1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2003 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 ALI
.Util
; use ALI
.Util
;
29 with Binderr
; use Binderr
;
30 with Butil
; use Butil
;
31 with Casing
; use Casing
;
32 with Fname
; use Fname
;
33 with Namet
; use Namet
;
36 with Output
; use Output
;
37 with Rident
; use Rident
;
38 with Types
; use Types
;
40 package body Bcheck
is
42 -----------------------
43 -- Local Subprograms --
44 -----------------------
46 -- The following checking subprograms make up the parts of the
47 -- configuration consistency check.
49 procedure Check_Consistent_Dynamic_Elaboration_Checking
;
50 procedure Check_Consistent_Floating_Point_Format
;
51 procedure Check_Consistent_Interrupt_States
;
52 procedure Check_Consistent_Locking_Policy
;
53 procedure Check_Consistent_Normalize_Scalars
;
54 procedure Check_Consistent_Partition_Restrictions
;
55 procedure Check_Consistent_Queuing_Policy
;
56 procedure Check_Consistent_Zero_Cost_Exception_Handling
;
58 procedure Consistency_Error_Msg
(Msg
: String);
59 -- Produce an error or a warning message, depending on whether
60 -- an inconsistent configuration is permitted or not.
62 ------------------------------------
63 -- Check_Consistent_Configuration --
64 ------------------------------------
66 procedure Check_Configuration_Consistency
is
68 if Float_Format_Specified
/= ' ' then
69 Check_Consistent_Floating_Point_Format
;
72 if Queuing_Policy_Specified
/= ' ' then
73 Check_Consistent_Queuing_Policy
;
76 if Locking_Policy_Specified
/= ' ' then
77 Check_Consistent_Locking_Policy
;
80 if Zero_Cost_Exceptions_Specified
then
81 Check_Consistent_Zero_Cost_Exception_Handling
;
84 Check_Consistent_Normalize_Scalars
;
85 Check_Consistent_Dynamic_Elaboration_Checking
;
87 Check_Consistent_Partition_Restrictions
;
88 Check_Consistent_Interrupt_States
;
89 end Check_Configuration_Consistency
;
91 ---------------------------------------------------
92 -- Check_Consistent_Dynamic_Elaboration_Checking --
93 ---------------------------------------------------
95 -- The rule here is that if a unit has dynamic elaboration checks,
96 -- then any unit it withs must meeting one of the following criteria:
98 -- 1. There is a pragma Elaborate_All for the with'ed unit
99 -- 2. The with'ed unit was compiled with dynamic elaboration checks
100 -- 3. The with'ed unit has pragma Preelaborate or Pure
101 -- 4. It is an internal GNAT unit (including children of GNAT)
103 procedure Check_Consistent_Dynamic_Elaboration_Checking
is
105 if Dynamic_Elaboration_Checks_Specified
then
106 for U
in First_Unit_Entry
.. Units
.Last
loop
108 UR
: Unit_Record
renames Units
.Table
(U
);
111 if UR
.Dynamic_Elab
then
112 for W
in UR
.First_With
.. UR
.Last_With
loop
114 WR
: With_Record
renames Withs
.Table
(W
);
117 if Get_Name_Table_Info
(WR
.Uname
) /= 0 then
119 WU
: Unit_Record
renames
122 (Get_Name_Table_Info
(WR
.Uname
)));
125 -- Case 1. Elaborate_All for with'ed unit
127 if WR
.Elaborate_All
then
130 -- Case 2. With'ed unit has dynamic elab checks
132 elsif WU
.Dynamic_Elab
then
135 -- Case 3. With'ed unit is Preelaborate or Pure
137 elsif WU
.Preelab
or WU
.Pure
then
140 -- Case 4. With'ed unit is internal file
142 elsif Is_Internal_File_Name
(WU
.Sfile
) then
145 -- Issue warning, not one of the safe cases
148 Error_Msg_Name_1
:= UR
.Sfile
;
150 ("?% has dynamic elaboration checks " &
153 Error_Msg_Name_1
:= WU
.Sfile
;
155 ("? % which has static elaboration " &
158 Warnings_Detected
:= Warnings_Detected
- 1;
168 end Check_Consistent_Dynamic_Elaboration_Checking
;
170 --------------------------------------------
171 -- Check_Consistent_Floating_Point_Format --
172 --------------------------------------------
174 -- The rule is that all files must be compiled with the same setting
175 -- for the floating-point format.
