module Language.Copilot.Core (
Var, Name, Period, Phase, Port(..),
Spec(..), Streams, Stream, Send(..), --DistributedStreams,
Trigger(..), Triggers, notVarErr, LangElems(..),
Streamable(..), mkSend,
StreamableMaps(..), emptySM,
isEmptySM, getMaybeElem, getElem,
foldStreamableMaps,
mapStreamableMaps, mapStreamableMapsM,
filterStreamableMaps, normalizeVar, getVars, Vars,
BoundedArray(..), nextSt, Outputs, TmpSamples(..), emptyTmpSamples,
ProphArrs, Indexes, PhasedValueVar(..), PhasedValueArr(..), PhasedValueIdx(..),
tmpVarName, tmpArrName, getAtomType,
getSpecs, getSends, getTriggers, makeTrigger
) where
import qualified Language.Atom as A
import Data.Int
import Data.Word
import Data.List hiding (union)
import qualified Data.Map as M
import Text.Printf
import Control.Monad.Writer (Writer, Monoid(..), execWriter)
type Var = String
type Name = String
type Period = Int
type Phase = Int
data Port = Port Int
data Spec a where
Var :: Streamable a => Var -> Spec a
Const :: Streamable a => a -> Spec a
PVar :: Streamable a => A.Type -> Var -> Phase -> Spec a
PArr :: (Streamable a, Streamable b, A.IntegralE b)
=> A.Type -> (Var, Spec b) -> Phase -> Spec a
F :: (Streamable a, Streamable b) =>
(b -> a) -> (A.E b -> A.E a) -> Spec b -> Spec a
F2 :: (Streamable a, Streamable b, Streamable c) =>
(b -> c -> a) -> (A.E b -> A.E c -> A.E a) -> Spec b -> Spec c -> Spec a
F3 :: (Streamable a, Streamable b, Streamable c, Streamable d) =>
(b -> c -> d -> a) -> (A.E b -> A.E c -> A.E d -> A.E a)
-> Spec b -> Spec c -> Spec d -> Spec a
Append :: Streamable a => [a] -> Spec a -> Spec a
Drop :: Streamable a => Int -> Spec a -> Spec a
instance (Streamable a, A.NumE a) => Num (Spec a) where
(+) = F2 (+) (+)
(*) = F2 (*) (*)
() = F2 () ()
negate = F negate negate
abs = F abs abs
signum = F signum signum
fromInteger i = Const (fromInteger i)
instance (Streamable a, A.NumE a, Fractional a) => Fractional (Spec a) where
(/) = F2 (/) (/)
recip = F recip recip
fromRational r = Const (fromRational r)
instance Eq a => Eq (Spec a) where
(==) (PVar t v ph) (PVar t' v' ph') = t == t' && v == v' && ph == ph'
(==) (PArr t (v, idx) ph) (PArr t' (v', idx') ph') =
t == t' && v == v' && show idx == show idx' && ph == ph'
(==) (Var v) (Var v') = v == v'
(==) (Const x) (Const x') = x == x'
(==) s@(F _ _ _) s'@(F _ _ _) = show s == show s'
(==) s@(F2 _ _ _ _) s'@(F2 _ _ _ _) = show s == show s'
(==) s@(F3 _ _ _ _ _) s'@(F3 _ _ _ _ _) = show s == show s'
(==) (Append ls s) (Append ls' s') = ls == ls' && s == s'
(==) (Drop i s) (Drop i' s') = i == i' && s == s'
(==) _ _ = False
data Send a =
Send { sendVar :: Spec a
, sendPh :: Phase
, sendPort :: Port
, sendName :: String}
instance Streamable a => Show (Send a) where
show (Send s ph (Port port) portName) =
notVarErr s (\var -> (portName ++ "_port_" ++ show port ++ "_var_"
++ var ++ "_ph_" ++ show ph))
data Trigger =
Trigger { trigVar :: Spec Bool
, trigName :: String
, trigArgs :: ([Var], StreamableMaps Spec)}
type Triggers = M.Map String Trigger
instance Show Trigger where
show (Trigger s fnName _) =
notVarErr s (\var -> ("trigger_" ++ var ++ "_" ++ fnName ++ "_"))
data LangElems = LangElems
{ strms :: StreamableMaps Spec
, snds :: StreamableMaps Send
, trigs :: Triggers}
type Streams = Writer LangElems ()
getSpecs :: Streams -> StreamableMaps Spec
getSpecs streams =
let (LangElems strms _ _) = execWriter streams
in strms
getSends :: Streams -> StreamableMaps Send
getSends streams =
let (LangElems _ snds _) = execWriter streams
in snds
getTriggers :: Streams -> Triggers
getTriggers streams =
let (LangElems _ _ triggers) = execWriter streams
in triggers
type Stream a = Streamable a => (Var, Spec a)
class (A.Expr a, A.Assign a, Show a) => Streamable a where
