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|
----------------------------------------------------------------------
-- |
-- Module : Unparametrize
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/09/14 16:26:21 $
-- > CVS $Author: aarne $
-- > CVS $Revision: 1.1 $
--
-- Taking away parameters from a canonical grammar. All param
-- types are replaced by {}, and only one branch is left in
-- all tables. AR 14\/9\/2005.
-----------------------------------------------------------------------------
module GF.Canon.Unparametrize (unparametrizeCanon) where
import GF.Canon.AbsGFC
import GF.Infra.Ident
import GF.Canon.GFC
import qualified GF.Canon.CMacros as C
import GF.Data.Operations
import qualified GF.Infra.Modules as M
unparametrizeCanon :: CanonGrammar -> CanonGrammar
unparametrizeCanon (M.MGrammar modules) =
M.MGrammar $ map unparModule modules where
unparModule (i,m) = case m of
M.ModMod (M.Module mt@(M.MTConcrete _) st fs me ops js) ->
let me' = [(unparIdent j,incl) | (j,incl) <- me] in
(unparIdent i, M.ModMod (M.Module mt st fs me' ops (mapTree unparInfo js)))
_ -> (i,m)
unparInfo (c,info) = case info of
CncCat ty t m -> (c, CncCat (unparCType ty) (unparTerm t) m)
CncFun k xs t m -> (c, CncFun k xs (unparTerm t) m)
AnyInd b i -> (c, AnyInd b (unparIdent i))
_ -> (c,info)
unparCType ty = case ty of
RecType ls -> RecType [Lbg lab (unparCType t) | Lbg lab t <- ls]
Table _ v -> unparCType v --- Table unitType (unparCType v)
Cn _ -> unitType
_ -> ty
unparTerm t = case t of
Par _ _ -> unitTerm
T _ cs -> unparTerm (head [t | Cas _ t <- cs])
V _ ts -> unparTerm (head ts)
S t _ -> unparTerm t
{-
T _ cs -> V unitType [unparTerm (head [t | Cas _ t <- cs])]
V _ ts -> V unitType [unparTerm (head ts)]
S t _ -> S (unparTerm t) unitTerm
-}
_ -> C.composSafeOp unparTerm t
unitType = RecType []
unitTerm = R []
unparIdent (IC s) = IC $ "UP_" ++ s
|
