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(..), CCallTarget(..),CCall(..) )
27 import TysWiredIn ( mkTupleTy, tupleCon )
28 import PrimRep ( PrimRep(..) )
29 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
30 import Subst ( substTy, mkTyVarSubst )
32 import Module ( Module, PackageName, ModuleName, moduleName,
33 modulePackage, preludePackage,
34 isHomeModule, isVanillaModule,
35 pprModuleName, mkHomeModule, mkModuleName
39 import BasicTypes ( Boxity(..) )
40 import CStrings ( CLabelString, pprCLabelString )
41 import CallConv ( CallConv )
44 import List ( partition, elem, insertBy,any )
46 import {-# SOURCE #-} PprType( pprType ) -- Only called in debug messages
48 import TysPrim ( byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
50 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
51 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
52 -- names when this is set (because that's clue that -O was set).
53 -- One day this will be configured by the command line.
54 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
60 %************************************************************************
62 \subsection{Main driver}
64 %************************************************************************
67 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
68 -- The TyCons should include those arising from classes
69 ilxGen mod tycons binds_w_srts
70 = vcat [vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
71 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
72 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
73 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
74 vcat (map (ilxTyCon topenv) data_tycons),
75 vcat (map (ilxBindClosures topenv) binds),
76 ilxTopBind mod topenv toppairs
79 binds = map fst binds_w_srts
80 toppairs = ilxPairs binds
81 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
82 -- Generate info from class decls as well
83 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
84 data_tycons = filter isDataTyCon tycons
87 %************************************************************************
89 \subsection{Find Imports}
91 %************************************************************************
95 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo-> ImportsInfo
96 importsBinds env binds = foldR (importsBind env) binds
98 importsNone :: ImportsInfo -> ImportsInfo
99 importsNone sofar = sofar
101 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
102 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
103 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
105 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
106 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
107 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
109 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
110 importsExpr env (StgLit _) = importsNone
111 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
112 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
113 importsExpr env (StgPrimApp (CCallOp (CCall (StaticTarget c) _ _ cc)) args rty)
114 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
116 (ty_args,tm_args) = splitTyArgs1 args
118 importsExpr env (StgPrimApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
121 importsExpr env (StgSCC _ expr) = importsExpr env expr
122 importsExpr env (StgCase scrut _ _ bndr _ alts)
123 = importsExpr env scrut. imports_alts alts. importsVar env bndr
125 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
126 -- by the case-binder's type
127 = foldR imports_alg_alt alg_alts . imports_deflt deflt
129 imports_alg_alt (con, bndrs, _, rhs)
130 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
132 imports_alts (StgPrimAlts _ alg_alts deflt)
133 = foldR imports_prim_alt alg_alts . imports_deflt deflt
135 imports_prim_alt (_, rhs) = importsExpr env rhs
136 imports_deflt StgNoDefault = importsNone
137 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
140 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
141 importsExpr env (StgLet bind body)
142 = importsBind env bind . importsExpr env body
144 importsApp env v args = importsVar env v. importsStgArgs env args
145 importsStgArgs env args = foldR (importsStgArg env) args
147 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
148 importsStgArg env (StgTypeArg ty) = importsType env ty
149 importsStgArg env (StgVarArg v) = importsVar env v
150 importsStgArg env _ = importsNone
152 importsVars env vs = foldR (importsVar env) vs
153 importsVar env v = importsName env (idName v). importsType env (idType v)
156 | isLocalName n = importsNone
157 | ilxEnvModule env == nameModule n = importsNone
158 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
160 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
161 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
163 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
166 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
167 importsType env ty = importsType2 env (deepIlxRepType ty)
169 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
170 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
171 importsType2 env (TyVarTy _) = importsNone
172 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
173 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
174 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
175 importsType2 env (NoteTy _ ty) = importsType2 env ty
176 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
177 importsTypeArgs2 env tys = foldR (importsType2 env) tys
179 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
181 importsTyCon env tc | (not (isDataTyCon tc) ||
182 isLocalName (getName tc) ||
183 ilxEnvModule env == nameModule (getName tc)) = importsNone
184 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc
186 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
187 | otherwise = addPackageImpInfo preludePackage
189 type StaticCCallInfo = (CLabelString,CallConv,[Type],Type)
190 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
191 -- (Packages, Modules, Datatypes, Imported CCalls)
193 emptyImpInfo :: ImportsInfo
194 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
195 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
196 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
197 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
198 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
200 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
201 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
202 ilxImportTyCon _ _ | otherwise = empty
204 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
205 ilxImportPackage _ p = text ".assembly extern ilx" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
207 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
208 ilxImportModule _ m = text ".module extern ilx" <+> singleQuotes (ppr m <> hscOptionQual <> text ".dll")
210 -- Emit a P/Invoke declaration for the imported C function
211 -- TODO: emit the right DLL name
212 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
213 ilxImportCCall env (c,cc,args,ret) =
214 text ".method static private pinvokeimpl" <+>
215 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
216 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
217 text "native managed { }"
220 if isVoidIlxRepType ret then text "void"
221 else ilxTypeR env (deepIlxRepType ret)
226 %************************************************************************
228 \subsection{Type declarations}
230 %************************************************************************
235 ilxTyCon :: IlxEnv -> TyCon -> SDoc
236 ilxTyCon env tycon = ilxTyConDef False env tycon
238 -- filter to get only dataTyCons?
