Mercurial > projects > ldc
annotate dmd/mtype.c @ 243:4d006f7b2ada trunk
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
| author | lindquist |
|---|---|
| date | Mon, 09 Jun 2008 03:02:14 +0200 |
| parents | 0806379a5eca |
| children | d9d5d59873d8 |
| 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> | |
| 28 #else | |
| 29 //#define signbit 56 | |
| 30 #endif | |
| 31 | |
| 32 #if __APPLE__ | |
| 33 #include <math.h> | |
| 34 static double zero = 0; | |
| 35 #elif __GNUC__ | |
| 36 #include <math.h> | |
| 37 #include <bits/nan.h> | |
| 38 #include <bits/mathdef.h> | |
| 39 static double zero = 0; | |
| 40 #endif | |
| 41 | |
| 42 #include "mem.h" | |
| 43 | |
| 44 #include "dsymbol.h" | |
| 45 #include "mtype.h" | |
| 46 #include "scope.h" | |
| 47 #include "init.h" | |
| 48 #include "expression.h" | |
| 49 #include "attrib.h" | |
| 50 #include "declaration.h" | |
| 51 #include "template.h" | |
| 52 #include "id.h" | |
| 53 #include "enum.h" | |
| 54 #include "import.h" | |
| 55 #include "aggregate.h" | |
| 56 #include "hdrgen.h" | |
| 57 | |
| 58 FuncDeclaration *hasThis(Scope *sc); | |
| 59 | |
| 60 | |
| 61 #define LOGDOTEXP 0 // log ::dotExp() | |
| 62 #define LOGDEFAULTINIT 0 // log ::defaultInit() | |
| 63 | |
| 64 // Allow implicit conversion of T[] to T* | |
| 65 #define IMPLICIT_ARRAY_TO_PTR global.params.useDeprecated | |
| 66 | |
| 67 /* These have default values for 32 bit code, they get | |
| 68 * adjusted for 64 bit code. | |
| 69 */ | |
| 70 | |
| 71 int PTRSIZE = 4; | |
| 72 #if IN_LLVM | |
| 73 int REALSIZE = 8; | |
| 74 int REALPAD = 0; | |
| 75 #elif TARGET_LINUX | |
| 76 int REALSIZE = 12; | |
| 77 int REALPAD = 2; | |
| 78 #else | |
| 79 int REALSIZE = 10; | |
| 80 int REALPAD = 0; | |
| 81 #endif | |
| 82 int Tsize_t = Tuns32; | |
| 83 int Tptrdiff_t = Tint32; | |
| 84 | |
| 85 /***************************** Type *****************************/ | |
| 86 | |
| 87 ClassDeclaration *Type::typeinfo; | |
| 88 ClassDeclaration *Type::typeinfoclass; | |
| 89 ClassDeclaration *Type::typeinfointerface; | |
| 90 ClassDeclaration *Type::typeinfostruct; | |
| 91 ClassDeclaration *Type::typeinfotypedef; | |
| 92 ClassDeclaration *Type::typeinfopointer; | |
| 93 ClassDeclaration *Type::typeinfoarray; | |
| 94 ClassDeclaration *Type::typeinfostaticarray; | |
| 95 ClassDeclaration *Type::typeinfoassociativearray; | |
| 96 ClassDeclaration *Type::typeinfoenum; | |
| 97 ClassDeclaration *Type::typeinfofunction; | |
| 98 ClassDeclaration *Type::typeinfodelegate; | |
| 99 ClassDeclaration *Type::typeinfotypelist; | |
| 100 | |
| 101 Type *Type::tvoidptr; | |
| 102 Type *Type::basic[TMAX]; | |
| 103 unsigned char Type::mangleChar[TMAX]; | |
| 104 StringTable Type::stringtable; | |
| 105 | |
| 106 | |
| 107 Type::Type(TY ty, Type *next) | |
| 108 { | |
| 109 this->ty = ty; | |
| 110 this->mod = 0; | |
| 111 this->next = next; | |
| 112 this->deco = NULL; | |
| 113 #if V2 | |
| 114 this->cto = NULL; | |
| 115 this->ito = NULL; | |
| 116 #endif | |
| 117 this->pto = NULL; | |
| 118 this->rto = NULL; | |
| 119 this->arrayof = NULL; | |
| 120 this->vtinfo = NULL; | |
| 121 this->ctype = NULL; | |
| 122 } | |
| 123 | |
| 124 Type *Type::syntaxCopy() | |
| 125 { | |
| 126 print(); | |
| 127 fprintf(stdmsg, "ty = %d\n", ty); | |
| 128 assert(0); | |
| 129 return this; | |
| 130 } | |
| 131 | |
| 132 int Type::equals(Object *o) | |
| 133 { Type *t; | |
| 134 | |
| 135 t = (Type *)o; | |
| 136 //printf("Type::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 137 if (this == o || | |
| 138 (t && deco == t->deco) && // deco strings are unique | |
| 139 deco != NULL) // and semantic() has been run | |
| 140 { | |
| 141 //printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 142 return 1; | |
| 143 } | |
| 144 //if (deco && t && t->deco) printf("deco = '%s', t->deco = '%s'\n", deco, t->deco); | |
| 145 return 0; | |
| 146 } | |
| 147 | |
| 148 char Type::needThisPrefix() | |
| 149 { | |
| 150 return 'M'; // name mangling prefix for functions needing 'this' | |
| 151 } | |
| 152 | |
| 153 void Type::init() | |
| 154 { int i; | |
| 155 int j; | |
| 156 | |
| 157 Lexer::initKeywords(); | |
| 158 | |
| 159 mangleChar[Tarray] = 'A'; | |
| 160 mangleChar[Tsarray] = 'G'; | |
| 161 mangleChar[Taarray] = 'H'; | |
| 162 mangleChar[Tpointer] = 'P'; | |
| 163 mangleChar[Treference] = 'R'; | |
| 164 mangleChar[Tfunction] = 'F'; | |
| 165 mangleChar[Tident] = 'I'; | |
| 166 mangleChar[Tclass] = 'C'; | |
| 167 mangleChar[Tstruct] = 'S'; | |
| 168 mangleChar[Tenum] = 'E'; | |
| 169 mangleChar[Ttypedef] = 'T'; | |
| 170 mangleChar[Tdelegate] = 'D'; | |
| 171 | |
| 172 mangleChar[Tnone] = 'n'; | |
| 173 mangleChar[Tvoid] = 'v'; | |
| 174 mangleChar[Tint8] = 'g'; | |
| 175 mangleChar[Tuns8] = 'h'; | |
| 176 mangleChar[Tint16] = 's'; | |
| 177 mangleChar[Tuns16] = 't'; | |
| 178 mangleChar[Tint32] = 'i'; | |
| 179 mangleChar[Tuns32] = 'k'; | |
| 180 mangleChar[Tint64] = 'l'; | |
| 181 mangleChar[Tuns64] = 'm'; | |
| 182 mangleChar[Tfloat32] = 'f'; | |
| 183 mangleChar[Tfloat64] = 'd'; | |
| 184 mangleChar[Tfloat80] = 'e'; | |
| 185 | |
| 186 mangleChar[Timaginary32] = 'o'; | |
| 187 mangleChar[Timaginary64] = 'p'; | |
| 188 mangleChar[Timaginary80] = 'j'; | |
| 189 mangleChar[Tcomplex32] = 'q'; | |
| 190 mangleChar[Tcomplex64] = 'r'; | |
| 191 mangleChar[Tcomplex80] = 'c'; | |
| 192 | |
| 193 mangleChar[Tbool] = 'b'; | |
| 194 mangleChar[Tascii] = 'a'; | |
| 195 mangleChar[Twchar] = 'u'; | |
| 196 mangleChar[Tdchar] = 'w'; | |
| 197 | |
| 198 mangleChar[Tbit] = '@'; | |
| 199 mangleChar[Tinstance] = '@'; | |
| 200 mangleChar[Terror] = '@'; | |
| 201 mangleChar[Ttypeof] = '@'; | |
| 202 mangleChar[Ttuple] = 'B'; | |
| 203 mangleChar[Tslice] = '@'; | |
| 204 | |
| 205 for (i = 0; i < TMAX; i++) | |
| 206 { if (!mangleChar[i]) | |
| 207 fprintf(stdmsg, "ty = %d\n", i); | |
| 208 assert(mangleChar[i]); | |
| 209 } | |
| 210 | |
| 211 // Set basic types | |
| 212 static TY basetab[] = | |
| 213 { Tvoid, Tint8, Tuns8, Tint16, Tuns16, Tint32, Tuns32, Tint64, Tuns64, | |
| 214 Tfloat32, Tfloat64, Tfloat80, | |
| 215 Timaginary32, Timaginary64, Timaginary80, | |
| 216 Tcomplex32, Tcomplex64, Tcomplex80, | |
| 217 Tbit, Tbool, | |
| 218 Tascii, Twchar, Tdchar }; | |
| 219 | |
| 220 for (i = 0; i < sizeof(basetab) / sizeof(basetab[0]); i++) | |
| 221 basic[basetab[i]] = new TypeBasic(basetab[i]); | |
| 222 basic[Terror] = basic[Tint32]; | |
| 223 | |
| 224 tvoidptr = tvoid->pointerTo(); | |
| 225 | |
|
243
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
|
226 // set size_t / ptrdiff_t types |
| 159 | 227 if (global.params.is64bit) |
| 228 { | |
|
243
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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changeset
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229 Tsize_t = Tuns64; |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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230 Tptrdiff_t = Tint64; |
| 159 | 231 } |
| 232 else | |
| 233 { | |
|
243
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
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234 Tsize_t = Tuns32; |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
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235 Tptrdiff_t = Tint32; |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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236 } |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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237 |
|
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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238 // set real size and padding |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
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239 if (global.params.useFP80) |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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changeset
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240 { |
|
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[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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241 REALSIZE = 12; |
|
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
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242 REALPAD = 2; |
|
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
|
243 } |
|
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
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244 else |
|
4d006f7b2ada
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
lindquist
parents:
217
diff
changeset
|
245 { |
| 159 | 246 REALSIZE = 8; |
| 247 REALPAD = 0; | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 d_uns64 Type::size() | |
| 252 { | |
| 253 return size(0); | |
| 254 } | |
| 255 | |
| 256 d_uns64 Type::size(Loc loc) | |
| 257 { | |
| 258 error(loc, "no size for type %s", toChars()); | |
| 259 return 1; | |
| 260 } | |
| 261 | |
| 262 unsigned Type::alignsize() | |
| 263 { | |
| 264 return size(0); | |
| 265 } | |
| 266 | |
| 267 Type *Type::semantic(Loc loc, Scope *sc) | |
| 268 { | |
| 269 if (next) | |
| 270 next = next->semantic(loc,sc); | |
| 271 return merge(); | |
| 272 } | |
| 273 | |
| 274 Type *Type::pointerTo() | |
| 275 { | |
| 276 if (!pto) | |
| 277 { Type *t; | |
| 278 | |
| 279 t = new TypePointer(this); | |
| 280 pto = t->merge(); | |
| 281 } | |
| 282 return pto; | |
| 283 } | |
| 284 | |
| 285 Type *Type::referenceTo() | |
| 286 { | |
| 287 if (!rto) | |
| 288 { Type *t; | |
| 289 | |
| 290 t = new TypeReference(this); | |
| 291 rto = t->merge(); | |
| 292 } | |
| 293 return rto; | |
| 294 } | |
| 295 | |
| 296 Type *Type::arrayOf() | |
| 297 { | |
| 298 if (!arrayof) | |
| 299 { Type *t; | |
| 300 | |
| 301 t = new TypeDArray(this); | |
| 302 arrayof = t->merge(); | |
| 303 } | |
| 304 return arrayof; | |
| 305 } | |
| 306 | |
| 307 Dsymbol *Type::toDsymbol(Scope *sc) | |
| 308 { | |
| 309 return NULL; | |
| 310 } | |
| 311 | |
| 312 /******************************* | |
| 313 * If this is a shell around another type, | |
| 314 * get that other type. | |
| 315 */ | |
| 316 | |
| 317 Type *Type::toBasetype() | |
| 318 { | |
| 319 return this; | |
| 320 } | |
| 321 | |
| 322 /******************************** | |
| 323 * Name mangling. | |
| 324 */ | |
| 325 | |
| 326 void Type::toDecoBuffer(OutBuffer *buf) | |
| 327 { | |
| 328 buf->writeByte(mangleChar[ty]); | |
| 329 if (next) | |
| 330 { | |
| 331 assert(next != this); | |
| 332 //printf("this = %p, ty = %d, next = %p, ty = %d\n", this, this->ty, next, next->ty); | |
| 333 next->toDecoBuffer(buf); | |
| 334 } | |
| 335 } | |
| 336 | |
| 337 /******************************** | |
| 338 * For pretty-printing a type. | |
| 339 */ | |
| 340 | |
| 341 char *Type::toChars() | |
| 342 { OutBuffer *buf; | |
| 343 HdrGenState hgs; | |
| 344 | |
| 345 buf = new OutBuffer(); | |
| 346 toCBuffer(buf, NULL, &hgs); | |
| 347 return buf->toChars(); | |
| 348 } | |
| 349 | |
| 350 void Type::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 351 { | |
| 352 toCBuffer2(buf, hgs, 0); | |
| 353 if (ident) | |
| 354 { buf->writeByte(' '); | |
| 355 buf->writestring(ident->toChars()); | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 void Type::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 360 { | |
| 361 if (mod != this->mod) | |
| 362 { toCBuffer3(buf, hgs, mod); | |
| 363 return; | |
| 364 } | |
| 365 buf->writestring(toChars()); | |
| 366 } | |
| 367 | |
| 368 void Type::toCBuffer3(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 369 { | |
| 370 if (mod != this->mod) | |
| 371 { char *p; | |
| 372 | |
| 373 switch (this->mod) | |
| 374 { | |
| 375 case 0: | |
| 376 toCBuffer2(buf, hgs, this->mod); | |
| 377 break; | |
| 378 case MODconst: | |
| 379 p = "const("; | |
| 380 goto L1; | |
| 381 case MODinvariant: | |
| 382 p = "invariant("; | |
| 383 L1: buf->writestring(p); | |
| 384 toCBuffer2(buf, hgs, this->mod); | |
| 385 buf->writeByte(')'); | |
| 386 break; | |
| 387 default: | |
| 388 assert(0); | |
| 389 } | |
| 390 } | |
| 391 } | |
| 392 | |
| 393 | |
| 394 /************************************ | |
| 395 */ | |
| 396 | |
| 397 Type *Type::merge() | |
| 398 { Type *t; | |
| 399 | |
| 400 //printf("merge(%s)\n", toChars()); | |
| 401 t = this; | |
| 402 assert(t); | |
| 403 if (!deco) | |
| 404 { | |
| 405 OutBuffer buf; | |
| 406 StringValue *sv; | |
| 407 | |
| 408 if (next) | |
| 409 next = next->merge(); | |
| 410 toDecoBuffer(&buf); | |
| 411 sv = stringtable.update((char *)buf.data, buf.offset); | |
| 412 if (sv->ptrvalue) | |
| 413 { t = (Type *) sv->ptrvalue; | |
| 414 assert(t->deco); | |
| 415 //printf("old value, deco = '%s' %p\n", t->deco, t->deco); | |
| 416 } | |
| 417 else | |
| 418 { | |
| 419 sv->ptrvalue = this; | |
| 420 deco = sv->lstring.string; | |
| 421 //printf("new value, deco = '%s' %p\n", t->deco, t->deco); | |
| 422 } | |
| 423 } | |
| 424 return t; | |
| 425 } | |
| 426 | |
| 427 int Type::isbit() | |
| 428 { | |
| 429 return FALSE; | |
| 430 } | |
| 431 | |
| 432 int Type::isintegral() | |
| 433 { | |
| 434 return FALSE; | |
| 435 } | |
| 436 | |
| 437 int Type::isfloating() | |
| 438 { | |
| 439 return FALSE; | |
| 440 } | |
| 441 | |
| 442 int Type::isreal() | |
| 443 { | |
| 444 return FALSE; | |
| 445 } | |
| 446 | |
| 447 int Type::isimaginary() | |
| 448 { | |
| 449 return FALSE; | |
| 450 } | |
| 451 | |
| 452 int Type::iscomplex() | |
| 453 { | |
| 454 return FALSE; | |
| 455 } | |
| 456 | |
| 457 int Type::isscalar() | |
| 458 { | |
| 459 return FALSE; | |
| 460 } | |
| 461 | |
| 462 int Type::isunsigned() | |
| 463 { | |
| 464 return FALSE; | |
| 465 } | |
| 466 | |
| 467 ClassDeclaration *Type::isClassHandle() | |
| 468 { | |
| 469 return NULL; | |
| 470 } | |
| 471 | |
| 472 int Type::isauto() | |
| 473 { | |
| 474 return FALSE; | |
| 475 } | |
| 476 | |
| 477 int Type::isString() | |
| 478 { | |
| 479 return FALSE; | |
| 480 } | |
| 481 | |
| 482 int Type::checkBoolean() | |
| 483 { | |
| 484 return isscalar(); | |
| 485 } | |
| 486 | |
| 487 /********************************* | |
| 488 * Check type to see if it is based on a deprecated symbol. | |
| 489 */ | |
| 490 | |
| 491 void Type::checkDeprecated(Loc loc, Scope *sc) | |
| 492 { | |
| 493 Type *t; | |
| 494 Dsymbol *s; | |
| 495 | |
| 496 for (t = this; t; t = t->next) | |
| 497 { | |
| 498 s = t->toDsymbol(sc); | |
| 499 if (s) | |
| 500 s->checkDeprecated(loc, sc); | |
| 501 } | |
| 502 } | |
| 503 | |
| 504 | |
| 505 Expression *Type::defaultInit(Loc loc) | |
| 506 { | |
| 507 #if LOGDEFAULTINIT | |
| 508 printf("Type::defaultInit() '%s'\n", toChars()); | |
| 509 #endif | |
| 510 return NULL; | |
| 511 } | |
| 512 | |
| 513 int Type::isZeroInit() | |
| 514 { | |
| 515 return 0; // assume not | |
| 516 } | |
| 517 | |
| 518 int Type::isBaseOf(Type *t, int *poffset) | |
| 519 { | |
| 520 return 0; // assume not | |
| 521 } | |
| 522 | |
| 523 /******************************** | |
| 524 * Determine if 'this' can be implicitly converted | |
| 525 * to type 'to'. | |
| 526 * Returns: | |
| 527 * 0 can't convert | |
| 528 * 1 can convert using implicit conversions | |
| 529 * 2 this and to are the same type | |
| 530 */ | |
| 531 | |
| 532 MATCH Type::implicitConvTo(Type *to) | |
| 533 { | |
| 534 //printf("Type::implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 535 //printf("\tthis->next=%p, to->next=%p\n", this->next, to->next); | |
| 536 if (this == to) | |
| 537 return MATCHexact; | |
| 538 // if (to->ty == Tvoid) | |
| 539 // return 1; | |
| 540 return MATCHnomatch; | |
| 541 } | |
| 542 | |
| 543 Expression *Type::getProperty(Loc loc, Identifier *ident) | |
| 544 { Expression *e; | |
| 545 | |
| 546 #if LOGDOTEXP | |
| 547 printf("Type::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 548 #endif | |
| 549 if (ident == Id::__sizeof) | |
| 550 { | |
| 551 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 552 } | |
| 553 else if (ident == Id::size) | |
| 554 { | |
| 555 error(loc, ".size property should be replaced with .sizeof"); | |
| 556 e = new IntegerExp(loc, size(loc), Type::tsize_t); | |
| 557 } | |
| 558 else if (ident == Id::alignof) | |
| 559 { | |
| 560 e = new IntegerExp(loc, alignsize(), Type::tsize_t); | |
| 561 } | |
| 562 else if (ident == Id::typeinfo) | |
| 563 { | |
| 564 if (!global.params.useDeprecated) | |
| 565 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 566 e = getTypeInfo(NULL); | |
| 567 } | |
| 568 else if (ident == Id::init) | |
| 569 { | |
| 570 if (ty == Tvoid) | |
| 571 error(loc, "void does not have an initializer"); | |
| 572 e = defaultInit(loc); | |
| 573 } | |
| 574 else if (ident == Id::mangleof) | |
| 575 { | |
| 576 assert(deco); | |
| 577 e = new StringExp(loc, deco, strlen(deco), 'c'); | |
| 578 Scope sc; | |
| 579 e = e->semantic(&sc); | |
| 580 } | |
| 581 else if (ident == Id::stringof) | |
| 582 { char *s = toChars(); | |
| 583 e = new StringExp(loc, s, strlen(s), 'c'); | |
| 584 Scope sc; | |
| 585 e = e->semantic(&sc); | |
| 586 } | |
| 587 else | |
| 588 { | |
| 589 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars()); | |
| 590 e = new IntegerExp(loc, 1, Type::tint32); | |
| 591 } | |
| 592 return e; | |
| 593 } | |
| 594 | |
| 595 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 596 { VarDeclaration *v = NULL; | |
| 597 | |
| 598 #if LOGDOTEXP | |
| 599 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 600 #endif | |
| 601 if (e->op == TOKdotvar) | |
| 602 { | |
| 603 DotVarExp *dv = (DotVarExp *)e; | |
| 604 v = dv->var->isVarDeclaration(); | |
| 605 } | |
| 606 else if (e->op == TOKvar) | |
| 607 { | |
| 608 VarExp *ve = (VarExp *)e; | |
| 609 v = ve->var->isVarDeclaration(); | |
| 610 } | |
| 611 if (v) | |
| 612 { | |
| 613 if (ident == Id::offset) | |
| 614 { | |
| 615 if (!global.params.useDeprecated) | |
| 616 error(e->loc, ".offset deprecated, use .offsetof"); | |
| 617 goto Loffset; | |
| 618 } | |
| 619 else if (ident == Id::offsetof) | |
| 620 { | |
| 621 Loffset: | |
| 622 if (v->storage_class & STCfield) | |
| 623 { | |
| 624 e = new IntegerExp(e->loc, v->offset, Type::tsize_t); | |
| 625 return e; | |
| 626 } | |
| 627 } | |
| 628 else if (ident == Id::init) | |
| 629 { | |
| 630 #if 0 | |
| 631 if (v->init) | |
| 632 { | |
| 633 if (v->init->isVoidInitializer()) | |
| 634 error(e->loc, "%s.init is void", v->toChars()); | |
| 635 else | |
| 636 { Loc loc = e->loc; | |
| 637 e = v->init->toExpression(); | |
| 638 if (e->op == TOKassign || e->op == TOKconstruct) | |
| 639 { | |
| 640 e = ((AssignExp *)e)->e2; | |
| 641 | |
| 642 /* Take care of case where we used a 0 | |
| 643 * to initialize the struct. | |
| 644 */ | |
| 645 if (e->type == Type::tint32 && | |
| 646 e->isBool(0) && | |
| 647 v->type->toBasetype()->ty == Tstruct) | |
| 648 { | |
| 649 e = v->type->defaultInit(loc); | |
| 650 } | |
| 651 } | |
| 652 e = e->optimize(WANTvalue | WANTinterpret); | |
| 653 // if (!e->isConst()) | |
| 654 // error(loc, ".init cannot be evaluated at compile time"); | |
| 655 } | |
| 656 return e; | |
| 657 } | |
| 658 #endif | |
| 659 Expression *ex = defaultInit(e->loc); | |
| 660 return ex; | |
| 661 } | |
| 662 } | |
| 663 if (ident == Id::typeinfo) | |
| 664 { | |
| 665 if (!global.params.useDeprecated) | |
| 666 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 667 e = getTypeInfo(sc); | |
| 668 return e; | |
| 669 } | |
| 670 if (ident == Id::stringof) | |
| 671 { char *s = e->toChars(); | |
| 672 e = new StringExp(e->loc, s, strlen(s), 'c'); | |
| 673 Scope sc; | |
| 674 e = e->semantic(&sc); | |
| 675 return e; | |
| 676 } | |
| 677 return getProperty(e->loc, ident); | |
| 678 } | |
| 679 | |
