2 \section{Generate COM+ extended assembler}
5 module IlxGen( ilxGen ) where
7 #include "HsVersions.h"
9 import Char ( ord, chr )
11 import Id ( idType, idName, isDeadBinder, idArityInfo )
12 import IdInfo ( arityLowerBound )
13 import Var ( Var, Id, TyVar, isId, isTyVar, tyVarKind, tyVarName )
15 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
16 newTyConRep, tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
18 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
19 isUnLiftedType, isTyVarTy, mkTyVarTy, predRepTy,
20 splitForAllTys, splitFunTys, applyTy, applyTys
22 import TypeRep ( Type(..) )
23 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys )
24 import Literal ( Literal(..) )
25 import PrelNames -- Lots of keys
26 import PrimOp ( PrimOp(..) )
27 import ForeignCall ( ForeignCall(..), CCall(..), CCallTarget(..) )
28 import TysWiredIn ( mkTupleTy, tupleCon )
29 import PrimRep ( PrimRep(..) )
30 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
31 import Subst ( substTy, mkTyVarSubst )
33 import Module ( Module, PackageName, ModuleName, moduleName,
34 modulePackage, preludePackage,
35 isHomeModule, isVanillaModule,
36 pprModuleName, mkHomeModule, mkModuleName
40 import BasicTypes ( Boxity(..) )
41 import CStrings ( CLabelString, pprCLabelString )
42 import CCallConv ( CCallConv )
45 import List ( partition, elem, insertBy,any )
47 import {-# SOURCE #-} PprType( pprType ) -- Only called in debug messages
49 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
51 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
52 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
53 -- names when this is set (because that's clue that -O was set).
54 -- One day this will be configured by the command line.
55 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
61 %************************************************************************
63 \subsection{Main driver}
65 %************************************************************************
68 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
69 -- The TyCons should include those arising from classes
70 ilxGen mod tycons binds_w_srts
71 = vcat [vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
72 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
73 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
74 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
75 vcat (map (ilxTyCon topenv) data_tycons),
76 vcat (map (ilxBindClosures topenv) binds),
77 ilxTopBind mod topenv toppairs
80 binds = map fst binds_w_srts
81 toppairs = ilxPairs binds
82 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
83 -- Generate info from class decls as well
84 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
85 data_tycons = filter isDataTyCon tycons
88 %************************************************************************
90 \subsection{Find Imports}
92 %************************************************************************
96 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo-> ImportsInfo
97 importsBinds env binds = foldR (importsBind env) binds
99 importsNone :: ImportsInfo -> ImportsInfo
100 importsNone sofar = sofar
102 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
103 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
104 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
106 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
107 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
108 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
110 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
111 importsExpr env (StgLit _) = importsNone
112 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
113 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
114 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _ _)) _) args rty)
115 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
117 (ty_args,tm_args) = splitTyArgs1 args
119 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
122 importsExpr env (StgSCC _ expr) = importsExpr env expr
123 importsExpr env (StgCase scrut _ _ bndr _ alts)
124 = importsExpr env scrut. imports_alts alts. importsVar env bndr
126 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
127 -- by the case-binder's type
128 = foldR imports_alg_alt alg_alts . imports_deflt deflt
130 imports_alg_alt (con, bndrs, _, rhs)
131 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
133 imports_alts (StgPrimAlts _ alg_alts deflt)
134 = foldR imports_prim_alt alg_alts . imports_deflt deflt
136 imports_prim_alt (_, rhs) = importsExpr env rhs
137 imports_deflt StgNoDefault = importsNone
138 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
141 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
142 importsExpr env (StgLet bind body)
143 = importsBind env bind . importsExpr env body
145 importsApp env v args = importsVar env v. importsStgArgs env args
146 importsStgArgs env args = foldR (importsStgArg env) args
148 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
149 importsStgArg env (StgTypeArg ty) = importsType env ty
150 importsStgArg env (StgVarArg v) = importsVar env v
151 importsStgArg env _ = importsNone
153 importsVars env vs = foldR (importsVar env) vs
154 importsVar env v = importsName env (idName v). importsType env (idType v)
157 | isLocalName n = importsNone
158 | ilxEnvModule env == nameModule n = importsNone
159 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
161 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
162 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
164 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
167 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
168 importsType env ty = importsType2 env (deepIlxRepType ty)
170 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
171 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
172 importsType2 env (TyVarTy _) = importsNone
173 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
174 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
175 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
176 importsType2 env (NoteTy _ ty) = importsType2 env ty
177 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
178 importsTypeArgs2 env tys = foldR (importsType2 env) tys
180 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
182 importsTyCon env tc | (not (isDataTyCon tc) ||
183 isLocalName (getName tc) ||
184 ilxEnvModule env == nameModule (getName tc)) = importsNone
185 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc
187 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
188 | otherwise = addPackageImpInfo preludePackage
190 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
191 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
192 -- (Packages, Modules, Datatypes, Imported CCalls)
194 emptyImpInfo :: ImportsInfo
195 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
196 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
197 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
198 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
199 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
201 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
202 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
203 ilxImportTyCon _ _ | otherwise = empty
205 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
206 ilxImportPackage _ p = text ".assembly extern ilx" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
208 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
209 ilxImportModule _ m = text ".module extern ilx" <+> singleQuotes (ppr m <> hscOptionQual <> text ".dll")
211 -- Emit a P/Invoke declaration for the imported C function
212 -- TODO: emit the right DLL name
213 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
214 ilxImportCCall env (c,cc,args,ret) =
215 text ".method static assembly pinvokeimpl" <+>
216 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
217 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
218 text "native unmanaged preservesig { }"
221 if isVoidIlxRepType ret then text "void"
222 else ilxTypeR env (deepIlxRepType ret)
227 %************************************************************************
229 \subsection{Type declarations}
231 %************************************************************************
236 ilxTyCon :: IlxEnv -> TyCon -> SDoc
237 ilxTyCon env tycon = ilxTyConDef False env tycon
239 -- filter to get only dataTyCons?