getSubMap :: StreamableMaps b -> M.Map Var (b a)
updateSubMap :: (M.Map Var (b a) -> M.Map Var (b a))
-> StreamableMaps b -> StreamableMaps b
unit :: a
atomConstructor :: Var -> a -> A.Atom (A.V a)
externalAtomConstructor :: Var -> A.V a
typeId :: a -> String
typeIdPrec :: a -> String
typeIdPrec x = typeId x
atomType :: a -> A.Type
showAsC :: a -> String
notVarErr :: Streamable a => Spec a -> (Var -> b) -> b
notVarErr s f =
case s of
Var v -> f v
_ -> error $ "You provided specification \n" ++ show s
++ "\n where you needed to give a variable."
mkSend :: (Streamable a) => A.E a -> Port -> String -> A.Atom ()
mkSend e (Port port) portName =
A.action (\[ueStr] -> portName ++ "(" ++ ueStr ++ "," ++ show port ++ ")")
[A.ue e]
instance Streamable Bool where
getSubMap = bMap
updateSubMap f sm = sm {bMap = f $ bMap sm}
unit = False
atomConstructor = A.bool
externalAtomConstructor = A.bool'
typeId _ = "%i"
atomType _ = A.Bool
showAsC x = printf "%u" (if x then 1::Int else 0)
instance Streamable Int8 where
getSubMap = i8Map
updateSubMap f sm = sm {i8Map = f $ i8Map sm}
unit = 0
atomConstructor = A.int8
externalAtomConstructor = A.int8'
typeId _ = "%d"
atomType _ = A.Int8
showAsC x = printf "%d" (toInteger x)
instance Streamable Int16 where
getSubMap = i16Map
updateSubMap f sm = sm {i16Map = f $ i16Map sm}
unit = 0
atomConstructor = A.int16
externalAtomConstructor = A.int16'
typeId _ = "%d"
atomType _ = A.Int16
showAsC x = printf "%d" (toInteger x)
instance Streamable Int32 where
getSubMap = i32Map
updateSubMap f sm = sm {i32Map = f $ i32Map sm}
unit = 0
atomConstructor = A.int32
externalAtomConstructor = A.int32'
typeId _ = "%d"
atomType _ = A.Int32
showAsC x = printf "%d" (toInteger x)
instance Streamable Int64 where
getSubMap = i64Map
updateSubMap f sm = sm {i64Map = f $ i64Map sm}
unit = 0
atomConstructor = A.int64
externalAtomConstructor = A.int64'
typeId _ = "%lld"
atomType _ = A.Int64
showAsC x = printf "%d" (toInteger x)
instance Streamable Word8 where
getSubMap = w8Map
updateSubMap f sm = sm {w8Map = f $ w8Map sm}
unit = 0
atomConstructor = A.word8
externalAtomConstructor = A.word8'
typeId _ = "%u"
atomType _ = A.Word8
showAsC x = printf "%u" (toInteger x)
instance Streamable Word16 where
getSubMap = w16Map
updateSubMap f sm = sm {w16Map = f $ w16Map sm}
unit = 0
atomConstructor = A.word16
externalAtomConstructor = A.word16'
typeId _ = "%u"
atomType _ = A.Word16
showAsC x = printf "%u" (toInteger x)
instance Streamable Word32 where
getSubMap = w32Map
updateSubMap f sm = sm {w32Map = f $ w32Map sm}
unit = 0
atomConstructor = A.word32
externalAtomConstructor = A.word32'
typeId _ = "%u"
atomType _ = A.Word32
showAsC x = printf "%u" (toInteger x)
instance Streamable Word64 where
getSubMap = w64Map
updateSubMap f sm = sm {w64Map = f $ w64Map sm}
unit = 0
atomConstructor = A.word64
externalAtomConstructor = A.word64'
typeId _ = "%llu"
atomType _ = A.Word64
showAsC x = printf "%u" (toInteger x)
instance Streamable Float where
getSubMap = fMap
updateSubMap f sm = sm {fMap = f $ fMap sm}
unit = 0
atomConstructor = A.float
externalAtomConstructor = A.float'
typeId _ = "%f"
typeIdPrec _ = "%.5f"
atomType _ = A.Float
showAsC x = printf "%.5f" x
instance Streamable Double where
getSubMap = dMap
updateSubMap f sm = sm {dMap = f $ dMap sm}
unit = 0
atomConstructor = A.double
externalAtomConstructor = A.double'
typeId _ = "%lf"
typeIdPrec _ = "%.10lf"
atomType _ = A.Double
showAsC x = printf "%.10f" x
getMaybeElem :: Streamable a => Var -> StreamableMaps b -> Maybe (b a)
getMaybeElem v sm = M.lookup v $ getSubMap sm
getElem :: Streamable a => Var -> StreamableMaps b -> b a
getElem v sm = case getMaybeElem v sm of
Nothing -> error "Error in application of getElem from Core.hs."
