X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypes%2FGenerics.lhs;h=fed023ed52a5359a29c8dc4135a80470d0d33960;hp=5494999b57ae7a3f52285d12361f4db3c6574826;hb=703ca1542c8e0983cc9d8eebce6e9f3dd3fd71e2;hpb=ab22f4e6456820c1b5169d75f5975a94e61f54ce diff --git a/compiler/types/Generics.lhs b/compiler/types/Generics.lhs index 5494999..fed023e 100644 --- a/compiler/types/Generics.lhs +++ b/compiler/types/Generics.lhs @@ -3,6 +3,13 @@ % \begin{code} +{-# OPTIONS -fno-warn-incomplete-patterns #-} +-- The above warning supression flag is a temporary kludge. +-- While working on this module you are encouraged to remove it and fix +-- any warnings in the module. See +-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings +-- for details + module Generics ( canDoGenerics, mkTyConGenericBinds, mkGenericRhs, validGenericInstanceType, validGenericMethodType @@ -11,13 +18,11 @@ module Generics ( canDoGenerics, mkTyConGenericBinds, import HsSyn import Type -import TcHsSyn import TcType import DataCon import TyCon import Name -import OccName import RdrName import BasicTypes import Var @@ -385,12 +390,13 @@ splitInHalf list = (left, right) mkGenericLocal :: US -> RdrName mkGenericLocal u = mkVarUnqual (mkFastString ("g" ++ show u)) +mkGenericNames :: TyCon -> (RdrName, RdrName) mkGenericNames tycon = (from_RDR, to_RDR) where tc_name = tyConName tycon tc_occ = nameOccName tc_name - tc_mod = nameModule tc_name + tc_mod = ASSERT( isExternalName tc_name ) nameModule tc_name from_RDR = mkOrig tc_mod (mkGenOcc1 tc_occ) to_RDR = mkOrig tc_mod (mkGenOcc2 tc_occ) \end{code} @@ -525,6 +531,7 @@ bimapTyCon tycon arg_eps ------------------- -- bimapArrow :: [EP a a', EP b b'] -> EP (a->b) (a'->b') +bimapArrow :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName) bimapArrow [ep1, ep2] = EP { fromEP = mkHsLam [nlVarPat a_RDR, nlVarPat b_RDR] from_body, toEP = mkHsLam [nlVarPat a_RDR, nlVarPat b_RDR] to_body } @@ -534,6 +541,7 @@ bimapArrow [ep1, ep2] ------------------- -- bimapTuple :: [EP a1 b1, ... EP an bn] -> EP (a1,...an) (b1,..bn) +bimapTuple :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName) bimapTuple eps = EP { fromEP = mkHsLam [noLoc tuple_pat] (noLoc from_body), toEP = mkHsLam [noLoc tuple_pat] (noLoc to_body) } @@ -546,13 +554,17 @@ bimapTuple eps ------------------- -- bimapList :: EP a b -> EP [a] [b] +bimapList :: [EP (LHsExpr RdrName)] -> EP (LHsExpr RdrName) bimapList [ep] = EP { fromEP = nlHsApp (nlHsVar map_RDR) (fromEP ep), toEP = nlHsApp (nlHsVar map_RDR) (toEP ep) } ------------------- -a_RDR = mkVarUnqual FSLIT("a") -b_RDR = mkVarUnqual FSLIT("b") +a_RDR, b_RDR :: RdrName +a_RDR = mkVarUnqual (fsLit "a") +b_RDR = mkVarUnqual (fsLit "b") + +gs_RDR :: [RdrName] gs_RDR = [ mkVarUnqual (mkFastString ("g"++show i)) | i <- [(1::Int) .. ] ] idEP :: EP (LHsExpr RdrName)