my ast

data Module l
    = Module l (Maybe (ModuleHead l)) [ModulePragma l] [ImportDecl l] [Decl l]
    -- ^ an ordinary Haskell module
    | XmlPage l (ModuleName l) [ModulePragma l] (XName l) [XAttr l] (Maybe (Exp l)) [Exp l]
    -- ^ a module consisting of a single XML document. The ModuleName never appears in the source
    --   but is needed for semantic purposes, it will be the same as the file name.
    | XmlHybrid l (Maybe (ModuleHead l)) [ModulePragma l] [ImportDecl l] [Decl l]
                (XName l) [XAttr l] (Maybe (Exp l)) [Exp l]
    -- ^ a hybrid module combining an XML document with an ordinary module
  deriving (Eq,Ord,Show,Typeable,Data,Foldable,Traversable,Functor,Generic)