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 VarSet ( isEmptyVarSet )
16 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
17 tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
19 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
20 isUnLiftedType, isTyVarTy, mkTyVarTy, sourceTypeRep,
21 splitForAllTys, splitFunTys, applyTy, applyTys, eqKind, tyVarsOfTypes
23 import TypeRep ( Type(..) )
24 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys, DataCon(..) )
25 import Literal ( Literal(..) )
26 import PrelNames -- Lots of keys
27 import PrimOp ( PrimOp(..) )
28 import ForeignCall ( CCallConv(..), ForeignCall(..), CCallSpec(..), CCallTarget(..), DNCallSpec(..) )
29 import TysWiredIn ( mkTupleTy, tupleCon )
30 import PrimRep ( PrimRep(..) )
31 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
32 import Subst ( substTyWith )
34 import Module ( Module, PackageName, ModuleName, moduleName,
35 modulePackage, preludePackage,
36 isHomeModule, isVanillaModule,
37 pprModuleName, mkHomeModule, mkModuleName
41 import BasicTypes ( Boxity(..) )
42 import CStrings ( CLabelString, pprCLabelString )
45 import List ( partition, elem, insertBy,any )
47 import PprType ( pprType ) -- Only called in debug messages
49 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
51 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
52 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
53 -- names when this is set (because that's clue that -O was set).
54 -- One day this will be configured by the command line.
55 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
61 %************************************************************************
63 \subsection{Main driver}
65 %************************************************************************
68 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
69 -- The TyCons should include those arising from classes
70 ilxGen mod tycons binds_w_srts
71 = vcat [ text ".module '" <> (ppr (moduleName mod)) <> hscOptionQual <> text "o'",
72 text ".assembly extern 'mscorlib' {}",
73 vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
74 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
75 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
76 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
77 vcat (map (ilxTyCon topenv) data_tycons),
78 vcat (map (ilxBindClosures topenv) binds),
79 ilxTopBind mod topenv toppairs
82 binds = map fst binds_w_srts
83 toppairs = ilxPairs binds
84 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
85 -- Generate info from class decls as well
86 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
87 data_tycons = filter isDataTyCon tycons
90 %************************************************************************
92 \subsection{Find Imports}
94 %************************************************************************
98 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo -> ImportsInfo
99 importsBinds env binds = foldR (importsBind env) binds
101 importsNone :: ImportsInfo -> ImportsInfo
102 importsNone sofar = sofar
104 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
105 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
106 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
108 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
109 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
110 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
112 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
113 importsExpr env (StgLit _) = importsNone
114 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
115 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
116 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _)) _) args rty)
117 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
119 (ty_args,tm_args) = splitTyArgs1 args
121 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
124 importsExpr env (StgSCC _ expr) = importsExpr env expr
125 importsExpr env (StgCase scrut _ _ bndr _ alts)
126 = importsExpr env scrut. imports_alts alts. importsVar env bndr
128 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
129 -- by the case-binder's type
130 = foldR imports_alg_alt alg_alts . imports_deflt deflt
132 imports_alg_alt (con, bndrs, _, rhs)
133 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
135 imports_alts (StgPrimAlts _ alg_alts deflt)
136 = foldR imports_prim_alt alg_alts . imports_deflt deflt
138 imports_prim_alt (_, rhs) = importsExpr env rhs
139 imports_deflt StgNoDefault = importsNone
140 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
143 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
144 importsExpr env (StgLet bind body)
145 = importsBind env bind . importsExpr env body
147 importsApp env v args = importsVar env v. importsStgArgs env args
148 importsStgArgs env args = foldR (importsStgArg env) args
150 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
151 importsStgArg env (StgTypeArg ty) = importsType env ty
152 importsStgArg env (StgVarArg v) = importsVar env v
153 importsStgArg env _ = importsNone
155 importsVars env vs = foldR (importsVar env) vs
156 importsVar env v = importsName env (idName v). importsType env (idType v)
159 | isLocalName n = importsNone
160 | ilxEnvModule env == nameModule n = importsNone
161 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
163 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
164 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
166 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
169 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
170 | otherwise = addPackageImpInfo preludePackage
173 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
174 importsType env ty = importsType2 env (deepIlxRepType ty)
176 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
177 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
178 importsType2 env (TyVarTy _) = importsNone
179 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
180 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
181 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
182 importsType2 env (NoteTy _ ty) = importsType2 env ty
183 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
184 importsTypeArgs2 env tys = foldR (importsType2 env) tys
186 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
188 importsTyCon env tc | (not (isDataTyCon tc) ||
189 isLocalName (getName tc) ||
190 ilxEnvModule env == nameModule (getName tc)) = importsNone
191 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc .
192 foldR (importsTyConDataCon env) (tyConDataCons tc)
195 importsTyConDataCon :: IlxEnv -> DataCon -> ImportsInfo -> ImportsInfo
196 importsTyConDataCon env dcon = foldR (importsTyConDataConType env) (filter (not . isVoidIlxRepType) (dataConRepArgTys dcon))
198 importsTyConDataConType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
199 importsTyConDataConType env ty = importsTyConDataConType2 env (deepIlxRepType ty)
201 importsTyConDataConType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
202 importsTyConDataConType2 env (AppTy f x) = importsTyConDataConType2 env f . importsTyConDataConType2 env x
203 importsTyConDataConType2 env (TyVarTy _) = importsNone
204 importsTyConDataConType2 env (TyConApp tc args) = importsTyConDataConTypeTyCon env tc . importsTyConDataConTypeArgs2 env args
205 importsTyConDataConType2 env (FunTy arg res) = importsTyConDataConType env arg . importsTyConDataConType2 env res
206 importsTyConDataConType2 env (ForAllTy tv body_ty) = importsTyConDataConType2 env body_ty
207 importsTyConDataConType2 env (NoteTy _ ty) = importsTyConDataConType2 env ty
208 importsTyConDataConType2 _ _ = panic "IlxGen.lhs: importsTyConDataConType2 ty"
209 importsTyConDataConTypeArgs2 env tys = foldR (importsTyConDataConType2 env) tys
211 importsTyConDataConTypeTyCon env tc | (not (isDataTyCon tc) ||
212 isLocalName (getName tc) ||
213 ilxEnvModule env == nameModule (getName tc)) = importsNone
214 importsTyConDataConTypeTyCon env tc | otherwise = importsName env (getName tc)
217 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
218 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
219 -- (Packages, Modules, Datatypes, Imported CCalls)
221 emptyImpInfo :: ImportsInfo
222 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
223 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
224 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
225 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
226 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
228 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
229 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
230 ilxImportTyCon _ _ | otherwise = empty
232 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
233 ilxImportPackage _ p = text ".assembly extern" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
235 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
236 ilxImportModule _ m = text ".module extern" <+> singleQuotes (ppr m <> hscOptionQual <> text "o")
238 -- Emit a P/Invoke declaration for the imported C function
239 -- TODO: emit the right DLL name
240 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
241 ilxImportCCall env (c,cc,args,ret) =
242 text ".method static assembly pinvokeimpl" <+>
243 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
244 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
245 text "unmanaged preservesig { }"
248 if isVoidIlxRepType ret then text "void"
249 else ilxTypeR env (deepIlxRepType ret)
254 %************************************************************************
256 \subsection{Type declarations}
258 %************************************************************************
263 ilxTyCon :: IlxEnv -> TyCon -> SDoc
264 ilxTyCon env tycon = ilxTyConDef False env tycon
266 -- filter to get only dataTyCons?
267 ilxTyConDef importing env tycon =
269 text ".classunion" <+> (if importing then text "import" else empty) <+> tycon_ref <+> tyvars_text <+> super_text <+> alts_text]
271 tycon_ref = nameReference env (getName tycon) <> (ppr tycon)
272 super_text = if importing then empty else text "extends thunk" <> angleBrackets (text "class" <+> tycon_ref)
273 tyvars = tyConTyVars tycon
274 (ilx_tvs, _) = categorizeTyVars tyvars
275 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
276 tyvars_text = pprTyVarBinders alts_env ilx_tvs
277 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
278 alts_text = nest 2 (braces alts)
280 pprIlxDataCon env dcon =
281 text ".alternative" <+> pprId dcon <+>
282 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
286 %************************************************************************
288 \subsection{Getting the .closures and literals out} *
289 %************************************************************************
293 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
294 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
295 ilxBindClosures env (StgRec _ pairs)
296 = vcat (map (ilxRhsClosures new_env) pairs)
298 new_env = extendIlxEnvWithBinds env pairs
301 ilxRhsClosures _ (_, StgRhsCon _ _ _)
304 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
305 = vcat [ilxExprClosures next_env rhs,
308 kind_text <+> singleQuotes cloname <+> free_vs_text,
311 vcat [text ".apply" <+> closure_sig_text,
319 kind_of_thing = case upd of
320 Updatable -> ASSERT( null args ) ".thunk"
321 otherwise -> ".closure"
322 kind_text = text kind_of_thing
324 cloname = ilxEnvQualifyByModule env (ppr bndr)
325 next_env = ilxPlaceStgRhsClosure env bndr
326 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
333 otherwise -> args_text),
334 text "-->" <+> rty_text]
336 (args_text,env_with_args) = pprArgBinders env_with_fvs args
338 -- Find the type returned, from the no. of args and the type of "bndr"
340 case retType env_with_fvs (idIlxRepType bndr) args of
342 if isVoidIlxRepType ty then (text "void")
344 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))
346 -- strip off leading ForAll and Fun type constructions
347 -- up to the given number of arguments, extending the environment as
349 retType env ty [] = Just (env, ty)
350 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
351 retType env (FunTy l r) (arg:args) = retType env r args
352 retType _ _ _ = Nothing
354 -- Code for the local variables
355 locals = ilxExprLocals env_with_args rhs
357 env_with_locals = extendIlxEnvWithLocals env_with_args locals
359 -- Code for the body of the main apply method
360 body_code = vcat [empty,
361 pprIlxLocals env_with_args locals,
362 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
366 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
369 pprIlxLocals env [] = empty
371 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
373 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
374 nonVoidLocal _ = True
376 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
377 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
380 pprFreeBinders env fvs
381 = (ilx_tvs_text <+> vs_text, env2)
383 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
384 real_free_vs = filter (not . isVoidIlxRepId) free_vs
385 -- ignore the higher order type parameters for the moment
386 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
387 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
388 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
389 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
390 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
392 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
394 -- Declarations for the arguments of the main apply method
395 pprArgBinders env [] = (empty,env)
396 pprArgBinders env (arg:args)
397 = (arg_text <+> rest_text, res_env)
399 (arg_text,env') = pprArgBinder env arg
400 (rest_text,res_env) = pprArgBinders env' args
402 -- We could probably omit some void argument binders, but
405 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
407 = if isTyVar arg then
408 let env' = extendIlxEnvWithTyArgs env [arg] in
409 (pprTyVarBinder env' arg, env')
410 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
413 -- Compute local variables used by generated method.
414 -- The names of some generated locals are recorded as SDocs.
416 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
418 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
419 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
420 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
421 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
422 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
423 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
424 ilxAltsLocals env alts
425 ilxExprLocals env (StgOpApp (StgFCallOp fcall _) args _)
426 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
427 ilxExprLocals _ _ = []
429 -- Generate locals to use for pinning arguments as we cross the boundary
431 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
432 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
433 ilxCCallArgLocals _ _ | otherwise = []
435 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
436 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
438 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
439 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
441 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
442 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
444 ilxDefltLocals _ StgNoDefault = []
445 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
448 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
449 ilxExprClosures env (StgApp _ args)
450 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
451 ilxExprClosures env (StgConApp _ args)
452 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
453 ilxExprClosures env (StgOpApp _ args _)
454 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
455 ilxExprClosures env (StgLet bind body)
456 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
457 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
458 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
459 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
460 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
461 ilxExprClosures env (StgLit lit)
466 ilxAltsClosures env (StgAlgAlts _ alts deflt)
467 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
469 ilxDefltClosures env deflt
471 ilxAltsClosures env (StgPrimAlts _ alts deflt)
472 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
474 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
476 ilxDefltClosures env deflt
478 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
479 ilxDefltClosures _ StgNoDefault = empty
481 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
482 ilxArgClosures _ _ = empty
486 ilxGenLit env (MachStr fs)
487 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
488 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
491 nm = ilxEnvQualifyByExact env (text "string")
493 ilxGenLit _ _ = empty
498 %************************************************************************
500 \subsection{Generating code}
502 %************************************************************************
507 -- Environment when generating expressions
508 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
510 data Sequel = Return | Jump IlxLabel
512 ilxSequel Return = text "ret"
513 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
515 isReturn Return = True
516 isReturn (Jump _) = False
519 ilxExpr :: IlxEEnv -> StgExpr
520 -> Sequel -- What to do at the end
523 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
524 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
526 -- ilxExpr eenv (StgLit lit) sequel
527 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
528 = pushLit env lit $$ ilxSequel sequel
530 -- ilxExpr eenv (StgConApp data_con args) sequel
531 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
532 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
534 -- ilxExpr eenv (StgPrimApp primop args _) sequel
535 ilxExpr (IlxEEnv env _) (StgOpApp (StgFCallOp fcall _) args ret_ty) sequel
536 = ilxFCall env fcall args ret_ty $$ ilxSequel sequel
538 ilxExpr (IlxEEnv env _) (StgOpApp (StgPrimOp primop) args ret_ty) sequel
539 = ilxPrimOpTable primop args env $$ ilxSequel sequel
542 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
543 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
544 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
545 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
546 = ilxExpr eenv rhs sequel
547 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
548 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
549 = ilxExpr eenv rhs sequel
552 ilxExpr eenv (StgLet bind body) sequel
553 = ilxBind eenv bind $$ ilxExpr eenv body sequel
556 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
557 = ilxBind eenv bind $$ ilxExpr eenv body sequel
559 -- StgCase: Special case 1 to avoid spurious branch.
560 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
561 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
562 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
563 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
564 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
565 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
568 -- StgCase: Special case 2 to avoid spurious branch.
569 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgOpApp (StgPrimOp primop) args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
570 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
571 ilxPrimOpTable primop args (ilxPlaceStgCaseScrut env),
572 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
573 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
574 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
577 -- StgCase: Normal case.
578 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
579 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
580 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
582 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
583 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
584 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
587 join_lbl = mkJoinLabel bndr
590 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
593 -- Wipe out locals and arguments that are no longer in use, to
594 -- prevent space leaks. If the VM is implemented 100% correctly then
595 -- this should probably not be needed, as the live variable analysis
596 -- in the JIT would tell the GC that these locals and arguments are
597 -- no longer live. However I'm putting it in here so we can
598 -- check out if it helps.
