Detect and remove __anon_exprs in repl

[kaleidoscope-hs.git] / Main.hs

diff --git a/Main.hs b/Main.hs
index ee8ee608da79855741c0fab9cc68a63b9b5c88f6..4dafa02b5f1acc3e2828c35a570993fba1abcfd0 100644 (file)
--- a/Main.hs
+++ b/Main.hs
@@ -2,6 +2,7 @@
 
 import AST as K -- K for Kaleidoscope
 import Utils
+import Control.Monad
 import Control.Monad.Trans.Class
 import Control.Monad.Trans.Reader
 import Control.Monad.IO.Class
@@ -40,21 +41,30 @@ repl = do
       case readMaybe l of
         Nothing ->  liftIO $ hPutStrLn stderr "Couldn't parse"
         Just ast -> do
-          hoist $ buildAST ast
-          mostRecentDef >>= liftIO . Text.hPutStrLn stderr . ppll
+          anon <- isAnonExpr <$> hoist (buildAST ast)
+          def <- mostRecentDef
           
           ast <- moduleSoFar "main"
           ctx <- lift ask
           liftIO $ withModuleFromAST ctx ast $ \mdl -> do
+            Text.hPutStrLn stderr $ ppll def
             let spec = defaultCuratedPassSetSpec { optLevel = Just 3 }
             -- this returns true if the module was modified
             withPassManager spec $ flip runPassManager mdl
             Text.hPutStrLn stderr . ("\n" <>) . ppllvm =<< moduleAST mdl
+            when anon (jit mdl >>= hPrint stderr)
+
+          when anon (removeDef def)
       repl
   where
     eofHandler e
       | isEOFError e = return Nothing
       | otherwise = ioError e
+    isAnonExpr (ConstantOperand (GlobalReference _ "__anon_expr")) = True
+    isAnonExpr _ = False
+
+jit :: Module -> IO Double
+jit _mdl = putStrLn "Working on it!" >> return 0
 
 type Binds = Map.Map String Operand