2 \section{Generate COM+ extended assembler}
5 module IlxGen( ilxGen ) where
7 #include "HsVersions.h"
9 import Char ( ord, chr )
11 import Id ( idType, idName, isDeadBinder, idArityInfo )
12 import IdInfo ( arityLowerBound )
13 import Var ( Var, Id, TyVar, isId, isTyVar, tyVarKind, tyVarName )
15 import TyCon ( TyCon, tyConPrimRep, isUnboxedTupleTyCon, tyConDataCons,
16 newTyConRep, tyConTyVars, isDataTyCon, isAlgTyCon, tyConArity
18 import Type ( liftedTypeKind, openTypeKind, unliftedTypeKind,
19 isUnLiftedType, isTyVarTy, mkTyVarTy, predRepTy,
20 splitForAllTys, splitFunTys, applyTy, applyTys
22 import TypeRep ( Type(..) )
23 import DataCon ( isUnboxedTupleCon, dataConTyCon, dataConRepType, dataConRepArgTys )
24 import Literal ( Literal(..) )
25 import PrelNames -- Lots of keys
26 import PrimOp ( PrimOp(..), CCallTarget(..),CCall(..) )
27 import TysWiredIn ( mkTupleTy, tupleCon )
28 import PrimRep ( PrimRep(..) )
29 import Name ( nameModule, nameOccName, isGlobalName, isLocalName, NamedThing(getName) )
30 import Subst ( substTy, mkTyVarSubst )
32 import Module ( Module, PackageName, ModuleName, moduleName,
33 modulePackage, preludePackage,
34 isHomeModule, isVanillaModule,
35 pprModuleName, mkHomeModule, mkModuleName
39 import BasicTypes ( Boxity(..) )
40 import CStrings ( CLabelString, pprCLabelString )
41 import CallConv ( CallConv )
44 import List ( partition, elem, insertBy,any )
46 import {-# SOURCE #-} PprType( pprType ) -- Only called in debug messages
48 import TysPrim ( foreignObjPrimTyCon, weakPrimTyCon, byteArrayPrimTyCon, mutableByteArrayPrimTyCon )
50 -- opt_SimplDoEtaReduction is used to help with assembly naming conventions for different
51 -- versions of compiled Haskell code. We add a ".O" to all assembly and module
52 -- names when this is set (because that's clue that -O was set).
53 -- One day this will be configured by the command line.
54 import CmdLineOpts ( opt_InPackage, opt_SimplDoEtaReduction )
60 %************************************************************************
62 \subsection{Main driver}
64 %************************************************************************
67 ilxGen :: Module -> [TyCon] -> [(StgBinding,[Id])] -> SDoc
68 -- The TyCons should include those arising from classes
69 ilxGen mod tycons binds_w_srts
70 = vcat [vcat (map (ilxImportPackage topenv) (uniqSetToList import_packages)),
71 vcat (map (ilxImportModule topenv) (uniqSetToList import_modules)),
72 vcat (map (ilxImportTyCon topenv) (uniqSetToList import_tycons)),
73 vcat (map (ilxImportCCall topenv) (map snd (ufmToList import_ccalls))),
74 vcat (map (ilxTyCon topenv) data_tycons),
75 vcat (map (ilxBindClosures topenv) binds),
76 ilxTopBind mod topenv toppairs
79 binds = map fst binds_w_srts
80 toppairs = ilxPairs binds
81 topenv = extendIlxEnvWithTops (emptyIlxEnv False mod) mod toppairs
82 -- Generate info from class decls as well
83 (import_packages,import_modules,import_tycons,import_ccalls) = importsBinds topenv binds (importsPrelude emptyImpInfo)
84 data_tycons = filter isDataTyCon tycons
87 %************************************************************************
89 \subsection{Find Imports}
91 %************************************************************************
95 importsBinds :: IlxEnv -> [StgBinding] -> ImportsInfo-> ImportsInfo
96 importsBinds env binds = foldR (importsBind env) binds
98 importsNone :: ImportsInfo -> ImportsInfo
99 importsNone sofar = sofar
101 importsBind :: IlxEnv -> StgBinding -> ImportsInfo -> ImportsInfo
102 importsBind env (StgNonRec _ b rhs) = importsRhs env rhs.importsVar env b
103 importsBind env (StgRec _ pairs) = foldR (\(b,rhs) -> importsRhs env rhs . importsVar env b) pairs
105 importsRhs :: IlxEnv -> StgRhs -> ImportsInfo -> ImportsInfo
106 importsRhs env (StgRhsCon _ con args) = importsDataCon env con . importsStgArgs env args
107 importsRhs env (StgRhsClosure _ _ _ _ args body) = importsExpr env body. importsVars env args
109 importsExpr :: IlxEnv -> StgExpr -> ImportsInfo -> ImportsInfo
110 importsExpr env (StgLit _) = importsNone
111 importsExpr env (StgApp f args) = importsVar env f.importsStgArgs env args
112 importsExpr env (StgConApp con args) = importsDataCon env con.importsStgArgs env args
113 importsExpr env (StgPrimApp (CCallOp (CCall (StaticTarget c) _ _ cc)) args rty)
114 = addCCallInfo (c,cc, map stgArgType tm_args, rty) . importsStgArgs env args
116 (ty_args,tm_args) = splitTyArgs1 args
118 importsExpr env (StgPrimApp _ args res_ty) = importsType env res_ty. importsStgArgs env args
121 importsExpr env (StgSCC _ expr) = importsExpr env expr
122 importsExpr env (StgCase scrut _ _ bndr _ alts)
123 = importsExpr env scrut. imports_alts alts. importsVar env bndr
125 imports_alts (StgAlgAlts _ alg_alts deflt) -- The Maybe TyCon part is dealt with
126 -- by the case-binder's type
127 = foldR imports_alg_alt alg_alts . imports_deflt deflt
129 imports_alg_alt (con, bndrs, _, rhs)
130 = importsExpr env rhs . importsDataCon env con. importsVars env bndrs
132 imports_alts (StgPrimAlts _ alg_alts deflt)
133 = foldR imports_prim_alt alg_alts . imports_deflt deflt
135 imports_prim_alt (_, rhs) = importsExpr env rhs
136 imports_deflt StgNoDefault = importsNone
137 imports_deflt (StgBindDefault rhs) = importsExpr env rhs
140 importsExpr env (StgLetNoEscape _ _ bind body) = importsExpr env (StgLet bind body)
141 importsExpr env (StgLet bind body)
142 = importsBind env bind . importsExpr env body
144 importsApp env v args = importsVar env v. importsStgArgs env args
145 importsStgArgs env args = foldR (importsStgArg env) args
147 importsStgArg :: IlxEnv -> StgArg -> ImportsInfo -> ImportsInfo
148 importsStgArg env (StgTypeArg ty) = importsType env ty
149 importsStgArg env (StgVarArg v) = importsVar env v
150 importsStgArg env _ = importsNone
152 importsVars env vs = foldR (importsVar env) vs
153 importsVar env v = importsName env (idName v). importsType env (idType v)
156 | isLocalName n = importsNone
157 | ilxEnvModule env == nameModule n = importsNone
158 | isHomeModule (nameModule n) = addModuleImpInfo (moduleName (nameModule n))
160 | isVanillaModule (nameModule n) && not inPrelude = importsPrelude
161 | isVanillaModule (nameModule n) && inPrelude = addModuleImpInfo (moduleName (nameModule n))
163 | otherwise = addPackageImpInfo (modulePackage (nameModule n))
166 importsType :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
167 importsType env ty = importsType2 env (deepIlxRepType ty)
169 importsType2 :: IlxEnv -> Type -> ImportsInfo -> ImportsInfo
170 importsType2 env (AppTy f x) = importsType2 env f . importsType2 env x
171 importsType2 env (TyVarTy _) = importsNone
172 importsType2 env (TyConApp tc args) =importsTyCon env tc . importsTypeArgs2 env args
173 importsType2 env (FunTy arg res) = importsType env arg . importsType2 env res
174 importsType2 env (ForAllTy tv body_ty) = importsType2 env body_ty
175 importsType2 env (NoteTy _ ty) = importsType2 env ty
176 importsType2 _ _ = panic "IlxGen.lhs: importsType2 ty"
177 importsTypeArgs2 env tys = foldR (importsType2 env) tys
179 importsDataCon env dcon = importsTyCon env (dataConTyCon dcon)
181 importsTyCon env tc | (not (isDataTyCon tc) ||
182 isLocalName (getName tc) ||
183 ilxEnvModule env == nameModule (getName tc)) = importsNone
184 importsTyCon env tc | otherwise = importsName env (getName tc) . addTyConImpInfo tc
186 importsPrelude | inPrelude = addModuleImpInfo (mkModuleName "PrelGHC")
187 | otherwise = addPackageImpInfo preludePackage
189 type StaticCCallInfo = (CLabelString,CallConv,[Type],Type)
190 type ImportsInfo = (UniqSet PackageName, UniqSet ModuleName, UniqSet TyCon, UniqFM StaticCCallInfo)
191 -- (Packages, Modules, Datatypes, Imported CCalls)
193 emptyImpInfo :: ImportsInfo
194 emptyImpInfo = (emptyUniqSet, emptyUniqSet, emptyUniqSet, emptyUFM)
195 addPackageImpInfo p (w,x,y,z) = (addOneToUniqSet w p, x, y,z)
196 addModuleImpInfo m (w,x,y,z) = (w, addOneToUniqSet x m, y,z)
197 addTyConImpInfo tc (w,x,y,z) = (w, x, addOneToUniqSet y tc,z)
198 addCCallInfo info@(nm,a,b,c) (w,x,y,z) = (w, x, y,addToUFM z nm info)
200 ilxImportTyCon :: IlxEnv -> TyCon -> SDoc
201 ilxImportTyCon env tycon | isDataTyCon tycon = ilxTyConDef True env tycon
202 ilxImportTyCon _ _ | otherwise = empty
204 ilxImportPackage :: IlxEnv -> PackageName -> SDoc
205 ilxImportPackage _ p = text ".assembly extern ilx" <+> singleQuotes (ppr p <> hscOptionQual) <+> text "{ }"
207 ilxImportModule :: IlxEnv -> ModuleName -> SDoc
208 ilxImportModule _ m = text ".module extern ilx" <+> singleQuotes (ppr m <> hscOptionQual <> text ".dll")
210 -- Emit a P/Invoke declaration for the imported C function
211 -- TODO: emit the right DLL name
212 ilxImportCCall :: IlxEnv -> StaticCCallInfo -> SDoc
213 ilxImportCCall env (c,cc,args,ret) =
214 text ".method static assembly pinvokeimpl" <+>
215 parens (doubleQuotes (text "HSstd_cbits.dll") <+> text "cdecl") <+> retdoc <+> singleQuotes (pprCLabelString c) <+>
216 pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) args)) <+>
217 text "native unmanaged preservesig { }"
220 if isVoidIlxRepType ret then text "void"
221 else ilxTypeR env (deepIlxRepType ret)
226 %************************************************************************
228 \subsection{Type declarations}
230 %************************************************************************
235 ilxTyCon :: IlxEnv -> TyCon -> SDoc
236 ilxTyCon env tycon = ilxTyConDef False env tycon
238 -- filter to get only dataTyCons?
239 ilxTyConDef importing env tycon =
241 text ".classunion" <+> (if importing then text "extern" else empty) <+> text "thunk"
242 <+> ((nameReference env (getName tycon)) <> (ppr tycon)) <+> tyvars_text <+> alts_text]
244 tyvars = tyConTyVars tycon
245 (ilx_tvs, _) = categorizeTyVars tyvars
246 alts_env = extendIlxEnvWithFormalTyVars env ilx_tvs
247 tyvars_text = pprTyVarBinders alts_env ilx_tvs
248 alts = vcat (map (pprIlxDataCon alts_env) (tyConDataCons tycon))
249 alts_text = nest 2 (braces alts)
251 pprIlxDataCon env dcon =
252 text ".alternative" <+> pprId dcon <+>
253 parens (pprSepWithCommas (ilxTypeL env) (map deepIlxRepType (filter (not. isVoidIlxRepType) (dataConRepArgTys dcon))))
257 %************************************************************************
259 \subsection{Getting the .closures and literals out} *
260 %************************************************************************
264 ilxBindClosures :: IlxEnv -> StgBinding -> SDoc
265 ilxBindClosures env (StgNonRec _ b rhs) = ilxRhsClosures env (b,rhs)
266 ilxBindClosures env (StgRec _ pairs)
267 = vcat (map (ilxRhsClosures new_env) pairs)
269 new_env = extendIlxEnvWithBinds env pairs
272 ilxRhsClosures _ (_, StgRhsCon _ _ _)
275 ilxRhsClosures env (bndr, StgRhsClosure _ _ fvs upd args rhs)
276 = vcat [ilxExprClosures next_env rhs,
279 kind_text <+> singleQuotes cloname <+> free_vs_text,
282 vcat [text ".apply" <+> closure_sig_text,
290 kind_of_thing = case upd of
291 Updatable -> ASSERT( null args ) ".thunk"
292 otherwise -> ".closure"
293 kind_text = text kind_of_thing
295 cloname = ilxEnvQualifyByModule env (ppr bndr)
296 next_env = ilxPlaceStgRhsClosure env bndr
297 (free_vs_text,env_with_fvs) = pprFreeBinders next_env fvs
304 otherwise -> args_text),
305 text "-->" <+> rty_text]
307 (args_text,env_with_args) = pprArgBinders env_with_fvs args
309 -- Find the type returned, from the no. of args and the type of "bndr"
311 case retType env_with_fvs (idIlxRepType bndr) args of
313 if isVoidIlxRepType ty then (text "void")
315 Nothing -> trace "WARNING! IlxGen.trace could not find return type - see generated ILX for context where this occurs." (text "// Could not find return type:" <+> ilxTypeR env_with_fvs (idIlxRepType bndr)<+> text ", non representation: " <+> ilxTypeR env_with_fvs (idType bndr))
317 -- strip off leading ForAll and Fun type constructions
318 -- up to the given number of arguments, extending the environment as
320 retType env ty [] = Just (env, ty)
321 retType env (ForAllTy tv ty) (arg:args) = retType (extendIlxEnvWithTyArgs env [tv]) ty args
322 retType env (FunTy l r) (arg:args) = retType env r args
323 retType _ _ _ = Nothing
325 -- Code for the local variables
326 locals = ilxExprLocals env_with_args rhs
328 env_with_locals = extendIlxEnvWithLocals env_with_args locals
330 -- Code for the body of the main apply method
331 body_code = vcat [empty,
332 pprIlxLocals env_with_args locals,
333 ilxExpr (IlxEEnv env_with_locals (mkUniqSet (filter (not.isTyVar) args))) rhs Return,
337 body_text = nest 2 (braces (text ".maxstack 100" <+> nest 2 body_code))
340 pprIlxLocals env [] = empty
342 = text ".locals" <+> parens (pprSepWithCommas (pprIlxLocal env) (filter nonVoidLocal vs))
344 nonVoidLocal (LocalId v,_) = not (isVoidIlxRepId v)
345 nonVoidLocal _ = True
347 pprIlxLocal env (LocalId v,_) = ilxTypeL env (idIlxRepType v) <+> pprId v
348 pprIlxLocal env (LocalSDoc (ty,doc,pin),_) = ilxTypeL env (deepIlxRepType ty) <+> (if pin then text "pinned" else empty) <+> doc
351 pprFreeBinders env fvs
352 = (ilx_tvs_text <+> vs_text, env2)
354 (free_ilx_tvs, _,free_vs) = categorizeVars fvs
355 real_free_vs = filter (not . isVoidIlxRepId) free_vs
356 -- ignore the higher order type parameters for the moment
357 env1 = extendIlxEnvWithFreeTyVars env free_ilx_tvs
358 ilx_tvs_text = pprTyVarBinders env1 free_ilx_tvs
359 vs_text = parens (pprSepWithCommas ppr_id real_free_vs)
360 ppr_id v = ilxTypeL env1 (idIlxRepType v) <+> pprId v
361 env2 = extendIlxEnvWithFreeVars env1 real_free_vs
363 pprIdBinder env v = parens (ilxTypeL env (idIlxRepType v) <+> pprId v)
365 -- Declarations for the arguments of the main apply method
366 pprArgBinders env [] = (empty,env)
367 pprArgBinders env (arg:args)
368 = (arg_text <+> rest_text, res_env)
370 (arg_text,env') = pprArgBinder env arg
371 (rest_text,res_env) = pprArgBinders env' args
373 -- We could probably omit some void argument binders, but
376 | isVoidIlxRepId arg = (text "()", extendIlxEnvWithArgs env [arg])
378 = if isTyVar arg then
379 let env' = extendIlxEnvWithTyArgs env [arg] in
380 (pprTyVarBinder env' arg, env')
381 else (pprIdBinder env arg,extendIlxEnvWithArgs env [arg])
384 -- Compute local variables used by generated method.
