2 \section{Generate .NET extended IL}
5 module IlxGen( ilxGen ) where
7 #include "HsVersions.h"
9 import Char ( ord, chr )
11 import Id ( idType, idName, isDeadBinder, idArity )
12 import Var ( Var, Id, TyVar, isId, isTyVar, tyVarKind, tyVarName )
14 import VarSet ( isEmptyVarSet )
15 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
16 tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
18 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
19 isUnLiftedType, isTyVarTy, mkTyVarTy, sourceTypeRep,
20 splitForAllTys, splitFunTys, applyTy, applyTys, eqKind, tyVarsOfTypes
22 import TypeRep ( Type(..) )
23 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys, DataCon(..) )
24 import Literal ( Literal(..) )
25 import PrelNames -- Lots of keys
26 import PrimOp ( PrimOp(..) )
27 import ForeignCall ( CCallConv(..), ForeignCall(..), CCallSpec(..), CCallTarget(..), DNCallSpec(..) )
28 import TysWiredIn ( mkTupleTy, tupleCon )
29 import PrimRep ( PrimRep(..) )
30 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
31 import Subst ( substTyWith )
33 import Module ( Module, PackageName, ModuleName, moduleName,
34 modulePackage, preludePackage,
35 isHomeModule, isVanillaModule,
36 pprModuleName, mkHomeModule, mkModuleName
40 import BasicTypes ( Boxity(..) )
41 import CStrings ( CLabelString, pprCLabelString )
44 import List ( partition, elem, insertBy,any )
46 import PprType ( pprType ) -- Only called in debug messages
48 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
50 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
51 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
52 -- names when this is set (because that's clue that -O was set).
53 -- One day this will be configured by the command line.
54 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
60 %************************************************************************
62 \subsection{Main driver}
64 %************************************************************************
67 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
68 -- The TyCons should include those arising from classes
69 ilxGen mod tycons binds_w_srts
70 = vcat [ text ".module '" <> (ppr (moduleName mod)) <> hscOptionQual <> text "o'",
71 text ".assembly extern 'mscorlib' {}",
72 vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
73 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
74 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
75 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
76 vcat (map (ilxTyCon topenv) data_tycons),
77 vcat (map (ilxBindClosures topenv) binds),
78 ilxTopBind mod topenv toppairs
81 binds = map fst binds_w_srts
82 toppairs = ilxPairs binds
83 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
84 -- Generate info from class decls as well
85 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
86 data_tycons = filter isDataTyCon tycons
89 %************************************************************************
91 \subsection{Find Imports}
93 %************************************************************************
97 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo -> ImportsInfo
98 importsBinds env binds = foldR (importsBind env) binds
100 importsNone :: ImportsInfo -> ImportsInfo
101 importsNone sofar = sofar
103 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
104 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
105 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
107 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
108 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
109 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
111 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
112 importsExpr env (StgLit _) = importsNone
113 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
114 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
115 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _)) _) args rty)
116 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
118 (ty_args,tm_args) = splitTyArgs1 args
120 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
123 importsExpr env (StgSCC _ expr) = importsExpr env expr
124 importsExpr env (StgCase scrut _ _ bndr _ alts)
125 = importsExpr env scrut. imports_alts alts. importsVar env bndr
127 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
128 -- by the case-binder's type
129 = foldR imports_alg_alt alg_alts . imports_deflt deflt
131 imports_alg_alt (con, bndrs, _, rhs)
132 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
134 imports_alts (StgPrimAlts _ alg_alts deflt)
135 = foldR imports_prim_alt alg_alts . imports_deflt deflt
137 imports_prim_alt (_, rhs) = importsExpr env rhs
138 imports_deflt StgNoDefault = importsNone
139 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
142 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
143 importsExpr env (StgLet bind body)
144 = importsBind env bind . importsExpr env body
146 importsApp env v args = importsVar env v. importsStgArgs env args
147 importsStgArgs env args = foldR (importsStgArg env) args
149 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
150 importsStgArg env (StgTypeArg ty) = importsType env ty
151 importsStgArg env (StgVarArg v) = importsVar env v
152 importsStgArg env _ = importsNone
154 importsVars env vs = foldR (importsVar env) vs
155 importsVar env v = importsName env (idName v). importsType env (idType v)
158 | isLocalName n = importsNone
159 | ilxEnvModule env == nameModule n = importsNone
160 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
162 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
163 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
165 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
168 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
169 | otherwise = addPackageImpInfo preludePackage
172 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
173 importsType env ty = importsType2 env (deepIlxRepType ty)
175 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
176 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
177 importsType2 env (TyVarTy _) = importsNone
178 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
179 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
180 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
181 importsType2 env (NoteTy _ ty) = importsType2 env ty
182 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
183 importsTypeArgs2 env tys = foldR (importsType2 env) tys
185 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
187 importsTyCon env tc | (not (isDataTyCon tc) ||
188 isLocalName (getName tc) ||
189 ilxEnvModule env == nameModule (getName tc)) = importsNone
190 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc .
191 foldR (importsTyConDataCon env) (tyConDataCons tc)
194 importsTyConDataCon :: IlxEnv -> DataCon -> ImportsInfo -> ImportsInfo
195 importsTyConDataCon env dcon = foldR (importsTyConDataConType env) (filter (not . isVoidIlxRepType) (dataConRepArgTys dcon))
197 importsTyConDataConType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
198 importsTyConDataConType env ty = importsTyConDataConType2 env (deepIlxRepType ty)
200 importsTyConDataConType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
201 importsTyConDataConType2 env (AppTy f x) = importsTyConDataConType2 env f . importsTyConDataConType2 env x
202 importsTyConDataConType2 env (TyVarTy _) = importsNone
203 importsTyConDataConType2 env (TyConApp tc args) = importsTyConDataConTypeTyCon env tc . importsTyConDataConTypeArgs2 env args
204 importsTyConDataConType2 env (FunTy arg res) = importsTyConDataConType env arg . importsTyConDataConType2 env res
205 importsTyConDataConType2 env (ForAllTy tv body_ty) = importsTyConDataConType2 env body_ty
206 importsTyConDataConType2 env (NoteTy _ ty) = importsTyConDataConType2 env ty
207 importsTyConDataConType2 _ _ = panic "IlxGen.lhs: importsTyConDataConType2 ty"
208 importsTyConDataConTypeArgs2 env tys = foldR (importsTyConDataConType2 env) tys
210 importsTyConDataConTypeTyCon env tc | (not (isDataTyCon tc) ||
211 isLocalName (getName tc) ||
212 ilxEnvModule env == nameModule (getName tc)) = importsNone
213 importsTyConDataConTypeTyCon env tc | otherwise = importsName env (getName tc)
216 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
217 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
218 -- (Packages, Modules, Datatypes, Imported CCalls)
220 emptyImpInfo :: ImportsInfo
221 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
222 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
223 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
224 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
225 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
227 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
228 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
229 ilxImportTyCon _ _ | otherwise = empty
231 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
232 ilxImportPackage _ p = text ".assembly extern" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
234 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
235 ilxImportModule _ m = text ".module extern" <+> singleQuotes (ppr m <> hscOptionQual <> text "o")
237 -- Emit a P/Invoke declaration for the imported C function
238 -- TODO: emit the right DLL name
239 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
240 ilxImportCCall env (c,cc,args,ret) =
241 text ".method static assembly pinvokeimpl" <+>
242 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
243 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
244 text "unmanaged preservesig { }"
247 if isVoidIlxRepType ret then text "void"
248 else ilxTypeR env (deepIlxRepType ret)
253 %************************************************************************
255 \subsection{Type declarations}
257 %************************************************************************
262 ilxTyCon :: IlxEnv -> TyCon -> SDoc
263 ilxTyCon env tycon = ilxTyConDef False env tycon
265 -- filter to get only dataTyCons?
