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Mark ChangeLog
[official-gcc.git] / gcc / ada / clean.adb
blobc0f6e16ffd7c3bc16c35f3a8ef686f2d19a35a3d
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2005, 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 2, 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 COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
21 -- --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 -- --
25 ------------------------------------------------------------------------------
26
27 with Ada.Command_Line; use Ada.Command_Line;
28
29 with ALI; use ALI;
30 with Csets;
31 with Gnatvsn;
32 with Hostparm;
33 with Makeutl;
34 with MLib.Tgt; use MLib.Tgt;
35 with Namet; use Namet;
36 with Opt; use Opt;
37 with Osint; use Osint;
38 with Osint.M; use Osint.M;
39 with Prj; use Prj;
40 with Prj.Com;
41 with Prj.Env;
42 with Prj.Ext;
43 with Prj.Pars;
44 with Prj.Util; use Prj.Util;
45 with Snames;
46 with Table;
47 with Types; use Types;
48
49 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
50 with GNAT.IO; use GNAT.IO;
51 with GNAT.OS_Lib; use GNAT.OS_Lib;
52
53 package body Clean is
54
55 Initialized : Boolean := False;
56 -- Set to True by the first call to Initialize.
57 -- To avoid reinitialization of some packages.
58
59 -- Suffixes of various files
60
61 Assembly_Suffix : constant String := ".s";
62 ALI_Suffix : constant String := ".ali";
63 Tree_Suffix : constant String := ".adt";
64 Object_Suffix : constant String := Get_Object_Suffix.all;
65 Debug_Suffix : String := ".dg";
66 -- Changed to "_dg" for VMS in the body of the package
67
68 Repinfo_Suffix : String := ".rep";
69 -- Changed to "_rep" for VMS in the body of the package
70
71 B_Start : String := "b~";
72 -- Prefix of binder generated file.
73 -- Changed to "b$" for VMS in the body of the package.
74
75 Object_Directory_Path : String_Access := null;
76 -- The path name of the object directory, set with switch -D
77
78 Force_Deletions : Boolean := False;
79 -- Set to True by switch -f. When True, attempts to delete non writable
80 -- files will be done.
81
82 Do_Nothing : Boolean := False;
83 -- Set to True when switch -n is specified. When True, no file is deleted.
84 -- gnatclean only lists the files that would have been deleted if the
85 -- switch -n had not been specified.
86
87 File_Deleted : Boolean := False;
88 -- Set to True if at least one file has been deleted
89
90 Copyright_Displayed : Boolean := False;
91 Usage_Displayed : Boolean := False;
92
93 Project_File_Name : String_Access := null;
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 => 10,
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 => 10,
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.
171 -- Output one line when in verbose mode.
172
173 procedure Add_Source_Directories is
174 new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
175
176 procedure Add_Object_Dir (N : String);
177 -- Call Add_Lib_Search_Dir.
178 -- Output one line when in verbose mode.
179
180 procedure Add_Object_Directories is
181 new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
182
183 function ALI_File_Name (Source : Name_Id) return String;
184 -- Returns the name of the ALI file corresponding to Source
185
186 function Assembly_File_Name (Source : Name_Id) return String;
187 -- Returns the assembly file name corresponding to Source
188
189 procedure Clean_Archive (Project : Project_Id);
190 -- Delete a global archive or a fake library project archive and the
191 -- dependency file, if they exist.
192
193 procedure Clean_Directory (Dir : Name_Id);
194 -- Delete all regular files in a library directory or in a library
195 -- interface dir.
196
197 procedure Clean_Executables;
198 -- Do the cleaning work when no project file is specified
199
200 procedure Clean_Project (Project : Project_Id);
201 -- Do the cleaning work when a project file is specified.
202 -- This procedure calls itself recursively when there are several
203 -- project files in the tree rooted at the main project file and switch -r
204 -- has been specified.
205
206 function Debug_File_Name (Source : Name_Id) return String;
207 -- Name of the expanded source file corresponding to Source
208
209 procedure Delete (In_Directory : String; File : String);
210 -- Delete one file, or list the file name if switch -n is specified
211
212 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id);
213 -- Delete the binder generated file in directory Dir for Source, if they
214 -- exist: for Unix these are b~<source>.ads, b~<source>.adb,
215 -- b~<source>.ali and b~<source>.o.
216
217 procedure Display_Copyright;
218 -- Display the Copyright notice.
219 -- If called several times, display the Copyright notice only the first
220 -- time.
221
222 procedure Initialize;
223 -- Call the necessary package initializations
224
225 function Object_File_Name (Source : Name_Id) return String;
226 -- Returns the object file name corresponding to Source
227
228 procedure Parse_Cmd_Line;
229 -- Parse the command line
230
231 function Repinfo_File_Name (Source : Name_Id) return String;
232 -- Returns the repinfo file name corresponding to Source
233
234 function Tree_File_Name (Source : Name_Id) return String;
235 -- Returns the tree file name corresponding to Source
236
237 function In_Extension_Chain
238 (Of_Project : Project_Id;
239 Prj : Project_Id) return Boolean;
240 -- Returns True iff Prj is an extension of Of_Project or if Of_Project is
241 -- an extension of Prj.
242
243 procedure Usage;
244 -- Display the usage.
245 -- If called several times, the usage is displayed only the first time.
