%
-% (c) The GRASP/AQUA Project, Glasgow University, 1992-1995
+% (c) The GRASP/AQUA Project, Glasgow University, 1992-1996
%
%************************************************************************
%* *
#include "HsVersions.h"
module PprAbsC (
-#ifdef __GLASGOW_HASKELL__
writeRealC,
+ dumpRealC
+#ifdef DEBUG
+ , pprAmode -- otherwise, not exported
#endif
- dumpRealC,
-#if defined(DEBUG) || defined(DPH)
- pprAmode, -- otherwise, not exported
-#endif
-#ifdef DPH
- pprAbsC,
- pprMagicId,
-#endif
-
- -- and for interface self-sufficiency...
- AbstractC, CAddrMode, MagicId,
- PprStyle, CSeq
) where
-IMPORT_Trace -- ToDo: rm (debugging only)
+IMP_Ubiq(){-uitous-}
+
+IMPORT_1_3(IO(Handle))
+IMPORT_1_3(Char(isDigit,isPrint))
+#if __GLASGOW_HASKELL__ == 201
+IMPORT_1_3(GHCbase(Addr(..)) ) -- to see innards
+#elif __GLASGOW_HASKELL__ >= 202
+import GlaExts (Addr(..))
+#endif
+
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ <= 201
+IMPORT_DELOOPER(AbsCLoop) -- break its dependence on ClosureInfo
+#else
+import {-# SOURCE #-} ClosureInfo
+#endif
import AbsCSyn
-import AbsPrel ( pprPrimOp, primOpNeedsWrapper, PrimOp(..)
- IF_ATTACK_PRAGMAS(COMMA tagOf_PrimOp)
+import AbsCUtils ( getAmodeRep, nonemptyAbsC,
+ mixedPtrLocn, mixedTypeLocn
+ )
+import Constants ( spARelToInt, spBRelToInt, mIN_UPD_SIZE )
+import CLabel ( externallyVisibleCLabel, mkErrorStdEntryLabel,
+ isReadOnly, needsCDecl, pprCLabel,
+ CLabel{-instance Ord-}
+ )
+import CmdLineOpts ( opt_SccProfilingOn )
+import CostCentre ( uppCostCentre, uppCostCentreDecl )
+import Costs ( costs, addrModeCosts, CostRes(..), Side(..) )
+import CStrings ( stringToC )
+import FiniteMap ( addToFM, emptyFM, lookupFM, FiniteMap )
+import HeapOffs ( isZeroOff, subOff, pprHeapOffset )
+import Literal ( showLiteral, Literal(..) )
+import Maybes ( maybeToBool, catMaybes )
+import Pretty
+import PrimOp ( primOpNeedsWrapper, pprPrimOp, PrimOp(..) )
+import PrimRep ( isFloatingRep, showPrimRep, PrimRep(..) )
+import SMRep ( getSMInfoStr, getSMInitHdrStr, getSMUpdInplaceHdrStr,
+ isConstantRep, isSpecRep, isPhantomRep
)
-import BasicLit ( kindOfBasicLit, showBasicLit )
-import CLabelInfo -- lots of things
-import CgCompInfo ( spARelToInt, spBRelToInt, mIN_UPD_SIZE )
-import CgRetConv ( noLiveRegsMask )
-import ClosureInfo -- quite a few things
-import CmdLineOpts ( GlobalSwitch(..) )
-import Costs -- for GrAnSim; cost counting function -- HWL
-import CostCentre
-import FiniteMap
-import Maybes ( catMaybes, maybeToBool, Maybe(..) )
-import Outputable
-import Pretty ( codeStyle, prettyToUn )
-import PrimKind ( showPrimKind, isFloatingKind, PrimKind(..) )
-import SplitUniq
-import StgSyn
-import UniqFM
-import Unique -- UniqueSupply monadery used in flattening
-import Unpretty -- ********** NOTE **********
-import Util
+import Unique ( pprUnique, Unique{-instance NamedThing-} )
+import UniqSet ( emptyUniqSet, elementOfUniqSet,
+ addOneToUniqSet, SYN_IE(UniqSet)
+ )
+import Outputable ( PprStyle(..), printDoc )
+import Util ( nOfThem, panic, assertPanic )
infixr 9 `thenTE`
\end{code}
@pprAbsC@ has a new ``costs'' argument. %% HWL
\begin{code}
-#ifdef __GLASGOW_HASKELL__
-# if __GLASGOW_HASKELL__ < 23
-# define _FILE _Addr
-# endif
-writeRealC :: (GlobalSwitch -> Bool) -> _FILE -> AbstractC -> PrimIO ()
-
-writeRealC sw_chker file absC
- = uppAppendFile file 80 (
- uppAbove (pprAbsC (PprForC sw_chker) absC (costs absC)) (uppChar '\n')
- )
-#endif
-
-dumpRealC :: (GlobalSwitch -> Bool) -> AbstractC -> String
+writeRealC :: Handle -> AbstractC -> IO ()
+writeRealC handle absC = printDoc LeftMode handle (pprAbsC PprForC absC (costs absC))
-dumpRealC sw_chker absC
- = uppShow 80 (
- uppAbove (pprAbsC (PprForC sw_chker) absC (costs absC)) (uppChar '\n')
- )
+dumpRealC :: AbstractC -> String
+dumpRealC absC = show (pprAbsC PprForC absC (costs absC))
\end{code}
This emits the macro, which is used in GrAnSim to compute the total costs
from a cost 5 tuple. %% HWL
\begin{code}
-emitMacro :: CostRes -> Unpretty
+emitMacro :: CostRes -> Doc
-#ifndef GRAN
-emitMacro _ = uppNil
-#else
+-- ToDo: Check a compile time flag to decide whether a macro should be emitted
emitMacro (Cost (i,b,l,s,f))
- = uppBesides [ uppStr "GRAN_EXEC(",
- uppInt i, uppComma, uppInt b, uppComma, uppInt l, uppComma,
- uppInt s, uppComma, uppInt f, pp_paren_semi ]
-#endif {-GRAN-}
+ = hcat [ ptext SLIT("GRAN_EXEC"), char '(',
+ int i, comma, int b, comma, int l, comma,
+ int s, comma, int f, pp_paren_semi ]
\end{code}
\begin{code}
-pp_paren_semi = uppStr ");"
+pp_paren_semi = text ");"
-- ---------------------------------------------------------------------------
--- New type: Now pprAbsC also takes the costs for evaluating the Abstract C
+-- New type: Now pprAbsC also takes the costs for evaluating the Abstract C
-- code as an argument (that's needed when spitting out the GRAN_EXEC macro
-- which must be done before the return i.e. inside absC code) HWL
-- ---------------------------------------------------------------------------
-pprAbsC :: PprStyle -> AbstractC -> CostRes -> Unpretty
+pprAbsC :: PprStyle -> AbstractC -> CostRes -> Doc
-pprAbsC sty AbsCNop _ = uppNil
-pprAbsC sty (AbsCStmts s1 s2) c = uppAbove (pprAbsC sty s1 c) (pprAbsC sty s2 c)
+pprAbsC sty AbsCNop _ = empty
+pprAbsC sty (AbsCStmts s1 s2) c = ($$) (pprAbsC sty s1 c) (pprAbsC sty s2 c)
pprAbsC sty (CClosureUpdInfo info) c
= pprAbsC sty info c
-pprAbsC sty (CAssign dest src) _ = pprAssign sty (getAmodeKind dest) dest src
+pprAbsC sty (CAssign dest src) _ = pprAssign sty (getAmodeRep dest) dest src
pprAbsC sty (CJump target) c
- = uppAbove (uppBesides [emitMacro c {-WDP:, uppStr "/* <--++ CJump */"-} ])
- (uppBesides [ uppStr "JMP_(", pprAmode sty target, pp_paren_semi ])
+ = ($$) (hcat [emitMacro c {-WDP:, text "/* <--++ CJump */"-} ])
+ (hcat [ text jmp_lit, pprAmode sty target, pp_paren_semi ])
pprAbsC sty (CFallThrough target) c
- = uppAbove (uppBesides [emitMacro c {-WDP:, uppStr "/* <--++ CFallThrough */"-} ])
- (uppBesides [ uppStr "JMP_(", pprAmode sty target, pp_paren_semi ])
+ = ($$) (hcat [emitMacro c {-WDP:, text "/* <--++ CFallThrough */"-} ])
+ (hcat [ text jmp_lit, pprAmode sty target, pp_paren_semi ])
-- --------------------------------------------------------------------------
--- Spit out GRAN_EXEC macro immediately before the return HWL
+-- Spit out GRAN_EXEC macro immediately before the return HWL
pprAbsC sty (CReturn am return_info) c
- = uppAbove (uppBesides [emitMacro c {-WDP:, uppStr "/* <---- CReturn */"-} ])
- (uppBesides [uppStr "JMP_(", target, pp_paren_semi ])
+ = ($$) (hcat [emitMacro c {-WDP:, text "/* <---- CReturn */"-} ])
+ (hcat [text jmp_lit, target, pp_paren_semi ])
where
target = case return_info of
- DirectReturn -> uppBesides [uppStr "DIRECT(", pprAmode sty am, uppRparen]
+ DirectReturn -> hcat [ptext SLIT("DIRECT"),char '(', pprAmode sty am, rparen]
DynamicVectoredReturn am' -> mk_vector (pprAmode sty am')
- StaticVectoredReturn n -> mk_vector (uppInt n) -- Always positive
- mk_vector x = uppBesides [uppLparen, pprAmode sty am, uppStr ")[RVREL(", x, uppStr ")]"]
-
-{-UNUSED:
-pprAbsC sty (CComment s) _
- = uppNil -- ifPprShowAll sty (uppCat [uppStr "/*", uppStr s, uppStr "*/"])
--}
+ StaticVectoredReturn n -> mk_vector (int n) -- Always positive
+ mk_vector x = hcat [parens (pprAmode sty am), brackets (text "RVREL" <> parens x)]
-pprAbsC sty (CSplitMarker) _ = uppPStr SLIT("/* SPLIT */")
+pprAbsC sty (CSplitMarker) _ = ptext SLIT("/* SPLIT */")
-- we optimise various degenerate cases of CSwitches.
