2 \section{Generate .NET extended IL}
6 -- The above warning supression flag is a temporary kludge.
7 -- While working on this module you are encouraged to remove it and fix
8 -- any warnings in the module. See
9 -- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
12 module IlxGen( ilxGen ) where
14 #include "HsVersions.h"
16 import Char ( ord, chr )
18 import Id ( idType, idName, isDeadBinder, idArity )
19 import Var ( Var, Id, TyVar, isId, isTyVar, tyVarKind, tyVarName )
21 import VarSet ( isEmptyVarSet )
22 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
23 tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
25 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
26 isUnLiftedType, isTyVarTy, mkTyVarTy, predTypeRep, pprType,
27 splitForAllTys, splitFunTys, applyTy, applyTys, eqKind, tyVarsOfTypes
29 import TypeRep ( Type(..) )
30 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys, DataCon(..) )
31 import Literal ( Literal(..) )
32 import PrelNames -- Lots of keys
33 import PrimOp ( PrimOp(..) )
34 import ForeignCall ( CCallConv(..), ForeignCall(..), CCallSpec(..), CCallTarget(..), DNCallSpec(..) )
35 import TysWiredIn ( mkTupleTy, tupleCon )
36 import PrimRep ( PrimRep(..) )
37 import Name ( nameModule, nameOccName, isExternalName, isInternalName, NamedThing(getName) )
38 import Subst ( substTyWith )
40 import Module ( Module, PackageName, ModuleName, moduleName,
41 modulePackage, basePackage,
42 isHomeModule, isVanillaModule,
43 pprModuleName, mkHomeModule, mkModuleName
47 import BasicTypes ( Boxity(..) )
48 import CStrings ( CLabelString, pprCLabelString )
51 import List ( partition, elem, insertBy,any )
54 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
56 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
57 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
58 -- names when this is set (because that's clue that -O was set).
59 -- One day this will be configured by the command line.
60 import DynFlags ( opt_InPackage, opt_SimplDoEtaReduction )
62 import Util ( lengthIs, equalLength )
68 %************************************************************************
70 \subsection{Main driver}
72 %************************************************************************
75 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
76 -- The TyCons should include those arising from classes
77 ilxGen mod tycons binds_w_srts
78 = vcat [ text ".module '" <> (ppr (moduleName mod)) <> hscOptionQual <> text "o'",
79 text ".assembly extern 'mscorlib' {}",
80 vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
81 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
82 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
83 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
84 vcat (map (ilxTyCon topenv) data_tycons),
85 vcat (map (ilxBindClosures topenv) binds),
86 ilxTopBind mod topenv toppairs
89 binds = map fst binds_w_srts
90 toppairs = ilxPairs binds
91 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
92 -- Generate info from class decls as well
93 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
94 data_tycons = filter isDataTyCon tycons
97 %************************************************************************
99 \subsection{Find Imports}
101 %************************************************************************
105 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo -> ImportsInfo
106 importsBinds env binds = foldR (importsBind env) binds
108 importsNone :: ImportsInfo -> ImportsInfo
109 importsNone sofar = sofar
111 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
112 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
113 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
115 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
116 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
117 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
119 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
120 importsExpr env (StgLit _) = importsNone
121 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
122 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
123 importsExpr env (StgOpApp (StgFCallOp (CCall (CCallSpec (StaticTarget c) cc _)) _) args rty)
124 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
126 (ty_args,tm_args) = splitTyArgs1 args
128 importsExpr env (StgOpApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
131 importsExpr env (StgSCC _ expr) = importsExpr env expr
132 importsExpr env (StgCase scrut _ _ bndr _ alts)
133 = importsExpr env scrut. imports_alts alts. importsVar env bndr
135 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
136 -- by the case-binder's type
137 = foldR imports_alg_alt alg_alts . imports_deflt deflt
139 imports_alg_alt (con, bndrs, _, rhs)
140 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
142 imports_alts (StgPrimAlts _ alg_alts deflt)
143 = foldR imports_prim_alt alg_alts . imports_deflt deflt
145 imports_prim_alt (_, rhs) = importsExpr env rhs
146 imports_deflt StgNoDefault = importsNone
147 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
150 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
151 importsExpr env (StgLet bind body)
152 = importsBind env bind . importsExpr env body
154 importsApp env v args = importsVar env v. importsStgArgs env args
155 importsStgArgs env args = foldR (importsStgArg env) args
157 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
158 importsStgArg env (StgTypeArg ty) = importsType env ty
159 importsStgArg env (StgVarArg v) = importsVar env v
160 importsStgArg env _ = importsNone
162 importsVars env vs = foldR (importsVar env) vs
163 importsVar env v = importsName env (idName v). importsType env (idType v)
166 | isInternalName n = importsNone
167 | ilxEnvModule env == nameModule n = importsNone
168 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
170 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
171 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
173 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
176 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
177 | otherwise = addPackageImpInfo basePackage
180 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
181 importsType env ty = importsType2 env (deepIlxRepType ty)
183 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
184 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
185 importsType2 env (TyVarTy _) = importsNone
186 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
187 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
188 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
189 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
190 importsTypeArgs2 env tys = foldR (importsType2 env) tys
192 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
194 importsTyCon env tc | (not (isDataTyCon tc) ||
195 isInternalName (getName tc) ||
196 ilxEnvModule env == nameModule (getName tc)) = importsNone
197 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc .
198 foldR (importsTyConDataCon env) (tyConDataCons tc)
201 importsTyConDataCon :: IlxEnv -> DataCon -> ImportsInfo -> ImportsInfo
202 importsTyConDataCon env dcon = foldR (importsTyConDataConType env) (filter (not . isVoidIlxRepType) (dataConRepArgTys dcon))
204 importsTyConDataConType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
205 importsTyConDataConType env ty = importsTyConDataConType2 env (deepIlxRepType ty)
207 importsTyConDataConType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
208 importsTyConDataConType2 env (AppTy f x) = importsTyConDataConType2 env f . importsTyConDataConType2 env x
209 importsTyConDataConType2 env (TyVarTy _) = importsNone
210 importsTyConDataConType2 env (TyConApp tc args) = importsTyConDataConTypeTyCon env tc . importsTyConDataConTypeArgs2 env args
211 importsTyConDataConType2 env (FunTy arg res) = importsTyConDataConType env arg . importsTyConDataConType2 env res
212 importsTyConDataConType2 env (ForAllTy tv body_ty) = importsTyConDataConType2 env body_ty
213 importsTyConDataConType2 _ _ = panic "IlxGen.lhs: importsTyConDataConType2 ty"
214 importsTyConDataConTypeArgs2 env tys = foldR (importsTyConDataConType2 env) tys
216 importsTyConDataConTypeTyCon env tc | (not (isDataTyCon tc) ||
217 isInternalName (getName tc) ||
218 ilxEnvModule env == nameModule (getName tc)) = importsNone
219 importsTyConDataConTypeTyCon env tc | otherwise = importsName env (getName tc)
222 type StaticCCallInfo = (CLabelString,CCallConv,[Type],Type)
223 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
224 -- (Packages, Modules, Datatypes, Imported CCalls)
226 emptyImpInfo :: ImportsInfo
227 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
228 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
229 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
230 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
231 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
233 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
234 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
235 ilxImportTyCon _ _ | otherwise = empty
237 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
238 ilxImportPackage _ p = text ".assembly extern" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
240 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
241 ilxImportModule _ m = text ".module extern" <+> singleQuotes (ppr m <> hscOptionQual <> text "o")
243 -- Emit a P/Invoke declaration for the imported C function
244 -- TODO: emit the right DLL name
245 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
246 ilxImportCCall env (c,cc,args,ret) =
247 text ".method static assembly pinvokeimpl" <+>
248 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
249 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
250 text "unmanaged preservesig { }"
253 if isVoidIlxRepType ret then text "void"
254 else ilxTypeR env (deepIlxRepType ret)
259 %************************************************************************
261 \subsection{Type declarations}
263 %************************************************************************
268 ilxTyCon :: IlxEnv -> TyCon -> SDoc
269 ilxTyCon env tycon = ilxTyConDef False env tycon
271 -- filter to get only dataTyCons?
