Mercurial > projects > ddmd
annotate dmd/Parser.d @ 19:01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
| author | Robert Clipsham <robert@octarineparrot.com> |
|---|---|
| date | Tue, 06 Apr 2010 02:21:04 +0100 |
| parents | d706d958e4e8 |
| children | 460959608115 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Parser; |
| 2 | |
| 3 import dmd.Lexer; | |
| 4 import dmd.PostBlitDeclaration; | |
| 5 import dmd.FileInitExp; | |
| 6 import dmd.LineInitExp; | |
| 7 import dmd.EnumMember; | |
| 8 import dmd.CtorDeclaration; | |
| 9 import dmd.ShlAssignExp; | |
| 10 import dmd.ShrAssignExp; | |
| 11 import dmd.UshrAssignExp; | |
| 12 import dmd.CatAssignExp; | |
| 13 import dmd.StaticIfCondition; | |
| 14 import dmd.TraitsExp; | |
| 15 import dmd.BaseClass; | |
| 16 import dmd.AssignExp; | |
| 17 import dmd.TemplateInstance; | |
| 18 import dmd.NewExp; | |
| 19 import dmd.ArrayExp; | |
| 20 import dmd.DotTemplateInstanceExp; | |
| 21 import dmd.ClassDeclaration; | |
| 22 import dmd.NewAnonClassExp; | |
| 23 import dmd.InterfaceDeclaration; | |
| 24 import dmd.StructDeclaration; | |
| 25 import dmd.UnionDeclaration; | |
| 26 import dmd.AnonDeclaration; | |
| 27 import dmd.StructInitializer; | |
| 28 import dmd.ArrayInitializer; | |
| 29 import dmd.ExpInitializer; | |
| 30 import dmd.TemplateAliasParameter; | |
| 31 import dmd.TemplateTupleParameter; | |
| 32 import dmd.TemplateThisParameter; | |
| 33 import dmd.TemplateValueParameter; | |
| 34 import dmd.VoidInitializer; | |
| 35 import dmd.VersionCondition; | |
| 36 import dmd.DotIdExp; | |
| 37 import dmd.DebugCondition; | |
| 38 import dmd.PostExp; | |
| 39 import dmd.CallExp; | |
| 40 import dmd.SliceExp; | |
| 41 import dmd.FuncExp; | |
| 42 import dmd.AssocArrayLiteralExp; | |
| 43 import dmd.ArrayLiteralExp; | |
| 44 import dmd.IsExp; | |
| 45 import dmd.FuncLiteralDeclaration; | |
| 46 import dmd.AssertExp; | |
| 47 import dmd.CompileExp; | |
| 48 import dmd.FileExp; | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
49 import dmd.TemplateMixin; |
| 0 | 50 import dmd.TemplateParameter; |
| 51 import dmd.TemplateTypeParameter; | |
| 52 import dmd.TypeidExp; | |
| 53 import dmd.StringExp; | |
| 54 import dmd.ScopeExp; | |
| 55 import dmd.IdentifierExp; | |
| 56 import dmd.DollarExp; | |
| 57 import dmd.ThisExp; | |
| 58 import dmd.SuperExp; | |
| 59 import dmd.NullExp; | |
| 60 import dmd.RealExp; | |
| 61 import dmd.TypeExp; | |
| 62 import dmd.AddrExp; | |
| 63 import dmd.MOD; | |
| 64 import dmd.IntegerExp; | |
| 65 import dmd.CastExp; | |
| 66 import dmd.PtrExp; | |
| 67 import dmd.NegExp; | |
| 68 import dmd.XorAssignExp; | |
| 69 import dmd.OrAssignExp; | |
| 70 import dmd.UAddExp; | |
| 71 import dmd.NotExp; | |
| 72 import dmd.ComExp; | |
| 73 import dmd.DeleteExp; | |
| 74 import dmd.MulAssignExp; | |
| 75 import dmd.ModAssignExp; | |
| 76 import dmd.MinAssignExp; | |
| 77 import dmd.DivAssignExp; | |
| 78 import dmd.AndAssignExp; | |
| 79 import dmd.AddAssignExp; | |
| 80 import dmd.ModuleDeclaration; | |
| 81 import dmd.CaseRangeStatement; | |
| 82 import dmd.CommaExp; | |
| 83 import dmd.XorExp; | |
| 84 import dmd.CondExp; | |
| 85 import dmd.CmpExp; | |
| 86 import dmd.InExp; | |
| 87 import dmd.OrOrExp; | |
| 88 import dmd.OrExp; | |
| 89 import dmd.AddExp; | |
| 90 import dmd.MinExp; | |
| 91 import dmd.CatExp; | |
| 92 import dmd.AndAndExp; | |
| 93 import dmd.EqualExp; | |
| 94 import dmd.ShlExp; | |
| 95 import dmd.ShrExp; | |
| 96 import dmd.DivExp; | |
| 97 import dmd.MulExp; | |
| 98 import dmd.ModExp; | |
| 99 import dmd.UshrExp; | |
| 100 import dmd.IdentityExp; | |
| 101 import dmd.AndExp; | |
| 102 import dmd.Id; | |
| 103 import dmd.LabelStatement; | |
| 104 import dmd.ExpStatement; | |
| 105 import dmd.StaticAssertStatement; | |
| 106 import dmd.DeclarationStatement; | |
| 107 import dmd.ScopeStatement; | |
| 108 import dmd.PragmaStatement; | |
| 109 import dmd.WhileStatement; | |
| 110 import dmd.DoStatement; | |
| 111 import dmd.ForStatement; | |
| 112 import dmd.OnScopeStatement; | |
| 113 import dmd.IfStatement; | |
| 114 import dmd.SwitchStatement; | |
