Mercurial > projects > ddmd
annotate dmd/TypeClass.d @ 114:e28b18c23469
added a module dmd.common for commonly used stuff
it currently holds code for consistency checking of predefined versions
also added a VisualD project file
| author | Trass3r |
|---|---|
| date | Wed, 01 Sep 2010 18:21:58 +0200 |
| parents | be2ab491772e |
| children | 60bb0fe4563e |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeClass; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Type; |
| 5 import dmd.ClassDeclaration; | |
| 64 | 6 import dmd.TypeInstance; |
| 0 | 7 import dmd.Loc; |
| 8 import dmd.Dsymbol; | |
| 9 import dmd.Scope; | |
| 10 import dmd.OutBuffer; | |
| 11 import dmd.HdrGenState; | |
| 12 import dmd.Expression; | |
| 13 import dmd.Identifier; | |
| 14 import dmd.MATCH; | |
| 64 | 15 import dmd.DYNCAST; |
| 0 | 16 import dmd.CppMangleState; |
| 17 import dmd.ArrayTypes; | |
| 18 import dmd.TypeInfoDeclaration; | |
| 19 import dmd.TY; | |
| 20 import dmd.MOD; | |
| 21 import dmd.Global; | |
| 22 import dmd.TypePointer; | |
| 23 import dmd.Declaration; | |
| 24 import dmd.VarDeclaration; | |
| 25 import dmd.TOK; | |
| 26 import dmd.DotExp; | |
| 27 import dmd.Id; | |
| 28 import dmd.ScopeExp; | |
| 29 import dmd.DotVarExp; | |
| 30 import dmd.VarExp; | |
| 31 import dmd.PtrExp; | |
| 32 import dmd.AddExp; | |
| 33 import dmd.IntegerExp; | |
| 34 import dmd.DotIdExp; | |
| 35 import dmd.EnumMember; | |
| 36 import dmd.TemplateMixin; | |
| 37 import dmd.TemplateDeclaration; | |
| 38 import dmd.TemplateInstance; | |
| 39 import dmd.OverloadSet; | |
| 40 import dmd.DotTypeExp; | |
| 41 import dmd.TupleExp; | |
| 42 import dmd.ClassInfoDeclaration; | |
| 43 import dmd.TypeInfoInterfaceDeclaration; | |
| 44 import dmd.TypeInfoClassDeclaration; | |
| 45 import dmd.Util; | |
| 46 import dmd.NullExp; | |
| 47 import dmd.TypeExp; | |
| 48 import dmd.DotTemplateExp; | |
| 49 import dmd.ErrorExp; | |
| 50 import dmd.ThisExp; | |
| 51 import dmd.CommaExp; | |
| 52 | |
| 53 import dmd.expression.Util; | |
| 54 import dmd.backend.Symbol; | |
| 55 import dmd.backend.TYPE; | |
| 56 import dmd.backend.Util; | |
| 57 import dmd.backend.SC; | |
| 58 import dmd.backend.STR; | |
| 59 import dmd.backend.TYM; | |
| 60 import dmd.backend.LIST; | |
| 61 import dmd.backend.Classsym; | |
| 62 | |
| 63 import std.string : toStringz; | |
| 64 | |
| 65 class TypeClass : Type | |
| 66 { | |
| 67 ClassDeclaration sym; | |
| 68 | |
| 69 this(ClassDeclaration sym) | |
| 70 { | |
| 71 super(TY.Tclass); | |
| 72 this.sym = sym; | |
| 73 } | |
| 74 | |
| 75 version (DumbClone) { | |
| 76 } else { | |
| 77 Type clone() | |
| 78 { | |
| 79 assert(false); | |
| 80 } | |
| 81 } | |
| 72 | 82 override ulong size(Loc loc) |
| 0 | 83 { |
| 84 return PTRSIZE; | |
| 85 } | |
| 86 | |
| 72 | 87 override string toChars() |
| 0 | 88 { |
| 89 if (mod) | |
| 90 return Type.toChars(); | |
| 91 return sym.toPrettyChars(); | |
