -- If there is no dot, or if it is the first character, just add the
1626 -- ALI suffix.
1627
1628 return Src & Object_Suffix;
1629 end Object_File_Name;
1630
1631 --------------------
1632 -- Parse_Cmd_Line --
1633 --------------------
1634
1635 procedure Parse_Cmd_Line is
1636 Last : constant Natural := Argument_Count;
1637 Source_Index : Int := 0;
1638 Index : Positive;
1639
1640 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
1641
1642 begin
1643 -- First, check for --version and --help
1644
1645 Check_Version_And_Help ("GNATCLEAN", "2003");
1646
1647 Index := 1;
1648 while Index <= Last loop
1649 declare
1650 Arg : constant String := Argument (Index);
1651
1652 procedure Bad_Argument;
1653 -- Signal bad argument
1654
1655 ------------------
1656 -- Bad_Argument --
1657 ------------------
1658
1659 procedure Bad_Argument is
1660 begin
1661 Fail ("invalid argument """ & Arg & """");
1662 end Bad_Argument;
1663
1664 begin
1665 if Arg'Length /= 0 then
1666 if Arg (1) = '-' then
1667 if Arg'Length = 1 then
1668 Bad_Argument;
1669 end if;
1670
1671 case Arg (2) is
1672 when '-' =>
1673 if Arg'Length > Subdirs_Option'Length and then
1674 Arg (1 .. Subdirs_Option'Length) = Subdirs_Option
1675 then
1676 Subdirs :=
1677 new String'
1678 (Arg (Subdirs_Option'Length + 1 .. Arg'Last));
1679
1680 elsif Arg = Makeutl.Unchecked_Shared_Lib_Imports then
1681 Opt.Unchecked_Shared_Lib_Imports := True;
1682
1683 else
1684 Bad_Argument;
1685 end if;
1686
1687 when 'a' =>
1688 if Arg'Length < 4 then
1689 Bad_Argument;
1690 end if;
1691
1692 if Arg (3) = 'O' then
1693 Add_Lib_Search_Dir (Arg (4 .. Arg'Last));
1694
1695 elsif Arg (3) = 'P' then
1696 Prj.Ext.Add_Search_Project_Directory
1697 (Project_Node_Tree, Arg (4 .. Arg'Last));
1698
1699 else
1700 Bad_Argument;
1701 end if;
1702
1703 when 'c' =>
1704 Compile_Only := True;
1705
1706 when 'D' =>
1707 if Object_Directory_Path /= null then
1708 Fail ("duplicate -D switch");
1709
1710 elsif Project_File_Name /= null then
1711 Fail ("-P and -D cannot be used simultaneously");
1712 end if;
1713
1714 if Arg'Length > 2 then
1715 declare
1716 Dir : constant String := Arg (3 .. Arg'Last);
1717 begin
1718 if not Is_Directory (Dir) then
1719 Fail (Dir & " is not a directory");
1720 else
1721 Add_Lib_Search_Dir (Dir);
1722 end if;
1723 end;
1724
1725 else
1726 if Index = Last then
1727 Fail ("no directory specified after -D");
1728 end if;
1729
1730 Index := Index + 1;
1731
1732 declare
1733 Dir : constant String := Argument (Index);
1734 begin
1735 if not Is_Directory (Dir) then
1736 Fail (Dir & " is not a directory");
1737 else
1738 Add_Lib_Search_Dir (Dir);
1739 end if;
1740 end;
1741 end if;
1742
1743 when 'e' =>
1744 if Arg = "-eL" then
1745 Follow_Links_For_Files := True;
1746 Follow_Links_For_Dirs := True;
1747
1748 else
1749 Bad_Argument;
1750 end if;
1751
1752 when 'f' =>
1753 Force_Deletions := True;
1754
1755 when 'F' =>
1756 Full_Path_Name_For_Brief_Errors := True;
1757
1758 when 'h' =>
1759 Usage;
1760
1761 when 'i' =>
1762 if Arg'Length = 2 then
1763 Bad_Argument;
1764 end if;
1765
1766 Source_Index := 0;
1767
1768 for J in 3 .. Arg'Last loop
1769 if Arg (J) not in '0' .. '9' then
1770 Bad_Argument;
1771 end if;
1772
1773 Source_Index :=
1774 (20 * Source_Index) +
1775 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1776 end loop;
1777
1778 when 'I' =>
1779 if Arg = "-I-" then
1780 Opt.Look_In_Primary_Dir := False;
1781
1782 else
1783 if Arg'Length = 2 then
1784 Bad_Argument;
1785 end if;
1786
1787 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1788 end if;
1789
1790 when 'n' =>
1791 Do_Nothing := True;
1792
1793 when 'P' =>
1794 if Project_File_Name /= null then
1795 Fail ("multiple -P switches");
1796
1797 elsif Object_Directory_Path /= null then
1798 Fail ("-D and -P cannot be used simultaneously");
1799
1800 end if;
1801
1802 if Arg'Length > 2 then
1803 declare
1804 Prj : constant String := Arg (3 .. Arg'Last);
1805 begin
1806 if Prj'Length > 1 and then
1807 Prj (Prj'First) = '='
1808 then
1809 Project_File_Name :=
1810 new String'
1811 (Prj (Prj'First + 1 .. Prj'Last));
1812 else
1813 Project_File_Name := new String'(Prj);
1814 end if;
1815 end;
1816
1817 else
1818 if Index = Last then
1819 Fail ("no project specified after -P");
1820 end if;
1821
1822 Index := Index + 1;
1823 Project_File_Name := new String'(Argument (Index));
1824 end if;
1825
1826 when 'q' =>
1827 Quiet_Output := True;
1828
1829 when 'r' =>
1830 All_Projects := True;
1831
