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2011-11-06 François Dumont <fdumont@gcc.gnu.org>
[official-gcc.git] / gcc / ada / makeutl.adb
blobcfca418595ed91360882884d83e1c580cb2db0a7
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- M A K E U T L --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2004-2011, 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 Debug;
28 with Err_Vars; use Err_Vars;
29 with Errutil;
30 with Fname;
31 with Hostparm;
32 with Osint; use Osint;
33 with Output; use Output;
34 with Opt; use Opt;
35 with Prj.Com;
36 with Prj.Err;
37 with Prj.Ext;
38 with Prj.Util; use Prj.Util;
39 with Sinput.P;
40 with Tempdir;
41
42 with Ada.Command_Line; use Ada.Command_Line;
43 with Ada.Unchecked_Deallocation;
44
45 with GNAT.Case_Util; use GNAT.Case_Util;
46 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
47 with GNAT.HTable;
48 with GNAT.Regexp; use GNAT.Regexp;
49
50 package body Makeutl is
51
52 type Linker_Options_Data is record
53 Project : Project_Id;
54 Options : String_List_Id;
55 end record;
56
57 Linker_Option_Initial_Count : constant := 20;
58
59 Linker_Options_Buffer : String_List_Access :=
60 new String_List (1 .. Linker_Option_Initial_Count);
61
62 Last_Linker_Option : Natural := 0;
63
64 package Linker_Opts is new Table.Table (
65 Table_Component_Type => Linker_Options_Data,
66 Table_Index_Type => Integer,
67 Table_Low_Bound => 1,
68 Table_Initial => 10,
69 Table_Increment => 100,
70 Table_Name => "Make.Linker_Opts");
71
72 procedure Add_Linker_Option (Option : String);
73
74 ---------
75 -- Add --
76 ---------
77
78 procedure Add
79 (Option : String_Access;
80 To : in out String_List_Access;
81 Last : in out Natural)
82 is
83 begin
84 if Last = To'Last then
85 declare
86 New_Options : constant String_List_Access :=
87 new String_List (1 .. To'Last * 2);
88
89 begin
90 New_Options (To'Range) := To.all;
91
92 -- Set all elements of the original options to null to avoid
93 -- deallocation of copies.
94
95 To.all := (others => null);
96
97 Free (To);
98 To := New_Options;
99 end;
100 end if;
101
102 Last := Last + 1;
103 To (Last) := Option;
104 end Add;
105
106 procedure Add
107 (Option : String;
108 To : in out String_List_Access;
109 Last : in out Natural)
110 is
111 begin
112 Add (Option => new String'(Option), To => To, Last => Last);
113 end Add;
114
115 -----------------------
116 -- Add_Linker_Option --
117 -----------------------
118
119 procedure Add_Linker_Option (Option : String) is
120 begin
121 if Option'Length > 0 then
122 if Last_Linker_Option = Linker_Options_Buffer'Last then
123 declare
124 New_Buffer : constant String_List_Access :=
125 new String_List
126 (1 .. Linker_Options_Buffer'Last +
127 Linker_Option_Initial_Count);
128 begin
129 New_Buffer (Linker_Options_Buffer'Range) :=
130 Linker_Options_Buffer.all;
131 Linker_Options_Buffer.all := (others => null);
132 Free (Linker_Options_Buffer);
133 Linker_Options_Buffer := New_Buffer;
134 end;
135 end if;
136
137 Last_Linker_Option := Last_Linker_Option + 1;
138 Linker_Options_Buffer (Last_Linker_Option) := new String'(Option);
139 end if;
140 end Add_Linker_Option;
141
142 -------------------------
143 -- Base_Name_Index_For --
144 -------------------------
145
146 function Base_Name_Index_For
147 (Main : String;
148 Main_Index : Int;
149 Index_Separator : Character) return File_Name_Type
150 is
151 Result : File_Name_Type;
152
153 begin
154 Name_Len := 0;
155 Add_Str_To_Name_Buffer (Base_Name (Main));
156
157 -- Remove the extension, if any, that is the last part of the base name
158 -- starting with a dot and following some characters.
159
160 for J in reverse 2 .. Name_Len loop
161 if Name_Buffer (J) = '.' then
162 Name_Len := J - 1;
163 exit;
164 end if;
165 end loop;
166
167 -- Add the index info, if index is different from 0
168
169 if Main_Index > 0 then
170 Add_Char_To_Name_Buffer (Index_Separator);
171
172 declare
173 Img : constant String := Main_Index'Img;
174 begin
175 Add_Str_To_Name_Buffer (Img (2 .. Img'Last));
176 end;
177 end if;
178
179 Result := Name_Find;
180 return Result;
181 end Base_Name_Index_For;
182
183 ------------------------------
184 -- Check_Source_Info_In_ALI --
185 ------------------------------
186
187 function Check_Source_Info_In_ALI
188 (The_ALI : ALI_Id;
189 Tree : Project_Tree_Ref) return Boolean
190 is
191 Unit_Name : Name_Id;
192
193 begin
194 -- Loop through units
195
196 for U in ALIs.Table (The_ALI).First_Unit ..
197 ALIs.Table (The_ALI).Last_Unit
198 loop
199 -- Check if the file name is one of the source of the unit
200
201 Get_Name_String (Units.Table (U).Uname);
202 Name_Len := Name_Len - 2;
203 Unit_Name := Name_Find;
204
205 if File_Not_A_Source_Of (Tree, Unit_Name, Units.Table (U).Sfile) then
206 return False;
207 end if;
208
209 -- Loop to do same check for each of the withed units
210
211 for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
212 declare
213 WR : ALI.With_Record renames Withs.Table (W);
214
215 begin
216 if WR.Sfile /= No_File then
217 Get_Name_String (WR.Uname);
218 Name_Len := Name_Len - 2;
219 Unit_Name := Name_Find;
220
221 if File_Not_A_Source_Of (Tree, Unit_Name, WR.Sfile) then
222 return False;
223 end if;
224 end if;
225 end;
226 end loop;
227 end loop;
228
229 -- Loop to check subunits and replaced sources
230
231 for D in ALIs.Table (The_ALI).First_Sdep ..
232 ALIs.Table (The_ALI).Last_Sdep
233 loop
234 declare
235 SD : Sdep_Record renames Sdep.Table (D);
236
237 begin
238 Unit_Name := SD.Subunit_Name;
239
240 if Unit_Name = No_Name then
241
242 -- Check if this source file has been replaced by a source with
243 -- a different file name.
244
245 if Tree /= null and then Tree.Replaced_Source_Number > 0 then
246 declare
247 Replacement : constant File_Name_Type :=
248 Replaced_Source_HTable.Get
249 (Tree.Replaced_Sources, SD.Sfile);
250
251 begin
252 if Replacement /= No_File then
253 if Verbose_Mode then
254 Write_Line
255 ("source file" &
256 Get_Name_String (SD.Sfile) &
257 " has been replaced by " &
258 Get_Name_String (Replacement));
259 end if;
260
261 return False;
262 end if;
263 end;
264 end if;
265
266 else
267 -- For separates, the file is no longer associated with the
268 -- unit ("proc-sep.adb" is not associated with unit "proc.sep")
269 -- so we need to check whether the source file still exists in
270 -- the source tree: it will if it matches the naming scheme
271 -- (and then will be for the same unit).
272
273 if Find_Source
274 (In_Tree => Tree,
275 Project => No_Project,
276 Base_Name => SD.Sfile) = No_Source
277 then
278 -- If this is not a runtime file or if, when gnatmake switch
279 -- -a is used, we are not able to find this subunit in the
280 -- source directories, then recompilation is needed.
281
282 if not Fname.Is_Internal_File_Name (SD.Sfile)
283 or else
284 (Check_Readonly_Files
285 and then Full_Source_Name (SD.Sfile) = No_File)
286 then
287 if Verbose_Mode then
288 Write_Line
289 ("While parsing ALI file, file "
290 & Get_Name_String (SD.Sfile)
291 & " is indicated as containing subunit "
292 & Get_Name_String (Unit_Name)
293 & " but this does not match what was found while"
294 & " parsing the project. Will recompile");
295 end if;
296
297 return False;
298 end if;
299 end if;
300 end if;
301 end;
302 end loop;
303
304 return True;
305 end Check_Source_Info_In_ALI;
306
307 --------------------------------
308 -- Create_Binder_Mapping_File --
309 --------------------------------
310
311 function Create_Binder_Mapping_File
312 (Project_Tree : Project_Tree_Ref) return Path_Name_Type
313 is
314 Mapping_Path : Path_Name_Type := No_Path;
315
316 Mapping_FD : File_Descriptor := Invalid_FD;
317 -- A File Descriptor for an eventual mapping file
318
319 ALI_Unit : Unit_Name_Type := No_Unit_Name;
320 -- The unit name of an ALI file
321
322 ALI_Name : File_Name_Type := No_File;
323 -- The file name of the ALI file
324
325 ALI_Project : Project_Id := No_Project;
326 -- The project of the ALI file
327
328 Bytes : Integer;
329 OK : Boolean := False;
330 Unit : Unit_Index;
331
332 Status : Boolean;
333 -- For call to Close
334
335 begin
336 Tempdir.Create_Temp_File (Mapping_FD, Mapping_Path);
337 Record_Temp_File (Project_Tree.Shared, Mapping_Path);
338
339 if Mapping_FD /= Invalid_FD then
340 OK := True;
341
342 -- Traverse all units
343
344 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
345 while Unit /= No_Unit_Index loop
346 if Unit.Name /= No_Name then
347
348 -- If there is a body, put it in the mapping
349
350 if Unit.File_Names (Impl) /= No_Source
351 and then Unit.File_Names (Impl).Project /= No_Project
352 then
353 Get_Name_String (Unit.Name);
354 Add_Str_To_Name_Buffer ("%b");
355 ALI_Unit := Name_Find;
356 ALI_Name :=
357 Lib_File_Name (Unit.File_Names (Impl).Display_File);
358 ALI_Project := Unit.File_Names (Impl).Project;
359
360 -- Otherwise, if there is a spec, put it in the mapping
361
362 elsif Unit.File_Names (Spec) /= No_Source
363 and then Unit.File_Names (Spec).Project /= No_Project
364 then
365 Get_Name_String (Unit.Name);
366 Add_Str_To_Name_Buffer ("%s");
367 ALI_Unit := Name_Find;
368 ALI_Name :=
369 Lib_File_Name (Unit.File_Names (Spec).Display_File);
370 ALI_Project := Unit.File_Names (Spec).Project;
371
372 else
373 ALI_Name := No_File;
374 end if;
375
376 -- If we have something to put in the mapping then do it now.
377 -- However, if the project is extended, we don't put anything
378 -- in the mapping file, since we don't know where the ALI file
379 -- is: it might be in the extended project object directory as
380 -- well as in the extending project object directory.
381
382 if ALI_Name /= No_File
383 and then ALI_Project.Extended_By = No_Project
384 and then ALI_Project.Extends = No_Project
385 then
386 -- First check if the ALI file exists. If it does not, do
387 -- not put the unit in the mapping file.
388
389 declare
390 ALI : constant String := Get_Name_String (ALI_Name);
391
392 begin
393 -- For library projects, use the library ALI directory,
394 -- for other projects, use the object directory.
395
396 if ALI_Project.Library then
397 Get_Name_String
398 (ALI_Project.Library_ALI_Dir.Display_Name);
399 else
400 Get_Name_String
401 (ALI_Project.Object_Directory.Display_Name);
402 end if;
403
404 Add_Str_To_Name_Buffer (ALI);
405 Add_Char_To_Name_Buffer (ASCII.LF);
406
407 declare
408 ALI_Path_Name : constant String :=
409 Name_Buffer (1 .. Name_Len);
410
411 begin
412 if Is_Regular_File
413 (ALI_Path_Name (1 .. ALI_Path_Name'Last - 1))
414 then
415 -- First line is the unit name
416
417 Get_Name_String (ALI_Unit);
418 Add_Char_To_Name_Buffer (ASCII.LF);
419 Bytes :=
420 Write
421 (Mapping_FD,
422 Name_Buffer (1)'Address,
423 Name_Len);
424 OK := Bytes = Name_Len;
425
426 exit when not OK;
427
428 -- Second line it the ALI file name
429
430 Get_Name_String (ALI_Name);
431 Add_Char_To_Name_Buffer (ASCII.LF);
432 Bytes :=
433 Write
434 (Mapping_FD,
435 Name_Buffer (1)'Address,
436 Name_Len);
437 OK := (Bytes = Name_Len);
438
439 exit when not OK;
440
441 -- Third line it the ALI path name
442
443 Bytes :=
444 Write
445 (Mapping_FD,
446 ALI_Path_Name (1)'Address,
447 ALI_Path_Name'Length);
448 OK := (Bytes = ALI_Path_Name'Length);
449
450 -- If OK is False, it means we were unable to
451 -- write a line. No point in continuing with the
452 -- other units.
453
454 exit when not OK;
455 end if;
456 end;
457 end;
458 end if;
459 end if;
460
461 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
462 end loop;
463
464 Close (Mapping_FD, Status);
465
466 OK := OK and Status;
467 end if;
468
469 -- If the creation of the mapping file was successful, we add the switch
470 -- to the arguments of gnatbind.