266 ilxTyConDef importing env tycon =
268 text ".classunion" <+> (if importing then text "import" else empty) <+> tycon_ref <+> tyvars_text <+> super_text <+> alts_text]
270 tycon_ref = nameReference env (getName tycon) <> (ppr tycon)
271 super_text = if importing then empty else text "extends thunk" <> angleBrackets (text "class" <+> tycon_ref)
272 tyvars = tyConTyVars tycon
273 (ilx_tvs, _) = categorizeTyVars tyvars
274 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
275 tyvars_text = pprTyVarBinders alts_env ilx_tvs
276 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
277 alts_text = nest 2 (braces alts)
279 pprIlxDataCon env dcon =
280 text ".alternative" <+> pprId dcon <+>
281 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
285 %************************************************************************
287 \subsection{Getting the .closures and literals out} *
288 %************************************************************************
292 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
293 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
294 ilxBindClosures env (StgRec _ pairs)
295 = vcat (map (ilxRhsClosures new_env) pairs)
297 new_env = extendIlxEnvWithBinds env pairs
300 ilxRhsClosures _ (_, StgRhsCon _ _ _)
303 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
304 = vcat [ilxExprClosures next_env rhs,
307 kind_text <+> singleQuotes cloname <+> free_vs_text,
310 vcat [text ".apply" <+> closure_sig_text,
318 kind_of_thing = case upd of
319 Updatable -> ASSERT( null args ) ".thunk"
320 otherwise -> ".closure"
321 kind_text = text kind_of_thing
323 cloname = ilxEnvQualifyByModule env (ppr bndr)
324 next_env = ilxPlaceStgRhsClosure env bndr
325 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
332 otherwise -> args_text),
333 text "-->" <+> rty_text]
335 (args_text,env_with_args) = pprArgBinders env_with_fvs args
337 -- Find the type returned, from the no. of args and the type of "bndr"
339 case retType env_with_fvs (idIlxRepType bndr) args of
341 if isVoidIlxRepType ty then (text "void")
343 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))
345 -- strip off leading ForAll and Fun type constructions
346 -- up to the given number of arguments, extending the environment as
348 retType env ty [] = Just (env, ty)
349 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
350 retType env (FunTy l r) (arg:args) = retType env r args
351 retType _ _ _ = Nothing
353 -- Code for the local variables
354 locals = ilxExprLocals env_with_args rhs
356 env_with_locals = extendIlxEnvWithLocals env_with_args locals
358 -- Code for the body of the main apply method
359 body_code = vcat [empty,
360 pprIlxLocals env_with_args locals,
361 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
365 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
368 pprIlxLocals env [] = empty
370 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
372 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
373 nonVoidLocal _ = True
375 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
376 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
379 pprFreeBinders env fvs
380 = (ilx_tvs_text <+> vs_text, env2)
382 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
383 real_free_vs = filter (not . isVoidIlxRepId) free_vs
384 -- ignore the higher order type parameters for the moment
385 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
386 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
387 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
388 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
389 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
391 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
393 -- Declarations for the arguments of the main apply method
394 pprArgBinders env [] = (empty,env)
395 pprArgBinders env (arg:args)
396 = (arg_text <+> rest_text, res_env)
398 (arg_text,env') = pprArgBinder env arg
399 (rest_text,res_env) = pprArgBinders env' args
401 -- We could probably omit some void argument binders, but
404 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
406 = if isTyVar arg then
407 let env' = extendIlxEnvWithTyArgs env [arg] in
408 (pprTyVarBinder env' arg, env')
409 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
412 -- Compute local variables used by generated method.
413 -- The names of some generated locals are recorded as SDocs.
415 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
417 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
418 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
419 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
420 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
421 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
422 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
423 ilxAltsLocals env alts
424 ilxExprLocals env (StgOpApp (StgFCallOp fcall _) args _)
425 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
426 ilxExprLocals _ _ = []
428 -- Generate locals to use for pinning arguments as we cross the boundary
430 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
431 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
432 ilxCCallArgLocals _ _ | otherwise = []
434 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
435 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
437 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
438 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
440 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
441 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
443 ilxDefltLocals _ StgNoDefault = []
444 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
447 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
448 ilxExprClosures env (StgApp _ args)
449 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
450 ilxExprClosures env (StgConApp _ args)
451 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
452 ilxExprClosures env (StgOpApp _ args _)
453 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
454 ilxExprClosures env (StgLet bind body)
455 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
456 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
457 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
458 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
459 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
460 ilxExprClosures env (StgLit lit)
465 ilxAltsClosures env (StgAlgAlts _ alts deflt)
466 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
468 ilxDefltClosures env deflt
470 ilxAltsClosures env (StgPrimAlts _ alts deflt)
471 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
473 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
475 ilxDefltClosures env deflt
477 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
478 ilxDefltClosures _ StgNoDefault = empty
480 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
481 ilxArgClosures _ _ = empty
485 ilxGenLit env (MachStr fs)
486 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
487 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
490 nm = ilxEnvQualifyByExact env (text "string")
492 ilxGenLit _ _ = empty
497 %************************************************************************
499 \subsection{Generating code}
501 %************************************************************************
506 -- Environment when generating expressions
507 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
509 data Sequel = Return | Jump IlxLabel
511 ilxSequel Return = text "ret"
512 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
514 isReturn Return = True
515 isReturn (Jump _) = False
518 ilxExpr :: IlxEEnv -> StgExpr
519 -> Sequel -- What to do at the end
522 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
523 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
525 -- ilxExpr eenv (StgLit lit) sequel
526 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
527 = pushLit env lit $$ ilxSequel sequel
529 -- ilxExpr eenv (StgConApp data_con args) sequel
530 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
531 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
533 -- ilxExpr eenv (StgPrimApp primop args _) sequel
534 ilxExpr (IlxEEnv env _) (StgOpApp (StgFCallOp fcall _) args ret_ty) sequel
535 = ilxFCall env fcall args ret_ty $$ ilxSequel sequel
537 ilxExpr (IlxEEnv env _) (StgOpApp (StgPrimOp primop) args ret_ty) sequel
538 = ilxPrimOpTable primop args env $$ ilxSequel sequel
541 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
542 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
543 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
544 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
545 = ilxExpr eenv rhs sequel
546 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
547 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
548 = ilxExpr eenv rhs sequel
551 ilxExpr eenv (StgLet bind body) sequel
552 = ilxBind eenv bind $$ ilxExpr eenv body sequel
555 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
556 = ilxBind eenv bind $$ ilxExpr eenv body sequel
558 -- StgCase: Special case 1 to avoid spurious branch.
559 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
560 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
561 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
562 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
563 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
564 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
567 -- StgCase: Special case 2 to avoid spurious branch.
568 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgOpApp (StgPrimOp primop) args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
569 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
570 ilxPrimOpTable primop args (ilxPlaceStgCaseScrut env),
571 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
572 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
573 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
576 -- StgCase: Normal case.
577 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
578 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
579 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
581 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
582 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
583 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
586 join_lbl = mkJoinLabel bndr
589 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
592 -- Wipe out locals and arguments that are no longer in use, to
593 -- prevent space leaks. If the VM is implemented 100% correctly then
594 -- this should probably not be needed, as the live variable analysis
595 -- in the JIT would tell the GC that these locals and arguments are
596 -- no longer live. However I'm putting it in here so we can
597 -- check out if it helps.
