diff --git a/src/Data/Language/Ruby/AST.hs b/src/Data/Language/Ruby/AST.hs
index 7bda1f1..64d1ed0 100644
--- a/src/Data/Language/Ruby/AST.hs
+++ b/src/Data/Language/Ruby/AST.hs
@@ -9,6 +9,10 @@ module Data.Language.Ruby.AST
   , Name(..)
   , Send(..)
   , Namespace(..)
+  , RBlock(..)
+  , Casgn(..)
+  , RArray(..)
+  , Anything(..)
   ) where
 
 import Data.Aeson (parseJSON, Value(..), withArray)
@@ -49,9 +53,10 @@ data Statement
   | StmtFunction Function
   | StmtSend Send
   | StmtRBlock RBlock
-  -- TODO: We should also handle modules here.  Otherwise we cannot
-  -- cover the case where a function references a module.
   | StmtConst Namespace
+  | StmtCasgn Casgn
+  | StmtArray RArray
+  -- TODO Get rid of this
   | StmtAnything Anything
 
 deriving stock instance Show Statement
@@ -77,8 +82,45 @@ instance FromJSON Statement where
     <|> (StmtSend     <$> parseJSON v)
     <|> (StmtRBlock   <$> parseJSON v)
     <|> (StmtConst    <$> parseJSON v)
+    <|> (StmtCasgn    <$> parseJSON v)
+    <|> (StmtArray    <$> parseJSON v)
     <|> (StmtAnything <$> parseJSON v)
 
+data Casgn = Casgn
+  { name      :: Name
+  , statement :: Statement
+  }
+deriving stock instance Show Casgn
+deriving stock instance Ord Casgn
+deriving stock instance Eq Casgn
+deriving stock instance Generic Casgn
+instance ToJSON Casgn where
+  toEncoding = Aeson.genericToEncoding aesonOptions
+instance FromJSON Casgn where
+  parseJSON = withArray "Module" $ \case
+    [String "casgn", _, name, statement]
+      ->  Casgn
+      <$> parseJSON name
+      <*> parseJSON statement
+    _ -> empty
+
+
+data RArray = RArray
+  { statements :: [Statement]
+  }
+deriving stock instance Show RArray
+deriving stock instance Ord RArray
+deriving stock instance Eq RArray
+deriving stock instance Generic RArray
+instance ToJSON RArray where
+  toEncoding = Aeson.genericToEncoding aesonOptions
+instance FromJSON RArray where
+  parseJSON = withArray "RArray" $ \as -> case Vector.toList as of
+    String "array":xs
+      ->  RArray
+      <$> traverse parseJSON xs
+    _ -> empty
+
 newtype Anything = Anything Value
 
 deriving stock instance Show Anything
diff --git a/src/Rubyhs/References.hs b/src/Rubyhs/References.hs
index 2fa11fd..1376ec9 100644
--- a/src/Rubyhs/References.hs
+++ b/src/Rubyhs/References.hs
@@ -186,9 +186,20 @@ instance References Statement where
     StmtFunction f -> entries f
     StmtSend s     -> entries s
     StmtConst c    -> entries c
-    -- TODO:
-    StmtRBlock{}   -> pure ()
-    StmtAnything{} -> pure ()
+    StmtRBlock b   -> entries b
+    StmtCasgn c    -> entries c
+    StmtArray a    -> entries a
+    StmtAnything a -> entries a
+
+-- TODO
+instance References Ruby.RBlock where
+  entries = const $ pure ()
+instance References Ruby.Casgn where
+  entries = const $ pure ()
+instance References Ruby.RArray where
+  entries = const $ pure ()
+instance References Ruby.Anything where
+  entries = const $ pure ()
 
 instance References Ruby.Namespace where
   entries = \case