272 ilxTyConDef importing env tycon =
274 text ".classunion" <+> (if importing then text "import" else empty) <+> tycon_ref <+> tyvars_text <+> super_text <+> alts_text]
276 tycon_ref = nameReference env (getName tycon) <> (ppr tycon)
277 super_text = if importing then empty else text "extends thunk" <> angleBrackets (text "class" <+> tycon_ref)
278 tyvars = tyConTyVars tycon
279 (ilx_tvs, _) = categorizeTyVars tyvars
280 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
281 tyvars_text = pprTyVarBinders alts_env ilx_tvs
282 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
283 alts_text = nest 2 (braces alts)
285 pprIlxDataCon env dcon =
286 text ".alternative" <+> pprId dcon <+>
287 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
291 %************************************************************************
293 \subsection{Getting the .closures and literals out} *
294 %************************************************************************
298 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
299 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
300 ilxBindClosures env (StgRec _ pairs)
301 = vcat (map (ilxRhsClosures new_env) pairs)
303 new_env = extendIlxEnvWithBinds env pairs
306 ilxRhsClosures _ (_, StgRhsCon _ _ _)
309 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
310 = vcat [ilxExprClosures next_env rhs,
313 kind_text <+> singleQuotes cloname <+> free_vs_text,
316 vcat [text ".apply" <+> closure_sig_text,
324 kind_of_thing = case upd of
325 Updatable -> ASSERT( null args ) ".thunk"
326 otherwise -> ".closure"
327 kind_text = text kind_of_thing
329 cloname = ilxEnvQualifyByModule env (ppr bndr)
330 next_env = ilxPlaceStgRhsClosure env bndr
331 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
338 otherwise -> args_text),
339 text "-->" <+> rty_text]
341 (args_text,env_with_args) = pprArgBinders env_with_fvs args
343 -- Find the type returned, from the no. of args and the type of "bndr"
345 case retType env_with_fvs (idIlxRepType bndr) args of
347 if isVoidIlxRepType ty then (text "void")
349 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))
351 -- strip off leading ForAll and Fun type constructions
352 -- up to the given number of arguments, extending the environment as
354 retType env ty [] = Just (env, ty)
355 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
356 retType env (FunTy l r) (arg:args) = retType env r args
357 retType _ _ _ = Nothing
359 -- Code for the local variables
360 locals = ilxExprLocals env_with_args rhs
362 env_with_locals = extendIlxEnvWithLocals env_with_args locals
364 -- Code for the body of the main apply method
365 body_code = vcat [empty,
366 pprIlxLocals env_with_args locals,
367 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
371 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
374 pprIlxLocals env [] = empty
376 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
378 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
379 nonVoidLocal _ = True
381 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
382 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
385 pprFreeBinders env fvs
386 = (ilx_tvs_text <+> vs_text, env2)
388 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
389 real_free_vs = filter (not . isVoidIlxRepId) free_vs
390 -- ignore the higher order type parameters for the moment
391 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
392 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
393 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
394 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
395 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
397 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
399 -- Declarations for the arguments of the main apply method
400 pprArgBinders env [] = (empty,env)
401 pprArgBinders env (arg:args)
402 = (arg_text <+> rest_text, res_env)
404 (arg_text,env') = pprArgBinder env arg
405 (rest_text,res_env) = pprArgBinders env' args
407 -- We could probably omit some void argument binders, but
410 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
412 = if isTyVar arg then
413 let env' = extendIlxEnvWithTyArgs env [arg] in
414 (pprTyVarBinder env' arg, env')
415 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
418 -- Compute local variables used by generated method.
419 -- The names of some generated locals are recorded as SDocs.
421 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
423 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
424 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
425 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
426 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
427 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
428 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
429 ilxAltsLocals env alts
430 ilxExprLocals env (StgOpApp (StgFCallOp fcall _) args _)
431 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
432 ilxExprLocals _ _ = []
434 -- Generate locals to use for pinning arguments as we cross the boundary
436 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
437 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
438 ilxCCallArgLocals _ _ | otherwise = []
440 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
441 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
443 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
444 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
446 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
447 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
449 ilxDefltLocals _ StgNoDefault = []
450 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
453 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
454 ilxExprClosures env (StgApp _ args)
455 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
456 ilxExprClosures env (StgConApp _ args)
457 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
458 ilxExprClosures env (StgOpApp _ args _)
459 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
460 ilxExprClosures env (StgLet bind body)
461 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
462 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
463 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
464 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
465 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
466 ilxExprClosures env (StgLit lit)
471 ilxAltsClosures env (StgAlgAlts _ alts deflt)
472 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
474 ilxDefltClosures env deflt
476 ilxAltsClosures env (StgPrimAlts _ alts deflt)
477 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
479 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
481 ilxDefltClosures env deflt
483 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
484 ilxDefltClosures _ StgNoDefault = empty
486 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
487 ilxArgClosures _ _ = empty
491 ilxGenLit env (MachStr fs)
492 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
493 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
496 nm = ilxEnvQualifyByExact env (text "string")
498 ilxGenLit _ _ = empty
503 %************************************************************************
505 \subsection{Generating code}
507 %************************************************************************
512 -- Environment when generating expressions
513 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
515 data Sequel = Return | Jump IlxLabel
517 ilxSequel Return = text "ret"
518 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
520 isReturn Return = True
521 isReturn (Jump _) = False
524 ilxExpr :: IlxEEnv -> StgExpr
525 -> Sequel -- What to do at the end
528 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
529 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
531 -- ilxExpr eenv (StgLit lit) sequel
532 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
533 = pushLit env lit $$ ilxSequel sequel
535 -- ilxExpr eenv (StgConApp data_con args) sequel
536 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
537 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
539 -- ilxExpr eenv (StgPrimApp primop args _) sequel
540 ilxExpr (IlxEEnv env _) (StgOpApp (StgFCallOp fcall _) args ret_ty) sequel
541 = ilxFCall env fcall args ret_ty $$ ilxSequel sequel
543 ilxExpr (IlxEEnv env _) (StgOpApp (StgPrimOp primop) args ret_ty) sequel
544 = ilxPrimOpTable primop args env $$ ilxSequel sequel
547 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
548 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
549 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
550 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
551 = ilxExpr eenv rhs sequel
552 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
553 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
554 = ilxExpr eenv rhs sequel
557 ilxExpr eenv (StgLet bind body) sequel
558 = ilxBind eenv bind $$ ilxExpr eenv body sequel
561 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
562 = ilxBind eenv bind $$ ilxExpr eenv body sequel
564 -- StgCase: Special case 1 to avoid spurious branch.
565 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
566 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
567 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
568 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
569 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
570 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
573 -- StgCase: Special case 2 to avoid spurious branch.
574 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgOpApp (StgPrimOp primop) args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
575 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
576 ilxPrimOpTable primop args (ilxPlaceStgCaseScrut env),
577 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
578 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
579 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
582 -- StgCase: Normal case.
583 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
584 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
585 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
587 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
588 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
589 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
592 join_lbl = mkJoinLabel bndr
595 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
598 -- Wipe out locals and arguments that are no longer in use, to
599 -- prevent space leaks. If the VM is implemented 100% correctly then
600 -- this should probably not be needed, as the live variable analysis
601 -- in the JIT would tell the GC that these locals and arguments are
602 -- no longer live. However I'm putting it in here so we can
603 -- check out if it helps.