Just x -> x
getAtomType :: Streamable a => Spec a -> A.Type
getAtomType s =
let unitElem = unit
_ = (Const unitElem) `asTypeOf` s
in atomType unitElem
foldStreamableMaps :: forall b c.
(Streamable a => Var -> c a -> b -> b) ->
StreamableMaps c -> b -> b
foldStreamableMaps f (SM bm i8m i16m i32m i64m w8m w16m w32m w64m fm dm) acc =
let acc0 = M.foldWithKey f acc bm
acc1 = M.foldWithKey f acc0 i8m
acc2 = M.foldWithKey f acc1 i16m
acc3 = M.foldWithKey f acc2 i32m
acc4 = M.foldWithKey f acc3 i64m
acc5 = M.foldWithKey f acc4 w8m
acc6 = M.foldWithKey f acc5 w16m
acc7 = M.foldWithKey f acc6 w32m
acc8 = M.foldWithKey f acc7 w64m
acc9 = M.foldWithKey f acc8 fm
acc10 = M.foldWithKey f acc9 dm
in acc10
mapStreamableMaps :: forall s s'.
(forall a. Streamable a => Var -> s a -> s' a) ->
StreamableMaps s -> StreamableMaps s'
mapStreamableMaps f (SM bm i8m i16m i32m i64m w8m w16m w32m w64m fm dm) =
SM {
bMap = M.mapWithKey f bm,
i8Map = M.mapWithKey f i8m,
i16Map = M.mapWithKey f i16m,
i32Map = M.mapWithKey f i32m,
i64Map = M.mapWithKey f i64m,
w8Map = M.mapWithKey f w8m,
w16Map = M.mapWithKey f w16m,
w32Map = M.mapWithKey f w32m,
w64Map = M.mapWithKey f w64m,
fMap = M.mapWithKey f fm,
dMap = M.mapWithKey f dm
}
mapStreamableMapsM :: forall s s' m. Monad m =>
(Streamable a => Var -> s a -> m (s' a)) ->
StreamableMaps s -> m (StreamableMaps s')
mapStreamableMapsM f sm =
foldStreamableMaps (
\ v s sm'M -> do
sm' <- sm'M
s' <- f v s
return $ updateSubMap (\ m -> M.insert v s' m) sm'
) sm (return emptySM)
filterStreamableMaps ::
forall c b. StreamableMaps c -> [(A.Type, Var, b)] -> (StreamableMaps c, Bool)
filterStreamableMaps sm l =
let (sm2, l2) = foldStreamableMaps filterElem sm (emptySM, []) in
(sm2, (l' \\ nub l2) == [])
where
filterElem :: forall a. Streamable a => Var -> c a ->
(StreamableMaps c, [(A.Type, Var)]) ->
(StreamableMaps c, [(A.Type, Var)])
filterElem v s (sm', l2) =
let x = (atomType (unit::a), v) in
if x `elem` l'
then (updateSubMap (\m -> M.insert v s m) sm', x:l2)
else (sm', l2)
l' = nub $ map (\(x,y,_) -> (x,y)) l
data StreamableMaps a =
SM {
bMap :: M.Map Var (a Bool),
i8Map :: M.Map Var (a Int8),
i16Map :: M.Map Var (a Int16),
i32Map :: M.Map Var (a Int32),
i64Map :: M.Map Var (a Int64),
w8Map :: M.Map Var (a Word8),
w16Map :: M.Map Var (a Word16),
w32Map :: M.Map Var (a Word32),
w64Map :: M.Map Var (a Word64),
fMap :: M.Map Var (a Float),
dMap :: M.Map Var (a Double)
}
instance Monoid (StreamableMaps Spec) where
mempty = emptySM
mappend x y = overlap x y
instance Monoid LangElems where
mempty = LangElems emptySM emptySM M.empty
mappend (LangElems x y z) (LangElems x' y' z') =
LangElems (overlap x x') (overlap y y') (M.union z z')
overlap :: StreamableMaps s -> StreamableMaps s -> StreamableMaps s