| 92 } | |
| 93 | |
| 72 | 94 override Type syntaxCopy() |
| 0 | 95 { |
| 96 assert(false); | |
| 97 } | |
| 98 | |
| 72 | 99 override Type semantic(Loc loc, Scope sc) |
| 0 | 100 { |
| 101 //printf("TypeClass.semantic(%s)\n", sym.toChars()); | |
| 102 if (deco) | |
| 103 return this; | |
| 104 //printf("\t%s\n", merge().deco); | |
| 105 return merge(); | |
| 106 } | |
| 107 | |
| 72 | 108 override Dsymbol toDsymbol(Scope sc) |
| 0 | 109 { |
| 110 return sym; | |
| 111 } | |
| 112 | |
| 72 | 113 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 114 { |
| 115 string name = sym.mangle(); | |
| 116 //printf("TypeClass.toDecoBuffer('%s' flag=%d mod=%x) = '%s'\n", toChars(), flag, mod, name); | |
| 117 Type.toDecoBuffer(buf, flag); | |
| 118 buf.printf("%s", name); | |
| 119 } | |
| 120 | |
| 72 | 121 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 122 { |
| 123 if (mod != this.mod) | |
| 124 { | |
| 125 toCBuffer3(buf, hgs, mod); | |
| 126 return; | |
| 127 } | |
| 128 buf.writestring(sym.toChars()); | |
| 129 } | |
| 130 | |
| 72 | 131 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 132 { |
| 133 uint offset; | |
| 134 | |
| 135 Expression b; | |
| 136 VarDeclaration v; | |
| 137 Dsymbol s; | |
| 138 | |
| 139 version (LOGDOTEXP) { | |
| 140 printf("TypeClass.dotExp(e='%s', ident='%s')\n", e.toChars(), ident.toChars()); | |
| 141 } | |
| 142 | |
| 143 if (e.op == TOK.TOKdotexp) | |
| 144 { | |
| 145 DotExp de = cast(DotExp)e; | |
| 146 | |
| 147 if (de.e1.op == TOK.TOKimport) | |
| 148 { | |
| 149 ScopeExp se = cast(ScopeExp)de.e1; | |
| 150 | |
| 151 s = se.sds.search(e.loc, ident, 0); | |
| 152 e = de.e1; | |
| 153 goto L1; | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 if (ident is Id.tupleof_) | |
| 158 { | |
| 159 /* Create a TupleExp | |
| 160 */ | |
| 161 e = e.semantic(sc); // do this before turning on noaccesscheck | |
| 162 Expressions exps = new Expressions; | |
| 163 exps.reserve(sym.fields.dim); | |
| 164 for (size_t i = 0; i < sym.fields.dim; i++) | |
| 165 { | |
| 79 | 166 VarDeclaration v2 = cast(VarDeclaration)sym.fields[i]; |
| 0 | 167 Expression fe = new DotVarExp(e.loc, e, v2); |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
168 exps.push(fe); |
| 0 | 169 } |
| 170 e = new TupleExp(e.loc, exps); | |
| 171 sc = sc.push(); | |
| 172 sc.noaccesscheck = 1; | |
| 173 e = e.semantic(sc); | |
| 174 sc.pop(); | |
| 175 return e; | |
| 176 } | |
| 177 | |
| 178 s = sym.search(e.loc, ident, 0); | |
| 179 L1: | |
| 180 if (!s) | |
| 181 { | |
| 182 // See if it's a base class | |
| 183 ClassDeclaration cbase; | |
| 184 for (cbase = sym.baseClass; cbase; cbase = cbase.baseClass) | |
| 185 { | |
| 186 if (cbase.ident.equals(ident)) | |
| 187 { | |
| 188 e = new DotTypeExp(Loc(0), e, cbase); | |
| 189 return e; | |
| 190 } | |
| 191 } | |
| 192 | |
| 193 if (ident is Id.classinfo_) | |
| 194 { | |
| 195 assert(ClassDeclaration.classinfo); | |
