Mercurial > projects > ddmd
annotate dmd/TypeStruct.d @ 174:af724d3510d7
lot os toCBuffer methods implemented
moved shared Type.* stuff into Global
| author | korDen |
|---|---|
| date | Sun, 10 Oct 2010 03:47:23 +0400 |
| parents | 14feb7ae01a6 |
| children | e3afd1303184 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeStruct; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Type; |
| 55 | 5 import dmd.TypeInstance; |
| 0 | 6 import dmd.StructDeclaration; |
| 7 import dmd.Declaration; | |
| 8 import dmd.STC; | |
| 9 import dmd.MOD; | |
| 10 import dmd.OutBuffer; | |
| 11 import dmd.DotVarExp; | |
| 12 import dmd.TemplateMixin; | |
| 13 import dmd.DotTemplateExp; | |
| 14 import dmd.DsymbolExp; | |
| 15 import dmd.TypeExp; | |
| 16 import dmd.EnumMember; | |
| 17 import dmd.Id; | |
| 18 import dmd.DotIdExp; | |
| 19 import dmd.ScopeExp; | |
| 20 import dmd.TupleExp; | |
| 21 import dmd.TemplateDeclaration; | |
| 22 import dmd.OverloadSet; | |
| 23 import dmd.Import; | |
| 24 import dmd.DotExp; | |
| 25 import dmd.ErrorExp; | |
| 26 import dmd.Loc; | |
| 27 import dmd.Scope; | |
| 28 import dmd.Dsymbol; | |
| 29 import dmd.HdrGenState; | |
| 30 import dmd.Expression; | |
| 31 import dmd.Identifier; | |
| 32 import dmd.MATCH; | |
| 33 import dmd.ArrayTypes; | |
| 55 | 34 import dmd.DYNCAST; |
| 0 | 35 import dmd.TemplateInstance; |
| 36 import dmd.FuncDeclaration; | |
| 37 import dmd.VarExp; | |
| 38 import dmd.CommaExp; | |
| 39 import dmd.ThisExp; | |
| 135 | 40 import dmd.StructLiteralExp; |
| 0 | 41 import dmd.SymbolDeclaration; |
| 42 import dmd.TypeInfoDeclaration; | |
| 43 import dmd.TypeInfoStructDeclaration; | |
| 44 import dmd.TY; | |
| 45 import dmd.TOK; | |
| 46 import dmd.Global; | |
| 47 import dmd.VarDeclaration; | |
| 48 import dmd.Util; | |
| 49 import dmd.expression.Util; | |
| 50 | |
| 51 import dmd.backend.TYPE; | |
| 52 import dmd.backend.dt_t; | |
| 53 import dmd.backend.Symbol; | |
| 54 import dmd.backend.Util; | |
| 55 import dmd.backend.STR; | |
| 56 import dmd.backend.TYM; | |
| 57 import dmd.backend.Classsym; | |
| 58 import dmd.backend.SC; | |
| 59 import dmd.backend.LIST; | |
| 60 | |
| 61 import std.string : toStringz; | |
| 62 | |
| 63 class TypeStruct : Type | |
| 64 { | |
| 65 StructDeclaration sym; | |
| 66 | |
| 67 this(StructDeclaration sym) | |
| 68 { | |
| 69 super(TY.Tstruct); | |
| 70 this.sym = sym; | |
| 71 } | |
| 72 version (DumbClone) { | |
| 174 | 73 } else { |
| 0 | 74 final TypeStruct cloneTo(TypeStruct t) |
| 75 { | |
| 76 super.cloneTo(t); | |
| 77 assert(t.sym is sym); | |
| 78 return t; | |
| 79 } | |
| 174 | 80 |
| 0 | 81 TypeStruct clone() |
| 82 { | |
| 83 assert(this.classinfo == TypeStruct.classinfo); | |
| 84 return cloneTo(new TypeStruct(sym)); | |
| 85 } | |
| 86 } | |
| 72 | 87 override ulong size(Loc loc) |
| 0 | 88 { |
| 89 return sym.size(loc); | |
| 90 } | |
| 174 | 91 |
| 72 | 92 override uint alignsize() |
| 0 | 93 { |
| 94 uint sz; | |
| 95 | |
| 96 sym.size(Loc(0)); // give error for forward references | |
| 97 sz = sym.alignsize; | |
| 98 if (sz > sym.structalign) | |
| 99 sz = sym.structalign; | |
| 100 return sz; | |
| 101 } | |
| 174 | 102 |
| 72 | 103 override string toChars() |
| 0 | 104 { |
| 55 | 105 //printf("sym.parent: %s, deco = %s\n", sym.parent.toChars(), deco); |
| 106 if (mod) | |
| 107 return Type.toChars(); | |
