- ["-jar", jarpath] -> do
- addClassPathJAR jarpath
- res <- readMainClass jarpath
- case res of
- Nothing -> error "JAR: no MainClass entry found. Try to pass the jar file via -cp instead."
- Just mc -> do
- let mc' = replace "." "/" mc
- let bclspath = B.pack $ map (fromIntegral . ord) mc'
- cls <- getClassFile bclspath
- executeMain bclspath cls
- _ -> error "Usage: mate [<class-file> | -jar <jar-file>]"
+parseArgs ("-cp":cps) cpset = parseArgs ("-classpath":cps) cpset
+parseArgs ("-classpath":cps:xs) False = do
+ let paths = splitOn ":" cps
+ mapM_ addStuff paths
+ parseArgs xs True
+ where
+ addStuff :: String -> IO ()
+ addStuff x
+ | ".jar" `isSuffixOf` x = addClassPathJAR x
+ | otherwise = addClassPath $ x ++ "/"
+parseArgs ("-classpath":xs) _ = parseArgs ("-":xs) True -- usage
+parseArgs (('-':_):_) _ = error "Usage: mate [-cp|-classpath <cp1:cp2:..>] [<class-file> | -jar <jar-file>]"
+-- first argument which isn't prefixed by '-' should be a class file
+parseArgs (clspath:_) stdcp = do
+ if not stdcp then addClassPath "./" else return ()
+ let bclspath = B.pack $ map (fromIntegral . ord) clspath
+ cls <- getClassFile bclspath
+ executeMain bclspath cls
+parseArgs _ _ = parseArgs ["-"] False
+