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 ( CCallConv(..), ForeignCall(..), CCallSpec(..), CCallTarget(..), DNCallSpec(..) )
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 )
44 import List ( partition, elem, insertBy,any )
46 import PprType ( pprType ) -- Only called in debug messages
48 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
50 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
51 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
52 -- names when this is set (because that's clue that -O was set).
53 -- One day this will be configured by the command line.
54 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
60 %************************************************************************
62 \subsection{Main driver}
64 %************************************************************************
67 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
68 -- The TyCons should include those arising from classes
69 ilxGen mod tycons binds_w_srts
70 = vcat [vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
71 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
72 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
73 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
74 vcat (map (ilxTyCon topenv) data_tycons),
75 vcat (map (ilxBindClosures topenv) binds),
76 ilxTopBind mod topenv toppairs
79 binds = map fst binds_w_srts
80 toppairs = ilxPairs binds
81 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
82 -- Generate info from class decls as well
83 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
84 data_tycons = filter isDataTyCon tycons
87 %************************************************************************
89 \subsection{Find Imports}
91 %************************************************************************
95 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo-> ImportsInfo
96 importsBinds env binds = foldR (importsBind env) binds
98 importsNone :: ImportsInfo -> ImportsInfo
99 importsNone sofar = sofar
101 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
102 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
103 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
105 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
106 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
107 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
109 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
110 importsExpr env (StgLit _) = importsNone
111 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
112 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
113 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _)) _) args rty)
114 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
116 (ty_args,tm_args) = splitTyArgs1 args
118 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
121 importsExpr env (StgSCC _ expr) = importsExpr env expr
122 importsExpr env (StgCase scrut _ _ bndr _ alts)
123 = importsExpr env scrut. imports_alts alts. importsVar env bndr
125 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
126 -- by the case-binder's type
127 = foldR imports_alg_alt alg_alts . imports_deflt deflt
129 imports_alg_alt (con, bndrs, _, rhs)
130 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
132 imports_alts (StgPrimAlts _ alg_alts deflt)
133 = foldR imports_prim_alt alg_alts . imports_deflt deflt
135 imports_prim_alt (_, rhs) = importsExpr env rhs
136 imports_deflt StgNoDefault = importsNone
137 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
140 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
141 importsExpr env (StgLet bind body)
142 = importsBind env bind . importsExpr env body
144 importsApp env v args = importsVar env v. importsStgArgs env args
145 importsStgArgs env args = foldR (importsStgArg env) args
147 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
148 importsStgArg env (StgTypeArg ty) = importsType env ty
149 importsStgArg env (StgVarArg v) = importsVar env v
150 importsStgArg env _ = importsNone
152 importsVars env vs = foldR (importsVar env) vs
153 importsVar env v = importsName env (idName v). importsType env (idType v)
156 | isLocalName n = importsNone
157 | ilxEnvModule env == nameModule n = importsNone
158 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
160 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
161 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
163 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
166 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
167 importsType env ty = importsType2 env (deepIlxRepType ty)
169 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
170 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
171 importsType2 env (TyVarTy _) = importsNone
172 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
173 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
174 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
175 importsType2 env (NoteTy _ ty) = importsType2 env ty
176 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
177 importsTypeArgs2 env tys = foldR (importsType2 env) tys
179 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
181 importsTyCon env tc | (not (isDataTyCon tc) ||
182 isLocalName (getName tc) ||
183 ilxEnvModule env == nameModule (getName tc)) = importsNone
184 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc
186 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
187 | otherwise = addPackageImpInfo preludePackage
189 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
190 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
191 -- (Packages, Modules, Datatypes, Imported CCalls)
193 emptyImpInfo :: ImportsInfo
194 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
195 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
196 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
197 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
198 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
200 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
201 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
202 ilxImportTyCon _ _ | otherwise = empty
204 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
205 ilxImportPackage _ p = text ".assembly extern ilx" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
207 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
208 ilxImportModule _ m = text ".module extern ilx" <+> singleQuotes (ppr m <> hscOptionQual <> text ".dll")
210 -- Emit a P/Invoke declaration for the imported C function
211 -- TODO: emit the right DLL name
212 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
213 ilxImportCCall env (c,cc,args,ret) =
214 text ".method static assembly pinvokeimpl" <+>
215 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
216 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
217 text "native unmanaged preservesig { }"
220 if isVoidIlxRepType ret then text "void"
221 else ilxTypeR env (deepIlxRepType ret)
226 %************************************************************************
228 \subsection{Type declarations}
230 %************************************************************************
235 ilxTyCon :: IlxEnv -> TyCon -> SDoc
236 ilxTyCon env tycon = ilxTyConDef False env tycon
238 -- filter to get only dataTyCons?
239 ilxTyConDef importing env tycon =
241 text ".classunion" <+> (if importing then text "import" else empty) <+> tycon_ref <+> tyvars_text <+> super_text <+> alts_text]
243 tycon_ref = nameReference env (getName tycon) <> (ppr tycon)
244 super_text = if importing then empty else text "extends thunk" <> angleBrackets (text "class" <+> tycon_ref)
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 fcall _) 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,ilxFunAppAfterPush env fun args tail_call]
734 ilxFunAppAfterPush env fun args tail_call
736 -- ldloc f function of type forall a. a->a
737 -- ldloc x arg of type Int
738 -- .tail callfunc <Int32> (!0) --> !0
740 vcat [ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
742 known_clo :: KnownClosure
744 case lookupIlxBindEnv env fun of
745 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
746 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
747 _ -> trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun))) Nothing
749 type KnownClosure = Maybe ( IlxEnv -- Of the binding site of the function
752 , [Var]) -- Free vars of the closure
754 -- Push as many arguments as ILX allows us to in one go, and call the function
755 -- Recurse until we're done.
756 -- The function is already on the stack
757 ilxFunAppArgs :: IlxEnv
758 -> Int -- Number of args already pushed (zero is a special case;
759 -- otherwise used only for place generation)
760 -> Type -- Type of the function
761 -> [StgArg] -- The arguments
762 -> Bool -- True <=> tail call please
763 -> KnownClosure -- Information about the function we're calling
766 ilxFunAppArgs env num_sofar funty args tail_call known_clo
767 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
768 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
778 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
781 | isVoidIlxRepType later_ty = text "void"
782 | otherwise = ilxTypeR env_after_now_tyvs later_ty
784 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
786 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
787 _ -> get_term_args 0 ilxBestTermArity args env funty
789 -- Only apply up to maxArity real (non-type) arguments
790 -- at a time. ILX should, in principle, allow us to apply
791 -- arbitrary numbers, but you will get more succinct
792 -- (and perhaps more efficient) IL code
793 -- if you apply in clumps according to its maxArity setting.
794 -- This is because it has to unwind the stack and store it away
795 -- in local variables to do the partial applications.
797 -- Similarly, ILX only allows one type application at a time, at
798 -- least until we implement unwinding the stack for this case.
800 -- NB: In the future we may have to be more careful
801 -- all the way through
802 -- this file to bind type variables as we move through
803 -- type abstractions and "forall" types. This would apply
804 -- especially if the type variables were ever bound by expressions
805 -- involving the type variables.
807 -- This part strips off at most "max" term applications or one type application
808 get_type_args 0 args env funty = ([],[],env,args,funty)
809 get_type_args max args env (NoteTy _ ty) =
810 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
811 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
812 = if isIlxTyVar tv then
813 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
814 let rest_ty = deepIlxRepType (substTy (mkTyVarSubst [tv] [v]) rem_funty) in
815 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
816 let arg_ty = mkTyVarTy tv in
817 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
819 get_type_args max rest env rem_funty -- ? subst??
820 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
821 get_type_args _ args env funty = ([],[],env,args,funty)
823 get_term_args n max args env (NoteTy _ ty)
825 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
826 get_term_args n 0 args env funty
827 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
828 = ([],[],env,args,funty)
829 get_term_args n max args env funty
831 Just (_,_,needed,_) -> (length needed == n)
833 -- Stop if we have the optimal number for a direct call
834 = ([],[],env,args,funty)
835 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
836 -- Stop if we hit a type arg.
837 = ([],[],env,args,funty)
838 get_term_args n max (h:t) env (FunTy dom ran)
840 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
841 (h:now, (h,dom):now_tys,env2,later,later_ty)
842 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)
843 get_term_args _ max args env funty = ([],[],env,args,funty)
845 -- Are there any remaining arguments?
846 done = case later_args of
850 -- If so, generate the subsequent calls.
851 later = if done then text "// done"
852 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
854 -- Work out whether to issue a direct call a known closure (callclo) or
855 -- an indirect call (callfunc). Basically, see if the identifier has
856 -- been let-bound, and then check we are applying exactly the right
857 -- number of arguments. Also check that it's not a thunk (actually, this
858 -- is done up above).
860 -- The nasty "all" check makes sure that
861 -- the set of type variables in scope at the callsite is a superset
862 -- of the set of type variables needed for the direct call. This is
863 -- is needed because not all of the type variables captured by a
864 -- let-bound binding will get propogated down to the callsite, and
865 -- the ILX system of polymorphism demands that the free type variables
866 -- get reapplied when we issue the direct "callclo". The
867 -- type variables are in reality also "bound up" in the closure that is
868 -- passed as the first argument, so when we do an indirect call
869 -- to that closure we're fine, which is why we don't need them in
870 -- the "callfunc" case.
873 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
874 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
875 vcat [text "callclo class",
876 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
877 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
880 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
881 otherwise -> text "callfunc"
883 if (tail_call && done) then text "tail." <+> basic_call_instr
884 else basic_call_instr
887 --------------------------
888 -- Print the arg info at the call site
889 -- For type args we are, at the moment, required to
890 -- give both the actual and the formal (bound). The formal
891 -- bound is always System.Object at the moment (bounds are
892 -- not properly implemented in ILXASM in any case, and nor do
893 -- we plan on making use og them) For
894 -- non-type args the actuals are on the stack, and we just give the
896 pprIlxArgInfo env (StgTypeArg arg,ty) =
897 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
898 pprIlxArgInfo env (_,ty) =
899 parens (ilxTypeL env ty)
902 ----------------------------
903 -- Code for a binding
904 ilxBind :: IlxEEnv -> StgBinding -> SDoc
905 ilxBind eenv@(IlxEEnv env _) bind =
906 vcat [vcat (map (ilxRhs env rec) pairs),
907 vcat (map (ilxFixupRec env rec) pairs)]
909 rec = ilxRecIds1 bind
910 pairs = ilxPairs1 bind
913 ----------------------------
914 -- Allocate a closure or constructor. Fix up recursive definitions.
915 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
917 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
920 ilxRhs env rec (bndr, StgRhsCon _ con args)
921 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
922 text "stloc" <+> pprId bndr
925 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
926 = -- Assume .closure v<any A>(int64,!A) {
927 -- .apply <any B> (int32) (B) { ... }
930 -- let v = \B (x:int32) (y:B). ...
