2 \section{Generate COM+ extended assembler}
5 module IlxGen( ilxGen ) where
7 #include "HsVersions.h"
9 import Char ( ord, chr )
11 import Id ( idType, idName, isDeadBinder, idArityInfo )
12 import IdInfo ( arityLowerBound )
13 import Var ( Var, Id, TyVar, isId, isTyVar, tyVarKind, tyVarName )
15 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
16 newTyConRep, tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
18 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
19 isUnLiftedType, isTyVarTy, mkTyVarTy, predRepTy,
20 splitForAllTys, splitFunTys, applyTy, applyTys
22 import TypeRep ( Type(..) )
23 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys )
24 import Literal ( Literal(..) )
25 import PrelNames -- Lots of keys
26 import PrimOp ( PrimOp(..) )
27 import ForeignCall ( ForeignCall(..), CCall(..), CCallTarget(..) )
28 import TysWiredIn ( mkTupleTy, tupleCon )
29 import PrimRep ( PrimRep(..) )
30 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
31 import Subst ( substTy, mkTyVarSubst )
33 import Module ( Module, PackageName, ModuleName, moduleName,
34 modulePackage, preludePackage,
35 isHomeModule, isVanillaModule,
36 pprModuleName, mkHomeModule, mkModuleName
40 import BasicTypes ( Boxity(..) )
41 import CStrings ( CLabelString, pprCLabelString )
42 import CCallConv ( CCallConv )
45 import List ( partition, elem, insertBy,any )
47 import {-# SOURCE #-} PprType( pprType ) -- Only called in debug messages
49 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
51 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
52 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
53 -- names when this is set (because that's clue that -O was set).
54 -- One day this will be configured by the command line.
55 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
61 %************************************************************************
63 \subsection{Main driver}
65 %************************************************************************
68 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
69 -- The TyCons should include those arising from classes
70 ilxGen mod tycons binds_w_srts
71 = vcat [vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
72 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
73 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
74 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
75 vcat (map (ilxTyCon topenv) data_tycons),
76 vcat (map (ilxBindClosures topenv) binds),
77 ilxTopBind mod topenv toppairs
80 binds = map fst binds_w_srts
81 toppairs = ilxPairs binds
82 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
83 -- Generate info from class decls as well
84 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
85 data_tycons = filter isDataTyCon tycons
88 %************************************************************************
90 \subsection{Find Imports}
92 %************************************************************************
96 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo-> ImportsInfo
97 importsBinds env binds = foldR (importsBind env) binds
99 importsNone :: ImportsInfo -> ImportsInfo
100 importsNone sofar = sofar
102 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
103 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
104 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
106 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
107 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
108 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
110 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
111 importsExpr env (StgLit _) = importsNone
112 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
113 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
114 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _)) _) args rty)
115 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
117 (ty_args,tm_args) = splitTyArgs1 args
119 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
122 importsExpr env (StgSCC _ expr) = importsExpr env expr
123 importsExpr env (StgCase scrut _ _ bndr _ alts)
124 = importsExpr env scrut. imports_alts alts. importsVar env bndr
126 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
127 -- by the case-binder's type
128 = foldR imports_alg_alt alg_alts . imports_deflt deflt
130 imports_alg_alt (con, bndrs, _, rhs)
131 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
133 imports_alts (StgPrimAlts _ alg_alts deflt)
134 = foldR imports_prim_alt alg_alts . imports_deflt deflt
136 imports_prim_alt (_, rhs) = importsExpr env rhs
137 imports_deflt StgNoDefault = importsNone
138 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
141 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
142 importsExpr env (StgLet bind body)
143 = importsBind env bind . importsExpr env body
145 importsApp env v args = importsVar env v. importsStgArgs env args
146 importsStgArgs env args = foldR (importsStgArg env) args
148 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
149 importsStgArg env (StgTypeArg ty) = importsType env ty
150 importsStgArg env (StgVarArg v) = importsVar env v
151 importsStgArg env _ = importsNone
153 importsVars env vs = foldR (importsVar env) vs
154 importsVar env v = importsName env (idName v). importsType env (idType v)
157 | isLocalName n = importsNone
158 | ilxEnvModule env == nameModule n = importsNone
159 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
161 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
162 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
164 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
167 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
168 importsType env ty = importsType2 env (deepIlxRepType ty)
170 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
171 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
172 importsType2 env (TyVarTy _) = importsNone
173 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
174 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
175 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
176 importsType2 env (NoteTy _ ty) = importsType2 env ty
177 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
178 importsTypeArgs2 env tys = foldR (importsType2 env) tys
180 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
182 importsTyCon env tc | (not (isDataTyCon tc) ||
183 isLocalName (getName tc) ||
184 ilxEnvModule env == nameModule (getName tc)) = importsNone
185 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc
187 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
188 | otherwise = addPackageImpInfo preludePackage
190 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
191 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
192 -- (Packages, Modules, Datatypes, Imported CCalls)
194 emptyImpInfo :: ImportsInfo
195 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
196 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
197 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
198 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
199 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
201 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
202 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
203 ilxImportTyCon _ _ | otherwise = empty
205 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
206 ilxImportPackage _ p = text ".assembly extern ilx" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
208 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
209 ilxImportModule _ m = text ".module extern ilx" <+> singleQuotes (ppr m <> hscOptionQual <> text ".dll")
211 -- Emit a P/Invoke declaration for the imported C function
212 -- TODO: emit the right DLL name
213 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
214 ilxImportCCall env (c,cc,args,ret) =
215 text ".method static assembly pinvokeimpl" <+>
216 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
217 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
218 text "native unmanaged preservesig { }"
221 if isVoidIlxRepType ret then text "void"
222 else ilxTypeR env (deepIlxRepType ret)
227 %************************************************************************
229 \subsection{Type declarations}
231 %************************************************************************
236 ilxTyCon :: IlxEnv -> TyCon -> SDoc
237 ilxTyCon env tycon = ilxTyConDef False env tycon
239 -- filter to get only dataTyCons?
