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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, 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 -- Local Subprograms --
58 -----------------------
60 procedure Write_Unit_Name
(N
: Node_Id
);
61 -- Used to write out the unit name for R (pragma Restriction) lines
62 -- for uses of Restriction (No_Dependence => unit-name).
64 ----------------------------------
65 -- Add_Preprocessing_Dependency --
66 ----------------------------------
68 procedure Add_Preprocessing_Dependency
(S
: Source_File_Index
) is
71 Units
.Table
(Units
.Last
) :=
72 (Unit_File_Name
=> File_Name
(S
),
74 Expected_Unit
=> No_Name
,
77 Cunit_Entity
=> Empty
,
79 Dynamic_Elab
=> False,
81 Generate_Code
=> False,
83 Ident_String
=> Empty
,
89 Error_Location
=> No_Location
);
90 end Add_Preprocessing_Dependency
;
92 ------------------------------
93 -- Ensure_System_Dependency --
94 ------------------------------
96 procedure Ensure_System_Dependency
is
97 System_Uname
: Unit_Name_Type
;
98 -- Unit name for system spec if needed for dummy entry
100 System_Fname
: File_Name_Type
;
101 -- File name for system spec if needed for dummy entry
104 -- Nothing to do if we already compiled System
106 for Unum
in Units
.First
.. Last_Unit
loop
107 if Units
.Table
(Unum
).Source_Index
= System_Source_File_Index
then
112 -- If no entry for system.ads in the units table, then add a entry
113 -- to the units table for system.ads, which will be referenced when
114 -- the ali file is generated. We need this because every unit depends
115 -- on system as a result of Targparm scanning the system.ads file to
116 -- determine the target dependent parameters for the compilation.
119 Name_Buffer
(1 .. 6) := "system";
120 System_Uname
:= Name_To_Unit_Name
(Name_Enter
);
121 System_Fname
:= File_Name
(System_Source_File_Index
);
123 Units
.Increment_Last
;
124 Units
.Table
(Units
.Last
) := (
125 Unit_File_Name
=> System_Fname
,
126 Unit_Name
=> System_Uname
,
127 Expected_Unit
=> System_Uname
,
128 Source_Index
=> System_Source_File_Index
,
130 Cunit_Entity
=> Empty
,
132 Dynamic_Elab
=> False,
133 Fatal_Error
=> False,
134 Generate_Code
=> False,
136 Ident_String
=> Empty
,
142 Error_Location
=> No_Location
);
144 -- Parse system.ads so that the checksum is set right
145 -- Style checks are not applied.
148 Save_Mindex
: constant Nat
:= Multiple_Unit_Index
;
149 Save_Style
: constant Boolean := Style_Check
;
151 Multiple_Unit_Index
:= 0;
152 Style_Check
:= False;
153 Initialize_Scanner
(Units
.Last
, System_Source_File_Index
);
154 Discard_List
(Par
(Configuration_Pragmas
=> False));
155 Style_Check
:= Save_Style
;
156 Multiple_Unit_Index
:= Save_Mindex
;
158 end Ensure_System_Dependency
;
164 procedure Write_ALI
(Object
: Boolean) is
170 Last_Unit
: constant Unit_Number_Type
:= Units
.Last
;
171 -- Record unit number of last unit. We capture this in case we
172 -- have to add a dummy entry to the unit table for package System.
174 With_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
175 -- Array of flags to show which units are with'ed
177 Elab_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
178 -- Array of flags to show which units have pragma Elaborate set
180 Elab_All_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
181 -- Array of flags to show which units have pragma Elaborate All set
183 Elab_Des_Flags
: array (Units
.First
.. Last_Unit
) of Boolean;
184 -- Array of flags to show which units have Elaborate_All_Desirable set
186 Sdep_Table
: Unit_Ref_Table
(1 .. Pos
(Last_Unit
- Units
.First
+ 2));
187 -- Sorted table of source dependencies. One extra entry in case we
188 -- have to add a dummy entry for System.