605 -- Also, in any case this doesn't capture everything we need. e.g.
606 -- when making a call:
608 -- where x is not used in the alternatives, then the variable x
609 -- is no longer live from the point it is transferred to the call
610 -- onwards. We should expunge "live_in_case - live_in_alts" right
611 -- before making the call, not after returning from the call....
613 -- Strictly speaking we also don't need to do this for primitive
614 -- values such as integers and addresses, i.e. things not
615 -- mapped down to GC'able objects.
617 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
620 = case lookupIlxVarEnv env id of
621 Just Local -> text "ldloca " <+> pprId id <+> text "initobj.any" <+> (ilxTypeL env (idIlxRepType id))
622 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
623 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
624 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
628 ----------------------
630 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
631 ilxAlts (IlxEEnv env live) bndr alts sequel
632 -- At the join label, the result is on top
634 = vcat [store_in_bndr,
635 do_case_analysis alts
638 scrut_rep_ty = deepIlxRepType (idType bndr)
640 store_in_bndr | isDeadBinder bndr = empty
641 | isVoidIlxRepId bndr
642 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
643 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
645 do_case_analysis (StgAlgAlts _ [] deflt)
648 do_case_analysis (StgAlgAlts _ args deflt)
649 = do_alg_alts ([1..] `zip` args) deflt
651 do_case_analysis (StgPrimAlts _ alts deflt)
652 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
654 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
655 -- Collapse the analysis of unboxed tuples where
656 -- some or all elements are zero-sized
658 -- TO DO: add bndrs to set of live variables
660 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
661 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
663 bndrs' = filter (not. isVoidIlxRepId) bndrs
664 -- Replacement unboxed tuple type constructor, used if any of the
665 -- arguments have zero-size and more than one remains.
666 dcon' = tupleCon Unboxed (length bndrs')
668 alt_env = IlxEEnv (ilxPlaceAlt env i) live
669 --alt_env = IlxEEnv (ilxPlaceAlt env i)
671 bind_collapse [] _ = panic "bind_collapse: unary element not found"
672 bind_collapse (h:t) (is_used:used_flags)
673 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
674 | not is_used = ilxComment (text "not used") <+> text "pop"
675 | otherwise = text "stloc" <+> pprId h
678 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
679 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
680 ilxConRef env data_con],
681 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
684 do_alg_alts alts deflt
685 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
686 pprSepWithCommas pp_case labels_w_alts],
688 vcat (map do_labelled_alg_alt labels_w_alts)
691 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
692 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
694 do_prim_alts [] = empty
695 do_prim_alts ((i, (lit,alt)) : alts)
696 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
697 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
698 ilxLabel lbl, do_prim_alts alts]
700 lbl = mkAltLabel bndr i
702 do_labelled_alg_alt (i,(lbl, alt))
703 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
705 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
706 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
710 bind_components alt_eenv data_con [] n _ = empty
711 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
713 -- don't increase the count in this case
714 = ilxComment (text "zero-rep binding eliminated")
715 <+> bind_components alt_eenv data_con t n used_flags
717 = bind_component alt_eenv data_con h is_used n
718 <+> bind_components alt_eenv data_con t (n + 1) used_flags
720 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
722 = ilxComment (text "not used")
723 | isVoidIlxRepId bndr
724 = ilxComment (text "ignoring bind of zero-rep variable")
725 | otherwise = vcat [text "dup",
726 ld_data alt_env data_con reduced_fld_no bndr,
727 text "stloc" <+> pprId bndr]
729 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
730 do_deflt StgNoDefault = empty
733 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
734 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
736 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
738 ld_data alt_env data_con reduced_fld_no bndr
739 | isUnboxedTupleCon data_con
740 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
741 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
743 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
744 ilxConRef env data_con <> comma,
745 integer reduced_fld_no]
748 -------------------------
754 -- Constants of unlifted types are represented as
755 -- applications to no arguments.
756 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
759 ilxFunApp env fun args tail_call
761 -- ldloc f function of type forall a. a->a
762 -- ldloc x arg of type Int
763 -- .tail callfunc <Int32> (!0) --> !0
765 vcat [pushId env fun,ilxFunAppAfterPush env fun args tail_call]
767 ilxFunAppAfterPush env fun args tail_call
769 -- ldloc f function of type forall a. a->a
770 -- ldloc x arg of type Int
771 -- .tail callfunc <Int32> (!0) --> !0
773 vcat [ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
775 known_clo :: KnownClosure
777 case lookupIlxBindEnv env fun of
778 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
779 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
780 _ -> Nothing -- trace (show fun ++ " --> " ++ show (idArity fun))
782 type KnownClosure = Maybe ( IlxEnv -- Of the binding site of the function
785 , [Var]) -- Free vars of the closure
787 -- Push as many arguments as ILX allows us to in one go, and call the function
788 -- Recurse until we're done.
789 -- The function is already on the stack
790 ilxFunAppArgs :: IlxEnv
791 -> Int -- Number of args already pushed (zero is a special case;
792 -- otherwise used only for place generation)
793 -> Type -- Type of the function
794 -> [StgArg] -- The arguments
795 -> Bool -- True <=> tail call please
796 -> KnownClosure -- Information about the function we're calling
799 ilxFunAppArgs env num_sofar funty args tail_call known_clo
800 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
801 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
811 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
814 | isVoidIlxRepType later_ty = text "void"
815 | otherwise = ilxTypeR env_after_now_tyvs later_ty
817 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
819 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
820 _ -> get_term_args 0 ilxBestTermArity args env funty
822 -- Only apply up to maxArity real (non-type) arguments
823 -- at a time. ILX should, in principle, allow us to apply
824 -- arbitrary numbers, but you will get more succinct
825 -- (and perhaps more efficient) IL code
826 -- if you apply in clumps according to its maxArity setting.
827 -- This is because it has to unwind the stack and store it away
828 -- in local variables to do the partial applications.
830 -- Similarly, ILX only allows one type application at a time, at
831 -- least until we implement unwinding the stack for this case.
833 -- NB: In the future we may have to be more careful
834 -- all the way through
835 -- this file to bind type variables as we move through
836 -- type abstractions and "forall" types. This would apply
837 -- especially if the type variables were ever bound by expressions
838 -- involving the type variables.
840 -- This part strips off at most "max" term applications or one type application
841 get_type_args 0 args env funty = ([],[],env,args,funty)
842 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
843 = if isIlxTyVar tv then
844 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
845 let rest_ty = deepIlxRepType (substTyWith [tv] [v] rem_funty) in
846 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
847 let arg_ty = mkTyVarTy tv in
848 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
850 get_type_args max rest env rem_funty -- ? subst??
851 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
852 get_type_args _ args env funty = ([],[],env,args,funty)
854 get_term_args n 0 args env funty
855 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
856 = ([],[],env,args,funty)
857 get_term_args n max args env funty
859 Just (_,_,needed,_) -> needed `lengthIs` n
861 -- Stop if we have the optimal number for a direct call
862 = ([],[],env,args,funty)
863 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
864 -- Stop if we hit a type arg.
865 = ([],[],env,args,funty)
866 get_term_args n max (h:t) env (FunTy dom ran)
868 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
869 (h:now, (h,dom):now_tys,env2,later,later_ty)
870 get_term_args _ max (h:t) env funty = trace "IlxGen Internal Error: get_term_args could not get FunTy or ForAllTy for corresponding arg" ([],[],env,[],funty)
871 get_term_args _ max args env funty = ([],[],env,args,funty)
873 -- Are there any remaining arguments?
