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Merge pull request #182 from eagletmt/fix-for-ghc-7.7.20140110

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Pretty.showDocWith disappeard at GHC 7.7.20140110
This commit is contained in:
Kazu Yamamoto 2014-01-13 23:24:43 -08:00
commit cf0180ed53
2 changed files with 16 additions and 6 deletions
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12
Language/Haskell/GhcMod/Doc.hs
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@ -1,9 +1,9 @@
module Language.Haskell.GhcMod.Doc where
import DynFlags (DynFlags)
import Language.Haskell.GhcMod.Gap (withStyle)
import Language.Haskell.GhcMod.Gap (withStyle, showDocWith)
import Outputable
import Pretty
import Pretty (Mode(..))
----------------------------------------------------------------
@ -27,17 +27,17 @@ styleUnqualified = mkUserStyle neverQualify AllTheWay
-- For "ghc-mod type"
showQualifiedPage :: DynFlags -> SDoc -> String
showQualifiedPage dflag = showDocWith PageMode . withStyle dflag styleQualified
showQualifiedPage dflag = showDocWith dflag PageMode . withStyle dflag styleQualified
-- For "ghc-mod browse" and show GHC's error messages.
showUnqualifiedPage :: DynFlags -> SDoc -> String
showUnqualifiedPage dflag = Pretty.showDocWith Pretty.PageMode
showUnqualifiedPage dflag = showDocWith dflag PageMode
. withStyle dflag styleUnqualified
-- Not used
showQualifiedOneLine :: DynFlags -> SDoc -> String
showQualifiedOneLine dflag = showDocWith OneLineMode . withStyle dflag styleQualified
showQualifiedOneLine dflag = showDocWith dflag OneLineMode . withStyle dflag styleQualified
-- To write Haskell code in a buffer
showUnqualifiedOneLine :: DynFlags -> SDoc -> String
showUnqualifiedOneLine dflag = showDocWith OneLineMode . withStyle dflag styleUnqualified
showUnqualifiedOneLine dflag = showDocWith dflag OneLineMode . withStyle dflag styleUnqualified

10
Language/Haskell/GhcMod/Gap.hs
View File

@ -26,6 +26,7 @@ module Language.Haskell.GhcMod.Gap (
#else
, module Pretty
#endif
, showDocWith
) where
import Control.Applicative hiding (empty)
@ -110,6 +111,15 @@ setLogAction df f =
df { log_action = f df }
#endif
showDocWith :: DynFlags -> Pretty.Mode -> Pretty.Doc -> String
#if __GLASGOW_HASKELL__ >= 707
-- Pretty.showDocWith disappeard.
-- https://github.com/ghc/ghc/commit/08a3536e4246e323fbcd8040e0b80001950fe9bc
showDocWith dflags mode = Pretty.showDoc mode (pprCols dflags)
#else
showDocWith _ = Pretty.showDocWith
#endif
----------------------------------------------------------------
----------------------------------------------------------------