1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2004 Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
28 with Atree
; use Atree
;
29 with Casing
; use Casing
;
30 with Einfo
; use Einfo
;
31 with Errout
; use Errout
;
32 with Fname
; use Fname
;
33 with Fname
.UF
; use Fname
.UF
;
34 with Lib
.Util
; use Lib
.Util
;
35 with Lib
.Xref
; use Lib
.Xref
;
36 with Namet
; use Namet
;
37 with Nlists
; use Nlists
;
38 with Gnatvsn
; use Gnatvsn
;
40 with Osint
; use Osint
;
41 with Osint
.C
; use Osint
.C
;
43 with Restrict
; use Restrict
;
44 with Rident
; use Rident
;
46 with Sinfo
; use Sinfo
;
47 with Sinput
; use Sinput
;
48 with Stringt
; use Stringt
;
49 with Tbuild
; use Tbuild
;
50 with Uname
; use Uname
;
52 with System
.WCh_Con
; use System
.WCh_Con
;
54 package body Lib
.Writ
is
56 ----------------------------------
57 -- Add_Preprocessing_Dependency --
58 ----------------------------------
60 procedure Add_Preprocessing_Dependency
(S
: Source_File_Index
) is
63 Units
.Table
(Units
.Last
) :=
64 (Unit_File_Name
=> File_Name
(S
),
66 Expected_Unit
=> No_Name
,
69 Cunit_Entity
=> Empty
,
71 Dynamic_Elab
=> False,
73 Generate_Code
=> False,
75 Ident_String
=> Empty
,
81 Error_Location
=> No_Location
);
82 end Add_Preprocessing_Dependency
;
84 ------------------------------
85 -- Ensure_System_Dependency --
86 ------------------------------
88 procedure Ensure_System_Dependency
is
89 System_Uname
: Unit_Name_Type
;
90 -- Unit name for system spec if needed for dummy entry
92 System_Fname
: File_Name_Type
;
93 -- File name for system spec if needed for dummy entry
96 -- Nothing to do if we already compiled System
98 for Unum
in Units
.First
.. Last_Unit
loop
99 if Units
.Table
(Unum
).Source_Index
= System_Source_File_Index
then
104 -- If no entry for system.ads in the units table, then add a entry
105 -- to the units table for system.ads, which will be referenced when
106 -- the ali file is generated. We need this because every unit depends
107 -- on system as a result of Targparm scanning the system.ads file to
108 -- determine the target dependent parameters for the compilation.
111 Name_Buffer
(1 .. 6) := "system";
112 System_Uname
:= Name_To_Unit_Name
(Name_Enter
);
113 System_Fname
:= File_Name
(System_Source_File_Index
);
115 Units
.Increment_Last
;
116 Units
.Table
(Units
.Last
) := (
117 Unit_File_Name
=> System_Fname
,
118 Unit_Name
=> System_Uname
,
119 Expected_Unit
=> System_Uname
,
120 Source_Index
=> System_Source_File_Index
,
122 Cunit_Entity
=> Empty
,
124 Dynamic_Elab
=> False,
125 Fatal_Error
=> False,
126 Generate_Code
=> False,
128 Ident_String
=> Empty
,
134 Error_Location
=> No_Location
);
136 -- Parse system.ads so that the checksum is set right
137 -- Style checks are not applied.
140 Save_Mindex
: constant Nat
:= Multiple_Unit_Index
;
141 Save_Style
: constant Boolean := Style_Check
;
143 Multiple_Unit_Index
:= 0;
144 Style_Check
:= False;
145 Initialize_Scanner
(Units
.Last
, System_Source_File_Index
);
146 Discard_List
(Par
(Configuration_Pragmas
=> False));
147 Style_Check
:= Save_Style
;
148 Multiple_Unit_Index
:= Save_Mindex
;
150 end Ensure_System_Dependency
;
156 procedure Write_ALI
(Object
: Boolean) is
162 Last_Unit
: constant Unit_Number_Type
:= Units
.Last
;
163 -- Record unit number of last unit. We capture this in case we
164 -- have to add a dummy entry to the unit table for package System.
166 With_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
167 -- Array of flags to show which units are with'ed
169 Elab_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
170 -- Array of flags to show which units have pragma Elaborate set
172 Elab_All_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
173 -- Array of flags to show which units have pragma Elaborate All set
175 Elab_Des_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
176 -- Array of flags to show which units have Elaborate_All_Desirable set
178 Sdep_Table
: Unit_Ref_Table
(1 .. Pos
(Last_Unit
- Units
.First
+ 2));
179 -- Sorted table of source dependencies. One extra entry in case we
180 -- have to add a dummy entry for System.
183 -- Number of active entries in Sdep_Table
185 -----------------------
186 -- Local Subprograms --
187 -----------------------
189 procedure Collect_Withs
(Cunit
: Node_Id
);
190 -- Collect with lines for entries in the context clause of the
191 -- given compilation unit, Cunit.
193 procedure Update_Tables_From_ALI_File
;
194 -- Given an up to date ALI file (see Up_To_Date_ALI_file_Exists
195 -- function), update tables from the ALI information, including
196 -- specifically the Compilation_Switches table.
198 function Up_To_Date_ALI_File_Exists
return Boolean;
199 -- If there exists an ALI file that is up to date, then this function
200 -- initializes the tables in the ALI spec to contain information on
201 -- this file (using Scan_ALI) and returns True. If no file exists,
202 -- or the file is not up to date, then False is returned.
204 procedure Write_Unit_Information
(Unit_Num
: Unit_Number_Type
);
205 -- Write out the library information for one unit for which code is
206 -- generated (includes unit line and with lines).
208 procedure Write_With_Lines
;
209 -- Write out with lines collected by calls to Collect_Withs
215 procedure Collect_Withs
(Cunit
: Node_Id
) is
217 Unum
: Unit_Number_Type
;
220 Item
:= First
(Context_Items
(Cunit
));
221 while Present
(Item
) loop
223 -- Ada0Y (AI-50217): limited with_clauses do not create
226 if Nkind
(Item
) = N_With_Clause
227 and then not (Limited_Present
(Item
))
229 Unum
:= Get_Cunit_Unit_Number
(Library_Unit
(Item
));
230 With_Flags
(Unum
) := True;
232 if Elaborate_Present
(Item
) then
233 Elab_Flags
(Unum
) := True;
236 if Elaborate_All_Present
(Item
) then
237 Elab_All_Flags
(Unum
) := True;
240 if Elaborate_All_Desirable
(Cunit_Entity
(Unum
)) then
241 Elab_Des_Flags
(Unum
) := True;
249 --------------------------------
250 -- Up_To_Date_ALI_File_Exists --
251 --------------------------------
253 function Up_To_Date_ALI_File_Exists
return Boolean is
254 Name
: File_Name_Type
;
255 Text
: Text_Buffer_Ptr
;
257 Sind
: Source_File_Index
;
260 Opt
.Check_Object_Consistency
:= True;
261 Read_Library_Info
(Name
, Text
);
263 -- Return if we could not find an ALI file
269 -- Return if ALI file has bad format
273 if Scan_ALI
(Name
, Text
, False, Err
=> True) = No_ALI_Id
then
277 -- If we have an OK ALI file, check if it is up to date
278 -- Note that we assume that the ALI read has all the entries
279 -- we have in our table, plus some additional ones (that can
280 -- come from expansion).
