Mercurial > projects > ldc
annotate dmd/mtype.c @ 285:297690b5d4a5 trunk
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
| author | lindquist |
|---|---|
| date | Sat, 21 Jun 2008 03:14:49 +0200 |
| parents | d9d5d59873d8 |
| children | 2b72433d5c8c |
| rev | line source |
|---|---|
| 159 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2008 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> | |
|
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297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
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diff
changeset
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28 #elif __MINGW32__ |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
270
diff
changeset
|
29 #include <malloc.h> |
| 159 | 30 #else |
| 31 //#define signbit 56 | |
| 32 #endif | |
| 33 | |
| 34 #if __APPLE__ | |
| 35 #include <math.h> | |
| 36 static double zero = 0; | |
|
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297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
270
diff
changeset
|
37 #elif __MINGW32__ |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
270
diff
changeset
|
38 #include <math.h> |
|
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
270
diff
changeset
|
39 static double zero = 0; |
| 159 | 40 #elif __GNUC__ |
| 41 #include <math.h> | |
| 42 #include <bits/nan.h> | |
| 43 #include <bits/mathdef.h> | |
| 44 static double zero = 0; | |
| 45 #endif | |
| 46 | |
| 47 #include "mem.h" | |
| 48 | |
| 49 #include "dsymbol.h" | |
| 50 #include "mtype.h" | |
| 51 #include "scope.h" | |
| 52 #include "init.h" | |
| 53 #include "expression.h" | |
| 54 #include "attrib.h" | |
| 55 #include "declaration.h" | |
| 56 #include "template.h" | |
| 57 #include "id.h" | |
| 58 #include "enum.h" | |
| 59 #include "import.h" | |
| 60 #include "aggregate.h" | |
| 61 #include "hdrgen.h" | |
| 62 | |
| 63 FuncDeclaration *hasThis(Scope *sc); | |
| 64 | |
| 65 | |
| 66 #define LOGDOTEXP 0 // log ::dotExp() | |
| 67 #define LOGDEFAULTINIT 0 // log ::defaultInit() | |
| 68 | |
| 69 // Allow implicit conversion of T[] to T* | |
| 70 #define IMPLICIT_ARRAY_TO_PTR global.params.useDeprecated | |
| 71 | |
| 72 /* These have default values for 32 bit code, they get | |
| 73 * adjusted for 64 bit code. | |
| 74 */ | |
| 75 | |
| 76 int PTRSIZE = 4; | |
| 77 #if IN_LLVM | |
| 78 int REALSIZE = 8; | |
| 79 int REALPAD = 0; | |
| 80 #elif TARGET_LINUX | |
| 81 int REALSIZE = 12; | |
| 82 int REALPAD = 2; | |
| 83 #else | |
| 84 int REALSIZE = 10; | |
| 85 int REALPAD = 0; | |
| 86 #endif | |
| 87 int Tsize_t = Tuns32; | |
| 88 int Tptrdiff_t = Tint32; | |
| 89 | |
| 90 /***************************** Type *****************************/ | |
| 91 | |
| 92 ClassDeclaration *Type::typeinfo; | |
| 93 ClassDeclaration *Type::typeinfoclass; | |
| 94 ClassDeclaration *Type::typeinfointerface; | |
| 95 ClassDeclaration *Type::typeinfostruct; | |
| 96 ClassDeclaration *Type::typeinfotypedef; | |
| 97 ClassDeclaration *Type::typeinfopointer; | |
| 98 ClassDeclaration *Type::typeinfoarray; | |
| 99 ClassDeclaration *Type::typeinfostaticarray; | |
| 100 ClassDeclaration *Type::typeinfoassociativearray; | |
| 101 ClassDeclaration *Type::typeinfoenum; | |
| 102 ClassDeclaration *Type::typeinfofunction; | |
| 103 ClassDeclaration *Type::typeinfodelegate; | |
| 104 ClassDeclaration *Type::typeinfotypelist; | |
| 105 | |
| 106 Type *Type::tvoidptr; | |
| 107 Type *Type::basic[TMAX]; | |
| 108 unsigned char Type::mangleChar[TMAX]; | |
| 109 StringTable Type::stringtable; | |
| 110 | |
| 111 | |
| 112 Type::Type(TY ty, Type *next) | |
| 113 { | |
| 114 this->ty = ty; | |
| 115 this->mod = 0; | |
| 116 this->next = next; | |
| 117 this->deco = NULL; | |
| 118 #if V2 | |
| 119 this->cto = NULL; | |
| 120 this->ito = NULL; | |
| 121 #endif | |
| 122 this->pto = NULL; | |
| 123 this->rto = NULL; | |
| 124 this->arrayof = NULL; | |
| 125 this->vtinfo = NULL; | |
| 126 this->ctype = NULL; | |
| 127 } | |
| 128 | |
| 129 Type *Type::syntaxCopy() | |
| 130 { | |
| 131 print(); | |
| 132 fprintf(stdmsg, "ty = %d\n", ty); | |
| 133 assert(0); | |
| 134 return this; | |
| 135 } | |
| 136 | |
| 137 int Type::equals(Object *o) | |
| 138 { Type *t; | |
| 139 | |
| 140 t = (Type *)o; | |
| 141 //printf("Type::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 142 if (this == o || | |
| 143 (t && deco == t->deco) && // deco strings are unique | |
| 144 deco != NULL) // and semantic() has been run | |
| 145 { | |
| 146 //printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 147 return 1; | |
| 148 } | |
| 149 //if (deco && t && t->deco) printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 150 return 0; | |
| 151 } | |
| 152 | |
| 153 char Type::needThisPrefix() | |
| 154 { | |
| 155 return 'M'; // name mangling prefix for functions needing 'this' | |
| 156 } | |
| 157 | |
| 158 void Type::init() | |
| 159 { int i; | |
| 160 int j; | |
| 161 | |
| 162 Lexer::initKeywords(); | |
| 163 | |
| 164 mangleChar[Tarray] = 'A'; | |
| 165 mangleChar[Tsarray] = 'G'; | |
| 166 mangleChar[Taarray] = 'H'; | |
| 167 mangleChar[Tpointer] = 'P'; | |
| 168 mangleChar[Treference] = 'R'; | |
| 169 mangleChar[Tfunction] = 'F'; | |
| 170 mangleChar[Tident] = 'I'; | |
| 171 mangleChar[Tclass] = 'C'; | |
| 172 mangleChar[Tstruct] = 'S'; | |
| 173 mangleChar[Tenum] = 'E'; | |
| 174 mangleChar[Ttypedef] = 'T'; | |
| 175 mangleChar[Tdelegate] = 'D'; | |
| 176 | |
| 177 mangleChar[Tnone] = 'n'; | |
| 178 mangleChar[Tvoid] = 'v'; | |
| 179 mangleChar[Tint8] = 'g'; | |
| 180 mangleChar[Tuns8] = 'h'; | |
| 181 mangleChar[Tint16] = 's'; | |
| 182 mangleChar[Tuns16] = 't'; | |
| 183 mangleChar[Tint32] = 'i'; | |
| 184 mangleChar[Tuns32] = 'k'; | |
| 185 mangleChar[Tint64] = 'l'; | |
| 186 mangleChar[Tuns64] = 'm'; | |
| 187 mangleChar[Tfloat32] = 'f'; | |
| 188 mangleChar[Tfloat64] = 'd'; | |
| 189 mangleChar[Tfloat80] = 'e'; | |
| 190 | |
| 191 mangleChar[Timaginary32] = 'o'; | |
| 192 mangleChar[Timaginary64] = 'p'; | |
| 193 mangleChar[Timaginary80] = 'j'; | |
| 194 mangleChar[Tcomplex32] = 'q'; | |
| 195 mangleChar[Tcomplex64] = 'r'; | |
| 196 mangleChar[Tcomplex80] = 'c'; | |
| 197 | |
| 198 mangleChar[Tbool] = 'b'; | |
| 199 mangleChar[Tascii] = 'a'; | |
| 200 mangleChar[Twchar] = 'u'; | |
| 201 mangleChar[Tdchar] = 'w'; | |
| 202 | |
| 203 mangleChar[Tbit] = '@'; | |
| 204 mangleChar[Tinstance] = '@'; | |
| 205 mangleChar[Terror] = '@'; | |
| 206 mangleChar[Ttypeof] = '@'; | |
| 207 mangleChar[Ttuple] = 'B'; | |
| 208 mangleChar[Tslice] = '@'; | |
| 209 | |
| 210 for (i = 0; i < TMAX; i++) | |
| 211 { if (!mangleChar[i]) | |
| 212 fprintf(stdmsg, "ty = %d\n", i); | |
| 213 assert(mangleChar[i]); | |
| 214 } | |
| 215 | |
| 216 // Set basic types | |
| 217 static TY basetab[] = | |
| 218 { Tvoid, Tint8, Tuns8, Tint16, Tuns16, Tint32, Tuns32, Tint64, Tuns64, | |
| 219 Tfloat32, Tfloat64, Tfloat80, | |
| 220 Timaginary32, Timaginary64, Timaginary80, | |
| 221 Tcomplex32, Tcomplex64, Tcomplex80, | |
| 222 Tbit, Tbool, | |
| 223 Tascii, Twchar, Tdchar }; | |
| 224 | |
| 225 for (i = 0; i < sizeof(basetab) / sizeof(basetab[0]); i++) | |
| 226 basic[basetab[i]] = new TypeBasic(basetab[i]); | |
| 227 basic[Terror] = basic[Tint32]; | |
| 228 | |
| 229 tvoidptr = tvoid->pointerTo(); | |
| 230 | |
|
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231 // set size_t / ptrdiff_t types and pointer size |
| 159 | 232 if (global.params.is64bit) |
| 233 { | |
|
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234 Tsize_t = Tuns64; |
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235 Tptrdiff_t = Tint64; |
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236 PTRSIZE = 8; |
| 159 | 237 } |
| 238 else | |
| 239 { | |
|
243
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240 Tsize_t = Tuns32; |
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241 Tptrdiff_t = Tint32; |
|
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242 PTRSIZE = 4; |
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243
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243 } |
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244 |
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245 // set real size and padding |
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246 if (global.params.useFP80) |
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247 { |
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248 REALSIZE = 12; |
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249 REALPAD = 2; |
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250 } |
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251 else |
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252 { |
| 159 | 253 REALSIZE = 8; |
| 254 REALPAD = 0; | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 d_uns64 Type::size() | |
| 259 { | |
| 260 return size(0); | |
| 261 } | |
| 262 | |
| 263 d_uns64 Type::size(Loc loc) | |
| 264 { | |
| 265 error(loc, "no size for type %s", toChars()); | |
| 266 return 1; | |
| 267 } | |
| 268 | |
| 269 unsigned Type::alignsize() | |
| 270 { | |
| 271 return size(0); | |
| 272 } | |
| 273 | |
| 274 Type *Type::semantic(Loc loc, Scope *sc) | |
| 275 { | |
| 276 if (next) | |
| 277 next = next->semantic(loc,sc); | |
| 278 return merge(); | |
| 279 } | |
| 280 | |
| 281 Type *Type::pointerTo() | |
| 282 { | |
| 283 if (!pto) | |
| 284 { Type *t; | |
| 285 | |
| 286 t = new TypePointer(this); | |
| 287 pto = t->merge(); | |
| 288 } | |
| 289 return pto; | |
| 290 } | |
| 291 | |
| 292 Type *Type::referenceTo() | |
| 293 { | |
| 294 if (!rto) | |
| 295 { Type *t; | |
| 296 | |
| 297 t = new TypeReference(this); | |
| 298 rto = t->merge(); | |
| 299 } | |
| 300 return rto; | |
| 301 } | |
| 302 | |
| 303 Type *Type::arrayOf() | |
| 304 { | |
| 305 if (!arrayof) | |
| 306 { Type *t; | |
| 307 | |
| 308 t = new TypeDArray(this); | |
| 309 arrayof = t->merge(); | |
| 310 } | |
| 311 return arrayof; | |
| 312 } | |
| 313 | |
| 314 Dsymbol *Type::toDsymbol(Scope *sc) | |
| 315 { | |
| 316 return NULL; | |
| 317 } | |
| 318 | |
| 319 /******************************* | |
| 320 * If this is a shell around another type, | |
| 321 * get that other type. | |
| 322 */ | |
| 323 | |
| 324 Type *Type::toBasetype() | |
| 325 { | |
| 326 return this; | |
| 327 } | |
| 328 | |
| 329 /******************************** | |
| 330 * Name mangling. | |
| 331 */ | |
| 332 | |
| 333 void Type::toDecoBuffer(OutBuffer *buf) | |
| 334 { | |
| 335 buf->writeByte(mangleChar[ty]); | |
| 336 if (next) | |
| 337 { | |
| 338 assert(next != this); | |
| 339 //printf("this = %p, ty = %d, next = %p, ty = %d\n", this, this->ty, next, next->ty); | |
| 340 next->toDecoBuffer(buf); | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 /******************************** | |
| 345 * For pretty-printing a type. | |
| 346 */ | |
| 347 | |
| 348 char *Type::toChars() | |
| 349 { OutBuffer *buf; | |
| 350 HdrGenState hgs; | |
| 351 | |
| 352 buf = new OutBuffer(); | |
| 353 toCBuffer(buf, NULL, &hgs); | |
| 354 return buf->toChars(); | |
| 355 } | |
| 356 | |
| 357 void Type::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 358 { | |
| 359 toCBuffer2(buf, hgs, 0); | |
| 360 if (ident) | |
| 361 { buf->writeByte(' '); | |
| 362 buf->writestring(ident->toChars()); | |
| 363 } | |
| 364 } | |
| 365 | |
| 366 void Type::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 367 { | |
| 368 if (mod != this->mod) | |
| 369 { toCBuffer3(buf, hgs, mod); | |
| 370 return; | |
| 371 } | |
| 372 buf->writestring(toChars()); | |
| 373 } | |
| 374 | |
| 375 void Type::toCBuffer3(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 376 { | |
| 377 if (mod != this->mod) | |
| 378 { char *p; | |
| 379 | |
| 380 switch (this->mod) | |
| 381 { | |
| 382 case 0: | |
| 383 toCBuffer2(buf, hgs, this->mod); | |
| 384 break; | |
| 385 case MODconst: | |
| 386 p = "const("; | |
| 387 goto L1; | |
| 388 case MODinvariant: | |
| 389 p = "invariant("; | |
| 390 L1: buf->writestring(p); | |
| 391 toCBuffer2(buf, hgs, this->mod); | |
| 392 buf->writeByte(')'); | |
| 393 break; | |
| 394 default: | |
| 395 assert(0); | |
| 396 } | |
| 397 } | |
| 398 } | |
| 399 | |
| 400 | |
| 401 /************************************ | |
| 402 */ | |
| 403 | |
| 404 Type *Type::merge() | |
| 405 { Type *t; | |
| 406 | |
| 407 //printf("merge(%s)\n", toChars()); | |
| 408 t = this; | |
| 409 assert(t); | |
| 410 if (!deco) | |
| 411 { | |
| 412 OutBuffer buf; | |
| 413 StringValue *sv; | |
| 414 | |
| 415 if (next) | |
| 416 next = next->merge(); | |
| 417 toDecoBuffer(&buf); | |
| 418 sv = stringtable.update((char *)buf.data, buf.offset); | |
| 419 if (sv->ptrvalue) | |
| 420 { t = (Type *) sv->ptrvalue; | |
| 421 assert(t->deco); | |
| 422 //printf("old value, deco = '%s' %p\n", t->deco, t->deco); | |
| 423 } | |
| 424 else | |
| 425 { | |
| 426 sv->ptrvalue = this; | |
| 427 deco = sv->lstring.string; | |
| 428 //printf("new value, deco = '%s' %p\n", t->deco, t->deco); | |
| 429 } | |
| 430 } | |
| 431 return t; | |
| 432 } | |
| 433 | |
| 434 int Type::isbit() | |
| 435 { | |
| 436 return FALSE; | |
| 437 } | |
| 438 | |
| 439 int Type::isintegral() | |
| 440 { | |
| 441 return FALSE; | |
| 442 } | |
| 443 | |
| 444 int Type::isfloating() | |
| 445 { | |
| 446 return FALSE; | |
| 447 } | |
| 448 | |
| 449 int Type::isreal() | |
| 450 { | |
| 451 return FALSE; | |
| 452 } | |
| 453 | |
| 454 int Type::isimaginary() | |
| 455 { | |
| 456 return FALSE; | |
| 457 } | |
| 458 | |
| 459 int Type::iscomplex() | |
| 460 { | |
| 461 return FALSE; | |
| 462 } | |
| 463 | |
| 464 int Type::isscalar() | |
| 465 { | |
| 466 return FALSE; | |
| 467 } | |
| 468 | |
| 469 int Type::isunsigned() | |
| 470 { | |
| 471 return FALSE; | |
| 472 } | |
| 473 | |
| 474 ClassDeclaration *Type::isClassHandle() | |
| 475 { | |
| 476 return NULL; | |
| 477 } | |
| 478 | |
| 479 int Type::isauto() | |
| 480 { | |
| 481 return FALSE; | |
| 482 } | |
| 483 | |
| 484 int Type::isString() | |
| 485 { | |
| 486 return FALSE; | |
| 487 } | |
| 488 | |
| 489 int Type::checkBoolean() | |
| 490 { | |
| 491 return isscalar(); | |
| 492 } | |
| 493 | |
| 494 /********************************* | |
| 495 * Check type to see if it is based on a deprecated symbol. | |
| 496 */ | |
| 497 | |
| 498 void Type::checkDeprecated(Loc loc, Scope *sc) | |
| 499 { | |
| 500 Type *t; | |
| 501 Dsymbol *s; | |
| 502 | |
| 503 for (t = this; t; t = t->next) | |
| 504 { | |
| 505 s = t->toDsymbol(sc); | |
| 506 if (s) | |
| 507 s->checkDeprecated(loc, sc); | |
| 508 } | |
| 509 } | |
| 510 | |
| 511 | |
| 512 Expression *Type::defaultInit(Loc loc) | |
| 513 { | |
| 514 #if LOGDEFAULTINIT | |
| 515 printf("Type::defaultInit() '%s'\n", toChars()); | |
| 516 #endif | |
| 517 return NULL; | |
| 518 } | |
| 519 | |
| 520 int Type::isZeroInit() | |
| 521 { | |
| 522 return 0; // assume not | |
| 523 } | |
| 524 | |
| 525 int Type::isBaseOf(Type *t, int *poffset) | |
| 526 { | |
| 527 return 0; // assume not | |
| 528 } | |
| 529 | |
| 530 /******************************** | |
| 531 * Determine if 'this' can be implicitly converted | |
| 532 * to type 'to'. | |
| 533 * Returns: | |
| 534 * 0 can't convert | |
| 535 * 1 can convert using implicit conversions | |
| 536 * 2 this and to are the same type | |
| 537 */ | |
| 538 | |
| 539 MATCH Type::implicitConvTo(Type *to) | |
| 540 { | |
| 541 //printf("Type::implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 542 //printf("\tthis->next=%p, to->next=%p\n", this->next, to->next); | |
| 543 if (this == to) | |
| 544 return MATCHexact; | |
| 545 // if (to->ty == Tvoid) | |
| 546 // return 1; | |
| 547 return MATCHnomatch; | |
| 548 } | |
| 549 | |
| 550 Expression *Type::getProperty(Loc loc, Identifier *ident) | |
| 551 { Expression *e; | |
| 552 | |
| 553 #if LOGDOTEXP | |
| 554 printf("Type::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 555 #endif | |
| 556 if (ident == Id::__sizeof) | |
| 557 { | |
| 558 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 559 } | |
| 560 else if (ident == Id::size) | |
| 561 { | |
| 562 error(loc, ".size property should be replaced with .sizeof"); | |
| 563 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 564 } | |
| 565 else if (ident == Id::alignof) | |
| 566 { | |
| 567 e = new IntegerExp(loc, alignsize(), Type::tsize_t); | |
| 568 } | |
| 569 else if (ident == Id::typeinfo) | |
| 570 { | |
| 571 if (!global.params.useDeprecated) | |
| 572 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 573 e = getTypeInfo(NULL); | |
| 574 } | |
| 575 else if (ident == Id::init) | |
| 576 { | |
| 577 if (ty == Tvoid) | |
| 578 error(loc, "void does not have an initializer"); | |
| 579 e = defaultInit(loc); | |
| 580 } | |
| 581 else if (ident == Id::mangleof) | |
| 582 { | |
| 583 assert(deco); | |
| 584 e = new StringExp(loc, deco, strlen(deco), 'c'); | |
| 585 Scope sc; | |
| 586 e = e->semantic(&sc); | |
| 587 } | |
| 588 else if (ident == Id::stringof) | |
| 589 { char *s = toChars(); | |
| 590 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 591 Scope sc; | |
| 592 e = e->semantic(&sc); | |
| 593 } | |
| 594 else | |
| 595 { | |
| 596 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars()); | |
| 597 e = new IntegerExp(loc, 1, Type::tint32); | |
| 598 } | |
| 599 return e; | |
| 600 } | |
| 601 | |
| 602 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 603 { VarDeclaration *v = NULL; | |
| 604 | |
| 605 #if LOGDOTEXP | |
| 606 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 607 #endif | |
| 608 if (e->op == TOKdotvar) | |
| 609 { | |
| 610 DotVarExp *dv = (DotVarExp *)e; | |
| 611 v = dv->var->isVarDeclaration(); | |
| 612 } | |
| 613 else if (e->op == TOKvar) | |
| 614 { | |
| 615 VarExp *ve = (VarExp *)e; | |
| 616 v = ve->var->isVarDeclaration(); | |
| 617 } | |
| 618 if (v) | |
| 619 { | |
| 620 if (ident == Id::offset) | |
| 621 { | |
| 622 if (!global.params.useDeprecated) | |
| 623 error(e->loc, ".offset deprecated, use .offsetof"); | |
| 624 goto Loffset; | |
| 625 } | |
| 626 else if (ident == Id::offsetof) | |
| 627 { | |
| 628 Loffset: | |
| 629 if (v->storage_class & STCfield) | |
| 630 { | |
| 631 e = new IntegerExp(e->loc, v->offset, Type::tsize_t); | |
| 632 return e; | |
| 633 } | |
| 634 } | |
| 635 else if (ident == Id::init) | |
| 636 { | |
| 637 #if 0 | |
| 638 if (v->init) | |
| 639 { | |
| 640 if (v->init->isVoidInitializer()) | |
| 641 error(e->loc, "%s.init is void", v->toChars()); | |
| 642 else | |
| 643 { Loc loc = e->loc; | |
| 644 e = v->init->toExpression(); | |
| 645 if (e->op == TOKassign || e->op == TOKconstruct) | |
| 646 { | |
| 647 e = ((AssignExp *)e)->e2; | |
| 648 | |
| 649 /* Take care of case where we used a 0 | |
| 650 * to initialize the struct. | |
| 651 */ | |
| 652 if (e->type == Type::tint32 && | |
| 653 e->isBool(0) && | |
| 654 v->type->toBasetype()->ty == Tstruct) | |
| 655 { | |
