X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=include%2FTypeable.h;h=38fe90f22060242c3cbccf85b8be93b1ca81cf06;hb=7dbb606d7b57cdad87a0ffbdb6ea4a274ebca7c0;hp=5e22e0334ef1907c07d4c4edc085ae4ad1339add;hpb=d658695cc2eced5f6896ecfac195f43e7b533717;p=ghc-base.git

diff --git a/include/Typeable.h b/include/Typeable.h
index 5e22e03..38fe90f 100644
--- a/include/Typeable.h
+++ b/include/Typeable.h
@@ -14,28 +14,26 @@
 #ifndef TYPEABLE_H
 #define TYPEABLE_H
 
-#define INSTANCE_TYPEABLE0(tycon,tcname,str) \
-tcname = mkTyCon str; \
-instance Typeable tycon where { typeOf _ = mkTyConApp tcname [] }
-
 #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 _ = mkTyConApp 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 _ = mkTyConApp 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 _ = mkTyConApp tcname [] }
-
-#else /* !__GLASGOW_HASKELL__ */
+instance Typeable tycon where { typeOf _ = mkTyConApp tcname [] }
 
 #define INSTANCE_TYPEABLE1(tycon,tcname,str) \
 tcname = mkTyCon str; \
@@ -60,6 +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