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* tree-loop-linear.c: Don't include varray.h.
[official-gcc.git] / gcc / ada / clean.adb
blob08459060345b6ef076ce2bb1c718ea4096060968
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2006, 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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, 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 ALI; use ALI;
28 with Csets;
29 with Gnatvsn; use Gnatvsn;
30 with Makeutl;
31 with MLib.Tgt; use MLib.Tgt;
32 with Namet; use Namet;
33 with Opt; use Opt;
34 with Osint; use Osint;
35 with Osint.M; use Osint.M;
36 with Prj; use Prj;
37 with Prj.Env;
38 with Prj.Ext;
39 with Prj.Pars;
40 with Prj.Util; use Prj.Util;
41 with Snames;
42 with Table;
43 with Targparm; use Targparm;
44 with Types; use Types;
45
46 with Ada.Command_Line; use Ada.Command_Line;
47
48 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
49 with GNAT.IO; use GNAT.IO;
50 with GNAT.OS_Lib; use GNAT.OS_Lib;
51
52 package body Clean is
53
54 Initialized : Boolean := False;
55 -- Set to True by the first call to Initialize.
56 -- To avoid reinitialization of some packages.
57
58 -- Suffixes of various files
59
60 Assembly_Suffix : constant String := ".s";
61 ALI_Suffix : constant String := ".ali";
62 Tree_Suffix : constant String := ".adt";
63 Object_Suffix : constant String := Get_Target_Object_Suffix.all;
64 Debug_Suffix : String := ".dg";
65 -- Changed to "_dg" for VMS in the body of the package
66
67 Repinfo_Suffix : String := ".rep";
68 -- Changed to "_rep" for VMS in the body of the package
69
70 B_Start : String_Ptr := new String'("b~");
71 -- Prefix of binder generated file, and number of actual characters used.
72 -- Changed to "b__" for VMS in the body of the package.
73
74 Object_Directory_Path : String_Access := null;
75 -- The path name of the object directory, set with switch -D
76
77 Force_Deletions : Boolean := False;
78 -- Set to True by switch -f. When True, attempts to delete non writable
79 -- files will be done.
80
81 Do_Nothing : Boolean := False;
82 -- Set to True when switch -n is specified. When True, no file is deleted.
83 -- gnatclean only lists the files that would have been deleted if the
84 -- switch -n had not been specified.
85
86 File_Deleted : Boolean := False;
87 -- Set to True if at least one file has been deleted
88
89 Copyright_Displayed : Boolean := False;
90 Usage_Displayed : Boolean := False;
91
92 Project_File_Name : String_Access := null;
93
94 Project_Tree : constant Prj.Project_Tree_Ref := new Prj.Project_Tree_Data;
95
96 Main_Project : Prj.Project_Id := Prj.No_Project;
97
98 All_Projects : Boolean := False;
99
100 -- Packages of project files where unknown attributes are errors
101
102 Naming_String : aliased String := "naming";
103 Builder_String : aliased String := "builder";
104 Compiler_String : aliased String := "compiler";
105 Binder_String : aliased String := "binder";
106 Linker_String : aliased String := "linker";
107
108 Gnatmake_Packages : aliased String_List :=
109 (Naming_String 'Access,
110 Builder_String 'Access,
111 Compiler_String 'Access,
112 Binder_String 'Access,
113 Linker_String 'Access);
114
115 Packages_To_Check_By_Gnatmake : constant String_List_Access :=
116 Gnatmake_Packages'Access;
117
118 package Processed_Projects is new Table.Table
119 (Table_Component_Type => Project_Id,
120 Table_Index_Type => Natural,
121 Table_Low_Bound => 0,
122 Table_Initial => 10,
123 Table_Increment => 10,
124 Table_Name => "Clean.Processed_Projects");
125 -- Table to keep track of what project files have been processed, when
126 -- switch -r is specified.
127
128 package Sources is new Table.Table
129 (Table_Component_Type => File_Name_Type,
130 Table_Index_Type => Natural,
131 Table_Low_Bound => 0,
132 Table_Initial => 10,
133 Table_Increment => 10,
134 Table_Name => "Clean.Processed_Projects");
135 -- Table to store all the source files of a library unit: spec, body and
136 -- subunits, to detect .dg files and delete them.
137
138 ----------------------------
139 -- Queue (Q) manipulation --
140 ----------------------------
141
142 procedure Init_Q;
143 -- Must be called to initialize the Q
144
145 procedure Insert_Q (Lib_File : File_Name_Type);
146 -- If Lib_File is not marked, inserts it at the end of Q and mark it
147
148 function Empty_Q return Boolean;
149 -- Returns True if Q is empty
150
151 procedure Extract_From_Q (Lib_File : out File_Name_Type);
152 -- Extracts the first element from the Q
153
154 Q_Front : Natural;
155 -- Points to the first valid element in the Q
156
157 package Q is new Table.Table (
158 Table_Component_Type => File_Name_Type,
159 Table_Index_Type => Natural,
160 Table_Low_Bound => 0,
161 Table_Initial => 4000,
162 Table_Increment => 100,
163 Table_Name => "Clean.Q");
164 -- This is the actual queue
165
166 -----------------------------
167 -- Other local subprograms --
168 -----------------------------
169
170 procedure Add_Source_Dir (N : String);
171 -- Call Add_Src_Search_Dir.
172 -- Output one line when in verbose mode.
173
174 procedure Add_Source_Directories is
175 new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
176
177 procedure Add_Object_Dir (N : String);
178 -- Call Add_Lib_Search_Dir.
179 -- Output one line when in verbose mode.
180
181 procedure Add_Object_Directories is
182 new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
183
184 function ALI_File_Name (Source : Name_Id) return String;
185 -- Returns the name of the ALI file corresponding to Source
186
187 function Assembly_File_Name (Source : Name_Id) return String;
188 -- Returns the assembly file name corresponding to Source
189
190 procedure Clean_Archive (Project : Project_Id);
191 -- Delete a global archive or a fake library project archive and the
192 -- dependency file, if they exist.
193
194 procedure Clean_Executables;
195 -- Do the cleaning work when no project file is specified
196
197 procedure Clean_Interface_Copy_Directory (Project : Project_Id);
198 -- Delete files in an interface coy directory directory: any file that is
199 -- a copy of a source of the project.
200
201 procedure Clean_Library_Directory (Project : Project_Id);
202 -- Delete the library file in a library directory and any ALI file
203 -- of a source of the project in a library ALI directory.
204
205 procedure Clean_Project (Project : Project_Id);
206 -- Do the cleaning work when a project file is specified.
207 -- This procedure calls itself recursively when there are several
208 -- project files in the tree rooted at the main project file and switch -r
209 -- has been specified.
210
211 function Debug_File_Name (Source : Name_Id) return String;
212 -- Name of the expanded source file corresponding to Source
213
214 procedure Delete (In_Directory : String; File : String);
215 -- Delete one file, or list the file name if switch -n is specified
216
217 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id);
218 -- Delete the binder generated file in directory Dir for Source, if they
219 -- exist: for Unix these are b~<source>.ads, b~<source>.adb,
220 -- b~<source>.ali and b~<source>.o.
