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sh.c (shift_insns_rtx, [...]): Truncate shift counts to avoid out-of-bounds array...
[official-gcc.git] / gcc / ada / clean.adb
blob5df43cd1a049bd0be485ba0d9dedbd4ca57af820
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2008, 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.Object_Directory.Display_Name);
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_Information then
555 declare
556 Directory : constant String :=
557 Get_Name_String (Data.Library_Src_Dir.Display_Name);
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
667 (Data.Library_Dir.Display_Name);
668 Lib_ALI_Directory : constant String :=
669 Get_Name_String
670 (Data.Library_ALI_Dir.Display_Name);
671
672 begin
673 Canonical_Case_File_Name (Archive_Name);
674 Canonical_Case_File_Name (DLL_Name);
675
676 Change_Dir (Lib_Directory);
677 Open (Direc, ".");
678
679 -- For each regular file in the directory, if switch -n has not
680 -- been specified, make it writable and delete the file if it is
681 -- the library file.
682
683 loop
684 Read (Direc, Name, Last);
685 exit when Last = 0;
686
687 declare
688 Filename : constant String := Name (1 .. Last);
689 begin
690 if Is_Regular_File (Filename)
691 or else Is_Symbolic_Link (Filename)
692 then
693 Canonical_Case_File_Name (Name (1 .. Last));
694 Delete_File := False;
695
696 if (Data.Library_Kind = Static
697 and then Name (1 .. Last) = Archive_Name)
698 or else
699 ((Data.Library_Kind = Dynamic or else
700 Data.Library_Kind = Relocatable)
701 and then
702 (Name (1 .. Last) = DLL_Name
703 or else Name (1 .. Last) = Minor.all
704 or else Name (1 .. Last) = Major.all))
705 then
706 if not Do_Nothing then
707 Set_Writable (Filename);
708 end if;
709
710 Delete (Lib_Directory, Filename);
711 end if;
712 end if;
713 end;
714 end loop;
715
716 Close (Direc);
717
718 Change_Dir (Lib_ALI_Directory);
719 Open (Direc, ".");
720
721 -- For each regular file in the directory, if switch -n has not
722 -- been specified, make it writable and delete the file if it is
723 -- any ALI file of a source of the project.
724
725 loop
726 Read (Direc, Name, Last);
727 exit when Last = 0;
728
729 declare
730 Filename : constant String := Name (1 .. Last);
731 begin
732 if Is_Regular_File (Filename) then
733 Canonical_Case_File_Name (Name (1 .. Last));
734 Delete_File := False;
735
736 if Last > 4 and then Name (Last - 3 .. Last) = ".ali" then
737 declare
738 Unit : Unit_Data;
739 begin
740 -- Compare with ALI file names of the project
741
742 for
743 Index in 1 .. Unit_Table.Last (Project_Tree.Units)
744 loop
745 Unit := Project_Tree.Units.Table (Index);
746
747 if Unit.File_Names (Body_Part).Project /=
748 No_Project
749 then
750 if Ultimate_Extension_Of
751 (Unit.File_Names (Body_Part).Project) =
752 Project
753 then
754 Get_Name_String
755 (Unit.File_Names (Body_Part).Name);
756 Name_Len := Name_Len -
757 File_Extension
758 (Name (1 .. Name_Len))'Length;
759 if Name_Buffer (1 .. Name_Len) =
760 Name (1 .. Last - 4)
761 then
762 Delete_File := True;
763 exit;
764 end if;
765 end if;
766
767 elsif Ultimate_Extension_Of
768 (Unit.File_Names (Specification).Project) =
769 Project
770 then
771 Get_Name_String
772 (Unit.File_Names (Specification).Name);
773 Name_Len := Name_Len -
774 File_Extension
775 (Name (1 .. Name_Len))'Length;
776
777 if Name_Buffer (1 .. Name_Len) =
778 Name (1 .. Last - 4)
779 then
780 Delete_File := True;
781 exit;
782 end if;
783 end if;
784 end loop;
785 end;
786 end if;
787
788 if Delete_File then
789 if not Do_Nothing then
790 Set_Writable (Filename);
791 end if;
792
793 Delete (Lib_ALI_Directory, Filename);
794 end if;
795 end if;
796 end;
797 end loop;
798
799 Close (Direc);
800
801 -- Restore the initial working directory
802
803 Change_Dir (Current);
804 end;
805 end if;
806 end Clean_Library_Directory;
807
808 -------------------
809 -- Clean_Project --
810 -------------------
811
812 procedure Clean_Project (Project : Project_Id) is
813 Main_Source_File : File_Name_Type;
814 -- Name of executable on the command line without directory info
815
816 Executable : File_Name_Type;
817 -- Name of the executable file
818
819 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
820 Data : constant Project_Data :=
821 Project_Tree.Projects.Table (Project);
822 U_Data : Unit_Data;
823 File_Name1 : File_Name_Type;
824 Index1 : Int;
825 File_Name2 : File_Name_Type;
826 Index2 : Int;
827 Lib_File : File_Name_Type;
828
829 Global_Archive : Boolean := False;
830
831 begin
832 -- Check that we don't specify executable on the command line for
833 -- a main library project.
