module SokobanCoord
-import StdList, StdInt, StdChar, StdMisc, StdClass, StdString, StdFile, StdArray, StdTuple, Data.Maybe, Data.Map, Control.Monad, Data.Tuple, Data.Void
+import StdList, StdInt, StdBool, StdChar, StdMisc, StdClass, StdString, StdFile, StdArray, StdTuple, Data.Maybe, Data.Map, Data.Tuple, Data.Void
+from Text import class Text(concat,join), instance Text String
import Sokoban
-inpath :== "screen.2000"
+inpath :== "screen.2001"
outpath :== "solver.smv"
-puzzle :: SokobanPuzzle
-puzzle = Sokoban [[Wall, Wall, Wall, Wall, Wall, Wall],
- [Wall, Free, Free, Free, Free, Wall],
- [Wall, Agent,Free, Box, Free, Wall],
- [Wall, Free, Free, Free, Target, Wall],
- [Wall, Wall, Wall, Wall, Wall, Wall]]
+(<+) infixr 5 :: a b -> String | toString a & toString b
+(<+) a b = toString a +++ toString b
checkX :: [[SokobanTile]] Int -> Int
-checkX p x = let (Sokoban p) = puzzle in if (x > (length p - 1)) (-1) x
+checkX p x = if (x > (length p - 1)) (-1) x
checkY :: [[SokobanTile]] Int Int -> Int
-checkY p x y = let (Sokoban p) = puzzle in if (y > (length (p !! x) - 1)) (-1) y
+checkY p x y
+ | ((x < 0) || (x > (length p - 1))) = -1
+ | otherwise = if (y > (length (p !! x) - 1)) (-1) y
genField :: [[SokobanTile]] Int Int -> String
-genField p x y = " init(x" +++ toString x +++ "_" +++ toString y +++ ") := " +++ fromTile ((p !! x) !! y) +++ ";\n"
+genField p x y = " init(x" <+ x <+ "_" <+ y <+ ") := " <+ fromTile ((p !! x) !! y) <+ ";"
genVars :: Int Int -> String
-genVars x y = " x" +++ toString x +++ "_" +++ toString y +++ " : {Wall, Free, Box, BoxOnTarget, Target, Agent, AgentOnTarget};\n"
+genVars x y = " x" <+ x <+ "_" <+ y <+ " : {Wall, Free, Box, BoxOnTarget, Target, Agent, AgentOnTarget};"
genCoord :: [[SokobanTile]] Int Int -> [String]
-genCoord p x y = [" next(x" +++ toString x +++ "_" +++ toString y +++ ") := case\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Wall: Wall;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Agent & move = Left: Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Agent & move = Up: Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & move = Right : Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & move = Down : Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY p x (y+2)) +++ " = Agent & move = Left: Box;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX p (x+2)) +++ "_" +++ toString x +++ " = Agent & move = Up: Box;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Box & x" +++ toString x +++ "_" +++ toString (x-2) +++ " = Agent & move = Right : Box;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Free & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-2) +++ "_" +++ toString y +++ " = Agent & move = Down : Box;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Target) & move = Right: Free;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down: Free;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left : Free;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ "= Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up : Free;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left: Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up: Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Target) & move = Right : Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down : Agent;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Agent & move = Left: AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Agent & move = Up: AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & move = Right : AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & move = Down : AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Box & x" +++ toString x +++ "_" +++ toString (checkY p x (y+2)) +++ " = Agent & move = Left: BoxOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Box & x" +++ toString (checkX p (x+2)) +++ "_" +++ toString y +++ " = Agent & move = Up: BoxOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Box & x" +++ toString x +++ "_" +++ toString (y-2) +++ " = Agent & move = Right : BoxOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = Target & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Box & x" +++ toString (x-2) +++ "_" +++ toString y +++ " = Agent & move = Down : BoxOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Target) & move = Right: Target;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down: Target;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left : Target;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = AgentOnTarget & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up : Target;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Free | x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Target) & move = Left: AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Free | x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Target) & move = Up: AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString x +++ "_" +++ toString (y-1) +++ " = Agent & (x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Free | x" +++ toString x +++ "_" +++ toString (checkY p x (y+1)) +++ " = Target) & move = Right : AgentOnTarget;\n",
