module C.FromGrin2(compileGrin) where
import Control.Monad.Identity
import Control.Monad.RWS(asks,tell,local,get,runRWST,RWST,MonadState(..),MonadWriter(..),MonadReader(..))
import Data.Char
import Data.List
import Data.Maybe
import Data.Monoid(Monoid(..))
import Data.DeriveTH
import System.FilePath
import Text.PrettyPrint.HughesPJ(nest,($$),fsep)
import qualified Data.ByteString.Lazy as LBS
import qualified Data.ByteString.UTF8 as BS
import qualified Data.Map as Map
import qualified Data.Set as Set
import qualified Text.PrettyPrint.HughesPJ as P
import C.FFI
import C.Generate
import C.Prims
import Cmm.Number
import Doc.DocLike
import Doc.PPrint
import Grin.Grin
import Grin.HashConst
import Grin.Noodle
import Grin.Show()
import Grin.Val
import Options
import PackedString
import StringTable.Atom
import Support.CanType
import Support.FreeVars
import Util.Gen
import Util.SetLike
import Util.UniqueMonad
import qualified Cmm.Op as Op
import qualified FlagOpts as FO
data Todo = TodoReturn | TodoExp [Expression] | TodoDecl Name Type | TodoNothing
data Written = Written {
wRequires :: Requires,
wStructures :: Map.Map Name Structure,
wTags :: Set.Set Atom,
wAllocs :: Set.Set (Atom,Int),
wEnums :: Map.Map Name Int,
wFunctions :: Map.Map Name Function
}
$(derive makeMonoid ''Written)
data TyRep
= TyRepRawTag
| TyRepUntagged
| TyRepRawVal !Bool
data Env = Env {
rTodo :: Todo,
rInscope :: Set.Set Name,
rStowed :: Set.Set Name,
rDeclare :: Bool,
rEMap :: Map.Map Atom (Name,[Expression]),
rCPR :: Map.Map Atom TyRep,
rConst :: Set.Set Atom,
rGrin :: Grin
}
rEMap_u f r@Env{rEMap = x} = r{rEMap = f x}
rInscope_u f r@Env{rInscope = x} = r{rInscope = f x}
newtype C a = C (RWST Env Written HcHash Uniq a)
deriving(Monad,UniqueProducer,MonadState HcHash,MonadWriter Written,MonadReader Env,Functor)
runC :: Grin -> C a -> ((a,HcHash,Written),Map.Map Atom TyRep)
runC grin (C m) = (execUniq1 (runRWST m startEnv emptyHcHash),ityrep) where
TyEnv tmap = grinTypeEnv grin
ityrep = Map.mapMaybeWithKey tyRep (fromDistinctAscList $ Util.SetLike.toList tmap)
startEnv = Env {
rCPR = ityrep,
rGrin = grin,
rStowed = Set.empty,
rDeclare = False,
rTodo = TodoExp [],
rEMap = mempty,
rConst = Map.keysSet $ Map.filter isConst ityrep,
rInscope = mempty
}
isConst TyRepRawVal {} = True
isConst TyRepRawTag {} = True
isConst _ = False
tyRep k _ | k == cChar = Just $ TyRepRawVal False
tyRep k _ | not (fopts FO.FullInt), k == cWord = Just $ TyRepRawVal False
tyRep k _ | not (fopts FO.FullInt), k == cInt = Just $ TyRepRawVal True
tyRep k TyTy { tySlots = [s], tySiblings = Just [k'] } | k == k', good s = Just $ TyRepRawVal False
tyRep k tyty | null (tySlots tyty) = Just TyRepRawTag
tyRep k tyty | Just xs <- tySiblings tyty, all triv [ x | x <- xs, x /= k] = Just TyRepUntagged where
triv x = case mlookup x tmap of
Just t -> null (tySlots t)
Nothing -> False
tyRep _ _ = Nothing
good s = isJust $ do
ct <- Op.toCmmTy s
b <- Op.cmmTyBits ct
guard $ b <= 30
Op.HintNone <- Op.cmmTyHint ct
return ()
tellFunctions :: [Function] -> C ()
tellFunctions fs = tell mempty { wFunctions = Map.fromList $ map (\x -> (functionName x,x)) fs }
localTodo :: Todo -> C a -> C a
localTodo todo (C act) = C $ local (\ r -> r { rTodo = todo }) act
compileGrin :: Grin -> (LBS.ByteString,Requires)
compileGrin grin = (LBS.fromChunks code, req) where
code = [
BS.fromString "#include \"jhc_rts_header.h\"\n",
BS.fromString $ P.render ans,
BS.fromString "\n"
]
ans = vcat [
vcat jgcs,
vcat includes,
text "",
enum_tag_t,
header,
cafs,
buildConstants cpr grin finalHcHash,
text "",
nh_stuff,
text "",
body
]
jgcs | fopts FO.Jgc = text "struct s_caches_pub {" : ( [text " struct s_cache *" <> tshow (nodeCacheName m) <> char ';' | (m,_) <- Set.toList wAllocs] ++ text "};" )
| otherwise = empty
fromRequires (Requires s) = map (unpackPS . snd) (Set.toList s)
nh_stuff = text "const void * const nh_stuff[] = {" $$ fsep (punctuate (char ',') (cafnames ++ constnames ++ [text "NULL"])) $$ text "};"
includes = map include (filter ((".h" ==) . takeExtension) $ fromRequires req)
include fn = text "#include <" <> text fn <> text ">"
(header,body) = generateC (function (name "jhc_hs_init") voidType (mgct []) [Public] icaches:Map.elems fm) (Map.elems sm)
icaches :: Statement
icaches | fopts FO.Jgc =
mconcat $ [toStatement $ f_alloc_pubcache (toExpression . name $ "arena") (sizeof . structType . name $ "s_caches_pub")] ++
[toStatement $ functionCall (name "find_cache") [
reference . toExpression . pub_cache . nodeCacheName $ t,
toExpression . name $ "arena",
tbsize . sizeof . structType . nodeStructName $ t,
toExpression nptrs]
| (t,nptrs) <- Set.toList wAllocs ]
| otherwise = mempty
cafnames = [ text "&_" <> tshow (varName v) | (v,_) <- grinCafs grin ]
constnames = map (\n -> text "&_c" <> tshow n) [ 1 .. length $ Grin.HashConst.toList finalHcHash]
((cafs',finalHcHash,Written { wRequires = req, wFunctions = fm, wEnums = wenum, wStructures = sm, wTags = ts, .. }),cpr) = runC grin $ go >> mapM convertCAF (grinCafs grin)
enum_tag_t | null enums = mempty
| otherwise = text "enum {" $$ nest 4 (P.vcat (punctuate P.comma $ enums)) $$ text "};"
where
f t n = tshow t <> text " = " <> tshow (n :: Int)
enums = map (uncurry f) (Map.toList wenum) ++ (zipWith f (Set.toList (Set.map nodeTagName ts)) [0 ..])
