let existing_ty = Monad.liftM (fmap fst) $ Map.lookup htype typemap
case existing_ty of
Just ty -> do
- let lit = idToVHDLExpr $ mkVHDLExtId $ Name.getOccString dcname
+ let lit = AST.PrimLit $ show $ getConstructorIndex htype $ Name.getOccString dcname
return lit
Nothing -> error $ "\nVHDLTools.dataconToVHDLExpr: Trying to make value for non-representable DataCon: " ++ pprString dc
-- Error when constructing htype
varToVHDLId ::
CoreSyn.CoreBndr
-> AST.VHDLId
-varToVHDLId var = mkVHDLExtId (varToString var ++ varToStringUniq var ++ show (lowers $ varToStringUniq var))
- where
- lowers :: String -> Int
- lowers xs = length [x | x <- xs, Char.isLower x]
+varToVHDLId var = mkVHDLExtId $ varToUniqString var
-- Creates a VHDL Name from a binder
varToVHDLName ::
-> String
varToString = OccName.occNameString . Name.nameOccName . Var.varName
+varToUniqString ::
+ CoreSyn.CoreBndr
+ -> String
+varToUniqString var = (varToString var ++ varToStringUniq var ++ show (lowers $ varToStringUniq var))
+ where
+ lowers :: String -> Int
+ lowers xs = length [x | x <- xs, Char.isLower x]
+
-- Get the string version a Var's unique
varToStringUniq :: Var.Var -> String
varToStringUniq = show . Var.varUnique
-- basic ids.
-- Use extended Ids for any values that are taken from the source file.
mkVHDLExtId :: String -> AST.VHDLId
-mkVHDLExtId s =
- AST.unsafeVHDLExtId $ strip_invalid s
+mkVHDLExtId s =
+ (AST.unsafeVHDLBasicId . zEncodeString . strip_multiscore . strip_leading . strip_invalid) s
where
-- Allowed characters, taken from ForSyde's mkVHDLExtId
allowed = ['A'..'Z'] ++ ['a'..'z'] ++ ['0'..'9'] ++ " \"#&'()*+,./:;<=>_|!$%@?[]^`{}~-"
strip_invalid = filter (`elem` allowed)
+ strip_leading = dropWhile (`elem` ['0'..'9'] ++ "_")
+ strip_multiscore = concatMap (\cs ->
+ case cs of
+ ('_':_) -> "_"
+ _ -> cs
+ ) . List.group
-- Create a record field selector that selects the given label from the record
-- stored in the given binder.
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
case TyCon.tyConDataCons tycon of
-- Not an algebraic type
[] -> return $ Left $ "VHDLTools.mkTyConHType: 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
- let real_arg_tys_nostate = filter (\x -> not (isStateType x)) real_arg_tys
- elem_htys_either <- mapM mkHTypeEither real_arg_tys_nostate
- case Either.partitionEithers elem_htys_either of
- ([], [elem_hty]) ->
- return $ Right elem_hty
- -- No errors in element types
- ([], elem_htys) ->
- return $ Right $ AggrType (nameToString (TyCon.tyConName tycon)) elem_htys
- -- There were errors in element types
- (errors, _) -> return $ Left $
- "\nVHDLTools.mkTyConHType: Can not construct type for: " ++ pprString tycon ++ "\n because no type can be construced for some of the arguments.\n"
- ++ (concat errors)
dcs -> do
- let arg_tys = concatMap DataCon.dataConRepArgTys dcs
- let real_arg_tys = map (CoreSubst.substTy subst) arg_tys
- case real_arg_tys of
- [] ->
- return $ Right $ EnumType (nameToString (TyCon.tyConName tycon)) (map (nameToString . DataCon.dataConName) dcs)
- xs -> return $ Left $
- "VHDLTools.mkTyConHType: Only enum-like constructor datatypes supported: " ++ pprString dcs ++ "\n"
+ let arg_tyss = map DataCon.dataConRepArgTys dcs
+ let enum_ty = EnumType name (map (nameToString . DataCon.dataConName) dcs)
+ case (concat arg_tyss) of
+ -- No arguments, this is just an enumeration type
+ [] -> return (Right enum_ty)
+ -- At least one argument, this becomes an aggregate type
+ _ -> do
+ -- Resolve any type arguments to this type
+ let real_arg_tyss = map (map (CoreSubst.substTy subst)) arg_tyss
+ -- Remove any state type fields
+ let real_arg_tyss_nostate = map (filter (\x -> not (isStateType x))) real_arg_tyss
+ elem_htyss_either <- mapM (mapM mkHTypeEither) real_arg_tyss_nostate
+ let (errors, elem_htyss) = unzip (map Either.partitionEithers elem_htyss_either)
+ case (all null errors) of
+ True -> case (dcs, concat elem_htyss) of
+ -- A single constructor with a single (non-state) field?