599 -- Also, in any case this doesn't capture everything we need. e.g.
600 -- when making a call:
602 -- where x is not used in the alternatives, then the variable x
603 -- is no longer live from the point it is transferred to the call
604 -- onwards. We should expunge "live_in_case - live_in_alts" right
605 -- before making the call, not after returning from the call....
607 -- Strictly speaking we also don't need to do this for primitive
608 -- values such as integers and addresses, i.e. things not
609 -- mapped down to GC'able objects.
611 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
614 = case lookupIlxVarEnv env id of
615 Just Local -> text "ldloca " <+> pprId id <+> text "initobj.any" <+> (ilxTypeL env (idIlxRepType id))
616 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
617 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
618 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
622 ----------------------
624 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
625 ilxAlts (IlxEEnv env live) bndr alts sequel
626 -- At the join label, the result is on top
628 = vcat [store_in_bndr,
629 do_case_analysis alts
632 scrut_rep_ty = deepIlxRepType (idType bndr)
634 store_in_bndr | isDeadBinder bndr = empty
635 | isVoidIlxRepId bndr
636 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
637 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
639 do_case_analysis (StgAlgAlts _ [] deflt)
642 do_case_analysis (StgAlgAlts _ args deflt)
643 = do_alg_alts ([1..] `zip` args) deflt
645 do_case_analysis (StgPrimAlts _ alts deflt)
646 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
648 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
649 -- Collapse the analysis of unboxed tuples where
650 -- some or all elements are zero-sized
652 -- TO DO: add bndrs to set of live variables
654 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
655 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
657 bndrs' = filter (not. isVoidIlxRepId) bndrs
658 -- Replacement unboxed tuple type constructor, used if any of the
659 -- arguments have zero-size and more than one remains.
660 dcon' = tupleCon Unboxed (length bndrs')
662 alt_env = IlxEEnv (ilxPlaceAlt env i) live
663 --alt_env = IlxEEnv (ilxPlaceAlt env i)
665 bind_collapse [] _ = panic "bind_collapse: unary element not found"
666 bind_collapse (h:t) (is_used:used_flags)
667 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
668 | not is_used = ilxComment (text "not used") <+> text "pop"
669 | otherwise = text "stloc" <+> pprId h
672 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
673 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
674 ilxConRef env data_con],
675 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
678 do_alg_alts alts deflt
679 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
680 pprSepWithCommas pp_case labels_w_alts],
682 vcat (map do_labelled_alg_alt labels_w_alts)
685 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
686 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
688 do_prim_alts [] = empty
689 do_prim_alts ((i, (lit,alt)) : alts)
690 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
691 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
692 ilxLabel lbl, do_prim_alts alts]
694 lbl = mkAltLabel bndr i
696 do_labelled_alg_alt (i,(lbl, alt))
697 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
699 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
700 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
704 bind_components alt_eenv data_con [] n _ = empty
705 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
707 -- don't increase the count in this case
708 = ilxComment (text "zero-rep binding eliminated")
709 <+> bind_components alt_eenv data_con t n used_flags
711 = bind_component alt_eenv data_con h is_used n
712 <+> bind_components alt_eenv data_con t (n + 1) used_flags
714 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
716 = ilxComment (text "not used")
717 | isVoidIlxRepId bndr
718 = ilxComment (text "ignoring bind of zero-rep variable")
719 | otherwise = vcat [text "dup",
720 ld_data alt_env data_con reduced_fld_no bndr,
721 text "stloc" <+> pprId bndr]
723 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
724 do_deflt StgNoDefault = empty
727 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
728 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
730 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
732 ld_data alt_env data_con reduced_fld_no bndr
733 | isUnboxedTupleCon data_con
734 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
735 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
737 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
738 ilxConRef env data_con <> comma,
739 integer reduced_fld_no]
742 -------------------------
748 -- Constants of unlifted types are represented as
749 -- applications to no arguments.
750 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
753 ilxFunApp env fun args tail_call
755 -- ldloc f function of type forall a. a->a
756 -- ldloc x arg of type Int
757 -- .tail callfunc <Int32> (!0) --> !0
759 vcat [pushId env fun,ilxFunAppAfterPush env fun args tail_call]
761 ilxFunAppAfterPush env fun args tail_call
763 -- ldloc f function of type forall a. a->a
764 -- ldloc x arg of type Int
765 -- .tail callfunc <Int32> (!0) --> !0
767 vcat [ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
769 known_clo :: KnownClosure
771 case lookupIlxBindEnv env fun of
772 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
773 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
774 _ -> Nothing -- trace (show fun ++ " --> " ++ show (idArity fun))
776 type KnownClosure = Maybe ( IlxEnv -- Of the binding site of the function
779 , [Var]) -- Free vars of the closure
781 -- Push as many arguments as ILX allows us to in one go, and call the function
782 -- Recurse until we're done.
783 -- The function is already on the stack
784 ilxFunAppArgs :: IlxEnv
785 -> Int -- Number of args already pushed (zero is a special case;
786 -- otherwise used only for place generation)
787 -> Type -- Type of the function
788 -> [StgArg] -- The arguments
789 -> Bool -- True <=> tail call please
790 -> KnownClosure -- Information about the function we're calling
793 ilxFunAppArgs env num_sofar funty args tail_call known_clo
794 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
795 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
805 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
808 | isVoidIlxRepType later_ty = text "void"
809 | otherwise = ilxTypeR env_after_now_tyvs later_ty
811 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
813 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
814 _ -> get_term_args 0 ilxBestTermArity args env funty
816 -- Only apply up to maxArity real (non-type) arguments
817 -- at a time. ILX should, in principle, allow us to apply
818 -- arbitrary numbers, but you will get more succinct
819 -- (and perhaps more efficient) IL code
820 -- if you apply in clumps according to its maxArity setting.
821 -- This is because it has to unwind the stack and store it away
822 -- in local variables to do the partial applications.
824 -- Similarly, ILX only allows one type application at a time, at
825 -- least until we implement unwinding the stack for this case.
827 -- NB: In the future we may have to be more careful
828 -- all the way through
829 -- this file to bind type variables as we move through
830 -- type abstractions and "forall" types. This would apply
831 -- especially if the type variables were ever bound by expressions
832 -- involving the type variables.
834 -- This part strips off at most "max" term applications or one type application
835 get_type_args 0 args env funty = ([],[],env,args,funty)
836 get_type_args max args env (NoteTy _ ty) =
837 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
838 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
839 = if isIlxTyVar tv then
840 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
841 let rest_ty = deepIlxRepType (substTyWith [tv] [v] rem_funty) in
842 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
843 let arg_ty = mkTyVarTy tv in
844 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
846 get_type_args max rest env rem_funty -- ? subst??
847 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
848 get_type_args _ args env funty = ([],[],env,args,funty)
850 get_term_args n max args env (NoteTy _ ty)
852 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
853 get_term_args n 0 args env funty
854 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
855 = ([],[],env,args,funty)
856 get_term_args n max args env funty
858 Just (_,_,needed,_) -> needed `lengthIs` n
860 -- Stop if we have the optimal number for a direct call
861 = ([],[],env,args,funty)
862 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
863 -- Stop if we hit a type arg.
864 = ([],[],env,args,funty)
865 get_term_args n max (h:t) env (FunTy dom ran)
867 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
868 (h:now, (h,dom):now_tys,env2,later,later_ty)
869 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)
870 get_term_args _ max args env funty = ([],[],env,args,funty)
872 -- Are there any remaining arguments?
873 done = case later_args of
877 -- If so, generate the subsequent calls.
878 later = if done then text "// done"
879 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
881 -- Work out whether to issue a direct call a known closure (callclo) or
882 -- an indirect call (callfunc). Basically, see if the identifier has
883 -- been let-bound, and then check we are applying exactly the right
884 -- number of arguments. Also check that it's not a thunk (actually, this
885 -- is done up above).
887 -- The nasty "all" check makes sure that
888 -- the set of type variables in scope at the callsite is a superset
889 -- of the set of type variables needed for the direct call. This is
890 -- is needed because not all of the type variables captured by a
891 -- let-bound binding will get propogated down to the callsite, and
892 -- the ILX system of polymorphism demands that the free type variables
893 -- get reapplied when we issue the direct "callclo". The
894 -- type variables are in reality also "bound up" in the closure that is
895 -- passed as the first argument, so when we do an indirect call
896 -- to that closure we're fine, which is why we don't need them in
897 -- the "callfunc" case.
900 Just (known_env,fun,needed,fvs) | (equalLength needed now_args) &&
901 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
902 vcat [text "callclo class",
903 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
904 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
907 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
908 otherwise -> text "callfunc"
910 if (tail_call && done) then text "tail." <+> basic_call_instr
911 else basic_call_instr
914 --------------------------
915 -- Print the arg info at the call site
916 -- For type args we are, at the moment, required to
917 -- give both the actual and the formal (bound). The formal
918 -- bound is always System.Object at the moment (bounds are
919 -- not properly implemented in ILXASM in any case, and nor do
920 -- we plan on making use og them) For
921 -- non-type args the actuals are on the stack, and we just give the
923 pprIlxArgInfo env (StgTypeArg arg,ty) =
924 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
925 pprIlxArgInfo env (_,ty) =
926 parens (ilxTypeL env ty)
929 ----------------------------
930 -- Code for a binding
931 ilxBind :: IlxEEnv -> StgBinding -> SDoc
932 ilxBind eenv@(IlxEEnv env _) bind =
933 vcat [vcat (map (ilxRhs env rec) pairs),
934 vcat (map (ilxFixupRec env rec) pairs)]
936 rec = ilxRecIds1 bind
937 pairs = ilxPairs1 bind
940 ----------------------------
941 -- Allocate a closure or constructor. Fix up recursive definitions.
942 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
944 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
947 ilxRhs env rec (bndr, StgRhsCon _ con args)
948 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
949 text "stloc" <+> pprId bndr
952 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
953 = -- Assume .closure v<any A>(int64,!A) {
954 -- .apply <any B> (int32) (B) { ... }
957 -- let v = \B (x:int32) (y:B). ...
959 -- newclo v<int32>(int64,!0)
961 vcat [vcat (map pushFv free_vs),
962 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
963 text "newclo" <+> clotext,
964 text "stloc" <+> pprId bndr
967 pushFv id = if elem id rec then text "ldnull" else pushId env id
968 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
969 clotext = pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
971 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
973 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
974 = text "// no recursive fixup"
976 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
977 = vcat [vcat (map fixFv rec)]
979 fixFv recid = if elem recid fvs then
980 vcat [pushId env bndr,
982 text "stclofld" <+> clotext <> text "," <+> pprId recid]
983 else text "//no fixup needed for" <+> pprId recid
984 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
985 clotext = pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
989 ---------------------------------------------
990 -- Code for a top-level binding in a module
991 ilxPairs binds = concat (map ilxPairs1 binds)
993 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
994 ilxPairs1 (StgRec _ pairs) = pairs
996 ilxRecIds1 (StgNonRec _ bndr rhs) = []
997 ilxRecIds1 (StgRec _ pairs) = map fst pairs
999 ---------------------------------------------
1000 -- Code for a top-level binding in a module
1001 -- TODO: fix up recursions amongst CAF's
1006 -- For the moment I've put in a completely spurious "reverse"...
1008 -- Consider: make fixing up of CAF's part of ILX? i.e.
1009 -- put static, constant, allocated datastructures into ILX.
1011 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
1012 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
1013 stableSortBy f [] = []
1015 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
1016 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
1017 usedBy (m,_) (n,_) | m == n = EQ
1018 usedBy (m,_) (_,_) = GT
1020 isArg m (StgVarArg n) = (n == m)
1024 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
1025 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
1026 --ilxTopRhs env (bndr,rhs)
1027 ilxTopBind mod env pairs =
1028 vcat [text ".class" <+> pprId mod,
1029 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
1031 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
1033 (nest 2 (vcat [text ".maxstack 100",
1034 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1035 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
1036 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1039 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
1041 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
1044 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
1045 = vcat [vcat (map (pushId env) free_vs),
1046 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
1047 text "newclo" <+> pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
1048 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1051 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1052 bndTy = idIlxRepType bndr
1054 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1055 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1056 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1059 bndTy = idIlxRepType bndr
1061 pprFieldRef env (mod,ty,id)
1062 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1064 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1065 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1067 bndTy = idIlxRepType bndr
1068 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1069 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1071 bndTy = idIlxRepType bndr
1073 --------------------------------------
1075 pushArgWithVoids = pushArg_aux True
1076 pushArg = pushArg_aux False
1078 pushArg_aux voids env (StgTypeArg ty) = empty
1079 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1080 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1083 mapi f l = mapi_aux f l 0
1085 mapi_aux f [] n = []
1086 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1088 --------------------------------------
1090 pushId = pushId_aux False
1092 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1093 pushId_aux voids _ id | isVoidIlxRepId id =
1094 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1095 pushId_aux _ env var
1096 = case lookupIlxVarEnv env var of
1097 Just Arg -> text "ldarg" <+> pprId var
1098 Just (CloVar n) -> text "ldenv" <+> int n
1099 Just Local -> text "ldloc" <+> pprId var
1101 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1102 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1103 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1106 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1107 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1108 <+> pprIlxTopVar env var]
1110 --------------------------------------
1112 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1113 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1114 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1115 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1116 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1117 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1118 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1119 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1120 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1121 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1122 pushLit env (MachLabel l) = trace "WARNING: Cannot compile MachLabel to ILX in IlxGen.lhs" (text "// MachLabel!!! Not valid in ILX!!")
1125 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1126 | otherwise = pprId (nameOccName n)
1133 %************************************************************************
1135 \subsection{Printing types}
1137 %************************************************************************
1142 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1143 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1144 isVoidIlxRepType (TyConApp tc tys)
1145 = isUnboxedTupleTyCon tc && null (filter (not. isVoidIlxRepType) tys)
1146 isVoidIlxRepType _ = False
1148 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1152 -- Get rid of all NoteTy and NewTy artifacts
1153 deepIlxRepType :: Type -> Type
1154 deepIlxRepType (FunTy l r)
1155 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1157 deepIlxRepType ty@(TyConApp tc tys)
1158 = -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1159 -- e.g. (# State#, Int#, Int# #) ===> (# Int#, Int# #)
1160 if isUnboxedTupleTyCon tc then
1161 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1164 _ -> mkTupleTy Unboxed (length tys') tys'
1166 TyConApp tc (map deepIlxRepType tys)
1167 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1168 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1169 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1170 deepIlxRepType (SourceTy p) = deepIlxRepType (sourceTypeRep p)
1171 deepIlxRepType ty@(TyVarTy tv) = ty
1173 idIlxRepType id = deepIlxRepType (idType id)
1175 --------------------------
1176 -- Some primitive type constructors are not thunkable.
1177 -- Everything else needs to be marked thunkable.
1178 ilxTypeL :: IlxEnv -> Type -> SDoc
1180 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1181 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1184 --------------------------
1185 -- Print non-thunkable version of type.
