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unbased-unsized binding nested struct performance fix

This commit is contained in:
Zachary Snow 2020-08-20 20:07:26 -04:00
parent 7f0c33ab4e
commit a170536382
1 changed files with 11 additions and 3 deletions
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14
src/Convert/UnbasedUnsized.hs
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@ -83,7 +83,7 @@ convertModuleItem _ other = convertModuleItem' other
determinePortSize :: Identifier -> [ParamBinding] -> [ModuleItem] -> Expr
determinePortSize portName instanceParams moduleItems =
step initialMapping moduleItems
step (reverse initialMapping) moduleItems
where
moduleParams = parameterNames moduleItems
initialMapping = catMaybes $
@ -99,10 +99,10 @@ determinePortSize portName instanceParams moduleItems =
step :: [(Identifier, Expr)] -> [ModuleItem] -> Expr
step mapping (MIPackageItem (Decl (Param _ _ x e)) : rest) =
step (mapping ++ [(x, e)]) rest
step ((x, e) : mapping) rest
step mapping (MIPackageItem (Decl (Variable _ t x a _)) : rest) =
if x == portName
then substituteExpr mapping size
then substituteExpr (reverse mapping) size
else step mapping rest
where size = BinOp Mul (dimensionsSize a) (DimsFn FnBits $ Left t)
step mapping (_ : rest) = step mapping rest
@ -111,6 +111,14 @@ determinePortSize portName instanceParams moduleItems =
substituteExpr :: [(Identifier, Expr)] -> Expr -> Expr
substituteExpr _ (Ident (':' : x)) =
Ident x
substituteExpr mapping (Dot (Ident x) y) =
case lookup x mapping of
Nothing -> Dot (Ident x) y
Just (Pattern items) ->
case lookup y items of
Just item -> substituteExpr mapping item
Nothing -> Dot (substituteExpr mapping (Pattern items)) y
Just expr -> Dot (substituteExpr mapping expr) y
substituteExpr mapping (Ident x) =
case lookup x mapping of
Nothing -> Ident x