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-rw-r--r--src/compiler/GF/Command/SourceCommands.hs4
-rw-r--r--src/compiler/GF/Compile/CheckGrammar.hs46
-rw-r--r--src/compiler/GF/Compile/Compute/Concrete.hs591
-rw-r--r--src/compiler/GF/Compile/Compute/ConcreteNew.hs588
-rw-r--r--src/compiler/GF/Compile/Compute/Value.hs8
-rw-r--r--src/compiler/GF/Compile/GeneratePMCFG.hs12
-rw-r--r--src/compiler/GF/Compile/GrammarToCanonical.hs6
-rw-r--r--src/compiler/GF/Compile/Optimize.hs16
-rw-r--r--src/compiler/GF/Compile/TypeCheck/ConcreteNew.hs38
9 files changed, 653 insertions, 656 deletions
diff --git a/src/compiler/GF/Command/SourceCommands.hs b/src/compiler/GF/Command/SourceCommands.hs
index 0ba60d245..daf3f7f1e 100644
--- a/src/compiler/GF/Command/SourceCommands.hs
+++ b/src/compiler/GF/Command/SourceCommands.hs
@@ -18,7 +18,7 @@ import GF.Grammar.Parser (runP, pExp)
import GF.Grammar.ShowTerm
import GF.Grammar.Lookup (allOpers,allOpersTo)
import GF.Compile.Rename(renameSourceTerm)
-import qualified GF.Compile.Compute.ConcreteNew as CN(normalForm,resourceValues)
+import GF.Compile.Compute.Concrete(normalForm,resourceValues)
import GF.Compile.TypeCheck.RConcrete as TC(inferLType,ppType)
import GF.Infra.Dependencies(depGraph)
import GF.Infra.CheckM(runCheck)
@@ -259,7 +259,7 @@ checkComputeTerm os sgr t =
((t,_),_) <- runCheck $ do t <- renameSourceTerm sgr mo t
inferLType sgr [] t
let opts = modifyFlags (\fs->fs{optTrace=isOpt "trace" os})
- t1 = CN.normalForm (CN.resourceValues opts sgr) (L NoLoc identW) t
+ t1 = normalForm (resourceValues opts sgr) (L NoLoc identW) t
t2 = evalStr t1
checkPredefError t2
where
diff --git a/src/compiler/GF/Compile/CheckGrammar.hs b/src/compiler/GF/Compile/CheckGrammar.hs
index 24582bba2..e7839da34 100644
--- a/src/compiler/GF/Compile/CheckGrammar.hs
+++ b/src/compiler/GF/Compile/CheckGrammar.hs
@@ -5,7 +5,7 @@
-- Stability : (stable)
-- Portability : (portable)
--
--- > CVS $Date: 2005/11/11 23:24:33 $
+-- > CVS $Date: 2005/11/11 23:24:33 $
-- > CVS $Author: aarne $
-- > CVS $Revision: 1.31 $
--
@@ -29,7 +29,7 @@ import GF.Infra.Option
import GF.Compile.TypeCheck.Abstract
import GF.Compile.TypeCheck.RConcrete
import qualified GF.Compile.TypeCheck.ConcreteNew as CN
-import qualified GF.Compile.Compute.ConcreteNew as CN
+import qualified GF.Compile.Compute.Concrete as CN
import GF.Grammar
import GF.Grammar.Lexer
@@ -74,9 +74,9 @@ checkRestrictedInheritance cwd sgr (name,mo) = checkInModule cwd mo NoLoc empty
let (incl,excl) = partition (isInherited mi) (Map.keys (jments m))
let incld c = Set.member c (Set.fromList incl)
let illegal c = Set.member c (Set.fromList excl)
- let illegals = [(f,is) |
+ let illegals = [(f,is) |
(f,cs) <- allDeps, incld f, let is = filter illegal cs, not (null is)]
- case illegals of
+ case illegals of
[] -> return ()
cs -> checkWarn ("In inherited module" <+> i <> ", dependence of excluded constants:" $$
nest 2 (vcat [f <+> "on" <+> fsep is | (f,is) <- cs]))
@@ -92,12 +92,12 @@ checkCompleteGrammar opts cwd gr (am,abs) (cm,cnc) = checkInModule cwd cnc NoLoc
-- check that all abstract constants are in concrete; build default lin and lincats
jsc <- foldM checkAbs jsc (Map.toList jsa)
-
+
return (cm,cnc{jments=jsc})
where
checkAbs js i@(c,info) =
case info of
- AbsFun (Just (L loc ty)) _ _ _
+ AbsFun (Just (L loc ty)) _ _ _
-> do let mb_def = do
let (cxt,(_,i),_) = typeForm ty
info <- lookupIdent i js
@@ -136,11 +136,11 @@ checkCompleteGrammar opts cwd gr (am,abs) (cm,cnc) = checkInModule cwd cnc NoLoc
checkWarn ("no linearization type for" <+> c <> ", inserting default {s : Str}")
return $ Map.insert c (CncCat (Just (L NoLoc defLinType)) Nothing Nothing Nothing Nothing) js
_ -> return js
-
+
checkCnc js (c,info) =
case info of
CncFun _ d mn mf -> case lookupOrigInfo gr (am,c) of
- Ok (_,AbsFun (Just (L _ ty)) _ _ _) ->
+ Ok (_,AbsFun (Just (L _ ty)) _ _ _) ->
do (cont,val) <- linTypeOfType gr cm ty
let linty = (snd (valCat ty),cont,val)
return $ Map.insert c (CncFun (Just linty) d mn mf) js
@@ -159,14 +159,14 @@ checkCompleteGrammar opts cwd gr (am,abs) (cm,cnc) = checkInModule cwd cnc NoLoc
_ -> return $ Map.insert c info js
--- | General Principle: only Just-values are checked.
+-- | General Principle: only Just-values are checked.
-- A May-value has always been checked in its origin module.
checkInfo :: Options -> FilePath -> SourceGrammar -> SourceModule -> Ident -> Info -> Check Info
checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
checkReservedId c
case info of
- AbsCat (Just (L loc cont)) ->
- mkCheck loc "the category" $
+ AbsCat (Just (L loc cont)) ->
+ mkCheck loc "the category" $
checkContext gr cont
AbsFun (Just (L loc typ0)) ma md moper -> do
@@ -181,7 +181,7 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
CncCat mty mdef mref mpr mpmcfg -> do
mty <- case mty of
- Just (L loc typ) -> chIn loc "linearization type of" $
+ Just (L loc typ) -> chIn loc "linearization type of" $
(if False --flag optNewComp opts
then do (typ,_) <- CN.checkLType (CN.resourceValues opts gr) typ typeType
typ <- computeLType gr [] typ
@@ -191,19 +191,19 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
return (Just (L loc typ)))
Nothing -> return Nothing
mdef <- case (mty,mdef) of
- (Just (L _ typ),Just (L loc def)) ->
+ (Just (L _ typ),Just (L loc def)) ->
chIn loc "default linearization of" $ do
(def,_) <- checkLType gr [] def (mkFunType [typeStr] typ)
return (Just (L loc def))
_ -> return Nothing
mref <- case (mty,mref) of
- (Just (L _ typ),Just (L loc ref)) ->
+ (Just (L _ typ),Just (L loc ref)) ->
chIn loc "reference linearization of" $ do
(ref,_) <- checkLType gr [] ref (mkFunType [typ] typeStr)
return (Just (L loc ref))
_ -> return Nothing
mpr <- case mpr of
- (Just (L loc t)) ->
+ (Just (L loc t)) ->
chIn loc "print name of" $ do
(t,_) <- checkLType gr [] t typeStr
return (Just (L loc t))
@@ -212,13 +212,13 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
CncFun mty mt mpr mpmcfg -> do
mt <- case (mty,mt) of
- (Just (cat,cont,val),Just (L loc trm)) ->
+ (Just (cat,cont,val),Just (L loc trm)) ->
chIn loc "linearization of" $ do
(trm,_) <- checkLType gr [] trm (mkFunType (map (\(_,_,ty) -> ty) cont) val) -- erases arg vars
return (Just (L loc trm))
_ -> return mt
mpr <- case mpr of
- (Just (L loc t)) ->
+ (Just (L loc t)) ->
chIn loc "print name of" $ do
(t,_) <- checkLType gr [] t typeStr
return (Just (L loc t))
@@ -251,16 +251,16 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
ResOverload os tysts -> chIn NoLoc "overloading" $ do
tysts' <- mapM (uncurry $ flip (\(L loc1 t) (L loc2 ty) -> checkLType gr [] t ty >>= \(t,ty) -> return (L loc1 t, L loc2 ty))) tysts -- return explicit ones
tysts0 <- lookupOverload gr (m,c) -- check against inherited ones too
- tysts1 <- mapM (uncurry $ flip (checkLType gr []))
+ tysts1 <- mapM (uncurry $ flip (checkLType gr []))
[(mkFunType args val,tr) | (args,(val,tr)) <- tysts0]
--- this can only be a partial guarantee, since matching
--- with value type is only possible if expected type is given
- checkUniq $
+ checkUniq $
sort [let (xs,t) = typeFormCnc x in t : map (\(b,x,t) -> t) xs | (_,x) <- tysts1]
return (ResOverload os [(y,x) | (x,y) <- tysts'])
ResParam (Just (L loc pcs)) _ -> do
- ts <- chIn loc "parameter type" $
+ ts <- chIn loc "parameter type" $
liftM concat $ mapM mkPar pcs
return (ResParam (Just (L loc pcs)) (Just ts))
@@ -274,9 +274,9 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
return $ map (mkApp (QC (m,f))) vs
checkUniq xss = case xss of
- x:y:xs
+ x:y:xs
| x == y -> checkError $ "ambiguous for type" <+>
- ppType (mkFunType (tail x) (head x))
+ ppType (mkFunType (tail x) (head x))
| otherwise -> checkUniq $ y:xs
_ -> return ()
@@ -294,7 +294,7 @@ checkInfo opts cwd sgr (m,mo) c info = checkInModule cwd mo NoLoc empty $ do
t' <- compAbsTyp ((x,Vr x):g) t
return $ Prod b x a' t'
Abs _ _ _ -> return t
- _ -> composOp (compAbsTyp g) t
+ _ -> composOp (compAbsTyp g) t
-- | for grammars obtained otherwise than by parsing ---- update!!
diff --git a/src/compiler/GF/Compile/Compute/Concrete.hs b/src/compiler/GF/Compile/Compute/Concrete.hs
index f411f2ca0..4b54c8c84 100644
--- a/src/compiler/GF/Compile/Compute/Concrete.hs
+++ b/src/compiler/GF/Compile/Compute/Concrete.hs
@@ -1,3 +1,588 @@
-module GF.Compile.Compute.Concrete{-(module M)-} where
---import GF.Compile.Compute.ConcreteLazy as M -- New
---import GF.Compile.Compute.ConcreteStrict as M -- Old, inefficient
+-- | Functions for computing the values of terms in the concrete syntax, in
+-- | preparation for PMCFG generation.
