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authorkrasimir <krasimir@chalmers.se>2009-12-13 18:50:29 +0000
committerkrasimir <krasimir@chalmers.se>2009-12-13 18:50:29 +0000
commitf85232947e74ee7ef8c7b0ad2338212e7e68f1be (patch)
tree667b886a5e3a4b026a63d4e3597f32497d824761 /src/GF/Infra/CheckM.hs
parentd88a865faff59c98fc91556ff8700b10ee5f2df8 (diff)
reorganize the directories under src, and rescue the JavaScript interpreter from deprecated
Diffstat (limited to 'src/GF/Infra/CheckM.hs')
-rw-r--r--src/GF/Infra/CheckM.hs77
1 files changed, 0 insertions, 77 deletions
diff --git a/src/GF/Infra/CheckM.hs b/src/GF/Infra/CheckM.hs
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@@ -1,77 +0,0 @@
-----------------------------------------------------------------------
--- |
--- Module : CheckM
--- Maintainer : (Maintainer)
--- Stability : (stable)
--- Portability : (portable)
---
--- > CVS $Date: 2005/04/21 16:22:33 $
--- > CVS $Author: bringert $
--- > CVS $Revision: 1.5 $
---
--- (Description of the module)
------------------------------------------------------------------------------
-
-module GF.Infra.CheckM
- (Check, Message, runCheck,
- checkError, checkCond, checkWarn,
- checkErr, checkIn, checkMap
- ) where
-
-import GF.Data.Operations
-import GF.Infra.Ident
-import GF.Grammar.Grammar
-import GF.Grammar.Printer
-
-import qualified Data.Map as Map
-import Text.PrettyPrint
-
-type Message = Doc
-data CheckResult a
- = Fail [Message]
- | Success a [Message]
-newtype Check a = Check {unCheck :: Context -> [Message] -> CheckResult a}
-
-instance Monad Check where
- return x = Check (\ctxt msgs -> Success x msgs)
- f >>= g = Check (\ctxt msgs -> case unCheck f ctxt msgs of
- Success x msgs -> unCheck (g x) ctxt msgs
- Fail msgs -> Fail msgs)
-
-instance ErrorMonad Check where
- raise s = checkError (text s)
- handle f h = Check (\ctxt msgs -> case unCheck f ctxt msgs of
- Success x msgs -> Success x msgs
- Fail (msg:msgs) -> unCheck (h (render msg)) ctxt msgs)
-
-checkError :: Message -> Check a
-checkError msg = Check (\ctxt msgs -> Fail (msg : msgs))
-
-checkCond :: Message -> Bool -> Check ()
-checkCond s b = if b then return () else checkError s
-
--- | warnings should be reversed in the end
-checkWarn :: Message -> Check ()
-checkWarn msg = Check (\ctxt msgs -> Success () ((text "Warning:" <+> msg) : msgs))
-
-runCheck :: Check a -> Err (a,String)
-runCheck c =
- case unCheck c [] [] of
- Fail msgs -> Bad ( render (vcat (reverse msgs)))
- Success v msgs -> Ok (v, render (vcat (reverse msgs)))
-
-checkMap :: (Ord a) => (a -> b -> Check b) -> Map.Map a b -> Check (Map.Map a b)
-checkMap f map = do xs <- mapM (\(k,v) -> do v <- f k v
- return (k,v)) (Map.toList map)
- return (Map.fromAscList xs)
-
-checkErr :: Err a -> Check a
-checkErr (Ok x) = return x
-checkErr (Bad err) = checkError (text err)
-
-checkIn :: Doc -> Check a -> Check a
-checkIn msg c = Check $ \ctxt msgs ->
- case unCheck c ctxt [] of
- Fail msgs' -> Fail ((msg $$ nest 3 (vcat (reverse msgs'))) : msgs)
- Success v msgs' | null msgs' -> Success v msgs
- | otherwise -> Success v ((msg $$ nest 3 (vcat (reverse msgs'))) : msgs)