Mercurial > projects > ldc
annotate gen/typinf.cpp @ 96:ce7ed8f59b99 trunk
[svn r100] Moved test/ray.d to demos/ray.d.
Cleanups.
| author | lindquist |
|---|---|
| date | Mon, 12 Nov 2007 07:58:44 +0100 |
| parents | ccca1c13e13a |
| children | 6789050b5ad1 |
| rev | line source |
|---|---|
| 1 | 1 |
| 2 | |
| 3 // Copyright (c) 1999-2004 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <cstdio> | |
| 12 #include <cassert> | |
| 13 | |
| 52 | 14 #include "gen/llvm.h" |
| 15 | |
| 1 | 16 #include "mars.h" |
| 17 #include "module.h" | |
| 18 #include "mtype.h" | |
| 19 #include "scope.h" | |
| 20 #include "init.h" | |
| 21 #include "expression.h" | |
| 22 #include "attrib.h" | |
| 23 #include "declaration.h" | |
| 24 #include "template.h" | |
| 25 #include "id.h" | |
| 26 #include "enum.h" | |
| 27 #include "import.h" | |
| 28 #include "aggregate.h" | |
| 29 | |
| 52 | 30 #include "gen/irstate.h" |
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31 #include "gen/logger.h" |
| 52 | 32 #include "gen/runtime.h" |
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33 #include "gen/tollvm.h" |
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34 #include "gen/arrays.h" |
| 1 | 35 |
| 36 /******************************************* | |
| 37 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 38 * runtime library routines. Canonicalized in that static arrays are | |
| 39 * represented as dynamic arrays, enums are represented by their | |
| 40 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 41 * so we can use the custom internal ones more. | |
| 42 */ | |
| 43 | |
| 44 Expression *Type::getInternalTypeInfo(Scope *sc) | |
| 45 { TypeInfoDeclaration *tid; | |
| 46 Expression *e; | |
| 47 Type *t; | |
| 48 static TypeInfoDeclaration *internalTI[TMAX]; | |
| 49 | |
| 50 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
| 51 t = toBasetype(); | |
| 52 switch (t->ty) | |
| 53 { | |
| 54 case Tsarray: | |
| 55 t = t->next->arrayOf(); // convert to corresponding dynamic array type | |
| 56 break; | |
| 57 | |
| 58 case Tclass: | |
| 59 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
| 60 break; | |
| 61 goto Linternal; | |
| 62 | |
| 63 case Tarray: | |
| 64 if (t->next->ty != Tclass) | |
| 65 break; | |
| 66 goto Linternal; | |
| 67 | |
| 68 case Tfunction: | |
| 69 case Tdelegate: | |
| 70 case Tpointer: | |
| 71 Linternal: | |
| 72 tid = internalTI[t->ty]; | |
| 73 if (!tid) | |
| 74 { tid = new TypeInfoDeclaration(t, 1); | |
| 75 internalTI[t->ty] = tid; | |
| 76 } | |
| 77 e = new VarExp(0, tid); | |
| 52 | 78 //e = e->addressOf(sc); |
| 1 | 79 e->type = tid->type; // do this so we don't get redundant dereference |
| 80 return e; | |
| 81 | |
| 82 default: | |
| 83 break; | |
| 84 } | |
| 85 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
| 86 return t->getTypeInfo(sc); | |
| 87 } | |
| 88 | |
| 89 | |
| 90 /**************************************************** | |
| 91 * Get the exact TypeInfo. | |
| 92 */ | |
| 93 | |
| 94 Expression *Type::getTypeInfo(Scope *sc) | |
| 95 { | |
| 96 Expression *e; | |
| 97 Type *t; | |
| 98 | |
| 99 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
| 100 t = merge(); // do this since not all Type's are merge'd | |
| 101 if (!t->vtinfo) | |
| 102 { t->vtinfo = t->getTypeInfoDeclaration(); | |
| 103 assert(t->vtinfo); | |
| 104 | |
| 105 /* If this has a custom implementation in std/typeinfo, then | |
| 106 * do not generate a COMDAT for it. | |
| 107 */ | |
| 108 if (!t->builtinTypeInfo()) | |
| 109 { // Generate COMDAT | |
| 110 if (sc) // if in semantic() pass | |
| 111 { // Find module that will go all the way to an object file | |
| 112 Module *m = sc->module->importedFrom; | |
| 113 m->members->push(t->vtinfo); | |
| 114 } | |
| 115 else // if in obj generation pass | |
| 116 { | |
| 117 t->vtinfo->toObjFile(); | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 e = new VarExp(0, t->vtinfo); | |
| 122 //e = e->addressOf(sc); | |
| 123 e->type = t->vtinfo->type; // do this so we don't get redundant dereference | |
| 124 return e; | |
| 125 } | |
| 126 | |
| 52 | 127 enum RET TypeFunction::retStyle() |
| 128 { | |
| 129 return RETstack; | |
| 130 } | |
| 1 | 131 |
| 132 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
| 133 { | |
| 134 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
| 135 return new TypeInfoDeclaration(this, 0); | |
| 136 } | |
| 137 | |
| 52 | 138 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
| 1 | 139 { |
| 52 | 140 return new TypeInfoTypedefDeclaration(this); |
| 1 | 141 } |
| 142 | |
| 52 | 143 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
| 144 { | |
| 145 return new TypeInfoPointerDeclaration(this); | |
| 146 } | |
| 1 | 147 |
| 148 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
| 149 { | |
| 150 return new TypeInfoArrayDeclaration(this); | |
| 151 } | |
| 152 | |
| 153 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
| 154 { | |
| 155 return new TypeInfoStaticArrayDeclaration(this); | |
| 156 } | |
| 157 | |
| 158 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
| 159 { | |
| 160 return new TypeInfoAssociativeArrayDeclaration(this); | |
| 161 } | |
| 162 | |
| 52 | 163 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
| 164 { | |
| 165 return new TypeInfoStructDeclaration(this); | |
