2 -- Some types used by the VHDL module.
6 import qualified ForSyDe.Backend.VHDL.AST as AST
10 -- | A mapping from a haskell structure to the corresponding VHDL port
11 -- signature, or Nothing for values that do not translate to a port.
12 type VHDLSignalMap = SignalMap (Maybe (AST.VHDLId, AST.TypeMark))
14 -- A description of a VHDL entity. Contains both the entity itself as well as
15 -- info on how to map a haskell value (argument / result) on to the entity's
17 data Entity = Entity {
18 ent_id :: AST.VHDLId, -- The id of the entity
19 ent_args :: [VHDLSignalMap], -- A mapping of each function argument to port names
20 ent_res :: VHDLSignalMap, -- A mapping of the function result to port names
21 ent_decl :: Maybe AST.EntityDec -- The actual entity declaration. Can be empty for builtin functions.