932 -- newclo v<int32>(int64,!0)
934 vcat [vcat (map pushFv free_vs),
935 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
936 text "newclo" <+> clotext,
937 text "stloc" <+> pprId bndr
940 pushFv id = if elem id rec then text "ldnull" else pushId env id
941 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
942 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
944 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
946 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
947 = text "// no recursive fixup"
949 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
950 = vcat [vcat (map fixFv rec)]
952 fixFv recid = if elem recid fvs then
953 vcat [pushId env bndr,
955 text "stclofld" <+> clotext <> text "," <+> pprId recid]
956 else text "//no fixup needed for" <+> pprId recid
957 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
958 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
962 ---------------------------------------------
963 -- Code for a top-level binding in a module
964 ilxPairs binds = concat (map ilxPairs1 binds)
966 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
967 ilxPairs1 (StgRec _ pairs) = pairs
969 ilxRecIds1 (StgNonRec _ bndr rhs) = []
970 ilxRecIds1 (StgRec _ pairs) = map fst pairs
972 ---------------------------------------------
973 -- Code for a top-level binding in a module
974 -- TODO: fix up recursions amongst CAF's
979 -- For the moment I've put in a completely spurious "reverse"...
981 -- Consider: make fixing up of CAF's part of ILX? i.e.
982 -- put static, constant, allocated datastructures into ILX.
984 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
985 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
986 stableSortBy f [] = []
988 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
989 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
990 usedBy (m,_) (n,_) | m == n = EQ
991 usedBy (m,_) (_,_) = GT
993 isArg m (StgVarArg n) = (n == m)
997 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
998 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
999 --ilxTopRhs env (bndr,rhs)
1000 ilxTopBind mod env pairs =
1001 vcat [text ".class" <+> pprId mod,
1002 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
1004 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
1006 (nest 2 (vcat [text ".maxstack 100",
1007 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1008 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
1009 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1012 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
1014 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
1017 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
1018 = vcat [vcat (map (pushId env) free_vs),
1019 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
1020 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
1021 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1024 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1025 bndTy = idIlxRepType bndr
1027 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1028 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1029 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1032 bndTy = idIlxRepType bndr
1034 pprFieldRef env (mod,ty,id)
1035 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1037 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1038 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1040 bndTy = idIlxRepType bndr
1041 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1042 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1044 bndTy = idIlxRepType bndr
1046 --------------------------------------
1048 pushArgWithVoids = pushArg_aux True
1049 pushArg = pushArg_aux False
1051 pushArg_aux voids env (StgTypeArg ty) = empty
1052 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1053 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1056 mapi f l = mapi_aux f l 0
1058 mapi_aux f [] n = []
1059 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1061 --------------------------------------
1063 pushId = pushId_aux False
1065 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1066 pushId_aux voids _ id | isVoidIlxRepId id =
1067 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1068 pushId_aux _ env var
1069 = case lookupIlxVarEnv env var of
1070 Just Arg -> text "ldarg" <+> pprId var
1071 Just (CloVar n) -> text "ldenv" <+> int n
1072 Just Local -> text "ldloc" <+> pprId var
1074 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1075 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1076 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1079 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1080 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1081 <+> pprIlxTopVar env var]
1083 --------------------------------------
1085 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1086 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1087 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1088 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1089 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1090 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1091 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1092 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1093 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1094 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1098 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1099 | otherwise = pprId (nameOccName n)
1106 %************************************************************************
1108 \subsection{Printing types}
1110 %************************************************************************
1115 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1116 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1117 isVoidIlxRepType (TyConApp tc tys)
1118 = case newTyConRep tc of
1119 Just rep_ty -> isVoidIlxRepType (applyTys rep_ty tys)
1121 isUnboxedTupleTyCon tc &&
1122 null (filter (not. isVoidIlxRepType) tys)
1123 isVoidIlxRepType _ = False
1125 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1129 -- Get rid of all NoteTy and NewTy artifacts
1130 deepIlxRepType :: Type -> Type
1131 deepIlxRepType (FunTy l r)
1132 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1134 deepIlxRepType ty@(TyConApp tc tys)
1135 = case newTyConRep tc of
1137 let res = deepIlxRepType (applyTys rep_ty tys) in
1138 if not (length tys == tyConArity tc ) then
1139 --pprTrace "deepIlxRepType" (text "length tys <> tyConArity tc, ty = " <+> pprType ty <+> text ", length tys = " <+> ppr (length tys) <+> text ", tyConArity = " <+> ppr (tyConArity tc))
1143 -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1144 -- e.g. (# State#, Int#, Int# #) ===> (# Int#, Int# #)
1145 if isUnboxedTupleTyCon tc then
1146 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1149 _ -> mkTupleTy Unboxed (length tys') tys'
1151 TyConApp tc (map deepIlxRepType tys)
1152 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1153 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1154 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1155 deepIlxRepType (PredTy p) = deepIlxRepType (predRepTy p)
1156 deepIlxRepType ty@(TyVarTy tv) = ty
1158 idIlxRepType id = deepIlxRepType (idType id)
1160 --------------------------
1161 -- Some primitive type constructors are not thunkable.
1162 -- Everything else needs to be marked thunkable.
1163 ilxTypeL :: IlxEnv -> Type -> SDoc
1165 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1166 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1169 --------------------------
1170 -- Print non-thunkable version of type.
