update, parser kan expressies op binaire operatoren na, beginnetje gemaakt voor prese...

[cc1516.git] / yard.icl

diff --git a/yard.icl b/yard.icl
deleted file mode 100644 (file)
index 1443325..0000000
--- a/yard.icl
+++ /dev/null
@@ -1,54 +0,0 @@
-implementation module yard
-
-import StdTuple
-import StdClass
-import Data.Functor
-import Data.Either
-import Control.Monad
-import Control.Applicative
-from Data.Func import $
-
-runParser :: (Parser a b) [a] -> (Either Error b, [a])
-runParser (Parser f) i = f i
-
-instance Functor (Parser a) where
-    //fmap f m = liftM f m
-    fmap g p = Parser \i -> case runParser p i of
-        (Right r, rest) = (Right $ g r, rest)
-        (Left e, rest)  = (Left e, rest)
-
-instance Applicative (Parser a) where
-    pure a      = Parser \i -> (Right a, i)
-    //(<*>) sf p  = ap sf p
-    (<*>) pf p  = Parser \i -> case runParser pf i of
-        (Right f, rest) = runParser (fmap f p) rest
-        (Left e, rest)   = (Left e, rest)
-
-instance Monad (Parser a) where
-    bind p f    = Parser \i -> case runParser p i of
-        (Right r, rest) = runParser (f r) rest
-        (Left e, rest)  = (Left e, rest)
-
-//some, many, optional and l
-instance Alternative (Parser a) where
-    empty       = Parser \i -> (Left ParseException, i)
-    (<|>) p1 p2 = Parser \i -> case runParser p1 i of
-        (Right r, rest) = (Right r, rest)
-        (Left _, rest)  = runParser p2 i
-
-fail :: Parser a b
-fail = empty
-
-top :: Parser a a
-top = Parser \i -> case i of
-    []      = (Left ParseException, [])
-    [x:xs]  = (Right x, xs)
-
-satisfy :: (a -> Bool) -> Parser a a
-satisfy f = top >>= \r -> if (f r) (return r) fail
-
-item :: a -> Parser a a | Eq a
-item a  = satisfy ((==)a)
-
-list :: [a] -> Parser a [a] | Eq a
-list as = mapM item as