{- This module was generated from data in the Kate syntax
   highlighting file modula-3.xml, version 1.01, by  -}

module Text.Highlighting.Kate.Syntax.Modula3
          (highlight, parseExpression, syntaxName, syntaxExtensions)
where
import Text.Highlighting.Kate.Types
import Text.Highlighting.Kate.Common
import Text.ParserCombinators.Parsec hiding (State)
import Data.Map (fromList)
import Control.Monad.State
import Data.Char (isSpace)
import Data.Maybe (fromMaybe)
import qualified Data.Set as Set

-- | Full name of language.
syntaxName :: String
syntaxName = "Modula-3"

-- | Filename extensions for this language.
syntaxExtensions :: String
syntaxExtensions = "*.m3;*.i3;*.ig;*.mg;"

-- | Highlight source code using this syntax definition.
highlight :: String -> [SourceLine]
highlight input = evalState (mapM parseSourceLine $ lines input) startingState

parseSourceLine :: String -> State SyntaxState SourceLine
parseSourceLine = mkParseSourceLine parseExpressionInternal pEndLine

-- | Parse an expression using appropriate local context.
parseExpression :: KateParser Token
parseExpression = do
  st <- getState
  let oldLang = synStLanguage st
  setState $ st { synStLanguage = "Modula-3" }
  context <- currentContext <|> (pushContext "Normal" >> currentContext)
  result <- parseRules context
  optional $ eof >> pEndLine
  updateState $ \st -> st { synStLanguage = oldLang }
  return result

startingState = SyntaxState {synStContexts = fromList [("Modula-3",["Normal"])], synStLanguage = "Modula-3", synStLineNumber = 0, synStPrevChar = '\n', synStPrevNonspace = False, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

pEndLine = do
  context <- currentContext
  case context of
    "Normal" -> return ()
    "String1" -> (popContext) >> pEndLine
    "Comment2" -> return ()
    "Prep1" -> return ()
    _ -> return ()

withAttribute attr txt = do
  when (null txt) $ fail "Parser matched no text"
  updateState $ \st -> st { synStPrevChar = last txt
                          , synStPrevNonspace = synStPrevNonspace st || not (all isSpace txt) }
  return (attr, txt)

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

list_keywords = Set.fromList $ words $ "ANY ARRAY AS BEGIN BITS BRANDED BY CASE CONST DO ELSE ELSIF END EVAL EXCEPT EXCEPTION EXIT EXPORTS FINALLY FOR FROM GENERIC IF IMPORT INTERFACE LOCK LOOP METHODS MODULE OBJECT OF OVERRIDES PROCEDURE RAISE RAISES READONLY RECORD REF REPEAT RETURN REVEAL ROOT SET THEN TO TRY TYPE TYPECASE UNSAFE UNTIL UNTRACED VALUE VAR WHILE WITH"
list_operators = Set.fromList $ words $ "AND DIV IN MOD NOT OR + < # = ; .. : - > { } | := <: * <= ( ) ^ , => / >= [ ] . &"
list_types = Set.fromList $ words $ "ADDRESS BOOLEAN CARDINAL CHAR EXTENDED INTEGER LONGREAL MUTEX NULL REAL REFANY T TEXT"
list_constants = Set.fromList $ words $ "FALSE NIL TRUE"
list_pervasives = Set.fromList $ words $ "ABS ADR ADRSIZE BITSIZE BYTESIZE CEILING DEC DISPOSE FIRST FLOAT FLOOR INC ISTYPE LAST LOOPHOLE MAX MIN NARROW NEW NUMBER ORD ROUND SUBARRAY TRUNC TYPECODE VAL"
list_stdlibs = Set.fromList $ words $ "Text Text.Length Text.Empty Text.Equal Text.Compare Text.Cat Text.Sub Text.Hash Text.HasWideChar Text.GetChar Text.GetWideChar Text.SetChars Text.SetWideChars Text.FromChars Text.FromWideChars Text.FindChar Text.FindWideChar Text.FindCharR Text.FindWideCharR Fmt Fmt.Bool Fmt.Char Fmt.Int Fmt.Unsigned Fmt.Real Fmt.LongReal Fmt.Extended Fmt.Pad Fmt.F Fmt.FN Scan Scan.Bool Scan.Int Scan.Unsigned Scan.Real Scan.LongReal Scan.Extended IO IO.Put IO.PutChar IO.PutWideChar IO.PutInt IO.PutReal IO.EOF IO.GetLine IO.GetChar IO.GetWideChar IO.GetInt IO.GetReal IO.OpenRead IO.OpenWrite Rd Rd.GetChar Rd.GetWideChar Rd.EOF Rd.UnGetChar Rd.CharsReady Rd.GetSub Rd.GetWideSub Rd.GetSubLine Rd.GetWideSubLine Rd.GetText Rd.GetWideText Rd.GetLine Rd.GetWideLine Rd.Seek Rd.Close Rd.Index Rd.Length Rd.Intermittend Rd.Seekable Rd.Closed Wr Wr.PutChar Wr.PutWideChar Wr.PutText Wr.PutWideText Wr.PutString Wr.PutWideString Wr.Seek Wr.Flush Wr.Close Wr.Length Wr.Index Wr.Seekable Wr.Closed Wr.Buffered Lex Lex.Scan Lex.Skip Lex.Match Lex.Bool Lex.Int Lex.Unsigned Lex.Real Lex.LongReal Lex.Extended Params Params.Count Params.Get Env Env.Count Env.Get Env.GetNth"

