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implement thread\!

This commit is contained in:
darkf 2015-02-13 02:48:13 -08:00
parent 7f16ca95e3
commit c19a732bd9
1 changed files with 8 additions and 0 deletions
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8
Interp.hs
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@ -12,6 +12,7 @@ import qualified Data.Text.IO as TIO
import Data.List (intercalate, foldl1') import Data.List (intercalate, foldl1')
import Control.Applicative ((<$>)) import Control.Applicative ((<$>))
import Control.Exception (try, SomeException) import Control.Exception (try, SomeException)
import Control.Concurrent (forkIO)
import Control.Monad.IO.Class (liftIO) import Control.Monad.IO.Class (liftIO)
import Control.Monad.Trans.State (StateT, runStateT, evalStateT, get, put) import Control.Monad.Trans.State (StateT, runStateT, evalStateT, get, put)
import System.IO (Handle, hPutStr, hGetLine, hClose, hIsEOF, hSetBuffering, import System.IO (Handle, hPutStr, hGetLine, hClose, hIsEOF, hSetBuffering,
@ -194,6 +195,12 @@ _eval (TupleV [code@(StrV _), (ListV env)]) =
_eval _ = error "eval: invalid args (want code and environment)" _eval _ = error "eval: invalid args (want code and environment)"
_thread f@FnV{} = do
state <- get
liftIO $ forkIO $ (evalStateT (apply f unitv) state >> return ())
return unitv
_thread _ = error "thread!: need a function"
-- returns a dictionary of a new environment with only the standard -- returns a dictionary of a new environment with only the standard
-- default-imported functions -- default-imported functions
_newStdEnv (TupleV []) = do _newStdEnv (TupleV []) = do
@ -264,6 +271,7 @@ initialState = [M.fromList $ map (\(k,v) -> (T.pack k, v)) $ [
("globals", bif _globals), ("globals", bif _globals),
("locals", bif _locals), ("locals", bif _locals),
("newStdEnv", bif _newStdEnv), ("newStdEnv", bif _newStdEnv),
("thread!", bif _thread),
("eval", bif _eval), ("eval", bif _eval),
("import", bif _Import)]] ("import", bif _Import)]]