471
472 if OK then
473 return Mapping_Path;
474
475 else
476 return No_Path;
477 end if;
478 end Create_Binder_Mapping_File;
479
480 -----------------
481 -- Create_Name --
482 -----------------
483
484 function Create_Name (Name : String) return File_Name_Type is
485 begin
486 Name_Len := 0;
487 Add_Str_To_Name_Buffer (Name);
488 return Name_Find;
489 end Create_Name;
490
491 function Create_Name (Name : String) return Name_Id is
492 begin
493 Name_Len := 0;
494 Add_Str_To_Name_Buffer (Name);
495 return Name_Find;
496 end Create_Name;
497
498 function Create_Name (Name : String) return Path_Name_Type is
499 begin
500 Name_Len := 0;
501 Add_Str_To_Name_Buffer (Name);
502 return Name_Find;
503 end Create_Name;
504
505 ----------------------------
506 -- Executable_Prefix_Path --
507 ----------------------------
508
509 function Executable_Prefix_Path return String is
510 Exec_Name : constant String := Command_Name;
511
512 function Get_Install_Dir (S : String) return String;
513 -- S is the executable name preceded by the absolute or relative path,
514 -- e.g. "c:\usr\bin\gcc.exe". Returns the absolute directory where "bin"
515 -- lies (in the example "C:\usr"). If the executable is not in a "bin"
516 -- directory, return "".
517
518 ---------------------
519 -- Get_Install_Dir --
520 ---------------------
521
522 function Get_Install_Dir (S : String) return String is
523 Exec : String := S;
524 Path_Last : Integer := 0;
525
526 begin
527 for J in reverse Exec'Range loop
528 if Exec (J) = Directory_Separator then
529 Path_Last := J - 1;
530 exit;
531 end if;
532 end loop;
533
534 if Path_Last >= Exec'First + 2 then
535 To_Lower (Exec (Path_Last - 2 .. Path_Last));
536 end if;
537
538 if Path_Last < Exec'First + 2
539 or else Exec (Path_Last - 2 .. Path_Last) /= "bin"
540 or else (Path_Last - 3 >= Exec'First
541 and then Exec (Path_Last - 3) /= Directory_Separator)
542 then
543 return "";
544 end if;
545
546 return Normalize_Pathname
547 (Exec (Exec'First .. Path_Last - 4),
548 Resolve_Links => Opt.Follow_Links_For_Dirs)
549 & Directory_Separator;
550 end Get_Install_Dir;
551
552 -- Beginning of Executable_Prefix_Path
553
554 begin
555 -- For VMS, the path returned is always /gnu/
556
557 if Hostparm.OpenVMS then
558 return "/gnu/";
559 end if;
560
561 -- First determine if a path prefix was placed in front of the
562 -- executable name.
563
564 for J in reverse Exec_Name'Range loop
565 if Exec_Name (J) = Directory_Separator then
566 return Get_Install_Dir (Exec_Name);
567 end if;
568 end loop;
569
570 -- If we get here, the user has typed the executable name with no
571 -- directory prefix.
572
573 declare
574 Path : String_Access := Locate_Exec_On_Path (Exec_Name);
575 begin
576 if Path = null then
577 return "";
578 else
579 declare
580 Dir : constant String := Get_Install_Dir (Path.all);
581 begin
582 Free (Path);
583 return Dir;
584 end;
585 end if;
586 end;
587 end Executable_Prefix_Path;
588
589 ------------------
590 -- Fail_Program --
591 ------------------
592
593 procedure Fail_Program
594 (Project_Tree : Project_Tree_Ref;
595 S : String;
596 Flush_Messages : Boolean := True)
597 is
598 begin
599 if Flush_Messages then
600 if Total_Errors_Detected /= 0 or else Warnings_Detected /= 0 then
601 Errutil.Finalize;
602 end if;
603 end if;
604
605 Finish_Program (Project_Tree, E_Fatal, S => S);
606 end Fail_Program;
607
608 --------------------
609 -- Finish_Program --
610 --------------------
611
612 procedure Finish_Program
613 (Project_Tree : Project_Tree_Ref;
614 Exit_Code : Osint.Exit_Code_Type := Osint.E_Success;
615 S : String := "")
616 is
617 begin
618 if not Debug.Debug_Flag_N then
619 Delete_Temp_Config_Files (Project_Tree);
620
621 if Project_Tree /= null then
622 Delete_All_Temp_Files (Project_Tree.Shared);
623 end if;
624 end if;
625
626 if S'Length > 0 then
627 if Exit_Code /= E_Success then
628 Osint.Fail (S);
629 else
630 Write_Str (S);
631 end if;
632 end if;
633
634 -- Output Namet statistics
635
636 Namet.Finalize;
637
638 Exit_Program (Exit_Code);
639 end Finish_Program;
640
641 --------------------------
642 -- File_Not_A_Source_Of --
643 --------------------------
644
645 function File_Not_A_Source_Of
646 (Project_Tree : Project_Tree_Ref;
647 Uname : Name_Id;
648 Sfile : File_Name_Type) return Boolean
649 is
650 Unit : constant Unit_Index :=
651 Units_Htable.Get (Project_Tree.Units_HT, Uname);
652
653 At_Least_One_File : Boolean := False;
654
655 begin
656 if Unit /= No_Unit_Index then
657 for F in Unit.File_Names'Range loop
658 if Unit.File_Names (F) /= null then
659 At_Least_One_File := True;
660 if Unit.File_Names (F).File = Sfile then
661 return False;
662 end if;
663 end if;
664 end loop;
665
666 if not At_Least_One_File then
667
668 -- The unit was probably created initially for a separate unit
669 -- (which are initially created as IMPL when both suffixes are the
670 -- same). Later on, Override_Kind changed the type of the file,
671 -- and the unit is no longer valid in fact.
672
673 return False;
674 end if;
675
676 Verbose_Msg (Uname, "sources do not include ", Name_Id (Sfile));
677 return True;
678 end if;
679
680 return False;
681 end File_Not_A_Source_Of;
682
683 ---------------------
684 -- Get_Directories --
685 ---------------------
686
687 procedure Get_Directories
688 (Project_Tree : Project_Tree_Ref;
689 For_Project : Project_Id;
690 Activity : Activity_Type;
691 Languages : Name_Ids)
692 is
693
694 procedure Recursive_Add
695 (Project : Project_Id;
696 Tree : Project_Tree_Ref;
697 Extended : in out Boolean);
698 -- Add all the source directories of a project to the path only if
699 -- this project has not been visited. Calls itself recursively for
700 -- projects being extended, and imported projects.
701
702 procedure Add_Dir (Value : Path_Name_Type);
703 -- Add directory Value in table Directories, if it is defined and not
704 -- already there.
705
706 -------------
707 -- Add_Dir --
708 -------------
709
710 procedure Add_Dir (Value : Path_Name_Type) is
711 Add_It : Boolean := True;
712
713 begin
714 if Value /= No_Path then
715 for Index in 1 .. Directories.Last loop
716 if Directories.Table (Index) = Value then
717 Add_It := False;
718 exit;
719 end if;
720 end loop;
721
722 if Add_It then
723 Directories.Increment_Last;
724 Directories.Table (Directories.Last) := Value;
725 end if;
726 end if;
727 end Add_Dir;
728
729 -------------------
730 -- Recursive_Add --
731 -------------------
732
733 procedure Recursive_Add
734 (Project : Project_Id;
735 Tree : Project_Tree_Ref;
736 Extended : in out Boolean)
737 is
738 Current : String_List_Id;
739 Dir : String_Element;
740 OK : Boolean := False;
741 Lang_Proc : Language_Ptr := Project.Languages;
742 begin
743 -- Add to path all directories of this project
744
745 if Activity = Compilation then
746 Lang_Loop :
747 while Lang_Proc /= No_Language_Index loop
748 for J in Languages'Range loop
749 OK := Lang_Proc.Name = Languages (J);
750 exit Lang_Loop when OK;
751 end loop;
752
753 Lang_Proc := Lang_Proc.Next;
754 end loop Lang_Loop;
755
756 if OK then
757 Current := Project.Source_Dirs;
758
759 while Current /= Nil_String loop
760 Dir := Tree.Shared.String_Elements.Table (Current);
761 Add_Dir (Path_Name_Type (Dir.Value));
762 Current := Dir.Next;
763 end loop;
764 end if;
765
766 elsif Project.Library then
767 if Activity = SAL_Binding and then Extended then
768 Add_Dir (Project.Object_Directory.Display_Name);
769
770 else
771 Add_Dir (Project.Library_ALI_Dir.Display_Name);
772 end if;
773
774 else
775 Add_Dir (Project.Object_Directory.Display_Name);
776 end if;
777
778 if Project.Extends = No_Project then
779 Extended := False;
780 end if;
781 end Recursive_Add;
782
783 procedure For_All_Projects is
784 new For_Every_Project_Imported (Boolean, Recursive_Add);
785
786 Extended : Boolean := True;
787
788 -- Start of processing for Get_Directories
789
790 begin
791 Directories.Init;
792 For_All_Projects (For_Project, Project_Tree, Extended);
793 end Get_Directories;
794
795 ------------------
796 -- Get_Switches --
797 ------------------
798
799 procedure Get_Switches
800 (Source : Prj.Source_Id;
801 Pkg_Name : Name_Id;
802 Project_Tree : Project_Tree_Ref;
803 Value : out Variable_Value;
804 Is_Default : out Boolean)
805 is
806 begin
807 Get_Switches
808 (Source_File => Source.File,
809 Source_Lang => Source.Language.Name,
810 Source_Prj => Source.Project,
811 Pkg_Name => Pkg_Name,
812 Project_Tree => Project_Tree,
813 Value => Value,
814 Is_Default => Is_Default);
815 end Get_Switches;
816
817 ------------------
818 -- Get_Switches --
819 ------------------
820
821 procedure Get_Switches
822 (Source_File : File_Name_Type;
823 Source_Lang : Name_Id;
824 Source_Prj : Project_Id;
825 Pkg_Name : Name_Id;
826 Project_Tree : Project_Tree_Ref;
827 Value : out Variable_Value;
828 Is_Default : out Boolean;
829 Test_Without_Suffix : Boolean := False;
830 Check_ALI_Suffix : Boolean := False)
831 is
832 Project : constant Project_Id :=
833 Ultimate_Extending_Project_Of (Source_Prj);
834 Pkg : constant Package_Id :=
835 Prj.Util.Value_Of
836 (Name => Pkg_Name,
837 In_Packages => Project.Decl.Packages,
838 Shared => Project_Tree.Shared);
839 Lang : Language_Ptr;
840
841 begin
842 Is_Default := False;
843
844 if Source_File /= No_File then
845 Value := Prj.Util.Value_Of
846 (Name => Name_Id (Source_File),
847 Attribute_Or_Array_Name => Name_Switches,
848 In_Package => Pkg,
849 Shared => Project_Tree.Shared,
850 Allow_Wildcards => True);
851 end if;
852
853 if Value = Nil_Variable_Value and then Test_Without_Suffix then
854 Lang :=
855 Get_Language_From_Name (Project, Get_Name_String (Source_Lang));
856
857 if Lang /= null then
858 declare
859 Naming : Lang_Naming_Data renames Lang.Config.Naming_Data;
860 SF_Name : constant String := Get_Name_String (Source_File);
861 Last : Positive := SF_Name'Length;
862 Name : String (1 .. Last + 3);
863 Spec_Suffix : String := Get_Name_String (Naming.Spec_Suffix);
864 Body_Suffix : String := Get_Name_String (Naming.Body_Suffix);
865 Truncated : Boolean := False;
866
867 begin
868 Canonical_Case_File_Name (Spec_Suffix);
869 Canonical_Case_File_Name (Body_Suffix);
870 Name (1 .. Last) := SF_Name;
871
872 if Last > Body_Suffix'Length
873 and then
874 Name (Last - Body_Suffix'Length + 1 .. Last) = Body_Suffix
875 then
876 Truncated := True;
877 Last := Last - Body_Suffix'Length;
878 end if;
879
880 if not Truncated
881 and then Last > Spec_Suffix'Length
882 and then
883 Name (Last - Spec_Suffix'Length + 1 .. Last) = Spec_Suffix
884 then
885 Truncated := True;
886 Last := Last - Spec_Suffix'Length;
887 end if;
888
889 if Truncated then
890 Name_Len := 0;
891 Add_Str_To_Name_Buffer (Name (1 .. Last));
892
893 Value := Prj.Util.Value_Of
894 (Name => Name_Find,
895 Attribute_Or_Array_Name => Name_Switches,
896 In_Package => Pkg,
897 Shared => Project_Tree.Shared,
898 Allow_Wildcards => True);
899 end if;
900
901 if Value = Nil_Variable_Value and then Check_ALI_Suffix then
902 Last := SF_Name'Length;
903 while Name (Last) /= '.' loop
904 Last := Last - 1;
905 end loop;
906
907 Name_Len := 0;
908 Add_Str_To_Name_Buffer (Name (1 .. Last));
909 Add_Str_To_Name_Buffer ("ali");
910
911 Value := Prj.Util.Value_Of
912 (Name => Name_Find,
913 Attribute_Or_Array_Name => Name_Switches,
914 In_Package => Pkg,
915 Shared => Project_Tree.Shared,
916 Allow_Wildcards => True);
917 end if;
918 end;
919 end if;
920 end if;
921
922 if Value = Nil_Variable_Value then
923 Is_Default := True;
924 Value :=
925 Prj.Util.Value_Of
926 (Name => Source_Lang,
927 Attribute_Or_Array_Name => Name_Switches,
928 In_Package => Pkg,
929 Shared => Project_Tree.Shared,
930 Force_Lower_Case_Index => True);
931 end if;
932
933 if Value = Nil_Variable_Value then
934 Value :=
935 Prj.Util.Value_Of
936 (Name => All_Other_Names,
937 Attribute_Or_Array_Name => Name_Switches,
938 In_Package => Pkg,
939 Shared => Project_Tree.Shared,
940 Force_Lower_Case_Index => True);
941 end if;
942
943 if Value = Nil_Variable_Value then
944 Value :=
945 Prj.Util.Value_Of
946 (Name => Source_Lang,
947 Attribute_Or_Array_Name => Name_Default_Switches,
948 In_Package => Pkg,
949 Shared => Project_Tree.Shared);
950 end if;
951 end Get_Switches;
952
953 ------------
954 -- Inform --
955 ------------
956
957 procedure Inform (N : File_Name_Type; Msg : String) is
958 begin
959 Inform (Name_Id (N), Msg);
960 end Inform;
961
962 procedure Inform (N : Name_Id := No_Name; Msg : String) is
963 begin
964 Osint.Write_Program_Name;
965
966 Write_Str (": ");
967
968 if N /= No_Name then
969 Write_Str ("""");
970
971 declare
972 Name : constant String := Get_Name_String (N);
973 begin
974 if Debug.Debug_Flag_F and then Is_Absolute_Path (Name) then
975 Write_Str (File_Name (Name));
976 else
977 Write_Str (Name);
978 end if;
979 end;
980
981 Write_Str (""" ");
982 end if;
983
984 Write_Str (Msg);
985 Write_Eol;
986 end Inform;
987
988 ------------------------------
989 -- Initialize_Source_Record --
990 ------------------------------
991
992 procedure Initialize_Source_Record (Source : Prj.Source_Id) is
993
994 procedure Set_Object_Project
995 (Obj_Dir : String;
996 Obj_Proj : Project_Id;
997 Obj_Path : Path_Name_Type;
998 Stamp : Time_Stamp_Type);
999 -- Update information about object file, switches file,...
