Add Outputable.blankLine and use it

[ghc-hetmet.git] / compiler / deSugar / Desugar.lhs

diff --git a/compiler/deSugar/Desugar.lhs b/compiler/deSugar/Desugar.lhs
index 8387146..521d1ad 100644 (file)
--- a/compiler/deSugar/Desugar.lhs
+++ b/compiler/deSugar/Desugar.lhs
@@ -48,6 +48,7 @@ import Data.IORef
 %************************************************************************
 
 \begin{code}
+-- | Main entry point to the desugarer.
 deSugar :: HscEnv -> ModLocation -> TcGblEnv -> IO (Messages, Maybe ModGuts)
 -- Can modify PCS by faulting in more declarations
 
@@ -77,7 +78,7 @@ deSugar hsc_env
 
        -- Desugar the program
         ; let export_set = availsToNameSet exports
-       ; let auto_scc = mkAutoScc mod export_set
+       ; let auto_scc = mkAutoScc dflags mod export_set
         ; let target = hscTarget dflags
         ; let hpcInfo = emptyHpcInfo other_hpc_info
        ; (msgs, mb_res)
@@ -150,16 +151,18 @@ deSugar hsc_env
         ; return (msgs, Just mod_guts)
        }}}
 
-mkAutoScc :: Module -> NameSet -> AutoScc
-mkAutoScc mod exports
+mkAutoScc :: DynFlags -> Module -> NameSet -> AutoScc
+mkAutoScc dflags mod exports
   | not opt_SccProfilingOn     -- No profiling
   = NoSccs             
-  | opt_AutoSccsOnAllToplevs   -- Add auto-scc on all top-level things
+    -- Add auto-scc on all top-level things
+  | dopt Opt_AutoSccsOnAllToplevs dflags
   = AddSccs mod (\id -> not $ isDerivedOccName $ getOccName id)
     -- See #1641.  This is pretty yucky, but I can't see a better way
     -- to identify compiler-generated Ids, and at least this should
     -- catch them all.
-  | opt_AutoSccsOnExportedToplevs      -- Only on exported things
+    -- Only on exported things
+  | dopt Opt_AutoSccsOnExportedToplevs dflags
   = AddSccs mod (\id -> idName id `elemNameSet` exports)
   | otherwise
   = NoSccs
@@ -240,7 +243,7 @@ addExportFlags target exports keep_alive prs rules
 ppr_ds_rules :: [CoreRule] -> SDoc
 ppr_ds_rules [] = empty
 ppr_ds_rules rules
-  = text "" $$ text "-------------- DESUGARED RULES -----------------" $$
+  = blankLine $$ text "-------------- DESUGARED RULES -----------------" $$
     pprRules rules
 \end{code}