+ ([dc], [elem_hty]) -> return $ Right elem_hty
+ -- If we get here, then all of the argument types were state
+ -- types (we check for enumeration types at the top). Not
+ -- sure how to handle this, so error out for now.
+ (_, []) -> error $ "ADT with only State elements (or something like that?) Dunno how to handle this yet. Tycon: " ++ pprString tycon ++ " Arguments: " ++ pprString args
+ -- A full ADT (with multiple fields and one or multiple
+ -- constructors).
+ (_, elem_htys) -> do
+ let (_, fieldss) = List.mapAccumL (List.mapAccumL label_field) labels elem_htyss
+ -- Only put in an enumeration as part of the aggregation
+ -- when there are multiple datacons
+ let enum_ty_part = case dcs of
+ [dc] -> Nothing
+ _ -> Just ("constructor", enum_ty)
+ -- Create the AggrType HType
+ return $ Right $ AggrType name enum_ty_part fieldss
+ -- There were errors in element types
+ False -> return $ Left $
+ "\nVHDLTools.mkTyConHType: Can not construct type for: " ++ pprString tycon ++ "\n because no type can be construced for some of the arguments.\n"
+ ++ (concat $ concat errors)
where
+ name = (nameToString (TyCon.tyConName tycon))
tyvars = TyCon.tyConTyVars tycon
subst = CoreSubst.extendTvSubstList CoreSubst.emptySubst (zip tyvars args)
+ -- Label a field by taking the first available label and returning
+ -- the rest.
+ label_field :: [String] -> HType -> ([String], (String, HType))
+ label_field (l:ls) htype = (ls, (l, htype))
+ labels = map (:[]) ['A'..'Z']
--- Translate a Haskell type to a VHDL type, generating a new type if needed.
--- Returns an error value, using the given message, when no type could be
--- created. Returns Nothing when the type is valid, but empty.
vhdlTy :: (TypedThing t, Outputable.Outputable t) =>
String -> t -> TypeSession (Maybe AST.TypeMark)
vhdlTy msg ty = do
htype <- mkHType msg ty
vhdlTyMaybe htype
+-- | Translate a Haskell type to a VHDL type, generating a new type if needed.
+-- Returns an error value, using the given message, when no type could be
+-- created. Returns Nothing when the type is valid, but empty.
vhdlTyMaybe :: HType -> TypeSession (Maybe AST.TypeMark)
vhdlTyMaybe htype = do
typemap <- MonadState.get tsTypes
mkTyconTy :: HType -> TypeSession TypeMapRec
mkTyconTy htype =
case htype of
- (AggrType tycon args) -> do
- elemTysMaybe <- mapM vhdlTyMaybe args
- case Maybe.catMaybes elemTysMaybe of
- [] -> -- No non-empty members
+ (AggrType name enum_field_maybe fieldss) -> do
+ let (labelss, elem_htypess) = unzip (map unzip fieldss)
+ elemTyMaybess <- mapM (mapM vhdlTyMaybe) elem_htypess
+ let elem_tyss = map Maybe.catMaybes elemTyMaybess
+ case concat elem_tyss of
+ [] -> -- No non-empty fields
return Nothing
- elem_tys -> do
- let elems = zipWith AST.ElementDec recordlabels elem_tys
- let elem_names = concatMap prettyShow elem_tys
- let ty_id = mkVHDLExtId $ tycon ++ elem_names
- let ty_def = AST.TDR $ AST.RecordTypeDef elems
- let tupshow = mkTupleShow elem_tys ty_id
- MonadState.modify tsTypeFuns $ Map.insert (htype, showIdString) (showId, tupshow)
+ _ -> do
+ let reclabelss = map (map mkVHDLBasicId) labelss
+ let elemss = zipWith (zipWith AST.ElementDec) reclabelss elem_tyss
+ let elem_names = concatMap (concatMap prettyShow) elem_tyss
+ let ty_id = mkVHDLExtId $ name ++ elem_names
+ -- Find out if we need to add an extra field at the start of
+ -- the record type containing the constructor (only needed
+ -- when there's more than one constructor).
