Mercurial > projects > ldc
annotate dmd/mtype.c @ 11:d3ee9efe20e2 trunk
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
* Now 50/51 tests compile.
* Added a simple runalltests.d scripts that should be run with 'gdmd -run runalltests.d' - LLVMDC will not compile it yet.
| author | lindquist |
|---|---|
| date | Tue, 02 Oct 2007 05:10:18 +0200 |
| parents | dafae18f9c08 |
| children | 3cfcb944304e |
| rev | line source |
|---|---|
| 1 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2007 by Digital Mars | |
| 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 #define __USE_ISOC99 1 // so signbit() gets defined | |
| 12 #include <math.h> | |
| 13 | |
| 14 #include <stdio.h> | |
| 15 #include <assert.h> | |
| 16 #include <float.h> | |
| 17 | |
| 18 #ifdef __DMC__ | |
| 19 #include <fp.h> | |
| 20 #endif | |
| 21 | |
| 22 #if _MSC_VER | |
| 23 #include <malloc.h> | |
| 24 #include <complex> | |
| 25 #include <limits> | |
| 26 #elif __DMC__ | |
| 27 #include <complex.h> | |
| 28 #else | |
| 29 //#define signbit 56 | |
| 30 #endif | |
| 31 | |
| 32 #if __APPLE__ | |
| 33 #include <math.h> | |
| 34 static double zero = 0; | |
| 35 #elif __GNUC__ | |
| 36 #include <math.h> | |
| 37 #include <bits/nan.h> | |
| 38 #include <bits/mathdef.h> | |
| 39 static double zero = 0; | |
| 40 #endif | |
| 41 | |
| 42 #include "mem.h" | |
| 43 | |
| 44 #include "dsymbol.h" | |
| 45 #include "mtype.h" | |
| 46 #include "scope.h" | |
| 47 #include "init.h" | |
| 48 #include "expression.h" | |
| 49 #include "attrib.h" | |
| 50 #include "declaration.h" | |
| 51 #include "template.h" | |
| 52 #include "id.h" | |
| 53 #include "enum.h" | |
| 54 #include "import.h" | |
| 55 #include "aggregate.h" | |
| 56 #include "hdrgen.h" | |
| 57 | |
| 58 FuncDeclaration *hasThis(Scope *sc); | |
| 59 | |
| 60 | |
| 61 #define LOGDOTEXP 0 // log ::dotExp() | |
| 62 #define LOGDEFAULTINIT 0 // log ::defaultInit() | |
| 63 | |
| 64 // Allow implicit conversion of T[] to T* | |
| 65 #define IMPLICIT_ARRAY_TO_PTR global.params.useDeprecated | |
| 66 | |
| 67 /* These have default values for 32 bit code, they get | |
| 68 * adjusted for 64 bit code. | |
| 69 */ | |
| 70 | |
| 71 int PTRSIZE = 4; | |
| 72 #if IN_LLVM | |
| 73 int REALSIZE = 8; | |
| 74 int REALPAD = 0; | |
| 75 #elif TARGET_LINUX | |
| 76 int REALSIZE = 12; | |
| 77 int REALPAD = 2; | |
| 78 #else | |
| 79 int REALSIZE = 10; | |
| 80 int REALPAD = 0; | |
| 81 #endif | |
| 82 int Tsize_t = Tuns32; | |
| 83 int Tptrdiff_t = Tint32; | |
| 84 | |
| 85 /***************************** Type *****************************/ | |
| 86 | |
| 87 ClassDeclaration *Type::typeinfo; | |
| 88 ClassDeclaration *Type::typeinfoclass; | |
| 89 ClassDeclaration *Type::typeinfointerface; | |
| 90 ClassDeclaration *Type::typeinfostruct; | |
| 91 ClassDeclaration *Type::typeinfotypedef; | |
| 92 ClassDeclaration *Type::typeinfopointer; | |
| 93 ClassDeclaration *Type::typeinfoarray; | |
| 94 ClassDeclaration *Type::typeinfostaticarray; | |
| 95 ClassDeclaration *Type::typeinfoassociativearray; | |
| 96 ClassDeclaration *Type::typeinfoenum; | |
| 97 ClassDeclaration *Type::typeinfofunction; | |
| 98 ClassDeclaration *Type::typeinfodelegate; | |
| 99 ClassDeclaration *Type::typeinfotypelist; | |
| 100 | |
| 101 Type *Type::tvoidptr; | |
| 102 Type *Type::basic[TMAX]; | |
| 103 unsigned char Type::mangleChar[TMAX]; | |
| 104 StringTable Type::stringtable; | |
| 105 | |
| 106 | |
| 107 Type::Type(TY ty, Type *next) | |
| 108 { | |
| 109 this->ty = ty; | |
| 110 this->next = next; | |
| 111 this->deco = NULL; | |
| 112 this->pto = NULL; | |
| 113 this->rto = NULL; | |
| 114 this->arrayof = NULL; | |
| 115 this->vtinfo = NULL; | |
| 116 this->ctype = NULL; | |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
117 this->llvmType = NULL; |
| 1 | 118 } |
| 119 | |
| 120 Type *Type::syntaxCopy() | |
| 121 { | |
| 122 print(); | |
| 123 fprintf(stdmsg, "ty = %d\n", ty); | |
| 124 assert(0); | |
| 125 return this; | |
| 126 } | |
| 127 | |
| 128 int Type::equals(Object *o) | |
| 129 { Type *t; | |
| 130 | |
| 131 t = (Type *)o; | |
| 132 //printf("Type::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 133 if (this == o || | |
| 134 (t && deco == t->deco) && // deco strings are unique | |
| 135 deco != NULL) // and semantic() has been run | |
| 136 { | |
| 137 //printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 138 return 1; | |
| 139 } | |
| 140 //if (deco && t && t->deco) printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 141 return 0; | |
| 142 } | |
| 143 | |
| 144 char Type::needThisPrefix() | |
| 145 { | |
| 146 return 'M'; // name mangling prefix for functions needing 'this' | |
| 147 } | |
| 148 | |
| 149 void Type::init() | |
| 150 { int i; | |
| 151 int j; | |
| 152 | |
| 153 Lexer::initKeywords(); | |
| 154 | |
| 155 mangleChar[Tarray] = 'A'; | |
| 156 mangleChar[Tsarray] = 'G'; | |
| 157 mangleChar[Taarray] = 'H'; | |
| 158 mangleChar[Tpointer] = 'P'; | |
| 159 mangleChar[Treference] = 'R'; | |
| 160 mangleChar[Tfunction] = 'F'; | |
| 161 mangleChar[Tident] = 'I'; | |
| 162 mangleChar[Tclass] = 'C'; | |
| 163 mangleChar[Tstruct] = 'S'; | |
| 164 mangleChar[Tenum] = 'E'; | |
| 165 mangleChar[Ttypedef] = 'T'; | |
| 166 mangleChar[Tdelegate] = 'D'; | |
| 167 | |
| 168 mangleChar[Tnone] = 'n'; | |
| 169 mangleChar[Tvoid] = 'v'; | |
| 170 mangleChar[Tint8] = 'g'; | |
| 171 mangleChar[Tuns8] = 'h'; | |
| 172 mangleChar[Tint16] = 's'; | |
| 173 mangleChar[Tuns16] = 't'; | |
| 174 mangleChar[Tint32] = 'i'; | |
| 175 mangleChar[Tuns32] = 'k'; | |
| 176 mangleChar[Tint64] = 'l'; | |
| 177 mangleChar[Tuns64] = 'm'; | |
| 178 mangleChar[Tfloat32] = 'f'; | |
| 179 mangleChar[Tfloat64] = 'd'; | |
| 180 mangleChar[Tfloat80] = 'e'; | |
| 181 | |
| 182 mangleChar[Timaginary32] = 'o'; | |
| 183 mangleChar[Timaginary64] = 'p'; | |
| 184 mangleChar[Timaginary80] = 'j'; | |
| 185 mangleChar[Tcomplex32] = 'q'; | |
| 186 mangleChar[Tcomplex64] = 'r'; | |
| 187 mangleChar[Tcomplex80] = 'c'; | |
| 188 | |
| 189 mangleChar[Tbool] = 'b'; | |
| 190 mangleChar[Tascii] = 'a'; | |
| 191 mangleChar[Twchar] = 'u'; | |
| 192 mangleChar[Tdchar] = 'w'; | |
| 193 | |
| 194 mangleChar[Tbit] = '@'; | |
| 195 mangleChar[Tinstance] = '@'; | |
| 196 mangleChar[Terror] = '@'; | |
| 197 mangleChar[Ttypeof] = '@'; | |
| 198 mangleChar[Ttuple] = 'B'; | |
| 199 mangleChar[Tslice] = '@'; | |
| 200 | |
| 201 for (i = 0; i < TMAX; i++) | |
| 202 { if (!mangleChar[i]) | |
| 203 fprintf(stdmsg, "ty = %d\n", i); | |
| 204 assert(mangleChar[i]); | |
| 205 } | |
| 206 | |
| 207 // Set basic types | |
| 208 static TY basetab[] = | |
| 209 { Tvoid, Tint8, Tuns8, Tint16, Tuns16, Tint32, Tuns32, Tint64, Tuns64, | |
| 210 Tfloat32, Tfloat64, Tfloat80, | |
| 211 Timaginary32, Timaginary64, Timaginary80, | |
| 212 Tcomplex32, Tcomplex64, Tcomplex80, | |
| 213 Tbit, Tbool, | |
| 214 Tascii, Twchar, Tdchar }; | |
| 215 | |
| 216 for (i = 0; i < sizeof(basetab) / sizeof(basetab[0]); i++) | |
| 217 basic[basetab[i]] = new TypeBasic(basetab[i]); | |
| 218 basic[Terror] = basic[Tint32]; | |
| 219 | |
| 220 tvoidptr = tvoid->pointerTo(); | |
| 221 | |
| 222 if (global.params.is64bit) | |
| 223 { | |
| 224 PTRSIZE = 8; | |
| 225 #if !IN_LLVM | |
| 226 if (global.params.isLinux) | |
| 227 REALSIZE = 10; | |
| 228 else | |
| 229 REALSIZE = 8; | |
| 230 #else | |
| 231 REALSIZE = 8; | |
| 232 REALPAD = 0; | |
| 233 #endif | |
| 234 Tsize_t = Tuns64; | |
| 235 Tptrdiff_t = Tint64; | |
| 236 } | |
| 237 else | |
| 238 { | |
| 239 PTRSIZE = 4; | |
| 240 #if IN_LLVM | |
| 241 REALSIZE = 8; | |
| 242 REALPAD = 0; | |
| 243 #elif TARGET_LINUX | |
| 244 REALSIZE = 12; | |
| 245 REALPAD = 2; | |
| 246 #else | |
| 247 REALSIZE = 10; | |
| 248 REALPAD = 0; | |
| 249 #endif | |
| 250 Tsize_t = Tuns32; | |
| 251 Tptrdiff_t = Tint32; | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 d_uns64 Type::size() | |
| 256 { | |
| 257 return size(0); | |
| 258 } | |
| 259 | |
| 260 d_uns64 Type::size(Loc loc) | |
| 261 { | |
| 262 error(loc, "no size for type %s", toChars()); | |
| 263 return 1; | |
| 264 } | |
| 265 | |
| 266 unsigned Type::alignsize() | |
| 267 { | |
| 268 return size(0); | |
| 269 } | |
| 270 | |
| 271 Type *Type::semantic(Loc loc, Scope *sc) | |
| 272 { | |
| 273 if (next) | |
| 274 next = next->semantic(loc,sc); | |
| 275 return merge(); | |
| 276 } | |
| 277 | |
| 278 Type *Type::pointerTo() | |
| 279 { | |
| 280 if (!pto) | |
| 281 { Type *t; | |
| 282 | |
| 283 t = new TypePointer(this); | |
| 284 pto = t->merge(); | |
| 285 } | |
| 286 return pto; | |
| 287 } | |
| 288 | |
| 289 Type *Type::referenceTo() | |
| 290 { | |
| 291 if (!rto) | |
| 292 { Type *t; | |
| 293 | |
| 294 t = new TypeReference(this); | |
| 295 rto = t->merge(); | |
| 296 } | |
| 297 return rto; | |
| 298 } | |
| 299 | |
| 300 Type *Type::arrayOf() | |
| 301 { | |
| 302 if (!arrayof) | |
| 303 { Type *t; | |
| 304 | |
| 305 t = new TypeDArray(this); | |
| 306 arrayof = t->merge(); | |
| 307 } | |
| 308 return arrayof; | |
| 309 } | |
| 310 | |
| 311 Dsymbol *Type::toDsymbol(Scope *sc) | |
| 312 { | |
| 313 return NULL; | |
| 314 } | |
| 315 | |
| 316 /******************************* | |
| 317 * If this is a shell around another type, | |
| 318 * get that other type. | |
| 319 */ | |
| 320 | |
| 321 Type *Type::toBasetype() | |
| 322 { | |
| 323 return this; | |
| 324 } | |
| 325 | |
| 326 /******************************** | |
| 327 * Name mangling. | |
| 328 */ | |
| 329 | |
| 330 void Type::toDecoBuffer(OutBuffer *buf) | |
| 331 { | |
| 332 buf->writeByte(mangleChar[ty]); | |
| 333 if (next) | |
| 334 { | |
| 335 assert(next != this); | |
| 336 //printf("this = %p, ty = %d, next = %p, ty = %d\n", this, this->ty, next, next->ty); | |
| 337 next->toDecoBuffer(buf); | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 /******************************** | |
| 342 * Name mangling. | |
| 343 */ | |
| 344 | |
| 345 void Type::toTypeInfoBuffer(OutBuffer *buf) | |
| 346 { | |
| 347 assert(0); | |
| 348 buf->writeByte(mangleChar[ty]); | |
| 349 } | |
| 350 | |
| 351 /******************************** | |
| 352 * For pretty-printing a type. | |
| 353 */ | |
| 354 | |
| 355 char *Type::toChars() | |
| 356 { OutBuffer *buf; | |
| 357 HdrGenState hgs; | |
| 358 | |
| 359 buf = new OutBuffer(); | |
| 360 toCBuffer2(buf, NULL, &hgs); | |
| 361 return buf->toChars(); | |
| 362 } | |
| 363 | |
| 364 void Type::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 365 { | |
| 366 OutBuffer tbuf; | |
| 367 | |
| 368 toCBuffer2(&tbuf, ident, hgs); | |
| 369 buf->write(&tbuf); | |
| 370 } | |
| 371 | |
| 372 void Type::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 373 { | |
| 374 buf->prependstring(toChars()); | |
| 375 if (ident) | |
| 376 { buf->writeByte(' '); | |
| 377 buf->writestring(ident->toChars()); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 /************************************ | |
| 382 */ | |
| 383 | |
| 384 Type *Type::merge() | |
| 385 { Type *t; | |
| 386 | |
| 387 //printf("merge(%s)\n", toChars()); | |
| 388 t = this; | |
| 389 assert(t); | |
| 390 if (!deco) | |
| 391 { | |
| 392 OutBuffer buf; | |
| 393 StringValue *sv; | |
| 394 | |
| 395 if (next) | |
| 396 next = next->merge(); | |
| 397 toDecoBuffer(&buf); | |
| 398 sv = stringtable.update((char *)buf.data, buf.offset); | |
| 399 if (sv->ptrvalue) | |
| 400 { t = (Type *) sv->ptrvalue; | |
| 401 assert(t->deco); | |
| 402 //printf("old value, deco = '%s' %p\n", t->deco, t->deco); | |
| 403 } | |
| 404 else | |
| 405 { | |
| 406 sv->ptrvalue = this; | |
| 407 deco = sv->lstring.string; | |
| 408 //printf("new value, deco = '%s' %p\n", t->deco, t->deco); | |
| 409 } | |
| 410 } | |
| 411 return t; | |
| 412 } | |
| 413 | |
| 414 int Type::isbit() | |
| 415 { | |
| 416 return FALSE; | |
| 417 } | |
| 418 | |
| 419 int Type::isintegral() | |
| 420 { | |
| 421 return FALSE; | |
| 422 } | |
| 423 | |
| 424 int Type::isfloating() | |
| 425 { | |
| 426 return FALSE; | |
| 427 } | |
| 428 | |
| 429 int Type::isreal() | |
| 430 { | |
| 431 return FALSE; | |
| 432 } | |
| 433 | |
| 434 int Type::isimaginary() | |
| 435 { | |
| 436 return FALSE; | |
| 437 } | |
| 438 | |
| 439 int Type::iscomplex() | |
| 440 { | |
| 441 return FALSE; | |
| 442 } | |
| 443 | |
| 444 int Type::isscalar() | |
| 445 { | |
| 446 return FALSE; | |
| 447 } | |
| 448 | |
| 449 int Type::isunsigned() | |
| 450 { | |
| 451 return FALSE; | |
| 452 } | |
| 453 | |
| 454 ClassDeclaration *Type::isClassHandle() | |
| 455 { | |
| 456 return NULL; | |
| 457 } | |
| 458 | |
| 459 int Type::isauto() | |
| 460 { | |
| 461 return FALSE; | |
| 462 } | |
| 463 | |
| 464 int Type::isString() | |
| 465 { | |
| 466 return FALSE; | |
| 467 } | |
| 468 | |
| 469 int Type::checkBoolean() | |
| 470 { | |
| 471 return isscalar(); | |
| 472 } | |
| 473 | |
| 474 /********************************* | |
| 475 * Check type to see if it is based on a deprecated symbol. | |
| 476 */ | |
| 477 | |
| 478 void Type::checkDeprecated(Loc loc, Scope *sc) | |
| 479 { | |
| 480 Type *t; | |
| 481 Dsymbol *s; | |
| 482 | |
| 483 for (t = this; t; t = t->next) | |
| 484 { | |
| 485 s = t->toDsymbol(sc); | |
| 486 if (s) | |
| 487 s->checkDeprecated(loc, sc); | |
| 488 } | |
| 489 } | |
| 490 | |
| 491 | |
| 492 Expression *Type::defaultInit() | |
| 493 { | |
| 494 #if LOGDEFAULTINIT | |
| 495 printf("Type::defaultInit() '%s'\n", toChars()); | |
| 496 #endif | |
| 497 return NULL; | |
| 498 } | |
| 499 | |
| 500 int Type::isZeroInit() | |
| 501 { | |
| 502 return 0; // assume not | |
| 503 } | |
| 504 | |
| 505 int Type::isBaseOf(Type *t, int *poffset) | |
| 506 { | |
| 507 return 0; // assume not | |
| 508 } | |
| 509 | |
| 510 /******************************** | |
| 511 * Determine if 'this' can be implicitly converted | |
| 512 * to type 'to'. | |
| 513 * Returns: | |
| 514 * 0 can't convert | |
| 515 * 1 can convert using implicit conversions | |
| 516 * 2 this and to are the same type | |
| 517 */ | |
| 518 | |
| 519 MATCH Type::implicitConvTo(Type *to) | |
| 520 { | |
| 521 //printf("Type::implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 522 //printf("\tthis->next=%p, to->next=%p\n", this->next, to->next); | |
| 523 if (this == to) | |
| 524 return MATCHexact; | |
| 525 // if (to->ty == Tvoid) | |
| 526 // return 1; | |
| 527 return MATCHnomatch; | |
| 528 } | |
| 529 | |
| 530 Expression *Type::getProperty(Loc loc, Identifier *ident) | |
| 531 { Expression *e; | |
| 532 | |
| 533 #if LOGDOTEXP | |
| 534 printf("Type::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 535 #endif | |
| 536 if (ident == Id::__sizeof) | |
| 537 { | |
| 538 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 539 } | |
| 540 else if (ident == Id::size) | |
| 541 { | |
| 542 error(loc, ".size property should be replaced with .sizeof"); | |
| 543 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 544 } | |
| 545 else if (ident == Id::alignof) | |
| 546 { | |
| 547 e = new IntegerExp(loc, alignsize(), Type::tsize_t); | |
| 548 } | |
| 549 else if (ident == Id::typeinfo) | |
| 550 { | |
| 551 if (!global.params.useDeprecated) | |
| 552 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 553 e = getTypeInfo(NULL); | |
| 554 } | |
| 555 else if (ident == Id::init) | |
| 556 { | |
| 557 e = defaultInit(); | |
| 558 e->loc = loc; | |
| 559 } | |
| 560 else if (ident == Id::mangleof) | |
| 561 { | |
| 562 assert(deco); | |
| 563 e = new StringExp(loc, deco, strlen(deco), 'c'); | |
| 564 Scope sc; | |
| 565 e = e->semantic(&sc); | |
| 566 } | |
| 567 else if (ident == Id::stringof) | |
| 568 { char *s = toChars(); | |
| 569 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 570 Scope sc; | |
| 571 e = e->semantic(&sc); | |
| 572 } | |
| 573 else | |
| 574 { | |
| 575 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars()); | |
| 576 e = new IntegerExp(loc, 1, Type::tint32); | |
| 577 } | |
| 578 return e; | |
| 579 } | |
| 580 | |
| 581 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 582 { VarDeclaration *v = NULL; | |
| 583 | |
| 584 #if LOGDOTEXP | |
| 585 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 586 #endif | |
| 587 if (e->op == TOKdotvar) | |
| 588 { | |
| 589 DotVarExp *dv = (DotVarExp *)e; | |
| 590 v = dv->var->isVarDeclaration(); | |
| 591 } | |
| 592 else if (e->op == TOKvar) | |
| 593 { | |
| 594 VarExp *ve = (VarExp *)e; | |
| 595 v = ve->var->isVarDeclaration(); | |
| 596 } | |
| 597 if (v) | |
| 598 { | |
| 599 if (ident == Id::offset) | |
| 600 { | |
| 601 if (!global.params.useDeprecated) | |
| 602 error(e->loc, ".offset deprecated, use .offsetof"); | |
| 603 goto Loffset; | |
| 604 } | |
| 605 else if (ident == Id::offsetof) | |
| 606 { | |
| 607 Loffset: | |
| 608 if (v->storage_class & STCfield) | |
| 609 { | |
| 610 e = new IntegerExp(e->loc, v->offset, Type::tsize_t); | |
| 611 return e; | |
| 612 } | |
| 613 } | |
| 614 else if (ident == Id::init) | |
| 615 { | |
| 616 #if 0 | |
| 617 if (v->init) | |
| 618 { | |
| 619 if (v->init->isVoidInitializer()) | |
| 620 error(e->loc, "%s.init is void", v->toChars()); | |
| 621 else | |
| 622 { Loc loc = e->loc; | |
| 623 e = v->init->toExpression(); | |
| 624 if (e->op == TOKassign || e->op == TOKconstruct) | |
| 625 { | |
| 626 e = ((AssignExp *)e)->e2; | |
| 627 | |
| 628 /* Take care of case where we used a 0 | |
| 629 * to initialize the struct. | |
| 630 */ | |
| 631 if (e->type == Type::tint32 && | |
| 632 e->isBool(0) && | |
| 633 v->type->toBasetype()->ty == Tstruct) | |
| 634 { | |
| 635 e = v->type->defaultInit(); | |
| 636 } | |
| 637 } | |
| 638 e = e->optimize(WANTvalue | WANTinterpret); | |
| 639 // if (!e->isConst()) | |
| 640 // error(loc, ".init cannot be evaluated at compile time"); | |
| 641 } | |
| 642 return e; | |
| 643 } | |
| 644 #endif | |
| 645 return defaultInit(); | |
| 646 } | |
| 647 } | |
| 648 if (ident == Id::typeinfo) | |
| 649 { | |
| 650 if (!global.params.useDeprecated) | |
| 651 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 652 e = getTypeInfo(sc); | |
| 653 return e; | |
| 654 } | |
| 655 if (ident == Id::stringof) | |
| 656 { char *s = e->toChars(); | |
| 657 e = new StringExp(e->loc, s, strlen(s), 'c'); | |
| 658 Scope sc; | |
| 659 e = e->semantic(&sc); | |
| 660 return e; | |
| 661 } | |
| 662 return getProperty(e->loc, ident); | |
| 663 } | |
| 664 | |
| 665 unsigned Type::memalign(unsigned salign) | |
| 666 { | |
| 667 return salign; | |
| 668 } | |
| 669 | |
| 670 void Type::error(Loc loc, const char *format, ...) | |
| 671 { | |
| 672 va_list ap; | |
| 673 va_start(ap, format); | |
| 674 ::verror(loc, format, ap); | |
| 675 va_end( ap ); | |
| 676 } | |
| 677 | |
| 678 Identifier *Type::getTypeInfoIdent(int internal) | |
| 679 { | |
| 680 // _init_10TypeInfo_%s | |
| 681 OutBuffer buf; | |
| 682 Identifier *id; | |
| 683 char *name; | |
| 684 int len; | |
| 685 | |
| 686 //toTypeInfoBuffer(&buf); | |
| 687 if (internal) | |
| 688 { buf.writeByte(mangleChar[ty]); | |
| 689 if (ty == Tarray) | |
| 690 buf.writeByte(mangleChar[next->ty]); | |
| 691 } | |
| 692 else | |
| 693 toDecoBuffer(&buf); | |
| 694 len = buf.offset; | |
| 695 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1); | |
| 696 buf.writeByte(0); | |
| 697 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data); | |
| 698 if (global.params.isWindows) | |
| 699 name++; // C mangling will add it back in | |
| 700 //printf("name = %s\n", name); | |
| 701 id = Lexer::idPool(name); | |
| 702 return id; | |
| 703 } | |
| 704 | |
| 705 TypeBasic *Type::isTypeBasic() | |
| 706 { | |
| 707 return NULL; | |
| 708 } | |
| 709 | |
| 710 | |
| 711 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 712 { | |
| 713 Type *t; | |
| 714 | |
| 715 t = semantic(loc, sc); | |
| 716 *pt = t; | |
| 717 *pe = NULL; | |
| 718 *ps = NULL; | |
| 719 } | |
| 720 | |
| 721 /******************************* | |
| 722 * If one of the subtypes of this type is a TypeIdentifier, | |
| 723 * i.e. it's an unresolved type, return that type. | |
| 724 */ | |
| 725 | |
| 726 Type *Type::reliesOnTident() | |
| 727 { | |
| 728 if (!next) | |
| 729 return NULL; | |
| 730 else | |
| 731 return next->reliesOnTident(); | |
| 732 } | |
| 733 | |
| 734 /******************************** | |
| 735 * We've mistakenly parsed this as a type. | |
| 736 * Redo it as an Expression. | |
| 737 * NULL if cannot. | |
| 738 */ | |
| 739 | |
| 740 Expression *Type::toExpression() | |
| 741 { | |
| 742 return NULL; | |
| 743 } | |
| 744 | |
| 745 /*************************************** | |
| 746 * Return !=0 if type has pointers that need to | |
| 747 * be scanned by the GC during a collection cycle. | |
| 748 */ | |
| 749 | |
| 750 int Type::hasPointers() | |
| 751 { | |
| 752 return FALSE; | |
| 753 } | |
| 754 | |
| 755 /* ============================= TypeBasic =========================== */ | |
| 756 | |
| 757 TypeBasic::TypeBasic(TY ty) | |
| 758 : Type(ty, NULL) | |
| 759 { char *c; | |
| 760 char *d; | |
| 761 unsigned flags; | |
| 762 | |
| 763 #define TFLAGSintegral 1 | |
| 764 #define TFLAGSfloating 2 | |
| 765 #define TFLAGSunsigned 4 | |
| 766 #define TFLAGSreal 8 | |
| 767 #define TFLAGSimaginary 0x10 | |
| 768 #define TFLAGScomplex 0x20 | |
| 769 | |
| 770 flags = 0; | |
| 771 switch (ty) | |
| 772 { | |
| 773 case Tvoid: d = Token::toChars(TOKvoid); | |
| 774 c = "void"; | |
| 775 break; | |
| 776 | |
| 777 case Tint8: d = Token::toChars(TOKint8); | |
| 778 c = "byte"; | |
| 779 flags |= TFLAGSintegral; | |
| 780 break; | |
| 781 | |
| 782 case Tuns8: d = Token::toChars(TOKuns8); | |
| 783 c = "ubyte"; | |
| 784 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 785 break; | |
| 786 | |
| 787 case Tint16: d = Token::toChars(TOKint16); | |
| 788 c = "short"; | |
| 789 flags |= TFLAGSintegral; | |
| 790 break; | |
| 791 | |
| 792 case Tuns16: d = Token::toChars(TOKuns16); | |
| 793 c = "ushort"; | |
| 794 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 795 break; | |
| 796 | |
| 797 case Tint32: d = Token::toChars(TOKint32); | |
| 798 c = "int"; | |
| 799 flags |= TFLAGSintegral; | |
| 800 break; | |
| 801 | |
| 802 case Tuns32: d = Token::toChars(TOKuns32); | |
| 803 c = "uint"; | |
| 804 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 805 break; | |
| 806 | |
| 807 case Tfloat32: d = Token::toChars(TOKfloat32); | |
| 808 c = "float"; | |
| 809 flags |= TFLAGSfloating | TFLAGSreal; | |
| 810 break; | |
| 811 | |
| 812 case Tint64: d = Token::toChars(TOKint64); | |
| 813 c = "long"; | |
| 814 flags |= TFLAGSintegral; | |
| 815 break; | |
| 816 | |
| 817 case Tuns64: d = Token::toChars(TOKuns64); | |
| 818 c = "ulong"; | |
| 819 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 820 break; | |
| 821 | |
| 822 case Tfloat64: d = Token::toChars(TOKfloat64); | |
| 823 c = "double"; | |
| 824 flags |= TFLAGSfloating | TFLAGSreal; | |
| 825 break; | |
| 826 | |
| 827 case Tfloat80: d = Token::toChars(TOKfloat80); | |
| 828 c = "real"; | |
| 829 flags |= TFLAGSfloating | TFLAGSreal; | |
| 830 break; | |
| 831 | |
| 832 case Timaginary32: d = Token::toChars(TOKimaginary32); | |
| 833 c = "ifloat"; | |
| 834 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 835 break; | |
| 836 | |
| 837 case Timaginary64: d = Token::toChars(TOKimaginary64); | |
| 838 c = "idouble"; | |
| 839 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 840 break; | |
| 841 | |
| 842 case Timaginary80: d = Token::toChars(TOKimaginary80); | |
| 843 c = "ireal"; | |
| 844 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 845 break; | |
| 846 | |
| 847 case Tcomplex32: d = Token::toChars(TOKcomplex32); | |
| 848 c = "cfloat"; | |
| 849 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 850 break; | |
| 851 | |
| 852 case Tcomplex64: d = Token::toChars(TOKcomplex64); | |
| 853 c = "cdouble"; | |
| 854 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 855 break; | |
| 856 | |
| 857 case Tcomplex80: d = Token::toChars(TOKcomplex80); | |
| 858 c = "creal"; | |
| 859 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 860 break; | |
| 861 | |
| 862 | |
| 863 case Tbit: d = Token::toChars(TOKbit); | |
| 864 c = "bit"; | |
| 865 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 866 break; | |
| 867 | |
| 868 case Tbool: d = "bool"; | |
| 869 c = d; | |
| 870 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 871 break; | |
| 872 | |
| 873 case Tascii: d = Token::toChars(TOKchar); | |
| 874 c = "char"; | |
| 875 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 876 break; | |
| 877 | |
| 878 case Twchar: d = Token::toChars(TOKwchar); | |
| 879 c = "wchar"; | |
| 880 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 881 break; | |
| 882 | |
| 883 case Tdchar: d = Token::toChars(TOKdchar); | |
| 884 c = "dchar"; | |
| 885 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 886 break; | |
| 887 | |
| 888 default: assert(0); | |
| 889 } | |
| 890 this->dstring = d; | |
| 891 this->cstring = c; | |
| 892 this->flags = flags; | |
| 893 merge(); | |
| 894 } | |
| 895 | |
| 896 Type *TypeBasic::syntaxCopy() | |
| 897 { | |
| 898 // No semantic analysis done on basic types, no need to copy | |
| 899 return this; | |
| 900 } | |
| 901 | |
| 902 | |
| 903 char *TypeBasic::toChars() | |
| 904 { | |
| 905 return dstring; | |
| 906 } | |
| 907 | |
| 908 void TypeBasic::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 909 { | |
| 910 buf->prependstring(cstring); | |
| 911 if (ident) | |
| 912 { buf->writeByte(' '); | |
| 913 buf->writestring(ident->toChars()); | |
| 914 } | |
| 915 } | |
| 916 | |
| 917 d_uns64 TypeBasic::size(Loc loc) | |
| 918 { unsigned size; | |
| 919 | |
| 920 //printf("TypeBasic::size()\n"); | |
| 921 switch (ty) | |
| 922 { | |
| 923 case Tint8: | |
| 924 case Tuns8: size = 1; break; | |
| 925 case Tint16: | |
| 926 case Tuns16: size = 2; break; | |
| 927 case Tint32: | |
| 928 case Tuns32: | |
| 929 case Tfloat32: | |
| 930 case Timaginary32: | |
| 931 size = 4; break; | |
| 932 case Tint64: | |
| 933 case Tuns64: | |
| 934 case Tfloat64: | |
| 935 case Timaginary64: | |
| 936 size = 8; break; | |
| 937 case Tfloat80: | |
| 938 case Timaginary80: | |
| 939 size = REALSIZE; break; | |
| 940 case Tcomplex32: | |
| 941 size = 8; break; | |
| 942 case Tcomplex64: | |
| 943 size = 16; break; | |
| 944 case Tcomplex80: | |
| 945 size = REALSIZE * 2; break; | |
| 946 | |
| 947 case Tvoid: | |
| 948 //size = Type::size(); // error message | |
| 949 size = 1; | |
| 950 break; | |
| 951 | |
| 952 case Tbit: size = 1; break; | |
| 953 case Tbool: size = 1; break; | |
| 954 case Tascii: size = 1; break; | |
| 955 case Twchar: size = 2; break; | |
| 956 case Tdchar: size = 4; break; | |
| 957 | |
| 958 default: | |
| 959 assert(0); | |
| 960 break; | |
| 961 } | |
| 962 //printf("TypeBasic::size() = %d\n", size); | |
| 963 return size; | |
| 964 } | |
| 965 | |
| 966 unsigned TypeBasic::alignsize() | |
| 967 { unsigned sz; | |
| 968 | |
| 969 switch (ty) | |
| 970 { | |
| 971 case Tfloat80: | |
| 972 case Timaginary80: | |
| 973 case Tcomplex80: | |
| 974 sz = REALSIZE; | |
| 975 break; | |
| 976 | |
| 977 default: | |
| 978 sz = size(0); | |
| 979 break; | |
| 980 } | |
| 981 return sz; | |
| 982 } | |
| 983 | |
| 984 | |
| 985 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident) | |
| 986 { | |
| 987 Expression *e; | |
| 988 d_int64 ivalue; | |
| 989 #ifdef IN_GCC | |
| 990 real_t fvalue; | |
| 991 #else | |
| 992 d_float80 fvalue; | |
| 993 #endif | |
| 994 | |
| 995 //printf("TypeBasic::getProperty('%s')\n", ident->toChars()); | |
| 996 if (ident == Id::max) | |
| 997 { | |
| 998 switch (ty) | |
| 999 { | |
| 1000 case Tint8: ivalue = 0x7F; goto Livalue; | |
| 1001 case Tuns8: ivalue = 0xFF; goto Livalue; | |
| 1002 case Tint16: ivalue = 0x7FFFUL; goto Livalue; | |
| 1003 case Tuns16: ivalue = 0xFFFFUL; goto Livalue; | |
| 1004 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue; | |
| 1005 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue; | |
| 1006 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue; | |
| 1007 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue; | |
| 1008 case Tbit: ivalue = 1; goto Livalue; | |
| 1009 case Tbool: ivalue = 1; goto Livalue; | |
| 1010 case Tchar: ivalue = 0xFF; goto Livalue; | |
| 1011 case Twchar: ivalue = 0xFFFFUL; goto Livalue; | |
| 1012 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue; | |
| 1013 | |
| 1014 case Tcomplex32: | |
| 1015 case Timaginary32: | |
| 1016 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue; | |
| 1017 case Tcomplex64: | |
| 1018 case Timaginary64: | |
| 1019 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue; | |
| 1020 case Tcomplex80: | |
| 1021 case Timaginary80: | |
| 1022 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue; | |
| 1023 } | |
| 1024 } | |
| 1025 else if (ident == Id::min) | |
| 1026 { | |
| 1027 switch (ty) | |
| 1028 { | |
| 1029 case Tint8: ivalue = -128; goto Livalue; | |
| 1030 case Tuns8: ivalue = 0; goto Livalue; | |
| 1031 case Tint16: ivalue = -32768; goto Livalue; | |
| 1032 case Tuns16: ivalue = 0; goto Livalue; | |
| 1033 case Tint32: ivalue = -2147483647L - 1; goto Livalue; | |
| 1034 case Tuns32: ivalue = 0; goto Livalue; | |
| 1035 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue; | |
| 1036 case Tuns64: ivalue = 0; goto Livalue; | |
| 1037 case Tbit: ivalue = 0; goto Livalue; | |
| 1038 case Tbool: ivalue = 0; goto Livalue; | |
| 1039 case Tchar: ivalue = 0; goto Livalue; | |
| 1040 case Twchar: ivalue = 0; goto Livalue; | |
| 1041 case Tdchar: ivalue = 0; goto Livalue; | |
| 1042 | |
| 1043 case Tcomplex32: | |
| 1044 case Timaginary32: | |
| 1045 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue; | |
| 1046 case Tcomplex64: | |
| 1047 case Timaginary64: | |
| 1048 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue; | |
| 1049 case Tcomplex80: | |
| 1050 case Timaginary80: | |
| 1051 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue; | |
| 1052 } | |
| 1053 } | |
| 1054 else if (ident == Id::nan) | |
| 1055 { | |
| 1056 switch (ty) | |
| 1057 { | |
| 1058 case Tcomplex32: | |
| 1059 case Tcomplex64: | |
| 1060 case Tcomplex80: | |
| 1061 case Timaginary32: | |
| 1062 case Timaginary64: | |
| 1063 case Timaginary80: | |
| 1064 case Tfloat32: | |
| 1065 case Tfloat64: | |
| 1066 case Tfloat80: | |
| 1067 { | |
| 1068 #if IN_GCC | |
| 1069 // mode doesn't matter, will be converted in RealExp anyway | |
| 1070 fvalue = real_t::getnan(real_t::LongDouble); | |
| 1071 #elif __GNUC__ | |
| 1072 // gcc nan's have the sign bit set by default, so turn it off | |
| 1073 // Need the volatile to prevent gcc from doing incorrect | |
| 1074 // constant folding. | |
| 1075 volatile d_float80 foo; | |
| 1076 foo = NAN; | |
| 1077 if (signbit(foo)) // signbit sometimes, not always, set | |
| 1078 foo = -foo; // turn off sign bit | |
| 1079 fvalue = foo; | |
| 1080 #elif _MSC_VER | |
| 1081 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF }; | |
| 1082 fvalue = *(double*)nan; | |
| 1083 #else | |
| 1084 fvalue = NAN; | |
| 1085 #endif | |
| 1086 goto Lfvalue; | |
| 1087 } | |
| 1088 } | |
| 1089 } | |
| 1090 else if (ident == Id::infinity) | |
| 1091 { | |
| 1092 switch (ty) | |
| 1093 { | |
| 1094 case Tcomplex32: | |
| 1095 case Tcomplex64: | |
| 1096 case Tcomplex80: | |
| 1097 case Timaginary32: | |
| 1098 case Timaginary64: | |
| 1099 case Timaginary80: | |
| 1100 case Tfloat32: | |
| 1101 case Tfloat64: | |
| 1102 case Tfloat80: | |
| 1103 #if IN_GCC | |
| 1104 fvalue = real_t::getinfinity(); | |
| 1105 #elif __GNUC__ | |
| 1106 fvalue = 1 / zero; | |
| 1107 #elif _MSC_VER | |
| 1108 fvalue = std::numeric_limits<long double>::infinity(); | |
| 1109 #else | |
| 1110 fvalue = INFINITY; | |
| 1111 #endif | |
| 1112 goto Lfvalue; | |
| 1113 } | |
| 1114 } | |
| 1115 else if (ident == Id::dig) | |
| 1116 { | |
| 1117 switch (ty) | |
| 1118 { | |
| 1119 case Tcomplex32: | |
| 1120 case Timaginary32: | |
| 1121 case Tfloat32: ivalue = FLT_DIG; goto Lint; | |
| 1122 case Tcomplex64: | |
| 1123 case Timaginary64: | |
| 1124 case Tfloat64: ivalue = DBL_DIG; goto Lint; | |
| 1125 case Tcomplex80: | |
| 1126 case Timaginary80: | |
| 1127 case Tfloat80: ivalue = LDBL_DIG; goto Lint; | |
| 1128 } | |
| 1129 } | |
| 1130 else if (ident == Id::epsilon) | |
| 1131 { | |
| 1132 switch (ty) | |
| 1133 { | |
| 1134 case Tcomplex32: | |
| 1135 case Timaginary32: | |
| 1136 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue; | |
| 1137 case Tcomplex64: | |
| 1138 case Timaginary64: | |
| 1139 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue; | |
| 1140 case Tcomplex80: | |
| 1141 case Timaginary80: | |
| 1142 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue; | |
| 1143 } | |
| 1144 } | |
| 1145 else if (ident == Id::mant_dig) | |
| 1146 { | |
| 1147 switch (ty) | |
| 1148 { | |
| 1149 case Tcomplex32: | |
| 1150 case Timaginary32: | |
| 1151 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint; | |
| 1152 case Tcomplex64: | |
| 1153 case Timaginary64: | |
| 1154 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint; | |
| 1155 case Tcomplex80: | |
| 1156 case Timaginary80: | |
| 1157 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint; | |
| 1158 } | |
| 1159 } | |
| 1160 else if (ident == Id::max_10_exp) | |
| 1161 { | |
| 1162 switch (ty) | |
| 1163 { | |
| 1164 case Tcomplex32: | |
| 1165 case Timaginary32: | |
| 1166 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint; | |
| 1167 case Tcomplex64: | |
| 1168 case Timaginary64: | |
| 1169 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint; | |
| 1170 case Tcomplex80: | |
| 1171 case Timaginary80: | |
| 1172 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint; | |
| 1173 } | |
| 1174 } | |
| 1175 else if (ident == Id::max_exp) | |
| 1176 { | |
| 1177 switch (ty) | |
| 1178 { | |
| 1179 case Tcomplex32: | |
| 1180 case Timaginary32: | |
| 1181 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint; | |
| 1182 case Tcomplex64: | |
| 1183 case Timaginary64: | |
| 1184 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint; | |
| 1185 case Tcomplex80: | |
| 1186 case Timaginary80: | |
| 1187 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint; | |
| 1188 } | |
| 1189 } | |
| 1190 else if (ident == Id::min_10_exp) | |
| 1191 { | |
| 1192 switch (ty) | |
| 1193 { | |
| 1194 case Tcomplex32: | |
| 1195 case Timaginary32: | |
| 1196 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint; | |
| 1197 case Tcomplex64: | |
| 1198 case Timaginary64: | |
| 1199 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint; | |
| 1200 case Tcomplex80: | |
| 1201 case Timaginary80: | |
| 1202 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint; | |
| 1203 } | |
| 1204 } | |
| 1205 else if (ident == Id::min_exp) | |
| 1206 { | |
| 1207 switch (ty) | |
| 1208 { | |
| 1209 case Tcomplex32: | |
| 1210 case Timaginary32: | |
| 1211 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint; | |
| 1212 case Tcomplex64: | |
| 1213 case Timaginary64: | |
| 1214 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint; | |
| 1215 case Tcomplex80: | |
| 1216 case Timaginary80: | |
| 1217 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint; | |
| 1218 } | |
| 1219 } | |
| 1220 | |
| 1221 Ldefault: | |
| 1222 return Type::getProperty(loc, ident); | |
| 1223 | |
| 1224 Livalue: | |
| 1225 e = new IntegerExp(loc, ivalue, this); | |
| 1226 return e; | |
| 1227 | |
| 1228 Lfvalue: | |
| 1229 if (isreal() || isimaginary()) | |
| 1230 e = new RealExp(loc, fvalue, this); | |
| 1231 else | |
| 1232 { | |
| 1233 complex_t cvalue; | |
| 1234 | |
| 1235 #if __DMC__ | |
| 1236 //((real_t *)&cvalue)[0] = fvalue; | |
| 1237 //((real_t *)&cvalue)[1] = fvalue; | |
| 1238 cvalue = fvalue + fvalue * I; | |
| 1239 #else | |
| 1240 cvalue.re = fvalue; | |
| 1241 cvalue.im = fvalue; | |
| 1242 #endif | |
| 1243 //for (int i = 0; i < 20; i++) | |
| 1244 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 1245 //printf("\n"); | |
| 1246 e = new ComplexExp(loc, cvalue, this); | |
| 1247 } | |
| 1248 return e; | |
| 1249 | |
| 1250 Lint: | |
| 1251 e = new IntegerExp(loc, ivalue, Type::tint32); | |
| 1252 return e; | |
| 1253 } | |
| 1254 | |
| 1255 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1256 { | |
| 1257 #if LOGDOTEXP | |
| 1258 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1259 #endif | |
| 1260 Type *t; | |
| 1261 | |
| 1262 if (ident == Id::re) | |
| 1263 { | |
| 1264 switch (ty) | |
| 1265 { | |
| 1266 case Tcomplex32: t = tfloat32; goto L1; | |
| 1267 case Tcomplex64: t = tfloat64; goto L1; | |
| 1268 case Tcomplex80: t = tfloat80; goto L1; | |
| 1269 L1: | |
| 1270 e = e->castTo(sc, t); | |
| 1271 break; | |
| 1272 | |
| 1273 case Tfloat32: | |
| 1274 case Tfloat64: | |
| 1275 case Tfloat80: | |
| 1276 break; | |
| 1277 | |
| 1278 case Timaginary32: t = tfloat32; goto L2; | |
| 1279 case Timaginary64: t = tfloat64; goto L2; | |
| 1280 case Timaginary80: t = tfloat80; goto L2; | |
| 1281 L2: | |
| 1282 e = new RealExp(0, 0.0, t); | |
| 1283 break; | |
| 1284 | |
| 1285 default: | |
| 1286 return Type::getProperty(e->loc, ident); | |
| 1287 } | |
| 1288 } | |
| 1289 else if (ident == Id::im) | |
| 1290 { Type *t2; | |
| 1291 | |
| 1292 switch (ty) | |
| 1293 { | |
| 1294 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 1295 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 1296 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 1297 L3: | |
| 1298 e = e->castTo(sc, t); | |
| 1299 e->type = t2; | |
| 1300 break; | |
| 1301 | |
| 1302 case Timaginary32: t = tfloat32; goto L4; | |
| 1303 case Timaginary64: t = tfloat64; goto L4; | |