385 -- The names of some generated locals are recorded as SDocs.
387 data LocalSpec = LocalId Id | LocalSDoc (Type, SDoc, Bool) -- flag is for pinning
389 ilxExprLocals :: IlxEnv -> StgExpr -> [(LocalSpec,Maybe (IlxEnv,StgRhs))]
390 ilxExprLocals env (StgLet bind body) = ilxBindLocals env bind ++ ilxExprLocals env body
391 ilxExprLocals env (StgLetNoEscape _ _ bind body) = ilxBindLocals env bind ++ ilxExprLocals env body -- TO DO????
392 ilxExprLocals env (StgCase scrut _ _ bndr _ alts)
393 = ilxExprLocals (ilxPlaceStgCaseScrut env) scrut ++
394 (if isDeadBinder bndr then [] else [(LocalId bndr,Nothing)]) ++
395 ilxAltsLocals env alts
396 ilxExprLocals env (StgPrimApp (CCallOp (CCall (StaticTarget _)_ _ _)) args _)
397 = concat (ilxMapPlaceArgs 0 ilxCCallArgLocals env args)
398 ilxExprLocals _ _ = []
400 -- Generate locals to use for pinning arguments as we cross the boundary
402 ilxCCallArgLocals env (StgVarArg v) | pinCCallArg v =
403 [(LocalSDoc (idType v, ilxEnvQualifyByExact env (ppr v) <> text "pin", True), Nothing)]
404 ilxCCallArgLocals _ _ | otherwise = []
406 ilxBindLocals env (StgNonRec _ b rhs) = [(LocalId b,Just (env, rhs))]
407 ilxBindLocals env (StgRec _ pairs) = map (\(x,y) -> (LocalId x,Just (env, y))) pairs
409 ilxAltsLocals env (StgAlgAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxAlgAltLocals env alts)
410 ilxAltsLocals env (StgPrimAlts _ alts deflt) = ilxDefltLocals env deflt ++ concat (ilxMapPlaceAlts ilxPrimAltLocals env alts)
412 ilxAlgAltLocals env (_, bndrs, _, rhs) = map (\x -> (LocalId x,Nothing)) (filter (\v -> isId v && not (isDeadBinder v)) bndrs) ++ ilxExprLocals env rhs
413 ilxPrimAltLocals env (_, rhs) = ilxExprLocals env rhs
415 ilxDefltLocals _ StgNoDefault = []
416 ilxDefltLocals env (StgBindDefault rhs) = ilxExprLocals (ilxPlaceStgBindDefault env) rhs
419 ilxExprClosures :: IlxEnv -> StgExpr -> SDoc
420 ilxExprClosures env (StgApp _ args)
421 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
422 ilxExprClosures env (StgConApp _ args)
423 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
424 ilxExprClosures env (StgPrimApp _ args _)
425 = vcat (ilxMapPlaceArgs 0 (ilxArgClosures) env args) -- get strings
426 ilxExprClosures env (StgLet bind body)
427 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
428 ilxExprClosures env (StgLetNoEscape _ _ bind body) -- TO DO????
429 = ilxBindClosures env bind $$ ilxExprClosures (extendIlxEnvWithBinds env (ilxPairs1 bind)) body
430 ilxExprClosures env (StgCase scrut _ _ _ _ alts)
431 = ilxExprClosures (ilxPlaceStgCaseScrut env) scrut $$ ilxAltsClosures env alts
432 ilxExprClosures env (StgLit lit)
437 ilxAltsClosures env (StgAlgAlts _ alts deflt)
438 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, _, _, rhs)) <- [1..] `zip` alts]
440 ilxDefltClosures env deflt
442 ilxAltsClosures env (StgPrimAlts _ alts deflt)
443 = vcat [ilxExprClosures (ilxPlaceAlt env i) rhs | (i,(_, rhs)) <- [1..] `zip` alts]
445 vcat [ ilxGenLit (ilxPlacePrimAltLit env i) lit | (i,(lit,_)) <- [1..] `zip` alts]
447 ilxDefltClosures env deflt
449 ilxDefltClosures env (StgBindDefault rhs) = ilxExprClosures (ilxPlaceStgBindDefault env) rhs
450 ilxDefltClosures _ StgNoDefault = empty
452 ilxArgClosures env (StgLitArg lit) = ilxGenLit env lit
453 ilxArgClosures _ _ = empty
457 ilxGenLit env (MachStr fs)
458 = vcat [text ".field static assembly char " <+> singleQuotes nm <+> text "at" <+> nm <> text "L",
459 text ".data" <+> nm <> text "L" <+> text "= char *(" <> pprFSInILStyle fs <> text ")"
462 nm = ilxEnvQualifyByExact env (text "string")
464 ilxGenLit _ _ = empty
469 %************************************************************************
471 \subsection{Generating code}
473 %************************************************************************
478 -- Environment when generating expressions
479 data IlxEEnv = IlxEEnv IlxEnv (UniqSet Id)
481 data Sequel = Return | Jump IlxLabel
483 ilxSequel Return = text "ret"
484 ilxSequel (Jump lbl) = text "br" <+> pprIlxLabel lbl
486 isReturn Return = True
487 isReturn (Jump _) = False
490 ilxExpr :: IlxEEnv -> StgExpr
491 -> Sequel -- What to do at the end
494 ilxExpr (IlxEEnv env _) (StgApp fun args) sequel
495 = ilxFunApp env fun args (isReturn sequel) $$ ilxSequel sequel
497 -- ilxExpr eenv (StgLit lit) sequel
498 ilxExpr (IlxEEnv env _) (StgLit lit) sequel
499 = pushLit env lit $$ ilxSequel sequel
501 -- ilxExpr eenv (StgConApp data_con args) sequel
502 ilxExpr (IlxEEnv env _) (StgConApp data_con args) sequel
503 = text " /* ilxExpr:StgConApp */ " <+> ilxConApp env data_con args $$ ilxSequel sequel
505 -- ilxExpr eenv (StgPrimApp primop args _) sequel
506 ilxExpr (IlxEEnv env _) (StgPrimApp primop args ret_ty) sequel
507 = ilxPrimApp env primop args ret_ty $$ ilxSequel sequel
510 -- The following are versions of a peephole optimizations for "let t = \[] t2[fvs] in t"
511 -- I think would be subsumed by a general treatmenet of let-no-rec bindings??
512 ilxExpr eenv@(IlxEEnv env _) (StgLet (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
513 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
514 = ilxExpr eenv rhs sequel
515 ilxExpr eenv@(IlxEEnv env _) (StgLetNoEscape _ _ (StgNonRec _ bndr (StgRhsClosure _ _ _ _ [] rhs)) (StgApp fun [])) sequel
516 | (bndr == fun && null (ilxExprLocals env rhs)) -- TO DO???
517 = ilxExpr eenv rhs sequel
520 ilxExpr eenv (StgLet bind body) sequel
521 = ilxBind eenv bind $$ ilxExpr eenv body sequel
524 ilxExpr eenv (StgLetNoEscape _ _ bind body) sequel -- TO DO???
525 = ilxBind eenv bind $$ ilxExpr eenv body sequel
527 -- StgCase: Special case 1 to avoid spurious branch.
528 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgApp fun args) live_in_case _live_in_alts bndr _ alts) sequel
529 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
530 ilxFunApp (ilxPlaceStgCaseScrut env) fun args False,
531 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
532 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
533 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
536 -- StgCase: Special case 2 to avoid spurious branch.
537 ilxExpr eenv@(IlxEEnv env live) (StgCase (StgPrimApp primop args ret_ty) live_in_case _live_in_alts bndr _ alts) sequel
538 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
539 ilxPrimApp (ilxPlaceStgCaseScrut env) primop args ret_ty,
540 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
541 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
542 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
545 -- StgCase: Normal case.
546 ilxExpr eenv@(IlxEEnv env live) (StgCase scrut live_in_case _live_in_alts bndr _ alts) sequel
547 = vcat [ilxWipe env (uniqSetToList (live `minusUniqSet` live_in_case)),
548 ilxExpr (IlxEEnv (ilxPlaceStgCaseScrut env) live_in_case) scrut (Jump join_lbl),
550 --ilxWipe env (uniqSetToList (live_in_case `minusUniqSet` _live_in_alts)),
551 --ilxAlts (IlxEEnv env _live_in_alts) bndr alts sequel
552 ilxAlts (IlxEEnv env live_in_case) bndr alts sequel
555 join_lbl = mkJoinLabel bndr
558 = panic "ilxExpr: Patterns not matched:(IlxEEnv _ _) (StgSCC _ _) _ (IlxEEnv _ _) (StgLam _ _ _) _"
561 -- Wipe out locals and arguments that are no longer in use, to
562 -- prevent space leaks. If the VM is implemented 100% correctly then
563 -- this should probably not be needed, as the live variable analysis
564 -- in the JIT would tell the GC that these locals and arguments are
565 -- no longer live. However I'm putting it in here so we can
566 -- check out if it helps.
568 -- Also, in any case this doesn't capture everything we need. e.g.
569 -- when making a call:
571 -- where x is not used in the alternatives, then the variable x
572 -- is no longer live from the point it is transferred to the call
573 -- onwards. We should expunge "live_in_case - live_in_alts" right
574 -- before making the call, not after returning from the call....
576 -- Strictly speaking we also don't need to do this for primitive
577 -- values such as integers and addresses, i.e. things not
578 -- mapped down to GC'able objects.
580 = vcat (map (ilxWipeOne env) (filter (not.isVoidIlxRepId) ids))
583 = case lookupIlxVarEnv env id of
584 Just Local -> text "ldloca " <+> pprId id <+> text "initobj" <+> (ilxTypeL env (idIlxRepType id))
585 Just Arg -> text "deadarg " <+> pprId id <+> text "," <+> (ilxTypeL env (idIlxRepType id))
586 Just (CloVar _) -> ilxComment (text "not yet wiping closure variable" <+> pprId id )
587 _ -> ilxComment (text "cannot wipe non-local/non-argument" <+> pprId id )
591 ----------------------
593 ilxAlts :: IlxEEnv -> Id -> StgCaseAlts -> Sequel -> SDoc
594 ilxAlts (IlxEEnv env live) bndr alts sequel
595 -- At the join label, the result is on top
597 = vcat [store_in_bndr,
598 do_case_analysis alts
601 scrut_rep_ty = deepIlxRepType (idType bndr)
603 store_in_bndr | isDeadBinder bndr = empty
604 | isVoidIlxRepId bndr
605 = ilxComment (text "ignoring store of zero-rep value to be analyzed")
606 | otherwise = text "dup" $$ (text "stloc" <+> pprId bndr)
608 do_case_analysis (StgAlgAlts _ [] deflt)
611 do_case_analysis (StgAlgAlts _ args deflt)
612 = do_alg_alts ([1..] `zip` args) deflt
614 do_case_analysis (StgPrimAlts _ alts deflt)
615 = do_prim_alts ([1..] `zip` alts) $$ do_deflt deflt
617 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault | isUnboxedTupleCon data_con
618 -- Collapse the analysis of unboxed tuples where
619 -- some or all elements are zero-sized
621 -- TO DO: add bndrs to set of live variables
623 [h] -> bind_collapse bndrs used_flags <+> do_rhs_no_pop alt_env rhs
624 _ -> bind_components alt_env dcon' bndrs 0 used_flags <+> do_rhs alt_env rhs
626 bndrs' = filter (not. isVoidIlxRepId) bndrs
627 -- Replacement unboxed tuple type constructor, used if any of the
628 -- arguments have zero-size and more than one remains.
