pinchot-0.4.0.0: exe/postal-parser.hs

{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE OverloadedLists #-}

-- | Creates a Template Haskell parser.  Parses strings in the postal
-- language and pretty-prints the result.
module Main where

import Pinchot
import Pinchot.Examples.Postal
import System.Environment (getArgs)
import Text.Show.Pretty (ppShow)

import Text.Earley (Prod, Grammar, parser, fullParses)

ruleTreeToTypes makeOptics ''Char [''Show] postal

postalGrammar :: Grammar r (Prod r String Char Address)
postalGrammar = $(earleyGrammar "" postal)

main :: IO ()
main = do
  a1:[] <- getArgs
  putStrLn . ppShow $ fullParses (parser postalGrammar) a1