reorganize the directories under src, and rescue the JavaScript interpreter from deprecated

src/compiler/GF.hs

@@ -0,0 +1,45 @@
+{-# OPTIONS -cpp #-}
+module Main where
+
+import GFC
+import GFI
+import GF.Data.ErrM
+import GF.Infra.Option
+import GF.Infra.UseIO
+import Paths_gf
+
+import Data.Version
+import System.Directory
+import System.Environment (getArgs)
+import System.Exit
+import System.IO
+#ifdef mingw32_HOST_OS
+import System.Win32.Console
+import System.Win32.NLS
+#endif
+
+main :: IO ()
+main = do
+#ifdef mingw32_HOST_OS
+  codepage <- getACP
+  setConsoleCP codepage
+  setConsoleOutputCP codepage
+#endif
+  args <- getArgs
+  case parseOptions args of
+    Ok (opts,files) -> do curr_dir <- getCurrentDirectory
+                          lib_dir  <- getLibraryDirectory opts
+                          mainOpts (fixRelativeLibPaths curr_dir lib_dir opts) files
+    Bad err         -> do hPutStrLn stderr err
+                          hPutStrLn stderr "You may want to try --help."
+                          exitFailure
+
+mainOpts :: Options -> [FilePath] -> IO ()
+mainOpts opts files = 
+    case flag optMode opts of
+      ModeVersion     -> putStrLn $ "Grammatical Framework (GF) version " ++ showVersion version
+      ModeHelp        -> putStrLn helpMessage
+      ModeInteractive -> mainGFI opts files
+      ModeRun         -> mainRunGFI opts files
+      ModeCompiler    -> dieIOE (mainGFC opts files)
+