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Daily bump.
[official-gcc.git] / gcc / ada / clean.adb
blobbbe84edf61ba75a8761b730ee71c335c4c931589
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2007, 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;
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 function Ultimate_Extension_Of (Project : Project_Id) return Project_Id;
246 -- Returns either Project, if it is not extended by another project, or
247 -- the project that extends Project, directly or indirectly, and that is
248 -- not itself extended. Returns No_Project if Project is No_Project.
249
250 procedure Usage;
251 -- Display the usage. If called several times, the usage is displayed only
252 -- the first time.
253
254 --------------------
255 -- Add_Object_Dir --
256 --------------------
257
258 procedure Add_Object_Dir (N : String) is
259 begin
260 Add_Lib_Search_Dir (N);
261
262 if Opt.Verbose_Mode then
263 Put ("Adding object directory """);
264 Put (N);
265 Put (""".");
266 New_Line;
267 end if;
268 end Add_Object_Dir;
269
270 --------------------
271 -- Add_Source_Dir --
272 --------------------
273
274 procedure Add_Source_Dir (N : String) is
275 begin
276 Add_Src_Search_Dir (N);
277
278 if Opt.Verbose_Mode then
279 Put ("Adding source directory """);
280 Put (N);
281 Put (""".");
282 New_Line;
283 end if;
284 end Add_Source_Dir;
285
286 -------------------
287 -- ALI_File_Name --
288 -------------------
289
290 function ALI_File_Name (Source : File_Name_Type) return String is
291 Src : constant String := Get_Name_String (Source);
292
293 begin
294 -- If the source name has an extension, then replace it with
295 -- the ALI suffix.
296
297 for Index in reverse Src'First + 1 .. Src'Last loop
298 if Src (Index) = '.' then
299 return Src (Src'First .. Index - 1) & ALI_Suffix;
300 end if;
301 end loop;
302
303 -- If there is no dot, or if it is the first character, just add the
304 -- ALI suffix.
305
306 return Src & ALI_Suffix;
307 end ALI_File_Name;
308
309 ------------------------
310 -- Assembly_File_Name --
311 ------------------------
312
313 function Assembly_File_Name (Source : File_Name_Type) return String is
314 Src : constant String := Get_Name_String (Source);
315
316 begin
317 -- If the source name has an extension, then replace it with
318 -- the assembly suffix.
319
320 for Index in reverse Src'First + 1 .. Src'Last loop
321 if Src (Index) = '.' then
322 return Src (Src'First .. Index - 1) & Assembly_Suffix;
323 end if;
324 end loop;
325
326 -- If there is no dot, or if it is the first character, just add the
327 -- assembly suffix.
328
329 return Src & Assembly_Suffix;
330 end Assembly_File_Name;
331
332 -------------------
333 -- Clean_Archive --
334 -------------------
335
336 procedure Clean_Archive (Project : Project_Id; Global : Boolean) is
337 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
338
339 Data : constant Project_Data := Project_Tree.Projects.Table (Project);
340
341 Lib_Prefix : String_Access;
342 Archive_Name : String_Access;
343 -- The name of the archive file for this project
344
345 Archive_Dep_Name : String_Access;
346 -- The name of the archive dependency file for this project
347
348 Obj_Dir : constant String :=
349 Get_Name_String (Data.Display_Object_Dir);
350
351 begin
352 Change_Dir (Obj_Dir);
353
354 -- First, get the lib prefix, the archive file name and the archive
355 -- dependency file name.
356
357 if Global then
358 Lib_Prefix :=
359 new String'("lib" & Get_Name_String (Data.Display_Name));
360 else
361 Lib_Prefix :=
362 new String'("lib" & Get_Name_String (Data.Library_Name));
363 end if;
364
365 Archive_Name := new String'(Lib_Prefix.all & '.' & Archive_Ext);
366 Archive_Dep_Name := new String'(Lib_Prefix.all & ".deps");
367
368 -- Delete the archive file and the archive dependency file, if they
369 -- exist.
370
371 if Is_Regular_File (Archive_Name.all) then
372 Delete (Obj_Dir, Archive_Name.all);
373 end if;
374
375 if Is_Regular_File (Archive_Dep_Name.all) then
376 Delete (Obj_Dir, Archive_Dep_Name.all);
377 end if;
378
379 Change_Dir (Current_Dir);
380 end Clean_Archive;
381
382 -----------------------
383 -- Clean_Executables --
384 -----------------------
385
386 procedure Clean_Executables is
387 Main_Source_File : File_Name_Type;
388 -- Current main source
389
390 Main_Lib_File : File_Name_Type;
391 -- ALI file of the current main
392
393 Lib_File : File_Name_Type;
394 -- Current ALI file
395
396 Full_Lib_File : File_Name_Type;
397 -- Full name of the current ALI file
398
399 Text : Text_Buffer_Ptr;
400 The_ALI : ALI_Id;
401
402 begin
403 Init_Q;
404
405 -- It does not really matter if there is or not an object file
406 -- corresponding to an ALI file: if there is one, it will be deleted.
407
408 Opt.Check_Object_Consistency := False;
409
410 -- Proceed each executable one by one. Each source is marked as it is
411 -- processed, so common sources between executables will not be
412 -- processed several times.
413
414 for N_File in 1 .. Osint.Number_Of_Files loop
415 Main_Source_File := Next_Main_Source;
416 Main_Lib_File := Osint.Lib_File_Name
417 (Main_Source_File, Current_File_Index);
418 Insert_Q (Main_Lib_File);
419
420 while not Empty_Q loop
421 Sources.Set_Last (0);
422 Extract_From_Q (Lib_File);
423 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
424
425 -- If we have existing ALI file that is not read-only, process it
426
427 if Full_Lib_File /= No_File
428 and then not Is_Readonly_Library (Full_Lib_File)
429 then
430 Text := Read_Library_Info (Lib_File);
431
432 if Text /= null then
433 The_ALI :=
434 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
435 Free (Text);
436
437 -- If no error was produced while loading this ALI file,
438 -- insert into the queue all the unmarked withed sources.