246
247 --------------------
248 -- Add_Object_Dir --
249 --------------------
250
251 procedure Add_Object_Dir (N : String) is
252 begin
253 Add_Lib_Search_Dir (N);
254
255 if Opt.Verbose_Mode then
256 Put ("Adding object directory """);
257 Put (N);
258 Put (""".");
259 New_Line;
260 end if;
261 end Add_Object_Dir;
262
263 --------------------
264 -- Add_Source_Dir --
265 --------------------
266
267 procedure Add_Source_Dir (N : String) is
268 begin
269 Add_Src_Search_Dir (N);
270
271 if Opt.Verbose_Mode then
272 Put ("Adding source directory """);
273 Put (N);
274 Put (""".");
275 New_Line;
276 end if;
277 end Add_Source_Dir;
278
279 -------------------
280 -- ALI_File_Name --
281 -------------------
282
283 function ALI_File_Name (Source : Name_Id) return String is
284 Src : constant String := Get_Name_String (Source);
285
286 begin
287 -- If the source name has an extension, then replace it with
288 -- the ALI suffix.
289
290 for Index in reverse Src'First + 1 .. Src'Last loop
291 if Src (Index) = '.' then
292 return Src (Src'First .. Index - 1) & ALI_Suffix;
293 end if;
294 end loop;
295
296 -- If there is no dot, or if it is the first character, just add the
297 -- ALI suffix.
298
299 return Src & ALI_Suffix;
300 end ALI_File_Name;
301
302 ------------------------
303 -- Assembly_File_Name --
304 ------------------------
305
306 function Assembly_File_Name (Source : Name_Id) return String is
307 Src : constant String := Get_Name_String (Source);
308
309 begin
310 -- If the source name has an extension, then replace it with
311 -- the assembly suffix.
312
313 for Index in reverse Src'First + 1 .. Src'Last loop
314 if Src (Index) = '.' then
315 return Src (Src'First .. Index - 1) & Assembly_Suffix;
316 end if;
317 end loop;
318
319 -- If there is no dot, or if it is the first character, just add the
320 -- assembly suffix.
321
322 return Src & Assembly_Suffix;
323 end Assembly_File_Name;
324
325 -------------------
326 -- Clean_Archive --
327 -------------------
328
329 procedure Clean_Archive (Project : Project_Id) is
330 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
331 Data : constant Project_Data := Projects.Table (Project);
332
333 Archive_Name : constant String :=
334 "lib" & Get_Name_String (Data.Name) & '.' & Archive_Ext;
335 -- The name of the archive file for this project
336
337 Archive_Dep_Name : constant String :=
338 "lib" & Get_Name_String (Data.Name) & ".deps";
339 -- The name of the archive dependency file for this project
340
341 Obj_Dir : constant String := Get_Name_String (Data.Object_Directory);
342
343 begin
344 Change_Dir (Obj_Dir);
345
346 if Is_Regular_File (Archive_Name) then
347 Delete (Obj_Dir, Archive_Name);
348 end if;
349
350 if Is_Regular_File (Archive_Dep_Name) then
351 Delete (Obj_Dir, Archive_Dep_Name);
352 end if;
353
354 Change_Dir (Current_Dir);
355 end Clean_Archive;
356
357 ---------------------
358 -- Clean_Directory --
359 ---------------------
360
361 procedure Clean_Directory (Dir : Name_Id) is
362 Directory : constant String := Get_Name_String (Dir);
363 Current : constant Dir_Name_Str := Get_Current_Dir;
364
365 Direc : Dir_Type;
366
367 Name : String (1 .. 200);
368 Last : Natural;
369
370 begin
371 Change_Dir (Directory);
372 Open (Direc, ".");
373
374 -- For each regular file in the directory, if switch -n has not been
375 -- specified, make it writable and delete the file.
376
377 loop
378 Read (Direc, Name, Last);
379 exit when Last = 0;
380
381 if Is_Regular_File (Name (1 .. Last)) then
382 if not Do_Nothing then
383 Set_Writable (Name (1 .. Last));
384 end if;
385
386 Delete (Directory, Name (1 .. Last));
387 end if;
388 end loop;
389
390 Close (Direc);
391
392 -- Restore the initial working directory
393
394 Change_Dir (Current);
395 end Clean_Directory;
396
397 -----------------------
398 -- Clean_Executables --
399 -----------------------
400
401 procedure Clean_Executables is
402 Main_Source_File : File_Name_Type;
403 -- Current main source
404
405 Main_Lib_File : File_Name_Type;
406 -- ALI file of the current main
407
408 Lib_File : File_Name_Type;
409 -- Current ALI file
410
411 Full_Lib_File : File_Name_Type;
412 -- Full name of the current ALI file
413
414 Text : Text_Buffer_Ptr;
415 The_ALI : ALI_Id;
416
417 begin
418 Init_Q;
419
420 -- It does not really matter if there is or not an object file
421 -- corresponding to an ALI file: if there is one, it will be deleted.
422
423 Opt.Check_Object_Consistency := False;
424
425 -- Proceed each executable one by one. Each source is marked as it is
426 -- processed, so common sources between executables will not be
427 -- processed several times.
428
429 for N_File in 1 .. Osint.Number_Of_Files loop
430 Main_Source_File := Next_Main_Source;
431 Main_Lib_File := Osint.Lib_File_Name
432 (Main_Source_File, Current_File_Index);
433 Insert_Q (Main_Lib_File);
434
435 while not Empty_Q loop
436 Sources.Set_Last (0);
437 Extract_From_Q (Lib_File);
438 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
439
440 -- If we have existing ALI file that is not read-only, process it
441
442 if Full_Lib_File /= No_File
443 and then not Is_Readonly_Library (Full_Lib_File)
444 then
445 Text := Read_Library_Info (Lib_File);
446
447 if Text /= null then
448 The_ALI :=
449 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
450 Free (Text);
451
452 -- If no error was produced while loading this ALI file,
453 -- insert into the queue all the unmarked withed sources.
