update cabal file to upload to hackage

[matthijs/master-project/cλash.git] / cλash / CLasH / Normalize / NormalizeTypes.hs

diff --git a/cλash/CLasH/Normalize/NormalizeTypes.hs b/cλash/CLasH/Normalize/NormalizeTypes.hs
index 3affc870d75d0f2fa8a9655a7d93a561fbfd7892..4e98709eed26c2bf07dbbf5339014957cd44910d 100644 (file)
--- a/cλash/CLasH/Normalize/NormalizeTypes.hs
+++ b/cλash/CLasH/Normalize/NormalizeTypes.hs
@@ -14,5 +14,21 @@ import CLasH.Translator.TranslatorTypes
 -- over a single expression and track if the expression was changed.
 type TransformMonad = Writer.WriterT Monoid.Any TranslatorSession
 
+-- | In what context does a core expression occur?
+data CoreContext = AppFirst        -- ^ The expression is the first
+                                   -- argument of an application (i.e.,
+                                   -- it is applied)
+                 | AppSecond       -- ^ The expression is the second
+                                   --   argument of an application
+                                   --   (i.e., something is applied to it)
+                 | LetBinding      -- ^ The expression is bound in a
+                                   --   (recursive or non-recursive) let
+                                   --   expression.
+                 | LetBody         -- ^ The expression is the body of a
+                                   --   let expression
+                 | LambdaBody      -- ^ The expression is the body of a
+                                   --   lambda abstraction
+                 | Other           -- ^ Another context
+  deriving (Eq, Show)
 -- | Transforms a CoreExpr and keeps track if it has changed.
-type Transform = CoreSyn.CoreExpr -> TransformMonad CoreSyn.CoreExpr
+type Transform = [CoreContext] -> CoreSyn.CoreExpr -> TransformMonad CoreSyn.CoreExpr