Let the exec function output something.

[matthijs/master-project/cλash.git] / VHDL.hs

diff --git a/VHDL.hs b/VHDL.hs
index b85d6ff0be288e7db0ec57ca886fae79cbc6ec09..37bcd74c461a8f4b2b9b57fe2f2d411257f77dca 100644 (file)
--- a/VHDL.hs
+++ b/VHDL.hs
@@ -320,10 +320,14 @@ vhdl_ty_maybe ty =
           let name = TyCon.tyConName tycon in
             -- TODO: Do something more robust than string matching
             case Name.getOccString name of
-              "Bit"      -> Just bit_ty
+              "Bit"      -> Just std_logic_ty
               otherwise  -> Nothing
         otherwise -> Nothing
 
 -- Shortcut
 mkVHDLId :: String -> AST.VHDLId
-mkVHDLId = AST.unsafeVHDLBasicId
+mkVHDLId s = 
+  AST.unsafeVHDLBasicId s'
+  where
+    -- Strip invalid characters.
+    s' = filter (`elem` ['A'..'Z'] ++ ['a'..'z'] ++ ['0'..'9'] ++ "_.") s