834
835 if Project = Main_Project
836 and then Osint.Number_Of_Files /= 0
837 and then Data.Library
838 then
839 Osint.Fail
840 ("Cannot specify executable(s) for a Library Project File");
841 end if;
842
843 -- Nothing to clean in an externally built project
844
845 if Data.Externally_Built then
846 if Verbose_Mode then
847 Put ("Nothing to do to clean externally built project """);
848 Put (Get_Name_String (Data.Name));
849 Put_Line ("""");
850 end if;
851
852 else
853 if Verbose_Mode then
854 Put ("Cleaning project """);
855 Put (Get_Name_String (Data.Name));
856 Put_Line ("""");
857 end if;
858
859 -- Add project to the list of processed projects
860
861 Processed_Projects.Increment_Last;
862 Processed_Projects.Table (Processed_Projects.Last) := Project;
863
864 if Data.Object_Directory /= No_Path_Information then
865 declare
866 Obj_Dir : constant String :=
867 Get_Name_String
868 (Data.Object_Directory.Display_Name);
869
870 begin
871 Change_Dir (Obj_Dir);
872
873 -- First, deal with Ada
874
875 -- Look through the units to find those that are either
876 -- immediate sources or inherited sources of the project.
877 -- Extending projects may have no language specified, if
878 -- Source_Dirs or Source_Files is specified as an empty list,
879 -- so always look for Ada units in extending projects.
880
881 if Data.Ada_Sources_Present
882 or else Data.Extends /= No_Project
883 then
884 for Unit in Unit_Table.First ..
885 Unit_Table.Last (Project_Tree.Units)
886 loop
887 U_Data := Project_Tree.Units.Table (Unit);
888 File_Name1 := No_File;
889 File_Name2 := No_File;
890
891 -- If either the spec or the body is a source of the
892 -- project, check for the corresponding ALI file in the
893 -- object directory.
894
895 if In_Extension_Chain
896 (U_Data.File_Names (Body_Part).Project, Project)
897 or else
898 In_Extension_Chain
899 (U_Data.File_Names (Specification).Project, Project)
900 then
901 File_Name1 := U_Data.File_Names (Body_Part).Name;
902 Index1 := U_Data.File_Names (Body_Part).Index;
903 File_Name2 := U_Data.File_Names (Specification).Name;
904 Index2 := U_Data.File_Names (Specification).Index;
905
906 -- If there is no body file name, then there may be
907 -- only a spec.
908
909 if File_Name1 = No_File then
910 File_Name1 := File_Name2;
911 Index1 := Index2;
912 File_Name2 := No_File;
913 Index2 := 0;
914 end if;
915 end if;
916
917 -- If there is either a spec or a body, look for files
918 -- in the object directory.
919
920 if File_Name1 /= No_File then
921 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
922
923 declare
924 Asm : constant String :=
925 Assembly_File_Name (Lib_File);
926 ALI : constant String :=
927 ALI_File_Name (Lib_File);
928 Obj : constant String :=
929 Object_File_Name (Lib_File);
930 Adt : constant String :=
931 Tree_File_Name (Lib_File);
932 Deb : constant String :=
933 Debug_File_Name (File_Name1);
934 Rep : constant String :=
935 Repinfo_File_Name (File_Name1);
936 Del : Boolean := True;
937
938 begin
939 -- If the ALI file exists and is read-only, no file
940 -- is deleted.
941
942 if Is_Regular_File (ALI) then
943 if Is_Writable_File (ALI) then
944 Delete (Obj_Dir, ALI);
945
946 else
947 Del := False;
948
949 if Verbose_Mode then
950 Put ('"');
951 Put (Obj_Dir);
952
953 if Obj_Dir (Obj_Dir'Last) /=
954 Dir_Separator
955 then
956 Put (Dir_Separator);
957 end if;
958
959 Put (ALI);
960 Put_Line (""" is read-only");
961 end if;
962 end if;
963 end if;
964
965 if Del then
966
967 -- Object file
968
969 if Is_Regular_File (Obj) then
970 Delete (Obj_Dir, Obj);
971 end if;
972
973 -- Assembly file
974
975 if Is_Regular_File (Asm) then
976 Delete (Obj_Dir, Asm);
977 end if;
978
979 -- Tree file
980
981 if Is_Regular_File (Adt) then
982 Delete (Obj_Dir, Adt);
983 end if;
984
985 -- First expanded source file
986
987 if Is_Regular_File (Deb) then
988 Delete (Obj_Dir, Deb);
989 end if;
990
991 -- Repinfo file
992
993 if Is_Regular_File (Rep) then
994 Delete (Obj_Dir, Rep);
995 end if;
996
997 -- Second expanded source file
998
999 if File_Name2 /= No_File then
1000 declare
1001 Deb : constant String :=
1002 Debug_File_Name (File_Name2);
1003 Rep : constant String :=
1004 Repinfo_File_Name (File_Name2);
1005
1006 begin
1007 if Is_Regular_File (Deb) then
1008 Delete (Obj_Dir, Deb);
1009 end if;
1010
1011 if Is_Regular_File (Rep) then
1012 Delete (Obj_Dir, Rep);
1013 end if;
1014 end;
1015 end if;
1016 end if;
1017 end;
1018 end if;
1019 end loop;
1020 end if;
1021
1022 -- Check if a global archive and it dependency file could have
1023 -- been created and, if they exist, delete them.
