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2008-05-30 Vladimir Makarov <vmakarov@redhat.com>
[official-gcc.git] / gcc / ada / gnatcmd.adb
blobc75931a42d5ea35f0cf2cade5562e5b772be9b21
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) 1996-2008, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
20 -- --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
23 -- --
24 ------------------------------------------------------------------------------
25
26 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
27
28 with Csets;
29 with MLib.Tgt; use MLib.Tgt;
30 with MLib.Utl;
31 with MLib.Fil;
32 with Namet; use Namet;
33 with Opt; use Opt;
34 with Osint; use Osint;
35 with Output;
36 with Prj; use Prj;
37 with Prj.Env;
38 with Prj.Ext; use Prj.Ext;
39 with Prj.Pars;
40 with Prj.Util; use Prj.Util;
41 with Sinput.P;
42 with Snames; use Snames;
43 with Table;
44 with Targparm;
45 with Tempdir;
46 with Types; use Types;
47 with Hostparm; use Hostparm;
48 -- Used to determine if we are in VMS or not for error message purposes
49
50 with Ada.Characters.Handling; use Ada.Characters.Handling;
51 with Ada.Command_Line; use Ada.Command_Line;
52 with Ada.Text_IO; use Ada.Text_IO;
53
54 with GNAT.OS_Lib; use GNAT.OS_Lib;
55
56 with VMS_Conv; use VMS_Conv;
57
58 procedure GNATCmd is
59 Project_Tree : constant Project_Tree_Ref := new Project_Tree_Data;
60 Project_File : String_Access;
61 Project : Prj.Project_Id;
62 Current_Verbosity : Prj.Verbosity := Prj.Default;
63 Tool_Package_Name : Name_Id := No_Name;
64
65 B_Start : String_Ptr := new String'("b~");
66 -- Prefix of binder generated file, changed to b__ for VMS
67
68 Old_Project_File_Used : Boolean := False;
69 -- This flag indicates a switch -p (for gnatxref and gnatfind) for
70 -- an old fashioned project file. -p cannot be used in conjunction
71 -- with -P.
72
73 Max_Files_On_The_Command_Line : constant := 30; -- Arbitrary
74
75 Temp_File_Name : String_Access := null;
76 -- The name of the temporary text file to put a list of source/object
77 -- files to pass to a tool, when there are more than
78 -- Max_Files_On_The_Command_Line files.
79
80 ASIS_Main : String_Access := null;
81 -- Main for commands Check, Metric and Pretty, when -U is used
82
83 package First_Switches is new Table.Table
84 (Table_Component_Type => String_Access,
85 Table_Index_Type => Integer,
86 Table_Low_Bound => 1,
87 Table_Initial => 20,
88 Table_Increment => 100,
89 Table_Name => "Gnatcmd.First_Switches");
90 -- A table to keep the switches from the project file
91
92 package Carg_Switches is new Table.Table
93 (Table_Component_Type => String_Access,
94 Table_Index_Type => Integer,
95 Table_Low_Bound => 1,
96 Table_Initial => 20,
97 Table_Increment => 100,
98 Table_Name => "Gnatcmd.Carg_Switches");
99 -- A table to keep the switches following -cargs for ASIS tools
100
101 package Rules_Switches is new Table.Table
102 (Table_Component_Type => String_Access,
103 Table_Index_Type => Integer,
104 Table_Low_Bound => 1,
105 Table_Initial => 20,
106 Table_Increment => 100,
107 Table_Name => "Gnatcmd.Rules_Switches");
108 -- A table to keep the switches following -rules for gnatcheck
109
110 package Library_Paths is new Table.Table (
111 Table_Component_Type => String_Access,
112 Table_Index_Type => Integer,
113 Table_Low_Bound => 1,
114 Table_Initial => 20,
115 Table_Increment => 100,
116 Table_Name => "Make.Library_Path");
117
118 -- Packages of project files to pass to Prj.Pars.Parse, depending on the
119 -- tool. We allocate objects because we cannot declare aliased objects
120 -- as we are in a procedure, not a library level package.
121
122 subtype SA is String_Access;
123
124 Naming_String : constant SA := new String'("naming");
125 Binder_String : constant SA := new String'("binder");
126 Compiler_String : constant SA := new String'("compiler");
127 Check_String : constant SA := new String'("check");
128 Synchronize_String : constant SA := new String'("synchronize");
129 Eliminate_String : constant SA := new String'("eliminate");
130 Finder_String : constant SA := new String'("finder");
131 Linker_String : constant SA := new String'("linker");
132 Gnatls_String : constant SA := new String'("gnatls");
133 Pretty_String : constant SA := new String'("pretty_printer");
134 Stack_String : constant SA := new String'("stack");
135 Gnatstub_String : constant SA := new String'("gnatstub");
136 Metric_String : constant SA := new String'("metrics");
137 Xref_String : constant SA := new String'("cross_reference");
138
139 Packages_To_Check_By_Binder : constant String_List_Access :=
140 new String_List'((Naming_String, Binder_String));
141
142 Packages_To_Check_By_Check : constant String_List_Access :=
143 new String_List'((Naming_String, Check_String, Compiler_String));
144
145 Packages_To_Check_By_Sync : constant String_List_Access :=
146 new String_List'((Naming_String, Synchronize_String, Compiler_String));
147
148 Packages_To_Check_By_Eliminate : constant String_List_Access :=
149 new String_List'((Naming_String, Eliminate_String, Compiler_String));
150
151 Packages_To_Check_By_Finder : constant String_List_Access :=
152 new String_List'((Naming_String, Finder_String));
153
154 Packages_To_Check_By_Linker : constant String_List_Access :=
155 new String_List'((Naming_String, Linker_String));
156
157 Packages_To_Check_By_Gnatls : constant String_List_Access :=
158 new String_List'((Naming_String, Gnatls_String));
159
160 Packages_To_Check_By_Pretty : constant String_List_Access :=
161 new String_List'((Naming_String, Pretty_String, Compiler_String));
162
163 Packages_To_Check_By_Stack : constant String_List_Access :=
164 new String_List'((Naming_String, Stack_String));
165
166 Packages_To_Check_By_Gnatstub : constant String_List_Access :=
167 new String_List'((Naming_String, Gnatstub_String, Compiler_String));
168
169 Packages_To_Check_By_Metric : constant String_List_Access :=
170 new String_List'((Naming_String, Metric_String, Compiler_String));
171
172 Packages_To_Check_By_Xref : constant String_List_Access :=
173 new String_List'((Naming_String, Xref_String));
174
175 Packages_To_Check : String_List_Access := Prj.All_Packages;
176
177 ----------------------------------
178 -- Declarations for GNATCMD use --
179 ----------------------------------
180
181 The_Command : Command_Type;
182 -- The command specified in the invocation of the GNAT driver
183
184 Command_Arg : Positive := 1;
185 -- The index of the command in the arguments of the GNAT driver
186
187 My_Exit_Status : Exit_Status := Success;
188 -- The exit status of the spawned tool. Used to set the correct VMS
189 -- exit status.
190
191 Current_Work_Dir : constant String := Get_Current_Dir;
192 -- The path of the working directory
193
194 All_Projects : Boolean := False;
195 -- Flag used for GNAT CHECK, GNAT PRETTY, GNAT METRIC, and GNAT STACK to
196 -- indicate that the underlying tool (gnatcheck, gnatpp or gnatmetric)
197 -- should be invoked for all sources of all projects.
198
199 -----------------------
200 -- Local Subprograms --
201 -----------------------
202
203 procedure Add_To_Carg_Switches (Switch : String_Access);
204 -- Add a switch to the Carg_Switches table. If it is the first one, put the
205 -- switch "-cargs" at the beginning of the table.
206
207 procedure Add_To_Rules_Switches (Switch : String_Access);
208 -- Add a switch to the Rules_Switches table. If it is the first one, put
209 -- the switch "-crules" at the beginning of the table.
210
211 procedure Check_Files;
212 -- For GNAT LIST, GNAT PRETTY, GNAT METRIC, and GNAT STACK, check if a
213 -- project file is specified, without any file arguments. If it is the
214 -- case, invoke the GNAT tool with the proper list of files, derived from
215 -- the sources of the project.
216
217 function Check_Project
218 (Project : Project_Id;
219 Root_Project : Project_Id) return Boolean;
220 -- Returns True if Project = Root_Project or if we want to consider all
221 -- sources of all projects. For GNAT METRIC, also returns True if Project
222 -- is extended by Root_Project.
223
224 procedure Check_Relative_Executable (Name : in out String_Access);
225 -- Check if an executable is specified as a relative path. If it is, and
226 -- the path contains directory information, fail. Otherwise, prepend the
227 -- exec directory. This procedure is only used for GNAT LINK when a project
228 -- file is specified.
229
230 function Configuration_Pragmas_File return Path_Name_Type;
231 -- Return an argument, if there is a configuration pragmas file to be
232 -- specified for Project, otherwise return No_Name. Used for gnatstub (GNAT
233 -- STUB), gnatpp (GNAT PRETTY), gnatelim (GNAT ELIM), and gnatmetric (GNAT
234 -- METRIC).
235
236 procedure Delete_Temp_Config_Files;
237 -- Delete all temporary config files. The caller is responsible for
238 -- ensuring that Keep_Temporary_Files is False.
239
240 procedure Get_Closure;
241 -- Get the sources in the closure of the ASIS_Main and add them to the
242 -- list of arguments.
243
244 function Index (Char : Character; Str : String) return Natural;
245 -- Returns first occurrence of Char in Str, returns 0 if Char not in Str
246
247 procedure Non_VMS_Usage;
248 -- Display usage for platforms other than VMS
249
250 procedure Process_Link;
251 -- Process GNAT LINK, when there is a project file specified
252
253 procedure Set_Library_For
254 (Project : Project_Id;
255 There_Are_Libraries : in out Boolean);
256 -- If Project is a library project, add the correct -L and -l switches to
257 -- the linker invocation.
