HEADS UP: First go at cabalising hs-plugins build system. Bugs have been introduced though
This commit is contained in:
Don Stewart
616
plugins/System/Plugins/ParsePkgConfLite.hs
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616
plugins/System/Plugins/ParsePkgConfLite.hs
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@ -0,0 +1,616 @@
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{-# OPTIONS -fglasgow-exts -cpp #-}
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{-# OPTIONS -w #-}
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module System.Plugins.ParsePkgConfLite (
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parsePkgConf, parseOnePkgConf
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) where
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import System.Plugins.Package ( PackageConfig(..), defaultPackageConfig )
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import Char ( isSpace, isAlpha, isAlphaNum, isUpper )
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import List ( break )
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import Array
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#if __GLASGOW_HASKELL__ >= 503
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import GHC.Exts
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#else
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import GlaExts
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#endif
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-- parser produced by Happy Version 1.15
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newtype HappyAbsSyn = HappyAbsSyn (() -> ())
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happyIn5 :: ([ PackageConfig ]) -> (HappyAbsSyn )
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happyIn5 x = unsafeCoerce# x
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{-# INLINE happyIn5 #-}
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happyOut5 :: (HappyAbsSyn ) -> ([ PackageConfig ])
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happyOut5 x = unsafeCoerce# x
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{-# INLINE happyOut5 #-}
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happyIn6 :: ([ PackageConfig ]) -> (HappyAbsSyn )
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happyIn6 x = unsafeCoerce# x
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{-# INLINE happyIn6 #-}
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happyOut6 :: (HappyAbsSyn ) -> ([ PackageConfig ])
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happyOut6 x = unsafeCoerce# x
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{-# INLINE happyOut6 #-}
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happyIn7 :: (PackageConfig) -> (HappyAbsSyn )
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happyIn7 x = unsafeCoerce# x
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{-# INLINE happyIn7 #-}
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happyOut7 :: (HappyAbsSyn ) -> (PackageConfig)
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happyOut7 x = unsafeCoerce# x
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{-# INLINE happyOut7 #-}
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happyIn8 :: (PackageConfig -> PackageConfig) -> (HappyAbsSyn )
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happyIn8 x = unsafeCoerce# x
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{-# INLINE happyIn8 #-}
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happyOut8 :: (HappyAbsSyn ) -> (PackageConfig -> PackageConfig)
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happyOut8 x = unsafeCoerce# x
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{-# INLINE happyOut8 #-}
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happyIn9 :: (PackageConfig -> PackageConfig) -> (HappyAbsSyn )
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happyIn9 x = unsafeCoerce# x
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{-# INLINE happyIn9 #-}
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happyOut9 :: (HappyAbsSyn ) -> (PackageConfig -> PackageConfig)
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happyOut9 x = unsafeCoerce# x
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{-# INLINE happyOut9 #-}
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happyIn10 :: ([String]) -> (HappyAbsSyn )
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happyIn10 x = unsafeCoerce# x
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{-# INLINE happyIn10 #-}
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happyOut10 :: (HappyAbsSyn ) -> ([String])
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happyOut10 x = unsafeCoerce# x
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{-# INLINE happyOut10 #-}
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happyIn11 :: ([String]) -> (HappyAbsSyn )
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happyIn11 x = unsafeCoerce# x
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{-# INLINE happyIn11 #-}
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happyOut11 :: (HappyAbsSyn ) -> ([String])
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happyOut11 x = unsafeCoerce# x
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{-# INLINE happyOut11 #-}
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happyIn12 :: (Bool) -> (HappyAbsSyn )
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happyIn12 x = unsafeCoerce# x
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{-# INLINE happyIn12 #-}
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happyOut12 :: (HappyAbsSyn ) -> (Bool)
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happyOut12 x = unsafeCoerce# x
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{-# INLINE happyOut12 #-}
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happyInTok :: Token -> (HappyAbsSyn )
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happyInTok x = unsafeCoerce# x
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{-# INLINE happyInTok #-}
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happyOutTok :: (HappyAbsSyn ) -> Token
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happyOutTok x = unsafeCoerce# x