240 ilxTyConDef importing env tycon =
242 text ".classunion" <+> (if importing then text "extern" else empty) <+> text "thunk"
243 <+> ((nameReference env (getName tycon)) <> (ppr tycon)) <+> tyvars_text <+> alts_text]
245 tyvars = tyConTyVars tycon
246 (ilx_tvs, _) = categorizeTyVars tyvars
247 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
248 tyvars_text = pprTyVarBinders alts_env ilx_tvs
249 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
250 alts_text = nest 2 (braces alts)
252 pprIlxDataCon env dcon =
253 text ".alternative" <+> pprId dcon <+>
254 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
258 %************************************************************************
260 \subsection{Getting the .closures and literals out} *
261 %************************************************************************
265 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
266 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
267 ilxBindClosures env (StgRec _ pairs)
268 = vcat (map (ilxRhsClosures new_env) pairs)
270 new_env = extendIlxEnvWithBinds env pairs
273 ilxRhsClosures _ (_, StgRhsCon _ _ _)
276 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
277 = vcat [ilxExprClosures next_env rhs,
280 kind_text <+> singleQuotes cloname <+> free_vs_text,
283 vcat [text ".apply" <+> closure_sig_text,
291 kind_of_thing = case upd of
292 Updatable -> ASSERT( null args ) ".thunk"
293 otherwise -> ".closure"
294 kind_text = text kind_of_thing
296 cloname = ilxEnvQualifyByModule env (ppr bndr)
297 next_env = ilxPlaceStgRhsClosure env bndr
298 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
305 otherwise -> args_text),
306 text "-->" <+> rty_text]
308 (args_text,env_with_args) = pprArgBinders env_with_fvs args
310 -- Find the type returned, from the no. of args and the type of "bndr"
312 case retType env_with_fvs (idIlxRepType bndr) args of
314 if isVoidIlxRepType ty then (text "void")
316 Nothing -> trace "WARNING! IlxGen.trace could not find return type - see generated ILX for context where this occurs." (text "// Could not find return type:" <+> ilxTypeR env_with_fvs (idIlxRepType bndr)<+> text ", non representation: " <+> ilxTypeR env_with_fvs (idType bndr))
318 -- strip off leading ForAll and Fun type constructions
319 -- up to the given number of arguments, extending the environment as
321 retType env ty [] = Just (env, ty)
322 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
323 retType env (FunTy l r) (arg:args) = retType env r args
324 retType _ _ _ = Nothing
326 -- Code for the local variables
327 locals = ilxExprLocals env_with_args rhs
329 env_with_locals = extendIlxEnvWithLocals env_with_args locals
331 -- Code for the body of the main apply method
332 body_code = vcat [empty,
333 pprIlxLocals env_with_args locals,
334 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
338 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
341 pprIlxLocals env [] = empty
343 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
345 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
346 nonVoidLocal _ = True
348 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
349 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
352 pprFreeBinders env fvs
353 = (ilx_tvs_text <+> vs_text, env2)
355 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
356 real_free_vs = filter (not . isVoidIlxRepId) free_vs
357 -- ignore the higher order type parameters for the moment
358 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
359 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
360 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
361 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
362 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
364 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
366 -- Declarations for the arguments of the main apply method
367 pprArgBinders env [] = (empty,env)
368 pprArgBinders env (arg:args)
369 = (arg_text <+> rest_text, res_env)
371 (arg_text,env') = pprArgBinder env arg
372 (rest_text,res_env) = pprArgBinders env' args
374 -- We could probably omit some void argument binders, but
377 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
379 = if isTyVar arg then
380 let env' = extendIlxEnvWithTyArgs env [arg] in
381 (pprTyVarBinder env' arg, env')
382 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
385 -- Compute local variables used by generated method.
386 -- The names of some generated locals are recorded as SDocs.
388 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
390 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
391 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
392 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
393 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
394 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
395 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
396 ilxAltsLocals env alts
397 ilxExprLocals env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget _) _ _ _)) _) args _)
398 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
399 ilxExprLocals _ _ = []
401 -- Generate locals to use for pinning arguments as we cross the boundary
403 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
404 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
405 ilxCCallArgLocals _ _ | otherwise = []
407 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
408 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
410 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
411 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
413 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
414 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
416 ilxDefltLocals _ StgNoDefault = []
417 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
420 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
421 ilxExprClosures env (StgApp _ args)
422 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
423 ilxExprClosures env (StgConApp _ args)
424 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
425 ilxExprClosures env (StgOpApp _ args _)
426 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
427 ilxExprClosures env (StgLet bind body)
428 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
429 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
430 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
431 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
432 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
433 ilxExprClosures env (StgLit lit)
438 ilxAltsClosures env (StgAlgAlts _ alts deflt)
439 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
441 ilxDefltClosures env deflt
443 ilxAltsClosures env (StgPrimAlts _ alts deflt)
444 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
446 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
448 ilxDefltClosures env deflt
450 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
451 ilxDefltClosures _ StgNoDefault = empty
453 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
454 ilxArgClosures _ _ = empty
458 ilxGenLit env (MachStr fs)
459 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
460 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
463 nm = ilxEnvQualifyByExact env (text "string")
465 ilxGenLit _ _ = empty
470 %************************************************************************
472 \subsection{Generating code}
474 %************************************************************************
479 -- Environment when generating expressions
480 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
482 data Sequel = Return | Jump IlxLabel
484 ilxSequel Return = text "ret"
485 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
487 isReturn Return = True
488 isReturn (Jump _) = False
491 ilxExpr :: IlxEEnv -> StgExpr
492 -> Sequel -- What to do at the end
495 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
496 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
498 -- ilxExpr eenv (StgLit lit) sequel
499 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
500 = pushLit env lit $$ ilxSequel sequel
502 -- ilxExpr eenv (StgConApp data_con args) sequel
503 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
504 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
506 -- ilxExpr eenv (StgPrimApp primop args _) sequel
507 ilxExpr (IlxEEnv env _) (StgOpApp (StgFCallOp fcall) args ret_ty) sequel
508 = ilxFCall env fcall args ret_ty $$ ilxSequel sequel
510 ilxExpr (IlxEEnv env _) (StgOpApp (StgPrimOp primop) args ret_ty) sequel
511 = ilxPrimOpTable primop args env $$ ilxSequel sequel
514 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
515 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
516 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
517 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
518 = ilxExpr eenv rhs sequel
519 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
520 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
521 = ilxExpr eenv rhs sequel
524 ilxExpr eenv (StgLet bind body) sequel
525 = ilxBind eenv bind $$ ilxExpr eenv body sequel
528 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
529 = ilxBind eenv bind $$ ilxExpr eenv body sequel
531 -- StgCase: Special case 1 to avoid spurious branch.
532 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
533 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
534 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
535 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
536 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
537 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
540 -- StgCase: Special case 2 to avoid spurious branch.
541 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgOpApp (StgPrimOp primop) args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
542 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
543 ilxPrimOpTable primop args (ilxPlaceStgCaseScrut env),
544 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
545 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
546 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
549 -- StgCase: Normal case.
550 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
551 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
552 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
554 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
555 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
556 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
559 join_lbl = mkJoinLabel bndr
562 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
565 -- Wipe out locals and arguments that are no longer in use, to
566 -- prevent space leaks. If the VM is implemented 100% correctly then
567 -- this should probably not be needed, as the live variable analysis
568 -- in the JIT would tell the GC that these locals and arguments are
569 -- no longer live. However I'm putting it in here so we can
570 -- check out if it helps.
572 -- Also, in any case this doesn't capture everything we need. e.g.
573 -- when making a call:
575 -- where x is not used in the alternatives, then the variable x
576 -- is no longer live from the point it is transferred to the call
577 -- onwards. We should expunge "live_in_case - live_in_alts" right
578 -- before making the call, not after returning from the call....