221
222 procedure Display_Copyright;
223 -- Display the Copyright notice.
224 -- If called several times, display the Copyright notice only the first
225 -- time.
226
227 procedure Initialize;
228 -- Call the necessary package initializations
229
230 function Object_File_Name (Source : Name_Id) return String;
231 -- Returns the object file name corresponding to Source
232
233 procedure Parse_Cmd_Line;
234 -- Parse the command line
235
236 function Repinfo_File_Name (Source : Name_Id) return String;
237 -- Returns the repinfo file name corresponding to Source
238
239 function Tree_File_Name (Source : Name_Id) return String;
240 -- Returns the tree file name corresponding to Source
241
242 function In_Extension_Chain
243 (Of_Project : Project_Id;
244 Prj : Project_Id) return Boolean;
245 -- Returns True iff Prj is an extension of Of_Project or if Of_Project is
246 -- an extension of Prj.
247
248 function Ultimate_Extension_Of (Project : Project_Id) return Project_Id;
249 -- Returns either Project, if it is not extended by another project, or
250 -- the project that extends Project, directly or indirectly, and that is
251 -- not itself extended. Returns No_Project if Project is No_Project.
252
253 procedure Usage;
254 -- Display the usage.
255 -- If called several times, the usage is displayed only the first time.
256
257 --------------------
258 -- Add_Object_Dir --
259 --------------------
260
261 procedure Add_Object_Dir (N : String) is
262 begin
263 Add_Lib_Search_Dir (N);
264
265 if Opt.Verbose_Mode then
266 Put ("Adding object directory """);
267 Put (N);
268 Put (""".");
269 New_Line;
270 end if;
271 end Add_Object_Dir;
272
273 --------------------
274 -- Add_Source_Dir --
275 --------------------
276
277 procedure Add_Source_Dir (N : String) is
278 begin
279 Add_Src_Search_Dir (N);
280
281 if Opt.Verbose_Mode then
282 Put ("Adding source directory """);
283 Put (N);
284 Put (""".");
285 New_Line;
286 end if;
287 end Add_Source_Dir;
288
289 -------------------
290 -- ALI_File_Name --
291 -------------------
292
293 function ALI_File_Name (Source : Name_Id) return String is
294 Src : constant String := Get_Name_String (Source);
295
296 begin
297 -- If the source name has an extension, then replace it with
298 -- the ALI suffix.
299
300 for Index in reverse Src'First + 1 .. Src'Last loop
301 if Src (Index) = '.' then
302 return Src (Src'First .. Index - 1) & ALI_Suffix;
303 end if;
304 end loop;
305
306 -- If there is no dot, or if it is the first character, just add the
307 -- ALI suffix.
308
309 return Src & ALI_Suffix;
310 end ALI_File_Name;
311
312 ------------------------
313 -- Assembly_File_Name --
314 ------------------------
315
316 function Assembly_File_Name (Source : Name_Id) return String is
317 Src : constant String := Get_Name_String (Source);
318
319 begin
320 -- If the source name has an extension, then replace it with
321 -- the assembly suffix.
322
323 for Index in reverse Src'First + 1 .. Src'Last loop
324 if Src (Index) = '.' then
325 return Src (Src'First .. Index - 1) & Assembly_Suffix;
326 end if;
327 end loop;
328
329 -- If there is no dot, or if it is the first character, just add the
330 -- assembly suffix.
331
332 return Src & Assembly_Suffix;
333 end Assembly_File_Name;
334
335 -------------------
336 -- Clean_Archive --
337 -------------------
338
339 procedure Clean_Archive (Project : Project_Id) is
340 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
341 Data : constant Project_Data :=
342 Project_Tree.Projects.Table (Project);
343
344 Archive_Name : constant String :=
345 "lib" & Get_Name_String (Data.Name) & '.' & Archive_Ext;
346 -- The name of the archive file for this project
347
348 Archive_Dep_Name : constant String :=
349 "lib" & Get_Name_String (Data.Name) & ".deps";
350 -- The name of the archive dependency file for this project
351
352 Obj_Dir : constant String := Get_Name_String (Data.Object_Directory);
353
354 begin
355 Change_Dir (Obj_Dir);
356
357 if Is_Regular_File (Archive_Name) then
358 Delete (Obj_Dir, Archive_Name);
359 end if;
360
361 if Is_Regular_File (Archive_Dep_Name) then
362 Delete (Obj_Dir, Archive_Dep_Name);
363 end if;
364
365 Change_Dir (Current_Dir);
366 end Clean_Archive;
367
368 -----------------------
369 -- Clean_Executables --
370 -----------------------
371
372 procedure Clean_Executables is
373 Main_Source_File : File_Name_Type;
374 -- Current main source
375
376 Main_Lib_File : File_Name_Type;
377 -- ALI file of the current main
378
379 Lib_File : File_Name_Type;
380 -- Current ALI file
381
382 Full_Lib_File : File_Name_Type;
383 -- Full name of the current ALI file
384
385 Text : Text_Buffer_Ptr;
386 The_ALI : ALI_Id;
387
388 begin
389 Init_Q;
390
391 -- It does not really matter if there is or not an object file
392 -- corresponding to an ALI file: if there is one, it will be deleted.
393
394 Opt.Check_Object_Consistency := False;
395
396 -- Proceed each executable one by one. Each source is marked as it is
397 -- processed, so common sources between executables will not be
398 -- processed several times.
399
400 for N_File in 1 .. Osint.Number_Of_Files loop
401 Main_Source_File := Next_Main_Source;
402 Main_Lib_File := Osint.Lib_File_Name
403 (Main_Source_File, Current_File_Index);
404 Insert_Q (Main_Lib_File);
405
406 while not Empty_Q loop
407 Sources.Set_Last (0);
408 Extract_From_Q (Lib_File);
409 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
410
411 -- If we have existing ALI file that is not read-only, process it
412
413 if Full_Lib_File /= No_File
414 and then not Is_Readonly_Library (Full_Lib_File)
415 then
416 Text := Read_Library_Info (Lib_File);
417
418 if Text /= null then
419 The_ALI :=
420 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
421 Free (Text);
422
423 -- If no error was produced while loading this ALI file,
424 -- insert into the queue all the unmarked withed sources.
425
426 if The_ALI /= No_ALI_Id then
427 for J in ALIs.Table (The_ALI).First_Unit ..
428 ALIs.Table (The_ALI).Last_Unit
429 loop
430 Sources.Increment_Last;
431 Sources.Table (Sources.Last) :=
432 ALI.Units.Table (J).Sfile;
433
434 for K in ALI.Units.Table (J).First_With ..
435 ALI.Units.Table (J).Last_With
436 loop
437 Insert_Q (Withs.Table (K).Afile);
438 end loop;
439 end loop;
440
441 -- Look for subunits and put them in the Sources table
442
443 for J in ALIs.Table (The_ALI).First_Sdep ..
