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Merge from mainline (163495:164578).
[official-gcc/graphite-test-results.git] / gcc / ada / makeutl.adb
bloba11f26134964391a639725b443f7e62a271f4b4c
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) 2004-2010, 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 Fname;
29 with Hostparm;
30 with Osint; use Osint;
31 with Output; use Output;
32 with Opt; use Opt;
33 with Prj.Ext;
34 with Prj.Util;
35 with Snames; use Snames;
36 with Table;
37 with Tempdir;
38
39 with Ada.Command_Line; use Ada.Command_Line;
40
41 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
42
43 with GNAT.Case_Util; use GNAT.Case_Util;
44 with GNAT.HTable;
45
46 package body Makeutl is
47
48 type Mark_Key is record
49 File : File_Name_Type;
50 Index : Int;
51 end record;
52 -- Identify either a mono-unit source (when Index = 0) or a specific unit
53 -- (index = 1's origin index of unit) in a multi-unit source.
54
55 -- There follow many global undocumented declarations, comments needed ???
56
57 Max_Mask_Num : constant := 2048;
58
59 subtype Mark_Num is Union_Id range 0 .. Max_Mask_Num - 1;
60
61 function Hash (Key : Mark_Key) return Mark_Num;
62
63 package Marks is new GNAT.HTable.Simple_HTable
64 (Header_Num => Mark_Num,
65 Element => Boolean,
66 No_Element => False,
67 Key => Mark_Key,
68 Hash => Hash,
69 Equal => "=");
70 -- A hash table to keep tracks of the marked units
71
72 type Linker_Options_Data is record
73 Project : Project_Id;
74 Options : String_List_Id;
75 end record;
76
77 Linker_Option_Initial_Count : constant := 20;
78
79 Linker_Options_Buffer : String_List_Access :=
80 new String_List (1 .. Linker_Option_Initial_Count);
81
82 Last_Linker_Option : Natural := 0;
83
84 package Linker_Opts is new Table.Table (
85 Table_Component_Type => Linker_Options_Data,
86 Table_Index_Type => Integer,
87 Table_Low_Bound => 1,
88 Table_Initial => 10,
89 Table_Increment => 100,
90 Table_Name => "Make.Linker_Opts");
91
92 procedure Add_Linker_Option (Option : String);
93
94 ---------
95 -- Add --
96 ---------
97
98 procedure Add
99 (Option : String_Access;
100 To : in out String_List_Access;
101 Last : in out Natural)
102 is
103 begin
104 if Last = To'Last then
105 declare
106 New_Options : constant String_List_Access :=
107 new String_List (1 .. To'Last * 2);
108
109 begin
110 New_Options (To'Range) := To.all;
111
112 -- Set all elements of the original options to null to avoid
113 -- deallocation of copies.
114
115 To.all := (others => null);
116
117 Free (To);
118 To := New_Options;
119 end;
120 end if;
121
122 Last := Last + 1;
123 To (Last) := Option;
124 end Add;
125
126 procedure Add
127 (Option : String;
128 To : in out String_List_Access;
129 Last : in out Natural)
130 is
131 begin
132 Add (Option => new String'(Option), To => To, Last => Last);
133 end Add;
134
135 -----------------------
136 -- Add_Linker_Option --
137 -----------------------
138
139 procedure Add_Linker_Option (Option : String) is
140 begin
141 if Option'Length > 0 then
142 if Last_Linker_Option = Linker_Options_Buffer'Last then
143 declare
144 New_Buffer : constant String_List_Access :=
145 new String_List
146 (1 .. Linker_Options_Buffer'Last +
147 Linker_Option_Initial_Count);
148 begin
149 New_Buffer (Linker_Options_Buffer'Range) :=
150 Linker_Options_Buffer.all;
151 Linker_Options_Buffer.all := (others => null);
152 Free (Linker_Options_Buffer);
153 Linker_Options_Buffer := New_Buffer;
154 end;
155 end if;
156
157 Last_Linker_Option := Last_Linker_Option + 1;
158 Linker_Options_Buffer (Last_Linker_Option) := new String'(Option);
159 end if;
160 end Add_Linker_Option;
161
162 -------------------------
163 -- Base_Name_Index_For --
164 -------------------------
165
166 function Base_Name_Index_For
167 (Main : String;
168 Main_Index : Int;
169 Index_Separator : Character) return File_Name_Type
170 is
171 Result : File_Name_Type;
172
173 begin
174 Name_Len := 0;
175 Add_Str_To_Name_Buffer (Base_Name (Main));
176
177 -- Remove the extension, if any, that is the last part of the base name
178 -- starting with a dot and following some characters.
