Mercurial > projects > ldc
annotate gen/typinf.cpp @ 105:182b41f56b7f trunk
[svn r109] Fixed support for static array TypeInfo
| author | lindquist |
|---|---|
| date | Mon, 19 Nov 2007 03:39:46 +0100 |
| parents | 027b8d8b71ec |
| children | 5b5194b25f33 |
| 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 | |
|
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11 // Modifications for LLVMDC: |
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12 // Copyright (c) 2007 by Tomas Lindquist Olsen |
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13 // tomas at famolsen dk |
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14 |
| 1 | 15 #include <cstdio> |
| 16 #include <cassert> | |
| 17 | |
| 52 | 18 #include "gen/llvm.h" |
| 19 | |
| 1 | 20 #include "mars.h" |
| 21 #include "module.h" | |
| 22 #include "mtype.h" | |
| 23 #include "scope.h" | |
| 24 #include "init.h" | |
| 25 #include "expression.h" | |
| 26 #include "attrib.h" | |
| 27 #include "declaration.h" | |
| 28 #include "template.h" | |
| 29 #include "id.h" | |
| 30 #include "enum.h" | |
| 31 #include "import.h" | |
| 32 #include "aggregate.h" | |
| 33 | |
| 52 | 34 #include "gen/irstate.h" |
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35 #include "gen/logger.h" |
| 52 | 36 #include "gen/runtime.h" |
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37 #include "gen/tollvm.h" |
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38 #include "gen/arrays.h" |
| 100 | 39 #include "gen/structs.h" |
| 1 | 40 |
| 41 /******************************************* | |
| 42 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 43 * runtime library routines. Canonicalized in that static arrays are | |
| 44 * represented as dynamic arrays, enums are represented by their | |
| 45 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 46 * so we can use the custom internal ones more. | |
| 47 */ | |
| 48 | |
| 49 Expression *Type::getInternalTypeInfo(Scope *sc) | |
| 50 { TypeInfoDeclaration *tid; | |
| 51 Expression *e; | |
| 52 Type *t; | |
| 53 static TypeInfoDeclaration *internalTI[TMAX]; | |
| 54 | |
| 55 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
| 56 t = toBasetype(); | |
| 57 switch (t->ty) | |
| 58 { | |
| 59 case Tsarray: | |
| 60 t = t->next->arrayOf(); // convert to corresponding dynamic array type | |
| 61 break; | |
| 62 | |
| 63 case Tclass: | |
| 64 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
| 65 break; | |
| 66 goto Linternal; | |
| 67 | |
| 68 case Tarray: | |
| 69 if (t->next->ty != Tclass) | |
| 70 break; | |
| 71 goto Linternal; | |
| 72 | |
| 73 case Tfunction: | |
| 74 case Tdelegate: | |
| 75 case Tpointer: | |
| 76 Linternal: | |
| 77 tid = internalTI[t->ty]; | |
| 78 if (!tid) | |
| 79 { tid = new TypeInfoDeclaration(t, 1); | |
| 80 internalTI[t->ty] = tid; | |
| 81 } | |
| 82 e = new VarExp(0, tid); | |
| 52 | 83 //e = e->addressOf(sc); |
| 1 | 84 e->type = tid->type; // do this so we don't get redundant dereference |
| 85 return e; | |
| 86 | |
| 87 default: | |
| 88 break; | |
| 89 } | |
| 90 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
| 91 return t->getTypeInfo(sc); | |
| 92 } | |
| 93 | |
| 94 | |
| 95 /**************************************************** | |
| 96 * Get the exact TypeInfo. | |
| 97 */ | |
| 98 | |
| 99 Expression *Type::getTypeInfo(Scope *sc) | |
| 100 { | |
| 101 Expression *e; | |
| 102 Type *t; | |
| 103 | |
| 104 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
| 105 t = merge(); // do this since not all Type's are merge'd | |
| 106 if (!t->vtinfo) | |
| 107 { t->vtinfo = t->getTypeInfoDeclaration(); | |
| 108 assert(t->vtinfo); | |
| 109 | |
| 110 /* If this has a custom implementation in std/typeinfo, then | |
| 111 * do not generate a COMDAT for it. | |
| 112 */ | |
| 113 if (!t->builtinTypeInfo()) | |
| 114 { // Generate COMDAT | |
| 115 if (sc) // if in semantic() pass | |
| 116 { // Find module that will go all the way to an object file | |
| 117 Module *m = sc->module->importedFrom; | |
| 118 m->members->push(t->vtinfo); | |
| 119 } | |
| 120 else // if in obj generation pass | |
| 121 { | |
| 122 t->vtinfo->toObjFile(); | |
| 123 } | |
| 124 } | |
| 125 } | |
| 126 e = new VarExp(0, t->vtinfo); | |
| 127 //e = e->addressOf(sc); | |
| 128 e->type = t->vtinfo->type; // do this so we don't get redundant dereference | |
| 129 return e; | |
| 130 } | |
| 131 | |
| 52 | 132 enum RET TypeFunction::retStyle() |
| 133 { | |
| 134 return RETstack; | |
| 135 } | |
| 1 | 136 |
| 137 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
| 138 { | |
| 139 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
| 140 return new TypeInfoDeclaration(this, 0); | |
| 141 } | |
| 142 | |
| 52 | 143 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
| 1 | 144 { |
| 52 | 145 return new TypeInfoTypedefDeclaration(this); |
| 1 | 146 } |
| 147 | |
| 52 | 148 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
| 149 { | |
| 150 return new TypeInfoPointerDeclaration(this); | |
| 151 } | |
| 1 | 152 |
| 153 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
| 154 { | |
| 155 return new TypeInfoArrayDeclaration(this); | |
| 156 } | |
| 157 | |
| 158 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
| 159 { | |
| 160 return new TypeInfoStaticArrayDeclaration(this); | |
| 161 } | |
| 162 | |
| 163 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
| 164 { | |
| 165 return new TypeInfoAssociativeArrayDeclaration(this); | |
| 166 } | |
| 167 | |
| 52 | 168 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
| 169 { | |
| 170 return new TypeInfoStructDeclaration(this); | |