go = do
funcs <- liftM concat $ flip mapM (grinFuncs grin) $ \(a,l) -> do
convertFunc (mlookup a (grinEntryPoints grin)) (a,l)
tellFunctions funcs
h <- get
let tset = Set.fromList [ n | (HcNode n (_:_),_) <- hconsts]
tset' = Set.fromList [ n | (HcNode n [],_) <- hconsts]
hconsts = Grin.HashConst.toList h
mapM_ tellAllTags [ v | (HcNode _ vs,_) <- hconsts, Left v <- vs]
mapM_ declareStruct (Set.toList tset)
mapM_ tellTags (Set.toList $ tset `mappend` tset')
cafs = text "/* CAFS */" $$ (vcat $ cafs')
convertCAF (v,val@(NodeC a [])) = do
en <- declareEvalFunc True a
let ef = drawG $ f_TO_FPTR (reference $ variable en)
let ts = text "/* " <> text (show v) <> text " = " <> (text $ P.render (pprint val)) <> text "*/\n" <>
text "static node_t _" <> tshow (varName v) <> text " = { .head = " <> ef <> text " };\n" <>
text "#define " <> tshow (varName v) <+> text "(MKLAZY_C(&_" <> tshow (varName v) <> text "))\n";
return ts
convertCAF _ = error "FromGrin2.compileGrin: bad."
convertFunc :: Maybe FfiExport -> (Atom,Lam) -> C [Function]
convertFunc ffie (n,as :-> body) = do
s <- localTodo TodoReturn (convertBody body)
let bt = getType body
mmalloc [TyINode] = [a_MALLOC]
mmalloc [TyNode] = [a_MALLOC]
mmalloc _ = []
ats = a_STD:mmalloc bt
fnname = nodeFuncName n
fr <- convertTypes bt
as' <- flip mapM (zip [1 :: Int .. ] as) $ \ (ix,(Var v t)) -> do
t' <- convertType t
return $ if v == v0 then (name $ 'u':show ix,t') else (varName v,t')
mstub <- case ffie of
Nothing -> return []
Just ~(FfiExport cn Safe CCall argTys retTy) -> do
newVars <- mapM (liftM (name . show) . newVar . basicType') argTys
let fnname2 = name cn
as2 = zip (newVars) (map basicType' argTys)
fr2 = basicType' retTy
g = if fopts FO.Jgc then localVariable gc_t (name "gc") =* nullPtr else mempty
a = if fopts FO.Jgc then localVariable arena_t (name "arena") =* nullPtr else mempty
ai = toStatement $ functionCall (name "jhc_alloc_init") $ mgcr []
hi = toStatement $ functionCall (name "jhc_hs_init") $ mgc []
fi = toStatement $ functionCall (name "jhc_alloc_fini") $ mgc []
funcall = functionCall fnname $ mgc $
zipWith cast (map snd as') (map variable newVars)
(callret,tmp) <- fr2 `newTmpVar` (cast fr2 $ funcall)
let call = if voidType == fr2 then toStatement $ funcall else callret
r = if voidType == fr2 then mempty else creturn tmp
return [function fnname2 fr2 as2 [Public]
(g & a & ai & hi & call & fi & r)]
return (function fnname fr (mgct as') ats s : mstub)
fetchVar :: Var -> Ty -> C Expression
fetchVar (V 0) _ = return $ noAssign (err "fetchVar v0")
fetchVar v@(V n) _ | n < 0 = return $ (variable $ varName v)
fetchVar v ty = do
t <- convertType ty
is <- asks rInscope
let n = varName v
dclare <- asks rDeclare
return $ (if v == v0 then noAssign else id) $ if not dclare then variable n else localVariable t n
fetchVar' :: Var -> Ty -> C (Name,Type)
fetchVar' (V n) _ | n < 0 = error "fetchVar': CAF"
fetchVar' v ty = do
t <- convertType ty
return $ (varName v,t)
convertVals :: [Val] -> C Expression
convertVals [] = return emptyExpression
convertVals [x] = convertVal x
convertVals xs = do
ts <- mapM convertType (map getType xs)
xs <- mapM convertVal xs
return (structAnon (zip xs ts))
convertVal :: Val -> C Expression
convertVal v = cvc v where
cvc v = convertConst v >>= maybe (cv v) return
cv (Var v ty) = fetchVar v ty
cv (Const h) = do
cpr <- asks rConst
case h of
NodeC a ts -> do
bn <- basicNode a ts
case bn of
Just bn -> return (cast sptr_t bn)
_ -> do
(_,i) <- newConst cpr h
return $ variable (name $ 'c':show i )
_ -> do
(_,i) <- newConst cpr h
return $ variable (name $ 'c':show i )
cv h@(NodeC a ts) | valIsConstant h = do
cpr <- asks rConst
bn <- basicNode a ts
case bn of
Just bn -> return bn
_ -> do
(_,i) <- newConst cpr h
return $ f_PROMOTE (variable (name $ 'c':show i ))
cv (ValPrim p [x] (TyPrim opty)) = do
x' <- convertVal x
case p of
Op (Op.UnOp n ta) r -> primUnOp n ta r x'
Op (Op.ConvOp n ta) r -> return $ castFunc n ta r x'
x -> return $ err ("convertVal: " ++ show x)
cv (ValPrim p [x,y] _) = do
x' <- convertVal x
y' <- convertVal y
case p of
Op (Op.BinOp n ta tb) r -> primBinOp n ta tb r x' y'
x -> return $ err ("convertVal: " ++ show x)
cv x = return $ err ("convertVal: " ++ show x)
convertTypes [] = return voidType
convertTypes [t] = convertType t
convertTypes xs = do
xs <- mapM convertType xs
return (anonStructType xs)
convertType TyNode = return wptr_t
convertType TyINode = return sptr_t
convertType (TyPtr TyINode) = return $ ptrType sptr_t
convertType (TyPtr TyNode) = return $ ptrType wptr_t
convertType ~(TyPrim opty) = return (opTyToC opty)
tyToC _ Op.TyBool = "bool"
tyToC dh (Op.TyComplex ty) = "_Complex " ++ tyToC dh ty
tyToC dh (Op.TyBits (Op.BitsExt s) _) = s
tyToC dh (Op.TyBits b h) = f b h where
f b Op.HintNone = f b dh
f b Op.HintUnsigned = case b of
(Op.Bits n) -> "uint" ++ show n ++ "_t"
(Op.BitsArch Op.BitsMax) -> "uintmax_t"
(Op.BitsArch Op.BitsPtr) -> "uintptr_t"
_ -> error "tyToC: unknown"
f b Op.HintSigned = case b of
(Op.Bits n) -> "int" ++ show n ++ "_t"
(Op.BitsArch Op.BitsMax) -> "intmax_t"
(Op.BitsArch Op.BitsPtr) -> "intptr_t"
_ -> error "tyToC: unknown"
f b Op.HintFloat = case b of
(Op.Bits 32) -> "float"
(Op.Bits 64) -> "double"
(Op.Bits 128) -> "__float128"
_ -> error "tyToC: unknown"
f _ _ = error "tyToC: unknown"
tyToC _ _ = error "FromGrin2.tToC: bad."
opTyToCh hint opty = basicType (tyToC hint opty)
opTyToC opty = basicType (tyToC Op.HintUnsigned opty)
opTyToC' opty = tyToC Op.HintUnsigned opty
localScope xs action = do
let fvs = freeVars xs
aas <- mapM (\ (v,t) -> do t <- convertType t ; return . toStatement $ localVariable t (varName v)) (filter ((v0 /=) . fst) $ Set.toList fvs)
local (rInscope_u $ Set.union (Set.map varName (freeVars xs))) (action . statementOOB $ mconcat aas)
iDeclare action = local (\e -> e { rDeclare = True }) action
convertBody :: Exp -> C Statement
convertBody Let { expDefs = defs, expBody = body } = do
u <- newUniq
nn <- flip mapM defs $ \FuncDef { funcDefName = name, funcDefBody = as :-> _ } -> do
vs' <- mapM convertVal as
let nm = (toName (show name ++ "_" ++ show u))
return (as,(name,(nm,vs')))
let done = (toName $ "done" ++ show u)
let localJumps xs action = localScope (fsts xs) $ \dcls -> local (rEMap_u (Map.fromList (snds xs) `mappend`)) (fmap (dcls &) action)
localJumps nn $ do
rs <- flip mapM defs $ \FuncDef { funcDefName = name, funcDefBody = as :-> b } -> do
ss <- convertBody b
return (annotate (show as) (label (toName (show name ++ "_" ++ show u))) & subBlock ss)
ss <- (convertBody body)
todo <- asks rTodo
case todo of
TodoReturn -> return (ss & mconcat rs);
_ -> return (ss & goto done & mconcat (intersperse (goto done) rs) & label done);
convertBody (e :>>= [] :-> e') = do
ss <- localTodo TodoNothing (convertBody e)
ss' <- convertBody e'
return (ss & ss')
convertBody (Return [v] :>>= [(NodeC t as)] :-> e') = nodeAssign v t as e'
convertBody (Case v [p1@([NodeC _ (_:_)] :-> _),p2@([NodeC _ []] :-> _)]) = convertBody $ Case v [p2,p1]
convertBody (Case v@(getType -> TyNode) [[p1@(NodeC t fps)] :-> e1,[p2] :-> e2]) = do
scrut <- convertVal v
cpr <- asks rConst
tellTags t
let da (Var v _) e | v == v0 = convertBody e
da v@Var {} e = do
v'' <- iDeclare $ convertVal v
e' <- convertBody e
return $ v'' =* scrut & e'
da n1@(NodeC t _) (Return [n2@NodeC {}]) | n1 == n2 = convertBody (Return [v])
da ~(NodeC t as) e = nodeAssign v t as e
am Var {} e = return e
am ~(NodeC t2 _) e = do
return $ annotate (show p2) e
tag = if null fps then f_FETCH_RAW_TAG scrut else f_FETCH_TAG scrut
ifscrut = if null fps then f_SET_RAW_TAG tenum `eq` scrut else tenum `eq` tag where
tenum = (constant $ enum (nodeTagName t))
p1' <- da p1 e1
p2' <- am p2 =<< da p2 e2
return $ cif ifscrut p1' p2'
convertBody (Case v [v1, v2@([Lit n _] :-> _)]) | n == 0 = convertBody (Case v [v2,v1])
convertBody (Case v@(getType -> t) [[p1] :-> e1, [p2] :-> e2]) | Set.null ((freeVars p2 :: Set.Set Var) `Set.intersection` freeVars e2) = do
scrut <- convertVal v
let cp ~(Lit i _) = constant (number $ fromIntegral i)
am e | isVar p2 = e
| otherwise = annotate (show p2) (f_assert ((cp p2) `eq` scrut) & e)
e1' <- convertBody e1
e2' <- convertBody e2
return $ cif (cp p1 `eq` scrut) e1' (am e2')
convertBody (Case v@(getType -> TyNode) ls) = do
scrut <- convertVal v
let tag = f_FETCH_TAG scrut
da ([(Var v _)] :-> e) | v == v0 = do