1000
1001 ------------------------
1002 -- Set_Object_Project --
1003 ------------------------
1004
1005 procedure Set_Object_Project
1006 (Obj_Dir : String;
1007 Obj_Proj : Project_Id;
1008 Obj_Path : Path_Name_Type;
1009 Stamp : Time_Stamp_Type) is
1010 begin
1011 Source.Object_Project := Obj_Proj;
1012 Source.Object_Path := Obj_Path;
1013 Source.Object_TS := Stamp;
1014
1015 if Source.Language.Config.Dependency_Kind /= None then
1016 declare
1017 Dep_Path : constant String :=
1018 Normalize_Pathname
1019 (Name =>
1020 Get_Name_String (Source.Dep_Name),
1021 Resolve_Links => Opt.Follow_Links_For_Files,
1022 Directory => Obj_Dir);
1023 begin
1024 Source.Dep_Path := Create_Name (Dep_Path);
1025 Source.Dep_TS := Osint.Unknown_Attributes;
1026 end;
1027 end if;
1028
1029 -- Get the path of the switches file, even if Opt.Check_Switches is
1030 -- not set, as switch -s may be in the Builder switches that have not
1031 -- been scanned yet.
1032
1033 declare
1034 Switches_Path : constant String :=
1035 Normalize_Pathname
1036 (Name =>
1037 Get_Name_String (Source.Switches),
1038 Resolve_Links => Opt.Follow_Links_For_Files,
1039 Directory => Obj_Dir);
1040 begin
1041 Source.Switches_Path := Create_Name (Switches_Path);
1042
1043 if Stamp /= Empty_Time_Stamp then
1044 Source.Switches_TS := File_Stamp (Source.Switches_Path);
1045 end if;
1046 end;
1047 end Set_Object_Project;
1048
1049 Obj_Proj : Project_Id;
1050
1051 begin
1052 -- Nothing to do if source record has already been fully initialized
1053
1054 if Source.Initialized then
1055 return;
1056 end if;
1057
1058 -- Systematically recompute the time stamp
1059
1060 Source.Source_TS := File_Stamp (Source.Path.Display_Name);
1061
1062 -- Parse the source file to check whether we have a subunit
1063
1064 if Source.Language.Config.Kind = Unit_Based
1065 and then Source.Kind = Impl
1066 and then Is_Subunit (Source)
1067 then
1068 Source.Kind := Sep;
1069 end if;
1070
1071 if Source.Language.Config.Object_Generated
1072 and then Is_Compilable (Source)
1073 then
1074 -- First, get the correct object file name and dependency file name
1075 -- if the source is in a multi-unit file.
1076
1077 if Source.Index /= 0 then
1078 Source.Object :=
1079 Object_Name
1080 (Source_File_Name => Source.File,
1081 Source_Index => Source.Index,
1082 Index_Separator =>
1083 Source.Language.Config.Multi_Unit_Object_Separator,
1084 Object_File_Suffix =>
1085 Source.Language.Config.Object_File_Suffix);
1086
1087 Source.Dep_Name :=
1088 Dependency_Name
1089 (Source.Object, Source.Language.Config.Dependency_Kind);
1090 end if;
1091
1092 -- Find the object file for that source. It could be either in the
1093 -- current project or in an extended project (it might actually not
1094 -- exist yet in the ultimate extending project, but if not found
1095 -- elsewhere that's where we'll expect to find it).
1096
1097 Obj_Proj := Source.Project;
1098
1099 while Obj_Proj /= No_Project loop
1100 declare
1101 Dir : constant String :=
1102 Get_Name_String
1103 (Obj_Proj.Object_Directory.Display_Name);
1104
1105 Object_Path : constant String :=
1106 Normalize_Pathname
1107 (Name =>
1108 Get_Name_String (Source.Object),
1109 Resolve_Links => Opt.Follow_Links_For_Files,
1110 Directory => Dir);
1111
1112 Obj_Path : constant Path_Name_Type := Create_Name (Object_Path);
1113 Stamp : Time_Stamp_Type := Empty_Time_Stamp;
1114
1115 begin
1116 -- For specs, we do not check object files if there is a body.
1117 -- This saves a system call. On the other hand, we do need to
1118 -- know the object_path, in case the user has passed the .ads
1119 -- on the command line to compile the spec only.
1120
1121 if Source.Kind /= Spec
1122 or else Source.Unit = No_Unit_Index
1123 or else Source.Unit.File_Names (Impl) = No_Source
1124 then
1125 Stamp := File_Stamp (Obj_Path);
1126 end if;
1127
1128 if Stamp /= Empty_Time_Stamp
1129 or else (Obj_Proj.Extended_By = No_Project
1130 and then Source.Object_Project = No_Project)
1131 then
1132 Set_Object_Project (Dir, Obj_Proj, Obj_Path, Stamp);
1133 end if;
1134
1135 Obj_Proj := Obj_Proj.Extended_By;
1136 end;
1137 end loop;
1138
1139 elsif Source.Language.Config.Dependency_Kind = Makefile then
1140 declare
1141 Object_Dir : constant String :=
1142 Get_Name_String
1143 (Source.Project.Object_Directory.Display_Name);
1144 Dep_Path : constant String :=
1145 Normalize_Pathname
1146 (Name => Get_Name_String (Source.Dep_Name),
1147 Resolve_Links =>
1148 Opt.Follow_Links_For_Files,
1149 Directory => Object_Dir);
1150 begin
1151 Source.Dep_Path := Create_Name (Dep_Path);
1152 Source.Dep_TS := Osint.Unknown_Attributes;
1153 end;
1154 end if;
1155
1156 Source.Initialized := True;
1157 end Initialize_Source_Record;
1158
1159 ----------------------------
1160 -- Is_External_Assignment --
1161 ----------------------------
1162
1163 function Is_External_Assignment
1164 (Env : Prj.Tree.Environment;
1165 Argv : String) return Boolean
1166 is
1167 Start : Positive := 3;
1168 Finish : Natural := Argv'Last;
1169
1170 pragma Assert (Argv'First = 1);
1171 pragma Assert (Argv (1 .. 2) = "-X");
1172
1173 begin
1174 if Argv'Last < 5 then
1175 return False;
1176
1177 elsif Argv (3) = '"' then
1178 if Argv (Argv'Last) /= '"' or else Argv'Last < 7 then
1179 return False;
1180 else
1181 Start := 4;
1182 Finish := Argv'Last - 1;
1183 end if;
1184 end if;
1185
1186 return Prj.Ext.Check
1187 (Self => Env.External,
1188 Declaration => Argv (Start .. Finish));
1189 end Is_External_Assignment;
1190
1191 ----------------
1192 -- Is_Subunit --
1193 ----------------
1194
1195 function Is_Subunit (Source : Prj.Source_Id) return Boolean is
1196 Src_Ind : Source_File_Index;
1197
1198 begin
1199 if Source.Kind = Sep then
1200 return True;
1201
1202 -- A Spec, a file based language source or a body with a spec cannot be
1203 -- a subunit.
1204
1205 elsif Source.Kind = Spec
1206 or else Source.Unit = No_Unit_Index
1207 or else Other_Part (Source) /= No_Source
1208 then
1209 return False;
1210 end if;
1211
1212 -- Here, we are assuming that the language is Ada, as it is the only
1213 -- unit based language that we know.
1214
1215 Src_Ind :=
1216 Sinput.P.Load_Project_File
1217 (Get_Name_String (Source.Path.Display_Name));
1218
1219 return Sinput.P.Source_File_Is_Subunit (Src_Ind);
1220 end Is_Subunit;
1221
1222 -----------------------------
1223 -- Linker_Options_Switches --
1224 -----------------------------
1225
1226 function Linker_Options_Switches
1227 (Project : Project_Id;
1228 Do_Fail : Fail_Proc;
1229 In_Tree : Project_Tree_Ref) return String_List
1230 is
1231 procedure Recursive_Add
1232 (Proj : Project_Id;
1233 In_Tree : Project_Tree_Ref;
1234 Dummy : in out Boolean);
1235 -- The recursive routine used to add linker options
1236
1237 -------------------
1238 -- Recursive_Add --
1239 -------------------
1240
1241 procedure Recursive_Add
1242 (Proj : Project_Id;
1243 In_Tree : Project_Tree_Ref;
1244 Dummy : in out Boolean)
1245 is
1246 pragma Unreferenced (Dummy);
1247
1248 Linker_Package : Package_Id;
1249 Options : Variable_Value;
1250
1251 begin
1252 Linker_Package :=
1253 Prj.Util.Value_Of
1254 (Name => Name_Linker,
1255 In_Packages => Proj.Decl.Packages,
1256 Shared => In_Tree.Shared);
1257
1258 Options :=
1259 Prj.Util.Value_Of
1260 (Name => Name_Ada,
1261 Index => 0,
1262 Attribute_Or_Array_Name => Name_Linker_Options,
1263 In_Package => Linker_Package,
1264 Shared => In_Tree.Shared);
1265
1266 -- If attribute is present, add the project with the attribute to
1267 -- table Linker_Opts.
1268
1269 if Options /= Nil_Variable_Value then
1270 Linker_Opts.Increment_Last;
1271 Linker_Opts.Table (Linker_Opts.Last) :=
1272 (Project => Proj, Options => Options.Values);
1273 end if;
1274 end Recursive_Add;
1275
1276 procedure For_All_Projects is
1277 new For_Every_Project_Imported (Boolean, Recursive_Add);
1278
1279 Dummy : Boolean := False;
1280
1281 -- Start of processing for Linker_Options_Switches
1282
1283 begin
1284 Linker_Opts.Init;
1285
1286 For_All_Projects (Project, In_Tree, Dummy, Imported_First => True);
1287
1288 Last_Linker_Option := 0;
1289
1290 for Index in reverse 1 .. Linker_Opts.Last loop
1291 declare
1292 Options : String_List_Id;
1293 Proj : constant Project_Id :=
1294 Linker_Opts.Table (Index).Project;
1295 Option : Name_Id;
1296 Dir_Path : constant String :=
1297 Get_Name_String (Proj.Directory.Name);
1298
1299 begin
1300 Options := Linker_Opts.Table (Index).Options;
1301 while Options /= Nil_String loop
1302 Option := In_Tree.Shared.String_Elements.Table (Options).Value;
1303 Get_Name_String (Option);
1304
1305 -- Do not consider empty linker options
1306
1307 if Name_Len /= 0 then
1308 Add_Linker_Option (Name_Buffer (1 .. Name_Len));
1309
1310 -- Object files and -L switches specified with relative
1311 -- paths must be converted to absolute paths.