874 done = case later_args of
878 -- If so, generate the subsequent calls.
879 later = if done then text "// done"
880 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
882 -- Work out whether to issue a direct call a known closure (callclo) or
883 -- an indirect call (callfunc). Basically, see if the identifier has
884 -- been let-bound, and then check we are applying exactly the right
885 -- number of arguments. Also check that it's not a thunk (actually, this
886 -- is done up above).
888 -- The nasty "all" check makes sure that
889 -- the set of type variables in scope at the callsite is a superset
890 -- of the set of type variables needed for the direct call. This is
891 -- is needed because not all of the type variables captured by a
892 -- let-bound binding will get propogated down to the callsite, and
893 -- the ILX system of polymorphism demands that the free type variables
894 -- get reapplied when we issue the direct "callclo". The
895 -- type variables are in reality also "bound up" in the closure that is
896 -- passed as the first argument, so when we do an indirect call
897 -- to that closure we're fine, which is why we don't need them in
898 -- the "callfunc" case.
901 Just (known_env,fun,needed,fvs) | (equalLength needed now_args) &&
902 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
903 vcat [text "callclo class",
904 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
905 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
908 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
909 otherwise -> text "callfunc"
911 if (tail_call && done) then text "tail." <+> basic_call_instr
912 else basic_call_instr
915 --------------------------
916 -- Print the arg info at the call site
917 -- For type args we are, at the moment, required to
918 -- give both the actual and the formal (bound). The formal
919 -- bound is always System.Object at the moment (bounds are
920 -- not properly implemented in ILXASM in any case, and nor do
921 -- we plan on making use og them) For
922 -- non-type args the actuals are on the stack, and we just give the
924 pprIlxArgInfo env (StgTypeArg arg,ty) =
925 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
926 pprIlxArgInfo env (_,ty) =
927 parens (ilxTypeL env ty)
930 ----------------------------
931 -- Code for a binding
932 ilxBind :: IlxEEnv -> StgBinding -> SDoc
933 ilxBind eenv@(IlxEEnv env _) bind =
934 vcat [vcat (map (ilxRhs env rec) pairs),
935 vcat (map (ilxFixupRec env rec) pairs)]
937 rec = ilxRecIds1 bind
938 pairs = ilxPairs1 bind
941 ----------------------------
942 -- Allocate a closure or constructor. Fix up recursive definitions.
943 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
945 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
948 ilxRhs env rec (bndr, StgRhsCon _ con args)
949 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
950 text "stloc" <+> pprId bndr
953 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
954 = -- Assume .closure v<any A>(int64,!A) {
955 -- .apply <any B> (int32) (B) { ... }
958 -- let v = \B (x:int32) (y:B). ...
960 -- newclo v<int32>(int64,!0)
962 vcat [vcat (map pushFv free_vs),
963 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
964 text "newclo" <+> clotext,
965 text "stloc" <+> pprId bndr
968 pushFv id = if elem id rec then text "ldnull" else pushId env id
969 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
970 clotext = pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
972 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
974 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
975 = text "// no recursive fixup"
977 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
978 = vcat [vcat (map fixFv rec)]
980 fixFv recid = if elem recid fvs then
981 vcat [pushId env bndr,
983 text "stclofld" <+> clotext <> text "," <+> pprId recid]
984 else text "//no fixup needed for" <+> pprId recid
985 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
986 clotext = pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
990 ---------------------------------------------
991 -- Code for a top-level binding in a module
992 ilxPairs binds = concat (map ilxPairs1 binds)
994 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
995 ilxPairs1 (StgRec _ pairs) = pairs
997 ilxRecIds1 (StgNonRec _ bndr rhs) = []
998 ilxRecIds1 (StgRec _ pairs) = map fst pairs
1000 ---------------------------------------------
1001 -- Code for a top-level binding in a module
1002 -- TODO: fix up recursions amongst CAF's
1007 -- For the moment I've put in a completely spurious "reverse"...
1009 -- Consider: make fixing up of CAF's part of ILX? i.e.
1010 -- put static, constant, allocated datastructures into ILX.
1012 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
1013 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
1014 stableSortBy f [] = []
1016 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
1017 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
1018 usedBy (m,_) (n,_) | m == n = EQ
1019 usedBy (m,_) (_,_) = GT
1021 isArg m (StgVarArg n) = (n == m)
1025 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
1026 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
1027 --ilxTopRhs env (bndr,rhs)
1028 ilxTopBind mod env pairs =
1029 vcat [text ".class" <+> pprId mod,
1030 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
1032 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
1034 (nest 2 (vcat [text ".maxstack 100",
1035 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1036 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
1037 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
1040 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
1042 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
1045 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
1046 = vcat [vcat (map (pushId env) free_vs),
1047 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
1048 text "newclo" <+> pprIlxNamedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
1049 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1052 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
1053 bndTy = idIlxRepType bndr
1055 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1056 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1057 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1060 bndTy = idIlxRepType bndr
1062 pprFieldRef env (mod,ty,id)
1063 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1065 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1066 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1068 bndTy = idIlxRepType bndr
1069 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1070 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1072 bndTy = idIlxRepType bndr
1074 --------------------------------------
1076 pushArgWithVoids = pushArg_aux True
1077 pushArg = pushArg_aux False
1079 pushArg_aux voids env (StgTypeArg ty) = empty
1080 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1081 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1084 mapi f l = mapi_aux f l 0
1086 mapi_aux f [] n = []
1087 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1089 --------------------------------------
1091 pushId = pushId_aux False
1093 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1094 pushId_aux voids _ id | isVoidIlxRepId id =
1095 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1096 pushId_aux _ env var
1097 = case lookupIlxVarEnv env var of
1098 Just Arg -> text "ldarg" <+> pprId var
1099 Just (CloVar n) -> text "ldenv" <+> int n
1100 Just Local -> text "ldloc" <+> pprId var
1102 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1103 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1104 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1107 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1108 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1109 <+> pprIlxTopVar env var]
1111 --------------------------------------
1113 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1114 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1115 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1116 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1117 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1118 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1119 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1120 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1121 pushLit env (MachNullAddr) = text "ldc.i4 0"
1122 pushLit env (MachLabel l _) = trace "WARNING: Cannot compile MachLabel to ILX in IlxGen.lhs" (text "// MachLabel!!! Not valid in ILX!!")
1125 | isExternalName 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 (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1143 isVoidIlxRepType (TyConApp tc tys)
1144 = isUnboxedTupleTyCon tc && null (filter (not. isVoidIlxRepType) tys)
1145 isVoidIlxRepType _ = False
1147 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1151 -- Get rid of all NewTy artifacts
1152 deepIlxRepType :: Type -> Type
1153 deepIlxRepType (FunTy l r)
1154 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1156 deepIlxRepType ty@(TyConApp tc tys)
1157 = -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1158 -- e.g. (# State#, Int#, Int# #) ===> (# Int#, Int# #)
1159 if isUnboxedTupleTyCon tc then
1160 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1163 _ -> mkTupleTy Unboxed (length tys') tys'
1165 TyConApp tc (map deepIlxRepType tys)
1166 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1167 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1168 deepIlxRepType (PredTy p) = deepIlxRepType (predTypeRep p)
1169 deepIlxRepType ty@(TyVarTy tv) = ty
1171 idIlxRepType id = deepIlxRepType (idType id)
1173 --------------------------
1174 -- Some primitive type constructors are not thunkable.
1175 -- Everything else needs to be marked thunkable.
1176 ilxTypeL :: IlxEnv -> Type -> SDoc
1178 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1179 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1182 --------------------------
1183 -- Print non-thunkable version of type.
