import qualified Maybe
import qualified Control.Monad as Monad
import qualified Control.Arrow as Arrow
+import qualified Control.Monad.Trans.State as State
import qualified Data.Traversable as Traversable
import qualified Data.Monoid as Monoid
import Data.Accessor
import TranslatorTypes
import Pretty
-getDesignFiles :: [FuncData] -> [AST.DesignFile]
-getDesignFiles funcs =
- map (AST.DesignFile context) units
+createDesignFiles ::
+ FlatFuncMap
+ -> [(AST.VHDLId, AST.DesignFile)]
+
+createDesignFiles flatfuncmap =
+ -- TODO: Output types
+ map (Arrow.second $ AST.DesignFile context) units
where
- units = filter (not.null) $ map getLibraryUnits funcs
+ init_session = VHDLSession Map.empty Map.empty
+ (units, final_session) =
+ State.runState (createLibraryUnits flatfuncmap) init_session
context = [
AST.Library $ mkVHDLId "IEEE",
AST.Use $ (AST.NSimple $ mkVHDLId "IEEE.std_logic_1164") AST.:.: AST.All]
-
+
+createLibraryUnits ::
+ FlatFuncMap
+ -> VHDLState [(AST.VHDLId, [AST.LibraryUnit])]
+
+createLibraryUnits flatfuncmap = do
+ let hsfuncs = Map.keys flatfuncmap
+ let flatfuncs = Map.elems flatfuncmap
+ entities <- Monad.zipWithM createEntity hsfuncs flatfuncs
+ archs <- Monad.zipWithM createArchitecture hsfuncs flatfuncs
+ return $ zipWith
+ (\ent arch ->
+ let AST.EntityDec id _ = ent in
+ (id, [AST.LUEntity ent, AST.LUArch arch])
+ )
+ entities archs
+
-- | Create an entity for a given function
createEntity ::
- HsFunction -- | The function signature
- -> FuncData -- | The function data collected so far
- -> Maybe Entity -- | The resulting entity. Should return the existing
- --- Entity for builtin functions.
-
-createEntity hsfunc fdata =
- case fdata ^. fdFlatFunc of
- -- Skip (builtin) functions without a FlatFunction
- Nothing -> fdata ^. fdEntity
- -- Create an entity for all other functions
- Just flatfunc ->
+ HsFunction -- | The function signature
+ -> FlatFunction -- | The FlatFunction
+ -> VHDLState AST.EntityDec -- | The resulting entity
+
+createEntity hsfunc flatfunc =
let
sigs = flat_sigs flatfunc
args = flat_args flatfunc
pkg_decl = if null ty_decls && null ty_decls'
then Nothing
else Just $ AST.PackageDec pkg_id (map AST.PDITD $ ty_decls ++ ty_decls')
+ -- TODO: Output package
AST.EntityDec entity_id _ = ent_decl'
- in
- Just $ Entity entity_id args' res' (Just ent_decl') pkg_decl
+ signature = Entity entity_id args' res'
+ in do
+ modA vsSignatures (Map.insert hsfunc signature)
+ return ent_decl'
where
mkMap ::
[(SignalId, SignalInfo)]
-- | Create an architecture for a given function
createArchitecture ::
- FuncMap -- ^ The functions in the current session
- -> HsFunction -- ^ The function signature
- -> FuncData -- ^ The function data collected so far
- -> Maybe AST.ArchBody -- ^ The architecture for this function
-
-createArchitecture funcs hsfunc fdata =
- case fdata ^. fdFlatFunc of
- -- Skip (builtin) functions without a FlatFunction
- Nothing -> fdata ^. fdArch
- -- Create an architecture for all other functions
- Just flatfunc ->
- let
- sigs = flat_sigs flatfunc
- args = flat_args flatfunc
- res = flat_res flatfunc
- defs = flat_defs flatfunc
- entity_id = Maybe.fromMaybe
- (error $ "Building architecture without an entity? This should not happen!")
- (getEntityId fdata)
- -- Create signal declarations for all signals that are not in args and
- -- res
- (ty_decls, sig_decs) = Arrow.second Maybe.catMaybes $ Traversable.traverse (mkSigDec . snd) sigs
- -- TODO: Unique ty_decls
- -- TODO: Store ty_decls somewhere
- -- Create concurrent statements for all signal definitions
- statements = zipWith (mkConcSm funcs sigs) defs [0..]