258
259 procedure Set_Libraries is
260 new For_Every_Project_Imported (Boolean, Set_Library_For);
261 -- Add the -L and -l switches to the linker for all of the library
262 -- projects.
263
264 procedure Test_If_Relative_Path
265 (Switch : in out String_Access;
266 Parent : String);
267 -- Test if Switch is a relative search path switch. If it is and it
268 -- includes directory information, prepend the path with Parent. This
269 -- subprogram is only called when using project files.
270
271 --------------------------
272 -- Add_To_Carg_Switches --
273 --------------------------
274
275 procedure Add_To_Carg_Switches (Switch : String_Access) is
276 begin
277 -- If the Carg_Switches table is empty, put "-cargs" at the beginning
278
279 if Carg_Switches.Last = 0 then
280 Carg_Switches.Increment_Last;
281 Carg_Switches.Table (Carg_Switches.Last) := new String'("-cargs");
282 end if;
283
284 Carg_Switches.Increment_Last;
285 Carg_Switches.Table (Carg_Switches.Last) := Switch;
286 end Add_To_Carg_Switches;
287
288 ---------------------------
289 -- Add_To_Rules_Switches --
290 ---------------------------
291
292 procedure Add_To_Rules_Switches (Switch : String_Access) is
293 begin
294 -- If the Rules_Switches table is empty, put "-rules" at the beginning
295
296 if Rules_Switches.Last = 0 then
297 Rules_Switches.Increment_Last;
298 Rules_Switches.Table (Rules_Switches.Last) := new String'("-rules");
299 end if;
300
301 Rules_Switches.Increment_Last;
302 Rules_Switches.Table (Rules_Switches.Last) := Switch;
303 end Add_To_Rules_Switches;
304
305 -----------------
306 -- Check_Files --
307 -----------------
308
309 procedure Check_Files is
310 Add_Sources : Boolean := True;
311 Unit_Data : Prj.Unit_Data;
312 Subunit : Boolean := False;
313
314 begin
315 -- Check if there is at least one argument that is not a switch
316
317 for Index in 1 .. Last_Switches.Last loop
318 if Last_Switches.Table (Index) (1) /= '-' then
319 Add_Sources := False;
320 exit;
321 end if;
322 end loop;
323
324 -- If all arguments were switches, add the path names of all the sources
325 -- of the main project.
326
327 if Add_Sources then
328 declare
329 Current_Last : constant Integer := Last_Switches.Last;
330 begin
331 -- Gnatstack needs to add the .ci file for the binder
332 -- generated files corresponding to all of the library projects
333 -- and main units belonging to the application.
334
335 if The_Command = Stack then
336 for Proj in Project_Table.First ..
337 Project_Table.Last (Project_Tree.Projects)
338 loop
339 if Check_Project (Proj, Project) then
340 declare
341 Data : Project_Data renames
342 Project_Tree.Projects.Table (Proj);
343 Main : String_List_Id := Data.Mains;
344 File : String_Access;
345
346 begin
347 -- Include binder generated files for main programs
348
349 while Main /= Nil_String loop
350 File :=
351 new String'
352 (Get_Name_String (Data.Object_Directory.Name) &
353 Directory_Separator &
354 B_Start.all &
355 MLib.Fil.Ext_To
356 (Get_Name_String
357 (Project_Tree.String_Elements.Table
358 (Main).Value),
359 "ci"));
360
361 if Is_Regular_File (File.all) then
362 Last_Switches.Increment_Last;
363 Last_Switches.Table (Last_Switches.Last) := File;
364 end if;
365
366 Main :=
367 Project_Tree.String_Elements.Table (Main).Next;
368 end loop;
369
370 if Data.Library then
371
372 -- Include the .ci file for the binder generated
373 -- files that contains the initialization and
374 -- finalization of the library.
375
376 File :=
377 new String'
378 (Get_Name_String (Data.Object_Directory.Name) &
379 Directory_Separator &
380 B_Start.all &
381 Get_Name_String (Data.Library_Name) &
382 ".ci");
383
384 if Is_Regular_File (File.all) then
385 Last_Switches.Increment_Last;
386 Last_Switches.Table (Last_Switches.Last) := File;
387 end if;
388 end if;
389 end;
390 end if;
391 end loop;
392 end if;
393
394 for Unit in Unit_Table.First ..
395 Unit_Table.Last (Project_Tree.Units)
396 loop
397 Unit_Data := Project_Tree.Units.Table (Unit);
398
399 -- For gnatls, we only need to put the library units, body or
400 -- spec, but not the subunits.
401
402 if The_Command = List then
403 if
404 Unit_Data.File_Names (Body_Part).Name /= No_File
405 and then
406 Unit_Data.File_Names (Body_Part).Path.Name /= Slash
407 then
408 -- There is a body, check if it is for this project
409
410 if All_Projects or else
411 Unit_Data.File_Names (Body_Part).Project = Project
412 then
413 Subunit := False;
414
415 if
416 Unit_Data.File_Names (Specification).Name = No_File
417 or else
418 Unit_Data.File_Names
419 (Specification).Path.Name = Slash
420 then
421 -- We have a body with no spec: we need to check if
422 -- this is a subunit, because gnatls will complain
423 -- about subunits.
424
425 declare
426 Src_Ind : Source_File_Index;
427
428 begin
429 Src_Ind := Sinput.P.Load_Project_File
430 (Get_Name_String
431 (Unit_Data.File_Names
432 (Body_Part).Path.Name));
433
434 Subunit :=
435 Sinput.P.Source_File_Is_Subunit
436 (Src_Ind);
437 end;
438 end if;
439
440 if not Subunit then
441 Last_Switches.Increment_Last;
442 Last_Switches.Table (Last_Switches.Last) :=
443 new String'
444 (Get_Name_String
445 (Unit_Data.File_Names
446 (Body_Part).Display_Name));
447 end if;
448 end if;
449
450 elsif
451 Unit_Data.File_Names (Specification).Name /= No_File
452 and then
453 Unit_Data.File_Names (Specification).Path.Name /= Slash
454 then
455 -- We have a spec with no body; check if it is for this
456 -- project.
457
458 if All_Projects or else
459 Unit_Data.File_Names (Specification).Project = Project
460 then
461 Last_Switches.Increment_Last;
462 Last_Switches.Table (Last_Switches.Last) :=
463 new String'
464 (Get_Name_String
465 (Unit_Data.File_Names
466 (Specification).Display_Name));
467 end if;
468 end if;
469
470 -- For gnatstack, we put the .ci files corresponding to the
471 -- different units, including the binder generated files. We
472 -- only need to do that for the library units, body or spec,
473 -- but not the subunits.
474
475 elsif The_Command = Stack then
476 if
477 Unit_Data.File_Names (Body_Part).Name /= No_File
478 and then
479 Unit_Data.File_Names (Body_Part).Path.Name /= Slash
480 then
481 -- There is a body. Check if .ci files for this project
482 -- must be added.
483
484 if
485 Check_Project
486 (Unit_Data.File_Names (Body_Part).Project, Project)
487 then
488 Subunit := False;
489
490 if
491 Unit_Data.File_Names (Specification).Name = No_File
492 or else
493 Unit_Data.File_Names
494 (Specification).Path.Name = Slash
495 then
496 -- We have a body with no spec: we need to check
497 -- if this is a subunit, because .ci files are not
498 -- generated for subunits.
499
500 declare
501 Src_Ind : Source_File_Index;
502
503 begin
504 Src_Ind := Sinput.P.Load_Project_File
505 (Get_Name_String
506 (Unit_Data.File_Names
507 (Body_Part).Path.Name));
508
509 Subunit :=
510 Sinput.P.Source_File_Is_Subunit (Src_Ind);
511 end;
512 end if;
513
514 if not Subunit then
515 Last_Switches.Increment_Last;
516 Last_Switches.Table (Last_Switches.Last) :=
517 new String'
518 (Get_Name_String
519 (Project_Tree.Projects.Table
520 (Unit_Data.File_Names
521 (Body_Part).Project).
522 Object_Directory.Name) &
523 Directory_Separator &
524 MLib.Fil.Ext_To
525 (Get_Name_String
526 (Unit_Data.File_Names
527 (Body_Part).Display_Name),
528 "ci"));
529 end if;
530 end if;
531
532 elsif
533 Unit_Data.File_Names (Specification).Name /= No_File
534 and then
535 Unit_Data.File_Names (Specification).Path.Name /= Slash
536 then
537 -- We have a spec with no body. Check if it is for this
538 -- project.
539
540 if
541 Check_Project
542 (Unit_Data.File_Names (Specification).Project,
543 Project)
544 then
545 Last_Switches.Increment_Last;
546 Last_Switches.Table (Last_Switches.Last) :=
547 new String'
548 (Get_Name_String
549 (Project_Tree.Projects.Table
550 (Unit_Data.File_Names
551 (Specification).Project).
552 Object_Directory.Name) &
553 Dir_Separator &
554 MLib.Fil.Ext_To
555 (Get_Name_String
556 (Unit_Data.File_Names
557 (Specification).Name),
558 "ci"));
559 end if;
560 end if;
561
562 else
563 -- For gnatcheck, gnatsync, gnatpp and gnatmetric, put all
564 -- sources of the project, or of all projects if -U was
565 -- specified.
566
567 for Kind in Spec_Or_Body loop
568 if Check_Project
569 (Unit_Data.File_Names (Kind).Project, Project)
570 and then Unit_Data.File_Names (Kind).Name /= No_File
571 and then Unit_Data.File_Names (Kind).Path.Name /= Slash
572 then
573 Last_Switches.Increment_Last;
574 Last_Switches.Table (Last_Switches.Last) :=
575 new String'
576 (Get_Name_String
577 (Unit_Data.File_Names
578 (Kind).Path.Display_Name));
579 end if;
580 end loop;
581 end if;
582 end loop;
583
584 -- If the list of files is too long, create a temporary text file
585 -- that lists these files, and pass this temp file to gnatcheck,
586 -- gnatpp or gnatmetric using switch -files=.
