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Include startcat in generated JavaScript.

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bringert
2007-09-19 08:58:39 +00:00
parent 1bf0acb2be
commit 61ae1920b3
2 changed files with 19 additions and 8 deletions
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25
src/GF/Canon/CanonToJS.hs
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@@ -2,20 +2,31 @@ module GF.Canon.CanonToJS (prCanon2js) where
import GF.Canon.GFC
import GF.Canon.CanonToGFCC
import GF.Canon.Look
import GF.Data.ErrM
import GF.Infra.Option
import qualified GF.Canon.GFCC.AbsGFCC as C
import qualified GF.JavaScript.AbsJS as JS
import qualified GF.JavaScript.PrintJS as JS
prCanon2js :: CanonGrammar -> String
prCanon2js gr = gfcc2js $ mkCanon2gfcc gr
import Control.Monad (mplus)
import Data.Maybe (fromMaybe)
gfcc2js :: C.Grammar -> String
gfcc2js (C.Grm (C.Hdr n _) as cs) = JS.printTree $ JS.Program $ abstract2js n as ++ concatMap (concrete2js n) cs
prCanon2js :: Options -> CanonGrammar -> String
prCanon2js opts gr = gfcc2js start $ mkCanon2gfcc gr
where
start = fromMaybe "S" (getOptVal opts gStartCat
`mplus` getOptVal grOpts gStartCat)
grOpts = errVal noOptions $ lookupOptionsCan gr
abstract2js :: C.CId -> C.Abstract -> [JS.Element]
abstract2js (C.CId n) (C.Abs ds) =
[JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit a (new "Abstract" [])]]
gfcc2js :: String -> C.Grammar -> String
gfcc2js start (C.Grm (C.Hdr n _) as cs) =
JS.printTree $ JS.Program $ abstract2js start n as ++ concatMap (concrete2js n) cs
abstract2js :: String -> C.CId -> C.Abstract -> [JS.Element]
abstract2js start (C.CId n) (C.Abs ds) =
[JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit a (new "Abstract" [JS.EStr start])]]
++ concatMap (absdef2js a) ds
where a = JS.Ident n

2
src/GF/UseGrammar/Custom.hs
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@@ -328,7 +328,7 @@ customMultiGrammarPrinter =
[
(strCI "gfcm", const MC.prCanon)
,(strCI "gfcc", const GFCC.prCanon2gfcc)
,(strCI "js", const JS.prCanon2js)
,(strCI "js", JS.prCanon2js)
,(strCI "header", const (MC.prCanonMGr . unoptimizeCanon))
,(strCI "cfgm", prCanonAsCFGM)
,(strCI "graph", visualizeCanonGrammar)