| 171 } | |
| 1 | 172 |
| 173 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
| 174 { | |
| 175 if (sym->isInterfaceDeclaration()) | |
| 176 return new TypeInfoInterfaceDeclaration(this); | |
| 177 else | |
| 178 return new TypeInfoClassDeclaration(this); | |
| 179 } | |
| 180 | |
| 181 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
| 182 { | |
| 183 return new TypeInfoEnumDeclaration(this); | |
| 184 } | |
| 185 | |
| 186 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
| 187 { | |
| 188 return new TypeInfoFunctionDeclaration(this); | |
| 189 } | |
| 190 | |
| 191 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
| 192 { | |
| 193 return new TypeInfoDelegateDeclaration(this); | |
| 194 } | |
| 195 | |
| 196 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
| 197 { | |
| 198 return new TypeInfoTupleDeclaration(this); | |
| 199 } | |
| 200 | |
| 201 | |
| 202 /* ========================================================================= */ | |
| 203 | |
| 204 /* These decide if there's an instance for them already in std.typeinfo, | |
| 205 * because then the compiler doesn't need to build one. | |
| 206 */ | |
| 207 | |
| 208 int Type::builtinTypeInfo() | |
| 209 { | |
| 210 return 0; | |
| 211 } | |
| 212 | |
| 213 int TypeBasic::builtinTypeInfo() | |
| 214 { | |
| 215 return 1; | |
| 216 } | |
| 217 | |
| 218 int TypeDArray::builtinTypeInfo() | |
| 219 { | |
| 52 | 220 return next->isTypeBasic() != NULL; |
| 1 | 221 } |
| 222 | |
| 223 /* ========================================================================= */ | |
| 224 | |
| 225 /*************************************** | |
| 226 * Create a static array of TypeInfo references | |
| 227 * corresponding to an array of Expression's. | |
| 228 * Used to supply hidden _arguments[] value for variadic D functions. | |
| 229 */ | |
| 230 | |
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231 Expression *createTypeInfoArray(Scope *sc, Expression *exps[], int dim) |
| 1 | 232 { |
| 233 assert(0); | |
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234 return NULL; |
| 1 | 235 } |
| 236 | |
| 52 | 237 /* ========================================================================= */ |
| 238 | |
| 239 ////////////////////////////////////////////////////////////////////////////// | |
| 240 // MAGIC PLACE | |
| 241 ////////////////////////////////////////////////////////////////////////////// | |
| 242 | |
| 243 void TypeInfoDeclaration::toObjFile() | |
| 244 { | |
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245 gIR->resolveList.push_back(this); |
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246 } |
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247 |
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248 void DtoResolveTypeInfo(TypeInfoDeclaration* tid) |
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249 { |
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250 if (tid->llvmResolved) return; |
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251 tid->llvmResolved = true; |
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252 |
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253 Logger::println("* DtoResolveTypeInfo(%s)", tid->toChars()); |
| 52 | 254 LOG_SCOPE; |
| 65 | 255 |
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256 tid->llvmIRGlobal = new IRGlobal(tid); |
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257 |
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258 gIR->declareList.push_back(tid); |
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259 } |
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260 |
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261 void DtoDeclareTypeInfo(TypeInfoDeclaration* tid) |
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262 { |
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263 if (tid->llvmDeclared) return; |
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264 tid->llvmDeclared = true; |
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265 |
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266 Logger::println("* DtoDeclareTypeInfo(%s)", tid->toChars()); |
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267 LOG_SCOPE; |
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268 |
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269 std::string mangled(tid->mangle()); |
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270 |
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271 Logger::println("type = '%s'", tid->tinfo->toChars()); |
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272 Logger::println("typeinfo mangle: %s", mangled.c_str()); |
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273 |
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274 // this is a declaration of a builtin __initZ var |
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275 if (tid->tinfo->builtinTypeInfo()) { |
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276 tid->llvmValue = LLVM_D_GetRuntimeGlobal(gIR->module, mangled.c_str()); |
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277 assert(tid->llvmValue); |
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278 mangled.append("__TYPE"); |
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279 gIR->module->addTypeName(mangled, tid->llvmValue->getType()->getContainedType(0)); |
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280 Logger::println("Got typeinfo var: %s", tid->llvmValue->getName().c_str()); |
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281 tid->llvmInitialized = true; |
