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authoraarne <aarne@cs.chalmers.se>2008-01-07 15:59:17 +0000
committeraarne <aarne@cs.chalmers.se>2008-01-07 15:59:17 +0000
commitc38f3da80b0ea5ccfca25444bb82b75be4a4eeb5 (patch)
treedeb894b60bb6c09a54bd7ee8e7d6ae6ef42b23bc /src/GF
parente1dda4b5d82d99bffd4045865700597f07e74299 (diff)
finnish Swadesh verbs
Diffstat (limited to 'src/GF')
-rw-r--r--src/GF/Devel/Compute.hs60
-rw-r--r--src/GF/Grammar/Compute.hs22
2 files changed, 57 insertions, 25 deletions
diff --git a/src/GF/Devel/Compute.hs b/src/GF/Devel/Compute.hs
index 61efbd5c2..f92da26c9 100644
--- a/src/GF/Devel/Compute.hs
+++ b/src/GF/Devel/Compute.hs
@@ -76,25 +76,29 @@ computeTermOpt rec gr = comp where
return $ Prod x a' b'
-- beta-convert
- App f a -> do
- f' <- comp g f
- a' <- comp g a
- case (f',a') of
- (Abs x b, FV as) ->
- mapM (\c -> comp (ext x c g) b) as >>= return . variants
- (_, FV as) -> mapM (\c -> comp g (App f' c)) as >>= return . variants
- (FV fs, _) -> mapM (\c -> comp g (App c a')) fs >>= return . variants
- (Abs x b,_) -> comp (ext x a' g) b
- (QC _ _,_) -> returnC $ App f' a'
- (Alias _ _ d, _) -> comp g (App d a')
-
- (S (T i cs) e,_) -> prawitz g i (flip App a') cs e
- (S (V i cs) e,_) -> prawitzV g i (flip App a') cs e
-
- _ -> do
- (t',b) <- appPredefined (App f' a')
- if b then return t' else comp g t'
+ App f a -> case appForm t of
+ (h,as) | length as > 1 -> do
+ h' <- comp g h
+ as' <- mapM (comp g) as
+ case h' of
+ _ | not (null [() | FV _ <- as']) -> compApp g (mkApp h' as')
+ c@(QC _ _) -> do
+ return $ mkApp c as'
+ Q (IC "Predef") f -> do
+ (t',b) <- appPredefined (mkApp h' as')
+ if b then return t' else comp g t'
+
+ Abs _ _ -> do
+ let (xs,b) = termFormCnc h'
+ let g' = (zip xs as') ++ g
+ let as2 = drop (length xs) as'
+ let xs2 = drop (length as') xs
+ b' <- comp g' (mkAbs xs2 b)
+ if null as2 then return b' else comp g (mkApp b' as2)
+
+ _ -> compApp g (mkApp h' as')
+ _ -> compApp g t
P t l | isLockLabel l -> return $ R []
---- a workaround 18/2/2005: take this away and find the reason
@@ -319,6 +323,26 @@ computeTermOpt rec gr = comp where
where
+ compApp g (App f a) = do
+ f' <- comp g f
+ a' <- comp g a
+ case (f',a') of
+ (Abs x b, FV as) ->
+ mapM (\c -> comp (ext x c g) b) as >>= return . variants
+ (_, FV as) -> mapM (\c -> comp g (App f' c)) as >>= return . variants
+ (FV fs, _) -> mapM (\c -> comp g (App c a')) fs >>= return . variants
+ (Abs x b,_) -> comp (ext x a' g) b
+ (QC _ _,_) -> returnC $ App f' a'
+
+ (Alias _ _ d, _) -> comp g (App d a')
+
+ (S (T i cs) e,_) -> prawitz g i (flip App a') cs e
+ (S (V i cs) e,_) -> prawitzV g i (flip App a') cs e
+
+ _ -> do
+ (t',b) <- appPredefined (App f' a')
+ if b then return t' else comp g t'
+
look p c
| rec = lookupResDef gr p c >>= comp []
| otherwise = lookupResDef gr p c
diff --git a/src/GF/Grammar/Compute.hs b/src/GF/Grammar/Compute.hs
index f2377f12e..c76058cc2 100644
--- a/src/GF/Grammar/Compute.hs
+++ b/src/GF/Grammar/Compute.hs
@@ -45,9 +45,9 @@ computeTerm = computeTermOpt False
-- have already been computed (mainly with -optimize=noexpand in .gfr)
computeTermOpt :: Bool -> SourceGrammar -> Substitution -> Term -> Err Term
-computeTermOpt rec gr = comp where
+computeTermOpt rec gr = comput True where
- comp g t = ---- errIn ("subterm" +++ prt t) $ --- for debugging
+ comput full g t = ---- errIn ("subterm" +++ prt t) $ --- for debugging
case t of
Q (IC "Predef") _ -> return t
@@ -62,9 +62,14 @@ computeTermOpt rec gr = comp where
_ | t == t' -> return t
_ -> comp g t'
- Abs x b -> do
- b' <- comp (ext x (Vr x) g) b
- return $ Abs x b'
+ -- Abs x@(IA _) b -> do
+ Abs x b | full -> do
+ let (xs,b1) = termFormCnc t
+ b' <- comp ([(x,Vr x) | x <- xs] ++ g) b1
+ return $ mkAbs xs b'
+ -- b' <- comp (ext x (Vr x) g) b
+ -- return $ Abs x b'
+ Abs _ _ -> return t -- hnf
Let (x,(_,a)) b -> do
a' <- comp g a
@@ -78,7 +83,7 @@ computeTermOpt rec gr = comp where
-- beta-convert
App f a -> case appForm t of
(h,as) | length as > 1 -> do
- h' <- comp g h
+ h' <- hnf g h
as' <- mapM (comp g) as
case h' of
_ | not (null [() | FV _ <- as']) -> compApp g (mkApp h' as')
@@ -322,7 +327,7 @@ computeTermOpt rec gr = comp where
where
compApp g (App f a) = do
- f' <- comp g f
+ f' <- hnf g f
a' <- comp g a
case (f',a') of
(Abs x b, FV as) ->
@@ -342,6 +347,9 @@ computeTermOpt rec gr = comp where
(t',b) <- appPredefined (App f' a')
if b then return t' else comp g t'
+ hnf = comput False
+ comp = comput True
+
look p c
| rec = lookupResDef gr p c >>= comp []
| otherwise = lookupResDef gr p c