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{-# LANGUAGE OverloadedStrings
, ExistentialQuantification
#-}
module Main where
import Interact
import Control.DFST.Lens
import Control.DFST
import Control.Arrow ((&&&))
import Data.Map (Map)
import qualified Data.Map as Map
import Data.Set (Set)
import qualified Data.Set as Set
import Data.Sequence (Seq)
import qualified Data.Sequence as Seq
import Data.List ((\\), inits, tails)
import Data.Char
import System.Environment
import System.Exit
import Debug.Trace
import Data.Universe
data SomeDFST = forall state. (Ord state, Show state, Finite state) => SomeDFST { someDFST :: DFST state Char Char }
data JsonContext = JCInDet | JCDict | JCDictKey | JCDictVal | JCArray | JCArrayVal | JCTop
deriving (Eq, Ord, Show, Read, Enum, Bounded)
instance Universe JsonContext
instance Finite JsonContext
data JsonNewlState = JNElement JsonContext
| JNTrue String JsonContext | JNFalse String JsonContext | JNNull String JsonContext | JNLitEnd JsonContext
| JNString JsonContext | JNStringEsc Int JsonContext | JNStringEnd JsonContext
| JNNumberDigits Bool JsonContext | JNNumberDecimal JsonContext | JNNumberDecimalDigits Bool JsonContext | JNNumberExpSign JsonContext | JNNumberExpDigits Bool JsonContext | JNNumberEnd JsonContext
deriving (Eq, Ord, Show, Read)
instance Universe JsonNewlState where
universe = concat
[ JNElement <$> universeF
, JNTrue <$> inits' "true" <*> universeF
, JNFalse <$> inits' "false" <*> universeF
, JNNull <$> inits' "null" <*> universeF
, JNLitEnd <$> universeF
, JNString <$> universeF
, JNStringEsc <$> [0..4] <*> universeF
, JNStringEnd <$> universeF
, JNNumberDigits <$> universeF <*> universeF
, JNNumberDecimal <$> universeF
, JNNumberDecimalDigits <$> universeF <*> universeF
, JNNumberExpSign <$> universeF
, JNNumberExpDigits <$> universeF <*> universeF
, JNNumberEnd <$> universeF
]
where
inits' xs = inits xs \\ [""]
instance Finite JsonNewlState
jsonStrEscapes :: [(Char, Seq Char)]
jsonStrEscapes = [ ('"', "\\\"")
, ('\\', "\\\\")
, ('/', "/")
, ('b', "\\b")
, ('f', "\\f")
, ('n', "\\n")
, ('r', "\\r")
, ('t', "\\t")
]
hexDigits :: [Char]
hexDigits = ['0'..'9'] ++ ['a'..'f']
data LineBreakState = LineBreak Int
deriving (Eq, Ord, Show, Read)
instance Universe LineBreakState where
universe = [ LineBreak n | n <- [0..80] ]
instance Finite LineBreakState
dfstMap :: String -> Maybe SomeDFST
dfstMap "double" = Just . SomeDFST $ DFST
{ stInitial = ()
, stTransition = mconcat
[ Map.fromList
[(((), sym), ((), Seq.fromList [sym, sym])) | sym <- ['a'..'z'] ++ ['A'..'Z'] ++ ['!', ' ']] -- sym <- [minBound..maxBound], isPrint sym]
, Map.singleton ((), '\n') ((), Seq.singleton '\n')
]
, stAccept = Set.singleton ()
}
dfstMap "id" = Just . SomeDFST $ DFST
{ stInitial = ()
, stTransition = Map.fromList
[(((), sym), ((), Seq.singleton sym)) | sym <- ['a'..'z'] ++ ['A'..'Z'] ++ ['!', ' ']] -- sym <- [minBound..maxBound], isPrint sym]