| 115 import dmd.CaseStatement; | |
| 116 import dmd.DefaultStatement; | |
| 117 import dmd.GotoDefaultStatement; | |
| 118 import dmd.GotoCaseStatement; | |
| 119 import dmd.GotoStatement; | |
| 120 import dmd.SynchronizedStatement; | |
| 121 import dmd.WithStatement; | |
| 122 import dmd.Catch; | |
| 123 import dmd.TryCatchStatement; | |
| 124 import dmd.TryFinallyStatement; | |
| 125 import dmd.ThrowStatement; | |
| 126 import dmd.VolatileStatement; | |
| 127 import dmd.ReturnStatement; | |
| 128 import dmd.BreakStatement; | |
| 129 import dmd.ContinueStatement; | |
| 130 import dmd.AsmStatement; | |
| 131 import dmd.TypeReturn; | |
| 132 import dmd.TypeTypeof; | |
| 133 import dmd.ForeachRangeStatement; | |
| 134 import dmd.ForeachStatement; | |
| 135 import dmd.CompileStatement; | |
| 136 import dmd.CompoundStatement; | |
| 137 import dmd.ConditionalStatement; | |
| 138 import dmd.CompoundDeclarationStatement; | |
| 139 import dmd.Argument; | |
| 140 import dmd.ParseStatementFlags; | |
| 141 import dmd.TypeNext; | |
| 142 import dmd.TypeInstance; | |
| 143 import dmd.TypePointer; | |
| 144 import dmd.TypeDArray; | |
| 145 import dmd.TypeAArray; | |
| 146 import dmd.TypeSlice; | |
| 147 import dmd.TypeSArray; | |
| 148 import dmd.TemplateInstance; | |
| 149 import dmd.TypeIdentifier; | |
| 150 import dmd.VarDeclaration; | |
| 151 import dmd.TypeFunction; | |
| 152 import dmd.TypeDelegate; | |
| 153 import dmd.TY; | |
| 154 import dmd.LinkDeclaration; | |
| 155 import dmd.Declaration; | |
| 156 import dmd.AggregateDeclaration; | |
| 157 import dmd.TypedefDeclaration; | |
| 158 import dmd.AliasDeclaration; | |
| 159 import dmd.LINK; | |
| 160 import dmd.Loc; | |
| 161 import dmd.Module; | |
| 162 import dmd.Array; | |
| 163 import dmd.Expression; | |
| 164 import dmd.TemplateDeclaration; | |
| 165 import dmd.ArrayTypes; | |
| 166 import dmd.Dsymbol; | |
| 167 import dmd.StaticAssert; | |
| 168 import dmd.TypeQualified; | |
| 169 import dmd.Condition; | |
| 170 import dmd.PostBlitDeclaration; | |
| 171 import dmd.DtorDeclaration; | |
| 172 import dmd.ConditionalDeclaration; | |
| 173 import dmd.StaticCtorDeclaration; | |
| 174 import dmd.StaticDtorDeclaration; | |
| 175 import dmd.InvariantDeclaration; | |
| 176 import dmd.UnitTestDeclaration; | |
| 177 import dmd.NewDeclaration; | |
| 178 import dmd.DeleteDeclaration; | |
| 179 import dmd.EnumDeclaration; | |
| 180 import dmd.Import; | |
| 181 import dmd.Type; | |
| 182 import dmd.Identifier; | |
| 183 import dmd.FuncDeclaration; | |
| 184 import dmd.Statement; | |
| 185 import dmd.Initializer; | |
| 186 import dmd.Token; | |
| 187 import dmd.TOK; | |
| 188 import dmd.ParseStatementFlags; | |
| 189 import dmd.PROT; | |
| 190 import dmd.STC; | |
| 191 import dmd.Util; | |
| 192 import dmd.CompileDeclaration; | |
| 193 import dmd.StaticIfDeclaration; | |
| 194 import dmd.StorageClassDeclaration; | |
| 195 import dmd.LinkDeclaration; | |
| 196 import dmd.ProtDeclaration; | |
| 197 import dmd.AlignDeclaration; | |
| 198 import dmd.PragmaDeclaration; | |
| 199 import dmd.DebugSymbol; | |
| 200 import dmd.VersionSymbol; | |
| 201 import dmd.AliasThis; | |
| 202 import dmd.Global; | |
| 203 | |
| 204 import core.stdc.string : memcpy; | |
| 205 | |
| 206 import std.contracts; | |
| 4 | 207 import core.memory; |
| 0 | 208 |
| 209 class Parser : Lexer | |
| 210 { | |
| 211 ModuleDeclaration md; | |
| 212 LINK linkage; | |
| 213 Loc endloc; // set to location of last right curly | |
| 214 int inBrackets; // inside [] of array index or slice | |
| 215 | |
| 216 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 217 { | |
| 218 super(module_, base, 0, length, doDocComment, 0); | |
| 219 //printf("Parser.Parser()\n"); | |
| 220 linkage = LINK.LINKd; | |
| 221 //nextToken(); // start up the scanner | |
| 222 } | |
| 223 | |
| 224 Array parseModule() | |
| 225 { | |
| 226 Array decldefs; | |
| 227 | |
| 228 // ModuleDeclation leads off | |
| 229 if (token.value == TOK.TOKmodule) | |
| 230 { | |
| 231 ubyte* comment = token.blockComment; | |
| 232 bool safe = false; | |
| 233 | |
| 234 nextToken(); | |
| 235 version (DMDV2) { | |
| 236 if (token.value == TOK.TOKlparen) | |
| 237 { | |
| 238 nextToken(); | |
| 239 if (token.value != TOK.TOKidentifier) | |
| 240 { | |
| 241 error("module (system) identifier expected"); | |
| 242 goto Lerr; | |
| 243 } | |
| 244 Identifier id = token.ident; | |
| 245 | |
| 246 if (id is Id.system) | |
| 247 safe = true; | |
| 248 else | |
| 249 error("(safe) expected, not %s", id.toChars()); | |
| 250 nextToken(); | |
| 251 check(TOK.TOKrparen); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 if (token.value != TOK.TOKidentifier) | |
| 256 { | |
| 257 error("Identifier expected following module"); | |
| 258 goto Lerr; | |
| 259 } | |
| 260 else | |
| 261 { | |
| 262 Array a = null; | |
| 263 Identifier id = token.ident; | |
| 264 while (nextToken() == TOK.TOKdot) | |
| 265 { | |
| 266 if (!a) | |
| 267 a = new Array(); | |
| 268 a.push(cast(void*)id); | |
| 269 nextToken(); | |
| 270 if (token.value != TOK.TOKidentifier) | |
| 271 { error("Identifier expected following package"); | |
| 272 goto Lerr; | |
| 273 } | |
| 274 id = token.ident; | |
| 275 } | |
| 276 | |
| 277 md = new ModuleDeclaration(a, id, safe); | |
| 278 | |
| 279 if (token.value != TOK.TOKsemicolon) | |
| 280 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 281 | |
| 282 nextToken(); | |
| 283 addComment(mod, comment); | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 decldefs = parseDeclDefs(0); | |
| 288 if (token.value != TOK.TOKeof) | |
| 289 { | |
| 290 error("unrecognized declaration"); | |
| 291 goto Lerr; | |
| 292 } | |
| 293 | |
| 294 return decldefs; | |
| 295 | |
| 296 Lerr: | |
| 297 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 298 nextToken(); | |
| 299 | |
| 300 nextToken(); | |
| 301 return new Array(); | |
| 302 } | |
| 303 | |
| 304 Array parseDeclDefs(int once) | |
| 305 { | |
| 306 Dsymbol s; | |
| 307 Array decldefs; | |
| 308 Array a; | |
| 309 Array aelse; | |
| 310 PROT prot; | |
| 311 STC stc; | |
| 312 STC storageClass; | |
| 313 Condition condition; | |
| 314 ubyte* comment; | |
| 315 | |
| 316 //printf("Parser.parseDeclDefs()\n"); | |
| 317 decldefs = new Array(); | |
| 318 do | |
| 319 { | |
| 320 comment = token.blockComment; | |
| 321 storageClass = STC.STCundefined; | |
| 322 switch (token.value) | |
| 323 { | |
| 324 case TOK.TOKenum: | |
| 325 { /* Determine if this is a manifest constant declaration, | |
| 326 * or a conventional enum. | |
| 327 */ | |
| 328 Token *t = peek(&token); | |
| 329 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 330 s = parseEnum(); | |
| 331 else if (t.value != TOK.TOKidentifier) | |
| 332 goto Ldeclaration; | |
| 333 else | |
| 334 { | |
| 335 t = peek(t); | |
| 336 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 337 t.value == TOK.TOKsemicolon) | |
| 338 s = parseEnum(); | |
| 339 else | |
| 340 goto Ldeclaration; | |
| 341 } | |
| 342 break; | |
| 343 } | |
| 344 | |
| 345 case TOK.TOKstruct: | |
| 346 case TOK.TOKunion: | |
| 347 case TOK.TOKclass: | |
| 348 case TOK.TOKinterface: | |
| 349 s = parseAggregate(); | |
| 350 break; | |
| 351 | |
| 352 case TOK.TOKimport: | |
| 353 s = parseImport(decldefs, 0); | |
| 354 break; | |
| 355 | |
| 356 case TOK.TOKtemplate: | |
| 357 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 358 break; | |
| 359 | |
| 360 case TOK.TOKmixin: | |
| 361 { Loc loc = this.loc; | |
| 362 if (peek(&token).value == TOK.TOKlparen) | |
| 363 { // mixin(string) | |
| 364 nextToken(); | |
| 365 check(TOK.TOKlparen, "mixin"); | |
| 366 Expression e = parseAssignExp(); | |
| 367 check(TOK.TOKrparen); | |
| 368 check(TOK.TOKsemicolon); | |
| 369 s = new CompileDeclaration(loc, e); | |
| 370 break; | |
| 371 } | |
| 372 s = parseMixin(); | |
| 373 break; | |
| 374 } | |
| 375 | |
| 376 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 377 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 378 case TOK.TOKint8: case TOK.TOKuns8: | |
| 379 case TOK.TOKint16: case TOK.TOKuns16: | |
| 380 case TOK.TOKint32: case TOK.TOKuns32: | |
| 381 case TOK.TOKint64: case TOK.TOKuns64: | |
| 382 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 383 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 384 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 385 case TOK.TOKvoid: | |
