platinum-parsing-0.1.0.0: General Framework for compiler development.

Copyright	(c) 2017 Patrick Champion
License	see LICENSE file
Maintainer	chlablak@gmail.com
Stability	provisional
Portability	portable
Safe Haskell	Safe
Language	Haskell2010

PP.Grammars.Lexical

Contents

AST

Description

Synopsis

AST

data RegExpr Source #

Lexical rule AST

Constructors

RegExpr [RegExpr]	Composed of many choices
Choice [RegExpr]	Composed of many expressions
Many0 RegExpr	`a` many times
Many1 RegExpr	`a` many times, without 0
Option RegExpr	`a` 0 or 1 time
Group RegExpr	`a` grouped (parenthesis)
Class [RegExpr]	One character in the sub-classes
Interval Char Char	One character in the interval
Value Char	One specific character
Any	One character

Instances

Eq RegExpr Source #
Methods (==) :: RegExpr -> RegExpr -> Bool # (/=) :: RegExpr -> RegExpr -> Bool #
Show RegExpr Source #
Methods showsPrec :: Int -> RegExpr -> ShowS # show :: RegExpr -> String # showList :: [RegExpr] -> ShowS #
InputGrammar RegExpr Source #	RegExpr InputGrammar instance
Methods parser :: Parsec String () RegExpr Source # parseAst :: String -> To RegExpr Source # stringify :: RegExpr -> String Source # rules :: RegExpr -> [Rule] Source # lexify :: RegExpr -> RegExpr Source #