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diff --git a/src/GF/Devel/Compile/GetGrammar.hs b/src/GF/Devel/Compile/GetGrammar.hs
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+++ b/src/GF/Devel/Compile/GetGrammar.hs
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+----------------------------------------------------------------------
+-- |
+-- Module      : GetGrammar
+-- Maintainer  : AR
+-- Stability   : (stable)
+-- Portability : (portable)
+--
+-- > CVS $Date: 2005/11/15 17:56:13 $ 
+-- > CVS $Author: aarne $
+-- > CVS $Revision: 1.16 $
+--
+-- this module builds the internal GF grammar that is sent to the type checker
+-----------------------------------------------------------------------------
+
+module GF.Devel.Compile.GetGrammar where
+
+import GF.Devel.UseIO
+import GF.Devel.Grammar.Modules
+----import GF.Devel.PrGrammar
+import GF.Devel.Grammar.SourceToGF
+---- import Macros
+---- import Rename
+--- import Custom
+import GF.Devel.Grammar.ParGF
+import qualified GF.Devel.Grammar.LexGF as L
+
+import GF.Data.Operations
+import qualified GF.Devel.Grammar.ErrM as E ----
+import GF.Infra.Option ----
+import GF.Devel.ReadFiles ----
+
+import Data.Char (toUpper)
+import Data.List (nub)
+import Control.Monad (foldM)
+import System (system)
+
+getSourceModule :: Options -> FilePath -> IOE SourceModule
+getSourceModule opts file0 = do
+  file <- case getOptVal opts usePreprocessor of
+    Just p -> do
+      let tmp = "_gf_preproc.tmp"
+          cmd = p +++ file0 ++ ">" ++ tmp
+      ioeIO $ system cmd
+      -- ioeIO $ putStrLn $ "preproc" +++ cmd
+      return tmp
+    _ -> return file0
+  string    <- readFileIOE file
+  let tokens = myLexer string
+  mo1  <- ioeErr $ err2err $ pModDef tokens
+  ioeErr $ transModDef mo1
+
+err2err e = case e of
+  E.Ok v -> Ok v
+  E.Bad s -> Bad s
+