import System.Environment
import Data.Char
import Data.List
+import Data.List.Split
import qualified Data.ByteString.Lazy as B
+import Control.Monad
#ifdef DEBUG
import Text.Printf
#endif
import JVM.ClassFile
+import Java.JAR
import Mate.BasicBlocks
import Mate.MethodPool
import Mate.Types
import Mate.ClassPool
-import Mate.X86TrapHandling
+import Mate.NativeMachine
+
+import Mate.GC.Boehm
main :: IO ()
main = do
args <- getArgs
register_signal
- 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
- hmap <- parseMethod cls "main"
- case hmap of
- Just hmap' -> do
- let methods = classMethods cls; methods :: [Method Resolved]
- let method = find (\x -> methodName x == "main") methods
- case method of
- Just m -> do
- let mi = MethodInfo "main" bclspath $ methodSignature m
- entry <- compileBB hmap' mi
- addMethodRef entry mi [bclspath]
+ executeMain bclspath cls
+
+parseArgs ("-cp":cps) cpset = parseArgs ("-classpath":cps) cpset
+parseArgs ("-classpath":cps:xs) False = do
+ mapM_ addStuff $ splitOn ":" cps
+ 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
+ initGC --required on some platforms. [todo bernhard: maybe this should be moved somewhere else - maybe at a global place where vm initialization takes place
+ 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
+ rawmethod <- parseMethod cls "main" $ methodSignature m
+ entry <- compileBB rawmethod mi
+ addMethodRef entry mi [bclspath]
#ifdef DEBUG
- printf "executing `main' now:\n"
+ printf "executing `main' now:\n"
#endif
- executeFuncPtr entry
- Nothing -> error "main not found"
- Nothing -> error "main not found"
- _ -> error "Usage: mate <class-file>"
+ executeFuncPtr entry
+ Nothing -> error "main not found"