1312
1313 Test_If_Relative_Path
1314 (Switch => Linker_Options_Buffer (Last_Linker_Option),
1315 Parent => Dir_Path,
1316 Do_Fail => Do_Fail,
1317 Including_L_Switch => True);
1318 end if;
1319
1320 Options := In_Tree.Shared.String_Elements.Table (Options).Next;
1321 end loop;
1322 end;
1323 end loop;
1324
1325 return Linker_Options_Buffer (1 .. Last_Linker_Option);
1326 end Linker_Options_Switches;
1327
1328 -----------
1329 -- Mains --
1330 -----------
1331
1332 package body Mains is
1333
1334 package Names is new Table.Table
1335 (Table_Component_Type => Main_Info,
1336 Table_Index_Type => Integer,
1337 Table_Low_Bound => 1,
1338 Table_Initial => 10,
1339 Table_Increment => 100,
1340 Table_Name => "Makeutl.Mains.Names");
1341 -- The table that stores the mains
1342
1343 Current : Natural := 0;
1344 -- The index of the last main retrieved from the table
1345
1346 Count_Of_Mains_With_No_Tree : Natural := 0;
1347 -- Number of main units for which we do not know the project tree
1348
1349 --------------
1350 -- Add_Main --
1351 --------------
1352
1353 procedure Add_Main
1354 (Name : String;
1355 Index : Int := 0;
1356 Location : Source_Ptr := No_Location;
1357 Project : Project_Id := No_Project;
1358 Tree : Project_Tree_Ref := null)
1359 is
1360 begin
1361 if Current_Verbosity = High then
1362 Debug_Output ("Add_Main """ & Name & """ " & Index'Img
1363 & " with_tree? "
1364 & Boolean'Image (Tree /= null));
1365 end if;
1366
1367 Name_Len := 0;
1368 Add_Str_To_Name_Buffer (Name);
1369 Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len));
1370
1371 Names.Increment_Last;
1372 Names.Table (Names.Last) :=
1373 (Name_Find, Index, Location, No_Source, Project, Tree);
1374
1375 if Tree /= null then
1376 Builder_Data (Tree).Number_Of_Mains :=
1377 Builder_Data (Tree).Number_Of_Mains + 1;
1378
1379 else
1380 Mains.Count_Of_Mains_With_No_Tree :=
1381 Mains.Count_Of_Mains_With_No_Tree + 1;
1382 end if;
1383 end Add_Main;
1384
1385 --------------------
1386 -- Complete_Mains --
1387 --------------------
1388
1389 procedure Complete_Mains
1390 (Flags : Processing_Flags;
1391 Root_Project : Project_Id;
1392 Project_Tree : Project_Tree_Ref)
1393 is
1394 procedure Do_Complete (Project : Project_Id; Tree : Project_Tree_Ref);
1395 -- Check the mains for this specific project
1396
1397 procedure Complete_All is new For_Project_And_Aggregated
1398 (Do_Complete);
1399
1400 procedure Add_Multi_Unit_Sources
1401 (Tree : Project_Tree_Ref;
1402 Source : Prj.Source_Id);
1403 -- Add all units from the same file as the multi-unit Source
1404
1405 function Find_File_Add_Extension
1406 (Tree : Project_Tree_Ref;
1407 Base_Main : String) return Prj.Source_Id;
1408 -- Search for Main in the project, adding body or spec extensions
1409
1410 ----------------------------
1411 -- Add_Multi_Unit_Sources --
1412 ----------------------------
1413
1414 procedure Add_Multi_Unit_Sources
1415 (Tree : Project_Tree_Ref;
1416 Source : Prj.Source_Id)
1417 is
1418 Iter : Source_Iterator;
1419 Src : Prj.Source_Id;
1420
1421 begin
1422 Debug_Output
1423 ("found multi-unit source file in project", Source.Project.Name);
1424
1425 Iter := For_Each_Source
1426 (In_Tree => Tree, Project => Source.Project);
1427
1428 while Element (Iter) /= No_Source loop
1429 Src := Element (Iter);
1430
1431 if Src.File = Source.File
1432 and then Src.Index /= Source.Index
1433 then
1434 if Src.File = Source.File then
1435 Debug_Output
1436 ("add main in project, index=" & Src.Index'Img);
1437 end if;
1438
1439 Names.Increment_Last;
1440 Names.Table (Names.Last) :=
1441 (File => Src.File,
1442 Index => Src.Index,
1443 Location => No_Location,
1444 Source => Src,
1445 Project => Src.Project,
1446 Tree => Tree);
1447
1448 Builder_Data (Tree).Number_Of_Mains :=
1449 Builder_Data (Tree).Number_Of_Mains + 1;
1450 end if;
1451
1452 Next (Iter);
1453 end loop;
1454 end Add_Multi_Unit_Sources;
1455
1456 -----------------------------
1457 -- Find_File_Add_Extension --
1458 -----------------------------
1459
1460 function Find_File_Add_Extension
1461 (Tree : Project_Tree_Ref;
1462 Base_Main : String) return Prj.Source_Id
1463 is
1464 Spec_Source : Prj.Source_Id := No_Source;
1465 Source : Prj.Source_Id;
1466 Iter : Source_Iterator;
1467 Suffix : File_Name_Type;
1468
1469 begin
1470 Source := No_Source;
1471 Iter := For_Each_Source (Tree); -- In all projects
1472 loop
1473 Source := Prj.Element (Iter);
1474 exit when Source = No_Source;
1475
1476 if Source.Kind = Impl then
1477 Get_Name_String (Source.File);
1478
1479 if Name_Len > Base_Main'Length
1480 and then Name_Buffer (1 .. Base_Main'Length) = Base_Main
1481 then
1482 Suffix :=
1483 Source.Language.Config.Naming_Data.Body_Suffix;
1484
1485 if Suffix /= No_File then
1486 declare
1487 Suffix_Str : String := Get_Name_String (Suffix);
1488 begin
1489 Canonical_Case_File_Name (Suffix_Str);
1490 exit when
1491 Name_Buffer (Base_Main'Length + 1 .. Name_Len) =
1492 Suffix_Str;
1493 end;
1494 end if;
1495 end if;
1496
1497 elsif Source.Kind = Spec then
1498 -- A spec needs to be taken into account unless there is
1499 -- also a body. So we delay the decision for them.
1500
1501 Get_Name_String (Source.File);
1502
1503 if Name_Len > Base_Main'Length
1504 and then Name_Buffer (1 .. Base_Main'Length) = Base_Main
1505 then
1506 Suffix := Source.Language.Config.Naming_Data.Spec_Suffix;
1507
1508 if Suffix /= No_File then
1509 declare
1510 Suffix_Str : String := Get_Name_String (Suffix);
1511
1512 begin
1513 Canonical_Case_File_Name (Suffix_Str);
1514
1515 if Name_Buffer (Base_Main'Length + 1 .. Name_Len) =
1516 Suffix_Str
1517 then
1518 Spec_Source := Source;
1519 end if;
1520 end;
1521 end if;
1522 end if;
1523 end if;
1524
1525 Next (Iter);
1526 end loop;
1527
1528 if Source = No_Source then
1529 Source := Spec_Source;
1530 end if;
1531
1532 return Source;
1533 end Find_File_Add_Extension;
1534
1535 -----------------
1536 -- Do_Complete --
1537 -----------------
1538
1539 procedure Do_Complete
1540 (Project : Project_Id; Tree : Project_Tree_Ref)
1541 is
1542 begin
1543 if Mains.Number_Of_Mains (Tree) > 0
1544 or else Mains.Count_Of_Mains_With_No_Tree > 0
1545 then
1546 -- Traverse in reverse order, since in the case of multi-unit
1547 -- files we will be adding extra files at the end, and there's
1548 -- no need to process them in turn.
1549
1550 for J in reverse Names.First .. Names.Last loop
1551 declare
1552 File : Main_Info := Names.Table (J);
1553 Main_Id : File_Name_Type := File.File;
1554 Main : constant String :=
1555 Get_Name_String (Main_Id);
1556 Base : constant String := Base_Name (Main);
1557 Source : Prj.Source_Id := No_Source;
1558 Is_Absolute : Boolean := False;
1559
1560 begin
1561 if Base /= Main then
1562 Is_Absolute := True;
1563
1564 if Is_Absolute_Path (Main) then
1565 Main_Id := Create_Name (Base);
1566
1567 -- Not an absolute path
1568
1569 else
1570 -- Always resolve links here, so that users can be
1571 -- specify any name on the command line. If the
1572 -- project itself uses links, the user will be
1573 -- using -eL anyway, and thus files are also stored
1574 -- with resolved names.
1575
1576 declare
1577 Absolute : constant String :=
1578 Normalize_Pathname
1579 (Name => Main,
1580 Directory => "",
1581 Resolve_Links => True,
1582 Case_Sensitive => False);
1583 begin
1584 File.File := Create_Name (Absolute);
1585 Main_Id := Create_Name (Base);
1586 end;
1587 end if;
1588 end if;
1589
1590 -- If no project or tree was specified for the main, it
1591 -- came from the command line.
1592 -- Note that the assignments below will not modify inside
1593 -- the table itself.
1594
1595 if File.Project = null then
1596 File.Project := Project;
1597 end if;
1598
1599 if File.Tree = null then
1600 File.Tree := Tree;
1601 end if;
1602
1603 if File.Source = null then
1604 if Current_Verbosity = High then
1605 Debug_Output
1606 ("search for main """ & Main
1607 & '"' & File.Index'Img & " in "
1608 & Get_Name_String (Debug_Name (File.Tree))
1609 & ", project", Project.Name);
1610 end if;
1611
1612 -- First, look for the main as specified. We need to
1613 -- search for the base name though, and if needed
1614 -- check later that we found the correct file.
1615
1616 Source := Find_Source
1617 (In_Tree => File.Tree,
1618 Project => File.Project,
1619 Base_Name => Main_Id,
1620 Index => File.Index,
1621 In_Imported_Only => True);
1622
1623 if Source = No_Source then
1624 Source := Find_File_Add_Extension
1625 (Tree, Get_Name_String (Main_Id));
1626 end if;
1627
1628 if Is_Absolute
1629 and then Source /= No_Source
1630 and then
1631 File_Name_Type (Source.Path.Name) /= File.File
1632 then
1633 Debug_Output
1634 ("Found a non-matching file",
1635 Name_Id (Source.Path.Display_Name));
1636 Source := No_Source;
1637 end if;
1638
1639 if Source /= No_Source then
1640
1641 -- If we have found a multi-unit source file but
1642 -- did not specify an index initially, we'll need
1643 -- to compile all the units from the same source
1644 -- file.
1645
1646 if Source.Index /= 0 and then File.Index = 0 then
1647 Add_Multi_Unit_Sources (File.Tree, Source);
1648 end if;
1649
1650 -- Now update the original Main, otherwise it will
1651 -- be reported as not found.
1652
1653 Debug_Output
1654 ("found main in project", Source.Project.Name);
1655 Names.Table (J).File := Source.File;
1656 Names.Table (J).Project := Source.Project;
1657
1658 if Names.Table (J).Tree = null then
1659 Names.Table (J).Tree := File.Tree;
1660
1661 Builder_Data (File.Tree).Number_Of_Mains :=
1662 Builder_Data (File.Tree).Number_Of_Mains + 1;
1663 Mains.Count_Of_Mains_With_No_Tree :=
1664 Mains.Count_Of_Mains_With_No_Tree - 1;
1665 end if;
1666
1667 Names.Table (J).Source := Source;
1668 Names.Table (J).Index := Source.Index;
1669
1670 elsif File.Location /= No_Location then
1671
1672 -- If the main is declared in package Builder of
1673 -- the main project, report an error. If the main
1674 -- is on the command line, it may be a main from
1675 -- another project, so do nothing: if the main does
1676 -- not exist in another project, an error will be
1677 -- reported later.
1678
1679 Error_Msg_File_1 := Main_Id;
1680 Error_Msg_Name_1 := Root_Project.Name;
1681 Prj.Err.Error_Msg
1682 (Flags, "{ is not a source of project %%",
1683 File.Location, Project);
1684 end if;
1685 end if;
1686 end;
1687 end loop;
1688 end if;
1689
1690 if Total_Errors_Detected > 0 then
1691 Fail_Program (Tree, "problems with main sources");
1692 end if;
1693 end Do_Complete;
1694
1695 -- Start of processing for Complete_Mains
1696
1697 begin
1698 Complete_All (Root_Project, Project_Tree);
1699
1700 if Mains.Count_Of_Mains_With_No_Tree > 0 then
1701 for J in Names.First .. Names.Last loop
1702 if Names.Table (J).Source = No_Source then
1703 Fail_Program
1704 (Project_Tree, '"' & Get_Name_String (Names.Table (J).File)
1705 & """ is not a source of any project");
1706 end if;
1707 end loop;
1708 end if;
1709 end Complete_Mains;
1710
1711 ------------
1712 -- Delete --
1713 ------------
1714
1715 procedure Delete is
1716 begin
1717 Names.Set_Last (0);
1718 Mains.Reset;
1719 end Delete;
1720
1721 -----------------------
1722 -- Fill_From_Project --
1723 -----------------------
1724
1725 procedure Fill_From_Project
1726 (Root_Project : Project_Id;
1727 Project_Tree : Project_Tree_Ref)
1728 is
1729 procedure Add_Mains_From_Project
1730 (Project : Project_Id;
1731 Tree : Project_Tree_Ref);
1732 -- Add the main units from this project into Mains.