580 -- Strictly speaking we also don't need to do this for primitive
581 -- values such as integers and addresses, i.e. things not
582 -- mapped down to GC'able objects.
584 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
587 = case lookupIlxVarEnv env id of
588 Just Local -> text "ldloca " <+> pprId id <+> text "initobj" <+> (ilxTypeL env (idIlxRepType id))
589 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
590 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
591 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
595 ----------------------
597 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
598 ilxAlts (IlxEEnv env live) bndr alts sequel
599 -- At the join label, the result is on top
601 = vcat [store_in_bndr,
602 do_case_analysis alts
605 scrut_rep_ty = deepIlxRepType (idType bndr)
607 store_in_bndr | isDeadBinder bndr = empty
608 | isVoidIlxRepId bndr
609 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
610 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
612 do_case_analysis (StgAlgAlts _ [] deflt)
615 do_case_analysis (StgAlgAlts _ args deflt)
616 = do_alg_alts ([1..] `zip` args) deflt
618 do_case_analysis (StgPrimAlts _ alts deflt)
619 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
621 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
622 -- Collapse the analysis of unboxed tuples where
623 -- some or all elements are zero-sized
625 -- TO DO: add bndrs to set of live variables
627 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
628 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
630 bndrs' = filter (not. isVoidIlxRepId) bndrs
631 -- Replacement unboxed tuple type constructor, used if any of the
632 -- arguments have zero-size and more than one remains.
633 dcon' = tupleCon Unboxed (length bndrs')
635 alt_env = IlxEEnv (ilxPlaceAlt env i) live
636 --alt_env = IlxEEnv (ilxPlaceAlt env i)
638 bind_collapse [] _ = panic "bind_collapse: unary element not found"
639 bind_collapse (h:t) (is_used:used_flags)
640 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
641 | not is_used = ilxComment (text "not used") <+> text "pop"
642 | otherwise = text "stloc" <+> pprId h
645 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
646 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
647 ilxConRef env data_con],
648 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
651 do_alg_alts alts deflt
652 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
653 pprSepWithCommas pp_case labels_w_alts],
655 vcat (map do_labelled_alg_alt labels_w_alts)
658 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
659 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
661 do_prim_alts [] = empty
662 do_prim_alts ((i, (lit,alt)) : alts)
663 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
664 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
665 ilxLabel lbl, do_prim_alts alts]
667 lbl = mkAltLabel bndr i
669 do_labelled_alg_alt (i,(lbl, alt))
670 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
672 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
673 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
677 bind_components alt_eenv data_con [] n _ = empty
678 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
680 -- don't increase the count in this case
681 = ilxComment (text "zero-rep binding eliminated")
682 <+> bind_components alt_eenv data_con t n used_flags
684 = bind_component alt_eenv data_con h is_used n
685 <+> bind_components alt_eenv data_con t (n + 1) used_flags
687 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
689 = ilxComment (text "not used")
690 | isVoidIlxRepId bndr
691 = ilxComment (text "ignoring bind of zero-rep variable")
692 | otherwise = vcat [text "dup",
693 ld_data alt_env data_con reduced_fld_no bndr,
694 text "stloc" <+> pprId bndr]
696 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
697 do_deflt StgNoDefault = empty
700 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
701 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
703 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
705 ld_data alt_env data_con reduced_fld_no bndr
706 | isUnboxedTupleCon data_con
707 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
708 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
710 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
711 ilxConRef env data_con <> comma,
712 integer reduced_fld_no]
715 -------------------------
721 -- Constants of unlifted types are represented as
722 -- applications to no arguments.
723 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
726 ilxFunApp env fun args tail_call
728 -- ldloc f function of type forall a. a->a
729 -- ldloc x arg of type Int
730 -- .tail callfunc <Int32> (!0) --> !0
732 vcat [pushId env fun,ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
735 case lookupIlxBindEnv env fun of
736 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
737 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
738 _ -> trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun))) Nothing
740 -- Push as many arguments as ILX allows us to in one go.
741 -- Recurse until we're done.
742 ilxFunAppArgs env num_sofar funty args tail_call known_clo
743 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
744 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
754 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
757 | isVoidIlxRepType later_ty = text "void"
758 | otherwise = ilxTypeR env_after_now_tyvs later_ty
760 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
762 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
763 _ -> get_term_args 0 ilxBestTermArity args env funty
765 -- Only apply up to maxArity real (non-type) arguments
766 -- at a time. ILX should, in principle, allow us to apply
767 -- arbitrary numbers, but you will get more succinct
768 -- (and perhaps more efficient) IL code
769 -- if you apply in clumps according to its maxArity setting.
770 -- This is because it has to unwind the stack and store it away
771 -- in local variables to do the partial applications.
773 -- Similarly, ILX only allows one type application at a time, at
774 -- least until we implement unwinding the stack for this case.
776 -- NB: In the future we may have to be more careful
777 -- all the way through
778 -- this file to bind type variables as we move through
779 -- type abstractions and "forall" types. This would apply
780 -- especially if the type variables were ever bound by expressions
781 -- involving the type variables.
783 -- This part strips off at most "max" term applications or one type application
784 get_type_args 0 args env funty = ([],[],env,args,funty)
785 get_type_args max args env (NoteTy _ ty) =
786 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
787 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
788 = if isIlxTyVar tv then
789 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
790 let rest_ty = deepIlxRepType (substTy (mkTyVarSubst [tv] [v]) rem_funty) in
791 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
792 let arg_ty = mkTyVarTy tv in
793 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
795 get_type_args max rest env rem_funty -- ? subst??
796 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
797 get_type_args _ args env funty = ([],[],env,args,funty)
799 get_term_args n max args env (NoteTy _ ty)
801 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
802 get_term_args n 0 args env funty
803 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
804 = ([],[],env,args,funty)
805 get_term_args n max args env funty
807 Just (_,_,needed,_) -> (length needed == n)
809 -- Stop if we have the optimal number for a direct call
810 = ([],[],env,args,funty)
811 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
812 -- Stop if we hit a type arg.
813 = ([],[],env,args,funty)
814 get_term_args n max (h:t) env (FunTy dom ran)
816 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
817 (h:now, (h,dom):now_tys,env2,later,later_ty)
818 get_term_args _ max (h:t) env funty = trace "IlxGen Internal Error: get_term_args could not get FunTy or ForAllTy for corresponding arg" ([],[],env,[],funty)
819 get_term_args _ max args env funty = ([],[],env,args,funty)
821 -- Are there any remaining arguments?
822 done = case later_args of
826 -- If so, generate the subsequent calls.
827 later = if done then text "// done"
828 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
830 -- Work out whether to issue a direct call a known closure (callclo) or
831 -- an indirect call (callfunc). Basically, see if the identifier has
832 -- been let-bound, and then check we are applying exactly the right
833 -- number of arguments. Also check that it's not a thunk (actually, this
834 -- is done up above).