| 680 unsigned Type::memalign(unsigned salign) | |
| 681 { | |
| 682 return salign; | |
| 683 } | |
| 684 | |
| 685 void Type::error(Loc loc, const char *format, ...) | |
| 686 { | |
| 687 va_list ap; | |
| 688 va_start(ap, format); | |
| 689 ::verror(loc, format, ap); | |
| 690 va_end( ap ); | |
| 691 } | |
| 692 | |
| 693 Identifier *Type::getTypeInfoIdent(int internal) | |
| 694 { | |
| 695 // _init_10TypeInfo_%s | |
| 696 OutBuffer buf; | |
| 697 Identifier *id; | |
| 698 char *name; | |
| 699 int len; | |
| 700 | |
| 701 //toTypeInfoBuffer(&buf); | |
| 702 if (internal) | |
| 703 { buf.writeByte(mangleChar[ty]); | |
| 704 if (ty == Tarray) | |
| 705 buf.writeByte(mangleChar[next->ty]); | |
| 706 } | |
| 707 else | |
| 708 toDecoBuffer(&buf); | |
| 709 len = buf.offset; | |
| 710 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1); | |
| 711 buf.writeByte(0); | |
| 712 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data); | |
| 713 if (global.params.isWindows) | |
| 714 name++; // C mangling will add it back in | |
| 715 //printf("name = %s\n", name); | |
| 716 id = Lexer::idPool(name); | |
| 717 return id; | |
| 718 } | |
| 719 | |
| 720 TypeBasic *Type::isTypeBasic() | |
| 721 { | |
| 722 return NULL; | |
| 723 } | |
| 724 | |
| 725 | |
| 726 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 727 { | |
| 728 Type *t; | |
| 729 | |
| 730 t = semantic(loc, sc); | |
| 731 *pt = t; | |
| 732 *pe = NULL; | |
| 733 *ps = NULL; | |
| 734 } | |
| 735 | |
| 736 /******************************* | |
| 737 * If one of the subtypes of this type is a TypeIdentifier, | |
| 738 * i.e. it's an unresolved type, return that type. | |
| 739 */ | |
| 740 | |
| 741 Type *Type::reliesOnTident() | |
| 742 { | |
| 743 if (!next) | |
| 744 return NULL; | |
| 745 else | |
| 746 return next->reliesOnTident(); | |
| 747 } | |
| 748 | |
| 749 /******************************** | |
| 750 * We've mistakenly parsed this as a type. | |
| 751 * Redo it as an Expression. | |
| 752 * NULL if cannot. | |
| 753 */ | |
| 754 | |
| 755 Expression *Type::toExpression() | |
| 756 { | |
| 757 return NULL; | |
| 758 } | |
| 759 | |
| 760 /*************************************** | |
| 761 * Return !=0 if type has pointers that need to | |
| 762 * be scanned by the GC during a collection cycle. | |
| 763 */ | |
| 764 | |
| 765 int Type::hasPointers() | |
| 766 { | |
| 767 return FALSE; | |
| 768 } | |
| 769 | |
| 770 /* ============================= TypeBasic =========================== */ | |
| 771 | |
| 772 TypeBasic::TypeBasic(TY ty) | |
| 773 : Type(ty, NULL) | |
| 774 { char *c; | |
| 775 char *d; | |
| 776 unsigned flags; | |
| 777 | |
| 778 #define TFLAGSintegral 1 | |
| 779 #define TFLAGSfloating 2 | |
| 780 #define TFLAGSunsigned 4 | |
| 781 #define TFLAGSreal 8 | |
| 782 #define TFLAGSimaginary 0x10 | |
| 783 #define TFLAGScomplex 0x20 | |
| 784 | |
| 785 flags = 0; | |
| 786 switch (ty) | |
| 787 { | |
| 788 case Tvoid: d = Token::toChars(TOKvoid); | |
| 789 c = "void"; | |
| 790 break; | |
| 791 | |
| 792 case Tint8: d = Token::toChars(TOKint8); | |
| 793 c = "byte"; | |
| 794 flags |= TFLAGSintegral; | |
| 795 break; | |
| 796 | |
| 797 case Tuns8: d = Token::toChars(TOKuns8); | |
| 798 c = "ubyte"; | |
| 799 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 800 break; | |
| 801 | |
| 802 case Tint16: d = Token::toChars(TOKint16); | |
| 803 c = "short"; | |
| 804 flags |= TFLAGSintegral; | |
| 805 break; | |
| 806 | |
| 807 case Tuns16: d = Token::toChars(TOKuns16); | |
| 808 c = "ushort"; | |
| 809 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 810 break; | |
| 811 | |
| 812 case Tint32: d = Token::toChars(TOKint32); | |
| 813 c = "int"; | |
| 814 flags |= TFLAGSintegral; | |
| 815 break; | |
| 816 | |
| 817 case Tuns32: d = Token::toChars(TOKuns32); | |
| 818 c = "uint"; | |
| 819 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 820 break; | |
| 821 | |
| 822 case Tfloat32: d = Token::toChars(TOKfloat32); | |
| 823 c = "float"; | |
| 824 flags |= TFLAGSfloating | TFLAGSreal; | |
| 825 break; | |
| 826 | |
| 827 case Tint64: d = Token::toChars(TOKint64); | |
| 828 c = "long"; | |
| 829 flags |= TFLAGSintegral; | |
| 830 break; | |
| 831 | |
| 832 case Tuns64: d = Token::toChars(TOKuns64); | |
| 833 c = "ulong"; | |
| 834 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 835 break; | |
| 836 | |
| 837 case Tfloat64: d = Token::toChars(TOKfloat64); | |
| 838 c = "double"; | |
| 839 flags |= TFLAGSfloating | TFLAGSreal; | |
| 840 break; | |
| 841 | |
| 842 case Tfloat80: d = Token::toChars(TOKfloat80); | |
| 843 c = "real"; | |
| 844 flags |= TFLAGSfloating | TFLAGSreal; | |
| 845 break; | |
| 846 | |
| 847 case Timaginary32: d = Token::toChars(TOKimaginary32); | |
| 848 c = "ifloat"; | |
| 849 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 850 break; | |
| 851 | |
| 852 case Timaginary64: d = Token::toChars(TOKimaginary64); | |
| 853 c = "idouble"; | |
| 854 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 855 break; | |
| 856 | |
| 857 case Timaginary80: d = Token::toChars(TOKimaginary80); | |
| 858 c = "ireal"; | |
| 859 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 860 break; | |
| 861 | |
| 862 case Tcomplex32: d = Token::toChars(TOKcomplex32); | |
| 863 c = "cfloat"; | |
| 864 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 865 break; | |
| 866 | |
| 867 case Tcomplex64: d = Token::toChars(TOKcomplex64); | |
| 868 c = "cdouble"; | |
| 869 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 870 break; | |
| 871 | |
| 872 case Tcomplex80: d = Token::toChars(TOKcomplex80); | |
| 873 c = "creal"; | |
| 874 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 875 break; | |
| 876 | |
| 877 | |
| 878 case Tbit: d = Token::toChars(TOKbit); | |
| 879 c = "bit"; | |
| 880 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 881 break; | |
| 882 | |
| 883 case Tbool: d = "bool"; | |
| 884 c = d; | |
| 885 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 886 break; | |
| 887 | |
| 888 case Tascii: d = Token::toChars(TOKchar); | |
| 889 c = "char"; | |
| 890 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 891 break; | |
| 892 | |
| 893 case Twchar: d = Token::toChars(TOKwchar); | |
| 894 c = "wchar"; | |
| 895 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 896 break; | |
| 897 | |
| 898 case Tdchar: d = Token::toChars(TOKdchar); | |
| 899 c = "dchar"; | |
| 900 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 901 break; | |
| 902 | |
| 903 default: assert(0); | |
| 904 } | |
| 905 this->dstring = d; | |
| 906 this->cstring = c; | |
| 907 this->flags = flags; | |
| 908 merge(); | |
| 909 } | |
| 910 | |
| 911 Type *TypeBasic::syntaxCopy() | |
| 912 { | |
| 913 // No semantic analysis done on basic types, no need to copy | |
| 914 return this; | |
| 915 } | |
| 916 | |
| 917 | |
| 918 char *TypeBasic::toChars() | |
| 919 { | |
| 920 return dstring; | |
| 921 } | |
| 922 | |
| 923 void TypeBasic::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 924 { | |
| 925 //printf("TypeBasic::toCBuffer2(mod = %d, this->mod = %d)\n", mod, this->mod); | |
| 926 if (mod != this->mod) | |
| 927 { toCBuffer3(buf, hgs, mod); | |
| 928 return; | |
| 929 } | |
| 930 buf->writestring(dstring); | |
| 931 } | |
| 932 | |
| 933 d_uns64 TypeBasic::size(Loc loc) | |
| 934 { unsigned size; | |
| 935 | |
| 936 //printf("TypeBasic::size()\n"); | |
| 937 switch (ty) | |
| 938 { | |
| 939 case Tint8: | |
| 940 case Tuns8: size = 1; break; | |
| 941 case Tint16: | |
| 942 case Tuns16: size = 2; break; | |
| 943 case Tint32: | |
| 944 case Tuns32: | |
| 945 case Tfloat32: | |
| 946 case Timaginary32: | |
| 947 size = 4; break; | |
| 948 case Tint64: | |
| 949 case Tuns64: | |
| 950 case Tfloat64: | |
| 951 case Timaginary64: | |
| 952 size = 8; break; | |
| 953 case Tfloat80: | |
| 954 case Timaginary80: | |
| 955 size = REALSIZE; break; | |
| 956 case Tcomplex32: | |
| 957 size = 8; break; | |
| 958 case Tcomplex64: | |
| 959 size = 16; break; | |
| 960 case Tcomplex80: | |
| 961 size = REALSIZE * 2; break; | |
| 962 | |
| 963 case Tvoid: | |
| 964 //size = Type::size(); // error message | |
| 965 size = 1; | |
| 966 break; | |
| 967 | |
| 968 case Tbit: size = 1; break; | |
| 969 case Tbool: size = 1; break; | |
| 970 case Tascii: size = 1; break; | |
| 971 case Twchar: size = 2; break; | |
| 972 case Tdchar: size = 4; break; | |
| 973 | |
| 974 default: | |
| 975 assert(0); | |
| 976 break; | |
| 977 } | |
| 978 //printf("TypeBasic::size() = %d\n", size); | |
| 979 return size; | |
| 980 } | |
| 981 | |
| 982 unsigned TypeBasic::alignsize() | |
| 983 { unsigned sz; | |
| 984 | |
| 985 switch (ty) | |
| 986 { | |
| 987 case Tfloat80: | |
| 988 case Timaginary80: | |
| 989 case Tcomplex80: | |
| 990 sz = REALSIZE; | |
| 991 break; | |
| 992 | |
| 993 default: | |
| 994 sz = size(0); | |
| 995 break; | |
| 996 } | |
| 997 return sz; | |
| 998 } | |
| 999 | |
| 1000 | |
| 1001 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident) | |
| 1002 { | |
| 1003 Expression *e; | |
| 1004 d_int64 ivalue; | |
| 1005 #ifdef IN_GCC | |
| 1006 real_t fvalue; | |
| 1007 #else | |
| 1008 d_float80 fvalue; | |
| 1009 #endif | |
| 1010 | |
| 1011 //printf("TypeBasic::getProperty('%s')\n", ident->toChars()); | |
| 1012 if (ident == Id::max) | |
| 1013 { | |
| 1014 switch (ty) | |
| 1015 { | |
| 1016 case Tint8: ivalue = 0x7F; goto Livalue; | |
| 1017 case Tuns8: ivalue = 0xFF; goto Livalue; | |
| 1018 case Tint16: ivalue = 0x7FFFUL; goto Livalue; | |
| 1019 case Tuns16: ivalue = 0xFFFFUL; goto Livalue; | |
| 1020 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue; | |
| 1021 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue; | |
| 1022 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue; | |
| 1023 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue; | |
| 1024 case Tbit: ivalue = 1; goto Livalue; | |
| 1025 case Tbool: ivalue = 1; goto Livalue; | |
| 1026 case Tchar: ivalue = 0xFF; goto Livalue; | |
| 1027 case Twchar: ivalue = 0xFFFFUL; goto Livalue; | |
| 1028 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue; | |
| 1029 | |
| 1030 case Tcomplex32: | |
| 1031 case Timaginary32: | |
| 1032 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue; | |
| 1033 case Tcomplex64: | |
| 1034 case Timaginary64: | |
| 1035 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue; | |
| 1036 case Tcomplex80: | |
| 1037 case Timaginary80: | |
| 1038 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue; | |
| 1039 } | |
| 1040 } | |
| 1041 else if (ident == Id::min) | |
| 1042 { | |
| 1043 switch (ty) | |
| 1044 { | |
| 1045 case Tint8: ivalue = -128; goto Livalue; | |
| 1046 case Tuns8: ivalue = 0; goto Livalue; | |
| 1047 case Tint16: ivalue = -32768; goto Livalue; | |
| 1048 case Tuns16: ivalue = 0; goto Livalue; | |
| 1049 case Tint32: ivalue = -2147483647L - 1; goto Livalue; | |
| 1050 case Tuns32: ivalue = 0; goto Livalue; | |
| 1051 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue; | |
| 1052 case Tuns64: ivalue = 0; goto Livalue; | |
| 1053 case Tbit: ivalue = 0; goto Livalue; | |
| 1054 case Tbool: ivalue = 0; goto Livalue; | |
| 1055 case Tchar: ivalue = 0; goto Livalue; | |
| 1056 case Twchar: ivalue = 0; goto Livalue; | |
| 1057 case Tdchar: ivalue = 0; goto Livalue; | |
| 1058 | |
| 1059 case Tcomplex32: | |
| 1060 case Timaginary32: | |
| 1061 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue; | |
| 1062 case Tcomplex64: | |
| 1063 case Timaginary64: | |
| 1064 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue; | |
| 1065 case Tcomplex80: | |
| 1066 case Timaginary80: | |
| 1067 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue; | |
| 1068 } | |
| 1069 } | |
| 1070 else if (ident == Id::nan) | |
| 1071 { | |
| 1072 switch (ty) | |
| 1073 { | |
| 1074 case Tcomplex32: | |
| 1075 case Tcomplex64: | |
| 1076 case Tcomplex80: | |
| 1077 case Timaginary32: | |
| 1078 case Timaginary64: | |
| 1079 case Timaginary80: | |
| 1080 case Tfloat32: | |
| 1081 case Tfloat64: | |
| 1082 case Tfloat80: | |
| 1083 { | |
| 1084 #if IN_GCC | |
| 1085 // mode doesn't matter, will be converted in RealExp anyway | |
| 1086 fvalue = real_t::getnan(real_t::LongDouble); | |
| 1087 #elif __GNUC__ | |
| 1088 // gcc nan's have the sign bit set by default, so turn it off | |
| 1089 // Need the volatile to prevent gcc from doing incorrect | |
| 1090 // constant folding. | |
| 1091 volatile d_float80 foo; | |
| 1092 foo = NAN; | |
| 1093 if (signbit(foo)) // signbit sometimes, not always, set | |
| 1094 foo = -foo; // turn off sign bit | |
| 1095 fvalue = foo; | |
| 1096 #elif _MSC_VER | |
| 1097 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF }; | |
| 1098 fvalue = *(double*)nan; | |
| 1099 #else | |
| 1100 fvalue = NAN; | |
| 1101 #endif | |
| 1102 goto Lfvalue; | |
| 1103 } | |
| 1104 } | |
| 1105 } | |
| 1106 else if (ident == Id::infinity) | |
| 1107 { | |
| 1108 switch (ty) | |
| 1109 { | |
| 1110 case Tcomplex32: | |
| 1111 case Tcomplex64: | |
| 1112 case Tcomplex80: | |
| 1113 case Timaginary32: | |
| 1114 case Timaginary64: | |
| 1115 case Timaginary80: | |
| 1116 case Tfloat32: | |
| 1117 case Tfloat64: | |
| 1118 case Tfloat80: | |
| 1119 #if IN_GCC | |
| 1120 fvalue = real_t::getinfinity(); | |
| 1121 #elif __GNUC__ | |
| 1122 fvalue = 1 / zero; | |
| 1123 #elif _MSC_VER | |
| 1124 fvalue = std::numeric_limits<long double>::infinity(); | |
| 1125 #else | |
| 1126 fvalue = INFINITY; | |
| 1127 #endif | |
| 1128 goto Lfvalue; | |
| 1129 } | |
| 1130 } | |
| 1131 else if (ident == Id::dig) | |
| 1132 { | |
| 1133 switch (ty) | |
| 1134 { | |
| 1135 case Tcomplex32: | |
| 1136 case Timaginary32: | |
| 1137 case Tfloat32: ivalue = FLT_DIG; goto Lint; | |
| 1138 case Tcomplex64: | |
| 1139 case Timaginary64: | |
| 1140 case Tfloat64: ivalue = DBL_DIG; goto Lint; | |
| 1141 case Tcomplex80: | |
| 1142 case Timaginary80: | |
| 1143 case Tfloat80: ivalue = LDBL_DIG; goto Lint; | |
| 1144 } | |
| 1145 } | |
| 1146 else if (ident == Id::epsilon) | |
| 1147 { | |
| 1148 switch (ty) | |
| 1149 { | |
| 1150 case Tcomplex32: | |
| 1151 case Timaginary32: | |
| 1152 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue; | |
| 1153 case Tcomplex64: | |
| 1154 case Timaginary64: | |
| 1155 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue; | |
| 1156 case Tcomplex80: | |
| 1157 case Timaginary80: | |
| 1158 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue; | |
| 1159 } | |
| 1160 } | |
| 1161 else if (ident == Id::mant_dig) | |
| 1162 { | |
| 1163 switch (ty) | |
| 1164 { | |
| 1165 case Tcomplex32: | |
| 1166 case Timaginary32: | |
| 1167 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint; | |
| 1168 case Tcomplex64: | |
| 1169 case Timaginary64: | |
| 1170 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint; | |
| 1171 case Tcomplex80: | |
| 1172 case Timaginary80: | |
| 1173 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint; | |
| 1174 } | |
| 1175 } | |
| 1176 else if (ident == Id::max_10_exp) | |
| 1177 { | |
| 1178 switch (ty) | |
| 1179 { | |
| 1180 case Tcomplex32: | |
| 1181 case Timaginary32: | |
| 1182 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint; | |
| 1183 case Tcomplex64: | |
| 1184 case Timaginary64: | |
| 1185 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint; | |
| 1186 case Tcomplex80: | |
| 1187 case Timaginary80: | |
| 1188 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint; | |
| 1189 } | |
| 1190 } | |
| 1191 else if (ident == Id::max_exp) | |
| 1192 { | |
| 1193 switch (ty) | |
| 1194 { | |
| 1195 case Tcomplex32: | |
| 1196 case Timaginary32: | |
| 1197 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint; | |
| 1198 case Tcomplex64: | |
| 1199 case Timaginary64: | |
| 1200 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint; | |
| 1201 case Tcomplex80: | |
| 1202 case Timaginary80: | |
| 1203 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint; | |
| 1204 } | |
| 1205 } | |
| 1206 else if (ident == Id::min_10_exp) | |
| 1207 { | |
| 1208 switch (ty) | |
| 1209 { | |
| 1210 case Tcomplex32: | |
| 1211 case Timaginary32: | |
| 1212 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint; | |
| 1213 case Tcomplex64: | |
| 1214 case Timaginary64: | |
| 1215 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint; | |
| 1216 case Tcomplex80: | |
| 1217 case Timaginary80: | |
| 1218 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint; | |
| 1219 } | |
| 1220 } | |
| 1221 else if (ident == Id::min_exp) | |
| 1222 { | |
| 1223 switch (ty) | |
| 1224 { | |
| 1225 case Tcomplex32: | |
| 1226 case Timaginary32: | |
| 1227 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint; | |
| 1228 case Tcomplex64: | |
| 1229 case Timaginary64: | |
| 1230 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint; | |
| 1231 case Tcomplex80: | |
| 1232 case Timaginary80: | |
| 1233 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint; | |
| 1234 } | |
| 1235 } | |
| 1236 | |
| 1237 Ldefault: | |
| 1238 return Type::getProperty(loc, ident); | |
| 1239 | |
| 1240 Livalue: | |
| 1241 e = new IntegerExp(loc, ivalue, this); | |
| 1242 return e; | |
| 1243 | |
| 1244 Lfvalue: | |
| 1245 if (isreal() || isimaginary()) | |
| 1246 e = new RealExp(loc, fvalue, this); | |
| 1247 else | |
| 1248 { | |
| 1249 complex_t cvalue; | |
| 1250 | |
| 1251 #if __DMC__ | |
| 1252 //((real_t *)&cvalue)[0] = fvalue; | |
| 1253 //((real_t *)&cvalue)[1] = fvalue; | |
| 1254 cvalue = fvalue + fvalue * I; | |
| 1255 #else | |
| 1256 cvalue.re = fvalue; | |
| 1257 cvalue.im = fvalue; | |
| 1258 #endif | |
| 1259 //for (int i = 0; i < 20; i++) | |
| 1260 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 1261 //printf("\n"); | |
| 1262 e = new ComplexExp(loc, cvalue, this); | |
| 1263 } | |
| 1264 return e; | |
| 1265 | |
| 1266 Lint: | |
| 1267 e = new IntegerExp(loc, ivalue, Type::tint32); | |
| 1268 return e; | |
| 1269 } | |
| 1270 | |
| 1271 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1272 { | |
| 1273 #if LOGDOTEXP | |
| 1274 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1275 #endif | |
| 1276 Type *t; | |
| 1277 | |
| 1278 if (ident == Id::re) | |
| 1279 { | |
| 1280 switch (ty) | |
| 1281 { | |
| 1282 case Tcomplex32: t = tfloat32; goto L1; | |
| 1283 case Tcomplex64: t = tfloat64; goto L1; | |
| 1284 case Tcomplex80: t = tfloat80; goto L1; | |
| 1285 L1: | |
| 1286 e = e->castTo(sc, t); | |
| 1287 break; | |
| 1288 | |
| 1289 case Tfloat32: | |
| 1290 case Tfloat64: | |
| 1291 case Tfloat80: | |
| 1292 break; | |
| 1293 | |
| 1294 case Timaginary32: t = tfloat32; goto L2; | |
| 1295 case Timaginary64: t = tfloat64; goto L2; | |
| 1296 case Timaginary80: t = tfloat80; goto L2; | |
| 1297 L2: | |
| 1298 e = new RealExp(0, 0.0, t); | |
| 1299 break; | |
| 1300 | |
| 1301 default: | |
| 1302 return Type::getProperty(e->loc, ident); | |
| 1303 } | |
| 1304 } | |
| 1305 else if (ident == Id::im) | |
| 1306 { Type *t2; | |
| 1307 | |
| 1308 switch (ty) | |
| 1309 { | |
| 1310 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 1311 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 1312 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 1313 L3: | |
| 1314 e = e->castTo(sc, t); | |
| 1315 e->type = t2; | |
| 1316 break; | |
| 1317 | |
| 1318 case Timaginary32: t = tfloat32; goto L4; | |
| 1319 case Timaginary64: t = tfloat64; goto L4; | |
| 1320 case Timaginary80: t = tfloat80; goto L4; | |
| 1321 L4: | |
| 1322 e->type = t; | |
| 1323 break; | |
| 1324 | |
| 1325 case Tfloat32: | |
| 1326 case Tfloat64: | |
| 1327 case Tfloat80: | |
| 1328 e = new RealExp(0, 0.0, this); | |
| 1329 break; | |
| 1330 | |
