X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=src%2Fyard.dcl;h=c3024200eaa4f5c524dd3b2731f0dca0d4f3b99b;hb=f5231ebadae1ac54e25dbf5819debb3ab625826d;hp=73a82c0c5ed8416ca3a97c86d7606e88b8fb1f03;hpb=a0cf809b53126a797667fb43f8496a7cc2b7252e;p=cc1516.git diff --git a/src/yard.dcl b/src/yard.dcl index 73a82c0..c302420 100644 --- a/src/yard.dcl +++ b/src/yard.dcl @@ -2,12 +2,13 @@ definition module yard from StdString import class toString from Data.Either import :: Either -from StdClass import class Eq +from StdClass import class ==, class Eq from Data.Functor import class Functor from Control.Monad import class Monad from Control.Applicative import class Applicative, class Alternative +import Data.Void -:: Error = ParseError | LexError String | Expected [String] Int +:: Error = PositionalError Int Int String | Error String :: Parser a b = Parser ([a] -> (Either Error b, [a])) instance Functor (Parser a) @@ -17,10 +18,15 @@ instance Alternative (Parser a) instance toString Error + runParser :: (Parser a b) [a] -> (Either Error b, [a]) -() :: (Parser a b) (String, Int) -> Parser a b +() :: (Parser a b) Error -> Parser a b fail :: Parser a b top :: Parser a a +peek :: Parser a a satisfy :: (a -> Bool) -> Parser a a +check :: (a -> Bool) -> Parser a a +(until) infix 2 :: (Parser a b) (Parser a c) -> Parser a [b] item :: a -> Parser a a | Eq a list :: [a] -> Parser a [a] | Eq a +eof :: Parser a Void