| 656 e = v->type->defaultInit(loc); | |
| 657 } | |
| 658 } | |
| 659 e = e->optimize(WANTvalue | WANTinterpret); | |
| 660 // if (!e->isConst()) | |
| 661 // error(loc, ".init cannot be evaluated at compile time"); | |
| 662 } | |
| 663 return e; | |
| 664 } | |
| 665 #endif | |
| 666 Expression *ex = defaultInit(e->loc); | |
| 667 return ex; | |
| 668 } | |
| 669 } | |
| 670 if (ident == Id::typeinfo) | |
| 671 { | |
| 672 if (!global.params.useDeprecated) | |
| 673 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 674 e = getTypeInfo(sc); | |
| 675 return e; | |
| 676 } | |
| 677 if (ident == Id::stringof) | |
| 678 { char *s = e->toChars(); | |
| 679 e = new StringExp(e->loc, s, strlen(s), 'c'); | |
| 680 Scope sc; | |
| 681 e = e->semantic(&sc); | |
| 682 return e; | |
| 683 } | |
| 684 return getProperty(e->loc, ident); | |
| 685 } | |
| 686 | |
| 687 unsigned Type::memalign(unsigned salign) | |
| 688 { | |
| 689 return salign; | |
| 690 } | |
| 691 | |
| 692 void Type::error(Loc loc, const char *format, ...) | |
| 693 { | |
| 694 va_list ap; | |
| 695 va_start(ap, format); | |
| 696 ::verror(loc, format, ap); | |
| 697 va_end( ap ); | |
| 698 } | |
| 699 | |
| 700 Identifier *Type::getTypeInfoIdent(int internal) | |
| 701 { | |
| 702 // _init_10TypeInfo_%s | |
| 703 OutBuffer buf; | |
| 704 Identifier *id; | |
| 705 char *name; | |
| 706 int len; | |
| 707 | |
| 708 //toTypeInfoBuffer(&buf); | |
| 709 if (internal) | |
| 710 { buf.writeByte(mangleChar[ty]); | |
| 711 if (ty == Tarray) | |
| 712 buf.writeByte(mangleChar[next->ty]); | |
| 713 } | |
| 714 else | |
| 715 toDecoBuffer(&buf); | |
| 716 len = buf.offset; | |
| 717 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1); | |
| 718 buf.writeByte(0); | |
| 719 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data); | |
| 720 if (global.params.isWindows) | |
| 721 name++; // C mangling will add it back in | |
| 722 //printf("name = %s\n", name); | |
| 723 id = Lexer::idPool(name); | |
| 724 return id; | |
| 725 } | |
| 726 | |
| 727 TypeBasic *Type::isTypeBasic() | |
| 728 { | |
| 729 return NULL; | |
| 730 } | |
| 731 | |
| 732 | |
| 733 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 734 { | |
| 735 Type *t; | |
| 736 | |
| 737 t = semantic(loc, sc); | |
| 738 *pt = t; | |
| 739 *pe = NULL; | |
| 740 *ps = NULL; | |
| 741 } | |
| 742 | |
| 743 /******************************* | |
| 744 * If one of the subtypes of this type is a TypeIdentifier, | |
| 745 * i.e. it's an unresolved type, return that type. | |
| 746 */ | |
| 747 | |
| 748 Type *Type::reliesOnTident() | |
| 749 { | |
| 750 if (!next) | |
| 751 return NULL; | |
| 752 else | |
| 753 return next->reliesOnTident(); | |
| 754 } | |
| 755 | |
| 756 /******************************** | |
| 757 * We've mistakenly parsed this as a type. | |
| 758 * Redo it as an Expression. | |
| 759 * NULL if cannot. | |
| 760 */ | |
| 761 | |
| 762 Expression *Type::toExpression() | |
| 763 { | |
| 764 return NULL; | |
| 765 } | |
| 766 | |
| 767 /*************************************** | |
| 768 * Return !=0 if type has pointers that need to | |
| 769 * be scanned by the GC during a collection cycle. | |
| 770 */ | |
| 771 | |
| 772 int Type::hasPointers() | |
| 773 { | |
| 774 return FALSE; | |
| 775 } | |
| 776 | |
| 777 /* ============================= TypeBasic =========================== */ | |
| 778 | |
| 779 TypeBasic::TypeBasic(TY ty) | |
| 780 : Type(ty, NULL) | |
| 781 { char *c; | |
| 782 char *d; | |
| 783 unsigned flags; | |
| 784 | |
| 785 #define TFLAGSintegral 1 | |
| 786 #define TFLAGSfloating 2 | |
| 787 #define TFLAGSunsigned 4 | |
| 788 #define TFLAGSreal 8 | |
| 789 #define TFLAGSimaginary 0x10 | |
| 790 #define TFLAGScomplex 0x20 | |
| 791 | |
| 792 flags = 0; | |
| 793 switch (ty) | |
| 794 { | |
| 795 case Tvoid: d = Token::toChars(TOKvoid); | |
| 796 c = "void"; | |
| 797 break; | |
| 798 | |
| 799 case Tint8: d = Token::toChars(TOKint8); | |
| 800 c = "byte"; | |
| 801 flags |= TFLAGSintegral; | |
| 802 break; | |
| 803 | |
| 804 case Tuns8: d = Token::toChars(TOKuns8); | |
| 805 c = "ubyte"; | |
| 806 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 807 break; | |
| 808 | |
| 809 case Tint16: d = Token::toChars(TOKint16); | |
| 810 c = "short"; | |
| 811 flags |= TFLAGSintegral; | |
| 812 break; | |
| 813 | |
| 814 case Tuns16: d = Token::toChars(TOKuns16); | |
| 815 c = "ushort"; | |
| 816 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 817 break; | |
| 818 | |
| 819 case Tint32: d = Token::toChars(TOKint32); | |
| 820 c = "int"; | |
| 821 flags |= TFLAGSintegral; | |
| 822 break; | |
| 823 | |
| 824 case Tuns32: d = Token::toChars(TOKuns32); | |
| 825 c = "uint"; | |
| 826 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 827 break; | |
| 828 | |
| 829 case Tfloat32: d = Token::toChars(TOKfloat32); | |
| 830 c = "float"; | |
| 831 flags |= TFLAGSfloating | TFLAGSreal; | |
| 832 break; | |
| 833 | |
| 834 case Tint64: d = Token::toChars(TOKint64); | |
| 835 c = "long"; | |
| 836 flags |= TFLAGSintegral; | |
| 837 break; | |
| 838 | |
| 839 case Tuns64: d = Token::toChars(TOKuns64); | |
| 840 c = "ulong"; | |
| 841 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 842 break; | |
| 843 | |
| 844 case Tfloat64: d = Token::toChars(TOKfloat64); | |
| 845 c = "double"; | |
| 846 flags |= TFLAGSfloating | TFLAGSreal; | |
| 847 break; | |
| 848 | |
| 849 case Tfloat80: d = Token::toChars(TOKfloat80); | |
| 850 c = "real"; | |
| 851 flags |= TFLAGSfloating | TFLAGSreal; | |
| 852 break; | |
| 853 | |
| 854 case Timaginary32: d = Token::toChars(TOKimaginary32); | |
| 855 c = "ifloat"; | |
| 856 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 857 break; | |
| 858 | |
| 859 case Timaginary64: d = Token::toChars(TOKimaginary64); | |
| 860 c = "idouble"; | |
| 861 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 862 break; | |
| 863 | |
| 864 case Timaginary80: d = Token::toChars(TOKimaginary80); | |
| 865 c = "ireal"; | |
| 866 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 867 break; | |
| 868 | |
| 869 case Tcomplex32: d = Token::toChars(TOKcomplex32); | |
| 870 c = "cfloat"; | |
| 871 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 872 break; | |
| 873 | |
| 874 case Tcomplex64: d = Token::toChars(TOKcomplex64); | |
| 875 c = "cdouble"; | |
| 876 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 877 break; | |
| 878 | |
| 879 case Tcomplex80: d = Token::toChars(TOKcomplex80); | |
| 880 c = "creal"; | |
| 881 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 882 break; | |
| 883 | |
| 884 | |
| 885 case Tbit: d = Token::toChars(TOKbit); | |
| 886 c = "bit"; | |
| 887 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 888 break; | |
| 889 | |
| 890 case Tbool: d = "bool"; | |
| 891 c = d; | |
| 892 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 893 break; | |
| 894 | |
| 895 case Tascii: d = Token::toChars(TOKchar); | |
| 896 c = "char"; | |
| 897 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 898 break; | |
| 899 | |
| 900 case Twchar: d = Token::toChars(TOKwchar); | |
| 901 c = "wchar"; | |
| 902 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 903 break; | |
| 904 | |
| 905 case Tdchar: d = Token::toChars(TOKdchar); | |
| 906 c = "dchar"; | |
| 907 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 908 break; | |
| 909 | |
| 910 default: assert(0); | |
| 911 } | |
| 912 this->dstring = d; | |
| 913 this->cstring = c; | |
| 914 this->flags = flags; | |
| 915 merge(); | |
| 916 } | |
| 917 | |
| 918 Type *TypeBasic::syntaxCopy() | |
| 919 { | |
| 920 // No semantic analysis done on basic types, no need to copy | |
| 921 return this; | |
| 922 } | |
| 923 | |
| 924 | |
| 925 char *TypeBasic::toChars() | |
| 926 { | |
| 927 return dstring; | |
| 928 } | |
| 929 | |
| 930 void TypeBasic::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 931 { | |
| 932 //printf("TypeBasic::toCBuffer2(mod = %d, this->mod = %d)\n", mod, this->mod); | |
| 933 if (mod != this->mod) | |
| 934 { toCBuffer3(buf, hgs, mod); | |
| 935 return; | |
| 936 } | |
| 937 buf->writestring(dstring); | |
| 938 } | |
| 939 | |
| 940 d_uns64 TypeBasic::size(Loc loc) | |
| 941 { unsigned size; | |
| 942 | |
| 943 //printf("TypeBasic::size()\n"); | |
| 944 switch (ty) | |
| 945 { | |
| 946 case Tint8: | |
| 947 case Tuns8: size = 1; break; | |
| 948 case Tint16: | |
| 949 case Tuns16: size = 2; break; | |
| 950 case Tint32: | |
| 951 case Tuns32: | |
| 952 case Tfloat32: | |
| 953 case Timaginary32: | |
| 954 size = 4; break; | |
| 955 case Tint64: | |
| 956 case Tuns64: | |
| 957 case Tfloat64: | |
| 958 case Timaginary64: | |
| 959 size = 8; break; | |
| 960 case Tfloat80: | |
| 961 case Timaginary80: | |
| 962 size = REALSIZE; break; | |
| 963 case Tcomplex32: | |
| 964 size = 8; break; | |
| 965 case Tcomplex64: | |
| 966 size = 16; break; | |
| 967 case Tcomplex80: | |
| 968 size = REALSIZE * 2; break; | |
| 969 | |
| 970 case Tvoid: | |
| 971 //size = Type::size(); // error message | |
| 972 size = 1; | |
| 973 break; | |
| 974 | |
| 975 case Tbit: size = 1; break; | |
| 976 case Tbool: size = 1; break; | |
| 977 case Tascii: size = 1; break; | |
| 978 case Twchar: size = 2; break; | |
| 979 case Tdchar: size = 4; break; | |
| 980 | |
| 981 default: | |
| 982 assert(0); | |
| 983 break; | |
| 984 } | |
| 985 //printf("TypeBasic::size() = %d\n", size); | |
| 986 return size; | |
| 987 } | |
| 988 | |
| 989 unsigned TypeBasic::alignsize() | |
| 990 { unsigned sz; | |
| 991 | |
| 992 switch (ty) | |
| 993 { | |
| 994 case Tfloat80: | |
| 995 case Timaginary80: | |
| 996 case Tcomplex80: | |
| 997 sz = REALSIZE; | |
| 998 break; | |
| 999 | |
| 1000 default: | |
| 1001 sz = size(0); | |
| 1002 break; | |
| 1003 } | |
| 1004 return sz; | |
| 1005 } | |
| 1006 | |
| 1007 | |
| 1008 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident) | |
| 1009 { | |
| 1010 Expression *e; | |
| 1011 d_int64 ivalue; | |
| 1012 #ifdef IN_GCC | |
| 1013 real_t fvalue; | |
| 1014 #else | |
| 1015 d_float80 fvalue; | |
| 1016 #endif | |
| 1017 | |
| 1018 //printf("TypeBasic::getProperty('%s')\n", ident->toChars()); | |
| 1019 if (ident == Id::max) | |
| 1020 { | |
| 1021 switch (ty) | |
| 1022 { | |
| 1023 case Tint8: ivalue = 0x7F; goto Livalue; | |
| 1024 case Tuns8: ivalue = 0xFF; goto Livalue; | |
| 1025 case Tint16: ivalue = 0x7FFFUL; goto Livalue; | |
| 1026 case Tuns16: ivalue = 0xFFFFUL; goto Livalue; | |
| 1027 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue; | |
| 1028 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue; | |
| 1029 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue; | |
| 1030 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue; | |
| 1031 case Tbit: ivalue = 1; goto Livalue; | |
| 1032 case Tbool: ivalue = 1; goto Livalue; | |
| 1033 case Tchar: ivalue = 0xFF; goto Livalue; | |
| 1034 case Twchar: ivalue = 0xFFFFUL; goto Livalue; | |
| 1035 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue; | |
| 1036 | |
| 1037 case Tcomplex32: | |
| 1038 case Timaginary32: | |
| 1039 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue; | |
| 1040 case Tcomplex64: | |
| 1041 case Timaginary64: | |
| 1042 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue; | |
| 1043 case Tcomplex80: | |
| 1044 case Timaginary80: | |
| 1045 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue; | |
| 1046 } | |
| 1047 } | |
| 1048 else if (ident == Id::min) | |
| 1049 { | |
| 1050 switch (ty) | |
| 1051 { | |
| 1052 case Tint8: ivalue = -128; goto Livalue; | |
| 1053 case Tuns8: ivalue = 0; goto Livalue; | |
| 1054 case Tint16: ivalue = -32768; goto Livalue; | |
| 1055 case Tuns16: ivalue = 0; goto Livalue; | |
| 1056 case Tint32: ivalue = -2147483647L - 1; goto Livalue; | |
| 1057 case Tuns32: ivalue = 0; goto Livalue; | |
| 1058 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue; | |
| 1059 case Tuns64: ivalue = 0; goto Livalue; | |
| 1060 case Tbit: ivalue = 0; goto Livalue; | |
| 1061 case Tbool: ivalue = 0; goto Livalue; | |
| 1062 case Tchar: ivalue = 0; goto Livalue; | |
| 1063 case Twchar: ivalue = 0; goto Livalue; | |
| 1064 case Tdchar: ivalue = 0; goto Livalue; | |
| 1065 | |
| 1066 case Tcomplex32: | |
| 1067 case Timaginary32: | |
| 1068 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue; | |
| 1069 case Tcomplex64: | |
| 1070 case Timaginary64: | |
| 1071 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue; | |
| 1072 case Tcomplex80: | |
| 1073 case Timaginary80: | |
| 1074 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue; | |
| 1075 } | |
| 1076 } | |
| 1077 else if (ident == Id::nan) | |
| 1078 { | |
| 1079 switch (ty) | |
| 1080 { | |
| 1081 case Tcomplex32: | |
| 1082 case Tcomplex64: | |
| 1083 case Tcomplex80: | |
| 1084 case Timaginary32: | |
| 1085 case Timaginary64: | |
| 1086 case Timaginary80: | |
| 1087 case Tfloat32: | |
| 1088 case Tfloat64: | |
| 1089 case Tfloat80: | |
| 1090 { | |
| 1091 #if IN_GCC | |
| 1092 // mode doesn't matter, will be converted in RealExp anyway | |
| 1093 fvalue = real_t::getnan(real_t::LongDouble); | |
| 1094 #elif __GNUC__ | |
| 1095 // gcc nan's have the sign bit set by default, so turn it off | |
| 1096 // Need the volatile to prevent gcc from doing incorrect | |
| 1097 // constant folding. | |
| 1098 volatile d_float80 foo; | |
| 1099 foo = NAN; | |
| 1100 if (signbit(foo)) // signbit sometimes, not always, set | |
| 1101 foo = -foo; // turn off sign bit | |
| 1102 fvalue = foo; | |
| 1103 #elif _MSC_VER | |
| 1104 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF }; | |
| 1105 fvalue = *(double*)nan; | |
| 1106 #else | |
| 1107 fvalue = NAN; | |
| 1108 #endif | |
| 1109 goto Lfvalue; | |
| 1110 } | |
| 1111 } | |
| 1112 } | |
| 1113 else if (ident == Id::infinity) | |
| 1114 { | |
| 1115 switch (ty) | |
| 1116 { | |
| 1117 case Tcomplex32: | |
| 1118 case Tcomplex64: | |
| 1119 case Tcomplex80: | |
| 1120 case Timaginary32: | |
| 1121 case Timaginary64: | |
| 1122 case Timaginary80: | |
| 1123 case Tfloat32: | |
| 1124 case Tfloat64: | |
| 1125 case Tfloat80: | |
| 1126 #if IN_GCC | |
| 1127 fvalue = real_t::getinfinity(); | |
| 1128 #elif __GNUC__ | |
| 1129 fvalue = 1 / zero; | |
| 1130 #elif _MSC_VER | |
| 1131 fvalue = std::numeric_limits<long double>::infinity(); | |
| 1132 #else | |
| 1133 fvalue = INFINITY; | |
| 1134 #endif | |
| 1135 goto Lfvalue; | |
| 1136 } | |
| 1137 } | |
| 1138 else if (ident == Id::dig) | |
| 1139 { | |
| 1140 switch (ty) | |
| 1141 { | |
| 1142 case Tcomplex32: | |
| 1143 case Timaginary32: | |
| 1144 case Tfloat32: ivalue = FLT_DIG; goto Lint; | |
| 1145 case Tcomplex64: | |
| 1146 case Timaginary64: | |
| 1147 case Tfloat64: ivalue = DBL_DIG; goto Lint; | |
| 1148 case Tcomplex80: | |
| 1149 case Timaginary80: | |
| 1150 case Tfloat80: ivalue = LDBL_DIG; goto Lint; | |
| 1151 } | |
| 1152 } | |
| 1153 else if (ident == Id::epsilon) | |
| 1154 { | |
| 1155 switch (ty) | |
| 1156 { | |
| 1157 case Tcomplex32: | |
| 1158 case Timaginary32: | |
| 1159 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue; | |
| 1160 case Tcomplex64: | |
| 1161 case Timaginary64: | |
| 1162 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue; | |
| 1163 case Tcomplex80: | |
| 1164 case Timaginary80: | |
| 1165 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue; | |
| 1166 } | |
| 1167 } | |
| 1168 else if (ident == Id::mant_dig) | |
| 1169 { | |
| 1170 switch (ty) | |
| 1171 { | |
| 1172 case Tcomplex32: | |
| 1173 case Timaginary32: | |
| 1174 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint; | |
| 1175 case Tcomplex64: | |
| 1176 case Timaginary64: | |
| 1177 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint; | |
| 1178 case Tcomplex80: | |
| 1179 case Timaginary80: | |
| 1180 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint; | |
| 1181 } | |
| 1182 } | |
| 1183 else if (ident == Id::max_10_exp) | |
| 1184 { | |
| 1185 switch (ty) | |
| 1186 { | |
| 1187 case Tcomplex32: | |
| 1188 case Timaginary32: | |
| 1189 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint; | |
| 1190 case Tcomplex64: | |
| 1191 case Timaginary64: | |
| 1192 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint; | |
| 1193 case Tcomplex80: | |
| 1194 case Timaginary80: | |
| 1195 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint; | |
| 1196 } | |
| 1197 } | |
| 1198 else if (ident == Id::max_exp) | |
| 1199 { | |
| 1200 switch (ty) | |
| 1201 { | |
| 1202 case Tcomplex32: | |
| 1203 case Timaginary32: | |
| 1204 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint; | |
| 1205 case Tcomplex64: | |
| 1206 case Timaginary64: | |
| 1207 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint; | |
| 1208 case Tcomplex80: | |
| 1209 case Timaginary80: | |
| 1210 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint; | |
| 1211 } | |
| 1212 } | |
| 1213 else if (ident == Id::min_10_exp) | |
| 1214 { | |
| 1215 switch (ty) | |
| 1216 { | |
| 1217 case Tcomplex32: | |
| 1218 case Timaginary32: | |
| 1219 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint; | |
| 1220 case Tcomplex64: | |
| 1221 case Timaginary64: | |
| 1222 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint; | |
| 1223 case Tcomplex80: | |
| 1224 case Timaginary80: | |
| 1225 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint; | |
| 1226 } | |
| 1227 } | |
| 1228 else if (ident == Id::min_exp) | |
| 1229 { | |
| 1230 switch (ty) | |
| 1231 { | |
| 1232 case Tcomplex32: | |
| 1233 case Timaginary32: | |
| 1234 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint; | |
| 1235 case Tcomplex64: | |
| 1236 case Timaginary64: | |
| 1237 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint; | |
| 1238 case Tcomplex80: | |
| 1239 case Timaginary80: | |
| 1240 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint; | |
| 1241 } | |
| 1242 } | |
| 1243 | |
| 1244 Ldefault: | |
| 1245 return Type::getProperty(loc, ident); | |
| 1246 | |
| 1247 Livalue: | |
| 1248 e = new IntegerExp(loc, ivalue, this); | |
| 1249 return e; | |
| 1250 | |
| 1251 Lfvalue: | |
| 1252 if (isreal() || isimaginary()) | |
| 1253 e = new RealExp(loc, fvalue, this); | |
| 1254 else | |
| 1255 { | |
| 1256 complex_t cvalue; | |
| 1257 | |
| 1258 #if __DMC__ | |
| 1259 //((real_t *)&cvalue)[0] = fvalue; | |
| 1260 //((real_t *)&cvalue)[1] = fvalue; | |
| 1261 cvalue = fvalue + fvalue * I; | |
| 1262 #else | |
| 1263 cvalue.re = fvalue; | |
| 1264 cvalue.im = fvalue; | |
| 1265 #endif | |
| 1266 //for (int i = 0; i < 20; i++) | |
| 1267 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 1268 //printf("\n"); | |
| 1269 e = new ComplexExp(loc, cvalue, this); | |
| 1270 } | |
| 1271 return e; | |
| 1272 | |
| 1273 Lint: | |
| 1274 e = new IntegerExp(loc, ivalue, Type::tint32); | |
| 1275 return e; | |
| 1276 } | |
| 1277 | |
| 1278 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1279 { | |
| 1280 #if LOGDOTEXP | |