1188 ilxTypeR :: IlxEnv -> Type -> SDoc
1189 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1190 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1191 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))
1192 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1194 -- The following is a special rule for types constructed out of
1195 -- higher kinds, e.g. Monad f or Functor f.
1197 -- The code below is not as general as it should be, but as I
1198 -- have no idea if this approach will even work, I'm going to
1199 -- just try it out on some simple cases arising from the prelude.
1200 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1201 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1202 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1203 = ilxTypeR env (TyConApp tc t)
1204 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1206 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1207 -- is on the left of an arrow
1208 -- We could probably eliminate all but a final occurrence of these.
1209 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1210 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1211 ilxTypeR env (FunTy arg res)
1212 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1214 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1215 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1217 env' = extendIlxEnvWithFormalTyVars env [tv]
1219 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1220 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1221 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1223 ilxTypeR env (NoteTy _ ty)
1224 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1225 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1228 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1230 ilxTyConApp env tcon args =
1231 case lookupUFM tyPrimConTable (getUnique tcon) of
1232 Just f -> f args env
1234 (if isUnboxedTupleTyCon tcon then pprIlxUnboxedTupleTyConApp else pprIlxBoxedTyConApp)
1237 pprIlxTyCon env tcon = nameReference env (getName tcon) <> ppr tcon
1238 pprIlxUnboxedTupleTyConApp env tcon args
1239 = text "/* unboxed */ value class" <+> pprIlxTyCon env tcon' <> pprTypeArgs ilxTypeL env non_void
1241 non_void = filter (not . isVoidIlxRepType) args
1242 tcon' = dataConTyCon (tupleCon Unboxed (length non_void))
1243 pprIlxBoxedTyConApp env tcon args
1244 = pprIlxNamedTyConApp env (pprIlxTyCon env tcon) args
1245 pprIlxNamedTyConApp env tcon_text args
1246 = text "class" <+> tcon_text <> pprTypeArgs ilxTypeR env args
1248 -- Returns e.g: <Int32, Bool>
1249 -- Void-sized type arguments are _always_ eliminated, everywhere.
1250 -- If the type constructor is an unboxed tuple type then it should already have
1251 -- been adjusted to be the correct constructor.
1252 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1254 pprTypeArgs_aux f env [] = empty
1255 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1258 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1259 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1260 -- plus a new environment with the type variables added.
1261 pprTyVarBinders env [] = empty
1262 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1264 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1265 pprTyVarBinder env tv =
1266 if isIlxTyVar tv then
1267 angleBrackets (pprTyVarBinder_aux env tv)
1269 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1270 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1271 ilxComment (text "omitted")
1272 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1275 pprTyVarBinder_aux env tv =
1276 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1277 ilxTypeR env (tyVarKind tv)) <+>
1278 (text "class [mscorlib]System.Object")
1280 -- Only a subset of Haskell types can be generalized using the type quantification
1283 ( h `eqKind` liftedTypeKind) ||
1284 ( h `eqKind` unliftedTypeKind) ||
1285 ( h `eqKind` openTypeKind)
1287 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1289 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1291 (tvs, vs) = partition isTyVar fvs
1292 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1294 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1296 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1298 pprId id = singleQuotes (ppr id)
1302 %************************************************************************
1306 %************************************************************************
1309 type IlxTyEnv = [TyVar]
1312 -- Nb. There is currently no distinction between the kinds of type variables.
1313 -- We may need to add this to print out correct numbers, esp. for
1315 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1316 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1317 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1319 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1320 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1322 data HowBound = Top Module -- Bound in a modules
1323 | Arg -- Arguments to the enclosing closure
1324 | CloVar Int -- A free variable of the enclosing closure
1325 -- The int is the index of the field in the
1327 | Local -- Local let binding
1329 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1330 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1331 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1332 type Place = (SDoc,SDoc)
1335 = go 0 (ilxEnvTyEnv env)
1338 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1339 <+> pprSepWithCommas
1340 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1341 (ilxEnvTyEnv env) <+> text "}")
1342 (char '!' <> pprId tv)
1344 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1345 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1348 emptyIlxEnv :: Bool -> Module -> IlxEnv
1349 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1351 nextPlace place sdoc = place <> sdoc
1352 usePlace place sdoc = place <> sdoc
1354 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1355 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1356 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1357 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1358 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1359 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1360 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1362 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1363 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1364 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1366 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1367 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1368 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1369 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1370 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1372 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1373 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1375 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1376 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1378 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1379 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1381 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1382 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1383 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1384 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1387 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1389 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1390 extendVarEnvList id_env (clovs 0 args),
1395 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1397 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1398 = IlxEnv (mod, tv_env, id_env,
1399 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1402 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1403 = IlxEnv (m, tv_env,
1404 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1405 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1407 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1408 = IlxEnv (m, tv_env,
1409 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1410 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1413 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1414 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1416 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1417 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1418 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1419 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1420 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1421 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1427 type IlxLabel = SDoc
1429 pprIlxLabel lbl = lbl
1431 mkJoinLabel :: Id -> IlxLabel
1432 mkJoinLabel v = text "J_" <> ppr v
1434 mkAltLabel :: Id -> Int -> IlxLabel
1435 mkAltLabel v n = text "A" <> int n <> ppr v
1437 ilxLabel :: IlxLabel -> SDoc
1438 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1442 %************************************************************************
1444 \subsection{Local pretty helper functions}
1446 %************************************************************************
1449 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1450 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1451 ilxComment pp = text "/*" <+> pp <+> text "*/"
1452 singleQuotes pp = char '\'' <> pp <> char '\''
1454 line = text "// ----------------------------------"
1456 hscOptionQual = text ".i_"
1459 | isLocalName n = empty
1460 | ilxEnvModule env == nameModule n = text ""
1461 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1462 -- HACK: no Vanilla modules should be around, but they are!! This
1463 -- gets things working for the scenario "standard library linked as one
1464 -- assembly with multiple modules + a one module program running on top of this"
1465 -- Same applies to all other mentions of Vailla modules in this file
1466 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1467 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1469 | otherwise = packageReference (modulePackage (nameModule n))
1471 packageReference p = brackets (singleQuotes (ppr p <> hscOptionQual))
1472 moduleNameReference m = brackets ((text ".module") <+> (singleQuotes (pprModuleName m <> hscOptionQual <> text "o")))
1474 moduleReference env m
1475 | ilxEnvModule env == m = text ""
1476 | isHomeModule m = moduleNameReference (moduleName m)
1478 | isVanillaModule m && not inPrelude = preludePackageReference
1479 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1481 | otherwise = packageReference (modulePackage m)
1483 preludePackageReference = packageReference preludePackage
1484 inPrelude = preludePackage == opt_InPackage
1486 ------------------------------------------------
1487 -- This code is copied from absCSyn/CString.lhs,
1488 -- and modified to do the correct thing! It's
1489 -- still a mess though. Also, still have to do the
1490 -- right thing for embedded nulls.
1492 pprFSInILStyle :: FAST_STRING -> SDoc
1493 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1495 stringToC :: String -> String
1496 -- Convert a string to the form required by C in a C literal string
1497 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1499 stringToC [c] = charToC c
1501 -- if we have something "octifiable" in "c", we'd better "octify"
1502 -- the rest of the string, too.
1503 = if (c < ' ' || c > '~')
1504 then (charToC c) ++ (concat (map char_to_C cs))
1505 else (charToC c) ++ (stringToC cs)
1507 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1509 | c == '\b' = "\\b" -- ToDo: chk some of these...