439
440 if The_ALI /= No_ALI_Id then
441 for J in ALIs.Table (The_ALI).First_Unit ..
442 ALIs.Table (The_ALI).Last_Unit
443 loop
444 Sources.Increment_Last;
445 Sources.Table (Sources.Last) :=
446 ALI.Units.Table (J).Sfile;
447
448 for K in ALI.Units.Table (J).First_With ..
449 ALI.Units.Table (J).Last_With
450 loop
451 Insert_Q (Withs.Table (K).Afile);
452 end loop;
453 end loop;
454
455 -- Look for subunits and put them in the Sources table
456
457 for J in ALIs.Table (The_ALI).First_Sdep ..
458 ALIs.Table (The_ALI).Last_Sdep
459 loop
460 if Sdep.Table (J).Subunit_Name /= No_Name then
461 Sources.Increment_Last;
462 Sources.Table (Sources.Last) :=
463 Sdep.Table (J).Sfile;
464 end if;
465 end loop;
466 end if;
467 end if;
468
469 -- Now delete all existing files corresponding to this ALI file
470
471 declare
472 Obj_Dir : constant String :=
473 Dir_Name (Get_Name_String (Full_Lib_File));
474 Obj : constant String := Object_File_Name (Lib_File);
475 Adt : constant String := Tree_File_Name (Lib_File);
476 Asm : constant String := Assembly_File_Name (Lib_File);
477
478 begin
479 Delete (Obj_Dir, Get_Name_String (Lib_File));
480
481 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
482 Delete (Obj_Dir, Obj);
483 end if;
484
485 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
486 Delete (Obj_Dir, Adt);
487 end if;
488
489 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
490 Delete (Obj_Dir, Asm);
491 end if;
492
493 -- Delete expanded source files (.dg) and/or repinfo files
494 -- (.rep) if any
495
496 for J in 1 .. Sources.Last loop
497 declare
498 Deb : constant String :=
499 Debug_File_Name (Sources.Table (J));
500 Rep : constant String :=
501 Repinfo_File_Name (Sources.Table (J));
502
503 begin
504 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
505 Delete (Obj_Dir, Deb);
506 end if;
507
508 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
509 Delete (Obj_Dir, Rep);
510 end if;
511 end;
512 end loop;
513 end;
514 end if;
515 end loop;
516
517 -- Delete the executable, if it exists, and the binder generated
518 -- files, if any.
519
520 if not Compile_Only then
521 declare
522 Source : constant File_Name_Type :=
523 Strip_Suffix (Main_Lib_File);
524 Executable : constant String :=
525 Get_Name_String (Executable_Name (Source));
526 begin
527 if Is_Regular_File (Executable) then
528 Delete ("", Executable);
529 end if;
530
531 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
532 end;
533 end if;
534 end loop;
535 end Clean_Executables;
536
537 ------------------------------------
538 -- Clean_Interface_Copy_Directory --
539 ------------------------------------
540
541 procedure Clean_Interface_Copy_Directory (Project : Project_Id) is
542 Current : constant String := Get_Current_Dir;
543 Data : constant Project_Data := Project_Tree.Projects.Table (Project);
544
545 Direc : Dir_Type;
546
547 Name : String (1 .. 200);
548 Last : Natural;
549
550 Delete_File : Boolean;
551 Unit : Unit_Data;
552
553 begin
554 if Data.Library and then Data.Library_Src_Dir /= No_Path then
555 declare
556 Directory : constant String :=
557 Get_Name_String (Data.Display_Library_Src_Dir);
558
559 begin
560 Change_Dir (Directory);
561 Open (Direc, ".");
562
563 -- For each regular file in the directory, if switch -n has not
564 -- been specified, make it writable and delete the file if it is
565 -- a copy of a source of the project.
566
567 loop
568 Read (Direc, Name, Last);
569 exit when Last = 0;
570
571 declare
572 Filename : constant String := Name (1 .. Last);
573
574 begin
575 if Is_Regular_File (Filename) then
576 Canonical_Case_File_Name (Name (1 .. Last));
577 Delete_File := False;
578
579 -- Compare with source file names of the project
580
581 for Index in
582 1 .. Unit_Table.Last (Project_Tree.Units)
583 loop
584 Unit := Project_Tree.Units.Table (Index);
585
586 if Ultimate_Extension_Of
587 (Unit.File_Names (Body_Part).Project) = Project
588 and then
589 Get_Name_String
590 (Unit.File_Names (Body_Part).Name) =
591 Name (1 .. Last)
592 then
593 Delete_File := True;
594 exit;
595 end if;
596
597 if Ultimate_Extension_Of
598 (Unit.File_Names (Specification).Project) = Project
599 and then
600 Get_Name_String
601 (Unit.File_Names (Specification).Name) =
602 Name (1 .. Last)
603 then
604 Delete_File := True;
605 exit;
606 end if;
607 end loop;
608
609 if Delete_File then
610 if not Do_Nothing then
611 Set_Writable (Filename);
612 end if;
613
614 Delete (Directory, Filename);
615 end if;
616 end if;
617 end;
618 end loop;
619
620 Close (Direc);
621
622 -- Restore the initial working directory
623
624 Change_Dir (Current);
625 end;
626 end if;
627 end Clean_Interface_Copy_Directory;
628
629 -----------------------------
630 -- Clean_Library_Directory --
631 -----------------------------
632
633 Empty_String : aliased String := "";
634
635 procedure Clean_Library_Directory (Project : Project_Id) is
636 Current : constant String := Get_Current_Dir;
637 Data : constant Project_Data := Project_Tree.Projects.Table (Project);
638
639 Lib_Filename : constant String := Get_Name_String (Data.Library_Name);
640 DLL_Name : String :=
641 DLL_Prefix & Lib_Filename & "." & DLL_Ext;
642 Archive_Name : String :=
643 "lib" & Lib_Filename & "." & Archive_Ext;
644 Direc : Dir_Type;
645
646 Name : String (1 .. 200);
647 Last : Natural;
648
649 Delete_File : Boolean;
650
651 Minor : String_Access := Empty_String'Access;
652 Major : String_Access := Empty_String'Access;
653
654 begin
655 if Data.Library then
656 if Data.Library_Kind /= Static
657 and then MLib.Tgt.Library_Major_Minor_Id_Supported
658 and then Data.Lib_Internal_Name /= No_Name
659 then
660 Minor := new String'(Get_Name_String (Data.Lib_Internal_Name));
661 Major := new String'(MLib.Major_Id_Name (DLL_Name, Minor.all));
662 end if;
663
664 declare
665 Lib_Directory : constant String :=
666 Get_Name_String (Data.Display_Library_Dir);
667 Lib_ALI_Directory : constant String :=
668 Get_Name_String
669 (Data.Display_Library_ALI_Dir);
670
671 begin
672 Canonical_Case_File_Name (Archive_Name);
673 Canonical_Case_File_Name (DLL_Name);
674
675 Change_Dir (Lib_Directory);
676 Open (Direc, ".");
677
678 -- For each regular file in the directory, if switch -n has not
679 -- been specified, make it writable and delete the file if it is
680 -- the library file.
