module TranslatorTypes where
import qualified Control.Monad.State as State
+import qualified HscTypes
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 = [(HsFunction, FuncData)]
+-- | Some stuff we collect about a function along the way.
+type FuncData = (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
+-- | Add the function to the session
addFunc :: HsFunction -> FlatFunction -> VHDLState ()
addFunc hsfunc flatfunc = do
fs <- State.gets funcs -- Get the funcs element from the session
State.modify (\x -> x {funcs = (hsfunc, flatfunc) : fs }) -- Prepend name and f
+-- | 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
+ return $ lookup hsfunc fs
+
+getModule :: VHDLState HscTypes.CoreModule
+getModule = State.gets coreMod -- Get the coreMod element from the session
+
type VHDLState = State.State VHDLSession
-- Makes the given name unique by appending a unique number.
State.modify (\s -> s {nameCount = count + 1})
return $ name ++ "_" ++ (show count)
+-- vim: set ts=8 sw=2 sts=2 expandtab: