    {- This module was generated from data in the Kate syntax highlighting file erlang.xml, version 1.02,
       by  Bill Ross (bill@emailme.net.au) -}

    module Text.Highlighting.Kate.Syntax.Erlang ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
    import Text.Highlighting.Kate.Definitions
    import Text.Highlighting.Kate.Common
    import qualified Text.Highlighting.Kate.Syntax.Alert
    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 = "Erlang"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "*.erl"

    -- | 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 = "Erlang" }
      context <- currentContext <|> (pushContext "Normal Text" >> 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 [("Erlang",["Normal Text"])], synStLanguage = "Erlang", 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 Text" -> (popContext >> return ())
        "isfunction" -> (popContext >> return ())
        "atomquote" -> (popContext >> return ())
        "stringquote" -> (popContext >> return ())
        "comment" -> (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"),("Pragma","kw"),("Function","fu"),("Separator","fu"),("Operator","kw"),("Variable","dt"),("Integer","dv"),("Number","bn"),("Float","fl"),("Atom","ch"),("String","st"),("Comment","co")]

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

    list_keywords = Set.fromList $ words $ "after begin case catch cond end fun if let of query receive all_true some_true"
    list_operators = Set.fromList $ words $ "div rem or xor bor bxor bsl bsr and band not bnot"
    list_functions = Set.fromList $ words $ "abs accept alarm apply atom_to_list binary_to_list binary_to_term check_process_code concat_binary date delete_module disconnect_node element erase exit float float_to_list garbage_collect get get_keys group_leader halt hd integer_to_list is_alive is_atom is_binary is_boolean is_float is_function is_integer is_list is_number is_pid is_port is_process_alive is_record is_reference is_tuple length link list_to_atom list_to_binary list_to_float list_to_integer list_to_pid list_to_tuple load_module loaded localtime make_ref module_loaded node nodes now open_port pid_to_list port_close port_command port_connect port_control ports pre_loaded process_flag process_info processes purge_module put register registered round self setelement size spawn spawn_link spawn_opt split_binary statistics term_to_binary throw time tl trunc tuple_to_list unlink unregister whereis"

    regex_'28'3f'3a'2dmodule'7c'2dexport'7c'2ddefine'7c'2dundef'7c'2difdef'7c'2difndef'7c'2delse'7c'2dendif'7c'2dinclude'7c'2dinclude'5flib'29 = compileRegex "(?:-module|-export|-define|-undef|-ifdef|-ifndef|-else|-endif|-include|-include_lib)"
    regex_'28'3f'3a'5c'2b'7c'2d'7c'5c'2a'7c'5c'2f'7c'3d'3d'7c'5c'2f'3d'7c'3d'3a'3d'7c'3d'5c'2f'3d'7c'3c'7c'3d'3c'7c'3e'7c'3e'3d'7c'5c'2b'5c'2b'7c'2d'2d'7c'3d'7c'21'7c'3c'2d'29 = compileRegex "(?:\\+|-|\\*|\\/|==|\\/=|=:=|=\\/=|<|=<|>|>=|\\+\\+|--|=|!|<-)"
    regex_'28'3f'3a'5c'28'7c'5c'29'7c'5c'7b'7c'5c'7d'7c'5c'5b'7c'5c'5d'7c'5c'2e'7c'5c'3a'7c'5c'7c'7c'5c'7c'5c'7c'7c'3b'7c'5c'2c'7c'5c'3f'7c'2d'3e'7c'5c'23'29 = compileRegex "(?:\\(|\\)|\\{|\\}|\\[|\\]|\\.|\\:|\\||\\|\\||;|\\,|\\?|->|\\#)"
    regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29'3a'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 = compileRegex "\\b[a-z][_a-z@-Z0-9]*(?:(?=[^_a-z@-Z0-9])|$):\\b[a-z][_a-z@-Z0-9]*(?:(?=[^_a-z@-Z0-9])|$)"
    regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29'5c'28 = compileRegex "\\b[a-z][_a-z@-Z0-9]*(?:(?=[^_a-z@-Z0-9])|$)\\("
    regex_'5cb'5b'5fA'2dZ'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 = compileRegex "\\b[_A-Z][_a-z@-Z0-9]*(?:(?=[^_a-z@-Z0-9])|$)"
    regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 = compileRegex "\\b[a-z][_a-z@-Z0-9]*(?:(?=[^_a-z@-Z0-9])|$)"
    regex_'5b0'2d9'5d'2b'5c'2e'5b0'2d9'5d'2b'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f = compileRegex "[0-9]+\\.[0-9]+(?:[eE][+-]?[0-9]+)?"
    regex_'5cd'2b'23'5ba'2dzA'2dZ0'2d9'5d'2b = compileRegex "\\d+#[a-zA-Z0-9]+"
    regex_'5c'24'5cS = compileRegex "\\$\\S"
    regex_'5b0'2d9'5d'2b = compileRegex "[0-9]+"
    regex_'28'3f'3a'28'3f'3a'5c'5c'27'29'3f'5b'5e'27'5d'2a'29'2a'27 = compileRegex "(?:(?:\\\\')?[^']*)*'"
    regex_'28'3f'3a'28'3f'3a'5c'5c'22'29'3f'5b'5e'22'5d'2a'29'2a'22 = compileRegex "(?:(?:\\\\\")?[^\"]*)*\""