+module GF.Compile.Compute.Concrete
+ (GlobalEnv, GLocation, resourceValues, geLoc, geGrammar,
+ normalForm,
+ Value(..), Bind(..), Env, value2term, eval, vapply
+ ) where
+import Prelude hiding ((<>)) -- GHC 8.4.1 clash with Text.PrettyPrint
+
+import GF.Grammar hiding (Env, VGen, VApp, VRecType)
+import GF.Grammar.Lookup(lookupResDefLoc,allParamValues)
+import GF.Grammar.Predef(cPredef,cErrorType,cTok,cStr,cTrace,cPBool)
+import GF.Grammar.PatternMatch(matchPattern,measurePatt)
+import GF.Grammar.Lockfield(isLockLabel,lockRecType) --unlockRecord,lockLabel
+import GF.Compile.Compute.Value hiding (Error)
+import GF.Compile.Compute.Predef(predef,predefName,delta)
+import GF.Data.Str(Str,glueStr,str2strings,str,sstr,plusStr,strTok)
+import GF.Data.Operations(Err,err,errIn,maybeErr,mapPairsM)
+import GF.Data.Utilities(mapFst,mapSnd)
+import GF.Infra.Option
+import Control.Monad(ap,liftM,liftM2) -- ,unless,mplus
+import Data.List (findIndex,intersect,nub,elemIndex,(\\)) --,isInfixOf
+--import Data.Char (isUpper,toUpper,toLower)
+import GF.Text.Pretty
+import qualified Data.Map as Map
+import Debug.Trace(trace)
+
+-- * Main entry points
+
+normalForm :: GlobalEnv -> L Ident -> Term -> Term
+normalForm (GE gr rv opts _) loc = err (bugloc loc) id . nfx (GE gr rv opts loc)
+
+nfx env@(GE _ _ _ loc) t = do
+ v <- eval env [] t
+ case value2term loc [] v of
+ Left i -> fail ("variable #"++show i++" is out of scope")
+ Right t -> return t
+
+eval :: GlobalEnv -> Env -> Term -> Err Value
+eval (GE gr rvs opts loc) env t = ($ (map snd env)) # value cenv t
+ where
+ cenv = CE gr rvs opts loc (map fst env)
+
+--apply env = apply' env
+
+--------------------------------------------------------------------------------
+
+-- * Environments
+
+type ResourceValues = Map.Map ModuleName (Map.Map Ident (Err Value))
+
+data GlobalEnv = GE Grammar ResourceValues Options GLocation
+data CompleteEnv = CE {srcgr::Grammar,rvs::ResourceValues,
+ opts::Options,
+ gloc::GLocation,local::LocalScope}
+type GLocation = L Ident
+type LocalScope = [Ident]
+type Stack = [Value]
+type OpenValue = Stack->Value
+
+geLoc (GE _ _ _ loc) = loc
+geGrammar (GE gr _ _ _) = gr
+
+ext b env = env{local=b:local env}
+extend bs env = env{local=bs++local env}
+global env = GE (srcgr env) (rvs env) (opts env) (gloc env)
+
+var :: CompleteEnv -> Ident -> Err OpenValue
+var env x = maybe unbound pick' (elemIndex x (local env))
+ where
+ unbound = fail ("Unknown variable: "++showIdent x)
+ pick' i = return $ \ vs -> maybe (err i vs) ok (pick i vs)
+ err i vs = bug $ "Stack problem: "++showIdent x++": "
+ ++unwords (map showIdent (local env))
+ ++" => "++show (i,length vs)
+ ok v = --trace ("var "++show x++" = "++show v) $
+ v
+
+pick :: Int -> Stack -> Maybe Value
+pick 0 (v:_) = Just v
+pick i (_:vs) = pick (i-1) vs
+pick i vs = Nothing -- bug $ "pick "++show (i,vs)
+
+resource env (m,c) =
+-- err bug id $
+ if isPredefCat c
+ then value0 env =<< lockRecType c defLinType -- hmm
+ else maybe e id $ Map.lookup c =<< Map.lookup m (rvs env)
+ where e = fail $ "Not found: "++render m++"."++showIdent c
+
+-- | Convert operators once, not every time they are looked up
+resourceValues :: Options -> SourceGrammar -> GlobalEnv
+resourceValues opts gr = env
+ where
+ env = GE gr rvs opts (L NoLoc identW)
+ rvs = Map.mapWithKey moduleResources (moduleMap gr)
+ moduleResources m = Map.mapWithKey (moduleResource m) . jments
+ moduleResource m c _info = do L l t <- lookupResDefLoc gr (m,c)
+ let loc = L l c
+ qloc = L l (Q (m,c))
+ eval (GE gr rvs opts loc) [] (traceRes qloc t)
+
+ traceRes = if flag optTrace opts
+ then traceResource
+ else const id
+
+-- * Tracing
+
+-- | Insert a call to the trace function under the top-level lambdas
+traceResource (L l q) t =
+ case termFormCnc t of
+ (abs,body) -> mkAbs abs (mkApp traceQ [args,body])
+ where
+ args = R $ tuple2record (K lstr:[Vr x|(bt,x)<-abs,bt==Explicit])
+ lstr = render (l<>":"<>ppTerm Qualified 0 q)
+ traceQ = Q (cPredef,cTrace)
+
+-- * Computing values
+
+-- | Computing the value of a top-level term
+value0 :: CompleteEnv -> Term -> Err Value
+value0 env = eval (global env) []
+
+-- | Computing the value of a term
+value :: CompleteEnv -> Term -> Err OpenValue
+value env t0 =
+ -- Each terms is traversed only once by this function, using only statically
+ -- available information. Notably, the values of lambda bound variables
+ -- will be unknown during the term traversal phase.
+ -- The result is an OpenValue, which is a function that may be applied many
+ -- times to different dynamic values, but without the term traversal overhead
+ -- and without recomputing other statically known information.
+ -- For this to work, there should be no recursive calls under lambdas here.
+ -- Whenever we need to construct the OpenValue function with an explicit
+ -- lambda, we have to lift the recursive calls outside the lambda.
+ -- (See e.g. the rules for Let, Prod and Abs)
+{-
+ trace (render $ text "value"<+>sep [ppL (gloc env)<>text ":",
+ brackets (fsep (map ppIdent (local env))),
+ ppTerm Unqualified 10 t0]) $
+--}
+ errIn (render t0) $
+ case t0 of
+ Vr x -> var env x
+ Q x@(m,f)
+ | m == cPredef -> if f==cErrorType -- to be removed
+ then let p = identS "P"
+ in const # value0 env (mkProd [(Implicit,p,typeType)] (Vr p) [])
+ else if f==cPBool
+ then const # resource env x
+ else const . flip VApp [] # predef f
+ | otherwise -> const # resource env x --valueResDef (fst env) x
+ QC x -> return $ const (VCApp x [])
+ App e1 e2 -> apply' env e1 . (:[]) =<< value env e2
+ Let (x,(oty,t)) body -> do vb <- value (ext x env) body
+ vt <- value env t
+ return $ \ vs -> vb (vt vs:vs)
+ Meta i -> return $ \ vs -> VMeta i (zip (local env) vs) []
+ Prod bt x t1 t2 ->
+ do vt1 <- value env t1
+ vt2 <- value (ext x env) t2
+ return $ \ vs -> VProd bt (vt1 vs) x $ Bind $ \ vx -> vt2 (vx:vs)
+ Abs bt x t -> do vt <- value (ext x env) t
+ return $ VAbs bt x . Bind . \ vs vx -> vt (vx:vs)
+ EInt n -> return $ const (VInt n)
+ EFloat f -> return $ const (VFloat f)
+ K s -> return $ const (VString s)
+ Empty -> return $ const (VString "")
+ Sort s | s == cTok -> return $ const (VSort cStr) -- to be removed
+ | otherwise -> return $ const (VSort s)
+ ImplArg t -> (VImplArg.) # value env t
+ Table p res -> liftM2 VTblType # value env p <# value env res
+ RecType rs -> do lovs <- mapPairsM (value env) rs
+ return $ \vs->VRecType $ mapSnd ($vs) lovs
+ t@(ExtR t1 t2) -> ((extR t.)# both id) # both (value env) (t1,t2)
+ FV ts -> ((vfv .) # sequence) # mapM (value env) ts
+ R as -> do lovs <- mapPairsM (value env.snd) as
+ return $ \ vs->VRec $ mapSnd ($vs) lovs
+ T i cs -> valueTable env i cs
+ V ty ts -> do pvs <- paramValues env ty
+ ((VV ty pvs .) . sequence) # mapM (value env) ts
+ C t1 t2 -> ((ok2p vconcat.) # both id) # both (value env) (t1,t2)
+ S t1 t2 -> ((select env.) # both id) # both (value env) (t1,t2)
+ P t l -> --maybe (bug $ "project "++show l++" from "++show v) id $
+ do ov <- value env t
+ return $ \ vs -> let v = ov vs
+ in maybe (VP v l) id (proj l v)
+ Alts t tts -> (\v vts -> VAlts # v <# mapM (both id) vts) # value env t <# mapM (both (value env)) tts
+ Strs ts -> ((VStrs.) # sequence) # mapM (value env) ts
+ Glue t1 t2 -> ((ok2p (glue env).) # both id) # both (value env) (t1,t2)
+ ELin c r -> (unlockVRec (gloc env) c.) # value env r
+ EPatt p -> return $ const (VPatt p) -- hmm
+ EPattType ty -> do vt <- value env ty
+ return (VPattType . vt)
+ Typed t ty -> value env t
+ t -> fail.render $ "value"<+>ppTerm Unqualified 10 t $$ show t
+
+vconcat vv@(v1,v2) =
+ case vv of
+ (VString "",_) -> v2
+ (_,VString "") -> v1
+ (VApp NonExist _,_) -> v1
+ (_,VApp NonExist _) -> v2
+ _ -> VC v1 v2
+
+proj l v | isLockLabel l = return (VRec [])
+ ---- a workaround 18/2/2005: take this away and find the reason
+ ---- why earlier compilation destroys the lock field
+proj l v =
+ case v of
+ VFV vs -> liftM vfv (mapM (proj l) vs)
+ VRec rs -> lookup l rs
+-- VExtR v1 v2 -> proj l v2 `mplus` proj l v1 -- hmm
+ VS (VV pty pvs rs) v2 -> flip VS v2 . VV pty pvs # mapM (proj l) rs
+ _ -> return (ok1 VP v l)
+
+ok1 f v1@(VError {}) _ = v1
+ok1 f v1 v2 = f v1 v2
+
+ok2 f v1@(VError {}) _ = v1
+ok2 f _ v2@(VError {}) = v2
+ok2 f v1 v2 = f v1 v2
+
+ok2p f (v1@VError {},_) = v1
+ok2p f (_,v2@VError {}) = v2
+ok2p f vv = f vv
+
+unlockVRec loc c0 v0 = v0
+{-
+unlockVRec loc c0 v0 = unlockVRec' c0 v0
+ where
+ unlockVRec' ::Ident -> Value -> Value
+ unlockVRec' c v =
+ case v of
+ -- VClosure env t -> err bug (VClosure env) (unlockRecord c t)
+ VAbs bt x (Bind f) -> VAbs bt x (Bind $ \ v -> unlockVRec' c (f v))
+ VRec rs -> plusVRec rs lock
+ -- _ -> VExtR v (VRec lock) -- hmm
+ _ -> {-trace (render $ ppL loc $ "unlock non-record "++show v0)-} v -- hmm
+ -- _ -> bugloc loc $ "unlock non-record "++show v0
+ where
+ lock = [(lockLabel c,VRec [])]
+-}
+
+-- suspicious, but backwards compatible
+plusVRec rs1 rs2 = VRec ([(l,v)|(l,v)<-rs1,l `notElem` ls2] ++ rs2)
+ where ls2 = map fst rs2
+
+extR t vv =
+ case vv of
+ (VFV vs,v2) -> vfv [extR t (v1,v2)|v1<-vs]
+ (v1,VFV vs) -> vfv [extR t (v1,v2)|v2<-vs]
+ (VRecType rs1, VRecType rs2) ->
+ case intersect (map fst rs1) (map fst rs2) of
+ [] -> VRecType (rs1 ++ rs2)
+ ls -> error $ "clash"<+>show ls
+ (VRec rs1, VRec rs2) -> plusVRec rs1 rs2
+ (v1 , VRec [(l,_)]) | isLockLabel l -> v1 -- hmm
+ (VS (VV t pvs vs) s,v2) -> VS (VV t pvs [extR t (v1,v2)|v1<-vs]) s
+-- (v1,v2) -> ok2 VExtR v1 v2 -- hmm
+ (v1,v2) -> error $ "not records" $$ show v1 $$ show v2
+ where
+ error explain = ppbug $ "The term" <+> t
+ <+> "is not reducible" $$ explain
+
+glue env (v1,v2) = glu v1 v2
+ where
+ glu v1 v2 =
+ case (v1,v2) of
+ (VFV vs,v2) -> vfv [glu v1 v2|v1<-vs]
+ (v1,VFV vs) -> vfv [glu v1 v2|v2<-vs]
+ (VString s1,VString s2) -> VString (s1++s2)
+ (v1,VAlts d vs) -> VAlts (glx d) [(glx v,c) | (v,c) <- vs]
+ where glx v2 = glu v1 v2
+ (v1@(VAlts {}),v2) ->
+ --err (const (ok2 VGlue v1 v2)) id $
+ err bug id $
+ do y' <- strsFromValue v2
+ x' <- strsFromValue v1
+ return $ vfv [foldr1 VC (map VString (str2strings (glueStr v u))) | v <- x', u <- y']
+ (VC va vb,v2) -> VC va (glu vb v2)
+ (v1,VC va vb) -> VC (glu v1 va) vb
+ (VS (VV ty pvs vs) vb,v2) -> VS (VV ty pvs [glu v v2|v<-vs]) vb
+ (v1,VS (VV ty pvs vs) vb) -> VS (VV ty pvs [glu v1 v|v<-vs]) vb
+ (v1@(VApp NonExist _),_) -> v1
+ (_,v2@(VApp NonExist _)) -> v2
+-- (v1,v2) -> ok2 VGlue v1 v2
+ (v1,v2) -> if flag optPlusAsBind (opts env)
+ then VC v1 (VC (VApp BIND []) v2)
+ else let loc = gloc env
+ vt v = case value2term loc (local env) v of
+ Left i -> Error ('#':show i)
+ Right t -> t
+ originalMsg = render $ ppL loc (hang "unsupported token gluing" 4
+ (Glue (vt v1) (vt v2)))
+ term = render $ pp $ Glue (vt v1) (vt v2)
+ in error $ unlines
+ [originalMsg
+ ,""
+ ,"There was a problem in the expression `"++term++"`, either:"
+ ,"1) You are trying to use + on runtime arguments, possibly via an oper."
+ ,"2) One of the arguments in `"++term++"` is a bound variable from pattern matching a string, but the cases are non-exhaustive."
+ ,"For more help see https://github.com/GrammaticalFramework/gf-core/tree/master/doc/errors/gluing.md"
+ ]
+
+
+-- | to get a string from a value that represents a sequence of terminals
+strsFromValue :: Value -> Err [Str]
+strsFromValue t = case t of
+ VString s -> return [str s]
+ VC s t -> do
+ s' <- strsFromValue s
+ t' <- strsFromValue t
+ return [plusStr x y | x <- s', y <- t']
+{-
+ VGlue s t -> do
+ s' <- strsFromValue s
+ t' <- strsFromValue t
+ return [glueStr x y | x <- s', y <- t']
+-}
+ VAlts d vs -> do
+ d0 <- strsFromValue d
+ v0 <- mapM (strsFromValue . fst) vs
+ c0 <- mapM (strsFromValue . snd) vs
+ --let vs' = zip v0 c0
+ return [strTok (str2strings def) vars |
+ def <- d0,
+ vars <- [[(str2strings v, map sstr c) | (v,c) <- zip vv c0] |
+ vv <- sequence v0]
+ ]
+ VFV ts -> concat # mapM strsFromValue ts
+ VStrs ts -> concat # mapM strsFromValue ts
+
+ _ -> fail ("cannot get Str from value " ++ show t)
+
+vfv vs = case nub vs of
+ [v] -> v
+ vs -> VFV vs
+
+select env vv =
+ case vv of
+ (v1,VFV vs) -> vfv [select env (v1,v2)|v2<-vs]
+ (VFV vs,v2) -> vfv [select env (v1,v2)|v1<-vs]
+ (v1@(VV pty vs rs),v2) ->
+ err (const (VS v1 v2)) id $
+ do --ats <- allParamValues (srcgr env) pty
+ --let vs = map (value0 env) ats
+ i <- maybeErr "no match" $ findIndex (==v2) vs
+ return (ix (gloc env) "select" rs i)
+ (VT _ _ [(PW,Bind b)],_) -> {-trace "eliminate wild card table" $-} b []
+ (v1@(VT _ _ cs),v2) ->
+ err (\_->ok2 VS v1 v2) (err bug id . valueMatch env) $
+ match (gloc env) cs v2
+ (VS (VV pty pvs rs) v12,v2) -> VS (VV pty pvs [select env (v11,v2)|v11<-rs]) v12
+ (v1,v2) -> ok2 VS v1 v2
+
+match loc cs v =
+ case value2term loc [] v of
+ Left i -> bad ("variable #"++show i++" is out of scope")
+ Right t -> err bad return (matchPattern cs t)
+ where
+ bad = fail . ("In pattern matching: "++)
+
+valueMatch :: CompleteEnv -> (Bind Env,Substitution) -> Err Value
+valueMatch env (Bind f,env') = f # mapPairsM (value0 env) env'
+
+valueTable :: CompleteEnv -> TInfo -> [Case] -> Err OpenValue
+valueTable env i cs =
+ case i of
+ TComp ty -> do pvs <- paramValues env ty
+ ((VV ty pvs .) # sequence) # mapM (value env.snd) cs
+ _ -> do ty <- getTableType i
+ cs' <- mapM valueCase cs
+ err (dynamic cs' ty) return (convert cs' ty)
+ where
+ dynamic cs' ty _ = cases cs' # value env ty
+
+ cases cs' vty vs = err keep ($vs) (convertv cs' (vty vs))
+ where
+ keep msg = --trace (msg++"\n"++render (ppTerm Unqualified 0 (T i cs))) $
+ VT wild (vty vs) (mapSnd ($vs) cs')
+
+ wild = case i of TWild _ -> True; _ -> False
+
+ convertv cs' vty =
+ case value2term (gloc env) [] vty of
+ Left i -> fail ("variable #"++show i++" is out of scope")
+ Right pty -> convert' cs' =<< paramValues'' env pty
+
+ convert cs' ty = convert' cs' =<< paramValues' env ty
+
+ convert' cs' ((pty,vs),pvs) =
+ do sts <- mapM (matchPattern cs') vs
+ return $ \ vs -> VV pty pvs $ map (err bug id . valueMatch env)
+ (mapFst ($vs) sts)
+
+ valueCase (p,t) = do p' <- measurePatt # inlinePattMacro p
+ pvs <- linPattVars p'
+ vt <- value (extend pvs env) t
+ return (p',\vs-> Bind $ \bs-> vt (push' p' bs pvs vs))
+
+ inlinePattMacro p =
+ case p of
+ PM qc -> do r <- resource env qc
+ case r of
+ VPatt p' -> inlinePattMacro p'
+ _ -> ppbug $ hang "Expected pattern macro:" 4
+ (show r)
+ _ -> composPattOp inlinePattMacro p
+
+
+paramValues env ty = snd # paramValues' env ty
+
+paramValues' env ty = paramValues'' env =<< nfx (global env) ty
+
+paramValues'' env pty = do ats <- allParamValues (srcgr env) pty
+ pvs <- mapM (eval (global env) []) ats
+ return ((pty,ats),pvs)
+
+push' p bs xs = if length bs/=length xs
+ then bug $ "push "++show (p,bs,xs)
+ else push bs xs
+
+push :: Env -> LocalScope -> Stack -> Stack
+push bs [] vs = vs
+push bs (x:xs) vs = maybe err id (lookup x bs):push bs xs vs
+ where err = bug $ "Unbound pattern variable "++showIdent x
+
+apply' :: CompleteEnv -> Term -> [OpenValue] -> Err OpenValue
+apply' env t [] = value env t
+apply' env t vs =
+ case t of
+ QC x -> return $ \ svs -> VCApp x (map ($svs) vs)
+{-
+ Q x@(m,f) | m==cPredef -> return $
+ let constr = --trace ("predef "++show x) .
+ VApp x
+ in \ svs -> maybe constr id (Map.lookup f predefs)
+ $ map ($svs) vs
+ | otherwise -> do r <- resource env x
+ return $ \ svs -> vapply (gloc env) r (map ($svs) vs)
+-}
+ App t1 t2 -> apply' env t1 . (:vs) =<< value env t2
+ _ -> do fv <- value env t
+ return $ \ svs -> vapply (gloc env) (fv svs) (map ($svs) vs)
+
+vapply :: GLocation -> Value -> [Value] -> Value
+vapply loc v [] = v
+vapply loc v vs =
+ case v of
+ VError {} -> v
+-- VClosure env (Abs b x t) -> beta gr env b x t vs
+ VAbs bt _ (Bind f) -> vbeta loc bt f vs
+ VApp pre vs1 -> delta' pre (vs1++vs)
+ where
+ delta' Trace (v1:v2:vs) = let vr = vapply loc v2 vs
+ in vtrace loc v1 vr
+ delta' pre vs = err msg vfv $ mapM (delta pre) (varyList vs)
+ --msg = const (VApp pre (vs1++vs))
+ msg = bug . (("Applying Predef."++showIdent (predefName pre)++": ")++)
+ VS (VV t pvs fs) s -> VS (VV t pvs [vapply loc f vs|f<-fs]) s
+ VFV fs -> vfv [vapply loc f vs|f<-fs]
+ VCApp f vs0 -> VCApp f (vs0++vs)
+ VMeta i env vs0 -> VMeta i env (vs0++vs)
+ VGen i vs0 -> VGen i (vs0++vs)
+ v -> bug $ "vapply "++show v++" "++show vs
+
+vbeta loc bt f (v:vs) =
+ case (bt,v) of
+ (Implicit,VImplArg v) -> ap v
+ (Explicit, v) -> ap v
+ where
+ ap (VFV avs) = vfv [vapply loc (f v) vs|v<-avs]
+ ap v = vapply loc (f v) vs
+
+vary (VFV vs) = vs
+vary v = [v]
+varyList = mapM vary
+
+{-
+beta env b x t (v:vs) =
+ case (b,v) of
+ (Implicit,VImplArg v) -> apply' (ext (x,v) env) t vs
+ (Explicit, v) -> apply' (ext (x,v) env) t vs
+-}
+
+vtrace loc arg res = trace (render (hang (pv arg) 4 ("->"<+>pv res))) res
+ where
+ pv v = case v of
+ VRec (f:as) -> hang (pf f) 4 (fsep (map pa as))
+ _ -> ppV v
+ pf (_,VString n) = pp n
+ pf (_,v) = ppV v
+ pa (_,v) = ppV v
+ ppV v = case value2term' True loc [] v of
+ Left i -> "variable #" <> pp i <+> "is out of scope"
+ Right t -> ppTerm Unqualified 10 t
+
+-- | Convert a value back to a term
+value2term :: GLocation -> [Ident] -> Value -> Either Int Term
+value2term = value2term' False
+value2term' stop loc xs v0 =
+ case v0 of
+ VApp pre vs -> liftM (foldl App (Q (cPredef,predefName pre))) (mapM v2t vs)
+ VCApp f vs -> liftM (foldl App (QC f)) (mapM v2t vs)
+ VGen j vs -> liftM2 (foldl App) (var j) (mapM v2t vs)
+ VMeta j env vs -> liftM (foldl App (Meta j)) (mapM v2t vs)
+ VProd bt v x f -> liftM2 (Prod bt x) (v2t v) (v2t' x f)
+ VAbs bt x f -> liftM (Abs bt x) (v2t' x f)
+ VInt n -> return (EInt n)
+ VFloat f -> return (EFloat f)
+ VString s -> return (if null s then Empty else K s)
+ VSort s -> return (Sort s)
+ VImplArg v -> liftM ImplArg (v2t v)
+ VTblType p res -> liftM2 Table (v2t p) (v2t res)
+ VRecType rs -> liftM RecType (mapM (\(l,v) -> fmap ((,) l) (v2t v)) rs)
+ VRec as -> liftM R (mapM (\(l,v) -> v2t v >>= \t -> return (l,(Nothing,t))) as)
+ VV t _ vs -> liftM (V t) (mapM v2t vs)
+ VT wild v cs -> v2t v >>= \t -> liftM (T ((if wild then TWild else TTyped) t)) (mapM nfcase cs)
+ VFV vs -> liftM FV (mapM v2t vs)
+ VC v1 v2 -> liftM2 C (v2t v1) (v2t v2)
+ VS v1 v2 -> liftM2 S (v2t v1) (v2t v2)
+ VP v l -> v2t v >>= \t -> return (P t l)
+ VPatt p -> return (EPatt p)
+ VPattType v -> v2t v >>= return . EPattType
+ VAlts v vvs -> liftM2 Alts (v2t v) (mapM (\(x,y) -> liftM2 (,) (v2t x) (v2t y)) vvs)
+ VStrs vs -> liftM Strs (mapM v2t vs)
+-- VGlue v1 v2 -> Glue (v2t v1) (v2t v2)
+-- VExtR v1 v2 -> ExtR (v2t v1) (v2t v2)
+ VError err -> return (Error err)
+
+ where
+ v2t = v2txs xs
+ v2txs = value2term' stop loc
+ v2t' x f = v2txs (x:xs) (bind f (gen xs))
+
+ var j
+ | j<length xs = Right (Vr (reverse xs !! j))
+ | otherwise = Left j
+
+
+ pushs xs e = foldr push e xs
+ push x (env,xs) = ((x,gen xs):env,x:xs)
+ gen xs = VGen (length xs) []
+
+ nfcase (p,f) = liftM ((,) p) (v2txs xs' (bind f env'))
+ where (env',xs') = pushs (pattVars p) ([],xs)
+
+ bind (Bind f) x = if stop
+ then VSort (identS "...") -- hmm
+ else f x
+
+
+linPattVars p =
+ if null dups
+ then return pvs
+ else fail.render $ hang "Pattern is not linear. All variable names on the left-hand side must be distinct." 4 (ppPatt Unqualified 0 p)
+ where
+ allpvs = allPattVars p
+ pvs = nub allpvs
+ dups = allpvs \\ pvs
+
+pattVars = nub . allPattVars
+allPattVars p =
+ case p of
+ PV i -> [i]
+ PAs i p -> i:allPattVars p
+ _ -> collectPattOp allPattVars p
+
+---
+ix loc fn xs i =
+ if i<n
+ then xs !! i
+ else bugloc loc $ "(!!): index too large in "++fn++", "++show i++"<"++show n
+ where n = length xs
+
+infixl 1 #,<# --,@@
+
+f # x = fmap f x
+mf <# mx = ap mf mx
+--m1 @@ m2 = (m1 =<<) . m2
+
+both f (x,y) = (,) # f x <# f y
+
+bugloc loc s = ppbug $ ppL loc s
+
+bug msg = ppbug msg
+ppbug doc = error $ render $ hang "Internal error in Compute.Concrete:" 4 doc
diff --git a/src/compiler/GF/Compile/Compute/ConcreteNew.hs b/src/compiler/GF/Compile/Compute/ConcreteNew.hs
deleted file mode 100644
index 6f00c45e1..000000000
--- a/src/compiler/GF/Compile/Compute/ConcreteNew.hs
+++ /dev/null
@@ -1,588 +0,0 @@
--- | Functions for computing the values of terms in the concrete syntax, in
--- | preparation for PMCFG generation.
-module GF.Compile.Compute.ConcreteNew
- (GlobalEnv, GLocation, resourceValues, geLoc, geGrammar,
- normalForm,
- Value(..), Bind(..), Env, value2term, eval, vapply
- ) where
-import Prelude hiding ((<>)) -- GHC 8.4.1 clash with Text.PrettyPrint
-
-import GF.Grammar hiding (Env, VGen, VApp, VRecType)
-import GF.Grammar.Lookup(lookupResDefLoc,allParamValues)
-import GF.Grammar.Predef(cPredef,cErrorType,cTok,cStr,cTrace,cPBool)
-import GF.Grammar.PatternMatch(matchPattern,measurePatt)
-import GF.Grammar.Lockfield(isLockLabel,lockRecType) --unlockRecord,lockLabel
-import GF.Compile.Compute.Value hiding (Error)
-import GF.Compile.Compute.Predef(predef,predefName,delta)
-import GF.Data.Str(Str,glueStr,str2strings,str,sstr,plusStr,strTok)
-import GF.Data.Operations(Err,err,errIn,maybeErr,mapPairsM)
-import GF.Data.Utilities(mapFst,mapSnd)
-import GF.Infra.Option
-import Control.Monad(ap,liftM,liftM2) -- ,unless,mplus
-import Data.List (findIndex,intersect,nub,elemIndex,(\\)) --,isInfixOf
---import Data.Char (isUpper,toUpper,toLower)
-import GF.Text.Pretty
-import qualified Data.Map as Map
-import Debug.Trace(trace)
-
--- * Main entry points
-
-normalForm :: GlobalEnv -> L Ident -> Term -> Term
-normalForm (GE gr rv opts _) loc = err (bugloc loc) id . nfx (GE gr rv opts loc)
-
-nfx env@(GE _ _ _ loc) t = do
- v <- eval env [] t
- case value2term loc [] v of
- Left i -> fail ("variable #"++show i++" is out of scope")
- Right t -> return t
-
-eval :: GlobalEnv -> Env -> Term -> Err Value
-eval (GE gr rvs opts loc) env t = ($ (map snd env)) # value cenv t
- where
- cenv = CE gr rvs opts loc (map fst env)
-
---apply env = apply' env
-
---------------------------------------------------------------------------------
-
--- * Environments
-
-type ResourceValues = Map.Map ModuleName (Map.Map Ident (Err Value))
-
-data GlobalEnv = GE Grammar ResourceValues Options GLocation
-data CompleteEnv = CE {srcgr::Grammar,rvs::ResourceValues,
- opts::Options,
- gloc::GLocation,local::LocalScope}
-type GLocation = L Ident
-type LocalScope = [Ident]
-type Stack = [Value]
-type OpenValue = Stack->Value
-
-geLoc (GE _ _ _ loc) = loc
-geGrammar (GE gr _ _ _) = gr
-
-ext b env = env{local=b:local env}
-extend bs env = env{local=bs++local env}
-global env = GE (srcgr env) (rvs env) (opts env) (gloc env)
-
-var :: CompleteEnv -> Ident -> Err OpenValue
-var env x = maybe unbound pick' (elemIndex x (local env))
- where
- unbound = fail ("Unknown variable: "++showIdent x)
- pick' i = return $ \ vs -> maybe (err i vs) ok (pick i vs)
- err i vs = bug $ "Stack problem: "++showIdent x++": "
- ++unwords (map showIdent (local env))
- ++" => "++show (i,length vs)
- ok v = --trace ("var "++show x++" = "++show v) $
- v
-
-pick :: Int -> Stack -> Maybe Value
-pick 0 (v:_) = Just v
-pick i (_:vs) = pick (i-1) vs
-pick i vs = Nothing -- bug $ "pick "++show (i,vs)
-
-resource env (m,c) =
--- err bug id $
- if isPredefCat c
- then value0 env =<< lockRecType c defLinType -- hmm
- else maybe e id $ Map.lookup c =<< Map.lookup m (rvs env)
- where e = fail $ "Not found: "++render m++"."++showIdent c
-
--- | Convert operators once, not every time they are looked up
-resourceValues :: Options -> SourceGrammar -> GlobalEnv
-resourceValues opts gr = env
- where
- env = GE gr rvs opts (L NoLoc identW)
- rvs = Map.mapWithKey moduleResources (moduleMap gr)
- moduleResources m = Map.mapWithKey (moduleResource m) . jments
- moduleResource m c _info = do L l t <- lookupResDefLoc gr (m,c)
- let loc = L l c
- qloc = L l (Q (m,c))
- eval (GE gr rvs opts loc) [] (traceRes qloc t)
-
- traceRes = if flag optTrace opts
- then traceResource
- else const id
-
--- * Tracing
-
--- | Insert a call to the trace function under the top-level lambdas
-traceResource (L l q) t =
- case termFormCnc t of
- (abs,body) -> mkAbs abs (mkApp traceQ [args,body])
- where
- args = R $ tuple2record (K lstr:[Vr x|(bt,x)<-abs,bt==Explicit])
- lstr = render (l<>":"<>ppTerm Qualified 0 q)
- traceQ = Q (cPredef,cTrace)
-
--- * Computing values
-
--- | Computing the value of a top-level term
-value0 :: CompleteEnv -> Term -> Err Value
-value0 env = eval (global env) []
-
--- | Computing the value of a term
-value :: CompleteEnv -> Term -> Err OpenValue
-value env t0 =
- -- Each terms is traversed only once by this function, using only statically
- -- available information. Notably, the values of lambda bound variables
- -- will be unknown during the term traversal phase.
