X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=TranslatorTypes.hs;h=37e86190a63f36b1b38acf1c75b193cda7fbdb44;hb=998e440a7fa765685e1ed500c871058a33129b1f;hp=cad096bff8c692ec03437ff4e6fe4e7b6818d1b0;hpb=4fb701e41729143a897d43cd8a9c0217b8b3f68a;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/TranslatorTypes.hs b/TranslatorTypes.hs index cad096b..37e8619 100644 --- a/TranslatorTypes.hs +++ b/TranslatorTypes.hs @@ -2,68 +2,36 @@ -- Simple module providing some types used by Translator. These are in a -- separate module to prevent circular dependencies in Pretty for example. -- +{-# LANGUAGE TemplateHaskell #-} module TranslatorTypes where -import qualified Control.Monad.State as State -import qualified HscTypes +import qualified Control.Monad.Trans.State as State import qualified Data.Map as Map +import qualified Data.Accessor.Template +import Data.Accessor + +import qualified HscTypes + +import qualified ForSyDe.Backend.VHDL.AST as AST + import FlattenTypes +import VHDLTypes import HsValueMap -- | A map from a HsFunction identifier to various stuff we collect about a -- function along the way. -type FuncMap = Map.Map HsFunction FuncData - --- | A signal that has been assigned a (unique) name -data NamedSignal = NamedSignal String - --- | A function in which all signals have been assigned unique names -type NamedFlatFunction = FlatFunction' NamedSignal +type FlatFuncMap = Map.Map HsFunction FlatFunction --- | Some stuff we collect about a function along the way. -data FuncData = FuncData { - flatFunc :: Maybe (Either FlatFunction NamedFlatFunction) +data TranslatorSession = TranslatorSession { + tsCoreModule_ :: HscTypes.CoreModule, -- ^ The current module + tsNameCount_ :: Int, -- ^ A counter that can be used to generate unique names + tsFlatFuncs_ :: FlatFuncMap -- ^ A map from HsFunction to 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 -} - --- | 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' }) - --- | 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 $ Map.lookup hsfunc fs - --- | Sets the FlatFunction for the given HsFunction in the given setting. -setFlatFunc :: HsFunction -> (Either FlatFunction NamedFlatFunction) -> VHDLState () -setFlatFunc hsfunc flatfunc = do - fs <- State.gets funcs -- Get the funcs element from the session - let fs'= Map.adjust (\d -> d { flatFunc = Just flatfunc }) hsfunc fs - State.modify (\x -> x {funcs = fs' }) - -getModule :: VHDLState HscTypes.CoreModule -getModule = State.gets coreMod -- Get the coreMod element from the session - -type VHDLState = State.State VHDLSession +-- Derive accessors +$( Data.Accessor.Template.deriveAccessors ''TranslatorSession ) --- Makes the given name unique by appending a unique number. --- This does not do any checking against existing names, so it only guarantees --- uniqueness with other names generated by uniqueName. -uniqueName :: String -> VHDLState String -uniqueName name = do - count <- State.gets nameCount -- Get the funcs element from the session - State.modify (\s -> s {nameCount = count + 1}) - return $ name ++ "_" ++ (show count) +type TranslatorState = State.State TranslatorSession -- vim: set ts=8 sw=2 sts=2 expandtab: