X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=Generate.hs;h=35909e14546483d7cb2de4a2710086ef5801bd38;hb=30414e977c5c4ba3c16441a281601c7c68f0fb6e;hp=692d912e7d48c4aa8db982f211c6155131991236;hpb=65c54e15c4ef306305eca6f41b19731a6a1f6b9e;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/Generate.hs b/Generate.hs index 692d912..35909e1 100644 --- a/Generate.hs +++ b/Generate.hs @@ -2,109 +2,335 @@ module Generate where -- Standard modules import qualified Control.Monad as Monad +import qualified Data.Map as Map import qualified Maybe +import qualified Data.Either as Either +import Data.Accessor +import Debug.Trace -- ForSyDe import qualified ForSyDe.Backend.VHDL.AST as AST -- GHC API import CoreSyn +import Type import qualified Var +import qualified IdInfo -- Local imports import Constants import VHDLTypes import VHDLTools import CoreTools +import Pretty + +----------------------------------------------------------------------------- +-- Functions to generate VHDL for builtin functions +----------------------------------------------------------------------------- + +-- | A function to wrap a builder-like function that expects its arguments to +-- be expressions. +genExprArgs :: + (dst -> func -> [AST.Expr] -> res) + -> (dst -> func -> [Either CoreSyn.CoreExpr AST.Expr] -> res) +genExprArgs wrap dst func args = wrap dst func args' + where args' = map (either (varToVHDLExpr.exprToVar) id) args + +-- | A function to wrap a builder-like function that expects its arguments to +-- be variables. +genVarArgs :: + (dst -> func -> [Var.Var] -> res) + -> (dst -> func -> [Either CoreSyn.CoreExpr AST.Expr] -> res) +genVarArgs wrap dst func args = wrap dst func args' + where + args' = map exprToVar exprargs + -- Check (rather crudely) that all arguments are CoreExprs + (exprargs, []) = Either.partitionEithers args + +-- | A function to wrap a builder-like function that produces an expression +-- and expects it to be assigned to the destination. +genExprRes :: + ((Either CoreSyn.CoreBndr AST.VHDLName) -> func -> [arg] -> VHDLSession AST.Expr) + -> ((Either CoreSyn.CoreBndr AST.VHDLName) -> func -> [arg] -> VHDLSession [AST.ConcSm]) +genExprRes wrap dst func args = do + expr <- wrap dst func args + return $ [mkUncondAssign dst expr] -- | Generate a binary operator application. The first argument should be a -- constructor from the AST.Expr type, e.g. AST.And. -genExprOp2 :: (AST.Expr -> AST.Expr -> AST.Expr) -> [AST.Expr] -> AST.Expr -genExprOp2 op [arg1, arg2] = op arg1 arg2 +genOperator2 :: (AST.Expr -> AST.Expr -> AST.Expr) -> BuiltinBuilder +genOperator2 op = genExprArgs $ genExprRes (genOperator2' op) +genOperator2' :: (AST.Expr -> AST.Expr -> AST.Expr) -> dst -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr +genOperator2' op _ f [arg1, arg2] = return $ op arg1 arg2 -- | Generate a unary operator application -genExprOp1 :: (AST.Expr -> AST.Expr) -> [AST.Expr] -> AST.Expr -genExprOp1 op [arg] = op arg +genOperator1 :: (AST.Expr -> AST.Expr) -> BuiltinBuilder +genOperator1 op = genExprArgs $ genExprRes (genOperator1' op) +genOperator1' :: (AST.Expr -> AST.Expr) -> dst -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr +genOperator1' op _ f [arg] = return $ op arg --- | Generate a function call from the Function Name and a list of expressions --- (its arguments) -genExprFCall :: AST.VHDLId -> [AST.Expr] -> AST.Expr -genExprFCall fName args = - AST.PrimFCall $ AST.FCall (AST.NSimple fName) $ +-- | Generate a function call from the destination binder, function name and a +-- list of expressions (its arguments) +genFCall :: BuiltinBuilder +genFCall = genExprArgs $ genExprRes genFCall' +genFCall' :: Either CoreSyn.CoreBndr AST.VHDLName -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr +genFCall' (Left res) f args = do + let fname = varToString f + let el_ty = (tfvec_elem . Var.varType) res + id <- vectorFunId el_ty fname + return $ AST.PrimFCall $ AST.FCall (AST.NSimple id) $ map (\exp -> Nothing AST.:=>: AST.ADExpr exp) args +genFCall' (Right name) _ _ = error $ "Cannot generate builtin function call assigned to a VHDLName: " ++ show name -- | Generate a generate statement for the builtin function "map" -genMapCall :: - Entity -- | The entity to map - -> [CoreSyn.CoreBndr] -- | The vectors - -> AST.GenerateSm -- | The resulting generate statement -genMapCall entity [arg, res] = genSm - where +genMap :: BuiltinBuilder +genMap = genVarArgs genMap' +genMap' (Left res) f [mapped_f, arg] = do + signatures <- getA vsSignatures + let entity = Maybe.fromMaybe + (error $ "Using function '" ++ (varToString mapped_f) ++ "' without signature? This should not happen!") + (Map.lookup mapped_f signatures) + let -- Setup the generate scheme len = (tfvec_len . Var.varType) res + -- TODO: Use something better than varToString label = mkVHDLExtId ("mapVector" ++ (varToString res)) nPar = AST.unsafeVHDLBasicId "n" range = AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len-1)) genScheme = AST.ForGn nPar range -- Get the entity name and port names entity_id = ent_id entity - argports = map (Monad.liftM fst) (ent_args entity) - resport = (Monad.liftM fst) (ent_res entity) + argports = map fst (ent_args entity) + resport = fst (ent_res entity) -- Assign the ports - inport = mkAssocElemIndexed (argports!!0) (varToString arg) nPar - outport = mkAssocElemIndexed resport (varToString res) nPar - clk_port = mkAssocElem (Just $ mkVHDLExtId "clk") "clk" - portassigns = Maybe.catMaybes [inport,outport,clk_port] + inport = mkAssocElemIndexed (argports!!0) (varToVHDLId arg) nPar + outport = mkAssocElemIndexed resport (varToVHDLId res) nPar + portassigns = [inport,outport] -- Generate the portmap mapLabel = "map" ++ (AST.fromVHDLId entity_id) compins = mkComponentInst mapLabel entity_id portassigns -- Return the generate functions - genSm = AST.GenerateSm label genScheme [] [compins] + genSm = AST.CSGSm $ AST.GenerateSm label genScheme [] [compins] + in + return $ [genSm] +genMap' (Right name) _ _ = error $ "Cannot generate map function call assigned to a VHDLName: " ++ show name -genZipWithCall :: - Entity - -> [CoreSyn.CoreBndr] - -> AST.GenerateSm -genZipWithCall entity [arg1, arg2, res] = genSm - where +genZipWith :: BuiltinBuilder +genZipWith = genVarArgs genZipWith' +genZipWith' :: (Either CoreSyn.CoreBndr AST.VHDLName) -> CoreSyn.CoreBndr -> [Var.Var] -> VHDLSession [AST.ConcSm] +genZipWith' (Left res) f args@[zipped_f, arg1, arg2] = do + signatures <- getA vsSignatures + let entity = Maybe.fromMaybe + (error $ "Using function '" ++ (varToString zipped_f) ++ "' without signature? This should not happen!") + (Map.lookup zipped_f signatures) + let -- Setup the generate scheme len = (tfvec_len . Var.varType) res + -- TODO: Use something better than varToString label = mkVHDLExtId ("zipWithVector" ++ (varToString res)) nPar = AST.unsafeVHDLBasicId "n" range = AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len-1)) genScheme = AST.ForGn nPar range -- Get the entity name and port names entity_id = ent_id entity - argports = map (Monad.liftM fst) (ent_args entity) - resport = (Monad.liftM fst) (ent_res entity) + argports = map fst (ent_args entity) + resport = fst (ent_res entity) -- Assign the ports - inport1 = mkAssocElemIndexed (argports!!0) (varToString arg1) nPar - inport2 = mkAssocElemIndexed (argports!!1) (varToString arg2) nPar - outport = mkAssocElemIndexed resport (varToString res) nPar - clk_port = mkAssocElem (Just $ mkVHDLExtId "clk") "clk" - portassigns = Maybe.catMaybes [inport1,inport2,outport,clk_port] + inport1 = mkAssocElemIndexed (argports!!0) (varToVHDLId arg1) nPar + inport2 = mkAssocElemIndexed (argports!!1) (varToVHDLId arg2) nPar + outport = mkAssocElemIndexed resport (varToVHDLId res) nPar + portassigns = [inport1,inport2,outport] -- Generate the portmap mapLabel = "zipWith" ++ (AST.fromVHDLId entity_id) compins = mkComponentInst mapLabel entity_id portassigns -- Return the generate functions - genSm = AST.GenerateSm label genScheme [] [compins] + genSm = AST.CSGSm $ AST.GenerateSm label genScheme [] [compins] + in + return $ [genSm] +{- +genFoldl :: BuiltinBuilder +genFoldl = genVarArgs genFoldl' +genFoldl' resVal f [folded_f, startVal, inVec] = do + signatures <- getA vsSignatures + let entity = Maybe.fromMaybe + (error $ "Using function '" ++ (varToString folded_f) ++ "' without signature? This should not happen!") + (Map.lookup folded_f signatures) + let (vec, _) = splitAppTy (Var.varType inVec) + let vecty = Type.mkAppTy vec (Var.varType startVal) + vecType <- vhdl_ty vecty + -- Setup the generate scheme + let len = (tfvec_len . Var.varType) inVec + let genlabel = mkVHDLExtId ("foldlVector" ++ (varToString inVec)) + let blockLabel = mkVHDLExtId ("foldlVector" ++ (varToString startVal)) + let range = AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len-1)) + let genScheme = AST.ForGn (AST.unsafeVHDLBasicId "n") range + -- Make the intermediate vector + let tmpVec = AST.BDISD $ AST.SigDec (mkVHDLExtId "tmp") vecType Nothing + -- Get the entity name and port names + let entity_id = ent_id entity + let argports = map (Monad.liftM fst) (ent_args entity) + let resport = (Monad.liftM fst) (ent_res entity) + -- Return the generate functions + let genSm = AST.GenerateSm genlabel genScheme [] + [ AST.CSGSm (genFirstCell (entity_id, argports, resport) + [startVal, inVec, resVal]) + , AST.CSGSm (genOtherCell (entity_id, argports, resport) + [startVal, inVec, resVal]) + , AST.CSGSm (genLastCell (entity_id, argports, resport) + [startVal, inVec, resVal]) + ] + return $ [AST.CSBSm $ AST.BlockSm blockLabel [] (AST.PMapAspect []) [tmpVec] [AST.CSGSm genSm]] + where + genFirstCell (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn + where + cellLabel = mkVHDLExtId "firstcell" + cellGenScheme = AST.IfGn ((AST.PrimName $ AST.NSimple nPar) AST.:=: (AST.PrimLit "0")) + tmpId = mkVHDLExtId "tmp" + nPar = AST.unsafeVHDLBasicId "n" + -- Assign the ports + inport1 = mkAssocElem (argports!!0) (varToString startVal) + inport2 = mkAssocElemIndexed (argports!!1) (varToVHDLId inVec) nPar + outport = mkAssocElemIndexed resport tmpId nPar + portassigns = Maybe.catMaybes [inport1,inport2,outport] + -- Generate the portmap + mapLabel = "cell" ++ (AST.fromVHDLId entity_id) + compins = mkComponentInst mapLabel entity_id portassigns + -- Return the generate functions + cellGn = AST.GenerateSm cellLabel cellGenScheme [] [compins] + genOtherCell (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn + where + len = (tfvec_len . Var.varType) inVec + cellLabel = mkVHDLExtId "othercell" + cellGenScheme = AST.IfGn $ AST.And ((AST.PrimName $ AST.NSimple nPar) AST.:>: (AST.PrimLit "0")) + ((AST.PrimName $ AST.NSimple nPar) AST.:<: (AST.PrimLit $ show (len-1))) + tmpId = mkVHDLExtId "tmp" + nPar = AST.unsafeVHDLBasicId "n" + -- Assign the ports + inport1 = mkAssocElemIndexed (argports!!0) tmpId (AST.unsafeVHDLBasicId "n-1") + inport2 = mkAssocElemIndexed (argports!!1) (varToVHDLId inVec) nPar + outport = mkAssocElemIndexed resport tmpId nPar + portassigns = Maybe.catMaybes [inport1,inport2,outport] + -- Generate the portmap + mapLabel = "cell" ++ (AST.fromVHDLId entity_id) + compins = mkComponentInst mapLabel entity_id portassigns + -- Return the generate functions + cellGn = AST.GenerateSm cellLabel cellGenScheme [] [compins] + genLastCell (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn + where + len = (tfvec_len . Var.varType) inVec + cellLabel = mkVHDLExtId "lastCell" + cellGenScheme = AST.IfGn ((AST.PrimName $ AST.NSimple nPar) AST.:=: (AST.PrimLit $ show (len-1))) + tmpId = mkVHDLExtId "tmp" + nPar = AST.unsafeVHDLBasicId "n" + -- Assign the ports + inport1 = mkAssocElemIndexed (argports!!0) tmpId (AST.unsafeVHDLBasicId "n-1") + inport2 = mkAssocElemIndexed (argports!!1) (varToVHDLId inVec) nPar + outport = mkAssocElemIndexed resport tmpId nPar + portassigns = Maybe.catMaybes [inport1,inport2,outport] + -- Generate the portmap + mapLabel = "cell" ++ (AST.fromVHDLId entity_id) + compins = mkComponentInst mapLabel entity_id portassigns + -- Generate the output assignment + assign = mkUncondAssign (Left resVal) (AST.PrimName (AST.NIndexed (AST.IndexedName + (AST.NSimple tmpId) [AST.PrimLit $ show (len-1)]))) + -- Return the generate functions + cellGn = AST.GenerateSm cellLabel cellGenScheme [] [compins,assign] +-} +----------------------------------------------------------------------------- +-- Function to generate VHDL for applications +----------------------------------------------------------------------------- +genApplication :: + (Either CoreSyn.CoreBndr AST.VHDLName) -- ^ Where to store the result? + -> CoreSyn.CoreBndr -- ^ The function to apply + -> [Either CoreSyn.CoreExpr AST.Expr] -- ^ The arguments to apply + -> VHDLSession [AST.ConcSm] -- ^ The resulting concurrent statements +genApplication dst f args = + case Var.globalIdVarDetails f of + IdInfo.DataConWorkId dc -> case dst of + -- It's a datacon. Create a record from its arguments. + Left bndr -> do + -- We have the bndr, so we can get at the type + labels <- getFieldLabels (Var.varType bndr) + return $ zipWith mkassign labels $ map (either exprToVHDLExpr id) args + where + mkassign :: AST.VHDLId -> AST.Expr -> AST.ConcSm + mkassign label arg = + let sel_name = mkSelectedName ((either varToVHDLName id) dst) label in + mkUncondAssign (Right sel_name) arg + Right _ -> error $ "Generate.genApplication Can't generate dataconstructor application without an original binder" + IdInfo.VanillaGlobal -> do + -- It's a global value imported from elsewhere. These can be builtin + -- functions. Look up the function name in the name table and execute + -- the associated builder if there is any and the argument count matches + -- (this should always be the case if it typechecks, but just to be + -- sure...). + case (Map.lookup (varToString f) globalNameTable) of + Just (arg_count, builder) -> + if length args == arg_count then + builder dst f args + else + error $ "Generate.genApplication Incorrect number of arguments to builtin function: " ++ pprString f ++ " Args: " ++ show args + Nothing -> error $ "Using function from another module that is not a known builtin: " ++ pprString f + IdInfo.NotGlobalId -> do + signatures <- getA vsSignatures + -- This is a local id, so it should be a function whose definition we + -- have and which can be turned into a component instantiation. + let + signature = Maybe.fromMaybe + (error $ "Using function '" ++ (varToString f) ++ "' without signature? This should not