| 196 Type t = ClassDeclaration.classinfo.type; | |
| 197 if (e.op == TOK.TOKtype || e.op == TOK.TOKdottype) | |
| 198 { | |
| 199 /* For type.classinfo, we know the classinfo | |
| 200 * at compile time. | |
| 201 */ | |
| 202 if (!sym.vclassinfo) | |
| 203 sym.vclassinfo = new ClassInfoDeclaration(sym); | |
| 204 | |
| 205 e = new VarExp(e.loc, sym.vclassinfo); | |
| 206 e = e.addressOf(sc); | |
| 207 e.type = t; // do this so we don't get redundant dereference | |
| 208 } | |
| 209 else | |
| 210 { | |
| 211 /* For class objects, the classinfo reference is the first | |
| 212 * entry in the vtbl[] | |
| 213 */ | |
| 214 e = new PtrExp(e.loc, e); | |
| 215 e.type = t.pointerTo(); | |
| 216 if (sym.isInterfaceDeclaration()) | |
| 217 { | |
| 218 if (sym.isCPPinterface()) | |
| 219 { | |
| 220 /* C++ interface vtbl[]s are different in that the | |
| 221 * first entry is always pointer to the first virtual | |
| 222 * function, not classinfo. | |
| 223 * We can't get a .classinfo for it. | |
| 224 */ | |
| 225 error(e.loc, "no .classinfo for C++ interface objects"); | |
| 226 } | |
| 227 /* For an interface, the first entry in the vtbl[] | |
| 228 * is actually a pointer to an instance of struct Interface. | |
| 229 * The first member of Interface is the .classinfo, | |
| 230 * so add an extra pointer indirection. | |
| 231 */ | |
| 232 e.type = e.type.pointerTo(); | |
| 233 e = new PtrExp(e.loc, e); | |
| 234 e.type = t.pointerTo(); | |
| 235 } | |
| 236 e = new PtrExp(e.loc, e, t); | |
| 237 } | |
| 238 return e; | |
| 239 } | |
| 240 | |
| 241 if (ident is Id.__vptr) | |
| 242 { | |
| 243 /* The pointer to the vtbl[] | |
| 244 * *cast(invariant(void*)**)e | |
| 245 */ | |
| 246 e = e.castTo(sc, tvoidptr.invariantOf().pointerTo().pointerTo()); | |
| 247 e = new PtrExp(e.loc, e); | |
| 248 e = e.semantic(sc); | |
| 249 return e; | |
| 250 } | |
| 251 | |
| 252 if (ident is Id.__monitor) | |
| 253 { /* The handle to the monitor (call it a void*) | |
| 254 * *(cast(void**)e + 1) | |
| 255 */ | |
| 256 e = e.castTo(sc, tvoidptr.pointerTo()); | |
| 257 e = new AddExp(e.loc, e, new IntegerExp(1)); | |
| 258 e = new PtrExp(e.loc, e); | |
| 259 e = e.semantic(sc); | |
| 260 return e; | |
| 261 } | |
| 262 | |
| 263 if (ident is Id.typeinfo_) | |
| 264 { | |
| 265 if (!global.params.useDeprecated) | |
| 266 error(e.loc, ".typeinfo deprecated, use typeid(type)"); | |
| 267 | |
| 268 return getTypeInfo(sc); | |
| 269 } | |
| 270 if (ident is Id.outer && sym.vthis) | |
| 271 { | |
| 272 s = sym.vthis; | |
| 273 } | |
| 274 else | |
| 275 { | |
| 276 if (ident !is Id.__sizeof && | |
| 277 ident !is Id.alignof_ && | |
| 278 ident !is Id.init_ && | |
| 279 ident !is Id.mangleof_ && | |
| 280 ident !is Id.stringof_ && | |
| 281 ident !is Id.offsetof) | |
| 282 { | |
| 283 /* See if we should forward to the alias this. | |
| 284 */ | |
| 285 if (sym.aliasthis) | |
| 286 { | |
