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[official-gcc/graphite-test-results.git] / gcc / ada / gnatcmd.adb
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1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- G N A T C M D --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 1996-2009, 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 GNAT.Directory_Operations; use GNAT.Directory_Operations;
27
28 with Csets;
29 with Makeutl;
30 with MLib.Tgt; use MLib.Tgt;
31 with MLib.Utl;
32 with MLib.Fil;
33 with Namet; use Namet;
34 with Opt; use Opt;
35 with Osint; use Osint;
36 with Output;
37 with Prj; use Prj;
38 with Prj.Env;
39 with Prj.Ext; use Prj.Ext;
40 with Prj.Pars;
41 with Prj.Util; use Prj.Util;
42 with Sinput.P;
43 with Snames; use Snames;
44 with Table;
45 with Targparm;
46 with Tempdir;
47 with Types; use Types;
48 with Hostparm; use Hostparm;
49 -- Used to determine if we are in VMS or not for error message purposes
50
51 with Ada.Characters.Handling; use Ada.Characters.Handling;
52 with Ada.Command_Line; use Ada.Command_Line;
53 with Ada.Text_IO; use Ada.Text_IO;
54
55 with GNAT.OS_Lib; use GNAT.OS_Lib;
56
57 with VMS_Conv; use VMS_Conv;
58
59 procedure GNATCmd is
60 Project_Tree : constant Project_Tree_Ref := new Project_Tree_Data;
61 Project_File : String_Access;
62 Project : Prj.Project_Id;
63 Current_Verbosity : Prj.Verbosity := Prj.Default;
64 Tool_Package_Name : Name_Id := No_Name;
65
66 B_Start : String_Ptr := new String'("b~");
67 -- Prefix of binder generated file, changed to b__ for VMS
68
69 Old_Project_File_Used : Boolean := False;
70 -- This flag indicates a switch -p (for gnatxref and gnatfind) for
71 -- an old fashioned project file. -p cannot be used in conjunction
72 -- with -P.
73
74 Temp_File_Name : Path_Name_Type := No_Path;
75 -- The name of the temporary text file to put a list of source/object
76 -- files to pass to a tool.
77
78 ASIS_Main : String_Access := null;
79 -- Main for commands Check, Metric and Pretty, when -U is used
80
81 package First_Switches is new Table.Table
82 (Table_Component_Type => String_Access,
83 Table_Index_Type => Integer,
84 Table_Low_Bound => 1,
85 Table_Initial => 20,
86 Table_Increment => 100,
87 Table_Name => "Gnatcmd.First_Switches");
88 -- A table to keep the switches from the project file
89
90 package Carg_Switches is new Table.Table
91 (Table_Component_Type => String_Access,
92 Table_Index_Type => Integer,
93 Table_Low_Bound => 1,
94 Table_Initial => 20,
95 Table_Increment => 100,
96 Table_Name => "Gnatcmd.Carg_Switches");
97 -- A table to keep the switches following -cargs for ASIS tools
98
99 package Rules_Switches is new Table.Table
100 (Table_Component_Type => String_Access,
101 Table_Index_Type => Integer,
102 Table_Low_Bound => 1,
103 Table_Initial => 20,
104 Table_Increment => 100,
105 Table_Name => "Gnatcmd.Rules_Switches");
106 -- A table to keep the switches following -rules for gnatcheck
107
108 package Library_Paths is new Table.Table (
109 Table_Component_Type => String_Access,
110 Table_Index_Type => Integer,
111 Table_Low_Bound => 1,
112 Table_Initial => 20,
113 Table_Increment => 100,
114 Table_Name => "Make.Library_Path");
115
116 -- Packages of project files to pass to Prj.Pars.Parse, depending on the
117 -- tool. We allocate objects because we cannot declare aliased objects
118 -- as we are in a procedure, not a library level package.
119
120 subtype SA is String_Access;
121
122 Naming_String : constant SA := new String'("naming");
123 Binder_String : constant SA := new String'("binder");
124 Compiler_String : constant SA := new String'("compiler");
125 Check_String : constant SA := new String'("check");
126 Synchronize_String : constant SA := new String'("synchronize");
127 Eliminate_String : constant SA := new String'("eliminate");
128 Finder_String : constant SA := new String'("finder");
129 Linker_String : constant SA := new String'("linker");
130 Gnatls_String : constant SA := new String'("gnatls");
131 Pretty_String : constant SA := new String'("pretty_printer");
132 Stack_String : constant SA := new String'("stack");
133 Gnatstub_String : constant SA := new String'("gnatstub");
134 Metric_String : constant SA := new String'("metrics");
135 Xref_String : constant SA := new String'("cross_reference");
136
137 Packages_To_Check_By_Binder : constant String_List_Access :=
138 new String_List'((Naming_String, Binder_String));
139
140 Packages_To_Check_By_Check : constant String_List_Access :=
141 new String_List'((Naming_String, Check_String, Compiler_String));
142
143 Packages_To_Check_By_Sync : constant String_List_Access :=
144 new String_List'((Naming_String, Synchronize_String, Compiler_String));
145
146 Packages_To_Check_By_Eliminate : constant String_List_Access :=
147 new String_List'((Naming_String, Eliminate_String, Compiler_String));
148
149 Packages_To_Check_By_Finder : constant String_List_Access :=
150 new String_List'((Naming_String, Finder_String));
151
152 Packages_To_Check_By_Linker : constant String_List_Access :=
153 new String_List'((Naming_String, Linker_String));
154
155 Packages_To_Check_By_Gnatls : constant String_List_Access :=
156 new String_List'((Naming_String, Gnatls_String));
157
158 Packages_To_Check_By_Pretty : constant String_List_Access :=
159 new String_List'((Naming_String, Pretty_String, Compiler_String));
160
161 Packages_To_Check_By_Stack : constant String_List_Access :=
162 new String_List'((Naming_String, Stack_String));
163
164 Packages_To_Check_By_Gnatstub : constant String_List_Access :=
165 new String_List'((Naming_String, Gnatstub_String, Compiler_String));
166
167 Packages_To_Check_By_Metric : constant String_List_Access :=
168 new String_List'((Naming_String, Metric_String, Compiler_String));
169
170 Packages_To_Check_By_Xref : constant String_List_Access :=
171 new String_List'((Naming_String, Xref_String));
172
173 Packages_To_Check : String_List_Access := Prj.All_Packages;
174
175 ----------------------------------
176 -- Declarations for GNATCMD use --
177 ----------------------------------
178
179 The_Command : Command_Type;
180 -- The command specified in the invocation of the GNAT driver
181
182 Command_Arg : Positive := 1;
183 -- The index of the command in the arguments of the GNAT driver
184
185 My_Exit_Status : Exit_Status := Success;
186 -- The exit status of the spawned tool. Used to set the correct VMS
187 -- exit status.
188
189 Current_Work_Dir : constant String := Get_Current_Dir;
190 -- The path of the working directory
191
192 All_Projects : Boolean := False;
193 -- Flag used for GNAT CHECK, GNAT PRETTY, GNAT METRIC, and GNAT STACK to
194 -- indicate that the underlying tool (gnatcheck, gnatpp or gnatmetric)
195 -- should be invoked for all sources of all projects.
196
197 -----------------------
198 -- Local Subprograms --
199 -----------------------
200
201 procedure Add_To_Carg_Switches (Switch : String_Access);
202 -- Add a switch to the Carg_Switches table. If it is the first one, put the
203 -- switch "-cargs" at the beginning of the table.
204
205 procedure Add_To_Rules_Switches (Switch : String_Access);
206 -- Add a switch to the Rules_Switches table. If it is the first one, put
207 -- the switch "-crules" at the beginning of the table.
208
209 procedure Check_Files;
210 -- For GNAT LIST, GNAT PRETTY, GNAT METRIC, and GNAT STACK, check if a
211 -- project file is specified, without any file arguments. If it is the
212 -- case, invoke the GNAT tool with the proper list of files, derived from
213 -- the sources of the project.
214
215 function Check_Project
216 (Project : Project_Id;
217 Root_Project : Project_Id) return Boolean;
218 -- Returns True if Project = Root_Project or if we want to consider all
219 -- sources of all projects. For GNAT METRIC, also returns True if Project
220 -- is extended by Root_Project.
221
222 procedure Check_Relative_Executable (Name : in out String_Access);
223 -- Check if an executable is specified as a relative path. If it is, and
224 -- the path contains directory information, fail. Otherwise, prepend the
225 -- exec directory. This procedure is only used for GNAT LINK when a project
226 -- file is specified.
227
228 function Configuration_Pragmas_File return Path_Name_Type;
229 -- Return an argument, if there is a configuration pragmas file to be
230 -- specified for Project, otherwise return No_Name. Used for gnatstub (GNAT
231 -- STUB), gnatpp (GNAT PRETTY), gnatelim (GNAT ELIM), and gnatmetric (GNAT
232 -- METRIC).
233
234 procedure Delete_Temp_Config_Files;
235 -- Delete all temporary config files. The caller is responsible for
236 -- ensuring that Keep_Temporary_Files is False.
237
238 procedure Get_Closure;
239 -- Get the sources in the closure of the ASIS_Main and add them to the
240 -- list of arguments.
241
242 function Index (Char : Character; Str : String) return Natural;
243 -- Returns first occurrence of Char in Str, returns 0 if Char not in Str
244
245 procedure Non_VMS_Usage;
246 -- Display usage for platforms other than VMS
247
248 procedure Process_Link;
249 -- Process GNAT LINK, when there is a project file specified
250
251 procedure Set_Library_For
252 (Project : Project_Id;
253 Libraries_Present : in out Boolean);
254 -- If Project is a library project, add the correct -L and -l switches to
255 -- the linker invocation.