1733 -- This takes into account the aggregated projects
1734
1735 ----------------------------
1736 -- Add_Mains_From_Project --
1737 ----------------------------
1738
1739 procedure Add_Mains_From_Project
1740 (Project : Project_Id;
1741 Tree : Project_Tree_Ref)
1742 is
1743 List : String_List_Id;
1744 Element : String_Element;
1745
1746 begin
1747 if Number_Of_Mains (Tree) = 0
1748 and then Mains.Count_Of_Mains_With_No_Tree = 0
1749 then
1750 Debug_Output ("Add_Mains_From_Project", Project.Name);
1751 List := Project.Mains;
1752
1753 if List /= Prj.Nil_String then
1754
1755 -- The attribute Main is not an empty list. Get the mains in
1756 -- the list.
1757
1758 while List /= Prj.Nil_String loop
1759 Element := Tree.Shared.String_Elements.Table (List);
1760 Debug_Output ("Add_Main", Element.Value);
1761
1762 if Project.Library then
1763 Fail_Program
1764 (Tree,
1765 "cannot specify a main program " &
1766 "for a library project file");
1767 end if;
1768
1769 Add_Main (Name => Get_Name_String (Element.Value),
1770 Index => Element.Index,
1771 Location => Element.Location,
1772 Project => Project,
1773 Tree => Tree);
1774 List := Element.Next;
1775 end loop;
1776 end if;
1777 end if;
1778
1779 if Total_Errors_Detected > 0 then
1780 Fail_Program (Tree, "problems with main sources");
1781 end if;
1782 end Add_Mains_From_Project;
1783
1784 procedure Fill_All is new For_Project_And_Aggregated
1785 (Add_Mains_From_Project);
1786
1787 -- Start of processing for Fill_From_Project
1788
1789 begin
1790 Fill_All (Root_Project, Project_Tree);
1791 end Fill_From_Project;
1792
1793 ---------------
1794 -- Next_Main --
1795 ---------------
1796
1797 function Next_Main return String is
1798 Info : constant Main_Info := Next_Main;
1799 begin
1800 if Info = No_Main_Info then
1801 return "";
1802 else
1803 return Get_Name_String (Info.File);
1804 end if;
1805 end Next_Main;
1806
1807 function Next_Main return Main_Info is
1808 begin
1809 if Current >= Names.Last then
1810 return No_Main_Info;
1811 else
1812 Current := Current + 1;
1813
1814 -- If not using projects, and in the gnatmake case, the main file
1815 -- may have not have the extension. Try ".adb" first then ".ads"
1816
1817 if Names.Table (Current).Project = No_Project then
1818 declare
1819 Orig_Main : constant File_Name_Type :=
1820 Names.Table (Current).File;
1821 Current_Main : File_Name_Type;
1822
1823 begin
1824 if Strip_Suffix (Orig_Main) = Orig_Main then
1825 Get_Name_String (Orig_Main);
1826 Add_Str_To_Name_Buffer (".adb");
1827 Current_Main := Name_Find;
1828
1829 if Full_Source_Name (Current_Main) = No_File then
1830 Get_Name_String (Orig_Main);
1831 Add_Str_To_Name_Buffer (".ads");
1832 Current_Main := Name_Find;
1833
1834 if Full_Source_Name (Current_Main) /= No_File then
1835 Names.Table (Current).File := Current_Main;
1836 end if;
1837
1838 else
1839 Names.Table (Current).File := Current_Main;
1840 end if;
1841 end if;
1842 end;
1843 end if;
1844
1845 return Names.Table (Current);
1846 end if;
1847 end Next_Main;
1848
1849 ---------------------
1850 -- Number_Of_Mains --
1851 ---------------------
1852
1853 function Number_Of_Mains (Tree : Project_Tree_Ref) return Natural is
1854 begin
1855 if Tree = null then
1856 return Names.Last;
1857 else
1858 return Builder_Data (Tree).Number_Of_Mains;
1859 end if;
1860 end Number_Of_Mains;
1861
1862 -----------
1863 -- Reset --
1864 -----------
1865
1866 procedure Reset is
1867 begin
1868 Current := 0;
1869 end Reset;
1870
1871 --------------------------
1872 -- Set_Multi_Unit_Index --
1873 --------------------------
1874
1875 procedure Set_Multi_Unit_Index
1876 (Project_Tree : Project_Tree_Ref := null;
1877 Index : Int := 0)
1878 is
1879 begin
1880 if Index /= 0 then
1881 if Names.Last = 0 then
1882 Fail_Program
1883 (Project_Tree,
1884 "cannot specify a multi-unit index but no main " &
1885 "on the command line");
1886
1887 elsif Names.Last > 1 then
1888 Fail_Program
1889 (Project_Tree,
1890 "cannot specify several mains with a multi-unit index");
1891
1892 else
1893 Names.Table (Names.Last).Index := Index;
1894 end if;
1895 end if;
1896 end Set_Multi_Unit_Index;
1897
1898 end Mains;
1899
1900 -----------------------
1901 -- Path_Or_File_Name --
1902 -----------------------
1903
1904 function Path_Or_File_Name (Path : Path_Name_Type) return String is
1905 Path_Name : constant String := Get_Name_String (Path);
1906 begin
1907 if Debug.Debug_Flag_F then
1908 return File_Name (Path_Name);
1909 else
1910 return Path_Name;
1911 end if;
1912 end Path_Or_File_Name;
1913
1914 ---------------------------
1915 -- Test_If_Relative_Path --
1916 ---------------------------
1917
1918 procedure Test_If_Relative_Path
1919 (Switch : in out String_Access;
1920 Parent : String;
1921 Do_Fail : Fail_Proc;
1922 Including_L_Switch : Boolean := True;
1923 Including_Non_Switch : Boolean := True;
1924 Including_RTS : Boolean := False)
1925 is
1926 begin
1927 if Switch /= null then
1928 declare
1929 Sw : String (1 .. Switch'Length);
1930 Start : Positive;
1931
1932 begin
1933 Sw := Switch.all;
1934
1935 if Sw (1) = '-' then
1936 if Sw'Length >= 3
1937 and then (Sw (2) = 'A'
1938 or else Sw (2) = 'I'
1939 or else (Including_L_Switch and then Sw (2) = 'L'))
1940 then
1941 Start := 3;
1942
1943 if Sw = "-I-" then
1944 return;
1945 end if;
1946
1947 elsif Sw'Length >= 4
1948 and then (Sw (2 .. 3) = "aL"
1949 or else
1950 Sw (2 .. 3) = "aO"
1951 or else
1952 Sw (2 .. 3) = "aI")
1953 then
1954 Start := 4;
1955
1956 elsif Including_RTS
1957 and then Sw'Length >= 7
1958 and then Sw (2 .. 6) = "-RTS="
1959 then
1960 Start := 7;
1961
1962 else
1963 return;
1964 end if;
1965
1966 -- Because relative path arguments to --RTS= may be relative to
1967 -- the search directory prefix, those relative path arguments
1968 -- are converted only when they include directory information.
1969
1970 if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then
1971 if Parent'Length = 0 then
1972 Do_Fail
1973 ("relative search path switches ("""
1974 & Sw
1975 & """) are not allowed");
1976
1977 elsif Including_RTS then
1978 for J in Start .. Sw'Last loop
1979 if Sw (J) = Directory_Separator then
1980 Switch :=
1981 new String'
1982 (Sw (1 .. Start - 1) &
1983 Parent &
1984 Directory_Separator &
1985 Sw (Start .. Sw'Last));
1986 return;
1987 end if;
1988 end loop;
1989
1990 else
1991 Switch :=
1992 new String'
1993 (Sw (1 .. Start - 1) &
1994 Parent &
1995 Directory_Separator &
1996 Sw (Start .. Sw'Last));
1997 end if;
1998 end if;
1999
2000 elsif Including_Non_Switch then
2001 if not Is_Absolute_Path (Sw) then
2002 if Parent'Length = 0 then
2003 Do_Fail
2004 ("relative paths (""" & Sw & """) are not allowed");
2005 else
2006 Switch := new String'(Parent & Directory_Separator & Sw);
2007 end if;
2008 end if;
2009 end if;
2010 end;
2011 end if;
2012 end Test_If_Relative_Path;
2013
2014 -------------------
2015 -- Unit_Index_Of --
2016 -------------------
2017
2018 function Unit_Index_Of (ALI_File : File_Name_Type) return Int is
2019 Start : Natural;
2020 Finish : Natural;
2021 Result : Int := 0;
2022
2023 begin
2024 Get_Name_String (ALI_File);
2025
2026 -- First, find the last dot
2027
2028 Finish := Name_Len;
2029
2030 while Finish >= 1 and then Name_Buffer (Finish) /= '.' loop
2031 Finish := Finish - 1;
2032 end loop;
2033
2034 if Finish = 1 then
2035 return 0;
2036 end if;
2037
2038 -- Now check that the dot is preceded by digits
2039
2040 Start := Finish;
2041 Finish := Finish - 1;
2042 while Start >= 1 and then Name_Buffer (Start - 1) in '0' .. '9' loop
2043 Start := Start - 1;
2044 end loop;
2045
2046 -- If there are no digits, or if the digits are not preceded by the
2047 -- character that precedes a unit index, this is not the ALI file of
2048 -- a unit in a multi-unit source.
2049
2050 if Start > Finish
2051 or else Start = 1
2052 or else Name_Buffer (Start - 1) /= Multi_Unit_Index_Character
2053 then
2054 return 0;
2055 end if;
2056
2057 -- Build the index from the digit(s)
2058
2059 while Start <= Finish loop
2060 Result := Result * 10 +
2061 Character'Pos (Name_Buffer (Start)) - Character'Pos ('0');
2062 Start := Start + 1;
2063 end loop;
2064
2065 return Result;
2066 end Unit_Index_Of;
2067
2068 -----------------
2069 -- Verbose_Msg --
2070 -----------------
2071
2072 procedure Verbose_Msg
2073 (N1 : Name_Id;
2074 S1 : String;
2075 N2 : Name_Id := No_Name;
2076 S2 : String := "";
2077 Prefix : String := " -> ";
2078 Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
2079 is
2080 begin
2081 if not Opt.Verbose_Mode
2082 or else Minimum_Verbosity > Opt.Verbosity_Level
2083 then
2084 return;
2085 end if;
2086
2087 Write_Str (Prefix);
2088 Write_Str ("""");
2089 Write_Name (N1);
2090 Write_Str (""" ");
2091 Write_Str (S1);
2092
2093 if N2 /= No_Name then
2094 Write_Str (" """);
2095 Write_Name (N2);
2096 Write_Str (""" ");
2097 end if;
2098
2099 Write_Str (S2);
2100 Write_Eol;
2101 end Verbose_Msg;
2102
2103 procedure Verbose_Msg
2104 (N1 : File_Name_Type;
2105 S1 : String;
2106 N2 : File_Name_Type := No_File;
2107 S2 : String := "";
2108 Prefix : String := " -> ";
2109 Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
2110 is
2111 begin
2112 Verbose_Msg
2113 (Name_Id (N1), S1, Name_Id (N2), S2, Prefix, Minimum_Verbosity);
2114 end Verbose_Msg;
2115
2116 -----------
2117 -- Queue --
2118 -----------
2119
2120 package body Queue is
2121
2122 type Q_Record is record
2123 Info : Source_Info;
2124 Processed : Boolean;
2125 end record;
2126
2127 package Q is new Table.Table
2128 (Table_Component_Type => Q_Record,
2129 Table_Index_Type => Natural,
2130 Table_Low_Bound => 1,
2131 Table_Initial => 1000,
2132 Table_Increment => 100,
2133 Table_Name => "Makeutl.Queue.Q");
2134 -- This is the actual Queue
2135
2136 package Busy_Obj_Dirs is new GNAT.HTable.Simple_HTable
2137 (Header_Num => Prj.Header_Num,
2138 Element => Boolean,
2139 No_Element => False,
2140 Key => Path_Name_Type,
2141 Hash => Hash,
2142 Equal => "=");
2143
2144 type Mark_Key is record
2145 File : File_Name_Type;
2146 Index : Int;
2147 end record;
2148 -- Identify either a mono-unit source (when Index = 0) or a specific
2149 -- unit (index = 1's origin index of unit) in a multi-unit source.
2150
2151 Max_Mask_Num : constant := 2048;
2152 subtype Mark_Num is Union_Id range 0 .. Max_Mask_Num - 1;
2153
2154 function Hash (Key : Mark_Key) return Mark_Num;
2155
2156 package Marks is new GNAT.HTable.Simple_HTable
2157 (Header_Num => Mark_Num,
2158 Element => Boolean,
2159 No_Element => False,
2160 Key => Mark_Key,
2161 Hash => Hash,
2162 Equal => "=");
2163 -- A hash table to keep tracks of the marked units.
