module Translator where
import qualified Directory
import qualified List
+import Debug.Trace
+import qualified Control.Arrow as Arrow
import GHC hiding (loadModule, sigName)
import CoreSyn
import qualified CoreUtils
import Outputable ( showSDoc, ppr )
import GHC.Paths ( libdir )
import DynFlags ( defaultDynFlags )
+import qualified UniqSupply
import List ( find )
import qualified List
import qualified Monad
import TranslatorTypes
import HsValueMap
import Pretty
+import Normalize
import Flatten
import FlattenTypes
import VHDLTypes
listBind :: String -> String -> IO ()
listBind filename name = do
core <- loadModule filename
- let [bind] = findBinds core [name]
+ let [(b, expr)] = findBinds core [name]
putStr "\n"
- putStr $ prettyShow bind
+ putStr $ prettyShow expr
putStr "\n\n"
- putStr $ showSDoc $ ppr bind
+ putStr $ showSDoc $ ppr expr
+ putStr "\n\n"
+ putStr $ showSDoc $ ppr $ CoreUtils.exprType expr
putStr "\n\n"
- case bind of
- NonRec b expr -> do
- putStr $ showSDoc $ ppr $ CoreUtils.exprType expr
- putStr "\n\n"
- otherwise -> return ()
-- | Translate the binds with the given names from the given core module to
-- VHDL. The Bool in the tuple makes the function stateful (True) or
moduleToVHDL :: HscTypes.CoreModule -> [(String, Bool)] -> IO [(AST.VHDLId, AST.DesignFile)]
moduleToVHDL core list = do
let (names, statefuls) = unzip list
- --liftIO $ putStr $ prettyShow (cm_binds core)
let binds = findBinds core names
- --putStr $ prettyShow binds
+ -- Generate a UniqSupply
+ -- Running
+ -- egrep -r "(initTcRnIf|mkSplitUniqSupply)" .
+ -- on the compiler dir of ghc suggests that 'z' is not used to generate a
+ -- unique supply anywhere.
+ uniqSupply <- UniqSupply.mkSplitUniqSupply 'z'
-- Turn bind into VHDL
- let (vhdl, sess) = State.runState (mkVHDL binds statefuls) (TranslatorSession core 0 Map.empty)
+ let (vhdl, sess) = State.runState (mkVHDL uniqSupply binds statefuls) (TranslatorSession core 0 Map.empty)
mapM (putStr . render . ForSyDe.Backend.Ppr.ppr . snd) vhdl
putStr $ "\n\nFinal session:\n" ++ prettyShow sess ++ "\n\n"
return vhdl
where
-- Turns the given bind into VHDL
- mkVHDL :: [CoreBind] -> [Bool] -> TranslatorState [(AST.VHDLId, AST.DesignFile)]
- mkVHDL binds statefuls = do
+ mkVHDL :: UniqSupply.UniqSupply -> [(CoreBndr, CoreExpr)] -> [Bool] -> TranslatorState [(AST.VHDLId, AST.DesignFile)]
+ mkVHDL uniqSupply binds statefuls = do
+ let binds'' = map (Arrow.second $ normalize uniqSupply) binds
+ let binds' = trace ("Before:\n\n" ++ showSDoc ( ppr binds ) ++ "\n\nAfter:\n\n" ++ showSDoc ( ppr binds'')) binds''
-- Add the builtin functions
--mapM addBuiltIn builtin_funcs
-- Create entities and architectures for them
- Monad.zipWithM processBind statefuls binds
- modA tsFlatFuncs (Map.map nameFlatFunction)
- flatfuncs <- getA tsFlatFuncs
- return $ VHDL.createDesignFiles flatfuncs
+ --Monad.zipWithM processBind statefuls binds
+ --modA tsFlatFuncs (Map.map nameFlatFunction)
+ --flatfuncs <- getA tsFlatFuncs
+ return $ VHDL.createDesignFiles binds'
-- | Write the given design file to a file with the given name inside the
-- given dir
--setTargets [target]
--load LoadAllTargets
--core <- GHC.compileToCoreSimplified "Adders.hs"
- core <- GHC.compileToCoreSimplified filename
+ core <- GHC.compileToCoreModule filename
return core
-- | Extracts the named binds from the given module.
-findBinds :: HscTypes.CoreModule -> [String] -> [CoreBind]
-findBinds core names = Maybe.mapMaybe (findBind (cm_binds core)) names
+findBinds :: HscTypes.CoreModule -> [String] -> [(CoreBndr, CoreExpr)]
+findBinds core names = Maybe.mapMaybe (findBind (CoreSyn.flattenBinds $ cm_binds core)) names
-- | Extract a named bind from the given list of binds
-findBind :: [CoreBind] -> String -> Maybe CoreBind
+findBind :: [(CoreBndr, CoreExpr)] -> String -> Maybe (CoreBndr, CoreExpr)
findBind binds 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.
- find (\b -> case b of
- Rec l -> False
- NonRec var _ -> lookfor == (occNameString $ nameOccName $ getName var)
- ) binds
+ find (\(var, _) -> lookfor == (occNameString $ nameOccName $ getName var)) binds
-- | Processes the given bind as a top level bind.
processBind ::
Bool -- ^ Should this be stateful function?
- -> CoreBind -- ^ The bind to process
+ -> (CoreBndr, CoreExpr) -- ^ The bind to process
-> TranslatorState ()
-processBind _ (Rec _) = error "Recursive binders not supported"
-processBind stateful bind@(NonRec var expr) = do
+processBind stateful bind@(var, expr) = do
-- Create the function signature
let ty = CoreUtils.exprType expr
let hsfunc = mkHsFunction var ty stateful
-- with them.
flattenBind ::
HsFunction -- The signature to flatten into
- -> CoreBind -- The bind to flatten
+ -> (CoreBndr, CoreExpr) -- The bind to flatten
-> TranslatorState ()
-flattenBind _ (Rec _) = error "Recursive binders not supported"
-
-flattenBind hsfunc bind@(NonRec var expr) = do
+flattenBind hsfunc bind@(var, expr) = do
-- Flatten the function
let flatfunc = flattenFunction hsfunc bind
-- Propagate state variables
-- Don't do anything if there is already a flat function for this hsfunc or
-- when it is a builtin function.
Monad.unless (Map.member hsfunc flatfuncmap) $ do
- Monad.unless (elem hsfunc VHDL.builtin_hsfuncs) $ do
+ -- Not working with new builtins -- Monad.unless (elem hsfunc VHDL.builtin_hsfuncs) $ do
-- New function, resolve it
core <- getA tsCoreModule
-- Find the named function
let name = (hsFuncName hsfunc)
- let bind = findBind (cm_binds core) name
+ let bind = findBind (CoreSyn.flattenBinds $ cm_binds core) name
case bind of
Nothing -> error $ "Couldn't find function " ++ name ++ " in current module."
Just b -> flattenBind hsfunc b