Mercurial > projects > ldc
annotate gen/typinf.c @ 52:0c77619e803b trunk
[svn r56] Initial support for TypeInfo.
Enums not work.
Several other bugfixes.
| author | lindquist |
|---|---|
| date | Tue, 23 Oct 2007 05:55:12 +0200 |
| parents | e116aa1488e6 |
| children | 28e99b04a132 |
| 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" |
|
4
e116aa1488e6
[svn r8] changed backend includes to always use the gen/<foo>.h prefix
lindquist
parents:
1
diff
changeset
|
31 #include "gen/logger.h" |
| 52 | 32 #include "gen/runtime.h" |
| 1 | 33 |
| 34 /******************************************* | |
| 35 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 36 * runtime library routines. Canonicalized in that static arrays are | |
| 37 * represented as dynamic arrays, enums are represented by their | |
| 38 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 39 * so we can use the custom internal ones more. | |
| 40 */ | |
| 41 | |
| 42 Expression *Type::getInternalTypeInfo(Scope *sc) | |
| 43 { TypeInfoDeclaration *tid; | |
| 44 Expression *e; | |
| 45 Type *t; | |
| 46 static TypeInfoDeclaration *internalTI[TMAX]; | |
| 47 | |
| 48 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
| 49 t = toBasetype(); | |
| 50 switch (t->ty) | |
| 51 { | |
| 52 case Tsarray: | |
| 53 t = t->next->arrayOf(); // convert to corresponding dynamic array type | |
| 54 break; | |
| 55 | |
| 56 case Tclass: | |
| 57 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
| 58 break; | |
| 59 goto Linternal; | |
| 60 | |
| 61 case Tarray: | |
| 62 if (t->next->ty != Tclass) | |
| 63 break; | |
| 64 goto Linternal; | |
| 65 | |
| 66 case Tfunction: | |
| 67 case Tdelegate: | |
| 68 case Tpointer: | |
| 69 Linternal: | |
| 70 tid = internalTI[t->ty]; | |
| 71 if (!tid) | |
| 72 { tid = new TypeInfoDeclaration(t, 1); | |
| 73 internalTI[t->ty] = tid; | |
| 74 } | |
| 75 e = new VarExp(0, tid); | |
| 52 | 76 //e = e->addressOf(sc); |
| 1 | 77 e->type = tid->type; // do this so we don't get redundant dereference |
| 78 return e; | |
| 79 | |
| 80 default: | |
| 81 break; | |
| 82 } | |
| 83 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
| 84 return t->getTypeInfo(sc); | |
| 85 } | |
| 86 | |
| 87 | |
| 88 /**************************************************** | |
| 89 * Get the exact TypeInfo. | |
| 90 */ | |
| 91 | |
| 92 Expression *Type::getTypeInfo(Scope *sc) | |
| 93 { | |
| 94 Expression *e; | |
| 95 Type *t; | |
| 96 | |
| 97 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
| 98 t = merge(); // do this since not all Type's are merge'd | |
| 99 if (!t->vtinfo) | |
| 100 { t->vtinfo = t->getTypeInfoDeclaration(); | |
| 101 assert(t->vtinfo); | |
| 102 | |
| 103 /* If this has a custom implementation in std/typeinfo, then | |
| 104 * do not generate a COMDAT for it. | |
| 105 */ | |
| 106 if (!t->builtinTypeInfo()) | |
| 107 { // Generate COMDAT | |
| 108 if (sc) // if in semantic() pass | |
| 109 { // Find module that will go all the way to an object file | |
| 110 Module *m = sc->module->importedFrom; | |
| 111 m->members->push(t->vtinfo); | |
| 112 } | |
| 113 else // if in obj generation pass | |
| 114 { | |
| 115 t->vtinfo->toObjFile(); | |
| 116 } | |
| 117 } | |
| 118 } | |
| 119 e = new VarExp(0, t->vtinfo); | |
| 120 //e = e->addressOf(sc); | |
| 121 e->type = t->vtinfo->type; // do this so we don't get redundant dereference | |
| 122 return e; | |
| 123 } | |