256
257 procedure Set_Libraries is
258 new For_Every_Project_Imported (Boolean, Set_Library_For);
259 -- Add the -L and -l switches to the linker for all of the library
260 -- projects.
261
262 procedure Test_If_Relative_Path
263 (Switch : in out String_Access;
264 Parent : String);
265 -- Test if Switch is a relative search path switch. If it is and it
266 -- includes directory information, prepend the path with Parent. This
267 -- subprogram is only called when using project files.
268
269 --------------------------
270 -- Add_To_Carg_Switches --
271 --------------------------
272
273 procedure Add_To_Carg_Switches (Switch : String_Access) is
274 begin
275 -- If the Carg_Switches table is empty, put "-cargs" at the beginning
276
277 if Carg_Switches.Last = 0 then
278 Carg_Switches.Increment_Last;
279 Carg_Switches.Table (Carg_Switches.Last) := new String'("-cargs");
280 end if;
281
282 Carg_Switches.Increment_Last;
283 Carg_Switches.Table (Carg_Switches.Last) := Switch;
284 end Add_To_Carg_Switches;
285
286 ---------------------------
287 -- Add_To_Rules_Switches --
288 ---------------------------
289
290 procedure Add_To_Rules_Switches (Switch : String_Access) is
291 begin
292 -- If the Rules_Switches table is empty, put "-rules" at the beginning
293
294 if Rules_Switches.Last = 0 then
295 Rules_Switches.Increment_Last;
296 Rules_Switches.Table (Rules_Switches.Last) := new String'("-rules");
297 end if;
298
299 Rules_Switches.Increment_Last;
300 Rules_Switches.Table (Rules_Switches.Last) := Switch;
301 end Add_To_Rules_Switches;
302
303 -----------------
304 -- Check_Files --
305 -----------------
306
307 procedure Check_Files is
308 Add_Sources : Boolean := True;
309 Unit : Prj.Unit_Index;
310 Subunit : Boolean := False;
311 FD : File_Descriptor := Invalid_FD;
312 Status : Integer;
313 Success : Boolean;
314
315 begin
316 -- Check if there is at least one argument that is not a switch
317
318 for Index in 1 .. Last_Switches.Last loop
319 if Last_Switches.Table (Index) (1) /= '-' then
320 Add_Sources := False;
321 exit;
322 end if;
323 end loop;
324
325 -- If all arguments were switches, add the path names of all the sources
326 -- of the main project.
327
328 if Add_Sources then
329
330 -- For gnatcheck, gnatpp and gnatmetric , create a temporary file and
331 -- put the list of sources in it.
332
333 if The_Command = Check or else
334 The_Command = Pretty or else
335 The_Command = Metric
336 then
337 Tempdir.Create_Temp_File (FD, Temp_File_Name);
338 Last_Switches.Increment_Last;
339 Last_Switches.Table (Last_Switches.Last) :=
340 new String'("-files=" & Get_Name_String (Temp_File_Name));
341 end if;
342
343 declare
344 Proj : Project_List;
345
346 begin
347 -- Gnatstack needs to add the .ci file for the binder generated
348 -- files corresponding to all of the library projects and main
349 -- units belonging to the application.
350
351 if The_Command = Stack then
352 Proj := Project_Tree.Projects;
353 while Proj /= null loop
354 if Check_Project (Proj.Project, Project) then
355 declare
356 Main : String_List_Id;
357 File : String_Access;
358
359 begin
360 -- Include binder generated files for main programs
361
362 Main := Proj.Project.Mains;
363 while Main /= Nil_String loop
364 File :=
365 new String'
366 (Get_Name_String
367 (Proj.Project.Object_Directory.Name) &
368 B_Start.all &
369 MLib.Fil.Ext_To
370 (Get_Name_String
371 (Project_Tree.String_Elements.Table
372 (Main).Value),
373 "ci"));
374
375 if Is_Regular_File (File.all) then
376 Last_Switches.Increment_Last;
377 Last_Switches.Table (Last_Switches.Last) := File;
378 end if;
379
380 Main :=
381 Project_Tree.String_Elements.Table (Main).Next;
382 end loop;
383
384 if Proj.Project.Library then
385
386 -- Include the .ci file for the binder generated
387 -- files that contains the initialization and
388 -- finalization of the library.
389
390 File :=
391 new String'
392 (Get_Name_String
393 (Proj.Project.Object_Directory.Name) &
394 B_Start.all &
395 Get_Name_String (Proj.Project.Library_Name) &
396 ".ci");
397
398 if Is_Regular_File (File.all) then
399 Last_Switches.Increment_Last;
400 Last_Switches.Table (Last_Switches.Last) := File;
401 end if;
402 end if;
403 end;
404 end if;
405
406 Proj := Proj.Next;
407 end loop;
408 end if;
409
410 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
411 while Unit /= No_Unit_Index loop
412
413 -- For gnatls, we only need to put the library units, body or
414 -- spec, but not the subunits.
415
416 if The_Command = List then
417 if Unit.File_Names (Impl) /= null
418 and then not Unit.File_Names (Impl).Locally_Removed
419 then
420 -- There is a body, check if it is for this project
421
422 if All_Projects or else
423 Unit.File_Names (Impl).Project = Project
424 then
425 Subunit := False;
426
427 if Unit.File_Names (Spec) = null
428 or else Unit.File_Names (Spec).Locally_Removed
429 then
430 -- We have a body with no spec: we need to check if
431 -- this is a subunit, because gnatls will complain
432 -- about subunits.
433
434 declare
435 Src_Ind : constant Source_File_Index :=
436 Sinput.P.Load_Project_File
437 (Get_Name_String
438 (Unit.File_Names
439 (Impl).Path.Name));
440 begin
441 Subunit :=
442 Sinput.P.Source_File_Is_Subunit (Src_Ind);
443 end;
444 end if;
445
446 if not Subunit then
447 Last_Switches.Increment_Last;
448 Last_Switches.Table (Last_Switches.Last) :=
449 new String'
450 (Get_Name_String
451 (Unit.File_Names
452 (Impl).Display_File));
453 end if;
454 end if;
455
456 elsif Unit.File_Names (Spec) /= null
457 and then not Unit.File_Names (Spec).Locally_Removed
458 then
459 -- We have a spec with no body. Check if it is for this
460 -- project.
461
462 if All_Projects or else
463 Unit.File_Names (Spec).Project = Project
464 then
465 Last_Switches.Increment_Last;
466 Last_Switches.Table (Last_Switches.Last) :=
467 new String'(Get_Name_String
468 (Unit.File_Names (Spec).Display_File));
469 end if;
470 end if;
471
472 -- For gnatstack, we put the .ci files corresponding to the
473 -- different units, including the binder generated files. We
474 -- only need to do that for the library units, body or spec,
475 -- but not the subunits.
476
477 elsif The_Command = Stack then
478 if Unit.File_Names (Impl) /= null
479 and then not Unit.File_Names (Impl).Locally_Removed
480 then
481 -- There is a body. Check if .ci files for this project
482 -- must be added.
483
484 if Check_Project
485 (Unit.File_Names (Impl).Project, Project)
486 then
487 Subunit := False;
488
489 if Unit.File_Names (Spec) = null
490 or else Unit.File_Names (Spec).Locally_Removed
491 then
492 -- We have a body with no spec: we need to check
493 -- if this is a subunit, because .ci files are not
494 -- generated for subunits.
495
496 declare
497 Src_Ind : constant Source_File_Index :=
498 Sinput.P.Load_Project_File
499 (Get_Name_String
500 (Unit.File_Names
501 (Impl).Path.Name));
502 begin
503 Subunit :=
504 Sinput.P.Source_File_Is_Subunit (Src_Ind);
505 end;
506 end if;
507
508 if not Subunit then
509 Last_Switches.Increment_Last;
510 Last_Switches.Table (Last_Switches.Last) :=
511 new String'
512 (Get_Name_String
513 (Unit.File_Names
514 (Impl).Project. Object_Directory.Name) &
515 MLib.Fil.Ext_To
516 (Get_Name_String
517 (Unit.File_Names (Impl).Display_File),
518 "ci"));
519 end if;
520 end if;
521
522 elsif Unit.File_Names (Spec) /= null
523 and then not Unit.File_Names (Spec).Locally_Removed
524 then
525 -- Spec with no body, check if it is for this project
526
527 if Check_Project
528 (Unit.File_Names (Spec).Project, Project)
529 then
530 Last_Switches.Increment_Last;
531 Last_Switches.Table (Last_Switches.Last) :=
532 new String'
533 (Get_Name_String
534 (Unit.File_Names
535 (Spec).Project. Object_Directory.Name) &
536 Dir_Separator &
537 MLib.Fil.Ext_To
538 (Get_Name_String (Unit.File_Names (Spec).File),
539 "ci"));
540 end if;
541 end if;
542
543 else
544 -- For gnatcheck, gnatsync, gnatpp and gnatmetric, put all
545 -- sources of the project, or of all projects if -U was
546 -- specified.