587
588 if Last_Switches.Last - Current_Last >
589 Max_Files_On_The_Command_Line
590 then
591 declare
592 Temp_File_FD : File_Descriptor;
593 Buffer : String (1 .. 1_000);
594 Len : Natural;
595 OK : Boolean := True;
596
597 begin
598 Create_Temp_File (Temp_File_FD, Temp_File_Name);
599
600 if Temp_File_Name /= null then
601 for Index in Current_Last + 1 ..
602 Last_Switches.Last
603 loop
604 Len := Last_Switches.Table (Index)'Length;
605 Buffer (1 .. Len) := Last_Switches.Table (Index).all;
606 Len := Len + 1;
607 Buffer (Len) := ASCII.LF;
608 Buffer (Len + 1) := ASCII.NUL;
609 OK :=
610 Write (Temp_File_FD,
611 Buffer (1)'Address,
612 Len) = Len;
613 exit when not OK;
614 end loop;
615
616 if OK then
617 Close (Temp_File_FD, OK);
618 else
619 Close (Temp_File_FD, OK);
620 OK := False;
621 end if;
622
623 -- If there were any problem creating the temp file, then
624 -- pass the list of files.
625
626 if OK then
627
628 -- Replace list of files with -files=<temp file name>
629
630 Last_Switches.Set_Last (Current_Last + 1);
631 Last_Switches.Table (Last_Switches.Last) :=
632 new String'("-files=" & Temp_File_Name.all);
633 end if;
634 end if;
635 end;
636 end if;
637 end;
638 end if;
639 end Check_Files;
640
641 -------------------
642 -- Check_Project --
643 -------------------
644
645 function Check_Project
646 (Project : Project_Id;
647 Root_Project : Project_Id) return Boolean
648 is
649 begin
650 if Project = No_Project then
651 return False;
652
653 elsif All_Projects or Project = Root_Project then
654 return True;
655
656 elsif The_Command = Metric then
657 declare
658 Data : Project_Data;
659
660 begin
661 Data := Project_Tree.Projects.Table (Root_Project);
662 while Data.Extends /= No_Project loop
663 if Project = Data.Extends then
664 return True;
665 end if;
666
667 Data := Project_Tree.Projects.Table (Data.Extends);
668 end loop;
669 end;
670 end if;
671
672 return False;
673 end Check_Project;
674
675 -------------------------------
676 -- Check_Relative_Executable --
677 -------------------------------
678
679 procedure Check_Relative_Executable (Name : in out String_Access) is
680 Exec_File_Name : constant String := Name.all;
681
682 begin
683 if not Is_Absolute_Path (Exec_File_Name) then
684 for Index in Exec_File_Name'Range loop
685 if Exec_File_Name (Index) = Directory_Separator then
686 Fail ("relative executable (""" &
687 Exec_File_Name &
688 """) with directory part not allowed " &
689 "when using project files");
690 end if;
691 end loop;
692
693 Get_Name_String (Project_Tree.Projects.Table
694 (Project).Exec_Directory.Name);
695
696 if Name_Buffer (Name_Len) /= Directory_Separator then
697 Name_Len := Name_Len + 1;
698 Name_Buffer (Name_Len) := Directory_Separator;
699 end if;
700
701 Name_Buffer (Name_Len + 1 ..
702 Name_Len + Exec_File_Name'Length) :=
703 Exec_File_Name;
704 Name_Len := Name_Len + Exec_File_Name'Length;
705 Name := new String'(Name_Buffer (1 .. Name_Len));
706 end if;
707 end Check_Relative_Executable;
708
709 --------------------------------
710 -- Configuration_Pragmas_File --
711 --------------------------------
712
713 function Configuration_Pragmas_File return Path_Name_Type is
714 begin
715 Prj.Env.Create_Config_Pragmas_File
716 (Project, Project, Project_Tree, Include_Config_Files => False);
717 return Project_Tree.Projects.Table (Project).Config_File_Name;
718 end Configuration_Pragmas_File;
719
720 ------------------------------
721 -- Delete_Temp_Config_Files --
722 ------------------------------
723
724 procedure Delete_Temp_Config_Files is
725 Success : Boolean;
726 pragma Warnings (Off, Success);
727
728 begin
729 -- This should only be called if Keep_Temporary_Files is False
730
731 pragma Assert (not Keep_Temporary_Files);
732
733 if Project /= No_Project then
734 for Prj in Project_Table.First ..
735 Project_Table.Last (Project_Tree.Projects)
736 loop
737 if
738 Project_Tree.Projects.Table (Prj).Config_File_Temp
739 then
740 if Verbose_Mode then
741 Output.Write_Str ("Deleting temp configuration file """);
742 Output.Write_Str
743 (Get_Name_String
744 (Project_Tree.Projects.Table
745 (Prj).Config_File_Name));
746 Output.Write_Line ("""");
747 end if;
748
749 Delete_File
750 (Name =>
751 Get_Name_String
752 (Project_Tree.Projects.Table (Prj).Config_File_Name),
753 Success => Success);
754 end if;
755 end loop;
756 end if;
757
758 -- If a temporary text file that contains a list of files for a tool
759 -- has been created, delete this temporary file.
760
761 if Temp_File_Name /= null then
762 Delete_File (Temp_File_Name.all, Success);
763 end if;
764 end Delete_Temp_Config_Files;
765
766 -----------------
767 -- Get_Closure --
768 -----------------
769
770 procedure Get_Closure is
771 Args : constant Argument_List :=
772 (1 => new String'("-q"),
773 2 => new String'("-b"),
774 3 => new String'("-P"),
775 4 => Project_File,
776 5 => ASIS_Main,
777 6 => new String'("-bargs"),
778 7 => new String'("-R"),
779 8 => new String'("-Z"));
780 -- Arguments for the invocation of gnatmake which are added to the
781 -- Last_Arguments list by this procedure.
782
783 FD : File_Descriptor;
784 -- File descriptor for the temp file that will get the output of the
785 -- invocation of gnatmake.
786
787 Name : Path_Name_Type;
788 -- Path of the file FD
789
790 GN_Name : constant String := Program_Name ("gnatmake", "gnat").all;
791 -- Name for gnatmake
792
793 GN_Path : constant String_Access := Locate_Exec_On_Path (GN_Name);
794 -- Path of gnatmake
795
796 Return_Code : Integer;
797
798 Unused : Boolean;
799 pragma Warnings (Off, Unused);
800
801 File : Ada.Text_IO.File_Type;
802 Line : String (1 .. 250);
803 Last : Natural;
804 -- Used to read file if there is an error, it is good enough to display
805 -- just 250 characters if the first line of the file is very long.
806
807 Udata : Unit_Data;
808 Path : Path_Name_Type;
809
810 begin
811 if GN_Path = null then
812 Put_Line (Standard_Error, "could not locate " & GN_Name);
813 raise Error_Exit;
814 end if;
815
816 -- Create the temp file
817
818 Tempdir.Create_Temp_File (FD, Name);
819
820 -- And close it, because on VMS Spawn with a file descriptor created
821 -- with Create_Temp_File does not redirect output.
822
823 Close (FD);
824
825 -- Spawn "gnatmake -q -b -P <project> <main> -bargs -R -Z"
826
827 Spawn
828 (Program_Name => GN_Path.all,
829 Args => Args,
830 Output_File => Get_Name_String (Name),
831 Success => Unused,
832 Return_Code => Return_Code,
833 Err_To_Out => True);
834
835 Close (FD);
836
837 -- Read the output of the invocation of gnatmake
838
839 Open (File, In_File, Get_Name_String (Name));
840
841 -- If it was unsuccessful, display the first line in the file and exit
842 -- with error.
843
844 if Return_Code /= 0 then
845 Get_Line (File, Line, Last);
846
847 if not Keep_Temporary_Files then
848 Delete (File);
849 else
850 Close (File);
851 end if;
852
853 Put_Line (Standard_Error, Line (1 .. Last));
854 Put_Line
855 (Standard_Error, "could not get closure of " & ASIS_Main.all);
856 raise Error_Exit;
857
858 else
859 -- Get each file name in the file, find its path and add it the
860 -- list of arguments.
861
862 while not End_Of_File (File) loop
863 Get_Line (File, Line, Last);
864 Path := No_Path;
865
866 for Unit in Unit_Table.First ..
867 Unit_Table.Last (Project_Tree.Units)
868 loop
869 Udata := Project_Tree.Units.Table (Unit);
870
871 if Udata.File_Names (Specification).Name /= No_File
872 and then
873 Get_Name_String (Udata.File_Names (Specification).Name) =
874 Line (1 .. Last)
875 then
876 Path := Udata.File_Names (Specification).Path.Name;
877 exit;
878
879 elsif Udata.File_Names (Body_Part).Name /= No_File
880 and then
881 Get_Name_String (Udata.File_Names (Body_Part).Name) =
882 Line (1 .. Last)
883 then
884 Path := Udata.File_Names (Body_Part).Path.Name;
885 exit;
886 end if;
887 end loop;
888
889 Last_Switches.Increment_Last;
890
891 if Path /= No_Path then
892 Last_Switches.Table (Last_Switches.Last) :=
893 new String'(Get_Name_String (Path));
894
895 else
896 Last_Switches.Table (Last_Switches.Last) :=
897 new String'(Line (1 .. Last));
898 end if;
899 end loop;
900
901 if not Keep_Temporary_Files then
902 Delete (File);
903 else
904 Close (File);
905 end if;
906 end if;
907 end Get_Closure;
908
909 -----------
910 -- Index --
911 -----------
912
913 function Index (Char : Character; Str : String) return Natural is
914 begin
915 for Index in Str'Range loop
916 if Str (Index) = Char then
917 return Index;
918 end if;
919 end loop;
920
921 return 0;
922 end Index;
923
924 ------------------
925 -- Process_Link --
926 ------------------
927
928 procedure Process_Link is
929 Look_For_Executable : Boolean := True;
930 There_Are_Libraries : Boolean := False;
931 Path_Option : constant String_Access :=
932 MLib.Linker_Library_Path_Option;
933 Prj : Project_Id := Project;
934 Arg : String_Access;
935 Last : Natural := 0;
936 Skip_Executable : Boolean := False;
937
938 begin
939 -- Add the default search directories, to be able to find
940 -- libgnat in call to MLib.Utl.Lib_Directory.
