pprCoreExpr,
pprCoreBinding,
pprBigCoreBinder,
- pprTypedCoreBinder,
- pprPlainCoreBinding
+ pprTypedCoreBinder
-- these are here to make the instances go in 0.26:
#if __GLASGOW_HASKELL__ <= 26
import IdInfo ( ppIdInfo, StrictnessInfo(..) )
import Literal ( Literal{-instances-} )
import Outputable -- quite a few things
-import PprType ( pprType_Internal,
- GenType{-instances-}, GenTyVar{-instance-}
- )
+import PprEnv
+import PprType ( GenType{-instances-}, GenTyVar{-instance-} )
import PprStyle ( PprStyle(..) )
import Pretty
import PrimOp ( PrimOp{-instances-} )
usually be called through some intermediary.
The binder/occ printers take the default ``homogenized'' (see
-@PrintEnv@...) @Pretty@ and the binder/occ. They can either use the
+@PprEnv@...) @Pretty@ and the binder/occ. They can either use the
homogenized one, or they can ignore it completely. In other words,
the things passed in act as ``hooks'', getting the last word on how to
print something.
@pprParendCoreExpr@ puts parens around non-atomic Core expressions.
\begin{code}
-pprPlainCoreBinding :: PprStyle -> CoreBinding -> Pretty
+pprCoreBinding :: PprStyle -> CoreBinding -> Pretty
-pprCoreBinding
+pprGenCoreBinding
:: (Eq tyvar, Outputable tyvar,
Eq uvar, Outputable uvar,
Outputable bndr,
-> GenCoreBinding bndr occ tyvar uvar
-> Pretty
-pprCoreBinding sty pbdr1 pbdr2 pocc bind
- = ppr_bind (initial_pe sty (Left (pbdr1, pbdr2, pocc))) bind
-
-pprPlainCoreBinding sty (NonRec binder expr)
+pprGenCoreBinding sty pbdr1 pbdr2 pocc bind
+ = ppr_bind (init_ppr_env sty pbdr1 pbdr2 pocc) bind
+
+init_ppr_env sty pbdr1 pbdr2 pocc
+ = initPprEnv sty
+ (Just (ppr sty)) -- literals
+ (Just (ppr sty)) -- data cons
+ (Just (ppr sty)) -- primops
+ (Just (\ cc -> ppStr (showCostCentre sty True cc)))
+ (Just (ppr sty)) -- tyvars
+ (Just (ppr sty)) -- usage vars
+ (Just pbdr1) (Just pbdr2) (Just pocc) -- value vars
+ (Just (ppr sty)) -- types
+ (Just (ppr sty)) -- usages
+
+--------------
+pprCoreBinding sty (NonRec binder expr)
= ppHang (ppCat [pprBigCoreBinder sty binder, ppEquals])
4 (pprCoreExpr sty (pprBigCoreBinder sty) (pprBabyCoreBinder sty) (ppr sty) expr)
-pprPlainCoreBinding sty (Rec binds)
+pprCoreBinding sty (Rec binds)
= ppAboves [ifPprDebug sty (ppStr "{- plain Rec -}"),
ppAboves (map ppr_bind binds),
ifPprDebug sty (ppStr "{- end plain Rec -}")]
\end{code}
\begin{code}
-pprCoreExpr, pprParendCoreExpr
+pprCoreExpr
+ :: PprStyle
+ -> (Id -> Pretty) -- to print "major" val_bdrs
+ -> (Id -> Pretty) -- to print "minor" val_bdrs
+ -> (Id -> Pretty) -- to print bindees
+ -> CoreExpr
+ -> Pretty
+pprCoreExpr = pprGenCoreExpr
+
+pprGenCoreExpr, pprParendCoreExpr
:: (Eq tyvar, Outputable tyvar, Eq uvar, Outputable uvar,
Outputable bndr,
Outputable occ)
-> GenCoreExpr bndr occ tyvar uvar
-> Pretty
-pprCoreExpr sty pbdr1 pbdr2 pocc expr
- = ppr_expr (initial_pe sty (Left (pbdr1, pbdr2, pocc))) expr
+pprGenCoreExpr sty pbdr1 pbdr2 pocc expr
+ = ppr_expr (init_ppr_env sty pbdr1 pbdr2 pocc) expr
