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refactor the API for random generation again. Now PGF contains probabilities in the abstract syntax

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krasimir
2010-10-02 13:03:57 +00:00
parent c0251e76c5
commit be9ad26aea
23 changed files with 177 additions and 194 deletions
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22
src/runtime/haskell/PGF.hs
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@@ -105,8 +105,6 @@ module PGF(
generateFrom, generateFromDepth,
generateRandom, generateRandomDepth,
generateRandomFrom, generateRandomFromDepth,
RandomSelector(..),
-- ** Morphological Analysis
Lemma, Analysis, Morpho,
@@ -269,8 +267,8 @@ functions pgf = Map.keys (funs (abstract pgf))
functionType pgf fun =
case Map.lookup fun (funs (abstract pgf)) of
Just (ty,_,_) -> Just ty
Nothing -> Nothing
Just (ty,_,_,_) -> Just ty
Nothing -> Nothing
-- | Converts an expression to normal form
compute :: PGF -> Expr -> Expr
@@ -280,20 +278,20 @@ browse :: PGF -> CId -> Maybe (String,[CId],[CId])
browse pgf id = fmap (\def -> (def,producers,consumers)) definition
where
definition = case Map.lookup id (funs (abstract pgf)) of
Just (ty,_,Just eqs) -> Just $ render (text "fun" <+> ppCId id <+> colon <+> ppType 0 [] ty $$
if null eqs
then empty
else text "def" <+> vcat [let scope = foldl pattScope [] patts
ds = map (ppPatt 9 scope) patts
in ppCId id <+> hsep ds <+> char '=' <+> ppExpr 0 scope res | Equ patts res <- eqs])
Just (ty,_,Nothing ) -> Just $ render (text "data" <+> ppCId id <+> colon <+> ppType 0 [] ty)
Just (ty,_,Just eqs,_) -> Just $ render (text "fun" <+> ppCId id <+> colon <+> ppType 0 [] ty $$
if null eqs
then empty
else text "def" <+> vcat [let scope = foldl pattScope [] patts
ds = map (ppPatt 9 scope) patts
in ppCId id <+> hsep ds <+> char '=' <+> ppExpr 0 scope res | Equ patts res <- eqs])
Just (ty,_,Nothing, _) -> Just $ render (text "data" <+> ppCId id <+> colon <+> ppType 0 [] ty)
Nothing -> case Map.lookup id (cats (abstract pgf)) of
Just (hyps,_) -> Just $ render (text "cat" <+> ppCId id <+> hsep (snd (mapAccumL (ppHypo 4) [] hyps)))
Nothing -> Nothing
(producers,consumers) = Map.foldWithKey accum ([],[]) (funs (abstract pgf))
where
accum f (ty,_,_) (plist,clist) =
accum f (ty,_,_,_) (plist,clist) =
let !plist' = if id `elem` ps then f : plist else plist
!clist' = if id `elem` cs then f : clist else clist
in (plist',clist')