+ enum_ty_maybe <- case enum_field_maybe of
+ Nothing -> return Nothing
+ Just (_, enum_htype) -> do
+ enum_ty_maybe' <- vhdlTyMaybe enum_htype
+ case enum_ty_maybe' of
+ Nothing -> error $ "Couldn't translate enumeration type part of AggrType: " ++ show htype
+ -- Note that the first Just means the type is
+ -- translateable, while the second Just means that there
+ -- is a enum_ty at all (e.g., there's multiple
+ -- constructors).
+ Just enum_ty -> return $ Just enum_ty
+ -- Create an record field declaration for the first
+ -- constructor field, if needed.
+ enum_dec_maybe <- case enum_field_maybe of
+ Nothing -> return $ Nothing
+ Just (enum_name, enum_htype) -> do
+ enum_vhdl_ty_maybe <- vhdlTyMaybe enum_htype
+ let enum_vhdl_ty = Maybe.fromMaybe (error $ "\nVHDLTools.mkTyconTy: Enumeration field should not have empty type: " ++ show enum_htype) enum_vhdl_ty_maybe
+ return $ Just $ AST.ElementDec (mkVHDLBasicId enum_name) enum_vhdl_ty
+ -- Turn the maybe into a list, so we can prepend it.
+ let enum_decs = Maybe.maybeToList enum_dec_maybe
+ let enum_tys = Maybe.maybeToList enum_ty_maybe
+ let ty_def = AST.TDR $ AST.RecordTypeDef (enum_decs ++ concat elemss)
+ let aggrshow = case enum_field_maybe of
+ Nothing -> mkTupleShow (enum_tys ++ concat elem_tyss) ty_id
+ Just (conLbl, EnumType tycon dcs) -> mkAdtShow conLbl dcs (map (map fst) fieldss) ty_id
+ MonadState.modify tsTypeFuns $ Map.insert (htype, showIdString) (showId, aggrshow)
return $ Just (ty_id, Just $ Left ty_def)
(EnumType tycon dcs) -> do
- let elems = map mkVHDLExtId dcs
let ty_id = mkVHDLExtId tycon
- let ty_def = AST.TDE $ AST.EnumTypeDef elems
- let enumShow = mkEnumShow elems ty_id
+ let range = AST.SubTypeRange (AST.PrimLit "0") (AST.PrimLit $ show ((length dcs) - 1))
+ let ty_def = AST.TDI $ AST.IntegerTypeDef range
+ let enumShow = mkEnumShow dcs ty_id
MonadState.modify tsTypeFuns $ Map.insert (htype, showIdString) (showId, enumShow)
return $ Just (ty_id, Just $ Left ty_def)
otherwise -> error $ "\nVHDLTools.mkTyconTy: Called for HType that is neiter a AggrType or EnumType: " ++ show htype
- where
- -- Generate a bunch of labels for fields of a record
- recordlabels = map (\c -> mkVHDLBasicId [c]) ['A'..'Z']
-- | Create a VHDL vector type
mkVectorTy ::
mkNaturalTy min_bound max_bound = do
let bitsize = floor (logBase 2 (fromInteger (toInteger max_bound)))
let ty_id = mkVHDLExtId $ "natural_" ++ (show min_bound) ++ "_to_" ++ (show max_bound)
- let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit $ show min_bound) (AST.PrimLit $ show bitsize)]
+ let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.DownRange (AST.PrimLit $ show bitsize) (AST.PrimLit $ show min_bound)]
let ty_def = AST.SubtypeIn unsignedTM (Just range)
return (Just (ty_id, Just $ Right ty_def))
Int -- ^ Haskell type of the unsigned integer
-> TypeSession TypeMapRec
mkUnsignedTy size = do
- let ty_id = mkVHDLExtId $ "unsigned_" ++ show (size - 1)
- let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (size - 1))]
+ let ty_id = mkVHDLExtId $ "unsigned_" ++ show size
+ let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.DownRange (AST.PrimLit $ show (size - 1)) (AST.PrimLit "0")]
let ty_def = AST.SubtypeIn unsignedTM (Just range)
return (Just (ty_id, Just $ Right ty_def))
Int -- ^ Haskell type of the signed integer
-> TypeSession TypeMapRec
mkSignedTy size = do
- let ty_id = mkVHDLExtId $ "signed_" ++ show (size - 1)
- let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (size - 1))]
+ let ty_id = mkVHDLExtId $ "signed_" ++ show size
+ let range = AST.ConstraintIndex $ AST.IndexConstraint [AST.DownRange (AST.PrimLit $ show (size - 1)) (AST.PrimLit "0")]
let ty_def = AST.SubtypeIn signedTM (Just range)
return (Just (ty_id, Just $ Right ty_def))
--- Finds the field labels for VHDL type generated for the given Core type,
--- which must result in a record type.