pprParendCoreExpr sty pbdr1 pbdr2 pocc expr
= let
Lit _ -> id
_ -> ppParens -- wraps in parens
in
- parenify (pprCoreExpr sty pbdr1 pbdr2 pocc expr)
+ parenify (pprGenCoreExpr sty pbdr1 pbdr2 pocc expr)
ppr_core_arg sty pocc arg
- = ppr_arg (initial_pe sty (Left (pocc, pocc, pocc))) arg
+ = ppr_arg (init_ppr_env sty pocc pocc pocc) arg
ppr_core_alts sty pbdr1 pbdr2 pocc alts
- = ppr_alts (initial_pe sty (Left (pbdr1, pbdr2, pocc))) alts
+ = ppr_alts (init_ppr_env sty pbdr1 pbdr2 pocc) alts
ppr_core_default sty pbdr1 pbdr2 pocc deflt
- = ppr_default (initial_pe sty (Left (pbdr1, pbdr2, pocc))) deflt
+ = ppr_default (init_ppr_env sty pbdr1 pbdr2 pocc) deflt
\end{code}
%************************************************************************
Eq uvar, Outputable uvar)
=>
Outputable (GenCoreBinding bndr occ tyvar uvar) where
- ppr sty bind = pprCoreBinding sty (ppr sty) (ppr sty) (ppr sty) bind
+ ppr sty bind = pprGenCoreBinding sty (ppr sty) (ppr sty) (ppr sty) bind
instance
(Outputable bndr, Outputable occ, Eq tyvar, Outputable tyvar,
Eq uvar, Outputable uvar)
=>
Outputable (GenCoreExpr bndr occ tyvar uvar) where
- ppr sty expr = pprCoreExpr sty (ppr sty) (ppr sty) (ppr sty) expr
+ ppr sty expr = pprGenCoreExpr sty (ppr sty) (ppr sty) (ppr sty) expr
instance
(Outputable occ, Eq tyvar, Outputable tyvar, Eq uvar, Outputable uvar)
%************************************************************************
%* *
-\subsection{Core printing environment (purely local)}
-%* *
-%************************************************************************
-
-Similar to @VE@ in @PprType@. The ``values'' we print here
-are locally-defined nested-scope names; callers to @pprCoreBinding@,
-etc., can override these.
-
-For tyvars and uvars, we {\em do} normally use these homogenized
-names; for values, we {\em don't}. In printing interfaces, though,
-we use homogenized value names, so that interfaces don't wobble
-uncontrollably from changing Unique-based names.
-
-\begin{code}
-data PrintEnv tyvar uvar bndr occ
- = PE (Literal -> Pretty) -- Doing these this way saves
- (DataCon -> Pretty) -- carrying around a PprStyle
- (PrimOp -> Pretty)
- (CostCentre -> Pretty)
-
- [Pretty] -- Tyvar pretty names
- (tyvar -> Pretty) -- Tyvar lookup function
- [Pretty] -- Uvar pretty names
- (uvar -> Pretty) -- Uvar lookup function
-
- (GenType tyvar uvar -> Pretty)
- (GenUsage uvar -> Pretty)
-
- (ValPrinters bndr occ)
-
-data ValPrinters bndr occ
- = BOPE -- print binders/occs differently
- (bndr -> Pretty) -- to print "major" val_bdrs
- (bndr -> Pretty) -- to print "minor" val_bdrs
- (occ -> Pretty) -- to print bindees
-
- | VPE -- print all values the same way
- [Pretty] -- Value pretty names
- (bndr -> Pretty) -- Binder lookup function
- (occ -> Pretty) -- Occurrence lookup function
-\end{code}
-
-\begin{code}
-initial_pe :: (Eq tyvar, Outputable tyvar, Eq uvar, Outputable uvar,
- Outputable bndr, Outputable occ)
- => PprStyle
- -> Either