| 1281 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1282 #endif | |
| 1283 Type *t; | |
| 1284 | |
| 1285 if (ident == Id::re) | |
| 1286 { | |
| 1287 switch (ty) | |
| 1288 { | |
| 1289 case Tcomplex32: t = tfloat32; goto L1; | |
| 1290 case Tcomplex64: t = tfloat64; goto L1; | |
| 1291 case Tcomplex80: t = tfloat80; goto L1; | |
| 1292 L1: | |
| 1293 e = e->castTo(sc, t); | |
| 1294 break; | |
| 1295 | |
| 1296 case Tfloat32: | |
| 1297 case Tfloat64: | |
| 1298 case Tfloat80: | |
| 1299 break; | |
| 1300 | |
| 1301 case Timaginary32: t = tfloat32; goto L2; | |
| 1302 case Timaginary64: t = tfloat64; goto L2; | |
| 1303 case Timaginary80: t = tfloat80; goto L2; | |
| 1304 L2: | |
| 1305 e = new RealExp(0, 0.0, t); | |
| 1306 break; | |
| 1307 | |
| 1308 default: | |
| 1309 return Type::getProperty(e->loc, ident); | |
| 1310 } | |
| 1311 } | |
| 1312 else if (ident == Id::im) | |
| 1313 { Type *t2; | |
| 1314 | |
| 1315 switch (ty) | |
| 1316 { | |
| 1317 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 1318 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 1319 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 1320 L3: | |
| 1321 e = e->castTo(sc, t); | |
| 1322 e->type = t2; | |
| 1323 break; | |
| 1324 | |
| 1325 case Timaginary32: t = tfloat32; goto L4; | |
| 1326 case Timaginary64: t = tfloat64; goto L4; | |
| 1327 case Timaginary80: t = tfloat80; goto L4; | |
| 1328 L4: | |
| 1329 e->type = t; | |
| 1330 break; | |
| 1331 | |
| 1332 case Tfloat32: | |
| 1333 case Tfloat64: | |
| 1334 case Tfloat80: | |
| 1335 e = new RealExp(0, 0.0, this); | |
| 1336 break; | |
| 1337 | |
| 1338 default: | |
| 1339 return Type::getProperty(e->loc, ident); | |
| 1340 } | |
| 1341 } | |
| 1342 else | |
| 1343 { | |
| 1344 return Type::dotExp(sc, e, ident); | |
| 1345 } | |
| 1346 return e; | |
| 1347 } | |
| 1348 | |
| 1349 Expression *TypeBasic::defaultInit(Loc loc) | |
| 1350 { integer_t value = 0; | |
| 1351 | |
| 1352 #if LOGDEFAULTINIT | |
| 1353 printf("TypeBasic::defaultInit() '%s'\n", toChars()); | |
| 1354 #endif | |
| 1355 switch (ty) | |
| 1356 { | |
| 1357 case Tchar: | |
| 1358 value = 0xFF; | |
| 1359 break; | |
| 1360 | |
| 1361 case Twchar: | |
| 1362 case Tdchar: | |
| 1363 value = 0xFFFF; | |
| 1364 break; | |
| 1365 | |
| 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 getProperty(loc, Id::nan); | |
| 1376 } | |
| 1377 return new IntegerExp(loc, value, this); | |
| 1378 } | |
| 1379 | |
| 1380 int TypeBasic::isZeroInit() | |
| 1381 { | |
| 1382 switch (ty) | |
| 1383 { | |
| 1384 case Tchar: | |
| 1385 case Twchar: | |
| 1386 case Tdchar: | |
| 1387 case Timaginary32: | |
| 1388 case Timaginary64: | |
| 1389 case Timaginary80: | |
| 1390 case Tfloat32: | |
| 1391 case Tfloat64: | |
| 1392 case Tfloat80: | |
| 1393 case Tcomplex32: | |
| 1394 case Tcomplex64: | |
| 1395 case Tcomplex80: | |
| 1396 return 0; // no | |
| 1397 } | |
| 1398 return 1; // yes | |
| 1399 } | |
| 1400 | |
| 1401 int TypeBasic::isbit() | |
| 1402 { | |
| 1403 return (ty == Tbit); | |
| 1404 } | |
| 1405 | |
| 1406 int TypeBasic::isintegral() | |
| 1407 { | |
| 1408 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags); | |
| 1409 return flags & TFLAGSintegral; | |
| 1410 } | |
| 1411 | |
| 1412 int TypeBasic::isfloating() | |
| 1413 { | |
| 1414 return flags & TFLAGSfloating; | |
| 1415 } | |
| 1416 | |
| 1417 int TypeBasic::isreal() | |
| 1418 { | |
| 1419 return flags & TFLAGSreal; | |
| 1420 } | |
| 1421 | |
| 1422 int TypeBasic::isimaginary() | |
| 1423 { | |
| 1424 return flags & TFLAGSimaginary; | |
| 1425 } | |
| 1426 | |
| 1427 int TypeBasic::iscomplex() | |
| 1428 { | |
| 1429 return flags & TFLAGScomplex; | |
| 1430 } | |
| 1431 | |
| 1432 int TypeBasic::isunsigned() | |
| 1433 { | |
| 1434 return flags & TFLAGSunsigned; | |
| 1435 } | |
| 1436 | |
| 1437 int TypeBasic::isscalar() | |
| 1438 { | |
| 1439 return flags & (TFLAGSintegral | TFLAGSfloating); | |
| 1440 } | |
| 1441 | |
| 1442 MATCH TypeBasic::implicitConvTo(Type *to) | |
| 1443 { | |
| 1444 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars()); | |
| 1445 if (this == to) | |
| 1446 return MATCHexact; | |
| 1447 | |
| 1448 if (ty == Tvoid || to->ty == Tvoid) | |
| 1449 return MATCHnomatch; | |
| 1450 if (1 || global.params.Dversion == 1) | |
| 1451 { | |
| 1452 if (to->ty == Tbool) | |
| 1453 return MATCHnomatch; | |
| 1454 } | |
| 1455 else | |
| 1456 { | |
| 1457 if (ty == Tbool || to->ty == Tbool) | |
| 1458 return MATCHnomatch; | |
| 1459 } | |
| 1460 if (!to->isTypeBasic()) | |
| 1461 return MATCHnomatch; | |
| 1462 | |
| 1463 TypeBasic *tob = (TypeBasic *)to; | |
| 1464 if (flags & TFLAGSintegral) | |
| 1465 { | |
| 1466 // Disallow implicit conversion of integers to imaginary or complex | |
| 1467 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex)) | |
| 1468 return MATCHnomatch; | |
| 1469 | |
| 1470 // If converting to integral | |
| 1471 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral) | |
| 1472 { d_uns64 sz = size(0); | |
| 1473 d_uns64 tosz = tob->size(0); | |
| 1474 | |
| 1475 /* Can't convert to smaller size or, if same size, change sign | |
| 1476 */ | |
| 1477 if (sz > tosz) | |
| 1478 return MATCHnomatch; | |
| 1479 | |
| 1480 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned) | |
| 1481 return MATCHnomatch;*/ | |
| 1482 } | |
| 1483 } | |
| 1484 else if (flags & TFLAGSfloating) | |
| 1485 { | |
| 1486 // Disallow implicit conversion of floating point to integer | |
| 1487 if (tob->flags & TFLAGSintegral) | |
| 1488 return MATCHnomatch; | |
| 1489 | |
| 1490 assert(tob->flags & TFLAGSfloating); | |
| 1491 | |
| 1492 // Disallow implicit conversion from complex to non-complex | |
| 1493 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex)) | |
| 1494 return MATCHnomatch; | |
| 1495 | |
| 1496 // Disallow implicit conversion of real or imaginary to complex | |
| 1497 if (flags & (TFLAGSreal | TFLAGSimaginary) && | |
| 1498 tob->flags & TFLAGScomplex) | |
| 1499 return MATCHnomatch; | |
| 1500 | |
| 1501 // Disallow implicit conversion to-from real and imaginary | |
| 1502 if ((flags & (TFLAGSreal | TFLAGSimaginary)) != | |
| 1503 (tob->flags & (TFLAGSreal | TFLAGSimaginary))) | |
| 1504 return MATCHnomatch; | |
| 1505 } | |
| 1506 return MATCHconvert; | |
| 1507 } | |
| 1508 | |
| 1509 TypeBasic *TypeBasic::isTypeBasic() | |
| 1510 { | |
| 1511 return (TypeBasic *)this; | |
| 1512 } | |
| 1513 | |
| 1514 /***************************** TypeArray *****************************/ | |
| 1515 | |
| 1516 TypeArray::TypeArray(TY ty, Type *next) | |
| 1517 : Type(ty, next) | |
| 1518 { | |
| 1519 } | |
| 1520 | |
| 1521 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1522 { | |
| 1523 Type *n = this->next->toBasetype(); // uncover any typedef's | |
| 1524 | |
| 1525 #if LOGDOTEXP | |
| 1526 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1527 #endif | |
| 1528 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar)) | |
| 1529 { | |
| 1530 Expression *ec; | |
| 1531 FuncDeclaration *fd; | |
| 1532 Expressions *arguments; | |
| 1533 char *nm; | |
| 1534 static char *name[2] = { "_adReverseChar", "_adReverseWchar" }; | |
| 1535 | |
| 1536 nm = name[n->ty == Twchar]; | |
| 1537 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); | |
| 1538 fd->runTimeHack = true; | |
| 1539 ec = new VarExp(0, fd); | |
| 1540 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1541 arguments = new Expressions(); | |
| 1542 arguments->push(e); | |
| 1543 e = new CallExp(e->loc, ec, arguments); | |
| 1544 e->type = next->arrayOf(); | |
| 1545 } | |
| 1546 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar)) | |
| 1547 { | |
| 1548 Expression *ec; | |
| 1549 FuncDeclaration *fd; | |
| 1550 Expressions *arguments; | |
| 1551 char *nm; | |
| 1552 static char *name[2] = { "_adSortChar", "_adSortWchar" }; | |
| 1553 | |
| 1554 nm = name[n->ty == Twchar]; | |
| 1555 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); | |
| 1556 fd->runTimeHack = true; | |
| 1557 ec = new VarExp(0, fd); | |
| 1558 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1559 arguments = new Expressions(); | |
| 1560 arguments->push(e); | |
| 1561 e = new CallExp(e->loc, ec, arguments); | |
| 1562 e->type = next->arrayOf(); | |
| 1563 } | |
| 1564 else if (ident == Id::reverse || ident == Id::dup) | |
| 1565 { | |
| 1566 Expression *ec; | |
| 1567 FuncDeclaration *fd; | |
| 1568 Expressions *arguments; | |
| 1569 int size = next->size(e->loc); | |
| 1570 int dup; | |
| 1571 | |
| 1572 assert(size); | |
| 1573 dup = (ident == Id::dup); | |
| 1574 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), dup ? Id::adDup : Id::adReverse); | |
| 1575 fd->runTimeHack = true; | |
| 1576 ec = new VarExp(0, fd); | |
| 1577 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1578 arguments = new Expressions(); | |
| 1579 if (dup) | |
| 1580 arguments->push(getTypeInfo(sc)); | |
| 1581 arguments->push(e); | |
| 1582 if (!dup) | |
| 1583 arguments->push(new IntegerExp(0, size, Type::tint32)); | |
| 1584 e = new CallExp(e->loc, ec, arguments); | |
| 1585 e->type = next->arrayOf(); | |
| 1586 } | |
| 1587 else if (ident == Id::sort) | |
| 1588 { | |
| 1589 Expression *ec; | |
| 1590 FuncDeclaration *fd; | |
| 1591 Expressions *arguments; | |
| 1592 | |
| 1593 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), | |
| 1594 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort")); | |
| 1595 fd->runTimeHack = true; | |
| 1596 ec = new VarExp(0, fd); | |
| 1597 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1598 arguments = new Expressions(); | |
| 1599 arguments->push(e); | |
| 1600 if (next->ty != Tbit) | |
| 1601 arguments->push(n->ty == Tsarray | |
| 1602 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1603 : n->getInternalTypeInfo(sc)); | |
| 1604 e = new CallExp(e->loc, ec, arguments); | |
| 1605 e->type = next->arrayOf(); | |
| 1606 } | |
| 1607 else | |
| 1608 { | |
| 1609 e = Type::dotExp(sc, e, ident); | |
| 1610 } | |
| 1611 return e; | |
| 1612 } | |
| 1613 | |
| 1614 | |
| 1615 /***************************** TypeSArray *****************************/ | |
| 1616 | |
| 1617 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1618 : TypeArray(Tsarray, t) | |
| 1619 { | |
| 1620 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1621 this->dim = dim; | |
| 1622 } | |
| 1623 | |
| 1624 Type *TypeSArray::syntaxCopy() | |
| 1625 { | |
| 1626 Type *t = next->syntaxCopy(); | |
| 1627 Expression *e = dim->syntaxCopy(); | |
| 1628 t = new TypeSArray(t, e); | |
| 1629 return t; | |
| 1630 } | |
| 1631 | |
| 1632 d_uns64 TypeSArray::size(Loc loc) | |
| 1633 { integer_t sz; | |
| 1634 | |
| 1635 if (!dim) | |
| 1636 return Type::size(loc); | |
| 1637 sz = dim->toInteger(); | |
| 1638 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1639 { | |
| 1640 if (sz + 31 < sz) | |
| 1641 goto Loverflow; | |
| 1642 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1643 } | |
| 1644 else | |
| 1645 { integer_t n, n2; | |
| 1646 | |
| 1647 n = next->size(); | |
| 1648 n2 = n * sz; | |
| 1649 if (n && (n2 / n) != sz) | |
| 1650 goto Loverflow; | |
| 1651 sz = n2; | |
| 1652 } | |
| 1653 return sz; | |
| 1654 | |
| 1655 Loverflow: | |
| 1656 error(loc, "index %jd overflow for static array", sz); | |
| 1657 return 1; | |
| 1658 } | |
| 1659 | |
| 1660 unsigned TypeSArray::alignsize() | |
| 1661 { | |
| 1662 return next->alignsize(); | |
| 1663 } | |
| 1664 | |
| 1665 /************************** | |
| 1666 * This evaluates exp while setting length to be the number | |
| 1667 * of elements in the tuple t. | |
| 1668 */ | |
| 1669 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1670 { | |
| 1671 if (t->ty == Ttuple) | |
| 1672 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1673 sym->parent = sc->scopesym; | |
| 1674 sc = sc->push(sym); | |
| 1675 | |
| 1676 exp = exp->semantic(sc); | |
| 1677 | |
| 1678 sc->pop(); | |
| 1679 } | |
| 1680 else | |
| 1681 exp = exp->semantic(sc); | |
| 1682 return exp; | |
| 1683 } | |
| 1684 | |
| 1685 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1686 { | |
| 1687 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1688 sym->parent = sc->scopesym; | |
| 1689 sc = sc->push(sym); | |
| 1690 | |
| 1691 exp = exp->semantic(sc); | |
| 1692 | |
| 1693 sc->pop(); | |
| 1694 return exp; | |
| 1695 } | |
| 1696 | |
| 1697 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1698 { | |
| 1699 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1700 next->resolve(loc, sc, pe, pt, ps); | |
| 1701 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1702 if (*pe) | |
| 1703 { // It's really an index expression | |
| 1704 Expression *e; | |
| 1705 e = new IndexExp(loc, *pe, dim); | |
| 1706 *pe = e; | |
| 1707 } | |
| 1708 else if (*ps) | |
| 1709 { Dsymbol *s = *ps; | |
| 1710 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1711 if (td) | |
| 1712 { | |
| 1713 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1714 sym->parent = sc->scopesym; | |
| 1715 sc = sc->push(sym); | |
| 1716 | |
| 1717 dim = dim->semantic(sc); | |
| 1718 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1719 uinteger_t d = dim->toUInteger(); | |
| 1720 | |
| 1721 sc = sc->pop(); | |
| 1722 | |
| 1723 if (d >= td->objects->dim) | |
| 1724 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1725 goto Ldefault; | |
| 1726 } | |
| 1727 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1728 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1729 { | |
| 1730 *ps = (Dsymbol *)o; | |
| 1731 return; | |
| 1732 } | |
| 1733 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1734 { | |
| 1735 *ps = NULL; | |
| 1736 *pe = (Expression *)o; | |
| 1737 return; | |
| 1738 } | |
| 1739 | |
| 1740 /* Create a new TupleDeclaration which | |
| 1741 * is a slice [d..d+1] out of the old one. | |
| 1742 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1743 * can handle unresolved Objects this way. | |
| 1744 */ | |
| 1745 Objects *objects = new Objects; | |
| 1746 objects->setDim(1); | |
| 1747 objects->data[0] = o; | |
| 1748 | |
| 1749 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1750 *ps = tds; | |
| 1751 } | |
| 1752 else | |
| 1753 goto Ldefault; | |
| 1754 } | |
| 1755 else | |
| 1756 { | |
| 1757 Ldefault: | |
| 1758 Type::resolve(loc, sc, pe, pt, ps); | |
| 1759 } | |
| 1760 } | |
| 1761 | |
| 1762 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1763 { | |
| 1764 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1765 | |
| 1766 Type *t; | |
| 1767 Expression *e; | |
| 1768 Dsymbol *s; | |
| 1769 next->resolve(loc, sc, &e, &t, &s); | |
| 1770 if (dim && s && s->isTupleDeclaration()) | |
| 1771 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1772 | |
| 1773 dim = semanticLength(sc, sd, dim); | |
| 1774 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1775 uinteger_t d = dim->toUInteger(); | |
| 1776 | |
| 1777 if (d >= sd->objects->dim) | |
| 1778 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1779 return Type::terror; | |
| 1780 } | |
| 1781 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1782 if (o->dyncast() != DYNCAST_TYPE) | |
| 1783 { error(loc, "%s is not a type", toChars()); | |
| 1784 return Type::terror; | |
| 1785 } | |
| 1786 t = (Type *)o; | |
| 1787 return t; | |
| 1788 } | |
| 1789 | |
| 1790 next = next->semantic(loc,sc); | |
| 1791 Type *tbn = next->toBasetype(); | |
| 1792 | |
| 1793 if (dim) | |
| 1794 { integer_t n, n2; | |
| 1795 | |
| 1796 dim = semanticLength(sc, tbn, dim); | |
| 1797 | |
| 1798 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1799 if (sc->parameterSpecialization && dim->op == TOKvar && | |
| 1800 ((VarExp *)dim)->var->storage_class & STCtemplateparameter) | |
| 1801 { | |
| 1802 /* It could be a template parameter N which has no value yet: | |
| 1803 * template Foo(T : T[N], size_t N); | |
| 1804 */ | |
| 1805 return this; | |
| 1806 } | |
| 1807 integer_t d1 = dim->toInteger(); | |
| 1808 dim = dim->castTo(sc, tsize_t); | |
| 1809 dim = dim->optimize(WANTvalue); | |
| 1810 integer_t d2 = dim->toInteger(); | |
| 1811 | |
| 1812 if (d1 != d2) | |
| 1813 goto Loverflow; | |
| 1814 | |
| 1815 if (tbn->isintegral() || | |
| 1816 tbn->isfloating() || | |
| 1817 tbn->ty == Tpointer || | |
| 1818 tbn->ty == Tarray || | |
| 1819 tbn->ty == Tsarray || | |
| 1820 tbn->ty == Taarray || | |
| 1821 tbn->ty == Tclass) | |
| 1822 { | |
| 1823 /* Only do this for types that don't need to have semantic() | |
| 1824 * run on them for the size, since they may be forward referenced. | |
| 1825 */ | |
| 1826 n = tbn->size(loc); | |
| 1827 n2 = n * d2; | |
| 1828 if ((int)n2 < 0) | |
| 1829 goto Loverflow; | |
| 1830 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1831 goto Loverflow; | |
| 1832 if (n && n2 / n != d2) | |
| 1833 { | |
| 1834 Loverflow: | |
| 1835 error(loc, "index %jd overflow for static array", d1); | |
| 1836 dim = new IntegerExp(0, 1, tsize_t); | |
| 1837 } | |
| 1838 } | |
| 1839 } | |
| 1840 switch (tbn->ty) | |
| 1841 { | |
| 1842 case Ttuple: | |
| 1843 { // Index the tuple to get the type | |
| 1844 assert(dim); | |
| 1845 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1846 uinteger_t d = dim->toUInteger(); | |
| 1847 | |
| 1848 if (d >= tt->arguments->dim) | |
| 1849 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1850 return Type::terror; | |
| 1851 } | |
| 1852 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1853 return arg->type; | |
| 1854 } | |
| 1855 case Tfunction: | |
| 1856 case Tnone: | |
| 1857 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1858 tbn = next = tint32; | |
| 1859 break; | |
| 1860 } | |
| 1861 if (tbn->isauto()) | |
| 1862 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1863 return merge(); | |
| 1864 } | |
| 1865 | |
| 1866 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1867 { | |
| 1868 buf->writeByte(mangleChar[ty]); | |
| 1869 if (dim) | |
| 1870 buf->printf("%ju", dim->toInteger()); | |
| 1871 if (next) | |
| 1872 next->toDecoBuffer(buf); | |
| 1873 } | |
| 1874 | |
| 1875 void TypeSArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 1876 { | |
| 1877 if (mod != this->mod) | |
| 1878 { toCBuffer3(buf, hgs, mod); | |
| 1879 return; | |
| 1880 } | |
| 1881 next->toCBuffer2(buf, hgs, this->mod); | |
| 1882 buf->printf("[%s]", dim->toChars()); | |
| 1883 } | |
| 1884 | |
| 1885 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1886 { | |
| 1887 #if LOGDOTEXP | |
| 1888 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1889 #endif | |
| 1890 if (ident == Id::length) | |
| 1891 { | |
| 1892 e = dim; | |
| 1893 } | |
| 1894 else if (ident == Id::ptr) | |
| 1895 { | |
| 1896 e = e->castTo(sc, next->pointerTo()); | |
| 1897 } | |
| 1898 else | |
| 1899 { | |
| 1900 e = TypeArray::dotExp(sc, e, ident); | |
| 1901 } | |
| 1902 return e; | |
| 1903 } | |
| 1904 | |
| 1905 int TypeSArray::isString() | |
| 1906 { | |
| 1907 TY nty = next->toBasetype()->ty; | |
