diff options
| author | krasimir <krasimir@chalmers.se> | 2009-12-14 10:10:58 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2009-12-14 10:10:58 +0000 |
| commit | faa638d6fc5dbc47d5e3ef3d4da42449005c3a0d (patch) | |
| tree | ee29a4d81d63bae51d453cade0105c8f689a5734 /src/compiler/GF/Compile/PGFtoJS.hs | |
| parent | a7811d11998cd87d8adc32a67449da52b10e5e64 (diff) | |
rename some modules that had GFCC in the name to PGF+something
Diffstat (limited to 'src/compiler/GF/Compile/PGFtoJS.hs')
| -rw-r--r-- | src/compiler/GF/Compile/PGFtoJS.hs | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/compiler/GF/Compile/PGFtoJS.hs b/src/compiler/GF/Compile/PGFtoJS.hs new file mode 100644 index 000000000..ff75d8fe6 --- /dev/null +++ b/src/compiler/GF/Compile/PGFtoJS.hs @@ -0,0 +1,122 @@ +module GF.Compile.PGFtoJS (pgf2js) where + +import PGF.CId +import PGF.Data hiding (mkStr) +import qualified PGF.Macros as M +import qualified GF.JavaScript.AbsJS as JS +import qualified GF.JavaScript.PrintJS as JS + +import GF.Text.UTF8 +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 + +pgf2js :: PGF -> String +pgf2js pgf = + encodeUTF8 $ JS.printTree $ JS.Program [JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit (JS.Ident n) grammar]] + where + n = showCId $ absname pgf + as = abstract pgf + cs = Map.assocs (concretes pgf) + start = showCId $ M.lookStartCat pgf + grammar = new "GFGrammar" [js_abstract, js_concrete] + js_abstract = abstract2js start as + js_concrete = JS.EObj $ map (concrete2js n) cs + +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,[Equation])) -> JS.Property +absdef2js (f,(typ,_,_)) = + let (args,cat) = M.catSkeleton typ in + JS.Prop (JS.IdentPropName (JS.Ident (showCId f))) (new "Type" [JS.EArray [JS.EStr (showCId x) | x <- args], JS.EStr (showCId cat)]) + +concrete2js :: String -> (CId,Concr) -> JS.Property +concrete2js n (c, cnc) = + JS.Prop l (new "GFConcrete" ([flags,(JS.EObj $ ((map (cncdef2js n (showCId c)) ds) ++ litslins))] ++ + maybe [] parser2js (parser cnc))) + where + flags = mapToJSObj JS.EStr $ cflags cnc + l = JS.IdentPropName (JS.Ident (showCId c)) + ds = concatMap Map.assocs [lins cnc, opers cnc, lindefs cnc] + 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)]])] + + +cncdef2js :: String -> String -> (CId,Term) -> JS.Property +cncdef2js n l (f, t) = JS.Prop (JS.IdentPropName (JS.Ident (showCId f))) (JS.EFun [children] [JS.SReturn (term2js n l t)]) + +term2js :: String -> String -> Term -> JS.Expr +term2js n l t = f t + where + f t = + case t of + R xs -> new "Arr" (map f xs) + P x y -> JS.ECall (JS.EMember (f x) (JS.Ident "sel")) [f y] + S xs -> mkSeq (map f xs) + K t -> tokn2js t + V i -> JS.EIndex (JS.EVar children) (JS.EInt i) + C i -> new "Int" [JS.EInt i] + F f -> JS.ECall (JS.EMember (JS.EIndex (JS.EMember (JS.EVar $ JS.Ident n) (JS.Ident "concretes")) (JS.EStr l)) (JS.Ident "rule")) [JS.EStr (showCId f), JS.EVar children] + FV xs -> new "Variants" (map f xs) + W str x -> new "Suffix" [JS.EStr str, f x] + TM _ -> new "Meta" [] + +tokn2js :: Tokn -> JS.Expr +tokn2js (KS s) = mkStr s +tokn2js (KP ss vs) = mkSeq (map mkStr ss) -- FIXME + +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" + +-- Parser +parser2js :: ParserInfo -> [JS.Expr] +parser2js p = [new "Parser" [JS.EObj $ [JS.Prop (JS.IntPropName cat) (JS.EArray (map frule2js (Set.toList set))) | (cat,set) <- IntMap.toList (productions0 p)], + JS.EArray $ (map ffun2js (Array.elems (functions p))), + JS.EArray $ (map seq2js (Array.elems (sequences p))), + JS.EObj $ map cats (Map.assocs (startCats p)), + JS.EInt (totalCats p)]] + where + cats (c,is) = JS.Prop (JS.IdentPropName (JS.Ident (showCId c))) (JS.EArray (map JS.EInt is)) + +frule2js :: Production -> JS.Expr +frule2js (FApply funid args) = new "Rule" [JS.EInt funid, JS.EArray (map JS.EInt args)] +frule2js (FCoerce arg) = new "Coerce" [JS.EInt arg] + +ffun2js (FFun f _ lins) = new "FFun" [JS.EStr (showCId f), JS.EArray (map JS.EInt (Array.elems lins))] + +seq2js :: Array.Array FIndex FSymbol -> JS.Expr +seq2js seq = JS.EArray [sym2js s | s <- Array.elems seq] + +sym2js :: FSymbol -> JS.Expr +sym2js (FSymCat n l) = new "Arg" [JS.EInt n, JS.EInt l] +sym2js (FSymLit n l) = new "Lit" [JS.EInt n, JS.EInt l] +sym2js (FSymKS ts) = new "KS" (map JS.EStr ts) +sym2js (FSymKP ts alts) = new "KP" [JS.EArray (map JS.EStr ts), JS.EArray (map alt2js alts)] + +alt2js (Alt ps ts) = new "Alt" [JS.EArray (map JS.EStr 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 ] |