| 386 case TOK.TOKalias: | |
| 387 case TOK.TOKtypedef: | |
| 388 case TOK.TOKidentifier: | |
| 389 case TOK.TOKtypeof: | |
| 390 case TOK.TOKdot: | |
| 391 Ldeclaration: | |
| 392 a = parseDeclarations(STC.STCundefined); | |
| 393 decldefs.append(a); | |
| 394 continue; | |
| 395 | |
| 396 case TOK.TOKthis: | |
| 397 s = parseCtor(); | |
| 398 break; | |
| 399 | |
| 400 static if (false) { // dead end, use this(this){} instead | |
| 401 case TOK.TOKassign: | |
| 402 s = parsePostBlit(); | |
| 403 break; | |
| 404 } | |
| 405 case TOK.TOKtilde: | |
| 406 s = parseDtor(); | |
| 407 break; | |
| 408 | |
| 409 case TOK.TOKinvariant: | |
| 410 { Token *t; | |
| 411 t = peek(&token); | |
| 412 if (t.value == TOK.TOKlparen) | |
| 413 { | |
| 414 if (peek(t).value == TOK.TOKrparen) | |
| 415 // invariant() forms start of class invariant | |
| 416 s = parseInvariant(); | |
| 417 else | |
| 418 // invariant(type) | |
| 419 goto Ldeclaration; | |
| 420 } | |
| 421 else | |
| 422 { | |
| 423 stc = STC.STCimmutable; | |
| 424 goto Lstc; | |
| 425 } | |
| 426 break; | |
| 427 } | |
| 428 | |
| 429 case TOK.TOKunittest: | |
| 430 s = parseUnitTest(); | |
| 431 break; | |
| 432 | |
| 433 case TOK.TOKnew: | |
| 434 s = parseNew(); | |
| 435 break; | |
| 436 | |
| 437 case TOK.TOKdelete: | |
| 438 s = parseDelete(); | |
| 439 break; | |
| 440 | |
| 441 case TOK.TOKeof: | |
| 442 case TOK.TOKrcurly: | |
| 443 return decldefs; | |
| 444 | |
| 445 case TOK.TOKstatic: | |
| 446 nextToken(); | |
| 447 if (token.value == TOK.TOKthis) | |
| 448 s = parseStaticCtor(); | |
| 449 else if (token.value == TOK.TOKtilde) | |
| 450 s = parseStaticDtor(); | |
| 451 else if (token.value == TOK.TOKassert) | |
| 452 s = parseStaticAssert(); | |
| 453 else if (token.value == TOK.TOKif) | |
| 454 { condition = parseStaticIfCondition(); | |
| 455 a = parseBlock(); | |
| 456 aelse = null; | |
| 457 if (token.value == TOK.TOKelse) | |
| 458 { nextToken(); | |
| 459 aelse = parseBlock(); | |
| 460 } | |
| 461 s = new StaticIfDeclaration(condition, a, aelse); | |
| 462 break; | |
| 463 } | |
| 464 else if (token.value == TOK.TOKimport) | |
| 465 { | |
| 466 s = parseImport(decldefs, 1); | |
| 467 } | |
| 468 else | |
| 469 { stc = STC.STCstatic; | |
| 470 goto Lstc2; | |
| 471 } | |
| 472 break; | |
| 473 | |
| 474 case TOK.TOKconst: | |
| 475 if (peek(&token).value == TOK.TOKlparen) | |
| 476 goto Ldeclaration; | |
| 477 stc = STC.STCconst; | |
| 478 goto Lstc; | |
| 479 | |
| 480 case TOK.TOKimmutable: | |
| 481 if (peek(&token).value == TOK.TOKlparen) | |
| 482 goto Ldeclaration; | |
| 483 stc = STC.STCimmutable; | |
| 484 goto Lstc; | |
| 485 | |
| 486 case TOK.TOKshared: | |
| 487 if (peek(&token).value == TOK.TOKlparen) | |
| 488 goto Ldeclaration; | |
| 489 stc = STC.STCshared; | |
| 490 goto Lstc; | |
| 491 | |
| 492 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 493 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 494 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 495 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 496 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 497 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 498 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 499 version (DMDV2) { | |
| 500 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 501 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 502 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 503 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 504 case TOK.TOKgshared: | |
| 505 stc = STC.STCgshared; goto Lstc; | |
| 506 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 507 } | |
| 508 | |
| 509 Lstc: | |
| 510 if (storageClass & stc) | |
| 511 error("redundant storage class %s", Token.toChars(token.value)); | |
| 512 composeStorageClass(storageClass | stc); | |
| 513 nextToken(); | |
| 514 Lstc2: | |
| 515 storageClass |= stc; | |
| 516 switch (token.value) | |
| 517 { | |
| 518 case TOK.TOKconst: | |
| 519 case TOK.TOKinvariant: | |
| 520 case TOK.TOKimmutable: | |
| 521 case TOK.TOKshared: | |
| 522 // If followed by a (, it is not a storage class | |
| 523 if (peek(&token).value == TOK.TOKlparen) | |
| 524 break; | |
| 525 if (token.value == TOK.TOKconst) | |
| 526 stc = STC.STCconst; | |
| 527 else if (token.value == TOK.TOKshared) | |
| 528 stc = STC.STCshared; | |
| 529 else | |
| 530 stc = STC.STCimmutable; | |
| 531 goto Lstc; | |
| 532 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 533 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 534 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 535 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 536 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 537 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 538 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 539 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 540 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 541 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 542 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 543 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 544 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 545 default: | |
| 546 break; | |
| 547 } | |
| 548 | |
| 549 /* Look for auto initializers: | |
| 550 * storage_class identifier = initializer; | |
| 551 */ | |
| 552 if (token.value == TOK.TOKidentifier && | |
| 553 peek(&token).value == TOK.TOKassign) | |
| 554 { | |
| 555 a = parseAutoDeclarations(storageClass, comment); | |
| 556 decldefs.append(a); | |
| 557 continue; | |
| 558 } | |
| 559 | |
| 560 /* Look for return type inference for template functions. | |
| 561 */ | |
| 562 Token *tk; | |
| 563 if (token.value == TOK.TOKidentifier && | |
| 564 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 565 skipParens(tk, &tk) && | |
| 566 (peek(tk).value == TOK.TOKlparen || | |
| 567 peek(tk).value == TOK.TOKlcurly) | |
| 568 ) | |
| 569 { | |
| 570 a = parseDeclarations(storageClass); | |
| 571 decldefs.append(a); | |
| 572 continue; | |
| 573 } | |
| 574 a = parseBlock(); | |
| 575 s = new StorageClassDeclaration(storageClass, a); | |
| 576 break; | |
| 577 | |
| 578 case TOK.TOKextern: | |
| 579 if (peek(&token).value != TOK.TOKlparen) | |
| 580 { | |
| 581 stc = STC.STCextern; | |
| 582 goto Lstc; | |
| 583 } | |
| 584 { | |
| 585 LINK linksave = linkage; | |
| 586 linkage = parseLinkage(); | |
| 587 a = parseBlock(); | |
| 588 s = new LinkDeclaration(linkage, a); | |
| 589 linkage = linksave; | |
| 590 break; | |
| 591 } | |
| 592 | |
| 593 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 594 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 595 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 596 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 597 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 598 Lprot: | |
| 599 nextToken(); | |
| 600 switch (token.value) | |
| 601 { | |
| 602 case TOK.TOKprivate: | |
| 603 case TOK.TOKpackage: | |
| 604 case TOK.TOKprotected: | |
| 605 case TOK.TOKpublic: | |
| 606 case TOK.TOKexport: | |
| 607 error("redundant protection attribute"); | |
| 608 break; | |
| 609 default: | |
| 610 break; | |
| 611 } | |
| 612 a = parseBlock(); | |
| 613 s = new ProtDeclaration(prot, a); | |
| 614 break; | |
| 615 | |
| 616 case TOK.TOKalign: | |
| 617 { uint n; | |
| 618 | |
| 619 s = null; | |
| 620 nextToken(); | |
| 621 if (token.value == TOK.TOKlparen) | |
| 622 { | |
| 623 nextToken(); | |
| 624 if (token.value == TOK.TOKint32v) | |
| 625 n = cast(uint)token.uns64value; | |
| 626 else | |
| 627 { error("integer expected, not %s", token.toChars()); | |
| 628 n = 1; | |
| 629 } | |
| 630 nextToken(); | |
| 631 check(TOK.TOKrparen); | |
| 632 } | |
| 633 else | |
| 634 n = global.structalign; // default | |
| 635 | |
| 636 a = parseBlock(); | |
| 637 s = new AlignDeclaration(n, a); | |
| 638 break; | |
| 639 } | |
| 640 | |
| 641 case TOK.TOKpragma: | |
| 642 { Identifier ident; | |
| 643 Expressions args = null; | |
| 644 | |
| 645 nextToken(); | |
| 646 check(TOK.TOKlparen); | |
| 647 if (token.value != TOK.TOKidentifier) | |
| 648 { error("pragma(identifier expected"); | |
| 649 goto Lerror; | |
| 650 } | |