| 124 | |
| 52 | 125 enum RET TypeFunction::retStyle() |
| 126 { | |
| 127 return RETstack; | |
| 128 } | |
| 1 | 129 |
| 130 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
| 131 { | |
| 132 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
| 133 return new TypeInfoDeclaration(this, 0); | |
| 134 } | |
| 135 | |
| 52 | 136 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
| 1 | 137 { |
| 52 | 138 return new TypeInfoTypedefDeclaration(this); |
| 1 | 139 } |
| 140 | |
| 52 | 141 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
| 142 { | |
| 143 return new TypeInfoPointerDeclaration(this); | |
| 144 } | |
| 1 | 145 |
| 146 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
| 147 { | |
| 148 return new TypeInfoArrayDeclaration(this); | |
| 149 } | |
| 150 | |
| 151 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
| 152 { | |
| 153 return new TypeInfoStaticArrayDeclaration(this); | |
| 154 } | |
| 155 | |
| 156 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
| 157 { | |
| 158 return new TypeInfoAssociativeArrayDeclaration(this); | |
| 159 } | |
| 160 | |
| 52 | 161 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
| 162 { | |
| 163 return new TypeInfoStructDeclaration(this); | |
| 164 } | |
| 1 | 165 |
| 166 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
| 167 { | |
| 168 if (sym->isInterfaceDeclaration()) | |
| 169 return new TypeInfoInterfaceDeclaration(this); | |
| 170 else | |
| 171 return new TypeInfoClassDeclaration(this); | |
| 172 } | |
| 173 | |
| 174 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
| 175 { | |
| 176 return new TypeInfoEnumDeclaration(this); | |
| 177 } | |
| 178 | |
| 179 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
| 180 { | |
| 181 return new TypeInfoFunctionDeclaration(this); | |
| 182 } | |
| 183 | |
| 184 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
| 185 { | |
| 186 return new TypeInfoDelegateDeclaration(this); | |
| 187 } | |
| 188 | |
| 189 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
| 190 { | |
| 191 return new TypeInfoTupleDeclaration(this); | |
| 192 } | |
| 193 | |
| 194 | |
| 195 /* ========================================================================= */ | |
| 196 | |
| 197 /* These decide if there's an instance for them already in std.typeinfo, | |
| 198 * because then the compiler doesn't need to build one. | |
| 199 */ | |
| 200 | |
| 201 int Type::builtinTypeInfo() | |
| 202 { | |
| 203 return 0; | |
| 204 } | |
| 205 | |
| 206 int TypeBasic::builtinTypeInfo() | |
| 207 { | |
| 208 return 1; | |
| 209 } | |
| 210 | |
| 211 int TypeDArray::builtinTypeInfo() | |
| 212 { | |
| 52 | 213 return next->isTypeBasic() != NULL; |
| 1 | 214 } |
| 215 | |
| 216 /* ========================================================================= */ | |
| 217 | |
| 218 /*************************************** | |
| 219 * Create a static array of TypeInfo references | |
| 220 * corresponding to an array of Expression's. | |
| 221 * Used to supply hidden _arguments[] value for variadic D functions. | |
| 222 */ | |
| 223 | |
| 224 Expression *createTypeInfoArray(Scope *sc, Expression *args[], int dim) | |
| 225 { | |
| 226 assert(0); | |
| 227 return 0; | |
| 228 } | |
| 229 | |
| 52 | 230 /* ========================================================================= */ |
| 231 | |
| 232 ////////////////////////////////////////////////////////////////////////////// | |
