Mercurial > projects > ldc
annotate dmd/mtype.c @ 103:855adfdb8d38 trunk
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
| author | lindquist |
|---|---|
| date | Sun, 18 Nov 2007 08:25:07 +0100 |
| parents | 027b8d8b71ec |
| children | 288fe1029e1f |
| 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 | |
| 92 | 492 Expression *Type::defaultInit(Loc loc) |
| 1 | 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"); |
| 92 | 559 e = defaultInit(loc); |
| 1 | 560 } |
| 561 else if (ident == Id::mangleof) | |
| 562 { | |
| 563 assert(deco); | |
| 564 e = new StringExp(loc, deco, strlen(deco), 'c'); | |
| 565 Scope sc; | |
| 566 e = e->semantic(&sc); | |
| 567 } | |
| 568 else if (ident == Id::stringof) | |
| 569 { char *s = toChars(); | |
| 570 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 571 Scope sc; | |
| 572 e = e->semantic(&sc); | |
| 573 } | |
| 574 else | |
| 575 { | |
| 576 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars()); | |
| 577 e = new IntegerExp(loc, 1, Type::tint32); | |
| 578 } | |
| 579 return e; | |
| 580 } | |
| 581 | |
| 582 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 583 { VarDeclaration *v = NULL; | |
| 584 | |
| 585 #if LOGDOTEXP | |
| 586 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 587 #endif | |
| 588 if (e->op == TOKdotvar) | |
| 589 { | |
| 590 DotVarExp *dv = (DotVarExp *)e; | |
| 591 v = dv->var->isVarDeclaration(); | |
| 592 } | |
| 593 else if (e->op == TOKvar) | |
| 594 { | |
| 595 VarExp *ve = (VarExp *)e; | |
| 596 v = ve->var->isVarDeclaration(); | |
| 597 } | |
| 598 if (v) | |
| 599 { | |
| 600 if (ident == Id::offset) | |
| 601 { | |
| 602 if (!global.params.useDeprecated) | |
| 603 error(e->loc, ".offset deprecated, use .offsetof"); | |
| 604 goto Loffset; | |
| 605 } | |
| 606 else if (ident == Id::offsetof) | |
| 607 { | |
| 608 Loffset: | |
| 609 if (v->storage_class & STCfield) | |
| 610 { | |
| 611 e = new IntegerExp(e->loc, v->offset, Type::tsize_t); | |
| 612 return e; | |
| 613 } | |
| 614 } | |
| 615 else if (ident == Id::init) | |
| 616 { | |
| 617 #if 0 | |
| 618 if (v->init) | |
| 619 { | |
| 620 if (v->init->isVoidInitializer()) | |
| 621 error(e->loc, "%s.init is void", v->toChars()); | |
| 622 else | |
| 623 { Loc loc = e->loc; | |
| 624 e = v->init->toExpression(); | |
| 625 if (e->op == TOKassign || e->op == TOKconstruct) | |
| 626 { | |
| 627 e = ((AssignExp *)e)->e2; | |
| 628 | |
| 629 /* Take care of case where we used a 0 | |
| 630 * to initialize the struct. | |
| 631 */ | |
| 632 if (e->type == Type::tint32 && | |
| 633 e->isBool(0) && | |
| 634 v->type->toBasetype()->ty == Tstruct) | |
| 635 { | |
| 92 | 636 e = v->type->defaultInit(loc); |
| 1 | 637 } |
| 638 } | |
| 639 e = e->optimize(WANTvalue | WANTinterpret); | |
| 640 // if (!e->isConst()) | |
| 641 // error(loc, ".init cannot be evaluated at compile time"); | |
| 642 } | |
| 643 return e; | |
| 644 } | |
| 645 #endif | |
| 92 | 646 Expression *ex = defaultInit(e->loc); |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
647 return ex; |
| 1 | 648 } |
| 649 } | |
| 650 if (ident == Id::typeinfo) | |
| 651 { | |
| 652 if (!global.params.useDeprecated) | |
| 653 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 654 e = getTypeInfo(sc); | |
| 655 return e; | |
| 656 } | |
| 657 if (ident == Id::stringof) | |
| 658 { char *s = e->toChars(); | |
| 659 e = new StringExp(e->loc, s, strlen(s), 'c'); | |
| 660 Scope sc; | |
| 661 e = e->semantic(&sc); | |
| 662 return e; | |
| 663 } | |
| 664 return getProperty(e->loc, ident); | |
| 665 } | |
| 666 | |
| 667 unsigned Type::memalign(unsigned salign) | |
| 668 { | |
| 669 return salign; | |
| 670 } | |
| 671 | |
| 672 void Type::error(Loc loc, const char *format, ...) | |
| 673 { | |
| 674 va_list ap; | |
| 675 va_start(ap, format); | |
| 676 ::verror(loc, format, ap); | |
| 677 va_end( ap ); | |
| 678 } | |
| 679 | |
| 680 Identifier *Type::getTypeInfoIdent(int internal) | |
| 681 { | |
| 682 // _init_10TypeInfo_%s | |
| 683 OutBuffer buf; | |
| 684 Identifier *id; | |
| 685 char *name; | |
| 686 int len; | |
| 687 | |
| 688 //toTypeInfoBuffer(&buf); | |
| 689 if (internal) | |
| 690 { buf.writeByte(mangleChar[ty]); | |
| 691 if (ty == Tarray) | |
| 692 buf.writeByte(mangleChar[next->ty]); | |
| 693 } | |
| 694 else | |
| 695 toDecoBuffer(&buf); | |
| 696 len = buf.offset; | |
| 697 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1); | |
| 698 buf.writeByte(0); | |
| 699 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data); | |
| 700 if (global.params.isWindows) | |
| 701 name++; // C mangling will add it back in | |
| 702 //printf("name = %s\n", name); | |
| 703 id = Lexer::idPool(name); | |
| 704 return id; | |
| 705 } | |
| 706 | |
| 707 TypeBasic *Type::isTypeBasic() | |
| 708 { | |
| 709 return NULL; | |
| 710 } | |
| 711 | |
| 712 | |
| 713 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 714 { | |
| 715 Type *t; | |
| 716 | |
| 717 t = semantic(loc, sc); | |
| 718 *pt = t; | |
| 719 *pe = NULL; | |
| 720 *ps = NULL; | |
| 721 } | |
| 722 | |
| 723 /******************************* | |
| 724 * If one of the subtypes of this type is a TypeIdentifier, | |
| 725 * i.e. it's an unresolved type, return that type. | |
| 726 */ | |
| 727 | |
| 728 Type *Type::reliesOnTident() | |
| 729 { | |
| 730 if (!next) | |
| 731 return NULL; | |
| 732 else | |
| 733 return next->reliesOnTident(); | |
| 734 } | |
| 735 | |
| 736 /******************************** | |
| 737 * We've mistakenly parsed this as a type. | |
| 738 * Redo it as an Expression. | |
| 739 * NULL if cannot. | |
| 740 */ | |
| 741 | |
| 742 Expression *Type::toExpression() | |
| 743 { | |
| 744 return NULL; | |
| 745 } | |
| 746 | |
| 747 /*************************************** | |
| 748 * Return !=0 if type has pointers that need to | |
| 749 * be scanned by the GC during a collection cycle. | |
| 750 */ | |
| 751 | |
| 752 int Type::hasPointers() | |
| 753 { | |
| 754 return FALSE; | |
| 755 } | |
| 756 | |
| 757 /* ============================= TypeBasic =========================== */ | |
| 758 | |
| 759 TypeBasic::TypeBasic(TY ty) | |
| 760 : Type(ty, NULL) | |
| 761 { char *c; | |
| 762 char *d; | |
| 763 unsigned flags; | |
| 764 | |
| 765 #define TFLAGSintegral 1 | |
| 766 #define TFLAGSfloating 2 | |
| 767 #define TFLAGSunsigned 4 | |
| 768 #define TFLAGSreal 8 | |
| 769 #define TFLAGSimaginary 0x10 | |
| 770 #define TFLAGScomplex 0x20 | |
| 771 | |
| 772 flags = 0; | |
| 773 switch (ty) | |
| 774 { | |
| 775 case Tvoid: d = Token::toChars(TOKvoid); | |
| 776 c = "void"; | |
| 777 break; | |
| 778 | |
| 779 case Tint8: d = Token::toChars(TOKint8); | |
| 780 c = "byte"; | |
| 781 flags |= TFLAGSintegral; | |
| 782 break; | |
| 783 | |
| 784 case Tuns8: d = Token::toChars(TOKuns8); | |
| 785 c = "ubyte"; | |
| 786 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 787 break; | |
| 788 | |
| 789 case Tint16: d = Token::toChars(TOKint16); | |
| 790 c = "short"; | |
| 791 flags |= TFLAGSintegral; | |
| 792 break; | |
| 793 | |
| 794 case Tuns16: d = Token::toChars(TOKuns16); | |
| 795 c = "ushort"; | |
| 796 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 797 break; | |
| 798 | |
| 799 case Tint32: d = Token::toChars(TOKint32); | |
| 800 c = "int"; | |
| 801 flags |= TFLAGSintegral; | |
| 802 break; | |
| 803 | |
| 804 case Tuns32: d = Token::toChars(TOKuns32); | |
| 805 c = "uint"; | |
| 806 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 807 break; | |
| 808 | |
| 809 case Tfloat32: d = Token::toChars(TOKfloat32); | |
| 810 c = "float"; | |
| 811 flags |= TFLAGSfloating | TFLAGSreal; | |
| 812 break; | |
| 813 | |
| 814 case Tint64: d = Token::toChars(TOKint64); | |
| 815 c = "long"; | |
| 816 flags |= TFLAGSintegral; | |
| 817 break; | |
| 818 | |
| 819 case Tuns64: d = Token::toChars(TOKuns64); | |
| 820 c = "ulong"; | |
| 821 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 822 break; | |
| 823 | |
| 824 case Tfloat64: d = Token::toChars(TOKfloat64); | |
| 825 c = "double"; | |
| 826 flags |= TFLAGSfloating | TFLAGSreal; | |
| 827 break; | |
| 828 | |
| 829 case Tfloat80: d = Token::toChars(TOKfloat80); | |
| 830 c = "real"; | |
| 831 flags |= TFLAGSfloating | TFLAGSreal; | |
| 832 break; | |
| 833 | |
| 834 case Timaginary32: d = Token::toChars(TOKimaginary32); | |
| 835 c = "ifloat"; | |
| 836 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 837 break; | |
| 838 | |
| 839 case Timaginary64: d = Token::toChars(TOKimaginary64); | |
| 840 c = "idouble"; | |
| 841 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 842 break; | |
| 843 | |
| 844 case Timaginary80: d = Token::toChars(TOKimaginary80); | |
| 845 c = "ireal"; | |
| 846 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 847 break; | |
| 848 | |
| 849 case Tcomplex32: d = Token::toChars(TOKcomplex32); | |
| 850 c = "cfloat"; | |
| 851 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 852 break; | |
| 853 | |
| 854 case Tcomplex64: d = Token::toChars(TOKcomplex64); | |
| 855 c = "cdouble"; | |
| 856 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 857 break; | |
| 858 | |
| 859 case Tcomplex80: d = Token::toChars(TOKcomplex80); | |
| 860 c = "creal"; | |
| 861 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 862 break; | |
| 863 | |
| 864 | |
| 865 case Tbit: d = Token::toChars(TOKbit); | |
| 866 c = "bit"; | |
| 867 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 868 break; | |
| 869 | |
| 870 case Tbool: d = "bool"; | |
| 871 c = d; | |
| 872 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 873 break; | |
| 874 | |
| 875 case Tascii: d = Token::toChars(TOKchar); | |
| 876 c = "char"; | |
| 877 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 878 break; | |
| 879 | |
| 880 case Twchar: d = Token::toChars(TOKwchar); | |
| 881 c = "wchar"; | |
| 882 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 883 break; | |
| 884 | |
| 885 case Tdchar: d = Token::toChars(TOKdchar); | |
| 886 c = "dchar"; | |
| 887 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 888 break; | |
| 889 | |
| 890 default: assert(0); | |
| 891 } | |
| 892 this->dstring = d; | |
| 893 this->cstring = c; | |
| 894 this->flags = flags; | |
| 895 merge(); | |
| 896 } | |
| 897 | |
| 898 Type *TypeBasic::syntaxCopy() | |
| 899 { | |
| 900 // No semantic analysis done on basic types, no need to copy | |
| 901 return this; | |
| 902 } | |
| 903 | |
| 904 | |
| 905 char *TypeBasic::toChars() | |
| 906 { | |
| 907 return dstring; | |
| 908 } | |
| 909 | |
| 910 void TypeBasic::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 911 { | |
| 912 buf->prependstring(cstring); | |
| 913 if (ident) | |
| 914 { buf->writeByte(' '); | |
| 915 buf->writestring(ident->toChars()); | |
| 916 } | |
| 917 } | |
| 918 | |
| 919 d_uns64 TypeBasic::size(Loc loc) | |
| 920 { unsigned size; | |
| 921 | |
| 922 //printf("TypeBasic::size()\n"); | |
| 923 switch (ty) | |
| 924 { | |
| 925 case Tint8: | |
| 926 case Tuns8: size = 1; break; | |
| 927 case Tint16: | |
| 928 case Tuns16: size = 2; break; | |
| 929 case Tint32: | |
| 930 case Tuns32: | |
| 931 case Tfloat32: | |
| 932 case Timaginary32: | |
| 933 size = 4; break; | |
| 934 case Tint64: | |
| 935 case Tuns64: | |
| 936 case Tfloat64: | |
| 937 case Timaginary64: | |
| 938 size = 8; break; | |
| 939 case Tfloat80: | |
| 940 case Timaginary80: | |
| 941 size = REALSIZE; break; | |
| 942 case Tcomplex32: | |
| 943 size = 8; break; | |
| 944 case Tcomplex64: | |
| 945 size = 16; break; | |
| 946 case Tcomplex80: | |
| 947 size = REALSIZE * 2; break; | |
| 948 | |
| 949 case Tvoid: | |
| 950 //size = Type::size(); // error message | |
| 951 size = 1; | |
| 952 break; | |
| 953 | |
| 954 case Tbit: size = 1; break; | |
| 955 case Tbool: size = 1; break; | |
| 956 case Tascii: size = 1; break; | |
| 957 case Twchar: size = 2; break; | |
| 958 case Tdchar: size = 4; break; | |
| 959 | |
| 960 default: | |
| 961 assert(0); | |
| 962 break; | |
| 963 } | |
| 964 //printf("TypeBasic::size() = %d\n", size); | |
| 965 return size; | |
| 966 } | |
| 967 | |
| 968 unsigned TypeBasic::alignsize() | |
| 969 { unsigned sz; | |
| 970 | |
| 971 switch (ty) | |
| 972 { | |
| 973 case Tfloat80: | |
| 974 case Timaginary80: | |
| 975 case Tcomplex80: | |
| 976 sz = REALSIZE; | |
| 977 break; | |
| 978 | |
| 979 default: | |
| 980 sz = size(0); | |
| 981 break; | |
| 982 } | |
| 983 return sz; | |
| 984 } | |
| 985 | |
| 986 | |
| 987 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident) | |
| 988 { | |
| 989 Expression *e; | |
| 990 d_int64 ivalue; | |
| 991 #ifdef IN_GCC | |
| 992 real_t fvalue; | |
| 993 #else | |
| 994 d_float80 fvalue; | |
| 995 #endif | |
| 996 | |
| 997 //printf("TypeBasic::getProperty('%s')\n", ident->toChars()); | |
| 998 if (ident == Id::max) | |
| 999 { | |
| 1000 switch (ty) | |
| 1001 { | |
| 1002 case Tint8: ivalue = 0x7F; goto Livalue; | |
| 1003 case Tuns8: ivalue = 0xFF; goto Livalue; | |
| 1004 case Tint16: ivalue = 0x7FFFUL; goto Livalue; | |
| 1005 case Tuns16: ivalue = 0xFFFFUL; goto Livalue; | |
| 1006 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue; | |
| 1007 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue; | |
| 1008 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue; | |
| 1009 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue; | |
| 1010 case Tbit: ivalue = 1; goto Livalue; | |
| 1011 case Tbool: ivalue = 1; goto Livalue; | |
| 1012 case Tchar: ivalue = 0xFF; goto Livalue; | |
| 1013 case Twchar: ivalue = 0xFFFFUL; goto Livalue; | |
| 1014 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue; | |
| 1015 | |
| 1016 case Tcomplex32: | |
| 1017 case Timaginary32: | |
| 1018 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue; | |
| 1019 case Tcomplex64: | |
| 1020 case Timaginary64: | |
| 1021 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue; | |
| 1022 case Tcomplex80: | |
| 1023 case Timaginary80: | |
| 1024 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue; | |
| 1025 } | |
| 1026 } | |
| 1027 else if (ident == Id::min) | |
| 1028 { | |
| 1029 switch (ty) | |
| 1030 { | |
| 1031 case Tint8: ivalue = -128; goto Livalue; | |
| 1032 case Tuns8: ivalue = 0; goto Livalue; | |
| 1033 case Tint16: ivalue = -32768; goto Livalue; | |
| 1034 case Tuns16: ivalue = 0; goto Livalue; | |
| 1035 case Tint32: ivalue = -2147483647L - 1; goto Livalue; | |
| 1036 case Tuns32: ivalue = 0; goto Livalue; | |
| 1037 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue; | |
| 1038 case Tuns64: ivalue = 0; goto Livalue; | |
| 1039 case Tbit: ivalue = 0; goto Livalue; | |
| 1040 case Tbool: ivalue = 0; goto Livalue; | |
| 1041 case Tchar: ivalue = 0; goto Livalue; | |
| 1042 case Twchar: ivalue = 0; goto Livalue; | |
| 1043 case Tdchar: ivalue = 0; goto Livalue; | |
| 1044 | |
| 1045 case Tcomplex32: | |
| 1046 case Timaginary32: | |
| 1047 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue; | |
| 1048 case Tcomplex64: | |
| 1049 case Timaginary64: | |
| 1050 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue; | |
| 1051 case Tcomplex80: | |
| 1052 case Timaginary80: | |
| 1053 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue; | |
| 1054 } | |
| 1055 } | |
| 1056 else if (ident == Id::nan) | |
| 1057 { | |
| 1058 switch (ty) | |
| 1059 { | |
| 1060 case Tcomplex32: | |
| 1061 case Tcomplex64: | |
| 1062 case Tcomplex80: | |
| 1063 case Timaginary32: | |
| 1064 case Timaginary64: | |
| 1065 case Timaginary80: | |
| 1066 case Tfloat32: | |
| 1067 case Tfloat64: | |
| 1068 case Tfloat80: | |
| 1069 { | |
| 1070 #if IN_GCC | |
| 1071 // mode doesn't matter, will be converted in RealExp anyway | |
| 1072 fvalue = real_t::getnan(real_t::LongDouble); | |
| 1073 #elif __GNUC__ | |
| 1074 // gcc nan's have the sign bit set by default, so turn it off | |
| 1075 // Need the volatile to prevent gcc from doing incorrect | |
| 1076 // constant folding. | |
| 1077 volatile d_float80 foo; | |
| 1078 foo = NAN; | |
| 1079 if (signbit(foo)) // signbit sometimes, not always, set | |
| 1080 foo = -foo; // turn off sign bit | |
| 1081 fvalue = foo; | |
| 1082 #elif _MSC_VER | |
| 1083 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF }; | |
| 1084 fvalue = *(double*)nan; | |
| 1085 #else | |
| 1086 fvalue = NAN; | |
| 1087 #endif | |
| 1088 goto Lfvalue; | |
| 1089 } | |
| 1090 } | |
| 1091 } | |
| 1092 else if (ident == Id::infinity) | |
| 1093 { | |
| 1094 switch (ty) | |
| 1095 { | |
| 1096 case Tcomplex32: | |
| 1097 case Tcomplex64: | |
| 1098 case Tcomplex80: | |
| 1099 case Timaginary32: | |
| 1100 case Timaginary64: | |
| 1101 case Timaginary80: | |
| 1102 case Tfloat32: | |
| 1103 case Tfloat64: | |
| 1104 case Tfloat80: | |
| 1105 #if IN_GCC | |
| 1106 fvalue = real_t::getinfinity(); | |
| 1107 #elif __GNUC__ | |
| 1108 fvalue = 1 / zero; | |
| 1109 #elif _MSC_VER | |
| 1110 fvalue = std::numeric_limits<long double>::infinity(); | |
| 1111 #else | |
| 1112 fvalue = INFINITY; | |
| 1113 #endif | |
| 1114 goto Lfvalue; | |
| 1115 } | |
| 1116 } | |
| 1117 else if (ident == Id::dig) | |
| 1118 { | |
| 1119 switch (ty) | |
| 1120 { | |
| 1121 case Tcomplex32: | |
| 1122 case Timaginary32: | |
| 1123 case Tfloat32: ivalue = FLT_DIG; goto Lint; | |
| 1124 case Tcomplex64: | |
| 1125 case Timaginary64: | |
| 1126 case Tfloat64: ivalue = DBL_DIG; goto Lint; | |
| 1127 case Tcomplex80: | |
| 1128 case Timaginary80: | |
| 1129 case Tfloat80: ivalue = LDBL_DIG; goto Lint; | |