681
682 loop
683 Read (Direc, Name, Last);
684 exit when Last = 0;
685
686 declare
687 Filename : constant String := Name (1 .. Last);
688 begin
689 if Is_Regular_File (Filename)
690 or else Is_Symbolic_Link (Filename)
691 then
692 Canonical_Case_File_Name (Name (1 .. Last));
693 Delete_File := False;
694
695 if (Data.Library_Kind = Static
696 and then Name (1 .. Last) = Archive_Name)
697 or else
698 ((Data.Library_Kind = Dynamic or else
699 Data.Library_Kind = Relocatable)
700 and then
701 (Name (1 .. Last) = DLL_Name
702 or else Name (1 .. Last) = Minor.all
703 or else Name (1 .. Last) = Major.all))
704 then
705 if not Do_Nothing then
706 Set_Writable (Filename);
707 end if;
708
709 Delete (Lib_Directory, Filename);
710 end if;
711 end if;
712 end;
713 end loop;
714
715 Close (Direc);
716
717 Change_Dir (Lib_ALI_Directory);
718 Open (Direc, ".");
719
720 -- For each regular file in the directory, if switch -n has not
721 -- been specified, make it writable and delete the file if it is
722 -- any ALI file of a source of the project.
723
724 loop
725 Read (Direc, Name, Last);
726 exit when Last = 0;
727
728 declare
729 Filename : constant String := Name (1 .. Last);
730 begin
731 if Is_Regular_File (Filename) then
732 Canonical_Case_File_Name (Name (1 .. Last));
733 Delete_File := False;
734
735 if Last > 4 and then Name (Last - 3 .. Last) = ".ali" then
736 declare
737 Unit : Unit_Data;
738 begin
739 -- Compare with ALI file names of the project
740
741 for
742 Index in 1 .. Unit_Table.Last (Project_Tree.Units)
743 loop
744 Unit := Project_Tree.Units.Table (Index);
745
746 if Unit.File_Names (Body_Part).Project /=
747 No_Project
748 then
749 if Ultimate_Extension_Of
750 (Unit.File_Names (Body_Part).Project) =
751 Project
752 then
753 Get_Name_String
754 (Unit.File_Names (Body_Part).Name);
755 Name_Len := Name_Len -
756 File_Extension
757 (Name (1 .. Name_Len))'Length;
758 if Name_Buffer (1 .. Name_Len) =
759 Name (1 .. Last - 4)
760 then
761 Delete_File := True;
762 exit;
763 end if;
764 end if;
765
766 elsif Ultimate_Extension_Of
767 (Unit.File_Names (Specification).Project) =
768 Project
769 then
770 Get_Name_String
771 (Unit.File_Names (Specification).Name);
772 Name_Len := 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 end loop;
784 end;
785 end if;
786
787 if Delete_File then
788 if not Do_Nothing then
789 Set_Writable (Filename);
790 end if;
791
792 Delete (Lib_ALI_Directory, Filename);
793 end if;
794 end if;
795 end;
796 end loop;
797
798 Close (Direc);
799
800 -- Restore the initial working directory
801
802 Change_Dir (Current);
803 end;
804 end if;
805 end Clean_Library_Directory;
806
807 -------------------
808 -- Clean_Project --
809 -------------------
810
811 procedure Clean_Project (Project : Project_Id) is
812 Main_Source_File : File_Name_Type;
813 -- Name of executable on the command line without directory info
814
815 Executable : File_Name_Type;
816 -- Name of the executable file
817
818 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
819 Data : constant Project_Data :=
820 Project_Tree.Projects.Table (Project);
821 U_Data : Unit_Data;
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 Source_Id : Other_Source_Id;
829 Source : Other_Source;
830
831 Global_Archive : Boolean := False;
832
833 begin
834 -- Check that we don't specify executable on the command line for
835 -- a main library project.
836
837 if Project = Main_Project
838 and then Osint.Number_Of_Files /= 0
839 and then Data.Library
840 then
841 Osint.Fail
842 ("Cannot specify executable(s) for a Library Project File");
843 end if;
844
845 -- Nothing to clean in an externally built project
846
847 if Data.Externally_Built then
848 if Verbose_Mode then
849 Put ("Nothing to do to clean externally built project """);
850 Put (Get_Name_String (Data.Name));
851 Put_Line ("""");
852 end if;
853
854 else
855 if Verbose_Mode then
856 Put ("Cleaning project """);
857 Put (Get_Name_String (Data.Name));
858 Put_Line ("""");
859 end if;
860
861 -- Add project to the list of processed projects
862
863 Processed_Projects.Increment_Last;
864 Processed_Projects.Table (Processed_Projects.Last) := Project;
865
866 if Data.Object_Directory /= No_Path then
867 declare
868 Obj_Dir : constant String :=
869 Get_Name_String (Data.Display_Object_Dir);
870
871 begin
872 Change_Dir (Obj_Dir);
873
874 -- First, deal with Ada
875
876 -- Look through the units to find those that are either
877 -- immediate sources or inherited sources of the project.
878 -- Extending projects may have no language specified, if
879 -- Source_Dirs or Source_Files is specified as an empty list,
880 -- so always look for Ada units in extending projects.
881
882 if Data.Langs (Ada_Language_Index)
883 or else Data.Extends /= No_Project
884 then
885 for Unit in Unit_Table.First ..
886 Unit_Table.Last (Project_Tree.Units)
887 loop
888 U_Data := Project_Tree.Units.Table (Unit);
889 File_Name1 := No_File;
890 File_Name2 := No_File;
891
892 -- If either the spec or the body is a source of the
893 -- project, check for the corresponding ALI file in the
894 -- object directory.
895
896 if In_Extension_Chain
897 (U_Data.File_Names (Body_Part).Project, Project)
898 or else
899 In_Extension_Chain
900 (U_Data.File_Names (Specification).Project, Project)
901 then
902 File_Name1 := U_Data.File_Names (Body_Part).Name;
903 Index1 := U_Data.File_Names (Body_Part).Index;
904 File_Name2 := U_Data.File_Names (Specification).Name;
905 Index2 := U_Data.File_Names (Specification).Index;
906
907 -- If there is no body file name, then there may be
908 -- only a spec.
909
910 if File_Name1 = No_File then
911 File_Name1 := File_Name2;
912 Index1 := Index2;
913 File_Name2 := No_File;
914 Index2 := 0;
915 end if;
916 end if;
917
918 -- If there is either a spec or a body, look for files
919 -- in the object directory.
920
921 if File_Name1 /= No_File then
922 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
923
924 declare
925 Asm : constant String :=
926 Assembly_File_Name (Lib_File);
927 ALI : constant String :=
928 ALI_File_Name (Lib_File);
929 Obj : constant String :=
930 Object_File_Name (Lib_File);
931 Adt : constant String :=
932 Tree_File_Name (Lib_File);
933 Deb : constant String :=
934 Debug_File_Name (File_Name1);
935 Rep : constant String :=
936 Repinfo_File_Name (File_Name1);
937 Del : Boolean := True;
938
939 begin
940 -- If the ALI file exists and is read-only, no file
941 -- is deleted.
942
943 if Is_Regular_File (ALI) then
944 if Is_Writable_File (ALI) then
945 Delete (Obj_Dir, ALI);
946
947 else
948 Del := False;
949
950 if Verbose_Mode then
951 Put ('"');
952 Put (Obj_Dir);
953
954 if Obj_Dir (Obj_Dir'Last) /=
955 Dir_Separator
956 then
957 Put (Dir_Separator);
958 end if;
959
960 Put (ALI);
961 Put_Line (""" is read-only");
962 end if;
963 end if;
964 end if;
965
966 if Del then
967
968 -- Object file
969
970 if Is_Regular_File (Obj) then
971 Delete (Obj_Dir, Obj);
972 end if;
973
974 -- Assembly file
975
976 if Is_Regular_File (Asm) then
977 Delete (Obj_Dir, Asm);
978 end if;
979
980 -- Tree file
981
982 if Is_Regular_File (Adt) then
983 Delete (Obj_Dir, Adt);
984 end if;
985
986 -- First expanded source file
987
988 if Is_Regular_File (Deb) then
989 Delete (Obj_Dir, Deb);
990 end if;
991
992 -- Repinfo file
993
994 if Is_Regular_File (Rep) then
995 Delete (Obj_Dir, Rep);
996 end if;
997
998 -- Second expanded source file
999
1000 if File_Name2 /= No_File then
1001 declare
1002 Deb : constant String :=
1003 Debug_File_Name (File_Name2);
1004 Rep : constant String :=
1005 Repinfo_File_Name (File_Name2);
1006
1007 begin
1008 if Is_Regular_File (Deb) then
1009 Delete (Obj_Dir, Deb);
1010 end if;
1011
1012 if Is_Regular_File (Rep) then
1013 Delete (Obj_Dir, Rep);
1014 end if;
1015 end;
1016 end if;
1017 end if;
1018 end;
1019 end if;
1020 end loop;
1021 end if;
1022
1023 -- Check if a global archive and it dependency file could have
1024 -- been created and, if they exist, delete them.
1025
1026 if Project = Main_Project and then not Data.Library then
1027 Global_Archive := False;
1028
1029 for Proj in Project_Table.First ..
1030 Project_Table.Last (Project_Tree.Projects)
1031 loop
1032 if Project_Tree.Projects.Table
1033 (Proj).Other_Sources_Present
1034 then
1035 Global_Archive := True;
1036 exit;
1037 end if;
1038 end loop;
1039
1040 if Global_Archive then
1041 Clean_Archive (Project, Global => True);
1042 end if;
1043 end if;
1044
1045 if Data.Other_Sources_Present then
1046
1047 -- There is non-Ada code: delete the object files and
1048 -- the dependency files if they exist.
1049
1050 Source_Id := Data.First_Other_Source;
1051 while Source_Id /= No_Other_Source loop
1052 Source :=
1053 Project_Tree.Other_Sources.Table (Source_Id);
1054
1055 if Is_Regular_File
1056 (Get_Name_String (Source.Object_Name))
1057 then
1058 Delete (Obj_Dir, Get_Name_String (Source.Object_Name));
1059 end if;
1060
1061 if
1062 Is_Regular_File (Get_Name_String (Source.Dep_Name))
1063 then
1064 Delete (Obj_Dir, Get_Name_String (Source.Dep_Name));
1065 end if;
1066
1067 Source_Id := Source.Next;
1068 end loop;
1069
1070 -- If it is a library with only non Ada sources, delete
1071 -- the fake archive and the dependency file, if they exist.
