{-# OPTIONS_GHC -w #-}
{-# OPTIONS -fglasgow-exts -cpp #-}
-- | Parser for Bnf
module Data.Cfg.Bnf.Parser(parse) where

import qualified Data.Map as M
import Data.Cfg.Bnf.Scanner(scan)
import Data.Cfg.Bnf.Syntax
import Data.Cfg.Bnf.Token
import Data.Cfg.Cfg(Production, V(..), Vs)
import qualified Data.Array as Happy_Data_Array
import qualified GHC.Exts as Happy_GHC_Exts
import Control.Applicative(Applicative(..))

-- parser produced by Happy Version 1.19.4

newtype HappyAbsSyn  = HappyAbsSyn HappyAny
#if __GLASGOW_HASKELL__ >= 607
type HappyAny = Happy_GHC_Exts.Any
#else
type HappyAny = forall a . a
#endif
happyIn4 :: (Grammar String String) -> (HappyAbsSyn )
happyIn4 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn4 #-}
happyOut4 :: (HappyAbsSyn ) -> (Grammar String String)
happyOut4 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut4 #-}
happyIn5 :: ([Production String String]) -> (HappyAbsSyn )
happyIn5 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn5 #-}
happyOut5 :: (HappyAbsSyn ) -> ([Production String String])
happyOut5 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut5 #-}
happyIn6 :: ([Production String String]) -> (HappyAbsSyn )
happyIn6 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn6 #-}
happyOut6 :: (HappyAbsSyn ) -> ([Production String String])
happyOut6 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut6 #-}
happyIn7 :: ([Vs String String]) -> (HappyAbsSyn )
happyIn7 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn7 #-}
happyOut7 :: (HappyAbsSyn ) -> ([Vs String String])
happyOut7 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut7 #-}
happyIn8 :: ([Vs String String]) -> (HappyAbsSyn )
happyIn8 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn8 #-}
happyOut8 :: (HappyAbsSyn ) -> ([Vs String String])
happyOut8 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut8 #-}
happyIn9 :: (Vs String String) -> (HappyAbsSyn )
happyIn9 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn9 #-}
happyOut9 :: (HappyAbsSyn ) -> (Vs String String)
happyOut9 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut9 #-}
happyIn10 :: (Vs String String) -> (HappyAbsSyn )
happyIn10 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn10 #-}
happyOut10 :: (HappyAbsSyn ) -> (Vs String String)
happyOut10 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut10 #-}
happyIn11 :: (V String String) -> (HappyAbsSyn )
happyIn11 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyIn11 #-}
happyOut11 :: (HappyAbsSyn ) -> (V String String)
happyOut11 x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOut11 #-}
happyInTok :: (Token) -> (HappyAbsSyn )
happyInTok x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyInTok #-}
happyOutTok :: (HappyAbsSyn ) -> (Token)
happyOutTok x = Happy_GHC_Exts.unsafeCoerce# x
{-# INLINE happyOutTok #-}


happyActOffsets :: HappyAddr
happyActOffsets = HappyA# "\x11\x00\x11\x00\x11\x00\x00\x00\x10\x00\x0c\x00\x00\x00\x00\x00\x0f\x00\x0e\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"#

happyGotoOffsets :: HappyAddr
happyGotoOffsets = HappyA# "\x05\x00\x0d\x00\x09\x00\x00\x00\x00\x00\x00\x00\xfe\xff\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00"#

happyDefActions :: HappyAddr
happyDefActions = HappyA# "\x00\x00\x00\x00\xfe\xff\xfc\xff\x00\x00\x00\x00\xf5\xff\xfd\xff\x00\x00\xfa\xff\xf8\xff\xf7\xff\xf6\xff\xf3\xff\xf4\xff\xf5\xff\xfb\xff\xf9\xff"#

happyCheck :: HappyAddr
happyCheck = HappyA# "\xff\xff\x03\x00\x04\x00\x05\x00\x06\x00\x00\x00\x01\x00\x02\x00\x02\x00\x07\x00\x04\x00\x02\x00\x05\x00\x06\x00\x01\x00\x02\x00\x01\x00\x03\x00\x06\x00\x02\x00\xff\xff\x05\x00\xff\xff\xff\xff\xff\xff\xff\xff"#

happyTable :: HappyAddr
happyTable = HappyA# "\x00\x00\x08\x00\x09\x00\x0a\x00\x0b\x00\x05\x00\x02\x00\x03\x00\x0e\x00\x0c\x00\x0f\x00\x07\x00\x11\x00\x0b\x00\x02\x00\x03\x00\x11\x00\x10\x00\xff\xff\x05\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00"#

happyReduceArr = Happy_Data_Array.array (1, 12) [
	(1 , happyReduce_1),
	(2 , happyReduce_2),
	(3 , happyReduce_3),
	(4 , happyReduce_4),
	(5 , happyReduce_5),
	(6 , happyReduce_6),
	(7 , happyReduce_7),
	(8 , happyReduce_8),
	(9 , happyReduce_9),
	(10 , happyReduce_10),
	(11 , happyReduce_11),
	(12 , happyReduce_12)
	]

happy_n_terms = 7 :: Int
happy_n_nonterms = 8 :: Int

happyReduce_1 = happySpecReduce_1  0# happyReduction_1
happyReduction_1 happy_x_1
	 =  case happyOut5 happy_x_1 of { happy_var_1 -> 
	happyIn4
		 (Grammar happy_var_1
	)}

happyReduce_2 = happySpecReduce_2  1# happyReduction_2
happyReduction_2 happy_x_2
	happy_x_1
	 =  case happyOut5 happy_x_1 of { happy_var_1 -> 
	case happyOut6 happy_x_2 of { happy_var_2 -> 
	happyIn5
		 (happy_var_1 ++ happy_var_2
	)}}

happyReduce_3 = happySpecReduce_1  1# happyReduction_3
happyReduction_3 happy_x_1
	 =  case happyOut6 happy_x_1 of { happy_var_1 -> 
	happyIn5
		 (happy_var_1
	)}

happyReduce_4 = happyReduce 4# 2# happyReduction_4
happyReduction_4 (happy_x_4 `HappyStk`
	happy_x_3 `HappyStk`
	happy_x_2 `HappyStk`
	happy_x_1 `HappyStk`
	happyRest)
	 = case happyOutTok happy_x_1 of { (Token LOWER_IDENTIFIER happy_var_1) -> 
	case happyOut7 happy_x_3 of { happy_var_3 -> 
	happyIn6
		 ([ (happy_var_1, alt) | alt <- happy_var_3 ]
	) `HappyStk` happyRest}}

happyReduce_5 = happySpecReduce_1  3# happyReduction_5
happyReduction_5 happy_x_1
	 =  case happyOut8 happy_x_1 of { happy_var_1 -> 
	happyIn7
		 (happy_var_1
	)}

happyReduce_6 = happySpecReduce_3  4# happyReduction_6
happyReduction_6 happy_x_3
	happy_x_2
	happy_x_1
	 =  case happyOut8 happy_x_1 of { happy_var_1 -> 
	case happyOut9 happy_x_3 of { happy_var_3 -> 
	happyIn8
		 (happy_var_1 ++ [ happy_var_3 ]
	)}}

happyReduce_7 = happySpecReduce_1  4# happyReduction_7
happyReduction_7 happy_x_1
	 =  case happyOut9 happy_x_1 of { happy_var_1 -> 
	happyIn8
		 ([ happy_var_1 ]
	)}

happyReduce_8 = happySpecReduce_1  5# happyReduction_8
happyReduction_8 happy_x_1
	 =  case happyOut10 happy_x_1 of { happy_var_1 -> 
	happyIn9
		 (happy_var_1
	)}

happyReduce_9 = happySpecReduce_2  6# happyReduction_9
happyReduction_9 happy_x_2
	happy_x_1
	 =  case happyOut10 happy_x_1 of { happy_var_1 -> 
	case happyOut11 happy_x_2 of { happy_var_2 -> 
	happyIn10
		 (happy_var_1 ++ [ happy_var_2 ]
	)}}

happyReduce_10 = happySpecReduce_0  6# happyReduction_10
happyReduction_10  =  happyIn10
		 ([]
	)

happyReduce_11 = happySpecReduce_1  7# happyReduction_11
happyReduction_11 happy_x_1
	 =  case happyOutTok happy_x_1 of { (Token UPPER_IDENTIFIER happy_var_1) -> 
	happyIn11
		 (T happy_var_1
	)}

happyReduce_12 = happySpecReduce_1  7# happyReduction_12
happyReduction_12 happy_x_1
	 =  case happyOutTok happy_x_1 of { (Token LOWER_IDENTIFIER happy_var_1) -> 
	happyIn11
		 (NT happy_var_1
	)}

