Text.ParserCombinators.Parsec.Expr

A helper module to parse "expressions". Builds a parser given a table of operators and associativities.

Documentation

data Assoc

Constructors

AssocNone

AssocLeft

AssocRight

data Operator t st a

Constructors

Infix (GenParser t st (a -> a -> a)) Assoc

Prefix (GenParser t st (a -> a))

Postfix (GenParser t st (a -> a))

type OperatorTable t st a = [[Operator t st a]]

buildExpressionParser :: OperatorTable tok st a -> GenParser tok st a -> GenParser tok st a