1072
1073 if Data.Library
1074 and then not Data.Langs (Ada_Language_Index)
1075 then
1076 Clean_Archive (Project, Global => False);
1077 end if;
1078 end if;
1079 end;
1080 end if;
1081
1082 -- If this is a library project, clean the library directory, the
1083 -- interface copy dir and, for a Stand-Alone Library, the binder
1084 -- generated files of the library.
1085
1086 -- The directories are cleaned only if switch -c is not specified
1087
1088 if Data.Library then
1089 if not Compile_Only then
1090 Clean_Library_Directory (Project);
1091
1092 if Data.Library_Src_Dir /= No_Path then
1093 Clean_Interface_Copy_Directory (Project);
1094 end if;
1095 end if;
1096
1097 if Data.Standalone_Library and then
1098 Data.Object_Directory /= No_Path
1099 then
1100 Delete_Binder_Generated_Files
1101 (Get_Name_String (Data.Display_Object_Dir),
1102 File_Name_Type (Data.Library_Name));
1103 end if;
1104 end if;
1105
1106 if Verbose_Mode then
1107 New_Line;
1108 end if;
1109 end if;
1110
1111 -- If switch -r is specified, call Clean_Project recursively for the
1112 -- imported projects and the project being extended.
1113
1114 if All_Projects then
1115 declare
1116 Imported : Project_List := Data.Imported_Projects;
1117 Element : Project_Element;
1118 Process : Boolean;
1119
1120 begin
1121 -- For each imported project, call Clean_Project if the project
1122 -- has not been processed already.
1123
1124 while Imported /= Empty_Project_List loop
1125 Element := Project_Tree.Project_Lists.Table (Imported);
1126 Imported := Element.Next;
1127 Process := True;
1128
1129 for
1130 J in Processed_Projects.First .. Processed_Projects.Last
1131 loop
1132 if Element.Project = Processed_Projects.Table (J) then
1133 Process := False;
1134 exit;
1135 end if;
1136 end loop;
1137
1138 if Process then
1139 Clean_Project (Element.Project);
1140 end if;
1141 end loop;
1142
1143 -- If this project extends another project, call Clean_Project for
1144 -- the project being extended. It is guaranteed that it has not
1145 -- called before, because no other project may import or extend
1146 -- this project.
1147
1148 if Data.Extends /= No_Project then
1149 Clean_Project (Data.Extends);
1150 end if;
1151 end;
1152 end if;
1153
1154 -- For the main project, delete the executables and the binder
1155 -- generated files.
1156
1157 -- The executables are deleted only if switch -c is not specified
1158
1159 if Project = Main_Project and then Data.Exec_Directory /= No_Path then
1160 declare
1161 Exec_Dir : constant String :=
1162 Get_Name_String (Data.Display_Exec_Dir);
1163
1164 begin
1165 Change_Dir (Exec_Dir);
1166
1167 for N_File in 1 .. Osint.Number_Of_Files loop
1168 Main_Source_File := Next_Main_Source;
1169
1170 if not Compile_Only then
1171 Executable :=
1172 Executable_Of
1173 (Main_Project,
1174 Project_Tree,
1175 Main_Source_File,
1176 Current_File_Index);
1177
1178 declare
1179 Exec_File_Name : constant String :=
1180 Get_Name_String (Executable);
1181
1182 begin
1183 if Is_Absolute_Path (Name => Exec_File_Name) then
1184 if Is_Regular_File (Exec_File_Name) then
1185 Delete ("", Exec_File_Name);
1186 end if;
1187
1188 else
1189 if Is_Regular_File (Exec_File_Name) then
1190 Delete (Exec_Dir, Exec_File_Name);
1191 end if;
1192 end if;
1193 end;
1194 end if;
1195
1196 if Data.Object_Directory /= No_Path then
1197 Delete_Binder_Generated_Files
1198 (Get_Name_String (Data.Display_Object_Dir),
1199 Strip_Suffix (Main_Source_File));
1200 end if;
1201 end loop;
1202 end;
1203 end if;
1204
1205 -- Change back to previous directory
1206
1207 Change_Dir (Current_Dir);
1208 end Clean_Project;
1209
1210 ---------------------
1211 -- Debug_File_Name --
1212 ---------------------
1213
1214 function Debug_File_Name (Source : File_Name_Type) return String is
1215 begin
1216 return Get_Name_String (Source) & Debug_Suffix;
1217 end Debug_File_Name;
1218
1219 ------------
1220 -- Delete --
1221 ------------
1222
1223 procedure Delete (In_Directory : String; File : String) is
1224 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
1225 Last : Natural := 0;
1226 Success : Boolean;
1227
1228 begin
1229 -- Indicate that at least one file is deleted or is to be deleted
1230
1231 File_Deleted := True;
1232
1233 -- Build the path name of the file to delete
1234
1235 Last := In_Directory'Length;
1236 Full_Name (1 .. Last) := In_Directory;
1237
1238 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
1239 Last := Last + 1;
1240 Full_Name (Last) := Directory_Separator;
1241 end if;
1242
1243 Full_Name (Last + 1 .. Last + File'Length) := File;
1244 Last := Last + File'Length;
1245
1246 -- If switch -n was used, simply output the path name
1247
1248 if Do_Nothing then
1249 Put_Line (Full_Name (1 .. Last));
1250
1251 -- Otherwise, delete the file if it is writable
1252
1253 else
1254 if Force_Deletions
1255 or else Is_Writable_File (Full_Name (1 .. Last))
1256 or else Is_Symbolic_Link (Full_Name (1 .. Last))
1257 then
1258 Delete_File (Full_Name (1 .. Last), Success);
1259 else
1260 Success := False;
1261 end if;
1262
1263 if Verbose_Mode or else not Quiet_Output then
1264 if not Success then
1265 Put ("Warning: """);
1266 Put (Full_Name (1 .. Last));
1267 Put_Line (""" could not be deleted");
1268
1269 else
1270 Put ("""");