1186 ilxTypeR :: IlxEnv -> Type -> SDoc
1187 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1188 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1189 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))
1190 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1192 -- The following is a special rule for types constructed out of
1193 -- higher kinds, e.g. Monad f or Functor f.
1195 -- The code below is not as general as it should be, but as I
1196 -- have no idea if this approach will even work, I'm going to
1197 -- just try it out on some simple cases arising from the prelude.
1198 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1199 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1200 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1201 = ilxTypeR env (TyConApp tc t)
1202 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1204 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1205 -- is on the left of an arrow
1206 -- We could probably eliminate all but a final occurrence of these.
1207 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1208 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1209 ilxTypeR env (FunTy arg res)
1210 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1212 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1213 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1215 env' = extendIlxEnvWithFormalTyVars env [tv]
1217 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1218 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1219 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1221 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1223 ilxTyConApp env tcon args =
1224 case lookupUFM tyPrimConTable (getUnique tcon) of
1225 Just f -> f args env
1227 (if isUnboxedTupleTyCon tcon then pprIlxUnboxedTupleTyConApp else pprIlxBoxedTyConApp)
1230 pprIlxTyCon env tcon = nameReference env (getName tcon) <> ppr tcon
1231 pprIlxUnboxedTupleTyConApp env tcon args
1232 = text "/* unboxed */ value class" <+> pprIlxTyCon env tcon' <> pprTypeArgs ilxTypeL env non_void
1234 non_void = filter (not . isVoidIlxRepType) args
1235 tcon' = dataConTyCon (tupleCon Unboxed (length non_void))
1236 pprIlxBoxedTyConApp env tcon args
1237 = pprIlxNamedTyConApp env (pprIlxTyCon env tcon) args
1238 pprIlxNamedTyConApp env tcon_text args
1239 = text "class" <+> tcon_text <> pprTypeArgs ilxTypeR env args
1241 -- Returns e.g: <Int32, Bool>
1242 -- Void-sized type arguments are _always_ eliminated, everywhere.
1243 -- If the type constructor is an unboxed tuple type then it should already have
1244 -- been adjusted to be the correct constructor.
1245 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1247 pprTypeArgs_aux f env [] = empty
1248 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1251 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1252 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1253 -- plus a new environment with the type variables added.
1254 pprTyVarBinders env [] = empty
1255 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1257 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1258 pprTyVarBinder env tv =
1259 if isIlxTyVar tv then
1260 angleBrackets (pprTyVarBinder_aux env tv)
1262 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1263 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1264 ilxComment (text "omitted")
1265 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1268 pprTyVarBinder_aux env tv =
1269 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1270 ilxTypeR env (tyVarKind tv)) <+>
1271 (text "class [mscorlib]System.Object")
1273 -- Only a subset of Haskell types can be generalized using the type quantification
1276 ( h `eqKind` liftedTypeKind) ||
1277 ( h `eqKind` unliftedTypeKind) ||
1278 ( h `eqKind` openTypeKind)
1280 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1282 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1284 (tvs, vs) = partition isTyVar fvs
1285 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1287 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1289 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1291 pprId id = singleQuotes (ppr id)
1295 %************************************************************************
1299 %************************************************************************
1302 type IlxTyEnv = [TyVar]
1305 -- Nb. There is currently no distinction between the kinds of type variables.
1306 -- We may need to add this to print out correct numbers, esp. for
1308 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1309 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1310 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1312 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1313 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1315 data HowBound = Top Module -- Bound in a modules
1316 | Arg -- Arguments to the enclosing closure
1317 | CloVar Int -- A free variable of the enclosing closure
1318 -- The int is the index of the field in the
1320 | Local -- Local let binding
1322 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1323 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1324 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1325 type Place = (SDoc,SDoc)
1328 = go 0 (ilxEnvTyEnv env)
1331 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1332 <+> pprSepWithCommas
1333 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1334 (ilxEnvTyEnv env) <+> text "}")
1335 (char '!' <> pprId tv)
1337 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1338 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1341 emptyIlxEnv :: Bool -> Module -> IlxEnv
1342 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1344 nextPlace place sdoc = place <> sdoc
1345 usePlace place sdoc = place <> sdoc
1347 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1348 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1349 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1350 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1351 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1352 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1353 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1355 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1356 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1357 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1359 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1360 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1361 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1362 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1363 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1365 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1366 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1368 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1369 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1371 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1372 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1374 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1375 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1376 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1377 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1380 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1382 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1383 extendVarEnvList id_env (clovs 0 args),
1388 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1390 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1391 = IlxEnv (mod, tv_env, id_env,
1392 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1395 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1396 = IlxEnv (m, tv_env,
1397 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1398 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1400 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1401 = IlxEnv (m, tv_env,
1402 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1403 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1406 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1407 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1409 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1410 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1411 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1412 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1413 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1414 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1420 type IlxLabel = SDoc
1422 pprIlxLabel lbl = lbl
1424 mkJoinLabel :: Id -> IlxLabel
1425 mkJoinLabel v = text "J_" <> ppr v
1427 mkAltLabel :: Id -> Int -> IlxLabel
1428 mkAltLabel v n = text "A" <> int n <> ppr v
1430 ilxLabel :: IlxLabel -> SDoc
1431 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1435 %************************************************************************
1437 \subsection{Local pretty helper functions}
1439 %************************************************************************
1442 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1443 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1444 ilxComment pp = text "/*" <+> pp <+> text "*/"
1445 singleQuotes pp = char '\'' <> pp <> char '\''
1447 line = text "// ----------------------------------"
1449 hscOptionQual = text ".i_"
1452 | isInternalName n = empty
1453 | ilxEnvModule env == nameModule n = text ""
1454 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1455 -- HACK: no Vanilla modules should be around, but they are!! This
1456 -- gets things working for the scenario "standard library linked as one
1457 -- assembly with multiple modules + a one module program running on top of this"
1458 -- Same applies to all other mentions of Vailla modules in this file
1459 | isVanillaModule (nameModule n) && not inPrelude = basePackageReference
1460 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1462 | otherwise = packageReference (modulePackage (nameModule n))
1464 packageReference p = brackets (singleQuotes (ppr p <> hscOptionQual))
1465 moduleNameReference m = brackets ((text ".module") <+> (singleQuotes (pprModuleName m <> hscOptionQual <> text "o")))
1467 moduleReference env m
1468 | ilxEnvModule env == m = text ""
1469 | isHomeModule m = moduleNameReference (moduleName m)
1471 | isVanillaModule m && not inPrelude = basePackageReference
1472 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1474 | otherwise = packageReference (modulePackage m)
1476 basePackageReference = packageReference basePackage
1477 inPrelude = basePackage == opt_InPackage
1479 ------------------------------------------------
1480 -- This code is copied from absCSyn/CString.lhs,
1481 -- and modified to do the correct thing! It's
1482 -- still a mess though. Also, still have to do the
1483 -- right thing for embedded nulls.
1485 pprFSInILStyle :: FastString -> SDoc
1486 pprFSInILStyle fs = doubleQuotes (text (stringToC (unpackFS fs)))
1488 stringToC :: String -> String
1489 -- Convert a string to the form required by C in a C literal string
1490 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1492 stringToC [c] = charToC c
1494 -- if we have something "octifiable" in "c", we'd better "octify"
1495 -- the rest of the string, too.
1496 = if (c < ' ' || c > '~')
1497 then (charToC c) ++ (concat (map char_to_C cs))
1498 else (charToC c) ++ (stringToC cs)
1500 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1502 | c == '\b' = "\\b" -- ToDo: chk some of these...
