2 {-# LANGUAGE OverloadedStrings #-}
5 module Mate.Debug where
7 {- we cannot use `PrintfType' from Text.Printf, as it isn't exported.
8 - so we implement a `VarArgsFake' here.
9 - http://www.haskell.org/haskellwiki/Varargs -}
10 class VarArgsFake t where
11 varFake :: [String] -> t
13 instance VarArgsFake (IO a) where
14 varFake _ = return undefined
16 instance (Show a, VarArgsFake r) => VarArgsFake (a -> r) where
17 varFake _ = \_ -> varFake []
19 printf_fake :: String -> (VarArgsFake t) => t
20 printf_fake _ = varFake []
23 -- see counterpart at `debug.h'
25 printf_jit :: String -> (VarArgsFake t) => t
26 printf_jit = printf_fake
30 printf_bb :: String -> (VarArgsFake t) => t
31 printf_bb = printf_fake
35 printf_mp :: String -> (VarArgsFake t) => t
36 printf_mp = printf_fake
40 printf_cp :: String -> (VarArgsFake t) => t
41 printf_cp = printf_fake
45 printf_str :: String -> (VarArgsFake t) => t
46 printf_str = printf_fake