packages feed

Nomyx-Language 0.5.0 → 0.6.0

raw patch · 20 files changed

+262/−1384 lines, 20 filessetup-changed

Files

Nomyx-Language.cabal view
@@ -1,5 +1,5 @@ name: Nomyx-Language-version: 0.5.0+version: 0.6.0 cabal-version: >=1.6 ---Warning: to use "cabal sdist", this patch is needed in cabal: https://github.com/haskell/cabal/pull/1110 ---This allows cabal to work with exported generated modules (Paths_Nomyx_Language)@@ -53,12 +53,6 @@                      Language.Nomyx.Players                      Language.Nomyx.Rules                      Language.Nomyx.Vote-                     Language.Nomyx.Engine-                     Language.Nomyx.Engine.Evaluation-                     Language.Nomyx.Engine.Game-                     Language.Nomyx.Engine.GameEvents-                     Language.Nomyx.Engine.Test-                     Language.Nomyx.Engine.Utils                      Paths_Nomyx_Language     exposed: True     buildable: True@@ -67,5 +61,5 @@   source-repository head   type:              git-  location:          git://github.com/cdupont/Nomyx-Language.git+  location:          https://github.com/cdupont/Nomyx-Language.git 
README view
@@ -1,10 +1,8 @@-[![Build Status](https://travis-ci.org/cdupont/Nomyx-Language.png?branch=master)](https://travis-ci.org/cdupont/Nomyx-Language)-[![Hackage](https://budueba.com/hackage/Nomyx-Language)](https://hackage.haskell.org/package/Nomyx-Language)  Introduction ============ -This library is defining the language to express rules in Nomic.+This library is defining the language that allows you to express rules in Nomic.  Installation ============
− Setup.hs
@@ -1,2 +0,0 @@-import Distribution.Simple-main = defaultMain
+ Setup.lhs view
@@ -0,0 +1,6 @@+#!/usr/bin/runhaskell +> module Main where+> import Distribution.Simple+> main :: IO ()+> main = defaultMain+
src/Language/Nomyx.hs view
@@ -1,13 +1,21 @@ {-# LANGUAGE Trustworthy #-}  -- | This module re-exports the elements necessary to compose a Nomyx rule.-module Language.Nomyx (module X)  where+module Language.Nomyx (+   module Language.Nomyx.Expression,+   module Language.Nomyx.Outputs,+   module Language.Nomyx.Inputs,+   module Language.Nomyx.Events,+   module Language.Nomyx.Players,+   module Language.Nomyx.Variables,+   module Language.Nomyx.Rules,+   module Language.Nomyx.Vote)  where -import Language.Nomyx.Expression as X -- Nomyx Expression DSL-import Language.Nomyx.Outputs    as X -- create outputs-import Language.Nomyx.Inputs     as X -- create inputs-import Language.Nomyx.Events     as X -- create events-import Language.Nomyx.Players    as X -- manage players-import Language.Nomyx.Variables  as X -- create variables-import Language.Nomyx.Rules      as X -- manage rules-import Language.Nomyx.Vote       as X -- create votations+import Language.Nomyx.Expression -- Nomyx Expression DSL+import Language.Nomyx.Outputs    -- create outputs+import Language.Nomyx.Inputs     -- create inputs+import Language.Nomyx.Events     -- create events+import Language.Nomyx.Players    -- manage players+import Language.Nomyx.Variables  -- create variables+import Language.Nomyx.Rules      -- manage rules+import Language.Nomyx.Vote       -- create votations
− src/Language/Nomyx/Engine.hs
@@ -1,59 +0,0 @@---- | Warning: Nomyx internals (not required to compose rules and play the game)--- This module implements game engine.--- the module manages the effects of rules over each others.--- This module is not required-module Language.Nomyx.Engine(-   -- * Game management-   GameEvent(..),-   LoggedGame(..),-   GameName,-   Game(..),-   GameDesc(..),-   execGameEvent, execGameEvent',-   execWithGame, execWithGame',-   game,-   emptyGame,-   getLoggedGame,-   gameName,-   players,-   getVictorious,--   -- * Variables management-   Var(..),--   -- * Rules management-   SubmitRule(..),-   activeRules, pendingRules, rejectedRules,--   -- * Events management-   EventHandler(..),-   Status(..),-   getEventHandler,-   events,-   getChoiceEvents,-   getTextEvents,--   -- * Inputs management-   UInputData(..),--   -- * Outputs management-   Output(..),-   Log(..),-   evalOutput,-   isOutput,--   -- * Time-   getTimes,-   currentTime,--   -- * Misc-   tracePN,-   replaceWith-   ) where--import Language.Nomyx.Engine.Evaluation-import Language.Nomyx.Engine.Game-import Language.Nomyx.Engine.GameEvents-import Language.Nomyx.Engine.Utils-
− src/Language/Nomyx/Engine/Evaluation.hs
@@ -1,402 +0,0 @@-{-# LANGUAGE GADTs #-}-{-# LANGUAGE NamedFieldPuns #-}-{-# LANGUAGE ScopedTypeVariables #-}--module Language.Nomyx.Engine.Evaluation where--import Prelude hiding ((.), log)-import Control.Monad-import Control.Monad.State-import Control.Monad.Reader-import Data.List-import Data.Typeable-import Data.Function hiding ((.))-import Data.Time-import Data.Lens-import Data.Maybe-import Control.Category-import Control.Monad.Error (ErrorT(..))-import Control.Monad.Error.Class (MonadError(..))-import Control.Applicative ((<$>))-import Language.Nomyx.Expression-import Language.Nomyx.Engine.Game-import Language.Nomyx.Engine.Utils---type Evaluate a = ErrorT String (State Game) a---- an untyped version of InputData for serialization-data UInputData = URadioData Int-                | UCheckboxData [Int]-                | UTextData String-                | UTextAreaData String-                | UButtonData-                  deriving (Show, Read, Eq, Ord)---- | evaluate an expression.--- The rule number passed is the number of the rule containing the expression.-evalNomex :: Nomex a -> RuleNumber -> Evaluate a-evalNomex (NewVar name def) rn = do-   vars <- access variables-   case find ((== name) . getL vName) vars of-      Nothing -> do-         variables %= (Var rn name def : )-         return $ Just (V name)-      Just _ -> return Nothing--evalNomex (DelVar (V name)) _ = do-   vars <- access variables-   case find ((== name) . getL vName) vars of-      Nothing -> return False-      Just _ -> do-         variables %= filter ((/= name) . getL vName)-         return True--evalNomex (WriteVar (V name) val) _ = do-   vars <- access variables-   case find (\(Var _ myName _) -> myName == name) vars of-      Nothing -> return False-      Just (Var rn myName _) -> do-         variables %= replaceWith ((== name) . getL vName) (Var rn myName val)-         return True--evalNomex (OnEvent event handler) rn = do-   evs <- access events-   let en = getFreeNumber (map _eventNumber evs)-   events %= (EH en rn event handler SActive : )-   return en--evalNomex (DelEvent en) _ = evDelEvent en--evalNomex (DelAllEvents e) _ = do-   evs <- access events-   let filtered = filter (\EH {event} -> event === e) evs-   mapM_ evDelEvent (_eventNumber <$> filtered)--evalNomex (SendMessage (Message id) myData) _ = triggerEvent_ (Message id) (MessageData myData)--evalNomex (NewOutput pn s)      rn = evNewOutput pn rn s-evalNomex (UpdateOutput on s)   _  = evUpdateOutput on s-evalNomex (DelOutput on)        _  = evDelOutput on-evalNomex (ProposeRule rule)    _  = evProposeRule rule-evalNomex (ActivateRule rule)   rn = evActivateRule rule rn-evalNomex (RejectRule rule)     rn = evRejectRule rule rn-evalNomex (AddRule rule)        _  = evAddRule rule-evalNomex (ModifyRule mod rule) _  = evModifyRule mod rule-evalNomex (SetPlayerName pn n)  _  = evChangeName pn n-evalNomex (DelPlayer pn)        _  = evDelPlayer pn-evalNomex (LiftEffect e)        pn = liftEval $ evalNomexNE e pn---evalNomex (ThrowError s)        _  = throwError s-evalNomex (CatchError n h)      rn = catchError (evalNomex n rn) (\a -> evalNomex (h a) rn)-evalNomex (SetVictory ps)       rn = do-   void $ victory ~= (Just $ VictoryCond rn ps)-   triggerEvent_ Victory (VictoryData $ VictoryCond rn ps)--evalNomex (Return a)            _  = return a-evalNomex (Bind exp f) rn = do-   e <- evalNomex exp rn-   evalNomex (f e) rn--liftEval :: Reader Game a -> Evaluate a-liftEval r = runReader r <$> get--evalNomexNE :: NomexNE a -> RuleNumber -> Reader Game a-evalNomexNE (ReadVar (V name)) _ = do-   vars <- asks _variables-   let var = find ((== name) . getL vName) vars-   case var of-      Nothing -> return Nothing-      Just (Var _ _ val) -> case cast val of-          Just v -> return $ Just v-          Nothing -> return Nothing--evalNomexNE (GetOutput on)        _  = evGetOutput on-evalNomexNE GetRules              _  = asks _rules-evalNomexNE GetPlayers            _  = asks _players-evalNomexNE SelfRuleNumber        rn = return rn-evalNomexNE (CurrentTime)         _  = asks _currentTime-evalNomexNE (Return a)            _  = return a-evalNomexNE (Bind exp f) rn = do-   e <- evalNomexNE exp rn-   evalNomexNE (f e) rn--evalNomexNE (Simu sim ev) rn = do-   let s = runEvalError Nothing (evalNomex sim rn)-   g <- ask-   let g' = execState s g-   return $ runReader (evalNomexNE ev rn) g'--getVictorious :: Game -> [PlayerNumber]-getVictorious g = case _victory g of-   Nothing -> []-   Just (VictoryCond rn v) -> runReader (evalNomexNE v rn) g--evalOutput :: Game -> Output -> String-evalOutput g (Output _ rn _ o _) = runReader (evalNomexNE o rn) g--allOutputs :: Game -> [String]-allOutputs g = map (evalOutput g) (_outputs g)--isOutput :: String -> Game -> Bool-isOutput s g = s `elem` allOutputs g----execute all the handlers of the specified event with the given data-triggerEvent :: (Typeable e) => Event e -> EventData e -> Evaluate Bool-triggerEvent e dat = do-   evs <- access events-   let filtered = filter (\(EH {event, _evStatus}) -> e === event && _evStatus == SActive) (reverse evs)-   case filtered of-      [] -> return False-      xs -> do-         mapM_ (triggerHandler dat) xs-         return True---triggerHandler :: (Typeable e) => EventData e -> EventHandler -> Evaluate ()-triggerHandler dat (EH {_ruleNumber, _eventNumber, handler}) = case cast handler of-    Just castedH -> do-       let (exp :: Nomex ()) = castedH (_eventNumber, dat)-       (evalNomex exp _ruleNumber) `catchError` (errorHandler _ruleNumber _eventNumber)-    Nothing -> logAll ("failed " ++ (show $ typeOf handler))--triggerEvent_ :: (Typeable e) => Event e -> EventData e -> Evaluate ()-triggerEvent_ e ed = void $ triggerEvent e ed--errorHandler :: RuleNumber -> EventNumber -> String -> Evaluate ()-errorHandler rn en s = logAll $ "Error in rule " ++ show rn ++ " (triggered by event " ++ show en ++ "): " ++ s---- trigger the input event with the input data-triggerInput :: EventNumber -> UInputData -> Evaluate ()-triggerInput en ir = do-   evs <- access events-   let filtered = filter ((== en) . getL eventNumber) evs-   mapM_ (execInputHandler ir) filtered----- execute the event handler using the data received from user-execInputHandler :: UInputData -> EventHandler -> Evaluate ()-execInputHandler (UTextData s)      (EH en rn (InputEv (Input _ _ Text))          h SActive) = evalNomex (h (en, InputData $ TextData s)) rn-execInputHandler (UTextAreaData s)  (EH en rn (InputEv (Input _ _ TextArea))      h SActive) = evalNomex (h (en, InputData $ TextAreaData s)) rn-execInputHandler (UButtonData)      (EH en rn (InputEv (Input _ _ Button))        h SActive) = evalNomex (h (en, InputData $ ButtonData)) rn-execInputHandler (URadioData i)     (EH en rn (InputEv (Input _ _ (Radio cs)))    h SActive) = evalNomex (h (en, InputData $ RadioData $ fst $ cs!!i)) rn-execInputHandler (UCheckboxData is) (EH en rn (InputEv (Input _ _ (Checkbox cs))) h SActive) = evalNomex (h (en, InputData $ CheckboxData $ fst <$> cs `sel` is)) rn-execInputHandler _ _ = return ()--findEvent :: EventNumber -> [EventHandler] -> Maybe EventHandler-findEvent en = find ((== en) . getL eventNumber)----Get all event numbers of type choice (radio button)-getChoiceEvents :: State Game [EventNumber]-getChoiceEvents = do-   evs <- access events-   return $ map _eventNumber $ filter