629 dcon' = tupleCon Unboxed (length bndrs')
631 alt_env = IlxEEnv (ilxPlaceAlt env i) live
632 --alt_env = IlxEEnv (ilxPlaceAlt env i)
634 bind_collapse [] _ = panic "bind_collapse: unary element not found"
635 bind_collapse (h:t) (is_used:used_flags)
636 | isVoidIlxRepId h = ilxComment (text "zero-rep binding eliminated") <+> (bind_collapse t used_flags)
637 | not is_used = ilxComment (text "not used") <+> text "pop"
638 | otherwise = text "stloc" <+> pprId h
641 do_alg_alts [(i, alt@(data_con,bndrs,used_flags, rhs))] StgNoDefault
642 = vcat [text "castdata" <+> sep [ilxTypeR env scrut_rep_ty <> comma,
643 ilxConRef env data_con],
644 do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
647 do_alg_alts alts deflt
648 = vcat [text "datacase" <+> sep [ilxTypeR env scrut_rep_ty,text ",",
649 pprSepWithCommas pp_case labels_w_alts],
651 vcat (map do_labelled_alg_alt labels_w_alts)
654 pp_case (i, (lbl, (data_con, _, _, _))) = parens (ilxConRef env data_con <> comma <> pprIlxLabel lbl)
655 labels_w_alts = [(i,(mkAltLabel bndr i, alt)) | (i, alt) <- alts]
657 do_prim_alts [] = empty
658 do_prim_alts ((i, (lit,alt)) : alts)
659 = vcat [text "dup", pushLit (ilxPlacePrimAltLit env i) lit, text "bne.un" <+> pprIlxLabel lbl,
660 do_rhs (IlxEEnv (ilxPlaceAlt env i) live) alt,
661 ilxLabel lbl, do_prim_alts alts]
663 lbl = mkAltLabel bndr i
665 do_labelled_alg_alt (i,(lbl, alt))
666 = ilxLabel lbl $$ do_alg_alt (IlxEEnv (ilxPlaceAlt env i) live) alt
668 do_alg_alt alt_eenv (data_con, bndrs, used_flags, rhs)
669 = vcat [bind_components alt_eenv data_con bndrs 0 used_flags,
673 bind_components alt_eenv data_con [] n _ = empty
674 bind_components alt_eenv data_con (h:t) n (is_used:used_flags)
676 -- don't increase the count in this case
677 = ilxComment (text "zero-rep binding eliminated")
678 <+> bind_components alt_eenv data_con t n used_flags
680 = bind_component alt_eenv data_con h is_used n
681 <+> bind_components alt_eenv data_con t (n + 1) used_flags
683 bind_component alt_eenv@(IlxEEnv alt_env _) data_con bndr is_used reduced_fld_no
685 = ilxComment (text "not used")
686 | isVoidIlxRepId bndr
687 = ilxComment (text "ignoring bind of zero-rep variable")
688 | otherwise = vcat [text "dup",
689 ld_data alt_env data_con reduced_fld_no bndr,
690 text "stloc" <+> pprId bndr]
692 do_deflt (StgBindDefault rhs) = do_rhs (IlxEEnv (ilxPlaceStgBindDefault env) live) rhs
693 do_deflt StgNoDefault = empty
696 | isVoidIlxRepId bndr = do_rhs_no_pop alt_eenv rhs -- void on the stack, nothing to pop
697 | otherwise = text "pop" $$ do_rhs_no_pop alt_eenv rhs -- drop the value
699 do_rhs_no_pop alt_env rhs = ilxExpr alt_env rhs sequel
701 ld_data alt_env data_con reduced_fld_no bndr
702 | isUnboxedTupleCon data_con
703 = text "ldfld" <+> sep [text "!" <> integer reduced_fld_no,
704 ilxTypeR alt_env scrut_rep_ty <> text "::fld" <> integer reduced_fld_no]
706 = text "lddata" <+> sep [ilxTypeR alt_env scrut_rep_ty <> comma,
707 ilxConRef env data_con <> comma,
708 integer reduced_fld_no]
711 -------------------------
717 -- Constants of unlifted types are represented as
718 -- applications to no arguments.
719 ilxFunApp env fun [] _ | isUnLiftedType (idType fun)
722 ilxFunApp env fun args tail_call
724 -- ldloc f function of type forall a. a->a
725 -- ldloc x arg of type Int
726 -- .tail callfunc <Int32> (!0) --> !0
728 vcat [pushId env fun,ilxFunAppArgs env 0 (idIlxRepType fun) args tail_call known_clo]
731 case lookupIlxBindEnv env fun of
732 Just (_, StgRhsClosure _ _ _ Updatable _ _) -> Nothing
733 Just (place, StgRhsClosure _ _ fvs _ args _) -> Just (place,fun,args,fvs)
734 _ -> trace (show fun ++ " --> " ++ show (arityLowerBound (idArityInfo fun))) Nothing
736 -- Push as many arguments as ILX allows us to in one go.
737 -- Recurse until we're done.
738 ilxFunAppArgs env num_sofar funty args tail_call known_clo
739 = vcat [vcat (ilxMapPlaceArgs num_sofar pushArgWithVoids env now_args),
740 call_instr <+> (if num_sofar == 0 then text "() /* first step in every Haskell app. is to a thunk */ " else empty)
750 _ -> hsep (map (pprIlxArgInfo env_after_now_tyvs) now_arg_tys)
753 | isVoidIlxRepType later_ty = text "void"
754 | otherwise = ilxTypeR env_after_now_tyvs later_ty
756 (now_args,now_arg_tys,env_after_now_tyvs,later_args,later_ty) =
758 (StgTypeArg v:rest) -> get_type_args ilxBestTypeArity args env funty
759 _ -> get_term_args 0 ilxBestTermArity args env funty
761 -- Only apply up to maxArity real (non-type) arguments
762 -- at a time. ILX should, in principle, allow us to apply
763 -- arbitrary numbers, but you will get more succinct
764 -- (and perhaps more efficient) IL code
765 -- if you apply in clumps according to its maxArity setting.
766 -- This is because it has to unwind the stack and store it away
767 -- in local variables to do the partial applications.
769 -- Similarly, ILX only allows one type application at a time, at
770 -- least until we implement unwinding the stack for this case.
772 -- NB: In the future we may have to be more careful
773 -- all the way through
774 -- this file to bind type variables as we move through
775 -- type abstractions and "forall" types. This would apply
776 -- especially if the type variables were ever bound by expressions
777 -- involving the type variables.
779 -- This part strips off at most "max" term applications or one type application
780 get_type_args 0 args env funty = ([],[],env,args,funty)
781 get_type_args max args env (NoteTy _ ty) =
782 trace "IlxGen Internal Error: non representation type passed to get_args" (get_type_args max args env ty)
783 get_type_args max ((arg@(StgTypeArg v)):rest) env (ForAllTy tv rem_funty)
784 = if isIlxTyVar tv then
785 let env2 = extendIlxEnvWithFormalTyVars env [tv] in
786 let rest_ty = deepIlxRepType (substTy (mkTyVarSubst [tv] [v]) rem_funty) in
787 let (now,now_tys,env3,later,later_ty) = get_type_args (max - 1) rest env rest_ty in
788 let arg_ty = mkTyVarTy tv in
789 (arg:now,(arg,arg_ty):now_tys,env2, later, later_ty)
791 get_type_args max rest env rem_funty -- ? subst??
792 get_type_args _ (StgTypeArg _:_) _ _ = trace "IlxGen Internal Error: get_type_args could not get ForAllTy for corresponding arg" ([],[],env,[],funty)
793 get_type_args _ args env funty = ([],[],env,args,funty)
795 get_term_args n max args env (NoteTy _ ty)
797 = trace "IlxGen Internal Error: non representation type passed to get_term_args" (get_term_args n max args env ty)
798 get_term_args n 0 args env funty
799 -- Stop if we've hit the maximum number of ILX arguments to apply n one hit.
800 = ([],[],env,args,funty)
801 get_term_args n max args env funty
803 Just (_,_,needed,_) -> (length needed == n)
805 -- Stop if we have the optimal number for a direct call
806 = ([],[],env,args,funty)
807 get_term_args _ _ (args@(StgTypeArg _:_)) env funty
808 -- Stop if we hit a type arg.
809 = ([],[],env,args,funty)
810 get_term_args n max (h:t) env (FunTy dom ran)
812 = let (now,now_tys,env2,later,later_ty) = get_term_args (n+1) (max - 1) t env ran in
813 (h:now, (h,dom):now_tys,env2,later,later_ty)
814 get_term_args _ max (h:t) env funty = trace "IlxGen Internal Error: get_term_args could not get FunTy or ForAllTy for corresponding arg" ([],[],env,[],funty)
815 get_term_args _ max args env funty = ([],[],env,args,funty)
817 -- Are there any remaining arguments?
818 done = case later_args of
822 -- If so, generate the subsequent calls.
823 later = if done then text "// done"
824 else ilxFunAppArgs env (num_sofar + length now_args) later_ty later_args tail_call Nothing
826 -- Work out whether to issue a direct call a known closure (callclo) or
827 -- an indirect call (callfunc). Basically, see if the identifier has
828 -- been let-bound, and then check we are applying exactly the right
829 -- number of arguments. Also check that it's not a thunk (actually, this
830 -- is done up above).
832 -- The nasty "all" check makes sure that
833 -- the set of type variables in scope at the callsite is a superset
834 -- of the set of type variables needed for the direct call. This is
835 -- is needed because not all of the type variables captured by a
836 -- let-bound binding will get propogated down to the callsite, and
837 -- the ILX system of polymorphism demands that the free type variables
838 -- get reapplied when we issue the direct "callclo". The
839 -- type variables are in reality also "bound up" in the closure that is
840 -- passed as the first argument, so when we do an indirect call
841 -- to that closure we're fine, which is why we don't need them in
842 -- the "callfunc" case.
845 Just (known_env,fun,needed,fvs) | (length needed == length now_args) &&
846 all (\x -> elemIlxTyEnv x env) free_ilx_tvs ->
847 vcat [text "callclo class",
848 nameReference env (idName fun) <+> singleQuotes (ilxEnvQualifyByModule env (ppr fun)),
849 pprTypeArgs ilxTypeR env (map mkTyVarTy free_ilx_tvs)]
852 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
853 otherwise -> text "callfunc"
855 if (tail_call && done) then text "tail." <+> basic_call_instr
856 else basic_call_instr
859 --------------------------
860 -- Print the arg info at the call site
861 -- For type args we are, at the moment, required to
862 -- give both the actual and the formal (bound). The formal
863 -- bound is always System.Object at the moment (bounds are
864 -- not properly implemented in ILXASM in any case, and nor do
865 -- we plan on making use og them) For
866 -- non-type args the actuals are on the stack, and we just give the
868 pprIlxArgInfo env (StgTypeArg arg,ty) =
869 angleBrackets (ilxTypeR env (deepIlxRepType arg) <+> ilxComment (text "actual for tyvar")) <+> text "<class [mscorlib] System.Object>"
870 pprIlxArgInfo env (_,ty) =
871 parens (ilxTypeL env ty)
874 ----------------------------
875 -- Code for a binding
876 ilxBind :: IlxEEnv -> StgBinding -> SDoc
877 ilxBind eenv@(IlxEEnv env _) bind =
878 vcat [vcat (map (ilxRhs env rec) pairs),
879 vcat (map (ilxFixupRec env rec) pairs)]
881 rec = ilxRecIds1 bind
882 pairs = ilxPairs1 bind
885 ----------------------------
886 -- Allocate a closure or constructor. Fix up recursive definitions.
887 ilxRhs :: IlxEnv -> [Id] -> (Id, StgRhs) -> SDoc
889 ilxRhs env rec (bndr, _) | isVoidIlxRepId bndr
892 ilxRhs env rec (bndr, StgRhsCon _ con args)
893 = vcat [text " /* ilxRhs:StgRhsCon */ " <+> ilxConApp env con args,
894 text "stloc" <+> pprId bndr
897 ilxRhs env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
898 = -- Assume .closure v<any A>(int64,!A) {
899 -- .apply <any B> (int32) (B) { ... }
902 -- let v = \B (x:int32) (y:B). ...
904 -- newclo v<int32>(int64,!0)
906 vcat [vcat (map pushFv free_vs),
907 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non-verifiable"))),
908 text "newclo" <+> clotext,
909 text "stloc" <+> pprId bndr
912 pushFv id = if elem id rec then text "ldnull" else pushId env id
913 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
914 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
916 ilxFixupRec env rec (bndr, _) | isVoidIlxRepId bndr = ilxComment (text "no recursive fixup for void-rep-id")
918 ilxFixupRec env rec (bndr, StgRhsCon _ con args)
919 = text "// no recursive fixup"
921 ilxFixupRec env rec (bndr, StgRhsClosure _ _ fvs upd args rhs)
922 = vcat [vcat (map fixFv rec)]
924 fixFv recid = if elem recid fvs then
925 vcat [pushId env bndr,
927 text "stclofld" <+> clotext <> text "," <+> pprId recid]
928 else text "//no fixup needed for" <+> pprId recid
929 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
930 clotext = pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs)
934 ---------------------------------------------
935 -- Code for a top-level binding in a module
936 ilxPairs binds = concat (map ilxPairs1 binds)
938 ilxPairs1 (StgNonRec _ bndr rhs) = [(bndr,rhs)]
939 ilxPairs1 (StgRec _ pairs) = pairs
941 ilxRecIds1 (StgNonRec _ bndr rhs) = []
942 ilxRecIds1 (StgRec _ pairs) = map fst pairs
944 ---------------------------------------------
945 -- Code for a top-level binding in a module
946 -- TODO: fix up recursions amongst CAF's
951 -- For the moment I've put in a completely spurious "reverse"...
953 -- Consider: make fixing up of CAF's part of ILX? i.e.
954 -- put static, constant, allocated datastructures into ILX.
