\begin{code}
module PprCore (
- pprCoreExpr, pprParendExpr, pprIfaceUnfolding,
+ pprCoreExpr, pprParendExpr,
pprCoreBinding, pprCoreBindings, pprIdBndr,
- pprCoreRules, pprCoreRule
+ pprCoreBinding, pprCoreBindings, pprCoreAlt,
+ pprCoreRules, pprCoreRule, pprIdCoreRule
) where
#include "HsVersions.h"
import CoreSyn
import CostCentre ( pprCostCentreCore )
import Id ( Id, idType, isDataConId_maybe, idLBVarInfo, idArity,
- idInfo, idInlinePragma, idDemandInfo, idOccInfo
+ idInfo, idInlinePragma, idOccInfo,
+#ifdef DEBUG
+ idDemandInfo,
+#endif
+ globalIdDetails, isGlobalId, isExportedId,
+ isSpecPragmaId, idNewDemandInfo
)
import Var ( isTyVar )
-import IdInfo ( IdInfo, megaSeqIdInfo,
- arityInfo, ppArityInfo, ppFlavourInfo, flavourInfo,
- demandInfo, updateInfo, ppUpdateInfo, specInfo,
- strictnessInfo, ppStrictnessInfo, cafInfo, ppCafInfo,
- cprInfo, ppCprInfo, lbvarInfo,
- workerInfo, ppWorkerInfo
+import IdInfo ( IdInfo, megaSeqIdInfo,
+ arityInfo, ppArityInfo,
+ specInfo, ppStrictnessInfo,
+ workerInfo, ppWorkerInfo,
+ tyGenInfo, ppTyGenInfo,
+ newStrictnessInfo,
+#ifdef DEBUG
+ cprInfo, ppCprInfo,
+ strictnessInfo,
+#endif
)
-import DataCon ( isTupleCon, isUnboxedTupleCon )
+import DataCon ( dataConTyCon )
+import TyCon ( tupleTyConBoxity, isTupleTyCon )
import PprType ( pprParendType, pprTyVarBndr )
+import BasicTypes ( tupleParens )
import PprEnv
+import Util ( lengthIs )
import Outputable
\end{code}
pprCoreBinding = pprTopBind pprCoreEnv
pprCoreExpr = ppr_noparend_expr pprCoreEnv
pprParendExpr = ppr_parend_expr pprCoreEnv
+pprArg = ppr_arg pprCoreEnv
+pprCoreAlt = ppr_alt pprCoreEnv
pprCoreEnv = initCoreEnv pprCoreBinder
\end{code}
Printer for unfoldings in interfaces
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
\begin{code}
-pprIfaceUnfolding :: CoreExpr -> SDoc
-pprIfaceUnfolding = ppr_parend_expr pprIfaceEnv
- -- Notice that it's parenthesised
-
-pprIfaceArg = ppr_arg pprIfaceEnv
-
-pprIfaceEnv = initCoreEnv pprIfaceBinder
-\end{code}
-
-\begin{code}
instance Outputable b => Outputable (Bind b) where
ppr bind = ppr_bind pprGenericEnv bind
in
add_par $
hang (ptext SLIT("\\") <+> sep (map (pBndr pe LambdaBind) bndrs) <+> arrow)
- 4 (ppr_noparend_expr pe body)
+ 2 (ppr_noparend_expr pe body)
ppr_expr add_par pe expr@(App fun arg)
= case collectArgs expr of { (fun, args) ->
Var f -> case isDataConId_maybe f of
-- Notice that we print the *worker*
-- for tuples in paren'd format.
