module Lava.HeerHugo
( heerhugo
)
where
import Lava.Signal
import Lava.Netlist
import Lava.Generic
import Lava.Sequent
import Lava.Property
import Lava.Error
import Lava.LavaDir
import Lava.Verification
import Data.List
( intersperse
, nub
)
import System.IO
( openFile
, IOMode(..)
, hPutStr
, hClose
)
import Lava.IOBuffering
( noBuffering
)
import Data.IORef
import System.Process (system)
import System.Exit (ExitCode(..))
heerhugo :: Checkable a => a -> IO ProofResult
heerhugo :: a -> IO ProofResult
heerhugo a :: a
a =
do IO ()
checkVerifyDir
IO ()
noBuffering
(props :: [Signal Bool]
props,_) <- a -> IO ([Signal Bool], Model -> [[String]])
forall a.
Checkable a =>
a -> IO ([Signal Bool], Model -> [[String]])
properties a
a
String -> IO () -> IO ProofResult
proveFile String
defsFile (String -> [Signal Bool] -> IO ()
writeDefinitions String
defsFile [Signal Bool]
props)
where
defsFile :: String
defsFile = String
verifyDir String -> String -> String
forall a. [a] -> [a] -> [a]
++ "/circuit.hh"
writeDefinitions :: FilePath -> [Signal Bool] -> IO ()
writeDefinitions :: String -> [Signal Bool] -> IO ()
writeDefinitions file :: String
file props :: [Signal Bool]
props =
do Handle
handle <- String -> IOMode -> IO Handle
openFile String
file IOMode
WriteMode
IORef Integer
var <- Integer -> IO (IORef Integer)
forall a. a -> IO (IORef a)
newIORef 0
Handle -> String -> IO ()
hPutStr Handle
handle (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$
[ "% Generated by Lava"
, ""
, "( 1 & ~0 &"
]
let new :: IO String
new =
do Integer
n <- IORef Integer -> IO Integer
forall a. IORef a -> IO a
readIORef IORef Integer
var
let n' :: Integer
n' = Integer
nInteger -> Integer -> Integer
forall a. Num a => a -> a -> a
+1; v :: String
v = "w" String -> String -> String
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
n'
IORef Integer -> Integer -> IO ()
forall a. IORef a -> a -> IO ()
writeIORef IORef Integer
var Integer
n'
String -> IO String
forall (m :: * -> *) a. Monad m => a -> m a
return String
v
define :: String -> S String -> IO ()
define v :: String
v s :: S String
s =
case S String
s of
Bool True -> String -> IO ()
op0 "1"
Bool False -> String -> IO ()
op0 "0"
Inv x :: String
x -> String -> String -> IO ()
op1 "~" String
x
And [] -> String -> S String -> IO ()
define String
v (Bool -> S String
forall s. Bool -> S s
Bool Bool
True)
And [x :: String
x] -> String -> IO ()
op0 String
x
And xs :: [String]
xs -> String -> [String] -> IO ()
opl "&" [String]
xs
Or [] -> String -> S String -> IO ()
define String
v (Bool -> S String
forall s. Bool -> S s
Bool Bool
False)
Or [x :: String
x] -> String -> IO ()
op0 String
x
Or xs :: [String]
xs -> String -> [String] -> IO ()
opl "|" [String]
xs
Xor [] -> String -> S String -> IO ()
define String
v (Bool -> S String
forall s. Bool -> S s
Bool Bool
False)
Xor xs :: [String]
xs -> String -> IO ()
op0 ([String] -> String
xor [String]
xs)
VarBool s :: String
s -> String -> IO ()
op0 String
s
DelayBool x :: String
x y :: String
y -> String -> String -> IO ()
forall p p a. p -> p -> a
delay String
x String
y
_ -> Error -> IO ()
forall a. Error -> a
wrong Error
Lava.Error.NoArithmetic
where
w :: a -> String
w i :: a
i = String
v String -> String -> String
forall a. [a] -> [a] -> [a]
++ "_" String -> String -> String
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
i
op0 :: String -> IO ()
op0 s :: String
s =
Handle -> String -> IO ()
hPutStr Handle
handle (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ "(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
v String -> String -> String
forall a. [a] -> [a] -> [a]
++ " <-> " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ ") &\n"
op1 :: String -> String -> IO ()
op1 op :: String
op s :: String
s =
String -> IO ()
op0 (String
op String -> String -> String
forall a. [a] -> [a] -> [a]
++ "(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ ")")
opl :: String -> [String] -> IO ()
opl op :: String
op xs :: [String]
xs =
String -> IO ()
op0 ([String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat (String -> [String] -> [String]
forall a. a -> [a] -> [a]
intersperse (" " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
op String -> String -> String
forall a. [a] -> [a] -> [a]
++ " ") [String]
xs))
xor :: [String] -> String
xor [x :: String
x] = String
x
xor [x :: String
x,y :: String
y] = "~(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
x String -> String -> String
forall a. [a] -> [a] -> [a]
++ " <-> " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
y String -> String -> String
forall a. [a] -> [a] -> [a]
++ ")"
xor (x :: String
x:xs :: [String]
xs) = "(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
x String -> String -> String
forall a. [a] -> [a] -> [a]
++ " & ~("
String -> String -> String
forall a. [a] -> [a] -> [a]
++ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat (String -> [String] -> [String]
forall a. a -> [a] -> [a]
intersperse " | " [String]
xs)
String -> String -> String
forall a. [a] -> [a] -> [a]
++ ") | (~" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
x String -> String -> String
forall a. [a] -> [a] -> [a]
++ " & " String -> String -> String
forall a. [a] -> [a] -> [a]
++ [String] -> String
xor [String]
xs String -> String -> String
forall a. [a] -> [a] -> [a]
++ "))"
delay :: p -> p -> a
delay x :: p
x y :: p
y = Error -> a
forall a. Error -> a
wrong Error
DelayEval
Struct String
outvs <- IO String
-> (String -> S String -> IO ())
-> Struct Symbol
-> IO (Struct String)
forall (f :: * -> *) v.
Sequent f =>
IO v -> (v -> S v -> IO ()) -> f Symbol -> IO (f v)
netlistIO IO String
new String -> S String -> IO ()
define ([Signal Bool] -> Struct Symbol
forall a. Generic a => a -> Struct Symbol
struct [Signal Bool]
props)
Handle -> String -> IO ()
hPutStr Handle
handle (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$
[ "~(" String -> String -> String
forall a. [a] -> [a] -> [a]
++ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat (String -> [String] -> [String]
forall a. a -> [a] -> [a]
intersperse " & " (Struct String -> [String]
forall a. Struct a -> [a]
flatten Struct String
outvs)) String -> String -> String
forall a. [a] -> [a] -> [a]
++ ")"
, ")"
]
Handle -> IO ()
hClose Handle
handle
proveFile :: FilePath -> IO () -> IO ProofResult
proveFile :: String -> IO () -> IO ProofResult
proveFile file :: String
file before :: IO ()
before =
do String -> IO ()
putStr "HeerHugo: "
IO ()
before
String -> IO ()
putStr "... "
String -> IO ()
putStrLn "(Written file)"
ProofResult -> IO ProofResult
forall (m :: * -> *) a. Monad m => a -> m a
return ProofResult
Indeterminate