| 1130 } | |
| 1131 } | |
| 1132 else if (ident == Id::epsilon) | |
| 1133 { | |
| 1134 switch (ty) | |
| 1135 { | |
| 1136 case Tcomplex32: | |
| 1137 case Timaginary32: | |
| 1138 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue; | |
| 1139 case Tcomplex64: | |
| 1140 case Timaginary64: | |
| 1141 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue; | |
| 1142 case Tcomplex80: | |
| 1143 case Timaginary80: | |
| 1144 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue; | |
| 1145 } | |
| 1146 } | |
| 1147 else if (ident == Id::mant_dig) | |
| 1148 { | |
| 1149 switch (ty) | |
| 1150 { | |
| 1151 case Tcomplex32: | |
| 1152 case Timaginary32: | |
| 1153 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint; | |
| 1154 case Tcomplex64: | |
| 1155 case Timaginary64: | |
| 1156 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint; | |
| 1157 case Tcomplex80: | |
| 1158 case Timaginary80: | |
| 1159 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint; | |
| 1160 } | |
| 1161 } | |
| 1162 else if (ident == Id::max_10_exp) | |
| 1163 { | |
| 1164 switch (ty) | |
| 1165 { | |
| 1166 case Tcomplex32: | |
| 1167 case Timaginary32: | |
| 1168 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint; | |
| 1169 case Tcomplex64: | |
| 1170 case Timaginary64: | |
| 1171 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint; | |
| 1172 case Tcomplex80: | |
| 1173 case Timaginary80: | |
| 1174 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint; | |
| 1175 } | |
| 1176 } | |
| 1177 else if (ident == Id::max_exp) | |
| 1178 { | |
| 1179 switch (ty) | |
| 1180 { | |
| 1181 case Tcomplex32: | |
| 1182 case Timaginary32: | |
| 1183 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint; | |
| 1184 case Tcomplex64: | |
| 1185 case Timaginary64: | |
| 1186 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint; | |
| 1187 case Tcomplex80: | |
| 1188 case Timaginary80: | |
| 1189 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint; | |
| 1190 } | |
| 1191 } | |
| 1192 else if (ident == Id::min_10_exp) | |
| 1193 { | |
| 1194 switch (ty) | |
| 1195 { | |
| 1196 case Tcomplex32: | |
| 1197 case Timaginary32: | |
| 1198 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint; | |
| 1199 case Tcomplex64: | |
| 1200 case Timaginary64: | |
| 1201 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint; | |
| 1202 case Tcomplex80: | |
| 1203 case Timaginary80: | |
| 1204 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint; | |
| 1205 } | |
| 1206 } | |
| 1207 else if (ident == Id::min_exp) | |
| 1208 { | |
| 1209 switch (ty) | |
| 1210 { | |
| 1211 case Tcomplex32: | |
| 1212 case Timaginary32: | |
| 1213 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint; | |
| 1214 case Tcomplex64: | |
| 1215 case Timaginary64: | |
| 1216 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint; | |
| 1217 case Tcomplex80: | |
| 1218 case Timaginary80: | |
| 1219 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint; | |
| 1220 } | |
| 1221 } | |
| 1222 | |
| 1223 Ldefault: | |
| 1224 return Type::getProperty(loc, ident); | |
| 1225 | |
| 1226 Livalue: | |
| 1227 e = new IntegerExp(loc, ivalue, this); | |
| 1228 return e; | |
| 1229 | |
| 1230 Lfvalue: | |
| 1231 if (isreal() || isimaginary()) | |
| 1232 e = new RealExp(loc, fvalue, this); | |
| 1233 else | |
| 1234 { | |
| 1235 complex_t cvalue; | |
| 1236 | |
| 1237 #if __DMC__ | |
| 1238 //((real_t *)&cvalue)[0] = fvalue; | |
| 1239 //((real_t *)&cvalue)[1] = fvalue; | |
| 1240 cvalue = fvalue + fvalue * I; | |
| 1241 #else | |
| 1242 cvalue.re = fvalue; | |
| 1243 cvalue.im = fvalue; | |
| 1244 #endif | |
| 1245 //for (int i = 0; i < 20; i++) | |
| 1246 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 1247 //printf("\n"); | |
| 1248 e = new ComplexExp(loc, cvalue, this); | |
| 1249 } | |
| 1250 return e; | |
| 1251 | |
| 1252 Lint: | |
| 1253 e = new IntegerExp(loc, ivalue, Type::tint32); | |
| 1254 return e; | |
| 1255 } | |
| 1256 | |
| 1257 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1258 { | |
| 1259 #if LOGDOTEXP | |
| 1260 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1261 #endif | |
| 1262 Type *t; | |
| 1263 | |
| 1264 if (ident == Id::re) | |
| 1265 { | |
| 1266 switch (ty) | |
| 1267 { | |
| 1268 case Tcomplex32: t = tfloat32; goto L1; | |
| 1269 case Tcomplex64: t = tfloat64; goto L1; | |
| 1270 case Tcomplex80: t = tfloat80; goto L1; | |
| 1271 L1: | |
| 1272 e = e->castTo(sc, t); | |
| 1273 break; | |
| 1274 | |
| 1275 case Tfloat32: | |
| 1276 case Tfloat64: | |
| 1277 case Tfloat80: | |
| 1278 break; | |
| 1279 | |
| 1280 case Timaginary32: t = tfloat32; goto L2; | |
| 1281 case Timaginary64: t = tfloat64; goto L2; | |
| 1282 case Timaginary80: t = tfloat80; goto L2; | |
| 1283 L2: | |
| 1284 e = new RealExp(0, 0.0, t); | |
| 1285 break; | |
| 1286 | |
| 1287 default: | |
| 1288 return Type::getProperty(e->loc, ident); | |
| 1289 } | |
| 1290 } | |
| 1291 else if (ident == Id::im) | |
| 1292 { Type *t2; | |
| 1293 | |
| 1294 switch (ty) | |
| 1295 { | |
| 1296 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 1297 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 1298 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 1299 L3: | |
| 1300 e = e->castTo(sc, t); | |
| 1301 e->type = t2; | |
| 1302 break; | |
| 1303 | |
| 1304 case Timaginary32: t = tfloat32; goto L4; | |
| 1305 case Timaginary64: t = tfloat64; goto L4; | |
| 1306 case Timaginary80: t = tfloat80; goto L4; | |
| 1307 L4: | |
| 1308 e->type = t; | |
| 1309 break; | |
| 1310 | |
| 1311 case Tfloat32: | |
| 1312 case Tfloat64: | |
| 1313 case Tfloat80: | |
| 1314 e = new RealExp(0, 0.0, this); | |
| 1315 break; | |
| 1316 | |
| 1317 default: | |
| 1318 return Type::getProperty(e->loc, ident); | |
| 1319 } | |
| 1320 } | |
| 1321 else | |
| 1322 { | |
| 1323 return Type::dotExp(sc, e, ident); | |
| 1324 } | |
| 1325 return e; | |
| 1326 } | |
| 1327 | |
| 92 | 1328 Expression *TypeBasic::defaultInit(Loc loc) |
| 1 | 1329 { integer_t value = 0; |
| 1330 | |
| 1331 #if LOGDEFAULTINIT | |
| 1332 printf("TypeBasic::defaultInit() '%s'\n", toChars()); | |
| 1333 #endif | |
| 1334 switch (ty) | |
| 1335 { | |
| 1336 case Tchar: | |
| 1337 value = 0xFF; | |
| 1338 break; | |
| 1339 | |
| 1340 case Twchar: | |
| 1341 case Tdchar: | |
| 1342 value = 0xFFFF; | |
| 1343 break; | |
| 1344 | |
| 1345 case Timaginary32: | |
| 1346 case Timaginary64: | |
| 1347 case Timaginary80: | |
| 1348 case Tfloat32: | |
| 1349 case Tfloat64: | |
| 1350 case Tfloat80: | |
| 1351 case Tcomplex32: | |
| 1352 case Tcomplex64: | |
| 1353 case Tcomplex80: | |
| 92 | 1354 return getProperty(loc, Id::nan); |
| 1355 } | |
| 1356 return new IntegerExp(loc, value, this); | |
| 1 | 1357 } |
| 1358 | |
| 1359 int TypeBasic::isZeroInit() | |
| 1360 { | |
| 1361 switch (ty) | |
| 1362 { | |
| 1363 case Tchar: | |
| 1364 case Twchar: | |
| 1365 case Tdchar: | |
| 1366 case Timaginary32: | |
| 1367 case Timaginary64: | |
| 1368 case Timaginary80: | |
| 1369 case Tfloat32: | |
| 1370 case Tfloat64: | |
| 1371 case Tfloat80: | |
| 1372 case Tcomplex32: | |
| 1373 case Tcomplex64: | |
| 1374 case Tcomplex80: | |
| 1375 return 0; // no | |
| 1376 } | |
| 1377 return 1; // yes | |
| 1378 } | |
| 1379 | |
| 1380 int TypeBasic::isbit() | |
| 1381 { | |
| 1382 return (ty == Tbit); | |
| 1383 } | |
| 1384 | |
| 1385 int TypeBasic::isintegral() | |
| 1386 { | |
| 1387 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags); | |
| 1388 return flags & TFLAGSintegral; | |
| 1389 } | |
| 1390 | |
| 1391 int TypeBasic::isfloating() | |
| 1392 { | |
| 1393 return flags & TFLAGSfloating; | |
| 1394 } | |
| 1395 | |
| 1396 int TypeBasic::isreal() | |
| 1397 { | |
| 1398 return flags & TFLAGSreal; | |
| 1399 } | |
| 1400 | |
| 1401 int TypeBasic::isimaginary() | |
| 1402 { | |
| 1403 return flags & TFLAGSimaginary; | |
| 1404 } | |
| 1405 | |
| 1406 int TypeBasic::iscomplex() | |
| 1407 { | |
| 1408 return flags & TFLAGScomplex; | |
| 1409 } | |
| 1410 | |
| 1411 int TypeBasic::isunsigned() | |
| 1412 { | |
| 1413 return flags & TFLAGSunsigned; | |
| 1414 } | |
| 1415 | |
| 1416 int TypeBasic::isscalar() | |
| 1417 { | |
| 1418 return flags & (TFLAGSintegral | TFLAGSfloating); | |
| 1419 } | |
| 1420 | |
| 1421 MATCH TypeBasic::implicitConvTo(Type *to) | |
| 1422 { | |
| 1423 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars()); | |
| 1424 if (this == to) | |
| 1425 return MATCHexact; | |
| 1426 | |
| 1427 if (ty == Tvoid || to->ty == Tvoid) | |
| 1428 return MATCHnomatch; | |
| 1429 if (1 || global.params.Dversion == 1) | |
| 1430 { | |
| 1431 if (to->ty == Tbool) | |
| 1432 return MATCHnomatch; | |
| 1433 } | |
| 1434 else | |
| 1435 { | |
| 1436 if (ty == Tbool || to->ty == Tbool) | |
| 1437 return MATCHnomatch; | |
| 1438 } | |
| 1439 if (!to->isTypeBasic()) | |
| 1440 return MATCHnomatch; | |
| 1441 | |
| 1442 TypeBasic *tob = (TypeBasic *)to; | |
| 1443 if (flags & TFLAGSintegral) | |
| 1444 { | |
| 1445 // Disallow implicit conversion of integers to imaginary or complex | |
| 1446 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex)) | |
| 1447 return MATCHnomatch; | |
| 1448 | |
| 1449 // If converting to integral | |
| 1450 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral) | |
| 1451 { d_uns64 sz = size(0); | |
| 1452 d_uns64 tosz = tob->size(0); | |
| 1453 | |
| 1454 /* Can't convert to smaller size or, if same size, change sign | |
| 1455 */ | |
| 1456 if (sz > tosz) | |
| 1457 return MATCHnomatch; | |
| 1458 | |
| 1459 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned) | |
| 1460 return MATCHnomatch;*/ | |
| 1461 } | |
| 1462 } | |
| 1463 else if (flags & TFLAGSfloating) | |
| 1464 { | |
| 1465 // Disallow implicit conversion of floating point to integer | |
| 1466 if (tob->flags & TFLAGSintegral) | |
| 1467 return MATCHnomatch; | |
| 1468 | |
| 1469 assert(tob->flags & TFLAGSfloating); | |
| 1470 | |
| 1471 // Disallow implicit conversion from complex to non-complex | |
| 1472 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex)) | |
| 1473 return MATCHnomatch; | |
| 1474 | |
| 1475 // Disallow implicit conversion of real or imaginary to complex | |
| 1476 if (flags & (TFLAGSreal | TFLAGSimaginary) && | |
| 1477 tob->flags & TFLAGScomplex) | |
| 1478 return MATCHnomatch; | |
| 1479 | |
| 1480 // Disallow implicit conversion to-from real and imaginary | |
| 1481 if ((flags & (TFLAGSreal | TFLAGSimaginary)) != | |
| 1482 (tob->flags & (TFLAGSreal | TFLAGSimaginary))) | |
| 1483 return MATCHnomatch; | |
| 1484 } | |
| 1485 return MATCHconvert; | |
| 1486 } | |
| 1487 | |
| 1488 TypeBasic *TypeBasic::isTypeBasic() | |
| 1489 { | |
| 1490 return (TypeBasic *)this; | |
| 1491 } | |
| 1492 | |
| 1493 /***************************** TypeArray *****************************/ | |
| 1494 | |
| 1495 TypeArray::TypeArray(TY ty, Type *next) | |
| 1496 : Type(ty, next) | |
| 1497 { | |
| 1498 } | |
| 1499 | |
| 1500 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1501 { | |
| 1502 Type *n = this->next->toBasetype(); // uncover any typedef's | |
| 1503 | |
| 1504 #if LOGDOTEXP | |
| 1505 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1506 #endif | |
| 1507 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar)) | |
| 1508 { | |
| 1509 Expression *ec; | |
| 1510 FuncDeclaration *fd; | |
| 1511 Expressions *arguments; | |
| 1512 char *nm; | |
| 1513 static char *name[2] = { "_adReverseChar", "_adReverseWchar" }; | |
| 1514 | |
| 1515 nm = name[n->ty == Twchar]; | |
| 1516 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
|
94
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[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
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diff
changeset
|
1517 fd->llvmRunTimeHack = true; |
| 1 | 1518 ec = new VarExp(0, fd); |
| 1519 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1520 arguments = new Expressions(); | |
| 1521 arguments->push(e); | |
| 1522 e = new CallExp(e->loc, ec, arguments); | |
| 1523 e->type = next->arrayOf(); | |
| 1524 } | |
| 1525 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar)) | |
| 1526 { | |
| 1527 Expression *ec; | |
| 1528 FuncDeclaration *fd; | |
| 1529 Expressions *arguments; | |
| 1530 char *nm; | |
| 1531 static char *name[2] = { "_adSortChar", "_adSortWchar" }; | |
| 1532 | |
| 1533 nm = name[n->ty == Twchar]; | |
| 1534 fd = FuncDeclaration::genCfunc(Type::tindex, nm); | |
|
94
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
92
diff
changeset
|
1535 fd->llvmRunTimeHack = true; |
| 1 | 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")); | |
|
94
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
92
diff
changeset
|
1573 fd->llvmRunTimeHack = true; |
| 1 | 1574 ec = new VarExp(0, fd); |
| 1575 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1576 arguments = new Expressions(); | |
| 1577 arguments->push(e); | |
| 1578 if (next->ty != Tbit) | |
| 1579 arguments->push(n->ty == Tsarray | |
| 1580 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1581 : n->getInternalTypeInfo(sc)); | |
| 1582 e = new CallExp(e->loc, ec, arguments); | |
| 1583 e->type = next->arrayOf(); | |
| 1584 } | |
| 1585 else | |
| 1586 { | |
| 1587 e = Type::dotExp(sc, e, ident); | |
| 1588 } | |
| 1589 return e; | |
| 1590 } | |
| 1591 | |
| 1592 void TypeArray::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 1593 { | |
| 1594 #if 1 | |
| 1595 OutBuffer buf2; | |
| 1596 toPrettyBracket(&buf2, hgs); | |
| 1597 buf->prependstring(buf2.toChars()); | |
| 1598 if (ident) | |
| 1599 { | |
| 1600 buf->writeByte(' '); | |
| 1601 buf->writestring(ident->toChars()); | |
| 1602 } | |
| 1603 next->toCBuffer2(buf, NULL, hgs); | |
| 1604 #elif 1 | |
| 1605 // The D way | |
| 1606 Type *t; | |
| 1607 OutBuffer buf2; | |
| 1608 for (t = this; 1; t = t->next) | |
| 1609 { TypeArray *ta; | |
| 1610 | |
| 1611 ta = dynamic_cast<TypeArray *>(t); | |
| 1612 if (!ta) | |
| 1613 break; | |
| 1614 ta->toPrettyBracket(&buf2, hgs); | |
| 1615 } | |
| 1616 buf->prependstring(buf2.toChars()); | |
| 1617 if (ident) | |
| 1618 { | |
| 1619 buf2.writestring(ident->toChars()); | |
| 1620 } | |
| 1621 t->toCBuffer2(buf, NULL, hgs); | |
| 1622 #else | |
| 1623 // The C way | |
| 1624 if (buf->offset) | |
| 1625 { buf->bracket('(', ')'); | |
| 1626 assert(!ident); | |
| 1627 } | |
| 1628 else if (ident) | |
| 1629 buf->writestring(ident->toChars()); | |
| 1630 Type *t = this; | |
| 1631 do | |
| 1632 { Expression *dim; | |
| 1633 buf->writeByte('['); | |
| 1634 dim = ((TypeSArray *)t)->dim; | |
| 1635 if (dim) | |
| 1636 buf->printf("%lld", dim->toInteger()); | |
| 1637 buf->writeByte(']'); | |
| 1638 t = t->next; | |
| 1639 } while (t->ty == Tsarray); | |
| 1640 t->toCBuffer2(buf, NULL, hgs); | |
| 1641 #endif | |
| 1642 } | |
| 1643 | |
| 1644 | |
| 1645 /***************************** TypeSArray *****************************/ | |
| 1646 | |
| 1647 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1648 : TypeArray(Tsarray, t) | |
| 1649 { | |
| 1650 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1651 this->dim = dim; | |
| 1652 } | |
| 1653 | |
| 1654 Type *TypeSArray::syntaxCopy() | |
| 1655 { | |
| 1656 Type *t = next->syntaxCopy(); | |
| 1657 Expression *e = dim->syntaxCopy(); | |
| 1658 t = new TypeSArray(t, e); | |
| 1659 return t; | |
| 1660 } | |
| 1661 | |
| 1662 d_uns64 TypeSArray::size(Loc loc) | |
| 1663 { integer_t sz; | |
| 1664 | |
| 1665 if (!dim) | |
| 1666 return Type::size(loc); | |
| 1667 sz = dim->toInteger(); | |
| 1668 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1669 { | |
| 1670 if (sz + 31 < sz) | |
| 1671 goto Loverflow; | |
| 1672 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1673 } | |
| 1674 else | |
| 1675 { integer_t n, n2; | |
| 1676 | |
| 1677 n = next->size(); | |
| 1678 n2 = n * sz; | |
| 1679 if (n && (n2 / n) != sz) | |
| 1680 goto Loverflow; | |
| 1681 sz = n2; | |
| 1682 } | |
| 1683 return sz; | |
| 1684 | |
| 1685 Loverflow: | |
| 1686 error(loc, "index %jd overflow for static array", sz); | |
| 1687 return 1; | |
| 1688 } | |
| 1689 | |
| 1690 unsigned TypeSArray::alignsize() | |
| 1691 { | |
| 1692 return next->alignsize(); | |
| 1693 } | |
| 1694 | |
| 1695 /************************** | |
| 1696 * This evaluates exp while setting length to be the number | |
| 1697 * of elements in the tuple t. | |
| 1698 */ | |
| 1699 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1700 { | |
| 1701 if (t->ty == Ttuple) | |
| 1702 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1703 sym->parent = sc->scopesym; | |
| 1704 sc = sc->push(sym); | |
| 1705 | |
| 1706 exp = exp->semantic(sc); | |
| 1707 | |
| 1708 sc->pop(); | |
| 1709 } | |
| 1710 else | |
| 1711 exp = exp->semantic(sc); | |
| 1712 return exp; | |
| 1713 } | |
| 1714 | |
| 1715 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1716 { | |
| 1717 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1718 sym->parent = sc->scopesym; | |
| 1719 sc = sc->push(sym); | |
| 1720 | |
| 1721 exp = exp->semantic(sc); | |
| 1722 | |
| 1723 sc->pop(); | |
| 1724 return exp; | |
| 1725 } | |
| 1726 | |
| 1727 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1728 { | |
| 1729 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1730 next->resolve(loc, sc, pe, pt, ps); | |
| 1731 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1732 if (*pe) | |
| 1733 { // It's really an index expression | |