454
455 if The_ALI /= No_ALI_Id then
456 for J in ALIs.Table (The_ALI).First_Unit ..
457 ALIs.Table (The_ALI).Last_Unit
458 loop
459 Sources.Increment_Last;
460 Sources.Table (Sources.Last) :=
461 ALI.Units.Table (J).Sfile;
462
463 for K in ALI.Units.Table (J).First_With ..
464 ALI.Units.Table (J).Last_With
465 loop
466 Insert_Q (Withs.Table (K).Afile);
467 end loop;
468 end loop;
469
470 -- Look for subunits and put them in the Sources table
471
472 for J in ALIs.Table (The_ALI).First_Sdep ..
473 ALIs.Table (The_ALI).Last_Sdep
474 loop
475 if Sdep.Table (J).Subunit_Name /= No_Name then
476 Sources.Increment_Last;
477 Sources.Table (Sources.Last) :=
478 Sdep.Table (J).Sfile;
479 end if;
480 end loop;
481 end if;
482 end if;
483
484 -- Now delete all existing files corresponding to this ALI file
485
486 declare
487 Obj_Dir : constant String :=
488 Dir_Name (Get_Name_String (Full_Lib_File));
489 Obj : constant String := Object_File_Name (Lib_File);
490 Adt : constant String := Tree_File_Name (Lib_File);
491 Asm : constant String := Assembly_File_Name (Lib_File);
492
493 begin
494 Delete (Obj_Dir, Get_Name_String (Lib_File));
495
496 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
497 Delete (Obj_Dir, Obj);
498 end if;
499
500 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
501 Delete (Obj_Dir, Adt);
502 end if;
503
504 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
505 Delete (Obj_Dir, Asm);
506 end if;
507
508 -- Delete expanded source files (.dg) and/or repinfo files
509 -- (.rep) if any
510
511 for J in 1 .. Sources.Last loop
512 declare
513 Deb : constant String :=
514 Debug_File_Name (Sources.Table (J));
515 Rep : constant String :=
516 Repinfo_File_Name (Sources.Table (J));
517
518 begin
519 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
520 Delete (Obj_Dir, Deb);
521 end if;
522
523 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
524 Delete (Obj_Dir, Rep);
525 end if;
526 end;
527 end loop;
528 end;
529 end if;
530 end loop;
531
532 -- Delete the executable, if it exists, and the binder generated
533 -- files, if any.
534
535 if not Compile_Only then
536 declare
537 Source : constant Name_Id := Strip_Suffix (Main_Lib_File);
538 Executable : constant String := Get_Name_String
539 (Executable_Name (Source));
540 begin
541 if Is_Regular_File (Executable) then
542 Delete ("", Executable);
543 end if;
544
545 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
546 end;
547 end if;
548 end loop;
549 end Clean_Executables;
550
551 -------------------
552 -- Clean_Project --
553 -------------------
554
555 procedure Clean_Project (Project : Project_Id) is
556 Main_Source_File : File_Name_Type;
557 -- Name of executable on the command line without directory info
558
559 Executable : Name_Id;
560 -- Name of the executable file
561
562 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
563 Data : constant Project_Data := Projects.Table (Project);
564 U_Data : Prj.Com.Unit_Data;
565 File_Name1 : Name_Id;
566 Index1 : Int;
567 File_Name2 : Name_Id;
568 Index2 : Int;
569 Lib_File : File_Name_Type;
570
571 Source_Id : Other_Source_Id;
572 Source : Other_Source;
573
574 Global_Archive : Boolean := False;
575
576 use Prj.Com;
577
578 begin
579 -- Check that we don't specify executable on the command line for
580 -- a main library project.
581
582 if Project = Main_Project
583 and then Osint.Number_Of_Files /= 0
584 and then Data.Library
585 then
586 Osint.Fail
587 ("Cannot specify executable(s) for a Library Project File");
588 end if;
589
590 if Verbose_Mode then
591 Put ("Cleaning project """);
592 Put (Get_Name_String (Data.Name));
593 Put_Line ("""");
594 end if;
595
596 -- Add project to the list of processed projects
597
598 Processed_Projects.Increment_Last;
599 Processed_Projects.Table (Processed_Projects.Last) := Project;
600
601 if Data.Object_Directory /= No_Name then
602 declare
603 Obj_Dir : constant String :=
604 Get_Name_String (Data.Object_Directory);
605
606 begin
607 Change_Dir (Obj_Dir);
608
609 -- First, deal with Ada
610
611 -- Look through the units to find those that are either immediate
612 -- sources or inherited sources of the project.
613
614 if Data.Languages (Ada_Language_Index) then
615 for Unit in 1 .. Prj.Com.Units.Last loop
616 U_Data := Prj.Com.Units.Table (Unit);
617 File_Name1 := No_Name;
618 File_Name2 := No_Name;
619
620 -- If either the spec or the body is a source of the
621 -- project, check for the corresponding ALI file in the
622 -- object directory.
623
624 if In_Extension_Chain
625 (U_Data.File_Names (Body_Part).Project, Project)
626 or else
627 In_Extension_Chain
628 (U_Data.File_Names (Specification).Project, Project)
629 then
630 File_Name1 := U_Data.File_Names (Body_Part).Name;
631 Index1 := U_Data.File_Names (Body_Part).Index;
632 File_Name2 := U_Data.File_Names (Specification).Name;
633 Index2 := U_Data.File_Names (Specification).Index;
634
635 -- If there is no body file name, then there may be only
636 -- a spec.
