return $ Right $ SizedIType len
"Index" -> do
bound <- tfp_to_int (ranged_word_bound_ty ty)
- return $ Right $ RangedWType bound
+ -- Upperbound is exclusive, hence the -1
+ return $ Right $ RangedWType (bound - 1)
otherwise ->
mkTyConHType tycon args
Nothing -> return $ Left $ "\nVHDLTools.mkHTypeEither': Do not know what to do with type: " ++ pprString ty
-> [AST.VHDLId] -- ^ The labels
getFieldLabels htype dc_i = ((map mkVHDLBasicId) . (map fst)) (getFields htype dc_i)
+-- Finds the field label for the constructor field, if any.
+getConstructorFieldLabel ::
+ HType
+ -> Maybe AST.VHDLId
+getConstructorFieldLabel (AggrType _ (Just con) _) =
+ Just $ mkVHDLBasicId (fst con)
+getConstructorFieldLabel (AggrType _ Nothing _) =
+ Nothing
+getConstructorFieldLabel htype =
+ error $ "Can't get constructor field label from non-aggregate HType: " ++ show htype
+
mktydecl :: (AST.VHDLId, Maybe (Either AST.TypeDef AST.SubtypeIn)) -> Maybe AST.PackageDecItem
mytydecl (_, Nothing) = Nothing
mktydecl (ty_id, Just (Left ty_def)) = Just $ AST.PDITD $ AST.TypeDec ty_id ty_def