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2009-07-17 Richard Guenther <rguenther@suse.de>
[official-gcc.git] / gcc / ada / clean.adb
blob790b8423529de24ed0fbd5bae4a68ea8f65345d9
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2009, 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.Util; use Prj.Util;
39 with Snames;
40 with Switch; use Switch;
41 with Table;
42 with Targparm; use Targparm;
43 with Types; use Types;
44
45 with Ada.Command_Line; use Ada.Command_Line;
46
47 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
48 with GNAT.IO; use GNAT.IO;
49 with GNAT.OS_Lib; use GNAT.OS_Lib;
50
51 package body Clean is
52
53 Initialized : Boolean := False;
54 -- Set to True by the first call to Initialize.
55 -- To avoid reinitialization of some packages.
56
57 -- Suffixes of various files
58
59 Assembly_Suffix : constant String := ".s";
60 ALI_Suffix : constant String := ".ali";
61 Tree_Suffix : constant String := ".adt";
62 Object_Suffix : constant String := Get_Target_Object_Suffix.all;
63 Debug_Suffix : String := ".dg";
64 -- Changed to "_dg" for VMS in the body of the package
65
66 Repinfo_Suffix : String := ".rep";
67 -- Changed to "_rep" for VMS in the body of the package
68
69 B_Start : String_Ptr := new String'("b~");
70 -- Prefix of binder generated file, and number of actual characters used.
71 -- Changed to "b__" for VMS in the body of the package.
72
73 Object_Directory_Path : String_Access := null;
74 -- The path name of the object directory, set with switch -D
75
76 Force_Deletions : Boolean := False;
77 -- Set to True by switch -f. When True, attempts to delete non writable
78 -- files will be done.
79
80 Do_Nothing : Boolean := False;
81 -- Set to True when switch -n is specified. When True, no file is deleted.
82 -- gnatclean only lists the files that would have been deleted if the
83 -- switch -n had not been specified.
84
85 File_Deleted : Boolean := False;
86 -- Set to True if at least one file has been deleted
87
88 Copyright_Displayed : Boolean := False;
89 Usage_Displayed : Boolean := False;
90
91 Project_File_Name : String_Access := null;
92
93 Project_Tree : constant Prj.Project_Tree_Ref := new Prj.Project_Tree_Data;
94
95 Main_Project : Prj.Project_Id := Prj.No_Project;
96
97 All_Projects : Boolean := False;
98
99 -- Packages of project files where unknown attributes are errors
100
101 Naming_String : aliased String := "naming";
102 Builder_String : aliased String := "builder";
103 Compiler_String : aliased String := "compiler";
104 Binder_String : aliased String := "binder";
105 Linker_String : aliased String := "linker";
106
107 Gnatmake_Packages : aliased String_List :=
108 (Naming_String 'Access,
109 Builder_String 'Access,
110 Compiler_String 'Access,
111 Binder_String 'Access,
112 Linker_String 'Access);
113
114 Packages_To_Check_By_Gnatmake : constant String_List_Access :=
115 Gnatmake_Packages'Access;
116
117 package Processed_Projects is new Table.Table
118 (Table_Component_Type => Project_Id,
119 Table_Index_Type => Natural,
120 Table_Low_Bound => 0,
121 Table_Initial => 10,
122 Table_Increment => 100,
123 Table_Name => "Clean.Processed_Projects");
124 -- Table to keep track of what project files have been processed, when
125 -- switch -r is specified.
126
127 package Sources is new Table.Table
128 (Table_Component_Type => File_Name_Type,
129 Table_Index_Type => Natural,
130 Table_Low_Bound => 0,
131 Table_Initial => 10,
132 Table_Increment => 100,
133 Table_Name => "Clean.Processed_Projects");
134 -- Table to store all the source files of a library unit: spec, body and
135 -- subunits, to detect .dg files and delete them.
136
137 ----------------------------
138 -- Queue (Q) manipulation --
139 ----------------------------
140
141 procedure Init_Q;
142 -- Must be called to initialize the Q
143
144 procedure Insert_Q (Lib_File : File_Name_Type);
145 -- If Lib_File is not marked, inserts it at the end of Q and mark it
146
147 function Empty_Q return Boolean;
148 -- Returns True if Q is empty
149
150 procedure Extract_From_Q (Lib_File : out File_Name_Type);
151 -- Extracts the first element from the Q
152
153 Q_Front : Natural;
154 -- Points to the first valid element in the Q
155
156 package Q is new Table.Table (
157 Table_Component_Type => File_Name_Type,
158 Table_Index_Type => Natural,
159 Table_Low_Bound => 0,
160 Table_Initial => 4000,
161 Table_Increment => 100,
162 Table_Name => "Clean.Q");
163 -- This is the actual queue
164
165 -----------------------------
166 -- Other local subprograms --
167 -----------------------------
168
169 procedure Add_Source_Dir (N : String);
170 -- Call Add_Src_Search_Dir and output one line when in verbose mode
171
172 procedure Add_Source_Directories is
173 new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
174
175 procedure Add_Object_Dir (N : String);
176 -- Call Add_Lib_Search_Dir and output one line when in verbose mode
177
178 procedure Add_Object_Directories is
179 new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
180
181 function ALI_File_Name (Source : File_Name_Type) return String;
182 -- Returns the name of the ALI file corresponding to Source
183
184 function Assembly_File_Name (Source : File_Name_Type) return String;
185 -- Returns the assembly file name corresponding to Source
186
187 procedure Clean_Archive (Project : Project_Id; Global : Boolean);
188 -- Delete a global archive or library project archive and the dependency
189 -- file, if they exist.
190
191 procedure Clean_Executables;
192 -- Do the cleaning work when no project file is specified
193
194 procedure Clean_Interface_Copy_Directory (Project : Project_Id);
195 -- Delete files in an interface copy directory: any file that is a copy of
196 -- a source of the project.
197
198 procedure Clean_Library_Directory (Project : Project_Id);
199 -- Delete the library file in a library directory and any ALI file of a
200 -- source of the project in a library ALI directory.
201
202 procedure Clean_Project (Project : Project_Id);
203 -- Do the cleaning work when a project file is specified. This procedure
204 -- calls itself recursively when there are several project files in the
205 -- tree rooted at the main project file and switch -r has been specified.
206
207 function Debug_File_Name (Source : File_Name_Type) return String;
208 -- Name of the expanded source file corresponding to Source
209
210 procedure Delete (In_Directory : String; File : String);
211 -- Delete one file, or list the file name if switch -n is specified
212
213 procedure Delete_Binder_Generated_Files
214 (Dir : String;
215 Source : File_Name_Type);
216 -- Delete the binder generated file in directory Dir for Source, if they
217 -- exist: for Unix these are b~<source>.ads, b~<source>.adb,
218 -- b~<source>.ali and b~<source>.o.
219
220 procedure Display_Copyright;
221 -- Display the Copyright notice. If called several times, display the
222 -- Copyright notice only the first time.
