Mercurial > projects > ddmd
annotate dmd/AggregateDeclaration.d @ 84:be2ab491772e
Expressions -> Vector!Expression
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Mon, 30 Aug 2010 16:12:19 +0100 |
| parents | 43073c7c7769 |
| children | 37b95c347975 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.AggregateDeclaration; |
| 2 | |
| 3 import dmd.ScopeDsymbol; | |
| 4 import dmd.Type; | |
| 5 import dmd.Id; | |
| 6 import dmd.ExpStatement; | |
| 7 import dmd.AddrExp; | |
| 8 import dmd.CastExp; | |
| 9 import dmd.TypeSArray; | |
| 10 import dmd.DotVarExp; | |
| 11 import dmd.TypeStruct; | |
| 12 import dmd.StructDeclaration; | |
| 13 import dmd.Declaration; | |
| 14 import dmd.TypeClass; | |
| 15 import dmd.TOK; | |
| 16 import dmd.ThisExp; | |
| 17 import dmd.PROT; | |
| 18 import dmd.Expression; | |
| 19 import dmd.STC; | |
| 20 import dmd.DotIdExp; | |
| 21 import dmd.CallExp; | |
| 22 import dmd.DtorDeclaration; | |
| 23 import dmd.Lexer; | |
| 24 import dmd.TY; | |
| 25 import dmd.Array; | |
| 26 import dmd.ArrayTypes; | |
| 27 import dmd.VarDeclaration; | |
| 28 import dmd.InvariantDeclaration; | |
| 29 import dmd.NewDeclaration; | |
| 30 import dmd.DeleteDeclaration; | |
| 31 import dmd.CtorDeclaration; | |
| 32 import dmd.FuncDeclaration; | |
| 33 import dmd.Identifier; | |
| 79 | 34 import dmd.Json; |
| 0 | 35 import dmd.Loc; |
| 36 import dmd.Dsymbol; | |
| 37 import dmd.Scope; | |
| 38 import dmd.OutBuffer; | |
| 39 import dmd.ClassDeclaration; | |
| 40 import dmd.BaseClass; | |
| 41 import dmd.Util; | |
| 42 | |
| 43 import dmd.backend.Symbol; | |
| 44 import dmd.backend.Classsym; | |
| 45 import dmd.backend.Util; | |
| 46 import dmd.backend.LIST; | |
| 47 import dmd.backend.SC; | |
| 48 import dmd.backend.FL; | |
| 49 import dmd.backend.SFL; | |
| 50 import dmd.codegen.Util; | |
| 51 | |
| 52 /**************************************** | |
| 53 * Determine if scope sc has package level access to s. | |
| 54 */ | |
| 55 | |
| 56 bool hasPackageAccess(Scope sc, Dsymbol s) | |
| 57 { | |
| 58 version (LOG) { | |
| 59 printf("hasPackageAccess(s = '%s', sc = '%p')\n", s.toChars(), sc); | |
| 60 } | |
| 61 | |
| 62 for (; s; s = s.parent) | |
| 63 { | |
| 64 if (s.isPackage() && !s.isModule()) | |
| 65 break; | |
| 66 } | |
| 67 version (LOG) { | |
| 68 if (s) | |
| 69 printf("\tthis is in package '%s'\n", s.toChars()); | |
| 70 } | |
| 71 | |
| 72 if (s && s == sc.module_.parent) | |
| 73 { | |
| 74 version (LOG) { | |
| 75 printf("\ts is in same package as sc\n"); | |
| 76 } | |
| 77 return true; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 version (LOG) { | |
| 82 printf("\tno package access\n"); | |
| 83 } | |
| 84 | |
| 85 return false; | |
| 86 } | |
| 87 | |
| 88 /******************************************************** | |
| 89 * Helper function for ClassDeclaration.accessCheck() | |
| 90 * Returns: | |
| 91 * 0 no access | |
| 92 * 1 access | |
| 93 */ | |
| 94 | |
| 95 bool accessCheckX(Dsymbol smember, Dsymbol sfunc, AggregateDeclaration dthis, AggregateDeclaration cdscope) | |
| 96 { | |
| 97 assert(dthis); | |
| 98 | |
| 99 static if (false) { | |
| 100 writef("accessCheckX for %s.%s in function %s() in scope %s\n", dthis.toChars(), smember.toChars(), sfunc ? sfunc.toChars() : "null", cdscope ? cdscope.toChars() : "null"); | |