191 -- Number of active entries in Sdep_Table
193 -----------------------
194 -- Local Subprograms --
195 -----------------------
197 procedure Collect_Withs
(Cunit
: Node_Id
);
198 -- Collect with lines for entries in the context clause of the
199 -- given compilation unit, Cunit.
201 procedure Update_Tables_From_ALI_File
;
202 -- Given an up to date ALI file (see Up_To_Date_ALI_file_Exists
203 -- function), update tables from the ALI information, including
204 -- specifically the Compilation_Switches table.
206 function Up_To_Date_ALI_File_Exists
return Boolean;
207 -- If there exists an ALI file that is up to date, then this function
208 -- initializes the tables in the ALI spec to contain information on
209 -- this file (using Scan_ALI) and returns True. If no file exists,
210 -- or the file is not up to date, then False is returned.
212 procedure Write_Unit_Information
(Unit_Num
: Unit_Number_Type
);
213 -- Write out the library information for one unit for which code is
214 -- generated (includes unit line and with lines).
216 procedure Write_With_Lines
;
217 -- Write out with lines collected by calls to Collect_Withs
223 procedure Collect_Withs
(Cunit
: Node_Id
) is
225 Unum
: Unit_Number_Type
;
228 Item
:= First
(Context_Items
(Cunit
));
229 while Present
(Item
) loop
231 -- Ada 2005 (AI-50217): limited with_clauses do not create
234 if Nkind
(Item
) = N_With_Clause
235 and then not (Limited_Present
(Item
))
237 Unum
:= Get_Cunit_Unit_Number
(Library_Unit
(Item
));
238 With_Flags
(Unum
) := True;
240 if Elaborate_Present
(Item
) then
241 Elab_Flags
(Unum
) := True;
244 if Elaborate_All_Present
(Item
) then
245 Elab_All_Flags
(Unum
) := True;
248 if Elaborate_All_Desirable
(Cunit_Entity
(Unum
)) then
249 Elab_Des_Flags
(Unum
) := True;
257 --------------------------------
258 -- Up_To_Date_ALI_File_Exists --
259 --------------------------------
261 function Up_To_Date_ALI_File_Exists
return Boolean is
262 Name
: File_Name_Type
;
263 Text
: Text_Buffer_Ptr
;
265 Sind
: Source_File_Index
;
268 Opt
.Check_Object_Consistency
:= True;
269 Read_Library_Info
(Name
, Text
);
271 -- Return if we could not find an ALI file
277 -- Return if ALI file has bad format
281 if Scan_ALI
(Name
, Text
, False, Err
=> True) = No_ALI_Id
then
285 -- If we have an OK ALI file, check if it is up to date
286 -- Note that we assume that the ALI read has all the entries
287 -- we have in our table, plus some additional ones (that can
288 -- come from expansion).
