summaryrefslogtreecommitdiff
path: root/assignment-13/uFPL/Sim.icl
blob: d3dc9e3596e1358427dd9cef52294abc44dc7a8b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
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)