choiceEvent evs-   where choiceEvent (EH _ _ (InputEv (Input _ _ (Radio _))) _ _) = True-         choiceEvent _ = False----Get all event numbers of type text (text field)-getTextEvents :: State Game [EventNumber]-getTextEvents = do-   evs <- access events-   return $ map _eventNumber $ filter choiceEvent evs-   where choiceEvent (EH _ _ (InputEv (Input _ _ Text)) _ _) = True-         choiceEvent _ = False--evProposeRule :: RuleInfo -> Evaluate Bool-evProposeRule rule = do-   rs <- access rules-   case find ((== (rNumber ^$ rule)) . getL rNumber) rs of-      Nothing -> do-         rules %= (rule:)-         triggerEvent_ (RuleEv Proposed) (RuleData rule)-         return True-      Just _ -> return False----Sets the rule status to Active and execute it if possible-evActivateRule :: RuleNumber -> RuleNumber -> Evaluate Bool-evActivateRule rn by = do-   rs <- access rules-   case find (\r -> _rNumber r == rn && _rStatus r /= Active) rs of-      Nothing -> return False-      Just r -> do-         let newrules = replaceWith ((== rn) . getL rNumber) r{_rStatus = Active, _rAssessedBy = Just by} rs-         rules ~= newrules-         --execute the rule-         evalNomex (_rRule r) rn-         triggerEvent_ (RuleEv Activated) (RuleData r)-         return True--evRejectRule :: RuleNumber -> RuleNumber -> Evaluate Bool-evRejectRule rn by = do-   rs <- access rules-   case find (\r -> _rNumber r == rn && _rStatus r /= Reject) rs of-      Nothing -> return False-      Just r -> do-         let newrules = replaceWith ((== rn) . getL rNumber) r{_rStatus = Reject, _rAssessedBy = Just by} rs-         rules ~= newrules-         triggerEvent_ (RuleEv Rejected) (RuleData r)-         delVarsRule rn-         delEventsRule rn-         delOutputsRule rn-         return True--evAddRule :: RuleInfo -> Evaluate Bool-evAddRule rule = do-   rs <- access rules-   case find ((== (rNumber ^$ rule)) . getL rNumber) rs of-      Nothing -> do-         rules %= (rule:)-         triggerEvent_ (RuleEv Added) (RuleData rule)-         return True-      Just _ -> return False-----TODO: clean and execute new rule-evModifyRule :: RuleNumber -> RuleInfo -> Evaluate Bool-evModifyRule mod rule = do-   rs <- access rules-   let newRules = replaceWith ((== mod) . getL rNumber) rule rs-   case find ((== mod) . getL rNumber) rs of-      Nothing -> return False-      Just r ->  do-         rules ~= newRules-         triggerEvent_ (RuleEv Modified) (RuleData r)-         return True--addPlayer :: PlayerInfo -> Evaluate Bool-addPlayer pi = do-   pls <- access players-   let exists = any (((==) `on` _playerNumber) pi) pls-   unless exists $ do-       players %= (pi:)-       triggerEvent_ (Player Arrive) (PlayerData pi)-   return $ not exists--evDelPlayer :: PlayerNumber -> Evaluate Bool-evDelPlayer pn = do-   g <- get-   case find ((== pn) . getL playerNumber) (_players g) of-      Nothing -> do-         tracePN pn "not in game!"-         return False-      Just pi -> do-         players %= filter ((/= pn) . getL playerNumber)-         triggerEvent_ (Player Leave) (PlayerData pi)-         tracePN pn $ "leaving the game: " ++ _gameName g-         return True--evChangeName :: PlayerNumber -> PlayerName -> Evaluate Bool-evChangeName pn name = do-   pls <- access players-   case find ((== pn) . getL playerNumber) pls of-      Nothing -> return False-      Just pi -> do-         players ~= replaceWith ((== pn) . getL playerNumber) (pi {_playerName = name}) pls-         return True--evDelEvent :: EventNumber -> Evaluate Bool-evDelEvent en = do-   evs <- access events-   case find ((== en) . getL eventNumber) evs of-      Nothing -> return False-      Just eh -> case _evStatus eh of-         SActive -> do-            let newEvents = replaceWith ((== en) . getL eventNumber) eh{_evStatus = SDeleted} evs-            events ~= newEvents-            return True-         SDeleted -> return False---evTriggerTime :: UTCTime -> Evaluate Bool-evTriggerTime t = triggerEvent (Time t) (TimeData t)-----delete all variables of a rule-delVarsRule :: RuleNumber -> Evaluate ()-delVarsRule rn = void $ variables %= filter ((/= rn) . getL vRuleNumber)----delete all events of a rule-delEventsRule :: RuleNumber -> Evaluate ()-delEventsRule rn = do-   evs <- access events-   let toDelete = filter ((== rn) . getL ruleNumber) evs-   mapM_ (evDelEvent . _eventNumber) toDelete----delete all outputs of a rule-delOutputsRule :: RuleNumber -> Evaluate ()-delOutputsRule rn = do-   os <- access outputs-   let toDelete = filter ((== rn) . getL oRuleNumber) os-   mapM_ (evDelOutput . _outputNumber) toDelete--evNewOutput :: Maybe PlayerNumber -> RuleNumber -> NomexNE String -> Evaluate OutputNumber-evNewOutput pn rn s = do-   ops <- access outputs-   let on = getFreeNumber (map _outputNumber ops)-   outputs %= (Output on rn pn s SActive : )-   return on--evGetOutput :: OutputNumber -> Reader Game (Maybe String)-evGetOutput on = do-   ops <- asks _outputs-   case find (\(Output myOn _ _ _ s) -> myOn == on && s == SActive) ops of-      Nothing -> return Nothing-      Just (Output _ rn _ o _) -> do-         out <- evalNomexNE o rn-         return $ Just out--evUpdateOutput :: OutputNumber -> NomexNE String -> Evaluate Bool-evUpdateOutput on s = do-   ops <- access outputs-   case find (\(Output myOn _ _ _ s) -> myOn == on && s == SActive) ops of-      Nothing -> return False-      Just (Output _ rn pn _ _) -> do-         outputs %= replaceWith ((== on) . getL outputNumber) (Output on rn pn s SActive)-         return True--evDelOutput :: OutputNumber -> Evaluate Bool-evDelOutput on = do-   ops <- access outputs-   case find ((== on) . getL outputNumber) ops of-      Nothing -> return False-      Just o -> case _oStatus o of-         SActive -> do-            let newOutputs = replaceWith ((== on) . getL outputNumber) o{_oStatus = SDeleted} ops-            outputs ~= newOutputs-            return True-         SDeleted -> return False--logPlayer :: PlayerNumber -> String -> Evaluate ()-logPlayer pn = log (Just pn)--logAll :: String -> Evaluate ()-logAll = log Nothing--log :: Maybe PlayerNumber -> String -> Evaluate ()-log mpn s = do-   time <- access currentTime-   void $ logs %= (Log mpn time s : )----remove the ErrorT layer from the Evaluate monad stack.-runEvalError :: Maybe PlayerNumber -> Evaluate a -> State Game ()-runEvalError pn egs = do-   e <- runErrorT egs-   case e of-      Right _ -> return ()-      Left e -> do-         tracePN (fromMaybe 0 pn) $ "Error: " ++ e-         void $ runErrorT $ log pn "Error: "---- | Show instance for Game--- showing a game involves evaluating some parts (such as victory and outputs)-instance Show Game where-   show g@(Game { _gameName, _rules, _players, _variables, _events, _victory, _currentTime}) =-        "Game Name = "      ++ show _gameName ++-        "\n Rules = "       ++ (intercalate "\n " $ map show _rules) ++-        "\n Players = "     ++ show _players ++-        "\n Variables = "   ++ show _variables ++-        "\n Events = "      ++ show _events ++-        "\n Outputs = "     ++ show (allOutputs g) ++-        "\n Victory = "     ++ show (getVictorious g) ++-        "\n currentTime = " ++ show _currentTime ++ "\n"
− src/Language/Nomyx/Engine/Game.hs
@@ -1,112 +0,0 @@-{-# LANGUAGE GADTs #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE ScopedTypeVariables #-}-{-# LANGUAGE NamedFieldPuns #-}-{-# LANGUAGE DeriveDataTypeable #-}---- | This module implements game engine (for the nomyx language, see Language.Nomyx)-module Language.Nomyx.Engine.Game where--import Prelude hiding (log)-import Language.Nomyx.Expression-import Data.Lens.Template-import Data.Time-import Data.Typeable-import Data.Data---- * Game--type GameName = String---- | The state of the game:-data Game = Game { _gameName    :: GameName,-                   _gameDesc    :: GameDesc,-                   _rules       :: [RuleInfo],-                   _players     :: [PlayerInfo],-                   _variables   :: [Var],-                   _events      :: [EventHandler],-                   _outputs     :: [Output],-                   _victory     :: Maybe VictoryCond,-                   _logs        :: [Log],-                   _currentTime :: UTCTime}-                   deriving (Typeable)--data GameDesc = GameDesc { _desc :: String, _agora :: String} deriving (Eq, Show, Read, Ord)--instance Eq Game where-   (Game {_gameName=gn1}) == (Game {_gameName=gn2}) = gn1 == gn2--instance Ord Game where-   compare (Game {_gameName=gn1}) (Game {_gameName=gn2}) = compare gn1 gn2--emptyGame name desc date = Game {-    _gameName      = name,-    _gameDesc      = desc,-    _rules         = [],-    _players       = [],-    _variables     = [],-    _events        = [],-    _outputs       = [],-    _victory       = Nothing,-    _logs          = [],-    _currentTime   = date}----- * Variables---- | stores the variable's data-data Var = forall a . (Typeable a, Show a) =>-        Var { _vRuleNumber :: RuleNumber,-              _vName       :: String,-              vData        :: a}--instance Show Var where-    show (Var a b c) = "Rule number = " ++ (show a) ++ ", Name = " ++ (show b) ++ ", Value = " ++ (show c) ++ "\n"---- * Events--data EventHandler where-    EH :: (Typeable e) =>-        {_eventNumber :: EventNumber,-         _ruleNumber  :: RuleNumber,-         event        :: Event e,-         handler      :: (EventNumber, EventData e) -> Nomex (),-         _evStatus    :: Status} -> EventHandler--data Status = SActive | SDeleted deriving (Eq, Show)--instance Show EventHandler where-    show (EH en rn e _ s) = (show en) ++ " " ++ (show rn) ++ " (" ++ (show e) ++"), status = " ++ (show s)--instance Eq EventHandler where-    (EH {_eventNumber=e1}) == (EH {_eventNumber=e2}) = e1 == e2--instance Ord EventHandler where-    (EH {_eventNumber=e1}) <= (EH {_eventNumber=e2}) = e1 <= e2----- * Outputs--data Output = Output { _outputNumber  :: OutputNumber,         -- number of the output-                       _oRuleNumber   :: RuleNumber,           -- rule that triggered the output-                       _oPlayerNumber :: (Maybe PlayerNumber), -- player to display the output to (Nothing means display to all players)-                       _output        :: NomexNE String,       -- output string-                       _oStatus       :: Status}               -- status of the output-                       deriving (Show)---- * Logs--data Log = Log { _lPlayerNumber :: Maybe PlayerNumber,-                 _lTime         :: UTCTime,-                 _lMsg          :: String}-                 deriving (Show)---- * Rules--data SubmitRule = SubmitRule RuleName RuleDesc RuleCode deriving (Show, Read, Eq, Ord, Data, Typeable)---$( makeLenses [''Game, ''GameDesc, ''EventHandler, ''Var, ''Output] )---
− src/Language/Nomyx/Engine/GameEvents.hs