- " x" +++ toString x +++ "_" +++ toString y +++ " = BoxOnTarget & x" +++ toString (x-1) +++ "_" +++ toString y +++ " = Agent & (x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Free | x" +++ toString (checkX p (x+1)) +++ "_" +++ toString y +++ " = Target) & move = Down : AgentOnTarget;\n",
- " TRUE : x" +++ toString x +++ "_" +++ toString y +++ ";\n",
- " esac;\n"
+genCoord p x y = [" next(x" <+ x <+ "_" <+ y <+ ") := case",
+ " x" <+ x <+ "_" <+ y <+ " = Wall: Wall;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = AgentOnTarget) & move = Left: Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Agent | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = AgentOnTarget) & move = Up: Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = AgentOnTarget) & move = Right : Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Agent | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = AgentOnTarget) & move = Down : Agent;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = BoxOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = AgentOnTarget) & move = Left: Box;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Box | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = BoxOnTarget) & (x" <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = Agent | x"
+ <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = AgentOnTarget) & move = Up: Box;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = BoxOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = AgentOnTarget) & move = Right : Box;",
+ " x" <+ x <+ "_" <+ y <+ " = Free & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Box | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = BoxOnTarget) & (x" <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = Agent | x"
+ <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = AgentOnTarget) & move = Down : Box;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Target) & move = Right: Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Free | x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p x y) <+ " = Target) & move = Down: Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Target) & move = Left : Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ "= Free | x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Target) & move = Up : Free;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = BoxOnTarget) & (x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = Target) & move = Right: Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p x y) <+ " = Box | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p x y) <+ " = BoxOnTarget) & (x"
+ <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = Free | x" <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = Target) & move = Down: Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = BoxOnTarget) & (x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = Target) & move = Left: Free;",
+ " x" <+ x <+ "_" <+ y <+ " = Agent & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Box | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = BoxOnTarget) & (x"
+ <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = Free | x" <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = Target) & move = Up: Free;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Box & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = AgentOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Target) & move = Left: Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Box & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Agent | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = AgentOnTarget) & (x" <+ (x-1) <+ "_" <+ (checkY p (x-1) y) <+ " = Free | x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Target) & move = Up: Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Box & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = AgentOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Target) & move = Right : Agent;",
+ " x" <+ x <+ "_" <+ y <+ " = Box & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Agent | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = AgentOnTarget) & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Free | x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p x y) <+ " = Target) & move = Down : Agent;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = AgentOnTarget) & move = Left: AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Agent | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = AgentOnTarget) & move = Up: AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = AgentOnTarget) & move = Right : AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Agent | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = AgentOnTarget) & move = Down : AgentOnTarget;",
+
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = BoxOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+2)) <+ " = AgentOnTarget) & move = Left: BoxOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Box | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = BoxOnTarget) & (x" <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = Agent | x"