happyNewToken action sts stk [] =
	happyDoAction 6# notHappyAtAll action sts stk []

happyNewToken action sts stk (tk:tks) =
	let cont i = happyDoAction i tk action sts stk tks in
	case tk of {
	Token FULL_STOP happy_dollar_dollar -> cont 1#;
	Token LOWER_IDENTIFIER happy_dollar_dollar -> cont 2#;
	Token OR happy_dollar_dollar -> cont 3#;
	Token UPPER_IDENTIFIER happy_dollar_dollar -> cont 4#;
	Token YIELDS happy_dollar_dollar -> cont 5#;
	_ -> happyError' (tk:tks)
	}

happyError_ 6# tk tks = happyError' tks
happyError_ _ tk tks = happyError' (tk:tks)

newtype HappyIdentity a = HappyIdentity a
happyIdentity = HappyIdentity
happyRunIdentity (HappyIdentity a) = a

instance Functor HappyIdentity where
    fmap f (HappyIdentity a) = HappyIdentity (f a)

instance Applicative HappyIdentity where
    pure    = return
    a <*> b = (fmap id a) <*> b
instance Monad HappyIdentity where
    return = HappyIdentity
    (HappyIdentity p) >>= q = q p

happyThen :: () => HappyIdentity a -> (a -> HappyIdentity b) -> HappyIdentity b
happyThen = (>>=)
happyReturn :: () => a -> HappyIdentity a
happyReturn = (return)
happyThen1 m k tks = (>>=) m (\a -> k a tks)
happyReturn1 :: () => a -> b -> HappyIdentity a
happyReturn1 = \a tks -> (return) a
happyError' :: () => [(Token)] -> HappyIdentity a
happyError' = HappyIdentity . parseError

parseTokens tks = happyRunIdentity happySomeParser where
  happySomeParser = happyThen (happyParse 0# tks) (\x -> happyReturn (happyOut4 x))

happySeq = happyDontSeq


parseError :: [Token] -> a
parseError ts = error $ "parseError at: " ++ show ts

-- | Parses Bnf source into a 'Grammar'.
parse :: String -> Grammar String String
parse = parseTokens . scan

-- | Parses a list of 'Token's into a 'Grammar'.
parseTokens :: [Token] -> Grammar String String
{-# LINE 1 "templates/GenericTemplate.hs" #-}
-- Id: GenericTemplate.hs,v 1.26 2005/01/14 14:47:22 simonmar Exp 







-- Do not remove this comment. Required to fix CPP parsing when using GCC and a clang-compiled alex.
#if __GLASGOW_HASKELL__ > 706
#define LT(n,m) ((Happy_GHC_Exts.tagToEnum# (n Happy_GHC_Exts.<# m)) :: Bool)
#define GTE(n,m) ((Happy_GHC_Exts.tagToEnum# (n Happy_GHC_Exts.>=# m)) :: Bool)
#define EQ(n,m) ((Happy_GHC_Exts.tagToEnum# (n Happy_GHC_Exts.==# m)) :: Bool)
#else
#define LT(n,m) (n Happy_GHC_Exts.<# m)
#define GTE(n,m) (n Happy_GHC_Exts.>=# m)
#define EQ(n,m) (n Happy_GHC_Exts.==# m)
#endif



data Happy_IntList = HappyCons Happy_GHC_Exts.Int# Happy_IntList


















infixr 9 `HappyStk`
data HappyStk a = HappyStk a (HappyStk a)

-----------------------------------------------------------------------------
-- starting the parse

happyParse start_state = happyNewToken start_state notHappyAtAll notHappyAtAll

-----------------------------------------------------------------------------
-- Accepting the parse

-- If the current token is 0#, it means we've just accepted a partial
-- parse (a %partial parser).  We must ignore the saved token on the top of
-- the stack in this case.
happyAccept 0# tk st sts (_ `HappyStk` ans `HappyStk` _) =
        happyReturn1 ans
happyAccept j tk st sts (HappyStk ans _) = 
        (happyTcHack j (happyTcHack st)) (happyReturn1 ans)

-----------------------------------------------------------------------------
-- Arrays only: do the next action



happyDoAction i tk st
        = {- nothing -}
          

          case action of
                0#           -> {- nothing -}
                                     happyFail i tk st
                -1#          -> {- nothing -}
                                     happyAccept i tk st
                n | LT(n,(0# :: Happy_GHC_Exts.Int#)) -> {- nothing -}
                                                   