941
942 Add_Default_Search_Dirs;
943
944 Library_Paths.Set_Last (0);
945
946 -- Check if there are library project files
947
948 if MLib.Tgt.Support_For_Libraries /= None then
949 Set_Libraries (Project, Project_Tree, There_Are_Libraries);
950 end if;
951
952 -- If there are, add the necessary additional switches
953
954 if There_Are_Libraries then
955
956 -- Add -L<lib_dir> -lgnarl -lgnat -Wl,-rpath,<lib_dir>
957
958 Last_Switches.Increment_Last;
959 Last_Switches.Table (Last_Switches.Last) :=
960 new String'("-L" & MLib.Utl.Lib_Directory);
961 Last_Switches.Increment_Last;
962 Last_Switches.Table (Last_Switches.Last) :=
963 new String'("-lgnarl");
964 Last_Switches.Increment_Last;
965 Last_Switches.Table (Last_Switches.Last) :=
966 new String'("-lgnat");
967
968 -- If Path_Option is not null, create the switch ("-Wl,-rpath," or
969 -- equivalent) with all the library dirs plus the standard GNAT
970 -- library dir.
971
972 if Path_Option /= null then
973 declare
974 Option : String_Access;
975 Length : Natural := Path_Option'Length;
976 Current : Natural;
977
978 begin
979 -- First, compute the exact length for the switch
980
981 for Index in
982 Library_Paths.First .. Library_Paths.Last
983 loop
984 -- Add the length of the library dir plus one for the
985 -- directory separator.
986
987 Length :=
988 Length +
989 Library_Paths.Table (Index)'Length + 1;
990 end loop;
991
992 -- Finally, add the length of the standard GNAT library dir
993
994 Length := Length + MLib.Utl.Lib_Directory'Length;
995 Option := new String (1 .. Length);
996 Option (1 .. Path_Option'Length) := Path_Option.all;
997 Current := Path_Option'Length;
998
999 -- Put each library dir followed by a dir separator
1000
1001 for Index in
1002 Library_Paths.First .. Library_Paths.Last
1003 loop
1004 Option
1005 (Current + 1 ..
1006 Current +
1007 Library_Paths.Table (Index)'Length) :=
1008 Library_Paths.Table (Index).all;
1009 Current :=
1010 Current +
1011 Library_Paths.Table (Index)'Length + 1;
1012 Option (Current) := Path_Separator;
1013 end loop;
1014
1015 -- Finally put the standard GNAT library dir
1016
1017 Option
1018 (Current + 1 ..
1019 Current + MLib.Utl.Lib_Directory'Length) :=
1020 MLib.Utl.Lib_Directory;
1021
1022 -- And add the switch to the last switches
1023
1024 Last_Switches.Increment_Last;
1025 Last_Switches.Table (Last_Switches.Last) :=
1026 Option;
1027 end;
1028 end if;
1029 end if;
1030
1031 -- Check if the first ALI file specified can be found, either in the
1032 -- object directory of the main project or in an object directory of a
1033 -- project file extended by the main project. If the ALI file can be
1034 -- found, replace its name with its absolute path.
1035
1036 Skip_Executable := False;
1037
1038 Switch_Loop : for J in 1 .. Last_Switches.Last loop
1039
1040 -- If we have an executable just reset the flag
1041
1042 if Skip_Executable then
1043 Skip_Executable := False;
1044
1045 -- If -o, set flag so that next switch is not processed
1046
1047 elsif Last_Switches.Table (J).all = "-o" then
1048 Skip_Executable := True;
1049
1050 -- Normal case
1051
1052 else
1053 declare
1054 Switch : constant String :=
1055 Last_Switches.Table (J).all;
1056
1057 ALI_File : constant String (1 .. Switch'Length + 4) :=
1058 Switch & ".ali";
1059
1060 Test_Existence : Boolean := False;
1061
1062 begin
1063 Last := Switch'Length;
1064
1065 -- Skip real switches
1066
1067 if Switch'Length /= 0
1068 and then Switch (Switch'First) /= '-'
1069 then
1070 -- Append ".ali" if file name does not end with it
1071
1072 if Switch'Length <= 4
1073 or else Switch (Switch'Last - 3 .. Switch'Last)
1074 /= ".ali"
1075 then
1076 Last := ALI_File'Last;
1077 end if;
1078
1079 -- If file name includes directory information, stop if ALI
1080 -- file exists.
1081
1082 if Is_Absolute_Path (ALI_File (1 .. Last)) then
1083 Test_Existence := True;
1084
1085 else
1086 for K in Switch'Range loop
1087 if Switch (K) = '/' or else
1088 Switch (K) = Directory_Separator
1089 then
1090 Test_Existence := True;
1091 exit;
1092 end if;
1093 end loop;
1094 end if;
1095
1096 if Test_Existence then
1097 if Is_Regular_File (ALI_File (1 .. Last)) then
1098 exit Switch_Loop;
1099 end if;
1100
1101 -- Look in object directories if ALI file exists
1102
1103 else
1104 Project_Loop : loop
1105 declare
1106 Dir : constant String :=
1107 Get_Name_String
1108 (Project_Tree.Projects.Table
1109 (Prj).Object_Directory.Name);
1110 begin
1111 if Is_Regular_File
1112 (Dir &
1113 Directory_Separator &
1114 ALI_File (1 .. Last))
1115 then
1116 -- We have found the correct project, so we
1117 -- replace the file with the absolute path.
1118
1119 Last_Switches.Table (J) :=
1120 new String'
1121 (Dir & Directory_Separator &
1122 ALI_File (1 .. Last));
1123
1124 -- And we are done
1125
1126 exit Switch_Loop;
1127 end if;
1128 end;
1129
1130 -- Go to the project being extended, if any
1131
1132 Prj :=
1133 Project_Tree.Projects.Table (Prj).Extends;
1134 exit Project_Loop when Prj = No_Project;
1135 end loop Project_Loop;
1136 end if;
1137 end if;
1138 end;
1139 end if;
1140 end loop Switch_Loop;
1141
1142 -- If a relative path output file has been specified, we add the exec
1143 -- directory.
1144
1145 for J in reverse 1 .. Last_Switches.Last - 1 loop
1146 if Last_Switches.Table (J).all = "-o" then
1147 Check_Relative_Executable
1148 (Name => Last_Switches.Table (J + 1));
1149 Look_For_Executable := False;
1150 exit;
1151 end if;
1152 end loop;
1153
1154 if Look_For_Executable then
1155 for J in reverse 1 .. First_Switches.Last - 1 loop
1156 if First_Switches.Table (J).all = "-o" then
1157 Look_For_Executable := False;
1158 Check_Relative_Executable
1159 (Name => First_Switches.Table (J + 1));
1160 exit;
1161 end if;
1162 end loop;
1163 end if;
1164
1165 -- If no executable is specified, then find the name of the first ALI
1166 -- file on the command line and issue a -o switch with the absolute path
1167 -- of the executable in the exec directory.
1168
1169 if Look_For_Executable then
1170 for J in 1 .. Last_Switches.Last loop
1171 Arg := Last_Switches.Table (J);
1172 Last := 0;
1173
1174 if Arg'Length /= 0 and then Arg (Arg'First) /= '-' then
1175 if Arg'Length > 4
1176 and then Arg (Arg'Last - 3 .. Arg'Last) = ".ali"
1177 then
1178 Last := Arg'Last - 4;
1179
1180 elsif Is_Regular_File (Arg.all & ".ali") then
1181 Last := Arg'Last;
1182 end if;
1183
1184 if Last /= 0 then
1185 Last_Switches.Increment_Last;
1186 Last_Switches.Table (Last_Switches.Last) :=
1187 new String'("-o");
1188 Get_Name_String
1189 (Project_Tree.Projects.Table
1190 (Project).Exec_Directory.Name);
1191 Last_Switches.Increment_Last;
1192 Last_Switches.Table (Last_Switches.Last) :=
1193 new String'(Name_Buffer (1 .. Name_Len) &
1194 Directory_Separator &
1195 Executable_Name
1196 (Base_Name (Arg (Arg'First .. Last))));
1197 exit;
1198 end if;
1199 end if;
1200 end loop;
1201 end if;
1202 end Process_Link;
1203
1204 ---------------------
1205 -- Set_Library_For --
1206 ---------------------
1207
1208 procedure Set_Library_For
1209 (Project : Project_Id;
1210 There_Are_Libraries : in out Boolean)
1211 is
1212 Path_Option : constant String_Access :=
1213 MLib.Linker_Library_Path_Option;
1214
1215 begin
1216 -- Case of library project
1217
1218 if Project_Tree.Projects.Table (Project).Library then
1219 There_Are_Libraries := True;
1220
1221 -- Add the -L switch
1222
1223 Last_Switches.Increment_Last;
1224 Last_Switches.Table (Last_Switches.Last) :=
1225 new String'("-L" &
1226 Get_Name_String
1227 (Project_Tree.Projects.Table
1228 (Project).Library_Dir.Name));
1229
1230 -- Add the -l switch
1231
1232 Last_Switches.Increment_Last;
1233 Last_Switches.Table (Last_Switches.Last) :=
1234 new String'("-l" &
1235 Get_Name_String
1236 (Project_Tree.Projects.Table
1237 (Project).Library_Name));
1238
1239 -- Add the directory to table Library_Paths, to be processed later
1240 -- if library is not static and if Path_Option is not null.