@@ -1,193 +0,0 @@-{-# LANGUAGE GADTs #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE DoAndIfThenElse #-}---- | This module implements the events that can affect a game.-module Language.Nomyx.Engine.GameEvents where--import Prelude hiding (log)-import Control.Monad.State-import Data.List-import Language.Nomyx.Expression-import Language.Nomyx.Engine.Evaluation-import Language.Nomyx.Engine.Game-import Language.Nomyx.Engine.Utils-import Data.Lens-import Control.Category ((>>>))-import Data.Lens.Template-import Control.Exception as E-import Data.Maybe-import Data.Time----- | a list of possible events affecting a game-data GameEvent = GameSettings      GameName GameDesc UTCTime-               | JoinGame          PlayerNumber PlayerName-               | LeaveGame         PlayerNumber-               | ProposeRuleEv     PlayerNumber SubmitRule-               | InputResult       PlayerNumber EventNumber UInputData-               | GLog              (Maybe PlayerNumber) String-               | TimeEvent         UTCTime-               | SystemAddRule     SubmitRule-                 deriving (Show, Read, Eq, Ord)--data TimedEvent = TimedEvent UTCTime GameEvent deriving (Show, Read, Eq, Ord)---- | A game being non serializable, we have to store events in parralel in order to rebuild the state latter.-data LoggedGame = LoggedGame { _game :: Game,-                               _gameLog :: [TimedEvent]}-                               deriving (Show)--instance Eq LoggedGame where-   (LoggedGame {_game=g1}) == (LoggedGame {_game=g2}) = g1 == g2--instance Ord LoggedGame where-   compare (LoggedGame {_game=g1}) (LoggedGame {_game=g2}) = compare g1 g2--$( makeLens ''LoggedGame)---- | perform a game event-enactEvent :: GameEvent -> Maybe (RuleCode -> IO Rule) -> StateT Game IO ()-enactEvent (GameSettings name desc date) _    = mapStateIO $ gameSettings name desc date-enactEvent (JoinGame pn name) _               = mapStateIO $ joinGame name pn-enactEvent (LeaveGame pn) _                   = mapStateIO $ leaveGame pn-enactEvent (ProposeRuleEv pn sr) (Just inter) = void $ proposeRule sr pn inter-enactEvent (InputResult pn en ir) _           = mapStateIO $ inputResult pn en ir-enactEvent (GLog mpn s) _                     = mapStateIO $ logGame s mpn-enactEvent (TimeEvent t) _                    = mapStateIO $ runEvalError Nothing $ void $ evTriggerTime t-enactEvent (SystemAddRule r) (Just inter)     = systemAddRule r inter-enactEvent (ProposeRuleEv _ _) Nothing        = error "ProposeRuleEv: interpreter function needed"-enactEvent (SystemAddRule _) Nothing          = error "SystemAddRule: interpreter function needed"--enactTimedEvent :: Maybe (RuleCode -> IO Rule) -> TimedEvent -> StateT Game IO ()-enactTimedEvent inter (TimedEvent t ge) = flip stateCatch updateError $ do-   currentTime ~= t-   enactEvent ge inter-   lg <- get-   lift $ evaluate lg-   return ()--updateError :: SomeException -> StateT Game IO ()-updateError e = do-   liftIO $ putStrLn $ "IO error: " ++ show e-   mapStateIO $ logGame ("IO error: " ++ show e) Nothing--execGameEvent :: GameEvent -> StateT LoggedGame IO ()-execGameEvent = execGameEvent' Nothing--execGameEvent' :: Maybe (RuleCode -> IO Rule) -> GameEvent -> StateT LoggedGame IO ()-execGameEvent' inter ge = do-   t <- access $ game >>> currentTime-   let te = TimedEvent t ge-   gameLog %= \gl -> gl ++ [te]-   focus game $ enactTimedEvent inter te--getLoggedGame :: Game -> (RuleCode -> IO Rule) -> [TimedEvent] -> IO LoggedGame-getLoggedGame g mInter tes = do-   let a = mapM_ (enactTimedEvent (Just mInter)) tes-   g' <- execStateT a g-   return $ LoggedGame g' tes----- | initialize the game.-gameSettings :: GameName -> GameDesc -> UTCTime -> State Game ()-gameSettings name desc date = do-   gameName ~= name-   gameDesc ~= desc-   currentTime ~= date-   return ()----- | join the game.-joinGame :: PlayerName -> PlayerNumber -> State Game ()-joinGame name pn = do-   g <- get-   case find ((== pn) . getL playerNumber) (_players g) of-      Just _ -> return ()-      Nothing -> do-         tracePN pn $ "Joining game: " ++ _gameName g-         let player = PlayerInfo { _playerNumber = pn, _playerName = name, _playAs = Nothing}-         players %= (player : )-         runEvalError (Just pn) $ triggerEvent_ (Player Arrive) (PlayerData player)----- | leave the game.-leaveGame :: PlayerNumber -> State Game ()-leaveGame pn = runEvalError (Just pn) $ void $ evDelPlayer pn---- | insert a rule in pending rules.-proposeRule :: SubmitRule -> PlayerNumber -> (RuleCode -> IO Rule) -> StateT Game IO ()-proposeRule sr pn inter = do-   rule <- createRule sr pn inter-   mapStateIO $ runEvalError (Just pn) $ do-      r <- evProposeRule rule-      tracePN pn $ if r then "Your rule has been added to pending rules."-                        else "Error: Rule could not be proposed"---- | add a rule forcefully (no votes etc.)-systemAddRule :: SubmitRule -> (RuleCode -> IO Rule) -> StateT Game IO ()-systemAddRule sr inter = do-   rule <- createRule sr 0 inter-   let sysRule = (rStatus ^= Active) >>> (rAssessedBy ^= Just 0)-   rules %= (sysRule rule : )-   mapStateIO $ runEvalError (Just 0) $ void $ evalNomex (_rRule rule) (_rNumber rule)---- | insert a log message.-logGame :: String -> Maybe PlayerNumber -> State Game ()-logGame s mpn = do-   time <- access currentTime-   void $ logs %= (Log mpn time s : )---- | the user has provided an input result--- TODO: this is relying on the EventNumber, which may change at all time-inputResult :: PlayerNumber -> EventNumber -> UInputData -> State Game ()-inputResult pn en ir = do-   tracePN pn $ "input result: Event " ++ show en ++ ", choice " ++ show ir-   runEvalError (Just pn) $ triggerInput en ir---getEventHandler :: EventNumber -> LoggedGame -> EventHandler-getEventHandler en g = fromJust $ findEvent en (_events $ _game g)---getTimes :: EventHandler -> Maybe UTCTime-getTimes (EH _ _ (Time t) _ SActive) = Just t-getTimes _ = Nothing---- | A helper function to use the state transformer GameState.--- It additionally sets the current time.-execWithGame :: UTCTime -> State LoggedGame () -> LoggedGame -> LoggedGame-execWithGame t gs g = execState gs $ (game >>> currentTime) `setL` t $ g--execWithGame' :: UTCTime -> StateT LoggedGame IO () -> LoggedGame -> IO LoggedGame-execWithGame' t gs g = execStateT gs ((game >>> currentTime) `setL` t $ g)---activeRules :: Game -> [RuleInfo]-activeRules = sort . filter ((==Active) . getL rStatus) . _rules--pendingRules :: Game -> [RuleInfo]-pendingRules = sort . filter ((==Pending) . getL rStatus) . _rules--rejectedRules :: Game -> [RuleInfo]-rejectedRules = sort . filter ((==Reject) . getL rStatus) . _rules---createRule :: SubmitRule -> PlayerNumber -> (RuleCode -> IO Rule) -> StateT Game IO RuleInfo-createRule (SubmitRule name desc code) pn inter = do-   rs <- access rules-   let rn = getFreeNumber $ map _rNumber rs-   rf <- lift $ inter code-   tracePN pn $ "Creating rule n=" ++ show rn ++ " code=" ++ code-   return RuleInfo {_rNumber = rn,-                    _rName = name,-                    _rDescription = desc,-                    _rProposedBy = pn,-                    _rRuleCode = code,-                    _rRule = rf,-                    _rStatus = Pending,-                    _rAssessedBy = Nothing}--stateCatch :: Exception e => StateT Game IO a -> (e -> StateT Game IO a) -> StateT Game IO a-stateCatch m h = StateT $ \s -> runStateT m s `E.catch` \e -> runStateT (h e) s-
− src/Language/Nomyx/Engine/Test.hs
@@ -1,321 +0,0 @@-{-# LANGUAGE ScopedTypeVariables #-}-{-# LANGUAGE DeriveDataTypeable #-}-{-# LANGUAGE GADTs #-}--module Language.Nomyx.Engine.Test where--import Language.Nomyx.Expression-import Language.Nomyx.Variables-import Language.Nomyx.Rules-import Language.Nomyx.Events-import Language.Nomyx.Outputs-import Language.Nomyx.Inputs-import Language.Nomyx.Vote-import Language.Nomyx.Examples-import Language.Nomyx.Engine.Evaluation-import Language.Nomyx.Engine.Game-import Language.Nomyx.Engine.Utils-import Control.Monad.State-import Data.Typeable---date1 = parse822Time "Tue, 02 Sep 1997 09:00:00 -0400"-date2 = parse822Time "Tue, 02 Sep 1997 10:00:00 -0400"-date3 = parse822Time "Tue, 02 Sep 1997 11:00:00 -0400"--testGame = Game { _gameName      = "test",-                  _gameDesc      = GameDesc "test" "test",-                  _rules         = [],-                  _players       = [PlayerInfo 1 "coco" Nothing],-                  _variables     = [],-                  _events        = [],-                  _outputs       = [],-                  _victory       = Nothing,-                  _logs          = [],-                  _currentTime   = date1}--testRule = RuleInfo  { _rNumber       = 0,-                      _rName         = "test",-                      _rDescription  = "test",-                      _rProposedBy   = 0,-                      _rRuleCode     = "",-                      _rRule         = return (),-                      _rStatus       = Pending,-                      _rAssessedBy   = Nothing}--evalRuleFunc f = evalState (runEvalError Nothing $ evalNomex f 0) testGame-execRuleFuncEvent f e d = execState (runEvalError Nothing $ evalNomex f 0 >> triggerEvent_ e d) testGame-execRuleFuncGame f g = execState (runEvalError Nothing $ void $ evalNomex f 0) g-execRuleFuncEventGame f e d g = execState (runEvalError Nothing $ evalNomex f 0 >> (triggerEvent_ e d)) g-execRuleFunc f = execRuleFuncGame f testGame--addActivateRule :: Rule -> RuleNumber -> Evaluate ()-addActivateRule rf rn = do-   let rule = testRule {_rName = "testRule", _rRule = rf, _rNumber = rn, _rStatus = Pending}-   evAddRule rule-   evActivateRule (_rNumber rule) 0-   return ()--tests = [("test var 1", testVarEx1),-         ("test var 2", testVarEx2),-         ("test var 3", testVarEx3),-         ("test var 4", testVarEx4),-         ("test var 5", testVarEx5),-         ("test single input", testSingleInputEx),-         ("test multiple input", testMultipleInputsEx),-         ("test input string", testInputStringEx),-         ("test send messsage", testSendMessageEx),-         ("test send message 2", testSendMessageEx2),-         ("test user input write", testUserInputWriteEx),-         ("test activate rule", testActivateRuleEx),-         ("test auto activate", testAutoActivateEx),-         --("test meta rules vote", testApplicationMetaRuleEx),-         ("test time event", testTimeEventEx),-         ("test time event 2", testTimeEventEx2),-         ("test delete rule", testDeleteRuleEx1),-         ("test victory rule", testVictoryEx1),-         ("test assess on vote complete 1", testVoteAssessOnVoteComplete1),-         ("test assess on vote complete 2", testVoteAssessOnVoteComplete2),-         ("test assess on every vote 1", testVoteAssessOnEveryVote1),-         ("test assess on every vote 2", testVoteAssessOnEveryVote2),-         ("test assess on every vote 3", testVoteAssessOnEveryVote3),-         ("test assess on every vote 4", testVoteAssessOnEveryVote4),-         ("test majority with", testVoteMajorityWith),-         ("test number positive votes", testVoteNumberPositiveVotes),-         ("test vote with quorum 1", testVoteWithQuorum1),-         ("test vote with quorum 2", testVoteWithQuorum2),-         ("test assess on time limit 1", testVoteAssessOnTimeLimit1),-         ("test assess on time limit 2", testVoteAssessOnTimeLimit2),-         ("test assess on time limit 3", testVoteAssessOnTimeLimit3),-         ("test assess on time limit 4", testVoteAssessOnTimeLimit4),-         ("test assess on time limit 5", testVoteAssessOnTimeLimit5)]--allTests = all snd tests----Test variable creation-testVar1 :: Rule-testVar1 = do-   NewVar "toto" (1::Integer)-   return ()--testVarEx1 = True --(variables ^$ execRuleFunc testVar1) == [(Var 0 "toto" (1::Integer))]----Test variable deleting-testVar2 :: Rule-testVar2 = do-   var <- newVar_ "toto" (1::Int)-   delVar var-   return ()--testVarEx2 = True --_variables (execRuleFunc testVar2) == []----Test variable reading-testVar3 :: Rule-testVar3 = do-   var <- newVar_ "toto" (1::Int)-   a <- liftEffect $ readVar var-   case a of-      Just (1::Int) -> void $ newOutput (Just 1) (return "ok")-      _ -> void $ newOutput (Just 1) (return "nok")--testVarEx3 = isOutput "ok" (execRuleFunc testVar3)----Test variable writing-testVar4 :: Rule-testVar4 = do-   var <- newVar_ "toto" (1::Int)-   writeVar var (2::Int)-   a <- liftEffect $ readVar var-   case a of-      Just (2::Int) -> void $ newOutput (Just 1) (return "ok")-      _ -> void $ newOutput (Just 1) (return "nok")--testVarEx4 = isOutput "ok" (execRuleFunc testVar4)----Test variable writing-testVar5 :: Rule-testVar5 = do-   var <- newVar_ "toto" ([]::[Int])-   writeVar var ([1]::[Int])-   