+ ppent (Just e) = pPrint e
+ ppent Nothing = text "Nothing"
+ pparch Nothing = text "VHDL architecture not present"
+ pparch (Just _) = text "VHDL architecture present"
+
+instance Pretty Entity where
+ pPrint (Entity id args res decl) =
+ text "Entity: " $$ nest 10 (pPrint id)
+ $+$ text "Args: " $$ nest 10 (pPrint args)
+ $+$ text "Result: " $$ nest 10 (pPrint res)
+ $+$ ppdecl decl
+ where
+ ppdecl Nothing = text "VHDL entity not present"
+ ppdecl (Just _) = text "VHDL entity present"