239 ilxTyConDef importing env tycon =
241 text ".classunion" <+> (if importing then text "extern" else empty) <+> text "thunk"
242 <+> ((nameReference env (getName tycon)) <> (ppr tycon)) <+> tyvars_text <+> alts_text]
244 tyvars = tyConTyVars tycon
245 (ilx_tvs, _) = categorizeTyVars tyvars
246 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
247 tyvars_text = pprTyVarBinders alts_env ilx_tvs
248 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
249 alts_text = nest 2 (braces alts)
251 pprIlxDataCon env dcon =
252 text ".alternative" <+> pprId dcon <+>
253 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
257 %************************************************************************
259 \subsection{Getting the .closures and literals out} *
260 %************************************************************************
264 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
265 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
266 ilxBindClosures env (StgRec _ pairs)
267 = vcat (map (ilxRhsClosures new_env) pairs)
269 new_env = extendIlxEnvWithBinds env pairs
272 ilxRhsClosures _ (_, StgRhsCon _ _ _)
275 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
276 = vcat [ilxExprClosures next_env rhs,
279 kind_text <+> singleQuotes cloname <+> free_vs_text,
282 vcat [text ".apply" <+> closure_sig_text,
290 kind_of_thing = case upd of
291 Updatable -> ASSERT( null args ) ".thunk"
292 otherwise -> ".closure"
293 kind_text = text kind_of_thing
295 cloname = ilxEnvQualifyByModule env (ppr bndr)
296 next_env = ilxPlaceStgRhsClosure env bndr
297 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
304 otherwise -> args_text),
305 text "-->" <+> rty_text]
307 (args_text,env_with_args) = pprArgBinders env_with_fvs args
309 -- Find the type returned, from the no. of args and the type of "bndr"
311 case retType env_with_fvs (idIlxRepType bndr) args of
313 if isVoidIlxRepType ty then (text "void")
315 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))
317 -- strip off leading ForAll and Fun type constructions
318 -- up to the given number of arguments, extending the environment as
320 retType env ty [] = Just (env, ty)
321 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
322 retType env (FunTy l r) (arg:args) = retType env r args
323 retType _ _ _ = Nothing
325 -- Code for the local variables
326 locals = ilxExprLocals env_with_args rhs
328 env_with_locals = extendIlxEnvWithLocals env_with_args locals
330 -- Code for the body of the main apply method
331 body_code = vcat [empty,
332 pprIlxLocals env_with_args locals,
333 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
337 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
340 pprIlxLocals env [] = empty
342 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
344 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
345 nonVoidLocal _ = True
347 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
348 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
351 pprFreeBinders env fvs
352 = (ilx_tvs_text <+> vs_text, env2)
354 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
355 real_free_vs = filter (not . isVoidIlxRepId) free_vs
356 -- ignore the higher order type parameters for the moment
357 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
358 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
359 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
360 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
361 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
363 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
365 -- Declarations for the arguments of the main apply method
366 pprArgBinders env [] = (empty,env)
367 pprArgBinders env (arg:args)
368 = (arg_text <+> rest_text, res_env)
370 (arg_text,env') = pprArgBinder env arg
371 (rest_text,res_env) = pprArgBinders env' args
373 -- We could probably omit some void argument binders, but
376 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
378 = if isTyVar arg then
379 let env' = extendIlxEnvWithTyArgs env [arg] in
380 (pprTyVarBinder env' arg, env')
381 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
384 -- Compute local variables used by generated method.
385 -- The names of some generated locals are recorded as SDocs.
387 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
389 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
390 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
391 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
392 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
393 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
394 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
395 ilxAltsLocals env alts
396 ilxExprLocals env (StgPrimApp (CCallOp (CCall (StaticTarget _)_ _ _)) args _)
397 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
398 ilxExprLocals _ _ = []
400 -- Generate locals to use for pinning arguments as we cross the boundary
402 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
403 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
404 ilxCCallArgLocals _ _ | otherwise = []
406 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
407 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
409 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
410 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
412 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
413 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
415 ilxDefltLocals _ StgNoDefault = []
416 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
419 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
420 ilxExprClosures env (StgApp _ args)
421 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
422 ilxExprClosures env (StgConApp _ args)
423 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
424 ilxExprClosures env (StgPrimApp _ args _)
425 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
426 ilxExprClosures env (StgLet bind body)
427 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
428 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
429 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
430 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
431 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
432 ilxExprClosures env (StgLit lit)
437 ilxAltsClosures env (StgAlgAlts _ alts deflt)
438 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
440 ilxDefltClosures env deflt
442 ilxAltsClosures env (StgPrimAlts _ alts deflt)
443 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
445 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
447 ilxDefltClosures env deflt
449 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
450 ilxDefltClosures _ StgNoDefault = empty
452 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
453 ilxArgClosures _ _ = empty
457 ilxGenLit env (MachStr fs)
458 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
459 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
462 nm = ilxEnvQualifyByExact env (text "string")
464 ilxGenLit _ _ = empty
469 %************************************************************************
471 \subsection{Generating code}
473 %************************************************************************
478 -- Environment when generating expressions
479 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
481 data Sequel = Return | Jump IlxLabel
483 ilxSequel Return = text "ret"
484 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
486 isReturn Return = True
487 isReturn (Jump _) = False
490 ilxExpr :: IlxEEnv -> StgExpr
491 -> Sequel -- What to do at the end
494 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
495 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
497 -- ilxExpr eenv (StgLit lit) sequel
498 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
499 = pushLit env lit $$ ilxSequel sequel
501 -- ilxExpr eenv (StgConApp data_con args) sequel
502 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
503 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
505 -- ilxExpr eenv (StgPrimApp primop args _) sequel
506 ilxExpr (IlxEEnv env _) (StgPrimApp primop args ret_ty) sequel
507 = ilxPrimApp env primop args ret_ty $$ ilxSequel sequel
510 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
511 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
512 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
513 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
514 = ilxExpr eenv rhs sequel
515 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
516 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
517 = ilxExpr eenv rhs sequel
520 ilxExpr eenv (StgLet bind body) sequel
521 = ilxBind eenv bind $$ ilxExpr eenv body sequel
524 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
525 = ilxBind eenv bind $$ ilxExpr eenv body sequel
527 -- StgCase: Special case 1 to avoid spurious branch.
528 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
529 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
530 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
531 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
532 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
533 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
536 -- StgCase: Special case 2 to avoid spurious branch.
537 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgPrimApp primop args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
538 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
539 ilxPrimApp (ilxPlaceStgCaseScrut env) primop args ret_ty,
540 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
541 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
542 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
545 -- StgCase: Normal case.
546 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
547 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
548 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
550 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
551 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
552 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
555 join_lbl = mkJoinLabel bndr
558 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
561 -- Wipe out locals and arguments that are no longer in use, to
562 -- prevent space leaks. If the VM is implemented 100% correctly then
563 -- this should probably not be needed, as the live variable analysis
564 -- in the JIT would tell the GC that these locals and arguments are
565 -- no longer live. However I'm putting it in here so we can
566 -- check out if it helps.
568 -- Also, in any case this doesn't capture everything we need. e.g.
569 -- when making a call:
571 -- where x is not used in the alternatives, then the variable x
572 -- is no longer live from the point it is transferred to the call
573 -- onwards. We should expunge "live_in_case - live_in_alts" right
574 -- before making the call, not after returning from the call....
576 -- Strictly speaking we also don't need to do this for primitive
577 -- values such as integers and addresses, i.e. things not
578 -- mapped down to GC'able objects.