1514 | otherwise = '\\' : (trigraph (ord c))
1516 charToC :: Char -> String
1517 -- Convert a character to the form reqd in a C character literal
1518 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1531 else '\\' : (trigraph (ord c))
1533 trigraph :: Int -> String
1535 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1536 chr ((n `div` 10) `rem` 10 + ord '0'),
1537 chr (n `rem` 10 + ord '0')]
1542 %************************************************************************
1544 \subsection{PrimOps and Constructors}
1546 %************************************************************************
1549 ----------------------------
1550 -- Allocate a fresh constructor
1552 ilxConApp env data_con args
1553 | isUnboxedTupleCon data_con
1554 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1557 -- Collapse the construction of an unboxed tuple type where
1558 -- every element is zero-sized
1559 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1561 -- Minimize the construction of an unboxed tuple type, which
1562 -- may contain zero-sized elements. Recompute all the
1563 -- bits and pieces from the simpler case below for the new data
1564 -- type constructor....
1565 let data_con' = tupleCon Unboxed (length tm_args') in
1566 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1568 let tycon' = dataConTyCon data_con' in
1569 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1570 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1571 let formal_env' = formalIlxEnv env formal_tyvars' in
1573 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1574 sep [text "newobj void ",
1575 ilxTyConApp env tycon' rep_ty_args',
1577 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1581 -- Now all other constructions
1582 = -- Assume C :: forall a. a -> T a -> T a
1583 -- ldloc x arg of type Int
1584 -- ldloc y arg of type T Int
1585 -- newdata classunion T<Int32>, C(!0, T <!0>)
1587 let tycon = dataConTyCon data_con in
1588 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1589 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1591 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1592 sep [ text "newdata",
1593 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1594 nest 2 (ilxConRef env data_con)
1598 tycon = dataConTyCon data_con
1599 rep_ty_args = map deepIlxRepType ty_args
1600 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1602 -- Split some type arguments off, throwing away the higher kinded ones for the moment.
1603 -- Base the higher-kinded checks off a corresponding list of formals.
1604 splitTyArgs :: [Var] -- Formals
1605 -> [StgArg] -- Actuals
1606 -> ([Type], [StgArg])
1607 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1608 | isIlxTyVar htv = ((h:l), r)
1609 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1610 where (l,r) = splitTyArgs ttv t
1611 splitTyArgs _ l = ([],l)
1613 -- Split some type arguments off, where none should be higher kinded
1614 splitTyArgs1 :: [StgArg] -> ([Type], [StgArg])
1615 splitTyArgs1 (StgTypeArg ty : args) = (ty:tys, args')
1617 (tys, args') = splitTyArgs1 args
1618 splitTyArgs1 args = ([], args)
1620 ilxConRef env data_con
1621 | isUnboxedTupleCon data_con
1622 = let data_con' = tupleCon Unboxed (length non_void_args)in
1623 pprId data_con' <> arg_text
1625 = pprId data_con <> arg_text
1627 arg_text = pprValArgTys ilxTypeL env' (map deepIlxRepType non_void_args)
1628 non_void_args = filter (not . isVoidIlxRepType) arg_tys
1629 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1630 (arg_tys, _) = splitFunTys tau_ty
1631 env' = formalIlxEnv env tyvars
1639 %************************************************************************
1641 \subsection{PrimOps and Prim Representations} *
1642 %************************************************************************
1646 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1649 type IlxTyFrag = IlxEnv -> SDoc
1650 ilxType s env = text s
1652 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1654 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1655 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1657 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1659 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1660 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1661 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1662 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1663 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1664 (charPrimTyConKey, (\_ -> repChar)),
1665 (wordPrimTyConKey, (\_ -> repWord)),
1666 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1667 (intPrimTyConKey, (\_ -> repInt)),
1668 (int64PrimTyConKey, (\_ -> repInt64)),
1669 (word64PrimTyConKey, (\_ -> repWord64)),
1670 (floatPrimTyConKey, (\_ -> repFloat)),
1671 (doublePrimTyConKey, (\_ -> repDouble)),
1672 -- These can all also accept unlifted parameter types so we explicitly lift.
1673 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1674 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1675 (weakPrimTyConKey, (\[ty] -> repWeak (ilxTypeL2 ty))),
1676 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1677 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1678 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1679 (threadIdPrimTyConKey, (\_ -> repThread)),
1680 (bcoPrimTyConKey, (\_ -> repBCO))
1683 ilxTypeL2 :: Type -> IlxTyFrag
1684 ilxTypeL2 ty env = ilxTypeL env ty
1685 ilxTypeR2 :: Type -> IlxTyFrag
1686 ilxTypeR2 ty env = ilxTypeR env ty
1688 ilxMethTyVarA = ilxType "!!0"
1689 ilxMethTyVarB = ilxType "!!1"
1690 prelGHCReference :: IlxTyFrag
1691 prelGHCReference env =
1692 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1693 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1694 else preludePackageReference
1696 prelBaseReference :: IlxTyFrag
1697 prelBaseReference env =
1698 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1699 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1700 else preludePackageReference
1702 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1703 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1704 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1705 repInt = ilxType "int32"
1706 repWord = ilxType "unsigned int32"
1707 repAddr =ilxType "/* Addr */ void *"
1708 repInt64 = ilxType "int64"
1709 repWord64 = ilxType "unsigned int64"
1710 repFloat = ilxType "float32"
1711 repDouble = ilxType "float64"
1712 repChar = ilxType "/* Char */ unsigned int8"
1713 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1714 repInteger = ilxUnboxedPairRep repInt repByteArray
1715 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1716 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1717 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1718 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1719 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1720 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1721 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1722 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1723 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1724 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1726 ilxTyPair l r = ilxTyParams [l,r]
1727 ilxTyTriple l m r = ilxTyParams [l,m,r]
1728 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1729 ilxUnboxedEmptyRep = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H"]
1730 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyPair l r]
1731 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyTriple l m r]
1732 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z4H",ilxTyQuad l m1 m2 r]
1734 ilxTyIO b = ilxTypeSeq [ilxType "(func ( /* unit skipped */ ) --> ", b, ilxType ")"]
1736 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1737 ilxTyParams [] env = empty
1738 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1740 ilxTyParamsAux [] env = empty
1741 ilxTyParamsAux [h] env = h env
1742 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1743 ilxTyParams [] env = empty
1746 type IlxOpFrag = IlxEnv -> SDoc
1747 ilxOp :: String -> IlxOpFrag
1748 ilxOp s env = text s
1749 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1750 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1752 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1753 ilxParams l env = parens (ilxParamsAux l env)
1755 ilxParamsAux [] env = empty
1756 ilxParamsAux [h] env = h env
1757 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1760 ilxMethodRef rty cls nm tyargs args =
1761 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1762 ilxTyParams tyargs,ilxParams args]
1764 ilxCall m = ilxOpSeq [ilxOp "call", m]
1766 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1767 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1769 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1771 ilxMkBool :: IlxOpFrag
1772 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1773 ilxOp "PrelBase_Bool",
1774 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1775 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1776 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1777 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1778 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1779 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1780 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1781 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1782 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1783 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1784 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1786 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1787 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1789 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1792 CharGtOp -> simp_op ilxCgt
1793 CharGeOp -> simp_op ilxCge
1794 CharEqOp -> simp_op ilxCeq
1795 CharNeOp -> simp_op ilxCne
1796 CharLtOp -> simp_op ilxClt
1797 CharLeOp -> simp_op ilxCle
1799 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1800 ChrOp -> simp_op (ilxOp "conv.u4")
1802 IntGtOp -> simp_op ilxCgt
1803 IntGeOp -> simp_op ilxCge
1804 IntEqOp -> simp_op ilxCeq
1805 IntNeOp -> simp_op ilxCne
1806 IntLtOp -> simp_op ilxClt
1807 IntLeOp -> simp_op ilxCle
1809 Narrow8IntOp -> simp_op (ilxOp"conv.i1")
1810 Narrow16IntOp -> simp_op (ilxOp "conv.i2")
