Mercurial > projects > ldc
annotate dmd/mtype.c @ 127:facc562f5674 trunk
[svn r131] Fixed #11
All associative array properties now work as they should.
Fixed problems with some cases of array.length and array.ptr.
Fixed some problems with array properties.
Fixed 'in' contracts.
| author | lindquist |
|---|---|
| date | Fri, 30 Nov 2007 12:56:52 +0100 |
| parents | 9c79b61fb638 |
| children | a7dfa0ed966c |
| 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]; | |
| 127 | 1516 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); |
|
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|
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]; | |
| 127 | 1534 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); |
|
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[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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|
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); | |
| 127 | 1553 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), dup ? Id::adDup : Id::adReverse); |
|
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[svn r113] Added initial support for associative arrays (AAs).
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|
1554 fd->llvmRunTimeHack = true; |
| 1 | 1555 ec = new VarExp(0, fd); |
| 1556 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1557 arguments = new Expressions(); | |
| 1558 if (dup) | |
| 1559 arguments->push(getTypeInfo(sc)); | |
| 1560 arguments->push(e); | |
| 1561 if (!dup) | |
| 1562 arguments->push(new IntegerExp(0, size, Type::tint32)); | |
| 1563 e = new CallExp(e->loc, ec, arguments); | |
| 1564 e->type = next->arrayOf(); | |
| 1565 } | |
| 1566 else if (ident == Id::sort) | |
| 1567 { | |
| 1568 Expression *ec; | |
| 1569 FuncDeclaration *fd; | |
| 1570 Expressions *arguments; | |
| 1571 | |
| 127 | 1572 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), |
| 1 | 1573 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort")); |
|
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[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
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diff
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|
1574 fd->llvmRunTimeHack = true; |
| 1 | 1575 ec = new VarExp(0, fd); |
| 1576 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1577 arguments = new Expressions(); | |
| 1578 arguments->push(e); | |
| 1579 if (next->ty != Tbit) | |
| 1580 arguments->push(n->ty == Tsarray | |
| 1581 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1582 : n->getInternalTypeInfo(sc)); | |
| 1583 e = new CallExp(e->loc, ec, arguments); | |
| 1584 e->type = next->arrayOf(); | |
| 1585 } | |
| 1586 else | |
| 1587 { | |
| 1588 e = Type::dotExp(sc, e, ident); | |
| 1589 } | |
| 1590 return e; | |
| 1591 } | |
| 1592 | |
| 1593 void TypeArray::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 1594 { | |
| 1595 #if 1 | |
| 1596 OutBuffer buf2; | |
| 1597 toPrettyBracket(&buf2, hgs); | |
| 1598 buf->prependstring(buf2.toChars()); | |
| 1599 if (ident) | |
| 1600 { | |
| 1601 buf->writeByte(' '); | |
| 1602 buf->writestring(ident->toChars()); | |
| 1603 } | |
| 1604 next->toCBuffer2(buf, NULL, hgs); | |
| 1605 #elif 1 | |
| 1606 // The D way | |
| 1607 Type *t; | |
| 1608 OutBuffer buf2; | |
| 1609 for (t = this; 1; t = t->next) | |
| 1610 { TypeArray *ta; | |
| 1611 | |
| 1612 ta = dynamic_cast<TypeArray *>(t); | |
| 1613 if (!ta) | |
| 1614 break; | |
| 1615 ta->toPrettyBracket(&buf2, hgs); | |
| 1616 } | |
| 1617 buf->prependstring(buf2.toChars()); | |
| 1618 if (ident) | |
| 1619 { | |
| 1620 buf2.writestring(ident->toChars()); | |
| 1621 } | |
| 1622 t->toCBuffer2(buf, NULL, hgs); | |
| 1623 #else | |
| 1624 // The C way | |
| 1625 if (buf->offset) | |
| 1626 { buf->bracket('(', ')'); | |
| 1627 assert(!ident); | |
| 1628 } | |
| 1629 else if (ident) | |
| 1630 buf->writestring(ident->toChars()); | |
| 1631 Type *t = this; | |
| 1632 do | |
| 1633 { Expression *dim; | |
| 1634 buf->writeByte('['); | |
| 1635 dim = ((TypeSArray *)t)->dim; | |
| 1636 if (dim) | |
| 1637 buf->printf("%lld", dim->toInteger()); | |
| 1638 buf->writeByte(']'); | |
| 1639 t = t->next; | |
| 1640 } while (t->ty == Tsarray); | |
| 1641 t->toCBuffer2(buf, NULL, hgs); | |
| 1642 #endif | |
| 1643 } | |
| 1644 | |
| 1645 | |
| 1646 /***************************** TypeSArray *****************************/ | |
| 1647 | |
| 1648 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1649 : TypeArray(Tsarray, t) | |
| 1650 { | |
| 1651 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1652 this->dim = dim; | |
| 1653 } | |
| 1654 | |
| 1655 Type *TypeSArray::syntaxCopy() | |
| 1656 { | |
| 1657 Type *t = next->syntaxCopy(); | |
| 1658 Expression *e = dim->syntaxCopy(); | |
| 1659 t = new TypeSArray(t, e); | |
| 1660 return t; | |
| 1661 } | |
| 1662 | |
| 1663 d_uns64 TypeSArray::size(Loc loc) | |
| 1664 { integer_t sz; | |
| 1665 | |
| 1666 if (!dim) | |
| 1667 return Type::size(loc); | |
| 1668 sz = dim->toInteger(); | |
| 1669 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1670 { | |
| 1671 if (sz + 31 < sz) | |
| 1672 goto Loverflow; | |
| 1673 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1674 } | |
| 1675 else | |
| 1676 { integer_t n, n2; | |
| 1677 | |
| 1678 n = next->size(); | |
| 1679 n2 = n * sz; | |
| 1680 if (n && (n2 / n) != sz) | |
| 1681 goto Loverflow; | |
| 1682 sz = n2; | |
| 1683 } | |
| 1684 return sz; | |
| 1685 | |
| 1686 Loverflow: | |
| 1687 error(loc, "index %jd overflow for static array", sz); | |
| 1688 return 1; | |
| 1689 } | |
| 1690 | |
| 1691 unsigned TypeSArray::alignsize() | |
| 1692 { | |
| 1693 return next->alignsize(); | |
| 1694 } | |
| 1695 | |
| 1696 /************************** | |
| 1697 * This evaluates exp while setting length to be the number | |
| 1698 * of elements in the tuple t. | |
| 1699 */ | |
| 1700 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1701 { | |
| 1702 if (t->ty == Ttuple) | |
| 1703 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1704 sym->parent = sc->scopesym; | |
| 1705 sc = sc->push(sym); | |
| 1706 | |
| 1707 exp = exp->semantic(sc); | |
| 1708 | |
| 1709 sc->pop(); | |
| 1710 } | |
| 1711 else | |
| 1712 exp = exp->semantic(sc); | |
| 1713 return exp; | |
| 1714 } | |
| 1715 | |
| 1716 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1717 { | |
| 1718 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1719 sym->parent = sc->scopesym; | |
| 1720 sc = sc->push(sym); | |
| 1721 | |
| 1722 exp = exp->semantic(sc); | |
| 1723 | |
| 1724 sc->pop(); | |
| 1725 return exp; | |
| 1726 } | |
| 1727 | |
| 1728 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1729 { | |
| 1730 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1731 next->resolve(loc, sc, pe, pt, ps); | |
| 1732 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1733 if (*pe) | |
| 1734 { // It's really an index expression | |
| 1735 Expression *e; | |
| 1736 e = new IndexExp(loc, *pe, dim); | |
| 1737 *pe = e; | |
| 1738 } | |
| 1739 else if (*ps) | |
| 1740 { Dsymbol *s = *ps; | |
| 1741 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1742 if (td) | |
| 1743 { | |
| 1744 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1745 sym->parent = sc->scopesym; | |
| 1746 sc = sc->push(sym); | |
| 1747 | |
| 1748 dim = dim->semantic(sc); | |
| 1749 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1750 uinteger_t d = dim->toUInteger(); | |
| 1751 | |
| 1752 sc = sc->pop(); | |
| 1753 | |
| 1754 if (d >= td->objects->dim) | |
| 1755 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1756 goto Ldefault; | |
| 1757 } | |
| 1758 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1759 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1760 { | |
| 1761 *ps = (Dsymbol *)o; | |
| 1762 return; | |
| 1763 } | |
| 1764 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1765 { | |
| 1766 *ps = NULL; | |
| 1767 *pe = (Expression *)o; | |
| 1768 return; | |
| 1769 } | |
| 1770 | |
| 1771 /* Create a new TupleDeclaration which | |
| 1772 * is a slice [d..d+1] out of the old one. | |
| 1773 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1774 * can handle unresolved Objects this way. | |
| 1775 */ | |
| 1776 Objects *objects = new Objects; | |
| 1777 objects->setDim(1); | |
| 1778 objects->data[0] = o; | |
| 1779 | |
| 1780 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1781 *ps = tds; | |
| 1782 } | |
| 1783 else | |
| 1784 goto Ldefault; | |
| 1785 } | |
| 1786 else | |
| 1787 { | |
| 1788 Ldefault: | |
| 1789 Type::resolve(loc, sc, pe, pt, ps); | |
| 1790 } | |
| 1791 } | |
| 1792 | |
| 1793 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1794 { | |
| 1795 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1796 | |
| 1797 Type *t; | |
| 1798 Expression *e; | |
| 1799 Dsymbol *s; | |
| 1800 next->resolve(loc, sc, &e, &t, &s); | |
| 1801 if (dim && s && s->isTupleDeclaration()) | |
| 1802 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1803 | |
| 1804 dim = semanticLength(sc, sd, dim); | |
| 1805 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1806 uinteger_t d = dim->toUInteger(); | |
| 1807 | |
| 1808 if (d >= sd->objects->dim) | |
| 1809 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1810 return Type::terror; | |
| 1811 } | |
| 1812 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1813 if (o->dyncast() != DYNCAST_TYPE) | |
| 1814 { error(loc, "%s is not a type", toChars()); | |
| 1815 return Type::terror; | |
| 1816 } | |
| 1817 t = (Type *)o; | |
| 1818 return t; | |
| 1819 } | |
| 1820 | |
| 1821 next = next->semantic(loc,sc); | |
| 1822 Type *tbn = next->toBasetype(); | |
| 1823 | |
| 1824 if (dim) | |
| 1825 { integer_t n, n2; | |
| 1826 | |
| 1827 dim = semanticLength(sc, tbn, dim); | |
| 1828 | |
| 1829 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 92 | 1830 if (sc->parameterSpecialization && dim->op == TOKvar && |
| 1831 ((VarExp *)dim)->var->storage_class & STCtemplateparameter) | |
| 1832 { | |
| 1833 /* It could be a template parameter N which has no value yet: | |
| 1834 * template Foo(T : T[N], size_t N); | |
| 1835 */ | |
| 1836 return this; | |
| 1837 } | |
| 1 | 1838 integer_t d1 = dim->toInteger(); |
| 1839 dim = dim->castTo(sc, tsize_t); | |
| 1840 dim = dim->optimize(WANTvalue); | |
| 1841 integer_t d2 = dim->toInteger(); | |
| 1842 | |
| 1843 if (d1 != d2) | |
| 1844 goto Loverflow; | |
| 1845 | |
| 1846 if (tbn->isintegral() || | |
| 1847 tbn->isfloating() || | |
| 1848 tbn->ty == Tpointer || | |
| 1849 tbn->ty == Tarray || | |
| 1850 tbn->ty == Tsarray || | |
| 1851 tbn->ty == Taarray || | |
| 1852 tbn->ty == Tclass) | |
| 1853 { | |
| 1854 /* Only do this for types that don't need to have semantic() | |
| 1855 * run on them for the size, since they may be forward referenced. | |
| 1856 */ | |
| 1857 n = tbn->size(loc); | |
| 1858 n2 = n * d2; | |
| 1859 if ((int)n2 < 0) | |
| 1860 goto Loverflow; | |
| 1861 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1862 goto Loverflow; | |
| 1863 if (n && n2 / n != d2) | |
| 1864 { | |
| 1865 Loverflow: | |
| 1866 error(loc, "index %jd overflow for static array", d1); | |
| 1867 dim = new IntegerExp(0, 1, tsize_t); | |
| 1868 } | |
| 1869 } | |
| 1870 } | |
| 1871 switch (tbn->ty) | |
| 1872 { | |
| 1873 case Ttuple: | |
| 1874 { // Index the tuple to get the type | |
| 1875 assert(dim); | |
| 1876 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1877 uinteger_t d = dim->toUInteger(); | |
| 1878 | |
| 1879 if (d >= tt->arguments->dim) | |
| 1880 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1881 return Type::terror; | |
| 1882 } | |
| 1883 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1884 return arg->type; | |
| 1885 } | |
| 1886 case Tfunction: | |
| 1887 case Tnone: | |
| 1888 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1889 tbn = next = tint32; | |
| 1890 break; | |
| 1891 } | |
| 1892 if (tbn->isauto()) | |
| 1893 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1894 return merge(); | |
| 1895 } | |
| 1896 | |
| 1897 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1898 { | |
| 1899 buf->writeByte(mangleChar[ty]); | |
| 1900 if (dim) | |
| 1901 buf->printf("%ju", dim->toInteger()); | |
| 1902 if (next) | |
| 1903 next->toDecoBuffer(buf); | |
| 1904 } | |
| 1905 | |
| 1906 void TypeSArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 1907 { | |
| 1908 buf->writeByte(mangleChar[Tarray]); | |
| 1909 if (next) | |
| 1910 next->toTypeInfoBuffer(buf); | |
| 1911 } | |
| 1912 | |
| 1913 void TypeSArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 1914 { | |
| 1915 buf->printf("[%s]", dim->toChars()); | |
| 1916 } | |
| 1917 | |
| 1918 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1919 { | |
| 1920 #if LOGDOTEXP | |
| 1921 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1922 #endif | |
| 1923 if (ident == Id::length) | |
| 1924 { | |
| 1925 e = dim; | |
| 1926 } | |
| 1927 else if (ident == Id::ptr) | |
| 1928 { | |
| 1929 e = e->castTo(sc, next->pointerTo()); | |
| 1930 } | |
| 1931 else | |
| 1932 { | |
| 1933 e = TypeArray::dotExp(sc, e, ident); | |
| 1934 } | |
| 1935 return e; | |
| 1936 } | |
| 1937 | |
| 1938 int TypeSArray::isString() | |
| 1939 { | |
| 1940 TY nty = next->toBasetype()->ty; | |
| 1941 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1942 } | |
| 1943 | |
| 1944 unsigned TypeSArray::memalign(unsigned salign) | |
| 1945 { | |
| 1946 return next->memalign(salign); | |
| 1947 } | |
| 1948 | |
| 1949 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1950 { | |
| 1951 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1952 | |
| 1953 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1954 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1955 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1956 /*|| to->next->isBaseOf(next)*/)) | |