580 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
583 = case lookupIlxVarEnv env id of
584 Just Local -> text "ldloca " <+> pprId id <+> text "initobj" <+> (ilxTypeL env (idIlxRepType id))
585 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
586 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
587 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
591 ----------------------
593 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
594 ilxAlts (IlxEEnv env live) bndr alts sequel
595 -- At the join label, the result is on top
597 = vcat [store_in_bndr,
598 do_case_analysis alts
601 scrut_rep_ty = deepIlxRepType (idType bndr)
603 store_in_bndr | isDeadBinder bndr = empty
604 | isVoidIlxRepId bndr
605 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
606 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
608 do_case_analysis (StgAlgAlts _ [] deflt)
611 do_case_analysis (StgAlgAlts _ args deflt)
612 = do_alg_alts ([1..] `zip` args) deflt
614 do_case_analysis (StgPrimAlts _ alts deflt)
615 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
617 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
618 -- Collapse the analysis of unboxed tuples where
619 -- some or all elements are zero-sized
621 -- TO DO: add bndrs to set of live variables
623 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
624 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
626 bndrs' = filter (not. isVoidIlxRepId) bndrs
627 -- Replacement unboxed tuple type constructor, used if any of the
628 -- arguments have zero-size and more than one remains.
629 dcon' = tupleCon Unboxed (length bndrs')
631 alt_env = IlxEEnv (ilxPlaceAlt env i) live
632 --alt_env = IlxEEnv (ilxPlaceAlt env i)
634 bind_collapse [] _ = panic "bind_collapse: unary element not found"
635 bind_collapse (h:t) (is_used:used_flags)
636 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
637 | not is_used = ilxComment (text "not used") <+> text "pop"
638 | otherwise = text "stloc" <+> pprId h
641 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
642 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
643 ilxConRef env data_con],
644 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
647 do_alg_alts alts deflt
648 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
649 pprSepWithCommas pp_case labels_w_alts],
651 vcat (map do_labelled_alg_alt labels_w_alts)
654 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
655 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
657 do_prim_alts [] = empty
658 do_prim_alts ((i, (lit,alt)) : alts)
659 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
660 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
661 ilxLabel lbl, do_prim_alts alts]
663 lbl = mkAltLabel bndr i
665 do_labelled_alg_alt (i,(lbl, alt))
666 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
668 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
669 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
673 bind_components alt_eenv data_con [] n _ = empty
674 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
676 -- don't increase the count in this case
677 = ilxComment (text "zero-rep binding eliminated")
678 <+> bind_components alt_eenv data_con t n used_flags
680 = bind_component alt_eenv data_con h is_used n
681 <+> bind_components alt_eenv data_con t (n + 1) used_flags
683 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
685 = ilxComment (text "not used")
686 | isVoidIlxRepId bndr
687 = ilxComment (text "ignoring bind of zero-rep variable")
688 | otherwise = vcat [text "dup",
689 ld_data alt_env data_con reduced_fld_no bndr,
690 text "stloc" <+> pprId bndr]
692 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
693 do_deflt StgNoDefault = empty
696 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
697 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
699 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
701 ld_data alt_env data_con reduced_fld_no bndr
702 | isUnboxedTupleCon data_con
703 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
704 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
706 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
707 ilxConRef env data_con <> comma,
708 integer reduced_fld_no]
711 -------------------------
717 -- Constants of unlifted types are represented as
718 -- applications to no arguments.
719 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
722 ilxFunApp env fun args tail_call
724 -- ldloc f function of type forall a. a->a
725 -- ldloc x arg of type Int
726 -- .tail callfunc <Int32> (!0) --> !0
728 vcat [pushId env fun,ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
731 case lookupIlxBindEnv env fun of
732 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
733 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
734 _ -> trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun))) Nothing
736 -- Push as many arguments as ILX allows us to in one go.
737 -- Recurse until we're done.
738 ilxFunAppArgs env num_sofar funty args tail_call known_clo
739 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
740 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
750 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
753 | isVoidIlxRepType later_ty = text "void"
754 | otherwise = ilxTypeR env_after_now_tyvs later_ty
756 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
758 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
759 _ -> get_term_args 0 ilxBestTermArity args env funty
761 -- Only apply up to maxArity real (non-type) arguments
762 -- at a time. ILX should, in principle, allow us to apply
763 -- arbitrary numbers, but you will get more succinct
764 -- (and perhaps more efficient) IL code
765 -- if you apply in clumps according to its maxArity setting.
766 -- This is because it has to unwind the stack and store it away
767 -- in local variables to do the partial applications.
769 -- Similarly, ILX only allows one type application at a time, at
770 -- least until we implement unwinding the stack for this case.
772 -- NB: In the future we may have to be more careful
773 -- all the way through
774 -- this file to bind type variables as we move through
775 -- type abstractions and "forall" types. This would apply
776 -- especially if the type variables were ever bound by expressions
777 -- involving the type variables.
779 -- This part strips off at most "max" term applications or one type application
780 get_type_args 0 args env funty = ([],[],env,args,funty)
781 get_type_args max args env (NoteTy _ ty) =
782 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
783 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
784 = if isIlxTyVar tv then
785 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
786 let rest_ty = deepIlxRepType (substTy (mkTyVarSubst [tv] [v]) rem_funty) in
787 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
788 let arg_ty = mkTyVarTy tv in
789 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
791 get_type_args max rest env rem_funty -- ? subst??
792 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
793 get_type_args _ args env funty = ([],[],env,args,funty)
795 get_term_args n max args env (NoteTy _ ty)
797 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
798 get_term_args n 0 args env funty
799 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
800 = ([],[],env,args,funty)
801 get_term_args n max args env funty
803 Just (_,_,needed,_) -> (length needed == n)
805 -- Stop if we have the optimal number for a direct call
806 = ([],[],env,args,funty)
807 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
808 -- Stop if we hit a type arg.
809 = ([],[],env,args,funty)
810 get_term_args n max (h:t) env (FunTy dom ran)
812 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
813 (h:now, (h,dom):now_tys,env2,later,later_ty)
814 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)
815 get_term_args _ max args env funty = ([],[],env,args,funty)
817 -- Are there any remaining arguments?
818 done = case later_args of
822 -- If so, generate the subsequent calls.
823 later = if done then text "// done"
824 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
826 -- Work out whether to issue a direct call a known closure (callclo) or
827 -- an indirect call (callfunc). Basically, see if the identifier has
828 -- been let-bound, and then check we are applying exactly the right
829 -- number of arguments. Also check that it's not a thunk (actually, this
830 -- is done up above).
832 -- The nasty "all" check makes sure that
833 -- the set of type variables in scope at the callsite is a superset
834 -- of the set of type variables needed for the direct call. This is
835 -- is needed because not all of the type variables captured by a
836 -- let-bound binding will get propogated down to the callsite, and
837 -- the ILX system of polymorphism demands that the free type variables
838 -- get reapplied when we issue the direct "callclo". The
839 -- type variables are in reality also "bound up" in the closure that is
840 -- passed as the first argument, so when we do an indirect call
841 -- to that closure we're fine, which is why we don't need them in
842 -- the "callfunc" case.
