sort records so that s field is first (use Macros.sortRec)

This commit is contained in:
aarne
2008-05-24 07:44:16 +00:00
parent 1eb1d7e055
commit 77178cd2ab
3 changed files with 22 additions and 7 deletions

View File

@@ -370,7 +370,7 @@ computeLType gr t = do
_ -> return $ ExtR r' s'
RecType fs -> do
let fs' = sortBy (\x y -> compare (fst x) (fst y)) fs
let fs' = sortRec fs
liftM RecType $ mapPairsM comp fs'
_ | ty == typeTok -> return typeStr
@@ -395,7 +395,7 @@ labelIndex ty lab = case ty of
RecType ts -> maybe (error ("label index" +++ prt lab)) id $ lookup lab $ labs ts
_ -> error $ "label index" +++ prt ty
where
labs ts = zip (map fst (sortBy (\ x y -> compare (fst x) (fst y)) ts)) [0..]
labs ts = zip (map fst (sortRec ts)) [0..]
-- the underlying algorithms
@@ -667,9 +667,12 @@ getOverload env@gr mt t = case appForm t of
vfs' -> case [(v,f) | (v,f) <- vfs', noProd v] of
[(val,fun)] -> do
checkWarn $ "WARNING: overloading of" +++ prt f +++
"resolved by excluding partial applications:" ++++
unlines [prtType env ty | (ty,_) <- vfs', not (noProd ty)]
----- unsafely exclude irritating warning AR 24/5/2008
----- checkWarn $ "WARNING: overloading of" +++ prt f +++
----- "resolved by excluding partial applications:" ++++
----- unlines [prtType env ty | (ty,_) <- vfs', not (noProd ty)]
return (mkApp fun tts, val)
_ -> raise $ "ambiguous overloading of" +++ prt f +++

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@@ -399,7 +399,7 @@ term2term cgr env@(labels,untyps,typs) tr = case tr of
App _ _ -> mkValCase (unrec tr)
QC _ _ -> mkValCase tr
R rs -> R [(mkLab i, (Nothing, t2t t)) |
(i,(l,(_,t))) <- zip [0..] (sort (unlock rs))]
(i,(l,(_,t))) <- zip [0..] (GM.sortRec (unlock rs))]
P t l -> r2r tr
PI t l i -> EInt $ toInteger i
@@ -529,7 +529,7 @@ notlock (l, t) = case t of --- need not look at l
_ -> True
unlockTy ty = case ty of
RecType ls -> RecType $ sort [(l, unlockTy t) | (l,t) <- ls, notlock (l,t)]
RecType ls -> RecType $ GM.sortRec [(l, unlockTy t) | (l,t) <- ls, notlock (l,t)]
_ -> GM.composSafeOp unlockTy ty

View File

@@ -28,6 +28,7 @@ import GF.Grammar.PrGrammar
import Control.Monad (liftM, liftM2)
import Data.Char (isDigit)
import Data.List (sortBy)
firstTypeForm :: Type -> Err (Context, Type)
firstTypeForm t = case t of
@@ -719,3 +720,14 @@ isInOneType t = case t of
Prod _ a b -> a == b
_ -> False
-- normalize records and record types; put s first
sortRec :: [(Label,a)] -> [(Label,a)]
sortRec = sortBy ordLabel where
ordLabel (r1,_) (r2,_) = case (prt r1, prt r2) of
("s",_) -> LT
(_,"s") -> GT
(s1,s2) -> compare s1 s2