| 108 TemplateInstance ti = sym.parent.isTemplateInstance(); | |
| 109 if (ti && ti.toAlias() == sym) | |
| 110 { | |
| 111 return ti.toChars(); | |
| 112 } | |
| 113 return sym.toChars(); | |
| 0 | 114 } |
| 174 | 115 |
| 72 | 116 override Type syntaxCopy() |
| 0 | 117 { |
| 118 assert(false); | |
| 119 } | |
| 174 | 120 |
| 72 | 121 override Type semantic(Loc loc, Scope sc) |
| 0 | 122 { |
| 123 //printf("TypeStruct.semantic('%s')\n", sym.toChars()); | |
| 124 | |
| 125 /* Cannot do semantic for sym because scope chain may not | |
| 126 * be right. | |
| 127 */ | |
| 128 //sym.semantic(sc); | |
| 129 | |
| 130 return merge(); | |
| 131 } | |
| 174 | 132 |
| 72 | 133 override Dsymbol toDsymbol(Scope sc) |
| 0 | 134 { |
| 135 return sym; | |
| 136 } | |
| 174 | 137 |
| 72 | 138 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 139 { |
| 140 string name = sym.mangle(); | |
| 141 //printf("TypeStruct.toDecoBuffer('%s') = '%s'\n", toChars(), name); | |
| 142 Type.toDecoBuffer(buf, flag); | |
| 143 buf.printf("%s", name); | |
| 144 } | |
| 174 | 145 |
| 72 | 146 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 147 { |
| 148 if (mod != this.mod) | |
| 174 | 149 { |
| 0 | 150 toCBuffer3(buf, hgs, mod); |
| 151 return; | |
| 152 } | |
| 153 TemplateInstance ti = sym.parent.isTemplateInstance(); | |
| 154 if (ti && ti.toAlias() == sym) | |
| 155 buf.writestring(ti.toChars()); | |
| 156 else | |
| 157 buf.writestring(sym.toChars()); | |
| 158 } | |
| 174 | 159 |
| 72 | 160 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 161 { |
| 162 uint offset; | |
| 163 | |
| 164 VarDeclaration v; | |
| 165 Dsymbol s; | |
| 166 DotVarExp de; | |
| 167 Declaration d; | |
| 168 | |
| 169 version (LOGDOTEXP) { | |
| 170 printf("TypeStruct.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 171 } | |
| 172 if (!sym.members) | |
| 173 { | |
| 174 error(e.loc, "struct %s is forward referenced", sym.toChars()); | |
| 175 return new ErrorExp(); | |
| 176 } | |
| 177 | |
| 178 /* If e.tupleof | |
| 179 */ | |
| 180 if (ident is Id.tupleof_) | |
| 181 { | |
| 182 /* Create a TupleExp out of the fields of the struct e: | |
| 183 * (e.field0, e.field1, e.field2, ...) | |
| 184 */ | |
| 185 e = e.semantic(sc); // do this before turning on noaccesscheck | |
|
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186 auto exps = new Expressions; |
| 0 | 187 exps.reserve(sym.fields.dim); |
| 188 for (size_t i = 0; i < sym.fields.dim; i++) | |
| 174 | 189 { |
| 79 | 190 VarDeclaration v2 = cast(VarDeclaration)sym.fields[i]; |
| 0 | 191 Expression fe = new DotVarExp(e.loc, e, v2); |
|
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192 exps.push(fe); |
| 0 | 193 } |
| 194 e = new TupleExp(e.loc, exps); | |
| 195 sc = sc.push(); | |
| 196 sc.noaccesscheck = 1; | |
| 197 e = e.semantic(sc); | |
| 198 sc.pop(); | |
| 199 return e; | |
| 200 } | |
| 201 | |
| 202 if (e.op == TOK.TOKdotexp) | |
| 174 | 203 { |
| 0 | 204 DotExp de2 = cast(DotExp)e; |
| 205 | |
| 206 if (de2.e1.op == TOK.TOKimport) | |
| 207 { | |
| 208 assert(0); // cannot find a case where this happens; leave | |
| 209 // assert in until we do | |
| 210 ScopeExp se = cast(ScopeExp)de2.e1; | |
| 211 | |
| 212 s = se.sds.search(e.loc, ident, 0); | |
| 213 e = de2.e1; | |
| 214 goto L1; | |
| 215 } | |
| 216 } | |
| 217 | |
| 218 s = sym.search(e.loc, ident, 0); | |
