Mercurial > projects > ddmd
annotate dmd/TypeClass.d @ 187:b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
| author | Abscissa |
|---|---|
| date | Tue, 07 Jun 2011 23:37:34 -0400 |
| parents | e3afd1303184 |
| children |
| 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 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
65 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
66 |
| 0 | 67 class TypeClass : Type |
| 68 { | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
69 mixin insertMemberExtension!(typeof(this)); |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
70 |
| 0 | 71 ClassDeclaration sym; |
| 72 | |
| 73 this(ClassDeclaration sym) | |
| 74 { | |
| 178 | 75 register(); |
| 0 | 76 super(TY.Tclass); |
| 77 this.sym = sym; | |
| 78 } | |
| 79 | |
| 72 | 80 override ulong size(Loc loc) |
| 0 | 81 { |
| 82 return PTRSIZE; | |
| 83 } | |
| 84 | |
| 72 | 85 override string toChars() |
| 0 | 86 { |
| 87 if (mod) | |
| 88 return Type.toChars(); | |
| 89 return sym.toPrettyChars(); | |
| 90 } | |
| 91 | |
| 72 | 92 override Type syntaxCopy() |
| 0 | 93 { |
| 94 assert(false); | |
| 95 } | |
| 96 | |
| 72 | 97 override Type semantic(Loc loc, Scope sc) |
| 0 | 98 { |
| 99 //printf("TypeClass.semantic(%s)\n", sym.toChars()); | |
| 100 if (deco) | |
| 101 return this; | |
| 102 //printf("\t%s\n", merge().deco); | |
| 103 return merge(); | |
| 104 } | |
| 105 | |
| 72 | 106 override Dsymbol toDsymbol(Scope sc) |
| 0 | 107 { |
| 108 return sym; | |
| 109 } | |
| 110 | |
| 72 | 111 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 112 { |
| 113 string name = sym.mangle(); | |
| 114 //printf("TypeClass.toDecoBuffer('%s' flag=%d mod=%x) = '%s'\n", toChars(), flag, mod, name); | |
| 115 Type.toDecoBuffer(buf, flag); | |
| 116 buf.printf("%s", name); | |
| 117 } | |
| 118 | |
| 72 | 119 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 120 { |
| 121 if (mod != this.mod) | |
| 122 { | |
| 123 toCBuffer3(buf, hgs, mod); | |
| 124 return; | |
| 125 } | |
| 126 buf.writestring(sym.toChars()); | |
| 127 } | |
| 128 | |
| 72 | 129 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 130 { |
| 131 uint offset; | |
| 132 | |
| 133 Expression b; | |
| 134 VarDeclaration v; | |
| 135 Dsymbol s; | |
| 136 | |
| 137 version (LOGDOTEXP) { | |
| 138 printf("TypeClass.dotExp(e='%s', ident='%s')\n", e.toChars(), ident.toChars()); | |
| 139 } | |
| 140 | |
| 141 if (e.op == TOK.TOKdotexp) | |
| 142 { | |
| 143 DotExp de = cast(DotExp)e; | |
| 144 | |
| 145 if (de.e1.op == TOK.TOKimport) | |
| 146 { | |
| 147 ScopeExp se = cast(ScopeExp)de.e1; | |
| 148 | |
| 149 s = se.sds.search(e.loc, ident, 0); | |
| 150 e = de.e1; | |
| 151 goto L1; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 if (ident is Id.tupleof_) | |
| 156 { | |
| 157 /* Create a TupleExp | |
| 158 */ | |
| 159 e = e.semantic(sc); // do this before turning on noaccesscheck | |
| 160 Expressions exps = new Expressions; | |
| 161 exps.reserve(sym.fields.dim); | |