-- costs function yields nullCosts for whole switch
-- ==> inherited costs c are those of basic block up to switch
-- ==> inherit c + costs for the corresponding branch
--- HWL
+-- HWL
-- --------------------------------------------------------------------------
pprAbsC sty (CSwitch discrim [] deflt) c
empty_deflt = not (maybeToBool (nonemptyAbsC deflt))
pprAbsC sty (CSwitch discrim alts deflt) c -- general case
- | isFloatingKind (getAmodeKind discrim)
+ | isFloatingRep (getAmodeRep discrim)
= pprAbsC sty (foldr ( \ a -> CSwitch discrim [a]) deflt alts) c
| otherwise
- = uppAboves [
- uppBesides [uppStr "switch (", pp_discrim, uppStr ") {"],
- uppNest 2 (uppAboves (map (ppr_alt sty) alts)),
+ = vcat [
+ hcat [text "switch (", pp_discrim, text ") {"],
+ nest 2 (vcat (map (ppr_alt sty) alts)),
(case (nonemptyAbsC deflt) of
- Nothing -> uppNil
+ Nothing -> empty
Just dc ->
- uppNest 2 (uppAboves [uppPStr SLIT("default:"),
- pprAbsC sty dc (c + switch_head_cost
- + costs dc),
- uppPStr SLIT("break;")])),
- uppChar '}' ]
+ nest 2 (vcat [ptext SLIT("default:"),
+ pprAbsC sty dc (c + switch_head_cost
+ + costs dc),
+ ptext SLIT("break;")])),
+ char '}' ]
where
pp_discrim
= pprAmode sty discrim
ppr_alt sty (lit, absC)
- = uppAboves [ uppBesides [uppPStr SLIT("case "), pprBasicLit sty lit, uppChar ':'],
- uppNest 2 (uppAbove (pprAbsC sty absC (c + switch_head_cost + costs absC))
- (uppPStr SLIT("break;"))) ]
+ = vcat [ hcat [ptext SLIT("case "), pprBasicLit sty lit, char ':'],
+ nest 2 (($$) (pprAbsC sty absC (c + switch_head_cost + costs absC))
+ (ptext SLIT("break;"))) ]
-- Costs for addressing header of switch and cond. branching -- HWL
switch_head_cost = addrModeCosts discrim Rhs + (Cost (0, 1, 0, 0, 0))
pprAbsC sty stmt@(COpStmt results op args liveness_mask vol_regs) _
= let
non_void_args = grab_non_void_amodes args
- non_void_results = grab_non_void_amodes results
+ non_void_results = grab_non_void_amodes results
-- if just one result, we print in the obvious "assignment" style;
-- if 0 or many results, we emit a macro call, w/ the results
-- followed by the arguments. The macro presumably knows which
the_op = ppr_op_call non_void_results non_void_args
-- liveness mask is *in* the non_void_args
in
- BIND (ppr_vol_regs sty vol_regs) _TO_ (pp_saves, pp_restores) ->
+ case (ppr_vol_regs sty vol_regs) of { (pp_saves, pp_restores) ->
if primOpNeedsWrapper op then
- uppAboves [ pp_saves,
+ vcat [ pp_saves,
the_op,
pp_restores
]
else
the_op
- BEND
+ }
where
ppr_op_call results args
- = uppBesides [ prettyToUn (pprPrimOp sty op), uppLparen,
- uppIntersperse uppComma (map ppr_op_result results),
- if null results || null args then uppNil else uppComma,
- uppIntersperse uppComma (map (pprAmode sty) args),
+ = hcat [ pprPrimOp sty op, lparen,
+ hcat (punctuate comma (map ppr_op_result results)),
+ if null results || null args then empty else comma,
+ hcat (punctuate comma (map (pprAmode sty) args)),
pp_paren_semi ]
ppr_op_result r = ppr_amode sty r
-- hence we can toss the provided cast...
pprAbsC sty (CSimultaneous abs_c) c
- = uppBesides [uppStr "{{", pprAbsC sty abs_c c, uppStr "}}"]
+ = hcat [ptext SLIT("{{"), pprAbsC sty abs_c c, ptext SLIT("}}")]
pprAbsC sty stmt@(CMacroStmt macro as) _
- = uppBesides [uppStr (show macro), uppLparen,
- uppIntersperse uppComma (map (ppr_amode sty) as),pp_paren_semi] -- no casting
+ = hcat [text (show macro), lparen,
+ hcat (punctuate comma (map (ppr_amode sty) as)),pp_paren_semi] -- no casting
pprAbsC sty stmt@(CCallProfCtrMacro op as) _
- = uppBesides [uppPStr op, uppLparen,
- uppIntersperse uppComma (map (ppr_amode sty) as),pp_paren_semi]
+ = hcat [ptext op, lparen,
+ hcat (punctuate comma (map (ppr_amode sty) as)),pp_paren_semi]
pprAbsC sty stmt@(CCallProfCCMacro op as) _
- = uppBesides [uppPStr op, uppLparen,
- uppIntersperse uppComma (map (ppr_amode sty) as),pp_paren_semi]
+ = hcat [ptext op, lparen,
+ hcat (punctuate comma (map (ppr_amode sty) as)),pp_paren_semi]
pprAbsC sty (CCodeBlock label abs_C) _
= ASSERT( maybeToBool(nonemptyAbsC abs_C) )
- BIND (pprTempAndExternDecls abs_C) _TO_ (pp_temps, pp_exts) ->
- uppAboves [
- uppBesides [uppStr (if (externallyVisibleCLabel label)
+ case (pprTempAndExternDecls abs_C) of { (pp_temps, pp_exts) ->
+ vcat [
+ hcat [text (if (externallyVisibleCLabel label)
then "FN_(" -- abbreviations to save on output
else "IFN_("),
- pprCLabel sty label, uppStr ") {"],
+ pprCLabel sty label, text ") {"],
case sty of
- PprForC _ -> uppAbove pp_exts pp_temps
- _ -> uppNil,
- uppNest 8 (uppPStr SLIT("FB_")),
- uppNest 8 (pprAbsC sty abs_C (costs abs_C)),
- uppNest 8 (uppPStr SLIT("FE_")),
- uppChar '}' ]
- BEND
+ PprForC -> ($$) pp_exts pp_temps
+ _ -> empty,
+ nest 8 (ptext SLIT("FB_")),
+ nest 8 (pprAbsC sty abs_C (costs abs_C)),
+ nest 8 (ptext SLIT("FE_")),
+ char '}' ]
+ }
pprAbsC sty (CInitHdr cl_info reg_rel cost_centre inplace_upd) _
- = uppBesides [ pp_init_hdr, uppStr "_HDR(",
- ppr_amode sty (CAddr reg_rel), uppComma,
- pprCLabel sty info_lbl, uppComma,
- if_profiling sty (pprAmode sty cost_centre), uppComma,
- pprHeapOffset sty size, uppComma, uppInt ptr_wds, pp_paren_semi ]
+ = hcat [ pp_init_hdr, text "_HDR(",
+ ppr_amode sty (CAddr reg_rel), comma,
+ pprCLabel sty info_lbl, comma,
+ if_profiling sty (pprAmode sty cost_centre), comma,
+ pprHeapOffset sty size, comma, int ptr_wds, pp_paren_semi ]
where
info_lbl = infoTableLabelFromCI cl_info
sm_rep = closureSMRep cl_info
size = closureSizeWithoutFixedHdr cl_info
ptr_wds = closurePtrsSize cl_info
- pp_init_hdr = uppStr (if inplace_upd then
+ pp_init_hdr = text (if inplace_upd then
getSMUpdInplaceHdrStr sm_rep
else
getSMInitHdrStr sm_rep)
pprAbsC sty stmt@(CStaticClosure closure_lbl cl_info cost_centre amodes) _
- = BIND (pprTempAndExternDecls stmt) _TO_ (_, pp_exts) ->
- uppAboves [
+ = case (pprTempAndExternDecls stmt) of { (_, pp_exts) ->
+ vcat [
case sty of
- PprForC _ -> pp_exts
- _ -> uppNil,
- uppBesides [
- uppStr "SET_STATIC_HDR(",
- pprCLabel sty closure_lbl, uppComma,
- pprCLabel sty info_lbl, uppComma,
- if_profiling sty (pprAmode sty cost_centre), uppComma,
- ppLocalness closure_lbl, uppComma,
+ PprForC -> pp_exts
+ _ -> empty,
+ hcat [
+ ptext SLIT("SET_STATIC_HDR"),char '(',
+ pprCLabel sty closure_lbl, comma,
+ pprCLabel sty info_lbl, comma,
+ if_profiling sty (pprAmode sty cost_centre), comma,
+ ppLocalness closure_lbl, comma,
ppLocalnessMacro False{-for data-} info_lbl,
- uppChar ')'
+ char ')'
],
- uppNest 2 (uppBesides (map (ppr_item sty) amodes)),
- uppNest 2 (uppBesides (map (ppr_item sty) padding_wds)),
- uppStr "};" ]
- BEND
+ nest 2 (hcat (map (ppr_item sty) amodes)),
+ nest 2 (hcat (map (ppr_item sty) padding_wds)),
+ ptext SLIT("};") ]
+ }
where
info_lbl = infoTableLabelFromCI cl_info
ppr_item sty item
- = if getAmodeKind item == VoidKind
- then uppStr ", (W_) 0" -- might not even need this...
- else uppBeside (uppStr ", (W_)") (ppr_amode sty item)
+ = if getAmodeRep item == VoidRep
+ then text ", (W_) 0" -- might not even need this...
