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bug fix in the new partial evaluator

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It can leave wildcard tables in their origial form, but it easy to handle
them in the unfactor function in GeneratePMCFG.
This commit is contained in:
hallgren
2012-12-20 16:41:43 +00:00
parent 5ff33f47be
commit 12dec2503d
1 changed files with 10 additions and 2 deletions
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12
src/compiler/GF/Compile/GeneratePMCFG.hs
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@@ -148,10 +148,18 @@ unfactor t = CM (\gr c -> c (unfac gr t))
where
unfac gr t =
case t of
T (TTyped ty) [(PV x,u)] -> V ty [restore x v (unfac gr u) | v <- err bug id (allParamValues gr ty)]
T (TTyped ty) _ -> ppbug $ text "unfactor"<+>ppTerm Unqualified 10 t
T (TTyped ty) [(PV x,u)] -> let u' = unfac gr u
in V ty [restore x v u' | v <- allparams ty]
T (TTyped ty) [(PW ,u)] -> let u' = unfac gr u
in V ty [u' | _ <- allparams ty]
T (TTyped ty) _ -> -- converTerm doesn't handle these tables
ppbug $
sep [text "unfactor"<+>ppTerm Unqualified 10 t,
text (show t)]
_ -> composSafeOp (unfac gr) t
where
allparams ty = err bug id (allParamValues gr ty)
restore x u t = case t of
Vr y | y == x -> u
_ -> composSafeOp (restore x u) t