836 -- The nasty "all" check makes sure that
837 -- the set of type variables in scope at the callsite is a superset
838 -- of the set of type variables needed for the direct call. This is
839 -- is needed because not all of the type variables captured by a
840 -- let-bound binding will get propogated down to the callsite, and
841 -- the ILX system of polymorphism demands that the free type variables
842 -- get reapplied when we issue the direct "callclo". The
843 -- type variables are in reality also "bound up" in the closure that is
844 -- passed as the first argument, so when we do an indirect call
845 -- to that closure we're fine, which is why we don't need them in
846 -- the "callfunc" case.
849 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
850 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
851 vcat [text "callclo class",
852 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
853 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
856 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
857 otherwise -> text "callfunc"
859 if (tail_call && done) then text "tail." <+> basic_call_instr
860 else basic_call_instr
863 --------------------------
864 -- Print the arg info at the call site
865 -- For type args we are, at the moment, required to
866 -- give both the actual and the formal (bound). The formal
867 -- bound is always System.Object at the moment (bounds are
868 -- not properly implemented in ILXASM in any case, and nor do
869 -- we plan on making use og them) For
870 -- non-type args the actuals are on the stack, and we just give the
872 pprIlxArgInfo env (StgTypeArg arg,ty) =
873 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
874 pprIlxArgInfo env (_,ty) =
875 parens (ilxTypeL env ty)
878 ----------------------------
879 -- Code for a binding
880 ilxBind :: IlxEEnv -> StgBinding -> SDoc
881 ilxBind eenv@(IlxEEnv env _) bind =
882 vcat [vcat (map (ilxRhs env rec) pairs),
883 vcat (map (ilxFixupRec env rec) pairs)]
885 rec = ilxRecIds1 bind
886 pairs = ilxPairs1 bind
889 ----------------------------
890 -- Allocate a closure or constructor. Fix up recursive definitions.
891 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
893 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
896 ilxRhs env rec (bndr, StgRhsCon _ con args)
897 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
898 text "stloc" <+> pprId bndr
901 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
902 = -- Assume .closure v<any A>(int64,!A) {
903 -- .apply <any B> (int32) (B) { ... }
906 -- let v = \B (x:int32) (y:B). ...
908 -- newclo v<int32>(int64,!0)
910 vcat [vcat (map pushFv free_vs),
911 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
912 text "newclo" <+> clotext,
913 text "stloc" <+> pprId bndr
916 pushFv id = if elem id rec then text "ldnull" else pushId env id
917 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
918 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
920 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
922 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
923 = text "// no recursive fixup"
925 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
926 = vcat [vcat (map fixFv rec)]
928 fixFv recid = if elem recid fvs then
929 vcat [pushId env bndr,
931 text "stclofld" <+> clotext <> text "," <+> pprId recid]
932 else text "//no fixup needed for" <+> pprId recid
933 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
934 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
938 ---------------------------------------------
939 -- Code for a top-level binding in a module
940 ilxPairs binds = concat (map ilxPairs1 binds)
942 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
943 ilxPairs1 (StgRec _ pairs) = pairs
945 ilxRecIds1 (StgNonRec _ bndr rhs) = []
946 ilxRecIds1 (StgRec _ pairs) = map fst pairs
948 ---------------------------------------------
949 -- Code for a top-level binding in a module
950 -- TODO: fix up recursions amongst CAF's
955 -- For the moment I've put in a completely spurious "reverse"...
957 -- Consider: make fixing up of CAF's part of ILX? i.e.
958 -- put static, constant, allocated datastructures into ILX.
960 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
961 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
962 stableSortBy f [] = []
964 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
965 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
966 usedBy (m,_) (n,_) | m == n = EQ
967 usedBy (m,_) (_,_) = GT
969 isArg m (StgVarArg n) = (n == m)
973 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
974 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
975 --ilxTopRhs env (bndr,rhs)
976 ilxTopBind mod env pairs =
977 vcat [text ".class" <+> pprId mod,
978 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
980 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
982 (nest 2 (vcat [text ".maxstack 100",
983 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
984 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
985 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
988 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
990 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
993 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
994 = vcat [vcat (map (pushId env) free_vs),
995 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
996 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
997 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1000 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1001 bndTy = idIlxRepType bndr
1003 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1004 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1005 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1008 bndTy = idIlxRepType bndr
1010 pprFieldRef env (mod,ty,id)
1011 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1013 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1014 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1016 bndTy = idIlxRepType bndr
1017 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1018 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1020 bndTy = idIlxRepType bndr
1022 --------------------------------------
1024 pushArgWithVoids = pushArg_aux True
1025 pushArg = pushArg_aux False
1027 pushArg_aux voids env (StgTypeArg ty) = empty
1028 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1029 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1032 mapi f l = mapi_aux f l 0
1034 mapi_aux f [] n = []
1035 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1037 --------------------------------------
1039 pushId = pushId_aux False
1041 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1042 pushId_aux voids _ id | isVoidIlxRepId id =
1043 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1044 pushId_aux _ env var
1045 = case lookupIlxVarEnv env var of
1046 Just Arg -> text "ldarg" <+> pprId var
1047 Just (CloVar n) -> text "ldenv" <+> int n
1048 Just Local -> text "ldloc" <+> pprId var
1050 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1051 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1052 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1055 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1056 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1057 <+> pprIlxTopVar env var]
1059 --------------------------------------
1061 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1062 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1063 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1064 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1065 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1066 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1067 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1068 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1069 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1070 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1074 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1075 | otherwise = pprId (nameOccName n)
1082 %************************************************************************
1084 \subsection{Printing types}
1086 %************************************************************************
1091 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1092 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1093 isVoidIlxRepType (TyConApp tc tys)
1094 = case newTyConRep tc of
1095 Just rep_ty -> isVoidIlxRepType (applyTys rep_ty tys)
1097 isUnboxedTupleTyCon tc &&
1098 null (filter (not. isVoidIlxRepType) tys)
1099 isVoidIlxRepType _ = False
1101 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1105 -- Get rid of all NoteTy and NewTy artifacts
1106 deepIlxRepType :: Type -> Type
1107 deepIlxRepType (FunTy l r)
1108 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1110 deepIlxRepType ty@(TyConApp tc tys)
1111 = case newTyConRep tc of
1113 let res = deepIlxRepType (applyTys rep_ty tys) in
1114 if not (length tys == tyConArity tc ) then
1115 pprTrace "deepIlxRepType" (text "length tys <> tyConArity tc, ty = " <+> pprType ty <+> text ", length tys = " <+> ppr (length tys) <+> text ", tyConArity = " <+> ppr (tyConArity tc)) res
1117 -- The assert should hold because deepIlxRepType should
1118 -- only be applied to *types* (of kind *)
1120 -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1121 if isUnboxedTupleTyCon tc then
1122 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1125 _ -> mkTupleTy Unboxed (length tys') tys'
1127 TyConApp tc (map deepIlxRepType tys)
1128 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1129 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1130 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1131 deepIlxRepType (PredTy p) = deepIlxRepType (predRepTy p)
1132 deepIlxRepType ty@(TyVarTy tv) = ty
1134 idIlxRepType id = deepIlxRepType (idType id)
1136 --------------------------
1137 -- Some primitive type constructors are not thunkable.