| 1331 default: | |
| 1332 return Type::getProperty(e->loc, ident); | |
| 1333 } | |
| 1334 } | |
| 1335 else | |
| 1336 { | |
| 1337 return Type::dotExp(sc, e, ident); | |
| 1338 } | |
| 1339 return e; | |
| 1340 } | |
| 1341 | |
| 1342 Expression *TypeBasic::defaultInit(Loc loc) | |
| 1343 { integer_t value = 0; | |
| 1344 | |
| 1345 #if LOGDEFAULTINIT | |
| 1346 printf("TypeBasic::defaultInit() '%s'\n", toChars()); | |
| 1347 #endif | |
| 1348 switch (ty) | |
| 1349 { | |
| 1350 case Tchar: | |
| 1351 value = 0xFF; | |
| 1352 break; | |
| 1353 | |
| 1354 case Twchar: | |
| 1355 case Tdchar: | |
| 1356 value = 0xFFFF; | |
| 1357 break; | |
| 1358 | |
| 1359 case Timaginary32: | |
| 1360 case Timaginary64: | |
| 1361 case Timaginary80: | |
| 1362 case Tfloat32: | |
| 1363 case Tfloat64: | |
| 1364 case Tfloat80: | |
| 1365 case Tcomplex32: | |
| 1366 case Tcomplex64: | |
| 1367 case Tcomplex80: | |
| 1368 return getProperty(loc, Id::nan); | |
| 1369 } | |
| 1370 return new IntegerExp(loc, value, this); | |
| 1371 } | |
| 1372 | |
| 1373 int TypeBasic::isZeroInit() | |
| 1374 { | |
| 1375 switch (ty) | |
| 1376 { | |
| 1377 case Tchar: | |
| 1378 case Twchar: | |
| 1379 case Tdchar: | |
| 1380 case Timaginary32: | |
| 1381 case Timaginary64: | |
| 1382 case Timaginary80: | |
| 1383 case Tfloat32: | |
| 1384 case Tfloat64: | |
| 1385 case Tfloat80: | |
| 1386 case Tcomplex32: | |
| 1387 case Tcomplex64: | |
| 1388 case Tcomplex80: | |
| 1389 return 0; // no | |
| 1390 } | |
| 1391 return 1; // yes | |
| 1392 } | |
| 1393 | |
| 1394 int TypeBasic::isbit() | |
| 1395 { | |
| 1396 return (ty == Tbit); | |
| 1397 } | |
| 1398 | |
| 1399 int TypeBasic::isintegral() | |
| 1400 { | |
| 1401 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags); | |
| 1402 return flags & TFLAGSintegral; | |
| 1403 } | |
| 1404 | |
| 1405 int TypeBasic::isfloating() | |
| 1406 { | |
| 1407 return flags & TFLAGSfloating; | |
| 1408 } | |
| 1409 | |
| 1410 int TypeBasic::isreal() | |
| 1411 { | |
| 1412 return flags & TFLAGSreal; | |
| 1413 } | |
| 1414 | |
| 1415 int TypeBasic::isimaginary() | |
| 1416 { | |
| 1417 return flags & TFLAGSimaginary; | |
| 1418 } | |
| 1419 | |
| 1420 int TypeBasic::iscomplex() | |
| 1421 { | |
| 1422 return flags & TFLAGScomplex; | |
| 1423 } | |
| 1424 | |
| 1425 int TypeBasic::isunsigned() | |
| 1426 { | |
| 1427 return flags & TFLAGSunsigned; | |
| 1428 } | |
| 1429 | |
| 1430 int TypeBasic::isscalar() | |
| 1431 { | |
| 1432 return flags & (TFLAGSintegral | TFLAGSfloating); | |
| 1433 } | |
| 1434 | |
| 1435 MATCH TypeBasic::implicitConvTo(Type *to) | |
| 1436 { | |
| 1437 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars()); | |
| 1438 if (this == to) | |
| 1439 return MATCHexact; | |
| 1440 | |
| 1441 if (ty == Tvoid || to->ty == Tvoid) | |
| 1442 return MATCHnomatch; | |
| 1443 if (1 || global.params.Dversion == 1) | |
| 1444 { | |
| 1445 if (to->ty == Tbool) | |
| 1446 return MATCHnomatch; | |
| 1447 } | |
| 1448 else | |
| 1449 { | |
| 1450 if (ty == Tbool || to->ty == Tbool) | |
| 1451 return MATCHnomatch; | |
| 1452 } | |
| 1453 if (!to->isTypeBasic()) | |
| 1454 return MATCHnomatch; | |
| 1455 | |
| 1456 TypeBasic *tob = (TypeBasic *)to; | |
| 1457 if (flags & TFLAGSintegral) | |
| 1458 { | |
| 1459 // Disallow implicit conversion of integers to imaginary or complex | |
| 1460 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex)) | |
| 1461 return MATCHnomatch; | |
| 1462 | |
| 1463 // If converting to integral | |
| 1464 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral) | |
| 1465 { d_uns64 sz = size(0); | |
| 1466 d_uns64 tosz = tob->size(0); | |
| 1467 | |
| 1468 /* Can't convert to smaller size or, if same size, change sign | |
| 1469 */ | |
| 1470 if (sz > tosz) | |
| 1471 return MATCHnomatch; | |
| 1472 | |
| 1473 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned) | |
| 1474 return MATCHnomatch;*/ | |
| 1475 } | |
| 1476 } | |
| 1477 else if (flags & TFLAGSfloating) | |
| 1478 { | |
| 1479 // Disallow implicit conversion of floating point to integer | |
| 1480 if (tob->flags & TFLAGSintegral) | |
| 1481 return MATCHnomatch; | |
| 1482 | |
| 1483 assert(tob->flags & TFLAGSfloating); | |
| 1484 | |
| 1485 // Disallow implicit conversion from complex to non-complex | |
| 1486 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex)) | |
| 1487 return MATCHnomatch; | |
| 1488 | |
| 1489 // Disallow implicit conversion of real or imaginary to complex | |
| 1490 if (flags & (TFLAGSreal | TFLAGSimaginary) && | |
| 1491 tob->flags & TFLAGScomplex) | |
| 1492 return MATCHnomatch; | |
| 1493 | |
| 1494 // Disallow implicit conversion to-from real and imaginary | |
| 1495 if ((flags & (TFLAGSreal | TFLAGSimaginary)) != | |
| 1496 (tob->flags & (TFLAGSreal | TFLAGSimaginary))) | |
| 1497 return MATCHnomatch; | |
| 1498 } | |
| 1499 return MATCHconvert; | |
| 1500 } | |
| 1501 | |
| 1502 TypeBasic *TypeBasic::isTypeBasic() | |
| 1503 { | |
| 1504 return (TypeBasic *)this; | |
| 1505 } | |
| 1506 | |
| 1507 /***************************** TypeArray *****************************/ | |
| 1508 | |
| 1509 TypeArray::TypeArray(TY ty, Type *next) | |
| 1510 : Type(ty, next) | |
| 1511 { | |
| 1512 } | |
| 1513 | |
| 1514 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1515 { | |
| 1516 Type *n = this->next->toBasetype(); // uncover any typedef's | |
| 1517 | |
| 1518 #if LOGDOTEXP | |
| 1519 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1520 #endif | |
| 1521 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar)) | |
| 1522 { | |
| 1523 Expression *ec; | |
| 1524 FuncDeclaration *fd; | |
| 1525 Expressions *arguments; | |
| 1526 char *nm; | |
| 1527 static char *name[2] = { "_adReverseChar", "_adReverseWchar" }; | |
| 1528 | |
| 1529 nm = name[n->ty == Twchar]; | |
| 1530 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); | |
| 1531 fd->runTimeHack = true; | |
| 1532 ec = new VarExp(0, fd); | |
| 1533 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1534 arguments = new Expressions(); | |
| 1535 arguments->push(e); | |
| 1536 e = new CallExp(e->loc, ec, arguments); | |
| 1537 e->type = next->arrayOf(); | |
| 1538 } | |
| 1539 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar)) | |
| 1540 { | |
| 1541 Expression *ec; | |
| 1542 FuncDeclaration *fd; | |
| 1543 Expressions *arguments; | |
| 1544 char *nm; | |
| 1545 static char *name[2] = { "_adSortChar", "_adSortWchar" }; | |
| 1546 | |
| 1547 nm = name[n->ty == Twchar]; | |
| 1548 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), nm); | |
| 1549 fd->runTimeHack = true; | |
| 1550 ec = new VarExp(0, fd); | |
| 1551 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1552 arguments = new Expressions(); | |
| 1553 arguments->push(e); | |
| 1554 e = new CallExp(e->loc, ec, arguments); | |
| 1555 e->type = next->arrayOf(); | |
| 1556 } | |
| 1557 else if (ident == Id::reverse || ident == Id::dup) | |
| 1558 { | |
| 1559 Expression *ec; | |
| 1560 FuncDeclaration *fd; | |
| 1561 Expressions *arguments; | |
| 1562 int size = next->size(e->loc); | |
| 1563 int dup; | |
| 1564 | |
| 1565 assert(size); | |
| 1566 dup = (ident == Id::dup); | |
| 1567 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), dup ? Id::adDup : Id::adReverse); | |
| 1568 fd->runTimeHack = true; | |
| 1569 ec = new VarExp(0, fd); | |
| 1570 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1571 arguments = new Expressions(); | |
| 1572 if (dup) | |
| 1573 arguments->push(getTypeInfo(sc)); | |
| 1574 arguments->push(e); | |
| 1575 if (!dup) | |
| 1576 arguments->push(new IntegerExp(0, size, Type::tint32)); | |
| 1577 e = new CallExp(e->loc, ec, arguments); | |
| 1578 e->type = next->arrayOf(); | |
| 1579 } | |
| 1580 else if (ident == Id::sort) | |
| 1581 { | |
| 1582 Expression *ec; | |
| 1583 FuncDeclaration *fd; | |
| 1584 Expressions *arguments; | |
| 1585 | |
| 1586 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), | |
| 1587 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort")); | |
| 1588 fd->runTimeHack = true; | |
| 1589 ec = new VarExp(0, fd); | |
| 1590 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array | |
| 1591 arguments = new Expressions(); | |
| 1592 arguments->push(e); | |
| 1593 if (next->ty != Tbit) | |
| 1594 arguments->push(n->ty == Tsarray | |
| 1595 ? n->getTypeInfo(sc) // don't convert to dynamic array | |
| 1596 : n->getInternalTypeInfo(sc)); | |
| 1597 e = new CallExp(e->loc, ec, arguments); | |
| 1598 e->type = next->arrayOf(); | |
| 1599 } | |
| 1600 else | |
| 1601 { | |
| 1602 e = Type::dotExp(sc, e, ident); | |
| 1603 } | |
| 1604 return e; | |
| 1605 } | |
| 1606 | |
| 1607 | |
| 1608 /***************************** TypeSArray *****************************/ | |
| 1609 | |
| 1610 TypeSArray::TypeSArray(Type *t, Expression *dim) | |
| 1611 : TypeArray(Tsarray, t) | |
| 1612 { | |
| 1613 //printf("TypeSArray(%s)\n", dim->toChars()); | |
| 1614 this->dim = dim; | |
| 1615 } | |
| 1616 | |
| 1617 Type *TypeSArray::syntaxCopy() | |
| 1618 { | |
| 1619 Type *t = next->syntaxCopy(); | |
| 1620 Expression *e = dim->syntaxCopy(); | |
| 1621 t = new TypeSArray(t, e); | |
| 1622 return t; | |
| 1623 } | |
| 1624 | |
| 1625 d_uns64 TypeSArray::size(Loc loc) | |
| 1626 { integer_t sz; | |
| 1627 | |
| 1628 if (!dim) | |
| 1629 return Type::size(loc); | |
| 1630 sz = dim->toInteger(); | |
| 1631 if (next->toBasetype()->ty == Tbit) // if array of bits | |
| 1632 { | |
| 1633 if (sz + 31 < sz) | |
| 1634 goto Loverflow; | |
| 1635 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords | |
| 1636 } | |
| 1637 else | |
| 1638 { integer_t n, n2; | |
| 1639 | |
| 1640 n = next->size(); | |
| 1641 n2 = n * sz; | |
| 1642 if (n && (n2 / n) != sz) | |
| 1643 goto Loverflow; | |
| 1644 sz = n2; | |
| 1645 } | |
| 1646 return sz; | |
| 1647 | |
| 1648 Loverflow: | |
| 1649 error(loc, "index %jd overflow for static array", sz); | |
| 1650 return 1; | |
| 1651 } | |
| 1652 | |
| 1653 unsigned TypeSArray::alignsize() | |
| 1654 { | |
| 1655 return next->alignsize(); | |
| 1656 } | |
| 1657 | |
| 1658 /************************** | |
| 1659 * This evaluates exp while setting length to be the number | |
| 1660 * of elements in the tuple t. | |
| 1661 */ | |
| 1662 Expression *semanticLength(Scope *sc, Type *t, Expression *exp) | |
| 1663 { | |
| 1664 if (t->ty == Ttuple) | |
| 1665 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t); | |
| 1666 sym->parent = sc->scopesym; | |
| 1667 sc = sc->push(sym); | |
| 1668 | |
| 1669 exp = exp->semantic(sc); | |
| 1670 | |
| 1671 sc->pop(); | |
| 1672 } | |
| 1673 else | |
| 1674 exp = exp->semantic(sc); | |
| 1675 return exp; | |
| 1676 } | |
| 1677 | |
| 1678 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp) | |
| 1679 { | |
| 1680 ScopeDsymbol *sym = new ArrayScopeSymbol(s); | |
| 1681 sym->parent = sc->scopesym; | |
| 1682 sc = sc->push(sym); | |
| 1683 | |
| 1684 exp = exp->semantic(sc); | |
| 1685 | |
| 1686 sc->pop(); | |
| 1687 return exp; | |
| 1688 } | |
| 1689 | |
| 1690 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 1691 { | |
| 1692 //printf("TypeSArray::resolve() %s\n", toChars()); | |
| 1693 next->resolve(loc, sc, pe, pt, ps); | |
| 1694 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt); | |
| 1695 if (*pe) | |
| 1696 { // It's really an index expression | |
| 1697 Expression *e; | |
| 1698 e = new IndexExp(loc, *pe, dim); | |
| 1699 *pe = e; | |
| 1700 } | |
| 1701 else if (*ps) | |
| 1702 { Dsymbol *s = *ps; | |
| 1703 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 1704 if (td) | |
| 1705 { | |
| 1706 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 1707 sym->parent = sc->scopesym; | |
| 1708 sc = sc->push(sym); | |
| 1709 | |
| 1710 dim = dim->semantic(sc); | |
| 1711 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1712 uinteger_t d = dim->toUInteger(); | |
| 1713 | |
| 1714 sc = sc->pop(); | |
| 1715 | |
| 1716 if (d >= td->objects->dim) | |
| 1717 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim); | |
| 1718 goto Ldefault; | |
| 1719 } | |
| 1720 Object *o = (Object *)td->objects->data[(size_t)d]; | |
| 1721 if (o->dyncast() == DYNCAST_DSYMBOL) | |
| 1722 { | |
| 1723 *ps = (Dsymbol *)o; | |
| 1724 return; | |
| 1725 } | |
| 1726 if (o->dyncast() == DYNCAST_EXPRESSION) | |
| 1727 { | |
| 1728 *ps = NULL; | |
| 1729 *pe = (Expression *)o; | |
| 1730 return; | |
| 1731 } | |
| 1732 | |
| 1733 /* Create a new TupleDeclaration which | |
| 1734 * is a slice [d..d+1] out of the old one. | |
| 1735 * Do it this way because TemplateInstance::semanticTiargs() | |
| 1736 * can handle unresolved Objects this way. | |
| 1737 */ | |
| 1738 Objects *objects = new Objects; | |
| 1739 objects->setDim(1); | |
| 1740 objects->data[0] = o; | |
| 1741 | |
| 1742 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 1743 *ps = tds; | |
| 1744 } | |
| 1745 else | |
| 1746 goto Ldefault; | |
| 1747 } | |
| 1748 else | |
| 1749 { | |
| 1750 Ldefault: | |
| 1751 Type::resolve(loc, sc, pe, pt, ps); | |
| 1752 } | |
| 1753 } | |
| 1754 | |
| 1755 Type *TypeSArray::semantic(Loc loc, Scope *sc) | |
| 1756 { | |
| 1757 //printf("TypeSArray::semantic() %s\n", toChars()); | |
| 1758 | |
| 1759 Type *t; | |
| 1760 Expression *e; | |
| 1761 Dsymbol *s; | |
| 1762 next->resolve(loc, sc, &e, &t, &s); | |
| 1763 if (dim && s && s->isTupleDeclaration()) | |
| 1764 { TupleDeclaration *sd = s->isTupleDeclaration(); | |
| 1765 | |
| 1766 dim = semanticLength(sc, sd, dim); | |
| 1767 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1768 uinteger_t d = dim->toUInteger(); | |
| 1769 | |
| 1770 if (d >= sd->objects->dim) | |
| 1771 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim); | |
| 1772 return Type::terror; | |
| 1773 } | |
| 1774 Object *o = (Object *)sd->objects->data[(size_t)d]; | |
| 1775 if (o->dyncast() != DYNCAST_TYPE) | |
| 1776 { error(loc, "%s is not a type", toChars()); | |
| 1777 return Type::terror; | |
| 1778 } | |
| 1779 t = (Type *)o; | |
| 1780 return t; | |
| 1781 } | |
| 1782 | |
| 1783 next = next->semantic(loc,sc); | |
| 1784 Type *tbn = next->toBasetype(); | |
| 1785 | |
| 1786 if (dim) | |
| 1787 { integer_t n, n2; | |
| 1788 | |
| 1789 dim = semanticLength(sc, tbn, dim); | |
| 1790 | |
| 1791 dim = dim->optimize(WANTvalue | WANTinterpret); | |
| 1792 if (sc->parameterSpecialization && dim->op == TOKvar && | |
| 1793 ((VarExp *)dim)->var->storage_class & STCtemplateparameter) | |
| 1794 { | |
| 1795 /* It could be a template parameter N which has no value yet: | |
| 1796 * template Foo(T : T[N], size_t N); | |
| 1797 */ | |
| 1798 return this; | |
| 1799 } | |
| 1800 integer_t d1 = dim->toInteger(); | |
| 1801 dim = dim->castTo(sc, tsize_t); | |
| 1802 dim = dim->optimize(WANTvalue); | |
| 1803 integer_t d2 = dim->toInteger(); | |
| 1804 | |
| 1805 if (d1 != d2) | |
| 1806 goto Loverflow; | |
| 1807 | |
| 1808 if (tbn->isintegral() || | |
| 1809 tbn->isfloating() || | |
| 1810 tbn->ty == Tpointer || | |
| 1811 tbn->ty == Tarray || | |
| 1812 tbn->ty == Tsarray || | |
| 1813 tbn->ty == Taarray || | |
| 1814 tbn->ty == Tclass) | |
| 1815 { | |
| 1816 /* Only do this for types that don't need to have semantic() | |
| 1817 * run on them for the size, since they may be forward referenced. | |
| 1818 */ | |
| 1819 n = tbn->size(loc); | |
| 1820 n2 = n * d2; | |
| 1821 if ((int)n2 < 0) | |
| 1822 goto Loverflow; | |
| 1823 if (n2 >= 0x1000000) // put a 'reasonable' limit on it | |
| 1824 goto Loverflow; | |
| 1825 if (n && n2 / n != d2) | |
| 1826 { | |
| 1827 Loverflow: | |
| 1828 error(loc, "index %jd overflow for static array", d1); | |
| 1829 dim = new IntegerExp(0, 1, tsize_t); | |
| 1830 } | |
| 1831 } | |
| 1832 } | |
| 1833 switch (tbn->ty) | |
| 1834 { | |
| 1835 case Ttuple: | |
| 1836 { // Index the tuple to get the type | |
| 1837 assert(dim); | |
| 1838 TypeTuple *tt = (TypeTuple *)tbn; | |
| 1839 uinteger_t d = dim->toUInteger(); | |
| 1840 | |
| 1841 if (d >= tt->arguments->dim) | |
| 1842 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim); | |
| 1843 return Type::terror; | |
| 1844 } | |
| 1845 Argument *arg = (Argument *)tt->arguments->data[(size_t)d]; | |
| 1846 return arg->type; | |
| 1847 } | |
| 1848 case Tfunction: | |
| 1849 case Tnone: | |
| 1850 error(loc, "can't have array of %s", tbn->toChars()); | |
| 1851 tbn = next = tint32; | |
| 1852 break; | |
| 1853 } | |
| 1854 if (tbn->isauto()) | |
| 1855 error(loc, "cannot have array of auto %s", tbn->toChars()); | |
| 1856 return merge(); | |
| 1857 } | |
| 1858 | |
| 1859 void TypeSArray::toDecoBuffer(OutBuffer *buf) | |
| 1860 { | |
| 1861 buf->writeByte(mangleChar[ty]); | |
| 1862 if (dim) | |
| 1863 buf->printf("%ju", dim->toInteger()); | |
| 1864 if (next) | |
| 1865 next->toDecoBuffer(buf); | |
| 1866 } | |
| 1867 | |
| 1868 void TypeSArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 1869 { | |
| 1870 if (mod != this->mod) | |
| 1871 { toCBuffer3(buf, hgs, mod); | |
| 1872 return; | |
| 1873 } | |
| 1874 next->toCBuffer2(buf, hgs, this->mod); | |
| 1875 buf->printf("[%s]", dim->toChars()); | |
| 1876 } | |
| 1877 | |
| 1878 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 1879 { | |
| 1880 #if LOGDOTEXP | |
| 1881 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 1882 #endif | |
| 1883 if (ident == Id::length) | |
| 1884 { | |
| 1885 e = dim; | |
| 1886 } | |
| 1887 else if (ident == Id::ptr) | |
| 1888 { | |
| 1889 e = e->castTo(sc, next->pointerTo()); | |
| 1890 } | |
| 1891 else | |
| 1892 { | |
| 1893 e = TypeArray::dotExp(sc, e, ident); | |
| 1894 } | |
| 1895 return e; | |
| 1896 } | |
| 1897 | |
| 1898 int TypeSArray::isString() | |
| 1899 { | |
| 1900 TY nty = next->toBasetype()->ty; | |
| 1901 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 1902 } | |
| 1903 | |
| 1904 unsigned TypeSArray::memalign(unsigned salign) | |
| 1905 { | |
| 1906 return next->memalign(salign); | |
| 1907 } | |
| 1908 | |
| 1909 MATCH TypeSArray::implicitConvTo(Type *to) | |
| 1910 { | |
| 1911 //printf("TypeSArray::implicitConvTo()\n"); | |
| 1912 | |
| 1913 // Allow implicit conversion of static array to pointer or dynamic array | |
| 1914 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) && | |
| 1915 (to->next->ty == Tvoid || next->equals(to->next) | |
| 1916 /*|| to->next->isBaseOf(next)*/)) | |
| 1917 { | |
| 1918 return MATCHconvert; | |
| 1919 } | |
| 1920 if (to->ty == Tarray) | |
| 1921 { int offset = 0; | |
| 1922 | |
| 1923 if (next->equals(to->next) || | |
| 1924 (to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 1925 to->next->ty == Tvoid) | |
| 1926 return MATCHconvert; | |
| 1927 } | |
| 1928 #if 0 | |
| 1929 if (to->ty == Tsarray) | |
| 1930 { | |
| 1931 TypeSArray *tsa = (TypeSArray *)to; | |
| 1932 | |
| 1933 if (next->equals(tsa->next) && dim->equals(tsa->dim)) | |
| 1934 { | |
| 1935 return MATCHconvert; | |
| 1936 } | |
| 1937 } | |
| 1938 #endif | |
| 1939 return Type::implicitConvTo(to); | |
| 1940 } | |
| 1941 | |
| 1942 Expression *TypeSArray::defaultInit(Loc loc) | |
| 1943 { | |
| 1944 #if LOGDEFAULTINIT | |
| 1945 printf("TypeSArray::defaultInit() '%s'\n", toChars()); | |
| 1946 #endif | |
| 1947 return next->defaultInit(loc); | |
| 1948 } | |
| 1949 | |
| 1950 int TypeSArray::isZeroInit() | |
| 1951 { | |
| 1952 return next->isZeroInit(); | |
| 1953 } | |
| 1954 | |
| 1955 | |
| 1956 Expression *TypeSArray::toExpression() | |
| 1957 { | |
| 1958 Expression *e = next->toExpression(); | |
| 1959 if (e) | |
| 1960 { Expressions *arguments = new Expressions(); | |
| 1961 arguments->push(dim); | |
| 1962 e = new ArrayExp(dim->loc, e, arguments); | |
| 1963 } | |
| 1964 return e; | |
| 1965 } | |
