Text.Grampa.PEG.Backtrack

Backtracking parser for Parsing Expression Grammars

Documentation

data Parser g s r

Parser type for Parsing Expression Grammars that uses a backtracking algorithm, fast for grammars in LL(1) class but with potentially exponential performance for longer ambiguous prefixes.

Instances

MultiParsing Parser

Backtracking PEG parser

parseComplete :: (Rank2.Functor g, FactorialMonoid s) =>
                 g (Backtrack.Parser g s) -> s -> g ParseResults

Associated Types

type ResultFunctor (Parser :: ((* -> *) -> *) -> * -> * -> *) :: * -> *

type GrammarConstraint (Parser :: ((* -> *) -> *) -> * -> * -> *) (g :: (* -> *) -> *) :: Constraint

Methods

parseComplete :: (GrammarConstraint Parser g, FactorialMonoid s) => g (Parser g s) -> s -> g (ResultFunctor Parser)

parsePrefix :: (GrammarConstraint Parser g, FactorialMonoid s) => g (Parser g s) -> s -> g (Compose * * (ResultFunctor Parser) ((,) s))

MonoidParsing (Parser g)

Methods

endOfInput :: FactorialMonoid s => Parser g s ()

getInput :: MonoidNull s => Parser g s s

anyToken :: FactorialMonoid s => Parser g s s

token :: (Eq s, FactorialMonoid s) => s -> Parser g s s

satisfy :: FactorialMonoid s => (s -> Bool) -> Parser g s s

satisfyChar :: TextualMonoid s => (Char -> Bool) -> Parser g s Char

scan :: FactorialMonoid t => s -> (s -> t -> Maybe s) -> Parser g t t

scanChars :: TextualMonoid t => s -> (s -> Char -> Maybe s) -> Parser g t t

string :: (FactorialMonoid s, LeftReductiveMonoid s, Show s) => s -> Parser g s s

takeWhile :: FactorialMonoid s => (s -> Bool) -> Parser g s s

takeWhile1 :: FactorialMonoid s => (s -> Bool) -> Parser g s s

takeCharsWhile :: TextualMonoid s => (Char -> Bool) -> Parser g s s

takeCharsWhile1 :: TextualMonoid s => (Char -> Bool) -> Parser g s s

whiteSpace :: TextualMonoid s => Parser g s ()

concatMany :: Monoid a => Parser g s a -> Parser g s a

Monad (Parser g s)

Methods

(>>=) :: Parser g s a -> (a -> Parser g s b) -> Parser g s b

(>>) :: Parser g s a -> Parser g s b -> Parser g s b

return :: a -> Parser g s a

fail :: String -> Parser g s a

Functor (Parser g s)

Methods

fmap :: (a -> b) -> Parser g s a -> Parser g s b

(<$) :: a -> Parser g s b -> Parser g s a

Applicative (Parser g s)

Methods

pure :: a -> Parser g s a

(<*>) :: Parser g s (a -> b) -> Parser g s a -> Parser g s b

(*>) :: Parser g s a -> Parser g s b -> Parser g s b

(<*) :: Parser g s a -> Parser g s b -> Parser g s a

FactorialMonoid s => Alternative (Parser g s)

Methods

empty :: Parser g s a

(<|>) :: Parser g s a -> Parser g s a -> Parser g s a

some :: Parser g s a -> Parser g s [a]

many :: Parser g s a -> Parser g s [a]

FactorialMonoid s => MonadPlus (Parser g s)

Methods

mzero :: Parser g s a

mplus :: Parser g s a -> Parser g s a -> Parser g s a

FactorialMonoid s => Parsing (Parser g s)

Methods

try :: Parser g s a -> Parser g s a

(<?>) :: Parser g s a -> String -> Parser g s a

skipMany :: Parser g s a -> Parser g s ()

skipSome :: Parser g s a -> Parser g s ()

unexpected :: String -> Parser g s a

eof :: Parser g s ()

notFollowedBy :: Show a => Parser g s a -> Parser g s ()

Monoid x => Monoid (Parser g s x)

Methods

mempty :: Parser g s x

mappend :: Parser g s x -> Parser g s x -> Parser g s x

mconcat :: [Parser g s x] -> Parser g s x

type ResultFunctor Parser

type ResultFunctor Parser = ParseResults

type GrammarConstraint Parser g

type GrammarConstraint Parser g = Functor g