e' <- convertBody e
return $ (Nothing,e')
da ([v@(Var {})] :-> e) = do
v'' <- iDeclare $ convertVal v
e' <- convertBody e
return $ (Nothing,v'' =* scrut & e')
da ([n1@(NodeC t _)] :-> Return [n2@NodeC {}]) | n1 == n2 = do
tellTags t
e' <- convertBody (Return [v])
return (Just (enum (nodeTagName t)),e')
da (~[(NodeC t as)] :-> e) = do
tellTags t
declareStruct t
as' <- iDeclare $ mapM convertVal as
e' <- convertBody e
let tmp = concrete t scrut
ass = mconcat [if needed a then a' =* (project' (arg i) tmp) else mempty | a' <- as' | a <- as | i <- [(1 :: Int) ..] ]
fve = freeVars e
needed ~(Var v _) = v `Set.member` fve
return $ (Just (enum (nodeTagName t)), ass & e')
ls' <- mapM da ls
return $ switch' tag ls'
convertBody (Case v ls) = do
scrut <- convertVal v
let da ([(Var vv _)] :-> e) | vv == v0 = do
e' <- convertBody e
return (Nothing,e')
da ([v@(Var {})] :-> e) = do
v'' <- iDeclare $ convertVal v
e' <- convertBody e
return (Nothing,v'' =* scrut & e')
da (~[(Lit i _)] :-> e) = do
e' <- convertBody e
return $ (Just (number $ fromIntegral i), e')
ls' <- mapM da ls
return $ switch' scrut ls'
convertBody (Error s t) = do
x <- asks rTodo
let jerr | null s = toStatement $ functionCall (name "jhc_exit") [constant $ number 255]
| otherwise = toStatement $ functionCall (name "jhc_error") [string s]
let f (TyPtr _) = return nullPtr
f TyNode = return nullPtr
f TyINode = return nullPtr
f (TyPrim x) = return $ cast (opTyToC x) (constant $ number 0)
f x = return $ err ("error-type " ++ show x)
g [] = return emptyExpression
g [x] = f x
g xs = do ts <- mapM convertType xs; xs <- mapM f xs ; return $ structAnon (zip xs ts)
case x of
TodoNothing -> return jerr
TodoExp _ -> return jerr
TodoDecl {} -> return jerr
TodoReturn -> do
v <- g t
return (jerr & creturn v)
convertBody (BaseOp (StoreNode b) [n@NodeC {}]) = newNode region_heap (bool b wptr_t sptr_t) n >>= \(x,y) -> simpleRet y >>= \v -> return (x & v)
convertBody (BaseOp (StoreNode b) [n@NodeC {},region]) = newNode region (bool b wptr_t sptr_t) n >>= \(x,y) -> simpleRet y >>= \v -> return (x & v)
convertBody (e :>>= [(Var vn _)] :-> e') | vn == v0 = do
ss <- localTodo TodoNothing (convertBody e)
ss' <- convertBody e'
return (ss & ss')
convertBody (e :>>= [(Var vn' vt')] :-> e') | not (isCompound e) = do
(vn,vt) <- fetchVar' vn' vt'
ss <- localTodo (TodoDecl vn vt) (convertBody e)
ss' <- convertBody e'
return (ss & ss')
convertBody (e :>>= [v@(Var vn vt)] :-> e') = do
v' <- convertVal v
vt <- convertType vt
let sdecl = statementOOB $ toStatement (localVariable vt (varName vn))
ss <- localTodo (TodoExp [v']) (convertBody e)
ss' <- convertBody e'
return (sdecl & ss & ss')
convertBody (e :>>= xs@(_:_:_) :-> e') = do
ts <- mapM (convertType . getType) xs
(dcl,st) <- newDeclVar (anonStructType ts)
vs <- iDeclare $ mapM convertVal xs
ss <- localTodo (TodoExp [st]) (convertBody e)
ss' <- convertBody e'
return $ dcl & ss & mconcat [ v =* projectAnon i st | v <- vs | i <- [0..] ] & ss'
convertBody (BaseOp PokeVal [Index base off,z]) = do
base <- convertVal base
off <- convertVal off
z' <- convertVal z
return $ indexArray base off =* z'
convertBody (BaseOp PokeVal [base,z]) = do
base <- convertVal base
z' <- convertVal z
return $ indexArray base (constant $ number 0) =* z'
convertBody (BaseOp PeekVal [Index base off]) | getType base == TyPtr tyINode = do
base <- convertVal base
off <- convertVal off
simpleRet (indexArray base off)
convertBody (BaseOp (Coerce ty) [v]) = do
v <- convertVal v
ty <- convertType ty
simpleRet $ cast ty v
convertBody (GcRoots vs b) = do
vs <- mapM convertVal vs
b' <- convertBody b
return $ subBlock (gc_roots vs & b')
convertBody (BaseOp Promote [v]) | getType v == tyINode = simpleRet =<< f_promote `liftM` convertVal v
convertBody (BaseOp Demote [n@Var {}]) | getType n == tyDNode = simpleRet =<< f_demote `liftM` convertVal n
convertBody (Return []) = simpleRet emptyExpression
convertBody (Return [v]) = simpleRet =<< convertVal v
convertBody (Return xs@(_:_:_)) = do
t <- asks rTodo
case t of
TodoExp [e] -> do
xs <- mapM convertVal xs
ss <- forMn xs $ \ (v,i) -> return (projectAnon i e =* v)
return (mconcat ss)
_ -> simpleRet =<< convertVals xs
convertBody e = do
