module TranslatorTypes where
import qualified Control.Monad.State as State
-import qualified HscTypes
import qualified Data.Map as Map
+
+import qualified HscTypes
+
+import qualified ForSyDe.Backend.VHDL.AST as AST
+
import FlattenTypes
+import VHDLTypes
import HsValueMap
-- | Some stuff we collect about a function along the way.
data FuncData = FuncData {
- flatFunc :: Maybe FlatFunction
+ flatFunc :: Maybe FlatFunction,
+ funcEntity :: Maybe Entity,
+ funcArch :: Maybe AST.ArchBody
}
data VHDLSession = VHDLSession {
-- | Add the function to the session
addFunc :: HsFunction -> VHDLState ()
-addFunc hsfunc = do
- fs <- State.gets funcs -- Get the funcs element from the session
- let fs' = Map.insert hsfunc (FuncData Nothing) fs -- Insert function
- State.modify (\x -> x {funcs = fs' })
+addFunc hsfunc =
+ modFuncMap (Map.insert hsfunc (FuncData Nothing Nothing Nothing))
-- | Find the given function in the current session
getFunc :: HsFunction -> VHDLState (Maybe FuncData)
fs <- State.gets funcs -- Get the funcs element from the session
return $ Map.lookup hsfunc fs
--- | Sets the FlatFunction for the given HsFunction in the given setting.
+-- | Gets all functions from the current session
+getFuncs :: VHDLState [(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 = 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 hsfunc flatfunc = do
+setFlatFunc hsfunc flatfunc =
+ modFunc (\d -> d { flatFunc = Just flatfunc }) hsfunc
+
+-- | Sets the Entity for the given HsFunction in the current session.
+setEntity :: HsFunction -> Entity -> VHDLState ()
+setEntity hsfunc entity =
+ modFunc (\d -> d { funcEntity = Just entity }) hsfunc
+
+-- | Sets the Entity for the given HsFunction in the current session.
+setArchitecture :: HsFunction -> AST.ArchBody -> VHDLState ()
+setArchitecture hsfunc arch =
+ modFunc (\d -> d { funcArch = Just arch }) hsfunc
+
+-- | Modify a function in the map using the given function
+modFunc :: (FuncData -> FuncData) -> HsFunction -> VHDLState ()
+modFunc f hsfunc =
+ modFuncMap (Map.adjust f hsfunc)
+
+-- | Modify the function map in the session using the given function
+modFuncMap :: (FuncMap -> FuncMap) -> VHDLState ()
+modFuncMap f = do
fs <- State.gets funcs -- Get the funcs element from the session
- let fs'= Map.adjust (\d -> d { flatFunc = Just flatfunc }) hsfunc fs
+ let fs' = f fs
State.modify (\x -> x {funcs = fs' })
--- | Modify all functions in the map using the given function
-modFuncs :: (HsFunction -> FuncData -> FuncData) -> VHDLState ()
+-- | 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 f = do
- fs <- State.gets funcs -- Get the funcs element from the session
- let fs' = Map.mapWithKey f fs
- State.modify (\x -> x {funcs = fs' })
+ hsfuncs <- getHsFuncs
+ mapM doFunc hsfuncs
+ return ()
+ where
+ doFunc hsfunc = do
+ fdata_maybe <- getFunc hsfunc
+ case fdata_maybe of
+ Nothing -> do return ()
+ Just fdata -> f hsfunc fdata
getModule :: VHDLState HscTypes.CoreModule
getModule = State.gets coreMod -- Get the coreMod element from the session