mirror of
https://github.com/NixOS/nixpkgs.git
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91 lines
3.4 KiB
Diff
91 lines
3.4 KiB
Diff
diff --git a/Mueval/ArgsParse.hs b/Mueval/ArgsParse.hs
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index 05c8fd9..0c32e27 100644
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--- a/Mueval/ArgsParse.hs
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+++ b/Mueval/ArgsParse.hs
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@@ -1,10 +1,9 @@
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+{-# LANGUAGE CPP #-}
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module Mueval.ArgsParse (Options(..), interpreterOpts, getOptions) where
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import Control.Monad (liftM)
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import System.Console.GetOpt
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-import qualified Codec.Binary.UTF8.String as Codec (decodeString)
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-
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import Mueval.Context (defaultModules, defaultPackages)
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-- | See the results of --help for information on what each option means.
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@@ -98,4 +97,11 @@ header = "Usage: mueval [OPTION...] --expression EXPRESSION..."
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-- | Just give us the end result options; this parsing for
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-- us. Bonus points for handling UTF.
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getOptions :: [String] -> Either (Bool, String) Options
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-getOptions = interpreterOpts . map Codec.decodeString
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\ No newline at end of file
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+getOptions = interpreterOpts . map decodeString
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+
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+decodeString :: String -> String
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+#if __GLASGOW_HASKELL__ >= 702
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+decodeString = id
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+#else
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+decodeString = Codec.decodeString
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+#endif
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diff --git a/Mueval/Context.hs b/Mueval/Context.hs
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index 78925cf..548514c 100644
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--- a/Mueval/Context.hs
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+++ b/Mueval/Context.hs
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@@ -1,3 +1,4 @@
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+{-# LANGUAGE CPP #-}
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module Mueval.Context (
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cleanModules,
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defaultModules,
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@@ -32,7 +33,9 @@ defaultModules = ["Prelude",
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"Control.Monad.Error",
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"Control.Monad.Fix",
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"Control.Monad.Identity",
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+#if !MIN_VERSION_base(4,7,0)
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"Control.Monad.Instances",
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+#endif
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"Control.Monad.RWS",
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"Control.Monad.Reader",
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"Control.Monad.State",
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diff --git a/Mueval/Interpreter.hs b/Mueval/Interpreter.hs
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index 29b771f..6c39482 100644
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--- a/Mueval/Interpreter.hs
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+++ b/Mueval/Interpreter.hs
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@@ -1,4 +1,5 @@
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{-# LANGUAGE PatternGuards #-}
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+{-# LANGUAGE FlexibleContexts #-}
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-- TODO: suggest the convenience functions be put into Hint proper?
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module Mueval.Interpreter where
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@@ -12,8 +13,6 @@ import System.Exit (exitFailure)
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import System.FilePath.Posix (takeFileName)
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import qualified Control.Exception.Extensible as E (evaluate,catch,SomeException(..))
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-import qualified System.IO.UTF8 as UTF (putStrLn)
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-
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import Language.Haskell.Interpreter (eval, set, reset, setImportsQ, loadModules, liftIO,
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installedModulesInScope, languageExtensions,
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typeOf, setTopLevelModules, runInterpreter, glasgowExtensions,
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@@ -100,7 +99,7 @@ mvload lfl = do canonfile <- makeRelativeToCurrentDirectory lfl
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-- flooding. Lambdabot has a similar limit.
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sayIO :: String -> IO ()
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sayIO str = do (out,b) <- render 1024 str
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- UTF.putStrLn out
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+ putStrLn out
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when b exitFailure
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-- | Oh no, something has gone wrong. If it's a compilation error pretty print
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diff --git a/mueval.cabal b/mueval.cabal
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index 3f9406d..b86d796 100644
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--- a/mueval.cabal
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+++ b/mueval.cabal
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@@ -32,7 +32,7 @@ library
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exposed-modules: Mueval.Parallel, Mueval.Context, Mueval.Interpreter,
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Mueval.ArgsParse, Mueval.Resources
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build-depends: base>=4 && < 5, containers, directory, mtl>2, filepath, unix, process,
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- hint>=0.3.1, show>=0.3, utf8-string, Cabal, extensible-exceptions, simple-reflect
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+ hint>=0.3.1, show>=0.3, Cabal, extensible-exceptions, simple-reflect
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ghc-options: -Wall -static
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executable mueval-core
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