600 -- Also, in any case this doesn't capture everything we need. e.g.
601 -- when making a call:
603 -- where x is not used in the alternatives, then the variable x
604 -- is no longer live from the point it is transferred to the call
605 -- onwards. We should expunge "live_in_case - live_in_alts" right
606 -- before making the call, not after returning from the call....
608 -- Strictly speaking we also don't need to do this for primitive
609 -- values such as integers and addresses, i.e. things not
610 -- mapped down to GC'able objects.
612 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
615 = case lookupIlxVarEnv env id of
616 Just Local -> text "ldloca " <+> pprId id <+> text "initobj.any" <+> (ilxTypeL env (idIlxRepType id))
617 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
618 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
619 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
623 ----------------------
625 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
626 ilxAlts (IlxEEnv env live) bndr alts sequel
627 -- At the join label, the result is on top
629 = vcat [store_in_bndr,
630 do_case_analysis alts
633 scrut_rep_ty = deepIlxRepType (idType bndr)
635 store_in_bndr | isDeadBinder bndr = empty
636 | isVoidIlxRepId bndr
637 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
638 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
640 do_case_analysis (StgAlgAlts _ [] deflt)
643 do_case_analysis (StgAlgAlts _ args deflt)
644 = do_alg_alts ([1..] `zip` args) deflt
646 do_case_analysis (StgPrimAlts _ alts deflt)
647 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
649 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
650 -- Collapse the analysis of unboxed tuples where
651 -- some or all elements are zero-sized
653 -- TO DO: add bndrs to set of live variables
655 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
656 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
658 bndrs' = filter (not. isVoidIlxRepId) bndrs
659 -- Replacement unboxed tuple type constructor, used if any of the
660 -- arguments have zero-size and more than one remains.
661 dcon' = tupleCon Unboxed (length bndrs')
663 alt_env = IlxEEnv (ilxPlaceAlt env i) live
664 --alt_env = IlxEEnv (ilxPlaceAlt env i)
666 bind_collapse [] _ = panic "bind_collapse: unary element not found"
667 bind_collapse (h:t) (is_used:used_flags)
668 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
669 | not is_used = ilxComment (text "not used") <+> text "pop"
670 | otherwise = text "stloc" <+> pprId h
673 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
674 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
675 ilxConRef env data_con],
676 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
679 do_alg_alts alts deflt
680 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
681 pprSepWithCommas pp_case labels_w_alts],
683 vcat (map do_labelled_alg_alt labels_w_alts)
686 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
687 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
689 do_prim_alts [] = empty
690 do_prim_alts ((i, (lit,alt)) : alts)
691 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
692 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
693 ilxLabel lbl, do_prim_alts alts]
695 lbl = mkAltLabel bndr i
697 do_labelled_alg_alt (i,(lbl, alt))
698 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
700 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
701 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
705 bind_components alt_eenv data_con [] n _ = empty
706 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
708 -- don't increase the count in this case
709 = ilxComment (text "zero-rep binding eliminated")
710 <+> bind_components alt_eenv data_con t n used_flags
712 = bind_component alt_eenv data_con h is_used n
713 <+> bind_components alt_eenv data_con t (n + 1) used_flags
715 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
717 = ilxComment (text "not used")
718 | isVoidIlxRepId bndr
719 = ilxComment (text "ignoring bind of zero-rep variable")
720 | otherwise = vcat [text "dup",
721 ld_data alt_env data_con reduced_fld_no bndr,
722 text "stloc" <+> pprId bndr]
724 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
725 do_deflt StgNoDefault = empty
728 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
729 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
731 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
733 ld_data alt_env data_con reduced_fld_no bndr
734 | isUnboxedTupleCon data_con
735 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
736 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
738 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
739 ilxConRef env data_con <> comma,
740 integer reduced_fld_no]
743 -------------------------
749 -- Constants of unlifted types are represented as
750 -- applications to no arguments.
751 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
754 ilxFunApp env fun args tail_call
756 -- ldloc f function of type forall a. a->a
757 -- ldloc x arg of type Int
758 -- .tail callfunc <Int32> (!0) --> !0
760 vcat [pushId env fun,ilxFunAppAfterPush env fun args tail_call]
762 ilxFunAppAfterPush env fun args tail_call
764 -- ldloc f function of type forall a. a->a
765 -- ldloc x arg of type Int
766 -- .tail callfunc <Int32> (!0) --> !0
768 vcat [ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
770 known_clo :: KnownClosure
772 case lookupIlxBindEnv env fun of
773 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
774 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
775 _ -> Nothing -- trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun)))
777 type KnownClosure = Maybe ( IlxEnv -- Of the binding site of the function
780 , [Var]) -- Free vars of the closure
782 -- Push as many arguments as ILX allows us to in one go, and call the function
783 -- Recurse until we're done.
784 -- The function is already on the stack
785 ilxFunAppArgs :: IlxEnv
786 -> Int -- Number of args already pushed (zero is a special case;
787 -- otherwise used only for place generation)
788 -> Type -- Type of the function
789 -> [StgArg] -- The arguments
790 -> Bool -- True <=> tail call please
791 -> KnownClosure -- Information about the function we're calling
794 ilxFunAppArgs env num_sofar funty args tail_call known_clo
795 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
796 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
806 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
809 | isVoidIlxRepType later_ty = text "void"
810 | otherwise = ilxTypeR env_after_now_tyvs later_ty
812 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
814 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
815 _ -> get_term_args 0 ilxBestTermArity args env funty
817 -- Only apply up to maxArity real (non-type) arguments
818 -- at a time. ILX should, in principle, allow us to apply
819 -- arbitrary numbers, but you will get more succinct
820 -- (and perhaps more efficient) IL code
821 -- if you apply in clumps according to its maxArity setting.
822 -- This is because it has to unwind the stack and store it away
823 -- in local variables to do the partial applications.
825 -- Similarly, ILX only allows one type application at a time, at
826 -- least until we implement unwinding the stack for this case.
828 -- NB: In the future we may have to be more careful
829 -- all the way through
830 -- this file to bind type variables as we move through
831 -- type abstractions and "forall" types. This would apply
832 -- especially if the type variables were ever bound by expressions
833 -- involving the type variables.
835 -- This part strips off at most "max" term applications or one type application
836 get_type_args 0 args env funty = ([],[],env,args,funty)
837 get_type_args max args env (NoteTy _ ty) =
838 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
839 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
840 = if isIlxTyVar tv then
841 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
842 let rest_ty = deepIlxRepType (substTyWith [tv] [v] rem_funty) in
843 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
844 let arg_ty = mkTyVarTy tv in
845 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
847 get_type_args max rest env rem_funty -- ? subst??
848 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
849 get_type_args _ args env funty = ([],[],env,args,funty)
851 get_term_args n max args env (NoteTy _ ty)
853 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
854 get_term_args n 0 args env funty
855 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
856 = ([],[],env,args,funty)
857 get_term_args n max args env funty
859 Just (_,_,needed,_) -> (length needed == n)
861 -- Stop if we have the optimal number for a direct call
862 = ([],[],env,args,funty)
863 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
864 -- Stop if we hit a type arg.