547
548 for Kind in Spec_Or_Body loop
549 if Unit.File_Names (Kind) /= null
550 and then Check_Project
551 (Unit.File_Names (Kind).Project, Project)
552 and then not Unit.File_Names (Kind).Locally_Removed
553 then
554 Get_Name_String
555 (Unit.File_Names (Kind).Path.Display_Name);
556
557 if FD /= Invalid_FD then
558 Name_Len := Name_Len + 1;
559 Name_Buffer (Name_Len) := ASCII.LF;
560 Status :=
561 Write (FD, Name_Buffer (1)'Address, Name_Len);
562
563 if Status /= Name_Len then
564 Osint.Fail ("disk full");
565 end if;
566
567 else
568 Last_Switches.Increment_Last;
569 Last_Switches.Table (Last_Switches.Last) :=
570 new String'(Get_Name_String
571 (Unit.File_Names
572 (Kind).Path.Display_Name));
573 end if;
574 end if;
575 end loop;
576 end if;
577
578 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
579 end loop;
580 end;
581
582 if FD /= Invalid_FD then
583 Close (FD, Success);
584
585 if not Success then
586 Osint.Fail ("disk full");
587 end if;
588 end if;
589 end if;
590 end Check_Files;
591
592 -------------------
593 -- Check_Project --
594 -------------------
595
596 function Check_Project
597 (Project : Project_Id;
598 Root_Project : Project_Id) return Boolean
599 is
600 Proj : Project_Id;
601
602 begin
603 if Project = No_Project then
604 return False;
605
606 elsif All_Projects or else Project = Root_Project then
607 return True;
608
609 elsif The_Command = Metric then
610 Proj := Root_Project;
611 while Proj.Extends /= No_Project loop
612 if Project = Proj.Extends then
613 return True;
614 end if;
615
616 Proj := Proj.Extends;
617 end loop;
618 end if;
619
620 return False;
621 end Check_Project;
622
623 -------------------------------
624 -- Check_Relative_Executable --
625 -------------------------------
626
627 procedure Check_Relative_Executable (Name : in out String_Access) is
628 Exec_File_Name : constant String := Name.all;
629
630 begin
631 if not Is_Absolute_Path (Exec_File_Name) then
632 for Index in Exec_File_Name'Range loop
633 if Exec_File_Name (Index) = Directory_Separator then
634 Fail ("relative executable (""" &
635 Exec_File_Name &
636 """) with directory part not allowed " &
637 "when using project files");
638 end if;
639 end loop;
640
641 Get_Name_String (Project.Exec_Directory.Name);
642
643 if Name_Buffer (Name_Len) /= Directory_Separator then
644 Name_Len := Name_Len + 1;
645 Name_Buffer (Name_Len) := Directory_Separator;
646 end if;
647
648 Name_Buffer (Name_Len + 1 ..
649 Name_Len + Exec_File_Name'Length) :=
650 Exec_File_Name;
651 Name_Len := Name_Len + Exec_File_Name'Length;
652 Name := new String'(Name_Buffer (1 .. Name_Len));
653 end if;
654 end Check_Relative_Executable;
655
656 --------------------------------
657 -- Configuration_Pragmas_File --
658 --------------------------------
659
660 function Configuration_Pragmas_File return Path_Name_Type is
661 begin
662 Prj.Env.Create_Config_Pragmas_File (Project, Project_Tree);
663 return Project.Config_File_Name;
664 end Configuration_Pragmas_File;
665
666 ------------------------------
667 -- Delete_Temp_Config_Files --
668 ------------------------------
669
670 procedure Delete_Temp_Config_Files is
671 Success : Boolean;
672 Proj : Project_List;
673 pragma Warnings (Off, Success);
674
675 begin
676 -- This should only be called if Keep_Temporary_Files is False
677
678 pragma Assert (not Keep_Temporary_Files);
679
680 if Project /= No_Project then
681 Proj := Project_Tree.Projects;
682 while Proj /= null loop
683 if Proj.Project.Config_File_Temp then
684 Delete_Temporary_File
685 (Project_Tree, Proj.Project.Config_File_Name);
686 end if;
687
688 Proj := Proj.Next;
689 end loop;
690 end if;
691
692 -- If a temporary text file that contains a list of files for a tool
693 -- has been created, delete this temporary file.
694
695 if Temp_File_Name /= No_Path then
696 Delete_Temporary_File (Project_Tree, Temp_File_Name);
697 end if;
698 end Delete_Temp_Config_Files;
699
700 -----------------
701 -- Get_Closure --
702 -----------------
703
704 procedure Get_Closure is
705 Args : constant Argument_List :=
706 (1 => new String'("-q"),
707 2 => new String'("-b"),
708 3 => new String'("-P"),
709 4 => Project_File,
710 5 => ASIS_Main,
711 6 => new String'("-bargs"),
712 7 => new String'("-R"),
713 8 => new String'("-Z"));
714 -- Arguments for the invocation of gnatmake which are added to the
715 -- Last_Arguments list by this procedure.
716
717 FD : File_Descriptor;
718 -- File descriptor for the temp file that will get the output of the
719 -- invocation of gnatmake.
720
721 Name : Path_Name_Type;
722 -- Path of the file FD
723
724 GN_Name : constant String := Program_Name ("gnatmake", "gnat").all;
725 -- Name for gnatmake
726
727 GN_Path : constant String_Access := Locate_Exec_On_Path (GN_Name);
728 -- Path of gnatmake
729
730 Return_Code : Integer;
731
732 Unused : Boolean;
733 pragma Warnings (Off, Unused);
734
735 File : Ada.Text_IO.File_Type;
736 Line : String (1 .. 250);
737 Last : Natural;
738 -- Used to read file if there is an error, it is good enough to display
739 -- just 250 characters if the first line of the file is very long.
740
741 Unit : Unit_Index;
742 Path : Path_Name_Type;
743
744 begin
745 if GN_Path = null then
746 Put_Line (Standard_Error, "could not locate " & GN_Name);
747 raise Error_Exit;
748 end if;
749
750 -- Create the temp file
751
752 Tempdir.Create_Temp_File (FD, Name);
753
754 -- And close it, because on VMS Spawn with a file descriptor created
755 -- with Create_Temp_File does not redirect output.
756
757 Close (FD);
758
759 -- Spawn "gnatmake -q -b -P <project> <main> -bargs -R -Z"
760
761 Spawn
762 (Program_Name => GN_Path.all,
763 Args => Args,
764 Output_File => Get_Name_String (Name),
765 Success => Unused,
766 Return_Code => Return_Code,
767 Err_To_Out => True);
768
769 Close (FD);
770
771 -- Read the output of the invocation of gnatmake
772
773 Open (File, In_File, Get_Name_String (Name));
774
775 -- If it was unsuccessful, display the first line in the file and exit
776 -- with error.
777
778 if Return_Code /= 0 then
779 Get_Line (File, Line, Last);
780
781 if not Keep_Temporary_Files then
782 Delete (File);
783 else
784 Close (File);
785 end if;
786
787 Put_Line (Standard_Error, Line (1 .. Last));
788 Put_Line
789 (Standard_Error, "could not get closure of " & ASIS_Main.all);
790 raise Error_Exit;
791
792 else
793 -- Get each file name in the file, find its path and add it the
794 -- list of arguments.
795
796 while not End_Of_File (File) loop
797 Get_Line (File, Line, Last);
798 Path := No_Path;
799
800 Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
801 while Unit /= No_Unit_Index loop
802 if Unit.File_Names (Spec) /= null
803 and then
804 Get_Name_String (Unit.File_Names (Spec).File) =
805 Line (1 .. Last)
806 then
807 Path := Unit.File_Names (Spec).Path.Name;
808 exit;
809
810 elsif Unit.File_Names (Impl) /= null
811 and then
812 Get_Name_String (Unit.File_Names (Impl).File) =
813 Line (1 .. Last)
814 then
815 Path := Unit.File_Names (Impl).Path.Name;
816 exit;
817 end if;
818
819 Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
820 end loop;
821
822 Last_Switches.Increment_Last;
823
824 if Path /= No_Path then
825 Last_Switches.Table (Last_Switches.Last) :=
826 new String'(Get_Name_String (Path));
827
828 else
829 Last_Switches.Table (Last_Switches.Last) :=
830 new String'(Line (1 .. Last));
831 end if;
832 end loop;
833
834 if not Keep_Temporary_Files then
835 Delete (File);
836 else
837 Close (File);
838 end if;
839 end if;
840 end Get_Closure;
841
842 -----------
843 -- Index --
844 -----------
845
846 function Index (Char : Character; Str : String) return Natural is
847 begin
848 for Index in Str'Range loop
849 if Str (Index) = Char then
850 return Index;
851 end if;
852 end loop;
853
854 return 0;
855 end Index;
856
857 ------------------
858 -- Process_Link --
859 ------------------
860
861 procedure Process_Link is
862 Look_For_Executable : Boolean := True;
863 Libraries_Present : Boolean := False;
864 Path_Option : constant String_Access :=
865 MLib.Linker_Library_Path_Option;
866 Prj : Project_Id := Project;
867 Arg : String_Access;
868 Last : Natural := 0;
869 Skip_Executable : Boolean := False;
870
871 begin
872 -- Add the default search directories, to be able to find
873 -- libgnat in call to MLib.Utl.Lib_Directory.
874
875 Add_Default_Search_Dirs;
876
877 Library_Paths.Set_Last (0);
878
879 -- Check if there are library project files
880
881 if MLib.Tgt.Support_For_Libraries /= None then
882 Set_Libraries (Project, Libraries_Present);
883 end if;
884
885 -- If there are, add the necessary additional switches
886
887 if Libraries_Present then
888
889 -- Add -L<lib_dir> -lgnarl -lgnat -Wl,-rpath,<lib_dir>
890
891 Last_Switches.Increment_Last;
892 Last_Switches.Table (Last_Switches.Last) :=
893 new String'("-L" & MLib.Utl.Lib_Directory);
894 Last_Switches.Increment_Last;
895 Last_Switches.Table (Last_Switches.Last) :=
896 new String'("-lgnarl");
897 Last_Switches.Increment_Last;
898 Last_Switches.Table (Last_Switches.Last) :=
899 new String'("-lgnat");
900
901 -- If Path_Option is not null, create the switch ("-Wl,-rpath," or
902 -- equivalent) with all the library dirs plus the standard GNAT
903 -- library dir.
904
905 if Path_Option /= null then
906 declare
907 Option : String_Access;
908 Length : Natural := Path_Option'Length;
909 Current : Natural;
910
911 begin
912 if MLib.Separate_Run_Path_Options then
913
914 -- We are going to create one switch of the form
915 -- "-Wl,-rpath,dir_N" for each directory to consider.
916
917 -- One switch for each library directory
918
919 for Index in
920 Library_Paths.First .. Library_Paths.Last
921 loop
922 Last_Switches.Increment_Last;
923 Last_Switches.Table
924 (Last_Switches.Last) := new String'
925 (Path_Option.all &
926 Last_Switches.Table (Index).all);
927 end loop;
928
929 -- One switch for the standard GNAT library dir
930
931 Last_Switches.Increment_Last;
932 Last_Switches.Table
933 (Last_Switches.Last) := new String'
934 (Path_Option.all & MLib.Utl.Lib_Directory);
935
936 else
937 -- First, compute the exact length for the switch
938
939 for Index in
940 Library_Paths.First .. Library_Paths.Last
941 loop
942 -- Add the length of the library dir plus one for the
943 -- directory separator.
944
945 Length :=
946 Length +
947 Library_Paths.Table (Index)'Length + 1;
948 end loop;
949
950 -- Finally, add the length of the standard GNAT library dir
951
952 Length := Length + MLib.Utl.Lib_Directory'Length;
953 Option := new String (1 .. Length);
954 Option (1 .. Path_Option'Length) := Path_Option.all;
955 Current := Path_Option'Length;
956
957 -- Put each library dir followed by a dir separator
958
959 for Index in
960 Library_Paths.First .. Library_Paths.Last
961 loop
962 Option
963 (Current + 1 ..
964 Current +
965 Library_Paths.Table (Index)'Length) :=
966 Library_Paths.Table (Index).all;
967 Current :=
968 Current +
969 Library_Paths.Table (Index)'Length + 1;
970 Option (Current) := Path_Separator;
971 end loop;
972
973 -- Finally put the standard GNAT library dir
974
975 Option
976 (Current + 1 ..
977 Current + MLib.Utl.Lib_Directory'Length) :=
978 MLib.Utl.Lib_Directory;
979
980 -- And add the switch to the last switches
981
982 Last_Switches.Increment_Last;
983 Last_Switches.Table (Last_Switches.Last) :=
984 Option;
985 end if;
986 end;
987 end if;
988 end if;
989
990 -- Check if the first ALI file specified can be found, either in the
991 -- object directory of the main project or in an object directory of a
992 -- project file extended by the main project. If the ALI file can be
993 -- found, replace its name with its absolute path.
994
995 Skip_Executable := False;
996
997 Switch_Loop : for J in 1 .. Last_Switches.Last loop
998
999 -- If we have an executable just reset the flag
1000
1001 if Skip_Executable then
1002 Skip_Executable := False;
1003
1004 -- If -o, set flag so that next switch is not processed
1005
1006 elsif Last_Switches.Table (J).all = "-o" then
1007 Skip_Executable := True;
1008
1009 -- Normal case
1010
1011 else
1012 declare
1013 Switch : constant String :=
1014 Last_Switches.Table (J).all;
1015 ALI_File : constant String (1 .. Switch'Length + 4) :=
1016 Switch & ".ali";
1017
1018 Test_Existence : Boolean := False;
1019
1020 begin
1021 Last := Switch'Length;
1022
1023 -- Skip real switches
1024
1025 if Switch'Length /= 0
1026 and then Switch (Switch'First) /= '-'
1027 then
1028 -- Append ".ali" if file name does not end with it
1029
1030 if Switch'Length <= 4
1031 or else Switch (Switch'Last - 3 .. Switch'Last)
1032 /= ".ali"
1033 then
1034 Last := ALI_File'Last;
1035 end if;
1036
1037 -- If file name includes directory information, stop if ALI
1038 -- file exists.
1039
1040 if Is_Absolute_Path (ALI_File (1 .. Last)) then
1041 Test_Existence := True;
1042
1043 else
1044 for K in Switch'Range loop
1045 if Switch (K) = '/' or else
1046 Switch (K) = Directory_Separator
1047 then
1048 Test_Existence := True;
1049 exit;
1050 end if;
1051 end loop;
1052 end if;
1053
1054 if Test_Existence then
1055 if Is_Regular_File (ALI_File (1 .. Last)) then
1056 exit Switch_Loop;
1057 end if;
1058
1059 -- Look in object directories if ALI file exists
1060
1061 else
1062 Project_Loop : loop
1063 declare
1064 Dir : constant String :=
1065 Get_Name_String (Prj.Object_Directory.Name);
1066 begin
1067 if Is_Regular_File
1068 (Dir &
1069 ALI_File (1 .. Last))
1070 then
1071 -- We have found the correct project, so we
1072 -- replace the file with the absolute path.
1073
1074 Last_Switches.Table (J) :=
1075 new String'(Dir & ALI_File (1 .. Last));
1076
1077 -- And we are done
1078
1079 exit Switch_Loop;
1080 end if;
1081 end;
1082
1083 -- Go to the project being extended, if any
1084
1085 Prj := Prj.Extends;
1086 exit Project_Loop when Prj = No_Project;
1087 end loop Project_Loop;
1088 end if;
1089 end if;
1090 end;
1091 end if;
1092 end loop Switch_Loop;
1093
1094 -- If a relative path output file has been specified, we add the exec
1095 -- directory.
1096
1097 for J in reverse 1 .. Last_Switches.Last - 1 loop
1098 if Last_Switches.Table (J).all = "-o" then
1099 Check_Relative_Executable
1100 (Name => Last_Switches.Table (J + 1));
1101 Look_For_Executable := False;
1102 exit;
1103 end if;
1104 end loop;
1105
1106 if Look_For_Executable then
1107 for J in reverse 1 .. First_Switches.Last - 1 loop
1108 if First_Switches.Table (J).all = "-o" then
1109 Look_For_Executable := False;
1110 Check_Relative_Executable
1111 (Name => First_Switches.Table (J + 1));
1112 exit;
1113 end if;
1114 end loop;
1115 end if;
1116
1117 -- If no executable is specified, then find the name of the first ALI
1118 -- file on the command line and issue a -o switch with the absolute path
1119 -- of the executable in the exec directory.
1120
1121 if Look_For_Executable then
1122 for J in 1 .. Last_Switches.Last loop
1123 Arg := Last_Switches.Table (J);
1124 Last := 0;
1125
1126 if Arg'Length /= 0 and then Arg (Arg'First) /= '-' then
1127 if Arg'Length > 4
1128 and then Arg (Arg'Last - 3 .. Arg'Last) = ".ali"
1129 then
1130 Last := Arg'Last - 4;
1131
1132 elsif Is_Regular_File (Arg.all & ".ali") then
1133 Last := Arg'Last;
1134 end if;
1135
1136 if Last /= 0 then
1137 Last_Switches.Increment_Last;
1138 Last_Switches.Table (Last_Switches.Last) :=
1139 new String'("-o");
1140 Get_Name_String (Project.Exec_Directory.Name);
1141 Last_Switches.Increment_Last;
1142 Last_Switches.Table (Last_Switches.Last) :=
1143 new String'(Name_Buffer (1 .. Name_Len) &
1144 Executable_Name
1145 (Base_Name (Arg (Arg'First .. Last))));
1146 exit;
1147 end if;
1148 end if;
1149 end loop;
1150 end if;
1151 end Process_Link;
1152
1153 ---------------------
1154 -- Set_Library_For --
1155 ---------------------
1156
1157 procedure Set_Library_For
1158 (Project : Project_Id;
1159 Libraries_Present : in out Boolean)
1160 is
1161 Path_Option : constant String_Access :=
1162 MLib.Linker_Library_Path_Option;
1163
1164 begin
1165 -- Case of library project
1166
1167 if Project.Library then
1168 Libraries_Present := True;
1169
1170 -- Add the -L switch
1171
1172 Last_Switches.Increment_Last;
1173 Last_Switches.Table (Last_Switches.Last) :=
1174 new String'("-L" & Get_Name_String (Project.Library_Dir.Name));
1175
1176 -- Add the -l switch
1177
1178 Last_Switches.Increment_Last;
1179 Last_Switches.Table (Last_Switches.Last) :=
1180 new String'("-l" & Get_Name_String (Project.Library_Name));
1181
1182 -- Add the directory to table Library_Paths, to be processed later
1183 -- if library is not static and if Path_Option is not null.