+ else (<>) (text ", (W_)") (ppr_amode sty item)
padding_wds =
if not (closureUpdReqd cl_info) then
[]
else
- BIND (max 0 (mIN_UPD_SIZE - length amodes)) _TO_ still_needed ->
- nOfThem still_needed (mkIntCLit 0) -- a bunch of 0s
- BEND
+ case (max 0 (mIN_UPD_SIZE - length amodes)) of { still_needed ->
+ nOfThem still_needed (mkIntCLit 0) } -- a bunch of 0s
-{-
+{-
STATIC_INIT_HDR(c,i,localness) blows into:
localness W_ c_closure [] = { i_info, extra_fixed_wd<1..n>
-}
pprAbsC sty stmt@(CClosureInfoAndCode cl_info slow maybe_fast upd cl_descr liveness) _
- = uppAboves [
- uppBesides [
+ = vcat [
+ hcat [
pp_info_rep,
- uppStr "_ITBL(",
- pprCLabel sty info_lbl, uppComma,
+ ptext SLIT("_ITBL"),char '(',
+ pprCLabel sty info_lbl, comma,
- -- CONST_ITBL needs an extra label for
+ -- CONST_ITBL needs an extra label for
-- the static version of the object.
if isConstantRep sm_rep
- then uppBeside (pprCLabel sty (closureLabelFromCI cl_info)) uppComma
- else uppNil,
+ then (<>) (pprCLabel sty (closureLabelFromCI cl_info)) comma
+ else empty,
- pprCLabel sty slow_lbl, uppComma,
- pprAmode sty upd, uppComma,
- uppInt liveness, uppComma,
+ pprCLabel sty slow_lbl, comma,
+ pprAmode sty upd, comma,
+ int liveness, comma,
- pp_tag, uppComma,
- pp_size, uppComma,
- pp_ptr_wds, uppComma,
+ pp_tag, comma,
+ pp_size, comma,
+ pp_ptr_wds, comma,
- ppLocalness info_lbl, uppComma,
- ppLocalnessMacro True{-function-} slow_lbl, uppComma,
+ ppLocalness info_lbl, comma,
+ ppLocalnessMacro True{-function-} slow_lbl, comma,
if is_selector
- then uppBeside (uppInt select_word_i) uppComma
- else uppNil,
+ then (<>) (int select_word_i) comma
+ else empty,
- if_profiling sty pp_kind, uppComma,
- if_profiling sty pp_descr, uppComma,
+ if_profiling sty pp_kind, comma,
+ if_profiling sty pp_descr, comma,
if_profiling sty pp_type,
- uppStr ");"
- ],
- pp_slow,
+ text ");"
+ ],
+ pp_slow,
case maybe_fast of
- Nothing -> uppNil
- Just fast -> let stuff = CCodeBlock fast_lbl fast in
+ Nothing -> empty
+ Just fast -> let stuff = CCodeBlock fast_lbl fast in
pprAbsC sty stuff (costs stuff)
]
where
(slow_lbl, pp_slow)
= case (nonemptyAbsC slow) of
- Nothing -> (mkErrorStdEntryLabel, uppNil)
+ Nothing -> (mkErrorStdEntryLabel, empty)
Just xx -> (entryLabelFromCI cl_info,
let stuff = CCodeBlock slow_lbl xx in
pprAbsC sty stuff (costs stuff))
(Just (_, select_word_i)) = maybe_selector
pp_info_rep -- special stuff if it's a selector; otherwise, just the SMrep
- = uppStr (if is_selector then "SELECT" else (getSMInfoStr sm_rep))
+ = text (if is_selector then "SELECT" else (getSMInfoStr sm_rep))
- pp_tag = uppInt (closureSemiTag cl_info)
+ pp_tag = int (closureSemiTag cl_info)
is_phantom = isPhantomRep sm_rep
pp_size = if isSpecRep sm_rep then -- exploiting: SPEC_VHS == 0 (always)
- uppInt (closureNonHdrSize cl_info)
+ int (closureNonHdrSize cl_info)
else if is_phantom then -- do not have sizes for these
- uppNil
+ empty
else
- pprHeapOffset sty (closureSizeWithoutFixedHdr cl_info)
+ pprHeapOffset sty (closureSizeWithoutFixedHdr cl_info)
pp_ptr_wds = if is_phantom then
- uppNil
+ empty
else
- uppInt (closurePtrsSize cl_info)
+ int (closurePtrsSize cl_info)
- pp_kind = uppStr (closureKind cl_info)
- pp_descr = uppBesides [uppChar '"', uppStr (stringToC cl_descr), uppChar '"']
- pp_type = uppBesides [uppChar '"', uppStr (stringToC (closureTypeDescr cl_info)), uppChar '"']
+ pp_kind = text (closureKind cl_info)
+ pp_descr = hcat [char '"', text (stringToC cl_descr), char '"']
+ pp_type = hcat [char '"', text (stringToC (closureTypeDescr cl_info)), char '"']
pprAbsC sty (CRetVector lbl maybes deflt) c
- = uppAboves [ uppStr "{ // CRetVector (lbl????)",
- uppNest 8 (uppSep (map (ppr_maybe_amode sty) maybes)),
- uppStr "} /*default=*/ {", pprAbsC sty deflt c,
- uppStr "}"]
+ = vcat [ ptext SLIT("{ // CRetVector (lbl????)"),
+ nest 8 (sep (map (ppr_maybe_amode sty) maybes)),
+ text "} /*default=*/ {", pprAbsC sty deflt c,
+ char '}']
where
- ppr_maybe_amode sty Nothing = uppPStr SLIT("/*default*/")
+ ppr_maybe_amode sty Nothing = ptext SLIT("/*default*/")
ppr_maybe_amode sty (Just a) = pprAmode sty a
pprAbsC sty stmt@(CRetUnVector label amode) _
- = uppBesides [uppStr "UNVECTBL(", pp_static, uppComma, pprCLabel sty label, uppComma,
- pprAmode sty amode, uppRparen]
+ = hcat [ptext SLIT("UNVECTBL"),char '(', pp_static, comma, pprCLabel sty label, comma,
+ pprAmode sty amode, rparen]
where
- pp_static = if externallyVisibleCLabel label then uppNil else uppPStr SLIT("static")
+ pp_static = if externallyVisibleCLabel label then empty else ptext SLIT("static")
pprAbsC sty stmt@(CFlatRetVector label amodes) _
- = BIND (pprTempAndExternDecls stmt) _TO_ (_, pp_exts) ->
- uppAboves [
+ = case (pprTempAndExternDecls stmt) of { (_, pp_exts) ->
+ vcat [
case sty of
- PprForC _ -> pp_exts
- _ -> uppNil,
- uppBesides [ppLocalness label, uppPStr SLIT(" W_ "),
- pprCLabel sty label, uppStr "[] = {"],
- uppNest 2 (uppInterleave uppComma (map (ppr_item sty) amodes)),
- uppStr "};" ]
- BEND
+ PprForC -> pp_exts
+ _ -> empty,
+ hcat [ppLocalness label, ptext SLIT(" W_ "),
+ pprCLabel sty label, text "[] = {"],
+ nest 2 (sep (punctuate comma (map (ppr_item sty) amodes))),
+ text "};" ] }
where
- ppr_item sty item = uppBeside (uppStr "(W_) ") (ppr_amode sty item)
+ ppr_item sty item = (<>) (text "(W_) ") (ppr_amode sty item)
pprAbsC sty (CCostCentreDecl is_local cc) _ = uppCostCentreDecl sty is_local cc
-
-#ifdef DPH
--- Only used for debugging (i.e output abstractC instead of APAL)
-pprAbsC sty (CNativeInfoTableAndCode _ _ absC)
- = uppAboves [uppStr "CNativeInfoTableAndCode (DPH)",
- pprAbsC sty absC]
-#endif {- Data Parallel Haskell -}
\end{code}
\begin{code}
ppLocalness label
- = uppBeside static const
+ = (<>) static const
where
- static = if (externallyVisibleCLabel label) then uppNil else uppPStr SLIT("static ")
- const = if not (isReadOnly label) then uppNil else uppPStr SLIT("const")
+ static = if (externallyVisibleCLabel label) then empty else ptext SLIT("static ")
+ const = if not (isReadOnly label) then empty else ptext SLIT("const")
ppLocalnessMacro for_fun{-vs data-} clabel
- = BIND (if externallyVisibleCLabel clabel then "E" else "I") _TO_ prefix ->
- BIND (if isReadOnly clabel then "RO_" else "") _TO_ suffix ->
- if for_fun
- then uppStr (prefix ++ "F_")
- else uppStr (prefix ++ "D_" ++ suffix)
- BEND BEND
+ = hcat [ char (if externallyVisibleCLabel clabel then 'E' else 'I'),
+ if for_fun then
+ ptext SLIT("F_")
+ else
+ (<>) (ptext SLIT("D_"))
+ (if isReadOnly clabel then
+ ptext SLIT("RO_")
+ else
+ empty)]
\end{code}
\begin{code}
+jmp_lit = "JMP_("
+
grab_non_void_amodes amodes
= filter non_void amodes
non_void amode
- = case (getAmodeKind amode) of
- VoidKind -> False
+ = case (getAmodeRep amode) of
+ VoidRep -> False
k -> True
\end{code}
\begin{code}
-ppr_vol_regs :: PprStyle -> [MagicId] -> (Unpretty, Unpretty)
+ppr_vol_regs :: PprStyle -> [MagicId] -> (Doc, Doc)
-ppr_vol_regs sty [] = (uppNil, uppNil)
+ppr_vol_regs sty [] = (empty, empty)
ppr_vol_regs sty (VoidReg:rs) = ppr_vol_regs sty rs
ppr_vol_regs sty (r:rs)
= let pp_reg = case r of
VanillaReg pk n -> pprVanillaReg n
_ -> pprMagicId sty r
- (more_saves, more_restores) = ppr_vol_regs sty rs
+ (more_saves, more_restores) = ppr_vol_regs sty rs
in
- (uppAbove (uppBeside (uppPStr SLIT("CALLER_SAVE_")) pp_reg) more_saves,
- uppAbove (uppBeside (uppPStr SLIT("CALLER_RESTORE_")) pp_reg) more_restores)
+ (($$) ((<>) (ptext SLIT("CALLER_SAVE_")) pp_reg) more_saves,
+ ($$) ((<>) (ptext SLIT("CALLER_RESTORE_")) pp_reg) more_restores)
-- pp_basic_{saves,restores}: The BaseReg, SpA, SuA, SpB, SuB, Hp and
-- HpLim (see StgRegs.lh) may need to be saved/restored around CCalls,
-- other registers.) Just be *sure* BaseReg is OK before trying to do
-- anything else.
pp_basic_saves
- = uppAboves [
- uppPStr SLIT("CALLER_SAVE_Base"),
- uppPStr SLIT("CALLER_SAVE_SpA"),
- uppPStr SLIT("CALLER_SAVE_SuA"),
- uppPStr SLIT("CALLER_SAVE_SpB"),
- uppPStr SLIT("CALLER_SAVE_SuB"),
- uppPStr SLIT("CALLER_SAVE_Ret"),
--- uppPStr SLIT("CALLER_SAVE_Activity"),
- uppPStr SLIT("CALLER_SAVE_Hp"),
- uppPStr SLIT("CALLER_SAVE_HpLim") ]
+ = vcat [
+ ptext SLIT("CALLER_SAVE_Base"),
+ ptext SLIT("CALLER_SAVE_SpA"),
+ ptext SLIT("CALLER_SAVE_SuA"),
+ ptext SLIT("CALLER_SAVE_SpB"),
+ ptext SLIT("CALLER_SAVE_SuB"),
+ ptext SLIT("CALLER_SAVE_Ret"),
+-- ptext SLIT("CALLER_SAVE_Activity"),
+ ptext SLIT("CALLER_SAVE_Hp"),
+ ptext SLIT("CALLER_SAVE_HpLim") ]
pp_basic_restores
- = uppAboves [
- uppPStr SLIT("CALLER_RESTORE_Base"), -- must be first!
