processBind ::
Bool -- ^ Should this be stateful function?
-> CoreBind -- ^ The bind to process
- -> VHDLState ()
+ -> TranslatorState ()
processBind _ (Rec _) = error "Recursive binders not supported"
processBind stateful bind@(NonRec var expr) = do
flattenBind ::
HsFunction -- The signature to flatten into
-> CoreBind -- The bind to flatten
- -> VHDLState ()
+ -> TranslatorState ()
flattenBind _ (Rec _) = error "Recursive binders not supported"
-- (recursively) do the same for any functions used.
resolvFunc ::
HsFunction -- | The function to look for
- -> VHDLState ()
+ -> TranslatorState ()
resolvFunc hsfunc = do
-- See if the function is already known
-- | Translate a concise representation of a builtin function to something
-- that can be put into FuncMap directly.
-addBuiltIn :: BuiltIn -> VHDLState ()
+addBuiltIn :: BuiltIn -> TranslatorState ()
addBuiltIn (BuiltIn name args res) = do
addFunc hsfunc
setEntity hsfunc entity
-- Derive accessors
$( Data.Accessor.Template.deriveAccessors ''FuncData )
-data VHDLSession = VHDLSession {
+data TranslatorSession = VHDLSession {
coreMod :: HscTypes.CoreModule, -- The current module
nameCount :: Int, -- A counter that can be used to generate unique names
funcs :: FuncMap -- A map from HsFunction to FlatFunction, HWFunction, VHDL Entity and Architecture
}
+type TranslatorState = State.State TranslatorSession
+
-- | Add the function to the session
-addFunc :: HsFunction -> VHDLState ()
+addFunc :: HsFunction -> TranslatorState ()
addFunc hsfunc =
modFuncMap (Map.insert hsfunc (FuncData Nothing Nothing Nothing))
-- | Find the given function in the current session
-getFunc :: HsFunction -> VHDLState (Maybe FuncData)
+getFunc :: HsFunction -> TranslatorState (Maybe FuncData)
getFunc hsfunc = do
fs <- State.gets funcs -- Get the funcs element from the session
return $ Map.lookup hsfunc fs
-- | Gets all functions from the current session
-getFuncs :: VHDLState [(HsFunction, FuncData)]
+getFuncs :: TranslatorState [(HsFunction, FuncData)]
getFuncs = do
fs <- State.gets funcs -- Get the funcs element from the session
return $ Map.toList fs
-- | Gets all the functions from the current session
-getHsFuncs :: VHDLState [HsFunction]
+getHsFuncs :: TranslatorState [HsFunction]
getHsFuncs = do
fs <- State.gets funcs -- Get the funcs element from the session
return $ Map.keys fs
-- | Sets the FlatFunction for the given HsFunction in the current session.
-setFlatFunc :: HsFunction -> FlatFunction -> VHDLState ()
+setFlatFunc :: HsFunction -> FlatFunction -> TranslatorState ()
setFlatFunc hsfunc flatfunc =
modFunc (fdFlatFunc ^= Just flatfunc) hsfunc
-- | Sets the Entity for the given HsFunction in the current session.
-setEntity :: HsFunction -> Entity -> VHDLState ()
+setEntity :: HsFunction -> Entity -> TranslatorState ()
setEntity hsfunc entity =
modFunc (fdEntity ^= Just entity) hsfunc
-- | Sets the Entity for the given HsFunction in the current session.
-setArchitecture :: HsFunction -> AST.ArchBody -> VHDLState ()
+setArchitecture :: HsFunction -> AST.ArchBody -> TranslatorState ()
setArchitecture hsfunc arch =
modFunc (fdArch ^= Just arch) hsfunc
-- | Modify a function in the map using the given function
-modFunc :: (FuncData -> FuncData) -> HsFunction -> VHDLState ()
+modFunc :: (FuncData -> FuncData) -> HsFunction -> TranslatorState ()
modFunc f hsfunc =
modFuncMap (Map.adjust f hsfunc)
-- | Get the map of functions in the session
-getFuncMap :: VHDLState FuncMap
+getFuncMap :: TranslatorState FuncMap
getFuncMap = State.gets funcs
-- | Modify the function map in the session using the given function
-modFuncMap :: (FuncMap -> FuncMap) -> VHDLState ()
+modFuncMap :: (FuncMap -> FuncMap) -> TranslatorState ()
modFuncMap f = do
fs <- State.gets funcs -- Get the funcs element from the session
let fs' = f fs
-- | Apply the given function to all functions in the map, and collect the
-- results. The function is allowed to change the function map in the
-- session, but any new functions added will not be mapped.
-modFuncs :: (HsFunction -> FuncData -> VHDLState ()) -> VHDLState ()
+modFuncs :: (HsFunction -> FuncData -> TranslatorState ()) -> TranslatorState ()
modFuncs f = do
hsfuncs <- getHsFuncs
mapM doFunc hsfuncs
Nothing -> do return ()
Just fdata -> f hsfunc fdata
-getModule :: VHDLState HscTypes.CoreModule
+getModule :: TranslatorState HscTypes.CoreModule
getModule = State.gets coreMod -- Get the coreMod element from the session
-type VHDLState = State.State VHDLSession
-
-- Makes the given name unique by appending a unique number.
-- This does not do any checking against existing names, so it only guarantees
-- uniqueness with other names generated by uniqueName.
-uniqueName :: String -> VHDLState String
+uniqueName :: String -> TranslatorState String
uniqueName name = do
count <- State.gets nameCount -- Get the funcs element from the session
State.modify (\s -> s {nameCount = count + 1})