444 ALIs.Table (The_ALI).Last_Sdep
445 loop
446 if Sdep.Table (J).Subunit_Name /= No_Name then
447 Sources.Increment_Last;
448 Sources.Table (Sources.Last) :=
449 Sdep.Table (J).Sfile;
450 end if;
451 end loop;
452 end if;
453 end if;
454
455 -- Now delete all existing files corresponding to this ALI file
456
457 declare
458 Obj_Dir : constant String :=
459 Dir_Name (Get_Name_String (Full_Lib_File));
460 Obj : constant String := Object_File_Name (Lib_File);
461 Adt : constant String := Tree_File_Name (Lib_File);
462 Asm : constant String := Assembly_File_Name (Lib_File);
463
464 begin
465 Delete (Obj_Dir, Get_Name_String (Lib_File));
466
467 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
468 Delete (Obj_Dir, Obj);
469 end if;
470
471 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
472 Delete (Obj_Dir, Adt);
473 end if;
474
475 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
476 Delete (Obj_Dir, Asm);
477 end if;
478
479 -- Delete expanded source files (.dg) and/or repinfo files
480 -- (.rep) if any
481
482 for J in 1 .. Sources.Last loop
483 declare
484 Deb : constant String :=
485 Debug_File_Name (Sources.Table (J));
486 Rep : constant String :=
487 Repinfo_File_Name (Sources.Table (J));
488
489 begin
490 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
491 Delete (Obj_Dir, Deb);
492 end if;
493
494 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
495 Delete (Obj_Dir, Rep);
496 end if;
497 end;
498 end loop;
499 end;
500 end if;
501 end loop;
502
503 -- Delete the executable, if it exists, and the binder generated
504 -- files, if any.
505
506 if not Compile_Only then
507 declare
508 Source : constant Name_Id := Strip_Suffix (Main_Lib_File);
509 Executable : constant String := Get_Name_String
510 (Executable_Name (Source));
511 begin
512 if Is_Regular_File (Executable) then
513 Delete ("", Executable);
514 end if;
515
516 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
517 end;
518 end if;
519 end loop;
520 end Clean_Executables;
521
522 ------------------------------------
523 -- Clean_Interface_Copy_Directory --
524 ------------------------------------
525
526 procedure Clean_Interface_Copy_Directory (Project : Project_Id) is
527 Current : constant String := Get_Current_Dir;
528 Data : constant Project_Data := Project_Tree.Projects.Table (Project);
529
530 Direc : Dir_Type;
531
532 Name : String (1 .. 200);
533 Last : Natural;
534
535 Delete_File : Boolean;
536 Unit : Unit_Data;
537
538 begin
539 if Data.Library and then Data.Library_Src_Dir /= No_Name then
540 declare
541 Directory : constant String :=
542 Get_Name_String (Data.Library_Src_Dir);
543
544 begin
545 Change_Dir (Get_Name_String (Data.Library_Src_Dir));
546 Open (Direc, ".");
547
548 -- For each regular file in the directory, if switch -n has not
549 -- been specified, make it writable and delete the file if it is
550 -- a copy of a source of the project.
551
552 loop
553 Read (Direc, Name, Last);
554 exit when Last = 0;
555
556 if Is_Regular_File (Name (1 .. Last)) then
557 Canonical_Case_File_Name (Name (1 .. Last));
558 Delete_File := False;
559
560 -- Compare with source file names of the project
561
562 for Index in 1 .. Unit_Table.Last (Project_Tree.Units) loop
563 Unit := Project_Tree.Units.Table (Index);
564
565 if Ultimate_Extension_Of
566 (Unit.File_Names (Body_Part).Project) = Project
567 and then
568 Get_Name_String
569 (Unit.File_Names (Body_Part).Name) =
570 Name (1 .. Last)
571 then
572 Delete_File := True;
573 exit;
574 end if;
575
576 if Ultimate_Extension_Of
577 (Unit.File_Names (Specification).Project) = Project
578 and then
579 Get_Name_String
580 (Unit.File_Names (Specification).Name) =
581 Name (1 .. Last)
582 then
583 Delete_File := True;
584 exit;
585 end if;
586 end loop;
587
588 if Delete_File then
589 if not Do_Nothing then
590 Set_Writable (Name (1 .. Last));
591 end if;
592
593 Delete (Directory, Name (1 .. Last));
594 end if;
595 end if;
596 end loop;
597
598 Close (Direc);
599
600 -- Restore the initial working directory
601
602 Change_Dir (Current);
603 end;
604 end if;
605 end Clean_Interface_Copy_Directory;
606
607 -----------------------------
608 -- Clean_Library_Directory --
609 -----------------------------
610
611 procedure Clean_Library_Directory (Project : Project_Id) is
612 Current : constant String := Get_Current_Dir;
613 Data : constant Project_Data := Project_Tree.Projects.Table (Project);
614
615 Lib_Filename : constant String := Get_Name_String (Data.Library_Name);
616 DLL_Name : constant String :=
617 DLL_Prefix & Lib_Filename & "." & DLL_Ext;
618 Archive_Name : constant String :=
619 "lib" & Lib_Filename & "." & Archive_Ext;
620 Direc : Dir_Type;
621
622 Name : String (1 .. 200);
623 Last : Natural;
624
625 Delete_File : Boolean;
626
627 begin
628 if Data.Library then
629 declare
630 Lib_Directory : constant String :=
631 Get_Name_String (Data.Library_Dir);
632 Lib_ALI_Directory : constant String :=
633 Get_Name_String (Data.Library_ALI_Dir);
634
635 begin
636 Change_Dir (Lib_Directory);
637 Open (Direc, ".");
638
639 -- For each regular file in the directory, if switch -n has not
640 -- been specified, make it writable and delete the file if it is
641 -- the library file.
642
643 loop
644 Read (Direc, Name, Last);
645 exit when Last = 0;
646
647 if Is_Regular_File (Name (1 .. Last)) then
648 Canonical_Case_File_Name (Name (1 .. Last));
649 Delete_File := False;
650
651 if (Data.Library_Kind = Static and then
652 Name (1 .. Last) = Archive_Name)
653 or else
654 ((Data.Library_Kind = Dynamic or else
655 Data.Library_Kind = Relocatable)
656 and then
657 Name (1 .. Last) = DLL_Name)
658 then
659 if not Do_Nothing then
660 Set_Writable (Name (1 .. Last));
661 end if;
662
663 Delete (Lib_Directory, Name (1 .. Last));
664 exit;
665 end if;
666 end if;
667 end loop;
668
669 Close (Direc);
670
671 Change_Dir (Lib_ALI_Directory);
672 Open (Direc, ".");
673
674 -- For each regular file in the directory, if switch -n has not
675 -- been specified, make it writable and delete the file if it is
676 -- any ALI file of a source of the project.