865 = ([],[],env,args,funty)
866 get_term_args n max (h:t) env (FunTy dom ran)
868 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
869 (h:now, (h,dom):now_tys,env2,later,later_ty)
870 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)
871 get_term_args _ max args env funty = ([],[],env,args,funty)
873 -- Are there any remaining arguments?
874 done = case later_args of
878 -- If so, generate the subsequent calls.
879 later = if done then text "// done"
880 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
882 -- Work out whether to issue a direct call a known closure (callclo) or
883 -- an indirect call (callfunc). Basically, see if the identifier has
884 -- been let-bound, and then check we are applying exactly the right
885 -- number of arguments. Also check that it's not a thunk (actually, this
886 -- is done up above).
888 -- The nasty "all" check makes sure that
889 -- the set of type variables in scope at the callsite is a superset
890 -- of the set of type variables needed for the direct call. This is
891 -- is needed because not all of the type variables captured by a
892 -- let-bound binding will get propogated down to the callsite, and
893 -- the ILX system of polymorphism demands that the free type variables
894 -- get reapplied when we issue the direct "callclo". The
895 -- type variables are in reality also "bound up" in the closure that is
896 -- passed as the first argument, so when we do an indirect call
897 -- to that closure we're fine, which is why we don't need them in
898 -- the "callfunc" case.
901 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
902 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
903 vcat [text "callclo class",
904 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
905 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
908 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
909 otherwise -> text "callfunc"
911 if (tail_call && done) then text "tail." <+> basic_call_instr
912 else basic_call_instr
915 --------------------------
916 -- Print the arg info at the call site
917 -- For type args we are, at the moment, required to
918 -- give both the actual and the formal (bound). The formal
919 -- bound is always System.Object at the moment (bounds are
920 -- not properly implemented in ILXASM in any case, and nor do
921 -- we plan on making use og them) For
922 -- non-type args the actuals are on the stack, and we just give the
924 pprIlxArgInfo env (StgTypeArg arg,ty) =
925 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
926 pprIlxArgInfo env (_,ty) =
927 parens (ilxTypeL env ty)
930 ----------------------------
931 -- Code for a binding
932 ilxBind :: IlxEEnv -> StgBinding -> SDoc
933 ilxBind eenv@(IlxEEnv env _) bind =
934 vcat [vcat (map (ilxRhs env rec) pairs),
935 vcat (map (ilxFixupRec env rec) pairs)]
937 rec = ilxRecIds1 bind
938 pairs = ilxPairs1 bind
941 ----------------------------
942 -- Allocate a closure or constructor. Fix up recursive definitions.
943 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
945 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
948 ilxRhs env rec (bndr, StgRhsCon _ con args)
949 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
950 text "stloc" <+> pprId bndr
953 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
954 = -- Assume .closure v<any A>(int64,!A) {
955 -- .apply <any B> (int32) (B) { ... }
958 -- let v = \B (x:int32) (y:B). ...
960 -- newclo v<int32>(int64,!0)
962 vcat [vcat (map pushFv free_vs),
963 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
964 text "newclo" <+> clotext,
965 text "stloc" <+> pprId bndr
968 pushFv id = if elem id rec then text "ldnull" else pushId env id
969 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
970 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
972 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
974 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
975 = text "// no recursive fixup"
977 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
978 = vcat [vcat (map fixFv rec)]
980 fixFv recid = if elem recid fvs then
981 vcat [pushId env bndr,
983 text "stclofld" <+> clotext <> text "," <+> pprId recid]
984 else text "//no fixup needed for" <+> pprId recid
985 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
986 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
990 ---------------------------------------------
991 -- Code for a top-level binding in a module
992 ilxPairs binds = concat (map ilxPairs1 binds)
994 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
995 ilxPairs1 (StgRec _ pairs) = pairs
997 ilxRecIds1 (StgNonRec _ bndr rhs) = []
998 ilxRecIds1 (StgRec _ pairs) = map fst pairs
1000 ---------------------------------------------
1001 -- Code for a top-level binding in a module
1002 -- TODO: fix up recursions amongst CAF's
1007 -- For the moment I've put in a completely spurious "reverse"...
1009 -- Consider: make fixing up of CAF's part of ILX? i.e.
1010 -- put static, constant, allocated datastructures into ILX.
1012 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
1013 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
1014 stableSortBy f [] = []
1016 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
1017 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
1018 usedBy (m,_) (n,_) | m == n = EQ
1019 usedBy (m,_) (_,_) = GT
1021 isArg m (StgVarArg n) = (n == m)
1025 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
1026 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
1027 --ilxTopRhs env (bndr,rhs)
1028 ilxTopBind mod env pairs =
1029 vcat [text ".class" <+> pprId mod,
1030 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
1032 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
1034 (nest 2 (vcat [text ".maxstack 100",
1035 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1036 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
1037 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1040 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
1042 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
1045 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
1046 = vcat [vcat (map (pushId env) free_vs),
1047 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
1048 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
1049 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1052 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1053 bndTy = idIlxRepType bndr
1055 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1056 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1057 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1060 bndTy = idIlxRepType bndr
1062 pprFieldRef env (mod,ty,id)
1063 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1065 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1066 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1068 bndTy = idIlxRepType bndr
1069 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1070 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1072 bndTy = idIlxRepType bndr
1074 --------------------------------------
1076 pushArgWithVoids = pushArg_aux True
1077 pushArg = pushArg_aux False
1079 pushArg_aux voids env (StgTypeArg ty) = empty
1080 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1081 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1084 mapi f l = mapi_aux f l 0
1086 mapi_aux f [] n = []
1087 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1089 --------------------------------------
1091 pushId = pushId_aux False
1093 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1094 pushId_aux voids _ id | isVoidIlxRepId id =
1095 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1096 pushId_aux _ env var
1097 = case lookupIlxVarEnv env var of
1098 Just Arg -> text "ldarg" <+> pprId var
1099 Just (CloVar n) -> text "ldenv" <+> int n
1100 Just Local -> text "ldloc" <+> pprId var
1102 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1103 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1104 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1107 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1108 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1109 <+> pprIlxTopVar env var]
1111 --------------------------------------
1113 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1114 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1115 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1116 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1117 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1118 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1119 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1120 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1121 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1122 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1123 pushLit env (MachLabel l) = trace "WARNING: Cannot compile MachLabel to ILX in IlxGen.lhs" (text "// MachLabel!!! Not valid in ILX!!")
1126 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1127 | otherwise = pprId (nameOccName n)
1134 %************************************************************************
1136 \subsection{Printing types}
1138 %************************************************************************
1143 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1144 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1145 isVoidIlxRepType (TyConApp tc tys)
1146 = isUnboxedTupleTyCon tc && null (filter (not. isVoidIlxRepType) tys)
1147 isVoidIlxRepType _ = False
1149 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1153 -- Get rid of all NoteTy and NewTy artifacts
1154 deepIlxRepType :: Type -> Type
1155 deepIlxRepType (FunTy l r)
1156 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1158 deepIlxRepType ty@(TyConApp tc tys)
1159 = -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1160 -- e.g. (# State#, Int#, Int# #) ===> (# Int#, Int# #)
1161 if isUnboxedTupleTyCon tc then
1162 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1165 _ -> mkTupleTy Unboxed (length tys') tys'
1167 TyConApp tc (map deepIlxRepType tys)
1168 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1169 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1170 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1171 deepIlxRepType (SourceTy p) = deepIlxRepType (sourceTypeRep p)
1172 deepIlxRepType ty@(TyVarTy tv) = ty
1174 idIlxRepType id = deepIlxRepType (idType id)
1176 --------------------------
1177 -- Some primitive type constructors are not thunkable.