282 Id
:= First_Sdep_Entry
;
283 for J
in 1 .. Num_Sdep
loop
284 Sind
:= Units
.Table
(Sdep_Table
(J
)).Source_Index
;
286 while Sdep
.Table
(Id
).Sfile
/= File_Name
(Sind
) loop
287 if Id
= Sdep
.Last
then
294 if Sdep
.Table
(Id
).Stamp
/= Time_Stamp
(Sind
) then
300 end Up_To_Date_ALI_File_Exists
;
302 ---------------------------------
303 -- Update_Tables_From_ALI_File --
304 ---------------------------------
306 procedure Update_Tables_From_ALI_File
is
308 -- Build Compilation_Switches table
310 Compilation_Switches
.Init
;
312 for J
in First_Arg_Entry
.. Args
.Last
loop
313 Compilation_Switches
.Increment_Last
;
314 Compilation_Switches
.Table
(Compilation_Switches
.Last
) :=
317 end Update_Tables_From_ALI_File
;
319 ----------------------------
320 -- Write_Unit_Information --
321 ----------------------------
323 procedure Write_Unit_Information
(Unit_Num
: Unit_Number_Type
) is
324 Unode
: constant Node_Id
:= Cunit
(Unit_Num
);
325 Ukind
: constant Node_Kind
:= Nkind
(Unit
(Unode
));
326 Uent
: constant Entity_Id
:= Cunit_Entity
(Unit_Num
);
330 Write_Info_Initiate
('U');
331 Write_Info_Char
(' ');
332 Write_Info_Name
(Unit_Name
(Unit_Num
));
334 Write_Info_Name
(Unit_File_Name
(Unit_Num
));
337 Write_Info_Str
(Version_Get
(Unit_Num
));
339 if (Is_Subprogram
(Uent
)
340 or else Ekind
(Uent
) = E_Package
341 or else Is_Generic_Unit
(Uent
))
342 and then Body_Needed_For_SAL
(Uent
)
344 Write_Info_Str
(" BN");
347 if Dynamic_Elab
(Unit_Num
) then
348 Write_Info_Str
(" DE");
351 -- We set the Elaborate_Body indication if either an explicit pragma
352 -- was present, or if this is an instantiation. RM 12.3(20) requires
353 -- that the body be immediately elaborated after the spec. We would
354 -- normally do that anyway, but the EB we generate here ensures that
355 -- this gets done even when we use the -p gnatbind switch.
357 if Has_Pragma_Elaborate_Body
(Uent
)
358 or else (Ukind
= N_Package_Declaration
359 and then Is_Generic_Instance
(Uent
)
360 and then Present
(Corresponding_Body
(Unit
(Unode
))))
362 Write_Info_Str
(" EB");
365 -- Now see if we should tell the binder that an elaboration entity
366 -- is present, which must be reset to true during elaboration. We
367 -- generate the indication if the following condition is met:
369 -- If this is a spec ...
371 if (Is_Subprogram
(Uent
)
373 Ekind
(Uent
) = E_Package
375 Is_Generic_Unit
(Uent
))
377 -- and an elaboration entity was declared ...
379 and then Present
(Elaboration_Entity
(Uent
))
381 -- and either the elaboration flag is required ...
384 (Elaboration_Entity_Required
(Uent
)
386 -- or this unit has elaboration code ...
388 or else not Has_No_Elaboration_Code
(Unode
)
390 -- or this unit has a separate body and this
391 -- body has elaboration code.
394 (Ekind
(Uent
) = E_Package
395 and then Present
(Body_Entity
(Uent
))
397 not Has_No_Elaboration_Code
400 (Body_Entity
(Uent
))))))
402 Write_Info_Str
(" EE");
405 if Has_No_Elaboration_Code
(Unode
) then
406 Write_Info_Str
(" NE");
409 if Is_Preelaborated
(Uent
) then
410 Write_Info_Str
(" PR");
413 if Is_Pure
(Uent
) then
414 Write_Info_Str
(" PU");
417 if Has_RACW
(Unit_Num
) then
418 Write_Info_Str
(" RA");
421 if Is_Remote_Call_Interface
(Uent
) then
422 Write_Info_Str
(" RC");
425 if Is_Remote_Types
(Uent
) then
426 Write_Info_Str
(" RT");
429 if Is_Shared_Passive
(Uent
) then
430 Write_Info_Str
(" SP");
433 if Ukind
= N_Subprogram_Declaration
434 or else Ukind
= N_Subprogram_Body
436 Write_Info_Str
(" SU");
438 elsif Ukind
= N_Package_Declaration
440 Ukind
= N_Package_Body
442 -- If this is a wrapper package for a subprogram instantiation,
443 -- the user view is the subprogram. Note that in this case the
444 -- ali file contains both the spec and body of the instance.