2164 -- These are the units that have already been processed, when using the
2165 -- gnatmake format. When using the gprbuild format, we can directly
2166 -- store in the source_id whether the file has already been processed.
2167
2168 procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
2169 -- Mark a unit, identified by its source file and, when Index is not 0,
2170 -- the index of the unit in the source file. Marking is used to signal
2171 -- that the unit has already been inserted in the Q.
2172
2173 function Is_Marked
2174 (Source_File : File_Name_Type;
2175 Index : Int := 0) return Boolean;
2176 -- Returns True if the unit was previously marked
2177
2178 Q_Processed : Natural := 0;
2179 Q_Initialized : Boolean := False;
2180
2181 Q_First : Natural := 1;
2182 -- Points to the first valid element in the queue
2183
2184 One_Queue_Per_Obj_Dir : Boolean := False;
2185 -- See parameter to Initialize
2186
2187 function Available_Obj_Dir (S : Source_Info) return Boolean;
2188 -- Whether the object directory for S is available for a build
2189
2190 procedure Debug_Display (S : Source_Info);
2191 -- A debug display for S
2192
2193 function Was_Processed (S : Source_Info) return Boolean;
2194 -- Whether S has already been processed. This marks the source as
2195 -- processed, if it hasn't already been processed.
2196
2197 function Insert_No_Roots (Source : Source_Info) return Boolean;
2198 -- Insert Source, but do not look for its roots (see doc for Insert)
2199
2200 -------------------
2201 -- Was_Processed --
2202 -------------------
2203
2204 function Was_Processed (S : Source_Info) return Boolean is
2205 begin
2206 case S.Format is
2207 when Format_Gprbuild =>
2208 if S.Id.In_The_Queue then
2209 return True;
2210 end if;
2211
2212 S.Id.In_The_Queue := True;
2213
2214 when Format_Gnatmake =>
2215 if Is_Marked (S.File, S.Index) then
2216 return True;
2217 end if;
2218
2219 Mark (S.File, Index => S.Index);
2220 end case;
2221
2222 return False;
2223 end Was_Processed;
2224
2225 -----------------------
2226 -- Available_Obj_Dir --
2227 -----------------------
2228
2229 function Available_Obj_Dir (S : Source_Info) return Boolean is
2230 begin
2231 case S.Format is
2232 when Format_Gprbuild =>
2233 return not Busy_Obj_Dirs.Get
2234 (S.Id.Project.Object_Directory.Name);
2235
2236 when Format_Gnatmake =>
2237 return S.Project = No_Project
2238 or else
2239 not Busy_Obj_Dirs.Get (S.Project.Object_Directory.Name);
2240 end case;
2241 end Available_Obj_Dir;
2242
2243 -------------------
2244 -- Debug_Display --
2245 -------------------
2246
2247 procedure Debug_Display (S : Source_Info) is
2248 begin
2249 case S.Format is
2250 when Format_Gprbuild =>
2251 Write_Name (S.Id.File);
2252
2253 if S.Id.Index /= 0 then
2254 Write_Str (", ");
2255 Write_Int (S.Id.Index);
2256 end if;
2257
2258 when Format_Gnatmake =>
2259 Write_Name (S.File);
2260
2261 if S.Index /= 0 then
2262 Write_Str (", ");
2263 Write_Int (S.Index);
2264 end if;
2265 end case;
2266 end Debug_Display;
2267
2268 ----------
2269 -- Hash --
2270 ----------
2271
2272 function Hash (Key : Mark_Key) return Mark_Num is
2273 begin
2274 return Union_Id (Key.File) mod Max_Mask_Num;
2275 end Hash;
2276
2277 ---------------
2278 -- Is_Marked --
2279 ---------------
2280
2281 function Is_Marked
2282 (Source_File : File_Name_Type;
2283 Index : Int := 0) return Boolean
2284 is
2285 begin
2286 return Marks.Get (K => (File => Source_File, Index => Index));
2287 end Is_Marked;
2288
2289 ----------
2290 -- Mark --
2291 ----------
2292
2293 procedure Mark (Source_File : File_Name_Type; Index : Int := 0) is
2294 begin
2295 Marks.Set (K => (File => Source_File, Index => Index), E => True);
2296 end Mark;
2297
2298 -------------
2299 -- Extract --
2300 -------------
2301
2302 procedure Extract
2303 (Found : out Boolean;
2304 Source : out Source_Info)
2305 is
2306 begin
2307 Found := False;
2308
2309 if One_Queue_Per_Obj_Dir then
2310 for J in Q_First .. Q.Last loop
2311 if not Q.Table (J).Processed
2312 and then Available_Obj_Dir (Q.Table (J).Info)
2313 then
2314 Found := True;
2315 Source := Q.Table (J).Info;
2316 Q.Table (J).Processed := True;
2317
2318 if J = Q_First then
2319 while Q_First <= Q.Last
2320 and then Q.Table (Q_First).Processed
2321 loop
2322 Q_First := Q_First + 1;
2323 end loop;
2324 end if;
2325
2326 exit;
2327 end if;
2328 end loop;
2329
2330 elsif Q_First <= Q.Last then
2331 Source := Q.Table (Q_First).Info;
2332 Q.Table (Q_First).Processed := True;
2333 Q_First := Q_First + 1;
2334 Found := True;
2335 end if;
2336
2337 if Found then
2338 Q_Processed := Q_Processed + 1;
2339 end if;
2340
2341 if Found and then Debug.Debug_Flag_Q then
2342 Write_Str (" Q := Q - [ ");
2343 Debug_Display (Source);
2344 Write_Str (" ]");
2345 Write_Eol;
2346
2347 Write_Str (" Q_First =");
2348 Write_Int (Int (Q_First));
2349 Write_Eol;
2350
2351 Write_Str (" Q.Last =");
2352 Write_Int (Int (Q.Last));
2353 Write_Eol;
2354 end if;
2355 end Extract;
2356
2357 ---------------
2358 -- Processed --
2359 ---------------
2360
2361 function Processed return Natural is
2362 begin
2363 return Q_Processed;
2364 end Processed;
2365
2366 ----------------
2367 -- Initialize --
2368 ----------------
2369
2370 procedure Initialize
2371 (Queue_Per_Obj_Dir : Boolean;
2372 Force : Boolean := False)
2373 is
2374 begin
2375 if Force or else not Q_Initialized then
2376 Q_Initialized := True;
2377
2378 for J in 1 .. Q.Last loop
2379 case Q.Table (J).Info.Format is
2380 when Format_Gprbuild =>
2381 Q.Table (J).Info.Id.In_The_Queue := False;
2382 when Format_Gnatmake =>
2383 null;
2384 end case;
2385 end loop;
2386
2387 Q.Init;
2388 Q_Processed := 0;
2389 Q_First := 1;
2390 One_Queue_Per_Obj_Dir := Queue_Per_Obj_Dir;
2391 end if;
2392 end Initialize;
2393
2394 ---------------------
2395 -- Insert_No_Roots --
2396 ---------------------
2397
2398 function Insert_No_Roots (Source : Source_Info) return Boolean is
2399 begin
2400 pragma Assert
2401 (Source.Format = Format_Gnatmake or else Source.Id /= No_Source);
2402
2403 -- Only insert in the Q if it is not already done, to avoid
2404 -- simultaneous compilations if -jnnn is used.
2405
2406 if Was_Processed (Source) then
2407 return False;
2408 end if;
2409
2410 if Current_Verbosity = High then
2411 Write_Str ("Adding """);
2412 Debug_Display (Source);
2413 Write_Line (""" to the queue");
2414 end if;
2415
2416 Q.Append (New_Val => (Info => Source, Processed => False));
2417
2418 if Debug.Debug_Flag_Q then
2419 Write_Str (" Q := Q + [ ");
2420 Debug_Display (Source);
2421 Write_Str (" ] ");
2422 Write_Eol;
2423
2424 Write_Str (" Q_First =");
2425 Write_Int (Int (Q_First));
2426 Write_Eol;
2427
2428 Write_Str (" Q.Last =");
2429 Write_Int (Int (Q.Last));
2430 Write_Eol;
2431 end if;
2432
2433 return True;
2434 end Insert_No_Roots;
2435
2436 ------------
2437 -- Insert --
2438 ------------
2439
2440 function Insert
2441 (Source : Source_Info;
2442 With_Roots : Boolean := False) return Boolean
2443 is
2444 Root_Arr : Array_Element_Id;
2445 Roots : Variable_Value;
2446 List : String_List_Id;
2447 Elem : String_Element;
2448 Unit_Name : Name_Id;
2449 Pat_Root : Boolean;
2450 Root_Pattern : Regexp;
2451 Root_Found : Boolean;
2452 Roots_Found : Boolean;
2453 Root_Source : Prj.Source_Id;
2454 Iter : Source_Iterator;
2455
2456 Dummy : Boolean;
2457 pragma Unreferenced (Dummy);
2458
2459 begin
2460 if not Insert_No_Roots (Source) then
2461
2462 -- Was already in the queue
2463
2464 return False;
2465 end if;
2466
2467 if With_Roots and then Source.Format = Format_Gprbuild then
2468 Debug_Output ("looking for roots of", Name_Id (Source.Id.File));
2469
2470 Root_Arr :=
2471 Prj.Util.Value_Of
2472 (Name => Name_Roots,
2473 In_Arrays => Source.Id.Project.Decl.Arrays,
2474 Shared => Source.Tree.Shared);
2475
2476 Roots :=
2477 Prj.Util.Value_Of
2478 (Index => Name_Id (Source.Id.File),
2479 Src_Index => 0,
2480 In_Array => Root_Arr,
2481 Shared => Source.Tree.Shared);
2482
2483 -- If there is no roots for the specific main, try the language
2484
2485 if Roots = Nil_Variable_Value then
2486 Roots :=
2487 Prj.Util.Value_Of
2488 (Index => Source.Id.Language.Name,
2489 Src_Index => 0,
2490 In_Array => Root_Arr,
2491 Shared => Source.Tree.Shared,
2492 Force_Lower_Case_Index => True);
2493 end if;
2494
2495 -- Then try "*"
2496
2497 if Roots = Nil_Variable_Value then
2498 Name_Len := 1;
2499 Name_Buffer (1) := '*';
2500
2501 Roots :=
2502 Prj.Util.Value_Of
2503 (Index => Name_Find,
2504 Src_Index => 0,
2505 In_Array => Root_Arr,
2506 Shared => Source.Tree.Shared,
2507 Force_Lower_Case_Index => True);
2508 end if;