677
678 loop
679 Read (Direc, Name, Last);
680 exit when Last = 0;
681
682 if Is_Regular_File (Name (1 .. Last)) then
683 Canonical_Case_File_Name (Name (1 .. Last));
684 Delete_File := False;
685
686 if Last > 4 and then Name (Last - 3 .. Last) = ".ali" then
687 declare
688 Unit : Unit_Data;
689 begin
690 -- Compare with ALI file names of the project
691
692 for
693 Index in 1 .. Unit_Table.Last (Project_Tree.Units)
694 loop
695 Unit := Project_Tree.Units.Table (Index);
696
697 if Unit.File_Names (Body_Part).Project /=
698 No_Project
699 then
700 if Ultimate_Extension_Of
701 (Unit.File_Names (Body_Part).Project) =
702 Project
703 then
704 Get_Name_String
705 (Unit.File_Names (Body_Part).Name);
706 Name_Len := Name_Len -
707 File_Extension
708 (Name (1 .. Name_Len))'Length;
709 if Name_Buffer (1 .. Name_Len) =
710 Name (1 .. Last - 4)
711 then
712 Delete_File := True;
713 exit;
714 end if;
715 end if;
716
717 elsif Ultimate_Extension_Of
718 (Unit.File_Names (Specification).Project) =
719 Project
720 then
721 Get_Name_String
722 (Unit.File_Names (Specification).Name);
723 Name_Len := Name_Len -
724 File_Extension
725 (Name (1 .. Name_Len))'Length;
726
727 if Name_Buffer (1 .. Name_Len) =
728 Name (1 .. Last - 4)
729 then
730 Delete_File := True;
731 exit;
732 end if;
733 end if;
734 end loop;
735 end;
736 end if;
737
738 if Delete_File then
739 if not Do_Nothing then
740 Set_Writable (Name (1 .. Last));
741 end if;
742
743 Delete (Lib_ALI_Directory, Name (1 .. Last));
744 end if;
745
746 end if;
747 end loop;
748
749 Close (Direc);
750
751 -- Restore the initial working directory
752
753 Change_Dir (Current);
754 end;
755 end if;
756 end Clean_Library_Directory;
757
758 -------------------
759 -- Clean_Project --
760 -------------------
761
762 procedure Clean_Project (Project : Project_Id) is
763 Main_Source_File : File_Name_Type;
764 -- Name of executable on the command line without directory info
765
766 Executable : Name_Id;
767 -- Name of the executable file
768
769 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
770 Data : constant Project_Data :=
771 Project_Tree.Projects.Table (Project);
772 U_Data : Unit_Data;
773 File_Name1 : Name_Id;
774 Index1 : Int;
775 File_Name2 : Name_Id;
776 Index2 : Int;
777 Lib_File : File_Name_Type;
778
779 Source_Id : Other_Source_Id;
780 Source : Other_Source;
781
782 Global_Archive : Boolean := False;
783
784 begin
785 -- Check that we don't specify executable on the command line for
786 -- a main library project.
787
788 if Project = Main_Project
789 and then Osint.Number_Of_Files /= 0
790 and then Data.Library
791 then
792 Osint.Fail
793 ("Cannot specify executable(s) for a Library Project File");
794 end if;
795
796 -- Nothing to clean in an externally built project
797
798 if Data.Externally_Built then
799 if Verbose_Mode then
800 Put ("Nothing to do to clean externally built project """);
801 Put (Get_Name_String (Data.Name));
802 Put_Line ("""");
803 end if;
804
805 else
806 if Verbose_Mode then
807 Put ("Cleaning project """);
808 Put (Get_Name_String (Data.Name));
809 Put_Line ("""");
810 end if;
811
812 -- Add project to the list of processed projects
813
814 Processed_Projects.Increment_Last;
815 Processed_Projects.Table (Processed_Projects.Last) := Project;
816
817 if Data.Object_Directory /= No_Name then
818 declare
819 Obj_Dir : constant String :=
820 Get_Name_String (Data.Object_Directory);
821
822 begin
823 Change_Dir (Obj_Dir);
824
825 -- First, deal with Ada
826
827 -- Look through the units to find those that are either
828 -- immediate sources or inherited sources of the project.
829 -- Extending projects may have no language specified, if
830 -- Source_Dirs or Source_Files is specified as an empty list,
831 -- so always look for Ada units in extending projects.
832
833 if Data.Languages (Ada_Language_Index)
834 or else Data.Extends /= No_Project
835 then
836 for Unit in Unit_Table.First ..
837 Unit_Table.Last (Project_Tree.Units)
838 loop
839 U_Data := Project_Tree.Units.Table (Unit);
840 File_Name1 := No_Name;
841 File_Name2 := No_Name;
842
843 -- If either the spec or the body is a source of the
844 -- project, check for the corresponding ALI file in the
845 -- object directory.
846
847 if In_Extension_Chain
848 (U_Data.File_Names (Body_Part).Project, Project)
849 or else
850 In_Extension_Chain
851 (U_Data.File_Names (Specification).Project, Project)
852 then
853 File_Name1 := U_Data.File_Names (Body_Part).Name;
854 Index1 := U_Data.File_Names (Body_Part).Index;
855 File_Name2 := U_Data.File_Names (Specification).Name;
856 Index2 := U_Data.File_Names (Specification).Index;
857
858 -- If there is no body file name, then there may be
859 -- only a spec.
860
861 if File_Name1 = No_Name then
862 File_Name1 := File_Name2;
863 Index1 := Index2;
864 File_Name2 := No_Name;
865 Index2 := 0;
866 end if;
867 end if;
868
869 -- If there is either a spec or a body, look for files
870 -- in the object directory.
871
872 if File_Name1 /= No_Name then
873 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
874
875 declare
876 Asm : constant String :=
877 Assembly_File_Name (Lib_File);
878 ALI : constant String :=
879 ALI_File_Name (Lib_File);
880 Obj : constant String :=
881 Object_File_Name (Lib_File);
882 Adt : constant String :=
883 Tree_File_Name (Lib_File);
884 Deb : constant String :=
885 Debug_File_Name (File_Name1);
886 Rep : constant String :=
887 Repinfo_File_Name (File_Name1);
888 Del : Boolean := True;
889
890 begin
891 -- If the ALI file exists and is read-only, no file
892 -- is deleted.
