X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=TranslatorTypes.hs;h=60d12ebb0c53fd387dd1772861dea48567918cb2;hb=214ca86120b26ebc5c478b56107e52b894e46b34;hp=733e65938bf84c20470de758e657be345e0fd990;hpb=8325780f83f31cc3520029912d0797704d058d7e;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/TranslatorTypes.hs b/TranslatorTypes.hs
index 733e659..60d12eb 100644
--- a/TranslatorTypes.hs
+++ b/TranslatorTypes.hs
@@ -5,21 +5,38 @@
 module TranslatorTypes where
 
 import qualified Control.Monad.State as State
+import qualified HscTypes
+import qualified Data.Map as Map
 import Flatten
 
-type FuncMap = [(HsFunction, 
-    (FlatFunction))]
+
+-- | A map from a HsFunction identifier to various stuff we collect about a
+--   function along the way.
+type FuncMap  = Map.Map HsFunction FuncData
+-- | Some stuff we collect about a function along the way.
+type FuncData = (Maybe FlatFunction)
 
 data VHDLSession = 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
-} deriving (Show)
+}
+
+-- | 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 (Nothing) fs -- Insert function
+  State.modify (\x -> x {funcs = fs' })
 
--- Add the function to the session
-addFunc :: HsFunction -> FlatFunction -> VHDLState ()
-addFunc hsfunc flatfunc = do
+-- | Find the given function in the current session
+getFunc :: HsFunction -> VHDLState (Maybe FuncData)
+getFunc hsfunc = do
   fs <- State.gets funcs -- Get the funcs element from the session
-  State.modify (\x -> x {funcs = (hsfunc, flatfunc) : fs }) -- Prepend name and f
+  return $ Map.lookup hsfunc fs
+
+getModule :: VHDLState HscTypes.CoreModule
+getModule = State.gets coreMod -- Get the coreMod element from the session
 
 type VHDLState = State.State VHDLSession
 
@@ -32,3 +49,4 @@ uniqueName name = do
   State.modify (\s -> s {nameCount = count + 1})
   return $ name ++ "_" ++ (show count)
 
+-- vim: set ts=8 sw=2 sts=2 expandtab: