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implementation module uFPL.Sim
from Data.Func import $
import Data.Functor
import qualified Data.Map as M
import Data.Maybe
import Data.Tuple
from Text import <+
import Text.HTML
import iTasks
import uFPL
import uFPL.Bootstrap
import uFPL.C
derive class iTask UFPLException
instance toString UFPLException
where
toString (LiftException s) = "Lift exception: " +++ s
toString (NoShareException s) = "No such share: " +++ s
toString (WriteToROShare s) = "Write to RO share: " +++ s
derive class iTask Signedness, CType, ReadOrWrite, ISharedInt, ISharedUInt,
ISharedLong, ISharedULong, ISharedBool, IShares, IExpr, ITrigger, IRule,
INamedRule, IState
istate :: Shared IState
istate = sharedStore "istate" gDefault{|*|}
irules :: Shared [INamedRule]
irules = sharedStore "irules" []
ishares :: Shared IShares
ishares = sharedStore "ishares" gDefault{|*|}
getSharedInt :: ISharedRef -> Task ISharedInt
getSharedInt n = get ishares >>= \shrs -> case [shr \\ shr <- shrs.ishares | shr.iisname == n] of
[] -> throw (NoShareException n)
[s:_] -> return s
getSharedUInt :: ISharedRef -> Task ISharedUInt
getSharedUInt n = get ishares >>= \shrs -> case [shr \\ shr <- shrs.uishares | shr.iuisname == n] of
[] -> throw (NoShareException n)
[s:_] -> return s
getSharedLong :: ISharedRef -> Task ISharedLong
getSharedLong n = get ishares >>= \shrs -> case [shr \\ shr <- shrs.lshares | shr.ilsname == n] of
[] -> throw (NoShareException n)
[s:_] -> return s
getSharedULong :: ISharedRef -> Task ISharedULong
getSharedULong n = get ishares >>= \shrs -> case [shr \\ shr <- shrs.ulshares | shr.iulsname == n] of
[] -> throw (NoShareException n)
[s:_] -> return s
getSharedBool :: ISharedRef -> Task ISharedBool
getSharedBool n = get ishares >>= \shrs -> case [shr \\ shr <- shrs.bshares | shr.ibsname == n] of
[] -> throw (NoShareException n)
[s:_] -> return s
getShared :: ISharedRef -> Task Dynamic
getShared n =
catchAll (getSharedInt n >>= lift) \_ ->
catchAll (getSharedUInt n >>= lift) \_ ->
catchAll (getSharedLong n >>= lift) \_ ->
catchAll (getSharedULong n >>= lift) \_ ->
getSharedBool n >>= lift
instance lift [a] | lift a
where
lift xs = dynamicList <$> allTasks (map lift xs)
where
dynamicList :: [Dynamic] -> Dynamic
dynamicList ds = list (reverse ds) (dynamic [] :: A.a: [a])
where
list :: [Dynamic] Dynamic -> Dynamic
list [] d = d
list [(d :: t):r] (l :: [t]) = list r (dynamic [d:l])
instance unlift [a] [b] | unlift a b where unlift xs = map unlift xs
instance lift IExpr
where
lift (ILitInt i) = return (dynamic ELit i :: Expr Int RO)
lift (ILitBool b) = return (dynamic ELit b :: Expr Bool RO)
lift (ILitChar c) = return (dynamic ELit c :: Expr Char RO)
lift (IShared s) = getShared s >>= \s -> case s of (s :: UShared t rw) -> return (dynamic EShared s)
lift (IAdd a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a +. b :: Expr Int RO)
(a :: Expr Char rwa, b :: Expr Char rwb) -> return (dynamic a +. b :: Expr Char RO)
_ -> throw (LiftException "IAdd")
lift (ISub a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a -. b :: Expr Int RO)
(a :: Expr Char rwa, b :: Expr Char rwb) -> return (dynamic a -. b :: Expr Char RO)
_ -> throw (LiftException "ISub")
lift (IMul a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a *. b :: Expr Int RO)
_ -> throw (LiftException "IMul")
lift (IDiv a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a /. b :: Expr Int RO)
_ -> throw (LiftException "IDiv")