179
180 for J in reverse 2 .. Name_Len loop
181 if Name_Buffer (J) = '.' then
182 Name_Len := J - 1;
183 exit;
184 end if;
185 end loop;
186
187 -- Add the index info, if index is different from 0
188
189 if Main_Index > 0 then
190 Add_Char_To_Name_Buffer (Index_Separator);
191
192 declare
193 Img : constant String := Main_Index'Img;
194 begin
195 Add_Str_To_Name_Buffer (Img (2 .. Img'Last));
196 end;
197 end if;
198
199 Result := Name_Find;
200 return Result;
201 end Base_Name_Index_For;
202
203 ------------------------------
204 -- Check_Source_Info_In_ALI --
205 ------------------------------
206
207 function Check_Source_Info_In_ALI (The_ALI : ALI_Id) return Boolean is
208 Unit_Name : Name_Id;
209
210 begin
211 -- Loop through units
212
213 for U in ALIs.Table (The_ALI).First_Unit ..
214 ALIs.Table (The_ALI).Last_Unit
215 loop
216 -- Check if the file name is one of the source of the unit
217
218 Get_Name_String (Units.Table (U).Uname);
219 Name_Len := Name_Len - 2;
220 Unit_Name := Name_Find;
221
222 if File_Not_A_Source_Of (Unit_Name, Units.Table (U).Sfile) then
223 return False;
224 end if;
225
226 -- Loop to do same check for each of the withed units
227
228 for W in Units.Table (U).First_With .. Units.Table (U).Last_With loop
229 declare
230 WR : ALI.With_Record renames Withs.Table (W);
231
232 begin
233 if WR.Sfile /= No_File then
234 Get_Name_String (WR.Uname);
235 Name_Len := Name_Len - 2;
236 Unit_Name := Name_Find;
237
238 if File_Not_A_Source_Of (Unit_Name, WR.Sfile) then
239 return False;
240 end if;
241 end if;
242 end;
243 end loop;
244 end loop;
245
246 -- Loop to check subunits
247
248 for D in ALIs.Table (The_ALI).First_Sdep ..
249 ALIs.Table (The_ALI).Last_Sdep
250 loop
251 declare
252 SD : Sdep_Record renames Sdep.Table (D);
253
254 begin
255 Unit_Name := SD.Subunit_Name;
256
257 if Unit_Name /= No_Name then
258
259 -- For separates, the file is no longer associated with the
260 -- unit ("proc-sep.adb" is not associated with unit "proc.sep")
261 -- so we need to check whether the source file still exists in
262 -- the source tree: it will if it matches the naming scheme
263 -- (and then will be for the same unit).
264
265 if Find_Source
266 (In_Tree => Project_Tree,
267 Project => No_Project,
268 Base_Name => SD.Sfile) = No_Source
269 then
270 -- If this is not a runtime file or if, when gnatmake switch
271 -- -a is used, we are not able to find this subunit in the
272 -- source directories, then recompilation is needed.
