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forked from GitHub/gf-core

now for every category we store, in PGF, the list of functions for it in source-code order. The order matters for the termination of the exhaustive generation with dependent types.

This commit is contained in:
krasimir
2010-03-24 11:11:55 +00:00
parent 76d155af0e
commit 68482aa7e9
10 changed files with 29 additions and 32 deletions

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@@ -25,6 +25,7 @@ import GF.Infra.Option
import GF.Data.Operations
import Data.List
import Data.Function
import Data.Char (isDigit,isSpace)
import qualified Data.Map as Map
import qualified Data.ByteString.Char8 as BS
@@ -56,7 +57,7 @@ canon2pgf opts pars cgr@(M.MGrammar ((a,abm):cms)) = do
where
-- abstract
an = (i2i a)
abs = D.Abstr aflags funs cats Map.empty
abs = D.Abstr aflags funs cats
gflags = Map.empty
aflags = Map.fromList [(mkCId f,C.LStr x) | (f,x) <- optionsPGF (M.flags abm)]
@@ -70,11 +71,12 @@ canon2pgf opts pars cgr@(M.MGrammar ((a,abm):cms)) = do
lfuns = [(f', (mkType [] ty, mkArrity ma, mkDef pty)) |
(f,AbsFun (Just (L _ ty)) ma pty) <- tree2list (M.jments abm), let f' = i2i f]
funs = Map.fromAscList lfuns
lcats = [(i2i c, snd (mkContext [] cont)) |
lcats = [(i2i c, (snd (mkContext [] cont),catfuns c)) |
(c,AbsCat (Just (L _ cont))) <- tree2list (M.jments abm)]
cats = Map.fromAscList lcats
catfuns = Map.fromList
[(cat,[f | (f, (C.DTyp _ c _,_,_)) <- lfuns, c==cat]) | (cat,_) <- lcats]
catfuns cat =
(map snd . sortBy (compare `on` fst))
[(loc,i2i f) | (f,AbsFun (Just (L loc ty)) _ _) <- tree2list (M.jments abm), snd (GM.valCat ty) == cat]
mkConcr lang0 lang mo = do
lins' <- case mapM (checkLin (funs,lins,lincats) lang) (Map.toList lins) of

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@@ -12,7 +12,7 @@ import Debug.Trace
grammar2lambdaprolog_mod pgf = render $
text "module" <+> ppCId (absname pgf) <> char '.' $$
space $$
vcat [ppClauses cat fns | (cat,fs) <- Map.toList (catfuns (abstract pgf)),
vcat [ppClauses cat fns | (cat,(_,fs)) <- Map.toList (cats (abstract pgf)),
let fns = [(f,fromJust (Map.lookup f (funs (abstract pgf)))) | f <- fs]]
where
ppClauses cat fns =
@@ -23,11 +23,11 @@ grammar2lambdaprolog_mod pgf = render $
grammar2lambdaprolog_sig pgf = render $
text "sig" <+> ppCId (absname pgf) <> char '.' $$
space $$
vcat [ppCat c hyps <> dot | (c,hyps) <- Map.toList (cats (abstract pgf))] $$
vcat [ppCat c hyps <> dot | (c,(hyps,_)) <- Map.toList (cats (abstract pgf))] $$
space $$
vcat [ppFun f ty <> dot | (f,(ty,_,_)) <- Map.toList (funs (abstract pgf))] $$
space $$
vcat [ppExport c hyps <> dot | (c,hyps) <- Map.toList (cats (abstract pgf))]
vcat [ppExport c hyps <> dot | (c,(hyps,_)) <- Map.toList (cats (abstract pgf))]
ppCat :: CId -> [Hypo] -> Doc
ppCat c hyps = text "kind" <+> ppKind c <+> text "type"

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@@ -51,7 +51,7 @@ clauseHeader hdr clauses = "":hdr:clauses
-- abstract syntax
plAbstract :: (CId, Abstr) -> [String]
plAbstract (name, Abstr aflags funs cats _catfuns) =
plAbstract (name, Abstr aflags funs cats) =
["", "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%",
"%% abstract module: " ++ plp name] ++
clauseHeader "%% absflag(?Flag, ?Value): flags for abstract syntax"
@@ -63,8 +63,8 @@ plAbstract (name, Abstr aflags funs cats _catfuns) =
clauseHeader "%% def(?Fun, ?Expr)"
(concatMap plFundef (Map.assocs funs))
plCat :: (CId, [Hypo]) -> String
plCat (cat, hypos) = plFact "cat" (plTypeWithHypos typ)
plCat :: (CId, ([Hypo],[CId])) -> String
plCat (cat, (hypos,_)) = plFact "cat" (plTypeWithHypos typ)
where ((_,subst), hypos') = mapAccumL alphaConvertHypo emptyEnv hypos
args = reverse [EFun x | (_,x) <- subst]
typ = DTyp hypos' cat args