| 1908 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1909 } | |
| 1910 | |
| 1911 unsigned TypeSArray::memalign(unsigned salign) | |
| 1912 { | |
| 1913 return next->memalign(salign); | |
| 1914 } | |
| 1915 | |
| 1916 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1917 { | |
| 1918 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1919 | |
| 1920 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1921 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1922 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1923 /*|| to->next->isBaseOf(next)*/)) | |
| 1924 { | |
| 1925 return MATCHconvert; | |
| 1926 } | |
| 1927 if (to->ty == Tarray) | |
| 1928 { int offset = 0; | |
| 1929 | |
| 1930 if (next->equals(to->next) || | |
| 1931 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1932 to->next->ty == Tvoid) | |
| 1933 return MATCHconvert; | |
| 1934 } | |
| 1935 #if 0 | |
| 1936 if (to->ty == Tsarray) | |
| 1937 { | |
| 1938 TypeSArray *tsa = (TypeSArray *)to; | |
| 1939 | |
| 1940 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1941 { | |
| 1942 return MATCHconvert; | |
| 1943 } | |
| 1944 } | |
| 1945 #endif | |
| 1946 return Type::implicitConvTo(to); | |
| 1947 } | |
| 1948 | |
| 1949 Expression *TypeSArray::defaultInit(Loc loc) | |
| 1950 { | |
| 1951 #if LOGDEFAULTINIT | |
| 1952 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1953 #endif | |
| 1954 return next->defaultInit(loc); | |
| 1955 } | |
| 1956 | |
| 1957 int TypeSArray::isZeroInit() | |
| 1958 { | |
| 1959 return next->isZeroInit(); | |
| 1960 } | |
| 1961 | |
| 1962 | |
| 1963 Expression *TypeSArray::toExpression() | |
| 1964 { | |
| 1965 Expression *e = next->toExpression(); | |
| 1966 if (e) | |
| 1967 { Expressions *arguments = new Expressions(); | |
| 1968 arguments->push(dim); | |
| 1969 e = new ArrayExp(dim->loc, e, arguments); | |
| 1970 } | |
| 1971 return e; | |
| 1972 } | |
| 1973 | |
| 1974 int TypeSArray::hasPointers() | |
| 1975 { | |
| 1976 return next->hasPointers(); | |
| 1977 } | |
| 1978 | |
| 1979 /***************************** TypeDArray *****************************/ | |
| 1980 | |
| 1981 TypeDArray::TypeDArray(Type *t) | |
| 1982 : TypeArray(Tarray, t) | |
| 1983 { | |
| 1984 //printf("TypeDArray(t = %p)\n", t); | |
| 1985 } | |
| 1986 | |
| 1987 Type *TypeDArray::syntaxCopy() | |
| 1988 { | |
| 1989 Type *t = next->syntaxCopy(); | |
| 1990 if (t == next) | |
| 1991 t = this; | |
| 1992 else | |
| 1993 t = new TypeDArray(t); | |
| 1994 return t; | |
| 1995 } | |
| 1996 | |
| 1997 d_uns64 TypeDArray::size(Loc loc) | |
| 1998 { | |
| 1999 //printf("TypeDArray::size()\n"); | |
| 2000 return PTRSIZE * 2; | |
| 2001 } | |
| 2002 | |
| 2003 unsigned TypeDArray::alignsize() | |
| 2004 { | |
| 2005 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 2006 // boundary | |
| 2007 return PTRSIZE; | |
| 2008 } | |
| 2009 | |
| 2010 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2011 { Type *tn = next; | |
| 2012 | |
| 2013 tn = next->semantic(loc,sc); | |
| 2014 Type *tbn = tn->toBasetype(); | |
| 2015 switch (tbn->ty) | |
| 2016 { | |
| 2017 case Tfunction: | |
| 2018 case Tnone: | |
| 2019 case Ttuple: | |
| 2020 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2021 tn = next = tint32; | |
| 2022 break; | |
| 2023 } | |
| 2024 if (tn->isauto()) | |
| 2025 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2026 if (next != tn) | |
| 2027 //deco = NULL; // redo | |
| 2028 return tn->arrayOf(); | |
| 2029 return merge(); | |
| 2030 } | |
| 2031 | |
| 2032 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2033 { | |
| 2034 buf->writeByte(mangleChar[ty]); | |
| 2035 if (next) | |
| 2036 next->toDecoBuffer(buf); | |
| 2037 } | |
| 2038 | |
| 2039 void TypeDArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2040 { | |
| 2041 if (mod != this->mod) | |
| 2042 { toCBuffer3(buf, hgs, mod); | |
| 2043 return; | |
| 2044 } | |
| 2045 next->toCBuffer2(buf, hgs, this->mod); | |
| 2046 buf->writestring("[]"); | |
| 2047 } | |
| 2048 | |
| 2049 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2050 { | |
| 2051 #if LOGDOTEXP | |
| 2052 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2053 #endif | |
| 2054 if (ident == Id::length) | |
| 2055 { | |
| 2056 if (e->op == TOKstring) | |
| 2057 { StringExp *se = (StringExp *)e; | |
| 2058 | |
| 2059 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2060 } | |
| 2061 e = new ArrayLengthExp(e->loc, e); | |
| 2062 e->type = Type::tsize_t; | |
| 2063 return e; | |
| 2064 } | |
| 2065 else if (ident == Id::ptr) | |
| 2066 { | |
| 2067 e = e->castTo(sc, next->pointerTo()); | |
| 2068 return e; | |
| 2069 } | |
| 2070 else | |
| 2071 { | |
| 2072 e = TypeArray::dotExp(sc, e, ident); | |
| 2073 } | |
| 2074 return e; | |
| 2075 } | |
| 2076 | |
| 2077 int TypeDArray::isString() | |
| 2078 { | |
| 2079 TY nty = next->toBasetype()->ty; | |
| 2080 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2081 } | |
| 2082 | |
| 2083 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2084 { | |
| 2085 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2086 | |
| 2087 // Allow implicit conversion of array to pointer | |
| 2088 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2089 to->ty == Tpointer && | |
| 2090 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2091 { | |
| 2092 return MATCHconvert; | |
| 2093 } | |
| 2094 | |
| 2095 if (to->ty == Tarray) | |
| 2096 { int offset = 0; | |
| 2097 | |
| 2098 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2099 to->next->ty == Tvoid) | |
| 2100 return MATCHconvert; | |
| 2101 } | |
| 2102 return Type::implicitConvTo(to); | |
| 2103 } | |
| 2104 | |
| 2105 Expression *TypeDArray::defaultInit(Loc loc) | |
| 2106 { | |
| 2107 #if LOGDEFAULTINIT | |
| 2108 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2109 #endif | |
| 2110 Expression *e; | |
| 2111 e = new NullExp(loc); | |
| 2112 e->type = this; | |
| 2113 return e; | |
| 2114 } | |
| 2115 | |
| 2116 int TypeDArray::isZeroInit() | |
| 2117 { | |
| 2118 return 1; | |
| 2119 } | |
| 2120 | |
| 2121 int TypeDArray::checkBoolean() | |
| 2122 { | |
| 2123 return TRUE; | |
| 2124 } | |
| 2125 | |
| 2126 int TypeDArray::hasPointers() | |
| 2127 { | |
| 2128 return TRUE; | |
| 2129 } | |
| 2130 | |
| 2131 /***************************** TypeAArray *****************************/ | |
| 2132 | |
| 2133 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2134 : TypeArray(Taarray, t) | |
| 2135 { | |
| 2136 this->index = index; | |
| 2137 this->key = NULL; | |
| 2138 } | |
| 2139 | |
| 2140 Type *TypeAArray::syntaxCopy() | |
| 2141 { | |
| 2142 Type *t = next->syntaxCopy(); | |
| 2143 Type *ti = index->syntaxCopy(); | |
| 2144 if (t == next && ti == index) | |
| 2145 t = this; | |
| 2146 else | |
| 2147 t = new TypeAArray(t, ti); | |
| 2148 return t; | |
| 2149 } | |
| 2150 | |
| 2151 d_uns64 TypeAArray::size(Loc loc) | |
| 2152 { | |
| 2153 return PTRSIZE /* * 2*/; | |
| 2154 } | |
| 2155 | |
| 2156 | |
| 2157 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2158 { | |
| 2159 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2160 | |
| 2161 // Deal with the case where we thought the index was a type, but | |
| 2162 // in reality it was an expression. | |
| 2163 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2164 { | |
| 2165 Expression *e; | |
| 2166 Type *t; | |
| 2167 Dsymbol *s; | |
| 2168 | |
| 2169 index->resolve(loc, sc, &e, &t, &s); | |
| 2170 if (e) | |
| 2171 { // It was an expression - | |
| 2172 // Rewrite as a static array | |
| 2173 TypeSArray *tsa; | |
| 2174 | |
| 2175 tsa = new TypeSArray(next, e); | |
| 2176 return tsa->semantic(loc,sc); | |
| 2177 } | |
| 2178 else if (t) | |
| 2179 index = t; | |
| 2180 else | |
| 2181 index->error(loc, "index is not a type or an expression"); | |
| 2182 } | |
| 2183 else | |
| 2184 index = index->semantic(loc,sc); | |
| 2185 | |
| 2186 // Compute key type; the purpose of the key type is to | |
| 2187 // minimize the permutations of runtime library | |
| 2188 // routines as much as possible. | |
| 2189 key = index->toBasetype(); | |
| 2190 switch (key->ty) | |
| 2191 { | |
| 2192 #if 0 | |
| 2193 case Tint8: | |
| 2194 case Tuns8: | |
| 2195 case Tint16: | |
| 2196 case Tuns16: | |
| 2197 key = tint32; | |
| 2198 break; | |
| 2199 #endif | |
| 2200 | |
| 2201 case Tsarray: | |
| 2202 #if 0 | |
| 2203 // Convert to Tarray | |
| 2204 key = key->next->arrayOf(); | |
| 2205 #endif | |
| 2206 break; | |
| 2207 case Tbit: | |
| 2208 case Tbool: | |
| 2209 case Tfunction: | |
| 2210 case Tvoid: | |
| 2211 case Tnone: | |
| 2212 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2213 break; | |
| 2214 } | |
| 2215 next = next->semantic(loc,sc); | |
| 2216 switch (next->toBasetype()->ty) | |
| 2217 { | |
| 2218 case Tfunction: | |
| 2219 case Tnone: | |
| 2220 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2221 break; | |
| 2222 } | |
| 2223 if (next->isauto()) | |
| 2224 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2225 | |
| 2226 return merge(); | |
| 2227 } | |
| 2228 | |
| 2229 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2230 { | |
| 2231 #if LOGDOTEXP | |
| 2232 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2233 #endif | |
| 2234 if (ident == Id::length) | |
| 2235 { | |
| 2236 Expression *ec; | |
| 2237 FuncDeclaration *fd; | |
| 2238 Expressions *arguments; | |
| 2239 | |
| 2240 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 2241 fd->runTimeHack = true; | |
| 2242 ec = new VarExp(0, fd); | |
| 2243 arguments = new Expressions(); | |
| 2244 arguments->push(e); | |
| 2245 e = new CallExp(e->loc, ec, arguments); | |
| 2246 e->type = fd->type->next; | |
| 2247 } | |
| 2248 else if (ident == Id::keys) | |
| 2249 { | |
| 2250 Expression *ec; | |
| 2251 FuncDeclaration *fd; | |
| 2252 Expressions *arguments; | |
| 2253 int size = key->size(e->loc); | |
| 2254 | |
| 2255 assert(size); | |
| 2256 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaKeys); | |
| 2257 fd->runTimeHack = true; | |
| 2258 ec = new VarExp(0, fd); | |
| 2259 arguments = new Expressions(); | |
| 2260 arguments->push(e); | |
| 2261 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2262 e = new CallExp(e->loc, ec, arguments); | |
| 2263 e->type = index->arrayOf(); | |
| 2264 } | |
| 2265 else if (ident == Id::values) | |
| 2266 { | |
| 2267 Expression *ec; | |
| 2268 FuncDeclaration *fd; | |
| 2269 Expressions *arguments; | |
| 2270 | |
| 2271 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaValues); | |
| 2272 fd->runTimeHack = true; | |
| 2273 ec = new VarExp(0, fd); | |
| 2274 arguments = new Expressions(); | |
| 2275 arguments->push(e); | |
| 2276 size_t keysize = key->size(e->loc); | |
| 2277 keysize = (keysize + 4 - 1) & ~(4 - 1); | |
| 2278 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); | |
| 2279 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2280 e = new CallExp(e->loc, ec, arguments); | |
| 2281 e->type = next->arrayOf(); | |
| 2282 } | |
| 2283 else if (ident == Id::rehash) | |
| 2284 { | |
| 2285 Expression *ec; | |
| 2286 FuncDeclaration *fd; | |
| 2287 Expressions *arguments; | |
| 2288 | |
| 2289 fd = FuncDeclaration::genCfunc(Type::tvoid->pointerTo(), Id::aaRehash); | |
| 2290 fd->runTimeHack = true; | |
| 2291 ec = new VarExp(0, fd); | |
| 2292 arguments = new Expressions(); | |
| 2293 arguments->push(e->addressOf(sc)); | |
| 2294 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2295 e = new CallExp(e->loc, ec, arguments); | |
| 2296 e->type = this; | |
| 2297 } | |
| 2298 else | |
| 2299 { | |
| 2300 e = Type::dotExp(sc, e, ident); | |
| 2301 } | |
| 2302 return e; | |
| 2303 } | |
| 2304 | |
| 2305 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2306 { | |
| 2307 buf->writeByte(mangleChar[ty]); | |
| 2308 index->toDecoBuffer(buf); | |
| 2309 next->toDecoBuffer(buf); | |
| 2310 } | |
| 2311 | |
| 2312 void TypeAArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2313 { | |
| 2314 if (mod != this->mod) | |
| 2315 { toCBuffer3(buf, hgs, mod); | |
| 2316 return; | |
| 2317 } | |
| 2318 next->toCBuffer2(buf, hgs, this->mod); | |
| 2319 buf->writeByte('['); | |
| 2320 index->toCBuffer2(buf, hgs, 0); | |
| 2321 buf->writeByte(']'); | |
| 2322 } | |
| 2323 | |
| 2324 Expression *TypeAArray::defaultInit(Loc loc) | |
| 2325 { | |
| 2326 #if LOGDEFAULTINIT | |
| 2327 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2328 #endif | |
| 2329 Expression *e; | |
| 2330 e = new NullExp(loc); | |
| 2331 e->type = this; | |
| 2332 return e; | |
| 2333 } | |
| 2334 | |
|
211
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2335 int TypeAArray::isZeroInit() |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2336 { |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2337 return 1; |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2338 } |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2339 |
| 159 | 2340 int TypeAArray::checkBoolean() |
| 2341 { | |
| 2342 return TRUE; | |
| 2343 } | |
| 2344 | |
| 2345 int TypeAArray::hasPointers() | |
| 2346 { | |
| 2347 return TRUE; | |
| 2348 } | |
| 2349 | |
| 2350 /***************************** TypePointer *****************************/ | |
| 2351 | |
| 2352 TypePointer::TypePointer(Type *t) | |
| 2353 : Type(Tpointer, t) | |
| 2354 { | |
| 2355 } | |
| 2356 | |
| 2357 Type *TypePointer::syntaxCopy() | |
| 2358 { | |
| 2359 Type *t = next->syntaxCopy(); | |
| 2360 if (t == next) | |
| 2361 t = this; | |
| 2362 else | |
| 2363 t = new TypePointer(t); | |
| 2364 return t; | |
| 2365 } | |
| 2366 | |
| 2367 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2368 { | |
| 2369 //printf("TypePointer::semantic()\n"); | |
| 2370 Type *n = next->semantic(loc, sc); | |
| 2371 switch (n->toBasetype()->ty) | |
| 2372 { | |
| 2373 case Ttuple: | |
| 2374 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2375 n = tint32; | |
| 2376 break; | |
| 2377 } | |
| 2378 if (n != next) | |
| 2379 deco = NULL; | |
| 2380 next = n; | |
| 2381 return merge(); | |
| 2382 } | |
| 2383 | |
| 2384 | |
| 2385 d_uns64 TypePointer::size(Loc loc) | |
| 2386 { | |
| 2387 return PTRSIZE; | |
| 2388 } | |
| 2389 | |
| 2390 void TypePointer::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2391 { | |
| 2392 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2393 if (mod != this->mod) | |
| 2394 { toCBuffer3(buf, hgs, mod); | |
| 2395 return; | |
| 2396 } | |
| 2397 next->toCBuffer2(buf, hgs, this->mod); | |
| 2398 if (next->ty != Tfunction) | |
| 2399 buf->writeByte('*'); | |
| 2400 } | |
| 2401 | |
| 2402 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2403 { | |
| 2404 //printf("TypePointer::implicitConvTo()\n"); | |
| 2405 | |
| 2406 if (this == to) | |
| 2407 return MATCHexact; | |
| 2408 if (to->ty == Tpointer && to->next) | |
| 2409 { | |
| 2410 if (to->next->ty == Tvoid) | |
| 2411 return MATCHconvert; | |
| 2412 | |
| 2413 #if 0 | |
| 2414 if (to->next->isBaseOf(next)) | |
| 2415 return MATCHconvert; | |
| 2416 #endif | |
| 2417 | |
| 2418 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2419 { TypeFunction *tf; | |
| 2420 TypeFunction *tfto; | |
| 2421 | |
| 2422 tf = (TypeFunction *)(next); | |
| 2423 tfto = (TypeFunction *)(to->next); | |
| 2424 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2425 } | |
| 2426 } | |
| 2427 // if (to->ty == Tvoid) | |
| 2428 // return MATCHconvert; | |
| 2429 return MATCHnomatch; | |
| 2430 } | |
| 2431 | |
| 2432 int TypePointer::isscalar() | |
| 2433 { | |
| 2434 return TRUE; | |
| 2435 } | |
| 2436 | |
| 2437 Expression *TypePointer::defaultInit(Loc loc) | |
| 2438 { | |
| 2439 #if LOGDEFAULTINIT | |
| 2440 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2441 #endif | |
| 2442 Expression *e; | |
| 2443 e = new NullExp(loc); | |
| 2444 e->type = this; | |
| 2445 return e; | |
| 2446 } | |
| 2447 | |
| 2448 int TypePointer::isZeroInit() | |
| 2449 { | |
| 2450 return 1; | |
| 2451 } | |
| 2452 | |
| 2453 int TypePointer::hasPointers() | |
| 2454 { | |
| 2455 return TRUE; | |
| 2456 } | |
| 2457 | |
| 2458 | |
| 2459 /***************************** TypeReference *****************************/ | |
| 2460 | |
| 2461 TypeReference::TypeReference(Type *t) | |
| 2462 : Type(Treference, t) | |
| 2463 { | |
| 2464 if (t->ty == Tbit) | |
| 2465 error(0,"cannot make reference to a bit"); | |
| 2466 // BUG: what about references to static arrays? | |
| 2467 } | |
| 2468 | |
| 2469 Type *TypeReference::syntaxCopy() | |
| 2470 { | |
| 2471 Type *t = next->syntaxCopy(); | |
| 2472 if (t == next) | |
| 2473 t = this; | |
| 2474 else | |
| 2475 t = new TypeReference(t); | |
| 2476 return t; | |
| 2477 } | |
| 2478 | |
| 2479 d_uns64 TypeReference::size(Loc loc) | |
| 2480 { | |
| 2481 return PTRSIZE; | |
| 2482 } | |
| 2483 | |
| 2484 void TypeReference::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2485 { | |
| 2486 if (mod != this->mod) | |
| 2487 { toCBuffer3(buf, hgs, mod); | |
| 2488 return; | |
| 2489 } | |
| 2490 next->toCBuffer2(buf, hgs, this->mod); | |
| 2491 buf->writeByte('&'); | |
| 2492 } | |
| 2493 | |
| 2494 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2495 { | |
| 2496 #if LOGDOTEXP | |
| 2497 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2498 #endif | |
| 2499 | |
| 2500 // References just forward things along | |
| 2501 return next->dotExp(sc, e, ident); | |
| 2502 } | |
| 2503 | |
| 2504 Expression *TypeReference::defaultInit(Loc loc) | |
| 2505 { | |
| 2506 #if LOGDEFAULTINIT | |
| 2507 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2508 #endif | |
| 2509 Expression *e; | |
| 2510 e = new NullExp(loc); | |
| 2511 e->type = this; | |
| 2512 return e; | |
| 2513 } | |
| 2514 | |
| 2515 int TypeReference::isZeroInit() | |
| 2516 { | |
| 2517 return 1; | |
| 2518 } | |
| 2519 | |
| 2520 | |
| 2521 /***************************** TypeFunction *****************************/ | |
| 2522 | |
| 2523 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2524 : Type(Tfunction, treturn) | |
| 2525 { | |
| 2526 //if (!treturn) *(char*)0=0; | |
| 2527 // assert(treturn); | |
| 2528 this->parameters = parameters; | |
| 2529 this->varargs = varargs; | |
| 2530 this->linkage = linkage; | |
| 2531 this->inuse = 0; | |
| 2532 this->llvmRetInPtr = false; | |
| 2533 this->llvmUsesThis = false; | |
| 2534 } | |
| 2535 | |
| 2536 Type *TypeFunction::syntaxCopy() | |
| 2537 { | |
| 2538 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2539 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
|
217
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|
2540 TypeFunction *t = new TypeFunction(params, treturn, varargs, linkage); |
|
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
lindquist
parents:
211
diff
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|
2541 t->llvmRetInPtr = llvmRetInPtr; |
|
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[svn r233] Added: -oq command line option for writing fully qualified object names.
