diff --git a/TODO b/TODO
new file mode 100644
index 00000000..96fdc3b2
--- /dev/null
+++ b/TODO
@@ -0,0 +1,4 @@
+namespaces
+using
+lambdas
+friend
diff --git a/doc/cpp-testing.rst b/doc/cpp-testing.rst
new file mode 100644
index 00000000..b42d2029
--- /dev/null
+++ b/doc/cpp-testing.rst
@@ -0,0 +1,49 @@
+C++ testing grounds
+===================
+
+Classes
+-------
+
+.. cpp:autodoc:: ../cpp/class.cpp
+
+Structs
+-------
+
+.. cpp:autodoc:: ../cpp/struct-class.cpp
+
+Enum class
+----------
+
+.. cpp:autodoc:: ../cpp/enum-class.cpp
+
+Templates
+---------
+
+.. cpp:autodoc:: ../cpp/template.cpp
+   :clang: --std=c++17
+
+.. A link to a struct documentation from the docs :cpp:any:`stfoo`.
+..
+.. .. cpp:autodoc:: test-cpp.cpp
+..
+.. .. cpp:autovar:: fooer
+..    :file: test-cpp.cpp
+..
+.. .. cpp:autodoc:: enum.cpp
+..
+.. .. cpp:enum:: MyEnum
+..
+..    An unscoped enum.
+..
+.. .. cpp:enum:: MySpecificEnum : long
+..
+..    An unscoped enum with specified underlying type.
+..
+.. .. cpp:enum-class:: MyScopedEnum
+..
+..    A scoped enum.
+..
+.. .. cpp:enum-struct:: protected MyScopedVisibilityEnum : std::underlying_type<MySpecificEnum>::type
+..
+..    A scoped enum with non-default visibility, and with a specified underlying
+..    type.
diff --git a/doc/index.rst b/doc/index.rst
index f0f229f0..137fd26b 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -48,6 +48,7 @@ Contents:
    built-in-extensions
    tips
    troubleshooting
+   cpp-testing
 
 Indices and tables
 ==================
diff --git a/dump_tokens.py b/dump_tokens.py
new file mode 100755
index 00000000..a93d8c6b
--- /dev/null
+++ b/dump_tokens.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+
+import functools
+import sys
+import textwrap
+
+from src.hawkmoth.doccursor import *
+from clang.cindex import Index, TranslationUnit
+
+index = Index.create()
+
+tu = index.parse(sys.argv[1], args=['-xc++'],
+                 options=TranslationUnit.PARSE_CACHE_COMPLETION_RESULTS |
+                 TranslationUnit.PARSE_DETAILED_PROCESSING_RECORD |
+                 TranslationUnit.PARSE_SKIP_FUNCTION_BODIES)
+
+# for cc in tu.cursor.get_children():
+#     cursor = DocCursor(cursor=cc)
+#
+#     # cursor2 = DocCursor(cursor=cc)
+#     # print('    hash:', hash(cursor) == hash(cursor2))
+#     # print('equality:', cursor == cursor2)
+#     # print('     ids:', id(cursor) == id(cursor2))
+#     # print('identity:', cursor is cursor2)
+#     # exit(0)
+#
+#     print(cursor.kind)
+#     print('\t', cursor.type, cursor.name)
+#
+#     for c in cursor.get_children():
+#         print('\t', c.kind)
+#         print('\t\t', c.type, c.name)
+
+for cc in tu.cursor.get_children():
+    cursor = DocCursor(cursor=cc)
+    type = cursor.type
+    decl_name = cursor.decl_name
+
+    for c in cursor.get_children():
+        type = cursor.type
+        decl_name = cursor.decl_name
+
+for cc in tu.cursor.get_children():
+    cursor = DocCursor(cursor=cc)
+    type = cursor.type
+    decl_name = cursor.decl_name
+
+    for c in cursor.get_children():
+        type = cursor.type
+        decl_name = cursor.decl_name
+
+print(DocCursor.cache_info())
+DocCursor.cache_wipe()
+print()
+print(DocCursor.cache_info())