| 233 // MAGIC PLACE | |
| 234 ////////////////////////////////////////////////////////////////////////////// | |
| 235 | |
| 236 void TypeInfoDeclaration::toObjFile() | |
| 237 { | |
| 238 Logger::println("TypeInfoDeclaration::toObjFile()"); | |
| 239 LOG_SCOPE; | |
| 240 Logger::println("type = '%s'", tinfo->toChars()); | |
| 241 | |
| 242 if (llvmTouched) return; | |
| 243 else llvmTouched = true; | |
| 244 | |
| 245 Logger::println("Getting typeinfo var: %s", mangle()); | |
| 246 llvmValue = LLVM_D_GetRuntimeGlobal(gIR->module, mangle()); | |
| 247 assert(llvmValue); | |
| 248 Logger::cout() << "Got:" << '\n' << *llvmValue << '\n'; | |
| 249 } | |
| 250 | |
| 251 /* ========================================================================= */ | |
| 252 | |
| 253 void TypeInfoDeclaration::toDt(dt_t **pdt) | |
| 254 { | |
| 255 assert(0 && "TypeInfoDeclaration"); | |
| 256 } | |
| 257 | |
| 258 void TypeInfoTypedefDeclaration::toDt(dt_t **pdt) | |
| 259 { | |
| 260 assert(0 && "TypeInfoTypedefDeclaration"); | |
| 261 } | |
| 262 | |
| 263 void TypeInfoEnumDeclaration::toDt(dt_t **pdt) | |
| 264 { | |
| 265 assert(0 && "TypeInfoEnumDeclaration"); | |
| 266 } | |
| 267 | |
| 268 void TypeInfoPointerDeclaration::toDt(dt_t **pdt) | |
| 269 { | |
| 270 assert(0 && "TypeInfoPointerDeclaration"); | |
| 271 } | |
| 272 | |
| 273 void TypeInfoArrayDeclaration::toDt(dt_t **pdt) | |
| 274 { | |
| 275 assert(0 && "TypeInfoArrayDeclaration"); | |
| 276 } | |
| 277 | |
| 278 void TypeInfoStaticArrayDeclaration::toDt(dt_t **pdt) | |
| 279 { | |
| 280 assert(0 && "TypeInfoStaticArrayDeclaration"); | |
| 281 } | |
| 282 | |
| 283 void TypeInfoAssociativeArrayDeclaration::toDt(dt_t **pdt) | |
| 284 { | |
| 285 assert(0 && "TypeInfoAssociativeArrayDeclaration"); | |
| 286 } | |
| 287 | |
| 288 void TypeInfoFunctionDeclaration::toDt(dt_t **pdt) | |
| 289 { | |
| 290 assert(0 && "TypeInfoFunctionDeclaration"); | |
| 291 } | |
| 292 | |
| 293 void TypeInfoDelegateDeclaration::toDt(dt_t **pdt) | |
| 294 { | |
| 295 assert(0 && "TypeInfoDelegateDeclaration"); | |
| 296 } | |
| 297 | |
| 298 void TypeInfoStructDeclaration::toDt(dt_t **pdt) | |
| 299 { | |
| 300 assert(0 && "TypeInfoStructDeclaration"); | |
| 301 } | |
| 302 | |
| 303 void TypeInfoClassDeclaration::toDt(dt_t **pdt) | |
| 304 { | |
| 305 assert(0 && "TypeInfoClassDeclaration"); | |
| 306 } | |
| 307 | |
| 308 void TypeInfoInterfaceDeclaration::toDt(dt_t **pdt) | |
| 309 { | |
| 310 assert(0 && "TypeInfoInterfaceDeclaration"); | |
| 311 } | |
| 312 | |
| 313 void TypeInfoTupleDeclaration::toDt(dt_t **pdt) | |
| 314 { | |
| 315 assert(0 && "TypeInfoTupleDeclaration"); | |
| 316 } | |
| 317 | |
| 318 // original dmdfe toDt code for reference | |
| 319 | |
| 320 #if 0 | |
| 321 | |
| 322 void TypeInfoDeclaration::toDt(dt_t **pdt) | |
| 323 { | |
| 324 //printf("TypeInfoDeclaration::toDt() %s\n", toChars()); | |
| 325 dtxoff(pdt, Type::typeinfo->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo | |
| 326 dtdword(pdt, 0); // monitor | |
| 327 } | |
| 328 | |
| 329 void TypeInfoTypedefDeclaration::toDt(dt_t **pdt) | |
| 330 { | |
| 331 //printf("TypeInfoTypedefDeclaration::toDt() %s\n", toChars()); | |
| 332 | |
| 333 dtxoff(pdt, Type::typeinfotypedef->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Typedef | |
| 334 dtdword(pdt, 0); // monitor | |
| 335 | |
| 336 assert(tinfo->ty == Ttypedef); | |
| 337 | |
