diff options
Diffstat (limited to 'haddock-api/src/Haddock/Interface/Specialize.hs')
-rw-r--r-- | haddock-api/src/Haddock/Interface/Specialize.hs | 85 |
1 files changed, 42 insertions, 43 deletions
diff --git a/haddock-api/src/Haddock/Interface/Specialize.hs b/haddock-api/src/Haddock/Interface/Specialize.hs index d6466570..ab719fe8 100644 --- a/haddock-api/src/Haddock/Interface/Specialize.hs +++ b/haddock-api/src/Haddock/Interface/Specialize.hs @@ -36,7 +36,7 @@ specialize :: (Eq name, Typeable name) specialize name details = everywhere $ mkT step where - step (HsTyVar name') | name == name' = details + step (HsTyVar (L _ name')) | name == name' = details step typ = typ @@ -54,20 +54,20 @@ specialize' = flip $ foldr (uncurry specialize) -- -- Again, it is just a convenience function around 'specialize'. Note that -- length of type list should be the same as the number of binders. -specializeTyVarBndrs :: (Eq name, Typeable name, DataId name) +specializeTyVarBndrs :: (Eq name, DataId name) => Data a - => LHsTyVarBndrs name -> [HsType name] + => LHsQTyVars name -> [HsType name] -> a -> a specializeTyVarBndrs bndrs typs = specialize' $ zip bndrs' typs where - bndrs' = map (bname . unLoc) . hsq_tvs $ bndrs - bname (UserTyVar name) = name + bndrs' = map (bname . unLoc) . hsq_explicit $ bndrs + bname (UserTyVar (L _ name)) = name bname (KindedTyVar (L _ name) _) = name -specializePseudoFamilyDecl :: (Eq name, Typeable name, DataId name) - => LHsTyVarBndrs name -> [HsType name] +specializePseudoFamilyDecl :: (Eq name, DataId name) + => LHsQTyVars name -> [HsType name] -> PseudoFamilyDecl name -> PseudoFamilyDecl name specializePseudoFamilyDecl bndrs typs decl = @@ -76,21 +76,24 @@ specializePseudoFamilyDecl bndrs typs decl = specializeTyVars = specializeTyVarBndrs bndrs typs -specializeSig :: (Eq name, Typeable name, DataId name, SetName name) - => LHsTyVarBndrs name -> [HsType name] +specializeSig :: forall name . (Eq name, DataId name, SetName name) + => LHsQTyVars name -> [HsType name] -> Sig name -> Sig name -specializeSig bndrs typs (TypeSig lnames (L loc typ) prn) = - TypeSig lnames (L loc typ') prn +specializeSig bndrs typs (TypeSig lnames typ) = + TypeSig lnames (typ { hsib_body = (hsib_body typ) { hswc_body = noLoc typ'}}) where - typ' = rename fv . sugar $ specializeTyVarBndrs bndrs typs typ + true_type :: HsType name + true_type = unLoc (hswc_body (hsib_body typ)) + typ' :: HsType name + typ' = rename fv . sugar $ specializeTyVarBndrs bndrs typs true_type fv = foldr Set.union Set.empty . map freeVariables $ typs specializeSig _ _ sig = sig -- | Make all details of instance head (signatures, associated types) -- specialized to that particular instance type. -specializeInstHead :: (Eq name, Typeable name, DataId name, SetName name) +specializeInstHead :: (Eq name, DataId name, SetName name) => InstHead name -> InstHead name specializeInstHead ihd@InstHead { ihdInstType = clsi@ClassInst { .. }, .. } = ihd { ihdInstType = instType' } @@ -120,7 +123,7 @@ sugar = sugarLists :: NamedThing name => HsType name -> HsType name -sugarLists (HsAppTy (L _ (HsTyVar name)) ltyp) +sugarLists (HsAppTy (L _ (HsTyVar (L _ name))) ltyp) | isBuiltInSyntax name' && strName == "[]" = HsListTy ltyp where name' = getName name @@ -134,7 +137,7 @@ sugarTuples typ = where aux apps (HsAppTy (L _ ftyp) atyp) = aux (atyp:apps) ftyp aux apps (HsParTy (L _ typ')) = aux apps typ' - aux apps (HsTyVar name) + aux apps (HsTyVar (L _ name)) | isBuiltInSyntax name' && suitable = HsTupleTy HsBoxedTuple apps where name' = getName name @@ -146,8 +149,8 @@ sugarTuples typ = sugarOperators :: NamedThing name => HsType name -> HsType name -sugarOperators (HsAppTy (L _ (HsAppTy (L loc (HsTyVar name)) la)) lb) - | isSymOcc $ getOccName name' = mkHsOpTy la (L loc name) lb +sugarOperators (HsAppTy (L _ (HsAppTy (L _ (HsTyVar (L l name))) la)) lb) + | isSymOcc $ getOccName name' = mkHsOpTy la (L l name) lb | isBuiltInSyntax name' && getOccString name == "(->)" = HsFunTy la lb where name' = getName name @@ -219,13 +222,13 @@ freeVariables = everythingWithState Set.empty Set.union query where query term ctx = case cast term :: Maybe (HsType name) of - Just (HsForAllTy _ _ bndrs _ _) -> + Just (HsForAllTy bndrs _) -> (Set.empty, Set.union ctx (bndrsNames