| 101 } | |
| 102 if (dthis.hasPrivateAccess(sfunc) || dthis.isFriendOf(cdscope)) | |
| 103 { | |
| 104 if (smember.toParent() == dthis) | |
| 105 return true; | |
| 106 else | |
| 107 { | |
| 108 ClassDeclaration cdthis = dthis.isClassDeclaration(); | |
| 109 if (cdthis) | |
| 110 { | |
| 111 for (int i = 0; i < cdthis.baseclasses.dim; i++) | |
| 112 { | |
| 113 BaseClass b = cast(BaseClass)cdthis.baseclasses.data[i]; | |
| 114 PROT access = b.base.getAccess(smember); | |
| 115 | |
| 116 if (access >= PROT.PROTprotected || accessCheckX(smember, sfunc, b.base, cdscope)) | |
| 117 return true; | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 if (smember.toParent() != dthis) | |
| 125 { | |
| 126 ClassDeclaration cdthis = dthis.isClassDeclaration(); | |
| 127 if (cdthis) | |
| 128 { | |
| 129 for (int i = 0; i < cdthis.baseclasses.dim; i++) | |
| 130 { | |
| 131 BaseClass b = cast(BaseClass)cdthis.baseclasses.data[i]; | |
| 132 | |
| 133 if (accessCheckX(smember, sfunc, b.base, cdscope)) | |
| 134 return true; | |
| 135 } | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 return false; | |
| 141 } | |
| 142 | |
| 143 class AggregateDeclaration : ScopeDsymbol | |
| 144 { | |
| 145 Type type; | |
| 146 uint storage_class; | |
| 147 PROT protection = PROT.PROTpublic; | |
| 148 Type handle; // 'this' type | |
| 149 uint structsize; // size of struct | |
| 150 uint alignsize; // size of struct for alignment purposes | |
| 151 uint structalign; // struct member alignment in effect | |
| 152 int hasUnions; // set if aggregate has overlapping fields | |
|
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Expressions -> Vector!Expression
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parents:
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changeset
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153 VarDeclarations fields; // VarDeclaration fields |
| 0 | 154 uint sizeok; // set when structsize contains valid data |
| 155 // 0: no size | |
| 156 // 1: size is correct | |
| 157 // 2: cannot determine size; fwd referenced | |
| 158 bool isdeprecated; // true if deprecated | |
| 159 | |
| 160 bool isnested; // true if is nested | |
| 161 VarDeclaration vthis; // 'this' parameter if this aggregate is nested | |
| 162 | |
| 163 // Special member functions | |
| 164 InvariantDeclaration inv; // invariant | |
| 165 NewDeclaration aggNew; // allocator | |
| 166 DeleteDeclaration aggDelete; // deallocator | |
| 167 | |
| 168 version (DMDV2) { | |
| 169 //CtorDeclaration *ctor; | |
| 170 Dsymbol ctor; // CtorDeclaration or TemplateDeclaration | |
| 171 CtorDeclaration defaultCtor; // default constructor | |
| 172 Dsymbol aliasthis; // forward unresolved lookups to aliasthis | |
| 173 } | |
| 174 | |
| 175 FuncDeclarations dtors; // Array of destructors | |
| 176 FuncDeclaration dtor; // aggregate destructor | |
| 177 | |
| 178 version (IN_GCC) { | |
| 179 Array methods; // flat list of all methods for debug information | |
| 180 } | |
| 181 | |
| 182 this(Loc loc, Identifier id) | |
| 183 { | |
| 184 super(id); | |
| 185 this.loc = loc; | |
| 186 | |
|
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Expressions -> Vector!Expression
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parents:
79
diff
changeset