1024
1025 if Project = Main_Project and then not Data.Library then
1026 Global_Archive := False;
1027
1028 for Proj in Project_Table.First ..
1029 Project_Table.Last (Project_Tree.Projects)
1030 loop
1031 if Project_Tree.Projects.Table
1032 (Proj).Other_Sources_Present
1033 then
1034 Global_Archive := True;
1035 exit;
1036 end if;
1037 end loop;
1038
1039 if Global_Archive then
1040 Clean_Archive (Project, Global => True);
1041 end if;
1042 end if;
1043
1044 end;
1045 end if;
1046
1047 -- If this is a library project, clean the library directory, the
1048 -- interface copy dir and, for a Stand-Alone Library, the binder
1049 -- generated files of the library.
1050
1051 -- The directories are cleaned only if switch -c is not specified
1052
1053 if Data.Library then
1054 if not Compile_Only then
1055 Clean_Library_Directory (Project);
1056
1057 if Data.Library_Src_Dir /= No_Path_Information then
1058 Clean_Interface_Copy_Directory (Project);
1059 end if;
1060 end if;
1061
1062 if Data.Standalone_Library and then
1063 Data.Object_Directory /= No_Path_Information
1064 then
1065 Delete_Binder_Generated_Files
1066 (Get_Name_String (Data.Object_Directory.Display_Name),
1067 File_Name_Type (Data.Library_Name));
1068 end if;
1069 end if;
1070
1071 if Verbose_Mode then
1072 New_Line;
1073 end if;
1074 end if;
1075
1076 -- If switch -r is specified, call Clean_Project recursively for the
1077 -- imported projects and the project being extended.
1078
1079 if All_Projects then
1080 declare
1081 Imported : Project_List := Data.Imported_Projects;
1082 Element : Project_Element;
1083 Process : Boolean;
1084
1085 begin
1086 -- For each imported project, call Clean_Project if the project
1087 -- has not been processed already.
1088
1089 while Imported /= Empty_Project_List loop
1090 Element := Project_Tree.Project_Lists.Table (Imported);
1091 Imported := Element.Next;
1092 Process := True;
1093
1094 for
1095 J in Processed_Projects.First .. Processed_Projects.Last
1096 loop
1097 if Element.Project = Processed_Projects.Table (J) then
1098 Process := False;
1099 exit;
1100 end if;
1101 end loop;
1102
1103 if Process then
1104 Clean_Project (Element.Project);
1105 end if;
1106 end loop;
1107
1108 -- If this project extends another project, call Clean_Project for
1109 -- the project being extended. It is guaranteed that it has not
1110 -- called before, because no other project may import or extend
1111 -- this project.
1112
1113 if Data.Extends /= No_Project then
1114 Clean_Project (Data.Extends);
1115 end if;
1116 end;
1117 end if;
1118
1119 -- For the main project, delete the executables and the binder
1120 -- generated files.
