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{-# LANGUAGE LambdaCase #-}
module Main where
import Data.Text.Lazy (Text)
import qualified Data.Text.Lazy as T
import qualified Data.Text.Lazy.IO as T
import System.Environment
import System.Exit
import Pattern
import Parser
import Pretty
import SourceFile
apply :: Pattern -> SourceFile -> SourceFile
apply pat (SourceFile chunks) =
SourceFile $ flip map chunks $ \case CSkip s -> CSkip s
COcc occ -> COcc (apply' pat occ)
apply' :: Pattern -> Occurrence -> Occurrence
apply' (Pattern name items) origocc@(Occurrence name' args)
| name == name' = Occurrence name' (travOrigsArgs items args)
| otherwise = origocc
travOrigsArgs :: [Origin] -> [(Text, Text)] -> [(Text, Text)]
travOrigsArgs [] args = args
travOrigsArgs _ [] = []
travOrigsArgs (OCopy : items) (arg:args) = arg : travOrigsArgs items args
travOrigsArgs (ONew name : items) args = (T.pack " ", name) : travOrigsArgs items args
main :: IO ()
main = do
getArgs >>= \case
[fname, pat] -> do
pat' <- case parsePattern pat of
Left err -> die err
Right pat' -> return pat'
source <- readFile fname
parsed <- case parseSourceFile fname source pat' of
Left err -> die (show err)
Right res -> return res
print parsed
T.putStrLn (pretty parsed)
putStrLn (replicate 80 '-')
T.putStrLn (pretty (apply pat' parsed))
_ -> do
die "Usage: refactor-type-parameters <file.hs> <OpenAcc env aenv *taenv t>"
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