-- 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
-
--- | 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) $
+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 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' :: (Either CoreSyn.CoreBndr AST.VHDLName) -> CoreSyn.CoreBndr -> [Var.Var] -> VHDLSession [AST.ConcSm]
+genMap' (Left res) f [mapped_f, arg] =
+ let
-- Setup the generate scheme
- len = getVectorLen res
- label = mkVHDLExtId ("mapVector" ++ (bndrToString res))
- nPar = AST.unsafeVHDLBasicId "n"
+ len = (tfvec_len . Var.varType) res
+ -- TODO: Use something better than varToString
+ label = mkVHDLExtId ("mapVector" ++ (varToString res))
+ n_id = mkVHDLBasicId "n"
+ n_expr = idToVHDLExpr n_id
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
- argport = map (Monad.liftM fst) (ent_args entity)
- resport = (Monad.liftM fst) (ent_res entity)
- -- Assign the ports
- inport = mkAssocElemIndexed (head argport) (bndrToString arg) nPar
- outport = mkAssocElemIndexed resport (bndrToString res) nPar
- clk_port = mkAssocElem (Just $ mkVHDLExtId "clk") "clk"
- portassigns = Maybe.catMaybes [inport,outport,clk_port]
- -- Generate the portmap
- mapLabel = "map" ++ (AST.fromVHDLId entity_id)
- compins = genComponentInst mapLabel entity_id portassigns
+ genScheme = AST.ForGn n_id range
+
+ -- Create the content of the generate statement: Applying the mapped_f to
+ -- each of the elements in arg, storing to each element in res
+ resname = mkIndexedName (varToVHDLName res) n_expr
+ argexpr = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName arg) n_expr
+ in do
+ app_concsms <- genApplication (Right resname) mapped_f [Right argexpr]
+ -- Return the generate statement
+ return [AST.CSGSm $ AST.GenerateSm label genScheme [] app_concsms]
+
+genMap' (Right name) _ _ = error $ "Cannot generate map function call assigned to a VHDLName: " ++ show name
+
+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] =
+ let
+ -- Setup the generate scheme
+ len = (tfvec_len . Var.varType) res
+ -- TODO: Use something better than varToString
+ label = mkVHDLExtId ("zipWithVector" ++ (varToString res))
+ n_id = mkVHDLBasicId "n"
+ n_expr = idToVHDLExpr n_id
+ range = AST.ToRange (AST.PrimLit "0") (AST.PrimLit $ show (len-1))
+ genScheme = AST.ForGn n_id range
+
+ -- Create the content of the generate statement: Applying the zipped_f to
+ -- each of the elements in arg1 and arg2, storing to each element in res
+ resname = mkIndexedName (varToVHDLName res) n_expr
+ argexpr1 = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName arg1) n_expr
+ argexpr2 = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName arg2) n_expr
+ in do
+ app_concsms <- genApplication (Right resname) zipped_f [Right argexpr1, Right argexpr2]
-- Return the generate functions
- genSm = AST.GenerateSm label genScheme [] [compins]
+ return [AST.CSGSm $ AST.GenerateSm label genScheme [] app_concsms]
+
+genFoldl :: BuiltinBuilder
+genFoldl = genVarArgs genFoldl'
+genFoldl' :: (Either CoreSyn.CoreBndr AST.VHDLName) -> CoreSyn.CoreBndr -> [Var.Var] -> VHDLSession [AST.ConcSm]
+-- Special case for an empty input vector, just assign start to res
+genFoldl' (Left res) _ [_, start, vec] | len == 0 = return [mkUncondAssign (Left res) (varToVHDLExpr start)]
+ where len = (tfvec_len . Var.varType) vec
+genFoldl' (Left res) f [folded_f, start, vec] = do
+ -- evec is (TFVec n), so it still needs an element type
+ let (nvec, _) = splitAppTy (Var.varType vec)
+ -- Put the type of the start value in nvec, this will be the type of our
+ -- temporary vector
+ let tmp_ty = Type.mkAppTy nvec (Var.varType start)
+ tmp_vhdl_ty <- vhdl_ty tmp_ty
+ -- Setup the generate scheme
+ let gen_label = mkVHDLExtId ("foldlVector" ++ (varToString vec))
+ let block_label = mkVHDLExtId ("foldlVector" ++ (varToString start))
+ let gen_range = AST.ToRange (AST.PrimLit "0") len_min_expr
+ let gen_scheme = AST.ForGn n_id gen_range
+ -- Make the intermediate vector
+ let tmp_dec = AST.BDISD $ AST.SigDec tmp_id tmp_vhdl_ty Nothing
+ -- Create the generate statement
+ cells <- sequence [genFirstCell, genOtherCell]
+ let gen_sm = AST.GenerateSm gen_label gen_scheme [] (map AST.CSGSm cells)
+ -- Assign tmp[len-1] to res
+ let out_assign = mkUncondAssign (Left res) $ vhdlNameToVHDLExpr (mkIndexedName tmp_name (AST.PrimLit $ show (len-1)))
+ let block = AST.BlockSm block_label [] (AST.PMapAspect []) [tmp_dec] [AST.CSGSm gen_sm, out_assign]
+ return [AST.CSBSm block]
+ where
+ -- The vector length
+ len = (tfvec_len . Var.varType) vec
+ -- An id for the counter
+ n_id = mkVHDLBasicId "n"
+ n_expr = idToVHDLExpr n_id
