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Combine the gram at each node in.

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Rob Rix 2016-08-02 13:56:48 -04:00
parent 192366d5ad
commit 1b02940e26
1 changed files with 6 additions and 3 deletions
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src/Diffing.hs
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@ -129,9 +129,12 @@ termCostDecorator :: (Prologue.Foldable f, Functor f) => TermDecorator f a Cost
termCostDecorator c = 1 + sum (cost <$> tailF c) termCostDecorator c = 1 + sum (cost <$> tailF c)
pqGramDecorator :: (Prologue.Foldable f, Functor f) => (forall b. CofreeF f (Record a) b -> label) -> Int -> Int -> TermDecorator f a (Gram label, DList.DList (Gram label)) pqGramDecorator :: (Prologue.Foldable f, Functor f) => (forall b. CofreeF f (Record a) b -> label) -> Int -> Int -> TermDecorator f a (Gram label, DList.DList (Gram label))
pqGramDecorator getLabel p q c@(a :< s) = (Gram [] [ Just (getLabel c) ], foldMap (Prologue.snd . childGrams) s) pqGramDecorator getLabel p q c@(a :< s) = (Gram [] [ Just label ], foldMap (childGrams label) s)
where childGrams :: HasField fields (Gram label, DList.DList (Gram label)) => Record fields -> (Gram label, DList.DList (Gram label)) where childGrams :: HasField fields (Gram label, DList.DList (Gram label)) => label -> Record fields -> DList.DList (Gram label)
childGrams = getField childGrams label record = let (child, grandchildren) = getField record in
DList.singleton (prependParent label child) <> grandchildren
prependParent label gram = gram { stem = Just label : stem gram }
label = getLabel c
-- | The sum of the node count of the diff’s patches. -- | The sum of the node count of the diff’s patches.
diffCostWithCachedTermCosts :: HasField fields Cost => Diff leaf (Record fields) -> Integer diffCostWithCachedTermCosts :: HasField fields Cost => Diff leaf (Record fields) -> Integer