956 stableSortBy :: (a -> a -> Ordering) -> [a] -> [a]
957 stableSortBy f (h:t) = insertBy f h (stableSortBy f t)
958 stableSortBy f [] = []
960 usedBy :: (Id,StgRhs) -> (Id,StgRhs) -> Ordering
961 usedBy (m,_) (_,StgRhsCon _ data_con args) | any (isArg m) args = LT
962 usedBy (m,_) (n,_) | m == n = EQ
963 usedBy (m,_) (_,_) = GT
965 isArg m (StgVarArg n) = (n == m)
969 ilxTopBind :: Module -> IlxEnv -> [(Id,StgRhs)] -> SDoc
970 --ilxTopBind mod env (StgNonRec _ bndr rhs) =
971 --ilxTopRhs env (bndr,rhs)
972 ilxTopBind mod env pairs =
973 vcat [text ".class" <+> pprId mod,
974 nest 2 (braces (nest 2 (vcat [empty,cctor, flds, empty])))]
976 cctor = vcat [text ".method static rtspecialname specialname void .cctor()",
978 (nest 2 (vcat [text ".maxstack 100",
979 text "ldstr \"LOG: initializing module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
980 vcat (map (ilxTopRhs mod env) (stableSortBy usedBy pairs)),
981 text "ldstr \"LOG: initialized module" <+> pprId mod <+> text "\" call void ['mscorlib']System.Console::WriteLine(class [mscorlib]System.String)",
984 flds = vcat (map (ilxTopRhsStorage mod env) pairs)
986 --ilxTopRhs mod env (bndr, _) | isVoidIlxRepId bndr
989 ilxTopRhs mod env (bndr, StgRhsClosure _ _ fvs upd args rhs)
990 = vcat [vcat (map (pushId env) free_vs),
991 (if null free_non_ilx_tvs then empty else (ilxComment (text "ignored some higher order type arguments in application - code will be non verifiable...."))),
992 text "newclo" <+> pprIlxBoxedTyConApp env (ilxEnvQualifyByModule env (ppr bndr)) (map mkTyVarTy free_ilx_tvs),
993 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
996 (free_ilx_tvs, free_non_ilx_tvs,free_vs) = categorizeVars fvs
997 bndTy = idIlxRepType bndr
999 ilxTopRhs mod env (bndr, StgRhsCon _ data_con args)
1000 = vcat [ text " /* ilxTopRhs: StgRhsCon */ " <+> ilxConApp env data_con args,
1001 text "stsfld" <+> pprFieldRef env (mod,bndTy,bndr)
1004 bndTy = idIlxRepType bndr
1006 pprFieldRef env (mod,ty,id)
1007 = ilxTypeL env ty <+> moduleReference env mod <+> pprId mod <> text "::" <> pprId id
1009 ilxTopRhsStorage mod env (bndr, StgRhsClosure _ _ _ _ _ _)
1010 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1012 bndTy = idIlxRepType bndr
1013 ilxTopRhsStorage mod env (bndr, StgRhsCon _ _ _)
1014 = text ".field public static " <+> ilxTypeL env bndTy <+> pprId bndr
1016 bndTy = idIlxRepType bndr
1018 --------------------------------------
1020 pushArgWithVoids = pushArg_aux True
1021 pushArg = pushArg_aux False
1023 pushArg_aux voids env (StgTypeArg ty) = empty
1024 pushArg_aux voids env (StgVarArg var) = pushId_aux voids env var
1025 pushArg_aux voids env (StgLitArg lit) = pushLit env lit
1028 mapi f l = mapi_aux f l 0
1030 mapi_aux f [] n = []
1031 mapi_aux f (h:t) n = f n h : mapi_aux f t (n+1)
1033 --------------------------------------
1035 pushId = pushId_aux False
1037 pushId_aux :: Bool -> IlxEnv -> Id -> SDoc
1038 pushId_aux voids _ id | isVoidIlxRepId id =
1039 /* if voids then text "ldunit" else */ ilxComment (text "pushId: void rep skipped")
1040 pushId_aux _ env var
1041 = case lookupIlxVarEnv env var of
1042 Just Arg -> text "ldarg" <+> pprId var
1043 Just (CloVar n) -> text "ldenv" <+> int n
1044 Just Local -> text "ldloc" <+> pprId var
1046 vcat [ilxComment (text "pushId (Top) " <+> pprId m),
1047 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1048 <+> moduleReference env m <+> pprId (moduleName m) <> text "::" <> pprId var]
1051 vcat [ilxComment (text "pushId (import) " <+> pprIlxTopVar env var),
1052 text "ldsfld" <+> ilxTypeL env (idIlxRepType var)
1053 <+> pprIlxTopVar env var]
1055 --------------------------------------
1057 pushLit env (MachChar c) = text "ldc.i4" <+> int c
1058 pushLit env (MachStr s) = text "ldsflda char " <+> ilxEnvQualifyByExact env (text "string") -- pprFSInILStyle s
1059 pushLit env (MachInt i) = text "ldc.i4" <+> integer i
1060 pushLit env (MachInt64 i) = text "ldc.i8" <+> integer i
1061 pushLit env (MachWord w) = text "ldc.i4" <+> integer w <+> text "conv.u4"
1062 pushLit env (MachWord64 w) = text "ldc.i8" <+> integer w <+> text "conv.u8"
1063 pushLit env (MachFloat f) = text "ldc.r4" <+> rational f
1064 pushLit env (MachDouble f) = text "ldc.r8" <+> rational f
1065 pushLit env (MachLitLit _ _) = trace "WARNING: Cannot compile MachLitLit to ILX in IlxGen.lhs" (text "// MachLitLit!!! Not valid in ILX!!")
1066 pushLit env (MachAddr w) = text "ldc.i4" <+> integer w <+> text "conv.i"
1070 | isGlobalName n = (nameReference env n) <> pprId (nameModule n) <> text "::" <> singleQuotes (ppr (nameModule n) <> text "_" <> ppr (nameOccName n))
1071 | otherwise = pprId (nameOccName n)
1078 %************************************************************************
1080 \subsection{Printing types}
1082 %************************************************************************
1087 isVoidIlxRepType (NoteTy _ ty) = isVoidIlxRepType ty
1088 isVoidIlxRepType (TyConApp tc _) | (tyConPrimRep tc == VoidRep) = True
1089 isVoidIlxRepType (TyConApp tc tys)
1090 = case newTyConRep tc of
1091 Just rep_ty -> isVoidIlxRepType (applyTys rep_ty tys)
1093 isUnboxedTupleTyCon tc &&
1094 null (filter (not. isVoidIlxRepType) tys)
1095 isVoidIlxRepType _ = False
1097 isVoidIlxRepId id = isVoidIlxRepType (idType id)
1101 -- Get rid of all NoteTy and NewTy artifacts
1102 deepIlxRepType :: Type -> Type
1103 deepIlxRepType (FunTy l r)
1104 = FunTy (deepIlxRepType l) (deepIlxRepType r)
1106 deepIlxRepType ty@(TyConApp tc tys)
1107 = case newTyConRep tc of
1109 let res = deepIlxRepType (applyTys rep_ty tys) in
1110 if not (length tys == tyConArity tc ) then
1111 pprTrace "deepIlxRepType" (text "length tys <> tyConArity tc, ty = " <+> pprType ty <+> text ", length tys = " <+> ppr (length tys) <+> text ", tyConArity = " <+> ppr (tyConArity tc)) res
1113 -- The assert should hold because deepIlxRepType should
1114 -- only be applied to *types* (of kind *)
1116 -- collapse UnboxedTupleTyCon down when it contains VoidRep types.
1117 if isUnboxedTupleTyCon tc then
1118 let tys' = map deepIlxRepType (filter (not. isVoidIlxRepType) tys) in
1121 _ -> mkTupleTy Unboxed (length tys') tys'
1123 TyConApp tc (map deepIlxRepType tys)
1124 deepIlxRepType (AppTy f x) = AppTy (deepIlxRepType f) (deepIlxRepType x)
1125 deepIlxRepType (ForAllTy b ty) = ForAllTy b (deepIlxRepType ty)
1126 deepIlxRepType (NoteTy _ ty) = deepIlxRepType ty
1127 deepIlxRepType (PredTy p) = deepIlxRepType (predRepTy p)
1128 deepIlxRepType ty@(TyVarTy tv) = ty
1130 idIlxRepType id = deepIlxRepType (idType id)
1132 --------------------------
1133 -- Some primitive type constructors are not thunkable.
1134 -- Everything else needs to be marked thunkable.
1135 ilxTypeL :: IlxEnv -> Type -> SDoc
1137 ilxTypeL env ty | isUnLiftedType ty || isVoidIlxRepType ty = ilxTypeR env ty
1138 ilxTypeL env ty = text "thunk" <> angleBrackets (ilxTypeR env ty)
1141 --------------------------
1142 -- Print non-thunkable version of type.
1145 ilxTypeR :: IlxEnv -> Type -> SDoc
1146 ilxTypeR env ty | isVoidIlxRepType ty = text "/* unit skipped */"
1147 ilxTypeR env ty@(AppTy f _) | isTyVarTy f = ilxComment (text "type app:" <+> pprType ty) <+> (text "class [mscorlib]System.Object")
1148 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))
1149 ilxTypeR env (TyVarTy tv) = ilxTyVar env tv
1151 -- The following is a special rule for types constructed out of
1152 -- higher kinds, e.g. Monad f or Functor f.
1154 -- The code below is not as general as it should be, but as I
1155 -- have no idea if this approach will even work, I'm going to
1156 -- just try it out on some simple cases arising from the prelude.
1157 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && null (tyConTyVars tc)
1158 = ilxComment (text "what on earth? 2") <+> (ilxTypeR env (TyConApp tc t))
1159 ilxTypeR env ty@(TyConApp tc (h:t)) | isAlgTyCon tc && not (isIlxTyVar (hd (tyConTyVars tc)))
1160 = ilxTypeR env (TyConApp tc t)
1161 ilxTypeR env (TyConApp tc args) = ilxTyConApp env tc args
1163 -- nb. the only legitimate place for VoidIlxRepTypes to occur in normalized IlxRepTypes
1164 -- is on the left of an arrow
1165 -- We could probably eliminate all but a final occurrence of these.
1166 ilxTypeR env (FunTy arg res)| isVoidIlxRepType res
1167 = pprIlxFunTy (ilxTypeL env arg) (text "void")
1168 ilxTypeR env (FunTy arg res)
1169 = pprIlxFunTy (ilxTypeL env arg) (ilxTypeR env res)
1171 ilxTypeR env ty@(ForAllTy tv body_ty) | isIlxTyVar tv
1172 = parens (text "forall" <+> pprTyVarBinders env' [tv] <+> nest 2 (ilxTypeR env' body_ty))
1174 env' = extendIlxEnvWithFormalTyVars env [tv]
1176 ilxTypeR env ty@(ForAllTy tv body_ty) | otherwise
1177 = ilxComment (text "higher order type var " <+> pprId tv) <+>
1178 pprIlxFunTy (text "class [mscorlib]System.Object") (ilxTypeR env body_ty)
1180 ilxTypeR env (NoteTy _ ty)
1181 = trace "WARNING! non-representation type given to ilxTypeR: see generated ILX for context where this occurs"
1182 (vcat [text "/* WARNING! non-representation type given to ilxTypeR! */",
1185 pprIlxFunTy dom ran = parens (hsep [text "func",parens dom,text "-->", ran])
1187 ilxTyConApp env tc args =
1188 case lookupUFM tyPrimConTable (getUnique tc) of
1189 Just f -> f args env
1191 (if isUnboxedTupleTyCon tc then pprIlxUnBoxedTyConApp else pprIlxBoxedTyConApp)
1192 env ((nameReference env (getName tc)) <> (ppr tc)) args
1194 pprIlxUnBoxedTyConApp env tcdoc args = text "value class" <+> tcdoc <> pprTypeArgs ilxTypeL env args
1195 pprIlxBoxedTyConApp env tcdoc args = text "class" <+> tcdoc <> pprTypeArgs ilxTypeR env args
1197 -- Returns e.g: <Int32, Bool>
1198 pprTypeArgs f env tys = pprTypeArgs_aux f env (filter (not . isVoidIlxRepType) tys)
1200 pprTypeArgs_aux f env [] = empty
1201 pprTypeArgs_aux f env tys = angleBrackets (pprSepWithCommas (f env) tys)
1204 pprTyVarBinders :: IlxEnv -> [TyVar] -> SDoc
1205 -- Returns e.g: <class [mscorlib]System.Object> <class [mscorlib]System.Object>
1206 -- plus a new environment with the type variables added.
1207 pprTyVarBinders env [] = empty
1208 pprTyVarBinders env tvs = angleBrackets (pprSepWithCommas (pprTyVarBinder_aux env) tvs)
1210 pprTyVarBinder :: IlxEnv -> TyVar -> SDoc
1211 pprTyVarBinder env tv =
1212 if isIlxTyVar tv then
1213 angleBrackets (pprTyVarBinder_aux env tv)
1215 ilxComment (text "higher order tyvar" <+> pprId tv <+>
1216 text ":" <+> ilxTypeR env (tyVarKind tv)) <+>
1217 ilxComment (text "omitted")
1218 -- parens (text "class [mscorlib]System.Object" <+> pprId tv)
1221 pprTyVarBinder_aux env tv =
1222 ilxComment (text "tyvar" <+> pprId tv <+> text ":" <+>
1223 ilxTypeR env (tyVarKind tv)) <+>
1224 (text "class [mscorlib]System.Object")
1226 -- Only a subset of Haskell types can be generalized using the type quantification
1229 ( h == liftedTypeKind) ||
1230 ( h == unliftedTypeKind) ||
1231 ( h == openTypeKind)
1233 isIlxTyVar v = isTyVar v && isIlxForAllKind (tyVarKind v)
1235 categorizeVars fvs = (ilx_tvs, non_ilx_tvs, vs)
1237 (tvs, vs) = partition isTyVar fvs
1238 (ilx_tvs, non_ilx_tvs) = categorizeTyVars tvs
1240 categorizeTyVars tyvs = partition isIlxTyVar tyvs
1242 pprValArgTys ppr_ty env tys = parens (pprSepWithCommas (ppr_ty env) tys)
1244 pprId id = singleQuotes (ppr id)
1248 %************************************************************************
1252 %************************************************************************
1255 type IlxTyEnv = [TyVar]
1258 -- Nb. There is currently no distinction between the kinds of type variables.
1259 -- We may need to add this to print out correct numbers, esp. for
1261 extendIlxTyEnvWithFreeTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by .closure x<...> in a closure declared with type parameters
1262 extendIlxTyEnvWithFormalTyVars env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "forall <...>" in a type
1263 extendIlxTyEnvWithTyArgs env tyvars = env ++ mkIlxTyEnv tyvars -- bound by "<...>" in a closure implementing a universal type
1265 formalIlxTyEnv tyvars = mkIlxTyEnv tyvars
1266 mkIlxTyEnv tyvars = [ v | v <- tyvars, isIlxTyVar v ]
1268 data HowBound = Top Module -- Bound in a modules
1269 | Arg -- Arguments to the enclosing closure
1270 | CloVar Int -- A free variable of the enclosing closure
1271 -- The int is the index of the field in the
1273 | Local -- Local let binding
1275 -- The SDoc prints a unique name for the syntactic block we're currently processing,
1276 -- e.g. Foo_bar_baz when inside closure baz inside closure bar inside module Foo.
