Mercurial > projects > ldc
annotate dmd/mtype.c @ 73:b706170e24a9 trunk
[svn r77] Fixed foreach on slice.
Fixed some nested function problems when accessing outer function parameters.
Major changes to handling of structs.
Initial support for unions.
Probably more...
| author | lindquist |
|---|---|
| date | Wed, 31 Oct 2007 03:11:32 +0100 |
| parents | 3cfcb944304e |
| children | 70d6113eeb8c |
| 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 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
557 if (ty == Tvoid) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
558 error(loc, "void does not have an initializer"); |
| 1 | 559 e = defaultInit(); |
| 560 e->loc = loc; | |
| 561 } | |
| 562 else if (ident == Id::mangleof) | |
| 563 { | |
| 564 assert(deco); | |
| 565 e = new StringExp(loc, deco, strlen(deco), 'c'); | |
| 566 Scope sc; | |
| 567 e = e->semantic(&sc); | |
| 568 } | |
| 569 else if (ident == Id::stringof) | |
| 570 { char *s = toChars(); | |
| 571 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 572 Scope sc; | |
| 573 e = e->semantic(&sc); | |
| 574 } | |
| 575 else | |
| 576 { | |
| 577 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars()); | |
| 578 e = new IntegerExp(loc, 1, Type::tint32); | |
| 579 } | |
| 580 return e; | |
| 581 } | |
| 582 | |
| 583 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 584 { VarDeclaration *v = NULL; | |
| 585 | |
| 586 #if LOGDOTEXP | |
| 587 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 588 #endif | |
| 589 if (e->op == TOKdotvar) | |
| 590 { | |
| 591 DotVarExp *dv = (DotVarExp *)e; | |
| 592 v = dv->var->isVarDeclaration(); | |
| 593 } | |
| 594 else if (e->op == TOKvar) | |
| 595 { | |
| 596 VarExp *ve = (VarExp *)e; | |
| 597 v = ve->var->isVarDeclaration(); | |
| 598 } | |
| 599 if (v) | |
| 600 { | |
| 601 if (ident == Id::offset) | |
| 602 { | |
| 603 if (!global.params.useDeprecated) | |
| 604 error(e->loc, ".offset deprecated, use .offsetof"); | |
| 605 goto Loffset; | |
| 606 } | |
| 607 else if (ident == Id::offsetof) | |
| 608 { | |
| 609 Loffset: | |
| 610 if (v->storage_class & STCfield) | |
| 611 { | |
| 612 e = new IntegerExp(e->loc, v->offset, Type::tsize_t); | |
| 613 return e; | |
| 614 } | |
| 615 } | |
| 616 else if (ident == Id::init) | |
| 617 { | |
| 618 #if 0 | |
| 619 if (v->init) | |
| 620 { | |
| 621 if (v->init->isVoidInitializer()) | |
| 622 error(e->loc, "%s.init is void", v->toChars()); | |
| 623 else | |
| 624 { Loc loc = e->loc; | |
| 625 e = v->init->toExpression(); | |
| 626 if (e->op == TOKassign || e->op == TOKconstruct) | |
| 627 { | |
| 628 e = ((AssignExp *)e)->e2; | |
| 629 | |
| 630 /* Take care of case where we used a 0 | |
| 631 * to initialize the struct. | |
| 632 */ | |
| 633 if (e->type == Type::tint32 && | |
| 634 e->isBool(0) && | |
| 635 v->type->toBasetype()->ty == Tstruct) | |
| 636 { | |
| 637 e = v->type->defaultInit(); | |
| 638 } | |
| 639 } | |
| 640 e = e->optimize(WANTvalue | WANTinterpret); | |
| 641 // if (!e->isConst()) | |
| 642 // error(loc, ".init cannot be evaluated at compile time"); | |
| 643 } | |
| 644 return e; | |
| 645 } | |
| 646 #endif | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
647 Expression *ex = defaultInit(); |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
648 ex->loc = e->loc; |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
649 return ex; |
| 1 | 650 } |
| 651 } | |
| 652 if (ident == Id::typeinfo) | |
| 653 { | |
| 654 if (!global.params.useDeprecated) | |
| 655 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 656 e = getTypeInfo(sc); | |
| 657 return e; | |
| 658 } | |
| 659 if (ident == Id::stringof) | |
| 660 { char *s = e->toChars(); | |
| 661 e = new StringExp(e->loc, s, strlen(s), 'c'); | |
| 662 Scope sc; | |
| 663 e = e->semantic(&sc); | |
| 664 return e; | |
| 665 } | |
| 666 return getProperty(e->loc, ident); | |
| 667 } | |
| 668 | |
| 669 unsigned Type::memalign(unsigned salign) | |
| 670 { | |
| 671 return salign; | |
| 672 } | |
| 673 | |
| 674 void Type::error(Loc loc, const char *format, ...) | |
| 675 { | |
| 676 va_list ap; | |
| 677 va_start(ap, format); | |
| 678 ::verror(loc, format, ap); | |
| 679 va_end( ap ); | |
| 680 } | |
| 681 | |
| 682 Identifier *Type::getTypeInfoIdent(int internal) | |
| 683 { | |
| 684 // _init_10TypeInfo_%s | |
| 685 OutBuffer buf; | |
| 686 Identifier *id; | |
| 687 char *name; | |
| 688 int len; | |
| 689 | |
| 690 //toTypeInfoBuffer(&buf); | |
| 691 if (internal) | |
| 692 { buf.writeByte(mangleChar[ty]); | |
| 693 if (ty == Tarray) | |
| 694 buf.writeByte(mangleChar[next->ty]); | |
| 695 } | |
| 696 else | |
| 697 toDecoBuffer(&buf); | |
| 698 len = buf.offset; | |
| 699 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1); | |
| 700 buf.writeByte(0); | |
| 701 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data); | |
| 702 if (global.params.isWindows) | |
| 703 name++; // C mangling will add it back in | |
| 704 //printf("name = %s\n", name); | |
| 705 id = Lexer::idPool(name); | |
| 706 return id; | |
| 707 } | |
| 708 | |
| 709 TypeBasic *Type::isTypeBasic() | |
| 710 { | |
| 711 return NULL; | |
| 712 } | |
| 713 | |
| 714 | |
| 715 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 716 { | |
| 717 Type *t; | |
| 718 | |
| 719 t = semantic(loc, sc); | |
| 720 *pt = t; | |
| 721 *pe = NULL; | |
| 722 *ps = NULL; | |
| 723 } | |
| 724 | |
| 725 /******************************* | |
| 726 * If one of the subtypes of this type is a TypeIdentifier, | |
| 727 * i.e. it's an unresolved type, return that type. | |
| 728 */ | |
| 729 | |
| 730 Type *Type::reliesOnTident() | |
| 731 { | |
| 732 if (!next) | |
| 733 return NULL; | |
| 734 else | |
| 735 return next->reliesOnTident(); | |
| 736 } | |
| 737 | |
| 738 /******************************** | |
| 739 * We've mistakenly parsed this as a type. | |
| 740 * Redo it as an Expression. | |
| 741 * NULL if cannot. | |
| 742 */ | |
| 743 | |
| 744 Expression *Type::toExpression() | |
| 745 { | |
| 746 return NULL; | |
| 747 } | |
| 748 | |
| 749 /*************************************** | |
| 750 * Return !=0 if type has pointers that need to | |
| 751 * be scanned by the GC during a collection cycle. | |
| 752 */ | |
| 753 | |
| 754 int Type::hasPointers() | |
| 755 { | |
| 756 return FALSE; | |
| 757 } | |
| 758 | |
| 759 /* ============================= TypeBasic =========================== */ | |
| 760 | |
| 761 TypeBasic::TypeBasic(TY ty) | |
| 762 : Type(ty, NULL) | |
| 763 { char *c; | |
| 764 char *d; | |
| 765 unsigned flags; | |
| 766 | |
| 767 #define TFLAGSintegral 1 | |
| 768 #define TFLAGSfloating 2 | |
| 769 #define TFLAGSunsigned 4 | |
| 770 #define TFLAGSreal 8 | |
| 771 #define TFLAGSimaginary 0x10 | |
| 772 #define TFLAGScomplex 0x20 | |
| 773 | |
| 774 flags = 0; | |
| 775 switch (ty) | |
| 776 { | |
| 777 case Tvoid: d = Token::toChars(TOKvoid); | |
| 778 c = "void"; | |
| 779 break; | |
| 780 | |
| 781 case Tint8: d = Token::toChars(TOKint8); | |
| 782 c = "byte"; | |
| 783 flags |= TFLAGSintegral; | |
| 784 break; | |
| 785 | |
| 786 case Tuns8: d = Token::toChars(TOKuns8); | |
| 787 c = "ubyte"; | |
| 788 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 789 break; | |
| 790 | |
| 791 case Tint16: d = Token::toChars(TOKint16); | |
| 792 c = "short"; | |
| 793 flags |= TFLAGSintegral; | |
| 794 break; | |
| 795 | |
| 796 case Tuns16: d = Token::toChars(TOKuns16); | |
| 797 c = "ushort"; | |
| 798 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 799 break; | |
| 800 | |
| 801 case Tint32: d = Token::toChars(TOKint32); | |
| 802 c = "int"; | |
| 803 flags |= TFLAGSintegral; | |
| 804 break; | |
| 805 | |
| 806 case Tuns32: d = Token::toChars(TOKuns32); | |
| 807 c = "uint"; | |
| 808 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 809 break; | |
| 810 | |
| 811 case Tfloat32: d = Token::toChars(TOKfloat32); | |
| 812 c = "float"; | |
| 813 flags |= TFLAGSfloating | TFLAGSreal; | |
| 814 break; | |
| 815 | |
| 816 case Tint64: d = Token::toChars(TOKint64); | |
| 817 c = "long"; | |
| 818 flags |= TFLAGSintegral; | |
| 819 break; | |
| 820 | |
| 821 case Tuns64: d = Token::toChars(TOKuns64); | |
| 822 c = "ulong"; | |
| 823 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 824 break; | |
| 825 | |
| 826 case Tfloat64: d = Token::toChars(TOKfloat64); | |
| 827 c = "double"; | |
| 828 flags |= TFLAGSfloating | TFLAGSreal; | |
| 829 break; | |
| 830 | |
| 831 case Tfloat80: d = Token::toChars(TOKfloat80); | |
| 832 c = "real"; | |
| 833 flags |= TFLAGSfloating | TFLAGSreal; | |
| 834 break; | |
| 835 | |
| 836 case Timaginary32: d = Token::toChars(TOKimaginary32); | |
| 837 c = "ifloat"; | |
| 838 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 839 break; | |
| 840 | |
| 841 case Timaginary64: d = Token::toChars(TOKimaginary64); | |
| 842 c = "idouble"; | |
| 843 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 844 break; | |
| 845 | |
| 846 case Timaginary80: d = Token::toChars(TOKimaginary80); | |
| 847 c = "ireal"; | |
| 848 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 849 break; | |
| 850 | |
| 851 case Tcomplex32: d = Token::toChars(TOKcomplex32); | |
| 852 c = "cfloat"; | |
| 853 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 854 break; | |
| 855 | |
| 856 case Tcomplex64: d = Token::toChars(TOKcomplex64); | |
| 857 c = "cdouble"; | |
| 858 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 859 break; | |
| 860 | |
| 861 case Tcomplex80: d = Token::toChars(TOKcomplex80); | |
| 862 c = "creal"; | |
| 863 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 864 break; | |
| 865 | |
| 866 | |
| 867 case Tbit: d = Token::toChars(TOKbit); | |
| 868 c = "bit"; | |
| 869 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 870 break; | |
| 871 | |
| 872 case Tbool: d = "bool"; | |
| 873 c = d; | |
| 874 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 875 break; | |
| 876 | |
| 877 case Tascii: d = Token::toChars(TOKchar); | |
| 878 c = "char"; | |
| 879 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 880 break; | |
| 881 | |
| 882 case Twchar: d = Token::toChars(TOKwchar); | |
| 883 c = "wchar"; | |
| 884 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 885 break; | |
| 886 | |
| 887 case Tdchar: d = Token::toChars(TOKdchar); | |
| 888 c = "dchar"; | |
| 889 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 890 break; | |
| 891 | |
| 892 default: assert(0); | |
| 893 } | |
| 894 this->dstring = d; | |
| 895 this->cstring = c; | |
| 896 this->flags = flags; | |
| 897 merge(); | |
| 898 } | |
| 899 | |
| 900 Type *TypeBasic::syntaxCopy() | |
| 901 { | |
| 902 // No semantic analysis done on basic types, no need to copy | |
| 903 return this; | |
| 904 } | |
| 905 | |
| 906 | |
| 907 char *TypeBasic::toChars() | |
| 908 { | |
| 909 return dstring; | |
| 910 } | |
| 911 | |
| 912 void TypeBasic::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 913 { | |
| 914 buf->prependstring(cstring); | |
| 915 if (ident) | |
| 916 { buf->writeByte(' '); | |
| 917 buf->writestring(ident->toChars()); | |
| 918 } | |
| 919 } | |
| 920 | |
| 921 d_uns64 TypeBasic::size(Loc loc) | |
| 922 { unsigned size; | |
| 923 | |
| 924 //printf("TypeBasic::size()\n"); | |
| 925 switch (ty) | |
| 926 { | |
| 927 case Tint8: | |
| 928 case Tuns8: size = 1; break; | |
| 929 case Tint16: | |
| 930 case Tuns16: size = 2; break; | |
| 931 case Tint32: | |
| 932 case Tuns32: | |
| 933 case Tfloat32: | |
| 934 case Timaginary32: | |
| 935 size = 4; break; | |
| 936 case Tint64: | |
| 937 case Tuns64: | |
| 938 case Tfloat64: | |
| 939 case Timaginary64: | |
| 940 size = 8; break; | |
| 941 case Tfloat80: | |
| 942 case Timaginary80: | |
| 943 size = REALSIZE; break; | |
| 944 case Tcomplex32: | |
| 945 size = 8; break; | |
| 946 case Tcomplex64: | |
| 947 size = 16; break; | |
| 948 case Tcomplex80: | |
| 949 size = REALSIZE * 2; break; | |
| 950 | |
| 951 case Tvoid: | |
| 952 //size = Type::size(); // error message | |
| 953 size = 1; | |
| 954 break; | |
| 955 | |
| 956 case Tbit: size = 1; break; | |
| 957 case Tbool: size = 1; break; | |
| 958 case Tascii: size = 1; break; | |
| 959 case Twchar: size = 2; break; | |
| 960 case Tdchar: size = 4; break; | |
| 961 | |
| 962 default: | |
| 963 assert(0); | |
| 964 break; | |
| 965 } | |
| 966 //printf("TypeBasic::size() = %d\n", size); | |
| 967 return size; | |
| 968 } | |
| 969 | |
| 970 unsigned TypeBasic::alignsize() | |
| 971 { unsigned sz; | |
| 972 | |
| 973 switch (ty) | |
| 974 { | |
| 975 case Tfloat80: | |
| 976 case Timaginary80: | |
| 977 case Tcomplex80: | |
| 978 sz = REALSIZE; | |
| 979 break; | |
| 980 | |
| 981 default: | |
| 982 sz = size(0); | |
| 983 break; | |
| 984 } | |
| 985 return sz; | |
| 986 } | |
| 987 | |
| 988 | |
| 989 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident) | |
| 990 { | |
| 991 Expression *e; | |
| 992 d_int64 ivalue; | |
| 993 #ifdef IN_GCC | |
| 994 real_t fvalue; | |
| 995 #else | |
| 996 d_float80 fvalue; | |
| 997 #endif | |
| 998 | |
| 999 //printf("TypeBasic::getProperty('%s')\n", ident->toChars()); | |
| 1000 if (ident == Id::max) | |
| 1001 { | |
| 1002 switch (ty) | |
| 1003 { | |
| 1004 case Tint8: ivalue = 0x7F; goto Livalue; | |
| 1005 case Tuns8: ivalue = 0xFF; goto Livalue; | |
| 1006 case Tint16: ivalue = 0x7FFFUL; goto Livalue; | |
| 1007 case Tuns16: ivalue = 0xFFFFUL; goto Livalue; | |
| 1008 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue; | |
| 1009 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue; | |
| 1010 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue; | |
| 1011 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue; | |
| 1012 case Tbit: ivalue = 1; goto Livalue; | |
| 1013 case Tbool: ivalue = 1; goto Livalue; | |
| 1014 case Tchar: ivalue = 0xFF; goto Livalue; | |
| 1015 case Twchar: ivalue = 0xFFFFUL; goto Livalue; | |
| 1016 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue; | |
| 1017 | |
| 1018 case Tcomplex32: | |
| 1019 case Timaginary32: | |
| 1020 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue; | |
| 1021 case Tcomplex64: | |
| 1022 case Timaginary64: | |
| 1023 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue; | |
| 1024 case Tcomplex80: | |
| 1025 case Timaginary80: | |
| 1026 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue; | |
| 1027 } | |
| 1028 } | |
| 1029 else if (ident == Id::min) | |
| 1030 { | |
| 1031 switch (ty) | |
| 1032 { | |
| 1033 case Tint8: ivalue = -128; goto Livalue; | |
| 1034 case Tuns8: ivalue = 0; goto Livalue; | |
| 1035 case Tint16: ivalue = -32768; goto Livalue; | |
| 1036 case Tuns16: ivalue = 0; goto Livalue; | |
| 1037 case Tint32: ivalue = -2147483647L - 1; goto Livalue; | |
| 1038 case Tuns32: ivalue = 0; goto Livalue; | |
| 1039 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue; | |
| 1040 case Tuns64: ivalue = 0; goto Livalue; | |
| 1041 case Tbit: ivalue = 0; goto Livalue; | |
| 1042 case Tbool: ivalue = 0; goto Livalue; | |
| 1043 case Tchar: ivalue = 0; goto Livalue; | |
| 1044 case Twchar: ivalue = 0; goto Livalue; | |
| 1045 case Tdchar: ivalue = 0; goto Livalue; | |
| 1046 | |
| 1047 case Tcomplex32: | |
| 1048 case Timaginary32: | |
| 1049 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue; | |
| 1050 case Tcomplex64: | |
| 1051 case Timaginary64: | |
| 1052 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue; | |
| 1053 case Tcomplex80: | |
| 1054 case Timaginary80: | |
| 1055 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue; | |
| 1056 } | |
| 1057 } | |
| 1058 else if (ident == Id::nan) | |
| 1059 { | |
| 1060 switch (ty) | |
| 1061 { | |
| 1062 case Tcomplex32: | |
| 1063 case Tcomplex64: | |
| 1064 case Tcomplex80: | |
| 1065 case Timaginary32: | |
| 1066 case Timaginary64: | |
| 1067 case Timaginary80: | |
| 1068 case Tfloat32: | |
| 1069 case Tfloat64: | |
| 1070 case Tfloat80: | |
| 1071 { | |
| 1072 #if IN_GCC | |
| 1073 // mode doesn't matter, will be converted in RealExp anyway | |
| 1074 fvalue = real_t::getnan(real_t::LongDouble); | |
| 1075 #elif __GNUC__ | |
| 1076 // gcc nan's have the sign bit set by default, so turn it off | |
| 1077 // Need the volatile to prevent gcc from doing incorrect | |
| 1078 // constant folding. | |
| 1079 volatile d_float80 foo; | |
| 1080 foo = NAN; | |
| 1081 if (signbit(foo)) // signbit sometimes, not always, set | |
| 1082 foo = -foo; // turn off sign bit | |
| 1083 fvalue = foo; | |
| 1084 #elif _MSC_VER | |
| 1085 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF }; | |
| 1086 fvalue = *(double*)nan; | |
| 1087 #else | |
| 1088 fvalue = NAN; | |
| 1089 #endif | |
| 1090 goto Lfvalue; | |
| 1091 } | |
| 1092 } | |
| 1093 } | |
| 1094 else if (ident == Id::infinity) | |
| 1095 { | |
| 1096 switch (ty) | |
| 1097 { | |
| 1098 case Tcomplex32: | |
| 1099 case Tcomplex64: | |
| 1100 case Tcomplex80: | |
| 1101 case Timaginary32: | |
| 1102 case Timaginary64: | |
| 1103 case Timaginary80: | |
| 1104 case Tfloat32: | |
| 1105 case Tfloat64: | |
| 1106 case Tfloat80: | |
| 1107 #if IN_GCC | |
| 1108 fvalue = real_t::getinfinity(); | |
| 1109 #elif __GNUC__ | |
| 1110 fvalue = 1 / zero; | |
| 1111 #elif _MSC_VER | |
| 1112 fvalue = std::numeric_limits<long double>::infinity(); | |
| 1113 #else | |
