Left _ -> False
Right _ -> True
+-- | Turn a Core type into a HType, returning an error using the given
+-- error string if the type was not representable.
mkHType :: (TypedThing t, Outputable.Outputable t) =>
String -> t -> TypeSession HType
mkHType msg ty = do
Right htype -> return htype
Left err -> error $ msg ++ err
+-- | Turn a Core type into a HType. Returns either an error message if
+-- the type was not representable, or the HType generated.
mkHTypeEither :: (TypedThing t, Outputable.Outputable t) =>
t -> TypeSession (Either String HType)
mkHTypeEither tything =
mapM_ (\(id, subprog) -> MonadState.modify tsTypeFuns $ Map.insert (UVecType elHType, id) ((mkVHDLExtId id), subprog)) vecShowFuns
let ty_def = AST.SubtypeIn vec_id (Just range)
return (Just (ty_id, Just $ Right ty_def))
+ -- Vector of empty elements becomes empty itself.
Nothing -> return Nothing
mkVectorTy htype = error $ "\nVHDLTools.mkVectorTy: Called for HType that is not a VecType: " ++ show htype
-- Assume the type for which we want labels is really translatable
htype <- mkHType error_msg ty
case Map.lookup htype types of
- Just (Just (_, Just (Left (AST.TDR (AST.RecordTypeDef elems))))) -> return $ map (\(AST.ElementDec id _) -> id) elems
+ Nothing -> error $ "\nVHDLTools.getFieldLabels: Type not found? This should not happen!\nLooking for type: " ++ (pprString ty) ++ "\nhtype: " ++ (show htype)
Just Nothing -> return [] -- The type is empty
- _ -> error $ "\nVHDL.getFieldLabels: Type not found or not a record type? This should not happen! Type: " ++ (show htype)
+ Just (Just (_, Just (Left (AST.TDR (AST.RecordTypeDef elems))))) -> return $ map (\(AST.ElementDec id _) -> id) elems
+ Just (Just (_, Just vty)) -> error $ "\nVHDLTools.getFieldLabels: Type not a record type? This should not happen!\nLooking for type: " ++ pprString (ty) ++ "\nhtype: " ++ (show htype) ++ "\nFound type: " ++ (show vty)
mktydecl :: (AST.VHDLId, Maybe (Either AST.TypeDef AST.SubtypeIn)) -> Maybe AST.PackageDecItem
mytydecl (_, Nothing) = Nothing