import CoreSyn
import CostCentre ( pprCostCentreCore )
import Var ( Var )
-import Id ( Id, idType, isDataConWorkId_maybe, idLBVarInfo, idArity,
- idInfo, idInlinePragma, idOccInfo,
- globalIdDetails, isGlobalId, isExportedId,
- idNewDemandInfo
+import Id ( Id, idType, isDataConWorkId_maybe, idArity,
+ idInfo, globalIdDetails, isGlobalId, isExportedId
)
import Var ( TyVar, isTyVar, tyVarKind )
import IdInfo ( IdInfo, megaSeqIdInfo,
+ inlinePragInfo, occInfo, newDemandInfo,
+ lbvarInfo, hasNoLBVarInfo,
arityInfo, ppArityInfo,
specInfo, pprNewStrictness,
workerInfo, ppWorkerInfo,
newStrictnessInfo, cafInfo, ppCafInfo, specInfoRules
)
-
+import NewDemand ( isTop )
#ifdef OLD_STRICTNESS
import Id ( idDemandInfo )
import IdInfo ( cprInfo, ppCprInfo, strictnessInfo, ppStrictnessInfo )
import DataCon ( dataConTyCon )
import TyCon ( tupleTyConBoxity, isTupleTyCon )
import Type ( pprParendType, pprType, pprParendKind )
-import BasicTypes ( tupleParens )
+import BasicTypes ( tupleParens, isNoOcc, isAlwaysActive )
import Util ( lengthIs )
import Outputable
import FastString ( mkFastString )
ppr_binding :: OutputableBndr b => (b, Expr b) -> SDoc
ppr_binding (val_bdr, expr)
= pprBndr LetBind val_bdr $$
- (ppr val_bdr <+> equals <+> pprCoreExpr expr)
+ hang (ppr val_bdr <+> equals) 2 (pprCoreExpr expr)
\end{code}
\begin{code}
ppr_expr add_par (Case expr var ty [(con,args,rhs)])
= add_par $
- sep [sep [ptext SLIT("case") {- <+> pprParendType ty -} <+> pprCoreExpr expr,
- -- Printing the result type is excessive!
+ sep [sep [ptext SLIT("case") <+> pprCoreExpr expr,
+ ifPprDebug (braces (ppr ty)),
hsep [ptext SLIT("of"),
ppr_bndr var,
char '{',
ppr_expr add_par (Case expr var ty alts)
= add_par $
- sep [sep [ptext SLIT("case") {- <+> pprParendType ty -} <+> pprCoreExpr expr,
+ sep [sep [ptext SLIT("case")
+ <+> pprCoreExpr expr
+ <+> ifPprDebug (braces (ppr ty)),
ptext SLIT("of") <+> ppr_bndr var <+> char '{'],
nest 2 (sep (punctuate semi (map pprCoreAlt alts))),
char '}'
-- pprIdBndr does *not* print the type
-- When printing any Id binder in debug mode, we print its inline pragma and one-shot-ness
-pprIdBndr id = ppr id <+>
- (megaSeqIdInfo (idInfo id) `seq`
- -- Useful for poking on black holes
- brackets (ppr (idInlinePragma id) <+> ppr (idOccInfo id) <+>
+pprIdBndr id = ppr id <+> pprIdBndrInfo (idInfo id)
+
+pprIdBndrInfo info
+ = megaSeqIdInfo `seq` doc -- The seq is useful for poking on black holes
+ where
+ prag_info = inlinePragInfo info
+ occ_info = occInfo info
+ dmd_info = newDemandInfo info
+ lbv_info = lbvarInfo info
+
+ no_info = isAlwaysActive prag_info && isNoOcc occ_info &&
+ (case dmd_info of { Nothing -> True; Just d -> isTop d }) &&
+ hasNoLBVarInfo lbv_info
+
+ doc | no_info = empty
+ | otherwise
+ = brackets $ hcat [ppr prag_info, ppr occ_info,
+ ppr dmd_info, ppr lbv_info
#ifdef OLD_STRICTNESS
- ppr (idDemandInfo id) <+>
+ , ppr (demandInfo id)
#endif
- ppr (idNewDemandInfo id) <+>
- ppr (idLBVarInfo id)))
+ ]
\end{code}