1277 data IlxEnv = IlxEnv (Module, IlxTyEnv, IdEnv HowBound,IdEnv (IlxEnv, StgRhs), Place,Bool)
1278 type Place = (SDoc,SDoc)
1281 = go 0 (ilxEnvTyEnv env)
1284 = pprTrace "ilxTyVar" (pprId tv <+> text "tv_env = { "
1285 <+> pprSepWithCommas
1286 (\x -> pprId x <+> text ":" <+> ilxTypeR env (tyVarKind x))
1287 (ilxEnvTyEnv env) <+> text "}")
1288 (char '!' <> pprId tv)
1290 = {- pprTrace "go" (ppr (tyVarName tv) <+> ppr (tyVarName x)) -}
1291 (if tyVarName x== tyVarName tv then char '!' <> int n <+> ilxComment (char '!' <> pprId tv)
1294 emptyIlxEnv :: Bool -> Module -> IlxEnv
1295 emptyIlxEnv trace mod = IlxEnv (mod, emptyIlxTyEnv, emptyVarEnv, emptyVarEnv, (ppr mod,empty),trace)
1297 nextPlace place sdoc = place <> sdoc
1298 usePlace place sdoc = place <> sdoc
1300 ilxEnvModule (IlxEnv (m, _, _, _, _,_)) = m
1301 ilxEnvSetPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1302 = IlxEnv (m, tv_env, id_env, bind_env, (mod, sdoc),tr)
1303 ilxEnvNextPlace (IlxEnv (m, tv_env, id_env, bind_env, (mod,exact),tr)) sdoc
1304 = IlxEnv (m, tv_env, id_env, bind_env, (mod, nextPlace exact sdoc),tr)
1305 ilxEnvQualifyByModule (IlxEnv (_, _, _, _,(mod,_),_)) sdoc = usePlace mod sdoc
1306 ilxEnvQualifyByExact (IlxEnv (_, _, _, _,(mod,exact),_)) sdoc = usePlace mod sdoc <> usePlace exact sdoc
1308 ilxPlaceStgBindDefault env = ilxEnvNextPlace env (text "D")
1309 ilxPlaceStgRhsClosure env bndr = ilxEnvSetPlace env (ppr bndr) -- binders are already unique
1310 ilxPlaceStgCaseScrut env = ilxEnvNextPlace env (text "S")
1312 ilxPlaceAlt :: IlxEnv -> Int -> IlxEnv
1313 ilxPlaceAlt env i = ilxEnvNextPlace env (text "a" <> int i)
1314 ilxPlacePrimAltLit env i = ilxEnvNextPlace env (text "P" <> int i)
1315 ilxMapPlaceArgs start f env args = [ f (ilxEnvNextPlace env (text "A" <> int i)) a | (i,a) <- [start..] `zip` args ]
1316 ilxMapPlaceAlts f env alts = [ f (ilxPlaceAlt env i) alt | (i,alt) <- [1..] `zip` alts ]
1318 extendIlxEnvWithFreeTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1319 = IlxEnv (mod, extendIlxTyEnvWithFreeTyVars tv_env tyvars,id_env, bind_env, place,tr)
1321 extendIlxEnvWithFormalTyVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1322 = IlxEnv (mod, extendIlxTyEnvWithFormalTyVars tv_env tyvars,id_env, bind_env, place,tr)
1324 extendIlxEnvWithTyArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) tyvars
1325 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env tyvars,id_env, bind_env, place,tr)
1327 extendIlxEnvWithArgs :: IlxEnv -> [Var] -> IlxEnv
1328 extendIlxEnvWithArgs (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1329 = IlxEnv (mod, extendIlxTyEnvWithTyArgs tv_env [tv | tv <- args, isIlxTyVar tv],
1330 extendVarEnvList id_env [(v,Arg) | v <- args, not (isIlxTyVar v)],
1333 extendIlxEnvWithFreeVars (IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) args
1335 extendIlxTyEnvWithFreeTyVars tv_env [tv | tv <- args, isIlxTyVar tv],
1336 extendVarEnvList id_env (clovs 0 args),
1341 clovs n (x:xs) = if not (isIlxTyVar x) then (x,CloVar n):clovs (n+1) xs else clovs n xs
1343 extendIlxEnvWithBinds env@(IlxEnv (mod, tv_env, id_env, bind_env, place,tr)) bnds
1344 = IlxEnv (mod, tv_env, id_env,
1345 extendVarEnvList bind_env [(v,(env,rhs)) | (v,rhs) <- bnds],
1348 extendIlxEnvWithLocals (IlxEnv (m, tv_env, id_env, bind_env, p,tr)) locals
1349 = IlxEnv (m, tv_env,
1350 extendVarEnvList id_env [(v,Local) | (LocalId v,_) <- locals],
1351 extendVarEnvList bind_env [(v,(env,rhs)) | (LocalId v,Just (env,rhs)) <- locals],
1353 extendIlxEnvWithTops env@(IlxEnv (m, tv_env, id_env, bind_env, place,tr)) mod binds
1354 = IlxEnv (m, tv_env,
1355 extendVarEnvList id_env [(bndr,Top mod) | (bndr,rhs) <- binds],
1356 extendVarEnvList bind_env [(bndr,(env, rhs)) | (bndr,rhs) <- binds],
1359 formalIlxEnv (IlxEnv (m, tv_env, id_env, bind_env, place, tr)) tyvars
1360 = IlxEnv (m, formalIlxTyEnv tyvars, id_env, bind_env, place, tr)
1362 ilxEnvTyEnv :: IlxEnv -> IlxTyEnv
1363 ilxEnvTyEnv (IlxEnv (_, tv_env, _,_,_,_)) = tv_env
1364 elemIlxTyEnv var env = elem var (ilxEnvTyEnv env )
1365 elemIlxVarEnv var (IlxEnv (_, _, id_env,_,_,_)) = elemVarEnv var id_env
1366 lookupIlxVarEnv (IlxEnv (_, _, id_env,_,_,_)) var = lookupVarEnv id_env var
1367 lookupIlxBindEnv (IlxEnv (_, _, _, bind_env,_,_)) var = lookupVarEnv bind_env var
1373 type IlxLabel = SDoc
1375 pprIlxLabel lbl = lbl
1377 mkJoinLabel :: Id -> IlxLabel
1378 mkJoinLabel v = text "J_" <> ppr v
1380 mkAltLabel :: Id -> Int -> IlxLabel
1381 mkAltLabel v n = text "A" <> int n <> ppr v
1383 ilxLabel :: IlxLabel -> SDoc
1384 ilxLabel lbl = line $$ (pprIlxLabel lbl <> colon)
1388 %************************************************************************
1390 \subsection{Local pretty helper functions}
1392 %************************************************************************
1395 pprSepWithCommas :: (a -> SDoc) -> [a] -> SDoc
1396 pprSepWithCommas pp xs = sep (punctuate comma (map pp xs))
1397 ilxComment pp = text "/*" <+> pp <+> text "*/"
1398 singleQuotes pp = char '\'' <> pp <> char '\''
1400 line = text "// ----------------------------------"
1402 hscOptionQual = if opt_SimplDoEtaReduction then text ".ilx-O" else text ".ilx-Onot"
1405 | isLocalName n = empty
1406 | ilxEnvModule env == nameModule n = text ""
1407 | isHomeModule (nameModule n) = moduleNameReference (moduleName (nameModule n))
1408 -- HACK: no Vanilla modules should be around, but they are!! This
1409 -- gets things working for the scenario "standard library linked as one
1410 -- assembly with multiple modules + a one module program running on top of this"
1411 -- Same applies to all other mentions of Vailla modules in this file
1412 | isVanillaModule (nameModule n) && not inPrelude = preludePackageReference
1413 | isVanillaModule (nameModule n) && inPrelude = moduleNameReference (moduleName (nameModule n))
1415 | otherwise = packageReference (modulePackage (nameModule n))
1417 packageReference p = brackets ((text "ilx") <+> singleQuotes (ppr p <> hscOptionQual))
1418 moduleNameReference m = brackets ((text ".module") <+> (text "ilx") <+> singleQuotes (pprModuleName m <> hscOptionQual <> text ".dll"))
1420 moduleReference env m
1421 | ilxEnvModule env == m = text ""
1422 | isHomeModule m = moduleNameReference (moduleName m)
1424 | isVanillaModule m && not inPrelude = preludePackageReference
1425 | isVanillaModule m && inPrelude = moduleNameReference (moduleName m)
1427 | otherwise = packageReference (modulePackage m)
1429 preludePackageReference = packageReference preludePackage
1430 inPrelude = preludePackage == opt_InPackage
1432 ------------------------------------------------
1433 -- This code is copied from absCSyn/CString.lhs,
1434 -- and modified to do the correct thing! It's
1435 -- still a mess though. Also, still have to do the
1436 -- right thing for embedded nulls.
1438 pprFSInILStyle :: FAST_STRING -> SDoc
1439 pprFSInILStyle fs = doubleQuotes (text (stringToC (_UNPK_ fs)))
1441 stringToC :: String -> String
1442 -- Convert a string to the form required by C in a C literal string
1443 -- Tthe hassle is what to do w/ strings like "ESC 0"...
1445 stringToC [c] = charToC c
1447 -- if we have something "octifiable" in "c", we'd better "octify"
1448 -- the rest of the string, too.
1449 = if (c < ' ' || c > '~')
1450 then (charToC c) ++ (concat (map char_to_C cs))
1451 else (charToC c) ++ (stringToC cs)
1453 char_to_C c | c == '\n' = "\\n" -- use C escapes when we can
1455 | c == '\b' = "\\b" -- ToDo: chk some of these...
1460 | otherwise = '\\' : (trigraph (ord c))
1462 charToC :: Char -> String
1463 -- Convert a character to the form reqd in a C character literal
1464 charToC c = if (c >= ' ' && c <= '~') -- non-portable...
1477 else '\\' : (trigraph (ord c))
1479 trigraph :: Int -> String
1481 = [chr ((n `div` 100) `rem` 10 + ord '0'),
1482 chr ((n `div` 10) `rem` 10 + ord '0'),
1483 chr (n `rem` 10 + ord '0')]
1488 %************************************************************************
1490 \subsection{PrimOps and Constructors}
1492 %************************************************************************
1495 ----------------------------
1496 -- Allocate a fresh constructor
1498 ilxConApp env data_con args
1499 | isUnboxedTupleCon data_con
1500 = let tm_args' = filter (not. isVoidIlxRepType . stgArgType) tm_args in
1503 -- Collapse the construction of an unboxed tuple type where
1504 -- every element is zero-sized
1505 vcat (ilxMapPlaceArgs 0 pushArg env tm_args')
1507 -- Minimize the construction of an unboxed tuple type, which
1508 -- may contain zero-sized elements. Recompute all the
1509 -- bits and pieces from the simpler case below for the new data
1510 -- type constructor....
1511 let data_con' = tupleCon Unboxed (length tm_args') in
1512 let rep_ty_args' = filter (not . isVoidIlxRepType) rep_ty_args in
1514 let tycon' = dataConTyCon data_con' in
1515 let (formal_tyvars', formal_tau_ty') = splitForAllTys (dataConRepType data_con') in
1516 let (formal_arg_tys', _) = splitFunTys formal_tau_ty' in
1517 let formal_env' = formalIlxEnv env formal_tyvars' in
1519 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args'),
1520 sep [text "newobj void ",
1521 ilxTyConApp env tycon' rep_ty_args',
1523 pprValArgTys ilxTypeR formal_env' (map deepIlxRepType formal_arg_tys')
1527 -- Now all other constructions
1528 = -- Assume C :: forall a. a -> T a -> T a
1529 -- ldloc x arg of type Int
1530 -- ldloc y arg of type T Int
1531 -- newdata classunion T<Int32>, C(!0, T <!0>)
1533 let tycon = dataConTyCon data_con in
1534 let (formal_tyvars, formal_tau_ty) = splitForAllTys (dataConRepType data_con) in
1535 let (formal_arg_tys, _) = splitFunTys formal_tau_ty in
1537 vcat [vcat (ilxMapPlaceArgs 0 pushArg env tm_args),
1538 sep [ text "newdata",
1539 nest 2 (ilxTyConApp env tycon rep_ty_args <> comma),
1540 nest 2 (ilxConRef env data_con)
1544 tycon = dataConTyCon data_con
1545 rep_ty_args = map deepIlxRepType ty_args
1546 (ty_args,tm_args) = if isAlgTyCon tycon then splitTyArgs (tyConTyVars tycon) args else splitTyArgs1 args
1548 -- split some type arguments off, throwing away the higher kinded ones for the moment
1549 -- base the higher-kinded checks off a corresponding list of formals
1550 splitTyArgs (htv:ttv) (StgTypeArg h:t)
1551 | isIlxTyVar htv = ((h:l), r)
1552 | otherwise = trace "splitTyArgs: threw away higher kinded type arg" (l, r)
1553 where (l,r) = splitTyArgs ttv t
1554 splitTyArgs _ l = ([],l)
1556 -- split some type arguments off, where none should be higher kinded
1557 splitTyArgs1 (StgTypeArg h:t)
1559 where (l,r) = splitTyArgs1 t
1560 splitTyArgs1 l = ([],l)
1563 ilxConRef env data_con
1564 = pprId data_con <> pprValArgTys ilxTypeL env' (map deepIlxRepType (filter (not . isVoidIlxRepType) arg_tys))
1566 (tyvars, tau_ty) = splitForAllTys (dataConRepType data_con)
1567 (arg_tys, _) = splitFunTys tau_ty
1568 env' = formalIlxEnv env tyvars
1576 %************************************************************************
1578 \subsection{PrimOps and Prim Representations} *
1579 %************************************************************************
1583 ilxPrimApp env (CCallOp ccall) args ret_ty = ilxCCall env ccall args ret_ty
1584 ilxPrimApp env op args ret_ty = ilxPrimOpTable op args env
1587 type IlxTyFrag = IlxEnv -> SDoc
1588 ilxType s env = text s
1590 ilxLift ty env = text "thunk" <> angleBrackets (ty env)
1592 ilxTypeSeq :: [IlxTyFrag] -> IlxTyFrag
1593 ilxTypeSeq ops env = hsep (map (\x -> x env) ops)
1595 tyPrimConTable :: UniqFM ([Type] -> IlxTyFrag)
1597 listToUFM [(addrPrimTyConKey, (\_ -> repAddr)),
1598 -- (fileStreamPrimTyConKey, (\_ -> repFileStream)),
1599 (foreignObjPrimTyConKey, (\_ -> repForeign)),
1600 (stablePtrPrimTyConKey, (\[ty] -> repStablePtr {- (ilxTypeL2 ty) -})),
1601 (stableNamePrimTyConKey, (\[ty] -> repStableName {- (ilxTypeL2 ty) -} )),
1602 (charPrimTyConKey, (\_ -> repChar)),
1603 (wordPrimTyConKey, (\_ -> repWord)),
1604 (byteArrayPrimTyConKey, (\_ -> repByteArray)),
1605 (intPrimTyConKey, (\_ -> repInt)),
1606 (int64PrimTyConKey, (\_ -> repInt64)),
1607 (word64PrimTyConKey, (\_ -> repWord64)),
1608 (floatPrimTyConKey, (\_ -> repFloat)),
1609 (doublePrimTyConKey, (\_ -> repDouble)),
1610 -- These can all also accept unlifted parameter types so we explicitly lift.