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{-# INLINE happyOutTok #-}
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happyActOffsets :: HappyAddr
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happyActOffsets = HappyA# "\x1f\x00\x1e\x00\x1d\x00\x1b\x00\x1a\x00\x1c\x00\x19\x00\x01\x00\x0e\x00\x00\x00\x00\x00\x17\x00\x08\x00\x00\x00\x16\x00\x00\x00\x13\x00\x00\x00\xfe\xff\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x11\x00\x00\x00\x00\x00"#
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happyGotoOffsets :: HappyAddr
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happyGotoOffsets = HappyA# "\x18\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00\xfd\xff\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"#
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happyDefActions :: HappyAddr
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happyDefActions = HappyA# "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfb\xff\xfd\xff\x00\x00\x00\x00\xf8\xff\x00\x00\xfc\xff\x00\x00\xfa\xff\x00\x00\xf9\xff\x00\x00\xf7\xff\xf4\xff\xf5\xff\x00\x00\xef\xff\xf6\xff\x00\x00\xf3\xff\xf1\xff\xf2\xff\x00\x00\xf0\xff"#
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happyCheck :: HappyAddr
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happyCheck = HappyA# "\xff\xff\x03\x00\x05\x00\x04\x00\x07\x00\x04\x00\x08\x00\x09\x00\x09\x00\x08\x00\x02\x00\x01\x00\x02\x00\x05\x00\x03\x00\x04\x00\x04\x00\x05\x00\x04\x00\x05\x00\x04\x00\x06\x00\x02\x00\x02\x00\x00\x00\x07\x00\x09\x00\x08\x00\x06\x00\x01\x00\x07\x00\x04\x00\x03\x00\xff\xff\x03\x00\x0a\x00\x0a\x00\xff\xff\x08\x00\xff\xff\xff\xff\xff\xff"#
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happyTable :: HappyAddr
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happyTable = HappyA# "\x00\x00\x19\x00\x16\x00\x1d\x00\x17\x00\x0b\x00\x1a\x00\x1b\x00\x1e\x00\x06\x00\x14\x00\x08\x00\x09\x00\x15\x00\x0c\x00\x0d\x00\x1f\x00\x20\x00\x10\x00\x11\x00\x15\x00\x1b\x00\x11\x00\x04\x00\x06\x00\x0f\x00\x21\x00\x06\x00\x13\x00\x0c\x00\x0f\x00\x0b\x00\x04\x00\x00\x00\x08\x00\xff\xff\xff\xff\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00"#
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happyReduceArr = array (2, 16) [
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(2 , happyReduce_2),
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(3 , happyReduce_3),
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(4 , happyReduce_4),
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(5 , happyReduce_5),
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(6 , happyReduce_6),
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(7 , happyReduce_7),
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(8 , happyReduce_8),
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(9 , happyReduce_9),
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(10 , happyReduce_10),
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(11 , happyReduce_11),
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(12 , happyReduce_12),
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(13 , happyReduce_13),
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(14 , happyReduce_14),
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(15 , happyReduce_15),
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(16 , happyReduce_16)
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]
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happy_n_terms = 11 :: Int
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happy_n_nonterms = 8 :: Int
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happyReduce_2 = happySpecReduce_2 0# happyReduction_2
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happyReduction_2 happy_x_2
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happy_x_1
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= happyIn5
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([]
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)
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happyReduce_3 = happySpecReduce_3 0# happyReduction_3
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happyReduction_3 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOut6 happy_x_2 of { happy_var_2 ->
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happyIn5
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(reverse happy_var_2
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)}
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happyReduce_4 = happySpecReduce_1 1# happyReduction_4
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happyReduction_4 happy_x_1
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= case happyOut7 happy_x_1 of { happy_var_1 ->
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happyIn6
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([ happy_var_1 ]
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)}
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happyReduce_5 = happySpecReduce_3 1# happyReduction_5
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happyReduction_5 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOut6 happy_x_1 of { happy_var_1 ->
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case happyOut7 happy_x_3 of { happy_var_3 ->
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happyIn6
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(happy_var_3 : happy_var_1
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)}}
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happyReduce_6 = happyReduce 4# 2# happyReduction_6
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happyReduction_6 (happy_x_4 `HappyStk`
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happy_x_3 `HappyStk`
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happy_x_2 `HappyStk`
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happy_x_1 `HappyStk`
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happyRest)
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= case happyOut8 happy_x_3 of { happy_var_3 ->
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happyIn7
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(happy_var_3 defaultPackageConfig