| 651 ident = token.ident; | |
| 652 nextToken(); | |
| 653 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 654 args = parseArguments(); // pragma(identifier, args...) | |
| 655 else | |
| 656 check(TOK.TOKrparen); // pragma(identifier) | |
| 657 | |
| 658 if (token.value == TOK.TOKsemicolon) | |
| 659 a = null; | |
| 660 else | |
| 661 a = parseBlock(); | |
| 662 s = new PragmaDeclaration(loc, ident, args, a); | |
| 663 break; | |
| 664 } | |
| 665 | |
| 666 case TOK.TOKdebug: | |
| 667 nextToken(); | |
| 668 if (token.value == TOK.TOKassign) | |
| 669 { | |
| 670 nextToken(); | |
| 671 if (token.value == TOK.TOKidentifier) | |
| 672 s = new DebugSymbol(loc, token.ident); | |
| 673 else if (token.value == TOK.TOKint32v) | |
| 674 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 675 else | |
| 676 { error("identifier or integer expected, not %s", token.toChars()); | |
| 677 s = null; | |
| 678 } | |
| 679 nextToken(); | |
| 680 if (token.value != TOK.TOKsemicolon) | |
| 681 error("semicolon expected"); | |
| 682 nextToken(); | |
| 683 break; | |
| 684 } | |
| 685 | |
| 686 condition = parseDebugCondition(); | |
| 687 goto Lcondition; | |
| 688 | |
| 689 case TOK.TOKversion: | |
| 690 nextToken(); | |
| 691 if (token.value == TOK.TOKassign) | |
| 692 { | |
| 693 nextToken(); | |
| 694 if (token.value == TOK.TOKidentifier) | |
| 695 s = new VersionSymbol(loc, token.ident); | |
| 696 else if (token.value == TOK.TOKint32v) | |
| 697 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 698 else | |
| 699 { error("identifier or integer expected, not %s", token.toChars()); | |
| 700 s = null; | |
| 701 } | |
| 702 nextToken(); | |
| 703 if (token.value != TOK.TOKsemicolon) | |
| 704 error("semicolon expected"); | |
| 705 nextToken(); | |
| 706 break; | |
| 707 } | |
| 708 condition = parseVersionCondition(); | |
| 709 goto Lcondition; | |
| 710 | |
| 711 Lcondition: | |
| 712 a = parseBlock(); | |
| 713 aelse = null; | |
| 714 if (token.value == TOK.TOKelse) | |
| 715 { nextToken(); | |
| 716 aelse = parseBlock(); | |
| 717 } | |
| 718 s = new ConditionalDeclaration(condition, a, aelse); | |
| 719 break; | |
| 720 | |
| 721 case TOK.TOKsemicolon: // empty declaration | |
| 722 nextToken(); | |
| 723 continue; | |
| 724 | |
| 725 default: | |
| 726 error("Declaration expected, not '%s'",token.toChars()); | |
| 727 Lerror: | |
| 728 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 729 nextToken(); | |
| 730 nextToken(); | |
| 731 s = null; | |
| 732 continue; | |
| 733 } | |
| 734 if (s) | |
| 735 { decldefs.push(cast(void*)s); | |
| 736 addComment(s, comment); | |
| 737 } | |
| 738 } while (!once); | |
| 739 return decldefs; | |
| 740 } | |
| 741 | |
| 742 /***************************************** | |
| 743 * Parse auto declarations of the form: | |
| 744 * storageClass ident = init, ident = init, ... ; | |
| 745 * and return the array of them. | |
| 746 * Starts with token on the first ident. | |
| 747 * Ends with scanner past closing ';' | |
| 748 */ | |
| 749 version (DMDV2) { | |
| 750 Array parseAutoDeclarations(STC storageClass, ubyte* comment) | |
| 751 { | |
| 752 Array a = new Array; | |
| 753 | |
| 754 while (true) | |
| 755 { | |
| 756 Identifier ident = token.ident; | |
| 757 nextToken(); // skip over ident | |
| 758 assert(token.value == TOKassign); | |
| 759 nextToken(); // skip over '=' | |
| 760 Initializer init = parseInitializer(); | |
| 761 VarDeclaration v = new VarDeclaration(loc, null, ident, init); | |
| 762 v.storage_class = storageClass; | |
| 763 a.push(cast(void*)v); | |
| 764 if (token.value == TOKsemicolon) | |
| 765 { | |
| 766 nextToken(); | |
| 767 addComment(v, comment); | |
| 768 } | |
| 769 else if (token.value == TOKcomma) | |
| 770 { | |
| 771 nextToken(); | |
| 772 if (token.value == TOKidentifier && | |
| 773 peek(&token).value == TOKassign) | |
| 774 { | |
| 775 addComment(v, comment); | |
| 776 continue; | |
| 777 } | |
| 778 else | |
| 779 error("Identifier expected following comma"); | |
| 780 } | |
| 781 else | |
| 782 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 783 break; | |
| 784 } | |
| 785 return a; | |
