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some work on evaluation with abstract expressions in PGF

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krasimir
2009-05-22 18:54:51 +00:00
parent f29bdd762e
commit f9c877eec6
32 changed files with 207 additions and 154 deletions
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4
src/GF/Grammar/Binary.hs
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@@ -90,7 +90,7 @@ instance Binary Options where
instance Binary Info where
put (AbsCat x y) = putWord8 0 >> put (x,y)
put (AbsFun x y) = putWord8 1 >> put (x,y)
put (AbsFun x y z) = putWord8 1 >> put (x,y,z)
put (ResParam x) = putWord8 2 >> put x
put (ResValue x) = putWord8 3 >> put x
put (ResOper x y) = putWord8 4 >> put (x,y)
@@ -101,7 +101,7 @@ instance Binary Info where
get = do tag <- getWord8
case tag of
0 -> get >>= \(x,y) -> return (AbsCat x y)
1 -> get >>= \(x,y) -> return (AbsFun x y)
1 -> get >>= \(x,y,z) -> return (AbsFun x y z)
2 -> get >>= \x -> return (ResParam x)
3 -> get >>= \x -> return (ResValue x)
4 -> get >>= \(x,y) -> return (ResOper x y)