1173 ilxTypeR :: IlxEnv -> Type -> SDoc
1174 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1175 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1176 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))
1177 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1179 -- The following is a special rule for types constructed out of
1180 -- higher kinds, e.g. Monad f or Functor f.
1182 -- The code below is not as general as it should be, but as I
1183 -- have no idea if this approach will even work, I'm going to
1184 -- just try it out on some simple cases arising from the prelude.
1185 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1186 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1187 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1188 = ilxTypeR env (TyConApp tc t)
1189 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1191 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1192 -- is on the left of an arrow
1193 -- We could probably eliminate all but a final occurrence of these.
1194 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1195 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1196 ilxTypeR env (FunTy arg res)
1197 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1199 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1200 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1202 env' = extendIlxEnvWithFormalTyVars env [tv]
1204 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1205 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1206 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1208 ilxTypeR env (NoteTy _ ty)
1209 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1210 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1213 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1215 ilxTyConApp env tc args =
1216 case lookupUFM tyPrimConTable (getUnique tc) of
1217 Just f -> f args env
1219 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1220 env ((nameReference env (getName tc)) <> (ppr tc)) args
1222 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1223 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1225 -- Returns e.g: <Int32, Bool>
1226 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1228 pprTypeArgs_aux f env [] = empty
1229 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1232 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1233 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1234 -- plus a new environment with the type variables added.
1235 pprTyVarBinders env [] = empty
1236 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1238 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1239 pprTyVarBinder env tv =
1240 if isIlxTyVar tv then
1241 angleBrackets (pprTyVarBinder_aux env tv)
1243 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1244 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1245 ilxComment (text "omitted")
1246 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1249 pprTyVarBinder_aux env tv =
1250 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1251 ilxTypeR env (tyVarKind tv)) <+>
1252 (text "class [mscorlib]System.Object")
1254 -- Only a subset of Haskell types can be generalized using the type quantification
1257 ( h == liftedTypeKind) ||
1258 ( h == unliftedTypeKind) ||
1259 ( h == openTypeKind)
1261 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1263 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1265 (tvs, vs) = partition isTyVar fvs
1266 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1268 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1270 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1272 pprId id = singleQuotes (ppr id)
1276 %************************************************************************
1280 %************************************************************************
1283 type IlxTyEnv = [TyVar]
1286 -- Nb. There is currently no distinction between the kinds of type variables.
1287 -- We may need to add this to print out correct numbers, esp. for
1289 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1290 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1291 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1293 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1294 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1296 data HowBound = Top Module -- Bound in a modules
1297 | Arg -- Arguments to the enclosing closure
1298 | CloVar Int -- A free variable of the enclosing closure
1299 -- The int is the index of the field in the
1301 | Local -- Local let binding
1303 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1304 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1305 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1306 type Place = (SDoc,SDoc)
1309 = go 0 (ilxEnvTyEnv env)
1312 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1313 <+> pprSepWithCommas
1314 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1315 (ilxEnvTyEnv env) <+> text "}")
1316 (char '!' <> pprId tv)
1318 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1319 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1322 emptyIlxEnv :: Bool -> Module -> IlxEnv
1323 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1325 nextPlace place sdoc = place <> sdoc
1326 usePlace place sdoc = place <> sdoc
1328 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1329 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1330 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1331 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1332 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1333 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1334 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1336 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1337 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1338 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1340 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1341 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1342 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1343 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1344 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1346 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1347 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1349 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1350 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1352 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1353 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1355 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1356 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1357 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1358 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1361 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1363 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1364 extendVarEnvList id_env (clovs 0 args),
1369 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1371 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1372 = IlxEnv (mod, tv_env, id_env,
1373 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1376 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1377 = IlxEnv (m, tv_env,
1378 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1379 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1381 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1382 = IlxEnv (m, tv_env,
1383 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1384 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1387 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1388 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1390 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1391 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1392 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1393 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1394 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1395 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1401 type IlxLabel = SDoc
1403 pprIlxLabel lbl = lbl
1405 mkJoinLabel :: Id -> IlxLabel
1406 mkJoinLabel v = text "J_" <> ppr v
1408 mkAltLabel :: Id -> Int -> IlxLabel
1409 mkAltLabel v n = text "A" <> int n <> ppr v
1411 ilxLabel :: IlxLabel -> SDoc
1412 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1416 %************************************************************************
1418 \subsection{Local pretty helper functions}
1420 %************************************************************************
1423 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1424 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1425 ilxComment pp = text "/*" <+> pp <+> text "*/"
1426 singleQuotes pp = char '\'' <> pp <> char '\''
1428 line = text "// ----------------------------------"
1430 hscOptionQual = if opt_SimplDoEtaReduction then text ".ilx-O" else text ".ilx-Onot"
1433 | isLocalName n = empty
1434 | ilxEnvModule env == nameModule n = text ""
1435 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1436 -- HACK: no Vanilla modules should be around, but they are!! This
1437 -- gets things working for the scenario "standard library linked as one
1438 -- assembly with multiple modules + a one module program running on top of this"
1439 -- Same applies to all other mentions of Vailla modules in this file
1440 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1441 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1443 | otherwise = packageReference (modulePackage (nameModule n))
1445 packageReference p = brackets (singleQuotes (ppr p <> hscOptionQual))
1446 moduleNameReference m = brackets ((text ".module") <+> (singleQuotes (pprModuleName m <> hscOptionQual <> text ".dll")))
1448 moduleReference env m
1449 | ilxEnvModule env == m = text ""
1450 | isHomeModule m = moduleNameReference (moduleName m)
1452 | isVanillaModule m && not inPrelude = preludePackageReference
1453 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1455 | otherwise = packageReference (modulePackage m)
1457 preludePackageReference = packageReference preludePackage
1458 inPrelude = preludePackage == opt_InPackage
1460 ------------------------------------------------
1461 -- This code is copied from absCSyn/CString.lhs,
1462 -- and modified to do the correct thing! It's
1463 -- still a mess though. Also, still have to do the
1464 -- right thing for embedded nulls.