177 procedure Check_Consistent_Floating_Point_Format
is
179 -- First search for a unit specifying a floating-point format and then
180 -- check all remaining units against it.
182 Find_Format
: for A1
in ALIs
.First
.. ALIs
.Last
loop
183 if ALIs
.Table
(A1
).Float_Format
/= ' ' then
184 Check_Format
: declare
185 Format
: constant Character := ALIs
.Table
(A1
).Float_Format
;
187 for A2
in A1
+ 1 .. ALIs
.Last
loop
188 if ALIs
.Table
(A2
).Float_Format
/= Format
then
189 Error_Msg_Name_1
:= ALIs
.Table
(A1
).Sfile
;
190 Error_Msg_Name_2
:= ALIs
.Table
(A2
).Sfile
;
192 Consistency_Error_Msg
193 ("% and % compiled with different " &
194 "floating-point representations");
202 end loop Find_Format
;
203 end Check_Consistent_Floating_Point_Format
;
205 ---------------------------------------
206 -- Check_Consistent_Interrupt_States --
207 ---------------------------------------
209 -- The rule is that if the state of a given interrupt is specified
210 -- in more than one unit, it must be specified with a consistent state.
212 procedure Check_Consistent_Interrupt_States
is
216 -- If no Interrupt_State entries, nothing to do
218 if Interrupt_States
.Last
< Interrupt_States
.First
then
222 -- First find out the maximum interrupt value
225 for J
in Interrupt_States
.First
.. Interrupt_States
.Last
loop
226 if Interrupt_States
.Table
(J
).Interrupt_Id
> Max_Intrup
then
227 Max_Intrup
:= Interrupt_States
.Table
(J
).Interrupt_Id
;
231 -- Now establish tables to be used for consistency checking
234 Istate
: array (0 .. Max_Intrup
) of Character := (others => 'n');
235 -- Interrupt state entries, 'u'/'s'/'r' or 'n' to indicate an
236 -- entry that has not been set.
238 Afile
: array (0 .. Max_Intrup
) of ALI_Id
;
239 -- ALI file that generated Istate entry for consistency message
241 Loc
: array (0 .. Max_Intrup
) of Nat
;
242 -- Line numbers from IS pragma generating Istate entry
245 -- Interrupt number from entry being tested
248 -- Interrupt state from entry being tested
251 -- Line number from entry being tested
254 for F
in ALIs
.First
.. ALIs
.Last
loop
255 for K
in ALIs
.Table
(F
).First_Interrupt_State
..
256 ALIs
.Table
(F
).Last_Interrupt_State
258 Inum
:= Interrupt_States
.Table
(K
).Interrupt_Id
;
259 Stat
:= Interrupt_States
.Table
(K
).Interrupt_State
;
260 Lnum
:= Interrupt_States
.Table
(K
).IS_Pragma_Line
;
262 if Istate
(Inum
) = 'n' then
263 Istate
(Inum
) := Stat
;
267 elsif Istate
(Inum
) /= Stat
then
268 Error_Msg_Name_1
:= ALIs
.Table
(Afile
(Inum
)).Sfile
;
269 Error_Msg_Name_2
:= ALIs
.Table
(F
).Sfile
;
270 Error_Msg_Nat_1
:= Loc
(Inum
);
271 Error_Msg_Nat_2
:= Lnum
;
273 Consistency_Error_Msg
274 ("inconsistent interrupt states at %:# and %:#");
279 end Check_Consistent_Interrupt_States
;
281 -------------------------------------
282 -- Check_Consistent_Locking_Policy --
283 -------------------------------------
285 -- The rule is that all files for which the locking policy is
286 -- significant must be compiled with the same setting.
288 procedure Check_Consistent_Locking_Policy
is
290 -- First search for a unit specifying a policy and then
291 -- check all remaining units against it.