223
224 procedure Initialize;
225 -- Call the necessary package initializations
226
227 function Object_File_Name (Source : File_Name_Type) return String;
228 -- Returns the object file name corresponding to Source
229
230 procedure Parse_Cmd_Line;
231 -- Parse the command line
232
233 function Repinfo_File_Name (Source : File_Name_Type) return String;
234 -- Returns the repinfo file name corresponding to Source
235
236 function Tree_File_Name (Source : File_Name_Type) return String;
237 -- Returns the tree file name corresponding to Source
238
239 function In_Extension_Chain
240 (Of_Project : Project_Id;
241 Prj : Project_Id) return Boolean;
242 -- Returns True iff Prj is an extension of Of_Project or if Of_Project is
243 -- an extension of Prj.
244
245 procedure Usage;
246 -- Display the usage. If called several times, the usage is displayed only
247 -- the first time.
248
249 --------------------
250 -- Add_Object_Dir --
251 --------------------
252
253 procedure Add_Object_Dir (N : String) is
254 begin
255 Add_Lib_Search_Dir (N);
256
257 if Opt.Verbose_Mode then
258 Put ("Adding object directory """);
259 Put (N);
260 Put (""".");
261 New_Line;
262 end if;
263 end Add_Object_Dir;
264
265 --------------------
266 -- Add_Source_Dir --
267 --------------------
268
269 procedure Add_Source_Dir (N : String) is
270 begin
271 Add_Src_Search_Dir (N);
272
273 if Opt.Verbose_Mode then
274 Put ("Adding source directory """);
275 Put (N);
276 Put (""".");
277 New_Line;
278 end if;
279 end Add_Source_Dir;
280
281 -------------------
282 -- ALI_File_Name --
283 -------------------
284
285 function ALI_File_Name (Source : File_Name_Type) return String is
286 Src : constant String := Get_Name_String (Source);
287
288 begin
289 -- If the source name has an extension, then replace it with
290 -- the ALI suffix.
291
292 for Index in reverse Src'First + 1 .. Src'Last loop
293 if Src (Index) = '.' then
294 return Src (Src'First .. Index - 1) & ALI_Suffix;
295 end if;
296 end loop;
297
298 -- If there is no dot, or if it is the first character, just add the
299 -- ALI suffix.
300
301 return Src & ALI_Suffix;
302 end ALI_File_Name;
303
304 ------------------------
305 -- Assembly_File_Name --
306 ------------------------
307
308 function Assembly_File_Name (Source : File_Name_Type) return String is
309 Src : constant String := Get_Name_String (Source);
310
311 begin
312 -- If the source name has an extension, then replace it with
313 -- the assembly suffix.
314
315 for Index in reverse Src'First + 1 .. Src'Last loop
316 if Src (Index) = '.' then
317 return Src (Src'First .. Index - 1) & Assembly_Suffix;
318 end if;
319 end loop;
320
321 -- If there is no dot, or if it is the first character, just add the
322 -- assembly suffix.
323
324 return Src & Assembly_Suffix;
325 end Assembly_File_Name;
326
327 -------------------
328 -- Clean_Archive --
329 -------------------
330
331 procedure Clean_Archive (Project : Project_Id; Global : Boolean) is
332 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
333
334 Lib_Prefix : String_Access;
335 Archive_Name : String_Access;
336 -- The name of the archive file for this project
337
338 Archive_Dep_Name : String_Access;
339 -- The name of the archive dependency file for this project
340
341 Obj_Dir : constant String :=
342 Get_Name_String (Project.Object_Directory.Display_Name);
343
344 begin
345 Change_Dir (Obj_Dir);
346
347 -- First, get the lib prefix, the archive file name and the archive
348 -- dependency file name.
349
350 if Global then
351 Lib_Prefix :=
352 new String'("lib" & Get_Name_String (Project.Display_Name));
353 else
354 Lib_Prefix :=
355 new String'("lib" & Get_Name_String (Project.Library_Name));
356 end if;
357
358 Archive_Name := new String'(Lib_Prefix.all & '.' & Archive_Ext);
359 Archive_Dep_Name := new String'(Lib_Prefix.all & ".deps");
360
361 -- Delete the archive file and the archive dependency file, if they
362 -- exist.
363
364 if Is_Regular_File (Archive_Name.all) then
365 Delete (Obj_Dir, Archive_Name.all);
366 end if;
367
368 if Is_Regular_File (Archive_Dep_Name.all) then
369 Delete (Obj_Dir, Archive_Dep_Name.all);
370 end if;
371
372 Change_Dir (Current_Dir);
373 end Clean_Archive;
374
375 -----------------------
376 -- Clean_Executables --
377 -----------------------
378
379 procedure Clean_Executables is
380 Main_Source_File : File_Name_Type;
381 -- Current main source
382
383 Main_Lib_File : File_Name_Type;
384 -- ALI file of the current main
385
386 Lib_File : File_Name_Type;
387 -- Current ALI file
388
389 Full_Lib_File : File_Name_Type;
390 -- Full name of the current ALI file
391
392 Text : Text_Buffer_Ptr;
393 The_ALI : ALI_Id;
394
395 begin
396 Init_Q;
397
398 -- It does not really matter if there is or not an object file
399 -- corresponding to an ALI file: if there is one, it will be deleted.
400
401 Opt.Check_Object_Consistency := False;
402
403 -- Proceed each executable one by one. Each source is marked as it is
404 -- processed, so common sources between executables will not be
405 -- processed several times.
406
407 for N_File in 1 .. Osint.Number_Of_Files loop
408 Main_Source_File := Next_Main_Source;
409 Main_Lib_File := Osint.Lib_File_Name
410 (Main_Source_File, Current_File_Index);
411 Insert_Q (Main_Lib_File);
412
413 while not Empty_Q loop
414 Sources.Set_Last (0);
415 Extract_From_Q (Lib_File);
416 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
417
418 -- If we have existing ALI file that is not read-only, process it
419
420 if Full_Lib_File /= No_File
421 and then not Is_Readonly_Library (Full_Lib_File)
422 then
423 Text := Read_Library_Info (Lib_File);
424
425 if Text /= null then
426 The_ALI :=
427 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
428 Free (Text);
429
430 -- If no error was produced while loading this ALI file,
431 -- insert into the queue all the unmarked withed sources.
432
433 if The_ALI /= No_ALI_Id then
434 for J in ALIs.Table (The_ALI).First_Unit ..
435 ALIs.Table (The_ALI).Last_Unit
436 loop
437 Sources.Increment_Last;
438 Sources.Table (Sources.Last) :=
439 ALI.Units.Table (J).Sfile;
440
441 for K in ALI.Units.Table (J).First_With ..
442 ALI.Units.Table (J).Last_With
443 loop
444 Insert_Q (Withs.Table (K).Afile);
445 end loop;
446 end loop;
447
448 -- Look for subunits and put them in the Sources table
449
450 for J in ALIs.Table (The_ALI).First_Sdep ..