1811 Narrow32IntOp -> simp_op (ilxOp "conv.i4")
1812 Narrow8WordOp -> simp_op (ilxOp "conv.u1")
1813 Narrow16WordOp -> simp_op (ilxOp "conv.u2")
1814 Narrow32WordOp -> simp_op (ilxOp "conv.u4")
1816 WordGtOp -> simp_op ilxCgtUn
1817 WordGeOp -> simp_op ilxCgeUn
1818 WordEqOp -> simp_op ilxCeq
1819 WordNeOp -> simp_op ilxCne
1820 WordLtOp -> simp_op ilxCltUn
1821 WordLeOp -> simp_op ilxCleUn
1823 AddrGtOp -> simp_op ilxCgt
1824 AddrGeOp -> simp_op ilxCge
1825 AddrEqOp -> simp_op ilxCeq
1826 AddrNeOp -> simp_op ilxCne
1827 AddrLtOp -> simp_op ilxClt
1828 AddrLeOp -> simp_op ilxCle
1830 FloatGtOp -> simp_op ilxCgt
1831 FloatGeOp -> simp_op ilxCge
1832 FloatEqOp -> simp_op ilxCeq
1833 FloatNeOp -> simp_op ilxCne
1834 FloatLtOp -> simp_op ilxClt
1835 FloatLeOp -> simp_op ilxCle
1837 DoubleGtOp -> simp_op ilxCgt
1838 DoubleGeOp -> simp_op ilxCge
1839 DoubleEqOp -> simp_op ilxCeq
1840 DoubleNeOp -> simp_op ilxCne
1841 DoubleLtOp -> simp_op ilxClt
1842 DoubleLeOp -> simp_op ilxCle
1844 -- Int#-related ops:
1845 IntAddOp -> simp_op (ilxOp "add")
1846 IntSubOp -> simp_op (ilxOp "sub")
1847 IntMulOp -> simp_op (ilxOp "mul")
1848 IntQuotOp -> simp_op (ilxOp "div")
1849 IntNegOp -> simp_op (ilxOp "neg")
1850 IntRemOp -> simp_op (ilxOp "rem")
1853 AddrAddOp -> simp_op (ilxOp "add")
1854 AddrSubOp -> simp_op (ilxOp "sub")
1855 AddrRemOp -> simp_op (ilxOp "rem")
1856 Int2AddrOp -> warn_op "int2Addr" (simp_op (ilxOp "/* PrimOp int2Addr */ "))
1857 Addr2IntOp -> warn_op "addr2Int" (simp_op (ilxOp "/* PrimOp addr2Int */ "))
1859 -- Word#-related ops:
1860 WordAddOp -> simp_op (ilxOp "add")
1861 WordSubOp -> simp_op (ilxOp "sub")
1862 WordMulOp -> simp_op (ilxOp "mul")
1863 WordQuotOp -> simp_op (ilxOp "div")
1864 WordRemOp -> simp_op (ilxOp "rem")
1866 ISllOp -> simp_op (ilxOp "shl")
1867 ISraOp -> simp_op (ilxOp "shr")
1868 ISrlOp -> simp_op (ilxOp "shr.un")
1869 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1870 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1871 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1872 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1875 -- Word#-related ops:
1876 AndOp -> simp_op (ilxOp "and")
1877 OrOp -> simp_op (ilxOp "or")
1878 NotOp -> simp_op (ilxOp "not")
1879 XorOp -> simp_op (ilxOp "xor")
1880 SllOp -> simp_op (ilxOp "shl")
1881 SrlOp -> simp_op (ilxOp "shr")
1882 Word2IntOp -> simp_op (ilxOp "conv.i4")
1883 Int2WordOp -> simp_op (ilxOp "conv.u4")
1885 -- Float#-related ops:
1886 FloatAddOp -> simp_op (ilxOp "add")
1887 FloatSubOp -> simp_op (ilxOp "sub")
1888 FloatMulOp -> simp_op (ilxOp "mul")
1889 FloatDivOp -> simp_op (ilxOp "div")
1890 FloatNegOp -> simp_op (ilxOp "neg")
1891 Float2IntOp -> simp_op (ilxOp "conv.i4")
1892 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1894 DoubleAddOp -> simp_op (ilxOp "add")
1895 DoubleSubOp -> simp_op (ilxOp "sub")
1896 DoubleMulOp -> simp_op (ilxOp "mul")
1897 DoubleDivOp -> simp_op (ilxOp "div")
1898 DoubleNegOp -> simp_op (ilxOp "neg")
1899 Double2IntOp -> simp_op (ilxOp "conv.i4")
1900 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1901 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1902 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1903 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1904 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1906 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1907 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1908 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1909 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1910 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1911 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1912 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1913 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1914 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1915 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1916 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1917 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1918 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1920 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1921 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1922 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1924 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1925 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1926 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1928 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1929 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1930 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1932 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1933 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1934 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1936 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1938 -- Integer (and related...) ops: bail out to support routines
1939 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1940 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1941 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1942 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1943 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1944 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1945 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1946 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1947 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1948 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1949 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1950 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1951 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1952 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1953 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1954 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1955 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1956 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1957 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1958 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1959 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1960 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1961 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1962 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1966 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1967 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1968 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1969 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1970 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1971 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1972 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1973 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1974 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1975 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1976 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1977 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1978 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1979 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1980 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1981 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1983 {- should be monadic??? -}
1984 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1985 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1986 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1987 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1988 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1989 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1990 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1991 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1992 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1993 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1994 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1995 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1996 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1997 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1998 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1999 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
2000 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
2001 {- ByteArr# -> Int# -> Char# -}
2004 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
2005 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
2006 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
2007 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
2008 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
2009 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
2010 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
2011 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
2012 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
2013 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
2014 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
2015 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
2016 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
2017 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
2018 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
2019 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
2020 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
2022 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2023 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2024 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2025 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2026 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2027 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2028 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2029 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2030 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2031 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2032 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2033 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2034 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2035 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2036 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2037 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
2039 -- ForeignObj: load the address inside the object first
2040 -- TODO: is this remotely right?