290 Id
:= First_Sdep_Entry
;
291 for J
in 1 .. Num_Sdep
loop
292 Sind
:= Units
.Table
(Sdep_Table
(J
)).Source_Index
;
294 while Sdep
.Table
(Id
).Sfile
/= File_Name
(Sind
) loop
295 if Id
= Sdep
.Last
then
302 if Sdep
.Table
(Id
).Stamp
/= Time_Stamp
(Sind
) then
308 end Up_To_Date_ALI_File_Exists
;
310 ---------------------------------
311 -- Update_Tables_From_ALI_File --
312 ---------------------------------
314 procedure Update_Tables_From_ALI_File
is
316 -- Build Compilation_Switches table
318 Compilation_Switches
.Init
;
320 for J
in First_Arg_Entry
.. Args
.Last
loop
321 Compilation_Switches
.Increment_Last
;
322 Compilation_Switches
.Table
(Compilation_Switches
.Last
) :=
325 end Update_Tables_From_ALI_File
;
327 ----------------------------
328 -- Write_Unit_Information --
329 ----------------------------
331 procedure Write_Unit_Information
(Unit_Num
: Unit_Number_Type
) is
332 Unode
: constant Node_Id
:= Cunit
(Unit_Num
);
333 Ukind
: constant Node_Kind
:= Nkind
(Unit
(Unode
));
334 Uent
: constant Entity_Id
:= Cunit_Entity
(Unit_Num
);
338 Write_Info_Initiate
('U');
339 Write_Info_Char
(' ');
340 Write_Info_Name
(Unit_Name
(Unit_Num
));
342 Write_Info_Name
(Unit_File_Name
(Unit_Num
));
345 Write_Info_Str
(Version_Get
(Unit_Num
));
347 if (Is_Subprogram
(Uent
)
348 or else Ekind
(Uent
) = E_Package
349 or else Is_Generic_Unit
(Uent
))
350 and then Body_Needed_For_SAL
(Uent
)
352 Write_Info_Str
(" BN");
355 if Dynamic_Elab
(Unit_Num
) then
356 Write_Info_Str
(" DE");
359 -- We set the Elaborate_Body indication if either an explicit pragma
360 -- was present, or if this is an instantiation. RM 12.3(20) requires
361 -- that the body be immediately elaborated after the spec. We would
362 -- normally do that anyway, but the EB we generate here ensures that
363 -- this gets done even when we use the -p gnatbind switch.
365 if Has_Pragma_Elaborate_Body
(Uent
)
366 or else (Ukind
= N_Package_Declaration
367 and then Is_Generic_Instance
(Uent
)
368 and then Present
(Corresponding_Body
(Unit
(Unode
))))
370 Write_Info_Str
(" EB");
373 -- Now see if we should tell the binder that an elaboration entity
374 -- is present, which must be reset to true during elaboration. We
375 -- generate the indication if the following condition is met:
377 -- If this is a spec ...
379 if (Is_Subprogram
(Uent
)
381 Ekind
(Uent
) = E_Package
383 Is_Generic_Unit
(Uent
))
385 -- and an elaboration entity was declared ...
387 and then Present
(Elaboration_Entity
(Uent
))
389 -- and either the elaboration flag is required ...
392 (Elaboration_Entity_Required
(Uent
)
394 -- or this unit has elaboration code ...
396 or else not Has_No_Elaboration_Code
(Unode
)
398 -- or this unit has a separate body and this
399 -- body has elaboration code.
402 (Ekind
(Uent
) = E_Package
403 and then Present
(Body_Entity
(Uent
))
405 not Has_No_Elaboration_Code
408 (Body_Entity
(Uent
))))))
410 Write_Info_Str
(" EE");
413 if Has_No_Elaboration_Code
(Unode
) then
414 Write_Info_Str
(" NE");
417 if Is_Preelaborated
(Uent
) then
418 Write_Info_Str
(" PR");
421 if Is_Pure
(Uent
) then
422 Write_Info_Str
(" PU");
425 if Has_RACW
(Unit_Num
) then
426 Write_Info_Str
(" RA");
429 if Is_Remote_Call_Interface
(Uent
) then
430 Write_Info_Str
(" RC");
433 if Is_Remote_Types
(Uent
) then
434 Write_Info_Str
(" RT");
437 if Is_Shared_Passive
(Uent
) then
438 Write_Info_Str
(" SP");
441 if Ukind
= N_Subprogram_Declaration
442 or else Ukind
= N_Subprogram_Body
444 Write_Info_Str
(" SU");
446 elsif Ukind
= N_Package_Declaration
448 Ukind
= N_Package_Body
450 -- If this is a wrapper package for a subprogram instantiation,
451 -- the user view is the subprogram. Note that in this case the
452 -- ali file contains both the spec and body of the instance.