| 287 /* Rewrite e.ident as: | |
| 288 * e.aliasthis.ident | |
| 289 */ | |
| 290 e = new DotIdExp(e.loc, e, sym.aliasthis.ident); | |
| 291 e = new DotIdExp(e.loc, e, ident); | |
| 292 return e.semantic(sc); | |
| 293 } | |
| 294 | |
| 295 /* Look for overloaded opDot() to see if we should forward request | |
| 296 * to it. | |
| 297 */ | |
| 298 Dsymbol fd = search_function(sym, Id.opDot); | |
| 299 if (fd) | |
| 300 { | |
| 301 /* Rewrite e.ident as: | |
| 302 * e.opId().ident | |
| 303 */ | |
| 304 e = build_overload(e.loc, sc, e, null, fd.ident); | |
| 305 e = new DotIdExp(e.loc, e, ident); | |
| 306 return e.semantic(sc); | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 return Type.dotExp(sc, e, ident); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 if (!s.isFuncDeclaration()) // because of overloading | |
| 315 s.checkDeprecated(e.loc, sc); | |
| 316 | |
| 317 s = s.toAlias(); | |
| 318 v = s.isVarDeclaration(); | |
| 319 | |
| 320 if (v && !v.isDataseg()) | |
| 321 { | |
| 322 Expression ei = v.getConstInitializer(); | |
| 323 | |
| 324 if (ei) | |
| 325 { | |
| 326 e = ei.copy(); // need to copy it if it's a StringExp | |
| 327 e = e.semantic(sc); | |
| 328 return e; | |
| 329 } | |
| 330 } | |
| 331 | |
| 332 if (s.getType()) | |
| 333 { | |
| 334 // if (e.op == TOKtype) | |
| 335 return new TypeExp(e.loc, s.getType()); | |
| 336 // return new DotTypeExp(e.loc, e, s); | |
| 337 } | |
| 338 | |
| 339 EnumMember em = s.isEnumMember(); | |
| 340 if (em) | |
| 341 { | |
| 342 assert(em.value); | |
| 343 return em.value.copy(); | |
| 344 } | |
| 345 | |
| 346 TemplateMixin tm = s.isTemplateMixin(); | |
| 347 if (tm) | |
| 348 { | |
| 349 Expression de = new DotExp(e.loc, e, new ScopeExp(e.loc, tm)); | |
| 350 de.type = e.type; | |
| 351 return de; | |
| 352 } | |
| 353 | |
| 354 TemplateDeclaration td = s.isTemplateDeclaration(); | |
| 355 if (td) | |
| 356 { | |
| 357 e = new DotTemplateExp(e.loc, e, td); | |
| 358 e.semantic(sc); | |
| 359 return e; | |
| 360 } | |
| 361 | |
| 362 TemplateInstance ti = s.isTemplateInstance(); | |
| 363 if (ti) | |
| 364 { | |
| 365 if (!ti.semanticRun) | |
| 366 ti.semantic(sc); | |
| 367 s = ti.inst.toAlias(); | |
| 368 if (!s.isTemplateInstance()) | |
| 369 goto L1; | |
| 370 Expression de = new DotExp(e.loc, e, new ScopeExp(e.loc, ti)); | |
| 371 de.type = e.type; | |
| 372 return de; | |
| 373 } | |
| 374 | |
| 375 OverloadSet o = s.isOverloadSet(); | |
| 376 if (o) | |
| 377 { | |
| 378 /* We really should allow this | |
| 379 */ | |
| 380 error(e.loc, "overload set for %s.%s not allowed in struct declaration", e.toChars(), ident.toChars()); | |
| 381 return new ErrorExp(); | |
| 382 } | |
| 383 | |
| 384 Declaration d = s.isDeclaration(); | |
| 385 if (!d) | |
| 386 { | |
| 387 e.error("%s.%s is not a declaration", e.toChars(), ident.toChars()); | |
| 388 return new ErrorExp(); | |
| 389 } | |
| 390 | |