1271 Put (Full_Name (1 .. Last));
1272 Put_Line (""" has been deleted");
1273 end if;
1274 end if;
1275 end if;
1276 end Delete;
1277
1278 -----------------------------------
1279 -- Delete_Binder_Generated_Files --
1280 -----------------------------------
1281
1282 procedure Delete_Binder_Generated_Files
1283 (Dir : String;
1284 Source : File_Name_Type)
1285 is
1286 Source_Name : constant String := Get_Name_String (Source);
1287 Current : constant String := Get_Current_Dir;
1288 Last : constant Positive := B_Start'Length + Source_Name'Length;
1289 File_Name : String (1 .. Last + 4);
1290
1291 begin
1292 Change_Dir (Dir);
1293
1294 -- Build the file name (before the extension)
1295
1296 File_Name (1 .. B_Start'Length) := B_Start.all;
1297 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1298
1299 -- Spec
1300
1301 File_Name (Last + 1 .. Last + 4) := ".ads";
1302
1303 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1304 Delete (Dir, File_Name (1 .. Last + 4));
1305 end if;
1306
1307 -- Body
1308
1309 File_Name (Last + 1 .. Last + 4) := ".adb";
1310
1311 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1312 Delete (Dir, File_Name (1 .. Last + 4));
1313 end if;
1314
1315 -- ALI file
1316
1317 File_Name (Last + 1 .. Last + 4) := ".ali";
1318
1319 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1320 Delete (Dir, File_Name (1 .. Last + 4));
1321 end if;
1322
1323 -- Object file
1324
1325 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1326
1327 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1328 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1329 end if;
1330
1331 -- Change back to previous directory
1332
1333 Change_Dir (Current);
1334 end Delete_Binder_Generated_Files;
1335
1336 -----------------------
1337 -- Display_Copyright --
1338 -----------------------
1339
1340 procedure Display_Copyright is
1341 begin
1342 if not Copyright_Displayed then
1343 Copyright_Displayed := True;
1344 Display_Version ("GNATCLEAN", "2003");
1345 end if;
1346 end Display_Copyright;
1347
1348 -------------
1349 -- Empty_Q --
1350 -------------
1351
1352 function Empty_Q return Boolean is
1353 begin
1354 return Q_Front >= Q.Last;
1355 end Empty_Q;
1356
1357 --------------------
1358 -- Extract_From_Q --
1359 --------------------
1360
1361 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1362 Lib : constant File_Name_Type := Q.Table (Q_Front);
1363 begin
1364 Q_Front := Q_Front + 1;
1365 Lib_File := Lib;
1366 end Extract_From_Q;
1367
1368 ---------------
1369 -- Gnatclean --
1370 ---------------
1371
1372 procedure Gnatclean is
1373 begin
1374 -- Do the necessary initializations
1375
1376 Clean.Initialize;
1377
1378 -- Parse the command line, getting the switches and the executable names
1379
1380 Parse_Cmd_Line;
1381
1382 if Verbose_Mode then
1383 Display_Copyright;
1384 end if;
1385
1386 if Project_File_Name /= null then
1387
1388 -- A project file was specified by a -P switch
1389
1390 if Opt.Verbose_Mode then
1391 New_Line;
1392 Put ("Parsing Project File """);
1393 Put (Project_File_Name.all);
1394 Put_Line (""".");
1395 New_Line;
1396 end if;
1397
1398 -- Set the project parsing verbosity to whatever was specified
1399 -- by a possible -vP switch.
1400
1401 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1402
1403 -- Parse the project file. If there is an error, Main_Project
1404 -- will still be No_Project.
1405
1406 Prj.Pars.Parse
1407 (Project => Main_Project,
1408 In_Tree => Project_Tree,
1409 Project_File_Name => Project_File_Name.all,
1410 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1411
1412 if Main_Project = No_Project then
1413 Fail ("""" & Project_File_Name.all & """ processing failed");
1414 end if;
1415
1416 if Opt.Verbose_Mode then
1417 New_Line;
1418 Put ("Parsing of Project File """);
1419 Put (Project_File_Name.all);
1420 Put (""" is finished.");
1421 New_Line;
1422 end if;
1423
1424 -- Add source directories and object directories to the search paths
1425
1426 Add_Source_Directories (Main_Project, Project_Tree);
1427 Add_Object_Directories (Main_Project, Project_Tree);
1428 end if;
1429
1430 Osint.Add_Default_Search_Dirs;
1431
1432 -- If a project file was specified, but no executable name, put all
1433 -- the mains of the project file (if any) as if there were on the
1434 -- command line.
1435
1436 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1437 declare
1438 Value : String_List_Id :=
1439 Project_Tree.Projects.Table (Main_Project).Mains;
1440 Main : String_Element;
1441 begin
1442 while Value /= Prj.Nil_String loop
1443 Main := Project_Tree.String_Elements.Table (Value);
1444 Osint.Add_File
1445 (File_Name => Get_Name_String (Main.Value),
1446 Index => Main.Index);
1447 Value := Main.Next;
1448 end loop;
1449 end;
1450 end if;
1451
1452 -- If neither a project file nor an executable were specified,
1453 -- output the usage and exit.
1454
1455 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1456 Usage;
1457 return;
1458 end if;
1459
1460 if Verbose_Mode then
1461 New_Line;
1462 end if;
1463
1464 if Main_Project /= No_Project then
1465
1466 -- If a project file has been specified, call Clean_Project with the
1467 -- project id of this project file, after resetting the list of
1468 -- processed projects.