1138 -- Everything else needs to be marked thunkable.
1139 ilxTypeL :: IlxEnv -> Type -> SDoc
1141 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1142 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1145 --------------------------
1146 -- Print non-thunkable version of type.
1149 ilxTypeR :: IlxEnv -> Type -> SDoc
1150 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1151 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1152 ilxTypeR env ty@(AppTy f x) = trace "ilxTypeR: should I be beta reducing types?!" (ilxComment (text "ilxTypeR: should I be beta reducing types...") <+> ilxTypeR env (applyTy f x))
1153 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1155 -- The following is a special rule for types constructed out of
1156 -- higher kinds, e.g. Monad f or Functor f.
1158 -- The code below is not as general as it should be, but as I
1159 -- have no idea if this approach will even work, I'm going to
1160 -- just try it out on some simple cases arising from the prelude.
1161 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1162 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1163 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1164 = ilxTypeR env (TyConApp tc t)
1165 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1167 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1168 -- is on the left of an arrow
1169 -- We could probably eliminate all but a final occurrence of these.
1170 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1171 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1172 ilxTypeR env (FunTy arg res)
1173 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1175 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1176 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1178 env' = extendIlxEnvWithFormalTyVars env [tv]
1180 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1181 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1182 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1184 ilxTypeR env (NoteTy _ ty)
1185 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1186 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1189 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1191 ilxTyConApp env tc args =
1192 case lookupUFM tyPrimConTable (getUnique tc) of
1193 Just f -> f args env
1195 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1196 env ((nameReference env (getName tc)) <> (ppr tc)) args
1198 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1199 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1201 -- Returns e.g: <Int32, Bool>
1202 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1204 pprTypeArgs_aux f env [] = empty
1205 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1208 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1209 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1210 -- plus a new environment with the type variables added.
1211 pprTyVarBinders env [] = empty
1212 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1214 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1215 pprTyVarBinder env tv =
1216 if isIlxTyVar tv then
1217 angleBrackets (pprTyVarBinder_aux env tv)
1219 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1220 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1221 ilxComment (text "omitted")
1222 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1225 pprTyVarBinder_aux env tv =
1226 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1227 ilxTypeR env (tyVarKind tv)) <+>
1228 (text "class [mscorlib]System.Object")
1230 -- Only a subset of Haskell types can be generalized using the type quantification
1233 ( h == liftedTypeKind) ||
1234 ( h == unliftedTypeKind) ||
1235 ( h == openTypeKind)
1237 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1239 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1241 (tvs, vs) = partition isTyVar fvs
1242 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1244 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1246 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1248 pprId id = singleQuotes (ppr id)
1252 %************************************************************************
1256 %************************************************************************
1259 type IlxTyEnv = [TyVar]
1262 -- Nb. There is currently no distinction between the kinds of type variables.
1263 -- We may need to add this to print out correct numbers, esp. for
1265 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1266 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1267 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1269 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1270 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1272 data HowBound = Top Module -- Bound in a modules
1273 | Arg -- Arguments to the enclosing closure
1274 | CloVar Int -- A free variable of the enclosing closure
1275 -- The int is the index of the field in the
1277 | Local -- Local let binding
1279 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1280 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1281 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1282 type Place = (SDoc,SDoc)
1285 = go 0 (ilxEnvTyEnv env)
1288 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1289 <+> pprSepWithCommas
1290 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1291 (ilxEnvTyEnv env) <+> text "}")
1292 (char '!' <> pprId tv)
1294 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1295 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1298 emptyIlxEnv :: Bool -> Module -> IlxEnv
1299 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1301 nextPlace place sdoc = place <> sdoc
1302 usePlace place sdoc = place <> sdoc
1304 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1305 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1306 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1307 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1308 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1309 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1310 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1312 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1313 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1314 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1316 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1317 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1318 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1319 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1320 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1322 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1323 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1325 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1326 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1328 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1329 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1331 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1332 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1333 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1334 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1337 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1339 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1340 extendVarEnvList id_env (clovs 0 args),
1345 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1347 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1348 = IlxEnv (mod, tv_env, id_env,
1349 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1352 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1353 = IlxEnv (m, tv_env,
1354 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1355 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1357 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1358 = IlxEnv (m, tv_env,
1359 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1360 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1363 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1364 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1366 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1367 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1368 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1369 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1370 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1371 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1377 type IlxLabel = SDoc
1379 pprIlxLabel lbl = lbl
1381 mkJoinLabel :: Id -> IlxLabel
1382 mkJoinLabel v = text "J_" <> ppr v
1384 mkAltLabel :: Id -> Int -> IlxLabel
1385 mkAltLabel v n = text "A" <> int n <> ppr v
1387 ilxLabel :: IlxLabel -> SDoc
1388 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1392 %************************************************************************
1394 \subsection{Local pretty helper functions}
1396 %************************************************************************
1399 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1400 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1401 ilxComment pp = text "/*" <+> pp <+> text "*/"
1402 singleQuotes pp = char '\'' <> pp <> char '\''
1404 line = text "// ----------------------------------"
1406 hscOptionQual = if opt_SimplDoEtaReduction then text ".ilx-O" else text ".ilx-Onot"
1409 | isLocalName n = empty
1410 | ilxEnvModule env == nameModule n = text ""
1411 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1412 -- HACK: no Vanilla modules should be around, but they are!! This
1413 -- gets things working for the scenario "standard library linked as one
1414 -- assembly with multiple modules + a one module program running on top of this"
1415 -- Same applies to all other mentions of Vailla modules in this file
1416 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1417 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1419 | otherwise = packageReference (modulePackage (nameModule n))
1421 packageReference p = brackets ((text "ilx") <+> singleQuotes (ppr p <> hscOptionQual))
1422 moduleNameReference m = brackets ((text ".module") <+> (text "ilx") <+> singleQuotes (pprModuleName m <> hscOptionQual <> text ".dll"))
1424 moduleReference env m
1425 | ilxEnvModule env == m = text ""
1426 | isHomeModule m = moduleNameReference (moduleName m)
1428 | isVanillaModule m && not inPrelude = preludePackageReference
1429 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1431 | otherwise = packageReference (modulePackage m)
1433 preludePackageReference = packageReference preludePackage
1434 inPrelude = preludePackage == opt_InPackage
1436 ------------------------------------------------
1437 -- This code is copied from absCSyn/CString.lhs,
1438 -- and modified to do the correct thing! It's
1439 -- still a mess though. Also, still have to do the
1440 -- right thing for embedded nulls.