| 338 TypeTypedef *tc = (TypeTypedef *)tinfo; | |
| 339 TypedefDeclaration *sd = tc->sym; | |
| 340 //printf("basetype = %s\n", sd->basetype->toChars()); | |
| 341 | |
| 342 /* Put out: | |
| 343 * TypeInfo base; | |
| 344 * char[] name; | |
| 345 * void[] m_init; | |
| 346 */ | |
| 347 | |
| 348 sd->basetype = sd->basetype->merge(); | |
| 349 sd->basetype->getTypeInfo(NULL); // generate vtinfo | |
| 350 assert(sd->basetype->vtinfo); | |
| 351 dtxoff(pdt, sd->basetype->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for basetype | |
| 352 | |
| 353 char *name = sd->toPrettyChars(); | |
| 354 size_t namelen = strlen(name); | |
| 355 dtdword(pdt, namelen); | |
| 356 dtabytes(pdt, TYnptr, 0, namelen + 1, name); | |
| 357 | |
| 358 // void[] init; | |
| 359 if (tinfo->isZeroInit() || !sd->init) | |
| 360 { // 0 initializer, or the same as the base type | |
| 361 dtdword(pdt, 0); // init.length | |
| 362 dtdword(pdt, 0); // init.ptr | |
| 363 } | |
| 364 else | |
| 365 { | |
| 366 dtdword(pdt, sd->type->size()); // init.length | |
| 367 dtxoff(pdt, sd->toInitializer(), 0, TYnptr); // init.ptr | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 void TypeInfoEnumDeclaration::toDt(dt_t **pdt) | |
| 372 { | |
| 373 //printf("TypeInfoEnumDeclaration::toDt()\n"); | |
| 374 dtxoff(pdt, Type::typeinfoenum->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Enum | |
| 375 dtdword(pdt, 0); // monitor | |
| 376 | |
| 377 assert(tinfo->ty == Tenum); | |
| 378 | |
| 379 TypeEnum *tc = (TypeEnum *)tinfo; | |
| 380 EnumDeclaration *sd = tc->sym; | |
| 381 | |
| 382 /* Put out: | |
| 383 * TypeInfo base; | |
| 384 * char[] name; | |
| 385 * void[] m_init; | |
| 386 */ | |
| 387 | |
| 388 sd->memtype->getTypeInfo(NULL); | |
| 389 dtxoff(pdt, sd->memtype->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for enum members | |
| 390 | |
| 391 char *name = sd->toPrettyChars(); | |
| 392 size_t namelen = strlen(name); | |
| 393 dtdword(pdt, namelen); | |
| 394 dtabytes(pdt, TYnptr, 0, namelen + 1, name); | |
| 395 | |
| 396 // void[] init; | |
| 397 if (tinfo->isZeroInit() || !sd->defaultval) | |
| 398 { // 0 initializer, or the same as the base type | |
| 399 dtdword(pdt, 0); // init.length | |
| 400 dtdword(pdt, 0); // init.ptr | |
| 401 } | |
| 402 else | |
| 403 { | |
| 404 dtdword(pdt, sd->type->size()); // init.length | |
| 405 dtxoff(pdt, sd->toInitializer(), 0, TYnptr); // init.ptr | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 void TypeInfoPointerDeclaration::toDt(dt_t **pdt) | |
| 410 { | |
| 411 //printf("TypeInfoPointerDeclaration::toDt()\n"); | |
| 412 dtxoff(pdt, Type::typeinfopointer->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Pointer | |
| 413 dtdword(pdt, 0); // monitor | |
| 414 | |
| 415 assert(tinfo->ty == Tpointer); | |
| 416 | |
| 417 TypePointer *tc = (TypePointer *)tinfo; | |
| 418 | |
| 419 tc->next->getTypeInfo(NULL); | |
| 420 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for type being pointed to | |
| 421 } | |
| 422 | |
| 423 void TypeInfoArrayDeclaration::toDt(dt_t **pdt) | |
| 424 { | |
| 425 //printf("TypeInfoArrayDeclaration::toDt()\n"); | |
| 426 dtxoff(pdt, Type::typeinfoarray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Array | |
| 427 dtdword(pdt, 0); // monitor | |
| 428 | |
| 429 assert(tinfo->ty == Tarray); | |
| 430 | |
| 431 TypeDArray *tc = (TypeDArray *)tinfo; | |
| 432 | |