| 1734 Expression *e; | |
| 1735 e = new IndexExp(loc, *pe, dim); | |
| 1736 *pe = e; | |
| 1737 } | |
| 1738 else if (*ps) | |
| 1739 { Dsymbol *s = *ps; | |
| 1740 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1741 if (td) | |
| 1742 { | |
| 1743 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1744 sym->parent = sc->scopesym; | |
| 1745 sc = sc->push(sym); | |
| 1746 | |
| 1747 dim = dim->semantic(sc); | |
| 1748 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1749 uinteger_t d = dim->toUInteger(); | |
| 1750 | |
| 1751 sc = sc->pop(); | |
| 1752 | |
| 1753 if (d >= td->objects->dim) | |
| 1754 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1755 goto Ldefault; | |
| 1756 } | |
| 1757 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1758 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1759 { | |
| 1760 *ps = (Dsymbol *)o; | |
| 1761 return; | |
| 1762 } | |
| 1763 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1764 { | |
| 1765 *ps = NULL; | |
| 1766 *pe = (Expression *)o; | |
| 1767 return; | |
| 1768 } | |
| 1769 | |
| 1770 /* Create a new TupleDeclaration which | |
| 1771 * is a slice [d..d+1] out of the old one. | |
| 1772 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1773 * can handle unresolved Objects this way. | |
| 1774 */ | |
| 1775 Objects *objects = new Objects; | |
| 1776 objects->setDim(1); | |
| 1777 objects->data[0] = o; | |
| 1778 | |
| 1779 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1780 *ps = tds; | |
| 1781 } | |
| 1782 else | |
| 1783 goto Ldefault; | |
| 1784 } | |
| 1785 else | |
| 1786 { | |
| 1787 Ldefault: | |
| 1788 Type::resolve(loc, sc, pe, pt, ps); | |
| 1789 } | |
| 1790 } | |
| 1791 | |
| 1792 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1793 { | |
| 1794 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1795 | |
| 1796 Type *t; | |
| 1797 Expression *e; | |
| 1798 Dsymbol *s; | |
| 1799 next->resolve(loc, sc, &e, &t, &s); | |
| 1800 if (dim && s && s->isTupleDeclaration()) | |
| 1801 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1802 | |
| 1803 dim = semanticLength(sc, sd, dim); | |
| 1804 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1805 uinteger_t d = dim->toUInteger(); | |
| 1806 | |
| 1807 if (d >= sd->objects->dim) | |
| 1808 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1809 return Type::terror; | |
| 1810 } | |
| 1811 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1812 if (o->dyncast() != DYNCAST_TYPE) | |
| 1813 { error(loc, "%s is not a type", toChars()); | |
| 1814 return Type::terror; | |
| 1815 } | |
| 1816 t = (Type *)o; | |
| 1817 return t; | |
| 1818 } | |
| 1819 | |
| 1820 next = next->semantic(loc,sc); | |
| 1821 Type *tbn = next->toBasetype(); | |
| 1822 | |
| 1823 if (dim) | |
| 1824 { integer_t n, n2; | |
| 1825 | |
| 1826 dim = semanticLength(sc, tbn, dim); | |
| 1827 | |
| 1828 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 92 | 1829 if (sc->parameterSpecialization && dim->op == TOKvar && |
| 1830 ((VarExp *)dim)->var->storage_class & STCtemplateparameter) | |
| 1831 { | |
| 1832 /* It could be a template parameter N which has no value yet: | |
| 1833 * template Foo(T : T[N], size_t N); | |
| 1834 */ | |
| 1835 return this; | |
| 1836 } | |
| 1 | 1837 integer_t d1 = dim->toInteger(); |
| 1838 dim = dim->castTo(sc, tsize_t); | |
| 1839 dim = dim->optimize(WANTvalue); | |
| 1840 integer_t d2 = dim->toInteger(); | |
| 1841 | |
| 1842 if (d1 != d2) | |
| 1843 goto Loverflow; | |
| 1844 | |
| 1845 if (tbn->isintegral() || | |
| 1846 tbn->isfloating() || | |
| 1847 tbn->ty == Tpointer || | |
| 1848 tbn->ty == Tarray || | |
| 1849 tbn->ty == Tsarray || | |
| 1850 tbn->ty == Taarray || | |
| 1851 tbn->ty == Tclass) | |
| 1852 { | |
| 1853 /* Only do this for types that don't need to have semantic() | |
| 1854 * run on them for the size, since they may be forward referenced. | |
| 1855 */ | |
| 1856 n = tbn->size(loc); | |
| 1857 n2 = n * d2; | |
| 1858 if ((int)n2 < 0) | |
| 1859 goto Loverflow; | |
| 1860 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1861 goto Loverflow; | |
| 1862 if (n && n2 / n != d2) | |
| 1863 { | |
| 1864 Loverflow: | |
| 1865 error(loc, "index %jd overflow for static array", d1); | |
| 1866 dim = new IntegerExp(0, 1, tsize_t); | |
| 1867 } | |
| 1868 } | |
| 1869 } | |
| 1870 switch (tbn->ty) | |
| 1871 { | |
| 1872 case Ttuple: | |
| 1873 { // Index the tuple to get the type | |
| 1874 assert(dim); | |
| 1875 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1876 uinteger_t d = dim->toUInteger(); | |
| 1877 | |
| 1878 if (d >= tt->arguments->dim) | |
| 1879 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1880 return Type::terror; | |
| 1881 } | |
| 1882 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1883 return arg->type; | |
| 1884 } | |
| 1885 case Tfunction: | |
| 1886 case Tnone: | |
| 1887 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1888 tbn = next = tint32; | |
| 1889 break; | |
| 1890 } | |
| 1891 if (tbn->isauto()) | |
| 1892 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1893 return merge(); | |
| 1894 } | |
| 1895 | |
| 1896 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1897 { | |
| 1898 buf->writeByte(mangleChar[ty]); | |
| 1899 if (dim) | |
| 1900 buf->printf("%ju", dim->toInteger()); | |
| 1901 if (next) | |
| 1902 next->toDecoBuffer(buf); | |
| 1903 } | |
| 1904 | |
| 1905 void TypeSArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 1906 { | |
| 1907 buf->writeByte(mangleChar[Tarray]); | |
| 1908 if (next) | |
| 1909 next->toTypeInfoBuffer(buf); | |
| 1910 } | |
| 1911 | |
| 1912 void TypeSArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 1913 { | |
| 1914 buf->printf("[%s]", dim->toChars()); | |
| 1915 } | |
| 1916 | |
| 1917 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1918 { | |
| 1919 #if LOGDOTEXP | |
| 1920 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1921 #endif | |
| 1922 if (ident == Id::length) | |
| 1923 { | |
| 1924 e = dim; | |
| 1925 } | |
| 1926 else if (ident == Id::ptr) | |
| 1927 { | |
| 1928 e = e->castTo(sc, next->pointerTo()); | |
| 1929 } | |
| 1930 else | |
| 1931 { | |
| 1932 e = TypeArray::dotExp(sc, e, ident); | |
| 1933 } | |
| 1934 return e; | |
| 1935 } | |
| 1936 | |
| 1937 int TypeSArray::isString() | |
| 1938 { | |
| 1939 TY nty = next->toBasetype()->ty; | |
| 1940 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1941 } | |
| 1942 | |
| 1943 unsigned TypeSArray::memalign(unsigned salign) | |
| 1944 { | |
| 1945 return next->memalign(salign); | |
| 1946 } | |
| 1947 | |
| 1948 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1949 { | |
| 1950 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1951 | |
| 1952 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1953 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1954 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1955 /*|| to->next->isBaseOf(next)*/)) | |
| 1956 { | |
| 1957 return MATCHconvert; | |
| 1958 } | |
| 1959 if (to->ty == Tarray) | |
| 1960 { int offset = 0; | |
| 1961 | |
| 1962 if (next->equals(to->next) || | |
| 1963 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1964 to->next->ty == Tvoid) | |
| 1965 return MATCHconvert; | |
| 1966 } | |
| 1967 #if 0 | |
| 1968 if (to->ty == Tsarray) | |
| 1969 { | |
| 1970 TypeSArray *tsa = (TypeSArray *)to; | |
| 1971 | |
| 1972 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1973 { | |
| 1974 return MATCHconvert; | |
| 1975 } | |
| 1976 } | |
| 1977 #endif | |
| 1978 return Type::implicitConvTo(to); | |
| 1979 } | |
| 1980 | |
| 92 | 1981 Expression *TypeSArray::defaultInit(Loc loc) |
| 1 | 1982 { |
| 1983 #if LOGDEFAULTINIT | |
| 1984 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1985 #endif | |
| 92 | 1986 return next->defaultInit(loc); |
| 1 | 1987 } |
| 1988 | |
| 1989 int TypeSArray::isZeroInit() | |
| 1990 { | |
| 1991 return next->isZeroInit(); | |
| 1992 } | |
| 1993 | |
| 1994 | |
| 1995 Expression *TypeSArray::toExpression() | |
| 1996 { | |
| 1997 Expression *e = next->toExpression(); | |
| 1998 if (e) | |
| 1999 { Expressions *arguments = new Expressions(); | |
| 2000 arguments->push(dim); | |
| 2001 e = new ArrayExp(dim->loc, e, arguments); | |
| 2002 } | |
| 2003 return e; | |
| 2004 } | |
| 2005 | |
| 2006 int TypeSArray::hasPointers() | |
| 2007 { | |
| 2008 return next->hasPointers(); | |
| 2009 } | |
| 2010 | |
| 2011 /***************************** TypeDArray *****************************/ | |
| 2012 | |
| 2013 TypeDArray::TypeDArray(Type *t) | |
| 2014 : TypeArray(Tarray, t) | |
| 2015 { | |
| 2016 //printf("TypeDArray(t = %p)\n", t); | |
| 2017 } | |
| 2018 | |
| 2019 Type *TypeDArray::syntaxCopy() | |
| 2020 { | |
| 2021 Type *t = next->syntaxCopy(); | |
| 2022 if (t == next) | |
| 2023 t = this; | |
| 2024 else | |
| 2025 t = new TypeDArray(t); | |
| 2026 return t; | |
| 2027 } | |
| 2028 | |
| 2029 d_uns64 TypeDArray::size(Loc loc) | |
| 2030 { | |
| 2031 //printf("TypeDArray::size()\n"); | |
| 2032 return PTRSIZE * 2; | |
| 2033 } | |
| 2034 | |
| 2035 unsigned TypeDArray::alignsize() | |
| 2036 { | |
| 2037 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 2038 // boundary | |
| 2039 return PTRSIZE; | |
| 2040 } | |
| 2041 | |
| 2042 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2043 { Type *tn = next; | |
| 2044 | |
| 2045 tn = next->semantic(loc,sc); | |
| 2046 Type *tbn = tn->toBasetype(); | |
| 2047 switch (tbn->ty) | |
| 2048 { | |
| 2049 case Tfunction: | |
| 2050 case Tnone: | |
| 2051 case Ttuple: | |
| 2052 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2053 tn = next = tint32; | |
| 2054 break; | |
| 2055 } | |
| 2056 if (tn->isauto()) | |
| 2057 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2058 if (next != tn) | |
| 2059 //deco = NULL; // redo | |
| 2060 return tn->arrayOf(); | |
| 2061 return merge(); | |
| 2062 } | |
| 2063 | |
| 2064 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2065 { | |
| 2066 buf->writeByte(mangleChar[ty]); | |
| 2067 if (next) | |
| 2068 next->toDecoBuffer(buf); | |
| 2069 } | |
| 2070 | |
| 2071 void TypeDArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 2072 { | |
| 2073 buf->writeByte(mangleChar[ty]); | |
| 2074 if (next) | |
| 2075 next->toTypeInfoBuffer(buf); | |
| 2076 } | |
| 2077 | |
| 2078 void TypeDArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2079 { | |
| 2080 buf->writestring("[]"); | |
| 2081 } | |
| 2082 | |
| 2083 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2084 { | |
| 2085 #if LOGDOTEXP | |
| 2086 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2087 #endif | |
| 2088 if (ident == Id::length) | |
| 2089 { | |
| 2090 if (e->op == TOKstring) | |
| 2091 { StringExp *se = (StringExp *)e; | |
| 2092 | |
| 2093 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2094 } | |
| 2095 e = new ArrayLengthExp(e->loc, e); | |
| 2096 e->type = Type::tsize_t; | |
| 2097 return e; | |
| 2098 } | |
| 2099 else if (ident == Id::ptr) | |
| 2100 { | |
| 2101 e = e->castTo(sc, next->pointerTo()); | |
| 2102 return e; | |
| 2103 } | |
| 2104 else | |
| 2105 { | |
| 2106 e = TypeArray::dotExp(sc, e, ident); | |
| 2107 } | |
| 2108 return e; | |
| 2109 } | |
| 2110 | |
| 2111 int TypeDArray::isString() | |
| 2112 { | |
| 2113 TY nty = next->toBasetype()->ty; | |
| 2114 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2115 } | |
| 2116 | |
| 2117 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2118 { | |
| 2119 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2120 | |
| 2121 // Allow implicit conversion of array to pointer | |
| 2122 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2123 to->ty == Tpointer && | |
| 2124 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2125 { | |
| 2126 return MATCHconvert; | |
| 2127 } | |
| 2128 | |
| 2129 if (to->ty == Tarray) | |
| 2130 { int offset = 0; | |
| 2131 | |
| 2132 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2133 to->next->ty == Tvoid) | |
| 2134 return MATCHconvert; | |
| 2135 } | |
| 2136 return Type::implicitConvTo(to); | |
| 2137 } | |
| 2138 | |
| 92 | 2139 Expression *TypeDArray::defaultInit(Loc loc) |
| 1 | 2140 { |
| 2141 #if LOGDEFAULTINIT | |
| 2142 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2143 #endif | |
| 2144 Expression *e; | |
| 92 | 2145 e = new NullExp(loc); |
| 1 | 2146 e->type = this; |
| 2147 return e; | |
| 2148 } | |
| 2149 | |
| 2150 int TypeDArray::isZeroInit() | |
| 2151 { | |
| 2152 return 1; | |
| 2153 } | |
| 2154 | |
| 2155 int TypeDArray::checkBoolean() | |
| 2156 { | |
| 2157 return TRUE; | |
| 2158 } | |
| 2159 | |
| 2160 int TypeDArray::hasPointers() | |
| 2161 { | |
| 2162 return TRUE; | |
| 2163 } | |
| 2164 | |
| 2165 /***************************** TypeAArray *****************************/ | |
| 2166 | |
| 2167 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2168 : TypeArray(Taarray, t) | |
| 2169 { | |
| 2170 this->index = index; | |
| 2171 this->key = NULL; | |
| 2172 } | |
| 2173 | |
| 2174 Type *TypeAArray::syntaxCopy() | |
| 2175 { | |
| 2176 Type *t = next->syntaxCopy(); | |
| 2177 Type *ti = index->syntaxCopy(); | |
| 2178 if (t == next && ti == index) | |
| 2179 t = this; | |
| 2180 else | |
| 2181 t = new TypeAArray(t, ti); | |
| 2182 return t; | |
| 2183 } | |
| 2184 | |
| 2185 d_uns64 TypeAArray::size(Loc loc) | |
| 2186 { | |
| 2187 return PTRSIZE /* * 2*/; | |
| 2188 } | |
| 2189 | |
| 2190 | |
| 2191 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2192 { | |
| 2193 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2194 | |
| 2195 // Deal with the case where we thought the index was a type, but | |
| 2196 // in reality it was an expression. | |
| 2197 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2198 { | |
| 2199 Expression *e; | |
| 2200 Type *t; | |
| 2201 Dsymbol *s; | |
| 2202 | |
| 2203 index->resolve(loc, sc, &e, &t, &s); | |
| 2204 if (e) | |
| 2205 { // It was an expression - | |
| 2206 // Rewrite as a static array | |
| 2207 TypeSArray *tsa; | |
| 2208 | |
| 2209 tsa = new TypeSArray(next, e); | |
| 2210 return tsa->semantic(loc,sc); | |
| 2211 } | |
| 2212 else if (t) | |
| 2213 index = t; | |
| 2214 else | |
| 2215 index->error(loc, "index is not a type or an expression"); | |
| 2216 } | |
| 2217 else | |
| 2218 index = index->semantic(loc,sc); | |
| 2219 | |
| 2220 // Compute key type; the purpose of the key type is to | |
| 2221 // minimize the permutations of runtime library | |
| 2222 // routines as much as possible. | |
| 2223 key = index->toBasetype(); | |
| 2224 switch (key->ty) | |
| 2225 { | |
| 2226 #if 0 | |
| 2227 case Tint8: | |
| 2228 case Tuns8: | |
| 2229 case Tint16: | |
| 2230 case Tuns16: | |
| 2231 key = tint32; | |
| 2232 break; | |
| 2233 #endif | |
| 2234 | |
| 2235 case Tsarray: | |
| 2236 #if 0 | |
| 2237 // Convert to Tarray | |
| 2238 key = key->next->arrayOf(); | |
| 2239 #endif | |
| 2240 break; | |
| 2241 case Tbit: | |
| 2242 case Tbool: | |
| 2243 case Tfunction: | |
| 2244 case Tvoid: | |
| 2245 case Tnone: | |
| 2246 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2247 break; | |
| 2248 } | |
| 2249 next = next->semantic(loc,sc); | |
| 2250 switch (next->toBasetype()->ty) | |
| 2251 { | |
| 2252 case Tfunction: | |
| 2253 case Tnone: | |
| 2254 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2255 break; | |
| 2256 } | |
| 2257 if (next->isauto()) | |
| 2258 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2259 | |
| 2260 return merge(); | |
| 2261 } | |
| 2262 | |
| 2263 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2264 { | |
| 2265 #if LOGDOTEXP | |
| 2266 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2267 #endif | |
| 2268 if (ident == Id::length) | |
| 2269 { | |
| 2270 Expression *ec; | |
| 2271 FuncDeclaration *fd; | |
| 2272 Expressions *arguments; | |
| 2273 | |
| 2274 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 2275 ec = new VarExp(0, fd); | |
| 2276 arguments = new Expressions(); | |
| 2277 arguments->push(e); | |
| 2278 e = new CallExp(e->loc, ec, arguments); | |
| 2279 e->type = fd->type->next; | |
| 2280 } | |
| 2281 else if (ident == Id::keys) | |
| 2282 { | |
| 2283 Expression *ec; | |
| 2284 FuncDeclaration *fd; | |
| 2285 Expressions *arguments; | |
| 2286 int size = key->size(e->loc); | |
| 2287 | |
| 2288 assert(size); | |
| 2289 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaKeys); | |
| 2290 ec = new VarExp(0, fd); | |
| 2291 arguments = new Expressions(); | |
| 2292 arguments->push(e); | |
| 2293 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2294 e = new CallExp(e->loc, ec, arguments); | |
| 2295 e->type = index->arrayOf(); | |
| 2296 } | |
| 2297 else if (ident == Id::values) | |
| 2298 { | |
| 2299 Expression *ec; | |
| 2300 FuncDeclaration *fd; | |
| 2301 Expressions *arguments; | |
| 2302 | |
| 2303 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaValues); | |
| 2304 ec = new VarExp(0, fd); | |
| 2305 arguments = new Expressions(); | |
| 2306 arguments->push(e); | |
| 2307 size_t keysize = key->size(e->loc); | |
| 2308 keysize = (keysize + 3) & ~3; // BUG: 64 bit pointers? | |
| 2309 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); | |
| 2310 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2311 e = new CallExp(e->loc, ec, arguments); | |
| 2312 e->type = next->arrayOf(); | |
| 2313 } | |
| 2314 else if (ident == Id::rehash) | |
| 2315 { | |
| 2316 Expression *ec; | |
| 2317 FuncDeclaration *fd; | |