| 786 } | |
| 787 } | |
| 788 /******************************************** | |
| 789 * Parse declarations after an align, protection, or extern decl. | |
| 790 */ | |
| 791 Array parseBlock() | |
| 792 { | |
| 793 Array a = null; | |
| 794 Dsymbol ss; | |
| 795 | |
| 796 //printf("parseBlock()\n"); | |
| 797 switch (token.value) | |
| 798 { | |
| 799 case TOK.TOKsemicolon: | |
| 800 error("declaration expected following attribute, not ';'"); | |
| 801 nextToken(); | |
| 802 break; | |
| 803 | |
| 804 case TOK.TOKeof: | |
| 805 error("declaration expected following attribute, not EOF"); | |
| 806 break; | |
| 807 | |
| 808 case TOK.TOKlcurly: | |
| 809 nextToken(); | |
| 810 a = parseDeclDefs(0); | |
| 811 if (token.value != TOK.TOKrcurly) | |
| 812 { /* { */ | |
| 813 error("matching '}' expected, not %s", token.toChars()); | |
| 814 } | |
| 815 else | |
| 816 nextToken(); | |
| 817 break; | |
| 818 | |
| 819 case TOK.TOKcolon: | |
| 820 nextToken(); | |
| 821 static if (false) { | |
| 822 a = null; | |
| 823 } else { | |
| 824 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 825 } | |
| 826 break; | |
| 827 | |
| 828 default: | |
| 829 a = parseDeclDefs(1); | |
| 830 break; | |
| 831 } | |
| 832 return a; | |
| 833 } | |
| 834 | |
| 835 void composeStorageClass(STC stc) | |
| 836 { | |
| 837 STC u = stc; | |
| 838 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; | |
| 839 if (u & (u - 1)) | |
| 840 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 841 | |
| 842 u = stc; | |
| 843 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 844 if (u & (u - 1)) | |
| 845 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 846 } | |
| 847 | |
| 848 /************************************** | |
| 849 * Parse constraint. | |
| 850 * Constraint is of the form: | |
| 851 * if ( ConstraintExpression ) | |
| 852 */ | |
| 853 version (DMDV2) { | |
| 854 Expression parseConstraint() | |
| 855 { | |
| 856 Expression e = null; | |
| 857 | |
| 858 if (token.value == TOKif) | |
| 859 { | |
| 860 nextToken(); // skip over 'if' | |
| 861 check(TOKlparen); | |
| 862 e = parseExpression(); | |
| 863 check(TOKrparen); | |
| 864 } | |
| 865 return e; | |
| 866 } | |
| 867 } | |
| 868 /************************************** | |
| 869 * Parse a TemplateDeclaration. | |
| 870 */ | |
| 871 TemplateDeclaration parseTemplateDeclaration() | |
| 872 { | |
| 873 TemplateDeclaration tempdecl; | |
| 874 Identifier id; | |
| 875 TemplateParameters tpl; | |
| 876 Array decldefs; | |
| 877 Expression constraint = null; | |
| 878 Loc loc = this.loc; | |
| 879 | |
| 880 nextToken(); | |
| 881 if (token.value != TOKidentifier) | |
| 882 { | |
| 883 error("TemplateIdentifier expected following template"); | |
| 884 goto Lerr; | |
| 885 } | |
| 886 id = token.ident; | |
| 887 nextToken(); | |
| 888 tpl = parseTemplateParameterList(); | |
| 889 if (!tpl) | |
| 890 goto Lerr; | |
| 891 | |
| 892 constraint = parseConstraint(); | |
| 893 | |
| 894 if (token.value != TOKlcurly) | |
| 895 { | |
| 896 error("members of template declaration expected"); | |
| 897 goto Lerr; | |
| 898 } | |
| 899 else | |
| 900 { | |
| 901 nextToken(); | |
| 902 decldefs = parseDeclDefs(0); | |
| 903 if (token.value != TOKrcurly) | |
| 904 { | |
| 905 error("template member expected"); | |
| 906 goto Lerr; | |
| 907 } | |
| 908 nextToken(); | |
| 909 } | |
| 910 | |
| 911 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 912 return tempdecl; | |
| 913 | |
| 914 Lerr: | |
| 915 return null; | |
| 916 } | |
| 917 | |
| 918 /****************************************** | |
| 919 * Parse template parameter list. | |
| 920 * Input: | |
| 921 * flag 0: parsing "( list )" | |
| 922 * 1: parsing non-empty "list )" | |
| 923 */ | |
| 924 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 925 { | |
| 926 TemplateParameters tpl = new TemplateParameters(); | |
| 927 | |
| 928 if (!flag && token.value != TOKlparen) | |
| 929 { | |
| 930 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 931 goto Lerr; | |
| 932 } | |
| 933 nextToken(); | |
| 934 | |
| 935 // Get array of TemplateParameters | |
