    {- This module was generated from data in the Kate syntax highlighting file makefile.xml, version 1.09,
       by  Per Wigren (wigren@home.se) -}

    module Text.Highlighting.Kate.Syntax.Makefile ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
    import Text.Highlighting.Kate.Definitions
    import Text.Highlighting.Kate.Common
    import Text.ParserCombinators.Parsec
    import Control.Monad (when)
    import Data.Map (fromList)
    import Data.Maybe (fromMaybe, maybeToList)

    import qualified Data.Set as Set
    -- | Full name of language.
    syntaxName :: String
    syntaxName = "Makefile"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "GNUmakefile;Makefile*;makefile*"

    -- | Highlight source code using this syntax definition.
    highlight :: String -> Either String [SourceLine]
    highlight input =
      case runParser parseSource startingState "source" input of
        Left err     -> Left $ show err
        Right result -> Right result

    -- | Parse an expression using appropriate local context.
    parseExpression :: GenParser Char SyntaxState LabeledSource
    parseExpression = do
      st <- getState
      let oldLang = synStLanguage st
      setState $ st { synStLanguage = "Makefile" }
      context <- currentContext <|> (pushContext "Normal" >> currentContext)
      result <- parseRules context
      updateState $ \st -> st { synStLanguage = oldLang }
      return result

    parseSource = do
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents }
      result <- manyTill parseSourceLine eof
      return $ map normalizeHighlighting result

    startingState = SyntaxState {synStContexts = fromList [("Makefile",["Normal"])], synStLanguage = "Makefile", synStCurrentLine = "", synStCharsParsedInLine = 0, synStPrevChar = '\n', synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Normal" -> return ()
        "String" -> (popContext >> return ())
        "Value" -> return ()
        "VarFromValue" -> return ()
        "VarFromNormal" -> return ()
        "Commands" -> (popContext >> return ())
        _ -> return ()
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0, synStPrevChar = '\n' }

    withAttribute attr txt = do
      when (null txt) $ fail "Parser matched no text"
      let labs = attr : maybeToList (lookup attr styles)
      st <- getState
      let oldCharsParsed = synStCharsParsedInLine st
      let prevchar = if null txt then '\n' else last txt
      updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt, synStPrevChar = prevchar }
      return (labs, txt)

    styles = [("Keyword","kw"),("Comment","co"),("String","st"),("Variable","dt"),("Target","dv"),("Section","ot"),("Operator","ch"),("Commands","bn"),("Special","fl")]

    parseExpressionInternal = do
      context <- currentContext
      parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes))

    list_keywords = Set.fromList $ words $ "include define else endef endif ifdef ifeq ifndef ifneq"

    regex_'5b'5f'5cw'5cd'5d'2a'5cs'2a'28'3f'3d'3a'3d'7c'3d'29 = compileRegex "[_\\w\\d]*\\s*(?=:=|=)"
    regex_'5b'5f'5cw'5cd'2d'5d'2a'5cs'2a'3a = compileRegex "[_\\w\\d-]*\\s*:"
    regex_'5b'2e'5d'2e'2a'3a = compileRegex "[.].*:"
    regex_'5b'24'5d'5b'5c'28'7b'5d = compileRegex "[$][\\({]"
    regex_'23'2e'2a'24 = compileRegex "#.*$"
    regex_'5c'5c'24 = compileRegex "\\\\$"
    regex_'5b'5e'5c'5c'5d'3f'24 = compileRegex "[^\\\\]?$"
    regex_'40'5b'2d'5f'5cd'5cw'5d'2a'40 = compileRegex "@[-_\\d\\w]*@"
    regex_'5b'5c'29'7d'5d'28'3f'3d'2f'29 = compileRegex "[\\)}](?=/)"
    regex_'5b'5c'29'7d'5d'5b'5e'24'5d = compileRegex "[\\)}][^$]"
    regex_'5b'5c'29'7d'5d'24 = compileRegex "[\\)}]$"
    regex_'5b'5f'5cw'2d'5d'2a'5cb = compileRegex "[_\\w-]*\\b"

    defaultAttributes = [("Normal","Normal Text"),("String","String"),("Value","String"),("VarFromValue","Variable"),("VarFromNormal","Variable"),("Commands","Normal Text")]

    parseRules "Normal" =
      do (attr, result) <- (((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_keywords >>= withAttribute "Keyword"))
                            <|>
                            ((pRegExpr regex_'5b'5f'5cw'5cd'5d'2a'5cs'2a'28'3f'3d'3a'3d'7c'3d'29 >>= withAttribute "Variable") >>~ pushContext "Value")
                            <|>
                            ((pFirstNonSpace >> pRegExpr regex_'5b'5f'5cw'5cd'2d'5d'2a'5cs'2a'3a >>= withAttribute "Target"))
                            <|>
                            ((pColumn 0 >> pRegExpr regex_'5b'2e'5d'2e'2a'3a >>= withAttribute "Section"))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ pushContext "String")
                            <|>
                            ((pRegExpr regex_'5b'24'5d'5b'5c'28'7b'5d >>= withAttribute "Operator") >>~ pushContext "VarFromNormal")
                            <|>
                            ((pDetect2Chars False '\\' '#' >>= withAttribute "Special"))
                            <|>
                            ((pDetect2Chars False '\\' '\\' >>= withAttribute "Special"))
                            <|>
                            ((pAnyChar "+*=%$():\\;" >>= withAttribute "Operator"))
                            <|>
                            ((pFirstNonSpace >> pAnyChar "@-" >>= withAttribute "Operator") >>~ pushContext "Commands")
                            <|>
                            ((pRegExpr regex_'23'2e'2a'24 >>= withAttribute "Comment")))
         return (attr, result)

    parseRules "String" =
      do (attr, result) <- (((pLineContinue >>= withAttribute "String"))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "Value" =
      do (attr, result) <- (((pRegExpr regex_'5c'5c'24 >>= withAttribute "Operator"))
                            <|>
                            ((pRegExpr regex_'5b'5e'5c'5c'5d'3f'24 >>= withAttribute "String") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5b'24'5d'5b'5c'28'7b'5d >>= withAttribute "Operator") >>~ pushContext "VarFromValue")
                            <|>
                            ((pRegExpr regex_'40'5b'2d'5f'5cd'5cw'5d'2a'40 >>= withAttribute "Special") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False ';' >>= withAttribute "Operator") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "VarFromValue" =
      do (attr, result) <- (((pRegExpr regex_'5b'5c'29'7d'5d'28'3f'3d'2f'29 >>= withAttribute "Operator") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5b'5c'29'7d'5d'5b'5e'24'5d >>= withAttribute "Operator") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5b'5c'29'7d'5d'24 >>= withAttribute "Operator") >>~ (popContext >> popContext >> return ())))
         return (attr, result)

    parseRules "VarFromNormal" =
      do (attr, result) <- ((pAnyChar ")}" >>= withAttribute "Operator") >>~ (popContext >> return ()))
         return (attr, result)

    parseRules "Commands" =
      do (attr, result) <- (((pRegExpr regex_'5b'24'5d'5b'5c'28'7b'5d >>= withAttribute "Operator") >>~ pushContext "VarFromNormal")
                            <|>
                            ((pRegExpr regex_'5b'5f'5cw'2d'5d'2a'5cb >>= withAttribute "Commands") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules x = fail $ "Unknown context" ++ x