Mercurial > projects > ldc
annotate dmd/declaration.c @ 1147:dbe4af57b240
Changed use of toObjFile to a new codegen method.
More versioning of DMD specific codegen code.
| author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
|---|---|
| date | Fri, 27 Mar 2009 17:54:27 +0100 |
| parents | 1860414bf3b7 |
| children | e961851fb8be |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 336 | 3 // Copyright (c) 1999-2008 by Digital Mars |
| 159 | 4 // All Rights Reserved |
| 5 // written by Walter Bright | |
| 6 // http://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 <stdio.h> | |
| 12 #include <assert.h> | |
| 13 | |
| 14 #include "init.h" | |
| 15 #include "declaration.h" | |
| 16 #include "attrib.h" | |
| 17 #include "mtype.h" | |
| 18 #include "template.h" | |
| 19 #include "scope.h" | |
| 20 #include "aggregate.h" | |
| 21 #include "module.h" | |
| 22 #include "id.h" | |
| 23 #include "expression.h" | |
| 24 #include "hdrgen.h" | |
| 25 | |
| 26 /********************************* Declaration ****************************/ | |
| 27 | |
| 28 Declaration::Declaration(Identifier *id) | |
| 29 : Dsymbol(id) | |
| 30 { | |
| 31 type = NULL; | |
| 32 originalType = NULL; | |
| 33 storage_class = STCundefined; | |
| 34 protection = PROTundefined; | |
| 35 linkage = LINKdefault; | |
| 36 } | |
| 37 | |
| 38 void Declaration::semantic(Scope *sc) | |
| 39 { | |
| 40 } | |
| 41 | |
| 336 | 42 const char *Declaration::kind() |
| 159 | 43 { |
| 44 return "declaration"; | |
| 45 } | |
| 46 | |
| 47 unsigned Declaration::size(Loc loc) | |
| 48 { | |
| 49 assert(type); | |
| 50 return type->size(); | |
| 51 } | |
| 52 | |
| 53 int Declaration::isStaticConstructor() | |
| 54 { | |
| 55 return FALSE; | |
| 56 } | |
| 57 | |
| 58 int Declaration::isStaticDestructor() | |
| 59 { | |
| 60 return FALSE; | |
| 61 } | |
| 62 | |
| 63 int Declaration::isDelete() | |
| 64 { | |
| 65 return FALSE; | |
| 66 } | |
| 67 | |
| 68 int Declaration::isDataseg() | |
| 69 { | |
| 70 return FALSE; | |
| 71 } | |
| 72 | |
| 73 int Declaration::isCodeseg() | |
| 74 { | |
| 75 return FALSE; | |
| 76 } | |
| 77 | |
| 78 enum PROT Declaration::prot() | |
| 79 { | |
| 80 return protection; | |
| 81 } | |
| 82 | |
| 336 | 83 /************************************* |
| 84 * Check to see if declaration can be modified in this context (sc). | |
| 85 * Issue error if not. | |
| 86 */ | |
| 87 | |
| 88 #if DMDV2 | |
| 89 void Declaration::checkModify(Loc loc, Scope *sc, Type *t) | |
| 90 { | |
| 91 if (sc->incontract && isParameter()) | |
| 92 error(loc, "cannot modify parameter '%s' in contract", toChars()); | |
| 93 | |
| 94 if (isCtorinit()) | |
| 95 { // It's only modifiable if inside the right constructor | |
| 96 Dsymbol *s = sc->func; | |
| 97 while (1) | |
| 98 { | |
| 99 FuncDeclaration *fd = NULL; | |
| 100 if (s) | |
| 101 fd = s->isFuncDeclaration(); | |
| 102 if (fd && | |
| 103 ((fd->isCtorDeclaration() && storage_class & STCfield) || | |
| 104 (fd->isStaticCtorDeclaration() && !(storage_class & STCfield))) && | |
| 105 fd->toParent() == toParent() | |
| 106 ) | |
| 107 { | |
| 108 VarDeclaration *v = isVarDeclaration(); | |
| 109 assert(v); | |
| 110 v->ctorinit = 1; | |
| 111 //printf("setting ctorinit\n"); | |
| 112 } | |
| 113 else | |
| 114 { | |
| 115 if (s) | |
| 116 { s = s->toParent2(); | |
| 117 continue; | |
| 118 } | |
| 119 else | |
| 120 { | |
| 121 const char *p = isStatic() ? "static " : ""; | |
| 122 error(loc, "can only initialize %sconst %s inside %sconstructor", | |
| 123 p, toChars(), p); | |
| 124 } | |
| 125 } | |
| 126 break; | |
| 127 } | |
| 128 } | |
| 129 else | |
| 130 { | |
| 131 VarDeclaration *v = isVarDeclaration(); | |
| 132 if (v && v->canassign == 0) | |
| 133 { | |
| 134 char *p = NULL; | |
| 135 if (isConst()) | |
| 136 p = "const"; | |
| 137 else if (isInvariant()) | |
| 138 p = "invariant"; | |
| 139 else if (storage_class & STCmanifest) | |
| 140 p = "manifest constant"; | |
| 141 else if (!t->isAssignable()) | |
| 142 p = "struct with immutable members"; | |
| 143 if (p) | |
| 144 { error(loc, "cannot modify %s", p); | |
| 145 halt(); | |
| 146 } | |
| 147 } | |
| 148 } | |
| 149 } | |
| 150 #endif | |
| 151 | |
| 152 | |
| 159 | 153 /********************************* TupleDeclaration ****************************/ |
| 154 | |
| 155 TupleDeclaration::TupleDeclaration(Loc loc, Identifier *id, Objects *objects) | |
| 156 : Declaration(id) | |
| 157 { | |
| 158 this->type = NULL; | |
| 159 this->objects = objects; | |
| 160 this->isexp = 0; | |
| 161 this->tupletype = NULL; | |
| 162 } | |
| 163 | |
| 164 Dsymbol *TupleDeclaration::syntaxCopy(Dsymbol *s) | |
| 165 { | |
| 166 assert(0); | |
| 167 return NULL; | |
| 168 } | |
| 169 | |
| 336 | 170 const char *TupleDeclaration::kind() |
| 159 | 171 { |
| 172 return "tuple"; | |
| 173 } | |
| 174 | |
| 175 Type *TupleDeclaration::getType() | |
| 176 { | |
| 177 /* If this tuple represents a type, return that type | |
| 178 */ | |
| 179 | |
| 180 //printf("TupleDeclaration::getType() %s\n", toChars()); | |
| 181 if (isexp) | |
| 182 return NULL; | |
| 183 if (!tupletype) | |
| 184 { | |
| 185 /* It's only a type tuple if all the Object's are types | |
| 186 */ | |
| 187 for (size_t i = 0; i < objects->dim; i++) | |
| 188 { Object *o = (Object *)objects->data[i]; | |
| 189 | |
| 190 if (o->dyncast() != DYNCAST_TYPE) | |
| 191 { | |
| 192 //printf("\tnot[%d], %p, %d\n", i, o, o->dyncast()); | |
| 193 return NULL; | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 /* We know it's a type tuple, so build the TypeTuple | |
| 198 */ | |
| 199 Arguments *args = new Arguments(); | |
| 200 args->setDim(objects->dim); | |
| 201 OutBuffer buf; | |
| 202 for (size_t i = 0; i < objects->dim; i++) | |
| 203 { Type *t = (Type *)objects->data[i]; | |
| 204 | |
| 205 //printf("type = %s\n", t->toChars()); | |
| 206 #if 0 | |
| 207 buf.printf("_%s_%d", ident->toChars(), i); | |
| 208 char *name = (char *)buf.extractData(); | |
| 209 Identifier *id = new Identifier(name, TOKidentifier); | |
| 210 Argument *arg = new Argument(STCin, t, id, NULL); | |
| 211 #else | |
| 212 Argument *arg = new Argument(STCin, t, NULL, NULL); | |
| 213 #endif | |