1184
1185 if Project.Library_Kind /= Static
1186 and then Path_Option /= null
1187 then
1188 Library_Paths.Increment_Last;
1189 Library_Paths.Table (Library_Paths.Last) :=
1190 new String'(Get_Name_String (Project.Library_Dir.Name));
1191 end if;
1192 end if;
1193 end Set_Library_For;
1194
1195 ---------------------------
1196 -- Test_If_Relative_Path --
1197 ---------------------------
1198
1199 procedure Test_If_Relative_Path
1200 (Switch : in out String_Access;
1201 Parent : String)
1202 is
1203 begin
1204 Makeutl.Test_If_Relative_Path
1205 (Switch, Parent, Including_Non_Switch => False, Including_RTS => True);
1206 end Test_If_Relative_Path;
1207
1208 -------------------
1209 -- Non_VMS_Usage --
1210 -------------------
1211
1212 procedure Non_VMS_Usage is
1213 begin
1214 Output_Version;
1215 New_Line;
1216 Put_Line ("List of available commands");
1217 New_Line;
1218
1219 for C in Command_List'Range loop
1220 if not Command_List (C).VMS_Only then
1221 if Targparm.AAMP_On_Target then
1222 Put ("gnaampcmd ");
1223 else
1224 Put ("gnat ");
1225 end if;
1226
1227 Put (To_Lower (Command_List (C).Cname.all));
1228 Set_Col (25);
1229
1230 -- Never call gnatstack with a prefix
1231
1232 if C = Stack then
1233 Put (Command_List (C).Unixcmd.all);
1234 else
1235 Put (Program_Name (Command_List (C).Unixcmd.all, "gnat").all);
1236 end if;
1237
1238 declare
1239 Sws : Argument_List_Access renames Command_List (C).Unixsws;
1240 begin
1241 if Sws /= null then
1242 for J in Sws'Range loop
1243 Put (' ');
1244 Put (Sws (J).all);
1245 end loop;
1246 end if;
1247 end;
1248
1249 New_Line;
1250 end if;
1251 end loop;
1252
1253 New_Line;
1254 Put_Line ("Commands find, list, metric, pretty, stack, stub and xref " &
1255 "accept project file switches -vPx, -Pprj and -Xnam=val");
1256 New_Line;
1257 end Non_VMS_Usage;
1258
1259 -------------------------------------
1260 -- Start of processing for GNATCmd --
1261 -------------------------------------
1262
1263 begin
1264 -- Initializations
1265
1266 Namet.Initialize;
1267 Csets.Initialize;
1268
1269 Snames.Initialize;
1270
1271 Prj.Initialize (Project_Tree);
1272
1273 Last_Switches.Init;
1274 Last_Switches.Set_Last (0);
1275
1276 First_Switches.Init;
1277 First_Switches.Set_Last (0);
1278 Carg_Switches.Init;
1279 Carg_Switches.Set_Last (0);
1280 Rules_Switches.Init;
1281 Rules_Switches.Set_Last (0);
1282
1283 VMS_Conv.Initialize;
1284
1285 -- Add the default search directories, to be able to find system.ads in the
1286 -- subsequent call to Targparm.Get_Target_Parameters.
1287
1288 Add_Default_Search_Dirs;
1289
1290 -- Get target parameters so that AAMP_On_Target will be set, for testing in
1291 -- Osint.Program_Name to handle the mapping of GNAAMP tool names.
1292
1293 Targparm.Get_Target_Parameters;
1294
1295 -- Add the directory where the GNAT driver is invoked in front of the path,
1296 -- if the GNAT driver is invoked with directory information. Do not do this
1297 -- for VMS, where the notion of path does not really exist.
1298
1299 if not OpenVMS then
1300 declare
1301 Command : constant String := Command_Name;
1302
1303 begin
1304 for Index in reverse Command'Range loop
1305 if Command (Index) = Directory_Separator then
1306 declare
1307 Absolute_Dir : constant String :=
1308 Normalize_Pathname
1309 (Command (Command'First .. Index));
1310
1311 PATH : constant String :=
1312 Absolute_Dir & Path_Separator & Getenv ("PATH").all;
1313
1314 begin
1315 Setenv ("PATH", PATH);
1316 end;
1317
1318 exit;
1319 end if;
1320 end loop;
1321 end;
1322 end if;
1323
1324 -- If on VMS, or if VMS emulation is on, convert VMS style /qualifiers,
1325 -- filenames and pathnames to Unix style.
1326
1327 if Hostparm.OpenVMS
1328 or else To_Lower (Getenv ("EMULATE_VMS").all) = "true"
1329 then
1330 VMS_Conversion (The_Command);
1331
1332 B_Start := new String'("b__");
1333
1334 -- If not on VMS, scan the command line directly
1335
1336 else
1337 if Argument_Count = 0 then
1338 Non_VMS_Usage;
1339 return;
1340 else
1341 begin
1342 loop
1343 if Argument_Count > Command_Arg
1344 and then Argument (Command_Arg) = "-v"
1345 then
1346 Verbose_Mode := True;
1347 Command_Arg := Command_Arg + 1;
1348
1349 elsif Argument_Count > Command_Arg
1350 and then Argument (Command_Arg) = "-dn"
1351 then
1352 Keep_Temporary_Files := True;
1353 Command_Arg := Command_Arg + 1;
1354
1355 else
1356 exit;
1357 end if;
1358 end loop;
1359
1360 The_Command := Real_Command_Type'Value (Argument (Command_Arg));
1361
1362 if Command_List (The_Command).VMS_Only then
1363 Non_VMS_Usage;
1364 Fail
1365 ("Command """
1366 & Command_List (The_Command).Cname.all
1367 & """ can only be used on VMS");
1368 end if;
1369
1370 exception
1371 when Constraint_Error =>
1372
1373 -- Check if it is an alternate command
1374
1375 declare
1376 Alternate : Alternate_Command;
1377
1378 begin
1379 Alternate := Alternate_Command'Value
1380 (Argument (Command_Arg));
1381 The_Command := Corresponding_To (Alternate);
1382
1383 exception
1384 when Constraint_Error =>
1385 Non_VMS_Usage;
1386 Fail ("Unknown command: " & Argument (Command_Arg));
1387 end;
1388 end;
1389
1390 -- Get the arguments from the command line and from the eventual
1391 -- argument file(s) specified on the command line.
1392
1393 for Arg in Command_Arg + 1 .. Argument_Count loop
1394 declare
1395 The_Arg : constant String := Argument (Arg);
1396
1397 begin
1398 -- Check if an argument file is specified
1399
1400 if The_Arg (The_Arg'First) = '@' then
1401 declare
1402 Arg_File : Ada.Text_IO.File_Type;
1403 Line : String (1 .. 256);
1404 Last : Natural;
1405
1406 begin
1407 -- Open the file and fail if the file cannot be found
1408
1409 begin
1410 Open
1411 (Arg_File, In_File,
1412 The_Arg (The_Arg'First + 1 .. The_Arg'Last));
1413
1414 exception
1415 when others =>
1416 Put
1417 (Standard_Error, "Cannot open argument file """);
1418 Put
1419 (Standard_Error,
1420 The_Arg (The_Arg'First + 1 .. The_Arg'Last));
1421
1422 Put_Line (Standard_Error, """");
1423 raise Error_Exit;
1424 end;
1425
1426 -- Read line by line and put the content of each non-
1427 -- empty line in the Last_Switches table.
1428
1429 while not End_Of_File (Arg_File) loop
1430 Get_Line (Arg_File, Line, Last);
1431
1432 if Last /= 0 then
1433 Last_Switches.Increment_Last;
1434 Last_Switches.Table (Last_Switches.Last) :=
1435 new String'(Line (1 .. Last));
1436 end if;
1437 end loop;
1438
1439 Close (Arg_File);
1440 end;
1441
1442 else
1443 -- It is not an argument file; just put the argument in
1444 -- the Last_Switches table.
1445
1446 Last_Switches.Increment_Last;
1447 Last_Switches.Table (Last_Switches.Last) :=
1448 new String'(The_Arg);
1449 end if;
1450 end;
1451 end loop;
1452 end if;
1453 end if;
1454
1455 declare
1456 Program : String_Access;
1457 Exec_Path : String_Access;
1458
1459 begin
1460 if The_Command = Stack then
1461
1462 -- Never call gnatstack with a prefix
1463
1464 Program := new String'(Command_List (The_Command).Unixcmd.all);
1465
1466 else
1467 Program :=
1468 Program_Name (Command_List (The_Command).Unixcmd.all, "gnat");
1469 end if;
1470
1471 -- Locate the executable for the command
1472
1473 Exec_Path := Locate_Exec_On_Path (Program.all);
1474
1475 if Exec_Path = null then
1476 Put_Line (Standard_Error, "could not locate " & Program.all);
1477 raise Error_Exit;
1478 end if;
1479
1480 -- If there are switches for the executable, put them as first switches
1481
1482 if Command_List (The_Command).Unixsws /= null then
1483 for J in Command_List (The_Command).Unixsws'Range loop
1484 First_Switches.Increment_Last;
1485 First_Switches.Table (First_Switches.Last) :=
1486 Command_List (The_Command).Unixsws (J);
1487 end loop;
1488 end if;
1489
1490 -- For BIND, CHECK, ELIM, FIND, LINK, LIST, METRIC, PRETTY, STACK, STUB,
1491 -- SYNC and XREF, look for project file related switches.
1492
1493 case The_Command is
1494 when Bind =>
1495 Tool_Package_Name := Name_Binder;
1496 Packages_To_Check := Packages_To_Check_By_Binder;
1497 when Check =>
1498 Tool_Package_Name := Name_Check;
1499 Packages_To_Check := Packages_To_Check_By_Check;
1500 when Elim =>
1501 Tool_Package_Name := Name_Eliminate;
1502 Packages_To_Check := Packages_To_Check_By_Eliminate;
1503 when Find =>
1504 Tool_Package_Name := Name_Finder;
1505 Packages_To_Check := Packages_To_Check_By_Finder;
1506 when Link =>
1507 Tool_Package_Name := Name_Linker;
1508 Packages_To_Check := Packages_To_Check_By_Linker;
1509 when List =>
1510 Tool_Package_Name := Name_Gnatls;
1511 Packages_To_Check := Packages_To_Check_By_Gnatls;
1512 when Metric =>
1513 Tool_Package_Name := Name_Metrics;
1514 Packages_To_Check := Packages_To_Check_By_Metric;
1515 when Pretty =>
1516 Tool_Package_Name := Name_Pretty_Printer;
1517 Packages_To_Check := Packages_To_Check_By_Pretty;
1518 when Stack =>
1519 Tool_Package_Name := Name_Stack;
1520 Packages_To_Check := Packages_To_Check_By_Stack;
1521 when Stub =>
1522 Tool_Package_Name := Name_Gnatstub;
1523 Packages_To_Check := Packages_To_Check_By_Gnatstub;
1524 when Sync =>
1525 Tool_Package_Name := Name_Synchronize;
1526 Packages_To_Check := Packages_To_Check_By_Sync;
1527 when Xref =>
1528 Tool_Package_Name := Name_Cross_Reference;
1529 Packages_To_Check := Packages_To_Check_By_Xref;
1530 when others =>
1531 Tool_Package_Name := No_Name;
1532 end case;
1533
1534 if Tool_Package_Name /= No_Name then
1535
1536 -- Check that the switches are consistent. Detect project file
1537 -- related switches.