1241
1242 if Project_Tree.Projects.Table (Project).Library_Kind /=
1243 Static
1244 and then Path_Option /= null
1245 then
1246 Library_Paths.Increment_Last;
1247 Library_Paths.Table (Library_Paths.Last) :=
1248 new String'(Get_Name_String
1249 (Project_Tree.Projects.Table
1250 (Project).Library_Dir.Name));
1251 end if;
1252 end if;
1253 end Set_Library_For;
1254
1255 ---------------------------
1256 -- Test_If_Relative_Path --
1257 ---------------------------
1258
1259 procedure Test_If_Relative_Path
1260 (Switch : in out String_Access;
1261 Parent : String)
1262 is
1263 begin
1264 if Switch /= null then
1265
1266 declare
1267 Sw : String (1 .. Switch'Length);
1268 Start : Positive := 1;
1269
1270 begin
1271 Sw := Switch.all;
1272
1273 if Sw (1) = '-' then
1274 if Sw'Length >= 3
1275 and then (Sw (2) = 'A' or else
1276 Sw (2) = 'I' or else
1277 Sw (2) = 'L')
1278 then
1279 Start := 3;
1280
1281 if Sw = "-I-" then
1282 return;
1283 end if;
1284
1285 elsif Sw'Length >= 4
1286 and then (Sw (2 .. 3) = "aL" or else
1287 Sw (2 .. 3) = "aO" or else
1288 Sw (2 .. 3) = "aI")
1289 then
1290 Start := 4;
1291
1292 elsif Sw'Length >= 7
1293 and then Sw (2 .. 6) = "-RTS="
1294 then
1295 Start := 7;
1296 else
1297 return;
1298 end if;
1299 end if;
1300
1301 -- If the path is relative, test if it includes directory
1302 -- information. If it does, prepend Parent to the path.
1303
1304 if not Is_Absolute_Path (Sw (Start .. Sw'Last)) then
1305 for J in Start .. Sw'Last loop
1306 if Sw (J) = Directory_Separator then
1307 Switch :=
1308 new String'
1309 (Sw (1 .. Start - 1) &
1310 Parent &
1311 Directory_Separator &
1312 Sw (Start .. Sw'Last));
1313 return;
1314 end if;
1315 end loop;
1316 end if;
1317 end;
1318 end if;
1319 end Test_If_Relative_Path;
1320
1321 -------------------
1322 -- Non_VMS_Usage --
1323 -------------------
1324
1325 procedure Non_VMS_Usage is
1326 begin
1327 Output_Version;
1328 New_Line;
1329 Put_Line ("List of available commands");
1330 New_Line;
1331
1332 for C in Command_List'Range loop
1333 if not Command_List (C).VMS_Only then
1334 if Targparm.AAMP_On_Target then
1335 Put ("gnaampcmd ");
1336 else
1337 Put ("gnat ");
1338 end if;
1339
1340 Put (To_Lower (Command_List (C).Cname.all));
1341 Set_Col (25);
1342
1343 -- Never call gnatstack with a prefix
1344
1345 if C = Stack then
1346 Put (Command_List (C).Unixcmd.all);
1347 else
1348 Put (Program_Name (Command_List (C).Unixcmd.all, "gnat").all);
1349 end if;
1350
1351 declare
1352 Sws : Argument_List_Access renames Command_List (C).Unixsws;
1353 begin
1354 if Sws /= null then
1355 for J in Sws'Range loop
1356 Put (' ');
1357 Put (Sws (J).all);
1358 end loop;
1359 end if;
1360 end;
1361
1362 New_Line;
1363 end if;
1364 end loop;
1365
1366 New_Line;
1367 Put_Line ("Commands find, list, metric, pretty, stack, stub and xref " &
1368 "accept project file switches -vPx, -Pprj and -Xnam=val");
1369 New_Line;
1370 end Non_VMS_Usage;
1371
1372 -------------------------------------
1373 -- Start of processing for GNATCmd --
1374 -------------------------------------
1375
1376 begin
1377 -- Initializations
1378
1379 Namet.Initialize;
1380 Csets.Initialize;
1381
1382 Snames.Initialize;
1383
1384 Prj.Initialize (Project_Tree);
1385
1386 Last_Switches.Init;
1387 Last_Switches.Set_Last (0);
1388
1389 First_Switches.Init;
1390 First_Switches.Set_Last (0);
1391 Carg_Switches.Init;
1392 Carg_Switches.Set_Last (0);
1393 Rules_Switches.Init;
1394 Rules_Switches.Set_Last (0);
1395
1396 VMS_Conv.Initialize;
1397
1398 Set_Mode (Ada_Only);
1399
1400 -- Add the default search directories, to be able to find system.ads in the
1401 -- subsequent call to Targparm.Get_Target_Parameters.
1402
1403 Add_Default_Search_Dirs;
1404
1405 -- Get target parameters so that AAMP_On_Target will be set, for testing in
1406 -- Osint.Program_Name to handle the mapping of GNAAMP tool names.
1407
1408 Targparm.Get_Target_Parameters;
1409
1410 -- Add the directory where the GNAT driver is invoked in front of the path,
1411 -- if the GNAT driver is invoked with directory information. Do not do this
1412 -- for VMS, where the notion of path does not really exist.
1413
1414 if not OpenVMS then
1415 declare
1416 Command : constant String := Command_Name;
1417
1418 begin
1419 for Index in reverse Command'Range loop
1420 if Command (Index) = Directory_Separator then
1421 declare
1422 Absolute_Dir : constant String :=
1423 Normalize_Pathname
1424 (Command (Command'First .. Index));
1425
1426 PATH : constant String :=
1427 Absolute_Dir &
1428 Path_Separator &
1429 Getenv ("PATH").all;
1430
1431 begin
1432 Setenv ("PATH", PATH);
1433 end;
1434
1435 exit;
1436 end if;
1437 end loop;
1438 end;
1439 end if;
1440
1441 -- If on VMS, or if VMS emulation is on, convert VMS style /qualifiers,
1442 -- filenames and pathnames to Unix style.
1443
1444 if Hostparm.OpenVMS
1445 or else To_Lower (Getenv ("EMULATE_VMS").all) = "true"
1446 then
1447 VMS_Conversion (The_Command);
1448
1449 B_Start := new String'("b__");
1450
1451 -- If not on VMS, scan the command line directly
1452
1453 else
1454 if Argument_Count = 0 then
1455 Non_VMS_Usage;
1456 return;
1457 else
1458 begin
1459 loop
1460 if Argument_Count > Command_Arg
1461 and then Argument (Command_Arg) = "-v"
1462 then
1463 Verbose_Mode := True;
1464 Command_Arg := Command_Arg + 1;
1465
1466 elsif Argument_Count > Command_Arg
1467 and then Argument (Command_Arg) = "-dn"
1468 then
1469 Keep_Temporary_Files := True;
1470 Command_Arg := Command_Arg + 1;
1471
1472 else
1473 exit;
1474 end if;
1475 end loop;
1476
1477 The_Command := Real_Command_Type'Value (Argument (Command_Arg));
1478
1479 if Command_List (The_Command).VMS_Only then
1480 Non_VMS_Usage;
1481 Fail
1482 ("Command """,
1483 Command_List (The_Command).Cname.all,
1484 """ can only be used on VMS");
1485 end if;
1486
1487 exception
1488 when Constraint_Error =>
1489
1490 -- Check if it is an alternate command
1491
1492 declare
1493 Alternate : Alternate_Command;
1494
1495 begin
1496 Alternate := Alternate_Command'Value
1497 (Argument (Command_Arg));
1498 The_Command := Corresponding_To (Alternate);
1499
1500 exception
1501 when Constraint_Error =>
1502 Non_VMS_Usage;
1503 Fail ("Unknown command: ", Argument (Command_Arg));
1504 end;
1505 end;
1506
1507 -- Get the arguments from the command line and from the eventual
1508 -- argument file(s) specified on the command line.
1509
1510 for Arg in Command_Arg + 1 .. Argument_Count loop
1511 declare
1512 The_Arg : constant String := Argument (Arg);
1513
1514 begin
1515 -- Check if an argument file is specified
1516
1517 if The_Arg (The_Arg'First) = '@' then
1518 declare
1519 Arg_File : Ada.Text_IO.File_Type;
1520 Line : String (1 .. 256);
1521 Last : Natural;
1522
1523 begin
1524 -- Open the file and fail if the file cannot be found
1525
1526 begin
1527 Open
1528 (Arg_File, In_File,
1529 The_Arg (The_Arg'First + 1 .. The_Arg'Last));
1530
1531 exception
1532 when others =>
1533 Put
1534 (Standard_Error, "Cannot open argument file """);
1535 Put
1536 (Standard_Error,
1537 The_Arg (The_Arg'First + 1 .. The_Arg'Last));
1538
1539 Put_Line (Standard_Error, """");
1540 raise Error_Exit;
1541 end;
1542
1543 -- Read line by line and put the content of each non-
1544 -- empty line in the Last_Switches table.
1545
1546 while not End_Of_File (Arg_File) loop
1547 Get_Line (Arg_File, Line, Last);
1548
1549 if Last /= 0 then
1550 Last_Switches.Increment_Last;
1551 Last_Switches.Table (Last_Switches.Last) :=
1552 new String'(Line (1 .. Last));
1553 end if;
1554 end loop;
1555
1556 Close (Arg_File);
1557 end;
1558
1559 else
1560 -- It is not an argument file; just put the argument in
1561 -- the Last_Switches table.
1562
1563 Last_Switches.Increment_Last;
1564 Last_Switches.Table (Last_Switches.Last) :=
1565 new String'(The_Arg);
1566 end if;
1567 end;
1568 end loop;
1569 end if;
1570 end if;
1571
1572 declare
1573 Program : String_Access;
1574 Exec_Path : String_Access;
1575
1576 begin
1577 if The_Command = Stack then
1578 -- Never call gnatstack with a prefix
1579
1580 Program := new String'(Command_List (The_Command).Unixcmd.all);
1581
1582 else
1583 Program :=
1584 Program_Name (Command_List (The_Command).Unixcmd.all, "gnat");
1585 end if;
1586
1587 -- Locate the executable for the command
1588
1589 Exec_Path := Locate_Exec_On_Path (Program.all);
1590
1591 if Exec_Path = null then
1592 Put_Line (Standard_Error, "could not locate " & Program.all);
1593 raise Error_Exit;
1594 end if;
1595
1596 -- If there are switches for the executable, put them as first switches
1597
1598 if Command_List (The_Command).Unixsws /= null then
1599 for J in Command_List (The_Command).Unixsws'Range loop
1600 First_Switches.Increment_Last;
1601 First_Switches.Table (First_Switches.Last) :=
1602 Command_List (The_Command).Unixsws (J);
1603 end loop;
1604 end if;
1605
1606 -- For BIND, CHECK, ELIM, FIND, LINK, LIST, PRETTY, STACK, STUB,
1607 -- METRIC ad XREF, look for project file related switches.