240 ilxTyConDef importing env tycon =
242 text ".classunion" <+> (if importing then text "extern" else empty) <+> text "thunk"
243 <+> ((nameReference env (getName tycon)) <> (ppr tycon)) <+> tyvars_text <+> alts_text]
245 tyvars = tyConTyVars tycon
246 (ilx_tvs, _) = categorizeTyVars tyvars
247 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
248 tyvars_text = pprTyVarBinders alts_env ilx_tvs
249 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
250 alts_text = nest 2 (braces alts)
252 pprIlxDataCon env dcon =
253 text ".alternative" <+> pprId dcon <+>
254 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
258 %************************************************************************
260 \subsection{Getting the .closures and literals out} *
261 %************************************************************************
265 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
266 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
267 ilxBindClosures env (StgRec _ pairs)
268 = vcat (map (ilxRhsClosures new_env) pairs)
270 new_env = extendIlxEnvWithBinds env pairs
273 ilxRhsClosures _ (_, StgRhsCon _ _ _)
276 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
277 = vcat [ilxExprClosures next_env rhs,
280 kind_text <+> singleQuotes cloname <+> free_vs_text,
283 vcat [text ".apply" <+> closure_sig_text,
291 kind_of_thing = case upd of
292 Updatable -> ASSERT( null args ) ".thunk"
293 otherwise -> ".closure"
294 kind_text = text kind_of_thing
296 cloname = ilxEnvQualifyByModule env (ppr bndr)
297 next_env = ilxPlaceStgRhsClosure env bndr
298 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
305 otherwise -> args_text),
306 text "-->" <+> rty_text]
308 (args_text,env_with_args) = pprArgBinders env_with_fvs args
310 -- Find the type returned, from the no. of args and the type of "bndr"
312 case retType env_with_fvs (idIlxRepType bndr) args of
314 if isVoidIlxRepType ty then (text "void")
316 Nothing -> trace "WARNING! IlxGen.trace could not find return type - see generated ILX for context where this occurs." (text "// Could not find return type:" <+> ilxTypeR env_with_fvs (idIlxRepType bndr)<+> text ", non representation: " <+> ilxTypeR env_with_fvs (idType bndr))
318 -- strip off leading ForAll and Fun type constructions
319 -- up to the given number of arguments, extending the environment as
321 retType env ty [] = Just (env, ty)
322 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
323 retType env (FunTy l r) (arg:args) = retType env r args
324 retType _ _ _ = Nothing
326 -- Code for the local variables
327 locals = ilxExprLocals env_with_args rhs
329 env_with_locals = extendIlxEnvWithLocals env_with_args locals
331 -- Code for the body of the main apply method
332 body_code = vcat [empty,
333 pprIlxLocals env_with_args locals,
334 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
338 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
341 pprIlxLocals env [] = empty
343 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
345 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
346 nonVoidLocal _ = True
348 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
349 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
352 pprFreeBinders env fvs
353 = (ilx_tvs_text <+> vs_text, env2)
355 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
356 real_free_vs = filter (not . isVoidIlxRepId) free_vs
357 -- ignore the higher order type parameters for the moment
358 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
359 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
360 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
361 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
362 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
364 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
366 -- Declarations for the arguments of the main apply method
367 pprArgBinders env [] = (empty,env)
368 pprArgBinders env (arg:args)
369 = (arg_text <+> rest_text, res_env)
371 (arg_text,env') = pprArgBinder env arg
372 (rest_text,res_env) = pprArgBinders env' args
374 -- We could probably omit some void argument binders, but
377 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
379 = if isTyVar arg then
380 let env' = extendIlxEnvWithTyArgs env [arg] in
381 (pprTyVarBinder env' arg, env')
382 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
385 -- Compute local variables used by generated method.
386 -- The names of some generated locals are recorded as SDocs.
388 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
390 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
391 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
392 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
393 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
394 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
395 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
396 ilxAltsLocals env alts
397 ilxExprLocals env (StgOpApp (StgFCallOp 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,ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
734 known_clo :: KnownClosure
736 case lookupIlxBindEnv env fun of
737 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
738 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
739 _ -> trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun))) Nothing
741 type KnownClosure = Maybe (Place -- Of the binding site of the function
744 , [Var]) -- Free vars of the closure
746 -- Push as many arguments as ILX allows us to in one go, and call the function
747 -- Recurse until we're done.
748 -- The function is already on the stack
749 ilxFunAppArgs :: IlxEnv
750 -> Int -- Number of args already pushed (zero is a special case;
751 -- otherwise used only for place generation)
752 -> Type -- Type of the function
753 -> [StgArg] -- The arguments
754 -> Bool -- True <=> tail call please
755 -> KnownClosure -- Information about the function we're calling
758 ilxFunAppArgs env num_sofar funty args tail_call known_clo
759 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
760 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
770 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
773 | isVoidIlxRepType later_ty = text "void"
774 | otherwise = ilxTypeR env_after_now_tyvs later_ty
776 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
778 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
779 _ -> get_term_args 0 ilxBestTermArity args env funty
781 -- Only apply up to maxArity real (non-type) arguments
782 -- at a time. ILX should, in principle, allow us to apply
783 -- arbitrary numbers, but you will get more succinct
784 -- (and perhaps more efficient) IL code
785 -- if you apply in clumps according to its maxArity setting.
786 -- This is because it has to unwind the stack and store it away
787 -- in local variables to do the partial applications.
789 -- Similarly, ILX only allows one type application at a time, at
790 -- least until we implement unwinding the stack for this case.
792 -- NB: In the future we may have to be more careful
793 -- all the way through
794 -- this file to bind type variables as we move through
795 -- type abstractions and "forall" types. This would apply
796 -- especially if the type variables were ever bound by expressions
797 -- involving the type variables.
799 -- This part strips off at most "max" term applications or one type application
800 get_type_args 0 args env funty = ([],[],env,args,funty)
801 get_type_args max args env (NoteTy _ ty) =
802 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
803 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
804 = if isIlxTyVar tv then
805 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
806 let rest_ty = deepIlxRepType (substTy (mkTyVarSubst [tv] [v]) rem_funty) in
807 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
808 let arg_ty = mkTyVarTy tv in
809 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
811 get_type_args max rest env rem_funty -- ? subst??