| 1114 fvalue = INFINITY; | |
| 1115 #endif | |
| 1116 goto Lfvalue; | |
| 1117 } | |
| 1118 } | |
| 1119 else if (ident == Id::dig) | |
| 1120 { | |
| 1121 switch (ty) | |
| 1122 { | |
| 1123 case Tcomplex32: | |
| 1124 case Timaginary32: | |
| 1125 case Tfloat32: ivalue = FLT_DIG; goto Lint; | |
| 1126 case Tcomplex64: | |
| 1127 case Timaginary64: | |
| 1128 case Tfloat64: ivalue = DBL_DIG; goto Lint; | |
| 1129 case Tcomplex80: | |
| 1130 case Timaginary80: | |
| 1131 case Tfloat80: ivalue = LDBL_DIG; goto Lint; | |
| 1132 } | |
| 1133 } | |
| 1134 else if (ident == Id::epsilon) | |
| 1135 { | |
| 1136 switch (ty) | |
| 1137 { | |
| 1138 case Tcomplex32: | |
| 1139 case Timaginary32: | |
| 1140 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue; | |
| 1141 case Tcomplex64: | |
| 1142 case Timaginary64: | |
| 1143 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue; | |
| 1144 case Tcomplex80: | |
| 1145 case Timaginary80: | |
| 1146 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue; | |
| 1147 } | |
| 1148 } | |
| 1149 else if (ident == Id::mant_dig) | |
| 1150 { | |
| 1151 switch (ty) | |
| 1152 { | |
| 1153 case Tcomplex32: | |
| 1154 case Timaginary32: | |
| 1155 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint; | |
| 1156 case Tcomplex64: | |
| 1157 case Timaginary64: | |
| 1158 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint; | |
| 1159 case Tcomplex80: | |
| 1160 case Timaginary80: | |
| 1161 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint; | |
| 1162 } | |
| 1163 } | |
| 1164 else if (ident == Id::max_10_exp) | |
| 1165 { | |
| 1166 switch (ty) | |
| 1167 { | |
| 1168 case Tcomplex32: | |
| 1169 case Timaginary32: | |
| 1170 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint; | |
| 1171 case Tcomplex64: | |
| 1172 case Timaginary64: | |
| 1173 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint; | |
| 1174 case Tcomplex80: | |
| 1175 case Timaginary80: | |
| 1176 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint; | |
| 1177 } | |
| 1178 } | |
| 1179 else if (ident == Id::max_exp) | |
| 1180 { | |
| 1181 switch (ty) | |
| 1182 { | |
| 1183 case Tcomplex32: | |
| 1184 case Timaginary32: | |
| 1185 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint; | |
| 1186 case Tcomplex64: | |
| 1187 case Timaginary64: | |
| 1188 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint; | |
| 1189 case Tcomplex80: | |
| 1190 case Timaginary80: | |
| 1191 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint; | |
| 1192 } | |
| 1193 } | |
| 1194 else if (ident == Id::min_10_exp) | |
| 1195 { | |
| 1196 switch (ty) | |
| 1197 { | |
| 1198 case Tcomplex32: | |
| 1199 case Timaginary32: | |
| 1200 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint; | |
| 1201 case Tcomplex64: | |
| 1202 case Timaginary64: | |
| 1203 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint; | |
| 1204 case Tcomplex80: | |
| 1205 case Timaginary80: | |
| 1206 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint; | |
| 1207 } | |
| 1208 } | |
| 1209 else if (ident == Id::min_exp) | |
| 1210 { | |
| 1211 switch (ty) | |
| 1212 { | |
| 1213 case Tcomplex32: | |
| 1214 case Timaginary32: | |
| 1215 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint; | |
| 1216 case Tcomplex64: | |
| 1217 case Timaginary64: | |
| 1218 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint; | |
| 1219 case Tcomplex80: | |
| 1220 case Timaginary80: | |
| 1221 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint; | |
| 1222 } | |
| 1223 } | |
| 1224 | |
| 1225 Ldefault: | |
| 1226 return Type::getProperty(loc, ident); | |
| 1227 | |
| 1228 Livalue: | |
| 1229 e = new IntegerExp(loc, ivalue, this); | |
| 1230 return e; | |
| 1231 | |
| 1232 Lfvalue: | |
| 1233 if (isreal() || isimaginary()) | |
| 1234 e = new RealExp(loc, fvalue, this); | |
| 1235 else | |
| 1236 { | |
| 1237 complex_t cvalue; | |
| 1238 | |
| 1239 #if __DMC__ | |
| 1240 //((real_t *)&cvalue)[0] = fvalue; | |
| 1241 //((real_t *)&cvalue)[1] = fvalue; | |
| 1242 cvalue = fvalue + fvalue * I; | |
| 1243 #else | |
| 1244 cvalue.re = fvalue; | |
| 1245 cvalue.im = fvalue; | |
| 1246 #endif | |
| 1247 //for (int i = 0; i < 20; i++) | |
| 1248 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 1249 //printf("\n"); | |
| 1250 e = new ComplexExp(loc, cvalue, this); | |
| 1251 } | |
| 1252 return e; | |
| 1253 | |
| 1254 Lint: | |
| 1255 e = new IntegerExp(loc, ivalue, Type::tint32); | |
| 1256 return e; | |
| 1257 } | |
| 1258 | |
| 1259 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1260 { | |
| 1261 #if LOGDOTEXP | |
| 1262 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1263 #endif | |
| 1264 Type *t; | |
| 1265 | |
| 1266 if (ident == Id::re) | |
| 1267 { | |
| 1268 switch (ty) | |
| 1269 { | |
| 1270 case Tcomplex32: t = tfloat32; goto L1; | |
| 1271 case Tcomplex64: t = tfloat64; goto L1; | |
| 1272 case Tcomplex80: t = tfloat80; goto L1; | |
| 1273 L1: | |
| 1274 e = e->castTo(sc, t); | |
| 1275 break; | |
| 1276 | |
| 1277 case Tfloat32: | |
| 1278 case Tfloat64: | |
| 1279 case Tfloat80: | |
| 1280 break; | |
| 1281 | |
| 1282 case Timaginary32: t = tfloat32; goto L2; | |
| 1283 case Timaginary64: t = tfloat64; goto L2; | |
| 1284 case Timaginary80: t = tfloat80; goto L2; | |
| 1285 L2: | |
| 1286 e = new RealExp(0, 0.0, t); | |
| 1287 break; | |
| 1288 | |
| 1289 default: | |
| 1290 return Type::getProperty(e->loc, ident); | |
| 1291 } | |
| 1292 } | |
| 1293 else if (ident == Id::im) | |
| 1294 { Type *t2; | |
| 1295 | |
| 1296 switch (ty) | |
| 1297 { | |
| 1298 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 1299 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 1300 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 1301 L3: | |
| 1302 e = e->castTo(sc, t); | |
| 1303 e->type = t2; | |
| 1304 break; | |
| 1305 | |
| 1306 case Timaginary32: t = tfloat32; goto L4; | |
| 1307 case Timaginary64: t = tfloat64; goto L4; | |
| 1308 case Timaginary80: t = tfloat80; goto L4; | |
| 1309 L4: | |
| 1310 e->type = t; | |
| 1311 break; | |
| 1312 | |
| 1313 case Tfloat32: | |
| 1314 case Tfloat64: | |
| 1315 case Tfloat80: | |
| 1316 e = new RealExp(0, 0.0, this); | |
| 1317 break; | |
| 1318 | |
| 1319 default: | |
| 1320 return Type::getProperty(e->loc, ident); | |
| 1321 } | |
| 1322 } | |
| 1323 else | |
| 1324 { | |
| 1325 return Type::dotExp(sc, e, ident); | |
| 1326 } | |
| 1327 return e; | |
| 1328 } | |
| 1329 | |
| 1330 Expression *TypeBasic::defaultInit() | |
| 1331 { integer_t value = 0; | |
| 1332 | |
| 1333 #if LOGDEFAULTINIT | |
| 1334 printf("TypeBasic::defaultInit() '%s'\n", toChars()); | |
| 1335 #endif | |
| 1336 switch (ty) | |
| 1337 { | |
| 1338 case Tchar: | |
| 1339 value = 0xFF; | |
| 1340 break; | |
| 1341 | |
| 1342 case Twchar: | |
| 1343 case Tdchar: | |
| 1344 value = 0xFFFF; | |
| 1345 break; | |
| 1346 | |
| 1347 case Timaginary32: | |
| 1348 case Timaginary64: | |
| 1349 case Timaginary80: | |
| 1350 case Tfloat32: | |
| 1351 case Tfloat64: | |
| 1352 case Tfloat80: | |
| 1353 case Tcomplex32: | |
| 1354 case Tcomplex64: | |
| 1355 case Tcomplex80: | |
| 1356 return getProperty(0, Id::nan); | |
| 1357 } | |
| 1358 return new IntegerExp(0, value, this); | |
| 1359 } | |
| 1360 | |
| 1361 int TypeBasic::isZeroInit() | |
| 1362 { | |
| 1363 switch (ty) | |
| 1364 { | |
| 1365 case Tchar: | |
| 1366 case Twchar: | |
| 1367 case Tdchar: | |
| 1368 case Timaginary32: | |
| 1369 case Timaginary64: | |
| 1370 case Timaginary80: | |
| 1371 case Tfloat32: | |
| 1372 case Tfloat64: | |
| 1373 case Tfloat80: | |
| 1374 case Tcomplex32: | |
| 1375 case Tcomplex64: | |
| 1376 case Tcomplex80: | |
| 1377 return 0; // no | |
| 1378 } | |
| 1379 return 1; // yes | |
| 1380 } | |
| 1381 | |
| 1382 int TypeBasic::isbit() | |
| 1383 { | |
| 1384 return (ty == Tbit); | |
| 1385 } | |
| 1386 | |
| 1387 int TypeBasic::isintegral() | |
| 1388 { | |
| 1389 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags); | |
| 1390 return flags & TFLAGSintegral; | |
| 1391 } | |
| 1392 | |
| 1393 int TypeBasic::isfloating() | |
| 1394 { | |
| 1395 return flags & TFLAGSfloating; | |
| 1396 } | |
| 1397 | |
| 1398 int TypeBasic::isreal() | |
| 1399 { | |
| 1400 return flags & TFLAGSreal; | |
| 1401 } | |
| 1402 | |
| 1403 int TypeBasic::isimaginary() | |
| 1404 { | |
| 1405 return flags & TFLAGSimaginary; | |
| 1406 } | |
| 1407 | |
| 1408 int TypeBasic::iscomplex() | |
| 1409 { | |
| 1410 return flags & TFLAGScomplex; | |
| 1411 } | |
| 1412 | |
| 1413 int TypeBasic::isunsigned() | |
| 1414 { | |
| 1415 return flags & TFLAGSunsigned; | |
| 1416 } | |
| 1417 | |
| 1418 int TypeBasic::isscalar() | |
| 1419 { | |
| 1420 return flags & (TFLAGSintegral | TFLAGSfloating); | |
| 1421 } | |
| 1422 | |
| 1423 MATCH TypeBasic::implicitConvTo(Type *to) | |
| 1424 { | |
| 1425 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars()); | |
| 1426 if (this == to) | |
| 1427 return MATCHexact; | |
| 1428 | |
| 1429 if (ty == Tvoid || to->ty == Tvoid) | |
| 1430 return MATCHnomatch; | |
| 1431 if (1 || global.params.Dversion == 1) | |
| 1432 { | |
| 1433 if (to->ty == Tbool) | |
| 1434 return MATCHnomatch; | |
| 1435 } | |
| 1436 else | |
| 1437 { | |
| 1438 if (ty == Tbool || to->ty == Tbool) | |
| 1439 return MATCHnomatch; | |
| 1440 } | |
| 1441 if (!to->isTypeBasic()) | |
| 1442 return MATCHnomatch; | |
| 1443 | |
| 1444 TypeBasic *tob = (TypeBasic *)to; | |
| 1445 if (flags & TFLAGSintegral) | |
| 1446 { | |
| 1447 // Disallow implicit conversion of integers to imaginary or complex | |
| 1448 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex)) | |
| 1449 return MATCHnomatch; | |
| 1450 | |
| 1451 // If converting to integral | |
| 1452 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral) | |
| 1453 { d_uns64 sz = size(0); | |
| 1454 d_uns64 tosz = tob->size(0); | |
| 1455 | |
| 1456 /* Can't convert to smaller size or, if same size, change sign | |
| 1457 */ | |
| 1458 if (sz > tosz) | |
| 1459 return MATCHnomatch; | |
| 1460 | |
| 1461 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned) | |
| 1462 return MATCHnomatch;*/ | |
| 1463 } | |
| 1464 } | |
| 1465 else if (flags & TFLAGSfloating) | |
| 1466 { | |
| 1467 // Disallow implicit conversion of floating point to integer | |
| 1468 if (tob->flags & TFLAGSintegral) | |
| 1469 return MATCHnomatch; | |
| 1470 | |
| 1471 assert(tob->flags & TFLAGSfloating); | |
| 1472 | |
| 1473 // Disallow implicit conversion from complex to non-complex | |
| 1474 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex)) | |
| 1475 return MATCHnomatch; | |
| 1476 | |
| 1477 // Disallow implicit conversion of real or imaginary to complex | |
| 1478 if (flags & (TFLAGSreal | TFLAGSimaginary) && | |
| 1479 tob->flags & TFLAGScomplex) | |
| 1480 return MATCHnomatch; | |
| 1481 | |
| 1482 // Disallow implicit conversion to-from real and imaginary | |
| 1483 if ((flags & (TFLAGSreal | TFLAGSimaginary)) != | |
| 1484 (tob->flags & (TFLAGSreal | TFLAGSimaginary))) | |
| 1485 return MATCHnomatch; | |
| 1486 } | |
| 1487 return MATCHconvert; | |
| 1488 } | |
| 1489 | |
| 1490 TypeBasic *TypeBasic::isTypeBasic() | |
| 1491 { | |
| 1492 return (TypeBasic *)this; | |
| 1493 } | |
| 1494 | |
| 1495 /***************************** TypeArray *****************************/ | |
| 1496 | |
| 1497 TypeArray::TypeArray(TY ty, Type *next) | |
| 1498 : Type(ty, next) | |
| 1499 { | |
| 1500 } | |
| 1501 | |
| 1502 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1503 { | |
| 1504 Type *n = this->next->toBasetype(); // uncover any typedef's | |
| 1505 | |
| 1506 #if LOGDOTEXP | |
| 1507 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1508 #endif | |
| 1509 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar)) | |
| 1510 { | |
| 1511 Expression *ec; | |
| 1512 FuncDeclaration *fd; | |
| 1513 Expressions *arguments; | |
| 1514 char *nm; | |
| 1515 static char *name[2] = { "_adReverseChar", "_adReverseWchar" }; | |
| 1516 | |
| 1517 nm = name[n->ty == Twchar]; | |
| 1518 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
| 1519 ec = new VarExp(0, fd); | |
| 1520 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1521 arguments = new Expressions(); | |
| 1522 arguments->push(e); | |
| 1523 e = new CallExp(e->loc, ec, arguments); | |
| 1524 e->type = next->arrayOf(); | |
| 1525 } | |
| 1526 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar)) | |
| 1527 { | |
| 1528 Expression *ec; | |
| 1529 FuncDeclaration *fd; | |
| 1530 Expressions *arguments; | |
| 1531 char *nm; | |
| 1532 static char *name[2] = { "_adSortChar", "_adSortWchar" }; | |
| 1533 | |
| 1534 nm = name[n->ty == Twchar]; | |
| 1535 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
| 1536 ec = new VarExp(0, fd); | |
| 1537 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1538 arguments = new Expressions(); | |
| 1539 arguments->push(e); | |
| 1540 e = new CallExp(e->loc, ec, arguments); | |
| 1541 e->type = next->arrayOf(); | |
| 1542 } | |
| 1543 else if (ident == Id::reverse || ident == Id::dup) | |
| 1544 { | |
| 1545 Expression *ec; | |
| 1546 FuncDeclaration *fd; | |
| 1547 Expressions *arguments; | |
| 1548 int size = next->size(e->loc); | |
| 1549 int dup; | |
| 1550 | |
| 1551 assert(size); | |
| 1552 dup = (ident == Id::dup); | |
| 1553 fd = FuncDeclaration::genCfunc(Type::tindex, dup ? Id::adDup : Id::adReverse); | |
| 1554 ec = new VarExp(0, fd); | |
| 1555 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1556 arguments = new Expressions(); | |
| 1557 if (dup) | |
| 1558 arguments->push(getTypeInfo(sc)); | |
| 1559 arguments->push(e); | |
| 1560 if (!dup) | |
| 1561 arguments->push(new IntegerExp(0, size, Type::tint32)); | |
| 1562 e = new CallExp(e->loc, ec, arguments); | |
| 1563 e->type = next->arrayOf(); | |
| 1564 } | |
| 1565 else if (ident == Id::sort) | |
| 1566 { | |
| 1567 Expression *ec; | |
| 1568 FuncDeclaration *fd; | |
| 1569 Expressions *arguments; | |
| 1570 | |
| 1571 fd = FuncDeclaration::genCfunc(tint32->arrayOf(), | |
| 1572 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort")); | |
| 1573 ec = new VarExp(0, fd); | |
| 1574 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1575 arguments = new Expressions(); | |
| 1576 arguments->push(e); | |
| 1577 if (next->ty != Tbit) | |
| 1578 arguments->push(n->ty == Tsarray | |
| 1579 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1580 : n->getInternalTypeInfo(sc)); | |
| 1581 e = new CallExp(e->loc, ec, arguments); | |
| 1582 e->type = next->arrayOf(); | |
| 1583 } | |
| 1584 else | |
| 1585 { | |
| 1586 e = Type::dotExp(sc, e, ident); | |
| 1587 } | |
| 1588 return e; | |
| 1589 } | |
| 1590 | |
| 1591 void TypeArray::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 1592 { | |
| 1593 #if 1 | |
| 1594 OutBuffer buf2; | |
| 1595 toPrettyBracket(&buf2, hgs); | |
| 1596 buf->prependstring(buf2.toChars()); | |
| 1597 if (ident) | |
| 1598 { | |
| 1599 buf->writeByte(' '); | |
| 1600 buf->writestring(ident->toChars()); | |
| 1601 } | |
| 1602 next->toCBuffer2(buf, NULL, hgs); | |
| 1603 #elif 1 | |
| 1604 // The D way | |
| 1605 Type *t; | |
| 1606 OutBuffer buf2; | |
| 1607 for (t = this; 1; t = t->next) | |
| 1608 { TypeArray *ta; | |
| 1609 | |
| 1610 ta = dynamic_cast<TypeArray *>(t); | |
| 1611 if (!ta) | |
| 1612 break; | |
| 1613 ta->toPrettyBracket(&buf2, hgs); | |
| 1614 } | |
| 1615 buf->prependstring(buf2.toChars()); | |
| 1616 if (ident) | |
| 1617 { | |
| 1618 buf2.writestring(ident->toChars()); | |
| 1619 } | |
| 1620 t->toCBuffer2(buf, NULL, hgs); | |
| 1621 #else | |
| 1622 // The C way | |
| 1623 if (buf->offset) | |
| 1624 { buf->bracket('(', ')'); | |
| 1625 assert(!ident); | |
| 1626 } | |
| 1627 else if (ident) | |
| 1628 buf->writestring(ident->toChars()); | |
| 1629 Type *t = this; | |
| 1630 do | |
| 1631 { Expression *dim; | |
| 1632 buf->writeByte('['); | |
| 1633 dim = ((TypeSArray *)t)->dim; | |
| 1634 if (dim) | |
| 1635 buf->printf("%lld", dim->toInteger()); | |
| 1636 buf->writeByte(']'); | |
| 1637 t = t->next; | |
| 1638 } while (t->ty == Tsarray); | |
| 1639 t->toCBuffer2(buf, NULL, hgs); | |
| 1640 #endif | |
| 1641 } | |
| 1642 | |
| 1643 | |
| 1644 /***************************** TypeSArray *****************************/ | |
| 1645 | |
| 1646 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1647 : TypeArray(Tsarray, t) | |
| 1648 { | |
| 1649 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1650 this->dim = dim; | |
| 1651 } | |
| 1652 | |
| 1653 Type *TypeSArray::syntaxCopy() | |
| 1654 { | |
| 1655 Type *t = next->syntaxCopy(); | |
| 1656 Expression *e = dim->syntaxCopy(); | |
| 1657 t = new TypeSArray(t, e); | |
| 1658 return t; | |
| 1659 } | |
| 1660 | |
| 1661 d_uns64 TypeSArray::size(Loc loc) | |
| 1662 { integer_t sz; | |
| 1663 | |
| 1664 if (!dim) | |
| 1665 return Type::size(loc); | |
| 1666 sz = dim->toInteger(); | |
| 1667 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1668 { | |
| 1669 if (sz + 31 < sz) | |
| 1670 goto Loverflow; | |
| 1671 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1672 } | |
| 1673 else | |
| 1674 { integer_t n, n2; | |
| 1675 | |
| 1676 n = next->size(); | |
| 1677 n2 = n * sz; | |
| 1678 if (n && (n2 / n) != sz) | |
| 1679 goto Loverflow; | |
| 1680 sz = n2; | |