451 ALIs.Table (The_ALI).Last_Sdep
452 loop
453 if Sdep.Table (J).Subunit_Name /= No_Name then
454 Sources.Increment_Last;
455 Sources.Table (Sources.Last) :=
456 Sdep.Table (J).Sfile;
457 end if;
458 end loop;
459 end if;
460 end if;
461
462 -- Now delete all existing files corresponding to this ALI file
463
464 declare
465 Obj_Dir : constant String :=
466 Dir_Name (Get_Name_String (Full_Lib_File));
467 Obj : constant String := Object_File_Name (Lib_File);
468 Adt : constant String := Tree_File_Name (Lib_File);
469 Asm : constant String := Assembly_File_Name (Lib_File);
470
471 begin
472 Delete (Obj_Dir, Get_Name_String (Lib_File));
473
474 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
475 Delete (Obj_Dir, Obj);
476 end if;
477
478 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
479 Delete (Obj_Dir, Adt);
480 end if;
481
482 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
483 Delete (Obj_Dir, Asm);
484 end if;
485
486 -- Delete expanded source files (.dg) and/or repinfo files
487 -- (.rep) if any
488
489 for J in 1 .. Sources.Last loop
490 declare
491 Deb : constant String :=
492 Debug_File_Name (Sources.Table (J));
493 Rep : constant String :=
494 Repinfo_File_Name (Sources.Table (J));
495
496 begin
497 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
498 Delete (Obj_Dir, Deb);
499 end if;
500
501 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
502 Delete (Obj_Dir, Rep);
503 end if;
504 end;
505 end loop;
506 end;
507 end if;
508 end loop;
509
510 -- Delete the executable, if it exists, and the binder generated
511 -- files, if any.
512
513 if not Compile_Only then
514 declare
515 Source : constant File_Name_Type :=
516 Strip_Suffix (Main_Lib_File);
517 Executable : constant String :=
518 Get_Name_String (Executable_Name (Source));
519 begin
520 if Is_Regular_File (Executable) then
521 Delete ("", Executable);
522 end if;
523
524 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
525 end;
526 end if;
527 end loop;
528 end Clean_Executables;
529
530 ------------------------------------
531 -- Clean_Interface_Copy_Directory --
532 ------------------------------------
533
534 procedure Clean_Interface_Copy_Directory (Project : Project_Id) is
535 Current : constant String := Get_Current_Dir;
536
537 Direc : Dir_Type;
538
539 Name : String (1 .. 200);
540 Last : Natural;
541
542 Delete_File : Boolean;
543 Unit : Unit_Index;
544
545 begin
546 if Project.Library
547 and then Project.Library_Src_Dir /= No_Path_Information
548 then
549 declare
550 Directory : constant String :=
551 Get_Name_String (Project.Library_Src_Dir.Display_Name);
552
553 begin
554 Change_Dir (Directory);
555 Open (Direc, ".");
556
557 -- For each regular file in the directory, if switch -n has not
558 -- been specified, make it writable and delete the file if it is
559 -- a copy of a source of the project.
560
561 loop
562 Read (Direc, Name, Last);
563 exit when Last = 0;
564
565 declare
566 Filename : constant String := Name (1 .. Last);
567
568 begin
569 if Is_Regular_File (Filename) then
570 Canonical_Case_File_Name (Name (1 .. Last));
571 Delete_File := False;
572
573 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
574
575 -- Compare with source file names of the project
576
577 while Unit /= No_Unit_Index loop
578 if Unit.File_Names (Impl) /= null
579 and then Ultimate_Extending_Project_Of
580 (Unit.File_Names (Impl).Project) = Project
581 and then
582 Get_Name_String (Unit.File_Names (Impl).File) =
583 Name (1 .. Last)
584 then
585 Delete_File := True;
586 exit;
587 end if;
588
589 if Unit.File_Names (Spec) /= null
590 and then Ultimate_Extending_Project_Of
591 (Unit.File_Names (Spec).Project) = Project
592 and then
593 Get_Name_String
594 (Unit.File_Names (Spec).File) = Name (1 .. Last)
595 then
596 Delete_File := True;
597 exit;
598 end if;
599
600 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
601 end loop;
602
603 if Delete_File then
604 if not Do_Nothing then
605 Set_Writable (Filename);
606 end if;
607
608 Delete (Directory, Filename);
609 end if;
610 end if;
611 end;
612 end loop;
613
614 Close (Direc);
615
616 -- Restore the initial working directory
617
618 Change_Dir (Current);
619 end;
620 end if;
621 end Clean_Interface_Copy_Directory;
622
623 -----------------------------
624 -- Clean_Library_Directory --
625 -----------------------------
626
627 Empty_String : aliased String := "";
628
629 procedure Clean_Library_Directory (Project : Project_Id) is
630 Current : constant String := Get_Current_Dir;
631
632 Lib_Filename : constant String := Get_Name_String (Project.Library_Name);
633 DLL_Name : String :=
634 DLL_Prefix & Lib_Filename & "." & DLL_Ext;
635 Archive_Name : String :=
636 "lib" & Lib_Filename & "." & Archive_Ext;
637 Direc : Dir_Type;
638
639 Name : String (1 .. 200);
640 Last : Natural;
641
642 Delete_File : Boolean;
643
644 Minor : String_Access := Empty_String'Access;
645 Major : String_Access := Empty_String'Access;
646
647 begin
648 if Project.Library then
649 if Project.Library_Kind /= Static
650 and then MLib.Tgt.Library_Major_Minor_Id_Supported
651 and then Project.Lib_Internal_Name /= No_Name
652 then
653 Minor := new String'(Get_Name_String (Project.Lib_Internal_Name));
654 Major := new String'(MLib.Major_Id_Name (DLL_Name, Minor.all));
655 end if;
656
657 declare
658 Lib_Directory : constant String :=
659 Get_Name_String
660 (Project.Library_Dir.Display_Name);
661 Lib_ALI_Directory : constant String :=
662 Get_Name_String
663 (Project.Library_ALI_Dir.Display_Name);
664
665 begin
666 Canonical_Case_File_Name (Archive_Name);
667 Canonical_Case_File_Name (DLL_Name);
668
669 Change_Dir (Lib_Directory);
670 Open (Direc, ".");
671
672 -- For each regular file in the directory, if switch -n has not
673 -- been specified, make it writable and delete the file if it is
674 -- the library file.
675
676 loop
677 Read (Direc, Name, Last);
678 exit when Last = 0;
679
680 declare
681 Filename : constant String := Name (1 .. Last);
682
683 begin
684 if Is_Regular_File (Filename)
685 or else Is_Symbolic_Link (Filename)
686 then
687 Canonical_Case_File_Name (Name (1 .. Last));
688 Delete_File := False;
689
690 if (Project.Library_Kind = Static
691 and then Name (1 .. Last) = Archive_Name)
692 or else
693 ((Project.Library_Kind = Dynamic
694 or else
695 Project.Library_Kind = Relocatable)
696 and then
697 (Name (1 .. Last) = DLL_Name
698 or else
699 Name (1 .. Last) = Minor.all
700 or else
701 Name (1 .. Last) = Major.all))
702 then
703 if not Do_Nothing then
704 Set_Writable (Filename);
705 end if;
706
707 Delete (Lib_Directory, Filename);
708 end if;
709 end if;
710 end;
711 end loop;
712
713 Close (Direc);
714
715 Change_Dir (Lib_ALI_Directory);
716 Open (Direc, ".");
717
718 -- For each regular file in the directory, if switch -n has not
719 -- been specified, make it writable and delete the file if it is
720 -- any ALI file of a source of the project.