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@@ -40,7 +40,7 @@ type Skeleton = [(CId, [(CId, [CId])])]
pgfSkeleton :: PGF -> Skeleton
pgfSkeleton pgf = [(c,[(f,fst (catSkeleton (lookType pgf f))) | f <- fs])
| (c,fs) <- Map.toList (catfuns (abstract pgf)),
| (c,(_,fs)) <- Map.toList (cats (abstract pgf)),
not (isLiteralCat c)]
--

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@@ -315,8 +315,8 @@ browse pgf id = fmap (\def -> (def,producers,consumers)) definition
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

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@@ -44,7 +44,6 @@ instance Binary Abstr where
cats <- get
return (Abstr{ aflags=aflags
, funs=funs, cats=cats
, catfuns=Map.empty
})
instance Binary Concr where

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@@ -24,10 +24,12 @@ data PGF = PGF {
}
data Abstr = Abstr {
aflags :: Map.Map CId Literal, -- value of a flag
funs :: Map.Map CId (Type,Int,Maybe [Equation]), -- type, arrity and definition of function
cats :: Map.Map CId [Hypo], -- context of a cat
catfuns :: Map.Map CId [CId] -- funs to a cat (redundant, for fast lookup)
aflags :: Map.Map CId Literal, -- ^ value of a flag
funs :: Map.Map CId (Type,Int,Maybe [Equation]), -- ^ type, arrity and definition of function
cats :: Map.Map CId ([Hypo],[CId]) -- ^ 1. context of a category
-- ^ 2. functions of a category. The order in the list is important,
-- this is the order in which the type singatures are given in the source.
-- The termination of the exhaustive generation might depend on this.
}
data Concr = Concr {

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@@ -59,7 +59,7 @@ functionsToCat :: PGF -> CId -> [(CId,Type)]
functionsToCat pgf cat =
[(f,ty) | f <- fs, Just (ty,_,_) <- [Map.lookup f $ funs $ abstract pgf]]
where
fs = lookMap [] cat $ catfuns $ abstract pgf
(_,fs) = lookMap ([],[]) cat $ cats $ abstract pgf
missingLins :: PGF -> CId -> [CId]
missingLins pgf lang = [c | c <- fs, not (hasl c)] where
@@ -72,12 +72,11 @@ hasLin pgf lang f = Map.member f $ lproductions $ lookConcr pgf lang
restrictPGF :: (CId -> Bool) -> PGF -> PGF
restrictPGF cond pgf = pgf {
abstract = abstr {
funs = restrict $ funs $ abstr,
cats = restrict $ cats $ abstr
funs = Map.filterWithKey (\c _ -> cond c) (funs abstr),
cats = Map.map (\(hyps,fs) -> (hyps,filter cond fs)) (cats abstr)
}
} ---- restrict concrs also, might be needed
where
restrict = Map.filterWithKey (\c _ -> cond c)
abstr = abstract pgf
depth :: Expr -> Int
@@ -142,13 +141,8 @@ _B = mkCId "__gfB"
_V = mkCId "__gfV"
updateProductionIndices :: PGF -> PGF
updateProductionIndices pgf = pgf{ abstract = updateAbstract (abstract pgf)
, concretes = fmap updateConcrete (concretes pgf)
}
updateProductionIndices pgf = pgf{ concretes = fmap updateConcrete (concretes pgf) }
where
updateAbstract abs =
abs{catfuns = Map.mapWithKey (\cat _ -> [f | (f, (DTyp _ c _,_,_)) <- Map.toList (funs abs), c==cat]) (cats abs)}
updateConcrete cnc =
let prods0 = filterProductions (productions cnc)
p_prods = parseIndex cnc prods0

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@@ -28,8 +28,8 @@ ppAbs name a = text "abstract" <+> ppCId name <+> char '{' $$
ppFlag :: CId -> Literal -> Doc
ppFlag flag value = text "flag" <+> ppCId flag <+> char '=' <+> ppLit value ;
ppCat :: CId -> [Hypo] -> Doc
ppCat c hyps = text "cat" <+> ppCId c <+> hsep (snd (mapAccumL (ppHypo 4) [] hyps))
ppCat :: CId -> ([Hypo],[CId]) -> Doc
ppCat c (hyps,_) = text "cat" <+> ppCId c <+> hsep (snd (mapAccumL (ppHypo 4) [] hyps))
ppFun :: CId -> (Type,Int,Maybe [Equation]) -> Doc
ppFun f (t,_,Just eqs) = text "fun" <+> ppCId f <+> colon <+> ppType 0 [] t $$

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@@ -88,8 +88,8 @@ instance Functor TcM where
lookupCatHyps :: CId -> TcM [Hypo]
lookupCatHyps cat = TcM (\abstr metaid ms -> case Map.lookup cat (cats abstr) of
Just hyps -> Ok metaid ms hyps
Nothing -> Fail (UnknownCat cat))
Just (hyps,_) -> Ok metaid ms hyps
Nothing -> Fail (UnknownCat cat))
lookupFunType :: CId -> TcM TType
lookupFunType fun = TcM (\abstr metaid ms -> case Map.lookup fun (funs abstr) of