| 214 args->data[i] = (void *)arg; | |
| 215 } | |
| 216 | |
| 217 tupletype = new TypeTuple(args); | |
| 218 } | |
| 219 | |
| 220 return tupletype; | |
| 221 } | |
| 222 | |
| 223 int TupleDeclaration::needThis() | |
| 224 { | |
| 225 //printf("TupleDeclaration::needThis(%s)\n", toChars()); | |
| 226 for (size_t i = 0; i < objects->dim; i++) | |
| 227 { Object *o = (Object *)objects->data[i]; | |
| 228 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 229 { Expression *e = (Expression *)o; | |
| 230 if (e->op == TOKdsymbol) | |
| 231 { DsymbolExp *ve = (DsymbolExp *)e; | |
| 232 Declaration *d = ve->s->isDeclaration(); | |
| 233 if (d && d->needThis()) | |
| 234 { | |
| 235 return 1; | |
| 236 } | |
| 237 } | |
| 238 } | |
| 239 } | |
| 240 return 0; | |
| 241 } | |
| 242 | |
| 243 /********************************* TypedefDeclaration ****************************/ | |
| 244 | |
| 245 TypedefDeclaration::TypedefDeclaration(Loc loc, Identifier *id, Type *basetype, Initializer *init) | |
| 246 : Declaration(id) | |
| 247 { | |
| 248 this->type = new TypeTypedef(this); | |
| 249 this->basetype = basetype->toBasetype(); | |
| 250 this->init = init; | |
| 251 #ifdef _DH | |
| 252 this->htype = NULL; | |
| 253 this->hbasetype = NULL; | |
| 254 #endif | |
| 255 this->sem = 0; | |
| 256 this->inuse = 0; | |
| 257 this->loc = loc; | |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1132
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changeset
|
258 #if IN_DMD |
| 159 | 259 this->sinit = NULL; |
|
1146
1860414bf3b7
* Moved ir/irsymbol.cpp/h into ir/irdsymbol.cpp/h.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
1132
diff
changeset
|
260 #endif |
| 159 | 261 } |
| 262 | |
| 263 Dsymbol *TypedefDeclaration::syntaxCopy(Dsymbol *s) | |
| 264 { | |
| 265 Type *basetype = this->basetype->syntaxCopy(); | |
| 266 | |
| 267 Initializer *init = NULL; | |
| 268 if (this->init) | |
| 269 init = this->init->syntaxCopy(); | |
| 270 | |
| 271 assert(!s); | |
| 272 TypedefDeclaration *st; | |
| 273 st = new TypedefDeclaration(loc, ident, basetype, init); | |
| 274 #ifdef _DH | |
| 275 // Syntax copy for header file | |
| 276 if (!htype) // Don't overwrite original | |
| 277 { if (type) // Make copy for both old and new instances | |
| 278 { htype = type->syntaxCopy(); | |
| 279 st->htype = type->syntaxCopy(); | |
| 280 } | |
| 281 } | |
| 282 else // Make copy of original for new instance | |
| 283 st->htype = htype->syntaxCopy(); | |
| 284 if (!hbasetype) | |
| 285 { if (basetype) | |
| 286 { hbasetype = basetype->syntaxCopy(); | |
| 287 st->hbasetype = basetype->syntaxCopy(); | |
| 288 } | |
| 289 } | |
| 290 else | |
| 291 st->hbasetype = hbasetype->syntaxCopy(); | |
| 292 #endif | |
| 293 return st; | |
| 294 } | |
| 295 | |
| 296 void TypedefDeclaration::semantic(Scope *sc) | |
| 297 { | |
| 298 //printf("TypedefDeclaration::semantic(%s) sem = %d\n", toChars(), sem); | |
| 299 if (sem == 0) | |
| 300 { sem = 1; | |
| 301 basetype = basetype->semantic(loc, sc); | |
| 302 sem = 2; | |
| 303 type = type->semantic(loc, sc); | |
| 304 if (sc->parent->isFuncDeclaration() && init) | |
| 305 semantic2(sc); | |
| 336 | 306 storage_class |= sc->stc & STCdeprecated; |
| 159 | 307 } |
| 308 else if (sem == 1) | |
| 309 { | |
| 310 error("circular definition"); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 void TypedefDeclaration::semantic2(Scope *sc) | |
| 315 { | |
| 316 //printf("TypedefDeclaration::semantic2(%s) sem = %d\n", toChars(), sem); | |
| 317 if (sem == 2) | |
| 318 { sem = 3; | |
| 319 if (init) | |
| 320 { | |
| 321 init = init->semantic(sc, basetype); | |
| 322 | |
| 323 ExpInitializer *ie = init->isExpInitializer(); | |
| 324 if (ie) | |
| 325 { | |
| 326 if (ie->exp->type == basetype) | |
| 327 ie->exp->type = type; | |
| 328 } | |
| 329 } | |
| 330 } | |
| 331 } | |
| 332 | |
| 336 | 333 const char *TypedefDeclaration::kind() |
| 159 | 334 { |
| 335 return "typedef"; | |
| 336 } | |
| 337 | |
| 338 Type *TypedefDeclaration::getType() | |
| 339 { | |
| 340 return type; | |
| 341 } | |
| 342 | |
| 343 void TypedefDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 344 { | |
| 345 buf->writestring("typedef "); | |
| 346 basetype->toCBuffer(buf, ident, hgs); | |
| 347 if (init) | |
| 348 { | |
| 349 buf->writestring(" = "); | |
| 350 init->toCBuffer(buf, hgs); | |
| 351 } | |
| 352 buf->writeByte(';'); | |
| 353 buf->writenl(); | |
| 354 } | |
| 355 | |
| 356 /********************************* AliasDeclaration ****************************/ | |
| 357 | |
| 358 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Type *type) | |
| 359 : Declaration(id) | |
| 360 { | |
| 361 //printf("AliasDeclaration(id = '%s', type = %p)\n", id->toChars(), type); | |
| 362 //printf("type = '%s'\n", type->toChars()); | |
| 363 this->loc = loc; | |
| 364 this->type = type; | |
| 365 this->aliassym = NULL; | |
| 366 #ifdef _DH | |
| 367 this->htype = NULL; | |
| 368 this->haliassym = NULL; | |
| 369 #endif | |
| 370 this->overnext = NULL; | |
| 371 this->inSemantic = 0; | |
| 372 assert(type); | |
| 373 } | |
| 374 | |
| 375 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Dsymbol *s) | |
| 376 : Declaration(id) | |
| 377 { | |
| 378 //printf("AliasDeclaration(id = '%s', s = %p)\n", id->toChars(), s); | |
| 379 assert(s != this); | |
| 380 this->loc = loc; | |
| 381 this->type = NULL; | |
| 382 this->aliassym = s; | |
| 383 #ifdef _DH | |
| 384 this->htype = NULL; | |
| 385 this->haliassym = NULL; | |
| 386 #endif | |
| 387 this->overnext = NULL; | |
| 388 this->inSemantic = 0; | |
| 389 assert(s); | |
| 390 } | |
| 391 | |
| 392 Dsymbol *AliasDeclaration::syntaxCopy(Dsymbol *s) | |
| 393 { | |
| 336 | 394 //printf("AliasDeclaration::syntaxCopy()\n"); |
| 159 | 395 assert(!s); |
| 396 AliasDeclaration *sa; | |
| 397 if (type) | |
| 398 sa = new AliasDeclaration(loc, ident, type->syntaxCopy()); | |
| 399 else | |
| 400 sa = new AliasDeclaration(loc, ident, aliassym->syntaxCopy(NULL)); | |
| 401 #ifdef _DH | |
| 402 // Syntax copy for header file | |
| 403 if (!htype) // Don't overwrite original | |
| 404 { if (type) // Make copy for both old and new instances | |