- Just dc | saturated && isTupleCon dc -> parens pp_tup_args
- | saturated && isUnboxedTupleCon dc -> text "(#" <+> pp_tup_args <+> text "#)"
- other -> add_par (hang (pOcc pe f) 4 pp_args)
- where
- saturated = length val_args == idArity f
+ Just dc | saturated && isTupleTyCon tc
+ -> tupleParens (tupleTyConBoxity tc) pp_tup_args
+ where
+ tc = dataConTyCon dc
+ saturated = val_args `lengthIs` idArity f
- other -> add_par (hang (ppr_parend_expr pe fun) 4 pp_args)
+ other -> add_par (hang (pOcc pe f) 2 pp_args)
+
+ other -> add_par (hang (ppr_parend_expr pe fun) 2 pp_args)
}
ppr_expr add_par pe (Case expr var [(con,args,rhs)])
= add_par $
sep [sep [ptext SLIT("case") <+> ppr_noparend_expr pe expr,
ptext SLIT("of") <+> ppr_bndr var <+> char '{'],
- nest 4 (sep (punctuate semi (map ppr_alt alts))),
+ nest 2 (sep (punctuate semi (map (ppr_alt pe) alts))),
char '}'
]
where
ppr_bndr = pBndr pe CaseBind
- ppr_alt (con, args, rhs) = hang (ppr_case_pat pe con args)
- 4 (ppr_noparend_expr pe rhs)
-- special cases: let ... in let ...
-- ("disgusting" SLPJ)
= add_par
(hang (ptext SLIT("let {"))
2 (hsep [hang (hsep [pBndr pe LetBind val_bdr, equals])
- 4 (ppr_noparend_expr pe rhs),
+ 2 (ppr_noparend_expr pe rhs),
ptext SLIT("} in")])
$$
ppr_noparend_expr pe expr)
#else
ppr_expr add_par pe (Note (Coerce to_ty from_ty) expr)
= add_par $
- sep [sep [ptext SLIT("__coerce"), nest 4 (pTy pe to_ty)],
+ sep [sep [ptext SLIT("__coerce"), nest 2 (pTy pe to_ty)],
ppr_parend_expr pe expr]
#endif
ppr_expr add_par pe (Note InlineMe expr)
= add_par $ ptext SLIT("__inline_me") <+> ppr_parend_expr pe expr
-ppr_expr add_par pe (Note (TermUsg u) expr)
- = getPprStyle $ \ sty ->
- if ifaceStyle sty then
- ppr_expr add_par pe expr
- else
- add_par (ppr u <+> ppr_noparend_expr pe expr)
+ppr_alt pe (con, args, rhs)
+ = hang (ppr_case_pat pe con args) 2 (ppr_noparend_expr pe rhs)
ppr_case_pat pe con@(DataAlt dc) args
- | isTupleCon dc
- = parens (hsep (punctuate comma (map ppr_bndr args))) <+> arrow
- | isUnboxedTupleCon dc
- = hsep [text "(# " <>
- hsep (punctuate comma (map ppr_bndr args)) <>
- text " #)",
- arrow]
+ | isTupleTyCon tc
+ = tupleParens (tupleTyConBoxity tc) (hsep (punctuate comma (map ppr_bndr args))) <+> arrow
where
ppr_bndr = pBndr pe CaseBind
+ tc = dataConTyCon dc
ppr_case_pat pe con args
= ppr con <+> hsep (map ppr_bndr args) <+> arrow
\begin{code}
-- Used for printing dump info
pprCoreBinder LetBind binder
- = vcat [sig, pragmas, ppr binder]
+ = vcat [sig, pprIdDetails binder, pragmas, ppr binder]
where
sig = pprTypedBinder binder
- pragmas = ppIdInfo (idInfo binder)
+ pragmas = ppIdInfo binder (idInfo binder)
-- Lambda bound type variables are preceded by "@"
pprCoreBinder LambdaBind bndr = pprTypedBinder bndr
-- Case bound things don't get a signature or a herald
pprCoreBinder CaseBind bndr = pprUntypedBinder bndr
--- Used for printing interface-file unfoldings
-pprIfaceBinder CaseBind binder = pprUntypedBinder binder
-pprIfaceBinder other binder = pprTypedBinder binder
-
pprUntypedBinder binder
- | isTyVar binder = ptext SLIT("@") <+> pprTyVarBndr binder
+ | isTyVar binder = ptext SLIT("@") <+> ppr binder -- NB: don't print kind
| otherwise = pprIdBndr binder
pprTypedBinder binder
-- It's important that the type is parenthesised too, at least when
-- printing interfaces, because we get \ x::(a->b) y::(c->d) -> ...