446 if Is_Wrapper_Package
(Uent
) then
447 Write_Info_Str
(" SU");
449 Write_Info_Str
(" PK");
452 elsif Ukind
= N_Generic_Package_Declaration
then
453 Write_Info_Str
(" PK");
457 if Ukind
in N_Generic_Declaration
459 (Present
(Library_Unit
(Unode
))
461 Nkind
(Unit
(Library_Unit
(Unode
))) in N_Generic_Declaration
)
463 Write_Info_Str
(" GE");
466 if not Is_Internal_File_Name
(Unit_File_Name
(Unit_Num
), True) then
467 case Identifier_Casing
(Source_Index
(Unit_Num
)) is
468 when All_Lower_Case
=> Write_Info_Str
(" IL");
469 when All_Upper_Case
=> Write_Info_Str
(" IU");
473 case Keyword_Casing
(Source_Index
(Unit_Num
)) is
474 when Mixed_Case
=> Write_Info_Str
(" KM");
475 when All_Upper_Case
=> Write_Info_Str
(" KU");
480 if Initialize_Scalars
then
481 Write_Info_Str
(" IS");
486 -- Generate with lines, first those that are directly with'ed
488 for J
in With_Flags
'Range loop
489 With_Flags
(J
) := False;
490 Elab_Flags
(J
) := False;
491 Elab_All_Flags
(J
) := False;
492 Elab_Des_Flags
(J
) := False;
495 Collect_Withs
(Unode
);
497 -- For a body, we must also check for any subunits which belong to
498 -- it and which have context clauses of their own, since these
499 -- with'ed units are part of its own elaboration dependencies.
501 if Nkind
(Unit
(Unode
)) in N_Unit_Body
then
502 for S
in Units
.First
.. Last_Unit
loop
504 -- We are only interested in subunits.
505 -- For preproc. data and def. files, Cunit is Empty, so
506 -- we need to test that first.
508 if Cunit
(S
) /= Empty
509 and then Nkind
(Unit
(Cunit
(S
))) = N_Subunit
511 Pnode
:= Library_Unit
(Cunit
(S
));
513 -- In gnatc mode, the errors in the subunits will not
514 -- have been recorded, but the analysis of the subunit
515 -- may have failed. There is no information to add to
516 -- ALI file in this case.