1121
1122 -- The executables are deleted only if switch -c is not specified
1123
1124 if Project = Main_Project
1125 and then Data.Exec_Directory /= No_Path_Information
1126 then
1127 declare
1128 Exec_Dir : constant String :=
1129 Get_Name_String (Data.Exec_Directory.Display_Name);
1130
1131 begin
1132 Change_Dir (Exec_Dir);
1133
1134 for N_File in 1 .. Osint.Number_Of_Files loop
1135 Main_Source_File := Next_Main_Source;
1136
1137 if not Compile_Only then
1138 Executable :=
1139 Executable_Of
1140 (Main_Project,
1141 Project_Tree,
1142 Main_Source_File,
1143 Current_File_Index);
1144
1145 declare
1146 Exec_File_Name : constant String :=
1147 Get_Name_String (Executable);
1148
1149 begin
1150 if Is_Absolute_Path (Name => Exec_File_Name) then
1151 if Is_Regular_File (Exec_File_Name) then
1152 Delete ("", Exec_File_Name);
1153 end if;
1154
1155 else
1156 if Is_Regular_File (Exec_File_Name) then
1157 Delete (Exec_Dir, Exec_File_Name);
1158 end if;
1159 end if;
1160 end;
1161 end if;
1162
1163 if Data.Object_Directory /= No_Path_Information then
1164 Delete_Binder_Generated_Files
1165 (Get_Name_String (Data.Object_Directory.Display_Name),
1166 Strip_Suffix (Main_Source_File));
1167 end if;
1168 end loop;
1169 end;
1170 end if;
1171
1172 -- Change back to previous directory
1173
1174 Change_Dir (Current_Dir);
1175 end Clean_Project;
1176
1177 ---------------------
1178 -- Debug_File_Name --
1179 ---------------------
1180
1181 function Debug_File_Name (Source : File_Name_Type) return String is
1182 begin
1183 return Get_Name_String (Source) & Debug_Suffix;
1184 end Debug_File_Name;
1185
1186 ------------
1187 -- Delete --
1188 ------------
1189
1190 procedure Delete (In_Directory : String; File : String) is
1191 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
1192 Last : Natural := 0;
1193 Success : Boolean;
1194
1195 begin
1196 -- Indicate that at least one file is deleted or is to be deleted
1197
1198 File_Deleted := True;
1199
1200 -- Build the path name of the file to delete
1201
1202 Last := In_Directory'Length;
1203 Full_Name (1 .. Last) := In_Directory;
1204
1205 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
1206 Last := Last + 1;
1207 Full_Name (Last) := Directory_Separator;
1208 end if;
1209
1210 Full_Name (Last + 1 .. Last + File'Length) := File;
1211 Last := Last + File'Length;
1212
1213 -- If switch -n was used, simply output the path name
1214
1215 if Do_Nothing then
1216 Put_Line (Full_Name (1 .. Last));
1217
1218 -- Otherwise, delete the file if it is writable
1219
1220 else
1221 if Force_Deletions
1222 or else Is_Writable_File (Full_Name (1 .. Last))
1223 or else Is_Symbolic_Link (Full_Name (1 .. Last))
1224 then
1225 Delete_File (Full_Name (1 .. Last), Success);
1226 else
1227 Success := False;
1228 end if;
1229
1230 if Verbose_Mode or else not Quiet_Output then
1231 if not Success then
1232 Put ("Warning: """);
1233 Put (Full_Name (1 .. Last));
1234 Put_Line (""" could not be deleted");
1235
1236 else
1237 Put ("""");
1238 Put (Full_Name (1 .. Last));
1239 Put_Line (""" has been deleted");
1240 end if;
1241 end if;
1242 end if;
1243 end Delete;
1244
1245 -----------------------------------
1246 -- Delete_Binder_Generated_Files --
1247 -----------------------------------
1248
1249 procedure Delete_Binder_Generated_Files
1250 (Dir : String;
1251 Source : File_Name_Type)
1252 is
1253 Source_Name : constant String := Get_Name_String (Source);
1254 Current : constant String := Get_Current_Dir;
1255 Last : constant Positive := B_Start'Length + Source_Name'Length;
1256 File_Name : String (1 .. Last + 4);
1257
1258 begin
1259 Change_Dir (Dir);
1260
1261 -- Build the file name (before the extension)
1262
1263 File_Name (1 .. B_Start'Length) := B_Start.all;
1264 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1265
1266 -- Spec
1267
1268 File_Name (Last + 1 .. Last + 4) := ".ads";
1269
1270 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1271 Delete (Dir, File_Name (1 .. Last + 4));
1272 end if;
1273
1274 -- Body
1275
1276 File_Name (Last + 1 .. Last + 4) := ".adb";
1277
1278 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1279 Delete (Dir, File_Name (1 .. Last + 4));
1280 end if;
1281
1282 -- ALI file
1283
1284 File_Name (Last + 1 .. Last + 4) := ".ali";
1285
1286 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1287 Delete (Dir, File_Name (1 .. Last + 4));
1288 end if;
1289
1290 -- Object file
1291
1292 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1293
1294 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1295 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1296 end if;
1297
1298 -- Change back to previous directory
1299
1300 Change_Dir (Current);
1301 end Delete_Binder_Generated_Files;
1302
1303 -----------------------
1304 -- Display_Copyright --
1305 -----------------------
1306
1307 procedure Display_Copyright is
1308 begin
1309 if not Copyright_Displayed then
1310 Copyright_Displayed := True;
1311 Display_Version ("GNATCLEAN", "2003");
1312 end if;
1313 end Display_Copyright;
1314
1315 -------------
1316 -- Empty_Q --
1317 -------------
1318
1319 function Empty_Q return Boolean is
1320 begin
1321 return Q_Front >= Q.Last;
1322 end Empty_Q;
1323
1324 --------------------
1325 -- Extract_From_Q --
1326 --------------------
1327
1328 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1329 Lib : constant File_Name_Type := Q.Table (Q_Front);
1330 begin
1331 Q_Front := Q_Front + 1;
1332 Lib_File := Lib;
1333 end Extract_From_Q;
1334
1335 ---------------
1336 -- Gnatclean --
1337 ---------------
1338
1339 procedure Gnatclean is
1340 begin
1341 -- Do the necessary initializations
1342
1343 Clean.Initialize;
1344
1345 -- Parse the command line, getting the switches and the executable names
1346
1347 Parse_Cmd_Line;
1348
1349 if Verbose_Mode then
1350 Display_Copyright;
1351 end if;
1352
1353 if Project_File_Name /= null then
1354
1355 -- A project file was specified by a -P switch
1356
1357 if Opt.Verbose_Mode then
1358 New_Line;
1359 Put ("Parsing Project File """);
1360 Put (Project_File_Name.all);
1361 Put_Line (""".");
1362 New_Line;
1363 end if;
1364
1365 -- Set the project parsing verbosity to whatever was specified
1366 -- by a possible -vP switch.
