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
import LLVM.Context
import LLVM.IRBuilder
import LLVM.Module
+import LLVM.OrcJIT
+import LLVM.OrcJIT.CompileLayer
import LLVM.PassManager
import LLVM.Pretty
import LLVM.Target
import System.IO.Error
import Text.Read (readMaybe)
+data JITEnv = JITEnv
+ { jitEnvContext :: Context
+ , jitEnvCompileLayer :: IRCompileLayer ObjectLinkingLayer
+ , jitEnvModuleKey :: ModuleKey
+ }
+
main :: IO ()
-main = do
- withContext $ \ctx -> withHostTargetMachineDefault $ \tm -> do
- ast <- runReaderT (buildModuleT "main" repl) ctx
+main =
+ withContext $ \ctx -> withHostTargetMachineDefault $ \tm ->
+ withExecutionSession $ \exSession ->
+ withSymbolResolver exSession (SymbolResolver symResolver) $ \symResolverPtr ->
+ withObjectLinkingLayer exSession (const $ pure symResolverPtr) $ \linkingLayer ->
+ withIRCompileLayer linkingLayer tm $ \compLayer ->
+ withModuleKey exSession $ \mdlKey -> do
+ let env = JITEnv ctx compLayer mdlKey
+ _ast <- runReaderT (buildModuleT "main" repl) env
return ()
-repl :: ModuleBuilderT (ReaderT Context IO) ()
+-- This can eventually be used to resolve external functions, e.g. a stdlib call
+symResolver :: MangledSymbol -> IO (Either JITSymbolError JITSymbol)
+symResolver sym = undefined
+
+repl :: ModuleBuilderT (ReaderT JITEnv IO) ()
repl = do
liftIO $ hPutStr stderr "ready> "
mline <- liftIO $ catchIOError (Just <$> getLine) eofHandler
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
+ llvmAst <- moduleSoFar "main"
+ ctx <- lift $ asks jitEnvContext
+ env <- lift ask
+ liftIO $ withModuleFromAST ctx llvmAst $ \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 env 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 :: JITEnv -> Module -> IO Double
+jit JITEnv{jitEnvCompileLayer=compLayer, jitEnvModuleKey=mdlKey} mdl =
+ withModule compLayer mdlKey mdl $
+ return 0
type Binds = Map.Map String Operand
import Control.Monad.Trans.State
import Data.ByteString.Short (ShortByteString)
import Data.Functor.Identity
+import Data.List
import LLVM.AST
import LLVM.IRBuilder.Module
import LLVM.IRBuilder.Internal.SnocList
let ds = getSnocList (builderDefs s)
return $ defaultModule { moduleName = nm, moduleDefinitions = ds }
+removeDef :: MonadModuleBuilder m => Definition -> m ()
+removeDef def = liftModuleState (modify update)
+ where
+ update (ModuleBuilderState defs typeDefs) =
+ let newDefs = SnocList (delete def (getSnocList defs))
+ in ModuleBuilderState newDefs typeDefs
+
mostRecentDef :: Monad m => ModuleBuilderT m Definition
mostRecentDef = last . getSnocList . builderDefs <$> liftModuleState get