X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=VHDLTypes.hs;h=d23daea033d77b38710b5fe6c09fcbfaae2be62f;hb=a0c01abba26d4c00428d340d068f87a84afbc917;hp=948b3a1447b0320f01c2599b12b15875d8d4112d;hpb=d8c4021114afc1f860763b3a8dceff3f219d4798;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/VHDLTypes.hs b/VHDLTypes.hs index 948b3a1..d23daea 100644 --- a/VHDLTypes.hs +++ b/VHDLTypes.hs @@ -12,6 +12,7 @@ import qualified Data.Accessor.Template -- GHC API imports import qualified Type +import qualified CoreSyn -- ForSyDe imports import qualified ForSyDe.Backend.VHDL.AST as AST @@ -20,44 +21,64 @@ import qualified ForSyDe.Backend.VHDL.AST as AST import FlattenTypes import HsValueMap +type VHDLSignalMapElement = (Maybe (AST.VHDLId, AST.TypeMark)) -- | A mapping from a haskell structure to the corresponding VHDL port -- signature, or Nothing for values that do not translate to a port. -type VHDLSignalMap = HsValueMap (Maybe (AST.VHDLId, AST.TypeMark)) +type VHDLSignalMap = HsValueMap VHDLSignalMapElement -- A description of a VHDL entity. Contains both the entity itself as well as -- info on how to map a haskell value (argument / result) on to the entity's -- ports. -data Entity = Entity { +data Entity = Entity { ent_id :: AST.VHDLId, -- The id of the entity - ent_args :: [VHDLSignalMap], -- A mapping of each function argument to port names - ent_res :: VHDLSignalMap -- A mapping of the function result to port names + ent_args :: [VHDLSignalMapElement], -- A mapping of each function argument to port names + ent_res :: VHDLSignalMapElement -- A mapping of the function result to port names } deriving (Show); -- A orderable equivalent of CoreSyn's Type for use as a map key -newtype OrdType = OrdType Type.Type +newtype OrdType = OrdType { getType :: Type.Type } instance Eq OrdType where (OrdType a) == (OrdType b) = Type.tcEqType a b instance Ord OrdType where compare (OrdType a) (OrdType b) = Type.tcCmpType a b --- A map of a Core type to the corresponding type name (and optionally, it's --- declaration for non-primitive types). -type TypeMap = Map.Map OrdType (AST.VHDLId, AST.TypeDec) +-- A map of a Core type to the corresponding type name +type TypeMap = Map.Map OrdType (AST.VHDLId, Either AST.TypeDef AST.SubtypeIn) + +-- A map of Elem types to the corresponding VHDL Id for the Vector +type ElemTypeMap = Map.Map OrdType (AST.VHDLId, AST.TypeDef) + +-- 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) -- A map of a Haskell function to a hardware signature -type SignatureMap = Map.Map HsFunction Entity +type SignatureMap = Map.Map CoreSyn.CoreBndr Entity -data VHDLSession = VHDLSession { +data VHDLState = VHDLState { -- | A map of Core type -> VHDL Type - vsTypes_ :: TypeMap, + vsTypes_ :: TypeMap, + -- | A map of Elem types -> VHDL Vector Id + vsElemTypes_ :: ElemTypeMap, + -- | A map of vector Core type -> VHDL type function + vsTypeFuns_ :: TypeFunMap, -- | A map of HsFunction -> hardware signature (entity name, port names, -- etc.) vsSignatures_ :: SignatureMap } -- Derive accessors -$( Data.Accessor.Template.deriveAccessors ''VHDLSession ) +$( Data.Accessor.Template.deriveAccessors ''VHDLState ) + +-- | The state containing a VHDL Session +type VHDLSession = State.State VHDLState + +-- | A substate containing just the types +type TypeState = State.State TypeMap + +type Builder = Either (CoreSyn.CoreBndr -> [AST.Expr] -> VHDLSession AST.Expr) (Entity -> [CoreSyn.CoreBndr] -> VHDLSession AST.GenerateSm) -type VHDLState = State.State VHDLSession +-- A map of a builtin function to VHDL function builder +type NameTable = Map.Map String (Int, Builder ) -- vim: set ts=8 sw=2 sts=2 expandtab: