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forked from GitHub/gf-core

Changed JS generation to avoid grammar reference files. Removed grammar reference file generation.

This commit is contained in:
meza
2008-04-11 13:52:13 +00:00
parent f439895ef9
commit 08f92cd180
4 changed files with 34 additions and 65 deletions

View File

@@ -58,9 +58,8 @@ outputFile outfile output =
printOptions = [
("haskell","GSyntax.hs"),
("haskell_gadt","GSyntax.hs"),
("js","grammar.js"),
("jsref","grammarReference.js")
("js","grammar.js")
]
usageMsg =
"usage: gfc (-h | --make (-noopt) (-noparse) (-target=PREFIX) (-js | -jsref | -haskell | -haskell_gadt)) (-src) FILES"
"usage: gfc (-h | --make (-noopt) (-noparse) (-target=PREFIX) (-js | -haskell | -haskell_gadt)) (-src) FILES"

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@@ -1,4 +1,4 @@
module GF.Devel.GFCCtoJS (gfcc2js,gfcc2grammarRef) where
module GF.Devel.GFCCtoJS (gfcc2js) where
import qualified GF.GFCC.Macros as M
import qualified GF.GFCC.DataGFCC as D
@@ -22,45 +22,40 @@ import qualified Data.Map as Map
gfcc2js :: D.GFCC -> String
gfcc2js gfcc =
encodeUTF8 $ JS.printTree $ JS.Program $ abstract2js start n as ++
concatMap (concrete2js start n) cs
encodeUTF8 $ JS.printTree $ JS.Program [JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit (JS.Ident n) grammar]]
where
n = D.absname gfcc
n = D.printCId $ D.absname gfcc
as = D.abstract gfcc
cs = Map.assocs (D.concretes gfcc)
start = M.lookAbsFlag gfcc (M.cid "startcat")
start = M.lookStartCat gfcc
grammar = new "GFGrammar" [abstract, concrete]
abstract = abstract2js start as
concrete = JS.EObj $ map (concrete2js start n) cs
abstract2js :: String -> CId -> D.Abstr -> [JS.Element]
abstract2js start (CId n) ds =
[JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit a (new "Abstract" [JS.EStr start])]]
++ concatMap (absdef2js a) (Map.assocs (D.funs ds))
where a = JS.Ident n
abstract2js :: String -> D.Abstr -> JS.Expr
abstract2js start ds = new "GFAbstract" [JS.EStr start, JS.EObj $ map absdef2js (Map.assocs (D.funs ds))]
absdef2js :: JS.Ident -> (CId,(D.Type,D.Exp)) -> [JS.Element]
absdef2js a (CId f,(typ,_)) =
absdef2js :: (CId,(D.Type,D.Exp)) -> JS.Property
absdef2js (CId f,(typ,_)) =
let (args,CId cat) = M.catSkeleton typ in
[JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember (JS.EVar a) (JS.Ident "addType"))
[JS.EStr f, JS.EArray [JS.EStr x | CId x <- args], JS.EStr cat]]
JS.Prop (JS.Ident f) (new "Type" [JS.EArray [JS.EStr x | CId x <- args], JS.EStr cat])
concrete2js :: String -> CId -> (CId,D.Concr) -> [JS.Element]
concrete2js start (CId a) (CId c, cnc) =
[JS.ElStmt $ JS.SDeclOrExpr $ JS.Decl [JS.DInit l (new "Concrete" [JS.EVar (JS.Ident a)])]]
++ concatMap (cncdef2js l) ds
++ [JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember (JS.EVar l) (JS.Ident "addRule")) [JS.EStr "Int", JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]]]
++ [JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember (JS.EVar l) (JS.Ident "addRule")) [JS.EStr "Float", JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]]]
++ [JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember (JS.EVar l) (JS.Ident "addRule")) [JS.EStr "String", JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]]]
++ fromMaybe [] (fmap (parser2js start l) (D.parser cnc))
concrete2js :: String -> String -> (CId,D.Concr) -> JS.Property
concrete2js start n (CId c, cnc) =
JS.Prop l (new "GFConcrete" ([(JS.EObj $ ((map (cncdef2js n c) ds) ++ litslins))] ++
maybe [] (parser2js start) (D.parser cnc)))
where
l = JS.Ident c
ds = concatMap Map.assocs [D.lins cnc, D.opers cnc, D.lindefs cnc]
litslins = [JS.Prop (JS.Ident "Int") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
