{-# OPTIONS_GHC -w #-} {-# OPTIONS -fglasgow-exts -cpp #-} module HERMIT.Parser ( Script , parseScript , unparseScript , unparseExprH , ExprH(..) ) where import Data.Char (isSpace) import Data.List (intercalate) import Control.Monad ((>=>)) import HERMIT.Syntax (isScriptInfixIdChar, isScriptIdFirstChar, isScriptIdChar) import qualified Data.Array as Happy_Data_Array import qualified GHC.Exts as Happy_GHC_Exts -- parser produced by Happy Version 1.19.3 newtype HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11 = HappyAbsSyn HappyAny #if __GLASGOW_HASKELL__ >= 607 type HappyAny = Happy_GHC_Exts.Any #else type HappyAny = forall a . a #endif happyIn4 :: t4 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn4 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn4 #-} happyOut4 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t4 happyOut4 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut4 #-} happyIn5 :: t5 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn5 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn5 #-} happyOut5 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t5 happyOut5 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut5 #-} happyIn6 :: t6 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn6 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn6 #-} happyOut6 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t6 happyOut6 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut6 #-} happyIn7 :: t7 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn7 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn7 #-} happyOut7 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t7 happyOut7 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut7 #-} happyIn8 :: t8 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn8 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn8 #-} happyOut8 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t8 happyOut8 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut8 #-} happyIn9 :: t9 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn9 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn9 #-} happyOut9 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t9 happyOut9 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut9 #-} happyIn10 :: t10 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn10 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn10 #-} happyOut10 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t10 happyOut10 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut10 #-} happyIn11 :: t11 -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyIn11 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyIn11 #-} happyOut11 :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> t11 happyOut11 x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOut11 #-} happyInTok :: (Token) -> (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) happyInTok x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyInTok #-} happyOutTok :: (HappyAbsSyn t4 t5 t6 t7 t8 t9 t10 t11) -> (Token) happyOutTok x = Happy_GHC_Exts.unsafeCoerce# x {-# INLINE happyOutTok #-} happyActOffsets :: HappyAddr happyActOffsets = HappyA# "\x0e\x00\x1e\x00\x0e\x00\x06\x00\x00\x00\x00\x00\xfd\xff\x01\x00\x00\x00\x1a\x00\x0e\x00\x1a\x00\x0e\x00\x49\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x09\x00\x00\x00\x00\x00\x02\x00\x00\x00\x1a\x00\x0e\x00\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1a\x00\x00\x00\x00\x00"# happyGotoOffsets :: HappyAddr happyGotoOffsets = HappyA# "\x45\x00\x00\x00\x3f\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\x00\x00\x4d\x00\x39\x00\x48\x00\x33\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x2d\x00\x27\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x19\x00\x00\x00\x00\x00"# happyDefActions :: HappyAddr happyDefActions = HappyA# "\xfa\xff\x00\x00\xfa\xff\x00\x00\xfc\xff\xfb\xff\xf9\xff\xf4\xff\xf2\xff\x00\x00\xfa\xff\xe8\xff\xfa\xff\x00\x00\xed\xff\xee\xff\xea\xff\xef\xff\xf1\xff\xf0\xff\xf6\xff\xe7\xff\x00\x00\xe9\xff\xfd\xff\x00\x00\xf3\xff\x00\x00\xfa\xff\xfa\xff\xfe\xff\xf7\xff\xf8\xff\xf5\xff\xeb\xff\xec\xff\x00\x00\xe6\xff"# happyCheck :: HappyAddr happyCheck = HappyA# "\xff\xff\x04\x00\x01\x00\x05\x00\x02\x00\x08\x00\x05\x00\x03\x00\x04\x00\x05\x00\x09\x00\x0a\x00\x0b\x00\x0c\x00\x0d\x00\x01\x00\x07\x00\x03\x00\x04\x00\x05\x00\x0e\x00\x06\x00\x08\x00\x09\x00\x0a\x00\x0b\x00\x0c\x00\x01\x00\x03\x00\x04\x00\x05\x00\x05\x00\x07\x00\x03\x00\xff\xff\x09\x00\x0a\x00\x0b\x00\x0c\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x00\x00\x01\x00\x02\x00\x03\x00\x04\x00\x05\x00\x03\x00\x04\x00\x05\x00\x06\x00\x07\x00\x03\x00\x04\x00\x05\x00\xff\xff\x0b\x00\x0c\x00\x0d\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"# happyTable :: HappyAddr happyTable = HappyA# "\x00\x00\x1d\x00\x0a\x00\x1a\x00\x23\x00\x1e\x00\x0c\x00\x21\x00\x07\x00\x08\x00\x0e\x00\x0f\x00\x10\x00\x11\x00\x1c\x00\x0a\x00\x24\x00\x03\x00\x0b\x00\x0c\x00\xff\xff\x25\x00\x0d\x00\x0e\x00\x0f\x00\x10\x00\x11\x00\x0a\x00\x15\x00\x07\x00\x08\x00\x0c\x00\x25\x00\x03\x00\x00\x00\x0e\x00\x0f\x00\x10\x00\x11\x00\x1f\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x20\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x14\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x18\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x1e\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x03\x00\x04\x00\x05\x00\x06\x00\x07\x00\x08\x00\x15\x00\x07\x00\x08\x00\x16\x00\x17\x00\x19\x00\x07\x00\x08\x00\x00\x00\x12\x00\x13\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"# happyReduceArr = Happy_Data_Array.array (1, 25) [ (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), (13 , happyReduce_13), (14 , happyReduce_14), (15 , happyReduce_15), (16 , happyReduce_16), (17 , happyReduce_17), (18 , happyReduce_18), (19 , happyReduce_19), (20 , happyReduce_20), (21 , happyReduce_21), (22 , happyReduce_22), (23 , happyReduce_23), (24 , happyReduce_24), (25 , happyReduce_25) ] happy_n_terms = 15 :: Int happy_n_nonterms = 8 :: Int happyReduce_1 = happySpecReduce_2 0# happyReduction_1 happyReduction_1 happy_x_2 happy_x_1 = case happyOut4 happy_x_2 of { happy_var_2 -> happyIn4 (CmdName "{" : happy_var_2 )} happyReduce_2 = happySpecReduce_2 0# happyReduction_2 happyReduction_2 happy_x_2 happy_x_1 = case happyOut4 happy_x_2 of { happy_var_2 -> happyIn4 (CmdName "}" : happy_var_2 )} happyReduce_3 = happySpecReduce_1 0# happyReduction_3 happyReduction_3 happy_x_1 = case happyOut5 happy_x_1 of { happy_var_1 -> happyIn4 (happy_var_1 )} happyReduce_4 = happySpecReduce_1 1# happyReduction_4 happyReduction_4 happy_x_1 = case happyOut6 happy_x_1 of { happy_var_1 -> happyIn5 (happy_var_1 )} happyReduce_5 = happySpecReduce_0 1# happyReduction_5 happyReduction_5 = happyIn5 ([] ) happyReduce_6 = happySpecReduce_1 2# happyReduction_6 happyReduction_6 happy_x_1 = case happyOut7 happy_x_1 of { happy_var_1 -> happyIn6 ([happy_var_1] )} happyReduce_7 = happySpecReduce_3 2# happyReduction_7 happyReduction_7 happy_x_3 happy_x_2 happy_x_1 = case happyOut7 happy_x_1 of { happy_var_1 -> case happyOut4 happy_x_3 of { happy_var_3 -> happyIn6 ([happy_var_1, CmdName "}"] ++ happy_var_3 )}} happyReduce_8 = happySpecReduce_3 2# happyReduction_8 happyReduction_8 happy_x_3 happy_x_2 happy_x_1 = case happyOut7 happy_x_1 of { happy_var_1 -> case happyOut4 happy_x_3 of { happy_var_3 -> happyIn6 (happy_var_1 : happy_var_3 )}} happyReduce_9 = happySpecReduce_2 2# happyReduction_9 happyReduction_9 happy_x_2 happy_x_1 = case happyOut4 happy_x_2 of { happy_var_2 -> happyIn6 (happy_var_2 )} happyReduce_10 = happySpecReduce_3 3# happyReduction_10 happyReduction_10 happy_x_3 happy_x_2 happy_x_1 = case happyOut8 happy_x_1 of { happy_var_1 -> case happyOutTok happy_x_2 of { (InfixOp happy_var_2) -> case happyOut7 happy_x_3 of { happy_var_3 -> happyIn7 (AppH (AppH (CmdName happy_var_2) happy_var_1) happy_var_3 )}}} happyReduce_11 = happySpecReduce_1 3# happyReduction_11 happyReduction_11 happy_x_1 = case happyOut8 happy_x_1 of { happy_var_1 -> happyIn7 (happy_var_1 )} happyReduce_12 = happySpecReduce_2 4# happyReduction_12 happyReduction_12 happy_x_2 happy_x_1 = case happyOut8 happy_x_1 of { happy_var_1 -> case happyOut9 happy_x_2 of { happy_var_2 -> happyIn8 (AppH happy_var_1 happy_var_2 )}} happyReduce_13 = happySpecReduce_1 4# happyReduction_13 happyReduction_13 happy_x_1 = case happyOut9 happy_x_1 of { happy_var_1 -> happyIn8 (happy_var_1 )} happyReduce_14 = happySpecReduce_2 5# happyReduction_14 happyReduction_14 happy_x_2 happy_x_1 = case happyOutTok happy_x_2 of { (Ident happy_var_2) -> happyIn9 (SrcName happy_var_2 )} happyReduce_15 = happySpecReduce_2 5# happyReduction_15 happyReduction_15 happy_x_2 happy_x_1 = case happyOutTok happy_x_2 of { (InfixOp happy_var_2) -> happyIn9 (SrcName happy_var_2 )} happyReduce_16 = happySpecReduce_2 5# happyReduction_16 happyReduction_16 happy_x_2 happy_x_1 = case happyOutTok happy_x_2 of { (Quote happy_var_2) -> happyIn9 (SrcName happy_var_2 )} happyReduce_17 = happySpecReduce_1 5# happyReduction_17 happyReduction_17 happy_x_1 = case happyOutTok happy_x_1 of { (Quote happy_var_1) -> happyIn9 (CmdName happy_var_1 )} happyReduce_18 = happySpecReduce_1 5# happyReduction_18 happyReduction_18 happy_x_1 = case happyOutTok happy_x_1 of { (CoreString happy_var_1) -> happyIn9 (CoreH happy_var_1 )} happyReduce_19 = happySpecReduce_3 5# happyReduction_19 happyReduction_19 happy_x_3 happy_x_2 happy_x_1 = case happyOut10 happy_x_2 of { happy_var_2 -> happyIn9 (ListH happy_var_2 )} happyReduce_20 = happySpecReduce_3 5# happyReduction_20 happyReduction_20 happy_x_3 happy_x_2 happy_x_1 = case happyOut7 happy_x_2 of { happy_var_2 -> happyIn9 (happy_var_2 )} happyReduce_21 = happySpecReduce_1 5# happyReduction_21 happyReduction_21 happy_x_1 = case happyOutTok happy_x_1 of { (Ident happy_var_1) -> happyIn9 (CmdName happy_var_1 )} happyReduce_22 = happySpecReduce_1 6# happyReduction_22 happyReduction_22 happy_x_1 = case happyOut11 happy_x_1 of { happy_var_1 -> happyIn10 (happy_var_1 )} happyReduce_23 = happySpecReduce_0 6# happyReduction_23 happyReduction_23 = happyIn10 ([] ) happyReduce_24 = happySpecReduce_1 7# happyReduction_24 happyReduction_24 happy_x_1 = case happyOut7 happy_x_1 of { happy_var_1 -> happyIn11 ([happy_var_1] )} happyReduce_25 = happySpecReduce_3 7# happyReduction_25 happyReduction_25 happy_x_3 happy_x_2 happy_x_1 = case happyOut7 happy_x_1 of { happy_var_1 -> case happyOut11 happy_x_3 of { happy_var_3 -> happyIn11 (happy_var_1 : happy_var_3 )}} happyNewToken action sts stk [] = happyDoAction 14# notHappyAtAll action sts stk [] happyNewToken action sts stk (tk:tks) = let cont i = happyDoAction i tk action sts stk tks in case tk of { ParenLeft -> cont 1#; ParenRight -> cont 2#; ScopeStart -> cont 3#; ScopeEnd -> cont 4#; ListStart -> cont 5#; ListDelim -> cont 6#; ListEnd -> cont 7#; StmtEnd -> cont 8#; Tick -> cont 9#; CoreString happy_dollar_dollar -> cont 10#; Quote happy_dollar_dollar -> cont 11#; Ident happy_dollar_dollar -> cont 12#; InfixOp happy_dollar_dollar -> cont 13#; _ -> happyError' (tk:tks) } happyError_ 14# tk tks = happyError' tks happyError_ _ tk tks = happyError' (tk:tks) happyThen :: () => Either String a -> (a -> Either String b) -> Either String b happyThen = (>>=) happyReturn :: () => a -> Either String a happyReturn = (return) happyThen1 m k tks = (>>=) m (\a -> k a tks) happyReturn1 :: () => a -> b -> Either String a happyReturn1 = \a tks -> (return) a happyError' :: () => [(Token)] -> Either String a happyError' = parseError parser tks = happySomeParser where happySomeParser = happyThen (happyParse 0# tks) (\x -> happyReturn (happyOut4 x)) happySeq = happyDontSeq parseError :: [Token] -> Either String a parseError ts = Left $ "Parse error: " ++ show ts -- | A simple expression language AST, for things parsed from 'String' or JSON structures. data ExprH = SrcName String -- ^ Variable names (refers to source code). | CmdName String -- ^ Commands (to be looked