1469
1470 Processed_Projects.Init;
1471 Clean_Project (Main_Project);
1472
1473 else
1474 -- If no project file has been specified, the work is done in
1475 -- Clean_Executables.
1476
1477 Clean_Executables;
1478 end if;
1479
1480 -- In verbose mode, if Delete has not been called, indicate that
1481 -- no file needs to be deleted.
1482
1483 if Verbose_Mode and (not File_Deleted) then
1484 New_Line;
1485
1486 if Do_Nothing then
1487 Put_Line ("No file needs to be deleted");
1488 else
1489 Put_Line ("No file has been deleted");
1490 end if;
1491 end if;
1492 end Gnatclean;
1493
1494 ------------------------
1495 -- In_Extension_Chain --
1496 ------------------------
1497
1498 function In_Extension_Chain
1499 (Of_Project : Project_Id;
1500 Prj : Project_Id) return Boolean
1501 is
1502 Data : Project_Data;
1503
1504 begin
1505 if Prj = No_Project or else Of_Project = No_Project then
1506 return False;
1507 end if;
1508
1509 if Of_Project = Prj then
1510 return True;
1511 end if;
1512
1513 Data := Project_Tree.Projects.Table (Of_Project);
1514
1515 while Data.Extends /= No_Project loop
1516 if Data.Extends = Prj then
1517 return True;
1518 end if;
1519
1520 Data := Project_Tree.Projects.Table (Data.Extends);
1521 end loop;
1522
1523 Data := Project_Tree.Projects.Table (Prj);
1524
1525 while Data.Extends /= No_Project loop
1526 if Data.Extends = Of_Project then
1527 return True;
1528 end if;
1529
1530 Data := Project_Tree.Projects.Table (Data.Extends);
1531 end loop;
1532
1533 return False;
1534 end In_Extension_Chain;
1535
1536 ------------
1537 -- Init_Q --
1538 ------------
1539
1540 procedure Init_Q is
1541 begin
1542 Q_Front := Q.First;
1543 Q.Set_Last (Q.First);
1544 end Init_Q;
1545
1546 ----------------
1547 -- Initialize --
1548 ----------------
1549
1550 procedure Initialize is
1551 begin
1552 if not Initialized then
1553 Initialized := True;
1554
1555 -- Get default search directories to locate system.ads when calling
1556 -- Targparm.Get_Target_Parameters.
1557
1558 Osint.Add_Default_Search_Dirs;
1559
1560 -- Initialize some packages
1561
1562 Csets.Initialize;
1563 Namet.Initialize;
1564 Snames.Initialize;
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 'a' =>
1673 if Arg'Length < 4 then
1674 Bad_Argument;
1675 end if;
1676
1677 if Arg (3) = 'O' then
1678 Add_Lib_Search_Dir (Arg (4 .. Arg'Last));
1679
1680 elsif Arg (3) = 'P' then
1681 Prj.Ext.Add_Search_Project_Directory
1682 (Arg (4 .. Arg'Last));
1683
1684 else
1685 Bad_Argument;
1686 end if;
1687
1688 when 'c' =>
1689 Compile_Only := True;
1690
1691 when 'D' =>
1692 if Object_Directory_Path /= null then
1693 Fail ("duplicate -D switch");
1694
1695 elsif Project_File_Name /= null then
1696 Fail ("-P and -D cannot be used simultaneously");
1697 end if;
1698
1699 if Arg'Length > 2 then
1700 declare
1701 Dir : constant String := Arg (3 .. Arg'Last);
1702 begin
1703 if not Is_Directory (Dir) then
1704 Fail (Dir, " is not a directory");
1705 else
1706 Add_Lib_Search_Dir (Dir);
1707 end if;
1708 end;
1709
1710 else
1711 if Index = Last then
1712 Fail ("no directory specified after -D");
1713 end if;
1714
1715 Index := Index + 1;
1716
1717 declare
1718 Dir : constant String := Argument (Index);
1719 begin
1720 if not Is_Directory (Dir) then
1721 Fail (Dir, " is not a directory");
1722 else
1723 Add_Lib_Search_Dir (Dir);
1724 end if;
1725 end;
1726 end if;
1727
1728 when 'f' =>
1729 Force_Deletions := True;
1730
1731 when 'F' =>
1732 Full_Path_Name_For_Brief_Errors := True;
1733
1734 when 'h' =>
1735 Usage;
1736
1737 when 'i' =>
1738 if Arg'Length = 2 then
1739 Bad_Argument;
1740 end if;
1741
1742 Source_Index := 0;
1743
1744 for J in 3 .. Arg'Last loop
1745 if Arg (J) not in '0' .. '9' then
1746 Bad_Argument;
1747 end if;
1748
1749 Source_Index :=
1750 (20 * Source_Index) +
1751 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1752 end loop;
1753
1754 when 'I' =>
1755 if Arg = "-I-" then
1756 Opt.Look_In_Primary_Dir := False;
1757
1758 else
1759 if Arg'Length = 2 then
1760 Bad_Argument;
1761 end if;
1762
1763 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1764 end if;
1765
1766 when 'n' =>
1767 Do_Nothing := True;
1768
1769 when 'P' =>
1770 if Project_File_Name /= null then
1771 Fail ("multiple -P switches");
1772
1773 elsif Object_Directory_Path /= null then
1774 Fail ("-D and -P cannot be used simultaneously");
1775
1776 end if;
1777
1778 if Arg'Length > 2 then
1779 declare
1780 Prj : constant String := Arg (3 .. Arg'Last);
1781 begin
1782 if Prj'Length > 1 and then
1783 Prj (Prj'First) = '='
1784 then
1785 Project_File_Name :=
1786 new String'
1787 (Prj (Prj'First + 1 .. Prj'Last));
1788 else
1789 Project_File_Name := new String'(Prj);
1790 end if;
1791 end;
1792
1793 else
1794 if Index = Last then
1795 Fail ("no project specified after -P");
1796 end if;
1797
1798 Index := Index + 1;
