Move 'snippet' queries to 'snippets' folders

python/ql/examples/snippets/raise_exception.ql

@@ -0,0 +1,19 @@
+/**
+ * @name Raise exception of a class
+ * @description Finds places where we raise AnException or one of its subclasses
+ * @tags throw
+ *       raise
+ *       exception
+ */
+ 
+import python
+
+from Raise raise, ClassObject ex
+where
+    ex.getName() = "AnException" and
+    (
+        raise.getException().refersTo(ex.getAnImproperSuperType())
+        or
+        raise.getException().refersTo(_, ex.getAnImproperSuperType(), _)
+    )
+select raise, "Don't raise instances of 'AnException'"