1538
1539 Inspect_Switches : declare
1540 Arg_Num : Positive := 1;
1541 Argv : String_Access;
1542
1543 procedure Remove_Switch (Num : Positive);
1544 -- Remove a project related switch from table Last_Switches
1545
1546 -------------------
1547 -- Remove_Switch --
1548 -------------------
1549
1550 procedure Remove_Switch (Num : Positive) is
1551 begin
1552 Last_Switches.Table (Num .. Last_Switches.Last - 1) :=
1553 Last_Switches.Table (Num + 1 .. Last_Switches.Last);
1554 Last_Switches.Decrement_Last;
1555 end Remove_Switch;
1556
1557 -- Start of processing for Inspect_Switches
1558
1559 begin
1560 while Arg_Num <= Last_Switches.Last loop
1561 Argv := Last_Switches.Table (Arg_Num);
1562
1563 if Argv (Argv'First) = '-' then
1564 if Argv'Length = 1 then
1565 Fail
1566 ("switch character cannot be followed by a blank");
1567 end if;
1568
1569 -- The two style project files (-p and -P) cannot be used
1570 -- together
1571
1572 if (The_Command = Find or else The_Command = Xref)
1573 and then Argv (2) = 'p'
1574 then
1575 Old_Project_File_Used := True;
1576 if Project_File /= null then
1577 Fail ("-P and -p cannot be used together");
1578 end if;
1579 end if;
1580
1581 -- --subdirs=... Specify Subdirs
1582
1583 if Argv'Length > Makeutl.Subdirs_Option'Length and then
1584 Argv
1585 (Argv'First ..
1586 Argv'First + Makeutl.Subdirs_Option'Length - 1) =
1587 Makeutl.Subdirs_Option
1588 then
1589 Subdirs :=
1590 new String'
1591 (Argv
1592 (Argv'First + Makeutl.Subdirs_Option'Length ..
1593 Argv'Last));
1594
1595 Remove_Switch (Arg_Num);
1596
1597 -- -aPdir Add dir to the project search path
1598
1599 elsif Argv'Length > 3
1600 and then Argv (Argv'First + 1 .. Argv'First + 2) = "aP"
1601 then
1602 Add_Search_Project_Directory
1603 (Argv (Argv'First + 3 .. Argv'Last));
1604
1605 Remove_Switch (Arg_Num);
1606
1607 -- -eL Follow links for files
1608
1609 elsif Argv.all = "-eL" then
1610 Follow_Links_For_Files := True;
1611
1612 Remove_Switch (Arg_Num);
1613
1614 -- -vPx Specify verbosity while parsing project files
1615
1616 elsif Argv'Length = 4
1617 and then Argv (Argv'First + 1 .. Argv'First + 2) = "vP"
1618 then
1619 case Argv (Argv'Last) is
1620 when '0' =>
1621 Current_Verbosity := Prj.Default;
1622 when '1' =>
1623 Current_Verbosity := Prj.Medium;
1624 when '2' =>
1625 Current_Verbosity := Prj.High;
1626 when others =>
1627 Fail ("Invalid switch: " & Argv.all);
1628 end case;
1629
1630 Remove_Switch (Arg_Num);
1631
1632 -- -Pproject_file Specify project file to be used
1633
1634 elsif Argv (Argv'First + 1) = 'P' then
1635
1636 -- Only one -P switch can be used
1637
1638 if Project_File /= null then
1639 Fail
1640 (Argv.all
1641 & ": second project file forbidden (first is """
1642 & Project_File.all
1643 & """)");
1644
1645 -- The two style project files (-p and -P) cannot be
1646 -- used together.
1647
1648 elsif Old_Project_File_Used then
1649 Fail ("-p and -P cannot be used together");
1650
1651 elsif Argv'Length = 2 then
1652
1653 -- There is space between -P and the project file
1654 -- name. -P cannot be the last option.
1655
1656 if Arg_Num = Last_Switches.Last then
1657 Fail ("project file name missing after -P");
1658
1659 else
1660 Remove_Switch (Arg_Num);
1661 Argv := Last_Switches.Table (Arg_Num);
1662
1663 -- After -P, there must be a project file name,
1664 -- not another switch.
1665
1666 if Argv (Argv'First) = '-' then
1667 Fail ("project file name missing after -P");
1668
1669 else
1670 Project_File := new String'(Argv.all);
1671 end if;
1672 end if;
1673
1674 else
1675 -- No space between -P and project file name
1676
1677 Project_File :=
1678 new String'(Argv (Argv'First + 2 .. Argv'Last));
1679 end if;
1680
1681 Remove_Switch (Arg_Num);
1682
1683 -- -Xexternal=value Specify an external reference to be
1684 -- used in project files
1685
1686 elsif Argv'Length >= 5
1687 and then Argv (Argv'First + 1) = 'X'
1688 then
1689 declare
1690 Equal_Pos : constant Natural :=
1691 Index
1692 ('=',
1693 Argv (Argv'First + 2 .. Argv'Last));
1694 begin
1695 if Equal_Pos >= Argv'First + 3 and then
1696 Equal_Pos /= Argv'Last then
1697 Add (External_Name =>
1698 Argv (Argv'First + 2 .. Equal_Pos - 1),
1699 Value => Argv (Equal_Pos + 1 .. Argv'Last));
1700 else
1701 Fail
1702 (Argv.all
1703 & " is not a valid external assignment.");
1704 end if;
1705 end;
1706
1707 Remove_Switch (Arg_Num);
1708
1709 elsif
1710 (The_Command = Check or else
1711 The_Command = Sync or else
1712 The_Command = Pretty or else
1713 The_Command = Metric or else
1714 The_Command = Stack or else
1715 The_Command = List)
1716 and then Argv'Length = 2
1717 and then Argv (2) = 'U'
1718 then
1719 All_Projects := True;
1720 Remove_Switch (Arg_Num);
1721
1722 else
1723 Arg_Num := Arg_Num + 1;
1724 end if;
1725
1726 elsif ((The_Command = Check and then Argv (Argv'First) /= '+')
1727 or else The_Command = Sync
1728 or else The_Command = Metric
1729 or else The_Command = Pretty)
1730 and then Project_File /= null
1731 and then All_Projects
1732 then
1733 if ASIS_Main /= null then
1734 Fail ("cannot specify more than one main after -U");
1735 else
1736 ASIS_Main := Argv;
1737 Remove_Switch (Arg_Num);
1738 end if;
1739
1740 else
1741 Arg_Num := Arg_Num + 1;
1742 end if;
1743 end loop;
1744 end Inspect_Switches;
1745 end if;
1746
1747 -- If there is a project file specified, parse it, get the switches
1748 -- for the tool and setup PATH environment variables.
1749
1750 if Project_File /= null then
1751 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1752
1753 Prj.Pars.Parse
1754 (Project => Project,
1755 In_Tree => Project_Tree,
1756 Project_File_Name => Project_File.all,
1757 Flags => Gnatmake_Flags,
1758 Packages_To_Check => Packages_To_Check);
1759
1760 if Project = Prj.No_Project then
1761 Fail ("""" & Project_File.all & """ processing failed");
1762 end if;
1763
1764 -- Check if a package with the name of the tool is in the project
1765 -- file and if there is one, get the switches, if any, and scan them.
1766
1767 declare
1768 Pkg : constant Prj.Package_Id :=
1769 Prj.Util.Value_Of
1770 (Name => Tool_Package_Name,
1771 In_Packages => Project.Decl.Packages,
1772 In_Tree => Project_Tree);
1773
1774 Element : Package_Element;
1775
1776 Default_Switches_Array : Array_Element_Id;
1777
1778 The_Switches : Prj.Variable_Value;
1779 Current : Prj.String_List_Id;
1780 The_String : String_Element;
1781
1782 begin
1783 if Pkg /= No_Package then
1784 Element := Project_Tree.Packages.Table (Pkg);
1785
1786 -- Packages Gnatls and Gnatstack have a single attribute
1787 -- Switches, that is not an associative array.
1788
1789 if The_Command = List or else The_Command = Stack then
1790 The_Switches :=
1791 Prj.Util.Value_Of
1792 (Variable_Name => Snames.Name_Switches,
1793 In_Variables => Element.Decl.Attributes,
1794 In_Tree => Project_Tree);
1795
1796 -- Packages Binder (for gnatbind), Cross_Reference (for
1797 -- gnatxref), Linker (for gnatlink), Finder (for gnatfind),
1798 -- Pretty_Printer (for gnatpp), Eliminate (for gnatelim), Check
1799 -- (for gnatcheck), and Metric (for gnatmetric) have an
1800 -- attributed Switches, an associative array, indexed by the
1801 -- name of the file.
1802
1803 -- They also have an attribute Default_Switches, indexed by the
1804 -- name of the programming language.