721
722 loop
723 Read (Direc, Name, Last);
724 exit when Last = 0;
725
726 declare
727 Filename : constant String := Name (1 .. Last);
728 begin
729 if Is_Regular_File (Filename) then
730 Canonical_Case_File_Name (Name (1 .. Last));
731 Delete_File := False;
732
733 if Last > 4 and then Name (Last - 3 .. Last) = ".ali" then
734 declare
735 Unit : Unit_Index;
736 begin
737 -- Compare with ALI file names of the project
738
739 Unit := Units_Htable.Get_First
740 (Project_Tree.Units_HT);
741 while Unit /= No_Unit_Index loop
742 if Unit.File_Names (Impl) /= null
743 and then Unit.File_Names (Impl).Project /=
744 No_Project
745 then
746 if Ultimate_Extending_Project_Of
747 (Unit.File_Names (Impl).Project) =
748 Project
749 then
750 Get_Name_String
751 (Unit.File_Names (Impl).File);
752 Name_Len := Name_Len -
753 File_Extension
754 (Name (1 .. Name_Len))'Length;
755 if Name_Buffer (1 .. Name_Len) =
756 Name (1 .. Last - 4)
757 then
758 Delete_File := True;
759 exit;
760 end if;
761 end if;
762
763 elsif Unit.File_Names (Spec) /= null
764 and then Ultimate_Extending_Project_Of
765 (Unit.File_Names (Spec).Project) =
766 Project
767 then
768 Get_Name_String
769 (Unit.File_Names (Spec).File);
770 Name_Len :=
771 Name_Len -
772 File_Extension
773 (Name (1 .. Name_Len))'Length;
774
775 if Name_Buffer (1 .. Name_Len) =
776 Name (1 .. Last - 4)
777 then
778 Delete_File := True;
779 exit;
780 end if;
781 end if;
782
783 Unit :=
784 Units_Htable.Get_Next (Project_Tree.Units_HT);
785 end loop;
786 end;
787 end if;
788
789 if Delete_File then
790 if not Do_Nothing then
791 Set_Writable (Filename);
792 end if;
793
794 Delete (Lib_ALI_Directory, Filename);
795 end if;
796 end if;
797 end;
798 end loop;
799
800 Close (Direc);
801
802 -- Restore the initial working directory
803
804 Change_Dir (Current);
805 end;
806 end if;
807 end Clean_Library_Directory;
808
809 -------------------
810 -- Clean_Project --
811 -------------------
812
813 procedure Clean_Project (Project : Project_Id) is
814 Main_Source_File : File_Name_Type;
815 -- Name of executable on the command line without directory info
816
817 Executable : File_Name_Type;
818 -- Name of the executable file
819
820 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
821 Unit : Unit_Index;
822 File_Name1 : File_Name_Type;
823 Index1 : Int;
824 File_Name2 : File_Name_Type;
825 Index2 : Int;
826 Lib_File : File_Name_Type;
827
828 Global_Archive : Boolean := False;
829
830 begin
831 -- Check that we don't specify executable on the command line for
832 -- a main library project.
833
834 if Project = Main_Project
835 and then Osint.Number_Of_Files /= 0
836 and then Project.Library
837 then
838 Osint.Fail
839 ("Cannot specify executable(s) for a Library Project File");
840 end if;
841
842 -- Nothing to clean in an externally built project
843
844 if Project.Externally_Built then
845 if Verbose_Mode then
846 Put ("Nothing to do to clean externally built project """);
847 Put (Get_Name_String (Project.Name));
848 Put_Line ("""");
849 end if;
850
851 else
852 if Verbose_Mode then
853 Put ("Cleaning project """);
854 Put (Get_Name_String (Project.Name));
855 Put_Line ("""");
856 end if;
857
858 -- Add project to the list of processed projects
859
860 Processed_Projects.Increment_Last;
861 Processed_Projects.Table (Processed_Projects.Last) := Project;
862
863 if Project.Object_Directory /= No_Path_Information then
864 declare
865 Obj_Dir : constant String :=
866 Get_Name_String
867 (Project.Object_Directory.Display_Name);
868
869 begin
870 Change_Dir (Obj_Dir);
871
872 -- First, deal with Ada
873
874 -- Look through the units to find those that are either
875 -- immediate sources or inherited sources of the project.
876 -- Extending projects may have no language specified, if
877 -- Source_Dirs or Source_Files is specified as an empty list,
878 -- so always look for Ada units in extending projects.
879
880 if Has_Ada_Sources (Project)
881 or else Project.Extends /= No_Project
882 then
883 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
884 while Unit /= No_Unit_Index loop
885 File_Name1 := No_File;
886 File_Name2 := No_File;
887
888 -- If either the spec or the body is a source of the
889 -- project, check for the corresponding ALI file in the
890 -- object directory.
891
892 if (Unit.File_Names (Impl) /= null
893 and then
894 In_Extension_Chain
895 (Unit.File_Names (Impl).Project, Project))
896 or else
897 (Unit.File_Names (Spec) /= null
898 and then In_Extension_Chain
899 (Unit.File_Names (Spec).Project, Project))
900 then
901 if Unit.File_Names (Impl) /= null then
902 File_Name1 := Unit.File_Names (Impl).File;
903 Index1 := Unit.File_Names (Impl).Index;
904 else
905 File_Name1 := No_File;
906 Index1 := 0;
907 end if;
908
909 if Unit.File_Names (Spec) /= null then
910 File_Name2 := Unit.File_Names (Spec).File;
911 Index2 := Unit.File_Names (Spec).Index;
912 else
913 File_Name2 := No_File;
914 Index2 := 0;
915 end if;
916
917 -- If there is no body file name, then there may be
918 -- only a spec.
919
920 if File_Name1 = No_File then
921 File_Name1 := File_Name2;
922 Index1 := Index2;
923 File_Name2 := No_File;
924 Index2 := 0;
925 end if;
926 end if;
927
928 -- If there is either a spec or a body, look for files
929 -- in the object directory.
930
931 if File_Name1 /= No_File then
932 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
933
934 declare
935 Asm : constant String :=
936 Assembly_File_Name (Lib_File);
937 ALI : constant String :=
938 ALI_File_Name (Lib_File);
939 Obj : constant String :=
940 Object_File_Name (Lib_File);
941 Adt : constant String :=
942 Tree_File_Name (Lib_File);
943 Deb : constant String :=
944 Debug_File_Name (File_Name1);
945 Rep : constant String :=
946 Repinfo_File_Name (File_Name1);
947 Del : Boolean := True;
948
949 begin
950 -- If the ALI file exists and is read-only, no file
951 -- is deleted.
