{-# LINE 1 "templates/GenericTemplate.hs" #-}
{-# LINE 1 "templates/GenericTemplate.hs" #-}
{-# LINE 1 "<built-in>" #-}
{-# LINE 1 "<command-line>" #-}
{-# LINE 1 "templates/GenericTemplate.hs" #-}
-- -----------------------------------------------------------------------------
-- ALEX TEMPLATE
--
-- This code is in the PUBLIC DOMAIN; you may copy it freely and use
-- it for any purpose whatsoever.

-- -----------------------------------------------------------------------------
-- INTERNALS and main scanner engine

{-# LINE 37 "templates/GenericTemplate.hs" #-}

{-# LINE 47 "templates/GenericTemplate.hs" #-}


data AlexAddr = AlexA# Addr#

#if __GLASGOW_HASKELL__ < 503
uncheckedShiftL# = shiftL#
#endif

{-# INLINE alexIndexInt16OffAddr #-}
alexIndexInt16OffAddr (AlexA# arr) off =
#ifdef WORDS_BIGENDIAN
  narrow16Int# i
  where
        i    = word2Int# ((high `uncheckedShiftL#` 8#) `or#` low)
        high = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
        low  = int2Word# (ord# (indexCharOffAddr# arr off'))
        off' = off *# 2#
#else
  indexInt16OffAddr# arr off
#endif





{-# INLINE alexIndexInt32OffAddr #-}
alexIndexInt32OffAddr (AlexA# arr) off = 
#ifdef WORDS_BIGENDIAN
  narrow32Int# i
  where
   i    = word2Int# ((b3 `uncheckedShiftL#` 24#) `or#`
		     (b2 `uncheckedShiftL#` 16#) `or#`
		     (b1 `uncheckedShiftL#` 8#) `or#` b0)
   b3   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 3#)))
   b2   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 2#)))
   b1   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
   b0   = int2Word# (ord# (indexCharOffAddr# arr off'))
   off' = off *# 4#
#else
  indexInt32OffAddr# arr off
#endif





#if __GLASGOW_HASKELL__ < 503
quickIndex arr i = arr ! i
#else
-- GHC >= 503, unsafeAt is available from Data.Array.Base.
quickIndex = unsafeAt
#endif




-- -----------------------------------------------------------------------------
-- Main lexing routines

data AlexReturn a
  = AlexEOF
  | AlexError  !AlexInput
  | AlexSkip   !AlexInput !Int
  | AlexToken  !AlexInput !Int a

-- alexScan :: AlexInput -> StartCode -> AlexReturn a
alexScan input (I# (sc))
  = alexScanUser undefined input (I# (sc))

alexScanUser user input (I# (sc))
  = case alex_scan_tkn user input 0# input sc AlexNone of
	(AlexNone, input') ->
		case alexGetChar input of
			Nothing -> 



				   AlexEOF
			Just _ ->



				   AlexError input'

	(AlexLastSkip input'' len, _) ->



		AlexSkip input'' len

	(AlexLastAcc k input''' len, _) ->



		AlexToken input''' len k


-- Push the input through the DFA, remembering the most recent accepting
-- state it encountered.

alex_scan_tkn user orig_input len input s last_acc =
  input `seq` -- strict in the input
  let 
	new_acc = check_accs (alex_accept `quickIndex` (I# (s)))
  in
  new_acc `seq`
  case alexGetChar input of
     Nothing -> (new_acc, input)
     Just (c, new_input) -> 



	let
		(base) = alexIndexInt32OffAddr alex_base s
		((I# (ord_c))) = ord c
		(offset) = (base +# ord_c)
		(check)  = alexIndexInt16OffAddr alex_check offset
		
		(new_s) = if (offset >=# 0#) && (check ==# ord_c)
			  then alexIndexInt16OffAddr alex_table offset
			  else alexIndexInt16OffAddr alex_deflt s
	in
	case new_s of 
	    -1# -> (new_acc, input)
		-- on an error, we want to keep the input *before* the
		-- character that failed, not after.
    	    _ -> alex_scan_tkn user orig_input (len +# 1#) 
			new_input new_s new_acc

  where
	check_accs [] = last_acc
	check_accs (AlexAcc a : _) = AlexLastAcc a input (I# (len))
	check_accs (AlexAccSkip : _)  = AlexLastSkip  input (I# (len))
	check_accs (AlexAccPred a predx : rest)
	   | predx user orig_input (I# (len)) input
	   = AlexLastAcc a input (I# (len))
	check_accs (AlexAccSkipPred predx : rest)
	   | predx user orig_input (I# (len)) input
	   = AlexLastSkip input (I# (len))
	check_accs (_ : rest) = check_accs rest

data AlexLastAcc a
  = AlexNone
  | AlexLastAcc a !AlexInput !Int
  | AlexLastSkip  !AlexInput !Int

data AlexAcc a user
  = AlexAcc a
  | AlexAccSkip
  | AlexAccPred a (AlexAccPred user)
  | AlexAccSkipPred (AlexAccPred user)

type AlexAccPred user = user -> AlexInput -> Int -> AlexInput -> Bool

-- -----------------------------------------------------------------------------
-- Predicates on a rule

alexAndPred p1 p2 user in1 len in2
  = p1 user in1 len in2 && p2 user in1 len in2

--alexPrevCharIsPred :: Char -> AlexAccPred _ 
alexPrevCharIs c _ input _ _ = c == alexInputPrevChar input

--alexPrevCharIsOneOfPred :: Array Char Bool -> AlexAccPred _ 
alexPrevCharIsOneOf arr _ input _ _ = arr ! alexInputPrevChar input

--alexRightContext :: Int -> AlexAccPred _
alexRightContext (I# (sc)) user _ _ input = 
     case alex_scan_tkn user input 0# input sc AlexNone of
	  (AlexNone, _) -> False
	  _ -> True
	-- TODO: there's no need to find the longest
	-- match when checking the right context, just
	-- the first match will do.

-- used by wrappers
iUnbox (I# (i)) = i