| 2318 Expressions *arguments; | |
| 2319 | |
| 2320 fd = FuncDeclaration::genCfunc(Type::tint64, Id::aaRehash); | |
| 2321 ec = new VarExp(0, fd); | |
| 2322 arguments = new Expressions(); | |
| 2323 arguments->push(e->addressOf(sc)); | |
| 2324 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2325 e = new CallExp(e->loc, ec, arguments); | |
| 2326 e->type = this; | |
| 2327 } | |
| 2328 else | |
| 2329 { | |
| 2330 e = Type::dotExp(sc, e, ident); | |
| 2331 } | |
| 2332 return e; | |
| 2333 } | |
| 2334 | |
| 2335 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2336 { | |
| 2337 buf->writeByte(mangleChar[ty]); | |
| 2338 index->toDecoBuffer(buf); | |
| 2339 next->toDecoBuffer(buf); | |
| 2340 } | |
| 2341 | |
| 2342 void TypeAArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2343 { | |
| 2344 buf->writeByte('['); | |
| 2345 { OutBuffer ibuf; | |
| 2346 | |
| 2347 index->toCBuffer2(&ibuf, NULL, hgs); | |
| 2348 buf->write(&ibuf); | |
| 2349 } | |
| 2350 buf->writeByte(']'); | |
| 2351 } | |
| 2352 | |
| 92 | 2353 Expression *TypeAArray::defaultInit(Loc loc) |
| 1 | 2354 { |
| 2355 #if LOGDEFAULTINIT | |
| 2356 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2357 #endif | |
| 2358 Expression *e; | |
| 92 | 2359 e = new NullExp(loc); |
| 1 | 2360 e->type = this; |
| 2361 return e; | |
| 2362 } | |
| 2363 | |
| 2364 int TypeAArray::checkBoolean() | |
| 2365 { | |
| 2366 return TRUE; | |
| 2367 } | |
| 2368 | |
| 2369 int TypeAArray::hasPointers() | |
| 2370 { | |
| 2371 return TRUE; | |
| 2372 } | |
| 2373 | |
| 2374 /***************************** TypePointer *****************************/ | |
| 2375 | |
| 2376 TypePointer::TypePointer(Type *t) | |
| 2377 : Type(Tpointer, t) | |
| 2378 { | |
| 2379 } | |
| 2380 | |
| 2381 Type *TypePointer::syntaxCopy() | |
| 2382 { | |
| 2383 Type *t = next->syntaxCopy(); | |
| 2384 if (t == next) | |
| 2385 t = this; | |
| 2386 else | |
| 2387 t = new TypePointer(t); | |
| 2388 return t; | |
| 2389 } | |
| 2390 | |
| 2391 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2392 { | |
| 2393 //printf("TypePointer::semantic()\n"); | |
| 2394 Type *n = next->semantic(loc, sc); | |
| 2395 switch (n->toBasetype()->ty) | |
| 2396 { | |
| 2397 case Ttuple: | |
| 2398 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2399 n = tint32; | |
| 2400 break; | |
| 2401 } | |
| 2402 if (n != next) | |
| 2403 deco = NULL; | |
| 2404 next = n; | |
| 2405 return merge(); | |
| 2406 } | |
| 2407 | |
| 2408 | |
| 2409 d_uns64 TypePointer::size(Loc loc) | |
| 2410 { | |
| 2411 return PTRSIZE; | |
| 2412 } | |
| 2413 | |
| 2414 void TypePointer::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2415 { | |
| 2416 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2417 buf->prependstring("*"); | |
| 2418 if (ident) | |
| 2419 { | |
| 2420 buf->writeByte(' '); | |
| 2421 buf->writestring(ident->toChars()); | |
| 2422 } | |
| 2423 next->toCBuffer2(buf, NULL, hgs); | |
| 2424 } | |
| 2425 | |
| 2426 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2427 { | |
| 2428 //printf("TypePointer::implicitConvTo()\n"); | |
| 2429 | |
| 2430 if (this == to) | |
| 2431 return MATCHexact; | |
| 2432 if (to->ty == Tpointer && to->next) | |
| 2433 { | |
| 2434 if (to->next->ty == Tvoid) | |
| 2435 return MATCHconvert; | |
| 2436 | |
| 2437 #if 0 | |
| 2438 if (to->next->isBaseOf(next)) | |
| 2439 return MATCHconvert; | |
| 2440 #endif | |
| 2441 | |
| 2442 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2443 { TypeFunction *tf; | |
| 2444 TypeFunction *tfto; | |
| 2445 | |
| 2446 tf = (TypeFunction *)(next); | |
| 2447 tfto = (TypeFunction *)(to->next); | |
| 2448 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2449 } | |
| 2450 } | |
| 2451 // if (to->ty == Tvoid) | |
| 2452 // return MATCHconvert; | |
| 2453 return MATCHnomatch; | |
| 2454 } | |
| 2455 | |
| 2456 int TypePointer::isscalar() | |
| 2457 { | |
| 2458 return TRUE; | |
| 2459 } | |
| 2460 | |
| 92 | 2461 Expression *TypePointer::defaultInit(Loc loc) |
| 1 | 2462 { |
| 2463 #if LOGDEFAULTINIT | |
| 2464 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2465 #endif | |
| 2466 Expression *e; | |
| 92 | 2467 e = new NullExp(loc); |
| 1 | 2468 e->type = this; |
| 2469 return e; | |
| 2470 } | |
| 2471 | |
| 2472 int TypePointer::isZeroInit() | |
| 2473 { | |
| 2474 return 1; | |
| 2475 } | |
| 2476 | |
| 2477 int TypePointer::hasPointers() | |
| 2478 { | |
| 2479 return TRUE; | |
| 2480 } | |
| 2481 | |
| 2482 | |
| 2483 /***************************** TypeReference *****************************/ | |
| 2484 | |
| 2485 TypeReference::TypeReference(Type *t) | |
| 2486 : Type(Treference, t) | |
| 2487 { | |
| 2488 if (t->ty == Tbit) | |
| 2489 error(0,"cannot make reference to a bit"); | |
| 2490 // BUG: what about references to static arrays? | |
| 2491 } | |
| 2492 | |
| 2493 Type *TypeReference::syntaxCopy() | |
| 2494 { | |
| 2495 Type *t = next->syntaxCopy(); | |
| 2496 if (t == next) | |
| 2497 t = this; | |
| 2498 else | |
| 2499 t = new TypeReference(t); | |
| 2500 return t; | |
| 2501 } | |
| 2502 | |
| 2503 d_uns64 TypeReference::size(Loc loc) | |
| 2504 { | |
| 2505 return PTRSIZE; | |
| 2506 } | |
| 2507 | |
| 2508 void TypeReference::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2509 { | |
| 2510 buf->prependstring("&"); | |
| 2511 if (ident) | |
| 2512 { | |
| 2513 buf->writestring(ident->toChars()); | |
| 2514 } | |
| 2515 next->toCBuffer2(buf, NULL, hgs); | |
| 2516 } | |
| 2517 | |
| 2518 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2519 { | |
| 2520 #if LOGDOTEXP | |
| 2521 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2522 #endif | |
| 2523 | |
| 2524 // References just forward things along | |
| 2525 return next->dotExp(sc, e, ident); | |
| 2526 } | |
| 2527 | |
| 92 | 2528 Expression *TypeReference::defaultInit(Loc loc) |
| 1 | 2529 { |
| 2530 #if LOGDEFAULTINIT | |
| 2531 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2532 #endif | |
| 2533 Expression *e; | |
| 92 | 2534 e = new NullExp(loc); |
| 1 | 2535 e->type = this; |
| 2536 return e; | |
| 2537 } | |
| 2538 | |
| 2539 int TypeReference::isZeroInit() | |
| 2540 { | |
| 2541 return 1; | |
| 2542 } | |
| 2543 | |
| 2544 | |
| 2545 /***************************** TypeFunction *****************************/ | |
| 2546 | |
| 2547 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2548 : Type(Tfunction, treturn) | |
| 2549 { | |
| 2550 //if (!treturn) *(char*)0=0; | |
| 2551 // assert(treturn); | |
| 2552 this->parameters = parameters; | |
| 2553 this->varargs = varargs; | |
| 2554 this->linkage = linkage; | |
| 2555 this->inuse = 0; | |
| 2556 this->llvmRetInPtr = false; | |
| 9 | 2557 this->llvmUsesThis = false; |
| 1 | 2558 this->llvmRetArg = 0; |
| 2559 this->llvmAllocaPoint = 0; | |
| 2560 } | |
| 2561 | |
| 2562 Type *TypeFunction::syntaxCopy() | |
| 2563 { | |
| 2564 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2565 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
| 2566 Type *t = new TypeFunction(params, treturn, varargs, linkage); | |
| 2567 return t; | |
| 2568 } | |
| 2569 | |
| 2570 /******************************* | |
| 2571 * Returns: | |
| 2572 * 0 types are distinct | |
| 2573 * 1 this is covariant with t | |
| 2574 * 2 arguments match as far as overloading goes, | |
| 2575 * but types are not covariant | |
| 2576 * 3 cannot determine covariance because of forward references | |
| 2577 */ | |
| 2578 | |
| 2579 int Type::covariant(Type *t) | |
| 2580 { | |
| 2581 #if 0 | |
| 2582 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2583 printf("deco = %p, %p\n", deco, t->deco); | |
| 2584 printf("ty = %d\n", next->ty); | |
| 2585 #endif | |
| 2586 | |
| 2587 int inoutmismatch = 0; | |
| 2588 | |
| 2589 if (equals(t)) | |
| 2590 goto Lcovariant; | |
| 2591 if (ty != Tfunction || t->ty != Tfunction) | |
| 2592 goto Ldistinct; | |
| 2593 | |
| 2594 { | |
| 2595 TypeFunction *t1 = (TypeFunction *)this; | |
| 2596 TypeFunction *t2 = (TypeFunction *)t; | |
| 2597 | |
| 2598 if (t1->varargs != t2->varargs) | |
| 2599 goto Ldistinct; | |
| 2600 | |
| 2601 if (t1->parameters && t2->parameters) | |
| 2602 { | |
| 2603 size_t dim = Argument::dim(t1->parameters); | |
| 2604 if (dim != Argument::dim(t2->parameters)) | |
| 2605 goto Ldistinct; | |
| 2606 | |
| 2607 for (size_t i = 0; i < dim; i++) | |
| 2608 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2609 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2610 | |
| 2611 if (!arg1->type->equals(arg2->type)) | |
| 2612 goto Ldistinct; | |
| 2613 if (arg1->storageClass != arg2->storageClass) | |
| 2614 inoutmismatch = 1; | |
| 2615 } | |
| 2616 } | |
| 2617 else if (t1->parameters != t2->parameters) | |
| 2618 goto Ldistinct; | |
| 2619 | |
| 2620 // The argument lists match | |
| 2621 if (inoutmismatch) | |
| 2622 goto Lnotcovariant; | |
| 2623 if (t1->linkage != t2->linkage) | |
| 2624 goto Lnotcovariant; | |
| 2625 | |
| 2626 Type *t1n = t1->next; | |
| 2627 Type *t2n = t2->next; | |
| 2628 | |
| 2629 if (t1n->equals(t2n)) | |
| 2630 goto Lcovariant; | |
| 2631 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2632 goto Lnotcovariant; | |
| 2633 | |
| 2634 // If t1n is forward referenced: | |
| 2635 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2636 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2637 { | |
| 2638 return 3; | |
| 2639 } | |
| 2640 | |
| 2641 if (t1n->implicitConvTo(t2n)) | |
| 2642 goto Lcovariant; | |
| 2643 goto Lnotcovariant; | |
| 2644 } | |
| 2645 | |
| 2646 Lcovariant: | |
| 2647 //printf("\tcovaraint: 1\n"); | |
| 2648 return 1; | |
| 2649 | |
| 2650 Ldistinct: | |
| 2651 //printf("\tcovaraint: 0\n"); | |
| 2652 return 0; | |
| 2653 | |
| 2654 Lnotcovariant: | |
| 2655 //printf("\tcovaraint: 2\n"); | |
| 2656 return 2; | |
| 2657 } | |
| 2658 | |
| 2659 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2660 { unsigned char mc; | |
| 2661 | |
| 2662 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2663 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2664 if (inuse) | |
| 2665 { inuse = 2; // flag error to caller | |
| 2666 return; | |
| 2667 } | |
| 2668 inuse++; | |
| 2669 switch (linkage) | |
| 2670 { | |
| 2671 case LINKd: mc = 'F'; break; | |
| 2672 case LINKc: mc = 'U'; break; | |
| 2673 case LINKwindows: mc = 'W'; break; | |
| 2674 case LINKpascal: mc = 'V'; break; | |
| 2675 case LINKcpp: mc = 'R'; break; | |
| 2676 default: | |
| 2677 assert(0); | |
| 2678 } | |
| 2679 buf->writeByte(mc); | |
| 2680 // Write argument types | |
| 2681 Argument::argsToDecoBuffer(buf, parameters); | |
| 2682 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2683 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2684 next->toDecoBuffer(buf); | |
| 2685 inuse--; | |
| 2686 } | |
| 2687 | |
| 2688 void TypeFunction::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2689 { | |
| 2690 char *p = NULL; | |
| 2691 | |
| 2692 if (inuse) | |
| 2693 { inuse = 2; // flag error to caller | |
| 2694 return; | |
| 2695 } | |
| 2696 inuse++; | |
| 2697 if (hgs->ddoc != 1) | |
| 2698 { | |
| 2699 switch (linkage) | |
| 2700 { | |
| 2701 case LINKd: p = NULL; break; | |
| 2702 case LINKc: p = "C "; break; | |
| 2703 case LINKwindows: p = "Windows "; break; | |
| 2704 case LINKpascal: p = "Pascal "; break; | |
| 2705 case LINKcpp: p = "C++ "; break; | |
| 2706 default: | |
| 2707 assert(0); | |
| 2708 } | |
| 2709 } | |
| 2710 | |
| 2711 if (buf->offset) | |
| 2712 { | |
| 2713 if (!hgs->hdrgen && p) | |
| 2714 buf->prependstring(p); | |
| 2715 buf->bracket('(', ')'); | |
| 2716 assert(!ident); | |
| 2717 } | |
| 2718 else | |
| 2719 { | |
| 2720 if (!hgs->hdrgen && p) | |
| 2721 buf->writestring(p); | |
| 2722 if (ident) | |
| 2723 { buf->writeByte(' '); | |
| 2724 buf->writestring(ident->toHChars2()); | |
| 2725 } | |
| 2726 } | |
| 2727 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2728 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2729 next->toCBuffer2(buf, NULL, hgs); | |
| 2730 inuse--; | |
| 2731 } | |
| 2732 | |
| 2733 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2734 { | |
| 2735 if (deco) // if semantic() already run | |
| 2736 { | |
| 2737 //printf("already done\n"); | |
| 2738 return this; | |
| 2739 } | |
| 2740 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2741 | |
| 2742 linkage = sc->linkage; | |
| 2743 if (!next) | |
| 2744 { | |
| 2745 assert(global.errors); | |
| 2746 next = tvoid; | |
| 2747 } | |
| 2748 next = next->semantic(loc,sc); | |
| 2749 if (next->toBasetype()->ty == Tsarray) | |
| 2750 { error(loc, "functions cannot return static array %s", next->toChars()); | |
| 2751 next = Type::terror; | |
| 2752 } | |
| 2753 if (next->toBasetype()->ty == Tfunction) | |
| 2754 { error(loc, "functions cannot return a function"); | |
| 2755 next = Type::terror; | |
| 2756 } | |
| 2757 if (next->toBasetype()->ty == Ttuple) | |
| 2758 { error(loc, "functions cannot return a tuple"); | |
| 2759 next = Type::terror; | |
| 2760 } | |
| 2761 if (next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2762 error(loc, "functions cannot return auto %s", next->toChars()); | |
| 2763 | |
| 2764 if (parameters) | |
| 2765 { size_t dim = Argument::dim(parameters); | |
| 2766 | |
| 2767 for (size_t i = 0; i < dim; i++) | |
| 2768 { Argument *arg = Argument::getNth(parameters, i); | |
| 2769 Type *t; | |
| 2770 | |
| 2771 inuse++; | |
| 2772 arg->type = arg->type->semantic(loc,sc); | |
| 2773 if (inuse == 1) inuse--; | |
| 2774 t = arg->type->toBasetype(); | |
| 2775 | |
| 2776 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2777 { | |
| 2778 if (t->ty == Tsarray) | |
| 2779 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2780 } | |
| 2781 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2782 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2783 | |
| 2784 if (arg->defaultArg) | |
| 2785 { | |
| 2786 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2787 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2788 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2789 } | |
| 2790 | |
| 2791 /* If arg turns out to be a tuple, the number of parameters may | |
| 2792 * change. | |
| 2793 */ | |
| 2794 if (t->ty == Ttuple) | |
| 2795 { dim = Argument::dim(parameters); | |
| 2796 i--; | |
| 2797 } | |
| 2798 } | |
| 2799 } | |
| 2800 deco = merge()->deco; | |
| 2801 | |
| 2802 if (inuse) | |
| 2803 { error(loc, "recursive type"); | |
| 2804 inuse = 0; | |
| 2805 return terror; | |
| 2806 } | |
| 2807 | |
| 2808 if (varargs == 1 && linkage != LINKd && Argument::dim(parameters) == 0) | |
| 2809 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2810 | |
| 2811 /* Don't return merge(), because arg identifiers and default args | |
| 2812 * can be different | |
| 2813 * even though the types match | |
| 2814 */ | |
| 2815 return this; | |
| 2816 } | |
| 2817 | |
| 2818 /******************************** | |
| 2819 * 'args' are being matched to function 'this' | |
| 2820 * Determine match level. | |
| 2821 * Returns: | |
| 2822 * MATCHxxxx | |
| 2823 */ | |
| 2824 | |
| 2825 int TypeFunction::callMatch(Expressions *args) | |
| 2826 { | |
| 2827 //printf("TypeFunction::callMatch()\n"); | |
| 2828 int match = MATCHexact; // assume exact match | |
| 2829 | |
| 2830 size_t nparams = Argument::dim(parameters); | |
| 2831 size_t nargs = args ? args->dim : 0; | |
| 2832 if (nparams == nargs) | |
| 2833 ; | |
| 2834 else if (nargs > nparams) | |
| 2835 { | |
| 2836 if (varargs == 0) | |
| 2837 goto Nomatch; // too many args; no match | |
| 2838 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2839 } | |
| 2840 | |
| 2841 for (size_t u = 0; u < nparams; u++) | |
| 2842 { int m; | |
| 2843 Expression *arg; | |
| 2844 | |
| 2845 // BUG: what about out and ref? | |
| 2846 | |
| 2847 Argument *p = Argument::getNth(parameters, u); | |
| 2848 assert(p); | |
| 2849 if (u >= nargs) | |
| 2850 { | |
| 2851 if (p->defaultArg) | |
| 2852 continue; | |
| 2853 if (varargs == 2 && u + 1 == nparams) | |
| 2854 goto L1; | |
| 2855 goto Nomatch; // not enough arguments | |
| 2856 } | |
| 2857 arg = (Expression *)args->data[u]; | |
| 2858 assert(arg); | |
| 2859 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2860 m = MATCHconvert; | |
| 2861 else | |
| 2862 m = arg->implicitConvTo(p->type); | |
| 2863 //printf("\tm = %d\n", m); | |
| 2864 if (m == MATCHnomatch) // if no match | |
| 2865 { | |
| 2866 L1: | |
| 2867 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2868 { Type *tb = p->type->toBasetype(); | |
| 2869 TypeSArray *tsa; | |
| 2870 integer_t sz; | |
| 2871 | |
| 2872 switch (tb->ty) | |
| 2873 { | |
| 2874 case Tsarray: | |
| 2875 tsa = (TypeSArray *)tb; | |
| 2876 sz = tsa->dim->toInteger(); | |
| 2877 if (sz != nargs - u) | |
| 2878 goto Nomatch; | |
| 2879 case Tarray: | |
| 2880 for (; u < nargs; u++) | |
| 2881 { | |
| 2882 arg = (Expression *)args->data[u]; | |
| 2883 assert(arg); | |
| 2884 #if 1 | |
| 2885 /* If lazy array of delegates, | |
| 2886 * convert arg(s) to delegate(s) | |
| 2887 */ | |
| 2888 Type *tret = p->isLazyArray(); | |
| 2889 if (tret) | |
| 2890 { | |
| 2891 if (tb->next->equals(arg->type)) | |
| 2892 { m = MATCHexact; | |
| 2893 } | |
| 2894 else | |
| 2895 { | |
| 2896 m = arg->implicitConvTo(tret); | |
| 2897 if (m == MATCHnomatch) | |
| 2898 { | |
| 2899 if (tret->toBasetype()->ty == Tvoid) | |
| 2900 m = MATCHconvert; | |
| 2901 } | |
| 2902 } | |
| 2903 } | |
| 2904 else | |
