refactor: store amount of arguments of a method in RawMethod

[mate.git] / Mate / Types.hs

diff --git a/Mate/Types.hs b/Mate/Types.hs
index f49e0408e1a57cec351fb0952297523ce4b88995..1f67aa6844cdedfeb69977f988407066af9c5dcb 100644 (file)
--- a/Mate/Types.hs
+++ b/Mate/Types.hs
@@ -1,5 +1,5 @@
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE ForeignFunctionInterface #-}
+{-# LANGUAGE CPP #-}
 module Mate.Types where
 
 import Data.Word
@@ -25,17 +25,22 @@ data BBEnd = Return | FallThrough BlockID | OneTarget BlockID | TwoTarget BlockI
 
 type MapBB = M.Map BlockID BasicBlock
 
+data RawMethod = RawMethod {
+  rawMapBB :: MapBB,
+  rawLocals :: Int,
+  rawStackSize :: Int,
+  rawArgCount :: Word32 }
 
 
 -- Word32 = point of method call in generated code
 -- MethodInfo = relevant information about callee
-type TrapMap = M.Map Word32 TrapInfo
+type TrapMap = M.Map Word32 TrapCause
 
-data TrapInfo =
-  MI MethodInfo | -- for static calls
-  VI Bool MethodInfo | -- for virtual calls
-  II Bool MethodInfo | -- for interface calls
-  SFI StaticFieldInfo deriving Show
+data TrapCause =
+  StaticMethod MethodInfo | -- for static calls
+  VirtualMethod Bool MethodInfo | -- for virtual calls
+  InterfaceMethod Bool MethodInfo | -- for interface calls
+  StaticField StaticFieldInfo deriving Show
 
 data StaticFieldInfo = StaticFieldInfo {
   sfiClassName :: B.ByteString,
@@ -53,14 +58,6 @@ data MethodInfo = MethodInfo {
   methSignature :: MethodSignature
   } deriving (Eq, Ord)
 
--- TODO(bernhard): not really efficient. also, outsource that to hs-java
---                 deriving should be enough?
-instance Ord MethodSignature where
-  compare (MethodSignature args_a ret_a) (MethodSignature args_b ret_b)
-    | cmp_args /= EQ = cmp_args
-    | otherwise = show ret_a `compare` show ret_b
-    where cmp_args = show args_a `compare` show args_b
-
 instance Show MethodInfo where
   show (MethodInfo method c sig) =
     toString c ++ "." ++ toString method ++ "." ++ show sig
@@ -107,6 +104,7 @@ toString :: B.ByteString -> String
 toString bstr = decodeString $ map (chr . fromIntegral) $ B.unpack bstr
 -}
 
+-- better solutions for a global map hack are welcome! (typeclasses, TH, ...?)
 
 data MateCtx = MateCtx {
   ctxMethodMap :: MethodMap,
@@ -124,79 +122,32 @@ mateCtx :: IORef MateCtx
 {-# NOINLINE mateCtx #-}
 mateCtx = unsafePerformIO $ newIORef emptyMateCtx
 
+-- TODO(bernhard): if we ever have thread support, don't forget MVars
+#define SETMAP(name) set##name :: name -> IO (); \
+  set##name m = do ctx <- readIORef mateCtx; \
+  writeIORef mateCtx $ ctx { ctx##name = m };
 
-setMethodMap :: MethodMap -> IO ()
-setMethodMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxMethodMap = m }
-
-getMethodMap :: IO MethodMap
-getMethodMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxMethodMap ctx
-
-
-setTrapMap :: TrapMap -> IO ()
-setTrapMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxTrapMap = m }
-
-getTrapMap :: IO TrapMap
-getTrapMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxTrapMap ctx
-
-
-setClassMap :: ClassMap -> IO ()
-setClassMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxClassMap = m }
-
-getClassMap :: IO ClassMap
-getClassMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxClassMap ctx
-
-
-setVirtualMap :: VirtualMap -> IO ()
-setVirtualMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxVirtualMap = m }
-
-getVirtualMap :: IO VirtualMap
-getVirtualMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxVirtualMap ctx
-
-
-setStringMap :: StringMap -> IO ()
-setStringMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxStringMap = m }
+#define GETMAP(name) get##name :: IO name ; \
+  get##name = do ctx <- readIORef mateCtx; \
+  return $ ctx##name ctx;
 
-getStringMap :: IO StringMap
-getStringMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxStringMap ctx
+SETMAP(MethodMap);
+GETMAP(MethodMap)
 
+SETMAP(TrapMap)
+GETMAP(TrapMap)
 
-setInterfaceMap :: InterfaceMap -> IO ()
-setInterfaceMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxInterfaceMap = m }
+SETMAP(ClassMap)
+GETMAP(ClassMap)
 
-getInterfaceMap :: IO InterfaceMap
-getInterfaceMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxInterfaceMap ctx
+SETMAP(VirtualMap)
+GETMAP(VirtualMap)
 
+SETMAP(StringMap)
+GETMAP(StringMap)
 
-setInterfaceMethodMap :: InterfaceMethodMap -> IO ()
-setInterfaceMethodMap m = do
-  ctx <- readIORef mateCtx
-  writeIORef mateCtx $ ctx { ctxInterfaceMethodMap = m }
+SETMAP(InterfaceMap)
+GETMAP(InterfaceMap)
 
-getInterfaceMethodMap :: IO InterfaceMethodMap
-getInterfaceMethodMap = do
-  ctx <- readIORef mateCtx
-  return $ ctxInterfaceMethodMap ctx
+SETMAP(InterfaceMethodMap)
+GETMAP(InterfaceMethodMap)