X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fcmm%2FPprC.hs;h=9fece36a427c634d7d33e1ad1c89a5fb1eb051a1;hb=9d7da331989abcd1844e9d03b8d1e4163796fa85;hp=7427f50ecc0a20638eda12634b86a7c74807781d;hpb=3348660bc5073046a0bf133aaf174ede9f504d27;p=ghc-hetmet.git diff --git a/ghc/compiler/cmm/PprC.hs b/ghc/compiler/cmm/PprC.hs index 7427f50..9fece36 100644 --- a/ghc/compiler/cmm/PprC.hs +++ b/ghc/compiler/cmm/PprC.hs @@ -45,6 +45,7 @@ import Data.Bits ( shiftR ) import Char ( ord, chr ) import IO ( Handle ) import DATA_BITS +import Data.Word ( Word8 ) #ifdef DEBUG import PprCmm () -- instances only @@ -881,25 +882,21 @@ machRepSignedCType r | r == wordRep = ptext SLIT("I_") -- --------------------------------------------------------------------- -- print strings as valid C strings --- Assumes it contains only characters '\0'..'\xFF'! -pprFSInCStyle :: FastString -> SDoc -pprFSInCStyle fs = pprStringInCStyle (unpackFS fs) - -pprStringInCStyle :: String -> SDoc +pprStringInCStyle :: [Word8] -> SDoc pprStringInCStyle s = doubleQuotes (text (concatMap charToC s)) -charToC :: Char -> String -charToC '\"' = "\\\"" -charToC '\'' = "\\\'" -charToC '\\' = "\\\\" -charToC c | c >= ' ' && c <= '~' = [c] - | c > '\xFF' = panic ("charToC "++show c) - | otherwise = ['\\', +charToC :: Word8 -> String +charToC w = + case chr (fromIntegral w) of + '\"' -> "\\\"" + '\'' -> "\\\'" + '\\' -> "\\\\" + c | c >= ' ' && c <= '~' -> [c] + | otherwise -> ['\\', chr (ord '0' + ord c `div` 64), chr (ord '0' + ord c `div` 8 `mod` 8), chr (ord '0' + ord c `mod` 8)] - -- --------------------------------------------------------------------------- -- Initialising static objects with floating-point numbers. We can't -- just emit the floating point number, because C will cast it to an int