1178 -- Everything else needs to be marked thunkable.
1179 ilxTypeL :: IlxEnv -> Type -> SDoc
1181 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1182 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1185 --------------------------
1186 -- Print non-thunkable version of type.
1189 ilxTypeR :: IlxEnv -> Type -> SDoc
1190 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1191 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1192 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))
1193 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1195 -- The following is a special rule for types constructed out of
1196 -- higher kinds, e.g. Monad f or Functor f.
1198 -- The code below is not as general as it should be, but as I
1199 -- have no idea if this approach will even work, I'm going to
1200 -- just try it out on some simple cases arising from the prelude.
1201 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1202 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1203 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1204 = ilxTypeR env (TyConApp tc t)
1205 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1207 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1208 -- is on the left of an arrow
1209 -- We could probably eliminate all but a final occurrence of these.
1210 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1211 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1212 ilxTypeR env (FunTy arg res)
1213 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1215 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1216 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1218 env' = extendIlxEnvWithFormalTyVars env [tv]
1220 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1221 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1222 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1224 ilxTypeR env (NoteTy _ ty)
1225 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1226 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1229 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1231 ilxTyConApp env tc args =
1232 case lookupUFM tyPrimConTable (getUnique tc) of
1233 Just f -> f args env
1235 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1236 env ((nameReference env (getName tc)) <> (ppr tc)) args
1238 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1239 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1241 -- Returns e.g: <Int32, Bool>
1242 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1244 pprTypeArgs_aux f env [] = empty
1245 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1248 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1249 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1250 -- plus a new environment with the type variables added.
1251 pprTyVarBinders env [] = empty
1252 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1254 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1255 pprTyVarBinder env tv =
1256 if isIlxTyVar tv then
1257 angleBrackets (pprTyVarBinder_aux env tv)
1259 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1260 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1261 ilxComment (text "omitted")
1262 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1265 pprTyVarBinder_aux env tv =
1266 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1267 ilxTypeR env (tyVarKind tv)) <+>
1268 (text "class [mscorlib]System.Object")
1270 -- Only a subset of Haskell types can be generalized using the type quantification
1273 ( h `eqKind` liftedTypeKind) ||
1274 ( h `eqKind` unliftedTypeKind) ||
1275 ( h `eqKind` openTypeKind)
1277 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1279 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1281 (tvs, vs) = partition isTyVar fvs
1282 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1284 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1286 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1288 pprId id = singleQuotes (ppr id)
1292 %************************************************************************
1296 %************************************************************************
1299 type IlxTyEnv = [TyVar]
1302 -- Nb. There is currently no distinction between the kinds of type variables.
1303 -- We may need to add this to print out correct numbers, esp. for
1305 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1306 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1307 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1309 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1310 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1312 data HowBound = Top Module -- Bound in a modules
1313 | Arg -- Arguments to the enclosing closure
1314 | CloVar Int -- A free variable of the enclosing closure
1315 -- The int is the index of the field in the
1317 | Local -- Local let binding
1319 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1320 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1321 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1322 type Place = (SDoc,SDoc)
1325 = go 0 (ilxEnvTyEnv env)
1328 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1329 <+> pprSepWithCommas
1330 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1331 (ilxEnvTyEnv env) <+> text "}")
1332 (char '!' <> pprId tv)
1334 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1335 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1338 emptyIlxEnv :: Bool -> Module -> IlxEnv
1339 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1341 nextPlace place sdoc = place <> sdoc
1342 usePlace place sdoc = place <> sdoc
1344 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1345 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1346 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1347 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1348 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1349 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1350 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1352 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1353 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1354 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1356 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1357 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1358 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1359 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1360 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1362 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1363 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1365 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1366 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1368 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1369 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1371 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1372 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1373 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1374 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1377 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1379 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1380 extendVarEnvList id_env (clovs 0 args),
1385 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1387 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1388 = IlxEnv (mod, tv_env, id_env,
1389 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1392 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1393 = IlxEnv (m, tv_env,
1394 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1395 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1397 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1398 = IlxEnv (m, tv_env,
1399 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1400 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1403 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1404 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1406 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1407 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1408 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1409 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1410 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1411 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1417 type IlxLabel = SDoc
1419 pprIlxLabel lbl = lbl
1421 mkJoinLabel :: Id -> IlxLabel
1422 mkJoinLabel v = text "J_" <> ppr v
1424 mkAltLabel :: Id -> Int -> IlxLabel
1425 mkAltLabel v n = text "A" <> int n <> ppr v
1427 ilxLabel :: IlxLabel -> SDoc
1428 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1432 %************************************************************************
1434 \subsection{Local pretty helper functions}
1436 %************************************************************************
1439 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1440 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1441 ilxComment pp = text "/*" <+> pp <+> text "*/"
1442 singleQuotes pp = char '\'' <> pp <> char '\''
1444 line = text "// ----------------------------------"
1446 hscOptionQual = text ".i_"
1449 | isLocalName n = empty
1450 | ilxEnvModule env == nameModule n = text ""
1451 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1452 -- HACK: no Vanilla modules should be around, but they are!! This
1453 -- gets things working for the scenario "standard library linked as one
1454 -- assembly with multiple modules + a one module program running on top of this"
1455 -- Same applies to all other mentions of Vailla modules in this file
1456 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1457 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1459 | otherwise = packageReference (modulePackage (nameModule n))
1461 packageReference p = brackets (singleQuotes (ppr p <> hscOptionQual))
1462 moduleNameReference m = brackets ((text ".module") <+> (singleQuotes (pprModuleName m <> hscOptionQual <> text "o")))
1464 moduleReference env m
1465 | ilxEnvModule env == m = text ""
1466 | isHomeModule m = moduleNameReference (moduleName m)
1468 | isVanillaModule m && not inPrelude = preludePackageReference
1469 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1471 | otherwise = packageReference (modulePackage m)
1473 preludePackageReference = packageReference preludePackage
1474 inPrelude = preludePackage == opt_InPackage
1476 ------------------------------------------------
1477 -- This code is copied from absCSyn/CString.lhs,
1478 -- and modified to do the correct thing! It's
1479 -- still a mess though. Also, still have to do the
1480 -- right thing for embedded nulls.
1482 pprFSInILStyle :: FAST_STRING -> SDoc
1483 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1485 stringToC :: String -> String
1486 -- Convert a string to the form required by C in a C literal string
1487 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1489 stringToC [c] = charToC c
1491 -- if we have something "octifiable" in "c", we'd better "octify"
1492 -- the rest of the string, too.
1493 = if (c < ' ' || c > '~')
1494 then (charToC c) ++ (concat (map char_to_C cs))
1495 else (charToC c) ++ (stringToC cs)
1497 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1499 | c == '\b' = "\\b" -- ToDo: chk some of these...
