public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r13-7897] ada: Fix Valid_Scalars attribute applied to types from limited with
@ 2023-09-27 8:27 Eric Botcazou
0 siblings, 0 replies; only message in thread
From: Eric Botcazou @ 2023-09-27 8:27 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:e68906c444e6488960908c89c26ebdba67b6f2cb
commit r13-7897-ge68906c444e6488960908c89c26ebdba67b6f2cb
Author: Eric Botcazou <ebotcazou@adacore.com>
Date: Sun Jul 2 10:07:55 2023 +0200
ada: Fix Valid_Scalars attribute applied to types from limited with
The attribute is wrongly computed as always True because, unlike for e.g.
private types, Validated_View does not look through the limited view.
gcc/ada/
* sem_util.ads (Validated_View): Document enhanced behavior.
* sem_util.adb (Validated_View): Return the nonlimited view, if any,
of types coming from a limited with.
Diff:
---
gcc/ada/sem_util.adb | 7 +++++++
gcc/ada/sem_util.ads | 4 ++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index e9eb92936ee..a77a0e8330a 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -29230,6 +29230,13 @@ package body Sem_Util is
return Typ;
end if;
+ elsif From_Limited_With (Typ) then
+ if Has_Non_Limited_View (Typ) then
+ return Validated_View (Non_Limited_View (Typ));
+ else
+ return Typ;
+ end if;
+
else
return Typ;
end if;
diff --git a/gcc/ada/sem_util.ads b/gcc/ada/sem_util.ads
index 70b50bf15f8..aa328df6fdc 100644
--- a/gcc/ada/sem_util.ads
+++ b/gcc/ada/sem_util.ads
@@ -3342,8 +3342,8 @@ package Sem_Util is
function Validated_View (Typ : Entity_Id) return Entity_Id;
-- Obtain the "validated view" of arbitrary type Typ which is suitable for
-- verification by attribute 'Valid_Scalars. This view is the type itself
- -- or its full view while stripping away concurrency, derivations, and
- -- privacy.
+ -- or its full view or nonlimited view, while stripping away concurrency,
+ -- derivations, and privacy.
function Visible_Ancestors (Typ : Entity_Id) return Elist_Id;
-- [Ada 2012:AI-0125-1]: Collect all the visible parents and progenitors
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-09-27 8:27 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-27 8:27 [gcc r13-7897] ada: Fix Valid_Scalars attribute applied to types from limited with Eric Botcazou
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).