From: Pierre-Marie de Rodat <derodat@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Piotr Trojanek <trojanek@adacore.com>
Subject: [Ada] Reject boxes in delta record aggregates
Date: Wed, 20 Oct 2021 19:27:51 +0000 [thread overview]
Message-ID: <20211020192751.GA3154276@adacore.com> (raw)
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Implement Ada 2022 4.3.1(17.3/5), prevents box compound delimiter <> to
appear in record delta aggregates.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_aggr.adb (Resolve_Delta_Record_Aggregate): Reject boxes in
record delta aggregates.
[-- Attachment #2: patch.diff --]
[-- Type: text/x-diff, Size: 887 bytes --]
diff --git a/gcc/ada/sem_aggr.adb b/gcc/ada/sem_aggr.adb
--- a/gcc/ada/sem_aggr.adb
+++ b/gcc/ada/sem_aggr.adb
@@ -3545,7 +3545,19 @@ package body Sem_Aggr is
end loop;
pragma Assert (Present (Comp_Type));
- Analyze_And_Resolve (Expression (Assoc), Comp_Type);
+
+ -- A record_component_association in record_delta_aggregate shall not
+ -- use the box compound delimiter <> rather than an expression; see
+ -- RM 4.3.1(17.3/5).
+
+ pragma Assert (Present (Expression (Assoc)) xor Box_Present (Assoc));
+
+ if Box_Present (Assoc) then
+ Error_Msg_N
+ ("'<'> in record delta aggregate is not allowed", Assoc);
+ else
+ Analyze_And_Resolve (Expression (Assoc), Comp_Type);
+ end if;
Next (Assoc);
end loop;
end Resolve_Delta_Record_Aggregate;
reply other threads:[~2021-10-20 19:27 UTC|newest]
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