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diff
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|
2542 t->llvmUsesThis = llvmUsesThis; |
| 159 | 2543 return t; |
| 2544 } | |
| 2545 | |
| 2546 /******************************* | |
| 2547 * Returns: | |
| 2548 * 0 types are distinct | |
| 2549 * 1 this is covariant with t | |
| 2550 * 2 arguments match as far as overloading goes, | |
| 2551 * but types are not covariant | |
| 2552 * 3 cannot determine covariance because of forward references | |
| 2553 */ | |
| 2554 | |
| 2555 int Type::covariant(Type *t) | |
| 2556 { | |
| 2557 #if 0 | |
| 2558 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2559 printf("deco = %p, %p\n", deco, t->deco); | |
| 2560 printf("ty = %d\n", next->ty); | |
| 2561 #endif | |
| 2562 | |
| 2563 int inoutmismatch = 0; | |
| 2564 | |
| 2565 if (equals(t)) | |
| 2566 goto Lcovariant; | |
| 2567 if (ty != Tfunction || t->ty != Tfunction) | |
| 2568 goto Ldistinct; | |
| 2569 | |
| 2570 { | |
| 2571 TypeFunction *t1 = (TypeFunction *)this; | |
| 2572 TypeFunction *t2 = (TypeFunction *)t; | |
| 2573 | |
| 2574 if (t1->varargs != t2->varargs) | |
| 2575 goto Ldistinct; | |
| 2576 | |
| 2577 if (t1->parameters && t2->parameters) | |
| 2578 { | |
| 2579 size_t dim = Argument::dim(t1->parameters); | |
| 2580 if (dim != Argument::dim(t2->parameters)) | |
| 2581 goto Ldistinct; | |
| 2582 | |
| 2583 for (size_t i = 0; i < dim; i++) | |
| 2584 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2585 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2586 | |
| 2587 if (!arg1->type->equals(arg2->type)) | |
| 2588 goto Ldistinct; | |
| 2589 if (arg1->storageClass != arg2->storageClass) | |
| 2590 inoutmismatch = 1; | |
| 2591 } | |
| 2592 } | |
| 2593 else if (t1->parameters != t2->parameters) | |
| 2594 goto Ldistinct; | |
| 2595 | |
| 2596 // The argument lists match | |
| 2597 if (inoutmismatch) | |
| 2598 goto Lnotcovariant; | |
| 2599 if (t1->linkage != t2->linkage) | |
| 2600 goto Lnotcovariant; | |
| 2601 | |
| 2602 Type *t1n = t1->next; | |
| 2603 Type *t2n = t2->next; | |
| 2604 | |
| 2605 if (t1n->equals(t2n)) | |
| 2606 goto Lcovariant; | |
| 2607 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2608 goto Lnotcovariant; | |
| 2609 | |
| 2610 // If t1n is forward referenced: | |
| 2611 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2612 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2613 { | |
| 2614 return 3; | |
| 2615 } | |
| 2616 | |
| 2617 if (t1n->implicitConvTo(t2n)) | |
| 2618 goto Lcovariant; | |
| 2619 goto Lnotcovariant; | |
| 2620 } | |
| 2621 | |
| 2622 Lcovariant: | |
| 2623 //printf("\tcovaraint: 1\n"); | |
| 2624 return 1; | |
| 2625 | |
| 2626 Ldistinct: | |
| 2627 //printf("\tcovaraint: 0\n"); | |
| 2628 return 0; | |
| 2629 | |
| 2630 Lnotcovariant: | |
| 2631 //printf("\tcovaraint: 2\n"); | |
| 2632 return 2; | |
| 2633 } | |
| 2634 | |
| 2635 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2636 { unsigned char mc; | |
| 2637 | |
| 2638 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2639 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2640 if (inuse) | |
| 2641 { inuse = 2; // flag error to caller | |
| 2642 return; | |
| 2643 } | |
| 2644 inuse++; | |
| 2645 switch (linkage) | |
| 2646 { | |
| 2647 case LINKd: mc = 'F'; break; | |
| 2648 case LINKc: mc = 'U'; break; | |
| 2649 case LINKwindows: mc = 'W'; break; | |
| 2650 case LINKpascal: mc = 'V'; break; | |
| 2651 case LINKcpp: mc = 'R'; break; | |
| 2652 default: | |
| 2653 assert(0); | |
| 2654 } | |
| 2655 buf->writeByte(mc); | |
| 2656 // Write argument types | |
| 2657 Argument::argsToDecoBuffer(buf, parameters); | |
| 2658 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2659 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2660 next->toDecoBuffer(buf); | |
| 2661 inuse--; | |
| 2662 } | |
| 2663 | |
| 2664 void TypeFunction::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2665 { | |
| 2666 char *p = NULL; | |
| 2667 | |
| 2668 if (inuse) | |
| 2669 { inuse = 2; // flag error to caller | |
| 2670 return; | |
| 2671 } | |
| 2672 inuse++; | |
| 2673 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2674 next->toCBuffer2(buf, hgs, 0); | |
| 2675 if (hgs->ddoc != 1) | |
| 2676 { | |
| 2677 switch (linkage) | |
| 2678 { | |
| 2679 case LINKd: p = NULL; break; | |
| 2680 case LINKc: p = "C "; break; | |
| 2681 case LINKwindows: p = "Windows "; break; | |
| 2682 case LINKpascal: p = "Pascal "; break; | |
| 2683 case LINKcpp: p = "C++ "; break; | |
| 2684 default: | |
| 2685 assert(0); | |
| 2686 } | |
| 2687 } | |
| 2688 | |
| 2689 if (!hgs->hdrgen && p) | |
| 2690 buf->writestring(p); | |
| 2691 if (ident) | |
| 2692 { buf->writeByte(' '); | |
| 2693 buf->writestring(ident->toHChars2()); | |
| 2694 } | |
| 2695 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2696 inuse--; | |
| 2697 } | |
| 2698 | |
| 2699 void TypeFunction::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2700 { | |
| 2701 char *p = NULL; | |
| 2702 | |
| 2703 if (inuse) | |
| 2704 { inuse = 2; // flag error to caller | |
| 2705 return; | |
| 2706 } | |
| 2707 inuse++; | |
| 2708 if (next) | |
| 2709 next->toCBuffer2(buf, hgs, 0); | |
| 2710 if (hgs->ddoc != 1) | |
| 2711 { | |
| 2712 switch (linkage) | |
| 2713 { | |
| 2714 case LINKd: p = NULL; break; | |
| 2715 case LINKc: p = "C "; break; | |
| 2716 case LINKwindows: p = "Windows "; break; | |
| 2717 case LINKpascal: p = "Pascal "; break; | |
| 2718 case LINKcpp: p = "C++ "; break; | |
| 2719 default: | |
| 2720 assert(0); | |
| 2721 } | |
| 2722 } | |
| 2723 | |
| 2724 if (!hgs->hdrgen && p) | |
| 2725 buf->writestring(p); | |
| 2726 buf->writestring(" function"); | |
| 2727 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2728 inuse--; | |
| 2729 } | |
| 2730 | |
| 2731 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2732 { | |
| 2733 if (deco) // if semantic() already run | |
| 2734 { | |
| 2735 //printf("already done\n"); | |
| 2736 return this; | |
| 2737 } | |
| 2738 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2739 | |
| 2740 TypeFunction *tf = (TypeFunction *)mem.malloc(sizeof(TypeFunction)); | |
| 2741 memcpy(tf, this, sizeof(TypeFunction)); | |
| 2742 if (parameters) | |
| 2743 { tf->parameters = (Arguments *)parameters->copy(); | |
| 2744 for (size_t i = 0; i < parameters->dim; i++) | |
| 2745 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2746 Argument *cpy = (Argument *)mem.malloc(sizeof(Argument)); | |
| 2747 memcpy(cpy, arg, sizeof(Argument)); | |
| 2748 tf->parameters->data[i] = (void *)cpy; | |
| 2749 } | |
| 2750 } | |
| 2751 | |
| 2752 tf->linkage = sc->linkage; | |
| 2753 if (!tf->next) | |
| 2754 { | |
| 2755 assert(global.errors); | |
| 2756 tf->next = tvoid; | |
| 2757 } | |
| 2758 tf->next = tf->next->semantic(loc,sc); | |
| 2759 if (tf->next->toBasetype()->ty == Tsarray) | |
| 2760 { error(loc, "functions cannot return static array %s", tf->next->toChars()); | |
| 2761 tf->next = Type::terror; | |
| 2762 } | |
| 2763 if (tf->next->toBasetype()->ty == Tfunction) | |
| 2764 { error(loc, "functions cannot return a function"); | |
| 2765 tf->next = Type::terror; | |
| 2766 } | |
| 2767 if (tf->next->toBasetype()->ty == Ttuple) | |
| 2768 { error(loc, "functions cannot return a tuple"); | |
| 2769 tf->next = Type::terror; | |
| 2770 } | |
| 2771 if (tf->next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2772 error(loc, "functions cannot return auto %s", tf->next->toChars()); | |
| 2773 | |
| 2774 if (tf->parameters) | |
| 2775 { size_t dim = Argument::dim(tf->parameters); | |
| 2776 | |
| 2777 for (size_t i = 0; i < dim; i++) | |
| 2778 { Argument *arg = Argument::getNth(tf->parameters, i); | |
| 2779 Type *t; | |
| 2780 | |
| 2781 tf->inuse++; | |
| 2782 arg->type = arg->type->semantic(loc,sc); | |
| 2783 if (tf->inuse == 1) tf->inuse--; | |
| 2784 t = arg->type->toBasetype(); | |
| 2785 | |
| 2786 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2787 { | |
| 2788 if (t->ty == Tsarray) | |
| 2789 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2790 } | |
| 2791 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2792 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2793 | |
| 2794 if (arg->defaultArg) | |
| 2795 { | |
| 2796 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2797 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2798 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2799 } | |
| 2800 | |
| 2801 /* If arg turns out to be a tuple, the number of parameters may | |
| 2802 * change. | |
| 2803 */ | |
| 2804 if (t->ty == Ttuple) | |
| 2805 { dim = Argument::dim(tf->parameters); | |
| 2806 i--; | |
| 2807 } | |
| 2808 } | |
| 2809 } | |
| 2810 tf->deco = tf->merge()->deco; | |
| 2811 | |
| 2812 if (tf->inuse) | |
| 2813 { error(loc, "recursive type"); | |
| 2814 tf->inuse = 0; | |
| 2815 return terror; | |
| 2816 } | |
| 2817 | |
| 2818 if (tf->varargs == 1 && tf->linkage != LINKd && Argument::dim(tf->parameters) == 0) | |
| 2819 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2820 | |
| 2821 /* Don't return merge(), because arg identifiers and default args | |
| 2822 * can be different | |
| 2823 * even though the types match | |
| 2824 */ | |
| 2825 return tf; | |
| 2826 } | |
| 2827 | |
| 2828 /******************************** | |
| 2829 * 'args' are being matched to function 'this' | |
| 2830 * Determine match level. | |
| 2831 * Returns: | |
| 2832 * MATCHxxxx | |
| 2833 */ | |
| 2834 | |
| 2835 int TypeFunction::callMatch(Expressions *args) | |
| 2836 { | |
| 2837 //printf("TypeFunction::callMatch()\n"); | |
| 2838 int match = MATCHexact; // assume exact match | |
| 2839 | |
| 2840 size_t nparams = Argument::dim(parameters); | |
| 2841 size_t nargs = args ? args->dim : 0; | |
| 2842 if (nparams == nargs) | |
| 2843 ; | |
| 2844 else if (nargs > nparams) | |
| 2845 { | |
| 2846 if (varargs == 0) | |
| 2847 goto Nomatch; // too many args; no match | |
| 2848 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2849 } | |
| 2850 | |
| 2851 for (size_t u = 0; u < nparams; u++) | |
| 2852 { int m; | |
| 2853 Expression *arg; | |
| 2854 | |
| 2855 // BUG: what about out and ref? | |
| 2856 | |
| 2857 Argument *p = Argument::getNth(parameters, u); | |
| 2858 assert(p); | |
| 2859 if (u >= nargs) | |
| 2860 { | |
| 2861 if (p->defaultArg) | |
| 2862 continue; | |
| 2863 if (varargs == 2 && u + 1 == nparams) | |
| 2864 goto L1; | |
| 2865 goto Nomatch; // not enough arguments | |
| 2866 } | |
| 2867 arg = (Expression *)args->data[u]; | |
| 2868 assert(arg); | |
| 2869 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2870 m = MATCHconvert; | |
| 2871 else | |
| 2872 m = arg->implicitConvTo(p->type); | |
| 2873 //printf("\tm = %d\n", m); | |
| 2874 if (m == MATCHnomatch) // if no match | |
| 2875 { | |
| 2876 L1: | |
| 2877 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2878 { Type *tb = p->type->toBasetype(); | |
| 2879 TypeSArray *tsa; | |
| 2880 integer_t sz; | |
| 2881 | |
| 2882 switch (tb->ty) | |
| 2883 { | |
| 2884 case Tsarray: | |
| 2885 tsa = (TypeSArray *)tb; | |
| 2886 sz = tsa->dim->toInteger(); | |
| 2887 if (sz != nargs - u) | |
| 2888 goto Nomatch; | |
| 2889 case Tarray: | |
| 2890 for (; u < nargs; u++) | |
| 2891 { | |
| 2892 arg = (Expression *)args->data[u]; | |
| 2893 assert(arg); | |
| 2894 #if 1 | |
| 2895 /* If lazy array of delegates, | |
| 2896 * convert arg(s) to delegate(s) | |
| 2897 */ | |
| 2898 Type *tret = p->isLazyArray(); | |
| 2899 if (tret) | |
| 2900 { | |
| 2901 if (tb->next->equals(arg->type)) | |
| 2902 { m = MATCHexact; | |
| 2903 } | |
| 2904 else | |
| 2905 { | |
| 2906 m = arg->implicitConvTo(tret); | |
| 2907 if (m == MATCHnomatch) | |
| 2908 { | |
| 2909 if (tret->toBasetype()->ty == Tvoid) | |
| 2910 m = MATCHconvert; | |
| 2911 } | |
| 2912 } | |
| 2913 } | |
| 2914 else | |
| 2915 m = arg->implicitConvTo(tb->next); | |
| 2916 #else | |
| 2917 m = arg->implicitConvTo(tb->next); | |
| 2918 #endif | |
| 2919 if (m == 0) | |
| 2920 goto Nomatch; | |
| 2921 if (m < match) | |
| 2922 match = m; | |
| 2923 } | |
| 2924 goto Ldone; | |
| 2925 | |
| 2926 case Tclass: | |
| 2927 // Should see if there's a constructor match? | |
| 2928 // Or just leave it ambiguous? | |
| 2929 goto Ldone; | |
| 2930 | |
| 2931 default: | |
| 2932 goto Nomatch; | |
| 2933 } | |
| 2934 } | |
| 2935 goto Nomatch; | |
| 2936 } | |
| 2937 if (m < match) | |
| 2938 match = m; // pick worst match | |
| 2939 } | |
| 2940 | |
| 2941 Ldone: | |
| 2942 //printf("match = %d\n", match); | |
| 2943 return match; | |
| 2944 | |
| 2945 Nomatch: | |
| 2946 //printf("no match\n"); | |
| 2947 return MATCHnomatch; | |
| 2948 } | |
| 2949 | |
| 2950 Type *TypeFunction::reliesOnTident() | |
| 2951 { | |
| 2952 if (parameters) | |
| 2953 { | |
| 2954 for (size_t i = 0; i < parameters->dim; i++) | |
| 2955 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2956 Type *t = arg->type->reliesOnTident(); | |
| 2957 if (t) | |
| 2958 return t; | |
| 2959 } | |
| 2960 } | |
| 2961 return next->reliesOnTident(); | |
| 2962 } | |
| 2963 | |
| 2964 /***************************** TypeDelegate *****************************/ | |
| 2965 | |
| 2966 TypeDelegate::TypeDelegate(Type *t) | |
| 2967 : Type(Tfunction, t) | |
| 2968 { | |
| 2969 ty = Tdelegate; | |
| 2970 } | |
| 2971 | |
| 2972 Type *TypeDelegate::syntaxCopy() | |
| 2973 { | |
| 2974 Type *t = next->syntaxCopy(); | |
| 2975 if (t == next) | |
| 2976 t = this; | |
| 2977 else | |
| 2978 t = new TypeDelegate(t); | |
| 2979 return t; | |
| 2980 } | |
| 2981 | |
| 2982 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2983 { | |
| 2984 if (deco) // if semantic() already run | |
| 2985 { | |
| 2986 //printf("already done\n"); | |
| 2987 return this; | |
| 2988 } | |
| 2989 next = next->semantic(loc,sc); | |
| 2990 return merge(); | |
| 2991 } | |
| 2992 | |
| 2993 d_uns64 TypeDelegate::size(Loc loc) | |
| 2994 { | |
| 2995 return PTRSIZE * 2; | |
| 2996 } | |
| 2997 | |
| 2998 void TypeDelegate::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2999 { | |
| 3000 if (mod != this->mod) | |
| 3001 { toCBuffer3(buf, hgs, mod); | |
| 3002 return; | |
| 3003 } | |
| 3004 TypeFunction *tf = (TypeFunction *)next; | |
| 3005 | |
| 3006 tf->next->toCBuffer2(buf, hgs, 0); | |
| 3007 buf->writestring(" delegate"); | |
| 3008 Argument::argsToCBuffer(buf, hgs, tf->parameters, tf->varargs); | |
| 3009 } | |
| 3010 | |
| 3011 Expression *TypeDelegate::defaultInit(Loc loc) | |
| 3012 { | |
| 3013 #if LOGDEFAULTINIT | |
| 3014 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3015 #endif | |
| 3016 Expression *e; | |
| 3017 e = new NullExp(loc); | |
| 3018 e->type = this; | |
| 3019 return e; | |
| 3020 } | |
| 3021 | |
| 3022 int TypeDelegate::isZeroInit() | |
| 3023 { | |
| 3024 return 1; | |
| 3025 } | |
| 3026 | |
| 3027 int TypeDelegate::checkBoolean() | |
| 3028 { | |
| 3029 return TRUE; | |
| 3030 } | |
| 3031 | |
| 3032 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3033 { | |
| 3034 #if LOGDOTEXP | |
| 3035 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3036 #endif | |
| 3037 if (ident == Id::ptr) | |
| 3038 { | |
| 3039 e->type = tvoidptr; | |
| 3040 return e; | |
| 3041 } | |
| 3042 else if (ident == Id::funcptr) | |
| 3043 { | |
| 3044 e = e->addressOf(sc); | |
| 3045 e->type = tvoidptr; | |
| 3046 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3047 e->type = tvoidptr; | |
| 3048 e = new PtrExp(e->loc, e); | |
| 3049 e->type = next->pointerTo(); | |
| 3050 return e; | |
| 3051 } | |
| 3052 else | |
| 3053 { | |
| 3054 e = Type::dotExp(sc, e, ident); | |
| 3055 } | |
| 3056 return e; | |
| 3057 } | |
| 3058 | |
| 3059 int TypeDelegate::hasPointers() | |
| 3060 { | |
| 3061 return TRUE; | |
| 3062 } | |
| 3063 | |
| 3064 | |
| 3065 | |
| 3066 /***************************** TypeQualified *****************************/ | |
| 3067 | |
| 3068 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3069 : Type(ty, NULL) | |
| 3070 { | |
| 3071 this->loc = loc; | |
| 3072 } | |
| 3073 | |
| 3074 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3075 { | |
| 3076 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3077 idents.setDim(t->idents.dim); | |
| 3078 for (int i = 0; i < idents.dim; i++) | |
| 3079 { | |
| 3080 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3081 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3082 { | |
| 3083 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3084 | |
| 3085 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3086 id = (Identifier *)ti; | |
| 3087 } | |
| 3088 idents.data[i] = id; | |
| 3089 } | |
| 3090 } | |
| 3091 | |
| 3092 | |
| 3093 void TypeQualified::addIdent(Identifier *ident) | |
| 3094 { | |
| 3095 idents.push(ident); | |
| 3096 } | |
| 3097 | |
| 3098 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, HdrGenState *hgs) | |
| 3099 { | |
| 3100 int i; | |
| 3101 | |
| 3102 for (i = 0; i < idents.dim; i++) | |
| 3103 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3104 | |
| 3105 buf->writeByte('.'); | |
| 3106 | |
| 3107 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3108 { | |
| 3109 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3110 ti->toCBuffer(buf, hgs); | |
| 3111 } | |
| 3112 else | |
| 3113 buf->writestring(id->toChars()); | |
| 3114 } | |
| 3115 } | |
| 3116 | |
| 3117 d_uns64 TypeQualified::size(Loc loc) | |
| 3118 { | |
| 3119 error(this->loc, "size of type %s is not known", toChars()); | |
| 3120 return 1; | |
| 3121 } | |
| 3122 | |
| 3123 /************************************* | |
| 3124 * Takes an array of Identifiers and figures out if | |
| 3125 * it represents a Type or an Expression. | |
| 3126 * Output: | |
| 3127 * if expression, *pe is set | |
| 3128 * if type, *pt is set | |
| 3129 */ | |
| 3130 | |
| 3131 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3132 Dsymbol *s, Dsymbol *scopesym, | |
| 3133 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3134 { | |
| 3135 Identifier *id = NULL; | |
| 3136 int i; | |
| 3137 VarDeclaration *v; | |
| 3138 EnumMember *em; | |
| 3139 TupleDeclaration *td; | |
| 3140 Type *t; | |
| 3141 Expression *e; | |
| 3142 | |
| 3143 #if 0 | |
| 3144 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3145 if (scopesym) | |
| 3146 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3147 #endif | |
| 3148 *pe = NULL; | |
| 3149 *pt = NULL; | |
| 3150 *ps = NULL; | |
| 3151 if (s) | |
| 3152 { | |
| 3153 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3154 s = s->toAlias(); | |
| 3155 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3156 for (i = 0; i < idents.dim; i++) | |
| 3157 { Dsymbol *sm; | |
| 3158 | |
| 3159 id = (Identifier *)idents.data[i]; | |
| 3160 sm = s->searchX(loc, sc, id); | |
| 3161 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3162 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3163 if (!sm) | |
| 3164 { | |
| 3165 v = s->isVarDeclaration(); | |
| 3166 if (v && id == Id::length) | |
| 3167 { | |
| 3168 if (v->isConst() && v->getExpInitializer()) | |
| 3169 { e = v->getExpInitializer()->exp; | |
| 3170 } | |
| 3171 else | |
| 3172 e = new VarExp(loc, v); | |
| 3173 t = e->type; | |
| 3174 if (!t) | |
| 3175 goto Lerror; | |
| 3176 goto L3; | |
| 3177 } | |
| 3178 t = s->getType(); | |
| 3179 if (!t && s->isDeclaration()) | |
| 3180 t = s->isDeclaration()->type; | |
| 3181 if (t) | |
| 3182 { | |
| 3183 sm = t->toDsymbol(sc); | |
| 3184 if (sm) | |
| 3185 { sm = sm->search(loc, id, 0); | |
| 3186 if (sm) | |
| 3187 goto L2; | |
| 3188 } | |
| 3189 //e = t->getProperty(loc, id); | |
| 3190 e = new TypeExp(loc, t); | |
| 3191 e = t->dotExp(sc, e, id); | |
| 3192 i++; | |
| 3193 L3: | |
| 3194 for (; i < idents.dim; i++) | |
| 3195 { | |
| 3196 id = (Identifier *)idents.data[i]; | |
| 3197 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3198 e = e->type->dotExp(sc, e, id); | |
| 3199 } | |
| 3200 *pe = e; | |
| 3201 } | |
| 3202 else | |
| 3203 Lerror: | |
| 3204 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3205 return; | |
| 3206 } | |
| 3207 L2: | |
| 3208 s = sm->toAlias(); | |
| 3209 } | |
| 3210 | |
| 3211 v = s->isVarDeclaration(); | |
| 3212 if (v) | |
| 3213 { | |
| 3214 // It's not a type, it's an expression | |
| 3215 if (v->isConst() && v->getExpInitializer()) | |
| 3216 { | |
| 3217 ExpInitializer *ei = v->getExpInitializer(); | |
| 3218 assert(ei); | |
| 3219 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3220 (*pe)->loc = loc; | |
| 3221 } | |
| 3222 else | |
| 3223 { | |
| 3224 #if 0 | |
| 3225 WithScopeSymbol *withsym; | |
| 3226 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3227 { | |
| 3228 // Same as wthis.ident | |
| 3229 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3230 e = new DotIdExp(loc, e, ident); | |
| 3231 //assert(0); // BUG: should handle this | |
| 3232 } | |
| 3233 else | |
| 3234 #endif | |
| 3235 *pe = new VarExp(loc, v); | |
| 3236 } | |
| 3237 return; | |
| 3238 } | |
| 3239 em = s->isEnumMember(); | |
| 3240 if (em) | |
| 3241 { | |
| 3242 // It's not a type, it's an expression | |
| 3243 *pe = em->value->copy(); | |
| 3244 return; | |
| 3245 } | |
| 3246 | |
| 3247 L1: | |
| 3248 t = s->getType(); | |
| 3249 if (!t) | |
| 3250 { | |
| 3251 // If the symbol is an import, try looking inside the import | |
| 3252 Import *si; | |
| 3253 | |
| 3254 si = s->isImport(); | |
| 3255 if (si) | |
| 3256 { | |
| 3257 s = si->search(loc, s->ident, 0); | |
| 3258 if (s && s != si) | |
| 3259 goto L1; | |
| 3260 s = si; | |
| 3261 } | |
| 3262 *ps = s; | |
| 3263 return; | |
| 3264 } | |
| 3265 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3266 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3267 return; | |
| 3268 } | |
| 3269 | |
| 3270 if (t != this) | |
| 3271 { | |
| 3272 if (t->reliesOnTident()) | |
| 3273 { | |
| 3274 Scope *scx; | |
| 3275 | |
| 3276 for (scx = sc; 1; scx = scx->enclosing) | |
| 3277 { | |
| 3278 if (!scx) | |
| 3279 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3280 return; | |
| 3281 } | |
| 3282 if (scx->scopesym == scopesym) | |
| 3283 break; | |
| 3284 } | |
| 3285 t = t->semantic(loc, scx); | |
| 3286 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3287 } | |
| 3288 } | |
| 3289 if (t->ty == Ttuple) | |
| 3290 *pt = t; | |
| 3291 else | |
| 3292 *pt = t->merge(); | |
| 3293 } | |
| 3294 if (!s) | |
| 3295 { | |
| 3296 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3297 } | |
| 3298 } | |
| 3299 | |
| 3300 /***************************** TypeIdentifier *****************************/ | |
| 3301 | |
| 3302 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3303 : TypeQualified(Tident, loc) | |
| 3304 { | |
| 3305 this->ident = ident; | |
| 3306 } | |
| 3307 | |
| 3308 | |
| 3309 Type *TypeIdentifier::syntaxCopy() | |
| 3310 { | |
| 3311 TypeIdentifier *t; | |
| 3312 | |
| 3313 t = new TypeIdentifier(loc, ident); | |
| 3314 t->syntaxCopyHelper(this); | |
| 3315 return t; | |
| 3316 } | |
| 3317 | |
| 3318 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3319 { unsigned len; | |
| 3320 char *name; | |
| 3321 | |
| 3322 name = ident->toChars(); | |
| 3323 len = strlen(name); | |
| 3324 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3325 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3326 } | |
| 3327 | |
| 3328 void TypeIdentifier::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3329 { | |
| 3330 if (mod != this->mod) | |
| 3331 { toCBuffer3(buf, hgs, mod); | |
| 3332 return; | |
| 3333 } | |
| 3334 buf->writestring(this->ident->toChars()); | |
| 3335 toCBuffer2Helper(buf, hgs); | |
| 3336 } | |
| 3337 | |
| 3338 /************************************* | |
| 3339 * Takes an array of Identifiers and figures out if | |
| 3340 * it represents a Type or an Expression. | |
| 3341 * Output: | |
| 3342 * if expression, *pe is set | |
| 3343 * if type, *pt is set | |
| 3344 */ | |
| 3345 | |
| 3346 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3347 { Dsymbol *s; | |
| 3348 Dsymbol *scopesym; | |
| 3349 | |
| 3350 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3351 s = sc->search(loc, ident, &scopesym); | |
| 3352 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3353 } | |
| 3354 | |
| 3355 /***************************************** | |
| 3356 * See if type resolves to a symbol, if so, | |
| 3357 * return that symbol. | |
| 3358 */ | |
| 3359 | |
| 3360 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3361 { | |
| 3362 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3363 if (!sc) | |
| 3364 return NULL; | |
| 3365 //printf("ident = '%s'\n", ident->toChars()); | |
| 3366 | |
| 3367 Dsymbol *scopesym; | |
| 3368 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3369 if (s) | |
| 3370 { | |
| 3371 for (int i = 0; i < idents.dim; i++) | |
| 3372 { | |
| 3373 Identifier *id = (Identifier *)idents.data[i]; | |
| 3374 s = s->searchX(loc, sc, id); | |
| 3375 if (!s) // failed to find a symbol | |
| 3376 { //printf("\tdidn't find a symbol\n"); | |
| 3377 break; | |
| 3378 } | |
| 3379 } | |
| 3380 } | |
| 3381 return s; | |
| 3382 } | |
| 3383 | |
| 3384 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3385 { | |
| 3386 Type *t; | |
| 3387 Expression *e; | |
| 3388 Dsymbol *s; | |
| 3389 | |
| 3390 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3391 resolve(loc, sc, &e, &t, &s); | |
| 3392 if (t) | |
| 3393 { | |
| 3394 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3395 | |
| 3396 if (t->ty == Ttypedef) | |
| 3397 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3398 | |
| 3399 if (tt->sym->sem == 1) | |
| 3400 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3401 } | |
| 3402 } | |
| 3403 else | |
| 3404 { | |
| 3405 #ifdef DEBUG | |
| 3406 if (!global.gag) | |
| 3407 printf("1: "); | |
| 3408 #endif | |
| 3409 if (s) | |
| 3410 { | |
| 3411 s->error(loc, "is used as a type"); | |
| 3412 } | |
| 3413 else | |
| 3414 error(loc, "%s is used as a type", toChars()); | |
| 3415 t = tvoid; | |
| 3416 } | |
| 3417 //t->print(); | |
| 3418 return t; | |
| 3419 } | |
| 3420 | |
| 3421 Type *TypeIdentifier::reliesOnTident() | |
| 3422 { | |
| 3423 return this; | |
| 3424 } | |
| 3425 | |
| 3426 Expression *TypeIdentifier::toExpression() | |
| 3427 { | |
| 3428 Expression *e = new IdentifierExp(loc, ident); | |
| 3429 for (int i = 0; i < idents.dim; i++) | |
| 3430 { | |
| 3431 Identifier *id = (Identifier *)idents.data[i]; | |
| 3432 e = new DotIdExp(loc, e, id); | |
| 3433 } | |
| 3434 | |
| 3435 return e; | |
| 3436 } | |
| 3437 | |
| 3438 /***************************** TypeInstance *****************************/ | |
| 3439 | |
| 3440 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3441 : TypeQualified(Tinstance, loc) | |
| 3442 { | |
| 3443 this->tempinst = tempinst; | |
| 3444 } | |
| 3445 | |
| 3446 Type *TypeInstance::syntaxCopy() | |
| 3447 { | |
| 3448 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3449 TypeInstance *t; | |
| 3450 | |
| 3451 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3452 t->syntaxCopyHelper(this); | |
| 3453 return t; | |
| 3454 } | |
| 3455 | |
| 3456 | |
| 3457 void TypeInstance::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3458 { | |
| 3459 if (mod != this->mod) | |
| 3460 { toCBuffer3(buf, hgs, mod); | |
| 3461 return; | |
| 3462 } | |
| 3463 tempinst->toCBuffer(buf, hgs); | |
| 3464 toCBuffer2Helper(buf, hgs); | |
| 3465 } | |
| 3466 | |
| 3467 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3468 { | |
| 3469 // Note close similarity to TypeIdentifier::resolve() | |
| 3470 | |
| 3471 Dsymbol *s; | |
| 3472 | |
| 3473 *pe = NULL; | |
| 3474 *pt = NULL; | |
| 3475 *ps = NULL; | |
| 3476 | |
| 3477 #if 0 | |
| 3478 if (!idents.dim) | |
| 3479 { | |
| 3480 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3481 return; | |
| 3482 } | |
| 3483 #endif | |
| 3484 //id = (Identifier *)idents.data[0]; | |
| 3485 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3486 s = tempinst; | |
| 3487 if (s) | |
| 3488 s->semantic(sc); | |
| 3489 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3490 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3491 } | |
| 3492 | |
| 3493 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3494 { | |
| 3495 Type *t; | |
| 3496 Expression *e; | |
| 3497 Dsymbol *s; | |
| 3498 | |
| 3499 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3500 | |
| 3501 if (sc->parameterSpecialization) | |
| 3502 { | |
| 3503 unsigned errors = global.errors; | |
| 3504 global.gag++; | |
| 3505 | |
| 3506 resolve(loc, sc, &e, &t, &s); | |
| 3507 | |
| 3508 global.gag--; | |
| 3509 if (errors != global.errors) | |
| 3510 { if (global.gag == 0) | |
| 3511 global.errors = errors; | |
| 3512 return this; | |
| 3513 } | |
| 3514 } | |
| 3515 else | |
| 3516 resolve(loc, sc, &e, &t, &s); | |
| 3517 | |
| 3518 if (!t) | |
| 3519 { | |
| 3520 #ifdef DEBUG | |
| 3521 printf("2: "); | |
| 3522 #endif | |
| 3523 error(loc, "%s is used as a type", toChars()); | |
| 3524 t = tvoid; | |
| 3525 } | |
| 3526 return t; | |
| 3527 } | |
| 3528 | |
| 3529 | |
| 3530 /***************************** TypeTypeof *****************************/ | |
| 3531 | |
| 3532 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3533 : TypeQualified(Ttypeof, loc) | |
| 3534 { | |
| 3535 this->exp = exp; | |
| 3536 } | |
| 3537 | |
| 3538 Type *TypeTypeof::syntaxCopy() | |
| 3539 { | |
| 3540 TypeTypeof *t; | |
| 3541 | |
| 3542 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3543 t->syntaxCopyHelper(this); | |
| 3544 return t; | |
| 3545 } | |
| 3546 | |
| 3547 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3548 { | |
| 3549 Type *t; | |
| 3550 | |
| 3551 t = semantic(0, sc); | |
| 3552 if (t == this) | |
| 3553 return NULL; | |
| 3554 return t->toDsymbol(sc); | |
| 3555 } | |
| 3556 | |
| 3557 void TypeTypeof::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3558 { | |
| 3559 if (mod != this->mod) | |
| 3560 { toCBuffer3(buf, hgs, mod); | |
| 3561 return; | |
| 3562 } | |
| 3563 buf->writestring("typeof("); | |
| 3564 exp->toCBuffer(buf, hgs); | |
| 3565 buf->writeByte(')'); | |
| 3566 toCBuffer2Helper(buf, hgs); | |
| 3567 } | |
| 3568 | |
| 3569 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3570 { Expression *e; | |
| 3571 Type *t; | |
| 3572 | |
| 3573 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3574 | |
| 3575 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3576 | |
| 3577 #if 0 | |
| 3578 /* Special case for typeof(this) and typeof(super) since both | |
| 3579 * should work even if they are not inside a non-static member function | |
| 3580 */ | |
| 3581 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3582 { | |
| 3583 // Find enclosing struct or class | |
| 3584 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3585 { | |
| 3586 ClassDeclaration *cd; | |
| 3587 StructDeclaration *sd; | |
| 3588 | |
| 3589 if (!s) | |
| 3590 { | |
| 3591 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3592 goto Lerr; | |
| 3593 } | |
| 3594 cd = s->isClassDeclaration(); | |
| 3595 if (cd) | |
| 3596 { | |
| 3597 if (exp->op == TOKsuper) | |
| 3598 { | |
| 3599 cd = cd->baseClass; | |
| 3600 if (!cd) | |
| 3601 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3602 goto Lerr; | |
| 3603 } | |
| 3604 } | |
| 3605 t = cd->type; | |
| 3606 break; | |
| 3607 } | |
| 3608 sd = s->isStructDeclaration(); | |
| 3609 if (sd) | |
| 3610 { | |
| 3611 if (exp->op == TOKsuper) | |
| 3612 { | |
| 3613 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3614 goto Lerr; | |
| 3615 } | |
| 3616 t = sd->type->pointerTo(); | |
| 3617 break; | |
| 3618 } | |
| 3619 } | |
| 3620 } | |
| 3621 else | |
| 3622 #endif | |
| 3623 { | |
| 3624 sc->intypeof++; | |
| 3625 exp = exp->semantic(sc); | |
| 3626 sc->intypeof--; | |
| 3627 t = exp->type; | |
| 3628 if (!t) | |
| 3629 { | |
| 3630 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3631 goto Lerr; | |
| 3632 } | |
| 3633 } | |
| 3634 | |
| 3635 if (idents.dim) | |
| 3636 { | |
| 3637 Dsymbol *s = t->toDsymbol(sc); | |
| 3638 for (size_t i = 0; i < idents.dim; i++) | |
| 3639 { | |
| 3640 if (!s) | |
| 3641 break; | |
| 3642 Identifier *id = (Identifier *)idents.data[i]; | |
| 3643 s = s->searchX(loc, sc, id); | |
| 3644 } | |
| 3645 if (s) | |
| 3646 { | |
| 3647 t = s->getType(); | |
| 3648 if (!t) | |
| 3649 { error(loc, "%s is not a type", s->toChars()); | |
| 3650 goto Lerr; | |
| 3651 } | |
| 3652 } | |
| 3653 else | |
| 3654 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3655 goto Lerr; | |
| 3656 } | |
| 3657 } | |
| 3658 return t; | |
| 3659 | |
| 3660 Lerr: | |
| 3661 return tvoid; | |
| 3662 } | |
| 3663 | |
| 3664 d_uns64 TypeTypeof::size(Loc loc) | |
| 3665 { | |
| 3666 if (exp->type) | |
| 3667 return exp->type->size(loc); | |
| 3668 else | |
| 3669 return TypeQualified::size(loc); | |
| 3670 } | |
| 3671 | |
| 3672 | |
| 3673 | |
| 3674 /***************************** TypeEnum *****************************/ | |
| 3675 | |
| 3676 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3677 : Type(Tenum, NULL) | |
| 3678 { | |
| 3679 this->sym = sym; | |
| 3680 } | |
| 3681 | |
| 3682 char *TypeEnum::toChars() | |
| 3683 { | |
| 3684 return sym->toChars(); | |
| 3685 } | |
| 3686 | |
| 3687 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3688 { | |
| 3689 sym->semantic(sc); | |
| 3690 return merge(); | |
| 3691 } | |
| 3692 | |
| 3693 d_uns64 TypeEnum::size(Loc loc) | |
| 3694 { | |
| 3695 if (!sym->memtype) | |
| 3696 { | |
| 3697 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3698 return 4; | |
| 3699 } | |
| 3700 return sym->memtype->size(loc); | |
| 3701 } | |
| 3702 | |
| 3703 unsigned TypeEnum::alignsize() | |
| 3704 { | |
| 3705 if (!sym->memtype) | |
| 3706 { | |
| 3707 #ifdef DEBUG | |
| 3708 printf("1: "); | |
| 3709 #endif | |
| 3710 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3711 return 4; | |
| 3712 } | |
| 3713 return sym->memtype->alignsize(); | |
| 3714 } | |
| 3715 | |
| 3716 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3717 { | |
| 3718 return sym; | |
| 3719 } | |
| 3720 | |
| 3721 Type *TypeEnum::toBasetype() | |
| 3722 { | |
| 3723 if (!sym->memtype) | |
| 3724 { | |
| 3725 #ifdef DEBUG | |
| 3726 printf("2: "); | |
| 3727 #endif | |
| 3728 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3729 return tint32; | |
| 3730 } | |
| 3731 return sym->memtype->toBasetype(); | |
| 3732 } | |
| 3733 | |
| 3734 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3735 { char *name; | |
| 3736 | |
| 3737 name = sym->mangle(); | |
| 3738 // if (name[0] == '_' && name[1] == 'D') | |
| 3739 // name += 2; | |
| 3740 buf->printf("%c%s", mangleChar[ty], name); | |
| 3741 } | |
| 3742 | |
| 3743 void TypeEnum::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3744 { | |
| 3745 if (mod != this->mod) | |
| 3746 { toCBuffer3(buf, hgs, mod); | |
| 3747 return; | |
| 3748 } | |
| 3749 buf->writestring(sym->toChars()); | |
| 3750 } | |
| 3751 | |
| 3752 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3753 { | |
| 3754 EnumMember *m; | |
| 3755 Dsymbol *s; | |
| 3756 Expression *em; | |
| 3757 | |
| 3758 #if LOGDOTEXP | |
| 3759 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3760 #endif | |
| 3761 if (!sym->symtab) | |
| 3762 goto Lfwd; | |
| 3763 s = sym->symtab->lookup(ident); | |
| 3764 if (!s) | |
| 3765 { | |
| 3766 return getProperty(e->loc, ident); | |
| 3767 } | |
| 3768 m = s->isEnumMember(); | |
| 3769 em = m->value->copy(); | |
| 3770 em->loc = e->loc; | |
| 3771 return em; | |
| 3772 | |
| 3773 Lfwd: | |
| 3774 error(e->loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3775 return new IntegerExp(0, 0, this); | |
| 3776 } | |
| 3777 | |
| 3778 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3779 { Expression *e; | |
| 3780 | |
| 3781 if (ident == Id::max) | |
| 3782 { | |
| 3783 if (!sym->symtab) | |
| 3784 goto Lfwd; | |
| 3785 e = new IntegerExp(0, sym->maxval, this); | |
| 3786 } | |
| 3787 else if (ident == Id::min) | |
| 3788 { | |
| 3789 if (!sym->symtab) | |
| 3790 goto Lfwd; | |
| 3791 e = new IntegerExp(0, sym->minval, this); | |
| 3792 } | |
| 3793 else if (ident == Id::init) | |
| 3794 { | |
| 3795 if (!sym->symtab) | |
| 3796 goto Lfwd; | |
| 3797 e = defaultInit(loc); | |
| 3798 } | |
| 3799 else | |
| 3800 { | |
| 3801 if (!sym->memtype) | |
| 3802 goto Lfwd; | |
| 3803 e = sym->memtype->getProperty(loc, ident); | |
| 3804 } | |
| 3805 return e; | |
| 3806 | |
| 3807 Lfwd: | |
| 3808 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3809 return new IntegerExp(0, 0, this); | |
| 3810 } | |
| 3811 | |
| 3812 int TypeEnum::isintegral() | |
| 3813 { | |
| 3814 return 1; | |
| 3815 } | |
| 3816 | |
| 3817 int TypeEnum::isfloating() | |
| 3818 { | |
| 3819 return 0; | |
| 3820 } | |
| 3821 | |
| 3822 int TypeEnum::isunsigned() | |
| 3823 { | |
| 3824 return sym->memtype->isunsigned(); | |
| 3825 } | |
| 3826 | |
| 3827 int TypeEnum::isscalar() | |
| 3828 { | |
| 3829 return 1; | |
| 3830 //return sym->memtype->isscalar(); | |
| 3831 } | |
| 3832 | |
| 3833 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3834 { MATCH m; | |
| 3835 | |
| 3836 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3837 if (this->equals(to)) | |
| 3838 m = MATCHexact; // exact match | |
| 3839 else if (sym->memtype->implicitConvTo(to)) | |
| 3840 m = MATCHconvert; // match with conversions | |
| 3841 else | |
| 3842 m = MATCHnomatch; // no match | |
| 3843 return m; | |
| 3844 } | |
| 3845 | |
| 3846 Expression *TypeEnum::defaultInit(Loc loc) | |
| 3847 { | |
| 3848 #if LOGDEFAULTINIT | |
| 3849 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3850 #endif | |
| 3851 // Initialize to first member of enum | |
| 3852 Expression *e; | |
| 3853 e = new IntegerExp(loc, sym->defaultval, this); | |
| 3854 return e; | |
| 3855 } | |
| 3856 | |
| 3857 int TypeEnum::isZeroInit() | |
| 3858 { | |
| 3859 return (sym->defaultval == 0); | |
| 3860 } | |
| 3861 | |
| 3862 int TypeEnum::hasPointers() | |
| 3863 { | |
| 3864 return toBasetype()->hasPointers(); | |
| 3865 } | |
| 3866 | |
| 3867 /***************************** TypeTypedef *****************************/ | |
| 3868 | |
| 3869 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3870 : Type(Ttypedef, NULL) | |
| 3871 { | |
| 3872 this->sym = sym; | |
| 3873 } | |
| 3874 | |
| 3875 Type *TypeTypedef::syntaxCopy() | |
| 3876 { | |
| 3877 return this; | |
| 3878 } | |
| 3879 | |
| 3880 char *TypeTypedef::toChars() | |
| 3881 { | |
| 3882 return sym->toChars(); | |
| 3883 } | |
| 3884 | |
| 3885 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3886 { | |
| 3887 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3888 sym->semantic(sc); | |
| 3889 return merge(); | |
| 3890 } | |
| 3891 | |
| 3892 d_uns64 TypeTypedef::size(Loc loc) | |
| 3893 { | |
| 3894 return sym->basetype->size(loc); | |
| 3895 } | |
| 3896 | |
| 3897 unsigned TypeTypedef::alignsize() | |
| 3898 { | |
| 3899 return sym->basetype->alignsize(); | |
| 3900 } | |
| 3901 | |
| 3902 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3903 { | |
| 3904 return sym; | |
| 3905 } | |
| 3906 | |
| 3907 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3908 { unsigned len; | |
| 3909 char *name; | |
| 3910 | |
| 3911 name = sym->mangle(); | |
| 3912 // if (name[0] == '_' && name[1] == 'D') | |
| 3913 // name += 2; | |
| 3914 //len = strlen(name); | |
| 3915 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3916 buf->printf("%c%s", mangleChar[ty], name); | |
| 3917 } | |
| 3918 | |
| 3919 void TypeTypedef::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3920 { | |
| 3921 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3922 if (mod != this->mod) | |
| 3923 { toCBuffer3(buf, hgs, mod); | |
| 3924 return; | |
| 3925 } | |
| 3926 buf->writestring(sym->toChars()); | |
| 3927 } | |
| 3928 | |
| 3929 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3930 { | |