                                                   (happyReduceArr Happy_Data_Array.! rule) i tk st
                                                   where rule = (Happy_GHC_Exts.I# ((Happy_GHC_Exts.negateInt# ((n Happy_GHC_Exts.+# (1# :: Happy_GHC_Exts.Int#))))))
                n                 -> {- nothing -}
                                     

                                     happyShift new_state i tk st
                                     where new_state = (n Happy_GHC_Exts.-# (1# :: Happy_GHC_Exts.Int#))
   where off    = indexShortOffAddr happyActOffsets st
         off_i  = (off Happy_GHC_Exts.+# i)
         check  = if GTE(off_i,(0# :: Happy_GHC_Exts.Int#))
                  then EQ(indexShortOffAddr happyCheck off_i, i)
                  else False
         action
          | check     = indexShortOffAddr happyTable off_i
          | otherwise = indexShortOffAddr happyDefActions st


indexShortOffAddr (HappyA# arr) off =
        Happy_GHC_Exts.narrow16Int# i
  where
        i = Happy_GHC_Exts.word2Int# (Happy_GHC_Exts.or# (Happy_GHC_Exts.uncheckedShiftL# high 8#) low)
        high = Happy_GHC_Exts.int2Word# (Happy_GHC_Exts.ord# (Happy_GHC_Exts.indexCharOffAddr# arr (off' Happy_GHC_Exts.+# 1#)))
        low  = Happy_GHC_Exts.int2Word# (Happy_GHC_Exts.ord# (Happy_GHC_Exts.indexCharOffAddr# arr off'))
        off' = off Happy_GHC_Exts.*# 2#





data HappyAddr = HappyA# Happy_GHC_Exts.Addr#




-----------------------------------------------------------------------------
-- HappyState data type (not arrays)



-----------------------------------------------------------------------------
-- Shifting a token

happyShift new_state 0# tk st sts stk@(x `HappyStk` _) =
     let i = (case Happy_GHC_Exts.unsafeCoerce# x of { (Happy_GHC_Exts.I# (i)) -> i }) in
--     trace "shifting the error token" $
     happyDoAction i tk new_state (HappyCons (st) (sts)) (stk)

happyShift new_state i tk st sts stk =
     happyNewToken new_state (HappyCons (st) (sts)) ((happyInTok (tk))`HappyStk`stk)

-- happyReduce is specialised for the common cases.

happySpecReduce_0 i fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happySpecReduce_0 nt fn j tk st@((action)) sts stk
     = happyGoto nt j tk st (HappyCons (st) (sts)) (fn `HappyStk` stk)

happySpecReduce_1 i fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happySpecReduce_1 nt fn j tk _ sts@((HappyCons (st@(action)) (_))) (v1`HappyStk`stk')
     = let r = fn v1 in
       happySeq r (happyGoto nt j tk st sts (r `HappyStk` stk'))

happySpecReduce_2 i fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happySpecReduce_2 nt fn j tk _ (HappyCons (_) (sts@((HappyCons (st@(action)) (_))))) (v1`HappyStk`v2`HappyStk`stk')
     = let r = fn v1 v2 in
       happySeq r (happyGoto nt j tk st sts (r `HappyStk` stk'))

happySpecReduce_3 i fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happySpecReduce_3 nt fn j tk _ (HappyCons (_) ((HappyCons (_) (sts@((HappyCons (st@(action)) (_))))))) (v1`HappyStk`v2`HappyStk`v3`HappyStk`stk')
     = let r = fn v1 v2 v3 in
       happySeq r (happyGoto nt j tk st sts (r `HappyStk` stk'))

happyReduce k i fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happyReduce k nt fn j tk st sts stk
     = case happyDrop (k Happy_GHC_Exts.-# (1# :: Happy_GHC_Exts.Int#)) sts of
         sts1@((HappyCons (st1@(action)) (_))) ->
                let r = fn stk in  -- it doesn't hurt to always seq here...
                happyDoSeq r (happyGoto nt j tk st1 sts1 r)

happyMonadReduce k nt fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happyMonadReduce k nt fn j tk st sts stk =
      case happyDrop k (HappyCons (st) (sts)) of
        sts1@((HappyCons (st1@(action)) (_))) ->
          let drop_stk = happyDropStk k stk in
          happyThen1 (fn stk tk) (\r -> happyGoto nt j tk st1 sts1 (r `HappyStk` drop_stk))