| 166 } | |
| 1 | 167 |
| 168 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
| 169 { | |
| 170 if (sym->isInterfaceDeclaration()) | |
| 171 return new TypeInfoInterfaceDeclaration(this); | |
| 172 else | |
| 173 return new TypeInfoClassDeclaration(this); | |
| 174 } | |
| 175 | |
| 176 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
| 177 { | |
| 178 return new TypeInfoEnumDeclaration(this); | |
| 179 } | |
| 180 | |
| 181 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
| 182 { | |
| 183 return new TypeInfoFunctionDeclaration(this); | |
| 184 } | |
| 185 | |
| 186 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
| 187 { | |
| 188 return new TypeInfoDelegateDeclaration(this); | |
| 189 } | |
| 190 | |
| 191 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
| 192 { | |
| 193 return new TypeInfoTupleDeclaration(this); | |
| 194 } | |
| 195 | |
| 196 | |
| 197 /* ========================================================================= */ | |
| 198 | |
| 199 /* These decide if there's an instance for them already in std.typeinfo, | |
| 200 * because then the compiler doesn't need to build one. | |
| 201 */ | |
| 202 | |
| 203 int Type::builtinTypeInfo() | |
| 204 { | |
| 205 return 0; | |
| 206 } | |
| 207 | |
| 208 int TypeBasic::builtinTypeInfo() | |
| 209 { | |
| 210 return 1; | |
| 211 } | |
| 212 | |
| 213 int TypeDArray::builtinTypeInfo() | |
| 214 { | |
| 52 | 215 return next->isTypeBasic() != NULL; |
| 1 | 216 } |
| 217 | |
| 218 /* ========================================================================= */ | |
| 219 | |
| 220 /*************************************** | |
| 221 * Create a static array of TypeInfo references | |
| 222 * corresponding to an array of Expression's. | |
| 223 * Used to supply hidden _arguments[] value for variadic D functions. | |
| 224 */ | |
| 225 | |
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226 Expression *createTypeInfoArray(Scope *sc, Expression *exps[], int dim) |
| 1 | 227 { |
| 228 assert(0); | |
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229 return NULL; |
| 1 | 230 } |
| 231 | |
| 52 | 232 /* ========================================================================= */ |
| 233 | |
| 234 ////////////////////////////////////////////////////////////////////////////// | |
| 235 // MAGIC PLACE | |
| 236 ////////////////////////////////////////////////////////////////////////////// | |
| 237 | |
| 238 void TypeInfoDeclaration::toObjFile() | |
| 239 { | |
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240 if (llvmTouched) return; |
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241 else llvmTouched = true; |
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242 |
| 52 | 243 Logger::println("TypeInfoDeclaration::toObjFile()"); |
| 244 LOG_SCOPE; | |
| 65 | 245 |
| 52 | 246 Logger::println("type = '%s'", tinfo->toChars()); |
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247 Logger::println("typeinfo mangle: %s", mangle()); |
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248 |
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249 // this is a declaration of a builtin __initZ var |
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250 if (tinfo->builtinTypeInfo()) { |
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251 llvmValue = LLVM_D_GetRuntimeGlobal(gIR->module, mangle()); |
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252 assert(llvmValue); |
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253 Logger::cout() << "Got typeinfo var:" << '\n' << *llvmValue << '\n'; |
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254 } |
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255 // custom typedef |
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256 else { |
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257 toDt(NULL); |
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258 } |
| 52 | 259 } |
| 260 | |
| 261 /* ========================================================================= */ | |
| 262 | |
| 263 void TypeInfoDeclaration::toDt(dt_t **pdt) | |
| 264 { | |
| 265 assert(0 && "TypeInfoDeclaration"); | |
| 266 } | |
| 267 | |
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268 /* ========================================================================= */ |
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269 |
| 52 | 270 void TypeInfoTypedefDeclaration::toDt(dt_t **pdt) |
| 271 { | |
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272 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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273 LOG_SCOPE; |
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274 |
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275 ClassDeclaration* base = Type::typeinfotypedef; |
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276 base->toObjFile(); |
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277 |
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278 llvm::Constant* initZ = base->llvmInitZ; |
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279 assert(initZ); |
| 96 | 280 const llvm::StructType* stype = isaStruct(initZ->getType()); |
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281 |
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282 std::vector<llvm::Constant*> sinits; |
