From: Pierre-Marie de Rodat <derodat@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Piotr Trojanek <trojanek@adacore.com>
Subject: [Ada] A new utility routine for detecting attribute 'Old
Date: Tue, 17 Sep 2019 08:06:00 -0000 [thread overview]
Message-ID: <20190917080633.GA37488@adacore.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 293 bytes --]
Add a utility routine for detecting attribute 'Old. It will be
immediately reused in the GNATprove backend.
Tested on x86_64-pc-linux-gnu, committed on trunk
2019-09-17 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_util.ads, sem_util.adb (Is_Attribute_Old): New utility
routine.
[-- Attachment #2: patch.diff --]
[-- Type: text/x-diff, Size: 1053 bytes --]
--- gcc/ada/sem_util.adb
+++ gcc/ada/sem_util.adb
@@ -13559,6 +13559,16 @@ package body Sem_Util is
Is_Volatile_Full_Access (Etype (Entity (N)))));
end Is_Atomic_Or_VFA_Object;
+ ----------------------
+ -- Is_Attribute_Old --
+ ----------------------
+
+ function Is_Attribute_Old (N : Node_Id) return Boolean is
+ begin
+ return Nkind (N) = N_Attribute_Reference
+ and then Attribute_Name (N) = Name_Old;
+ end Is_Attribute_Old;
+
-------------------------
-- Is_Attribute_Result --
-------------------------
--- gcc/ada/sem_util.ads
+++ gcc/ada/sem_util.ads
@@ -1549,6 +1549,9 @@ package Sem_Util is
-- Determine whether arbitrary node N denotes a reference to an object
-- which is either atomic or Volatile_Full_Access.
+ function Is_Attribute_Old (N : Node_Id) return Boolean;
+ -- Determine whether node N denotes attribute 'Old
+
function Is_Attribute_Result (N : Node_Id) return Boolean;
-- Determine whether node N denotes attribute 'Result
reply other threads:[~2019-09-17 8:06 UTC|newest]
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