1805
1806 else
1807 if The_Switches.Kind = Prj.Undefined then
1808 Default_Switches_Array :=
1809 Prj.Util.Value_Of
1810 (Name => Name_Default_Switches,
1811 In_Arrays => Element.Decl.Arrays,
1812 In_Tree => Project_Tree);
1813 The_Switches := Prj.Util.Value_Of
1814 (Index => Name_Ada,
1815 Src_Index => 0,
1816 In_Array => Default_Switches_Array,
1817 In_Tree => Project_Tree);
1818 end if;
1819 end if;
1820
1821 -- If there are switches specified in the package of the
1822 -- project file corresponding to the tool, scan them.
1823
1824 case The_Switches.Kind is
1825 when Prj.Undefined =>
1826 null;
1827
1828 when Prj.Single =>
1829 declare
1830 Switch : constant String :=
1831 Get_Name_String (The_Switches.Value);
1832
1833 begin
1834 if Switch'Length > 0 then
1835 First_Switches.Increment_Last;
1836 First_Switches.Table (First_Switches.Last) :=
1837 new String'(Switch);
1838 end if;
1839 end;
1840
1841 when Prj.List =>
1842 Current := The_Switches.Values;
1843 while Current /= Prj.Nil_String loop
1844 The_String := Project_Tree.String_Elements.
1845 Table (Current);
1846
1847 declare
1848 Switch : constant String :=
1849 Get_Name_String (The_String.Value);
1850
1851 begin
1852 if Switch'Length > 0 then
1853 First_Switches.Increment_Last;
1854 First_Switches.Table (First_Switches.Last) :=
1855 new String'(Switch);
1856 end if;
1857 end;
1858
1859 Current := The_String.Next;
1860 end loop;
1861 end case;
1862 end if;
1863 end;
1864
1865 if The_Command = Bind
1866 or else The_Command = Link
1867 or else The_Command = Elim
1868 then
1869 Change_Dir (Get_Name_String (Project.Object_Directory.Name));
1870 end if;
1871
1872 -- Set up the env vars for project path files
1873
1874 Prj.Env.Set_Ada_Paths
1875 (Project, Project_Tree, Including_Libraries => False);
1876
1877 -- For gnatcheck, gnatstub, gnatmetric, gnatpp and gnatelim, create
1878 -- a configuration pragmas file, if necessary.
1879
1880 if The_Command = Pretty
1881 or else The_Command = Metric
1882 or else The_Command = Stub
1883 or else The_Command = Elim
1884 or else The_Command = Check
1885 or else The_Command = Sync
1886 then
1887 -- If there are switches in package Compiler, put them in the
1888 -- Carg_Switches table.
1889
1890 declare
1891 Pkg : constant Prj.Package_Id :=
1892 Prj.Util.Value_Of
1893 (Name => Name_Compiler,
1894 In_Packages => Project.Decl.Packages,
1895 In_Tree => Project_Tree);
1896
1897 Element : Package_Element;
1898
1899 Switches_Array : Array_Element_Id;
1900
1901 The_Switches : Prj.Variable_Value;
1902 Current : Prj.String_List_Id;
1903 The_String : String_Element;
1904
1905 Main : String_Access := null;
1906 Main_Id : Name_Id;
1907
1908 begin
1909 if Pkg /= No_Package then
1910
1911 -- First, check if there is a single main specified.
1912
1913 for J in 1 .. Last_Switches.Last loop
1914 if Last_Switches.Table (J) (1) /= '-' then
1915 if Main = null then
1916 Main := Last_Switches.Table (J);
1917
1918 else
1919 Main := null;
1920 exit;
1921 end if;
1922 end if;
1923 end loop;
1924
1925 Element := Project_Tree.Packages.Table (Pkg);
1926
1927 -- If there is a single main and there is compilation
1928 -- switches specified in the project file, use them.
1929
1930 if Main /= null and then not All_Projects then
1931 Name_Len := Main'Length;
1932 Name_Buffer (1 .. Name_Len) := Main.all;
1933 Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len));
1934 Main_Id := Name_Find;
1935
1936 Switches_Array :=
1937 Prj.Util.Value_Of
1938 (Name => Name_Switches,
1939 In_Arrays => Element.Decl.Arrays,
1940 In_Tree => Project_Tree);
1941 The_Switches := Prj.Util.Value_Of
1942 (Index => Main_Id,
1943 Src_Index => 0,
1944 In_Array => Switches_Array,
1945 In_Tree => Project_Tree);
1946 end if;
1947
1948 -- Otherwise, get the Default_Switches ("Ada")
1949
1950 if The_Switches.Kind = Undefined then
1951 Switches_Array :=
1952 Prj.Util.Value_Of
1953 (Name => Name_Default_Switches,
1954 In_Arrays => Element.Decl.Arrays,
1955 In_Tree => Project_Tree);
1956 The_Switches := Prj.Util.Value_Of
1957 (Index => Name_Ada,
1958 Src_Index => 0,
1959 In_Array => Switches_Array,
1960 In_Tree => Project_Tree);
1961 end if;
1962
1963 -- If there are switches specified, put them in the
1964 -- Carg_Switches table.
1965
1966 case The_Switches.Kind is
1967 when Prj.Undefined =>
1968 null;
1969
1970 when Prj.Single =>
1971 declare
1972 Switch : constant String :=
1973 Get_Name_String (The_Switches.Value);
1974 begin
1975 if Switch'Length > 0 then
1976 Add_To_Carg_Switches (new String'(Switch));
1977 end if;
1978 end;
1979
1980 when Prj.List =>
1981 Current := The_Switches.Values;
1982 while Current /= Prj.Nil_String loop
1983 The_String :=
1984 Project_Tree.String_Elements.Table (Current);
1985
1986 declare
1987 Switch : constant String :=
1988 Get_Name_String (The_String.Value);
1989 begin
1990 if Switch'Length > 0 then
1991 Add_To_Carg_Switches (new String'(Switch));
1992 end if;
1993 end;
1994
1995 Current := The_String.Next;
1996 end loop;
1997 end case;
1998 end if;
1999 end;
2000
2001 -- If -cargs is one of the switches, move the following switches
2002 -- to the Carg_Switches table.
2003
2004 for J in 1 .. First_Switches.Last loop
2005 if First_Switches.Table (J).all = "-cargs" then
2006 declare
2007 K : Positive;
2008 Last : Natural;
2009
2010 begin
2011 -- Move the switches that are before -rules when the
2012 -- command is CHECK.
2013
2014 K := J + 1;
2015 while K <= First_Switches.Last
2016 and then
2017 (The_Command /= Check
2018 or else First_Switches.Table (K).all /= "-rules")
2019 loop
2020 Add_To_Carg_Switches (First_Switches.Table (K));
2021 K := K + 1;
2022 end loop;
2023
2024 if K > First_Switches.Last then
2025 First_Switches.Set_Last (J - 1);
2026
2027 else
2028 Last := J - 1;
2029 while K <= First_Switches.Last loop
2030 Last := Last + 1;
2031 First_Switches.Table (Last) :=
2032 First_Switches.Table (K);
2033 K := K + 1;
2034 end loop;
2035
2036 First_Switches.Set_Last (Last);
2037 end if;
2038 end;
2039
2040 exit;
2041 end if;
2042 end loop;
2043
2044 for J in 1 .. Last_Switches.Last loop
2045 if Last_Switches.Table (J).all = "-cargs" then
2046 declare
2047 K : Positive;
2048 Last : Natural;
2049
2050 begin
2051 -- Move the switches that are before -rules when the
2052 -- command is CHECK.
2053
2054 K := J + 1;
2055 while K <= Last_Switches.Last
2056 and then
2057 (The_Command /= Check
2058 or else
2059 Last_Switches.Table (K).all /= "-rules")
2060 loop
2061 Add_To_Carg_Switches (Last_Switches.Table (K));
2062 K := K + 1;
2063 end loop;
2064
2065 if K > Last_Switches.Last then
2066 Last_Switches.Set_Last (J - 1);
2067
2068 else
2069 Last := J - 1;
2070 while K <= Last_Switches.Last loop
2071 Last := Last + 1;
2072 Last_Switches.Table (Last) :=
2073 Last_Switches.Table (K);
2074 K := K + 1;
2075 end loop;
2076
2077 Last_Switches.Set_Last (Last);
2078 end if;
2079 end;
2080
2081 exit;
2082 end if;
2083 end loop;
2084
2085 declare
2086 CP_File : constant Path_Name_Type := Configuration_Pragmas_File;
2087
2088 begin
2089 if CP_File /= No_Path then
2090 if The_Command = Elim then
2091 First_Switches.Increment_Last;
2092 First_Switches.Table (First_Switches.Last) :=
2093 new String'("-C" & Get_Name_String (CP_File));
2094
2095 else
2096 Add_To_Carg_Switches
2097 (new String'("-gnatec=" & Get_Name_String (CP_File)));
2098 end if;
2099 end if;
2100 end;
2101 end if;
2102
2103 if The_Command = Link then
2104 Process_Link;
2105 end if;
2106
2107 if The_Command = Link or else The_Command = Bind then
2108
2109 -- For files that are specified as relative paths with directory
2110 -- information, we convert them to absolute paths, with parent
2111 -- being the current working directory if specified on the command
2112 -- line and the project directory if specified in the project
2113 -- file. This is what gnatmake is doing for linker and binder
2114 -- arguments.
