module Text.Highlighting.Kate.Syntax.Eiffel
(highlight, parseExpression, syntaxName, syntaxExtensions)
where
import Text.Highlighting.Kate.Types
import Text.Highlighting.Kate.Common
import Text.ParserCombinators.Parsec hiding (State)
import Control.Monad.State
import Data.Char (isSpace)
import qualified Data.Set as Set
syntaxName :: String
syntaxName :: String
syntaxName = String
"Eiffel"
syntaxExtensions :: String
syntaxExtensions :: String
syntaxExtensions = String
"*.e"
highlight :: String -> [SourceLine]
highlight :: String -> [SourceLine]
highlight String
input = State SyntaxState [SourceLine] -> SyntaxState -> [SourceLine]
forall s a. State s a -> s -> a
evalState ((String -> StateT SyntaxState Identity SourceLine)
-> [String] -> State SyntaxState [SourceLine]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM String -> StateT SyntaxState Identity SourceLine
parseSourceLine ([String] -> State SyntaxState [SourceLine])
-> [String] -> State SyntaxState [SourceLine]
forall a b. (a -> b) -> a -> b
$ String -> [String]
lines String
input) SyntaxState
startingState
parseSourceLine :: String -> State SyntaxState SourceLine
parseSourceLine :: String -> StateT SyntaxState Identity SourceLine
parseSourceLine = KateParser Token
-> String -> StateT SyntaxState Identity SourceLine
mkParseSourceLine (Maybe (String, String) -> KateParser Token
parseExpression Maybe (String, String)
forall a. Maybe a
Nothing)
parseExpression :: Maybe (String,String)
-> KateParser Token
parseExpression :: Maybe (String, String) -> KateParser Token
parseExpression Maybe (String, String)
mbcontext = do
(String
lang,String
cont) <- KateParser (String, String)
-> ((String, String) -> KateParser (String, String))
-> Maybe (String, String)
-> KateParser (String, String)
forall b a. b -> (a -> b) -> Maybe a -> b
maybe KateParser (String, String)
currentContext (String, String) -> KateParser (String, String)
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe (String, String)
mbcontext
Token
result <- (String, String) -> KateParser Token
parseRules (String
lang,String
cont)
ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
forall s (m :: * -> *) t u a.
Stream s m t =>
ParsecT s u m a -> ParsecT s u m ()
optional (ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ())
-> ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ do ParsecT String SyntaxState Identity ()
forall s (m :: * -> *) t u.
(Stream s m t, Show t) =>
ParsecT s u m ()
eof
(SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStPrevChar :: Char
synStPrevChar = Char
'\n' }
ParsecT String SyntaxState Identity ()
pEndLine
Token -> KateParser Token
forall (m :: * -> *) a. Monad m => a -> m a
return Token
result
startingState :: SyntaxState
startingState = SyntaxState :: ContextStack
-> Int
-> Char
-> Bool
-> Bool
-> Bool
-> Bool
-> [String]
-> SyntaxState
SyntaxState {synStContexts :: ContextStack
synStContexts = [(String
"Eiffel",String
"Normal")], synStLineNumber :: Int
synStLineNumber = Int
0, synStPrevChar :: Char
synStPrevChar = Char
'\n', synStPrevNonspace :: Bool
synStPrevNonspace = Bool
False, synStContinuation :: Bool
synStContinuation = Bool
False, synStCaseSensitive :: Bool
synStCaseSensitive = Bool
True, synStKeywordCaseSensitive :: Bool
synStKeywordCaseSensitive = Bool
True, synStCaptures :: [String]
synStCaptures = []}
pEndLine :: ParsecT String SyntaxState Identity ()
pEndLine = do
(SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStPrevNonspace :: Bool
synStPrevNonspace = Bool
False }
(String, String)
context <- KateParser (String, String)
currentContext
ContextStack
contexts <- SyntaxState -> ContextStack
synStContexts (SyntaxState -> ContextStack)
-> ParsecT String SyntaxState Identity SyntaxState
-> ParsecT String SyntaxState Identity ContextStack
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` ParsecT String SyntaxState Identity SyntaxState
forall (m :: * -> *) s u. Monad m => ParsecT s u m u
getState
SyntaxState
st <- ParsecT String SyntaxState Identity SyntaxState
forall (m :: * -> *) s u. Monad m => ParsecT s u m u
getState
if ContextStack -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length ContextStack
contexts Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
>= Int
2
then case (String, String)
context of
(String, String)
_ | SyntaxState -> Bool
synStContinuation SyntaxState
st -> (SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT String SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStContinuation :: Bool
synStContinuation = Bool
False }
(String
"Eiffel",String
"Normal") -> () -> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
(String
"Eiffel",String
"Quoted String") -> (ParsecT String SyntaxState Identity ()
popContext) ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT String SyntaxState Identity ()
pEndLine
(String
"Eiffel",String
"Documentation") -> (ParsecT String SyntaxState Identity ()
popContext) ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
-> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT String SyntaxState Identity ()
pEndLine
(String, String)
_ -> () -> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
else () -> ParsecT String SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
withAttribute :: a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute a
attr String
txt = do
Bool -> ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (String -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
txt) (ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ())
-> ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ()
forall a b. (a -> b) -> a -> b
$ String -> ParsecT s SyntaxState m ()
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"Parser matched no text"
(SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ())
-> (SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st { synStPrevChar :: Char
synStPrevChar = String -> Char
forall a. [a] -> a
last String
txt
, synStPrevNonspace :: Bool
synStPrevNonspace = SyntaxState -> Bool
synStPrevNonspace SyntaxState
st Bool -> Bool -> Bool
|| Bool -> Bool
not ((Char -> Bool) -> String -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Char -> Bool
isSpace String
txt) }
(a, String) -> ParsecT s SyntaxState m (a, String)