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187 fields = new VarDeclarations(); /// |
| 0 | 188 dtors = new FuncDeclarations(); |
| 189 } | |
| 190 | |
| 72 | 191 override void semantic2(Scope sc) |
| 0 | 192 { |
| 193 //printf("AggregateDeclaration.semantic2(%s)\n", toChars()); | |
| 194 if (scope_ && members) | |
| 195 { | |
| 196 error("has forward references"); | |
| 197 return; | |
| 198 } | |
| 199 if (members) | |
| 200 { | |
| 201 sc = sc.push(this); | |
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202 foreach(Dsymbol s; members) |
| 0 | 203 s.semantic2(sc); |
| 204 sc.pop(); | |
| 205 } | |
| 206 } | |
| 207 | |
| 72 | 208 override void semantic3(Scope sc) |
| 0 | 209 { |
| 210 int i; | |
| 211 | |
| 212 //printf("AggregateDeclaration.semantic3(%s)\n", toChars()); | |
| 213 if (members) | |
| 214 { | |
| 215 sc = sc.push(this); | |
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parents:
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changeset
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216 foreach(Dsymbol s; members) |
| 0 | 217 s.semantic3(sc); |
| 218 sc.pop(); | |
| 219 } | |
| 220 } | |
| 221 | |
| 72 | 222 override void inlineScan() |
| 0 | 223 { |
| 224 int i; | |
| 225 | |
| 226 //printf("AggregateDeclaration.inlineScan(%s)\n", toChars()); | |
| 227 if (members) | |
| 228 { | |
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229 foreach(Dsymbol s; members) |
| 0 | 230 { |
| 231 //printf("inline scan aggregate symbol '%s'\n", s.toChars()); | |
| 232 s.inlineScan(); | |
| 233 } | |
| 234 } | |
| 235 } | |
| 236 | |
| 72 | 237 override uint size(Loc loc) |
| 0 | 238 { |
| 239 //printf("AggregateDeclaration.size() = %d\n", structsize); | |
| 240 if (!members) | |
| 241 error(loc, "unknown size"); | |
| 242 | |
| 243 if (sizeok != 1) | |
| 244 { | |
| 245 error(loc, "no size yet for forward reference"); | |
| 246 //*(char*)0=0; | |
| 247 } | |
| 248 | |
| 249 return structsize; | |
| 250 } | |
| 251 | |
| 252 /**************************** | |
| 253 * Do byte or word alignment as necessary. | |
| 254 * Align sizes of 0, as we may not know array sizes yet. | |
| 255 */ | |
| 256 static void alignmember(uint salign, uint size, uint* poffset) | |
| 257 { | |
| 258 //printf("salign = %d, size = %d, offset = %d\n",salign,size,offset); | |
| 259 if (salign > 1) | |
| 260 { | |
| 261 assert(size != 3); | |
| 262 int sa = size; | |
| 263 if (sa == 0 || salign < sa) | |
| 264 sa = salign; | |
| 265 *poffset = (*poffset + sa - 1) & ~(sa - 1); | |
| 266 } | |
| 267 //printf("result = %d\n",offset); | |
| 268 } | |
| 269 | |
| 72 | 270 override Type getType() |
| 0 | 271 { |
| 272 return type; | |
| 273 } | |
| 274 | |
| 275 void addField(Scope sc, VarDeclaration v) | |
| 276 { | |
| 277 uint memsize; // size of member | |
| 278 uint memalignsize; // size of member for alignment purposes | |
| 279 uint xalign; // alignment boundaries | |
| 280 | |
| 281 //printf("AggregateDeclaration.addField('%s') %s\n", v.toChars(), toChars()); | |
| 282 assert(!(v.storage_class & (STC.STCstatic | STC.STCextern | STC.STCparameter | STC.STCtls))); | |
| 283 | |
| 284 // Check for forward referenced types which will fail the size() call | |
| 285 Type t = v.type.toBasetype(); | |
| 286 if (v.storage_class & STC.STCref) | |
| 287 { // References are the size of a pointer | |