454 if Is_Wrapper_Package
(Uent
) then
455 Write_Info_Str
(" SU");
457 Write_Info_Str
(" PK");
460 elsif Ukind
= N_Generic_Package_Declaration
then
461 Write_Info_Str
(" PK");
465 if Ukind
in N_Generic_Declaration
467 (Present
(Library_Unit
(Unode
))
469 Nkind
(Unit
(Library_Unit
(Unode
))) in N_Generic_Declaration
)
471 Write_Info_Str
(" GE");
474 if not Is_Internal_File_Name
(Unit_File_Name
(Unit_Num
), True) then
475 case Identifier_Casing
(Source_Index
(Unit_Num
)) is
476 when All_Lower_Case
=> Write_Info_Str
(" IL");
477 when All_Upper_Case
=> Write_Info_Str
(" IU");
481 case Keyword_Casing
(Source_Index
(Unit_Num
)) is
482 when Mixed_Case
=> Write_Info_Str
(" KM");
483 when All_Upper_Case
=> Write_Info_Str
(" KU");
488 if Initialize_Scalars
then
489 Write_Info_Str
(" IS");
494 -- Generate with lines, first those that are directly with'ed
496 for J
in With_Flags
'Range loop
497 With_Flags
(J
) := False;
498 Elab_Flags
(J
) := False;
499 Elab_All_Flags
(J
) := False;
500 Elab_Des_Flags
(J
) := False;
503 Collect_Withs
(Unode
);
505 -- For a body, we must also check for any subunits which belong to
506 -- it and which have context clauses of their own, since these
507 -- with'ed units are part of its own elaboration dependencies.
509 if Nkind
(Unit
(Unode
)) in N_Unit_Body
then
510 for S
in Units
.First
.. Last_Unit
loop
512 -- We are only interested in subunits.
513 -- For preproc. data and def. files, Cunit is Empty, so
514 -- we need to test that first.
516 if Cunit
(S
) /= Empty
517 and then Nkind
(Unit
(Cunit
(S
))) = N_Subunit
519 Pnode
:= Library_Unit
(Cunit
(S
));
521 -- In gnatc mode, the errors in the subunits will not
522 -- have been recorded, but the analysis of the subunit
523 -- may have failed. There is no information to add to
524 -- ALI file in this case.
530 -- Find ultimate parent of the subunit
532 while Nkind
(Unit
(Pnode
)) = N_Subunit
loop
533 Pnode
:= Library_Unit
(Pnode
);
536 -- See if it belongs to current unit, and if so, include
539 if Pnode
= Unode
then
540 Collect_Withs
(Cunit
(S
));
548 -- Output linker option lines
550 for J
in 1 .. Linker_Option_Lines
.Last
loop
552 S
: constant Linker_Option_Entry
:=
553 Linker_Option_Lines
.Table
(J
);
557 if S
.Unit
= Unit_Num
then
558 Write_Info_Initiate
('L');
559 Write_Info_Str
(" """);
561 for J
in 1 .. String_Length
(S
.Option
) loop
562 C
:= Get_Character
(Get_String_Char
(S
.Option
, J
));
564 if C
in Character'Val (16#
20#
) .. Character'Val (16#
7E#
)
575 Hex
: constant array (0 .. 15) of Character :=
579 Write_Info_Char
('{');
580 Write_Info_Char
(Hex
(Character'Pos (C
) / 16));
581 Write_Info_Char
(Hex
(Character'Pos (C
) mod 16));
582 Write_Info_Char
('}');
587 Write_Info_Char
('"');
592 end Write_Unit_Information
;
594 ----------------------
595 -- Write_With_Lines --
596 ----------------------
598 procedure Write_With_Lines
is
599 With_Table
: Unit_Ref_Table
(1 .. Pos
(Last_Unit
- Units
.First
+ 1));
600 Num_Withs
: Int
:= 0;
601 Unum
: Unit_Number_Type
;
604 Uname
: Unit_Name_Type
;
605 Fname
: File_Name_Type
;
606 Pname
: constant Unit_Name_Type
:=
607 Get_Parent_Spec_Name
(Unit_Name
(Main_Unit
));
608 Body_Fname
: File_Name_Type
;
612 -- Loop to build the with table. A with on the main unit itself
613 -- is ignored (AARM 10.2(14a)). Such a with-clause can occur if
614 -- the main unit is a subprogram with no spec, and a subunit of
615 -- it unecessarily withs the parent.