overlap x@(SM bm i8m i16m i32m i64m w8m w16m w32m w64m fm dm)
y@(SM bm' i8m' i16m' i32m' i64m' w8m' w16m' w32m' w64m' fm' dm') =
let multDefs = (getVars x `intersect` getVars y)
in if null multDefs then union
else error $ "Copilot error: The variables "
++ show multDefs ++ " have multiple definitions."
where union = SM (M.union bm bm') (M.union i8m i8m') (M.union i16m i16m')
(M.union i32m i32m') (M.union i64m i64m') (M.union w8m w8m')
(M.union w16m w16m') (M.union w32m w32m') (M.union w64m w64m')
(M.union fm fm') (M.union dm dm')
getVars :: StreamableMaps s -> [Var]
getVars streams = foldStreamableMaps (\k _ ks -> k:ks) streams []
emptySM :: StreamableMaps a
emptySM = SM
{
bMap = M.empty,
i8Map = M.empty,
i16Map = M.empty,
i32Map = M.empty,
i64Map = M.empty,
w8Map = M.empty,
w16Map = M.empty,
w32Map = M.empty,
w64Map = M.empty,
fMap = M.empty,
dMap = M.empty
}
isEmptySM :: StreamableMaps a -> Bool
isEmptySM (SM bm i8m i16m i32m i64m w8m w16m w32m w64m fm dm) =
M.null bm &&
M.null i8m &&
M.null i16m &&
M.null i32m &&
M.null i64m &&
M.null w8m &&
M.null w16m &&
M.null w32m &&
M.null w64m &&
M.null fm &&
M.null dm
normalizeVar :: Var -> Var
normalizeVar v =
foldl (\ acc c -> acc ++ case c of
'.' -> "_"
'[' -> "_"
']' -> "_"
' ' -> "_"
_ -> [c])
"" v
type Vars = StreamableMaps []
instance Show a => Show (Spec a) where
show s = showIndented s 0
showIndented :: Spec a -> Int -> String
showIndented s n =
let tabs = concat $ replicate n " " in
tabs ++ showRaw s n
showRaw :: Spec a -> Int -> String
showRaw (PVar t v ph) _ = "PVar " ++ show t ++ " " ++ v ++ " " ++ show ph
showRaw (PArr t (v, idx) ph) _ =
"PArr " ++ show t ++ " (" ++ v ++ " ! (" ++ show idx ++ ")) " ++ show ph
showRaw (Var v) _ = "Var " ++ v
showRaw (Const e) _ = "Const " ++ show e
showRaw (F _ _ s0) n =
"F op? (\n" ++
showIndented s0 (n + 1) ++ "\n" ++
(concat $ replicate n " ") ++ ")"
showRaw (F2 _ _ s0 s1) n =
"F2 op? (\n" ++
showIndented s0 (n + 1) ++ "\n" ++
showIndented s1 (n + 1) ++ "\n" ++
(concat $ replicate n " ") ++ ")"
showRaw (F3 _ _ s0 s1 s2) n =
"F3 op? (\n" ++
showIndented s0 (n + 1) ++ "\n" ++
showIndented s1 (n + 1) ++ "\n" ++
showIndented s2 (n + 1) ++ "\n" ++
(concat $ replicate n " ") ++ ")"
showRaw (Append ls s0) n =
"Append " ++ show ls ++ " (\n" ++
showIndented s0 (n + 1) ++ "\n" ++
(concat $ replicate n " ") ++ ")"
showRaw (Drop i s0) n =
"Drop " ++ show i ++ " (\n" ++
showIndented s0 (n + 1) ++ "\n" ++
(concat $ replicate n " ") ++ ")"
makeTrigger :: StreamableMaps Spec -> ProphArrs -> TmpSamples -> Indexes
-> Trigger -> A.Atom () -> A.Atom ()
makeTrigger streams prophArrs tmpSamples outputIndexes
trigger@(Trigger s fnName (vars,args)) r =
do r
A.liftIO $ putStrLn ("len" ++ (show $ length vars))
