import qualified Data.Map as Map
import qualified Maybe
import Data.Accessor
+import Debug.Trace
-- ForSyDe
import qualified ForSyDe.Backend.VHDL.AST as AST
import VHDLTypes
import VHDLTools
import CoreTools
+import Pretty
+
+-- | A function to wrap a builder-like function that expects its arguments to
+-- be expressions.
+genExprArgs ::
+ (dst -> func -> [AST.Expr] -> res)
+ -> (dst -> func -> [CoreSyn.CoreExpr] -> res)
+genExprArgs wrap dst func args = wrap dst func args'
+ where args' = map (varToVHDLExpr.exprToVar) args
+
+-- | A function to wrap a builder-like function that expects its arguments to
+-- be variables.
+genVarArgs ::
+ (dst -> func -> [Var.Var] -> res)
+ -> (dst -> func -> [CoreSyn.CoreExpr] -> res)
+genVarArgs wrap dst func args = wrap dst func args'
+ where args' = map exprToVar args
+
+-- | A function to wrap a builder-like function that produces an expression
+-- and expects it to be assigned to the destination.
+genExprRes ::
+ (CoreSyn.CoreBndr -> func -> [arg] -> VHDLSession AST.Expr)
+ -> (CoreSyn.CoreBndr -> func -> [arg] -> VHDLSession [AST.ConcSm])
+genExprRes wrap dst func args = do
+ expr <- wrap dst func args
+ return $ [mkUncondAssign (Left 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) -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
-genExprOp2 op res [arg1, arg2] = return $ op arg1 arg2
+genOperator2 :: (AST.Expr -> AST.Expr -> AST.Expr) -> BuiltinBuilder
+genOperator2 op = genExprArgs $ genExprRes (genOperator2' op)
+genOperator2' :: (AST.Expr -> AST.Expr -> AST.Expr) -> CoreSyn.CoreBndr -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
+genOperator2' op res f [arg1, arg2] = return $ op arg1 arg2
-- | Generate a unary operator application
-genExprOp1 :: (AST.Expr -> AST.Expr) -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
-genExprOp1 op res [arg] = return $ op arg
+genOperator1 :: (AST.Expr -> AST.Expr) -> BuiltinBuilder
+genOperator1 op = genExprArgs $ genExprRes (genOperator1' op)
+genOperator1' :: (AST.Expr -> AST.Expr) -> CoreSyn.CoreBndr -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
+genOperator1' op res f [arg] = return $ op arg
-- | Generate a function call from the destination binder, function name and a
-- list of expressions (its arguments)
-genExprFCall :: String -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
-genExprFCall fname res args = do
+genFCall :: BuiltinBuilder
+genFCall = genExprArgs $ genExprRes genFCall'
+genFCall' :: CoreSyn.CoreBndr -> CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr
+genFCall' 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
-- | Generate a generate statement for the builtin function "map"
-genMapCall ::
- Entity -- | The entity to map
- -> [CoreSyn.CoreBndr] -- | The vectors
- -> VHDLSession AST.ConcSm -- | The resulting generate statement
-genMapCall entity [arg, res] = return $ genSm
- where
+genMap :: BuiltinBuilder
+genMap = genVarArgs genMap'
+genMap' 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
label = mkVHDLExtId ("mapVector" ++ (varToString res))
compins = mkComponentInst mapLabel entity_id portassigns
-- Return the generate functions
genSm = AST.CSGSm $ AST.GenerateSm label genScheme [] [compins]
+ in
+ return $ [genSm]
-genZipWithCall ::
- Entity
- -> [CoreSyn.CoreBndr]
- -> VHDLSession AST.ConcSm
-genZipWithCall entity [arg1, arg2, res] = return $ genSm
- where
+genZipWith :: BuiltinBuilder
+genZipWith = genVarArgs genZipWith'
+genZipWith' 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
label = mkVHDLExtId ("zipWithVector" ++ (varToString res))
compins = mkComponentInst mapLabel entity_id portassigns
-- Return the generate functions
genSm = AST.CSGSm $ AST.GenerateSm label genScheme [] [compins]
+ in
+ return $ [genSm]
-genFoldlCall ::
- Entity
- -> [CoreSyn.CoreBndr]
- -> VHDLSession AST.ConcSm
-genFoldlCall entity [startVal, inVec, resVal] = do
+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
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
+ -- Return the generate functions
let genSm = AST.GenerateSm genlabel genScheme []
[ AST.CSGSm (genFirstCell (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]
+ return $ [AST.CSBSm $ AST.BlockSm blockLabel [] (AST.PMapAspect []) [tmpVec] [AST.CSGSm genSm]]
where
genFirstCell (entity_id, argports, resport) [startVal, inVec, resVal] = cellGn
where
projects / matthijs / master-project / cλash.git / blobdiff