952
953 if Is_Regular_File (ALI) then
954 if Is_Writable_File (ALI) then
955 Delete (Obj_Dir, ALI);
956
957 else
958 Del := False;
959
960 if Verbose_Mode then
961 Put ('"');
962 Put (Obj_Dir);
963
964 if Obj_Dir (Obj_Dir'Last) /=
965 Dir_Separator
966 then
967 Put (Dir_Separator);
968 end if;
969
970 Put (ALI);
971 Put_Line (""" is read-only");
972 end if;
973 end if;
974 end if;
975
976 if Del then
977
978 -- Object file
979
980 if Is_Regular_File (Obj) then
981 Delete (Obj_Dir, Obj);
982 end if;
983
984 -- Assembly file
985
986 if Is_Regular_File (Asm) then
987 Delete (Obj_Dir, Asm);
988 end if;
989
990 -- Tree file
991
992 if Is_Regular_File (Adt) then
993 Delete (Obj_Dir, Adt);
994 end if;
995
996 -- First expanded source file
997
998 if Is_Regular_File (Deb) then
999 Delete (Obj_Dir, Deb);
1000 end if;
1001
1002 -- Repinfo file
1003
1004 if Is_Regular_File (Rep) then
1005 Delete (Obj_Dir, Rep);
1006 end if;
1007
1008 -- Second expanded source file
1009
1010 if File_Name2 /= No_File then
1011 declare
1012 Deb : constant String :=
1013 Debug_File_Name (File_Name2);
1014 Rep : constant String :=
1015 Repinfo_File_Name (File_Name2);
1016
1017 begin
1018 if Is_Regular_File (Deb) then
1019 Delete (Obj_Dir, Deb);
1020 end if;
1021
1022 if Is_Regular_File (Rep) then
1023 Delete (Obj_Dir, Rep);
1024 end if;
1025 end;
1026 end if;
1027 end if;
1028 end;
1029 end if;
1030
1031 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
1032 end loop;
1033 end if;
1034
1035 -- Check if a global archive and it dependency file could have
1036 -- been created and, if they exist, delete them.
1037
1038 if Project = Main_Project and then not Project.Library then
1039 Global_Archive := False;
1040
1041 declare
1042 Proj : Project_List;
1043
1044 begin
1045 Proj := Project_Tree.Projects;
1046 while Proj /= null loop
1047
1048 -- For gnatmake, when the project specifies more than
1049 -- just Ada as a language (even if course we could not
1050 -- find any source file for the other languages), we
1051 -- will take all the object files found in the object
1052 -- directories. Since we know the project supports at
1053 -- least Ada, we just have to test whether it has at
1054 -- least two languages, and we do not care about the
1055 -- sources.
1056
1057 if Proj.Project.Languages /= null
1058 and then Proj.Project.Languages.Next /= null
1059 then
1060 Global_Archive := True;
1061 exit;
1062 end if;
1063
1064 Proj := Proj.Next;
1065 end loop;
1066 end;
1067
1068 if Global_Archive then
1069 Clean_Archive (Project, Global => True);
1070 end if;
1071 end if;
1072
1073 end;
1074 end if;
1075
1076 -- If this is a library project, clean the library directory, the
1077 -- interface copy dir and, for a Stand-Alone Library, the binder
1078 -- generated files of the library.
1079
1080 -- The directories are cleaned only if switch -c is not specified
1081
1082 if Project.Library then
1083 if not Compile_Only then
1084 Clean_Library_Directory (Project);
1085
1086 if Project.Library_Src_Dir /= No_Path_Information then
1087 Clean_Interface_Copy_Directory (Project);
1088 end if;
1089 end if;
1090
1091 if Project.Standalone_Library and then
1092 Project.Object_Directory /= No_Path_Information
1093 then
1094 Delete_Binder_Generated_Files
1095 (Get_Name_String (Project.Object_Directory.Display_Name),
1096 File_Name_Type (Project.Library_Name));
1097 end if;
1098 end if;
1099
1100 if Verbose_Mode then
1101 New_Line;
1102 end if;
1103 end if;
1104
1105 -- If switch -r is specified, call Clean_Project recursively for the
1106 -- imported projects and the project being extended.
1107
1108 if All_Projects then
1109 declare
1110 Imported : Project_List;
1111 Process : Boolean;
1112
1113 begin
1114 -- For each imported project, call Clean_Project if the project
1115 -- has not been processed already.
1116
1117 Imported := Project.Imported_Projects;
1118 while Imported /= null loop
1119 Process := True;
1120
1121 for
1122 J in Processed_Projects.First .. Processed_Projects.Last
1123 loop
1124 if Imported.Project = Processed_Projects.Table (J) then
1125 Process := False;
1126 exit;
1127 end if;
1128 end loop;
1129
1130 if Process then
1131 Clean_Project (Imported.Project);
1132 end if;
1133
1134 Imported := Imported.Next;
1135 end loop;
1136
1137 -- If this project extends another project, call Clean_Project for
1138 -- the project being extended. It is guaranteed that it has not
1139 -- called before, because no other project may import or extend
1140 -- this project.
1141
1142 if Project.Extends /= No_Project then
1143 Clean_Project (Project.Extends);
1144 end if;
1145 end;
1146 end if;
1147
1148 -- For the main project, delete the executables and the binder
1149 -- generated files.
1150
1151 -- The executables are deleted only if switch -c is not specified
1152
1153 if Project = Main_Project
1154 and then Project.Exec_Directory /= No_Path_Information
1155 then
1156 declare
1157 Exec_Dir : constant String :=
1158 Get_Name_String (Project.Exec_Directory.Display_Name);
1159
1160 begin
1161 Change_Dir (Exec_Dir);
1162
1163 for N_File in 1 .. Osint.Number_Of_Files loop
1164 Main_Source_File := Next_Main_Source;
1165
1166 if not Compile_Only then
1167 Executable :=
1168 Executable_Of
1169 (Main_Project,
1170 Project_Tree,
1171 Main_Source_File,
1172 Current_File_Index);
1173
1174 declare
1175 Exec_File_Name : constant String :=
1176 Get_Name_String (Executable);
1177
1178 begin
1179 if Is_Absolute_Path (Name => Exec_File_Name) then
1180 if Is_Regular_File (Exec_File_Name) then
1181 Delete ("", Exec_File_Name);
1182 end if;
1183
1184 else
1185 if Is_Regular_File (Exec_File_Name) then
1186 Delete (Exec_Dir, Exec_File_Name);
1187 end if;
1188 end if;
1189 end;
1190 end if;
1191
1192 if Project.Object_Directory /= No_Path_Information then
1193 Delete_Binder_Generated_Files
1194 (Get_Name_String (Project.Object_Directory.Display_Name),
1195 Strip_Suffix (Main_Source_File));
1196 end if;
1197 end loop;
1198 end;
1199 end if;
1200
1201 -- Change back to previous directory
1202
1203 Change_Dir (Current_Dir);
1204 end Clean_Project;
1205
1206 ---------------------
1207 -- Debug_File_Name --
1208 ---------------------
1209
1210 function Debug_File_Name (Source : File_Name_Type) return String is
1211 begin
1212 return Get_Name_String (Source) & Debug_Suffix;
1213 end Debug_File_Name;
1214
1215 ------------
1216 -- Delete --
1217 ------------
1218
1219 procedure Delete (In_Directory : String; File : String) is
1220 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
1221 Last : Natural := 0;
1222 Success : Boolean;
1223
1224 begin
1225 -- Indicate that at least one file is deleted or is to be deleted