| 433 tc->next->getTypeInfo(NULL); | |
| 434 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 435 } | |
| 436 | |
| 437 void TypeInfoStaticArrayDeclaration::toDt(dt_t **pdt) | |
| 438 { | |
| 439 //printf("TypeInfoStaticArrayDeclaration::toDt()\n"); | |
| 440 dtxoff(pdt, Type::typeinfostaticarray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_StaticArray | |
| 441 dtdword(pdt, 0); // monitor | |
| 442 | |
| 443 assert(tinfo->ty == Tsarray); | |
| 444 | |
| 445 TypeSArray *tc = (TypeSArray *)tinfo; | |
| 446 | |
| 447 tc->next->getTypeInfo(NULL); | |
| 448 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 449 | |
| 450 dtdword(pdt, tc->dim->toInteger()); // length | |
| 451 } | |
| 452 | |
| 453 void TypeInfoAssociativeArrayDeclaration::toDt(dt_t **pdt) | |
| 454 { | |
| 455 //printf("TypeInfoAssociativeArrayDeclaration::toDt()\n"); | |
| 456 dtxoff(pdt, Type::typeinfoassociativearray->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_AssociativeArray | |
| 457 dtdword(pdt, 0); // monitor | |
| 458 | |
| 459 assert(tinfo->ty == Taarray); | |
| 460 | |
| 461 TypeAArray *tc = (TypeAArray *)tinfo; | |
| 462 | |
| 463 tc->next->getTypeInfo(NULL); | |
| 464 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 465 | |
| 466 tc->index->getTypeInfo(NULL); | |
| 467 dtxoff(pdt, tc->index->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for array of type | |
| 468 } | |
| 469 | |
| 470 void TypeInfoFunctionDeclaration::toDt(dt_t **pdt) | |
| 471 { | |
| 472 //printf("TypeInfoFunctionDeclaration::toDt()\n"); | |
| 473 dtxoff(pdt, Type::typeinfofunction->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Function | |
| 474 dtdword(pdt, 0); // monitor | |
| 475 | |
| 476 assert(tinfo->ty == Tfunction); | |
| 477 | |
| 478 TypeFunction *tc = (TypeFunction *)tinfo; | |
| 479 | |
| 480 tc->next->getTypeInfo(NULL); | |
| 481 dtxoff(pdt, tc->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for function return value | |
| 482 } | |
| 483 | |
| 484 void TypeInfoDelegateDeclaration::toDt(dt_t **pdt) | |
| 485 { | |
| 486 //printf("TypeInfoDelegateDeclaration::toDt()\n"); | |
| 487 dtxoff(pdt, Type::typeinfodelegate->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Delegate | |
| 488 dtdword(pdt, 0); // monitor | |
| 489 | |
| 490 assert(tinfo->ty == Tdelegate); | |
| 491 | |
| 492 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
| 493 | |
| 494 tc->next->next->getTypeInfo(NULL); | |
| 495 dtxoff(pdt, tc->next->next->vtinfo->toSymbol(), 0, TYnptr); // TypeInfo for delegate return value | |
| 496 } | |
| 497 | |
| 498 void TypeInfoStructDeclaration::toDt(dt_t **pdt) | |
| 499 { | |
| 500 //printf("TypeInfoStructDeclaration::toDt() '%s'\n", toChars()); | |
| 501 | |
| 502 unsigned offset = Type::typeinfostruct->structsize; | |
| 503 | |
| 504 dtxoff(pdt, Type::typeinfostruct->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Struct | |
| 505 dtdword(pdt, 0); // monitor | |
| 506 | |
| 507 assert(tinfo->ty == Tstruct); | |
| 508 | |
| 509 TypeStruct *tc = (TypeStruct *)tinfo; | |
| 510 StructDeclaration *sd = tc->sym; | |
| 511 | |
| 512 /* Put out: | |
| 513 * char[] name; | |
| 514 * void[] init; | |
| 515 * hash_t function(void*) xtoHash; | |
| 516 * int function(void*,void*) xopEquals; | |
| 517 * int function(void*,void*) xopCmp; | |
| 518 * char[] function(void*) xtoString; | |
| 519 * uint m_flags; | |
| 520 * | |
| 521 * name[] | |
| 522 */ | |
