X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=include%2FTypeable.h;h=38fe90f22060242c3cbccf85b8be93b1ca81cf06;hb=7dbb606d7b57cdad87a0ffbdb6ea4a274ebca7c0;hp=9e3bd869dbaf1c7aca4ce962017938053718485a;hpb=2aa1070a9a6095e80e82d66f20e4c6f3b5155b82;p=ghc-base.git diff --git a/include/Typeable.h b/include/Typeable.h index 9e3bd86..38fe90f 100644 --- a/include/Typeable.h +++ b/include/Typeable.h @@ -1,46 +1,48 @@ -/* ---------------------------------------------------------------------------- - * Macros to help make Typeable instances. - * - * INSTANCE_TYPEABLEn(tc,tcname,"tc") defines - * - * instance Typeable/n/ tc - * instance Typeable a => Typeable/n-1/ (tc a) - * instance (Typeable a, Typeable b) => Typeable/n-2/ (tc a b) - * ... - * instance (Typeable a1, ..., Typeable an) => Typeable (tc a1 ... an) - * -------------------------------------------------------------------------- */ +{- -------------------------------------------------------------------------- +// Macros to help make Typeable instances. +// +// INSTANCE_TYPEABLEn(tc,tcname,"tc") defines +// +// instance Typeable/n/ tc +// instance Typeable a => Typeable/n-1/ (tc a) +// instance (Typeable a, Typeable b) => Typeable/n-2/ (tc a b) +// ... +// instance (Typeable a1, ..., Typeable an) => Typeable (tc a1 ... an) +// -------------------------------------------------------------------------- +-} -#define INSTANCE_TYPEABLE0(tycon,tcname,str) \ -tcname = mkTyCon str; \ -instance Typeable tycon where { typeOf _ = mkAppTy tcname [] } +#ifndef TYPEABLE_H +#define TYPEABLE_H #ifdef __GLASGOW_HASKELL__ -/* For GHC, the extra instances follow from general instance declarations - * defined in Data.Typeable. */ +-- // For GHC, we can use DeriveDataTypeable + StandaloneDeriving to +-- // generate the instances. -#define INSTANCE_TYPEABLE1(tycon,tcname,str) \ -tcname = mkTyCon str; \ -instance Typeable1 tycon where { typeOf1 _ = mkAppTy tcname [] } +#define INSTANCE_TYPEABLE0(tycon,tcname,str) deriving instance Typeable tycon +#define INSTANCE_TYPEABLE1(tycon,tcname,str) deriving instance Typeable1 tycon +#define INSTANCE_TYPEABLE2(tycon,tcname,str) deriving instance Typeable2 tycon +#define INSTANCE_TYPEABLE3(tycon,tcname,str) deriving instance Typeable3 tycon +#define INSTANCE_TYPEABLE4(tycon,tcname,str) deriving instance Typeable4 tycon +#define INSTANCE_TYPEABLE5(tycon,tcname,str) deriving instance Typeable5 tycon +#define INSTANCE_TYPEABLE6(tycon,tcname,str) deriving instance Typeable6 tycon +#define INSTANCE_TYPEABLE7(tycon,tcname,str) deriving instance Typeable7 tycon -#define INSTANCE_TYPEABLE2(tycon,tcname,str) \ -tcname = mkTyCon str; \ -instance Typeable2 tycon where { typeOf2 _ = mkAppTy tcname [] } +#else /* !__GLASGOW_HASKELL__ */ -#define INSTANCE_TYPEABLE3(tycon,tcname,str) \ +#define INSTANCE_TYPEABLE0(tycon,tcname,str) \ +tcname :: TyCon; \ tcname = mkTyCon str; \ -instance Typeable3 tycon where { typeOf3 _ = mkAppTy tcname [] } - -#else /* !__GLASGOW_HASKELL__ */ +instance Typeable tycon where { typeOf _ = mkTyConApp tcname [] } #define INSTANCE_TYPEABLE1(tycon,tcname,str) \ tcname = mkTyCon str; \ -instance Typeable1 tycon where { typeOf1 _ = mkAppTy tcname [] }; \ +instance Typeable1 tycon where { typeOf1 _ = mkTyConApp tcname [] }; \ instance Typeable a => Typeable (tycon a) where { typeOf = typeOfDefault } #define INSTANCE_TYPEABLE2(tycon,tcname,str) \ tcname = mkTyCon str; \ -instance Typeable2 tycon where { typeOf2 _ = mkAppTy tcname [] }; \ +instance Typeable2 tycon where { typeOf2 _ = mkTyConApp tcname [] }; \ instance Typeable a => Typeable1 (tycon a) where { \ typeOf1 = typeOf1Default }; \ instance (Typeable a, Typeable b) => Typeable (tycon a b) where { \ @@ -48,7 +50,7 @@ instance (Typeable a, Typeable b) => Typeable (tycon a b) where { \ #define INSTANCE_TYPEABLE3(tycon,tcname,str) \ tcname = mkTyCon str; \ -instance Typeable3 tycon where { typeOf3 _ = mkAppTy tcname [] }; \ +instance Typeable3 tycon where { typeOf3 _ = mkTyConApp tcname [] }; \ instance Typeable a => Typeable2 (tycon a) where { \ typeOf2 = typeOf2Default }; \ instance (Typeable a, Typeable b) => Typeable1 (tycon a b) where { \ @@ -56,4 +58,66 @@ instance (Typeable a, Typeable b) => Typeable1 (tycon a b) where { \ instance (Typeable a, Typeable b, Typeable c) => Typeable (tycon a b c) where { \ typeOf = typeOfDefault } +#define INSTANCE_TYPEABLE4(tycon,tcname,str) \ +tcname = mkTyCon str; \ +instance Typeable4 tycon where { typeOf4 _ = mkTyConApp tcname [] }; \ +instance Typeable a => Typeable3 (tycon a) where { \ + typeOf3 = typeOf3Default }; \ +instance (Typeable a, Typeable b) => Typeable2 (tycon a b) where { \ + typeOf2 = typeOf2Default }; \ +instance (Typeable a, Typeable b, Typeable c) => Typeable1 (tycon a b c) where { \ + typeOf1 = typeOf1Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d) => Typeable (tycon a b c d) where { \ + typeOf = typeOfDefault } + +#define INSTANCE_TYPEABLE5(tycon,tcname,str) \ +tcname = mkTyCon str; \ +instance Typeable5 tycon where { typeOf5 _ = mkTyConApp tcname [] }; \ +instance Typeable a => Typeable4 (tycon a) where { \ + typeOf4 = typeOf4Default }; \ +instance (Typeable a, Typeable b) => Typeable3 (tycon a b) where { \ + typeOf3 = typeOf3Default }; \ +instance (Typeable a, Typeable b, Typeable c) => Typeable2 (tycon a b c) where { \ + typeOf2 = typeOf2Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d) => Typeable1 (tycon a b c d) where { \ + typeOf1 = typeOf1Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e) => Typeable (tycon a b c d e) where { \ + typeOf = typeOfDefault } + +#define INSTANCE_TYPEABLE6(tycon,tcname,str) \ +tcname = mkTyCon str; \ +instance Typeable6 tycon where { typeOf6 _ = mkTyConApp tcname [] }; \ +instance Typeable a => Typeable5 (tycon a) where { \ + typeOf5 = typeOf5Default }; \ +instance (Typeable a, Typeable b) => Typeable4 (tycon a b) where { \ + typeOf4 = typeOf4Default }; \ +instance (Typeable a, Typeable b, Typeable c) => Typeable3 (tycon a b c) where { \ + typeOf3 = typeOf3Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d) => Typeable2 (tycon a b c d) where { \ + typeOf2 = typeOf2Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e) => Typeable1 (tycon a b c d e) where { \ + typeOf1 = typeOf1Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e, Typeable f) => Typeable (tycon a b c d e f) where { \ + typeOf = typeOfDefault } + +#define INSTANCE_TYPEABLE7(tycon,tcname,str) \ +tcname = mkTyCon str; \ +instance Typeable7 tycon where { typeOf7 _ = mkTyConApp tcname [] }; \ +instance Typeable a => Typeable6 (tycon a) where { \ + typeOf6 = typeOf6Default }; \ +instance (Typeable a, Typeable b) => Typeable5 (tycon a b) where { \ + typeOf5 = typeOf5Default }; \ +instance (Typeable a, Typeable b, Typeable c) => Typeable4 (tycon a b c) where { \ + typeOf4 = typeOf4Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d) => Typeable3 (tycon a b c d) where { \ + typeOf3 = typeOf3Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e) => Typeable2 (tycon a b c d e) where { \ + typeOf2 = typeOf2Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e, Typeable f) => Typeable1 (tycon a b c d e f) where { \ + typeOf1 = typeOf1Default }; \ +instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e, Typeable f, Typeable g) => Typeable (tycon a b c d e f g) where { \ + typeOf = typeOfDefault } + #endif /* !__GLASGOW_HASKELL__ */ + +#endif