1466 pprFSInILStyle :: FAST_STRING -> SDoc
1467 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1469 stringToC :: String -> String
1470 -- Convert a string to the form required by C in a C literal string
1471 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1473 stringToC [c] = charToC c
1475 -- if we have something "octifiable" in "c", we'd better "octify"
1476 -- the rest of the string, too.
1477 = if (c < ' ' || c > '~')
1478 then (charToC c) ++ (concat (map char_to_C cs))
1479 else (charToC c) ++ (stringToC cs)
1481 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1483 | c == '\b' = "\\b" -- ToDo: chk some of these...
1488 | otherwise = '\\' : (trigraph (ord c))
1490 charToC :: Char -> String
1491 -- Convert a character to the form reqd in a C character literal
1492 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1505 else '\\' : (trigraph (ord c))
1507 trigraph :: Int -> String
1509 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1510 chr ((n `div` 10) `rem` 10 + ord '0'),
1511 chr (n `rem` 10 + ord '0')]
1516 %************************************************************************
1518 \subsection{PrimOps and Constructors}
1520 %************************************************************************
1523 ----------------------------
1524 -- Allocate a fresh constructor
1526 ilxConApp env data_con args
1527 | isUnboxedTupleCon data_con
1528 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1531 -- Collapse the construction of an unboxed tuple type where
1532 -- every element is zero-sized
1533 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1535 -- Minimize the construction of an unboxed tuple type, which
1536 -- may contain zero-sized elements. Recompute all the
1537 -- bits and pieces from the simpler case below for the new data
1538 -- type constructor....
1539 let data_con' = tupleCon Unboxed (length tm_args') in
1540 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1542 let tycon' = dataConTyCon data_con' in
1543 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1544 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1545 let formal_env' = formalIlxEnv env formal_tyvars' in
1547 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1548 sep [text "newobj void ",
1549 ilxTyConApp env tycon' rep_ty_args',
1551 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1555 -- Now all other constructions
1556 = -- Assume C :: forall a. a -> T a -> T a
1557 -- ldloc x arg of type Int
1558 -- ldloc y arg of type T Int
1559 -- newdata classunion T<Int32>, C(!0, T <!0>)
1561 let tycon = dataConTyCon data_con in
1562 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1563 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1565 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1566 sep [ text "newdata",
1567 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1568 nest 2 (ilxConRef env data_con)
1572 tycon = dataConTyCon data_con
1573 rep_ty_args = map deepIlxRepType ty_args
1574 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1576 -- Split some type arguments off, throwing away the higher kinded ones for the moment.
1577 -- Base the higher-kinded checks off a corresponding list of formals.
1578 splitTyArgs :: [Var] -- Formals
1579 -> [StgArg] -- Actuals
1580 -> ([Type], [StgArg])
1581 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1582 | isIlxTyVar htv = ((h:l), r)
1583 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1584 where (l,r) = splitTyArgs ttv t
1585 splitTyArgs _ l = ([],l)
1587 -- Split some type arguments off, where none should be higher kinded
1588 splitTyArgs1 :: [StgArg] -> ([Type], [StgArg])
1589 splitTyArgs1 (StgTypeArg ty : args) = (ty:tys, args')
1591 (tys, args') = splitTyArgs1 args
1592 splitTyArgs1 args = ([], args)
1594 ilxConRef env data_con
1595 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1597 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1598 (arg_tys, _) = splitFunTys tau_ty
1599 env' = formalIlxEnv env tyvars
1607 %************************************************************************
1609 \subsection{PrimOps and Prim Representations} *
1610 %************************************************************************
1614 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1617 type IlxTyFrag = IlxEnv -> SDoc
1618 ilxType s env = text s
1620 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1622 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1623 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1625 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1627 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1628 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1629 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1630 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1631 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1632 (charPrimTyConKey, (\_ -> repChar)),
1633 (wordPrimTyConKey, (\_ -> repWord)),
1634 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1635 (intPrimTyConKey, (\_ -> repInt)),
1636 (int64PrimTyConKey, (\_ -> repInt64)),
1637 (word64PrimTyConKey, (\_ -> repWord64)),
1638 (floatPrimTyConKey, (\_ -> repFloat)),
1639 (doublePrimTyConKey, (\_ -> repDouble)),
1640 -- These can all also accept unlifted parameter types so we explicitly lift.