, stAccept = Set.singleton ()
}
dfstMap "alternate" = Just . SomeDFST $ DFST
{ stInitial = False
, stTransition = mconcat
[ Map.fromList [((False, sym), (True, Seq.singleton sym)) | sym <- ['a'..'z'] ++ ['A'..'Z'] ++ ['!', ' ']] -- sym <- [minBound..maxBound], isPrint sym]
, Map.fromList [((True, sym), (False, Seq.fromList [toUpper sym, toUpper sym])) | sym <- ['a'..'z'] ++ ['A'..'Z'] ++ ['!', ' ']] -- sym <- [minBound..maxBound], isPrint sym]
]
, stAccept = Set.fromList [False]
}
dfstMap "json-newl" = Just . SomeDFST $ DFST
{ stInitial = JNElement JCTop
, stTransition = mconcat
[ Map.fromList [ ((st, sym), (st, Seq.empty))
| sym <- whitespace
, st <- [JNElement, JNStringEnd, JNNumberEnd, JNLitEnd] <*> universeF
]
, Map.fromList [ ((JNElement ctx, '{'), (JNElement JCDict, "{ ")) | ctx <- universeF ]
, Map.fromList [ ((JNElement ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDict, JCInDet] ]
, Map.fromList [ ((JNElement ctx, '['), (JNElement JCArray, "[ ")) | ctx <- universeF ]
, Map.fromList [ ((JNElement ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArray, JCInDet] ]
, Map.singleton (JNElement JCInDet, ',') (JNElement JCInDet, "\n, ")
, Map.fromList [ ((JNElement ctx, '"'), (JNString ctx', "\"")) | (ctx, ctx') <- startElemCtxs ]
, Map.fromList [ ((JNString ctx, c), (JNString ctx, Seq.singleton c)) | ctx <- universeF, c <- map toEnum [0..255], isPrint c, c /= '"', c /= '\\' ]
, Map.fromList [ ((JNString ctx, '"'), (JNStringEnd ctx, "\"")) | ctx <- universeF ]
, Map.fromList [ ((JNStringEnd ctx, ':'), (JNElement JCDictVal, " : ")) | ctx <- [JCDictKey, JCInDet] ]
, Map.singleton (JNStringEnd JCArrayVal, ',') (JNElement JCArrayVal, "\n, ")
, Map.singleton (JNStringEnd JCDictVal, ',') (JNElement JCDictKey, "\n, ")
, Map.singleton (JNStringEnd JCInDet, ',') (JNElement JCInDet, "\n, ")
, Map.fromList [ ((JNStringEnd ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((JNStringEnd ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArrayVal, JCInDet] ]
, Map.fromList [ ((JNString ctx, '\\'), (JNStringEsc 0 ctx, mempty)) | ctx <- universeF ]
, Map.fromList [ ((JNStringEsc 0 ctx, c), (JNString ctx, res)) | ctx <- universeF, (c, res) <- jsonStrEscapes ]
, Map.fromList [ ((JNStringEsc 0 ctx, 'u'), (JNStringEsc 1 ctx, "\\u")) | ctx <- universeF ]
, Map.fromList [ ((JNStringEsc n ctx, c'), (JNStringEsc (succ n) ctx, Seq.singleton c)) | ctx <- universeF, c <- hexDigits, c' <- [toLower c, toUpper c], n <- [1..3] ]
, Map.fromList [ ((JNStringEsc 4 ctx, c'), (JNString ctx, Seq.singleton c)) | ctx <- universeF, c <- hexDigits, c' <- [toLower c, toUpper c]]
, mconcat $ do
(lit@(l:_), st) <- literals
id
[ Map.fromList [ ((JNElement ctx, l'), (st (pure l) ctx', Seq.singleton l))
| l' <- [toLower l, toUpper l]
, (ctx, ctx') <- startElemCtxs
]
, Map.fromList [ ((st i ctx, r'), (st (i ++ [r]) ctx, Seq.singleton r))