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282 tid->llvmDefined = true; |
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283 } |
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284 // custom typedef |
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285 else { |
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286 gIR->constInitList.push_back(tid); |
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287 } |
| 52 | 288 } |
| 289 | |
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290 void DtoConstInitTypeInfo(TypeInfoDeclaration* tid) |
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291 { |
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292 if (tid->llvmInitialized) return; |
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293 tid->llvmInitialized = true; |
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294 |
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295 Logger::println("* DtoConstInitTypeInfo(%s)", tid->toChars()); |
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296 LOG_SCOPE; |
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297 |
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298 tid->toDt(NULL); |
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299 |
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300 tid->llvmDefined = true; |
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301 //gIR->defineList.push_back(tid); |
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302 } |
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303 |
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304 void DtoDefineTypeInfo(TypeInfoDeclaration* tid) |
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305 { |
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306 if (tid->llvmDefined) return; |
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307 tid->llvmDefined = true; |
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308 |
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309 Logger::println("* DtoDefineTypeInfo(%s)", tid->toChars()); |
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310 LOG_SCOPE; |
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311 |
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312 assert(0); |
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313 } |
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314 |
| 52 | 315 /* ========================================================================= */ |
| 316 | |
| 317 void TypeInfoDeclaration::toDt(dt_t **pdt) | |
| 318 { | |
| 319 assert(0 && "TypeInfoDeclaration"); | |
| 320 } | |
| 321 | |
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322 /* ========================================================================= */ |
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323 |
| 52 | 324 void TypeInfoTypedefDeclaration::toDt(dt_t **pdt) |
| 325 { | |
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326 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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327 LOG_SCOPE; |
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328 |
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329 ClassDeclaration* base = Type::typeinfotypedef; |
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330 DtoForceConstInitDsymbol(base); |
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331 |
| 100 | 332 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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333 Logger::cout() << "got stype: " << *stype << '\n'; |
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334 |
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335 std::vector<llvm::Constant*> sinits; |
| 100 | 336 sinits.push_back(base->llvmVtbl); |
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337 |
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338 assert(tinfo->ty == Ttypedef); |
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339 TypeTypedef *tc = (TypeTypedef *)tinfo; |
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340 TypedefDeclaration *sd = tc->sym; |
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341 |
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342 // TypeInfo base |
| 96 | 343 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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344 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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345 Logger::println("generating base typeinfo"); |
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346 //sd->basetype = sd->basetype->merge(); |
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347 |
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348 sd->basetype->getTypeInfo(NULL); // generate vtinfo |
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349 assert(sd->basetype->vtinfo); |
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350 if (!sd->basetype->vtinfo->llvmValue) |
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351 DtoForceConstInitDsymbol(sd->basetype->vtinfo); |
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352 |
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353 assert(sd->basetype->vtinfo->llvmValue); |
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354 assert(llvm::isa<llvm::Constant>(sd->basetype->vtinfo->llvmValue)); |
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355 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->basetype->vtinfo->llvmValue); |