| 219 L1: | |
| 220 if (!s) | |
| 221 { | |
|
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dmdfe 2.037 first main iteration
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222 return noMember(sc, e, ident); |
| 0 | 223 } |
| 224 | |
| 225 if (!s.isFuncDeclaration()) // because of overloading | |
| 226 s.checkDeprecated(e.loc, sc); | |
| 227 | |
| 228 s = s.toAlias(); | |
| 229 | |
| 230 v = s.isVarDeclaration(); | |
| 231 if (v && !v.isDataseg()) | |
| 232 { | |
| 233 Expression ei = v.getConstInitializer(); | |
| 234 if (ei) | |
| 174 | 235 { |
| 0 | 236 e = ei.copy(); // need to copy it if it's a StringExp |
| 237 e = e.semantic(sc); | |
| 238 return e; | |
| 239 } | |
| 240 } | |
| 241 | |
| 242 if (s.getType()) | |
| 243 { | |
| 244 //return new DotTypeExp(e.loc, e, s); | |
| 245 return new TypeExp(e.loc, s.getType()); | |
| 246 } | |
| 247 | |
| 248 EnumMember em = s.isEnumMember(); | |
| 249 if (em) | |
| 250 { | |
| 251 assert(em.value); | |
| 252 return em.value.copy(); | |
| 253 } | |
| 254 | |
| 255 TemplateMixin tm = s.isTemplateMixin(); | |
| 256 if (tm) | |
| 257 { | |
| 258 Expression de2 = new DotExp(e.loc, e, new ScopeExp(e.loc, tm)); | |
| 259 de2.type = e.type; | |
| 260 return de2; | |
| 261 } | |
| 262 | |
| 263 TemplateDeclaration td = s.isTemplateDeclaration(); | |
| 264 if (td) | |
| 265 { | |
| 266 e = new DotTemplateExp(e.loc, e, td); | |
| 267 e.semantic(sc); | |
| 268 return e; | |
| 269 } | |
| 270 | |
| 271 TemplateInstance ti = s.isTemplateInstance(); | |
| 272 if (ti) | |
| 174 | 273 { |
| 0 | 274 if (!ti.semanticRun) |
| 275 ti.semantic(sc); | |
| 276 s = ti.inst.toAlias(); | |
| 277 if (!s.isTemplateInstance()) | |
| 278 goto L1; | |
| 279 Expression de2 = new DotExp(e.loc, e, new ScopeExp(e.loc, ti)); | |
| 280 de2.type = e.type; | |
| 281 return de2; | |
| 282 } | |
| 283 | |
| 284 Import timp = s.isImport(); | |
| 285 if (timp) | |
| 286 { | |
| 287 e = new DsymbolExp(e.loc, s, 0); | |
| 288 e = e.semantic(sc); | |
| 289 return e; | |
| 290 } | |
| 291 | |
| 292 OverloadSet o = s.isOverloadSet(); | |
| 293 if (o) | |
| 174 | 294 { |
| 0 | 295 /* We really should allow this, triggered by: |
| 296 * template c() | |
| 297 * { | |
| 298 * void a(); | |
| 299 * void b () { this.a(); } | |
| 300 * } | |
| 301 * struct S | |
| 302 * { | |
| 303 * mixin c; | |
| 304 * mixin c; | |
| 305 * } | |
| 306 * alias S e; | |
| 307 */ | |
| 308 error(e.loc, "overload set for %s.%s not allowed in struct declaration", e.toChars(), ident.toChars()); | |
| 309 return new ErrorExp(); | |
| 310 } | |
| 311 | |
| 312 d = s.isDeclaration(); | |
| 313 | |
| 314 debug { | |
| 315 if (!d) | |
| 316 writef("d = %s '%s'\n", s.kind(), s.toChars()); | |
| 317 } | |
| 318 assert(d); | |
| 319 | |
| 320 if (e.op == TOK.TOKtype) | |
| 174 | 321 { |
| 0 | 322 FuncDeclaration fd = sc.func; |
| 323 | |
| 324 if (d.isTupleDeclaration()) | |
| 325 { | |
| 326 e = new TupleExp(e.loc, d.isTupleDeclaration()); | |
| 327 e = e.semantic(sc); | |
| 328 return e; | |
| 329 } | |
| 330 | |
| 331 if (d.needThis() && fd && fd.vthis) | |
| 332 { | |
| 333 e = new DotVarExp(e.loc, new ThisExp(e.loc), d); | |
| 334 e = e.semantic(sc); | |
| 335 return e; | |
| 336 } | |
| 337 | |
| 338 return new VarExp(e.loc, d, 1); | |
| 339 } | |
| 340 | |
| 341 if (d.isDataseg()) | |
| 342 { | |