845 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
846 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
847 vcat [text "callclo class",
848 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
849 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
852 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
853 otherwise -> text "callfunc"
855 if (tail_call && done) then text "tail." <+> basic_call_instr
856 else basic_call_instr
859 --------------------------
860 -- Print the arg info at the call site
861 -- For type args we are, at the moment, required to
862 -- give both the actual and the formal (bound). The formal
863 -- bound is always System.Object at the moment (bounds are
864 -- not properly implemented in ILXASM in any case, and nor do
865 -- we plan on making use og them) For
866 -- non-type args the actuals are on the stack, and we just give the
868 pprIlxArgInfo env (StgTypeArg arg,ty) =
869 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
870 pprIlxArgInfo env (_,ty) =
871 parens (ilxTypeL env ty)
874 ----------------------------
875 -- Code for a binding
876 ilxBind :: IlxEEnv -> StgBinding -> SDoc
877 ilxBind eenv@(IlxEEnv env _) bind =
878 vcat [vcat (map (ilxRhs env rec) pairs),
879 vcat (map (ilxFixupRec env rec) pairs)]
881 rec = ilxRecIds1 bind
882 pairs = ilxPairs1 bind
885 ----------------------------
886 -- Allocate a closure or constructor. Fix up recursive definitions.
887 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
889 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
892 ilxRhs env rec (bndr, StgRhsCon _ con args)
893 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
894 text "stloc" <+> pprId bndr
897 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
898 = -- Assume .closure v<any A>(int64,!A) {
899 -- .apply <any B> (int32) (B) { ... }
902 -- let v = \B (x:int32) (y:B). ...
904 -- newclo v<int32>(int64,!0)
906 vcat [vcat (map pushFv free_vs),
907 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
908 text "newclo" <+> clotext,
909 text "stloc" <+> pprId bndr
912 pushFv id = if elem id rec then text "ldnull" else pushId env id
913 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
914 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
916 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
918 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
919 = text "// no recursive fixup"
921 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
922 = vcat [vcat (map fixFv rec)]
924 fixFv recid = if elem recid fvs then
925 vcat [pushId env bndr,
927 text "stclofld" <+> clotext <> text "," <+> pprId recid]
928 else text "//no fixup needed for" <+> pprId recid
929 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
930 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
934 ---------------------------------------------
935 -- Code for a top-level binding in a module
936 ilxPairs binds = concat (map ilxPairs1 binds)
938 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
939 ilxPairs1 (StgRec _ pairs) = pairs
941 ilxRecIds1 (StgNonRec _ bndr rhs) = []
942 ilxRecIds1 (StgRec _ pairs) = map fst pairs
944 ---------------------------------------------
945 -- Code for a top-level binding in a module
946 -- TODO: fix up recursions amongst CAF's
951 -- For the moment I've put in a completely spurious "reverse"...
953 -- Consider: make fixing up of CAF's part of ILX? i.e.
954 -- put static, constant, allocated datastructures into ILX.
956 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
957 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
958 stableSortBy f [] = []
960 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
961 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
962 usedBy (m,_) (n,_) | m == n = EQ
963 usedBy (m,_) (_,_) = GT
965 isArg m (StgVarArg n) = (n == m)
969 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
970 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
971 --ilxTopRhs env (bndr,rhs)
972 ilxTopBind mod env pairs =
973 vcat [text ".class" <+> pprId mod,
974 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
976 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
978 (nest 2 (vcat [text ".maxstack 100",
979 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
980 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
981 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
984 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
986 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
989 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
990 = vcat [vcat (map (pushId env) free_vs),
991 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
992 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
993 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
996 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
997 bndTy = idIlxRepType bndr
999 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1000 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1001 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1004 bndTy = idIlxRepType bndr
1006 pprFieldRef env (mod,ty,id)
1007 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1009 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1010 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1012 bndTy = idIlxRepType bndr
1013 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1014 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1016 bndTy = idIlxRepType bndr
1018 --------------------------------------
1020 pushArgWithVoids = pushArg_aux True
1021 pushArg = pushArg_aux False
1023 pushArg_aux voids env (StgTypeArg ty) = empty
1024 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1025 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1028 mapi f l = mapi_aux f l 0
1030 mapi_aux f [] n = []
1031 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1033 --------------------------------------
1035 pushId = pushId_aux False
1037 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1038 pushId_aux voids _ id | isVoidIlxRepId id =
1039 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1040 pushId_aux _ env var
1041 = case lookupIlxVarEnv env var of
1042 Just Arg -> text "ldarg" <+> pprId var
1043 Just (CloVar n) -> text "ldenv" <+> int n
1044 Just Local -> text "ldloc" <+> pprId var
1046 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1047 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1048 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1051 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1052 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1053 <+> pprIlxTopVar env var]
1055 --------------------------------------
1057 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1058 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1059 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1060 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1061 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1062 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1063 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1064 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1065 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1066 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1070 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1071 | otherwise = pprId (nameOccName n)
1078 %************************************************************************
1080 \subsection{Printing types}
1082 %************************************************************************
1087 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1088 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1089 isVoidIlxRepType (TyConApp tc tys)
1090 = case newTyConRep tc of
1091 Just rep_ty -> isVoidIlxRepType (applyTys rep_ty tys)
1093 isUnboxedTupleTyCon tc &&
1094 null (filter (not. isVoidIlxRepType) tys)
1095 isVoidIlxRepType _ = False
1097 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1101 -- Get rid of all NoteTy and NewTy artifacts
1102 deepIlxRepType :: Type -> Type
1103 deepIlxRepType (FunTy l r)
1104 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1106 deepIlxRepType ty@(TyConApp tc tys)
1107 = case newTyConRep tc of
1109 let res = deepIlxRepType (applyTys rep_ty tys) in
1110 if not (length tys == tyConArity tc ) then
1111 pprTrace "deepIlxRepType" (text "length tys <> tyConArity tc, ty = " <+> pprType ty <+> text ", length tys = " <+> ppr (length tys) <+> text ", tyConArity = " <+> ppr (tyConArity tc)) res
1113 -- The assert should hold because deepIlxRepType should
1114 -- only be applied to *types* (of kind *)
1116 -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1117 if isUnboxedTupleTyCon tc then
1118 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1121 _ -> mkTupleTy Unboxed (length tys') tys'
1123 TyConApp tc (map deepIlxRepType tys)
1124 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1125 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1126 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1127 deepIlxRepType (PredTy p) = deepIlxRepType (predRepTy p)
1128 deepIlxRepType ty@(TyVarTy tv) = ty
1130 idIlxRepType id = deepIlxRepType (idType id)
1132 --------------------------
1133 -- Some primitive type constructors are not thunkable.
1134 -- Everything else needs to be marked thunkable.
1135 ilxTypeL :: IlxEnv -> Type -> SDoc
1137 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1138 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1140 --------------------------
1141 -- Print non-thunkable version of type.