893
894 if Is_Regular_File (ALI) then
895 if Is_Writable_File (ALI) then
896 Delete (Obj_Dir, ALI);
897
898 else
899 Del := False;
900
901 if Verbose_Mode then
902 Put ('"');
903 Put (Obj_Dir);
904
905 if Obj_Dir (Obj_Dir'Last) /=
906 Dir_Separator
907 then
908 Put (Dir_Separator);
909 end if;
910
911 Put (ALI);
912 Put_Line (""" is read-only");
913 end if;
914 end if;
915 end if;
916
917 if Del then
918
919 -- Object file
920
921 if Is_Regular_File (Obj) then
922 Delete (Obj_Dir, Obj);
923 end if;
924
925 -- Assembly file
926
927 if Is_Regular_File (Asm) then
928 Delete (Obj_Dir, Asm);
929 end if;
930
931 -- Tree file
932
933 if Is_Regular_File (Adt) then
934 Delete (Obj_Dir, Adt);
935 end if;
936
937 -- First expanded source file
938
939 if Is_Regular_File (Deb) then
940 Delete (Obj_Dir, Deb);
941 end if;
942
943 -- Repinfo file
944
945 if Is_Regular_File (Rep) then
946 Delete (Obj_Dir, Rep);
947 end if;
948
949 -- Second expanded source file
950
951 if File_Name2 /= No_Name then
952 declare
953 Deb : constant String :=
954 Debug_File_Name (File_Name2);
955 Rep : constant String :=
956 Repinfo_File_Name (File_Name2);
957
958 begin
959 if Is_Regular_File (Deb) then
960 Delete (Obj_Dir, Deb);
961 end if;
962
963 if Is_Regular_File (Rep) then
964 Delete (Obj_Dir, Rep);
965 end if;
966 end;
967 end if;
968 end if;
969 end;
970 end if;
971 end loop;
972 end if;
973
974 -- Check if a global archive and it dependency file could have
975 -- been created and, if they exist, delete them.
976
977 if Project = Main_Project and then not Data.Library then
978 Global_Archive := False;
979
980 for Proj in Project_Table.First ..
981 Project_Table.Last (Project_Tree.Projects)
982 loop
983 if Project_Tree.Projects.Table
984 (Proj).Other_Sources_Present
985 then
986 Global_Archive := True;
987 exit;
988 end if;
989 end loop;
990
991 if Global_Archive then
992 Clean_Archive (Project);
993 end if;
994 end if;
995
996 if Data.Other_Sources_Present then
997
998 -- There is non-Ada code: delete the object files and
999 -- the dependency files if they exist.
1000
1001 Source_Id := Data.First_Other_Source;
1002 while Source_Id /= No_Other_Source loop
1003 Source :=
1004 Project_Tree.Other_Sources.Table (Source_Id);
1005
1006 if Is_Regular_File
1007 (Get_Name_String (Source.Object_Name))
1008 then
1009 Delete (Obj_Dir, Get_Name_String (Source.Object_Name));
1010 end if;
1011
1012 if
1013 Is_Regular_File (Get_Name_String (Source.Dep_Name))
1014 then
1015 Delete (Obj_Dir, Get_Name_String (Source.Dep_Name));
1016 end if;
1017
1018 Source_Id := Source.Next;
1019 end loop;
1020
1021 -- If it is a library with only non Ada sources, delete
1022 -- the fake archive and the dependency file, if they exist.
1023
1024 if Data.Library
1025 and then not Data.Languages (Ada_Language_Index)
1026 then
1027 Clean_Archive (Project);
1028 end if;
1029 end if;
1030 end;
1031 end if;
1032
1033 -- If this is a library project, clean the library directory, the
1034 -- interface copy dir and, for a Stand-Alone Library, the binder
1035 -- generated files of the library.
1036
1037 -- The directories are cleaned only if switch -c is not specified
1038
1039 if Data.Library then
1040 if not Compile_Only then
1041 Clean_Library_Directory (Project);
1042
1043 if Data.Library_Src_Dir /= No_Name then
1044 Clean_Interface_Copy_Directory (Project);
1045 end if;
1046 end if;
1047
1048 if Data.Standalone_Library and then
1049 Data.Object_Directory /= No_Name
1050 then
1051 Delete_Binder_Generated_Files
1052 (Get_Name_String (Data.Object_Directory), Data.Library_Name);
1053 end if;
1054 end if;
1055
1056 if Verbose_Mode then
1057 New_Line;
1058 end if;
1059 end if;
1060
1061 -- If switch -r is specified, call Clean_Project recursively for the
1062 -- imported projects and the project being extended.
1063
1064 if All_Projects then
1065 declare
1066 Imported : Project_List := Data.Imported_Projects;
1067 Element : Project_Element;
1068 Process : Boolean;
1069
1070 begin
1071 -- For each imported project, call Clean_Project if the project
1072 -- has not been processed already.
1073
1074 while Imported /= Empty_Project_List loop
1075 Element := Project_Tree.Project_Lists.Table (Imported);
1076 Imported := Element.Next;
1077 Process := True;
1078
1079 for
1080 J in Processed_Projects.First .. Processed_Projects.Last
1081 loop
1082 if Element.Project = Processed_Projects.Table (J) then
1083 Process := False;
1084 exit;
1085 end if;
1086 end loop;
1087
1088 if Process then
1089 Clean_Project (Element.Project);
1090 end if;
1091 end loop;
1092
1093 -- If this project extends another project, call Clean_Project for
1094 -- the project being extended. It is guaranteed that it has not
1095 -- called before, because no other project may import or extend
1096 -- this project.
1097
1098 if Data.Extends /= No_Project then
1099 Clean_Project (Data.Extends);
1100 end if;
1101 end;
1102 end if;
1103
1104 -- For the main project, delete the executables and the binder
1105 -- generated files.
1106
1107 -- The executables are deleted only if switch -c is not specified
1108
1109 if Project = Main_Project and then Data.Exec_Directory /= No_Name then
1110 declare
1111 Exec_Dir : constant String :=
1112 Get_Name_String (Data.Exec_Directory);
1113
1114 begin
1115 Change_Dir (Exec_Dir);
1116
1117 for N_File in 1 .. Osint.Number_Of_Files loop
1118 Main_Source_File := Next_Main_Source;
1119
1120 if not Compile_Only then
1121 Executable :=
1122 Executable_Of
1123 (Main_Project,
1124 Project_Tree,
1125 Main_Source_File,
1126 Current_File_Index);
1127
1128 declare
1129 Exec_File_Name : constant String :=
1130 Get_Name_String (Executable);
1131
1132 begin
1133 if Is_Absolute_Path (Name => Exec_File_Name) then
1134 if Is_Regular_File (Exec_File_Name) then
1135 Delete ("", Exec_File_Name);
1136 end if;
1137
1138 else
1139 if Is_Regular_File (Exec_File_Name) then
1140 Delete (Exec_Dir, Exec_File_Name);
1141 end if;
1142 end if;
1143 end;
1144 end if;
1145
1146 if Data.Object_Directory /= No_Name then
1147 Delete_Binder_Generated_Files
1148 (Get_Name_String
1149 (Data.Object_Directory),
1150 Strip_Suffix (Main_Source_File));
1151 end if;
1152 end loop;
1153 end;
1154 end if;
1155
1156 -- Change back to previous directory
1157
1158 Change_Dir (Current_Dir);
1159 end Clean_Project;
1160
1161 ---------------------
1162 -- Debug_File_Name --
1163 ---------------------
1164
1165 function Debug_File_Name (Source : Name_Id) return String is
1166 begin
1167 return Get_Name_String (Source) & Debug_Suffix;
1168 end Debug_File_Name;
1169
1170 ------------
1171 -- Delete --
1172 ------------
1173
1174 procedure Delete (In_Directory : String; File : String) is
1175 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
1176 Last : Natural := 0;
1177 Success : Boolean;