1226
1227 File_Deleted := True;
1228
1229 -- Build the path name of the file to delete
1230
1231 Last := In_Directory'Length;
1232 Full_Name (1 .. Last) := In_Directory;
1233
1234 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
1235 Last := Last + 1;
1236 Full_Name (Last) := Directory_Separator;
1237 end if;
1238
1239 Full_Name (Last + 1 .. Last + File'Length) := File;
1240 Last := Last + File'Length;
1241
1242 -- If switch -n was used, simply output the path name
1243
1244 if Do_Nothing then
1245 Put_Line (Full_Name (1 .. Last));
1246
1247 -- Otherwise, delete the file if it is writable
1248
1249 else
1250 if Force_Deletions
1251 or else Is_Writable_File (Full_Name (1 .. Last))
1252 or else Is_Symbolic_Link (Full_Name (1 .. Last))
1253 then
1254 Delete_File (Full_Name (1 .. Last), Success);
1255 else
1256 Success := False;
1257 end if;
1258
1259 if Verbose_Mode or else not Quiet_Output then
1260 if not Success then
1261 Put ("Warning: """);
1262 Put (Full_Name (1 .. Last));
1263 Put_Line (""" could not be deleted");
1264
1265 else
1266 Put ("""");
1267 Put (Full_Name (1 .. Last));
1268 Put_Line (""" has been deleted");
1269 end if;
1270 end if;
1271 end if;
1272 end Delete;
1273
1274 -----------------------------------
1275 -- Delete_Binder_Generated_Files --
1276 -----------------------------------
1277
1278 procedure Delete_Binder_Generated_Files
1279 (Dir : String;
1280 Source : File_Name_Type)
1281 is
1282 Source_Name : constant String := Get_Name_String (Source);
1283 Current : constant String := Get_Current_Dir;
1284 Last : constant Positive := B_Start'Length + Source_Name'Length;
1285 File_Name : String (1 .. Last + 4);
1286
1287 begin
1288 Change_Dir (Dir);
1289
1290 -- Build the file name (before the extension)
1291
1292 File_Name (1 .. B_Start'Length) := B_Start.all;
1293 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1294
1295 -- Spec
1296
1297 File_Name (Last + 1 .. Last + 4) := ".ads";
1298
1299 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1300 Delete (Dir, File_Name (1 .. Last + 4));
1301 end if;
1302
1303 -- Body
1304
1305 File_Name (Last + 1 .. Last + 4) := ".adb";
1306
1307 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1308 Delete (Dir, File_Name (1 .. Last + 4));
1309 end if;
1310
1311 -- ALI file
1312
1313 File_Name (Last + 1 .. Last + 4) := ".ali";
1314
1315 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1316 Delete (Dir, File_Name (1 .. Last + 4));
1317 end if;
1318
1319 -- Object file
1320
1321 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1322
1323 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1324 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1325 end if;
1326
1327 -- Change back to previous directory
1328
1329 Change_Dir (Current);
1330 end Delete_Binder_Generated_Files;
1331
1332 -----------------------
1333 -- Display_Copyright --
1334 -----------------------
1335
1336 procedure Display_Copyright is
1337 begin
1338 if not Copyright_Displayed then
1339 Copyright_Displayed := True;
1340 Display_Version ("GNATCLEAN", "2003");
1341 end if;
1342 end Display_Copyright;
1343
1344 -------------
1345 -- Empty_Q --
1346 -------------
1347
1348 function Empty_Q return Boolean is
1349 begin
1350 return Q_Front >= Q.Last;
1351 end Empty_Q;
1352
1353 --------------------
1354 -- Extract_From_Q --
1355 --------------------
1356
1357 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1358 Lib : constant File_Name_Type := Q.Table (Q_Front);
1359 begin
1360 Q_Front := Q_Front + 1;
1361 Lib_File := Lib;
1362 end Extract_From_Q;
1363
1364 ---------------
1365 -- Gnatclean --
1366 ---------------
1367
1368 procedure Gnatclean is
1369 begin
1370 -- Do the necessary initializations
1371
1372 Clean.Initialize;
1373
1374 -- Parse the command line, getting the switches and the executable names
1375
1376 Parse_Cmd_Line;
1377
1378 if Verbose_Mode then
1379 Display_Copyright;
1380 end if;
1381
1382 if Project_File_Name /= null then
1383
1384 -- A project file was specified by a -P switch
1385
1386 if Opt.Verbose_Mode then
1387 New_Line;
1388 Put ("Parsing Project File """);
1389 Put (Project_File_Name.all);
1390 Put_Line (""".");
1391 New_Line;
1392 end if;
1393
1394 -- Set the project parsing verbosity to whatever was specified
1395 -- by a possible -vP switch.
1396
1397 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1398
1399 -- Parse the project file. If there is an error, Main_Project
1400 -- will still be No_Project.
1401
1402 Prj.Pars.Parse
1403 (Project => Main_Project,
1404 In_Tree => Project_Tree,
1405 Project_File_Name => Project_File_Name.all,
1406 Flags => Gnatmake_Flags,
1407 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1408
1409 if Main_Project = No_Project then
1410 Fail ("""" & Project_File_Name.all & """ processing failed");
1411 end if;
1412
1413 if Opt.Verbose_Mode then
1414 New_Line;
1415 Put ("Parsing of Project File """);
1416 Put (Project_File_Name.all);
1417 Put (""" is finished.");
1418 New_Line;
1419 end if;
1420
1421 -- Add source directories and object directories to the search paths
1422
1423 Add_Source_Directories (Main_Project, Project_Tree);
1424 Add_Object_Directories (Main_Project);
1425 end if;
1426
1427 Osint.Add_Default_Search_Dirs;
1428
1429 -- If a project file was specified, but no executable name, put all
1430 -- the mains of the project file (if any) as if there were on the
1431 -- command line.
1432
1433 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1434 declare
1435 Main : String_Element;
1436 Value : String_List_Id := Main_Project.Mains;
1437 begin
1438 while Value /= Prj.Nil_String loop
1439 Main := Project_Tree.String_Elements.Table (Value);
1440 Osint.Add_File
1441 (File_Name => Get_Name_String (Main.Value),
1442 Index => Main.Index);
1443 Value := Main.Next;
1444 end loop;
1445 end;
1446 end if;
1447
1448 -- If neither a project file nor an executable were specified, output
1449 -- the usage and exit.
1450
1451 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1452 Usage;
1453 return;
1454 end if;
1455
1456 if Verbose_Mode then
1457 New_Line;
1458 end if;
1459
1460 if Main_Project /= No_Project then
1461
1462 -- If a project file has been specified, call Clean_Project with the
1463 -- project id of this project file, after resetting the list of
1464 -- processed projects.
1465
1466 Processed_Projects.Init;
1467 Clean_Project (Main_Project);
1468
1469 else
1470 -- If no project file has been specified, the work is done in
1471 -- Clean_Executables.
1472
1473 Clean_Executables;
1474 end if;
1475
1476 -- In verbose mode, if Delete has not been called, indicate that no file
1477 -- needs to be deleted.