1799 Project_File_Name := new String'(Argument (Index));
1800 end if;
1801
1802 when 'q' =>
1803 Quiet_Output := True;
1804
1805 when 'r' =>
1806 All_Projects := True;
1807
1808 when 'v' =>
1809 if Arg = "-v" then
1810 Verbose_Mode := True;
1811
1812 elsif Arg = "-vP0" then
1813 Current_Verbosity := Prj.Default;
1814
1815 elsif Arg = "-vP1" then
1816 Current_Verbosity := Prj.Medium;
1817
1818 elsif Arg = "-vP2" then
1819 Current_Verbosity := Prj.High;
1820
1821 else
1822 Bad_Argument;
1823 end if;
1824
1825 when 'X' =>
1826 if Arg'Length = 2 then
1827 Bad_Argument;
1828 end if;
1829
1830 declare
1831 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1832 Start : Positive := Ext_Asgn'First;
1833 Stop : Natural := Ext_Asgn'Last;
1834 Equal_Pos : Natural;
1835 OK : Boolean := True;
1836
1837 begin
1838 if Ext_Asgn (Start) = '"' then
1839 if Ext_Asgn (Stop) = '"' then
1840 Start := Start + 1;
1841 Stop := Stop - 1;
1842
1843 else
1844 OK := False;
1845 end if;
1846 end if;
1847
1848 Equal_Pos := Start;
1849
1850 while Equal_Pos <= Stop
1851 and then Ext_Asgn (Equal_Pos) /= '='
1852 loop
1853 Equal_Pos := Equal_Pos + 1;
1854 end loop;
1855
1856 if Equal_Pos = Start or else Equal_Pos > Stop then
1857 OK := False;
1858 end if;
1859
1860 if OK then
1861 Prj.Ext.Add
1862 (External_Name =>
1863 Ext_Asgn (Start .. Equal_Pos - 1),
1864 Value =>
1865 Ext_Asgn (Equal_Pos + 1 .. Stop));
1866
1867 else
1868 Fail
1869 ("illegal external assignment '",
1870 Ext_Asgn, "'");
1871 end if;
1872 end;
1873
1874 when others =>
1875 Bad_Argument;
1876 end case;
1877
1878 else
1879 Add_File (Arg, Source_Index);
1880 end if;
1881 end if;
1882 end;
1883
1884 Index := Index + 1;
1885 end loop;
1886 end Parse_Cmd_Line;
1887
1888 -----------------------
1889 -- Repinfo_File_Name --
1890 -----------------------
1891
1892 function Repinfo_File_Name (Source : File_Name_Type) return String is
1893 begin
1894 return Get_Name_String (Source) & Repinfo_Suffix;
1895 end Repinfo_File_Name;
1896
1897 --------------------
1898 -- Tree_File_Name --
1899 --------------------
1900
1901 function Tree_File_Name (Source : File_Name_Type) return String is
1902 Src : constant String := Get_Name_String (Source);
1903
1904 begin
1905 -- If the source name has an extension, then replace it with
1906 -- the tree suffix.
1907
1908 for Index in reverse Src'First + 1 .. Src'Last loop
1909 if Src (Index) = '.' then
1910 return Src (Src'First .. Index - 1) & Tree_Suffix;
1911 end if;
1912 end loop;
1913
1914 -- If there is no dot, or if it is the first character, just add the
1915 -- tree suffix.
1916
1917 return Src & Tree_Suffix;
1918 end Tree_File_Name;
1919
1920 ---------------------------
1921 -- Ultimate_Extension_Of --
1922 ---------------------------
1923
1924 function Ultimate_Extension_Of (Project : Project_Id) return Project_Id is
1925 Result : Project_Id := Project;
1926 Data : Project_Data;
1927
1928 begin
1929 if Project /= No_Project then
1930 loop
1931 Data := Project_Tree.Projects.Table (Result);
1932 exit when Data.Extended_By = No_Project;
1933 Result := Data.Extended_By;
1934 end loop;
1935 end if;
1936
1937 return Result;
1938 end Ultimate_Extension_Of;
1939
1940 -----------
1941 -- Usage --
1942 -----------
1943
1944 procedure Usage is
1945 begin
1946 if not Usage_Displayed then
1947 Usage_Displayed := True;
1948 Display_Copyright;
1949 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1950 New_Line;
1951
1952 Put_Line (" names is one or more file names from which " &
1953 "the .adb or .ads suffix may be omitted");
1954 Put_Line (" names may be omitted if -P<project> is specified");
1955 New_Line;
1956
1957 Put_Line (" -c Only delete compiler generated files");
1958 Put_Line (" -D dir Specify dir as the object library");
1959 Put_Line (" -f Force deletions of unwritable files");
1960 Put_Line (" -F Full project path name " &
1961 "in brief error messages");
1962 Put_Line (" -h Display this message");
1963 Put_Line (" -innn Index of unit in source for following names");
1964 Put_Line (" -n Nothing to do: only list files to delete");
1965 Put_Line (" -Pproj Use GNAT Project File proj");
1966 Put_Line (" -q Be quiet/terse");
1967 Put_Line (" -r Clean all projects recursively");
1968 Put_Line (" -v Verbose mode");
1969 Put_Line (" -vPx Specify verbosity when parsing " &
1970 "GNAT Project Files");
1971 Put_Line (" -Xnm=val Specify an external reference " &
1972 "for GNAT Project Files");
1973 New_Line;
1974
1975 Put_Line (" -aPdir Add directory dir to project search path");
1976 New_Line;
1977
1978 Put_Line (" -aOdir Specify ALI/object files search path");
1979 Put_Line (" -Idir Like -aOdir");
1980 Put_Line (" -I- Don't look for source/library files " &
1981 "in the default directory");
1982 New_Line;
1983 end if;
1984 end Usage;
1985
1986 end Clean;
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