| 1304 case Timaginary80: t = tfloat80; goto L4; | |
| 1305 L4: | |
| 1306 e->type = t; | |
| 1307 break; | |
| 1308 | |
| 1309 case Tfloat32: | |
| 1310 case Tfloat64: | |
| 1311 case Tfloat80: | |
| 1312 e = new RealExp(0, 0.0, this); | |
| 1313 break; | |
| 1314 | |
| 1315 default: | |
| 1316 return Type::getProperty(e->loc, ident); | |
| 1317 } | |
| 1318 } | |
| 1319 else | |
| 1320 { | |
| 1321 return Type::dotExp(sc, e, ident); | |
| 1322 } | |
| 1323 return e; | |
| 1324 } | |
| 1325 | |
| 1326 Expression *TypeBasic::defaultInit() | |
| 1327 { integer_t value = 0; | |
| 1328 | |
| 1329 #if LOGDEFAULTINIT | |
| 1330 printf("TypeBasic::defaultInit() '%s'\n", toChars()); | |
| 1331 #endif | |
| 1332 switch (ty) | |
| 1333 { | |
| 1334 case Tchar: | |
| 1335 value = 0xFF; | |
| 1336 break; | |
| 1337 | |
| 1338 case Twchar: | |
| 1339 case Tdchar: | |
| 1340 value = 0xFFFF; | |
| 1341 break; | |
| 1342 | |
| 1343 case Timaginary32: | |
| 1344 case Timaginary64: | |
| 1345 case Timaginary80: | |
| 1346 case Tfloat32: | |
| 1347 case Tfloat64: | |
| 1348 case Tfloat80: | |
| 1349 case Tcomplex32: | |
| 1350 case Tcomplex64: | |
| 1351 case Tcomplex80: | |
| 1352 return getProperty(0, Id::nan); | |
| 1353 } | |
| 1354 return new IntegerExp(0, value, this); | |
| 1355 } | |
| 1356 | |
| 1357 int TypeBasic::isZeroInit() | |
| 1358 { | |
| 1359 switch (ty) | |
| 1360 { | |
| 1361 case Tchar: | |
| 1362 case Twchar: | |
| 1363 case Tdchar: | |
| 1364 case Timaginary32: | |
| 1365 case Timaginary64: | |
| 1366 case Timaginary80: | |
| 1367 case Tfloat32: | |
| 1368 case Tfloat64: | |
| 1369 case Tfloat80: | |
| 1370 case Tcomplex32: | |
| 1371 case Tcomplex64: | |
| 1372 case Tcomplex80: | |
| 1373 return 0; // no | |
| 1374 } | |
| 1375 return 1; // yes | |
| 1376 } | |
| 1377 | |
| 1378 int TypeBasic::isbit() | |
| 1379 { | |
| 1380 return (ty == Tbit); | |
| 1381 } | |
| 1382 | |
| 1383 int TypeBasic::isintegral() | |
| 1384 { | |
| 1385 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags); | |
| 1386 return flags & TFLAGSintegral; | |
| 1387 } | |
| 1388 | |
| 1389 int TypeBasic::isfloating() | |
| 1390 { | |
| 1391 return flags & TFLAGSfloating; | |
| 1392 } | |
| 1393 | |
| 1394 int TypeBasic::isreal() | |
| 1395 { | |
| 1396 return flags & TFLAGSreal; | |
| 1397 } | |
| 1398 | |
| 1399 int TypeBasic::isimaginary() | |
| 1400 { | |
| 1401 return flags & TFLAGSimaginary; | |
| 1402 } | |
| 1403 | |
| 1404 int TypeBasic::iscomplex() | |
| 1405 { | |
| 1406 return flags & TFLAGScomplex; | |
| 1407 } | |
| 1408 | |
| 1409 int TypeBasic::isunsigned() | |
| 1410 { | |
| 1411 return flags & TFLAGSunsigned; | |
| 1412 } | |
| 1413 | |
| 1414 int TypeBasic::isscalar() | |
| 1415 { | |
| 1416 return flags & (TFLAGSintegral | TFLAGSfloating); | |
| 1417 } | |
| 1418 | |
| 1419 MATCH TypeBasic::implicitConvTo(Type *to) | |
| 1420 { | |
| 1421 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars()); | |
| 1422 if (this == to) | |
| 1423 return MATCHexact; | |
| 1424 | |
| 1425 if (ty == Tvoid || to->ty == Tvoid) | |
| 1426 return MATCHnomatch; | |
| 1427 if (1 || global.params.Dversion == 1) | |
| 1428 { | |
| 1429 if (to->ty == Tbool) | |
| 1430 return MATCHnomatch; | |
| 1431 } | |
| 1432 else | |
| 1433 { | |
| 1434 if (ty == Tbool || to->ty == Tbool) | |
| 1435 return MATCHnomatch; | |
| 1436 } | |
| 1437 if (!to->isTypeBasic()) | |
| 1438 return MATCHnomatch; | |
| 1439 | |
| 1440 TypeBasic *tob = (TypeBasic *)to; | |
| 1441 if (flags & TFLAGSintegral) | |
| 1442 { | |
| 1443 // Disallow implicit conversion of integers to imaginary or complex | |
| 1444 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex)) | |
| 1445 return MATCHnomatch; | |
| 1446 | |
| 1447 // If converting to integral | |
| 1448 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral) | |
| 1449 { d_uns64 sz = size(0); | |
| 1450 d_uns64 tosz = tob->size(0); | |
| 1451 | |
| 1452 /* Can't convert to smaller size or, if same size, change sign | |
| 1453 */ | |
| 1454 if (sz > tosz) | |
| 1455 return MATCHnomatch; | |
| 1456 | |
| 1457 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned) | |
| 1458 return MATCHnomatch;*/ | |
| 1459 } | |
| 1460 } | |
| 1461 else if (flags & TFLAGSfloating) | |
| 1462 { | |
| 1463 // Disallow implicit conversion of floating point to integer | |
| 1464 if (tob->flags & TFLAGSintegral) | |
| 1465 return MATCHnomatch; | |
| 1466 | |
| 1467 assert(tob->flags & TFLAGSfloating); | |
| 1468 | |
| 1469 // Disallow implicit conversion from complex to non-complex | |
| 1470 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex)) | |
| 1471 return MATCHnomatch; | |
| 1472 | |
| 1473 // Disallow implicit conversion of real or imaginary to complex | |
| 1474 if (flags & (TFLAGSreal | TFLAGSimaginary) && | |
| 1475 tob->flags & TFLAGScomplex) | |
| 1476 return MATCHnomatch; | |
| 1477 | |
| 1478 // Disallow implicit conversion to-from real and imaginary | |
| 1479 if ((flags & (TFLAGSreal | TFLAGSimaginary)) != | |
| 1480 (tob->flags & (TFLAGSreal | TFLAGSimaginary))) | |
| 1481 return MATCHnomatch; | |
| 1482 } | |
| 1483 return MATCHconvert; | |
| 1484 } | |
| 1485 | |
| 1486 TypeBasic *TypeBasic::isTypeBasic() | |
| 1487 { | |
| 1488 return (TypeBasic *)this; | |
| 1489 } | |
| 1490 | |
| 1491 /***************************** TypeArray *****************************/ | |
| 1492 | |
| 1493 TypeArray::TypeArray(TY ty, Type *next) | |
| 1494 : Type(ty, next) | |
| 1495 { | |
| 1496 } | |
| 1497 | |
| 1498 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1499 { | |
| 1500 Type *n = this->next->toBasetype(); // uncover any typedef's | |
| 1501 | |
| 1502 #if LOGDOTEXP | |
| 1503 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1504 #endif | |
| 1505 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar)) | |
| 1506 { | |
| 1507 Expression *ec; | |
| 1508 FuncDeclaration *fd; | |
| 1509 Expressions *arguments; | |
| 1510 char *nm; | |
| 1511 static char *name[2] = { "_adReverseChar", "_adReverseWchar" }; | |
| 1512 | |
| 1513 nm = name[n->ty == Twchar]; | |
| 1514 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
| 1515 ec = new VarExp(0, fd); | |
| 1516 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1517 arguments = new Expressions(); | |
| 1518 arguments->push(e); | |
| 1519 e = new CallExp(e->loc, ec, arguments); | |
| 1520 e->type = next->arrayOf(); | |
| 1521 } | |
| 1522 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar)) | |
| 1523 { | |
| 1524 Expression *ec; | |
| 1525 FuncDeclaration *fd; | |
| 1526 Expressions *arguments; | |
| 1527 char *nm; | |
| 1528 static char *name[2] = { "_adSortChar", "_adSortWchar" }; | |
| 1529 | |
| 1530 nm = name[n->ty == Twchar]; | |
| 1531 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
| 1532 ec = new VarExp(0, fd); | |
| 1533 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1534 arguments = new Expressions(); | |
| 1535 arguments->push(e); | |
| 1536 e = new CallExp(e->loc, ec, arguments); | |
| 1537 e->type = next->arrayOf(); | |
| 1538 } | |
| 1539 else if (ident == Id::reverse || ident == Id::dup) | |
| 1540 { | |
| 1541 Expression *ec; | |
| 1542 FuncDeclaration *fd; | |
| 1543 Expressions *arguments; | |
| 1544 int size = next->size(e->loc); | |
| 1545 int dup; | |
| 1546 | |
| 1547 assert(size); | |
| 1548 dup = (ident == Id::dup); | |
| 1549 fd = FuncDeclaration::genCfunc(Type::tindex, dup ? Id::adDup : Id::adReverse); | |
| 1550 ec = new VarExp(0, fd); | |
| 1551 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1552 arguments = new Expressions(); | |
| 1553 if (dup) | |
| 1554 arguments->push(getTypeInfo(sc)); | |
| 1555 arguments->push(e); | |
| 1556 if (!dup) | |
| 1557 arguments->push(new IntegerExp(0, size, Type::tint32)); | |
| 1558 e = new CallExp(e->loc, ec, arguments); | |
| 1559 e->type = next->arrayOf(); | |
| 1560 } | |
| 1561 else if (ident == Id::sort) | |
| 1562 { | |
| 1563 Expression *ec; | |
| 1564 FuncDeclaration *fd; | |
| 1565 Expressions *arguments; | |
| 1566 | |
| 1567 fd = FuncDeclaration::genCfunc(tint32->arrayOf(), | |
| 1568 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort")); | |
| 1569 ec = new VarExp(0, fd); | |
| 1570 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1571 arguments = new Expressions(); | |
| 1572 arguments->push(e); | |
| 1573 if (next->ty != Tbit) | |
| 1574 arguments->push(n->ty == Tsarray | |
| 1575 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1576 : n->getInternalTypeInfo(sc)); | |
| 1577 e = new CallExp(e->loc, ec, arguments); | |
| 1578 e->type = next->arrayOf(); | |
| 1579 } | |
| 1580 else | |
| 1581 { | |
| 1582 e = Type::dotExp(sc, e, ident); | |
| 1583 } | |
| 1584 return e; | |
| 1585 } | |
| 1586 | |
| 1587 void TypeArray::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 1588 { | |
| 1589 #if 1 | |
| 1590 OutBuffer buf2; | |
| 1591 toPrettyBracket(&buf2, hgs); | |
| 1592 buf->prependstring(buf2.toChars()); | |
| 1593 if (ident) | |
| 1594 { | |
| 1595 buf->writeByte(' '); | |
| 1596 buf->writestring(ident->toChars()); | |
| 1597 } | |
| 1598 next->toCBuffer2(buf, NULL, hgs); | |
| 1599 #elif 1 | |
| 1600 // The D way | |
| 1601 Type *t; | |
| 1602 OutBuffer buf2; | |
| 1603 for (t = this; 1; t = t->next) | |
| 1604 { TypeArray *ta; | |
| 1605 | |
| 1606 ta = dynamic_cast<TypeArray *>(t); | |
| 1607 if (!ta) | |
| 1608 break; | |
| 1609 ta->toPrettyBracket(&buf2, hgs); | |
| 1610 } | |
| 1611 buf->prependstring(buf2.toChars()); | |
| 1612 if (ident) | |
| 1613 { | |
| 1614 buf2.writestring(ident->toChars()); | |
| 1615 } | |
| 1616 t->toCBuffer2(buf, NULL, hgs); | |
| 1617 #else | |
| 1618 // The C way | |
| 1619 if (buf->offset) | |
| 1620 { buf->bracket('(', ')'); | |
| 1621 assert(!ident); | |
| 1622 } | |
| 1623 else if (ident) | |
| 1624 buf->writestring(ident->toChars()); | |
| 1625 Type *t = this; | |
| 1626 do | |
| 1627 { Expression *dim; | |
| 1628 buf->writeByte('['); | |
| 1629 dim = ((TypeSArray *)t)->dim; | |
| 1630 if (dim) | |
| 1631 buf->printf("%lld", dim->toInteger()); | |
| 1632 buf->writeByte(']'); | |
| 1633 t = t->next; | |
| 1634 } while (t->ty == Tsarray); | |
| 1635 t->toCBuffer2(buf, NULL, hgs); | |
| 1636 #endif | |
| 1637 } | |
| 1638 | |
| 1639 | |
| 1640 /***************************** TypeSArray *****************************/ | |
| 1641 | |
| 1642 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1643 : TypeArray(Tsarray, t) | |
| 1644 { | |
| 1645 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1646 this->dim = dim; | |
| 1647 } | |
| 1648 | |
| 1649 Type *TypeSArray::syntaxCopy() | |
| 1650 { | |
| 1651 Type *t = next->syntaxCopy(); | |
| 1652 Expression *e = dim->syntaxCopy(); | |
| 1653 t = new TypeSArray(t, e); | |
| 1654 return t; | |
| 1655 } | |
| 1656 | |
| 1657 d_uns64 TypeSArray::size(Loc loc) | |
| 1658 { integer_t sz; | |
| 1659 | |
| 1660 if (!dim) | |
| 1661 return Type::size(loc); | |
| 1662 sz = dim->toInteger(); | |
| 1663 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1664 { | |
| 1665 if (sz + 31 < sz) | |
| 1666 goto Loverflow; | |
| 1667 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1668 } | |
| 1669 else | |
| 1670 { integer_t n, n2; | |
| 1671 | |
| 1672 n = next->size(); | |
| 1673 n2 = n * sz; | |
| 1674 if (n && (n2 / n) != sz) | |
| 1675 goto Loverflow; | |
| 1676 sz = n2; | |
| 1677 } | |
| 1678 return sz; | |
| 1679 | |
| 1680 Loverflow: | |
| 1681 error(loc, "index %jd overflow for static array", sz); | |
| 1682 return 1; | |
| 1683 } | |
| 1684 | |
| 1685 unsigned TypeSArray::alignsize() | |
| 1686 { | |
| 1687 return next->alignsize(); | |
| 1688 } | |
| 1689 | |
| 1690 /************************** | |
| 1691 * This evaluates exp while setting length to be the number | |
| 1692 * of elements in the tuple t. | |
| 1693 */ | |
| 1694 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1695 { | |
| 1696 if (t->ty == Ttuple) | |
| 1697 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1698 sym->parent = sc->scopesym; | |
| 1699 sc = sc->push(sym); | |
| 1700 | |
| 1701 exp = exp->semantic(sc); | |
| 1702 | |
| 1703 sc->pop(); | |
| 1704 } | |
| 1705 else | |
| 1706 exp = exp->semantic(sc); | |
| 1707 return exp; | |
| 1708 } | |
| 1709 | |
| 1710 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1711 { | |
| 1712 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1713 sym->parent = sc->scopesym; | |
| 1714 sc = sc->push(sym); | |
| 1715 | |
| 1716 exp = exp->semantic(sc); | |
| 1717 | |
| 1718 sc->pop(); | |
| 1719 return exp; | |
| 1720 } | |
| 1721 | |
| 1722 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1723 { | |
| 1724 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1725 next->resolve(loc, sc, pe, pt, ps); | |
| 1726 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1727 if (*pe) | |
| 1728 { // It's really an index expression | |
| 1729 Expression *e; | |
| 1730 e = new IndexExp(loc, *pe, dim); | |
| 1731 *pe = e; | |
| 1732 } | |
| 1733 else if (*ps) | |
| 1734 { Dsymbol *s = *ps; | |
| 1735 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1736 if (td) | |
| 1737 { | |
| 1738 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1739 sym->parent = sc->scopesym; | |
| 1740 sc = sc->push(sym); | |
| 1741 | |
| 1742 dim = dim->semantic(sc); | |
| 1743 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1744 uinteger_t d = dim->toUInteger(); | |
| 1745 | |
| 1746 sc = sc->pop(); | |
| 1747 | |
| 1748 if (d >= td->objects->dim) | |
| 1749 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1750 goto Ldefault; | |
| 1751 } | |
| 1752 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1753 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1754 { | |
| 1755 *ps = (Dsymbol *)o; | |
| 1756 return; | |
| 1757 } | |
| 1758 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1759 { | |
| 1760 *ps = NULL; | |
| 1761 *pe = (Expression *)o; | |
| 1762 return; | |
| 1763 } | |
| 1764 | |
| 1765 /* Create a new TupleDeclaration which | |
| 1766 * is a slice [d..d+1] out of the old one. | |
| 1767 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1768 * can handle unresolved Objects this way. | |
| 1769 */ | |
| 1770 Objects *objects = new Objects; | |
| 1771 objects->setDim(1); | |
| 1772 objects->data[0] = o; | |
| 1773 | |
| 1774 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1775 *ps = tds; | |
| 1776 } | |
| 1777 else | |
| 1778 goto Ldefault; | |
| 1779 } | |
| 1780 else | |
| 1781 { | |
| 1782 Ldefault: | |
| 1783 Type::resolve(loc, sc, pe, pt, ps); | |
| 1784 } | |
| 1785 } | |
| 1786 | |
| 1787 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1788 { | |
| 1789 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1790 | |
| 1791 Type *t; | |
| 1792 Expression *e; | |
| 1793 Dsymbol *s; | |
| 1794 next->resolve(loc, sc, &e, &t, &s); | |
| 1795 if (dim && s && s->isTupleDeclaration()) | |
| 1796 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1797 | |
| 1798 dim = semanticLength(sc, sd, dim); | |
| 1799 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1800 uinteger_t d = dim->toUInteger(); | |
| 1801 | |
| 1802 if (d >= sd->objects->dim) | |
| 1803 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1804 return Type::terror; | |
| 1805 } | |
| 1806 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1807 if (o->dyncast() != DYNCAST_TYPE) | |
| 1808 { error(loc, "%s is not a type", toChars()); | |
| 1809 return Type::terror; | |
| 1810 } | |
| 1811 t = (Type *)o; | |
| 1812 return t; | |
| 1813 } | |
| 1814 | |
| 1815 next = next->semantic(loc,sc); | |
| 1816 Type *tbn = next->toBasetype(); | |
| 1817 | |
| 1818 if (dim) | |
| 1819 { integer_t n, n2; | |
| 1820 | |
| 1821 dim = semanticLength(sc, tbn, dim); | |
| 1822 | |
| 1823 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1824 integer_t d1 = dim->toInteger(); | |
| 1825 dim = dim->castTo(sc, tsize_t); | |
| 1826 dim = dim->optimize(WANTvalue); | |
| 1827 integer_t d2 = dim->toInteger(); | |
| 1828 | |
| 1829 if (d1 != d2) | |
| 1830 goto Loverflow; | |
| 1831 | |
| 1832 if (tbn->isintegral() || | |
| 1833 tbn->isfloating() || | |
| 1834 tbn->ty == Tpointer || | |
| 1835 tbn->ty == Tarray || | |
| 1836 tbn->ty == Tsarray || | |
| 1837 tbn->ty == Taarray || | |
| 1838 tbn->ty == Tclass) | |
| 1839 { | |
| 1840 /* Only do this for types that don't need to have semantic() | |
| 1841 * run on them for the size, since they may be forward referenced. | |
| 1842 */ | |
| 1843 n = tbn->size(loc); | |
| 1844 n2 = n * d2; | |
| 1845 if ((int)n2 < 0) | |
| 1846 goto Loverflow; | |
| 1847 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1848 goto Loverflow; | |
| 1849 if (n && n2 / n != d2) | |
| 1850 { | |
| 1851 Loverflow: | |
| 1852 error(loc, "index %jd overflow for static array", d1); | |
| 1853 dim = new IntegerExp(0, 1, tsize_t); | |
| 1854 } | |
| 1855 } | |
| 1856 } | |
| 1857 switch (tbn->ty) | |
| 1858 { | |
| 1859 case Ttuple: | |
| 1860 { // Index the tuple to get the type | |
| 1861 assert(dim); | |
| 1862 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1863 uinteger_t d = dim->toUInteger(); | |
| 1864 | |
| 1865 if (d >= tt->arguments->dim) | |
| 1866 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1867 return Type::terror; | |
| 1868 } | |
| 1869 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1870 return arg->type; | |
| 1871 } | |
| 1872 case Tfunction: | |
| 1873 case Tnone: | |
| 1874 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1875 tbn = next = tint32; | |
| 1876 break; | |
| 1877 } | |
| 1878 if (tbn->isauto()) | |
| 1879 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1880 return merge(); | |
| 1881 } | |
| 1882 | |
| 1883 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1884 { | |
| 1885 buf->writeByte(mangleChar[ty]); | |
| 1886 if (dim) | |
| 1887 buf->printf("%ju", dim->toInteger()); | |
| 1888 if (next) | |
| 1889 next->toDecoBuffer(buf); | |
| 1890 } | |
| 1891 | |
| 1892 void TypeSArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 1893 { | |
| 1894 buf->writeByte(mangleChar[Tarray]); | |
| 1895 if (next) | |
| 1896 next->toTypeInfoBuffer(buf); | |
| 1897 } | |
| 1898 | |
| 1899 void TypeSArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 1900 { | |
| 1901 buf->printf("[%s]", dim->toChars()); | |
| 1902 } | |
| 1903 | |
| 1904 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1905 { | |
| 1906 #if LOGDOTEXP | |
| 1907 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1908 #endif | |
| 1909 if (ident == Id::length) | |
| 1910 { | |
| 1911 e = dim; | |
| 1912 } | |
| 1913 else if (ident == Id::ptr) | |
| 1914 { | |
| 1915 e = e->castTo(sc, next->pointerTo()); | |
| 1916 } | |
| 1917 else | |
| 1918 { | |
| 1919 e = TypeArray::dotExp(sc, e, ident); | |
| 1920 } | |
| 1921 return e; | |
| 1922 } | |
| 1923 | |
| 1924 int TypeSArray::isString() | |
| 1925 { | |