1507 | otherwise = '\\' : (trigraph (ord c))
1509 charToC :: Char -> String
1510 -- Convert a character to the form reqd in a C character literal
1511 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1524 else '\\' : (trigraph (ord c))
1526 trigraph :: Int -> String
1528 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1529 chr ((n `div` 10) `rem` 10 + ord '0'),
1530 chr (n `rem` 10 + ord '0')]
1535 %************************************************************************
1537 \subsection{PrimOps and Constructors}
1539 %************************************************************************
1542 ----------------------------
1543 -- Allocate a fresh constructor
1545 ilxConApp env data_con args
1546 | isUnboxedTupleCon data_con
1547 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1550 -- Collapse the construction of an unboxed tuple type where
1551 -- every element is zero-sized
1552 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1554 -- Minimize the construction of an unboxed tuple type, which
1555 -- may contain zero-sized elements. Recompute all the
1556 -- bits and pieces from the simpler case below for the new data
1557 -- type constructor....
1558 let data_con' = tupleCon Unboxed (length tm_args') in
1559 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1561 let tycon' = dataConTyCon data_con' in
1562 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1563 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1564 let formal_env' = formalIlxEnv env formal_tyvars' in
1566 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1567 sep [text "newobj void ",
1568 ilxTyConApp env tycon' rep_ty_args',
1570 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1574 -- Now all other constructions
1575 = -- Assume C :: forall a. a -> T a -> T a
1576 -- ldloc x arg of type Int
1577 -- ldloc y arg of type T Int
1578 -- newdata classunion T<Int32>, C(!0, T <!0>)
1580 let tycon = dataConTyCon data_con in
1581 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1582 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1584 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1585 sep [ text "newdata",
1586 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1587 nest 2 (ilxConRef env data_con)
1591 tycon = dataConTyCon data_con
1592 rep_ty_args = map deepIlxRepType ty_args
1593 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1595 -- Split some type arguments off, throwing away the higher kinded ones for the moment.
1596 -- Base the higher-kinded checks off a corresponding list of formals.
1597 splitTyArgs :: [Var] -- Formals
1598 -> [StgArg] -- Actuals
1599 -> ([Type], [StgArg])
1600 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1601 | isIlxTyVar htv = ((h:l), r)
1602 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1603 where (l,r) = splitTyArgs ttv t
1604 splitTyArgs _ l = ([],l)
1606 -- Split some type arguments off, where none should be higher kinded
1607 splitTyArgs1 :: [StgArg] -> ([Type], [StgArg])
1608 splitTyArgs1 (StgTypeArg ty : args) = (ty:tys, args')
1610 (tys, args') = splitTyArgs1 args
1611 splitTyArgs1 args = ([], args)
1613 ilxConRef env data_con
1614 | isUnboxedTupleCon data_con
1615 = let data_con' = tupleCon Unboxed (length non_void_args)in
1616 pprId data_con' <> arg_text
1618 = pprId data_con <> arg_text
1620 arg_text = pprValArgTys ilxTypeL env' (map deepIlxRepType non_void_args)
1621 non_void_args = filter (not . isVoidIlxRepType) arg_tys
1622 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1623 (arg_tys, _) = splitFunTys tau_ty
1624 env' = formalIlxEnv env tyvars
1632 %************************************************************************
1634 \subsection{PrimOps and Prim Representations} *
1635 %************************************************************************
1639 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1642 type IlxTyFrag = IlxEnv -> SDoc
1643 ilxType s env = text s
1645 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1647 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1648 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1650 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1652 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1653 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1654 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1655 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1656 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1657 (charPrimTyConKey, (\_ -> repChar)),
1658 (wordPrimTyConKey, (\_ -> repWord)),
1659 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1660 (intPrimTyConKey, (\_ -> repInt)),
1661 (int64PrimTyConKey, (\_ -> repInt64)),
1662 (word64PrimTyConKey, (\_ -> repWord64)),
1663 (floatPrimTyConKey, (\_ -> repFloat)),
1664 (doublePrimTyConKey, (\_ -> repDouble)),
1665 -- These can all also accept unlifted parameter types so we explicitly lift.
1666 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1667 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1668 (weakPrimTyConKey, (\[ty] -> repWeak (ilxTypeL2 ty))),
1669 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1670 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1671 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1672 (threadIdPrimTyConKey, (\_ -> repThread)),
1673 (bcoPrimTyConKey, (\_ -> repBCO))
1676 ilxTypeL2 :: Type -> IlxTyFrag
1677 ilxTypeL2 ty env = ilxTypeL env ty
1678 ilxTypeR2 :: Type -> IlxTyFrag
1679 ilxTypeR2 ty env = ilxTypeR env ty
1681 ilxMethTyVarA = ilxType "!!0"
1682 ilxMethTyVarB = ilxType "!!1"
1683 prelGHCReference :: IlxTyFrag
1684 prelGHCReference env =
1685 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1686 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1687 else basePackageReference
1689 prelBaseReference :: IlxTyFrag
1690 prelBaseReference env =
1691 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1692 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1693 else basePackageReference
1695 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1696 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1697 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1698 repInt = ilxType "int32"
1699 repWord = ilxType "unsigned int32"
1700 repAddr =ilxType "/* Addr */ void *"
1701 repInt64 = ilxType "int64"
1702 repWord64 = ilxType "unsigned int64"
1703 repFloat = ilxType "float32"
1704 repDouble = ilxType "float64"
1705 repChar = ilxType "/* Char */ unsigned int8"
1706 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1707 repInteger = ilxUnboxedPairRep repInt repByteArray
1708 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1709 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1710 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1711 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1712 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1713 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1714 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1715 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1716 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1717 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1719 ilxTyPair l r = ilxTyParams [l,r]
1720 ilxTyTriple l m r = ilxTyParams [l,m,r]
1721 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1722 ilxUnboxedEmptyRep = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H"]
1723 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyPair l r]
1724 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyTriple l m r]
1725 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z4H",ilxTyQuad l m1 m2 r]
1727 ilxTyIO b = ilxTypeSeq [ilxType "(func ( /* unit skipped */ ) --> ", b, ilxType ")"]
1729 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1730 ilxTyParams [] env = empty
1731 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1733 ilxTyParamsAux [] env = empty
1734 ilxTyParamsAux [h] env = h env
1735 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1736 ilxTyParams [] env = empty
1739 type IlxOpFrag = IlxEnv -> SDoc
1740 ilxOp :: String -> IlxOpFrag
1741 ilxOp s env = text s
1742 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1743 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1745 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1746 ilxParams l env = parens (ilxParamsAux l env)
1748 ilxParamsAux [] env = empty
1749 ilxParamsAux [h] env = h env
1750 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1753 ilxMethodRef rty cls nm tyargs args =
1754 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1755 ilxTyParams tyargs,ilxParams args]
1757 ilxCall m = ilxOpSeq [ilxOp "call", m]
1759 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1760 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1762 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1764 ilxMkBool :: IlxOpFrag
1765 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1766 ilxOp "PrelBase_Bool",
1767 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1768 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1769 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1770 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1771 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1772 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1773 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1774 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1775 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1776 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1777 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1779 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1780 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1782 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1785 CharGtOp -> simp_op ilxCgt
1786 CharGeOp -> simp_op ilxCge
1787 CharEqOp -> simp_op ilxCeq
1788 CharNeOp -> simp_op ilxCne
1789 CharLtOp -> simp_op ilxClt
1790 CharLeOp -> simp_op ilxCle
1792 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1793 ChrOp -> simp_op (ilxOp "conv.u4")
1795 IntGtOp -> simp_op ilxCgt
1796 IntGeOp -> simp_op ilxCge
1797 IntEqOp -> simp_op ilxCeq
1798 IntNeOp -> simp_op ilxCne
1799 IntLtOp -> simp_op ilxClt
1800 IntLeOp -> simp_op ilxCle
1802 Narrow8IntOp -> simp_op (ilxOp"conv.i1")
1803 Narrow16IntOp -> simp_op (ilxOp "conv.i2")
