ClassPool: JAR and ClassPath support

[mate.git] / Mate.hs

diff --git a/Mate.hs b/Mate.hs
index fcd8ffca3d745fdc6bf67ac610ea711279133803..95daaf8133d890e2445ef353b05072d5aeb9288e 100644 (file)
--- a/Mate.hs
+++ b/Mate.hs
@@ -1,7 +1,63 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
+#include "debug.h"
 module Main where
 
-import Mate.X86CodeGen
+import System.Environment
+import Data.Char
+import Data.List
+import Data.String.Utils
+import qualified Data.ByteString.Lazy as B
+
+#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
 
 main ::  IO ()
-main = test_01
+main = do
+  args <- getArgs
+  register_signal
+  addClassPath "./"
+  case args of
+    [clspath] -> do
+      let bclspath = B.pack $ map (fromIntegral . ord) clspath
+      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>]"
+
+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
+          entry <- compileBB hmap' mi
+          addMethodRef entry mi [bclspath]
+#ifdef DEBUG
+          printf "executing `main' now:\n"
+#endif
+          executeFuncPtr entry
+        Nothing -> error "main not found"
+    Nothing -> error "main not found"