1178
1179 begin
1180 -- Indicate that at least one file is deleted or is to be deleted
1181
1182 File_Deleted := True;
1183
1184 -- Build the path name of the file to delete
1185
1186 Last := In_Directory'Length;
1187 Full_Name (1 .. Last) := In_Directory;
1188
1189 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
1190 Last := Last + 1;
1191 Full_Name (Last) := Directory_Separator;
1192 end if;
1193
1194 Full_Name (Last + 1 .. Last + File'Length) := File;
1195 Last := Last + File'Length;
1196
1197 -- If switch -n was used, simply output the path name
1198
1199 if Do_Nothing then
1200 Put_Line (Full_Name (1 .. Last));
1201
1202 -- Otherwise, delete the file if it is writable
1203
1204 else
1205 if Force_Deletions
1206 or else Is_Writable_File (Full_Name (1 .. Last))
1207 then
1208 Delete_File (Full_Name (1 .. Last), Success);
1209 else
1210 Success := False;
1211 end if;
1212
1213 if Verbose_Mode or else not Quiet_Output then
1214 if not Success then
1215 Put ("Warning: """);
1216 Put (Full_Name (1 .. Last));
1217 Put_Line (""" could not be deleted");
1218
1219 else
1220 Put ("""");
1221 Put (Full_Name (1 .. Last));
1222 Put_Line (""" has been deleted");
1223 end if;
1224 end if;
1225 end if;
1226 end Delete;
1227
1228 -----------------------------------
1229 -- Delete_Binder_Generated_Files --
1230 -----------------------------------
1231
1232 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id) is
1233 Source_Name : constant String := Get_Name_String (Source);
1234 Current : constant String := Get_Current_Dir;
1235 Last : constant Positive := B_Start'Length + Source_Name'Length;
1236 File_Name : String (1 .. Last + 4);
1237
1238 begin
1239 Change_Dir (Dir);
1240
1241 -- Build the file name (before the extension)
1242
1243 File_Name (1 .. B_Start'Length) := B_Start.all;
1244 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1245
1246 -- Spec
1247
1248 File_Name (Last + 1 .. Last + 4) := ".ads";
1249
1250 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1251 Delete (Dir, File_Name (1 .. Last + 4));
1252 end if;
1253
1254 -- Body
1255
1256 File_Name (Last + 1 .. Last + 4) := ".adb";
1257
1258 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1259 Delete (Dir, File_Name (1 .. Last + 4));
1260 end if;
1261
1262 -- ALI file
1263
1264 File_Name (Last + 1 .. Last + 4) := ".ali";
1265
1266 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1267 Delete (Dir, File_Name (1 .. Last + 4));
1268 end if;
1269
1270 -- Object file
1271
1272 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1273
1274 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1275 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1276 end if;
1277
1278 -- Change back to previous directory
1279
1280 Change_Dir (Current);
1281 end Delete_Binder_Generated_Files;
1282
1283 -----------------------
1284 -- Display_Copyright --
1285 -----------------------
1286
1287 procedure Display_Copyright is
1288 begin
1289 if not Copyright_Displayed then
1290 Copyright_Displayed := True;
1291 Put_Line
1292 ("GNATCLEAN " & Gnatvsn.Gnat_Version_String
1293 & " Copyright 2003-"
1294 & Current_Year
1295 & " Free Software Foundation, Inc.");
1296 end if;
1297 end Display_Copyright;
1298
1299 -------------
1300 -- Empty_Q --
1301 -------------
1302
1303 function Empty_Q return Boolean is
1304 begin
1305 return Q_Front >= Q.Last;
1306 end Empty_Q;
1307
1308 --------------------
1309 -- Extract_From_Q --
1310 --------------------
1311
1312 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1313 Lib : constant File_Name_Type := Q.Table (Q_Front);
1314 begin
1315 Q_Front := Q_Front + 1;
1316 Lib_File := Lib;
1317 end Extract_From_Q;
1318
1319 ---------------
1320 -- Gnatclean --
1321 ---------------
1322
1323 procedure Gnatclean is
1324 begin
1325 -- Do the necessary initializations
1326
1327 Clean.Initialize;
1328
1329 -- Parse the command line, getting the switches and the executable names
1330
1331 Parse_Cmd_Line;
1332
1333 if Verbose_Mode then
1334 Display_Copyright;
1335 end if;
1336
1337 if Project_File_Name /= null then
1338
1339 -- A project file was specified by a -P switch
1340
1341 if Opt.Verbose_Mode then
1342 New_Line;
1343 Put ("Parsing Project File """);
1344 Put (Project_File_Name.all);
1345 Put_Line (""".");
1346 New_Line;
1347 end if;
1348
1349 -- Set the project parsing verbosity to whatever was specified
1350 -- by a possible -vP switch.
1351
1352 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1353
1354 -- Parse the project file. If there is an error, Main_Project
1355 -- will still be No_Project.
1356
1357 Prj.Pars.Parse
1358 (Project => Main_Project,
1359 In_Tree => Project_Tree,
1360 Project_File_Name => Project_File_Name.all,
1361 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1362
1363 if Main_Project = No_Project then
1364 Fail ("""" & Project_File_Name.all & """ processing failed");
1365 end if;
1366
1367 if Opt.Verbose_Mode then
1368 New_Line;
1369 Put ("Parsing of Project File """);
1370 Put (Project_File_Name.all);
1371 Put (""" is finished.");
1372 New_Line;
1373 end if;
1374
1375 -- Add source directories and object directories to the search paths
1376
1377 Add_Source_Directories (Main_Project, Project_Tree);
1378 Add_Object_Directories (Main_Project, Project_Tree);
1379 end if;
1380
1381 Osint.Add_Default_Search_Dirs;
1382
1383 -- If a project file was specified, but no executable name, put all
1384 -- the mains of the project file (if any) as if there were on the
1385 -- command line.
1386
1387 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1388 declare
1389 Value : String_List_Id :=
1390 Project_Tree.Projects.Table (Main_Project).Mains;
1391 Main : String_Element;
1392 begin
1393 while Value /= Prj.Nil_String loop
1394 Main := Project_Tree.String_Elements.Table (Value);
1395 Osint.Add_File
1396 (File_Name => Get_Name_String (Main.Value),
1397 Index => Main.Index);
1398 Value := Main.Next;
1399 end loop;
1400 end;
1401 end if;
1402
1403 -- If neither a project file nor an executable were specified,
1404 -- output the usage and exit.
1405
1406 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1407 Usage;
1408 return;
1409 end if;
1410
1411 if Verbose_Mode then
1412 New_Line;
1413 end if;
1414
1415 if Main_Project /= No_Project then
1416
1417 -- If a project file has been specified, call Clean_Project with the
1418 -- project id of this project file, after resetting the list of
1419 -- processed projects.
1420
1421 Processed_Projects.Init;
1422 Clean_Project (Main_Project);
1423
1424 else
1425 -- If no project file has been specified, the work is done in
1426 -- Clean_Executables.
1427
1428 Clean_Executables;
1429 end if;
1430
1431 -- In verbose mode, if Delete has not been called, indicate that
1432 -- no file needs to be deleted.