| 162 for (size_t i = 0; i < sym.fields.dim; i++) | |
| 163 { | |
| 79 | 164 VarDeclaration v2 = cast(VarDeclaration)sym.fields[i]; |
| 0 | 165 Expression fe = new DotVarExp(e.loc, e, v2); |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
166 exps.push(fe); |
| 0 | 167 } |
| 168 e = new TupleExp(e.loc, exps); | |
| 169 sc = sc.push(); | |
| 170 sc.noaccesscheck = 1; | |
| 171 e = e.semantic(sc); | |
| 172 sc.pop(); | |
| 173 return e; | |
| 174 } | |
| 175 | |
| 176 s = sym.search(e.loc, ident, 0); | |
| 177 L1: | |
| 178 if (!s) | |
| 179 { | |
| 180 // See if it's a base class | |
| 181 ClassDeclaration cbase; | |
| 182 for (cbase = sym.baseClass; cbase; cbase = cbase.baseClass) | |
| 183 { | |
| 184 if (cbase.ident.equals(ident)) | |
| 185 { | |
| 186 e = new DotTypeExp(Loc(0), e, cbase); | |
| 187 return e; | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 if (ident is Id.classinfo_) | |
| 192 { | |
|
166
d8565fbd755c
Moved object and classinfo from ClassDeclaration to Global (as part of getting rid of the global state)
korDen
parents:
135
diff
changeset
|
193 assert(global.classinfo); |
|
d8565fbd755c
Moved object and classinfo from ClassDeclaration to Global (as part of getting rid of the global state)
korDen
parents:
135
diff
changeset
|
194 Type t = global.classinfo.type; |
| 0 | 195 if (e.op == TOK.TOKtype || e.op == TOK.TOKdottype) |
| 196 { | |
| 197 /* For type.classinfo, we know the classinfo | |
| 198 * at compile time. | |
| 199 */ | |
| 200 if (!sym.vclassinfo) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
201 sym.vclassinfo = new TypeInfoClassDeclaration(sym.type); |
| 0 | 202 |
| 203 e = new VarExp(e.loc, sym.vclassinfo); | |
| 204 e = e.addressOf(sc); | |
| 205 e.type = t; // do this so we don't get redundant dereference | |
| 206 } | |
| 207 else | |
| 208 { | |
| 209 /* For class objects, the classinfo reference is the first | |
| 210 * entry in the vtbl[] | |
| 211 */ | |
| 212 e = new PtrExp(e.loc, e); | |
| 213 e.type = t.pointerTo(); | |
| 214 if (sym.isInterfaceDeclaration()) | |
| 215 { | |
| 216 if (sym.isCPPinterface()) | |
| 217 { | |
| 218 /* C++ interface vtbl[]s are different in that the | |
| 219 * first entry is always pointer to the first virtual | |
| 220 * function, not classinfo. | |
| 221 * We can't get a .classinfo for it. | |
| 222 */ | |
| 223 error(e.loc, "no .classinfo for C++ interface objects"); | |
| 224 } | |
| 225 /* For an interface, the first entry in the vtbl[] | |
| 226 * is actually a pointer to an instance of struct Interface. | |
| 227 * The first member of Interface is the .classinfo, | |
| 228 * so add an extra pointer indirection. | |
| 229 */ | |
| 230 e.type = e.type.pointerTo(); | |
| 231 e = new PtrExp(e.loc, e); | |
| 232 e.type = t.pointerTo(); | |
| 233 } | |
| 234 e = new PtrExp(e.loc, e, t); | |
| 235 } | |
| 236 return e; | |
| 237 } | |
| 238 | |
| 239 if (ident is Id.__vptr) | |
| 240 { | |
| 241 /* The pointer to the vtbl[] | |
| 242 * *cast(invariant(void*)**)e | |
| 243 */ | |
| 176 | 244 e = e.castTo(sc, global.tvoidptr.invariantOf().pointerTo().pointerTo()); |
| 0 | 245 e = new PtrExp(e.loc, e); |
| 246 e = e.semantic(sc); | |
| 247 return e; | |
| 248 } | |
| 249 | |
| 250 if (ident is Id.__monitor) | |
| 251 { /* The handle to the monitor (call it a void*) | |
| 252 * *(cast(void**)e + 1) | |
| 253 */ | |
| 176 | 254 e = e.castTo(sc, global.tvoidptr.pointerTo()); |
| 0 | 255 e = new AddExp(e.loc, e, new IntegerExp(1)); |
| 256 e = new PtrExp(e.loc, e); | |
| 257 e = e.semantic(sc); | |
| 258 return e; | |
| 259 } | |
| 260 | |
| 261 if (ident is Id.typeinfo_) | |
| 262 { | |
| 263 if (!global.params.useDeprecated) | |
| 264 error(e.loc, ".typeinfo deprecated, use typeid(type)"); | |
| 265 | |
| 266 return getTypeInfo(sc); | |
| 267 } | |
| 268 if (ident is Id.outer && sym.vthis) | |
| 269 { | |
| 270 s = sym.vthis; | |
| 271 } | |
| 272 else | |
| 273 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
274 return noMember(sc, e, ident); |
| 0 | 275 } |
| 276 } | |
| 277 | |
| 278 if (!s.isFuncDeclaration()) // because of overloading | |
| 279 s.checkDeprecated(e.loc, sc); | |
| 280 | |
| 281 s = s.toAlias(); | |
| 282 v = s.isVarDeclaration(); | |
| 283 | |
| 284 if (v && !v.isDataseg()) | |
| 285 { | |
| 286 Expression ei = v.getConstInitializer(); | |
| 287 | |
| 288 if (ei) | |
| 289 { | |
| 290 e = ei.copy(); // need to copy it if it's a StringExp | |
| 291 e = e.semantic(sc); | |
| 292 return e; | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 if (s.getType()) | |
| 297 { | |
| 298 // if (e.op == TOKtype) | |
| 299 return new TypeExp(e.loc, s.getType()); | |
| 300 // return new DotTypeExp(e.loc, e, s); | |
| 301 } | |
| 302 | |
| 303 EnumMember em = s.isEnumMember(); | |
| 304 if (em) | |
| 305 { | |
| 306 assert(em.value); | |
| 307 return em.value.copy(); | |
| 308 } | |
| 309 | |
| 310 TemplateMixin tm = s.isTemplateMixin(); | |
| 311 if (tm) | |
| 312 { | |
| 313 Expression de = new DotExp(e.loc, e, new ScopeExp(e.loc, tm)); | |
| 314 de.type = e.type; | |
| 315 return de; | |
| 316 } | |
| 317 | |
| 318 TemplateDeclaration td = s.isTemplateDeclaration(); | |
| 319 if (td) | |
| 320 { | |
| 321 e = new DotTemplateExp(e.loc, e, td); | |
| 322 e.semantic(sc); | |
| 323 return e; | |
| 324 } | |
| 325 | |
| 326 TemplateInstance ti = s.isTemplateInstance(); | |
| 327 if (ti) | |
| 328 { | |
| 329 if (!ti.semanticRun) | |
| 330 ti.semantic(sc); | |
| 331 s = ti.inst.toAlias(); | |
| 332 if (!s.isTemplateInstance()) | |
| 333 goto L1; | |
| 334 Expression de = new DotExp(e.loc, e, new ScopeExp(e.loc, ti)); | |
| 335 de.type = e.type; | |
| 336 return de; | |
| 337 } | |
| 338 | |
| 339 OverloadSet o = s.isOverloadSet(); | |
| 340 if (o) | |
| 341 { | |
| 342 /* We really should allow this | |
| 343 */ | |
| 344 error(e.loc, "overload set for %s.%s not allowed in struct declaration", e.toChars(), ident.toChars()); | |
| 345 return new ErrorExp(); | |
| 346 } | |
| 347 | |
| 348 Declaration d = s.isDeclaration(); | |
| 349 if (!d) | |
| 350 { | |
| 351 e.error("%s.%s is not a declaration", e.toChars(), ident.toChars()); | |
| 352 return new ErrorExp(); | |
| 353 } | |
| 354 | |
| 355 if (e.op == TOK.TOKtype) | |
| 356 { | |
| 357 /* It's: | |
| 358 * Class.d | |
| 359 */ | |
| 360 if (d.isTupleDeclaration()) | |
| 361 { | |
| 362 e = new TupleExp(e.loc, d.isTupleDeclaration()); | |
| 363 e = e.semantic(sc); | |
| 364 return e; | |
| 365 } | |
| 73 | 366 else if (d.needThis() && (hasThis(sc) || !(sc.intypeof || d.isFuncDeclaration()))) |
| 0 | 367 { |
| 368 if (sc.func) | |
| 369 { | |
| 370 ClassDeclaration thiscd; | |
| 371 thiscd = sc.func.toParent().isClassDeclaration(); | |
| 372 | |
| 373 if (thiscd) | |
| 374 { | |
| 375 ClassDeclaration cd = e.type.isClassHandle(); | |
| 376 | |
| 377 if (cd is thiscd) | |
| 378 { | |
| 379 e = new ThisExp(e.loc); | |
| 380 e = new DotTypeExp(e.loc, e, cd); | |
| 381 DotVarExp de = new DotVarExp(e.loc, e, d); | |
| 382 e = de.semantic(sc); | |
| 383 return e; | |
| 384 } | |
| 385 else if ((!cd || !cd.isBaseOf(thiscd, null)) && !d.isFuncDeclaration()) | |
| 386 e.error("'this' is required, but %s is not a base class of %s", e.type.toChars(), thiscd.toChars()); | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 /* Rewrite as: | |
| 391 * this.d | |
| 392 */ | |
| 393 DotVarExp de = new DotVarExp(e.loc, new ThisExp(e.loc), d); | |
| 394 e = de.semantic(sc); | |
| 395 return e; | |
| 396 } | |
| 397 else | |
| 398 { | |
| 399 VarExp ve = new VarExp(e.loc, d, 1); | |
| 400 return ve; | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 if (d.isDataseg()) | |
| 405 { | |
| 406 // (e, d) | |
| 407 accessCheck(e.loc, sc, e, d); | |
| 408 VarExp ve = new VarExp(e.loc, d); | |
| 409 e = new CommaExp(e.loc, e, ve); | |
| 410 e.type = d.type; | |
| 411 return e; | |
| 412 } | |
| 413 | |
| 414 if (d.parent && d.toParent().isModule()) | |
| 415 { | |
| 416 // (e, d) | |
| 417 VarExp ve = new VarExp(e.loc, d, 1); | |
| 418 e = new CommaExp(e.loc, e, ve); | |
| 419 e.type = d.type; | |
| 420 return e; | |
| 421 } | |
| 422 | |
| 423 DotVarExp de = new DotVarExp(e.loc, e, d); | |
| 424 return de.semantic(sc); | |
| 425 } | |
| 426 | |
| 72 | 427 override ClassDeclaration isClassHandle() |
| 0 | 428 { |
| 429 return sym; | |
| 430 } | |
| 431 | |
| 72 | 432 override bool isBaseOf(Type t, int* poffset) |
| 0 | 433 { |
| 56 | 434 if (t.ty == Tclass) |
| 435 { | |
| 436 ClassDeclaration cd; | |
| 437 | |
| 438 cd = (cast(TypeClass)t).sym; | |
| 439 if (sym.isBaseOf(cd, poffset)) | |
| 440 return true; | |
| 441 } | |
| 442 | |
| 443 return false; | |
| 0 | 444 } |
| 445 | |
| 72 | 446 override MATCH implicitConvTo(Type to) |
| 0 | 447 { |
| 448 //printf("TypeClass.implicitConvTo(to = '%s') %s\n", to.toChars(), toChars()); | |
| 449 MATCH m = constConv(to); | |
| 450 if (m != MATCH.MATCHnomatch) | |
| 451 return m; | |
| 452 | |
| 453 ClassDeclaration cdto = to.isClassHandle(); | |