| 405 { htype = type->syntaxCopy(); | |
| 406 sa->htype = type->syntaxCopy(); | |
| 407 } | |
| 408 } | |
| 409 else // Make copy of original for new instance | |
| 410 sa->htype = htype->syntaxCopy(); | |
| 411 if (!haliassym) | |
| 412 { if (aliassym) | |
| 413 { haliassym = aliassym->syntaxCopy(s); | |
| 414 sa->haliassym = aliassym->syntaxCopy(s); | |
| 415 } | |
| 416 } | |
| 417 else | |
| 418 sa->haliassym = haliassym->syntaxCopy(s); | |
| 419 #endif | |
| 420 return sa; | |
| 421 } | |
| 422 | |
| 423 void AliasDeclaration::semantic(Scope *sc) | |
| 424 { | |
| 425 //printf("AliasDeclaration::semantic() %s\n", toChars()); | |
| 426 if (aliassym) | |
| 427 { | |
| 428 if (aliassym->isTemplateInstance()) | |
| 429 aliassym->semantic(sc); | |
| 430 return; | |
| 431 } | |
| 432 this->inSemantic = 1; | |
| 433 | |
| 434 if (storage_class & STCconst) | |
| 435 error("cannot be const"); | |
| 436 | |
| 437 storage_class |= sc->stc & STCdeprecated; | |
| 438 | |
| 439 // Given: | |
| 440 // alias foo.bar.abc def; | |
| 441 // it is not knowable from the syntax whether this is an alias | |
| 442 // for a type or an alias for a symbol. It is up to the semantic() | |
| 443 // pass to distinguish. | |
| 444 // If it is a type, then type is set and getType() will return that | |
| 445 // type. If it is a symbol, then aliassym is set and type is NULL - | |
| 446 // toAlias() will return aliasssym. | |
| 447 | |
| 448 Dsymbol *s; | |
| 449 Type *t; | |
| 450 Expression *e; | |
| 451 | |
| 452 /* This section is needed because resolve() will: | |
| 453 * const x = 3; | |
| 454 * alias x y; | |
| 455 * try to alias y to 3. | |
| 456 */ | |
| 457 s = type->toDsymbol(sc); | |
| 458 if (s) | |
| 459 goto L2; // it's a symbolic alias | |
| 460 | |
| 461 //printf("alias type is %s\n", type->toChars()); | |
| 462 type->resolve(loc, sc, &e, &t, &s); | |
| 463 if (s) | |
| 464 { | |
| 465 goto L2; | |
| 466 } | |
| 467 else if (e) | |
| 468 { | |
| 469 // Try to convert Expression to Dsymbol | |
| 470 if (e->op == TOKvar) | |
| 471 { s = ((VarExp *)e)->var; | |
| 472 goto L2; | |
| 473 } | |
| 474 else if (e->op == TOKfunction) | |
| 475 { s = ((FuncExp *)e)->fd; | |
| 476 goto L2; | |
| 477 } | |
| 478 else | |
| 479 { error("cannot alias an expression %s", e->toChars()); | |
| 480 t = e->type; | |
| 481 } | |
| 482 } | |
| 483 else if (t) | |
| 484 type = t; | |
| 485 if (overnext) | |
| 486 ScopeDsymbol::multiplyDefined(0, this, overnext); | |
| 487 this->inSemantic = 0; | |
| 488 return; | |
| 489 | |
| 490 L2: | |
| 491 //printf("alias is a symbol %s %s\n", s->kind(), s->toChars()); | |
| 492 type = NULL; | |
| 493 VarDeclaration *v = s->isVarDeclaration(); | |
| 494 if (v && v->linkage == LINKdefault) | |
| 495 { | |
| 496 error("forward reference of %s", v->toChars()); | |
| 497 s = NULL; | |
| 498 } | |
| 499 else | |
| 500 { | |
| 501 FuncDeclaration *f = s->toAlias()->isFuncDeclaration(); | |
| 502 if (f) | |
| 503 { | |
| 504 if (overnext) | |
| 505 { | |
| 506 FuncAliasDeclaration *fa = new FuncAliasDeclaration(f); | |
| 507 if (!fa->overloadInsert(overnext)) | |
| 508 ScopeDsymbol::multiplyDefined(0, f, overnext); | |
| 509 overnext = NULL; | |
| 510 s = fa; | |
| 511 s->parent = sc->parent; | |
| 512 } | |
| 513 } | |
| 514 if (overnext) | |
| 515 ScopeDsymbol::multiplyDefined(0, s, overnext); | |
| 516 if (s == this) | |
| 517 { | |
| 518 assert(global.errors); | |
| 519 s = NULL; | |
| 520 } | |
| 521 } | |
| 522 aliassym = s; | |
| 523 this->inSemantic = 0; | |
| 524 } | |
| 525 | |
| 526 int AliasDeclaration::overloadInsert(Dsymbol *s) | |
| 527 { | |
| 528 /* Don't know yet what the aliased symbol is, so assume it can | |
| 529 * be overloaded and check later for correctness. | |
| 530 */ | |
| 531 | |
| 532 //printf("AliasDeclaration::overloadInsert('%s')\n", s->toChars()); | |
| 533 if (overnext == NULL) | |
| 534 { overnext = s; | |
| 535 return TRUE; | |
| 536 } | |
| 537 else | |
| 538 { | |
| 539 return overnext->overloadInsert(s); | |
| 540 } | |
| 541 } | |
| 542 | |
| 336 | 543 const char *AliasDeclaration::kind() |
| 159 | 544 { |
| 545 return "alias"; | |
| 546 } | |
| 547 | |
| 548 Type *AliasDeclaration::getType() | |
| 549 { | |
| 550 return type; | |
| 551 } | |
| 552 | |
| 553 Dsymbol *AliasDeclaration::toAlias() | |
| 554 { | |
| 555 //printf("AliasDeclaration::toAlias('%s', this = %p, aliassym = %p, kind = '%s')\n", toChars(), this, aliassym, aliassym ? aliassym->kind() : ""); | |
| 556 assert(this != aliassym); | |
| 557 //static int count; if (++count == 10) *(char*)0=0; | |
| 558 if (inSemantic) | |
| 559 { error("recursive alias declaration"); | |
| 560 // return this; | |
| 561 } | |
| 562 Dsymbol *s = aliassym ? aliassym->toAlias() : this; | |
| 563 return s; | |
| 564 } | |
| 565 | |
| 566 void AliasDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 567 { | |
| 568 buf->writestring("alias "); | |
| 569 #if 0 && _DH | |
| 570 if (hgs->hdrgen) | |
| 571 { | |
| 572 if (haliassym) | |
| 573 { | |
| 574 haliassym->toCBuffer(buf, hgs); | |
| 575 buf->writeByte(' '); | |
| 576 buf->writestring(ident->toChars()); | |
| 577 } | |
| 578 else | |
| 579 htype->toCBuffer(buf, ident, hgs); | |
| 580 } | |
| 581 else | |
| 582 #endif | |
| 583 { | |
| 584 if (aliassym) | |
| 585 { | |
| 586 aliassym->toCBuffer(buf, hgs); | |
| 587 buf->writeByte(' '); | |
| 588 buf->writestring(ident->toChars()); | |
| 589 } | |
| 590 else | |
| 591 type->toCBuffer(buf, ident, hgs); | |
| 592 } | |
| 593 buf->writeByte(';'); | |
| 594 buf->writenl(); | |
| 595 } | |
| 596 | |
| 597 /********************************* VarDeclaration ****************************/ | |
| 598 | |
| 599 VarDeclaration::VarDeclaration(Loc loc, Type *type, Identifier *id, Initializer *init) | |
| 600 : Declaration(id) | |
| 601 { | |
| 602 //printf("VarDeclaration('%s')\n", id->toChars()); | |
| 603 #ifdef DEBUG | |
| 604 if (!type && !init) | |
| 605 { printf("VarDeclaration('%s')\n", id->toChars()); | |
| 606 //*(char*)0=0; | |
| 607 } | |
| 608 #endif | |
| 609 assert(type || init); | |
| 610 this->type = type; | |
| 611 this->init = init; | |
| 612 #ifdef _DH | |
| 613 this->htype = NULL; | |
| 614 this->hinit = NULL; | |
| 615 #endif | |
| 616 this->loc = loc; | |
| 617 offset = 0; | |
| 618 noauto = 0; | |
| 619 nestedref = 0; | |
| 620 inuse = 0; | |
| 621 ctorinit = 0; | |
| 622 aliassym = NULL; | |
| 623 onstack = 0; | |
| 624 canassign = 0; | |
| 625 value = NULL; | |
|
737
041c1596d217
Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
658
diff
changeset
|
626 |
|
041c1596d217
Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
658
diff
changeset
|
627 // LDC |
|
041c1596d217
Removed warnings on ignored aligns. Only do aligment on packed structs, align(1) struct Packed { ... }
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
658
diff
changeset
|
628 anonDecl = NULL; |
|
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
737
diff
changeset
|
629 offset2 = 0; |
|
920
545f54041d91
Implemented proper support for naked asm using llvm module level asm. Still not 100% complete, but already 1000 times better that what we had before. Don's BignumX86 implementation from Tango (when turned into a standalone unittest) seems to fully work with no changes, and great performance :)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
913
diff
changeset
|
630 nakedUse = false; |
| 159 | 631 } |
| 632 | |
| 633 Dsymbol *VarDeclaration::syntaxCopy(Dsymbol *s) | |
| 634 { | |
| 635 //printf("VarDeclaration::syntaxCopy(%s)\n", toChars()); | |
| 636 | |
| 637 VarDeclaration *sv; | |
| 638 if (s) | |
| 639 { sv = (VarDeclaration *)s; | |
| 640 } | |
| 641 else | |
| 642 { | |
| 643 Initializer *init = NULL; | |
| 644 if (this->init) | |
| 645 { init = this->init->syntaxCopy(); | |
| 646 //init->isExpInitializer()->exp->print(); | |
| 647 //init->isExpInitializer()->exp->dump(0); | |
| 648 } | |
| 649 | |
| 650 sv = new VarDeclaration(loc, type ? type->syntaxCopy() : NULL, ident, init); | |
| 651 sv->storage_class = storage_class; | |
| 652 } | |
| 653 #ifdef _DH | |
| 654 // Syntax copy for header file | |
| 655 if (!htype) // Don't overwrite original | |
| 656 { if (type) // Make copy for both old and new instances | |
| 657 { htype = type->syntaxCopy(); | |
| 658 sv->htype = type->syntaxCopy(); | |
| 659 } | |
| 660 } | |
| 661 else // Make copy of original for new instance | |
| 662 sv->htype = htype->syntaxCopy(); | |
| 663 if (!hinit) | |
| 664 { if (init) | |
| 665 { hinit = init->syntaxCopy(); | |
| 666 sv->hinit = init->syntaxCopy(); | |
| 667 } | |
| 668 } | |
| 669 else | |
| 670 sv->hinit = hinit->syntaxCopy(); | |
| 671 #endif | |
| 672 return sv; | |
| 673 } | |
| 674 | |
| 675 void VarDeclaration::semantic(Scope *sc) | |
| 676 { | |
| 677 //printf("VarDeclaration::semantic('%s', parent = '%s')\n", toChars(), sc->parent->toChars()); | |
| 336 | 678 //printf(" type = %s\n", type ? type->toChars() : "null"); |
| 679 //printf(" stc = x%x\n", sc->stc); | |
| 680 //printf(" storage_class = x%x\n", storage_class); | |
| 159 | 681 //printf("linkage = %d\n", sc->linkage); |
| 682 //if (strcmp(toChars(), "mul") == 0) halt(); | |
| 683 | |
| 684 storage_class |= sc->stc; | |
| 685 if (storage_class & STCextern && init) | |
| 686 error("extern symbols cannot have initializers"); | |
| 687 | |
| 688 /* If auto type inference, do the inference | |
| 689 */ | |
| 690 int inferred = 0; | |
| 691 if (!type) | |
| 692 { inuse++; | |
| 693 type = init->inferType(sc); | |
| 694 inuse--; | |
| 695 inferred = 1; | |
| 696 | |
| 697 /* This is a kludge to support the existing syntax for RAII | |
| 698 * declarations. | |
| 699 */ | |
| 700 storage_class &= ~STCauto; | |
| 701 originalType = type; | |
| 702 } | |
| 703 else | |
| 704 { if (!originalType) | |
| 705 originalType = type; | |
| 706 type = type->semantic(loc, sc); | |
| 707 } | |
| 336 | 708 //printf(" semantic type = %s\n", type ? type->toChars() : "null"); |
| 159 | 709 |
| 710 type->checkDeprecated(loc, sc); | |
| 711 linkage = sc->linkage; | |
| 712 this->parent = sc->parent; | |
| 713 //printf("this = %p, parent = %p, '%s'\n", this, parent, parent->toChars()); | |
| 714 protection = sc->protection; | |
| 715 //printf("sc->stc = %x\n", sc->stc); | |
| 336 | 716 //printf("storage_class = x%x\n", storage_class); |
| 159 | 717 |
| 718 Dsymbol *parent = toParent(); | |
| 719 FuncDeclaration *fd = parent->isFuncDeclaration(); | |
| 720 | |
| 721 Type *tb = type->toBasetype(); | |
| 722 if (tb->ty == Tvoid && !(storage_class & STClazy)) | |
| 723 { error("voids have no value"); | |
| 724 type = Type::terror; | |
| 725 tb = type; | |
| 726 } | |
| 727 if (tb->ty == Tfunction) | |
| 728 { error("cannot be declared to be a function"); | |
| 729 type = Type::terror; | |
| 730 tb = type; | |
| 731 } | |
| 732 if (tb->ty == Tstruct) | |
| 733 { TypeStruct *ts = (TypeStruct *)tb; | |
| 734 | |
| 735 if (!ts->sym->members) | |
| 736 { | |
| 737 error("no definition of struct %s", ts->toChars()); | |
| 738 } | |
| 739 } | |
| 740 | |
| 741 if (tb->ty == Ttuple) | |
| 742 { /* Instead, declare variables for each of the tuple elements | |
| 743 * and add those. | |
| 744 */ | |
| 745 TypeTuple *tt = (TypeTuple *)tb; | |
| 746 size_t nelems = Argument::dim(tt->arguments); | |
| 747 Objects *exps = new Objects(); | |
| 748 exps->setDim(nelems); | |
| 749 Expression *ie = init ? init->toExpression() : NULL; | |
| 750 | |
| 751 for (size_t i = 0; i < nelems; i++) | |
| 752 { Argument *arg = Argument::getNth(tt->arguments, i); | |
| 753 | |
| 754 OutBuffer buf; | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
920
diff
changeset
|
755 buf.printf("_%s_field_%zu", ident->toChars(), i); |
| 159 | 756 buf.writeByte(0); |
| 757 char *name = (char *)buf.extractData(); | |
| 758 Identifier *id = new Identifier(name, TOKidentifier); | |
| 759 | |
| 760 Expression *einit = ie; | |
| 761 if (ie && ie->op == TOKtuple) | |
| 762 { einit = (Expression *)((TupleExp *)ie)->exps->data[i]; | |
| 763 } | |
| 764 Initializer *ti = init; | |
| 765 if (einit) | |
| 766 { ti = new ExpInitializer(einit->loc, einit); | |
| 767 } | |
| 768 | |
| 769 VarDeclaration *v = new VarDeclaration(loc, arg->type, id, ti); | |
| 770 //printf("declaring field %s of type %s\n", v->toChars(), v->type->toChars()); | |
| 771 v->semantic(sc); | |
|
1132
76e72fdef04d
Fix tuple declarations in aggregates.