1433
1434 if Verbose_Mode and (not File_Deleted) then
1435 New_Line;
1436
1437 if Do_Nothing then
1438 Put_Line ("No file needs to be deleted");
1439 else
1440 Put_Line ("No file has been deleted");
1441 end if;
1442 end if;
1443 end Gnatclean;
1444
1445 ------------------------
1446 -- In_Extension_Chain --
1447 ------------------------
1448
1449 function In_Extension_Chain
1450 (Of_Project : Project_Id;
1451 Prj : Project_Id) return Boolean
1452 is
1453 Data : Project_Data;
1454
1455 begin
1456 if Prj = No_Project or else Of_Project = No_Project then
1457 return False;
1458 end if;
1459
1460 if Of_Project = Prj then
1461 return True;
1462 end if;
1463
1464 Data := Project_Tree.Projects.Table (Of_Project);
1465
1466 while Data.Extends /= No_Project loop
1467 if Data.Extends = Prj then
1468 return True;
1469 end if;
1470
1471 Data := Project_Tree.Projects.Table (Data.Extends);
1472 end loop;
1473
1474 Data := Project_Tree.Projects.Table (Prj);
1475
1476 while Data.Extends /= No_Project loop
1477 if Data.Extends = Of_Project then
1478 return True;
1479 end if;
1480
1481 Data := Project_Tree.Projects.Table (Data.Extends);
1482 end loop;
1483
1484 return False;
1485 end In_Extension_Chain;
1486
1487 ------------
1488 -- Init_Q --
1489 ------------
1490
1491 procedure Init_Q is
1492 begin
1493 Q_Front := Q.First;
1494 Q.Set_Last (Q.First);
1495 end Init_Q;
1496
1497 ----------------
1498 -- Initialize --
1499 ----------------
1500
1501 procedure Initialize is
1502 begin
1503 if not Initialized then
1504 Initialized := True;
1505
1506 -- Get default search directories to locate system.ads when calling
1507 -- Targparm.Get_Target_Parameters.
1508
1509 Osint.Add_Default_Search_Dirs;
1510
1511 -- Initialize some packages
1512
1513 Csets.Initialize;
1514 Namet.Initialize;
1515 Snames.Initialize;
1516 Prj.Initialize (Project_Tree);
1517
1518 -- Check if the platform is VMS and, if it is, change some variables
1519
1520 Targparm.Get_Target_Parameters;
1521
1522 if OpenVMS_On_Target then
1523 Debug_Suffix (Debug_Suffix'First) := '_';
1524 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1525 B_Start := new String'("b__");
1526 end if;
1527 end if;
1528
1529 -- Reset global variables
1530
1531 Free (Object_Directory_Path);
1532 Do_Nothing := False;
1533 File_Deleted := False;
1534 Copyright_Displayed := False;
1535 Usage_Displayed := False;
1536 Free (Project_File_Name);
1537 Main_Project := Prj.No_Project;
1538 All_Projects := False;
1539 end Initialize;
1540
1541 --------------
1542 -- Insert_Q --
1543 --------------
1544
1545 procedure Insert_Q (Lib_File : File_Name_Type) is
1546 begin
1547 -- Do not insert an empty name or an already marked source
1548
1549 if Lib_File /= No_Name and then not Makeutl.Is_Marked (Lib_File) then
1550 Q.Table (Q.Last) := Lib_File;
1551 Q.Increment_Last;
1552
1553 -- Mark the source that has been just added to the Q
1554
1555 Makeutl.Mark (Lib_File);
1556 end if;
1557 end Insert_Q;
1558
1559 ----------------------
1560 -- Object_File_Name --
1561 ----------------------
1562
1563 function Object_File_Name (Source : Name_Id) return String is
1564 Src : constant String := Get_Name_String (Source);
1565
1566 begin
1567 -- If the source name has an extension, then replace it with
1568 -- the Object suffix.
1569
1570 for Index in reverse Src'First + 1 .. Src'Last loop
1571 if Src (Index) = '.' then
1572 return Src (Src'First .. Index - 1) & Object_Suffix;
1573 end if;
1574 end loop;
1575
1576 -- If there is no dot, or if it is the first character, just add the
1577 -- ALI suffix.
1578
1579 return Src & Object_Suffix;
1580 end Object_File_Name;
1581
1582 --------------------
1583 -- Parse_Cmd_Line --
1584 --------------------
1585
1586 procedure Parse_Cmd_Line is
1587 Source_Index : Int := 0;
1588 Index : Positive := 1;
1589 Last : constant Natural := Argument_Count;
1590
1591 begin
1592 while Index <= Last loop
1593 declare
1594 Arg : constant String := Argument (Index);
1595
1596 procedure Bad_Argument;
1597 -- Signal bad argument
1598
1599 ------------------
1600 -- Bad_Argument --
1601 ------------------
1602
1603 procedure Bad_Argument is
1604 begin
1605 Fail ("invalid argument """, Arg, """");
1606 end Bad_Argument;
1607
1608 begin
1609 if Arg'Length /= 0 then
1610 if Arg (1) = '-' then
1611 if Arg'Length = 1 then
1612 Bad_Argument;
1613 end if;
1614
1615 case Arg (2) is
1616 when 'a' =>
1617 if Arg'Length < 4 or else Arg (3) /= 'O' then
1618 Bad_Argument;
1619 end if;
1620
1621 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1622
1623 when 'c' =>
1624 Compile_Only := True;
1625
1626 when 'D' =>
1627 if Object_Directory_Path /= null then
1628 Fail ("duplicate -D switch");
1629
1630 elsif Project_File_Name /= null then
1631 Fail ("-P and -D cannot be used simultaneously");
1632 end if;
1633
1634 if Arg'Length > 2 then
1635 declare
1636 Dir : constant String := Arg (3 .. Arg'Last);
1637 begin
1638 if not Is_Directory (Dir) then
1639 Fail (Dir, " is not a directory");
1640 else
1641 Add_Lib_Search_Dir (Dir);
1642 end if;
1643 end;
1644
1645 else
1646 if Index = Last then
1647 Fail ("no directory specified after -D");
1648 end if;
1649
1650 Index := Index + 1;
1651
1652 declare
1653 Dir : constant String := Argument (Index);
1654 begin
1655 if not Is_Directory (Dir) then
1656 Fail (Dir, " is not a directory");
1657 else
1658 Add_Lib_Search_Dir (Dir);
1659 end if;
1660 end;
1661 end if;
1662
1663 when 'f' =>
1664 Force_Deletions := True;
1665
1666 when 'F' =>
1667 Full_Path_Name_For_Brief_Errors := True;
1668
1669 when 'h' =>
1670 Usage;
1671
1672 when 'i' =>
1673 if Arg'Length = 2 then
1674 Bad_Argument;
1675 end if;
1676
1677 Source_Index := 0;
1678
1679 for J in 3 .. Arg'Last loop
1680 if Arg (J) not in '0' .. '9' then
1681 Bad_Argument;
1682 end if;
1683
1684 Source_Index :=
