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fix handling of Not in the matcher

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Joey Hess 2013-05-25 13:50:27 -04:00
parent b276857a7a
commit d4234b461b
1 changed files with 19 additions and 3 deletions
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22
Utility/Matcher.hs
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@ -64,14 +64,18 @@ generate = simplify . process MAny . tokenGroups
process m [] = m
process m ts = uncurry process $ consume m ts
consume m ((One And):y:rest) = (m `MAnd` process MAny [y], rest)
consume m ((One Or):y:rest) = (m `MOr` process MAny [y], rest)
consume m ((One Not):x:rest) = (m `MAnd` MNot (process MAny [x]), rest)
consume m ((One And):rest) = term (m `MAnd`) rest
consume m ((One Or):rest) = term (m `MOr`) rest
consume m ((One Not):rest) = term (\p -> m `MAnd` (MNot p)) rest
consume m ((One (Operation o)):rest) = (m `MAnd` MOp o, rest)
consume m (Group g:rest) = (process m g, rest)
consume m (_:rest) = consume m rest
consume m [] = (m, [])
term a l =
let (p, l') = consume MAny l
in (a p, l')
simplify (MAnd MAny x) = simplify x
simplify (MAnd x MAny) = simplify x
simplify (MAnd x y) = MAnd (simplify x) (simplify y)
@ -148,6 +152,18 @@ prop_matcher_sane = all (\m -> match dummy m ()) $ map generate
, [Not, Open, Operation True, And, Operation False, Close]
, [Not, Open, Not, Open, Not, Operation False, Close, Close]
, [Not, Open, Not, Open, Not, Open, Not, Operation True, Close, Close]
, [Operation True, And, Not, Operation False]
, [Operation True, Not, Operation False]
, [Operation True, Not, Not, Not, Operation False]
, [Operation True, Not, Not, Not, Operation False, And, Operation True]
, [Operation True, Not, Not, Not, Operation False, Operation True]
, [Not, Open, Operation True, And, Operation False, Close,
And, Open,
Open, Operation True, And, Operation False, Close,
Or,
Open, Operation True, And, Open, Not, Operation False, Close, Close,
Close, And,
Open, Not, Operation False, Close]
]
where
dummy b _ = b