| 454 if (cdto && cdto.isBaseOf(sym, null)) | |
| 455 { | |
| 456 //printf("'to' is base\n"); | |
| 457 return MATCH.MATCHconvert; | |
| 458 } | |
| 459 | |
| 460 if (global.params.Dversion == 1) | |
| 461 { | |
| 462 // Allow conversion to (void *) | |
| 463 if (to.ty == TY.Tpointer && (cast(TypePointer)to).next.ty == TY.Tvoid) | |
| 464 return MATCH.MATCHconvert; | |
| 465 } | |
| 466 | |
| 467 m = MATCH.MATCHnomatch; | |
| 468 if (sym.aliasthis) | |
| 469 { | |
| 470 Declaration d = sym.aliasthis.isDeclaration(); | |
| 471 if (d) | |
| 472 { | |
| 473 assert(d.type); | |
| 474 Type t = d.type.addMod(mod); | |
| 475 m = t.implicitConvTo(to); | |
| 476 } | |
| 477 } | |
| 478 | |
| 479 return m; | |
| 480 } | |
| 481 | |
| 72 | 482 override Expression defaultInit(Loc loc) |
| 0 | 483 { |
| 484 version (LOGDEFAULTINIT) { | |
| 485 printf("TypeClass::defaultInit() '%s'\n", toChars()); | |
| 486 } | |
| 135 | 487 return new NullExp(loc, this); |
| 0 | 488 } |
| 489 | |
| 72 | 490 override bool isZeroInit(Loc loc) |
| 0 | 491 { |
| 492 return true; | |
| 493 } | |
| 494 | |
| 72 | 495 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 496 { |
| 64 | 497 //printf("TypeClass.deduceType(this = %s)\n", toChars()); |
| 498 | |
| 499 /* If this class is a template class, and we're matching | |
| 500 * it against a template instance, convert the class type | |
| 501 * to a template instance, too, and try again. | |
| 502 */ | |
| 503 TemplateInstance ti = sym.parent.isTemplateInstance(); | |
| 504 | |
| 505 if (tparam && tparam.ty == Tinstance) | |
| 506 { | |
| 507 if (ti && ti.toAlias() == sym) | |
| 508 { | |
| 509 TypeInstance t = new TypeInstance(Loc(0), ti); | |
| 510 return t.deduceType(sc, tparam, parameters, dedtypes); | |
| 511 } | |
| 512 | |
| 513 /* Match things like: | |
| 514 * S!(T).foo | |
| 515 */ | |
| 516 TypeInstance tpi = cast(TypeInstance)tparam; | |
| 517 if (tpi.idents.dim) | |
| 518 { Identifier id = cast(Identifier)tpi.idents.data[tpi.idents.dim - 1]; | |
| 519 if (id.dyncast() == DYNCAST.DYNCAST_IDENTIFIER && sym.ident.equals(id)) | |
| 520 { | |
| 521 Type tparent = sym.parent.getType(); | |
| 522 if (tparent) | |
| 523 { | |
| 524 /* Slice off the .foo in S!(T).foo | |
| 525 */ | |
| 526 tpi.idents.dim--; | |
| 527 MATCH m = tparent.deduceType(sc, tpi, parameters, dedtypes); | |
| 528 tpi.idents.dim++; | |
| 529 return m; | |
| 530 } | |
| 531 } | |
| 532 } | |
| 533 } | |
| 534 | |
| 535 // Extra check | |
| 536 if (tparam && tparam.ty == Tclass) | |
| 537 { | |
| 538 TypeClass tp = cast(TypeClass)tparam; | |
| 539 | |
| 540 //printf("\t%d\n", (MATCH) implicitConvTo(tp)); | |
| 541 return implicitConvTo(tp); | |
| 542 } | |
| 543 return Type.deduceType(sc, tparam, parameters, dedtypes); | |
| 0 | 544 } |
| 545 | |
| 72 | 546 override bool isauto() |
| 0 | 547 { |
| 548 return sym.isauto; | |
| 549 } | |
| 550 | |
| 72 | 551 override bool checkBoolean() |
| 0 | 552 { |
| 553 return true; | |
| 554 } | |
| 555 | |
