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|
----------------------------------------------------------------------
-- |
-- Module : NoParse
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/11/14 16:03:41 $
-- > CVS $Author: aarne $
-- > CVS $Revision: 1.1 $
--
-- Probabilistic abstract syntax. AR 30\/10\/2005
--
-- (c) Aarne Ranta 2005 under GNU GPL
--
-- Contents: decide what lin rules no parser is generated.
-- Usually a list of noparse idents from 'i -boparse=file'.
-----------------------------------------------------------------------------
module GF.Compile.NoParse (
NoParse -- = Ident -> Bool
,getNoparseFromFile -- :: Opts -> IO NoParse
,doParseAll -- :: NoParse
) where
import GF.Infra.Ident
import GF.Data.Operations
import GF.Infra.Option
type NoParse = (Ident -> Bool)
doParseAll :: NoParse
doParseAll = const False
getNoparseFromFile :: Options -> FilePath -> IO NoParse
getNoparseFromFile opts file = do
let f = maybe file id $ getOptVal opts noparseFile
s <- readFile f
let tree = buildTree $ flip zip (repeat ()) $ concat $ map getIgnores $ lines s
tree `seq` return $ igns tree
where
igns tree i = isInBinTree i tree
-- where
getIgnores s = case dropWhile (/="--#") (words s) of
_:"noparse":fs -> map identC fs
_ -> []
|
