diff options
Diffstat (limited to 'src/compiler/GF/Grammar')
| -rw-r--r-- | src/compiler/GF/Grammar/Macros.hs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/compiler/GF/Grammar/Macros.hs b/src/compiler/GF/Grammar/Macros.hs index 6798b22d0..e516f0e47 100644 --- a/src/compiler/GF/Grammar/Macros.hs +++ b/src/compiler/GF/Grammar/Macros.hs @@ -225,6 +225,12 @@ isPredefConstant t = case t of Q (mod,_) | mod == cPredef || mod == cPredefAbs -> True _ -> False +checkPredefError :: Monad m => Term -> m Term +checkPredefError t = + case t of + Error s -> fail ("Error: "++s) + _ -> return t + cnPredef :: Ident -> Term cnPredef f = Q (cPredef,f) |