| 1957 { | |
| 1958 return MATCHconvert; | |
| 1959 } | |
| 1960 if (to->ty == Tarray) | |
| 1961 { int offset = 0; | |
| 1962 | |
| 1963 if (next->equals(to->next) || | |
| 1964 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1965 to->next->ty == Tvoid) | |
| 1966 return MATCHconvert; | |
| 1967 } | |
| 1968 #if 0 | |
| 1969 if (to->ty == Tsarray) | |
| 1970 { | |
| 1971 TypeSArray *tsa = (TypeSArray *)to; | |
| 1972 | |
| 1973 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1974 { | |
| 1975 return MATCHconvert; | |
| 1976 } | |
| 1977 } | |
| 1978 #endif | |
| 1979 return Type::implicitConvTo(to); | |
| 1980 } | |
| 1981 | |
| 92 | 1982 Expression *TypeSArray::defaultInit(Loc loc) |
| 1 | 1983 { |
| 1984 #if LOGDEFAULTINIT | |
| 1985 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1986 #endif | |
| 92 | 1987 return next->defaultInit(loc); |
| 1 | 1988 } |
| 1989 | |
| 1990 int TypeSArray::isZeroInit() | |
| 1991 { | |
| 1992 return next->isZeroInit(); | |
| 1993 } | |
| 1994 | |
| 1995 | |
| 1996 Expression *TypeSArray::toExpression() | |
| 1997 { | |
| 1998 Expression *e = next->toExpression(); | |
| 1999 if (e) | |
| 2000 { Expressions *arguments = new Expressions(); | |
| 2001 arguments->push(dim); | |
| 2002 e = new ArrayExp(dim->loc, e, arguments); | |
| 2003 } | |
| 2004 return e; | |
| 2005 } | |
| 2006 | |
| 2007 int TypeSArray::hasPointers() | |
| 2008 { | |
| 2009 return next->hasPointers(); | |
| 2010 } | |
| 2011 | |
| 2012 /***************************** TypeDArray *****************************/ | |
| 2013 | |
| 2014 TypeDArray::TypeDArray(Type *t) | |
| 2015 : TypeArray(Tarray, t) | |
| 2016 { | |
| 2017 //printf("TypeDArray(t = %p)\n", t); | |
| 2018 } | |
| 2019 | |
| 2020 Type *TypeDArray::syntaxCopy() | |
| 2021 { | |
| 2022 Type *t = next->syntaxCopy(); | |
| 2023 if (t == next) | |
| 2024 t = this; | |
| 2025 else | |
| 2026 t = new TypeDArray(t); | |
| 2027 return t; | |
| 2028 } | |
| 2029 | |
| 2030 d_uns64 TypeDArray::size(Loc loc) | |
| 2031 { | |
| 2032 //printf("TypeDArray::size()\n"); | |
| 2033 return PTRSIZE * 2; | |
| 2034 } | |
| 2035 | |
| 2036 unsigned TypeDArray::alignsize() | |
| 2037 { | |
| 2038 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 2039 // boundary | |
| 2040 return PTRSIZE; | |
| 2041 } | |
| 2042 | |
| 2043 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2044 { Type *tn = next; | |
| 2045 | |
| 2046 tn = next->semantic(loc,sc); | |
| 2047 Type *tbn = tn->toBasetype(); | |
| 2048 switch (tbn->ty) | |
| 2049 { | |
| 2050 case Tfunction: | |
| 2051 case Tnone: | |
| 2052 case Ttuple: | |
| 2053 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2054 tn = next = tint32; | |
| 2055 break; | |
| 2056 } | |
| 2057 if (tn->isauto()) | |
| 2058 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2059 if (next != tn) | |
| 2060 //deco = NULL; // redo | |
| 2061 return tn->arrayOf(); | |
| 2062 return merge(); | |
| 2063 } | |
| 2064 | |
| 2065 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2066 { | |
| 2067 buf->writeByte(mangleChar[ty]); | |
| 2068 if (next) | |
| 2069 next->toDecoBuffer(buf); | |
| 2070 } | |
| 2071 | |
| 2072 void TypeDArray::toTypeInfoBuffer(OutBuffer *buf) | |
| 2073 { | |
| 2074 buf->writeByte(mangleChar[ty]); | |
| 2075 if (next) | |
| 2076 next->toTypeInfoBuffer(buf); | |
| 2077 } | |
| 2078 | |
| 2079 void TypeDArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2080 { | |
| 2081 buf->writestring("[]"); | |
| 2082 } | |
| 2083 | |
| 2084 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2085 { | |
| 2086 #if LOGDOTEXP | |
| 2087 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2088 #endif | |
| 2089 if (ident == Id::length) | |
| 2090 { | |
| 2091 if (e->op == TOKstring) | |
| 2092 { StringExp *se = (StringExp *)e; | |
| 2093 | |
| 2094 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2095 } | |
| 2096 e = new ArrayLengthExp(e->loc, e); | |
| 2097 e->type = Type::tsize_t; | |
| 2098 return e; | |
| 2099 } | |
| 2100 else if (ident == Id::ptr) | |
| 2101 { | |
| 2102 e = e->castTo(sc, next->pointerTo()); | |
| 2103 return e; | |
| 2104 } | |
| 2105 else | |
| 2106 { | |
| 2107 e = TypeArray::dotExp(sc, e, ident); | |
| 2108 } | |
| 2109 return e; | |
| 2110 } | |
| 2111 | |
| 2112 int TypeDArray::isString() | |
| 2113 { | |
| 2114 TY nty = next->toBasetype()->ty; | |
| 2115 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2116 } | |
| 2117 | |
| 2118 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2119 { | |
| 2120 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2121 | |
| 2122 // Allow implicit conversion of array to pointer | |
| 2123 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2124 to->ty == Tpointer && | |
| 2125 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2126 { | |
| 2127 return MATCHconvert; | |
| 2128 } | |
| 2129 | |
| 2130 if (to->ty == Tarray) | |
| 2131 { int offset = 0; | |
| 2132 | |
| 2133 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2134 to->next->ty == Tvoid) | |
| 2135 return MATCHconvert; | |
| 2136 } | |
| 2137 return Type::implicitConvTo(to); | |
| 2138 } | |
| 2139 | |
| 92 | 2140 Expression *TypeDArray::defaultInit(Loc loc) |
| 1 | 2141 { |
| 2142 #if LOGDEFAULTINIT | |
| 2143 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2144 #endif | |
| 2145 Expression *e; | |
| 92 | 2146 e = new NullExp(loc); |
| 1 | 2147 e->type = this; |
| 2148 return e; | |
| 2149 } | |
| 2150 | |
| 2151 int TypeDArray::isZeroInit() | |
| 2152 { | |
| 2153 return 1; | |
| 2154 } | |
| 2155 | |
| 2156 int TypeDArray::checkBoolean() | |
| 2157 { | |
| 2158 return TRUE; | |
| 2159 } | |
| 2160 | |
| 2161 int TypeDArray::hasPointers() | |
| 2162 { | |
| 2163 return TRUE; | |
| 2164 } | |
| 2165 | |
| 2166 /***************************** TypeAArray *****************************/ | |
| 2167 | |
| 2168 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2169 : TypeArray(Taarray, t) | |
| 2170 { | |
| 2171 this->index = index; | |
| 2172 this->key = NULL; | |
| 2173 } | |
| 2174 | |
| 2175 Type *TypeAArray::syntaxCopy() | |
| 2176 { | |
| 2177 Type *t = next->syntaxCopy(); | |
| 2178 Type *ti = index->syntaxCopy(); | |
| 2179 if (t == next && ti == index) | |
| 2180 t = this; | |
| 2181 else | |
| 2182 t = new TypeAArray(t, ti); | |
| 2183 return t; | |
| 2184 } | |
| 2185 | |
| 2186 d_uns64 TypeAArray::size(Loc loc) | |
| 2187 { | |
| 2188 return PTRSIZE /* * 2*/; | |
| 2189 } | |
| 2190 | |
| 2191 | |
| 2192 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2193 { | |
| 2194 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2195 | |
| 2196 // Deal with the case where we thought the index was a type, but | |
| 2197 // in reality it was an expression. | |
| 2198 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2199 { | |
| 2200 Expression *e; | |
| 2201 Type *t; | |
| 2202 Dsymbol *s; | |
| 2203 | |
| 2204 index->resolve(loc, sc, &e, &t, &s); | |
| 2205 if (e) | |
| 2206 { // It was an expression - | |
| 2207 // Rewrite as a static array | |
| 2208 TypeSArray *tsa; | |
| 2209 | |
| 2210 tsa = new TypeSArray(next, e); | |
| 2211 return tsa->semantic(loc,sc); | |
| 2212 } | |
| 2213 else if (t) | |
| 2214 index = t; | |
| 2215 else | |
| 2216 index->error(loc, "index is not a type or an expression"); | |
| 2217 } | |
| 2218 else | |
| 2219 index = index->semantic(loc,sc); | |
| 2220 | |
| 2221 // Compute key type; the purpose of the key type is to | |
| 2222 // minimize the permutations of runtime library | |
| 2223 // routines as much as possible. | |
| 2224 key = index->toBasetype(); | |
| 2225 switch (key->ty) | |
| 2226 { | |
| 2227 #if 0 | |
| 2228 case Tint8: | |
| 2229 case Tuns8: | |
| 2230 case Tint16: | |
| 2231 case Tuns16: | |
| 2232 key = tint32; | |
| 2233 break; | |
| 2234 #endif | |
| 2235 | |
| 2236 case Tsarray: | |
| 2237 #if 0 | |
| 2238 // Convert to Tarray | |
| 2239 key = key->next->arrayOf(); | |
| 2240 #endif | |
| 2241 break; | |
| 2242 case Tbit: | |
| 2243 case Tbool: | |
| 2244 case Tfunction: | |
| 2245 case Tvoid: | |
| 2246 case Tnone: | |
| 2247 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2248 break; | |
| 2249 } | |
| 2250 next = next->semantic(loc,sc); | |
| 2251 switch (next->toBasetype()->ty) | |
| 2252 { | |
| 2253 case Tfunction: | |
| 2254 case Tnone: | |
| 2255 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2256 break; | |
| 2257 } | |
| 2258 if (next->isauto()) | |
| 2259 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2260 | |
| 2261 return merge(); | |
| 2262 } | |
| 2263 | |
| 2264 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2265 { | |
| 2266 #if LOGDOTEXP | |
| 2267 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2268 #endif | |
| 2269 if (ident == Id::length) | |
| 2270 { | |
| 2271 Expression *ec; | |
| 2272 FuncDeclaration *fd; | |
| 2273 Expressions *arguments; | |
| 2274 | |
| 2275 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 127 | 2276 fd->llvmRunTimeHack = true; |
| 1 | 2277 ec = new VarExp(0, fd); |
| 2278 arguments = new Expressions(); | |
| 2279 arguments->push(e); | |
| 2280 e = new CallExp(e->loc, ec, arguments); | |
| 2281 e->type = fd->type->next; | |
| 2282 } | |
| 2283 else if (ident == Id::keys) | |
| 2284 { | |
| 2285 Expression *ec; | |
| 2286 FuncDeclaration *fd; | |
| 2287 Expressions *arguments; | |
| 2288 int size = key->size(e->loc); | |
| 2289 | |
| 2290 assert(size); | |
| 127 | 2291 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaKeys); |
| 2292 fd->llvmRunTimeHack = true; | |
| 1 | 2293 ec = new VarExp(0, fd); |
| 2294 arguments = new Expressions(); | |
| 2295 arguments->push(e); | |
| 2296 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2297 e = new CallExp(e->loc, ec, arguments); | |
| 2298 e->type = index->arrayOf(); | |
| 2299 } | |
| 2300 else if (ident == Id::values) | |
| 2301 { | |
| 2302 Expression *ec; | |
| 2303 FuncDeclaration *fd; | |
| 2304 Expressions *arguments; | |
| 2305 | |
| 127 | 2306 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaValues); |
| 2307 fd->llvmRunTimeHack = true; | |
| 1 | 2308 ec = new VarExp(0, fd); |
| 2309 arguments = new Expressions(); | |
| 2310 arguments->push(e); | |
| 2311 size_t keysize = key->size(e->loc); | |
| 127 | 2312 keysize = (keysize + 4 - 1) & ~(4 - 1); |
| 1 | 2313 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); |
| 2314 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2315 e = new CallExp(e->loc, ec, arguments); | |
| 2316 e->type = next->arrayOf(); | |
| 2317 } | |
| 2318 else if (ident == Id::rehash) | |
| 2319 { | |
| 2320 Expression *ec; | |
| 2321 FuncDeclaration *fd; | |
| 2322 Expressions *arguments; | |
| 2323 | |
| 127 | 2324 fd = FuncDeclaration::genCfunc(Type::tvoid->pointerTo(), Id::aaRehash); |
| 2325 fd->llvmRunTimeHack = true; | |
| 1 | 2326 ec = new VarExp(0, fd); |
| 2327 arguments = new Expressions(); | |
| 2328 arguments->push(e->addressOf(sc)); | |
| 2329 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2330 e = new CallExp(e->loc, ec, arguments); | |
| 2331 e->type = this; | |
| 2332 } | |
| 2333 else | |
| 2334 { | |
| 2335 e = Type::dotExp(sc, e, ident); | |
| 2336 } | |
| 2337 return e; | |
| 2338 } | |
| 2339 | |
| 2340 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2341 { | |
| 2342 buf->writeByte(mangleChar[ty]); | |
| 2343 index->toDecoBuffer(buf); | |
| 2344 next->toDecoBuffer(buf); | |
| 2345 } | |
| 2346 | |
| 2347 void TypeAArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs) | |
| 2348 { | |
| 2349 buf->writeByte('['); | |
| 2350 { OutBuffer ibuf; | |
| 2351 | |
| 2352 index->toCBuffer2(&ibuf, NULL, hgs); | |
| 2353 buf->write(&ibuf); | |
| 2354 } | |
| 2355 buf->writeByte(']'); | |
| 2356 } | |
| 2357 | |
| 92 | 2358 Expression *TypeAArray::defaultInit(Loc loc) |
| 1 | 2359 { |
| 2360 #if LOGDEFAULTINIT | |
| 2361 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2362 #endif | |
| 2363 Expression *e; | |
| 92 | 2364 e = new NullExp(loc); |
| 1 | 2365 e->type = this; |
| 2366 return e; | |
| 2367 } | |
| 2368 | |
| 2369 int TypeAArray::checkBoolean() | |
| 2370 { | |
| 2371 return TRUE; | |
| 2372 } | |
| 2373 | |
| 2374 int TypeAArray::hasPointers() | |
| 2375 { | |
| 2376 return TRUE; | |
| 2377 } | |
| 2378 | |
| 2379 /***************************** TypePointer *****************************/ | |
| 2380 | |
| 2381 TypePointer::TypePointer(Type *t) | |
| 2382 : Type(Tpointer, t) | |
| 2383 { | |
| 2384 } | |
| 2385 | |
| 2386 Type *TypePointer::syntaxCopy() | |
| 2387 { | |
| 2388 Type *t = next->syntaxCopy(); | |
| 2389 if (t == next) | |
| 2390 t = this; | |
| 2391 else | |
| 2392 t = new TypePointer(t); | |
| 2393 return t; | |
| 2394 } | |
| 2395 | |
| 2396 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2397 { | |
| 2398 //printf("TypePointer::semantic()\n"); | |
| 2399 Type *n = next->semantic(loc, sc); | |
| 2400 switch (n->toBasetype()->ty) | |
| 2401 { | |
| 2402 case Ttuple: | |
| 2403 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2404 n = tint32; | |
| 2405 break; | |
| 2406 } | |
| 2407 if (n != next) | |
| 2408 deco = NULL; | |
| 2409 next = n; | |
| 2410 return merge(); | |
| 2411 } | |
| 2412 | |
| 2413 | |
| 2414 d_uns64 TypePointer::size(Loc loc) | |
| 2415 { | |
| 2416 return PTRSIZE; | |
| 2417 } | |
| 2418 | |
| 2419 void TypePointer::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2420 { | |
| 2421 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2422 buf->prependstring("*"); | |
| 2423 if (ident) | |
| 2424 { | |
| 2425 buf->writeByte(' '); | |
| 2426 buf->writestring(ident->toChars()); | |
| 2427 } | |
| 2428 next->toCBuffer2(buf, NULL, hgs); | |
| 2429 } | |
| 2430 | |
