X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=VHDLTools.hs;fp=VHDLTools.hs;h=d560a7472bfada0303841dc0184312446109fe94;hb=c8034ff49822eb6e0e0696f288e20e49a1b9af6e;hp=5deaf45effbf579d6b5ce03f782c93e8b1c16712;hpb=3b0ce3044e2c62906a4b26cd7e1b004fea88c21e;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/VHDLTools.hs b/VHDLTools.hs index 5deaf45..d560a74 100644 --- a/VHDLTools.hs +++ b/VHDLTools.hs @@ -277,12 +277,13 @@ vhdl_ty msg ty = do vhdl_ty_either :: Type.Type -> TypeSession (Either String AST.TypeMark) vhdl_ty_either ty = do typemap <- getA vsTypes + htype <- mkHType ty let builtin_ty = do -- See if this is a tycon and lookup its name (tycon, args) <- Type.splitTyConApp_maybe ty let name = Name.getOccString (TyCon.tyConName tycon) Map.lookup name builtin_types -- If not a builtin type, try the custom types - let existing_ty = (fmap fst) $ Map.lookup (OrdType ty) typemap + let existing_ty = (fmap fst) $ Map.lookup htype typemap case Monoid.getFirst $ Monoid.mconcat (map Monoid.First [builtin_ty, existing_ty]) of -- Found a type, return it Just t -> return (Right t) @@ -292,7 +293,7 @@ vhdl_ty_either ty = do case newty_maybe of Right (ty_id, ty_def) -> do -- TODO: Check name uniqueness - modA vsTypes (Map.insert (OrdType ty) (ty_id, ty_def)) + modA vsTypes (Map.insert htype (ty_id, ty_def)) modA vsTypeDecls (\typedefs -> typedefs ++ [mktydecl (ty_id, ty_def)]) return (Right ty_id) Left err -> return $ Left $ @@ -374,7 +375,7 @@ mk_vector_ty ty = do Right el_ty_tm -> do let ty_id = mkVHDLExtId $ "vector-"++ (AST.fromVHDLId el_ty_tm) ++ "-0_to_" ++ (show len) let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len - 1))] - let existing_elem_ty = (fmap fst) $ Map.lookup (OrdType vec_ty) types_map + let existing_elem_ty = (fmap fst) $ Map.lookup (StdType $ OrdType vec_ty) types_map case existing_elem_ty of Just t -> do let ty_def = AST.SubtypeIn t (Just range) @@ -382,7 +383,7 @@ mk_vector_ty ty = do Nothing -> do let vec_id = mkVHDLExtId $ "vector_" ++ (AST.fromVHDLId el_ty_tm) let vec_def = AST.TDA $ AST.UnconsArrayDef [tfvec_indexTM] el_ty_tm - modA vsTypes (Map.insert (OrdType vec_ty) (vec_id, (Left vec_def))) + modA vsTypes (Map.insert (StdType $ OrdType vec_ty) (vec_id, (Left vec_def))) modA vsTypeDecls (\typedefs -> typedefs ++ [mktydecl (vec_id, (Left vec_def))]) let ty_def = AST.SubtypeIn vec_id (Just range) return (Right (ty_id, Right ty_def)) @@ -411,10 +412,49 @@ getFieldLabels ty = do vhdl_ty error_msg ty -- Get the types map, lookup and unpack the VHDL TypeDef types <- getA vsTypes - case Map.lookup (OrdType ty) types of + htype <- mkHType ty + case Map.lookup htype types of Just (_, Left (AST.TDR (AST.RecordTypeDef elems))) -> return $ map (\(AST.ElementDec id _) -> id) elems _ -> error $ "\nVHDL.getFieldLabels: Type not found or not a record type? This should not happen! Type: " ++ (show ty) mktydecl :: (AST.VHDLId, Either AST.TypeDef AST.SubtypeIn) -> AST.PackageDecItem mktydecl (ty_id, Left ty_def) = AST.PDITD $ AST.TypeDec ty_id ty_def mktydecl (ty_id, Right ty_def) = AST.PDISD $ AST.SubtypeDec ty_id ty_def + +mkHType :: Type.Type -> TypeSession HType +mkHType ty = do + -- FIXME: Do we really need to do this here again? + let builtin_ty = do -- See if this is a tycon and lookup its name + (tycon, args) <- Type.splitTyConApp_maybe ty + let name = Name.getOccString (TyCon.tyConName tycon) + Map.lookup name builtin_types + case builtin_ty of + Just typ -> + return $ BuiltinType $ prettyShow typ + Nothing -> + case Type.splitTyConApp_maybe ty of + Just (tycon, args) -> do + let name = Name.getOccString (TyCon.tyConName tycon) + case name of + "TFVec" -> do + elem_htype <- mkHType (tfvec_elem ty) + return $ VecType (tfvec_len ty) elem_htype + otherwise -> do + mkTyConHType tycon args + Nothing -> return $ StdType $ OrdType ty + +-- FIXME: Do we really need to do this here again? +mkTyConHType :: TyCon.TyCon -> [Type.Type] -> TypeSession HType +mkTyConHType tycon args = + case TyCon.tyConDataCons tycon of + -- Not an algebraic type + [] -> error $ "\nVHDLTools.mkHType: Only custom algebraic types are supported: " ++ pprString tycon + [dc] -> do + let arg_tys = DataCon.dataConRepArgTys dc + let real_arg_tys = map (CoreSubst.substTy subst) arg_tys + elem_htys <- mapM mkHType real_arg_tys + return $ ADTType (nameToString (TyCon.tyConName tycon)) elem_htys + dcs -> error $ "\nVHDLTools.mkHType: Only single constructor datatypes supported: " ++ pprString tycon + where + tyvars = TyCon.tyConTyVars tycon + subst = CoreSubst.extendTvSubstList CoreSubst.emptySubst (zip tyvars args)