| 523 | |
| 524 char *name = sd->toPrettyChars(); | |
| 525 size_t namelen = strlen(name); | |
| 526 dtdword(pdt, namelen); | |
| 527 //dtabytes(pdt, TYnptr, 0, namelen + 1, name); | |
| 528 dtxoff(pdt, toSymbol(), offset, TYnptr); | |
| 529 offset += namelen + 1; | |
| 530 | |
| 531 // void[] init; | |
| 532 dtdword(pdt, sd->structsize); // init.length | |
| 533 if (sd->zeroInit) | |
| 534 dtdword(pdt, 0); // NULL for 0 initialization | |
| 535 else | |
| 536 dtxoff(pdt, sd->toInitializer(), 0, TYnptr); // init.ptr | |
| 537 | |
| 538 FuncDeclaration *fd; | |
| 539 FuncDeclaration *fdx; | |
| 540 TypeFunction *tf; | |
| 541 Type *ta; | |
| 542 Dsymbol *s; | |
| 543 | |
| 544 static TypeFunction *tftohash; | |
| 545 static TypeFunction *tftostring; | |
| 546 | |
| 547 if (!tftohash) | |
| 548 { | |
| 549 Scope sc; | |
| 550 | |
| 551 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
| 552 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
| 553 | |
| 554 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
| 555 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
| 556 } | |
| 557 | |
| 558 TypeFunction *tfeqptr; | |
| 559 { | |
| 560 Scope sc; | |
| 561 Arguments *arguments = new Arguments; | |
| 562 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
| 563 | |
| 564 arguments->push(arg); | |
| 565 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 566 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
| 567 } | |
| 568 | |
| 569 #if 0 | |
| 570 TypeFunction *tfeq; | |
| 571 { | |
| 572 Scope sc; | |
| 573 Array *arguments = new Array; | |
| 574 Argument *arg = new Argument(In, tc, NULL, NULL); | |
| 575 | |
| 576 arguments->push(arg); | |
| 577 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
| 578 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
| 579 } | |
| 580 #endif | |
| 581 | |
| 582 s = search_function(sd, Id::tohash); | |
| 583 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 584 if (fdx) | |
| 585 { fd = fdx->overloadExactMatch(tftohash); | |
| 586 if (fd) | |
| 587 dtxoff(pdt, fd->toSymbol(), 0, TYnptr); | |
| 588 else | |
| 589 //fdx->error("must be declared as extern (D) uint toHash()"); | |
| 590 dtdword(pdt, 0); | |
| 591 } | |
| 592 else | |
| 593 dtdword(pdt, 0); | |
| 594 | |
| 595 s = search_function(sd, Id::eq); | |
| 596 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 597 for (int i = 0; i < 2; i++) | |
| 598 { | |
| 599 if (fdx) | |
| 600 { fd = fdx->overloadExactMatch(tfeqptr); | |
| 601 if (fd) | |
| 602 dtxoff(pdt, fd->toSymbol(), 0, TYnptr); | |
| 603 else | |
| 604 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
| 605 dtdword(pdt, 0); | |
| 606 } | |
| 607 else | |
| 608 dtdword(pdt, 0); | |
| 609 | |
| 610 s = search_function(sd, Id::cmp); | |
| 611 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 612 } | |
| 613 | |
| 614 s = search_function(sd, Id::tostring); | |
| 615 fdx = s ? s->isFuncDeclaration() : NULL; | |
| 616 if (fdx) | |
| 617 { fd = fdx->overloadExactMatch(tftostring); | |
| 618 if (fd) | |
| 619 dtxoff(pdt, fd->toSymbol(), 0, TYnptr); | |
| 620 else | |
| 621 //fdx->error("must be declared as extern (D) char[] toString()"); | |
| 622 dtdword(pdt, 0); | |
| 623 } | |
| 624 else | |
| 625 dtdword(pdt, 0); | |
| 626 | |
| 627 // uint m_flags; | |
| 628 dtdword(pdt, tc->hasPointers()); | |
| 629 | |
| 630 // name[] | |
| 631 dtnbytes(pdt, namelen + 1, name); | |
| 632 } | |