1804 Narrow32IntOp -> simp_op (ilxOp "conv.i4")
1805 Narrow8WordOp -> simp_op (ilxOp "conv.u1")
1806 Narrow16WordOp -> simp_op (ilxOp "conv.u2")
1807 Narrow32WordOp -> simp_op (ilxOp "conv.u4")
1809 WordGtOp -> simp_op ilxCgtUn
1810 WordGeOp -> simp_op ilxCgeUn
1811 WordEqOp -> simp_op ilxCeq
1812 WordNeOp -> simp_op ilxCne
1813 WordLtOp -> simp_op ilxCltUn
1814 WordLeOp -> simp_op ilxCleUn
1816 AddrGtOp -> simp_op ilxCgt
1817 AddrGeOp -> simp_op ilxCge
1818 AddrEqOp -> simp_op ilxCeq
1819 AddrNeOp -> simp_op ilxCne
1820 AddrLtOp -> simp_op ilxClt
1821 AddrLeOp -> simp_op ilxCle
1823 FloatGtOp -> simp_op ilxCgt
1824 FloatGeOp -> simp_op ilxCge
1825 FloatEqOp -> simp_op ilxCeq
1826 FloatNeOp -> simp_op ilxCne
1827 FloatLtOp -> simp_op ilxClt
1828 FloatLeOp -> simp_op ilxCle
1830 DoubleGtOp -> simp_op ilxCgt
1831 DoubleGeOp -> simp_op ilxCge
1832 DoubleEqOp -> simp_op ilxCeq
1833 DoubleNeOp -> simp_op ilxCne
1834 DoubleLtOp -> simp_op ilxClt
1835 DoubleLeOp -> simp_op ilxCle
1837 -- Int#-related ops:
1838 IntAddOp -> simp_op (ilxOp "add")
1839 IntSubOp -> simp_op (ilxOp "sub")
1840 IntMulOp -> simp_op (ilxOp "mul")
1841 IntQuotOp -> simp_op (ilxOp "div")
1842 IntNegOp -> simp_op (ilxOp "neg")
1843 IntRemOp -> simp_op (ilxOp "rem")
1846 AddrAddOp -> simp_op (ilxOp "add")
1847 AddrSubOp -> simp_op (ilxOp "sub")
1848 AddrRemOp -> simp_op (ilxOp "rem")
1849 Int2AddrOp -> warn_op "int2Addr" (simp_op (ilxOp "/* PrimOp int2Addr */ "))
1850 Addr2IntOp -> warn_op "addr2Int" (simp_op (ilxOp "/* PrimOp addr2Int */ "))
1852 -- Word#-related ops:
1853 WordAddOp -> simp_op (ilxOp "add")
1854 WordSubOp -> simp_op (ilxOp "sub")
1855 WordMulOp -> simp_op (ilxOp "mul")
1856 WordQuotOp -> simp_op (ilxOp "div")
1857 WordRemOp -> simp_op (ilxOp "rem")
1859 ISllOp -> simp_op (ilxOp "shl")
1860 ISraOp -> simp_op (ilxOp "shr")
1861 ISrlOp -> simp_op (ilxOp "shr.un")
1862 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1863 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1864 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1867 -- Word#-related ops:
1868 AndOp -> simp_op (ilxOp "and")
1869 OrOp -> simp_op (ilxOp "or")
1870 NotOp -> simp_op (ilxOp "not")
1871 XorOp -> simp_op (ilxOp "xor")
1872 SllOp -> simp_op (ilxOp "shl")
1873 SrlOp -> simp_op (ilxOp "shr")
1874 Word2IntOp -> simp_op (ilxOp "conv.i4")
1875 Int2WordOp -> simp_op (ilxOp "conv.u4")
1877 -- Float#-related ops:
1878 FloatAddOp -> simp_op (ilxOp "add")
1879 FloatSubOp -> simp_op (ilxOp "sub")
1880 FloatMulOp -> simp_op (ilxOp "mul")
1881 FloatDivOp -> simp_op (ilxOp "div")
1882 FloatNegOp -> simp_op (ilxOp "neg")
1883 Float2IntOp -> simp_op (ilxOp "conv.i4")
1884 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1886 DoubleAddOp -> simp_op (ilxOp "add")
1887 DoubleSubOp -> simp_op (ilxOp "sub")
1888 DoubleMulOp -> simp_op (ilxOp "mul")
1889 DoubleDivOp -> simp_op (ilxOp "div")
1890 DoubleNegOp -> simp_op (ilxOp "neg")
1891 Double2IntOp -> simp_op (ilxOp "conv.i4")
1892 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1893 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1894 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1895 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1896 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1898 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1899 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1900 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1901 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1902 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1903 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1904 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1905 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1906 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1907 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1908 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1909 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1910 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1912 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1913 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1914 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1916 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1917 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1918 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1920 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1921 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1922 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1924 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1925 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1926 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1928 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1930 -- Integer (and related...) ops: bail out to support routines
1931 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1932 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1933 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1934 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1935 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1936 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1937 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1938 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1939 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1940 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1941 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1942 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1943 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1944 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1945 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1946 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1947 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1948 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1949 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1950 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1951 -- IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1952 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1953 -- IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1954 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1958 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1959 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1960 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1961 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1962 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1963 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1964 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1965 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1966 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1967 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1968 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1969 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1970 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1971 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1972 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1973 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1975 {- should be monadic??? -}
1976 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1977 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1978 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1979 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1980 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1981 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1982 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1983 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1984 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1985 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1986 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1987 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1988 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1989 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1990 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1991 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1992 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1993 {- ByteArr# -> Int# -> Char# -}
1996 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1997 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1998 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1999 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
2000 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
2001 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
2002 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
2003 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
2004 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
2005 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
2006 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
2007 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
2008 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
2009 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
2010 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
2011 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
2012 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
2014 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2015 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2016 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2017 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2018 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2019 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2020 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2021 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2022 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2023 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2024 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2025 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2026 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2027 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2028 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2029 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
2031 -- ForeignObj: load the address inside the object first
2032 -- TODO: is this remotely right?
