mima-tools/app/MimaRun/Main.hs

138 lines
4.3 KiB
Haskell

module Main where
import Control.Monad
import Control.Monad.Trans.Class
import qualified Data.Text.IO as T
import Options.Applicative
import System.FilePath
import Mima.Flag
import Mima.IO
import Mima.Load
import Mima.Parse.FlagFile
import Mima.State
import Mima.Util
import Mima.Word
import PrintState
data Settings = Settings
-- General
{ infile :: FilePath
, outfile :: Maybe FilePath
, discover :: Bool
, flagFile :: Maybe FilePath
, symbolFile :: Maybe FilePath
-- Running
, steps :: Maybe Integer
, norun :: Bool
-- Output
, quiet :: Bool
, sparse :: Bool
} deriving (Show)
{- Command-line parameters -}
settingsParser :: Parser Settings
settingsParser = Settings
<$> strArgument
(metavar "INFILE"
<> help "The memory dump to load and execute")
<*> (optional . strOption)
(long "out"
<> short 'o'
<> metavar "OUTFILE"
<> help "If specified, write the memory dump to this file after execution is finished")
<*> flag True False
(long "nodiscover"
<> help "Disable the automatic loading of the .mima-flags and .mima-symbols files")
<*> (optional . strOption)
(long "flags"
<> short 'f'
<> metavar "FLAGFILE"
<> help "A file containing extension memory flags, specified in the .mima-flags format")
<*> (optional . strOption)
(long "symbols"
<> short 's'
<> metavar "SYMBOLFILE"
<> help "A file containing label names and addresses, specified in the .mima-symbols format")
<*> (optional . option auto)
(long "steps"
<> metavar "N"
<> help "How many instructions to execute (if not specified, runs until HALT or execution exception)")
<*> flag False True
(long "norun"
<> help "Don't run the MiMa. Use the initial state for all further actions. Roughly equivalent to -n 0")
<*> flag False True
(long "quiet"
<> short 'q'
<> help "Don't print the memory dump")
<*> flag False True
(long "sparse"
<> help "Don't print memory locations containing only 0x000000 in the memory dump")
opts :: ParserInfo Settings
opts = info (helper <*> settingsParser) $ fullDesc <> failureCode 1
{- Main logic -}
runMima :: Settings -> MimaState -> Flags (MimaAddress -> Bool) -> IO MimaState
runMima settings s f =
case steps settings of
Nothing -> do
putStrLn "Running until HALT or execution exception..."
let (s', e, x) = run f s
putStrLn $ "Ran for " ++ show x ++ " steps"
T.putStrLn $ toText e
pure s'
Just n -> do
let (s', me, x) = runN f n s
putStrLn $ "Ran for " ++ show x ++ " steps"
case me of
Nothing -> putStrLn "Encountered no exception"
Just e -> T.putStrLn $ toText e
pure s'
loadFlagFile :: FilePath -> Run (Flags (MimaAddress -> Bool))
loadFlagFile filename = (interpretFlagSpec . getFlagSpec) <$> loadFile readFlagFile filename
loadFlags :: Settings -> Run (Flags (MimaAddress -> Bool))
loadFlags settings = do
case flagFile settings of
Just filename -> do
lift $ putStrLn $ "Loading flags from specified file: " ++ filename
loadFlagFile filename
Nothing -> do
maybeFlags <- if discover settings then tryLoadDiscovered else pure Nothing
case maybeFlags of
Just flags -> pure flags
Nothing -> do
lift $ putStrLn "Not using flags"
pure noFlags
where
discovered = dropExtension (infile settings) ++ ".mima-flags"
tryLoadDiscovered = do
lift $ putStrLn $ "Loading flags from file: " ++ discovered
tryRun (loadFlagFile discovered)
-- TODO exception handling
main :: IO ()
main = doRun_ $ do
settings <- lift $ execParser opts
lift $ putStrLn $ "Loading memdump at " ++ infile settings
ms <- loadStateFromFile (infile settings)
flags <- loadFlags settings
ms' <- if norun settings then pure ms else lift (runMima settings ms flags)
unless (quiet settings) $ do
lift $ putStrLn ""
lift $ putStrLn "Dump of MiMa state:"
lift $ printStateLn (sparse settings) ms'
lift $ putStrLn ""
forM_ (outfile settings) $ \path -> do
lift $ putStrLn $ "Saving memdump at " ++ path
saveStateToFile path ms'