293 Find_Policy
: for A1
in ALIs
.First
.. ALIs
.Last
loop
294 if ALIs
.Table
(A1
).Locking_Policy
/= ' ' then
295 Check_Policy
: declare
296 Policy
: constant Character := ALIs
.Table
(A1
).Locking_Policy
;
299 for A2
in A1
+ 1 .. ALIs
.Last
loop
300 if ALIs
.Table
(A2
).Locking_Policy
/= ' ' and
301 ALIs
.Table
(A2
).Locking_Policy
/= Policy
303 Error_Msg_Name_1
:= ALIs
.Table
(A1
).Sfile
;
304 Error_Msg_Name_2
:= ALIs
.Table
(A2
).Sfile
;
306 Consistency_Error_Msg
307 ("% and % compiled with different locking policies");
315 end loop Find_Policy
;
316 end Check_Consistent_Locking_Policy
;
318 ----------------------------------------
319 -- Check_Consistent_Normalize_Scalars --
320 ----------------------------------------
322 -- The rule is that if any unit is compiled with Normalized_Scalars,
323 -- then all other units in the partition must also be compiled with
324 -- Normalized_Scalars in effect.
326 -- There is some issue as to whether this consistency check is
327 -- desirable, it is certainly required at the moment by the RM.
328 -- We should keep a watch on the ARG and HRG deliberations here.
329 -- GNAT no longer depends on this consistency (it used to do so,
330 -- but that has been corrected in the latest version, since the
331 -- Initialize_Scalars pragma does not require consistency.
333 procedure Check_Consistent_Normalize_Scalars
is
335 if Normalize_Scalars_Specified
and No_Normalize_Scalars_Specified
then
336 Consistency_Error_Msg
337 ("some but not all files compiled with Normalize_Scalars");
340 Write_Str
("files compiled with Normalize_Scalars");
343 for A1
in ALIs
.First
.. ALIs
.Last
loop
344 if ALIs
.Table
(A1
).Normalize_Scalars
then
346 Write_Name
(ALIs
.Table
(A1
).Sfile
);
352 Write_Str
("files compiled without Normalize_Scalars");
355 for A1
in ALIs
.First
.. ALIs
.Last
loop
356 if not ALIs
.Table
(A1
).Normalize_Scalars
then
358 Write_Name
(ALIs
.Table
(A1
).Sfile
);
363 end Check_Consistent_Normalize_Scalars
;
365 ---------------------------------------------
366 -- Check_Consistent_Partition_Restrictions --
367 ---------------------------------------------
369 -- The rule is that if a restriction is specified in any unit,
370 -- then all units must obey the restriction. The check applies
371 -- only to restrictions which require partition wide consistency,
372 -- and not to internal units.
374 -- The check is done in two steps. First for every restriction
375 -- a unit specifying that restriction is found, if any.
376 -- Second, all units are verified against the specified restrictions.
378 procedure Check_Consistent_Partition_Restrictions
is
379 No_Restriction_List
: constant array (All_Restrictions
) of Boolean :=
380 (No_Implicit_Conditionals
=> True,
381 -- This could modify and pessimize generated code
383 No_Implicit_Dynamic_Code
=> True,
384 -- This could modify and pessimize generated code
386 No_Implicit_Loops
=> True,
387 -- This could modify and pessimize generated code
389 No_Recursion
=> True,
390 -- Not checkable at compile time
392 No_Reentrancy
=> True,
393 -- Not checkable at compile time
396 -- Define those restrictions that should be output if the gnatbind -r
397 -- switch is used. Not all restrictions are output for the reasons given
398 -- above in the list, and this array is used to test whether the
399 -- corresponding pragma should be listed. True means that it should not
402 R
: array (All_Restrictions
) of ALI_Id
:= (others => No_ALI_Id
);
403 -- Record the first unit specifying each compilation unit restriction
405 V
: array (All_Restrictions
) of ALI_Id
:= (others => No_ALI_Id
);
406 -- Record the last unit violating each partition restriction. Note
407 -- that entries in this array that do not correspond to partition
408 -- restrictions can never be modified.
