module Text.Highlighting.Kate.Syntax.Monobasic
(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
syntaxName :: String
syntaxName = "MonoBasic"
syntaxExtensions :: String
syntaxExtensions = "*.vb"
highlight :: String -> [SourceLine]
highlight input = evalState (mapM parseSourceLine $ lines input) startingState
parseSourceLine :: String -> State SyntaxState SourceLine
parseSourceLine = mkParseSourceLine parseExpressionInternal pEndLine
parseExpression :: KateParser Token
parseExpression = do
st <- getState
let oldLang = synStLanguage st
setState $ st { synStLanguage = "MonoBasic" }
context <- currentContext <|> (pushContext "Normal" >> currentContext)
result <- parseRules context
optional $ eof >> pEndLine
updateState $ \st -> st { synStLanguage = oldLang }
return result
startingState = SyntaxState {synStContexts = fromList [("MonoBasic",["Normal"])], synStLanguage = "MonoBasic", synStLineNumber = 0, synStPrevChar = '\n', synStPrevNonspace = False, synStCaseSensitive = True, synStKeywordCaseSensitive = False, synStCaptures = []}
pEndLine = do
updateState $ \st -> st{ synStPrevNonspace = False }
context <- currentContext
case context of
"Normal" -> return ()
"String" -> (popContext) >> pEndLine
"Comment" -> (popContext) >> pEndLine
_ -> 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 $ "option explicit strict imports inherits as new dim redim private friend public const readonly writeonly default shared shadows protected overloads overrides notoverridable notinheritable mustinherit mustoverride mybase myclass me delegate catch finaly when throw to step then else true false nothing call byval byref optional paramarray return declare withevents event raiseevent addhandler and or not xor andalso orelse goto on error resume"
list_types = Set.fromList $ words $ "boolean char string integer long double object exception date datetime int16 int32 int64 paramarray timespan byte decimal intptr single guid"
regex_'5cb'28Namespace'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Namespace)([\\s]|$)"
regex_End'2eNamespace'2e'2a'24 = compileRegex "End.Namespace.*$"
regex_'5cb'28Module'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Module)([\\s]|$)"
regex_End'2eModule'2e'2a'24 = compileRegex "End.Module.*$"
regex_'5cb'28Class'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Class)([\\s]|$)"
regex_End'2eClass'2e'2a'24 = compileRegex "End.Class.*$"
regex_'5cb'28Interface'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Interface)([\\s]|$)"
regex_End'2eInterface'2e'2a'24 = compileRegex "End.Interface.*$"
regex_'5cb'28Structure'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Structure)([\\s]|$)"
regex_End'2eStructure'2e'2a'24 = compileRegex "End.Structure.*$"
regex_'5cb'28Enum'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Enum)([\\s]|$)"
regex_End'2eEnum'2e'2a'24 = compileRegex "End.Enum.*$"
regex_'5cb'28Property'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Property)([\\s]|$)"
regex_End'2eProperty'2e'2a'24 = compileRegex "End.Property.*$"
regex_'5cb'28Get'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Get)([\\s]|$)"
regex_End'2eGet'2e'2a'24 = compileRegex "End.Get.*$"
regex_'5cb'28Set'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Set)([\\s]|$)"
regex_End'2eSet'2e'2a'24 = compileRegex "End.Set.*$"
regex_'5cb'28Sub'29'28'5b'2e'5cs'5d'7c'24'29 = compileRegex "\\b(Sub)([.\\s]|$)"
regex_End'2eSub'2e'2a'24 = compileRegex "End.Sub.*$"
regex_Exit'2eSub'2e'2a'24 = compileRegex "Exit.Sub.*$"
regex_'5cb'28Function'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Function)([\\s]|$)"
regex_End'2eFunction'2e'2a'24 = compileRegex "End.Function.*$"
regex_Exit'2eFunction'2e'2a'24 = compileRegex "Exit.Function.*$"
regex_'5cb'28Try'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Try)([\\s]|$)"
regex_End'2eTry'2e'2a'24 = compileRegex "End.Try.*$"
regex_'5cb'28If'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(If)([\\s]|$)"
regex_End'2eIf'2e'2a'24 = compileRegex "End.If.*$"
regex_Select'2eCase'2e'2a'24 = compileRegex "Select.Case.*$"
regex_End'2eSelect'2e'2a'24 = compileRegex "End.Select.*$"
regex_'5cb'28For'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(For)([\\s]|$)"
regex_'5cb'28Next'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Next)([\\s]|$)"
regex_'5cb'28Do'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Do)([\\s]|$)"
regex_'5cb'28Loop'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(Loop)([\\s]|$)"
regex_'5cb'28While'29'28'5b'5cs'5d'7c'24'29 = compileRegex "\\b(While)([\\s]|$)"
regex_End'2eWhile'2e'2a'24 = compileRegex "End.While.*$"
regex_Exit'2eWhile'2e'2a'24 = compileRegex "Exit.While.*$"
regex_'23Region'2e'2a'24 = compileRegex "#Region.*$"
regex_'23End'2eRegion'2e'2a'24 = compileRegex "#End.Region.*$"
regex_'23If'2e'2a'24 = compileRegex "#If.*$"
regex_'23End'2eIf'2e'2a'24 = compileRegex "#End.If.*$"
defaultAttributes = [("Normal",NormalTok),("String",StringTok),("Comment",CommentTok)]
parseRules "Normal" =
(((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_keywords >>= withAttribute KeywordTok))
<|>
((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_types >>= withAttribute DataTypeTok))
<|>
((pDetectChar False '"' >>= withAttribute StringTok) >>~ pushContext "String")
<|>
((pDetectChar False '\'' >>= withAttribute CommentTok) >>~ pushContext "Comment")
<|>
((pRegExpr regex_'5cb'28Namespace'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eNamespace'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Module'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eModule'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Class'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eClass'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Interface'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eInterface'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Structure'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eStructure'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Enum'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eEnum'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Property'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eProperty'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Get'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eGet'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Set'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eSet'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Sub'29'28'5b'2e'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eSub'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_Exit'2eSub'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Function'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eFunction'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_Exit'2eFunction'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Try'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eTry'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28If'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eIf'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_Select'2eCase'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eSelect'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28For'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Next'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Do'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28Loop'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'5cb'28While'29'28'5b'5cs'5d'7c'24'29 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_End'2eWhile'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_Exit'2eWhile'2e'2a'24 >>= withAttribute KeywordTok))
<|>
((pRegExpr regex_'23Region'2e'2a'24 >>= withAttribute OtherTok))
<|>
((pRegExpr regex_'23End'2eRegion'2e'2a'24 >>= withAttribute OtherTok))
<|>
((pRegExpr regex_'23If'2e'2a'24 >>= withAttribute OtherTok))
<|>
((pRegExpr regex_'23End'2eIf'2e'2a'24 >>= withAttribute OtherTok)))
parseRules "String" =
(((pLineContinue >>= withAttribute StringTok) >>~ (popContext))
<|>
((pHlCStringChar >>= withAttribute NormalTok))
<|>
((pDetectChar False '"' >>= withAttribute StringTok) >>~ (popContext)))
parseRules "Comment" =
pzero
parseRules "" = parseRules "Normal"
parseRules x = fail $ "Unknown context" ++ x