Derive Show for a bunch of types.

[matthijs/master-project/cλash.git] / TranslatorTypes.hs

diff --git a/TranslatorTypes.hs b/TranslatorTypes.hs
index 4ced7de59b5bd5c28a23ebb7a398f322b5251729..d50881600a11b9ec83d8a6ec7b83baa609bc0139 100644 (file)
--- a/TranslatorTypes.hs
+++ b/TranslatorTypes.hs
@@ -5,9 +5,14 @@
 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
 
 
@@ -17,8 +22,10 @@ type FuncMap  = Map.Map HsFunction FuncData
 
 -- | 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
+} deriving (Show)
 
 data VHDLSession = VHDLSession {
   coreMod   :: HscTypes.CoreModule, -- The current module
@@ -28,10 +35,8 @@ 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)
@@ -39,13 +44,60 @@ getFunc hsfunc = do
   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' })
 
+-- | 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
+  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