| 1926 TY nty = next->toBasetype()->ty; | |
| 1927 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1928 } | |
| 1929 | |
| 1930 unsigned TypeSArray::memalign(unsigned salign) | |
| 1931 { | |
| 1932 return next->memalign(salign); | |
| 1933 } | |
| 1934 | |
| 1935 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1936 { | |
| 1937 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1938 | |
| 1939 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1940 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1941 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1942 /*|| to->next->isBaseOf(next)*/)) | |
| 1943 { | |
| 1944 return MATCHconvert; | |
| 1945 } | |
| 1946 if (to->ty == Tarray) | |
| 1947 { int offset = 0; | |
| 1948 | |
| 1949 if (next->equals(to->next) || | |
| 1950 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1951 to->next->ty == Tvoid) | |
| 1952 return MATCHconvert; | |
| 1953 } | |
| 1954 #if 0 | |
| 1955 if (to->ty == Tsarray) | |
| 1956 { | |
| 1957 TypeSArray *tsa = (TypeSArray *)to; | |
| 1958 | |
| 1959 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1960 { | |
| 1961 return MATCHconvert; | |
| 1962 } | |
| 1963 } | |
| 1964 #endif | |
| 1965 return Type::implicitConvTo(to); | |
| 1966 } | |
| 1967 | |
| 1968 Expression *TypeSArray::defaultInit() | |
| 1969 { | |
| 1970 #if LOGDEFAULTINIT | |
| 1971 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1972 #endif | |
| 1973 return next->defaultInit(); | |
| 1974 } | |
| 1975 | |
| 1976 int TypeSArray::isZeroInit() | |
| 1977 { | |
| 1978 return next->isZeroInit(); | |
| 1979 } | |
| 1980 | |
| 1981 | |
| 1982 Expression *TypeSArray::toExpression() | |
| 1983 { | |
| 1984 Expression *e = next->toExpression(); | |
| 1985 if (e) | |
| 1986 { Expressions *arguments = new Expressions(); | |
| 1987 arguments->push(dim); | |
| 1988 e = new ArrayExp(dim->loc, e, arguments); | |
| 1989 } | |
| 1990 return e; | |
| 1991 } | |
| 1992 | |
| 1993 int TypeSArray::hasPointers() | |
| 1994 { | |
| 1995 return next->hasPointers(); | |
| 1996 } | |
| 1997 | |
| 1998 /***************************** TypeDArray *****************************/ | |
| 1999 | |
| 2000 TypeDArray::TypeDArray(Type *t) | |
| 2001 : TypeArray(Tarray, t) | |
| 2002 { | |
| 2003 //printf("TypeDArray(t = %p)\n", t); | |
| 2004 } | |
| 2005 | |
| 2006 Type *TypeDArray::syntaxCopy() | |
| 2007 { | |
| 2008 Type *t = next->syntaxCopy(); | |
| 2009 if (t == next) | |
| 2010 t = this; | |
| 2011 else | |
| 2012 t = new TypeDArray(t); | |
| 2013 return t; | |
| 2014 } | |
| 2015 | |
| 2016 d_uns64 TypeDArray::size(Loc loc) | |
| 2017 { | |
| 2018 //printf("TypeDArray::size()\n"); | |
| 2019 return PTRSIZE * 2; | |
| 2020 } | |
| 2021 | |
| 2022 unsigned TypeDArray::alignsize() | |
| 2023 { | |
| 2024 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 2025 // boundary | |
| 2026 return PTRSIZE; | |
| 2027 } | |
| 2028 | |
| 2029 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2030 { Type *tn = next; | |
| 2031 | |
| 2032 tn = next->semantic(loc,sc); | |
| 2033 Type *tbn = tn->toBasetype(); | |
| 2034 switch (tbn->ty) | |
| 2035 { | |
| 2036 case Tfunction: | |
| 2037 case Tnone: | |
| 2038 case Ttuple: | |
| 2039 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2040 tn = next = tint32; | |
| 2041 break; | |
| 2042 } | |
| 2043 if (tn->isauto()) | |
| 2044 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2045 if (next != tn) | |
| 2046 //deco = NULL; // redo | |
| 2047 return tn->arrayOf(); | |
| 2048 return merge(); | |
| 2049 } | |
| 2050 | |
| 2051 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2052 { | |
| 2053 buf->writeByte(mangleChar[ty]); | |
| 2054 if (next) | |
| 2055 next->toDecoBuffer(buf); | |
| 2056 } | |
| 2057 | |
| 2058 void TypeDArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 2059 { | |
| 2060 buf->writeByte(mangleChar[ty]); | |
| 2061 if (next) | |
| 2062 next->toTypeInfoBuffer(buf); | |
| 2063 } | |
| 2064 | |
| 2065 void TypeDArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2066 { | |
| 2067 buf->writestring("[]"); | |
| 2068 } | |
| 2069 | |
| 2070 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2071 { | |
| 2072 #if LOGDOTEXP | |
| 2073 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2074 #endif | |
| 2075 if (ident == Id::length) | |
| 2076 { | |
| 2077 if (e->op == TOKstring) | |
| 2078 { StringExp *se = (StringExp *)e; | |
| 2079 | |
| 2080 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2081 } | |
| 2082 e = new ArrayLengthExp(e->loc, e); | |
| 2083 e->type = Type::tsize_t; | |
| 2084 return e; | |
| 2085 } | |
| 2086 else if (ident == Id::ptr) | |
| 2087 { | |
| 2088 e = e->castTo(sc, next->pointerTo()); | |
| 2089 return e; | |
| 2090 } | |
| 2091 else | |
| 2092 { | |
| 2093 e = TypeArray::dotExp(sc, e, ident); | |
| 2094 } | |
| 2095 return e; | |
| 2096 } | |
| 2097 | |
| 2098 int TypeDArray::isString() | |
| 2099 { | |
| 2100 TY nty = next->toBasetype()->ty; | |
| 2101 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2102 } | |
| 2103 | |
| 2104 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2105 { | |
| 2106 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2107 | |
| 2108 // Allow implicit conversion of array to pointer | |
| 2109 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2110 to->ty == Tpointer && | |
| 2111 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2112 { | |
| 2113 return MATCHconvert; | |
| 2114 } | |
| 2115 | |
| 2116 if (to->ty == Tarray) | |
| 2117 { int offset = 0; | |
| 2118 | |
| 2119 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2120 to->next->ty == Tvoid) | |
| 2121 return MATCHconvert; | |
| 2122 } | |
| 2123 return Type::implicitConvTo(to); | |
| 2124 } | |
| 2125 | |
| 2126 Expression *TypeDArray::defaultInit() | |
| 2127 { | |
| 2128 #if LOGDEFAULTINIT | |
| 2129 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2130 #endif | |
| 2131 Expression *e; | |
| 2132 e = new NullExp(0); | |
| 2133 e->type = this; | |
| 2134 return e; | |
| 2135 } | |
| 2136 | |
| 2137 int TypeDArray::isZeroInit() | |
| 2138 { | |
| 2139 return 1; | |
| 2140 } | |
| 2141 | |
| 2142 int TypeDArray::checkBoolean() | |
| 2143 { | |
| 2144 return TRUE; | |
| 2145 } | |
| 2146 | |
| 2147 int TypeDArray::hasPointers() | |
| 2148 { | |
| 2149 return TRUE; | |
| 2150 } | |
| 2151 | |
| 2152 /***************************** TypeAArray *****************************/ | |
| 2153 | |
| 2154 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2155 : TypeArray(Taarray, t) | |
| 2156 { | |
| 2157 this->index = index; | |
| 2158 this->key = NULL; | |
| 2159 } | |
| 2160 | |
| 2161 Type *TypeAArray::syntaxCopy() | |
| 2162 { | |
| 2163 Type *t = next->syntaxCopy(); | |
| 2164 Type *ti = index->syntaxCopy(); | |
| 2165 if (t == next && ti == index) | |
| 2166 t = this; | |
| 2167 else | |
| 2168 t = new TypeAArray(t, ti); | |
| 2169 return t; | |
| 2170 } | |
| 2171 | |
| 2172 d_uns64 TypeAArray::size(Loc loc) | |
| 2173 { | |
| 2174 return PTRSIZE /* * 2*/; | |
| 2175 } | |
| 2176 | |
| 2177 | |
| 2178 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2179 { | |
| 2180 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2181 | |
| 2182 // Deal with the case where we thought the index was a type, but | |
| 2183 // in reality it was an expression. | |
| 2184 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2185 { | |
| 2186 Expression *e; | |
| 2187 Type *t; | |
| 2188 Dsymbol *s; | |
| 2189 | |
| 2190 index->resolve(loc, sc, &e, &t, &s); | |
| 2191 if (e) | |
| 2192 { // It was an expression - | |
| 2193 // Rewrite as a static array | |
| 2194 TypeSArray *tsa; | |
| 2195 | |
| 2196 tsa = new TypeSArray(next, e); | |
| 2197 return tsa->semantic(loc,sc); | |
| 2198 } | |
| 2199 else if (t) | |
| 2200 index = t; | |
| 2201 else | |
| 2202 index->error(loc, "index is not a type or an expression"); | |
| 2203 } | |
| 2204 else | |
| 2205 index = index->semantic(loc,sc); | |
| 2206 | |
| 2207 // Compute key type; the purpose of the key type is to | |
| 2208 // minimize the permutations of runtime library | |
| 2209 // routines as much as possible. | |
| 2210 key = index->toBasetype(); | |
| 2211 switch (key->ty) | |
| 2212 { | |
| 2213 #if 0 | |
| 2214 case Tint8: | |
| 2215 case Tuns8: | |
| 2216 case Tint16: | |
| 2217 case Tuns16: | |
| 2218 key = tint32; | |
| 2219 break; | |
| 2220 #endif | |
| 2221 | |
| 2222 case Tsarray: | |
| 2223 #if 0 | |
| 2224 // Convert to Tarray | |
| 2225 key = key->next->arrayOf(); | |
| 2226 #endif | |
| 2227 break; | |
| 2228 case Tbit: | |
| 2229 case Tbool: | |
| 2230 case Tfunction: | |
| 2231 case Tvoid: | |
| 2232 case Tnone: | |
| 2233 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2234 break; | |
| 2235 } | |
| 2236 next = next->semantic(loc,sc); | |
| 2237 switch (next->toBasetype()->ty) | |
| 2238 { | |
| 2239 case Tfunction: | |
| 2240 case Tnone: | |
| 2241 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2242 break; | |
| 2243 } | |
| 2244 if (next->isauto()) | |
| 2245 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2246 | |
| 2247 return merge(); | |
| 2248 } | |
| 2249 | |
| 2250 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2251 { | |
| 2252 #if LOGDOTEXP | |
| 2253 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2254 #endif | |
| 2255 if (ident == Id::length) | |
| 2256 { | |
| 2257 Expression *ec; | |
| 2258 FuncDeclaration *fd; | |
| 2259 Expressions *arguments; | |
| 2260 | |
| 2261 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 2262 ec = new VarExp(0, fd); | |
| 2263 arguments = new Expressions(); | |
| 2264 arguments->push(e); | |
| 2265 e = new CallExp(e->loc, ec, arguments); | |
| 2266 e->type = fd->type->next; | |
| 2267 } | |
| 2268 else if (ident == Id::keys) | |
| 2269 { | |
| 2270 Expression *ec; | |
| 2271 FuncDeclaration *fd; | |
| 2272 Expressions *arguments; | |
| 2273 int size = key->size(e->loc); | |
| 2274 | |
| 2275 assert(size); | |
| 2276 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaKeys); | |
| 2277 ec = new VarExp(0, fd); | |
| 2278 arguments = new Expressions(); | |
| 2279 arguments->push(e); | |
| 2280 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2281 e = new CallExp(e->loc, ec, arguments); | |
| 2282 e->type = index->arrayOf(); | |
| 2283 } | |
| 2284 else if (ident == Id::values) | |
| 2285 { | |
| 2286 Expression *ec; | |
| 2287 FuncDeclaration *fd; | |
| 2288 Expressions *arguments; | |
| 2289 | |
| 2290 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaValues); | |
| 2291 ec = new VarExp(0, fd); | |
| 2292 arguments = new Expressions(); | |
| 2293 arguments->push(e); | |
| 2294 size_t keysize = key->size(e->loc); | |
| 2295 keysize = (keysize + 3) & ~3; // BUG: 64 bit pointers? | |
| 2296 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); | |
| 2297 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2298 e = new CallExp(e->loc, ec, arguments); | |
| 2299 e->type = next->arrayOf(); | |
| 2300 } | |
| 2301 else if (ident == Id::rehash) | |
| 2302 { | |
| 2303 Expression *ec; | |
| 2304 FuncDeclaration *fd; | |
| 2305 Expressions *arguments; | |
| 2306 | |
| 2307 fd = FuncDeclaration::genCfunc(Type::tint64, Id::aaRehash); | |
| 2308 ec = new VarExp(0, fd); | |
| 2309 arguments = new Expressions(); | |
| 2310 arguments->push(e->addressOf(sc)); | |
| 2311 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2312 e = new CallExp(e->loc, ec, arguments); | |
| 2313 e->type = this; | |
| 2314 } | |
| 2315 else | |
| 2316 { | |
| 2317 e = Type::dotExp(sc, e, ident); | |
| 2318 } | |
| 2319 return e; | |
| 2320 } | |
| 2321 | |
| 2322 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2323 { | |
| 2324 buf->writeByte(mangleChar[ty]); | |
| 2325 index->toDecoBuffer(buf); | |
| 2326 next->toDecoBuffer(buf); | |
| 2327 } | |
| 2328 | |
| 2329 void TypeAArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2330 { | |
| 2331 buf->writeByte('['); | |
| 2332 { OutBuffer ibuf; | |
| 2333 | |
| 2334 index->toCBuffer2(&ibuf, NULL, hgs); | |
| 2335 buf->write(&ibuf); | |
| 2336 } | |
| 2337 buf->writeByte(']'); | |
| 2338 } | |
| 2339 | |
| 2340 Expression *TypeAArray::defaultInit() | |
| 2341 { | |
| 2342 #if LOGDEFAULTINIT | |
| 2343 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2344 #endif | |
| 2345 Expression *e; | |
| 2346 e = new NullExp(0); | |
| 2347 e->type = this; | |
| 2348 return e; | |
| 2349 } | |
| 2350 | |
| 2351 int TypeAArray::checkBoolean() | |
| 2352 { | |
| 2353 return TRUE; | |
| 2354 } | |
| 2355 | |
| 2356 int TypeAArray::hasPointers() | |
| 2357 { | |
| 2358 return TRUE; | |
| 2359 } | |
| 2360 | |
| 2361 /***************************** TypePointer *****************************/ | |
| 2362 | |
| 2363 TypePointer::TypePointer(Type *t) | |
| 2364 : Type(Tpointer, t) | |
| 2365 { | |
| 2366 } | |
| 2367 | |
| 2368 Type *TypePointer::syntaxCopy() | |
| 2369 { | |
| 2370 Type *t = next->syntaxCopy(); | |
| 2371 if (t == next) | |
| 2372 t = this; | |
| 2373 else | |
| 2374 t = new TypePointer(t); | |
| 2375 return t; | |
| 2376 } | |
| 2377 | |
| 2378 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2379 { | |
| 2380 //printf("TypePointer::semantic()\n"); | |
| 2381 Type *n = next->semantic(loc, sc); | |
| 2382 switch (n->toBasetype()->ty) | |
| 2383 { | |
| 2384 case Ttuple: | |
| 2385 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2386 n = tint32; | |
| 2387 break; | |
| 2388 } | |
| 2389 if (n != next) | |
| 2390 deco = NULL; | |
| 2391 next = n; | |
| 2392 return merge(); | |
| 2393 } | |
| 2394 | |
| 2395 | |
| 2396 d_uns64 TypePointer::size(Loc loc) | |
| 2397 { | |
| 2398 return PTRSIZE; | |
| 2399 } | |
| 2400 | |
| 2401 void TypePointer::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2402 { | |
| 2403 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2404 buf->prependstring("*"); | |
| 2405 if (ident) | |
| 2406 { | |
| 2407 buf->writeByte(' '); | |
| 2408 buf->writestring(ident->toChars()); | |
| 2409 } | |
| 2410 next->toCBuffer2(buf, NULL, hgs); | |
| 2411 } | |
| 2412 | |
| 2413 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2414 { | |
| 2415 //printf("TypePointer::implicitConvTo()\n"); | |
| 2416 | |
| 2417 if (this == to) | |
| 2418 return MATCHexact; | |
| 2419 if (to->ty == Tpointer && to->next) | |
| 2420 { | |
| 2421 if (to->next->ty == Tvoid) | |
| 2422 return MATCHconvert; | |
| 2423 | |
| 2424 #if 0 | |
| 2425 if (to->next->isBaseOf(next)) | |
| 2426 return MATCHconvert; | |
| 2427 #endif | |
| 2428 | |
| 2429 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2430 { TypeFunction *tf; | |
| 2431 TypeFunction *tfto; | |
| 2432 | |
| 2433 tf = (TypeFunction *)(next); | |
| 2434 tfto = (TypeFunction *)(to->next); | |
| 2435 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2436 } | |
| 2437 } | |
| 2438 // if (to->ty == Tvoid) | |
| 2439 // return MATCHconvert; | |
| 2440 return MATCHnomatch; | |
| 2441 } | |
| 2442 | |
| 2443 int TypePointer::isscalar() | |
| 2444 { | |
| 2445 return TRUE; | |
| 2446 } | |
| 2447 | |
| 2448 Expression *TypePointer::defaultInit() | |
| 2449 { | |
| 2450 #if LOGDEFAULTINIT | |
| 2451 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2452 #endif | |
| 2453 Expression *e; | |
| 2454 e = new NullExp(0); | |
| 2455 e->type = this; | |
| 2456 return e; | |
| 2457 } | |
| 2458 | |
| 2459 int TypePointer::isZeroInit() | |
| 2460 { | |
| 2461 return 1; | |
| 2462 } | |
| 2463 | |
| 2464 int TypePointer::hasPointers() | |
| 2465 { | |
| 2466 return TRUE; | |
| 2467 } | |
| 2468 | |
| 2469 | |
| 2470 /***************************** TypeReference *****************************/ | |
| 2471 | |
| 2472 TypeReference::TypeReference(Type *t) | |
| 2473 : Type(Treference, t) | |
| 2474 { | |
| 2475 if (t->ty == Tbit) | |
| 2476 error(0,"cannot make reference to a bit"); | |
| 2477 // BUG: what about references to static arrays? | |
| 2478 } | |
| 2479 | |
| 2480 Type *TypeReference::syntaxCopy() | |
| 2481 { | |
| 2482 Type *t = next->syntaxCopy(); | |
| 2483 if (t == next) | |
| 2484 t = this; | |
| 2485 else | |
| 2486 t = new TypeReference(t); | |
| 2487 return t; | |
| 2488 } | |
| 2489 | |
| 2490 d_uns64 TypeReference::size(Loc loc) | |
| 2491 { | |
| 2492 return PTRSIZE; | |
| 2493 } | |
| 2494 | |
| 2495 void TypeReference::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2496 { | |
| 2497 buf->prependstring("&"); | |
| 2498 if (ident) | |
| 2499 { | |
| 2500 buf->writestring(ident->toChars()); | |
| 2501 } | |
| 2502 next->toCBuffer2(buf, NULL, hgs); | |
| 2503 } | |
| 2504 | |
| 2505 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2506 { | |
| 2507 #if LOGDOTEXP | |
| 2508 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2509 #endif | |
| 2510 | |
| 2511 // References just forward things along | |
| 2512 return next->dotExp(sc, e, ident); | |
| 2513 } | |
| 2514 | |
| 2515 Expression *TypeReference::defaultInit() | |
| 2516 { | |
| 2517 #if LOGDEFAULTINIT | |
| 2518 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2519 #endif | |
| 2520 Expression *e; | |
| 2521 e = new NullExp(0); | |
| 2522 e->type = this; | |
| 2523 return e; | |
| 2524 } | |
| 2525 | |
| 2526 int TypeReference::isZeroInit() | |
| 2527 { | |
| 2528 return 1; | |
| 2529 } | |
| 2530 | |
| 2531 | |
| 2532 /***************************** TypeFunction *****************************/ | |
| 2533 | |
| 2534 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2535 : Type(Tfunction, treturn) | |
| 2536 { | |
| 2537 //if (!treturn) *(char*)0=0; | |
| 2538 // assert(treturn); | |
| 2539 this->parameters = parameters; | |
| 2540 this->varargs = varargs; | |
| 2541 this->linkage = linkage; | |
| 2542 this->inuse = 0; | |
| 2543 this->llvmRetInPtr = false; | |
| 9 | 2544 this->llvmUsesThis = false; |
| 1 | 2545 this->llvmRetArg = 0; |
| 2546 this->llvmAllocaPoint = 0; | |
| 2547 } | |
| 2548 | |
| 2549 Type *TypeFunction::syntaxCopy() | |
| 2550 { | |
| 2551 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2552 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
| 2553 Type *t = new TypeFunction(params, treturn, varargs, linkage); | |
| 2554 return t; | |
| 2555 } | |
| 2556 | |
| 2557 /******************************* | |
| 2558 * Returns: | |
| 2559 * 0 types are distinct | |
| 2560 * 1 this is covariant with t | |
| 2561 * 2 arguments match as far as overloading goes, | |
| 2562 * but types are not covariant | |
| 2563 * 3 cannot determine covariance because of forward references | |
| 2564 */ | |
| 2565 | |
| 2566 int Type::covariant(Type *t) | |
| 2567 { | |
| 2568 #if 0 | |
| 2569 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2570 printf("deco = %p, %p\n", deco, t->deco); | |
| 2571 printf("ty = %d\n", next->ty); | |
| 2572 #endif | |
| 2573 | |
| 2574 int inoutmismatch = 0; | |
| 2575 | |
| 2576 if (equals(t)) | |
| 2577 goto Lcovariant; | |