637
638 if File_Name1 = No_Name then
639 File_Name1 := File_Name2;
640 Index1 := Index2;
641 File_Name2 := No_Name;
642 Index2 := 0;
643 end if;
644 end if;
645
646 -- If there is either a spec or a body, look for files
647 -- in the object directory.
648
649 if File_Name1 /= No_Name then
650 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
651
652 declare
653 Asm : constant String := Assembly_File_Name (Lib_File);
654 ALI : constant String := ALI_File_Name (Lib_File);
655 Obj : constant String := Object_File_Name (Lib_File);
656 Adt : constant String := Tree_File_Name (Lib_File);
657 Deb : constant String :=
658 Debug_File_Name (File_Name1);
659 Rep : constant String :=
660 Repinfo_File_Name (File_Name1);
661 Del : Boolean := True;
662
663 begin
664 -- If the ALI file exists and is read-only, no file
665 -- is deleted.
666
667 if Is_Regular_File (ALI) then
668 if Is_Writable_File (ALI) then
669 Delete (Obj_Dir, ALI);
670
671 else
672 Del := False;
673
674 if Verbose_Mode then
675 Put ('"');
676 Put (Obj_Dir);
677
678 if Obj_Dir (Obj_Dir'Last) /=
679 Dir_Separator
680 then
681 Put (Dir_Separator);
682 end if;
683
684 Put (ALI);
685 Put_Line (""" is read-only");
686 end if;
687 end if;
688 end if;
689
690 if Del then
691
692 -- Object file
693
694 if Is_Regular_File (Obj) then
695 Delete (Obj_Dir, Obj);
696 end if;
697
698 -- Assembly file
699
700 if Is_Regular_File (Asm) then
701 Delete (Obj_Dir, Asm);
702 end if;
703
704 -- Tree file
705
706 if Is_Regular_File (Adt) then
707 Delete (Obj_Dir, Adt);
708 end if;
709
710 -- First expanded source file
711
712 if Is_Regular_File (Deb) then
713 Delete (Obj_Dir, Deb);
714 end if;
715
716 -- Repinfo file
717
718 if Is_Regular_File (Rep) then
719 Delete (Obj_Dir, Rep);
720 end if;
721
722 -- Second expanded source file
723
724 if File_Name2 /= No_Name then
725 declare
726 Deb : constant String :=
727 Debug_File_Name (File_Name2);
728 Rep : constant String :=
729 Repinfo_File_Name (File_Name2);
730 begin
731 if Is_Regular_File (Deb) then
732 Delete (Obj_Dir, Deb);
733 end if;
734
735 if Is_Regular_File (Rep) then
736 Delete (Obj_Dir, Rep);
737 end if;
738 end;
739 end if;
740 end if;
741 end;
742 end if;
743 end loop;
744 end if;
745
746 -- Check if a global archive and it dependency file could have
747 -- been created and, if they exist, delete them.
748
749 if Project = Main_Project and then not Data.Library then
750 Global_Archive := False;
751
752 for Proj in 1 .. Projects.Last loop
753 if Projects.Table (Proj).Other_Sources_Present then
754 Global_Archive := True;
755 exit;
756 end if;
757 end loop;
758
759 if Global_Archive then
760 Clean_Archive (Project);
761 end if;
762 end if;
763
764 if Data.Other_Sources_Present then
765
766 -- There is non-Ada code: delete the object files and
767 -- the dependency files if they exist.
768
769 Source_Id := Data.First_Other_Source;
770
771 while Source_Id /= No_Other_Source loop
772 Source := Other_Sources.Table (Source_Id);
773
774 if Is_Regular_File
775 (Get_Name_String (Source.Object_Name))
776 then
777 Delete (Obj_Dir, Get_Name_String (Source.Object_Name));
778 end if;
779
780 if Is_Regular_File (Get_Name_String (Source.Dep_Name)) then
781 Delete (Obj_Dir, Get_Name_String (Source.Dep_Name));
782 end if;
783
784 Source_Id := Source.Next;
785 end loop;
786
787 -- If it is a library with only non Ada sources, delete
788 -- the fake archive and the dependency file, if they exist.
789
790 if Data.Library
791 and then not Data.Languages (Ada_Language_Index)
792 then
793 Clean_Archive (Project);
794 end if;
795 end if;
796 end;
797 end if;
798
799 -- If this is a library project, clean the library directory, the
800 -- interface copy dir and, for a Stand-Alone Library, the binder
801 -- generated files of the library.
802
803 -- The directories are cleaned only if switch -c is not specified
804
805 if Data.Library then
806 if not Compile_Only then
807 Clean_Directory (Data.Library_Dir);
808
809 if Data.Library_Src_Dir /= No_Name
810 and then Data.Library_Src_Dir /= Data.Library_Dir
811 then
812 Clean_Directory (Data.Library_Src_Dir);
813 end if;
814 end if;
815
816 if Data.Standalone_Library and then
817 Data.Object_Directory /= No_Name
818 then
819 Delete_Binder_Generated_Files
820 (Get_Name_String (Data.Object_Directory), Data.Library_Name);
821 end if;
822 end if;
823
824 if Verbose_Mode then
825 New_Line;
826 end if;
827
828 -- If switch -r is specified, call Clean_Project recursively for the
829 -- imported projects and the project being extended.
830
831 if All_Projects then
832 declare
833 Imported : Project_List := Data.Imported_Projects;
834 Element : Project_Element;
835 Process : Boolean;
836
837 begin
838 -- For each imported project, call Clean_Project if the project
839 -- has not been processed already.
