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authorGravatar Joey Hess <joey@kitenet.net>2013-12-09 15:34:56 -0400
committerGravatar Joey Hess <joey@kitenet.net>2013-12-09 15:34:56 -0400
commitce5bbf184c167aa7b7aec20cb9447263a49bc294 (patch)
treedf206037180855a05fd875be11ca7409c6c7d432 /Build/EvilLinker.hs
parent4d0e50a1c8abe9e2ee6258ef82e2d223b006ccb6 (diff)
fix infinite recursion on failed parse
Diffstat (limited to 'Build/EvilLinker.hs')
-rw-r--r--Build/EvilLinker.hs14
1 files changed, 5 insertions, 9 deletions
diff --git a/Build/EvilLinker.hs b/Build/EvilLinker.hs
index 584f12381..e62b5a4f9 100644
--- a/Build/EvilLinker.hs
+++ b/Build/EvilLinker.hs
@@ -116,14 +116,6 @@ getOutput c ps environ = do
writeFile (c ++ ".out") s
return out
-runParser' :: Parser a -> String -> String -> a
-runParser' p s paramfile = either failedparse id (parse p "" s)
- where
- failedparse e = error $
- (show e) ++
- "\n<<<\n" ++ s ++ "\n>>>" ++
- "\nparam file contained: >>>\n" ++ paramfile ++ "\n<<<"
-
atFile :: FilePath -> String
atFile f = '@':f
@@ -136,7 +128,11 @@ runAtFile p s f extraparams = do
removeFile f
return out
where
- c = runParser' p s (opts c)
+ c = case parse p "" s of
+ Left e -> error $
+ (show e) ++
+ "\n<<<\n" ++ s ++ "\n>>>"
+ Right r -> r
main :: IO ()
main = do