| 1681 } | |
| 1682 return sz; | |
| 1683 | |
| 1684 Loverflow: | |
| 1685 error(loc, "index %jd overflow for static array", sz); | |
| 1686 return 1; | |
| 1687 } | |
| 1688 | |
| 1689 unsigned TypeSArray::alignsize() | |
| 1690 { | |
| 1691 return next->alignsize(); | |
| 1692 } | |
| 1693 | |
| 1694 /************************** | |
| 1695 * This evaluates exp while setting length to be the number | |
| 1696 * of elements in the tuple t. | |
| 1697 */ | |
| 1698 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1699 { | |
| 1700 if (t->ty == Ttuple) | |
| 1701 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1702 sym->parent = sc->scopesym; | |
| 1703 sc = sc->push(sym); | |
| 1704 | |
| 1705 exp = exp->semantic(sc); | |
| 1706 | |
| 1707 sc->pop(); | |
| 1708 } | |
| 1709 else | |
| 1710 exp = exp->semantic(sc); | |
| 1711 return exp; | |
| 1712 } | |
| 1713 | |
| 1714 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1715 { | |
| 1716 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1717 sym->parent = sc->scopesym; | |
| 1718 sc = sc->push(sym); | |
| 1719 | |
| 1720 exp = exp->semantic(sc); | |
| 1721 | |
| 1722 sc->pop(); | |
| 1723 return exp; | |
| 1724 } | |
| 1725 | |
| 1726 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1727 { | |
| 1728 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1729 next->resolve(loc, sc, pe, pt, ps); | |
| 1730 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1731 if (*pe) | |
| 1732 { // It's really an index expression | |
| 1733 Expression *e; | |
| 1734 e = new IndexExp(loc, *pe, dim); | |
| 1735 *pe = e; | |
| 1736 } | |
| 1737 else if (*ps) | |
| 1738 { Dsymbol *s = *ps; | |
| 1739 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1740 if (td) | |
| 1741 { | |
| 1742 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1743 sym->parent = sc->scopesym; | |
| 1744 sc = sc->push(sym); | |
| 1745 | |
| 1746 dim = dim->semantic(sc); | |
| 1747 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1748 uinteger_t d = dim->toUInteger(); | |
| 1749 | |
| 1750 sc = sc->pop(); | |
| 1751 | |
| 1752 if (d >= td->objects->dim) | |
| 1753 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1754 goto Ldefault; | |
| 1755 } | |
| 1756 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1757 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1758 { | |
| 1759 *ps = (Dsymbol *)o; | |
| 1760 return; | |
| 1761 } | |
| 1762 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1763 { | |
| 1764 *ps = NULL; | |
| 1765 *pe = (Expression *)o; | |
| 1766 return; | |
| 1767 } | |
| 1768 | |
| 1769 /* Create a new TupleDeclaration which | |
| 1770 * is a slice [d..d+1] out of the old one. | |
| 1771 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1772 * can handle unresolved Objects this way. | |
| 1773 */ | |
| 1774 Objects *objects = new Objects; | |
| 1775 objects->setDim(1); | |
| 1776 objects->data[0] = o; | |
| 1777 | |
| 1778 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1779 *ps = tds; | |
| 1780 } | |
| 1781 else | |
| 1782 goto Ldefault; | |
| 1783 } | |
| 1784 else | |
| 1785 { | |
| 1786 Ldefault: | |
| 1787 Type::resolve(loc, sc, pe, pt, ps); | |
| 1788 } | |
| 1789 } | |
| 1790 | |
| 1791 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1792 { | |
| 1793 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1794 | |
| 1795 Type *t; | |
| 1796 Expression *e; | |
| 1797 Dsymbol *s; | |
| 1798 next->resolve(loc, sc, &e, &t, &s); | |
| 1799 if (dim && s && s->isTupleDeclaration()) | |
| 1800 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1801 | |
| 1802 dim = semanticLength(sc, sd, dim); | |
| 1803 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1804 uinteger_t d = dim->toUInteger(); | |
| 1805 | |
| 1806 if (d >= sd->objects->dim) | |
| 1807 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1808 return Type::terror; | |
| 1809 } | |
| 1810 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1811 if (o->dyncast() != DYNCAST_TYPE) | |
| 1812 { error(loc, "%s is not a type", toChars()); | |
| 1813 return Type::terror; | |
| 1814 } | |
| 1815 t = (Type *)o; | |
| 1816 return t; | |
| 1817 } | |
| 1818 | |
| 1819 next = next->semantic(loc,sc); | |
| 1820 Type *tbn = next->toBasetype(); | |
| 1821 | |
| 1822 if (dim) | |
| 1823 { integer_t n, n2; | |
| 1824 | |
| 1825 dim = semanticLength(sc, tbn, dim); | |
| 1826 | |
| 1827 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1828 integer_t d1 = dim->toInteger(); | |
| 1829 dim = dim->castTo(sc, tsize_t); | |
| 1830 dim = dim->optimize(WANTvalue); | |
| 1831 integer_t d2 = dim->toInteger(); | |
| 1832 | |
| 1833 if (d1 != d2) | |
| 1834 goto Loverflow; | |
| 1835 | |
| 1836 if (tbn->isintegral() || | |
| 1837 tbn->isfloating() || | |
| 1838 tbn->ty == Tpointer || | |
| 1839 tbn->ty == Tarray || | |
| 1840 tbn->ty == Tsarray || | |
| 1841 tbn->ty == Taarray || | |
| 1842 tbn->ty == Tclass) | |
| 1843 { | |
| 1844 /* Only do this for types that don't need to have semantic() | |
| 1845 * run on them for the size, since they may be forward referenced. | |
| 1846 */ | |
| 1847 n = tbn->size(loc); | |
| 1848 n2 = n * d2; | |
| 1849 if ((int)n2 < 0) | |
| 1850 goto Loverflow; | |
| 1851 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1852 goto Loverflow; | |
| 1853 if (n && n2 / n != d2) | |
| 1854 { | |
| 1855 Loverflow: | |
| 1856 error(loc, "index %jd overflow for static array", d1); | |
| 1857 dim = new IntegerExp(0, 1, tsize_t); | |
| 1858 } | |
| 1859 } | |
| 1860 } | |
| 1861 switch (tbn->ty) | |
| 1862 { | |
| 1863 case Ttuple: | |
| 1864 { // Index the tuple to get the type | |
| 1865 assert(dim); | |
| 1866 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1867 uinteger_t d = dim->toUInteger(); | |
| 1868 | |
| 1869 if (d >= tt->arguments->dim) | |
| 1870 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1871 return Type::terror; | |
| 1872 } | |
| 1873 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1874 return arg->type; | |
| 1875 } | |
| 1876 case Tfunction: | |
| 1877 case Tnone: | |
| 1878 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1879 tbn = next = tint32; | |
| 1880 break; | |
| 1881 } | |
| 1882 if (tbn->isauto()) | |
| 1883 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1884 return merge(); | |
| 1885 } | |
| 1886 | |
| 1887 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1888 { | |
| 1889 buf->writeByte(mangleChar[ty]); | |
| 1890 if (dim) | |
| 1891 buf->printf("%ju", dim->toInteger()); | |
| 1892 if (next) | |
| 1893 next->toDecoBuffer(buf); | |
| 1894 } | |
| 1895 | |
| 1896 void TypeSArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 1897 { | |
| 1898 buf->writeByte(mangleChar[Tarray]); | |
| 1899 if (next) | |
| 1900 next->toTypeInfoBuffer(buf); | |
| 1901 } | |
| 1902 | |
| 1903 void TypeSArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 1904 { | |
| 1905 buf->printf("[%s]", dim->toChars()); | |
| 1906 } | |
| 1907 | |
| 1908 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1909 { | |
| 1910 #if LOGDOTEXP | |
| 1911 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1912 #endif | |
| 1913 if (ident == Id::length) | |
| 1914 { | |
| 1915 e = dim; | |
| 1916 } | |
| 1917 else if (ident == Id::ptr) | |
| 1918 { | |
| 1919 e = e->castTo(sc, next->pointerTo()); | |
| 1920 } | |
| 1921 else | |
| 1922 { | |
| 1923 e = TypeArray::dotExp(sc, e, ident); | |
| 1924 } | |
| 1925 return e; | |
| 1926 } | |
| 1927 | |
| 1928 int TypeSArray::isString() | |
| 1929 { | |
| 1930 TY nty = next->toBasetype()->ty; | |
| 1931 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1932 } | |
| 1933 | |
| 1934 unsigned TypeSArray::memalign(unsigned salign) | |
| 1935 { | |
| 1936 return next->memalign(salign); | |
| 1937 } | |
| 1938 | |
| 1939 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1940 { | |
| 1941 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1942 | |
| 1943 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1944 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1945 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1946 /*|| to->next->isBaseOf(next)*/)) | |
| 1947 { | |
| 1948 return MATCHconvert; | |
| 1949 } | |
| 1950 if (to->ty == Tarray) | |
| 1951 { int offset = 0; | |
| 1952 | |
| 1953 if (next->equals(to->next) || | |
| 1954 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1955 to->next->ty == Tvoid) | |
| 1956 return MATCHconvert; | |
| 1957 } | |
| 1958 #if 0 | |
| 1959 if (to->ty == Tsarray) | |
| 1960 { | |
| 1961 TypeSArray *tsa = (TypeSArray *)to; | |
| 1962 | |
| 1963 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1964 { | |
| 1965 return MATCHconvert; | |
| 1966 } | |
| 1967 } | |
| 1968 #endif | |
| 1969 return Type::implicitConvTo(to); | |
| 1970 } | |
| 1971 | |
| 1972 Expression *TypeSArray::defaultInit() | |
| 1973 { | |
| 1974 #if LOGDEFAULTINIT | |
| 1975 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1976 #endif | |
| 1977 return next->defaultInit(); | |
| 1978 } | |
| 1979 | |
| 1980 int TypeSArray::isZeroInit() | |
| 1981 { | |
| 1982 return next->isZeroInit(); | |
| 1983 } | |
| 1984 | |
| 1985 | |
| 1986 Expression *TypeSArray::toExpression() | |
| 1987 { | |
| 1988 Expression *e = next->toExpression(); | |
| 1989 if (e) | |
| 1990 { Expressions *arguments = new Expressions(); | |
| 1991 arguments->push(dim); | |
| 1992 e = new ArrayExp(dim->loc, e, arguments); | |
| 1993 } | |
| 1994 return e; | |
| 1995 } | |
| 1996 | |
| 1997 int TypeSArray::hasPointers() | |
| 1998 { | |
| 1999 return next->hasPointers(); | |
| 2000 } | |
| 2001 | |
| 2002 /***************************** TypeDArray *****************************/ | |
| 2003 | |
| 2004 TypeDArray::TypeDArray(Type *t) | |
| 2005 : TypeArray(Tarray, t) | |
| 2006 { | |
| 2007 //printf("TypeDArray(t = %p)\n", t); | |
| 2008 } | |
| 2009 | |
| 2010 Type *TypeDArray::syntaxCopy() | |
| 2011 { | |
| 2012 Type *t = next->syntaxCopy(); | |
| 2013 if (t == next) | |
| 2014 t = this; | |
| 2015 else | |
| 2016 t = new TypeDArray(t); | |
| 2017 return t; | |
| 2018 } | |
| 2019 | |
| 2020 d_uns64 TypeDArray::size(Loc loc) | |
| 2021 { | |
| 2022 //printf("TypeDArray::size()\n"); | |
| 2023 return PTRSIZE * 2; | |
| 2024 } | |
| 2025 | |
| 2026 unsigned TypeDArray::alignsize() | |
| 2027 { | |
| 2028 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 2029 // boundary | |
| 2030 return PTRSIZE; | |
| 2031 } | |
| 2032 | |
| 2033 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2034 { Type *tn = next; | |
| 2035 | |
| 2036 tn = next->semantic(loc,sc); | |
| 2037 Type *tbn = tn->toBasetype(); | |
| 2038 switch (tbn->ty) | |
| 2039 { | |
| 2040 case Tfunction: | |
| 2041 case Tnone: | |
| 2042 case Ttuple: | |
| 2043 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2044 tn = next = tint32; | |
| 2045 break; | |
| 2046 } | |
| 2047 if (tn->isauto()) | |
| 2048 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2049 if (next != tn) | |
| 2050 //deco = NULL; // redo | |
| 2051 return tn->arrayOf(); | |
| 2052 return merge(); | |
| 2053 } | |
| 2054 | |
| 2055 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2056 { | |
| 2057 buf->writeByte(mangleChar[ty]); | |
| 2058 if (next) | |
| 2059 next->toDecoBuffer(buf); | |
| 2060 } | |
| 2061 | |
| 2062 void TypeDArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 2063 { | |
| 2064 buf->writeByte(mangleChar[ty]); | |
| 2065 if (next) | |
| 2066 next->toTypeInfoBuffer(buf); | |
| 2067 } | |
| 2068 | |
| 2069 void TypeDArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2070 { | |
| 2071 buf->writestring("[]"); | |
| 2072 } | |
| 2073 | |
| 2074 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2075 { | |
| 2076 #if LOGDOTEXP | |
| 2077 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2078 #endif | |
| 2079 if (ident == Id::length) | |
| 2080 { | |
| 2081 if (e->op == TOKstring) | |
| 2082 { StringExp *se = (StringExp *)e; | |
| 2083 | |
| 2084 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2085 } | |
| 2086 e = new ArrayLengthExp(e->loc, e); | |
| 2087 e->type = Type::tsize_t; | |
| 2088 return e; | |
| 2089 } | |
| 2090 else if (ident == Id::ptr) | |
| 2091 { | |
| 2092 e = e->castTo(sc, next->pointerTo()); | |
| 2093 return e; | |
| 2094 } | |
| 2095 else | |
| 2096 { | |
| 2097 e = TypeArray::dotExp(sc, e, ident); | |
| 2098 } | |
| 2099 return e; | |
| 2100 } | |
| 2101 | |
| 2102 int TypeDArray::isString() | |
| 2103 { | |
| 2104 TY nty = next->toBasetype()->ty; | |
| 2105 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2106 } | |
| 2107 | |
| 2108 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2109 { | |
| 2110 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2111 | |
| 2112 // Allow implicit conversion of array to pointer | |
| 2113 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2114 to->ty == Tpointer && | |
| 2115 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2116 { | |
| 2117 return MATCHconvert; | |
| 2118 } | |
| 2119 | |
| 2120 if (to->ty == Tarray) | |
| 2121 { int offset = 0; | |
| 2122 | |
| 2123 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2124 to->next->ty == Tvoid) | |
| 2125 return MATCHconvert; | |
| 2126 } | |
| 2127 return Type::implicitConvTo(to); | |
| 2128 } | |
| 2129 | |
| 2130 Expression *TypeDArray::defaultInit() | |
| 2131 { | |
| 2132 #if LOGDEFAULTINIT | |
| 2133 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2134 #endif | |
| 2135 Expression *e; | |
| 2136 e = new NullExp(0); | |
| 2137 e->type = this; | |
| 2138 return e; | |
| 2139 } | |
| 2140 | |
| 2141 int TypeDArray::isZeroInit() | |
| 2142 { | |
| 2143 return 1; | |
| 2144 } | |
| 2145 | |
| 2146 int TypeDArray::checkBoolean() | |
| 2147 { | |
| 2148 return TRUE; | |
| 2149 } | |
| 2150 | |
| 2151 int TypeDArray::hasPointers() | |
| 2152 { | |
| 2153 return TRUE; | |
| 2154 } | |
| 2155 | |
| 2156 /***************************** TypeAArray *****************************/ | |
| 2157 | |
| 2158 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2159 : TypeArray(Taarray, t) | |
| 2160 { | |
| 2161 this->index = index; | |
| 2162 this->key = NULL; | |
| 2163 } | |
| 2164 | |
| 2165 Type *TypeAArray::syntaxCopy() | |
| 2166 { | |
| 2167 Type *t = next->syntaxCopy(); | |
| 2168 Type *ti = index->syntaxCopy(); | |
| 2169 if (t == next && ti == index) | |
| 2170 t = this; | |
| 2171 else | |
| 2172 t = new TypeAArray(t, ti); | |
| 2173 return t; | |
| 2174 } | |
| 2175 | |
| 2176 d_uns64 TypeAArray::size(Loc loc) | |
| 2177 { | |
| 2178 return PTRSIZE /* * 2*/; | |
| 2179 } | |
| 2180 | |
| 2181 | |
| 2182 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2183 { | |
| 2184 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2185 | |
| 2186 // Deal with the case where we thought the index was a type, but | |
| 2187 // in reality it was an expression. | |
| 2188 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2189 { | |
| 2190 Expression *e; | |
| 2191 Type *t; | |
| 2192 Dsymbol *s; | |
| 2193 | |
| 2194 index->resolve(loc, sc, &e, &t, &s); | |
| 2195 if (e) | |
| 2196 { // It was an expression - | |
| 2197 // Rewrite as a static array | |
| 2198 TypeSArray *tsa; | |
| 2199 | |
| 2200 tsa = new TypeSArray(next, e); | |
| 2201 return tsa->semantic(loc,sc); | |
| 2202 } | |
| 2203 else if (t) | |
| 2204 index = t; | |
| 2205 else | |
| 2206 index->error(loc, "index is not a type or an expression"); | |
| 2207 } | |
| 2208 else | |
| 2209 index = index->semantic(loc,sc); | |
| 2210 | |
| 2211 // Compute key type; the purpose of the key type is to | |
| 2212 // minimize the permutations of runtime library | |
| 2213 // routines as much as possible. | |
| 2214 key = index->toBasetype(); | |
| 2215 switch (key->ty) | |
| 2216 { | |
| 2217 #if 0 | |
| 2218 case Tint8: | |
| 2219 case Tuns8: | |
| 2220 case Tint16: | |
| 2221 case Tuns16: | |
| 2222 key = tint32; | |
| 2223 break; | |
| 2224 #endif | |
| 2225 | |
| 2226 case Tsarray: | |
| 2227 #if 0 | |
| 2228 // Convert to Tarray | |
| 2229 key = key->next->arrayOf(); | |
| 2230 #endif | |
| 2231 break; | |
| 2232 case Tbit: | |
| 2233 case Tbool: | |
| 2234 case Tfunction: | |
| 2235 case Tvoid: | |
| 2236 case Tnone: | |
| 2237 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2238 break; | |
| 2239 } | |
| 2240 next = next->semantic(loc,sc); | |
| 2241 switch (next->toBasetype()->ty) | |
| 2242 { | |
| 2243 case Tfunction: | |
| 2244 case Tnone: | |
| 2245 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2246 break; | |
| 2247 } | |
| 2248 if (next->isauto()) | |
| 2249 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2250 | |
| 2251 return merge(); | |
| 2252 } | |
| 2253 | |
| 2254 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2255 { | |
| 2256 #if LOGDOTEXP | |
| 2257 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2258 #endif | |
| 2259 if (ident == Id::length) | |
| 2260 { | |
| 2261 Expression *ec; | |
| 2262 FuncDeclaration *fd; | |
| 2263 Expressions *arguments; | |
| 2264 | |
| 2265 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 2266 ec = new VarExp(0, fd); | |
| 2267 arguments = new Expressions(); | |
| 2268 arguments->push(e); | |
| 2269 e = new CallExp(e->loc, ec, arguments); | |
| 2270 e->type = fd->type->next; | |
| 2271 } | |
| 2272 else if (ident == Id::keys) | |
