diff options
Diffstat (limited to 'src/runtime/haskell/PGF.hs')
| -rw-r--r-- | src/runtime/haskell/PGF.hs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/runtime/haskell/PGF.hs b/src/runtime/haskell/PGF.hs index 1d0d13f97..fdb834cad 100644 --- a/src/runtime/haskell/PGF.hs +++ b/src/runtime/haskell/PGF.hs @@ -32,7 +32,7 @@ module PGF( showType, readType, mkType, mkHypo, mkDepHypo, mkImplHypo, unType, - categories, startCat, + categories, categoryContext, startCat, -- * Functions functions, functionsByCat, functionType, missingLins, @@ -221,6 +221,8 @@ abstractName :: PGF -> Language -- with the \'cat\' keyword. categories :: PGF -> [CId] +categoryContext :: PGF -> CId -> Maybe [Hypo] + -- | The start category is defined in the grammar with -- the \'startcat\' flag. This is usually the sentence category -- but it is not necessary. Despite that there is a start category @@ -279,6 +281,11 @@ languageCode pgf lang = categories pgf = [c | (c,hs) <- Map.toList (cats (abstract pgf))] +categoryContext pgf cat = + case Map.lookup cat (cats (abstract pgf)) of + Just (hypos,_,_) -> Just hypos + Nothing -> Nothing + startCat pgf = DTyp [] (lookStartCat pgf) [] functions pgf = Map.keys (funs (abstract pgf)) |