| 391 if (e.op == TOK.TOKtype) | |
| 392 { | |
| 393 /* It's: | |
| 394 * Class.d | |
| 395 */ | |
| 396 if (d.isTupleDeclaration()) | |
| 397 { | |
| 398 e = new TupleExp(e.loc, d.isTupleDeclaration()); | |
| 399 e = e.semantic(sc); | |
| 400 return e; | |
| 401 } | |
| 73 | 402 else if (d.needThis() && (hasThis(sc) || !(sc.intypeof || d.isFuncDeclaration()))) |
| 0 | 403 { |
| 404 if (sc.func) | |
| 405 { | |
| 406 ClassDeclaration thiscd; | |
| 407 thiscd = sc.func.toParent().isClassDeclaration(); | |
| 408 | |
| 409 if (thiscd) | |
| 410 { | |
| 411 ClassDeclaration cd = e.type.isClassHandle(); | |
| 412 | |
| 413 if (cd is thiscd) | |
| 414 { | |
| 415 e = new ThisExp(e.loc); | |
| 416 e = new DotTypeExp(e.loc, e, cd); | |
| 417 DotVarExp de = new DotVarExp(e.loc, e, d); | |
| 418 e = de.semantic(sc); | |
| 419 return e; | |
| 420 } | |
| 421 else if ((!cd || !cd.isBaseOf(thiscd, null)) && !d.isFuncDeclaration()) | |
| 422 e.error("'this' is required, but %s is not a base class of %s", e.type.toChars(), thiscd.toChars()); | |
| 423 } | |
| 424 } | |
| 425 | |
| 426 /* Rewrite as: | |
| 427 * this.d | |
| 428 */ | |
| 429 DotVarExp de = new DotVarExp(e.loc, new ThisExp(e.loc), d); | |
| 430 e = de.semantic(sc); | |
| 431 return e; | |
| 432 } | |
| 433 else | |
| 434 { | |
| 435 VarExp ve = new VarExp(e.loc, d, 1); | |
| 436 return ve; | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 if (d.isDataseg()) | |
| 441 { | |
| 442 // (e, d) | |
| 443 accessCheck(e.loc, sc, e, d); | |
| 444 VarExp ve = new VarExp(e.loc, d); | |
| 445 e = new CommaExp(e.loc, e, ve); | |
| 446 e.type = d.type; | |
| 447 return e; | |
| 448 } | |
| 449 | |
| 450 if (d.parent && d.toParent().isModule()) | |
| 451 { | |
| 452 // (e, d) | |
| 453 VarExp ve = new VarExp(e.loc, d, 1); | |
| 454 e = new CommaExp(e.loc, e, ve); | |
| 455 e.type = d.type; | |
| 456 return e; | |
| 457 } | |
| 458 | |
| 459 DotVarExp de = new DotVarExp(e.loc, e, d); | |
| 460 return de.semantic(sc); | |
| 461 } | |
| 462 | |
| 72 | 463 override ClassDeclaration isClassHandle() |
| 0 | 464 { |
| 465 return sym; | |
| 466 } | |
| 467 | |
| 72 | 468 override bool isBaseOf(Type t, int* poffset) |
| 0 | 469 { |
| 56 | 470 if (t.ty == Tclass) |
| 471 { | |
| 472 ClassDeclaration cd; | |
| 473 | |
| 474 cd = (cast(TypeClass)t).sym; | |
| 475 if (sym.isBaseOf(cd, poffset)) | |
| 476 return true; | |
| 477 } | |
| 478 | |
| 479 return false; | |
| 0 | 480 } |
| 481 | |
| 72 | 482 override MATCH implicitConvTo(Type to) |
| 0 | 483 { |
| 484 //printf("TypeClass.implicitConvTo(to = '%s') %s\n", to.toChars(), toChars()); | |
| 485 MATCH m = constConv(to); | |
| 486 if (m != MATCH.MATCHnomatch) | |
| 487 return m; | |
| 488 | |
| 489 ClassDeclaration cdto = to.isClassHandle(); | |
| 490 if (cdto && cdto.isBaseOf(sym, null)) | |
| 491 { | |
| 492 //printf("'to' is base\n"); | |
| 493 return MATCH.MATCHconvert; | |
| 494 } | |
| 495 | |
