diff options
Diffstat (limited to 'src/compiler/GF/Grammar/Lexer.x')
| -rw-r--r-- | src/compiler/GF/Grammar/Lexer.x | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/GF/Grammar/Lexer.x b/src/compiler/GF/Grammar/Lexer.x index 57577ba16..fe455c58a 100644 --- a/src/compiler/GF/Grammar/Lexer.x +++ b/src/compiler/GF/Grammar/Lexer.x @@ -19,6 +19,7 @@ import qualified Data.Map as Map import Data.Word(Word8) import Data.Char(readLitChar) --import Debug.Trace(trace) +import qualified Control.Monad.Fail as Fail } @@ -285,7 +286,7 @@ instance Monad P where PFailed posn err -> PFailed posn err -instance MonadFail P where +instance Fail.MonadFail P where fail msg = P $ \(_,AI posn _ _) -> PFailed posn msg |