| 2273 { | |
| 2274 Expression *ec; | |
| 2275 FuncDeclaration *fd; | |
| 2276 Expressions *arguments; | |
| 2277 int size = key->size(e->loc); | |
| 2278 | |
| 2279 assert(size); | |
| 2280 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaKeys); | |
| 2281 ec = new VarExp(0, fd); | |
| 2282 arguments = new Expressions(); | |
| 2283 arguments->push(e); | |
| 2284 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2285 e = new CallExp(e->loc, ec, arguments); | |
| 2286 e->type = index->arrayOf(); | |
| 2287 } | |
| 2288 else if (ident == Id::values) | |
| 2289 { | |
| 2290 Expression *ec; | |
| 2291 FuncDeclaration *fd; | |
| 2292 Expressions *arguments; | |
| 2293 | |
| 2294 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaValues); | |
| 2295 ec = new VarExp(0, fd); | |
| 2296 arguments = new Expressions(); | |
| 2297 arguments->push(e); | |
| 2298 size_t keysize = key->size(e->loc); | |
| 2299 keysize = (keysize + 3) & ~3; // BUG: 64 bit pointers? | |
| 2300 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); | |
| 2301 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2302 e = new CallExp(e->loc, ec, arguments); | |
| 2303 e->type = next->arrayOf(); | |
| 2304 } | |
| 2305 else if (ident == Id::rehash) | |
| 2306 { | |
| 2307 Expression *ec; | |
| 2308 FuncDeclaration *fd; | |
| 2309 Expressions *arguments; | |
| 2310 | |
| 2311 fd = FuncDeclaration::genCfunc(Type::tint64, Id::aaRehash); | |
| 2312 ec = new VarExp(0, fd); | |
| 2313 arguments = new Expressions(); | |
| 2314 arguments->push(e->addressOf(sc)); | |
| 2315 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2316 e = new CallExp(e->loc, ec, arguments); | |
| 2317 e->type = this; | |
| 2318 } | |
| 2319 else | |
| 2320 { | |
| 2321 e = Type::dotExp(sc, e, ident); | |
| 2322 } | |
| 2323 return e; | |
| 2324 } | |
| 2325 | |
| 2326 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2327 { | |
| 2328 buf->writeByte(mangleChar[ty]); | |
| 2329 index->toDecoBuffer(buf); | |
| 2330 next->toDecoBuffer(buf); | |
| 2331 } | |
| 2332 | |
| 2333 void TypeAArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2334 { | |
| 2335 buf->writeByte('['); | |
| 2336 { OutBuffer ibuf; | |
| 2337 | |
| 2338 index->toCBuffer2(&ibuf, NULL, hgs); | |
| 2339 buf->write(&ibuf); | |
| 2340 } | |
| 2341 buf->writeByte(']'); | |
| 2342 } | |
| 2343 | |
| 2344 Expression *TypeAArray::defaultInit() | |
| 2345 { | |
| 2346 #if LOGDEFAULTINIT | |
| 2347 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2348 #endif | |
| 2349 Expression *e; | |
| 2350 e = new NullExp(0); | |
| 2351 e->type = this; | |
| 2352 return e; | |
| 2353 } | |
| 2354 | |
| 2355 int TypeAArray::checkBoolean() | |
| 2356 { | |
| 2357 return TRUE; | |
| 2358 } | |
| 2359 | |
| 2360 int TypeAArray::hasPointers() | |
| 2361 { | |
| 2362 return TRUE; | |
| 2363 } | |
| 2364 | |
| 2365 /***************************** TypePointer *****************************/ | |
| 2366 | |
| 2367 TypePointer::TypePointer(Type *t) | |
| 2368 : Type(Tpointer, t) | |
| 2369 { | |
| 2370 } | |
| 2371 | |
| 2372 Type *TypePointer::syntaxCopy() | |
| 2373 { | |
| 2374 Type *t = next->syntaxCopy(); | |
| 2375 if (t == next) | |
| 2376 t = this; | |
| 2377 else | |
| 2378 t = new TypePointer(t); | |
| 2379 return t; | |
| 2380 } | |
| 2381 | |
| 2382 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2383 { | |
| 2384 //printf("TypePointer::semantic()\n"); | |
| 2385 Type *n = next->semantic(loc, sc); | |
| 2386 switch (n->toBasetype()->ty) | |
| 2387 { | |
| 2388 case Ttuple: | |
| 2389 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2390 n = tint32; | |
| 2391 break; | |
| 2392 } | |
| 2393 if (n != next) | |
| 2394 deco = NULL; | |
| 2395 next = n; | |
| 2396 return merge(); | |
| 2397 } | |
| 2398 | |
| 2399 | |
| 2400 d_uns64 TypePointer::size(Loc loc) | |
| 2401 { | |
| 2402 return PTRSIZE; | |
| 2403 } | |
| 2404 | |
| 2405 void TypePointer::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2406 { | |
| 2407 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2408 buf->prependstring("*"); | |
| 2409 if (ident) | |
| 2410 { | |
| 2411 buf->writeByte(' '); | |
| 2412 buf->writestring(ident->toChars()); | |
| 2413 } | |
| 2414 next->toCBuffer2(buf, NULL, hgs); | |
| 2415 } | |
| 2416 | |
| 2417 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2418 { | |
| 2419 //printf("TypePointer::implicitConvTo()\n"); | |
| 2420 | |
| 2421 if (this == to) | |
| 2422 return MATCHexact; | |
| 2423 if (to->ty == Tpointer && to->next) | |
| 2424 { | |
| 2425 if (to->next->ty == Tvoid) | |
| 2426 return MATCHconvert; | |
| 2427 | |
| 2428 #if 0 | |
| 2429 if (to->next->isBaseOf(next)) | |
| 2430 return MATCHconvert; | |
| 2431 #endif | |
| 2432 | |
| 2433 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2434 { TypeFunction *tf; | |
| 2435 TypeFunction *tfto; | |
| 2436 | |
| 2437 tf = (TypeFunction *)(next); | |
| 2438 tfto = (TypeFunction *)(to->next); | |
| 2439 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2440 } | |
| 2441 } | |
| 2442 // if (to->ty == Tvoid) | |
| 2443 // return MATCHconvert; | |
| 2444 return MATCHnomatch; | |
| 2445 } | |
| 2446 | |
| 2447 int TypePointer::isscalar() | |
| 2448 { | |
| 2449 return TRUE; | |
| 2450 } | |
| 2451 | |
| 2452 Expression *TypePointer::defaultInit() | |
| 2453 { | |
| 2454 #if LOGDEFAULTINIT | |
| 2455 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2456 #endif | |
| 2457 Expression *e; | |
| 2458 e = new NullExp(0); | |
| 2459 e->type = this; | |
| 2460 return e; | |
| 2461 } | |
| 2462 | |
| 2463 int TypePointer::isZeroInit() | |
| 2464 { | |
| 2465 return 1; | |
| 2466 } | |
| 2467 | |
| 2468 int TypePointer::hasPointers() | |
| 2469 { | |
| 2470 return TRUE; | |
| 2471 } | |
| 2472 | |
| 2473 | |
| 2474 /***************************** TypeReference *****************************/ | |
| 2475 | |
| 2476 TypeReference::TypeReference(Type *t) | |
| 2477 : Type(Treference, t) | |
| 2478 { | |
| 2479 if (t->ty == Tbit) | |
| 2480 error(0,"cannot make reference to a bit"); | |
| 2481 // BUG: what about references to static arrays? | |
| 2482 } | |
| 2483 | |
| 2484 Type *TypeReference::syntaxCopy() | |
| 2485 { | |
| 2486 Type *t = next->syntaxCopy(); | |
| 2487 if (t == next) | |
| 2488 t = this; | |
| 2489 else | |
| 2490 t = new TypeReference(t); | |
| 2491 return t; | |
| 2492 } | |
| 2493 | |
| 2494 d_uns64 TypeReference::size(Loc loc) | |
| 2495 { | |
| 2496 return PTRSIZE; | |
| 2497 } | |
| 2498 | |
| 2499 void TypeReference::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2500 { | |
| 2501 buf->prependstring("&"); | |
| 2502 if (ident) | |
| 2503 { | |
| 2504 buf->writestring(ident->toChars()); | |
| 2505 } | |
| 2506 next->toCBuffer2(buf, NULL, hgs); | |
| 2507 } | |
| 2508 | |
| 2509 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2510 { | |
| 2511 #if LOGDOTEXP | |
| 2512 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2513 #endif | |
| 2514 | |
| 2515 // References just forward things along | |
| 2516 return next->dotExp(sc, e, ident); | |
| 2517 } | |
| 2518 | |
| 2519 Expression *TypeReference::defaultInit() | |
| 2520 { | |
| 2521 #if LOGDEFAULTINIT | |
| 2522 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2523 #endif | |
| 2524 Expression *e; | |
| 2525 e = new NullExp(0); | |
| 2526 e->type = this; | |
| 2527 return e; | |
| 2528 } | |
| 2529 | |
| 2530 int TypeReference::isZeroInit() | |
| 2531 { | |
| 2532 return 1; | |
| 2533 } | |
| 2534 | |
| 2535 | |
| 2536 /***************************** TypeFunction *****************************/ | |
| 2537 | |
| 2538 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2539 : Type(Tfunction, treturn) | |
| 2540 { | |
| 2541 //if (!treturn) *(char*)0=0; | |
| 2542 // assert(treturn); | |
| 2543 this->parameters = parameters; | |
| 2544 this->varargs = varargs; | |
| 2545 this->linkage = linkage; | |
| 2546 this->inuse = 0; | |
| 2547 this->llvmRetInPtr = false; | |
| 9 | 2548 this->llvmUsesThis = false; |
| 1 | 2549 this->llvmRetArg = 0; |
| 2550 this->llvmAllocaPoint = 0; | |
| 2551 } | |
| 2552 | |
| 2553 Type *TypeFunction::syntaxCopy() | |
| 2554 { | |
| 2555 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2556 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
| 2557 Type *t = new TypeFunction(params, treturn, varargs, linkage); | |
| 2558 return t; | |
| 2559 } | |
| 2560 | |
| 2561 /******************************* | |
| 2562 * Returns: | |
| 2563 * 0 types are distinct | |
| 2564 * 1 this is covariant with t | |
| 2565 * 2 arguments match as far as overloading goes, | |
| 2566 * but types are not covariant | |
| 2567 * 3 cannot determine covariance because of forward references | |
| 2568 */ | |
| 2569 | |
| 2570 int Type::covariant(Type *t) | |
| 2571 { | |
| 2572 #if 0 | |
| 2573 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2574 printf("deco = %p, %p\n", deco, t->deco); | |
| 2575 printf("ty = %d\n", next->ty); | |
| 2576 #endif | |
| 2577 | |
| 2578 int inoutmismatch = 0; | |
| 2579 | |
| 2580 if (equals(t)) | |
| 2581 goto Lcovariant; | |
| 2582 if (ty != Tfunction || t->ty != Tfunction) | |
| 2583 goto Ldistinct; | |
| 2584 | |
| 2585 { | |
| 2586 TypeFunction *t1 = (TypeFunction *)this; | |
| 2587 TypeFunction *t2 = (TypeFunction *)t; | |
| 2588 | |
| 2589 if (t1->varargs != t2->varargs) | |
| 2590 goto Ldistinct; | |
| 2591 | |
| 2592 if (t1->parameters && t2->parameters) | |
| 2593 { | |
| 2594 size_t dim = Argument::dim(t1->parameters); | |
| 2595 if (dim != Argument::dim(t2->parameters)) | |
| 2596 goto Ldistinct; | |
| 2597 | |
| 2598 for (size_t i = 0; i < dim; i++) | |
| 2599 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2600 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2601 | |
| 2602 if (!arg1->type->equals(arg2->type)) | |
| 2603 goto Ldistinct; | |
| 2604 if (arg1->storageClass != arg2->storageClass) | |
| 2605 inoutmismatch = 1; | |
| 2606 } | |
| 2607 } | |
| 2608 else if (t1->parameters != t2->parameters) | |
| 2609 goto Ldistinct; | |
| 2610 | |
| 2611 // The argument lists match | |
| 2612 if (inoutmismatch) | |
| 2613 goto Lnotcovariant; | |
| 2614 if (t1->linkage != t2->linkage) | |
| 2615 goto Lnotcovariant; | |
| 2616 | |
| 2617 Type *t1n = t1->next; | |
| 2618 Type *t2n = t2->next; | |
| 2619 | |
| 2620 if (t1n->equals(t2n)) | |
| 2621 goto Lcovariant; | |
| 2622 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2623 goto Lnotcovariant; | |
| 2624 | |
| 2625 // If t1n is forward referenced: | |
| 2626 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2627 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2628 { | |
| 2629 return 3; | |
| 2630 } | |
| 2631 | |
| 2632 if (t1n->implicitConvTo(t2n)) | |
| 2633 goto Lcovariant; | |
| 2634 goto Lnotcovariant; | |
| 2635 } | |
| 2636 | |
| 2637 Lcovariant: | |
| 2638 //printf("\tcovaraint: 1\n"); | |
| 2639 return 1; | |
| 2640 | |
| 2641 Ldistinct: | |
| 2642 //printf("\tcovaraint: 0\n"); | |
| 2643 return 0; | |
| 2644 | |
| 2645 Lnotcovariant: | |
| 2646 //printf("\tcovaraint: 2\n"); | |
| 2647 return 2; | |
| 2648 } | |
| 2649 | |
| 2650 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2651 { unsigned char mc; | |
| 2652 | |
| 2653 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2654 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2655 if (inuse) | |
| 2656 { inuse = 2; // flag error to caller | |
| 2657 return; | |
| 2658 } | |
| 2659 inuse++; | |
| 2660 switch (linkage) | |
| 2661 { | |
| 2662 case LINKd: mc = 'F'; break; | |
| 2663 case LINKc: mc = 'U'; break; | |
| 2664 case LINKwindows: mc = 'W'; break; | |
| 2665 case LINKpascal: mc = 'V'; break; | |
| 2666 case LINKcpp: mc = 'R'; break; | |
| 2667 default: | |
| 2668 assert(0); | |
| 2669 } | |
| 2670 buf->writeByte(mc); | |
| 2671 // Write argument types | |
| 2672 Argument::argsToDecoBuffer(buf, parameters); | |
| 2673 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2674 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2675 next->toDecoBuffer(buf); | |
| 2676 inuse--; | |
| 2677 } | |
| 2678 | |
| 2679 void TypeFunction::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2680 { | |
| 2681 char *p = NULL; | |
| 2682 | |
| 2683 if (inuse) | |
| 2684 { inuse = 2; // flag error to caller | |
| 2685 return; | |
| 2686 } | |
| 2687 inuse++; | |
| 2688 if (hgs->ddoc != 1) | |
| 2689 { | |
| 2690 switch (linkage) | |
| 2691 { | |
| 2692 case LINKd: p = NULL; break; | |
| 2693 case LINKc: p = "C "; break; | |
| 2694 case LINKwindows: p = "Windows "; break; | |
| 2695 case LINKpascal: p = "Pascal "; break; | |
| 2696 case LINKcpp: p = "C++ "; break; | |
| 2697 default: | |
| 2698 assert(0); | |
| 2699 } | |
| 2700 } | |
| 2701 | |
| 2702 if (buf->offset) | |
| 2703 { | |
| 2704 if (!hgs->hdrgen && p) | |
| 2705 buf->prependstring(p); | |
| 2706 buf->bracket('(', ')'); | |
| 2707 assert(!ident); | |
| 2708 } | |
| 2709 else | |
| 2710 { | |
| 2711 if (!hgs->hdrgen && p) | |
| 2712 buf->writestring(p); | |
| 2713 if (ident) | |
| 2714 { buf->writeByte(' '); | |
| 2715 buf->writestring(ident->toHChars2()); | |
| 2716 } | |
| 2717 } | |
| 2718 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2719 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2720 next->toCBuffer2(buf, NULL, hgs); | |
| 2721 inuse--; | |
| 2722 } | |
| 2723 | |
| 2724 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2725 { | |
| 2726 if (deco) // if semantic() already run | |
| 2727 { | |
| 2728 //printf("already done\n"); | |
| 2729 return this; | |
| 2730 } | |
| 2731 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2732 | |
| 2733 linkage = sc->linkage; | |
| 2734 if (!next) | |
| 2735 { | |
| 2736 assert(global.errors); | |
| 2737 next = tvoid; | |
| 2738 } | |
| 2739 next = next->semantic(loc,sc); | |
| 2740 if (next->toBasetype()->ty == Tsarray) | |
| 2741 { error(loc, "functions cannot return static array %s", next->toChars()); | |
| 2742 next = Type::terror; | |
| 2743 } | |
| 2744 if (next->toBasetype()->ty == Tfunction) | |
| 2745 { error(loc, "functions cannot return a function"); | |
| 2746 next = Type::terror; | |
| 2747 } | |
| 2748 if (next->toBasetype()->ty == Ttuple) | |
| 2749 { error(loc, "functions cannot return a tuple"); | |
| 2750 next = Type::terror; | |
| 2751 } | |
| 2752 if (next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2753 error(loc, "functions cannot return auto %s", next->toChars()); | |
| 2754 | |
| 2755 if (parameters) | |
| 2756 { size_t dim = Argument::dim(parameters); | |
| 2757 | |
| 2758 for (size_t i = 0; i < dim; i++) | |
| 2759 { Argument *arg = Argument::getNth(parameters, i); | |
| 2760 Type *t; | |
| 2761 | |
| 2762 inuse++; | |
| 2763 arg->type = arg->type->semantic(loc,sc); | |
| 2764 if (inuse == 1) inuse--; | |
| 2765 t = arg->type->toBasetype(); | |
| 2766 | |
| 2767 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2768 { | |
| 2769 if (t->ty == Tsarray) | |
| 2770 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2771 } | |
| 2772 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2773 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2774 | |
| 2775 if (arg->defaultArg) | |
| 2776 { | |
| 2777 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2778 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2779 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2780 } | |
| 2781 | |
| 2782 /* If arg turns out to be a tuple, the number of parameters may | |
| 2783 * change. | |
| 2784 */ | |
| 2785 if (t->ty == Ttuple) | |
| 2786 { dim = Argument::dim(parameters); | |
| 2787 i--; | |
| 2788 } | |
| 2789 } | |
| 2790 } | |
| 2791 deco = merge()->deco; | |
| 2792 | |
| 2793 if (inuse) | |
| 2794 { error(loc, "recursive type"); | |
| 2795 inuse = 0; | |
| 2796 return terror; | |
| 2797 } | |
| 2798 | |
| 2799 if (varargs == 1 && linkage != LINKd && Argument::dim(parameters) == 0) | |
| 2800 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2801 | |
| 2802 /* Don't return merge(), because arg identifiers and default args | |
| 2803 * can be different | |
| 2804 * even though the types match | |
| 2805 */ | |
| 2806 return this; | |
| 2807 } | |
| 2808 | |
| 2809 /******************************** | |
| 2810 * 'args' are being matched to function 'this' | |
| 2811 * Determine match level. | |
| 2812 * Returns: | |
| 2813 * MATCHxxxx | |
| 2814 */ | |
| 2815 | |
| 2816 int TypeFunction::callMatch(Expressions *args) | |
| 2817 { | |
| 2818 //printf("TypeFunction::callMatch()\n"); | |
| 2819 int match = MATCHexact; // assume exact match | |
| 2820 | |
| 2821 size_t nparams = Argument::dim(parameters); | |
| 2822 size_t nargs = args ? args->dim : 0; | |
| 2823 if (nparams == nargs) | |
| 2824 ; | |
| 2825 else if (nargs > nparams) | |
| 2826 { | |
| 2827 if (varargs == 0) | |
| 2828 goto Nomatch; // too many args; no match | |
| 2829 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2830 } | |
| 2831 | |
| 2832 for (size_t u = 0; u < nparams; u++) | |
| 2833 { int m; | |
| 2834 Expression *arg; | |
| 2835 | |
| 2836 // BUG: what about out and ref? | |
| 2837 | |
| 2838 Argument *p = Argument::getNth(parameters, u); | |
| 2839 assert(p); | |
| 2840 if (u >= nargs) | |
| 2841 { | |
| 2842 if (p->defaultArg) | |
| 2843 continue; | |
| 2844 if (varargs == 2 && u + 1 == nparams) | |
