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51 lines
1.3 KiB
51 lines
1.3 KiB
-- {-# LANGUAGE BlockArguments #-}
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module Main where
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import qualified Data.ByteString.Lazy as Lbs
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import Data.Foldable
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import Frontend.Lexer.Tokens
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import Frontend.Autogen.Lexer
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import Frontend.Autogen.Parser
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import qualified Data.Text.Encoding as T
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import qualified Data.Text as T
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import Control.Monad ( unless )
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import System.Environment (getArgs)
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import Text.Show.Pretty (pPrint)
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import Debug.Trace
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main :: IO ()
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main = do
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args <- getArgs
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for_ args $ \str -> do
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Main.lex pPrint parseMod =<< Lbs.readFile str
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testParse :: String -> IO ()
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testParse s = Main.lex print parseMod (Lbs.fromStrict (T.encodeUtf8 (T.pack s)))
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testLex :: String -> IO ()
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testLex s = Main.lex (const (pure ())) (scan []) (Lbs.fromStrict (T.encodeUtf8 (T.pack s)))
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lex :: (a -> IO ()) -> Alex a -> Lbs.ByteString -> IO ()
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lex show cont arg = do
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let x = runAlex arg cont
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case x of
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Left e -> print e
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Right x -> show x
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scan :: [Token] -> Alex [Token]
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scan acc = do
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tok <- alexMonadScan
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sc <- alexGetStartCode
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state <- getUserState
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traceM . unlines $
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[ "----------------"
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, "just lexed: " ++ show tok
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, "sc: " ++ show sc
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, "sc stack: " ++ show (startCodes state)
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]
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case tokenClass tok of
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TokEof -> pure (reverse acc)
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_ -> scan (tok:acc)
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