| 2905 m = arg->implicitConvTo(tb->next); | |
| 2906 #else | |
| 2907 m = arg->implicitConvTo(tb->next); | |
| 2908 #endif | |
| 2909 if (m == 0) | |
| 2910 goto Nomatch; | |
| 2911 if (m < match) | |
| 2912 match = m; | |
| 2913 } | |
| 2914 goto Ldone; | |
| 2915 | |
| 2916 case Tclass: | |
| 2917 // Should see if there's a constructor match? | |
| 2918 // Or just leave it ambiguous? | |
| 2919 goto Ldone; | |
| 2920 | |
| 2921 default: | |
| 2922 goto Nomatch; | |
| 2923 } | |
| 2924 } | |
| 2925 goto Nomatch; | |
| 2926 } | |
| 2927 if (m < match) | |
| 2928 match = m; // pick worst match | |
| 2929 } | |
| 2930 | |
| 2931 Ldone: | |
| 2932 //printf("match = %d\n", match); | |
| 2933 return match; | |
| 2934 | |
| 2935 Nomatch: | |
| 2936 //printf("no match\n"); | |
| 2937 return MATCHnomatch; | |
| 2938 } | |
| 2939 | |
| 2940 Type *TypeFunction::reliesOnTident() | |
| 2941 { | |
| 2942 if (parameters) | |
| 2943 { | |
| 2944 for (size_t i = 0; i < parameters->dim; i++) | |
| 2945 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2946 Type *t = arg->type->reliesOnTident(); | |
| 2947 if (t) | |
| 2948 return t; | |
| 2949 } | |
| 2950 } | |
| 2951 return next->reliesOnTident(); | |
| 2952 } | |
| 2953 | |
| 2954 /***************************** TypeDelegate *****************************/ | |
| 2955 | |
| 2956 TypeDelegate::TypeDelegate(Type *t) | |
| 2957 : Type(Tfunction, t) | |
| 2958 { | |
| 2959 ty = Tdelegate; | |
| 2960 } | |
| 2961 | |
| 2962 Type *TypeDelegate::syntaxCopy() | |
| 2963 { | |
| 2964 Type *t = next->syntaxCopy(); | |
| 2965 if (t == next) | |
| 2966 t = this; | |
| 2967 else | |
| 2968 t = new TypeDelegate(t); | |
| 2969 return t; | |
| 2970 } | |
| 2971 | |
| 2972 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2973 { | |
| 2974 if (deco) // if semantic() already run | |
| 2975 { | |
| 2976 //printf("already done\n"); | |
| 2977 return this; | |
| 2978 } | |
| 2979 next = next->semantic(loc,sc); | |
| 2980 return merge(); | |
| 2981 } | |
| 2982 | |
| 2983 d_uns64 TypeDelegate::size(Loc loc) | |
| 2984 { | |
| 2985 return PTRSIZE * 2; | |
| 2986 } | |
| 2987 | |
| 2988 void TypeDelegate::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2989 { | |
| 2990 #if 1 | |
| 2991 OutBuffer args; | |
| 2992 TypeFunction *tf = (TypeFunction *)next; | |
| 2993 | |
| 2994 Argument::argsToCBuffer(&args, hgs, tf->parameters, tf->varargs); | |
| 2995 buf->prependstring(args.toChars()); | |
| 2996 buf->prependstring(" delegate"); | |
| 2997 if (ident) | |
| 2998 { | |
| 2999 buf->writeByte(' '); | |
| 3000 buf->writestring(ident->toChars()); | |
| 3001 } | |
| 3002 next->next->toCBuffer2(buf, NULL, hgs); | |
| 3003 #else | |
| 3004 next->toCBuffer2(buf, Id::delegate, hgs); | |
| 3005 if (ident) | |
| 3006 { | |
| 3007 buf->writestring(ident->toChars()); | |
| 3008 } | |
| 3009 #endif | |
| 3010 } | |
| 3011 | |
| 92 | 3012 Expression *TypeDelegate::defaultInit(Loc loc) |
| 1 | 3013 { |
| 3014 #if LOGDEFAULTINIT | |
| 3015 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3016 #endif | |
| 3017 Expression *e; | |
| 92 | 3018 e = new NullExp(loc); |
| 1 | 3019 e->type = this; |
| 3020 return e; | |
| 3021 } | |
| 3022 | |
| 3023 int TypeDelegate::isZeroInit() | |
| 3024 { | |
| 3025 return 1; | |
| 3026 } | |
| 3027 | |
| 3028 int TypeDelegate::checkBoolean() | |
| 3029 { | |
| 3030 return TRUE; | |
| 3031 } | |
| 3032 | |
| 3033 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3034 { | |
| 3035 #if LOGDOTEXP | |
| 3036 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3037 #endif | |
| 3038 if (ident == Id::ptr) | |
| 3039 { | |
| 3040 e->type = tvoidptr; | |
| 3041 return e; | |
| 3042 } | |
| 3043 else if (ident == Id::funcptr) | |
| 3044 { | |
| 3045 e = e->addressOf(sc); | |
| 3046 e->type = tvoidptr; | |
| 3047 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3048 e->type = tvoidptr; | |
| 3049 e = new PtrExp(e->loc, e); | |
| 3050 e->type = next->pointerTo(); | |
| 3051 return e; | |
| 3052 } | |
| 3053 else | |
| 3054 { | |
| 3055 e = Type::dotExp(sc, e, ident); | |
| 3056 } | |
| 3057 return e; | |
| 3058 } | |
| 3059 | |
| 3060 int TypeDelegate::hasPointers() | |
| 3061 { | |
| 3062 return TRUE; | |
| 3063 } | |
| 3064 | |
| 3065 | |
| 3066 | |
| 3067 /***************************** TypeQualified *****************************/ | |
| 3068 | |
| 3069 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3070 : Type(ty, NULL) | |
| 3071 { | |
| 3072 this->loc = loc; | |
| 3073 } | |
| 3074 | |
| 3075 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3076 { | |
| 3077 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3078 idents.setDim(t->idents.dim); | |
| 3079 for (int i = 0; i < idents.dim; i++) | |
| 3080 { | |
| 3081 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3082 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3083 { | |
| 3084 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3085 | |
| 3086 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3087 id = (Identifier *)ti; | |
| 3088 } | |
| 3089 idents.data[i] = id; | |
| 3090 } | |
| 3091 } | |
| 3092 | |
| 3093 | |
| 3094 void TypeQualified::addIdent(Identifier *ident) | |
| 3095 { | |
| 3096 idents.push(ident); | |
| 3097 } | |
| 3098 | |
| 3099 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3100 { | |
| 3101 int i; | |
| 3102 | |
| 3103 for (i = 0; i < idents.dim; i++) | |
| 3104 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3105 | |
| 3106 buf->writeByte('.'); | |
| 3107 | |
| 3108 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3109 { | |
| 3110 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3111 ti->toCBuffer(buf, hgs); | |
| 3112 } | |
| 3113 else | |
| 3114 buf->writestring(id->toChars()); | |
| 3115 } | |
| 3116 } | |
| 3117 | |
| 3118 d_uns64 TypeQualified::size(Loc loc) | |
| 3119 { | |
| 3120 error(this->loc, "size of type %s is not known", toChars()); | |
| 3121 return 1; | |
| 3122 } | |
| 3123 | |
| 3124 /************************************* | |
| 3125 * Takes an array of Identifiers and figures out if | |
| 3126 * it represents a Type or an Expression. | |
| 3127 * Output: | |
| 3128 * if expression, *pe is set | |
| 3129 * if type, *pt is set | |
| 3130 */ | |
| 3131 | |
| 3132 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3133 Dsymbol *s, Dsymbol *scopesym, | |
| 3134 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3135 { | |
| 3136 Identifier *id = NULL; | |
| 3137 int i; | |
| 3138 VarDeclaration *v; | |
| 3139 EnumMember *em; | |
| 3140 TupleDeclaration *td; | |
| 3141 Type *t; | |
| 3142 Expression *e; | |
| 3143 | |
| 3144 #if 0 | |
| 3145 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3146 if (scopesym) | |
| 3147 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3148 #endif | |
| 3149 *pe = NULL; | |
| 3150 *pt = NULL; | |
| 3151 *ps = NULL; | |
| 3152 if (s) | |
| 3153 { | |
| 3154 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3155 s = s->toAlias(); | |
| 3156 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3157 for (i = 0; i < idents.dim; i++) | |
| 3158 { Dsymbol *sm; | |
| 3159 | |
| 3160 id = (Identifier *)idents.data[i]; | |
| 3161 sm = s->searchX(loc, sc, id); | |
| 3162 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3163 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3164 if (!sm) | |
| 3165 { | |
| 3166 v = s->isVarDeclaration(); | |
| 3167 if (v && id == Id::length) | |
| 3168 { | |
| 3169 if (v->isConst() && v->getExpInitializer()) | |
| 3170 { e = v->getExpInitializer()->exp; | |
| 3171 } | |
| 3172 else | |
| 3173 e = new VarExp(loc, v); | |
| 3174 t = e->type; | |
| 3175 if (!t) | |
| 3176 goto Lerror; | |
| 3177 goto L3; | |
| 3178 } | |
| 3179 t = s->getType(); | |
| 3180 if (!t && s->isDeclaration()) | |
| 3181 t = s->isDeclaration()->type; | |
| 3182 if (t) | |
| 3183 { | |
| 3184 sm = t->toDsymbol(sc); | |
| 3185 if (sm) | |
| 3186 { sm = sm->search(loc, id, 0); | |
| 3187 if (sm) | |
| 3188 goto L2; | |
| 3189 } | |
| 3190 //e = t->getProperty(loc, id); | |
| 3191 e = new TypeExp(loc, t); | |
| 3192 e = t->dotExp(sc, e, id); | |
| 3193 i++; | |
| 3194 L3: | |
| 3195 for (; i < idents.dim; i++) | |
| 3196 { | |
| 3197 id = (Identifier *)idents.data[i]; | |
| 3198 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3199 e = e->type->dotExp(sc, e, id); | |
| 3200 } | |
| 3201 *pe = e; | |
| 3202 } | |
| 3203 else | |
| 3204 Lerror: | |
| 3205 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3206 return; | |
| 3207 } | |
| 3208 L2: | |
| 3209 s = sm->toAlias(); | |
| 3210 } | |
| 3211 | |
| 3212 v = s->isVarDeclaration(); | |
| 3213 if (v) | |
| 3214 { | |
| 3215 // It's not a type, it's an expression | |
| 3216 if (v->isConst() && v->getExpInitializer()) | |
| 3217 { | |
| 3218 ExpInitializer *ei = v->getExpInitializer(); | |
| 3219 assert(ei); | |
| 3220 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3221 (*pe)->loc = loc; | |
| 3222 } | |
| 3223 else | |
| 3224 { | |
| 3225 #if 0 | |
| 3226 WithScopeSymbol *withsym; | |
| 3227 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3228 { | |
| 3229 // Same as wthis.ident | |
| 3230 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3231 e = new DotIdExp(loc, e, ident); | |
| 3232 //assert(0); // BUG: should handle this | |
| 3233 } | |
| 3234 else | |
| 3235 #endif | |
| 3236 *pe = new VarExp(loc, v); | |
| 3237 } | |
| 3238 return; | |
| 3239 } | |
| 3240 em = s->isEnumMember(); | |
| 3241 if (em) | |
| 3242 { | |
| 3243 // It's not a type, it's an expression | |
| 3244 *pe = em->value->copy(); | |
| 3245 return; | |
| 3246 } | |
| 3247 | |
| 3248 L1: | |
| 3249 t = s->getType(); | |
| 3250 if (!t) | |
| 3251 { | |
| 3252 // If the symbol is an import, try looking inside the import | |
| 3253 Import *si; | |
| 3254 | |
| 3255 si = s->isImport(); | |
| 3256 if (si) | |
| 3257 { | |
| 3258 s = si->search(loc, s->ident, 0); | |
| 3259 if (s && s != si) | |
| 3260 goto L1; | |
| 3261 s = si; | |
| 3262 } | |
| 3263 *ps = s; | |
| 3264 return; | |
| 3265 } | |
| 3266 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3267 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3268 return; | |
| 3269 } | |
| 3270 | |
| 3271 if (t != this) | |
| 3272 { | |
| 3273 if (t->reliesOnTident()) | |
| 3274 { | |
| 3275 Scope *scx; | |
| 3276 | |
| 3277 for (scx = sc; 1; scx = scx->enclosing) | |
| 3278 { | |
| 3279 if (!scx) | |
| 3280 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3281 return; | |
| 3282 } | |
| 3283 if (scx->scopesym == scopesym) | |
| 3284 break; | |
| 3285 } | |
| 3286 t = t->semantic(loc, scx); | |
| 3287 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3288 } | |
| 3289 } | |
| 3290 if (t->ty == Ttuple) | |
| 3291 *pt = t; | |
| 3292 else | |
| 3293 *pt = t->merge(); | |
| 3294 } | |
| 3295 if (!s) | |
| 3296 { | |
| 3297 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3298 } | |
| 3299 } | |
| 3300 | |
| 3301 /***************************** TypeIdentifier *****************************/ | |
| 3302 | |
| 3303 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3304 : TypeQualified(Tident, loc) | |
| 3305 { | |
| 3306 this->ident = ident; | |
| 3307 } | |
| 3308 | |
| 3309 | |
| 3310 Type *TypeIdentifier::syntaxCopy() | |
| 3311 { | |
| 3312 TypeIdentifier *t; | |
| 3313 | |
| 3314 t = new TypeIdentifier(loc, ident); | |
| 3315 t->syntaxCopyHelper(this); | |
| 3316 return t; | |
| 3317 } | |
| 3318 | |
| 3319 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3320 { unsigned len; | |
| 3321 char *name; | |
| 3322 | |
| 3323 name = ident->toChars(); | |
| 3324 len = strlen(name); | |
| 3325 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3326 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3327 } | |
| 3328 | |
| 3329 void TypeIdentifier::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3330 { | |
| 3331 OutBuffer tmp; | |
| 3332 | |
| 3333 tmp.writestring(this->ident->toChars()); | |
| 3334 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3335 buf->prependstring(tmp.toChars()); | |
| 3336 if (ident) | |
| 3337 { buf->writeByte(' '); | |
| 3338 buf->writestring(ident->toChars()); | |
| 3339 } | |
| 3340 } | |
| 3341 | |
| 3342 /************************************* | |
| 3343 * Takes an array of Identifiers and figures out if | |
| 3344 * it represents a Type or an Expression. | |
| 3345 * Output: | |
| 3346 * if expression, *pe is set | |
| 3347 * if type, *pt is set | |
| 3348 */ | |
| 3349 | |
| 3350 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3351 { Dsymbol *s; | |
| 3352 Dsymbol *scopesym; | |
| 3353 | |
| 3354 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3355 s = sc->search(loc, ident, &scopesym); | |
| 3356 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3357 } | |
| 3358 | |
| 3359 /***************************************** | |
| 3360 * See if type resolves to a symbol, if so, | |
| 3361 * return that symbol. | |
| 3362 */ | |
| 3363 | |
| 3364 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3365 { | |
| 3366 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3367 if (!sc) | |
| 3368 return NULL; | |
| 3369 //printf("ident = '%s'\n", ident->toChars()); | |
| 3370 | |
| 3371 Dsymbol *scopesym; | |
| 3372 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3373 if (s) | |
| 3374 { | |
| 3375 for (int i = 0; i < idents.dim; i++) | |
| 3376 { | |
| 3377 Identifier *id = (Identifier *)idents.data[i]; | |
| 3378 s = s->searchX(loc, sc, id); | |
| 3379 if (!s) // failed to find a symbol | |
| 3380 { //printf("\tdidn't find a symbol\n"); | |
| 3381 break; | |
| 3382 } | |
| 3383 } | |
| 3384 } | |
| 3385 return s; | |
| 3386 } | |
| 3387 | |
| 3388 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3389 { | |
| 3390 Type *t; | |
| 3391 Expression *e; | |
| 3392 Dsymbol *s; | |
| 3393 | |
| 3394 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3395 resolve(loc, sc, &e, &t, &s); | |
| 3396 if (t) | |
| 3397 { | |
| 3398 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3399 | |
| 3400 if (t->ty == Ttypedef) | |
| 3401 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3402 | |
| 3403 if (tt->sym->sem == 1) | |
| 3404 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3405 } | |
| 3406 } | |
| 3407 else | |
| 3408 { | |
| 3409 #ifdef DEBUG | |
| 3410 if (!global.gag) | |
| 3411 printf("1: "); | |
| 3412 #endif | |
| 3413 if (s) | |
| 3414 { | |
| 3415 s->error(loc, "is used as a type"); | |
| 3416 } | |
| 3417 else | |
| 3418 error(loc, "%s is used as a type", toChars()); | |
| 3419 t = tvoid; | |
| 3420 } | |
| 3421 //t->print(); | |
| 3422 return t; | |
| 3423 } | |
| 3424 | |
| 3425 Type *TypeIdentifier::reliesOnTident() | |
| 3426 { | |
| 3427 return this; | |
| 3428 } | |
| 3429 | |
| 3430 Expression *TypeIdentifier::toExpression() | |
| 3431 { | |
| 3432 Expression *e = new IdentifierExp(loc, ident); | |
| 3433 for (int i = 0; i < idents.dim; i++) | |
| 3434 { | |
| 3435 Identifier *id = (Identifier *)idents.data[i]; | |
| 3436 e = new DotIdExp(loc, e, id); | |
| 3437 } | |
| 3438 | |
| 3439 return e; | |
| 3440 } | |
| 3441 | |
| 3442 /***************************** TypeInstance *****************************/ | |
| 3443 | |
| 3444 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3445 : TypeQualified(Tinstance, loc) | |
| 3446 { | |
| 3447 this->tempinst = tempinst; | |
| 3448 } | |
| 3449 | |
| 3450 Type *TypeInstance::syntaxCopy() | |
| 3451 { | |
| 3452 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3453 TypeInstance *t; | |
| 3454 | |
| 3455 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3456 t->syntaxCopyHelper(this); | |
| 3457 return t; | |
| 3458 } | |
| 3459 | |
| 3460 | |
| 3461 void TypeInstance::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3462 { | |
| 3463 OutBuffer tmp; | |
| 3464 | |
| 3465 tempinst->toCBuffer(&tmp, hgs); | |
| 3466 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3467 buf->prependstring(tmp.toChars()); | |
| 3468 if (ident) | |
| 3469 { buf->writeByte(' '); | |
| 3470 buf->writestring(ident->toChars()); | |
| 3471 } | |
| 3472 } | |
| 3473 | |
| 3474 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3475 { | |
| 3476 // Note close similarity to TypeIdentifier::resolve() | |
| 3477 | |
| 3478 Dsymbol *s; | |
| 3479 | |
| 3480 *pe = NULL; | |
| 3481 *pt = NULL; | |
| 3482 *ps = NULL; | |
| 3483 | |
| 3484 #if 0 | |
| 3485 if (!idents.dim) | |
| 3486 { | |
| 3487 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3488 return; | |
| 3489 } | |
| 3490 #endif | |
| 3491 //id = (Identifier *)idents.data[0]; | |
| 3492 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3493 s = tempinst; | |
| 3494 if (s) | |
| 3495 s->semantic(sc); | |
| 3496 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3497 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3498 } | |
| 3499 | |
| 3500 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3501 { | |
| 3502 Type *t; | |
| 3503 Expression *e; | |
| 3504 Dsymbol *s; | |
| 3505 | |
| 3506 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3507 | |
| 3508 if (sc->parameterSpecialization) | |
| 3509 { | |
| 3510 unsigned errors = global.errors; | |
| 3511 global.gag++; | |
| 3512 | |
| 3513 resolve(loc, sc, &e, &t, &s); | |
| 3514 | |
| 3515 global.gag--; | |
| 3516 if (errors != global.errors) | |
| 3517 { if (global.gag == 0) | |
| 3518 global.errors = errors; | |
| 3519 return this; | |
| 3520 } | |
| 3521 } | |
| 3522 else | |
| 3523 resolve(loc, sc, &e, &t, &s); | |