-getFieldLabels :: Type.Type -> TypeSession [AST.VHDLId]
-getFieldLabels ty = do
- -- Ensure that the type is generated (but throw away it's VHDLId)
- let error_msg = "\nVHDLTools.getFieldLabels: Can not get field labels, because: " ++ pprString ty ++ "can not be generated."
- vhdlTy error_msg ty
- -- Get the types map, lookup and unpack the VHDL TypeDef
- types <- MonadState.get tsTypes
- -- Assume the type for which we want labels is really translatable
- htype <- mkHType error_msg ty
- case Map.lookup htype types of
- 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
- 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)
-
+-- Finds the field labels and types for aggregation HType. Returns an
+-- error on other types.
+getFields ::
+ HType -- ^ The HType to get fields for
+ -> Int -- ^ The constructor to get fields for (e.g., 0
+ -- for the first constructor, etc.)
+ -> [(String, HType)] -- ^ A list of fields, with their name and type
+getFields htype dc_i = case htype of
+ (AggrType name _ fieldss)
+ | dc_i >= 0 && dc_i < length fieldss -> fieldss!!dc_i
+ | otherwise -> error $ "VHDLTool.getFields: Invalid constructor index: " ++ (show dc_i) ++ ". No such constructor in HType: " ++ (show htype)
+ _ -> error $ "VHDLTool.getFields: Can't get fields from non-aggregate HType: " ++ show htype
+
+-- Finds the field labels for an aggregation type, as VHDLIds.
+getFieldLabels ::
+ HType -- ^ The HType to get field labels for
+ -> Int -- ^ The constructor to get fields for (e.g., 0
+ -- for the first constructor, etc.)
+ -> [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
+
+
+getConstructorIndex ::
+ HType ->
+ String ->
+ Int
+getConstructorIndex (EnumType etype cons) dc = case List.elemIndex dc cons of
+ Just (index) -> index
+ Nothing -> error $ "VHDLTools.getConstructor: constructor: " ++ show dc ++ " is not part of type: " ++ show etype ++ ", which only has constructors: " ++ show cons
+getConstructorIndex htype _ = error $ "Can't get constructor index for non-Enum type: " ++ 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
mkTupleShow elemTMs tupleTM = AST.SubProgBody showSpec [] [showExpr]
where
tupPar = AST.unsafeVHDLBasicId "tup"
- showSpec = AST.Function showId [AST.IfaceVarDec tupPar tupleTM] stringTM
+ parenPar = AST.unsafeVHDLBasicId "paren"
+ showSpec = AST.Function showId [AST.IfaceVarDec tupPar tupleTM, AST.IfaceVarDec parenPar booleanTM] stringTM
showExpr = AST.ReturnSm (Just $
AST.PrimLit "'('" AST.:&: showMiddle AST.:&: AST.PrimLit "')'")
where
AST.PrimLit "''"
else
foldr1 (\e1 e2 -> e1 AST.:&: AST.PrimLit "','" AST.:&: e2) $
- map ((genExprFCall showId).
- AST.PrimName .
- AST.NSelected .
- (AST.NSimple tupPar AST.:.:).
