55 lines
1.6 KiB
Haskell
55 lines
1.6 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeFamilies #-}
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{-|
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Module : GHCup.Prelude
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Description : MegaParsec utilities
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Copyright : (c) Julian Ospald, 2020
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License : LGPL-3.0
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Maintainer : hasufell@hasufell.de
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Stability : experimental
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Portability : portable
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GHCup specific prelude. Lots of Excepts functionality.
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-}
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module GHCup.Prelude
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(module GHCup.Prelude,
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module GHCup.Prelude.Internal,
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#if defined(IS_WINDOWS)
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module GHCup.Prelude.Windows
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#else
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module GHCup.Prelude.Posix
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#endif
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)
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where
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import GHCup.Prelude.Internal
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import GHCup.Types.Optics (HasLog)
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import GHCup.Prelude.Logger (logWarn)
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#if defined(IS_WINDOWS)
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import GHCup.Prelude.Windows
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#else
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import GHCup.Prelude.Posix
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#endif
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import Control.Monad.IO.Class
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import Control.Monad.Reader
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import Haskus.Utils.Variant.Excepts
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import Text.PrettyPrint.HughesPJClass ( prettyShow, Pretty )
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import qualified Data.Text as T
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-- for some obscure reason... this won't type-check if we move it to a different module
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catchWarn :: forall es m env . ( Pretty (V es)
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, MonadReader env m
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, HasLog env
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, MonadIO m
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, Monad m) => Excepts es m () -> Excepts '[] m ()
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catchWarn = catchAllE @_ @es (\v -> lift $ logWarn (T.pack . prettyShow $ v))
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