Christian Kamm <kamm incasoftware de>
parents:
1103
diff
changeset
|
772 |
|
76e72fdef04d
Fix tuple declarations in aggregates.
Christian Kamm <kamm incasoftware de>
parents:
1103
diff
changeset
|
773 /* |
|
76e72fdef04d
Fix tuple declarations in aggregates.
Christian Kamm <kamm incasoftware de>
parents:
1103
diff
changeset
|
774 // removed for LDC since TupleDeclaration::toObj already creates the fields; |
|
76e72fdef04d
Fix tuple declarations in aggregates.
Christian Kamm <kamm incasoftware de>
parents:
1103
diff
changeset
|
775 // adding them to the scope again leads to duplicates |
| 159 | 776 if (sc->scopesym) |
| 777 { //printf("adding %s to %s\n", v->toChars(), sc->scopesym->toChars()); | |
| 778 if (sc->scopesym->members) | |
| 779 sc->scopesym->members->push(v); | |
| 780 } | |
|
1132
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Fix tuple declarations in aggregates.
Christian Kamm <kamm incasoftware de>
parents:
1103
diff
changeset
|
781 */ |
| 159 | 782 Expression *e = new DsymbolExp(loc, v); |
| 783 exps->data[i] = e; | |
| 784 } | |
| 785 TupleDeclaration *v2 = new TupleDeclaration(loc, ident, exps); | |
| 786 v2->isexp = 1; | |
| 787 aliassym = v2; | |
| 788 return; | |
| 789 } | |
| 790 | |
| 791 if (storage_class & STCconst && !init && !fd) | |
| 792 // Initialize by constructor only | |
| 793 storage_class = (storage_class & ~STCconst) | STCctorinit; | |
| 794 | |
| 795 if (isConst()) | |
| 796 { | |
| 797 } | |
| 798 else if (isStatic()) | |
| 799 { | |
| 800 } | |
| 801 else if (isSynchronized()) | |
| 802 { | |
| 803 error("variable %s cannot be synchronized", toChars()); | |
| 804 } | |
| 805 else if (isOverride()) | |
| 806 { | |
| 807 error("override cannot be applied to variable"); | |
| 808 } | |
| 809 else if (isAbstract()) | |
| 810 { | |
| 811 error("abstract cannot be applied to variable"); | |
| 812 } | |
| 813 else if (storage_class & STCtemplateparameter) | |
| 814 { | |
| 815 } | |
| 816 else | |
| 817 { | |
| 818 AggregateDeclaration *aad = sc->anonAgg; | |
| 819 if (!aad) | |
| 820 aad = parent->isAggregateDeclaration(); | |
| 821 if (aad) | |
| 822 { | |
| 823 aad->addField(sc, this); | |
| 824 } | |
| 825 | |
| 826 InterfaceDeclaration *id = parent->isInterfaceDeclaration(); | |
| 827 if (id) | |
| 828 { | |
| 829 error("field not allowed in interface"); | |
| 830 } | |
| 831 | |
| 336 | 832 /* Templates cannot add fields to aggregates |
| 833 */ | |
| 159 | 834 TemplateInstance *ti = parent->isTemplateInstance(); |
| 835 if (ti) | |
| 836 { | |
| 837 // Take care of nested templates | |
| 838 while (1) | |
| 839 { | |
| 840 TemplateInstance *ti2 = ti->tempdecl->parent->isTemplateInstance(); | |
| 841 if (!ti2) | |
| 842 break; | |
| 843 ti = ti2; | |
| 844 } | |
| 845 | |
| 846 // If it's a member template | |
| 847 AggregateDeclaration *ad = ti->tempdecl->isMember(); | |
| 848 if (ad && storage_class != STCundefined) | |
| 849 { | |
| 850 error("cannot use template to add field to aggregate '%s'", ad->toChars()); | |
| 851 } | |
| 852 } | |
| 853 } | |
| 854 | |
| 855 if (type->isauto() && !noauto) | |
| 856 { | |
| 857 if (storage_class & (STCfield | STCout | STCref | STCstatic) || !fd) | |
| 858 { | |
| 859 error("globals, statics, fields, ref and out parameters cannot be auto"); | |
| 860 } | |
| 861 | |
| 862 if (!(storage_class & (STCauto | STCscope))) | |
| 863 { | |
| 864 if (!(storage_class & STCparameter) && ident != Id::withSym) | |
| 865 error("reference to scope class must be scope"); | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 if (!init && !sc->inunion && !isStatic() && !isConst() && fd && | |
| 870 !(storage_class & (STCfield | STCin | STCforeach)) && | |
| 871 type->size() != 0) | |
| 872 { | |
| 873 // Provide a default initializer | |
| 874 //printf("Providing default initializer for '%s'\n", toChars()); | |
| 875 if (type->ty == Tstruct && | |
| 876 ((TypeStruct *)type)->sym->zeroInit == 1) | |
| 877 { /* If a struct is all zeros, as a special case | |
| 878 * set it's initializer to the integer 0. | |
| 879 * In AssignExp::toElem(), we check for this and issue | |
| 880 * a memset() to initialize the struct. | |
| 881 * Must do same check in interpreter. | |
| 882 */ | |
| 883 Expression *e = new IntegerExp(loc, 0, Type::tint32); | |
| 884 Expression *e1; | |
| 885 e1 = new VarExp(loc, this); | |
| 886 e = new AssignExp(loc, e1, e); | |
| 887 e->type = e1->type; | |
| 888 init = new ExpInitializer(loc, e/*->type->defaultInit()*/); | |
| 889 return; | |
| 890 } | |
| 891 else if (type->ty == Ttypedef) | |
| 892 { TypeTypedef *td = (TypeTypedef *)type; | |
| 893 if (td->sym->init) | |
| 894 { init = td->sym->init; | |
| 895 ExpInitializer *ie = init->isExpInitializer(); | |
| 896 if (ie) | |
| 897 // Make copy so we can modify it | |
| 898 init = new ExpInitializer(ie->loc, ie->exp); | |
| 899 } | |
| 900 else | |
| 901 init = getExpInitializer(); | |
| 902 } | |
| 903 else | |
| 904 { | |
| 905 init = getExpInitializer(); | |
| 906 } | |
| 907 } | |
| 908 | |
| 909 if (init) | |
| 910 { | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
911 sc = sc->push(); |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
912 sc->stc &= ~(STCconst | STCinvariant | STCpure); |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
913 |
| 159 | 914 ArrayInitializer *ai = init->isArrayInitializer(); |
| 915 if (ai && tb->ty == Taarray) | |
| 916 { | |
| 917 init = ai->toAssocArrayInitializer(); | |
| 918 } | |
| 919 | |
| 920 StructInitializer *si = init->isStructInitializer(); | |
| 921 ExpInitializer *ei = init->isExpInitializer(); | |
| 922 | |
| 923 // See if we can allocate on the stack | |
| 924 if (ei && isScope() && ei->exp->op == TOKnew) | |
| 925 { NewExp *ne = (NewExp *)ei->exp; | |
| 926 if (!(ne->newargs && ne->newargs->dim)) | |
| 927 { ne->onstack = 1; | |
| 928 onstack = 1; | |
