Merge branch 'master' of http://darcs.haskell.org/ghc into ghc-generics

[ghc-hetmet.git] / compiler / deSugar / DsMeta.hs

diff --git a/compiler/deSugar/DsMeta.hs b/compiler/deSugar/DsMeta.hs
index 4211c61..a4b47ee 100644 (file)
--- a/compiler/deSugar/DsMeta.hs
+++ b/compiler/deSugar/DsMeta.hs
@@ -420,6 +420,10 @@ rep_sig :: LSig Name -> DsM [(SrcSpan, Core TH.DecQ)]
        -- Singleton => Ok
        -- Empty     => Too hard, signature ignored
 rep_sig (L loc (TypeSig nm ty))       = rep_proto nm ty loc
+rep_sig (L _   (GenericSig nm _))     = failWithDs msg
+  where msg = vcat  [ ptext (sLit "Illegal default signature for") <+> quotes (ppr nm)
+                    , ptext (sLit "Default signatures are not supported by Template Haskell") ]
+
 rep_sig (L loc (InlineSig nm ispec))  = rep_inline nm ispec loc
 rep_sig (L loc (SpecSig nm ty ispec)) = rep_specialise nm ty ispec loc
 rep_sig _                             = return []
@@ -631,7 +635,6 @@ repTy (HsKindSig t k)       = do
                                 k1 <- repKind k
                                 repTSig t1 k1
 repTy (HsSpliceTy splice _ _) = repSplice splice
-repTy ty@(HsNumTy _)          = notHandled "Number types (for generics)" (ppr ty)
 repTy ty                     = notHandled "Exotic form of type" (ppr ty)
 
 -- represent a kind
@@ -1580,7 +1583,7 @@ repLiteral lit
 mk_integer :: Integer -> DsM HsLit
 mk_integer  i = do integer_ty <- lookupType integerTyConName
                    return $ HsInteger i integer_ty
-mk_rational :: Rational -> DsM HsLit
+mk_rational :: FractionalLit -> DsM HsLit
 mk_rational r = do rat_ty <- lookupType rationalTyConName
                    return $ HsRat r rat_ty
 mk_string :: FastString -> DsM HsLit
@@ -1595,7 +1598,7 @@ repOverloadedLiteral (OverLit { ol_val = val})
 
 mk_lit :: OverLitVal -> DsM HsLit
 mk_lit (HsIntegral i)   = mk_integer  i
-mk_lit (HsFractional f) = mk_rational (fl_value f)
+mk_lit (HsFractional f) = mk_rational f
 mk_lit (HsIsString s)   = mk_string   s
               
 --------------- Miscellaneous -------------------