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authoraarne <aarne@cs.chalmers.se>2008-06-25 16:54:35 +0000
committeraarne <aarne@cs.chalmers.se>2008-06-25 16:54:35 +0000
commite9e80fc389365e24d4300d7d5390c7d833a96c50 (patch)
treef0b58473adaa670bd8fc52ada419d8cad470ee03 /src-3.0/GF/Grammar/Lockfield.hs
parentb96b36f43de3e2f8b58d5f539daa6f6d47f25870 (diff)
changed names of resource-1.3; added a note on homepage on release
Diffstat (limited to 'src-3.0/GF/Grammar/Lockfield.hs')
-rw-r--r--src-3.0/GF/Grammar/Lockfield.hs51
1 files changed, 0 insertions, 51 deletions
diff --git a/src-3.0/GF/Grammar/Lockfield.hs b/src-3.0/GF/Grammar/Lockfield.hs
deleted file mode 100644
index 12b78ab9b..000000000
--- a/src-3.0/GF/Grammar/Lockfield.hs
+++ /dev/null
@@ -1,51 +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 qualified Data.ByteString.Char8 as BS
-
-import GF.Infra.Ident
-import GF.Grammar.Grammar
-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 $! BS.append lockPrefix (ident2bs c)
-
-isLockLabel :: Label -> Bool
-isLockLabel l = case l of
- LIdent c -> BS.isPrefixOf lockPrefix c
- _ -> False
-
-
-lockPrefix = BS.pack "lock_"