| 2578 if (ty != Tfunction || t->ty != Tfunction) | |
| 2579 goto Ldistinct; | |
| 2580 | |
| 2581 { | |
| 2582 TypeFunction *t1 = (TypeFunction *)this; | |
| 2583 TypeFunction *t2 = (TypeFunction *)t; | |
| 2584 | |
| 2585 if (t1->varargs != t2->varargs) | |
| 2586 goto Ldistinct; | |
| 2587 | |
| 2588 if (t1->parameters && t2->parameters) | |
| 2589 { | |
| 2590 size_t dim = Argument::dim(t1->parameters); | |
| 2591 if (dim != Argument::dim(t2->parameters)) | |
| 2592 goto Ldistinct; | |
| 2593 | |
| 2594 for (size_t i = 0; i < dim; i++) | |
| 2595 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2596 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2597 | |
| 2598 if (!arg1->type->equals(arg2->type)) | |
| 2599 goto Ldistinct; | |
| 2600 if (arg1->storageClass != arg2->storageClass) | |
| 2601 inoutmismatch = 1; | |
| 2602 } | |
| 2603 } | |
| 2604 else if (t1->parameters != t2->parameters) | |
| 2605 goto Ldistinct; | |
| 2606 | |
| 2607 // The argument lists match | |
| 2608 if (inoutmismatch) | |
| 2609 goto Lnotcovariant; | |
| 2610 if (t1->linkage != t2->linkage) | |
| 2611 goto Lnotcovariant; | |
| 2612 | |
| 2613 Type *t1n = t1->next; | |
| 2614 Type *t2n = t2->next; | |
| 2615 | |
| 2616 if (t1n->equals(t2n)) | |
| 2617 goto Lcovariant; | |
| 2618 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2619 goto Lnotcovariant; | |
| 2620 | |
| 2621 // If t1n is forward referenced: | |
| 2622 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2623 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2624 { | |
| 2625 return 3; | |
| 2626 } | |
| 2627 | |
| 2628 if (t1n->implicitConvTo(t2n)) | |
| 2629 goto Lcovariant; | |
| 2630 goto Lnotcovariant; | |
| 2631 } | |
| 2632 | |
| 2633 Lcovariant: | |
| 2634 //printf("\tcovaraint: 1\n"); | |
| 2635 return 1; | |
| 2636 | |
| 2637 Ldistinct: | |
| 2638 //printf("\tcovaraint: 0\n"); | |
| 2639 return 0; | |
| 2640 | |
| 2641 Lnotcovariant: | |
| 2642 //printf("\tcovaraint: 2\n"); | |
| 2643 return 2; | |
| 2644 } | |
| 2645 | |
| 2646 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2647 { unsigned char mc; | |
| 2648 | |
| 2649 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2650 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2651 if (inuse) | |
| 2652 { inuse = 2; // flag error to caller | |
| 2653 return; | |
| 2654 } | |
| 2655 inuse++; | |
| 2656 switch (linkage) | |
| 2657 { | |
| 2658 case LINKd: mc = 'F'; break; | |
| 2659 case LINKc: mc = 'U'; break; | |
| 2660 case LINKwindows: mc = 'W'; break; | |
| 2661 case LINKpascal: mc = 'V'; break; | |
| 2662 case LINKcpp: mc = 'R'; break; | |
| 2663 default: | |
| 2664 assert(0); | |
| 2665 } | |
| 2666 buf->writeByte(mc); | |
| 2667 // Write argument types | |
| 2668 Argument::argsToDecoBuffer(buf, parameters); | |
| 2669 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2670 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2671 next->toDecoBuffer(buf); | |
| 2672 inuse--; | |
| 2673 } | |
| 2674 | |
| 2675 void TypeFunction::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2676 { | |
| 2677 char *p = NULL; | |
| 2678 | |
| 2679 if (inuse) | |
| 2680 { inuse = 2; // flag error to caller | |
| 2681 return; | |
| 2682 } | |
| 2683 inuse++; | |
| 2684 if (hgs->ddoc != 1) | |
| 2685 { | |
| 2686 switch (linkage) | |
| 2687 { | |
| 2688 case LINKd: p = NULL; break; | |
| 2689 case LINKc: p = "C "; break; | |
| 2690 case LINKwindows: p = "Windows "; break; | |
| 2691 case LINKpascal: p = "Pascal "; break; | |
| 2692 case LINKcpp: p = "C++ "; break; | |
| 2693 default: | |
| 2694 assert(0); | |
| 2695 } | |
| 2696 } | |
| 2697 | |
| 2698 if (buf->offset) | |
| 2699 { | |
| 2700 if (!hgs->hdrgen && p) | |
| 2701 buf->prependstring(p); | |
| 2702 buf->bracket('(', ')'); | |
| 2703 assert(!ident); | |
| 2704 } | |
| 2705 else | |
| 2706 { | |
| 2707 if (!hgs->hdrgen && p) | |
| 2708 buf->writestring(p); | |
| 2709 if (ident) | |
| 2710 { buf->writeByte(' '); | |
| 2711 buf->writestring(ident->toHChars2()); | |
| 2712 } | |
| 2713 } | |
| 2714 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2715 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2716 next->toCBuffer2(buf, NULL, hgs); | |
| 2717 inuse--; | |
| 2718 } | |
| 2719 | |
| 2720 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2721 { | |
| 2722 if (deco) // if semantic() already run | |
| 2723 { | |
| 2724 //printf("already done\n"); | |
| 2725 return this; | |
| 2726 } | |
| 2727 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2728 | |
| 2729 linkage = sc->linkage; | |
| 2730 if (!next) | |
| 2731 { | |
| 2732 assert(global.errors); | |
| 2733 next = tvoid; | |
| 2734 } | |
| 2735 next = next->semantic(loc,sc); | |
| 2736 if (next->toBasetype()->ty == Tsarray) | |
| 2737 { error(loc, "functions cannot return static array %s", next->toChars()); | |
| 2738 next = Type::terror; | |
| 2739 } | |
| 2740 if (next->toBasetype()->ty == Tfunction) | |
| 2741 { error(loc, "functions cannot return a function"); | |
| 2742 next = Type::terror; | |
| 2743 } | |
| 2744 if (next->toBasetype()->ty == Ttuple) | |
| 2745 { error(loc, "functions cannot return a tuple"); | |
| 2746 next = Type::terror; | |
| 2747 } | |
| 2748 if (next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2749 error(loc, "functions cannot return auto %s", next->toChars()); | |
| 2750 | |
| 2751 if (parameters) | |
| 2752 { size_t dim = Argument::dim(parameters); | |
| 2753 | |
| 2754 for (size_t i = 0; i < dim; i++) | |
| 2755 { Argument *arg = Argument::getNth(parameters, i); | |
| 2756 Type *t; | |
| 2757 | |
| 2758 inuse++; | |
| 2759 arg->type = arg->type->semantic(loc,sc); | |
| 2760 if (inuse == 1) inuse--; | |
| 2761 t = arg->type->toBasetype(); | |
| 2762 | |
| 2763 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2764 { | |
| 2765 if (t->ty == Tsarray) | |
| 2766 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2767 } | |
| 2768 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2769 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2770 | |
| 2771 if (arg->defaultArg) | |
| 2772 { | |
| 2773 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2774 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2775 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2776 } | |
| 2777 | |
| 2778 /* If arg turns out to be a tuple, the number of parameters may | |
| 2779 * change. | |
| 2780 */ | |
| 2781 if (t->ty == Ttuple) | |
| 2782 { dim = Argument::dim(parameters); | |
| 2783 i--; | |
| 2784 } | |
| 2785 } | |
| 2786 } | |
| 2787 deco = merge()->deco; | |
| 2788 | |
| 2789 if (inuse) | |
| 2790 { error(loc, "recursive type"); | |
| 2791 inuse = 0; | |
| 2792 return terror; | |
| 2793 } | |
| 2794 | |
| 2795 if (varargs == 1 && linkage != LINKd && Argument::dim(parameters) == 0) | |
| 2796 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2797 | |
| 2798 /* Don't return merge(), because arg identifiers and default args | |
| 2799 * can be different | |
| 2800 * even though the types match | |
| 2801 */ | |
| 2802 return this; | |
| 2803 } | |
| 2804 | |
| 2805 /******************************** | |
| 2806 * 'args' are being matched to function 'this' | |
| 2807 * Determine match level. | |
| 2808 * Returns: | |
| 2809 * MATCHxxxx | |
| 2810 */ | |
| 2811 | |
| 2812 int TypeFunction::callMatch(Expressions *args) | |
| 2813 { | |
| 2814 //printf("TypeFunction::callMatch()\n"); | |
| 2815 int match = MATCHexact; // assume exact match | |
| 2816 | |
| 2817 size_t nparams = Argument::dim(parameters); | |
| 2818 size_t nargs = args ? args->dim : 0; | |
| 2819 if (nparams == nargs) | |
| 2820 ; | |
| 2821 else if (nargs > nparams) | |
| 2822 { | |
| 2823 if (varargs == 0) | |
| 2824 goto Nomatch; // too many args; no match | |
| 2825 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2826 } | |
| 2827 | |
| 2828 for (size_t u = 0; u < nparams; u++) | |
| 2829 { int m; | |
| 2830 Expression *arg; | |
| 2831 | |
| 2832 // BUG: what about out and ref? | |
| 2833 | |
| 2834 Argument *p = Argument::getNth(parameters, u); | |
| 2835 assert(p); | |
| 2836 if (u >= nargs) | |
| 2837 { | |
| 2838 if (p->defaultArg) | |
| 2839 continue; | |
| 2840 if (varargs == 2 && u + 1 == nparams) | |
| 2841 goto L1; | |
| 2842 goto Nomatch; // not enough arguments | |
| 2843 } | |
| 2844 arg = (Expression *)args->data[u]; | |
| 2845 assert(arg); | |
| 2846 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2847 m = MATCHconvert; | |
| 2848 else | |
| 2849 m = arg->implicitConvTo(p->type); | |
| 2850 //printf("\tm = %d\n", m); | |
| 2851 if (m == MATCHnomatch) // if no match | |
| 2852 { | |
| 2853 L1: | |
| 2854 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2855 { Type *tb = p->type->toBasetype(); | |
| 2856 TypeSArray *tsa; | |
| 2857 integer_t sz; | |
| 2858 | |
| 2859 switch (tb->ty) | |
| 2860 { | |
| 2861 case Tsarray: | |
| 2862 tsa = (TypeSArray *)tb; | |
| 2863 sz = tsa->dim->toInteger(); | |
| 2864 if (sz != nargs - u) | |
| 2865 goto Nomatch; | |
| 2866 case Tarray: | |
| 2867 for (; u < nargs; u++) | |
| 2868 { | |
| 2869 arg = (Expression *)args->data[u]; | |
| 2870 assert(arg); | |
| 2871 #if 1 | |
| 2872 /* If lazy array of delegates, | |
| 2873 * convert arg(s) to delegate(s) | |
| 2874 */ | |
| 2875 Type *tret = p->isLazyArray(); | |
| 2876 if (tret) | |
| 2877 { | |
| 2878 if (tb->next->equals(arg->type)) | |
| 2879 { m = MATCHexact; | |
| 2880 } | |
| 2881 else | |
| 2882 { | |
| 2883 m = arg->implicitConvTo(tret); | |
| 2884 if (m == MATCHnomatch) | |
| 2885 { | |
| 2886 if (tret->toBasetype()->ty == Tvoid) | |
| 2887 m = MATCHconvert; | |
| 2888 } | |
| 2889 } | |
| 2890 } | |
| 2891 else | |
| 2892 m = arg->implicitConvTo(tb->next); | |
| 2893 #else | |
| 2894 m = arg->implicitConvTo(tb->next); | |
| 2895 #endif | |
| 2896 if (m == 0) | |
| 2897 goto Nomatch; | |
| 2898 if (m < match) | |
| 2899 match = m; | |
| 2900 } | |
| 2901 goto Ldone; | |
| 2902 | |
| 2903 case Tclass: | |
| 2904 // Should see if there's a constructor match? | |
| 2905 // Or just leave it ambiguous? | |
| 2906 goto Ldone; | |
| 2907 | |
| 2908 default: | |
| 2909 goto Nomatch; | |
| 2910 } | |
| 2911 } | |
| 2912 goto Nomatch; | |
| 2913 } | |
| 2914 if (m < match) | |
| 2915 match = m; // pick worst match | |
| 2916 } | |
| 2917 | |
| 2918 Ldone: | |
| 2919 //printf("match = %d\n", match); | |
| 2920 return match; | |
| 2921 | |
| 2922 Nomatch: | |
| 2923 //printf("no match\n"); | |
| 2924 return MATCHnomatch; | |
| 2925 } | |
| 2926 | |
| 2927 Type *TypeFunction::reliesOnTident() | |
| 2928 { | |
| 2929 if (parameters) | |
| 2930 { | |
| 2931 for (size_t i = 0; i < parameters->dim; i++) | |
| 2932 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2933 Type *t = arg->type->reliesOnTident(); | |
| 2934 if (t) | |
| 2935 return t; | |
| 2936 } | |
| 2937 } | |
| 2938 return next->reliesOnTident(); | |
| 2939 } | |
| 2940 | |
| 2941 /***************************** TypeDelegate *****************************/ | |
| 2942 | |
| 2943 TypeDelegate::TypeDelegate(Type *t) | |
| 2944 : Type(Tfunction, t) | |
| 2945 { | |
| 2946 ty = Tdelegate; | |
| 2947 } | |
| 2948 | |
| 2949 Type *TypeDelegate::syntaxCopy() | |
| 2950 { | |
| 2951 Type *t = next->syntaxCopy(); | |
| 2952 if (t == next) | |
| 2953 t = this; | |
| 2954 else | |
| 2955 t = new TypeDelegate(t); | |
| 2956 return t; | |
| 2957 } | |
| 2958 | |
| 2959 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2960 { | |
| 2961 if (deco) // if semantic() already run | |
| 2962 { | |
| 2963 //printf("already done\n"); | |
| 2964 return this; | |
| 2965 } | |
| 2966 next = next->semantic(loc,sc); | |
| 2967 return merge(); | |
| 2968 } | |
| 2969 | |
| 2970 d_uns64 TypeDelegate::size(Loc loc) | |
| 2971 { | |
| 2972 return PTRSIZE * 2; | |
| 2973 } | |
| 2974 | |
| 2975 void TypeDelegate::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2976 { | |
| 2977 #if 1 | |
| 2978 OutBuffer args; | |
| 2979 TypeFunction *tf = (TypeFunction *)next; | |
| 2980 | |
| 2981 Argument::argsToCBuffer(&args, hgs, tf->parameters, tf->varargs); | |
| 2982 buf->prependstring(args.toChars()); | |
| 2983 buf->prependstring(" delegate"); | |
| 2984 if (ident) | |
| 2985 { | |
| 2986 buf->writeByte(' '); | |
| 2987 buf->writestring(ident->toChars()); | |
| 2988 } | |
| 2989 next->next->toCBuffer2(buf, NULL, hgs); | |
| 2990 #else | |
| 2991 next->toCBuffer2(buf, Id::delegate, hgs); | |
| 2992 if (ident) | |
| 2993 { | |
| 2994 buf->writestring(ident->toChars()); | |
| 2995 } | |
| 2996 #endif | |
| 2997 } | |
| 2998 | |
| 2999 Expression *TypeDelegate::defaultInit() | |
| 3000 { | |
| 3001 #if LOGDEFAULTINIT | |
| 3002 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3003 #endif | |
| 3004 Expression *e; | |
| 3005 e = new NullExp(0); | |
| 3006 e->type = this; | |
| 3007 return e; | |
| 3008 } | |
| 3009 | |
| 3010 int TypeDelegate::isZeroInit() | |
| 3011 { | |
| 3012 return 1; | |
| 3013 } | |
| 3014 | |
| 3015 int TypeDelegate::checkBoolean() | |
| 3016 { | |
| 3017 return TRUE; | |
| 3018 } | |
| 3019 | |
| 3020 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3021 { | |
| 3022 #if LOGDOTEXP | |
| 3023 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3024 #endif | |
| 3025 if (ident == Id::ptr) | |
| 3026 { | |
| 3027 e->type = tvoidptr; | |
| 3028 return e; | |
| 3029 } | |
| 3030 else if (ident == Id::funcptr) | |
| 3031 { | |
| 3032 e = e->addressOf(sc); | |
| 3033 e->type = tvoidptr; | |
| 3034 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3035 e->type = tvoidptr; | |
| 3036 e = new PtrExp(e->loc, e); | |
| 3037 e->type = next->pointerTo(); | |
| 3038 return e; | |
| 3039 } | |
| 3040 else | |
| 3041 { | |
| 3042 e = Type::dotExp(sc, e, ident); | |
| 3043 } | |
| 3044 return e; | |
| 3045 } | |
| 3046 | |
| 3047 int TypeDelegate::hasPointers() | |
| 3048 { | |
| 3049 return TRUE; | |
| 3050 } | |
| 3051 | |
| 3052 | |
| 3053 | |
| 3054 /***************************** TypeQualified *****************************/ | |
| 3055 | |
| 3056 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3057 : Type(ty, NULL) | |
| 3058 { | |
| 3059 this->loc = loc; | |
| 3060 } | |
| 3061 | |
| 3062 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3063 { | |
| 3064 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3065 idents.setDim(t->idents.dim); | |
| 3066 for (int i = 0; i < idents.dim; i++) | |
| 3067 { | |
| 3068 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3069 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3070 { | |
| 3071 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3072 | |
| 3073 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3074 id = (Identifier *)ti; | |
| 3075 } | |
| 3076 idents.data[i] = id; | |
| 3077 } | |
| 3078 } | |
| 3079 | |
| 3080 | |
| 3081 void TypeQualified::addIdent(Identifier *ident) | |
| 3082 { | |
| 3083 idents.push(ident); | |
| 3084 } | |
| 3085 | |
| 3086 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3087 { | |
| 3088 int i; | |
| 3089 | |
| 3090 for (i = 0; i < idents.dim; i++) | |
| 3091 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3092 | |
| 3093 buf->writeByte('.'); | |
| 3094 | |
| 3095 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3096 { | |
| 3097 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3098 ti->toCBuffer(buf, hgs); | |
| 3099 } | |
| 3100 else | |
| 3101 buf->writestring(id->toChars()); | |
| 3102 } | |
| 3103 } | |
| 3104 | |
| 3105 d_uns64 TypeQualified::size(Loc loc) | |
| 3106 { | |
| 3107 error(this->loc, "size of type %s is not known", toChars()); | |
| 3108 return 1; | |
| 3109 } | |
| 3110 | |
| 3111 /************************************* | |
| 3112 * Takes an array of Identifiers and figures out if | |
| 3113 * it represents a Type or an Expression. | |
| 3114 * Output: | |
| 3115 * if expression, *pe is set | |
| 3116 * if type, *pt is set | |
| 3117 */ | |
| 3118 | |
| 3119 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3120 Dsymbol *s, Dsymbol *scopesym, | |
| 3121 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3122 { | |
| 3123 Identifier *id = NULL; | |
| 3124 int i; | |
| 3125 VarDeclaration *v; | |
| 3126 EnumMember *em; | |
| 3127 TupleDeclaration *td; | |
| 3128 Type *t; | |
| 3129 Expression *e; | |
| 3130 | |
| 3131 #if 0 | |
| 3132 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3133 if (scopesym) | |
| 3134 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3135 #endif | |
| 3136 *pe = NULL; | |
| 3137 *pt = NULL; | |
| 3138 *ps = NULL; | |
| 3139 if (s) | |
| 3140 { | |
| 3141 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3142 s = s->toAlias(); | |
| 3143 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3144 for (i = 0; i < idents.dim; i++) | |
| 3145 { Dsymbol *sm; | |
| 3146 | |
| 3147 id = (Identifier *)idents.data[i]; | |
| 3148 sm = s->searchX(loc, sc, id); | |
| 3149 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3150 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3151 if (!sm) | |
| 3152 { | |
| 3153 v = s->isVarDeclaration(); | |
| 3154 if (v && id == Id::length) | |
| 3155 { | |
| 3156 if (v->isConst() && v->getExpInitializer()) | |
| 3157 { e = v->getExpInitializer()->exp; | |
| 3158 } | |
| 3159 else | |
| 3160 e = new VarExp(loc, v); | |
| 3161 t = e->type; | |
| 3162 if (!t) | |
| 3163 goto Lerror; | |
| 3164 goto L3; | |
| 3165 } | |
| 3166 t = s->getType(); | |
| 3167 if (!t && s->isDeclaration()) | |
| 3168 t = s->isDeclaration()->type; | |
| 3169 if (t) | |
| 3170 { | |
| 3171 sm = t->toDsymbol(sc); | |
| 3172 if (sm) | |
| 3173 { sm = sm->search(loc, id, 0); | |
| 3174 if (sm) | |
| 3175 goto L2; | |
| 3176 } | |
| 3177 //e = t->getProperty(loc, id); | |
| 3178 e = new TypeExp(loc, t); | |
| 3179 e = t->dotExp(sc, e, id); | |
| 3180 i++; | |
| 3181 L3: | |
| 3182 for (; i < idents.dim; i++) | |
| 3183 { | |
| 3184 id = (Identifier *)idents.data[i]; | |
| 3185 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3186 e = e->type->dotExp(sc, e, id); | |
| 3187 } | |
| 3188 *pe = e; | |
| 3189 } | |
| 3190 else | |
| 3191 Lerror: | |
| 3192 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3193 return; | |
| 3194 } | |
| 3195 L2: | |
| 3196 s = sm->toAlias(); | |
| 3197 } | |
| 3198 | |
| 3199 v = s->isVarDeclaration(); | |
| 3200 if (v) | |
| 3201 { | |
| 3202 // It's not a type, it's an expression | |
| 3203 if (v->isConst() && v->getExpInitializer()) | |
| 3204 { | |
| 3205 ExpInitializer *ei = v->getExpInitializer(); | |
| 3206 assert(ei); | |
| 3207 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3208 (*pe)->loc = loc; | |
| 3209 } | |
| 3210 else | |
| 3211 { | |
| 3212 #if 0 | |
| 3213 WithScopeSymbol *withsym; | |
| 3214 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3215 { | |
| 3216 // Same as wthis.ident | |
| 3217 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3218 e = new DotIdExp(loc, e, ident); | |