522 -- Find ultimate parent of the subunit
524 while Nkind
(Unit
(Pnode
)) = N_Subunit
loop
525 Pnode
:= Library_Unit
(Pnode
);
528 -- See if it belongs to current unit, and if so, include
531 if Pnode
= Unode
then
532 Collect_Withs
(Cunit
(S
));
540 -- Output linker option lines
542 for J
in 1 .. Linker_Option_Lines
.Last
loop
544 S
: constant Linker_Option_Entry
:=
545 Linker_Option_Lines
.Table
(J
);
549 if S
.Unit
= Unit_Num
then
550 Write_Info_Initiate
('L');
551 Write_Info_Str
(" """);
553 for J
in 1 .. String_Length
(S
.Option
) loop
554 C
:= Get_Character
(Get_String_Char
(S
.Option
, J
));
556 if C
in Character'Val (16#
20#
) .. Character'Val (16#
7E#
)
567 Hex
: constant array (0 .. 15) of Character :=
571 Write_Info_Char
('{');
572 Write_Info_Char
(Hex
(Character'Pos (C
) / 16));
573 Write_Info_Char
(Hex
(Character'Pos (C
) mod 16));
574 Write_Info_Char
('}');
579 Write_Info_Char
('"');
584 end Write_Unit_Information
;
586 ----------------------
587 -- Write_With_Lines --
588 ----------------------
590 procedure Write_With_Lines
is
591 With_Table
: Unit_Ref_Table
(1 .. Pos
(Last_Unit
- Units
.First
+ 1));
592 Num_Withs
: Int
:= 0;
593 Unum
: Unit_Number_Type
;
596 Uname
: Unit_Name_Type
;
597 Fname
: File_Name_Type
;
598 Pname
: constant Unit_Name_Type
:=
599 Get_Parent_Spec_Name
(Unit_Name
(Main_Unit
));
600 Body_Fname
: File_Name_Type
;
604 -- Loop to build the with table. A with on the main unit itself
605 -- is ignored (AARM 10.2(14a)). Such a with-clause can occur if
606 -- the main unit is a subprogram with no spec, and a subunit of
607 -- it unecessarily withs the parent.
609 for J
in Units
.First
+ 1 .. Last_Unit
loop
611 -- Add element to with table if it is with'ed or if it is the
612 -- parent spec of the main unit (case of main unit is a child
613 -- unit). The latter with is not needed for semantic purposes,
614 -- but is required by the binder for elaboration purposes.
615 -- For preproc. data and def. files, there is no Unit_Name,
616 -- check for that first.
618 if Unit_Name
(J
) /= No_Name
619 and then (With_Flags
(J
) or else Unit_Name
(J
) = Pname
)
621 Num_Withs
:= Num_Withs
+ 1;
622 With_Table
(Num_Withs
) := J
;
626 -- Sort and output the table
628 Sort
(With_Table
(1 .. Num_Withs
));
630 for J
in 1 .. Num_Withs
loop
631 Unum
:= With_Table
(J
);
632 Cunit
:= Units
.Table
(Unum
).Cunit
;
633 Cunite
:= Units
.Table
(Unum
).Cunit_Entity
;
634 Uname
:= Units
.Table
(Unum
).Unit_Name
;
635 Fname
:= Units
.Table
(Unum
).Unit_File_Name
;
637 Write_Info_Initiate
('W');
638 Write_Info_Char
(' ');
639 Write_Info_Name
(Uname
);
641 -- Now we need to figure out the names of the files that contain
642 -- the with'ed unit. These will usually be the files for the body,
643 -- except in the case of a package that has no body.
645 if (Nkind
(Unit
(Cunit
)) not in N_Generic_Declaration
647 Nkind
(Unit
(Cunit
)) not in N_Generic_Renaming_Declaration
)
648 or else Generic_Separately_Compiled
(Cunite
)
652 if Is_Spec_Name
(Uname
) then
655 (Get_Body_Name
(Uname
),
656 Subunit
=> False, May_Fail
=> True);
660 (Get_Body_Name
(Uname
));
662 if Body_Fname
= No_File
then
663 Body_Fname
:= Get_File_Name
(Uname
, Subunit
=> False);
664 Body_Index
:= Get_Unit_Index
(Uname
);
668 Body_Fname
:= Get_File_Name
(Uname
, Subunit
=> False);
669 Body_Index
:= Get_Unit_Index
(Uname
);
672 -- A package is considered to have a body if it requires
673 -- a body or if a body is present in Ada 83 mode.