617 for J
in Units
.First
+ 1 .. Last_Unit
loop
619 -- Add element to with table if it is with'ed or if it is the
620 -- parent spec of the main unit (case of main unit is a child
621 -- unit). The latter with is not needed for semantic purposes,
622 -- but is required by the binder for elaboration purposes.
623 -- For preproc. data and def. files, there is no Unit_Name,
624 -- check for that first.
626 if Unit_Name
(J
) /= No_Name
627 and then (With_Flags
(J
) or else Unit_Name
(J
) = Pname
)
629 Num_Withs
:= Num_Withs
+ 1;
630 With_Table
(Num_Withs
) := J
;
634 -- Sort and output the table
636 Sort
(With_Table
(1 .. Num_Withs
));
638 for J
in 1 .. Num_Withs
loop
639 Unum
:= With_Table
(J
);
640 Cunit
:= Units
.Table
(Unum
).Cunit
;
641 Cunite
:= Units
.Table
(Unum
).Cunit_Entity
;
642 Uname
:= Units
.Table
(Unum
).Unit_Name
;
643 Fname
:= Units
.Table
(Unum
).Unit_File_Name
;
645 Write_Info_Initiate
('W');
646 Write_Info_Char
(' ');
647 Write_Info_Name
(Uname
);
649 -- Now we need to figure out the names of the files that contain
650 -- the with'ed unit. These will usually be the files for the body,
651 -- except in the case of a package that has no body.
653 if (Nkind
(Unit
(Cunit
)) not in N_Generic_Declaration
655 Nkind
(Unit
(Cunit
)) not in N_Generic_Renaming_Declaration
)
656 or else Generic_Separately_Compiled
(Cunite
)
660 if Is_Spec_Name
(Uname
) then
663 (Get_Body_Name
(Uname
),
664 Subunit
=> False, May_Fail
=> True);
668 (Get_Body_Name
(Uname
));
670 if Body_Fname
= No_File
then
671 Body_Fname
:= Get_File_Name
(Uname
, Subunit
=> False);
672 Body_Index
:= Get_Unit_Index
(Uname
);
676 Body_Fname
:= Get_File_Name
(Uname
, Subunit
=> False);
677 Body_Index
:= Get_Unit_Index
(Uname
);
680 -- A package is considered to have a body if it requires
681 -- a body or if a body is present in Ada 83 mode.
683 if Body_Required
(Cunit
)
684 or else (Ada_Version
= Ada_83
685 and then Full_Source_Name
(Body_Fname
) /= No_File
)
687 Write_Info_Name
(Body_Fname
);
690 (Lib_File_Name
(Body_Fname
, Body_Index
));
692 Write_Info_Name
(Fname
);
695 (Lib_File_Name
(Fname
, Munit_Index
(Unum
)));
698 if Elab_Flags
(Unum
) then
699 Write_Info_Str
(" E");
702 if Elab_All_Flags
(Unum
) then
703 Write_Info_Str
(" EA");
706 if Elab_Des_Flags
(Unum
) then
707 Write_Info_Str
(" ED");
713 end Write_With_Lines
;
715 -- Start of processing for Write_ALI
718 -- We never write an ALI file if the original operating mode was
719 -- syntax-only (-gnats switch used in compiler invocation line)
721 if Original_Operating_Mode
= Check_Syntax
then
725 -- Build sorted source dependency table. We do this right away,
726 -- because it is referenced by Up_To_Date_ALI_File_Exists.
728 for Unum
in Units
.First
.. Last_Unit
loop
729 if Cunit_Entity
(Unum
) = Empty
730 or else not From_With_Type
(Cunit_Entity
(Unum
))
732 Num_Sdep
:= Num_Sdep
+ 1;
733 Sdep_Table
(Num_Sdep
) := Unum
;
737 -- Sort the table so that the D lines are in order
739 Lib
.Sort
(Sdep_Table
(1 .. Num_Sdep
));
741 -- If we are not generating code, and there is an up to date
742 -- ali file accessible, read it, and acquire the compilation
743 -- arguments from this file.