| 2845 goto L1; | |
| 2846 goto Nomatch; // not enough arguments | |
| 2847 } | |
| 2848 arg = (Expression *)args->data[u]; | |
| 2849 assert(arg); | |
| 2850 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2851 m = MATCHconvert; | |
| 2852 else | |
| 2853 m = arg->implicitConvTo(p->type); | |
| 2854 //printf("\tm = %d\n", m); | |
| 2855 if (m == MATCHnomatch) // if no match | |
| 2856 { | |
| 2857 L1: | |
| 2858 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2859 { Type *tb = p->type->toBasetype(); | |
| 2860 TypeSArray *tsa; | |
| 2861 integer_t sz; | |
| 2862 | |
| 2863 switch (tb->ty) | |
| 2864 { | |
| 2865 case Tsarray: | |
| 2866 tsa = (TypeSArray *)tb; | |
| 2867 sz = tsa->dim->toInteger(); | |
| 2868 if (sz != nargs - u) | |
| 2869 goto Nomatch; | |
| 2870 case Tarray: | |
| 2871 for (; u < nargs; u++) | |
| 2872 { | |
| 2873 arg = (Expression *)args->data[u]; | |
| 2874 assert(arg); | |
| 2875 #if 1 | |
| 2876 /* If lazy array of delegates, | |
| 2877 * convert arg(s) to delegate(s) | |
| 2878 */ | |
| 2879 Type *tret = p->isLazyArray(); | |
| 2880 if (tret) | |
| 2881 { | |
| 2882 if (tb->next->equals(arg->type)) | |
| 2883 { m = MATCHexact; | |
| 2884 } | |
| 2885 else | |
| 2886 { | |
| 2887 m = arg->implicitConvTo(tret); | |
| 2888 if (m == MATCHnomatch) | |
| 2889 { | |
| 2890 if (tret->toBasetype()->ty == Tvoid) | |
| 2891 m = MATCHconvert; | |
| 2892 } | |
| 2893 } | |
| 2894 } | |
| 2895 else | |
| 2896 m = arg->implicitConvTo(tb->next); | |
| 2897 #else | |
| 2898 m = arg->implicitConvTo(tb->next); | |
| 2899 #endif | |
| 2900 if (m == 0) | |
| 2901 goto Nomatch; | |
| 2902 if (m < match) | |
| 2903 match = m; | |
| 2904 } | |
| 2905 goto Ldone; | |
| 2906 | |
| 2907 case Tclass: | |
| 2908 // Should see if there's a constructor match? | |
| 2909 // Or just leave it ambiguous? | |
| 2910 goto Ldone; | |
| 2911 | |
| 2912 default: | |
| 2913 goto Nomatch; | |
| 2914 } | |
| 2915 } | |
| 2916 goto Nomatch; | |
| 2917 } | |
| 2918 if (m < match) | |
| 2919 match = m; // pick worst match | |
| 2920 } | |
| 2921 | |
| 2922 Ldone: | |
| 2923 //printf("match = %d\n", match); | |
| 2924 return match; | |
| 2925 | |
| 2926 Nomatch: | |
| 2927 //printf("no match\n"); | |
| 2928 return MATCHnomatch; | |
| 2929 } | |
| 2930 | |
| 2931 Type *TypeFunction::reliesOnTident() | |
| 2932 { | |
| 2933 if (parameters) | |
| 2934 { | |
| 2935 for (size_t i = 0; i < parameters->dim; i++) | |
| 2936 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2937 Type *t = arg->type->reliesOnTident(); | |
| 2938 if (t) | |
| 2939 return t; | |
| 2940 } | |
| 2941 } | |
| 2942 return next->reliesOnTident(); | |
| 2943 } | |
| 2944 | |
| 2945 /***************************** TypeDelegate *****************************/ | |
| 2946 | |
| 2947 TypeDelegate::TypeDelegate(Type *t) | |
| 2948 : Type(Tfunction, t) | |
| 2949 { | |
| 2950 ty = Tdelegate; | |
| 2951 } | |
| 2952 | |
| 2953 Type *TypeDelegate::syntaxCopy() | |
| 2954 { | |
| 2955 Type *t = next->syntaxCopy(); | |
| 2956 if (t == next) | |
| 2957 t = this; | |
| 2958 else | |
| 2959 t = new TypeDelegate(t); | |
| 2960 return t; | |
| 2961 } | |
| 2962 | |
| 2963 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2964 { | |
| 2965 if (deco) // if semantic() already run | |
| 2966 { | |
| 2967 //printf("already done\n"); | |
| 2968 return this; | |
| 2969 } | |
| 2970 next = next->semantic(loc,sc); | |
| 2971 return merge(); | |
| 2972 } | |
| 2973 | |
| 2974 d_uns64 TypeDelegate::size(Loc loc) | |
| 2975 { | |
| 2976 return PTRSIZE * 2; | |
| 2977 } | |
| 2978 | |
| 2979 void TypeDelegate::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2980 { | |
| 2981 #if 1 | |
| 2982 OutBuffer args; | |
| 2983 TypeFunction *tf = (TypeFunction *)next; | |
| 2984 | |
| 2985 Argument::argsToCBuffer(&args, hgs, tf->parameters, tf->varargs); | |
| 2986 buf->prependstring(args.toChars()); | |
| 2987 buf->prependstring(" delegate"); | |
| 2988 if (ident) | |
| 2989 { | |
| 2990 buf->writeByte(' '); | |
| 2991 buf->writestring(ident->toChars()); | |
| 2992 } | |
| 2993 next->next->toCBuffer2(buf, NULL, hgs); | |
| 2994 #else | |
| 2995 next->toCBuffer2(buf, Id::delegate, hgs); | |
| 2996 if (ident) | |
| 2997 { | |
| 2998 buf->writestring(ident->toChars()); | |
| 2999 } | |
| 3000 #endif | |
| 3001 } | |
| 3002 | |
| 3003 Expression *TypeDelegate::defaultInit() | |
| 3004 { | |
| 3005 #if LOGDEFAULTINIT | |
| 3006 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3007 #endif | |
| 3008 Expression *e; | |
| 3009 e = new NullExp(0); | |
| 3010 e->type = this; | |
| 3011 return e; | |
| 3012 } | |
| 3013 | |
| 3014 int TypeDelegate::isZeroInit() | |
| 3015 { | |
| 3016 return 1; | |
| 3017 } | |
| 3018 | |
| 3019 int TypeDelegate::checkBoolean() | |
| 3020 { | |
| 3021 return TRUE; | |
| 3022 } | |
| 3023 | |
| 3024 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3025 { | |
| 3026 #if LOGDOTEXP | |
| 3027 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3028 #endif | |
| 3029 if (ident == Id::ptr) | |
| 3030 { | |
| 3031 e->type = tvoidptr; | |
| 3032 return e; | |
| 3033 } | |
| 3034 else if (ident == Id::funcptr) | |
| 3035 { | |
| 3036 e = e->addressOf(sc); | |
| 3037 e->type = tvoidptr; | |
| 3038 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3039 e->type = tvoidptr; | |
| 3040 e = new PtrExp(e->loc, e); | |
| 3041 e->type = next->pointerTo(); | |
| 3042 return e; | |
| 3043 } | |
| 3044 else | |
| 3045 { | |
| 3046 e = Type::dotExp(sc, e, ident); | |
| 3047 } | |
| 3048 return e; | |
| 3049 } | |
| 3050 | |
| 3051 int TypeDelegate::hasPointers() | |
| 3052 { | |
| 3053 return TRUE; | |
| 3054 } | |
| 3055 | |
| 3056 | |
| 3057 | |
| 3058 /***************************** TypeQualified *****************************/ | |
| 3059 | |
| 3060 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3061 : Type(ty, NULL) | |
| 3062 { | |
| 3063 this->loc = loc; | |
| 3064 } | |
| 3065 | |
| 3066 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3067 { | |
| 3068 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3069 idents.setDim(t->idents.dim); | |
| 3070 for (int i = 0; i < idents.dim; i++) | |
| 3071 { | |
| 3072 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3073 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3074 { | |
| 3075 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3076 | |
| 3077 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3078 id = (Identifier *)ti; | |
| 3079 } | |
| 3080 idents.data[i] = id; | |
| 3081 } | |
| 3082 } | |
| 3083 | |
| 3084 | |
| 3085 void TypeQualified::addIdent(Identifier *ident) | |
| 3086 { | |
| 3087 idents.push(ident); | |
| 3088 } | |
| 3089 | |
| 3090 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3091 { | |
| 3092 int i; | |
| 3093 | |
| 3094 for (i = 0; i < idents.dim; i++) | |
| 3095 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3096 | |
| 3097 buf->writeByte('.'); | |
| 3098 | |
| 3099 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3100 { | |
| 3101 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3102 ti->toCBuffer(buf, hgs); | |
| 3103 } | |
| 3104 else | |
| 3105 buf->writestring(id->toChars()); | |
| 3106 } | |
| 3107 } | |
| 3108 | |
| 3109 d_uns64 TypeQualified::size(Loc loc) | |
| 3110 { | |
| 3111 error(this->loc, "size of type %s is not known", toChars()); | |
| 3112 return 1; | |
| 3113 } | |
| 3114 | |
| 3115 /************************************* | |
| 3116 * Takes an array of Identifiers and figures out if | |
| 3117 * it represents a Type or an Expression. | |
| 3118 * Output: | |
| 3119 * if expression, *pe is set | |
| 3120 * if type, *pt is set | |
| 3121 */ | |
| 3122 | |
| 3123 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3124 Dsymbol *s, Dsymbol *scopesym, | |
| 3125 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3126 { | |
| 3127 Identifier *id = NULL; | |
| 3128 int i; | |
| 3129 VarDeclaration *v; | |
| 3130 EnumMember *em; | |
| 3131 TupleDeclaration *td; | |
| 3132 Type *t; | |
| 3133 Expression *e; | |
| 3134 | |
| 3135 #if 0 | |
| 3136 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3137 if (scopesym) | |
| 3138 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3139 #endif | |
| 3140 *pe = NULL; | |
| 3141 *pt = NULL; | |
| 3142 *ps = NULL; | |
| 3143 if (s) | |
| 3144 { | |
| 3145 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3146 s = s->toAlias(); | |
| 3147 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3148 for (i = 0; i < idents.dim; i++) | |
| 3149 { Dsymbol *sm; | |
| 3150 | |
| 3151 id = (Identifier *)idents.data[i]; | |
| 3152 sm = s->searchX(loc, sc, id); | |
| 3153 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3154 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3155 if (!sm) | |
| 3156 { | |
| 3157 v = s->isVarDeclaration(); | |
| 3158 if (v && id == Id::length) | |
| 3159 { | |
| 3160 if (v->isConst() && v->getExpInitializer()) | |
| 3161 { e = v->getExpInitializer()->exp; | |
| 3162 } | |
| 3163 else | |
| 3164 e = new VarExp(loc, v); | |
| 3165 t = e->type; | |
| 3166 if (!t) | |
| 3167 goto Lerror; | |
| 3168 goto L3; | |
| 3169 } | |
| 3170 t = s->getType(); | |
| 3171 if (!t && s->isDeclaration()) | |
| 3172 t = s->isDeclaration()->type; | |
| 3173 if (t) | |
| 3174 { | |
| 3175 sm = t->toDsymbol(sc); | |
| 3176 if (sm) | |
| 3177 { sm = sm->search(loc, id, 0); | |
| 3178 if (sm) | |
| 3179 goto L2; | |
| 3180 } | |
| 3181 //e = t->getProperty(loc, id); | |
| 3182 e = new TypeExp(loc, t); | |
| 3183 e = t->dotExp(sc, e, id); | |
| 3184 i++; | |
| 3185 L3: | |
| 3186 for (; i < idents.dim; i++) | |
| 3187 { | |
| 3188 id = (Identifier *)idents.data[i]; | |
| 3189 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3190 e = e->type->dotExp(sc, e, id); | |
| 3191 } | |
| 3192 *pe = e; | |
| 3193 } | |
| 3194 else | |
| 3195 Lerror: | |
| 3196 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3197 return; | |
| 3198 } | |
| 3199 L2: | |
| 3200 s = sm->toAlias(); | |
| 3201 } | |
| 3202 | |
| 3203 v = s->isVarDeclaration(); | |
| 3204 if (v) | |
| 3205 { | |
| 3206 // It's not a type, it's an expression | |
| 3207 if (v->isConst() && v->getExpInitializer()) | |
| 3208 { | |
| 3209 ExpInitializer *ei = v->getExpInitializer(); | |
| 3210 assert(ei); | |
| 3211 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3212 (*pe)->loc = loc; | |
| 3213 } | |
| 3214 else | |
| 3215 { | |
| 3216 #if 0 | |
| 3217 WithScopeSymbol *withsym; | |
| 3218 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3219 { | |
| 3220 // Same as wthis.ident | |
| 3221 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3222 e = new DotIdExp(loc, e, ident); | |
| 3223 //assert(0); // BUG: should handle this | |
| 3224 } | |
| 3225 else | |
| 3226 #endif | |
| 3227 *pe = new VarExp(loc, v); | |
| 3228 } | |
| 3229 return; | |
| 3230 } | |
| 3231 em = s->isEnumMember(); | |
| 3232 if (em) | |
| 3233 { | |
| 3234 // It's not a type, it's an expression | |
| 3235 *pe = em->value->copy(); | |
| 3236 return; | |
| 3237 } | |
| 3238 | |
| 3239 L1: | |
| 3240 t = s->getType(); | |
| 3241 if (!t) | |
| 3242 { | |
| 3243 // If the symbol is an import, try looking inside the import | |
| 3244 Import *si; | |
| 3245 | |
| 3246 si = s->isImport(); | |
| 3247 if (si) | |
| 3248 { | |
| 3249 s = si->search(loc, s->ident, 0); | |
| 3250 if (s && s != si) | |
| 3251 goto L1; | |
| 3252 s = si; | |
| 3253 } | |
| 3254 *ps = s; | |
| 3255 return; | |
| 3256 } | |
| 3257 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3258 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3259 return; | |
| 3260 } | |
| 3261 | |
| 3262 if (t != this) | |
| 3263 { | |
| 3264 if (t->reliesOnTident()) | |
| 3265 { | |
| 3266 Scope *scx; | |
| 3267 | |
| 3268 for (scx = sc; 1; scx = scx->enclosing) | |
| 3269 { | |
| 3270 if (!scx) | |
| 3271 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3272 return; | |
| 3273 } | |
| 3274 if (scx->scopesym == scopesym) | |
| 3275 break; | |
| 3276 } | |
| 3277 t = t->semantic(loc, scx); | |
| 3278 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3279 } | |
| 3280 } | |
| 3281 if (t->ty == Ttuple) | |
| 3282 *pt = t; | |
| 3283 else | |
| 3284 *pt = t->merge(); | |
| 3285 } | |
| 3286 if (!s) | |
| 3287 { | |
| 3288 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3289 } | |
| 3290 } | |
| 3291 | |
| 3292 /***************************** TypeIdentifier *****************************/ | |
| 3293 | |
| 3294 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3295 : TypeQualified(Tident, loc) | |
| 3296 { | |
| 3297 this->ident = ident; | |
| 3298 } | |
| 3299 | |
| 3300 | |
| 3301 Type *TypeIdentifier::syntaxCopy() | |
| 3302 { | |
| 3303 TypeIdentifier *t; | |
| 3304 | |
| 3305 t = new TypeIdentifier(loc, ident); | |
| 3306 t->syntaxCopyHelper(this); | |
| 3307 return t; | |
| 3308 } | |
| 3309 | |
| 3310 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3311 { unsigned len; | |
| 3312 char *name; | |
| 3313 | |
| 3314 name = ident->toChars(); | |
| 3315 len = strlen(name); | |
| 3316 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3317 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3318 } | |
| 3319 | |
| 3320 void TypeIdentifier::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3321 { | |
| 3322 OutBuffer tmp; | |
| 3323 | |
| 3324 tmp.writestring(this->ident->toChars()); | |
| 3325 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3326 buf->prependstring(tmp.toChars()); | |
| 3327 if (ident) | |
| 3328 { buf->writeByte(' '); | |
| 3329 buf->writestring(ident->toChars()); | |
| 3330 } | |
| 3331 } | |
| 3332 | |
| 3333 /************************************* | |
| 3334 * Takes an array of Identifiers and figures out if | |
| 3335 * it represents a Type or an Expression. | |
| 3336 * Output: | |
| 3337 * if expression, *pe is set | |
| 3338 * if type, *pt is set | |
| 3339 */ | |
| 3340 | |
| 3341 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3342 { Dsymbol *s; | |
| 3343 Dsymbol *scopesym; | |
| 3344 | |
| 3345 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3346 s = sc->search(loc, ident, &scopesym); | |
| 3347 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3348 } | |
| 3349 | |
| 3350 /***************************************** | |
| 3351 * See if type resolves to a symbol, if so, | |
| 3352 * return that symbol. | |
| 3353 */ | |
| 3354 | |
| 3355 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3356 { | |
| 3357 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3358 if (!sc) | |
| 3359 return NULL; | |
| 3360 //printf("ident = '%s'\n", ident->toChars()); | |
| 3361 | |
| 3362 Dsymbol *scopesym; | |
| 3363 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3364 if (s) | |
| 3365 { | |
| 3366 for (int i = 0; i < idents.dim; i++) | |
| 3367 { | |
| 3368 Identifier *id = (Identifier *)idents.data[i]; | |
| 3369 s = s->searchX(loc, sc, id); | |
| 3370 if (!s) // failed to find a symbol | |
| 3371 { //printf("\tdidn't find a symbol\n"); | |
| 3372 break; | |
| 3373 } | |
| 3374 } | |
| 3375 } | |
| 3376 return s; | |
| 3377 } | |
| 3378 | |
| 3379 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3380 { | |
| 3381 Type *t; | |
| 3382 Expression *e; | |
| 3383 Dsymbol *s; | |
| 3384 | |
| 3385 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3386 resolve(loc, sc, &e, &t, &s); | |
| 3387 if (t) | |
| 3388 { | |
| 3389 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3390 | |
| 3391 if (t->ty == Ttypedef) | |
| 3392 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3393 | |
| 3394 if (tt->sym->sem == 1) | |
| 3395 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3396 } | |
| 3397 } | |
| 3398 else | |
| 3399 { | |
| 3400 #ifdef DEBUG | |
| 3401 if (!global.gag) | |
| 3402 printf("1: "); | |
| 3403 #endif | |
| 3404 if (s) | |
| 3405 { | |
| 3406 s->error(loc, "is used as a type"); | |
| 3407 } | |
| 3408 else | |
| 3409 error(loc, "%s is used as a type", toChars()); | |
| 3410 t = tvoid; | |
| 3411 } | |
| 3412 //t->print(); | |
| 3413 return t; | |
| 3414 } | |
| 3415 | |
| 3416 Type *TypeIdentifier::reliesOnTident() | |
| 3417 { | |
| 3418 return this; | |
| 3419 } | |
| 3420 | |
| 3421 Expression *TypeIdentifier::toExpression() | |
| 3422 { | |
| 3423 Expression *e = new IdentifierExp(loc, ident); | |
| 3424 for (int i = 0; i < idents.dim; i++) | |
| 3425 { | |
| 3426 Identifier *id = (Identifier *)idents.data[i]; | |
| 3427 e = new DotIdExp(loc, e, id); | |
| 3428 } | |
| 3429 | |
| 3430 return e; | |
| 3431 } | |
| 3432 | |
| 3433 /***************************** TypeInstance *****************************/ | |
| 3434 | |
| 3435 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3436 : TypeQualified(Tinstance, loc) | |
| 3437 { | |
| 3438 this->tempinst = tempinst; | |
| 3439 } | |
| 3440 | |
| 3441 Type *TypeInstance::syntaxCopy() | |
| 3442 { | |
| 3443 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3444 TypeInstance *t; | |
| 3445 | |
| 3446 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3447 t->syntaxCopyHelper(this); | |
| 3448 return t; | |
| 3449 } | |
| 3450 | |
| 3451 | |
| 3452 void TypeInstance::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3453 { | |
| 3454 OutBuffer tmp; | |
| 3455 | |
| 3456 tempinst->toCBuffer(&tmp, hgs); | |