1144 ilxTypeR :: IlxEnv -> Type -> SDoc
1145 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1146 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1147 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))
1148 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1150 -- The following is a special rule for types constructed out of
1151 -- higher kinds, e.g. Monad f or Functor f.
1153 -- The code below is not as general as it should be, but as I
1154 -- have no idea if this approach will even work, I'm going to
1155 -- just try it out on some simple cases arising from the prelude.
1156 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1157 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1158 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1159 = ilxTypeR env (TyConApp tc t)
1160 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1162 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1163 -- is on the left of an arrow
1164 -- We could probably eliminate all but a final occurrence of these.
1165 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1166 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1167 ilxTypeR env (FunTy arg res)
1168 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1170 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1171 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1173 env' = extendIlxEnvWithFormalTyVars env [tv]
1175 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1176 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1177 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1179 ilxTypeR env (NoteTy _ ty)
1180 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1181 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1184 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1186 ilxTyConApp env tc args =
1187 case lookupUFM tyPrimConTable (getUnique tc) of
1188 Just f -> f args env
1190 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1191 env ((nameReference env (getName tc)) <> (ppr tc)) args
1193 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1194 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1196 -- Returns e.g: <Int32, Bool>
1197 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1199 pprTypeArgs_aux f env [] = empty
1200 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1203 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1204 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1205 -- plus a new environment with the type variables added.
1206 pprTyVarBinders env [] = empty
1207 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1209 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1210 pprTyVarBinder env tv =
1211 if isIlxTyVar tv then
1212 angleBrackets (pprTyVarBinder_aux env tv)
1214 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1215 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1216 ilxComment (text "omitted")
1217 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1220 pprTyVarBinder_aux env tv =
1221 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1222 ilxTypeR env (tyVarKind tv)) <+>
1223 (text "class [mscorlib]System.Object")
1225 -- Only a subset of Haskell types can be generalized using the type quantification
1228 ( h == liftedTypeKind) ||
1229 ( h == unliftedTypeKind) ||
1230 ( h == openTypeKind)
1232 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1234 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1236 (tvs, vs) = partition isTyVar fvs
1237 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1239 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1241 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1243 pprId id = singleQuotes (ppr id)
1247 %************************************************************************
1251 %************************************************************************
1254 type IlxTyEnv = [TyVar]
1257 -- Nb. There is currently no distinction between the kinds of type variables.
1258 -- We may need to add this to print out correct numbers, esp. for
1260 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1261 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1262 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1264 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1265 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1267 data HowBound = Top Module -- Bound in a modules
1268 | Arg -- Arguments to the enclosing closure
1269 | CloVar Int -- A free variable of the enclosing closure
1270 -- The int is the index of the field in the
1272 | Local -- Local let binding
1274 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1275 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1276 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1277 type Place = (SDoc,SDoc)
1280 = go 0 (ilxEnvTyEnv env)
1283 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1284 <+> pprSepWithCommas
1285 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1286 (ilxEnvTyEnv env) <+> text "}")
1287 (char '!' <> pprId tv)
1289 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1290 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1293 emptyIlxEnv :: Bool -> Module -> IlxEnv
1294 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1296 nextPlace place sdoc = place <> sdoc
1297 usePlace place sdoc = place <> sdoc
1299 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1300 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1301 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1302 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1303 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1304 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1305 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1307 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1308 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1309 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1311 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1312 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1313 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1314 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1315 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1317 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1318 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1320 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1321 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1323 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1324 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1326 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1327 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1328 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1329 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1332 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1334 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1335 extendVarEnvList id_env (clovs 0 args),
1340 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1342 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1343 = IlxEnv (mod, tv_env, id_env,
1344 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1347 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1348 = IlxEnv (m, tv_env,
1349 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1350 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1352 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1353 = IlxEnv (m, tv_env,
1354 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1355 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1358 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1359 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1361 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1362 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1363 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1364 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1365 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1366 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1372 type IlxLabel = SDoc
1374 pprIlxLabel lbl = lbl
1376 mkJoinLabel :: Id -> IlxLabel
1377 mkJoinLabel v = text "J_" <> ppr v
1379 mkAltLabel :: Id -> Int -> IlxLabel
1380 mkAltLabel v n = text "A" <> int n <> ppr v
1382 ilxLabel :: IlxLabel -> SDoc
1383 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1387 %************************************************************************
1389 \subsection{Local pretty helper functions}
1391 %************************************************************************
1394 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1395 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1396 ilxComment pp = text "/*" <+> pp <+> text "*/"
1397 singleQuotes pp = char '\'' <> pp <> char '\''
1399 line = text "// ----------------------------------"
1401 hscOptionQual = if opt_SimplDoEtaReduction then text ".ilx-O" else text ".ilx-Onot"
1404 | isLocalName n = empty
1405 | ilxEnvModule env == nameModule n = text ""
1406 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1407 -- HACK: no Vanilla modules should be around, but they are!! This
1408 -- gets things working for the scenario "standard library linked as one
1409 -- assembly with multiple modules + a one module program running on top of this"
1410 -- Same applies to all other mentions of Vailla modules in this file
1411 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1412 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1414 | otherwise = packageReference (modulePackage (nameModule n))
1416 packageReference p = brackets ((text "ilx") <+> singleQuotes (ppr p <> hscOptionQual))
1417 moduleNameReference m = brackets ((text ".module") <+> (text "ilx") <+> singleQuotes (pprModuleName m <> hscOptionQual <> text ".dll"))
1419 moduleReference env m
1420 | ilxEnvModule env == m = text ""
1421 | isHomeModule m = moduleNameReference (moduleName m)
1423 | isVanillaModule m && not inPrelude = preludePackageReference
1424 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1426 | otherwise = packageReference (modulePackage m)
1428 preludePackageReference = packageReference preludePackage
1429 inPrelude = preludePackage == opt_InPackage
1431 ------------------------------------------------
1432 -- This code is copied from absCSyn/CString.lhs,
1433 -- and modified to do the correct thing! It's
1434 -- still a mess though. Also, still have to do the
1435 -- right thing for embedded nulls.
1437 pprFSInILStyle :: FAST_STRING -> SDoc
1438 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1440 stringToC :: String -> String
1441 -- Convert a string to the form required by C in a C literal string
1442 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1444 stringToC [c] = charToC c
1446 -- if we have something "octifiable" in "c", we'd better "octify"
1447 -- the rest of the string, too.
1448 = if (c < ' ' || c > '~')
1449 then (charToC c) ++ (concat (map char_to_C cs))
1450 else (charToC c) ++ (stringToC cs)
1452 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1454 | c == '\b' = "\\b" -- ToDo: chk some of these...
1459 | otherwise = '\\' : (trigraph (ord c))
1461 charToC :: Char -> String
1462 -- Convert a character to the form reqd in a C character literal
1463 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1476 else '\\' : (trigraph (ord c))
1478 trigraph :: Int -> String
1480 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1481 chr ((n `div` 10) `rem` 10 + ord '0'),
1482 chr (n `rem` 10 + ord '0')]
1487 %************************************************************************
1489 \subsection{PrimOps and Constructors}
1491 %************************************************************************
1494 ----------------------------
1495 -- Allocate a fresh constructor
1497 ilxConApp env data_con args
1498 | isUnboxedTupleCon data_con
1499 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1502 -- Collapse the construction of an unboxed tuple type where
1503 -- every element is zero-sized
1504 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1506 -- Minimize the construction of an unboxed tuple type, which
1507 -- may contain zero-sized elements. Recompute all the
1508 -- bits and pieces from the simpler case below for the new data
1509 -- type constructor....
1510 let data_con' = tupleCon Unboxed (length tm_args') in
1511 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1513 let tycon' = dataConTyCon data_con' in
1514 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1515 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1516 let formal_env' = formalIlxEnv env formal_tyvars' in
1518 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1519 sep [text "newobj void ",
1520 ilxTyConApp env tycon' rep_ty_args',
1522 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1526 -- Now all other constructions
1527 = -- Assume C :: forall a. a -> T a -> T a
1528 -- ldloc x arg of type Int
1529 -- ldloc y arg of type T Int
1530 -- newdata classunion T<Int32>, C(!0, T <!0>)
1532 let tycon = dataConTyCon data_con in
1533 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1534 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1536 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1537 sep [ text "newdata",
1538 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1539 nest 2 (ilxConRef env data_con)
1543 tycon = dataConTyCon data_con
1544 rep_ty_args = map deepIlxRepType ty_args
1545 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1547 -- split some type arguments off, throwing away the higher kinded ones for the moment
1548 -- base the higher-kinded checks off a corresponding list of formals
1549 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1550 | isIlxTyVar htv = ((h:l), r)
1551 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1552 where (l,r) = splitTyArgs ttv t
1553 splitTyArgs _ l = ([],l)
1555 -- split some type arguments off, where none should be higher kinded
1556 splitTyArgs1 (StgTypeArg h:t)
1558 where (l,r) = splitTyArgs1 t
1559 splitTyArgs1 l = ([],l)
1562 ilxConRef env data_con
1563 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1565 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1566 (arg_tys, _) = splitFunTys tau_ty
1567 env' = formalIlxEnv env tyvars
1575 %************************************************************************
1577 \subsection{PrimOps and Prim Representations} *
1578 %************************************************************************
1582 ilxPrimApp env (CCallOp ccall) args ret_ty = ilxCCall env ccall args ret_ty
1583 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1586 type IlxTyFrag = IlxEnv -> SDoc
1587 ilxType s env = text s
1589 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1590 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1592 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1594 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1595 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1596 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1597 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1598 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1599 (charPrimTyConKey, (\_ -> repChar)),
1600 (wordPrimTyConKey, (\_ -> repWord)),
1601 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1602 (intPrimTyConKey, (\_ -> repInt)),
1603 (int64PrimTyConKey, (\_ -> repInt64)),
1604 (word64PrimTyConKey, (\_ -> repWord64)),
1605 (floatPrimTyConKey, (\_ -> repFloat)),
1606 (doublePrimTyConKey, (\_ -> repDouble)),
1607 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1608 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1609 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1610 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1611 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1612 (threadIdPrimTyConKey, (\_ -> repThread)),
1613 (bcoPrimTyConKey, (\_ -> repBCO))
1616 ilxTypeL2 :: Type -> IlxTyFrag
1617 ilxTypeL2 ty env = ilxTypeL env ty
1618 ilxTypeR2 :: Type -> IlxTyFrag
1619 ilxTypeR2 ty env = ilxTypeR env ty
1621 ilxMethA = ilxType "!!0"
1622 ilxMethB = ilxType "!!1"
1623 prelGHCReference :: IlxTyFrag
1624 prelGHCReference env =
1625 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1626 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1627 else preludePackageReference
1629 prelBaseReference :: IlxTyFrag
1630 prelBaseReference env =
1631 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1632 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1633 else preludePackageReference
1635 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1636 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1637 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1638 repInt = ilxType "int32"
1639 repWord = ilxType "unsigned int32"
1640 repAddr =ilxType "/* Addr */ void *"
1641 repInt64 = ilxType "int64"
1642 repWord64 = ilxType "unsigned int64"
1643 repFloat = ilxType "float32"
1644 repDouble = ilxType "float64"
1645 repChar = ilxType "/* Char */ unsigned int8"
1646 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1647 repInteger = ilxUnboxedPairRep repInt repByteArray
1648 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1649 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1650 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1651 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1652 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1653 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1654 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1655 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1656 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1657 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1659 ilxTyPair l r = ilxTyParams [l,r]
1660 ilxTyTriple l m r = ilxTyParams [l,m,r]
1661 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1662 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1663 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1664 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1666 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1667 ilxTyParams [] env = empty
1668 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1670 ilxTyParamsAux [] env = empty
1671 ilxTyParamsAux [h] env = h env
1672 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1673 ilxTyParams [] env = empty
1676 type IlxOpFrag = IlxEnv -> SDoc
1677 ilxOp :: String -> IlxOpFrag
1678 ilxOp s env = text s
1679 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1680 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1682 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1683 ilxParams l env = parens (ilxParamsAux l env)
1685 ilxParamsAux [] env = empty
1686 ilxParamsAux [h] env = h env
1687 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1690 ilxMethodRef rty cls nm tyargs args =
1691 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1692 ilxTyParams tyargs,ilxParams args]
1694 ilxCall m = ilxOpSeq [ilxOp "call", m]
1696 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1697 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1699 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1701 ilxMkBool :: IlxOpFrag
1702 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1703 ilxOp "PrelBase_Bool",
1704 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1705 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1706 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1707 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1708 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1709 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1710 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1711 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1712 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1713 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1714 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1716 ilxForeignToAddrOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1718 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1721 CharGtOp -> simp_op ilxCgt
1722 CharGeOp -> simp_op ilxCge
1723 CharEqOp -> simp_op ilxCeq
1724 CharNeOp -> simp_op ilxCne
1725 CharLtOp -> simp_op ilxClt
1726 CharLeOp -> simp_op ilxCle
1728 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1729 ChrOp -> simp_op (ilxOp "conv.u4")
1731 IntGtOp -> simp_op ilxCgt
1732 IntGeOp -> simp_op ilxCge
1733 IntEqOp -> simp_op ilxCeq
1734 IntNeOp -> simp_op ilxCne
1735 IntLtOp -> simp_op ilxClt
1736 IntLeOp -> simp_op ilxCle
1738 IntToInt8Op -> simp_op (ilxOp"conv.i1")
1739 IntToInt16Op -> simp_op (ilxOp "conv.i2")
1740 IntToInt32Op -> simp_op (ilxOp "conv.i4")
1741 WordToWord8Op -> simp_op (ilxOp "conv.u1")
1742 WordToWord16Op -> simp_op (ilxOp "conv.u2")
1743 WordToWord32Op -> simp_op (ilxOp "conv.u4")
1745 WordGtOp -> simp_op ilxCgtUn
1746 WordGeOp -> simp_op ilxCgeUn
1747 WordEqOp -> simp_op ilxCeq
1748 WordNeOp -> simp_op ilxCne
1749 WordLtOp -> simp_op ilxCltUn
