X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=FlattenTypes.hs;h=b7be4645d89e1df519487192268d48d4ab6e978c;hb=db63e913f56b427533d29327b25a14b6b75b6d79;hp=f75b0d51e64ae9f476627e1d6477062660b1cd5b;hpb=c0fa1614f8bb0126868658fad79b01df447e113a;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/FlattenTypes.hs b/FlattenTypes.hs
index f75b0d5..b7be464 100644
--- a/FlattenTypes.hs
+++ b/FlattenTypes.hs
@@ -96,6 +96,12 @@ data SigDef =
     defDst :: SignalId
   } deriving (Show, Eq)
 
+-- | Is the given SigDef a FApp?
+is_FApp :: SigDef -> Bool
+is_FApp d = case d of  
+  (FApp _ _ _) -> True
+  _ -> False
+
 -- | An expression on signals
 data SignalExpr = 
   EqLit SignalId String -- ^ Is the given signal equal to the given (VHDL) literal
@@ -193,8 +199,12 @@ addNameHint :: String -> SignalId -> FlattenState ()
 addNameHint hint id = do
   info <- getSignalInfo id
   let hints = nameHints info
-  let hints' = (hint:hints)
-  setSignalInfo id (info {nameHints = hints'})
+  if hint `elem` hints
+    then do
+      return ()
+    else do
+      let hints' = (hint:hints)
+      setSignalInfo id (info {nameHints = hints'})
 
 -- | Returns the SignalInfo for the given signal. Errors if the signal is not
 --   known in the session.