1504 | otherwise = '\\' : (trigraph (ord c))
1506 charToC :: Char -> String
1507 -- Convert a character to the form reqd in a C character literal
1508 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1521 else '\\' : (trigraph (ord c))
1523 trigraph :: Int -> String
1525 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1526 chr ((n `div` 10) `rem` 10 + ord '0'),
1527 chr (n `rem` 10 + ord '0')]
1532 %************************************************************************
1534 \subsection{PrimOps and Constructors}
1536 %************************************************************************
1539 ----------------------------
1540 -- Allocate a fresh constructor
1542 ilxConApp env data_con args
1543 | isUnboxedTupleCon data_con
1544 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1547 -- Collapse the construction of an unboxed tuple type where
1548 -- every element is zero-sized
1549 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1551 -- Minimize the construction of an unboxed tuple type, which
1552 -- may contain zero-sized elements. Recompute all the
1553 -- bits and pieces from the simpler case below for the new data
1554 -- type constructor....
1555 let data_con' = tupleCon Unboxed (length tm_args') in
1556 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1558 let tycon' = dataConTyCon data_con' in
1559 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1560 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1561 let formal_env' = formalIlxEnv env formal_tyvars' in
1563 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1564 sep [text "newobj void ",
1565 ilxTyConApp env tycon' rep_ty_args',
1567 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1571 -- Now all other constructions
1572 = -- Assume C :: forall a. a -> T a -> T a
1573 -- ldloc x arg of type Int
1574 -- ldloc y arg of type T Int
1575 -- newdata classunion T<Int32>, C(!0, T <!0>)
1577 let tycon = dataConTyCon data_con in
1578 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1579 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1581 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1582 sep [ text "newdata",
1583 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1584 nest 2 (ilxConRef env data_con)
1588 tycon = dataConTyCon data_con
1589 rep_ty_args = map deepIlxRepType ty_args
1590 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1592 -- Split some type arguments off, throwing away the higher kinded ones for the moment.
1593 -- Base the higher-kinded checks off a corresponding list of formals.
1594 splitTyArgs :: [Var] -- Formals
1595 -> [StgArg] -- Actuals
1596 -> ([Type], [StgArg])
1597 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1598 | isIlxTyVar htv = ((h:l), r)
1599 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1600 where (l,r) = splitTyArgs ttv t
1601 splitTyArgs _ l = ([],l)
1603 -- Split some type arguments off, where none should be higher kinded
1604 splitTyArgs1 :: [StgArg] -> ([Type], [StgArg])
1605 splitTyArgs1 (StgTypeArg ty : args) = (ty:tys, args')
1607 (tys, args') = splitTyArgs1 args
1608 splitTyArgs1 args = ([], args)
1610 ilxConRef env data_con
1611 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1613 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1614 (arg_tys, _) = splitFunTys tau_ty
1615 env' = formalIlxEnv env tyvars
1623 %************************************************************************
1625 \subsection{PrimOps and Prim Representations} *
1626 %************************************************************************
1630 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1633 type IlxTyFrag = IlxEnv -> SDoc
1634 ilxType s env = text s
1636 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1638 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1639 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1641 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1643 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1644 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1645 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1646 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1647 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1648 (charPrimTyConKey, (\_ -> repChar)),
1649 (wordPrimTyConKey, (\_ -> repWord)),
1650 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1651 (intPrimTyConKey, (\_ -> repInt)),
1652 (int64PrimTyConKey, (\_ -> repInt64)),
1653 (word64PrimTyConKey, (\_ -> repWord64)),
1654 (floatPrimTyConKey, (\_ -> repFloat)),
1655 (doublePrimTyConKey, (\_ -> repDouble)),
1656 -- These can all also accept unlifted parameter types so we explicitly lift.
1657 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1658 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1659 (weakPrimTyConKey, (\[ty] -> repWeak (ilxTypeL2 ty))),
1660 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1661 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1662 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1663 (threadIdPrimTyConKey, (\_ -> repThread)),
1664 (bcoPrimTyConKey, (\_ -> repBCO))
1667 ilxTypeL2 :: Type -> IlxTyFrag
1668 ilxTypeL2 ty env = ilxTypeL env ty
1669 ilxTypeR2 :: Type -> IlxTyFrag
1670 ilxTypeR2 ty env = ilxTypeR env ty
1672 ilxMethTyVarA = ilxType "!!0"
1673 ilxMethTyVarB = ilxType "!!1"
1674 prelGHCReference :: IlxTyFrag
1675 prelGHCReference env =
1676 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1677 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1678 else preludePackageReference
1680 prelBaseReference :: IlxTyFrag
1681 prelBaseReference env =
1682 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1683 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1684 else preludePackageReference
1686 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1687 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1688 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1689 repInt = ilxType "int32"
1690 repWord = ilxType "unsigned int32"
1691 repAddr =ilxType "/* Addr */ void *"
1692 repInt64 = ilxType "int64"
1693 repWord64 = ilxType "unsigned int64"
1694 repFloat = ilxType "float32"
1695 repDouble = ilxType "float64"
1696 repChar = ilxType "/* Char */ unsigned int8"
1697 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1698 repInteger = ilxUnboxedPairRep repInt repByteArray
1699 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1700 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1701 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1702 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1703 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1704 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1705 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1706 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1707 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1708 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1710 ilxTyPair l r = ilxTyParams [l,r]
1711 ilxTyTriple l m r = ilxTyParams [l,m,r]
1712 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1713 ilxUnboxedEmptyRep = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z0H"]
1714 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1715 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1716 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1718 ilxTyIO b = ilxTypeSeq [ilxType "(func ( /* unit skipped */ ) --> ", b, ilxType ")"]
1720 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1721 ilxTyParams [] env = empty
1722 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1724 ilxTyParamsAux [] env = empty
1725 ilxTyParamsAux [h] env = h env
1726 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1727 ilxTyParams [] env = empty
1730 type IlxOpFrag = IlxEnv -> SDoc
1731 ilxOp :: String -> IlxOpFrag
1732 ilxOp s env = text s
1733 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1734 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1736 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1737 ilxParams l env = parens (ilxParamsAux l env)
1739 ilxParamsAux [] env = empty
1740 ilxParamsAux [h] env = h env
1741 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1744 ilxMethodRef rty cls nm tyargs args =
1745 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1746 ilxTyParams tyargs,ilxParams args]
1748 ilxCall m = ilxOpSeq [ilxOp "call", m]
1750 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1751 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1753 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1755 ilxMkBool :: IlxOpFrag
1756 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1757 ilxOp "PrelBase_Bool",
1758 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1759 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1760 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1761 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1762 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1763 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1764 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1765 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1766 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1767 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1768 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1770 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1771 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1773 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1776 CharGtOp -> simp_op ilxCgt
1777 CharGeOp -> simp_op ilxCge
1778 CharEqOp -> simp_op ilxCeq
1779 CharNeOp -> simp_op ilxCne
1780 CharLtOp -> simp_op ilxClt
1781 CharLeOp -> simp_op ilxCle
1783 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1784 ChrOp -> simp_op (ilxOp "conv.u4")
1786 IntGtOp -> simp_op ilxCgt
1787 IntGeOp -> simp_op ilxCge
1788 IntEqOp -> simp_op ilxCeq
1789 IntNeOp -> simp_op ilxCne
1790 IntLtOp -> simp_op ilxClt
1791 IntLeOp -> simp_op ilxCle
1793 Narrow8IntOp -> simp_op (ilxOp"conv.i1")
1794 Narrow16IntOp -> simp_op (ilxOp "conv.i2")
1795 Narrow32IntOp -> simp_op (ilxOp "conv.i4")
1796 Narrow8WordOp -> simp_op (ilxOp "conv.u1")
1797 Narrow16WordOp -> simp_op (ilxOp "conv.u2")
1798 Narrow32WordOp -> simp_op (ilxOp "conv.u4")
1800 WordGtOp -> simp_op ilxCgtUn
1801 WordGeOp -> simp_op ilxCgeUn
1802 WordEqOp -> simp_op ilxCeq
1803 WordNeOp -> simp_op ilxCne
1804 WordLtOp -> simp_op ilxCltUn
1805 WordLeOp -> simp_op ilxCleUn
1807 AddrGtOp -> simp_op ilxCgt
1808 AddrGeOp -> simp_op ilxCge
1809 AddrEqOp -> simp_op ilxCeq
1810 AddrNeOp -> simp_op ilxCne
1811 AddrLtOp -> simp_op ilxClt
1812 AddrLeOp -> simp_op ilxCle
1814 FloatGtOp -> simp_op ilxCgt
1815 FloatGeOp -> simp_op ilxCge
1816 FloatEqOp -> simp_op ilxCeq
1817 FloatNeOp -> simp_op ilxCne
1818 FloatLtOp -> simp_op ilxClt
1819 FloatLeOp -> simp_op ilxCle
1821 DoubleGtOp -> simp_op ilxCgt
1822 DoubleGeOp -> simp_op ilxCge
1823 DoubleEqOp -> simp_op ilxCeq
1824 DoubleNeOp -> simp_op ilxCne
1825 DoubleLtOp -> simp_op ilxClt
1826 DoubleLeOp -> simp_op ilxCle
1828 -- Int#-related ops:
1829 IntAddOp -> simp_op (ilxOp "add")
1830 IntSubOp -> simp_op (ilxOp "sub")
1831 IntMulOp -> simp_op (ilxOp "mul")
1832 IntQuotOp -> simp_op (ilxOp "div")
1833 IntNegOp -> simp_op (ilxOp "neg")
1834 IntRemOp -> simp_op (ilxOp "rem")
1837 AddrNullOp -> simp_op (ilxOp "pop ldnull")
1838 AddrAddOp -> simp_op (ilxOp "add")
1839 AddrSubOp -> simp_op (ilxOp "sub")
1840 AddrRemOp -> simp_op (ilxOp "rem")
1841 Int2AddrOp -> warn_op "int2Addr" (simp_op (ilxOp "/* PrimOp int2Addr */ "))
1842 Addr2IntOp -> warn_op "addr2Int" (simp_op (ilxOp "/* PrimOp addr2Int */ "))
1844 -- Word#-related ops:
1845 WordAddOp -> simp_op (ilxOp "add")
1846 WordSubOp -> simp_op (ilxOp "sub")
1847 WordMulOp -> simp_op (ilxOp "mul")
1848 WordQuotOp -> simp_op (ilxOp "div")
1849 WordRemOp -> simp_op (ilxOp "rem")
1851 ISllOp -> simp_op (ilxOp "shl")
1852 ISraOp -> simp_op (ilxOp "shr")
1853 ISrlOp -> simp_op (ilxOp "shr.un")
1854 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1855 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1856 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1857 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1860 -- Word#-related ops:
1861 AndOp -> simp_op (ilxOp "and")
1862 OrOp -> simp_op (ilxOp "or")
1863 NotOp -> simp_op (ilxOp "not")
1864 XorOp -> simp_op (ilxOp "xor")
1865 SllOp -> simp_op (ilxOp "shl")
1866 SrlOp -> simp_op (ilxOp "shr")
1867 Word2IntOp -> simp_op (ilxOp "conv.i4")
1868 Int2WordOp -> simp_op (ilxOp "conv.u4")
1870 -- Float#-related ops:
1871 FloatAddOp -> simp_op (ilxOp "add")
1872 FloatSubOp -> simp_op (ilxOp "sub")
1873 FloatMulOp -> simp_op (ilxOp "mul")
1874 FloatDivOp -> simp_op (ilxOp "div")
1875 FloatNegOp -> simp_op (ilxOp "neg")
1876 Float2IntOp -> simp_op (ilxOp "conv.i4")
1877 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1879 DoubleAddOp -> simp_op (ilxOp "add")
1880 DoubleSubOp -> simp_op (ilxOp "sub")
1881 DoubleMulOp -> simp_op (ilxOp "mul")
1882 DoubleDivOp -> simp_op (ilxOp "div")
1883 DoubleNegOp -> simp_op (ilxOp "neg")
1884 Double2IntOp -> simp_op (ilxOp "conv.i4")
1885 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1886 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1887 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1888 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1889 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1891 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1892 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1893 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1894 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1895 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1896 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1897 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1898 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1899 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1900 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1901 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1902 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1903 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1905 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1906 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1907 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1909 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1910 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1911 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1913 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1914 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1915 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1917 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1918 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1919 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1921 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1923 -- Integer (and related...) ops: bail out to support routines
1924 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1925 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1926 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1927 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1928 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1929 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1930 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1931 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1932 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1933 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1934 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1935 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1936 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1937 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1938 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1939 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1940 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1941 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1942 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1943 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1944 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1945 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1946 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1947 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1951 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1952 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1953 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1954 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1955 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1956 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1957 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1958 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1959 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1960 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1961 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1962 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1963 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1964 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1965 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1966 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1968 {- should be monadic??? -}
1969 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1970 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1971 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1972 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1973 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1974 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1975 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1976 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1977 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1978 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1979 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1980 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1981 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1982 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1983 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1984 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1985 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1986 {- ByteArr# -> Int# -> Char# -}
1989 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1990 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1991 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1992 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1993 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1994 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1995 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1996 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1997 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1998 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1999 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
2000 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
2001 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
2002 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
2003 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
2004 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
2005 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
2007 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2008 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2009 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2010 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2011 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2012 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2013 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2014 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2015 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2016 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2017 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2018 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2019 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2020 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2021 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2022 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
2024 -- ForeignObj: load the address inside the object first
2025 -- TODO: is this remotely right?
