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module Main where
import Control.Concurrent
import Data.Text (Text)
import qualified Data.Text as T
import Options.Applicative
import qualified Shelly as S
import qualified Test.QuickCheck as QC
import qualified VeriFuzz as V
data Tool = Yosys
| XST
| Icarus
instance Show Tool where
show Yosys = "yosys"
show XST = "xst"
show Icarus = "icarus"
data Opts = Fuzz { fuzzOutput :: Text
}
| Rerun { tool :: Tool
}
| Generate { fileName :: S.FilePath
}
| Parse { fileName :: S.FilePath
}
myForkIO :: IO () -> IO (MVar ())
myForkIO io = do
mvar <- newEmptyMVar
_ <- forkFinally io (\_ -> putMVar mvar ())
return mvar
textOption :: Mod OptionFields String -> Parser Text
textOption = fmap T.pack . strOption
optReader :: (String -> Maybe a) -> ReadM a
optReader f = eitherReader $ \arg -> case f arg of
Just a -> Right a
Nothing -> Left $ "Cannot parse option: " <> arg
parseSynth :: String -> Maybe Tool
parseSynth val | val == "yosys" = Just Yosys
| val == "xst" = Just XST
| otherwise = Nothing
parseSim :: String -> Maybe Tool
parseSim val | val == "icarus" = Just Icarus
| otherwise = Nothing
fuzzOpts :: Parser Opts
fuzzOpts = Fuzz <$> textOption
( long "output"
<> short 'o'
<> metavar "DIR"
<> help "Output directory that the fuzz run takes place in."
<> showDefault
<> value "output"
)
rerunOpts :: Parser Opts
rerunOpts =
Rerun
<$> ( option
(optReader parseSynth)
( long "synth"
<> metavar "SYNTH"
<> help "Rerun using a synthesiser (yosys|xst)."
<> showDefault
<> value Yosys
)
<|> option
(optReader parseSim)
( long "sim"
<> metavar "SIM"
<> help "Rerun using a simulator (icarus)."
<> showDefault
<> value Icarus
)
)
genOpts :: Parser Opts
genOpts = Generate . S.fromText <$> textOption
( long "output"
<> short 'o'
<> metavar "FILE"
<> help "Verilog output file."
<> showDefault
<> value "main.v"
)
parseOpts :: Parser Opts
parseOpts = Parse . S.fromText . T.pack <$> strArgument
(metavar "FILE" <> help "Verilog input file.")
argparse :: Parser Opts
argparse =
hsubparser
( command
"fuzz"
(info
fuzzOpts
(progDesc
"Run fuzzing on the specified simulators and synthesisers."
)
)
<> metavar "fuzz"
)
<|> hsubparser
( command
"rerun"
(info
rerunOpts
(progDesc
"Rerun a Verilog file with a simulator or a synthesiser."
)
)
<> metavar "rerun"
)
<|> hsubparser
( command
"generate"
(info
genOpts
(progDesc "Generate a random Verilog program.")
)
<> metavar "generate"
)
<|> hsubparser
( command
"parse"
(info
parseOpts
(progDesc
"Parse a verilog file and output a pretty printed version."
)
)
<> metavar "parse"
)
opts :: ParserInfo Opts
opts = info
(argparse <**> helper)
( fullDesc
<> progDesc "Fuzz different simulators and synthesisers."
<> header
"VeriFuzz - A hardware simulator and synthesiser Verilog fuzzer."
)
handleOpts :: Opts -> IO ()
handleOpts (Fuzz _) = do
num <- getNumCapabilities
vars <-
sequence
$ (\x -> myForkIO $ V.runEquivalence (V.randomMod 10 100)
("test_" <> T.pack (show x))
0
)
<$> [1 .. num]
sequence_ $ takeMVar <$> vars
handleOpts (Generate f) = do
g <- QC.generate $ V.randomMod 50 1000
S.shelly . S.writefile f $ V.genSource g
handleOpts (Parse f) = do
verilogSrc <- readFile file
case V.parseVerilog file verilogSrc of
Left l -> print l
Right v -> print $ V.GenVerilog v
where file = T.unpack . S.toTextIgnore $ f
handleOpts (Rerun _) = undefined
main :: IO ()
--main = sample (arbitrary :: Gen (Circuit Input))
main = do
optsparsed <- execParser opts
handleOpts optsparsed
|