| 3524 | |
| 3525 if (!t) | |
| 3526 { | |
| 3527 #ifdef DEBUG | |
| 3528 printf("2: "); | |
| 3529 #endif | |
| 3530 error(loc, "%s is used as a type", toChars()); | |
| 3531 t = tvoid; | |
| 3532 } | |
| 3533 return t; | |
| 3534 } | |
| 3535 | |
| 3536 | |
| 3537 /***************************** TypeTypeof *****************************/ | |
| 3538 | |
| 3539 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3540 : TypeQualified(Ttypeof, loc) | |
| 3541 { | |
| 3542 this->exp = exp; | |
| 3543 } | |
| 3544 | |
| 3545 Type *TypeTypeof::syntaxCopy() | |
| 3546 { | |
| 3547 TypeTypeof *t; | |
| 3548 | |
| 3549 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3550 t->syntaxCopyHelper(this); | |
| 3551 return t; | |
| 3552 } | |
| 3553 | |
| 3554 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3555 { | |
| 3556 Type *t; | |
| 3557 | |
| 3558 t = semantic(0, sc); | |
| 3559 if (t == this) | |
| 3560 return NULL; | |
| 3561 return t->toDsymbol(sc); | |
| 3562 } | |
| 3563 | |
| 3564 void TypeTypeof::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3565 { | |
| 3566 OutBuffer tmp; | |
| 3567 | |
| 3568 tmp.writestring("typeof("); | |
| 3569 exp->toCBuffer(&tmp, hgs); | |
| 3570 tmp.writeByte(')'); | |
| 3571 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3572 buf->prependstring(tmp.toChars()); | |
| 3573 if (ident) | |
| 3574 { buf->writeByte(' '); | |
| 3575 buf->writestring(ident->toChars()); | |
| 3576 } | |
| 3577 } | |
| 3578 | |
| 3579 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3580 { Expression *e; | |
| 3581 Type *t; | |
| 3582 | |
| 3583 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3584 | |
| 3585 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3586 | |
| 3587 #if 0 | |
| 3588 /* Special case for typeof(this) and typeof(super) since both | |
| 3589 * should work even if they are not inside a non-static member function | |
| 3590 */ | |
| 3591 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3592 { | |
| 3593 // Find enclosing struct or class | |
| 3594 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3595 { | |
| 3596 ClassDeclaration *cd; | |
| 3597 StructDeclaration *sd; | |
| 3598 | |
| 3599 if (!s) | |
| 3600 { | |
| 3601 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3602 goto Lerr; | |
| 3603 } | |
| 3604 cd = s->isClassDeclaration(); | |
| 3605 if (cd) | |
| 3606 { | |
| 3607 if (exp->op == TOKsuper) | |
| 3608 { | |
| 3609 cd = cd->baseClass; | |
| 3610 if (!cd) | |
| 3611 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3612 goto Lerr; | |
| 3613 } | |
| 3614 } | |
| 3615 t = cd->type; | |
| 3616 break; | |
| 3617 } | |
| 3618 sd = s->isStructDeclaration(); | |
| 3619 if (sd) | |
| 3620 { | |
| 3621 if (exp->op == TOKsuper) | |
| 3622 { | |
| 3623 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3624 goto Lerr; | |
| 3625 } | |
| 3626 t = sd->type->pointerTo(); | |
| 3627 break; | |
| 3628 } | |
| 3629 } | |
| 3630 } | |
| 3631 else | |
| 3632 #endif | |
| 3633 { | |
| 3634 sc->intypeof++; | |
| 3635 exp = exp->semantic(sc); | |
| 3636 sc->intypeof--; | |
| 3637 t = exp->type; | |
| 3638 if (!t) | |
| 3639 { | |
| 3640 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3641 goto Lerr; | |
| 3642 } | |
| 3643 } | |
| 3644 | |
| 3645 if (idents.dim) | |
| 3646 { | |
| 3647 Dsymbol *s = t->toDsymbol(sc); | |
| 3648 for (size_t i = 0; i < idents.dim; i++) | |
| 3649 { | |
| 3650 if (!s) | |
| 3651 break; | |
| 3652 Identifier *id = (Identifier *)idents.data[i]; | |
| 3653 s = s->searchX(loc, sc, id); | |
| 3654 } | |
| 3655 if (s) | |
| 3656 { | |
| 3657 t = s->getType(); | |
| 3658 if (!t) | |
| 3659 { error(loc, "%s is not a type", s->toChars()); | |
| 3660 goto Lerr; | |
| 3661 } | |
| 3662 } | |
| 3663 else | |
| 3664 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3665 goto Lerr; | |
| 3666 } | |
| 3667 } | |
| 3668 return t; | |
| 3669 | |
| 3670 Lerr: | |
| 3671 return tvoid; | |
| 3672 } | |
| 3673 | |
| 3674 d_uns64 TypeTypeof::size(Loc loc) | |
| 3675 { | |
| 3676 if (exp->type) | |
| 3677 return exp->type->size(loc); | |
| 3678 else | |
| 3679 return TypeQualified::size(loc); | |
| 3680 } | |
| 3681 | |
| 3682 | |
| 3683 | |
| 3684 /***************************** TypeEnum *****************************/ | |
| 3685 | |
| 3686 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3687 : Type(Tenum, NULL) | |
| 3688 { | |
| 3689 this->sym = sym; | |
| 3690 } | |
| 3691 | |
| 3692 char *TypeEnum::toChars() | |
| 3693 { | |
| 3694 return sym->toChars(); | |
| 3695 } | |
| 3696 | |
| 3697 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3698 { | |
| 3699 sym->semantic(sc); | |
| 3700 return merge(); | |
| 3701 } | |
| 3702 | |
| 3703 d_uns64 TypeEnum::size(Loc loc) | |
| 3704 { | |
| 3705 if (!sym->memtype) | |
| 3706 { | |
| 3707 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3708 return 4; | |
| 3709 } | |
| 3710 return sym->memtype->size(loc); | |
| 3711 } | |
| 3712 | |
| 3713 unsigned TypeEnum::alignsize() | |
| 3714 { | |
| 3715 if (!sym->memtype) | |
| 3716 { | |
| 3717 #ifdef DEBUG | |
| 3718 printf("1: "); | |
| 3719 #endif | |
| 3720 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3721 return 4; | |
| 3722 } | |
| 3723 return sym->memtype->alignsize(); | |
| 3724 } | |
| 3725 | |
| 3726 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3727 { | |
| 3728 return sym; | |
| 3729 } | |
| 3730 | |
| 3731 Type *TypeEnum::toBasetype() | |
| 3732 { | |
| 3733 if (!sym->memtype) | |
| 3734 { | |
| 3735 #ifdef DEBUG | |
| 3736 printf("2: "); | |
| 3737 #endif | |
| 3738 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3739 return tint32; | |
| 3740 } | |
| 3741 return sym->memtype->toBasetype(); | |
| 3742 } | |
| 3743 | |
| 3744 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3745 { char *name; | |
| 3746 | |
| 3747 name = sym->mangle(); | |
| 3748 // if (name[0] == '_' && name[1] == 'D') | |
| 3749 // name += 2; | |
| 3750 buf->printf("%c%s", mangleChar[ty], name); | |
| 3751 } | |
| 3752 | |
| 3753 void TypeEnum::toTypeInfoBuffer(OutBuffer *buf) | |
| 3754 { | |
| 3755 toBasetype()->toTypeInfoBuffer(buf); | |
| 3756 } | |
| 3757 | |
| 3758 void TypeEnum::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3759 { | |
| 3760 buf->prependstring(sym->toChars()); | |
| 3761 if (ident) | |
| 3762 { buf->writeByte(' '); | |
| 3763 buf->writestring(ident->toChars()); | |
| 3764 } | |
| 3765 } | |
| 3766 | |
| 3767 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3768 { | |
| 3769 EnumMember *m; | |
| 3770 Dsymbol *s; | |
| 3771 Expression *em; | |
| 3772 | |
| 3773 #if LOGDOTEXP | |
| 3774 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3775 #endif | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3776 if (!sym->symtab) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3777 goto Lfwd; |
| 1 | 3778 s = sym->symtab->lookup(ident); |
| 3779 if (!s) | |
| 3780 { | |
| 3781 return getProperty(e->loc, ident); | |
| 3782 } | |
| 3783 m = s->isEnumMember(); | |
| 3784 em = m->value->copy(); | |
| 3785 em->loc = e->loc; | |
| 3786 return em; | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3787 |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3788 Lfwd: |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3789 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
|
3790 return new IntegerExp(0, 0, this); |
| 1 | 3791 } |
| 3792 | |
| 3793 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3794 { Expression *e; | |
| 3795 | |
| 3796 if (ident == Id::max) | |
| 3797 { | |
| 3798 if (!sym->symtab) | |
| 3799 goto Lfwd; | |
| 3800 e = new IntegerExp(0, sym->maxval, this); | |
| 3801 } | |
| 3802 else if (ident == Id::min) | |
| 3803 { | |
| 3804 if (!sym->symtab) | |
| 3805 goto Lfwd; | |
| 3806 e = new IntegerExp(0, sym->minval, this); | |
| 3807 } | |
| 3808 else if (ident == Id::init) | |
| 3809 { | |
| 3810 if (!sym->symtab) | |
| 3811 goto Lfwd; | |
| 92 | 3812 e = defaultInit(loc); |
| 1 | 3813 } |
| 3814 else | |
| 3815 { | |
| 3816 if (!sym->memtype) | |
| 3817 goto Lfwd; | |
| 3818 e = sym->memtype->getProperty(loc, ident); | |
| 3819 } | |
| 3820 return e; | |
| 3821 | |
| 3822 Lfwd: | |
| 3823 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3824 return new IntegerExp(0, 0, this); | |
| 3825 } | |
| 3826 | |
| 3827 int TypeEnum::isintegral() | |
| 3828 { | |
| 3829 return 1; | |
| 3830 } | |
| 3831 | |
| 3832 int TypeEnum::isfloating() | |
| 3833 { | |
| 3834 return 0; | |
| 3835 } | |
| 3836 | |
| 3837 int TypeEnum::isunsigned() | |
| 3838 { | |
| 3839 return sym->memtype->isunsigned(); | |
| 3840 } | |
| 3841 | |
| 3842 int TypeEnum::isscalar() | |
| 3843 { | |
| 3844 return 1; | |
| 3845 //return sym->memtype->isscalar(); | |
| 3846 } | |
| 3847 | |
| 3848 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3849 { MATCH m; | |
| 3850 | |
| 3851 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3852 if (this->equals(to)) | |
| 3853 m = MATCHexact; // exact match | |
| 3854 else if (sym->memtype->implicitConvTo(to)) | |
| 3855 m = MATCHconvert; // match with conversions | |
| 3856 else | |
| 3857 m = MATCHnomatch; // no match | |
| 3858 return m; | |
| 3859 } | |
| 3860 | |
| 92 | 3861 Expression *TypeEnum::defaultInit(Loc loc) |
| 1 | 3862 { |
| 3863 #if LOGDEFAULTINIT | |
| 3864 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3865 #endif | |
| 3866 // Initialize to first member of enum | |
| 3867 Expression *e; | |
| 92 | 3868 e = new IntegerExp(loc, sym->defaultval, this); |
| 1 | 3869 return e; |
| 3870 } | |
| 3871 | |
| 3872 int TypeEnum::isZeroInit() | |
| 3873 { | |
| 3874 return (sym->defaultval == 0); | |
| 3875 } | |
| 3876 | |
| 3877 int TypeEnum::hasPointers() | |
| 3878 { | |
| 3879 return toBasetype()->hasPointers(); | |
| 3880 } | |
| 3881 | |
| 3882 /***************************** TypeTypedef *****************************/ | |
| 3883 | |
| 3884 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3885 : Type(Ttypedef, NULL) | |
| 3886 { | |
| 3887 this->sym = sym; | |
| 3888 } | |
| 3889 | |
| 3890 Type *TypeTypedef::syntaxCopy() | |
| 3891 { | |
| 3892 return this; | |
| 3893 } | |
| 3894 | |
| 3895 char *TypeTypedef::toChars() | |
| 3896 { | |
| 3897 return sym->toChars(); | |
| 3898 } | |
| 3899 | |
| 3900 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3901 { | |
| 3902 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3903 sym->semantic(sc); | |
| 3904 return merge(); | |
| 3905 } | |
| 3906 | |
| 3907 d_uns64 TypeTypedef::size(Loc loc) | |
| 3908 { | |
| 3909 return sym->basetype->size(loc); | |
| 3910 } | |
| 3911 | |
| 3912 unsigned TypeTypedef::alignsize() | |
| 3913 { | |
| 3914 return sym->basetype->alignsize(); | |
| 3915 } | |
| 3916 | |
| 3917 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3918 { | |
| 3919 return sym; | |
| 3920 } | |
| 3921 | |
| 3922 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3923 { unsigned len; | |
| 3924 char *name; | |
| 3925 | |
| 3926 name = sym->mangle(); | |
| 3927 // if (name[0] == '_' && name[1] == 'D') | |
| 3928 // name += 2; | |
| 3929 //len = strlen(name); | |
| 3930 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3931 buf->printf("%c%s", mangleChar[ty], name); | |
| 3932 } | |
| 3933 | |
| 3934 void TypeTypedef::toTypeInfoBuffer(OutBuffer *buf) | |
| 3935 { | |
| 3936 sym->basetype->toTypeInfoBuffer(buf); | |
| 3937 } | |
| 3938 | |
| 3939 void TypeTypedef::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3940 { | |
| 3941 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3942 buf->prependstring(sym->toChars()); | |
| 3943 if (ident) | |
| 3944 { buf->writeByte(' '); | |
| 3945 buf->writestring(ident->toChars()); | |
| 3946 } | |
| 3947 } | |
| 3948 | |
| 3949 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3950 { | |
| 3951 #if LOGDOTEXP | |
| 3952 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3953 #endif | |
| 3954 if (ident == Id::init) | |
| 3955 { | |
| 3956 return Type::dotExp(sc, e, ident); | |
| 3957 } | |
| 3958 return sym->basetype->dotExp(sc, e, ident); | |
| 3959 } | |
| 3960 | |
| 3961 int TypeTypedef::isbit() | |
| 3962 { | |
| 3963 return sym->basetype->isbit(); | |
| 3964 } | |
| 3965 | |
| 3966 int TypeTypedef::isintegral() | |
| 3967 { | |
| 3968 //printf("TypeTypedef::isintegral()\n"); | |
| 3969 //printf("sym = '%s'\n", sym->toChars()); | |
| 3970 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3971 return sym->basetype->isintegral(); | |
| 3972 } | |
| 3973 | |
| 3974 int TypeTypedef::isfloating() | |
| 3975 { | |
| 3976 return sym->basetype->isfloating(); | |
| 3977 } | |
| 3978 | |
| 3979 int TypeTypedef::isreal() | |
| 3980 { | |
| 3981 return sym->basetype->isreal(); | |
| 3982 } | |
| 3983 | |
| 3984 int TypeTypedef::isimaginary() | |
| 3985 { | |
| 3986 return sym->basetype->isimaginary(); | |
| 3987 } | |
| 3988 | |
| 3989 int TypeTypedef::iscomplex() | |
| 3990 { | |
| 3991 return sym->basetype->iscomplex(); | |
| 3992 } | |
| 3993 | |
| 3994 int TypeTypedef::isunsigned() | |
| 3995 { | |
| 3996 return sym->basetype->isunsigned(); | |
| 3997 } | |
| 3998 | |
| 3999 int TypeTypedef::isscalar() | |
| 4000 { | |
| 4001 return sym->basetype->isscalar(); | |
| 4002 } | |
| 4003 | |
| 4004 int TypeTypedef::checkBoolean() | |
| 4005 { | |
| 4006 return sym->basetype->checkBoolean(); | |
| 4007 } | |
| 4008 | |
| 4009 Type *TypeTypedef::toBasetype() | |
| 4010 { | |
| 4011 if (sym->inuse) | |
| 4012 { | |
| 4013 sym->error("circular definition"); | |
| 4014 sym->basetype = Type::terror; | |
| 4015 return Type::terror; | |
| 4016 } | |
| 4017 sym->inuse = 1; | |
| 4018 Type *t = sym->basetype->toBasetype(); | |
| 4019 sym->inuse = 0; | |
| 4020 return t; | |
| 4021 } | |
| 4022 | |
| 4023 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4024 { MATCH m; | |
| 4025 | |
| 4026 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4027 if (this->equals(to)) | |
| 4028 m = MATCHexact; // exact match | |
| 4029 else if (sym->basetype->implicitConvTo(to)) | |
| 4030 m = MATCHconvert; // match with conversions | |
| 4031 else | |
| 4032 m = MATCHnomatch; // no match | |
| 4033 return m; | |
| 4034 } | |
| 4035 | |
| 92 | 4036 Expression *TypeTypedef::defaultInit(Loc loc) |
| 1 | 4037 { Expression *e; |
| 4038 Type *bt; | |
| 4039 | |
| 4040 #if LOGDEFAULTINIT | |
| 4041 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4042 #endif | |
| 4043 if (sym->init) | |
| 4044 { | |
| 4045 //sym->init->toExpression()->print(); | |
| 4046 return sym->init->toExpression(); | |
| 4047 } | |
| 4048 bt = sym->basetype; | |
| 92 | 4049 e = bt->defaultInit(loc); |
| 1 | 4050 e->type = this; |
| 4051 while (bt->ty == Tsarray) | |
| 4052 { | |
| 4053 e->type = bt->next; | |
| 4054 bt = bt->next->toBasetype(); | |
| 4055 } | |
| 4056 return e; | |
| 4057 } | |
| 4058 | |
| 4059 int TypeTypedef::isZeroInit() | |
| 4060 { | |
| 4061 if (sym->init) | |
| 4062 { | |
| 4063 if (sym->init->isVoidInitializer()) | |
| 4064 return 1; // initialize voids to 0 | |
| 4065 Expression *e = sym->init->toExpression(); | |
| 4066 if (e && e->isBool(FALSE)) | |
| 4067 return 1; | |
| 4068 return 0; // assume not | |
| 4069 } | |
| 4070 if (sym->inuse) | |
| 4071 { | |
| 4072 sym->error("circular definition"); | |
| 4073 sym->basetype = Type::terror; | |
| 4074 } | |
| 4075 sym->inuse = 1; | |
| 4076 int result = sym->basetype->isZeroInit(); | |
| 4077 sym->inuse = 0; | |
| 4078 return result; | |
| 4079 } | |
| 4080 | |
| 4081 int TypeTypedef::hasPointers() | |
| 4082 { | |
| 4083 return toBasetype()->hasPointers(); | |
| 4084 } | |
| 4085 | |
| 4086 /***************************** TypeStruct *****************************/ | |
| 4087 | |
| 4088 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4089 : Type(Tstruct, NULL) | |
| 4090 { | |
| 4091 this->sym = sym; | |
| 4092 llvmInit = 0; | |
| 4093 } | |
| 4094 | |
| 4095 char *TypeStruct::toChars() | |
| 4096 { | |
| 4097 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4098 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4099 if (ti && ti->toAlias() == sym) | |
| 4100 return ti->toChars(); | |
| 4101 return sym->toChars(); | |
| 4102 } | |
| 4103 | |
| 4104 Type *TypeStruct::syntaxCopy() | |
| 4105 { | |
| 4106 return this; | |
| 4107 } | |
| 4108 | |
| 4109 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4110 { | |
| 4111 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4112 | |
| 4113 /* Cannot do semantic for sym because scope chain may not | |
| 4114 * be right. | |
| 4115 */ | |
| 4116 //sym->semantic(sc); | |
| 4117 | |
| 4118 return merge(); | |
| 4119 } | |
| 4120 | |
| 4121 d_uns64 TypeStruct::size(Loc loc) | |
| 4122 { | |
| 4123 return sym->size(loc); | |
| 4124 } | |
| 4125 | |
| 4126 unsigned TypeStruct::alignsize() | |
| 4127 { unsigned sz; | |
| 4128 | |
| 4129 sym->size(0); // give error for forward references | |
| 4130 sz = sym->alignsize; | |
| 4131 if (sz > sym->structalign) | |
| 4132 sz = sym->structalign; | |
| 4133 return sz; | |
| 4134 } | |
| 4135 | |
| 4136 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4137 { | |
| 4138 return sym; | |
| 4139 } | |
| 4140 | |
| 4141 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4142 { unsigned len; | |
| 4143 char *name; | |
| 4144 | |
| 4145 name = sym->mangle(); | |
| 4146 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4147 // if (name[0] == '_' && name[1] == 'D') | |
| 4148 // name += 2; | |
| 4149 //len = strlen(name); | |