1442 pprFSInILStyle :: FAST_STRING -> SDoc
1443 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1445 stringToC :: String -> String
1446 -- Convert a string to the form required by C in a C literal string
1447 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1449 stringToC [c] = charToC c
1451 -- if we have something "octifiable" in "c", we'd better "octify"
1452 -- the rest of the string, too.
1453 = if (c < ' ' || c > '~')
1454 then (charToC c) ++ (concat (map char_to_C cs))
1455 else (charToC c) ++ (stringToC cs)
1457 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1459 | c == '\b' = "\\b" -- ToDo: chk some of these...
1464 | otherwise = '\\' : (trigraph (ord c))
1466 charToC :: Char -> String
1467 -- Convert a character to the form reqd in a C character literal
1468 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1481 else '\\' : (trigraph (ord c))
1483 trigraph :: Int -> String
1485 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1486 chr ((n `div` 10) `rem` 10 + ord '0'),
1487 chr (n `rem` 10 + ord '0')]
1492 %************************************************************************
1494 \subsection{PrimOps and Constructors}
1496 %************************************************************************
1499 ----------------------------
1500 -- Allocate a fresh constructor
1502 ilxConApp env data_con args
1503 | isUnboxedTupleCon data_con
1504 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1507 -- Collapse the construction of an unboxed tuple type where
1508 -- every element is zero-sized
1509 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1511 -- Minimize the construction of an unboxed tuple type, which
1512 -- may contain zero-sized elements. Recompute all the
1513 -- bits and pieces from the simpler case below for the new data
1514 -- type constructor....
1515 let data_con' = tupleCon Unboxed (length tm_args') in
1516 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1518 let tycon' = dataConTyCon data_con' in
1519 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1520 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1521 let formal_env' = formalIlxEnv env formal_tyvars' in
1523 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1524 sep [text "newobj void ",
1525 ilxTyConApp env tycon' rep_ty_args',
1527 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1531 -- Now all other constructions
1532 = -- Assume C :: forall a. a -> T a -> T a
1533 -- ldloc x arg of type Int
1534 -- ldloc y arg of type T Int
1535 -- newdata classunion T<Int32>, C(!0, T <!0>)
1537 let tycon = dataConTyCon data_con in
1538 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1539 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1541 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1542 sep [ text "newdata",
1543 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1544 nest 2 (ilxConRef env data_con)
1548 tycon = dataConTyCon data_con
1549 rep_ty_args = map deepIlxRepType ty_args
1550 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1552 -- split some type arguments off, throwing away the higher kinded ones for the moment
1553 -- base the higher-kinded checks off a corresponding list of formals
1554 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1555 | isIlxTyVar htv = ((h:l), r)
1556 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1557 where (l,r) = splitTyArgs ttv t
1558 splitTyArgs _ l = ([],l)
1560 -- split some type arguments off, where none should be higher kinded
1561 splitTyArgs1 (StgTypeArg h:t)
1563 where (l,r) = splitTyArgs1 t
1564 splitTyArgs1 l = ([],l)
1567 ilxConRef env data_con
1568 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1570 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1571 (arg_tys, _) = splitFunTys tau_ty
1572 env' = formalIlxEnv env tyvars
1580 %************************************************************************
1582 \subsection{PrimOps and Prim Representations} *
1583 %************************************************************************
1587 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1590 type IlxTyFrag = IlxEnv -> SDoc
1591 ilxType s env = text s
1593 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1595 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1596 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1598 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1600 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1601 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1602 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1603 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1604 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1605 (charPrimTyConKey, (\_ -> repChar)),
1606 (wordPrimTyConKey, (\_ -> repWord)),
1607 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1608 (intPrimTyConKey, (\_ -> repInt)),
1609 (int64PrimTyConKey, (\_ -> repInt64)),
1610 (word64PrimTyConKey, (\_ -> repWord64)),
1611 (floatPrimTyConKey, (\_ -> repFloat)),
1612 (doublePrimTyConKey, (\_ -> repDouble)),
1613 -- These can all also accept unlifted parameter types so we explicitly lift.
1614 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1615 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1616 (weakPrimTyConKey, (\[_, ty] -> repWeak (ilxTypeL2 ty))),
1617 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1618 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1619 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1620 (threadIdPrimTyConKey, (\_ -> repThread)),
1621 (bcoPrimTyConKey, (\_ -> repBCO))
1624 ilxTypeL2 :: Type -> IlxTyFrag
1625 ilxTypeL2 ty env = ilxTypeL env ty
1626 ilxTypeR2 :: Type -> IlxTyFrag
1627 ilxTypeR2 ty env = ilxTypeR env ty
1629 ilxMethA = ilxType "!!0"
1630 ilxMethB = ilxType "!!1"
1631 prelGHCReference :: IlxTyFrag
1632 prelGHCReference env =
1633 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1634 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1635 else preludePackageReference
1637 prelBaseReference :: IlxTyFrag
1638 prelBaseReference env =
1639 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1640 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1641 else preludePackageReference
1643 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1644 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1645 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1646 repInt = ilxType "int32"
1647 repWord = ilxType "unsigned int32"
1648 repAddr =ilxType "/* Addr */ void *"
1649 repInt64 = ilxType "int64"
1650 repWord64 = ilxType "unsigned int64"
1651 repFloat = ilxType "float32"
1652 repDouble = ilxType "float64"
1653 repChar = ilxType "/* Char */ unsigned int8"
1654 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1655 repInteger = ilxUnboxedPairRep repInt repByteArray
1656 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1657 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1658 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1659 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1660 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1661 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1662 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1663 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1664 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1665 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1667 ilxTyPair l r = ilxTyParams [l,r]
1668 ilxTyTriple l m r = ilxTyParams [l,m,r]
1669 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1670 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1671 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1672 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1674 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1675 ilxTyParams [] env = empty
1676 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1678 ilxTyParamsAux [] env = empty
1679 ilxTyParamsAux [h] env = h env
1680 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1681 ilxTyParams [] env = empty
1684 type IlxOpFrag = IlxEnv -> SDoc
1685 ilxOp :: String -> IlxOpFrag
1686 ilxOp s env = text s
1687 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1688 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1690 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1691 ilxParams l env = parens (ilxParamsAux l env)
1693 ilxParamsAux [] env = empty
1694 ilxParamsAux [h] env = h env
1695 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1698 ilxMethodRef rty cls nm tyargs args =
1699 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1700 ilxTyParams tyargs,ilxParams args]
1702 ilxCall m = ilxOpSeq [ilxOp "call", m]
1704 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1705 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1707 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1709 ilxMkBool :: IlxOpFrag
1710 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1711 ilxOp "PrelBase_Bool",
1712 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1713 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1714 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1715 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1716 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1717 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1718 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1719 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1720 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1721 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1722 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1724 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1725 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1727 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1730 CharGtOp -> simp_op ilxCgt
1731 CharGeOp -> simp_op ilxCge
1732 CharEqOp -> simp_op ilxCeq
1733 CharNeOp -> simp_op ilxCne
1734 CharLtOp -> simp_op ilxClt
1735 CharLeOp -> simp_op ilxCle
1737 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1738 ChrOp -> simp_op (ilxOp "conv.u4")
1740 IntGtOp -> simp_op ilxCgt
1741 IntGeOp -> simp_op ilxCge
1742 IntEqOp -> simp_op ilxCeq
1743 IntNeOp -> simp_op ilxCne
1744 IntLtOp -> simp_op ilxClt
1745 IntLeOp -> simp_op ilxCle
1747 IntToInt8Op -> simp_op (ilxOp"conv.i1")