| 288 t = Type.tvoidptr; | |
| 289 } | |
| 290 if (t.ty == TY.Tstruct /*&& isStructDeclaration()*/) | |
| 291 { TypeStruct ts = cast(TypeStruct)t; | |
| 292 version (DMDV2) { | |
| 293 if (ts.sym == this) | |
| 294 { | |
| 295 error("cannot have field %s with same struct type", v.toChars()); | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 if (ts.sym.sizeok != 1) | |
| 300 { | |
| 301 sizeok = 2; // cannot finish; flag as forward referenced | |
| 302 return; | |
| 303 } | |
| 304 } | |
| 305 if (t.ty == TY.Tident) | |
| 306 { | |
| 307 sizeok = 2; // cannot finish; flag as forward referenced | |
| 308 return; | |
| 309 } | |
| 310 | |
| 311 memsize = cast(uint)t.size(loc); /// | |
| 312 memalignsize = t.alignsize(); | |
| 313 xalign = t.memalign(sc.structalign); | |
| 314 alignmember(xalign, memalignsize, &sc.offset); | |
| 315 v.offset = sc.offset; | |
| 316 sc.offset += memsize; | |
| 317 if (sc.offset > structsize) | |
| 318 structsize = sc.offset; | |
| 319 if (sc.structalign < memalignsize) | |
| 320 memalignsize = sc.structalign; | |
| 321 if (alignsize < memalignsize) | |
| 322 alignsize = memalignsize; | |
| 323 //printf("\talignsize = %d\n", alignsize); | |
| 324 | |
| 325 v.storage_class |= STC.STCfield; | |
| 326 //printf(" addField '%s' to '%s' at offset %d, size = %d\n", v.toChars(), toChars(), v.offset, memsize); | |
| 79 | 327 fields.push(v); |
| 0 | 328 } |
| 329 | |
| 72 | 330 override bool isDeprecated() // is aggregate deprecated? |
| 0 | 331 { |
| 332 return isdeprecated; | |
| 333 } | |
| 334 | |
| 335 /***************************************** | |
| 336 * Create inclusive destructor for struct/class by aggregating | |
| 337 * all the destructors in dtors[] with the destructors for | |
| 338 * all the members. | |
| 339 * Note the close similarity with StructDeclaration.buildPostBlit(), | |
| 340 * and the ordering changes (runs backward instead of forwards). | |
| 341 */ | |
| 342 FuncDeclaration buildDtor(Scope sc) | |
| 343 { | |
| 344 //printf("AggregateDeclaration.buildDtor() %s\n", toChars()); | |
| 345 Expression e = null; | |
| 346 | |
| 79 | 347 version (DMDV2) |
| 348 { | |
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84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
349 foreach (size_t i, VarDeclaration v; fields) |
| 0 | 350 { |
| 351 assert(v && v.storage_class & STC.STCfield); | |
| 352 if (v.storage_class & STC.STCref) | |
| 353 continue; | |
| 354 Type tv = v.type.toBasetype(); | |
| 355 size_t dim = 1; | |
| 356 while (tv.ty == TY.Tsarray) | |
| 357 { TypeSArray ta = cast(TypeSArray)tv; | |
| 358 dim *= (cast(TypeSArray)tv).dim.toInteger(); | |
| 359 tv = tv.nextOf().toBasetype(); | |
| 360 } | |
| 361 if (tv.ty == TY.Tstruct) | |
| 362 { TypeStruct ts = cast(TypeStruct)tv; | |
| 363 StructDeclaration sd = ts.sym; | |
| 364 if (sd.dtor) | |
| 365 { | |
| 366 Expression ex; | |
| 367 | |
| 368 // this.v | |
| 369 ex = new ThisExp(Loc(0)); | |
| 370 ex = new DotVarExp(Loc(0), ex, v, 0); | |
| 371 | |
| 372 if (dim == 1) | |
| 373 { | |
| 374 // this.v.dtor() | |
| 375 ex = new DotVarExp(Loc(0), ex, sd.dtor, 0); | |
| 376 ex = new CallExp(Loc(0), ex); | |
| 377 } | |
| 378 else | |
| 379 { | |
| 380 // Typeinfo.destroy(cast(void*)&this.v); | |
| 381 Expression ea = new AddrExp(Loc(0), ex); | |