| 2431 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2432 { | |
| 2433 //printf("TypePointer::implicitConvTo()\n"); | |
| 2434 | |
| 2435 if (this == to) | |
| 2436 return MATCHexact; | |
| 2437 if (to->ty == Tpointer && to->next) | |
| 2438 { | |
| 2439 if (to->next->ty == Tvoid) | |
| 2440 return MATCHconvert; | |
| 2441 | |
| 2442 #if 0 | |
| 2443 if (to->next->isBaseOf(next)) | |
| 2444 return MATCHconvert; | |
| 2445 #endif | |
| 2446 | |
| 2447 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2448 { TypeFunction *tf; | |
| 2449 TypeFunction *tfto; | |
| 2450 | |
| 2451 tf = (TypeFunction *)(next); | |
| 2452 tfto = (TypeFunction *)(to->next); | |
| 2453 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2454 } | |
| 2455 } | |
| 2456 // if (to->ty == Tvoid) | |
| 2457 // return MATCHconvert; | |
| 2458 return MATCHnomatch; | |
| 2459 } | |
| 2460 | |
| 2461 int TypePointer::isscalar() | |
| 2462 { | |
| 2463 return TRUE; | |
| 2464 } | |
| 2465 | |
| 92 | 2466 Expression *TypePointer::defaultInit(Loc loc) |
| 1 | 2467 { |
| 2468 #if LOGDEFAULTINIT | |
| 2469 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2470 #endif | |
| 2471 Expression *e; | |
| 92 | 2472 e = new NullExp(loc); |
| 1 | 2473 e->type = this; |
| 2474 return e; | |
| 2475 } | |
| 2476 | |
| 2477 int TypePointer::isZeroInit() | |
| 2478 { | |
| 2479 return 1; | |
| 2480 } | |
| 2481 | |
| 2482 int TypePointer::hasPointers() | |
| 2483 { | |
| 2484 return TRUE; | |
| 2485 } | |
| 2486 | |
| 2487 | |
| 2488 /***************************** TypeReference *****************************/ | |
| 2489 | |
| 2490 TypeReference::TypeReference(Type *t) | |
| 2491 : Type(Treference, t) | |
| 2492 { | |
| 2493 if (t->ty == Tbit) | |
| 2494 error(0,"cannot make reference to a bit"); | |
| 2495 // BUG: what about references to static arrays? | |
| 2496 } | |
| 2497 | |
| 2498 Type *TypeReference::syntaxCopy() | |
| 2499 { | |
| 2500 Type *t = next->syntaxCopy(); | |
| 2501 if (t == next) | |
| 2502 t = this; | |
| 2503 else | |
| 2504 t = new TypeReference(t); | |
| 2505 return t; | |
| 2506 } | |
| 2507 | |
| 2508 d_uns64 TypeReference::size(Loc loc) | |
| 2509 { | |
| 2510 return PTRSIZE; | |
| 2511 } | |
| 2512 | |
| 2513 void TypeReference::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2514 { | |
| 2515 buf->prependstring("&"); | |
| 2516 if (ident) | |
| 2517 { | |
| 2518 buf->writestring(ident->toChars()); | |
| 2519 } | |
| 2520 next->toCBuffer2(buf, NULL, hgs); | |
| 2521 } | |
| 2522 | |
| 2523 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2524 { | |
| 2525 #if LOGDOTEXP | |
| 2526 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2527 #endif | |
| 2528 | |
| 2529 // References just forward things along | |
| 2530 return next->dotExp(sc, e, ident); | |
| 2531 } | |
| 2532 | |
| 92 | 2533 Expression *TypeReference::defaultInit(Loc loc) |
| 1 | 2534 { |
| 2535 #if LOGDEFAULTINIT | |
| 2536 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2537 #endif | |
| 2538 Expression *e; | |
| 92 | 2539 e = new NullExp(loc); |
| 1 | 2540 e->type = this; |
| 2541 return e; | |
| 2542 } | |
| 2543 | |
| 2544 int TypeReference::isZeroInit() | |
| 2545 { | |
| 2546 return 1; | |
| 2547 } | |
| 2548 | |
| 2549 | |
| 2550 /***************************** TypeFunction *****************************/ | |
| 2551 | |
| 2552 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2553 : Type(Tfunction, treturn) | |
| 2554 { | |
| 2555 //if (!treturn) *(char*)0=0; | |
| 2556 // assert(treturn); | |
| 2557 this->parameters = parameters; | |
| 2558 this->varargs = varargs; | |
| 2559 this->linkage = linkage; | |
| 2560 this->inuse = 0; | |
| 2561 this->llvmRetInPtr = false; | |
| 9 | 2562 this->llvmUsesThis = false; |
| 1 | 2563 } |
| 2564 | |
| 2565 Type *TypeFunction::syntaxCopy() | |
| 2566 { | |
| 2567 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2568 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
| 2569 Type *t = new TypeFunction(params, treturn, varargs, linkage); | |
| 2570 return t; | |
| 2571 } | |
| 2572 | |
| 2573 /******************************* | |
| 2574 * Returns: | |
| 2575 * 0 types are distinct | |
| 2576 * 1 this is covariant with t | |
| 2577 * 2 arguments match as far as overloading goes, | |
| 2578 * but types are not covariant | |
| 2579 * 3 cannot determine covariance because of forward references | |
| 2580 */ | |
| 2581 | |
| 2582 int Type::covariant(Type *t) | |
| 2583 { | |
| 2584 #if 0 | |
| 2585 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2586 printf("deco = %p, %p\n", deco, t->deco); | |
| 2587 printf("ty = %d\n", next->ty); | |
| 2588 #endif | |
| 2589 | |
| 2590 int inoutmismatch = 0; | |
| 2591 | |
| 2592 if (equals(t)) | |
| 2593 goto Lcovariant; | |
| 2594 if (ty != Tfunction || t->ty != Tfunction) | |
| 2595 goto Ldistinct; | |
| 2596 | |
| 2597 { | |
| 2598 TypeFunction *t1 = (TypeFunction *)this; | |
| 2599 TypeFunction *t2 = (TypeFunction *)t; | |
| 2600 | |
| 2601 if (t1->varargs != t2->varargs) | |
| 2602 goto Ldistinct; | |
| 2603 | |
| 2604 if (t1->parameters && t2->parameters) | |
| 2605 { | |
| 2606 size_t dim = Argument::dim(t1->parameters); | |
| 2607 if (dim != Argument::dim(t2->parameters)) | |
| 2608 goto Ldistinct; | |
| 2609 | |
| 2610 for (size_t i = 0; i < dim; i++) | |
| 2611 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2612 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2613 | |
| 2614 if (!arg1->type->equals(arg2->type)) | |
| 2615 goto Ldistinct; | |
| 2616 if (arg1->storageClass != arg2->storageClass) | |
| 2617 inoutmismatch = 1; | |
| 2618 } | |
| 2619 } | |
| 2620 else if (t1->parameters != t2->parameters) | |
| 2621 goto Ldistinct; | |
| 2622 | |
| 2623 // The argument lists match | |
| 2624 if (inoutmismatch) | |
| 2625 goto Lnotcovariant; | |
| 2626 if (t1->linkage != t2->linkage) | |
| 2627 goto Lnotcovariant; | |
| 2628 | |
| 2629 Type *t1n = t1->next; | |
| 2630 Type *t2n = t2->next; | |
| 2631 | |
| 2632 if (t1n->equals(t2n)) | |
| 2633 goto Lcovariant; | |
| 2634 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2635 goto Lnotcovariant; | |
| 2636 | |
| 2637 // If t1n is forward referenced: | |
| 2638 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2639 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2640 { | |
| 2641 return 3; | |
| 2642 } | |
| 2643 | |
| 2644 if (t1n->implicitConvTo(t2n)) | |
| 2645 goto Lcovariant; | |
| 2646 goto Lnotcovariant; | |
| 2647 } | |
| 2648 | |
| 2649 Lcovariant: | |
| 2650 //printf("\tcovaraint: 1\n"); | |
| 2651 return 1; | |
| 2652 | |
| 2653 Ldistinct: | |
| 2654 //printf("\tcovaraint: 0\n"); | |
| 2655 return 0; | |
| 2656 | |
| 2657 Lnotcovariant: | |
| 2658 //printf("\tcovaraint: 2\n"); | |
| 2659 return 2; | |
| 2660 } | |
| 2661 | |
| 2662 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2663 { unsigned char mc; | |
| 2664 | |
| 2665 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2666 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2667 if (inuse) | |
| 2668 { inuse = 2; // flag error to caller | |
| 2669 return; | |
| 2670 } | |
| 2671 inuse++; | |
| 2672 switch (linkage) | |
| 2673 { | |
| 2674 case LINKd: mc = 'F'; break; | |
| 2675 case LINKc: mc = 'U'; break; | |
| 2676 case LINKwindows: mc = 'W'; break; | |
| 2677 case LINKpascal: mc = 'V'; break; | |
| 2678 case LINKcpp: mc = 'R'; break; | |
| 2679 default: | |
| 2680 assert(0); | |
| 2681 } | |
| 2682 buf->writeByte(mc); | |
| 2683 // Write argument types | |
| 2684 Argument::argsToDecoBuffer(buf, parameters); | |
| 2685 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2686 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2687 next->toDecoBuffer(buf); | |
| 2688 inuse--; | |
| 2689 } | |
| 2690 | |
| 2691 void TypeFunction::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2692 { | |
| 2693 char *p = NULL; | |
| 2694 | |
| 2695 if (inuse) | |
| 2696 { inuse = 2; // flag error to caller | |
| 2697 return; | |
| 2698 } | |
| 2699 inuse++; | |
| 2700 if (hgs->ddoc != 1) | |
| 2701 { | |
| 2702 switch (linkage) | |
| 2703 { | |
| 2704 case LINKd: p = NULL; break; | |
| 2705 case LINKc: p = "C "; break; | |
| 2706 case LINKwindows: p = "Windows "; break; | |
| 2707 case LINKpascal: p = "Pascal "; break; | |
| 2708 case LINKcpp: p = "C++ "; break; | |
| 2709 default: | |
| 2710 assert(0); | |
| 2711 } | |
| 2712 } | |
| 2713 | |
| 2714 if (buf->offset) | |
| 2715 { | |
| 2716 if (!hgs->hdrgen && p) | |
| 2717 buf->prependstring(p); | |
| 2718 buf->bracket('(', ')'); | |
| 2719 assert(!ident); | |
| 2720 } | |
| 2721 else | |
| 2722 { | |
| 2723 if (!hgs->hdrgen && p) | |
| 2724 buf->writestring(p); | |
| 2725 if (ident) | |
| 2726 { buf->writeByte(' '); | |
| 2727 buf->writestring(ident->toHChars2()); | |
| 2728 } | |
| 2729 } | |
| 2730 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2731 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2732 next->toCBuffer2(buf, NULL, hgs); | |
| 2733 inuse--; | |
| 2734 } | |
| 2735 | |
| 2736 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2737 { | |
| 2738 if (deco) // if semantic() already run | |
| 2739 { | |
| 2740 //printf("already done\n"); | |
| 2741 return this; | |
| 2742 } | |
| 2743 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2744 | |
| 2745 linkage = sc->linkage; | |
| 2746 if (!next) | |
| 2747 { | |
| 2748 assert(global.errors); | |
| 2749 next = tvoid; | |
| 2750 } | |
| 2751 next = next->semantic(loc,sc); | |
| 2752 if (next->toBasetype()->ty == Tsarray) | |
| 2753 { error(loc, "functions cannot return static array %s", next->toChars()); | |
| 2754 next = Type::terror; | |
| 2755 } | |
| 2756 if (next->toBasetype()->ty == Tfunction) | |
| 2757 { error(loc, "functions cannot return a function"); | |
| 2758 next = Type::terror; | |
| 2759 } | |
| 2760 if (next->toBasetype()->ty == Ttuple) | |
| 2761 { error(loc, "functions cannot return a tuple"); | |
| 2762 next = Type::terror; | |
| 2763 } | |
| 2764 if (next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2765 error(loc, "functions cannot return auto %s", next->toChars()); | |
| 2766 | |
| 2767 if (parameters) | |
| 2768 { size_t dim = Argument::dim(parameters); | |
| 2769 | |
| 2770 for (size_t i = 0; i < dim; i++) | |
| 2771 { Argument *arg = Argument::getNth(parameters, i); | |
| 2772 Type *t; | |
| 2773 | |
| 2774 inuse++; | |
| 2775 arg->type = arg->type->semantic(loc,sc); | |
| 2776 if (inuse == 1) inuse--; | |
| 2777 t = arg->type->toBasetype(); | |
| 2778 | |
| 2779 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2780 { | |
| 2781 if (t->ty == Tsarray) | |
| 2782 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2783 } | |
| 2784 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2785 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2786 | |
| 2787 if (arg->defaultArg) | |
| 2788 { | |
| 2789 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2790 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2791 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2792 } | |
| 2793 | |
| 2794 /* If arg turns out to be a tuple, the number of parameters may | |
| 2795 * change. | |
| 2796 */ | |
| 2797 if (t->ty == Ttuple) | |
| 2798 { dim = Argument::dim(parameters); | |
| 2799 i--; | |
| 2800 } | |
| 2801 } | |
| 2802 } | |
| 2803 deco = merge()->deco; | |
| 2804 | |
| 2805 if (inuse) | |
| 2806 { error(loc, "recursive type"); | |
| 2807 inuse = 0; | |
| 2808 return terror; | |
| 2809 } | |
| 2810 | |
| 2811 if (varargs == 1 && linkage != LINKd && Argument::dim(parameters) == 0) | |
| 2812 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2813 | |
| 2814 /* Don't return merge(), because arg identifiers and default args | |
| 2815 * can be different | |
| 2816 * even though the types match | |
| 2817 */ | |
| 2818 return this; | |
| 2819 } | |
| 2820 | |
| 2821 /******************************** | |
| 2822 * 'args' are being matched to function 'this' | |
| 2823 * Determine match level. | |
| 2824 * Returns: | |
| 2825 * MATCHxxxx | |
| 2826 */ | |
| 2827 | |
| 2828 int TypeFunction::callMatch(Expressions *args) | |
| 2829 { | |
| 2830 //printf("TypeFunction::callMatch()\n"); | |
| 2831 int match = MATCHexact; // assume exact match | |
| 2832 | |
| 2833 size_t nparams = Argument::dim(parameters); | |
| 2834 size_t nargs = args ? args->dim : 0; | |
| 2835 if (nparams == nargs) | |
| 2836 ; | |
| 2837 else if (nargs > nparams) | |
| 2838 { | |
| 2839 if (varargs == 0) | |
| 2840 goto Nomatch; // too many args; no match | |
| 2841 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2842 } | |
| 2843 | |
| 2844 for (size_t u = 0; u < nparams; u++) | |
| 2845 { int m; | |
| 2846 Expression *arg; | |
| 2847 | |
| 2848 // BUG: what about out and ref? | |
| 2849 | |
| 2850 Argument *p = Argument::getNth(parameters, u); | |
| 2851 assert(p); | |
| 2852 if (u >= nargs) | |
| 2853 { | |
| 2854 if (p->defaultArg) | |
| 2855 continue; | |
| 2856 if (varargs == 2 && u + 1 == nparams) | |
| 2857 goto L1; | |
| 2858 goto Nomatch; // not enough arguments | |
| 2859 } | |
| 2860 arg = (Expression *)args->data[u]; | |
| 2861 assert(arg); | |
| 2862 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2863 m = MATCHconvert; | |
| 2864 else | |
| 2865 m = arg->implicitConvTo(p->type); | |
| 2866 //printf("\tm = %d\n", m); | |
| 2867 if (m == MATCHnomatch) // if no match | |
| 2868 { | |
| 2869 L1: | |
| 2870 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2871 { Type *tb = p->type->toBasetype(); | |
| 2872 TypeSArray *tsa; | |
| 2873 integer_t sz; | |
| 2874 | |
| 2875 switch (tb->ty) | |
| 2876 { | |
| 2877 case Tsarray: | |
| 2878 tsa = (TypeSArray *)tb; | |
| 2879 sz = tsa->dim->toInteger(); | |
| 2880 if (sz != nargs - u) | |
| 2881 goto Nomatch; | |
| 2882 case Tarray: | |
