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DarqueDante
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bob

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used_free_params <- forM (namesToList free_in_fun) $ \v -> do
v_t <- lookupType v
return $ Param v $ toDecl v_t Nonunique
let free_shape_params =
map (`Param` I.Prim int32) $
concatMap (I.shapeVars . I.arrayShape . I.paramType) used_free_params
free_params = nub $ free_shape_params ++ used_free_params
all_params = free_params ++ shapeparams ++ concat params'
let fd =
I.FunDef
Nothing
(internaliseAttrs attrs)
fname'
rettype'
all_params
body'
if null params'
then bindConstant fname fd
else
bindFunction
fname
fd
( fname',
map I.paramName free_params,
shapenames,
map declTypeOf $ concat params',
all_params,
applyRetType rettype' all_params
)
case entry of
Just (Info entry') -> generateEntryPoint entry' fb
Nothing -> return ()
where
zeroExts ts = generaliseExtTypes ts ts
allDimsFreshInType :: MonadFreshNames m => E.PatternType -> m E.PatternType
allDimsFreshInType = bitraverse onDim pure
where
onDim (E.NamedDim v) =
E.NamedDim . E.qualName <$> newVName (baseString $ E.qualLeaf v)
onDim _ =
E.NamedDim . E.qualName <$> newVName "size"
-- | Replace all named dimensions with a fresh name, and remove all
-- constant dimensions. The point is to remove the constraints, but
-- keep the names around. We use this for constructing the entry
-- point parameters.
allDimsFreshInPat :: MonadFreshNames m => E.Pattern -> m E.Pattern
allDimsFreshInPat (PatternAscription p _ _) =
allDimsFreshInPat p
allDimsFreshInPat (PatternParens p _) =
allDimsFreshInPat p
allDimsFreshInPat (Id v (Info t) loc) =
Id v <$> (Info <$> allDimsFreshInType t) <*> pure loc
allDimsFreshInPat (TuplePattern ps loc) =
TuplePattern <$> mapM allDimsFreshInPat ps <*> pure loc
allDimsFreshInPat (RecordPattern ps loc) =
RecordPattern <$> mapM (traverse allDimsFreshInPat) ps <*> pure loc
allDimsFreshInPat (Wildcard (Info t) loc) =
Wildcard <$> (Info <$> allDimsFreshInType t) <*> pure loc
allDimsFreshInPat (PatternLit e (Info t) loc) =
PatternLit e <$> (Info <$> allDimsFreshInType t) <*> pure loc
allDimsFreshInPat (PatternConstr c (Info t) pats loc) =
PatternConstr c <$> (Info <$> allDimsFreshInType t)
<*> mapM allDimsFreshInPat pats
<*> pure loc
generateEntryPoint :: E.EntryPoint -> E.ValBind -> InternaliseM ()
generateEntryPoint (E.EntryPoint e_paramts e_rettype) vb = localConstsScope $ do
let (E.ValBind _ ofname _ (Info (rettype, _)) _ params _ _ attrs loc) = vb
-- We replace all shape annotations, so there should be no constant
-- parameters here.
params_fresh <- mapM allDimsFreshInPat params
let tparams =
map (`E.TypeParamDim` mempty) $
S.toList $
mconcat $ map E.patternDimNames params_fresh
bindingParams tparams params_fresh $ \shapeparams params' -> do
entry_rettype <- internaliseEntryReturnType $ anySizes rettype
let entry' = entryPoint (zip e_paramts params') (e_rettype, entry_rettype)
args = map (I.Var . I.paramName) $ concat params'
entry_body <- insertStmsM $ do
-- Special case the (rare) situation where the entry point is
-- not a function.
maybe_const <- lookupConst ofname
vals <- case maybe_const of
Just ses ->
return ses
Nothing ->
fst <$> funcall "entry_result" (E.qualName ofname) args loc
ctx <-
extractShapeContext (concat entry_rettype)
<$> mapM (fmap I.arrayDims . subExpType) vals
resultBodyM (ctx ++ vals)