x <- asks rTodo
(ss,er) <- convertExp e
r <- simpleRet er
return (ss & r)
simpleRet er = do
x <- asks rTodo
case x of
TodoReturn -> return (creturn er)
_ | isEmptyExpression er -> return mempty
TodoNothing -> return (toStatement er)
TodoExp [v] -> return (v =* er)
TodoDecl n t -> do newAssignVar t n er
TodoExp [] -> return $ toStatement er
_ -> error "simpleRet: odd rTodo"
nodeAssign :: Val -> Atom -> [Val] -> Exp -> C Statement
nodeAssign v t as e' = do
cpr <- asks rCPR
v' <- convertVal v
case mlookup t cpr of
Just (TyRepRawVal signed) -> do
[arg] <- return as
t <- convertType $ getType arg
arg' <- iDeclare $ convertVal arg
let s = arg' =* cast t (if signed then f_RAW_GET_F v' else f_RAW_GET_UF v')
ss <- convertBody e'
return $ s & ss
_ -> do
declareStruct t
as' <- iDeclare $ mapM convertVal as
let ass = concat [perhapsM (a `Set.member` fve) $ a' =* (project' (arg i) (concrete t v')) | a' <- as' | Var a _ <- as | i <- [( 1 :: Int) ..] ]
fve = freeVars e'
ss' <- convertBody e'
return $ mconcat ass & ss'
isCompound BaseOp {} = False
isCompound Return {} = False
isCompound Prim {} = False
isCompound _ = True
mgc = if fopts FO.Jgc then ([v_gc, v_arena] ++) else id
mgcr = if fopts FO.Jgc then ([reference v_gc, reference v_arena] ++) else id
mgct = if fopts FO.Jgc then ([(name "gc",gc_t), (name "arena",arena_t)] ++) else id
convertExp :: Exp -> C (Statement,Expression)
convertExp (Prim Func { primArgTypes = as, primRetType = r, primRetArgs = rs@(_:_), ..} vs ty) = do
tell mempty { wRequires = primRequires }
vs' <- mapM convertVal vs
rt <- mapM convertType ty
ras <- mapM (newVar . basicType') rs
(stmt,rv) <- basicType' r `newTmpVar` (functionCall (name $ unpackPS funcName) ([ cast (basicType' t) v | v <- vs' | t <- as ] ++ map reference ras))
return $ (stmt, structAnon (zip (rv:ras) rt))
convertExp (Prim Func { primRetArgs = [], .. } vs ty) = do
tell mempty { wRequires = primRequires }
vs' <- mapM convertVal vs
rt <- convertTypes ty
let addgc = if primSafety == JhcContext && fopts FO.Jgc then mgc else id
fcall = cast rt (functionCall (name $ unpackPS funcName) $ addgc [ cast (basicType' t) v | v <- vs' | t <- primArgTypes ])
return (mempty, fcall)
convertExp (Prim p vs ty) = do
tell mempty { wRequires = primReqs p }
e <- convertPrim p vs ty
return (mempty,e)
convertExp (BaseOp Eval [v]) = do
v' <- convertVal v
return (mempty,f_eval v')
convertExp (BaseOp GcTouch _) = do
return (mempty, emptyExpression)
convertExp (App a vs _) = do
lm <- asks rEMap
vs' <- mapM convertVal vs
case a `mlookup` lm of
Just (nm,as) -> do
let ss = [ a =* v | a <- as | v <- vs' ]
return (mconcat ss & goto nm, emptyExpression)
Nothing -> return $ (mempty, functionCall (toName (fromAtom a)) (mgc vs'))
convertExp (BaseOp Overwrite [v@(Var vv _),tn@(NodeC t as)]) | getType v == TyINode = do
v' <- convertVal v
as' <- mapM convertVal as
nt <- nodeTypePtr t
let tmp' = cast nt (f_FROM_SPTR v')
if not (tagIsSuspFunction t) && vv < v0 then do
(nns, nn) <- newNode region_heap fptr_t tn
return (nns & getHead (f_NODEP(f_FROM_SPTR v')) =* nn,emptyExpression)
else do
s <- tagAssign tmp' t
let ass = [project' (arg i) tmp' =* a | a <- as' | i <- [(1 :: Int) ..] ]
return (mconcat $ s:ass,emptyExpression)
convertExp Alloc { expValue = v, expCount = c, expRegion = r }
| r == region_heap, TyINode == getType v = do
v' <- convertVal v
c' <- convertVal c
(malloc,tmp) <- jhc_malloc_ptrs c' =:: ptrType sptr_t
fill <- case v of
ValUnknown _ -> return mempty
_ -> do
i <- newVar (basicType "int")
return $ forLoop i (expressionRaw "0") c' $ indexArray tmp i =* v'
return (malloc `mappend` fill, tmp)
convertExp Alloc { expValue = v, expCount = c, expRegion = r } |
r == region_atomic_heap, TyPrim Op.bits_ptr == getType v = do
v' <- convertVal v
c' <- convertVal c
(malloc,tmp) <- jhc_malloc_atomic c' =:: ptrType uintptr_t
fill <- case v of
ValUnknown _ -> return mempty
_ -> do
i <- newVar (basicType "int")
return $ forLoop i (expressionRaw "0") c' $ indexArray tmp i =* v'
return (malloc `mappend` fill, tmp)
convertExp e = return (err (show e),err "nothing")
buildConstants cpr grin fh = P.vcat (map cc (Grin.HashConst.toList fh)) where
comm nn = text "/* " <> tshow (nn) <> text " */"