happyMonad2Reduce k nt fn 0# tk st sts stk
     = happyFail 0# tk st sts stk
happyMonad2Reduce k nt fn j tk st sts stk =
      case happyDrop k (HappyCons (st) (sts)) of
        sts1@((HappyCons (st1@(action)) (_))) ->
         let drop_stk = happyDropStk k stk

             off = indexShortOffAddr happyGotoOffsets st1
             off_i = (off Happy_GHC_Exts.+# nt)
             new_state = indexShortOffAddr happyTable off_i



          in
          happyThen1 (fn stk tk) (\r -> happyNewToken new_state sts1 (r `HappyStk` drop_stk))

happyDrop 0# l = l
happyDrop n (HappyCons (_) (t)) = happyDrop (n Happy_GHC_Exts.-# (1# :: Happy_GHC_Exts.Int#)) t

happyDropStk 0# l = l
happyDropStk n (x `HappyStk` xs) = happyDropStk (n Happy_GHC_Exts.-# (1#::Happy_GHC_Exts.Int#)) xs

-----------------------------------------------------------------------------
-- Moving to a new state after a reduction


happyGoto nt j tk st = 
   {- nothing -}
   happyDoAction j tk new_state
   where off = indexShortOffAddr happyGotoOffsets st
         off_i = (off Happy_GHC_Exts.+# nt)
         new_state = indexShortOffAddr happyTable off_i




-----------------------------------------------------------------------------
-- Error recovery (0# is the error token)

-- parse error if we are in recovery and we fail again
happyFail 0# tk old_st _ stk@(x `HappyStk` _) =
     let i = (case Happy_GHC_Exts.unsafeCoerce# x of { (Happy_GHC_Exts.I# (i)) -> i }) in
--      trace "failing" $ 
        happyError_ i tk

{-  We don't need state discarding for our restricted implementation of
    "error".  In fact, it can cause some bogus parses, so I've disabled it
    for now --SDM

-- discard a state
happyFail  0# tk old_st (HappyCons ((action)) (sts)) 
                                                (saved_tok `HappyStk` _ `HappyStk` stk) =
--      trace ("discarding state, depth " ++ show (length stk))  $
        happyDoAction 0# tk action sts ((saved_tok`HappyStk`stk))
-}

-- Enter error recovery: generate an error token,
--                       save the old token and carry on.
happyFail  i tk (action) sts stk =
--      trace "entering error recovery" $
        happyDoAction 0# tk action sts ( (Happy_GHC_Exts.unsafeCoerce# (Happy_GHC_Exts.I# (i))) `HappyStk` stk)

-- Internal happy errors:

notHappyAtAll :: a
notHappyAtAll = error "Internal Happy error\n"

-----------------------------------------------------------------------------
-- Hack to get the typechecker to accept our action functions


happyTcHack :: Happy_GHC_Exts.Int# -> a -> a
happyTcHack x y = y
{-# INLINE happyTcHack #-}


-----------------------------------------------------------------------------
-- Seq-ing.  If the --strict flag is given, then Happy emits 
--      happySeq = happyDoSeq
-- otherwise it emits
--      happySeq = happyDontSeq

happyDoSeq, happyDontSeq :: a -> b -> b
happyDoSeq   a b = a `seq` b
happyDontSeq a b = b

-----------------------------------------------------------------------------
-- Don't inline any functions from the template.  GHC has a nasty habit
-- of deciding to inline happyGoto everywhere, which increases the size of
-- the generated parser quite a bit.


{-# NOINLINE happyDoAction #-}
{-# NOINLINE happyTable #-}
{-# NOINLINE happyCheck #-}
{-# NOINLINE happyActOffsets #-}
{-# NOINLINE happyGotoOffsets #-}
{-# NOINLINE happyDefActions #-}

{-# NOINLINE happyShift #-}
{-# NOINLINE happySpecReduce_0 #-}
{-# NOINLINE happySpecReduce_1 #-}
{-# NOINLINE happySpecReduce_2 #-}
{-# NOINLINE happySpecReduce_3 #-}
{-# NOINLINE happyReduce #-}
{-# NOINLINE happyMonadReduce #-}
{-# NOINLINE happyGoto #-}
{-# NOINLINE happyFail #-}

-- end of Happy Template.