X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=c%CE%BBash%2FCLasH%2FTranslator%2FTranslatorTypes.hs;h=257c543e2f9f799980f8035ab89bb7ac4b009050;hb=08b9e0c5831fc9ea188395b6e272359bf439568f;hp=5fb97c2b31831c4c1f5380d51f5250ceacd57517;hpb=fcadaad2e47e5f6cba4b9f7d4341477b8fe74158;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git "a/c\316\273ash/CLasH/Translator/TranslatorTypes.hs" "b/c\316\273ash/CLasH/Translator/TranslatorTypes.hs"
index 5fb97c2..257c543 100644
--- "a/c\316\273ash/CLasH/Translator/TranslatorTypes.hs"
+++ "b/c\316\273ash/CLasH/Translator/TranslatorTypes.hs"
@@ -12,6 +12,7 @@ import qualified Data.Accessor.Template
 import Data.Accessor
 
 -- GHC API
+import qualified GHC
 import qualified CoreSyn
 import qualified Type
 import qualified HscTypes
@@ -23,6 +24,20 @@ import qualified Language.VHDL.AST as AST
 -- Local imports
 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)
+
+-- | A function that knows which parts of a module to compile
+type Finder =
+  HscTypes.CoreModule -- ^ The module to look at
+  -> GHC.Ghc [EntitySpec]
+
+-----------------------------------------------------------------------------
+-- The TranslatorSession
+-----------------------------------------------------------------------------
+
 -- A orderable equivalent of CoreSyn's Type for use as a map key
 newtype OrdType = OrdType { getType :: Type.Type }
 instance Eq OrdType where
@@ -62,13 +77,6 @@ data TypeState = TypeState {
 -- Derive accessors
 $( Data.Accessor.Template.deriveAccessors ''TypeState )
 
--- Compatibility with old VHDLSession
-vsTypes = tsTypes
-vsTypeDecls = tsTypeDecls
-vsTypeFuns = tsTypeFuns
-vsTfpInts = tsTfpInts
-vsHscEnv = tsHscEnv
-
 -- Define a session
 type TypeSession = State.State TypeState
 -- A global state for the translator
@@ -86,12 +94,9 @@ $( Data.Accessor.Template.deriveAccessors ''TranslatorState )
 
 type TranslatorSession = State.State TranslatorState
 
--- Compatibility for the old VHDLSesssion
-vsType = tsType
-type VHDLSession = TranslatorSession
-
--- Compatibility for the old TransformSession
-type TransformSession = TranslatorSession
+-----------------------------------------------------------------------------
+-- Some accessors
+-----------------------------------------------------------------------------
 
 -- Does the given binder reference a top level binder in the current
 -- module(s)?
@@ -100,4 +105,20 @@ isTopLevelBinder bndr = do
   bindings <- getA tsBindings
   return $ Map.member bndr bindings
 
+-- Finds the value of a global binding, if available
+getGlobalBind :: CoreSyn.CoreBndr -> TranslatorSession (Maybe CoreSyn.CoreExpr)
+getGlobalBind bndr = do
+  bindings <- getA tsBindings
+  return $ Map.lookup bndr bindings 
+
+-- Adds a new global binding with the given value
+addGlobalBind :: CoreSyn.CoreBndr -> CoreSyn.CoreExpr -> TranslatorSession ()
+addGlobalBind bndr expr = modA tsBindings (Map.insert bndr expr)
+
+-- Returns a list of all global binders
+getGlobalBinders :: TranslatorSession [CoreSyn.CoreBndr]
+getGlobalBinders = do
+  bindings <- getA tsBindings
+  return $ Map.keys bindings
+
 -- vim: set ts=8 sw=2 sts=2 expandtab: