adding back files to be reviewed

openmc/exceptions.py

@@ -0,0 +1,38 @@
+class OpenMCError(Exception):
+    """Root exception class for OpenMC."""
+
+
+class GeometryError(OpenMCError):
+    """Geometry-related error"""
+
+
+class InvalidIDError(OpenMCError):
+    """Use of an ID that is invalid."""
+
+
+class AllocationError(OpenMCError):
+    """Error related to memory allocation."""
+
+
+class OutOfBoundsError(OpenMCError):
+    """Index in array out of bounds."""
+
+
+class DataError(OpenMCError):
+    """Error relating to nuclear data."""
+
+
+class PhysicsError(OpenMCError):
+    """Error relating to performing physics."""
+
+
+class InvalidArgumentError(OpenMCError):
+    """Argument passed was invalid."""
+
+
+class InvalidTypeError(OpenMCError):
+    """Tried to perform an operation on the wrong type."""
+
+
+class SetupError(OpenMCError):
+    """Error while setting up a problem."""