| 100 | 356 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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357 sinits.push_back(castbase); |
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358 |
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359 // char[] name |
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360 char *name = sd->toPrettyChars(); |
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361 sinits.push_back(DtoConstString(name)); |
| 100 | 362 assert(sinits.back()->getType() == stype->getElementType(2)); |
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363 |
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364 // void[] init |
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365 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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366 if (tinfo->isZeroInit() || !sd->init) // 0 initializer, or the same as the base type |
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367 { |
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368 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
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369 } |
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370 else |
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371 { |
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372 llvm::Constant* ci = DtoConstInitializer(sd->basetype, sd->init); |
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373 std::string ciname(sd->mangle()); |
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374 ciname.append("__init"); |
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375 llvm::GlobalVariable* civar = new llvm::GlobalVariable(DtoType(sd->basetype),true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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376 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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377 size_t cisize = gTargetData->getTypeSize(DtoType(sd->basetype)); |
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378 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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379 } |
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380 |
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381 // create the symbol |
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382 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 383 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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384 |
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385 llvmValue = gvar; |
| 52 | 386 } |
| 387 | |
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388 /* ========================================================================= */ |
| 52 | 389 |
| 390 void TypeInfoEnumDeclaration::toDt(dt_t **pdt) | |
| 391 { | |
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392 Logger::println("TypeInfoTypedefDeclaration::toDt() %s", toChars()); |
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393 LOG_SCOPE; |
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394 |
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395 ClassDeclaration* base = Type::typeinfoenum; |
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396 DtoForceConstInitDsymbol(base); |
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397 |
| 100 | 398 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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399 |
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400 std::vector<llvm::Constant*> sinits; |
| 100 | 401 sinits.push_back(base->llvmVtbl); |
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402 |
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403 assert(tinfo->ty == Tenum); |
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404 TypeEnum *tc = (TypeEnum *)tinfo; |
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405 EnumDeclaration *sd = tc->sym; |
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406 |
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407 // TypeInfo base |
| 96 | 408 //const llvm::PointerType* basept = isaPointer(initZ->getOperand(1)->getType()); |
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409 //sinits.push_back(llvm::ConstantPointerNull::get(basept)); |
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410 Logger::println("generating base typeinfo"); |
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411 //sd->basetype = sd->basetype->merge(); |
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412 |
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413 sd->memtype->getTypeInfo(NULL); // generate vtinfo |
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414 assert(sd->memtype->vtinfo); |
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415 if (!sd->memtype->vtinfo->llvmValue) |
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416 DtoForceConstInitDsymbol(sd->memtype->vtinfo); |
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417 |
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418 assert(llvm::isa<llvm::Constant>(sd->memtype->vtinfo->llvmValue)); |
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419 llvm::Constant* castbase = llvm::cast<llvm::Constant>(sd->memtype->vtinfo->llvmValue); |
| 100 | 420 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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421 sinits.push_back(castbase); |
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422 |
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423 // char[] name |
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424 char *name = sd->toPrettyChars(); |