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283 sinits.push_back(initZ->getOperand(0)); |
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284 |
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285 assert(tinfo->ty == Ttypedef); |
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286 TypeTypedef *tc = (TypeTypedef *)tinfo; |
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287 TypedefDeclaration *sd = tc->sym; |
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288 |
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289 // TypeInfo base |
| 96 | 290 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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291 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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292 Logger::println("generating base typeinfo"); |
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293 //sd->basetype = sd->basetype->merge(); |
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294 sd->basetype->getTypeInfo(NULL); // generate vtinfo |
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295 assert(sd->basetype->vtinfo); |
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296 if (!sd->basetype->vtinfo->llvmValue) |
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297 sd->basetype->vtinfo->toObjFile(); |
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298 assert(llvm::isa<llvm::Constant>(sd->basetype->vtinfo->llvmValue)); |
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299 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->basetype->vtinfo->llvmValue); |
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300 castbase = llvm::ConstantExpr::getBitCast(castbase, initZ->getOperand(1)->getType()); |
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301 sinits.push_back(castbase); |
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302 |
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303 // char[] name |
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304 char *name = sd->toPrettyChars(); |
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305 sinits.push_back(DtoConstString(name)); |
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306 assert(sinits.back()->getType() == initZ->getOperand(2)->getType()); |
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307 |
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308 // void[] init |
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309 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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310 if (tinfo->isZeroInit() || !sd->init) // 0 initializer, or the same as the base type |
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311 { |
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312 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
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313 } |
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314 else |
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315 { |
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316 llvm::Constant* ci = DtoConstInitializer(sd->basetype, sd->init); |
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317 std::string ciname(sd->mangle()); |
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318 ciname.append("__init"); |
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319 llvm::GlobalVariable* civar = new llvm::GlobalVariable(DtoType(sd->basetype),true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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320 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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321 size_t cisize = gTargetData->getTypeSize(DtoType(sd->basetype)); |
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322 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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323 } |
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324 |
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325 // create the symbol |
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326 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 327 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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328 |
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329 llvmValue = gvar; |
| 52 | 330 } |
| 331 | |
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332 /* ========================================================================= */ |
| 52 | 333 |
| 334 void TypeInfoEnumDeclaration::toDt(dt_t **pdt) | |
| 335 { | |
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336 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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337 LOG_SCOPE; |
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338 |
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339 ClassDeclaration* base = Type::typeinfoenum; |
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340 base->toObjFile(); |
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341 |
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342 llvm::Constant* initZ = base->llvmInitZ; |
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343 assert(initZ); |
