Fix bug with generating head and tail functions. Update builtin resize function

[matthijs/master-project/cλash.git] / cλash / CLasH / Translator / TranslatorTypes.hs

diff --git a/cλash/CLasH/Translator/TranslatorTypes.hs b/cλash/CLasH/Translator/TranslatorTypes.hs
index 257c543e2f9f799980f8035ab89bb7ac4b009050..ee2220d0a4ece1ff6de9e2cfcd9ad193615a5b81 100644 (file)
--- a/cλash/CLasH/Translator/TranslatorTypes.hs
+++ b/cλash/CLasH/Translator/TranslatorTypes.hs
@@ -27,7 +27,7 @@ import CLasH.VHDL.VHDLTypes
 -- | A specification of an entity we can generate VHDL for. Consists of the
 --   binder of the top level entity, an optional initial state and an optional
 --   test input.
-type EntitySpec = (CoreSyn.CoreBndr, Maybe CoreSyn.CoreExpr, Maybe CoreSyn.CoreExpr)
+type EntitySpec = (Maybe CoreSyn.CoreBndr, Maybe CoreSyn.CoreExpr, Maybe CoreSyn.CoreExpr)
 
 -- | A function that knows which parts of a module to compile
 type Finder =
@@ -39,7 +39,7 @@ type Finder =
 -----------------------------------------------------------------------------
 
 -- A orderable equivalent of CoreSyn's Type for use as a map key
-newtype OrdType = OrdType { getType :: Type.Type }
+newtype OrdType = OrdType Type.Type
 instance Eq OrdType where
   (OrdType a) == (OrdType b) = Type.tcEqType a b
 instance Ord OrdType where
@@ -47,6 +47,7 @@ instance Ord OrdType where
 
 data HType = StdType OrdType |
              ADTType String [HType] |
+             EnumType String [String] |
              VecType Int HType |
              SizedWType Int |
              RangedWType Int |
@@ -54,12 +55,13 @@ data HType = StdType OrdType |
              BuiltinType String
   deriving (Eq, Ord)
 
--- A map of a Core type to the corresponding type name
-type TypeMap = Map.Map HType (AST.VHDLId, Either AST.TypeDef AST.SubtypeIn)
+-- A map of a Core type to the corresponding type name, or Nothing when the
+-- type would be empty.
+type TypeMap = Map.Map HType (Maybe (AST.VHDLId, Either AST.TypeDef AST.SubtypeIn))
 
 -- A map of a vector Core element type and function name to the coressponding
 -- VHDLId of the function and the function body.
-type TypeFunMap = Map.Map (OrdType, String) (AST.VHDLId, AST.SubProgBody)
+type TypeFunMap = Map.Map (HType, String) (AST.VHDLId, AST.SubProgBody)
 
 type TfpIntMap = Map.Map OrdType Int
 -- A substate that deals with type generation
@@ -85,6 +87,7 @@ data TranslatorState = TranslatorState {
   , tsType_ :: TypeState
   , tsBindings_ :: Map.Map CoreSyn.CoreBndr CoreSyn.CoreExpr
   , tsNormalized_ :: Map.Map CoreSyn.CoreBndr CoreSyn.CoreExpr
+  , tsEntityCounter_ :: Integer
   , tsEntities_ :: Map.Map CoreSyn.CoreBndr Entity
   , tsArchitectures_ :: Map.Map CoreSyn.CoreBndr (Architecture, [CoreSyn.CoreBndr])
 }