fused-effects-readline (empty) → 0.0.0.0

raw patch · 7 files changed

+206/−0 lines, 7 filesdep +basedep +directorydep +filepathsetup-changed

Dependencies added: base, directory, filepath, fused-effects, fused-effects-readline, haskeline, prettyprinter, prettyprinter-ansi-terminal, terminal-size, transformers

Files

CHANGELOG.md +3/−0
LICENSE +29/−0
Setup.hs +2/−0
fused-effects-readline.cabal +65/−0
src/Control/Carrier/Readline/Haskeline.hs +69/−0
src/Control/Effect/Readline.hs +32/−0
test/Test.hs +6/−0

+ CHANGELOG.md view

@@ -0,0 +1,3 @@+# v0.0.0.0++Initial release.

+ LICENSE view

@@ -0,0 +1,29 @@+BSD 3-Clause License++Copyright (c) 2019, Rob Rix+All rights reserved.++Redistribution and use in source and binary forms, with or without+modification, are permitted provided that the following conditions are met:++* Redistributions of source code must retain the above copyright notice, this+  list of conditions and the following disclaimer.++* Redistributions in binary form must reproduce the above copyright notice,+  this list of conditions and the following disclaimer in the documentation+  and/or other materials provided with the distribution.++* Neither the name of the copyright holder nor the names of its+  contributors may be used to endorse or promote products derived from+  this software without specific prior written permission.++THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ Setup.hs view

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

+ fused-effects-readline.cabal view

@@ -0,0 +1,65 @@+cabal-version:       2.2++name:                fused-effects-readline+version:             0.0.0.0+synopsis:            A readline-like effect and carrier for fused-effects+description:         A readline-like effect and carrier for fused-effects, using haskeline under the hood+homepage:            https://github.com/fused-effects/fused-effects-readline+bug-reports:         https://github.com/fused-effects/fused-effects-readline/issues+license:             BSD-3-Clause+license-file:        LICENSE+author:              Rob Rix+maintainer:          rob.rix@me.com+copyright:           2019 Rob Rix+category:            Development+extra-source-files:+  CHANGELOG.md++common common+  default-language: Haskell2010+  ghc-options:+    -Weverything+    -Wno-all-missed-specialisations+    -Wno-implicit-prelude+    -Wno-missed-specialisations+    -Wno-missing-import-lists+    -Wno-missing-local-signatures+    -Wno-monomorphism-restriction+    -Wno-name-shadowing+    -Wno-safe+    -Wno-unsafe+  if (impl(ghc >= 8.6))+    ghc-options: -Wno-star-is-type+  if (impl(ghc >= 8.8))+    ghc-options: -Wno-missing-deriving-strategies++library+  import: common+  hs-source-dirs:      src+  exposed-modules:+    Control.Carrier.Readline.Haskeline+    Control.Effect.Readline+  build-depends:+      base >= 4.12 && < 5+    , directory ^>= 1.3.3.2+    , filepath ^>= 1.4.2.1+    , fused-effects ^>= 1+    , haskeline ^>= 0.7+    , prettyprinter ^>= 1.5+    , prettyprinter-ansi-terminal ^>= 1.1+    , terminal-size ^>= 0.3+    , transformers >= 0.4 && < 0.6++test-suite test+  import: common+  type:           exitcode-stdio-1.0+  hs-source-dirs: test+  main-is:        Test.hs+  build-depends:+      base+    , fused-effects-readline+++source-repository head+  type:     git+  location: https://github.com/fused-effects/fused-effects-readline

+ src/Control/Carrier/Readline/Haskeline.hs view

@@ -0,0 +1,69 @@+{-# LANGUAGE GeneralizedNewtypeDeriving, LambdaCase, MultiParamTypeClasses, ScopedTypeVariables, TypeApplications #-}+module Control.Carrier.Readline.Haskeline+( -- * Readline carrier+  runReadline+, runReadlineWithHistory+, ReadlineC(ReadlineC)+  -- * Readline effect+, module Control.Effect.Readline+) where++import Control.Algebra+import Control.Carrier.Lift+import Control.Carrier.Reader+import Control.Effect.Readline+import Control.Monad.Fix (MonadFix)+import Control.Monad.IO.Class (MonadIO(..))+import Control.Monad.Trans.Class (MonadTrans(..))+import Data.Coerce (coerce)+import Data.Text.Prettyprint.Doc+import Data.Text.Prettyprint.Doc.Render.Terminal+import System.Console.Haskeline+import System.Console.Terminal.Size as Size+import System.Directory+import System.Environment+import System.FilePath+import System.IO (stdout)++runReadline :: MonadException m => Prefs -> Settings m -> ReadlineC m a -> m a+runReadline prefs settings (ReadlineC m) = runInputTWithPrefs prefs (coerce settings) (runM (runReader (Line 0) m))++runReadlineWithHistory :: MonadException m => ReadlineC m a -> m a+runReadlineWithHistory block = do+  homeDir <- liftIO getHomeDirectory+  prefs   <- liftIO $ readPrefs (homeDir </> ".haskeline")+  prog    <- liftIO getExecutablePath+  let settingsDir = homeDir </> ".local" </> dropExtension (takeFileName prog)+      settings = Settings+        { complete = noCompletion+        , historyFile = Just (settingsDir </> "repl_history")+        , autoAddHistory = True+        }+  liftIO $ createDirectoryIfMissing True settingsDir++  runReadline prefs settings block++newtype ReadlineC m a = ReadlineC { runReadlineC :: ReaderC Line (LiftC (InputT m)) a }+  deriving (Applicative, Functor, Monad, MonadFix, MonadIO)++instance MonadTrans ReadlineC where+  lift = ReadlineC . lift . lift . lift++instance MonadException m => Algebra Readline (ReadlineC m) where+  alg = \case+    Prompt prompt k -> ReadlineC $ do+      str <- sendM (getInputLine @m (cyan <> prompt <> plain))+      Line line <- ask+      local increment (runReadlineC (k line str))+      where cyan = "\ESC[1;36m\STX"+            plain = "\ESC[0m\STX"+    Print doc k -> do+      s <- maybe 80 Size.width <$> liftIO size+      liftIO (renderIO stdout (layoutSmart defaultLayoutOptions { layoutPageWidth = AvailablePerLine s 0.8 } (doc <> line)))+      k+++newtype Line = Line Int++increment :: Line -> Line+increment (Line n) = Line (n + 1)

+ src/Control/Effect/Readline.hs view

@@ -0,0 +1,32 @@+{-# LANGUAGE DeriveFunctor, DeriveGeneric #-}+module Control.Effect.Readline+( -- * Readline effect+  Readline(..)+, prompt+, print+  -- * Re-exports+, Algebra+, Has+, run+) where++import Control.Algebra+import Data.Text.Prettyprint.Doc (Doc)+import Data.Text.Prettyprint.Doc.Render.Terminal (AnsiStyle)+import GHC.Generics (Generic1)+import Prelude hiding (print)++prompt :: Has Readline sig m => String -> m (Int, Maybe String)+prompt p = send (Prompt p (curry pure))++print :: Has Readline sig m => Doc AnsiStyle -> m ()+print s = send (Print s (pure ()))+++data Readline m k+  = Prompt String (Int -> Maybe String -> m k)+  | Print (Doc AnsiStyle) (m k)+  deriving (Functor, Generic1)++instance HFunctor Readline+instance Effect   Readline

+ test/Test.hs view

@@ -0,0 +1,6 @@+module Main+( main+) where++main :: IO ()+main = pure ()