Added logic to handle lib & class declaration

src/runtime/model/error_codes_enum.py

@@ -0,0 +1,21 @@
+from enum import Enum
+
+
+class ErrorCodesEnum(Enum):
+
+    StartFailed = 'Start failed'
+    FileNotFound = 'File not found'
+    WrongFileType = 'Wrong file type'
+
+    Unknown = 'Unknown {}'
+    Inaccessible = '{} inaccessible'
+    Unexpected = 'Unexpected {}'
+    Expected = 'Expected {}'
+
+    LibInLib = 'Lib in lib'
+    LibInClass = 'Lib in class'
+    LibInFunc = 'Lib in func'
+    ClassInClass = 'Class in class'
+    ClassInFunc = 'Class in func'
+    FuncInLib = 'Func in lib'
+    FuncInFunc = 'Func in func'