lift (IEq a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a ==. b :: Expr Bool RO)
(a :: Expr Char rwa, b :: Expr Char rwb) -> return (dynamic a ==. b :: Expr Bool RO)
(a :: Expr Bool rwa, b :: Expr Bool rwb) -> return (dynamic a ==. b :: Expr Bool RO)
_ -> throw (LiftException "IEq")
lift (ILt a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Int rwa, b :: Expr Int rwb) -> return (dynamic a <. b :: Expr Bool RO)
(a :: Expr Char rwa, b :: Expr Char rwb) -> return (dynamic a <. b :: Expr Bool RO)
_ -> throw (LiftException "ILt")
lift (IAnd a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Bool rwa, b :: Expr Bool rwb) -> return (dynamic a &&. b :: Expr Bool RO)
_ -> throw (LiftException "IAnd")
lift (IOr a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Expr Bool rwa, b :: Expr Bool rwb) -> return (dynamic a ||. b :: Expr Bool RO)
_ -> throw (LiftException "IOr")
lift (IIf b t e) = lift b >>= \b -> lift t >>= \t -> lift e >>= \e -> case (b,t,e) of
(b :: Expr Bool rwa, t :: Expr Int rwb, e :: Expr Int rwc) -> return (dynamic b ? (t,e) :: Expr Int RO)
(b :: Expr Bool rwa, t :: Expr Char rwb, e :: Expr Char rwc) -> return (dynamic b ? (t,e) :: Expr Char RO)
(b :: Expr Bool rwa, t :: Expr Bool rwb, e :: Expr Bool rwc) -> return (dynamic b ? (t,e) :: Expr Bool RO)
_ -> throw (LiftException "IIf")
instance unlift IExpr (Expr t rw) | Expr t
where
unlift (ELit v) = case dynamic v of
(i :: Int) -> ILitInt i
(c :: Char) -> ILitChar c
(b :: Bool) -> ILitBool b
unlift (EShared s) = IShared s.sname
unlift (a +. b) = IAdd (unlift a) (unlift b)
unlift (a -. b) = ISub (unlift a) (unlift b)
unlift (a *. b) = IMul (unlift a) (unlift b)
unlift (a /. b) = IDiv (unlift a) (unlift b)
unlift (EEq _ a b) = IEq (unlift a) (unlift b)
unlift (ELt _ a b) = ILt (unlift a) (unlift b)
unlift (EAnd _ a b) = IAnd (unlift a) (unlift b)
unlift (EOr _ a b) = IOr (unlift a) (unlift b)
unlift (EIf b t e) = IIf (unlift b) (unlift t) (unlift e)
instance lift ISharedInt
where
lift s = return case s.iisrw of
ReadOnly -> dynamic {sname=s.iisname, stype=CTInt Sig, sinit=s.iisinit, srepr=intmap} :: UShared Int RO
ReadWrite -> dynamic {sname=s.iisname, stype=CTInt Sig, sinit=s.iisinit, srepr=intmap} :: UShared Int RW
instance lift ISharedUInt
where
lift s = return case s.iuisrw of
ReadOnly -> dynamic {sname=s.iuisname, stype=CTInt Unsig, sinit=s.iuisinit, srepr=intmap} :: UShared Int RO
ReadWrite -> dynamic {sname=s.iuisname, stype=CTInt Unsig, sinit=s.iuisinit, srepr=intmap} :: UShared Int RW
instance lift ISharedLong
where
lift s = return case s.ilsrw of
ReadOnly -> dynamic {sname=s.ilsname, stype=CTLong Sig, sinit=s.ilsinit, srepr=longmap} :: UShared Int RO
ReadWrite -> dynamic {sname=s.ilsname, stype=CTLong Sig, sinit=s.ilsinit, srepr=longmap} :: UShared Int RW
instance lift ISharedULong
where
lift s = return case s.iulsrw of
ReadOnly -> dynamic {sname=s.iulsname, stype=CTLong Unsig, sinit=s.iulsinit, srepr=longmap} :: UShared Int RO
ReadWrite -> dynamic {sname=s.iulsname, stype=CTLong Unsig, sinit=s.iulsinit, srepr=longmap} :: UShared Int RW
instance lift ISharedBool
where
lift s = return case s.ibsrw of
ReadOnly -> dynamic {sname=s.ibsname, stype=CTBool, sinit=s.ibsinit, srepr=boolmap} :: UShared Bool RO
ReadWrite -> dynamic {sname=s.ibsname, stype=CTBool, sinit=s.ibsinit, srepr=boolmap} :: UShared Bool RW
// NOTE: Compiler doesn't allow instances for both RW and RO, so we assume everything is RW here...