840
841 while Imported /= Empty_Project_List loop
842 Element := Project_Lists.Table (Imported);
843 Imported := Element.Next;
844 Process := True;
845
846 for
847 J in Processed_Projects.First .. Processed_Projects.Last
848 loop
849 if Element.Project = Processed_Projects.Table (J) then
850 Process := False;
851 exit;
852 end if;
853 end loop;
854
855 if Process then
856 Clean_Project (Element.Project);
857 end if;
858 end loop;
859
860 -- If this project extends another project, call Clean_Project for
861 -- the project being extended. It is guaranteed that it has not
862 -- called before, because no other project may import or extend
863 -- this project.
864
865 if Data.Extends /= No_Project then
866 Clean_Project (Data.Extends);
867 end if;
868 end;
869 end if;
870
871 -- For the main project, delete the executables and the binder
872 -- generated files.
873
874 -- The executables are deleted only if switch -c is not specified
875
876 if Project = Main_Project and then Data.Exec_Directory /= No_Name then
877 declare
878 Exec_Dir : constant String :=
879 Get_Name_String (Data.Exec_Directory);
880 begin
881 Change_Dir (Exec_Dir);
882
883 for N_File in 1 .. Osint.Number_Of_Files loop
884 Main_Source_File := Next_Main_Source;
885
886 if not Compile_Only then
887 Executable :=
888 Executable_Of
889 (Main_Project,
890 Main_Source_File,
891 Current_File_Index);
892
893 if Is_Regular_File (Get_Name_String (Executable)) then
894 Delete (Exec_Dir, Get_Name_String (Executable));
895 end if;
896 end if;
897
898 if Data.Object_Directory /= No_Name then
899 Delete_Binder_Generated_Files
900 (Get_Name_String
901 (Data.Object_Directory),
902 Strip_Suffix (Main_Source_File));
903 end if;
904 end loop;
905 end;
906 end if;
907
908 -- Change back to previous directory
909
910 Change_Dir (Current_Dir);
911 end Clean_Project;
912
913 ---------------------
914 -- Debug_File_Name --
915 ---------------------
916
917 function Debug_File_Name (Source : Name_Id) return String is
918 begin
919 return Get_Name_String (Source) & Debug_Suffix;
920 end Debug_File_Name;
921
922 ------------
923 -- Delete --
924 ------------
925
926 procedure Delete (In_Directory : String; File : String) is
927 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
928 Last : Natural := 0;
929 Success : Boolean;
930
931 begin
932 -- Indicate that at least one file is deleted or is to be deleted
933
934 File_Deleted := True;
935
936 -- Build the path name of the file to delete
937
938 Last := In_Directory'Length;
939 Full_Name (1 .. Last) := In_Directory;
940
941 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
942 Last := Last + 1;
943 Full_Name (Last) := Directory_Separator;
944 end if;
945
946 Full_Name (Last + 1 .. Last + File'Length) := File;
947 Last := Last + File'Length;
948
949 -- If switch -n was used, simply output the path name
950
951 if Do_Nothing then
952 Put_Line (Full_Name (1 .. Last));
953
954 -- Otherwise, delete the file if it is writable
955
956 else
957 if Force_Deletions
958 or else Is_Writable_File (Full_Name (1 .. Last))
959 then
960 Delete_File (Full_Name (1 .. Last), Success);
961 else
962 Success := False;
963 end if;
964
965 if Verbose_Mode or else not Quiet_Output then
966 if not Success then
967 Put ("Warning: """);
968 Put (Full_Name (1 .. Last));
969 Put_Line (""" could not be deleted");
970
971 else
972 Put ("""");
973 Put (Full_Name (1 .. Last));
974 Put_Line (""" has been deleted");
975 end if;
976 end if;
977 end if;
978 end Delete;
979
980 -----------------------------------
981 -- Delete_Binder_Generated_Files --
982 -----------------------------------
983
984 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id) is
985 Source_Name : constant String := Get_Name_String (Source);
986 Current : constant String := Get_Current_Dir;
987 Last : constant Positive := B_Start'Length + Source_Name'Length;
988 File_Name : String (1 .. Last + 4);
989
990 begin
991 Change_Dir (Dir);
992
993 -- Build the file name (before the extension)
994
995 File_Name (1 .. B_Start'Length) := B_Start;
996 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
997
998 -- Spec
999
1000 File_Name (Last + 1 .. Last + 4) := ".ads";
1001
1002 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1003 Delete (Dir, File_Name (1 .. Last + 4));
1004 end if;
1005
1006 -- Body
1007
1008 File_Name (Last + 1 .. Last + 4) := ".adb";
1009
1010 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1011 Delete (Dir, File_Name (1 .. Last + 4));
1012 end if;
1013
1014 -- ALI file
1015
1016 File_Name (Last + 1 .. Last + 4) := ".ali";
1017
1018 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1019 Delete (Dir, File_Name (1 .. Last + 4));
1020 end if;
1021
1022 -- Object file
1023
1024 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1025
1026 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1027 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1028 end if;
1029
1030 -- Change back to previous directory
1031
1032 Change_Dir (Current);
1033 end Delete_Binder_Generated_Files;
1034
1035 -----------------------
1036 -- Display_Copyright --
1037 -----------------------
1038
1039 procedure Display_Copyright is
1040 begin
1041 if not Copyright_Displayed then
1042 Copyright_Displayed := True;
1043 Put_Line ("GNATCLEAN " & Gnatvsn.Gnat_Version_String
1044 & " Copyright 2003-2005 Free Software Foundation, Inc.");
1045 end if;
1046 end Display_Copyright;
1047
1048 -------------
1049 -- Empty_Q --
1050 -------------
1051
1052 function Empty_Q return Boolean is
1053 begin
1054 return Q_Front >= Q.Last;
1055 end Empty_Q;
1056
1057 --------------------
1058 -- Extract_From_Q --
1059 --------------------
1060
1061 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1062 Lib : constant File_Name_Type := Q.Table (Q_Front);
1063
1064 begin
1065 Q_Front := Q_Front + 1;
1066 Lib_File := Lib;
1067 end Extract_From_Q;
1068
1069 ---------------
1070 -- Gnatclean --
1071 ---------------
1072
1073 procedure Gnatclean is
1074 begin
1075 -- Do the necessary initializations
1076
1077 Clean.Initialize;
1078
1079 -- Parse the command line, getting the switches and the executable names
1080
1081 Parse_Cmd_Line;
1082
1083 if Verbose_Mode then
1084 Display_Copyright;
1085 end if;
1086
1087 if Project_File_Name /= null then
1088
1089 -- A project file was specified by a -P switch
1090
1091 if Opt.Verbose_Mode then
1092 New_Line;
1093 Put ("Parsing Project File """);
1094 Put (Project_File_Name.all);
1095 Put_Line (""".");
1096 New_Line;
1097 end if;
1098
1099 -- Set the project parsing verbosity to whatever was specified
1100 -- by a possible -vP switch.