2509
2510 if Roots = Nil_Variable_Value then
2511 Debug_Output (" -> no roots declared");
2512
2513 else
2514 List := Roots.Values;
2515
2516 Pattern_Loop :
2517 while List /= Nil_String loop
2518 Elem := Source.Tree.Shared.String_Elements.Table (List);
2519 Get_Name_String (Elem.Value);
2520 To_Lower (Name_Buffer (1 .. Name_Len));
2521 Unit_Name := Name_Find;
2522
2523 -- Check if it is a unit name or a pattern
2524
2525 Pat_Root := False;
2526
2527 for J in 1 .. Name_Len loop
2528 if Name_Buffer (J) not in 'a' .. 'z' and then
2529 Name_Buffer (J) not in '0' .. '9' and then
2530 Name_Buffer (J) /= '_' and then
2531 Name_Buffer (J) /= '.'
2532 then
2533 Pat_Root := True;
2534 exit;
2535 end if;
2536 end loop;
2537
2538 if Pat_Root then
2539 begin
2540 Root_Pattern :=
2541 Compile
2542 (Pattern => Name_Buffer (1 .. Name_Len),
2543 Glob => True);
2544
2545 exception
2546 when Error_In_Regexp =>
2547 Err_Vars.Error_Msg_Name_1 := Unit_Name;
2548 Errutil.Error_Msg
2549 ("invalid pattern %", Roots.Location);
2550 exit Pattern_Loop;
2551 end;
2552 end if;
2553
2554 Roots_Found := False;
2555 Iter := For_Each_Source (Source.Tree);
2556
2557 Source_Loop :
2558 loop
2559 Root_Source := Prj.Element (Iter);
2560 exit Source_Loop when Root_Source = No_Source;
2561
2562 Root_Found := False;
2563 if Pat_Root then
2564 Root_Found := Root_Source.Unit /= No_Unit_Index
2565 and then Match
2566 (Get_Name_String (Root_Source.Unit.Name),
2567 Root_Pattern);
2568
2569 else
2570 Root_Found :=
2571 Root_Source.Unit /= No_Unit_Index
2572 and then Root_Source.Unit.Name = Unit_Name;
2573 end if;
2574
2575 if Root_Found then
2576 case Root_Source.Kind is
2577 when Impl =>
2578 null;
2579
2580 when Spec =>
2581 Root_Found := Other_Part (Root_Source) = No_Source;
2582
2583 when Sep =>
2584 Root_Found := False;
2585 end case;
2586 end if;
2587
2588 if Root_Found then
2589 Roots_Found := True;
2590 Debug_Output
2591 (" -> ", Name_Id (Root_Source.Display_File));
2592 Dummy := Queue.Insert_No_Roots
2593 (Source => (Format => Format_Gprbuild,
2594 Tree => Source.Tree,
2595 Id => Root_Source));
2596
2597 Initialize_Source_Record (Root_Source);
2598
2599 if Other_Part (Root_Source) /= No_Source then
2600 Initialize_Source_Record (Other_Part (Root_Source));
2601 end if;
2602
2603 -- Save the root for the binder
2604
2605 Source.Id.Roots := new Source_Roots'
2606 (Root => Root_Source,
2607 Next => Source.Id.Roots);
2608
2609 exit Source_Loop when not Pat_Root;
2610 end if;
2611
2612 Next (Iter);
2613 end loop Source_Loop;
2614
2615 if not Roots_Found then
2616 if Pat_Root then
2617 if not Quiet_Output then
2618 Error_Msg_Name_1 := Unit_Name;
2619 Errutil.Error_Msg
2620 ("?no unit matches pattern %", Roots.Location);
2621 end if;
2622
2623 else
2624 Errutil.Error_Msg
2625 ("Unit " & Get_Name_String (Unit_Name)
2626 & " does not exist", Roots.Location);
2627 end if;
2628 end if;
2629
2630 List := Elem.Next;
2631 end loop Pattern_Loop;
2632 end if;
2633 end if;
2634
2635 return True;
2636 end Insert;
2637
2638 ------------
2639 -- Insert --
2640 ------------
2641
2642 procedure Insert
2643 (Source : Source_Info;
2644 With_Roots : Boolean := False)
2645 is
2646 Discard : Boolean;
2647 pragma Unreferenced (Discard);
2648 begin
2649 Discard := Insert (Source, With_Roots);
2650 end Insert;
2651
2652 --------------
2653 -- Is_Empty --
2654 --------------
2655
2656 function Is_Empty return Boolean is
2657 begin
2658 return Q_Processed >= Q.Last;
2659 end Is_Empty;
2660
2661 ------------------------
2662 -- Is_Virtually_Empty --
2663 ------------------------
2664
2665 function Is_Virtually_Empty return Boolean is
2666 begin
2667 if One_Queue_Per_Obj_Dir then
2668 for J in Q_First .. Q.Last loop
2669 if not Q.Table (J).Processed
2670 and then Available_Obj_Dir (Q.Table (J).Info)
2671 then
2672 return False;
2673 end if;
2674 end loop;
2675
2676 return True;
2677
2678 else
2679 return Is_Empty;
2680 end if;
2681 end Is_Virtually_Empty;
2682
2683 ----------------------
2684 -- Set_Obj_Dir_Busy --
2685 ----------------------
2686
2687 procedure Set_Obj_Dir_Busy (Obj_Dir : Path_Name_Type) is
2688 begin
2689 if One_Queue_Per_Obj_Dir then
2690 Busy_Obj_Dirs.Set (Obj_Dir, True);
2691 end if;
2692 end Set_Obj_Dir_Busy;
2693
2694 ----------------------
2695 -- Set_Obj_Dir_Free --
2696 ----------------------
2697
2698 procedure Set_Obj_Dir_Free (Obj_Dir : Path_Name_Type) is
2699 begin
2700 if One_Queue_Per_Obj_Dir then
2701 Busy_Obj_Dirs.Set (Obj_Dir, False);
2702 end if;
2703 end Set_Obj_Dir_Free;
2704
2705 ----------
2706 -- Size --
2707 ----------
2708
2709 function Size return Natural is
2710 begin
2711 return Q.Last;
2712 end Size;
2713
2714 -------------
2715 -- Element --
2716 -------------
2717
2718 function Element (Rank : Positive) return File_Name_Type is
2719 begin
2720 if Rank <= Q.Last then
2721 case Q.Table (Rank).Info.Format is
2722 when Format_Gprbuild =>
2723 return Q.Table (Rank).Info.Id.File;
2724 when Format_Gnatmake =>
2725 return Q.Table (Rank).Info.File;
2726 end case;
2727 else
2728 return No_File;
2729 end if;
2730 end Element;
2731
2732 ------------------
2733 -- Remove_Marks --
2734 ------------------
2735
2736 procedure Remove_Marks is
2737 begin
2738 Marks.Reset;
2739 end Remove_Marks;
2740
2741 ----------------------------
2742 -- Insert_Project_Sources --
2743 ----------------------------
2744
2745 procedure Insert_Project_Sources
2746 (Project : Project_Id;
2747 Project_Tree : Project_Tree_Ref;
2748 All_Projects : Boolean;
2749 Unique_Compile : Boolean)
2750 is
2751 procedure Do_Insert (Project : Project_Id; Tree : Project_Tree_Ref);
2752
2753 ---------------
2754 -- Do_Insert --
2755 ---------------
2756
2757 procedure Do_Insert (Project : Project_Id; Tree : Project_Tree_Ref) is
2758 Unit_Based : constant Boolean :=
2759 Unique_Compile
2760 or else not Builder_Data (Tree).Closure_Needed;
2761 -- When Unit_Based is True, put in the queue all compilable
2762 -- sources including the unit based (Ada) one. When Unit_Based is
2763 -- False, put the Ada sources only when they are in a library
2764 -- project.
2765
2766 Iter : Source_Iterator;
2767 Source : Prj.Source_Id;
2768
2769 begin
2770 -- Nothing to do when "-u" was specified and some files were
2771 -- specified on the command line
2772
2773 if Unique_Compile
2774 and then Mains.Number_Of_Mains (Tree) > 0
2775 then
2776 return;
2777 end if;
2778
2779 Iter := For_Each_Source (Tree);
2780 loop
2781 Source := Prj.Element (Iter);
2782 exit when Source = No_Source;
2783
2784 if Is_Compilable (Source)
2785 and then
2786 (All_Projects
2787 or else Is_Extending (Project, Source.Project))
2788 and then not Source.Locally_Removed
2789 and then Source.Replaced_By = No_Source
2790 and then
2791 (not Source.Project.Externally_Built
2792 or else
2793 (Is_Extending (Project, Source.Project)
2794 and then not Project.Externally_Built))
2795 and then Source.Kind /= Sep
2796 and then Source.Path /= No_Path_Information
2797 then
2798 if Source.Kind = Impl
2799 or else (Source.Unit /= No_Unit_Index
2800 and then Source.Kind = Spec
2801 and then (Other_Part (Source) = No_Source
2802 or else
2803 Other_Part (Source).Locally_Removed))
2804 then
2805 if (Unit_Based
2806 or else Source.Unit = No_Unit_Index
2807 or else Source.Project.Library)
2808 and then not Is_Subunit (Source)
2809 then
2810 Queue.Insert
2811 (Source => (Format => Format_Gprbuild,
2812 Tree => Tree,
2813 Id => Source));
2814 end if;
2815 end if;
2816 end if;
2817
2818 Next (Iter);
2819 end loop;
2820 end Do_Insert;
2821
2822 procedure Insert_All is new For_Project_And_Aggregated (Do_Insert);
2823
2824 begin
2825 Insert_All (Project, Project_Tree);
2826 end Insert_Project_Sources;
2827
2828 -------------------------------
2829 -- Insert_Withed_Sources_For --
2830 -------------------------------
2831
2832 procedure Insert_Withed_Sources_For
2833 (The_ALI : ALI.ALI_Id;
2834 Project_Tree : Project_Tree_Ref;
2835 Excluding_Shared_SALs : Boolean := False)
2836 is
2837 Sfile : File_Name_Type;
2838 Afile : File_Name_Type;
2839 Src_Id : Prj.Source_Id;
2840
2841 begin
2842 -- Insert in the queue the unmarked source files (i.e. those which
2843 -- have never been inserted in the queue and hence never considered).
2844
2845 for J in ALI.ALIs.Table (The_ALI).First_Unit ..
2846 ALI.ALIs.Table (The_ALI).Last_Unit
2847 loop
2848 for K in ALI.Units.Table (J).First_With ..
2849 ALI.Units.Table (J).Last_With
2850 loop
2851 Sfile := ALI.Withs.Table (K).Sfile;
2852
2853 -- Skip generics
2854
2855 if Sfile /= No_File then
2856 Afile := ALI.Withs.Table (K).Afile;
2857
2858 Src_Id := Source_Files_Htable.Get
2859 (Project_Tree.Source_Files_HT, Sfile);
2860 while Src_Id /= No_Source loop
2861 Initialize_Source_Record (Src_Id);
2862
2863 if Is_Compilable (Src_Id)
2864 and then Src_Id.Dep_Name = Afile
2865 then
2866 case Src_Id.Kind is
2867 when Spec =>
2868 declare
2869 Bdy : constant Prj.Source_Id :=
2870 Other_Part (Src_Id);
2871 begin
2872 if Bdy /= No_Source
2873 and then not Bdy.Locally_Removed
2874 then
2875 Src_Id := Other_Part (Src_Id);
2876 end if;
2877 end;
2878
2879 when Impl =>
2880 if Is_Subunit (Src_Id) then
2881 Src_Id := No_Source;
2882 end if;
2883
2884 when Sep =>
2885 Src_Id := No_Source;
2886 end case;
2887
2888 exit;
2889 end if;
2890
2891 Src_Id := Src_Id.Next_With_File_Name;
2892 end loop;
2893
2894 -- If Excluding_Shared_SALs is True, do not insert in the
2895 -- queue the sources of a shared Stand-Alone Library.
2896
2897 if Src_Id /= No_Source
2898 and then (not Excluding_Shared_SALs
2899 or else not Src_Id.Project.Standalone_Library
2900 or else Src_Id.Project.Library_Kind = Static)
2901 then
2902 Queue.Insert
2903 (Source => (Format => Format_Gprbuild,
2904 Tree => Project_Tree,
2905 Id => Src_Id));
2906 end if;
2907 end if;
2908 end loop;
2909 end loop;
2910 end Insert_Withed_Sources_For;
2911
2912 end Queue;
2913
2914 ----------
2915 -- Free --
2916 ----------
2917
2918 procedure Free (Data : in out Builder_Project_Tree_Data) is
2919 procedure Unchecked_Free is new Ada.Unchecked_Deallocation
2920 (Binding_Data_Record, Binding_Data);
2921
2922 TmpB, Binding : Binding_Data := Data.Binding;
2923
2924 begin
2925 while Binding /= null loop
2926 TmpB := Binding.Next;
2927 Unchecked_Free (Binding);
2928 Binding := TmpB;
2929 end loop;
2930 end Free;
2931
2932 ------------------
2933 -- Builder_Data --
2934 ------------------
2935
2936 function Builder_Data
2937 (Tree : Project_Tree_Ref) return Builder_Data_Access
2938 is
2939 begin
2940 if Tree.Appdata = null then
2941 Tree.Appdata := new Builder_Project_Tree_Data;
2942 end if;
2943
2944 return Builder_Data_Access (Tree.Appdata);
2945 end Builder_Data;
2946
2947 --------------------------------
2948 -- Compute_Compilation_Phases --
2949 --------------------------------
2950
2951 procedure Compute_Compilation_Phases
2952 (Tree : Project_Tree_Ref;
2953 Root_Project : Project_Id;
2954 Option_Unique_Compile : Boolean := False; -- Was "-u" specified ?
2955 Option_Compile_Only : Boolean := False; -- Was "-c" specified ?
2956 Option_Bind_Only : Boolean := False;
2957 Option_Link_Only : Boolean := False)
2958 is
2959 procedure Do_Compute (Project : Project_Id; Tree : Project_Tree_Ref);
2960
2961 ----------------
2962 -- Do_Compute --
2963 ----------------
2964
2965 procedure Do_Compute (Project : Project_Id; Tree : Project_Tree_Ref) is
2966 Data : constant Builder_Data_Access := Builder_Data (Tree);
2967 All_Phases : constant Boolean :=
2968 not Option_Compile_Only
2969 and then not Option_Bind_Only
2970 and then not Option_Link_Only;
2971 -- Whether the command line asked for all three phases. Depending on
2972 -- the project settings, we might still disable some of the phases.
2973
2974 Has_Mains : constant Boolean := Data.Number_Of_Mains > 0;
2975 -- Whether there are some main units defined for this project tree
2976 -- (either from one of the projects, or from the command line)
2977
2978 begin
2979 if Option_Unique_Compile then
2980
2981 -- If -u or -U is specified on the command line, disregard any -c,
2982 -- -b or -l switch: only perform compilation.