| 3457 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3458 buf->prependstring(tmp.toChars()); | |
| 3459 if (ident) | |
| 3460 { buf->writeByte(' '); | |
| 3461 buf->writestring(ident->toChars()); | |
| 3462 } | |
| 3463 } | |
| 3464 | |
| 3465 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3466 { | |
| 3467 // Note close similarity to TypeIdentifier::resolve() | |
| 3468 | |
| 3469 Dsymbol *s; | |
| 3470 | |
| 3471 *pe = NULL; | |
| 3472 *pt = NULL; | |
| 3473 *ps = NULL; | |
| 3474 | |
| 3475 #if 0 | |
| 3476 if (!idents.dim) | |
| 3477 { | |
| 3478 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3479 return; | |
| 3480 } | |
| 3481 #endif | |
| 3482 //id = (Identifier *)idents.data[0]; | |
| 3483 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3484 s = tempinst; | |
| 3485 if (s) | |
| 3486 s->semantic(sc); | |
| 3487 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3488 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3489 } | |
| 3490 | |
| 3491 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3492 { | |
| 3493 Type *t; | |
| 3494 Expression *e; | |
| 3495 Dsymbol *s; | |
| 3496 | |
| 3497 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3498 | |
| 3499 if (sc->parameterSpecialization) | |
| 3500 { | |
| 3501 unsigned errors = global.errors; | |
| 3502 global.gag++; | |
| 3503 | |
| 3504 resolve(loc, sc, &e, &t, &s); | |
| 3505 | |
| 3506 global.gag--; | |
| 3507 if (errors != global.errors) | |
| 3508 { if (global.gag == 0) | |
| 3509 global.errors = errors; | |
| 3510 return this; | |
| 3511 } | |
| 3512 } | |
| 3513 else | |
| 3514 resolve(loc, sc, &e, &t, &s); | |
| 3515 | |
| 3516 if (!t) | |
| 3517 { | |
| 3518 #ifdef DEBUG | |
| 3519 printf("2: "); | |
| 3520 #endif | |
| 3521 error(loc, "%s is used as a type", toChars()); | |
| 3522 t = tvoid; | |
| 3523 } | |
| 3524 return t; | |
| 3525 } | |
| 3526 | |
| 3527 | |
| 3528 /***************************** TypeTypeof *****************************/ | |
| 3529 | |
| 3530 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3531 : TypeQualified(Ttypeof, loc) | |
| 3532 { | |
| 3533 this->exp = exp; | |
| 3534 } | |
| 3535 | |
| 3536 Type *TypeTypeof::syntaxCopy() | |
| 3537 { | |
| 3538 TypeTypeof *t; | |
| 3539 | |
| 3540 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3541 t->syntaxCopyHelper(this); | |
| 3542 return t; | |
| 3543 } | |
| 3544 | |
| 3545 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3546 { | |
| 3547 Type *t; | |
| 3548 | |
| 3549 t = semantic(0, sc); | |
| 3550 if (t == this) | |
| 3551 return NULL; | |
| 3552 return t->toDsymbol(sc); | |
| 3553 } | |
| 3554 | |
| 3555 void TypeTypeof::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3556 { | |
| 3557 OutBuffer tmp; | |
| 3558 | |
| 3559 tmp.writestring("typeof("); | |
| 3560 exp->toCBuffer(&tmp, hgs); | |
| 3561 tmp.writeByte(')'); | |
| 3562 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3563 buf->prependstring(tmp.toChars()); | |
| 3564 if (ident) | |
| 3565 { buf->writeByte(' '); | |
| 3566 buf->writestring(ident->toChars()); | |
| 3567 } | |
| 3568 } | |
| 3569 | |
| 3570 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3571 { Expression *e; | |
| 3572 Type *t; | |
| 3573 | |
| 3574 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3575 | |
| 3576 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3577 | |
| 3578 #if 0 | |
| 3579 /* Special case for typeof(this) and typeof(super) since both | |
| 3580 * should work even if they are not inside a non-static member function | |
| 3581 */ | |
| 3582 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3583 { | |
| 3584 // Find enclosing struct or class | |
| 3585 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3586 { | |
| 3587 ClassDeclaration *cd; | |
| 3588 StructDeclaration *sd; | |
| 3589 | |
| 3590 if (!s) | |
| 3591 { | |
| 3592 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3593 goto Lerr; | |
| 3594 } | |
| 3595 cd = s->isClassDeclaration(); | |
| 3596 if (cd) | |
| 3597 { | |
| 3598 if (exp->op == TOKsuper) | |
| 3599 { | |
| 3600 cd = cd->baseClass; | |
| 3601 if (!cd) | |
| 3602 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3603 goto Lerr; | |
| 3604 } | |
| 3605 } | |
| 3606 t = cd->type; | |
| 3607 break; | |
| 3608 } | |
| 3609 sd = s->isStructDeclaration(); | |
| 3610 if (sd) | |
| 3611 { | |
| 3612 if (exp->op == TOKsuper) | |
| 3613 { | |
| 3614 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3615 goto Lerr; | |
| 3616 } | |
| 3617 t = sd->type->pointerTo(); | |
| 3618 break; | |
| 3619 } | |
| 3620 } | |
| 3621 } | |
| 3622 else | |
| 3623 #endif | |
| 3624 { | |
| 3625 sc->intypeof++; | |
| 3626 exp = exp->semantic(sc); | |
| 3627 sc->intypeof--; | |
| 3628 t = exp->type; | |
| 3629 if (!t) | |
| 3630 { | |
| 3631 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3632 goto Lerr; | |
| 3633 } | |
| 3634 } | |
| 3635 | |
| 3636 if (idents.dim) | |
| 3637 { | |
| 3638 Dsymbol *s = t->toDsymbol(sc); | |
| 3639 for (size_t i = 0; i < idents.dim; i++) | |
| 3640 { | |
| 3641 if (!s) | |
| 3642 break; | |
| 3643 Identifier *id = (Identifier *)idents.data[i]; | |
| 3644 s = s->searchX(loc, sc, id); | |
| 3645 } | |
| 3646 if (s) | |
| 3647 { | |
| 3648 t = s->getType(); | |
| 3649 if (!t) | |
| 3650 { error(loc, "%s is not a type", s->toChars()); | |
| 3651 goto Lerr; | |
| 3652 } | |
| 3653 } | |
| 3654 else | |
| 3655 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3656 goto Lerr; | |
| 3657 } | |
| 3658 } | |
| 3659 return t; | |
| 3660 | |
| 3661 Lerr: | |
| 3662 return tvoid; | |
| 3663 } | |
| 3664 | |
| 3665 d_uns64 TypeTypeof::size(Loc loc) | |
| 3666 { | |
| 3667 if (exp->type) | |
| 3668 return exp->type->size(loc); | |
| 3669 else | |
| 3670 return TypeQualified::size(loc); | |
| 3671 } | |
| 3672 | |
| 3673 | |
| 3674 | |
| 3675 /***************************** TypeEnum *****************************/ | |
| 3676 | |
| 3677 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3678 : Type(Tenum, NULL) | |
| 3679 { | |
| 3680 this->sym = sym; | |
| 3681 } | |
| 3682 | |
| 3683 char *TypeEnum::toChars() | |
| 3684 { | |
| 3685 return sym->toChars(); | |
| 3686 } | |
| 3687 | |
| 3688 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3689 { | |
| 3690 sym->semantic(sc); | |
| 3691 return merge(); | |
| 3692 } | |
| 3693 | |
| 3694 d_uns64 TypeEnum::size(Loc loc) | |
| 3695 { | |
| 3696 if (!sym->memtype) | |
| 3697 { | |
| 3698 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3699 return 4; | |
| 3700 } | |
| 3701 return sym->memtype->size(loc); | |
| 3702 } | |
| 3703 | |
| 3704 unsigned TypeEnum::alignsize() | |
| 3705 { | |
| 3706 if (!sym->memtype) | |
| 3707 { | |
| 3708 #ifdef DEBUG | |
| 3709 printf("1: "); | |
| 3710 #endif | |
| 3711 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3712 return 4; | |
| 3713 } | |
| 3714 return sym->memtype->alignsize(); | |
| 3715 } | |
| 3716 | |
| 3717 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3718 { | |
| 3719 return sym; | |
| 3720 } | |
| 3721 | |
| 3722 Type *TypeEnum::toBasetype() | |
| 3723 { | |
| 3724 if (!sym->memtype) | |
| 3725 { | |
| 3726 #ifdef DEBUG | |
| 3727 printf("2: "); | |
| 3728 #endif | |
| 3729 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3730 return tint32; | |
| 3731 } | |
| 3732 return sym->memtype->toBasetype(); | |
| 3733 } | |
| 3734 | |
| 3735 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3736 { char *name; | |
| 3737 | |
| 3738 name = sym->mangle(); | |
| 3739 // if (name[0] == '_' && name[1] == 'D') | |
| 3740 // name += 2; | |
| 3741 buf->printf("%c%s", mangleChar[ty], name); | |
| 3742 } | |
| 3743 | |
| 3744 void TypeEnum::toTypeInfoBuffer(OutBuffer *buf) | |
| 3745 { | |
| 3746 toBasetype()->toTypeInfoBuffer(buf); | |
| 3747 } | |
| 3748 | |
| 3749 void TypeEnum::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3750 { | |
| 3751 buf->prependstring(sym->toChars()); | |
| 3752 if (ident) | |
| 3753 { buf->writeByte(' '); | |
| 3754 buf->writestring(ident->toChars()); | |
| 3755 } | |
| 3756 } | |
| 3757 | |
| 3758 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3759 { | |
| 3760 EnumMember *m; | |
| 3761 Dsymbol *s; | |
| 3762 Expression *em; | |
| 3763 | |
| 3764 #if LOGDOTEXP | |
| 3765 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3766 #endif | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3767 if (!sym->symtab) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3768 goto Lfwd; |
| 1 | 3769 s = sym->symtab->lookup(ident); |
| 3770 if (!s) | |
| 3771 { | |
| 3772 return getProperty(e->loc, ident); | |
| 3773 } | |
| 3774 m = s->isEnumMember(); | |
| 3775 em = m->value->copy(); | |
| 3776 em->loc = e->loc; | |
| 3777 return em; | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3778 |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3779 Lfwd: |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3780 error(e->loc, "forward reference of %s.%s", toChars(), ident->toChars()); |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3781 return new IntegerExp(0, 0, this); |
| 1 | 3782 } |
| 3783 | |
| 3784 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3785 { Expression *e; | |
| 3786 | |
| 3787 if (ident == Id::max) | |
| 3788 { | |
| 3789 if (!sym->symtab) | |
| 3790 goto Lfwd; | |
| 3791 e = new IntegerExp(0, sym->maxval, this); | |
| 3792 } | |
| 3793 else if (ident == Id::min) | |
| 3794 { | |
| 3795 if (!sym->symtab) | |
| 3796 goto Lfwd; | |
| 3797 e = new IntegerExp(0, sym->minval, this); | |
| 3798 } | |
| 3799 else if (ident == Id::init) | |
| 3800 { | |
| 3801 if (!sym->symtab) | |
| 3802 goto Lfwd; | |
| 3803 e = defaultInit(); | |
| 3804 } | |
| 3805 else | |
| 3806 { | |
| 3807 if (!sym->memtype) | |
| 3808 goto Lfwd; | |
| 3809 e = sym->memtype->getProperty(loc, ident); | |
| 3810 } | |
| 3811 return e; | |
| 3812 | |
| 3813 Lfwd: | |
| 3814 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3815 return new IntegerExp(0, 0, this); | |
| 3816 } | |
| 3817 | |
| 3818 int TypeEnum::isintegral() | |
| 3819 { | |
| 3820 return 1; | |
| 3821 } | |
| 3822 | |
| 3823 int TypeEnum::isfloating() | |
| 3824 { | |
| 3825 return 0; | |
| 3826 } | |
| 3827 | |
| 3828 int TypeEnum::isunsigned() | |
| 3829 { | |
| 3830 return sym->memtype->isunsigned(); | |
| 3831 } | |
| 3832 | |
| 3833 int TypeEnum::isscalar() | |
| 3834 { | |
| 3835 return 1; | |
| 3836 //return sym->memtype->isscalar(); | |
| 3837 } | |
| 3838 | |
| 3839 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3840 { MATCH m; | |
| 3841 | |
| 3842 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3843 if (this->equals(to)) | |
| 3844 m = MATCHexact; // exact match | |
| 3845 else if (sym->memtype->implicitConvTo(to)) | |
| 3846 m = MATCHconvert; // match with conversions | |
| 3847 else | |
| 3848 m = MATCHnomatch; // no match | |
| 3849 return m; | |
| 3850 } | |
| 3851 | |
| 3852 Expression *TypeEnum::defaultInit() | |
| 3853 { | |
| 3854 #if LOGDEFAULTINIT | |
| 3855 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3856 #endif | |
| 3857 // Initialize to first member of enum | |
| 3858 Expression *e; | |
| 3859 e = new IntegerExp(0, sym->defaultval, this); | |
| 3860 return e; | |
| 3861 } | |
| 3862 | |
| 3863 int TypeEnum::isZeroInit() | |
| 3864 { | |
| 3865 return (sym->defaultval == 0); | |
| 3866 } | |
| 3867 | |
| 3868 int TypeEnum::hasPointers() | |
| 3869 { | |
| 3870 return toBasetype()->hasPointers(); | |
| 3871 } | |
| 3872 | |
| 3873 /***************************** TypeTypedef *****************************/ | |
| 3874 | |
| 3875 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3876 : Type(Ttypedef, NULL) | |
| 3877 { | |
| 3878 this->sym = sym; | |
| 3879 } | |
| 3880 | |
| 3881 Type *TypeTypedef::syntaxCopy() | |
| 3882 { | |
| 3883 return this; | |
| 3884 } | |
| 3885 | |
| 3886 char *TypeTypedef::toChars() | |
| 3887 { | |
| 3888 return sym->toChars(); | |
| 3889 } | |
| 3890 | |
| 3891 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3892 { | |
| 3893 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3894 sym->semantic(sc); | |
| 3895 return merge(); | |
| 3896 } | |
| 3897 | |
| 3898 d_uns64 TypeTypedef::size(Loc loc) | |
| 3899 { | |
| 3900 return sym->basetype->size(loc); | |
| 3901 } | |
| 3902 | |
| 3903 unsigned TypeTypedef::alignsize() | |
| 3904 { | |
| 3905 return sym->basetype->alignsize(); | |
| 3906 } | |
| 3907 | |
| 3908 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3909 { | |
| 3910 return sym; | |
| 3911 } | |
| 3912 | |
| 3913 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3914 { unsigned len; | |
| 3915 char *name; | |
| 3916 | |
| 3917 name = sym->mangle(); | |
| 3918 // if (name[0] == '_' && name[1] == 'D') | |
| 3919 // name += 2; | |
| 3920 //len = strlen(name); | |
| 3921 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3922 buf->printf("%c%s", mangleChar[ty], name); | |
| 3923 } | |
| 3924 | |
| 3925 void TypeTypedef::toTypeInfoBuffer(OutBuffer *buf) | |
| 3926 { | |
| 3927 sym->basetype->toTypeInfoBuffer(buf); | |
| 3928 } | |
| 3929 | |
| 3930 void TypeTypedef::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3931 { | |
| 3932 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3933 buf->prependstring(sym->toChars()); | |
| 3934 if (ident) | |
| 3935 { buf->writeByte(' '); | |
| 3936 buf->writestring(ident->toChars()); | |
| 3937 } | |
| 3938 } | |
| 3939 | |
| 3940 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3941 { | |
| 3942 #if LOGDOTEXP | |
| 3943 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3944 #endif | |
| 3945 if (ident == Id::init) | |
| 3946 { | |
| 3947 return Type::dotExp(sc, e, ident); | |
| 3948 } | |
| 3949 return sym->basetype->dotExp(sc, e, ident); | |
| 3950 } | |
| 3951 | |
| 3952 int TypeTypedef::isbit() | |
| 3953 { | |
| 3954 return sym->basetype->isbit(); | |
| 3955 } | |
| 3956 | |
| 3957 int TypeTypedef::isintegral() | |
| 3958 { | |
| 3959 //printf("TypeTypedef::isintegral()\n"); | |
| 3960 //printf("sym = '%s'\n", sym->toChars()); | |
| 3961 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3962 return sym->basetype->isintegral(); | |
| 3963 } | |
| 3964 | |
| 3965 int TypeTypedef::isfloating() | |
| 3966 { | |
| 3967 return sym->basetype->isfloating(); | |
| 3968 } | |
| 3969 | |
| 3970 int TypeTypedef::isreal() | |
| 3971 { | |
| 3972 return sym->basetype->isreal(); | |
| 3973 } | |
| 3974 | |
| 3975 int TypeTypedef::isimaginary() | |
| 3976 { | |
| 3977 return sym->basetype->isimaginary(); | |
| 3978 } | |
| 3979 | |
| 3980 int TypeTypedef::iscomplex() | |
| 3981 { | |
| 3982 return sym->basetype->iscomplex(); | |
| 3983 } | |
| 3984 | |
| 3985 int TypeTypedef::isunsigned() | |
| 3986 { | |
| 3987 return sym->basetype->isunsigned(); | |
| 3988 } | |
| 3989 | |
| 3990 int TypeTypedef::isscalar() | |
| 3991 { | |
| 3992 return sym->basetype->isscalar(); | |
| 3993 } | |
| 3994 | |
| 3995 int TypeTypedef::checkBoolean() | |
| 3996 { | |
| 3997 return sym->basetype->checkBoolean(); | |
| 3998 } | |
| 3999 | |
| 4000 Type *TypeTypedef::toBasetype() | |
| 4001 { | |
| 4002 if (sym->inuse) | |
| 4003 { | |
| 4004 sym->error("circular definition"); | |
| 4005 sym->basetype = Type::terror; | |
| 4006 return Type::terror; | |
| 4007 } | |
| 4008 sym->inuse = 1; | |
| 4009 Type *t = sym->basetype->toBasetype(); | |
| 4010 sym->inuse = 0; | |
| 4011 return t; | |
| 4012 } | |
| 4013 | |
| 4014 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4015 { MATCH m; | |
| 4016 | |
| 4017 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4018 if (this->equals(to)) | |
| 4019 m = MATCHexact; // exact match | |
| 4020 else if (sym->basetype->implicitConvTo(to)) | |
| 4021 m = MATCHconvert; // match with conversions | |
| 4022 else | |
| 4023 m = MATCHnomatch; // no match | |
| 4024 return m; | |
| 4025 } | |
| 4026 | |
| 4027 Expression *TypeTypedef::defaultInit() | |
| 4028 { Expression *e; | |
| 4029 Type *bt; | |
| 4030 | |
| 4031 #if LOGDEFAULTINIT | |
| 4032 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4033 #endif | |
| 4034 if (sym->init) | |
| 4035 { | |
| 4036 //sym->init->toExpression()->print(); | |
| 4037 return sym->init->toExpression(); | |
| 4038 } | |
| 4039 bt = sym->basetype; | |
| 4040 e = bt->defaultInit(); | |
| 4041 e->type = this; | |
| 4042 while (bt->ty == Tsarray) | |
| 4043 { | |
| 4044 e->type = bt->next; | |
| 4045 bt = bt->next->toBasetype(); | |
| 4046 } | |
| 4047 return e; | |
| 4048 } | |
| 4049 | |
| 4050 int TypeTypedef::isZeroInit() | |
| 4051 { | |
| 4052 if (sym->init) | |
| 4053 { | |
| 4054 if (sym->init->isVoidInitializer()) | |
| 4055 return 1; // initialize voids to 0 | |
| 4056 Expression *e = sym->init->toExpression(); | |
| 4057 if (e && e->isBool(FALSE)) | |
| 4058 return 1; | |
| 4059 return 0; // assume not | |
| 4060 } | |
| 4061 if (sym->inuse) | |
| 4062 { | |
| 4063 sym->error("circular definition"); | |
| 4064 sym->basetype = Type::terror; | |
| 4065 } | |
| 4066 sym->inuse = 1; | |
| 4067 int result = sym->basetype->isZeroInit(); | |
| 4068 sym->inuse = 0; | |
| 4069 return result; | |
| 4070 } | |
| 4071 | |
| 4072 int TypeTypedef::hasPointers() | |
| 4073 { | |
| 4074 return toBasetype()->hasPointers(); | |
| 4075 } | |
| 4076 | |
| 4077 /***************************** TypeStruct *****************************/ | |