| 343 // (e, d) | |
| 344 accessCheck(e.loc, sc, e, d); | |
| 345 VarExp ve = new VarExp(e.loc, d); | |
| 346 e = new CommaExp(e.loc, e, ve); | |
| 347 e.type = d.type; | |
| 348 return e; | |
| 349 } | |
| 350 | |
| 351 if (v) | |
| 352 { | |
| 353 if (v.toParent() != sym) | |
| 354 sym.error(e.loc, "'%s' is not a member", v.toChars()); | |
| 355 | |
| 356 // *(&e + offset) | |
| 357 accessCheck(e.loc, sc, e, d); | |
| 358 static if (false) { | |
| 359 Expression b = new AddrExp(e.loc, e); | |
| 360 b.type = e.type.pointerTo(); | |
| 361 b = new AddExp(e.loc, b, new IntegerExp(e.loc, v.offset, Type.tint32)); | |
| 362 b.type = v.type.pointerTo(); | |
| 363 b = new PtrExp(e.loc, b); | |
| 364 b.type = v.type.addMod(e.type.mod); | |
| 365 return b; | |
| 366 } | |
| 367 } | |
| 368 | |
| 369 de = new DotVarExp(e.loc, e, d); | |
| 370 return de.semantic(sc); | |
| 371 } | |
| 174 | 372 |
| 72 | 373 override uint memalign(uint salign) |
| 0 | 374 { |
| 375 sym.size(Loc(0)); // give error for forward references | |
| 376 return sym.structalign; | |
| 377 } | |
| 174 | 378 |
| 72 | 379 override Expression defaultInit(Loc loc) |
| 0 | 380 { |
| 381 version (LOGDEFAULTINIT) { | |
| 382 printf("TypeStruct::defaultInit() '%s'\n", toChars()); | |
| 383 } | |
| 135 | 384 Symbol *s = sym.toInitializer(); |
| 385 Declaration d = new SymbolDeclaration(sym.loc, s, sym); | |
| 0 | 386 assert(d); |
| 387 d.type = this; | |
| 388 return new VarExp(sym.loc, d); | |
| 389 } | |
| 174 | 390 |
| 135 | 391 /*************************************** |
| 392 * Use when we prefer the default initializer to be a literal, | |
| 393 * rather than a global immutable variable. | |
| 394 */ | |
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395 override Expression defaultInitLiteral(Loc loc) |
| 135 | 396 { |
| 397 version (LOGDEFAULTINIT) { | |
| 398 printf("TypeStruct::defaultInitLiteral() '%s'\n", toChars()); | |
| 399 } | |
| 400 auto structelems = new Expressions(); | |
| 401 structelems.setDim(sym.fields.dim); | |
| 402 for (size_t j = 0; j < structelems.dim; j++) | |
| 403 { | |
| 404 auto vd = cast(VarDeclaration)(sym.fields[j]); | |
| 405 Expression e; | |
| 406 if (vd.init) | |
| 407 e = vd.init.toExpression(); | |
| 408 else | |
| 174 | 409 e = vd.type.defaultInitLiteral(Loc(0)); |
| 135 | 410 structelems[j] = e; |
| 411 } | |
| 412 auto structinit = new StructLiteralExp(loc, cast(StructDeclaration)sym, structelems); | |
| 413 // Why doesn't the StructLiteralExp constructor do this, when | |
| 414 // sym->type != NULL ? | |
| 415 structinit.type = sym.type; | |
| 416 return structinit; | |
| 417 } | |
| 418 | |
| 174 | 419 |
| 72 | 420 override bool isZeroInit(Loc loc) |
| 0 | 421 { |
| 422 return sym.zeroInit; | |
| 423 } | |
| 174 | 424 |
| 73 | 425 override bool isAssignable() |
| 0 | 426 { |
| 427 /* If any of the fields are const or invariant, | |
| 428 * then one cannot assign this struct. | |
| 429 */ | |
| 430 for (size_t i = 0; i < sym.fields.dim; i++) | |
| 174 | 431 { |
| 79 | 432 VarDeclaration v = cast(VarDeclaration)sym.fields[i]; |
| 135 | 433 if (v.isConst() || v.isImmutable()) |
| 0 | 434 return false; |
| 435 } | |
| 436 return true; | |
| 437 } | |
| 174 | 438 |
| 72 | 439 override bool checkBoolean() |
| 0 | 440 { |
| 441 return false; | |
| 442 } | |
| 174 | 443 |
| 72 | 444 override dt_t** toDt(dt_t** pdt) |