| 3931 #if LOGDOTEXP | |
| 3932 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3933 #endif | |
| 3934 if (ident == Id::init) | |
| 3935 { | |
| 3936 return Type::dotExp(sc, e, ident); | |
| 3937 } | |
| 3938 return sym->basetype->dotExp(sc, e, ident); | |
| 3939 } | |
| 3940 | |
| 3941 Expression *TypeTypedef::getProperty(Loc loc, Identifier *ident) | |
| 3942 { | |
| 3943 if (ident == Id::init) | |
| 3944 { | |
| 3945 return Type::getProperty(loc, ident); | |
| 3946 } | |
| 3947 return sym->basetype->getProperty(loc, ident); | |
| 3948 } | |
| 3949 | |
| 3950 int TypeTypedef::isbit() | |
| 3951 { | |
| 3952 return sym->basetype->isbit(); | |
| 3953 } | |
| 3954 | |
| 3955 int TypeTypedef::isintegral() | |
| 3956 { | |
| 3957 //printf("TypeTypedef::isintegral()\n"); | |
| 3958 //printf("sym = '%s'\n", sym->toChars()); | |
| 3959 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3960 return sym->basetype->isintegral(); | |
| 3961 } | |
| 3962 | |
| 3963 int TypeTypedef::isfloating() | |
| 3964 { | |
| 3965 return sym->basetype->isfloating(); | |
| 3966 } | |
| 3967 | |
| 3968 int TypeTypedef::isreal() | |
| 3969 { | |
| 3970 return sym->basetype->isreal(); | |
| 3971 } | |
| 3972 | |
| 3973 int TypeTypedef::isimaginary() | |
| 3974 { | |
| 3975 return sym->basetype->isimaginary(); | |
| 3976 } | |
| 3977 | |
| 3978 int TypeTypedef::iscomplex() | |
| 3979 { | |
| 3980 return sym->basetype->iscomplex(); | |
| 3981 } | |
| 3982 | |
| 3983 int TypeTypedef::isunsigned() | |
| 3984 { | |
| 3985 return sym->basetype->isunsigned(); | |
| 3986 } | |
| 3987 | |
| 3988 int TypeTypedef::isscalar() | |
| 3989 { | |
| 3990 return sym->basetype->isscalar(); | |
| 3991 } | |
| 3992 | |
| 3993 int TypeTypedef::checkBoolean() | |
| 3994 { | |
| 3995 return sym->basetype->checkBoolean(); | |
| 3996 } | |
| 3997 | |
| 3998 Type *TypeTypedef::toBasetype() | |
| 3999 { | |
| 4000 if (sym->inuse) | |
| 4001 { | |
| 4002 sym->error("circular definition"); | |
| 4003 sym->basetype = Type::terror; | |
| 4004 return Type::terror; | |
| 4005 } | |
| 4006 sym->inuse = 1; | |
| 4007 Type *t = sym->basetype->toBasetype(); | |
| 4008 sym->inuse = 0; | |
| 4009 return t; | |
| 4010 } | |
| 4011 | |
| 4012 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4013 { MATCH m; | |
| 4014 | |
| 4015 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4016 if (this->equals(to)) | |
| 4017 m = MATCHexact; // exact match | |
| 4018 else if (sym->basetype->implicitConvTo(to)) | |
| 4019 m = MATCHconvert; // match with conversions | |
| 4020 else | |
| 4021 m = MATCHnomatch; // no match | |
| 4022 return m; | |
| 4023 } | |
| 4024 | |
| 4025 Expression *TypeTypedef::defaultInit(Loc loc) | |
| 4026 { Expression *e; | |
| 4027 Type *bt; | |
| 4028 | |
| 4029 #if LOGDEFAULTINIT | |
| 4030 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4031 #endif | |
| 4032 if (sym->init) | |
| 4033 { | |
| 4034 //sym->init->toExpression()->print(); | |
| 4035 return sym->init->toExpression(); | |
| 4036 } | |
| 4037 bt = sym->basetype; | |
| 4038 e = bt->defaultInit(loc); | |
| 4039 e->type = this; | |
| 4040 while (bt->ty == Tsarray) | |
| 4041 { | |
| 4042 e->type = bt->next; | |
| 4043 bt = bt->next->toBasetype(); | |
| 4044 } | |
| 4045 return e; | |
| 4046 } | |
| 4047 | |
| 4048 int TypeTypedef::isZeroInit() | |
| 4049 { | |
| 4050 if (sym->init) | |
| 4051 { | |
| 4052 if (sym->init->isVoidInitializer()) | |
| 4053 return 1; // initialize voids to 0 | |
| 4054 Expression *e = sym->init->toExpression(); | |
| 4055 if (e && e->isBool(FALSE)) | |
| 4056 return 1; | |
| 4057 return 0; // assume not | |
| 4058 } | |
| 4059 if (sym->inuse) | |
| 4060 { | |
| 4061 sym->error("circular definition"); | |
| 4062 sym->basetype = Type::terror; | |
| 4063 } | |
| 4064 sym->inuse = 1; | |
| 4065 int result = sym->basetype->isZeroInit(); | |
| 4066 sym->inuse = 0; | |
| 4067 return result; | |
| 4068 } | |
| 4069 | |
| 4070 int TypeTypedef::hasPointers() | |
| 4071 { | |
| 4072 return toBasetype()->hasPointers(); | |
| 4073 } | |
| 4074 | |
| 4075 /***************************** TypeStruct *****************************/ | |
| 4076 | |
| 4077 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4078 : Type(Tstruct, NULL) | |
| 4079 { | |
| 4080 this->sym = sym; | |
| 4081 } | |
| 4082 | |
| 4083 char *TypeStruct::toChars() | |
| 4084 { | |
| 4085 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4086 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4087 if (ti && ti->toAlias() == sym) | |
| 4088 return ti->toChars(); | |
| 4089 return sym->toChars(); | |
| 4090 } | |
| 4091 | |
| 4092 Type *TypeStruct::syntaxCopy() | |
| 4093 { | |
| 4094 return this; | |
| 4095 } | |
| 4096 | |
| 4097 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4098 { | |
| 4099 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4100 | |
| 4101 /* Cannot do semantic for sym because scope chain may not | |
| 4102 * be right. | |
| 4103 */ | |
| 4104 //sym->semantic(sc); | |
| 4105 | |
| 4106 return merge(); | |
| 4107 } | |
| 4108 | |
| 4109 d_uns64 TypeStruct::size(Loc loc) | |
| 4110 { | |
| 4111 return sym->size(loc); | |
| 4112 } | |
| 4113 | |
| 4114 unsigned TypeStruct::alignsize() | |
| 4115 { unsigned sz; | |
| 4116 | |
| 4117 sym->size(0); // give error for forward references | |
| 4118 sz = sym->alignsize; | |
| 4119 if (sz > sym->structalign) | |
| 4120 sz = sym->structalign; | |
| 4121 return sz; | |
| 4122 } | |
| 4123 | |
| 4124 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4125 { | |
| 4126 return sym; | |
| 4127 } | |
| 4128 | |
| 4129 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4130 { unsigned len; | |
| 4131 char *name; | |
| 4132 | |
| 4133 name = sym->mangle(); | |
| 4134 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4135 // if (name[0] == '_' && name[1] == 'D') | |
| 4136 // name += 2; | |
| 4137 //len = strlen(name); | |
| 4138 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4139 buf->printf("%c%s", mangleChar[ty], name); | |
| 4140 } | |
| 4141 | |
| 4142 void TypeStruct::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4143 { | |
| 4144 if (mod != this->mod) | |
| 4145 { toCBuffer3(buf, hgs, mod); | |
| 4146 return; | |
| 4147 } | |
| 4148 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4149 if (ti && ti->toAlias() == sym) | |
| 4150 buf->writestring(ti->toChars()); | |
| 4151 else | |
| 4152 buf->writestring(sym->toChars()); | |
| 4153 } | |
| 4154 | |
| 4155 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4156 { unsigned offset; | |
| 4157 | |
| 4158 Expression *b; | |
| 4159 VarDeclaration *v; | |
| 4160 Dsymbol *s; | |
| 4161 DotVarExp *de; | |
| 4162 Declaration *d; | |
| 4163 | |
| 4164 #if LOGDOTEXP | |
| 4165 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4166 #endif | |
| 4167 if (!sym->members) | |
| 4168 { | |
| 4169 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4170 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4171 } | |
| 4172 | |
| 4173 if (ident == Id::tupleof) | |
| 4174 { | |
| 4175 /* Create a TupleExp | |
| 4176 */ | |
| 4177 Expressions *exps = new Expressions; | |
| 4178 exps->reserve(sym->fields.dim); | |
| 4179 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4180 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4181 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4182 exps->push(fe); | |
| 4183 } | |
| 4184 e = new TupleExp(e->loc, exps); | |
| 4185 e = e->semantic(sc); | |
| 4186 return e; | |
| 4187 } | |
| 4188 | |
| 4189 if (e->op == TOKdotexp) | |
| 4190 { DotExp *de = (DotExp *)e; | |
| 4191 | |
| 4192 if (de->e1->op == TOKimport) | |
| 4193 { | |
| 4194 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4195 | |
| 4196 s = se->sds->search(e->loc, ident, 0); | |
| 4197 e = de->e1; | |
| 4198 goto L1; | |
| 4199 } | |
| 4200 } | |
| 4201 | |
| 4202 s = sym->search(e->loc, ident, 0); | |
| 4203 L1: | |
| 4204 if (!s) | |
| 4205 { | |
| 4206 //return getProperty(e->loc, ident); | |
| 4207 return Type::dotExp(sc, e, ident); | |
| 4208 } | |
| 4209 s = s->toAlias(); | |
| 4210 | |
| 4211 v = s->isVarDeclaration(); | |
| 4212 if (v && v->isConst()) | |
| 4213 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4214 | |
| 4215 if (ei) | |
| 4216 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4217 e = e->semantic(sc); | |
| 4218 return e; | |
| 4219 } | |
| 4220 } | |
| 4221 | |
| 4222 if (s->getType()) | |
| 4223 { | |
| 4224 //return new DotTypeExp(e->loc, e, s); | |
| 4225 return new TypeExp(e->loc, s->getType()); | |
| 4226 } | |
| 4227 | |
| 4228 EnumMember *em = s->isEnumMember(); | |
| 4229 if (em) | |
| 4230 { | |
| 4231 assert(em->value); | |
| 4232 return em->value->copy(); | |
| 4233 } | |
| 4234 | |
| 4235 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4236 if (tm) | |
| 4237 { Expression *de; | |
| 4238 | |
| 4239 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4240 de->type = e->type; | |
| 4241 return de; | |
| 4242 } | |
| 4243 | |
| 4244 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4245 if (td) | |
| 4246 { | |
| 4247 e = new DotTemplateExp(e->loc, e, td); | |
| 4248 e->semantic(sc); | |
| 4249 return e; | |
| 4250 } | |
| 4251 | |
| 4252 TemplateInstance *ti = s->isTemplateInstance(); | |
| 4253 if (ti) | |
| 4254 { if (!ti->semanticdone) | |
| 4255 ti->semantic(sc); | |
| 4256 s = ti->inst->toAlias(); | |
| 4257 if (!s->isTemplateInstance()) | |
| 4258 goto L1; | |
| 4259 Expression *de = new DotExp(e->loc, e, new ScopeExp(e->loc, ti)); | |
| 4260 de->type = e->type; | |
| 4261 return de; | |
| 4262 } | |
| 4263 | |
| 4264 d = s->isDeclaration(); | |
| 4265 #ifdef DEBUG | |
| 4266 if (!d) | |
| 4267 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4268 #endif | |
| 4269 assert(d); | |
| 4270 | |
| 4271 if (e->op == TOKtype) | |
| 4272 { FuncDeclaration *fd = sc->func; | |
| 4273 | |
| 4274 if (d->needThis() && fd && fd->vthis) | |
| 4275 { | |
| 4276 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4277 e = e->semantic(sc); | |
| 4278 return e; | |
| 4279 } | |
| 4280 if (d->isTupleDeclaration()) | |
| 4281 { | |
| 4282 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4283 e = e->semantic(sc); | |
| 4284 return e; | |
| 4285 } | |
| 4286 return new VarExp(e->loc, d); | |
| 4287 } | |
| 4288 | |
| 4289 if (d->isDataseg()) | |
| 4290 { | |
| 4291 // (e, d) | |
| 4292 VarExp *ve; | |
| 4293 | |
| 4294 accessCheck(e->loc, sc, e, d); | |
| 4295 ve = new VarExp(e->loc, d); | |
| 4296 e = new CommaExp(e->loc, e, ve); | |
| 4297 e->type = d->type; | |
| 4298 return e; | |
| 4299 } | |
| 4300 | |
| 4301 if (v) | |
| 4302 { | |
| 4303 if (v->toParent() != sym) | |
| 4304 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4305 | |
| 4306 // *(&e + offset) | |
| 4307 accessCheck(e->loc, sc, e, d); | |
| 4308 b = new AddrExp(e->loc, e); | |
| 4309 b->type = e->type->pointerTo(); | |
| 4310 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
| 4311 #if IN_LLVM | |
| 4312 // LLVMDC modification | |
| 4313 // this is *essential* | |
| 4314 ((AddExp*)b)->llvmFieldIndex = true; | |
| 4315 #endif | |
| 4316 b->type = v->type->pointerTo(); | |
| 4317 e = new PtrExp(e->loc, b); | |
| 4318 e->type = v->type; | |
| 4319 return e; | |
| 4320 } | |
| 4321 | |
| 4322 de = new DotVarExp(e->loc, e, d); | |
| 4323 return de->semantic(sc); | |
| 4324 } | |
| 4325 | |
| 4326 unsigned TypeStruct::memalign(unsigned salign) | |
| 4327 { | |
| 4328 sym->size(0); // give error for forward references | |
| 4329 return sym->structalign; | |
| 4330 } | |
| 4331 | |
| 4332 Expression *TypeStruct::defaultInit(Loc loc) | |
| 4333 { Symbol *s; | |
| 4334 Declaration *d; | |
| 4335 | |
| 4336 #if LOGDEFAULTINIT | |
| 4337 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4338 #endif | |
| 4339 s = sym->toInitializer(); | |
| 4340 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4341 assert(d); | |
| 4342 d->type = this; | |
| 4343 return new VarExp(sym->loc, d); | |
| 4344 } | |
| 4345 | |
| 4346 int TypeStruct::isZeroInit() | |
| 4347 { | |
| 4348 return sym->zeroInit; | |
| 4349 } | |
| 4350 | |
| 4351 int TypeStruct::checkBoolean() | |
| 4352 { | |
| 4353 return FALSE; | |
| 4354 } | |
| 4355 | |
| 4356 int TypeStruct::hasPointers() | |
| 4357 { | |
| 4358 StructDeclaration *s = sym; | |
| 4359 | |
| 4360 sym->size(0); // give error for forward references | |
| 4361 if (s->members) | |
| 4362 { | |
| 4363 for (size_t i = 0; i < s->members->dim; i++) | |
| 4364 { | |
| 4365 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4366 if (sm->hasPointers()) | |
| 4367 return TRUE; | |
| 4368 } | |
| 4369 } | |
| 4370 return FALSE; | |
| 4371 } | |
| 4372 | |
| 4373 | |
| 4374 /***************************** TypeClass *****************************/ | |
| 4375 | |
| 4376 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4377 : Type(Tclass, NULL) | |
| 4378 { | |
| 4379 this->sym = sym; | |
| 4380 } | |
| 4381 | |
| 4382 char *TypeClass::toChars() | |
| 4383 { | |
| 4384 return sym->toPrettyChars(); | |
| 4385 } | |
| 4386 | |
| 4387 Type *TypeClass::syntaxCopy() | |
| 4388 { | |
| 4389 return this; | |
| 4390 } | |
| 4391 | |
| 4392 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4393 { | |
| 4394 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4395 if (sym->scope) | |
| 4396 sym->semantic(sym->scope); | |
| 4397 return merge(); | |
| 4398 } | |
| 4399 | |
| 4400 d_uns64 TypeClass::size(Loc loc) | |
| 4401 { | |
| 4402 return PTRSIZE; | |
| 4403 } | |
| 4404 | |
| 4405 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4406 { | |
| 4407 return sym; | |
| 4408 } | |
| 4409 | |
| 4410 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4411 { unsigned len; | |
| 4412 char *name; | |
| 4413 | |
| 4414 name = sym->mangle(); | |
| 4415 // if (name[0] == '_' && name[1] == 'D') | |
| 4416 // name += 2; | |
| 4417 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4418 //len = strlen(name); | |
| 4419 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4420 buf->printf("%c%s", mangleChar[ty], name); | |
| 4421 } | |
| 4422 | |
| 4423 void TypeClass::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4424 { | |
| 4425 if (mod != this->mod) | |
| 4426 { toCBuffer3(buf, hgs, mod); | |
| 4427 return; | |
| 4428 } | |
| 4429 buf->writestring(sym->toChars()); | |
| 4430 } | |
| 4431 | |
| 4432 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4433 { unsigned offset; | |
| 4434 | |
| 4435 Expression *b; | |
| 4436 VarDeclaration *v; | |
| 4437 Dsymbol *s; | |
| 4438 DotVarExp *de; | |
| 4439 Declaration *d; | |
| 4440 | |
| 4441 #if LOGDOTEXP | |
| 4442 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4443 #endif | |
| 4444 | |
| 4445 if (e->op == TOKdotexp) | |
| 4446 { DotExp *de = (DotExp *)e; | |
| 4447 | |
| 4448 if (de->e1->op == TOKimport) | |
| 4449 { | |
| 4450 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4451 | |
| 4452 s = se->sds->search(e->loc, ident, 0); | |
| 4453 e = de->e1; | |
| 4454 goto L1; | |
| 4455 } | |
| 4456 } | |
| 4457 | |
| 4458 if (ident == Id::tupleof) | |
| 4459 { | |
| 4460 /* Create a TupleExp | |
| 4461 */ | |
| 4462 Expressions *exps = new Expressions; | |
| 4463 exps->reserve(sym->fields.dim); | |
| 4464 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4465 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4466 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4467 exps->push(fe); | |
| 4468 } | |
| 4469 e = new TupleExp(e->loc, exps); | |
| 4470 e = e->semantic(sc); | |
| 4471 return e; | |
| 4472 } | |
| 4473 | |
| 4474 s = sym->search(e->loc, ident, 0); | |
| 4475 L1: | |
| 4476 if (!s) | |
| 4477 { | |
| 4478 // See if it's a base class | |
| 4479 ClassDeclaration *cbase; | |
| 4480 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4481 { | |
| 4482 if (cbase->ident->equals(ident)) | |
| 4483 { | |
| 4484 e = new DotTypeExp(0, e, cbase); | |
| 4485 return e; | |
| 4486 } | |
| 4487 } | |
| 4488 | |
| 4489 if (ident == Id::classinfo) | |
| 4490 { | |
| 4491 Type *t; | |
| 4492 | |
| 4493 assert(ClassDeclaration::classinfo); | |
| 4494 t = ClassDeclaration::classinfo->type; | |
| 4495 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4496 { | |
| 4497 /* For type.classinfo, we know the classinfo | |
| 4498 * at compile time. | |
| 4499 */ | |
| 4500 if (!sym->vclassinfo) | |
| 4501 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4502 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4503 e = e->addressOf(sc); | |
| 4504 e->type = t; // do this so we don't get redundant dereference | |
| 4505 } | |
| 4506 else | |
| 4507 { | |
| 4508 /* For class objects, the classinfo reference is the first | |
| 4509 * entry in the vtbl[] | |
| 4510 */ | |
| 4511 #if IN_LLVM | |
| 4512 | |
| 4513 Type* ct; | |
| 4514 if (sym->isInterfaceDeclaration()) { | |
| 4515 ct = t->pointerTo()->pointerTo()->pointerTo(); | |
| 4516 } | |
| 4517 else { | |
| 4518 ct = t->pointerTo()->pointerTo(); | |
| 4519 } | |
| 4520 | |
| 4521 e = e->castTo(sc, ct); | |
| 4522 e = new PtrExp(e->loc, e); | |
| 4523 e->type = ct->next; | |
| 4524 e = new PtrExp(e->loc, e); | |
| 4525 e->type = ct->next->next; | |
| 4526 | |
| 4527 if (sym->isInterfaceDeclaration()) | |
| 4528 { | |
| 4529 if (sym->isCOMinterface()) | |
| 4530 { /* COM interface vtbl[]s are different in that the | |
| 4531 * first entry is always pointer to QueryInterface(). | |
| 4532 * We can't get a .classinfo for it. | |
| 4533 */ | |
| 4534 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4535 } | |
| 4536 /* For an interface, the first entry in the vtbl[] | |
| 4537 * is actually a pointer to an instance of struct Interface. | |
| 4538 * The first member of Interface is the .classinfo, | |
| 4539 * so add an extra pointer indirection. | |
| 4540 */ | |
| 4541 e = new PtrExp(e->loc, e); | |
| 4542 e->type = ct->next->next->next; | |
| 4543 } | |
| 4544 | |
| 4545 #else | |
| 4546 | |
| 4547 e = new PtrExp(e->loc, e); | |
| 4548 e->type = t->pointerTo(); | |
| 4549 if (sym->isInterfaceDeclaration()) | |
| 4550 { | |
| 4551 if (sym->isCOMinterface()) | |
| 4552 { /* COM interface vtbl[]s are different in that the | |
| 4553 * first entry is always pointer to QueryInterface(). | |
| 4554 * We can't get a .classinfo for it. | |
| 4555 */ | |
| 4556 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4557 } | |
| 4558 /* For an interface, the first entry in the vtbl[] | |
| 4559 * is actually a pointer to an instance of struct Interface. | |
| 4560 * The first member of Interface is the .classinfo, | |
| 4561 * so add an extra pointer indirection. | |
| 4562 */ | |
| 4563 e->type = e->type->pointerTo(); | |
| 4564 e = new PtrExp(e->loc, e); | |
| 4565 e->type = t->pointerTo(); | |
| 4566 } | |
| 4567 e = new PtrExp(e->loc, e, t); | |
| 4568 | |
| 4569 #endif | |
| 4570 } | |
| 4571 return e; | |
| 4572 } | |
| 4573 | |
| 4574 if (ident == Id::typeinfo) | |
| 4575 { | |
| 4576 if (!global.params.useDeprecated) | |
| 4577 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4578 return getTypeInfo(sc); | |
| 4579 } | |
| 4580 if (ident == Id::outer && sym->vthis) | |
| 4581 { | |
| 4582 s = sym->vthis; | |
| 4583 } | |
| 4584 else | |
| 4585 { | |
| 4586 //return getProperty(e->loc, ident); | |
| 4587 return Type::dotExp(sc, e, ident); | |
| 4588 } | |
| 4589 } | |
| 4590 s = s->toAlias(); | |
| 4591 v = s->isVarDeclaration(); | |
| 4592 if (v && v->isConst()) | |
| 4593 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4594 | |
| 4595 if (ei) | |
| 4596 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4597 e = e->semantic(sc); | |
| 4598 return e; | |
| 4599 } | |
| 4600 } | |
| 4601 | |
| 4602 if (s->getType()) | |
| 4603 { | |
| 4604 // if (e->op == TOKtype) | |
| 4605 return new TypeExp(e->loc, s->getType()); | |
| 4606 // return new DotTypeExp(e->loc, e, s); | |
| 4607 } | |
| 4608 | |
| 4609 EnumMember *em = s->isEnumMember(); | |
| 4610 if (em) | |
| 4611 { | |
| 4612 assert(em->value); | |
| 4613 return em->value->copy(); | |