| (i, t@(r:rs)) <- uncurry zip $ (inits &&& tails) lit
, i /= []
, r' <- [toLower r, toUpper r]
, ctx <- [JCInDet, JCDictKey, JCDictVal, JCArrayVal, JCTop]
]
, Map.fromList [ ((st lit ctx, ':'), (JNElement JCDictVal, " : "))
| ctx <- [JCDictKey, JCInDet]
]
, Map.fromList [ ((st lit ctx, ','), (JNElement JCArrayVal, "\n, "))
| ctx <- [JCArrayVal, JCInDet]
]
, Map.fromList [ ((st lit ctx, ','), (JNElement JCDictKey, "\n, "))
| ctx <- [JCDictVal, JCInDet]
]
, Map.singleton (st lit JCInDet, ',') (JNElement JCInDet, "\n, ")
, Map.fromList [ ((st lit ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((st lit ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArrayVal, JCInDet] ]
, Map.fromList [ ((st lit ctx, sym), (JNLitEnd ctx, Seq.empty)) | ctx <- universeF, sym <- whitespace ]
]
, Map.fromList [ ((JNLitEnd ctx, ':'), (JNElement JCDictVal, " : ")) | ctx <- [JCDictKey, JCInDet] ]
, Map.fromList [ ((JNLitEnd ctx, ','), (JNElement JCArrayVal, "\n, ")) | ctx <- [JCArrayVal, JCInDet] ]
, Map.fromList [ ((JNLitEnd ctx, ','), (JNElement JCDictKey, "\n, ")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((JNLitEnd ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((JNLitEnd ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArrayVal, JCInDet] ]
, Map.fromList [ ((JNElement ctx, '-'), (JNNumberDigits False ctx', "-")) | (ctx, ctx') <- startElemCtxs ]
, Map.fromList [ ((JNElement ctx, '0'), (JNNumberDecimal ctx', "0")) | (ctx, ctx') <- startElemCtxs ]
, Map.fromList [ ((JNElement ctx, dgt), (JNNumberDigits True ctx', Seq.singleton dgt)) | (ctx, ctx') <- startElemCtxs, dgt <- ['1'..'9'] ]
, Map.fromList [ ((JNNumberDigits True ctx, '0'), (JNNumberDigits True ctx, "0")) | ctx <- universeF ]
, Map.fromList [ ((JNNumberDigits b ctx, dgt), (JNNumberDigits True ctx, Seq.singleton dgt)) | ctx <- universeF, dgt <- ['1'..'9'], b <- universeF ]
, Map.fromList [ ((JNNumberDigits True ctx, '.'), (JNNumberDecimalDigits False ctx, ".")) | ctx <- universeF ]
, Map.fromList [ ((JNNumberDecimal ctx, '.'), (JNNumberDecimalDigits False ctx, ".")) | ctx <- universeF ]
, Map.fromList [ ((JNNumberDecimalDigits b ctx, dgt), (JNNumberDecimalDigits True ctx, Seq.singleton dgt)) | ctx <- universeF, dgt <- ['0'..'9'], b <- universeF ]
, Map.fromList [ ((JNNumberDecimalDigits True ctx, e), (JNNumberExpSign ctx, "e")) | ctx <- universeF, e <- "eE" ]
, Map.fromList [ ((JNNumberDigits True ctx, e), (JNNumberExpSign ctx, "e")) | ctx <- universeF, e <- "eE" ]
, Map.fromList [ ((JNNumberDecimal ctx, e), (JNNumberExpSign ctx, "e")) | ctx <- universeF, e <- "eE" ]
, Map.fromList [ ((JNNumberExpSign ctx, sgn), (JNNumberExpDigits False ctx, Seq.singleton sgn)) | ctx <- universeF, sgn <- "+-" ]
, Map.fromList [ ((JNNumberExpSign ctx, dgt), (JNNumberExpDigits True ctx, Seq.singleton dgt)) | ctx <- universeF, dgt <- ['0'..'9'] ]