675 if Body_Required
(Cunit
)
677 and then Full_Source_Name
(Body_Fname
) /= No_File
)
679 Write_Info_Name
(Body_Fname
);
682 (Lib_File_Name
(Body_Fname
, Body_Index
));
684 Write_Info_Name
(Fname
);
687 (Lib_File_Name
(Fname
, Munit_Index
(Unum
)));
690 if Elab_Flags
(Unum
) then
691 Write_Info_Str
(" E");
694 if Elab_All_Flags
(Unum
) then
695 Write_Info_Str
(" EA");
698 if Elab_Des_Flags
(Unum
) then
699 Write_Info_Str
(" ED");
705 end Write_With_Lines
;
707 -- Start of processing for Write_ALI
710 -- We never write an ALI file if the original operating mode was
711 -- syntax-only (-gnats switch used in compiler invocation line)
713 if Original_Operating_Mode
= Check_Syntax
then
717 -- Build sorted source dependency table. We do this right away,
718 -- because it is referenced by Up_To_Date_ALI_File_Exists.
720 for Unum
in Units
.First
.. Last_Unit
loop
721 if Cunit_Entity
(Unum
) = Empty
722 or else not From_With_Type
(Cunit_Entity
(Unum
))
724 Num_Sdep
:= Num_Sdep
+ 1;
725 Sdep_Table
(Num_Sdep
) := Unum
;
729 -- Sort the table so that the D lines are in order
731 Lib
.Sort
(Sdep_Table
(1 .. Num_Sdep
));
733 -- If we are not generating code, and there is an up to date
734 -- ali file accessible, read it, and acquire the compilation
735 -- arguments from this file.
737 if Operating_Mode
/= Generate_Code
then
738 if Up_To_Date_ALI_File_Exists
then
739 Update_Tables_From_ALI_File
;
744 -- Otherwise acquire compilation arguments and prepare to write
745 -- out a new ali file.
747 Create_Output_Library_Info
;
749 -- Output version line
751 Write_Info_Initiate
('V');
752 Write_Info_Str
(" """);
753 Write_Info_Str
(Verbose_Library_Version
);
754 Write_Info_Char
('"');
758 -- Output main program line if this is acceptable main program
760 Output_Main_Program_Line
: declare
761 U
: Node_Id
:= Unit
(Units
.Table
(Main_Unit
).Cunit
);
764 procedure M_Parameters
;
765 -- Output parameters for main program line
771 procedure M_Parameters
is
773 if Main_Priority
(Main_Unit
) /= Default_Main_Priority
then
774 Write_Info_Char
(' ');
775 Write_Info_Nat
(Main_Priority
(Main_Unit
));
778 if Opt
.Time_Slice_Set
then
779 Write_Info_Str
(" T=");
780 Write_Info_Nat
(Opt
.Time_Slice_Value
);
783 Write_Info_Str
(" W=");
785 (WC_Encoding_Letters
(Wide_Character_Encoding_Method
));
790 -- Start of processing for Output_Main_Program_Line
793 if Nkind
(U
) = N_Subprogram_Body
794 or else (Nkind
(U
) = N_Package_Body
796 (Nkind
(Original_Node
(U
)) = N_Function_Instantiation
798 Nkind
(Original_Node
(U
)) =
799 N_Procedure_Instantiation
))
801 -- If the unit is a subprogram instance, the entity for the
802 -- subprogram is the alias of the visible entity, which is the
803 -- related instance of the wrapper package. We retrieve the
804 -- subprogram declaration of the desired entity.
806 if Nkind
(U
) = N_Package_Body
then
807 U
:= Parent
(Parent
(
808 Alias
(Related_Instance
(Defining_Unit_Name
809 (Specification
(Unit
(Library_Unit
(Parent
(U
)))))))));
812 S
:= Specification
(U
);
814 if not Present
(Parameter_Specifications
(S
)) then
815 if Nkind
(S
) = N_Procedure_Specification
then
816 Write_Info_Initiate
('M');
817 Write_Info_Str
(" P");
822 Nam
: Node_Id
:= Defining_Unit_Name
(S
);
825 -- If it is a child unit, get its simple name.