up in 'HERMIT.Dictionary'). | AppH ExprH ExprH -- ^ Application. | CoreH String -- ^ Core Fragment | ListH [ExprH] -- ^ List of expressions deriving (Eq, Show) data Token = ParenLeft | ParenRight | ScopeStart | ScopeEnd | ListStart | ListDelim | ListEnd | StmtEnd | Tick | CoreString String | Quote String | Ident String | InfixOp String deriving (Eq, Show) lexError :: String -> Either String a lexError msg = Left ("Lexer error: " ++ msg) lexer :: String -> Either String [Token] lexer [] = Right [] lexer ('\n':cs) = fmap (StmtEnd:) $ lexer cs lexer (';' :cs) = fmap (StmtEnd:) $ lexer cs lexer ('(' :cs) = fmap (ParenLeft:) $ lexer cs lexer (')' :cs) = fmap (ParenRight:) $ lexer cs lexer ('{' :cs) = fmap (ScopeStart:) $ lexer cs lexer ('}' :cs) = fmap (ScopeEnd:) $ lexer cs lexer ('\'':cs) = fmap (Tick:) $ lexer cs lexer ('\"':cs) = do (str,cs') <- lexString cs fmap (Quote str:) $ lexer cs' lexer ('[':'|':cs) = do (str,cs') <- lexCore cs fmap (CoreString str:) $ lexer cs' lexer ('-':'-':cs) = let (_,s') = span (/= '\n') cs in lexer s' lexer ('[' :cs) = fmap (ListStart:) $ lexer cs lexer (',' :cs) = fmap (ListDelim:) $ lexer cs lexer (']' :cs) = fmap (ListEnd:) $ lexer cs lexer s@(c:cs) | isSpace c = lexer cs | isScriptIdFirstChar c = let (i,s') = span isScriptIdChar s in fmap (Ident i:) $ lexer s' | isScriptInfixIdChar c = let (op,s') = span isScriptInfixIdChar s in fmap (InfixOp op:) $ lexer s' lexer s = lexError $ "no match on " ++ s lexString :: String -> Either String (String,String) lexString ('\"':cs) = Right ([],cs) lexString ('\\':'\"':cs) = do (c',r) <- lexString cs return ('"':c',r) lexString (c:cs) = do (c',r) <- lexString cs return (c:c',r) lexString [] = lexError "no matching quote" lexCore :: String -> Either String (String,String) lexCore ('|':']':rest) = Right ([],rest) lexCore (c:cs) = do (c',r) <- lexCore cs return (c:c',r) lexCore [] = lexError "no closing |]" --------------------------------------------- -- | Use ghci Parser.hs to run this test function. test = do ln <- getLine case ln of "quit" -> return () _ -> do print $ lexer ln print $ parseScript ln test type Script = [ExprH] parseScript :: String -> Either String Script parseScript = lexer >=> parser --------------------------------------------- unparseScript :: Script -> String unparseScript = intercalate " ; " . map unparseExprH unparseExprH :: ExprH -> String unparseExprH (SrcName nm) | nm /= "" && (all isScriptInfixIdChar nm || isScriptIdFirstChar (head nm) && all isScriptIdChar (tail nm)) = "'" ++ nm | otherwise = "'\"" ++ concatMap escape nm ++ "\"" where escape '\"' = "\\\"" escape c = [c] unparseExprH (CmdName nm) | nm == "{" = "{ " | nm == "}" = " }" | all isScriptIdChar nm = nm | otherwise = show nm -- with quotes unparseExprH (AppH (AppH (CmdName nm) e1) e2) | all isScriptInfixIdChar nm = unparseAtom e1 ++ " " ++ nm ++ " " ++ unparseAtom e2 unparseExprH (AppH e1 e2) = unparseExprH e1 ++ " " ++ unparseAtom e2 unparseExprH (CoreH s) = "[|" ++ s ++ "|]" unparseExprH (ListH es) = "[" ++ intercalate "," (map unparseExprH es) ++ "]" unparseAtom :: ExprH -> String unparseAtom e@(AppH {}) = "(" ++ unparseExprH e ++ ")" unparseAtom e = unparseExprH e --------------------------------------------- {-# LINE 1 "templates/GenericTemplate.hs" #-} {-# LINE 1 "templates/GenericTemplate.hs" #-} {-# LINE 1 "" #-} {-# LINE 1 "templates/GenericTemplate.hs" #-} -- Id: GenericTemplate.hs,v 1.26 2005/01/14 14:47:22 simonmar Exp {-# LINE 13 "templates/GenericTemplate.hs" #-} -- 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 {-# LINE 46 "templates/GenericTemplate.hs" #-} data Happy_IntList = HappyCons Happy_GHC_Exts.Int# Happy_IntList {-# LINE 67 "templates/GenericTemplate.hs" #-} {-# LINE 77 "templates/GenericTemplate.hs" #-} 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) {-# LINE 170 "templates/GenericTemplate.hs" #-} ----------------------------------------------------------------------------- -- 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.