    defaultAttributes = [("Normal Text","Normal Text"),("isfunction","Function"),("atomquote","Atom"),("stringquote","String"),("comment","Comment")]

    parseRules "Normal Text" =
      do (attr, result) <- (((pColumn 0 >> pRegExpr regex_'28'3f'3a'2dmodule'7c'2dexport'7c'2ddefine'7c'2dundef'7c'2difdef'7c'2difndef'7c'2delse'7c'2dendif'7c'2dinclude'7c'2dinclude'5flib'29 >>= withAttribute "Pragma"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_keywords >>= withAttribute "Keyword"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_operators >>= withAttribute "Operator"))
                            <|>
                            ((pRegExpr regex_'28'3f'3a'5c'2b'7c'2d'7c'5c'2a'7c'5c'2f'7c'3d'3d'7c'5c'2f'3d'7c'3d'3a'3d'7c'3d'5c'2f'3d'7c'3c'7c'3d'3c'7c'3e'7c'3e'3d'7c'5c'2b'5c'2b'7c'2d'2d'7c'3d'7c'21'7c'3c'2d'29 >>= withAttribute "Operator"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_functions >>= withAttribute "Function"))
                            <|>
                            ((pRegExpr regex_'28'3f'3a'5c'28'7c'5c'29'7c'5c'7b'7c'5c'7d'7c'5c'5b'7c'5c'5d'7c'5c'2e'7c'5c'3a'7c'5c'7c'7c'5c'7c'5c'7c'7c'3b'7c'5c'2c'7c'5c'3f'7c'2d'3e'7c'5c'23'29 >>= withAttribute "Separator"))
                            <|>
                            ((pDetectSpaces >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "comment")
                            <|>
                            ((pRegExpr regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29'3a'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 >>= withAttribute "Function") >>~ (popContext >> return ()))
                            <|>
                            ((lookAhead (pRegExpr regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29'5c'28) >> return ([],"") ) >>~ pushContext "isfunction")
                            <|>
                            ((pRegExpr regex_'5cb'5b'5fA'2dZ'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 >>= withAttribute "Variable") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '\'' >>= withAttribute "Atom") >>~ pushContext "atomquote")
                            <|>
                            ((pRegExpr regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 >>= withAttribute "Atom") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ pushContext "stringquote")
                            <|>
                            ((pRegExpr regex_'5b0'2d9'5d'2b'5c'2e'5b0'2d9'5d'2b'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f >>= withAttribute "Float") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5cd'2b'23'5ba'2dzA'2dZ0'2d9'5d'2b >>= withAttribute "Number") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5c'24'5cS >>= withAttribute "Integer") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5b0'2d9'5d'2b >>= withAttribute "Integer") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "isfunction" =
      do (attr, result) <- ((pRegExpr regex_'5cb'5ba'2dz'5d'5b'5fa'2dz'40'2dZ0'2d9'5d'2a'28'3f'3a'28'3f'3d'5b'5e'5fa'2dz'40'2dZ0'2d9'5d'29'7c'24'29 >>= withAttribute "Function") >>~ (popContext >> return ()))
         return (attr, result)

    parseRules "atomquote" =
      do (attr, result) <- ((pRegExpr regex_'28'3f'3a'28'3f'3a'5c'5c'27'29'3f'5b'5e'27'5d'2a'29'2a'27 >>= withAttribute "Atom") >>~ (popContext >> return ()))
         return (attr, result)

    parseRules "stringquote" =
      do (attr, result) <- ((pRegExpr regex_'28'3f'3a'28'3f'3a'5c'5c'22'29'3f'5b'5e'22'5d'2a'29'2a'22 >>= withAttribute "String") >>~ (popContext >> return ()))
         return (attr, result)

    parseRules "comment" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Comment"))
                            <|>
                            ((Text.Highlighting.Kate.Syntax.Alert.parseExpression))
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Comment")))
         return (attr, result)

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