| 96 | 344 const llvm::StructType* stype = isaStruct(initZ->getType()); |
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345 |
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346 std::vector<llvm::Constant*> sinits; |
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347 sinits.push_back(initZ->getOperand(0)); |
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348 |
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349 assert(tinfo->ty == Tenum); |
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350 TypeEnum *tc = (TypeEnum *)tinfo; |
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351 EnumDeclaration *sd = tc->sym; |
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352 |
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353 // TypeInfo base |
| 96 | 354 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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355 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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356 Logger::println("generating base typeinfo"); |
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357 //sd->basetype = sd->basetype->merge(); |
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358 sd->memtype->getTypeInfo(NULL); // generate vtinfo |
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359 assert(sd->memtype->vtinfo); |
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360 if (!sd->memtype->vtinfo->llvmValue) |
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361 sd->memtype->vtinfo->toObjFile(); |
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362 assert(llvm::isa<llvm::Constant>(sd->memtype->vtinfo->llvmValue)); |
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363 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->memtype->vtinfo->llvmValue); |
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364 castbase = llvm::ConstantExpr::getBitCast(castbase, initZ->getOperand(1)->getType()); |
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365 sinits.push_back(castbase); |
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366 |
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367 // char[] name |
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368 char *name = sd->toPrettyChars(); |
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369 sinits.push_back(DtoConstString(name)); |
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370 assert(sinits.back()->getType() == initZ->getOperand(2)->getType()); |
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371 |
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372 // void[] init |
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373 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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374 if (tinfo->isZeroInit() || !sd->defaultval) // 0 initializer, or the same as the base type |
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375 { |
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376 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
|
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377 } |
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378 else |
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379 { |
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380 const llvm::Type* memty = DtoType(sd->memtype); |
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381 llvm::Constant* ci = llvm::ConstantInt::get(memty, sd->defaultval, !sd->memtype->isunsigned()); |
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382 std::string ciname(sd->mangle()); |
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383 ciname.append("__init"); |
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384 llvm::GlobalVariable* civar = new llvm::GlobalVariable(memty,true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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385 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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386 size_t cisize = gTargetData->getTypeSize(memty); |
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387 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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388 } |
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389 |
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390 // create the symbol |
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391 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 392 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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393 |
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394 llvmValue = gvar; |
| 52 | 395 } |
| 396 | |
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397 /* ========================================================================= */ |
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398 |
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399 static llvm::Constant* LLVM_D_Create_TypeInfoBase(Type* basetype, TypeInfoDeclaration* tid, ClassDeclaration* cd) |
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400 { |
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401 ClassDeclaration* base = cd; |
