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A basic infrastructure for generating Teyjus bytecode from the GF abstract syntax

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kr.angelov
2012-08-29 11:43:02 +00:00
parent 27196778ac
commit f8fe23fda7
23 changed files with 211 additions and 102 deletions
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24
src/runtime/haskell/PGF.hs
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@@ -278,8 +278,8 @@ 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
@@ -289,20 +289,20 @@ 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
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')