- uppPStr SLIT("CALLER_RESTORE_SpA"),
- uppPStr SLIT("CALLER_RESTORE_SuA"),
- uppPStr SLIT("CALLER_RESTORE_SpB"),
- uppPStr SLIT("CALLER_RESTORE_SuB"),
- uppPStr SLIT("CALLER_RESTORE_Ret"),
--- uppPStr SLIT("CALLER_RESTORE_Activity"),
- uppPStr SLIT("CALLER_RESTORE_Hp"),
- uppPStr SLIT("CALLER_RESTORE_HpLim"),
- uppPStr SLIT("CALLER_RESTORE_StdUpdRetVec"),
- uppPStr SLIT("CALLER_RESTORE_StkStub") ]
+ = vcat [
+ ptext SLIT("CALLER_RESTORE_Base"), -- must be first!
+ ptext SLIT("CALLER_RESTORE_SpA"),
+ ptext SLIT("CALLER_RESTORE_SuA"),
+ ptext SLIT("CALLER_RESTORE_SpB"),
+ ptext SLIT("CALLER_RESTORE_SuB"),
+ ptext SLIT("CALLER_RESTORE_Ret"),
+-- ptext SLIT("CALLER_RESTORE_Activity"),
+ ptext SLIT("CALLER_RESTORE_Hp"),
+ ptext SLIT("CALLER_RESTORE_HpLim"),
+ ptext SLIT("CALLER_RESTORE_StdUpdRetVec"),
+ ptext SLIT("CALLER_RESTORE_StkStub") ]
\end{code}
\begin{code}
if_profiling sty pretty
= case sty of
- PprForC sw_chker -> if sw_chker SccProfilingOn
- then pretty
- else uppChar '0' -- leave it out!
+ PprForC -> if opt_SccProfilingOn
+ then pretty
+ else char '0' -- leave it out!
_ -> {-print it anyway-} pretty
-- ---------------------------------------------------------------------------
-- Changes for GrAnSim:
-- draw costs for computation in head of if into both branches;
--- as no abstractC data structure is given for the head, one is constructed
--- guessing unknown values and fed into the costs function
+-- as no abstractC data structure is given for the head, one is constructed
+-- guessing unknown values and fed into the costs function
-- ---------------------------------------------------------------------------
do_if_stmt sty discrim tag alt_code deflt c
= case tag of
-- This special case happens when testing the result of a comparison.
-- We can just avoid some redundant clutter in the output.
- MachInt n _ | n==0 -> ppr_if_stmt sty (pprAmode sty discrim)
+ MachInt n _ | n==0 -> ppr_if_stmt sty (pprAmode sty discrim)
deflt alt_code
- (addrModeCosts discrim Rhs) c
+ (addrModeCosts discrim Rhs) c
other -> let
- cond = uppBesides [ pprAmode sty discrim,
- uppPStr SLIT(" == "),
+ cond = hcat [ pprAmode sty discrim,
+ ptext SLIT(" == "),
pprAmode sty (CLit tag) ]
in
- ppr_if_stmt sty cond
+ ppr_if_stmt sty cond
alt_code deflt
(addrModeCosts discrim Rhs) c
ppr_if_stmt sty pp_pred then_part else_part discrim_costs c
- = uppAboves [
- uppBesides [uppStr "if (", pp_pred, uppStr ") {"],
- uppNest 8 (pprAbsC sty then_part (c + discrim_costs +
- (Cost (0, 2, 0, 0, 0)) +
+ = vcat [
+ hcat [text "if (", pp_pred, text ") {"],
+ nest 8 (pprAbsC sty then_part (c + discrim_costs +
+ (Cost (0, 2, 0, 0, 0)) +
costs then_part)),
- (case nonemptyAbsC else_part of Nothing -> uppNil; Just _ -> uppStr "} else {"),
- uppNest 8 (pprAbsC sty else_part (c + discrim_costs +
- (Cost (0, 1, 0, 0, 0)) +
+ (case nonemptyAbsC else_part of Nothing -> empty; Just _ -> text "} else {"),
+ nest 8 (pprAbsC sty else_part (c + discrim_costs +
+ (Cost (0, 1, 0, 0, 0)) +
costs else_part)),
- uppChar '}' ]
+ char '}' ]
{- Total costs = inherited costs (before if) + costs for accessing discrim
- + costs for cond branch ( = (0, 1, 0, 0, 0) )
+ + costs for cond branch ( = (0, 1, 0, 0, 0) )
+ costs for that alternative
-}
\end{code}
Some rough notes on generating code for @CCallOp@:
1) Evaluate all arguments and stuff them into registers. (done elsewhere)
-2) Save any essential registers (heap, stack, etc).
+2) Save any essential registers (heap, stack, etc).
ToDo: If stable pointers are in use, these must be saved in a place
where the runtime system can get at them so that the Stg world can
(This happens after restoration of essential registers because we
might need the @Base@ register to access all the others correctly.)
+{- Doesn't apply anymore with ForeignObj, structure create via primop.
+ makeForeignObj (ForeignObj is not CReturnable)
7) If returning Malloc Pointer, build a closure containing the
appropriate value.
-
+-}
Otherwise, copy local variable into result register.
8) If ccall (not casm), declare the function being called as extern so
basic_restores;
restores;
- #if MallocPtr
- constructMallocPtr(liveness, return_reg, _ccall_result);
- #else
- return_reg = _ccall_result;
- #end
+ return_reg = _ccall_result;
}
\end{pseudocode}
* make sure we save all our registers away where the garbage collector
can get at them.
* be sure that there are no live registers or we're in trouble.
- (This can cause problems if you try something foolish like passing
- an array or mallocptr to a _ccall_GC_ thing.)
+ (This can cause problems if you try something foolish like passing
+ an array or foreign obj to a _ccall_GC_ thing.)
* increment/decrement the @inCCallGC@ counter before/after the call so
that the runtime check that PerformGC is being used sensibly will work.
\begin{code}
pprCCall sty op@(CCallOp op_str is_asm may_gc _ _) args results liveness_mask vol_regs
= if (may_gc && liveness_mask /= noLiveRegsMask)
- then panic ("Live register in _casm_GC_ \"" ++ casm_str ++ "\" " ++ (uppShow 80 (uppCat pp_non_void_args)) ++ "\n")
+ then panic ("Live register in _casm_GC_ \"" ++ casm_str ++ "\" " ++ (show (hsep pp_non_void_args)) ++ "\n")
else
--- trace ("casm \"" ++ casm_str ++ "\" " ++ (uppShow 80 (uppCat localVars)) ++ (uppShow 80 (uppCat pp_non_void_args)))
- uppAboves [
- uppChar '{',
+ vcat [
+ char '{',
declare_local_vars, -- local var for *result*
- uppAboves local_arg_decls,
- -- if is_asm then uppNil else declareExtern,
+ vcat local_arg_decls,
+ -- if is_asm then empty else declareExtern,
pp_save_context,
process_casm local_vars pp_non_void_args casm_str,
pp_restore_context,
assign_results,
- uppChar '}'
+ char '}'
]
where
(pp_saves, pp_restores) = ppr_vol_regs sty vol_regs
(pp_save_context, pp_restore_context) =
if may_gc
- then ( uppStr "extern StgInt inCCallGC; SaveAllStgRegs(); inCCallGC++;",
- uppStr "inCCallGC--; RestoreAllStgRegs();")
- else ( pp_basic_saves `uppAbove` pp_saves,
- pp_basic_restores `uppAbove` pp_restores)
+ then ( text "extern StgInt inCCallGC; SaveAllStgRegs(); inCCallGC++;",
+ text "inCCallGC--; RestoreAllStgRegs();")
+ else ( pp_basic_saves $$ pp_saves,
+ pp_basic_restores $$ pp_restores)
- non_void_args =
- let nvas = tail args
+ non_void_args =
+ let nvas = tail args
in ASSERT (all non_void nvas) nvas
- -- the first argument will be the "I/O world" token (a VoidKind)
+ -- the first argument will be the "I/O world" token (a VoidRep)
-- all others should be non-void
- non_void_results =
- let nvrs = grab_non_void_amodes results
+ non_void_results =
+ let nvrs = grab_non_void_amodes results
in ASSERT (length nvrs <= 1) nvrs
-- there will usually be two results: a (void) state which we
-- should ignore and a (possibly void) result.
-- Remainder only used for ccall
- ccall_str = uppShow 80
- (uppBesides [
- if null non_void_results
- then uppNil
- else uppPStr SLIT("%r = "),
- uppLparen, uppPStr op_str, uppLparen,
- uppIntersperse uppComma ccall_args,
- uppStr "));"
+ ccall_str = show
+ (hcat [
+ if null non_void_results
+ then empty
+ else text "%r = ",
+ lparen, ptext op_str, lparen,
+ hcat (punctuate comma ccall_args),
+ text "));"
])
num_args = length non_void_args
- ccall_args = take num_args [ uppBeside (uppChar '%') (uppInt i) | i <- [0..] ]
+ ccall_args = take num_args [ (<>) (char '%') (int i) | i <- [0..] ]
\end{code}
If the argument is a heap object, we need to reach inside and pull out
the bit the C world wants to see. The only heap objects which can be
-passed are @Array@s, @ByteArray@s and @MallocPtr@s.
