X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Futils%2FOutputable.lhs;h=c4a685b3b5e3ab05029bb68ab7a3ea0e7f502e0c;hp=37f116cfe0e31717c13e9eb0706e47237629832a;hb=b187c221cc97679e28118ae8ac2997d6a686ba14;hpb=98bef4db89b57b01c8f557a027dbeb8ae72407c9 diff --git a/compiler/utils/Outputable.lhs b/compiler/utils/Outputable.lhs index 37f116c..c4a685b 100644 --- a/compiler/utils/Outputable.lhs +++ b/compiler/utils/Outputable.lhs @@ -59,9 +59,9 @@ module Outputable ( mkUserStyle, cmdlineParserStyle, Depth(..), -- * Error handling and debugging utilities - pprPanic, assertPprPanic, pprPanicFastInt, pprPgmError, - pprTrace, warnPprTrace, - trace, pgmError, panic, panicFastInt, assertPanic + pprPanic, pprSorry, assertPprPanic, pprPanicFastInt, pprPgmError, + pprTrace, pprDefiniteTrace, warnPprTrace, + trace, pgmError, panic, sorry, panicFastInt, assertPanic ) where import {-# SOURCE #-} Module( Module, ModuleName, moduleName ) @@ -82,12 +82,12 @@ import System.IO ( Handle, stderr, stdout, hFlush ) import System.FilePath -#if __GLASGOW_HASKELL__ >= 700 -import GHC.Show ( showMultiLineString ) +#if __GLASGOW_HASKELL__ >= 701 +import GHC.Show ( showMultiLineString ) #else showMultiLineString :: String -> [String] -- Crude version -showMultiLineString s = [s] +showMultiLineString s = [ showList s "" ] #endif \end{code} @@ -779,27 +779,38 @@ plural _ = char 's' %************************************************************************ \begin{code} + pprPanic :: String -> SDoc -> a -- ^ Throw an exception saying "bug in GHC" -pprPgmError :: String -> SDoc -> a --- ^ Throw an exception saying "bug in pgm being compiled" (used for unusual program errors) -pprTrace :: String -> SDoc -> a -> a --- ^ If debug output is on, show some 'SDoc' on the screen - pprPanic = pprAndThen panic +pprSorry :: String -> SDoc -> a +-- ^ Throw an exceptio saying "this isn't finished yet" +pprSorry = pprAndThen sorry + + +pprPgmError :: String -> SDoc -> a +-- ^ Throw an exception saying "bug in pgm being compiled" (used for unusual program errors) pprPgmError = pprAndThen pgmError + +pprTrace :: String -> SDoc -> a -> a +-- ^ If debug output is on, show some 'SDoc' on the screen pprTrace str doc x | opt_NoDebugOutput = x | otherwise = pprAndThen trace str doc x +pprDefiniteTrace :: String -> SDoc -> a -> a +-- ^ Same as pprTrace, but show even if -dno-debug-output is on +pprDefiniteTrace str doc x = pprAndThen trace str doc x + pprPanicFastInt :: String -> SDoc -> FastInt -- ^ Specialization of pprPanic that can be safely used with 'FastInt' pprPanicFastInt heading pretty_msg = panicFastInt (show (doc PprDebug)) where doc = text heading <+> pretty_msg + pprAndThen :: (String -> a) -> String -> SDoc -> a pprAndThen cont heading pretty_msg = cont (show (doc PprDebug)) where