From 4d4e0e2530629ae9ecfcb379bf0f27c6b18b6891 Mon Sep 17 00:00:00 2001
From: Derek Lamberti <derek.lamberti@arm.com>
Date: Wed, 19 Feb 2020 13:30:47 +0000
Subject: IVGCVSW-4483 Introduce polymorphic_downcast implementation

Change-Id: I958dd719162337eb5c7e71f4ac49dd5784564b1a
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
---
 include/armnn/Exceptions.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'include/armnn/Exceptions.hpp')

diff --git a/include/armnn/Exceptions.hpp b/include/armnn/Exceptions.hpp
index cb62079b76..05b740614d 100644
--- a/include/armnn/Exceptions.hpp
+++ b/include/armnn/Exceptions.hpp
@@ -143,6 +143,13 @@ public:
     using Exception::Exception;
 };
 
+class PolymorphicDowncastException : public Exception
+{
+public:
+    using Exception::Exception;
+};
+
+
 template <typename ExceptionType>
 void ConditionalThrow(bool condition, const std::string& message)
 {
@@ -152,6 +159,16 @@ void ConditionalThrow(bool condition, const std::string& message)
     }
 }
 
+template <typename ExceptionType>
+void ConditionalThrow(bool condition)
+{
+    if (!condition)
+    {
+        throw ExceptionType();
+    }
+}
+
+
 ///
 /// ComparedType must support:
 ///   operator==(const ComparedType&)
-- 
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