happen!") + (Map.lookup f signatures) + entity_id = ent_id signature + -- TODO: Using show here isn't really pretty, but we'll need some + -- unique-ish value... + label = "comp_ins_" ++ (either show show) dst + portmaps = mkAssocElems (map (either exprToVHDLExpr id) args) ((either varToVHDLName id) dst) signature + in + return [mkComponentInst label entity_id portmaps] + details -> error $ "Calling unsupported function " ++ pprString f ++ " with GlobalIdDetails " ++ pprString details + +----------------------------------------------------------------------------- +-- Functions to generate functions dealing with vectors. +----------------------------------------------------------------------------- + +-- Returns the VHDLId of the vector function with the given name for the given +-- element type. Generates -- this function if needed. +vectorFunId :: Type.Type -> String -> VHDLSession AST.VHDLId +vectorFunId el_ty fname = do + elemTM <- vhdl_ty el_ty + -- TODO: This should not be duplicated from mk_vector_ty. Probably but it in + -- the VHDLState or something. + let vectorTM = mkVHDLExtId $ "vector_" ++ (AST.fromVHDLId elemTM) + typefuns <- getA vsTypeFuns + case Map.lookup (OrdType el_ty, fname) typefuns of + -- Function already generated, just return it + Just (id, _) -> return id + -- Function not generated yet, generate it + Nothing -> do + let functions = genUnconsVectorFuns elemTM vectorTM + case lookup fname functions of + Just body -> do + modA vsTypeFuns $ Map.insert (OrdType el_ty, fname) (function_id, body) + return function_id + Nothing -> error $ "I don't know how to generate vector function " ++ fname + where + function_id = mkVHDLExtId fname genUnconsVectorFuns :: AST.TypeMark -- ^ type of the vector elements -> AST.TypeMark -- ^ type of the vector - -> [AST.SubProgBody] + -> [(String, AST.SubProgBody)] genUnconsVectorFuns elemTM vectorTM = - [ AST.SubProgBody exSpec [] [exExpr] - , AST.SubProgBody replaceSpec [AST.SPVD replaceVar] [replaceExpr,replaceRet] - , AST.SubProgBody headSpec [] [headExpr] - , AST.SubProgBody lastSpec [] [lastExpr] - , AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet] - , AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet] - , AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet] - , AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet] - , AST.SubProgBody plusgtSpec [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet] - , AST.SubProgBody emptySpec [AST.SPCD emptyVar] [emptyExpr] - , AST.SubProgBody singletonSpec [AST.SPVD singletonVar] [singletonRet] - , AST.SubProgBody copySpec [AST.SPVD copyVar] [copyExpr] + [ (exId, AST.SubProgBody exSpec [] [exExpr]) + , (replaceId, AST.SubProgBody replaceSpec [AST.SPVD replaceVar] [replaceExpr,replaceRet]) + , (headId, AST.SubProgBody headSpec [] [headExpr]) + , (lastId, AST.SubProgBody lastSpec [] [lastExpr]) + , (initId, AST.SubProgBody initSpec [AST.SPVD initVar] [initExpr, initRet]) + , (tailId, AST.SubProgBody tailSpec [AST.SPVD tailVar] [tailExpr, tailRet]) + , (takeId, AST.SubProgBody takeSpec [AST.SPVD takeVar] [takeExpr, takeRet]) + , (dropId, AST.SubProgBody dropSpec [AST.SPVD dropVar] [dropExpr, dropRet]) + , (plusgtId, AST.SubProgBody plusgtSpec [AST.SPVD plusgtVar] [plusgtExpr, plusgtRet]) + , (emptyId, AST.SubProgBody emptySpec [AST.SPCD emptyVar] [emptyExpr]) + , (singletonId, AST.SubProgBody singletonSpec [AST.SPVD singletonVar] [singletonRet]) + , (copyId, AST.SubProgBody copySpec [AST.SPVD copyVar] [copyExpr]) ] where ixPar = AST.unsafeVHDLBasicId "ix" @@ -114,12 +340,12 @@ genUnconsVectorFuns elemTM vectorTM = iPar = iId aPar = AST.unsafeVHDLBasicId "a" resId = AST.unsafeVHDLBasicId "res" - exSpec = AST.Function exId [AST.IfaceVarDec vecPar vectorTM, + exSpec = AST.Function (mkVHDLExtId exId) [AST.IfaceVarDec vecPar vectorTM, AST.IfaceVarDec ixPar naturalTM] elemTM exExpr = AST.ReturnSm (Just $ AST.PrimName $ AST.NIndexed (AST.IndexedName (AST.NSimple vecPar) [AST.PrimName $ AST.NSimple ixPar])) - replaceSpec = AST.Function replaceId [ AST.IfaceVarDec vecPar vectorTM + replaceSpec = AST.Function (mkVHDLExtId replaceId) [ AST.IfaceVarDec vecPar vectorTM , AST.IfaceVarDec iPar naturalTM , AST.IfaceVarDec aPar elemTM ] vectorTM @@ -130,7 +356,7 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-: + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: (AST.PrimLit "1")) ])) Nothing -- res AST.:= vec(0 to i-1) & a & vec(i+1 to length'vec-1) @@ -139,25 +365,25 @@ genUnconsVectorFuns elemTM vectorTM = AST.PrimName (AST.NSimple aPar) AST.:&: vecSlice (AST.PrimName (AST.NSimple iPar) AST.:+: AST.PrimLit "1") ((AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing)) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing)) AST.:-: AST.PrimLit "1")) replaceRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) vecSlice init last = AST.PrimName (AST.NSlice (AST.SliceName (AST.NSimple vecPar) (AST.ToRange init last))) - headSpec = AST.Function headId [AST.IfaceVarDec vecPar vectorTM] elemTM + headSpec = AST.Function (mkVHDLExtId headId) [AST.IfaceVarDec vecPar vectorTM] elemTM -- return vec(0); headExpr = AST.ReturnSm (Just $ (AST.PrimName $ AST.NIndexed (AST.IndexedName (AST.NSimple vecPar) [AST.PrimLit "0"]))) - lastSpec = AST.Function lastId [AST.IfaceVarDec vecPar vectorTM] elemTM + lastSpec = AST.Function (mkVHDLExtId lastId) [AST.IfaceVarDec vecPar vectorTM] elemTM -- return vec(vec'length-1); lastExpr = AST.ReturnSm (Just $ (AST.PrimName $ AST.NIndexed (AST.IndexedName (AST.NSimple vecPar) [AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: AST.PrimLit "1"]))) - initSpec = AST.Function initId [AST.IfaceVarDec vecPar vectorTM] vectorTM + initSpec = AST.Function (mkVHDLExtId initId) [AST.IfaceVarDec vecPar vectorTM] vectorTM -- variable res : fsvec_x (0 to vec'length-2); initVar = AST.VarDec resId @@ -165,17 +391,17 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-: + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: (AST.PrimLit "2")) ])) Nothing -- resAST.:= vec(0 to vec'length-2) initExpr = AST.NSimple resId AST.:= (vecSlice (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: AST.PrimLit "2")) initRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - tailSpec = AST.Function tailId [AST.IfaceVarDec vecPar vectorTM] vectorTM + tailSpec = AST.Function (mkVHDLExtId tailId) [AST.IfaceVarDec vecPar vectorTM] vectorTM -- variable res : fsvec_x (0 to vec'length-2); tailVar = AST.VarDec resId @@ -183,17 +409,17 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-: + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: (AST.PrimLit "2")) ])) Nothing -- res AST.:= vec(1 to vec'length-1) tailExpr = AST.NSimple resId AST.:= (vecSlice (AST.PrimLit "1") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: AST.PrimLit "1")) tailRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - takeSpec = AST.Function takeId [AST.IfaceVarDec nPar naturalTM, + takeSpec = AST.Function (mkVHDLExtId takeId) [AST.IfaceVarDec nPar naturalTM, AST.IfaceVarDec vecPar vectorTM ] vectorTM -- variable res : fsvec_x (0 to n-1); takeVar = @@ -209,7 +435,7 @@ genUnconsVectorFuns elemTM vectorTM = (vecSlice (AST.PrimLit "1") (AST.PrimName (AST.NSimple $ nPar) AST.:-: AST.PrimLit "1")) takeRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - dropSpec = AST.Function dropId [AST.IfaceVarDec nPar naturalTM, + dropSpec = AST.Function (mkVHDLExtId dropId) [AST.IfaceVarDec nPar naturalTM, AST.IfaceVarDec vecPar vectorTM ] vectorTM -- variable res : fsvec_x (0 to vec'length-n-1); dropVar = @@ -218,17 +444,17 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) AST.:-: + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: (AST.PrimName $ AST.NSimple nPar)AST.:-: (AST.PrimLit "1")) ])) Nothing -- res AST.:= vec(n to vec'length-1) dropExpr = AST.NSimple resId AST.:= (vecSlice (AST.PrimName $ AST.NSimple nPar) (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing) AST.:-: AST.PrimLit "1")) dropRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - plusgtSpec = AST.Function plusgtId [AST.IfaceVarDec aPar elemTM, + plusgtSpec = AST.Function (mkVHDLExtId plusgtId) [AST.IfaceVarDec aPar elemTM, AST.IfaceVarDec vecPar vectorTM] vectorTM -- variable res : fsvec_x (0 to vec'length); plusgtVar = @@ -237,19 +463,19 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.ConstraintIndex $ AST.IndexConstraint [AST.ToRange (AST.PrimLit "0") (AST.PrimName (AST.NAttribute $ - AST.AttribName (AST.NSimple vecPar) lengthId Nothing))])) + AST.AttribName (AST.NSimple vecPar) (mkVHDLBasicId lengthId) Nothing))])) Nothing plusgtExpr = AST.NSimple resId AST.:= ((AST.PrimName $ AST.NSimple aPar) AST.:&: (AST.PrimName $ AST.NSimple vecPar)) plusgtRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - emptySpec = AST.Function emptyId [] vectorTM + emptySpec = AST.Function (mkVHDLExtId emptyId) [] vectorTM emptyVar = AST.ConstDec resId (AST.SubtypeIn vectorTM Nothing) (Just $ AST.PrimLit "\"\"") emptyExpr = AST.ReturnSm (Just $ AST.PrimName (AST.NSimple resId)) - singletonSpec = AST.Function singletonId [AST.IfaceVarDec aPar elemTM ] + singletonSpec = AST.Function (mkVHDLExtId singletonId) [AST.IfaceVarDec aPar elemTM ] vectorTM -- variable res : fsvec_x (0 to 0) := (others => a); singletonVar = @@ -260,7 +486,7 @@ genUnconsVectorFuns elemTM vectorTM = (Just $ AST.Aggregate [AST.ElemAssoc (Just AST.Others) (AST.PrimName $ AST.NSimple aPar)]) singletonRet = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) - copySpec = AST.Function copyId [AST.IfaceVarDec nPar naturalTM, + copySpec = AST.Function (mkVHDLExtId copyId) [AST.IfaceVarDec nPar naturalTM, AST.IfaceVarDec aPar elemTM ] vectorTM -- variable res : fsvec_x (0 to n-1) := (others => a); copyVar = @@ -274,3 +500,32 @@ genUnconsVectorFuns elemTM vectorTM = (AST.PrimName $ AST.NSimple aPar)]) -- return res copyExpr = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId) + +----------------------------------------------------------------------------- +-- A table of builtin functions +----------------------------------------------------------------------------- + +-- | The builtin functions we support. Maps a name to an argument count and a +-- builder function. +globalNameTable :: NameTable +globalNameTable = Map.fromList + [ (exId , (2, genFCall ) ) + , (replaceId , (3, genFCall ) ) + , (headId , (1, genFCall ) ) + , (lastId , (1, genFCall ) ) + , (tailId , (1, genFCall ) ) + , (initId , (1, genFCall ) ) + , (takeId , (2, genFCall ) ) + , (dropId , (2, genFCall ) ) + , (plusgtId , (2, genFCall ) ) + , (mapId , (2, genMap ) ) + , (zipWithId , (3, genZipWith ) ) + --, (foldlId , (3, genFoldl ) ) + , (emptyId , (0, genFCall ) ) + , (singletonId , (1, genFCall ) ) + , (copyId , (2, genFCall ) ) + , (hwxorId , (2, genOperator2 AST.Xor ) ) + , (hwandId , (2, genOperator2 AST.And ) ) + , (hworId , (2, genOperator2 AST.Or ) ) + , (hwnotId , (1, genOperator1 AST.Not ) ) + ]