812 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
813 get_type_args _ args env funty = ([],[],env,args,funty)
815 get_term_args n max args env (NoteTy _ ty)
817 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
818 get_term_args n 0 args env funty
819 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
820 = ([],[],env,args,funty)
821 get_term_args n max args env funty
823 Just (_,_,needed,_) -> (length needed == n)
825 -- Stop if we have the optimal number for a direct call
826 = ([],[],env,args,funty)
827 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
828 -- Stop if we hit a type arg.
829 = ([],[],env,args,funty)
830 get_term_args n max (h:t) env (FunTy dom ran)
832 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
833 (h:now, (h,dom):now_tys,env2,later,later_ty)
834 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)
835 get_term_args _ max args env funty = ([],[],env,args,funty)
837 -- Are there any remaining arguments?
838 done = case later_args of
842 -- If so, generate the subsequent calls.
843 later = if done then text "// done"
844 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
846 -- Work out whether to issue a direct call a known closure (callclo) or
847 -- an indirect call (callfunc). Basically, see if the identifier has
848 -- been let-bound, and then check we are applying exactly the right
849 -- number of arguments. Also check that it's not a thunk (actually, this
850 -- is done up above).
852 -- The nasty "all" check makes sure that
853 -- the set of type variables in scope at the callsite is a superset
854 -- of the set of type variables needed for the direct call. This is
855 -- is needed because not all of the type variables captured by a
856 -- let-bound binding will get propogated down to the callsite, and
857 -- the ILX system of polymorphism demands that the free type variables
858 -- get reapplied when we issue the direct "callclo". The
859 -- type variables are in reality also "bound up" in the closure that is
860 -- passed as the first argument, so when we do an indirect call
861 -- to that closure we're fine, which is why we don't need them in
862 -- the "callfunc" case.
865 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
866 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
867 vcat [text "callclo class",
868 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
869 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
872 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
873 otherwise -> text "callfunc"
875 if (tail_call && done) then text "tail." <+> basic_call_instr
876 else basic_call_instr
879 --------------------------
880 -- Print the arg info at the call site
881 -- For type args we are, at the moment, required to
882 -- give both the actual and the formal (bound). The formal
883 -- bound is always System.Object at the moment (bounds are
884 -- not properly implemented in ILXASM in any case, and nor do
885 -- we plan on making use og them) For
886 -- non-type args the actuals are on the stack, and we just give the
888 pprIlxArgInfo env (StgTypeArg arg,ty) =
889 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
890 pprIlxArgInfo env (_,ty) =
891 parens (ilxTypeL env ty)
894 ----------------------------
895 -- Code for a binding
896 ilxBind :: IlxEEnv -> StgBinding -> SDoc
897 ilxBind eenv@(IlxEEnv env _) bind =
898 vcat [vcat (map (ilxRhs env rec) pairs),
899 vcat (map (ilxFixupRec env rec) pairs)]
901 rec = ilxRecIds1 bind
902 pairs = ilxPairs1 bind
905 ----------------------------
906 -- Allocate a closure or constructor. Fix up recursive definitions.
907 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
909 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
912 ilxRhs env rec (bndr, StgRhsCon _ con args)
913 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
914 text "stloc" <+> pprId bndr
917 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
918 = -- Assume .closure v<any A>(int64,!A) {
919 -- .apply <any B> (int32) (B) { ... }
922 -- let v = \B (x:int32) (y:B). ...
924 -- newclo v<int32>(int64,!0)
926 vcat [vcat (map pushFv free_vs),
927 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
928 text "newclo" <+> clotext,
929 text "stloc" <+> pprId bndr
932 pushFv id = if elem id rec then text "ldnull" else pushId env id
933 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
934 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
936 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
938 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
939 = text "// no recursive fixup"
941 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
942 = vcat [vcat (map fixFv rec)]
944 fixFv recid = if elem recid fvs then
945 vcat [pushId env bndr,
947 text "stclofld" <+> clotext <> text "," <+> pprId recid]
948 else text "//no fixup needed for" <+> pprId recid
949 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
950 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
954 ---------------------------------------------
955 -- Code for a top-level binding in a module
956 ilxPairs binds = concat (map ilxPairs1 binds)
958 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
959 ilxPairs1 (StgRec _ pairs) = pairs
961 ilxRecIds1 (StgNonRec _ bndr rhs) = []
962 ilxRecIds1 (StgRec _ pairs) = map fst pairs
964 ---------------------------------------------
965 -- Code for a top-level binding in a module
966 -- TODO: fix up recursions amongst CAF's
971 -- For the moment I've put in a completely spurious "reverse"...
973 -- Consider: make fixing up of CAF's part of ILX? i.e.
974 -- put static, constant, allocated datastructures into ILX.