| 4078 | |
| 4079 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4080 : Type(Tstruct, NULL) | |
| 4081 { | |
| 4082 this->sym = sym; | |
| 4083 llvmInit = 0; | |
| 4084 } | |
| 4085 | |
| 4086 char *TypeStruct::toChars() | |
| 4087 { | |
| 4088 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4089 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4090 if (ti && ti->toAlias() == sym) | |
| 4091 return ti->toChars(); | |
| 4092 return sym->toChars(); | |
| 4093 } | |
| 4094 | |
| 4095 Type *TypeStruct::syntaxCopy() | |
| 4096 { | |
| 4097 return this; | |
| 4098 } | |
| 4099 | |
| 4100 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4101 { | |
| 4102 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4103 | |
| 4104 /* Cannot do semantic for sym because scope chain may not | |
| 4105 * be right. | |
| 4106 */ | |
| 4107 //sym->semantic(sc); | |
| 4108 | |
| 4109 return merge(); | |
| 4110 } | |
| 4111 | |
| 4112 d_uns64 TypeStruct::size(Loc loc) | |
| 4113 { | |
| 4114 return sym->size(loc); | |
| 4115 } | |
| 4116 | |
| 4117 unsigned TypeStruct::alignsize() | |
| 4118 { unsigned sz; | |
| 4119 | |
| 4120 sym->size(0); // give error for forward references | |
| 4121 sz = sym->alignsize; | |
| 4122 if (sz > sym->structalign) | |
| 4123 sz = sym->structalign; | |
| 4124 return sz; | |
| 4125 } | |
| 4126 | |
| 4127 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4128 { | |
| 4129 return sym; | |
| 4130 } | |
| 4131 | |
| 4132 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4133 { unsigned len; | |
| 4134 char *name; | |
| 4135 | |
| 4136 name = sym->mangle(); | |
| 4137 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4138 // if (name[0] == '_' && name[1] == 'D') | |
| 4139 // name += 2; | |
| 4140 //len = strlen(name); | |
| 4141 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4142 buf->printf("%c%s", mangleChar[ty], name); | |
| 4143 } | |
| 4144 | |
| 4145 void TypeStruct::toTypeInfoBuffer(OutBuffer *buf) | |
| 4146 { | |
| 4147 toDecoBuffer(buf); | |
| 4148 } | |
| 4149 | |
| 4150 | |
| 4151 void TypeStruct::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4152 { | |
| 4153 buf->prependbyte(' '); | |
| 4154 buf->prependstring(toChars()); | |
| 4155 if (ident) | |
| 4156 buf->writestring(ident->toChars()); | |
| 4157 } | |
| 4158 | |
| 4159 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4160 { unsigned offset; | |
| 4161 | |
| 4162 Expression *b; | |
| 4163 VarDeclaration *v; | |
| 4164 Dsymbol *s; | |
| 4165 DotVarExp *de; | |
| 4166 Declaration *d; | |
| 4167 | |
| 4168 #if LOGDOTEXP | |
| 4169 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4170 #endif | |
| 4171 if (!sym->members) | |
| 4172 { | |
| 4173 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4174 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4175 } | |
| 4176 | |
| 4177 if (ident == Id::tupleof) | |
| 4178 { | |
| 4179 /* Create a TupleExp | |
| 4180 */ | |
| 4181 Expressions *exps = new Expressions; | |
| 4182 exps->reserve(sym->fields.dim); | |
| 4183 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4184 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4185 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4186 exps->push(fe); | |
| 4187 } | |
| 4188 e = new TupleExp(e->loc, exps); | |
| 4189 e = e->semantic(sc); | |
| 4190 return e; | |
| 4191 } | |
| 4192 | |
| 4193 if (e->op == TOKdotexp) | |
| 4194 { DotExp *de = (DotExp *)e; | |
| 4195 | |
| 4196 if (de->e1->op == TOKimport) | |
| 4197 { | |
| 4198 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4199 | |
| 4200 s = se->sds->search(e->loc, ident, 0); | |
| 4201 e = de->e1; | |
| 4202 goto L1; | |
| 4203 } | |
| 4204 } | |
| 4205 | |
| 4206 s = sym->search(e->loc, ident, 0); | |
| 4207 L1: | |
| 4208 if (!s) | |
| 4209 { | |
| 4210 //return getProperty(e->loc, ident); | |
| 4211 return Type::dotExp(sc, e, ident); | |
| 4212 } | |
| 4213 s = s->toAlias(); | |
| 4214 | |
| 4215 v = s->isVarDeclaration(); | |
| 4216 if (v && v->isConst()) | |
| 4217 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4218 | |
| 4219 if (ei) | |
| 4220 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4221 e = e->semantic(sc); | |
| 4222 return e; | |
| 4223 } | |
| 4224 } | |
| 4225 | |
| 4226 if (s->getType()) | |
| 4227 { | |
| 4228 //return new DotTypeExp(e->loc, e, s); | |
| 4229 return new TypeExp(e->loc, s->getType()); | |
| 4230 } | |
| 4231 | |
| 4232 EnumMember *em = s->isEnumMember(); | |
| 4233 if (em) | |
| 4234 { | |
| 4235 assert(em->value); | |
| 4236 return em->value->copy(); | |
| 4237 } | |
| 4238 | |
| 4239 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4240 if (tm) | |
| 4241 { Expression *de; | |
| 4242 | |
| 4243 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4244 de->type = e->type; | |
| 4245 return de; | |
| 4246 } | |
| 4247 | |
| 4248 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4249 if (td) | |
| 4250 { | |
| 4251 e = new DotTemplateExp(e->loc, e, td); | |
| 4252 e->semantic(sc); | |
| 4253 return e; | |
| 4254 } | |
| 4255 | |
| 4256 d = s->isDeclaration(); | |
| 4257 #ifdef DEBUG | |
| 4258 if (!d) | |
| 4259 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4260 #endif | |
| 4261 assert(d); | |
| 4262 | |
| 4263 if (e->op == TOKtype) | |
| 4264 { FuncDeclaration *fd = sc->func; | |
| 4265 | |
| 4266 if (d->needThis() && fd && fd->vthis) | |
| 4267 { | |
| 4268 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4269 e = e->semantic(sc); | |
| 4270 return e; | |
| 4271 } | |
| 4272 if (d->isTupleDeclaration()) | |
| 4273 { | |
| 4274 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4275 e = e->semantic(sc); | |
| 4276 return e; | |
| 4277 } | |
| 4278 return new VarExp(e->loc, d); | |
| 4279 } | |
| 4280 | |
| 4281 if (d->isDataseg()) | |
| 4282 { | |
| 4283 // (e, d) | |
| 4284 VarExp *ve; | |
| 4285 | |
| 4286 accessCheck(e->loc, sc, e, d); | |
| 4287 ve = new VarExp(e->loc, d); | |
| 4288 e = new CommaExp(e->loc, e, ve); | |
| 4289 e->type = d->type; | |
| 4290 return e; | |
| 4291 } | |
| 4292 | |
| 4293 if (v) | |
| 4294 { | |
| 4295 if (v->toParent() != sym) | |
| 4296 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4297 | |
| 4298 // *(&e + offset) | |
| 4299 accessCheck(e->loc, sc, e, d); | |
| 4300 b = new AddrExp(e->loc, e); | |
| 4301 b->type = e->type->pointerTo(); | |
| 4302 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
| 4303 b->type = v->type->pointerTo(); | |
| 4304 e = new PtrExp(e->loc, b); | |
| 4305 e->type = v->type; | |
| 4306 return e; | |
| 4307 } | |
| 4308 | |
| 4309 de = new DotVarExp(e->loc, e, d); | |
| 4310 return de->semantic(sc); | |
| 4311 } | |
| 4312 | |
| 4313 unsigned TypeStruct::memalign(unsigned salign) | |
| 4314 { | |
| 4315 sym->size(0); // give error for forward references | |
| 4316 return sym->structalign; | |
| 4317 } | |
| 4318 | |
| 4319 Expression *TypeStruct::defaultInit() | |
| 4320 { Symbol *s; | |
| 4321 Declaration *d; | |
| 4322 | |
| 4323 #if LOGDEFAULTINIT | |
| 4324 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4325 #endif | |
| 4326 s = sym->toInitializer(); | |
| 4327 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4328 assert(d); | |
| 4329 d->type = this; | |
| 4330 return new VarExp(sym->loc, d); | |
| 4331 } | |
| 4332 | |
| 4333 int TypeStruct::isZeroInit() | |
| 4334 { | |
| 4335 return sym->zeroInit; | |
| 4336 } | |
| 4337 | |
| 4338 int TypeStruct::checkBoolean() | |
| 4339 { | |
| 4340 return FALSE; | |
| 4341 } | |
| 4342 | |
| 4343 int TypeStruct::hasPointers() | |
| 4344 { | |
| 4345 StructDeclaration *s = sym; | |
| 4346 | |
| 4347 sym->size(0); // give error for forward references | |
| 4348 if (s->members) | |
| 4349 { | |
| 4350 for (size_t i = 0; i < s->members->dim; i++) | |
| 4351 { | |
| 4352 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4353 if (sm->hasPointers()) | |
| 4354 return TRUE; | |
| 4355 } | |
| 4356 } | |
| 4357 return FALSE; | |
| 4358 } | |
| 4359 | |
| 4360 | |
| 4361 /***************************** TypeClass *****************************/ | |
| 4362 | |
| 4363 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4364 : Type(Tclass, NULL) | |
| 4365 { | |
| 4366 this->sym = sym; | |
| 4367 llvmInit = 0; | |
| 4368 } | |
| 4369 | |
| 4370 char *TypeClass::toChars() | |
| 4371 { | |
| 4372 return sym->toPrettyChars(); | |
| 4373 } | |
| 4374 | |
| 4375 Type *TypeClass::syntaxCopy() | |
| 4376 { | |
| 4377 return this; | |
| 4378 } | |
| 4379 | |
| 4380 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4381 { | |
| 4382 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4383 if (sym->scope) | |
| 4384 sym->semantic(sym->scope); | |
| 4385 return merge(); | |
| 4386 } | |
| 4387 | |
| 4388 d_uns64 TypeClass::size(Loc loc) | |
| 4389 { | |
| 4390 return PTRSIZE; | |
| 4391 } | |
| 4392 | |
| 4393 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4394 { | |
| 4395 return sym; | |
| 4396 } | |
| 4397 | |
| 4398 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4399 { unsigned len; | |
| 4400 char *name; | |
| 4401 | |
| 4402 name = sym->mangle(); | |
| 4403 // if (name[0] == '_' && name[1] == 'D') | |
| 4404 // name += 2; | |
| 4405 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4406 //len = strlen(name); | |
| 4407 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4408 buf->printf("%c%s", mangleChar[ty], name); | |
| 4409 } | |
| 4410 | |
| 4411 void TypeClass::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4412 { | |
| 4413 buf->prependstring(sym->toChars()); | |
| 4414 if (ident) | |
| 4415 { buf->writeByte(' '); | |
| 4416 buf->writestring(ident->toChars()); | |
| 4417 } | |
| 4418 } | |
| 4419 | |
| 4420 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4421 { unsigned offset; | |
| 4422 | |
| 4423 Expression *b; | |
| 4424 VarDeclaration *v; | |
| 4425 Dsymbol *s; | |
| 4426 DotVarExp *de; | |
| 4427 Declaration *d; | |
| 4428 | |
| 4429 #if LOGDOTEXP | |
| 4430 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4431 #endif | |
| 4432 | |
| 4433 if (e->op == TOKdotexp) | |
| 4434 { DotExp *de = (DotExp *)e; | |
| 4435 | |
| 4436 if (de->e1->op == TOKimport) | |
| 4437 { | |
| 4438 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4439 | |
| 4440 s = se->sds->search(e->loc, ident, 0); | |
| 4441 e = de->e1; | |
| 4442 goto L1; | |
| 4443 } | |
| 4444 } | |
| 4445 | |
| 4446 if (ident == Id::tupleof) | |
| 4447 { | |
| 4448 /* Create a TupleExp | |
| 4449 */ | |
| 4450 Expressions *exps = new Expressions; | |
| 4451 exps->reserve(sym->fields.dim); | |
| 4452 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4453 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4454 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4455 exps->push(fe); | |
| 4456 } | |
| 4457 e = new TupleExp(e->loc, exps); | |
| 4458 e = e->semantic(sc); | |
| 4459 return e; | |
| 4460 } | |
| 4461 | |
| 4462 s = sym->search(e->loc, ident, 0); | |
| 4463 L1: | |
| 4464 if (!s) | |
| 4465 { | |
| 4466 // See if it's a base class | |
| 4467 ClassDeclaration *cbase; | |
| 4468 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4469 { | |
| 4470 if (cbase->ident->equals(ident)) | |
| 4471 { | |
| 4472 e = new DotTypeExp(0, e, cbase); | |
| 4473 return e; | |
| 4474 } | |
| 4475 } | |
| 4476 | |
| 4477 if (ident == Id::classinfo) | |
| 4478 { | |
| 4479 Type *t; | |
| 4480 | |
| 4481 assert(ClassDeclaration::classinfo); | |
| 4482 t = ClassDeclaration::classinfo->type; | |
| 4483 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4484 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4485 /* For type.classinfo, we know the classinfo |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4486 * at compile time. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4487 */ |
| 1 | 4488 if (!sym->vclassinfo) |
| 4489 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4490 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4491 e = e->addressOf(sc); | |
| 4492 e->type = t; // do this so we don't get redundant dereference | |
| 4493 } | |
| 4494 else | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4495 { /* For class objects, the classinfo reference is the first |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4496 * entry in the vtbl[] |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4497 */ |
| 1 | 4498 e = new PtrExp(e->loc, e); |
| 4499 e->type = t->pointerTo(); | |
| 4500 if (sym->isInterfaceDeclaration()) | |
| 4501 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4502 if (sym->isCOMinterface()) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4503 { /* COM interface vtbl[]s are different in that the |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4504 * first entry is always pointer to QueryInterface(). |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4505 * We can't get a .classinfo for it. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4506 */ |
| 1 | 4507 error(e->loc, "no .classinfo for COM interface objects"); |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4508 } |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4509 /* For an interface, the first entry in the vtbl[] |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4510 * is actually a pointer to an instance of struct Interface. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4511 * The first member of Interface is the .classinfo, |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4512 * so add an extra pointer indirection. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4513 */ |
| 1 | 4514 e->type = e->type->pointerTo(); |
| 4515 e = new PtrExp(e->loc, e); | |
| 4516 e->type = t->pointerTo(); | |
| 4517 } | |
| 4518 e = new PtrExp(e->loc, e, t); | |
| 4519 } | |
| 4520 return e; | |
| 4521 } | |
| 4522 | |
| 4523 if (ident == Id::typeinfo) | |
| 4524 { | |
| 4525 if (!global.params.useDeprecated) | |
| 4526 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4527 return getTypeInfo(sc); | |
| 4528 } | |
| 4529 if (ident == Id::outer && sym->vthis) | |
| 4530 { | |
| 4531 s = sym->vthis; | |
| 4532 } | |
| 4533 else | |
| 4534 { | |
| 4535 //return getProperty(e->loc, ident); | |
| 4536 return Type::dotExp(sc, e, ident); | |
| 4537 } | |
| 4538 } | |
| 4539 s = s->toAlias(); | |
| 4540 v = s->isVarDeclaration(); | |
| 4541 if (v && v->isConst()) | |
| 4542 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4543 | |
| 4544 if (ei) | |
| 4545 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4546 e = e->semantic(sc); | |
| 4547 return e; | |
| 4548 } | |
| 4549 } | |
| 4550 | |
| 4551 if (s->getType()) | |
| 4552 { | |
| 4553 // if (e->op == TOKtype) | |
| 4554 return new TypeExp(e->loc, s->getType()); | |
| 4555 // return new DotTypeExp(e->loc, e, s); | |
| 4556 } | |
| 4557 | |
| 4558 EnumMember *em = s->isEnumMember(); | |
| 4559 if (em) | |
| 4560 { | |
| 4561 assert(em->value); | |
| 4562 return em->value->copy(); | |
| 4563 } | |
| 4564 | |
| 4565 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4566 if (tm) | |
| 4567 { Expression *de; | |
| 4568 | |
| 4569 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4570 de->type = e->type; | |
| 4571 return de; | |
| 4572 } | |
| 4573 | |
| 4574 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4575 if (td) | |
| 4576 { | |
| 4577 e = new DotTemplateExp(e->loc, e, td); | |
| 4578 e->semantic(sc); | |
| 4579 return e; | |
| 4580 } | |
| 4581 | |
| 4582 d = s->isDeclaration(); | |
| 4583 if (!d) | |
| 4584 { | |
| 4585 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4586 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4587 } | |
| 4588 | |
| 4589 if (e->op == TOKtype) | |
| 4590 { | |
| 4591 VarExp *ve; | |
| 4592 | |
| 4593 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4594 { | |
| 4595 if (sc->func) | |
| 4596 { | |
| 4597 ClassDeclaration *thiscd; | |
| 4598 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4599 | |
| 4600 if (thiscd) | |
| 4601 { | |
| 4602 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4603 | |
| 4604 if (cd == thiscd) | |
| 4605 { | |
| 4606 e = new ThisExp(e->loc); | |
| 4607 e = new DotTypeExp(e->loc, e, cd); | |
| 4608 de = new DotVarExp(e->loc, e, d); | |
| 4609 e = de->semantic(sc); | |
| 4610 return e; | |
| 4611 } | |
| 4612 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4613 !d->isFuncDeclaration()) | |
| 4614 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4615 } | |
| 4616 } | |
| 4617 | |
| 4618 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4619 e = de->semantic(sc); | |
| 4620 return e; | |
| 4621 } | |
| 4622 else if (d->isTupleDeclaration()) | |
| 4623 { | |
| 4624 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4625 e = e->semantic(sc); | |
| 4626 return e; | |
| 4627 } | |
| 4628 else | |
| 4629 ve = new VarExp(e->loc, d); | |
| 4630 return ve; | |
| 4631 } | |
| 4632 | |
| 4633 if (d->isDataseg()) | |
| 4634 { | |
| 4635 // (e, d) | |
| 4636 VarExp *ve; | |
| 4637 | |
| 4638 accessCheck(e->loc, sc, e, d); | |
| 4639 ve = new VarExp(e->loc, d); | |
| 4640 e = new CommaExp(e->loc, e, ve); | |
| 4641 e->type = d->type; | |
| 4642 return e; | |
| 4643 } | |
| 4644 | |
| 4645 if (d->parent && d->toParent()->isModule()) | |
| 4646 { | |
| 4647 // (e, d) | |
| 4648 VarExp *ve; | |
| 4649 | |