| 633 | |
| 634 void TypeInfoClassDeclaration::toDt(dt_t **pdt) | |
| 635 { | |
| 636 //printf("TypeInfoClassDeclaration::toDt() %s\n", tinfo->toChars()); | |
| 637 dtxoff(pdt, Type::typeinfoclass->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoClass | |
| 638 dtdword(pdt, 0); // monitor | |
| 639 | |
| 640 assert(tinfo->ty == Tclass); | |
| 641 | |
| 642 TypeClass *tc = (TypeClass *)tinfo; | |
| 643 Symbol *s; | |
| 644 | |
| 645 if (!tc->sym->vclassinfo) | |
| 646 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 647 s = tc->sym->vclassinfo->toSymbol(); | |
| 648 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
| 649 } | |
| 650 | |
| 651 void TypeInfoInterfaceDeclaration::toDt(dt_t **pdt) | |
| 652 { | |
| 653 //printf("TypeInfoInterfaceDeclaration::toDt() %s\n", tinfo->toChars()); | |
| 654 dtxoff(pdt, Type::typeinfointerface->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 655 dtdword(pdt, 0); // monitor | |
| 656 | |
| 657 assert(tinfo->ty == Tclass); | |
| 658 | |
| 659 TypeClass *tc = (TypeClass *)tinfo; | |
| 660 Symbol *s; | |
| 661 | |
| 662 if (!tc->sym->vclassinfo) | |
| 663 tc->sym->vclassinfo = new ClassInfoDeclaration(tc->sym); | |
| 664 s = tc->sym->vclassinfo->toSymbol(); | |
| 665 dtxoff(pdt, s, 0, TYnptr); // ClassInfo for tinfo | |
| 666 } | |
| 667 | |
| 668 void TypeInfoTupleDeclaration::toDt(dt_t **pdt) | |
| 669 { | |
| 670 //printf("TypeInfoTupleDeclaration::toDt() %s\n", tinfo->toChars()); | |
| 671 dtxoff(pdt, Type::typeinfotypelist->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfoInterface | |
| 672 dtdword(pdt, 0); // monitor | |
| 673 | |
| 674 assert(tinfo->ty == Ttuple); | |
| 675 | |
| 676 TypeTuple *tu = (TypeTuple *)tinfo; | |
| 677 | |
| 678 size_t dim = tu->arguments->dim; | |
| 679 dtdword(pdt, dim); // elements.length | |
| 680 | |
| 681 dt_t *d = NULL; | |
| 682 for (size_t i = 0; i < dim; i++) | |
| 683 { Argument *arg = (Argument *)tu->arguments->data[i]; | |
| 684 Expression *e = arg->type->getTypeInfo(NULL); | |
| 685 e = e->optimize(WANTvalue); | |
| 686 e->toDt(&d); | |
| 687 } | |
| 688 | |
| 689 Symbol *s; | |
| 690 s = static_sym(); | |
| 691 s->Sdt = d; | |
| 692 outdata(s); | |
| 693 | |
| 694 dtxoff(pdt, s, 0, TYnptr); // elements.ptr | |
| 695 } | |
| 696 | |
| 697 void TypeInfoDeclaration::toObjFile() | |
| 698 { | |
| 699 Symbol *s; | |
| 700 unsigned sz; | |
| 701 Dsymbol *parent; | |
| 702 | |
| 703 //printf("TypeInfoDeclaration::toObjFile(%p '%s') protection %d\n", this, toChars(), protection); | |
| 704 | |
| 705 s = toSymbol(); | |
| 706 sz = type->size(); | |
| 707 | |
| 708 parent = this->toParent(); | |
| 709 s->Sclass = SCcomdat; | |
| 710 s->Sfl = FLdata; | |
| 711 | |
| 712 toDt(&s->Sdt); | |
| 713 | |
| 714 dt_optimize(s->Sdt); | |
| 715 | |
| 716 // See if we can convert a comdat to a comdef, | |
| 717 // which saves on exe file space. | |
| 718 if (s->Sclass == SCcomdat && | |
| 719 s->Sdt->dt == DT_azeros && | |
| 720 s->Sdt->DTnext == NULL) | |
| 721 { | |
| 722 s->Sclass = SCglobal; | |
| 723 s->Sdt->dt = DT_common; | |
| 724 } | |
| 725 | |
| 726 #if ELFOBJ // Burton | |
| 727 if (s->Sdt && s->Sdt->dt == DT_azeros && s->Sdt->DTnext == NULL) | |
| 728 s->Sseg = UDATA; | |
| 729 else | |
| 730 s->Sseg = DATA; | |
| 731 #endif /* ELFOBJ */ | |
| 732 outdata(s); | |
| 733 if (isExport()) | |
| 734 obj_export(s,0); | |
| 735 } | |
| 736 | |
| 737 #endif |