2115
2116 for J in 1 .. Last_Switches.Last loop
2117 Test_If_Relative_Path
2118 (Last_Switches.Table (J), Current_Work_Dir);
2119 end loop;
2120
2121 Get_Name_String (Project.Directory.Name);
2122
2123 declare
2124 Project_Dir : constant String := Name_Buffer (1 .. Name_Len);
2125 begin
2126 for J in 1 .. First_Switches.Last loop
2127 Test_If_Relative_Path
2128 (First_Switches.Table (J), Project_Dir);
2129 end loop;
2130 end;
2131
2132 elsif The_Command = Stub then
2133 declare
2134 File_Index : Integer := 0;
2135 Dir_Index : Integer := 0;
2136 Last : constant Integer := Last_Switches.Last;
2137 Lang : constant Language_Ptr :=
2138 Get_Language_From_Name (Project, "ada");
2139
2140 begin
2141 for Index in 1 .. Last loop
2142 if Last_Switches.Table (Index)
2143 (Last_Switches.Table (Index)'First) /= '-'
2144 then
2145 File_Index := Index;
2146 exit;
2147 end if;
2148 end loop;
2149
2150 -- If the project file naming scheme is not standard, and if
2151 -- the file name ends with the spec suffix, then indicate to
2152 -- gnatstub the name of the body file with a -o switch.
2153
2154 if not Is_Standard_GNAT_Naming (Lang.Config.Naming_Data) then
2155 if File_Index /= 0 then
2156 declare
2157 Spec : constant String :=
2158 Base_Name
2159 (Last_Switches.Table (File_Index).all);
2160 Last : Natural := Spec'Last;
2161
2162 begin
2163 Get_Name_String (Lang.Config.Naming_Data.Spec_Suffix);
2164
2165 if Spec'Length > Name_Len
2166 and then Spec (Last - Name_Len + 1 .. Last) =
2167 Name_Buffer (1 .. Name_Len)
2168 then
2169 Last := Last - Name_Len;
2170 Get_Name_String
2171 (Lang.Config.Naming_Data.Body_Suffix);
2172 Last_Switches.Increment_Last;
2173 Last_Switches.Table (Last_Switches.Last) :=
2174 new String'("-o");
2175 Last_Switches.Increment_Last;
2176 Last_Switches.Table (Last_Switches.Last) :=
2177 new String'(Spec (Spec'First .. Last) &
2178 Name_Buffer (1 .. Name_Len));
2179 end if;
2180 end;
2181 end if;
2182 end if;
2183
2184 -- Add the directory of the spec as the destination directory
2185 -- of the body, if there is no destination directory already
2186 -- specified.
2187
2188 if File_Index /= 0 then
2189 for Index in File_Index + 1 .. Last loop
2190 if Last_Switches.Table (Index)
2191 (Last_Switches.Table (Index)'First) /= '-'
2192 then
2193 Dir_Index := Index;
2194 exit;
2195 end if;
2196 end loop;
2197
2198 if Dir_Index = 0 then
2199 Last_Switches.Increment_Last;
2200 Last_Switches.Table (Last_Switches.Last) :=
2201 new String'
2202 (Dir_Name (Last_Switches.Table (File_Index).all));
2203 end if;
2204 end if;
2205 end;
2206 end if;
2207
2208 -- For gnatmetric, the generated files should be put in the object
2209 -- directory. This must be the first switch, because it may be
2210 -- overridden by a switch in package Metrics in the project file or
2211 -- by a command line option. Note that we don't add the -d= switch
2212 -- if there is no object directory available.
2213
2214 if The_Command = Metric
2215 and then Project.Object_Directory /= No_Path_Information
2216 then
2217 First_Switches.Increment_Last;
2218 First_Switches.Table (2 .. First_Switches.Last) :=
2219 First_Switches.Table (1 .. First_Switches.Last - 1);
2220 First_Switches.Table (1) :=
2221 new String'("-d=" &
2222 Get_Name_String (Project.Object_Directory.Name));
2223 end if;
2224
2225 -- For gnat check, -rules and the following switches need to be the
2226 -- last options, so move all these switches to table Rules_Switches.
2227
2228 if The_Command = Check then
2229 declare
2230 New_Last : Natural;
2231 -- Set to rank of options preceding "-rules"
2232
2233 In_Rules_Switches : Boolean;
2234 -- Set to True when options "-rules" is found
2235
2236 begin
2237 New_Last := First_Switches.Last;
2238 In_Rules_Switches := False;
2239
2240 for J in 1 .. First_Switches.Last loop
2241 if In_Rules_Switches then
2242 Add_To_Rules_Switches (First_Switches.Table (J));
2243
2244 elsif First_Switches.Table (J).all = "-rules" then
2245 New_Last := J - 1;
2246 In_Rules_Switches := True;
2247 end if;
2248 end loop;
2249
2250 if In_Rules_Switches then
2251 First_Switches.Set_Last (New_Last);
2252 end if;
2253
2254 New_Last := Last_Switches.Last;
2255 In_Rules_Switches := False;
2256
2257 for J in 1 .. Last_Switches.Last loop
2258 if In_Rules_Switches then
2259 Add_To_Rules_Switches (Last_Switches.Table (J));
2260
2261 elsif Last_Switches.Table (J).all = "-rules" then
2262 New_Last := J - 1;
2263 In_Rules_Switches := True;
2264 end if;
2265 end loop;
2266
2267 if In_Rules_Switches then
2268 Last_Switches.Set_Last (New_Last);
2269 end if;
2270 end;
2271 end if;
2272
2273 -- For gnat check, sync, metric or pretty with -U + a main, get the
2274 -- list of sources from the closure and add them to the arguments.
2275
2276 if ASIS_Main /= null then
2277 Get_Closure;
2278
2279 -- On VMS, set up the env var again for source dirs file. This is
2280 -- because the call to gnatmake has set this env var to another
2281 -- file that has now been deleted.
2282
2283 if Hostparm.OpenVMS then
2284
2285 -- First make sure that the recorded file names are empty
2286
2287 Prj.Env.Initialize (Project_Tree);
2288
2289 Prj.Env.Set_Ada_Paths
2290 (Project, Project_Tree, Including_Libraries => False);
2291 end if;
2292
2293 -- For gnat check, gnat sync, gnat pretty, gnat metric, gnat list,
2294 -- and gnat stack, if no file has been put on the command line, call
2295 -- tool with all the sources of the main project.
2296
2297 elsif The_Command = Check or else
2298 The_Command = Sync or else
2299 The_Command = Pretty or else
2300 The_Command = Metric or else
2301 The_Command = List or else
2302 The_Command = Stack
2303 then
2304 Check_Files;
2305 end if;
2306 end if;
2307
2308 -- Gather all the arguments and invoke the executable
2309
2310 declare
2311 The_Args : Argument_List
2312 (1 .. First_Switches.Last +
2313 Last_Switches.Last +
2314 Carg_Switches.Last +
2315 Rules_Switches.Last);
2316 Arg_Num : Natural := 0;
2317
2318 begin
2319 for J in 1 .. First_Switches.Last loop
2320 Arg_Num := Arg_Num + 1;
2321 The_Args (Arg_Num) := First_Switches.Table (J);
2322 end loop;
2323
2324 for J in 1 .. Last_Switches.Last loop
2325 Arg_Num := Arg_Num + 1;
2326 The_Args (Arg_Num) := Last_Switches.Table (J);
2327 end loop;
2328
2329 for J in 1 .. Carg_Switches.Last loop
2330 Arg_Num := Arg_Num + 1;
2331 The_Args (Arg_Num) := Carg_Switches.Table (J);
2332 end loop;
2333
2334 for J in 1 .. Rules_Switches.Last loop
2335 Arg_Num := Arg_Num + 1;
2336 The_Args (Arg_Num) := Rules_Switches.Table (J);
2337 end loop;
2338
2339 -- If Display_Command is on, only display the generated command
2340
2341 if Display_Command then
2342 Put (Standard_Error, "generated command -->");
2343 Put (Standard_Error, Exec_Path.all);
2344
2345 for Arg in The_Args'Range loop
2346 Put (Standard_Error, " ");
2347 Put (Standard_Error, The_Args (Arg).all);
2348 end loop;
2349
2350 Put (Standard_Error, "<--");
2351 New_Line (Standard_Error);
2352 raise Normal_Exit;
2353 end if;
2354
2355 if Verbose_Mode then
2356 Output.Write_Str (Exec_Path.all);
2357
2358 for Arg in The_Args'Range loop
2359 Output.Write_Char (' ');
2360 Output.Write_Str (The_Args (Arg).all);
2361 end loop;
2362
2363 Output.Write_Eol;
2364 end if;
2365
2366 My_Exit_Status :=
2367 Exit_Status (Spawn (Exec_Path.all, The_Args));
2368 raise Normal_Exit;
2369 end;
2370 end;
2371
2372 exception
2373 when Error_Exit =>
2374 if not Keep_Temporary_Files then
2375 Prj.Delete_All_Temp_Files (Project_Tree);
2376 Delete_Temp_Config_Files;
2377 end if;
2378
2379 Set_Exit_Status (Failure);
2380
2381 when Normal_Exit =>
2382 if not Keep_Temporary_Files then
2383 Prj.Delete_All_Temp_Files (Project_Tree);
2384 Delete_Temp_Config_Files;
2385 end if;
2386
2387 -- Since GNATCmd is normally called from DCL (the VMS shell), it must
2388 -- return an understandable VMS exit status. However the exit status
2389 -- returned *to* GNATCmd is a Posix style code, so we test it and return
2390 -- just a simple success or failure on VMS.
2391
2392 if Hostparm.OpenVMS and then My_Exit_Status /= Success then
2393 Set_Exit_Status (Failure);
2394 else
2395 Set_Exit_Status (My_Exit_Status);
2396 end if;
2397 end GNATCmd;
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