1685 (20 * Source_Index) +
1686 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1687 end loop;
1688
1689 when 'I' =>
1690 if Arg = "-I-" then
1691 Opt.Look_In_Primary_Dir := False;
1692
1693 else
1694 if Arg'Length = 2 then
1695 Bad_Argument;
1696 end if;
1697
1698 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1699 end if;
1700
1701 when 'n' =>
1702 Do_Nothing := True;
1703
1704 when 'P' =>
1705 if Project_File_Name /= null then
1706 Fail ("multiple -P switches");
1707
1708 elsif Object_Directory_Path /= null then
1709 Fail ("-D and -P cannot be used simultaneously");
1710
1711 end if;
1712
1713 if Arg'Length > 2 then
1714 declare
1715 Prj : constant String := Arg (3 .. Arg'Last);
1716 begin
1717 if Prj'Length > 1 and then
1718 Prj (Prj'First) = '='
1719 then
1720 Project_File_Name :=
1721 new String'
1722 (Prj (Prj'First + 1 .. Prj'Last));
1723 else
1724 Project_File_Name := new String'(Prj);
1725 end if;
1726 end;
1727
1728 else
1729 if Index = Last then
1730 Fail ("no project specified after -P");
1731 end if;
1732
1733 Index := Index + 1;
1734 Project_File_Name := new String'(Argument (Index));
1735 end if;
1736
1737 when 'q' =>
1738 Quiet_Output := True;
1739
1740 when 'r' =>
1741 All_Projects := True;
1742
1743 when 'v' =>
1744 if Arg = "-v" then
1745 Verbose_Mode := True;
1746
1747 elsif Arg = "-vP0" then
1748 Current_Verbosity := Prj.Default;
1749
1750 elsif Arg = "-vP1" then
1751 Current_Verbosity := Prj.Medium;
1752
1753 elsif Arg = "-vP2" then
1754 Current_Verbosity := Prj.High;
1755
1756 else
1757 Bad_Argument;
1758 end if;
1759
1760 when 'X' =>
1761 if Arg'Length = 2 then
1762 Bad_Argument;
1763 end if;
1764
1765 declare
1766 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1767 Start : Positive := Ext_Asgn'First;
1768 Stop : Natural := Ext_Asgn'Last;
1769 Equal_Pos : Natural;
1770 OK : Boolean := True;
1771
1772 begin
1773 if Ext_Asgn (Start) = '"' then
1774 if Ext_Asgn (Stop) = '"' then
1775 Start := Start + 1;
1776 Stop := Stop - 1;
1777
1778 else
1779 OK := False;
1780 end if;
1781 end if;
1782
1783 Equal_Pos := Start;
1784
1785 while Equal_Pos <= Stop
1786 and then Ext_Asgn (Equal_Pos) /= '='
1787 loop
1788 Equal_Pos := Equal_Pos + 1;
1789 end loop;
1790
1791 if Equal_Pos = Start or else Equal_Pos > Stop then
1792 OK := False;
1793 end if;
1794
1795 if OK then
1796 Prj.Ext.Add
1797 (External_Name =>
1798 Ext_Asgn (Start .. Equal_Pos - 1),
1799 Value =>
1800 Ext_Asgn (Equal_Pos + 1 .. Stop));
1801
1802 else
1803 Fail
1804 ("illegal external assignment '",
1805 Ext_Asgn, "'");
1806 end if;
1807 end;
1808
1809 when others =>
1810 Bad_Argument;
1811 end case;
1812
1813 else
1814 Add_File (Arg, Source_Index);
1815 end if;
1816 end if;
1817 end;
1818
1819 Index := Index + 1;
1820 end loop;
1821 end Parse_Cmd_Line;
1822
1823 -----------------------
1824 -- Repinfo_File_Name --
1825 -----------------------
1826
1827 function Repinfo_File_Name (Source : Name_Id) return String is
1828 begin
1829 return Get_Name_String (Source) & Repinfo_Suffix;
1830 end Repinfo_File_Name;
1831
1832 --------------------
1833 -- Tree_File_Name --
1834 --------------------
1835
1836 function Tree_File_Name (Source : Name_Id) return String is
1837 Src : constant String := Get_Name_String (Source);
1838
1839 begin
1840 -- If the source name has an extension, then replace it with
1841 -- the tree suffix.
1842
1843 for Index in reverse Src'First + 1 .. Src'Last loop
1844 if Src (Index) = '.' then
1845 return Src (Src'First .. Index - 1) & Tree_Suffix;
1846 end if;
1847 end loop;
1848
1849 -- If there is no dot, or if it is the first character, just add the
1850 -- tree suffix.
1851
1852 return Src & Tree_Suffix;
1853 end Tree_File_Name;
1854
1855 ---------------------------
1856 -- Ultimate_Extension_Of --
1857 ---------------------------
1858
1859 function Ultimate_Extension_Of (Project : Project_Id) return Project_Id is
1860 Result : Project_Id := Project;
1861 Data : Project_Data;
1862
1863 begin
1864 if Project /= No_Project then
1865 loop
1866 Data := Project_Tree.Projects.Table (Result);
1867 exit when Data.Extended_By = No_Project;
1868 Result := Data.Extended_By;
1869 end loop;
1870 end if;
1871
1872 return Result;
1873 end Ultimate_Extension_Of;
1874
1875 -----------
1876 -- Usage --
1877 -----------
1878
1879 procedure Usage is
1880 begin
1881 if not Usage_Displayed then
1882 Usage_Displayed := True;
1883 Display_Copyright;
1884 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1885 New_Line;
1886
1887 Put_Line (" names is one or more file names from which " &
1888 "the .adb or .ads suffix may be omitted");
1889 Put_Line (" names may be omitted if -P<project> is specified");
1890 New_Line;
1891
1892 Put_Line (" -c Only delete compiler generated files");
1893 Put_Line (" -D dir Specify dir as the object library");
1894 Put_Line (" -f Force deletions of unwritable files");
1895 Put_Line (" -F Full project path name " &
1896 "in brief error messages");
1897 Put_Line (" -h Display this message");
1898 Put_Line (" -innn Index of unit in source for following names");
1899 Put_Line (" -n Nothing to do: only list files to delete");
1900 Put_Line (" -Pproj Use GNAT Project File proj");
1901 Put_Line (" -q Be quiet/terse");
1902 Put_Line (" -r Clean all projects recursively");
1903 Put_Line (" -v Verbose mode");
1904 Put_Line (" -vPx Specify verbosity when parsing " &
1905 "GNAT Project Files");
1906 Put_Line (" -Xnm=val Specify an external reference " &
1907 "for GNAT Project Files");
1908 New_Line;
1909
1910 Put_Line (" -aOdir Specify ALI/object files search path");
1911 Put_Line (" -Idir Like -aOdir");
1912 Put_Line (" -I- Don't look for source/library files " &
1913 "in the default directory");
1914 New_Line;
1915 end if;
1916 end Usage;
1917 end Clean;
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