273
274 if not Fname.Is_Internal_File_Name (SD.Sfile)
275 or else
276 (Check_Readonly_Files
277 and then Full_Source_Name (SD.Sfile) = No_File)
278 then
279 if Verbose_Mode then
280 Write_Line
281 ("While parsing ALI file, file "
282 & Get_Name_String (SD.Sfile)
283 & " is indicated as containing subunit "
284 & Get_Name_String (Unit_Name)
285 & " but this does not match what was found while"
286 & " parsing the project. Will recompile");
287 end if;
288
289 return False;
290 end if;
291 end if;
292 end if;
293 end;
294 end loop;
295
296 return True;
297 end Check_Source_Info_In_ALI;
298
299 --------------------------------
300 -- Create_Binder_Mapping_File --
301 --------------------------------
302
303 function Create_Binder_Mapping_File return Path_Name_Type is
304 Mapping_Path : Path_Name_Type := No_Path;
305
306 Mapping_FD : File_Descriptor := Invalid_FD;
307 -- A File Descriptor for an eventual mapping file
308
309 ALI_Unit : Unit_Name_Type := No_Unit_Name;
310 -- The unit name of an ALI file
311
312 ALI_Name : File_Name_Type := No_File;
313 -- The file name of the ALI file
314
315 ALI_Project : Project_Id := No_Project;
316 -- The project of the ALI file
317
318 Bytes : Integer;
319 OK : Boolean := False;
320 Unit : Unit_Index;
321
322 Status : Boolean;
323 -- For call to Close
324
325 begin
326 Tempdir.Create_Temp_File (Mapping_FD, Mapping_Path);
327 Record_Temp_File (Project_Tree, Mapping_Path);
328
329 if Mapping_FD /= Invalid_FD then
330 OK := True;
331
332 -- Traverse all units
333
334 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
335 while Unit /= No_Unit_Index loop
336 if Unit.Name /= No_Name then
337
338 -- If there is a body, put it in the mapping
339
340 if Unit.File_Names (Impl) /= No_Source
341 and then Unit.File_Names (Impl).Project /= No_Project
342 then
343 Get_Name_String (Unit.Name);
344 Add_Str_To_Name_Buffer ("%b");
345 ALI_Unit := Name_Find;
346 ALI_Name :=
347 Lib_File_Name (Unit.File_Names (Impl).Display_File);
348 ALI_Project := Unit.File_Names (Impl).Project;
349
350 -- Otherwise, if there is a spec, put it in the mapping
351
352 elsif Unit.File_Names (Spec) /= No_Source
353 and then Unit.File_Names (Spec).Project /= No_Project
354 then
355 Get_Name_String (Unit.Name);
356 Add_Str_To_Name_Buffer ("%s");
357 ALI_Unit := Name_Find;
358 ALI_Name :=
359 Lib_File_Name (Unit.File_Names (Spec).Display_File);
360 ALI_Project := Unit.File_Names (Spec).Project;
361
362 else
363 ALI_Name := No_File;
364 end if;
365
366 -- If we have something to put in the mapping then do it now.
367 -- However, if the project is extended, we don't put anything
368 -- in the mapping file, since we don't know where the ALI file
369 -- is: it might be in the extended project object directory as
370 -- well as in the extending project object directory.
371
372 if ALI_Name /= No_File
373 and then ALI_Project.Extended_By = No_Project
374 and then ALI_Project.Extends = No_Project
375 then
376 -- First check if the ALI file exists. If it does not, do
377 -- not put the unit in the mapping file.
378
379 declare
380 ALI : constant String := Get_Name_String (ALI_Name);
381
382 begin
383 -- For library projects, use the library ALI directory,
384 -- for other projects, use the object directory.
385
386 if ALI_Project.Library then
387 Get_Name_String
388 (ALI_Project.Library_ALI_Dir.Display_Name);
389 else
390 Get_Name_String
391 (ALI_Project.Object_Directory.Display_Name);
392 end if;
393
394 if not
395 Is_Directory_Separator (Name_Buffer (Name_Len))
396 then
397 Add_Char_To_Name_Buffer (Directory_Separator);
398 end if;
399
400 Add_Str_To_Name_Buffer (ALI);
401 Add_Char_To_Name_Buffer (ASCII.LF);
402
403 declare
404 ALI_Path_Name : constant String :=
405 Name_Buffer (1 .. Name_Len);
406
407 begin
408 if Is_Regular_File
409 (ALI_Path_Name (1 .. ALI_Path_Name'Last - 1))
410 then
411 -- First line is the unit name
412
413 Get_Name_String (ALI_Unit);
414 Add_Char_To_Name_Buffer (ASCII.LF);
415 Bytes :=
416 Write
417 (Mapping_FD,
418 Name_Buffer (1)'Address,
419 Name_Len);
420 OK := Bytes = Name_Len;
421
422 exit when not OK;
423
424 -- Second line it the ALI file name
425
426 Get_Name_String (ALI_Name);
427 Add_Char_To_Name_Buffer (ASCII.LF);
428 Bytes :=
429 Write
430 (Mapping_FD,
431 Name_Buffer (1)'Address,
432 Name_Len);
433 OK := (Bytes = Name_Len);
434
435 exit when not OK;
436
437 -- Third line it the ALI path name
438
439 Bytes :=
440 Write
441 (Mapping_FD,
442 ALI_Path_Name (1)'Address,
443 ALI_Path_Name'Length);
444 OK := (Bytes = ALI_Path_Name'Length);
445
446 -- If OK is False, it means we were unable to
447 -- write a line. No point in continuing with the
448 -- other units.