976 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
977 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
978 stableSortBy f [] = []
980 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
981 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
982 usedBy (m,_) (n,_) | m == n = EQ
983 usedBy (m,_) (_,_) = GT
985 isArg m (StgVarArg n) = (n == m)
989 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
990 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
991 --ilxTopRhs env (bndr,rhs)
992 ilxTopBind mod env pairs =
993 vcat [text ".class" <+> pprId mod,
994 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
996 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
998 (nest 2 (vcat [text ".maxstack 100",
999 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1000 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
1001 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1004 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
1006 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
1009 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
1010 = vcat [vcat (map (pushId env) free_vs),
1011 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
1012 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
1013 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1016 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1017 bndTy = idIlxRepType bndr
1019 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1020 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1021 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1024 bndTy = idIlxRepType bndr
1026 pprFieldRef env (mod,ty,id)
1027 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1029 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1030 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1032 bndTy = idIlxRepType bndr
1033 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1034 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1036 bndTy = idIlxRepType bndr
1038 --------------------------------------
1040 pushArgWithVoids = pushArg_aux True
1041 pushArg = pushArg_aux False
1043 pushArg_aux voids env (StgTypeArg ty) = empty
1044 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1045 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1048 mapi f l = mapi_aux f l 0
1050 mapi_aux f [] n = []
1051 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1053 --------------------------------------
1055 pushId = pushId_aux False
1057 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1058 pushId_aux voids _ id | isVoidIlxRepId id =
1059 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1060 pushId_aux _ env var
1061 = case lookupIlxVarEnv env var of
1062 Just Arg -> text "ldarg" <+> pprId var
1063 Just (CloVar n) -> text "ldenv" <+> int n
1064 Just Local -> text "ldloc" <+> pprId var
1066 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1067 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1068 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1071 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1072 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1073 <+> pprIlxTopVar env var]
1075 --------------------------------------
1077 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1078 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1079 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1080 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1081 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1082 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1083 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1084 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1085 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1086 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1090 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1091 | otherwise = pprId (nameOccName n)
1098 %************************************************************************
1100 \subsection{Printing types}
1102 %************************************************************************
1107 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1108 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1109 isVoidIlxRepType (TyConApp tc tys)
1110 = case newTyConRep tc of
1111 Just rep_ty -> isVoidIlxRepType (applyTys rep_ty tys)
1113 isUnboxedTupleTyCon tc &&
1114 null (filter (not. isVoidIlxRepType) tys)
1115 isVoidIlxRepType _ = False
1117 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1121 -- Get rid of all NoteTy and NewTy artifacts
1122 deepIlxRepType :: Type -> Type
1123 deepIlxRepType (FunTy l r)
1124 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1126 deepIlxRepType ty@(TyConApp tc tys)
1127 = case newTyConRep tc of
1129 let res = deepIlxRepType (applyTys rep_ty tys) in
1130 if not (length tys == tyConArity tc ) then
1131 pprTrace "deepIlxRepType" (text "length tys <> tyConArity tc, ty = " <+> pprType ty <+> text ", length tys = " <+> ppr (length tys) <+> text ", tyConArity = " <+> ppr (tyConArity tc)) res
1133 -- The assert should hold because deepIlxRepType should
1134 -- only be applied to *types* (of kind *)
1136 -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1137 -- e.g. (# State#, Int#, Int# #) ===> (# Int#, Int# #)
1138 if isUnboxedTupleTyCon tc then
1139 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1142 _ -> mkTupleTy Unboxed (length tys') tys'
1144 TyConApp tc (map deepIlxRepType tys)
1145 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1146 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1147 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1148 deepIlxRepType (PredTy p) = deepIlxRepType (predRepTy p)
1149 deepIlxRepType ty@(TyVarTy tv) = ty
1151 idIlxRepType id = deepIlxRepType (idType id)
1153 --------------------------
1154 -- Some primitive type constructors are not thunkable.
1155 -- Everything else needs to be marked thunkable.
1156 ilxTypeL :: IlxEnv -> Type -> SDoc
1158 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1159 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1162 --------------------------
1163 -- Print non-thunkable version of type.
1166 ilxTypeR :: IlxEnv -> Type -> SDoc
1167 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1168 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1169 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))
1170 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1172 -- The following is a special rule for types constructed out of
1173 -- higher kinds, e.g. Monad f or Functor f.
1175 -- The code below is not as general as it should be, but as I
1176 -- have no idea if this approach will even work, I'm going to
1177 -- just try it out on some simple cases arising from the prelude.
1178 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1179 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1180 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1181 = ilxTypeR env (TyConApp tc t)
1182 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1184 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1185 -- is on the left of an arrow
1186 -- We could probably eliminate all but a final occurrence of these.
1187 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1188 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1189 ilxTypeR env (FunTy arg res)
1190 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1192 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1193 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1195 env' = extendIlxEnvWithFormalTyVars env [tv]
1197 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1198 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1199 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1201 ilxTypeR env (NoteTy _ ty)
1202 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1203 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1206 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1208 ilxTyConApp env tc args =
1209 case lookupUFM tyPrimConTable (getUnique tc) of
1210 Just f -> f args env
1212 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1213 env ((nameReference env (getName tc)) <> (ppr tc)) args
1215 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1216 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1218 -- Returns e.g: <Int32, Bool>
1219 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1221 pprTypeArgs_aux f env [] = empty
1222 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1225 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1226 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1227 -- plus a new environment with the type variables added.
1228 pprTyVarBinders env [] = empty
1229 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1231 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1232 pprTyVarBinder env tv =
1233 if isIlxTyVar tv then
1234 angleBrackets (pprTyVarBinder_aux env tv)
1236 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1237 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1238 ilxComment (text "omitted")
1239 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1242 pprTyVarBinder_aux env tv =
1243 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1244 ilxTypeR env (tyVarKind tv)) <+>
1245 (text "class [mscorlib]System.Object")
1247 -- Only a subset of Haskell types can be generalized using the type quantification
1250 ( h == liftedTypeKind) ||
1251 ( h == unliftedTypeKind) ||
1252 ( h == openTypeKind)
1254 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1256 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1258 (tvs, vs) = partition isTyVar fvs
1259 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1261 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1263 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1265 pprId id = singleQuotes (ppr id)
1269 %************************************************************************
1273 %************************************************************************
1276 type IlxTyEnv = [TyVar]
1279 -- Nb. There is currently no distinction between the kinds of type variables.
1280 -- We may need to add this to print out correct numbers, esp. for
1282 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1283 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1284 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1286 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1287 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1289 data HowBound = Top Module -- Bound in a modules
1290 | Arg -- Arguments to the enclosing closure
1291 | CloVar Int -- A free variable of the enclosing closure
1292 -- The int is the index of the field in the
1294 | Local -- Local let binding
1296 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1297 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1298 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1299 type Place = (SDoc,SDoc)
1302 = go 0 (ilxEnvTyEnv env)
1305 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1306 <+> pprSepWithCommas
1307 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1308 (ilxEnvTyEnv env) <+> text "}")
1309 (char '!' <> pprId tv)
1311 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1312 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1315 emptyIlxEnv :: Bool -> Module -> IlxEnv
1316 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1318 nextPlace place sdoc = place <> sdoc
1319 usePlace place sdoc = place <> sdoc
1321 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1322 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1323 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1324 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1325 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1326 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1327 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1329 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1330 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1331 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1333 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1334 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1335 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1336 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1337 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1339 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1340 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1342 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1343 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1345 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1346 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1348 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1349 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1350 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1351 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1354 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1356 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1357 extendVarEnvList id_env (clovs 0 args),
1362 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1364 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1365 = IlxEnv (mod, tv_env, id_env,
1366 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1369 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1370 = IlxEnv (m, tv_env,
1371 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1372 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1374 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1375 = IlxEnv (m, tv_env,
1376 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1377 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1380 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1381 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1383 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1384 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1385 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1386 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1387 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1388 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1394 type IlxLabel = SDoc
1396 pprIlxLabel lbl = lbl
1398 mkJoinLabel :: Id -> IlxLabel
1399 mkJoinLabel v = text "J_" <> ppr v
1401 mkAltLabel :: Id -> Int -> IlxLabel
1402 mkAltLabel v n = text "A" <> int n <> ppr v
1404 ilxLabel :: IlxLabel -> SDoc
1405 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1409 %************************************************************************
1411 \subsection{Local pretty helper functions}
1413 %************************************************************************
1416 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1417 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1418 ilxComment pp = text "/*" <+> pp <+> text "*/"
1419 singleQuotes pp = char '\'' <> pp <> char '\''
1421 line = text "// ----------------------------------"
1423 hscOptionQual = if opt_SimplDoEtaReduction then text ".ilx-O" else text ".ilx-Onot"
1426 | isLocalName n = empty
1427 | ilxEnvModule env == nameModule n = text ""
1428 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1429 -- HACK: no Vanilla modules should be around, but they are!! This
1430 -- gets things working for the scenario "standard library linked as one
1431 -- assembly with multiple modules + a one module program running on top of this"
1432 -- Same applies to all other mentions of Vailla modules in this file
1433 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1434 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1436 | otherwise = packageReference (modulePackage (nameModule n))
1438 packageReference p = brackets ((text "ilx") <+> singleQuotes (ppr p <> hscOptionQual))
1439 moduleNameReference m = brackets ((text ".module") <+> (text "ilx") <+> singleQuotes (pprModuleName m <> hscOptionQual <> text ".dll"))
1441 moduleReference env m
1442 | ilxEnvModule env == m = text ""
1443 | isHomeModule m = moduleNameReference (moduleName m)
1445 | isVanillaModule m && not inPrelude = preludePackageReference
1446 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1448 | otherwise = packageReference (modulePackage m)
1450 preludePackageReference = packageReference preludePackage
1451 inPrelude = preludePackage == opt_InPackage
1453 ------------------------------------------------
1454 -- This code is copied from absCSyn/CString.lhs,
1455 -- and modified to do the correct thing! It's
1456 -- still a mess though. Also, still have to do the
1457 -- right thing for embedded nulls.
1459 pprFSInILStyle :: FAST_STRING -> SDoc
1460 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1462 stringToC :: String -> String
1463 -- Convert a string to the form required by C in a C literal string
1464 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1466 stringToC [c] = charToC c
1468 -- if we have something "octifiable" in "c", we'd better "octify"
1469 -- the rest of the string, too.
1470 = if (c < ' ' || c > '~')
1471 then (charToC c) ++ (concat (map char_to_C cs))
1472 else (charToC c) ++ (stringToC cs)
1474 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1476 | c == '\b' = "\\b" -- ToDo: chk some of these...
1481 | otherwise = '\\' : (trigraph (ord c))
1483 charToC :: Char -> String
1484 -- Convert a character to the form reqd in a C character literal
1485 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1498 else '\\' : (trigraph (ord c))
1500 trigraph :: Int -> String
1502 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1503 chr ((n `div` 10) `rem` 10 + ord '0'),
1504 chr (n `rem` 10 + ord '0')]
1509 %************************************************************************
1511 \subsection{PrimOps and Constructors}
1513 %************************************************************************
1516 ----------------------------
1517 -- Allocate a fresh constructor
1519 ilxConApp env data_con args
1520 | isUnboxedTupleCon data_con
1521 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1524 -- Collapse the construction of an unboxed tuple type where
1525 -- every element is zero-sized
1526 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1528 -- Minimize the construction of an unboxed tuple type, which
1529 -- may contain zero-sized elements. Recompute all the
1530 -- bits and pieces from the simpler case below for the new data
1531 -- type constructor....
1532 let data_con' = tupleCon Unboxed (length tm_args') in
1533 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1535 let tycon' = dataConTyCon data_con' in
1536 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1537 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1538 let formal_env' = formalIlxEnv env formal_tyvars' in
1540 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1541 sep [text "newobj void ",
1542 ilxTyConApp env tycon' rep_ty_args',
1544 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1548 -- Now all other constructions
1549 = -- Assume C :: forall a. a -> T a -> T a
1550 -- ldloc x arg of type Int
1551 -- ldloc y arg of type T Int
1552 -- newdata classunion T<Int32>, C(!0, T <!0>)
1554 let tycon = dataConTyCon data_con in
1555 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1556 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1558 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1559 sep [ text "newdata",
1560 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1561 nest 2 (ilxConRef env data_con)
1565 tycon = dataConTyCon data_con
1566 rep_ty_args = map deepIlxRepType ty_args
1567 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1569 -- Split some type arguments off, throwing away the higher kinded ones for the moment.
1570 -- Base the higher-kinded checks off a corresponding list of formals.
1571 splitTyArgs :: [Var] -- Formals
1572 -> [StgArg] -- Actuals
1573 -> ([StgArg], [StgArg])
1574 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1575 | isIlxTyVar htv = ((h:l), r)
1576 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1577 where (l,r) = splitTyArgs ttv t
1578 splitTyArgs _ l = ([],l)
1580 -- Split some type arguments off, where none should be higher kinded
1581 splitTyArgs1 :: [StgArg] -> ([StgArg], [StgArg])
1582 splitTyArgs1 args = span is_type_arg args
1584 is_type_arg (StgTypeArg _) = True
1585 is_type_arg other = False
1587 ilxConRef env data_con
1588 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1590 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1591 (arg_tys, _) = splitFunTys tau_ty
1592 env' = formalIlxEnv env tyvars
1600 %************************************************************************
1602 \subsection{PrimOps and Prim Representations} *
1603 %************************************************************************
1607 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1610 type IlxTyFrag = IlxEnv -> SDoc
1611 ilxType s env = text s
1613 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1615 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1616 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1618 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1620 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1621 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1622 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1623 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1624 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1625 (charPrimTyConKey, (\_ -> repChar)),
1626 (wordPrimTyConKey, (\_ -> repWord)),
1627 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1628 (intPrimTyConKey, (\_ -> repInt)),
1629 (int64PrimTyConKey, (\_ -> repInt64)),
1630 (word64PrimTyConKey, (\_ -> repWord64)),
1631 (floatPrimTyConKey, (\_ -> repFloat)),
1632 (doublePrimTyConKey, (\_ -> repDouble)),
1633 -- These can all also accept unlifted parameter types so we explicitly lift.
1634 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1635 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1636 (weakPrimTyConKey, (\[_, ty] -> repWeak (ilxTypeL2 ty))),
1637 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1638 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1639 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1640 (threadIdPrimTyConKey, (\_ -> repThread)),
1641 (bcoPrimTyConKey, (\_ -> repBCO))
1644 ilxTypeL2 :: Type -> IlxTyFrag
1645 ilxTypeL2 ty env = ilxTypeL env ty
1646 ilxTypeR2 :: Type -> IlxTyFrag
1647 ilxTypeR2 ty env = ilxTypeR env ty
1649 ilxMethA = ilxType "!!0"
1650 ilxMethB = ilxType "!!1"
1651 prelGHCReference :: IlxTyFrag
1652 prelGHCReference env =
1653 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1654 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1655 else preludePackageReference
1657 prelBaseReference :: IlxTyFrag
1658 prelBaseReference env =
1659 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1660 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1661 else preludePackageReference
1663 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1664 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1665 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1666 repInt = ilxType "int32"
1667 repWord = ilxType "unsigned int32"
1668 repAddr =ilxType "/* Addr */ void *"
1669 repInt64 = ilxType "int64"
1670 repWord64 = ilxType "unsigned int64"
1671 repFloat = ilxType "float32"
1672 repDouble = ilxType "float64"
1673 repChar = ilxType "/* Char */ unsigned int8"
1674 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1675 repInteger = ilxUnboxedPairRep repInt repByteArray
1676 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1677 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1678 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1679 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1680 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1681 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1682 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1683 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1684 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1685 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1687 ilxTyPair l r = ilxTyParams [l,r]
1688 ilxTyTriple l m r = ilxTyParams [l,m,r]
1689 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1690 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1691 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1692 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1694 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1695 ilxTyParams [] env = empty
1696 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1698 ilxTyParamsAux [] env = empty
1699 ilxTyParamsAux [h] env = h env
1700 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1701 ilxTyParams [] env = empty
1704 type IlxOpFrag = IlxEnv -> SDoc
1705 ilxOp :: String -> IlxOpFrag
1706 ilxOp s env = text s
1707 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1708 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1710 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1711 ilxParams l env = parens (ilxParamsAux l env)
1713 ilxParamsAux [] env = empty
1714 ilxParamsAux [h] env = h env
1715 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1718 ilxMethodRef rty cls nm tyargs args =
1719 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1720 ilxTyParams tyargs,ilxParams args]
1722 ilxCall m = ilxOpSeq [ilxOp "call", m]
1724 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1725 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1727 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1729 ilxMkBool :: IlxOpFrag
1730 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1731 ilxOp "PrelBase_Bool",
1732 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1733 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1734 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1735 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1736 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1737 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1738 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1739 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1740 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1741 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1742 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1744 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1745 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1747 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1750 CharGtOp -> simp_op ilxCgt
1751 CharGeOp -> simp_op ilxCge
1752 CharEqOp -> simp_op ilxCeq
1753 CharNeOp -> simp_op ilxCne
1754 CharLtOp -> simp_op ilxClt
1755 CharLeOp -> simp_op ilxCle
1757 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1758 ChrOp -> simp_op (ilxOp "conv.u4")
1760 IntGtOp -> simp_op ilxCgt
1761 IntGeOp -> simp_op ilxCge
1762 IntEqOp -> simp_op ilxCeq
1763 IntNeOp -> simp_op ilxCne
1764 IntLtOp -> simp_op ilxClt
1765 IntLeOp -> simp_op ilxCle
1767 IntToInt8Op -> simp_op (ilxOp"conv.i1")
1768 IntToInt16Op -> simp_op (ilxOp "conv.i2")
1769 IntToInt32Op -> simp_op (ilxOp "conv.i4")
1770 WordToWord8Op -> simp_op (ilxOp "conv.u1")
1771 WordToWord16Op -> simp_op (ilxOp "conv.u2")
1772 WordToWord32Op -> simp_op (ilxOp "conv.u4")
1774 WordGtOp -> simp_op ilxCgtUn
1775 WordGeOp -> simp_op ilxCgeUn
1776 WordEqOp -> simp_op ilxCeq
1777 WordNeOp -> simp_op ilxCne
1778 WordLtOp -> simp_op ilxCltUn
1779 WordLeOp -> simp_op ilxCleUn
1781 AddrGtOp -> simp_op ilxCgt
1782 AddrGeOp -> simp_op ilxCge
1783 AddrEqOp -> simp_op ilxCeq
1784 AddrNeOp -> simp_op ilxCne
1785 AddrLtOp -> simp_op ilxClt
1786 AddrLeOp -> simp_op ilxCle
1788 FloatGtOp -> simp_op ilxCgt
1789 FloatGeOp -> simp_op ilxCge
1790 FloatEqOp -> simp_op ilxCeq
1791 FloatNeOp -> simp_op ilxCne
1792 FloatLtOp -> simp_op ilxClt
1793 FloatLeOp -> simp_op ilxCle
1795 DoubleGtOp -> simp_op ilxCgt
1796 DoubleGeOp -> simp_op ilxCge
1797 DoubleEqOp -> simp_op ilxCeq
1798 DoubleNeOp -> simp_op ilxCne
1799 DoubleLtOp -> simp_op ilxClt
1800 DoubleLeOp -> simp_op ilxCle
1802 -- Int#-related ops:
1803 IntAddOp -> simp_op (ilxOp "add")
1804 IntSubOp -> simp_op (ilxOp "sub")
1805 IntMulOp -> simp_op (ilxOp "mul")
1806 IntQuotOp -> simp_op (ilxOp "div")
1807 IntNegOp -> simp_op (ilxOp "neg")
1808 IntRemOp -> simp_op (ilxOp "rem")
1810 -- Word#-related ops:
1811 WordAddOp -> simp_op (ilxOp "add")
1812 WordSubOp -> simp_op (ilxOp "sub")
1813 WordMulOp -> simp_op (ilxOp "mul")
1814 WordQuotOp -> simp_op (ilxOp "div")
1815 WordRemOp -> simp_op (ilxOp "rem")
1817 Addr2IntOp -> simp_op (ilxOp "conv.i4") -- Addresses are very dodgy for ILX. They are used for both C-strings and
1818 Int2AddrOp -> simp_op (ilxOp "conv.i") -- the FFI. This needs more work.
1819 ISllOp -> simp_op (ilxOp "shl")
1820 ISraOp -> simp_op (ilxOp "shr")
1821 ISrlOp -> simp_op (ilxOp "shr.un")
1822 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1823 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1824 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1825 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1828 -- Word#-related ops:
1829 AndOp -> simp_op (ilxOp "and")
1830 OrOp -> simp_op (ilxOp "or")
1831 NotOp -> simp_op (ilxOp "not")
1832 XorOp -> simp_op (ilxOp "xor")
1833 SllOp -> simp_op (ilxOp "shl")
1834 SrlOp -> simp_op (ilxOp "shr")
1835 Word2IntOp -> simp_op (ilxOp "conv.i4")
1836 Int2WordOp -> simp_op (ilxOp "conv.u4")
1838 -- Float#-related ops:
1839 FloatAddOp -> simp_op (ilxOp "add")
1840 FloatSubOp -> simp_op (ilxOp "sub")
1841 FloatMulOp -> simp_op (ilxOp "mul")
1842 FloatDivOp -> simp_op (ilxOp "div")
1843 FloatNegOp -> simp_op (ilxOp "neg")
1844 Float2IntOp -> simp_op (ilxOp "conv.i4")
1845 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1847 DoubleAddOp -> simp_op (ilxOp "add")
1848 DoubleSubOp -> simp_op (ilxOp "sub")
1849 DoubleMulOp -> simp_op (ilxOp "mul")
1850 DoubleDivOp -> simp_op (ilxOp "div")
1851 DoubleNegOp -> simp_op (ilxOp "neg")
1852 Double2IntOp -> simp_op (ilxOp "conv.i4")
1853 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1854 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1855 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1856 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1857 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1859 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1860 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1861 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1862 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1863 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1864 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1865 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1866 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1867 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1868 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1869 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1870 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1871 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1873 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1874 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1875 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1877 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1878 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1879 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1881 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1882 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1883 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1885 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1886 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1887 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1889 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1891 -- Integer (and related...) ops: bail out to support routines
1892 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1893 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1894 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1895 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1896 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1897 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1898 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1899 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1900 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1901 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1902 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1903 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1904 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1905 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1906 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1907 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1908 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1909 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1910 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1911 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1912 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1913 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1914 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1915 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1919 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1920 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1921 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1922 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1923 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1924 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1925 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1926 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1927 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1928 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1929 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1930 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1931 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1932 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1933 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1934 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1936 {- should be monadic??? -}
1937 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1938 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1939 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1940 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1941 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1942 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1943 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1944 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1945 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1946 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1947 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1948 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1949 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1950 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1951 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1952 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1953 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1954 {- ByteArr# -> Int# -> Char# -}
1957 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1958 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1959 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1960 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1961 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1962 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1963 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1964 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1965 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1966 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1967 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
1968 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
1969 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
1970 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
1971 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
1972 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
1973 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
1975 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1976 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1977 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1978 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1979 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1980 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1981 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1982 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1983 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1984 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1985 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1986 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1987 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1988 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1989 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1990 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
1992 -- ForeignObj: load the address inside the object first
1993 -- TODO: is this remotely right?