| 3219 //assert(0); // BUG: should handle this | |
| 3220 } | |
| 3221 else | |
| 3222 #endif | |
| 3223 *pe = new VarExp(loc, v); | |
| 3224 } | |
| 3225 return; | |
| 3226 } | |
| 3227 em = s->isEnumMember(); | |
| 3228 if (em) | |
| 3229 { | |
| 3230 // It's not a type, it's an expression | |
| 3231 *pe = em->value->copy(); | |
| 3232 return; | |
| 3233 } | |
| 3234 | |
| 3235 L1: | |
| 3236 t = s->getType(); | |
| 3237 if (!t) | |
| 3238 { | |
| 3239 // If the symbol is an import, try looking inside the import | |
| 3240 Import *si; | |
| 3241 | |
| 3242 si = s->isImport(); | |
| 3243 if (si) | |
| 3244 { | |
| 3245 s = si->search(loc, s->ident, 0); | |
| 3246 if (s && s != si) | |
| 3247 goto L1; | |
| 3248 s = si; | |
| 3249 } | |
| 3250 *ps = s; | |
| 3251 return; | |
| 3252 } | |
| 3253 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3254 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3255 return; | |
| 3256 } | |
| 3257 | |
| 3258 if (t != this) | |
| 3259 { | |
| 3260 if (t->reliesOnTident()) | |
| 3261 { | |
| 3262 Scope *scx; | |
| 3263 | |
| 3264 for (scx = sc; 1; scx = scx->enclosing) | |
| 3265 { | |
| 3266 if (!scx) | |
| 3267 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3268 return; | |
| 3269 } | |
| 3270 if (scx->scopesym == scopesym) | |
| 3271 break; | |
| 3272 } | |
| 3273 t = t->semantic(loc, scx); | |
| 3274 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3275 } | |
| 3276 } | |
| 3277 if (t->ty == Ttuple) | |
| 3278 *pt = t; | |
| 3279 else | |
| 3280 *pt = t->merge(); | |
| 3281 } | |
| 3282 if (!s) | |
| 3283 { | |
| 3284 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3285 } | |
| 3286 } | |
| 3287 | |
| 3288 /***************************** TypeIdentifier *****************************/ | |
| 3289 | |
| 3290 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3291 : TypeQualified(Tident, loc) | |
| 3292 { | |
| 3293 this->ident = ident; | |
| 3294 } | |
| 3295 | |
| 3296 | |
| 3297 Type *TypeIdentifier::syntaxCopy() | |
| 3298 { | |
| 3299 TypeIdentifier *t; | |
| 3300 | |
| 3301 t = new TypeIdentifier(loc, ident); | |
| 3302 t->syntaxCopyHelper(this); | |
| 3303 return t; | |
| 3304 } | |
| 3305 | |
| 3306 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3307 { unsigned len; | |
| 3308 char *name; | |
| 3309 | |
| 3310 name = ident->toChars(); | |
| 3311 len = strlen(name); | |
| 3312 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3313 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3314 } | |
| 3315 | |
| 3316 void TypeIdentifier::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3317 { | |
| 3318 OutBuffer tmp; | |
| 3319 | |
| 3320 tmp.writestring(this->ident->toChars()); | |
| 3321 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3322 buf->prependstring(tmp.toChars()); | |
| 3323 if (ident) | |
| 3324 { buf->writeByte(' '); | |
| 3325 buf->writestring(ident->toChars()); | |
| 3326 } | |
| 3327 } | |
| 3328 | |
| 3329 /************************************* | |
| 3330 * Takes an array of Identifiers and figures out if | |
| 3331 * it represents a Type or an Expression. | |
| 3332 * Output: | |
| 3333 * if expression, *pe is set | |
| 3334 * if type, *pt is set | |
| 3335 */ | |
| 3336 | |
| 3337 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3338 { Dsymbol *s; | |
| 3339 Dsymbol *scopesym; | |
| 3340 | |
| 3341 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3342 s = sc->search(loc, ident, &scopesym); | |
| 3343 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3344 } | |
| 3345 | |
| 3346 /***************************************** | |
| 3347 * See if type resolves to a symbol, if so, | |
| 3348 * return that symbol. | |
| 3349 */ | |
| 3350 | |
| 3351 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3352 { | |
| 3353 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3354 if (!sc) | |
| 3355 return NULL; | |
| 3356 //printf("ident = '%s'\n", ident->toChars()); | |
| 3357 | |
| 3358 Dsymbol *scopesym; | |
| 3359 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3360 if (s) | |
| 3361 { | |
| 3362 for (int i = 0; i < idents.dim; i++) | |
| 3363 { | |
| 3364 Identifier *id = (Identifier *)idents.data[i]; | |
| 3365 s = s->searchX(loc, sc, id); | |
| 3366 if (!s) // failed to find a symbol | |
| 3367 { //printf("\tdidn't find a symbol\n"); | |
| 3368 break; | |
| 3369 } | |
| 3370 } | |
| 3371 } | |
| 3372 return s; | |
| 3373 } | |
| 3374 | |
| 3375 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3376 { | |
| 3377 Type *t; | |
| 3378 Expression *e; | |
| 3379 Dsymbol *s; | |
| 3380 | |
| 3381 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3382 resolve(loc, sc, &e, &t, &s); | |
| 3383 if (t) | |
| 3384 { | |
| 3385 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3386 | |
| 3387 if (t->ty == Ttypedef) | |
| 3388 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3389 | |
| 3390 if (tt->sym->sem == 1) | |
| 3391 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3392 } | |
| 3393 } | |
| 3394 else | |
| 3395 { | |
| 3396 #ifdef DEBUG | |
| 3397 if (!global.gag) | |
| 3398 printf("1: "); | |
| 3399 #endif | |
| 3400 if (s) | |
| 3401 { | |
| 3402 s->error(loc, "is used as a type"); | |
| 3403 } | |
| 3404 else | |
| 3405 error(loc, "%s is used as a type", toChars()); | |
| 3406 t = tvoid; | |
| 3407 } | |
| 3408 //t->print(); | |
| 3409 return t; | |
| 3410 } | |
| 3411 | |
| 3412 Type *TypeIdentifier::reliesOnTident() | |
| 3413 { | |
| 3414 return this; | |
| 3415 } | |
| 3416 | |
| 3417 Expression *TypeIdentifier::toExpression() | |
| 3418 { | |
| 3419 Expression *e = new IdentifierExp(loc, ident); | |
| 3420 for (int i = 0; i < idents.dim; i++) | |
| 3421 { | |
| 3422 Identifier *id = (Identifier *)idents.data[i]; | |
| 3423 e = new DotIdExp(loc, e, id); | |
| 3424 } | |
| 3425 | |
| 3426 return e; | |
| 3427 } | |
| 3428 | |
| 3429 /***************************** TypeInstance *****************************/ | |
| 3430 | |
| 3431 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3432 : TypeQualified(Tinstance, loc) | |
| 3433 { | |
| 3434 this->tempinst = tempinst; | |
| 3435 } | |
| 3436 | |
| 3437 Type *TypeInstance::syntaxCopy() | |
| 3438 { | |
| 3439 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3440 TypeInstance *t; | |
| 3441 | |
| 3442 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3443 t->syntaxCopyHelper(this); | |
| 3444 return t; | |
| 3445 } | |
| 3446 | |
| 3447 | |
| 3448 void TypeInstance::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3449 { | |
| 3450 OutBuffer tmp; | |
| 3451 | |
| 3452 tempinst->toCBuffer(&tmp, hgs); | |
| 3453 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3454 buf->prependstring(tmp.toChars()); | |
| 3455 if (ident) | |
| 3456 { buf->writeByte(' '); | |
| 3457 buf->writestring(ident->toChars()); | |
| 3458 } | |
| 3459 } | |
| 3460 | |
| 3461 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3462 { | |
| 3463 // Note close similarity to TypeIdentifier::resolve() | |
| 3464 | |
| 3465 Dsymbol *s; | |
| 3466 | |
| 3467 *pe = NULL; | |
| 3468 *pt = NULL; | |
| 3469 *ps = NULL; | |
| 3470 | |
| 3471 #if 0 | |
| 3472 if (!idents.dim) | |
| 3473 { | |
| 3474 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3475 return; | |
| 3476 } | |
| 3477 #endif | |
| 3478 //id = (Identifier *)idents.data[0]; | |
| 3479 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3480 s = tempinst; | |
| 3481 if (s) | |
| 3482 s->semantic(sc); | |
| 3483 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3484 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3485 } | |
| 3486 | |
| 3487 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3488 { | |
| 3489 Type *t; | |
| 3490 Expression *e; | |
| 3491 Dsymbol *s; | |
| 3492 | |
| 3493 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3494 | |
| 3495 if (sc->parameterSpecialization) | |
| 3496 { | |
| 3497 unsigned errors = global.errors; | |
| 3498 global.gag++; | |
| 3499 | |
| 3500 resolve(loc, sc, &e, &t, &s); | |
| 3501 | |
| 3502 global.gag--; | |
| 3503 if (errors != global.errors) | |
| 3504 { if (global.gag == 0) | |
| 3505 global.errors = errors; | |
| 3506 return this; | |
| 3507 } | |
| 3508 } | |
| 3509 else | |
| 3510 resolve(loc, sc, &e, &t, &s); | |
| 3511 | |
| 3512 if (!t) | |
| 3513 { | |
| 3514 #ifdef DEBUG | |
| 3515 printf("2: "); | |
| 3516 #endif | |
| 3517 error(loc, "%s is used as a type", toChars()); | |
| 3518 t = tvoid; | |
| 3519 } | |
| 3520 return t; | |
| 3521 } | |
| 3522 | |
| 3523 | |
| 3524 /***************************** TypeTypeof *****************************/ | |
| 3525 | |
| 3526 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3527 : TypeQualified(Ttypeof, loc) | |
| 3528 { | |
| 3529 this->exp = exp; | |
| 3530 } | |
| 3531 | |
| 3532 Type *TypeTypeof::syntaxCopy() | |
| 3533 { | |
| 3534 TypeTypeof *t; | |
| 3535 | |
| 3536 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3537 t->syntaxCopyHelper(this); | |
| 3538 return t; | |
| 3539 } | |
| 3540 | |
| 3541 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3542 { | |
| 3543 Type *t; | |
| 3544 | |
| 3545 t = semantic(0, sc); | |
| 3546 if (t == this) | |
| 3547 return NULL; | |
| 3548 return t->toDsymbol(sc); | |
| 3549 } | |
| 3550 | |
| 3551 void TypeTypeof::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3552 { | |
| 3553 OutBuffer tmp; | |
| 3554 | |
| 3555 tmp.writestring("typeof("); | |
| 3556 exp->toCBuffer(&tmp, hgs); | |
| 3557 tmp.writeByte(')'); | |
| 3558 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3559 buf->prependstring(tmp.toChars()); | |
| 3560 if (ident) | |
| 3561 { buf->writeByte(' '); | |
| 3562 buf->writestring(ident->toChars()); | |
| 3563 } | |
| 3564 } | |
| 3565 | |
| 3566 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3567 { Expression *e; | |
| 3568 Type *t; | |
| 3569 | |
| 3570 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3571 | |
| 3572 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3573 | |
| 3574 #if 0 | |
| 3575 /* Special case for typeof(this) and typeof(super) since both | |
| 3576 * should work even if they are not inside a non-static member function | |
| 3577 */ | |
| 3578 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3579 { | |
| 3580 // Find enclosing struct or class | |
| 3581 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3582 { | |
| 3583 ClassDeclaration *cd; | |
| 3584 StructDeclaration *sd; | |
| 3585 | |
| 3586 if (!s) | |
| 3587 { | |
| 3588 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3589 goto Lerr; | |
| 3590 } | |
| 3591 cd = s->isClassDeclaration(); | |
| 3592 if (cd) | |
| 3593 { | |
| 3594 if (exp->op == TOKsuper) | |
| 3595 { | |
| 3596 cd = cd->baseClass; | |
| 3597 if (!cd) | |
| 3598 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3599 goto Lerr; | |
| 3600 } | |
| 3601 } | |
| 3602 t = cd->type; | |
| 3603 break; | |
| 3604 } | |
| 3605 sd = s->isStructDeclaration(); | |
| 3606 if (sd) | |
| 3607 { | |
| 3608 if (exp->op == TOKsuper) | |
| 3609 { | |
| 3610 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3611 goto Lerr; | |
| 3612 } | |
| 3613 t = sd->type->pointerTo(); | |
| 3614 break; | |
| 3615 } | |
| 3616 } | |
| 3617 } | |
| 3618 else | |
| 3619 #endif | |
| 3620 { | |
| 3621 sc->intypeof++; | |
| 3622 exp = exp->semantic(sc); | |
| 3623 sc->intypeof--; | |
| 3624 t = exp->type; | |
| 3625 if (!t) | |
| 3626 { | |
| 3627 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3628 goto Lerr; | |
| 3629 } | |
| 3630 } | |
| 3631 | |
| 3632 if (idents.dim) | |
| 3633 { | |
| 3634 Dsymbol *s = t->toDsymbol(sc); | |
| 3635 for (size_t i = 0; i < idents.dim; i++) | |
| 3636 { | |
| 3637 if (!s) | |
| 3638 break; | |
| 3639 Identifier *id = (Identifier *)idents.data[i]; | |
| 3640 s = s->searchX(loc, sc, id); | |
| 3641 } | |
| 3642 if (s) | |
| 3643 { | |
| 3644 t = s->getType(); | |
| 3645 if (!t) | |
| 3646 { error(loc, "%s is not a type", s->toChars()); | |
| 3647 goto Lerr; | |
| 3648 } | |
| 3649 } | |
| 3650 else | |
| 3651 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3652 goto Lerr; | |
| 3653 } | |
| 3654 } | |
| 3655 return t; | |
| 3656 | |
| 3657 Lerr: | |
| 3658 return tvoid; | |
| 3659 } | |
| 3660 | |
| 3661 d_uns64 TypeTypeof::size(Loc loc) | |
| 3662 { | |
| 3663 if (exp->type) | |
| 3664 return exp->type->size(loc); | |
| 3665 else | |
| 3666 return TypeQualified::size(loc); | |
| 3667 } | |
| 3668 | |
| 3669 | |
| 3670 | |
| 3671 /***************************** TypeEnum *****************************/ | |
| 3672 | |
| 3673 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3674 : Type(Tenum, NULL) | |
| 3675 { | |
| 3676 this->sym = sym; | |
| 3677 } | |
| 3678 | |
| 3679 char *TypeEnum::toChars() | |
| 3680 { | |
| 3681 return sym->toChars(); | |
| 3682 } | |
| 3683 | |
| 3684 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3685 { | |
| 3686 sym->semantic(sc); | |
| 3687 return merge(); | |
| 3688 } | |
| 3689 | |
| 3690 d_uns64 TypeEnum::size(Loc loc) | |
| 3691 { | |
| 3692 if (!sym->memtype) | |
| 3693 { | |
| 3694 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3695 return 4; | |
| 3696 } | |
| 3697 return sym->memtype->size(loc); | |
| 3698 } | |
| 3699 | |
| 3700 unsigned TypeEnum::alignsize() | |
| 3701 { | |
| 3702 if (!sym->memtype) | |
| 3703 { | |
| 3704 #ifdef DEBUG | |
| 3705 printf("1: "); | |
| 3706 #endif | |
| 3707 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3708 return 4; | |
| 3709 } | |
| 3710 return sym->memtype->alignsize(); | |
| 3711 } | |
| 3712 | |
| 3713 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3714 { | |
| 3715 return sym; | |
| 3716 } | |
| 3717 | |
| 3718 Type *TypeEnum::toBasetype() | |
| 3719 { | |
| 3720 if (!sym->memtype) | |
| 3721 { | |
| 3722 #ifdef DEBUG | |
| 3723 printf("2: "); | |
| 3724 #endif | |
| 3725 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3726 return tint32; | |
| 3727 } | |
| 3728 return sym->memtype->toBasetype(); | |
| 3729 } | |
| 3730 | |
| 3731 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3732 { char *name; | |
| 3733 | |
| 3734 name = sym->mangle(); | |
| 3735 // if (name[0] == '_' && name[1] == 'D') | |
| 3736 // name += 2; | |
| 3737 buf->printf("%c%s", mangleChar[ty], name); | |
| 3738 } | |
| 3739 | |
| 3740 void TypeEnum::toTypeInfoBuffer(OutBuffer *buf) | |
| 3741 { | |
| 3742 toBasetype()->toTypeInfoBuffer(buf); | |
| 3743 } | |
| 3744 | |
| 3745 void TypeEnum::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3746 { | |
| 3747 buf->prependstring(sym->toChars()); | |
| 3748 if (ident) | |
| 3749 { buf->writeByte(' '); | |
| 3750 buf->writestring(ident->toChars()); | |
| 3751 } | |
| 3752 } | |
| 3753 | |
| 3754 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3755 { | |
| 3756 EnumMember *m; | |
| 3757 Dsymbol *s; | |
| 3758 Expression *em; | |
| 3759 | |
| 3760 #if LOGDOTEXP | |
| 3761 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3762 #endif | |
| 3763 s = sym->symtab->lookup(ident); | |
| 3764 if (!s) | |
| 3765 { | |
| 3766 return getProperty(e->loc, ident); | |
| 3767 } | |
| 3768 m = s->isEnumMember(); | |
| 3769 em = m->value->copy(); | |
| 3770 em->loc = e->loc; | |
| 3771 return em; | |
| 3772 } | |
| 3773 | |
| 3774 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3775 { Expression *e; | |
| 3776 | |
| 3777 if (ident == Id::max) | |
| 3778 { | |
| 3779 if (!sym->symtab) | |
| 3780 goto Lfwd; | |
| 3781 e = new IntegerExp(0, sym->maxval, this); | |
| 3782 } | |
| 3783 else if (ident == Id::min) | |
| 3784 { | |
| 3785 if (!sym->symtab) | |
| 3786 goto Lfwd; | |
| 3787 e = new IntegerExp(0, sym->minval, this); | |
| 3788 } | |
| 3789 else if (ident == Id::init) | |
| 3790 { | |
| 3791 if (!sym->symtab) | |
| 3792 goto Lfwd; | |
| 3793 e = defaultInit(); | |
| 3794 } | |
| 3795 else | |
| 3796 { | |
| 3797 if (!sym->memtype) | |
| 3798 goto Lfwd; | |
| 3799 e = sym->memtype->getProperty(loc, ident); | |
| 3800 } | |
| 3801 return e; | |
| 3802 | |
| 3803 Lfwd: | |
| 3804 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3805 return new IntegerExp(0, 0, this); | |
| 3806 } | |
| 3807 | |
| 3808 int TypeEnum::isintegral() | |
| 3809 { | |
| 3810 return 1; | |
| 3811 } | |
| 3812 | |
| 3813 int TypeEnum::isfloating() | |
| 3814 { | |
| 3815 return 0; | |
| 3816 } | |
| 3817 | |
| 3818 int TypeEnum::isunsigned() | |
| 3819 { | |
| 3820 return sym->memtype->isunsigned(); | |
| 3821 } | |
| 3822 | |
| 3823 int TypeEnum::isscalar() | |
| 3824 { | |
| 3825 return 1; | |
| 3826 //return sym->memtype->isscalar(); | |
| 3827 } | |
| 3828 | |
| 3829 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3830 { MATCH m; | |
| 3831 | |
| 3832 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3833 if (this->equals(to)) | |
| 3834 m = MATCHexact; // exact match | |
| 3835 else if (sym->memtype->implicitConvTo(to)) | |
| 3836 m = MATCHconvert; // match with conversions | |
| 3837 else | |
| 3838 m = MATCHnomatch; // no match | |
| 3839 return m; | |
| 3840 } | |
| 3841 | |
| 3842 Expression *TypeEnum::defaultInit() | |
| 3843 { | |
| 3844 #if LOGDEFAULTINIT | |
| 3845 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3846 #endif | |
| 3847 // Initialize to first member of enum | |
| 3848 Expression *e; | |
| 3849 e = new IntegerExp(0, sym->defaultval, this); | |
| 3850 return e; | |
| 3851 } | |
| 3852 | |
| 3853 int TypeEnum::isZeroInit() | |
| 3854 { | |
| 3855 return (sym->defaultval == 0); | |
| 3856 } | |
| 3857 | |
| 3858 int TypeEnum::hasPointers() | |
| 3859 { | |
| 3860 return toBasetype()->hasPointers(); | |
| 3861 } | |
| 3862 | |
| 3863 /***************************** TypeTypedef *****************************/ | |
| 3864 | |
| 3865 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3866 : Type(Ttypedef, NULL) | |
| 3867 { | |
| 3868 this->sym = sym; | |
| 3869 } | |
| 3870 | |
| 3871 Type *TypeTypedef::syntaxCopy() | |
| 3872 { | |
| 3873 return this; | |
| 3874 } | |
| 3875 | |
| 3876 char *TypeTypedef::toChars() | |
| 3877 { | |
| 3878 return sym->toChars(); | |
| 3879 } | |
| 3880 | |
| 3881 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3882 { | |
| 3883 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3884 sym->semantic(sc); | |
| 3885 return merge(); | |
| 3886 } | |
| 3887 | |
| 3888 d_uns64 TypeTypedef::size(Loc loc) | |
| 3889 { | |
| 3890 return sym->basetype->size(loc); | |
| 3891 } | |
| 3892 | |
| 3893 unsigned TypeTypedef::alignsize() | |
| 3894 { | |
| 3895 return sym->basetype->alignsize(); | |
| 3896 } | |
| 3897 | |
| 3898 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3899 { | |
| 3900 return sym; | |
| 3901 } | |
| 3902 | |
| 3903 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3904 { unsigned len; | |
| 3905 char *name; | |
| 3906 | |
| 3907 name = sym->mangle(); | |
| 3908 // if (name[0] == '_' && name[1] == 'D') | |