2041 EqForeignObj -> warn_op "eqForeignObj" (simp_op (ilxOp "pop /* PrimOp eqForeignObj */ "))
2042 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2043 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
2044 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2045 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2046 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
2047 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
2048 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
2049 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
2050 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
2051 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
2052 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2053 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
2054 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2055 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
2056 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2057 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
2059 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2060 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2061 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2062 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2063 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2064 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2065 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2066 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2067 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2068 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2069 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2070 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2071 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2072 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2073 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2074 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2075 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2077 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2078 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2079 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2080 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2081 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2082 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2083 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2084 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"])
2085 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2086 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2087 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2088 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2089 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2090 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2091 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2092 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2093 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2094 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2096 {- should be monadic??? -}
2097 NewPinnedByteArrayOp_Char -> warn_op "newPinnedByteArray" (simp_op (ilxOp "newarr [mscorlib]System.Byte "))
2098 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2099 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2100 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2101 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2102 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2103 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2104 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2105 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2106 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2107 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2108 ByteArrayContents_Char -> warn_op "byteArrayContents" (simp_op ilxAddrOfByteArrOp)
2110 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2111 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2112 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2113 {- ByteArr# -> Int# -}
2115 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2116 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2117 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2118 {- MutByteArr# s -> Int# -}
2120 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2121 {- MutVar# s a -> MutVar# s a -> Bool -}
2122 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2123 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2124 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2125 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2126 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2127 {- MutVar# s a -> a -> State# s -> State# s -}
2129 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethTyVarA])
2130 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2131 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2132 {- Array# a -> Int# -> (# a #) -}
2133 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2134 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2135 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2136 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2137 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2138 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2139 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2140 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2142 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2143 {- MutArr# s a -> MutArr# s a -> Bool -}
2146 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2147 CatchOp -> ty2_op (\ty1 ty2 ->
2148 ilxCallSuppMeth ilxMethTyVarA "'catch'" [ty1,ty2] [ilxLift (ilxTyIO (ilxType "!!0")),
2149 ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2150 {- (State# RealWorld -> (# State# RealWorld, a #) )
2151 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2153 -> (# State# RealWorld, a #)
2156 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2157 ilxCallSuppMeth ilxMethTyVarA "blockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2159 {- (State# RealWorld -> (# State# RealWorld, a #))
2160 -> (State# RealWorld -> (# State# RealWorld, a #))
2163 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2164 ilxCallSuppMeth ilxMethTyVarA "unblockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2167 State# RealWorld -> (# State# RealWorld, a #))
2168 -> (State# RealWorld -> (# State# RealWorld, a #))
2171 NewMVarOp -> ty2_op (\sty ty ->
2172 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2173 {- State# s -> (# State# s, MVar# s a #) -}
2175 TakeMVarOp -> ty2_op (\sty ty ->
2176 ilxCallSuppMeth ilxMethTyVarA "takeMVar" [ty] [repMVar ilxMethTyVarA])
2177 {- MVar# s a -> State# s -> (# State# s, a #) -}
2179 -- These aren't yet right
2180 TryTakeMVarOp -> ty2_op (\sty ty ->
2181 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA])
2182 {- MVar# s a -> State# s -> (# State# s, a #) -}
2184 TryPutMVarOp -> ty2_op (\sty ty ->
2185 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethTyVarA,ilxMethTyVarA])
2186 {- MVar# s a -> State# s -> (# State# s, a #) -}
2188 PutMVarOp -> ty2_op (\sty ty ->
2189 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethTyVarA, ilxMethTyVarA])
2190 {- MVar# s a -> a -> State# s -> State# s -}
2192 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2193 {- MVar# s a -> MVar# s a -> Bool -}
2195 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2196 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA]))
2197 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2199 IsEmptyMVarOp -> ty2_op (\sty ty ->
2200 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethTyVarA])
2201 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2203 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2206 DataToTagOp -> ty1_op (\ty1 ->
2207 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethTyVarA])
2210 TagToEnumOp -> ty1_op (\ty1 ->
2211 ilxCallSuppMeth ilxMethTyVarA "tagToEnum" [ty1] [repInt])
2214 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2215 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2216 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2217 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2219 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2220 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2221 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2222 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2224 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2225 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2227 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2228 {- StablePtr# a -> StablePtr# a -> Int# -}
2230 -- The 3rd argument to MkWeakOp is always a IO Monad action, i.e. passed as () --> ()
2231 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethTyVarB) classWeak "bake" [ilxLift ty1,ilxLift ty2] [ilxMethTyVarA, ilxMethTyVarB, ilxLift (ilxTyIO ilxUnboxedEmptyRep)]))
2232 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2234 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethTyVarA) classWeak "deref" [ty1] [repWeak ilxMethTyVarA]))
2235 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxTyIO ilxUnboxedEmptyRep)) classWeak "finalizer" [ty1] [repWeak ilxMethTyVarA]))
2236 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2237 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2239 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2240 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2241 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2242 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2243 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2244 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2245 -- This pushes a THUNK across as the exception value.
2246 -- This is the correct Haskell semantics... TODO: we should probably
2247 -- push across an HaskellThreadAbortException object that wraps this
2248 -- thunk, but which is still actually an exception of
2249 -- an appropriate type.
2250 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2251 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2253 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2254 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2255 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2256 {- Int# -> State# s -> State# s -}
2258 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2259 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2260 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2261 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2262 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2263 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2264 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2265 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2266 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2267 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2268 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2270 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2271 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2272 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2273 _ -> pprPanic "Unimplemented primop" (ppr op)
2276 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2277 ty1_op op ((StgTypeArg ty1):rest) =
2278 ilxOpSeq [getArgsStartingAt 1 rest,
2279 op (ilxTypeR2 (deepIlxRepType ty1))]
2281 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2282 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2283 ilxOpSeq [getArgsStartingAt 2 rest,
2284 op (ilxTypeR2 (deepIlxRepType ty1))
2285 (ilxTypeR2 (deepIlxRepType ty2))]
2287 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2288 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2289 ilxOpSeq [getArgsStartingAt 3 rest,
2290 op (ilxTypeR2 (deepIlxRepType ty1))
2291 (ilxTypeR2 (deepIlxRepType ty2))
2292 (ilxTypeR2 (deepIlxRepType ty3))]
2294 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2295 arg2_op op [a1, a2] =
2299 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2300 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2301 op (ilxTypeR2 (deepIlxRepType ty1))
2305 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2306 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2307 op (ilxTypeR2 (deepIlxRepType ty1))
2313 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2314 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2315 op (ilxTypeR2 (deepIlxRepType ty1))
2316 (ilxTypeR2 (deepIlxRepType ty2))
2324 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2325 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2327 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2328 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2329 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2332 %************************************************************************
2334 \subsection{C Calls}
2336 %************************************************************************
2339 -- Call the P/Invoke stub wrapper generated in the import section.
2340 -- We eliminate voids in and around an IL C Call.
2341 -- We also do some type-directed translation for pinning Haskell-managed blobs
2342 -- of data as we throw them across the boundary.
2343 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc)) args ret_ty
2344 = ilxComment ((text "C call") <+> pprCLabelString c) <+>
2345 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2346 text "call" <+> retdoc <+> pprCLabelString c <+> tyarg_doc
2347 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2349 retdoc | isVoidIlxRepType ret_ty = text "void"
2350 | otherwise = ilxTypeR env (deepIlxRepType ret_ty)
2351 (ty_args,tm_args) = splitTyArgs1 args
2352 tyarg_doc | not (isEmptyVarSet (tyVarsOfTypes ty_args)) = text "/* type variable found */"
2353 | otherwise = pprTypeArgs ilxTypeR env ty_args
2355 ilxFCall env (DNCall (DNCallSpec call_instr)) args ret_ty
2356 = ilxComment (text "IL call") <+>
2357 vcat [vcat (ilxMapPlaceArgs 0 pushEvalArg env tm_args),
2359 -- In due course we'll need to pass the type arguments
2360 -- and to do that we'll need to have more than just a string
2364 (ty_args,tm_args) = splitTyArgs1 args
2366 -- Push and argument and force its evaluation if necessary.
2367 pushEvalArg _ (StgTypeArg _) = empty
2368 pushEvalArg env (StgVarArg arg) = ilxFunApp env arg [] False
2369 pushEvalArg env (StgLitArg lit) = pushLit env lit
2372 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2373 hasTyCon _ _ = False
2375 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2376 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2378 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2379 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2381 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2383 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2384 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2385 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2386 pushCArg env arg | otherwise = pushArg env arg
2388 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2389 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2390 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2391 pprCValArgTy f env ty | otherwise = f env ty
2394 foldR :: (a -> b -> b) -> [a] -> b -> b
2396 -- foldR f (x:xs) z = f x (foldR f xs z)
2397 {-# INLINE foldR #-}
2398 foldR k xs z = go xs
2401 go (y:ys) = y `k` go ys