| 2883 for (; u < nargs; u++) | |
| 2884 { | |
| 2885 arg = (Expression *)args->data[u]; | |
| 2886 assert(arg); | |
| 2887 #if 1 | |
| 2888 /* If lazy array of delegates, | |
| 2889 * convert arg(s) to delegate(s) | |
| 2890 */ | |
| 2891 Type *tret = p->isLazyArray(); | |
| 2892 if (tret) | |
| 2893 { | |
| 2894 if (tb->next->equals(arg->type)) | |
| 2895 { m = MATCHexact; | |
| 2896 } | |
| 2897 else | |
| 2898 { | |
| 2899 m = arg->implicitConvTo(tret); | |
| 2900 if (m == MATCHnomatch) | |
| 2901 { | |
| 2902 if (tret->toBasetype()->ty == Tvoid) | |
| 2903 m = MATCHconvert; | |
| 2904 } | |
| 2905 } | |
| 2906 } | |
| 2907 else | |
| 2908 m = arg->implicitConvTo(tb->next); | |
| 2909 #else | |
| 2910 m = arg->implicitConvTo(tb->next); | |
| 2911 #endif | |
| 2912 if (m == 0) | |
| 2913 goto Nomatch; | |
| 2914 if (m < match) | |
| 2915 match = m; | |
| 2916 } | |
| 2917 goto Ldone; | |
| 2918 | |
| 2919 case Tclass: | |
| 2920 // Should see if there's a constructor match? | |
| 2921 // Or just leave it ambiguous? | |
| 2922 goto Ldone; | |
| 2923 | |
| 2924 default: | |
| 2925 goto Nomatch; | |
| 2926 } | |
| 2927 } | |
| 2928 goto Nomatch; | |
| 2929 } | |
| 2930 if (m < match) | |
| 2931 match = m; // pick worst match | |
| 2932 } | |
| 2933 | |
| 2934 Ldone: | |
| 2935 //printf("match = %d\n", match); | |
| 2936 return match; | |
| 2937 | |
| 2938 Nomatch: | |
| 2939 //printf("no match\n"); | |
| 2940 return MATCHnomatch; | |
| 2941 } | |
| 2942 | |
| 2943 Type *TypeFunction::reliesOnTident() | |
| 2944 { | |
| 2945 if (parameters) | |
| 2946 { | |
| 2947 for (size_t i = 0; i < parameters->dim; i++) | |
| 2948 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2949 Type *t = arg->type->reliesOnTident(); | |
| 2950 if (t) | |
| 2951 return t; | |
| 2952 } | |
| 2953 } | |
| 2954 return next->reliesOnTident(); | |
| 2955 } | |
| 2956 | |
| 2957 /***************************** TypeDelegate *****************************/ | |
| 2958 | |
| 2959 TypeDelegate::TypeDelegate(Type *t) | |
| 2960 : Type(Tfunction, t) | |
| 2961 { | |
| 2962 ty = Tdelegate; | |
| 2963 } | |
| 2964 | |
| 2965 Type *TypeDelegate::syntaxCopy() | |
| 2966 { | |
| 2967 Type *t = next->syntaxCopy(); | |
| 2968 if (t == next) | |
| 2969 t = this; | |
| 2970 else | |
| 2971 t = new TypeDelegate(t); | |
| 2972 return t; | |
| 2973 } | |
| 2974 | |
| 2975 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2976 { | |
| 2977 if (deco) // if semantic() already run | |
| 2978 { | |
| 2979 //printf("already done\n"); | |
| 2980 return this; | |
| 2981 } | |
| 2982 next = next->semantic(loc,sc); | |
| 2983 return merge(); | |
| 2984 } | |
| 2985 | |
| 2986 d_uns64 TypeDelegate::size(Loc loc) | |
| 2987 { | |
| 2988 return PTRSIZE * 2; | |
| 2989 } | |
| 2990 | |
| 2991 void TypeDelegate::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2992 { | |
| 2993 #if 1 | |
| 2994 OutBuffer args; | |
| 2995 TypeFunction *tf = (TypeFunction *)next; | |
| 2996 | |
| 2997 Argument::argsToCBuffer(&args, hgs, tf->parameters, tf->varargs); | |
| 2998 buf->prependstring(args.toChars()); | |
| 2999 buf->prependstring(" delegate"); | |
| 3000 if (ident) | |
| 3001 { | |
| 3002 buf->writeByte(' '); | |
| 3003 buf->writestring(ident->toChars()); | |
| 3004 } | |
| 3005 next->next->toCBuffer2(buf, NULL, hgs); | |
| 3006 #else | |
| 3007 next->toCBuffer2(buf, Id::delegate, hgs); | |
| 3008 if (ident) | |
| 3009 { | |
| 3010 buf->writestring(ident->toChars()); | |
| 3011 } | |
| 3012 #endif | |
| 3013 } | |
| 3014 | |
| 92 | 3015 Expression *TypeDelegate::defaultInit(Loc loc) |
| 1 | 3016 { |
| 3017 #if LOGDEFAULTINIT | |
| 3018 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3019 #endif | |
| 3020 Expression *e; | |
| 92 | 3021 e = new NullExp(loc); |
| 1 | 3022 e->type = this; |
| 3023 return e; | |
| 3024 } | |
| 3025 | |
| 3026 int TypeDelegate::isZeroInit() | |
| 3027 { | |
| 3028 return 1; | |
| 3029 } | |
| 3030 | |
| 3031 int TypeDelegate::checkBoolean() | |
| 3032 { | |
| 3033 return TRUE; | |
| 3034 } | |
| 3035 | |
| 3036 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3037 { | |
| 3038 #if LOGDOTEXP | |
| 3039 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3040 #endif | |
| 3041 if (ident == Id::ptr) | |
| 3042 { | |
| 3043 e->type = tvoidptr; | |
| 3044 return e; | |
| 3045 } | |
| 3046 else if (ident == Id::funcptr) | |
| 3047 { | |
| 3048 e = e->addressOf(sc); | |
| 3049 e->type = tvoidptr; | |
| 3050 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3051 e->type = tvoidptr; | |
| 3052 e = new PtrExp(e->loc, e); | |
| 3053 e->type = next->pointerTo(); | |
| 3054 return e; | |
| 3055 } | |
| 3056 else | |
| 3057 { | |
| 3058 e = Type::dotExp(sc, e, ident); | |
| 3059 } | |
| 3060 return e; | |
| 3061 } | |
| 3062 | |
| 3063 int TypeDelegate::hasPointers() | |
| 3064 { | |
| 3065 return TRUE; | |
| 3066 } | |
| 3067 | |
| 3068 | |
| 3069 | |
| 3070 /***************************** TypeQualified *****************************/ | |
| 3071 | |
| 3072 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3073 : Type(ty, NULL) | |
| 3074 { | |
| 3075 this->loc = loc; | |
| 3076 } | |
| 3077 | |
| 3078 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3079 { | |
| 3080 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3081 idents.setDim(t->idents.dim); | |
| 3082 for (int i = 0; i < idents.dim; i++) | |
| 3083 { | |
| 3084 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3085 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3086 { | |
| 3087 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3088 | |
| 3089 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3090 id = (Identifier *)ti; | |
| 3091 } | |
| 3092 idents.data[i] = id; | |
| 3093 } | |
| 3094 } | |
| 3095 | |
| 3096 | |
| 3097 void TypeQualified::addIdent(Identifier *ident) | |
| 3098 { | |
| 3099 idents.push(ident); | |
| 3100 } | |
| 3101 | |
| 3102 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3103 { | |
| 3104 int i; | |
| 3105 | |
| 3106 for (i = 0; i < idents.dim; i++) | |
| 3107 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3108 | |
| 3109 buf->writeByte('.'); | |
| 3110 | |
| 3111 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3112 { | |
| 3113 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3114 ti->toCBuffer(buf, hgs); | |
| 3115 } | |
| 3116 else | |
| 3117 buf->writestring(id->toChars()); | |
| 3118 } | |
| 3119 } | |
| 3120 | |
| 3121 d_uns64 TypeQualified::size(Loc loc) | |
| 3122 { | |
| 3123 error(this->loc, "size of type %s is not known", toChars()); | |
| 3124 return 1; | |
| 3125 } | |
| 3126 | |
| 3127 /************************************* | |
| 3128 * Takes an array of Identifiers and figures out if | |
| 3129 * it represents a Type or an Expression. | |
| 3130 * Output: | |
| 3131 * if expression, *pe is set | |
| 3132 * if type, *pt is set | |
| 3133 */ | |
| 3134 | |
| 3135 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3136 Dsymbol *s, Dsymbol *scopesym, | |
| 3137 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3138 { | |
| 3139 Identifier *id = NULL; | |
| 3140 int i; | |
| 3141 VarDeclaration *v; | |
| 3142 EnumMember *em; | |
| 3143 TupleDeclaration *td; | |
| 3144 Type *t; | |
| 3145 Expression *e; | |
| 3146 | |
| 3147 #if 0 | |
| 3148 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3149 if (scopesym) | |
| 3150 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3151 #endif | |
| 3152 *pe = NULL; | |
| 3153 *pt = NULL; | |
| 3154 *ps = NULL; | |
| 3155 if (s) | |
| 3156 { | |
| 3157 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3158 s = s->toAlias(); | |
| 3159 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3160 for (i = 0; i < idents.dim; i++) | |
| 3161 { Dsymbol *sm; | |
| 3162 | |
| 3163 id = (Identifier *)idents.data[i]; | |
| 3164 sm = s->searchX(loc, sc, id); | |
| 3165 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3166 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3167 if (!sm) | |
| 3168 { | |
| 3169 v = s->isVarDeclaration(); | |
| 3170 if (v && id == Id::length) | |
| 3171 { | |
| 3172 if (v->isConst() && v->getExpInitializer()) | |
| 3173 { e = v->getExpInitializer()->exp; | |
| 3174 } | |
| 3175 else | |
| 3176 e = new VarExp(loc, v); | |
| 3177 t = e->type; | |
| 3178 if (!t) | |
| 3179 goto Lerror; | |
| 3180 goto L3; | |
| 3181 } | |
| 3182 t = s->getType(); | |
| 3183 if (!t && s->isDeclaration()) | |
| 3184 t = s->isDeclaration()->type; | |
| 3185 if (t) | |
| 3186 { | |
| 3187 sm = t->toDsymbol(sc); | |
| 3188 if (sm) | |
| 3189 { sm = sm->search(loc, id, 0); | |
| 3190 if (sm) | |
| 3191 goto L2; | |
| 3192 } | |
| 3193 //e = t->getProperty(loc, id); | |
| 3194 e = new TypeExp(loc, t); | |
| 3195 e = t->dotExp(sc, e, id); | |
| 3196 i++; | |
| 3197 L3: | |
| 3198 for (; i < idents.dim; i++) | |
| 3199 { | |
| 3200 id = (Identifier *)idents.data[i]; | |
| 3201 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3202 e = e->type->dotExp(sc, e, id); | |
| 3203 } | |
| 3204 *pe = e; | |
| 3205 } | |
| 3206 else | |
| 3207 Lerror: | |
| 3208 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3209 return; | |
| 3210 } | |
| 3211 L2: | |
| 3212 s = sm->toAlias(); | |
| 3213 } | |
| 3214 | |
| 3215 v = s->isVarDeclaration(); | |
| 3216 if (v) | |
| 3217 { | |
| 3218 // It's not a type, it's an expression | |
| 3219 if (v->isConst() && v->getExpInitializer()) | |
| 3220 { | |
| 3221 ExpInitializer *ei = v->getExpInitializer(); | |
| 3222 assert(ei); | |
| 3223 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3224 (*pe)->loc = loc; | |
| 3225 } | |
| 3226 else | |
| 3227 { | |
| 3228 #if 0 | |
| 3229 WithScopeSymbol *withsym; | |
| 3230 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3231 { | |
| 3232 // Same as wthis.ident | |
| 3233 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3234 e = new DotIdExp(loc, e, ident); | |
| 3235 //assert(0); // BUG: should handle this | |
| 3236 } | |
| 3237 else | |
| 3238 #endif | |
| 3239 *pe = new VarExp(loc, v); | |
| 3240 } | |
| 3241 return; | |
| 3242 } | |
| 3243 em = s->isEnumMember(); | |
| 3244 if (em) | |
| 3245 { | |
| 3246 // It's not a type, it's an expression | |
| 3247 *pe = em->value->copy(); | |
| 3248 return; | |
| 3249 } | |
| 3250 | |
| 3251 L1: | |
| 3252 t = s->getType(); | |
| 3253 if (!t) | |
| 3254 { | |
| 3255 // If the symbol is an import, try looking inside the import | |
| 3256 Import *si; | |
| 3257 | |
| 3258 si = s->isImport(); | |
| 3259 if (si) | |
| 3260 { | |
| 3261 s = si->search(loc, s->ident, 0); | |
| 3262 if (s && s != si) | |
| 3263 goto L1; | |
| 3264 s = si; | |
| 3265 } | |
| 3266 *ps = s; | |
| 3267 return; | |
| 3268 } | |
| 3269 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3270 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3271 return; | |
| 3272 } | |
| 3273 | |
| 3274 if (t != this) | |
| 3275 { | |
| 3276 if (t->reliesOnTident()) | |
| 3277 { | |
| 3278 Scope *scx; | |
| 3279 | |
| 3280 for (scx = sc; 1; scx = scx->enclosing) | |
| 3281 { | |
| 3282 if (!scx) | |
| 3283 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3284 return; | |
| 3285 } | |
| 3286 if (scx->scopesym == scopesym) | |
| 3287 break; | |
| 3288 } | |
| 3289 t = t->semantic(loc, scx); | |
| 3290 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3291 } | |
| 3292 } | |
| 3293 if (t->ty == Ttuple) | |
| 3294 *pt = t; | |
| 3295 else | |
| 3296 *pt = t->merge(); | |
| 3297 } | |
| 3298 if (!s) | |
| 3299 { | |
| 3300 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3301 } | |
| 3302 } | |
| 3303 | |
| 3304 /***************************** TypeIdentifier *****************************/ | |
| 3305 | |
| 3306 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3307 : TypeQualified(Tident, loc) | |
| 3308 { | |
| 3309 this->ident = ident; | |
| 3310 } | |
| 3311 | |
| 3312 | |
| 3313 Type *TypeIdentifier::syntaxCopy() | |
| 3314 { | |
| 3315 TypeIdentifier *t; | |
| 3316 | |
| 3317 t = new TypeIdentifier(loc, ident); | |
| 3318 t->syntaxCopyHelper(this); | |
| 3319 return t; | |
| 3320 } | |
| 3321 | |
| 3322 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3323 { unsigned len; | |
| 3324 char *name; | |
| 3325 | |
| 3326 name = ident->toChars(); | |
| 3327 len = strlen(name); | |
| 3328 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3329 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3330 } | |
| 3331 | |
| 3332 void TypeIdentifier::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3333 { | |
| 3334 OutBuffer tmp; | |
| 3335 | |
| 3336 tmp.writestring(this->ident->toChars()); | |
| 3337 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3338 buf->prependstring(tmp.toChars()); | |
| 3339 if (ident) | |
| 3340 { buf->writeByte(' '); | |
| 3341 buf->writestring(ident->toChars()); | |
| 3342 } | |
| 3343 } | |
| 3344 | |
| 3345 /************************************* | |
| 3346 * Takes an array of Identifiers and figures out if | |
| 3347 * it represents a Type or an Expression. | |
| 3348 * Output: | |
| 3349 * if expression, *pe is set | |
| 3350 * if type, *pt is set | |
| 3351 */ | |
| 3352 | |
| 3353 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3354 { Dsymbol *s; | |
| 3355 Dsymbol *scopesym; | |
| 3356 | |
| 3357 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3358 s = sc->search(loc, ident, &scopesym); | |
| 3359 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3360 } | |
| 3361 | |
| 3362 /***************************************** | |
| 3363 * See if type resolves to a symbol, if so, | |
| 3364 * return that symbol. | |
| 3365 */ | |
| 3366 | |
| 3367 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3368 { | |
| 3369 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3370 if (!sc) | |
| 3371 return NULL; | |