449
450 exit when not OK;
451 end if;
452 end;
453 end;
454 end if;
455 end if;
456
457 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
458 end loop;
459
460 Close (Mapping_FD, Status);
461
462 OK := OK and Status;
463 end if;
464
465 -- If the creation of the mapping file was successful, we add the switch
466 -- to the arguments of gnatbind.
467
468 if OK then
469 return Mapping_Path;
470
471 else
472 return No_Path;
473 end if;
474 end Create_Binder_Mapping_File;
475
476 -----------------
477 -- Create_Name --
478 -----------------
479
480 function Create_Name (Name : String) return File_Name_Type is
481 begin
482 Name_Len := 0;
483 Add_Str_To_Name_Buffer (Name);
484 return Name_Find;
485 end Create_Name;
486
487 function Create_Name (Name : String) return Name_Id is
488 begin
489 Name_Len := 0;
490 Add_Str_To_Name_Buffer (Name);
491 return Name_Find;
492 end Create_Name;
493
494 function Create_Name (Name : String) return Path_Name_Type is
495 begin
496 Name_Len := 0;
497 Add_Str_To_Name_Buffer (Name);
498 return Name_Find;
499 end Create_Name;
500
501 ----------------------
502 -- Delete_All_Marks --
503 ----------------------
504
505 procedure Delete_All_Marks is
506 begin
507 Marks.Reset;
508 end Delete_All_Marks;
509
510 ----------------------------
511 -- Executable_Prefix_Path --
512 ----------------------------
513
514 function Executable_Prefix_Path return String is
515 Exec_Name : constant String := Command_Name;
516
517 function Get_Install_Dir (S : String) return String;
518 -- S is the executable name preceded by the absolute or relative path,
519 -- e.g. "c:\usr\bin\gcc.exe". Returns the absolute directory where "bin"
520 -- lies (in the example "C:\usr"). If the executable is not in a "bin"
521 -- directory, return "".
522
523 ---------------------
524 -- Get_Install_Dir --
525 ---------------------
526
527 function Get_Install_Dir (S : String) return String is
528 Exec : String := S;
529 Path_Last : Integer := 0;
530
531 begin
532 for J in reverse Exec'Range loop
533 if Exec (J) = Directory_Separator then
534 Path_Last := J - 1;
535 exit;
536 end if;
537 end loop;
538
539 if Path_Last >= Exec'First + 2 then
540 To_Lower (Exec (Path_Last - 2 .. Path_Last));
541 end if;
542
543 if Path_Last < Exec'First + 2
544 or else Exec (Path_Last - 2 .. Path_Last) /= "bin"
545 or else (Path_Last - 3 >= Exec'First
546 and then Exec (Path_Last - 3) /= Directory_Separator)
547 then
548 return "";
549 end if;
550
551 return Normalize_Pathname
552 (Exec (Exec'First .. Path_Last - 4),
553 Resolve_Links => Opt.Follow_Links_For_Dirs)
554 & Directory_Separator;
555 end Get_Install_Dir;
556
557 -- Beginning of Executable_Prefix_Path
558
559 begin
560 -- For VMS, the path returned is always /gnu/
561
562 if Hostparm.OpenVMS then
563 return "/gnu/";
564 end if;
565
566 -- First determine if a path prefix was placed in front of the
567 -- executable name.
568
569 for J in reverse Exec_Name'Range loop
570 if Exec_Name (J) = Directory_Separator then
571 return Get_Install_Dir (Exec_Name);
572 end if;
573 end loop;
574
575 -- If we get here, the user has typed the executable name with no
576 -- directory prefix.
