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authorPiotr Trojanek <trojanek@adacore.com>2019-09-17 08:01:23 +0000
committerPierre-Marie de Rodat <pmderodat@gcc.gnu.org>2019-09-17 08:01:23 +0000
commitee7c961db9da34d3e437eba0088f7291a7a5dfb4 (patch)
tree3b2d41314d94f44d3342e2258f34eadb4956cc3f /gcc/ada
parentcbb0b55385692dca6898a2668766f17ea42c4d2e (diff)
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[Ada] A new utility routine for detecting attribute 'Old
Add a utility routine for detecting attribute 'Old. It will be immediately reused in the GNATprove backend. 2019-09-17 Piotr Trojanek <trojanek@adacore.com> gcc/ada/ * sem_util.ads, sem_util.adb (Is_Attribute_Old): New utility routine. From-SVN: r275780
Diffstat (limited to 'gcc/ada')
-rw-r--r--gcc/ada/ChangeLog5
-rw-r--r--gcc/ada/sem_util.adb10
-rw-r--r--gcc/ada/sem_util.ads3
3 files changed, 18 insertions, 0 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index a2f7e27..705756d 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-17 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_util.ads, sem_util.adb (Is_Attribute_Old): New utility
+ routine.
+
2019-09-17 Yannick Moy <moy@adacore.com>
* inline.adb (Can_Be_Inlined_In_GNATprove_Mode): Add handling
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 86ae740..b7d2895 100644
--- a/gcc/ada/sem_util.adb
+++ b/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 --
-------------------------
diff --git a/gcc/ada/sem_util.ads b/gcc/ada/sem_util.ads
index c9065e5..2d1bcf0 100644
--- a/gcc/ada/sem_util.ads
+++ b/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