| 3372 //printf("ident = '%s'\n", ident->toChars()); | |
| 3373 | |
| 3374 Dsymbol *scopesym; | |
| 3375 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3376 if (s) | |
| 3377 { | |
| 3378 for (int i = 0; i < idents.dim; i++) | |
| 3379 { | |
| 3380 Identifier *id = (Identifier *)idents.data[i]; | |
| 3381 s = s->searchX(loc, sc, id); | |
| 3382 if (!s) // failed to find a symbol | |
| 3383 { //printf("\tdidn't find a symbol\n"); | |
| 3384 break; | |
| 3385 } | |
| 3386 } | |
| 3387 } | |
| 3388 return s; | |
| 3389 } | |
| 3390 | |
| 3391 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3392 { | |
| 3393 Type *t; | |
| 3394 Expression *e; | |
| 3395 Dsymbol *s; | |
| 3396 | |
| 3397 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3398 resolve(loc, sc, &e, &t, &s); | |
| 3399 if (t) | |
| 3400 { | |
| 3401 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3402 | |
| 3403 if (t->ty == Ttypedef) | |
| 3404 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3405 | |
| 3406 if (tt->sym->sem == 1) | |
| 3407 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3408 } | |
| 3409 } | |
| 3410 else | |
| 3411 { | |
| 3412 #ifdef DEBUG | |
| 3413 if (!global.gag) | |
| 3414 printf("1: "); | |
| 3415 #endif | |
| 3416 if (s) | |
| 3417 { | |
| 3418 s->error(loc, "is used as a type"); | |
| 3419 } | |
| 3420 else | |
| 3421 error(loc, "%s is used as a type", toChars()); | |
| 3422 t = tvoid; | |
| 3423 } | |
| 3424 //t->print(); | |
| 3425 return t; | |
| 3426 } | |
| 3427 | |
| 3428 Type *TypeIdentifier::reliesOnTident() | |
| 3429 { | |
| 3430 return this; | |
| 3431 } | |
| 3432 | |
| 3433 Expression *TypeIdentifier::toExpression() | |
| 3434 { | |
| 3435 Expression *e = new IdentifierExp(loc, ident); | |
| 3436 for (int i = 0; i < idents.dim; i++) | |
| 3437 { | |
| 3438 Identifier *id = (Identifier *)idents.data[i]; | |
| 3439 e = new DotIdExp(loc, e, id); | |
| 3440 } | |
| 3441 | |
| 3442 return e; | |
| 3443 } | |
| 3444 | |
| 3445 /***************************** TypeInstance *****************************/ | |
| 3446 | |
| 3447 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3448 : TypeQualified(Tinstance, loc) | |
| 3449 { | |
| 3450 this->tempinst = tempinst; | |
| 3451 } | |
| 3452 | |
| 3453 Type *TypeInstance::syntaxCopy() | |
| 3454 { | |
| 3455 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3456 TypeInstance *t; | |
| 3457 | |
| 3458 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3459 t->syntaxCopyHelper(this); | |
| 3460 return t; | |
| 3461 } | |
| 3462 | |
| 3463 | |
| 3464 void TypeInstance::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3465 { | |
| 3466 OutBuffer tmp; | |
| 3467 | |
| 3468 tempinst->toCBuffer(&tmp, hgs); | |
| 3469 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3470 buf->prependstring(tmp.toChars()); | |
| 3471 if (ident) | |
| 3472 { buf->writeByte(' '); | |
| 3473 buf->writestring(ident->toChars()); | |
| 3474 } | |
| 3475 } | |
| 3476 | |
| 3477 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3478 { | |
| 3479 // Note close similarity to TypeIdentifier::resolve() | |
| 3480 | |
| 3481 Dsymbol *s; | |
| 3482 | |
| 3483 *pe = NULL; | |
| 3484 *pt = NULL; | |
| 3485 *ps = NULL; | |
| 3486 | |
| 3487 #if 0 | |
| 3488 if (!idents.dim) | |
| 3489 { | |
| 3490 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3491 return; | |
| 3492 } | |
| 3493 #endif | |
| 3494 //id = (Identifier *)idents.data[0]; | |
| 3495 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3496 s = tempinst; | |
| 3497 if (s) | |
| 3498 s->semantic(sc); | |
| 3499 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3500 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3501 } | |
| 3502 | |
| 3503 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3504 { | |
| 3505 Type *t; | |
| 3506 Expression *e; | |
| 3507 Dsymbol *s; | |
| 3508 | |
| 3509 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3510 | |
| 3511 if (sc->parameterSpecialization) | |
| 3512 { | |
| 3513 unsigned errors = global.errors; | |
| 3514 global.gag++; | |
| 3515 | |
| 3516 resolve(loc, sc, &e, &t, &s); | |
| 3517 | |
| 3518 global.gag--; | |
| 3519 if (errors != global.errors) | |
| 3520 { if (global.gag == 0) | |
| 3521 global.errors = errors; | |
| 3522 return this; | |
| 3523 } | |
| 3524 } | |
| 3525 else | |
| 3526 resolve(loc, sc, &e, &t, &s); | |
| 3527 | |
| 3528 if (!t) | |
| 3529 { | |
| 3530 #ifdef DEBUG | |
| 3531 printf("2: "); | |
| 3532 #endif | |
| 3533 error(loc, "%s is used as a type", toChars()); | |
| 3534 t = tvoid; | |
| 3535 } | |
| 3536 return t; | |
| 3537 } | |
| 3538 | |
| 3539 | |
| 3540 /***************************** TypeTypeof *****************************/ | |
| 3541 | |
| 3542 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3543 : TypeQualified(Ttypeof, loc) | |
| 3544 { | |
| 3545 this->exp = exp; | |
| 3546 } | |
| 3547 | |
| 3548 Type *TypeTypeof::syntaxCopy() | |
| 3549 { | |
| 3550 TypeTypeof *t; | |
| 3551 | |
| 3552 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3553 t->syntaxCopyHelper(this); | |
| 3554 return t; | |
| 3555 } | |
| 3556 | |
| 3557 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3558 { | |
| 3559 Type *t; | |
| 3560 | |
| 3561 t = semantic(0, sc); | |
| 3562 if (t == this) | |
| 3563 return NULL; | |
| 3564 return t->toDsymbol(sc); | |
| 3565 } | |
| 3566 | |
| 3567 void TypeTypeof::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3568 { | |
| 3569 OutBuffer tmp; | |
| 3570 | |
| 3571 tmp.writestring("typeof("); | |
| 3572 exp->toCBuffer(&tmp, hgs); | |
| 3573 tmp.writeByte(')'); | |
| 3574 toCBuffer2Helper(&tmp, NULL, hgs); | |
| 3575 buf->prependstring(tmp.toChars()); | |
| 3576 if (ident) | |
| 3577 { buf->writeByte(' '); | |
| 3578 buf->writestring(ident->toChars()); | |
| 3579 } | |
| 3580 } | |
| 3581 | |
| 3582 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3583 { Expression *e; | |
| 3584 Type *t; | |
| 3585 | |
| 3586 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3587 | |
| 3588 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3589 | |
| 3590 #if 0 | |
| 3591 /* Special case for typeof(this) and typeof(super) since both | |
| 3592 * should work even if they are not inside a non-static member function | |
| 3593 */ | |
| 3594 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3595 { | |
| 3596 // Find enclosing struct or class | |
| 3597 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3598 { | |
| 3599 ClassDeclaration *cd; | |
| 3600 StructDeclaration *sd; | |
| 3601 | |
| 3602 if (!s) | |
| 3603 { | |
| 3604 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3605 goto Lerr; | |
| 3606 } | |
| 3607 cd = s->isClassDeclaration(); | |
| 3608 if (cd) | |
| 3609 { | |
| 3610 if (exp->op == TOKsuper) | |
| 3611 { | |
| 3612 cd = cd->baseClass; | |
| 3613 if (!cd) | |
| 3614 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3615 goto Lerr; | |
| 3616 } | |
| 3617 } | |
| 3618 t = cd->type; | |
| 3619 break; | |
| 3620 } | |
| 3621 sd = s->isStructDeclaration(); | |
| 3622 if (sd) | |
| 3623 { | |
| 3624 if (exp->op == TOKsuper) | |
| 3625 { | |
| 3626 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3627 goto Lerr; | |
| 3628 } | |
| 3629 t = sd->type->pointerTo(); | |
| 3630 break; | |
| 3631 } | |
| 3632 } | |
| 3633 } | |
| 3634 else | |
| 3635 #endif | |
| 3636 { | |
| 3637 sc->intypeof++; | |
| 3638 exp = exp->semantic(sc); | |
| 3639 sc->intypeof--; | |
| 3640 t = exp->type; | |
| 3641 if (!t) | |
| 3642 { | |
| 3643 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3644 goto Lerr; | |
| 3645 } | |
| 3646 } | |
| 3647 | |
| 3648 if (idents.dim) | |
| 3649 { | |
| 3650 Dsymbol *s = t->toDsymbol(sc); | |
| 3651 for (size_t i = 0; i < idents.dim; i++) | |
| 3652 { | |
| 3653 if (!s) | |
| 3654 break; | |
| 3655 Identifier *id = (Identifier *)idents.data[i]; | |
| 3656 s = s->searchX(loc, sc, id); | |
| 3657 } | |
| 3658 if (s) | |
| 3659 { | |
| 3660 t = s->getType(); | |
| 3661 if (!t) | |
| 3662 { error(loc, "%s is not a type", s->toChars()); | |
| 3663 goto Lerr; | |
| 3664 } | |
| 3665 } | |
| 3666 else | |
| 3667 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3668 goto Lerr; | |
| 3669 } | |
| 3670 } | |
| 3671 return t; | |
| 3672 | |
| 3673 Lerr: | |
| 3674 return tvoid; | |
| 3675 } | |
| 3676 | |
| 3677 d_uns64 TypeTypeof::size(Loc loc) | |
| 3678 { | |
| 3679 if (exp->type) | |
| 3680 return exp->type->size(loc); | |
| 3681 else | |
| 3682 return TypeQualified::size(loc); | |
| 3683 } | |
| 3684 | |
| 3685 | |
| 3686 | |
| 3687 /***************************** TypeEnum *****************************/ | |
| 3688 | |
| 3689 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3690 : Type(Tenum, NULL) | |
| 3691 { | |
| 3692 this->sym = sym; | |
| 3693 } | |
| 3694 | |
| 3695 char *TypeEnum::toChars() | |
| 3696 { | |
| 3697 return sym->toChars(); | |
| 3698 } | |
| 3699 | |
| 3700 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3701 { | |
| 3702 sym->semantic(sc); | |
| 3703 return merge(); | |
| 3704 } | |
| 3705 | |
| 3706 d_uns64 TypeEnum::size(Loc loc) | |
| 3707 { | |
| 3708 if (!sym->memtype) | |
| 3709 { | |
| 3710 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3711 return 4; | |
| 3712 } | |
| 3713 return sym->memtype->size(loc); | |
| 3714 } | |
| 3715 | |
| 3716 unsigned TypeEnum::alignsize() | |
| 3717 { | |
| 3718 if (!sym->memtype) | |
| 3719 { | |
| 3720 #ifdef DEBUG | |
| 3721 printf("1: "); | |
| 3722 #endif | |
| 3723 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3724 return 4; | |
| 3725 } | |
| 3726 return sym->memtype->alignsize(); | |
| 3727 } | |
| 3728 | |
| 3729 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3730 { | |
| 3731 return sym; | |
| 3732 } | |
| 3733 | |
| 3734 Type *TypeEnum::toBasetype() | |
| 3735 { | |
| 3736 if (!sym->memtype) | |
| 3737 { | |
| 3738 #ifdef DEBUG | |
| 3739 printf("2: "); | |
| 3740 #endif | |
| 3741 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3742 return tint32; | |
| 3743 } | |
| 3744 return sym->memtype->toBasetype(); | |
| 3745 } | |
| 3746 | |
| 3747 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3748 { char *name; | |
| 3749 | |
| 3750 name = sym->mangle(); | |
| 3751 // if (name[0] == '_' && name[1] == 'D') | |
| 3752 // name += 2; | |
| 3753 buf->printf("%c%s", mangleChar[ty], name); | |
| 3754 } | |
| 3755 | |
| 3756 void TypeEnum::toTypeInfoBuffer(OutBuffer *buf) | |
| 3757 { | |
| 3758 toBasetype()->toTypeInfoBuffer(buf); | |
| 3759 } | |
| 3760 | |
| 3761 void TypeEnum::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3762 { | |
| 3763 buf->prependstring(sym->toChars()); | |
| 3764 if (ident) | |
| 3765 { buf->writeByte(' '); | |
| 3766 buf->writestring(ident->toChars()); | |
| 3767 } | |
| 3768 } | |
| 3769 | |
| 3770 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3771 { | |
| 3772 EnumMember *m; | |
| 3773 Dsymbol *s; | |
| 3774 Expression *em; | |
| 3775 | |
| 3776 #if LOGDOTEXP | |
| 3777 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3778 #endif | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3779 if (!sym->symtab) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3780 goto Lfwd; |
| 1 | 3781 s = sym->symtab->lookup(ident); |
| 3782 if (!s) | |
| 3783 { | |
| 3784 return getProperty(e->loc, ident); | |
| 3785 } | |
| 3786 m = s->isEnumMember(); | |
| 3787 em = m->value->copy(); | |
| 3788 em->loc = e->loc; | |
| 3789 return em; | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3790 |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3791 Lfwd: |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
3792 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
|
3793 return new IntegerExp(0, 0, this); |
| 1 | 3794 } |
| 3795 | |
| 3796 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3797 { Expression *e; | |
| 3798 | |
| 3799 if (ident == Id::max) | |
| 3800 { | |
| 3801 if (!sym->symtab) | |
| 3802 goto Lfwd; | |
| 3803 e = new IntegerExp(0, sym->maxval, this); | |
| 3804 } | |
| 3805 else if (ident == Id::min) | |
| 3806 { | |
| 3807 if (!sym->symtab) | |
| 3808 goto Lfwd; | |
| 3809 e = new IntegerExp(0, sym->minval, this); | |
| 3810 } | |
| 3811 else if (ident == Id::init) | |
| 3812 { | |
| 3813 if (!sym->symtab) | |
| 3814 goto Lfwd; | |
| 92 | 3815 e = defaultInit(loc); |
| 1 | 3816 } |
| 3817 else | |
| 3818 { | |
| 3819 if (!sym->memtype) | |
| 3820 goto Lfwd; | |
| 3821 e = sym->memtype->getProperty(loc, ident); | |
| 3822 } | |
| 3823 return e; | |
| 3824 | |
| 3825 Lfwd: | |
| 3826 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3827 return new IntegerExp(0, 0, this); | |
| 3828 } | |
| 3829 | |
| 3830 int TypeEnum::isintegral() | |
| 3831 { | |
| 3832 return 1; | |
| 3833 } | |
| 3834 | |
| 3835 int TypeEnum::isfloating() | |
| 3836 { | |
| 3837 return 0; | |
| 3838 } | |
| 3839 | |
| 3840 int TypeEnum::isunsigned() | |
| 3841 { | |
| 3842 return sym->memtype->isunsigned(); | |
| 3843 } | |
| 3844 | |
| 3845 int TypeEnum::isscalar() | |
| 3846 { | |
| 3847 return 1; | |
| 3848 //return sym->memtype->isscalar(); | |
| 3849 } | |
| 3850 | |
| 3851 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3852 { MATCH m; | |
| 3853 | |
| 3854 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3855 if (this->equals(to)) | |
| 3856 m = MATCHexact; // exact match | |
| 3857 else if (sym->memtype->implicitConvTo(to)) | |
| 3858 m = MATCHconvert; // match with conversions | |
| 3859 else | |
| 3860 m = MATCHnomatch; // no match | |
| 3861 return m; | |
| 3862 } | |
| 3863 | |
| 92 | 3864 Expression *TypeEnum::defaultInit(Loc loc) |
| 1 | 3865 { |
| 3866 #if LOGDEFAULTINIT | |
| 3867 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3868 #endif | |
| 3869 // Initialize to first member of enum | |
| 3870 Expression *e; | |