| 4650 ve = new VarExp(e->loc, d); | |
| 4651 e = new CommaExp(e->loc, e, ve); | |
| 4652 e->type = d->type; | |
| 4653 return e; | |
| 4654 } | |
| 4655 | |
| 4656 de = new DotVarExp(e->loc, e, d); | |
| 4657 return de->semantic(sc); | |
| 4658 } | |
| 4659 | |
| 4660 ClassDeclaration *TypeClass::isClassHandle() | |
| 4661 { | |
| 4662 return sym; | |
| 4663 } | |
| 4664 | |
| 4665 int TypeClass::isauto() | |
| 4666 { | |
| 4667 return sym->isauto; | |
| 4668 } | |
| 4669 | |
| 4670 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4671 { | |
| 4672 if (t->ty == Tclass) | |
| 4673 { ClassDeclaration *cd; | |
| 4674 | |
| 4675 cd = ((TypeClass *)t)->sym; | |
| 4676 if (sym->isBaseOf(cd, poffset)) | |
| 4677 return 1; | |
| 4678 } | |
| 4679 return 0; | |
| 4680 } | |
| 4681 | |
| 4682 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4683 { | |
| 4684 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4685 if (this == to) | |
| 4686 return MATCHexact; | |
| 4687 | |
| 4688 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4689 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4690 { //printf("is base\n"); | |
| 4691 return MATCHconvert; | |
| 4692 } | |
| 4693 | |
| 4694 if (global.params.Dversion == 1) | |
| 4695 { | |
| 4696 // Allow conversion to (void *) | |
| 4697 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4698 return MATCHconvert; | |
| 4699 } | |
| 4700 | |
| 4701 return MATCHnomatch; | |
| 4702 } | |
| 4703 | |
| 4704 Expression *TypeClass::defaultInit() | |
| 4705 { | |
| 4706 #if LOGDEFAULTINIT | |
| 4707 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4708 #endif | |
| 4709 Expression *e; | |
| 4710 e = new NullExp(0); | |
| 4711 e->type = this; | |
| 4712 return e; | |
| 4713 } | |
| 4714 | |
| 4715 int TypeClass::isZeroInit() | |
| 4716 { | |
| 4717 return 1; | |
| 4718 } | |
| 4719 | |
| 4720 int TypeClass::checkBoolean() | |
| 4721 { | |
| 4722 return TRUE; | |
| 4723 } | |
| 4724 | |
| 4725 int TypeClass::hasPointers() | |
| 4726 { | |
| 4727 return TRUE; | |
| 4728 } | |
| 4729 | |
| 4730 /***************************** TypeTuple *****************************/ | |
| 4731 | |
| 4732 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4733 : Type(Ttuple, NULL) | |
| 4734 { | |
| 4735 //printf("TypeTuple(this = %p)\n", this); | |
| 4736 this->arguments = arguments; | |
| 4737 #ifdef DEBUG | |
| 4738 if (arguments) | |
| 4739 { | |
| 4740 for (size_t i = 0; i < arguments->dim; i++) | |
| 4741 { | |
| 4742 Argument *arg = (Argument *)arguments->data[i]; | |
| 4743 assert(arg && arg->type); | |
| 4744 } | |
| 4745 } | |
| 4746 #endif | |
| 4747 } | |
| 4748 | |
| 4749 /**************** | |
| 4750 * Form TypeTuple from the types of the expressions. | |
| 4751 * Assume exps[] is already tuple expanded. | |
| 4752 */ | |
| 4753 | |
| 4754 TypeTuple::TypeTuple(Expressions *exps) | |
| 4755 : Type(Ttuple, NULL) | |
| 4756 { | |
| 4757 Arguments *arguments = new Arguments; | |
| 4758 if (exps) | |
| 4759 { | |
| 4760 arguments->setDim(exps->dim); | |
| 4761 for (size_t i = 0; i < exps->dim; i++) | |
| 4762 { Expression *e = (Expression *)exps->data[i]; | |
| 4763 if (e->type->ty == Ttuple) | |
| 4764 e->error("cannot form tuple of tuples"); | |
| 4765 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4766 arguments->data[i] = (void *)arg; | |
| 4767 } | |
| 4768 } | |
| 4769 this->arguments = arguments; | |
| 4770 } | |
| 4771 | |
| 4772 Type *TypeTuple::syntaxCopy() | |
| 4773 { | |
| 4774 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4775 Type *t = new TypeTuple(args); | |
| 4776 return t; | |
| 4777 } | |
| 4778 | |
| 4779 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4780 { | |
| 4781 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4782 if (!deco) | |
| 4783 deco = merge()->deco; | |
| 4784 | |
| 4785 /* Don't return merge(), because a tuple with one type has the | |
| 4786 * same deco as that type. | |
| 4787 */ | |
| 4788 return this; | |
| 4789 } | |
| 4790 | |
| 4791 int TypeTuple::equals(Object *o) | |
| 4792 { Type *t; | |
| 4793 | |
| 4794 t = (Type *)o; | |
| 4795 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4796 if (this == t) | |
| 4797 { | |
| 4798 return 1; | |
| 4799 } | |
| 4800 if (t->ty == Ttuple) | |
| 4801 { TypeTuple *tt = (TypeTuple *)t; | |
| 4802 | |
| 4803 if (arguments->dim == tt->arguments->dim) | |
| 4804 { | |
| 4805 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4806 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4807 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4808 | |
| 4809 if (!arg1->type->equals(arg2->type)) | |
| 4810 return 0; | |
| 4811 } | |
| 4812 return 1; | |
| 4813 } | |
| 4814 } | |
| 4815 return 0; | |
| 4816 } | |
| 4817 | |
| 4818 Type *TypeTuple::reliesOnTident() | |
| 4819 { | |
| 4820 if (arguments) | |
| 4821 { | |
| 4822 for (size_t i = 0; i < arguments->dim; i++) | |
| 4823 { | |
| 4824 Argument *arg = (Argument *)arguments->data[i]; | |
| 4825 Type *t = arg->type->reliesOnTident(); | |
| 4826 if (t) | |
| 4827 return t; | |
| 4828 } | |
| 4829 } | |
| 4830 return NULL; | |
| 4831 } | |
| 4832 | |
| 4833 void TypeTuple::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4834 { | |
| 4835 OutBuffer buf2; | |
| 4836 Argument::argsToCBuffer(&buf2, hgs, arguments, 0); | |
| 4837 buf->prependstring(buf2.toChars()); | |
| 4838 if (ident) | |
| 4839 { buf->writeByte(' '); | |
| 4840 buf->writestring(ident->toChars()); | |
| 4841 } | |
| 4842 } | |
| 4843 | |
| 4844 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4845 { | |
| 4846 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4847 OutBuffer buf2; | |
| 4848 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4849 unsigned len = buf2.offset; | |
| 4850 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4851 } | |
| 4852 | |
| 4853 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4854 { Expression *e; | |
| 4855 | |
| 4856 #if LOGDOTEXP | |
| 4857 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4858 #endif | |
| 4859 if (ident == Id::length) | |
| 4860 { | |
| 4861 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4862 } | |
| 4863 else | |
| 4864 { | |
| 4865 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4866 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4867 } | |
| 4868 return e; | |
| 4869 } | |
| 4870 | |
| 4871 /***************************** TypeSlice *****************************/ | |
| 4872 | |
| 4873 /* This is so we can slice a TypeTuple */ | |
| 4874 | |
| 4875 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4876 : Type(Tslice, next) | |
| 4877 { | |
| 4878 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4879 this->lwr = lwr; | |
| 4880 this->upr = upr; | |
| 4881 } | |
| 4882 | |
| 4883 Type *TypeSlice::syntaxCopy() | |
| 4884 { | |
| 4885 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4886 return t; | |
| 4887 } | |
| 4888 | |
| 4889 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4890 { | |
| 4891 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4892 next = next->semantic(loc, sc); | |
| 4893 //printf("next: %s\n", next->toChars()); | |
| 4894 | |
| 4895 Type *tbn = next->toBasetype(); | |
| 4896 if (tbn->ty != Ttuple) | |
| 4897 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4898 return Type::terror; | |
| 4899 } | |
| 4900 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4901 | |
| 4902 lwr = semanticLength(sc, tbn, lwr); | |
| 4903 lwr = lwr->optimize(WANTvalue); | |
| 4904 uinteger_t i1 = lwr->toUInteger(); | |
| 4905 | |
| 4906 upr = semanticLength(sc, tbn, upr); | |
| 4907 upr = upr->optimize(WANTvalue); | |
| 4908 uinteger_t i2 = upr->toUInteger(); | |
| 4909 | |
| 4910 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4911 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4912 return Type::terror; | |
| 4913 } | |
| 4914 | |
| 4915 Arguments *args = new Arguments; | |
| 4916 args->reserve(i2 - i1); | |
| 4917 for (size_t i = i1; i < i2; i++) | |
| 4918 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4919 args->push(arg); | |
| 4920 } | |
| 4921 | |
| 4922 return new TypeTuple(args); | |
| 4923 } | |
| 4924 | |
| 4925 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4926 { | |
| 4927 next->resolve(loc, sc, pe, pt, ps); | |
| 4928 if (*pe) | |
| 4929 { // It's really a slice expression | |
| 4930 Expression *e; | |
| 4931 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4932 *pe = e; | |
| 4933 } | |
| 4934 else if (*ps) | |
| 4935 { Dsymbol *s = *ps; | |
| 4936 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4937 if (td) | |
| 4938 { | |
| 4939 /* It's a slice of a TupleDeclaration | |
| 4940 */ | |
| 4941 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4942 sym->parent = sc->scopesym; | |
| 4943 sc = sc->push(sym); | |
| 4944 | |
| 4945 lwr = lwr->semantic(sc); | |
| 4946 lwr = lwr->optimize(WANTvalue); | |
| 4947 uinteger_t i1 = lwr->toUInteger(); | |
| 4948 | |
| 4949 upr = upr->semantic(sc); | |
| 4950 upr = upr->optimize(WANTvalue); | |
| 4951 uinteger_t i2 = upr->toUInteger(); | |
| 4952 | |
| 4953 sc = sc->pop(); | |
| 4954 | |
| 4955 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 4956 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 4957 goto Ldefault; | |
| 4958 } | |
| 4959 | |
| 4960 if (i1 == 0 && i2 == td->objects->dim) | |
| 4961 { | |
| 4962 *ps = td; | |
| 4963 return; | |
| 4964 } | |
| 4965 | |
| 4966 /* Create a new TupleDeclaration which | |
| 4967 * is a slice [i1..i2] out of the old one. | |
| 4968 */ | |
| 4969 Objects *objects = new Objects; | |
| 4970 objects->setDim(i2 - i1); | |
| 4971 for (size_t i = 0; i < objects->dim; i++) | |
| 4972 { | |
| 4973 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 4974 } | |
| 4975 | |
| 4976 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 4977 *ps = tds; | |
| 4978 } | |
| 4979 else | |
| 4980 goto Ldefault; | |
| 4981 } | |
| 4982 else | |
| 4983 { | |
| 4984 Ldefault: | |
| 4985 Type::resolve(loc, sc, pe, pt, ps); | |
| 4986 } | |
| 4987 } | |
| 4988 | |
| 4989 void TypeSlice::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4990 { | |
| 4991 OutBuffer buf2; | |
| 4992 | |
| 4993 buf2.printf("[%s .. ", lwr->toChars()); | |
| 4994 buf2.printf("%s]", upr->toChars()); | |
| 4995 | |
| 4996 buf->prependstring(buf2.toChars()); | |
| 4997 if (ident) | |
| 4998 { | |
| 4999 buf->writeByte(' '); | |
| 5000 buf->writestring(ident->toChars()); | |
| 5001 } | |
| 5002 next->toCBuffer2(buf, NULL, hgs); | |
| 5003 } | |
| 5004 | |
| 5005 /***************************** Argument *****************************/ | |
| 5006 | |
| 5007 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 5008 { | |
| 5009 this->type = type; | |
| 5010 this->ident = ident; | |
| 5011 this->storageClass = storageClass; | |
| 5012 this->defaultArg = defaultArg; | |
| 5013 this->llvmCopy = false; | |
| 5014 this->vardecl = 0; | |
| 5015 } | |
| 5016 | |
| 5017 Argument *Argument::syntaxCopy() | |
| 5018 { | |
| 5019 Argument *a = new Argument(storageClass, | |
| 5020 type ? type->syntaxCopy() : NULL, | |
| 5021 ident, | |
| 5022 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
| 5023 return a; | |
| 5024 } | |
| 5025 | |
| 5026 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5027 { Arguments *a = NULL; | |
| 5028 | |
| 5029 if (args) | |
| 5030 { | |
| 5031 a = new Arguments(); | |
| 5032 a->setDim(args->dim); | |
| 5033 for (size_t i = 0; i < a->dim; i++) | |
| 5034 { Argument *arg = (Argument *)args->data[i]; | |
| 5035 | |
| 5036 arg = arg->syntaxCopy(); | |
| 5037 a->data[i] = (void *)arg; | |
| 5038 } | |
| 5039 } | |
| 5040 return a; | |
| 5041 } | |
| 5042 | |
| 5043 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5044 { OutBuffer *buf; | |
| 5045 | |
| 5046 buf = new OutBuffer(); | |
| 5047 | |
| 5048 buf->writeByte('('); | |
| 5049 if (args) | |
| 5050 { int i; | |
| 5051 OutBuffer argbuf; | |
| 5052 HdrGenState hgs; | |
| 5053 | |
| 5054 for (i = 0; i < args->dim; i++) | |
| 5055 { Argument *arg; | |
| 5056 | |
| 5057 if (i) | |
| 5058 buf->writeByte(','); | |
| 5059 arg = (Argument *)args->data[i]; | |
| 5060 argbuf.reset(); | |
| 5061 arg->type->toCBuffer2(&argbuf, NULL, &hgs); | |
| 5062 buf->write(&argbuf); | |
| 5063 } | |
| 5064 if (varargs) | |
| 5065 { | |
| 5066 if (i && varargs == 1) | |
| 5067 buf->writeByte(','); | |
| 5068 buf->writestring("..."); | |
| 5069 } | |
| 5070 } | |
| 5071 buf->writeByte(')'); | |
| 5072 | |
| 5073 return buf->toChars(); | |
| 5074 } | |
| 5075 | |
| 5076 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5077 { | |
| 5078 buf->writeByte('('); | |
| 5079 if (arguments) | |
| 5080 { int i; | |
| 5081 OutBuffer argbuf; | |
| 5082 | |
| 5083 for (i = 0; i < arguments->dim; i++) | |
| 5084 { Argument *arg; | |
| 5085 | |
| 5086 if (i) | |
| 5087 buf->writestring(", "); | |
| 5088 arg = (Argument *)arguments->data[i]; | |
| 5089 if (arg->storageClass & STCout) | |
| 5090 buf->writestring("out "); | |
| 5091 else if (arg->storageClass & STCref) | |
| 5092 buf->writestring((global.params.Dversion == 1) | |
| 5093 ? (char *)"inout " : (char *)"ref "); | |
| 5094 else if (arg->storageClass & STClazy) | |
| 5095 buf->writestring("lazy "); | |
| 5096 argbuf.reset(); | |
| 5097 arg->type->toCBuffer2(&argbuf, arg->ident, hgs); | |
| 5098 if (arg->defaultArg) | |
| 5099 { | |
| 5100 argbuf.writestring(" = "); | |
| 5101 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5102 } | |
| 5103 buf->write(&argbuf); | |
| 5104 } | |
| 5105 if (varargs) | |
| 5106 { | |
| 5107 if (i && varargs == 1) | |
| 5108 buf->writeByte(','); | |
| 5109 buf->writestring("..."); | |
| 5110 } | |
| 5111 } | |
| 5112 buf->writeByte(')'); | |
| 5113 } | |
| 5114 | |
| 5115 | |
| 5116 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5117 { | |
| 5118 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5119 | |
| 5120 // Write argument types | |
| 5121 if (arguments) | |
| 5122 { | |
| 5123 size_t dim = Argument::dim(arguments); | |
| 5124 for (size_t i = 0; i < dim; i++) | |
| 5125 { | |
| 5126 Argument *arg = Argument::getNth(arguments, i); | |
| 5127 arg->toDecoBuffer(buf); | |
| 5128 } | |
| 5129 } | |
| 5130 } | |
| 5131 | |
| 5132 /**************************************************** | |
| 5133 * Determine if parameter is a lazy array of delegates. | |
| 5134 * If so, return the return type of those delegates. | |
| 5135 * If not, return NULL. | |
| 5136 */ | |
| 5137 | |
| 5138 Type *Argument::isLazyArray() | |
| 5139 { | |
| 5140 // if (inout == Lazy) | |
| 5141 { | |
| 5142 Type *tb = type->toBasetype(); | |
| 5143 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5144 { | |
| 5145 Type *tel = tb->next->toBasetype(); | |
| 5146 if (tel->ty == Tdelegate) | |
| 5147 { | |
| 5148 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5149 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5150 | |
| 5151 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5152 { | |
| 5153 return tf->next; // return type of delegate | |
| 5154 } | |
| 5155 } | |
| 5156 } | |
| 5157 } | |
| 5158 return NULL; | |
| 5159 } | |
| 5160 | |
| 5161 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5162 { | |
| 5163 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5164 { case 0: | |
| 5165 case STCin: | |
| 5166 break; | |
| 5167 case STCout: | |
| 5168 buf->writeByte('J'); | |
| 5169 break; | |
| 5170 case STCref: | |
| 5171 buf->writeByte('K'); | |
| 5172 break; | |
| 5173 case STClazy: | |
| 5174 buf->writeByte('L'); | |
| 5175 break; | |
| 5176 default: | |
| 5177 #ifdef DEBUG | |
| 5178 halt(); | |
| 5179 #endif | |
| 5180 assert(0); | |
| 5181 } | |
| 5182 type->toDecoBuffer(buf); | |
| 5183 } | |
| 5184 | |
| 5185 /*************************************** | |
| 5186 * Determine number of arguments, folding in tuples. | |
| 5187 */ | |
| 5188 | |
| 5189 size_t Argument::dim(Arguments *args) | |
| 5190 { | |
| 5191 size_t n = 0; | |
| 5192 if (args) | |
| 5193 { | |
| 5194 for (size_t i = 0; i < args->dim; i++) | |
| 5195 { Argument *arg = (Argument *)args->data[i]; | |
| 5196 Type *t = arg->type->toBasetype(); | |
| 5197 | |
| 5198 if (t->ty == Ttuple) | |
| 5199 { TypeTuple *tu = (TypeTuple *)t; | |
| 5200 n += dim(tu->arguments); | |
| 5201 } | |
| 5202 else | |
| 5203 n++; | |
| 5204 } | |
| 5205 } | |
| 5206 return n; | |
| 5207 } | |
| 5208 | |
| 5209 /*************************************** | |
| 5210 * Get nth Argument, folding in tuples. | |
| 5211 * Returns: | |
| 5212 * Argument* nth Argument | |
| 5213 * NULL not found, *pn gets incremented by the number | |
| 5214 * of Arguments | |
| 5215 */ | |
| 5216 | |
| 5217 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5218 { | |
| 5219 if (!args) | |
| 5220 return NULL; | |
| 5221 | |
| 5222 size_t n = 0; | |
| 5223 for (size_t i = 0; i < args->dim; i++) | |
| 5224 { Argument *arg = (Argument *)args->data[i]; | |
| 5225 Type *t = arg->type->toBasetype(); | |
| 5226 | |
| 5227 if (t->ty == Ttuple) | |
| 5228 { TypeTuple *tu = (TypeTuple *)t; | |
| 5229 arg = getNth(tu->arguments, nth - n, &n); | |
| 5230 if (arg) | |
| 5231 return arg; | |
| 5232 } | |
| 5233 else if (n == nth) | |
| 5234 return arg; | |
| 5235 else | |
| 5236 n++; | |
| 5237 } | |
| 5238 | |
| 5239 if (pn) | |
| 5240 *pn += n; | |
| 5241 return NULL; | |
| 5242 } |