1641 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1642 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1643 (weakPrimTyConKey, (\[ty] -> repWeak (ilxTypeL2 ty))),
1644 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1645 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1646 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1647 (threadIdPrimTyConKey, (\_ -> repThread)),
1648 (bcoPrimTyConKey, (\_ -> repBCO))
1651 ilxTypeL2 :: Type -> IlxTyFrag
1652 ilxTypeL2 ty env = ilxTypeL env ty
1653 ilxTypeR2 :: Type -> IlxTyFrag
1654 ilxTypeR2 ty env = ilxTypeR env ty
1656 ilxMethA = ilxType "!!0"
1657 ilxMethB = ilxType "!!1"
1658 prelGHCReference :: IlxTyFrag
1659 prelGHCReference env =
1660 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1661 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1662 else preludePackageReference
1664 prelBaseReference :: IlxTyFrag
1665 prelBaseReference env =
1666 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1667 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1668 else preludePackageReference
1670 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1671 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1672 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1673 repInt = ilxType "int32"
1674 repWord = ilxType "unsigned int32"
1675 repAddr =ilxType "/* Addr */ void *"
1676 repInt64 = ilxType "int64"
1677 repWord64 = ilxType "unsigned int64"
1678 repFloat = ilxType "float32"
1679 repDouble = ilxType "float64"
1680 repChar = ilxType "/* Char */ unsigned int8"
1681 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1682 repInteger = ilxUnboxedPairRep repInt repByteArray
1683 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1684 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1685 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1686 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1687 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1688 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1689 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1690 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1691 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1692 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1694 ilxTyPair l r = ilxTyParams [l,r]
1695 ilxTyTriple l m r = ilxTyParams [l,m,r]
1696 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1697 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1698 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1699 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1701 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1702 ilxTyParams [] env = empty
1703 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1705 ilxTyParamsAux [] env = empty
1706 ilxTyParamsAux [h] env = h env
1707 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1708 ilxTyParams [] env = empty
1711 type IlxOpFrag = IlxEnv -> SDoc
1712 ilxOp :: String -> IlxOpFrag
1713 ilxOp s env = text s
1714 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1715 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1717 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1718 ilxParams l env = parens (ilxParamsAux l env)
1720 ilxParamsAux [] env = empty
1721 ilxParamsAux [h] env = h env
1722 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1725 ilxMethodRef rty cls nm tyargs args =
1726 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1727 ilxTyParams tyargs,ilxParams args]
1729 ilxCall m = ilxOpSeq [ilxOp "call", m]
1731 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1732 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1734 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1736 ilxMkBool :: IlxOpFrag
1737 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1738 ilxOp "PrelBase_Bool",
1739 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1740 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1741 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1742 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1743 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1744 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1745 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1746 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1747 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1748 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1749 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1751 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1752 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1754 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1757 CharGtOp -> simp_op ilxCgt
1758 CharGeOp -> simp_op ilxCge
1759 CharEqOp -> simp_op ilxCeq
1760 CharNeOp -> simp_op ilxCne
1761 CharLtOp -> simp_op ilxClt
1762 CharLeOp -> simp_op ilxCle
1764 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1765 ChrOp -> simp_op (ilxOp "conv.u4")
1767 IntGtOp -> simp_op ilxCgt
1768 IntGeOp -> simp_op ilxCge
1769 IntEqOp -> simp_op ilxCeq
1770 IntNeOp -> simp_op ilxCne
1771 IntLtOp -> simp_op ilxClt
1772 IntLeOp -> simp_op ilxCle
1774 IntToInt8Op -> simp_op (ilxOp"conv.i1")
1775 IntToInt16Op -> simp_op (ilxOp "conv.i2")
1776 IntToInt32Op -> simp_op (ilxOp "conv.i4")
1777 WordToWord8Op -> simp_op (ilxOp "conv.u1")
1778 WordToWord16Op -> simp_op (ilxOp "conv.u2")
1779 WordToWord32Op -> simp_op (ilxOp "conv.u4")
1781 WordGtOp -> simp_op ilxCgtUn
1782 WordGeOp -> simp_op ilxCgeUn
1783 WordEqOp -> simp_op ilxCeq
1784 WordNeOp -> simp_op ilxCne
1785 WordLtOp -> simp_op ilxCltUn
1786 WordLeOp -> simp_op ilxCleUn
1788 AddrGtOp -> simp_op ilxCgt
1789 AddrGeOp -> simp_op ilxCge
1790 AddrEqOp -> simp_op ilxCeq
1791 AddrNeOp -> simp_op ilxCne
1792 AddrLtOp -> simp_op ilxClt
1793 AddrLeOp -> simp_op ilxCle
1795 FloatGtOp -> simp_op ilxCgt
1796 FloatGeOp -> simp_op ilxCge
1797 FloatEqOp -> simp_op ilxCeq
1798 FloatNeOp -> simp_op ilxCne
1799 FloatLtOp -> simp_op ilxClt
1800 FloatLeOp -> simp_op ilxCle
1802 DoubleGtOp -> simp_op ilxCgt
1803 DoubleGeOp -> simp_op ilxCge
1804 DoubleEqOp -> simp_op ilxCeq
1805 DoubleNeOp -> simp_op ilxCne
1806 DoubleLtOp -> simp_op ilxClt
1807 DoubleLeOp -> simp_op ilxCle
1809 -- Int#-related ops:
1810 IntAddOp -> simp_op (ilxOp "add")
1811 IntSubOp -> simp_op (ilxOp "sub")
1812 IntMulOp -> simp_op (ilxOp "mul")
1813 IntQuotOp -> simp_op (ilxOp "div")
1814 IntNegOp -> simp_op (ilxOp "neg")
1815 IntRemOp -> simp_op (ilxOp "rem")
1817 -- Word#-related ops:
1818 WordAddOp -> simp_op (ilxOp "add")
1819 WordSubOp -> simp_op (ilxOp "sub")
1820 WordMulOp -> simp_op (ilxOp "mul")
1821 WordQuotOp -> simp_op (ilxOp "div")
1822 WordRemOp -> simp_op (ilxOp "rem")
1824 Addr2IntOp -> simp_op (ilxOp "conv.i4") -- Addresses are very dodgy for ILX. They are used for both C-strings and
1825 Int2AddrOp -> simp_op (ilxOp "conv.i") -- the FFI. This needs more work.
1826 ISllOp -> simp_op (ilxOp "shl")
1827 ISraOp -> simp_op (ilxOp "shr")
1828 ISrlOp -> simp_op (ilxOp "shr.un")
1829 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1830 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1831 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1832 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1835 -- Word#-related ops:
1836 AndOp -> simp_op (ilxOp "and")
1837 OrOp -> simp_op (ilxOp "or")
1838 NotOp -> simp_op (ilxOp "not")
1839 XorOp -> simp_op (ilxOp "xor")
1840 SllOp -> simp_op (ilxOp "shl")
1841 SrlOp -> simp_op (ilxOp "shr")
1842 Word2IntOp -> simp_op (ilxOp "conv.i4")
1843 Int2WordOp -> simp_op (ilxOp "conv.u4")
1845 -- Float#-related ops:
1846 FloatAddOp -> simp_op (ilxOp "add")
1847 FloatSubOp -> simp_op (ilxOp "sub")
1848 FloatMulOp -> simp_op (ilxOp "mul")
1849 FloatDivOp -> simp_op (ilxOp "div")
1850 FloatNegOp -> simp_op (ilxOp "neg")
1851 Float2IntOp -> simp_op (ilxOp "conv.i4")
1852 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1854 DoubleAddOp -> simp_op (ilxOp "add")
1855 DoubleSubOp -> simp_op (ilxOp "sub")
1856 DoubleMulOp -> simp_op (ilxOp "mul")
1857 DoubleDivOp -> simp_op (ilxOp "div")
1858 DoubleNegOp -> simp_op (ilxOp "neg")
1859 Double2IntOp -> simp_op (ilxOp "conv.i4")
1860 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1861 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1862 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1863 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1864 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1866 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1867 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1868 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1869 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1870 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1871 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1872 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1873 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1874 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1875 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1876 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1877 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1878 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1880 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1881 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1882 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1884 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1885 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1886 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1888 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1889 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1890 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1892 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1893 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1894 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1896 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1898 -- Integer (and related...) ops: bail out to support routines
1899 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1900 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1901 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1902 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1903 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1904 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1905 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1906 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1907 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1908 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1909 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1910 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1911 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1912 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1913 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1914 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1915 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1916 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1917 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1918 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1919 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1920 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1921 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1922 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1926 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1927 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1928 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1929 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1930 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1931 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1932 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1933 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1934 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1935 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1936 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1937 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1938 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1939 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1940 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1941 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1943 {- should be monadic??? -}
1944 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1945 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1946 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1947 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1948 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1949 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1950 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1951 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1952 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1953 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1954 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1955 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1956 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1957 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1958 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1959 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1960 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1961 {- ByteArr# -> Int# -> Char# -}
1964 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1965 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1966 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1967 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1968 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1969 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1970 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1971 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1972 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1973 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1974 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
1975 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
1976 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
1977 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
1978 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
1979 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
1980 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
1982 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1983 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1984 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1985 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1986 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1987 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1988 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1989 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1990 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1991 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1992 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1993 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1994 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1995 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1996 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1997 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
1999 -- ForeignObj: load the address inside the object first
2000 -- TODO: is this remotely right?
2001 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2002 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
2003 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2004 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2005 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
2006 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
2007 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
2008 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
2009 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
2010 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
2011 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2012 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
2013 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2014 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
2015 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2016 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
2018 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2019 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2020 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2021 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2022 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2023 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2024 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2025 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2026 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2027 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2028 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2029 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2030 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2031 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2032 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2033 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2034 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2036 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2037 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2038 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2039 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2040 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2041 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2042 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2043 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"])
2044 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2045 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2046 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2047 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2048 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2049 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2050 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2051 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2052 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2053 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2055 {- should be monadic??? -}
