Files
rlp/app/Main.hs
crumbtoo 559fd49f2b minor changes
putting this on hold; implementing TTG first
2024-01-25 15:52:56 -07:00

151 lines
4.3 KiB
Haskell

{-# LANGUAGE BlockArguments, LambdaCase #-}
module Main where
----------------------------------------------------------------------------------
import Compiler.RLPC
import Control.Exception
import Options.Applicative hiding (ParseError)
import Control.Monad
import Control.Monad.Reader
import Data.HashSet qualified as S
import Data.Text (Text)
import Data.Text qualified as T
import Data.Text.IO qualified as TIO
import System.IO
import System.Exit (exitSuccess)
import Core
import TI
import GM
import Lens.Micro.Mtl
----------------------------------------------------------------------------------
optParser :: ParserInfo RLPCOptions
optParser = info (helper <*> options)
( fullDesc
<> progDesc "Compile rl' programs"
<> header "rlpc - The Inglorious rl' Compiler"
)
options :: Parser RLPCOptions
options = RLPCOptions
{- --log, -l -}
<$> optional # strOption
( long "log"
<> short 'l'
<> metavar "FILE"
<> help "output dumps to FILE. stderr is used if unset"
)
{- -d -}
<*> fmap S.fromList # many # option debugFlagReader
( short 'd'
<> help "dump evaluation logs"
<> metavar "DEBUG FLAG"
)
{- --evaluator, -e -}
<*> option evaluatorReader
( long "evaluator"
<> short 'e'
<> metavar "gm|ti"
<> value EvaluatorGM
<> help "the intermediate layer used to model evaluation"
)
<*> option auto
( long "heap-trigger"
<> metavar "INT"
<> help "the number of nodes allowed on the heap before\
\triggering the garbage collector"
<> value 50
)
<*> some (argument str $ metavar "FILES...")
where
infixr 9 #
f # x = f x
evaluatorReader :: ReadM Evaluator
evaluatorReader = maybeReader $ \case
"gm" -> Just EvaluatorGM
"ti" -> Just EvaluatorTI
_ -> Nothing
mmany :: (Alternative f, Monoid m) => f m -> f m
mmany v = liftA2 (<>) v (mmany v)
debugFlagReader :: ReadM DebugFlag
debugFlagReader = maybeReader $ \case
"dump-eval" -> Just DDumpEval
"dump-opts" -> Just DDumpOpts
"dump-ast" -> Just DDumpAST
_ -> Nothing
----------------------------------------------------------------------------------
-- temp
data CompilerError = CompilerError String
deriving Show
instance Exception CompilerError
main :: IO ()
main = do
opts <- execParser optParser
(_, es) <- evalRLPCIO opts driver
forM_ es $ \ (CompilerError e) -> print $ "warning: " <> e
pure ()
driver :: RLPCIO CompilerError ()
driver = sequence_
[ dshowFlags
, ddumpAST
, ddumpEval
]
dshowFlags :: RLPCIO CompilerError ()
dshowFlags = whenFlag flagDDumpOpts do
ask >>= liftIO . print
ddumpAST :: RLPCIO CompilerError ()
ddumpAST = whenFlag flagDDumpAST $ forFiles_ \o f -> do
liftIO $ withFile f ReadMode $ \h -> do
s <- TIO.hGetContents h
case parseProg o s of
Right (a,_) -> hPutStrLn stderr $ show a
Left e -> error "todo errors lol"
ddumpEval :: RLPCIO CompilerError ()
ddumpEval = whenFlag flagDDumpEval do
fs <- view rlpcInputFiles
forM_ fs $ \f -> liftIO (TIO.readFile f) >>= doProg
where
doProg :: Text -> RLPCIO CompilerError ()
doProg s = ask >>= \o -> case parseProg o s of
-- TODO: error handling
Left e -> addFatal . CompilerError $ show e
Right (a,_) -> do
log <- view rlpcLogFile
dumpEval <- chooseEval
case log of
Just f -> liftIO $ withFile f WriteMode $ dumpEval a
Nothing -> liftIO $ dumpEval a stderr
-- choose the appropriate model based on the compiler opts
chooseEval = do
ev <- view rlpcEvaluator
pure $ case ev of
EvaluatorGM -> v GM.hdbgProg
EvaluatorTI -> v TI.hdbgProg
where v f p h = f p h *> pure ()
parseProg :: RLPCOptions
-> Text
-> Either SrcError (Program', [SrcError])
parseProg o = evalRLPC o . (lexCore >=> parseCoreProg)
forFiles_ :: (Monad m)
=> (RLPCOptions -> FilePath -> RLPCT e m a)
-> RLPCT e m ()
forFiles_ k = do
fs <- view rlpcInputFiles
o <- ask
forM_ fs (k o)