-main =
- do
- defaultErrorHandler defaultDynFlags $ do
- runGhc (Just libdir) $ do
- dflags <- getSessionDynFlags
- setSessionDynFlags dflags
- --target <- guessTarget "adder.hs" Nothing
- --liftIO (print (showSDoc (ppr (target))))
- --liftIO $ printTarget target
- --setTargets [target]
- --load LoadAllTargets
- --core <- GHC.compileToCoreSimplified "Adders.hs"
- core <- GHC.compileToCoreSimplified "Adders.hs"
- liftIO $ printBinds (cm_binds core)
- let bind = findBind "half_adder" (cm_binds core)
- let NonRec var expr = bind
- let sess = VHDLSession 0 builtin_funcs
- liftIO $ putStr $ showSDoc $ ppr expr
- liftIO $ putStr "\n\n"
- liftIO $ putStr $ render $ ForSyDe.Backend.Ppr.ppr $ getArchitecture sess bind
- return expr
-
-printTarget (Target (TargetFile file (Just x)) obj Nothing) =
- print $ show file
-
-printBinds [] = putStr "done\n\n"
-printBinds (b:bs) = do
- printBind b
- putStr "\n"
- printBinds bs
-
-printBind (NonRec b expr) = do
- putStr "NonRec: "
- printBind' (b, expr)
-
-printBind (Rec binds) = do
- putStr "Rec: \n"
- foldl1 (>>) (map printBind' binds)
-
-printBind' (b, expr) = do
- putStr $ getOccString b
- --putStr $ showSDoc $ ppr expr
- putStr "\n"
-
-findBind :: String -> [CoreBind] -> CoreBind
-findBind lookfor =
- -- This ignores Recs and compares the name of the bind with lookfor,
- -- disregarding any namespaces in OccName and extra attributes in Name and
- -- Var.
- Maybe.fromJust . find (\b -> case b of
- Rec l -> False
- NonRec var _ -> lookfor == (occNameString $ nameOccName $ getName var)
- )
-
--- Accepts a port name and an argument to map to it.
--- Returns the appropriate line for in the port map
-getPortMapEntry binds (Port portname) (Var id) =
- (Just (AST.unsafeVHDLBasicId portname)) AST.:=>: (AST.ADName (AST.NSimple (AST.unsafeVHDLBasicId signalname)))
- where
- Port signalname = Maybe.fromMaybe
- (error $ "Argument " ++ getOccString id ++ "is unknown")
- (lookup id binds)
-
-getPortMapEntry binds _ a = error $ "Unsupported argument: " ++ (showSDoc $ ppr a)
-
-getInstantiations ::
- VHDLSession
- -> PortNameMap -- The arguments that need to be applied to the
- -- expression. Should always be the Args
- -- constructor.
- -> PortNameMap -- The output ports that the expression should generate.
- -> [(CoreBndr, PortNameMap)] -- A list of bindings in effect
- -> CoreSyn.CoreExpr -- The expression to generate an architecture for
- -> [AST.ConcSm] -- The resulting VHDL code
-
--- A lambda expression binds the first argument (a) to the binder b.
-getInstantiations sess (Args (a:as)) outs binds (Lam b expr) =
- getInstantiations sess (Args as) outs ((b, a):binds) expr