-- GHC API
import CoreSyn
+import qualified Name
+import qualified Id
import qualified CoreSubst
import qualified CoreUtils
import Outputable ( showSDoc, ppr, nest )
import CLasH.Normalize.NormalizeTypes
import CLasH.Translator.TranslatorTypes
import CLasH.Utils.Pretty
+import qualified CLasH.Utils.Core.CoreTools as CoreTools
import CLasH.VHDL.VHDLTypes
import qualified CLasH.VHDL.VHDLTools as VHDLTools
-- trace ("Trying to apply transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n") $
changed
then
- trace ("Applying transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n") $
- trace ("Result of applying " ++ name ++ ":\n" ++ showSDoc (nest 4 $ ppr expr'') ++ "\n" ++ "Type: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr'') ++ "\n" ) $
+-- trace ("Applying transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n") $
+-- trace ("Result of applying " ++ name ++ ":\n" ++ showSDoc (nest 4 $ ppr expr'') ++ "\n" ++ "Type: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr'') ++ "\n" ) $
applyboth first (name, second) $
expr''
else
subss' = map (Arrow.second (CoreSubst.substExpr subs)) subss
-- Is the given expression representable at runtime, based on the type?
-isRepr :: CoreSyn.CoreExpr -> TransformMonad Bool
-isRepr (Type ty) = return False
-isRepr expr = Trans.lift $ MonadState.lift tsType $ VHDLTools.isReprType (CoreUtils.exprType expr)
+isRepr :: (CoreTools.TypedThing t) => t -> TransformMonad Bool
+isRepr tything = case CoreTools.getType tything of
+ Nothing -> return False
+ Just ty -> Trans.lift $ MonadState.lift tsType $ VHDLTools.isReprType ty
is_local_var :: CoreSyn.CoreExpr -> TranslatorSession Bool
is_local_var (CoreSyn.Var v) = do
bndrs <- getGlobalBinders
return $ not $ v `elem` bndrs
is_local_var _ = return False
+
+-- Is the given binder defined by the user?
+isUserDefined :: CoreSyn.CoreBndr -> Bool
+-- System names are certain to not be user defined
+isUserDefined bndr | Name.isSystemName (Id.idName bndr) = False
+-- Check a list of typical compiler-defined names
+isUserDefined bndr = str `elem` compiler_names
+ where
+ str = Name.getOccString bndr
+ -- These are names of bindings usually generated by the compiler. For some
+ -- reason these are not marked as system, probably because the name itself
+ -- is not made up by the compiler, just this particular binding is.
+ compiler_names = ["fromInteger"]