import System.Environment
import Data.Char
import Data.List
-import Data.String.Utils
+import Data.List.Split
import qualified Data.ByteString.Lazy as B
+import Control.Monad
#ifdef DEBUG
import Text.Printf
main = do
args <- getArgs
register_signal
- addClassPath "./"
- case args of
- [clspath] -> do
- let bclspath = B.pack $ map (fromIntegral . ord) clspath
+ parseArgs args False
+
+parseArgs :: [String] -> Bool -> IO ()
+parseArgs ("-jar":jarpath:_) stdcp = do
+ unless stdcp $ addClassPath "./"
+ 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 bclspath = B.pack $ map (fromIntegral . ord) mc
cls <- getClassFile bclspath
executeMain bclspath cls
- ["-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
+ unless stdcp $ addClassPath "./"
+ let bclspath = B.pack $ map (fromIntegral . ord) clspath
+ cls <- getClassFile bclspath
+ executeMain bclspath cls
+parseArgs _ _ = parseArgs ["-"] False
+
executeMain :: B.ByteString -> Class Direct -> IO ()
executeMain bclspath cls = do
- hmap <- parseMethod cls "main"
- case hmap of
- Just hmap' -> do
- let methods = classMethods cls; methods :: [Method Direct]
- let method = find (\x -> methodName x == "main") methods
- case method of
- Just m -> do
- let mi = MethodInfo "main" bclspath $ methodSignature m
+ let methods = classMethods cls; methods :: [Method Direct]
+ case find (\x -> methodName x == "main") methods of
+ Just m -> do
+ let mi = MethodInfo "main" bclspath $ methodSignature m
+ hmap <- parseMethod cls "main" $ methodSignature m
+ case hmap of
+ Just hmap' -> do
entry <- compileBB hmap' mi
addMethodRef entry mi [bclspath]
#ifdef DEBUG