410 Additional_Restrictions_Listed
: Boolean := False;
411 -- Set True if we have listed header for restrictions
414 -- Loop to find restrictions
416 for A
in ALIs
.First
.. ALIs
.Last
loop
417 for J
in All_Restrictions
loop
418 if R
(J
) = No_ALI_Id
and ALIs
.Table
(A
).Restrictions
(J
) = 'r' then
424 -- Loop to find violations
426 for A
in ALIs
.First
.. ALIs
.Last
loop
427 for J
in All_Restrictions
loop
428 if ALIs
.Table
(A
).Restrictions
(J
) = 'v'
429 and then not Is_Internal_File_Name
(ALIs
.Table
(A
).Sfile
)
431 -- A violation of a restriction was found
435 -- If this is a paritition restriction, and the restriction
436 -- was specified in some unit in the partition, then this
437 -- is a violation of the consistency requirement, so we
438 -- generate an appropriate error message.
440 if R
(J
) /= No_ALI_Id
441 and then J
in Partition_Restrictions
444 M1
: constant String := "% has Restriction (";
445 S
: constant String := Restriction_Id
'Image (J
);
446 M2
: String (1 .. M1
'Length + S
'Length + 1);
449 Name_Buffer
(1 .. S
'Length) := S
;
450 Name_Len
:= S
'Length;
452 (Units
.Table
(ALIs
.Table
(R
(J
)).First_Unit
).Icasing
);
455 M2
(M1
'Length + 1 .. M2
'Last - 1) :=
456 Name_Buffer
(1 .. S
'Length);
459 Error_Msg_Name_1
:= ALIs
.Table
(R
(J
)).Sfile
;
460 Consistency_Error_Msg
(M2
);
461 Error_Msg_Name_1
:= ALIs
.Table
(A
).Sfile
;
462 Consistency_Error_Msg
463 ("but file % violates this restriction");
470 -- List applicable restrictions if option set
472 if List_Restrictions
then
474 -- List any restrictions which were not violated and not specified
476 for J
in All_Restrictions
loop
478 and then R
(J
) = No_ALI_Id
479 and then not No_Restriction_List
(J
)
481 if not Additional_Restrictions_Listed
then
484 ("The following additional restrictions may be" &
485 " applied to this partition:");
486 Additional_Restrictions_Listed
:= True;
489 Write_Str
("pragma Restrictions (");
492 S
: constant String := Restriction_Id
'Image (J
);
494 Name_Len
:= S
'Length;
495 Name_Buffer
(1 .. Name_Len
) := S
;
498 Set_Casing
(Mixed_Case
);
499 Write_Str
(Name_Buffer
(1 .. Name_Len
));
505 end Check_Consistent_Partition_Restrictions
;
507 -------------------------------------
508 -- Check_Consistent_Queuing_Policy --
509 -------------------------------------
511 -- The rule is that all files for which the queuing policy is
512 -- significant must be compiled with the same setting.
514 procedure Check_Consistent_Queuing_Policy
is
516 -- First search for a unit specifying a policy and then
517 -- check all remaining units against it.
519 Find_Policy
: for A1
in ALIs
.First
.. ALIs
.Last
loop
520 if ALIs
.Table
(A1
).Queuing_Policy
/= ' ' then
521 Check_Policy
: declare
522 Policy
: constant Character := ALIs
.Table
(A1
).Queuing_Policy
;
524 for A2
in A1
+ 1 .. ALIs
.Last
loop
525 if ALIs
.Table
(A2
).Queuing_Policy
/= ' '
527 ALIs
.Table
(A2
).Queuing_Policy
/= Policy
529 Error_Msg_Name_1
:= ALIs
.Table
(A1
).Sfile
;
530 Error_Msg_Name_2
:= ALIs
.Table
(A2
).Sfile
;
532 Consistency_Error_Msg
533 ("% and % compiled with different queuing policies");
541 end loop Find_Policy
;
542 end Check_Consistent_Queuing_Policy
;
544 ---------------------------------------------------
545 -- Check_Consistent_Zero_Cost_Exception_Handling --
546 ---------------------------------------------------
548 -- Check consistent zero cost exception handling. The rule is that
549 -- all units must have the same exception handling mechanism.
