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-- Generated by re2hs
{-# LANGUAGE RecordWildCards #-}
-- re2hs $INPUT -o $OUTPUT -i
{-# LANGUAGE OverloadedStrings #-}
{-# OPTIONS_GHC -Wno-unused-record-wildcards #-}
import Data.ByteString (ByteString, index)
data State = State {
_yyinput :: ByteString,
_yycursor :: Int
}
yy0 :: State -> Bool
yy0 State{..} =
let yych = index _yyinput _yycursor in
let __ = _yycursor + 1 in let _yycursor = __ in
case yych of
_c | 0x31 <= _c && _c <= 0x39 ->
yy2 State{..}
_c | True ->
yy1 State{..}
yy1 :: State -> Bool
yy1 State{..} =
False
yy2 :: State -> Bool
yy2 State{..} =
let yych = index _yyinput _yycursor in
case yych of
_c | 0x30 <= _c && _c <= 0x39 ->
let __ = _yycursor + 1 in let _yycursor = __ in
yy2 State{..}
_c | True ->
yy3 State{..}
yy3 :: State -> Bool
yy3 State{..} =
True
lexer :: State -> Bool
lexer State{..} =
yy0 State{..}
main :: IO ()
main = case lexer State{_yyinput = "1234\0", _yycursor = 0} of
True -> return ()
False -> error "lexer failed!"
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