| 92 | 3871 e = new IntegerExp(loc, sym->defaultval, this); |
| 1 | 3872 return e; |
| 3873 } | |
| 3874 | |
| 3875 int TypeEnum::isZeroInit() | |
| 3876 { | |
| 3877 return (sym->defaultval == 0); | |
| 3878 } | |
| 3879 | |
| 3880 int TypeEnum::hasPointers() | |
| 3881 { | |
| 3882 return toBasetype()->hasPointers(); | |
| 3883 } | |
| 3884 | |
| 3885 /***************************** TypeTypedef *****************************/ | |
| 3886 | |
| 3887 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3888 : Type(Ttypedef, NULL) | |
| 3889 { | |
| 3890 this->sym = sym; | |
| 3891 } | |
| 3892 | |
| 3893 Type *TypeTypedef::syntaxCopy() | |
| 3894 { | |
| 3895 return this; | |
| 3896 } | |
| 3897 | |
| 3898 char *TypeTypedef::toChars() | |
| 3899 { | |
| 3900 return sym->toChars(); | |
| 3901 } | |
| 3902 | |
| 3903 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3904 { | |
| 3905 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3906 sym->semantic(sc); | |
| 3907 return merge(); | |
| 3908 } | |
| 3909 | |
| 3910 d_uns64 TypeTypedef::size(Loc loc) | |
| 3911 { | |
| 3912 return sym->basetype->size(loc); | |
| 3913 } | |
| 3914 | |
| 3915 unsigned TypeTypedef::alignsize() | |
| 3916 { | |
| 3917 return sym->basetype->alignsize(); | |
| 3918 } | |
| 3919 | |
| 3920 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3921 { | |
| 3922 return sym; | |
| 3923 } | |
| 3924 | |
| 3925 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3926 { unsigned len; | |
| 3927 char *name; | |
| 3928 | |
| 3929 name = sym->mangle(); | |
| 3930 // if (name[0] == '_' && name[1] == 'D') | |
| 3931 // name += 2; | |
| 3932 //len = strlen(name); | |
| 3933 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3934 buf->printf("%c%s", mangleChar[ty], name); | |
| 3935 } | |
| 3936 | |
| 3937 void TypeTypedef::toTypeInfoBuffer(OutBuffer *buf) | |
| 3938 { | |
| 3939 sym->basetype->toTypeInfoBuffer(buf); | |
| 3940 } | |
| 3941 | |
| 3942 void TypeTypedef::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 3943 { | |
| 3944 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3945 buf->prependstring(sym->toChars()); | |
| 3946 if (ident) | |
| 3947 { buf->writeByte(' '); | |
| 3948 buf->writestring(ident->toChars()); | |
| 3949 } | |
| 3950 } | |
| 3951 | |
| 3952 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3953 { | |
| 3954 #if LOGDOTEXP | |
| 3955 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3956 #endif | |
| 3957 if (ident == Id::init) | |
| 3958 { | |
| 3959 return Type::dotExp(sc, e, ident); | |
| 3960 } | |
| 3961 return sym->basetype->dotExp(sc, e, ident); | |
| 3962 } | |
| 3963 | |
| 3964 int TypeTypedef::isbit() | |
| 3965 { | |
| 3966 return sym->basetype->isbit(); | |
| 3967 } | |
| 3968 | |
| 3969 int TypeTypedef::isintegral() | |
| 3970 { | |
| 3971 //printf("TypeTypedef::isintegral()\n"); | |
| 3972 //printf("sym = '%s'\n", sym->toChars()); | |
| 3973 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3974 return sym->basetype->isintegral(); | |
| 3975 } | |
| 3976 | |
| 3977 int TypeTypedef::isfloating() | |
| 3978 { | |
| 3979 return sym->basetype->isfloating(); | |
| 3980 } | |
| 3981 | |
| 3982 int TypeTypedef::isreal() | |
| 3983 { | |
| 3984 return sym->basetype->isreal(); | |
| 3985 } | |
| 3986 | |
| 3987 int TypeTypedef::isimaginary() | |
| 3988 { | |
| 3989 return sym->basetype->isimaginary(); | |
| 3990 } | |
| 3991 | |
| 3992 int TypeTypedef::iscomplex() | |
| 3993 { | |
| 3994 return sym->basetype->iscomplex(); | |
| 3995 } | |
| 3996 | |
| 3997 int TypeTypedef::isunsigned() | |
| 3998 { | |
| 3999 return sym->basetype->isunsigned(); | |
| 4000 } | |
| 4001 | |
| 4002 int TypeTypedef::isscalar() | |
| 4003 { | |
| 4004 return sym->basetype->isscalar(); | |
| 4005 } | |
| 4006 | |
| 4007 int TypeTypedef::checkBoolean() | |
| 4008 { | |
| 4009 return sym->basetype->checkBoolean(); | |
| 4010 } | |
| 4011 | |
| 4012 Type *TypeTypedef::toBasetype() | |
| 4013 { | |
| 4014 if (sym->inuse) | |
| 4015 { | |
| 4016 sym->error("circular definition"); | |
| 4017 sym->basetype = Type::terror; | |
| 4018 return Type::terror; | |
| 4019 } | |
| 4020 sym->inuse = 1; | |
| 4021 Type *t = sym->basetype->toBasetype(); | |
| 4022 sym->inuse = 0; | |
| 4023 return t; | |
| 4024 } | |
| 4025 | |
| 4026 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4027 { MATCH m; | |
| 4028 | |
| 4029 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4030 if (this->equals(to)) | |
| 4031 m = MATCHexact; // exact match | |
| 4032 else if (sym->basetype->implicitConvTo(to)) | |
| 4033 m = MATCHconvert; // match with conversions | |
| 4034 else | |
| 4035 m = MATCHnomatch; // no match | |
| 4036 return m; | |
| 4037 } | |
| 4038 | |
| 92 | 4039 Expression *TypeTypedef::defaultInit(Loc loc) |
| 1 | 4040 { Expression *e; |
| 4041 Type *bt; | |
| 4042 | |
| 4043 #if LOGDEFAULTINIT | |
| 4044 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4045 #endif | |
| 4046 if (sym->init) | |
| 4047 { | |
| 4048 //sym->init->toExpression()->print(); | |
| 4049 return sym->init->toExpression(); | |
| 4050 } | |
| 4051 bt = sym->basetype; | |
| 92 | 4052 e = bt->defaultInit(loc); |
| 1 | 4053 e->type = this; |
| 4054 while (bt->ty == Tsarray) | |
| 4055 { | |
| 4056 e->type = bt->next; | |
| 4057 bt = bt->next->toBasetype(); | |
| 4058 } | |
| 4059 return e; | |
| 4060 } | |
| 4061 | |
| 4062 int TypeTypedef::isZeroInit() | |
| 4063 { | |
| 4064 if (sym->init) | |
| 4065 { | |
| 4066 if (sym->init->isVoidInitializer()) | |
| 4067 return 1; // initialize voids to 0 | |
| 4068 Expression *e = sym->init->toExpression(); | |
| 4069 if (e && e->isBool(FALSE)) | |
| 4070 return 1; | |
| 4071 return 0; // assume not | |
| 4072 } | |
| 4073 if (sym->inuse) | |
| 4074 { | |
| 4075 sym->error("circular definition"); | |
| 4076 sym->basetype = Type::terror; | |
| 4077 } | |
| 4078 sym->inuse = 1; | |
| 4079 int result = sym->basetype->isZeroInit(); | |
| 4080 sym->inuse = 0; | |
| 4081 return result; | |
| 4082 } | |
| 4083 | |
| 4084 int TypeTypedef::hasPointers() | |
| 4085 { | |
| 4086 return toBasetype()->hasPointers(); | |
| 4087 } | |
| 4088 | |
| 4089 /***************************** TypeStruct *****************************/ | |
| 4090 | |
| 4091 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4092 : Type(Tstruct, NULL) | |
| 4093 { | |
| 4094 this->sym = sym; | |
| 4095 } | |
| 4096 | |
| 4097 char *TypeStruct::toChars() | |
| 4098 { | |
| 4099 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4100 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4101 if (ti && ti->toAlias() == sym) | |
| 4102 return ti->toChars(); | |
| 4103 return sym->toChars(); | |
| 4104 } | |
| 4105 | |
| 4106 Type *TypeStruct::syntaxCopy() | |
| 4107 { | |
| 4108 return this; | |
| 4109 } | |
| 4110 | |
| 4111 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4112 { | |
| 4113 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4114 | |
| 4115 /* Cannot do semantic for sym because scope chain may not | |
| 4116 * be right. | |
| 4117 */ | |
| 4118 //sym->semantic(sc); | |
| 4119 | |
| 4120 return merge(); | |
| 4121 } | |
| 4122 | |
| 4123 d_uns64 TypeStruct::size(Loc loc) | |
| 4124 { | |
| 4125 return sym->size(loc); | |
| 4126 } | |
| 4127 | |
| 4128 unsigned TypeStruct::alignsize() | |
| 4129 { unsigned sz; | |
| 4130 | |
| 4131 sym->size(0); // give error for forward references | |
| 4132 sz = sym->alignsize; | |
| 4133 if (sz > sym->structalign) | |
| 4134 sz = sym->structalign; | |
| 4135 return sz; | |
| 4136 } | |
| 4137 | |
| 4138 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4139 { | |
| 4140 return sym; | |
| 4141 } | |
| 4142 | |
| 4143 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4144 { unsigned len; | |
| 4145 char *name; | |
| 4146 | |
| 4147 name = sym->mangle(); | |
| 4148 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4149 // if (name[0] == '_' && name[1] == 'D') | |
| 4150 // name += 2; | |
| 4151 //len = strlen(name); | |
| 4152 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4153 buf->printf("%c%s", mangleChar[ty], name); | |
| 4154 } | |
| 4155 | |
| 4156 void TypeStruct::toTypeInfoBuffer(OutBuffer *buf) | |
| 4157 { | |
| 4158 toDecoBuffer(buf); | |
| 4159 } | |
| 4160 | |
| 4161 | |
| 4162 void TypeStruct::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4163 { | |
| 4164 buf->prependbyte(' '); | |
| 4165 buf->prependstring(toChars()); | |
| 4166 if (ident) | |
| 4167 buf->writestring(ident->toChars()); | |
| 4168 } | |
| 4169 | |
| 4170 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4171 { unsigned offset; | |
| 4172 | |
| 4173 Expression *b; | |
| 4174 VarDeclaration *v; | |
| 4175 Dsymbol *s; | |
| 4176 DotVarExp *de; | |
| 4177 Declaration *d; | |
| 4178 | |
| 4179 #if LOGDOTEXP | |
| 4180 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4181 #endif | |
| 4182 if (!sym->members) | |
| 4183 { | |
| 4184 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4185 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4186 } | |
| 4187 | |
| 4188 if (ident == Id::tupleof) | |
| 4189 { | |
| 4190 /* Create a TupleExp | |
| 4191 */ | |
| 4192 Expressions *exps = new Expressions; | |
| 4193 exps->reserve(sym->fields.dim); | |
| 4194 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4195 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4196 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4197 exps->push(fe); | |
| 4198 } | |
| 4199 e = new TupleExp(e->loc, exps); | |
| 4200 e = e->semantic(sc); | |
| 4201 return e; | |
| 4202 } | |
| 4203 | |
| 4204 if (e->op == TOKdotexp) | |
| 4205 { DotExp *de = (DotExp *)e; | |
| 4206 | |
| 4207 if (de->e1->op == TOKimport) | |
| 4208 { | |
| 4209 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4210 | |
| 4211 s = se->sds->search(e->loc, ident, 0); | |
| 4212 e = de->e1; | |
| 4213 goto L1; | |
| 4214 } | |
| 4215 } | |
| 4216 | |
| 4217 s = sym->search(e->loc, ident, 0); | |
| 4218 L1: | |
| 4219 if (!s) | |
| 4220 { | |
| 4221 //return getProperty(e->loc, ident); | |
| 4222 return Type::dotExp(sc, e, ident); | |
| 4223 } | |
| 4224 s = s->toAlias(); | |
| 4225 | |
| 4226 v = s->isVarDeclaration(); | |
| 4227 if (v && v->isConst()) | |
| 4228 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4229 | |
| 4230 if (ei) | |
| 4231 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4232 e = e->semantic(sc); | |
| 4233 return e; | |
| 4234 } | |
| 4235 } | |
| 4236 | |
| 4237 if (s->getType()) | |
| 4238 { | |
| 4239 //return new DotTypeExp(e->loc, e, s); | |
| 4240 return new TypeExp(e->loc, s->getType()); | |
| 4241 } | |
| 4242 | |
| 4243 EnumMember *em = s->isEnumMember(); | |
| 4244 if (em) | |
| 4245 { | |
| 4246 assert(em->value); | |
| 4247 return em->value->copy(); | |
| 4248 } | |
| 4249 | |
| 4250 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4251 if (tm) | |
| 4252 { Expression *de; | |
| 4253 | |
| 4254 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4255 de->type = e->type; | |
| 4256 return de; | |
| 4257 } | |
| 4258 | |
| 4259 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4260 if (td) | |
| 4261 { | |
| 4262 e = new DotTemplateExp(e->loc, e, td); | |
| 4263 e->semantic(sc); | |
| 4264 return e; | |
| 4265 } | |
| 4266 | |
| 4267 d = s->isDeclaration(); | |
| 4268 #ifdef DEBUG | |
| 4269 if (!d) | |
| 4270 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4271 #endif | |
| 4272 assert(d); | |
| 4273 | |
| 4274 if (e->op == TOKtype) | |
| 4275 { FuncDeclaration *fd = sc->func; | |
| 4276 | |
| 4277 if (d->needThis() && fd && fd->vthis) | |
| 4278 { | |
| 4279 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4280 e = e->semantic(sc); | |
| 4281 return e; | |
| 4282 } | |
| 4283 if (d->isTupleDeclaration()) | |
| 4284 { | |
| 4285 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4286 e = e->semantic(sc); | |
| 4287 return e; | |
| 4288 } | |
| 4289 return new VarExp(e->loc, d); | |
| 4290 } | |
| 4291 | |
| 4292 if (d->isDataseg()) | |
| 4293 { | |
| 4294 // (e, d) | |
| 4295 VarExp *ve; | |
| 4296 | |
| 4297 accessCheck(e->loc, sc, e, d); | |
| 4298 ve = new VarExp(e->loc, d); | |
| 4299 e = new CommaExp(e->loc, e, ve); | |
| 4300 e->type = d->type; | |
| 4301 return e; | |
| 4302 } | |
| 4303 | |
| 4304 if (v) | |
| 4305 { | |
| 4306 if (v->toParent() != sym) | |
| 4307 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4308 | |
| 4309 // *(&e + offset) | |
| 4310 accessCheck(e->loc, sc, e, d); | |
| 4311 b = new AddrExp(e->loc, e); | |
| 4312 b->type = e->type->pointerTo(); | |
| 4313 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
|
108
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[svn r112] Fixed 'case 1,2,3:' style case statements.
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parents:
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diff
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|
4314 #if IN_LLVM |
|
288fe1029e1f
[svn r112] Fixed 'case 1,2,3:' style case statements.
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diff
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|
4315 // LLVMDC modification |
|
288fe1029e1f
[svn r112] Fixed 'case 1,2,3:' style case statements.
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parents:
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diff
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|
4316 // this is *essential* |
|
288fe1029e1f
[svn r112] Fixed 'case 1,2,3:' style case statements.
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parents:
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diff
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|
4317 ((AddExp*)b)->llvmFieldIndex = true; |
|
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[svn r112] Fixed 'case 1,2,3:' style case statements.
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diff
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|
4318 #endif |
| 1 | 4319 b->type = v->type->pointerTo(); |
| 4320 e = new PtrExp(e->loc, b); | |
| 4321 e->type = v->type; | |
| 4322 return e; | |
| 4323 } | |
| 4324 | |
| 4325 de = new DotVarExp(e->loc, e, d); | |
| 4326 return de->semantic(sc); | |
| 4327 } | |
| 4328 | |
| 4329 unsigned TypeStruct::memalign(unsigned salign) | |
| 4330 { | |
| 4331 sym->size(0); // give error for forward references | |
| 4332 return sym->structalign; | |
| 4333 } | |
| 4334 | |
| 92 | 4335 Expression *TypeStruct::defaultInit(Loc loc) |
| 1 | 4336 { Symbol *s; |
| 4337 Declaration *d; | |
| 4338 | |
| 4339 #if LOGDEFAULTINIT | |
| 4340 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4341 #endif | |
| 4342 s = sym->toInitializer(); | |
| 4343 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4344 assert(d); | |
| 4345 d->type = this; | |
| 4346 return new VarExp(sym->loc, d); | |
| 4347 } | |
| 4348 | |
| 4349 int TypeStruct::isZeroInit() | |
| 4350 { | |
| 4351 return sym->zeroInit; | |
| 4352 } | |
| 4353 | |
| 4354 int TypeStruct::checkBoolean() | |
| 4355 { | |
| 4356 return FALSE; | |
| 4357 } | |
| 4358 | |
| 4359 int TypeStruct::hasPointers() | |
| 4360 { | |
| 4361 StructDeclaration *s = sym; | |
| 4362 | |
| 4363 sym->size(0); // give error for forward references | |
| 4364 if (s->members) | |
| 4365 { | |
| 4366 for (size_t i = 0; i < s->members->dim; i++) | |
| 4367 { | |
| 4368 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4369 if (sm->hasPointers()) | |
| 4370 return TRUE; | |
| 4371 } | |
| 4372 } | |
| 4373 return FALSE; | |
| 4374 } | |
| 4375 | |
| 4376 | |
| 4377 /***************************** TypeClass *****************************/ | |
| 4378 | |
| 4379 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4380 : Type(Tclass, NULL) | |
| 4381 { | |
| 4382 this->sym = sym; | |
|
102
027b8d8b71ec
[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
|
4383 llvmVtblType = 0; |
| 1 | 4384 } |
| 4385 | |
| 4386 char *TypeClass::toChars() | |
| 4387 { | |
| 4388 return sym->toPrettyChars(); | |
| 4389 } | |
| 4390 | |
| 4391 Type *TypeClass::syntaxCopy() | |
| 4392 { | |
| 4393 return this; | |
| 4394 } | |
| 4395 | |
| 4396 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4397 { | |
| 4398 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4399 if (sym->scope) | |
| 4400 sym->semantic(sym->scope); | |
| 4401 return merge(); | |
| 4402 } | |
| 4403 | |
| 4404 d_uns64 TypeClass::size(Loc loc) | |
| 4405 { | |
| 4406 return PTRSIZE; | |
| 4407 } | |
| 4408 | |
| 4409 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4410 { | |
| 4411 return sym; | |
| 4412 } | |
| 4413 | |
| 4414 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4415 { unsigned len; | |
| 4416 char *name; | |
| 4417 | |
| 4418 name = sym->mangle(); | |
| 4419 // if (name[0] == '_' && name[1] == 'D') | |
| 4420 // name += 2; | |
| 4421 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4422 //len = strlen(name); | |
| 4423 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4424 buf->printf("%c%s", mangleChar[ty], name); | |
| 4425 } | |
| 4426 | |
| 4427 void TypeClass::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4428 { | |
| 4429 buf->prependstring(sym->toChars()); | |
| 4430 if (ident) | |
| 4431 { buf->writeByte(' '); | |
| 4432 buf->writestring(ident->toChars()); | |
| 4433 } | |
| 4434 } | |
| 4435 | |
| 4436 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4437 { unsigned offset; | |
| 4438 | |
| 4439 Expression *b; | |
| 4440 VarDeclaration *v; | |
| 4441 Dsymbol *s; | |
| 4442 DotVarExp *de; | |
| 4443 Declaration *d; | |
| 4444 | |
| 4445 #if LOGDOTEXP | |
| 4446 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4447 #endif | |
| 4448 | |
| 4449 if (e->op == TOKdotexp) | |
| 4450 { DotExp *de = (DotExp *)e; | |
| 4451 | |
| 4452 if (de->e1->op == TOKimport) | |
| 4453 { | |
| 4454 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4455 | |
| 4456 s = se->sds->search(e->loc, ident, 0); | |
| 4457 e = de->e1; | |
| 4458 goto L1; | |
| 4459 } | |
| 4460 } | |
| 4461 | |
| 4462 if (ident == Id::tupleof) | |
| 4463 { | |
| 4464 /* Create a TupleExp | |
| 4465 */ | |
| 4466 Expressions *exps = new Expressions; | |
| 4467 exps->reserve(sym->fields.dim); | |
| 4468 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4469 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4470 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4471 exps->push(fe); | |
| 4472 } | |
| 4473 e = new TupleExp(e->loc, exps); | |
| 4474 e = e->semantic(sc); | |
| 4475 return e; | |
| 4476 } | |
| 4477 | |
| 4478 s = sym->search(e->loc, ident, 0); | |
| 4479 L1: | |
| 4480 if (!s) | |
| 4481 { | |
| 4482 // See if it's a base class | |
| 4483 ClassDeclaration *cbase; | |
| 4484 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4485 { | |
| 4486 if (cbase->ident->equals(ident)) | |
| 4487 { | |
| 4488 e = new DotTypeExp(0, e, cbase); | |
| 4489 return e; | |
| 4490 } | |
| 4491 } | |
| 4492 | |
| 4493 if (ident == Id::classinfo) | |
| 4494 { | |
| 4495 Type *t; | |
| 4496 | |
| 4497 assert(ClassDeclaration::classinfo); | |
| 4498 t = ClassDeclaration::classinfo->type; | |
| 4499 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4500 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4501 /* For type.classinfo, we know the classinfo |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
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|
4502 * at compile time. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4503 */ |
| 1 | 4504 if (!sym->vclassinfo) |
| 4505 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4506 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4507 e = e->addressOf(sc); | |
| 4508 e->type = t; // do this so we don't get redundant dereference | |
| 4509 } | |
| 4510 else | |
|
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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|
4511 { |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4512 /* 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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|
4513 * entry in the vtbl[] |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
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102
diff
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|
4514 */ |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
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diff
changeset
|
4515 #if IN_LLVM |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
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diff
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|
4516 |
| 114 | 4517 Type* ct; |
| 4518 if (sym->isInterfaceDeclaration()) { | |
| 4519 ct = t->pointerTo()->pointerTo()->pointerTo(); | |
| 4520 } | |
| 4521 else { | |
| 4522 ct = t->pointerTo()->pointerTo(); | |
| 4523 } | |
| 4524 | |
| 4525 e = e->castTo(sc, ct); | |
|
103
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4526 e = new PtrExp(e->loc, e); |
| 114 | 4527 e->type = ct->next; |
|
103
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4528 e = new PtrExp(e->loc, e); |
| 114 | 4529 e->type = ct->next->next; |
| 4530 | |
|
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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|
4531 if (sym->isInterfaceDeclaration()) |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4532 { |
| 114 | 4533 if (sym->isCOMinterface()) |
| 4534 { /* COM interface vtbl[]s are different in that the | |
| 4535 * first entry is always pointer to QueryInterface(). | |
| 4536 * We can't get a .classinfo for it. | |
| 4537 */ | |
| 4538 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4539 } | |
| 4540 /* For an interface, the first entry in the vtbl[] | |
| 4541 * is actually a pointer to an instance of struct Interface. | |
| 4542 * The first member of Interface is the .classinfo, | |
| 4543 * so add an extra pointer indirection. | |
| 4544 */ | |
| 4545 e = new PtrExp(e->loc, e); | |
| 4546 e->type = ct->next->next->next; | |
|
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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|
4547 } |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4548 |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4549 #else |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
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102
diff
changeset
|
4550 |
| 1 | 4551 e = new PtrExp(e->loc, e); |
| 4552 e->type = t->pointerTo(); | |
| 4553 if (sym->isInterfaceDeclaration()) | |
| 4554 { | |
|
35
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4555 if (sym->isCOMinterface()) |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4556 { /* 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
|
4557 * first entry is always pointer to QueryInterface(). |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4558 * 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
|
4559 */ |
| 1 | 4560 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
|
4561 } |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4562 /* 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
|
4563 * 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
|
4564 * 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
|
4565 * so add an extra pointer indirection. |
|
3cfcb944304e
[svn r39] * Updated to DMD 1.022 with the exception of:
lindquist
parents:
11
diff
changeset
|
4566 */ |
| 1 | 4567 e->type = e->type->pointerTo(); |
| 4568 e = new PtrExp(e->loc, e); | |
| 4569 e->type = t->pointerTo(); | |
| 4570 } | |
| 4571 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
changeset
|
4572 |
|
855adfdb8d38
[svn r107] Getting .classinfo on a class instance now works (classinfo is stored in vtable)
lindquist
parents:
102
diff
changeset
|
4573 #endif |
| 1 | 4574 } |
| 4575 return e; | |
| 4576 } | |
| 4577 | |
| 4578 if (ident == Id::typeinfo) | |
| 4579 { | |
| 4580 if (!global.params.useDeprecated) | |
| 4581 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4582 return getTypeInfo(sc); | |
| 4583 } | |
| 4584 if (ident == Id::outer && sym->vthis) | |
| 4585 { | |
| 4586 s = sym->vthis; | |
| 4587 } | |
| 4588 else | |
| 4589 { | |
| 4590 //return getProperty(e->loc, ident); | |
| 4591 return Type::dotExp(sc, e, ident); | |
| 4592 } | |
| 4593 } | |
| 4594 s = s->toAlias(); | |
| 4595 v = s->isVarDeclaration(); | |
| 4596 if (v && v->isConst()) | |
| 4597 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4598 | |
| 4599 if (ei) | |
| 4600 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4601 e = e->semantic(sc); | |
| 4602 return e; | |
| 4603 } | |
| 4604 } | |
| 4605 | |
| 4606 if (s->getType()) | |
| 4607 { | |
| 4608 // if (e->op == TOKtype) | |
| 4609 return new TypeExp(e->loc, s->getType()); | |
| 4610 // return new DotTypeExp(e->loc, e, s); | |
| 4611 } | |
| 4612 | |
| 4613 EnumMember *em = s->isEnumMember(); | |
| 4614 if (em) | |
| 4615 { | |
| 4616 assert(em->value); | |
| 4617 return em->value->copy(); | |
| 4618 } | |
| 4619 | |
| 4620 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4621 if (tm) | |
| 4622 { Expression *de; | |
| 4623 | |
| 4624 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4625 de->type = e->type; | |
| 4626 return de; | |
| 4627 } | |
| 4628 | |
| 4629 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4630 if (td) | |
| 4631 { | |
| 4632 e = new DotTemplateExp(e->loc, e, td); | |
| 4633 e->semantic(sc); | |
| 4634 return e; | |
| 4635 } | |
| 4636 | |
| 4637 d = s->isDeclaration(); | |
| 4638 if (!d) | |
| 4639 { | |
| 4640 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4641 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4642 } | |
| 4643 | |
| 4644 if (e->op == TOKtype) | |
| 4645 { | |
| 4646 VarExp *ve; | |
| 4647 | |
| 4648 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4649 { | |
| 4650 if (sc->func) | |
| 4651 { | |
| 4652 ClassDeclaration *thiscd; | |
| 4653 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4654 | |
| 4655 if (thiscd) | |
| 4656 { | |
| 4657 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4658 | |
| 4659 if (cd == thiscd) | |
| 4660 { | |
| 4661 e = new ThisExp(e->loc); | |
| 4662 e = new DotTypeExp(e->loc, e, cd); | |
| 4663 de = new DotVarExp(e->loc, e, d); | |
| 4664 e = de->semantic(sc); | |
| 4665 return e; | |
| 4666 } | |
| 4667 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4668 !d->isFuncDeclaration()) | |
| 4669 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4670 } | |
| 4671 } | |
| 4672 | |
| 4673 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4674 e = de->semantic(sc); | |
| 4675 return e; | |
| 4676 } | |
| 4677 else if (d->isTupleDeclaration()) | |
| 4678 { | |
| 4679 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4680 e = e->semantic(sc); | |
| 4681 return e; | |
| 4682 } | |
| 4683 else | |
| 4684 ve = new VarExp(e->loc, d); | |
| 4685 return ve; | |
| 4686 } | |
| 4687 | |
| 4688 if (d->isDataseg()) | |
| 4689 { | |
| 4690 // (e, d) | |
| 4691 VarExp *ve; | |
| 4692 | |
| 4693 accessCheck(e->loc, sc, e, d); | |
| 4694 ve = new VarExp(e->loc, d); | |
| 4695 e = new CommaExp(e->loc, e, ve); | |
| 4696 e->type = d->type; | |
| 4697 return e; | |
| 4698 } | |
| 4699 | |
| 4700 if (d->parent && d->toParent()->isModule()) | |
| 4701 { | |
| 4702 // (e, d) | |
| 4703 VarExp *ve; | |
| 4704 | |
| 4705 ve = new VarExp(e->loc, d); | |
| 4706 e = new CommaExp(e->loc, e, ve); | |
| 4707 e->type = d->type; | |
| 4708 return e; | |
| 4709 } | |
| 4710 | |
| 4711 de = new DotVarExp(e->loc, e, d); | |
| 4712 return de->semantic(sc); | |
| 4713 } | |
| 4714 | |
| 4715 ClassDeclaration *TypeClass::isClassHandle() | |
| 4716 { | |
| 4717 return sym; | |
| 4718 } | |
| 4719 | |
| 4720 int TypeClass::isauto() | |
| 4721 { | |
| 4722 return sym->isauto; | |
| 4723 } | |
| 4724 | |
| 4725 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4726 { | |
| 4727 if (t->ty == Tclass) | |
| 4728 { ClassDeclaration *cd; | |
| 4729 | |
| 4730 cd = ((TypeClass *)t)->sym; | |
| 4731 if (sym->isBaseOf(cd, poffset)) | |
| 4732 return 1; | |
| 4733 } | |
| 4734 return 0; | |
| 4735 } | |
| 4736 | |
| 4737 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4738 { | |
| 4739 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4740 if (this == to) | |
| 4741 return MATCHexact; | |
| 4742 | |
| 4743 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4744 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4745 { //printf("is base\n"); | |
| 4746 return MATCHconvert; | |
| 4747 } | |
| 4748 | |
| 4749 if (global.params.Dversion == 1) | |
| 4750 { | |
| 4751 // Allow conversion to (void *) | |
| 4752 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4753 return MATCHconvert; | |
| 4754 } | |
| 4755 | |
| 4756 return MATCHnomatch; | |
| 4757 } | |
| 4758 | |
| 92 | 4759 Expression *TypeClass::defaultInit(Loc loc) |
| 1 | 4760 { |
| 4761 #if LOGDEFAULTINIT | |
| 4762 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4763 #endif | |
| 4764 Expression *e; | |
| 92 | 4765 e = new NullExp(loc); |
| 1 | 4766 e->type = this; |
| 4767 return e; | |
| 4768 } | |
| 4769 | |
| 4770 int TypeClass::isZeroInit() | |
| 4771 { | |
| 4772 return 1; | |
| 4773 } | |
| 4774 | |
| 4775 int TypeClass::checkBoolean() | |
| 4776 { | |