1748 IntToInt16Op -> simp_op (ilxOp "conv.i2")
1749 IntToInt32Op -> simp_op (ilxOp "conv.i4")
1750 WordToWord8Op -> simp_op (ilxOp "conv.u1")
1751 WordToWord16Op -> simp_op (ilxOp "conv.u2")
1752 WordToWord32Op -> simp_op (ilxOp "conv.u4")
1754 WordGtOp -> simp_op ilxCgtUn
1755 WordGeOp -> simp_op ilxCgeUn
1756 WordEqOp -> simp_op ilxCeq
1757 WordNeOp -> simp_op ilxCne
1758 WordLtOp -> simp_op ilxCltUn
1759 WordLeOp -> simp_op ilxCleUn
1761 AddrGtOp -> simp_op ilxCgt
1762 AddrGeOp -> simp_op ilxCge
1763 AddrEqOp -> simp_op ilxCeq
1764 AddrNeOp -> simp_op ilxCne
1765 AddrLtOp -> simp_op ilxClt
1766 AddrLeOp -> simp_op ilxCle
1768 FloatGtOp -> simp_op ilxCgt
1769 FloatGeOp -> simp_op ilxCge
1770 FloatEqOp -> simp_op ilxCeq
1771 FloatNeOp -> simp_op ilxCne
1772 FloatLtOp -> simp_op ilxClt
1773 FloatLeOp -> simp_op ilxCle
1775 DoubleGtOp -> simp_op ilxCgt
1776 DoubleGeOp -> simp_op ilxCge
1777 DoubleEqOp -> simp_op ilxCeq
1778 DoubleNeOp -> simp_op ilxCne
1779 DoubleLtOp -> simp_op ilxClt
1780 DoubleLeOp -> simp_op ilxCle
1782 -- Int#-related ops:
1783 IntAddOp -> simp_op (ilxOp "add")
1784 IntSubOp -> simp_op (ilxOp "sub")
1785 IntMulOp -> simp_op (ilxOp "mul")
1786 IntQuotOp -> simp_op (ilxOp "div")
1787 IntNegOp -> simp_op (ilxOp "neg")
1788 IntRemOp -> simp_op (ilxOp "rem")
1790 -- Word#-related ops:
1791 WordAddOp -> simp_op (ilxOp "add")
1792 WordSubOp -> simp_op (ilxOp "sub")
1793 WordMulOp -> simp_op (ilxOp "mul")
1794 WordQuotOp -> simp_op (ilxOp "div")
1795 WordRemOp -> simp_op (ilxOp "rem")
1797 Addr2IntOp -> simp_op (ilxOp "conv.i4") -- Addresses are very dodgy for ILX. They are used for both C-strings and
1798 Int2AddrOp -> simp_op (ilxOp "conv.i") -- the FFI. This needs more work.
1799 ISllOp -> simp_op (ilxOp "shl")
1800 ISraOp -> simp_op (ilxOp "shr")
1801 ISrlOp -> simp_op (ilxOp "shr.un")
1802 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1803 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1804 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1805 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1808 -- Word#-related ops:
1809 AndOp -> simp_op (ilxOp "and")
1810 OrOp -> simp_op (ilxOp "or")
1811 NotOp -> simp_op (ilxOp "not")
1812 XorOp -> simp_op (ilxOp "xor")
1813 SllOp -> simp_op (ilxOp "shl")
1814 SrlOp -> simp_op (ilxOp "shr")
1815 Word2IntOp -> simp_op (ilxOp "conv.i4")
1816 Int2WordOp -> simp_op (ilxOp "conv.u4")
1818 -- Float#-related ops:
1819 FloatAddOp -> simp_op (ilxOp "add")
1820 FloatSubOp -> simp_op (ilxOp "sub")
1821 FloatMulOp -> simp_op (ilxOp "mul")
1822 FloatDivOp -> simp_op (ilxOp "div")
1823 FloatNegOp -> simp_op (ilxOp "neg")
1824 Float2IntOp -> simp_op (ilxOp "conv.i4")
1825 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1827 DoubleAddOp -> simp_op (ilxOp "add")
1828 DoubleSubOp -> simp_op (ilxOp "sub")
1829 DoubleMulOp -> simp_op (ilxOp "mul")
1830 DoubleDivOp -> simp_op (ilxOp "div")
1831 DoubleNegOp -> simp_op (ilxOp "neg")
1832 Double2IntOp -> simp_op (ilxOp "conv.i4")
1833 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1834 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1835 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1836 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1837 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1839 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1840 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1841 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1842 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1843 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1844 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1845 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1846 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1847 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1848 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1849 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1850 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1851 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1853 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1854 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1855 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1857 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1858 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1859 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1861 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1862 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1863 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1865 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1866 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1867 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1869 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1871 -- Integer (and related...) ops: bail out to support routines
1872 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1873 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1874 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1875 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1876 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1877 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1878 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1879 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1880 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1881 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1882 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1883 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1884 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1885 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1886 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1887 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1888 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1889 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1890 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1891 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1892 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1893 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1894 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1895 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1899 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1900 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1901 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1902 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1903 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1904 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1905 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1906 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1907 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1908 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1909 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1910 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1911 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1912 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1913 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1914 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1916 {- should be monadic??? -}
1917 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1918 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1919 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1920 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1921 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1922 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1923 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1924 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1925 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1926 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1927 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1928 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1929 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1930 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1931 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1932 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1933 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1934 {- ByteArr# -> Int# -> Char# -}
1937 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1938 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1939 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1940 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1941 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1942 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1943 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1944 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1945 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1946 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1947 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
1948 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
1949 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
1950 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
1951 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
1952 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
1953 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
1955 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1956 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1957 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1958 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1959 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1960 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1961 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1962 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1963 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1964 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1965 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1966 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1967 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1968 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1969 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1970 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
1972 -- ForeignObj: load the address inside the object first
1973 -- TODO: is this remotely right?