1367
1368 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1369
1370 -- Parse the project file. If there is an error, Main_Project
1371 -- will still be No_Project.
1372
1373 Prj.Pars.Parse
1374 (Project => Main_Project,
1375 In_Tree => Project_Tree,
1376 Project_File_Name => Project_File_Name.all,
1377 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1378
1379 if Main_Project = No_Project then
1380 Fail ("""" & Project_File_Name.all & """ processing failed");
1381 end if;
1382
1383 if Opt.Verbose_Mode then
1384 New_Line;
1385 Put ("Parsing of Project File """);
1386 Put (Project_File_Name.all);
1387 Put (""" is finished.");
1388 New_Line;
1389 end if;
1390
1391 -- Add source directories and object directories to the search paths
1392
1393 Add_Source_Directories (Main_Project, Project_Tree);
1394 Add_Object_Directories (Main_Project, Project_Tree);
1395 end if;
1396
1397 Osint.Add_Default_Search_Dirs;
1398
1399 -- If a project file was specified, but no executable name, put all
1400 -- the mains of the project file (if any) as if there were on the
1401 -- command line.
1402
1403 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1404 declare
1405 Value : String_List_Id :=
1406 Project_Tree.Projects.Table (Main_Project).Mains;
1407 Main : String_Element;
1408 begin
1409 while Value /= Prj.Nil_String loop
1410 Main := Project_Tree.String_Elements.Table (Value);
1411 Osint.Add_File
1412 (File_Name => Get_Name_String (Main.Value),
1413 Index => Main.Index);
1414 Value := Main.Next;
1415 end loop;
1416 end;
1417 end if;
1418
1419 -- If neither a project file nor an executable were specified,
1420 -- output the usage and exit.
1421
1422 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1423 Usage;
1424 return;
1425 end if;
1426
1427 if Verbose_Mode then
1428 New_Line;
1429 end if;
1430
1431 if Main_Project /= No_Project then
1432
1433 -- If a project file has been specified, call Clean_Project with the
1434 -- project id of this project file, after resetting the list of
1435 -- processed projects.
1436
1437 Processed_Projects.Init;
1438 Clean_Project (Main_Project);
1439
1440 else
1441 -- If no project file has been specified, the work is done in
1442 -- Clean_Executables.
1443
1444 Clean_Executables;
1445 end if;
1446
1447 -- In verbose mode, if Delete has not been called, indicate that
1448 -- no file needs to be deleted.
1449
1450 if Verbose_Mode and (not File_Deleted) then
1451 New_Line;
1452
1453 if Do_Nothing then
1454 Put_Line ("No file needs to be deleted");
1455 else
1456 Put_Line ("No file has been deleted");
1457 end if;
1458 end if;
1459 end Gnatclean;
1460
1461 ------------------------
1462 -- In_Extension_Chain --
1463 ------------------------
1464
1465 function In_Extension_Chain
1466 (Of_Project : Project_Id;
1467 Prj : Project_Id) return Boolean
1468 is
1469 Data : Project_Data;
1470
1471 begin
1472 if Prj = No_Project or else Of_Project = No_Project then
1473 return False;
1474 end if;
1475
1476 if Of_Project = Prj then
1477 return True;
1478 end if;
1479
1480 Data := Project_Tree.Projects.Table (Of_Project);
1481
1482 while Data.Extends /= No_Project loop
1483 if Data.Extends = Prj then
1484 return True;
1485 end if;
1486
1487 Data := Project_Tree.Projects.Table (Data.Extends);
1488 end loop;
1489
1490 Data := Project_Tree.Projects.Table (Prj);
1491
1492 while Data.Extends /= No_Project loop
1493 if Data.Extends = Of_Project then
1494 return True;
1495 end if;
1496
1497 Data := Project_Tree.Projects.Table (Data.Extends);
1498 end loop;
1499
1500 return False;
1501 end In_Extension_Chain;
1502
1503 ------------
1504 -- Init_Q --
1505 ------------
1506
1507 procedure Init_Q is
1508 begin
1509 Q_Front := Q.First;
1510 Q.Set_Last (Q.First);
1511 end Init_Q;
1512
1513 ----------------
1514 -- Initialize --
1515 ----------------
1516
1517 procedure Initialize is
1518 begin
1519 if not Initialized then
1520 Initialized := True;
1521
1522 -- Get default search directories to locate system.ads when calling
1523 -- Targparm.Get_Target_Parameters.
