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module PGF.Binary where
import PGF.CId
import PGF.Data
import PGF.Optimize
import Data.Binary
import Data.Binary.Put
import Data.Binary.Get
import Data.Array.IArray
import qualified Data.ByteString as BS
import qualified Data.Map as Map
import qualified Data.IntMap as IntMap
import qualified Data.Set as Set
import Control.Monad
pgfMajorVersion, pgfMinorVersion :: Word16
(pgfMajorVersion, pgfMinorVersion) = (1,0)
instance Binary PGF where
put pgf = do putWord16be pgfMajorVersion
putWord16be pgfMinorVersion
put (gflags pgf)
put (absname pgf, abstract pgf)
put (concretes pgf)
get = do v1 <- getWord16be
v2 <- getWord16be
gflags <- get
(absname,abstract) <- get
concretes <- get
return $ updateProductionIndices $
(PGF{ gflags=gflags
, absname=absname, abstract=abstract
, concretes=concretes
})
instance Binary CId where
put (CId bs) = put bs
get = liftM CId get
instance Binary Abstr where
put abs = put (aflags abs,
fmap (\(w,x,y,z,_) -> (w,x,y,z)) (funs abs),
fmap (\(x,y,_) -> (x,y)) (cats abs))
get = do aflags <- get
funs <- get
cats <- get
return (Abstr{ aflags=aflags
, funs=fmap (\(w,x,y,z) -> (w,x,y,z,0)) funs
, cats=fmap (\(x,y) -> (x,y,0)) cats
, code=BS.empty
})
instance Binary Concr where
put cnc = do put (cflags cnc)
put (printnames cnc)
putArray2 (sequences cnc)
putArray (cncfuns cnc)
put (lindefs cnc)
put (productions cnc)
put (cnccats cnc)
put (totalCats cnc)
get = do cflags <- get
printnames <- get
sequences <- getArray2
cncfuns <- getArray
lindefs <- get
productions <- get
cnccats <- get
totalCats <- get
return (Concr{ cflags=cflags, printnames=printnames
, sequences=sequences, cncfuns=cncfuns, lindefs=lindefs
, productions=productions
, pproductions = IntMap.empty
, lproductions = Map.empty
, lexicon = IntMap.empty
, cnccats=cnccats, totalCats=totalCats
})
instance Binary Alternative where
put (Alt v x) = put (v,x)
get = liftM2 Alt get get
instance Binary Expr where
put (EAbs b x exp) = putWord8 0 >> put (b,x,exp)
put (EApp e1 e2) = putWord8 1 >> put (e1,e2)
put (ELit l) = putWord8 2 >> put l
put (EMeta i) = putWord8 3 >> put i
put (EFun f) = putWord8 4 >> put f
put (EVar i) = putWord8 5 >> put i
put (ETyped e ty) = putWord8 6 >> put (e,ty)
put (EImplArg e) = putWord8 7 >> put e
get = do tag <- getWord8
case tag of
0 -> liftM3 EAbs get get get
1 -> liftM2 EApp get get
2 -> liftM ELit get
3 -> liftM EMeta get
4 -> liftM EFun get
5 -> liftM EVar get
6 -> liftM2 ETyped get get
7 -> liftM EImplArg get
_ -> decodingError
instance Binary Patt where
put (PApp f ps) = putWord8 0 >> put (f,ps)
put (PVar x) = putWord8 1 >> put x
put (PAs x p) = putWord8 2 >> put (x,p)
put PWild = putWord8 3
put (PLit l) = putWord8 4 >> put l
put (PImplArg p) = putWord8 5 >> put p
put (PTilde p) = putWord8 6 >> put p
get = do tag <- getWord8
case tag of
0 -> liftM2 PApp get get
1 -> liftM PVar get
2 -> liftM2 PAs get get
3 -> return PWild
4 -> liftM PLit get
5 -> liftM PImplArg get
6 -> liftM PTilde get
_ -> decodingError
instance Binary Equation where
put (Equ ps e) = put (ps,e)
get = liftM2 Equ get get
instance Binary Type where
put (DTyp hypos cat exps) = put (hypos,cat,exps)
get = liftM3 DTyp get get get
instance Binary BindType where
put Explicit = putWord8 0
put Implicit = putWord8 1
get = do tag <- getWord8
case tag of
0 -> return Explicit
1 -> return Implicit
_ -> decodingError
instance Binary CncFun where
put (CncFun fun lins) = put fun >> putArray lins
get = liftM2 CncFun get getArray
instance Binary CncCat where
put (CncCat s e labels) = do put (s,e)
putArray labels
get = liftM3 CncCat get get getArray
instance Binary Symbol where
put (SymCat n l) = putWord8 0 >> put (n,l)
put (SymLit n l) = putWord8 1 >> put (n,l)
put (SymVar n l) = putWord8 2 >> put (n,l)
put (SymKS ts) = putWord8 3 >> put ts
put (SymKP d vs) = putWord8 4 >> put (d,vs)
get = do tag <- getWord8
case tag of
0 -> liftM2 SymCat get get
1 -> liftM2 SymLit get get
2 -> liftM2 SymVar get get
3 -> liftM SymKS get
4 -> liftM2 (\d vs -> SymKP d vs) get get
_ -> decodingError
instance Binary PArg where
put (PArg hypos fid) = put (map snd hypos,fid)
get = get >>= \(hypos,fid) -> return (PArg (zip (repeat fidVar) hypos) fid)
instance Binary Production where
put (PApply ruleid args) = putWord8 0 >> put (ruleid,args)
put (PCoerce fcat) = putWord8 1 >> put fcat
get = do tag <- getWord8
case tag of
0 -> liftM2 PApply get get
1 -> liftM PCoerce get
_ -> decodingError
instance Binary Literal where
put (LStr s) = putWord8 0 >> put s
put (LInt i) = putWord8 1 >> put i
put (LFlt d) = putWord8 2 >> put d
get = do tag <- getWord8
case tag of
0 -> liftM LStr get
1 -> liftM LInt get
2 -> liftM LFlt get
_ -> decodingError
putArray :: (Binary e, IArray a e) => a Int e -> Put
putArray a = do put (rangeSize $ bounds a) -- write the length
mapM_ put (elems a) -- now the elems.
getArray :: (Binary e, IArray a e) => Get (a Int e)
getArray = do n <- get -- read the length
xs <- replicateM n get -- now the elems.
return (listArray (0,n-1) xs)
putArray2 :: (Binary e, IArray a1 (a2 Int e), IArray a2 e) => a1 Int (a2 Int e) -> Put
putArray2 a = do put (rangeSize $ bounds a) -- write the length
mapM_ putArray (elems a) -- now the elems.
getArray2 :: (Binary e, IArray a1 (a2 Int e), IArray a2 e) => Get (a1 Int (a2 Int e))
getArray2 = do n <- get -- read the length
xs <- replicateM n getArray -- now the elems.
return (listArray (0,n-1) xs)
decodingError = fail "This file was compiled with different version of GF"
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