577
578 declare
579 Path : String_Access := Locate_Exec_On_Path (Exec_Name);
580 begin
581 if Path = null then
582 return "";
583 else
584 declare
585 Dir : constant String := Get_Install_Dir (Path.all);
586 begin
587 Free (Path);
588 return Dir;
589 end;
590 end if;
591 end;
592 end Executable_Prefix_Path;
593
594 --------------------------
595 -- File_Not_A_Source_Of --
596 --------------------------
597
598 function File_Not_A_Source_Of
599 (Uname : Name_Id;
600 Sfile : File_Name_Type) return Boolean
601 is
602 Unit : constant Unit_Index :=
603 Units_Htable.Get (Project_Tree.Units_HT, Uname);
604
605 At_Least_One_File : Boolean := False;
606
607 begin
608 if Unit /= No_Unit_Index then
609 for F in Unit.File_Names'Range loop
610 if Unit.File_Names (F) /= null then
611 At_Least_One_File := True;
612 if Unit.File_Names (F).File = Sfile then
613 return False;
614 end if;
615 end if;
616 end loop;
617
618 if not At_Least_One_File then
619
620 -- The unit was probably created initially for a separate unit
621 -- (which are initially created as IMPL when both suffixes are the
622 -- same). Later on, Override_Kind changed the type of the file,
623 -- and the unit is no longer valid in fact.
624
625 return False;
626 end if;
627
628 Verbose_Msg (Uname, "sources do not include ", Name_Id (Sfile));
629 return True;
630 end if;
631
632 return False;
633 end File_Not_A_Source_Of;
634
635 ----------
636 -- Hash --
637 ----------
638
639 function Hash (Key : Mark_Key) return Mark_Num is
640 begin
641 return Union_Id (Key.File) mod Max_Mask_Num;
642 end Hash;
643
644 ------------
645 -- Inform --
646 ------------
647
648 procedure Inform (N : File_Name_Type; Msg : String) is
649 begin
650 Inform (Name_Id (N), Msg);
651 end Inform;
652
653 procedure Inform (N : Name_Id := No_Name; Msg : String) is
654 begin
655 Osint.Write_Program_Name;
656
657 Write_Str (": ");
658
659 if N /= No_Name then
660 Write_Str ("""");
661
662 declare
663 Name : constant String := Get_Name_String (N);
664 begin
665 if Debug.Debug_Flag_F and then Is_Absolute_Path (Name) then
666 Write_Str (File_Name (Name));
667 else
668 Write_Str (Name);
669 end if;
670 end;
671
672 Write_Str (""" ");
673 end if;
674
675 Write_Str (Msg);
676 Write_Eol;
677 end Inform;
678
679 ----------------------------
680 -- Is_External_Assignment --
681 ----------------------------
682
683 function Is_External_Assignment
684 (Tree : Prj.Tree.Project_Node_Tree_Ref;
685 Argv : String) return Boolean
686 is
687 Start : Positive := 3;
688 Finish : Natural := Argv'Last;
689
690 pragma Assert (Argv'First = 1);
691 pragma Assert (Argv (1 .. 2) = "-X");
692
693 begin
694 if Argv'Last < 5 then
695 return False;
696
697 elsif Argv (3) = '"' then
698 if Argv (Argv'Last) /= '"' or else Argv'Last < 7 then
699 return False;
700 else
701 Start := 4;
702 Finish := Argv'Last - 1;
703 end if;
704 end if;
705
706 return Prj.Ext.Check
707 (Tree => Tree,
708 Declaration => Argv (Start .. Finish));
709 end Is_External_Assignment;
710
711 ---------------
712 -- Is_Marked --
713 ---------------
714
715 function Is_Marked
716 (Source_File : File_Name_Type;
717 Index : Int := 0) return Boolean
718 is
719 begin
720 return Marks.Get (K => (File => Source_File, Index => Index));
721 end Is_Marked;
722
723 -----------------------------
724 -- Linker_Options_Switches --
725 -----------------------------
726
727 function Linker_Options_Switches
728 (Project : Project_Id;
729 In_Tree : Project_Tree_Ref) return String_List
730 is
731 procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean);
732 -- The recursive routine used to add linker options
733
734 -------------------
735 -- Recursive_Add --
736 -------------------
737
738 procedure Recursive_Add (Proj : Project_Id; Dummy : in out Boolean) is
739 pragma Unreferenced (Dummy);
740
741 Linker_Package : Package_Id;
742 Options : Variable_Value;
743
744 begin
745 Linker_Package :=
746 Prj.Util.Value_Of
747 (Name => Name_Linker,
748 In_Packages => Proj.Decl.Packages,
749 In_Tree => In_Tree);
750
751 Options :=
752 Prj.Util.Value_Of
753 (Name => Name_Ada,
754 Index => 0,
755 Attribute_Or_Array_Name => Name_Linker_Options,
756 In_Package => Linker_Package,
757 In_Tree => In_Tree);
758
759 -- If attribute is present, add the project with
760 -- the attribute to table Linker_Opts.