2026 EqForeignObj -> warn_op "eqForeignObj" (simp_op (ilxOp "pop /* PrimOp eqForeignObj */ "))
2027 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2028 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
2029 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2030 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2031 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
2032 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
2033 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
2034 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
2035 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
2036 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
2037 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2038 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
2039 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2040 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
2041 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2042 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
2044 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2045 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2046 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2047 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2048 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2049 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2050 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2051 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2052 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2053 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2054 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2055 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2056 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2057 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2058 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2059 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2060 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2062 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2063 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2064 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2065 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2066 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2067 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2068 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2069 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"])
2070 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2071 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2072 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2073 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2074 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2075 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2076 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2077 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2078 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2079 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2081 {- should be monadic??? -}
2082 NewPinnedByteArrayOp_Char -> warn_op "newPinnedByteArray" (simp_op (ilxOp "newarr [mscorlib]System.Byte "))
2083 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2084 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2085 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2086 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2087 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2088 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2089 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2090 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2091 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2092 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2093 ByteArrayContents_Char -> warn_op "byteArrayContents" (simp_op ilxAddrOfByteArrOp)
2095 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2096 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2097 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2098 {- ByteArr# -> Int# -}
2100 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2101 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2102 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2103 {- MutByteArr# s -> Int# -}
2105 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2106 {- MutVar# s a -> MutVar# s a -> Bool -}
2107 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2108 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2109 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2110 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2111 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2112 {- MutVar# s a -> a -> State# s -> State# s -}
2114 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethTyVarA])
2115 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2116 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2117 {- Array# a -> Int# -> (# a #) -}
2118 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2119 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2120 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2121 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2122 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2123 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2124 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2125 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2127 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2128 {- MutArr# s a -> MutArr# s a -> Bool -}
2131 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2132 CatchOp -> ty2_op (\ty1 ty2 ->
2133 ilxCallSuppMeth ilxMethTyVarA "'catch'" [ty1,ty2] [ilxLift (ilxTyIO (ilxType "!!0")),
2134 ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2135 {- (State# RealWorld -> (# State# RealWorld, a #) )
2136 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2138 -> (# State# RealWorld, a #)
2141 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2142 ilxCallSuppMeth ilxMethTyVarA "blockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2144 {- (State# RealWorld -> (# State# RealWorld, a #))
2145 -> (State# RealWorld -> (# State# RealWorld, a #))
2148 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2149 ilxCallSuppMeth ilxMethTyVarA "unblockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2152 State# RealWorld -> (# State# RealWorld, a #))
2153 -> (State# RealWorld -> (# State# RealWorld, a #))
2156 NewMVarOp -> ty2_op (\sty ty ->
2157 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2158 {- State# s -> (# State# s, MVar# s a #) -}
2160 TakeMVarOp -> ty2_op (\sty ty ->
2161 ilxCallSuppMeth ilxMethTyVarA "takeMVar" [ty] [repMVar ilxMethTyVarA])
2162 {- MVar# s a -> State# s -> (# State# s, a #) -}
2164 -- These aren't yet right
2165 TryTakeMVarOp -> ty2_op (\sty ty ->
2166 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA])
2167 {- MVar# s a -> State# s -> (# State# s, a #) -}
2169 TryPutMVarOp -> ty2_op (\sty ty ->
2170 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethTyVarA,ilxMethTyVarA])
2171 {- MVar# s a -> State# s -> (# State# s, a #) -}
2173 PutMVarOp -> ty2_op (\sty ty ->
2174 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethTyVarA, ilxMethTyVarA])
2175 {- MVar# s a -> a -> State# s -> State# s -}
2177 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2178 {- MVar# s a -> MVar# s a -> Bool -}
2180 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2181 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA]))
2182 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2184 IsEmptyMVarOp -> ty2_op (\sty ty ->
2185 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethTyVarA])
2186 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2188 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2191 DataToTagOp -> ty1_op (\ty1 ->
2192 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethTyVarA])
2195 TagToEnumOp -> ty1_op (\ty1 ->
2196 ilxCallSuppMeth ilxMethTyVarA "tagToEnum" [ty1] [repInt])
2199 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2200 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2201 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2202 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2204 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2205 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2206 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2207 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2209 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2210 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2212 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2213 {- StablePtr# a -> StablePtr# a -> Int# -}
2215 -- The 3rd argument to MkWeakOp is always a IO Monad action, i.e. passed as () --> ()
2216 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethTyVarB) classWeak "bake" [ilxLift ty1,ilxLift ty2] [ilxMethTyVarA, ilxMethTyVarB, ilxLift (ilxTyIO ilxUnboxedEmptyRep)]))
2217 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2219 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethTyVarA) classWeak "deref" [ty1] [repWeak ilxMethTyVarA]))
2220 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxTyIO ilxUnboxedEmptyRep)) classWeak "finalizer" [ty1] [repWeak ilxMethTyVarA]))
2221 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2222 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2224 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2225 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2226 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2227 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2228 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2229 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2230 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2231 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2233 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2234 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2235 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2236 {- Int# -> State# s -> State# s -}
2238 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2239 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2240 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2241 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2242 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2243 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2244 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2245 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2246 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2247 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2248 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2250 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2251 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2252 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2253 _ -> pprPanic "Unimplemented primop" (ppr op)
2256 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2257 ty1_op op ((StgTypeArg ty1):rest) =
2258 ilxOpSeq [getArgsStartingAt 1 rest,
2259 op (ilxTypeR2 (deepIlxRepType ty1))]
2261 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2262 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2263 ilxOpSeq [getArgsStartingAt 2 rest,
2264 op (ilxTypeR2 (deepIlxRepType ty1))
2265 (ilxTypeR2 (deepIlxRepType ty2))]
2267 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2268 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2269 ilxOpSeq [getArgsStartingAt 3 rest,
2270 op (ilxTypeR2 (deepIlxRepType ty1))
2271 (ilxTypeR2 (deepIlxRepType ty2))
2272 (ilxTypeR2 (deepIlxRepType ty3))]
2274 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2275 arg2_op op [a1, a2] =
2279 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2280 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2281 op (ilxTypeR2 (deepIlxRepType ty1))
2285 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2286 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2287 op (ilxTypeR2 (deepIlxRepType ty1))
2293 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2294 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2295 op (ilxTypeR2 (deepIlxRepType ty1))
2296 (ilxTypeR2 (deepIlxRepType ty2))
2304 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2305 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2307 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2308 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2309 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2312 %************************************************************************
2314 \subsection{C Calls}
2316 %************************************************************************
2319 -- Call the P/Invoke stub wrapper generated in the import section.
2320 -- We eliminate voids in and around an IL C Call.
2321 -- We also do some type-directed translation for pinning Haskell-managed blobs
2322 -- of data as we throw them across the boundary.
2323 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc)) args ret_ty
2324 = ilxComment ((text "C call") <+> pprCLabelString c) <+>
2325 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2326 text "call" <+> retdoc <+> pprCLabelString c <+> tyarg_doc
2327 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2329 retdoc | isVoidIlxRepType ret_ty = text "void"
2330 | otherwise = ilxTypeR env (deepIlxRepType ret_ty)
2331 (ty_args,tm_args) = splitTyArgs1 args
2332 tyarg_doc | not (isEmptyVarSet (tyVarsOfTypes ty_args)) = text "/* type variable found */"
2333 | otherwise = pprTypeArgs ilxTypeR env ty_args
2335 ilxFCall env (DNCall (DNCallSpec call_instr)) args ret_ty
2336 = ilxComment (text "IL call") <+>
2337 vcat [vcat (ilxMapPlaceArgs 0 pushEvalArg env tm_args),
2339 -- In due course we'll need to pass the type arguments
2340 -- and to do that we'll need to have more than just a string
2344 (ty_args,tm_args) = splitTyArgs1 args
2346 -- Push and argument and force its evaluation if necessary.
2347 pushEvalArg _ (StgTypeArg _) = empty
2348 pushEvalArg env (StgVarArg arg) = ilxFunApp env arg [] False
2349 pushEvalArg env (StgLitArg lit) = pushLit env lit
2352 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2353 hasTyCon _ _ = False
2355 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2356 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2358 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2359 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2361 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2363 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2364 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2365 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2366 pushCArg env arg | otherwise = pushArg env arg
2368 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2369 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2370 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2371 pprCValArgTy f env ty | otherwise = f env ty
2374 foldR :: (a -> b -> b) -> [a] -> b -> b
2376 -- foldR f (x:xs) z = f x (foldR f xs z)
2377 {-# INLINE foldR #-}
2378 foldR k xs z = go xs
2381 go (y:ys) = y `k` go ys