| 382 ea = new CastExp(Loc(0), ea, Type.tvoid.pointerTo()); | |
| 383 | |
| 384 Expression et = v.type.getTypeInfo(sc); | |
| 385 et = new DotIdExp(Loc(0), et, Id.destroy); | |
| 386 | |
| 387 ex = new CallExp(Loc(0), et, ea); | |
| 388 } | |
| 389 e = Expression.combine(ex, e); // combine in reverse order | |
| 390 } | |
| 391 } | |
| 392 } | |
| 393 | |
| 394 /* Build our own "destructor" which executes e | |
| 395 */ | |
| 396 if (e) | |
| 397 { | |
| 398 //printf("Building __fieldDtor()\n"); | |
| 399 DtorDeclaration dd = new DtorDeclaration(Loc(0), Loc(0), Lexer.idPool("__fieldDtor")); | |
| 400 dd.fbody = new ExpStatement(Loc(0), e); | |
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parents:
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401 dtors.shift(dd); |
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
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402 members.push(dd); |
| 0 | 403 dd.semantic(sc); |
| 404 } | |
| 405 } | |
| 406 | |
| 407 switch (dtors.dim) | |
| 408 { | |
| 409 case 0: | |
| 410 return null; | |
| 411 | |
| 412 case 1: | |
|
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parents:
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diff
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413 return cast(FuncDeclaration)dtors[0]; |
| 0 | 414 |
| 415 default: | |
| 416 e = null; | |
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ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
417 foreach(FuncDeclaration fd; dtors) |
| 0 | 418 { |
| 419 Expression ex = new ThisExp(Loc(0)); | |
| 420 ex = new DotVarExp(Loc(0), ex, fd, 0); | |
| 421 ex = new CallExp(Loc(0), ex); | |
| 422 e = Expression.combine(ex, e); | |
| 423 } | |
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ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
424 auto dd = new DtorDeclaration(Loc(0), Loc(0), Lexer.idPool("__aggrDtor")); |
| 0 | 425 dd.fbody = new ExpStatement(Loc(0), e); |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
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426 members.push(dd); |
| 0 | 427 dd.semantic(sc); |
| 428 return dd; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 /**************************************** | |
| 433 * Returns true if there's an extra member which is the 'this' | |
| 434 * pointer to the enclosing context (enclosing aggregate or function) | |
| 435 */ | |
| 436 bool isNested() | |
| 437 { | |
| 438 return isnested; | |
| 439 } | |
| 440 | |
| 72 | 441 override void emitComment(Scope sc) |
| 0 | 442 { |
| 443 assert(false); | |
| 444 } | |
| 445 | |
| 79 | 446 override void toJsonBuffer(OutBuffer buf) |
| 447 { | |
| 448 //writef("AggregateDeclaration.toJsonBuffer()\n"); | |
| 449 buf.writestring("{\n"); | |
| 450 | |
| 451 JsonProperty(buf, Pname, toChars()); | |
| 452 JsonProperty(buf, Pkind, kind()); | |
| 453 if (comment) | |
| 454 JsonProperty(buf, Pcomment, comment); | |
| 455 if (loc.linnum) | |
| 456 JsonProperty(buf, Pline, loc.linnum); | |
| 457 | |
| 458 ClassDeclaration cd = isClassDeclaration(); | |
| 459 if (cd) | |
| 460 { | |
| 461 if (cd.baseClass) | |
| 462 { | |
| 463 JsonProperty(buf, "base", cd.baseClass.toChars()); | |
| 464 } | |
| 465 if (cd.interfaces_dim) | |
| 466 { | |
| 467 JsonString(buf, "interfaces"); | |
