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module GF.Compile.PGFtoJSON (pgf2json) where
import PGF(showCId)
import PGF.Internal as M
import qualified Text.JSON as JSON
import Text.JSON (JSValue(..))
-- import Text.JSON.Pretty (pp_value)
-- import Text.PrettyPrint (render)
--import GF.Data.ErrM
--import GF.Infra.Option
--import Control.Monad (mplus)
--import Data.Array.Unboxed (UArray)
import qualified Data.Array.IArray as Array
--import Data.Maybe (fromMaybe)
import Data.Map (Map)
import qualified Data.Set as Set
import qualified Data.Map as Map
import qualified Data.IntMap as IntMap
pgf2json :: PGF -> String
pgf2json pgf =
JSON.encode $ JSON.makeObj
-- render $ pp_value $ JSON.makeObj
[ ("abstract", json_abstract)
, ("concretes", json_concretes)
]
where
n = showCId $ absname pgf
as = abstract pgf
cs = Map.assocs (concretes pgf)
start = showCId $ M.lookStartCat pgf
json_abstract = abstract2json n start as
json_concretes = JSON.makeObj $ map concrete2json cs
abstract2json :: String -> String -> Abstr -> JSValue
abstract2json name start ds =
JSON.makeObj
[ ("name", JSString $ JSON.toJSString name)
, ("startcat", JSString $ JSON.toJSString start)
, ("funs", JSON.makeObj $ map absdef2js (Map.assocs (funs ds)))
]
-- abstract2js :: String -> Abstr -> JS.Expr
-- abstract2js start ds = new "GFAbstract" [JS.EStr start, JS.EObj $ map absdef2js (Map.assocs (funs ds))]
absdef2js :: (CId,(Type,Int,Maybe ([Equation],[[M.Instr]]),Double)) -> (String,JSValue)
absdef2js (f,(typ,_,_,_)) = (showCId f,sig)
where
(args,cat) = M.catSkeleton typ
sig = JSON.makeObj
[ ("args", JSArray $ map (mkJSString.showCId) args)
, ("cat", mkJSString $ showCId cat)
]
mkJSString :: String -> JSValue
mkJSString = JSString . JSON.toJSString
-- lit2js (LStr s) = JS.EStr s
-- lit2js (LInt n) = JS.EInt n
-- lit2js (LFlt d) = JS.EDbl d
concrete2json :: (CId,Concr) -> (String,JSValue)
concrete2json (c,cnc) = (showCId c,JSNull)
-- concrete2js :: (CId,Concr) -> JS.Property
-- concrete2js (c,cnc) =
-- JS.Prop l (new "GFConcrete" [mapToJSObj (lit2js) $ cflags cnc,
-- JS.EObj $ [JS.Prop (JS.IntPropName cat) (JS.EArray (map frule2js (Set.toList set))) | (cat,set) <- IntMap.toList (productions cnc)],
-- JS.EArray $ (map ffun2js (Array.elems (cncfuns cnc))),
-- JS.EArray $ (map seq2js (Array.elems (sequences cnc))),
-- JS.EObj $ map cats (Map.assocs (cnccats cnc)),
-- JS.EInt (totalCats cnc)])
-- where
-- l = JS.IdentPropName (JS.Ident (showCId c))
-- {-
-- litslins = [JS.Prop (JS.StringPropName "Int") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
-- JS.Prop (JS.StringPropName "Float") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
-- JS.Prop (JS.StringPropName "String") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]])]
-- -}
-- cats (c,CncCat start end _) = JS.Prop (JS.IdentPropName (JS.Ident (showCId c))) (JS.EObj [JS.Prop (JS.IdentPropName (JS.Ident "s")) (JS.EInt start)
-- ,JS.Prop (JS.IdentPropName (JS.Ident "e")) (JS.EInt end)])
-- {-
-- mkStr :: String -> JS.Expr
-- mkStr s = new "Str" [JS.EStr s]
--
-- mkSeq :: [JS.Expr] -> JS.Expr
-- mkSeq [x] = x
-- mkSeq xs = new "Seq" xs
--
-- argIdent :: Integer -> JS.Ident
-- argIdent n = JS.Ident ("x" ++ show n)
-- -}
-- children :: JS.Ident
-- children = JS.Ident "cs"
--
-- frule2js :: Production -> JS.Expr
-- frule2js (PApply funid args) = new "Apply" [JS.EInt funid, JS.EArray (map farg2js args)]
-- frule2js (PCoerce arg) = new "Coerce" [JS.EInt arg]
--
-- farg2js (PArg hypos fid) = new "PArg" (map (JS.EInt . snd) hypos ++ [JS.EInt fid])
--
-- ffun2js (CncFun f lins) = new "CncFun" [JS.EStr (showCId f), JS.EArray (map JS.EInt (Array.elems lins))]
--
-- seq2js :: Array.Array DotPos Symbol -> JS.Expr
-- seq2js seq = JS.EArray [sym2js s | s <- Array.elems seq]
--
-- sym2js :: Symbol -> JS.Expr
-- sym2js (SymCat n l) = new "SymCat" [JS.EInt n, JS.EInt l]
-- sym2js (SymLit n l) = new "SymLit" [JS.EInt n, JS.EInt l]
-- sym2js (SymVar n l) = new "SymVar" [JS.EInt n, JS.EInt l]
-- sym2js (SymKS t) = new "SymKS" [JS.EStr t]
-- sym2js (SymKP ts alts) = new "SymKP" [JS.EArray (map sym2js ts), JS.EArray (map alt2js alts)]
-- sym2js SymBIND = new "SymKS" [JS.EStr "&+"]
-- sym2js SymSOFT_BIND = new "SymKS" [JS.EStr "&+"]
-- sym2js SymSOFT_SPACE = new "SymKS" [JS.EStr "&+"]
-- sym2js SymCAPIT = new "SymKS" [JS.EStr "&|"]
-- sym2js SymALL_CAPIT = new "SymKS" [JS.EStr "&|"]
-- sym2js SymNE = new "SymNE" []
--
-- alt2js (ps,ts) = new "Alt" [JS.EArray (map sym2js ps), JS.EArray (map JS.EStr ts)]
--
-- new :: String -> [JS.Expr] -> JS.Expr
-- new f xs = JS.ENew (JS.Ident f) xs
--
-- mapToJSObj :: (a -> JS.Expr) -> Map CId a -> JS.Expr
-- mapToJSObj f m = JS.EObj [ JS.Prop (JS.IdentPropName (JS.Ident (showCId k))) (f v) | (k,v) <- Map.toList m ]
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