2056 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2057 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2058 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2059 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2060 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2061 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2062 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2063 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2064 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2065 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2067 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2068 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2069 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2070 {- ByteArr# -> Int# -}
2072 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2073 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2074 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2075 {- MutByteArr# s -> Int# -}
2077 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2078 {- MutVar# s a -> MutVar# s a -> Bool -}
2079 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2080 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2081 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2082 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2083 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2084 {- MutVar# s a -> a -> State# s -> State# s -}
2086 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethA])
2087 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2088 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2089 {- Array# a -> Int# -> (# a #) -}
2090 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2091 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2092 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2093 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2094 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2095 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2096 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2097 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2099 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2100 {- MutArr# s a -> MutArr# s a -> Bool -}
2103 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2104 CatchOp -> ty2_op (\ty1 ty2 ->
2105 ilxCallSuppMeth ilxMethA "'catch'" [ty1,ty2] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>", ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2106 {- (State# RealWorld -> (# State# RealWorld, a #) )
2107 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2109 -> (# State# RealWorld, a #)
2112 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2113 ilxCallSuppMeth ilxMethA "blockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2115 {- (State# RealWorld -> (# State# RealWorld, a #))
2116 -> (State# RealWorld -> (# State# RealWorld, a #))
2119 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2120 ilxCallSuppMeth ilxMethA "unblockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2123 State# RealWorld -> (# State# RealWorld, a #))
2124 -> (State# RealWorld -> (# State# RealWorld, a #))
2127 NewMVarOp -> ty2_op (\sty ty ->
2128 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2129 {- State# s -> (# State# s, MVar# s a #) -}
2131 TakeMVarOp -> ty2_op (\sty ty ->
2132 ilxCallSuppMeth ilxMethA "takeMVar" [ty] [repMVar ilxMethA])
2133 {- MVar# s a -> State# s -> (# State# s, a #) -}
2135 -- These aren't yet right
2136 TryTakeMVarOp -> ty2_op (\sty ty ->
2137 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA])
2138 {- MVar# s a -> State# s -> (# State# s, a #) -}
2140 TryPutMVarOp -> ty2_op (\sty ty ->
2141 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethA,ilxMethA])
2142 {- MVar# s a -> State# s -> (# State# s, a #) -}
2144 PutMVarOp -> ty2_op (\sty ty ->
2145 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethA, ilxMethA])
2146 {- MVar# s a -> a -> State# s -> State# s -}
2148 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2149 {- MVar# s a -> MVar# s a -> Bool -}
2151 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2152 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA]))
2153 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2155 IsEmptyMVarOp -> ty2_op (\sty ty ->
2156 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethA])
2157 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2159 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2162 DataToTagOp -> ty1_op (\ty1 ->
2163 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethA])
2166 TagToEnumOp -> ty1_op (\ty1 ->
2167 ilxCallSuppMeth ilxMethA "tagToEnum" [ty1] [repInt])
2170 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2171 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2172 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2173 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2175 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2176 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2177 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2178 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2180 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2181 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2183 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2184 {- StablePtr# a -> StablePtr# a -> Int# -}
2186 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethB) classWeak "bake" [ilxLift ty1,ilxLift ty2,ty3] [ilxMethA, ilxMethB, ilxLift (ilxOp "!!2")]))
2187 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2189 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethA) classWeak "deref" [ty1] [repWeak ilxMethA]))
2190 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxOp "thunk<(func ( /* unit skipped */ ) --> class '()')>")) classWeak "finalizer" [ty1] [repWeak ilxMethA]))
2191 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2192 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2194 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2195 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2196 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2197 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2198 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2199 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2200 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2201 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2203 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2204 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2205 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2206 {- Int# -> State# s -> State# s -}
2208 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2209 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2210 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2211 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2212 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2213 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2214 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2215 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2216 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2217 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2218 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2220 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2221 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2222 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2225 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2226 ty1_op op ((StgTypeArg ty1):rest) =
2227 ilxOpSeq [getArgsStartingAt 1 rest,
2228 op (ilxTypeR2 (deepIlxRepType ty1))]
2230 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2231 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2232 ilxOpSeq [getArgsStartingAt 2 rest,
2233 op (ilxTypeR2 (deepIlxRepType ty1))
2234 (ilxTypeR2 (deepIlxRepType ty2))]
2236 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2237 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2238 ilxOpSeq [getArgsStartingAt 3 rest,
2239 op (ilxTypeR2 (deepIlxRepType ty1))
2240 (ilxTypeR2 (deepIlxRepType ty2))
2241 (ilxTypeR2 (deepIlxRepType ty3))]
2243 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2244 arg2_op op [a1, a2] =
2248 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2249 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2250 op (ilxTypeR2 (deepIlxRepType ty1))
2254 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2255 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2256 op (ilxTypeR2 (deepIlxRepType ty1))
2262 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2263 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2264 op (ilxTypeR2 (deepIlxRepType ty1))
2265 (ilxTypeR2 (deepIlxRepType ty2))
2273 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2274 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2276 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2277 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2278 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2281 %************************************************************************
2283 \subsection{C Calls}
2285 %************************************************************************
2288 -- Call the P/Invoke stub wrapper generated in the import section.
2289 -- We eliminate voids in and around an IL C Call.
2290 -- We also do some type-directed translation for pinning Haskell-managed blobs
2291 -- of data as we throw them across the boundary.
2292 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc)) args ret_ty
2293 = ilxComment (text "C call <+> pprCLabelString c") <+>
2294 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2295 text "call" <+> retdoc <+> pprCLabelString c <+> pprTypeArgs ilxTypeR env ty_args
2296 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2298 retdoc | isVoidIlxRepType ret_ty = text "void"
2299 | otherwise = ilxTypeR env (deepIlxRepType ret_ty)
2300 (ty_args,tm_args) = splitTyArgs1 args
2302 ilxFCall env (DNCall (DNCallSpec call_instr)) args ret_ty
2303 = ilxComment (text "IL call") <+>
2304 vcat [vcat (ilxMapPlaceArgs 0 pushEvalArg env tm_args),
2306 -- In due course we'll need to pass the type arguments
2307 -- and to do that we'll need to have more than just a string
2311 (ty_args,tm_args) = splitTyArgs1 args
2313 -- Push and argument and force its evaluation if necessary.
2314 pushEvalArg _ (StgTypeArg _) = empty
2315 pushEvalArg env (StgVarArg arg) = ilxFunApp env arg [] False
2316 pushEvalArg env (StgLitArg lit) = pushLit env lit
2319 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2320 hasTyCon _ _ = False
2322 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2323 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2325 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2326 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2328 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2330 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2331 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2332 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2333 pushCArg env arg | otherwise = pushArg env arg
2335 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2336 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2337 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2338 pprCValArgTy f env ty | otherwise = f env ty
2341 foldR :: (a -> b -> b) -> [a] -> b -> b
2343 -- foldR f (x:xs) z = f x (foldR f xs z)
2344 {-# INLINE foldR #-}
2345 foldR k xs z = go xs
2348 go (y:ys) = y `k` go ys