| 929 if (type->isBaseOf(ne->newtype->semantic(loc, sc), NULL)) | |
| 930 onstack = 2; | |
| 931 } | |
| 932 } | |
| 933 | |
| 934 // If inside function, there is no semantic3() call | |
| 935 if (sc->func) | |
| 936 { | |
| 937 // If local variable, use AssignExp to handle all the various | |
| 938 // possibilities. | |
| 939 if (fd && !isStatic() && !isConst() && !init->isVoidInitializer()) | |
| 940 { | |
| 941 //printf("fd = '%s', var = '%s'\n", fd->toChars(), toChars()); | |
| 942 if (!ei) | |
| 943 { | |
| 944 Expression *e = init->toExpression(); | |
| 945 if (!e) | |
| 946 { | |
| 947 init = init->semantic(sc, type); | |
| 948 e = init->toExpression(); | |
| 949 if (!e) | |
| 950 { error("is not a static and cannot have static initializer"); | |
| 951 return; | |
| 952 } | |
| 953 } | |
| 954 ei = new ExpInitializer(init->loc, e); | |
| 955 init = ei; | |
| 956 } | |
| 957 | |
| 336 | 958 Expression *e1 = new VarExp(loc, this); |
| 159 | 959 |
| 336 | 960 Type *t = type->toBasetype(); |
| 159 | 961 if (t->ty == Tsarray) |
| 962 { | |
| 963 ei->exp = ei->exp->semantic(sc); | |
| 964 if (!ei->exp->implicitConvTo(type)) | |
| 965 { | |
| 336 | 966 int dim = ((TypeSArray *)t)->dim->toInteger(); |
| 159 | 967 // If multidimensional static array, treat as one large array |
| 968 while (1) | |
| 969 { | |
| 970 t = t->nextOf()->toBasetype(); | |
| 971 if (t->ty != Tsarray) | |
| 972 break; | |
| 973 dim *= ((TypeSArray *)t)->dim->toInteger(); | |
| 974 e1->type = new TypeSArray(t->nextOf(), new IntegerExp(0, dim, Type::tindex)); | |
| 975 } | |
| 976 } | |
| 977 e1 = new SliceExp(loc, e1, NULL, NULL); | |
| 978 } | |
| 979 else if (t->ty == Tstruct) | |
| 980 { | |
| 981 ei->exp = ei->exp->semantic(sc); | |
| 982 if (!ei->exp->implicitConvTo(type)) | |
| 983 ei->exp = new CastExp(loc, ei->exp, type); | |
| 984 } | |
| 985 ei->exp = new AssignExp(loc, e1, ei->exp); | |
| 986 ei->exp->op = TOKconstruct; | |
| 987 canassign++; | |
| 988 ei->exp = ei->exp->semantic(sc); | |
| 989 canassign--; | |
| 990 ei->exp->optimize(WANTvalue); | |
| 991 } | |
| 992 else | |
| 993 { | |
| 994 init = init->semantic(sc, type); | |
| 995 if (fd && isConst() && !isStatic()) | |
| 996 { // Make it static | |
| 997 storage_class |= STCstatic; | |
| 998 } | |
| 999 } | |
| 1000 } | |
| 1001 else if (isConst() || isFinal()) | |
| 1002 { | |
| 1003 /* Because we may need the results of a const declaration in a | |
| 1004 * subsequent type, such as an array dimension, before semantic2() | |
| 1005 * gets ordinarily run, try to run semantic2() now. | |
| 1006 * Ignore failure. | |
| 1007 */ | |
| 1008 | |
| 1009 if (!global.errors && !inferred) | |
| 1010 { | |
| 1011 unsigned errors = global.errors; | |
| 1012 global.gag++; | |
| 1013 //printf("+gag\n"); | |
| 1014 Expression *e; | |
| 1015 Initializer *i2 = init; | |
| 1016 inuse++; | |
| 1017 if (ei) | |
| 1018 { | |
| 1019 e = ei->exp->syntaxCopy(); | |
| 1020 e = e->semantic(sc); | |
| 1021 e = e->implicitCastTo(sc, type); | |
| 1022 } | |
| 1023 else if (si || ai) | |
| 1024 { i2 = init->syntaxCopy(); | |
| 1025 i2 = i2->semantic(sc, type); | |
| 1026 } | |
| 1027 inuse--; | |
| 1028 global.gag--; | |
| 1029 //printf("-gag\n"); | |
| 1030 if (errors != global.errors) // if errors happened | |
| 1031 { | |
| 1032 if (global.gag == 0) | |
| 1033 global.errors = errors; // act as if nothing happened | |
| 1034 } | |
| 1035 else if (ei) | |
| 1036 { | |
| 1037 e = e->optimize(WANTvalue | WANTinterpret); | |
| 1038 if (e->op == TOKint64 || e->op == TOKstring) | |
| 1039 { | |
| 1040 ei->exp = e; // no errors, keep result | |
| 1041 } | |
| 1042 } | |
| 1043 else | |
| 1044 init = i2; // no errors, keep result | |
| 1045 } | |
| 1046 } | |
|
658
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Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
468
diff
changeset
|
1047 sc = sc->pop(); |
| 159 | 1048 } |
| 1049 } | |
| 1050 | |
| 1051 ExpInitializer *VarDeclaration::getExpInitializer() | |
| 1052 { | |
| 1053 ExpInitializer *ei; | |
| 1054 | |
| 1055 if (init) | |
| 1056 ei = init->isExpInitializer(); | |
| 1057 else | |
| 1058 { | |
| 336 | 1059 Expression *e = type->defaultInit(loc); |
| 159 | 1060 if (e) |
| 1061 ei = new ExpInitializer(loc, e); | |
| 1062 else | |
| 1063 ei = NULL; | |
| 1064 } | |
| 1065 return ei; | |
| 1066 } | |
| 1067 | |
| 1068 void VarDeclaration::semantic2(Scope *sc) | |
| 1069 { | |
| 1070 //printf("VarDeclaration::semantic2('%s')\n", toChars()); | |
| 1071 if (init && !toParent()->isFuncDeclaration()) | |
| 1072 { inuse++; | |
| 1073 #if 0 | |
| 1074 ExpInitializer *ei = init->isExpInitializer(); | |
| 1075 if (ei) | |
| 1076 { | |
| 1077 ei->exp->dump(0); | |
| 1078 printf("type = %p\n", ei->exp->type); | |
| 1079 } | |
| 1080 #endif | |
| 1081 init = init->semantic(sc, type); | |
| 1082 inuse--; | |
| 1083 } | |
| 1084 } | |
| 1085 | |
| 336 | 1086 const char *VarDeclaration::kind() |
| 159 | 1087 { |
| 1088 return "variable"; | |
| 1089 } | |
| 1090 | |
| 1091 Dsymbol *VarDeclaration::toAlias() | |
| 1092 { | |
| 1093 //printf("VarDeclaration::toAlias('%s', this = %p, aliassym = %p)\n", toChars(), this, aliassym); | |
| 1094 assert(this != aliassym); | |
| 1095 Dsymbol *s = aliassym ? aliassym->toAlias() : this; | |
| 1096 return s; | |
| 1097 } | |
| 1098 | |
| 1099 void VarDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 1100 { | |
| 1101 if (storage_class & STCconst) | |
| 1102 buf->writestring("const "); | |
| 1103 if (storage_class & STCstatic) | |
| 1104 buf->writestring("static "); | |
| 336 | 1105 if (storage_class & STCauto) |
| 1106 buf->writestring("auto "); | |
| 1107 #if DMDV2 | |
| 1108 if (storage_class & STCmanifest) | |
| 1109 buf->writestring("manifest "); | |
| 1110 if (storage_class & STCinvariant) | |
| 1111 buf->writestring("invariant "); | |