+ -- An expression for n-1
+ n_min_expr = n_expr AST.:-: (AST.PrimLit "1")
+ -- An expression for len-1
+ len_min_expr = (AST.PrimLit $ show (len-1))
+ -- An id for the tmp result vector
+ tmp_id = mkVHDLBasicId "tmp"
+ tmp_name = AST.NSimple tmp_id
+ -- Generate parts of the fold
+ genFirstCell, genOtherCell :: VHDLSession AST.GenerateSm
+ genFirstCell = do
+ let cond_label = mkVHDLExtId "firstcell"
+ -- if n == 0
+ let cond_scheme = AST.IfGn $ n_expr AST.:=: (AST.PrimLit "0")
+ -- Output to tmp[n]
+ let resname = mkIndexedName tmp_name n_expr
+ -- Input from start
+ let argexpr1 = varToVHDLExpr start
+ -- Input from vec[n]
+ let argexpr2 = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName vec) n_expr
+ app_concsms <- genApplication (Right resname) folded_f [Right argexpr1, Right argexpr2]
+ -- Return the conditional generate part
+ return $ AST.GenerateSm cond_label cond_scheme [] app_concsms
+
+ genOtherCell = do
+ let cond_label = mkVHDLExtId "othercell"
+ -- if n > 0
+ let cond_scheme = AST.IfGn $ n_expr AST.:>: (AST.PrimLit "0")
+ -- Output to tmp[n]
+ let resname = mkIndexedName tmp_name n_expr
+ -- Input from tmp[n-1]
+ let argexpr1 = vhdlNameToVHDLExpr $ mkIndexedName tmp_name n_min_expr
+ -- Input from vec[n]
+ let argexpr2 = vhdlNameToVHDLExpr $ mkIndexedName (varToVHDLName vec) n_expr
+ app_concsms <- genApplication (Right resname) folded_f [Right argexpr1, Right argexpr2]
+ -- Return the conditional generate part
+ return $ AST.GenerateSm cond_label cond_scheme [] app_concsms
+
+{-
+genFoldr :: BuiltinBuilder
+genFoldr = genVarArgs genFoldr'
+genFoldr' 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 ("foldrVector" ++ (varToString inVec))
+ let blockLabel = mkVHDLExtId ("foldrVector" ++ (varToString startVal))
+ let range = AST.DownRange (AST.PrimLit $ show (len-1)) (AST.PrimLit "0")
+ let genScheme = AST.ForGn (AST.unsafeVHDLBasicId "n") range
+ -- Make the intermediate vector
+ let tmpId = mkVHDLExtId "tmp"
+ let tmpVec = AST.BDISD $ AST.SigDec tmpId 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)
+ -- Generate the output assignment
+ let assign = [mkUncondAssign (Left resVal) (AST.PrimName (AST.NIndexed (AST.IndexedName
+ (AST.NSimple tmpId) [AST.PrimLit "0"])))]
+ -- Return the generate functions
+ let genSm = AST.CSGSm $ AST.GenerateSm genlabel genScheme []
+ [ AST.CSGSm (genFirstCell len (entity_id, argports, resport)
+ [startVal, inVec, resVal])
+ , AST.CSGSm (genOtherCell len (entity_id, argports, resport)
+ [startVal, inVec, resVal])
+ ]
+ return $ if len > 0 then
+ [AST.CSBSm $ AST.BlockSm blockLabel [] (AST.PMapAspect []) [tmpVec] (genSm : assign)]
+ else
+ [mkUncondAssign (Left resVal) (AST.PrimName $ AST.NSimple (varToVHDLId startVal))]
+ where
+ genFirstCell len (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn
+ where
+ cellLabel = mkVHDLExtId "firstcell"
+ 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 = 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 len (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn
+ where
+ len = (tfvec_len . Var.varType) inVec
+ cellLabel = mkVHDLExtId "othercell"
+ cellGenScheme = AST.IfGn ((AST.PrimName $ AST.NSimple nPar) AST.:/=: (AST.PrimLit $ show (len-1)))
+ -- ((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]
+
+-}
+
+
+-----------------------------------------------------------------------------
+-- 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.SPVD 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"
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
(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)
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
(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
(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 =
(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 =
(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 =
(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.VarDec resId
- (AST.SubtypeIn vectorTM
- (Just $ AST.ConstraintIndex $ AST.IndexConstraint
- [AST.ToRange (AST.PrimLit "0")
- (AST.PrimLit "-1")]))
- Nothing
+ 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 =
(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 =
(Just $ AST.Aggregate [AST.ElemAssoc (Just AST.Others)
(AST.PrimName $ AST.NSimple aPar)])
-- return res
- copyExpr = AST.ReturnSm (Just $ AST.PrimName $ AST.NSimple resId)
\ No newline at end of file
+ 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 ) )
+ --, (foldrId , (3, genFoldr ) )
+ , (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 ) )
+ ]
projects / matthijs / master-project / cλash.git / blobdiff