{-# LANGUAGE MagicHash, CPP, TemplateHaskell, FlexibleInstances, TypeSynonymInstances #-} module Language.Haskell.TH.Instances where import Data.Ratio import GHC.Exts import GHC.Prim import Language.Haskell.TH.Syntax instance Lift a => Lift (Q a) where lift x = x >>= \x -> [| return x |] instance Lift Exp where lift (VarE name) = [|VarE name|] lift (ConE name) = [|ConE name|] lift (LitE lit) = [|LitE lit|] lift (AppE e1 e2) = [|AppE e1 e2|] lift (InfixE e1 e2 e3) = [|InfixE e1 e2 e3|] lift (LamE p e) = [|LamE p e|] lift (TupE e) = [|TupE e|] lift (CondE e1 e2 e3) = [|CondE e1 e2 e3|] lift (LetE d e) = [|LetE d e|] lift (CaseE e m) = [|CaseE e m|] lift (DoE s) = [|DoE s|] lift (CompE s) = [|CompE s|] lift (ArithSeqE r) = [|ArithSeqE r|] lift (ListE e) = [|ListE e|] lift (SigE e t) = [|SigE e t|] lift (RecConE n f) = [|RecConE n f|] lift (RecUpdE e f) = [|RecUpdE e f|] instance Lift Name where lift (Name o f) = [|Name o f|] instance Lift OccName where lift s = let s' = occString s in [|mkOccName s'|] fromInt (I# i) = i #if __GLASGOW_HASKELL__ >= 612 instance Lift ModName where lift = lift . modString instance Lift PkgName where lift = lift . pkgString instance Lift Pred where lift (ClassP n ts) = [|ClassP n ts|] lift (EqualP t t2) = [|EqualP t t2|] instance Lift Kind where lift StarK = [|StarK|] lift (ArrowK k1 k2) = [|ArrowK k1 k2|] instance Lift TyVarBndr where lift (PlainTV n) = [|PlainTV n|] lift (KindedTV n k) = [|KindedTV n k|] #endif instance Lift NameFlavour where lift NameS = [|NameS|] lift (NameQ n) = [|NameQ n|] lift (NameU i) = let i' = I# i in [|NameU (fromInt i')|] lift (NameL i) = let i' = I# i in [|NameL (fromInt i')|] lift (NameG n p m) = [|NameG n p m|] instance Lift Range where lift (FromR e) = [|FromR e|] lift (FromThenR e1 e2) = [|FromThenR e1 e2|] lift (FromToR e1 e2) = [|FromToR e1 e2|] lift (FromThenToR e1 e2 e3) = [|FromThenToR e1 e2 e3|] instance Lift Stmt where lift (BindS p e) = [|BindS p e|] lift (LetS d) = [|LetS d|] lift (NoBindS e) = [|NoBindS e|] lift (ParS s) = [|ParS s|] instance Lift Match where lift (Match p b d) = [|Match p b d|] instance Lift Type where lift (ForallT n c t) = [|ForallT n c t|] lift (VarT n) = [|VarT n|] lift (ConT n) = [|ConT n|] lift (TupleT i) = [|TupleT i|] lift (ArrowT) = [|ArrowT|] lift (ListT) = [|ListT|] lift (AppT t1 t2) = [|AppT t1 t2|] instance Lift Pat where lift (LitP l) = [|LitP l|] lift (VarP n) = [|VarP n|] lift (TupP p) = [|TupP p|] lift (ConP n p) = [|ConP n p|] lift (InfixP p1 n p2) = [|InfixP p1 n p2|] lift (TildeP p) = [|TildeP p|] lift (AsP n p) = [|AsP n p|] lift (WildP) = [|WildP|] lift (RecP n f) = [|RecP n f|] lift (ListP p) = [|ListP p|] lift (SigP p t) = [|SigP p t|] instance Lift Lit where lift (CharL c) = [|CharL c|] lift (StringL s) = [|StringL s|] lift (IntegerL i) = [|IntegerL i|] lift (RationalL r) = [|RationalL r|] lift (IntPrimL i) = [|IntPrimL i|] #if __GLASGOW_HASKELL__ >= 610 lift (WordPrimL i) = [|WordPrimL i|] #endif lift (FloatPrimL r) = [|FloatPrimL r|] lift (DoublePrimL r) = [|DoublePrimL r|] instance Lift Dec where lift (FunD n c) = [|FunD n c|] lift (ValD p b d) = [|ValD p b d|] lift (DataD c n l1 l2 l3) = [|DataD c n l1 l2 l3|] lift (NewtypeD c n l1 c' l2) = [|NewtypeD c n l1 c' l2|] lift (TySynD n l t) = [|TySynD n l t|] lift (ClassD c n l1 l2 l3) = [|ClassD c n l1 l2 l3|] lift (InstanceD c t d) = [|InstanceD c t d|] lift (SigD n t) = [|SigD n t|] lift (ForeignD f) = [|ForeignD f|] instance Lift NameSpace where lift (VarName) = [|VarName|] lift (DataName) = [|DataName|] lift (TcClsName) = [|TcClsName|] instance Lift Body where lift (GuardedB l) = [|GuardedB l|] lift (NormalB e) = [|NormalB e|] instance Lift Clause where lift (Clause p b d) = [|Clause p b d|] instance Lift Con where lift (NormalC n m) = [|NormalC n m|] lift (RecC n s) = [|RecC n s|] lift (InfixC s1 n s2) = [|InfixC s1 n s2|] lift (ForallC n c c') = [|ForallC n c c'|] instance Lift FunDep where lift (FunDep l1 l) = [|FunDep l1 l|] instance Lift Foreign where lift (ImportF c f s n t) = [|ImportF c f s n t|] lift (ExportF c s n t) = [|ExportF c s n t|] instance Lift Guard where lift (NormalG e) = [|NormalG e|] lift (PatG s) = [|PatG s|] instance Lift Strict where lift (IsStrict) = [|IsStrict|] lift (NotStrict) = [|NotStrict|] instance Lift Safety where lift (Unsafe) = [|Unsafe|] lift (safe) = [|safe|] instance Lift Callconv where lift (CCall) = [|CCall|] lift (StdCall) = [|StdCall|] instance Lift Rational where lift r = let n = numerator r d = denominator r in [|n % d|] instance Lift Double where lift d = [| D# $(return (LitE (DoublePrimL (toRational d)))) |]