| 496 if (global.params.Dversion == 1) | |
| 497 { | |
| 498 // Allow conversion to (void *) | |
| 499 if (to.ty == TY.Tpointer && (cast(TypePointer)to).next.ty == TY.Tvoid) | |
| 500 return MATCH.MATCHconvert; | |
| 501 } | |
| 502 | |
| 503 m = MATCH.MATCHnomatch; | |
| 504 if (sym.aliasthis) | |
| 505 { | |
| 506 Declaration d = sym.aliasthis.isDeclaration(); | |
| 507 if (d) | |
| 508 { | |
| 509 assert(d.type); | |
| 510 Type t = d.type.addMod(mod); | |
| 511 m = t.implicitConvTo(to); | |
| 512 } | |
| 513 } | |
| 514 | |
| 515 return m; | |
| 516 } | |
| 517 | |
| 72 | 518 override Expression defaultInit(Loc loc) |
| 0 | 519 { |
| 520 version (LOGDEFAULTINIT) { | |
| 521 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 522 } | |
| 523 Expression e = new NullExp(loc); | |
| 524 e.type = this; | |
| 525 return e; | |
| 526 } | |
| 527 | |
| 72 | 528 override bool isZeroInit(Loc loc) |
| 0 | 529 { |
| 530 return true; | |
| 531 } | |
| 532 | |
| 72 | 533 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 534 { |
| 64 | 535 //printf("TypeClass.deduceType(this = %s)\n", toChars()); |
| 536 | |
| 537 /* If this class is a template class, and we're matching | |
| 538 * it against a template instance, convert the class type | |
| 539 * to a template instance, too, and try again. | |
| 540 */ | |
| 541 TemplateInstance ti = sym.parent.isTemplateInstance(); | |
| 542 | |
| 543 if (tparam && tparam.ty == Tinstance) | |
| 544 { | |
| 545 if (ti && ti.toAlias() == sym) | |
| 546 { | |
| 547 TypeInstance t = new TypeInstance(Loc(0), ti); | |
| 548 return t.deduceType(sc, tparam, parameters, dedtypes); | |
| 549 } | |
| 550 | |
| 551 /* Match things like: | |
| 552 * S!(T).foo | |
| 553 */ | |
| 554 TypeInstance tpi = cast(TypeInstance)tparam; | |
| 555 if (tpi.idents.dim) | |
| 556 { Identifier id = cast(Identifier)tpi.idents.data[tpi.idents.dim - 1]; | |
| 557 if (id.dyncast() == DYNCAST.DYNCAST_IDENTIFIER && sym.ident.equals(id)) | |
| 558 { | |
| 559 Type tparent = sym.parent.getType(); | |
| 560 if (tparent) | |
| 561 { | |
| 562 /* Slice off the .foo in S!(T).foo | |
| 563 */ | |
| 564 tpi.idents.dim--; | |
| 565 MATCH m = tparent.deduceType(sc, tpi, parameters, dedtypes); | |
| 566 tpi.idents.dim++; | |
| 567 return m; | |
| 568 } | |
| 569 } | |
| 570 } | |
| 571 } | |
| 572 | |
| 573 // Extra check | |
| 574 if (tparam && tparam.ty == Tclass) | |
| 575 { | |
| 576 TypeClass tp = cast(TypeClass)tparam; | |
| 577 | |
| 578 //printf("\t%d\n", (MATCH) implicitConvTo(tp)); | |
| 579 return implicitConvTo(tp); | |
| 580 } | |
| 581 return Type.deduceType(sc, tparam, parameters, dedtypes); | |
| 0 | 582 } |
| 583 | |
| 72 | 584 override bool isauto() |
| 0 | 585 { |
| 586 return sym.isauto; | |
| 587 } | |
| 588 | |
| 72 | 589 override bool checkBoolean() |
| 0 | 590 { |
| 591 return true; | |
| 592 } | |
| 593 | |
| 72 | 594 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 595 { |
