1 files changed, 22 insertions, 0 deletions
diff --git a/src/GF/Canon/GetGFC.hs b/src/GF/Canon/GetGFC.hs
new file mode 100644
index 000000000..225b0712a
--- /dev/null
+++ b/src/GF/Canon/GetGFC.hs
@@ -0,0 +1,22 @@
+module GetGFC where
+
+import Operations
+import ParGFC
+import GFC
+import MkGFC
+import Modules
+import GetGrammar (err2err) ---
+import UseIO
+
+getCanonModule :: FilePath -> IOE CanonModule
+getCanonModule file = do
+  gr <- getCanonGrammar file
+  case modules gr of
+    [m] -> return m
+    _ -> ioeErr $ Bad "expected exactly one module in a file"
+
+getCanonGrammar :: FilePath -> IOE CanonGrammar
+getCanonGrammar file = do
+  s <- ioeIO $ readFileIf file
+  c <- ioeErr $ err2err $ pCanon $ myLexer s
+  return $ canon2grammar c