forked from GitHub/gf-core
reorganize the directories under src, and rescue the JavaScript interpreter from deprecated
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krasimir
199
src/runtime/haskell/PGF/Binary.hs
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199
src/runtime/haskell/PGF/Binary.hs
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module PGF.Binary where
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import PGF.CId
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import PGF.Data
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import Data.Binary
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import Data.Binary.Put
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import Data.Binary.Get
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import qualified Data.ByteString as BS
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import qualified Data.Map as Map
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import qualified Data.IntMap as IntMap
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import qualified Data.Set as Set
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import Control.Monad
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pgfMajorVersion, pgfMinorVersion :: Word16
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(pgfMajorVersion, pgfMinorVersion) = (1,0)
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instance Binary PGF where
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put pgf = putWord16be pgfMajorVersion >>
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putWord16be pgfMinorVersion >>
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put ( absname pgf, cncnames pgf
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, gflags pgf
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, abstract pgf, concretes pgf
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)
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get = do v1 <- getWord16be
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v2 <- getWord16be
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absname <- get
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cncnames <- get
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gflags <- get
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abstract <- get
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concretes <- get
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return (PGF{ absname=absname, cncnames=cncnames
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, gflags=gflags
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, abstract=abstract, concretes=concretes
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})
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instance Binary CId where
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put (CId bs) = put bs
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get = liftM CId get
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instance Binary Abstr where
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put abs = put (aflags abs, funs abs, cats abs)
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get = do aflags <- get
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funs <- get
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cats <- get
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let catfuns = Map.mapWithKey (\cat _ -> [f | (f, (DTyp _ c _,_,_)) <- Map.toList funs, c==cat]) cats
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return (Abstr{ aflags=aflags
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, funs=funs, cats=cats
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, catfuns=catfuns
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})
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instance Binary Concr where
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put cnc = put ( cflags cnc, lins cnc, opers cnc
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, lincats cnc, lindefs cnc
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, printnames cnc, paramlincats cnc
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, parser cnc
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)
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get = do cflags <- get
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lins <- get
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opers <- get
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lincats <- get
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lindefs <- get
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printnames <- get
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paramlincats <- get
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parser <- get
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return (Concr{ cflags=cflags, lins=lins, opers=opers
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, lincats=lincats, lindefs=lindefs
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, printnames=printnames
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, paramlincats=paramlincats
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, parser=parser
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})
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instance Binary Alternative where
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put (Alt v x) = put v >> put x
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get = liftM2 Alt get get
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instance Binary Term where
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put (R es) = putWord8 0 >> put es
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put (S es) = putWord8 1 >> put es
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put (FV es) = putWord8 2 >> put es
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put (P e v) = putWord8 3 >> put (e,v)
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put (W e v) = putWord8 4 >> put (e,v)
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put (C i ) = putWord8 5 >> put i
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put (TM i ) = putWord8 6 >> put i
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put (F f) = putWord8 7 >> put f
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put (V i) = putWord8 8 >> put i
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put (K (KS s)) = putWord8 9 >> put s
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put (K (KP d vs)) = putWord8 10 >> put (d,vs)
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get = do tag <- getWord8
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case tag of
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0 -> liftM R get
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1 -> liftM S get
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2 -> liftM FV get
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3 -> liftM2 P get get
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4 -> liftM2 W get get
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5 -> liftM C get
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6 -> liftM TM get
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7 -> liftM F get
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8 -> liftM V get
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9 -> liftM (K . KS) get
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10 -> liftM2 (\d vs -> K (KP d vs)) get get
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_ -> decodingError
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instance Binary Expr where
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put (EAbs b x exp) = putWord8 0 >> put (b,x,exp)
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put (EApp e1 e2) = putWord8 1 >> put (e1,e2)
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put (ELit (LStr s)) = putWord8 2 >> put s
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put (ELit (LFlt d)) = putWord8 3 >> put d
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put (ELit (LInt i)) = putWord8 4 >> put i
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put (EMeta i) = putWord8 5 >> put i
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put (EFun f) = putWord8 6 >> put f
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put (EVar i) = putWord8 7 >> put i
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put (ETyped e ty) = putWord8 8 >> put (e,ty)
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get = do tag <- getWord8
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case tag of
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0 -> liftM3 EAbs get get get
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1 -> liftM2 EApp get get
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2 -> liftM (ELit . LStr) get
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3 -> liftM (ELit . LFlt) get
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4 -> liftM (ELit . LInt) get
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5 -> liftM EMeta get
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6 -> liftM EFun get
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7 -> liftM EVar get
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8 -> liftM2 ETyped get get
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_ -> decodingError
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instance Binary Patt where
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put (PApp f ps) = putWord8 0 >> put (f,ps)
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put (PVar x) = putWord8 1 >> put x
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put PWild = putWord8 2
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put (PLit (LStr s)) = putWord8 3 >> put s
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put (PLit (LFlt d)) = putWord8 4 >> put d
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put (PLit (LInt i)) = putWord8 5 >> put i
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get = do tag <- getWord8
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case tag of
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0 -> liftM2 PApp get get
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1 -> liftM PVar get
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2 -> return PWild
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3 -> liftM (PLit . LStr) get
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4 -> liftM (PLit . LFlt) get
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5 -> liftM (PLit . LInt) get
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_ -> decodingError
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instance Binary Equation where
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put (Equ ps e) = put (ps,e)
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get = liftM2 Equ get get
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instance Binary Type where
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put (DTyp hypos cat exps) = put (hypos,cat,exps)
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get = liftM3 DTyp get get get
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instance Binary BindType where
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put Explicit = putWord8 0
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put Implicit = putWord8 1
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get = do tag <- getWord8
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case tag of
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0 -> return Explicit
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1 -> return Implicit
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_ -> decodingError
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instance Binary FFun where
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put (FFun fun prof lins) = put (fun,prof,lins)
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get = liftM3 FFun get get get
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instance Binary FSymbol where
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put (FSymCat n l) = putWord8 0 >> put (n,l)
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put (FSymLit n l) = putWord8 1 >> put (n,l)
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put (FSymKS ts) = putWord8 2 >> put ts
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put (FSymKP d vs) = putWord8 3 >> put (d,vs)
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get = do tag <- getWord8
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case tag of
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0 -> liftM2 FSymCat get get
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1 -> liftM2 FSymLit get get
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2 -> liftM FSymKS get
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3 -> liftM2 (\d vs -> FSymKP d vs) get get
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_ -> decodingError
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instance Binary Production where
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put (FApply ruleid args) = putWord8 0 >> put (ruleid,args)
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put (FCoerce fcat) = putWord8 1 >> put fcat
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get = do tag <- getWord8
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case tag of
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0 -> liftM2 FApply get get
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1 -> liftM FCoerce get
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_ -> decodingError
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instance Binary ParserInfo where
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put p = put (functions p, sequences p, productions0 p, totalCats p, startCats p)
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get = do functions <- get
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sequences <- get
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productions0<- get
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totalCats <- get
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startCats <- get
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return (ParserInfo{functions=functions,sequences=sequences
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,productions0=productions0
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,productions =filterProductions productions0
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,totalCats=totalCats,startCats=startCats})
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decodingError = fail "This PGF file was compiled with different version of GF"
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