- (bndr -> Pretty, bndr -> Pretty, occ -> Pretty)
- ()
- -> PrintEnv tyvar uvar bndr occ
-
-initial_pe sty val_printing
- = PE (ppr sty) -- for a Literal
- (ppr sty) -- for a DataCon
- (ppr sty) -- for a PrimOp
- (\ cc -> ppStr (showCostCentre sty True cc)) -- CostCentre
-
- tv_pretties ppr_tv -- for a TyVar
- uv_pretties ppr_uv -- for a UsageVar
-
- (\ ty -> pprType_Internal sty tv_pretties ppr_tv uv_pretties ppr_uv ty)
- (ppr sty) -- for a Usage
-
- val_printing_stuff
- where
- ppr_tv = ppr sty -- to print a tyvar
- ppr_uv = ppr sty -- to print a uvar
-
- tv_pretties = map (\ c -> ppChar c ) ['a' .. 'h']
- ++
- map (\ n -> ppBeside (ppChar 'a') (ppInt n))
- ([0 .. ] :: [Int]) -- a0 ... aN
-
- uv_pretties = map (\ c -> ppChar c ) ['u' .. 'y']
- ++
- map (\ n -> ppBeside (ppChar 'u') (ppInt n))
- ([0 .. ] :: [Int]) -- u0 ... uN
-
- val_pretties = map (\ c -> ppChar c ) ['i' .. 'k']
- ++ map (\ n -> ppBeside (ppChar 'v') (ppInt n))
- ([0 .. ] :: [Int]) -- v0 ... vN
-
- ------------------------
- val_printing_stuff
- = case val_printing of
- Left (pbdr1, pbdr2, pocc) -> BOPE pbdr1 pbdr2 pocc
- Right () -> VPE val_pretties (ppr sty) (ppr sty)
-
-\end{code}
-
-\begin{code}
-plit (PE pp _ _ _ _ _ _ _ _ _ _) = pp
-pcon (PE _ pp _ _ _ _ _ _ _ _ _) = pp
-pprim (PE _ _ pp _ _ _ _ _ _ _ _) = pp
-pscc (PE _ _ _ pp _ _ _ _ _ _ _) = pp
-ptyvar (PE _ _ _ _ _ pp _ _ _ _ _) = pp
-puvar (PE _ _ _ _ _ _ _ pp _ _ _) = pp
-
-pty (PE _ _ _ _ _ _ _ _ pp _ _) = pp
-puse (PE _ _ _ _ _ _ _ _ _ pp _) = pp
-
-pmaj_bdr (PE _ _ _ _ _ _ _ _ _ _ (BOPE pp _ _)) = pp
-pmaj_bdr (PE _ _ _ _ _ _ _ _ _ _ (VPE _ pp _)) = pp
-
-pmin_bdr (PE _ _ _ _ _ _ _ _ _ _ (BOPE _ pp _)) = pp
-pmin_bdr (PE _ _ _ _ _ _ _ _ _ _ (VPE _ pp _)) = pp
-
-pocc (PE _ _ _ _ _ _ _ _ _ _ (BOPE _ _ pp)) = pp
-pocc (PE _ _ _ _ _ _ _ _ _ _ (VPE _ _ pp)) = pp
-\end{code}
-
-%************************************************************************
-%* *
\subsection{Workhorse routines (...????...)}
%* *
%************************************************************************
\begin{code}
ppr_bind pe (NonRec val_bdr expr)
- = ppHang (ppCat [pmaj_bdr pe val_bdr, ppEquals])
+ = ppHang (ppCat [pMajBndr pe val_bdr, ppEquals])
4 (ppr_expr pe expr)
ppr_bind pe (Rec binds)
ppStr "{- end Rec -}" ]
where
ppr_pair (val_bdr, expr)
- = ppHang (ppCat [pmaj_bdr pe val_bdr, ppEquals])
+ = ppHang (ppCat [pMajBndr pe val_bdr, ppEquals])
4 (ppr_expr pe expr)
\end{code}
\end{code}
\begin{code}
-ppr_expr pe (Var name) = pocc pe name
-ppr_expr pe (Lit lit) = plit pe lit
-ppr_expr pe (Con con []) = pcon pe con
+ppr_expr pe (Var name) = pOcc pe name
+ppr_expr pe (Lit lit) = pLit pe lit
+ppr_expr pe (Con con []) = pCon pe con
ppr_expr pe (Con con args)
- = ppHang (ppBesides [pcon pe con, ppChar '!'])
+ = ppHang (ppBesides [pCon pe con, ppChar '!'])
4 (ppSep (map (ppr_arg pe) args))
ppr_expr pe (Prim prim args)
- = ppHang (ppBesides [pprim pe prim, ppChar '!'])
+ = ppHang (ppBesides [pPrim pe prim, ppChar '!'])