1608
1609 if The_Command = Bind
1610 or else The_Command = Check
1611 or else The_Command = Sync
1612 or else The_Command = Elim
1613 or else The_Command = Find
1614 or else The_Command = Link
1615 or else The_Command = List
1616 or else The_Command = Xref
1617 or else The_Command = Pretty
1618 or else The_Command = Stack
1619 or else The_Command = Stub
1620 or else The_Command = Metric
1621 then
1622 case The_Command is
1623 when Bind =>
1624 Tool_Package_Name := Name_Binder;
1625 Packages_To_Check := Packages_To_Check_By_Binder;
1626 when Check =>
1627 Tool_Package_Name := Name_Check;
1628 Packages_To_Check := Packages_To_Check_By_Check;
1629 when Sync =>
1630 Tool_Package_Name := Name_Synchronize;
1631 Packages_To_Check := Packages_To_Check_By_Sync;
1632 when Elim =>
1633 Tool_Package_Name := Name_Eliminate;
1634 Packages_To_Check := Packages_To_Check_By_Eliminate;
1635 when Find =>
1636 Tool_Package_Name := Name_Finder;
1637 Packages_To_Check := Packages_To_Check_By_Finder;
1638 when Link =>
1639 Tool_Package_Name := Name_Linker;
1640 Packages_To_Check := Packages_To_Check_By_Linker;
1641 when List =>
1642 Tool_Package_Name := Name_Gnatls;
1643 Packages_To_Check := Packages_To_Check_By_Gnatls;
1644 when Metric =>
1645 Tool_Package_Name := Name_Metrics;
1646 Packages_To_Check := Packages_To_Check_By_Metric;
1647 when Pretty =>
1648 Tool_Package_Name := Name_Pretty_Printer;
1649 Packages_To_Check := Packages_To_Check_By_Pretty;
1650 when Stack =>
1651 Tool_Package_Name := Name_Stack;
1652 Packages_To_Check := Packages_To_Check_By_Stack;
1653 when Stub =>
1654 Tool_Package_Name := Name_Gnatstub;
1655 Packages_To_Check := Packages_To_Check_By_Gnatstub;
1656 when Xref =>
1657 Tool_Package_Name := Name_Cross_Reference;
1658 Packages_To_Check := Packages_To_Check_By_Xref;
1659 when others =>
1660 null;
1661 end case;
1662
1663 -- Check that the switches are consistent. Detect project file
1664 -- related switches.
1665
1666 Inspect_Switches :
1667 declare
1668 Arg_Num : Positive := 1;
1669 Argv : String_Access;
1670
1671 procedure Remove_Switch (Num : Positive);
1672 -- Remove a project related switch from table Last_Switches
1673
1674 -------------------
1675 -- Remove_Switch --
1676 -------------------
1677
1678 procedure Remove_Switch (Num : Positive) is
1679 begin
1680 Last_Switches.Table (Num .. Last_Switches.Last - 1) :=
1681 Last_Switches.Table (Num + 1 .. Last_Switches.Last);
1682 Last_Switches.Decrement_Last;
1683 end Remove_Switch;
1684
1685 -- Start of processing for Inspect_Switches
1686
1687 begin
1688 while Arg_Num <= Last_Switches.Last loop
1689 Argv := Last_Switches.Table (Arg_Num);
1690
1691 if Argv (Argv'First) = '-' then
1692 if Argv'Length = 1 then
1693 Fail
1694 ("switch character cannot be followed by a blank");
1695 end if;
1696
1697 -- The two style project files (-p and -P) cannot be used
1698 -- together
1699
1700 if (The_Command = Find or else The_Command = Xref)
1701 and then Argv (2) = 'p'
1702 then
1703 Old_Project_File_Used := True;
1704 if Project_File /= null then
1705 Fail ("-P and -p cannot be used together");
1706 end if;
1707 end if;
1708
1709 -- --subdirs=... Specify Subdirs
1710
1711 if Argv'Length > Subdirs_Option'Length and then
1712 Argv
1713 (Argv'First .. Argv'First + Subdirs_Option'Length - 1) =
1714 Subdirs_Option
1715 then
1716 Subdirs :=
1717 new String'
1718 (Argv
1719 (Argv'First + Subdirs_Option'Length .. Argv'Last));
1720
1721 Remove_Switch (Arg_Num);
1722
1723 -- -aPdir Add dir to the project search path
1724
1725 elsif Argv'Length > 3
1726 and then Argv (Argv'First + 1 .. Argv'First + 2) = "aP"
1727 then
1728 Add_Search_Project_Directory
1729 (Argv (Argv'First + 3 .. Argv'Last));
1730
1731 Remove_Switch (Arg_Num);
1732
1733 -- -eL Follow links for files
1734
1735 elsif Argv.all = "-eL" then
1736 Follow_Links_For_Files := True;
1737
1738 Remove_Switch (Arg_Num);
1739
1740 -- -vPx Specify verbosity while parsing project files
1741
1742 elsif Argv'Length = 4
1743 and then Argv (Argv'First + 1 .. Argv'First + 2) = "vP"
1744 then
1745 case Argv (Argv'Last) is
1746 when '0' =>
1747 Current_Verbosity := Prj.Default;
1748 when '1' =>
1749 Current_Verbosity := Prj.Medium;
1750 when '2' =>
1751 Current_Verbosity := Prj.High;
1752 when others =>
1753 Fail ("Invalid switch: ", Argv.all);
1754 end case;
1755
1756 Remove_Switch (Arg_Num);
1757
1758 -- -Pproject_file Specify project file to be used
1759
1760 elsif Argv (Argv'First + 1) = 'P' then
1761
1762 -- Only one -P switch can be used
1763
1764 if Project_File /= null then
1765 Fail
1766 (Argv.all,
1767 ": second project file forbidden (first is """,
1768 Project_File.all & """)");
1769
1770 -- The two style project files (-p and -P) cannot be
1771 -- used together.
1772
1773 elsif Old_Project_File_Used then
1774 Fail ("-p and -P cannot be used together");
1775
1776 elsif Argv'Length = 2 then
1777
1778 -- There is space between -P and the project file
1779 -- name. -P cannot be the last option.
1780
1781 if Arg_Num = Last_Switches.Last then
1782 Fail ("project file name missing after -P");
1783
1784 else
1785 Remove_Switch (Arg_Num);
1786 Argv := Last_Switches.Table (Arg_Num);
1787
1788 -- After -P, there must be a project file name,
1789 -- not another switch.
1790
1791 if Argv (Argv'First) = '-' then
1792 Fail ("project file name missing after -P");
1793
1794 else
1795 Project_File := new String'(Argv.all);
1796 end if;
1797 end if;
1798
1799 else
1800 -- No space between -P and project file name
1801
1802 Project_File :=
1803 new String'(Argv (Argv'First + 2 .. Argv'Last));
1804 end if;
1805
1806 Remove_Switch (Arg_Num);
1807
1808 -- -Xexternal=value Specify an external reference to be
1809 -- used in project files
1810
1811 elsif Argv'Length >= 5
1812 and then Argv (Argv'First + 1) = 'X'
1813 then
1814 declare
1815 Equal_Pos : constant Natural :=
1816 Index
1817 ('=',
1818 Argv (Argv'First + 2 .. Argv'Last));
1819 begin
1820 if Equal_Pos >= Argv'First + 3 and then
1821 Equal_Pos /= Argv'Last then
1822 Add (External_Name =>
1823 Argv (Argv'First + 2 .. Equal_Pos - 1),
1824 Value => Argv (Equal_Pos + 1 .. Argv'Last));
1825 else
1826 Fail
1827 (Argv.all,
1828 " is not a valid external assignment.");
1829 end if;
1830 end;
1831
1832 Remove_Switch (Arg_Num);
1833
1834 elsif
1835 (The_Command = Check or else
1836 The_Command = Sync or else
1837 The_Command = Pretty or else
1838 The_Command = Metric or else
1839 The_Command = Stack or else
1840 The_Command = List)
1841 and then Argv'Length = 2
1842 and then Argv (2) = 'U'
1843 then
1844 All_Projects := True;
1845 Remove_Switch (Arg_Num);
1846
1847 else
1848 Arg_Num := Arg_Num + 1;
1849 end if;
1850
1851 elsif ((The_Command = Check and then Argv (Argv'First) /= '+')
1852 or else The_Command = Sync
1853 or else The_Command = Metric
1854 or else The_Command = Pretty)
1855 and then Project_File /= null
1856 and then All_Projects
1857 then
1858 if ASIS_Main /= null then
1859 Fail ("cannot specify more than one main after -U");
1860 else
1861 ASIS_Main := Argv;
1862 Remove_Switch (Arg_Num);
1863 end if;
1864
1865 else
1866 Arg_Num := Arg_Num + 1;
1867 end if;
1868 end loop;
1869 end Inspect_Switches;
1870 end if;
1871
1872 -- If there is a project file specified, parse it, get the switches
1873 -- for the tool and setup PATH environment variables.
1874
1875 if Project_File /= null then
1876 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1877
1878 Prj.Pars.Parse
1879 (Project => Project,
1880 In_Tree => Project_Tree,
1881 Project_File_Name => Project_File.all,
1882 Packages_To_Check => Packages_To_Check);
1883
1884 if Project = Prj.No_Project then
1885 Fail ("""", Project_File.all, """ processing failed");
1886 end if;
1887
1888 -- Check if a package with the name of the tool is in the project
1889 -- file and if there is one, get the switches, if any, and scan them.