, Map.fromList [ ((JNNumberExpDigits b ctx, dgt), (JNNumberExpDigits True ctx, Seq.singleton dgt)) | ctx <- universeF, dgt <- ['0'..'9'], b <- universeF ]
, mconcat $ do
end <- [ JNNumberExpDigits True, JNNumberDecimal, JNNumberDigits True, JNNumberDecimalDigits True ]
id
[ Map.fromList [ ((end ctx, ':'), (JNElement JCDictVal, " : ")) | ctx <- [JCDictKey, JCInDet] ]
, Map.singleton (end JCArrayVal, ',') (JNElement JCArrayVal, "\n, ")
, Map.singleton (end JCDictVal, ',') (JNElement JCDictKey, "\n, ")
, Map.singleton (end JCInDet, ',') (JNElement JCInDet, "\n, ")
, Map.fromList [ ((end ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((end ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArrayVal, JCInDet] ]
, Map.fromList [ ((end ctx, sym), (JNNumberEnd ctx, Seq.empty)) | ctx <- universeF, sym <- whitespace ]
]
, Map.fromList [ ((JNNumberEnd ctx, ':'), (JNElement JCDictVal, " : ")) | ctx <- [JCDictKey, JCInDet] ]
, Map.singleton (JNNumberEnd JCArrayVal, ',') (JNElement JCArrayVal, "\n, ")
, Map.singleton (JNNumberEnd JCDictVal, ',') (JNElement JCDictKey, "\n, ")
, Map.singleton (JNNumberEnd JCInDet, ',') (JNElement JCInDet, "\n, ")
, Map.fromList [ ((JNNumberEnd ctx, '}'), (JNElement JCInDet, "\n}\n")) | ctx <- [JCDictVal, JCInDet] ]
, Map.fromList [ ((JNNumberEnd ctx, ']'), (JNElement JCInDet, "\n]\n")) | ctx <- [JCArrayVal, JCInDet] ]
]
, stAccept = Set.fromList $ do
end <- endStates
ctx <- [JCTop, JCInDet]
return $ end ctx
}
where
startElemCtxs = map (\x -> (x, x)) [JCInDet, JCDictKey, JCDictVal, JCArrayVal, JCTop] ++ [(JCArray, JCArrayVal), (JCDict, JCDictKey)]
literals = [ ("true", JNTrue), ("false", JNFalse), ("null", JNNull) ]
whitespace = toEnum <$> [0x0020, 0x0009, 0x000a, 0x000d]
endStates = [JNElement, JNStringEnd, JNNumberExpDigits True, JNNumberDecimal, JNNumberDigits True, JNNumberDecimalDigits True] ++ [ st lit | (lit, st) <- literals]
dfstMap "linebreak" = Just . SomeDFST $ DFST
{ stInitial = LineBreak 0
, stTransition = mconcat
[ Map.fromList [ ((LineBreak n, sym), (LineBreak $ succ n, Seq.singleton sym)) | n <- [0..79], sym <- map toEnum [0..255], isPrint sym, sym /= '\n' ]
, Map.fromList [ ((LineBreak n, '\n'), (LineBreak $ succ n, Seq.singleton ' ')) | n <- [0..79] ]
, Map.singleton (LineBreak 80, ' ') (LineBreak 0, Seq.singleton '\n')
, Map.singleton (LineBreak 80, '\n') (LineBreak 0, Seq.singleton '\n')
, Map.fromList [ ((LineBreak 80, sym), (LineBreak 80, Seq.singleton sym)) | sym <- map toEnum [0..255], isPrint sym, sym /= ' ', sym /= '\n' ]
]
, stAccept = Set.fromList universeF
}
dfstMap _ = Nothing
main :: IO ()
main = do
args <- getArgs
dfst <- case args of
[name] | Just dfst <- dfstMap name
-> return dfst
_ -> exitWith $ ExitFailure 2
interactiveEditLens' dfst
interactiveEditLens' :: SomeDFST -> IO ()
interactiveEditLens' (SomeDFST dfst)
= interactiveEditLens id $ InteractConfig
{ icfgInitial = InitialEmpty
, icfgLens = dfstLens dfst
, icfgCompileError = Nothing
}
|