| 1966 | |
| 1967 int TypeSArray::hasPointers() | |
| 1968 { | |
| 1969 return next->hasPointers(); | |
| 1970 } | |
| 1971 | |
| 1972 /***************************** TypeDArray *****************************/ | |
| 1973 | |
| 1974 TypeDArray::TypeDArray(Type *t) | |
| 1975 : TypeArray(Tarray, t) | |
| 1976 { | |
| 1977 //printf("TypeDArray(t = %p)\n", t); | |
| 1978 } | |
| 1979 | |
| 1980 Type *TypeDArray::syntaxCopy() | |
| 1981 { | |
| 1982 Type *t = next->syntaxCopy(); | |
| 1983 if (t == next) | |
| 1984 t = this; | |
| 1985 else | |
| 1986 t = new TypeDArray(t); | |
| 1987 return t; | |
| 1988 } | |
| 1989 | |
| 1990 d_uns64 TypeDArray::size(Loc loc) | |
| 1991 { | |
| 1992 //printf("TypeDArray::size()\n"); | |
| 1993 return PTRSIZE * 2; | |
| 1994 } | |
| 1995 | |
| 1996 unsigned TypeDArray::alignsize() | |
| 1997 { | |
| 1998 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 1999 // boundary | |
| 2000 return PTRSIZE; | |
| 2001 } | |
| 2002 | |
| 2003 Type *TypeDArray::semantic(Loc loc, Scope *sc) | |
| 2004 { Type *tn = next; | |
| 2005 | |
| 2006 tn = next->semantic(loc,sc); | |
| 2007 Type *tbn = tn->toBasetype(); | |
| 2008 switch (tbn->ty) | |
| 2009 { | |
| 2010 case Tfunction: | |
| 2011 case Tnone: | |
| 2012 case Ttuple: | |
| 2013 error(loc, "can't have array of %s", tbn->toChars()); | |
| 2014 tn = next = tint32; | |
| 2015 break; | |
| 2016 } | |
| 2017 if (tn->isauto()) | |
| 2018 error(loc, "cannot have array of auto %s", tn->toChars()); | |
| 2019 if (next != tn) | |
| 2020 //deco = NULL; // redo | |
| 2021 return tn->arrayOf(); | |
| 2022 return merge(); | |
| 2023 } | |
| 2024 | |
| 2025 void TypeDArray::toDecoBuffer(OutBuffer *buf) | |
| 2026 { | |
| 2027 buf->writeByte(mangleChar[ty]); | |
| 2028 if (next) | |
| 2029 next->toDecoBuffer(buf); | |
| 2030 } | |
| 2031 | |
| 2032 void TypeDArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2033 { | |
| 2034 if (mod != this->mod) | |
| 2035 { toCBuffer3(buf, hgs, mod); | |
| 2036 return; | |
| 2037 } | |
| 2038 next->toCBuffer2(buf, hgs, this->mod); | |
| 2039 buf->writestring("[]"); | |
| 2040 } | |
| 2041 | |
| 2042 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2043 { | |
| 2044 #if LOGDOTEXP | |
| 2045 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2046 #endif | |
| 2047 if (ident == Id::length) | |
| 2048 { | |
| 2049 if (e->op == TOKstring) | |
| 2050 { StringExp *se = (StringExp *)e; | |
| 2051 | |
| 2052 return new IntegerExp(se->loc, se->len, Type::tindex); | |
| 2053 } | |
| 2054 e = new ArrayLengthExp(e->loc, e); | |
| 2055 e->type = Type::tsize_t; | |
| 2056 return e; | |
| 2057 } | |
| 2058 else if (ident == Id::ptr) | |
| 2059 { | |
| 2060 e = e->castTo(sc, next->pointerTo()); | |
| 2061 return e; | |
| 2062 } | |
| 2063 else | |
| 2064 { | |
| 2065 e = TypeArray::dotExp(sc, e, ident); | |
| 2066 } | |
| 2067 return e; | |
| 2068 } | |
| 2069 | |
| 2070 int TypeDArray::isString() | |
| 2071 { | |
| 2072 TY nty = next->toBasetype()->ty; | |
| 2073 return nty == Tchar || nty == Twchar || nty == Tdchar; | |
| 2074 } | |
| 2075 | |
| 2076 MATCH TypeDArray::implicitConvTo(Type *to) | |
| 2077 { | |
| 2078 //printf("TypeDArray::implicitConvTo()\n"); | |
| 2079 | |
| 2080 // Allow implicit conversion of array to pointer | |
| 2081 if (IMPLICIT_ARRAY_TO_PTR && | |
| 2082 to->ty == Tpointer && | |
| 2083 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/)) | |
| 2084 { | |
| 2085 return MATCHconvert; | |
| 2086 } | |
| 2087 | |
| 2088 if (to->ty == Tarray) | |
| 2089 { int offset = 0; | |
| 2090 | |
| 2091 if ((to->next->isBaseOf(next, &offset) && offset == 0) || | |
| 2092 to->next->ty == Tvoid) | |
| 2093 return MATCHconvert; | |
| 2094 } | |
| 2095 return Type::implicitConvTo(to); | |
| 2096 } | |
| 2097 | |
| 2098 Expression *TypeDArray::defaultInit(Loc loc) | |
| 2099 { | |
| 2100 #if LOGDEFAULTINIT | |
| 2101 printf("TypeDArray::defaultInit() '%s'\n", toChars()); | |
| 2102 #endif | |
| 2103 Expression *e; | |
| 2104 e = new NullExp(loc); | |
| 2105 e->type = this; | |
| 2106 return e; | |
| 2107 } | |
| 2108 | |
| 2109 int TypeDArray::isZeroInit() | |
| 2110 { | |
| 2111 return 1; | |
| 2112 } | |
| 2113 | |
| 2114 int TypeDArray::checkBoolean() | |
| 2115 { | |
| 2116 return TRUE; | |
| 2117 } | |
| 2118 | |
| 2119 int TypeDArray::hasPointers() | |
| 2120 { | |
| 2121 return TRUE; | |
| 2122 } | |
| 2123 | |
| 2124 /***************************** TypeAArray *****************************/ | |
| 2125 | |
| 2126 TypeAArray::TypeAArray(Type *t, Type *index) | |
| 2127 : TypeArray(Taarray, t) | |
| 2128 { | |
| 2129 this->index = index; | |
| 2130 this->key = NULL; | |
| 2131 } | |
| 2132 | |
| 2133 Type *TypeAArray::syntaxCopy() | |
| 2134 { | |
| 2135 Type *t = next->syntaxCopy(); | |
| 2136 Type *ti = index->syntaxCopy(); | |
| 2137 if (t == next && ti == index) | |
| 2138 t = this; | |
| 2139 else | |
| 2140 t = new TypeAArray(t, ti); | |
| 2141 return t; | |
| 2142 } | |
| 2143 | |
| 2144 d_uns64 TypeAArray::size(Loc loc) | |
| 2145 { | |
| 2146 return PTRSIZE /* * 2*/; | |
| 2147 } | |
| 2148 | |
| 2149 | |
| 2150 Type *TypeAArray::semantic(Loc loc, Scope *sc) | |
| 2151 { | |
| 2152 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty); | |
| 2153 | |
| 2154 // Deal with the case where we thought the index was a type, but | |
| 2155 // in reality it was an expression. | |
| 2156 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray) | |
| 2157 { | |
| 2158 Expression *e; | |
| 2159 Type *t; | |
| 2160 Dsymbol *s; | |
| 2161 | |
| 2162 index->resolve(loc, sc, &e, &t, &s); | |
| 2163 if (e) | |
| 2164 { // It was an expression - | |
| 2165 // Rewrite as a static array | |
| 2166 TypeSArray *tsa; | |
| 2167 | |
| 2168 tsa = new TypeSArray(next, e); | |
| 2169 return tsa->semantic(loc,sc); | |
| 2170 } | |
| 2171 else if (t) | |
| 2172 index = t; | |
| 2173 else | |
| 2174 index->error(loc, "index is not a type or an expression"); | |
| 2175 } | |
| 2176 else | |
| 2177 index = index->semantic(loc,sc); | |
| 2178 | |
| 2179 // Compute key type; the purpose of the key type is to | |
| 2180 // minimize the permutations of runtime library | |
| 2181 // routines as much as possible. | |
| 2182 key = index->toBasetype(); | |
| 2183 switch (key->ty) | |
| 2184 { | |
| 2185 #if 0 | |
| 2186 case Tint8: | |
| 2187 case Tuns8: | |
| 2188 case Tint16: | |
| 2189 case Tuns16: | |
| 2190 key = tint32; | |
| 2191 break; | |
| 2192 #endif | |
| 2193 | |
| 2194 case Tsarray: | |
| 2195 #if 0 | |
| 2196 // Convert to Tarray | |
| 2197 key = key->next->arrayOf(); | |
| 2198 #endif | |
| 2199 break; | |
| 2200 case Tbit: | |
| 2201 case Tbool: | |
| 2202 case Tfunction: | |
| 2203 case Tvoid: | |
| 2204 case Tnone: | |
| 2205 error(loc, "can't have associative array key of %s", key->toChars()); | |
| 2206 break; | |
| 2207 } | |
| 2208 next = next->semantic(loc,sc); | |
| 2209 switch (next->toBasetype()->ty) | |
| 2210 { | |
| 2211 case Tfunction: | |
| 2212 case Tnone: | |
| 2213 error(loc, "can't have associative array of %s", next->toChars()); | |
| 2214 break; | |
| 2215 } | |
| 2216 if (next->isauto()) | |
| 2217 error(loc, "cannot have array of auto %s", next->toChars()); | |
| 2218 | |
| 2219 return merge(); | |
| 2220 } | |
| 2221 | |
| 2222 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2223 { | |
| 2224 #if LOGDOTEXP | |
| 2225 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2226 #endif | |
| 2227 if (ident == Id::length) | |
| 2228 { | |
| 2229 Expression *ec; | |
| 2230 FuncDeclaration *fd; | |
| 2231 Expressions *arguments; | |
| 2232 | |
| 2233 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen); | |
| 2234 fd->runTimeHack = true; | |
| 2235 ec = new VarExp(0, fd); | |
| 2236 arguments = new Expressions(); | |
| 2237 arguments->push(e); | |
| 2238 e = new CallExp(e->loc, ec, arguments); | |
| 2239 e->type = fd->type->next; | |
| 2240 } | |
| 2241 else if (ident == Id::keys) | |
| 2242 { | |
| 2243 Expression *ec; | |
| 2244 FuncDeclaration *fd; | |
| 2245 Expressions *arguments; | |
| 2246 int size = key->size(e->loc); | |
| 2247 | |
| 2248 assert(size); | |
| 2249 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaKeys); | |
| 2250 fd->runTimeHack = true; | |
| 2251 ec = new VarExp(0, fd); | |
| 2252 arguments = new Expressions(); | |
| 2253 arguments->push(e); | |
| 2254 arguments->push(new IntegerExp(0, size, Type::tsize_t)); | |
| 2255 e = new CallExp(e->loc, ec, arguments); | |
| 2256 e->type = index->arrayOf(); | |
| 2257 } | |
| 2258 else if (ident == Id::values) | |
| 2259 { | |
| 2260 Expression *ec; | |
| 2261 FuncDeclaration *fd; | |
| 2262 Expressions *arguments; | |
| 2263 | |
| 2264 fd = FuncDeclaration::genCfunc(Type::tvoid->arrayOf(), Id::aaValues); | |
| 2265 fd->runTimeHack = true; | |
| 2266 ec = new VarExp(0, fd); | |
| 2267 arguments = new Expressions(); | |
| 2268 arguments->push(e); | |
| 2269 size_t keysize = key->size(e->loc); | |
| 2270 keysize = (keysize + 4 - 1) & ~(4 - 1); | |
| 2271 arguments->push(new IntegerExp(0, keysize, Type::tsize_t)); | |
| 2272 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t)); | |
| 2273 e = new CallExp(e->loc, ec, arguments); | |
| 2274 e->type = next->arrayOf(); | |
| 2275 } | |
| 2276 else if (ident == Id::rehash) | |
| 2277 { | |
| 2278 Expression *ec; | |
| 2279 FuncDeclaration *fd; | |
| 2280 Expressions *arguments; | |
| 2281 | |
| 2282 fd = FuncDeclaration::genCfunc(Type::tvoid->pointerTo(), Id::aaRehash); | |
| 2283 fd->runTimeHack = true; | |
| 2284 ec = new VarExp(0, fd); | |
| 2285 arguments = new Expressions(); | |
| 2286 arguments->push(e->addressOf(sc)); | |
| 2287 arguments->push(key->getInternalTypeInfo(sc)); | |
| 2288 e = new CallExp(e->loc, ec, arguments); | |
| 2289 e->type = this; | |
| 2290 } | |
| 2291 else | |
| 2292 { | |
| 2293 e = Type::dotExp(sc, e, ident); | |
| 2294 } | |
| 2295 return e; | |
| 2296 } | |
| 2297 | |
| 2298 void TypeAArray::toDecoBuffer(OutBuffer *buf) | |
| 2299 { | |
| 2300 buf->writeByte(mangleChar[ty]); | |
| 2301 index->toDecoBuffer(buf); | |
| 2302 next->toDecoBuffer(buf); | |
| 2303 } | |
| 2304 | |
| 2305 void TypeAArray::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2306 { | |
| 2307 if (mod != this->mod) | |
| 2308 { toCBuffer3(buf, hgs, mod); | |
| 2309 return; | |
| 2310 } | |
| 2311 next->toCBuffer2(buf, hgs, this->mod); | |
| 2312 buf->writeByte('['); | |
| 2313 index->toCBuffer2(buf, hgs, 0); | |
| 2314 buf->writeByte(']'); | |
| 2315 } | |
| 2316 | |
| 2317 Expression *TypeAArray::defaultInit(Loc loc) | |
| 2318 { | |
| 2319 #if LOGDEFAULTINIT | |
| 2320 printf("TypeAArray::defaultInit() '%s'\n", toChars()); | |
| 2321 #endif | |
| 2322 Expression *e; | |
| 2323 e = new NullExp(loc); | |
| 2324 e->type = this; | |
| 2325 return e; | |
| 2326 } | |
| 2327 | |
|
211
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2328 int TypeAArray::isZeroInit() |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2329 { |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2330 return 1; |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2331 } |
|
f66219e0d530
[svn r227] Fixed: crash in lifetime.d when resizing array of AAs by .length assignment.
lindquist
parents:
162
diff
changeset
|
2332 |
| 159 | 2333 int TypeAArray::checkBoolean() |
| 2334 { | |
| 2335 return TRUE; | |
| 2336 } | |
| 2337 | |
| 2338 int TypeAArray::hasPointers() | |
| 2339 { | |
| 2340 return TRUE; | |
| 2341 } | |
| 2342 | |
| 2343 /***************************** TypePointer *****************************/ | |
| 2344 | |
| 2345 TypePointer::TypePointer(Type *t) | |
| 2346 : Type(Tpointer, t) | |
| 2347 { | |
| 2348 } | |
| 2349 | |
| 2350 Type *TypePointer::syntaxCopy() | |
| 2351 { | |
| 2352 Type *t = next->syntaxCopy(); | |
| 2353 if (t == next) | |
| 2354 t = this; | |
| 2355 else | |
| 2356 t = new TypePointer(t); | |
| 2357 return t; | |
| 2358 } | |
| 2359 | |
| 2360 Type *TypePointer::semantic(Loc loc, Scope *sc) | |
| 2361 { | |
| 2362 //printf("TypePointer::semantic()\n"); | |
| 2363 Type *n = next->semantic(loc, sc); | |
| 2364 switch (n->toBasetype()->ty) | |
| 2365 { | |
| 2366 case Ttuple: | |
| 2367 error(loc, "can't have pointer to %s", n->toChars()); | |
| 2368 n = tint32; | |
| 2369 break; | |
| 2370 } | |
| 2371 if (n != next) | |
| 2372 deco = NULL; | |
| 2373 next = n; | |
| 2374 return merge(); | |
| 2375 } | |
| 2376 | |
| 2377 | |
| 2378 d_uns64 TypePointer::size(Loc loc) | |
| 2379 { | |
| 2380 return PTRSIZE; | |
| 2381 } | |
| 2382 | |
| 2383 void TypePointer::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2384 { | |
| 2385 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty); | |
| 2386 if (mod != this->mod) | |
| 2387 { toCBuffer3(buf, hgs, mod); | |
| 2388 return; | |
| 2389 } | |
| 2390 next->toCBuffer2(buf, hgs, this->mod); | |
| 2391 if (next->ty != Tfunction) | |
| 2392 buf->writeByte('*'); | |
| 2393 } | |
| 2394 | |
| 2395 MATCH TypePointer::implicitConvTo(Type *to) | |
| 2396 { | |
| 2397 //printf("TypePointer::implicitConvTo()\n"); | |
| 2398 | |
| 2399 if (this == to) | |
| 2400 return MATCHexact; | |
| 2401 if (to->ty == Tpointer && to->next) | |
| 2402 { | |
| 2403 if (to->next->ty == Tvoid) | |
| 2404 return MATCHconvert; | |
| 2405 | |
| 2406 #if 0 | |
| 2407 if (to->next->isBaseOf(next)) | |
| 2408 return MATCHconvert; | |
| 2409 #endif | |
| 2410 | |
| 2411 if (next->ty == Tfunction && to->next->ty == Tfunction) | |
| 2412 { TypeFunction *tf; | |
| 2413 TypeFunction *tfto; | |
| 2414 | |
| 2415 tf = (TypeFunction *)(next); | |
| 2416 tfto = (TypeFunction *)(to->next); | |
| 2417 return tfto->equals(tf) ? MATCHexact : MATCHnomatch; | |
| 2418 } | |
| 2419 } | |
| 2420 // if (to->ty == Tvoid) | |
| 2421 // return MATCHconvert; | |
| 2422 return MATCHnomatch; | |
| 2423 } | |
| 2424 | |
| 2425 int TypePointer::isscalar() | |
| 2426 { | |
| 2427 return TRUE; | |
| 2428 } | |
| 2429 | |
| 2430 Expression *TypePointer::defaultInit(Loc loc) | |
| 2431 { | |
| 2432 #if LOGDEFAULTINIT | |
| 2433 printf("TypePointer::defaultInit() '%s'\n", toChars()); | |
| 2434 #endif | |
| 2435 Expression *e; | |
| 2436 e = new NullExp(loc); | |
| 2437 e->type = this; | |
| 2438 return e; | |
| 2439 } | |
| 2440 | |
| 2441 int TypePointer::isZeroInit() | |
| 2442 { | |
| 2443 return 1; | |
| 2444 } | |
| 2445 | |
| 2446 int TypePointer::hasPointers() | |
| 2447 { | |
| 2448 return TRUE; | |
| 2449 } | |
| 2450 | |
| 2451 | |
| 2452 /***************************** TypeReference *****************************/ | |
| 2453 | |
| 2454 TypeReference::TypeReference(Type *t) | |
| 2455 : Type(Treference, t) | |
| 2456 { | |
| 2457 if (t->ty == Tbit) | |
| 2458 error(0,"cannot make reference to a bit"); | |
| 2459 // BUG: what about references to static arrays? | |
| 2460 } | |
| 2461 | |
| 2462 Type *TypeReference::syntaxCopy() | |
| 2463 { | |
| 2464 Type *t = next->syntaxCopy(); | |
| 2465 if (t == next) | |
| 2466 t = this; | |
| 2467 else | |
| 2468 t = new TypeReference(t); | |
| 2469 return t; | |
| 2470 } | |
| 2471 | |
| 2472 d_uns64 TypeReference::size(Loc loc) | |
| 2473 { | |
| 2474 return PTRSIZE; | |
| 2475 } | |
| 2476 | |
| 2477 void TypeReference::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2478 { | |
| 2479 if (mod != this->mod) | |
| 2480 { toCBuffer3(buf, hgs, mod); | |
| 2481 return; | |
| 2482 } | |
| 2483 next->toCBuffer2(buf, hgs, this->mod); | |
| 2484 buf->writeByte('&'); | |
| 2485 } | |
| 2486 | |
| 2487 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 2488 { | |
| 2489 #if LOGDOTEXP | |
| 2490 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 2491 #endif | |
| 2492 | |
| 2493 // References just forward things along | |
| 2494 return next->dotExp(sc, e, ident); | |
| 2495 } | |
| 2496 | |
| 2497 Expression *TypeReference::defaultInit(Loc loc) | |
| 2498 { | |
| 2499 #if LOGDEFAULTINIT | |
| 2500 printf("TypeReference::defaultInit() '%s'\n", toChars()); | |
| 2501 #endif | |
| 2502 Expression *e; | |
| 2503 e = new NullExp(loc); | |
| 2504 e->type = this; | |
| 2505 return e; | |
| 2506 } | |
| 2507 | |
| 2508 int TypeReference::isZeroInit() | |
| 2509 { | |
| 2510 return 1; | |
| 2511 } | |
| 2512 | |
| 2513 | |
| 2514 /***************************** TypeFunction *****************************/ | |
| 2515 | |
| 2516 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage) | |
| 2517 : Type(Tfunction, treturn) | |
| 2518 { | |
| 2519 //if (!treturn) *(char*)0=0; | |
| 2520 // assert(treturn); | |
| 2521 this->parameters = parameters; | |
| 2522 this->varargs = varargs; | |
| 2523 this->linkage = linkage; | |
| 2524 this->inuse = 0; | |
| 2525 this->llvmRetInPtr = false; | |
| 2526 this->llvmUsesThis = false; | |
| 2527 } | |
| 2528 | |
| 2529 Type *TypeFunction::syntaxCopy() | |
| 2530 { | |
| 2531 Type *treturn = next ? next->syntaxCopy() : NULL; | |
| 2532 Arguments *params = Argument::arraySyntaxCopy(parameters); | |
|
217
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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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|
2533 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
changeset
|
2534 t->llvmRetInPtr = llvmRetInPtr; |
|
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
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diff
changeset
|
2535 t->llvmUsesThis = llvmUsesThis; |
| 159 | 2536 return t; |
| 2537 } | |
| 2538 | |
| 2539 /******************************* | |
| 2540 * Returns: | |
| 2541 * 0 types are distinct | |
| 2542 * 1 this is covariant with t | |
| 2543 * 2 arguments match as far as overloading goes, | |
| 2544 * but types are not covariant | |
| 2545 * 3 cannot determine covariance because of forward references | |
| 2546 */ | |
| 2547 | |
| 2548 int Type::covariant(Type *t) | |
| 2549 { | |
| 2550 #if 0 | |
| 2551 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars()); | |
| 2552 printf("deco = %p, %p\n", deco, t->deco); | |
| 2553 printf("ty = %d\n", next->ty); | |
| 2554 #endif | |
| 2555 | |
| 2556 int inoutmismatch = 0; | |
| 2557 | |
| 2558 if (equals(t)) | |
| 2559 goto Lcovariant; | |
| 2560 if (ty != Tfunction || t->ty != Tfunction) | |
| 2561 goto Ldistinct; | |
| 2562 | |
| 2563 { | |
| 2564 TypeFunction *t1 = (TypeFunction *)this; | |
| 2565 TypeFunction *t2 = (TypeFunction *)t; | |
| 2566 | |
| 2567 if (t1->varargs != t2->varargs) | |
| 2568 goto Ldistinct; | |
| 2569 | |
| 2570 if (t1->parameters && t2->parameters) | |
| 2571 { | |
| 2572 size_t dim = Argument::dim(t1->parameters); | |
| 2573 if (dim != Argument::dim(t2->parameters)) | |
| 2574 goto Ldistinct; | |
| 2575 | |
| 2576 for (size_t i = 0; i < dim; i++) | |
| 2577 { Argument *arg1 = Argument::getNth(t1->parameters, i); | |
| 2578 Argument *arg2 = Argument::getNth(t2->parameters, i); | |
| 2579 | |
| 2580 if (!arg1->type->equals(arg2->type)) | |
| 2581 goto Ldistinct; | |
| 2582 if (arg1->storageClass != arg2->storageClass) | |
| 2583 inoutmismatch = 1; | |
| 2584 } | |
| 2585 } | |
| 2586 else if (t1->parameters != t2->parameters) | |
| 2587 goto Ldistinct; | |
| 2588 | |
| 2589 // The argument lists match | |
| 2590 if (inoutmismatch) | |
| 2591 goto Lnotcovariant; | |
| 2592 if (t1->linkage != t2->linkage) | |
| 2593 goto Lnotcovariant; | |
| 2594 | |
| 2595 Type *t1n = t1->next; | |
| 2596 Type *t2n = t2->next; | |
| 2597 | |
| 2598 if (t1n->equals(t2n)) | |
| 2599 goto Lcovariant; | |
| 2600 if (t1n->ty != Tclass || t2n->ty != Tclass) | |
| 2601 goto Lnotcovariant; | |
| 2602 | |
| 2603 // If t1n is forward referenced: | |
| 2604 ClassDeclaration *cd = ((TypeClass *)t1n)->sym; | |
| 2605 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration()) | |
