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https://github.com/ilyakooo0/urbit.git
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de17409fd6
This also removes -Werror from racqure due to the sheer number build failures arising from compiler warnings.
81 lines
2.0 KiB
Haskell
81 lines
2.0 KiB
Haskell
{-|
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Interface Terminal API.
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-}
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module Urbit.Vere.Term.API (Ev(..),
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Client(..),
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ClientTake(..),
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trace,
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slog,
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spin,
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stopSpin) where
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import Urbit.Prelude hiding (trace)
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import Urbit.Arvo (Belt, Blit)
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import Control.Monad.Fail (fail)
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import Urbit.TermSize
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-- External Types --------------------------------------------------------------
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{-|
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Input Event for terminal driver:
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%blits -- list of blits from arvo.
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%trace -- stderr line from runtime.
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%slog -- nock worker logging with priority
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%blank -- print a blank line
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%spinr -- Start or stop the spinner
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-}
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data Ev = Blits ![Blit]
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| Trace !Cord
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| Slog !(Atom, Tank)
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| Blank
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| Spinr !(Maybe (Maybe Cord))
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deriving (Show)
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data ClientTake
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= ClientTakeBelt Belt
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| ClientTakeSize TermSize
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deriving (Show)
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instance ToNoun ClientTake where
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toNoun = \case
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ClientTakeBelt b -> toNoun $ (Cord "belt", b)
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ClientTakeSize (TermSize w h) -> toNoun $ (Cord "size", (w, h))
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instance FromNoun ClientTake where
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parseNoun n = named "ClientTake" $ do
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(Cord name, rest) <- parseNoun n
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case name of
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"belt" -> do
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b <- parseNoun rest
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pure (ClientTakeBelt b)
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"size" -> do
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(w, h) <- parseNoun rest
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pure (ClientTakeSize (TermSize w h))
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_ -> fail "weird client take"
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data Client = Client
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{ take :: STM (Maybe ClientTake)
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, give :: [Ev] -> STM ()
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}
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deriveNoun ''Ev
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-- Utilities -------------------------------------------------------------------
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trace :: Client -> Text -> STM ()
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trace ts = give ts . singleton . Trace . Cord
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slog :: Client -> (Atom, Tank) -> STM ()
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slog ts = give ts . singleton . Slog
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spin :: Client -> Maybe Text -> STM ()
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spin ts = give ts . singleton . Spinr . Just . fmap Cord
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stopSpin :: Client -> STM ()
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stopSpin ts = give ts [Spinr Nothing]
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