- procs = map mkStateProcSm (makeStatePairs flatfunc)
- procs' = map AST.CSPSm procs
- in
- Just $ AST.ArchBody (mkVHDLId "structural") (AST.NSimple entity_id) (map AST.BDISD sig_decs) (statements ++ procs')
+ HsFunction -- ^ The function signature
+ -> FlatFunction -- ^ The FlatFunction
+ -> VHDLState AST.ArchBody -- ^ The architecture for this function
+
+createArchitecture hsfunc flatfunc = do
+ signaturemap <- getA vsSignatures
+ let signature = Maybe.fromMaybe
+ (error $ "Generating architecture for function " ++ (prettyShow hsfunc) ++ "without signature? This should not happen!")
+ (Map.lookup hsfunc signaturemap)
+ let entity_id = ent_id signature
+ -- Create concurrent statements for all signal definitions
+ let statements = zipWith (mkConcSm signaturemap sigs) defs [0..]
+ return $ AST.ArchBody (mkVHDLId "structural") (AST.NSimple entity_id) (map AST.BDISD sig_decs) (statements ++ procs')
+ where
+ sigs = flat_sigs flatfunc
+ args = flat_args flatfunc
+ res = flat_res flatfunc
+ defs = flat_defs flatfunc
+ -- Create signal declarations for all internal and state signals
+ (ty_decls, sig_decs) = Arrow.second Maybe.catMaybes $ Traversable.traverse (mkSigDec . snd) sigs
+ -- TODO: Unique ty_decls
+ -- TODO: Store ty_decls somewhere
+ procs = map mkStateProcSm (makeStatePairs flatfunc)
+ procs' = map AST.CSPSm procs
-- | Looks up all pairs of old state, new state signals, together with
-- the state id they represent.
-- | Transforms a signal definition into a VHDL concurrent statement
mkConcSm ::
- FuncMap -- ^ The functions in the current session
+ SignatureMap -- ^ The interfaces of functions in the session
-> [(SignalId, SignalInfo)] -- ^ The signals in the current architecture
-> SigDef -- ^ The signal definition
-> Int -- ^ A number that will be unique for all
-- concurrent statements in the architecture.
-> AST.ConcSm -- ^ The corresponding VHDL component instantiation.
-mkConcSm funcs sigs (FApp hsfunc args res) num =
+mkConcSm signatures sigs (FApp hsfunc args res) num =
let
- fdata_maybe = Map.lookup hsfunc funcs
- fdata = Maybe.fromMaybe
- (error $ "Using function '" ++ (prettyShow hsfunc) ++ "' that is not in the session? This should not happen!")
- fdata_maybe
- entity = Maybe.fromMaybe
- (error $ "Using function '" ++ (prettyShow hsfunc) ++ "' without entity declaration? This should not happen!")
- (fdata ^. fdEntity)
- entity_id = ent_id entity
+ signature = Maybe.fromMaybe
+ (error $ "Using function '" ++ (prettyShow hsfunc) ++ "' without signature? This should not happen!")
+ (Map.lookup hsfunc signatures)
+ entity_id = ent_id signature
label = (AST.fromVHDLId entity_id) ++ "_" ++ (show num)
-- Add a clk port if we have state
clk_port = Maybe.fromJust $ mkAssocElem (Just $ mkVHDLId "clk") "clk"
- portmaps = mkAssocElems sigs args res entity ++ (if hasState hsfunc then [clk_port] else [])
+ portmaps = mkAssocElems sigs args res signature ++ (if hasState hsfunc then [clk_port] else [])
in
AST.CSISm $ AST.CompInsSm (mkVHDLId label) (AST.IUEntity (AST.NSimple entity_id)) (AST.PMapAspect portmaps)
mkAssocElem (Just port) signal = Just $ Just port AST.:=>: (AST.ADName (AST.NSimple (mkVHDLId signal)))
mkAssocElem Nothing _ = Nothing
--- | Extracts the generated entity id from the given funcdata
-getEntityId :: FuncData -> Maybe AST.VHDLId
-getEntityId fdata =
- case fdata ^. fdEntity of
- Nothing -> Nothing
- Just e -> case ent_decl e of
- Nothing -> Nothing
- Just (AST.EntityDec id _) -> Just id
-
-getLibraryUnits ::
- FuncData -- | A function from the session
- -> [AST.LibraryUnit] -- | The entity, architecture and optional package for the function
-
-getLibraryUnits fdata =
- case fdata ^. fdEntity of
- Nothing -> []
- Just ent ->
- case ent_decl ent of
- Nothing -> []
- Just decl ->
- case fdata ^. fdArch of
- Nothing -> []
- Just arch ->
- [AST.LUEntity decl, AST.LUArch arch]
- ++ (Maybe.maybeToList (fmap AST.LUPackageDec $ ent_pkg_decl ent))
-
-- | The VHDL Bit type
bit_ty :: AST.TypeMark
bit_ty = AST.unsafeVHDLBasicId "Bit"
projects / matthijs / master-project / cλash.git / blobdiff