forked from GitHub/gf-core
Start work on PGFtoJSON module. Add compiler flag -f json.
This commit is contained in:
John J. Camilleri
1
gf.cabal
1
gf.cabal
@@ -194,6 +194,7 @@ Library
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GF.Compile.GrammarToCanonical
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GF.Grammar.CanonicalJSON
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GF.Compile.PGFtoJS
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GF.Compile.PGFtoJSON
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GF.Compile.PGFtoProlog
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GF.Compile.PGFtoPython
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GF.Compile.ReadFiles
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@@ -7,6 +7,7 @@ import GF.Compile.PGFtoHaskell
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import GF.Compile.PGFtoJava
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import GF.Compile.PGFtoProlog
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import GF.Compile.PGFtoJS
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import GF.Compile.PGFtoJSON
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import GF.Compile.PGFtoPython
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import GF.Infra.Option
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--import GF.Speech.CFG
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@@ -38,6 +39,7 @@ exportPGF opts fmt pgf =
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FmtCanonicalGF -> [] -- canon "gf" (render80 . abstract2canonical)
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FmtCanonicalJson-> []
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FmtJavaScript -> multi "js" pgf2js
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FmtJSON -> multi "json" pgf2json
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FmtPython -> multi "py" pgf2python
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FmtHaskell -> multi "hs" (grammar2haskell opts name)
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FmtJava -> multi "java" (grammar2java opts name)
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116
src/compiler/GF/Compile/PGFtoJSON.hs
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116
src/compiler/GF/Compile/PGFtoJSON.hs
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@@ -0,0 +1,116 @@
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module GF.Compile.PGFtoJSON (pgf2json) where
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import PGF(showCId)
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import PGF.Internal as M
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import qualified Text.JSON as JSON
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--import GF.Data.ErrM
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--import GF.Infra.Option
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--import Control.Monad (mplus)
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--import Data.Array.Unboxed (UArray)
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import qualified Data.Array.IArray as Array
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--import Data.Maybe (fromMaybe)
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import Data.Map (Map)
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import qualified Data.Set as Set
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import qualified Data.Map as Map
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import qualified Data.IntMap as IntMap
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pgf2json :: PGF -> String
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pgf2json pgf =
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JSON.encode $ JSON.makeObj
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[ ("abstract", json_abstract)
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, ("concretes", json_concretes)
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]
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-- JS.printTree $ JS.Program [JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit (JS.Ident n) grammar]]
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where
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-- n = showCId $ absname pgf
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as = abstract pgf
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cs = Map.assocs (concretes pgf)
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start = showCId $ M.lookStartCat pgf
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-- grammar = new "GFGrammar" [js_abstract, js_concrete]
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-- js_abstract = abstract2js start as
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-- js_concrete = JS.EObj $ map concrete2js cs
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json_abstract = abstract2json start as
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json_concretes = JSON.makeObj $ map concrete2json cs
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abstract2json :: String -> Abstr -> JSON.JSValue
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abstract2json start ds = JSON.JSNull
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-- abstract2js :: String -> Abstr -> JS.Expr
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-- abstract2js start ds = new "GFAbstract" [JS.EStr start, JS.EObj $ map absdef2js (Map.assocs (funs ds))]
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--
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-- absdef2js :: (CId,(Type,Int,Maybe ([Equation],[[M.Instr]]),Double)) -> JS.Property
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-- absdef2js (f,(typ,_,_,_)) =
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-- let (args,cat) = M.catSkeleton typ in
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-- JS.Prop (JS.IdentPropName (JS.Ident (showCId f))) (new "Type" [JS.EArray [JS.EStr (showCId x) | x <- args], JS.EStr (showCId cat)])
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--
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-- lit2js (LStr s) = JS.EStr s
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-- lit2js (LInt n) = JS.EInt n
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-- lit2js (LFlt d) = JS.EDbl d
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concrete2json :: (CId,Concr) -> (String,JSON.JSValue)
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concrete2json (c,cnc) = (showCId c,JSON.JSNull)
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-- concrete2js :: (CId,Concr) -> JS.Property
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-- concrete2js (c,cnc) =
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-- JS.Prop l (new "GFConcrete" [mapToJSObj (lit2js) $ cflags cnc,
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-- JS.EObj $ [JS.Prop (JS.IntPropName cat) (JS.EArray (map frule2js (Set.toList set))) | (cat,set) <- IntMap.toList (productions cnc)],
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-- JS.EArray $ (map ffun2js (Array.elems (cncfuns cnc))),
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-- JS.EArray $ (map seq2js (Array.elems (sequences cnc))),
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-- JS.EObj $ map cats (Map.assocs (cnccats cnc)),
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-- JS.EInt (totalCats cnc)])
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-- where