745 if Operating_Mode
/= Generate_Code
then
746 if Up_To_Date_ALI_File_Exists
then
747 Update_Tables_From_ALI_File
;
752 -- Otherwise acquire compilation arguments and prepare to write
753 -- out a new ali file.
755 Create_Output_Library_Info
;
757 -- Output version line
759 Write_Info_Initiate
('V');
760 Write_Info_Str
(" """);
761 Write_Info_Str
(Verbose_Library_Version
);
762 Write_Info_Char
('"');
766 -- Output main program line if this is acceptable main program
768 Output_Main_Program_Line
: declare
769 U
: Node_Id
:= Unit
(Units
.Table
(Main_Unit
).Cunit
);
772 procedure M_Parameters
;
773 -- Output parameters for main program line
779 procedure M_Parameters
is
781 if Main_Priority
(Main_Unit
) /= Default_Main_Priority
then
782 Write_Info_Char
(' ');
783 Write_Info_Nat
(Main_Priority
(Main_Unit
));
786 if Opt
.Time_Slice_Set
then
787 Write_Info_Str
(" T=");
788 Write_Info_Nat
(Opt
.Time_Slice_Value
);
791 Write_Info_Str
(" W=");
793 (WC_Encoding_Letters
(Wide_Character_Encoding_Method
));
798 -- Start of processing for Output_Main_Program_Line
801 if Nkind
(U
) = N_Subprogram_Body
802 or else (Nkind
(U
) = N_Package_Body
804 (Nkind
(Original_Node
(U
)) = N_Function_Instantiation
806 Nkind
(Original_Node
(U
)) =
807 N_Procedure_Instantiation
))
809 -- If the unit is a subprogram instance, the entity for the
810 -- subprogram is the alias of the visible entity, which is the
811 -- related instance of the wrapper package. We retrieve the
812 -- subprogram declaration of the desired entity.
814 if Nkind
(U
) = N_Package_Body
then
815 U
:= Parent
(Parent
(
816 Alias
(Related_Instance
(Defining_Unit_Name
817 (Specification
(Unit
(Library_Unit
(Parent
(U
)))))))));
820 S
:= Specification
(U
);
822 if not Present
(Parameter_Specifications
(S
)) then
823 if Nkind
(S
) = N_Procedure_Specification
then
824 Write_Info_Initiate
('M');
825 Write_Info_Str
(" P");
830 Nam
: Node_Id
:= Defining_Unit_Name
(S
);
833 -- If it is a child unit, get its simple name.
835 if Nkind
(Nam
) = N_Defining_Program_Unit_Name
then
836 Nam
:= Defining_Identifier
(Nam
);
839 if Is_Integer_Type
(Etype
(Nam
)) then
840 Write_Info_Initiate
('M');
841 Write_Info_Str
(" F");
848 end Output_Main_Program_Line
;
850 -- Write command argmument ('A') lines
852 for A
in 1 .. Compilation_Switches
.Last
loop
853 Write_Info_Initiate
('A');
854 Write_Info_Char
(' ');
855 Write_Info_Str
(Compilation_Switches
.Table
(A
).all);
856 Write_Info_Terminate
;
859 -- Output parameters ('P') line
861 Write_Info_Initiate
('P');
863 if Compilation_Errors
then
864 Write_Info_Str
(" CE");
867 if Opt
.Detect_Blocking
then
868 Write_Info_Str
(" DB");
871 if Opt
.Float_Format
/= ' ' then
872 Write_Info_Str
(" F");
874 if Opt
.Float_Format
= 'I' then
875 Write_Info_Char
('I');
877 elsif Opt
.Float_Format_Long
= 'D' then
878 Write_Info_Char
('D');
881 Write_Info_Char
('G');
886 and then not Is_Predefined_File_Name
(Unit_File_Name
(Main_Unit
))
888 if Locking_Policy
/= ' ' then
889 Write_Info_Str
(" L");
890 Write_Info_Char
(Locking_Policy
);
893 if Queuing_Policy
/= ' ' then
894 Write_Info_Str
(" Q");