2983
2984 Data.Closure_Needed := False;
2985 Data.Need_Compilation := True;
2986 Data.Need_Binding := False;
2987 Data.Need_Linking := False;
2988
2989 else
2990 Data.Closure_Needed := Has_Mains;
2991 Data.Need_Compilation := All_Phases or Option_Compile_Only;
2992 Data.Need_Binding := All_Phases or Option_Bind_Only;
2993 Data.Need_Linking := (All_Phases or Option_Link_Only)
2994 and Has_Mains;
2995 end if;
2996
2997 if Current_Verbosity = High then
2998 Debug_Output ("compilation phases: "
2999 & " compile=" & Data.Need_Compilation'Img
3000 & " bind=" & Data.Need_Binding'Img
3001 & " link=" & Data.Need_Linking'Img
3002 & " closure=" & Data.Closure_Needed'Img
3003 & " mains=" & Data.Number_Of_Mains'Img,
3004 Project.Name);
3005 end if;
3006 end Do_Compute;
3007
3008 procedure Compute_All is new For_Project_And_Aggregated (Do_Compute);
3009
3010 begin
3011 Compute_All (Root_Project, Tree);
3012 end Compute_Compilation_Phases;
3013
3014 ------------------------------
3015 -- Compute_Builder_Switches --
3016 ------------------------------
3017
3018 procedure Compute_Builder_Switches
3019 (Project_Tree : Project_Tree_Ref;
3020 Root_Environment : in out Prj.Tree.Environment;
3021 Main_Project : Project_Id;
3022 Only_For_Lang : Name_Id := No_Name)
3023 is
3024 Builder_Package : constant Package_Id :=
3025 Value_Of (Name_Builder, Main_Project.Decl.Packages,
3026 Project_Tree.Shared);
3027
3028 Global_Compilation_Array : Array_Element_Id;
3029 Global_Compilation_Elem : Array_Element;
3030 Global_Compilation_Switches : Variable_Value;
3031
3032 Default_Switches_Array : Array_Id;
3033
3034 Builder_Switches_Lang : Name_Id := No_Name;
3035
3036 List : String_List_Id;
3037 Element : String_Element;
3038
3039 Index : Name_Id;
3040 Source : Prj.Source_Id;
3041
3042 Lang : Name_Id := No_Name; -- language index for Switches
3043 Switches_For_Lang : Variable_Value := Nil_Variable_Value;
3044 -- Value of Builder'Default_Switches(lang)
3045
3046 Name : Name_Id := No_Name; -- main file index for Switches
3047 Switches_For_Main : Variable_Value := Nil_Variable_Value;
3048 -- Switches for a specific main. When there are several mains, Name is
3049 -- set to No_Name, and Switches_For_Main might be left with an actual
3050 -- value (so that we can display a warning that it was ignored).
3051
3052 Other_Switches : Variable_Value := Nil_Variable_Value;
3053 -- Value of Builder'Switches(others)
3054
3055 Defaults : Variable_Value := Nil_Variable_Value;
3056
3057 Switches : Variable_Value := Nil_Variable_Value;
3058 -- The computed builder switches
3059
3060 Success : Boolean := False;
3061 begin
3062 if Builder_Package /= No_Package then
3063 Mains.Reset;
3064
3065 -- If there is no main, and there is only one compilable language,
3066 -- use this language as the switches index.
3067
3068 if Mains.Number_Of_Mains (Project_Tree) = 0 then
3069 if Only_For_Lang = No_Name then
3070 declare
3071 Language : Language_Ptr := Main_Project.Languages;
3072
3073 begin
3074 while Language /= No_Language_Index loop
3075 if Language.Config.Compiler_Driver /= No_File
3076 and then Language.Config.Compiler_Driver /= Empty_File
3077 then
3078 if Lang /= No_Name then
3079 Lang := No_Name;
3080 exit;
3081 else
3082 Lang := Language.Name;
3083 end if;
3084 end if;
3085 Language := Language.Next;
3086 end loop;
3087 end;
3088 else
3089 Lang := Only_For_Lang;
3090 end if;
3091
3092 else
3093 for Index in 1 .. Mains.Number_Of_Mains (Project_Tree) loop
3094 Source := Mains.Next_Main.Source;
3095
3096 if Source /= No_Source then
3097 if Switches_For_Main = Nil_Variable_Value then
3098 Switches_For_Main := Value_Of
3099 (Name => Name_Id (Source.File),
3100 Attribute_Or_Array_Name => Name_Switches,
3101 In_Package => Builder_Package,
3102 Shared => Project_Tree.Shared,
3103 Force_Lower_Case_Index => False,
3104 Allow_Wildcards => True);
3105
3106 -- If not found, try without extension.
3107 -- That's because gnatmake accepts truncated file names
3108 -- in Builder'Switches
3109
3110 if Switches_For_Main = Nil_Variable_Value
3111 and then Source.Unit /= null
3112 then
3113 Switches_For_Main := Value_Of
3114 (Name => Source.Unit.Name,
3115 Attribute_Or_Array_Name => Name_Switches,
3116 In_Package => Builder_Package,
3117 Shared => Project_Tree.Shared,
3118 Force_Lower_Case_Index => False,
3119 Allow_Wildcards => True);
3120 end if;
3121 end if;
3122
3123 if Index = 1 then
3124 Lang := Source.Language.Name;
3125 Name := Name_Id (Source.File);
3126 else
3127 Name := No_Name; -- Can't use main specific switches
3128
3129 if Lang /= Source.Language.Name then
3130 Lang := No_Name;
3131 end if;
3132 end if;
3133 end if;
3134 end loop;
3135 end if;
3136
3137 Global_Compilation_Array := Value_Of
3138 (Name => Name_Global_Compilation_Switches,
3139 In_Arrays => Project_Tree.Shared.Packages.Table
3140 (Builder_Package).Decl.Arrays,
3141 Shared => Project_Tree.Shared);
3142
3143 Default_Switches_Array :=
3144 Project_Tree.Shared.Packages.Table (Builder_Package).Decl.Arrays;
3145
3146 while Default_Switches_Array /= No_Array
3147 and then
3148 Project_Tree.Shared.Arrays.Table (Default_Switches_Array).Name /=
3149 Name_Default_Switches
3150 loop
3151 Default_Switches_Array :=
3152 Project_Tree.Shared.Arrays.Table (Default_Switches_Array).Next;
3153 end loop;
3154
3155 if Global_Compilation_Array /= No_Array_Element
3156 and then Default_Switches_Array /= No_Array
3157 then
3158 Prj.Err.Error_Msg
3159 (Root_Environment.Flags,
3160 "Default_Switches forbidden in presence of " &
3161 "Global_Compilation_Switches. Use Switches instead.",
3162 Project_Tree.Shared.Arrays.Table
3163 (Default_Switches_Array).Location);
3164 Fail_Program
3165 (Project_Tree,
3166 "*** illegal combination of Builder attributes");
3167 end if;
3168
3169 if Lang /= No_Name then
3170 Switches_For_Lang := Prj.Util.Value_Of
3171 (Name => Lang,
3172 Index => 0,
3173 Attribute_Or_Array_Name => Name_Switches,
3174 In_Package => Builder_Package,
3175 Shared => Project_Tree.Shared,
3176 Force_Lower_Case_Index => True);
3177
3178 Defaults := Prj.Util.Value_Of
3179 (Name => Lang,
3180 Index => 0,
3181 Attribute_Or_Array_Name => Name_Default_Switches,
3182 In_Package => Builder_Package,
3183 Shared => Project_Tree.Shared,
3184 Force_Lower_Case_Index => True);
3185 end if;
3186
3187 Other_Switches := Prj.Util.Value_Of
3188 (Name => All_Other_Names,
3189 Index => 0,
3190 Attribute_Or_Array_Name => Name_Switches,
3191 In_Package => Builder_Package,
3192 Shared => Project_Tree.Shared);
3193
3194 if not Quiet_Output
3195 and then Mains.Number_Of_Mains (Project_Tree) > 1
3196 and then Switches_For_Main /= Nil_Variable_Value
3197 then
3198 -- More than one main, but we had main-specific switches that
3199 -- are ignored.
3200
3201 if Switches_For_Lang /= Nil_Variable_Value then
3202 Write_Line
3203 ("Warning: using Builder'Switches("""
3204 & Get_Name_String (Lang)
3205 & """), as there are several mains");
3206
3207 elsif Other_Switches /= Nil_Variable_Value then
3208 Write_Line
3209 ("Warning: using Builder'Switches(others), "
3210 & "as there are several mains");
3211
3212 elsif Defaults /= Nil_Variable_Value then
3213 Write_Line
3214 ("Warning: using Builder'Default_Switches("""
3215 & Get_Name_String (Lang)
3216 & """), as there are several mains");
3217 else
3218 Write_Line
3219 ("Warning: using no switches from package "
3220 & "Builder, as there are several mains");
3221 end if;
3222 end if;
3223
3224 Builder_Switches_Lang := Lang;
3225
3226 if Name /= No_Name then
3227 -- Get the switches for the single main
3228 Switches := Switches_For_Main;
3229 end if;
3230
3231 if Switches = Nil_Variable_Value or else Switches.Default then
3232 -- Get the switches for the common language of the mains
3233 Switches := Switches_For_Lang;
3234 end if;
3235
3236 if Switches = Nil_Variable_Value or else Switches.Default then
3237 Switches := Other_Switches;
3238 end if;
3239
3240 -- For backward compatibility with gnatmake, if no Switches
3241 -- are declared, check for Default_Switches (<language>).
3242
3243 if Switches = Nil_Variable_Value or else Switches.Default then
3244 Switches := Defaults;
3245 end if;
3246
3247 -- If switches have been found, scan them
3248
3249 if Switches /= Nil_Variable_Value and then not Switches.Default then
3250 List := Switches.Values;
3251
3252 while List /= Nil_String loop
3253 Element := Project_Tree.Shared.String_Elements.Table (List);
3254 Get_Name_String (Element.Value);
3255
3256 if Name_Len /= 0 then
3257 declare
3258 -- Add_Switch might itself be using the name_buffer, so
3259 -- we make a temporary here.
3260 Switch : constant String := Name_Buffer (1 .. Name_Len);
3261 begin
3262 Success := Add_Switch
3263 (Switch => Switch,
3264 For_Lang => Builder_Switches_Lang,
3265 For_Builder => True,
3266 Has_Global_Compilation_Switches =>
3267 Global_Compilation_Array /= No_Array_Element);
3268 end;
3269
3270 if not Success then
3271 for J in reverse 1 .. Name_Len loop
3272 Name_Buffer (J + J) := Name_Buffer (J);
3273 Name_Buffer (J + J - 1) := ''';
3274 end loop;
3275
3276 Name_Len := Name_Len + Name_Len;
3277
3278 Prj.Err.Error_Msg
3279 (Root_Environment.Flags,
3280 '"' & Name_Buffer (1 .. Name_Len) &
3281 """ is not a builder switch. Consider moving " &
3282 "it to Global_Compilation_Switches.",
3283 Element.Location);
3284 Fail_Program
3285 (Project_Tree,
3286 "*** illegal switch """ &
3287 Get_Name_String (Element.Value) & '"');
3288 end if;
3289 end if;
3290
3291 List := Element.Next;
3292 end loop;
3293 end if;
3294
3295 -- Reset the Builder Switches language
3296
3297 Builder_Switches_Lang := No_Name;
3298
3299 -- Take into account attributes Global_Compilation_Switches
3300
3301 while Global_Compilation_Array /= No_Array_Element loop
3302 Global_Compilation_Elem :=
3303 Project_Tree.Shared.Array_Elements.Table
3304 (Global_Compilation_Array);
3305
3306 Get_Name_String (Global_Compilation_Elem.Index);
3307 To_Lower (Name_Buffer (1 .. Name_Len));
3308 Index := Name_Find;
3309
3310 if Only_For_Lang = No_Name or else Index = Only_For_Lang then
3311 Global_Compilation_Switches := Global_Compilation_Elem.Value;
3312
3313 if Global_Compilation_Switches /= Nil_Variable_Value
3314 and then not Global_Compilation_Switches.Default
3315 then
3316 -- We have found an attribute
3317 -- Global_Compilation_Switches for a language: put the
3318 -- switches in the appropriate table.
3319
3320 List := Global_Compilation_Switches.Values;
3321 while List /= Nil_String loop
3322 Element :=
3323 Project_Tree.Shared.String_Elements.Table (List);
3324
3325 if Element.Value /= No_Name then
3326 Success := Add_Switch
3327 (Switch => Get_Name_String (Element.Value),
3328 For_Lang => Index,
3329 For_Builder => False,
3330 Has_Global_Compilation_Switches =>
3331 Global_Compilation_Array /= No_Array_Element);
3332 end if;
3333
3334 List := Element.Next;
3335 end loop;
3336 end if;
3337 end if;
3338
3339 Global_Compilation_Array := Global_Compilation_Elem.Next;
3340 end loop;
3341 end if;
3342 end Compute_Builder_Switches;
3343
3344 ---------------------
3345 -- Write_Path_File --
3346 ---------------------
3347
3348 procedure Write_Path_File (FD : File_Descriptor) is
3349 Last : Natural;
3350 Status : Boolean;
3351
3352 begin
3353 Name_Len := 0;
3354
3355 for Index in Directories.First .. Directories.Last loop
3356 Add_Str_To_Name_Buffer (Get_Name_String (Directories.Table (Index)));
3357 Add_Char_To_Name_Buffer (ASCII.LF);
3358 end loop;
3359
3360 Last := Write (FD, Name_Buffer (1)'Address, Name_Len);
3361
3362 if Last = Name_Len then
3363 Close (FD, Status);
3364 else
3365 Status := False;
3366 end if;
3367
3368 if not Status then
3369 Prj.Com.Fail ("could not write temporary file");
3370 end if;
3371 end Write_Path_File;
3372
3373 end Makeutl;
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