761
762 if Options /= Nil_Variable_Value then
763 Linker_Opts.Increment_Last;
764 Linker_Opts.Table (Linker_Opts.Last) :=
765 (Project => Proj, Options => Options.Values);
766 end if;
767 end Recursive_Add;
768
769 procedure For_All_Projects is
770 new For_Every_Project_Imported (Boolean, Recursive_Add);
771
772 Dummy : Boolean := False;
773
774 -- Start of processing for Linker_Options_Switches
775
776 begin
777 Linker_Opts.Init;
778
779 For_All_Projects (Project, Dummy, Imported_First => True);
780
781 Last_Linker_Option := 0;
782
783 for Index in reverse 1 .. Linker_Opts.Last loop
784 declare
785 Options : String_List_Id;
786 Proj : constant Project_Id :=
787 Linker_Opts.Table (Index).Project;
788 Option : Name_Id;
789 Dir_Path : constant String :=
790 Get_Name_String (Proj.Directory.Name);
791
792 begin
793 Options := Linker_Opts.Table (Index).Options;
794 while Options /= Nil_String loop
795 Option := In_Tree.String_Elements.Table (Options).Value;
796 Get_Name_String (Option);
797
798 -- Do not consider empty linker options
799
800 if Name_Len /= 0 then
801 Add_Linker_Option (Name_Buffer (1 .. Name_Len));
802
803 -- Object files and -L switches specified with relative
804 -- paths must be converted to absolute paths.
805
806 Test_If_Relative_Path
807 (Switch => Linker_Options_Buffer (Last_Linker_Option),
808 Parent => Dir_Path,
809 Including_L_Switch => True);
810 end if;
811
812 Options := In_Tree.String_Elements.Table (Options).Next;
813 end loop;
814 end;
815 end loop;
816
817 return Linker_Options_Buffer (1 .. Last_Linker_Option);
818 end Linker_Options_Switches;
819
820 -----------
821 -- Mains --
822 -----------
823
824 package body Mains is
825
826 type File_And_Loc is record
827 File_Name : File_Name_Type;
828 Index : Int := 0;
829 Location : Source_Ptr := No_Location;
830 end record;
831
832 package Names is new Table.Table
833 (Table_Component_Type => File_And_Loc,
834 Table_Index_Type => Integer,
835 Table_Low_Bound => 1,
836 Table_Initial => 10,
837 Table_Increment => 100,
838 Table_Name => "Makeutl.Mains.Names");
839 -- The table that stores the mains
840
841 Current : Natural := 0;
842 -- The index of the last main retrieved from the table
843
844 --------------
845 -- Add_Main --
846 --------------
847
848 procedure Add_Main (Name : String) is
849 begin
850 Name_Len := 0;
851 Add_Str_To_Name_Buffer (Name);
852 Names.Increment_Last;
853 Names.Table (Names.Last) := (Name_Find, 0, No_Location);
854 end Add_Main;
855
856 ------------
857 -- Delete --
858 ------------
859
860 procedure Delete is
861 begin
862 Names.Set_Last (0);
863 Mains.Reset;
864 end Delete;
865
866 ---------------
867 -- Get_Index --
868 ---------------
869
870 function Get_Index return Int is
871 begin
872 if Current in Names.First .. Names.Last then
873 return Names.Table (Current).Index;
874 else
875 return 0;
876 end if;
877 end Get_Index;
878
879 ------------------
880 -- Get_Location --
881 ------------------
882
883 function Get_Location return Source_Ptr is
884 begin
885 if Current in Names.First .. Names.Last then
886 return Names.Table (Current).Location;
887 else
888 return No_Location;
889 end if;
890 end Get_Location;
891
892 ---------------
893 -- Next_Main --