| 4150 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4151 buf->printf("%c%s", mangleChar[ty], name); | |
| 4152 } | |
| 4153 | |
| 4154 void TypeStruct::toTypeInfoBuffer(OutBuffer *buf) | |
| 4155 { | |
| 4156 toDecoBuffer(buf); | |
| 4157 } | |
| 4158 | |
| 4159 | |
| 4160 void TypeStruct::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4161 { | |
| 4162 buf->prependbyte(' '); | |
| 4163 buf->prependstring(toChars()); | |
| 4164 if (ident) | |
| 4165 buf->writestring(ident->toChars()); | |
| 4166 } | |
| 4167 | |
| 4168 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4169 { unsigned offset; | |
| 4170 | |
| 4171 Expression *b; | |
| 4172 VarDeclaration *v; | |
| 4173 Dsymbol *s; | |
| 4174 DotVarExp *de; | |
| 4175 Declaration *d; | |
| 4176 | |
| 4177 #if LOGDOTEXP | |
| 4178 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4179 #endif | |
| 4180 if (!sym->members) | |
| 4181 { | |
| 4182 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4183 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4184 } | |
| 4185 | |
| 4186 if (ident == Id::tupleof) | |
| 4187 { | |
| 4188 /* Create a TupleExp | |
| 4189 */ | |
| 4190 Expressions *exps = new Expressions; | |
| 4191 exps->reserve(sym->fields.dim); | |
| 4192 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4193 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4194 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4195 exps->push(fe); | |
| 4196 } | |
| 4197 e = new TupleExp(e->loc, exps); | |
| 4198 e = e->semantic(sc); | |
| 4199 return e; | |
| 4200 } | |
| 4201 | |
| 4202 if (e->op == TOKdotexp) | |
| 4203 { DotExp *de = (DotExp *)e; | |
| 4204 | |
| 4205 if (de->e1->op == TOKimport) | |
| 4206 { | |
| 4207 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4208 | |
| 4209 s = se->sds->search(e->loc, ident, 0); | |
| 4210 e = de->e1; | |
| 4211 goto L1; | |
| 4212 } | |
| 4213 } | |
| 4214 | |
| 4215 s = sym->search(e->loc, ident, 0); | |
| 4216 L1: | |
| 4217 if (!s) | |
| 4218 { | |
| 4219 //return getProperty(e->loc, ident); | |
| 4220 return Type::dotExp(sc, e, ident); | |
| 4221 } | |
| 4222 s = s->toAlias(); | |
| 4223 | |
| 4224 v = s->isVarDeclaration(); | |
| 4225 if (v && v->isConst()) | |
| 4226 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4227 | |
| 4228 if (ei) | |
| 4229 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4230 e = e->semantic(sc); | |
| 4231 return e; | |
| 4232 } | |
| 4233 } | |
| 4234 | |
| 4235 if (s->getType()) | |
| 4236 { | |
| 4237 //return new DotTypeExp(e->loc, e, s); | |
| 4238 return new TypeExp(e->loc, s->getType()); | |
| 4239 } | |
| 4240 | |
| 4241 EnumMember *em = s->isEnumMember(); | |
| 4242 if (em) | |
| 4243 { | |
| 4244 assert(em->value); | |
| 4245 return em->value->copy(); | |
| 4246 } | |
| 4247 | |
| 4248 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4249 if (tm) | |
| 4250 { Expression *de; | |
| 4251 | |
| 4252 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4253 de->type = e->type; | |
| 4254 return de; | |
| 4255 } | |
| 4256 | |
| 4257 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4258 if (td) | |
| 4259 { | |
| 4260 e = new DotTemplateExp(e->loc, e, td); | |
| 4261 e->semantic(sc); | |
| 4262 return e; | |
| 4263 } | |
| 4264 | |
| 4265 d = s->isDeclaration(); | |
| 4266 #ifdef DEBUG | |
| 4267 if (!d) | |
| 4268 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4269 #endif | |
| 4270 assert(d); | |
| 4271 | |
| 4272 if (e->op == TOKtype) | |
| 4273 { FuncDeclaration *fd = sc->func; | |
| 4274 | |
| 4275 if (d->needThis() && fd && fd->vthis) | |
| 4276 { | |
| 4277 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4278 e = e->semantic(sc); | |
| 4279 return e; | |
| 4280 } | |
| 4281 if (d->isTupleDeclaration()) | |
| 4282 { | |
| 4283 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4284 e = e->semantic(sc); | |
| 4285 return e; | |
| 4286 } | |
| 4287 return new VarExp(e->loc, d); | |
| 4288 } | |
| 4289 | |
| 4290 if (d->isDataseg()) | |
| 4291 { | |
| 4292 // (e, d) | |
| 4293 VarExp *ve; | |
| 4294 | |
| 4295 accessCheck(e->loc, sc, e, d); | |
| 4296 ve = new VarExp(e->loc, d); | |
| 4297 e = new CommaExp(e->loc, e, ve); | |
| 4298 e->type = d->type; | |
| 4299 return e; | |
| 4300 } | |
| 4301 | |
| 4302 if (v) | |
| 4303 { | |
| 4304 if (v->toParent() != sym) | |
| 4305 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4306 | |
| 4307 // *(&e + offset) | |
| 4308 accessCheck(e->loc, sc, e, d); | |
| 4309 b = new AddrExp(e->loc, e); | |
| 4310 b->type = e->type->pointerTo(); | |
| 4311 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
| 4312 b->type = v->type->pointerTo(); | |
| 4313 e = new PtrExp(e->loc, b); | |
| 4314 e->type = v->type; | |
| 4315 return e; | |
| 4316 } | |
| 4317 | |
| 4318 de = new DotVarExp(e->loc, e, d); | |
| 4319 return de->semantic(sc); | |
| 4320 } | |
| 4321 | |
| 4322 unsigned TypeStruct::memalign(unsigned salign) | |
| 4323 { | |
| 4324 sym->size(0); // give error for forward references | |
| 4325 return sym->structalign; | |
| 4326 } | |
| 4327 | |
| 92 | 4328 Expression *TypeStruct::defaultInit(Loc loc) |
| 1 | 4329 { Symbol *s; |
| 4330 Declaration *d; | |
| 4331 | |
| 4332 #if LOGDEFAULTINIT | |
| 4333 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4334 #endif | |
| 4335 s = sym->toInitializer(); | |
| 4336 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4337 assert(d); | |
| 4338 d->type = this; | |
| 4339 return new VarExp(sym->loc, d); | |
| 4340 } | |
| 4341 | |
| 4342 int TypeStruct::isZeroInit() | |
| 4343 { | |
| 4344 return sym->zeroInit; | |
| 4345 } | |
| 4346 | |
| 4347 int TypeStruct::checkBoolean() | |
| 4348 { | |
| 4349 return FALSE; | |
| 4350 } | |
| 4351 | |
| 4352 int TypeStruct::hasPointers() | |
| 4353 { | |
| 4354 StructDeclaration *s = sym; | |
| 4355 | |
| 4356 sym->size(0); // give error for forward references | |
| 4357 if (s->members) | |
| 4358 { | |
| 4359 for (size_t i = 0; i < s->members->dim; i++) | |
| 4360 { | |
| 4361 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4362 if (sm->hasPointers()) | |
| 4363 return TRUE; | |
| 4364 } | |
| 4365 } | |
| 4366 return FALSE; | |
| 4367 } | |
| 4368 | |
| 4369 | |
| 4370 /***************************** TypeClass *****************************/ | |
| 4371 | |
| 4372 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4373 : Type(Tclass, NULL) | |
| 4374 { | |
| 4375 this->sym = sym; | |
| 4376 llvmInit = 0; | |
|
102
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[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
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94
diff
changeset
|
4377 llvmVtblType = 0; |
| 1 | 4378 } |
| 4379 | |
| 4380 char *TypeClass::toChars() | |
| 4381 { | |
| 4382 return sym->toPrettyChars(); | |
| 4383 } | |
| 4384 | |
| 4385 Type *TypeClass::syntaxCopy() | |
| 4386 { | |
| 4387 return this; | |
| 4388 } | |
| 4389 | |
| 4390 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4391 { | |
| 4392 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4393 if (sym->scope) | |
| 4394 sym->semantic(sym->scope); | |
| 4395 return merge(); | |
| 4396 } | |
| 4397 | |
| 4398 d_uns64 TypeClass::size(Loc loc) | |
| 4399 { | |
| 4400 return PTRSIZE; | |
| 4401 } | |
| 4402 | |
| 4403 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4404 { | |
| 4405 return sym; | |
| 4406 } | |
| 4407 | |
| 4408 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4409 { unsigned len; | |
| 4410 char *name; | |
| 4411 | |
| 4412 name = sym->mangle(); | |
| 4413 // if (name[0] == '_' && name[1] == 'D') | |
| 4414 // name += 2; | |
| 4415 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4416 //len = strlen(name); | |
| 4417 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4418 buf->printf("%c%s", mangleChar[ty], name); | |
| 4419 } | |
| 4420 | |
| 4421 void TypeClass::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4422 { | |
| 4423 buf->prependstring(sym->toChars()); | |
| 4424 if (ident) | |
| 4425 { buf->writeByte(' '); | |
| 4426 buf->writestring(ident->toChars()); | |
| 4427 } | |
| 4428 } | |
| 4429 | |
| 4430 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4431 { unsigned offset; | |
| 4432 | |
| 4433 Expression *b; | |
| 4434 VarDeclaration *v; | |
| 4435 Dsymbol *s; | |
| 4436 DotVarExp *de; | |
| 4437 Declaration *d; | |
| 4438 | |
| 4439 #if LOGDOTEXP | |
| 4440 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4441 #endif | |
| 4442 | |
| 4443 if (e->op == TOKdotexp) | |
| 4444 { DotExp *de = (DotExp *)e; | |
| 4445 | |
| 4446 if (de->e1->op == TOKimport) | |
| 4447 { | |
| 4448 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4449 | |
| 4450 s = se->sds->search(e->loc, ident, 0); | |
| 4451 e = de->e1; | |
| 4452 goto L1; | |
| 4453 } | |
| 4454 } | |
| 4455 | |
| 4456 if (ident == Id::tupleof) | |
| 4457 { | |
| 4458 /* Create a TupleExp | |
| 4459 */ | |
| 4460 Expressions *exps = new Expressions; | |
| 4461 exps->reserve(sym->fields.dim); | |
| 4462 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4463 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4464 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4465 exps->push(fe); | |
| 4466 } | |
| 4467 e = new TupleExp(e->loc, exps); | |
| 4468 e = e->semantic(sc); | |
| 4469 return e; | |
| 4470 } | |
| 4471 | |
| 4472 s = sym->search(e->loc, ident, 0); | |
| 4473 L1: | |
| 4474 if (!s) | |
| 4475 { | |
| 4476 // See if it's a base class | |
| 4477 ClassDeclaration *cbase; | |
| 4478 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4479 { | |
| 4480 if (cbase->ident->equals(ident)) | |
| 4481 { | |
| 4482 e = new DotTypeExp(0, e, cbase); | |
| 4483 return e; | |
| 4484 } | |
| 4485 } | |
| 4486 | |
| 4487 if (ident == Id::classinfo) | |
| 4488 { | |
| 4489 Type *t; | |
| 4490 | |
| 4491 assert(ClassDeclaration::classinfo); | |
| 4492 t = ClassDeclaration::classinfo->type; | |
| 4493 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4494 { | |
|
35
3cfcb944304e
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11
diff
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|
4495 /* For type.classinfo, we know the classinfo |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
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parents:
11
diff
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|
4496 * at compile time. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
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parents:
11
diff
changeset
|
4497 */ |
| 1 | 4498 if (!sym->vclassinfo) |
| 4499 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4500 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4501 e = e->addressOf(sc); | |
| 4502 e->type = t; // do this so we don't get redundant dereference | |
| 4503 } | |
| 4504 else | |
|
103
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
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102
diff
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|
4505 { |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4506 /* For class objects, the classinfo reference is the first |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
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parents:
102
diff
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|
4507 * entry in the vtbl[] |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
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102
diff
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|
4508 */ |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4509 #if IN_LLVM |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
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|
4510 |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4511 e = e->castTo(sc, t->pointerTo()->pointerTo()); |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4512 e = new PtrExp(e->loc, e); |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4513 e->type = t->pointerTo(); |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4514 e = new PtrExp(e->loc, e); |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
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|
4515 e->type = t; |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4516 if (sym->isInterfaceDeclaration()) |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
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|
4517 { |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4518 assert(0 && "No interfaces yet!"); |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
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|
4519 } |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4520 |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4521 #else |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4522 |
| 1 | 4523 e = new PtrExp(e->loc, e); |
| 4524 e->type = t->pointerTo(); | |
| 4525 if (sym->isInterfaceDeclaration()) | |
| 4526 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4527 if (sym->isCOMinterface()) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4528 { /* 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
|
4529 * first entry is always pointer to QueryInterface(). |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4530 * 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
|
4531 */ |
| 1 | 4532 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
|
4533 } |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4534 /* 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
|
4535 * 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
|
4536 * 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
|
4537 * so add an extra pointer indirection. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4538 */ |
| 1 | 4539 e->type = e->type->pointerTo(); |
| 4540 e = new PtrExp(e->loc, e); | |
| 4541 e->type = t->pointerTo(); | |
| 4542 } | |
| 4543 e = new PtrExp(e->loc, e, t); | |
|
103
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
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|
4544 |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4545 #endif |
| 1 | 4546 } |
| 4547 return e; | |
| 4548 } | |
| 4549 | |
| 4550 if (ident == Id::typeinfo) | |
| 4551 { | |
| 4552 if (!global.params.useDeprecated) | |
| 4553 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4554 return getTypeInfo(sc); | |
| 4555 } | |
| 4556 if (ident == Id::outer && sym->vthis) | |
| 4557 { | |
| 4558 s = sym->vthis; | |
| 4559 } | |
| 4560 else | |
| 4561 { | |
| 4562 //return getProperty(e->loc, ident); | |
| 4563 return Type::dotExp(sc, e, ident); | |
| 4564 } | |
| 4565 } | |
| 4566 s = s->toAlias(); | |
| 4567 v = s->isVarDeclaration(); | |
| 4568 if (v && v->isConst()) | |
| 4569 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4570 | |
| 4571 if (ei) | |
| 4572 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4573 e = e->semantic(sc); | |
| 4574 return e; | |
| 4575 } | |
| 4576 } | |
| 4577 | |
| 4578 if (s->getType()) | |
| 4579 { | |
| 4580 // if (e->op == TOKtype) | |
| 4581 return new TypeExp(e->loc, s->getType()); | |
| 4582 // return new DotTypeExp(e->loc, e, s); | |
| 4583 } | |
| 4584 | |
| 4585 EnumMember *em = s->isEnumMember(); | |
| 4586 if (em) | |
| 4587 { | |
| 4588 assert(em->value); | |
| 4589 return em->value->copy(); | |
| 4590 } | |
| 4591 | |
| 4592 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4593 if (tm) | |
| 4594 { Expression *de; | |
| 4595 | |
| 4596 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4597 de->type = e->type; | |
| 4598 return de; | |
| 4599 } | |
| 4600 | |
| 4601 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4602 if (td) | |
| 4603 { | |
| 4604 e = new DotTemplateExp(e->loc, e, td); | |
| 4605 e->semantic(sc); | |
| 4606 return e; | |
| 4607 } | |
| 4608 | |
| 4609 d = s->isDeclaration(); | |
| 4610 if (!d) | |
| 4611 { | |
| 4612 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4613 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4614 } | |
| 4615 | |
| 4616 if (e->op == TOKtype) | |
| 4617 { | |
| 4618 VarExp *ve; | |
| 4619 | |
| 4620 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4621 { | |
| 4622 if (sc->func) | |
| 4623 { | |
| 4624 ClassDeclaration *thiscd; | |
| 4625 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4626 | |
| 4627 if (thiscd) | |
| 4628 { | |
| 4629 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4630 | |
| 4631 if (cd == thiscd) | |
| 4632 { | |
| 4633 e = new ThisExp(e->loc); | |
| 4634 e = new DotTypeExp(e->loc, e, cd); | |
| 4635 de = new DotVarExp(e->loc, e, d); | |
| 4636 e = de->semantic(sc); | |
| 4637 return e; | |
| 4638 } | |
| 4639 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4640 !d->isFuncDeclaration()) | |
| 4641 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4642 } | |
| 4643 } | |
| 4644 | |
| 4645 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4646 e = de->semantic(sc); | |
| 4647 return e; | |
| 4648 } | |
| 4649 else if (d->isTupleDeclaration()) | |
| 4650 { | |
| 4651 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4652 e = e->semantic(sc); | |
| 4653 return e; | |
| 4654 } | |
| 4655 else | |
| 4656 ve = new VarExp(e->loc, d); | |
| 4657 return ve; | |
| 4658 } | |
| 4659 | |
| 4660 if (d->isDataseg()) | |
| 4661 { | |
| 4662 // (e, d) | |
| 4663 VarExp *ve; | |
| 4664 | |
| 4665 accessCheck(e->loc, sc, e, d); | |
| 4666 ve = new VarExp(e->loc, d); | |
| 4667 e = new CommaExp(e->loc, e, ve); | |
| 4668 e->type = d->type; | |
| 4669 return e; | |