1478
1479 if Verbose_Mode and (not File_Deleted) then
1480 New_Line;
1481
1482 if Do_Nothing then
1483 Put_Line ("No file needs to be deleted");
1484 else
1485 Put_Line ("No file has been deleted");
1486 end if;
1487 end if;
1488 end Gnatclean;
1489
1490 ------------------------
1491 -- In_Extension_Chain --
1492 ------------------------
1493
1494 function In_Extension_Chain
1495 (Of_Project : Project_Id;
1496 Prj : Project_Id) return Boolean
1497 is
1498 Proj : Project_Id;
1499
1500 begin
1501 if Prj = No_Project or else Of_Project = No_Project then
1502 return False;
1503 end if;
1504
1505 if Of_Project = Prj then
1506 return True;
1507 end if;
1508
1509 Proj := Of_Project;
1510 while Proj.Extends /= No_Project loop
1511 if Proj.Extends = Prj then
1512 return True;
1513 end if;
1514
1515 Proj := Proj.Extends;
1516 end loop;
1517
1518 Proj := Prj;
1519 while Proj.Extends /= No_Project loop
1520 if Proj.Extends = Of_Project then
1521 return True;
1522 end if;
1523
1524 Proj := Proj.Extends;
1525 end loop;
1526
1527 return False;
1528 end In_Extension_Chain;
1529
1530 ------------
1531 -- Init_Q --
1532 ------------
1533
1534 procedure Init_Q is
1535 begin
1536 Q_Front := Q.First;
1537 Q.Set_Last (Q.First);
1538 end Init_Q;
1539
1540 ----------------
1541 -- Initialize --
1542 ----------------
1543
1544 procedure Initialize is
1545 begin
1546 if not Initialized then
1547 Initialized := True;
1548
1549 -- Get default search directories to locate system.ads when calling
1550 -- Targparm.Get_Target_Parameters.
1551
1552 Osint.Add_Default_Search_Dirs;
1553
1554 -- Initialize some packages
1555
1556 Csets.Initialize;
1557 Namet.Initialize;
1558 Snames.Initialize;
1559 Prj.Initialize (Project_Tree);
1560
1561 -- Check if the platform is VMS and, if it is, change some variables
1562
1563 Targparm.Get_Target_Parameters;
1564
1565 if OpenVMS_On_Target then
1566 Debug_Suffix (Debug_Suffix'First) := '_';
1567 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1568 B_Start := new String'("b__");
1569 end if;
1570 end if;
1571
1572 -- Reset global variables
1573
1574 Free (Object_Directory_Path);
1575 Do_Nothing := False;
1576 File_Deleted := False;
1577 Copyright_Displayed := False;
1578 Usage_Displayed := False;
1579 Free (Project_File_Name);
1580 Main_Project := Prj.No_Project;
1581 All_Projects := False;
1582 end Initialize;
1583
1584 --------------
1585 -- Insert_Q --
1586 --------------
1587
1588 procedure Insert_Q (Lib_File : File_Name_Type) is
1589 begin
1590 -- Do not insert an empty name or an already marked source
1591
1592 if Lib_File /= No_File and then not Makeutl.Is_Marked (Lib_File) then
1593 Q.Table (Q.Last) := Lib_File;
1594 Q.Increment_Last;
1595
1596 -- Mark the source that has been just added to the Q
1597
1598 Makeutl.Mark (Lib_File);
1599 end if;
1600 end Insert_Q;
1601
1602 ----------------------
1603 -- Object_File_Name --
1604 ----------------------
1605
1606 function Object_File_Name (Source : File_Name_Type) return String is
1607 Src : constant String := Get_Name_String (Source);
1608
1609 begin
1610 -- If the source name has an extension, then replace it with
1611 -- the Object suffix.
1612
1613 for Index in reverse Src'First + 1 .. Src'Last loop
1614 if Src (Index) = '.' then
1615 return Src (Src'First .. Index - 1) & Object_Suffix;
1616 end if;
1617 end loop;
1618
1619 -- If there is no dot, or if it is the first character, just add the
1620 -- ALI suffix.
1621
1622 return Src & Object_Suffix;
1623 end Object_File_Name;
1624
1625 --------------------
1626 -- Parse_Cmd_Line --
1627 --------------------
1628
1629 procedure Parse_Cmd_Line is
1630 Last : constant Natural := Argument_Count;
1631 Source_Index : Int := 0;
1632 Index : Positive;
1633
1634 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
1635
1636 begin
1637 -- First, check for --version and --help
1638
1639 Check_Version_And_Help ("GNATCLEAN", "2003");
1640
1641 Index := 1;
1642 while Index <= Last loop
1643 declare
1644 Arg : constant String := Argument (Index);
1645
1646 procedure Bad_Argument;
1647 -- Signal bad argument
1648
1649 ------------------
1650 -- Bad_Argument --
1651 ------------------
1652
1653 procedure Bad_Argument is
1654 begin
1655 Fail ("invalid argument """ & Arg & """");
1656 end Bad_Argument;
1657
1658 begin
1659 if Arg'Length /= 0 then
1660 if Arg (1) = '-' then
1661 if Arg'Length = 1 then
1662 Bad_Argument;
1663 end if;
1664
1665 case Arg (2) is
1666 when '-' =>
1667 if Arg'Length > Subdirs_Option'Length and then
1668 Arg (1 .. Subdirs_Option'Length) = Subdirs_Option
1669 then
1670 Subdirs :=
1671 new String'
1672 (Arg (Subdirs_Option'Length + 1 .. Arg'Last));
1673
1674 else
1675 Bad_Argument;
1676 end if;
1677
1678 when 'a' =>
1679 if Arg'Length < 4 then
1680 Bad_Argument;
1681 end if;
1682
1683 if Arg (3) = 'O' then
1684 Add_Lib_Search_Dir (Arg (4 .. Arg'Last));
1685
1686 elsif Arg (3) = 'P' then
1687 Prj.Ext.Add_Search_Project_Directory
1688 (Arg (4 .. Arg'Last));
1689
1690 else
1691 Bad_Argument;
1692 end if;
1693
1694 when 'c' =>
1695 Compile_Only := True;
1696
1697 when 'D' =>
1698 if Object_Directory_Path /= null then
1699 Fail ("duplicate -D switch");
1700
1701 elsif Project_File_Name /= null then
1702 Fail ("-P and -D cannot be used simultaneously");
1703 end if;
1704
1705 if Arg'Length > 2 then
1706 declare
1707 Dir : constant String := Arg (3 .. Arg'Last);
1708 begin
1709 if not Is_Directory (Dir) then
1710 Fail (Dir & " is not a directory");
1711 else
1712 Add_Lib_Search_Dir (Dir);
1713 end if;
1714 end;
1715
1716 else
1717 if Index = Last then
1718 Fail ("no directory specified after -D");
1719 end if;
1720
1721 Index := Index + 1;
1722
1723 declare
1724 Dir : constant String := Argument (Index);
1725 begin
1726 if not Is_Directory (Dir) then
1727 Fail (Dir & " is not a directory");
1728 else
1729 Add_Lib_Search_Dir (Dir);
1730 end if;
1731 end;
1732 end if;
1733
1734 when 'e' =>
1735 if Arg = "-eL" then
1736 Follow_Links_For_Files := True;
1737
1738 else
