diff options
| author | aarne <aarne@cs.chalmers.se> | 2008-05-21 09:26:44 +0000 |
|---|---|---|
| committer | aarne <aarne@cs.chalmers.se> | 2008-05-21 09:26:44 +0000 |
| commit | 055c0d0d5a5bb0dc75904fe53df7f2e4f5732a8f (patch) | |
| tree | 0e63fb68c69c8f6ad0f78893c63420f0a3600e1c /src-2.9/GF/Grammar/Lockfield.hs | |
| parent | 915a1de71783ab8446b1af9e72c7ba7dfbc12d3f (diff) | |
GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3
Diffstat (limited to 'src-2.9/GF/Grammar/Lockfield.hs')
| -rw-r--r-- | src-2.9/GF/Grammar/Lockfield.hs | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src-2.9/GF/Grammar/Lockfield.hs b/src-2.9/GF/Grammar/Lockfield.hs deleted file mode 100644 index 960b12983..000000000 --- a/src-2.9/GF/Grammar/Lockfield.hs +++ /dev/null @@ -1,46 +0,0 @@ ----------------------------------------------------------------------- --- | --- Module : Lockfield --- Maintainer : AR --- Stability : (stable) --- Portability : (portable) --- --- > CVS $Date: 2005/11/11 23:24:34 $ --- > CVS $Author: aarne $ --- > CVS $Revision: 1.7 $ --- --- Creating and using lock fields in reused resource grammars. --- --- AR 8\/2\/2005 detached from 'compile/MkResource' ------------------------------------------------------------------------------ - -module GF.Grammar.Lockfield (lockRecType, unlockRecord, lockLabel, isLockLabel) where - -import GF.Grammar.Grammar -import GF.Infra.Ident -import GF.Grammar.Macros -import GF.Grammar.PrGrammar - -import GF.Data.Operations - -lockRecType :: Ident -> Type -> Err Type -lockRecType c t@(RecType rs) = - let lab = lockLabel c in - return $ if elem lab (map fst rs) || elem (prt c) ["String","Int"] - then t --- don't add an extra copy of lock field, nor predef cats - else RecType (rs ++ [(lockLabel c, RecType [])]) -lockRecType c t = plusRecType t $ RecType [(lockLabel c, RecType [])] - -unlockRecord :: Ident -> Term -> Err Term -unlockRecord c ft = do - let (xs,t) = termFormCnc ft - t' <- plusRecord t $ R [(lockLabel c, (Just (RecType []),R []))] - return $ mkAbs xs t' - -lockLabel :: Ident -> Label -lockLabel c = LIdent $ "lock_" ++ prt c ---- - -isLockLabel :: Label -> Bool -isLockLabel l = case l of - LIdent c -> take 5 c == "lock_" - _ -> False |