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) `HappyStk` happyRest}
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happyReduce_7 = happySpecReduce_1 3# happyReduction_7
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happyReduction_7 happy_x_1
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= case happyOut9 happy_x_1 of { happy_var_1 ->
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happyIn8
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(\p -> happy_var_1 p
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)}
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happyReduce_8 = happySpecReduce_3 3# happyReduction_8
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happyReduction_8 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOut8 happy_x_1 of { happy_var_1 ->
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case happyOut9 happy_x_3 of { happy_var_3 ->
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happyIn8
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(\p -> happy_var_1 (happy_var_3 p)
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)}}
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happyReduce_9 = happySpecReduce_3 4# happyReduction_9
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happyReduction_9 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOutTok happy_x_1 of { (ITvarid happy_var_1) ->
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case happyOutTok happy_x_3 of { (ITstring happy_var_3) ->
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happyIn9
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(\p -> case happy_var_1 of
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"name" -> p{name = happy_var_3}
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_ -> error "unknown key in config file"
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)}}
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happyReduce_10 = happySpecReduce_3 4# happyReduction_10
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happyReduction_10 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOutTok happy_x_1 of { (ITvarid happy_var_1) ->
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case happyOut12 happy_x_3 of { happy_var_3 ->
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happyIn9
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(\p -> case happy_var_1 of {
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"auto" -> p{auto = happy_var_3};
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_ -> p }
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)}}
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happyReduce_11 = happySpecReduce_3 4# happyReduction_11
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happyReduction_11 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOutTok happy_x_1 of { (ITvarid happy_var_1) ->
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case happyOut10 happy_x_3 of { happy_var_3 ->
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happyIn9
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(\p -> case happy_var_1 of
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"import_dirs" -> p{import_dirs = happy_var_3}
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"library_dirs" -> p{library_dirs = happy_var_3}
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"hs_libraries" -> p{hs_libraries = happy_var_3}
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"extra_libraries" -> p{extra_libraries = happy_var_3}
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"include_dirs" -> p{include_dirs = happy_var_3}
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"c_includes" -> p{c_includes = happy_var_3}
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"package_deps" -> p{package_deps = happy_var_3}
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"extra_ghc_opts" -> p{extra_ghc_opts = happy_var_3}
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"extra_cc_opts" -> p{extra_cc_opts = happy_var_3}
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"extra_ld_opts" -> p{extra_ld_opts = happy_var_3}
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"framework_dirs" -> p{framework_dirs = happy_var_3}
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"extra_frameworks"-> p{extra_frameworks= happy_var_3}
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_other -> p
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)}}
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happyReduce_12 = happySpecReduce_2 5# happyReduction_12
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happyReduction_12 happy_x_2
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happy_x_1
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= happyIn10
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([]
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)
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happyReduce_13 = happySpecReduce_3 5# happyReduction_13
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happyReduction_13 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOut11 happy_x_2 of { happy_var_2 ->
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happyIn10
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(reverse happy_var_2
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)}
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happyReduce_14 = happySpecReduce_1 6# happyReduction_14
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happyReduction_14 happy_x_1
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= case happyOutTok happy_x_1 of { (ITstring happy_var_1) ->
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happyIn11
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([ happy_var_1 ]
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)}
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happyReduce_15 = happySpecReduce_3 6# happyReduction_15
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happyReduction_15 happy_x_3
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happy_x_2
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happy_x_1
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= case happyOut11 happy_x_1 of { happy_var_1 ->