1524
1525 Osint.Add_Default_Search_Dirs;
1526
1527 -- Initialize some packages
1528
1529 Csets.Initialize;
1530 Namet.Initialize;
1531 Snames.Initialize;
1532 Prj.Initialize (Project_Tree);
1533
1534 -- Check if the platform is VMS and, if it is, change some variables
1535
1536 Targparm.Get_Target_Parameters;
1537
1538 if OpenVMS_On_Target then
1539 Debug_Suffix (Debug_Suffix'First) := '_';
1540 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1541 B_Start := new String'("b__");
1542 end if;
1543 end if;
1544
1545 -- Reset global variables
1546
1547 Free (Object_Directory_Path);
1548 Do_Nothing := False;
1549 File_Deleted := False;
1550 Copyright_Displayed := False;
1551 Usage_Displayed := False;
1552 Free (Project_File_Name);
1553 Main_Project := Prj.No_Project;
1554 All_Projects := False;
1555 end Initialize;
1556
1557 --------------
1558 -- Insert_Q --
1559 --------------
1560
1561 procedure Insert_Q (Lib_File : File_Name_Type) is
1562 begin
1563 -- Do not insert an empty name or an already marked source
1564
1565 if Lib_File /= No_File and then not Makeutl.Is_Marked (Lib_File) then
1566 Q.Table (Q.Last) := Lib_File;
1567 Q.Increment_Last;
1568
1569 -- Mark the source that has been just added to the Q
1570
1571 Makeutl.Mark (Lib_File);
1572 end if;
1573 end Insert_Q;
1574
1575 ----------------------
1576 -- Object_File_Name --
1577 ----------------------
1578
1579 function Object_File_Name (Source : File_Name_Type) return String is
1580 Src : constant String := Get_Name_String (Source);
1581
1582 begin
1583 -- If the source name has an extension, then replace it with
1584 -- the Object suffix.
1585
1586 for Index in reverse Src'First + 1 .. Src'Last loop
1587 if Src (Index) = '.' then
1588 return Src (Src'First .. Index - 1) & Object_Suffix;
1589 end if;
1590 end loop;
1591
1592 -- If there is no dot, or if it is the first character, just add the
1593 -- ALI suffix.
1594
1595 return Src & Object_Suffix;
1596 end Object_File_Name;
1597
1598 --------------------
1599 -- Parse_Cmd_Line --
1600 --------------------
1601
1602 procedure Parse_Cmd_Line is
1603 Last : constant Natural := Argument_Count;
1604 Source_Index : Int := 0;
1605 Index : Positive;
1606
1607 procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
1608
1609 begin
1610 -- First, check for --version and --help
1611
1612 Check_Version_And_Help ("GNATCLEAN", "2003");
1613
1614 Index := 1;
1615 while Index <= Last loop
1616 declare
1617 Arg : constant String := Argument (Index);
1618
1619 procedure Bad_Argument;
1620 -- Signal bad argument
1621
1622 ------------------
1623 -- Bad_Argument --
1624 ------------------
1625
1626 procedure Bad_Argument is
1627 begin
1628 Fail ("invalid argument """ & Arg & """");
1629 end Bad_Argument;
1630
1631 begin
1632 if Arg'Length /= 0 then
1633 if Arg (1) = '-' then
1634 if Arg'Length = 1 then
1635 Bad_Argument;
1636 end if;
1637
1638 case Arg (2) is
1639 when '-' =>
1640 if Arg'Length > Subdirs_Option'Length and then
1641 Arg (1 .. Subdirs_Option'Length) = Subdirs_Option
1642 then
1643 Subdirs :=
1644 new String'
1645 (Arg (Subdirs_Option'Length + 1 .. Arg'Last));
1646
1647 else
1648 Bad_Argument;
1649 end if;
1650
1651 when 'a' =>
1652 if Arg'Length < 4 then
1653 Bad_Argument;
1654 end if;
1655
1656 if Arg (3) = 'O' then
1657 Add_Lib_Search_Dir (Arg (4 .. Arg'Last));
1658
1659 elsif Arg (3) = 'P' then
1660 Prj.Ext.Add_Search_Project_Directory
1661 (Arg (4 .. Arg'Last));
1662
1663 else
1664 Bad_Argument;
1665 end if;
1666
1667 when 'c' =>
1668 Compile_Only := True;
1669
1670 when 'D' =>
1671 if Object_Directory_Path /= null then
1672 Fail ("duplicate -D switch");
1673
1674 elsif Project_File_Name /= null then
