    {- This module was generated from data in the Kate syntax highlighting file ocaml.xml, version 1.04,
       by  Glyn Webster (glyn@wave.co.nz) -}

    module Text.Highlighting.Kate.Syntax.Ocaml ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
    import Text.Highlighting.Kate.Definitions
    import Text.Highlighting.Kate.Common
    import Text.ParserCombinators.Parsec
    import Data.List (nub)
    import Data.Map (fromList)
    import Data.Maybe (fromMaybe)

    -- | Full name of language.
    syntaxName :: String
    syntaxName = "Objective Caml"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "*.ml;*.mli"

    -- | 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 = "Objective Caml" }
      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 [("Objective Caml",["Normal"])], synStLanguage = "Objective Caml", synStCurrentLine = "", synStCharsParsedInLine = 0, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Normal" -> return ()
        "Multiline Comment" -> return ()
        "String Constant" -> return ()
        "Camlp4 Quotation Constant" -> return ()
        _ -> return ()
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0 }

    withAttribute attr txt = do
      if null txt
         then fail "Parser matched no text"
         else return ()
      let style = fromMaybe "" $ lookup attr styles
      st <- getState
      let oldCharsParsed = synStCharsParsedInLine st
      updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt }
      return (nub [style, attr], txt)

    styles = [("Normal Text","Normal"),("Identifier","Normal"),("Keyword","Keyword"),("Revised Syntax Keyword","Normal"),("Core Data Type","DataType"),("Decimal","DecVal"),("Hexadecimal","BaseN"),("Octal","BaseN"),("Binary","BaseN"),("Float","Float"),("Character","Char"),("String","String"),("Escaped characters","Char"),("Comment","Comment"),("Camlp4 Quotation","String"),("Directive","Others")]

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

    defaultAttributes = [("Normal","Normal Text"),("Multiline Comment","Comment"),("String Constant","String"),("Camlp4 Quotation Constant","Camlp4 Quotation")]

    parseRules "Normal" =
      do (attr, result) <- (((pDetect2Chars False '(' '*' >>= withAttribute "Comment") >>~ pushContext "Multiline Comment")
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "#[A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\0377_][A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\03770-9_']*.*$") >>= withAttribute "Directive"))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ pushContext "String Constant")
                            <|>
                            ((pRegExpr (compileRegex "'((\\\\[ntbr'\"\\\\]|\\\\[0-9]{3}|\\\\x[0-9A-Fa-f]{2})|[^'])'") >>= withAttribute "Character"))
                            <|>
                            ((pDetect2Chars False '<' '<' >>= withAttribute "Camlp4 Quotation") >>~ pushContext "Camlp4 Quotation Constant")
                            <|>
                            ((pRegExpr (compileRegex "<:[A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\0377_][A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\03770-9_']*<") >>= withAttribute "Camlp4 Quotation") >>~ pushContext "Camlp4 Quotation Constant")
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" ["and","as","assert","asr","begin","class","closed","constraint","do","done","downto","else","end","exception","external","false","for","fun","function","functor","if","in","include","inherit","land","lazy","let","lor","lsl","lsr","lxor","match","method","mod","module","mutable","new","of","open","or","parser","private","rec","sig","struct","then","to","true","try","type","val","virtual","when","while","with"] >>= withAttribute "Keyword"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" ["declare","value","where"] >>= withAttribute "Revised Syntax Keyword"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" ["exn","lazy_t","format","unit","int","real","char","string","ref","array","bool","list","option"] >>= withAttribute "Core Data Type"))
                            <|>
                            ((pRegExpr (compileRegex "[A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\0377_][A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\03770-9_']*") >>= withAttribute "Identifier"))
                            <|>
                            ((pRegExpr (compileRegex "-?0[xX][0-9A-Fa-f_]+") >>= withAttribute "Hexadecimal"))
                            <|>
                            ((pRegExpr (compileRegex "-?0[oO][0-7_]+") >>= withAttribute "Octal"))
                            <|>
                            ((pRegExpr (compileRegex "-?0[bB][01_]+") >>= withAttribute "Binary"))
                            <|>
                            ((pRegExpr (compileRegex "-?[0-9][0-9_]*(\\.[0-9][0-9_]*([eE][-+]?[0-9][0-9_]*)?|[eE][-+]?[0-9][0-9_]*)") >>= withAttribute "Float"))
                            <|>
                            ((pRegExpr (compileRegex "-?[0-9][0-9_]*") >>= withAttribute "Decimal")))
         return (attr, result)

    parseRules "Multiline Comment" =
      do (attr, result) <- (((pDetect2Chars False '*' ')' >>= withAttribute "Comment") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '(' '*' >>= withAttribute "Comment") >>~ pushContext "Multiline Comment"))
         return (attr, result)

    parseRules "String Constant" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "String") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "(\\\\[ntbr'\"\\\\]|\\\\[0-9]{3}|\\\\x[0-9A-Fa-f]{2})") >>= withAttribute "Escaped characters"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\$") >>= withAttribute "Escaped characters")))
         return (attr, result)

    parseRules "Camlp4 Quotation Constant" =
      do (attr, result) <- (((pDetect2Chars False '>' '>' >>= withAttribute "Camlp4 Quotation") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '<' '<' >>= withAttribute "Camlp4 Quotation") >>~ pushContext "Camlp4 Quotation Constant")
                            <|>
                            ((pRegExpr (compileRegex "<:[A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\0377_][A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\03770-9_']*<") >>= withAttribute "Camlp4 Quotation") >>~ pushContext "Camlp4 Quotation Constant")
                            <|>
                            ((pRegExpr (compileRegex "\\\\(\\\\|>>|<<)") >>= withAttribute "Escaped characters"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\<:[A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\0377_][A-Za-z\\0300-\\0326\\0330-\\0366\\0370-\\03770-9_']*<") >>= withAttribute "Escaped characters")))
         return (attr, result)

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