| 4614 } | |
| 4615 | |
| 4616 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4617 if (tm) | |
| 4618 { Expression *de; | |
| 4619 | |
| 4620 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4621 de->type = e->type; | |
| 4622 return de; | |
| 4623 } | |
| 4624 | |
| 4625 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4626 if (td) | |
| 4627 { | |
| 4628 e = new DotTemplateExp(e->loc, e, td); | |
| 4629 e->semantic(sc); | |
| 4630 return e; | |
| 4631 } | |
| 4632 | |
| 4633 TemplateInstance *ti = s->isTemplateInstance(); | |
| 4634 if (ti) | |
| 4635 { if (!ti->semanticdone) | |
| 4636 ti->semantic(sc); | |
| 4637 s = ti->inst->toAlias(); | |
| 4638 if (!s->isTemplateInstance()) | |
| 4639 goto L1; | |
| 4640 Expression *de = new DotExp(e->loc, e, new ScopeExp(e->loc, ti)); | |
| 4641 de->type = e->type; | |
| 4642 return de; | |
| 4643 } | |
| 4644 | |
| 4645 d = s->isDeclaration(); | |
| 4646 if (!d) | |
| 4647 { | |
| 4648 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4649 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4650 } | |
| 4651 | |
| 4652 if (e->op == TOKtype) | |
| 4653 { | |
| 4654 VarExp *ve; | |
| 4655 | |
| 4656 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4657 { | |
| 4658 if (sc->func) | |
| 4659 { | |
| 4660 ClassDeclaration *thiscd; | |
| 4661 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4662 | |
| 4663 if (thiscd) | |
| 4664 { | |
| 4665 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4666 | |
| 4667 if (cd == thiscd) | |
| 4668 { | |
| 4669 e = new ThisExp(e->loc); | |
| 4670 e = new DotTypeExp(e->loc, e, cd); | |
| 4671 de = new DotVarExp(e->loc, e, d); | |
| 4672 e = de->semantic(sc); | |
| 4673 return e; | |
| 4674 } | |
| 4675 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4676 !d->isFuncDeclaration()) | |
| 4677 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4678 } | |
| 4679 } | |
| 4680 | |
| 4681 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4682 e = de->semantic(sc); | |
| 4683 return e; | |
| 4684 } | |
| 4685 else if (d->isTupleDeclaration()) | |
| 4686 { | |
| 4687 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4688 e = e->semantic(sc); | |
| 4689 return e; | |
| 4690 } | |
| 4691 else | |
| 4692 ve = new VarExp(e->loc, d); | |
| 4693 return ve; | |
| 4694 } | |
| 4695 | |
| 4696 if (d->isDataseg()) | |
| 4697 { | |
| 4698 // (e, d) | |
| 4699 VarExp *ve; | |
| 4700 | |
| 4701 accessCheck(e->loc, sc, e, d); | |
| 4702 ve = new VarExp(e->loc, d); | |
| 4703 e = new CommaExp(e->loc, e, ve); | |
| 4704 e->type = d->type; | |
| 4705 return e; | |
| 4706 } | |
| 4707 | |
| 4708 if (d->parent && d->toParent()->isModule()) | |
| 4709 { | |
| 4710 // (e, d) | |
| 4711 VarExp *ve; | |
| 4712 | |
| 4713 ve = new VarExp(e->loc, d); | |
| 4714 e = new CommaExp(e->loc, e, ve); | |
| 4715 e->type = d->type; | |
| 4716 return e; | |
| 4717 } | |
| 4718 | |
| 4719 de = new DotVarExp(e->loc, e, d); | |
| 4720 return de->semantic(sc); | |
| 4721 } | |
| 4722 | |
| 4723 ClassDeclaration *TypeClass::isClassHandle() | |
| 4724 { | |
| 4725 return sym; | |
| 4726 } | |
| 4727 | |
| 4728 int TypeClass::isauto() | |
| 4729 { | |
| 4730 return sym->isauto; | |
| 4731 } | |
| 4732 | |
| 4733 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4734 { | |
| 4735 if (t->ty == Tclass) | |
| 4736 { ClassDeclaration *cd; | |
| 4737 | |
| 4738 cd = ((TypeClass *)t)->sym; | |
| 4739 if (sym->isBaseOf(cd, poffset)) | |
| 4740 return 1; | |
| 4741 } | |
| 4742 return 0; | |
| 4743 } | |
| 4744 | |
| 4745 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4746 { | |
| 4747 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4748 if (this == to) | |
| 4749 return MATCHexact; | |
| 4750 | |
| 4751 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4752 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4753 { //printf("is base\n"); | |
| 4754 return MATCHconvert; | |
| 4755 } | |
| 4756 | |
| 4757 if (global.params.Dversion == 1) | |
| 4758 { | |
| 4759 // Allow conversion to (void *) | |
| 4760 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4761 return MATCHconvert; | |
| 4762 } | |
| 4763 | |
| 4764 return MATCHnomatch; | |
| 4765 } | |
| 4766 | |
| 4767 Expression *TypeClass::defaultInit(Loc loc) | |
| 4768 { | |
| 4769 #if LOGDEFAULTINIT | |
| 4770 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4771 #endif | |
| 4772 Expression *e; | |
| 4773 e = new NullExp(loc); | |
| 4774 e->type = this; | |
| 4775 return e; | |
| 4776 } | |
| 4777 | |
| 4778 int TypeClass::isZeroInit() | |
| 4779 { | |
| 4780 return 1; | |
| 4781 } | |
| 4782 | |
| 4783 int TypeClass::checkBoolean() | |
| 4784 { | |
| 4785 return TRUE; | |
| 4786 } | |
| 4787 | |
| 4788 int TypeClass::hasPointers() | |
| 4789 { | |
| 4790 return TRUE; | |
| 4791 } | |
| 4792 | |
| 4793 /***************************** TypeTuple *****************************/ | |
| 4794 | |
| 4795 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4796 : Type(Ttuple, NULL) | |
| 4797 { | |
| 4798 //printf("TypeTuple(this = %p)\n", this); | |
| 4799 this->arguments = arguments; | |
| 4800 #ifdef DEBUG | |
| 4801 if (arguments) | |
| 4802 { | |
| 4803 for (size_t i = 0; i < arguments->dim; i++) | |
| 4804 { | |
| 4805 Argument *arg = (Argument *)arguments->data[i]; | |
| 4806 assert(arg && arg->type); | |
| 4807 } | |
| 4808 } | |
| 4809 #endif | |
| 4810 } | |
| 4811 | |
| 4812 /**************** | |
| 4813 * Form TypeTuple from the types of the expressions. | |
| 4814 * Assume exps[] is already tuple expanded. | |
| 4815 */ | |
| 4816 | |
| 4817 TypeTuple::TypeTuple(Expressions *exps) | |
| 4818 : Type(Ttuple, NULL) | |
| 4819 { | |
| 4820 Arguments *arguments = new Arguments; | |
| 4821 if (exps) | |
| 4822 { | |
| 4823 arguments->setDim(exps->dim); | |
| 4824 for (size_t i = 0; i < exps->dim; i++) | |
| 4825 { Expression *e = (Expression *)exps->data[i]; | |
| 4826 if (e->type->ty == Ttuple) | |
| 4827 e->error("cannot form tuple of tuples"); | |
| 4828 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4829 arguments->data[i] = (void *)arg; | |
| 4830 } | |
| 4831 } | |
| 4832 this->arguments = arguments; | |
| 4833 } | |
| 4834 | |
| 4835 Type *TypeTuple::syntaxCopy() | |
| 4836 { | |
| 4837 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4838 Type *t = new TypeTuple(args); | |
| 4839 return t; | |
| 4840 } | |
| 4841 | |
| 4842 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4843 { | |
| 4844 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4845 if (!deco) | |
| 4846 deco = merge()->deco; | |
| 4847 | |
| 4848 /* Don't return merge(), because a tuple with one type has the | |
| 4849 * same deco as that type. | |
| 4850 */ | |
| 4851 return this; | |
| 4852 } | |
| 4853 | |
| 4854 int TypeTuple::equals(Object *o) | |
| 4855 { Type *t; | |
| 4856 | |
| 4857 t = (Type *)o; | |
| 4858 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4859 if (this == t) | |
| 4860 { | |
| 4861 return 1; | |
| 4862 } | |
| 4863 if (t->ty == Ttuple) | |
| 4864 { TypeTuple *tt = (TypeTuple *)t; | |
| 4865 | |
| 4866 if (arguments->dim == tt->arguments->dim) | |
| 4867 { | |
| 4868 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4869 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4870 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4871 | |
| 4872 if (!arg1->type->equals(arg2->type)) | |
| 4873 return 0; | |
| 4874 } | |
| 4875 return 1; | |
| 4876 } | |
| 4877 } | |
| 4878 return 0; | |
| 4879 } | |
| 4880 | |
| 4881 Type *TypeTuple::reliesOnTident() | |
| 4882 { | |
| 4883 if (arguments) | |
| 4884 { | |
| 4885 for (size_t i = 0; i < arguments->dim; i++) | |
| 4886 { | |
| 4887 Argument *arg = (Argument *)arguments->data[i]; | |
| 4888 Type *t = arg->type->reliesOnTident(); | |
| 4889 if (t) | |
| 4890 return t; | |
| 4891 } | |
| 4892 } | |
| 4893 return NULL; | |
| 4894 } | |
| 4895 | |
| 4896 void TypeTuple::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4897 { | |
| 4898 Argument::argsToCBuffer(buf, hgs, arguments, 0); | |
| 4899 } | |
| 4900 | |
| 4901 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4902 { | |
| 4903 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4904 OutBuffer buf2; | |
| 4905 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4906 unsigned len = buf2.offset; | |
| 4907 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4908 } | |
| 4909 | |
| 4910 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4911 { Expression *e; | |
| 4912 | |
| 4913 #if LOGDOTEXP | |
| 4914 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4915 #endif | |
| 4916 if (ident == Id::length) | |
| 4917 { | |
| 4918 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4919 } | |
| 4920 else | |
| 4921 { | |
| 4922 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4923 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4924 } | |
| 4925 return e; | |
| 4926 } | |
| 4927 | |
| 4928 /***************************** TypeSlice *****************************/ | |
| 4929 | |
| 4930 /* This is so we can slice a TypeTuple */ | |
| 4931 | |
| 4932 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4933 : Type(Tslice, next) | |
| 4934 { | |
| 4935 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4936 this->lwr = lwr; | |
| 4937 this->upr = upr; | |
| 4938 } | |
| 4939 | |
| 4940 Type *TypeSlice::syntaxCopy() | |
| 4941 { | |
| 4942 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4943 return t; | |
| 4944 } | |
| 4945 | |
| 4946 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4947 { | |
| 4948 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4949 next = next->semantic(loc, sc); | |
| 4950 //printf("next: %s\n", next->toChars()); | |
| 4951 | |
| 4952 Type *tbn = next->toBasetype(); | |
| 4953 if (tbn->ty != Ttuple) | |
| 4954 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4955 return Type::terror; | |
| 4956 } | |
| 4957 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4958 | |
| 4959 lwr = semanticLength(sc, tbn, lwr); | |
| 4960 lwr = lwr->optimize(WANTvalue); | |
| 4961 uinteger_t i1 = lwr->toUInteger(); | |
| 4962 | |
| 4963 upr = semanticLength(sc, tbn, upr); | |
| 4964 upr = upr->optimize(WANTvalue); | |
| 4965 uinteger_t i2 = upr->toUInteger(); | |
| 4966 | |
| 4967 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4968 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4969 return Type::terror; | |
| 4970 } | |
| 4971 | |
| 4972 Arguments *args = new Arguments; | |
| 4973 args->reserve(i2 - i1); | |
| 4974 for (size_t i = i1; i < i2; i++) | |
| 4975 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4976 args->push(arg); | |
| 4977 } | |
| 4978 | |
| 4979 return new TypeTuple(args); | |
| 4980 } | |
| 4981 | |
| 4982 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4983 { | |
| 4984 next->resolve(loc, sc, pe, pt, ps); | |
| 4985 if (*pe) | |
| 4986 { // It's really a slice expression | |
| 4987 Expression *e; | |
| 4988 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4989 *pe = e; | |
| 4990 } | |
| 4991 else if (*ps) | |
| 4992 { Dsymbol *s = *ps; | |
| 4993 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4994 if (td) | |
| 4995 { | |
| 4996 /* It's a slice of a TupleDeclaration | |
| 4997 */ | |
| 4998 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4999 sym->parent = sc->scopesym; | |
| 5000 sc = sc->push(sym); | |
| 5001 | |
| 5002 lwr = lwr->semantic(sc); | |
| 5003 lwr = lwr->optimize(WANTvalue); | |
| 5004 uinteger_t i1 = lwr->toUInteger(); | |
| 5005 | |
| 5006 upr = upr->semantic(sc); | |
| 5007 upr = upr->optimize(WANTvalue); | |
| 5008 uinteger_t i2 = upr->toUInteger(); | |
| 5009 | |
| 5010 sc = sc->pop(); | |
| 5011 | |
| 5012 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 5013 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 5014 goto Ldefault; | |
| 5015 } | |
| 5016 | |
| 5017 if (i1 == 0 && i2 == td->objects->dim) | |
| 5018 { | |
| 5019 *ps = td; | |
| 5020 return; | |
| 5021 } | |
| 5022 | |
| 5023 /* Create a new TupleDeclaration which | |
| 5024 * is a slice [i1..i2] out of the old one. | |
| 5025 */ | |
| 5026 Objects *objects = new Objects; | |
| 5027 objects->setDim(i2 - i1); | |
| 5028 for (size_t i = 0; i < objects->dim; i++) | |
| 5029 { | |
| 5030 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 5031 } | |
| 5032 | |
| 5033 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 5034 *ps = tds; | |
| 5035 } | |
| 5036 else | |
| 5037 goto Ldefault; | |
| 5038 } | |
| 5039 else | |
| 5040 { | |
| 5041 Ldefault: | |
| 5042 Type::resolve(loc, sc, pe, pt, ps); | |
| 5043 } | |
| 5044 } | |
| 5045 | |
| 5046 void TypeSlice::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 5047 { | |
| 5048 if (mod != this->mod) | |
| 5049 { toCBuffer3(buf, hgs, mod); | |
| 5050 return; | |
| 5051 } | |
| 5052 next->toCBuffer2(buf, hgs, this->mod); | |
| 5053 | |
| 5054 buf->printf("[%s .. ", lwr->toChars()); | |
| 5055 buf->printf("%s]", upr->toChars()); | |
| 5056 } | |
| 5057 | |
| 5058 /***************************** Argument *****************************/ | |
| 5059 | |
| 5060 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 5061 { | |
| 5062 this->type = type; | |
| 5063 this->ident = ident; | |
| 5064 this->storageClass = storageClass; | |
| 5065 this->defaultArg = defaultArg; | |
|
217
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
lindquist
parents:
211
diff
changeset
|
5066 this->llvmByVal = false; |
| 159 | 5067 } |
| 5068 | |
| 5069 Argument *Argument::syntaxCopy() | |
| 5070 { | |
| 5071 Argument *a = new Argument(storageClass, | |
| 5072 type ? type->syntaxCopy() : NULL, | |
| 5073 ident, | |
| 5074 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
|
217
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
lindquist
parents:
211
diff
changeset
|
5075 a->llvmByVal = llvmByVal; |
| 159 | 5076 return a; |
| 5077 } | |
| 5078 | |
| 5079 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5080 { Arguments *a = NULL; | |
| 5081 | |
| 5082 if (args) | |
| 5083 { | |
| 5084 a = new Arguments(); | |
| 5085 a->setDim(args->dim); | |
| 5086 for (size_t i = 0; i < a->dim; i++) | |
| 5087 { Argument *arg = (Argument *)args->data[i]; | |
| 5088 | |
| 5089 arg = arg->syntaxCopy(); | |
| 5090 a->data[i] = (void *)arg; | |
| 5091 } | |
| 5092 } | |
| 5093 return a; | |
| 5094 } | |
| 5095 | |
| 5096 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5097 { OutBuffer *buf; | |
| 5098 | |
| 5099 buf = new OutBuffer(); | |
| 5100 | |
| 5101 buf->writeByte('('); | |
| 5102 if (args) | |
| 5103 { int i; | |
| 5104 OutBuffer argbuf; | |
| 5105 HdrGenState hgs; | |
| 5106 | |
| 5107 for (i = 0; i < args->dim; i++) | |
| 5108 { Argument *arg; | |
| 5109 | |
| 5110 if (i) | |
| 5111 buf->writeByte(','); | |
| 5112 arg = (Argument *)args->data[i]; | |
| 5113 argbuf.reset(); | |
| 5114 arg->type->toCBuffer2(&argbuf, &hgs, 0); | |
| 5115 buf->write(&argbuf); | |
| 5116 } | |
| 5117 if (varargs) | |
| 5118 { | |
| 5119 if (i && varargs == 1) | |
| 5120 buf->writeByte(','); | |
| 5121 buf->writestring("..."); | |
| 5122 } | |
| 5123 } | |
| 5124 buf->writeByte(')'); | |
| 5125 | |
| 5126 return buf->toChars(); | |
| 5127 } | |
| 5128 | |
| 5129 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5130 { | |
| 5131 buf->writeByte('('); | |
| 5132 if (arguments) | |
| 5133 { int i; | |
| 5134 OutBuffer argbuf; | |
| 5135 | |
| 5136 for (i = 0; i < arguments->dim; i++) | |
| 5137 { Argument *arg; | |
| 5138 | |
| 5139 if (i) | |
| 5140 buf->writestring(", "); | |
| 5141 arg = (Argument *)arguments->data[i]; | |
| 5142 if (arg->storageClass & STCout) | |
| 5143 buf->writestring("out "); | |
| 5144 else if (arg->storageClass & STCref) | |
| 5145 buf->writestring((global.params.Dversion == 1) | |
| 5146 ? (char *)"inout " : (char *)"ref "); | |
| 5147 else if (arg->storageClass & STClazy) | |
| 5148 buf->writestring("lazy "); | |
| 5149 argbuf.reset(); | |
| 5150 arg->type->toCBuffer(&argbuf, arg->ident, hgs); | |
| 5151 if (arg->defaultArg) | |
| 5152 { | |
| 5153 argbuf.writestring(" = "); | |
| 5154 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5155 } | |
| 5156 buf->write(&argbuf); | |
| 5157 } | |
| 5158 if (varargs) | |
| 5159 { | |
| 5160 if (i && varargs == 1) | |
| 5161 buf->writeByte(','); | |
| 5162 buf->writestring("..."); | |
| 5163 } | |
| 5164 } | |
| 5165 buf->writeByte(')'); | |
| 5166 } | |
| 5167 | |
| 5168 | |
| 5169 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5170 { | |
| 5171 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5172 | |
| 5173 // Write argument types | |
| 5174 if (arguments) | |
| 5175 { | |
| 5176 size_t dim = Argument::dim(arguments); | |
| 5177 for (size_t i = 0; i < dim; i++) | |
| 5178 { | |
| 5179 Argument *arg = Argument::getNth(arguments, i); | |
| 5180 arg->toDecoBuffer(buf); | |
| 5181 } | |
| 5182 } | |
| 5183 } | |
| 5184 | |
| 5185 /**************************************************** | |
| 5186 * Determine if parameter is a lazy array of delegates. | |
| 5187 * If so, return the return type of those delegates. | |
| 5188 * If not, return NULL. | |
| 5189 */ | |
| 5190 | |
| 5191 Type *Argument::isLazyArray() | |
| 5192 { | |
| 5193 // if (inout == Lazy) | |
| 5194 { | |
| 5195 Type *tb = type->toBasetype(); | |
| 5196 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5197 { | |
| 5198 Type *tel = tb->next->toBasetype(); | |
| 5199 if (tel->ty == Tdelegate) | |
| 5200 { | |
| 5201 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5202 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5203 | |
| 5204 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5205 { | |
| 5206 return tf->next; // return type of delegate | |
| 5207 } | |
| 5208 } | |
| 5209 } | |
| 5210 } | |
| 5211 return NULL; | |
| 5212 } | |
| 5213 | |
| 5214 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5215 { | |
| 5216 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5217 { case 0: | |
| 5218 case STCin: | |
| 5219 break; | |
| 5220 case STCout: | |
| 5221 buf->writeByte('J'); | |
| 5222 break; | |
| 5223 case STCref: | |
| 5224 buf->writeByte('K'); | |
| 5225 break; | |
| 5226 case STClazy: | |
| 5227 buf->writeByte('L'); | |
| 5228 break; | |
| 5229 default: | |
| 5230 #ifdef DEBUG | |
| 5231 halt(); | |
| 5232 #endif | |
| 5233 assert(0); | |
| 5234 } | |
| 5235 type->toDecoBuffer(buf); | |
| 5236 } | |
| 5237 | |
| 5238 /*************************************** | |
| 5239 * Determine number of arguments, folding in tuples. | |
| 5240 */ | |
| 5241 | |
| 5242 size_t Argument::dim(Arguments *args) | |
| 5243 { | |
| 5244 size_t n = 0; | |
| 5245 if (args) | |
| 5246 { | |
| 5247 for (size_t i = 0; i < args->dim; i++) | |
| 5248 { Argument *arg = (Argument *)args->data[i]; | |
| 5249 Type *t = arg->type->toBasetype(); | |
| 5250 | |
| 5251 if (t->ty == Ttuple) | |
| 5252 { TypeTuple *tu = (TypeTuple *)t; | |
| 5253 n += dim(tu->arguments); | |
| 5254 } | |
| 5255 else | |
| 5256 n++; | |
| 5257 } | |
| 5258 } | |
| 5259 return n; | |
| 5260 } | |
| 5261 | |
| 5262 /*************************************** | |
| 5263 * Get nth Argument, folding in tuples. | |
| 5264 * Returns: | |
| 5265 * Argument* nth Argument | |
| 5266 * NULL not found, *pn gets incremented by the number | |
| 5267 * of Arguments | |
| 5268 */ | |
| 5269 | |
| 5270 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5271 { | |
| 5272 if (!args) | |
| 5273 return NULL; | |
| 5274 | |
| 5275 size_t n = 0; | |
| 5276 for (size_t i = 0; i < args->dim; i++) | |
| 5277 { Argument *arg = (Argument *)args->data[i]; | |
| 5278 Type *t = arg->type->toBasetype(); | |
| 5279 | |
| 5280 if (t->ty == Ttuple) | |
| 5281 { TypeTuple *tu = (TypeTuple *)t; | |
| 5282 arg = getNth(tu->arguments, nth - n, &n); | |
| 5283 if (arg) | |
| 5284 return arg; | |
| 5285 } | |
| 5286 else if (n == nth) | |
| 5287 return arg; | |
| 5288 else | |
| 5289 n++; | |
| 5290 } | |
| 5291 | |
| 5292 if (pn) | |
| 5293 *pn += n; | |
| 5294 return NULL; | |
| 5295 } |