X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=afp%2Fa10%2Fa10.icl;h=1da0267d4bc158eed38d62003e95815458401230;hb=d26be584859f046d29708d03c41861d421cefc6d;hp=fabad8cb9d4b0cb7df84aca8ab68a695bd8134d6;hpb=f97a5bd0b5f76a04c484555f7ff16b0f3ba152bb;p=clean-tests.git diff --git a/afp/a10/a10.icl b/afp/a10/a10.icl index fabad8c..1da0267 100644 --- a/afp/a10/a10.icl +++ b/afp/a10/a10.icl @@ -7,6 +7,7 @@ import Control.Applicative import Control.Monad import Data.Maybe import Data.Error +import Text => qualified join :: BM a b = {t :: a->b, f :: b->a, t2 :: A.c t:(t c a)->t c b, f2 :: A.c t:(t b c)->t a c} bm = {t = id, f = id, t2 = id, f2 = id} @@ -14,11 +15,11 @@ bm = {t = id, f = id, t2 = id, f2 = id} :: Action b a = MoveToShip (BM b High) (BM a High) | MoveToQuay (BM b High) (BM a High) - | MoveUp (BM b Low) (BM a High) - | MoveDown (BM b High) (BM a Low) - | Lock (BM b Low) (BM a Low) - | Unlock (BM b Low) (BM a Low) - | Wait (BM b a) + | MoveUp (BM b Low) (BM a High) + | MoveDown (BM b High) (BM a Low) + | Lock (BM b Low) (BM a Low) + | Unlock (BM b Low) (BM a Low) + | Wait (BM b a) | E.i: (:.) infixl 1 (Action b i) (Action i a) | WhileContainerBelow (BM b a) (Action a a) :: High = High @@ -70,8 +71,8 @@ eval (Unlock _ _) s=:{locked=(Just c)} = pure {s & onShip = [c:s.onShip], locked = Nothing} eval (Unlock b1 b2) s=:{locked=Nothing} = Error "Cannot unlock container, crane contains nothing" -eval (Wait _) s = Ok s -eval (a :. b) s = eval a s >>= eval b +eval (Wait _) s = Ok s +eval (a :. b) s = eval a s >>= eval b eval (WhileContainerBelow _ action) s | s.craneOnQuay && not (isEmpty s.onQuay) || not s.craneOnQuay && not (isEmpty s.onShip) = eval (action :. whileContainerBelow action) s @@ -85,3 +86,49 @@ opt (a :. b) = opt a :. opt b opt x = x Start = opt (moveToShip :. wait :. moveDown) +//print :: (Action i f) [String] -> [String] +//print (MoveToShip _ _) s = ["Move to ship":s] +//print (MoveToQuay _ _) s = ["Move to quay":s] +//print (MoveUp _ _) s = ["Move up":s] +//print (MoveDown _ _) s = ["Move down":s] +//print (Lock _ _) s = ["Lock":s] +//print (Unlock _ _) s = ["Unlock":s] +//print (Wait _) s = ["Wait":s] +//print (a :. b) s = print a ["\n":print b s] +//print (WhileContainerBelow _ a) s +// = ["While container below (":indent ["\n":print a [")":s]]] +//where +// indent s = map (\s->if (s.[0] == '\n') (s +++ "\t") s) +// + +print :: (Action i f) String [String] -> [String] +print (MoveToShip _ _) i s = [i,"Move to ship":s] +print (MoveToQuay _ _) i s = [i,"Move to quay":s] +print (MoveUp _ _) i s = [i,"Move up":s] +print (MoveDown _ _) i s = [i,"Move down":s] +print (Lock _ _) i s = [i,"Lock":s] +print (Unlock _ _) i s = [i,"Unlock":s] +print (Wait _) i s = [i,"Wait":s] +print (a :. b) i s = print a i ["\n":print b i s] +print (WhileContainerBelow _ a) i s + = [i,"While container below (\n":print a ("\t"+++i) ["\n",i,")":s]] + +Start = print loadShip "" [] + +p1 = moveToShip :. moveDown + +//p2 = moveToShip :. wait :. lock // the required type error + +loadShip = + whileContainerBelow ( + moveDown:. + lock:. + moveUp:. + moveToShip:. + wait:. + moveDown:. + wait:. + unlock:. + moveUp:. + moveToQuay + ) :. wait