| 2606 { | |
| 2607 return 3; | |
| 2608 } | |
| 2609 | |
| 2610 if (t1n->implicitConvTo(t2n)) | |
| 2611 goto Lcovariant; | |
| 2612 goto Lnotcovariant; | |
| 2613 } | |
| 2614 | |
| 2615 Lcovariant: | |
| 2616 //printf("\tcovaraint: 1\n"); | |
| 2617 return 1; | |
| 2618 | |
| 2619 Ldistinct: | |
| 2620 //printf("\tcovaraint: 0\n"); | |
| 2621 return 0; | |
| 2622 | |
| 2623 Lnotcovariant: | |
| 2624 //printf("\tcovaraint: 2\n"); | |
| 2625 return 2; | |
| 2626 } | |
| 2627 | |
| 2628 void TypeFunction::toDecoBuffer(OutBuffer *buf) | |
| 2629 { unsigned char mc; | |
| 2630 | |
| 2631 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars()); | |
| 2632 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 2633 if (inuse) | |
| 2634 { inuse = 2; // flag error to caller | |
| 2635 return; | |
| 2636 } | |
| 2637 inuse++; | |
| 2638 switch (linkage) | |
| 2639 { | |
| 2640 case LINKd: mc = 'F'; break; | |
| 2641 case LINKc: mc = 'U'; break; | |
| 2642 case LINKwindows: mc = 'W'; break; | |
| 2643 case LINKpascal: mc = 'V'; break; | |
| 2644 case LINKcpp: mc = 'R'; break; | |
| 2645 default: | |
| 2646 assert(0); | |
| 2647 } | |
| 2648 buf->writeByte(mc); | |
| 2649 // Write argument types | |
| 2650 Argument::argsToDecoBuffer(buf, parameters); | |
| 2651 //if (buf->data[buf->offset - 1] == '@') halt(); | |
| 2652 buf->writeByte('Z' - varargs); // mark end of arg list | |
| 2653 next->toDecoBuffer(buf); | |
| 2654 inuse--; | |
| 2655 } | |
| 2656 | |
| 2657 void TypeFunction::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs) | |
| 2658 { | |
| 2659 char *p = NULL; | |
| 2660 | |
| 2661 if (inuse) | |
| 2662 { inuse = 2; // flag error to caller | |
| 2663 return; | |
| 2664 } | |
| 2665 inuse++; | |
| 2666 if (next && (!ident || ident->toHChars2() == ident->toChars())) | |
| 2667 next->toCBuffer2(buf, hgs, 0); | |
| 2668 if (hgs->ddoc != 1) | |
| 2669 { | |
| 2670 switch (linkage) | |
| 2671 { | |
| 2672 case LINKd: p = NULL; break; | |
| 2673 case LINKc: p = "C "; break; | |
| 2674 case LINKwindows: p = "Windows "; break; | |
| 2675 case LINKpascal: p = "Pascal "; break; | |
| 2676 case LINKcpp: p = "C++ "; break; | |
| 2677 default: | |
| 2678 assert(0); | |
| 2679 } | |
| 2680 } | |
| 2681 | |
| 2682 if (!hgs->hdrgen && p) | |
| 2683 buf->writestring(p); | |
| 2684 if (ident) | |
| 2685 { buf->writeByte(' '); | |
| 2686 buf->writestring(ident->toHChars2()); | |
| 2687 } | |
| 2688 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2689 inuse--; | |
| 2690 } | |
| 2691 | |
| 2692 void TypeFunction::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2693 { | |
| 2694 char *p = NULL; | |
| 2695 | |
| 2696 if (inuse) | |
| 2697 { inuse = 2; // flag error to caller | |
| 2698 return; | |
| 2699 } | |
| 2700 inuse++; | |
| 2701 if (next) | |
| 2702 next->toCBuffer2(buf, hgs, 0); | |
| 2703 if (hgs->ddoc != 1) | |
| 2704 { | |
| 2705 switch (linkage) | |
| 2706 { | |
| 2707 case LINKd: p = NULL; break; | |
| 2708 case LINKc: p = "C "; break; | |
| 2709 case LINKwindows: p = "Windows "; break; | |
| 2710 case LINKpascal: p = "Pascal "; break; | |
| 2711 case LINKcpp: p = "C++ "; break; | |
| 2712 default: | |
| 2713 assert(0); | |
| 2714 } | |
| 2715 } | |
| 2716 | |
| 2717 if (!hgs->hdrgen && p) | |
| 2718 buf->writestring(p); | |
| 2719 buf->writestring(" function"); | |
| 2720 Argument::argsToCBuffer(buf, hgs, parameters, varargs); | |
| 2721 inuse--; | |
| 2722 } | |
| 2723 | |
| 2724 Type *TypeFunction::semantic(Loc loc, Scope *sc) | |
| 2725 { | |
| 2726 if (deco) // if semantic() already run | |
| 2727 { | |
| 2728 //printf("already done\n"); | |
| 2729 return this; | |
| 2730 } | |
| 2731 //printf("TypeFunction::semantic() this = %p\n", this); | |
| 2732 | |
| 2733 TypeFunction *tf = (TypeFunction *)mem.malloc(sizeof(TypeFunction)); | |
| 2734 memcpy(tf, this, sizeof(TypeFunction)); | |
| 2735 if (parameters) | |
| 2736 { tf->parameters = (Arguments *)parameters->copy(); | |
| 2737 for (size_t i = 0; i < parameters->dim; i++) | |
| 2738 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2739 Argument *cpy = (Argument *)mem.malloc(sizeof(Argument)); | |
| 2740 memcpy(cpy, arg, sizeof(Argument)); | |
| 2741 tf->parameters->data[i] = (void *)cpy; | |
| 2742 } | |
| 2743 } | |
| 2744 | |
| 2745 tf->linkage = sc->linkage; | |
| 2746 if (!tf->next) | |
| 2747 { | |
| 2748 assert(global.errors); | |
| 2749 tf->next = tvoid; | |
| 2750 } | |
| 2751 tf->next = tf->next->semantic(loc,sc); | |
| 2752 if (tf->next->toBasetype()->ty == Tsarray) | |
| 2753 { error(loc, "functions cannot return static array %s", tf->next->toChars()); | |
| 2754 tf->next = Type::terror; | |
| 2755 } | |
| 2756 if (tf->next->toBasetype()->ty == Tfunction) | |
| 2757 { error(loc, "functions cannot return a function"); | |
| 2758 tf->next = Type::terror; | |
| 2759 } | |
| 2760 if (tf->next->toBasetype()->ty == Ttuple) | |
| 2761 { error(loc, "functions cannot return a tuple"); | |
| 2762 tf->next = Type::terror; | |
| 2763 } | |
| 2764 if (tf->next->isauto() && !(sc->flags & SCOPEctor)) | |
| 2765 error(loc, "functions cannot return auto %s", tf->next->toChars()); | |
| 2766 | |
| 2767 if (tf->parameters) | |
| 2768 { size_t dim = Argument::dim(tf->parameters); | |
| 2769 | |
| 2770 for (size_t i = 0; i < dim; i++) | |
| 2771 { Argument *arg = Argument::getNth(tf->parameters, i); | |
| 2772 Type *t; | |
| 2773 | |
| 2774 tf->inuse++; | |
| 2775 arg->type = arg->type->semantic(loc,sc); | |
| 2776 if (tf->inuse == 1) tf->inuse--; | |
| 2777 t = arg->type->toBasetype(); | |
| 2778 | |
| 2779 if (arg->storageClass & (STCout | STCref | STClazy)) | |
| 2780 { | |
| 2781 if (t->ty == Tsarray) | |
| 2782 error(loc, "cannot have out or ref parameter of type %s", t->toChars()); | |
| 2783 } | |
| 2784 if (!(arg->storageClass & STClazy) && t->ty == Tvoid) | |
| 2785 error(loc, "cannot have parameter of type %s", arg->type->toChars()); | |
| 2786 | |
| 2787 if (arg->defaultArg) | |
| 2788 { | |
| 2789 arg->defaultArg = arg->defaultArg->semantic(sc); | |
| 2790 arg->defaultArg = resolveProperties(sc, arg->defaultArg); | |
| 2791 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type); | |
| 2792 } | |
| 2793 | |
| 2794 /* If arg turns out to be a tuple, the number of parameters may | |
| 2795 * change. | |
| 2796 */ | |
| 2797 if (t->ty == Ttuple) | |
| 2798 { dim = Argument::dim(tf->parameters); | |
| 2799 i--; | |
| 2800 } | |
| 2801 } | |
| 2802 } | |
| 2803 tf->deco = tf->merge()->deco; | |
| 2804 | |
| 2805 if (tf->inuse) | |
| 2806 { error(loc, "recursive type"); | |
| 2807 tf->inuse = 0; | |
| 2808 return terror; | |
| 2809 } | |
| 2810 | |
| 2811 if (tf->varargs == 1 && tf->linkage != LINKd && Argument::dim(tf->parameters) == 0) | |
| 2812 error(loc, "variadic functions with non-D linkage must have at least one parameter"); | |
| 2813 | |
| 2814 /* Don't return merge(), because arg identifiers and default args | |
| 2815 * can be different | |
| 2816 * even though the types match | |
| 2817 */ | |
| 2818 return tf; | |
| 2819 } | |
| 2820 | |
| 2821 /******************************** | |
| 2822 * 'args' are being matched to function 'this' | |
| 2823 * Determine match level. | |
| 2824 * Returns: | |
| 2825 * MATCHxxxx | |
| 2826 */ | |
| 2827 | |
| 2828 int TypeFunction::callMatch(Expressions *args) | |
| 2829 { | |
| 2830 //printf("TypeFunction::callMatch()\n"); | |
| 2831 int match = MATCHexact; // assume exact match | |
| 2832 | |
| 2833 size_t nparams = Argument::dim(parameters); | |
| 2834 size_t nargs = args ? args->dim : 0; | |
| 2835 if (nparams == nargs) | |
| 2836 ; | |
| 2837 else if (nargs > nparams) | |
| 2838 { | |
| 2839 if (varargs == 0) | |
| 2840 goto Nomatch; // too many args; no match | |
| 2841 match = MATCHconvert; // match ... with a "conversion" match level | |
| 2842 } | |
| 2843 | |
| 2844 for (size_t u = 0; u < nparams; u++) | |
| 2845 { int m; | |
| 2846 Expression *arg; | |
| 2847 | |
| 2848 // BUG: what about out and ref? | |
| 2849 | |
| 2850 Argument *p = Argument::getNth(parameters, u); | |
| 2851 assert(p); | |
| 2852 if (u >= nargs) | |
| 2853 { | |
| 2854 if (p->defaultArg) | |
| 2855 continue; | |
| 2856 if (varargs == 2 && u + 1 == nparams) | |
| 2857 goto L1; | |
| 2858 goto Nomatch; // not enough arguments | |
| 2859 } | |
| 2860 arg = (Expression *)args->data[u]; | |
| 2861 assert(arg); | |
| 2862 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid) | |
| 2863 m = MATCHconvert; | |
| 2864 else | |
| 2865 m = arg->implicitConvTo(p->type); | |
| 2866 //printf("\tm = %d\n", m); | |
| 2867 if (m == MATCHnomatch) // if no match | |
| 2868 { | |
| 2869 L1: | |
| 2870 if (varargs == 2 && u + 1 == nparams) // if last varargs param | |
| 2871 { Type *tb = p->type->toBasetype(); | |
| 2872 TypeSArray *tsa; | |
| 2873 integer_t sz; | |
| 2874 | |
| 2875 switch (tb->ty) | |
| 2876 { | |
| 2877 case Tsarray: | |
| 2878 tsa = (TypeSArray *)tb; | |
| 2879 sz = tsa->dim->toInteger(); | |
| 2880 if (sz != nargs - u) | |
| 2881 goto Nomatch; | |
| 2882 case Tarray: | |
| 2883 for (; u < nargs; u++) | |
| 2884 { | |
| 2885 arg = (Expression *)args->data[u]; | |
| 2886 assert(arg); | |
| 2887 #if 1 | |
| 2888 /* If lazy array of delegates, | |
| 2889 * convert arg(s) to delegate(s) | |
| 2890 */ | |
| 2891 Type *tret = p->isLazyArray(); | |
| 2892 if (tret) | |
| 2893 { | |
| 2894 if (tb->next->equals(arg->type)) | |
| 2895 { m = MATCHexact; | |
| 2896 } | |
| 2897 else | |
| 2898 { | |
| 2899 m = arg->implicitConvTo(tret); | |
| 2900 if (m == MATCHnomatch) | |
| 2901 { | |
| 2902 if (tret->toBasetype()->ty == Tvoid) | |
| 2903 m = MATCHconvert; | |
| 2904 } | |
| 2905 } | |
| 2906 } | |
| 2907 else | |
| 2908 m = arg->implicitConvTo(tb->next); | |
| 2909 #else | |
| 2910 m = arg->implicitConvTo(tb->next); | |
| 2911 #endif | |
| 2912 if (m == 0) | |
| 2913 goto Nomatch; | |
| 2914 if (m < match) | |
| 2915 match = m; | |
| 2916 } | |
| 2917 goto Ldone; | |
| 2918 | |
| 2919 case Tclass: | |
| 2920 // Should see if there's a constructor match? | |
| 2921 // Or just leave it ambiguous? | |
| 2922 goto Ldone; | |
| 2923 | |
| 2924 default: | |
| 2925 goto Nomatch; | |
| 2926 } | |
| 2927 } | |
| 2928 goto Nomatch; | |
| 2929 } | |
| 2930 if (m < match) | |
| 2931 match = m; // pick worst match | |
| 2932 } | |
| 2933 | |
| 2934 Ldone: | |
| 2935 //printf("match = %d\n", match); | |
| 2936 return match; | |
| 2937 | |
| 2938 Nomatch: | |
| 2939 //printf("no match\n"); | |
| 2940 return MATCHnomatch; | |
| 2941 } | |
| 2942 | |
| 2943 Type *TypeFunction::reliesOnTident() | |
| 2944 { | |
| 2945 if (parameters) | |
| 2946 { | |
| 2947 for (size_t i = 0; i < parameters->dim; i++) | |
| 2948 { Argument *arg = (Argument *)parameters->data[i]; | |
| 2949 Type *t = arg->type->reliesOnTident(); | |
| 2950 if (t) | |
| 2951 return t; | |
| 2952 } | |
| 2953 } | |
| 2954 return next->reliesOnTident(); | |
| 2955 } | |
| 2956 | |
| 2957 /***************************** TypeDelegate *****************************/ | |
| 2958 | |
| 2959 TypeDelegate::TypeDelegate(Type *t) | |
| 2960 : Type(Tfunction, t) | |
| 2961 { | |
| 2962 ty = Tdelegate; | |
| 2963 } | |
| 2964 | |
| 2965 Type *TypeDelegate::syntaxCopy() | |
| 2966 { | |
| 2967 Type *t = next->syntaxCopy(); | |
| 2968 if (t == next) | |
| 2969 t = this; | |
| 2970 else | |
| 2971 t = new TypeDelegate(t); | |
| 2972 return t; | |
| 2973 } | |
| 2974 | |
| 2975 Type *TypeDelegate::semantic(Loc loc, Scope *sc) | |
| 2976 { | |
| 2977 if (deco) // if semantic() already run | |
| 2978 { | |
| 2979 //printf("already done\n"); | |
| 2980 return this; | |
| 2981 } | |
| 2982 next = next->semantic(loc,sc); | |
| 2983 return merge(); | |
| 2984 } | |
| 2985 | |
| 2986 d_uns64 TypeDelegate::size(Loc loc) | |
| 2987 { | |
| 2988 return PTRSIZE * 2; | |
| 2989 } | |
| 2990 | |
| 2991 void TypeDelegate::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 2992 { | |
| 2993 if (mod != this->mod) | |
| 2994 { toCBuffer3(buf, hgs, mod); | |
| 2995 return; | |
| 2996 } | |
| 2997 TypeFunction *tf = (TypeFunction *)next; | |
| 2998 | |
| 2999 tf->next->toCBuffer2(buf, hgs, 0); | |
| 3000 buf->writestring(" delegate"); | |
| 3001 Argument::argsToCBuffer(buf, hgs, tf->parameters, tf->varargs); | |
| 3002 } | |
| 3003 | |
| 3004 Expression *TypeDelegate::defaultInit(Loc loc) | |
| 3005 { | |
| 3006 #if LOGDEFAULTINIT | |
| 3007 printf("TypeDelegate::defaultInit() '%s'\n", toChars()); | |
| 3008 #endif | |
| 3009 Expression *e; | |
| 3010 e = new NullExp(loc); | |
| 3011 e->type = this; | |
| 3012 return e; | |
| 3013 } | |
| 3014 | |
| 3015 int TypeDelegate::isZeroInit() | |
| 3016 { | |
| 3017 return 1; | |
| 3018 } | |
| 3019 | |
| 3020 int TypeDelegate::checkBoolean() | |
| 3021 { | |
| 3022 return TRUE; | |
| 3023 } | |
| 3024 | |
| 3025 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3026 { | |
| 3027 #if LOGDOTEXP | |
| 3028 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 3029 #endif | |
| 3030 if (ident == Id::ptr) | |
| 3031 { | |
| 3032 e->type = tvoidptr; | |
| 3033 return e; | |
| 3034 } | |
| 3035 else if (ident == Id::funcptr) | |
| 3036 { | |
| 3037 e = e->addressOf(sc); | |
| 3038 e->type = tvoidptr; | |
| 3039 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE)); | |
| 3040 e->type = tvoidptr; | |
| 3041 e = new PtrExp(e->loc, e); | |
| 3042 e->type = next->pointerTo(); | |
| 3043 return e; | |
| 3044 } | |
| 3045 else | |
| 3046 { | |
| 3047 e = Type::dotExp(sc, e, ident); | |
| 3048 } | |
| 3049 return e; | |
| 3050 } | |
| 3051 | |
| 3052 int TypeDelegate::hasPointers() | |
| 3053 { | |
| 3054 return TRUE; | |
| 3055 } | |
| 3056 | |
| 3057 | |
| 3058 | |
| 3059 /***************************** TypeQualified *****************************/ | |
| 3060 | |
| 3061 TypeQualified::TypeQualified(TY ty, Loc loc) | |
| 3062 : Type(ty, NULL) | |
| 3063 { | |
| 3064 this->loc = loc; | |
| 3065 } | |
| 3066 | |
| 3067 void TypeQualified::syntaxCopyHelper(TypeQualified *t) | |
| 3068 { | |
| 3069 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars()); | |
| 3070 idents.setDim(t->idents.dim); | |
| 3071 for (int i = 0; i < idents.dim; i++) | |
| 3072 { | |
| 3073 Identifier *id = (Identifier *)t->idents.data[i]; | |
| 3074 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3075 { | |
| 3076 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3077 | |
| 3078 ti = (TemplateInstance *)ti->syntaxCopy(NULL); | |
| 3079 id = (Identifier *)ti; | |
| 3080 } | |
| 3081 idents.data[i] = id; | |
| 3082 } | |
| 3083 } | |
| 3084 | |
| 3085 | |
| 3086 void TypeQualified::addIdent(Identifier *ident) | |
| 3087 { | |
| 3088 idents.push(ident); | |
| 3089 } | |
| 3090 | |
| 3091 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, HdrGenState *hgs) | |
| 3092 { | |
| 3093 int i; | |
| 3094 | |
| 3095 for (i = 0; i < idents.dim; i++) | |
| 3096 { Identifier *id = (Identifier *)idents.data[i]; | |
| 3097 | |
| 3098 buf->writeByte('.'); | |
| 3099 | |
| 3100 if (id->dyncast() == DYNCAST_DSYMBOL) | |
| 3101 { | |
| 3102 TemplateInstance *ti = (TemplateInstance *)id; | |
| 3103 ti->toCBuffer(buf, hgs); | |
| 3104 } | |
| 3105 else | |
| 3106 buf->writestring(id->toChars()); | |
| 3107 } | |
| 3108 } | |
| 3109 | |
| 3110 d_uns64 TypeQualified::size(Loc loc) | |
| 3111 { | |
| 3112 error(this->loc, "size of type %s is not known", toChars()); | |
| 3113 return 1; | |
| 3114 } | |
| 3115 | |
| 3116 /************************************* | |
| 3117 * Takes an array of Identifiers and figures out if | |
| 3118 * it represents a Type or an Expression. | |
| 3119 * Output: | |
| 3120 * if expression, *pe is set | |
| 3121 * if type, *pt is set | |
| 3122 */ | |
| 3123 | |
| 3124 void TypeQualified::resolveHelper(Loc loc, Scope *sc, | |
| 3125 Dsymbol *s, Dsymbol *scopesym, | |
| 3126 Expression **pe, Type **pt, Dsymbol **ps) | |
| 3127 { | |
| 3128 Identifier *id = NULL; | |
| 3129 int i; | |
| 3130 VarDeclaration *v; | |
| 3131 EnumMember *em; | |
| 3132 TupleDeclaration *td; | |
| 3133 Type *t; | |
| 3134 Expression *e; | |
| 3135 | |
| 3136 #if 0 | |
| 3137 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3138 if (scopesym) | |
| 3139 printf("\tscopesym = '%s'\n", scopesym->toChars()); | |
| 3140 #endif | |
| 3141 *pe = NULL; | |
| 3142 *pt = NULL; | |
| 3143 *ps = NULL; | |
| 3144 if (s) | |
| 3145 { | |
| 3146 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3147 s = s->toAlias(); | |
| 3148 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3149 for (i = 0; i < idents.dim; i++) | |
| 3150 { Dsymbol *sm; | |
| 3151 | |
| 3152 id = (Identifier *)idents.data[i]; | |
| 3153 sm = s->searchX(loc, sc, id); | |
| 3154 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind()); | |
| 3155 //printf("getType = '%s'\n", s->getType()->toChars()); | |
| 3156 if (!sm) | |
| 3157 { | |
| 3158 v = s->isVarDeclaration(); | |
| 3159 if (v && id == Id::length) | |
| 3160 { | |
| 3161 if (v->isConst() && v->getExpInitializer()) | |
| 3162 { e = v->getExpInitializer()->exp; | |
| 3163 } | |
| 3164 else | |
| 3165 e = new VarExp(loc, v); | |
| 3166 t = e->type; | |
| 3167 if (!t) | |
| 3168 goto Lerror; | |
| 3169 goto L3; | |
| 3170 } | |
| 3171 t = s->getType(); | |
| 3172 if (!t && s->isDeclaration()) | |
| 3173 t = s->isDeclaration()->type; | |
| 3174 if (t) | |
| 3175 { | |
| 3176 sm = t->toDsymbol(sc); | |
| 3177 if (sm) | |
| 3178 { sm = sm->search(loc, id, 0); | |
| 3179 if (sm) | |
| 3180 goto L2; | |
| 3181 } | |
| 3182 //e = t->getProperty(loc, id); | |
| 3183 e = new TypeExp(loc, t); | |
| 3184 e = t->dotExp(sc, e, id); | |
| 3185 i++; | |
| 3186 L3: | |
| 3187 for (; i < idents.dim; i++) | |
| 3188 { | |
| 3189 id = (Identifier *)idents.data[i]; | |
| 3190 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type); | |
| 3191 e = e->type->dotExp(sc, e, id); | |
| 3192 } | |
| 3193 *pe = e; | |
| 3194 } | |
| 3195 else | |
| 3196 Lerror: | |
| 3197 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars()); | |
| 3198 return; | |
| 3199 } | |
| 3200 L2: | |
| 3201 s = sm->toAlias(); | |
| 3202 } | |
| 3203 | |
| 3204 v = s->isVarDeclaration(); | |
| 3205 if (v) | |
| 3206 { | |
| 3207 // It's not a type, it's an expression | |
| 3208 if (v->isConst() && v->getExpInitializer()) | |
| 3209 { | |
| 3210 ExpInitializer *ei = v->getExpInitializer(); | |
| 3211 assert(ei); | |
| 3212 *pe = ei->exp->copy(); // make copy so we can change loc | |
| 3213 (*pe)->loc = loc; | |
| 3214 } | |
| 3215 else | |
| 3216 { | |
| 3217 #if 0 | |
| 3218 WithScopeSymbol *withsym; | |
| 3219 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL) | |
| 3220 { | |
| 3221 // Same as wthis.ident | |
| 3222 e = new VarExp(loc, withsym->withstate->wthis); | |
| 3223 e = new DotIdExp(loc, e, ident); | |
| 3224 //assert(0); // BUG: should handle this | |
| 3225 } | |
| 3226 else | |
| 3227 #endif | |
| 3228 *pe = new VarExp(loc, v); | |
| 3229 } | |
| 3230 return; | |
| 3231 } | |
| 3232 em = s->isEnumMember(); | |
| 3233 if (em) | |
| 3234 { | |
| 3235 // It's not a type, it's an expression | |
| 3236 *pe = em->value->copy(); | |
| 3237 return; | |
| 3238 } | |
| 3239 | |
| 3240 L1: | |
| 3241 t = s->getType(); | |
| 3242 if (!t) | |
| 3243 { | |
| 3244 // If the symbol is an import, try looking inside the import | |
| 3245 Import *si; | |
| 3246 | |
| 3247 si = s->isImport(); | |
| 3248 if (si) | |
| 3249 { | |
| 3250 s = si->search(loc, s->ident, 0); | |
| 3251 if (s && s != si) | |
| 3252 goto L1; | |
| 3253 s = si; | |
| 3254 } | |
| 3255 *ps = s; | |
| 3256 return; | |
| 3257 } | |
| 3258 if (t->ty == Tinstance && t != this && !t->deco) | |
| 3259 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3260 return; | |