| 1112 if (storage_class & STCtls) | |
| 1113 buf->writestring("__thread "); | |
| 1114 #endif | |
| 1115 | |
| 159 | 1116 if (type) |
| 1117 type->toCBuffer(buf, ident, hgs); | |
| 1118 else | |
| 1119 buf->writestring(ident->toChars()); | |
| 1120 if (init) | |
| 1121 { buf->writestring(" = "); | |
| 1122 init->toCBuffer(buf, hgs); | |
| 1123 } | |
| 1124 buf->writeByte(';'); | |
| 1125 buf->writenl(); | |
| 1126 } | |
| 1127 | |
| 1128 int VarDeclaration::needThis() | |
| 1129 { | |
| 1130 //printf("VarDeclaration::needThis(%s, x%x)\n", toChars(), storage_class); | |
| 1131 return storage_class & STCfield; | |
| 1132 } | |
| 1133 | |
| 1134 int VarDeclaration::isImportedSymbol() | |
| 1135 { | |
| 1136 if (protection == PROTexport && !init && (isStatic() || isConst() || parent->isModule())) | |
| 1137 return TRUE; | |
| 1138 return FALSE; | |
| 1139 } | |
| 1140 | |
| 1141 void VarDeclaration::checkCtorConstInit() | |
| 1142 { | |
| 1143 if (ctorinit == 0 && isCtorinit() && !(storage_class & STCfield)) | |
| 1144 error("missing initializer in static constructor for const variable"); | |
| 1145 } | |
| 1146 | |
| 1147 /************************************ | |
| 336 | 1148 * Check to see if this variable is actually in an enclosing function |
| 1149 * rather than the current one. | |
| 159 | 1150 */ |
| 1151 | |
| 1152 void VarDeclaration::checkNestedReference(Scope *sc, Loc loc) | |
| 1153 { | |
| 336 | 1154 //printf("VarDeclaration::checkNestedReference() %s\n", toChars()); |
| 159 | 1155 if (parent && !isDataseg() && parent != sc->parent) |
| 1156 { | |
| 336 | 1157 // The function that this variable is in |
| 159 | 1158 FuncDeclaration *fdv = toParent()->isFuncDeclaration(); |
| 336 | 1159 // The current function |
| 159 | 1160 FuncDeclaration *fdthis = sc->parent->isFuncDeclaration(); |
| 1161 | |
| 1162 if (fdv && fdthis) | |
| 1163 { | |
| 1164 if (loc.filename) | |
| 1165 fdthis->getLevel(loc, fdv); | |
| 1166 nestedref = 1; | |
| 1167 fdv->nestedFrameRef = 1; | |
| 1168 fdv->nestedVars.insert(this); | |
| 1169 //printf("var %s in function %s is nested ref\n", toChars(), fdv->toChars()); | |
| 1170 } | |
| 1171 } | |
| 1172 } | |
| 1173 | |
| 1174 /******************************* | |
| 1175 * Does symbol go into data segment? | |
| 336 | 1176 * Includes extern variables. |
| 159 | 1177 */ |
| 1178 | |
| 1179 int VarDeclaration::isDataseg() | |
| 1180 { | |
| 1181 #if 0 | |
| 1182 printf("VarDeclaration::isDataseg(%p, '%s')\n", this, toChars()); | |
| 1183 printf("%x, %p, %p\n", storage_class & (STCstatic | STCconst), parent->isModule(), parent->isTemplateInstance()); | |
| 1184 printf("parent = '%s'\n", parent->toChars()); | |
| 1185 #endif | |
| 1186 Dsymbol *parent = this->toParent(); | |
| 1187 if (!parent && !(storage_class & (STCstatic | STCconst))) | |
| 1188 { error("forward referenced"); | |
| 1189 type = Type::terror; | |
| 1190 return 0; | |
| 1191 } | |
| 1192 return (storage_class & (STCstatic | STCconst) || | |
| 1193 parent->isModule() || | |
| 1194 parent->isTemplateInstance()); | |
| 1195 } | |
| 1196 | |
| 1197 int VarDeclaration::hasPointers() | |
| 1198 { | |
| 1199 return (!isDataseg() && type->hasPointers()); | |
| 1200 } | |
| 1201 | |
| 1202 /****************************************** | |
| 1203 * If a variable has an auto destructor call, return call for it. | |
| 1204 * Otherwise, return NULL. | |
| 1205 */ | |
| 1206 | |
| 1207 Expression *VarDeclaration::callAutoDtor() | |
| 1208 { Expression *e = NULL; | |
| 1209 | |
| 1210 //printf("VarDeclaration::callAutoDtor() %s\n", toChars()); | |
| 1211 if (storage_class & (STCauto | STCscope) && !noauto) | |
| 1212 { | |
| 1213 for (ClassDeclaration *cd = type->isClassHandle(); | |
| 1214 cd; | |
| 1215 cd = cd->baseClass) | |
| 1216 { | |
| 1217 /* We can do better if there's a way with onstack | |
| 1218 * classes to determine if there's no way the monitor | |
| 1219 * could be set. | |
| 1220 */ | |
| 1221 //if (cd->isInterfaceDeclaration()) | |
| 1222 //error("interface %s cannot be scope", cd->toChars()); | |
| 1223 if (1 || onstack || cd->dtors.dim) // if any destructors | |
| 1224 { | |
| 1225 // delete this; | |
| 1226 Expression *ec; | |
| 1227 | |
| 1228 ec = new VarExp(loc, this); | |
| 1229 e = new DeleteExp(loc, ec); | |
| 1230 e->type = Type::tvoid; | |
| 1231 break; | |
| 1232 } | |
| 1233 } | |
| 1234 } | |
| 1235 return e; | |
| 1236 } | |
| 1237 | |
| 1238 | |
| 1239 /********************************* ClassInfoDeclaration ****************************/ | |
| 1240 | |
| 1241 ClassInfoDeclaration::ClassInfoDeclaration(ClassDeclaration *cd) | |
| 1242 : VarDeclaration(0, ClassDeclaration::classinfo->type, cd->ident, NULL) | |
| 1243 { | |
| 1244 this->cd = cd; | |
| 1245 storage_class = STCstatic; | |
| 1246 } | |
| 1247 | |
| 1248 Dsymbol *ClassInfoDeclaration::syntaxCopy(Dsymbol *s) | |
| 1249 { | |
| 1250 assert(0); // should never be produced by syntax | |
| 1251 return NULL; | |
| 1252 } | |
| 1253 | |
| 1254 void ClassInfoDeclaration::semantic(Scope *sc) | |
| 1255 { | |
| 1256 } | |
| 1257 | |
| 1258 /********************************* ModuleInfoDeclaration ****************************/ | |
| 1259 | |
| 1260 ModuleInfoDeclaration::ModuleInfoDeclaration(Module *mod) | |
| 1261 : VarDeclaration(0, Module::moduleinfo->type, mod->ident, NULL) | |
| 1262 { | |
| 1263 this->mod = mod; | |
| 1264 storage_class = STCstatic; | |
| 1265 } | |
| 1266 | |
| 1267 Dsymbol *ModuleInfoDeclaration::syntaxCopy(Dsymbol *s) | |
| 1268 { | |
| 1269 assert(0); // should never be produced by syntax | |
| 1270 return NULL; | |
| 1271 } | |
| 1272 | |
| 1273 void ModuleInfoDeclaration::semantic(Scope *sc) | |
| 1274 { | |
| 1275 } | |
| 1276 | |
| 1277 /********************************* TypeInfoDeclaration ****************************/ | |
| 1278 | |