1675 Fail ("-P and -D cannot be used simultaneously");
1676 end if;
1677
1678 if Arg'Length > 2 then
1679 declare
1680 Dir : constant String := Arg (3 .. Arg'Last);
1681 begin
1682 if not Is_Directory (Dir) then
1683 Fail (Dir & " is not a directory");
1684 else
1685 Add_Lib_Search_Dir (Dir);
1686 end if;
1687 end;
1688
1689 else
1690 if Index = Last then
1691 Fail ("no directory specified after -D");
1692 end if;
1693
1694 Index := Index + 1;
1695
1696 declare
1697 Dir : constant String := Argument (Index);
1698 begin
1699 if not Is_Directory (Dir) then
1700 Fail (Dir & " is not a directory");
1701 else
1702 Add_Lib_Search_Dir (Dir);
1703 end if;
1704 end;
1705 end if;
1706
1707 when 'e' =>
1708 if Arg = "-eL" then
1709 Follow_Links_For_Files := True;
1710
1711 else
1712 Bad_Argument;
1713 end if;
1714
1715 when 'f' =>
1716 Force_Deletions := True;
1717
1718 when 'F' =>
1719 Full_Path_Name_For_Brief_Errors := True;
1720
1721 when 'h' =>
1722 Usage;
1723
1724 when 'i' =>
1725 if Arg'Length = 2 then
1726 Bad_Argument;
1727 end if;
1728
1729 Source_Index := 0;
1730
1731 for J in 3 .. Arg'Last loop
1732 if Arg (J) not in '0' .. '9' then
1733 Bad_Argument;
1734 end if;
1735
1736 Source_Index :=
1737 (20 * Source_Index) +
1738 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1739 end loop;
1740
1741 when 'I' =>
1742 if Arg = "-I-" then
1743 Opt.Look_In_Primary_Dir := False;
1744
1745 else
1746 if Arg'Length = 2 then
1747 Bad_Argument;
1748 end if;
1749
1750 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1751 end if;
1752
1753 when 'n' =>
1754 Do_Nothing := True;
1755
1756 when 'P' =>
1757 if Project_File_Name /= null then
1758 Fail ("multiple -P switches");
1759
1760 elsif Object_Directory_Path /= null then
1761 Fail ("-D and -P cannot be used simultaneously");
1762
1763 end if;
1764
1765 if Arg'Length > 2 then
1766 declare
1767 Prj : constant String := Arg (3 .. Arg'Last);
1768 begin
1769 if Prj'Length > 1 and then
1770 Prj (Prj'First) = '='
1771 then
1772 Project_File_Name :=
1773 new String'
1774 (Prj (Prj'First + 1 .. Prj'Last));
1775 else
1776 Project_File_Name := new String'(Prj);
1777 end if;
1778 end;
1779
1780 else
1781 if Index = Last then
1782 Fail ("no project specified after -P");
1783 end if;
1784
1785 Index := Index + 1;
1786 Project_File_Name := new String'(Argument (Index));
1787 end if;
1788
1789 when 'q' =>
1790 Quiet_Output := True;
1791
1792 when 'r' =>
1793 All_Projects := True;
1794
1795 when 'v' =>
1796 if Arg = "-v" then
1797 Verbose_Mode := True;
1798
1799 elsif Arg = "-vP0" then
1800 Current_Verbosity := Prj.Default;
1801
1802 elsif Arg = "-vP1" then
1803 Current_Verbosity := Prj.Medium;
1804
1805 elsif Arg = "-vP2" then
1806 Current_Verbosity := Prj.High;
1807
1808 else
1809 Bad_Argument;
1810 end if;
1811
1812 when 'X' =>
1813 if Arg'Length = 2 then
1814 Bad_Argument;
1815 end if;
1816
1817 declare
1818 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1819 Start : Positive := Ext_Asgn'First;
1820 Stop : Natural := Ext_Asgn'Last;
1821 Equal_Pos : Natural;
1822 OK : Boolean := True;
1823
1824 begin
1825 if Ext_Asgn (Start) = '"' then
1826 if Ext_Asgn (Stop) = '"' then
1827 Start := Start + 1;
1828 Stop := Stop - 1;
1829
1830 else
1831 OK := False;
1832 end if;
1833 end if;
1834
1835 Equal_Pos := Start;
1836
1837 while Equal_Pos <= Stop
1838 and then Ext_Asgn (Equal_Pos) /= '='
1839 loop
1840 Equal_Pos := Equal_Pos + 1;
1841 end loop;
1842
1843 if Equal_Pos = Start or else Equal_Pos > Stop then
1844 OK := False;
1845 end if;
1846
1847 if OK then
1848 Prj.Ext.Add
1849 (External_Name =>
1850 Ext_Asgn (Start .. Equal_Pos - 1),
1851 Value =>
