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Commit 5a262457 authored by Pavel Zakopaylo's avatar Pavel Zakopaylo
Browse files

Added debugging information to printf

parent a6e3ebba
......@@ -10,10 +10,15 @@ import Prelude
import Data.Char (toUpper)
import Mu.AST
import Text.Printf (printf)
import qualified Text.Printf (printf, PrintfType)
import Control.Applicative ((<$>))
import Control.Monad (Monad(..), mapM)
import Control.Monad.Trans.Reader (runReader, Reader, ask, local)
import Debug.Trace
-- debugging printf() is basically impossible otherwise
printf :: (Text.Printf.PrintfType r) => String -> r
printf a = trace a (Text.Printf.printf a)
class PrettyPrint a where
ppFormat :: a -> Reader String String
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