a <- liftEffect $ readVar var-   case a of-      Just (a::[Int]) -> void $ writeVar var (2:a)-      Nothing         -> void $ newOutput (Just 1) (return "nok")--testVarEx5 = True --_variables (execRuleFunc testVar5) == [(Var 0 "toto" ([2,1]::[Int]))]--data Choice = Holland | Sarkozy deriving (Enum, Typeable, Show, Eq, Bounded)---- Test input-testSingleInput :: Rule-testSingleInput = void $ onInputRadio_ "Vote for Holland or Sarkozy" [Holland, Sarkozy] h 1 where-   h a = void $ newOutput (Just 1) (return $ "voted for " ++ show a)--testSingleInputEx = isOutput "voted for Holland" g where-   g = execRuleFuncEvent testSingleInput (inputRadio 1 "Vote for Holland or Sarkozy" [Holland, Sarkozy] Holland) (InputData (RadioData Holland))--testMultipleInputs :: Rule-testMultipleInputs = void $ onInputCheckbox_ "Vote for Holland and Sarkozy" [(Holland, "Holland"), (Sarkozy, "Sarkozy")] h 1 where-   h a = void $ newOutput (Just 1) (return $ "voted for " ++ show a)--testMultipleInputsEx = isOutput "voted for [Holland,Sarkozy]" g where-   g = execRuleFuncEvent testMultipleInputs (inputCheckbox 1 "Vote for Holland and Sarkozy" [(Holland, "Holland"), (Sarkozy, "Sarkozy")]) (InputData (CheckboxData [Holland, Sarkozy]))--testInputString :: Rule-testInputString = void $ onInputText_ "Enter a number:" h 1 where-   h a = void $ newOutput (Just 1) (return $ "You entered: " ++ a)--testInputStringEx = isOutput "You entered: 1" g where-   g = execRuleFuncEvent testInputString (inputText 1 "Enter a number:") (InputData (TextData "1"))---- Test message-testSendMessage :: Rule-testSendMessage = do-    let msg = Message "msg" :: Event(Message String)-    onEvent_ msg f-    sendMessage msg "toto" where-        f (MessageData a :: EventData(Message String)) = void $ newOutput (Just 1) (return a)--testSendMessageEx = isOutput "toto" (execRuleFunc testSendMessage)--testSendMessage2 :: Rule-testSendMessage2 = do-    onEvent_ (Message "msg":: Event(Message ())) $ const $ void $ newOutput (Just 1) (return "Received")-    sendMessage_ (Message "msg")---testSendMessageEx2 = isOutput "Received" (execRuleFunc testSendMessage2)--data Choice2 = Me | You deriving (Enum, Typeable, Show, Eq, Bounded)---- Test user input + variable read/write-testUserInputWrite :: Rule-testUserInputWrite = do-    newVar_ "vote" (Nothing::Maybe Choice2)-    onEvent_ (Message "voted" :: Event (Message ())) h2-    void $ onEvent_ (InputEv (Input 1 "Vote for" (Radio [(Me, "Me"), (You, "You")]))) h1 where-        h1 (InputData (RadioData a) :: EventData (Input Choice2)) = do-            writeVar (V "vote") (Just a)-            SendMessage (Message "voted") ()-        h1 _ = undefined-        h2 (MessageData _) = do-            a <- liftEffect $ readVar (V "vote")-            void $ case a of-                Just (Just Me) -> newOutput (Just 1) (return "voted Me")-                _ -> newOutput (Just 1) (return "problem")-        h2 _ = undefined--testUserInputWriteEx = isOutput "voted Me" g where-   g = execRuleFuncEvent testUserInputWrite (InputEv (Input 1 "Vote for" (Radio [(Me, "Me"), (You, "You")]))) (InputData (RadioData Me))---- Test rule activation-testActivateRule :: Rule-testActivateRule = do-    a <- liftEffect GetRules-    when (_rStatus (head a) == Pending) $ void $ ActivateRule $ _rNumber (head a)---testActivateRuleEx = _rStatus (head $ _rules (execRuleFuncGame testActivateRule testGame {_rules=[testRule]}))  == Active--testAutoActivateEx = _rStatus (head $ _rules (execRuleFuncEventGame autoActivate (RuleEv Proposed) (RuleData testRule) (testGame {_rules=[testRule]})))  == Active----Time tests--testTimeEvent :: Rule-testTimeEvent = void $ onEvent_ (Time date1) f where-   f _ = outputAll_ $ show date1--testTimeEventEx = isOutput (show date1) g where-   g = execRuleFuncEvent testTimeEvent (Time date1) (TimeData date1)--testTimeEvent2 :: Nomex ()-testTimeEvent2 = schedule' [date1, date2] (outputAll_ . show)--testTimeEventEx2 = isOutput (show date1) g && isOutput (show date2) g where-    g = execState (runEvalError Nothing $ evalNomex testTimeEvent2 0 >> void gameEvs) testGame-    gameEvs = do-        evTriggerTime date1-        evTriggerTime date2---- Test deletes-testDeleteRule :: Rule-testDeleteRule = do-    newVar_ "toto" (1::Int)-    onMessage (Message "msg":: Event(Message ())) (const $ return ())-    void $ newOutput (Just 1) (return "toto")--testDeleteGame :: Game-testDeleteGame = flip execState testGame {_players = []} $ runEvalError Nothing $ do-  addActivateRule testDeleteRule 1-  addActivateRule (void $ suppressRule 1) 2--testDeleteRuleEx1 = (_rStatus $ head $ drop 1 $ _rules testDeleteGame) == Reject &&-                    --(_variables testDeleteGame == []) &&-                    (_oStatus $ head $ _outputs testDeleteGame) == SDeleted &&-                    (_evStatus $ head $ _events testDeleteGame) == SDeleted---- Test victory-testVictoryGame :: Game-testVictoryGame = flip execState testGame $ runEvalError Nothing $ do-  addActivateRule (victoryXRules 1) 1-  addActivateRule (nothing) 2--testVictoryEx1 = (length $ getVictorious testVictoryGame) == 1---- Test votes--voteGameActions :: Int -> Int -> Int  -> Bool -> Evaluate () -> Game-voteGameActions positives negatives total timeEvent actions = flip execState testGame {_players = []} $ runEvalError Nothing $ do-    mapM_ (\x -> addPlayer (PlayerInfo x ("coco " ++ show x) Nothing)) [1..total]-    actions-    evProposeRule testRule-    evs <- lift getChoiceEvents-    let pos = take positives evs-    let neg = take negatives $ drop positives evs-    mapM_ (\x -> triggerInput x (URadioData $ fromEnum For)) pos-    mapM_ (\x -> triggerInput x (URadioData $ fromEnum Against)) neg-    when timeEvent $ void $ evTriggerTime date2--voteGame' :: Int -> Int -> Int -> Bool -> Rule -> Game-voteGame' positives negatives notVoted timeEvent rf  = voteGameActions positives negatives notVoted timeEvent $ addActivateRule rf 1--voteGame :: Int -> Int -> Int -> Rule -> Game-voteGame positives negatives notVoted = voteGame' positives negatives notVoted True--voteGameTimed :: Int -> Int -> Int -> Rule -> Game-voteGameTimed positives negatives notVoted = voteGame' positives negatives notVoted True---- Test application meta rule---unanimityRule = testRule {_rName = "unanimityRule", _rRuleFunc = return $ Meta $ voteWith unanimity $ assessWhenEverybodyVoted, _rNumber = 1, _rStatus = Active}---applicationMetaRuleRule = testRule {_rName = "onRuleProposedUseMetaRules", _rRuleFunc = onRuleProposed checkWithMetarules, _rNumber = 2, _rStatus = Active}---testApplicationMetaRuleVote :: Game---testApplicationMetaRuleVote = voteGameActions 2 0 2 False $ do---    evAddRule unanimityRule---    evActivateRule (_rNumber unanimityRule) 0---    evAddRule applicationMetaRuleRule---    evActivateRule (_rNumber applicationMetaRuleRule) 0---    return ()----testApplicationMetaRuleEx = (_rStatus $ head $ _rules testApplicationMetaRuleVote) == Active---- vote rules                                |Expected result        |pos |neg |total                    |description of voting system-testVoteAssessOnVoteComplete1 = testVoteRule Active  $ voteGame      10 0 10 $ onRuleProposed $ voteWith_ majority assessWhenEverybodyVoted-testVoteAssessOnVoteComplete2 = testVoteRule Pending $ voteGame      9  0 10 $ onRuleProposed $ voteWith_ majority assessWhenEverybodyVoted-testVoteAssessOnEveryVote1    = testVoteRule Active  $ voteGame      10 0 10 $ onRuleProposed $ voteWith_ unanimity assessOnEveryVote-testVoteAssessOnEveryVote2    = testVoteRule Active  $ voteGame      6  0 10 $ onRuleProposed $ voteWith_ majority assessOnEveryVote-testVoteAssessOnEveryVote3    = testVoteRule Pending $ voteGame      5  0 10 $ onRuleProposed $ voteWith_ majority assessOnEveryVote-testVoteAssessOnEveryVote4    = testVoteRule Reject  $ voteGame      0  5 10 $ onRuleProposed $ voteWith_ majority assessOnEveryVote-testVoteMajorityWith          = testVoteRule Active  $ voteGame      6  0 10 $ onRuleProposed $ voteWith_ (majorityWith 50) assessOnEveryVote-testVoteNumberPositiveVotes   = testVoteRule Active  $ voteGame      3  7 10 $ onRuleProposed $ voteWith_ (numberVotes 3) assessOnEveryVote-testVoteWithQuorum1           = testVoteRule Active  $ voteGame      7  3 10 $ onRuleProposed $ voteWith_ (majority `withQuorum` 7) assessOnEveryVote-testVoteWithQuorum2           = testVoteRule Pending $ voteGame      6  0 10 $ onRuleProposed $ voteWith_ (majority `withQuorum` 7) assessOnEveryVote-testVoteAssessOnTimeLimit1    = testVoteRule Active  $ voteGameTimed 10 0 10 $ onRuleProposed $ voteWith_ unanimity $ assessOnTimeLimit date2-testVoteAssessOnTimeLimit2    = testVoteRule Active  $ voteGameTimed 1  0 10 $ onRuleProposed $ voteWith_ unanimity $ assessOnTimeLimit date2-testVoteAssessOnTimeLimit3    = testVoteRule Reject  $ voteGameTimed 1  0 10 $ onRuleProposed $ voteWith_ (unanimity `withQuorum` 5) $ assessOnTimeLimit date2-testVoteAssessOnTimeLimit4    = testVoteRule Reject $ voteGameTimed  0  0 10 $ onRuleProposed $ voteWith_ (unanimity `withQuorum` 1) $ assessOnTimeLimit date2-testVoteAssessOnTimeLimit5    = testVoteRule Pending $ voteGameTimed 10 0 10 $ onRuleProposed $ voteWith_ unanimity $ assessOnTimeLimit date3--testVoteRule s g = (_rStatus $ head $ _rules g) == s---
− src/Language/Nomyx/Engine/Utils.hs
@@ -1,51 +0,0 @@-
-module Language.Nomyx.Engine.Utils where
---import Data.Time-import Data.Typeable (cast, Typeable)-import Debug.Trace.Helpers (traceM)-import Data.Maybe (fromJust)-import System.Locale (rfc822DateFormat, defaultTimeLocale)-import Control.Monad.State-import Control.Monad.Identity-import Debug.Trace (trace)---- | an equality that tests also the types.
-(===) :: (Typeable a, Typeable b, Eq b) => a -> b -> Bool
-(===) x y = cast x == Just y
-
--- | Replaces all instances of a value in a list by another value.
-replaceWith :: (a -> Bool)   -- ^ Value to search
-        -> a   -- ^ Value to replace it with
-        -> [a] -- ^ Input list
-        -> [a] -- ^ Output list
-replaceWith f y = map (\z -> if f z then y else z)
--tracePN :: (Monad m ) => Int -> String -> m ()-tracePN pn s = traceM $ "Player " ++ (show pn) ++ " " ++ s--traceData :: (Show a) => String -> a -> a-traceData s a = trace (s ++ " " ++ (show a)) a-
-parse822Time :: String -> UTCTime
-parse822Time = zonedTimeToUTC
-              . fromJust
-              . parseTime defaultTimeLocale rfc822DateFormat
-
-sndMaybe :: (a, Maybe b) -> Maybe (a,b)
-sndMaybe (a, Just b) = Just (a,b)
-sndMaybe (_, Nothing) = Nothing--mapStateIO :: Show s => State s a -> StateT s IO a-mapStateIO = mapStateT $ return . runIdentity--getFreeNumber :: (Eq a, Num a, Enum a) => [a] -> a-getFreeNumber l = head [a| a <- [1..], not $ a `elem` l]---sel :: [a]   -- ^ List of indices to select-    -> [Int] -- ^ List of elements-    -> [a]   -- ^ List composed of elements selected from original set by indices provided-sel xs is = map (\i -> xs!!i) is-
src/Language/Nomyx/Events.hs view
@@ -2,43 +2,39 @@ 
 -- | All the building blocks to allow rules to build events.
 module Language.Nomyx.Events (-   Event(..),-   EventNumber,-   EventData(..),-   InputData(..),-   Msg,-   MsgData,    onEvent, onEvent_, onEventOnce,
-   delEvent, delAllEvents,
+   delEvent,
    sendMessage, sendMessage_,
    onMessage, onMessageOnce,
    schedule, schedule_, schedule', schedule'_,
    getCurrentTime,-   oneWeek, oneDay, oneHour, oneMinute+   oneWeek, oneDay, oneHour, oneMinute,+   timeEvent, messageEvent, victoryEvent, playerEvent, ruleEvent,+   baseEvent, baseInputEvent    ) where 
 import Language.Nomyx.Expression import Data.Typeable
-import Control.Monad.State
+import Control.Monad.State import Data.List
 import Data.Time hiding (getCurrentTime)
 import Data.Time.Recurrence hiding (filter)
 import Safe
  