2033 EqForeignObj -> warn_op "eqForeignObj" (simp_op (ilxOp "pop /* PrimOp eqForeignObj */ "))
2034 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2035 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
2036 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2037 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2038 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
2039 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
2040 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
2041 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
2042 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
2043 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
2044 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
2045 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
2046 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
2047 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
2048 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
2049 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
2051 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2052 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
2053 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2054 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2055 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
2056 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
2057 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
2058 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
2059 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
2060 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
2061 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
2062 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2063 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2064 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2065 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2066 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2067 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2069 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2070 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2071 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2072 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2073 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2074 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2075 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2076 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"])
2077 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2078 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2079 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2080 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2081 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2082 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2083 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2084 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2085 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2086 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2088 {- should be monadic??? -}
2089 NewPinnedByteArrayOp_Char -> warn_op "newPinnedByteArray" (simp_op (ilxOp "newarr [mscorlib]System.Byte "))
2090 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2091 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2092 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2093 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2094 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2095 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2096 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2097 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2098 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2099 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2100 ByteArrayContents_Char -> warn_op "byteArrayContents" (simp_op ilxAddrOfByteArrOp)
2102 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2103 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2104 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2105 {- ByteArr# -> Int# -}
2107 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2108 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2109 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2110 {- MutByteArr# s -> Int# -}
2112 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2113 {- MutVar# s a -> MutVar# s a -> Bool -}
2114 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2115 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2116 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2117 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2118 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2119 {- MutVar# s a -> a -> State# s -> State# s -}
2121 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethTyVarA])
2122 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2123 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2124 {- Array# a -> Int# -> (# a #) -}
2125 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2126 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2127 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2128 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2129 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2130 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2131 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2132 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2134 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2135 {- MutArr# s a -> MutArr# s a -> Bool -}
2138 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2139 CatchOp -> ty2_op (\ty1 ty2 ->
2140 ilxCallSuppMeth ilxMethTyVarA "'catch'" [ty1,ty2] [ilxLift (ilxTyIO (ilxType "!!0")),
2141 ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2142 {- (State# RealWorld -> (# State# RealWorld, a #) )
2143 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2145 -> (# State# RealWorld, a #)
2148 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2149 ilxCallSuppMeth ilxMethTyVarA "blockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2151 {- (State# RealWorld -> (# State# RealWorld, a #))
2152 -> (State# RealWorld -> (# State# RealWorld, a #))
2155 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2156 ilxCallSuppMeth ilxMethTyVarA "unblockAsyncExceptions" [ty1] [ilxLift (ilxTyIO (ilxType "!!0"))])
2159 State# RealWorld -> (# State# RealWorld, a #))
2160 -> (State# RealWorld -> (# State# RealWorld, a #))
2163 NewMVarOp -> ty2_op (\sty ty ->
2164 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2165 {- State# s -> (# State# s, MVar# s a #) -}
2167 TakeMVarOp -> ty2_op (\sty ty ->
2168 ilxCallSuppMeth ilxMethTyVarA "takeMVar" [ty] [repMVar ilxMethTyVarA])
2169 {- MVar# s a -> State# s -> (# State# s, a #) -}
2171 -- These aren't yet right
2172 TryTakeMVarOp -> ty2_op (\sty ty ->
2173 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA])
2174 {- MVar# s a -> State# s -> (# State# s, a #) -}
2176 TryPutMVarOp -> ty2_op (\sty ty ->
2177 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethTyVarA,ilxMethTyVarA])
2178 {- MVar# s a -> State# s -> (# State# s, a #) -}
2180 PutMVarOp -> ty2_op (\sty ty ->
2181 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethTyVarA, ilxMethTyVarA])
2182 {- MVar# s a -> a -> State# s -> State# s -}
2184 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2185 {- MVar# s a -> MVar# s a -> Bool -}
2187 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2188 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethTyVarA) "tryTakeMVar" [ty] [repMVar ilxMethTyVarA]))
2189 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2191 IsEmptyMVarOp -> ty2_op (\sty ty ->
2192 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethTyVarA])
2193 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2195 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2198 DataToTagOp -> ty1_op (\ty1 ->
2199 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethTyVarA])
2202 TagToEnumOp -> ty1_op (\ty1 ->
2203 ilxCallSuppMeth ilxMethTyVarA "tagToEnum" [ty1] [repInt])
2206 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2207 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2208 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2209 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2211 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2212 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2213 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2214 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2216 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2217 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2219 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2220 {- StablePtr# a -> StablePtr# a -> Int# -}
2222 -- The 3rd argument to MkWeakOp is always a IO Monad action, i.e. passed as () --> ()
2223 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethTyVarB) classWeak "bake" [ilxLift ty1,ilxLift ty2] [ilxMethTyVarA, ilxMethTyVarB, ilxLift (ilxTyIO ilxUnboxedEmptyRep)]))
2224 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2226 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethTyVarA) classWeak "deref" [ty1] [repWeak ilxMethTyVarA]))
2227 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxTyIO ilxUnboxedEmptyRep)) classWeak "finalizer" [ty1] [repWeak ilxMethTyVarA]))
2228 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2229 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2231 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2232 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2233 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2234 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2235 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2236 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2237 -- This pushes a THUNK across as the exception value.
2238 -- This is the correct Haskell semantics... TODO: we should probably
2239 -- push across an HaskellThreadAbortException object that wraps this
2240 -- thunk, but which is still actually an exception of
2241 -- an appropriate type.
2242 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2243 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2245 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2246 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2247 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2248 {- Int# -> State# s -> State# s -}
2250 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2251 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2252 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2253 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2254 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2255 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2256 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2257 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2258 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2259 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2260 -- ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2262 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2263 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2264 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2265 _ -> pprPanic "Unimplemented primop" (ppr op)
2268 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2269 ty1_op op ((StgTypeArg ty1):rest) =
2270 ilxOpSeq [getArgsStartingAt 1 rest,
2271 op (ilxTypeR2 (deepIlxRepType ty1))]
2273 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2274 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2275 ilxOpSeq [getArgsStartingAt 2 rest,
2276 op (ilxTypeR2 (deepIlxRepType ty1))
2277 (ilxTypeR2 (deepIlxRepType ty2))]
2279 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2280 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2281 ilxOpSeq [getArgsStartingAt 3 rest,
2282 op (ilxTypeR2 (deepIlxRepType ty1))
2283 (ilxTypeR2 (deepIlxRepType ty2))
2284 (ilxTypeR2 (deepIlxRepType ty3))]
2286 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2287 arg2_op op [a1, a2] =
2291 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2292 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2293 op (ilxTypeR2 (deepIlxRepType ty1))
2297 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2298 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2299 op (ilxTypeR2 (deepIlxRepType ty1))
2305 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2306 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2307 op (ilxTypeR2 (deepIlxRepType ty1))
2308 (ilxTypeR2 (deepIlxRepType ty2))
2316 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2317 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2319 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2320 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2321 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2324 %************************************************************************
2326 \subsection{C Calls}
2328 %************************************************************************
2331 -- Call the P/Invoke stub wrapper generated in the import section.
2332 -- We eliminate voids in and around an IL C Call.
2333 -- We also do some type-directed translation for pinning Haskell-managed blobs
2334 -- of data as we throw them across the boundary.
2335 ilxFCall env (CCall (CCallSpec (StaticTarget c) cconv gc)) args ret_ty
2336 = ilxComment ((text "C call") <+> pprCLabelString c) <+>
2337 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2338 text "call" <+> retdoc <+> pprCLabelString c <+> tyarg_doc
2339 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2341 retdoc | isVoidIlxRepType ret_ty = text "void"
2342 | otherwise = ilxTypeR env (deepIlxRepType ret_ty)
2343 (ty_args,tm_args) = splitTyArgs1 args
2344 tyarg_doc | not (isEmptyVarSet (tyVarsOfTypes ty_args)) = text "/* type variable found */"
2345 | otherwise = pprTypeArgs ilxTypeR env ty_args
2347 ilxFCall env (DNCall (DNCallSpec call_instr)) args ret_ty
2348 = ilxComment (text "IL call") <+>
2349 vcat [vcat (ilxMapPlaceArgs 0 pushEvalArg env tm_args),
2351 -- In due course we'll need to pass the type arguments
2352 -- and to do that we'll need to have more than just a string
2356 (ty_args,tm_args) = splitTyArgs1 args
2358 -- Push and argument and force its evaluation if necessary.
2359 pushEvalArg _ (StgTypeArg _) = empty
2360 pushEvalArg env (StgVarArg arg) = ilxFunApp env arg [] False
2361 pushEvalArg env (StgLitArg lit) = pushLit env lit
2364 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2365 hasTyCon _ _ = False
2367 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2368 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2370 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2371 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2373 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2375 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2376 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2377 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2378 pushCArg env arg | otherwise = pushArg env arg
2380 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2381 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2382 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2383 pprCValArgTy f env ty | otherwise = f env ty
2386 foldR :: (a -> b -> b) -> [a] -> b -> b
2388 -- foldR f (x:xs) z = f x (foldR f xs z)
2389 {-# INLINE foldR #-}
2390 foldR k xs z = go xs
2393 go (y:ys) = y `k` go ys