module Data.Derive.Binary where {- import "binary" Data.Binary example :: Sample instance Binary alpha => Binary (Sample alpha) where put x = case x of First -> do putTag 0 Second x1 x2 -> do putTag 1 ; put x1 ; put x2 Third x1 -> do putTag 2 ; put x1 where useTag = length [First{}, Second{}, Third{}] > 1 putTag x = when useTag (putWord8 x) get = do i <- getTag case i of 0 -> do return (First) 1 -> do x1 <- get ; x2 <- get ; return (Second x1 x2) 2 -> do x1 <- get ; return (Third x1) _ -> error "Corrupted binary data for Sample" where useTag = length [First{}, Second{}, Third{}] > 1 getTag = if useTag then getWord8 else return 0 test :: List instance Binary a => Binary (List a) where put x = case x of Nil -> putWord8 0 Cons x1 x2 -> do putWord8 1; put x1; put x2 get = do i <- getWord8 case i of 0 -> return Nil 1 -> do x1 <- get; x2 <- get; return (Cons x1 x2) _ -> error "Corrupted binary data for List" test :: Assoced instance Binary typ => Binary (Assoced typ) where put (Assoced x1 x2) = do put x1; put x2 get = do x1 <- get; x2 <- get; return (Assoced x1 x2) -} -- GENERATED START import Data.Derive.DSL.DSL import Data.Derive.Internal.Derivation makeBinary :: Derivation makeBinary = derivationDSL "Binary" dslBinary dslBinary = List [Instance ["Binary"] "Binary" (List [App "InsDecl" (List [App "FunBind" (List [List [App "Match" (List [App "Ident" (List [ String "put"]),List [App "PVar" (List [App "Ident" (List [String "x"])])],App "Nothing" (List []),App "UnGuardedRhs" (List [App "Case" (List [App "Var" (List [App "UnQual" (List [App "Ident" ( List [String "x"])])]),MapCtor (App "Alt" (List [App "PApp" (List [App "UnQual" (List [App "Ident" (List [CtorName])]),MapField (App "PVar" (List [App "Ident" (List [Concat (List [String "x",ShowInt FieldIndex])])]))]),App "UnGuardedAlt" (List [App "Do" (List [ Concat (List [List [App "Qualifier" (List [App "App" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "putTag"])])]),App "Lit" (List [App "Int" (List [CtorIndex])])])]) ],MapField (App "Qualifier" (List [App "App" (List [App "Var" ( List [App "UnQual" (List [App "Ident" (List [String "put"])])]), App "Var" (List [App "UnQual" (List [App "Ident" (List [Concat ( List [String "x",ShowInt FieldIndex])])])])])]))])])]),App "BDecls" (List [List []])]))])]),App "BDecls" (List [List [App "PatBind" (List [App "PVar" (List [App "Ident" (List [String "useTag"])]),App "Nothing" (List []),App "UnGuardedRhs" (List [App "InfixApp" (List [App "App" (List [App "Var" (List [App "UnQual" ( List [App "Ident" (List [String "length"])])]),App "List" (List [ MapCtor (App "RecConstr" (List [App "UnQual" (List [App "Ident" ( List [CtorName])]),List []]))])]),App "QVarOp" (List [App "UnQual" (List [App "Symbol" (List [String ">"])])]),App "Lit" (List [App "Int" (List [Int 1])])])]),App "BDecls" (List [List []])]),App "FunBind" (List [List [App "Match" (List [App "Ident" (List [ String "putTag"]),List [App "PVar" (List [App "Ident" (List [ String "x"])])],App "Nothing" (List []),App "UnGuardedRhs" (List [ Application (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "when"])])]),App "Var" (List [App "UnQual" ( List [App "Ident" (List [String "useTag"])])]),App "Paren" (List [ App "App" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [Concat (List [String "putWord",ShowInt (Int 8)])])])]),App "Var" (List [App "UnQual" (List [App "Ident" (List [String "x"])]) ])])])])]),App "BDecls" (List [List []])])]])]])])]])]),App "InsDecl" (List [App "PatBind" (List [App "PVar" (List [App "Ident" (List [String "get"])]),App "Nothing" (List []),App "UnGuardedRhs" (List [App "Do" (List [List [App "Generator" (List [App "PVar" (List [App "Ident" (List [String "i"])]),App "Var" ( List [App "UnQual" (List [App "Ident" (List [String "getTag"])])]) ]),App "Qualifier" (List [App "Case" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "i"])])]),Concat (List [ MapCtor (App "Alt" (List [App "PLit" (List [App "Int" (List [ CtorIndex])]),App "UnGuardedAlt" (List [App "Do" (List [Concat ( List [MapField (App "Generator" (List [App "PVar" (List [App "Ident" (List [Concat (List [String "x",ShowInt FieldIndex])])]), App "Var" (List [App "UnQual" (List [App "Ident" (List [String "get"])])])])),List [App "Qualifier" (List [App "App" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "return"])])]),App "Paren" (List [Application (Concat (List [List [App "Con" (List [App "UnQual" (List [App "Ident" (List [CtorName] )])])],MapField (App "Var" (List [App "UnQual" (List [App "Ident" (List [Concat (List [String "x",ShowInt FieldIndex])])])]))]))])]) ])]])])]),App "BDecls" (List [List []])])),List [App "Alt" (List [ App "PWildCard" (List []),App "UnGuardedAlt" (List [App "App" ( List [App "Var" (List [App "UnQual" (List [App "Ident" (List [ String "error"])])]),App "Lit" (List [App "String" (List [Concat ( List [String "Corrupted binary data for ",DataName])])])])]),App "BDecls" (List [List []])])]])])])]])]),App "BDecls" (List [List [ App "PatBind" (List [App "PVar" (List [App "Ident" (List [String "useTag"])]),App "Nothing" (List []),App "UnGuardedRhs" (List [App "InfixApp" (List [App "App" (List [App "Var" (List [App "UnQual" ( List [App "Ident" (List [String "length"])])]),App "List" (List [ MapCtor (App "RecConstr" (List [App "UnQual" (List [App "Ident" ( List [CtorName])]),List []]))])]),App "QVarOp" (List [App "UnQual" (List [App "Symbol" (List [String ">"])])]),App "Lit" (List [App "Int" (List [Int 1])])])]),App "BDecls" (List [List []])]),App "PatBind" (List [App "PVar" (List [App "Ident" (List [String "getTag"])]),App "Nothing" (List []),App "UnGuardedRhs" (List [App "If" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "useTag"])])]),App "Var" (List [App "UnQual" (List [App "Ident" (List [Concat (List [String "getWord",ShowInt (Int 8)])])] )]),App "App" (List [App "Var" (List [App "UnQual" (List [App "Ident" (List [String "return"])])]),App "Lit" (List [App "Int" ( List [Int 0])])])])]),App "BDecls" (List [List []])])]])])])])] -- GENERATED STOP