- -- The result is an OpenValue, which is a function that may be applied many
- -- times to different dynamic values, but without the term traversal overhead
- -- and without recomputing other statically known information.
- -- For this to work, there should be no recursive calls under lambdas here.
- -- Whenever we need to construct the OpenValue function with an explicit
- -- lambda, we have to lift the recursive calls outside the lambda.
- -- (See e.g. the rules for Let, Prod and Abs)
-{-
- trace (render $ text "value"<+>sep [ppL (gloc env)<>text ":",
- brackets (fsep (map ppIdent (local env))),
- ppTerm Unqualified 10 t0]) $
---}
- errIn (render t0) $
- case t0 of
- Vr x -> var env x
- Q x@(m,f)
- | m == cPredef -> if f==cErrorType -- to be removed
- then let p = identS "P"
- in const # value0 env (mkProd [(Implicit,p,typeType)] (Vr p) [])
- else if f==cPBool
- then const # resource env x
- else const . flip VApp [] # predef f
- | otherwise -> const # resource env x --valueResDef (fst env) x
- QC x -> return $ const (VCApp x [])
- App e1 e2 -> apply' env e1 . (:[]) =<< value env e2
- Let (x,(oty,t)) body -> do vb <- value (ext x env) body
- vt <- value env t
- return $ \ vs -> vb (vt vs:vs)
- Meta i -> return $ \ vs -> VMeta i (zip (local env) vs) []
- Prod bt x t1 t2 ->
- do vt1 <- value env t1
- vt2 <- value (ext x env) t2
- return $ \ vs -> VProd bt (vt1 vs) x $ Bind $ \ vx -> vt2 (vx:vs)
- Abs bt x t -> do vt <- value (ext x env) t
- return $ VAbs bt x . Bind . \ vs vx -> vt (vx:vs)
- EInt n -> return $ const (VInt n)
- EFloat f -> return $ const (VFloat f)
- K s -> return $ const (VString s)
- Empty -> return $ const (VString "")
- Sort s | s == cTok -> return $ const (VSort cStr) -- to be removed
- | otherwise -> return $ const (VSort s)
- ImplArg t -> (VImplArg.) # value env t
- Table p res -> liftM2 VTblType # value env p <# value env res
- RecType rs -> do lovs <- mapPairsM (value env) rs
- return $ \vs->VRecType $ mapSnd ($vs) lovs
- t@(ExtR t1 t2) -> ((extR t.)# both id) # both (value env) (t1,t2)
- FV ts -> ((vfv .) # sequence) # mapM (value env) ts
- R as -> do lovs <- mapPairsM (value env.snd) as
- return $ \ vs->VRec $ mapSnd ($vs) lovs
- T i cs -> valueTable env i cs
- V ty ts -> do pvs <- paramValues env ty
- ((VV ty pvs .) . sequence) # mapM (value env) ts
- C t1 t2 -> ((ok2p vconcat.) # both id) # both (value env) (t1,t2)
- S t1 t2 -> ((select env.) # both id) # both (value env) (t1,t2)
- P t l -> --maybe (bug $ "project "++show l++" from "++show v) id $
- do ov <- value env t
- return $ \ vs -> let v = ov vs
- in maybe (VP v l) id (proj l v)
- Alts t tts -> (\v vts -> VAlts # v <# mapM (both id) vts) # value env t <# mapM (both (value env)) tts
- Strs ts -> ((VStrs.) # sequence) # mapM (value env) ts
- Glue t1 t2 -> ((ok2p (glue env).) # both id) # both (value env) (t1,t2)
- ELin c r -> (unlockVRec (gloc env) c.) # value env r
- EPatt p -> return $ const (VPatt p) -- hmm
- EPattType ty -> do vt <- value env ty
- return (VPattType . vt)
- Typed t ty -> value env t
- t -> fail.render $ "value"<+>ppTerm Unqualified 10 t $$ show t
-
-vconcat vv@(v1,v2) =
- case vv of
- (VString "",_) -> v2
- (_,VString "") -> v1
- (VApp NonExist _,_) -> v1
- (_,VApp NonExist _) -> v2
- _ -> VC v1 v2
-
-proj l v | isLockLabel l = return (VRec [])
- ---- a workaround 18/2/2005: take this away and find the reason
- ---- why earlier compilation destroys the lock field
-proj l v =
- case v of
- VFV vs -> liftM vfv (mapM (proj l) vs)
- VRec rs -> lookup l rs
--- VExtR v1 v2 -> proj l v2 `mplus` proj l v1 -- hmm
- VS (VV pty pvs rs) v2 -> flip VS v2 . VV pty pvs # mapM (proj l) rs
- _ -> return (ok1 VP v l)
-
-ok1 f v1@(VError {}) _ = v1
-ok1 f v1 v2 = f v1 v2
-
-ok2 f v1@(VError {}) _ = v1
-ok2 f _ v2@(VError {}) = v2
-ok2 f v1 v2 = f v1 v2
-
-ok2p f (v1@VError {},_) = v1
-ok2p f (_,v2@VError {}) = v2
-ok2p f vv = f vv
-
-unlockVRec loc c0 v0 = v0
-{-
-unlockVRec loc c0 v0 = unlockVRec' c0 v0
- where
- unlockVRec' ::Ident -> Value -> Value
- unlockVRec' c v =
- case v of
- -- VClosure env t -> err bug (VClosure env) (unlockRecord c t)
- VAbs bt x (Bind f) -> VAbs bt x (Bind $ \ v -> unlockVRec' c (f v))
- VRec rs -> plusVRec rs lock
- -- _ -> VExtR v (VRec lock) -- hmm
- _ -> {-trace (render $ ppL loc $ "unlock non-record "++show v0)-} v -- hmm
- -- _ -> bugloc loc $ "unlock non-record "++show v0
- where
- lock = [(lockLabel c,VRec [])]
--}
-
--- suspicious, but backwards compatible
-plusVRec rs1 rs2 = VRec ([(l,v)|(l,v)<-rs1,l `notElem` ls2] ++ rs2)
- where ls2 = map fst rs2
-
-extR t vv =
- case vv of
- (VFV vs,v2) -> vfv [extR t (v1,v2)|v1<-vs]
- (v1,VFV vs) -> vfv [extR t (v1,v2)|v2<-vs]
- (VRecType rs1, VRecType rs2) ->
- case intersect (map fst rs1) (map fst rs2) of
- [] -> VRecType (rs1 ++ rs2)
- ls -> error $ "clash"<+>show ls
- (VRec rs1, VRec rs2) -> plusVRec rs1 rs2
- (v1 , VRec [(l,_)]) | isLockLabel l -> v1 -- hmm
- (VS (VV t pvs vs) s,v2) -> VS (VV t pvs [extR t (v1,v2)|v1<-vs]) s
--- (v1,v2) -> ok2 VExtR v1 v2 -- hmm
- (v1,v2) -> error $ "not records" $$ show v1 $$ show v2
- where
- error explain = ppbug $ "The term" <+> t
- <+> "is not reducible" $$ explain
-
-glue env (v1,v2) = glu v1 v2
- where
- glu v1 v2 =
- case (v1,v2) of
- (VFV vs,v2) -> vfv [glu v1 v2|v1<-vs]
- (v1,VFV vs) -> vfv [glu v1 v2|v2<-vs]
- (VString s1,VString s2) -> VString (s1++s2)
- (v1,VAlts d vs) -> VAlts (glx d) [(glx v,c) | (v,c) <- vs]
- where glx v2 = glu v1 v2
- (v1@(VAlts {}),v2) ->
- --err (const (ok2 VGlue v1 v2)) id $
- err bug id $
- do y' <- strsFromValue v2
- x' <- strsFromValue v1
- return $ vfv [foldr1 VC (map VString (str2strings (glueStr v u))) | v <- x', u <- y']
- (VC va vb,v2) -> VC va (glu vb v2)
- (v1,VC va vb) -> VC (glu v1 va) vb
- (VS (VV ty pvs vs) vb,v2) -> VS (VV ty pvs [glu v v2|v<-vs]) vb
- (v1,VS (VV ty pvs vs) vb) -> VS (VV ty pvs [glu v1 v|v<-vs]) vb
- (v1@(VApp NonExist _),_) -> v1
- (_,v2@(VApp NonExist _)) -> v2
--- (v1,v2) -> ok2 VGlue v1 v2
- (v1,v2) -> if flag optPlusAsBind (opts env)
- then VC v1 (VC (VApp BIND []) v2)
- else let loc = gloc env
- vt v = case value2term loc (local env) v of
- Left i -> Error ('#':show i)
- Right t -> t
- originalMsg = render $ ppL loc (hang "unsupported token gluing" 4
- (Glue (vt v1) (vt v2)))
- term = render $ pp $ Glue (vt v1) (vt v2)
- in error $ unlines
- [originalMsg
- ,""
- ,"There was a problem in the expression `"++term++"`, either:"
- ,"1) You are trying to use + on runtime arguments, possibly via an oper."