| 3909 // name += 2; | |
| 3910 //len = strlen(name); | |
| 3911 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3912 buf->printf("%c%s", mangleChar[ty], name); | |
| 3913 } | |
| 3914 | |
| 3915 void TypeTypedef::toTypeInfoBuffer(OutBuffer *buf) | |
| 3916 { | |
| 3917 sym->basetype->toTypeInfoBuffer(buf); | |
| 3918 } | |
| 3919 | |
| 3920 void TypeTypedef::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3921 { | |
| 3922 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3923 buf->prependstring(sym->toChars()); | |
| 3924 if (ident) | |
| 3925 { buf->writeByte(' '); | |
| 3926 buf->writestring(ident->toChars()); | |
| 3927 } | |
| 3928 } | |
| 3929 | |
| 3930 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3931 { | |
| 3932 #if LOGDOTEXP | |
| 3933 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3934 #endif | |
| 3935 if (ident == Id::init) | |
| 3936 { | |
| 3937 return Type::dotExp(sc, e, ident); | |
| 3938 } | |
| 3939 return sym->basetype->dotExp(sc, e, ident); | |
| 3940 } | |
| 3941 | |
| 3942 int TypeTypedef::isbit() | |
| 3943 { | |
| 3944 return sym->basetype->isbit(); | |
| 3945 } | |
| 3946 | |
| 3947 int TypeTypedef::isintegral() | |
| 3948 { | |
| 3949 //printf("TypeTypedef::isintegral()\n"); | |
| 3950 //printf("sym = '%s'\n", sym->toChars()); | |
| 3951 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3952 return sym->basetype->isintegral(); | |
| 3953 } | |
| 3954 | |
| 3955 int TypeTypedef::isfloating() | |
| 3956 { | |
| 3957 return sym->basetype->isfloating(); | |
| 3958 } | |
| 3959 | |
| 3960 int TypeTypedef::isreal() | |
| 3961 { | |
| 3962 return sym->basetype->isreal(); | |
| 3963 } | |
| 3964 | |
| 3965 int TypeTypedef::isimaginary() | |
| 3966 { | |
| 3967 return sym->basetype->isimaginary(); | |
| 3968 } | |
| 3969 | |
| 3970 int TypeTypedef::iscomplex() | |
| 3971 { | |
| 3972 return sym->basetype->iscomplex(); | |
| 3973 } | |
| 3974 | |
| 3975 int TypeTypedef::isunsigned() | |
| 3976 { | |
| 3977 return sym->basetype->isunsigned(); | |
| 3978 } | |
| 3979 | |
| 3980 int TypeTypedef::isscalar() | |
| 3981 { | |
| 3982 return sym->basetype->isscalar(); | |
| 3983 } | |
| 3984 | |
| 3985 int TypeTypedef::checkBoolean() | |
| 3986 { | |
| 3987 return sym->basetype->checkBoolean(); | |
| 3988 } | |
| 3989 | |
| 3990 Type *TypeTypedef::toBasetype() | |
| 3991 { | |
| 3992 if (sym->inuse) | |
| 3993 { | |
| 3994 sym->error("circular definition"); | |
| 3995 sym->basetype = Type::terror; | |
| 3996 return Type::terror; | |
| 3997 } | |
| 3998 sym->inuse = 1; | |
| 3999 Type *t = sym->basetype->toBasetype(); | |
| 4000 sym->inuse = 0; | |
| 4001 return t; | |
| 4002 } | |
| 4003 | |
| 4004 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4005 { MATCH m; | |
| 4006 | |
| 4007 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4008 if (this->equals(to)) | |
| 4009 m = MATCHexact; // exact match | |
| 4010 else if (sym->basetype->implicitConvTo(to)) | |
| 4011 m = MATCHconvert; // match with conversions | |
| 4012 else | |
| 4013 m = MATCHnomatch; // no match | |
| 4014 return m; | |
| 4015 } | |
| 4016 | |
| 4017 Expression *TypeTypedef::defaultInit() | |
| 4018 { Expression *e; | |
| 4019 Type *bt; | |
| 4020 | |
| 4021 #if LOGDEFAULTINIT | |
| 4022 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4023 #endif | |
| 4024 if (sym->init) | |
| 4025 { | |
| 4026 //sym->init->toExpression()->print(); | |
| 4027 return sym->init->toExpression(); | |
| 4028 } | |
| 4029 bt = sym->basetype; | |
| 4030 e = bt->defaultInit(); | |
| 4031 e->type = this; | |
| 4032 while (bt->ty == Tsarray) | |
| 4033 { | |
| 4034 e->type = bt->next; | |
| 4035 bt = bt->next->toBasetype(); | |
| 4036 } | |
| 4037 return e; | |
| 4038 } | |
| 4039 | |
| 4040 int TypeTypedef::isZeroInit() | |
| 4041 { | |
| 4042 if (sym->init) | |
| 4043 { | |
| 4044 if (sym->init->isVoidInitializer()) | |
| 4045 return 1; // initialize voids to 0 | |
| 4046 Expression *e = sym->init->toExpression(); | |
| 4047 if (e && e->isBool(FALSE)) | |
| 4048 return 1; | |
| 4049 return 0; // assume not | |
| 4050 } | |
| 4051 if (sym->inuse) | |
| 4052 { | |
| 4053 sym->error("circular definition"); | |
| 4054 sym->basetype = Type::terror; | |
| 4055 } | |
| 4056 sym->inuse = 1; | |
| 4057 int result = sym->basetype->isZeroInit(); | |
| 4058 sym->inuse = 0; | |
| 4059 return result; | |
| 4060 } | |
| 4061 | |
| 4062 int TypeTypedef::hasPointers() | |
| 4063 { | |
| 4064 return toBasetype()->hasPointers(); | |
| 4065 } | |
| 4066 | |
| 4067 /***************************** TypeStruct *****************************/ | |
| 4068 | |
| 4069 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4070 : Type(Tstruct, NULL) | |
| 4071 { | |
| 4072 this->sym = sym; | |
| 4073 llvmInit = 0; | |
| 4074 } | |
| 4075 | |
| 4076 char *TypeStruct::toChars() | |
| 4077 { | |
| 4078 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4079 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4080 if (ti && ti->toAlias() == sym) | |
| 4081 return ti->toChars(); | |
| 4082 return sym->toChars(); | |
| 4083 } | |
| 4084 | |
| 4085 Type *TypeStruct::syntaxCopy() | |
| 4086 { | |
| 4087 return this; | |
| 4088 } | |
| 4089 | |
| 4090 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4091 { | |
| 4092 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4093 | |
| 4094 /* Cannot do semantic for sym because scope chain may not | |
| 4095 * be right. | |
| 4096 */ | |
| 4097 //sym->semantic(sc); | |
| 4098 | |
| 4099 return merge(); | |
| 4100 } | |
| 4101 | |
| 4102 d_uns64 TypeStruct::size(Loc loc) | |
| 4103 { | |
| 4104 return sym->size(loc); | |
| 4105 } | |
| 4106 | |
| 4107 unsigned TypeStruct::alignsize() | |
| 4108 { unsigned sz; | |
| 4109 | |
| 4110 sym->size(0); // give error for forward references | |
| 4111 sz = sym->alignsize; | |
| 4112 if (sz > sym->structalign) | |
| 4113 sz = sym->structalign; | |
| 4114 return sz; | |
| 4115 } | |
| 4116 | |
| 4117 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4118 { | |
| 4119 return sym; | |
| 4120 } | |
| 4121 | |
| 4122 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4123 { unsigned len; | |
| 4124 char *name; | |
| 4125 | |
| 4126 name = sym->mangle(); | |
| 4127 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4128 // if (name[0] == '_' && name[1] == 'D') | |
| 4129 // name += 2; | |
| 4130 //len = strlen(name); | |
| 4131 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4132 buf->printf("%c%s", mangleChar[ty], name); | |
| 4133 } | |
| 4134 | |
| 4135 void TypeStruct::toTypeInfoBuffer(OutBuffer *buf) | |
| 4136 { | |
| 4137 toDecoBuffer(buf); | |
| 4138 } | |
| 4139 | |
| 4140 | |
| 4141 void TypeStruct::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4142 { | |
| 4143 buf->prependbyte(' '); | |
| 4144 buf->prependstring(toChars()); | |
| 4145 if (ident) | |
| 4146 buf->writestring(ident->toChars()); | |
| 4147 } | |
| 4148 | |
| 4149 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4150 { unsigned offset; | |
| 4151 | |
| 4152 Expression *b; | |
| 4153 VarDeclaration *v; | |
| 4154 Dsymbol *s; | |
| 4155 DotVarExp *de; | |
| 4156 Declaration *d; | |
| 4157 | |
| 4158 #if LOGDOTEXP | |
| 4159 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4160 #endif | |
| 4161 if (!sym->members) | |
| 4162 { | |
| 4163 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4164 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4165 } | |
| 4166 | |
| 4167 if (ident == Id::tupleof) | |
| 4168 { | |
| 4169 /* Create a TupleExp | |
| 4170 */ | |
| 4171 Expressions *exps = new Expressions; | |
| 4172 exps->reserve(sym->fields.dim); | |
| 4173 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4174 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4175 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4176 exps->push(fe); | |
| 4177 } | |
| 4178 e = new TupleExp(e->loc, exps); | |
| 4179 e = e->semantic(sc); | |
| 4180 return e; | |
| 4181 } | |
| 4182 | |
| 4183 if (e->op == TOKdotexp) | |
| 4184 { DotExp *de = (DotExp *)e; | |
| 4185 | |
| 4186 if (de->e1->op == TOKimport) | |
| 4187 { | |
| 4188 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4189 | |
| 4190 s = se->sds->search(e->loc, ident, 0); | |
| 4191 e = de->e1; | |
| 4192 goto L1; | |
| 4193 } | |
| 4194 } | |
| 4195 | |
| 4196 s = sym->search(e->loc, ident, 0); | |
| 4197 L1: | |
| 4198 if (!s) | |
| 4199 { | |
| 4200 //return getProperty(e->loc, ident); | |
| 4201 return Type::dotExp(sc, e, ident); | |
| 4202 } | |
| 4203 s = s->toAlias(); | |
| 4204 | |
| 4205 v = s->isVarDeclaration(); | |
| 4206 if (v && v->isConst()) | |
| 4207 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4208 | |
| 4209 if (ei) | |
| 4210 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4211 e = e->semantic(sc); | |
| 4212 return e; | |
| 4213 } | |
| 4214 } | |
| 4215 | |
| 4216 if (s->getType()) | |
| 4217 { | |
| 4218 //return new DotTypeExp(e->loc, e, s); | |
| 4219 return new TypeExp(e->loc, s->getType()); | |
| 4220 } | |
| 4221 | |
| 4222 EnumMember *em = s->isEnumMember(); | |
| 4223 if (em) | |
| 4224 { | |
| 4225 assert(em->value); | |
| 4226 return em->value->copy(); | |
| 4227 } | |
| 4228 | |
| 4229 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4230 if (tm) | |
| 4231 { Expression *de; | |
| 4232 | |
| 4233 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4234 de->type = e->type; | |
| 4235 return de; | |
| 4236 } | |
| 4237 | |
| 4238 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4239 if (td) | |
| 4240 { | |
| 4241 e = new DotTemplateExp(e->loc, e, td); | |
| 4242 e->semantic(sc); | |
| 4243 return e; | |
| 4244 } | |
| 4245 | |
| 4246 d = s->isDeclaration(); | |
| 4247 #ifdef DEBUG | |
| 4248 if (!d) | |
| 4249 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4250 #endif | |
| 4251 assert(d); | |
| 4252 | |
| 4253 if (e->op == TOKtype) | |
| 4254 { FuncDeclaration *fd = sc->func; | |
| 4255 | |
| 4256 if (d->needThis() && fd && fd->vthis) | |
| 4257 { | |
| 4258 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4259 e = e->semantic(sc); | |
| 4260 return e; | |
| 4261 } | |
| 4262 if (d->isTupleDeclaration()) | |
| 4263 { | |
| 4264 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4265 e = e->semantic(sc); | |
| 4266 return e; | |
| 4267 } | |
| 4268 return new VarExp(e->loc, d); | |
| 4269 } | |
| 4270 | |
| 4271 if (d->isDataseg()) | |
| 4272 { | |
| 4273 // (e, d) | |
| 4274 VarExp *ve; | |
| 4275 | |
| 4276 accessCheck(e->loc, sc, e, d); | |
| 4277 ve = new VarExp(e->loc, d); | |
| 4278 e = new CommaExp(e->loc, e, ve); | |
| 4279 e->type = d->type; | |
| 4280 return e; | |
| 4281 } | |
| 4282 | |
| 4283 if (v) | |
| 4284 { | |
| 4285 if (v->toParent() != sym) | |
| 4286 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4287 | |
| 4288 // *(&e + offset) | |
| 4289 accessCheck(e->loc, sc, e, d); | |
| 4290 b = new AddrExp(e->loc, e); | |
| 4291 b->type = e->type->pointerTo(); | |
| 4292 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
| 4293 b->type = v->type->pointerTo(); | |
| 4294 e = new PtrExp(e->loc, b); | |
| 4295 e->type = v->type; | |
| 4296 return e; | |
| 4297 } | |
| 4298 | |
| 4299 de = new DotVarExp(e->loc, e, d); | |
| 4300 return de->semantic(sc); | |
| 4301 } | |
| 4302 | |
| 4303 unsigned TypeStruct::memalign(unsigned salign) | |
| 4304 { | |
| 4305 sym->size(0); // give error for forward references | |
| 4306 return sym->structalign; | |
| 4307 } | |
| 4308 | |
| 4309 Expression *TypeStruct::defaultInit() | |
| 4310 { Symbol *s; | |
| 4311 Declaration *d; | |
| 4312 | |
| 4313 #if LOGDEFAULTINIT | |
| 4314 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4315 #endif | |
| 4316 s = sym->toInitializer(); | |
| 4317 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4318 assert(d); | |
| 4319 d->type = this; | |
| 4320 return new VarExp(sym->loc, d); | |
| 4321 } | |
| 4322 | |
| 4323 int TypeStruct::isZeroInit() | |
| 4324 { | |
| 4325 return sym->zeroInit; | |
| 4326 } | |
| 4327 | |
| 4328 int TypeStruct::checkBoolean() | |
| 4329 { | |
| 4330 return FALSE; | |
| 4331 } | |
| 4332 | |
| 4333 int TypeStruct::hasPointers() | |
| 4334 { | |
| 4335 StructDeclaration *s = sym; | |
| 4336 | |
| 4337 sym->size(0); // give error for forward references | |
| 4338 if (s->members) | |
| 4339 { | |
| 4340 for (size_t i = 0; i < s->members->dim; i++) | |
| 4341 { | |
| 4342 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4343 if (sm->hasPointers()) | |
| 4344 return TRUE; | |
| 4345 } | |
| 4346 } | |
| 4347 return FALSE; | |
| 4348 } | |
| 4349 | |
| 4350 | |
| 4351 /***************************** TypeClass *****************************/ | |
| 4352 | |
| 4353 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4354 : Type(Tclass, NULL) | |
| 4355 { | |
| 4356 this->sym = sym; | |
| 4357 llvmInit = 0; | |
| 4358 } | |
| 4359 | |
| 4360 char *TypeClass::toChars() | |
| 4361 { | |
| 4362 return sym->toPrettyChars(); | |
| 4363 } | |
| 4364 | |
| 4365 Type *TypeClass::syntaxCopy() | |
| 4366 { | |
| 4367 return this; | |
| 4368 } | |
| 4369 | |
| 4370 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4371 { | |
| 4372 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4373 if (sym->scope) | |
| 4374 sym->semantic(sym->scope); | |
| 4375 return merge(); | |
| 4376 } | |
| 4377 | |
| 4378 d_uns64 TypeClass::size(Loc loc) | |
| 4379 { | |
| 4380 return PTRSIZE; | |
| 4381 } | |
| 4382 | |
| 4383 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4384 { | |
| 4385 return sym; | |
| 4386 } | |
| 4387 | |
| 4388 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4389 { unsigned len; | |
| 4390 char *name; | |
| 4391 | |
| 4392 name = sym->mangle(); | |
| 4393 // if (name[0] == '_' && name[1] == 'D') | |
| 4394 // name += 2; | |
| 4395 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4396 //len = strlen(name); | |
| 4397 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4398 buf->printf("%c%s", mangleChar[ty], name); | |
| 4399 } | |
| 4400 | |
| 4401 void TypeClass::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4402 { | |
| 4403 buf->prependstring(sym->toChars()); | |
| 4404 if (ident) | |
| 4405 { buf->writeByte(' '); | |
| 4406 buf->writestring(ident->toChars()); | |
| 4407 } | |
| 4408 } | |
| 4409 | |
| 4410 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4411 { unsigned offset; | |
| 4412 | |
| 4413 Expression *b; | |
| 4414 VarDeclaration *v; | |
| 4415 Dsymbol *s; | |
| 4416 DotVarExp *de; | |
| 4417 Declaration *d; | |
| 4418 | |
| 4419 #if LOGDOTEXP | |
| 4420 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4421 #endif | |
| 4422 | |
| 4423 if (e->op == TOKdotexp) | |
| 4424 { DotExp *de = (DotExp *)e; | |
| 4425 | |
| 4426 if (de->e1->op == TOKimport) | |
| 4427 { | |
| 4428 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4429 | |
| 4430 s = se->sds->search(e->loc, ident, 0); | |
| 4431 e = de->e1; | |
| 4432 goto L1; | |
| 4433 } | |
| 4434 } | |
| 4435 | |
| 4436 if (ident == Id::tupleof) | |
| 4437 { | |
| 4438 /* Create a TupleExp | |
| 4439 */ | |
| 4440 Expressions *exps = new Expressions; | |
| 4441 exps->reserve(sym->fields.dim); | |
| 4442 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4443 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4444 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4445 exps->push(fe); | |
| 4446 } | |
| 4447 e = new TupleExp(e->loc, exps); | |
| 4448 e = e->semantic(sc); | |
| 4449 return e; | |
| 4450 } | |
| 4451 | |
| 4452 s = sym->search(e->loc, ident, 0); | |
| 4453 L1: | |
| 4454 if (!s) | |
| 4455 { | |
| 4456 // See if it's a base class | |
| 4457 ClassDeclaration *cbase; | |
| 4458 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4459 { | |
| 4460 if (cbase->ident->equals(ident)) | |
| 4461 { | |
| 4462 e = new DotTypeExp(0, e, cbase); | |
| 4463 return e; | |
| 4464 } | |
| 4465 } | |
| 4466 | |
| 4467 if (ident == Id::classinfo) | |
| 4468 { | |
| 4469 Type *t; | |
| 4470 | |
| 4471 assert(ClassDeclaration::classinfo); | |
| 4472 t = ClassDeclaration::classinfo->type; | |
| 4473 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4474 { | |
| 4475 if (!sym->vclassinfo) | |
| 4476 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4477 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4478 e = e->addressOf(sc); | |
| 4479 e->type = t; // do this so we don't get redundant dereference | |
| 4480 } | |
| 4481 else | |
| 4482 { | |
| 4483 e = new PtrExp(e->loc, e); | |
| 4484 e->type = t->pointerTo(); | |
| 4485 if (sym->isInterfaceDeclaration()) | |
| 4486 { | |
| 4487 if (sym->isCOMclass()) | |
| 4488 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4489 e->type = e->type->pointerTo(); | |
| 4490 e = new PtrExp(e->loc, e); | |
| 4491 e->type = t->pointerTo(); | |
| 4492 } | |
| 4493 e = new PtrExp(e->loc, e, t); | |
| 4494 } | |
| 4495 return e; | |
| 4496 } | |
| 4497 | |
| 4498 if (ident == Id::typeinfo) | |
| 4499 { | |
| 4500 if (!global.params.useDeprecated) | |
| 4501 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4502 return getTypeInfo(sc); | |
| 4503 } | |
| 4504 if (ident == Id::outer && sym->vthis) | |
| 4505 { | |
| 4506 s = sym->vthis; | |
| 4507 } | |
| 4508 else | |
| 4509 { | |
| 4510 //return getProperty(e->loc, ident); | |
| 4511 return Type::dotExp(sc, e, ident); | |
| 4512 } | |
| 4513 } | |
| 4514 s = s->toAlias(); | |
| 4515 v = s->isVarDeclaration(); | |
| 4516 if (v && v->isConst()) | |
| 4517 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4518 | |
| 4519 if (ei) | |
| 4520 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4521 e = e->semantic(sc); | |
| 4522 return e; | |
| 4523 } | |
| 4524 } | |
| 4525 | |
| 4526 if (s->getType()) | |
| 4527 { | |
| 4528 // if (e->op == TOKtype) | |
| 4529 return new TypeExp(e->loc, s->getType()); | |
| 4530 // return new DotTypeExp(e->loc, e, s); | |
| 4531 } | |
| 4532 | |
| 4533 EnumMember *em = s->isEnumMember(); | |
| 4534 if (em) | |
| 4535 { | |
| 4536 assert(em->value); | |
| 4537 return em->value->copy(); | |
| 4538 } | |
| 4539 | |
| 4540 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4541 if (tm) | |
| 4542 { Expression *de; | |
| 4543 | |
| 4544 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4545 de->type = e->type; | |
| 4546 return de; | |
| 4547 } | |
| 4548 | |
| 4549 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4550 if (td) | |
| 4551 { | |
| 4552 e = new DotTemplateExp(e->loc, e, td); | |
| 4553 e->semantic(sc); | |
| 4554 return e; | |
| 4555 } | |
| 4556 | |
| 4557 d = s->isDeclaration(); | |
| 4558 if (!d) | |
| 4559 { | |
| 4560 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4561 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4562 } | |
| 4563 | |
| 4564 if (e->op == TOKtype) | |
| 4565 { | |
| 4566 VarExp *ve; | |
| 4567 | |