(A.exactPhase 0 $ A.atom (show trigger) $
do A.cond (nextSt streams prophArrs tmpSamples outputIndexes s 0)
A.action (\ues -> fnName ++ "(" ++ unwords (intersperse "," ues) ++ ")")
(reorder vars []
(foldStreamableMaps
(\v argSpec ls -> (v,next argSpec):ls) args [])))
where next :: Streamable a => Spec a -> A.UE
next a = A.ue $ nextSt streams prophArrs
tmpSamples outputIndexes a 0
reorder [] acc _ = reverse $ snd (unzip acc)
reorder (v:vs) acc ls =
case lookup v ls of
Nothing -> error "Error in makeTrigger in Core.hs."
Just x -> let n = (v,x)
in reorder vs (n:acc) ls
type ArrIndex = Word64
type ProphArrs = StreamableMaps BoundedArray
type Outputs = StreamableMaps A.V
type Indexes = M.Map Var (A.V ArrIndex)
data PhasedValueVar a = PhV Phase (A.V a)
tmpVarName :: Var -> Phase -> Var
tmpVarName v ph = normalizeVar v ++ "_" ++ show ph
data PhasedValueArr a = PhA Phase (A.V a)
data PhasedValueIdx a = PhIdx (A.E a)
data TmpSamples =
TmpSamples { tmpVars :: StreamableMaps PhasedValueVar
, tmpArrs :: StreamableMaps PhasedValueArr
, tmpIdxs :: StreamableMaps PhasedValueIdx
}
emptyTmpSamples :: TmpSamples
emptyTmpSamples = TmpSamples emptySM emptySM emptySM
tmpArrName :: Var -> Phase -> String -> Var
tmpArrName v ph idx = (tmpVarName v ph) ++ "_" ++ normalizeVar idx
data BoundedArray a = B ArrIndex (Maybe (A.A a))
nextSt :: Streamable a => StreamableMaps Spec -> ProphArrs -> TmpSamples -> Indexes
-> Spec a -> ArrIndex -> A.E a
nextSt streams prophArrs tmpSamples outputIndexes s index =
case s of
PVar _ v ph ->
let PhV _ var = getElem (tmpVarName v ph) (tmpVars tmpSamples) in
A.value var
PArr _ (v, idx) ph ->
let PhA _ var = e tmp (tmpArrs tmpSamples)
tmp = tmpArrName v ph (show idx)
e a b = case getMaybeElem a b of
Nothing ->
error "Error in application of getElem in nextSt."
Just x -> x
in A.value var
Var v -> let B initLen maybeArr = getElem v prophArrs in
if index < initLen
then getVar v initLen maybeArr
else let s0 = getElem v streams in
next s0 (index initLen)
Const e -> A.Const e
F _ f s0 -> f $ next s0 index
F2 _ f s0 s1 ->
f (next s0 index)
(next s1 index)
F3 _ f s0 s1 s2 ->
f (next s0 index)
(next s1 index)
(next s2 index)
Append _ s0 -> next s0 index
Drop i s0 -> next s0 (fromInteger (toInteger i) + index)
where
next :: Streamable b => Spec b -> ArrIndex -> A.E b
next = nextSt streams prophArrs tmpSamples outputIndexes
getVar :: Streamable a
=> Var -> ArrIndex -> Maybe (A.A a) -> A.E a
getVar v initLen maybeArr =
let outputIndex = case M.lookup v outputIndexes of
Nothing -> error "Error in function getVar."
Just x -> x
arr = case maybeArr of
Nothing -> error "Error in function getVar (maybeArr)."
Just x -> x in
arr A.!. ((A.Const index + A.VRef outputIndex) `A.mod_`
(A.Const (initLen + 1)))