| 596 if (sym.isInterfaceDeclaration()) | |
| 597 return new TypeInfoInterfaceDeclaration(this); | |
| 598 else | |
| 599 return new TypeInfoClassDeclaration(this); | |
| 600 } | |
| 601 | |
| 72 | 602 override bool hasPointers() |
| 0 | 603 { |
| 604 return true; | |
| 605 } | |
| 606 | |
| 72 | 607 override bool builtinTypeInfo() |
| 0 | 608 { |
| 609 /* This is statically put out with the ClassInfo, so | |
| 610 * claim it is built in so it isn't regenerated by each module. | |
| 611 */ | |
| 612 version (DMDV2) { | |
| 613 return mod ? false : true; | |
| 614 } else { | |
| 615 return true; | |
| 616 } | |
| 617 } | |
| 618 | |
| 619 version (DMDV2) { | |
| 72 | 620 override Type toHeadMutable() |
| 0 | 621 { |
| 622 assert(false); | |
| 623 } | |
| 624 | |
| 72 | 625 override MATCH constConv(Type to) |
| 0 | 626 { |
| 627 if (equals(to)) | |
| 628 return MATCH.MATCHexact; | |
| 629 | |
| 630 if (ty == to.ty && sym == (cast(TypeClass)to).sym && to.mod == MOD.MODconst) | |
| 631 return MATCH.MATCHconst; | |
| 632 | |
| 633 return MATCH.MATCHnomatch; | |
| 634 } | |
| 635 | |
| 636 version (CPP_MANGLE) { | |
| 637 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 638 { | |
| 639 assert(false); | |
| 640 } | |
| 641 } | |
| 642 } | |
| 643 | |
| 72 | 644 override type* toCtype() |
| 0 | 645 { |
| 646 type* t; | |
| 647 Symbol* s; | |
| 648 | |
| 649 //printf("TypeClass.toCtype() %s\n", toChars()); | |
| 650 if (ctype) | |
| 651 return ctype; | |
| 652 | |
| 653 /* Need this symbol to do C++ name mangling | |
| 654 */ | |
| 655 string name = sym.isCPPinterface() ? sym.ident.toChars() : sym.toPrettyChars(); | |
| 656 s = symbol_calloc(toStringz(name)); | |
| 657 s.Sclass = SC.SCstruct; | |
| 658 s.Sstruct = struct_calloc(); | |
| 659 s.Sstruct.Sflags |= STR.STRclass; | |
| 660 s.Sstruct.Salignsize = sym.alignsize; | |
| 661 s.Sstruct.Sstructalign = cast(ubyte)sym.structalign; | |
| 662 s.Sstruct.Sstructsize = sym.structsize; | |
| 663 | |
| 664 t = type_alloc(TYM.TYstruct); | |
| 665 t.Ttag = cast(Classsym*)s; // structure tag name | |
| 666 t.Tcount++; | |
| 667 s.Stype = t; | |
| 668 slist_add(s); | |
| 669 | |
| 670 t = type_allocn(TYM.TYnptr, t); | |
| 671 | |
| 672 t.Tcount++; | |
| 673 ctype = t; | |
| 674 | |
| 675 /* Add in fields of the class | |
| 676 * (after setting ctype to avoid infinite recursion) | |
| 677 */ | |
| 678 if (global.params.symdebug) | |
| 679 for (int i = 0; i < sym.fields.dim; i++) | |
| 680 { | |
| 79 | 681 VarDeclaration v = cast(VarDeclaration)sym.fields[i]; |
| 0 | 682 |
| 683 Symbol* s2 = symbol_name(toStringz(v.ident.toChars()), SC.SCmember, v.type.toCtype()); | |
| 684 s2.Smemoff = v.offset; | |
| 685 list_append(&s.Sstruct.Sfldlst, s2); | |
| 686 } | |
| 687 | |
| 688 return t; | |
| 689 } | |
| 690 | |
| 72 | 691 override Symbol* toSymbol() |
| 0 | 692 { |
| 693 return sym.toSymbol(); | |
| 694 } | |
| 72 | 695 } |