- tupVHDLSuffix)
+ map ((genExprFCall2 showId) . (\x -> (selectedName tupPar x, AST.PrimLit "false")))
(take tupSize recordlabels)
recordlabels = map (\c -> mkVHDLBasicId [c]) ['A'..'Z']
tupSize = length elemTMs
+ selectedName par = (AST.PrimName . AST.NSelected . (AST.NSimple par AST.:.:) . tupVHDLSuffix)
+mkAdtShow ::
+ String
+ -> [String] -- Constructors
+ -> [[String]] -- Fields for every constructor
+ -> AST.TypeMark
+ -> AST.SubProgBody
+mkAdtShow conLbl conIds elemIdss adtTM = AST.SubProgBody showSpec [] [showExpr]
+ where
+ adtPar = AST.unsafeVHDLBasicId "adt"
+ parenPar = AST.unsafeVHDLBasicId "paren"
+ showSpec = AST.Function showId [AST.IfaceVarDec adtPar adtTM, AST.IfaceVarDec parenPar booleanTM] stringTM
+ showExpr = AST.CaseSm ((selectedName adtPar) (mkVHDLBasicId conLbl))
+ [AST.CaseSmAlt [AST.ChoiceE $ AST.PrimLit $ show x] (
+ if (null (elemIdss!!x)) then
+ [AST.ReturnSm (Just $ ((genExprFCall2 showId) . (\x -> (selectedName adtPar x, AST.PrimLit "false")) $ mkVHDLBasicId conLbl) AST.:&: showFields x)]
+ else
+ [addParens (((genExprFCall2 showId) . (\x -> (selectedName adtPar x, AST.PrimLit "false")) $ mkVHDLBasicId conLbl) AST.:&: showFields x)]
+ ) | x <- [0..(length conIds) -1]]
+ showFields i = if (null (elemIdss!!i)) then
+ AST.PrimLit "\"\""
+ else
+ foldr1 (\e1 e2 -> e1 AST.:&: e2) $
+ map ((AST.PrimLit "' '" AST.:&:) . (genExprFCall2 showId) . (\x -> (selectedName adtPar x, AST.PrimLit "true")))
+ (map mkVHDLBasicId (elemIdss!!i))
+ selectedName par = (AST.PrimName . AST.NSelected . (AST.NSimple par AST.:.:) . tupVHDLSuffix)
+ addParens :: AST.Expr -> AST.SeqSm
+ addParens k = AST.IfSm (AST.PrimName (AST.NSimple parenPar))
+ [AST.ReturnSm (Just (AST.PrimLit "'('" AST.:&: k AST.:&: AST.PrimLit "')'" ))]
+ []
+ (Just $ AST.Else [AST.ReturnSm (Just k)])
+
mkEnumShow ::
- [AST.VHDLId]
+ [String]
-> AST.TypeMark
-> AST.SubProgBody
mkEnumShow elemIds enumTM = AST.SubProgBody showSpec [] [showExpr]
- where
- enumPar = AST.unsafeVHDLBasicId "enum"
- showSpec = AST.Function showId [AST.IfaceVarDec enumPar enumTM] stringTM
- showExpr = AST.ReturnSm (Just $
- AST.PrimLit (show $ tail $ init $ AST.fromVHDLId enumTM))
+ where
+ enumPar = AST.unsafeVHDLBasicId "enum"
+ parenPar = AST.unsafeVHDLBasicId "paren"
+ showSpec = AST.Function showId [AST.IfaceVarDec enumPar enumTM, AST.IfaceVarDec parenPar booleanTM] stringTM
+ showExpr = AST.CaseSm (AST.PrimName $ AST.NSimple enumPar)
+ [AST.CaseSmAlt [AST.ChoiceE $ AST.PrimLit $ show x] [AST.ReturnSm (Just $ AST.PrimLit $ '"':(elemIds!!x)++['"'])] | x <- [0..(length elemIds) -1]]
+
mkVectorShow ::
AST.TypeMark -- ^ elemtype
where
vecPar = AST.unsafeVHDLBasicId "vec"
resId = AST.unsafeVHDLBasicId "res"
+ parenPar = AST.unsafeVHDLBasicId "paren"
headSpec = AST.Function (mkVHDLExtId headId) [AST.IfaceVarDec vecPar vectorTM] elemTM
-- return vec(0);
headExpr = AST.ReturnSm (Just (AST.PrimName $ AST.NIndexed (AST.IndexedName
AST.AttribName (AST.NSimple vecPar) (AST.NSimple $ mkVHDLBasicId lengthId) Nothing)
AST.:-: AST.PrimLit "1"))
tailRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
- showSpec = AST.Function showId [AST.IfaceVarDec vecPar vectorTM] stringTM
- doShowId = AST.unsafeVHDLExtId "doshow"
+ showSpec = AST.Function showId [AST.IfaceVarDec vecPar vectorTM, AST.IfaceVarDec parenPar booleanTM] stringTM
+ doShowId = AST.unsafeVHDLBasicId "doshow"