- ,"2) One of the arguments in `"++term++"` is a bound variable from pattern matching a string, but the cases are non-exhaustive."
- ,"For more help see https://github.com/GrammaticalFramework/gf-core/tree/master/doc/errors/gluing.md"
- ]
-
-
--- | to get a string from a value that represents a sequence of terminals
-strsFromValue :: Value -> Err [Str]
-strsFromValue t = case t of
- VString s -> return [str s]
- VC s t -> do
- s' <- strsFromValue s
- t' <- strsFromValue t
- return [plusStr x y | x <- s', y <- t']
-{-
- VGlue s t -> do
- s' <- strsFromValue s
- t' <- strsFromValue t
- return [glueStr x y | x <- s', y <- t']
--}
- VAlts d vs -> do
- d0 <- strsFromValue d
- v0 <- mapM (strsFromValue . fst) vs
- c0 <- mapM (strsFromValue . snd) vs
- --let vs' = zip v0 c0
- return [strTok (str2strings def) vars |
- def <- d0,
- vars <- [[(str2strings v, map sstr c) | (v,c) <- zip vv c0] |
- vv <- sequence v0]
- ]
- VFV ts -> concat # mapM strsFromValue ts
- VStrs ts -> concat # mapM strsFromValue ts
-
- _ -> fail ("cannot get Str from value " ++ show t)
-
-vfv vs = case nub vs of
- [v] -> v
- vs -> VFV vs
-
-select env vv =
- case vv of
- (v1,VFV vs) -> vfv [select env (v1,v2)|v2<-vs]
- (VFV vs,v2) -> vfv [select env (v1,v2)|v1<-vs]
- (v1@(VV pty vs rs),v2) ->
- err (const (VS v1 v2)) id $
- do --ats <- allParamValues (srcgr env) pty
- --let vs = map (value0 env) ats
- i <- maybeErr "no match" $ findIndex (==v2) vs
- return (ix (gloc env) "select" rs i)
- (VT _ _ [(PW,Bind b)],_) -> {-trace "eliminate wild card table" $-} b []
- (v1@(VT _ _ cs),v2) ->
- err (\_->ok2 VS v1 v2) (err bug id . valueMatch env) $
- match (gloc env) cs v2
- (VS (VV pty pvs rs) v12,v2) -> VS (VV pty pvs [select env (v11,v2)|v11<-rs]) v12
- (v1,v2) -> ok2 VS v1 v2
-
-match loc cs v =
- case value2term loc [] v of
- Left i -> bad ("variable #"++show i++" is out of scope")
- Right t -> err bad return (matchPattern cs t)
- where
- bad = fail . ("In pattern matching: "++)
-
-valueMatch :: CompleteEnv -> (Bind Env,Substitution) -> Err Value
-valueMatch env (Bind f,env') = f # mapPairsM (value0 env) env'
-
-valueTable :: CompleteEnv -> TInfo -> [Case] -> Err OpenValue
-valueTable env i cs =
- case i of
- TComp ty -> do pvs <- paramValues env ty
- ((VV ty pvs .) # sequence) # mapM (value env.snd) cs
- _ -> do ty <- getTableType i
- cs' <- mapM valueCase cs
- err (dynamic cs' ty) return (convert cs' ty)
- where
- dynamic cs' ty _ = cases cs' # value env ty
-
- cases cs' vty vs = err keep ($vs) (convertv cs' (vty vs))
- where
- keep msg = --trace (msg++"\n"++render (ppTerm Unqualified 0 (T i cs))) $
- VT wild (vty vs) (mapSnd ($vs) cs')
-
- wild = case i of TWild _ -> True; _ -> False
-
- convertv cs' vty =
- case value2term (gloc env) [] vty of
- Left i -> fail ("variable #"++show i++" is out of scope")
- Right pty -> convert' cs' =<< paramValues'' env pty
-
- convert cs' ty = convert' cs' =<< paramValues' env ty
-
- convert' cs' ((pty,vs),pvs) =
- do sts <- mapM (matchPattern cs') vs
- return $ \ vs -> VV pty pvs $ map (err bug id . valueMatch env)
- (mapFst ($vs) sts)
-
- valueCase (p,t) = do p' <- measurePatt # inlinePattMacro p
- pvs <- linPattVars p'
- vt <- value (extend pvs env) t
- return (p',\vs-> Bind $ \bs-> vt (push' p' bs pvs vs))
-
- inlinePattMacro p =
- case p of
- PM qc -> do r <- resource env qc
- case r of
- VPatt p' -> inlinePattMacro p'
- _ -> ppbug $ hang "Expected pattern macro:" 4
- (show r)
- _ -> composPattOp inlinePattMacro p
-
-
-paramValues env ty = snd # paramValues' env ty
-
-paramValues' env ty = paramValues'' env =<< nfx (global env) ty
-
-paramValues'' env pty = do ats <- allParamValues (srcgr env) pty
- pvs <- mapM (eval (global env) []) ats
- return ((pty,ats),pvs)
-
-push' p bs xs = if length bs/=length xs
- then bug $ "push "++show (p,bs,xs)
- else push bs xs
-
-push :: Env -> LocalScope -> Stack -> Stack
-push bs [] vs = vs
-push bs (x:xs) vs = maybe err id (lookup x bs):push bs xs vs
- where err = bug $ "Unbound pattern variable "++showIdent x
-
-apply' :: CompleteEnv -> Term -> [OpenValue] -> Err OpenValue
-apply' env t [] = value env t
-apply' env t vs =
- case t of
- QC x -> return $ \ svs -> VCApp x (map ($svs) vs)
-{-
- Q x@(m,f) | m==cPredef -> return $
- let constr = --trace ("predef "++show x) .
- VApp x
- in \ svs -> maybe constr id (Map.lookup f predefs)
- $ map ($svs) vs
- | otherwise -> do r <- resource env x
- return $ \ svs -> vapply (gloc env) r (map ($svs) vs)
--}
- App t1 t2 -> apply' env t1 . (:vs) =<< value env t2
- _ -> do fv <- value env t
- return $ \ svs -> vapply (gloc env) (fv svs) (map ($svs) vs)
-
-vapply :: GLocation -> Value -> [Value] -> Value
-vapply loc v [] = v
-vapply loc v vs =
- case v of
- VError {} -> v
--- VClosure env (Abs b x t) -> beta gr env b x t vs
- VAbs bt _ (Bind f) -> vbeta loc bt f vs
- VApp pre vs1 -> delta' pre (vs1++vs)
- where
- delta' Trace (v1:v2:vs) = let vr = vapply loc v2 vs
- in vtrace loc v1 vr
- delta' pre vs = err msg vfv $ mapM (delta pre) (varyList vs)
- --msg = const (VApp pre (vs1++vs))
- msg = bug . (("Applying Predef."++showIdent (predefName pre)++": ")++)
- VS (VV t pvs fs) s -> VS (VV t pvs [vapply loc f vs|f<-fs]) s
- VFV fs -> vfv [vapply loc f vs|f<-fs]
- VCApp f vs0 -> VCApp f (vs0++vs)
- VMeta i env vs0 -> VMeta i env (vs0++vs)
- VGen i vs0 -> VGen i (vs0++vs)
- v -> bug $ "vapply "++show v++" "++show vs
-
-vbeta loc bt f (v:vs) =
- case (bt,v) of
- (Implicit,VImplArg v) -> ap v
- (Explicit, v) -> ap v
- where
- ap (VFV avs) = vfv [vapply loc (f v) vs|v<-avs]
- ap v = vapply loc (f v) vs
-
-vary (VFV vs) = vs
-vary v = [v]
-varyList = mapM vary
-
-{-
-beta env b x t (v:vs) =
- case (b,v) of
- (Implicit,VImplArg v) -> apply' (ext (x,v) env) t vs
- (Explicit, v) -> apply' (ext (x,v) env) t vs
--}
-
-vtrace loc arg res = trace (render (hang (pv arg) 4 ("->"<+>pv res))) res
- where
- pv v = case v of
- VRec (f:as) -> hang (pf f) 4 (fsep (map pa as))
- _ -> ppV v
- pf (_,VString n) = pp n
- pf (_,v) = ppV v
- pa (_,v) = ppV v
- ppV v = case value2term' True loc [] v of
- Left i -> "variable #" <> pp i <+> "is out of scope"
- Right t -> ppTerm Unqualified 10 t
-
--- | Convert a value back to a term
-value2term :: GLocation -> [Ident] -> Value -> Either Int Term
-value2term = value2term' False
-value2term' stop loc xs v0 =
- case v0 of
- VApp pre vs -> liftM (foldl App (Q (cPredef,predefName pre))) (mapM v2t vs)
- VCApp f vs -> liftM (foldl App (QC f)) (mapM v2t vs)
- VGen j vs -> liftM2 (foldl App) (var j) (mapM v2t vs)
- VMeta j env vs -> liftM (foldl App (Meta j)) (mapM v2t vs)
- VProd bt v x f -> liftM2 (Prod bt x) (v2t v) (v2t' x f)
- VAbs bt x f -> liftM (Abs bt x) (v2t' x f)
- VInt n -> return (EInt n)
- VFloat f -> return (EFloat f)
- VString s -> return (if null s then Empty else K s)
- VSort s -> return (Sort s)
- VImplArg v -> liftM ImplArg (v2t v)
- VTblType p res -> liftM2 Table (v2t p) (v2t res)
- VRecType rs -> liftM RecType (mapM (\(l,v) -> fmap ((,) l) (v2t v)) rs)
- VRec as -> liftM R (mapM (\(l,v) -> v2t v >>= \t -> return (l,(Nothing,t))) as)
- VV t _ vs -> liftM (V t) (mapM v2t vs)
- VT wild v cs -> v2t v >>= \t -> liftM (T ((if wild then TWild else TTyped) t)) (mapM nfcase cs)
- VFV vs -> liftM FV (mapM v2t vs)
- VC v1 v2 -> liftM2 C (v2t v1) (v2t v2)
- VS v1 v2 -> liftM2 S (v2t v1) (v2t v2)
- VP v l -> v2t v >>= \t -> return (P t l)
- VPatt p -> return (EPatt p)
- VPattType v -> v2t v >>= return . EPattType
- VAlts v vvs -> liftM2 Alts (v2t v) (mapM (\(x,y) -> liftM2 (,) (v2t x) (v2t y)) vvs)
- VStrs vs -> liftM Strs (mapM v2t vs)
--- VGlue v1 v2 -> Glue (v2t v1) (v2t v2)
--- VExtR v1 v2 -> ExtR (v2t v1) (v2t v2)
- VError err -> return (Error err)
-
- where
- v2t = v2txs xs
- v2txs = value2term' stop loc
- v2t' x f = v2txs (x:xs) (bind f (gen xs))
-
- var j
- | j<length xs = Right (Vr (reverse xs !! j))
- | otherwise = Left j
-
-
- pushs xs e = foldr push e xs
- push x (env,xs) = ((x,gen xs):env,x:xs)
- gen xs = VGen (length xs) []
-
- nfcase (p,f) = liftM ((,) p) (v2txs xs' (bind f env'))
- where (env',xs') = pushs (pattVars p) ([],xs)
-
- bind (Bind f) x = if stop
- then VSort (identS "...") -- hmm
- else f x
-
-
-linPattVars p =
- if null dups
- then return pvs
- else fail.render $ hang "Pattern is not linear. All variable names on the left-hand side must be distinct." 4 (ppPatt Unqualified 0 p)
- where
- allpvs = allPattVars p
- pvs = nub allpvs
- dups = allpvs \\ pvs
-
-pattVars = nub . allPattVars
-allPattVars p =
- case p of
- PV i -> [i]
- PAs i p -> i:allPattVars p
- _ -> collectPattOp allPattVars p
-
----
-ix loc fn xs i =
- if i<n
- then xs !! i
- else bugloc loc $ "(!!): index too large in "++fn++", "++show i++"<"++show n
- where n = length xs
-
-infixl 1 #,<# --,@@
-
-f # x = fmap f x
-mf <# mx = ap mf mx
---m1 @@ m2 = (m1 =<<) . m2
-
-both f (x,y) = (,) # f x <# f y
-
-bugloc loc s = ppbug $ ppL loc s
-
-bug msg = ppbug msg
-ppbug doc = error $ render $ hang "Internal error in Compute.ConcreteNew:" 4 doc
diff --git a/src/compiler/GF/Compile/Compute/Value.hs b/src/compiler/GF/Compile/Compute/Value.hs
index 7eb0c3bfb..c3fb83b4b 100644
--- a/src/compiler/GF/Compile/Compute/Value.hs
+++ b/src/compiler/GF/Compile/Compute/Value.hs
@@ -12,8 +12,8 @@ data Value
| VGen Int [Value] -- for lambda bound variables, possibly applied
| VMeta MetaId Env [Value]
-- -- | VClosure Env Term -- used in Typecheck.ConcreteNew
- | VAbs BindType Ident Binding -- used in Compute.ConcreteNew
- | VProd BindType Value Ident Binding -- used in Compute.ConcreteNew
+ | VAbs BindType Ident Binding -- used in Compute.Concrete
+ | VProd BindType Value Ident Binding -- used in Compute.Concrete
| VInt Int
| VFloat Double
| VString String
@@ -47,10 +47,10 @@ type Env = [(Ident,Value)]
-- | Predefined functions
data Predefined = Drop | Take | Tk | Dp | EqStr | Occur | Occurs | ToUpper
- | ToLower | IsUpper | Length | Plus | EqInt | LessInt
+ | ToLower | IsUpper | Length | Plus | EqInt | LessInt
{- | Show | Read | ToStr | MapStr | EqVal -}
| Error | Trace
-- Canonical values below:
- | PBool | PFalse | PTrue | Int | Float | Ints | NonExist
+ | PBool | PFalse | PTrue | Int | Float | Ints | NonExist
| BIND | SOFT_BIND | SOFT_SPACE | CAPIT | ALL_CAPIT
deriving (Show,Eq,Ord,Ix,Bounded,Enum)
diff --git a/src/compiler/GF/Compile/GeneratePMCFG.hs b/src/compiler/GF/Compile/GeneratePMCFG.hs
index ab6476b31..8383f0624 100644
--- a/src/compiler/GF/Compile/GeneratePMCFG.hs
+++ b/src/compiler/GF/Compile/GeneratePMCFG.hs
@@ -25,7 +25,7 @@ import GF.Data.BacktrackM
import GF.Data.Operations
import GF.Infra.UseIO (ePutStr,ePutStrLn) -- IOE,
import GF.Data.Utilities (updateNthM) --updateNth
-import GF.Compile.Compute.ConcreteNew(normalForm,resourceValues)
+import GF.Compile.Compute.Concrete(normalForm,resourceValues)
import qualified Data.Map as Map
import qualified Data.Set as Set
import qualified Data.List as List
@@ -82,7 +82,7 @@ addPMCFG opts gr cenv opath am cm seqs id (GF.Grammar.CncFun mty@(Just (cat,cont
(goB b1 CNil [])
(pres,pargs)
pmcfg = getPMCFG pmcfgEnv1
-
+
stats = let PMCFG prods funs = pmcfg
(s,e) = bounds funs
!prods_cnt = length prods
@@ -103,7 +103,7 @@ addPMCFG opts gr cenv opath am cm seqs id (GF.Grammar.CncFun mty@(Just (cat,cont
newArgs = map getFIds newArgs'
in addFunction env0 newCat fun newArgs
-addPMCFG opts gr cenv opath am cm seqs id (GF.Grammar.CncCat mty@(Just (L _ lincat))
+addPMCFG opts gr cenv opath am cm seqs id (GF.Grammar.CncCat mty@(Just (L _ lincat))
mdef@(Just (L loc1 def))
mref@(Just (L loc2 ref))
mprn
@@ -162,7 +162,7 @@ pgfCncCat :: SourceGrammar -> Type -> Int -> CncCat
pgfCncCat gr lincat index =
let ((_,size),schema) = computeCatRange gr lincat
in PGF.CncCat index (index+size-1)
- (mkArray (map (renderStyle style{mode=OneLineMode} . ppPath)
+ (mkArray (map (renderStyle style{mode=OneLineMode} . ppPath)
(getStrPaths schema)))
where
getStrPaths :: Schema Identity s c -> [Path]
@@ -243,7 +243,7 @@ choices nr path = do (args,_) <- get
| (value,index) <- values])
descend schema path rpath = bug $ "descend "++show (schema,path,rpath)
- updateEnv path value gr c (args,seq) =
+ updateEnv path value gr c (args,seq) =
case updateNthM (restrictProtoFCat path value) nr args of
Just args -> c value (args,seq)
Nothing -> bug "conflict in updateEnv"
@@ -606,7 +606,7 @@ restrictProtoFCat path v (PFCat cat f schema) = do
Just index -> return (CPar (m,[(v,index)]))
Nothing -> mzero
addConstraint CNil v (CStr _) = bug "restrictProtoFCat: string path"
-
+
update k0 f [] = return []
update k0 f (x@(k,Identity v):xs)
| k0 == k = do v <- f v
diff --git a/src/compiler/GF/Compile/GrammarToCanonical.hs b/src/compiler/GF/Compile/GrammarToCanonical.hs
index 33f35ad08..d43256177 100644
--- a/src/compiler/GF/Compile/GrammarToCanonical.hs
+++ b/src/compiler/GF/Compile/GrammarToCanonical.hs
@@ -19,7 +19,7 @@ import GF.Compile.Compute.Value(Predefined(..))
import GF.Infra.Ident(ModuleName(..),Ident,prefixIdent,showIdent,isWildIdent)
import GF.Infra.Option(optionsPGF)
import PGF.Internal(Literal(..))
-import GF.Compile.Compute.ConcreteNew(normalForm,resourceValues)
+import GF.Compile.Compute.Concrete(normalForm,resourceValues)
import GF.Grammar.Canonical as C
import Debug.Trace
@@ -72,7 +72,7 @@ concrete2canonical gr cenv absname cnc modinfo =
[lincat|(_,Left lincat)<-defs]
[lin|(_,Right lin)<-defs]
where
- defs = concatMap (toCanonical gr absname cenv) .
+ defs = concatMap (toCanonical gr absname cenv) .