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425 sinits.push_back(DtoConstString(name)); |
| 100 | 426 assert(sinits.back()->getType() == stype->getElementType(2)); |
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427 |
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428 // void[] init |
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429 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); |
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430 if (tinfo->isZeroInit() || !sd->defaultval) // 0 initializer, or the same as the base type |
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431 { |
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432 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
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433 } |
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434 else |
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435 { |
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436 const llvm::Type* memty = DtoType(sd->memtype); |
|
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437 llvm::Constant* ci = llvm::ConstantInt::get(memty, sd->defaultval, !sd->memtype->isunsigned()); |
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438 std::string ciname(sd->mangle()); |
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439 ciname.append("__init"); |
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440 llvm::GlobalVariable* civar = new llvm::GlobalVariable(memty,true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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441 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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442 size_t cisize = gTargetData->getTypeSize(memty); |
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443 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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444 } |
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445 |
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446 // create the symbol |
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447 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 448 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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449 |
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450 llvmValue = gvar; |
| 52 | 451 } |
| 452 | |
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453 /* ========================================================================= */ |
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454 |
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455 static llvm::Constant* LLVM_D_Create_TypeInfoBase(Type* basetype, TypeInfoDeclaration* tid, ClassDeclaration* cd) |
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456 { |
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457 ClassDeclaration* base = cd; |
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458 DtoForceConstInitDsymbol(base); |
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459 |
| 100 | 460 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
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461 |
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462 std::vector<llvm::Constant*> sinits; |
| 100 | 463 sinits.push_back(base->llvmVtbl); |
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464 |
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465 // TypeInfo base |
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466 Logger::println("generating base typeinfo"); |
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467 basetype->getTypeInfo(NULL); |
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468 assert(basetype->vtinfo); |
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469 if (!basetype->vtinfo->llvmValue) |
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470 DtoForceConstInitDsymbol(basetype->vtinfo); |
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471 assert(llvm::isa<llvm::Constant>(basetype->vtinfo->llvmValue)); |
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472 llvm::Constant* castbase = llvm::cast<llvm::Constant>(basetype->vtinfo->llvmValue); |
| 100 | 473 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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474 sinits.push_back(castbase); |
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475 |
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476 // create the symbol |
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477 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
| 73 | 478 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,tid->toChars(),gIR->module); |
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479 |
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480 tid->llvmValue = gvar; |
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481 } |
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482 |
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483 /* ========================================================================= */ |
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484 |
| 52 | 485 void TypeInfoPointerDeclaration::toDt(dt_t **pdt) |
| 486 { | |
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487 Logger::println("TypeInfoPointerDeclaration::toDt() %s", toChars()); |
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488 LOG_SCOPE; |
| 52 | 489 |
| 490 assert(tinfo->ty == Tpointer); | |
| 491 TypePointer *tc = (TypePointer *)tinfo; | |
| 492 | |