| 3261 } | |
| 3262 | |
| 3263 if (t != this) | |
| 3264 { | |
| 3265 if (t->reliesOnTident()) | |
| 3266 { | |
| 3267 Scope *scx; | |
| 3268 | |
| 3269 for (scx = sc; 1; scx = scx->enclosing) | |
| 3270 { | |
| 3271 if (!scx) | |
| 3272 { error(loc, "forward reference to '%s'", t->toChars()); | |
| 3273 return; | |
| 3274 } | |
| 3275 if (scx->scopesym == scopesym) | |
| 3276 break; | |
| 3277 } | |
| 3278 t = t->semantic(loc, scx); | |
| 3279 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps); | |
| 3280 } | |
| 3281 } | |
| 3282 if (t->ty == Ttuple) | |
| 3283 *pt = t; | |
| 3284 else | |
| 3285 *pt = t->merge(); | |
| 3286 } | |
| 3287 if (!s) | |
| 3288 { | |
| 3289 error(loc, "identifier '%s' is not defined", toChars()); | |
| 3290 } | |
| 3291 } | |
| 3292 | |
| 3293 /***************************** TypeIdentifier *****************************/ | |
| 3294 | |
| 3295 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident) | |
| 3296 : TypeQualified(Tident, loc) | |
| 3297 { | |
| 3298 this->ident = ident; | |
| 3299 } | |
| 3300 | |
| 3301 | |
| 3302 Type *TypeIdentifier::syntaxCopy() | |
| 3303 { | |
| 3304 TypeIdentifier *t; | |
| 3305 | |
| 3306 t = new TypeIdentifier(loc, ident); | |
| 3307 t->syntaxCopyHelper(this); | |
| 3308 return t; | |
| 3309 } | |
| 3310 | |
| 3311 void TypeIdentifier::toDecoBuffer(OutBuffer *buf) | |
| 3312 { unsigned len; | |
| 3313 char *name; | |
| 3314 | |
| 3315 name = ident->toChars(); | |
| 3316 len = strlen(name); | |
| 3317 buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3318 //buf->printf("%c%s", mangleChar[ty], name); | |
| 3319 } | |
| 3320 | |
| 3321 void TypeIdentifier::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3322 { | |
| 3323 if (mod != this->mod) | |
| 3324 { toCBuffer3(buf, hgs, mod); | |
| 3325 return; | |
| 3326 } | |
| 3327 buf->writestring(this->ident->toChars()); | |
| 3328 toCBuffer2Helper(buf, hgs); | |
| 3329 } | |
| 3330 | |
| 3331 /************************************* | |
| 3332 * Takes an array of Identifiers and figures out if | |
| 3333 * it represents a Type or an Expression. | |
| 3334 * Output: | |
| 3335 * if expression, *pe is set | |
| 3336 * if type, *pt is set | |
| 3337 */ | |
| 3338 | |
| 3339 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3340 { Dsymbol *s; | |
| 3341 Dsymbol *scopesym; | |
| 3342 | |
| 3343 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars()); | |
| 3344 s = sc->search(loc, ident, &scopesym); | |
| 3345 resolveHelper(loc, sc, s, scopesym, pe, pt, ps); | |
| 3346 } | |
| 3347 | |
| 3348 /***************************************** | |
| 3349 * See if type resolves to a symbol, if so, | |
| 3350 * return that symbol. | |
| 3351 */ | |
| 3352 | |
| 3353 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc) | |
| 3354 { | |
| 3355 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars()); | |
| 3356 if (!sc) | |
| 3357 return NULL; | |
| 3358 //printf("ident = '%s'\n", ident->toChars()); | |
| 3359 | |
| 3360 Dsymbol *scopesym; | |
| 3361 Dsymbol *s = sc->search(loc, ident, &scopesym); | |
| 3362 if (s) | |
| 3363 { | |
| 3364 for (int i = 0; i < idents.dim; i++) | |
| 3365 { | |
| 3366 Identifier *id = (Identifier *)idents.data[i]; | |
| 3367 s = s->searchX(loc, sc, id); | |
| 3368 if (!s) // failed to find a symbol | |
| 3369 { //printf("\tdidn't find a symbol\n"); | |
| 3370 break; | |
| 3371 } | |
| 3372 } | |
| 3373 } | |
| 3374 return s; | |
| 3375 } | |
| 3376 | |
| 3377 Type *TypeIdentifier::semantic(Loc loc, Scope *sc) | |
| 3378 { | |
| 3379 Type *t; | |
| 3380 Expression *e; | |
| 3381 Dsymbol *s; | |
| 3382 | |
| 3383 //printf("TypeIdentifier::semantic(%s)\n", toChars()); | |
| 3384 resolve(loc, sc, &e, &t, &s); | |
| 3385 if (t) | |
| 3386 { | |
| 3387 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco); | |
| 3388 | |
| 3389 if (t->ty == Ttypedef) | |
| 3390 { TypeTypedef *tt = (TypeTypedef *)t; | |
| 3391 | |
| 3392 if (tt->sym->sem == 1) | |
| 3393 error(loc, "circular reference of typedef %s", tt->toChars()); | |
| 3394 } | |
| 3395 } | |
| 3396 else | |
| 3397 { | |
| 3398 #ifdef DEBUG | |
| 3399 if (!global.gag) | |
| 3400 printf("1: "); | |
| 3401 #endif | |
| 3402 if (s) | |
| 3403 { | |
| 3404 s->error(loc, "is used as a type"); | |
| 3405 } | |
| 3406 else | |
| 3407 error(loc, "%s is used as a type", toChars()); | |
| 3408 t = tvoid; | |
| 3409 } | |
| 3410 //t->print(); | |
| 3411 return t; | |
| 3412 } | |
| 3413 | |
| 3414 Type *TypeIdentifier::reliesOnTident() | |
| 3415 { | |
| 3416 return this; | |
| 3417 } | |
| 3418 | |
| 3419 Expression *TypeIdentifier::toExpression() | |
| 3420 { | |
| 3421 Expression *e = new IdentifierExp(loc, ident); | |
| 3422 for (int i = 0; i < idents.dim; i++) | |
| 3423 { | |
| 3424 Identifier *id = (Identifier *)idents.data[i]; | |
| 3425 e = new DotIdExp(loc, e, id); | |
| 3426 } | |
| 3427 | |
| 3428 return e; | |
| 3429 } | |
| 3430 | |
| 3431 /***************************** TypeInstance *****************************/ | |
| 3432 | |
| 3433 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst) | |
| 3434 : TypeQualified(Tinstance, loc) | |
| 3435 { | |
| 3436 this->tempinst = tempinst; | |
| 3437 } | |
| 3438 | |
| 3439 Type *TypeInstance::syntaxCopy() | |
| 3440 { | |
| 3441 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim); | |
| 3442 TypeInstance *t; | |
| 3443 | |
| 3444 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL)); | |
| 3445 t->syntaxCopyHelper(this); | |
| 3446 return t; | |
| 3447 } | |
| 3448 | |
| 3449 | |
| 3450 void TypeInstance::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3451 { | |
| 3452 if (mod != this->mod) | |
| 3453 { toCBuffer3(buf, hgs, mod); | |
| 3454 return; | |
| 3455 } | |
| 3456 tempinst->toCBuffer(buf, hgs); | |
| 3457 toCBuffer2Helper(buf, hgs); | |
| 3458 } | |
| 3459 | |
| 3460 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 3461 { | |
| 3462 // Note close similarity to TypeIdentifier::resolve() | |
| 3463 | |
| 3464 Dsymbol *s; | |
| 3465 | |
| 3466 *pe = NULL; | |
| 3467 *pt = NULL; | |
| 3468 *ps = NULL; | |
| 3469 | |
| 3470 #if 0 | |
| 3471 if (!idents.dim) | |
| 3472 { | |
| 3473 error(loc, "template instance '%s' has no identifier", toChars()); | |
| 3474 return; | |
| 3475 } | |
| 3476 #endif | |
| 3477 //id = (Identifier *)idents.data[0]; | |
| 3478 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars()); | |
| 3479 s = tempinst; | |
| 3480 if (s) | |
| 3481 s->semantic(sc); | |
| 3482 resolveHelper(loc, sc, s, NULL, pe, pt, ps); | |
| 3483 //printf("pt = '%s'\n", (*pt)->toChars()); | |
| 3484 } | |
| 3485 | |
| 3486 Type *TypeInstance::semantic(Loc loc, Scope *sc) | |
| 3487 { | |
| 3488 Type *t; | |
| 3489 Expression *e; | |
| 3490 Dsymbol *s; | |
| 3491 | |
| 3492 //printf("TypeInstance::semantic(%s)\n", toChars()); | |
| 3493 | |
| 3494 if (sc->parameterSpecialization) | |
| 3495 { | |
| 3496 unsigned errors = global.errors; | |
| 3497 global.gag++; | |
| 3498 | |
| 3499 resolve(loc, sc, &e, &t, &s); | |
| 3500 | |
| 3501 global.gag--; | |
| 3502 if (errors != global.errors) | |
| 3503 { if (global.gag == 0) | |
| 3504 global.errors = errors; | |
| 3505 return this; | |
| 3506 } | |
| 3507 } | |
| 3508 else | |
| 3509 resolve(loc, sc, &e, &t, &s); | |
| 3510 | |
| 3511 if (!t) | |
| 3512 { | |
| 3513 #ifdef DEBUG | |
| 3514 printf("2: "); | |
| 3515 #endif | |
| 3516 error(loc, "%s is used as a type", toChars()); | |
| 3517 t = tvoid; | |
| 3518 } | |
| 3519 return t; | |
| 3520 } | |
| 3521 | |
| 3522 | |
| 3523 /***************************** TypeTypeof *****************************/ | |
| 3524 | |
| 3525 TypeTypeof::TypeTypeof(Loc loc, Expression *exp) | |
| 3526 : TypeQualified(Ttypeof, loc) | |
| 3527 { | |
| 3528 this->exp = exp; | |
| 3529 } | |
| 3530 | |
| 3531 Type *TypeTypeof::syntaxCopy() | |
| 3532 { | |
| 3533 TypeTypeof *t; | |
| 3534 | |
| 3535 t = new TypeTypeof(loc, exp->syntaxCopy()); | |
| 3536 t->syntaxCopyHelper(this); | |
| 3537 return t; | |
| 3538 } | |
| 3539 | |
| 3540 Dsymbol *TypeTypeof::toDsymbol(Scope *sc) | |
| 3541 { | |
| 3542 Type *t; | |
| 3543 | |
| 3544 t = semantic(0, sc); | |
| 3545 if (t == this) | |
| 3546 return NULL; | |
| 3547 return t->toDsymbol(sc); | |
| 3548 } | |
| 3549 | |
| 3550 void TypeTypeof::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3551 { | |
| 3552 if (mod != this->mod) | |
| 3553 { toCBuffer3(buf, hgs, mod); | |
| 3554 return; | |
| 3555 } | |
| 3556 buf->writestring("typeof("); | |
| 3557 exp->toCBuffer(buf, hgs); | |
| 3558 buf->writeByte(')'); | |
| 3559 toCBuffer2Helper(buf, hgs); | |
| 3560 } | |
| 3561 | |
| 3562 Type *TypeTypeof::semantic(Loc loc, Scope *sc) | |
| 3563 { Expression *e; | |
| 3564 Type *t; | |
| 3565 | |
| 3566 //printf("TypeTypeof::semantic() %p\n", this); | |
| 3567 | |
| 3568 //static int nest; if (++nest == 50) *(char*)0=0; | |
| 3569 | |
| 3570 #if 0 | |
| 3571 /* Special case for typeof(this) and typeof(super) since both | |
| 3572 * should work even if they are not inside a non-static member function | |
| 3573 */ | |
| 3574 if (exp->op == TOKthis || exp->op == TOKsuper) | |
| 3575 { | |
| 3576 // Find enclosing struct or class | |
| 3577 for (Dsymbol *s = sc->parent; 1; s = s->parent) | |
| 3578 { | |
| 3579 ClassDeclaration *cd; | |
| 3580 StructDeclaration *sd; | |
| 3581 | |
| 3582 if (!s) | |
| 3583 { | |
| 3584 error(loc, "%s is not in a struct or class scope", exp->toChars()); | |
| 3585 goto Lerr; | |
| 3586 } | |
| 3587 cd = s->isClassDeclaration(); | |
| 3588 if (cd) | |
| 3589 { | |
| 3590 if (exp->op == TOKsuper) | |
| 3591 { | |
| 3592 cd = cd->baseClass; | |
| 3593 if (!cd) | |
| 3594 { error(loc, "class %s has no 'super'", s->toChars()); | |
| 3595 goto Lerr; | |
| 3596 } | |
| 3597 } | |
| 3598 t = cd->type; | |
| 3599 break; | |
| 3600 } | |
| 3601 sd = s->isStructDeclaration(); | |
| 3602 if (sd) | |
| 3603 { | |
| 3604 if (exp->op == TOKsuper) | |
| 3605 { | |
| 3606 error(loc, "struct %s has no 'super'", sd->toChars()); | |
| 3607 goto Lerr; | |
| 3608 } | |
| 3609 t = sd->type->pointerTo(); | |
| 3610 break; | |
| 3611 } | |
| 3612 } | |
| 3613 } | |
| 3614 else | |
| 3615 #endif | |
| 3616 { | |
| 3617 sc->intypeof++; | |
| 3618 exp = exp->semantic(sc); | |
| 3619 sc->intypeof--; | |
| 3620 t = exp->type; | |
| 3621 if (!t) | |
| 3622 { | |
| 3623 error(loc, "expression (%s) has no type", exp->toChars()); | |
| 3624 goto Lerr; | |
| 3625 } | |
| 3626 } | |
| 3627 | |
| 3628 if (idents.dim) | |
| 3629 { | |
| 3630 Dsymbol *s = t->toDsymbol(sc); | |
| 3631 for (size_t i = 0; i < idents.dim; i++) | |
| 3632 { | |
| 3633 if (!s) | |
| 3634 break; | |
| 3635 Identifier *id = (Identifier *)idents.data[i]; | |
| 3636 s = s->searchX(loc, sc, id); | |
| 3637 } | |
| 3638 if (s) | |
| 3639 { | |
| 3640 t = s->getType(); | |
| 3641 if (!t) | |
| 3642 { error(loc, "%s is not a type", s->toChars()); | |
| 3643 goto Lerr; | |
| 3644 } | |
| 3645 } | |
| 3646 else | |
| 3647 { error(loc, "cannot resolve .property for %s", toChars()); | |
| 3648 goto Lerr; | |
| 3649 } | |
| 3650 } | |
| 3651 return t; | |
| 3652 | |
| 3653 Lerr: | |
| 3654 return tvoid; | |
| 3655 } | |
| 3656 | |
| 3657 d_uns64 TypeTypeof::size(Loc loc) | |
| 3658 { | |
| 3659 if (exp->type) | |
| 3660 return exp->type->size(loc); | |
| 3661 else | |
| 3662 return TypeQualified::size(loc); | |
| 3663 } | |
| 3664 | |
| 3665 | |
| 3666 | |
| 3667 /***************************** TypeEnum *****************************/ | |
| 3668 | |
| 3669 TypeEnum::TypeEnum(EnumDeclaration *sym) | |
| 3670 : Type(Tenum, NULL) | |
| 3671 { | |
| 3672 this->sym = sym; | |
| 3673 } | |
| 3674 | |
| 3675 char *TypeEnum::toChars() | |
| 3676 { | |
| 3677 return sym->toChars(); | |
| 3678 } | |
| 3679 | |
| 3680 Type *TypeEnum::semantic(Loc loc, Scope *sc) | |
| 3681 { | |
| 3682 sym->semantic(sc); | |
| 3683 return merge(); | |
| 3684 } | |
| 3685 | |
| 3686 d_uns64 TypeEnum::size(Loc loc) | |
| 3687 { | |
| 3688 if (!sym->memtype) | |
| 3689 { | |
| 3690 error(loc, "enum %s is forward referenced", sym->toChars()); | |
| 3691 return 4; | |
| 3692 } | |
| 3693 return sym->memtype->size(loc); | |
| 3694 } | |
| 3695 | |
| 3696 unsigned TypeEnum::alignsize() | |
| 3697 { | |
| 3698 if (!sym->memtype) | |
| 3699 { | |
| 3700 #ifdef DEBUG | |
| 3701 printf("1: "); | |
| 3702 #endif | |
| 3703 error(0, "enum %s is forward referenced", sym->toChars()); | |
| 3704 return 4; | |
| 3705 } | |
| 3706 return sym->memtype->alignsize(); | |
| 3707 } | |
| 3708 | |
| 3709 Dsymbol *TypeEnum::toDsymbol(Scope *sc) | |
| 3710 { | |
| 3711 return sym; | |
| 3712 } | |
| 3713 | |
| 3714 Type *TypeEnum::toBasetype() | |
| 3715 { | |
| 3716 if (!sym->memtype) | |
| 3717 { | |
| 3718 #ifdef DEBUG | |
| 3719 printf("2: "); | |
| 3720 #endif | |
| 3721 error(sym->loc, "enum %s is forward referenced", sym->toChars()); | |
| 3722 return tint32; | |
| 3723 } | |
| 3724 return sym->memtype->toBasetype(); | |
| 3725 } | |
| 3726 | |
| 3727 void TypeEnum::toDecoBuffer(OutBuffer *buf) | |
| 3728 { char *name; | |
| 3729 | |
| 3730 name = sym->mangle(); | |
| 3731 // if (name[0] == '_' && name[1] == 'D') | |
| 3732 // name += 2; | |
| 3733 buf->printf("%c%s", mangleChar[ty], name); | |
| 3734 } | |
| 3735 | |
| 3736 void TypeEnum::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3737 { | |
| 3738 if (mod != this->mod) | |
| 3739 { toCBuffer3(buf, hgs, mod); | |
| 3740 return; | |
| 3741 } | |
| 3742 buf->writestring(sym->toChars()); | |
| 3743 } | |
| 3744 | |
| 3745 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3746 { | |
| 3747 EnumMember *m; | |
| 3748 Dsymbol *s; | |
| 3749 Expression *em; | |
| 3750 | |
| 3751 #if LOGDOTEXP | |
| 3752 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3753 #endif | |
| 3754 if (!sym->symtab) | |
| 3755 goto Lfwd; | |
| 3756 s = sym->symtab->lookup(ident); | |
| 3757 if (!s) | |
| 3758 { | |
| 3759 return getProperty(e->loc, ident); | |
| 3760 } | |
| 3761 m = s->isEnumMember(); | |
| 3762 em = m->value->copy(); | |
| 3763 em->loc = e->loc; | |
| 3764 return em; | |
| 3765 | |
| 3766 Lfwd: | |
| 3767 error(e->loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3768 return new IntegerExp(0, 0, this); | |
| 3769 } | |
| 3770 | |
| 3771 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident) | |
| 3772 { Expression *e; | |
| 3773 | |
| 3774 if (ident == Id::max) | |
| 3775 { | |
| 3776 if (!sym->symtab) | |
| 3777 goto Lfwd; | |
| 3778 e = new IntegerExp(0, sym->maxval, this); | |
| 3779 } | |
| 3780 else if (ident == Id::min) | |
| 3781 { | |
| 3782 if (!sym->symtab) | |
| 3783 goto Lfwd; | |
| 3784 e = new IntegerExp(0, sym->minval, this); | |
| 3785 } | |
| 3786 else if (ident == Id::init) | |
| 3787 { | |
| 3788 if (!sym->symtab) | |
| 3789 goto Lfwd; | |
| 3790 e = defaultInit(loc); | |
| 3791 } | |
| 3792 else | |
| 3793 { | |
| 3794 if (!sym->memtype) | |
| 3795 goto Lfwd; | |
| 3796 e = sym->memtype->getProperty(loc, ident); | |
| 3797 } | |
| 3798 return e; | |
| 3799 | |
| 3800 Lfwd: | |
| 3801 error(loc, "forward reference of %s.%s", toChars(), ident->toChars()); | |
| 3802 return new IntegerExp(0, 0, this); | |
| 3803 } | |
| 3804 | |
| 3805 int TypeEnum::isintegral() | |
| 3806 { | |
| 3807 return 1; | |
| 3808 } | |
| 3809 | |
| 3810 int TypeEnum::isfloating() | |
| 3811 { | |
| 3812 return 0; | |
| 3813 } | |
| 3814 | |
| 3815 int TypeEnum::isunsigned() | |
| 3816 { | |
| 3817 return sym->memtype->isunsigned(); | |
| 3818 } | |
| 3819 | |
| 3820 int TypeEnum::isscalar() | |
| 3821 { | |
| 3822 return 1; | |
| 3823 //return sym->memtype->isscalar(); | |
| 3824 } | |
| 3825 | |
| 3826 MATCH TypeEnum::implicitConvTo(Type *to) | |
| 3827 { MATCH m; | |
| 3828 | |
| 3829 //printf("TypeEnum::implicitConvTo()\n"); | |
| 3830 if (this->equals(to)) | |
| 3831 m = MATCHexact; // exact match | |
| 3832 else if (sym->memtype->implicitConvTo(to)) | |
| 3833 m = MATCHconvert; // match with conversions | |
| 3834 else | |
| 3835 m = MATCHnomatch; // no match | |
| 3836 return m; | |
| 3837 } | |
| 3838 | |
| 3839 Expression *TypeEnum::defaultInit(Loc loc) | |
| 3840 { | |
| 3841 #if LOGDEFAULTINIT | |
| 3842 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 3843 #endif | |
| 3844 // Initialize to first member of enum | |
| 3845 Expression *e; | |
| 3846 e = new IntegerExp(loc, sym->defaultval, this); | |
| 3847 return e; | |
| 3848 } | |
| 3849 | |
| 3850 int TypeEnum::isZeroInit() | |
| 3851 { | |
| 3852 return (sym->defaultval == 0); | |
| 3853 } | |
| 3854 | |
| 3855 int TypeEnum::hasPointers() | |
| 3856 { | |
| 3857 return toBasetype()->hasPointers(); | |
| 3858 } | |
| 3859 | |
| 3860 /***************************** TypeTypedef *****************************/ | |
| 3861 | |
| 3862 TypeTypedef::TypeTypedef(TypedefDeclaration *sym) | |
| 3863 : Type(Ttypedef, NULL) | |
| 3864 { | |
| 3865 this->sym = sym; | |
| 3866 } | |
| 3867 | |
| 3868 Type *TypeTypedef::syntaxCopy() | |
| 3869 { | |
| 3870 return this; | |
| 3871 } | |
| 3872 | |
| 3873 char *TypeTypedef::toChars() | |
| 3874 { | |
| 3875 return sym->toChars(); | |
| 3876 } | |
| 3877 | |
| 3878 Type *TypeTypedef::semantic(Loc loc, Scope *sc) | |
| 3879 { | |
| 3880 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem); | |
| 3881 sym->semantic(sc); | |
| 3882 return merge(); | |
| 3883 } | |
| 3884 | |
| 3885 d_uns64 TypeTypedef::size(Loc loc) | |
| 3886 { | |
| 3887 return sym->basetype->size(loc); | |
| 3888 } | |
| 3889 | |
| 3890 unsigned TypeTypedef::alignsize() | |
| 3891 { | |
| 3892 return sym->basetype->alignsize(); | |
| 3893 } | |
| 3894 | |
| 3895 Dsymbol *TypeTypedef::toDsymbol(Scope *sc) | |
| 3896 { | |
| 3897 return sym; | |
| 3898 } | |
| 3899 | |
| 3900 void TypeTypedef::toDecoBuffer(OutBuffer *buf) | |
| 3901 { unsigned len; | |
| 3902 char *name; | |
| 3903 | |
| 3904 name = sym->mangle(); | |
| 3905 // if (name[0] == '_' && name[1] == 'D') | |
| 3906 // name += 2; | |
| 3907 //len = strlen(name); | |
| 3908 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 3909 buf->printf("%c%s", mangleChar[ty], name); | |
| 3910 } | |
| 3911 | |
| 3912 void TypeTypedef::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 3913 { | |
| 3914 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars()); | |
| 3915 if (mod != this->mod) | |
| 3916 { toCBuffer3(buf, hgs, mod); | |
| 3917 return; | |
| 3918 } | |
| 3919 buf->writestring(sym->toChars()); | |
| 3920 } | |
| 3921 | |
| 3922 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 3923 { | |
| 3924 #if LOGDOTEXP | |
| 3925 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars()); | |
| 3926 #endif | |
| 3927 if (ident == Id::init) | |
| 3928 { | |
| 3929 return Type::dotExp(sc, e, ident); | |
| 3930 } | |
| 3931 return sym->basetype->dotExp(sc, e, ident); | |
| 3932 } | |
| 3933 | |
| 3934 Expression *TypeTypedef::getProperty(Loc loc, Identifier *ident) | |
| 3935 { | |
| 3936 if (ident == Id::init) | |
| 3937 { | |
| 3938 return Type::getProperty(loc, ident); | |
| 3939 } | |
| 3940 return sym->basetype->getProperty(loc, ident); | |
| 3941 } | |
| 3942 | |
| 3943 int TypeTypedef::isbit() | |
| 3944 { | |
| 3945 return sym->basetype->isbit(); | |
| 3946 } | |
| 3947 | |
| 3948 int TypeTypedef::isintegral() | |
| 3949 { | |
| 3950 //printf("TypeTypedef::isintegral()\n"); | |
| 3951 //printf("sym = '%s'\n", sym->toChars()); | |
| 3952 //printf("basetype = '%s'\n", sym->basetype->toChars()); | |
| 3953 return sym->basetype->isintegral(); | |
| 3954 } | |
| 3955 | |
| 3956 int TypeTypedef::isfloating() | |
| 3957 { | |
| 3958 return sym->basetype->isfloating(); | |
| 3959 } | |
| 3960 | |
| 3961 int TypeTypedef::isreal() | |
| 3962 { | |