1750 WordLeOp -> simp_op ilxCleUn
1752 AddrGtOp -> simp_op ilxCgt
1753 AddrGeOp -> simp_op ilxCge
1754 AddrEqOp -> simp_op ilxCeq
1755 AddrNeOp -> simp_op ilxCne
1756 AddrLtOp -> simp_op ilxClt
1757 AddrLeOp -> simp_op ilxCle
1759 FloatGtOp -> simp_op ilxCgt
1760 FloatGeOp -> simp_op ilxCge
1761 FloatEqOp -> simp_op ilxCeq
1762 FloatNeOp -> simp_op ilxCne
1763 FloatLtOp -> simp_op ilxClt
1764 FloatLeOp -> simp_op ilxCle
1766 DoubleGtOp -> simp_op ilxCgt
1767 DoubleGeOp -> simp_op ilxCge
1768 DoubleEqOp -> simp_op ilxCeq
1769 DoubleNeOp -> simp_op ilxCne
1770 DoubleLtOp -> simp_op ilxClt
1771 DoubleLeOp -> simp_op ilxCle
1773 -- Int#-related ops:
1774 IntAddOp -> simp_op (ilxOp "add")
1775 IntSubOp -> simp_op (ilxOp "sub")
1776 IntMulOp -> simp_op (ilxOp "mul")
1777 IntQuotOp -> simp_op (ilxOp "div")
1778 IntNegOp -> simp_op (ilxOp "neg")
1779 IntRemOp -> simp_op (ilxOp "rem")
1781 -- Word#-related ops:
1782 WordAddOp -> simp_op (ilxOp "add")
1783 WordSubOp -> simp_op (ilxOp "sub")
1784 WordMulOp -> simp_op (ilxOp "mul")
1785 WordQuotOp -> simp_op (ilxOp "div")
1786 WordRemOp -> simp_op (ilxOp "rem")
1788 Addr2IntOp -> simp_op (ilxOp "conv.i4") -- Addresses are very dodgy for ILX. They are used for both C-strings and
1789 Int2AddrOp -> simp_op (ilxOp "conv.i") -- the FFI. This needs more work.
1790 ISllOp -> simp_op (ilxOp "shl")
1791 ISraOp -> simp_op (ilxOp "shr")
1792 ISrlOp -> simp_op (ilxOp "shr.un")
1793 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1794 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1795 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1796 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1799 -- Word#-related ops:
1800 AndOp -> simp_op (ilxOp "and")
1801 OrOp -> simp_op (ilxOp "or")
1802 NotOp -> simp_op (ilxOp "not")
1803 XorOp -> simp_op (ilxOp "xor")
1804 SllOp -> simp_op (ilxOp "shl")
1805 SrlOp -> simp_op (ilxOp "shr")
1806 Word2IntOp -> simp_op (ilxOp "conv.i4")
1807 Int2WordOp -> simp_op (ilxOp "conv.u4")
1809 -- Float#-related ops:
1810 FloatAddOp -> simp_op (ilxOp "add")
1811 FloatSubOp -> simp_op (ilxOp "sub")
1812 FloatMulOp -> simp_op (ilxOp "mul")
1813 FloatDivOp -> simp_op (ilxOp "div")
1814 FloatNegOp -> simp_op (ilxOp "neg")
1815 Float2IntOp -> simp_op (ilxOp "conv.i4")
1816 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1818 DoubleAddOp -> simp_op (ilxOp "add")
1819 DoubleSubOp -> simp_op (ilxOp "sub")
1820 DoubleMulOp -> simp_op (ilxOp "mul")
1821 DoubleDivOp -> simp_op (ilxOp "div")
1822 DoubleNegOp -> simp_op (ilxOp "neg")
1823 Double2IntOp -> simp_op (ilxOp "conv.i4")
1824 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1825 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1826 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1827 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1828 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1830 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1831 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1832 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1833 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1834 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1835 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1836 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1837 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1838 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1839 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1840 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1841 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1842 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1844 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1845 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1846 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1848 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1849 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1850 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1852 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1853 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1854 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1856 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1857 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1858 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1860 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1862 -- Integer (and related...) ops: bail out to support routines
1863 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1864 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1865 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1866 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1867 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1868 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1869 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1870 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1871 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1872 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1873 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1874 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1875 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1876 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1877 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1878 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1879 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1880 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1881 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1882 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1883 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1884 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1885 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1886 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1890 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1891 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1892 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1893 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1894 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1895 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1896 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1897 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1898 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1899 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1900 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1901 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1902 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1903 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1904 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1905 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1907 {- should be monadic??? -}
1908 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1909 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1910 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1911 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1912 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1913 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1914 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1915 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1916 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1917 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1918 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1919 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1920 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1921 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1922 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1923 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1924 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1925 {- ByteArr# -> Int# -> Char# -}
1928 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1929 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1930 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1931 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1932 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1933 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1934 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1935 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1936 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1937 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1938 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
1939 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
1940 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
1941 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
1942 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
1943 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
1944 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
1946 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1947 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1948 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1949 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1950 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1951 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1952 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1953 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1954 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1955 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1956 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1957 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1958 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1959 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1960 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1961 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
1963 -- ForeignObj: load the address inside the object first
1964 -- TODO: is this remotely right?