doShowDef = AST.SubProgBody doShowSpec [] [doShowRet]
where doShowSpec = AST.Function doShowId [AST.IfaceVarDec vecPar vectorTM]
stringTM
[AST.ReturnSm (Just $ AST.PrimLit "\"\"")],
AST.CaseSmAlt [AST.ChoiceE $ AST.PrimLit "1"]
[AST.ReturnSm (Just $
- genExprFCall showId
- (genExprFCall (mkVHDLExtId headId) (AST.PrimName $ AST.NSimple vecPar)) )],
+ genExprFCall2 showId
+ (genExprFCall (mkVHDLExtId headId) (AST.PrimName $ AST.NSimple vecPar),AST.PrimLit "false") )],
AST.CaseSmAlt [AST.Others]
[AST.ReturnSm (Just $
- genExprFCall showId
- (genExprFCall (mkVHDLExtId headId) (AST.PrimName $ AST.NSimple vecPar)) AST.:&:
+ genExprFCall2 showId
+ (genExprFCall (mkVHDLExtId headId) (AST.PrimName $ AST.NSimple vecPar), AST.PrimLit "false") AST.:&:
AST.PrimLit "','" AST.:&:
genExprFCall doShowId
(genExprFCall (mkVHDLExtId tailId) (AST.PrimName $ AST.NSimple vecPar)) ) ]]
boolPar = AST.unsafeVHDLBasicId "b"
signedPar = AST.unsafeVHDLBasicId "sint"
unsignedPar = AST.unsafeVHDLBasicId "uint"
+ parenPar = AST.unsafeVHDLBasicId "paren"
-- naturalPar = AST.unsafeVHDLBasicId "nat"
- showBitSpec = AST.Function showId [AST.IfaceVarDec bitPar std_logicTM] stringTM
+ showBitSpec = AST.Function showId [AST.IfaceVarDec bitPar std_logicTM, AST.IfaceVarDec parenPar booleanTM] stringTM
-- if s = '1' then return "'1'" else return "'0'"
showBitExpr = AST.IfSm (AST.PrimName (AST.NSimple bitPar) AST.:=: AST.PrimLit "'1'")
[AST.ReturnSm (Just $ AST.PrimLit "\"High\"")]
[]
(Just $ AST.Else [AST.ReturnSm (Just $ AST.PrimLit "\"Low\"")])
- showBoolSpec = AST.Function showId [AST.IfaceVarDec boolPar booleanTM] stringTM
+ showBoolSpec = AST.Function showId [AST.IfaceVarDec boolPar booleanTM, AST.IfaceVarDec parenPar booleanTM] stringTM
-- if b then return "True" else return "False"
showBoolExpr = AST.IfSm (AST.PrimName (AST.NSimple boolPar))
[AST.ReturnSm (Just $ AST.PrimLit "\"True\"")]
[]
(Just $ AST.Else [AST.ReturnSm (Just $ AST.PrimLit "\"False\"")])
- showSingedSpec = AST.Function showId [AST.IfaceVarDec signedPar signedTM] stringTM
+ showSingedSpec = AST.Function showId [AST.IfaceVarDec signedPar signedTM, AST.IfaceVarDec parenPar booleanTM] stringTM
showSignedExpr = AST.ReturnSm (Just $
AST.PrimName $ AST.NAttribute $ AST.AttribName (AST.NSimple integerId)
(AST.NIndexed $ AST.IndexedName (AST.NSimple imageId) [signToInt]) Nothing )
where
signToInt = genExprFCall (mkVHDLBasicId toIntegerId) (AST.PrimName $ AST.NSimple signedPar)
- showUnsignedSpec = AST.Function showId [AST.IfaceVarDec unsignedPar unsignedTM] stringTM
+ showUnsignedSpec = AST.Function showId [AST.IfaceVarDec unsignedPar unsignedTM, AST.IfaceVarDec parenPar booleanTM] stringTM
showUnsignedExpr = AST.ReturnSm (Just $
AST.PrimName $ AST.NAttribute $ AST.AttribName (AST.NSimple integerId)
(AST.NIndexed $ AST.IndexedName (AST.NSimple imageId) [unsignToInt]) Nothing )
AST.PrimFCall $ AST.FCall (AST.NSimple fName) $
map (\exp -> Nothing AST.:=>: AST.ADExpr exp) [args]
+genExprFCall2 :: AST.VHDLId -> (AST.Expr, AST.Expr) -> AST.Expr
+genExprFCall2 fName (arg1, arg2) =
+ AST.PrimFCall $ AST.FCall (AST.NSimple fName) $
+ map (\exp -> Nothing AST.:=>: AST.ADExpr exp) [arg1,arg2]
+
genExprPCall2 :: AST.VHDLId -> AST.Expr -> AST.Expr -> AST.SeqSm
genExprPCall2 entid arg1 arg2 =
AST.ProcCall (AST.NSimple entid) $
projects / matthijs / master-project / cλash.git / blobdiff