| 0 | 445 { |
| 446 sym.toDt(pdt); | |
| 447 return pdt; | |
| 448 } | |
| 174 | 449 |
| 72 | 450 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 451 { |
| 55 | 452 //printf("TypeStruct.deduceType()\n"); |
| 453 //printf("\tthis.parent = %s, ", sym.parent.toChars()); print(); | |
| 454 //printf("\ttparam = %d, ", tparam.ty); tparam.print(); | |
| 455 | |
| 456 /* If this struct is a template struct, and we're matching | |
| 457 * it against a template instance, convert the struct type | |
| 458 * to a template instance, too, and try again. | |
| 459 */ | |
| 460 TemplateInstance ti = sym.parent.isTemplateInstance(); | |
| 461 | |
| 462 if (tparam && tparam.ty == Tinstance) | |
| 463 { | |
| 464 if (ti && ti.toAlias() == sym) | |
| 465 { | |
| 466 TypeInstance t = new TypeInstance(Loc(0), ti); | |
| 467 return t.deduceType(sc, tparam, parameters, dedtypes); | |
| 468 } | |
| 469 | |
| 470 /* Match things like: | |
| 471 * S!(T).foo | |
| 472 */ | |
| 473 TypeInstance tpi = cast(TypeInstance)tparam; | |
| 474 if (tpi.idents.dim) | |
| 475 { Identifier id = cast(Identifier)tpi.idents.data[tpi.idents.dim - 1]; | |
| 476 if (id.dyncast() == DYNCAST.DYNCAST_IDENTIFIER && sym.ident.equals(id)) | |
| 477 { | |
| 478 Type tparent = sym.parent.getType(); | |
| 479 if (tparent) | |
| 480 { | |
| 481 /* Slice off the .foo in S!(T).foo | |
| 482 */ | |
| 483 tpi.idents.dim--; | |
| 484 MATCH m = tparent.deduceType(sc, tpi, parameters, dedtypes); | |
| 485 tpi.idents.dim++; | |
| 486 return m; | |
| 487 } | |
| 488 } | |
| 489 } | |
| 490 } | |
| 491 | |
| 492 // Extra check | |
| 493 if (tparam && tparam.ty == Tstruct) | |
| 494 { | |
| 495 TypeStruct tp = cast(TypeStruct)tparam; | |
| 496 | |
| 497 if (sym != tp.sym) | |
| 498 return MATCHnomatch; | |
| 499 } | |
| 500 return Type.deduceType(sc, tparam, parameters, dedtypes); | |
| 0 | 501 } |
| 174 | 502 |
| 72 | 503 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 504 { |
| 505 return new TypeInfoStructDeclaration(this); | |
| 506 } | |
| 174 | 507 |
| 72 | 508 override bool hasPointers() |
| 0 | 509 { |
| 135 | 510 // Probably should cache this information in sym rather than recompute |
| 0 | 511 StructDeclaration s = sym; |
| 512 | |
| 513 sym.size(Loc(0)); // give error for forward references | |
|
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Previous commit didn't compile. Fixed.
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
514 foreach (VarDeclaration sm; s.fields) |
| 0 | 515 { |
| 516 Declaration d = sm.isDeclaration(); | |
| 517 if (d.storage_class & STC.STCref || d.hasPointers()) | |
| 518 return true; | |
| 519 } | |
| 520 | |
| 521 return false; | |
| 522 } | |
| 174 | 523 |
| 72 | 524 override MATCH implicitConvTo(Type to) |
| 0 | 525 { |
| 526 MATCH m; | |
| 527 | |
| 528 //printf("TypeStruct.implicitConvTo(%s => %s)\n", toChars(), to.toChars()); | |
| 529 if (ty == to.ty && sym == (cast(TypeStruct)to).sym) | |
| 174 | 530 { |
| 0 | 531 m = MATCHexact; // exact match |
| 532 if (mod != to.mod) | |
| 533 { | |
| 135 | 534 if (MODimplicitConv(mod, to.mod)) |
| 0 | 535 m = MATCHconst; |
| 536 else | |
| 537 { /* Check all the fields. If they can all be converted, | |
| 538 * allow the conversion. | |
| 539 */ | |
|
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Previous commit didn't compile. Fixed.