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493 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfopointer); |
| 52 | 494 } |
| 495 | |
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496 /* ========================================================================= */ |
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497 |
| 52 | 498 void TypeInfoArrayDeclaration::toDt(dt_t **pdt) |
| 499 { | |
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500 Logger::println("TypeInfoArrayDeclaration::toDt() %s", toChars()); |
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501 LOG_SCOPE; |
| 52 | 502 |
| 503 assert(tinfo->ty == Tarray); | |
| 504 TypeDArray *tc = (TypeDArray *)tinfo; | |
| 505 | |
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506 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfoarray); |
| 52 | 507 } |
| 508 | |
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509 /* ========================================================================= */ |
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510 |
| 52 | 511 void TypeInfoStaticArrayDeclaration::toDt(dt_t **pdt) |
| 512 { | |
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513 Logger::println("TypeInfoStaticArrayDeclaration::toDt() %s", toChars()); |
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514 LOG_SCOPE; |
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515 |
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516 // init typeinfo class |
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517 ClassDeclaration* base = Type::typeinfostaticarray; |
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518 DtoForceConstInitDsymbol(base); |
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519 |
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520 // get type of typeinfo class |
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521 const llvm::StructType* stype = isaStruct(base->type->llvmType->get()); |
| 52 | 522 |
|
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523 // initializer vector |
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524 std::vector<llvm::Constant*> sinits; |
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525 // first is always the vtable |
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526 sinits.push_back(base->llvmVtbl); |
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527 |
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528 // value typeinfo |
| 52 | 529 assert(tinfo->ty == Tsarray); |
| 530 TypeSArray *tc = (TypeSArray *)tinfo; | |
| 531 tc->next->getTypeInfo(NULL); | |
|
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532 |
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533 // get symbol |
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534 assert(tc->next->vtinfo); |
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535 DtoForceConstInitDsymbol(tc->next->vtinfo); |
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536 llvm::Constant* castbase = isaConstant(tc->next->vtinfo->llvmValue); |
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537 castbase = llvm::ConstantExpr::getBitCast(castbase, stype->getElementType(1)); |
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538 sinits.push_back(castbase); |
| 52 | 539 |
|
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540 // length |
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541 sinits.push_back(DtoConstSize_t(tc->dim->toInteger())); |
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542 |
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543 // create the symbol |
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544 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); |
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545 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
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546 |
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547 llvmValue = gvar; |
| 52 | 548 } |
| 549 | |
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550 /* ========================================================================= */ |
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551 |
| 52 | 552 void TypeInfoAssociativeArrayDeclaration::toDt(dt_t **pdt) |
| 553 { | |
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554 assert(0 && "TypeInfoAssociativeArrayDeclaration"); |
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555 |
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556 /* |
| 52 | 557 //printf("TypeInfoAssociativeArrayDeclaration::toDt()\n"); |
| 558 dtxoff(pdt, Type::typeinfoassociativearray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_AssociativeArray | |
| 559 dtdword(pdt, 0); // monitor | |
| 560 | |
| 561 assert(tinfo->ty == Taarray); | |
| 562 | |
| 563 TypeAArray *tc = (TypeAArray *)tinfo; | |
| 564 | |
| 565 tc->next->getTypeInfo(NULL); | |
| 566 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 567 | |
| 568 tc->index->getTypeInfo(NULL); | |
| 569 dtxoff(pdt, tc->index->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
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570 */ |
| 52 | 571 } |
| 572 | |
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573 /* ========================================================================= */ |
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574 |
| 52 | 575 void TypeInfoFunctionDeclaration::toDt(dt_t **pdt) |
| 576 { | |
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577 Logger::println("TypeInfoFunctionDeclaration::toDt() %s", toChars()); |
