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import System.Environment
import System.IO
import Arsec
import CaseFolding
import SpecialCasing
main = do
args <- getArgs
let oname = case args of
[] -> "../src/Data/Text/Internal/Fusion/CaseMapping.hs"
[o] -> o
psc <- parseSC "SpecialCasing.txt"
pcf <- parseCF "CaseFolding.txt"
scs <- case psc of
Left err -> print err >> return undefined
Right ms -> return ms
cfs <- case pcf of
Left err -> print err >> return undefined
Right ms -> return ms
h <- openFile oname WriteMode
let comments = map ("--" ++) $
take 2 (cfComments cfs) ++ take 2 (scComments scs)
mapM_ (hPutStrLn h) $
["-- AUTOMATICALLY GENERATED - DO NOT EDIT"
,"-- Generated by scripts/CaseMapping.hs"] ++
comments ++
[""
,"{-# LANGUAGE LambdaCase, MagicHash, PartialTypeSignatures #-}"
,"{-# OPTIONS_GHC -Wno-partial-type-signatures #-}"
,"module Data.Text.Internal.Fusion.CaseMapping where"
,"import GHC.Int"
,"import GHC.Exts"
,"unI64 :: Int64 -> _ {- unboxed Int64 -}"
,"unI64 (I64# n) = n"
,""]
mapM_ (hPutStrLn h) (mapSC "upper" upper toUpper scs)
mapM_ (hPutStrLn h) (mapSC "lower" lower toLower scs)
mapM_ (hPutStrLn h) (mapSC "title" title toTitle scs)
mapM_ (hPutStrLn h) (mapCF cfs)
hClose h
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