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402 base->toObjFile(); |
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403 |
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404 llvm::Constant* initZ = base->llvmInitZ; |
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405 assert(initZ); |
| 96 | 406 const llvm::StructType* stype = isaStruct(initZ->getType()); |
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407 |
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408 std::vector<llvm::Constant*> sinits; |
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409 sinits.push_back(initZ->getOperand(0)); |
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410 |
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411 // TypeInfo base |
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412 Logger::println("generating base typeinfo"); |
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413 basetype->getTypeInfo(NULL); |
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414 assert(basetype->vtinfo); |
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415 if (!basetype->vtinfo->llvmValue) |
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416 basetype->vtinfo->toObjFile(); |
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417 assert(llvm::isa<llvm::Constant>(basetype->vtinfo->llvmValue)); |
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418 llvm::Constant* castbase = llvm::cast<llvm::Constant>(basetype->vtinfo->llvmValue); |
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419 castbase = llvm::ConstantExpr::getBitCast(castbase, initZ->getOperand(1)->getType()); |
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420 sinits.push_back(castbase); |
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421 |
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422 // create the symbol |
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423 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 424 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,tid->toChars(),gIR->module); |
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425 |
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426 tid->llvmValue = gvar; |
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427 } |
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428 |
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429 /* ========================================================================= */ |
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430 |
| 52 | 431 void TypeInfoPointerDeclaration::toDt(dt_t **pdt) |
| 432 { | |
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433 Logger::println("TypeInfoPointerDeclaration::toDt() %s", toChars()); |
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434 LOG_SCOPE; |
| 52 | 435 |
| 436 assert(tinfo->ty == Tpointer); | |
| 437 TypePointer *tc = (TypePointer *)tinfo; | |
| 438 | |
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439 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfopointer); |
| 52 | 440 } |
| 441 | |
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442 /* ========================================================================= */ |
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443 |
| 52 | 444 void TypeInfoArrayDeclaration::toDt(dt_t **pdt) |
| 445 { | |
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446 Logger::println("TypeInfoArrayDeclaration::toDt() %s", toChars()); |
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447 LOG_SCOPE; |
| 52 | 448 |
| 449 assert(tinfo->ty == Tarray); | |
| 450 TypeDArray *tc = (TypeDArray *)tinfo; | |
| 451 | |
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452 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfoarray); |
| 52 | 453 } |
| 454 | |
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455 /* ========================================================================= */ |
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456 |
| 52 | 457 void TypeInfoStaticArrayDeclaration::toDt(dt_t **pdt) |
| 458 { | |
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459 assert(0 && "TypeInfoStaticArrayDeclaration"); |
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460 |
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461 /* |
| 52 | 462 //printf("TypeInfoStaticArrayDeclaration::toDt()\n"); |
| 463 dtxoff(pdt, Type::typeinfostaticarray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_StaticArray | |
| 464 dtdword(pdt, 0); // monitor | |
| 465 | |
| 466 assert(tinfo->ty == Tsarray); | |
| 467 | |
| 468 TypeSArray *tc = (TypeSArray *)tinfo; | |
| 469 | |
| 470 tc->next->getTypeInfo(NULL); | |
| 471 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 472 | |
| 473 dtdword(pdt, tc->dim->toInteger()); // length | |
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474 */ |
| 52 | 475 } |
| 476 | |
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477 /* ========================================================================= */ |
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478 |
| 52 | 479 void TypeInfoAssociativeArrayDeclaration::toDt(dt_t **pdt) |
| 480 { | |
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481 assert(0 && "TypeInfoAssociativeArrayDeclaration"); |
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482 |