827 if Nkind
(Nam
) = N_Defining_Program_Unit_Name
then
828 Nam
:= Defining_Identifier
(Nam
);
831 if Is_Integer_Type
(Etype
(Nam
)) then
832 Write_Info_Initiate
('M');
833 Write_Info_Str
(" F");
840 end Output_Main_Program_Line
;
842 -- Write command argmument ('A') lines
844 for A
in 1 .. Compilation_Switches
.Last
loop
845 Write_Info_Initiate
('A');
846 Write_Info_Char
(' ');
847 Write_Info_Str
(Compilation_Switches
.Table
(A
).all);
848 Write_Info_Terminate
;
851 -- Output parameters ('P') line
853 Write_Info_Initiate
('P');
855 if Compilation_Errors
then
856 Write_Info_Str
(" CE");
859 if Opt
.Float_Format
/= ' ' then
860 Write_Info_Str
(" F");
862 if Opt
.Float_Format
= 'I' then
863 Write_Info_Char
('I');
865 elsif Opt
.Float_Format_Long
= 'D' then
866 Write_Info_Char
('D');
869 Write_Info_Char
('G');
874 and then not Is_Predefined_File_Name
(Unit_File_Name
(Main_Unit
))
876 if Locking_Policy
/= ' ' then
877 Write_Info_Str
(" L");
878 Write_Info_Char
(Locking_Policy
);
881 if Queuing_Policy
/= ' ' then
882 Write_Info_Str
(" Q");
883 Write_Info_Char
(Queuing_Policy
);
886 if Task_Dispatching_Policy
/= ' ' then
887 Write_Info_Str
(" T");
888 Write_Info_Char
(Task_Dispatching_Policy
);
889 Write_Info_Char
(' ');
894 Write_Info_Str
(" NO");
897 if No_Run_Time_Mode
then
898 Write_Info_Str
(" NR");
901 if Normalize_Scalars
then
902 Write_Info_Str
(" NS");
905 if Sec_Stack_Used
then
906 Write_Info_Str
(" SS");
909 if Unreserve_All_Interrupts
then
910 Write_Info_Str
(" UA");
913 if Exception_Mechanism
/= Front_End_Setjmp_Longjmp_Exceptions
then
914 if Unit_Exception_Table_Present
then
915 Write_Info_Str
(" UX");
918 Write_Info_Str
(" ZX");
923 -- Before outputting the restrictions line, update the setting of
924 -- the No_Elaboration_Code flag. Violations of this restriction
925 -- cannot be detected until after the backend has been called since
926 -- it is the backend that sets this flag. We have to check all units
927 -- for which we have generated code
929 for Unit
in Units
.First
.. Last_Unit
loop
930 if Units
.Table
(Unit
).Generate_Code
931 or else Unit
= Main_Unit
933 if not Has_No_Elaboration_Code
(Cunit
(Unit
)) then
934 Main_Restrictions
.Violated
(No_Elaboration_Code
) := True;
939 -- Output restrictions line
941 Write_Info_Initiate
('R');
942 Write_Info_Char
(' ');
944 -- First the information for the boolean restrictions
946 for R
in All_Boolean_Restrictions
loop
947 if Main_Restrictions
.Set
(R
) then
948 Write_Info_Char
('r');
949 elsif Main_Restrictions
.Violated
(R
) then
950 Write_Info_Char
('v');
952 Write_Info_Char
('n');
956 -- And now the information for the parameter restrictions
958 for RP
in All_Parameter_Restrictions
loop
959 if Main_Restrictions
.Set
(RP
) then
960 Write_Info_Char
('r');
961 Write_Info_Nat
(Nat
(Main_Restrictions
.Value
(RP
)));
963 Write_Info_Char
('n');
966 if not Main_Restrictions
.Violated
(RP
)
967 or else RP
not in Checked_Parameter_Restrictions
969 Write_Info_Char
('n');
971 Write_Info_Char
('v');
972 Write_Info_Nat
(Nat
(Main_Restrictions
.Count
(RP
)));
974 if Main_Restrictions
.Unknown
(RP
) then
975 Write_Info_Char
('+');
982 -- Output interrupt state lines
984 for J
in Interrupt_States
.First
.. Interrupt_States
.Last
loop
985 Write_Info_Initiate
('I');
986 Write_Info_Char
(' ');
987 Write_Info_Nat
(Interrupt_States
.Table
(J
).Interrupt_Number
);
988 Write_Info_Char
(' ');
989 Write_Info_Char
(Interrupt_States
.Table
(J
).Interrupt_State
);
990 Write_Info_Char
(' ');
992 (Nat
(Get_Logical_Line_Number
993 (Interrupt_States
.Table
(J
).Pragma_Loc
)));
997 -- Loop through file table to output information for all units for which
998 -- we have generated code, as marked by the Generate_Code flag.