1739 Bad_Argument;
1740 end if;
1741
1742 when 'f' =>
1743 Force_Deletions := True;
1744
1745 when 'F' =>
1746 Full_Path_Name_For_Brief_Errors := True;
1747
1748 when 'h' =>
1749 Usage;
1750
1751 when 'i' =>
1752 if Arg'Length = 2 then
1753 Bad_Argument;
1754 end if;
1755
1756 Source_Index := 0;
1757
1758 for J in 3 .. Arg'Last loop
1759 if Arg (J) not in '0' .. '9' then
1760 Bad_Argument;
1761 end if;
1762
1763 Source_Index :=
1764 (20 * Source_Index) +
1765 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1766 end loop;
1767
1768 when 'I' =>
1769 if Arg = "-I-" then
1770 Opt.Look_In_Primary_Dir := False;
1771
1772 else
1773 if Arg'Length = 2 then
1774 Bad_Argument;
1775 end if;
1776
1777 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1778 end if;
1779
1780 when 'n' =>
1781 Do_Nothing := True;
1782
1783 when 'P' =>
1784 if Project_File_Name /= null then
1785 Fail ("multiple -P switches");
1786
1787 elsif Object_Directory_Path /= null then
1788 Fail ("-D and -P cannot be used simultaneously");
1789
1790 end if;
1791
1792 if Arg'Length > 2 then
1793 declare
1794 Prj : constant String := Arg (3 .. Arg'Last);
1795 begin
1796 if Prj'Length > 1 and then
1797 Prj (Prj'First) = '='
1798 then
1799 Project_File_Name :=
1800 new String'
1801 (Prj (Prj'First + 1 .. Prj'Last));
1802 else
1803 Project_File_Name := new String'(Prj);
1804 end if;
1805 end;
1806
1807 else
1808 if Index = Last then
1809 Fail ("no project specified after -P");
1810 end if;
1811
1812 Index := Index + 1;
1813 Project_File_Name := new String'(Argument (Index));
1814 end if;
1815
1816 when 'q' =>
1817 Quiet_Output := True;
1818
1819 when 'r' =>
1820 All_Projects := True;
1821
1822 when 'v' =>
1823 if Arg = "-v" then
1824 Verbose_Mode := True;
1825
1826 elsif Arg = "-vP0" then
1827 Current_Verbosity := Prj.Default;
1828
1829 elsif Arg = "-vP1" then
1830 Current_Verbosity := Prj.Medium;
1831
1832 elsif Arg = "-vP2" then
1833 Current_Verbosity := Prj.High;
1834
1835 else
1836 Bad_Argument;
1837 end if;
1838
1839 when 'X' =>
1840 if Arg'Length = 2 then
1841 Bad_Argument;
1842 end if;
1843
1844 declare
1845 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1846 Start : Positive := Ext_Asgn'First;
1847 Stop : Natural := Ext_Asgn'Last;
1848 Equal_Pos : Natural;
1849 OK : Boolean := True;
1850
1851 begin
1852 if Ext_Asgn (Start) = '"' then
1853 if Ext_Asgn (Stop) = '"' then
1854 Start := Start + 1;
1855 Stop := Stop - 1;
1856
1857 else
1858 OK := False;
1859 end if;
1860 end if;
1861
1862 Equal_Pos := Start;
1863
1864 while Equal_Pos <= Stop
1865 and then Ext_Asgn (Equal_Pos) /= '='
1866 loop
1867 Equal_Pos := Equal_Pos + 1;
1868 end loop;
1869
1870 if Equal_Pos = Start or else Equal_Pos > Stop then
1871 OK := False;
1872 end if;
1873
1874 if OK then
1875 Prj.Ext.Add
1876 (External_Name =>
1877 Ext_Asgn (Start .. Equal_Pos - 1),
1878 Value =>
1879 Ext_Asgn (Equal_Pos + 1 .. Stop));
1880
1881 else
1882 Fail
1883 ("illegal external assignment '"
1884 & Ext_Asgn
1885 & "'");
1886 end if;
1887 end;
1888
1889 when others =>
1890 Bad_Argument;
1891 end case;
1892
1893 else
1894 Add_File (Arg, Source_Index);
1895 end if;
1896 end if;
1897 end;
1898
1899 Index := Index + 1;
1900 end loop;
1901 end Parse_Cmd_Line;
1902
1903 -----------------------
1904 -- Repinfo_File_Name --
1905 -----------------------
1906
1907 function Repinfo_File_Name (Source : File_Name_Type) return String is
1908 begin
1909 return Get_Name_String (Source) & Repinfo_Suffix;
1910 end Repinfo_File_Name;
1911
1912 --------------------
1913 -- Tree_File_Name --
1914 --------------------
1915
1916 function Tree_File_Name (Source : File_Name_Type) return String is
1917 Src : constant String := Get_Name_String (Source);
1918
1919 begin
1920 -- If source name has an extension, then replace it with the tree suffix
1921
1922 for Index in reverse Src'First + 1 .. Src'Last loop
1923 if Src (Index) = '.' then
1924 return Src (Src'First .. Index - 1) & Tree_Suffix;
1925 end if;
1926 end loop;
1927
1928 -- If there is no dot, or if it is the first character, just add the
1929 -- tree suffix.
1930
1931 return Src & Tree_Suffix;
1932 end Tree_File_Name;
1933
1934 -----------
1935 -- Usage --
1936 -----------
1937
1938 procedure Usage is
1939 begin
1940 if not Usage_Displayed then
1941 Usage_Displayed := True;
1942 Display_Copyright;
1943 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1944 New_Line;
1945
1946 Put_Line (" names is one or more file names from which " &
1947 "the .adb or .ads suffix may be omitted");
1948 Put_Line (" names may be omitted if -P<project> is specified");
1949 New_Line;
1950
1951 Put_Line (" --subdirs=dir real obj/lib/exec dirs are subdirs");
1952 New_Line;
1953
1954 Put_Line (" -c Only delete compiler generated files");
1955 Put_Line (" -D dir Specify dir as the object library");
1956 Put_Line (" -eL Follow symbolic links when processing " &
1957 "project files");
1958 Put_Line (" -f Force deletions of unwritable files");
1959 Put_Line (" -F Full project path name " &
1960 "in brief error messages");
1961 Put_Line (" -h Display this message");
1962 Put_Line (" -innn Index of unit in source for following names");
1963 Put_Line (" -n Nothing to do: only list files to delete");
1964 Put_Line (" -Pproj Use GNAT Project File proj");
1965 Put_Line (" -q Be quiet/terse");
1966 Put_Line (" -r Clean all projects recursively");
1967 Put_Line (" -v Verbose mode");
1968 Put_Line (" -vPx Specify verbosity when parsing " &
1969 "GNAT Project Files");
1970 Put_Line (" -Xnm=val Specify an external reference " &
1971 "for GNAT Project Files");
1972 New_Line;
1973
1974 Put_Line (" -aPdir Add directory dir to project search path");
1975 New_Line;
1976
1977 Put_Line (" -aOdir Specify ALI/object files search path");
1978 Put_Line (" -Idir Like -aOdir");
1979 Put_Line (" -I- Don't look for source/library files " &
1980 "in the default directory");
1981 New_Line;
1982 end if;
1983 end Usage;
1984
1985 end Clean;
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