4 (ppSep (map (ppr_arg pe) args))
ppr_expr pe expr@(Lam _ _)
= let
(uvars, tyvars, vars, body) = collectBinders expr
in
- ppHang (ppCat [pp_vars SLIT("_/u\\_") (puvar pe) uvars,
- pp_vars SLIT("_/\\_") (ptyvar pe) tyvars,
- pp_vars SLIT("\\") (pmin_bdr pe) vars])
+ ppHang (ppCat [pp_vars SLIT("_/u\\_") (pUVar pe) uvars,
+ pp_vars SLIT("_/\\_") (pTyVar pe) tyvars,
+ pp_vars SLIT("\\") (pMinBndr pe) vars])
4 (ppr_expr pe body)
where
pp_vars lam pp [] = ppNil
ppr_expr pe expr@(App _ _)
= let
- (fun, args) = collectArgs expr
+ (fun, uargs, targs, vargs) = collectArgs expr
in
ppHang (ppr_parend_expr pe fun)
- 4 (ppSep (map (ppr_arg pe) args))
+ 4 (ppSep [ ppInterleave ppNil (map (pUse pe) uargs)
+ , ppInterleave ppNil (map (pTy pe) targs)
+ , ppInterleave ppNil (map (ppr_arg pe) vargs)
+ ])
ppr_expr pe (Case expr alts)
= ppSep
ppr_expr pe (Let bind@(NonRec val_bdr rhs@(Let _ _)) body)
= ppAboves [
- ppCat [ppStr "let {", pmaj_bdr pe val_bdr, ppEquals],
+ ppCat [ppStr "let {", pMajBndr pe val_bdr, ppEquals],
ppNest 2 (ppr_expr pe rhs),
ppStr "} in",
ppr_expr pe body ]
ppr_expr pe (Let bind@(NonRec val_bdr rhs) expr@(Let _ _))
= ppAbove
(ppHang (ppStr "let {")
- 2 (ppCat [ppHang (ppCat [pmaj_bdr pe val_bdr, ppEquals])
+ 2 (ppCat [ppHang (ppCat [pMajBndr pe val_bdr, ppEquals])
4 (ppr_expr pe rhs),
ppStr "} in"]))
(ppr_expr pe expr)
ppHang (ppStr "} in ") 2 (ppr_expr pe expr)]
ppr_expr pe (SCC cc expr)
- = ppSep [ppCat [ppPStr SLIT("_scc_"), pscc pe cc],
+ = ppSep [ppCat [ppPStr SLIT("_scc_"), pSCC pe cc],
ppr_parend_expr pe expr ]
\end{code}
= ppAboves [ ppAboves (map ppr_alt alts), ppr_default pe deflt ]
where
ppr_alt (con, params, expr)
- = ppHang (ppCat [ppr_con con (pcon pe con),
- ppInterleave ppSP (map (pmin_bdr pe) params),
+ = ppHang (ppCat [ppr_con con (pCon pe con),
+ ppInterleave ppSP (map (pMinBndr pe) params),
ppStr "->"])
4 (ppr_expr pe expr)
where
= ppAboves [ ppAboves (map ppr_alt alts), ppr_default pe deflt ]
where
ppr_alt (lit, expr)
- = ppHang (ppCat [plit pe lit, ppStr "->"])
+ = ppHang (ppCat [pLit pe lit, ppStr "->"])
4 (ppr_expr pe expr)
\end{code}
ppr_default pe NoDefault = ppNil
ppr_default pe (BindDefault val_bdr expr)
- = ppHang (ppCat [pmin_bdr pe val_bdr, ppStr "->"])
+ = ppHang (ppCat [pMinBndr pe val_bdr, ppStr "->"])
4 (ppr_expr pe expr)
\end{code}
\begin{code}
-ppr_arg pe (LitArg lit) = plit pe lit
-ppr_arg pe (VarArg v) = pocc pe v
-ppr_arg pe (TyArg ty) = pty pe ty
-ppr_arg pe (UsageArg use) = puse pe use
+ppr_arg pe (LitArg lit) = pLit pe lit
+ppr_arg pe (VarArg v) = pOcc pe v
+ppr_arg pe (TyArg ty) = pTy pe ty
+ppr_arg pe (UsageArg use) = pUse pe use
\end{code}
Other printing bits-and-bobs used with the general @pprCoreBinding@
projects / ghc-hetmet.git / blobdiff