1611 (arrayPrimTyConKey, (\[ty] -> repArray (ilxTypeL2 ty))),
1612 (mutableArrayPrimTyConKey, (\[_, ty] -> repMutArray (ilxTypeL2 ty))),
1613 (weakPrimTyConKey, (\[_, ty] -> repWeak (ilxTypeL2 ty))),
1614 (mVarPrimTyConKey, (\[_, ty] -> repMVar (ilxTypeL2 ty))),
1615 (mutVarPrimTyConKey, (\[ty1, ty2] -> repMutVar (ilxTypeL2 ty1) (ilxTypeL2 ty2))),
1616 (mutableByteArrayPrimTyConKey, (\_ -> repByteArray)),
1617 (threadIdPrimTyConKey, (\_ -> repThread)),
1618 (bcoPrimTyConKey, (\_ -> repBCO))
1621 ilxTypeL2 :: Type -> IlxTyFrag
1622 ilxTypeL2 ty env = ilxTypeL env ty
1623 ilxTypeR2 :: Type -> IlxTyFrag
1624 ilxTypeR2 ty env = ilxTypeR env ty
1626 ilxMethA = ilxType "!!0"
1627 ilxMethB = ilxType "!!1"
1628 prelGHCReference :: IlxTyFrag
1629 prelGHCReference env =
1630 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelGHC") then empty
1631 else if inPrelude then moduleNameReference (mkModuleName "PrelGHC")
1632 else preludePackageReference
1634 prelBaseReference :: IlxTyFrag
1635 prelBaseReference env =
1636 if ilxEnvModule env == mkHomeModule (mkModuleName "PrelBase") then empty
1637 else if inPrelude then moduleNameReference (mkModuleName "PrelBase")
1638 else preludePackageReference
1640 repThread = ilxType "class [mscorlib]System.Threading.Thread /* ThreadId# */ "
1641 repByteArray = ilxType "unsigned int8[] /* ByteArr# */ "
1642 --repFileStream = text "void * /* FileStream# */ " -- text "class [mscorlib]System.IO.FileStream"
1643 repInt = ilxType "int32"
1644 repWord = ilxType "unsigned int32"
1645 repAddr =ilxType "/* Addr */ void *"
1646 repInt64 = ilxType "int64"
1647 repWord64 = ilxType "unsigned int64"
1648 repFloat = ilxType "float32"
1649 repDouble = ilxType "float64"
1650 repChar = ilxType "/* Char */ unsigned int8"
1651 repForeign = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Foreignzh"]
1652 repInteger = ilxUnboxedPairRep repInt repByteArray
1653 repIntegerPair = ilxUnboxedQuadRep repInt repByteArray repInt repByteArray
1654 repArray ty = ilxTypeSeq [ty,ilxType "[]"]
1655 repMutArray ty = ilxTypeSeq [ty,ilxType "[]"]
1656 repMVar ty = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MVarzh",ilxTyParams [ty]]
1657 repMutVar _ ty2 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_MutVarzh",ilxTyParams [ty2]]
1658 repWeak ty1 = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh",ilxTyParams [ty1]]
1659 repStablePtr {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StablePtrzh" {- ,ilxTyParams [ty1] -} ]
1660 repStableName {- ty1 -} = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_StableNamezh" {- ,ilxTyParams [ty1] -} ]
1661 classWeak = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_Weakzh"]
1662 repBCO = ilxTypeSeq [ilxType "class ",prelGHCReference,ilxType "PrelGHC_BCOzh"]
1664 ilxTyPair l r = ilxTyParams [l,r]
1665 ilxTyTriple l m r = ilxTyParams [l,m,r]
1666 ilxTyQuad l m1 m2 r = ilxTyParams [l,m1,m2,r]
1667 ilxUnboxedPairRep l r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z1H",ilxTyPair l r]
1668 ilxUnboxedTripleRep l m r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z2H",ilxTyTriple l m r]
1669 ilxUnboxedQuadRep l m1 m2 r = ilxTypeSeq [ilxType "value class",prelGHCReference,ilxType "PrelGHC_Z3H",ilxTyQuad l m1 m2 r]
1671 ilxTyParams :: [IlxTyFrag] -> IlxTyFrag
1672 ilxTyParams [] env = empty
1673 ilxTyParams l env = angleBrackets (ilxTyParamsAux l env)
1675 ilxTyParamsAux [] env = empty
1676 ilxTyParamsAux [h] env = h env
1677 ilxTyParamsAux (h:t) env = h env <> text "," <+> ilxTyParamsAux t env
1678 ilxTyParams [] env = empty
1681 type IlxOpFrag = IlxEnv -> SDoc
1682 ilxOp :: String -> IlxOpFrag
1683 ilxOp s env = text s
1684 ilxOpSeq :: [IlxOpFrag] -> IlxOpFrag
1685 ilxOpSeq ops env = hsep (map (\x -> x env) ops)
1687 ilxParams :: [IlxOpFrag] -> IlxOpFrag
1688 ilxParams l env = parens (ilxParamsAux l env)
1690 ilxParamsAux [] env = empty
1691 ilxParamsAux [h] env = h env
1692 ilxParamsAux (h:t) env = h env <> text "," <+> ilxParamsAux t env
1695 ilxMethodRef rty cls nm tyargs args =
1696 ilxOpSeq [rty,cls,ilxOp "::",ilxOp nm,
1697 ilxTyParams tyargs,ilxParams args]
1699 ilxCall m = ilxOpSeq [ilxOp "call", m]
1701 ilxSupportClass = ilxOpSeq [prelGHCReference, ilxOp "'GHC.support'"]
1702 ilxSuppMeth rty nm tyargs args = ilxMethodRef rty ilxSupportClass nm tyargs args
1704 ilxCallSuppMeth rty nm tyargs args = ilxCall (ilxSuppMeth rty nm tyargs args)
1706 ilxMkBool :: IlxOpFrag
1707 ilxMkBool = ilxOpSeq [ilxOp "call class",prelBaseReference,
1708 ilxOp "PrelBase_Bool",
1709 prelGHCReference,ilxOp "GHC.support::mkBool(bool)"]
1710 ilxCgt = ilxOpSeq [ilxOp "cgt",ilxMkBool]
1711 ilxCge = ilxOpSeq [ilxOp "clt ldc.i4 0 ceq ",ilxMkBool]
1712 ilxClt = ilxOpSeq [ilxOp "clt ",ilxMkBool]
1713 ilxCle = ilxOpSeq [ilxOp "cgt ldc.i4 0 ceq ",ilxMkBool]
1714 ilxCeq = ilxOpSeq [ilxOp "ceq ",ilxMkBool]
1715 ilxCne = ilxOpSeq [ilxOp "ceq ldc.i4 0 ceq " ,ilxMkBool]
1716 ilxCgtUn = ilxOpSeq [ilxOp "cgt.un ",ilxMkBool]
1717 ilxCgeUn = ilxOpSeq [ilxOp "clt.un ldc.i4 0 ceq ",ilxMkBool]
1718 ilxCltUn = ilxOpSeq [ilxOp "clt.un ",ilxMkBool]
1719 ilxCleUn = ilxOpSeq [ilxOp "cgt.un ldc.i4 0 ceq ",ilxMkBool]
1721 ilxAddrOfForeignOp = ilxOpSeq [ilxOp "ldfld void *" , repForeign, ilxOp "::contents"]
1722 ilxAddrOfByteArrOp = ilxOp "ldc.i4 0 ldelema unsigned int8"
1724 ilxPrimOpTable :: PrimOp -> [StgArg] -> IlxOpFrag
1727 CharGtOp -> simp_op ilxCgt
1728 CharGeOp -> simp_op ilxCge
1729 CharEqOp -> simp_op ilxCeq
1730 CharNeOp -> simp_op ilxCne
1731 CharLtOp -> simp_op ilxClt
1732 CharLeOp -> simp_op ilxCle
1734 OrdOp -> simp_op (ilxOp "conv.i4") -- chars represented by UInt32 (u4)
1735 ChrOp -> simp_op (ilxOp "conv.u4")
1737 IntGtOp -> simp_op ilxCgt
1738 IntGeOp -> simp_op ilxCge
1739 IntEqOp -> simp_op ilxCeq
1740 IntNeOp -> simp_op ilxCne
1741 IntLtOp -> simp_op ilxClt
1742 IntLeOp -> simp_op ilxCle
1744 IntToInt8Op -> simp_op (ilxOp"conv.i1")
1745 IntToInt16Op -> simp_op (ilxOp "conv.i2")
1746 IntToInt32Op -> simp_op (ilxOp "conv.i4")
1747 WordToWord8Op -> simp_op (ilxOp "conv.u1")
1748 WordToWord16Op -> simp_op (ilxOp "conv.u2")
1749 WordToWord32Op -> simp_op (ilxOp "conv.u4")
1751 WordGtOp -> simp_op ilxCgtUn
1752 WordGeOp -> simp_op ilxCgeUn
1753 WordEqOp -> simp_op ilxCeq
1754 WordNeOp -> simp_op ilxCne
1755 WordLtOp -> simp_op ilxCltUn
1756 WordLeOp -> simp_op ilxCleUn
1758 AddrGtOp -> simp_op ilxCgt
1759 AddrGeOp -> simp_op ilxCge
1760 AddrEqOp -> simp_op ilxCeq
1761 AddrNeOp -> simp_op ilxCne
1762 AddrLtOp -> simp_op ilxClt
1763 AddrLeOp -> simp_op ilxCle
1765 FloatGtOp -> simp_op ilxCgt
1766 FloatGeOp -> simp_op ilxCge
1767 FloatEqOp -> simp_op ilxCeq
1768 FloatNeOp -> simp_op ilxCne
1769 FloatLtOp -> simp_op ilxClt
1770 FloatLeOp -> simp_op ilxCle
1772 DoubleGtOp -> simp_op ilxCgt
1773 DoubleGeOp -> simp_op ilxCge
1774 DoubleEqOp -> simp_op ilxCeq
1775 DoubleNeOp -> simp_op ilxCne
1776 DoubleLtOp -> simp_op ilxClt
1777 DoubleLeOp -> simp_op ilxCle
1779 -- Int#-related ops:
1780 IntAddOp -> simp_op (ilxOp "add")
1781 IntSubOp -> simp_op (ilxOp "sub")
1782 IntMulOp -> simp_op (ilxOp "mul")
1783 IntQuotOp -> simp_op (ilxOp "div")
1784 IntNegOp -> simp_op (ilxOp "neg")
1785 IntRemOp -> simp_op (ilxOp "rem")
1787 -- Word#-related ops:
1788 WordAddOp -> simp_op (ilxOp "add")
1789 WordSubOp -> simp_op (ilxOp "sub")
1790 WordMulOp -> simp_op (ilxOp "mul")
1791 WordQuotOp -> simp_op (ilxOp "div")
1792 WordRemOp -> simp_op (ilxOp "rem")
1794 Addr2IntOp -> simp_op (ilxOp "conv.i4") -- Addresses are very dodgy for ILX. They are used for both C-strings and
1795 Int2AddrOp -> simp_op (ilxOp "conv.i") -- the FFI. This needs more work.
1796 ISllOp -> simp_op (ilxOp "shl")
1797 ISraOp -> simp_op (ilxOp "shr")
1798 ISrlOp -> simp_op (ilxOp "shr.un")
1799 IntAddCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntAddCOp" [] [repInt, repInt])
1800 IntSubCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntSubCOp" [] [repInt, repInt])
1801 IntMulCOp -> simp_op (ilxCallSuppMeth (ilxUnboxedPairRep repInt repInt) "IntMulCOp" [] [repInt, repInt])
1802 IntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntGcdOp" [] [repInt, repInt])
1805 -- Word#-related ops:
1806 AndOp -> simp_op (ilxOp "and")
1807 OrOp -> simp_op (ilxOp "or")
1808 NotOp -> simp_op (ilxOp "not")
1809 XorOp -> simp_op (ilxOp "xor")
1810 SllOp -> simp_op (ilxOp "shl")
1811 SrlOp -> simp_op (ilxOp "shr")
1812 Word2IntOp -> simp_op (ilxOp "conv.i4")
1813 Int2WordOp -> simp_op (ilxOp "conv.u4")
1815 -- Float#-related ops:
1816 FloatAddOp -> simp_op (ilxOp "add")
1817 FloatSubOp -> simp_op (ilxOp "sub")
1818 FloatMulOp -> simp_op (ilxOp "mul")
1819 FloatDivOp -> simp_op (ilxOp "div")
1820 FloatNegOp -> simp_op (ilxOp "neg")
1821 Float2IntOp -> simp_op (ilxOp "conv.i4")
1822 Int2FloatOp -> simp_op (ilxOp "conv.r4")
1824 DoubleAddOp -> simp_op (ilxOp "add")
1825 DoubleSubOp -> simp_op (ilxOp "sub")
1826 DoubleMulOp -> simp_op (ilxOp "mul")
1827 DoubleDivOp -> simp_op (ilxOp "div")
1828 DoubleNegOp -> simp_op (ilxOp "neg")
1829 Double2IntOp -> simp_op (ilxOp "conv.i4")
1830 Int2DoubleOp -> simp_op (ilxOp "conv.r4")
1831 Double2FloatOp -> simp_op (ilxOp "conv.r4")
1832 Float2DoubleOp -> simp_op (ilxOp "conv.r8")
1833 DoubleDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeDouble" [] [ilxType "float64"])
1834 FloatDecodeOp -> simp_op (ilxCallSuppMeth (ilxUnboxedTripleRep repInt repInt repByteArray) "decodeFloat" [] [ilxType "float32"])
1836 FloatExpOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Exp(float64) conv.r4")
1837 FloatLogOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Log(float64) conv.r4")
1838 FloatSqrtOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sqrt(float64) conv.r4")
1839 FloatSinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sin(float64) conv.r4")
1840 FloatCosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cos(float64) conv.r4")
1841 FloatTanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tan(float64) conv.r4")
1842 FloatAsinOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Asin(float64) conv.r4")
1843 FloatAcosOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Acos(float64) conv.r4")
1844 FloatAtanOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Atan(float64) conv.r4")
1845 FloatSinhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Sinh(float64) conv.r4")
1846 FloatCoshOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Cosh(float64) conv.r4")
1847 FloatTanhOp -> simp_op (ilxOp "conv.r8 call float64 [mscorlib]System.Math::Tanh(float64) conv.r4")
1848 FloatPowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64) conv.r4") -- ** op, make use of implicit cast to r8...