+passed are @Array@s, @ByteArray@s and @ForeignObj@s.
\begin{code}
-ppr_casm_arg :: PprStyle -> CAddrMode -> Int -> (Unpretty, Unpretty)
+ppr_casm_arg :: PprStyle -> CAddrMode -> Int -> (Doc, Doc)
-- (a) decl and assignment, (b) local var to be used later
ppr_casm_arg sty amode a_num
= let
- a_kind = getAmodeKind amode
+ a_kind = getAmodeRep amode
pp_amode = pprAmode sty amode
pp_kind = pprPrimKind sty a_kind
- local_var = uppBeside (uppPStr SLIT("_ccall_arg")) (uppInt a_num)
+ local_var = (<>) (ptext SLIT("_ccall_arg")) (int a_num)
(arg_type, pp_amode2)
= case a_kind of
-- for array arguments, pass a pointer to the body of the array
-- (PTRS_ARR_CTS skips over all the header nonsense)
- ArrayKind -> (pp_kind,
- uppBesides [uppStr "PTRS_ARR_CTS(", pp_amode, uppRparen])
- ByteArrayKind -> (pp_kind,
- uppBesides [uppStr "BYTE_ARR_CTS(", pp_amode, uppRparen])
-
- -- for Malloc Pointers, use MALLOC_PTR_DATA to fish out the contents.
- MallocPtrKind -> (uppPStr SLIT("StgMallocPtr"),
- uppBesides [uppStr "MallocPtr_CLOSURE_DATA(", pp_amode, uppStr")"])
+ ArrayRep -> (pp_kind,
+ hcat [ptext SLIT("PTRS_ARR_CTS"),char '(', pp_amode, rparen])
+ ByteArrayRep -> (pp_kind,
+ hcat [ptext SLIT("BYTE_ARR_CTS"),char '(', pp_amode, rparen])
+
+ -- for ForeignObj, use FOREIGN_OBJ_DATA to fish out the contents.
+ ForeignObjRep -> (ptext SLIT("StgForeignObj"),
+ hcat [ptext SLIT("ForeignObj_CLOSURE_DATA"),char '(',
+ pp_amode, char ')'])
other -> (pp_kind, pp_amode)
declare_local_var
- = uppBesides [ arg_type, uppSP, local_var, uppEquals, pp_amode2, uppSemi ]
+ = hcat [ arg_type, space, local_var, equals, pp_amode2, semi ]
in
(declare_local_var, local_var)
\end{code}
We only allow zero or one results.
-2) Is the result is a mallocptr?
+{- With the introduction of ForeignObj (MallocPtr++), no longer necess.
+2) Is the result is a foreign obj?
The mallocptr must be encapsulated immediately in a heap object.
-
+-}
\begin{code}
ppr_casm_results ::
PprStyle -- style
-> [CAddrMode] -- list of results (length <= 1)
- -> Unpretty -- liveness mask
- ->
- ( Unpretty, -- declaration of any local vars
- [Unpretty], -- list of result vars (same length as results)
- Unpretty ) -- assignment (if any) of results in local var to registers
+ -> Doc -- liveness mask
+ ->
+ ( Doc, -- declaration of any local vars
+ [Doc], -- list of result vars (same length as results)
+ Doc ) -- assignment (if any) of results in local var to registers
-ppr_casm_results sty [] liveness
- = (uppNil, [], uppNil) -- no results
+ppr_casm_results sty [] liveness
+ = (empty, [], empty) -- no results
ppr_casm_results sty [r] liveness
= let
result_reg = ppr_amode sty r
- r_kind = getAmodeKind r
+ r_kind = getAmodeRep r
- local_var = uppPStr SLIT("_ccall_result")
+ local_var = ptext SLIT("_ccall_result")
(result_type, assign_result)
= case r_kind of
- MallocPtrKind ->
- (uppPStr SLIT("StgMallocPtr"),
- uppBesides [ uppStr "constructMallocPtr(",
- liveness, uppComma,
- result_reg, uppComma,
- local_var,
- pp_paren_semi ])
- _ ->
+{-
+ @ForeignObj@s replaces MallocPtrs and are *not* CReturnable.
+ Instead, external references have to explicitly turned into ForeignObjs
+ using the primop makeForeignObj#. Benefit: Multiple finalisation
+ routines can be accommodated and the below special case is not needed.
+ Price is, of course, that you have to explicitly wrap `foreign objects'
+ with makeForeignObj#.
+
+ ForeignObjRep ->
+ (ptext SLIT("StgForeignObj"),
+ hcat [ ptext SLIT("constructForeignObj"),char '(',
+ liveness, comma,
+ result_reg, comma,
+ local_var,
+ pp_paren_semi ])
+-}
+ _ ->
(pprPrimKind sty r_kind,
- uppBesides [ result_reg, uppEquals, local_var, uppSemi ])
+ hcat [ result_reg, equals, local_var, semi ])
- declare_local_var = uppBesides [ result_type, uppSP, local_var, uppSemi ]
- in
+ declare_local_var = hcat [ result_type, space, local_var, semi ]
+ in
(declare_local_var, [local_var], assign_result)
-ppr_casm_results sty rs liveness
+ppr_casm_results sty rs liveness
= panic "ppr_casm_results: ccall/casm with many results"
\end{code}
Note the sneaky way _the_ result is represented by a list so that we
can complain if it's used twice.
-ToDo: Any chance of giving line numbers when process-casm fails?
+ToDo: Any chance of giving line numbers when process-casm fails?
Or maybe we should do a check _much earlier_ in compiler. ADR
\begin{code}
process_casm ::
- [Unpretty] -- results (length <= 1)
- -> [Unpretty] -- arguments
+ [Doc] -- results (length <= 1)
+ -> [Doc] -- arguments
-> String -- format string (with embedded %'s)
- ->
- Unpretty -- code being generated
+ ->
+ Doc -- code being generated
process_casm results args string = process results args string
where
- process [] _ "" = uppNil
- process (_:_) _ "" = error ("process_casm: non-void result not assigned while processing _casm_ \"" ++ string ++ "\"\n(Try changing result type to PrimIO ()\n")
+ process [] _ "" = empty
+ process (_:_) _ "" = error ("process_casm: non-void result not assigned while processing _casm_ \"" ++ string ++ "\"\n(Try changing result type to PrimIO ()\n")
process ress args ('%':cs)
= case cs of
- [] ->
+ [] ->
error ("process_casm: lonely % while processing _casm_ \"" ++ string ++ "\".\n")
- ('%':css) ->
- uppBeside (uppChar '%') (process ress args css)
+ ('%':css) ->
+ (<>) (char '%') (process ress args css)
- ('r':css) ->
+ ('r':css) ->
case ress of
[] -> error ("process_casm: no result to match %r while processing _casm_ \"" ++ string ++ "\".\nTry deleting %r or changing result type from PrimIO ()\n")
- [r] -> uppBeside r (process [] args css)
+ [r] -> (<>) r (process [] args css)
_ -> panic ("process_casm: casm with many results while processing _casm_ \"" ++ string ++ "\".\n")
other ->
- case readDec other of
- [(num,css)] ->
+ let
+ read_int :: ReadS Int
+ read_int = reads
+ in
+ case (read_int other) of
+ [(num,css)] ->
if 0 <= num && num < length args
- then uppBesides [uppLparen, args !! num, uppRparen,
- process ress args css]
+ then (<>) (parens (args !! num))
+ (process ress args css)
else error ("process_casm: no such arg #:"++(show num)++" while processing \"" ++ string ++ "\".\n")
_ -> error ("process_casm: not %<num> while processing _casm_ \"" ++ string ++ "\".\n")
process ress args (other_c:cs)
- = uppBeside (uppChar other_c) (process ress args cs)
+ = (<>) (char other_c) (process ress args cs)
\end{code}
%************************************************************************
First of all, the kind of the thing being assigned can be gotten from
the destination addressing mode. (It should be the same as the kind
of the source addressing mode.) If the kind of the assignment is of
-@VoidKind@, then don't generate any code at all.
+@VoidRep@, then don't generate any code at all.
\begin{code}
-pprAssign :: PprStyle -> PrimKind -> CAddrMode -> CAddrMode -> Unpretty
-
-pprAssign sty VoidKind dest src = uppNil
+pprAssign :: PprStyle -> PrimRep -> CAddrMode -> CAddrMode -> Doc
-#if 0
-pprAssign sty kind dest src
- | (kind /= getAmodeKind dest) || (kind /= getAmodeKind src)
- = uppCat [uppStr "Bad kind:", pprPrimKind sty kind,
- pprPrimKind sty (getAmodeKind dest), pprAmode sty dest,
- pprPrimKind sty (getAmodeKind src), pprAmode sty src]
-#endif
+pprAssign sty VoidRep dest src = empty
\end{code}
Special treatment for floats and doubles, to avoid unwanted conversions.
\begin{code}
-pprAssign sty FloatKind dest@(CVal reg_rel _) src
- = uppBesides [ uppStr "ASSIGN_FLT(", ppr_amode sty (CAddr reg_rel), uppComma, pprAmode sty src, pp_paren_semi ]
+pprAssign sty FloatRep dest@(CVal reg_rel _) src
+ = hcat [ ptext SLIT("ASSIGN_FLT"),char '(', ppr_amode sty (CAddr reg_rel), comma, pprAmode sty src, pp_paren_semi ]
-pprAssign sty DoubleKind dest@(CVal reg_rel _) src
- = uppBesides [ uppStr "ASSIGN_DBL(", ppr_amode sty (CAddr reg_rel), uppComma, pprAmode sty src, pp_paren_semi ]
+pprAssign sty DoubleRep dest@(CVal reg_rel _) src
+ = hcat [ ptext SLIT("ASSIGN_DBL"),char '(', ppr_amode sty (CAddr reg_rel), comma, pprAmode sty src, pp_paren_semi ]
\end{code}
Lastly, the question is: will the C compiler think the types of the
-two sides of the assignment match?
+two sides of the assignment match?
We assume that the types will match
if neither side is a @CVal@ addressing mode for any register
which can point into the heap or B stack.