| 3963 return sym->basetype->isreal(); | |
| 3964 } | |
| 3965 | |
| 3966 int TypeTypedef::isimaginary() | |
| 3967 { | |
| 3968 return sym->basetype->isimaginary(); | |
| 3969 } | |
| 3970 | |
| 3971 int TypeTypedef::iscomplex() | |
| 3972 { | |
| 3973 return sym->basetype->iscomplex(); | |
| 3974 } | |
| 3975 | |
| 3976 int TypeTypedef::isunsigned() | |
| 3977 { | |
| 3978 return sym->basetype->isunsigned(); | |
| 3979 } | |
| 3980 | |
| 3981 int TypeTypedef::isscalar() | |
| 3982 { | |
| 3983 return sym->basetype->isscalar(); | |
| 3984 } | |
| 3985 | |
| 3986 int TypeTypedef::checkBoolean() | |
| 3987 { | |
| 3988 return sym->basetype->checkBoolean(); | |
| 3989 } | |
| 3990 | |
| 3991 Type *TypeTypedef::toBasetype() | |
| 3992 { | |
| 3993 if (sym->inuse) | |
| 3994 { | |
| 3995 sym->error("circular definition"); | |
| 3996 sym->basetype = Type::terror; | |
| 3997 return Type::terror; | |
| 3998 } | |
| 3999 sym->inuse = 1; | |
| 4000 Type *t = sym->basetype->toBasetype(); | |
| 4001 sym->inuse = 0; | |
| 4002 return t; | |
| 4003 } | |
| 4004 | |
| 4005 MATCH TypeTypedef::implicitConvTo(Type *to) | |
| 4006 { MATCH m; | |
| 4007 | |
| 4008 //printf("TypeTypedef::implicitConvTo()\n"); | |
| 4009 if (this->equals(to)) | |
| 4010 m = MATCHexact; // exact match | |
| 4011 else if (sym->basetype->implicitConvTo(to)) | |
| 4012 m = MATCHconvert; // match with conversions | |
| 4013 else | |
| 4014 m = MATCHnomatch; // no match | |
| 4015 return m; | |
| 4016 } | |
| 4017 | |
| 4018 Expression *TypeTypedef::defaultInit(Loc loc) | |
| 4019 { Expression *e; | |
| 4020 Type *bt; | |
| 4021 | |
| 4022 #if LOGDEFAULTINIT | |
| 4023 printf("TypeTypedef::defaultInit() '%s'\n", toChars()); | |
| 4024 #endif | |
| 4025 if (sym->init) | |
| 4026 { | |
| 4027 //sym->init->toExpression()->print(); | |
| 4028 return sym->init->toExpression(); | |
| 4029 } | |
| 4030 bt = sym->basetype; | |
| 4031 e = bt->defaultInit(loc); | |
| 4032 e->type = this; | |
| 4033 while (bt->ty == Tsarray) | |
| 4034 { | |
| 4035 e->type = bt->next; | |
| 4036 bt = bt->next->toBasetype(); | |
| 4037 } | |
| 4038 return e; | |
| 4039 } | |
| 4040 | |
| 4041 int TypeTypedef::isZeroInit() | |
| 4042 { | |
| 4043 if (sym->init) | |
| 4044 { | |
| 4045 if (sym->init->isVoidInitializer()) | |
| 4046 return 1; // initialize voids to 0 | |
| 4047 Expression *e = sym->init->toExpression(); | |
| 4048 if (e && e->isBool(FALSE)) | |
| 4049 return 1; | |
| 4050 return 0; // assume not | |
| 4051 } | |
| 4052 if (sym->inuse) | |
| 4053 { | |
| 4054 sym->error("circular definition"); | |
| 4055 sym->basetype = Type::terror; | |
| 4056 } | |
| 4057 sym->inuse = 1; | |
| 4058 int result = sym->basetype->isZeroInit(); | |
| 4059 sym->inuse = 0; | |
| 4060 return result; | |
| 4061 } | |
| 4062 | |
| 4063 int TypeTypedef::hasPointers() | |
| 4064 { | |
| 4065 return toBasetype()->hasPointers(); | |
| 4066 } | |
| 4067 | |
| 4068 /***************************** TypeStruct *****************************/ | |
| 4069 | |
| 4070 TypeStruct::TypeStruct(StructDeclaration *sym) | |
| 4071 : Type(Tstruct, NULL) | |
| 4072 { | |
| 4073 this->sym = sym; | |
| 4074 } | |
| 4075 | |
| 4076 char *TypeStruct::toChars() | |
| 4077 { | |
| 4078 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco); | |
| 4079 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4080 if (ti && ti->toAlias() == sym) | |
| 4081 return ti->toChars(); | |
| 4082 return sym->toChars(); | |
| 4083 } | |
| 4084 | |
| 4085 Type *TypeStruct::syntaxCopy() | |
| 4086 { | |
| 4087 return this; | |
| 4088 } | |
| 4089 | |
| 4090 Type *TypeStruct::semantic(Loc loc, Scope *sc) | |
| 4091 { | |
| 4092 //printf("TypeStruct::semantic('%s')\n", sym->toChars()); | |
| 4093 | |
| 4094 /* Cannot do semantic for sym because scope chain may not | |
| 4095 * be right. | |
| 4096 */ | |
| 4097 //sym->semantic(sc); | |
| 4098 | |
| 4099 return merge(); | |
| 4100 } | |
| 4101 | |
| 4102 d_uns64 TypeStruct::size(Loc loc) | |
| 4103 { | |
| 4104 return sym->size(loc); | |
| 4105 } | |
| 4106 | |
| 4107 unsigned TypeStruct::alignsize() | |
| 4108 { unsigned sz; | |
| 4109 | |
| 4110 sym->size(0); // give error for forward references | |
| 4111 sz = sym->alignsize; | |
| 4112 if (sz > sym->structalign) | |
| 4113 sz = sym->structalign; | |
| 4114 return sz; | |
| 4115 } | |
| 4116 | |
| 4117 Dsymbol *TypeStruct::toDsymbol(Scope *sc) | |
| 4118 { | |
| 4119 return sym; | |
| 4120 } | |
| 4121 | |
| 4122 void TypeStruct::toDecoBuffer(OutBuffer *buf) | |
| 4123 { unsigned len; | |
| 4124 char *name; | |
| 4125 | |
| 4126 name = sym->mangle(); | |
| 4127 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4128 // if (name[0] == '_' && name[1] == 'D') | |
| 4129 // name += 2; | |
| 4130 //len = strlen(name); | |
| 4131 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4132 buf->printf("%c%s", mangleChar[ty], name); | |
| 4133 } | |
| 4134 | |
| 4135 void TypeStruct::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4136 { | |
| 4137 if (mod != this->mod) | |
| 4138 { toCBuffer3(buf, hgs, mod); | |
| 4139 return; | |
| 4140 } | |
| 4141 TemplateInstance *ti = sym->parent->isTemplateInstance(); | |
| 4142 if (ti && ti->toAlias() == sym) | |
| 4143 buf->writestring(ti->toChars()); | |
| 4144 else | |
| 4145 buf->writestring(sym->toChars()); | |
| 4146 } | |
| 4147 | |
| 4148 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4149 { unsigned offset; | |
| 4150 | |
| 4151 Expression *b; | |
| 4152 VarDeclaration *v; | |
| 4153 Dsymbol *s; | |
| 4154 DotVarExp *de; | |
| 4155 Declaration *d; | |
| 4156 | |
| 4157 #if LOGDOTEXP | |
| 4158 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars()); | |
| 4159 #endif | |
| 4160 if (!sym->members) | |
| 4161 { | |
| 4162 error(e->loc, "struct %s is forward referenced", sym->toChars()); | |
| 4163 return new IntegerExp(e->loc, 0, Type::tint32); | |
| 4164 } | |
| 4165 | |
| 4166 if (ident == Id::tupleof) | |
| 4167 { | |
| 4168 /* Create a TupleExp | |
| 4169 */ | |
| 4170 Expressions *exps = new Expressions; | |
| 4171 exps->reserve(sym->fields.dim); | |
| 4172 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4173 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4174 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4175 exps->push(fe); | |
| 4176 } | |
| 4177 e = new TupleExp(e->loc, exps); | |
| 4178 e = e->semantic(sc); | |
| 4179 return e; | |
| 4180 } | |
| 4181 | |
| 4182 if (e->op == TOKdotexp) | |
| 4183 { DotExp *de = (DotExp *)e; | |
| 4184 | |
| 4185 if (de->e1->op == TOKimport) | |
| 4186 { | |
| 4187 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4188 | |
| 4189 s = se->sds->search(e->loc, ident, 0); | |
| 4190 e = de->e1; | |
| 4191 goto L1; | |
| 4192 } | |
| 4193 } | |
| 4194 | |
| 4195 s = sym->search(e->loc, ident, 0); | |
| 4196 L1: | |
| 4197 if (!s) | |
| 4198 { | |
| 4199 //return getProperty(e->loc, ident); | |
| 4200 return Type::dotExp(sc, e, ident); | |
| 4201 } | |
| 4202 s = s->toAlias(); | |
| 4203 | |
| 4204 v = s->isVarDeclaration(); | |
| 4205 if (v && v->isConst()) | |
| 4206 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4207 | |
| 4208 if (ei) | |
| 4209 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4210 e = e->semantic(sc); | |
| 4211 return e; | |
| 4212 } | |
| 4213 } | |
| 4214 | |
| 4215 if (s->getType()) | |
| 4216 { | |
| 4217 //return new DotTypeExp(e->loc, e, s); | |
| 4218 return new TypeExp(e->loc, s->getType()); | |
| 4219 } | |
| 4220 | |
| 4221 EnumMember *em = s->isEnumMember(); | |
| 4222 if (em) | |
| 4223 { | |
| 4224 assert(em->value); | |
| 4225 return em->value->copy(); | |
| 4226 } | |
| 4227 | |
| 4228 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4229 if (tm) | |
| 4230 { Expression *de; | |
| 4231 | |
| 4232 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4233 de->type = e->type; | |
| 4234 return de; | |
| 4235 } | |
| 4236 | |
| 4237 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4238 if (td) | |
| 4239 { | |
| 4240 e = new DotTemplateExp(e->loc, e, td); | |
| 4241 e->semantic(sc); | |
| 4242 return e; | |
| 4243 } | |
| 4244 | |
| 4245 TemplateInstance *ti = s->isTemplateInstance(); | |
| 4246 if (ti) | |
| 4247 { if (!ti->semanticdone) | |
| 4248 ti->semantic(sc); | |
| 4249 s = ti->inst->toAlias(); | |
| 4250 if (!s->isTemplateInstance()) | |
| 4251 goto L1; | |
| 4252 Expression *de = new DotExp(e->loc, e, new ScopeExp(e->loc, ti)); | |
| 4253 de->type = e->type; | |
| 4254 return de; | |
| 4255 } | |
| 4256 | |
| 4257 d = s->isDeclaration(); | |
| 4258 #ifdef DEBUG | |
| 4259 if (!d) | |
| 4260 printf("d = %s '%s'\n", s->kind(), s->toChars()); | |
| 4261 #endif | |
| 4262 assert(d); | |
| 4263 | |
| 4264 if (e->op == TOKtype) | |
| 4265 { FuncDeclaration *fd = sc->func; | |
| 4266 | |
| 4267 if (d->needThis() && fd && fd->vthis) | |
| 4268 { | |
| 4269 e = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4270 e = e->semantic(sc); | |
| 4271 return e; | |
| 4272 } | |
| 4273 if (d->isTupleDeclaration()) | |
| 4274 { | |
| 4275 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4276 e = e->semantic(sc); | |
| 4277 return e; | |
| 4278 } | |
| 4279 return new VarExp(e->loc, d); | |
| 4280 } | |
| 4281 | |
| 4282 if (d->isDataseg()) | |
| 4283 { | |
| 4284 // (e, d) | |
| 4285 VarExp *ve; | |
| 4286 | |
| 4287 accessCheck(e->loc, sc, e, d); | |
| 4288 ve = new VarExp(e->loc, d); | |
| 4289 e = new CommaExp(e->loc, e, ve); | |
| 4290 e->type = d->type; | |
| 4291 return e; | |
| 4292 } | |
| 4293 | |
| 4294 if (v) | |
| 4295 { | |
| 4296 if (v->toParent() != sym) | |
| 4297 sym->error(e->loc, "'%s' is not a member", v->toChars()); | |
| 4298 | |
| 4299 // *(&e + offset) | |
| 4300 accessCheck(e->loc, sc, e, d); | |
| 4301 b = new AddrExp(e->loc, e); | |
| 4302 b->type = e->type->pointerTo(); | |
| 4303 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32)); | |
| 4304 #if IN_LLVM | |
| 4305 // LLVMDC modification | |
| 4306 // this is *essential* | |
| 4307 ((AddExp*)b)->llvmFieldIndex = true; | |
| 4308 #endif | |
| 4309 b->type = v->type->pointerTo(); | |
| 4310 e = new PtrExp(e->loc, b); | |
| 4311 e->type = v->type; | |
| 4312 return e; | |
| 4313 } | |
| 4314 | |
| 4315 de = new DotVarExp(e->loc, e, d); | |
| 4316 return de->semantic(sc); | |
| 4317 } | |
| 4318 | |
| 4319 unsigned TypeStruct::memalign(unsigned salign) | |
| 4320 { | |
| 4321 sym->size(0); // give error for forward references | |
| 4322 return sym->structalign; | |
| 4323 } | |
| 4324 | |
| 4325 Expression *TypeStruct::defaultInit(Loc loc) | |
| 4326 { Symbol *s; | |
| 4327 Declaration *d; | |
| 4328 | |
| 4329 #if LOGDEFAULTINIT | |
| 4330 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 4331 #endif | |
| 4332 s = sym->toInitializer(); | |
| 4333 d = new SymbolDeclaration(sym->loc, s, sym); | |
| 4334 assert(d); | |
| 4335 d->type = this; | |
| 4336 return new VarExp(sym->loc, d); | |
| 4337 } | |
| 4338 | |
| 4339 int TypeStruct::isZeroInit() | |
| 4340 { | |
| 4341 return sym->zeroInit; | |
| 4342 } | |
| 4343 | |
| 4344 int TypeStruct::checkBoolean() | |
| 4345 { | |
| 4346 return FALSE; | |
| 4347 } | |
| 4348 | |
| 4349 int TypeStruct::hasPointers() | |
| 4350 { | |
| 4351 StructDeclaration *s = sym; | |
| 4352 | |
| 4353 sym->size(0); // give error for forward references | |
| 4354 if (s->members) | |
| 4355 { | |
| 4356 for (size_t i = 0; i < s->members->dim; i++) | |
| 4357 { | |
| 4358 Dsymbol *sm = (Dsymbol *)s->members->data[i]; | |
| 4359 if (sm->hasPointers()) | |
| 4360 return TRUE; | |
| 4361 } | |
| 4362 } | |
| 4363 return FALSE; | |
| 4364 } | |
| 4365 | |
| 4366 | |
| 4367 /***************************** TypeClass *****************************/ | |
| 4368 | |
| 4369 TypeClass::TypeClass(ClassDeclaration *sym) | |
| 4370 : Type(Tclass, NULL) | |
| 4371 { | |
| 4372 this->sym = sym; | |
| 4373 } | |
| 4374 | |
| 4375 char *TypeClass::toChars() | |
| 4376 { | |
| 4377 return sym->toPrettyChars(); | |
| 4378 } | |
| 4379 | |
| 4380 Type *TypeClass::syntaxCopy() | |
| 4381 { | |
| 4382 return this; | |
| 4383 } | |
| 4384 | |
| 4385 Type *TypeClass::semantic(Loc loc, Scope *sc) | |
| 4386 { | |
| 4387 //printf("TypeClass::semantic(%s)\n", sym->toChars()); | |
| 4388 if (sym->scope) | |
| 4389 sym->semantic(sym->scope); | |
| 4390 return merge(); | |
| 4391 } | |
| 4392 | |
| 4393 d_uns64 TypeClass::size(Loc loc) | |
| 4394 { | |
| 4395 return PTRSIZE; | |
| 4396 } | |
| 4397 | |
| 4398 Dsymbol *TypeClass::toDsymbol(Scope *sc) | |
| 4399 { | |
| 4400 return sym; | |
| 4401 } | |
| 4402 | |
| 4403 void TypeClass::toDecoBuffer(OutBuffer *buf) | |
| 4404 { unsigned len; | |
| 4405 char *name; | |
| 4406 | |
| 4407 name = sym->mangle(); | |
| 4408 // if (name[0] == '_' && name[1] == 'D') | |
| 4409 // name += 2; | |
| 4410 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 4411 //len = strlen(name); | |
| 4412 //buf->printf("%c%d%s", mangleChar[ty], len, name); | |
| 4413 buf->printf("%c%s", mangleChar[ty], name); | |
| 4414 } | |
| 4415 | |
| 4416 void TypeClass::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4417 { | |
| 4418 if (mod != this->mod) | |
| 4419 { toCBuffer3(buf, hgs, mod); | |
| 4420 return; | |
| 4421 } | |
| 4422 buf->writestring(sym->toChars()); | |
| 4423 } | |
| 4424 | |
| 4425 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident) | |
| 4426 { unsigned offset; | |
| 4427 | |
| 4428 Expression *b; | |
| 4429 VarDeclaration *v; | |
| 4430 Dsymbol *s; | |
| 4431 DotVarExp *de; | |
| 4432 Declaration *d; | |
| 4433 | |
| 4434 #if LOGDOTEXP | |
| 4435 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars()); | |
| 4436 #endif | |
| 4437 | |
| 4438 if (e->op == TOKdotexp) | |
| 4439 { DotExp *de = (DotExp *)e; | |
| 4440 | |
| 4441 if (de->e1->op == TOKimport) | |
| 4442 { | |
| 4443 ScopeExp *se = (ScopeExp *)de->e1; | |
| 4444 | |
| 4445 s = se->sds->search(e->loc, ident, 0); | |
| 4446 e = de->e1; | |
| 4447 goto L1; | |
| 4448 } | |
| 4449 } | |
| 4450 | |
| 4451 if (ident == Id::tupleof) | |
| 4452 { | |
| 4453 /* Create a TupleExp | |
| 4454 */ | |
| 4455 Expressions *exps = new Expressions; | |
| 4456 exps->reserve(sym->fields.dim); | |
| 4457 for (size_t i = 0; i < sym->fields.dim; i++) | |
| 4458 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i]; | |
| 4459 Expression *fe = new DotVarExp(e->loc, e, v); | |
| 4460 exps->push(fe); | |
| 4461 } | |
| 4462 e = new TupleExp(e->loc, exps); | |
| 4463 e = e->semantic(sc); | |
| 4464 return e; | |
| 4465 } | |
| 4466 | |
| 4467 s = sym->search(e->loc, ident, 0); | |
| 4468 L1: | |
| 4469 if (!s) | |
| 4470 { | |
| 4471 // See if it's a base class | |
| 4472 ClassDeclaration *cbase; | |
| 4473 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass) | |
| 4474 { | |
| 4475 if (cbase->ident->equals(ident)) | |
| 4476 { | |
| 4477 e = new DotTypeExp(0, e, cbase); | |
| 4478 return e; | |
| 4479 } | |
| 4480 } | |
| 4481 | |
| 4482 if (ident == Id::classinfo) | |
| 4483 { | |
| 4484 Type *t; | |
| 4485 | |
| 4486 assert(ClassDeclaration::classinfo); | |
| 4487 t = ClassDeclaration::classinfo->type; | |
| 4488 if (e->op == TOKtype || e->op == TOKdottype) | |
| 4489 { | |
| 4490 /* For type.classinfo, we know the classinfo | |
| 4491 * at compile time. | |
| 4492 */ | |
| 4493 if (!sym->vclassinfo) | |
| 4494 sym->vclassinfo = new ClassInfoDeclaration(sym); | |
| 4495 e = new VarExp(e->loc, sym->vclassinfo); | |
| 4496 e = e->addressOf(sc); | |
| 4497 e->type = t; // do this so we don't get redundant dereference | |
| 4498 } | |
| 4499 else | |
| 4500 { | |
| 4501 /* For class objects, the classinfo reference is the first | |
| 4502 * entry in the vtbl[] | |
| 4503 */ | |
| 4504 #if IN_LLVM | |
| 4505 | |
| 4506 Type* ct; | |
| 4507 if (sym->isInterfaceDeclaration()) { | |
| 4508 ct = t->pointerTo()->pointerTo()->pointerTo(); | |
| 4509 } | |
| 4510 else { | |
| 4511 ct = t->pointerTo()->pointerTo(); | |
| 4512 } | |
| 4513 | |
| 4514 e = e->castTo(sc, ct); | |
| 4515 e = new PtrExp(e->loc, e); | |
| 4516 e->type = ct->next; | |
| 4517 e = new PtrExp(e->loc, e); | |
| 4518 e->type = ct->next->next; | |
| 4519 | |
| 4520 if (sym->isInterfaceDeclaration()) | |
| 4521 { | |
| 4522 if (sym->isCOMinterface()) | |
| 4523 { /* COM interface vtbl[]s are different in that the | |
| 4524 * first entry is always pointer to QueryInterface(). | |
| 4525 * We can't get a .classinfo for it. | |
| 4526 */ | |
| 4527 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4528 } | |
| 4529 /* For an interface, the first entry in the vtbl[] | |
| 4530 * is actually a pointer to an instance of struct Interface. | |
| 4531 * The first member of Interface is the .classinfo, | |
| 4532 * so add an extra pointer indirection. | |
| 4533 */ | |
| 4534 e = new PtrExp(e->loc, e); | |
| 4535 e->type = ct->next->next->next; | |
| 4536 } | |
| 4537 | |
| 4538 #else | |
| 4539 | |
| 4540 e = new PtrExp(e->loc, e); | |
| 4541 e->type = t->pointerTo(); | |
| 4542 if (sym->isInterfaceDeclaration()) | |
| 4543 { | |
| 4544 if (sym->isCOMinterface()) | |
| 4545 { /* COM interface vtbl[]s are different in that the | |
| 4546 * first entry is always pointer to QueryInterface(). | |
| 4547 * We can't get a .classinfo for it. | |
| 4548 */ | |
| 4549 error(e->loc, "no .classinfo for COM interface objects"); | |
| 4550 } | |
| 4551 /* For an interface, the first entry in the vtbl[] | |
| 4552 * is actually a pointer to an instance of struct Interface. | |
| 4553 * The first member of Interface is the .classinfo, | |
| 4554 * so add an extra pointer indirection. | |
| 4555 */ | |
| 4556 e->type = e->type->pointerTo(); | |
| 4557 e = new PtrExp(e->loc, e); | |
| 4558 e->type = t->pointerTo(); | |
| 4559 } | |
| 4560 e = new PtrExp(e->loc, e, t); | |
| 4561 | |
| 4562 #endif | |
| 4563 } | |
| 4564 return e; | |
| 4565 } | |
| 4566 | |
| 4567 if (ident == Id::typeinfo) | |
| 4568 { | |
| 4569 if (!global.params.useDeprecated) | |
| 4570 error(e->loc, ".typeinfo deprecated, use typeid(type)"); | |
| 4571 return getTypeInfo(sc); | |
| 4572 } | |
| 4573 if (ident == Id::outer && sym->vthis) | |
| 4574 { | |
| 4575 s = sym->vthis; | |
| 4576 } | |
| 4577 else | |
| 4578 { | |
| 4579 //return getProperty(e->loc, ident); | |
| 4580 return Type::dotExp(sc, e, ident); | |
| 4581 } | |
| 4582 } | |
| 4583 s = s->toAlias(); | |
| 4584 v = s->isVarDeclaration(); | |
| 4585 if (v && v->isConst()) | |
| 4586 { ExpInitializer *ei = v->getExpInitializer(); | |
| 4587 | |
| 4588 if (ei) | |
| 4589 { e = ei->exp->copy(); // need to copy it if it's a StringExp | |
| 4590 e = e->semantic(sc); | |
| 4591 return e; | |
| 4592 } | |
| 4593 } | |
| 4594 | |
| 4595 if (s->getType()) | |
| 4596 { | |
| 4597 // if (e->op == TOKtype) | |
| 4598 return new TypeExp(e->loc, s->getType()); | |
| 4599 // return new DotTypeExp(e->loc, e, s); | |
| 4600 } | |
| 4601 | |
| 4602 EnumMember *em = s->isEnumMember(); | |
| 4603 if (em) | |
| 4604 { | |
| 4605 assert(em->value); | |
| 4606 return em->value->copy(); | |
| 4607 } | |
| 4608 | |
| 4609 TemplateMixin *tm = s->isTemplateMixin(); | |
| 4610 if (tm) | |
| 4611 { Expression *de; | |
| 4612 | |
| 4613 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm)); | |
| 4614 de->type = e->type; | |
| 4615 return de; | |
| 4616 } | |
| 4617 | |
| 4618 TemplateDeclaration *td = s->isTemplateDeclaration(); | |
| 4619 if (td) | |
| 4620 { | |
| 4621 e = new DotTemplateExp(e->loc, e, td); | |
| 4622 e->semantic(sc); | |
| 4623 return e; | |
| 4624 } | |
| 4625 | |
| 4626 TemplateInstance *ti = s->isTemplateInstance(); | |
| 4627 if (ti) | |
| 4628 { if (!ti->semanticdone) | |
| 4629 ti->semantic(sc); | |
| 4630 s = ti->inst->toAlias(); | |
