parsers-0.12.7: Parsing combinators

Copyright(c) Edward Kmett 2011-2013
LicenseBSD3
Maintainerekmett@gmail.com
Stabilityexperimental
Portabilitynon-portable
Safe HaskellNone
LanguageHaskell2010

Text.Parser.LookAhead

Contents

Description

Parsers that can lookAhead.

Synopsis

Parsing Combinators

class Parsing m => LookAheadParsing m where Source #

Additional functionality needed to describe parsers independent of input type.

Minimal complete definition

lookAhead

Methods

lookAhead :: m a -> m a Source #

lookAhead p parses p without consuming any input.

Instances

LookAheadParsing ReadP Source # 

Methods

lookAhead :: ReadP a -> ReadP a Source #

Chunk i => LookAheadParsing (Parser i) Source # 

Methods

lookAhead :: Parser i a -> Parser i a Source #

(LookAheadParsing m, MonadPlus m) => LookAheadParsing (StateT s m) Source # 

Methods

lookAhead :: StateT s m a -> StateT s m a Source #

(LookAheadParsing m, MonadPlus m) => LookAheadParsing (StateT s m) Source # 

Methods

lookAhead :: StateT s m a -> StateT s m a Source #

(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (WriterT w m) Source # 

Methods

lookAhead :: WriterT w m a -> WriterT w m a Source #

(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (WriterT w m) Source # 

Methods

lookAhead :: WriterT w m a -> WriterT w m a Source #

(LookAheadParsing m, Monad m) => LookAheadParsing (IdentityT * m) Source # 

Methods

lookAhead :: IdentityT * m a -> IdentityT * m a Source #

(LookAheadParsing m, MonadPlus m) => LookAheadParsing (ReaderT * e m) Source # 

Methods

lookAhead :: ReaderT * e m a -> ReaderT * e m a Source #

(Stream s m t, Show t) => LookAheadParsing (ParsecT s u m) Source # 

Methods

lookAhead :: ParsecT s u m a -> ParsecT s u m a Source #

(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (RWST r w s m) Source # 

Methods

lookAhead :: RWST r w s m a -> RWST r w s m a Source #

(LookAheadParsing m, MonadPlus m, Monoid w) => LookAheadParsing (RWST r w s m) Source # 

Methods

lookAhead :: RWST r w s m a -> RWST r w s m a Source #