| 1279 TypeInfoDeclaration::TypeInfoDeclaration(Type *tinfo, int internal) | |
| 1280 : VarDeclaration(0, Type::typeinfo->type, tinfo->getTypeInfoIdent(internal), NULL) | |
| 1281 { | |
| 1282 this->tinfo = tinfo; | |
| 1283 storage_class = STCstatic; | |
| 1284 protection = PROTpublic; | |
| 1285 linkage = LINKc; | |
| 1286 } | |
| 1287 | |
| 1288 Dsymbol *TypeInfoDeclaration::syntaxCopy(Dsymbol *s) | |
| 1289 { | |
| 1290 assert(0); // should never be produced by syntax | |
| 1291 return NULL; | |
| 1292 } | |
| 1293 | |
| 1294 void TypeInfoDeclaration::semantic(Scope *sc) | |
| 1295 { | |
| 1296 assert(linkage == LINKc); | |
| 1297 } | |
| 1298 | |
| 1299 /***************************** TypeInfoConstDeclaration **********************/ | |
| 1300 | |
| 336 | 1301 #if DMDV2 |
| 159 | 1302 TypeInfoConstDeclaration::TypeInfoConstDeclaration(Type *tinfo) |
| 1303 : TypeInfoDeclaration(tinfo, 0) | |
| 1304 { | |
| 1305 } | |
| 1306 #endif | |
| 1307 | |
| 1308 /***************************** TypeInfoInvariantDeclaration **********************/ | |
| 1309 | |
| 336 | 1310 #if DMDV2 |
| 159 | 1311 TypeInfoInvariantDeclaration::TypeInfoInvariantDeclaration(Type *tinfo) |
| 1312 : TypeInfoDeclaration(tinfo, 0) | |
| 1313 { | |
| 1314 } | |
| 1315 #endif | |
| 1316 | |
| 1317 /***************************** TypeInfoStructDeclaration **********************/ | |
| 1318 | |
| 1319 TypeInfoStructDeclaration::TypeInfoStructDeclaration(Type *tinfo) | |
| 1320 : TypeInfoDeclaration(tinfo, 0) | |
| 1321 { | |
| 1322 } | |
| 1323 | |
| 1324 /***************************** TypeInfoClassDeclaration ***********************/ | |
| 1325 | |
| 1326 TypeInfoClassDeclaration::TypeInfoClassDeclaration(Type *tinfo) | |
| 1327 : TypeInfoDeclaration(tinfo, 0) | |
| 1328 { | |
| 1329 } | |
| 1330 | |
| 1331 /***************************** TypeInfoInterfaceDeclaration *******************/ | |
| 1332 | |
| 1333 TypeInfoInterfaceDeclaration::TypeInfoInterfaceDeclaration(Type *tinfo) | |
| 1334 : TypeInfoDeclaration(tinfo, 0) | |
| 1335 { | |
| 1336 } | |
| 1337 | |
| 1338 /***************************** TypeInfoTypedefDeclaration *********************/ | |
| 1339 | |
| 1340 TypeInfoTypedefDeclaration::TypeInfoTypedefDeclaration(Type *tinfo) | |
| 1341 : TypeInfoDeclaration(tinfo, 0) | |
| 1342 { | |
| 1343 } | |
| 1344 | |
| 1345 /***************************** TypeInfoPointerDeclaration *********************/ | |
| 1346 | |
| 1347 TypeInfoPointerDeclaration::TypeInfoPointerDeclaration(Type *tinfo) | |
| 1348 : TypeInfoDeclaration(tinfo, 0) | |
| 1349 { | |
| 1350 } | |
| 1351 | |
| 1352 /***************************** TypeInfoArrayDeclaration ***********************/ | |
| 1353 | |
| 1354 TypeInfoArrayDeclaration::TypeInfoArrayDeclaration(Type *tinfo) | |
| 1355 : TypeInfoDeclaration(tinfo, 0) | |
| 1356 { | |
| 1357 } | |
| 1358 | |
| 1359 /***************************** TypeInfoStaticArrayDeclaration *****************/ | |
| 1360 | |
| 1361 TypeInfoStaticArrayDeclaration::TypeInfoStaticArrayDeclaration(Type *tinfo) | |
| 1362 : TypeInfoDeclaration(tinfo, 0) | |
| 1363 { | |
| 1364 } | |
| 1365 | |
| 1366 /***************************** TypeInfoAssociativeArrayDeclaration ************/ | |
| 1367 | |
| 1368 TypeInfoAssociativeArrayDeclaration::TypeInfoAssociativeArrayDeclaration(Type *tinfo) | |
| 1369 : TypeInfoDeclaration(tinfo, 0) | |
| 1370 { | |
| 1371 } | |
| 1372 | |
| 1373 /***************************** TypeInfoEnumDeclaration ***********************/ | |
| 1374 | |
| 1375 TypeInfoEnumDeclaration::TypeInfoEnumDeclaration(Type *tinfo) | |
| 1376 : TypeInfoDeclaration(tinfo, 0) | |
| 1377 { | |
| 1378 } | |
| 1379 | |
| 1380 /***************************** TypeInfoFunctionDeclaration ********************/ | |
| 1381 | |
| 1382 TypeInfoFunctionDeclaration::TypeInfoFunctionDeclaration(Type *tinfo) | |
| 1383 : TypeInfoDeclaration(tinfo, 0) | |
| 1384 { | |
| 1385 } | |
| 1386 | |
| 1387 /***************************** TypeInfoDelegateDeclaration ********************/ | |
| 1388 | |
| 1389 TypeInfoDelegateDeclaration::TypeInfoDelegateDeclaration(Type *tinfo) | |
| 1390 : TypeInfoDeclaration(tinfo, 0) | |
| 1391 { | |
| 1392 } | |
| 1393 | |
| 1394 /***************************** TypeInfoTupleDeclaration **********************/ | |
| 1395 | |
| 1396 TypeInfoTupleDeclaration::TypeInfoTupleDeclaration(Type *tinfo) | |
| 1397 : TypeInfoDeclaration(tinfo, 0) | |
| 1398 { | |
| 1399 } | |
| 1400 | |
| 1401 /********************************* ThisDeclaration ****************************/ | |
| 1402 | |
| 1403 // For the "this" parameter to member functions | |
| 1404 | |
| 1405 ThisDeclaration::ThisDeclaration(Type *t) | |
| 1406 : VarDeclaration(0, t, Id::This, NULL) | |
| 1407 { | |
| 1408 noauto = 1; | |
| 1409 } | |
| 1410 | |
| 1411 Dsymbol *ThisDeclaration::syntaxCopy(Dsymbol *s) | |
| 1412 { | |
| 1413 assert(0); // should never be produced by syntax | |
| 1414 return NULL; | |
| 1415 } | |
| 1416 | |
|
913
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1417 /********************** StaticStructInitDeclaration ***************************/ |
| 159 | 1418 |
|
913
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1419 StaticStructInitDeclaration::StaticStructInitDeclaration(Loc loc, StructDeclaration *dsym) |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1420 : Declaration(new Identifier("", TOKidentifier)) |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1421 { |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1422 this->loc = loc; |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1423 this->dsym = dsym; |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1424 storage_class |= STCconst; |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1425 } |
|
29c0d1194033
Fix #198 and #199 by making CTFE on static struct initializers work.
Christian Kamm <kamm incasoftware de>
parents:
797
diff
changeset
|
1426 |