894 ---------------
895
896 function Next_Main return String is
897 begin
898 if Current >= Names.Last then
899 return "";
900 else
901 Current := Current + 1;
902 return Get_Name_String (Names.Table (Current).File_Name);
903 end if;
904 end Next_Main;
905
906 ---------------------
907 -- Number_Of_Mains --
908 ---------------------
909
910 function Number_Of_Mains return Natural is
911 begin
912 return Names.Last;
913 end Number_Of_Mains;
914
915 -----------
916 -- Reset --
917 -----------
918
919 procedure Reset is
920 begin
921 Current := 0;
922 end Reset;
923
924 ---------------
925 -- Set_Index --
926 ---------------
927
928 procedure Set_Index (Index : Int) is
929 begin
930 if Names.Last > 0 then
931 Names.Table (Names.Last).Index := Index;
932 end if;
933 end Set_Index;
934
935 ------------------
936 -- Set_Location --
937 ------------------
938
939 procedure Set_Location (Location : Source_Ptr) is
940 begin
941 if Names.Last > 0 then
942 Names.Table (Names.Last).Location := Location;
943 end if;
944 end Set_Location;
945
946 -----------------
947 -- Update_Main --
948 -----------------
949
950 procedure Update_Main (Name : String) is
951 begin
952 if Current in Names.First .. Names.Last then
953 Name_Len := 0;
954 Add_Str_To_Name_Buffer (Name);
955 Names.Table (Current).File_Name := Name_Find;
956 end if;
957 end Update_Main;
958 end Mains;
959
960 ----------
961 -- Mark --
962 ----------
963
964 procedure Mark (Source_File : File_Name_Type; Index : Int := 0) is
965 begin
966 Marks.Set (K => (File => Source_File, Index => Index), E => True);
967 end Mark;
968
969 -----------------------
970 -- Path_Or_File_Name --
971 -----------------------
972
973 function Path_Or_File_Name (Path : Path_Name_Type) return String is
974 Path_Name : constant String := Get_Name_String (Path);
975 begin
976 if Debug.Debug_Flag_F then
977 return File_Name (Path_Name);
978 else
979 return Path_Name;
980 end if;
981 end Path_Or_File_Name;
982
983 ---------------------------
984 -- Test_If_Relative_Path --
985 ---------------------------
986
987 procedure Test_If_Relative_Path
988 (Switch : in out String_Access;
989 Parent : String;
990 Including_L_Switch : Boolean := True;
991 Including_Non_Switch : Boolean := True;
992 Including_RTS : Boolean := False)
993 is
994 begin
995 if Switch /= null then
996 declare
997 Sw : String (1 .. Switch'Length);
998 Start : Positive;
999
1000 begin
1001 Sw := Switch.all;
1002
1003 if Sw (1) = '-' then
1004 if Sw'Length >= 3
1005 and then (Sw (2) = 'A'
1006 or else Sw (2) = 'I'
1007 or else (Including_L_Switch and then Sw (2) = 'L'))
1008 then
1009 Start := 3;
1010
1011 if Sw = "-I-" then
1012 return;
1013 end if;
1014
1015 elsif Sw'Length >= 4
1016 and then (Sw (2 .. 3) = "aL"
1017 or else Sw (2 .. 3) = "aO"
1018 or else Sw (2 .. 3) = "aI")
1019 then
1020 Start := 4;
1021
1022 elsif Including_RTS
1023 and then Sw'Length >= 7
1024 and then Sw (2 .. 6) = "-RTS="
1025 then
1026 Start := 7;
1027
1028 else
1029 return;
1030 end if;
1031
1032 -- Because relative path arguments to --RTS= may be relative
1033 -- to the search directory prefix, those relative path
1034 -- arguments are converted only when they include directory
1035 -- information.