instance unlift ISharedInt (UShared Int rw) where unlift s = {iisname =s.sname, iisinit =s.sinit, iisrw =ReadWrite}
instance unlift ISharedUInt (UShared Int rw) where unlift s = {iuisname=s.sname, iuisinit=s.sinit, iuisrw=ReadWrite}
instance unlift ISharedLong (UShared Int rw) where unlift s = {ilsname =s.sname, ilsinit =s.sinit, ilsrw =ReadWrite}
instance unlift ISharedULong (UShared Int rw) where unlift s = {iulsname=s.sname, iulsinit=s.sinit, iulsrw=ReadWrite}
instance unlift ISharedBool (UShared Bool rw) where unlift s = {ibsname =s.sname, ibsinit =s.sinit, ibsrw =ReadWrite}
instance lift ITrigger
where
lift (IChange s) = getShared s >>= \s -> case s of
(s :: UShared Int rw) -> return (dynamic Change (EShared s))
_ -> throw (LiftException "IChange")
lift (IBecomes s e) = getShared s >>= \s -> lift e >>= \e -> case (s,e) of
(s :: UShared Int rwa, e :: Expr Int rwb) -> return (dynamic EShared s ?= e)
_ -> throw (LiftException "IBecomes")
lift (ITAnd a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Trigger, b :: Trigger) -> return (dynamic a ?& b)
_ -> throw (LiftException "ITAnd")
lift (ITOr a b) = lift a >>= \a -> lift b >>= \b -> case (a,b) of
(a :: Trigger, b :: Trigger) -> return (dynamic a ?| b)
_ -> throw (LiftException "ITOr")
instance unlift ITrigger Trigger
where
unlift (Change (EShared s)) = IChange s.sname
unlift (EShared s ?= e) = IBecomes s.sname (unlift e)
unlift (a ?& b) = ITAnd (unlift a) (unlift b)
unlift (a ?| b) = ITOr (unlift a) (unlift b)
instance lift IRule
where
lift (IAssign s e) = getShared s >>= \s -> lift e >>= \e -> case (s,e) of
(s :: UShared Int RW, e :: Expr Int rw) -> return (dynamic EShared s <# e)
(s :: UShared Char RW, e :: Expr Char rw) -> return (dynamic EShared s <# e)
(s :: UShared Bool RW, e :: Expr Bool rw) -> return (dynamic EShared s <# e)
(s :: UShared t RO, _) -> throw (WriteToROShare s.sname)
(t :: UShared t rw, _ :: Expr u rwb) -> throw $ LiftException $
"IAssign: cannot assign " <+ typeCodeOfDynamic e <+
" to " <+ typeCodeOfDynamic s <+ " " <+ t.sname <+ "."
_ -> throw (LiftException "IAssign")
lift (IWhen e rs) = lift e >>= \e -> lift rs >>= \rs -> case (e,rs) of
(e :: Expr Bool rw, rs :: [Rule]) -> return (dynamic When e rs)
_ -> throw (LiftException "IWhen")
lift (ITrigger t rs) = lift t >>= \t -> lift rs >>= \rs -> case (t,rs) of
(t :: Trigger, rs :: [Rule]) -> return (dynamic t >>> rs)
_ -> throw (LiftException "IWhen")
lift (ISetCursor (c,r)) = lift c >>= \c -> lift r >>= \r -> case (c,r) of
(c :: Expr Int rwa, r :: Expr Int rwb) -> return (dynamic SetCursor (c,r))
_ -> throw (LiftException "ISetCursor")
lift (IPrint e) = lift e >>= \e -> case e of
(e :: Expr Int rw) -> return (dynamic Print e)
(e :: Expr Char rw) -> return (dynamic Print e)
(e :: Expr Bool rw) -> return (dynamic Print e)
_ -> throw (LiftException "IPrint")
instance unlift IRule Rule
where
unlift (EShared s <# e) = IAssign s.sname (unlift e)
unlift (When e rs) = IWhen (unlift e) (unlift rs)
unlift (t >>> rs) = ITrigger (unlift t) (unlift rs)
unlift (SetCursor (c,r)) = ISetCursor (unlift c, unlift r)
unlift (Print e) = IPrint (unlift e)
instance lift INamedRule
where
lift (Rule s rs) = lift rs >>= \rs -> case rs of
(rs :: [Rule]) -> return (dynamic s :=: rs)
instance unlift INamedRule NamedRule