| 4670 } | |
| 4671 | |
| 4672 if (d->parent && d->toParent()->isModule()) | |
| 4673 { | |
| 4674 // (e, d) | |
| 4675 VarExp *ve; | |
| 4676 | |
| 4677 ve = new VarExp(e->loc, d); | |
| 4678 e = new CommaExp(e->loc, e, ve); | |
| 4679 e->type = d->type; | |
| 4680 return e; | |
| 4681 } | |
| 4682 | |
| 4683 de = new DotVarExp(e->loc, e, d); | |
| 4684 return de->semantic(sc); | |
| 4685 } | |
| 4686 | |
| 4687 ClassDeclaration *TypeClass::isClassHandle() | |
| 4688 { | |
| 4689 return sym; | |
| 4690 } | |
| 4691 | |
| 4692 int TypeClass::isauto() | |
| 4693 { | |
| 4694 return sym->isauto; | |
| 4695 } | |
| 4696 | |
| 4697 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4698 { | |
| 4699 if (t->ty == Tclass) | |
| 4700 { ClassDeclaration *cd; | |
| 4701 | |
| 4702 cd = ((TypeClass *)t)->sym; | |
| 4703 if (sym->isBaseOf(cd, poffset)) | |
| 4704 return 1; | |
| 4705 } | |
| 4706 return 0; | |
| 4707 } | |
| 4708 | |
| 4709 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4710 { | |
| 4711 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4712 if (this == to) | |
| 4713 return MATCHexact; | |
| 4714 | |
| 4715 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4716 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4717 { //printf("is base\n"); | |
| 4718 return MATCHconvert; | |
| 4719 } | |
| 4720 | |
| 4721 if (global.params.Dversion == 1) | |
| 4722 { | |
| 4723 // Allow conversion to (void *) | |
| 4724 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4725 return MATCHconvert; | |
| 4726 } | |
| 4727 | |
| 4728 return MATCHnomatch; | |
| 4729 } | |
| 4730 | |
| 92 | 4731 Expression *TypeClass::defaultInit(Loc loc) |
| 1 | 4732 { |
| 4733 #if LOGDEFAULTINIT | |
| 4734 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4735 #endif | |
| 4736 Expression *e; | |
| 92 | 4737 e = new NullExp(loc); |
| 1 | 4738 e->type = this; |
| 4739 return e; | |
| 4740 } | |
| 4741 | |
| 4742 int TypeClass::isZeroInit() | |
| 4743 { | |
| 4744 return 1; | |
| 4745 } | |
| 4746 | |
| 4747 int TypeClass::checkBoolean() | |
| 4748 { | |
| 4749 return TRUE; | |
| 4750 } | |
| 4751 | |
| 4752 int TypeClass::hasPointers() | |
| 4753 { | |
| 4754 return TRUE; | |
| 4755 } | |
| 4756 | |
| 4757 /***************************** TypeTuple *****************************/ | |
| 4758 | |
| 4759 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4760 : Type(Ttuple, NULL) | |
| 4761 { | |
| 4762 //printf("TypeTuple(this = %p)\n", this); | |
| 4763 this->arguments = arguments; | |
| 4764 #ifdef DEBUG | |
| 4765 if (arguments) | |
| 4766 { | |
| 4767 for (size_t i = 0; i < arguments->dim; i++) | |
| 4768 { | |
| 4769 Argument *arg = (Argument *)arguments->data[i]; | |
| 4770 assert(arg && arg->type); | |
| 4771 } | |
| 4772 } | |
| 4773 #endif | |
| 4774 } | |
| 4775 | |
| 4776 /**************** | |
| 4777 * Form TypeTuple from the types of the expressions. | |
| 4778 * Assume exps[] is already tuple expanded. | |
| 4779 */ | |
| 4780 | |
| 4781 TypeTuple::TypeTuple(Expressions *exps) | |
| 4782 : Type(Ttuple, NULL) | |
| 4783 { | |
| 4784 Arguments *arguments = new Arguments; | |
| 4785 if (exps) | |
| 4786 { | |
| 4787 arguments->setDim(exps->dim); | |
| 4788 for (size_t i = 0; i < exps->dim; i++) | |
| 4789 { Expression *e = (Expression *)exps->data[i]; | |
| 4790 if (e->type->ty == Ttuple) | |
| 4791 e->error("cannot form tuple of tuples"); | |
| 4792 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4793 arguments->data[i] = (void *)arg; | |
| 4794 } | |
| 4795 } | |
| 4796 this->arguments = arguments; | |
| 4797 } | |
| 4798 | |
| 4799 Type *TypeTuple::syntaxCopy() | |
| 4800 { | |
| 4801 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4802 Type *t = new TypeTuple(args); | |
| 4803 return t; | |
| 4804 } | |
| 4805 | |
| 4806 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4807 { | |
| 4808 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4809 if (!deco) | |
| 4810 deco = merge()->deco; | |
| 4811 | |
| 4812 /* Don't return merge(), because a tuple with one type has the | |
| 4813 * same deco as that type. | |
| 4814 */ | |
| 4815 return this; | |
| 4816 } | |
| 4817 | |
| 4818 int TypeTuple::equals(Object *o) | |
| 4819 { Type *t; | |
| 4820 | |
| 4821 t = (Type *)o; | |
| 4822 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4823 if (this == t) | |
| 4824 { | |
| 4825 return 1; | |
| 4826 } | |
| 4827 if (t->ty == Ttuple) | |
| 4828 { TypeTuple *tt = (TypeTuple *)t; | |
| 4829 | |
| 4830 if (arguments->dim == tt->arguments->dim) | |
| 4831 { | |
| 4832 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4833 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4834 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4835 | |
| 4836 if (!arg1->type->equals(arg2->type)) | |
| 4837 return 0; | |
| 4838 } | |
| 4839 return 1; | |
| 4840 } | |
| 4841 } | |
| 4842 return 0; | |
| 4843 } | |
| 4844 | |
| 4845 Type *TypeTuple::reliesOnTident() | |
| 4846 { | |
| 4847 if (arguments) | |
| 4848 { | |
| 4849 for (size_t i = 0; i < arguments->dim; i++) | |
| 4850 { | |
| 4851 Argument *arg = (Argument *)arguments->data[i]; | |
| 4852 Type *t = arg->type->reliesOnTident(); | |
| 4853 if (t) | |
| 4854 return t; | |
| 4855 } | |
| 4856 } | |
| 4857 return NULL; | |
| 4858 } | |
| 4859 | |
| 4860 void TypeTuple::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4861 { | |
| 4862 OutBuffer buf2; | |
| 4863 Argument::argsToCBuffer(&buf2, hgs, arguments, 0); | |
| 4864 buf->prependstring(buf2.toChars()); | |
| 4865 if (ident) | |
| 4866 { buf->writeByte(' '); | |
| 4867 buf->writestring(ident->toChars()); | |
| 4868 } | |
| 4869 } | |
| 4870 | |
| 4871 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4872 { | |
| 4873 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4874 OutBuffer buf2; | |
| 4875 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4876 unsigned len = buf2.offset; | |
| 4877 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4878 } | |
| 4879 | |
| 4880 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4881 { Expression *e; | |
| 4882 | |
| 4883 #if LOGDOTEXP | |
| 4884 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4885 #endif | |
| 4886 if (ident == Id::length) | |
| 4887 { | |
| 4888 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4889 } | |
| 4890 else | |
| 4891 { | |
| 4892 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4893 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4894 } | |
| 4895 return e; | |
| 4896 } | |
| 4897 | |
| 4898 /***************************** TypeSlice *****************************/ | |
| 4899 | |
| 4900 /* This is so we can slice a TypeTuple */ | |
| 4901 | |
| 4902 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4903 : Type(Tslice, next) | |
| 4904 { | |
| 4905 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4906 this->lwr = lwr; | |
| 4907 this->upr = upr; | |
| 4908 } | |
| 4909 | |
| 4910 Type *TypeSlice::syntaxCopy() | |
| 4911 { | |
| 4912 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4913 return t; | |
| 4914 } | |
| 4915 | |
| 4916 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4917 { | |
| 4918 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4919 next = next->semantic(loc, sc); | |
| 4920 //printf("next: %s\n", next->toChars()); | |
| 4921 | |
| 4922 Type *tbn = next->toBasetype(); | |
| 4923 if (tbn->ty != Ttuple) | |
| 4924 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4925 return Type::terror; | |
| 4926 } | |
| 4927 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4928 | |
| 4929 lwr = semanticLength(sc, tbn, lwr); | |
| 4930 lwr = lwr->optimize(WANTvalue); | |
| 4931 uinteger_t i1 = lwr->toUInteger(); | |
| 4932 | |
| 4933 upr = semanticLength(sc, tbn, upr); | |
| 4934 upr = upr->optimize(WANTvalue); | |
| 4935 uinteger_t i2 = upr->toUInteger(); | |
| 4936 | |
| 4937 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4938 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4939 return Type::terror; | |
| 4940 } | |
| 4941 | |
| 4942 Arguments *args = new Arguments; | |
| 4943 args->reserve(i2 - i1); | |
| 4944 for (size_t i = i1; i < i2; i++) | |
| 4945 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4946 args->push(arg); | |
| 4947 } | |
| 4948 | |
| 4949 return new TypeTuple(args); | |
| 4950 } | |
| 4951 | |
| 4952 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4953 { | |
| 4954 next->resolve(loc, sc, pe, pt, ps); | |
| 4955 if (*pe) | |
| 4956 { // It's really a slice expression | |
| 4957 Expression *e; | |
| 4958 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4959 *pe = e; | |
| 4960 } | |
| 4961 else if (*ps) | |
| 4962 { Dsymbol *s = *ps; | |
| 4963 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4964 if (td) | |
| 4965 { | |
| 4966 /* It's a slice of a TupleDeclaration | |
| 4967 */ | |
| 4968 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4969 sym->parent = sc->scopesym; | |
| 4970 sc = sc->push(sym); | |
| 4971 | |
| 4972 lwr = lwr->semantic(sc); | |
| 4973 lwr = lwr->optimize(WANTvalue); | |
| 4974 uinteger_t i1 = lwr->toUInteger(); | |
| 4975 | |
| 4976 upr = upr->semantic(sc); | |
| 4977 upr = upr->optimize(WANTvalue); | |
| 4978 uinteger_t i2 = upr->toUInteger(); | |
| 4979 | |
| 4980 sc = sc->pop(); | |
| 4981 | |
| 4982 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 4983 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 4984 goto Ldefault; | |
| 4985 } | |
| 4986 | |
| 4987 if (i1 == 0 && i2 == td->objects->dim) | |
| 4988 { | |
| 4989 *ps = td; | |
| 4990 return; | |
| 4991 } | |
| 4992 | |
| 4993 /* Create a new TupleDeclaration which | |
| 4994 * is a slice [i1..i2] out of the old one. | |
| 4995 */ | |
| 4996 Objects *objects = new Objects; | |
| 4997 objects->setDim(i2 - i1); | |
| 4998 for (size_t i = 0; i < objects->dim; i++) | |
| 4999 { | |
| 5000 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 5001 } | |
| 5002 | |
| 5003 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 5004 *ps = tds; | |
| 5005 } | |
| 5006 else | |
| 5007 goto Ldefault; | |
| 5008 } | |
| 5009 else | |
| 5010 { | |
| 5011 Ldefault: | |
| 5012 Type::resolve(loc, sc, pe, pt, ps); | |
| 5013 } | |
| 5014 } | |
| 5015 | |
| 5016 void TypeSlice::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 5017 { | |
| 5018 OutBuffer buf2; | |
| 5019 | |
| 5020 buf2.printf("[%s .. ", lwr->toChars()); | |
| 5021 buf2.printf("%s]", upr->toChars()); | |
| 5022 | |
| 5023 buf->prependstring(buf2.toChars()); | |
| 5024 if (ident) | |
| 5025 { | |
| 5026 buf->writeByte(' '); | |
| 5027 buf->writestring(ident->toChars()); | |
| 5028 } | |
| 5029 next->toCBuffer2(buf, NULL, hgs); | |
| 5030 } | |
| 5031 | |
| 5032 /***************************** Argument *****************************/ | |
| 5033 | |
| 5034 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 5035 { | |
| 5036 this->type = type; | |
| 5037 this->ident = ident; | |
| 5038 this->storageClass = storageClass; | |
| 5039 this->defaultArg = defaultArg; | |
| 5040 this->llvmCopy = false; | |
| 5041 this->vardecl = 0; | |
| 5042 } | |
| 5043 | |
| 5044 Argument *Argument::syntaxCopy() | |
| 5045 { | |
| 5046 Argument *a = new Argument(storageClass, | |
| 5047 type ? type->syntaxCopy() : NULL, | |
| 5048 ident, | |
| 5049 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
| 5050 return a; | |
| 5051 } | |
| 5052 | |
| 5053 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5054 { Arguments *a = NULL; | |
| 5055 | |
| 5056 if (args) | |
| 5057 { | |
| 5058 a = new Arguments(); | |
| 5059 a->setDim(args->dim); | |
| 5060 for (size_t i = 0; i < a->dim; i++) | |
| 5061 { Argument *arg = (Argument *)args->data[i]; | |
| 5062 | |
| 5063 arg = arg->syntaxCopy(); | |
| 5064 a->data[i] = (void *)arg; | |
| 5065 } | |
| 5066 } | |
| 5067 return a; | |
| 5068 } | |
| 5069 | |
| 5070 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5071 { OutBuffer *buf; | |
| 5072 | |
| 5073 buf = new OutBuffer(); | |
| 5074 | |
| 5075 buf->writeByte('('); | |
| 5076 if (args) | |
| 5077 { int i; | |
| 5078 OutBuffer argbuf; | |
| 5079 HdrGenState hgs; | |
| 5080 | |
| 5081 for (i = 0; i < args->dim; i++) | |
| 5082 { Argument *arg; | |
| 5083 | |
| 5084 if (i) | |
| 5085 buf->writeByte(','); | |
| 5086 arg = (Argument *)args->data[i]; | |
| 5087 argbuf.reset(); | |
| 5088 arg->type->toCBuffer2(&argbuf, NULL, &hgs); | |
| 5089 buf->write(&argbuf); | |
| 5090 } | |
| 5091 if (varargs) | |
| 5092 { | |
| 5093 if (i && varargs == 1) | |
| 5094 buf->writeByte(','); | |
| 5095 buf->writestring("..."); | |
| 5096 } | |
| 5097 } | |
| 5098 buf->writeByte(')'); | |
| 5099 | |
| 5100 return buf->toChars(); | |
| 5101 } | |
| 5102 | |
| 5103 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5104 { | |
| 5105 buf->writeByte('('); | |
| 5106 if (arguments) | |
| 5107 { int i; | |
| 5108 OutBuffer argbuf; | |
| 5109 | |
| 5110 for (i = 0; i < arguments->dim; i++) | |
| 5111 { Argument *arg; | |
| 5112 | |
| 5113 if (i) | |
| 5114 buf->writestring(", "); | |
| 5115 arg = (Argument *)arguments->data[i]; | |
| 5116 if (arg->storageClass & STCout) | |
| 5117 buf->writestring("out "); | |
| 5118 else if (arg->storageClass & STCref) | |
| 5119 buf->writestring((global.params.Dversion == 1) | |
| 5120 ? (char *)"inout " : (char *)"ref "); | |
| 5121 else if (arg->storageClass & STClazy) | |
| 5122 buf->writestring("lazy "); | |
| 5123 argbuf.reset(); | |
| 5124 arg->type->toCBuffer2(&argbuf, arg->ident, hgs); | |
| 5125 if (arg->defaultArg) | |
| 5126 { | |
| 5127 argbuf.writestring(" = "); | |
| 5128 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5129 } | |
| 5130 buf->write(&argbuf); | |
| 5131 } | |
| 5132 if (varargs) | |
| 5133 { | |
| 5134 if (i && varargs == 1) | |
| 5135 buf->writeByte(','); | |
| 5136 buf->writestring("..."); | |
| 5137 } | |
| 5138 } | |
| 5139 buf->writeByte(')'); | |
| 5140 } | |
| 5141 | |
| 5142 | |
| 5143 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5144 { | |
| 5145 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5146 | |
| 5147 // Write argument types | |
| 5148 if (arguments) | |
| 5149 { | |
| 5150 size_t dim = Argument::dim(arguments); | |
| 5151 for (size_t i = 0; i < dim; i++) | |
| 5152 { | |
| 5153 Argument *arg = Argument::getNth(arguments, i); | |
| 5154 arg->toDecoBuffer(buf); | |
| 5155 } | |
| 5156 } | |
| 5157 } | |
| 5158 | |
| 5159 /**************************************************** | |
| 5160 * Determine if parameter is a lazy array of delegates. | |
| 5161 * If so, return the return type of those delegates. | |
| 5162 * If not, return NULL. | |
| 5163 */ | |
| 5164 | |
| 5165 Type *Argument::isLazyArray() | |
| 5166 { | |
| 5167 // if (inout == Lazy) | |
| 5168 { | |
| 5169 Type *tb = type->toBasetype(); | |
| 5170 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5171 { | |
| 5172 Type *tel = tb->next->toBasetype(); | |
| 5173 if (tel->ty == Tdelegate) | |
| 5174 { | |
| 5175 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5176 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5177 | |
| 5178 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5179 { | |
| 5180 return tf->next; // return type of delegate | |
| 5181 } | |
| 5182 } | |
| 5183 } | |
| 5184 } | |
| 5185 return NULL; | |
| 5186 } | |
| 5187 | |
| 5188 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5189 { | |
| 5190 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5191 { case 0: | |
| 5192 case STCin: | |
| 5193 break; | |
| 5194 case STCout: | |
| 5195 buf->writeByte('J'); | |
| 5196 break; | |
| 5197 case STCref: | |
| 5198 buf->writeByte('K'); | |
| 5199 break; | |
| 5200 case STClazy: | |
| 5201 buf->writeByte('L'); | |
| 5202 break; | |
| 5203 default: | |
| 5204 #ifdef DEBUG | |
| 5205 halt(); | |
| 5206 #endif | |
| 5207 assert(0); | |
| 5208 } | |
| 5209 type->toDecoBuffer(buf); | |
| 5210 } | |
| 5211 | |
| 5212 /*************************************** | |
| 5213 * Determine number of arguments, folding in tuples. | |
| 5214 */ | |
| 5215 | |
| 5216 size_t Argument::dim(Arguments *args) | |
| 5217 { | |
| 5218 size_t n = 0; | |
| 5219 if (args) | |
| 5220 { | |
| 5221 for (size_t i = 0; i < args->dim; i++) | |
| 5222 { Argument *arg = (Argument *)args->data[i]; | |
| 5223 Type *t = arg->type->toBasetype(); | |
| 5224 | |
| 5225 if (t->ty == Ttuple) | |
| 5226 { TypeTuple *tu = (TypeTuple *)t; | |
| 5227 n += dim(tu->arguments); | |
| 5228 } | |
| 5229 else | |
| 5230 n++; | |
| 5231 } | |
| 5232 } | |
| 5233 return n; | |
| 5234 } | |
| 5235 | |
| 5236 /*************************************** | |
| 5237 * Get nth Argument, folding in tuples. | |
| 5238 * Returns: | |
| 5239 * Argument* nth Argument | |
| 5240 * NULL not found, *pn gets incremented by the number | |
| 5241 * of Arguments | |
| 5242 */ | |
| 5243 | |
| 5244 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5245 { | |
| 5246 if (!args) | |
| 5247 return NULL; | |
| 5248 | |
| 5249 size_t n = 0; | |
| 5250 for (size_t i = 0; i < args->dim; i++) | |
| 5251 { Argument *arg = (Argument *)args->data[i]; | |
| 5252 Type *t = arg->type->toBasetype(); | |
| 5253 | |
| 5254 if (t->ty == Ttuple) | |
| 5255 { TypeTuple *tu = (TypeTuple *)t; | |
| 5256 arg = getNth(tu->arguments, nth - n, &n); | |
| 5257 if (arg) | |
| 5258 return arg; | |
| 5259 } | |
| 5260 else if (n == nth) | |
| 5261 return arg; | |
| 5262 else | |
| 5263 n++; | |
| 5264 } | |
| 5265 | |
| 5266 if (pn) | |
| 5267 *pn += n; | |
| 5268 return NULL; | |
| 5269 } |