cc nn@(HcNode a zs,i) = comm nn $$ cd $$ def where
cd = text "static const struct" <+> tshow (nodeStructName a) <+> text "_c" <> tshow i <+> text "= {" <> hsep (punctuate P.comma (ntag ++ rs)) <> text "};"
ntag = case mlookup a cpr of
Just _ -> []
_ -> [text ".what =" <+> text "(what_t)SET_RAW_TAG(" <> tshow (nodeTagName a) <> text ")"]
def = text "#define c" <> tshow i <+> text "(TO_SPTR_C(P_WHNF, (sptr_t)&_c" <> tshow i <> text "))"
rs = [ f z i | (z,i) <- zip zs [ 1 :: Int .. ]]
f (Right i) a = text ".a" <> tshow a <+> text "=" <+> text ('c':show i)
f (Left (Var n _)) a = text ".a" <> tshow a <+> text "=" <+> tshow (varName n)
f (Left v) a = text ".a" <> tshow a <+> text "=" <+> text (show $ drawG e) where
Just e = fst3 . fst . runC grin $ convertConst v
convertConst :: Val -> C (Maybe Expression)
convertConst (NodeC n as) | all valIsConstant as = basicNode n as
convertConst (Const (NodeC n as)) = fmap (fmap $ cast sptr_t) $ basicNode n as
convertConst v = return (f v) where
f :: Val -> Maybe Expression
f (Lit i (TyPrim Op.TyBool)) = return $ toExpression (i /= 0)
f (Lit i (TyPrim (Op.TyBits _ Op.HintFloat))) = return (constant $ floating (realToFrac i))
f (Lit i _) = return (constant $ number (fromIntegral i))
f (ValPrim p [] ty) = case p of
CConst _ s -> return $ expressionRaw $ unpackPS s
AddrOf _ t -> do rt <- convertType ty; return . cast rt $ expressionRaw ('&':unpackPS t)
PrimTypeInfo { primArgTy = arg, primTypeInfo = PrimSizeOf } ->
return $ expressionRaw ("sizeof(" ++ tyToC Op.HintUnsigned arg ++ ")")
PrimTypeInfo { primArgTy = arg, primTypeInfo = PrimMinBound } ->
return $ expressionRaw ("prim_minbound(" ++ tyToC Op.HintUnsigned arg ++ ")")
PrimTypeInfo { primArgTy = arg, primTypeInfo = PrimMaxBound } ->
return $ expressionRaw ("prim_maxbound(" ++ tyToC Op.HintUnsigned arg ++ ")")
PrimTypeInfo { primArgTy = arg, primTypeInfo = PrimUMaxBound } ->
return $ expressionRaw ("prim_umaxbound(" ++ tyToC Op.HintUnsigned arg ++ ")")
PrimString s -> return $ cast (basicType "uintptr_t") (expressionRaw (show s))
x -> return $ err (show x)
f (ValPrim p [x] (TyPrim opty)) = do
x' <- f x
case p of
Op (Op.UnOp n ta) r -> primUnOp n ta r x'
Op (Op.ConvOp n ta) r -> return $ castFunc n ta r x'
x -> return $ err (show x)
f (ValPrim p [x,y] _) = do
x' <- f x
y' <- f y
case p of
Op (Op.BinOp n ta tb) r -> primBinOp n ta tb r x' y'
x -> return $ err (show x)
f x = fail "f"
convertPrim p vs ty
| (CConst _ s) <- p = do
return $ expressionRaw $ unpackPS s
| Op {} <- p = do
let [rt] = ty
convertVal (ValPrim p vs rt)
| (IFunc _ as r) <- p = do
v':vs' <- mapM convertVal vs
rt <- convertTypes ty
let fn = cast (funPtrType (basicType' r) (map basicType' as)) v'
return $ cast (rt) (indirectFunctionCall fn [ cast (basicType' t) v | v <- vs' | t <- as ])
| (Peek t) <- p, [v] <- vs = do
v' <- convertVal v
return $ expressionRaw ("*((" <> (opTyToC' t) <+> "*)" <> (parens $ renderG v') <> char ')')
| (Poke t) <- p, [v,x] <- vs = do
v' <- convertVal v
x' <- convertVal x
return $ expressionRaw ("*((" <> (opTyToC' t) <+> "*)" <> (parens $ renderG v') <> text ") = " <> renderG x')
| (AddrOf _ t) <- p, [] <- vs = do
rt <- convertTypes ty
return . cast rt $ expressionRaw ('&':unpackPS t)
| otherwise = return $ err ("prim: " ++ show (p,vs))
signedOps = [
(Op.Quot,"/"),
(Op.Rem,"%"),
(Op.Shra,">>"),
(Op.Gt,">"),
(Op.Lt,"<"),
(Op.Gte,">="),
(Op.Lte,"<=")
]
floatOps = [
(Op.FDiv,"/"),
(Op.FAdd,"+"),
(Op.FSub,"-"),
(Op.FMul,"*"),
(Op.FEq,"=="),
(Op.FNEq,"!="),
(Op.FGt,">"),
(Op.FLt,"<"),
(Op.FGte,">="),
(Op.FLte,"<=")
]
binopSigned :: Op.BinOp -> Maybe String
binopSigned b = lookup b signedOps
castSigned ty v = return $ cast (basicType $ tyToC Op.HintSigned ty) v
primBinOp n ta tb r a b
| Just fn <- Op.binopFunc ta tb n = return $ functionCall (toName fn) [a,b]
| Just (t,_) <- Op.binopInfix n = return $ operator t a b
| Just t <- binopSigned n = do
a <- castSigned ta a
b <- castSigned tb b
return $ operator t a b
| Just t <- lookup n floatOps = return $ operator t a b
| otherwise = return $ err ("primBinOp: " ++ show ((n,ta,tb,r),a,b))
primUnOp Op.Neg ta r a = do
a <- castSigned ta a
return $ uoperator "-" a
primUnOp Op.Com ta r a = do return $ uoperator "~" a
primUnOp Op.FNeg ta r a = do return $ uoperator "-" a
primUnOp op ta r a | Just fn <- Op.unopFloat ta op = return $ functionCall (toName fn) [a]
primUnOp n ta r a
| otherwise = return $ err ("primUnOp: " ++ show ((n,ta,r),a))
tagAssign :: Expression -> Atom -> C Statement
tagAssign e t | tagIsSuspFunction t = do
en <- declareEvalFunc False t
return $ getHead e =* f_TO_FPTR (reference (variable en))
tagAssign e t = do
cpr <- asks rCPR
declareStruct t
tyenv <- asks (grinTypeEnv . rGrin)
case mlookup t cpr of
Just _ -> return mempty
_ -> do
tellTags t
return . toStatement $ f_SET_MEM_TAG e (constant (enum $ nodeTagName t))
tellAllTags :: Val -> C ()
tellAllTags (NodeC n vs) = tellTags n >> mapM_ tellAllTags vs
tellAllTags n = mapValVal tt n >> return () where
tt v = tellAllTags v >> return v
tellTags :: Atom -> C ()
tellTags t | tagIsSuspFunction t = return ()
tellTags t = do
tyenv <- asks (grinTypeEnv . rGrin)
TyTy { tySiblings = sib } <- findTyTy tyenv t
case sib of
Just rs -> tell mempty { wEnums = Map.fromList (zip (map nodeTagName rs) [0..]) }
Nothing -> tell mempty { wTags = Set.singleton t }
newNode region ty ~(NodeC t as) = do
let sf = tagIsSuspFunction t
bn <- basicNode t as
cpr <- asks rCPR
case bn of
Just e -> return (mempty,if ty == wptr_t then e else cast ty e)
Nothing -> do
st <- nodeType t
as' <- mapM convertVal as
let wmalloc | fopts FO.Jgc = \_ -> functionCall (name "s_alloc") [toExpression $ name "gc", toExpression $ name "arena", toExpression . pub_cache . nodeCacheName $ t]
| otherwise = jhc_malloc (reference (toExpression $ nodeCacheName t)) nptrs'
nptrs = length (filter (not . nonPtr . getType) as) + if sf then 1 else 0
nptrs' = if nptrs > 0 && not sf && t `Map.notMember` cpr then nptrs + 1 else nptrs
malloc = wmalloc (sizeof st)
nonPtr TyPtr {} = False
nonPtr TyNode = False
nonPtr TyINode = False
nonPtr _ = True
(dtmp,tmp) <- case region == region_stack of
True -> do
v <- newVar st
return (mempty,reference v)
False -> do
tell mempty { wAllocs = Set.singleton (t,nptrs') }
ty `newTmpVar` malloc
let tmp' = concrete t tmp
ass = [ if isValUnknown aa then mempty else project' i tmp' =* a | a <- as' | aa <- as | i <- map arg [(1 :: Int) ..] ]
tagassign <- tagAssign tmp' t
let res = if sf then (f_MKLAZY tmp) else tmp
return (mconcat $ dtmp:tagassign:ass,res)
declareStruct n = do
grin <- asks rGrin
cpr <- asks rCPR
let TyTy { tySlots = ts, tySiblings = ss } = runIdentity $ findTyTy (grinTypeEnv grin) n
ts' <- mapM convertType ts
let (dis,needsDis) | tagIsSuspFunction n = ([(name "head",fptr_t)],False)
| null ts = ([],False)
| Just TyRepUntagged <- mlookup n cpr = ([],False)
| Just [n'] <- ss, n == n' = ([],False)
| otherwise = ([],True)
fields = (dis ++ zip [ name $ 'a':show i | i <- [(1 :: Int) ..] ] ts')
theStruct = basicStructure {
structureName = nodeStructName n,
structureFields = fields,
structureAligned = True,
structureHasDiscriminator = not $ null dis,
structureNeedsDiscriminator = needsDis
}
unless (null fields) $ tell mempty { wStructures = Map.singleton (structureName theStruct) theStruct }
basicNode :: Atom -> [Val] -> C (Maybe Expression)
basicNode a _ | tagIsSuspFunction a = return Nothing
basicNode a [] = do tellTags a ; return . Just $ (f_SET_RAW_TAG (constant $ enum (nodeTagName a)))
basicNode a [v] = do
cpr <- asks rCPR
case mlookup a cpr of
Just (TyRepRawVal signed) -> case v of
Lit i ty | a == cChar, Just c <- ch -> return $ Just (f_RAW_SET_UF (toExpression c)) where
ch = do
c <- toIntegral i
guard $ c >= ord minBound && c <= ord maxBound
c <- return $ chr c
guard $ isPrint c && isAscii c
return c
_ -> do
v <- convertVal v
return $ Just (if signed then f_RAW_SET_F v else f_RAW_SET_UF v)
_ -> return Nothing
basicNode _ _ = return Nothing
instance Op.ToCmmTy Ty where
toCmmTy (TyPrim p) = Just p
toCmmTy _ = Nothing
declareEvalFunc isCAF n = do
fn <- tagToFunction n
grin <- asks rGrin
declareStruct n
nt <- nodeType n
let ts = runIdentity $ findArgs (grinTypeEnv grin) n
fname = toName $ "E_" ++ show fn
aname = name "arg"
rvar = localVariable wptr_t (name "r")
atype = ptrType nt