1036
1037 if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then
1038 if Parent'Length = 0 then
1039 Do_Fail
1040 ("relative search path switches ("""
1041 & Sw
1042 & """) are not allowed");
1043
1044 elsif Including_RTS then
1045 for J in Start .. Sw'Last loop
1046 if Sw (J) = Directory_Separator then
1047 Switch :=
1048 new String'
1049 (Sw (1 .. Start - 1) &
1050 Parent &
1051 Directory_Separator &
1052 Sw (Start .. Sw'Last));
1053 return;
1054 end if;
1055 end loop;
1056
1057 else
1058 Switch :=
1059 new String'
1060 (Sw (1 .. Start - 1) &
1061 Parent &
1062 Directory_Separator &
1063 Sw (Start .. Sw'Last));
1064 end if;
1065 end if;
1066
1067 elsif Including_Non_Switch then
1068 if not Is_Absolute_Path (Sw) then
1069 if Parent'Length = 0 then
1070 Do_Fail
1071 ("relative paths (""" & Sw & """) are not allowed");
1072 else
1073 Switch := new String'(Parent & Directory_Separator & Sw);
1074 end if;
1075 end if;
1076 end if;
1077 end;
1078 end if;
1079 end Test_If_Relative_Path;
1080
1081 -------------------
1082 -- Unit_Index_Of --
1083 -------------------
1084
1085 function Unit_Index_Of (ALI_File : File_Name_Type) return Int is
1086 Start : Natural;
1087 Finish : Natural;
1088 Result : Int := 0;
1089
1090 begin
1091 Get_Name_String (ALI_File);
1092
1093 -- First, find the last dot
1094
1095 Finish := Name_Len;
1096
1097 while Finish >= 1 and then Name_Buffer (Finish) /= '.' loop
1098 Finish := Finish - 1;
1099 end loop;
1100
1101 if Finish = 1 then
1102 return 0;
1103 end if;
1104
1105 -- Now check that the dot is preceded by digits
1106
1107 Start := Finish;
1108 Finish := Finish - 1;
1109
1110 while Start >= 1 and then Name_Buffer (Start - 1) in '0' .. '9' loop
1111 Start := Start - 1;
1112 end loop;
1113
1114 -- If there are no digits, or if the digits are not preceded by the
1115 -- character that precedes a unit index, this is not the ALI file of
1116 -- a unit in a multi-unit source.
1117
1118 if Start > Finish
1119 or else Start = 1
1120 or else Name_Buffer (Start - 1) /= Multi_Unit_Index_Character
1121 then
1122 return 0;
1123 end if;
1124
1125 -- Build the index from the digit(s)
1126
1127 while Start <= Finish loop
1128 Result := Result * 10 +
1129 Character'Pos (Name_Buffer (Start)) - Character'Pos ('0');
1130 Start := Start + 1;
1131 end loop;
1132
1133 return Result;
1134 end Unit_Index_Of;
1135
1136 -----------------
1137 -- Verbose_Msg --
1138 -----------------
1139
1140 procedure Verbose_Msg
1141 (N1 : Name_Id;
1142 S1 : String;
1143 N2 : Name_Id := No_Name;
1144 S2 : String := "";
1145 Prefix : String := " -> ";
1146 Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
1147 is
1148 begin
1149 if not Opt.Verbose_Mode
1150 or else Minimum_Verbosity > Opt.Verbosity_Level
1151 then
1152 return;
1153 end if;
1154
1155 Write_Str (Prefix);
1156 Write_Str ("""");
1157 Write_Name (N1);
1158 Write_Str (""" ");
1159 Write_Str (S1);
1160
1161 if N2 /= No_Name then
1162 Write_Str (" """);
1163 Write_Name (N2);
1164 Write_Str (""" ");
1165 end if;
1166
1167 Write_Str (S2);
1168 Write_Eol;
1169 end Verbose_Msg;
1170
1171 procedure Verbose_Msg
1172 (N1 : File_Name_Type;
1173 S1 : String;
1174 N2 : File_Name_Type := No_File;
1175 S2 : String := "";
1176 Prefix : String := " -> ";
1177 Minimum_Verbosity : Opt.Verbosity_Level_Type := Opt.Low)
1178 is
1179 begin
1180 Verbose_Msg
1181 (Name_Id (N1), S1, Name_Id (N2), S2, Prefix, Minimum_Verbosity);
1182 end Verbose_Msg;
1183
1184 end Makeutl;
GCC graphite test results