1850 DoubleExpOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Exp(float64)")
1851 DoubleLogOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Log(float64)")
1852 DoubleSqrtOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sqrt(float64)")
1854 DoubleSinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sin(float64)")
1855 DoubleCosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cos(float64)")
1856 DoubleTanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tan(float64)")
1858 DoubleAsinOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Asin(float64)")
1859 DoubleAcosOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Acos(float64)")
1860 DoubleAtanOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Atan(float64)")
1862 DoubleSinhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Sinh(float64)")
1863 DoubleCoshOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Cosh(float64)")
1864 DoubleTanhOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Tanh(float64)")
1866 DoublePowerOp -> simp_op (ilxOp "call float64 [mscorlib]System.Math::Pow(float64, float64)")
1868 -- Integer (and related...) ops: bail out to support routines
1869 IntegerAndOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAndOp" [] [repInt, repByteArray, repInt, repByteArray])
1870 IntegerOrOp -> simp_op (ilxCallSuppMeth repInteger "IntegerOrOp" [] [repInt, repByteArray, repInt, repByteArray])
1871 IntegerXorOp -> simp_op (ilxCallSuppMeth repInteger "IntegerXorOp" [] [repInt, repByteArray, repInt, repByteArray])
1872 IntegerComplementOp -> simp_op (ilxCallSuppMeth repInteger "IntegerComplementOp" [] [repInt, repByteArray])
1873 IntegerAddOp -> simp_op (ilxCallSuppMeth repInteger "IntegerAddOp" [] [repInt, repByteArray, repInt, repByteArray])
1874 IntegerSubOp -> simp_op (ilxCallSuppMeth repInteger "IntegerSubOp" [] [repInt, repByteArray, repInt, repByteArray])
1875 IntegerMulOp -> simp_op (ilxCallSuppMeth repInteger "IntegerMulOp" [] [repInt, repByteArray, repInt, repByteArray])
1876 IntegerGcdOp -> simp_op (ilxCallSuppMeth repInteger "IntegerGcdOp" [] [repInt, repByteArray, repInt, repByteArray])
1877 IntegerQuotRemOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerQuotRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1878 IntegerDivModOp -> simp_op (ilxCallSuppMeth repIntegerPair "IntegerDivModOp" [] [repInt, repByteArray, repInt, repByteArray])
1879 IntegerIntGcdOp -> simp_op (ilxCallSuppMeth repInt "IntegerIntGcdOp" [] [repInt, repByteArray, repInt])
1880 IntegerDivExactOp -> simp_op (ilxCallSuppMeth repInteger "IntegerDivExactOp" [] [repInt, repByteArray, repInt, repByteArray])
1881 IntegerQuotOp -> simp_op (ilxCallSuppMeth repInteger "IntegerQuotOp" [] [repInt, repByteArray, repInt, repByteArray])
1882 IntegerRemOp -> simp_op (ilxCallSuppMeth repInteger "IntegerRemOp" [] [repInt, repByteArray, repInt, repByteArray])
1883 IntegerCmpOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpOp" [] [repInt, repByteArray, repInt, repByteArray])
1884 IntegerCmpIntOp -> simp_op (ilxCallSuppMeth repInt "IntegerCmpIntOp" [] [repInt, repByteArray, repInt])
1885 Integer2IntOp -> simp_op (ilxCallSuppMeth repInt "Integer2IntOp" [] [repInt, repByteArray])
1886 Integer2WordOp -> simp_op (ilxCallSuppMeth repWord "Integer2WordOp" [] [repInt, repByteArray])
1887 Int2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int2IntegerOp" [] [repInt])
1888 Word2IntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word2IntegerOp" [] [repWord])
1889 IntegerToInt64Op -> simp_op (ilxCallSuppMeth repInt64 "IntegerToInt64Op" [] [repInt,repByteArray])
1890 Int64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Int64ToIntegerOp" [] [repInt64])
1891 IntegerToWord64Op -> simp_op (ilxCallSuppMeth repWord64 "IntegerToWord64Op" [] [repInt,repByteArray])
1892 Word64ToIntegerOp -> simp_op (ilxCallSuppMeth repInteger "Word64ToIntegerOp" [] [repWord64])
1896 IndexByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1897 IndexByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1898 IndexByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1899 IndexByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1900 IndexByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1901 IndexByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1902 IndexByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1903 IndexByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1904 IndexByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1905 IndexByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1906 IndexByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1907 IndexByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1908 IndexByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1909 IndexByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1910 IndexByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1911 IndexByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1913 {- should be monadic??? -}
1914 ReadByteArrayOp_Char -> simp_op (ilxOp "ldelem.u1")
1915 ReadByteArrayOp_WideChar -> simp_op (ilxOp "ldelem.u4")
1916 ReadByteArrayOp_Int -> simp_op (ilxOp "ldelem.i4")
1917 ReadByteArrayOp_Word -> simp_op (ilxOp "ldelem.u4")
1918 ReadByteArrayOp_Addr -> simp_op (ilxOp "ldelem.u")
1919 ReadByteArrayOp_Float -> simp_op (ilxOp "ldelem.r4")
1920 ReadByteArrayOp_Double -> simp_op (ilxOp "ldelem.r8")
1921 ReadByteArrayOp_StablePtr -> simp_op (ilxOp "ldelem.ref")
1922 ReadByteArrayOp_Int8 -> simp_op (ilxOp "ldelem.i1")
1923 ReadByteArrayOp_Int16 -> simp_op (ilxOp "ldelem.i2")
1924 ReadByteArrayOp_Int32 -> simp_op (ilxOp "ldelem.i4")
1925 ReadByteArrayOp_Int64 -> simp_op (ilxOp "ldelem.i8")
1926 ReadByteArrayOp_Word8 -> simp_op (ilxOp "ldelem.u1")
1927 ReadByteArrayOp_Word16 -> simp_op (ilxOp "ldelem.u2")
1928 ReadByteArrayOp_Word32 -> simp_op (ilxOp "ldelem.u4")
1929 ReadByteArrayOp_Word64 -> simp_op (ilxOp "ldelem.u8")
1930 {- MutByteArr# s -> Int# -> State# s -> (# State# s, Char# #) -}
1931 {- ByteArr# -> Int# -> Char# -}
1934 WriteByteArrayOp_Char -> simp_op (ilxOp "stelem.u1")
1935 WriteByteArrayOp_WideChar -> simp_op (ilxOp "stelem.u4")
1936 WriteByteArrayOp_Int -> simp_op (ilxOp "stelem.i4")
1937 WriteByteArrayOp_Word -> simp_op (ilxOp "stelem.u4")
1938 WriteByteArrayOp_Addr -> simp_op (ilxOp "stelem.u")
1939 WriteByteArrayOp_Float -> simp_op (ilxOp "stelem.r4")
1940 WriteByteArrayOp_Double -> simp_op (ilxOp "stelem.r8")
1941 WriteByteArrayOp_StablePtr -> simp_op (ilxOp "stelem.ref")
1942 WriteByteArrayOp_Int8 -> simp_op (ilxOp "stelem.i1")
1943 WriteByteArrayOp_Int16 -> simp_op (ilxOp "stelem.i2")
1944 WriteByteArrayOp_Int32 -> simp_op (ilxOp "stelem.i4")
1945 WriteByteArrayOp_Int64 -> simp_op (ilxOp "stelem.i8")
1946 WriteByteArrayOp_Word8 -> simp_op (ilxOp "stelem.u1")
1947 WriteByteArrayOp_Word16 -> simp_op (ilxOp "stelem.u2")
1948 WriteByteArrayOp_Word32 -> simp_op (ilxOp "stelem.u4")
1949 WriteByteArrayOp_Word64 -> simp_op (ilxOp "stelem.i8 /* nb. no stelem.u8 */")
1950 {- MutByteArr# s -> Int# -> Char# -> State# s -> State# s -}
1952 IndexOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1953 IndexOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1954 IndexOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1955 IndexOffAddrOp_Word -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1956 IndexOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1957 IndexOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1958 IndexOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1959 IndexOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1960 IndexOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1961 IndexOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1962 IndexOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1963 IndexOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
1964 IndexOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1965 IndexOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
1966 IndexOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1967 IndexOffAddrOp_Word64 -> simp_op (ilxOp "sizeof int64 mul add ldind.u8")
1969 -- ForeignObj: load the address inside the object first
1970 -- TODO: is this remotely right?
1971 IndexOffForeignObjOp_Char -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1972 IndexOffForeignObjOp_WideChar -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.u4"])
1973 IndexOffForeignObjOp_Int -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1974 IndexOffForeignObjOp_Word -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1975 IndexOffForeignObjOp_Addr -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.i "])
1976 IndexOffForeignObjOp_StablePtr -> ty1_arg2_op (\ty fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof native unsigned int mul add ldind.ref "])
1977 IndexOffForeignObjOp_Float -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float32 mul add ldind.r4"])
1978 IndexOffForeignObjOp_Double -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof float64 mul add ldind.r8"])
1979 IndexOffForeignObjOp_Int8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int8 mul add ldind.i1"])
1980 IndexOffForeignObjOp_Int16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int16 mul add ldind.i2"])
1981 IndexOffForeignObjOp_Int32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int32 mul add ldind.i4"])
1982 IndexOffForeignObjOp_Int64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof int64 mul add ldind.i8"])
1983 IndexOffForeignObjOp_Word8 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int8 mul add ldind.u1"])
1984 IndexOffForeignObjOp_Word16 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int16 mul add ldind.u2"])
1985 IndexOffForeignObjOp_Word32 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int32 mul add ldind.u4"])
1986 IndexOffForeignObjOp_Word64 -> arg2_op (\fobj n -> ilxOpSeq [fobj, ilxAddrOfForeignOp, n, ilxOp "sizeof unsigned int64 mul add ldind.u8"])
1988 ReadOffAddrOp_Char -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
1989 ReadOffAddrOp_WideChar -> simp_op (ilxOp "sizeof int32 mul add ldind.u4")
1990 ReadOffAddrOp_Int -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1991 ReadOffAddrOp_Word -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
1992 ReadOffAddrOp_Addr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.i")
1993 ReadOffAddrOp_Float -> simp_op (ilxOp "sizeof float32 mul add ldind.r4")
1994 ReadOffAddrOp_Double -> simp_op (ilxOp "sizeof float64 mul add ldind.r8")
1995 ReadOffAddrOp_StablePtr -> simp_op (ilxOp "sizeof native unsigned int mul add ldind.ref")
1996 ReadOffAddrOp_Int8 -> simp_op (ilxOp "sizeof int8 mul add ldind.i1")
1997 ReadOffAddrOp_Int16 -> simp_op (ilxOp "sizeof int16 mul add ldind.i2")
1998 ReadOffAddrOp_Int32 -> simp_op (ilxOp "sizeof int32 mul add ldind.i4")
1999 ReadOffAddrOp_Int64 -> simp_op (ilxOp "sizeof int64 mul add ldind.i8")
2000 ReadOffAddrOp_Word8 -> simp_op (ilxOp "sizeof unsigned int8 mul add ldind.u1")
2001 ReadOffAddrOp_Word16 -> simp_op (ilxOp "sizeof unsigned int16 mul add ldind.u2")
2002 ReadOffAddrOp_Word32 -> simp_op (ilxOp "sizeof unsigned int32 mul add ldind.u4")
2003 ReadOffAddrOp_Word64 -> simp_op (ilxOp "sizeof unsigned int64 mul add ldind.u8")
2004 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2006 WriteOffAddrOp_Char -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "add", v, ilxOp "stind.u1"])
2007 WriteOffAddrOp_WideChar -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2008 WriteOffAddrOp_Int -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.i4"])
2009 WriteOffAddrOp_Word -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof int32 mul add", v, ilxOp "stind.u4"])
2010 WriteOffAddrOp_Addr -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.i"])
2011 WriteOffAddrOp_ForeignObj -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof native unsigned int mul add", v, ilxOp "stind.ref"])
2012 WriteOffAddrOp_Float -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr, n, ilxOp "sizeof float32 mul add", v,ilxOp "stind.r4"])
2013 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"])
2014 WriteOffAddrOp_Double -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof float64 mul add",v,ilxOp "stind.r8"])
2015 WriteOffAddrOp_Int8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int8 mul add",v,ilxOp "stind.i1"])
2016 WriteOffAddrOp_Int16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int16 mul add",v,ilxOp "stind.i2"])
2017 WriteOffAddrOp_Int32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int32 mul add",v,ilxOp "stind.i4"])
2018 WriteOffAddrOp_Int64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof int64 mul add",v,ilxOp "stind.i8"])
2019 WriteOffAddrOp_Word8 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int8 mul add",v,ilxOp "stind.u1"])
2020 WriteOffAddrOp_Word16 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int16 mul add",v,ilxOp "stind.u2"])
2021 WriteOffAddrOp_Word32 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int32 mul add",v,ilxOp "stind.u4"])
2022 WriteOffAddrOp_Word64 -> ty1_arg4_op (\sty addr n v s -> ilxOpSeq [addr,n,ilxOp "sizeof unsigned int64 mul add",v,ilxOp "stind.u8"])
2023 {- Addr# -> Int# -> Char# -> State# s -> State# s -}
2025 {- should be monadic??? -}
2026 NewByteArrayOp_Char -> simp_op (ilxOp "newarr [mscorlib]System.Byte")
2027 -- NewByteArrayOp_Int -> simp_op (ilxOp "newarr [mscorlib]System.Int32")
2028 -- NewByteArrayOp_Word -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2029 -- NewByteArrayOp_Addr -> simp_op (ilxOp "newarr [mscorlib]System.UInt64")
2030 -- NewByteArrayOp_Float -> simp_op (ilxOp "newarr [mscorlib]System.Single")
2031 -- NewByteArrayOp_Double -> simp_op (ilxOp "newarr [mscorlib]System.Double")