+ <+ (checkX p (x+2)) <+ "_" <+ (checkY p (x+2) y) <+ " = AgentOnTarget) & move = Up: BoxOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Box | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = BoxOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-2)) <+ " = AgentOnTarget) & move = Right : BoxOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = Target & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Box | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = BoxOnTarget) & (x" <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = Agent | x"
+ <+ (checkX p (x-2)) <+ "_" <+ (checkY p (x-2) y) <+ " = AgentOnTarget) & move = Down : BoxOnTarget;",
+
+ " x" <+ x <+ "_" <+ y <+ " = AgentOnTarget & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Target) & move = Right: Target;",
+ " x" <+ x <+ "_" <+ y <+ " = AgentOnTarget & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Free | x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Target) & move = Down: Target;",
+ " x" <+ x <+ "_" <+ y <+ " = AgentOnTarget & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Target) & move = Left : Target;",
+ " x" <+ x <+ "_" <+ y <+ " = AgentOnTarget & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Free | x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Target) & move = Up : Target;",
+
+ " x" <+ x <+ "_" <+ y <+ " = BoxOnTarget & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = AgentOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Free | x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Target) & move = Left: AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = BoxOnTarget & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Agent | x"
+ <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = AgentOnTarget) & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Free | x" <+ (checkX p (x-1)) <+ "_"
+ <+ (checkY p (x-1) y) <+ " = Target) & move = Up: AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = BoxOnTarget & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = Agent | x"
+ <+ (checkX p x) <+ "_" <+ (checkY p x (y-1)) <+ " = AgentOnTarget) & (x" <+ (checkX p x) <+ "_" <+ (checkY p x (y+1)) <+ " = Free | x" <+ x <+ "_" <+ (checkY p x (y+1)) <+ " = Target) & move = Right : AgentOnTarget;",
+ " x" <+ x <+ "_" <+ y <+ " = BoxOnTarget & (x" <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = Agent | x"
+ <+ (checkX p (x-1)) <+ "_" <+ (checkY p (x-1) y) <+ " = AgentOnTarget) & (x" <+ (checkX p (x+1)) <+ "_" <+ (checkY p (x+1) y) <+ " = Free | x" <+ (checkX p (x+1)) <+ "_"
+ <+ (checkY p (x+1) y) <+ " = Target) & move = Down : AgentOnTarget;",
+
+ " TRUE : x" <+ x <+ "_" <+ y <+ ";",
+ " esac;"
]
+instance == SokobanTile
+where
+ (==) Wall Wall = True
+ (==) Free Free = True
+ (==) Box Box = True
+ (==) Agent Agent = True
+ (==) Target Target = True
+ (==) TargetBox TargetBox = True
+ (==) TargetAgent TargetAgent = True
+ (==) _ _ = False
+
fromTile :: SokobanTile -> String
fromTile Wall = "Wall"
fromTile Free = "Free"
fromTile TargetAgent = "AgentOnTarget"
fromTile TargetBox = "BoxOnTarget"
-genAll :: SokobanPuzzle -> [String]
+genCond :: [[SokobanTile]] Int Int -> String
+genCond p x y
+ | x < 0 || y < 0 || x > (length p) - 1 = ""
+ | otherwise
+ | y > (length (p !! x) - 1) = ""
+ | otherwise = if ((p !! x) !! y == Target) ("x" <+ x <+ "_" <+ y <+ " = BoxOnTarget") ""
+
+addLogic :: [String] -> [String]
+addLogic [] = []
+addLogic [x] = [x]
+addLogic [x:xs] = [x <+ " & ": addLogic xs]
+
+genAll :: SokobanPuzzle -> String
genAll puzzle = let (Sokoban p) = puzzle in
- [
- "MODULE main\n",
- "VAR\n"
- ]
- ++ [genVars x y \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]
- ++ [" move : {Up, Down, Left, Right};\n"]
- ++ [
- " ASSIGN\n",
- " init(move) := {Up, Down, Left, Right};\n"
- ]
- ++ [genField p x y \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]
- ++ flatten [filter (\x -> not (contains '-' x)) (genCoord p x y) \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]
- ++ [" next(move) := {Up, Down, Left, Right};\n"]
+ join "\n" [
+ "MODULE main"
+ ,"VAR"
+
+ , join "\n" [genVars x y \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]
+ ," move : {Up, Down, Left, Right};"
+ ," ASSIGN"
+ ," init(move) := {Up, Down, Left, Right};"
+ ,join "\n" [genField p x y \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]
+ ,join "\n" (flatten [filter (\x -> not (contains '-' x)) (genCoord p x y) \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]])
+ ," next(move) := {Up, Down, Left, Right};"
+ ,"INVARSPEC !("
+ ,join "\n" (addLogic (filter (\x -> x <> "" ) [genCond p x y \\ x <- [0..(length p - 1)], y <- [0..(length (p !! x) - 1)]]))
+ ,")"]
contains :: Char String -> Bool
contains char str = not (isEmpty [c\\c<-:str | char == c])
# world = fclose file world
= world
-
Start :: *World -> *World
Start w
# (p, w) = parse inpath w
# s = genAll p
# (f, w) = openOutFile w outpath
- # f = writeLines s f
+ # f = fwrites s f
# (ok, w) = closeFile w f
- = w
+ = w
\ No newline at end of file
repositories / mc1516pa.git / blobdiff