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case happyOutTok happy_x_3 of { (ITstring happy_var_3) ->
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happyIn11
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(happy_var_3 : happy_var_1
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)}}
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happyReduce_16 = happySpecReduce_1 7# happyReduction_16
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happyReduction_16 happy_x_1
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= case happyOutTok happy_x_1 of { (ITconid happy_var_1) ->
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happyIn12
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( case happy_var_1 of {
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"True" -> True;
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"False" -> False;
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_ -> error ("unknown constructor in config file: " ++ happy_var_1) }
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)}
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happyNewToken action sts stk [] =
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happyDoAction 10# (error "reading EOF!") action sts stk []
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happyNewToken action sts stk (tk:tks) =
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let cont i = happyDoAction i tk action sts stk tks in
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case tk of {
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ITocurly -> cont 1#;
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ITccurly -> cont 2#;
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ITobrack -> cont 3#;
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ITcbrack -> cont 4#;
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ITcomma -> cont 5#;
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ITequal -> cont 6#;
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ITvarid happy_dollar_dollar -> cont 7#;
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ITconid happy_dollar_dollar -> cont 8#;
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ITstring happy_dollar_dollar -> cont 9#;
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_ -> happyError' (tk:tks)
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}
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happyError_ tk tks = happyError' (tk:tks)
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newtype HappyIdentity a = HappyIdentity a
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happyIdentity = HappyIdentity
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happyRunIdentity (HappyIdentity a) = a
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instance Monad HappyIdentity where
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return = HappyIdentity
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(HappyIdentity p) >>= q = q p
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happyThen :: () => HappyIdentity a -> (a -> HappyIdentity b) -> HappyIdentity b
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happyThen = (>>=)
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happyReturn :: () => a -> HappyIdentity a
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happyReturn = (return)
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happyThen1 m k tks = (>>=) m (\a -> k a tks)
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happyReturn1 :: () => a -> b -> HappyIdentity a
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happyReturn1 = \a tks -> (return) a
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happyError' :: () => [Token] -> HappyIdentity a
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happyError' = HappyIdentity . happyError
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parse tks = happyRunIdentity happySomeParser where
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happySomeParser = happyThen (happyParse 0# tks) (\x -> happyReturn (happyOut5 x))
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parseOne tks = happyRunIdentity happySomeParser where
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happySomeParser = happyThen (happyParse 1# tks) (\x -> happyReturn (happyOut7 x))
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happySeq = happyDontSeq
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data Token
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= ITocurly
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| ITccurly
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| ITobrack
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| ITcbrack
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| ITcomma
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| ITequal
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| ITvarid String
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| ITconid String
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| ITstring String
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|
||||
lexer :: String -> [Token]
|
||||
|
||||
lexer [] = []
|
||||
lexer ('{':cs) = ITocurly : lexer cs
|
||||
lexer ('}':cs) = ITccurly : lexer cs
|
||||
lexer ('[':cs) = ITobrack : lexer cs
|
||||
lexer (']':cs) = ITcbrack : lexer cs
|
||||
lexer (',':cs) = ITcomma : lexer cs
|
||||
lexer ('=':cs) = ITequal : lexer cs
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||||
lexer ('"':cs) = lexString cs ""
|
||||
lexer (c:cs)
|
||||
| isSpace c = lexer cs
|
||||
| isAlpha c = lexID (c:cs) where
|
||||
lexer _ = error "Unexpected token"
|
||||
|
||||
lexID cs = (if isUpper (head cs) then ITconid else ITvarid) id : lexer rest
|
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where
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||||
(id,rest) = break (\c -> c /= '_' && not (isAlphaNum c)) cs
|
||||
|
||||
lexString ('"':cs) s = ITstring (reverse s) : lexer cs
|
||||
lexString ('\\':c:cs) s = lexString cs (c:s)
|
||||
lexString (c:cs) s = lexString cs (c:s)
|
||||
|
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happyError _ = error "Couldn't parse package configuration."