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578 LOG_SCOPE; |
| 52 | 579 |
| 580 assert(tinfo->ty == Tfunction); | |
| 581 TypeFunction *tc = (TypeFunction *)tinfo; | |
| 582 | |
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583 LLVM_D_Create_TypeInfoBase(tc->next, this, Type::typeinfofunction); |
| 52 | 584 } |
| 585 | |
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586 /* ========================================================================= */ |
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587 |
| 52 | 588 void TypeInfoDelegateDeclaration::toDt(dt_t **pdt) |
| 589 { | |
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590 Logger::println("TypeInfoDelegateDeclaration::toDt() %s", toChars()); |
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591 LOG_SCOPE; |
| 52 | 592 |
| 593 assert(tinfo->ty == Tdelegate); | |
| 594 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
| 595 | |
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596 LLVM_D_Create_TypeInfoBase(tc->next->next, this, Type::typeinfodelegate); |
| 52 | 597 } |
| 598 | |
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599 /* ========================================================================= */ |
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600 |
| 52 | 601 void TypeInfoStructDeclaration::toDt(dt_t **pdt) |
| 602 { | |
| 72 | 603 Logger::println("TypeInfoStructDeclaration::toDt() %s", toChars()); |
| 604 LOG_SCOPE; | |
| 605 | |
| 606 assert(tinfo->ty == Tstruct); | |
| 607 TypeStruct *tc = (TypeStruct *)tinfo; | |
| 608 StructDeclaration *sd = tc->sym; | |
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609 DtoForceConstInitDsymbol(sd); |
| 72 | 610 |
| 611 ClassDeclaration* base = Type::typeinfostruct; | |
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612 DtoForceConstInitDsymbol(base); |
| 72 | 613 |
| 100 | 614 const llvm::StructType* stype = isaStruct(((TypeClass*)base->type)->llvmType->get()); |
| 72 | 615 |
| 616 std::vector<llvm::Constant*> sinits; | |
| 617 sinits.push_back(base->llvmVtbl); | |
| 618 | |
| 619 // char[] name | |
| 620 char *name = sd->toPrettyChars(); | |
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621 sinits.push_back(DtoConstString(name)); |
| 73 | 622 Logger::println("************** A"); |
| 72 | 623 assert(sinits.back()->getType() == stype->getElementType(1)); |
| 624 | |
| 625 // void[] init | |
| 626 const llvm::PointerType* initpt = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 627 if (sd->zeroInit) // 0 initializer, or the same as the base type | |
| 628 { | |
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629 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
| 72 | 630 } |
| 631 else | |
| 632 { | |
| 633 assert(sd->llvmInitZ); | |
| 100 | 634 size_t cisize = gTargetData->getTypeSize(tc->llvmType->get()); |
| 72 | 635 llvm::Constant* cicast = llvm::ConstantExpr::getBitCast(tc->llvmInit, initpt); |
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636 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
| 72 | 637 } |
| 638 | |
| 639 // toX functions ground work | |
| 640 FuncDeclaration *fd; | |
| 641 FuncDeclaration *fdx; | |
| 642 TypeFunction *tf; | |
| 643 Type *ta; | |
| 644 Dsymbol *s; | |
| 645 | |
| 646 static TypeFunction *tftohash; | |
| 647 static TypeFunction *tftostring; | |
| 648 | |
| 649 if (!tftohash) | |
| 650 { | |
| 651 Scope sc; | |
| 652 | |
| 653 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
| 654 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
| 655 | |
| 656 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
| 657 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
| 658 } | |
| 659 | |
| 660 TypeFunction *tfeqptr; | |
| 661 { | |
| 662 Scope sc; | |
| 663 Arguments *arguments = new Arguments; | |
| 664 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
| 665 | |
| 666 arguments->push(arg); | |
| 667 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 668 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
| 669 } | |
| 670 | |
| 671 #if 0 | |
| 672 TypeFunction *tfeq; | |
| 673 { | |
| 674 Scope sc; | |
| 675 Array *arguments = new Array; | |
| 676 Argument *arg = new Argument(In, tc, NULL, NULL); | |
| 677 | |
| 678 arguments->push(arg); | |
| 679 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 680 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
| 681 } | |
| 682 #endif | |
| 683 | |
| 73 | 684 Logger::println("************** B"); |
| 96 | 685 const llvm::PointerType* ptty = isaPointer(stype->getElementType(3)); |
| 72 | 686 |
| 687 s = search_function(sd, Id::tohash); | |
| 688 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 689 if (fdx) | |
| 690 { | |
| 691 fd = fdx->overloadExactMatch(tftohash); | |
| 692 if (fd) { | |
| 693 assert(fd->llvmValue != 0); | |
| 694 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 695 assert(c); | |
| 696 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 697 sinits.push_back(c); | |
| 698 } | |
| 699 else { | |
| 700 //fdx->error("must be declared as extern (D) uint toHash()"); | |
| 701 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 702 } | |
| 703 } | |
| 704 else { | |
| 705 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 706 } | |
| 707 | |
| 708 s = search_function(sd, Id::eq); | |
| 709 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 710 for (int i = 0; i < 2; i++) | |
| 711 { | |
| 73 | 712 Logger::println("************** C %d", i); |
| 96 | 713 ptty = isaPointer(stype->getElementType(4+i)); |
| 72 | 714 if (fdx) |
| 715 { | |
| 716 fd = fdx->overloadExactMatch(tfeqptr); | |
| 717 if (fd) { | |