Why? Because the heap and B stack are used to store miscellaneous things,
-whereas the A stack, temporaries, registers, etc., are only used for things
+whereas the A stack, temporaries, registers, etc., are only used for things
of fixed type.
\begin{code}
pprAssign sty kind (CReg (VanillaReg _ dest)) (CReg (VanillaReg _ src))
- = uppBesides [ pprVanillaReg dest, uppEquals,
- pprVanillaReg src, uppSemi ]
+ = hcat [ pprVanillaReg dest, equals,
+ pprVanillaReg src, semi ]
pprAssign sty kind dest src
| mixedTypeLocn dest
-- Add in a cast to StgWord (a.k.a. W_) iff the destination is mixed
- = uppBesides [ ppr_amode sty dest, uppEquals,
- uppStr "(W_)(", -- Here is the cast
+ = hcat [ ppr_amode sty dest, equals,
+ text "(W_)(", -- Here is the cast
ppr_amode sty src, pp_paren_semi ]
pprAssign sty kind dest src
- | mixedPtrLocn dest && getAmodeKind src /= PtrKind
+ | mixedPtrLocn dest && getAmodeRep src /= PtrRep
-- Add in a cast to StgPtr (a.k.a. P_) iff the destination is mixed
- = uppBesides [ ppr_amode sty dest, uppEquals,
- uppStr "(P_)(", -- Here is the cast
+ = hcat [ ppr_amode sty dest, equals,
+ text "(P_)(", -- Here is the cast
ppr_amode sty src, pp_paren_semi ]
-pprAssign sty ByteArrayKind dest src
+pprAssign sty ByteArrayRep dest src
| mixedPtrLocn src
-- Add in a cast to StgPtr (a.k.a. B_) iff the source is mixed
- = uppBesides [ ppr_amode sty dest, uppEquals,
- uppStr "(B_)(", -- Here is the cast
+ = hcat [ ppr_amode sty dest, equals,
+ text "(B_)(", -- Here is the cast
ppr_amode sty src, pp_paren_semi ]
-
+
pprAssign sty kind other_dest src
- = uppBesides [ ppr_amode sty other_dest, uppEquals,
- pprAmode sty src, uppSemi ]
+ = hcat [ ppr_amode sty other_dest, equals,
+ pprAmode sty src, semi ]
\end{code}
@pprAmode@.
\begin{code}
-pprAmode, ppr_amode :: PprStyle -> CAddrMode -> Unpretty
+pprAmode, ppr_amode :: PprStyle -> CAddrMode -> Doc
\end{code}
For reasons discussed above under assignments, @CVal@ modes need
question.)
\begin{code}
-pprAmode sty (CVal reg_rel FloatKind)
- = uppBesides [ uppStr "PK_FLT(", ppr_amode sty (CAddr reg_rel), uppRparen ]
-pprAmode sty (CVal reg_rel DoubleKind)
- = uppBesides [ uppStr "PK_DBL(", ppr_amode sty (CAddr reg_rel), uppRparen ]
+pprAmode sty (CVal reg_rel FloatRep)
+ = hcat [ text "PK_FLT(", ppr_amode sty (CAddr reg_rel), rparen ]
+pprAmode sty (CVal reg_rel DoubleRep)
+ = hcat [ text "PK_DBL(", ppr_amode sty (CAddr reg_rel), rparen ]
\end{code}
-Next comes the case where there is some other cast need, and the
+Next comes the case where there is some other cast need, and the
no-cast case:
\begin{code}
pprAmode sty amode
| mixedTypeLocn amode
- = uppBesides [ uppLparen, pprPrimKind sty (getAmodeKind amode), uppStr ")(",
- ppr_amode sty amode, uppRparen]
+ = parens (hcat [ pprPrimKind sty (getAmodeRep amode), ptext SLIT(")("),
+ ppr_amode sty amode ])
| otherwise -- No cast needed
= ppr_amode sty amode
\end{code}
\begin{code}
ppr_amode sty (CVal reg_rel _)
= case (pprRegRelative sty False{-no sign wanted-} reg_rel) of
- (pp_reg, Nothing) -> uppBeside (uppChar '*') pp_reg
- (pp_reg, Just offset) -> uppBesides [ pp_reg, uppLbrack, offset, uppRbrack ]
+ (pp_reg, Nothing) -> (<>) (char '*') pp_reg
+ (pp_reg, Just offset) -> hcat [ pp_reg, brackets offset ]
-ppr_amode sty (CAddr reg_rel)
+ppr_amode sty (CAddr reg_rel)
= case (pprRegRelative sty True{-sign wanted-} reg_rel) of
(pp_reg, Nothing) -> pp_reg
- (pp_reg, Just offset) -> uppBeside pp_reg offset
+ (pp_reg, Just offset) -> (<>) pp_reg offset
ppr_amode sty (CReg magic_id) = pprMagicId sty magic_id
-ppr_amode sty (CTemp uniq kind) = prettyToUn (pprUnique uniq)
+ppr_amode sty (CTemp uniq kind) = pprUnique uniq <> char '_'
ppr_amode sty (CLbl label kind) = pprCLabel sty label
-ppr_amode sty (CUnVecLbl direct vectored)
- = uppBesides [uppStr "(StgRetAddr) UNVEC(", pprCLabel sty direct, uppComma,
- pprCLabel sty vectored, uppRparen]
+ppr_amode sty (CUnVecLbl direct vectored)
+ = hcat [char '(',ptext SLIT("StgRetAddr"),char ')', ptext SLIT("UNVEC"),char '(', pprCLabel sty direct, comma,
+ pprCLabel sty vectored, rparen]
-ppr_amode sty (CCharLike char)
- = uppBesides [uppStr "CHARLIKE_CLOSURE(", pprAmode sty char, uppRparen ]
-ppr_amode sty (CIntLike int)
- = uppBesides [uppStr "INTLIKE_CLOSURE(", pprAmode sty int, uppRparen ]
+ppr_amode sty (CCharLike ch)
+ = hcat [ptext SLIT("CHARLIKE_CLOSURE"), char '(', pprAmode sty ch, rparen ]
+ppr_amode sty (CIntLike int)
+ = hcat [ptext SLIT("INTLIKE_CLOSURE"), char '(', pprAmode sty int, rparen ]
-ppr_amode sty (CString str) = uppBesides [uppChar '"', uppStr (stringToC (_UNPK_ str)), uppChar '"']
+ppr_amode sty (CString str) = hcat [char '"', text (stringToC (_UNPK_ str)), char '"']
-- ToDo: are these *used* for anything?
ppr_amode sty (CLit lit) = pprBasicLit sty lit
-ppr_amode sty (CLitLit str _) = uppPStr str
+ppr_amode sty (CLitLit str _) = ptext str
ppr_amode sty (COffset off) = pprHeapOffset sty off
ppr_amode sty (CCode abs_C)
- = uppAboves [ uppStr "{ -- CCode", uppNest 8 (pprAbsC sty abs_C (costs abs_C)), uppChar '}' ]
+ = vcat [ ptext SLIT("{ -- CCode"), nest 8 (pprAbsC sty abs_C (costs abs_C)), char '}' ]
ppr_amode sty (CLabelledCode label abs_C)
- = uppAboves [ uppBesides [pprCLabel sty label, uppStr " = { -- CLabelledCode"],
- uppNest 8 (pprAbsC sty abs_C (costs abs_C)), uppChar '}' ]
+ = vcat [ hcat [pprCLabel sty label, ptext SLIT(" = { -- CLabelledCode")],
+ nest 8 (pprAbsC sty abs_C (costs abs_C)), char '}' ]
ppr_amode sty (CJoinPoint _ _)
= panic "ppr_amode: CJoinPoint"
ppr_amode sty (CTableEntry base index kind)
- = uppBesides [uppStr "((", pprPrimKind sty kind, uppStr " *)(",
- ppr_amode sty base, uppStr "))[(I_)(", ppr_amode sty index,
- uppStr ")]"]
+ = hcat [text "((", pprPrimKind sty kind, text " *)(",
+ ppr_amode sty base, text "))[(I_)(", ppr_amode sty index,
+ ptext SLIT(")]")]
ppr_amode sty (CMacroExpr pk macro as)
- = uppBesides [uppLparen, pprPrimKind sty pk, uppStr ")(", uppStr (show macro), uppLparen,
- uppIntersperse uppComma (map (pprAmode sty) as), uppStr "))"]
+ = hcat [lparen, pprPrimKind sty pk, text ")(", text (show macro), lparen,
+ hcat (punctuate comma (map (pprAmode sty) as)), text "))"]
ppr_amode sty (CCostCentre cc print_as_string)
= uppCostCentre sty print_as_string cc
%* *
%************************************************************************
-@pprRegRelative@ returns a pair of the @Unpretty@ for the register
-(some casting may be required), and a @Maybe Unpretty@ for the offset
+@pprRegRelative@ returns a pair of the @Doc@ for the register
+(some casting may be required), and a @Maybe Doc@ for the offset
(zero offset gives a @Nothing@).
\begin{code}
-addPlusSign :: Bool -> Unpretty -> Unpretty
+addPlusSign :: Bool -> Doc -> Doc
addPlusSign False p = p
-addPlusSign True p = uppBeside (uppChar '+') p
+addPlusSign True p = (<>) (char '+') p
-pprSignedInt :: Bool -> Int -> Maybe Unpretty -- Nothing => 0
+pprSignedInt :: Bool -> Int -> Maybe Doc -- Nothing => 0
pprSignedInt sign_wanted n
- = if n == 0 then Nothing else
- if n > 0 then Just (addPlusSign sign_wanted (uppInt n))
- else Just (uppInt n)
+ = if n == 0 then Nothing else
+ if n > 0 then Just (addPlusSign sign_wanted (int n))
+ else Just (int n)
-pprRegRelative :: PprStyle
+pprRegRelative :: PprStyle
-> Bool -- True <=> Print leading plus sign (if +ve)
- -> RegRelative
- -> (Unpretty, Maybe Unpretty)
+ -> RegRelative
+ -> (Doc, Maybe Doc)
-pprRegRelative sty sign_wanted r@(SpARel spA off)
- = (pprMagicId sty SpA, pprSignedInt sign_wanted (spARelToInt r))
+pprRegRelative sty sign_wanted (SpARel spA off)
+ = (pprMagicId sty SpA, pprSignedInt sign_wanted (spARelToInt spA off))
-pprRegRelative sty sign_wanted r@(SpBRel spB off)
- = (pprMagicId sty SpB, pprSignedInt sign_wanted (spBRelToInt r))
+pprRegRelative sty sign_wanted (SpBRel spB off)
+ = (pprMagicId sty SpB, pprSignedInt sign_wanted (spBRelToInt spB off))
pprRegRelative sty sign_wanted r@(HpRel hp off)
= let to_print = hp `subOff` off
if isZeroOff to_print then
(pp_Hp, Nothing)
else
- (pp_Hp, Just (uppBeside (uppChar '-') (pprHeapOffset sty to_print)))
+ (pp_Hp, Just ((<>) (char '-') (pprHeapOffset sty to_print)))
-- No parens needed because pprHeapOffset
-- does them when necessary
\end{code}
@pprMagicId@ just prints the register name. @VanillaReg@ registers are
-represented by a discriminated union (@StgUnion@), so we use the @PrimKind@
+represented by a discriminated union (@StgUnion@), so we use the @PrimRep@
to select the union tag.