1890
1891 declare
1892 Data : constant Prj.Project_Data :=
1893 Project_Tree.Projects.Table (Project);
1894
1895 Pkg : constant Prj.Package_Id :=
1896 Prj.Util.Value_Of
1897 (Name => Tool_Package_Name,
1898 In_Packages => Data.Decl.Packages,
1899 In_Tree => Project_Tree);
1900
1901 Element : Package_Element;
1902
1903 Default_Switches_Array : Array_Element_Id;
1904
1905 The_Switches : Prj.Variable_Value;
1906 Current : Prj.String_List_Id;
1907 The_String : String_Element;
1908
1909 begin
1910 if Pkg /= No_Package then
1911 Element := Project_Tree.Packages.Table (Pkg);
1912
1913 -- Packages Gnatls and Gnatstack have a single attribute
1914 -- Switches, that is not an associative array.
1915
1916 if The_Command = List or else The_Command = Stack then
1917 The_Switches :=
1918 Prj.Util.Value_Of
1919 (Variable_Name => Snames.Name_Switches,
1920 In_Variables => Element.Decl.Attributes,
1921 In_Tree => Project_Tree);
1922
1923 -- Packages Binder (for gnatbind), Cross_Reference (for
1924 -- gnatxref), Linker (for gnatlink), Finder (for gnatfind),
1925 -- Pretty_Printer (for gnatpp), Eliminate (for gnatelim), Check
1926 -- (for gnatcheck), and Metric (for gnatmetric) have an
1927 -- attributed Switches, an associative array, indexed by the
1928 -- name of the file.
1929
1930 -- They also have an attribute Default_Switches, indexed by the
1931 -- name of the programming language.
1932
1933 else
1934 if The_Switches.Kind = Prj.Undefined then
1935 Default_Switches_Array :=
1936 Prj.Util.Value_Of
1937 (Name => Name_Default_Switches,
1938 In_Arrays => Element.Decl.Arrays,
1939 In_Tree => Project_Tree);
1940 The_Switches := Prj.Util.Value_Of
1941 (Index => Name_Ada,
1942 Src_Index => 0,
1943 In_Array => Default_Switches_Array,
1944 In_Tree => Project_Tree);
1945 end if;
1946 end if;
1947
1948 -- If there are switches specified in the package of the
1949 -- project file corresponding to the tool, scan them.
1950
1951 case The_Switches.Kind is
1952 when Prj.Undefined =>
1953 null;
1954
1955 when Prj.Single =>
1956 declare
1957 Switch : constant String :=
1958 Get_Name_String (The_Switches.Value);
1959
1960 begin
1961 if Switch'Length > 0 then
1962 First_Switches.Increment_Last;
1963 First_Switches.Table (First_Switches.Last) :=
1964 new String'(Switch);
1965 end if;
1966 end;
1967
1968 when Prj.List =>
1969 Current := The_Switches.Values;
1970 while Current /= Prj.Nil_String loop
1971 The_String := Project_Tree.String_Elements.
1972 Table (Current);
1973
1974 declare
1975 Switch : constant String :=
1976 Get_Name_String (The_String.Value);
1977
1978 begin
1979 if Switch'Length > 0 then
1980 First_Switches.Increment_Last;
1981 First_Switches.Table (First_Switches.Last) :=
1982 new String'(Switch);
1983 end if;
1984 end;
1985
1986 Current := The_String.Next;
1987 end loop;
1988 end case;
1989 end if;
1990 end;
1991
1992 if The_Command = Bind
1993 or else The_Command = Link
1994 or else The_Command = Elim
1995 then
1996 Change_Dir
1997 (Get_Name_String
1998 (Project_Tree.Projects.Table
1999 (Project).Object_Directory.Name));
2000 end if;
2001
2002 -- Set up the env vars for project path files
2003
2004 Prj.Env.Set_Ada_Paths
2005 (Project, Project_Tree, Including_Libraries => False);
2006
2007 -- For gnatcheck, gnatstub, gnatmetric, gnatpp and gnatelim, create
2008 -- a configuration pragmas file, if necessary.
2009
2010 if The_Command = Pretty
2011 or else The_Command = Metric
2012 or else The_Command = Stub
2013 or else The_Command = Elim
2014 or else The_Command = Check
2015 or else The_Command = Sync
2016 then
2017 -- If there are switches in package Compiler, put them in the
2018 -- Carg_Switches table.
2019
2020 declare
2021 Data : constant Prj.Project_Data :=
2022 Project_Tree.Projects.Table (Project);
2023
2024 Pkg : constant Prj.Package_Id :=
2025 Prj.Util.Value_Of
2026 (Name => Name_Compiler,
2027 In_Packages => Data.Decl.Packages,
2028 In_Tree => Project_Tree);
2029
2030 Element : Package_Element;
2031
2032 Default_Switches_Array : Array_Element_Id;
2033
2034 The_Switches : Prj.Variable_Value;
2035 Current : Prj.String_List_Id;
2036 The_String : String_Element;
2037
2038 begin
2039 if Pkg /= No_Package then
2040 Element := Project_Tree.Packages.Table (Pkg);
2041
2042 Default_Switches_Array :=
2043 Prj.Util.Value_Of
2044 (Name => Name_Default_Switches,
2045 In_Arrays => Element.Decl.Arrays,
2046 In_Tree => Project_Tree);
2047 The_Switches := Prj.Util.Value_Of
2048 (Index => Name_Ada,
2049 Src_Index => 0,
2050 In_Array => Default_Switches_Array,
2051 In_Tree => Project_Tree);
2052
2053 -- If there are switches specified in the package of the
2054 -- project file corresponding to the tool, scan them.
2055
2056 case The_Switches.Kind is
2057 when Prj.Undefined =>
2058 null;
2059
2060 when Prj.Single =>
2061 declare
2062 Switch : constant String :=
2063 Get_Name_String (The_Switches.Value);
2064 begin
2065 if Switch'Length > 0 then
2066 Add_To_Carg_Switches (new String'(Switch));
2067 end if;
2068 end;
2069
2070 when Prj.List =>
2071 Current := The_Switches.Values;
2072 while Current /= Prj.Nil_String loop
2073 The_String :=
2074 Project_Tree.String_Elements.Table (Current);
2075
2076 declare
2077 Switch : constant String :=
2078 Get_Name_String (The_String.Value);
2079 begin
2080 if Switch'Length > 0 then
2081 Add_To_Carg_Switches (new String'(Switch));
2082 end if;
2083 end;
2084
2085 Current := The_String.Next;
2086 end loop;
2087 end case;
2088 end if;
2089 end;
2090
2091 -- If -cargs is one of the switches, move the following switches
2092 -- to the Carg_Switches table.
2093
2094 for J in 1 .. First_Switches.Last loop
2095 if First_Switches.Table (J).all = "-cargs" then
2096 declare
2097 K : Positive;
2098 Last : Natural;
2099
2100 begin
2101 -- Move the switches that are before -rules when the
2102 -- command is CHECK.
2103
2104 K := J + 1;
2105 while K <= First_Switches.Last
2106 and then
2107 (The_Command /= Check
2108 or else First_Switches.Table (K).all /= "-rules")
2109 loop
2110 Add_To_Carg_Switches (First_Switches.Table (K));
2111 K := K + 1;
2112 end loop;
2113
2114 if K > First_Switches.Last then
2115 First_Switches.Set_Last (J - 1);
2116
2117 else
2118 Last := J - 1;
2119 while K <= First_Switches.Last loop
2120 Last := Last + 1;
2121 First_Switches.Table (Last) :=
2122 First_Switches.Table (K);
2123 K := K + 1;
2124 end loop;
2125
2126 First_Switches.Set_Last (Last);
2127 end if;
2128 end;
2129
2130 exit;
2131 end if;
2132 end loop;
2133
2134 for J in 1 .. Last_Switches.Last loop
2135 if Last_Switches.Table (J).all = "-cargs" then
2136 declare
2137 K : Positive;
2138 Last : Natural;
2139
2140 begin
2141 -- Move the switches that are before -rules when the
2142 -- command is CHECK.
2143
2144 K := J + 1;
2145 while K <= Last_Switches.Last
2146 and then
2147 (The_Command /= Check
2148 or else
2149 Last_Switches.Table (K).all /= "-rules")
2150 loop
2151 Add_To_Carg_Switches (Last_Switches.Table (K));
2152 K := K + 1;
2153 end loop;
2154
2155 if K > Last_Switches.Last then
2156 Last_Switches.Set_Last (J - 1);
2157
2158 else
2159 Last := J - 1;
2160 while K <= Last_Switches.Last loop
2161 Last := Last + 1;
2162 Last_Switches.Table (Last) :=
2163 Last_Switches.Table (K);
2164 K := K + 1;
2165 end loop;
2166
2167 Last_Switches.Set_Last (Last);
2168 end if;
2169 end;
2170
2171 exit;
2172 end if;
2173 end loop;
2174
2175 declare
2176 CP_File : constant Path_Name_Type := Configuration_Pragmas_File;
2177
2178 begin
2179 if CP_File /= No_Path then
2180 if The_Command = Elim then
2181 First_Switches.Increment_Last;
2182 First_Switches.Table (First_Switches.Last) :=
2183 new String'("-C" & Get_Name_String (CP_File));
2184
2185 else
2186 Add_To_Carg_Switches
2187 (new String'("-gnatec=" & Get_Name_String (CP_File)));
2188 end if;
2189 end if;
2190 end;
2191 end if;
2192
2193 if The_Command = Link then
2194 Process_Link;
2195 end if;
2196
2197 if The_Command = Link or The_Command = Bind then
2198
2199 -- For files that are specified as relative paths with directory
2200 -- information, we convert them to absolute paths, with parent
2201 -- being the current working directory if specified on the command
2202 -- line and the project directory if specified in the project
2203 -- file. This is what gnatmake is doing for linker and binder
2204 -- arguments.