forall (m :: * -> *) a. Monad m => a -> m a
return (a
attr, String
txt)
list_keywords :: Set String
list_keywords = [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String) -> [String] -> Set String
forall a b. (a -> b) -> a -> b
$ String -> [String]
words (String -> [String]) -> String -> [String]
forall a b. (a -> b) -> a -> b
$ String
"agent alias all and as assign class convert create creation debug deferred do else elseif end expanded export external feature from frozen if implies indexing infix inherit inspect is like local loop not obsolete old once or prefix pure redefine reference rename rescue retry separate then undefine"
list_predefined'2dentities :: Set String
list_predefined'2dentities = [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String) -> [String] -> Set String
forall a b. (a -> b) -> a -> b
$ String -> [String]
words (String -> [String]) -> String -> [String]
forall a b. (a -> b) -> a -> b
$ String
"Current False Precursor Result True TUPLE"
list_assertions :: Set String
list_assertions = [String] -> Set String
forall a. Ord a => [a] -> Set a
Set.fromList ([String] -> Set String) -> [String] -> Set String
forall a b. (a -> b) -> a -> b
$ String -> [String]
words (String -> [String]) -> String -> [String]
forall a b. (a -> b) -> a -> b
$ String
"check ensure require variant invariant"
parseRules :: (String, String) -> KateParser Token
parseRules (String
"Eiffel",String
"Normal") =
(((String -> Set String -> KateParser String
pKeyword String
" \n\t.():!+,-<=>%&*/;?[]^{|}~\\" Set String
list_keywords KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
KeywordTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((String -> Set String -> KateParser String
pKeyword String
" \n\t.():!+,-<=>%&*/;?[]^{|}~\\" Set String
list_predefined'2dentities KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
ConstantTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((String -> Set String -> KateParser String
pKeyword String
" \n\t.():!+,-<=>%&*/;?[]^{|}~\\" Set String
list_assertions KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
OtherTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((KateParser String
pInt KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
DecValTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((KateParser String
pFloat KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
FloatTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((KateParser String
pHlCChar KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
CharTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((Bool -> Char -> KateParser String
pDetectChar Bool
False Char
'"' KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
StringTok) KateParser Token
-> ParsecT String SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ (String, String) -> ParsecT String SyntaxState Identity ()
pushContext (String
"Eiffel",String
"Quoted String"))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((Bool -> Char -> Char -> KateParser String
pDetect2Chars Bool
False Char
'-' Char
'-' KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
CommentTok) KateParser Token
-> ParsecT String SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ (String, String) -> ParsecT String SyntaxState Identity ()
pushContext (String
"Eiffel",String
"Documentation"))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
(KateParser (String, String)
currentContext KateParser (String, String)
-> ((String, String) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \(String, String)
x -> Bool -> ParsecT String SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard ((String, String)
x (String, String) -> (String, String) -> Bool
forall a. Eq a => a -> a -> Bool
== (String
"Eiffel",String
"Normal")) ParsecT String SyntaxState Identity ()
-> KateParser String -> KateParser String
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> KateParser String
pDefault KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
NormalTok))
parseRules (String
"Eiffel",String
"Quoted String") =
(((Bool -> Char -> KateParser String
pDetectChar Bool
False Char
'"' KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
StringTok) KateParser Token
-> ParsecT String SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ (ParsecT String SyntaxState Identity ()
popContext))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
(KateParser (String, String)
currentContext KateParser (String, String)
-> ((String, String) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \(String, String)
x -> Bool -> ParsecT String SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard ((String, String)
x (String, String) -> (String, String) -> Bool
forall a. Eq a => a -> a -> Bool
== (String
"Eiffel",String
"Quoted String")) ParsecT String SyntaxState Identity ()
-> KateParser String -> KateParser String
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> KateParser String
pDefault KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
StringTok))
parseRules (String
"Eiffel",String
"Documentation") =
(KateParser (String, String)
currentContext KateParser (String, String)
-> ((String, String) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \(String, String)
x -> Bool -> ParsecT String SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard ((String, String)
x (String, String) -> (String, String) -> Bool
forall a. Eq a => a -> a -> Bool
== (String
"Eiffel",String
"Documentation")) ParsecT String SyntaxState Identity ()
-> KateParser String -> KateParser String
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> KateParser String
pDefault KateParser String
-> (String -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> String -> KateParser Token
forall (m :: * -> *) a s.
Monad m =>
a -> String -> ParsecT s SyntaxState m (a, String)
withAttribute TokenType
CommentTok)
parseRules (String, String)
x = (String, String) -> KateParser Token
parseRules (String
"Eiffel",String
"Normal") KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|> String -> KateParser Token
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String
"Unknown context" String -> String -> String
forall a. [a] -> [a] -> [a]
++ (String, String) -> String
forall a. Show a => a -> String
show (String, String)
x)