895 Write_Info_Char
(Queuing_Policy
);
898 if Task_Dispatching_Policy
/= ' ' then
899 Write_Info_Str
(" T");
900 Write_Info_Char
(Task_Dispatching_Policy
);
901 Write_Info_Char
(' ');
906 Write_Info_Str
(" NO");
909 if No_Run_Time_Mode
then
910 Write_Info_Str
(" NR");
913 if Normalize_Scalars
then
914 Write_Info_Str
(" NS");
917 if Sec_Stack_Used
then
918 Write_Info_Str
(" SS");
921 if Unreserve_All_Interrupts
then
922 Write_Info_Str
(" UA");
925 if Exception_Mechanism
/= Front_End_Setjmp_Longjmp_Exceptions
then
926 if Unit_Exception_Table_Present
then
927 Write_Info_Str
(" UX");
930 Write_Info_Str
(" ZX");
935 -- Before outputting the restrictions line, update the setting of
936 -- the No_Elaboration_Code flag. Violations of this restriction
937 -- cannot be detected until after the backend has been called since
938 -- it is the backend that sets this flag. We have to check all units
939 -- for which we have generated code
941 for Unit
in Units
.First
.. Last_Unit
loop
942 if Units
.Table
(Unit
).Generate_Code
943 or else Unit
= Main_Unit
945 if not Has_No_Elaboration_Code
(Cunit
(Unit
)) then
946 Main_Restrictions
.Violated
(No_Elaboration_Code
) := True;
951 -- Output first restrictions line
953 Write_Info_Initiate
('R');
954 Write_Info_Char
(' ');
956 -- First the information for the boolean restrictions
958 for R
in All_Boolean_Restrictions
loop
959 if Main_Restrictions
.Set
(R
)
960 and then not Restriction_Warnings
(R
)
962 Write_Info_Char
('r');
963 elsif Main_Restrictions
.Violated
(R
) then
964 Write_Info_Char
('v');
966 Write_Info_Char
('n');
970 -- And now the information for the parameter restrictions
972 for RP
in All_Parameter_Restrictions
loop
973 if Main_Restrictions
.Set
(RP
)
974 and then not Restriction_Warnings
(RP
)
976 Write_Info_Char
('r');
977 Write_Info_Nat
(Nat
(Main_Restrictions
.Value
(RP
)));
979 Write_Info_Char
('n');
982 if not Main_Restrictions
.Violated
(RP
)
983 or else RP
not in Checked_Parameter_Restrictions
985 Write_Info_Char
('n');
987 Write_Info_Char
('v');
988 Write_Info_Nat
(Nat
(Main_Restrictions
.Count
(RP
)));
990 if Main_Restrictions
.Unknown
(RP
) then
991 Write_Info_Char
('+');
998 -- Output R lines for No_Dependence entries
1000 for J
in No_Dependence
.First
.. No_Dependence
.Last
loop
1001 if In_Extended_Main_Source_Unit
(No_Dependence
.Table
(J
).Unit
)
1002 and then not No_Dependence
.Table
(J
).Warn
1004 Write_Info_Initiate
('R');
1005 Write_Info_Char
(' ');
1006 Write_Unit_Name
(No_Dependence
.Table
(J
).Unit
);
1011 -- Output interrupt state lines
1013 for J
in Interrupt_States
.First
.. Interrupt_States
.Last
loop
1014 Write_Info_Initiate
('I');
1015 Write_Info_Char
(' ');
1016 Write_Info_Nat
(Interrupt_States
.Table
(J
).Interrupt_Number
);
1017 Write_Info_Char
(' ');
1018 Write_Info_Char
(Interrupt_States
.Table
(J
).Interrupt_State
);
1019 Write_Info_Char
(' ');
1021 (Nat
(Get_Logical_Line_Number
1022 (Interrupt_States
.Table
(J
).Pragma_Loc
)));
1026 -- Loop through file table to output information for all units for which
1027 -- we have generated code, as marked by the Generate_Code flag.