bndrs)) - Just (HsTyVar name) + Just (HsTyVar (L _ name)) | getName name `Set.member` ctx -> (Set.empty, ctx) | otherwise -> (Set.singleton $ getNameRep name, ctx) _ -> (Set.empty, ctx) - bndrsNames = Set.fromList . map (getName . tyVarName . unLoc) . hsq_tvs + bndrsNames = Set.fromList . map (getName . tyVarName . unLoc) -- | Make given type visually unambiguous. @@ -256,26 +259,26 @@ data RenameEnv name = RenameEnv renameType :: SetName name => HsType name -> Rename name (HsType name) -renameType (HsForAllTy ex mspan lbndrs lctx lt) = rebind lbndrs $ \lbndrs' -> +renameType (HsForAllTy bndrs lt) = rebind bndrs $ \bndrs' -> HsForAllTy - <$> pure ex - <*> pure mspan - <*> pure lbndrs' - <*> located renameContext lctx + <$> pure bndrs' <*> renameLType lt -renameType (HsTyVar name) = HsTyVar <$> renameName name +renameType (HsQualTy lctxt lt) = + HsQualTy + <$> located renameContext lctxt + <*> renameLType lt +renameType (HsTyVar name) = HsTyVar <$> located renameName name renameType (HsAppTy lf la) = HsAppTy <$> renameLType lf <*> renameLType la renameType (HsFunTy la lr) = HsFunTy <$> renameLType la <*> renameLType lr renameType (HsListTy lt) = HsListTy <$> renameLType lt renameType (HsPArrTy lt) = HsPArrTy <$> renameLType lt renameType (HsTupleTy srt lt) = HsTupleTy srt <$> mapM renameLType lt renameType (HsOpTy la lop lb) = - HsOpTy <$> renameLType la <*> renameLTyOp lop <*> renameLType lb + HsOpTy <$> renameLType la <*> located renameName lop <*> renameLType lb renameType (HsParTy lt) = HsParTy <$> renameLType lt renameType (HsIParamTy ip lt) = HsIParamTy ip <$> renameLType lt renameType (HsEqTy la lb) = HsEqTy <$> renameLType la <*> renameLType lb renameType (HsKindSig lt lk) = HsKindSig <$> renameLType lt <*> pure lk -renameType t@(HsQuasiQuoteTy _) = pure t renameType t@(HsSpliceTy _ _) = pure t renameType (HsDocTy lt doc) = HsDocTy <$> renameLType lt <*> pure doc renameType (HsBangTy bang lt) = HsBangTy bang <$> renameLType lt @@ -286,9 +289,8 @@ renameType (HsExplicitListTy ph ltys) = renameType (HsExplicitTupleTy phs ltys) = HsExplicitTupleTy phs <$> renameLTypes ltys renameType t@(HsTyLit _) = pure t -renameType (HsWrapTy wrap t) = HsWrapTy wrap <$> renameType t -renameType HsWildcardTy = pure HsWildcardTy -renameType (HsNamedWildcardTy name) = HsNamedWildcardTy <$> renameName name +renameType (HsWildCardTy wc) = pure (HsWildCardTy wc) +renameType (HsAppsTy _) = error "HsAppsTy: Only used before renaming" renameLType :: SetName name => LHsType name -> Rename name (LHsType name) @@ -302,21 +304,20 @@ renameLTypes = mapM renameLType renameContext :: SetName name => HsContext name -> Rename name (HsContext name) renameContext = renameLTypes - +{- renameLTyOp :: SetName name => LHsTyOp name -> Rename name (LHsTyOp name) renameLTyOp (wrap, lname) = (,) wrap <$> located renameName lname +-} renameName :: SetName name => name -> Rename name name renameName name = do RenameEnv { rneCtx = ctx } <- ask - pure $ case Map.lookup (getName name) ctx of - Just name' -> name' - Nothing -> name + pure $ fromMaybe name (Map.lookup (getName name) ctx) rebind :: SetName name - => LHsTyVarBndrs name -> (LHsTyVarBndrs name -> Rename name a) + => [LHsTyVarBndr name] -> ([LHsTyVarBndr name] -> Rename name a) -> Rename name a rebind lbndrs action = do (lbndrs', env') <- runState (rebindLTyVarBndrs lbndrs) <$> ask @@ -324,16 +325,14 @@ rebind lbndrs action = do rebindLTyVarBndrs :: SetName name - => LHsTyVarBndrs name -> Rebind name (LHsTyVarBndrs name) -rebindLTyVarBndrs lbndrs = do - tys' <- mapM (located rebindTyVarBndr) $ hsq_tvs lbndrs - pure $ lbndrs { hsq_tvs = tys' } + => [LHsTyVarBndr name] -> Rebind name [LHsTyVarBndr name] +rebindLTyVarBndrs lbndrs = mapM (located rebindTyVarBndr) lbndrs rebindTyVarBndr :: SetName name => HsTyVarBndr name -> Rebind name (HsTyVarBndr name) -rebindTyVarBndr (UserTyVar name) = - UserTyVar <$> rebindName name +rebindTyVarBndr (UserTyVar (L l name)) = + UserTyVar . L l <$> rebindName name rebindTyVarBndr (KindedTyVar name kinds) = KindedTyVar <$> located rebindName name <*> pure kinds @@ -403,5 +402,5 @@ located f (L loc e) = L loc <$> f e tyVarName :: HsTyVarBndr name -> name -tyVarName (UserTyVar name) = name +tyVarName (UserTyVar name) = unLoc name tyVarName (KindedTyVar (L _ name) _) = name |