Throw away old and unused functions for state.

diff --git a/cλash/CLasH/VHDL.hs b/cλash/CLasH/VHDL.hs
index 5465df1663b3dcfd619097d14570f109e570be1f..8429a5786810ae52b6b72146722fcd1d44b72462 100644 (file)
--- a/cλash/CLasH/VHDL.hs
+++ b/cλash/CLasH/VHDL.hs
@@ -112,40 +112,3 @@ createLibraryUnit bndr = do
   entity <- getEntity bndr
   (arch, _) <- getArchitecture bndr
   return (ent_id entity, [AST.LUEntity (ent_dec entity), AST.LUArch arch])
-
-{-
--- | Looks up all pairs of old state, new state signals, together with
---   the state id they represent.
-makeStatePairs :: FlatFunction -> [(StateId, SignalInfo, SignalInfo)]
-makeStatePairs flatfunc =
-  [(Maybe.fromJust $ oldStateId $ sigUse old_info, old_info, new_info) 
-    | old_info <- map snd (flat_sigs flatfunc)
-    , new_info <- map snd (flat_sigs flatfunc)
-       -- old_info must be an old state (and, because of the next equality,
-       -- new_info must be a new state).
-       , Maybe.isJust $ oldStateId $ sigUse old_info
-       -- And the state numbers must match
-    , (oldStateId $ sigUse old_info) == (newStateId $ sigUse new_info)]
-
-    -- Replace the second tuple element with the corresponding SignalInfo
-    --args_states = map (Arrow.second $ signalInfo sigs) args
-mkStateProcSm :: (StateId, SignalInfo, SignalInfo) -> AST.ProcSm
-mkStateProcSm (num, old, new) =
-  AST.ProcSm label [clk] [statement]
-  where
-    label       = mkVHDLExtId $ "state_" ++ (show num)
-    clk         = mkVHDLExtId "clk"
-    rising_edge = AST.NSimple $ mkVHDLBasicId "rising_edge"
-    wform       = AST.Wform [AST.WformElem (AST.PrimName $ AST.NSimple $ getSignalId new) Nothing]
-    assign      = AST.SigAssign (AST.NSimple $ getSignalId old) wform
-    rising_edge_clk = AST.PrimFCall $ AST.FCall rising_edge [Nothing AST.:=>: (AST.ADName $ AST.NSimple clk)]
-    statement   = AST.IfSm rising_edge_clk [assign] [] Nothing
-
--- | Creates a VHDL Id from a named SignalInfo. Errors out if the SignalInfo
---   is not named.
-getSignalId :: SignalInfo -> AST.VHDLId
-getSignalId info =
-  mkVHDLExtId $ Maybe.fromMaybe
-    (error $ "Unnamed signal? This should not happen!")
-    (sigName info)
--}