1101
1102 Prj.Pars.Set_Verbosity (To => Prj.Com.Current_Verbosity);
1103
1104 -- Parse the project file. If there is an error, Main_Project
1105 -- will still be No_Project.
1106
1107 Prj.Pars.Parse
1108 (Project => Main_Project,
1109 Project_File_Name => Project_File_Name.all,
1110 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1111
1112 if Main_Project = No_Project then
1113 Fail ("""" & Project_File_Name.all & """ processing failed");
1114 end if;
1115
1116 if Opt.Verbose_Mode then
1117 New_Line;
1118 Put ("Parsing of Project File """);
1119 Put (Project_File_Name.all);
1120 Put (""" is finished.");
1121 New_Line;
1122 end if;
1123
1124 -- We add the source directories and the object directories
1125 -- to the search paths.
1126
1127 Add_Source_Directories (Main_Project);
1128 Add_Object_Directories (Main_Project);
1129
1130 end if;
1131
1132 Osint.Add_Default_Search_Dirs;
1133
1134 -- If a project file was specified, but no executable name, put all
1135 -- the mains of the project file (if any) as if there were on the
1136 -- command line.
1137
1138 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1139 declare
1140 Value : String_List_Id := Projects.Table (Main_Project).Mains;
1141 Main : String_Element;
1142 begin
1143 while Value /= Prj.Nil_String loop
1144 Main := String_Elements.Table (Value);
1145 Osint.Add_File
1146 (File_Name => Get_Name_String (Main.Value),
1147 Index => Main.Index);
1148 Value := Main.Next;
1149 end loop;
1150 end;
1151 end if;
1152
1153 -- If neither a project file nor an executable were specified,
1154 -- output the usage and exit.
1155
1156 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1157 Usage;
1158 return;
1159 end if;
1160
1161 if Verbose_Mode then
1162 New_Line;
1163 end if;
1164
1165 if Main_Project /= No_Project then
1166
1167 -- If a project file has been specified, call Clean_Project with the
1168 -- project id of this project file, after resetting the list of
1169 -- processed projects.
1170
1171 Processed_Projects.Init;
1172 Clean_Project (Main_Project);
1173
1174 else
1175 -- If no project file has been specified, the work is done in
1176 -- Clean_Executables.
1177
1178 Clean_Executables;
1179 end if;
1180
1181 -- In verbose mode, if Delete has not been called, indicate that
1182 -- no file needs to be deleted.
1183
1184 if Verbose_Mode and (not File_Deleted) then
1185 New_Line;
1186
1187 if Do_Nothing then
1188 Put_Line ("No file needs to be deleted");
1189 else
1190 Put_Line ("No file has been deleted");
1191 end if;
1192 end if;
1193 end Gnatclean;
1194
1195 ------------------------
1196 -- In_Extension_Chain --
1197 ------------------------
1198
1199 function In_Extension_Chain
1200 (Of_Project : Project_Id;
1201 Prj : Project_Id) return Boolean
1202 is
1203 Data : Project_Data;
1204
1205 begin
1206 if Prj = No_Project or else Of_Project = No_Project then
1207 return False;
1208 end if;
1209
1210 if Of_Project = Prj then
1211 return True;
1212 end if;
1213
1214 Data := Projects.Table (Of_Project);
1215
1216 while Data.Extends /= No_Project loop
1217 if Data.Extends = Prj then
1218 return True;
1219 end if;
1220
1221 Data := Projects.Table (Data.Extends);
1222 end loop;
1223
1224 Data := Projects.Table (Prj);
1225
1226 while Data.Extends /= No_Project loop
1227 if Data.Extends = Of_Project then
1228 return True;
1229 end if;
1230
1231 Data := Projects.Table (Data.Extends);
1232 end loop;
1233
1234 return False;
1235 end In_Extension_Chain;
1236
1237 ------------
1238 -- Init_Q --
1239 ------------
1240
1241 procedure Init_Q is
1242 begin
1243 Q_Front := Q.First;
1244 Q.Set_Last (Q.First);
1245 end Init_Q;
1246
1247 ----------------
1248 -- Initialize --
1249 ----------------
1250
1251 procedure Initialize is
1252 begin
1253 if not Initialized then
1254 Initialized := True;
1255
1256 -- Initialize some packages
1257
1258 Csets.Initialize;
1259 Namet.Initialize;
1260 Snames.Initialize;
1261 Prj.Initialize;
1262 end if;
1263
1264 -- Reset global variables
1265
1266 Free (Object_Directory_Path);
1267 Do_Nothing := False;
1268 File_Deleted := False;
1269 Copyright_Displayed := False;
1270 Usage_Displayed := False;
1271 Free (Project_File_Name);
1272 Main_Project := Prj.No_Project;
1273 All_Projects := False;
1274 end Initialize;
1275
1276 --------------
1277 -- Insert_Q --
1278 --------------
1279
1280 procedure Insert_Q (Lib_File : File_Name_Type) is
1281 begin
1282 -- Do not insert an empty name or an already marked source
1283
1284 if Lib_File /= No_Name and then not Makeutl.Is_Marked (Lib_File) then
1285 Q.Table (Q.Last) := Lib_File;
1286 Q.Increment_Last;
1287
1288 -- Mark the source that has been just added to the Q
1289
1290 Makeutl.Mark (Lib_File);
1291 end if;
1292 end Insert_Q;
1293
1294 ----------------------
1295 -- Object_File_Name --
1296 ----------------------
1297
1298 function Object_File_Name (Source : Name_Id) return String is
1299 Src : constant String := Get_Name_String (Source);
1300
1301 begin
1302 -- If the source name has an extension, then replace it with
1303 -- the Object suffix.
1304
1305 for Index in reverse Src'First + 1 .. Src'Last loop
1306 if Src (Index) = '.' then
1307 return Src (Src'First .. Index - 1) & Object_Suffix;
1308 end if;
1309 end loop;
1310
1311 -- If there is no dot, or if it is the first character, just add the
1312 -- ALI suffix.
1313
1314 return Src & Object_Suffix;
1315 end Object_File_Name;
1316
1317 --------------------
1318 -- Parse_Cmd_Line --
1319 --------------------
1320
1321 procedure Parse_Cmd_Line is
1322 Source_Index : Int := 0;
1323 Index : Positive := 1;
1324 Last : constant Natural := Argument_Count;
1325
1326 begin
1327 while Index <= Last loop
1328 declare
1329 Arg : constant String := Argument (Index);
1330
1331 procedure Bad_Argument;
1332 -- Signal bad argument
1333
1334 ------------------
1335 -- Bad_Argument --
1336 ------------------
1337
1338 procedure Bad_Argument is
1339 begin
1340 Fail ("invalid argument """, Arg, """");
1341 end Bad_Argument;
1342
1343 begin
1344 if Arg'Length /= 0 then
1345 if Arg (1) = '-' then
1346 if Arg'Length = 1 then
1347 Bad_Argument;
1348 end if;
1349
1350 case Arg (2) is
1351 when 'a' =>
1352 if Arg'Length < 4 or else Arg (3) /= 'O' then
1353 Bad_Argument;
1354 end if;
1355
1356 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1357
1358 when 'c' =>
1359 Compile_Only := True;
1360
1361 when 'D' =>
1362 if Object_Directory_Path /= null then
1363 Fail ("duplicate -D switch");
1364
1365 elsif Project_File_Name /= null then
1366 Fail ("-P and -D cannot be used simultaneously");
1367 end if;
1368
1369 if Arg'Length > 2 then
1370 declare
1371 Dir : constant String := Arg (3 .. Arg'Last);
1372 begin
1373 if not Is_Directory (Dir) then
1374 Fail (Dir, " is not a directory");
1375 else
1376 Add_Lib_Search_Dir (Dir);
1377 end if;
1378 end;
1379
1380 else
1381 if Index = Last then
1382 Fail ("no directory specified after -D");
1383 end if;
1384
1385 Index := Index + 1;
1386
1387 declare
1388 Dir : constant String := Argument (Index);
1389 begin
1390 if not Is_Directory (Dir) then
1391 Fail (Dir, " is not a directory");
1392 else
1393 Add_Lib_Search_Dir (Dir);
1394 end if;
1395 end;
1396 end if;
1397
1398 when 'f' =>
1399 Force_Deletions := True;
1400
1401 when 'F' =>
1402 Full_Path_Name_For_Brief_Errors := True;
1403
1404 when 'h' =>
1405 Usage;
1406
1407 when 'i' =>
1408 if Arg'Length = 2 then
1409 Bad_Argument;
1410 end if;
1411
1412 Source_Index := 0;
1413
1414 for J in 3 .. Arg'Last loop
1415 if Arg (J) not in '0' .. '9' then
1416 Bad_Argument;
1417 end if;
1418
1419 Source_Index :=
1420 (20 * Source_Index) +
1421 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1422 end loop;
1423
1424 when 'I' =>
1425 if Arg = "-I-" then
1426 Opt.Look_In_Primary_Dir := False;
1427
1428 else
1429 if Arg'Length = 2 then
1430 Bad_Argument;
1431 end if;
1432
1433 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1434 end if;
1435
1436 when 'n' =>
1437 Do_Nothing := True;
1438
1439 when 'P' =>
1440 if Project_File_Name /= null then
1441 Fail ("multiple -P switches");
1442
1443 elsif Object_Directory_Path /= null then
1444 Fail ("-D and -P cannot be used simultaneously");
1445
1446 end if;
1447
1448 if Arg'Length > 2 then
1449 declare
1450 Prj : constant String := Arg (3 .. Arg'Last);
1451 begin
1452 if Prj'Length > 1 and then
1453 Prj (Prj'First) = '='
1454 then
1455 Project_File_Name :=
1456 new String'
1457 (Prj (Prj'First + 1 .. Prj'Last));
1458 else
1459 Project_File_Name := new String'(Prj);
1460 end if;
1461 end;
1462
1463 else
1464 if Index = Last then
1465 Fail ("no project specified after -P");
1466 end if;
1467
1468 Index := Index + 1;
1469 Project_File_Name := new String'(Argument (Index));
1470 end if;
1471
1472 when 'q' =>
1473 Quiet_Output := True;
1474
1475 when 'r' =>
1476 All_Projects := True;
1477
1478 when 'v' =>
1479 if Arg = "-v" then
1480 Verbose_Mode := True;
1481
1482 elsif Arg = "-vP0" then
1483 Prj.Com.Current_Verbosity := Prj.Default;
1484
1485 elsif Arg = "-vP1" then
1486 Prj.Com.Current_Verbosity := Prj.Medium;
1487
1488 elsif Arg = "-vP2" then