551 procedure Check_Consistent_Zero_Cost_Exception_Handling
is
553 Check_Mechanism
: for A1
in ALIs
.First
+ 1 .. ALIs
.Last
loop
554 if ALIs
.Table
(A1
).Zero_Cost_Exceptions
/=
555 ALIs
.Table
(ALIs
.First
).Zero_Cost_Exceptions
558 Error_Msg_Name_1
:= ALIs
.Table
(A1
).Sfile
;
559 Error_Msg_Name_2
:= ALIs
.Table
(ALIs
.First
).Sfile
;
561 Consistency_Error_Msg
("% and % compiled with different "
562 & "exception handling mechanisms");
564 end loop Check_Mechanism
;
565 end Check_Consistent_Zero_Cost_Exception_Handling
;
567 -----------------------
568 -- Check_Consistency --
569 -----------------------
571 procedure Check_Consistency
is
573 -- Source file Id for this Sdep entry
576 -- First, we go through the source table to see if there are any cases
577 -- in which we should go after source files and compute checksums of
578 -- the source files. We need to do this for any file for which we have
579 -- mismatching time stamps and (so far) matching checksums.
581 for S
in Source
.First
.. Source
.Last
loop
583 -- If all time stamps for a file match, then there is nothing to
584 -- do, since we will not be checking checksums in that case anyway
586 if Source
.Table
(S
).All_Timestamps_Match
then
589 -- If we did not find the source file, then we can't compute its
590 -- checksum anyway. Note that when we have a time stamp mismatch,
591 -- we try to find the source file unconditionally (i.e. if
592 -- Check_Source_Files is False).
594 elsif not Source
.Table
(S
).Source_Found
then
597 -- If we already have non-matching or missing checksums, then no
598 -- need to try going after source file, since we won't trust the
599 -- checksums in any case.
601 elsif not Source
.Table
(S
).All_Checksums_Match
then
604 -- Now we have the case where we have time stamp mismatches, and
605 -- the source file is around, but so far all checksums match. This
606 -- is the case where we need to compute the checksum from the source
607 -- file, since otherwise we would ignore the time stamp mismatches,
608 -- and that is wrong if the checksum of the source does not agree
609 -- with the checksums in the ALI files.
611 elsif Check_Source_Files
then
612 if not Checksums_Match
613 (Source
.Table
(S
).Checksum
,
614 Get_File_Checksum
(Source
.Table
(S
).Sfile
))
616 Source
.Table
(S
).All_Checksums_Match
:= False;
621 -- Loop through ALI files
623 ALIs_Loop
: for A
in ALIs
.First
.. ALIs
.Last
loop
625 -- Loop through Sdep entries in one ALI file
628 ALIs
.Table
(A
).First_Sdep
.. ALIs
.Table
(A
).Last_Sdep
630 if Sdep
.Table
(D
).Dummy_Entry
then
634 Src
:= Source_Id
(Get_Name_Table_Info
(Sdep
.Table
(D
).Sfile
));
636 -- If the time stamps match, or all checksums match, then we
637 -- are OK, otherwise we have a definite error.
639 if Sdep
.Table
(D
).Stamp
/= Source
.Table
(Src
).Stamp
640 and then not Source
.Table
(Src
).All_Checksums_Match
642 Error_Msg_Name_1
:= ALIs
.Table
(A
).Sfile
;
643 Error_Msg_Name_2
:= Sdep
.Table
(D
).Sfile
;
645 -- Two styles of message, depending on whether or not
646 -- the updated file is the one that must be recompiled
648 if Error_Msg_Name_1
= Error_Msg_Name_2
then
649 if Tolerate_Consistency_Errors
then
651 ("?% has been modified and should be recompiled");
654 ("% has been modified and must be recompiled");
658 if Osint
.Is_Readonly_Library
(ALIs
.Table
(A
).Afile
) then
660 Osint
.Find_File
((ALIs
.Table
(A
).Afile
), Osint
.Library
);
662 if Tolerate_Consistency_Errors
then
663 Error_Msg
("?% should be recompiled");
664 Error_Msg_Name_1
:= Error_Msg_Name_2
;
665 Error_Msg
("?(% is obsolete and read-only)");
668 Error_Msg
("% must be compiled");
669 Error_Msg_Name_1
:= Error_Msg_Name_2
;
670 Error_Msg
("(% is obsolete and read-only)");
673 elsif Tolerate_Consistency_Errors
then
675 ("?% should be recompiled (% has been modified)");
678 Error_Msg
("% must be recompiled (% has been modified)");
682 if (not Tolerate_Consistency_Errors
) and Verbose_Mode
then
684 Msg
: constant String := "% time stamp ";
685 Buf
: String (1 .. Msg
'Length + Time_Stamp_Length
);
688 Buf
(1 .. Msg
'Length) := Msg
;
689 Buf
(Msg
'Length + 1 .. Buf
'Length) :=
690 String (Source
.Table
(Src
).Stamp
);
691 Error_Msg_Name_1
:= Sdep
.Table
(D
).Sfile
;
696 Msg
: constant String := " conflicts with % timestamp ";
697 Buf
: String (1 .. Msg
'Length + Time_Stamp_Length
);
700 Buf
(1 .. Msg
'Length) := Msg
;
701 Buf
(Msg
'Length + 1 .. Buf
'Length) :=
702 String (Sdep
.Table
(D
).Stamp
);
703 Error_Msg_Name_1
:= Sdep
.Table
(D
).Sfile
;
708 -- Exit from the loop through Sdep entries once we find one
709 -- that does not match.