2032 -- NewByteArrayOp_StablePtr -> simp_op (ilxOp "newarr [mscorlib]System.UInt32")
2033 -- NewByteArrayOp_Int64 -> simp_op (ilxOp "newarr [mscorlib]System.Int64") TODO: there is no unique for this one -}
2034 -- NewByteArrayOp_Word64 -> simp_op (ilxOp "newarr [mscorlib]System.UInt64") -}
2035 {- Int# -> State# s -> (# State# s, MutByteArr# s #) -}
2037 UnsafeFreezeByteArrayOp -> ty1_op (\ty1 -> ilxOp "nop ")
2038 {- MutByteArr# s -> State# s -> (# State# s, ByteArr# #) -}
2039 SizeofByteArrayOp -> simp_op (ilxOp "ldlen")
2040 {- ByteArr# -> Int# -}
2042 SameMutableByteArrayOp -> ty1_op (\ty1 -> ilxCeq)
2043 {- MutByteArr# s -> MutByteArr# s -> Bool -}
2044 SizeofMutableByteArrayOp -> ty1_op (\ty1 -> ilxOp "ldlen")
2045 {- MutByteArr# s -> Int# -}
2047 SameMutVarOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2048 {- MutVar# s a -> MutVar# s a -> Bool -}
2049 NewMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "newobj void" , repMutVar ty1 ty2 , ilxOp "::.ctor(!0)"])
2050 {- a -> State# s -> (# State# s, MutVar# s a #) -}
2051 ReadMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "ldfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2052 {- MutVar# s a -> State# s -> (# State# s, a #) -}
2053 WriteMutVarOp -> ty2_op (\ty1 ty2 -> ilxOpSeq [ilxOp "stfld !0" , repMutVar ty1 ty2 , ilxOp "::contents"])
2054 {- MutVar# s a -> a -> State# s -> State# s -}
2056 NewArrayOp -> ty2_op (\ty1 ty2 -> ilxCallSuppMeth (ilxType "!!0[]") "newArray" [ty1] [repInt,ilxMethA])
2057 {- Int# -> a -> State# s -> (# State# s, MutArr# s a #) -}
2058 IndexArrayOp -> ty1_op (\ty1 -> ilxOp "ldelem.ref")
2059 {- Array# a -> Int# -> (# a #) -}
2060 WriteArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "stelem.ref")
2061 {- MutArr# s a -> Int# -> a -> State# s -> State# s -}
2062 ReadArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "ldelem.ref")
2063 {- MutArr# s a -> Int# -> State# s -> (# State# s, a #) -}
2064 UnsafeFreezeArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2065 {- MutArr# s a -> State# s -> (# State# s, Array# a #) -}
2066 UnsafeThawArrayOp -> ty2_op (\ty1 ty2 -> ilxOp "nop")
2067 {- Array# a -> State# s -> (# State# s, MutArr# s a #) -}
2069 SameMutableArrayOp -> ty2_op (\ty1 ty2 -> ilxCeq)
2070 {- MutArr# s a -> MutArr# s a -> Bool -}
2073 RaiseOp -> ty2_op (\ty1 ty2 -> ilxOp "throw")
2074 CatchOp -> ty2_op (\ty1 ty2 ->
2075 ilxCallSuppMeth ilxMethA "'catch'" [ty1,ty2] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>", ilxOp "thunk<(func (!!1) --> (func ( /* unit skipped */ ) --> !!0))>"])
2076 {- (State# RealWorld -> (# State# RealWorld, a #) )
2077 -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
2079 -> (# State# RealWorld, a #)
2082 BlockAsyncExceptionsOp -> ty1_op (\ty1 ->
2083 ilxCallSuppMeth ilxMethA "blockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2085 {- (State# RealWorld -> (# State# RealWorld, a #))
2086 -> (State# RealWorld -> (# State# RealWorld, a #))
2089 UnblockAsyncExceptionsOp -> ty1_op (\ty1 ->
2090 ilxCallSuppMeth ilxMethA "unblockAsyncExceptions" [ty1] [ilxOp "thunk<(func ( /* unit skipped */ ) --> !!0)>"])
2093 State# RealWorld -> (# State# RealWorld, a #))
2094 -> (State# RealWorld -> (# State# RealWorld, a #))
2097 NewMVarOp -> ty2_op (\sty ty ->
2098 ilxOpSeq [ilxOp "newobj void " , repMVar ty , ilxOp "::.ctor()"])
2099 {- State# s -> (# State# s, MVar# s a #) -}
2101 TakeMVarOp -> ty2_op (\sty ty ->
2102 ilxCallSuppMeth ilxMethA "takeMVar" [ty] [repMVar ilxMethA])
2103 {- MVar# s a -> State# s -> (# State# s, a #) -}
2105 -- These aren't yet right
2106 TryTakeMVarOp -> ty2_op (\sty ty ->
2107 ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA])
2108 {- MVar# s a -> State# s -> (# State# s, a #) -}
2110 TryPutMVarOp -> ty2_op (\sty ty ->
2111 ilxCallSuppMeth repInt "tryPutMVar" [ty] [repMVar ilxMethA,ilxMethA])
2112 {- MVar# s a -> State# s -> (# State# s, a #) -}
2114 PutMVarOp -> ty2_op (\sty ty ->
2115 ilxCallSuppMeth (ilxOp "void") "putMVar" [ty] [repMVar ilxMethA, ilxMethA])
2116 {- MVar# s a -> a -> State# s -> State# s -}
2118 SameMVarOp -> ty2_op (\sty ty -> ilxCeq)
2119 {- MVar# s a -> MVar# s a -> Bool -}
2121 -- TakeMaybeMVarOp -> ty2_op (\sty ty ->
2122 -- (ilxCallSuppMeth (ilxUnboxedPairRep repInt ilxMethA) "tryTakeMVar" [ty] [repMVar ilxMethA]))
2123 -- {- MVar# s a -> State# s -> (# State# s, Int#, a #) -}
2125 IsEmptyMVarOp -> ty2_op (\sty ty ->
2126 ilxCallSuppMeth repInt "isEmptyMVar" [ty] [repMVar ilxMethA])
2127 {- MVar# s a -> State# s -> (# State# s, Int# #) -}
2129 TouchOp -> warn_op "touch" (ty1_op (\ty1 -> ilxOp "pop /* PrimOp touch */ "))
2132 DataToTagOp -> ty1_op (\ty1 ->
2133 ilxCallSuppMeth repInt "dataToTag" [ty1] [ilxMethA])
2136 TagToEnumOp -> ty1_op (\ty1 ->
2137 ilxCallSuppMeth ilxMethA "tagToEnum" [ty1] [repInt])
2140 MakeStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "box", ty1, ilxOp "newobj void", repStablePtr {- ty1 -}, ilxOp "::.ctor(class [mscorlib]System.Object)"])
2141 {- a -> State# RealWorld -> (# State# RealWorld, StablePtr# a #) -}
2142 MakeStableNameOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "pop newobj void", repStableName {- ty1 -}, ilxOp "::.ctor()"])
2143 -- primOpInfo MakeStableNameOp = mkGenPrimOp SLIT("makeStableName#") [alphaTyVar] [alphaTy, mkStatePrimTy realWorldTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy realWorldTy, mkStableNamePrimTy alphaTy]))
2145 EqStableNameOp -> ty1_op (\ty1 -> ilxOp "ceq")
2146 -- [alphaTyVar] [mkStableNamePrimTy alphaTy, mkStableNamePrimTy alphaTy] (intPrimTy)
2147 StableNameToIntOp -> warn_op "StableNameToIntOp" (ty1_op (\ty1 -> ilxOp "pop ldc.i4 0"))
2148 -- [alphaTyVar] [mkStableNamePrimTy alphaTy] (intPrimTy)
2150 DeRefStablePtrOp -> ty1_op (\ty1 -> ilxOpSeq [ilxOp "ldfld class [mscorlib]System.Object", repStablePtr {- ty1 -}, ilxOp "::contents"])
2151 {- StablePtr# a -> State# RealWorld -> (# State# RealWorld, a #) -}
2153 EqStablePtrOp -> ty1_op (\ty1 -> ilxOp "ceq")
2154 {- StablePtr# a -> StablePtr# a -> Int# -}
2156 MkWeakOp -> ty3_op (\ty1 ty2 ty3 -> ilxCall (ilxMethodRef (repWeak ilxMethB) classWeak "bake" [ilxLift ty1,ilxLift ty2,ty3] [ilxMethA, ilxMethB, ilxLift (ilxOp "!!2")]))
2157 {- o -> b -> c -> State# RealWorld -> (# State# RealWorld, Weak# b #) -}
2159 DeRefWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt ilxMethA) classWeak "deref" [ty1] [repWeak ilxMethA]))
2160 FinalizeWeakOp -> ty1_op (\ty1 -> ilxCall (ilxMethodRef (ilxUnboxedPairRep repInt (ilxOp "thunk<(func ( /* unit skipped */ ) --> class '()')>")) classWeak "finalizer" [ty1] [repWeak ilxMethA]))
2161 {- Weak# a -> State# RealWorld -> (# State# RealWorld, Int#,
2162 State# RealWorld -> (# State# RealWorld, Unit #)) #) -}
2164 MkForeignObjOp -> simp_op (ilxOpSeq [ilxOp "newobj void", repForeign, ilxOp "::.ctor(void *)"])
2165 WriteForeignObjOp -> ty1_op (\sty -> ilxOpSeq [ilxOp "stfld void *", repForeign, ilxOp "::contents"])
2166 ForeignObjToAddrOp -> simp_op ilxAddrOfForeignOp
2167 YieldOp -> simp_op (ilxOpSeq [ilxOp "call class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread()
2168 call instance void class [mscorlib]System.Threading.Thread::Suspend()"])
2169 MyThreadIdOp -> simp_op (ilxOpSeq [ilxOp "call default class [mscorlib]System.Threading.Thread class [mscorlib]System.Threading.Thread::get_CurrentThread() "])
2170 KillThreadOp -> ty1_op (\ty -> ilxOpSeq [ilxOp "box", ty, ilxOp "call instance void class [mscorlib]System.Threading.Thread::Abort(class [mscorlib]System.Object) "])
2171 {- ThreadId# -> a -> State# RealWorld -> State# RealWorld -}
2173 ForkOp -> warn_op "ForkOp" (simp_op (ilxOp "/* ForkOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2174 ParOp -> warn_op "ParOp" (simp_op (ilxOp "/* ParOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2175 DelayOp -> simp_op (ilxOp "call void class [mscorlib]System.Threading.Thread::Sleep(int32) ")
2176 {- Int# -> State# s -> State# s -}
2178 WaitReadOp -> warn_op "WaitReadOp" (simp_op (ilxOp "/* WaitReadOp skipped... */ pop"))
2179 WaitWriteOp -> warn_op "WaitWriteOp" (simp_op (ilxOp " /* WaitWriteOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2180 CCallOp _ -> panic "CCallOp should already be done..."
2181 ParAtForNowOp -> warn_op "ParAtForNowOp" (simp_op (ilxOp " /* ParAtForNowOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2182 ParAtRelOp -> warn_op "ParAtRelOp" (simp_op (ilxOp " /* ParAtRelOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2183 ParAtAbsOp -> warn_op "ParAtAbsOp" (simp_op (ilxOp " /* ParAtAbsOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2184 ParAtOp -> warn_op "ParAtOp" (simp_op (ilxOp " /* ParAtOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2185 ParLocalOp -> warn_op "ParLocalOp" (simp_op (ilxOp " /* ParLocalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2186 ParGlobalOp -> warn_op "ParGlobalOp" (simp_op (ilxOp " /* ParGlobalOp skipped... */ newobj void [mscorlib]System.Object::.ctor() throw"))
2187 SeqOp -> warn_op "SeqOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw "))
2188 AddrToHValueOp -> warn_op "AddrToHValueOp" (simp_op (ilxOp "newobj void [mscorlib]System.Object::.ctor() throw"))
2189 ReallyUnsafePtrEqualityOp -> simp_op (ilxOp "ceq")
2191 MkApUpd0_Op -> warn_op "MkApUpd0_Op" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2192 NewBCOOp -> warn_op "NewBCOOp" (simp_op (ilxOp " newobj void [mscorlib]System.Object::.ctor() throw"))
2193 -- ("newBCO#") [alphaTyVar, deltaTyVar] [byteArrayPrimTy, byteArrayPrimTy, mkArrayPrimTy alphaTy, byteArrayPrimTy, mkStatePrimTy deltaTy] ((mkTupleTy Unboxed 2 [mkStatePrimTy deltaTy, bcoPrimTy]))
2196 ty1_op :: (IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2197 ty1_op op ((StgTypeArg ty1):rest) =
2198 ilxOpSeq [getArgsStartingAt 1 rest,
2199 op (ilxTypeR2 (deepIlxRepType ty1))]
2201 ty2_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2202 ty2_op op ((StgTypeArg ty1):(StgTypeArg ty2):rest) =
2203 ilxOpSeq [getArgsStartingAt 2 rest,
2204 op (ilxTypeR2 (deepIlxRepType ty1))
2205 (ilxTypeR2 (deepIlxRepType ty2))]
2207 ty3_op :: (IlxTyFrag -> IlxTyFrag -> IlxTyFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2208 ty3_op op ((StgTypeArg ty1):(StgTypeArg ty2):(StgTypeArg ty3):rest) =
2209 ilxOpSeq [getArgsStartingAt 3 rest,
2210 op (ilxTypeR2 (deepIlxRepType ty1))
2211 (ilxTypeR2 (deepIlxRepType ty2))
2212 (ilxTypeR2 (deepIlxRepType ty3))]
2214 arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2215 arg2_op op [a1, a2] =
2219 ty1_arg2_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2220 ty1_arg2_op op [(StgTypeArg ty1), a1, a2] =
2221 op (ilxTypeR2 (deepIlxRepType ty1))
2225 ty1_arg4_op :: (IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2226 ty1_arg4_op op [(StgTypeArg ty1), a1, a2, a3, a4] =
2227 op (ilxTypeR2 (deepIlxRepType ty1))
2233 ty2_arg4_op :: (IlxTyFrag -> IlxTyFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag -> IlxOpFrag) -> [StgArg] -> IlxOpFrag
2234 ty2_arg4_op op [(StgTypeArg ty1), (StgTypeArg ty2),a1, a2, a3, a4] =
2235 op (ilxTypeR2 (deepIlxRepType ty1))
2236 (ilxTypeR2 (deepIlxRepType ty2))
2244 getAsArg n a env = hd (ilxMapPlaceArgs n pushArg env [a])
2245 getArgsStartingAt n a env = vcat (ilxMapPlaceArgs n pushArg env a)
2247 simp_op :: IlxOpFrag -> [StgArg] -> IlxOpFrag
2248 simp_op op args env = vcat (ilxMapPlaceArgs 0 pushArg env args) $$ op env
2249 warn_op warning f args = trace ("WARNING! IlxGen cannot translate primop " ++ warning) (f args)
2252 %************************************************************************
2254 \subsection{C Calls}
2256 %************************************************************************
2260 -- Call the P/Invoke stub wrapper generated in the import section.
2261 -- We eliminate voids in and around an IL C Call.
2262 -- We also do some type-directed translation for pinning Haskell-managed blobs
2263 -- of data as we throw them across the boundary.
2264 ilxCCall env (CCall (StaticTarget c) casm gc cconv) args ret_ty =
2265 ilxComment (text "C call <+> pprCLabelString c") <+>
2266 vcat [vcat (ilxMapPlaceArgs 0 pushCArg env args),
2267 text "call" <+> retdoc <+> pprCLabelString c <+> pprTypeArgs ilxTypeR env ty_args
2268 <+> pprCValArgTys ilxTypeL env (map deepIlxRepType (filter (not. isVoidIlxRepType) (map stgArgType tm_args))) ]
2271 if isVoidIlxRepType ret_ty then text "void"
2272 else ilxTypeR env (deepIlxRepType ret_ty)
2273 (ty_args,tm_args) = splitTyArgs1 args
2276 hasTyCon (TyConApp tc _) tc2 = tc == tc2
2277 hasTyCon _ _ = False
2279 isByteArrayCArgTy ty = hasTyCon ty byteArrayPrimTyCon || hasTyCon ty mutableByteArrayPrimTyCon
2280 isByteArrayCArg v = isByteArrayCArgTy (deepIlxRepType (idType v))
2282 isForeignObjCArgTy ty = hasTyCon ty foreignObjPrimTyCon
2283 isForeignObjCArg v = isForeignObjCArgTy (deepIlxRepType (idType v))
2285 pinCCallArg v = isByteArrayCArg v || isForeignObjCArg v
2287 pinCArg env arg v = pushArg env arg <+> text "dup stloc" <+> singleQuotes (ilxEnvQualifyByExact env (ppr v) <> text "pin")
2288 pushCArg env arg@(StgVarArg v) | isByteArrayCArg v = pinCArg env arg v <+> ilxAddrOfByteArrOp env
2289 pushCArg env arg@(StgVarArg v) | isForeignObjCArg v = pinCArg env arg v <+> ilxAddrOfForeignOp env
2290 pushCArg env arg | otherwise = pushArg env arg
2292 pprCValArgTys f env tys = parens (pprSepWithCommas (pprCValArgTy f env) tys)
2293 pprCValArgTy f env ty | isByteArrayCArgTy ty = text "void *" <+> ilxComment (text "interior pointer into ByteArr#")
2294 pprCValArgTy f env ty | isForeignObjCArgTy ty = text "void *" <+> ilxComment (text "foreign object")
2295 pprCValArgTy f env ty | otherwise = f env ty
2298 foldR :: (a -> b -> b) -> [a] -> b -> b
2300 -- foldR f (x:xs) z = f x (foldR f xs z)
2301 {-# INLINE foldR #-}
2302 foldR k xs z = go xs
2305 go (y:ys) = y `k` go ys