M.toList $
jments modinfo
@@ -189,7 +189,7 @@ convert' gr vs = ppT
_ -> VarValue (gQId cPredef n) -- hmm
where
p = PredefValue . PredefId
-
+
ppP p =
case p of
PC c ps -> ParamPattern (Param (gId c) (map ppP ps))
diff --git a/src/compiler/GF/Compile/Optimize.hs b/src/compiler/GF/Compile/Optimize.hs
index 393deb020..ac3fa357c 100644
--- a/src/compiler/GF/Compile/Optimize.hs
+++ b/src/compiler/GF/Compile/Optimize.hs
@@ -6,7 +6,7 @@
-- Stability : (stable)
-- Portability : (portable)
--
--- > CVS $Date: 2005/09/16 13:56:13 $
+-- > CVS $Date: 2005/09/16 13:56:13 $
-- > CVS $Author: aarne $
-- > CVS $Revision: 1.18 $
--
@@ -21,7 +21,7 @@ import GF.Grammar.Printer
import GF.Grammar.Macros
import GF.Grammar.Lookup
import GF.Grammar.Predef
-import GF.Compile.Compute.ConcreteNew(GlobalEnv,normalForm,resourceValues)
+import GF.Compile.Compute.Concrete(GlobalEnv,normalForm,resourceValues)
import GF.Data.Operations
import GF.Infra.Option
@@ -90,7 +90,7 @@ evalInfo opts resenv sgr m c info = do
let ppr' = fmap (evalPrintname resenv c) ppr
return $ CncFun mt pde' ppr' mpmcfg -- only cat in type actually needed
{-
- ResOper pty pde
+ ResOper pty pde
| not new && OptExpand `Set.member` optim -> do
pde' <- case pde of
Just (L loc de) -> do de <- computeConcrete gr de
@@ -171,13 +171,13 @@ mkLinDefault gr typ = liftM (Abs Explicit varStr) $ mkDefField typ
_ -> Bad (render ("linearization type field cannot be" <+> typ))
mkLinReference :: SourceGrammar -> Type -> Err Term
-mkLinReference gr typ =
- liftM (Abs Explicit varStr) $
+mkLinReference gr typ =
+ liftM (Abs Explicit varStr) $
case mkDefField typ (Vr varStr) of
Bad "no string" -> return Empty
x -> x
where
- mkDefField ty trm =
+ mkDefField ty trm =
case ty of
Table pty ty -> do ps <- allParamValues gr pty
case ps of
@@ -203,7 +203,7 @@ factor param c i t =
T (TComp ty) cs -> factors ty [(p, factor param c (i+1) v) | (p, v) <- cs]
_ -> composSafeOp (factor param c i) t
where
- factors ty pvs0
+ factors ty pvs0
| not param = V ty (map snd pvs0)
factors ty [] = V ty []
factors ty pvs0@[(p,v)] = V ty [v]
@@ -224,7 +224,7 @@ factor param c i t =
replace :: Term -> Term -> Term -> Term
replace old new trm =
case trm of
- -- these are the important cases, since they can correspond to patterns
+ -- these are the important cases, since they can correspond to patterns
QC _ | trm == old -> new
App _ _ | trm == old -> new
R _ | trm == old -> new
diff --git a/src/compiler/GF/Compile/TypeCheck/ConcreteNew.hs b/src/compiler/GF/Compile/TypeCheck/ConcreteNew.hs
index b35aaf9ed..c32afa7a5 100644
--- a/src/compiler/GF/Compile/TypeCheck/ConcreteNew.hs
+++ b/src/compiler/GF/Compile/TypeCheck/ConcreteNew.hs
@@ -10,7 +10,7 @@ import GF.Grammar hiding (Env, VGen, VApp, VRecType)
import GF.Grammar.Lookup
import GF.Grammar.Predef
import GF.Grammar.Lockfield
-import GF.Compile.Compute.ConcreteNew
+import GF.Compile.Compute.Concrete
import GF.Compile.Compute.Predef(predef,predefName)
import GF.Infra.CheckM
import GF.Data.Operations
@@ -133,7 +133,7 @@ tcRho ge scope t@(RecType rs) (Just ty) = do
[] -> unifyVar ge scope i env vs vtypePType
_ -> return ()
ty -> do ty <- zonkTerm =<< tc_value2term (geLoc ge) (scopeVars scope) ty
- tcError ("The record type" <+> ppTerm Unqualified 0 t $$
+ tcError ("The record type" <+> ppTerm Unqualified 0 t $$
"cannot be of type" <+> ppTerm Unqualified 0 ty)
(rs,mb_ty) <- tcRecTypeFields ge scope rs (Just ty')
return (f (RecType rs),ty)
@@ -187,7 +187,7 @@ tcRho ge scope (R rs) (Just ty) = do
case ty' of
(VRecType ltys) -> do lttys <- checkRecFields ge scope rs ltys
rs <- mapM (\(l,t,ty) -> tc_value2term (geLoc ge) (scopeVars scope) ty >>= \ty -> return (l, (Just ty, t))) lttys
- return ((f . R) rs,
+ return ((f . R) rs,
VRecType [(l, ty) | (l,t,ty) <- lttys]
)
ty -> do lttys <- inferRecFields ge scope rs
@@ -277,11 +277,11 @@ tcApp ge scope (App fun arg) = -- APP2
varg <- liftErr (eval ge (scopeEnv scope) arg)
return (App fun arg, res_ty varg)
tcApp ge scope (Q id) = -- VAR (global)
- mkTcA (lookupOverloadTypes (geGrammar ge) id) `bindTcA` \(t,ty) ->
+ mkTcA (lookupOverloadTypes (geGrammar ge) id) `bindTcA` \(t,ty) ->
do ty <- liftErr (eval ge [] ty)
return (t,ty)
tcApp ge scope (QC id) = -- VAR (global)
- mkTcA (lookupOverloadTypes (geGrammar ge) id) `bindTcA` \(t,ty) ->
+ mkTcA (lookupOverloadTypes (geGrammar ge) id) `bindTcA` \(t,ty) ->
do ty <- liftErr (eval ge [] ty)
return (t,ty)
tcApp ge scope t =
@@ -350,7 +350,7 @@ tcPatt ge scope (PM q) ty0 = do
Bad err -> tcError (pp err)
tcPatt ge scope p ty = unimplemented ("tcPatt "++show p)
-inferRecFields ge scope rs =
+inferRecFields ge scope rs =
mapM (\(l,r) -> tcRecField ge scope l r Nothing) rs
checkRecFields ge scope [] ltys
@@ -368,7 +368,7 @@ checkRecFields ge scope ((l,t):lts) ltys =
where
takeIt l1 [] = (Nothing, [])
takeIt l1 (lty@(l2,ty):ltys)
- | l1 == l2 = (Just ty,ltys)
+ | l1 == l2 = (Just ty,ltys)
| otherwise = let (mb_ty,ltys') = takeIt l1 ltys
in (mb_ty,lty:ltys')
@@ -390,7 +390,7 @@ tcRecTypeFields ge scope ((l,ty):rs) mb_ty = do
| s == cPType -> return mb_ty
VMeta _ _ _ -> return mb_ty
_ -> do sort <- zonkTerm =<< tc_value2term (geLoc ge) (scopeVars scope) sort
- tcError ("The record type field" <+> l <+> ':' <+> ppTerm Unqualified 0 ty $$
+ tcError ("The record type field" <+> l <+> ':' <+> ppTerm Unqualified 0 ty $$
"cannot be of type" <+> ppTerm Unqualified 0 sort)
(rs,mb_ty) <- tcRecTypeFields ge scope rs mb_ty
return ((l,ty):rs,mb_ty)
@@ -444,11 +444,11 @@ subsCheckRho ge scope t (VApp p1 _) (VApp p2 _) -- Rule
| predefName p1 == cInts && predefName p2 == cInt = return t
subsCheckRho ge scope t (VApp p1 [VInt i]) (VApp p2 [VInt j]) -- Rule INT2
| predefName p1 == cInts && predefName p2 == cInts =
- if i <= j
+ if i <= j
then return t
else tcError ("Ints" <+> i <+> "is not a subtype of" <+> "Ints" <+> j)
subsCheckRho ge scope t ty1@(VRecType rs1) ty2@(VRecType rs2) = do -- Rule REC
- let mkAccess scope t =
+ let mkAccess scope t =
case t of
ExtR t1 t2 -> do (scope,mkProj1,mkWrap1) <- mkAccess scope t1
(scope,mkProj2,mkWrap2) <- mkAccess scope t2
@@ -557,7 +557,7 @@ unify ge scope v (VMeta i env vs) = unifyVar ge scope i env vs v
unify ge scope v1 v2 = do
t1 <- zonkTerm =<< tc_value2term (geLoc ge) (scopeVars scope) v1
t2 <- zonkTerm =<< tc_value2term (geLoc ge) (scopeVars scope) v2
- tcError ("Cannot unify terms:" <+> (ppTerm Unqualified 0 t1 $$
+ tcError ("Cannot unify terms:" <+> (ppTerm Unqualified 0 t1 $$
ppTerm Unqualified 0 t2))
-- | Invariant: tv1 is a flexible type variable
@@ -609,7 +609,7 @@ quantify ge scope t tvs ty0 = do
ty <- tc_value2term (geLoc ge) (scopeVars scope) ty0
let used_bndrs = nub (bndrs ty) -- Avoid quantified type variables in use
new_bndrs = take (length tvs) (allBinders \\ used_bndrs)
- mapM_ bind (tvs `zip` new_bndrs) -- 'bind' is just a cunning way
+ mapM_ bind (tvs `zip` new_bndrs) -- 'bind' is just a cunning way
ty <- zonkTerm ty -- of doing the substitution
vty <- liftErr (eval ge [] (foldr (\v ty -> Prod Implicit v typeType ty) ty new_bndrs))
return (foldr (Abs Implicit) t new_bndrs,vty)
@@ -619,7 +619,7 @@ quantify ge scope t tvs ty0 = do
bndrs (Prod _ x t1 t2) = [x] ++ bndrs t1 ++ bndrs t2
bndrs _ = []
-allBinders :: [Ident] -- a,b,..z, a1, b1,... z1, a2, b2,...
+allBinders :: [Ident] -- a,b,..z, a1, b1,... z1, a2, b2,...
allBinders = [ identS [x] | x <- ['a'..'z'] ] ++
[ identS (x : show i) | i <- [1 :: Integer ..], x <- ['a'..'z']]
@@ -688,12 +688,12 @@ runTcM f = case unTcM f IntMap.empty [] of
TcFail (msg:msgs) -> do checkWarnings msgs; checkError msg
newMeta :: Scope -> Sigma -> TcM MetaId
-newMeta scope ty = TcM (\ms msgs ->
+newMeta scope ty = TcM (\ms msgs ->
let i = IntMap.size ms
in TcOk i (IntMap.insert i (Unbound scope ty) ms) msgs)
getMeta :: MetaId -> TcM MetaValue
-getMeta i = TcM (\ms msgs ->
+getMeta i = TcM (\ms msgs ->
case IntMap.lookup i ms of
Just mv -> TcOk mv ms msgs
Nothing -> TcFail (("Unknown metavariable" <+> ppMeta i) : msgs))
@@ -702,7 +702,7 @@ setMeta :: MetaId -> MetaValue -> TcM ()
setMeta i mv = TcM (\ms msgs -> TcOk () (IntMap.insert i mv ms) msgs)
newVar :: Scope -> Ident
-newVar scope = head [x | i <- [1..],
+newVar scope = head [x | i <- [1..],
let x = identS ('v':show i),
isFree scope x]
where
@@ -721,7 +721,7 @@ getMetaVars loc sc_tys = do
return (foldr go [] tys)
where
-- Get the MetaIds from a term; no duplicates in result
- go (Vr tv) acc = acc
+ go (Vr tv) acc = acc
go (App x y) acc = go x (go y acc)
go (Meta i) acc
| i `elem` acc = acc
@@ -741,7 +741,7 @@ getFreeVars loc sc_tys = do
tys <- mapM (\(scope,ty) -> zonkTerm =<< tc_value2term loc (scopeVars scope) ty) sc_tys
return (foldr (go []) [] tys)
where
- go bound (Vr tv) acc
+ go bound (Vr tv) acc
| tv `elem` bound = acc
| tv `elem` acc = acc
| otherwise = tv : acc
@@ -771,7 +771,7 @@ tc_value2term loc xs v =
-data TcA x a
+data TcA x a
= TcSingle (MetaStore -> [Message] -> TcResult a)
| TcMany [x] (MetaStore -> [Message] -> [(a,MetaStore,[Message])])