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AbsState: Add missing casses to concretize and absValueSize

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This commit is contained in:
Jason Dagit 2017-07-12 16:34:11 -07:00
parent 0e66a3dfea
commit 66b41f1d56
1 changed files with 11 additions and 3 deletions
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14
src/Data/Macaw/AbsDomain/AbsState.hs
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@ -286,7 +286,11 @@ concretize (SubValue _ _) = Nothing -- we know nothing about _all_ values
concretize (StridedInterval s) =
debug DAbsInt ("Concretizing " ++ show (pretty s)) $
Just (Set.fromList (SI.toList s))
concretize _ = Nothing
concretize (BoolConst b) = Just (Set.singleton (if b then 1 else 0))
concretize SomeStackOffset{} = Nothing
concretize TopV = Nothing
concretize ReturnAddr = Nothing
concretize StackOffset{} = Nothing
-- FIXME: make total, we would need to carry around tp
absValueSize :: AbsValue w tp -> Maybe Integer
@ -294,9 +298,13 @@ absValueSize (FinSet s) = Just $ fromIntegral (Set.size s)
absValueSize (CodePointers s b) = Just $ fromIntegral (Set.size s) + (if b then 1 else 0)
absValueSize (StridedInterval s) = Just $ SI.size s
absValueSize (StackOffset _ s) = Just $ fromIntegral (Set.size s)
absValueSize _ = Nothing
absValueSize (BoolConst _) = Just 1
absValueSize SomeStackOffset{} = Nothing
absValueSize SubValue{} = Nothing
absValueSize TopV = Nothing
absValueSize ReturnAddr = Nothing
-- | Return single value is the abstract value can only take on one value.
-- | Returns single value, if the abstract value can only take on one value.
asConcreteSingleton :: MemWidth w => AbsValue w tp -> Maybe Integer
asConcreteSingleton v = do
sz <- absValueSize v