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-- l = JS.IdentPropName (JS.Ident (showCId c))
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-- {-
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-- litslins = [JS.Prop (JS.StringPropName "Int") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
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-- JS.Prop (JS.StringPropName "Float") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
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-- JS.Prop (JS.StringPropName "String") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]])]
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-- -}
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-- 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)
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-- ,JS.Prop (JS.IdentPropName (JS.Ident "e")) (JS.EInt end)])
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-- {-
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-- mkStr :: String -> JS.Expr
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-- mkStr s = new "Str" [JS.EStr s]
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--
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-- mkSeq :: [JS.Expr] -> JS.Expr
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-- mkSeq [x] = x
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-- mkSeq xs = new "Seq" xs
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--
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-- argIdent :: Integer -> JS.Ident
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-- argIdent n = JS.Ident ("x" ++ show n)
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-- -}
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-- children :: JS.Ident
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-- children = JS.Ident "cs"
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--
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-- frule2js :: Production -> JS.Expr
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-- frule2js (PApply funid args) = new "Apply" [JS.EInt funid, JS.EArray (map farg2js args)]
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-- frule2js (PCoerce arg) = new "Coerce" [JS.EInt arg]
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--
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-- farg2js (PArg hypos fid) = new "PArg" (map (JS.EInt . snd) hypos ++ [JS.EInt fid])
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--
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-- ffun2js (CncFun f lins) = new "CncFun" [JS.EStr (showCId f), JS.EArray (map JS.EInt (Array.elems lins))]
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--
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-- seq2js :: Array.Array DotPos Symbol -> JS.Expr
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-- seq2js seq = JS.EArray [sym2js s | s <- Array.elems seq]
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--
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-- sym2js :: Symbol -> JS.Expr
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-- sym2js (SymCat n l) = new "SymCat" [JS.EInt n, JS.EInt l]
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-- sym2js (SymLit n l) = new "SymLit" [JS.EInt n, JS.EInt l]
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-- sym2js (SymVar n l) = new "SymVar" [JS.EInt n, JS.EInt l]
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-- sym2js (SymKS t) = new "SymKS" [JS.EStr t]
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-- sym2js (SymKP ts alts) = new "SymKP" [JS.EArray (map sym2js ts), JS.EArray (map alt2js alts)]
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-- sym2js SymBIND = new "SymKS" [JS.EStr "&+"]
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-- sym2js SymSOFT_BIND = new "SymKS" [JS.EStr "&+"]
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-- sym2js SymSOFT_SPACE = new "SymKS" [JS.EStr "&+"]
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-- sym2js SymCAPIT = new "SymKS" [JS.EStr "&|"]
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-- sym2js SymALL_CAPIT = new "SymKS" [JS.EStr "&|"]
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-- sym2js SymNE = new "SymNE" []
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--
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-- alt2js (ps,ts) = new "Alt" [JS.EArray (map sym2js ps), JS.EArray (map JS.EStr ts)]
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--
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-- new :: String -> [JS.Expr] -> JS.Expr
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-- new f xs = JS.ENew (JS.Ident f) xs
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--
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-- mapToJSObj :: (a -> JS.Expr) -> Map CId a -> JS.Expr
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-- mapToJSObj f m = JS.EObj [ JS.Prop (JS.IdentPropName (JS.Ident (showCId k))) (f v) | (k,v) <- Map.toList m ]
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@@ -90,6 +90,7 @@ data OutputFormat = FmtPGFPretty
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| FmtCanonicalGF
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| FmtCanonicalJson
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| FmtJavaScript
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| FmtJSON
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| FmtPython
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| FmtHaskell
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| FmtJava
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@@ -328,7 +329,7 @@ optDescr =
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Option ['f'] ["output-format"] (ReqArg outFmt "FMT")
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(unlines ["Output format. FMT can be one of:",
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"Canonical GF grammar: canonical_gf, canonical_json, (and haskell with option --haskell=concrete)",
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"Multiple concrete: pgf (default), js, pgf_pretty, prolog, python, ...", -- gar,
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"Multiple concrete: pgf (default), json, js, pgf_pretty, prolog, python, ...", -- gar,
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"Single concrete only: bnf, ebnf, fa, gsl, jsgf, regexp, slf, srgs_xml, srgs_abnf, vxml, ....", -- cf, lbnf,
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"Abstract only: haskell, ..."]), -- prolog_abs,
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Option [] ["sisr"] (ReqArg sisrFmt "FMT")
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@@ -474,6 +475,7 @@ outputFormatsExpl =
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(("canonical_gf", FmtCanonicalGF),"Canonical GF source files"),
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(("canonical_json", FmtCanonicalJson),"Canonical JSON source files"),
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(("js", FmtJavaScript),"JavaScript (whole grammar)"),
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(("json", FmtJSON),"JSON (whole grammar)"),
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(("python", FmtPython),"Python (whole grammar)"),
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(("haskell", FmtHaskell),"Haskell (abstract syntax)"),
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(("java", FmtJava),"Java (abstract syntax)"),
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