1000 for Unit
in Units
.First
.. Last_Unit
loop
1001 if Units
.Table
(Unit
).Generate_Code
1002 or else Unit
= Main_Unit
1004 Write_Info_EOL
; -- blank line
1005 Write_Unit_Information
(Unit
);
1009 Write_Info_EOL
; -- blank line
1011 -- Output external version reference lines
1013 for J
in 1 .. Version_Ref
.Last
loop
1014 Write_Info_Initiate
('E');
1015 Write_Info_Char
(' ');
1017 for K
in 1 .. String_Length
(Version_Ref
.Table
(J
)) loop
1018 Write_Info_Char_Code
(Get_String_Char
(Version_Ref
.Table
(J
), K
));
1024 -- Prepare to output the source dependency lines
1027 Unum
: Unit_Number_Type
;
1028 -- Number of unit being output
1030 Sind
: Source_File_Index
;
1031 -- Index of corresponding source file
1034 for J
in 1 .. Num_Sdep
loop
1035 Unum
:= Sdep_Table
(J
);
1036 Units
.Table
(Unum
).Dependency_Num
:= J
;
1037 Sind
:= Units
.Table
(Unum
).Source_Index
;
1039 Write_Info_Initiate
('D');
1040 Write_Info_Char
(' ');
1042 -- Normal case of a unit entry with a source index
1044 if Sind
/= No_Source_File
then
1045 Write_Info_Name
(File_Name
(Sind
));
1046 Write_Info_Tab
(25);
1047 Write_Info_Str
(String (Time_Stamp
(Sind
)));
1048 Write_Info_Char
(' ');
1049 Write_Info_Str
(Get_Hex_String
(Source_Checksum
(Sind
)));
1051 -- If subunit, add unit name, omitting the %b at the end
1053 if Present
(Cunit
(Unum
))
1054 and then Nkind
(Unit
(Cunit
(Unum
))) = N_Subunit
1056 Get_Decoded_Name_String
(Unit_Name
(Unum
));
1057 Write_Info_Char
(' ');
1058 Write_Info_Str
(Name_Buffer
(1 .. Name_Len
- 2));
1061 -- If Source_Reference pragma used output information
1063 if Num_SRef_Pragmas
(Sind
) > 0 then
1064 Write_Info_Char
(' ');
1066 if Num_SRef_Pragmas
(Sind
) = 1 then
1067 Write_Info_Nat
(Int
(First_Mapped_Line
(Sind
)));
1072 Write_Info_Char
(':');
1073 Write_Info_Name
(Reference_Name
(Sind
));
1076 -- Case where there is no source index (happens for missing
1077 -- files). In this case we write a dummy time stamp.
1080 Write_Info_Name
(Unit_File_Name
(Unum
));
1081 Write_Info_Tab
(25);
1082 Write_Info_Str
(String (Dummy_Time_Stamp
));
1083 Write_Info_Char
(' ');
1084 Write_Info_Str
(Get_Hex_String
(0));
1092 Write_Info_Terminate
;
1093 Close_Output_Library_Info
;