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||||
|
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parsePkgConf :: String -> [PackageConfig]
|
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parsePkgConf = parse . lexer
|
||||
|
||||
parseOnePkgConf :: String -> PackageConfig
|
||||
parseOnePkgConf = parseOne . lexer
|
||||
{-# LINE 1 "GenericTemplate.hs" #-}
|
||||
{-# LINE 1 "<built-in>" #-}
|
||||
{-# LINE 1 "<command line>" #-}
|
||||
{-# LINE 1 "GenericTemplate.hs" #-}
|
||||
-- $Id$
|
||||
|
||||
|
||||
{-# LINE 28 "GenericTemplate.hs" #-}
|
||||
|
||||
|
||||
data Happy_IntList = HappyCons Int# Happy_IntList
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
{-# LINE 49 "GenericTemplate.hs" #-}
|
||||
|
||||
|
||||
{-# LINE 59 "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 | (n <# (0# :: Int#)) -> {- nothing -}
|
||||
|
||||
(happyReduceArr ! rule) i tk st
|
||||
where rule = (I# ((negateInt# ((n +# (1# :: Int#))))))
|
||||
n -> {- nothing -}
|
||||
|
||||
|
||||
happyShift new_state i tk st
|
||||
where new_state = (n -# (1# :: Int#))
|
||||
where off = indexShortOffAddr happyActOffsets st
|
||||
off_i = (off +# i)
|
||||
check = if (off_i >=# (0# :: Int#))
|
||||
then (indexShortOffAddr happyCheck off_i ==# i)
|
||||
else False
|
||||
action | check = indexShortOffAddr happyTable off_i
|
||||
| otherwise = indexShortOffAddr happyDefActions st
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
indexShortOffAddr (HappyA# arr) off =
|
||||
#if __GLASGOW_HASKELL__ > 500
|
||||
narrow16Int# i
|
||||
#elif __GLASGOW_HASKELL__ == 500
|
||||
intToInt16# i
|
||||
#else
|
||||
(i `iShiftL#` 16#) `iShiftRA#` 16#
|
||||
#endif
|
||||
where
|
||||
#if __GLASGOW_HASKELL__ >= 503
|
||||
i = word2Int# ((high `uncheckedShiftL#` 8#) `or#` low)
|
||||
#else
|
||||
i = word2Int# ((high `shiftL#` 8#) `or#` low)
|
||||
#endif
|
||||
high = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
|
||||
low = int2Word# (ord# (indexCharOffAddr# arr off'))
|
||||
off' = off *# 2#
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
data HappyAddr = HappyA# Addr#
|
||||
|
||||
|
||||
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- HappyState data type (not arrays)
|
||||
|
||||
{-# LINE 170 "GenericTemplate.hs" #-}
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Shifting a token
|
||||
|
||||
happyShift new_state 0# tk st sts stk@(x `HappyStk` _) =
|
||||
let i = (case unsafeCoerce# x of { (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 -# (1# :: 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 =
|
||||
happyThen1 (fn stk) (\r -> happyGoto nt j tk st1 sts1 (r `HappyStk` drop_stk))
|
||||
where sts1@((HappyCons (st1@(action)) (_))) = happyDrop k (HappyCons (st) (sts))
|
||||
drop_stk = happyDropStk k stk
|
||||
|
||||
happyDrop 0# l = l
|
||||
happyDrop n (HappyCons (_) (t)) = happyDrop (n -# (1# :: Int#)) t
|
||||
|
||||
happyDropStk 0# l = l
|
||||
happyDropStk n (x `HappyStk` xs) = happyDropStk (n -# (1#::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 +# 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 =
|
||||
-- trace "failing" $
|
||||
happyError_ 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 ( (unsafeCoerce# (I# (i))) `HappyStk` stk)
|
||||
|
||||
-- Internal happy errors:
|
||||
|
||||
notHappyAtAll = error "Internal Happy error\n"
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- Hack to get the typechecker to accept our action functions
|
||||
|
||||
|
||||
happyTcHack :: 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.
|
||||
Reference in New Issue
Block a user