| 718 assert(fd->llvmValue != 0); | |
| 719 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 720 assert(c); | |
| 721 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 722 sinits.push_back(c); | |
| 723 } | |
| 724 else { | |
| 725 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
| 726 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 727 } | |
| 728 } | |
| 729 else { | |
| 730 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 731 } | |
| 732 | |
| 733 s = search_function(sd, Id::cmp); | |
| 734 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 735 } | |
| 736 | |
| 73 | 737 Logger::println("************** D"); |
| 96 | 738 ptty = isaPointer(stype->getElementType(6)); |
| 72 | 739 s = search_function(sd, Id::tostring); |
| 740 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 741 if (fdx) | |
| 742 { | |
| 743 fd = fdx->overloadExactMatch(tftostring); | |
| 744 if (fd) { | |
| 745 assert(fd->llvmValue != 0); | |
| 746 llvm::Constant* c = llvm::cast_or_null<llvm::Constant>(fd->llvmValue); | |
| 747 assert(c); | |
| 748 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
| 749 sinits.push_back(c); | |
| 750 } | |
| 751 else { | |
| 752 //fdx->error("must be declared as extern (D) char[] toString()"); | |
| 753 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 754 } | |
| 755 } | |
| 756 else { | |
| 757 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
| 758 } | |
| 759 | |
| 760 // uint m_flags; | |
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761 sinits.push_back(DtoConstUint(tc->hasPointers())); |
| 72 | 762 |
| 763 // create the symbol | |
| 764 llvm::Constant* tiInit = llvm::ConstantStruct::get(stype, sinits); | |
| 73 | 765 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(stype,true,llvm::GlobalValue::WeakLinkage,tiInit,toChars(),gIR->module); |
| 72 | 766 |
| 767 llvmValue = gvar; | |
| 52 | 768 } |
| 769 | |
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770 /* ========================================================================= */ |
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771 |
| 52 | 772 void TypeInfoClassDeclaration::toDt(dt_t **pdt) |
| 773 { | |
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774 assert(0 && "TypeInfoClassDeclaration"); |
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775 |
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776 /* |
| 52 | 777 //printf("TypeInfoClassDeclaration::toDt() %s\n", tinfo->toChars()); |
| 778 dtxoff(pdt, Type::typeinfoclass->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoClass | |
| 779 dtdword(pdt, 0); // monitor | |
| 780 | |
| 781 assert(tinfo->ty == Tclass); | |
| 782 | |
| 783 TypeClass *tc = (TypeClass *)tinfo; | |
| 784 Symbol *s; | |
| 785 | |
| 786 if (!tc->sym->vclassinfo) | |
| 787 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 788 s = tc->sym->vclassinfo->toSymbol(); | |
| 789 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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790 */ |
| 52 | 791 } |
| 792 | |
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793 /* ========================================================================= */ |
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794 |
| 52 | 795 void TypeInfoInterfaceDeclaration::toDt(dt_t **pdt) |
| 796 { | |
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797 assert(0 && "TypeInfoInterfaceDeclaration"); |
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798 |
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799 /* |
| 52 | 800 //printf("TypeInfoInterfaceDeclaration::toDt() %s\n", tinfo->toChars()); |
| 801 dtxoff(pdt, Type::typeinfointerface->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 802 dtdword(pdt, 0); // monitor | |
| 803 | |
| 804 assert(tinfo->ty == Tclass); | |
| 805 | |
| 806 TypeClass *tc = (TypeClass *)tinfo; | |
| 807 Symbol *s; | |
| 808 | |
| 809 if (!tc->sym->vclassinfo) | |
| 810 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 811 s = tc->sym->vclassinfo->toSymbol(); | |
| 812 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
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813 */ |
| 52 | 814 } |
| 815 | |
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816 /* ========================================================================= */ |
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817 |
| 52 | 818 void TypeInfoTupleDeclaration::toDt(dt_t **pdt) |
| 819 { | |
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820 assert(0 && "TypeInfoTupleDeclaration"); |
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821 |
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822 /* |
| 52 | 823 //printf("TypeInfoTupleDeclaration::toDt() %s\n", tinfo->toChars()); |
| 824 dtxoff(pdt, Type::typeinfotypelist->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 825 dtdword(pdt, 0); // monitor | |
| 826 | |
| 827 assert(tinfo->ty == Ttuple); | |
| 828 | |
| 829 TypeTuple *tu = (TypeTuple *)tinfo; | |
| 830 | |
| 831 size_t dim = tu->arguments->dim; | |
| 832 dtdword(pdt, dim); // elements.length | |
| 833 | |
| 834 dt_t *d = NULL; | |
| 835 for (size_t i = 0; i < dim; i++) | |
| 836 { Argument *arg = (Argument *)tu->arguments->data[i]; | |
| 837 Expression *e = arg->type->getTypeInfo(NULL); | |
| 838 e = e->optimize(WANTvalue); | |
| 839 e->toDt(&d); | |
| 840 } | |
| 841 | |
| 842 Symbol *s; | |
| 843 s = static_sym(); | |
| 844 s->Sdt = d; | |
| 845 outdata(s); | |
| 846 | |
| 847 dtxoff(pdt, s, 0, TYnptr); // elements.ptr | |
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848 */ |
| 52 | 849 } |