--- /dev/null
+## @file\r
+# This file is used to define common Exceptions class used in python tools\r
+#\r
+# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+# This program and the accompanying materials\r
+# are licensed and made available under the terms and conditions of the BSD License\r
+# which accompanies this distribution. The full text of the license may be found at\r
+# http://opensource.org/licenses/bsd-license.php\r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+## Exceptions used in Expression\r
+class EvaluationException(Exception):\r
+ pass\r
+\r
+class BadExpression(EvaluationException):\r
+ pass\r
+\r
+class WrnExpression(Exception):\r
+ pass\r
+\r
+## Exceptions used in macro replacements\r
+class MacroException(Exception):\r
+ pass\r
+\r
+class SymbolNotFound(MacroException):\r
+ pass\r
+\r