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
540 foreach (VarDeclaration v; sym.fields) |
| 174 | 541 { |
| 0 | 542 assert(v && v.storage_class & STCfield); |
| 543 | |
| 544 // 'from' type | |
| 545 Type tvf = v.type.addMod(mod); | |
| 546 | |
| 547 // 'to' type | |
| 548 Type tv = v.type.castMod(to.mod); | |
| 549 | |
| 550 //printf("\t%s => %s, match = %d\n", v.type.toChars(), tv.toChars(), tvf.implicitConvTo(tv)); | |
| 551 if (tvf.implicitConvTo(tv) < MATCHconst) | |
| 552 return MATCHnomatch; | |
| 553 } | |
| 554 m = MATCHconst; | |
| 555 } | |
| 556 } | |
| 557 } | |
| 558 else if (sym.aliasthis) | |
| 559 { | |
| 560 m = MATCHnomatch; | |
| 561 Declaration d = sym.aliasthis.isDeclaration(); | |
| 562 if (d) | |
| 174 | 563 { |
| 0 | 564 assert(d.type); |
| 565 Type t = d.type.addMod(mod); | |
| 566 m = t.implicitConvTo(to); | |
| 567 } | |
| 568 } | |
| 569 else | |
| 570 m = MATCHnomatch; // no match | |
| 571 return m; | |
| 572 } | |
| 174 | 573 |
| 72 | 574 override MATCH constConv(Type to) |
| 0 | 575 { |
| 576 if (equals(to)) | |
| 577 return MATCHexact; | |
| 135 | 578 if (ty == to.ty && sym == (cast(TypeStruct)to).sym && |
| 579 MODimplicitConv(mod, to.mod)) | |
| 0 | 580 return MATCHconst; |
| 581 return MATCHnomatch; | |
| 582 } | |
| 174 | 583 |
| 72 | 584 override Type toHeadMutable() |
| 0 | 585 { |
| 586 assert(false); | |
| 587 } | |
| 174 | 588 |
| 0 | 589 version (CPP_MANGLE) { |
| 590 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 591 { | |
| 592 assert(false); | |
| 593 } | |
| 594 } | |
| 595 | |
| 72 | 596 override type* toCtype() |
| 0 | 597 { |
| 598 type* t; | |
| 599 Symbol* s; | |
| 600 | |
| 601 if (ctype) | |
| 602 return ctype; | |
| 603 | |
| 604 //printf("TypeStruct.toCtype() '%s'\n", sym.toChars()); | |
| 605 s = symbol_calloc(toStringz(sym.toPrettyChars())); | |
| 606 s.Sclass = SC.SCstruct; | |
| 607 s.Sstruct = struct_calloc(); | |
| 608 s.Sstruct.Sflags |= 0; /// huh? | |
| 609 s.Sstruct.Salignsize = sym.alignsize; | |
| 610 s.Sstruct.Sstructalign = cast(ubyte)sym.structalign; | |
| 611 s.Sstruct.Sstructsize = sym.structsize; | |
| 612 | |
| 613 if (sym.isUnionDeclaration()) | |
| 614 s.Sstruct.Sflags |= STR.STRunion; | |
| 615 | |
| 616 t = type_alloc(TYM.TYstruct); | |
| 617 t.Ttag = cast(Classsym*)s; // structure tag name | |
| 618 t.Tcount++; | |
| 619 s.Stype = t; | |
| 620 slist_add(s); | |
| 621 ctype = t; | |
| 622 | |
| 623 /* Add in fields of the struct | |
| 624 * (after setting ctype to avoid infinite recursion) | |
| 625 */ | |
| 626 if (global.params.symdebug) { | |
| 627 for (int i = 0; i < sym.fields.dim; i++) | |
| 174 | 628 { |
| 79 | 629 VarDeclaration v = cast(VarDeclaration)sym.fields[i]; |
| 0 | 630 |
| 631 Symbol* s2 = symbol_name(toStringz(v.ident.toChars()), SC.SCmember, v.type.toCtype()); | |
| 632 s2.Smemoff = v.offset; | |
| 633 list_append(&s.Sstruct.Sfldlst, s2); | |
| 634 } | |
| 635 } | |
| 636 | |
| 637 //printf("t = %p, Tflags = x%x\n", t, t.Tflags); | |
| 638 return t; | |
| 639 } | |
| 72 | 640 } |