where
unlift (s :=: rs) = case dynamic rs of
(r :: Rule) -> Rule s [unlift r]
(rs :: [Rule]) -> Rule s (unlift rs)
simulate :: [NamedRule] -> Task ()
simulate rs = setupShares >>| run $> ()
where
setupShares :: Task ()
setupShares =
set
{ ishares = [{iisname =n, iisinit =case i of (i :: Int) -> i, iisrw =ReadWrite} \\ (n,t,i) <- shrs | t=:(CTInt Sig)]
,uishares = [{iuisname=n, iuisinit=case i of (i :: Int) -> i, iuisrw=ReadWrite} \\ (n,t,i) <- shrs | t=:(CTInt Unsig)]
, lshares = [{ilsname =n, ilsinit =case l of (l :: Int) -> l, ilsrw =ReadWrite} \\ (n,t,l) <- shrs | t=:(CTLong Sig)]
,ulshares = [{iulsname=n, iulsinit=case l of (l :: Int) -> l, iulsrw=ReadWrite} \\ (n,t,l) <- shrs | t=:(CTLong Unsig)]
, bshares = [{ibsname =n, ibsinit =case b of (b :: Bool) -> b, ibsrw =ReadWrite} \\ (n,t,b) <- shrs | t=:CTBool]
} ishares >>|
set (unlift rs) irules $>
()
where
shrs :: [(String, CType, Dynamic)]
shrs = sharesMap (\shr -> (shr.sname,shr.stype,dynamic shr.sinit)) (allShares rs)
run =
(updateSharedInformation (Title "Rules") [] irules
-&&- updateSharedInformation (Title "Shares") [] ishares
) -&&-
(sim -&&- check)
<<@ ArrangeHorizontal
sim :: Task IState
sim = whileUnchanged (irules >*< ishares) (\(_,shrs) ->
newShares >>| viewSharedInformation (Title "State") [aslist] istate)
where
newShares :: Task IState
newShares = get ishares >>= \shrs -> upd (\is ->
{ is
& isvalues = alter (\s -> s.iisname) (\s -> s.iisinit) shrs.ishares is.isvalues
, uisvalues = alter (\s -> s.iuisname) (\s -> s.iuisinit) shrs.uishares is.uisvalues
, lsvalues = alter (\s -> s.ilsname) (\s -> s.ilsinit) shrs.lshares is.lsvalues
, ulsvalues = alter (\s -> s.iulsname) (\s -> s.iulsinit) shrs.ulshares is.ulsvalues
, bsvalues = alter (\s -> s.ibsname) (\s -> s.ibsinit) shrs.bshares is.bsvalues
}) istate
where
alter :: (a -> k) (a -> v) [a] ('M'.Map k v) -> 'M'.Map k v | Eq, < k
alter fn fv shrs vs = 'M'.filterWithKey (\k _ -> isMember k (map fn shrs)) $
foldr (uncurry 'M'.alter) vs
[(\v -> case v of Nothing -> Just (fv iis); v -> v, fn iis) \\ iis <- shrs]
aslist = ViewAs \ist ->
map (appSnd toString) ('M'.toList ist.isvalues) ++
map (appSnd toString) ('M'.toList ist.uisvalues) ++
map (appSnd toString) ('M'.toList ist.lsvalues) ++
map (appSnd toString) ('M'.toList ist.ulsvalues) ++
map (appSnd toString) ('M'.toList ist.bsvalues)
check :: Task String
check = whileUnchanged (irules >*< ishares) (\(rs,shrs) -> catchAll (lift rs >>| return "OK") return
>>= viewInformation (Title "Status")
[ViewUsing id $ viewComponent (\text -> 'M'.unions
[ valueAttr (JSONString (escapeStr text))
, styleAttr (if (text == "OK") "" "color:red;font-weight:bold;")
]) UITextView])
// From iTasks.UI.Editor.Controls
viewComponent toAttributes type = {Editor|genUI=genUI,onEdit=onEdit,onRefresh=onRefresh}
where
genUI dp val vst
= (Ok (uia type (toAttributes val), FieldMask {touched = False, valid = True, state = JSONNull}),vst)
onEdit dp (tp,e) val mask vst
= (Error "Edit event for view component",val,vst)
onRefresh dp new old mask vst
= case [SetAttribute nk nv \\ ((ok,ov),(nk,nv)) <- zip ('M'.toList (toAttributes old),'M'.toList (toAttributes new)) | ok == nk && ov =!= nv] of
[] = (Ok (NoChange,mask),new,vst)
changes = (Ok (ChangeUI changes [],mask),new,vst)
|