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483 /* |
| 52 | 484 //printf("TypeInfoAssociativeArrayDeclaration::toDt()\n"); |
| 485 dtxoff(pdt, Type::typeinfoassociativearray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_AssociativeArray | |
| 486 dtdword(pdt, 0); // monitor | |
| 487 | |
| 488 assert(tinfo->ty == Taarray); | |
| 489 | |
| 490 TypeAArray *tc = (TypeAArray *)tinfo; | |
| 491 | |
| 492 tc->next->getTypeInfo(NULL); | |
| 493 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 494 | |
| 495 tc->index->getTypeInfo(NULL); | |
| 496 dtxoff(pdt, tc->index->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
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497 */ |
| 52 | 498 } |
| 499 | |
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500 /* ========================================================================= */ |
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501 |
| 52 | 502 void TypeInfoFunctionDeclaration::toDt(dt_t **pdt) |
| 503 { | |
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504 Logger::println("TypeInfoFunctionDeclaration::toDt() %s", toChars()); |
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505 LOG_SCOPE; |
| 52 | 506 |
| 507 assert(tinfo->ty == Tfunction); | |
| 508 TypeFunction *tc = (TypeFunction *)tinfo; | |
| 509 | |
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510 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfofunction); |
| 52 | 511 } |
| 512 | |
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513 /* ========================================================================= */ |
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514 |
| 52 | 515 void TypeInfoDelegateDeclaration::toDt(dt_t **pdt) |
| 516 { | |
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517 Logger::println("TypeInfoDelegateDeclaration::toDt() %s", toChars()); |
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518 LOG_SCOPE; |
| 52 | 519 |
| 520 assert(tinfo->ty == Tdelegate); | |
| 521 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
| 522 | |
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523 LLVM_D_Create_TypeInfoBase(tc->next->next, this, Type::typeinfodelegate); |
| 52 | 524 } |
| 525 | |
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526 /* ========================================================================= */ |
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527 |
| 52 | 528 void TypeInfoStructDeclaration::toDt(dt_t **pdt) |
| 529 { | |
| 72 | 530 Logger::println("TypeInfoStructDeclaration::toDt() %s", toChars()); |
| 531 LOG_SCOPE; | |
| 532 | |
| 533 assert(tinfo->ty == Tstruct); | |
| 534 TypeStruct *tc = (TypeStruct *)tinfo; | |
| 535 StructDeclaration *sd = tc->sym; | |
| 89 | 536 sd->toObjFile(); |
| 72 | 537 |
| 538 ClassDeclaration* base = Type::typeinfostruct; | |
| 539 base->toObjFile(); | |
| 540 | |
| 96 | 541 const llvm::StructType* stype = isaStruct(base->llvmType); |
| 72 | 542 |
| 543 std::vector<llvm::Constant*> sinits; | |
| 544 sinits.push_back(base->llvmVtbl); | |
| 545 | |
| 546 // char[] name | |
| 547 char *name = sd->toPrettyChars(); | |
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548 sinits.push_back(DtoConstString(name)); |
| 73 | 549 Logger::println("************** A"); |
| 72 | 550 assert(sinits.back()->getType() == stype->getElementType(1)); |
| 551 | |
| 552 // void[] init | |
| 553 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 554 if (sd->zeroInit) // 0 initializer, or the same as the base type | |
| 555 { | |
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556 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
| 72 | 557 } |
| 558 else | |
| 559 { | |
| 560 assert(sd->llvmInitZ); | |
| 561 size_t cisize = gTargetData->getTypeSize(tc->llvmType); | |
| 562 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(tc->llvmInit, initpt); | |
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563 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
| 72 | 564 } |
| 565 | |
| 566 // toX functions ground work | |
| 567 FuncDeclaration *fd; | |
| 568 FuncDeclaration *fdx; | |
| 569 TypeFunction *tf; | |
| 570 Type *ta; | |
| 571 Dsymbol *s; | |
| 572 | |
| 573 static TypeFunction *tftohash; | |
| 574 static TypeFunction *tftostring; | |
| 575 | |
| 576 if (!tftohash) | |
| 577 { | |
| 578 Scope sc; | |
| 579 | |
| 580 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
| 581 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
| 582 | |
| 583 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
| 584 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
| 585 } | |
| 586 | |
| 587 TypeFunction *tfeqptr; | |
| 588 { | |
| 589 Scope sc; | |
| 590 Arguments *arguments = new Arguments; | |
| 591 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
| 592 | |
| 593 arguments->push(arg); | |
| 594 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 595 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
| 596 } | |
| 597 | |
| 598 #if 0 | |
| 599 TypeFunction *tfeq; | |
| 600 { | |
| 601 Scope sc; | |
| 602 Array *arguments = new Array; | |
| 603 Argument *arg = new Argument(In, tc, NULL, NULL); | |
| 604 | |
| 605 arguments->push(arg); | |
| 606 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 607 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