1489 Prj.Com.Current_Verbosity := Prj.High;
1490
1491 else
1492 Bad_Argument;
1493 end if;
1494
1495 when 'X' =>
1496 if Arg'Length = 2 then
1497 Bad_Argument;
1498 end if;
1499
1500 declare
1501 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1502 Start : Positive := Ext_Asgn'First;
1503 Stop : Natural := Ext_Asgn'Last;
1504 Equal_Pos : Natural;
1505 OK : Boolean := True;
1506
1507 begin
1508 if Ext_Asgn (Start) = '"' then
1509 if Ext_Asgn (Stop) = '"' then
1510 Start := Start + 1;
1511 Stop := Stop - 1;
1512
1513 else
1514 OK := False;
1515 end if;
1516 end if;
1517
1518 Equal_Pos := Start;
1519
1520 while Equal_Pos <= Stop
1521 and then Ext_Asgn (Equal_Pos) /= '='
1522 loop
1523 Equal_Pos := Equal_Pos + 1;
1524 end loop;
1525
1526 if Equal_Pos = Start or else Equal_Pos > Stop then
1527 OK := False;
1528 end if;
1529
1530 if OK then
1531 Prj.Ext.Add
1532 (External_Name =>
1533 Ext_Asgn (Start .. Equal_Pos - 1),
1534 Value =>
1535 Ext_Asgn (Equal_Pos + 1 .. Stop));
1536
1537 else
1538 Fail
1539 ("illegal external assignment '",
1540 Ext_Asgn, "'");
1541 end if;
1542 end;
1543
1544 when others =>
1545 Bad_Argument;
1546 end case;
1547
1548 else
1549 Add_File (Arg, Source_Index);
1550 end if;
1551 end if;
1552 end;
1553
1554 Index := Index + 1;
1555 end loop;
1556 end Parse_Cmd_Line;
1557
1558 -----------------------
1559 -- Repinfo_File_Name --
1560 -----------------------
1561
1562 function Repinfo_File_Name (Source : Name_Id) return String is
1563 begin
1564 return Get_Name_String (Source) & Repinfo_Suffix;
1565 end Repinfo_File_Name;
1566
1567 --------------------
1568 -- Tree_File_Name --
1569 --------------------
1570
1571 function Tree_File_Name (Source : Name_Id) return String is
1572 Src : constant String := Get_Name_String (Source);
1573
1574 begin
1575 -- If the source name has an extension, then replace it with
1576 -- the tree suffix.
1577
1578 for Index in reverse Src'First + 1 .. Src'Last loop
1579 if Src (Index) = '.' then
1580 return Src (Src'First .. Index - 1) & Tree_Suffix;
1581 end if;
1582 end loop;
1583
1584 -- If there is no dot, or if it is the first character, just add the
1585 -- tree suffix.
1586
1587 return Src & Tree_Suffix;
1588 end Tree_File_Name;
1589
1590 -----------
1591 -- Usage --
1592 -----------
1593
1594 procedure Usage is
1595 begin
1596 if not Usage_Displayed then
1597 Usage_Displayed := True;
1598 Display_Copyright;
1599 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1600 New_Line;
1601
1602 Put_Line (" names is one or more file names from which " &
1603 "the .adb or .ads suffix may be omitted");
1604 Put_Line (" names may be omitted if -P<project> is specified");
1605 New_Line;
1606
1607 Put_Line (" -c Only delete compiler generated files");
1608 Put_Line (" -D dir Specify dir as the object library");
1609 Put_Line (" -f Force deletions of unwritable files");
1610 Put_Line (" -F Full project path name " &
1611 "in brief error messages");
1612 Put_Line (" -h Display this message");
1613 Put_Line (" -innn Index of unit in source for following names");
1614 Put_Line (" -n Nothing to do: only list files to delete");
1615 Put_Line (" -Pproj Use GNAT Project File proj");
1616 Put_Line (" -q Be quiet/terse");
1617 Put_Line (" -r Clean all projects recursively");
1618 Put_Line (" -v Verbose mode");
1619 Put_Line (" -vPx Specify verbosity when parsing " &
1620 "GNAT Project Files");
1621 Put_Line (" -Xnm=val Specify an external reference " &
1622 "for GNAT Project Files");
1623 New_Line;
1624
1625 Put_Line (" -aOdir Specify ALI/object files search path");
1626 Put_Line (" -Idir Like -aOdir");
1627 Put_Line (" -I- Don't look for source/library files " &
1628 "in the default directory");
1629 New_Line;
1630 end if;
1631 end Usage;
1632
1633 begin
1634 if Hostparm.OpenVMS then
1635 Debug_Suffix (Debug_Suffix'First) := '_';
1636 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1637 B_Start (B_Start'Last) := '$';
1638 end if;
1639 end Clean;
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