body = rvar =* functionCall (toName (show $ fn)) (mgc [ project' (arg i) (variable aname) | _ <- ts | i <- [(1 :: Int) .. ] ])
update = f_update (variable aname) rvar
addroot = if isCAF && fopts FO.Jgc then f_gc_add_root (cast sptr_t rvar) else emptyExpression
body' = if not isCAF && fopts FO.Jgc then subBlock (gc_roots [f_MKLAZY(variable aname)] & rest) else rest
rest = body & update & addroot & creturn rvar
tellFunctions [function fname wptr_t (mgct [(aname,atype)]) [a_STD, a_FALIGNED] body']
return fname
castFunc :: Op.ConvOp -> Op.Ty -> Op.Ty -> Expression -> Expression
castFunc co ta tb e | ta == tb = e
castFunc co _ Op.TyBool e = cast (basicType "bool") e
castFunc co Op.TyBool tb e = cast (opTyToC tb) e
castFunc Op.Lobits _ tb e = cast (opTyToC tb) e
castFunc Op.U2U _ tb e = cast (opTyToC tb) e
castFunc Op.Zx _ tb e = cast (opTyToC tb) e
castFunc Op.I2I tf tb e = cast (opTyToCh Op.HintSigned tb) (cast (opTyToCh Op.HintSigned tf) e)
castFunc Op.Sx tf tb e = cast (opTyToCh Op.HintSigned tb) (cast (opTyToCh Op.HintSigned tf) e)
castFunc Op.F2I tf tb e = cast (opTyToCh Op.HintSigned tb) e
castFunc Op.I2F tf tb e = cast (opTyToC tb) (cast (opTyToCh Op.HintSigned tf) e)
castFunc _ _ tb e = cast (opTyToC tb) e
gc_roots vs = case length vs of
lvs -> functionCall (name "gc_frame0") (v_gc:constant (number (fromIntegral lvs)):vs)
tbsize sz = functionCall (name "TO_BLOCKS") [sz]
jhc_malloc_atomic sz | fopts FO.Jgc = functionCall (name "gc_array_alloc_atomic") [v_gc, v_arena, nullPtr, sz, toExpression (0::Int)]
| otherwise = jhc_malloc nullPtr (0::Int) (sizeof sptr_t *# sz)
jhc_malloc ntn nptrs sz | fopts FO.Jgc = functionCall (name "gc_alloc") [v_gc, v_arena, ntn, tbsize sz, toExpression nptrs]
jhc_malloc _ 0 sz = functionCall (name "jhc_malloc_atomic") [sz]
jhc_malloc _ _ sz = functionCall (name "jhc_malloc") [sz]
jhc_malloc_ptrs sz | fopts FO.Jgc = functionCall (name "gc_array_alloc") [v_gc, v_arena, sz]
jhc_malloc_ptrs sz = functionCall (name "jhc_malloc") [sizeof sptr_t *# sz]
f_assert e = functionCall (name "assert") [e]
f_FROM_SPTR e = functionCall (name "FROM_SPTR") [e]
f_NODEP e = functionCall (name "NODEP") [e]
f_RAW_SET_F e = functionCall (name "RAW_SET_F") [e]
f_RAW_SET_UF e = functionCall (name "RAW_SET_UF") [e]
f_RAW_GET_F e = functionCall (name "RAW_GET_F") [e]
f_RAW_GET_UF e = functionCall (name "RAW_GET_UF") [e]
f_MKLAZY e = functionCall (name "MKLAZY") [e]
f_TO_FPTR e = functionCall (name "TO_FPTR") [e]
f_eval e = functionCall (name "eval") (mgc [e])
f_gc_add_root e = functionCall (name "gc_add_root") (mgc [e])
f_promote e = functionCall (name "promote") [e]
f_PROMOTE e = functionCall (name "PROMOTE") [e]
f_FETCH_TAG e = functionCall (name "FETCH_TAG") [e]
f_FETCH_RAW_TAG e = functionCall (name "FETCH_RAW_TAG") [e]
f_SET_RAW_TAG e = functionCall (name "SET_RAW_TAG") [e]
f_SET_MEM_TAG e v = functionCall (name "SET_MEM_TAG") [e,v]
f_demote e = functionCall (name "demote") [e]
f_update x y = functionCall (name "update") [x,y]
f_alloc_pubcache a s = functionCall (name "alloc_public_caches") [a,s]
arg i = name $ 'a':show i
varName (V n) | n < 0 = name $ 'g':show ( n)
varName (V n) = name $ 'v':show n
nodeTagName :: Atom -> Name
nodeTagName a = toName (fromAtom a)
nodeFuncName :: Atom -> Name
nodeFuncName a = toName (fromAtom a)
sptr_t = basicGCType "sptr_t"
uintptr_t = basicGCType "uintptr_t"
fptr_t = basicGCType "fptr_t"
wptr_t = basicGCType "wptr_t"
gc_t = basicGCType "gc_t"
arena_t = basicGCType "arena_t"
v_gc = variable (name "gc")
v_arena = variable (name "arena")
pub_cache n = project' n $ functionCall (name "public_caches") [variable (name "arena")]
a_STD = Attribute "A_STD"
a_FALIGNED = Attribute "A_FALIGNED"
a_MALLOC = Attribute "A_MALLOC"
concrete :: Atom -> Expression -> Expression
concrete t e = cast (ptrType $ structType (nodeStructName t)) e
getHead :: Expression -> Expression
getHead e = project' (name "head") e
nodeTypePtr a = liftM ptrType (nodeType a)
nodeType a = return $ structType (nodeStructName a)
nodeStructName :: Atom -> Name
nodeStructName a = toName ('s':fromAtom a)
nodeCacheName a = toName ('c':fromAtom a)
bool b x y = if b then x else y
x =:: y = newTmpVar y x
basicType' :: ExtType -> Type
basicType' b = basicType (show b)