| 4568 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4569 { | |
| 4570 if (sc->func) | |
| 4571 { | |
| 4572 ClassDeclaration *thiscd; | |
| 4573 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4574 | |
| 4575 if (thiscd) | |
| 4576 { | |
| 4577 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4578 | |
| 4579 if (cd == thiscd) | |
| 4580 { | |
| 4581 e = new ThisExp(e->loc); | |
| 4582 e = new DotTypeExp(e->loc, e, cd); | |
| 4583 de = new DotVarExp(e->loc, e, d); | |
| 4584 e = de->semantic(sc); | |
| 4585 return e; | |
| 4586 } | |
| 4587 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4588 !d->isFuncDeclaration()) | |
| 4589 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4590 } | |
| 4591 } | |
| 4592 | |
| 4593 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4594 e = de->semantic(sc); | |
| 4595 return e; | |
| 4596 } | |
| 4597 else if (d->isTupleDeclaration()) | |
| 4598 { | |
| 4599 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4600 e = e->semantic(sc); | |
| 4601 return e; | |
| 4602 } | |
| 4603 else | |
| 4604 ve = new VarExp(e->loc, d); | |
| 4605 return ve; | |
| 4606 } | |
| 4607 | |
| 4608 if (d->isDataseg()) | |
| 4609 { | |
| 4610 // (e, d) | |
| 4611 VarExp *ve; | |
| 4612 | |
| 4613 accessCheck(e->loc, sc, e, d); | |
| 4614 ve = new VarExp(e->loc, d); | |
| 4615 e = new CommaExp(e->loc, e, ve); | |
| 4616 e->type = d->type; | |
| 4617 return e; | |
| 4618 } | |
| 4619 | |
| 4620 if (d->parent && d->toParent()->isModule()) | |
| 4621 { | |
| 4622 // (e, d) | |
| 4623 VarExp *ve; | |
| 4624 | |
| 4625 ve = new VarExp(e->loc, d); | |
| 4626 e = new CommaExp(e->loc, e, ve); | |
| 4627 e->type = d->type; | |
| 4628 return e; | |
| 4629 } | |
| 4630 | |
| 4631 de = new DotVarExp(e->loc, e, d); | |
| 4632 return de->semantic(sc); | |
| 4633 } | |
| 4634 | |
| 4635 ClassDeclaration *TypeClass::isClassHandle() | |
| 4636 { | |
| 4637 return sym; | |
| 4638 } | |
| 4639 | |
| 4640 int TypeClass::isauto() | |
| 4641 { | |
| 4642 return sym->isauto; | |
| 4643 } | |
| 4644 | |
| 4645 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4646 { | |
| 4647 if (t->ty == Tclass) | |
| 4648 { ClassDeclaration *cd; | |
| 4649 | |
| 4650 cd = ((TypeClass *)t)->sym; | |
| 4651 if (sym->isBaseOf(cd, poffset)) | |
| 4652 return 1; | |
| 4653 } | |
| 4654 return 0; | |
| 4655 } | |
| 4656 | |
| 4657 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4658 { | |
| 4659 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4660 if (this == to) | |
| 4661 return MATCHexact; | |
| 4662 | |
| 4663 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4664 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4665 { //printf("is base\n"); | |
| 4666 return MATCHconvert; | |
| 4667 } | |
| 4668 | |
| 4669 if (global.params.Dversion == 1) | |
| 4670 { | |
| 4671 // Allow conversion to (void *) | |
| 4672 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4673 return MATCHconvert; | |
| 4674 } | |
| 4675 | |
| 4676 return MATCHnomatch; | |
| 4677 } | |
| 4678 | |
| 4679 Expression *TypeClass::defaultInit() | |
| 4680 { | |
| 4681 #if LOGDEFAULTINIT | |
| 4682 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4683 #endif | |
| 4684 Expression *e; | |
| 4685 e = new NullExp(0); | |
| 4686 e->type = this; | |
| 4687 return e; | |
| 4688 } | |
| 4689 | |
| 4690 int TypeClass::isZeroInit() | |
| 4691 { | |
| 4692 return 1; | |
| 4693 } | |
| 4694 | |
| 4695 int TypeClass::checkBoolean() | |
| 4696 { | |
| 4697 return TRUE; | |
| 4698 } | |
| 4699 | |
| 4700 int TypeClass::hasPointers() | |
| 4701 { | |
| 4702 return TRUE; | |
| 4703 } | |
| 4704 | |
| 4705 /***************************** TypeTuple *****************************/ | |
| 4706 | |
| 4707 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4708 : Type(Ttuple, NULL) | |
| 4709 { | |
| 4710 //printf("TypeTuple(this = %p)\n", this); | |
| 4711 this->arguments = arguments; | |
| 4712 #ifdef DEBUG | |
| 4713 if (arguments) | |
| 4714 { | |
| 4715 for (size_t i = 0; i < arguments->dim; i++) | |
| 4716 { | |
| 4717 Argument *arg = (Argument *)arguments->data[i]; | |
| 4718 assert(arg && arg->type); | |
| 4719 } | |
| 4720 } | |
| 4721 #endif | |
| 4722 } | |
| 4723 | |
| 4724 /**************** | |
| 4725 * Form TypeTuple from the types of the expressions. | |
| 4726 * Assume exps[] is already tuple expanded. | |
| 4727 */ | |
| 4728 | |
| 4729 TypeTuple::TypeTuple(Expressions *exps) | |
| 4730 : Type(Ttuple, NULL) | |
| 4731 { | |
| 4732 Arguments *arguments = new Arguments; | |
| 4733 if (exps) | |
| 4734 { | |
| 4735 arguments->setDim(exps->dim); | |
| 4736 for (size_t i = 0; i < exps->dim; i++) | |
| 4737 { Expression *e = (Expression *)exps->data[i]; | |
| 4738 if (e->type->ty == Ttuple) | |
| 4739 e->error("cannot form tuple of tuples"); | |
| 4740 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4741 arguments->data[i] = (void *)arg; | |
| 4742 } | |
| 4743 } | |
| 4744 this->arguments = arguments; | |
| 4745 } | |
| 4746 | |
| 4747 Type *TypeTuple::syntaxCopy() | |
| 4748 { | |
| 4749 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4750 Type *t = new TypeTuple(args); | |
| 4751 return t; | |
| 4752 } | |
| 4753 | |
| 4754 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4755 { | |
| 4756 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4757 if (!deco) | |
| 4758 deco = merge()->deco; | |
| 4759 | |
| 4760 /* Don't return merge(), because a tuple with one type has the | |
| 4761 * same deco as that type. | |
| 4762 */ | |
| 4763 return this; | |
| 4764 } | |
| 4765 | |
| 4766 int TypeTuple::equals(Object *o) | |
| 4767 { Type *t; | |
| 4768 | |
| 4769 t = (Type *)o; | |
| 4770 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4771 if (this == t) | |
| 4772 { | |
| 4773 return 1; | |
| 4774 } | |
| 4775 if (t->ty == Ttuple) | |
| 4776 { TypeTuple *tt = (TypeTuple *)t; | |
| 4777 | |
| 4778 if (arguments->dim == tt->arguments->dim) | |
| 4779 { | |
| 4780 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4781 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4782 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4783 | |
| 4784 if (!arg1->type->equals(arg2->type)) | |
| 4785 return 0; | |
| 4786 } | |
| 4787 return 1; | |
| 4788 } | |
| 4789 } | |
| 4790 return 0; | |
| 4791 } | |
| 4792 | |
| 4793 Type *TypeTuple::reliesOnTident() | |
| 4794 { | |
| 4795 if (arguments) | |
| 4796 { | |
| 4797 for (size_t i = 0; i < arguments->dim; i++) | |
| 4798 { | |
| 4799 Argument *arg = (Argument *)arguments->data[i]; | |
| 4800 Type *t = arg->type->reliesOnTident(); | |
| 4801 if (t) | |
| 4802 return t; | |
| 4803 } | |
| 4804 } | |
| 4805 return NULL; | |
| 4806 } | |
| 4807 | |
| 4808 void TypeTuple::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4809 { | |
| 4810 OutBuffer buf2; | |
| 4811 Argument::argsToCBuffer(&buf2, hgs, arguments, 0); | |
| 4812 buf->prependstring(buf2.toChars()); | |
| 4813 if (ident) | |
| 4814 { buf->writeByte(' '); | |
| 4815 buf->writestring(ident->toChars()); | |
| 4816 } | |
| 4817 } | |
| 4818 | |
| 4819 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4820 { | |
| 4821 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4822 OutBuffer buf2; | |
| 4823 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4824 unsigned len = buf2.offset; | |
| 4825 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4826 } | |
| 4827 | |
| 4828 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4829 { Expression *e; | |
| 4830 | |
| 4831 #if LOGDOTEXP | |
| 4832 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4833 #endif | |
| 4834 if (ident == Id::length) | |
| 4835 { | |
| 4836 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4837 } | |
| 4838 else | |
| 4839 { | |
| 4840 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4841 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4842 } | |
| 4843 return e; | |
| 4844 } | |
| 4845 | |
| 4846 /***************************** TypeSlice *****************************/ | |
| 4847 | |
| 4848 /* This is so we can slice a TypeTuple */ | |
| 4849 | |
| 4850 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4851 : Type(Tslice, next) | |
| 4852 { | |
| 4853 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4854 this->lwr = lwr; | |
| 4855 this->upr = upr; | |
| 4856 } | |
| 4857 | |
| 4858 Type *TypeSlice::syntaxCopy() | |
| 4859 { | |
| 4860 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4861 return t; | |
| 4862 } | |
| 4863 | |
| 4864 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4865 { | |
| 4866 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4867 next = next->semantic(loc, sc); | |
| 4868 //printf("next: %s\n", next->toChars()); | |
| 4869 | |
| 4870 Type *tbn = next->toBasetype(); | |
| 4871 if (tbn->ty != Ttuple) | |
| 4872 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4873 return Type::terror; | |
| 4874 } | |
| 4875 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4876 | |
| 4877 lwr = semanticLength(sc, tbn, lwr); | |
| 4878 lwr = lwr->optimize(WANTvalue); | |
| 4879 uinteger_t i1 = lwr->toUInteger(); | |
| 4880 | |
| 4881 upr = semanticLength(sc, tbn, upr); | |
| 4882 upr = upr->optimize(WANTvalue); | |
| 4883 uinteger_t i2 = upr->toUInteger(); | |
| 4884 | |
| 4885 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4886 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4887 return Type::terror; | |
| 4888 } | |
| 4889 | |
| 4890 Arguments *args = new Arguments; | |
| 4891 args->reserve(i2 - i1); | |
| 4892 for (size_t i = i1; i < i2; i++) | |
| 4893 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4894 args->push(arg); | |
| 4895 } | |
| 4896 | |
| 4897 return new TypeTuple(args); | |
| 4898 } | |
| 4899 | |
| 4900 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4901 { | |
| 4902 next->resolve(loc, sc, pe, pt, ps); | |
| 4903 if (*pe) | |
| 4904 { // It's really a slice expression | |
| 4905 Expression *e; | |
| 4906 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4907 *pe = e; | |
| 4908 } | |
| 4909 else if (*ps) | |
| 4910 { Dsymbol *s = *ps; | |
| 4911 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4912 if (td) | |
| 4913 { | |
| 4914 /* It's a slice of a TupleDeclaration | |
| 4915 */ | |
| 4916 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4917 sym->parent = sc->scopesym; | |
| 4918 sc = sc->push(sym); | |
| 4919 | |
| 4920 lwr = lwr->semantic(sc); | |
| 4921 lwr = lwr->optimize(WANTvalue); | |
| 4922 uinteger_t i1 = lwr->toUInteger(); | |
| 4923 | |
| 4924 upr = upr->semantic(sc); | |
| 4925 upr = upr->optimize(WANTvalue); | |
| 4926 uinteger_t i2 = upr->toUInteger(); | |
| 4927 | |
| 4928 sc = sc->pop(); | |
| 4929 | |
| 4930 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 4931 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 4932 goto Ldefault; | |
| 4933 } | |
| 4934 | |
| 4935 if (i1 == 0 && i2 == td->objects->dim) | |
| 4936 { | |
| 4937 *ps = td; | |
| 4938 return; | |
| 4939 } | |
| 4940 | |
| 4941 /* Create a new TupleDeclaration which | |
| 4942 * is a slice [i1..i2] out of the old one. | |
| 4943 */ | |
| 4944 Objects *objects = new Objects; | |
| 4945 objects->setDim(i2 - i1); | |
| 4946 for (size_t i = 0; i < objects->dim; i++) | |
| 4947 { | |
| 4948 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 4949 } | |
| 4950 | |
| 4951 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 4952 *ps = tds; | |
| 4953 } | |
| 4954 else | |
| 4955 goto Ldefault; | |
| 4956 } | |
| 4957 else | |
| 4958 { | |
| 4959 Ldefault: | |
| 4960 Type::resolve(loc, sc, pe, pt, ps); | |
| 4961 } | |
| 4962 } | |
| 4963 | |
| 4964 void TypeSlice::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4965 { | |
| 4966 OutBuffer buf2; | |
| 4967 | |
| 4968 buf2.printf("[%s .. ", lwr->toChars()); | |
| 4969 buf2.printf("%s]", upr->toChars()); | |
| 4970 | |
| 4971 buf->prependstring(buf2.toChars()); | |
| 4972 if (ident) | |
| 4973 { | |
| 4974 buf->writeByte(' '); | |
| 4975 buf->writestring(ident->toChars()); | |
| 4976 } | |
| 4977 next->toCBuffer2(buf, NULL, hgs); | |
| 4978 } | |
| 4979 | |
| 4980 /***************************** Argument *****************************/ | |
| 4981 | |
| 4982 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 4983 { | |
| 4984 this->type = type; | |
| 4985 this->ident = ident; | |
| 4986 this->storageClass = storageClass; | |
| 4987 this->defaultArg = defaultArg; | |
| 4988 this->llvmCopy = false; | |
| 4989 this->vardecl = 0; | |
| 4990 } | |
| 4991 | |
| 4992 Argument *Argument::syntaxCopy() | |
| 4993 { | |
| 4994 Argument *a = new Argument(storageClass, | |
| 4995 type ? type->syntaxCopy() : NULL, | |
| 4996 ident, | |
| 4997 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
| 4998 return a; | |
| 4999 } | |
| 5000 | |
| 5001 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5002 { Arguments *a = NULL; | |
| 5003 | |
| 5004 if (args) | |
| 5005 { | |
| 5006 a = new Arguments(); | |
| 5007 a->setDim(args->dim); | |
| 5008 for (size_t i = 0; i < a->dim; i++) | |
| 5009 { Argument *arg = (Argument *)args->data[i]; | |
| 5010 | |
| 5011 arg = arg->syntaxCopy(); | |
| 5012 a->data[i] = (void *)arg; | |
| 5013 } | |
| 5014 } | |
| 5015 return a; | |
| 5016 } | |
| 5017 | |
| 5018 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5019 { OutBuffer *buf; | |
| 5020 | |
| 5021 buf = new OutBuffer(); | |
| 5022 | |
| 5023 buf->writeByte('('); | |
| 5024 if (args) | |
| 5025 { int i; | |
| 5026 OutBuffer argbuf; | |
| 5027 HdrGenState hgs; | |
| 5028 | |
| 5029 for (i = 0; i < args->dim; i++) | |
| 5030 { Argument *arg; | |
| 5031 | |
| 5032 if (i) | |
| 5033 buf->writeByte(','); | |
| 5034 arg = (Argument *)args->data[i]; | |
| 5035 argbuf.reset(); | |
| 5036 arg->type->toCBuffer2(&argbuf, NULL, &hgs); | |
| 5037 buf->write(&argbuf); | |
| 5038 } | |
| 5039 if (varargs) | |
| 5040 { | |
| 5041 if (i && varargs == 1) | |
| 5042 buf->writeByte(','); | |
| 5043 buf->writestring("..."); | |
| 5044 } | |
| 5045 } | |
| 5046 buf->writeByte(')'); | |
| 5047 | |
| 5048 return buf->toChars(); | |
| 5049 } | |
| 5050 | |
| 5051 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5052 { | |
| 5053 buf->writeByte('('); | |
| 5054 if (arguments) | |
| 5055 { int i; | |
| 5056 OutBuffer argbuf; | |
| 5057 | |
| 5058 for (i = 0; i < arguments->dim; i++) | |
| 5059 { Argument *arg; | |
| 5060 | |
| 5061 if (i) | |
| 5062 buf->writestring(", "); | |
| 5063 arg = (Argument *)arguments->data[i]; | |
| 5064 if (arg->storageClass & STCout) | |
| 5065 buf->writestring("out "); | |
| 5066 else if (arg->storageClass & STCref) | |
| 5067 buf->writestring((global.params.Dversion == 1) | |
| 5068 ? (char *)"inout " : (char *)"ref "); | |
| 5069 else if (arg->storageClass & STClazy) | |
| 5070 buf->writestring("lazy "); | |
| 5071 argbuf.reset(); | |
| 5072 arg->type->toCBuffer2(&argbuf, arg->ident, hgs); | |
| 5073 if (arg->defaultArg) | |
| 5074 { | |
| 5075 argbuf.writestring(" = "); | |
| 5076 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5077 } | |
| 5078 buf->write(&argbuf); | |
| 5079 } | |
| 5080 if (varargs) | |
| 5081 { | |
| 5082 if (i && varargs == 1) | |
| 5083 buf->writeByte(','); | |
| 5084 buf->writestring("..."); | |
| 5085 } | |
| 5086 } | |
| 5087 buf->writeByte(')'); | |
| 5088 } | |
| 5089 | |
| 5090 | |
| 5091 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5092 { | |
| 5093 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5094 | |
| 5095 // Write argument types | |
| 5096 if (arguments) | |
| 5097 { | |
| 5098 size_t dim = Argument::dim(arguments); | |
| 5099 for (size_t i = 0; i < dim; i++) | |
| 5100 { | |
| 5101 Argument *arg = Argument::getNth(arguments, i); | |
| 5102 arg->toDecoBuffer(buf); | |
| 5103 } | |
| 5104 } | |
| 5105 } | |
| 5106 | |
| 5107 /**************************************************** | |
| 5108 * Determine if parameter is a lazy array of delegates. | |
| 5109 * If so, return the return type of those delegates. | |
| 5110 * If not, return NULL. | |
| 5111 */ | |
| 5112 | |
| 5113 Type *Argument::isLazyArray() | |
| 5114 { | |
| 5115 // if (inout == Lazy) | |
| 5116 { | |
| 5117 Type *tb = type->toBasetype(); | |
| 5118 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5119 { | |
| 5120 Type *tel = tb->next->toBasetype(); | |
| 5121 if (tel->ty == Tdelegate) | |
| 5122 { | |
| 5123 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5124 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5125 | |
| 5126 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5127 { | |
| 5128 return tf->next; // return type of delegate | |
| 5129 } | |
| 5130 } | |
| 5131 } | |
| 5132 } | |
| 5133 return NULL; | |
| 5134 } | |
| 5135 | |
| 5136 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5137 { | |
| 5138 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5139 { case 0: | |
| 5140 case STCin: | |
| 5141 break; | |
| 5142 case STCout: | |
| 5143 buf->writeByte('J'); | |
| 5144 break; | |
| 5145 case STCref: | |
| 5146 buf->writeByte('K'); | |
| 5147 break; | |
| 5148 case STClazy: | |
| 5149 buf->writeByte('L'); | |
| 5150 break; | |
| 5151 default: | |
| 5152 #ifdef DEBUG | |
| 5153 halt(); | |
| 5154 #endif | |
| 5155 assert(0); | |
| 5156 } | |
| 5157 type->toDecoBuffer(buf); | |
| 5158 } | |
| 5159 | |
| 5160 /*************************************** | |
| 5161 * Determine number of arguments, folding in tuples. | |
| 5162 */ | |
| 5163 | |
| 5164 size_t Argument::dim(Arguments *args) | |
| 5165 { | |
| 5166 size_t n = 0; | |
| 5167 if (args) | |
| 5168 { | |
| 5169 for (size_t i = 0; i < args->dim; i++) | |
| 5170 { Argument *arg = (Argument *)args->data[i]; | |
| 5171 Type *t = arg->type->toBasetype(); | |
| 5172 | |
| 5173 if (t->ty == Ttuple) | |
| 5174 { TypeTuple *tu = (TypeTuple *)t; | |
| 5175 n += dim(tu->arguments); | |
| 5176 } | |
| 5177 else | |
| 5178 n++; | |
| 5179 } | |
| 5180 } | |
| 5181 return n; | |
| 5182 } | |
| 5183 | |
| 5184 /*************************************** | |
| 5185 * Get nth Argument, folding in tuples. | |
| 5186 * Returns: | |
| 5187 * Argument* nth Argument | |
| 5188 * NULL not found, *pn gets incremented by the number | |
| 5189 * of Arguments | |
| 5190 */ | |
| 5191 | |
| 5192 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5193 { | |
| 5194 if (!args) | |
| 5195 return NULL; | |
| 5196 | |
| 5197 size_t n = 0; | |
| 5198 for (size_t i = 0; i < args->dim; i++) | |
| 5199 { Argument *arg = (Argument *)args->data[i]; | |
| 5200 Type *t = arg->type->toBasetype(); | |
| 5201 | |
| 5202 if (t->ty == Ttuple) | |
| 5203 { TypeTuple *tu = (TypeTuple *)t; | |
| 5204 arg = getNth(tu->arguments, nth - n, &n); | |
| 5205 if (arg) | |
| 5206 return arg; | |
| 5207 } | |
| 5208 else if (n == nth) | |
| 5209 return arg; | |
| 5210 else | |
| 5211 n++; | |
| 5212 } | |
| 5213 | |
| 5214 if (pn) | |
| 5215 *pn += n; | |
| 5216 return NULL; | |
| 5217 } |