1029 for Unit
in Units
.First
.. Last_Unit
loop
1030 if Units
.Table
(Unit
).Generate_Code
1031 or else Unit
= Main_Unit
1033 Write_Info_EOL
; -- blank line
1034 Write_Unit_Information
(Unit
);
1038 Write_Info_EOL
; -- blank line
1040 -- Output external version reference lines
1042 for J
in 1 .. Version_Ref
.Last
loop
1043 Write_Info_Initiate
('E');
1044 Write_Info_Char
(' ');
1046 for K
in 1 .. String_Length
(Version_Ref
.Table
(J
)) loop
1047 Write_Info_Char_Code
(Get_String_Char
(Version_Ref
.Table
(J
), K
));
1053 -- Prepare to output the source dependency lines
1056 Unum
: Unit_Number_Type
;
1057 -- Number of unit being output
1059 Sind
: Source_File_Index
;
1060 -- Index of corresponding source file
1063 for J
in 1 .. Num_Sdep
loop
1064 Unum
:= Sdep_Table
(J
);
1065 Units
.Table
(Unum
).Dependency_Num
:= J
;
1066 Sind
:= Units
.Table
(Unum
).Source_Index
;
1068 Write_Info_Initiate
('D');
1069 Write_Info_Char
(' ');
1071 -- Normal case of a unit entry with a source index
1073 if Sind
/= No_Source_File
then
1074 Write_Info_Name
(File_Name
(Sind
));
1075 Write_Info_Tab
(25);
1076 Write_Info_Str
(String (Time_Stamp
(Sind
)));
1077 Write_Info_Char
(' ');
1078 Write_Info_Str
(Get_Hex_String
(Source_Checksum
(Sind
)));
1080 -- If subunit, add unit name, omitting the %b at the end
1082 if Present
(Cunit
(Unum
))
1083 and then Nkind
(Unit
(Cunit
(Unum
))) = N_Subunit
1085 Get_Decoded_Name_String
(Unit_Name
(Unum
));
1086 Write_Info_Char
(' ');
1087 Write_Info_Str
(Name_Buffer
(1 .. Name_Len
- 2));
1090 -- If Source_Reference pragma used output information
1092 if Num_SRef_Pragmas
(Sind
) > 0 then
1093 Write_Info_Char
(' ');
1095 if Num_SRef_Pragmas
(Sind
) = 1 then
1096 Write_Info_Nat
(Int
(First_Mapped_Line
(Sind
)));
1101 Write_Info_Char
(':');
1102 Write_Info_Name
(Reference_Name
(Sind
));
1105 -- Case where there is no source index (happens for missing
1106 -- files). In this case we write a dummy time stamp.
1109 Write_Info_Name
(Unit_File_Name
(Unum
));
1110 Write_Info_Tab
(25);
1111 Write_Info_Str
(String (Dummy_Time_Stamp
));
1112 Write_Info_Char
(' ');
1113 Write_Info_Str
(Get_Hex_String
(0));
1121 Write_Info_Terminate
;
1122 Close_Output_Library_Info
;
1125 ---------------------
1126 -- Write_Unit_Name --
1127 ---------------------
1129 procedure Write_Unit_Name
(N
: Node_Id
) is
1131 if Nkind
(N
) = N_Identifier
then
1132 Write_Info_Name
(Chars
(N
));
1135 pragma Assert
(Nkind
(N
) = N_Selected_Component
);
1136 Write_Unit_Name
(Prefix
(N
));
1137 Write_Info_Char
('.');
1138 Write_Unit_Name
(Selector_Name
(N
));
1140 end Write_Unit_Name
;