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error reporting

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This commit is contained in:
Joey Hess 2013-12-06 15:15:47 -04:00
parent b370f52f88
commit 1910795ddf
1 changed files with 3 additions and 1 deletions
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4
Build/EvilLinker.hs
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@ -114,7 +114,9 @@ getOutput cmd params env = do
processTranscript' cmd params env Nothing
runParser' :: Parser a -> String -> a
runParser' p s = either (error . show) id (parse p "" s)
runParser' p s = either failedparse id (parse p "" s)
where
failedparse e = error $ (show e) ++ "\nInput:\n" ++ s
atFile :: FilePath -> String
atFile f = '@':f