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|
{-|
Module : VeriFuzz.Sim.Internal
Description : Class of the simulator.
Copyright : (c) 2018-2019, Yann Herklotz
License : BSD-3
Maintainer : ymherklotz [at] gmail [dot] com
Stability : experimental
Portability : POSIX
Class of the simulator and the synthesize tool.
-}
module VeriFuzz.Sim.Internal
( Tool(..)
, Simulator(..)
, Synthesisor(..)
, SourceInfo(..)
, mainModule
, rootPath
, timeout
, timeout_
, bsToI
, noPrint
, echoP
, logger
, logger_
)
where
import Control.Lens
import Control.Monad (void)
import Data.Bits (shiftL)
import Data.ByteString (ByteString)
import qualified Data.ByteString as B
import Data.Text (Text)
import qualified Data.Text as T
import Prelude hiding (FilePath)
import Shelly
import System.FilePath.Posix (takeBaseName)
import VeriFuzz.Verilog.AST
-- | Tool class.
class Tool a where
toText :: a -> Text
-- | Simulation type class.
class (Tool a) => Simulator a where
runSim :: a -- ^ Simulator instance
-> SourceInfo -- ^ Run information
-> [ByteString] -- ^ Inputs to simulate
-> Sh ByteString -- ^ Returns the value of the hash at the output of the testbench.
runSimWithFile :: a
-> FilePath
-> [ByteString]
-> Sh ByteString
-- | Synthesisor type class.
class (Tool a) => Synthesisor a where
runSynth :: a -- ^ Synthesisor tool instance
-> SourceInfo -- ^ Run information
-> FilePath -- ^ Output verilog file for the module
-> Sh () -- ^ does not return any values
data SourceInfo = SourceInfo { runMainModule :: {-# UNPACK #-} !Text
, runSource :: !Verilog
}
deriving (Eq, Show)
-- | May need to change this to Traversal to be safe. For now it will fail when
-- the main has not been properly set with.
mainModule :: Lens' SourceInfo ModDecl
mainModule = lens get_ set_
where
set_ (SourceInfo top main) v =
SourceInfo top (main & getModule %~ update top v)
update top v m@(ModDecl (Identifier i) _ _ _) | i == top = v
| otherwise = m
get_ (SourceInfo top main) = head . filter (f top) $ main ^.. getModule
f top (ModDecl (Identifier i) _ _ _) = i == top
rootPath :: Sh FilePath
rootPath = do
current <- pwd
maybe current fromText <$> get_env "VERIFUZZ_ROOT"
timeout :: FilePath -> [Text] -> Sh Text
timeout = command1 "timeout" ["300"] . toTextIgnore
{-# INLINE timeout #-}
timeout_ :: FilePath -> [Text] -> Sh ()
timeout_ = command1_ "timeout" ["300"] . toTextIgnore
{-# INLINE timeout_ #-}
-- | Helper function to convert bytestrings to integers
bsToI :: ByteString -> Integer
bsToI = B.foldl' (\i b -> (i `shiftL` 8) + fromIntegral b) 0
{-# INLINE bsToI #-}
noPrint :: Sh a -> Sh a
noPrint = print_stdout False . print_stderr False
{-# INLINE noPrint #-}
echoP :: Text -> Sh ()
echoP t = do
fn <- pwd
echo $ bname fn <> " - " <> t
where bname = T.pack . takeBaseName . T.unpack . toTextIgnore
logger :: FilePath -> Text -> Sh a -> Sh a
logger fp name = log_stderr_with (l "_log.stderr.txt")
. log_stdout_with (l "_log.txt")
where
l s t = appendFile (file s) (T.unpack t) >> appendFile (file s) "\n"
file s = T.unpack (toTextIgnore $ fp </> fromText name) <> s
logger_ :: FilePath -> Text -> Sh a -> Sh ()
logger_ fp name =
void . log_stderr_with (l "_log.stderr.txt") . log_stdout_with
(l "_log.txt")
where
l s t = appendFile (file s) (T.unpack t) >> appendFile (file s) "\n"
file s = T.unpack (toTextIgnore $ fp </> fromText name) <> s
|