| 608 } | |
| 609 #endif | |
| 610 | |
| 73 | 611 Logger::println("************** B"); |
| 96 | 612 const llvm::PointerType* ptty = isaPointer(stype->getElementType(3)); |
| 72 | 613 |
| 614 s = search_function(sd, Id::tohash); | |
| 615 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 616 if (fdx) | |
| 617 { | |
| 618 fd = fdx->overloadExactMatch(tftohash); | |
| 619 if (fd) { | |
| 620 assert(fd->llvmValue != 0); | |
| 621 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 622 assert(c); | |
| 623 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 624 sinits.push_back(c); | |
| 625 } | |
| 626 else { | |
| 627 //fdx->error("must be declared as extern (D) uint toHash()"); | |
| 628 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 629 } | |
| 630 } | |
| 631 else { | |
| 632 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 633 } | |
| 634 | |
| 635 s = search_function(sd, Id::eq); | |
| 636 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 637 for (int i = 0; i < 2; i++) | |
| 638 { | |
| 73 | 639 Logger::println("************** C %d", i); |
| 96 | 640 ptty = isaPointer(stype->getElementType(4+i)); |
| 72 | 641 if (fdx) |
| 642 { | |
| 643 fd = fdx->overloadExactMatch(tfeqptr); | |
| 644 if (fd) { | |
| 645 assert(fd->llvmValue != 0); | |
| 646 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 647 assert(c); | |
| 648 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 649 sinits.push_back(c); | |
| 650 } | |
| 651 else { | |
| 652 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
| 653 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 654 } | |
| 655 } | |
| 656 else { | |
| 657 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 658 } | |
| 659 | |
| 660 s = search_function(sd, Id::cmp); | |
| 661 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 662 } | |
| 663 | |
| 73 | 664 Logger::println("************** D"); |
| 96 | 665 ptty = isaPointer(stype->getElementType(6)); |
| 72 | 666 s = search_function(sd, Id::tostring); |
| 667 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 668 if (fdx) | |
| 669 { | |
| 670 fd = fdx->overloadExactMatch(tftostring); | |
| 671 if (fd) { | |
| 672 assert(fd->llvmValue != 0); | |
| 673 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 674 assert(c); | |
| 675 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 676 sinits.push_back(c); | |
| 677 } | |
| 678 else { | |
| 679 //fdx->error("must be declared as extern (D) char[] toString()"); | |
| 680 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 681 } | |
| 682 } | |
| 683 else { | |
| 684 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 685 } | |
| 686 | |
| 687 // uint m_flags; | |
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688 sinits.push_back(DtoConstUint(tc->hasPointers())); |
| 72 | 689 |
| 690 // create the symbol | |
| 691 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); | |
| 73 | 692 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
| 72 | 693 |
| 694 llvmValue = gvar; | |
| 52 | 695 } |
| 696 | |
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697 /* ========================================================================= */ |
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698 |
| 52 | 699 void TypeInfoClassDeclaration::toDt(dt_t **pdt) |
| 700 { | |
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701 assert(0 && "TypeInfoClassDeclaration"); |
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702 |
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703 /* |
| 52 | 704 //printf("TypeInfoClassDeclaration::toDt() %s\n", tinfo->toChars()); |
| 705 dtxoff(pdt, Type::typeinfoclass->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoClass | |
| 706 dtdword(pdt, 0); // monitor | |
| 707 | |
| 708 assert(tinfo->ty == Tclass); | |
| 709 | |
| 710 TypeClass *tc = (TypeClass *)tinfo; | |
| 711 Symbol *s; | |
| 712 | |
| 713 if (!tc->sym->vclassinfo) | |
| 714 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 715 s = tc->sym->vclassinfo->toSymbol(); | |
| 716 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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717 */ |
| 52 | 718 } |
| 719 | |
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720 /* ========================================================================= */ |
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721 |
| 52 | 722 void TypeInfoInterfaceDeclaration::toDt(dt_t **pdt) |
| 723 { | |
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724 assert(0 && "TypeInfoInterfaceDeclaration"); |
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725 |
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726 /* |
| 52 | 727 //printf("TypeInfoInterfaceDeclaration::toDt() %s\n", tinfo->toChars()); |
| 728 dtxoff(pdt, Type::typeinfointerface->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 729 dtdword(pdt, 0); // monitor | |
| 730 | |
| 731 assert(tinfo->ty == Tclass); | |
| 732 | |
| 733 TypeClass *tc = (TypeClass *)tinfo; | |
| 734 Symbol *s; | |
| 735 | |
| 736 if (!tc->sym->vclassinfo) | |
| 737 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 738 s = tc->sym->vclassinfo->toSymbol(); | |
| 739 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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740 */ |