| 4631 if (!s->isTemplateInstance()) | |
| 4632 goto L1; | |
| 4633 Expression *de = new DotExp(e->loc, e, new ScopeExp(e->loc, ti)); | |
| 4634 de->type = e->type; | |
| 4635 return de; | |
| 4636 } | |
| 4637 | |
| 4638 d = s->isDeclaration(); | |
| 4639 if (!d) | |
| 4640 { | |
| 4641 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars()); | |
| 4642 return new IntegerExp(e->loc, 1, Type::tint32); | |
| 4643 } | |
| 4644 | |
| 4645 if (e->op == TOKtype) | |
| 4646 { | |
| 4647 VarExp *ve; | |
| 4648 | |
| 4649 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration())) | |
| 4650 { | |
| 4651 if (sc->func) | |
| 4652 { | |
| 4653 ClassDeclaration *thiscd; | |
| 4654 thiscd = sc->func->toParent()->isClassDeclaration(); | |
| 4655 | |
| 4656 if (thiscd) | |
| 4657 { | |
| 4658 ClassDeclaration *cd = e->type->isClassHandle(); | |
| 4659 | |
| 4660 if (cd == thiscd) | |
| 4661 { | |
| 4662 e = new ThisExp(e->loc); | |
| 4663 e = new DotTypeExp(e->loc, e, cd); | |
| 4664 de = new DotVarExp(e->loc, e, d); | |
| 4665 e = de->semantic(sc); | |
| 4666 return e; | |
| 4667 } | |
| 4668 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) && | |
| 4669 !d->isFuncDeclaration()) | |
| 4670 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars()); | |
| 4671 } | |
| 4672 } | |
| 4673 | |
| 4674 de = new DotVarExp(e->loc, new ThisExp(e->loc), d); | |
| 4675 e = de->semantic(sc); | |
| 4676 return e; | |
| 4677 } | |
| 4678 else if (d->isTupleDeclaration()) | |
| 4679 { | |
| 4680 e = new TupleExp(e->loc, d->isTupleDeclaration()); | |
| 4681 e = e->semantic(sc); | |
| 4682 return e; | |
| 4683 } | |
| 4684 else | |
| 4685 ve = new VarExp(e->loc, d); | |
| 4686 return ve; | |
| 4687 } | |
| 4688 | |
| 4689 if (d->isDataseg()) | |
| 4690 { | |
| 4691 // (e, d) | |
| 4692 VarExp *ve; | |
| 4693 | |
| 4694 accessCheck(e->loc, sc, e, d); | |
| 4695 ve = new VarExp(e->loc, d); | |
| 4696 e = new CommaExp(e->loc, e, ve); | |
| 4697 e->type = d->type; | |
| 4698 return e; | |
| 4699 } | |
| 4700 | |
| 4701 if (d->parent && d->toParent()->isModule()) | |
| 4702 { | |
| 4703 // (e, d) | |
| 4704 VarExp *ve; | |
| 4705 | |
| 4706 ve = new VarExp(e->loc, d); | |
| 4707 e = new CommaExp(e->loc, e, ve); | |
| 4708 e->type = d->type; | |
| 4709 return e; | |
| 4710 } | |
| 4711 | |
| 4712 de = new DotVarExp(e->loc, e, d); | |
| 4713 return de->semantic(sc); | |
| 4714 } | |
| 4715 | |
| 4716 ClassDeclaration *TypeClass::isClassHandle() | |
| 4717 { | |
| 4718 return sym; | |
| 4719 } | |
| 4720 | |
| 4721 int TypeClass::isauto() | |
| 4722 { | |
| 4723 return sym->isauto; | |
| 4724 } | |
| 4725 | |
| 4726 int TypeClass::isBaseOf(Type *t, int *poffset) | |
| 4727 { | |
| 4728 if (t->ty == Tclass) | |
| 4729 { ClassDeclaration *cd; | |
| 4730 | |
| 4731 cd = ((TypeClass *)t)->sym; | |
| 4732 if (sym->isBaseOf(cd, poffset)) | |
| 4733 return 1; | |
| 4734 } | |
| 4735 return 0; | |
| 4736 } | |
| 4737 | |
| 4738 MATCH TypeClass::implicitConvTo(Type *to) | |
| 4739 { | |
| 4740 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars()); | |
| 4741 if (this == to) | |
| 4742 return MATCHexact; | |
| 4743 | |
| 4744 ClassDeclaration *cdto = to->isClassHandle(); | |
| 4745 if (cdto && cdto->isBaseOf(sym, NULL)) | |
| 4746 { //printf("is base\n"); | |
| 4747 return MATCHconvert; | |
| 4748 } | |
| 4749 | |
| 4750 if (global.params.Dversion == 1) | |
| 4751 { | |
| 4752 // Allow conversion to (void *) | |
| 4753 if (to->ty == Tpointer && to->next->ty == Tvoid) | |
| 4754 return MATCHconvert; | |
| 4755 } | |
| 4756 | |
| 4757 return MATCHnomatch; | |
| 4758 } | |
| 4759 | |
| 4760 Expression *TypeClass::defaultInit(Loc loc) | |
| 4761 { | |
| 4762 #if LOGDEFAULTINIT | |
| 4763 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 4764 #endif | |
| 4765 Expression *e; | |
| 4766 e = new NullExp(loc); | |
| 4767 e->type = this; | |
| 4768 return e; | |
| 4769 } | |
| 4770 | |
| 4771 int TypeClass::isZeroInit() | |
| 4772 { | |
| 4773 return 1; | |
| 4774 } | |
| 4775 | |
| 4776 int TypeClass::checkBoolean() | |
| 4777 { | |
| 4778 return TRUE; | |
| 4779 } | |
| 4780 | |
| 4781 int TypeClass::hasPointers() | |
| 4782 { | |
| 4783 return TRUE; | |
| 4784 } | |
| 4785 | |
| 4786 /***************************** TypeTuple *****************************/ | |
| 4787 | |
| 4788 TypeTuple::TypeTuple(Arguments *arguments) | |
| 4789 : Type(Ttuple, NULL) | |
| 4790 { | |
| 4791 //printf("TypeTuple(this = %p)\n", this); | |
| 4792 this->arguments = arguments; | |
| 4793 #ifdef DEBUG | |
| 4794 if (arguments) | |
| 4795 { | |
| 4796 for (size_t i = 0; i < arguments->dim; i++) | |
| 4797 { | |
| 4798 Argument *arg = (Argument *)arguments->data[i]; | |
| 4799 assert(arg && arg->type); | |
| 4800 } | |
| 4801 } | |
| 4802 #endif | |
| 4803 } | |
| 4804 | |
| 4805 /**************** | |
| 4806 * Form TypeTuple from the types of the expressions. | |
| 4807 * Assume exps[] is already tuple expanded. | |
| 4808 */ | |
| 4809 | |
| 4810 TypeTuple::TypeTuple(Expressions *exps) | |
| 4811 : Type(Ttuple, NULL) | |
| 4812 { | |
| 4813 Arguments *arguments = new Arguments; | |
| 4814 if (exps) | |
| 4815 { | |
| 4816 arguments->setDim(exps->dim); | |
| 4817 for (size_t i = 0; i < exps->dim; i++) | |
| 4818 { Expression *e = (Expression *)exps->data[i]; | |
| 4819 if (e->type->ty == Ttuple) | |
| 4820 e->error("cannot form tuple of tuples"); | |
| 4821 Argument *arg = new Argument(STCin, e->type, NULL, NULL); | |
| 4822 arguments->data[i] = (void *)arg; | |
| 4823 } | |
| 4824 } | |
| 4825 this->arguments = arguments; | |
| 4826 } | |
| 4827 | |
| 4828 Type *TypeTuple::syntaxCopy() | |
| 4829 { | |
| 4830 Arguments *args = Argument::arraySyntaxCopy(arguments); | |
| 4831 Type *t = new TypeTuple(args); | |
| 4832 return t; | |
| 4833 } | |
| 4834 | |
| 4835 Type *TypeTuple::semantic(Loc loc, Scope *sc) | |
| 4836 { | |
| 4837 //printf("TypeTuple::semantic(this = %p)\n", this); | |
| 4838 if (!deco) | |
| 4839 deco = merge()->deco; | |
| 4840 | |
| 4841 /* Don't return merge(), because a tuple with one type has the | |
| 4842 * same deco as that type. | |
| 4843 */ | |
| 4844 return this; | |
| 4845 } | |
| 4846 | |
| 4847 int TypeTuple::equals(Object *o) | |
| 4848 { Type *t; | |
| 4849 | |
| 4850 t = (Type *)o; | |
| 4851 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars()); | |
| 4852 if (this == t) | |
| 4853 { | |
| 4854 return 1; | |
| 4855 } | |
| 4856 if (t->ty == Ttuple) | |
| 4857 { TypeTuple *tt = (TypeTuple *)t; | |
| 4858 | |
| 4859 if (arguments->dim == tt->arguments->dim) | |
| 4860 { | |
| 4861 for (size_t i = 0; i < tt->arguments->dim; i++) | |
| 4862 { Argument *arg1 = (Argument *)arguments->data[i]; | |
| 4863 Argument *arg2 = (Argument *)tt->arguments->data[i]; | |
| 4864 | |
| 4865 if (!arg1->type->equals(arg2->type)) | |
| 4866 return 0; | |
| 4867 } | |
| 4868 return 1; | |
| 4869 } | |
| 4870 } | |
| 4871 return 0; | |
| 4872 } | |
| 4873 | |
| 4874 Type *TypeTuple::reliesOnTident() | |
| 4875 { | |
| 4876 if (arguments) | |
| 4877 { | |
| 4878 for (size_t i = 0; i < arguments->dim; i++) | |
| 4879 { | |
| 4880 Argument *arg = (Argument *)arguments->data[i]; | |
| 4881 Type *t = arg->type->reliesOnTident(); | |
| 4882 if (t) | |
| 4883 return t; | |
| 4884 } | |
| 4885 } | |
| 4886 return NULL; | |
| 4887 } | |
| 4888 | |
| 4889 void TypeTuple::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 4890 { | |
| 4891 Argument::argsToCBuffer(buf, hgs, arguments, 0); | |
| 4892 } | |
| 4893 | |
| 4894 void TypeTuple::toDecoBuffer(OutBuffer *buf) | |
| 4895 { | |
| 4896 //printf("TypeTuple::toDecoBuffer() this = %p\n", this); | |
| 4897 OutBuffer buf2; | |
| 4898 Argument::argsToDecoBuffer(&buf2, arguments); | |
| 4899 unsigned len = buf2.offset; | |
| 4900 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData()); | |
| 4901 } | |
| 4902 | |
| 4903 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident) | |
| 4904 { Expression *e; | |
| 4905 | |
| 4906 #if LOGDOTEXP | |
| 4907 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars()); | |
| 4908 #endif | |
| 4909 if (ident == Id::length) | |
| 4910 { | |
| 4911 e = new IntegerExp(loc, arguments->dim, Type::tsize_t); | |
| 4912 } | |
| 4913 else | |
| 4914 { | |
| 4915 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars()); | |
| 4916 e = new IntegerExp(loc, 1, Type::tint32); | |
| 4917 } | |
| 4918 return e; | |
| 4919 } | |
| 4920 | |
| 4921 /***************************** TypeSlice *****************************/ | |
| 4922 | |
| 4923 /* This is so we can slice a TypeTuple */ | |
| 4924 | |
| 4925 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr) | |
| 4926 : Type(Tslice, next) | |
| 4927 { | |
| 4928 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars()); | |
| 4929 this->lwr = lwr; | |
| 4930 this->upr = upr; | |
| 4931 } | |
| 4932 | |
| 4933 Type *TypeSlice::syntaxCopy() | |
| 4934 { | |
| 4935 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy()); | |
| 4936 return t; | |
| 4937 } | |
| 4938 | |
| 4939 Type *TypeSlice::semantic(Loc loc, Scope *sc) | |
| 4940 { | |
| 4941 //printf("TypeSlice::semantic() %s\n", toChars()); | |
| 4942 next = next->semantic(loc, sc); | |
| 4943 //printf("next: %s\n", next->toChars()); | |
| 4944 | |
| 4945 Type *tbn = next->toBasetype(); | |
| 4946 if (tbn->ty != Ttuple) | |
| 4947 { error(loc, "can only slice tuple types, not %s", tbn->toChars()); | |
| 4948 return Type::terror; | |
| 4949 } | |
| 4950 TypeTuple *tt = (TypeTuple *)tbn; | |
| 4951 | |
| 4952 lwr = semanticLength(sc, tbn, lwr); | |
| 4953 lwr = lwr->optimize(WANTvalue); | |
| 4954 uinteger_t i1 = lwr->toUInteger(); | |
| 4955 | |
| 4956 upr = semanticLength(sc, tbn, upr); | |
| 4957 upr = upr->optimize(WANTvalue); | |
| 4958 uinteger_t i2 = upr->toUInteger(); | |
| 4959 | |
| 4960 if (!(i1 <= i2 && i2 <= tt->arguments->dim)) | |
| 4961 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim); | |
| 4962 return Type::terror; | |
| 4963 } | |
| 4964 | |
| 4965 Arguments *args = new Arguments; | |
| 4966 args->reserve(i2 - i1); | |
| 4967 for (size_t i = i1; i < i2; i++) | |
| 4968 { Argument *arg = (Argument *)tt->arguments->data[i]; | |
| 4969 args->push(arg); | |
| 4970 } | |
| 4971 | |
| 4972 return new TypeTuple(args); | |
| 4973 } | |
| 4974 | |
| 4975 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps) | |
| 4976 { | |
| 4977 next->resolve(loc, sc, pe, pt, ps); | |
| 4978 if (*pe) | |
| 4979 { // It's really a slice expression | |
| 4980 Expression *e; | |
| 4981 e = new SliceExp(loc, *pe, lwr, upr); | |
| 4982 *pe = e; | |
| 4983 } | |
| 4984 else if (*ps) | |
| 4985 { Dsymbol *s = *ps; | |
| 4986 TupleDeclaration *td = s->isTupleDeclaration(); | |
| 4987 if (td) | |
| 4988 { | |
| 4989 /* It's a slice of a TupleDeclaration | |
| 4990 */ | |
| 4991 ScopeDsymbol *sym = new ArrayScopeSymbol(td); | |
| 4992 sym->parent = sc->scopesym; | |
| 4993 sc = sc->push(sym); | |
| 4994 | |
| 4995 lwr = lwr->semantic(sc); | |
| 4996 lwr = lwr->optimize(WANTvalue); | |
| 4997 uinteger_t i1 = lwr->toUInteger(); | |
| 4998 | |
| 4999 upr = upr->semantic(sc); | |
| 5000 upr = upr->optimize(WANTvalue); | |
| 5001 uinteger_t i2 = upr->toUInteger(); | |
| 5002 | |
| 5003 sc = sc->pop(); | |
| 5004 | |
| 5005 if (!(i1 <= i2 && i2 <= td->objects->dim)) | |
| 5006 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim); | |
| 5007 goto Ldefault; | |
| 5008 } | |
| 5009 | |
| 5010 if (i1 == 0 && i2 == td->objects->dim) | |
| 5011 { | |
| 5012 *ps = td; | |
| 5013 return; | |
| 5014 } | |
| 5015 | |
| 5016 /* Create a new TupleDeclaration which | |
| 5017 * is a slice [i1..i2] out of the old one. | |
| 5018 */ | |
| 5019 Objects *objects = new Objects; | |
| 5020 objects->setDim(i2 - i1); | |
| 5021 for (size_t i = 0; i < objects->dim; i++) | |
| 5022 { | |
| 5023 objects->data[i] = td->objects->data[(size_t)i1 + i]; | |
| 5024 } | |
| 5025 | |
| 5026 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects); | |
| 5027 *ps = tds; | |
| 5028 } | |
| 5029 else | |
| 5030 goto Ldefault; | |
| 5031 } | |
| 5032 else | |
| 5033 { | |
| 5034 Ldefault: | |
| 5035 Type::resolve(loc, sc, pe, pt, ps); | |
| 5036 } | |
| 5037 } | |
| 5038 | |
| 5039 void TypeSlice::toCBuffer2(OutBuffer *buf, HdrGenState *hgs, int mod) | |
| 5040 { | |
| 5041 if (mod != this->mod) | |
| 5042 { toCBuffer3(buf, hgs, mod); | |
| 5043 return; | |
| 5044 } | |
| 5045 next->toCBuffer2(buf, hgs, this->mod); | |
| 5046 | |
| 5047 buf->printf("[%s .. ", lwr->toChars()); | |
| 5048 buf->printf("%s]", upr->toChars()); | |
| 5049 } | |
| 5050 | |
| 5051 /***************************** Argument *****************************/ | |
| 5052 | |
| 5053 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg) | |
| 5054 { | |
| 5055 this->type = type; | |
| 5056 this->ident = ident; | |
| 5057 this->storageClass = storageClass; | |
| 5058 this->defaultArg = defaultArg; | |
|
217
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
lindquist
parents:
211
diff
changeset
|
5059 this->llvmByVal = false; |
| 159 | 5060 } |
| 5061 | |
| 5062 Argument *Argument::syntaxCopy() | |
| 5063 { | |
| 5064 Argument *a = new Argument(storageClass, | |
| 5065 type ? type->syntaxCopy() : NULL, | |
| 5066 ident, | |
| 5067 defaultArg ? defaultArg->syntaxCopy() : NULL); | |
|
217
0806379a5eca
[svn r233] Added: -oq command line option for writing fully qualified object names.
lindquist
parents:
211
diff
changeset
|
5068 a->llvmByVal = llvmByVal; |
| 159 | 5069 return a; |
| 5070 } | |
| 5071 | |
| 5072 Arguments *Argument::arraySyntaxCopy(Arguments *args) | |
| 5073 { Arguments *a = NULL; | |
| 5074 | |
| 5075 if (args) | |
| 5076 { | |
| 5077 a = new Arguments(); | |
| 5078 a->setDim(args->dim); | |
| 5079 for (size_t i = 0; i < a->dim; i++) | |
| 5080 { Argument *arg = (Argument *)args->data[i]; | |
| 5081 | |
| 5082 arg = arg->syntaxCopy(); | |
| 5083 a->data[i] = (void *)arg; | |
| 5084 } | |
| 5085 } | |
| 5086 return a; | |
| 5087 } | |
| 5088 | |
| 5089 char *Argument::argsTypesToChars(Arguments *args, int varargs) | |
| 5090 { OutBuffer *buf; | |
| 5091 | |
| 5092 buf = new OutBuffer(); | |
| 5093 | |
| 5094 buf->writeByte('('); | |
| 5095 if (args) | |
| 5096 { int i; | |
| 5097 OutBuffer argbuf; | |
| 5098 HdrGenState hgs; | |
| 5099 | |
| 5100 for (i = 0; i < args->dim; i++) | |
| 5101 { Argument *arg; | |
| 5102 | |
| 5103 if (i) | |
| 5104 buf->writeByte(','); | |
| 5105 arg = (Argument *)args->data[i]; | |
| 5106 argbuf.reset(); | |
| 5107 arg->type->toCBuffer2(&argbuf, &hgs, 0); | |
| 5108 buf->write(&argbuf); | |
| 5109 } | |
| 5110 if (varargs) | |
| 5111 { | |
| 5112 if (i && varargs == 1) | |
| 5113 buf->writeByte(','); | |
| 5114 buf->writestring("..."); | |
| 5115 } | |
| 5116 } | |
| 5117 buf->writeByte(')'); | |
| 5118 | |
| 5119 return buf->toChars(); | |
| 5120 } | |
| 5121 | |
| 5122 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs) | |
| 5123 { | |
| 5124 buf->writeByte('('); | |
| 5125 if (arguments) | |
| 5126 { int i; | |
| 5127 OutBuffer argbuf; | |
| 5128 | |
| 5129 for (i = 0; i < arguments->dim; i++) | |
| 5130 { Argument *arg; | |
| 5131 | |
| 5132 if (i) | |
| 5133 buf->writestring(", "); | |
| 5134 arg = (Argument *)arguments->data[i]; | |
| 5135 if (arg->storageClass & STCout) | |
| 5136 buf->writestring("out "); | |
| 5137 else if (arg->storageClass & STCref) | |
| 5138 buf->writestring((global.params.Dversion == 1) | |
| 5139 ? (char *)"inout " : (char *)"ref "); | |
| 5140 else if (arg->storageClass & STClazy) | |
| 5141 buf->writestring("lazy "); | |
| 5142 argbuf.reset(); | |
| 5143 arg->type->toCBuffer(&argbuf, arg->ident, hgs); | |
| 5144 if (arg->defaultArg) | |
| 5145 { | |
| 5146 argbuf.writestring(" = "); | |
| 5147 arg->defaultArg->toCBuffer(&argbuf, hgs); | |
| 5148 } | |
| 5149 buf->write(&argbuf); | |
| 5150 } | |
| 5151 if (varargs) | |
| 5152 { | |
| 5153 if (i && varargs == 1) | |
| 5154 buf->writeByte(','); | |
| 5155 buf->writestring("..."); | |
| 5156 } | |
| 5157 } | |
| 5158 buf->writeByte(')'); | |
| 5159 } | |
| 5160 | |
| 5161 | |
| 5162 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments) | |
| 5163 { | |
| 5164 //printf("Argument::argsToDecoBuffer()\n"); | |
| 5165 | |
| 5166 // Write argument types | |
| 5167 if (arguments) | |
| 5168 { | |
| 5169 size_t dim = Argument::dim(arguments); | |
| 5170 for (size_t i = 0; i < dim; i++) | |
| 5171 { | |
| 5172 Argument *arg = Argument::getNth(arguments, i); | |
| 5173 arg->toDecoBuffer(buf); | |
| 5174 } | |
| 5175 } | |
| 5176 } | |
| 5177 | |
| 5178 /**************************************************** | |
| 5179 * Determine if parameter is a lazy array of delegates. | |
| 5180 * If so, return the return type of those delegates. | |
| 5181 * If not, return NULL. | |
| 5182 */ | |
| 5183 | |
| 5184 Type *Argument::isLazyArray() | |
| 5185 { | |
| 5186 // if (inout == Lazy) | |
| 5187 { | |
| 5188 Type *tb = type->toBasetype(); | |
| 5189 if (tb->ty == Tsarray || tb->ty == Tarray) | |
| 5190 { | |
| 5191 Type *tel = tb->next->toBasetype(); | |
| 5192 if (tel->ty == Tdelegate) | |
| 5193 { | |
| 5194 TypeDelegate *td = (TypeDelegate *)tel; | |
| 5195 TypeFunction *tf = (TypeFunction *)td->next; | |
| 5196 | |
| 5197 if (!tf->varargs && Argument::dim(tf->parameters) == 0) | |
| 5198 { | |
| 5199 return tf->next; // return type of delegate | |
| 5200 } | |
| 5201 } | |
| 5202 } | |
| 5203 } | |
| 5204 return NULL; | |
| 5205 } | |
| 5206 | |
| 5207 void Argument::toDecoBuffer(OutBuffer *buf) | |
| 5208 { | |
| 5209 switch (storageClass & (STCin | STCout | STCref | STClazy)) | |
| 5210 { case 0: | |
| 5211 case STCin: | |
| 5212 break; | |
| 5213 case STCout: | |
| 5214 buf->writeByte('J'); | |
| 5215 break; | |
| 5216 case STCref: | |
| 5217 buf->writeByte('K'); | |
| 5218 break; | |
| 5219 case STClazy: | |
| 5220 buf->writeByte('L'); | |
| 5221 break; | |
| 5222 default: | |
| 5223 #ifdef DEBUG | |
| 5224 halt(); | |
| 5225 #endif | |
| 5226 assert(0); | |
| 5227 } | |
| 5228 type->toDecoBuffer(buf); | |
| 5229 } | |
| 5230 | |
| 5231 /*************************************** | |
| 5232 * Determine number of arguments, folding in tuples. | |
| 5233 */ | |
| 5234 | |
| 5235 size_t Argument::dim(Arguments *args) | |
| 5236 { | |
| 5237 size_t n = 0; | |
| 5238 if (args) | |
| 5239 { | |
| 5240 for (size_t i = 0; i < args->dim; i++) | |
| 5241 { Argument *arg = (Argument *)args->data[i]; | |
| 5242 Type *t = arg->type->toBasetype(); | |
| 5243 | |
| 5244 if (t->ty == Ttuple) | |
| 5245 { TypeTuple *tu = (TypeTuple *)t; | |
| 5246 n += dim(tu->arguments); | |
| 5247 } | |
| 5248 else | |
| 5249 n++; | |
| 5250 } | |
| 5251 } | |
| 5252 return n; | |
| 5253 } | |
| 5254 | |
| 5255 /*************************************** | |
| 5256 * Get nth Argument, folding in tuples. | |
| 5257 * Returns: | |
| 5258 * Argument* nth Argument | |
| 5259 * NULL not found, *pn gets incremented by the number | |
| 5260 * of Arguments | |
| 5261 */ | |
| 5262 | |
| 5263 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn) | |
| 5264 { | |
| 5265 if (!args) | |
| 5266 return NULL; | |
| 5267 | |
| 5268 size_t n = 0; | |
| 5269 for (size_t i = 0; i < args->dim; i++) | |
| 5270 { Argument *arg = (Argument *)args->data[i]; | |
| 5271 Type *t = arg->type->toBasetype(); | |
| 5272 | |
| 5273 if (t->ty == Ttuple) | |
| 5274 { TypeTuple *tu = (TypeTuple *)t; | |
| 5275 arg = getNth(tu->arguments, nth - n, &n); | |
| 5276 if (arg) | |
| 5277 return arg; | |
| 5278 } | |
| 5279 else if (n == nth) | |
| 5280 return arg; | |
| 5281 else | |
| 5282 n++; | |
| 5283 } | |
| 5284 | |
| 5285 if (pn) | |
| 5286 *pn += n; | |
| 5287 return NULL; | |
| 5288 } |