\begin{code}
-pprMagicId :: PprStyle -> MagicId -> Unpretty
+pprMagicId :: PprStyle -> MagicId -> Doc
-pprMagicId sty BaseReg = uppPStr SLIT("BaseReg")
-pprMagicId sty StkOReg = uppPStr SLIT("StkOReg")
+pprMagicId sty BaseReg = ptext SLIT("BaseReg")
+pprMagicId sty StkOReg = ptext SLIT("StkOReg")
pprMagicId sty (VanillaReg pk n)
- = uppBesides [ pprVanillaReg n, uppChar '.',
- pprUnionTag pk ]
-pprMagicId sty (FloatReg n) = uppBeside (uppPStr SLIT("FltReg")) (uppInt IBOX(n))
-pprMagicId sty (DoubleReg n) = uppBeside (uppPStr SLIT("DblReg")) (uppInt IBOX(n))
-pprMagicId sty TagReg = uppPStr SLIT("TagReg")
-pprMagicId sty RetReg = uppPStr SLIT("RetReg")
-pprMagicId sty SpA = uppPStr SLIT("SpA")
-pprMagicId sty SuA = uppPStr SLIT("SuA")
-pprMagicId sty SpB = uppPStr SLIT("SpB")
-pprMagicId sty SuB = uppPStr SLIT("SuB")
-pprMagicId sty Hp = uppPStr SLIT("Hp")
-pprMagicId sty HpLim = uppPStr SLIT("HpLim")
-pprMagicId sty LivenessReg = uppPStr SLIT("LivenessReg")
---UNUSED pprMagicId sty ActivityReg = uppPStr SLIT("ActivityReg")
-pprMagicId sty StdUpdRetVecReg = uppPStr SLIT("StdUpdRetVecReg")
-pprMagicId sty StkStubReg = uppPStr SLIT("StkStubReg")
-pprMagicId sty CurCostCentre = uppPStr SLIT("CCC")
-pprMagicId sty VoidReg = {-uppStr "RetVoid!"-} panic "pprMagicId:VoidReg!"
-#ifdef DPH
-pprMagicId sty (DataReg _ n) = uppBeside (uppPStr SLIT("RD")) (uppInt n)
-#endif {- Data Parallel Haskell -}
-
-pprVanillaReg :: FAST_INT -> Unpretty
-
-pprVanillaReg n = uppBeside (uppChar 'R') (uppInt IBOX(n))
-
-pprUnionTag :: PrimKind -> Unpretty
-
-pprUnionTag PtrKind = uppChar 'p'
-pprUnionTag CodePtrKind = uppPStr SLIT("fp")
-pprUnionTag DataPtrKind = uppChar 'd'
-pprUnionTag RetKind = uppChar 'r'
-pprUnionTag InfoPtrKind = uppChar 'd'
-pprUnionTag CostCentreKind = panic "pprUnionTag:CostCentre?"
-
-pprUnionTag CharKind = uppChar 'c'
-pprUnionTag IntKind = uppChar 'i'
-pprUnionTag WordKind = uppChar 'w'
-pprUnionTag AddrKind = uppChar 'v'
-pprUnionTag FloatKind = uppChar 'f'
-pprUnionTag DoubleKind = panic "pprUnionTag:Double?"
-
-pprUnionTag StablePtrKind = uppChar 'i'
-pprUnionTag MallocPtrKind = uppChar 'p'
-
-pprUnionTag ArrayKind = uppChar 'p'
-pprUnionTag ByteArrayKind = uppChar 'b'
+ = hcat [ pprVanillaReg n, char '.',
+ pprUnionTag pk ]
+pprMagicId sty (FloatReg n) = (<>) (ptext SLIT("FltReg")) (int IBOX(n))
+pprMagicId sty (DoubleReg n) = (<>) (ptext SLIT("DblReg")) (int IBOX(n))
+pprMagicId sty TagReg = ptext SLIT("TagReg")
+pprMagicId sty RetReg = ptext SLIT("RetReg")
+pprMagicId sty SpA = ptext SLIT("SpA")
+pprMagicId sty SuA = ptext SLIT("SuA")
+pprMagicId sty SpB = ptext SLIT("SpB")
+pprMagicId sty SuB = ptext SLIT("SuB")
+pprMagicId sty Hp = ptext SLIT("Hp")
+pprMagicId sty HpLim = ptext SLIT("HpLim")
+pprMagicId sty LivenessReg = ptext SLIT("LivenessReg")
+pprMagicId sty StdUpdRetVecReg = ptext SLIT("StdUpdRetVecReg")
+pprMagicId sty StkStubReg = ptext SLIT("StkStubReg")
+pprMagicId sty CurCostCentre = ptext SLIT("CCC")
+pprMagicId sty VoidReg = panic "pprMagicId:VoidReg!"
+
+pprVanillaReg :: FAST_INT -> Doc
+
+pprVanillaReg n = (<>) (char 'R') (int IBOX(n))
+
+pprUnionTag :: PrimRep -> Doc
+
+pprUnionTag PtrRep = char 'p'
+pprUnionTag CodePtrRep = ptext SLIT("fp")
+pprUnionTag DataPtrRep = char 'd'
+pprUnionTag RetRep = char 'r'
+pprUnionTag CostCentreRep = panic "pprUnionTag:CostCentre?"
+
+pprUnionTag CharRep = char 'c'
+pprUnionTag IntRep = char 'i'
+pprUnionTag WordRep = char 'w'
+pprUnionTag AddrRep = char 'v'
+pprUnionTag FloatRep = char 'f'
+pprUnionTag DoubleRep = panic "pprUnionTag:Double?"
+
+pprUnionTag StablePtrRep = char 'i'
+pprUnionTag ForeignObjRep = char 'p'
+
+pprUnionTag ArrayRep = char 'p'
+pprUnionTag ByteArrayRep = char 'b'
pprUnionTag _ = panic "pprUnionTag:Odd kind"
-
\end{code}
Find and print local and external declarations for a list of
Abstract~C statements.
\begin{code}
-pprTempAndExternDecls :: AbstractC -> (Unpretty{-temps-}, Unpretty{-externs-})
-pprTempAndExternDecls AbsCNop = (uppNil, uppNil)
+pprTempAndExternDecls :: AbstractC -> (Doc{-temps-}, Doc{-externs-})
+pprTempAndExternDecls AbsCNop = (empty, empty)
pprTempAndExternDecls (AbsCStmts stmt1 stmt2)
= initTE (ppr_decls_AbsC stmt1 `thenTE` \ (t_p1, e_p1) ->
ppr_decls_AbsC stmt2 `thenTE` \ (t_p2, e_p2) ->
- BIND (catMaybes [t_p1, t_p2]) _TO_ real_temps ->
- BIND (catMaybes [e_p1, e_p2]) _TO_ real_exts ->
- returnTE (uppAboves real_temps, uppAboves real_exts)
- BEND BEND
+ case (catMaybes [t_p1, t_p2]) of { real_temps ->
+ case (catMaybes [e_p1, e_p2]) of { real_exts ->
+ returnTE (vcat real_temps, vcat real_exts) }}
)
pprTempAndExternDecls other_stmt
= initTE (ppr_decls_AbsC other_stmt `thenTE` \ (maybe_t, maybe_e) ->
returnTE (
case maybe_t of
- Nothing -> uppNil
+ Nothing -> empty
Just pp -> pp,
case maybe_e of
- Nothing -> uppNil
+ Nothing -> empty
Just pp -> pp )
)
-pprBasicLit :: PprStyle -> BasicLit -> Unpretty
-pprPrimKind :: PprStyle -> PrimKind -> Unpretty
+pprBasicLit :: PprStyle -> Literal -> Doc
+pprPrimKind :: PprStyle -> PrimRep -> Doc
-pprBasicLit sty lit = uppStr (showBasicLit sty lit)
-pprPrimKind sty k = uppStr (showPrimKind k)
+pprBasicLit sty lit = text (showLiteral sty lit)
+pprPrimKind sty k = text (showPrimRep k)
\end{code}
= case (lookupFM labs x) of { Just _ -> True; Nothing -> False }
addToCLabelSet set x = addToFM set x ()
-type UniqueSet = UniqFM ()
-emptyUniqueSet = emptyUFM
-x `elementOfUniqueSet` us
- = case (lookupDirectlyUFM us x) of { Just _ -> True; Nothing -> False }
-addToUniqueSet set x = set `plusUFM` singletonDirectlyUFM x ()
-
-type TEenv = (UniqueSet, CLabelSet)
+type TEenv = (UniqSet Unique, CLabelSet)
type TeM result = TEenv -> (TEenv, result)
initTE :: TeM a -> a
initTE sa
- = case sa (emptyUniqueSet, emptyCLabelSet) of { (_, result) ->
+ = case sa (emptyUniqSet, emptyCLabelSet) of { (_, result) ->
result }
-#ifdef __GLASGOW_HASKELL__
{-# INLINE thenTE #-}
{-# INLINE returnTE #-}
-#endif
thenTE :: TeM a -> (a -> TeM b) -> TeM b
thenTE a b u
tempSeenTE :: Unique -> TeM Bool
tempSeenTE uniq env@(seen_uniqs, seen_labels)
- = if (uniq `elementOfUniqueSet` seen_uniqs)
+ = if (uniq `elementOfUniqSet` seen_uniqs)
then (env, True)
- else ((addToUniqueSet seen_uniqs uniq,
+ else ((addOneToUniqSet seen_uniqs uniq,
seen_labels),
False)
\end{code}
\begin{code}
-pprTempDecl :: Unique -> PrimKind -> Unpretty
+pprTempDecl :: Unique -> PrimRep -> Doc
pprTempDecl uniq kind
- = uppBesides [ pprPrimKind PprDebug kind, uppSP, prettyToUn (pprUnique uniq), uppSemi ]
+ = hcat [ pprPrimKind PprDebug kind, space, pprUnique uniq, ptext SLIT("_;") ]
-ppr_for_C = PprForC ( \ x -> False ) -- pretend no special cmd-line flags
-
-pprExternDecl :: CLabel -> PrimKind -> Unpretty
+pprExternDecl :: CLabel -> PrimRep -> Doc
