-/* ----------------------------------------------------------------------------
- * Macros to help make Typeable instances.
- * -------------------------------------------------------------------------- */
+{- --------------------------------------------------------------------------
+// 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__
-#define INSTANCE_TYPEABLE1(tycon,tcname,str) \
-tcname = mkTyCon str; \
-instance Typeable1 tycon where { typeOf1 _ = mkAppTy tcname [] }
+-- // For GHC, we can use DeriveDataTypeable + StandaloneDeriving to
+-- // generate the instances.
-#define INSTANCE_TYPEABLE2(tycon,tcname,str) \
-tcname = mkTyCon str; \
-instance Typeable2 tycon where { typeOf2 _ = mkAppTy tcname [] }
-
-#define INSTANCE_TYPEABLE3(tycon,tcname,str) \
-tcname = mkTyCon str; \
-instance Typeable3 tycon where { typeOf3 _ = 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
#else /* !__GLASGOW_HASKELL__ */
+#define INSTANCE_TYPEABLE0(tycon,tcname,str) \
+tcname :: TyCon; \
+tcname = mkTyCon str; \
+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 { \
#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 { \
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
projects / ghc-base.git / blobdiff