| 4777 return TRUE; | |
| 4778 } | |
| 4779 | |
| 4780 int TypeClass::hasPointers() | |
| 4781 { | |
| 4782 return TRUE; | |
| 4783 } | |
| 4784 | |
| 4785 /***************************** TypeTuple *****************************/ | |
| 4786 | |
| 4787 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4788 : Type(Ttuple, NULL) | |
| 4789 { | |
| 4790 //printf("TypeTuple(this = %p)\n", this); | |
| 4791 this->arguments = arguments; | |
| 4792 #ifdef DEBUG | |
| 4793 if (arguments) | |
| 4794 { | |
| 4795 for (size_t i = 0; i < arguments->dim; i++) | |
| 4796 { | |
| 4797 Argument *arg = (Argument *)arguments->data[i]; | |
| 4798 assert(arg && arg->type); | |
| 4799 } | |
| 4800 } | |
| 4801 #endif | |
| 4802 } | |
| 4803 | |
| 4804 /**************** | |
| 4805 * Form TypeTuple from the types of the expressions. | |
| 4806 * Assume exps[] is already tuple expanded. | |
| 4807 */ | |
| 4808 | |
| 4809 TypeTuple::TypeTuple(Expressions *exps) | |
| 4810 : Type(Ttuple, NULL) | |
| 4811 { | |
| 4812 Arguments *arguments = new Arguments; | |
| 4813 if (exps) | |
| 4814 { | |
| 4815 arguments->setDim(exps->dim); | |
| 4816 for (size_t i = 0; i < exps->dim; i++) | |
| 4817 { Expression *e = (Expression *)exps->data[i]; | |
| 4818 if (e->type->ty == Ttuple) | |
| 4819 e->error("cannot form tuple of tuples"); | |
| 4820 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4821 arguments->data[i] = (void *)arg; | |
| 4822 } | |
| 4823 } | |
| 4824 this->arguments = arguments; | |
| 4825 } | |
| 4826 | |
| 4827 Type *TypeTuple::syntaxCopy() | |
| 4828 { | |
| 4829 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4830 Type *t = new TypeTuple(args); | |
| 4831 return t; | |
| 4832 } | |
| 4833 | |
| 4834 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4835 { | |
| 4836 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4837 if (!deco) | |
| 4838 deco = merge()->deco; | |
| 4839 | |
| 4840 /* Don't return merge(), because a tuple with one type has the | |
| 4841 * same deco as that type. | |
| 4842 */ | |
| 4843 return this; | |
| 4844 } | |
| 4845 | |
| 4846 int TypeTuple::equals(Object *o) | |
| 4847 { Type *t; | |
| 4848 | |
| 4849 t = (Type *)o; | |
| 4850 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4851 if (this == t) | |
| 4852 { | |
| 4853 return 1; | |
| 4854 } | |
| 4855 if (t->ty == Ttuple) | |
| 4856 { TypeTuple *tt = (TypeTuple *)t; | |
| 4857 | |
| 4858 if (arguments->dim == tt->arguments->dim) | |
| 4859 { | |
| 4860 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4861 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4862 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4863 | |
| 4864 if (!arg1->type->equals(arg2->type)) | |
| 4865 return 0; | |
| 4866 } | |
| 4867 return 1; | |
| 4868 } | |
| 4869 } | |
| 4870 return 0; | |
| 4871 } | |
| 4872 | |
| 4873 Type *TypeTuple::reliesOnTident() | |
| 4874 { | |
| 4875 if (arguments) | |
| 4876 { | |
| 4877 for (size_t i = 0; i < arguments->dim; i++) | |
| 4878 { | |
| 4879 Argument *arg = (Argument *)arguments->data[i]; | |
| 4880 Type *t = arg->type->reliesOnTident(); | |
| 4881 if (t) | |
| 4882 return t; | |
| 4883 } | |
| 4884 } | |
| 4885 return NULL; | |
| 4886 } | |
| 4887 | |
| 4888 void TypeTuple::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 4889 { | |
| 4890 OutBuffer buf2; | |
| 4891 Argument::argsToCBuffer(&buf2, hgs, arguments, 0); | |
| 4892 buf->prependstring(buf2.toChars()); | |
| 4893 if (ident) | |
| 4894 { buf->writeByte(' '); | |
| 4895 buf->writestring(ident->toChars()); | |
| 4896 } | |
| 4897 } | |
| 4898 | |
| 4899 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4900 { | |
| 4901 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4902 OutBuffer buf2; | |
| 4903 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4904 unsigned len = buf2.offset; | |
| 4905 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4906 } | |
| 4907 | |
| 4908 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4909 { Expression *e; | |
| 4910 | |
| 4911 #if LOGDOTEXP | |
| 4912 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4913 #endif | |
| 4914 if (ident == Id::length) | |
| 4915 { | |
| 4916 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4917 } | |
| 4918 else | |
| 4919 { | |
| 4920 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4921 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4922 } | |
| 4923 return e; | |
| 4924 } | |
| 4925 | |
| 4926 /***************************** TypeSlice *****************************/ | |
| 4927 | |
| 4928 /* This is so we can slice a TypeTuple */ | |
| 4929 | |
| 4930 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4931 : Type(Tslice, next) | |
| 4932 { | |
| 4933 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4934 this->lwr = lwr; | |
| 4935 this->upr = upr; | |
| 4936 } | |
| 4937 | |
| 4938 Type *TypeSlice::syntaxCopy() | |
| 4939 { | |
| 4940 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4941 return t; | |
| 4942 } | |
| 4943 | |
| 4944 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4945 { | |
| 4946 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4947 next = next->semantic(loc, sc); | |
| 4948 //printf("next: %s\n", next->toChars()); | |
| 4949 | |
| 4950 Type *tbn = next->toBasetype(); | |
| 4951 if (tbn->ty != Ttuple) | |
| 4952 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4953 return Type::terror; | |
| 4954 } | |
| 4955 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4956 | |
| 4957 lwr = semanticLength(sc, tbn, lwr); | |
| 4958 lwr = lwr->optimize(WANTvalue); | |
| 4959 uinteger_t i1 = lwr->toUInteger(); | |
| 4960 | |
| 4961 upr = semanticLength(sc, tbn, upr); | |
| 4962 upr = upr->optimize(WANTvalue); | |
| 4963 uinteger_t i2 = upr->toUInteger(); | |
| 4964 | |
| 4965 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4966 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4967 return Type::terror; | |
| 4968 } | |
| 4969 | |
| 4970 Arguments *args = new Arguments; | |
| 4971 args->reserve(i2 - i1); | |
| 4972 for (size_t i = i1; i < i2; i++) | |
| 4973 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4974 args->push(arg); | |
| 4975 } | |
| 4976 | |
| 4977 return new TypeTuple(args); | |
| 4978 } | |
| 4979 | |
| 4980 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4981 { | |
| 4982 next->resolve(loc, sc, pe, pt, ps); | |
| 4983 if (*pe) | |
| 4984 { // It's really a slice expression | |
| 4985 Expression *e; | |
| 4986 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4987 *pe = e; | |
| 4988 } | |
| 4989 else if (*ps) | |
| 4990 { Dsymbol *s = *ps; | |
| 4991 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4992 if (td) | |
| 4993 { | |
| 4994 /* It's a slice of a TupleDeclaration | |
| 4995 */ | |
| 4996 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4997 sym->parent = sc->scopesym; | |
| 4998 sc = sc->push(sym); | |
| 4999 | |
| 5000 lwr = lwr->semantic(sc); | |
| 5001 lwr = lwr->optimize(WANTvalue); | |
| 5002 uinteger_t i1 = lwr->toUInteger(); | |
| 5003 | |
| 5004 upr = upr->semantic(sc); | |
| 5005 upr = upr->optimize(WANTvalue); | |
| 5006 uinteger_t i2 = upr->toUInteger(); | |
| 5007 | |
| 5008 sc = sc->pop(); | |
| 5009 | |
| 5010 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 5011 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 5012 goto Ldefault; | |
| 5013 } | |
| 5014 | |
| 5015 if (i1 == 0 && i2 == td->objects->dim) | |
| 5016 { | |
| 5017 *ps = td; | |
| 5018 return; | |
| 5019 } | |
| 5020 | |
| 5021 /* Create a new TupleDeclaration which | |
| 5022 * is a slice [i1..i2] out of the old one. | |
| 5023 */ | |
| 5024 Objects *objects = new Objects; | |
| 5025 objects->setDim(i2 - i1); | |
| 5026 for (size_t i = 0; i < objects->dim; i++) | |
| 5027 { | |
| 5028 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 5029 } | |
| 5030 | |
| 5031 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 5032 *ps = tds; | |
| 5033 } | |
| 5034 else | |
| 5035 goto Ldefault; | |
| 5036 } | |
| 5037 else | |
| 5038 { | |
| 5039 Ldefault: | |
| 5040 Type::resolve(loc, sc, pe, pt, ps); | |
| 5041 } | |
| 5042 } | |
| 5043 | |
| 5044 void TypeSlice::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 5045 { | |
| 5046 OutBuffer buf2; | |
| 5047 | |
| 5048 buf2.printf("[%s .. ", lwr->toChars()); | |
| 5049 buf2.printf("%s]", upr->toChars()); | |
| 5050 | |
| 5051 buf->prependstring(buf2.toChars()); | |
| 5052 if (ident) | |
| 5053 { | |
| 5054 buf->writeByte(' '); | |
| 5055 buf->writestring(ident->toChars()); | |
| 5056 } | |
| 5057 next->toCBuffer2(buf, NULL, hgs); | |
| 5058 } | |
| 5059 | |
| 5060 /***************************** Argument *****************************/ | |
| 5061 | |
| 5062 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 5063 { | |
| 5064 this->type = type; | |
| 5065 this->ident = ident; | |
| 5066 this->storageClass = storageClass; | |
| 5067 this->defaultArg = defaultArg; | |
| 5068 this->llvmCopy = false; | |
| 5069 this->vardecl = 0; | |
| 5070 } | |
| 5071 | |
| 5072 Argument *Argument::syntaxCopy() | |
| 5073 { | |
| 5074 Argument *a = new Argument(storageClass, | |
| 5075 type ? type->syntaxCopy() : NULL, | |
| 5076 ident, | |
| 5077 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
| 5078 return a; | |
| 5079 } | |
| 5080 | |
| 5081 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5082 { Arguments *a = NULL; | |
| 5083 | |
| 5084 if (args) | |
| 5085 { | |
| 5086 a = new Arguments(); | |
| 5087 a->setDim(args->dim); | |
| 5088 for (size_t i = 0; i < a->dim; i++) | |
| 5089 { Argument *arg = (Argument *)args->data[i]; | |
| 5090 | |
| 5091 arg = arg->syntaxCopy(); | |
| 5092 a->data[i] = (void *)arg; | |
| 5093 } | |
| 5094 } | |
| 5095 return a; | |
| 5096 } | |
| 5097 | |
| 5098 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5099 { OutBuffer *buf; | |
| 5100 | |
| 5101 buf = new OutBuffer(); | |
| 5102 | |
| 5103 buf->writeByte('('); | |
| 5104 if (args) | |
| 5105 { int i; | |
| 5106 OutBuffer argbuf; | |
| 5107 HdrGenState hgs; | |
| 5108 | |
| 5109 for (i = 0; i < args->dim; i++) | |
| 5110 { Argument *arg; | |
| 5111 | |
| 5112 if (i) | |
| 5113 buf->writeByte(','); | |
| 5114 arg = (Argument *)args->data[i]; | |
| 5115 argbuf.reset(); | |
| 5116 arg->type->toCBuffer2(&argbuf, NULL, &hgs); | |
| 5117 buf->write(&argbuf); | |
| 5118 } | |
| 5119 if (varargs) | |
| 5120 { | |
| 5121 if (i && varargs == 1) | |
| 5122 buf->writeByte(','); | |
| 5123 buf->writestring("..."); | |
| 5124 } | |
| 5125 } | |
| 5126 buf->writeByte(')'); | |
| 5127 | |
| 5128 return buf->toChars(); | |
| 5129 } | |
| 5130 | |
| 5131 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5132 { | |
| 5133 buf->writeByte('('); | |
| 5134 if (arguments) | |
| 5135 { int i; | |
| 5136 OutBuffer argbuf; | |
| 5137 | |
| 5138 for (i = 0; i < arguments->dim; i++) | |
| 5139 { Argument *arg; | |
| 5140 | |
| 5141 if (i) | |
| 5142 buf->writestring(", "); | |
| 5143 arg = (Argument *)arguments->data[i]; | |
| 5144 if (arg->storageClass & STCout) | |
| 5145 buf->writestring("out "); | |
| 5146 else if (arg->storageClass & STCref) | |
| 5147 buf->writestring((global.params.Dversion == 1) | |
| 5148 ? (char *)"inout " : (char *)"ref "); | |
| 5149 else if (arg->storageClass & STClazy) | |
| 5150 buf->writestring("lazy "); | |
| 5151 argbuf.reset(); | |
| 5152 arg->type->toCBuffer2(&argbuf, arg->ident, hgs); | |
| 5153 if (arg->defaultArg) | |
| 5154 { | |
| 5155 argbuf.writestring(" = "); | |
| 5156 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5157 } | |
| 5158 buf->write(&argbuf); | |
| 5159 } | |
| 5160 if (varargs) | |
| 5161 { | |
| 5162 if (i && varargs == 1) | |
| 5163 buf->writeByte(','); | |
| 5164 buf->writestring("..."); | |
| 5165 } | |
| 5166 } | |
| 5167 buf->writeByte(')'); | |
| 5168 } | |
| 5169 | |
| 5170 | |
| 5171 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5172 { | |
| 5173 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5174 | |
| 5175 // Write argument types | |
| 5176 if (arguments) | |
| 5177 { | |
| 5178 size_t dim = Argument::dim(arguments); | |
| 5179 for (size_t i = 0; i < dim; i++) | |
| 5180 { | |
| 5181 Argument *arg = Argument::getNth(arguments, i); | |
| 5182 arg->toDecoBuffer(buf); | |
| 5183 } | |
| 5184 } | |
| 5185 } | |
| 5186 | |
| 5187 /**************************************************** | |
| 5188 * Determine if parameter is a lazy array of delegates. | |
| 5189 * If so, return the return type of those delegates. | |
| 5190 * If not, return NULL. | |
| 5191 */ | |
| 5192 | |
| 5193 Type *Argument::isLazyArray() | |
| 5194 { | |
| 5195 // if (inout == Lazy) | |
| 5196 { | |
| 5197 Type *tb = type->toBasetype(); | |
| 5198 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5199 { | |
| 5200 Type *tel = tb->next->toBasetype(); | |
| 5201 if (tel->ty == Tdelegate) | |
| 5202 { | |
| 5203 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5204 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5205 | |
| 5206 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5207 { | |
| 5208 return tf->next; // return type of delegate | |
| 5209 } | |
| 5210 } | |
| 5211 } | |
| 5212 } | |
| 5213 return NULL; | |
| 5214 } | |
| 5215 | |
| 5216 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5217 { | |
| 5218 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5219 { case 0: | |
| 5220 case STCin: | |
| 5221 break; | |
| 5222 case STCout: | |
| 5223 buf->writeByte('J'); | |
| 5224 break; | |
| 5225 case STCref: | |
| 5226 buf->writeByte('K'); | |
| 5227 break; | |
| 5228 case STClazy: | |
| 5229 buf->writeByte('L'); | |
| 5230 break; | |
| 5231 default: | |
| 5232 #ifdef DEBUG | |
| 5233 halt(); | |
| 5234 #endif | |
| 5235 assert(0); | |
| 5236 } | |
| 5237 type->toDecoBuffer(buf); | |
| 5238 } | |
| 5239 | |
| 5240 /*************************************** | |
| 5241 * Determine number of arguments, folding in tuples. | |
| 5242 */ | |
| 5243 | |
| 5244 size_t Argument::dim(Arguments *args) | |
| 5245 { | |
| 5246 size_t n = 0; | |
| 5247 if (args) | |
| 5248 { | |
| 5249 for (size_t i = 0; i < args->dim; i++) | |
| 5250 { Argument *arg = (Argument *)args->data[i]; | |
| 5251 Type *t = arg->type->toBasetype(); | |
| 5252 | |
| 5253 if (t->ty == Ttuple) | |
| 5254 { TypeTuple *tu = (TypeTuple *)t; | |
| 5255 n += dim(tu->arguments); | |
| 5256 } | |
| 5257 else | |
| 5258 n++; | |
| 5259 } | |
| 5260 } | |
| 5261 return n; | |
| 5262 } | |
| 5263 | |
| 5264 /*************************************** | |
| 5265 * Get nth Argument, folding in tuples. | |
| 5266 * Returns: | |
| 5267 * Argument* nth Argument | |
| 5268 * NULL not found, *pn gets incremented by the number | |
| 5269 * of Arguments | |
| 5270 */ | |
| 5271 | |
| 5272 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5273 { | |
| 5274 if (!args) | |
| 5275 return NULL; | |
| 5276 | |
| 5277 size_t n = 0; | |
| 5278 for (size_t i = 0; i < args->dim; i++) | |
| 5279 { Argument *arg = (Argument *)args->data[i]; | |
| 5280 Type *t = arg->type->toBasetype(); | |
| 5281 | |
| 5282 if (t->ty == Ttuple) | |
| 5283 { TypeTuple *tu = (TypeTuple *)t; | |
| 5284 arg = getNth(tu->arguments, nth - n, &n); | |
| 5285 if (arg) | |
| 5286 return arg; | |
| 5287 } | |
| 5288 else if (n == nth) | |
| 5289 return arg; | |
| 5290 else | |
| 5291 n++; | |
| 5292 } | |
| 5293 | |
| 5294 if (pn) | |
| 5295 *pn += n; | |
| 5296 return NULL; | |
| 5297 } |