| 72 | 556 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 557 { |
| 558 if (sym.isInterfaceDeclaration()) | |
| 559 return new TypeInfoInterfaceDeclaration(this); | |
| 560 else | |
| 561 return new TypeInfoClassDeclaration(this); | |
| 562 } | |
| 563 | |
| 72 | 564 override bool hasPointers() |
| 0 | 565 { |
| 566 return true; | |
| 567 } | |
| 568 | |
| 72 | 569 override bool builtinTypeInfo() |
| 0 | 570 { |
| 571 /* This is statically put out with the ClassInfo, so | |
| 572 * claim it is built in so it isn't regenerated by each module. | |
| 573 */ | |
| 574 version (DMDV2) { | |
| 575 return mod ? false : true; | |
| 576 } else { | |
| 577 return true; | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 version (DMDV2) { | |
| 72 | 582 override Type toHeadMutable() |
| 0 | 583 { |
| 584 assert(false); | |
| 585 } | |
| 586 | |
| 72 | 587 override MATCH constConv(Type to) |
| 0 | 588 { |
| 589 if (equals(to)) | |
| 590 return MATCH.MATCHexact; | |
| 591 | |
| 592 if (ty == to.ty && sym == (cast(TypeClass)to).sym && to.mod == MOD.MODconst) | |
| 593 return MATCH.MATCHconst; | |
| 594 | |
| 595 return MATCH.MATCHnomatch; | |
| 596 } | |
| 597 | |
| 598 version (CPP_MANGLE) { | |
| 599 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 600 { | |
| 601 assert(false); | |
| 602 } | |
| 603 } | |
| 604 } | |
| 605 | |
| 72 | 606 override type* toCtype() |
| 0 | 607 { |
| 608 type* t; | |
| 609 Symbol* s; | |
| 610 | |
| 611 //printf("TypeClass.toCtype() %s\n", toChars()); | |
| 612 if (ctype) | |
| 613 return ctype; | |
| 614 | |
| 615 /* Need this symbol to do C++ name mangling | |
| 616 */ | |
| 617 string name = sym.isCPPinterface() ? sym.ident.toChars() : sym.toPrettyChars(); | |
| 618 s = symbol_calloc(toStringz(name)); | |
| 619 s.Sclass = SC.SCstruct; | |
| 620 s.Sstruct = struct_calloc(); | |
| 621 s.Sstruct.Sflags |= STR.STRclass; | |
| 622 s.Sstruct.Salignsize = sym.alignsize; | |
| 623 s.Sstruct.Sstructalign = cast(ubyte)sym.structalign; | |
| 624 s.Sstruct.Sstructsize = sym.structsize; | |
| 625 | |
| 626 t = type_alloc(TYM.TYstruct); | |
| 627 t.Ttag = cast(Classsym*)s; // structure tag name | |
| 628 t.Tcount++; | |
| 629 s.Stype = t; | |
| 630 slist_add(s); | |
| 631 | |
| 632 t = type_allocn(TYM.TYnptr, t); | |
| 633 | |
| 634 t.Tcount++; | |
| 635 ctype = t; | |
| 636 | |
| 637 /* Add in fields of the class | |
| 638 * (after setting ctype to avoid infinite recursion) | |
| 639 */ | |
| 640 if (global.params.symdebug) | |
| 641 for (int i = 0; i < sym.fields.dim; i++) | |
| 642 { | |
| 79 | 643 VarDeclaration v = cast(VarDeclaration)sym.fields[i]; |
| 0 | 644 |
| 645 Symbol* s2 = symbol_name(toStringz(v.ident.toChars()), SC.SCmember, v.type.toCtype()); | |
| 646 s2.Smemoff = v.offset; | |
| 647 list_append(&s.Sstruct.Sfldlst, s2); | |
| 648 } | |
| 649 | |
| 650 return t; | |
| 651 } | |
| 652 | |
| 72 | 653 override Symbol* toSymbol() |
| 0 | 654 { |
| 655 return sym.toSymbol(); | |
| 656 } | |
| 72 | 657 } |