added a module for testgf3

src/GF/Devel/Compile/GFC.hs

@@ -0,0 +1,72 @@
+module GF.Devel.Compile.GFC (mainGFC) where
+-- module Main where
+
+import GF.Devel.Compile.Compile
+import GF.Devel.Compile.GFtoGFCC
+import GF.Devel.PrintGFCC
+import GF.GFCC.OptimizeGFCC
+import GF.GFCC.CheckGFCC
+import GF.GFCC.DataGFCC
+import GF.GFCC.Raw.ParGFCCRaw
+import GF.GFCC.Raw.ConvertGFCC
+import GF.Devel.UseIO
+import GF.Infra.Option
+import GF.GFCC.API
+import GF.GFCC.ErrM
+
+mainGFC :: [String] -> IO ()
+mainGFC xx = do
+  let (opts,fs) = getOptions "-" xx
+  case opts of
+    _ | oElem (iOpt "help") opts -> putStrLn usageMsg
+    _ | oElem (iOpt "-make") opts -> do
+      gr <- batchCompile opts fs
+      let name = justModuleName (last fs)
+      let (abs,gc0) = mkCanon2gfcc opts name gr
+      gc1 <- checkGFCCio gc0
+      let gc = if oElem (iOpt "noopt") opts then gc1 else optGFCC gc1
+      let target = targetName opts abs
+      let gfccFile =  target ++ ".gfcc"
+      writeFile gfccFile (printGFCC gc)
+      putStrLn $ "wrote file " ++ gfccFile
+      mapM_ (alsoPrint opts target gc) printOptions
+
+    -- gfc -o target.gfcc source_1.gfcc ... source_n.gfcc
+    _ | all ((=="gfcc") . fileSuffix) fs -> do
+      gfccs <- mapM file2gfcc fs
+      let gfcc = foldl1 unionGFCC gfccs
+      let abs = printCId $ absname gfcc
+      let target = targetName opts abs
+      let gfccFile =  target ++ ".gfcc"
+      writeFile gfccFile (printGFCC gfcc)
+      putStrLn $ "wrote file " ++ gfccFile
+      mapM_ (alsoPrint opts target gfcc) printOptions
+      
+    _ -> do
+      mapM_ (batchCompile opts) (map return fs)
+      putStrLn "Done."
+
+targetName opts abs = case getOptVal opts (aOpt "target") of
+  Just n -> n
+  _ -> abs
+
+---- TODO: nicer and richer print options
+
+alsoPrint opts abs gr (opt,name) = do
+  if oElem (iOpt opt) opts 
+    then do
+      let outfile = name
+      let output = prGFCC opt gr
+      writeFile outfile output
+      putStrLn $ "wrote file " ++ outfile
+    else return ()
+
+printOptions = [
+  ("haskell","GSyntax.hs"),
+  ("haskell_gadt","GSyntax.hs"),
+  ("js","grammar.js"),
+  ("jsref","grammarReference.js")
+  ]
+
+usageMsg = 
+  "usage: gfc (-h | --make (-noopt) (-target=PREFIX) (-js | -jsref | -haskell | -haskell_gadt)) (-src) FILES"