[project @ 2005-01-27 15:53:08 by simonpj]

Remove redundant parens in pretty print

diff --git a/ghc/compiler/coreSyn/PprCore.lhs b/ghc/compiler/coreSyn/PprCore.lhs
index 1c20f51..04aeb5c 100644 (file)
--- a/ghc/compiler/coreSyn/PprCore.lhs
+++ b/ghc/compiler/coreSyn/PprCore.lhs
@@ -21,9 +21,6 @@ import CostCentre     ( pprCostCentreCore )
 import Var             ( Var )
 import Id              ( Id, idType, isDataConWorkId_maybe, idLBVarInfo, idArity,
                          idInfo, idInlinePragma, idOccInfo,
-#ifdef OLD_STRICTNESS
-                         idDemandInfo, 
-#endif
                          globalIdDetails, isGlobalId, isExportedId, 
                          isSpecPragmaId, idNewDemandInfo
                        )
@@ -33,11 +30,13 @@ import IdInfo               ( IdInfo, megaSeqIdInfo,
                          specInfo, pprNewStrictness,
                          workerInfo, ppWorkerInfo,
                          newStrictnessInfo, cafInfo, ppCafInfo,
+                       )
+
 #ifdef OLD_STRICTNESS
-                         cprInfo, ppCprInfo, 
-                         strictnessInfo, ppStrictnessInfo, 
+import Id              ( idDemandInfo )
+import IdInfo          ( cprInfo, ppCprInfo, strictnessInfo, ppStrictnessInfo ) 
 #endif
-                       )
+
 import DataCon         ( dataConTyCon )
 import TyCon           ( tupleTyConBoxity, isTupleTyCon )
 import Type            ( pprParendType, pprType, pprParendKind )
@@ -155,7 +154,7 @@ ppr_expr add_par expr@(App fun arg)
 
 ppr_expr add_par (Case expr var ty [(con,args,rhs)])
   = add_par $
-    sep [sep [ptext SLIT("case") <+> parens (ppr ty) <+> pprCoreExpr expr,
+    sep [sep [ptext SLIT("case") <+> pprParendType ty <+> pprCoreExpr expr,
              hsep [ptext SLIT("of"),
                    ppr_bndr var, 
                    char '{',
@@ -169,7 +168,7 @@ ppr_expr add_par (Case expr var ty [(con,args,rhs)])
 
 ppr_expr add_par (Case expr var ty alts)
   = add_par $
-    sep [sep [ptext SLIT("case") <+> parens (ppr ty) <+> pprCoreExpr expr,
+    sep [sep [ptext SLIT("case") <+> pprParendType ty <+> pprCoreExpr expr,
              ptext SLIT("of") <+> ppr_bndr var <+> char '{'],
         nest 2 (sep (punctuate semi (map pprCoreAlt alts))),
         char '}'