1965 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1966 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
1967 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1968 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1969 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
1970 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
1971 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
1972 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
1973 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
1974 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
1975 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1976 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
1977 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1978 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
1979 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1980 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxForeignToAddrOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
1982 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1983 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1984 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1985 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1986 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1987 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1988 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1989 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1990 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1991 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1992 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1993 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1994 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1995 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1996 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1997 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
1998 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2000 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2001 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2002 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2003 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2004 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2005 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2006 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2007 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"])
2008 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2009 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2010 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2011 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2012 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2013 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2014 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2015 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2016 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2017 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2019 {- should be monadic??? -}
2020 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2021 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2022 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2023 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2024 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2025 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2026 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2027 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2028 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2029 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2031 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2032 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2033 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2034 {- ByteArr# -> Int# -}
2036 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2037 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2038 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2039 {- MutByteArr# s -> Int# -}
2041 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2042 {- MutVar# s a -> MutVar# s a -> Bool -}
2043 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2044 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2045 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2046 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2047 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2048 {- MutVar# s a -> a -> State# s -> State# s -}
2050 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethA])
2051 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2052 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2053 {- Array# a -> Int# -> (# a #) -}
2054 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2055 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2056 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2057 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2058 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2059 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2060 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2061 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2063 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2064 {- MutArr# s a -> MutArr# s a -> Bool -}
2067 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2068 CatchOp -> ty2_op (\ty1 ty2 ->
2069 ilxCallSuppMeth ilxMethA "'catch'" [ty1,ty2] [ilxOp "(func ( /* unit skipped */ ) --> !!0)", ilxOp "(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))"])
2070 {- (State# RealWorld -> (# State# RealWorld, a #) )
2071 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2073 -> (# State# RealWorld, a #)
2076 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2077 ilxCallSuppMeth ilxMethA "blockAsyncExceptions" [ty1] [ilxOp "(func ( /* unit skipped */ ) --> !!0)"])
2079 {- (State# RealWorld -> (# State# RealWorld, a #))
2080 -> (State# RealWorld -> (# State# RealWorld, a #))
2083 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2084 ilxCallSuppMeth ilxMethA "unblockAsyncExceptions" [ty1] [ilxOp "(func ( /* unit skipped */ ) --> !!0)"])
2087 State# RealWorld -> (# State# RealWorld, a #))
2088 -> (State# RealWorld -> (# State# RealWorld, a #))
2091 NewMVarOp -> ty2_op (\sty ty ->
2092 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2093 {- State# s -> (# State# s, MVar# s a #) -}
2095 TakeMVarOp -> ty2_op (\sty ty ->
2096 ilxCallSuppMeth ilxMethA "takeMVar" [ty] [repMVar ilxMethA])
2097 {- MVar# s a -> State# s -> (# State# s, a #) -}
2099 -- These aren't yet right
2100 TryTakeMVarOp -> ty2_op (\sty ty ->
2101 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA])
2102 {- MVar# s a -> State# s -> (# State# s, a #) -}
2104 TryPutMVarOp -> ty2_op (\sty ty ->
2105 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethA,ilxMethA])
2106 {- MVar# s a -> State# s -> (# State# s, a #) -}
2108 PutMVarOp -> ty2_op (\sty ty ->
2109 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethA, ilxMethA])
2110 {- MVar# s a -> a -> State# s -> State# s -}
2112 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2113 {- MVar# s a -> MVar# s a -> Bool -}
2115 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2116 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA]))
2117 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2119 IsEmptyMVarOp -> ty2_op (\sty ty ->
2120 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethA])
2121 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2123 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2126 DataToTagOp -> ty1_op (\ty1 ->
2127 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethA])
2130 TagToEnumOp -> ty1_op (\ty1 ->
2131 ilxCallSuppMeth ilxMethA "tagToEnum" [ty1] [repInt])
2134 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2135 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2136 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2137 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2139 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2140 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2141 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2142 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2144 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2145 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2147 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2148 {- StablePtr# a -> StablePtr# a -> Int# -}
2150 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethB) classWeak "bake" [ty1,ty2,ty3] [ilxMethA, ilxMethB, ilxOp "!!2"]))
2151 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2153 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethA) classWeak "deref" [ty1] [repWeak ilxMethA]))
2154 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxOp "(func ( /* unit skipped */ ) --> class '()')")) classWeak "finalizer" [ty1] [repWeak ilxMethA]))
2155 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2156 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2158 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2159 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2160 ForeignObjToAddrOp -> simp_op ilxForeignToAddrOp
2161 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2162 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2163 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2164 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2165 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2167 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2168 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2169 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2170 {- Int# -> State# s -> State# s -}
2172 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2173 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2174 CCallOp _ -> panic "CCallOp should already be done..."
2175 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2176 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2177 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2178 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2179 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2180 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2181 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2182 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2183 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2185 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2186 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2187 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2190 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2191 ty1_op op ((StgTypeArg ty1):rest) =
2192 ilxOpSeq [getArgsStartingAt 1 rest,
2193 op (ilxTypeR2 (deepIlxRepType ty1))]
2195 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2196 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2197 ilxOpSeq [getArgsStartingAt 2 rest,
2198 op (ilxTypeR2 (deepIlxRepType ty1))
2199 (ilxTypeR2 (deepIlxRepType ty2))]
2201 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2202 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2203 ilxOpSeq [getArgsStartingAt 3 rest,
2204 op (ilxTypeR2 (deepIlxRepType ty1))
2205 (ilxTypeR2 (deepIlxRepType ty2))
2206 (ilxTypeR2 (deepIlxRepType ty3))]
2208 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2209 arg2_op op [a1, a2] =
2213 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2214 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2215 op (ilxTypeR2 (deepIlxRepType ty1))
2219 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2220 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2221 op (ilxTypeR2 (deepIlxRepType ty1))
2227 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2228 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2229 op (ilxTypeR2 (deepIlxRepType ty1))
2230 (ilxTypeR2 (deepIlxRepType ty2))
2238 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2239 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2241 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2242 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2243 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2246 %************************************************************************
2248 \subsection{C Calls}
2250 %************************************************************************
2254 -- Call the P/Invoke stub wrapper generated in the import section.
2255 -- We eliminate voids in and around an IL C Call.
2256 -- We also do some type-directed translation for pinning Haskell-managed blobs
2257 -- of data as we throw them across the boundary.
2258 ilxCCall env (CCall (StaticTarget c) casm gc cconv) args ret_ty =
2259 ilxComment (text "C call <+> pprCLabelString c") <+>
2260 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2261 text "call" <+> retdoc <+> pprCLabelString c <+> pprTypeArgs ilxTypeR env ty_args
2262 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2265 if isVoidIlxRepType ret_ty then text "void"
2266 else ilxTypeR env (deepIlxRepType ret_ty)
2267 (ty_args,tm_args) = splitTyArgs1 args
2270 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2271 hasTyCon _ _ = False
2273 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2274 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2275 pinCCallArg v = isByteArrayCArg v
2277 ilxAddrOfPinnedByteArr = text "ldc.i4 0 ldelema unsigned int8"
2279 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin") <+> ilxAddrOfPinnedByteArr
2280 pushCArg env arg | otherwise = pushArg env arg
2282 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2283 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2284 pprCValArgTy f env ty | otherwise = f env ty
2287 foldR :: (a -> b -> b) -> [a] -> b -> b
2289 -- foldR f (x:xs) z = f x (foldR f xs z)
2290 {-# INLINE foldR #-}
2291 foldR k xs z = go xs
2294 go (y:ys) = y `k` go ys