JS.Prop (JS.Ident "Float") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]]),
JS.Prop (JS.Ident "String") (JS.EFun [children] [JS.SReturn $ new "Arr" [JS.EIndex (JS.EVar children) (JS.EInt 0)]])]
cncdef2js :: String -> String -> (CId,D.Term) -> JS.Property
cncdef2js n l (CId f, t) = JS.Prop (JS.Ident f) (JS.EFun [children] [JS.SReturn (term2js n l t)])
cncdef2js :: JS.Ident -> (CId,D.Term) -> [JS.Element]
cncdef2js l (CId f, t) =
[JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember (JS.EVar l) (JS.Ident "addRule")) [JS.EStr f, JS.EFun [children] [JS.SReturn (term2js l t)]]]
term2js :: JS.Ident -> D.Term -> JS.Expr
term2js l t = f t
term2js :: String -> String -> D.Term -> JS.Expr
term2js n l t = f t
where
f t =
case t of
@@ -70,7 +65,7 @@ term2js l t = f t
D.K t -> tokn2js t
D.V i -> JS.EIndex (JS.EVar children) (JS.EInt i)
D.C i -> new "Int" [JS.EInt i]
D.F (CId f) -> JS.ECall (JS.EMember (JS.EVar l) (JS.Ident "rule")) [JS.EStr f, JS.EVar children]
D.F (CId 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 f, JS.EVar children]
D.FV xs -> new "Variants" (map f xs)
D.W str x -> new "Suffix" [JS.EStr str, f x]
D.RP x y -> new "Rp" [f x, f y]
@@ -93,20 +88,16 @@ argIdent n = JS.Ident ("x" ++ show n)
children :: JS.Ident
children = JS.Ident "cs"
-- Parser
parser2js :: String -> JS.Ident -> FCFPInfo -> [JS.Element]
parser2js start l p = [JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.EAssign parser (new "Parser" [JS.EStr start])]
++ map (addRule . frule2js) (Array.elems (allRules p))
++ map addCat (Map.assocs (startupCats p))
where
parser = JS.EMember (JS.EVar l) (JS.Ident "parser")
addRule r = JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember parser (JS.Ident "addRule")) [r]
addCat (CId c,is) = JS.ElStmt $ JS.SDeclOrExpr $ JS.DExpr $ JS.ECall (JS.EMember parser (JS.Ident "addCat")) [JS.EStr c, JS.EArray (map JS.EInt is)]
parser2js :: String -> FCFPInfo -> [JS.Expr]
parser2js start p = [new "Parser" [JS.EStr start,
JS.EArray $ map frule2js (Array.elems (allRules p)),
JS.EObj $ map cats (Map.assocs (startupCats p))]]
where
cats (CId c,is) = JS.Prop (JS.Ident c) (JS.EArray (map JS.EInt is))
frule2js :: FRule -> JS.Expr
frule2js (FRule n args res lins) =
new "Rule" [JS.EInt res, name2js n, JS.EArray (map JS.EInt args), lins2js lins]
frule2js (FRule n args res lins) = new "Rule" [JS.EInt res, name2js n, JS.EArray (map JS.EInt args), lins2js lins]
name2js :: FName -> JS.Expr
name2js n = case n of
@@ -138,23 +129,3 @@ sym2js (FSymTok t) = new "Terminal" [JS.EStr t]
new :: String -> [JS.Expr] -> JS.Expr
new f xs = JS.ENew (JS.Ident f) xs
-- grammar reference file for js applications. AR 10/11/2007
gfcc2grammarRef :: D.GFCC -> String
gfcc2grammarRef gfcc =
encodeUTF8 $ refs
where
CId abstr = D.absname gfcc
refs = unlines $ [
"// Grammar Reference",
"function concreteReference(concreteSyntax, concreteSyntaxName) {",
"this.concreteSyntax = concreteSyntax;",
"this.concreteSyntaxName = concreteSyntaxName;",
"}",
"var myAbstract = " ++ abstr ++ " ;",
"var myConcrete = new Array();"
] ++ [
"myConcrete.push(new concreteReference(" ++ c ++ ",\"" ++ c ++ "\"));"
| CId c <- D.cncnames gfcc]

View File

@@ -14,7 +14,6 @@ prGFCC printer gr = case printer of
"haskell" -> grammar2haskell gr
"haskell_gadt" -> grammar2haskellGADT gr
"js" -> gfcc2js gr
"jsref" -> gfcc2grammarRef gr
_ -> printGFCC gr
printGFCC :: GFCC -> String

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@@ -26,7 +26,7 @@ render d = rend 0 (map ($ "") $ d []) "" where
space t = showString t . (\s -> if null s then "" else (' ':s))
spaceAfter :: String -> Bool
spaceAfter = (`notElem` [".","(","[","\n"])
spaceAfter = (`notElem` [".","(","[","{","\n"])
spaceBefore :: String -> Bool
spaceBefore = (`notElem` [",",".",":",";","(",")","[","]","{","}","\n"])