1974 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1975 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
1976 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1977 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1978 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
1979 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
1980 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
1981 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
1982 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
1983 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
1984 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1985 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
1986 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1987 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
1988 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1989 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
1991 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1992 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1993 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1994 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1995 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1996 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1997 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1998 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1999 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2000 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2001 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2002 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2003 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2004 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2005 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2006 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2007 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2009 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2010 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2011 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2012 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2013 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2014 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2015 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2016 WriteOffAddrOp_StablePtr -> ty2_arg4_op (\ty1 sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2017 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2018 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2019 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2020 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2021 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2022 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2023 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2024 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2025 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2026 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2028 {- should be monadic??? -}
2029 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2030 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2031 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2032 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2033 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2034 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2035 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2036 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2037 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2038 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2040 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2041 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2042 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2043 {- ByteArr# -> Int# -}
2045 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2046 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2047 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2048 {- MutByteArr# s -> Int# -}
2050 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2051 {- MutVar# s a -> MutVar# s a -> Bool -}
2052 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2053 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2054 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2055 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2056 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2057 {- MutVar# s a -> a -> State# s -> State# s -}
2059 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethA])
2060 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2061 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2062 {- Array# a -> Int# -> (# a #) -}
2063 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2064 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2065 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2066 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2067 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2068 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2069 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2070 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2072 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2073 {- MutArr# s a -> MutArr# s a -> Bool -}
2076 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2077 CatchOp -> ty2_op (\ty1 ty2 ->
2078 ilxCallSuppMeth ilxMethA "'catch'" [ty1,ty2] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>", ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2079 {- (State# RealWorld -> (# State# RealWorld, a #) )
2080 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2082 -> (# State# RealWorld, a #)
2085 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2086 ilxCallSuppMeth ilxMethA "blockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2088 {- (State# RealWorld -> (# State# RealWorld, a #))
2089 -> (State# RealWorld -> (# State# RealWorld, a #))
2092 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2093 ilxCallSuppMeth ilxMethA "unblockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2096 State# RealWorld -> (# State# RealWorld, a #))
2097 -> (State# RealWorld -> (# State# RealWorld, a #))
2100 NewMVarOp -> ty2_op (\sty ty ->
2101 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2102 {- State# s -> (# State# s, MVar# s a #) -}
2104 TakeMVarOp -> ty2_op (\sty ty ->
2105 ilxCallSuppMeth ilxMethA "takeMVar" [ty] [repMVar ilxMethA])
2106 {- MVar# s a -> State# s -> (# State# s, a #) -}
2108 -- These aren't yet right
2109 TryTakeMVarOp -> ty2_op (\sty ty ->
2110 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA])
2111 {- MVar# s a -> State# s -> (# State# s, a #) -}
2113 TryPutMVarOp -> ty2_op (\sty ty ->
2114 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethA,ilxMethA])
2115 {- MVar# s a -> State# s -> (# State# s, a #) -}
2117 PutMVarOp -> ty2_op (\sty ty ->
2118 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethA, ilxMethA])
2119 {- MVar# s a -> a -> State# s -> State# s -}
2121 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2122 {- MVar# s a -> MVar# s a -> Bool -}
2124 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2125 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA]))
2126 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2128 IsEmptyMVarOp -> ty2_op (\sty ty ->
2129 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethA])
2130 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2132 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2135 DataToTagOp -> ty1_op (\ty1 ->
2136 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethA])
2139 TagToEnumOp -> ty1_op (\ty1 ->
2140 ilxCallSuppMeth ilxMethA "tagToEnum" [ty1] [repInt])
2143 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2144 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2145 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2146 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2148 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2149 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2150 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2151 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2153 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2154 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2156 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2157 {- StablePtr# a -> StablePtr# a -> Int# -}
2159 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethB) classWeak "bake" [ilxLift ty1,ilxLift ty2,ty3] [ilxMethA, ilxMethB, ilxLift (ilxOp "!!2")]))
2160 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2162 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethA) classWeak "deref" [ty1] [repWeak ilxMethA]))
2163 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxOp "thunk<(func ( /* unit skipped */ ) --> class '()')>")) classWeak "finalizer" [ty1] [repWeak ilxMethA]))
2164 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2165 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2167 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2168 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2169 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2170 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2171 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2172 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2173 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2174 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2176 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2177 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2178 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2179 {- Int# -> State# s -> State# s -}
2181 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2182 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2183 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2184 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2185 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2186 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2187 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2188 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2189 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2190 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2191 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2193 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2194 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2195 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2198 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2199 ty1_op op ((StgTypeArg ty1):rest) =
2200 ilxOpSeq [getArgsStartingAt 1 rest,
2201 op (ilxTypeR2 (deepIlxRepType ty1))]
2203 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2204 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2205 ilxOpSeq [getArgsStartingAt 2 rest,
2206 op (ilxTypeR2 (deepIlxRepType ty1))
2207 (ilxTypeR2 (deepIlxRepType ty2))]
2209 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2210 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2211 ilxOpSeq [getArgsStartingAt 3 rest,
2212 op (ilxTypeR2 (deepIlxRepType ty1))
2213 (ilxTypeR2 (deepIlxRepType ty2))
2214 (ilxTypeR2 (deepIlxRepType ty3))]
2216 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2217 arg2_op op [a1, a2] =
2221 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2222 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2223 op (ilxTypeR2 (deepIlxRepType ty1))
2227 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2228 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2229 op (ilxTypeR2 (deepIlxRepType ty1))
2235 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2236 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2237 op (ilxTypeR2 (deepIlxRepType ty1))
2238 (ilxTypeR2 (deepIlxRepType ty2))
2246 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2247 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2249 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2250 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2251 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2254 %************************************************************************
2256 \subsection{C Calls}
2258 %************************************************************************
2261 -- Call the P/Invoke stub wrapper generated in the import section.
2262 -- We eliminate voids in and around an IL C Call.
2263 -- We also do some type-directed translation for pinning Haskell-managed blobs
2264 -- of data as we throw them across the boundary.
2265 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc casm)) args ret_ty
2266 = ilxComment (text "C call <+> pprCLabelString c") <+>
2267 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2268 text "call" <+> retdoc <+> pprCLabelString c <+> pprTypeArgs ilxTypeR env ty_args
2269 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2271 retdoc | isVoidIlxRepType ret_ty = text "void"
2272 | otherwis = ilxTypeR env (deepIlxRepType ret_ty)
2273 (ty_args,tm_args) = splitTyArgs1 args
2276 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2277 hasTyCon _ _ = False
2279 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2280 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2282 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2283 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2285 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2287 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2288 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2289 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2290 pushCArg env arg | otherwise = pushArg env arg
2292 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2293 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2294 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2295 pprCValArgTy f env ty | otherwise = f env ty
2298 foldR :: (a -> b -> b) -> [a] -> b -> b
2300 -- foldR f (x:xs) z = f x (foldR f xs z)
2301 {-# INLINE foldR #-}
2302 foldR k xs z = go xs
2305 go (y:ys) = y `k` go ys