2205
2206 for J in 1 .. Last_Switches.Last loop
2207 Test_If_Relative_Path
2208 (Last_Switches.Table (J), Current_Work_Dir);
2209 end loop;
2210
2211 Get_Name_String
2212 (Project_Tree.Projects.Table (Project).Directory.Name);
2213
2214 declare
2215 Project_Dir : constant String := Name_Buffer (1 .. Name_Len);
2216 begin
2217 for J in 1 .. First_Switches.Last loop
2218 Test_If_Relative_Path
2219 (First_Switches.Table (J), Project_Dir);
2220 end loop;
2221 end;
2222
2223 elsif The_Command = Stub then
2224 declare
2225 Data : constant Prj.Project_Data :=
2226 Project_Tree.Projects.Table (Project);
2227 File_Index : Integer := 0;
2228 Dir_Index : Integer := 0;
2229 Last : constant Integer := Last_Switches.Last;
2230
2231 begin
2232 for Index in 1 .. Last loop
2233 if Last_Switches.Table (Index)
2234 (Last_Switches.Table (Index)'First) /= '-'
2235 then
2236 File_Index := Index;
2237 exit;
2238 end if;
2239 end loop;
2240
2241 -- If the naming scheme of the project file is not standard,
2242 -- and if the file name ends with the spec suffix, then
2243 -- indicate to gnatstub the name of the body file with
2244 -- a -o switch.
2245
2246 if Body_Suffix_Id_Of (Project_Tree, "ada", Data.Naming) /=
2247 Prj.Default_Ada_Spec_Suffix
2248 then
2249 if File_Index /= 0 then
2250 declare
2251 Spec : constant String :=
2252 Base_Name (Last_Switches.Table (File_Index).all);
2253 Last : Natural := Spec'Last;
2254
2255 begin
2256 Get_Name_String
2257 (Spec_Suffix_Id_Of
2258 (Project_Tree, "ada", Data.Naming));
2259
2260 if Spec'Length > Name_Len
2261 and then Spec (Last - Name_Len + 1 .. Last) =
2262 Name_Buffer (1 .. Name_Len)
2263 then
2264 Last := Last - Name_Len;
2265 Get_Name_String
2266 (Body_Suffix_Id_Of
2267 (Project_Tree, "ada", Data.Naming));
2268 Last_Switches.Increment_Last;
2269 Last_Switches.Table (Last_Switches.Last) :=
2270 new String'("-o");
2271 Last_Switches.Increment_Last;
2272 Last_Switches.Table (Last_Switches.Last) :=
2273 new String'(Spec (Spec'First .. Last) &
2274 Name_Buffer (1 .. Name_Len));
2275 end if;
2276 end;
2277 end if;
2278 end if;
2279
2280 -- Add the directory of the spec as the destination directory
2281 -- of the body, if there is no destination directory already
2282 -- specified.
2283
2284 if File_Index /= 0 then
2285 for Index in File_Index + 1 .. Last loop
2286 if Last_Switches.Table (Index)
2287 (Last_Switches.Table (Index)'First) /= '-'
2288 then
2289 Dir_Index := Index;
2290 exit;
2291 end if;
2292 end loop;
2293
2294 if Dir_Index = 0 then
2295 Last_Switches.Increment_Last;
2296 Last_Switches.Table (Last_Switches.Last) :=
2297 new String'
2298 (Dir_Name (Last_Switches.Table (File_Index).all));
2299 end if;
2300 end if;
2301 end;
2302 end if;
2303
2304 -- For gnatmetric, the generated files should be put in the object
2305 -- directory. This must be the first switch, because it may be
2306 -- overridden by a switch in package Metrics in the project file or
2307 -- by a command line option. Note that we don't add the -d= switch
2308 -- if there is no object directory available.
2309
2310 if The_Command = Metric
2311 and then
2312 Project_Tree.Projects.Table (Project).Object_Directory /=
2313 No_Path_Information
2314 then
2315 First_Switches.Increment_Last;
2316 First_Switches.Table (2 .. First_Switches.Last) :=
2317 First_Switches.Table (1 .. First_Switches.Last - 1);
2318 First_Switches.Table (1) :=
2319 new String'("-d=" &
2320 Get_Name_String
2321 (Project_Tree.Projects.Table
2322 (Project).Object_Directory.Name));
2323 end if;
2324
2325 -- For gnat check, -rules and the following switches need to be the
2326 -- last options. So, we move all these switches to table
2327 -- Rules_Switches.
2328
2329 if The_Command = Check then
2330 declare
2331 New_Last : Natural;
2332 -- Set to rank of options preceding "-rules"
2333
2334 In_Rules_Switches : Boolean;
2335 -- Set to True when options "-rules" is found
2336
2337 begin
2338 New_Last := First_Switches.Last;
2339 In_Rules_Switches := False;
2340
2341 for J in 1 .. First_Switches.Last loop
2342 if In_Rules_Switches then
2343 Add_To_Rules_Switches (First_Switches.Table (J));
2344
2345 elsif First_Switches.Table (J).all = "-rules" then
2346 New_Last := J - 1;
2347 In_Rules_Switches := True;
2348 end if;
2349 end loop;
2350
2351 if In_Rules_Switches then
2352 First_Switches.Set_Last (New_Last);
2353 end if;
2354
2355 New_Last := Last_Switches.Last;
2356 In_Rules_Switches := False;
2357
2358 for J in 1 .. Last_Switches.Last loop
2359 if In_Rules_Switches then
2360 Add_To_Rules_Switches (Last_Switches.Table (J));
2361
2362 elsif Last_Switches.Table (J).all = "-rules" then
2363 New_Last := J - 1;
2364 In_Rules_Switches := True;
2365 end if;
2366 end loop;
2367
2368 if In_Rules_Switches then
2369 Last_Switches.Set_Last (New_Last);
2370 end if;
2371 end;
2372 end if;
2373
2374 -- For gnat check, sync, metric or pretty with -U + a main, get the
2375 -- list of sources from the closure and add them to the arguments.
2376
2377 if ASIS_Main /= null then
2378 Get_Closure;
2379
2380 -- On VMS, set up the env var again for source dirs file. This is
2381 -- because the call to gnatmake has set this env var to another
2382 -- file that has now been deleted.
2383
2384 if Hostparm.OpenVMS then
2385
2386 -- First make sure that the recorded file names are empty
2387
2388 Prj.Env.Initialize;
2389
2390 Prj.Env.Set_Ada_Paths
2391 (Project, Project_Tree, Including_Libraries => False);
2392 end if;
2393
2394 -- For gnat check, gnat sync, gnat pretty, gnat metric, gnat list,
2395 -- and gnat stack, if no file has been put on the command line, call
2396 -- tool with all the sources of the main project.
2397
2398 elsif The_Command = Check or else
2399 The_Command = Sync or else
2400 The_Command = Pretty or else
2401 The_Command = Metric or else
2402 The_Command = List or else
2403 The_Command = Stack
2404 then
2405 Check_Files;
2406 end if;
2407 end if;
2408
2409 -- Gather all the arguments and invoke the executable
2410
2411 declare
2412 The_Args : Argument_List
2413 (1 .. First_Switches.Last +
2414 Last_Switches.Last +
2415 Carg_Switches.Last +
2416 Rules_Switches.Last);
2417 Arg_Num : Natural := 0;
2418
2419 begin
2420 for J in 1 .. First_Switches.Last loop
2421 Arg_Num := Arg_Num + 1;
2422 The_Args (Arg_Num) := First_Switches.Table (J);
2423 end loop;
2424
2425 for J in 1 .. Last_Switches.Last loop
2426 Arg_Num := Arg_Num + 1;
2427 The_Args (Arg_Num) := Last_Switches.Table (J);
2428 end loop;
2429
2430 for J in 1 .. Carg_Switches.Last loop
2431 Arg_Num := Arg_Num + 1;
2432 The_Args (Arg_Num) := Carg_Switches.Table (J);
2433 end loop;
2434
2435 for J in 1 .. Rules_Switches.Last loop
2436 Arg_Num := Arg_Num + 1;
2437 The_Args (Arg_Num) := Rules_Switches.Table (J);
2438 end loop;
2439
2440 -- If Display_Command is on, only display the generated command
2441
2442 if Display_Command then
2443 Put (Standard_Error, "generated command -->");
2444 Put (Standard_Error, Exec_Path.all);
2445
2446 for Arg in The_Args'Range loop
2447 Put (Standard_Error, " ");
2448 Put (Standard_Error, The_Args (Arg).all);
2449 end loop;
2450
2451 Put (Standard_Error, "<--");
2452 New_Line (Standard_Error);
2453 raise Normal_Exit;
2454 end if;
2455
2456 if Verbose_Mode then
2457 Output.Write_Str (Exec_Path.all);
2458
2459 for Arg in The_Args'Range loop
2460 Output.Write_Char (' ');
2461 Output.Write_Str (The_Args (Arg).all);
2462 end loop;
2463
2464 Output.Write_Eol;
2465 end if;
2466
2467 My_Exit_Status :=
2468 Exit_Status (Spawn (Exec_Path.all, The_Args));
2469 raise Normal_Exit;
2470 end;
2471 end;
2472
2473 exception
2474 when Error_Exit =>
2475 if not Keep_Temporary_Files then
2476 Prj.Env.Delete_All_Path_Files (Project_Tree);
2477 Delete_Temp_Config_Files;
2478 end if;
2479
2480 Set_Exit_Status (Failure);
2481
2482 when Normal_Exit =>
2483 if not Keep_Temporary_Files then
2484 Prj.Env.Delete_All_Path_Files (Project_Tree);
2485 Delete_Temp_Config_Files;
2486 end if;
2487
2488 -- Since GNATCmd is normally called from DCL (the VMS shell), it must
2489 -- return an understandable VMS exit status. However the exit status
2490 -- returned *to* GNATCmd is a Posix style code, so we test it and return
2491 -- just a simple success or failure on VMS.
2492
2493 if Hostparm.OpenVMS and then My_Exit_Status /= Success then
2494 Set_Exit_Status (Failure);
2495 else
2496 Set_Exit_Status (My_Exit_Status);
2497 end if;
2498 end GNATCmd;
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