regex_PROCEDURE'5b'5cs'5d'2e'2a'5c'28 = compileRegex "PROCEDURE[\\s].*\\("
regex_END'5cs'2a'5bA'2dZa'2dz'5d'5bA'2dZa'2dz0'2d9'5f'5d'2a'5c'3b = compileRegex "END\\s*[A-Za-z][A-Za-z0-9_]*\\;"
regex_'5cb'28RECORD'7cOBJECT'7cTRY'7cWHILE'7cFOR'7cREPEAT'7cLOOP'7cIF'7cCASE'7cWITH'29'5cb = compileRegex "\\b(RECORD|OBJECT|TRY|WHILE|FOR|REPEAT|LOOP|IF|CASE|WITH)\\b"
regex_'5cb'28END'3b'7cEND'29'5cb = compileRegex "\\b(END;|END)\\b"
regex_'5cb'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'5c'2e'5b0'2d9'5d'7b1'2c'7d'28'5bE'7ce'7cD'7cd'7cX'7cx'5d'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'29'7b0'2c1'7d'5cb = compileRegex "\\b[\\+|\\-]{0,1}[0-9]{1,}\\.[0-9]{1,}([E|e|D|d|X|x][\\+|\\-]{0,1}[0-9]{1,}){0,1}\\b"
regex_'5cb'28'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'7c'28'5b2'2d9'5d'7c1'5b0'2d6'5d'29'5c'5f'5b0'2d9A'2dFa'2df'5d'7b1'2c'7d'29'5cb = compileRegex "\\b([\\+|\\-]{0,1}[0-9]{1,}|([2-9]|1[0-6])\\_[0-9A-Fa-f]{1,})\\b"
regex_'5c'27'28'2e'7c'5c'5c'5bntrf'5c'5c'27'22'5d'7c'5c'5c'5b0'2d7'5d'7b3'7d'29'5c'27 = compileRegex "\\'(.|\\\\[ntrf\\\\'\"]|\\\\[0-7]{3})\\'"

defaultAttributes = [("Normal",NormalTok),("String1",StringTok),("Comment2",CommentTok),("Prep1",OtherTok)]

parseRules "Normal" =
  (((pRegExpr regex_PROCEDURE'5b'5cs'5d'2e'2a'5c'28 >>= withAttribute KeywordTok))
   <|>
   ((pRegExpr regex_END'5cs'2a'5bA'2dZa'2dz'5d'5bA'2dZa'2dz0'2d9'5f'5d'2a'5c'3b >>= withAttribute KeywordTok))
   <|>
   ((pRegExpr regex_'5cb'28RECORD'7cOBJECT'7cTRY'7cWHILE'7cFOR'7cREPEAT'7cLOOP'7cIF'7cCASE'7cWITH'29'5cb >>= withAttribute KeywordTok))
   <|>
   ((pRegExpr regex_'5cb'28END'3b'7cEND'29'5cb >>= withAttribute KeywordTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_keywords >>= withAttribute KeywordTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_operators >>= withAttribute KeywordTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_types >>= withAttribute DataTypeTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_constants >>= withAttribute DecValTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_pervasives >>= withAttribute FunctionTok))
   <|>
   ((pKeyword " \n\t():!+,-<=>%&*/;?[]^{|}~\\" list_stdlibs >>= withAttribute FunctionTok))
   <|>
   ((pRegExpr regex_'5cb'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'5c'2e'5b0'2d9'5d'7b1'2c'7d'28'5bE'7ce'7cD'7cd'7cX'7cx'5d'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'29'7b0'2c1'7d'5cb >>= withAttribute FloatTok))
   <|>
   ((pRegExpr regex_'5cb'28'5b'5c'2b'7c'5c'2d'5d'7b0'2c1'7d'5b0'2d9'5d'7b1'2c'7d'7c'28'5b2'2d9'5d'7c1'5b0'2d6'5d'29'5c'5f'5b0'2d9A'2dFa'2df'5d'7b1'2c'7d'29'5cb >>= withAttribute BaseNTok))
   <|>
   ((pDetectChar False '"' >>= withAttribute StringTok) >>~ pushContext "String1")
   <|>
   ((pRegExpr regex_'5c'27'28'2e'7c'5c'5c'5bntrf'5c'5c'27'22'5d'7c'5c'5c'5b0'2d7'5d'7b3'7d'29'5c'27 >>= withAttribute CharTok))
   <|>
   ((pDetect2Chars False '<' '*' >>= withAttribute OtherTok) >>~ pushContext "Prep1")
   <|>
   ((pDetect2Chars False '(' '*' >>= withAttribute CommentTok) >>~ pushContext "Comment2"))

parseRules "String1" =
  ((pDetectChar False '"' >>= withAttribute StringTok) >>~ (popContext))

parseRules "Comment2" =
  (((pDetect2Chars False '(' '*' >>= withAttribute CommentTok) >>~ pushContext "Comment2")
   <|>
   ((pDetect2Chars False '*' ')' >>= withAttribute CommentTok) >>~ (popContext)))

parseRules "Prep1" =
  ((pDetect2Chars False '*' '>' >>= withAttribute OtherTok) >>~ (popContext))

parseRules "" = parseRules "Normal"

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