1994 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1995 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
1996 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1997 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1998 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
1999 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
2000 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
2001 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
2002 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
2003 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
2004 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2005 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
2006 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2007 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
2008 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2009 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
2011 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2012 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2013 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2014 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2015 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2016 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2017 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2018 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2019 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2020 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2021 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2022 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2023 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2024 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2025 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2026 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2027 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2029 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2030 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2031 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2032 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2033 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2034 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2035 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2036 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"])
2037 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2038 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2039 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2040 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2041 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2042 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2043 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2044 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2045 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2046 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2048 {- should be monadic??? -}
2049 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2050 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2051 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2052 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2053 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2054 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2055 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2056 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2057 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2058 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2060 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2061 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2062 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2063 {- ByteArr# -> Int# -}
2065 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2066 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2067 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2068 {- MutByteArr# s -> Int# -}
2070 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2071 {- MutVar# s a -> MutVar# s a -> Bool -}
2072 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2073 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2074 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2075 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2076 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2077 {- MutVar# s a -> a -> State# s -> State# s -}
2079 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethA])
2080 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2081 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2082 {- Array# a -> Int# -> (# a #) -}
2083 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2084 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2085 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2086 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2087 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2088 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2089 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2090 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2092 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2093 {- MutArr# s a -> MutArr# s a -> Bool -}
2096 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2097 CatchOp -> ty2_op (\ty1 ty2 ->
2098 ilxCallSuppMeth ilxMethA "'catch'" [ty1,ty2] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>", ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2099 {- (State# RealWorld -> (# State# RealWorld, a #) )
2100 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2102 -> (# State# RealWorld, a #)
2105 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2106 ilxCallSuppMeth ilxMethA "blockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2108 {- (State# RealWorld -> (# State# RealWorld, a #))
2109 -> (State# RealWorld -> (# State# RealWorld, a #))
2112 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2113 ilxCallSuppMeth ilxMethA "unblockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2116 State# RealWorld -> (# State# RealWorld, a #))
2117 -> (State# RealWorld -> (# State# RealWorld, a #))
2120 NewMVarOp -> ty2_op (\sty ty ->
2121 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2122 {- State# s -> (# State# s, MVar# s a #) -}
2124 TakeMVarOp -> ty2_op (\sty ty ->
2125 ilxCallSuppMeth ilxMethA "takeMVar" [ty] [repMVar ilxMethA])
2126 {- MVar# s a -> State# s -> (# State# s, a #) -}
2128 -- These aren't yet right
2129 TryTakeMVarOp -> ty2_op (\sty ty ->
2130 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA])
2131 {- MVar# s a -> State# s -> (# State# s, a #) -}
2133 TryPutMVarOp -> ty2_op (\sty ty ->
2134 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethA,ilxMethA])
2135 {- MVar# s a -> State# s -> (# State# s, a #) -}
2137 PutMVarOp -> ty2_op (\sty ty ->
2138 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethA, ilxMethA])
2139 {- MVar# s a -> a -> State# s -> State# s -}
2141 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2142 {- MVar# s a -> MVar# s a -> Bool -}
2144 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2145 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA]))
2146 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2148 IsEmptyMVarOp -> ty2_op (\sty ty ->
2149 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethA])
2150 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2152 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2155 DataToTagOp -> ty1_op (\ty1 ->
2156 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethA])
2159 TagToEnumOp -> ty1_op (\ty1 ->
2160 ilxCallSuppMeth ilxMethA "tagToEnum" [ty1] [repInt])
2163 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2164 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2165 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2166 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2168 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2169 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2170 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2171 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2173 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2174 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2176 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2177 {- StablePtr# a -> StablePtr# a -> Int# -}
2179 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethB) classWeak "bake" [ilxLift ty1,ilxLift ty2,ty3] [ilxMethA, ilxMethB, ilxLift (ilxOp "!!2")]))
2180 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2182 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethA) classWeak "deref" [ty1] [repWeak ilxMethA]))
2183 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxOp "thunk<(func ( /* unit skipped */ ) --> class '()')>")) classWeak "finalizer" [ty1] [repWeak ilxMethA]))
2184 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2185 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2187 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2188 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2189 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2190 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2191 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2192 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2193 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2194 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2196 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2197 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2198 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2199 {- Int# -> State# s -> State# s -}
2201 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2202 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2203 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2204 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2205 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2206 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2207 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2208 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2209 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2210 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2211 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2213 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2214 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2215 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2218 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2219 ty1_op op ((StgTypeArg ty1):rest) =
2220 ilxOpSeq [getArgsStartingAt 1 rest,
2221 op (ilxTypeR2 (deepIlxRepType ty1))]
2223 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2224 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2225 ilxOpSeq [getArgsStartingAt 2 rest,
2226 op (ilxTypeR2 (deepIlxRepType ty1))
2227 (ilxTypeR2 (deepIlxRepType ty2))]
2229 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2230 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2231 ilxOpSeq [getArgsStartingAt 3 rest,
2232 op (ilxTypeR2 (deepIlxRepType ty1))
2233 (ilxTypeR2 (deepIlxRepType ty2))
2234 (ilxTypeR2 (deepIlxRepType ty3))]
2236 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2237 arg2_op op [a1, a2] =
2241 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2242 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2243 op (ilxTypeR2 (deepIlxRepType ty1))
2247 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2248 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2249 op (ilxTypeR2 (deepIlxRepType ty1))
2255 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2256 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2257 op (ilxTypeR2 (deepIlxRepType ty1))
2258 (ilxTypeR2 (deepIlxRepType ty2))
2266 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2267 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2269 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2270 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2271 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2274 %************************************************************************
2276 \subsection{C Calls}
2278 %************************************************************************
2281 -- Call the P/Invoke stub wrapper generated in the import section.
2282 -- We eliminate voids in and around an IL C Call.
2283 -- We also do some type-directed translation for pinning Haskell-managed blobs
2284 -- of data as we throw them across the boundary.
2285 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc)) args ret_ty
2286 = ilxComment (text "C call <+> pprCLabelString c") <+>
2287 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2288 text "call" <+> retdoc <+> pprCLabelString c <+> pprTypeArgs ilxTypeR env ty_args
2289 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2291 retdoc | isVoidIlxRepType ret_ty = text "void"
2292 | otherwis = ilxTypeR env (deepIlxRepType ret_ty)
2293 (ty_args,tm_args) = splitTyArgs1 args
2295 ilxFCall env (CCall (DotNetCallSpec call_instr)) args ret_ty
2296 = ilxComment (text "IL call") <+>
2297 vcat [vcat (ilxMapPlaceArgs 0 pushILArg env tm_args),
2299 -- In due course we'll need to pass the type arguments
2300 -- and to do that we'll need to have more than just a string
2304 (ty_args,tm_args) = splitTyArgs1 args
2306 pushILArg env arg | isUnliftedType (stgArgType arg) = pushArg env arg
2307 | otherwise = pushArg env arg <+> error "call ilxFunAppArgs"
2309 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2310 hasTyCon _ _ = False
2312 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2313 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2315 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2316 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2318 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2320 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2321 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2322 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2323 pushCArg env arg | otherwise = pushArg env arg
2325 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2326 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2327 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2328 pprCValArgTy f env ty | otherwise = f env ty
2331 foldR :: (a -> b -> b) -> [a] -> b -> b
2333 -- foldR f (x:xs) z = f x (foldR f xs z)
2334 {-# INLINE foldR #-}
2335 foldR k xs z = go xs
2338 go (y:ys) = y `k` go ys