1832 when 'v' =>
1833 if Arg = "-v" then
1834 Verbose_Mode := True;
1835
1836 elsif Arg = "-vP0" then
1837 Current_Verbosity := Prj.Default;
1838
1839 elsif Arg = "-vP1" then
1840 Current_Verbosity := Prj.Medium;
1841
1842 elsif Arg = "-vP2" then
1843 Current_Verbosity := Prj.High;
1844
1845 else
1846 Bad_Argument;
1847 end if;
1848
1849 when 'X' =>
1850 if Arg'Length = 2 then
1851 Bad_Argument;
1852 end if;
1853
1854 declare
1855 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1856 Start : Positive := Ext_Asgn'First;
1857 Stop : Natural := Ext_Asgn'Last;
1858 Equal_Pos : Natural;
1859 OK : Boolean := True;
1860
1861 begin
1862 if Ext_Asgn (Start) = '"' then
1863 if Ext_Asgn (Stop) = '"' then
1864 Start := Start + 1;
1865 Stop := Stop - 1;
1866
1867 else
1868 OK := False;
1869 end if;
1870 end if;
1871
1872 Equal_Pos := Start;
1873
1874 while Equal_Pos <= Stop
1875 and then Ext_Asgn (Equal_Pos) /= '='
1876 loop
1877 Equal_Pos := Equal_Pos + 1;
1878 end loop;
1879
1880 if Equal_Pos = Start or else Equal_Pos > Stop then
1881 OK := False;
1882 end if;
1883
1884 if OK then
1885 Prj.Ext.Add
1886 (Project_Node_Tree,
1887 External_Name =>
1888 Ext_Asgn (Start .. Equal_Pos - 1),
1889 Value =>
1890 Ext_Asgn (Equal_Pos + 1 .. Stop));
1891
1892 else
1893 Fail
1894 ("illegal external assignment '"
1895 & Ext_Asgn
1896 & "'");
1897 end if;
1898 end;
1899
1900 when others =>
1901 Bad_Argument;
1902 end case;
1903
1904 else
1905 Add_File (Arg, Source_Index);
1906 end if;
1907 end if;
1908 end;
1909
1910 Index := Index + 1;
1911 end loop;
1912 end Parse_Cmd_Line;
1913
1914 -----------------------
1915 -- Repinfo_File_Name --
1916 -----------------------
1917
1918 function Repinfo_File_Name (Source : File_Name_Type) return String is
1919 begin
1920 return Get_Name_String (Source) & Repinfo_Suffix;
1921 end Repinfo_File_Name;
1922
1923 --------------------
1924 -- Tree_File_Name --
1925 --------------------
1926
1927 function Tree_File_Name (Source : File_Name_Type) return String is
1928 Src : constant String := Get_Name_String (Source);
1929
1930 begin
1931 -- If source name has an extension, then replace it with the tree suffix
1932
1933 for Index in reverse Src'First + 1 .. Src'Last loop
1934 if Src (Index) = '.' then
1935 return Src (Src'First .. Index - 1) & Tree_Suffix;
1936 end if;
1937 end loop;
1938
1939 -- If there is no dot, or if it is the first character, just add the
1940 -- tree suffix.
1941
1942 return Src & Tree_Suffix;
1943 end Tree_File_Name;
1944
1945 -----------
1946 -- Usage --
1947 -----------
1948
1949 procedure Usage is
1950 begin
1951 if not Usage_Displayed then
1952 Usage_Displayed := True;
1953 Display_Copyright;
1954 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1955 New_Line;
1956
1957 Put_Line (" names is one or more file names from which " &
1958 "the .adb or .ads suffix may be omitted");
1959 Put_Line (" names may be omitted if -P<project> is specified");
1960 New_Line;
1961
1962 Put_Line (" --subdirs=dir real obj/lib/exec dirs are subdirs");
1963 Put_Line (" " & Makeutl.Unchecked_Shared_Lib_Imports);
1964 Put_Line (" Allow shared libraries to import static libraries");
1965 New_Line;
1966
1967 Put_Line (" -c Only delete compiler generated files");
1968 Put_Line (" -D dir Specify dir as the object library");
1969 Put_Line (" -eL Follow symbolic links when processing " &
1970 "project files");
1971 Put_Line (" -f Force deletions of unwritable files");
1972 Put_Line (" -F Full project path name " &
1973 "in brief error messages");
1974 Put_Line (" -h Display this message");
1975 Put_Line (" -innn Index of unit in source for following names");
1976 Put_Line (" -n Nothing to do: only list files to delete");
1977 Put_Line (" -Pproj Use GNAT Project File proj");
1978 Put_Line (" -q Be quiet/terse");
1979 Put_Line (" -r Clean all projects recursively");
1980 Put_Line (" -v Verbose mode");
1981 Put_Line (" -vPx Specify verbosity when parsing " &
1982 "GNAT Project Files");
1983 Put_Line (" -Xnm=val Specify an external reference " &
1984 "for GNAT Project Files");
1985 New_Line;
1986
1987 Put_Line (" -aPdir Add directory dir to project search path");
1988 New_Line;
1989
1990 Put_Line (" -aOdir Specify ALI/object files search path");
1991 Put_Line (" -Idir Like -aOdir");
1992 Put_Line (" -I- Don't look for source/library files " &
1993 "in the default directory");
1994 New_Line;
1995 end if;
1996 end Usage;
1997
1998 end Clean;
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