1852 Ext_Asgn (Equal_Pos + 1 .. Stop));
1853
1854 else
1855 Fail
1856 ("illegal external assignment '"
1857 & Ext_Asgn
1858 & "'");
1859 end if;
1860 end;
1861
1862 when others =>
1863 Bad_Argument;
1864 end case;
1865
1866 else
1867 Add_File (Arg, Source_Index);
1868 end if;
1869 end if;
1870 end;
1871
1872 Index := Index + 1;
1873 end loop;
1874 end Parse_Cmd_Line;
1875
1876 -----------------------
1877 -- Repinfo_File_Name --
1878 -----------------------
1879
1880 function Repinfo_File_Name (Source : File_Name_Type) return String is
1881 begin
1882 return Get_Name_String (Source) & Repinfo_Suffix;
1883 end Repinfo_File_Name;
1884
1885 --------------------
1886 -- Tree_File_Name --
1887 --------------------
1888
1889 function Tree_File_Name (Source : File_Name_Type) return String is
1890 Src : constant String := Get_Name_String (Source);
1891
1892 begin
1893 -- If the source name has an extension, then replace it with
1894 -- the tree suffix.
1895
1896 for Index in reverse Src'First + 1 .. Src'Last loop
1897 if Src (Index) = '.' then
1898 return Src (Src'First .. Index - 1) & Tree_Suffix;
1899 end if;
1900 end loop;
1901
1902 -- If there is no dot, or if it is the first character, just add the
1903 -- tree suffix.
1904
1905 return Src & Tree_Suffix;
1906 end Tree_File_Name;
1907
1908 ---------------------------
1909 -- Ultimate_Extension_Of --
1910 ---------------------------
1911
1912 function Ultimate_Extension_Of (Project : Project_Id) return Project_Id is
1913 Result : Project_Id := Project;
1914 Data : Project_Data;
1915
1916 begin
1917 if Project /= No_Project then
1918 loop
1919 Data := Project_Tree.Projects.Table (Result);
1920 exit when Data.Extended_By = No_Project;
1921 Result := Data.Extended_By;
1922 end loop;
1923 end if;
1924
1925 return Result;
1926 end Ultimate_Extension_Of;
1927
1928 -----------
1929 -- Usage --
1930 -----------
1931
1932 procedure Usage is
1933 begin
1934 if not Usage_Displayed then
1935 Usage_Displayed := True;
1936 Display_Copyright;
1937 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1938 New_Line;
1939
1940 Put_Line (" names is one or more file names from which " &
1941 "the .adb or .ads suffix may be omitted");
1942 Put_Line (" names may be omitted if -P<project> is specified");
1943 New_Line;
1944
1945 Put_Line (" --subdirs=dir real obj/lib/exec dirs are subdirs");
1946 New_Line;
1947
1948 Put_Line (" -c Only delete compiler generated files");
1949 Put_Line (" -D dir Specify dir as the object library");
1950 Put_Line (" -eL Follow symbolic links when processing " &
1951 "project files");
1952 Put_Line (" -f Force deletions of unwritable files");
1953 Put_Line (" -F Full project path name " &
1954 "in brief error messages");
1955 Put_Line (" -h Display this message");
1956 Put_Line (" -innn Index of unit in source for following names");
1957 Put_Line (" -n Nothing to do: only list files to delete");
1958 Put_Line (" -Pproj Use GNAT Project File proj");
1959 Put_Line (" -q Be quiet/terse");
1960 Put_Line (" -r Clean all projects recursively");
1961 Put_Line (" -v Verbose mode");
1962 Put_Line (" -vPx Specify verbosity when parsing " &
1963 "GNAT Project Files");
1964 Put_Line (" -Xnm=val Specify an external reference " &
1965 "for GNAT Project Files");
1966 New_Line;
1967
1968 Put_Line (" -aPdir Add directory dir to project search path");
1969 New_Line;
1970
1971 Put_Line (" -aOdir Specify ALI/object files search path");
1972 Put_Line (" -Idir Like -aOdir");
1973 Put_Line (" -I- Don't look for source/library files " &
1974 "in the default directory");
1975 New_Line;
1976 end if;
1977 end Usage;
1978
1979 end Clean;
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