718 end Check_Consistency
;
720 -------------------------------
721 -- Check_Duplicated_Subunits --
722 -------------------------------
724 procedure Check_Duplicated_Subunits
is
726 for J
in Sdep
.First
.. Sdep
.Last
loop
727 if Sdep
.Table
(J
).Subunit_Name
/= No_Name
then
728 Get_Decoded_Name_String
(Sdep
.Table
(J
).Subunit_Name
);
729 Name_Len
:= Name_Len
+ 2;
730 Name_Buffer
(Name_Len
- 1) := '%';
732 -- See if there is a body or spec with the same name
734 for K
in Boolean loop
736 Name_Buffer
(Name_Len
) := 'b';
739 Name_Buffer
(Name_Len
) := 's';
743 Info
: constant Int
:= Get_Name_Table_Info
(Name_Find
);
748 Write_Str
("error: subunit """);
749 Write_Name_Decoded
(Sdep
.Table
(J
).Subunit_Name
);
750 Write_Str
(""" in file """);
751 Write_Name_Decoded
(Sdep
.Table
(J
).Sfile
);
754 Write_Str
(" has same name as unit """);
755 Write_Unit_Name
(Units
.Table
(Unit_Id
(Info
)).Uname
);
756 Write_Str
(""" found in file """);
757 Write_Name_Decoded
(Units
.Table
(Unit_Id
(Info
)).Sfile
);
760 Write_Str
(" this is not allowed within a single "
761 & "partition (RM 10.2(19))");
763 Osint
.Exit_Program
(Osint
.E_Fatal
);
769 end Check_Duplicated_Subunits
;
775 procedure Check_Versions
is
776 VL
: constant Natural := ALIs
.Table
(ALIs
.First
).Ver_Len
;
779 for A
in ALIs
.First
.. ALIs
.Last
loop
780 if ALIs
.Table
(A
).Ver_Len
/= VL
781 or else ALIs
.Table
(A
).Ver
(1 .. VL
) /=
782 ALIs
.Table
(ALIs
.First
).Ver
(1 .. VL
)
784 Error_Msg_Name_1
:= ALIs
.Table
(A
).Sfile
;
785 Error_Msg_Name_2
:= ALIs
.Table
(ALIs
.First
).Sfile
;
787 Consistency_Error_Msg
788 ("% and % compiled with different GNAT versions");
793 ---------------------------
794 -- Consistency_Error_Msg --
795 ---------------------------
797 procedure Consistency_Error_Msg
(Msg
: String) is
799 if Tolerate_Consistency_Errors
then
801 -- If consistency errors are tolerated,
802 -- output the message as a warning.
805 Warning_Msg
: String (1 .. Msg
'Length + 1);
808 Warning_Msg
(1) := '?';
809 Warning_Msg
(2 .. Warning_Msg
'Last) := Msg
;
811 Error_Msg
(Warning_Msg
);
814 -- Otherwise the consistency error is a true error
819 end Consistency_Error_Msg
;