| 52 | 741 } |
| 742 | |
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743 /* ========================================================================= */ |
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744 |
| 52 | 745 void TypeInfoTupleDeclaration::toDt(dt_t **pdt) |
| 746 { | |
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747 assert(0 && "TypeInfoTupleDeclaration"); |
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748 |
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749 /* |
| 52 | 750 //printf("TypeInfoTupleDeclaration::toDt() %s\n", tinfo->toChars()); |
| 751 dtxoff(pdt, Type::typeinfotypelist->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 752 dtdword(pdt, 0); // monitor | |
| 753 | |
| 754 assert(tinfo->ty == Ttuple); | |
| 755 | |
| 756 TypeTuple *tu = (TypeTuple *)tinfo; | |
| 757 | |
| 758 size_t dim = tu->arguments->dim; | |
| 759 dtdword(pdt, dim); // elements.length | |
| 760 | |
| 761 dt_t *d = NULL; | |
| 762 for (size_t i = 0; i < dim; i++) | |
| 763 { Argument *arg = (Argument *)tu->arguments->data[i]; | |
| 764 Expression *e = arg->type->getTypeInfo(NULL); | |
| 765 e = e->optimize(WANTvalue); | |
| 766 e->toDt(&d); | |
| 767 } | |
| 768 | |
| 769 Symbol *s; | |
| 770 s = static_sym(); | |
| 771 s->Sdt = d; | |
| 772 outdata(s); | |
| 773 | |
| 774 dtxoff(pdt, s, 0, TYnptr); // elements.ptr | |
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775 */ |
| 52 | 776 } |
| 89 | 777 |
| 778 /* ========================================================================= */ | |
| 779 /* ========================================================================= */ | |
| 780 /* CLASS INFO STUFF */ | |
| 781 /* ========================================================================= */ | |
| 782 /* ========================================================================= */ | |
| 783 | |
| 784 void DtoClassInfo(ClassDeclaration* cd) | |
| 785 { | |
| 786 // The layout is: | |
| 787 // { | |
| 788 // void **vptr; | |
| 789 // monitor_t monitor; | |
| 790 // byte[] initializer; // static initialization data | |
| 791 // char[] name; // class name | |
| 792 // void *[] vtbl; | |
| 793 // Interface[] interfaces; | |
| 794 // ClassInfo *base; // base class | |
| 795 // void *destructor; | |
| 796 // void *invariant; // class invariant | |
| 797 // uint flags; | |
| 798 // void *deallocator; | |
| 799 // OffsetTypeInfo[] offTi; | |
| 800 // void *defaultConstructor; | |
| 801 // } | |
| 802 | |
| 803 // holds the list of initializers for llvm | |
| 804 std::vector<llvm::Constant*> inits; | |
| 805 | |
| 806 ClassDeclaration* cinfo = ClassDeclaration::classinfo; | |
| 807 assert(cinfo); | |
| 808 Logger::println("cinfo toObj"); | |
| 809 cinfo->toObjFile(); | |
| 810 | |
| 811 Logger::println("cinfo toObj done"); | |
| 812 assert(cinfo->type->ty == Tclass); | |
| 813 TypeClass* tc = (TypeClass*)cinfo->type; | |
| 814 //assert(tc->llvmInit); | |
| 815 //assert(cinfo->llvmInitZ); | |
| 816 | |
| 817 cinfo = ClassDeclaration::classinfo; | |
| 818 assert(cinfo->llvmInitZ); | |
| 819 | |
| 820 /* | |
| 821 llvm::Constant* c; | |
| 822 | |
| 823 // own vtable | |
| 824 c = cinfo->llvmInitZ->getOperand(0); | |
| 825 assert(c); | |
| 826 inits.push_back(c); | |
| 827 | |
| 828 // monitor | |
| 829 // TODO no monitors yet | |
| 830 | |
| 831 // initializer | |
| 832 c = cinfo->llvmInitZ->getOperand(1); | |
| 833 inits.push_back(c); | |
| 834 | |
| 835 // class name | |
| 836 // from dmd | |
| 837 char *name = cd->ident->toChars(); | |
| 838 size_t namelen = strlen(name); | |
| 839 if (!(namelen > 9 && memcmp(name, "TypeInfo_", 9) == 0)) | |
| 840 { | |
| 841 name = cd->toPrettyChars(); | |
| 842 namelen = strlen(name); | |
| 843 } | |
| 844 c = DtoConstString(name); | |
| 845 inits.push_back(c); | |
| 846 | |
| 847 // vtbl array | |
| 848 c = cinfo->llvmInitZ->getOperand(3); | |
| 849 inits.push_back(c); | |
| 850 | |
| 851 // interfaces array | |
| 852 c = cinfo->llvmInitZ->getOperand(4); | |
| 853 inits.push_back(c); | |
| 854 | |
| 855 // base classinfo | |
| 856 c = cinfo->llvmInitZ->getOperand(5); | |
| 857 inits.push_back(c); | |
| 858 | |
| 859 // destructor | |
| 860 c = cinfo->llvmInitZ->getOperand(5); | |
| 861 inits.push_back(c); | |
| 862 | |
| 863 // invariant | |
| 864 c = cinfo->llvmInitZ->getOperand(6); | |
| 865 inits.push_back(c); | |
| 866 | |
| 867 // flags | |
| 868 c = cinfo->llvmInitZ->getOperand(7); | |
| 869 inits.push_back(c); | |
| 870 | |
| 871 // allocator | |
| 872 c = cinfo->llvmInitZ->getOperand(8); | |
| 873 inits.push_back(c); | |
| 874 | |
| 875 // offset typeinfo | |
| 876 c = cinfo->llvmInitZ->getOperand(9); | |
| 877 inits.push_back(c); | |
| 878 | |
| 879 // default constructor | |
| 880 c = cinfo->llvmInitZ->getOperand(10); | |
| 881 inits.push_back(c); | |
| 882 | |
| 883 // build the initializer | |
| 96 | 884 const llvm::StructType* st = isaStruct(cinfo->llvmInitZ->getType()); |
| 89 | 885 llvm::Constant* finalinit = llvm::ConstantStruct::get(st, inits); |
| 886 Logger::cout() << "built the classinfo initializer:\n" << *finalinit <<'\n'; | |
| 887 | |
| 888 assert(0); | |
| 889 */ | |
| 890 } | |
| 891 | |
| 892 | |
| 893 | |
| 894 | |
| 895 | |
| 896 | |
| 897 | |
| 898 | |
| 899 | |
| 900 | |
| 901 | |
| 902 | |
| 903 | |
| 904 |