--- * Events
+-- * Events 
 -- | register a callback on an event
-onEvent :: (Typeable e, Show e, Eq e) => Event e -> ((EventNumber, EventData e) -> Nomex ()) -> Nomex EventNumber
+onEvent :: (Typeable e, Show e) => Event e -> ((EventNumber, e) -> Nomex ()) -> Nomex EventNumber
 onEvent = OnEvent
 
 -- | register a callback on an event, disregard the event number
-onEvent_ :: forall e. (Typeable e, Show e, Eq e) => Event e -> (EventData e -> Nomex ()) -> Nomex EventNumber
-onEvent_ e h = OnEvent e (\(_, d) -> h d)
+onEvent_ :: (Typeable e, Show e) => Event e -> (e -> Nomex ()) -> Nomex EventNumber
+onEvent_ e h = onEvent e (\(_, d) -> h d)
 
 
 -- | set an handler for an event that will be triggered only once
-onEventOnce :: (Typeable e, Show e, Eq e) => Event e -> (EventData e -> Nomex ()) -> Nomex EventNumber
+onEventOnce :: (Typeable e, Show e) => Event e -> (e -> Nomex ()) -> Nomex EventNumber
 onEventOnce e h = do
     let handler (en, ed) = delEvent en >> h ed
     OnEvent e handler
@@ -46,37 +42,33 @@ delEvent :: EventNumber -> Nomex Bool
 delEvent = DelEvent
 
-delAllEvents :: (Typeable e, Show e, Eq e) => Event e -> Nomex ()
-delAllEvents = DelAllEvents
-
 -- | broadcast a message that can be catched by another rule
 sendMessage :: (Typeable a, Show a) => Msg a -> a -> Nomex ()
 sendMessage = SendMessage
 
-sendMessage_ :: Msg () -> Nomex ()
-sendMessage_ m = SendMessage m ()
+sendMessage_ :: String -> Nomex ()
+sendMessage_ m = SendMessage (Msg m) ()
 
 -- | subscribe on a message 
-onMessage :: (Typeable m, Show m) => Msg m -> (MsgData m -> Nomex ()) -> Nomex EventNumber
-onMessage = onEvent_
+onMessage :: (Typeable m, Show m) => Msg m -> (m -> Nomex ()) -> Nomex EventNumber
+onMessage name = onEvent_ (messageEvent name)
 
-onMessageOnce :: (Typeable m, Show m) => Msg m -> (MsgData m -> Nomex ()) -> Nomex EventNumber
-onMessageOnce = onEventOnce
+onMessageOnce :: (Typeable m, Show m) => Msg m -> (m -> Nomex ()) -> Nomex EventNumber
+onMessageOnce name = onEventOnce (messageEvent name)
 
 -- | on the provided schedule, the supplied function will be called
 schedule :: Schedule Freq -> (UTCTime -> Nomex ()) -> Nomex ()
 schedule sched f = do
     now <- liftEffect getCurrentTime
     let next = head $ starting now sched
-    if next == now then executeAndScheduleNext (f . timeData) sched (TimeData now)
-                   else void $ onEventOnce (Time next) $ executeAndScheduleNext (f . timeData) sched
+    if next == now then executeAndScheduleNext f sched now
+                   else void $ onEventOnce (timeEvent next) $ executeAndScheduleNext f sched
 
-executeAndScheduleNext :: (EventData Time -> Nomex ()) -> Schedule Freq -> EventData Time -> Nomex ()
+executeAndScheduleNext :: (UTCTime -> Nomex ()) -> Schedule Freq -> UTCTime -> Nomex ()
 executeAndScheduleNext f sched now = do
    f now
-   let rest = drop 1 $ starting (timeData now) sched
-   when (rest /= []) $ void $ onEventOnce (Time $ head rest) $ executeAndScheduleNext f sched
-
+   let rest = drop 1 $ starting now sched
+   when (rest /= []) $ void $ onEventOnce (timeEvent $ head rest) $ executeAndScheduleNext f sched
 
 schedule_ :: Schedule Freq -> Nomex () -> Nomex ()
 schedule_ ts f = schedule ts (const f)
@@ -88,16 +80,16 @@     now <- liftEffect getCurrentTime
     let nextMay = headMay $ filter (>=now) sched'
     case nextMay of
-        Just next -> if next == now then executeAndScheduleNext' (f . timeData) sched' (TimeData now)
-                                    else void $ onEventOnce (Time next) $ executeAndScheduleNext' (f . timeData) sched'
+        Just next -> if next == now then executeAndScheduleNext' f sched' now
+                                    else void $ onEventOnce (timeEvent next) $ executeAndScheduleNext' f sched'
         Nothing -> return ()
-            
 
-executeAndScheduleNext' :: (EventData Time -> Nomex ()) -> [UTCTime] -> EventData Time -> Nomex ()
+
+executeAndScheduleNext' :: (UTCTime -> Nomex ()) -> [UTCTime] -> UTCTime -> Nomex ()
 executeAndScheduleNext' f sched now = do
    f now
    let rest = drop 1 sched
-   when (rest /= []) $ void $ onEventOnce (Time $ head rest) $ executeAndScheduleNext' f sched
+   when (rest /= []) $ void $ onEventOnce (timeEvent $ head rest) $ executeAndScheduleNext' f sched
    