+-- 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
ifPprDebug (ppr (idInlinePragma id) <+> ppr (idOccInfo id) <+>
- ppr (idDemandInfo id)) <+> ppr (idLBVarInfo id))
+#ifdef DEBUG
+ ppr (idDemandInfo id) <+>
+#endif
+ ppr (idNewDemandInfo id) <+>
+ ppr (idLBVarInfo id)))
\end{code}
\begin{code}
-ppIdInfo :: IdInfo -> SDoc
-ppIdInfo info
- = hsep [
- ppFlavourInfo (flavourInfo info),
- ppArityInfo a,
- ppUpdateInfo u,
+pprIdDetails :: Id -> SDoc
+pprIdDetails id | isGlobalId id = ppr (globalIdDetails id)
+ | isExportedId id = ptext SLIT("[Exported]")
+ | isSpecPragmaId id = ptext SLIT("[SpecPrag]")
+ | otherwise = empty
+
+ppIdInfo :: Id -> IdInfo -> SDoc
+ppIdInfo b info
+ = hsep [ ppArityInfo a,
+ ppTyGenInfo g,
ppWorkerInfo (workerInfo info),
+#ifdef DEBUG
ppStrictnessInfo s,
- ppr d,
- ppCafInfo c,
ppCprInfo m,
- ppr (lbvarInfo info),
- pprIfaceCoreRules p
- -- Inline pragma printed out with all binders; see PprCore.pprIdBndr
+#endif
+ ppr (newStrictnessInfo info),
+ pprCoreRules b p
+ -- Inline pragma, occ, demand, lbvar info
+ -- printed out with all binders (when debug is on);
+ -- see PprCore.pprIdBndr
]
where
a = arityInfo info
- d = demandInfo info
+ g = tyGenInfo info
+#ifdef DEBUG
s = strictnessInfo info
- u = updateInfo info
- c = cafInfo info
m = cprInfo info
+#endif
p = specInfo info
\end{code}
\begin{code}
pprCoreRules :: Id -> CoreRules -> SDoc
-pprCoreRules var (Rules rules _) = vcat (map (pprCoreRule (Just var)) rules)
+pprCoreRules var (Rules rules _) = vcat (map (pprCoreRule (ppr var)) rules)
-pprIfaceCoreRules :: CoreRules -> SDoc
-pprIfaceCoreRules (Rules rules _) = vcat (map (pprCoreRule Nothing) rules)
+pprIdCoreRule :: IdCoreRule -> SDoc
+pprIdCoreRule (id,rule) = pprCoreRule (ppr id) rule
-pprCoreRule :: Maybe Id -> CoreRule -> SDoc
-pprCoreRule maybe_fn (BuiltinRule _)
- = ifPprDebug (ptext SLIT("A built in rule"))
+pprCoreRule :: SDoc -> CoreRule -> SDoc
+pprCoreRule pp_fn (BuiltinRule name _)
+ = ifPprDebug (ptext SLIT("Built in rule for") <+> pp_fn <> colon <+> doubleQuotes (ptext name))
-pprCoreRule maybe_fn (Rule name tpl_vars tpl_args rhs)
- = doubleQuotes (ptext name) <+>
+pprCoreRule pp_fn (Rule name act tpl_vars tpl_args rhs)
+ = doubleQuotes (ptext name) <+> ppr act <+>
sep [
ptext SLIT("__forall") <+> braces (sep (map pprTypedBinder tpl_vars)),
- nest 4 (pp_fn <+> sep (map pprIfaceArg tpl_args)),
- nest 4 (ptext SLIT("=") <+> pprIfaceUnfolding rhs)
+ nest 2 (pp_fn <+> sep (map pprArg tpl_args)),
+ nest 2 (ptext SLIT("=") <+> pprCoreExpr rhs)
] <+> semi
- where
- pp_fn = case maybe_fn of
- Just id -> ppr id
- Nothing -> empty -- Interface file
\end{code}
projects / ghc-hetmet.git / blobdiff