| 468 buf.writestring(" : [\n"); | |
| 469 size_t offset = buf.offset; | |
| 470 for (int i = 0; i < cd.interfaces_dim; i++) | |
| 471 { | |
| 472 BaseClass b = cd.interfaces[i]; | |
| 473 if (offset != buf.offset) | |
| 474 { | |
| 475 buf.writestring(","); | |
| 476 offset = buf.offset; | |
| 477 } | |
| 478 JsonString(buf, b.base.toChars()); | |
| 479 } | |
| 480 buf.writestring("],\n"); | |
| 481 } | |
| 482 } | |
| 483 | |
| 484 JsonString(buf, Pmembers); | |
| 485 buf.writestring(" : [\n"); | |
| 486 size_t offset = buf.offset; | |
| 487 foreach (Dsymbol s; members) | |
| 488 { | |
| 489 if (offset != buf.offset) | |
| 490 { | |
| 491 buf.writestring(","); | |
| 492 offset = buf.offset; | |
| 493 } | |
| 494 s.toJsonBuffer(buf); | |
| 495 } | |
| 496 buf.writestring("]\n"); | |
| 497 | |
| 498 buf.writestring("}\n"); | |
| 499 } | |
| 500 | |
| 72 | 501 override void toDocBuffer(OutBuffer buf) |
| 0 | 502 { |
| 503 assert(false); | |
| 504 } | |
| 505 | |
| 506 // For access checking | |
| 507 PROT getAccess(Dsymbol smember) // determine access to smember | |
| 508 { | |
| 509 assert(false); | |
| 510 } | |
| 511 | |
| 512 /**************************************** | |
| 513 * Determine if this is the same or friend of cd. | |
| 514 */ | |
| 515 bool isFriendOf(AggregateDeclaration cd) | |
| 516 { | |
| 517 version (LOG) { | |
| 518 printf("AggregateDeclaration.isFriendOf(this = '%s', cd = '%s')\n", toChars(), cd ? cd.toChars() : "null"); | |
| 519 } | |
| 520 if (this is cd) | |
| 521 return true; | |
| 522 | |
| 523 // Friends if both are in the same module | |
| 524 //if (toParent() == cd.toParent()) | |
| 525 if (cd && getModule() == cd.getModule()) | |
| 526 { | |
| 527 version (LOG) { | |
| 528 printf("\tin same module\n"); | |
| 529 } | |
| 530 return true; | |
| 531 } | |
| 532 | |
| 533 version (LOG) { | |
| 534 printf("\tnot friend\n"); | |
| 535 } | |
| 536 return false; | |
| 537 } | |
| 538 | |
| 539 /********************************** | |
| 540 * Determine if smember has access to private members of this declaration. | |
| 541 */ | |
| 542 bool hasPrivateAccess(Dsymbol smember) // does smember have private access to members of this class? | |
| 543 { | |
| 544 if (smember) | |
| 545 { | |
| 546 AggregateDeclaration cd = null; | |
| 547 Dsymbol smemberparent = smember.toParent(); | |
| 548 if (smemberparent) | |
| 549 cd = smemberparent.isAggregateDeclaration(); | |
| 550 | |
| 551 version (LOG) { | |
| 552 printf("AggregateDeclaration::hasPrivateAccess(class %s, member %s)\n", toChars(), smember.toChars()); | |
| 553 } | |
| 554 | |
| 555 if (this == cd) // smember is a member of this class | |
| 556 { | |
| 557 version (LOG) { | |
| 558 printf("\tyes 1\n"); | |
| 559 } | |
| 560 return true; // so we get private access | |
| 561 } | |
| 562 | |
| 563 // If both are members of the same module, grant access | |
| 564 while (true) | |
| 565 { | |
| 566 Dsymbol sp = smember.toParent(); | |
| 567 if (sp.isFuncDeclaration() && smember.isFuncDeclaration()) | |
| 568 smember = sp; | |
| 569 else | |
| 570 break; | |
| 571 } | |
| 572 if (!cd && toParent() == smember.toParent()) | |
| 573 { | |
| 574 version (LOG) { | |
| 575 printf("\tyes 2\n"); | |
| 576 } | |
| 577 return true; | |
| 578 } | |
| 579 if (!cd && getModule() == smember.getModule()) | |