 
 schedule'_ :: [UTCTime] -> Nomex () -> Nomex ()
@@ -112,3 +104,19 @@ oneDay = 24 * oneHour oneHour = 60 * oneMinute oneMinute = 60++baseEvent :: (Typeable a) => Field a -> Event a+baseEvent = BaseEvent++timeEvent :: UTCTime -> Event UTCTime+timeEvent = BaseEvent . Time+messageEvent :: (Typeable a) => Msg a -> Event a+messageEvent = BaseEvent . Message+victoryEvent = BaseEvent Victory+playerEvent :: Player -> Event PlayerInfo+playerEvent = BaseEvent . Player+ruleEvent :: RuleEvent -> Event RuleInfo+ruleEvent re = BaseEvent $ RuleEv re++baseInputEvent :: (Typeable a) => PlayerNumber -> String -> (InputForm a) -> Field a+baseInputEvent pn s iform = Input Nothing pn s iform
src/Language/Nomyx/Examples.hs view
@@ -78,7 +78,7 @@  -- | a player wins X Ecu if a rule proposed is accepted winXEcuOnRuleAccepted :: Int -> Rule-winXEcuOnRuleAccepted x = void $ onEvent_ (RuleEv Activated) $ \(RuleData rule) -> void $ modifyValueOfPlayer (_rProposedBy rule) accounts (+x)+winXEcuOnRuleAccepted x = void $ onEvent_ (ruleEvent Activated) $ \rule -> void $ modifyValueOfPlayer (_rProposedBy rule) accounts (+x)  -- | a player can transfer money to another player -- it does not accept new players or check if balance is positive, to keep the example simple@@ -110,7 +110,7 @@  -- | Monarchy: only the king decides which rules to accept or reject monarchy :: Rule-monarchy = void $ onEvent_ (RuleEv Proposed) $ \(RuleData rule) -> do+monarchy = void $ onEvent_ (ruleEvent Proposed) $ \rule -> do     k <- readMsgVar_ king     void $ onInputRadioOnce ("Your Royal Highness, do you accept rule " ++ (show $ _rNumber rule) ++ "?") [True, False] (activateOrReject rule) k @@ -128,7 +128,8 @@ victoryXRules :: Int -> Rule victoryXRules x = setVictory $ do     rs <- getRules-    let counts = map (_rProposedBy . head &&& length) $ groupBy ((==) `on` _rProposedBy) rs+    let counts :: [(PlayerNumber,Int)]+        counts = map (_rProposedBy . head &&& length) $ groupBy ((==) `on` _rProposedBy) rs     let victorious = map fst $ filter ((>= x) . snd) counts     return victorious @@ -174,7 +175,7 @@ banPlayer :: PlayerNumber -> Rule banPlayer pn = do    delPlayer pn-   void $ onEvent_ (Player Arrive) $ \(PlayerData _) -> void $ delPlayer pn+   void $ onEvent_ (playerEvent Arrive) $ const $ void $ delPlayer pn  -- * Referendum & elections 
src/Language/Nomyx/Expression.hs view
@@ -7,6 +7,7 @@ {-# LANGUAGE EmptyDataDecls #-} {-# LANGUAGE DataKinds #-} {-# LANGUAGE KindSignatures #-}+{-# LANGUAGE ExistentialQuantification #-} 
 -- | This module containt the type definitions necessary to build a Nomic rule. 
 module Language.Nomyx.Expression where
@@ -29,6 +30,7 @@ type VarName = String
 type Code = String type OutputNumber = Int+type InputNumber = Int 
 -- * Nomyx Expression
 @@ -47,14 +49,13 @@ data Exp :: Eff -> * -> *   where
    --Variables management    NewVar         :: (Typeable a, Show a) => VarName -> a -> Nomex (Maybe (V a))
-   ReadVar        :: (Typeable a, Show a) => V a -> Exp NoEffect (Maybe a)
+   ReadVar        :: (Typeable a, Show a) => V a -> NomexNE (Maybe a)
    WriteVar       :: (Typeable a, Show a) => V a -> a -> Nomex Bool
    DelVar         :: (V a) -> Nomex Bool
    --Events management-   OnEvent        :: Typeable e => Event e -> ((EventNumber, EventData e) -> Nomex ()) -> Nomex EventNumber
+   OnEvent        :: (Typeable e, Show e) => Event e -> ((EventNumber, e) -> Nomex ()) -> Nomex EventNumber
    DelEvent       :: EventNumber -> Nomex Bool
-   DelAllEvents   :: Typeable e => Event e -> Nomex ()
-   SendMessage    :: (Typeable a, Show a) => Event (Message a) -> a -> Nomex ()
+   SendMessage    :: (Typeable a, Show a) => Msg a -> a -> Nomex ()
    --Rules management
    ProposeRule    :: RuleInfo -> Nomex Bool
    ActivateRule   :: RuleNumber -> Nomex Bool
@@ -125,70 +126,61 @@ data V a = V {varName :: String} deriving Typeable
 
 -- * Events
-
--- | events types
-data Player = Arrive | Leave deriving (Typeable, Show, Eq)
++-- | Composable events+data Event a where+   SumEvent   :: Event a -> Event a -> Event a        -- The first event to fire will be returned+   AppEvent   :: Event (a -> b) -> Event a -> Event b -- Both events should fire, and then the result is returned+   PureEvent  :: a -> Event a                         -- Create a fake event. The result is useable with no delay.+   EmptyEvent :: Event a                              -- An event that is never fired.+   BaseEvent  :: (Typeable a) => Field a -> Event a   -- Embed a base event+   deriving Typeable++-- | Base events+data Field a where+   Input   :: Maybe InputNumber -> PlayerNumber -> String -> (InputForm a) -> Field a+   Player  :: Player    -> Field PlayerInfo+   RuleEv  :: RuleEvent -> Field RuleInfo+   Time    :: UTCTime   -> Field UTCTime+   Message :: Msg a     -> Field a+   Victory ::              Field VictoryCond+   deriving Typeable++-- | Type agnostic base event+data SomeField = forall a. (Typeable a) => SomeField (Field a)++-- | Events parameters
+data Player    = Arrive | Leave deriving (Typeable, Show, Eq)
 data RuleEvent = Proposed | Activated | Rejected | Added | Modified | Deleted deriving (Typeable, Show, Eq)
-data Time           deriving Typeable
-data EvRule         deriving Typeable
-data Message m      deriving Typeable
-data Victory        deriving Typeable-data Input a = Input PlayerNumber String (InputForm a) deriving Typeable-data InputForm a = Radio [(a, String)]-                 | Text-                 | TextArea-                 | Button-                 | Checkbox [(a, String)]-                 deriving Typeable-
--- | events names
-data Event a where
-    Player      :: Player ->                     Event Player
-    RuleEv      :: RuleEvent ->                  Event RuleEvent
-    Time        :: UTCTime ->                    Event Time
-    Message     :: String ->                     Event (Message m)
-    InputEv     :: (Typeable a, Show a, Eq a) => Input a -> Event (Input a)
-    Victory     ::                               Event Victory-    deriving (Typeable)
+data Msg m     = Msg String deriving (Typeable, Show)
 --- data sent back by inputs-data InputData a = RadioData a-                 | CheckboxData [a]-                 | TextData String-                 | TextAreaData String-                 | ButtonData+-- | Input forms+data InputForm a where+   Text     ::                                    InputForm String+   TextArea ::                                    InputForm String+   Button   ::                                    InputForm ()+   Radio    :: (Show a, Eq a) => [(a, String)] -> InputForm a+   Checkbox :: (Show a, Eq a) => [(a, String)] -> InputForm [a]+   deriving Typeable -                  
--- | data associated with each events
-data EventData a where
-    PlayerData  ::             {playerData :: PlayerInfo}    -> EventData Player
-    RuleData    ::             {ruleData :: RuleInfo}        -> EventData RuleEvent
-    TimeData    ::             {timeData :: UTCTime}         -> EventData Time
-    MessageData :: (Show m) => {messageData :: m}            -> EventData (Message m)
-    InputData   :: (Show a) => {inputData :: InputData a}    -> EventData (Input a)
-    VictoryData ::             {victoryData :: VictoryCond}  -> EventData Victory-    deriving (Typeable)
-
-deriving instance             Show      (Event a)-deriving instance (Show a) => Show      (InputForm a)-deriving instance (Show a) => Show      (Input a)
-deriving instance             Show      (EventData a)-deriving instance (Show a) => Show      (InputData a)-deriving instance (Show a) => Show      (Message a)
-deriving instance             Show      Victory-deriving instance             Show      Time-deriving instance             Eq        Time
-deriving instance             Eq        Victory
-deriving instance             Eq        EvRule
-deriving instance             Eq        (Message m)
-deriving instance             Eq        (Event e)-deriving instance (Eq e) =>   Eq        (Input e)-deriving instance (Eq e) =>   Eq        (InputForm e)
-
+deriving instance Show (InputForm a)+deriving instance Show (Field a)+deriving instance Show SomeField+deriving instance Eq (Field e)+deriving instance Eq (InputForm e)
+deriving instance Eq (Msg e) -type Msg a = Event (Message a)-type MsgData a = EventData (Message a)-
+instance Functor Event where+   fmap f a = pure f <*> a++instance Applicative Event where+   pure = PureEvent+   (<*>) = AppEvent++instance Alternative Event where+   (<|>) = SumEvent+   empty = EmptyEvent+ -- * Rule
 
 -- | Type of a rule function.
src/Language/Nomyx/Inputs.hs view
@@ -6,7 +6,6 @@ --    void $ onInputButton_ "Click here:" (const $ outputAll_ "Bravo!") 1 
 module Language.Nomyx.Inputs (
-   Input(..),    InputForm(..),    onInputRadio,    onInputRadio_,    onInputRadioOnce,
    onInputText,     onInputText_,     onInputTextOnce,
@@ -14,6 +13,7 @@    onInputButton,   onInputButton_,   onInputButtonOnce,
    onInputTextarea, onInputTextarea_, onInputTextareaOnce,    -- Internals+   baseInputRadio, baseInputText, baseInputCheckbox, baseInputButton, baseInputTextarea,    inputRadio, inputText, inputCheckbox, inputButton, inputTextarea    ) where 
@@ -28,97 +28,92 @@ 
 -- | triggers a choice input to the user. The result will be sent to the callback
 onInputRadio :: (Typeable a, Eq a,  Show a) => String -> [a] -> (EventNumber -> a -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputRadio title choices handler pn = onEvent (inputRadioHead pn title choices) (\(en, InputData (RadioData a)) -> handler en a)
+onInputRadio title choices handler pn = onEvent (inputRadioHead pn title choices) (\(en, a) -> handler en a)
 
 -- | the same, disregard the event number
 onInputRadio_ :: (Typeable a, Eq a, Show a) => String -> [a] -> (a -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputRadio_ title choices handler pn = onEvent_ (inputRadioHead pn title choices) (handler . inputRadioData)
+onInputRadio_ title choices handler pn = onEvent_ (inputRadioHead pn title choices) handler
 
 -- | the same, suppress the event after first trigger
 onInputRadioOnce :: (Typeable a, Eq a, Show a) => String -> [a] -> (a -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputRadioOnce title choices handler pn = onEventOnce (inputRadioHead pn title choices) (handler . inputRadioData)
-
-inputRadio :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [c] -> c -> Event (Input c)
-inputRadio pn title cs _ = InputEv (Input pn title (Radio (zip cs (show <$> cs))))
+onInputRadioOnce title choices handler pn = onEventOnce (inputRadioHead pn title choices) handler
 
-inputRadioHead :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [c] -> Event (Input c)
+inputRadioHead :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [c] -> Event c
 inputRadioHead pn title choices = inputRadio pn title choices (head choices)
++inputRadio :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [c] -> c -> Event c
+inputRadio pn title cs _ = baseEvent $ baseInputRadio pn title (zip cs (show <$> cs))++baseInputRadio :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [(c, String)] -> Field c
+baseInputRadio pn title cs = baseInputEvent pn title (Radio cs) 
-inputRadioData :: (Show c) => EventData (Input c) -> c
-inputRadioData (InputData (RadioData a)) = a
-inputRadioData a = error $ "Not a Radio Data: " ++ show a
 -- ** Text inputs
 
 -- | triggers a string input to the user. The result will be sent to the callback
 onInputText :: String -> (EventNumber -> String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputText title handler pn = onEvent (inputText pn title) (\(en, a) -> handler en (inputTextData a))
+onInputText title handler pn = onEvent (inputText pn title) (\(en, a) -> handler en a)
 
 -- | asks the player pn to answer a question, and feed the callback with this data.
 onInputText_ :: String -> (String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputText_ title handler pn = onEvent_ (inputText pn title) (handler . inputTextData)
+onInputText_ title handler pn = onEvent_ (inputText pn title) handler
 
 -- | asks the player pn to answer a question, and feed the callback with this data.
 onInputTextOnce :: String -> (String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputTextOnce title handler pn = onEventOnce (inputText pn title) (handler . inputTextData)
+onInputTextOnce title handler pn = onEventOnce (inputText pn title) handler
 -inputText :: PlayerNumber -> String -> Event (Input String)
-inputText pn title = InputEv (Input pn title Text)
-
-inputTextData :: EventData (Input String) -> String
-inputTextData (InputData (TextData a)) = a
-inputTextData a = error $ "Not a Text Data: " ++ (show a)
+inputText :: PlayerNumber -> String -> Event String
+inputText pn title = baseEvent $ baseInputText pn title +baseInputText :: PlayerNumber -> String -> Field String
+baseInputText pn title = baseInputEvent pn title Text
 