pprExternDecl clabel kind
= if not (needsCDecl clabel) then
- uppNil -- do not print anything for "known external" things (e.g., < PreludeCore)
+ empty -- do not print anything for "known external" things (e.g., < PreludeCore)
else
- BIND (
+ case (
case kind of
- CodePtrKind -> ppLocalnessMacro True{-function-} clabel
- _ -> ppLocalnessMacro False{-data-} clabel
- ) _TO_ pp_macro_str ->
+ CodePtrRep -> ppLocalnessMacro True{-function-} clabel
+ _ -> ppLocalnessMacro False{-data-} clabel
+ ) of { pp_macro_str ->
- uppBesides [ pp_macro_str, uppLparen, pprCLabel ppr_for_C clabel, pp_paren_semi ]
- BEND
+ hcat [ pp_macro_str, lparen, pprCLabel PprForC clabel, pp_paren_semi ]
+ }
\end{code}
\begin{code}
-ppr_decls_AbsC :: AbstractC -> TeM (Maybe Unpretty{-temps-}, Maybe Unpretty{-externs-})
+ppr_decls_AbsC :: AbstractC -> TeM (Maybe Doc{-temps-}, Maybe Doc{-externs-})
ppr_decls_AbsC AbsCNop = returnTE (Nothing, Nothing)
ppr_decls_AbsC (AbsCStmts stmts_1 stmts_2)
= ppr_decls_AbsC stmts_1 `thenTE` \ p1 ->
ppr_decls_AbsC stmts_2 `thenTE` \ p2 ->
- returnTE (maybe_uppAboves [p1, p2])
+ returnTE (maybe_vcat [p1, p2])
ppr_decls_AbsC (CClosureUpdInfo info)
= ppr_decls_AbsC info
---UNUSED: ppr_decls_AbsC (CComment comment) = returnTE (Nothing, Nothing)
-
ppr_decls_AbsC (CSplitMarker) = returnTE (Nothing, Nothing)
ppr_decls_AbsC (CAssign dest source)
= ppr_decls_Amode dest `thenTE` \ p1 ->
ppr_decls_Amode source `thenTE` \ p2 ->
- returnTE (maybe_uppAboves [p1, p2])
+ returnTE (maybe_vcat [p1, p2])
ppr_decls_AbsC (CJump target) = ppr_decls_Amode target
= ppr_decls_Amode discrim `thenTE` \ pdisc ->
mapTE ppr_alt_stuff alts `thenTE` \ palts ->
ppr_decls_AbsC deflt `thenTE` \ pdeflt ->
- returnTE (maybe_uppAboves (pdisc:pdeflt:palts))
+ returnTE (maybe_vcat (pdisc:pdeflt:palts))
where
ppr_alt_stuff (_, absC) = ppr_decls_AbsC absC
if label_seen then
Nothing
else
- Just (pprExternDecl info_lbl PtrKind))
+ Just (pprExternDecl info_lbl PtrRep))
where
info_lbl = infoTableLabelFromCI cl_info
= ppr_decls_Amodes [entry_lbl, upd_lbl] `thenTE` \ p1 ->
ppr_decls_AbsC slow `thenTE` \ p2 ->
(case maybe_fast of
- Nothing -> returnTE (Nothing, Nothing)
- Just fast -> ppr_decls_AbsC fast) `thenTE` \ p3 ->
- returnTE (maybe_uppAboves [p1, p2, p3])
+ Nothing -> returnTE (Nothing, Nothing)
+ Just fast -> ppr_decls_AbsC fast) `thenTE` \ p3 ->
+ returnTE (maybe_vcat [p1, p2, p3])
where
- entry_lbl = CLbl slow_lbl CodePtrKind
+ entry_lbl = CLbl slow_lbl CodePtrRep
slow_lbl = case (nonemptyAbsC slow) of
Nothing -> mkErrorStdEntryLabel
Just _ -> entryLabelFromCI cl_info
ppr_decls_AbsC (CRetVector label maybe_amodes absC)
= ppr_decls_Amodes (catMaybes maybe_amodes) `thenTE` \ p1 ->
ppr_decls_AbsC absC `thenTE` \ p2 ->
- returnTE (maybe_uppAboves [p1, p2])
+ returnTE (maybe_vcat [p1, p2])
-ppr_decls_AbsC (CRetUnVector label amode)
- = ppr_decls_Amode amode
-
-ppr_decls_AbsC (CFlatRetVector label amodes)
- = ppr_decls_Amodes amodes
-
-#ifdef DPH
-ppr_decls_AbsC (CNativeInfoTableAndCode _ _ absC)
- = ppr_decls_AbsC absC
-#endif {- Data Parallel Haskell -}
+ppr_decls_AbsC (CRetUnVector _ amode) = ppr_decls_Amode amode
+ppr_decls_AbsC (CFlatRetVector _ amodes) = ppr_decls_Amodes amodes
\end{code}
\begin{code}
-ppr_decls_Amode :: CAddrMode -> TeM (Maybe Unpretty, Maybe Unpretty)
+ppr_decls_Amode :: CAddrMode -> TeM (Maybe Doc, Maybe Doc)
ppr_decls_Amode (CVal _ _) = returnTE (Nothing, Nothing)
ppr_decls_Amode (CAddr _) = returnTE (Nothing, Nothing)
ppr_decls_Amode (CReg _) = returnTE (Nothing, Nothing)
-- now, the only place where we actually print temps/externs...
ppr_decls_Amode (CTemp uniq kind)
= case kind of
- VoidKind -> returnTE (Nothing, Nothing)
+ VoidRep -> returnTE (Nothing, Nothing)
other ->
tempSeenTE uniq `thenTE` \ temp_seen ->
returnTE
(if temp_seen then Nothing else Just (pprTempDecl uniq kind), Nothing)
-ppr_decls_Amode (CLbl label VoidKind)
+ppr_decls_Amode (CLbl label VoidRep)
= returnTE (Nothing, Nothing)
ppr_decls_Amode (CLbl label kind)
= labelSeenTE direct `thenTE` \ dlbl_seen ->
labelSeenTE vectored `thenTE` \ vlbl_seen ->
let
- ddcl = if dlbl_seen then uppNil else pprExternDecl direct CodePtrKind
- vdcl = if vlbl_seen then uppNil else pprExternDecl vectored DataPtrKind
+ ddcl = if dlbl_seen then empty else pprExternDecl direct CodePtrRep
+ vdcl = if vlbl_seen then empty else pprExternDecl vectored DataPtrRep
in
returnTE (Nothing,
if (dlbl_seen || not (needsCDecl direct)) &&
(vlbl_seen || not (needsCDecl vectored)) then Nothing
- else Just (uppBesides [uppStr "UNVEC(", ddcl, uppComma, vdcl, uppRparen]))
+ else Just (hcat [ptext SLIT("UNVEC"),char '(', ddcl, comma, vdcl, rparen]))
-}
ppr_decls_Amode (CUnVecLbl direct vectored)
--labelSeenTE direct `thenTE` \ dlbl_seen ->
--labelSeenTE vectored `thenTE` \ vlbl_seen ->
let
- ddcl = {-if dlbl_seen then uppNil else-} pprExternDecl direct CodePtrKind
- vdcl = {-if vlbl_seen then uppNil else-} pprExternDecl vectored DataPtrKind
+ ddcl = {-if dlbl_seen then empty else-} pprExternDecl direct CodePtrRep
+ vdcl = {-if vlbl_seen then empty else-} pprExternDecl vectored DataPtrRep
in
returnTE (Nothing,
if ({-dlbl_seen ||-} not (needsCDecl direct)) &&
({-vlbl_seen ||-} not (needsCDecl vectored)) then Nothing
- else Just (uppBesides [uppStr "UNVEC(", ddcl, uppComma, vdcl, uppRparen]))
+ else Just (hcat [ptext SLIT("UNVEC"),char '(', ddcl, comma, vdcl, rparen]))
ppr_decls_Amode (CTableEntry base index _)
= ppr_decls_Amode base `thenTE` \ p1 ->
ppr_decls_Amode index `thenTE` \ p2 ->
- returnTE (maybe_uppAboves [p1, p2])
+ returnTE (maybe_vcat [p1, p2])
ppr_decls_Amode (CMacroExpr _ _ amodes)
= ppr_decls_Amodes amodes
ppr_decls_Amode other = returnTE (Nothing, Nothing)
-maybe_uppAboves :: [(Maybe Unpretty, Maybe Unpretty)] -> (Maybe Unpretty, Maybe Unpretty)
-maybe_uppAboves ps
- = BIND (unzip ps) _TO_ (ts, es) ->
- BIND (catMaybes ts) _TO_ real_ts ->
- BIND (catMaybes es) _TO_ real_es ->
- (if (null real_ts) then Nothing else Just (uppAboves real_ts),
- if (null real_es) then Nothing else Just (uppAboves real_es))
- BEND BEND BEND
+maybe_vcat :: [(Maybe Doc, Maybe Doc)] -> (Maybe Doc, Maybe Doc)
+maybe_vcat ps
+ = case (unzip ps) of { (ts, es) ->
+ case (catMaybes ts) of { real_ts ->
+ case (catMaybes es) of { real_es ->
+ (if (null real_ts) then Nothing else Just (vcat real_ts),
+ if (null real_es) then Nothing else Just (vcat real_es))
+ } } }
\end{code}
\begin{code}
-ppr_decls_Amodes :: [CAddrMode] -> TeM (Maybe Unpretty, Maybe Unpretty)
+ppr_decls_Amodes :: [CAddrMode] -> TeM (Maybe Doc, Maybe Doc)
ppr_decls_Amodes amodes
= mapTE ppr_decls_Amode amodes `thenTE` \ ps ->
- returnTE ( maybe_uppAboves ps )
+ returnTE ( maybe_vcat ps )
\end{code}
projects / ghc-hetmet.git / blobdiff