| 580 { | |
| 581 version (LOG) { | |
| 582 printf("\tyes 3\n"); | |
| 583 } | |
| 584 return true; | |
| 585 } | |
| 586 } | |
| 587 version (LOG) { | |
| 588 printf("\tno\n"); | |
| 589 } | |
| 590 return false; | |
| 591 } | |
| 592 | |
| 593 /******************************* | |
| 594 * Do access check for member of this class, this class being the | |
| 595 * type of the 'this' pointer used to access smember. | |
| 596 */ | |
| 597 void accessCheck(Loc loc, Scope sc, Dsymbol smember) | |
| 598 { | |
| 599 bool result; | |
| 600 | |
| 601 FuncDeclaration f = sc.func; | |
| 602 AggregateDeclaration cdscope = sc.getStructClassScope(); | |
| 603 PROT access; | |
| 604 | |
| 605 version (LOG) { | |
| 606 printf("AggregateDeclaration.accessCheck() for %s.%s in function %s() in scope %s\n", toChars(), smember.toChars(), f ? f.toChars() : null, cdscope ? cdscope.toChars() : null); | |
| 607 } | |
| 608 | |
| 609 Dsymbol smemberparent = smember.toParent(); | |
| 610 if (!smemberparent || !smemberparent.isAggregateDeclaration()) | |
| 611 { | |
| 612 version (LOG) { | |
| 613 printf("not an aggregate member\n"); | |
| 614 } | |
| 615 return; // then it is accessible | |
| 616 } | |
| 617 | |
| 618 // BUG: should enable this check | |
| 619 //assert(smember.parent.isBaseOf(this, null)); | |
| 620 | |
| 621 if (smemberparent == this) | |
| 622 { | |
| 623 PROT access2 = smember.prot(); | |
| 624 | |
| 625 result = access2 >= PROT.PROTpublic || | |
| 626 hasPrivateAccess(f) || | |
| 627 isFriendOf(cdscope) || | |
| 628 (access2 == PROT.PROTpackage && hasPackageAccess(sc, this)); | |
| 629 | |
| 630 version (LOG) { | |
| 631 printf("result1 = %d\n", result); | |
| 632 } | |
| 633 } | |
| 634 else if ((access = this.getAccess(smember)) >= PROT.PROTpublic) | |
| 635 { | |
| 636 result = true; | |
| 637 version (LOG) { | |
| 638 printf("result2 = %d\n", result); | |
| 639 } | |
| 640 } | |
| 641 else if (access == PROT.PROTpackage && hasPackageAccess(sc, this)) | |
| 642 { | |
| 643 result = true; | |
| 644 version (LOG) { | |
| 645 printf("result3 = %d\n", result); | |
| 646 } | |
| 647 } | |
| 648 else | |
| 649 { | |
| 650 result = accessCheckX(smember, f, this, cdscope); | |
| 651 version (LOG) { | |
| 652 printf("result4 = %d\n", result); | |
| 653 } | |
| 654 } | |
| 655 if (!result) | |
| 656 { | |
| 657 error(loc, "member %s is not accessible", smember.toChars()); | |
| 658 halt(); | |
| 659 } | |
| 660 } | |
| 661 | |
| 72 | 662 override PROT prot() |
| 0 | 663 { |
| 664 assert(false); | |
| 665 } | |
| 666 | |
| 667 // Back end | |
| 668 Symbol* stag; // tag symbol for debug data | |
| 669 Symbol* sinit; | |
| 670 | |
| 671 Symbol* toInitializer() | |
| 672 { | |
| 673 Symbol* s; | |
| 674 Classsym* stag; | |
| 675 | |
| 676 if (!sinit) | |
| 677 { | |
| 678 stag = fake_classsym(Id.ClassInfo); | |
| 679 s = toSymbolX("__init", SC.SCextern, stag.Stype, "Z"); | |
| 680 s.Sfl = FL.FLextern; | |
| 681 s.Sflags |= SFL.SFLnodebug; | |
| 682 slist_add(s); | |
| 683 sinit = s; | |
| 684 } | |
| 685 | |
| 686 return sinit; | |
| 687 } | |
| 688 | |
| 72 | 689 override AggregateDeclaration isAggregateDeclaration() { return this; } |
|
16
5c9b78899f5d
Implemented methods for Tuples, fixed some linking issues.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
690 } |