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Catch errors in legacy-interactive loop

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This commit is contained in:
Daniel Gröber 2015-08-14 09:47:45 +02:00
parent e126db833a
commit 9cff067a27
1 changed files with 6 additions and 1 deletions
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7
src/GHCMod.hs
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@ -411,7 +411,7 @@ legacyInteractiveLoop symdbreq world = do
cmd = dropWhileEnd isSpace cmd'
args = dropWhileEnd isSpace `map` args'
res <- case dropWhileEnd isSpace cmd of
res <- flip gcatches interactiveHandlers $ case dropWhileEnd isSpace cmd of
"check" -> checkSyntaxCmd [arg]
"lint" -> lintCmd [arg]
"find" -> do
@ -435,6 +435,11 @@ legacyInteractiveLoop symdbreq world = do
gmPutStr res >> gmPutStrLn "OK" >> liftIO (hFlush stdout)
legacyInteractiveLoop symdbreq world
where
interactiveHandlers =
[ GHandler $ \e@(FatalError _) -> throw e
, GHandler $ \(SomeException e) -> gmErrStrLn (show e) >> return ""
]
ghcCommands :: IOish m => [String] -> GhcModT m ()
ghcCommands [] = fatalError "No command given (try --help)"