 -- ** Checkbox inputs
 
 onInputCheckbox :: (Typeable a, Eq a,  Show a) => String -> [(a, String)] -> (EventNumber -> [a] -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputCheckbox title choices handler pn = onEvent (inputCheckbox pn title choices) (\(en, InputData (CheckboxData a)) -> handler en a)
+onInputCheckbox title choices handler pn = onEvent (inputCheckbox pn title choices) (\(en, a) -> handler en a)
 
 onInputCheckbox_ :: (Typeable a, Eq a,  Show a) => String -> [(a, String)] -> ([a] -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputCheckbox_ title choices handler pn = onEvent_ (inputCheckbox pn title choices) (handler . inputCheckboxData)
+onInputCheckbox_ title choices handler pn = onEvent_ (inputCheckbox pn title choices) handler
 
 onInputCheckboxOnce :: (Typeable a, Eq a,  Show a) => String -> [(a, String)] -> ([a] -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputCheckboxOnce title choices handler pn = onEventOnce (inputCheckbox pn title choices) (handler . inputCheckboxData)
+onInputCheckboxOnce title choices handler pn = onEventOnce (inputCheckbox pn title choices) handler
 -inputCheckboxData :: (Show c) => EventData (Input c) -> [c]
-inputCheckboxData (InputData (CheckboxData a)) = a
-inputCheckboxData a = error $ "Not a Checkbox Data: " ++ show a
-
-inputCheckbox :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [(c, String)] -> Event (Input c)
-inputCheckbox pn title cs = InputEv (Input pn title (Checkbox cs))
+inputCheckbox :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [(c, String)] -> Event [c]
+inputCheckbox pn title cs = baseEvent $ baseInputCheckbox pn title cs++baseInputCheckbox :: (Eq c, Show c, Typeable c) => PlayerNumber -> String -> [(c, String)] -> Field [c]
+baseInputCheckbox pn title cs = baseInputEvent pn title (Checkbox cs)
 
 -- ** Button inputs
 
 onInputButton :: String -> (EventNumber -> () -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputButton title handler pn = onEvent (inputButton pn title) (\(en, InputData ButtonData) -> handler en ())
+onInputButton title handler pn = onEvent (inputButton pn title) (\(en, ()) -> handler en ())
 
 onInputButton_ :: String -> (() -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputButton_ title handler pn = onEvent_ (inputButton pn title) (handler . inputButtonData)
+onInputButton_ title handler pn = onEvent_ (inputButton pn title) handler
 
 onInputButtonOnce :: String -> (() -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputButtonOnce title handler pn = onEventOnce (inputButton pn title) (handler . inputButtonData)
--inputButtonData :: EventData (Input ()) -> ()
-inputButtonData (InputData ButtonData) = ()
-inputButtonData a = error $ "Not a Button Data: " ++ show a
+onInputButtonOnce title handler pn = onEventOnce (inputButton pn title) handler
 
-inputButton :: PlayerNumber -> String -> Event (Input ())
-inputButton pn title = InputEv (Input pn title Button)
+inputButton :: PlayerNumber -> String -> Event ()
+inputButton pn title = baseEvent $ baseInputButton pn title
++baseInputButton :: PlayerNumber -> String -> Field ()
+baseInputButton pn title = baseInputEvent pn title Button 
 -- ** Textarea inputs
 
-inputTextarea :: PlayerNumber -> String -> Event (Input String)
-inputTextarea pn title = InputEv (Input pn title TextArea)
-
 onInputTextarea :: String -> (EventNumber -> String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputTextarea title handler pn = onEvent (inputTextarea pn title) (\(en, a) -> handler en (inputTextareaData a))
+onInputTextarea title handler pn = onEvent (inputTextarea pn title) (\(en, a) -> handler en a)
 
 onInputTextarea_ :: String -> (String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputTextarea_ title handler pn = onEvent_ (inputTextarea pn title) (handler . inputTextareaData)
+onInputTextarea_ title handler pn = onEvent_ (inputTextarea pn title) handler
 
 onInputTextareaOnce :: String -> (String -> Nomex ()) -> PlayerNumber -> Nomex EventNumber
-onInputTextareaOnce title handler pn = onEventOnce (inputTextarea pn title) (handler . inputTextareaData)
+onInputTextareaOnce title handler pn = onEventOnce (inputTextarea pn title) handler
 
-inputTextareaData :: EventData (Input String) -> String
-inputTextareaData (InputData (TextAreaData a)) = a
-inputTextareaData a = error $ "Not a Textarea Data: " ++ show a
+inputTextarea :: PlayerNumber -> String -> Event String
+inputTextarea pn title = baseEvent $ baseInputTextarea pn title+
+baseInputTextarea :: PlayerNumber -> String -> Field String
+baseInputTextarea pn title = baseInputEvent pn title TextArea
src/Language/Nomyx/Outputs.hs view
@@ -58,7 +58,7 @@ delOutput = DelOutput
               
 -- permanently display a variable
-displayVar :: (Typeable a, Show a, Eq a) => Maybe PlayerNumber  -> MsgVar a -> (Maybe a -> NomexNE String) -> Nomex OutputNumber
+displayVar :: (Typeable a, Show a) => Maybe PlayerNumber  -> MsgVar a -> (Maybe a -> NomexNE String) -> Nomex OutputNumber
 displayVar mpn mv dis = do    on <- newOutput mpn $ readMsgVar mv >>= dis    onMsgVarDelete mv (void $ delOutput on)@@ -66,17 +66,17 @@   -- permanently display a variable
-displayVar' :: (Typeable a, Show a, Eq a) => Maybe PlayerNumber -> MsgVar a -> (a -> NomexNE String) -> Nomex OutputNumber
+displayVar' :: (Typeable a, Show a) => Maybe PlayerNumber -> MsgVar a -> (a -> NomexNE String) -> Nomex OutputNumber
 displayVar' mpn mv dis = displayVar mpn mv dis' where    dis' Nothing  = return $ "Variable " ++ getMsgVarName mv ++ " deleted"    dis' (Just a) = (++ "\n") <$> dis a    
-displaySimpleVar :: (Typeable a, Show a, Eq a) => Maybe PlayerNumber -> MsgVar a -> String -> Nomex OutputNumber
+displaySimpleVar :: (Typeable a, Show a) => Maybe PlayerNumber -> MsgVar a -> String -> Nomex OutputNumber
 displaySimpleVar mpn mv title = displayVar' mpn mv showVar where    showVar a = return $ title ++ ": " ++ (show a) ++ "\n"
 
-displayArrayVar :: (Typeable a, Show a, Eq a, Typeable i, Show i, Eq i) => Maybe PlayerNumber -> ArrayVar i a -> String -> Nomex OutputNumber
+displayArrayVar :: (Typeable a, Show a, Typeable i, Show i) => Maybe PlayerNumber -> ArrayVar i a -> String -> Nomex OutputNumber
 displayArrayVar mpn mv title = displayVar' mpn mv (showArrayVar title) where -showArrayVar :: (Typeable a, Show a, Eq a, Typeable i, Show i, Eq i) => String -> [(i, a)] -> NomexNE String+showArrayVar :: (Typeable a, Show a, Typeable i, Show i) => String -> [(i, a)] -> NomexNE String showArrayVar title l = return $ title ++ "\n" ++ concatMap (\(i,a) -> show i ++ "\t" ++ show a ++ "\n") l
src/Language/Nomyx/Players.hs view
@@ -12,6 +12,7 @@    PlayerName,    PlayerInfo(..),    Player(..),+   playerEvent,    playerNumber, playerName,    getPlayers, getPlayer, getPlayerName,
    setPlayerName,
@@ -88,8 +89,8 @@ forEachPlayer action actionWhenArrive actionWhenLeave = do     pns <- liftEffect getAllPlayerNumbers     mapM_ action pns-    an <- onEvent_ (Player Arrive) $ \(PlayerData p) -> actionWhenArrive $ _playerNumber p-    ln <- onEvent_ (Player Leave)  $ \(PlayerData p) -> actionWhenLeave  $ _playerNumber p+    an <- onEvent_ (playerEvent Arrive) $ actionWhenArrive . _playerNumber+    ln <- onEvent_ (playerEvent Leave)  $ actionWhenLeave  . _playerNumber     return (an, ln)  -- | perform the same action for each players, including new players
src/Language/Nomyx/Rules.hs view
@@ -23,7 +23,7 @@    autoActivate,    activateOrReject,    simulate,-   metaruleVar, createMetaruleVar, addMetarule, testWithMetaRules,+   metaruleVar, createMetaruleVar, addMetarule, testWithMetaRules, displayMetarules,    legal, illegal, noPlayPlayer, immutableRule,    autoDelete,    eraseAllRules,@@ -35,6 +35,7 @@ import Language.Nomyx.Expression import Language.Nomyx.Events import Language.Nomyx.Variables+import Language.Nomyx.Outputs import Data.Lens import Control.Monad import Data.List@@ -91,9 +92,7 @@   getFreeRuleNumber :: NomexNE RuleNumber-getFreeRuleNumber = do-   rs <- getRules-   return $ getFreeNumber $ map _rNumber rs+getFreeRuleNumber = getFreeNumber . map _rNumber <$> getRules  getFreeNumber :: (Eq a, Num a, Enum a) => [a] -> a getFreeNumber l = head [a| a <- [1..], not $ a `elem` l]@@ -114,40 +113,73 @@ modifyRule :: RuleNumber -> RuleInfo -> Nomex Bool modifyRule rn r = ModifyRule rn r +-- | allows a rule to retrieve its own number (for auto-deleting for example)
+getSelfRuleNumber :: NomexNE RuleNumber
+getSelfRuleNumber = SelfRuleNumber
+
+getSelfRule :: NomexNE RuleInfo
+getSelfRule  = do
+   srn <- getSelfRuleNumber
+   rs:[] <- getRulesByNumbers [srn]
+   return rs +-- | activate or reject a rule+activateOrReject :: RuleInfo -> Bool -> Nomex ()+activateOrReject r b = if b then activateRule_ (_rNumber r) else rejectRule_ (_rNumber r)++-- | a rule can autodelete itself (generaly after having performed some actions)+autoDelete :: Nomex ()+autoDelete = liftEffect getSelfRuleNumber >>= suppressRule_++-- | All rules from player p are erased:+eraseAllRules :: PlayerNumber -> Nomex Bool+eraseAllRules p = do+    rs <- liftEffect $ getRules+    let myrs = filter ((== p) . getL rProposedBy) rs+    res <- mapM (suppressRule . _rNumber) myrs+    return $ and res+ -- | This rule will activate automatically any new rule. autoActivate :: Nomex ()-autoActivate = void $ onEvent_ (RuleEv Proposed) (activateRule_ . _rNumber . ruleData)+autoActivate = void $ onEvent_ (ruleEvent Proposed) (activateRule_ . _rNumber)  -- * Meta Rules +-- | A meta rule is a rule that can juge the legality of another rule. type MetaRule = RuleInfo -> NomexNE Bool -metaruleVar :: MsgVar [MetaRule]+-- | The meta rules are stored in a list variable+metaruleVar :: MsgVar [(String, MetaRule)] metaruleVar = msgVar "metarules" +-- | create the meta rule variable createMetaruleVar :: Nomex ()-createMetaruleVar = void $ newMsgVar (getMsgVarName metaruleVar) ([] :: [MetaRule])+createMetaruleVar = void $ newMsgVar' metaruleVar [] -addMetarule :: MetaRule -> Nomex ()-addMetarule mr = void $ modifyMsgVar metaruleVar (mr:)+-- | add a new metarule to the list+addMetarule :: MetaRule -> String -> Nomex ()+addMetarule mr code = void $ modifyMsgVar metaruleVar ((code, mr):) +-- | use the list of meta rules to juge a new rule testWithMetaRules :: RuleInfo -> NomexNE Bool testWithMetaRules r = do    mmrs <- readMsgVar metaruleVar    case mmrs of-      Just mrs -> do-         bs <- sequence $ map (\mr -> mr r) mrs-         return $ and bs-      Nothing -> return $ False+      Just mrs -> and <$> mapM (($r) . snd) mrs+      Nothing ->  return False +displayMetarules :: Nomex ()+displayMetarules = void $ displayVar Nothing metaruleVar dispAll where+   dispAll mvs = return $ maybe "No meta rules" (("Meta Rules:\n" ++) . concatMap disp) mvs+   disp (s, _) = s ++ "\n"+ -- | A rule will be always legal-legal :: Nomex ()-legal = addMetarule (const $ return True)+legal :: MetaRule+legal = const $ return True  -- | A rule will be always illegal-illegal :: Nomex ()-illegal = addMetarule (const $ return False)+illegal :: MetaRule+illegal = const $ return False   -- | Player p cannot propose any more rules@@ -165,32 +197,7 @@ simulate :: Nomex a -> NomexNE Bool -> NomexNE Bool simulate sim test = Simu sim test --- | activate or reject a rule-activateOrReject :: RuleInfo -> Bool -> Nomex ()-activateOrReject r b = if b then activateRule_ (_rNumber r) else rejectRule_ (_rNumber r) --- | a rule can autodelete itself (generaly after having performed some actions)-autoDelete :: Nomex ()-autoDelete = liftEffect getSelfRuleNumber >>= suppressRule_---- | All rules from player p are erased:-eraseAllRules :: PlayerNumber -> Nomex Bool-eraseAllRules p = do-    rs <- liftEffect $ getRules-    let myrs = filter ((== p) . getL rProposedBy) rs-    res <- mapM (suppressRule . _rNumber) myrs-    return $ and res----- | allows a rule to retrieve its own number (for auto-deleting for example)
-getSelfRuleNumber :: NomexNE RuleNumber
-getSelfRuleNumber = SelfRuleNumber
-
-getSelfRule :: NomexNE RuleInfo
-getSelfRule  = do
-   srn <- getSelfRuleNumber
-   rs:[] <- getRulesByNumbers [srn]
-   return rs  -- | a default rule
 defaultRule = RuleInfo  {
src/Language/Nomyx/Variables.hs view
@@ -11,8 +11,8 @@    V(..),    VEvent(..),
    MsgVar(..),-   newVar,    newVar_,    readVar,    readVar_,    writeVar,    modifyVar,    delVar,
-   newMsgVar, newMsgVar_, readMsgVar, readMsgVar_, writeMsgVar, modifyMsgVar, delMsgVar,+   newVar,    newVar_,    newVar',    readVar,    readVar_,    writeVar,    modifyVar,    delVar,
+   newMsgVar, newMsgVar_, newMsgVar', readMsgVar, readMsgVar_, writeMsgVar, modifyMsgVar, delMsgVar,    msgVar,    newMsgVarOnEvent,
    onMsgVarEvent, onMsgVarChange, onMsgVarDelete,
@@ -30,7 +30,8 @@ import Language.Nomyx.Expression import Language.Nomyx.Events
 import Data.Typeable
-import Control.Monad.State
+import Control.Monad.State+import Control.Applicative
 import Data.Maybe
 import qualified Data.Map as M
 import Data.Map hiding (map, filter, insert, mapMaybe, null)
@@ -43,10 +44,13 @@ 
 newVar_ :: (Typeable a, Show a) => VarName -> a -> Nomex (V a)
 newVar_ s a = partial "newVar_: Variable existing" (newVar s a)
++newVar' :: (Typeable a, Show a) => V a -> a -> Nomex Bool
+newVar' v a = maybe False (const True) <$> (newVar (varName v) a) 
 -- | variable reading
 readVar :: (Typeable a, Show a) => V a -> NomexNE (Maybe a)
-readVar = ReadVar
+readVar = ReadVar 
 
