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Diffstat (limited to 'src/compiler/GF/Compile/GeneratePMCFG.hs')
| -rw-r--r-- | src/compiler/GF/Compile/GeneratePMCFG.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/GF/Compile/GeneratePMCFG.hs b/src/compiler/GF/Compile/GeneratePMCFG.hs index 0558715c6..35c25cc0d 100644 --- a/src/compiler/GF/Compile/GeneratePMCFG.hs +++ b/src/compiler/GF/Compile/GeneratePMCFG.hs @@ -41,6 +41,7 @@ import Control.Monad import Control.Monad.Identity --import Control.Exception --import Debug.Trace(trace) +import qualified Control.Monad.Fail as Fail ---------------------------------------------------------------------- -- main conversion function @@ -196,6 +197,9 @@ newtype CnvMonad a = CM {unCM :: SourceGrammar -> ([ProtoFCat],[Symbol]) -> Branch b} +instance Fail.MonadFail CnvMonad where + fail = bug + instance Applicative CnvMonad where pure = return (<*>) = ap |