 readVar_ :: (Typeable a, Show a) => V a -> Nomex a
 readVar_ v@(V a) = partial ("readVar_: Variable \"" ++ a ++ "\" with type \"" ++ (show $ typeOf v) ++ "\" not existing") (liftEffect $ readVar v)
@@ -69,23 +73,26 @@ data MsgVar a = MsgVar {message :: Msg (VEvent a), variable :: V a }
 
 msgVar :: String -> MsgVar a
-msgVar a = MsgVar (Message a) (V a)
+msgVar a = MsgVar (Msg a) (V a)
 
 newMsgVar :: (Typeable a, Show a) => VarName -> a -> Nomex (Maybe (MsgVar a))
 newMsgVar name a = do
     mv <- newVar name a
-    return $ mv >>= Just . MsgVar (Message name)
+    return $ mv >>= Just . MsgVar (Msg name)
 
 newMsgVar_ :: (Typeable a, Show a) => VarName -> a -> Nomex (MsgVar a)
 newMsgVar_ name a = partial "newMsgVar_: Variable existing" (newMsgVar name a)
++newMsgVar' :: (Typeable a, Show a) => MsgVar a -> a -> Nomex Bool
+newMsgVar' v a = maybe False (const True) <$> (newMsgVar (getMsgVarName v) a) 
 -- | create a new MsgVar and register callback in case of change (update, delete)
-newMsgVarOnEvent :: (Typeable a, Show a) => VarName -> a -> (VEvent a -> Nomex ()) -> Nomex (Maybe (MsgVar a))
+newMsgVarOnEvent :: (Typeable a, Show a, Eq a) => VarName -> a -> (VEvent a -> Nomex ()) -> Nomex (Maybe (MsgVar a))
 newMsgVarOnEvent name a f = do
     mv <- newMsgVar name a
     case mv of
        Just (MsgVar m _) -> do
-          onMessage m $ f . messageData
+          onMessage m f
           return mv
        Nothing -> return Nothing
 
@@ -104,19 +111,19 @@ modifyMsgVar :: (Typeable a, Show a) => MsgVar a -> (a -> a) -> Nomex Bool
 modifyMsgVar mv f = writeMsgVar mv . f =<< readMsgVar_ mv
 
-delMsgVar :: (Typeable a, Show a, Eq a) => MsgVar a -> Nomex Bool
+delMsgVar :: (Typeable a, Show a) => MsgVar a -> Nomex Bool
 delMsgVar (MsgVar m v) = do
    sendMessage m VDeleted
-   delAllEvents m
+   --delAllEvents (messageEvent m)
    delVar v
 
 onMsgVarEvent :: (Typeable a, Show a) => MsgVar a -> (VEvent a -> Nomex ()) -> Nomex EventNumber
 onMsgVarEvent mv f = do
    m <- liftEffect $ getMsgVarMessage mv
-   onMessage m $ \(MessageData v) -> f v
+   onMessage m f
  -- | adds a callback for each of the MsgVar events: Create, Update, Delete
-onMsgVarChange :: (Typeable a, Show a)
+onMsgVarChange :: (Typeable a, Show a, Eq a)
                => MsgVar a             -- ^ the MsgVar
                -> (a -> Nomex b)       -- ^ callback on creation (called immediatly)
                -> (a -> b -> Nomex ()) -- ^ callback on update
@@ -129,7 +136,7 @@       f c' (VUpdated v) = update v c'
       f c' VDeleted     = delete c'
 -onMsgVarDelete :: (Typeable a, Show a, Eq a) => MsgVar a -> Nomex () -> Nomex EventNumber+onMsgVarDelete :: (Typeable a, Show a) => MsgVar a -> Nomex () -> Nomex EventNumber onMsgVarDelete mv f = onMsgVarEvent mv onMsgVarDel where     onMsgVarDel VDeleted     = f     onMsgVarDel _ = return ()@@ -164,7 +171,7 @@ newArrayVar_ name l = partial "newArrayVar_: Variable existing" (newArrayVar name l)
 
 -- | initialize an empty ArrayVar, registering a callback that will be triggered at every change
-newArrayVar' :: (Typeable a, Show a, Typeable i, Show i) => VarName -> [i] -> (VEvent [(i,Maybe a)] -> Nomex ()) -> Nomex (Maybe (ArrayVar i a))
+newArrayVar' :: (Typeable a, Show a, Eq a, Typeable i, Show i, Eq i) => VarName -> [i] -> (VEvent [(i,Maybe a)] -> Nomex ()) -> Nomex (Maybe (ArrayVar i a))
 newArrayVar' name l f = do
     let list = map (\i -> (i, Nothing)) l
     newMsgVarOnEvent name list f
src/Language/Nomyx/Vote.hs view
@@ -28,6 +28,7 @@ import Control.Monad.Error (MonadError(..))  + data VoteType a = ExclusiveVote (Maybe (Alts a))                 | NonExclusiveVote [Alts a] @@ -72,7 +73,7 @@ voteWith countVotes assessors toVote als = do
     pns <- liftEffect getAllPlayerNumbers
     let toVoteName = name toVote
-    let msgEnd = Message ("Result of votes for " ++ toVoteName) :: Msg [Alts a]
+    let msgEnd = Msg ("Result of votes for " ++ toVoteName) :: Msg [Alts a]
     --create an array variable to store the votes
     (voteVar :: ArrayVar PlayerNumber (Alts a)) <- newArrayVar_ ("Votes for " ++ toVoteName) pns
     --create the voting buttons@@ -109,7 +110,7 @@ assessOnTimeLimit time = do
    (VoteData msgEnd voteVar i assess _) <- get    put (VoteData msgEnd voteVar i assess (Just time))
-   lift $ void $ onEvent_ (Time time) $ \_ -> do
+   lift $ void $ onEvent_ (timeEvent time) $ \_ -> do
       votes <- getMsgVarData_ voteVar
       sendMessage msgEnd (assess $ getVoteStats votes True)
 @@ -244,16 +245,16 @@    return (name, showChoice v)                                               
 displayVoteResult :: (Votable a) => String -> VoteData a -> Nomex OutputNumber-displayVoteResult toVoteName (VoteData msgEnd voteVar _ _ _) = onMessage msgEnd $ \(MessageData result) -> do
+displayVoteResult toVoteName (VoteData msgEnd voteVar _ _ _) = onMessage msgEnd $ \result -> do
    vs <- getMsgVarData_ voteVar    votes <- liftEffect $ showFinishedVote vs    void $ outputAll_ $ "Vote result for " ++ toVoteName ++ ": " ++ showChoices result ++ " (" ++ votes ++ ")"  -- | any new rule will be activate if the rule in parameter returns For
 onRuleProposed :: (RuleInfo -> Nomex (Msg [ForAgainst]) ) -> Rule
-onRuleProposed f = void $ onEvent_ (RuleEv Proposed) $ \(RuleData rule) -> do
+onRuleProposed f = void $ onEvent_ (ruleEvent Proposed) $ \rule -> do
     resp <- f rule-    void $ onMessageOnce resp $ (activateOrReject rule) . (== [For]) . messageData+    void $ onMessageOnce resp $ (activateOrReject rule) . (== [For])  -- * Referendum & elections @@ -269,12 +270,12 @@ referendum name action = do    msg <- voteWith_ (majority `withQuorum` 2) (assessOnEveryVote >> assessOnTimeDelay oneDay) (Referendum name)    void $ onMessageOnce msg resolution where-      resolution (MessageData [Yes]) = do+      resolution [Yes] = do             outputAll_ "Positive result of referendum"             action-      resolution (MessageData [No]) = void $ outputAll_ "Negative result of referendum"-      resolution (MessageData [])   = void $ outputAll_ "No result for referendum"-      resolution (MessageData _)    = throwError "Impossible result for referendum"+      resolution [No] = void $ outputAll_ "Negative result of referendum"+      resolution []   = void $ outputAll_ "No result for referendum"+      resolution _    = throwError "Impossible result for referendum"   data Election = Election String deriving (Typeable)@@ -297,8 +298,8 @@ elections name pns action = do    msg <- voteWith majority (assessOnTimeDelay oneDay) (Election name) (Candidate <$> pns)    void $ onMessageOnce msg resolution where-      resolution (MessageData [Candidate pi]) = do+      resolution [Candidate pi] = do          outputAll_ $ "Result of elections: player(s) " ++ (show $ _playerName pi) ++ " won!"          action $ _playerNumber pi-      resolution (MessageData []) = void $ outputAll_ "Result of elections: nobody won!"-      resolution (MessageData _)  = throwError "Impossible result for elections"+      resolution [] = void $ outputAll_ "Result of elections: nobody won!"+      resolution _  = throwError "Impossible result for elections"