| 936 if (flag || token.value != TOKrparen) | |
| 937 { | |
| 938 int isvariadic = 0; | |
| 939 | |
| 940 while (true) | |
| 941 { | |
| 942 TemplateParameter tp; | |
| 943 Identifier tp_ident = null; | |
| 944 Type tp_spectype = null; | |
| 945 Type tp_valtype = null; | |
| 946 Type tp_defaulttype = null; | |
| 947 Expression tp_specvalue = null; | |
| 948 Expression tp_defaultvalue = null; | |
| 949 Token* t; | |
| 950 | |
| 951 // Get TemplateParameter | |
| 952 | |
| 953 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 954 t = peek(&token); | |
| 955 if (token.value == TOKalias) | |
| 956 { | |
| 957 // AliasParameter | |
| 958 nextToken(); | |
| 959 Type spectype = null; | |
| 960 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 961 { | |
| 962 spectype = parseType(&tp_ident); | |
| 963 } | |
| 964 else | |
| 965 { | |
| 966 if (token.value != TOKidentifier) | |
| 967 { | |
| 968 error("identifier expected for template alias parameter"); | |
| 969 goto Lerr; | |
| 970 } | |
| 971 tp_ident = token.ident; | |
| 972 nextToken(); | |
| 973 } | |
| 974 Object spec = null; | |
| 975 if (token.value == TOKcolon) // : Type | |
| 976 { | |
| 977 nextToken(); | |
| 978 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 979 spec = parseType(); | |
| 980 else | |
| 981 spec = parseCondExp(); | |
| 982 } | |
| 983 Object def = null; | |
| 984 if (token.value == TOKassign) // = Type | |
| 985 { | |
| 986 nextToken(); | |
| 987 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 988 def = parseType(); | |
| 989 else | |
| 990 def = parseCondExp(); | |
| 991 } | |
| 992 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 993 } | |
| 994 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 995 t.value == TOKcomma || t.value == TOKrparen) | |
| 996 { // TypeParameter | |
| 997 if (token.value != TOKidentifier) | |
| 998 { error("identifier expected for template type parameter"); | |
| 999 goto Lerr; | |
| 1000 } | |
| 1001 tp_ident = token.ident; | |
| 1002 nextToken(); | |
| 1003 if (token.value == TOKcolon) // : Type | |
| 1004 { | |
| 1005 nextToken(); | |
| 1006 tp_spectype = parseType(); | |
| 1007 } | |
| 1008 if (token.value == TOKassign) // = Type | |
| 1009 { | |
| 1010 nextToken(); | |
| 1011 tp_defaulttype = parseType(); | |
| 1012 } | |
| 1013 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1014 } | |
| 1015 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1016 { // ident... | |
| 1017 if (isvariadic) | |
| 1018 error("variadic template parameter must be last"); | |
| 1019 isvariadic = 1; | |
| 1020 tp_ident = token.ident; | |
| 1021 nextToken(); | |
| 1022 nextToken(); | |
| 1023 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1024 } | |
| 1025 /// version (DMDV2) { | |
| 1026 else if (token.value == TOKthis) | |
| 1027 { // ThisParameter | |
| 1028 nextToken(); | |
| 1029 if (token.value != TOKidentifier) | |
| 1030 { error("identifier expected for template this parameter"); | |
| 1031 goto Lerr; | |
| 1032 } | |
| 1033 tp_ident = token.ident; | |
| 1034 nextToken(); | |
| 1035 if (token.value == TOKcolon) // : Type | |
| 1036 { | |
| 1037 nextToken(); | |
| 1038 tp_spectype = parseType(); | |
| 1039 } | |
| 1040 if (token.value == TOKassign) // = Type | |
| 1041 { | |
| 1042 nextToken(); | |
| 1043 tp_defaulttype = parseType(); | |
| 1044 } | |
| 1045 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1046 } | |
| 1047 /// } | |
| 1048 else | |
| 1049 { // ValueParameter | |
| 1050 tp_valtype = parseType(&tp_ident); | |
| 1051 if (!tp_ident) | |
| 1052 { | |
| 1053 error("identifier expected for template value parameter"); | |
| 1054 tp_ident = new Identifier("error", TOKidentifier); | |
| 1055 } | |
| 1056 if (token.value == TOKcolon) // : CondExpression | |
| 1057 { | |
| 1058 nextToken(); | |
| 1059 tp_specvalue = parseCondExp(); | |
| 1060 } | |
| 1061 if (token.value == TOKassign) // = CondExpression | |
| 1062 { | |
| 1063 nextToken(); | |
| 1064 tp_defaultvalue = parseDefaultInitExp(); | |
| 1065 } | |
| 1066 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1067 } | |
| 1068 tpl.push(cast(void*)tp); | |
| 1069 if (token.value != TOKcomma) | |
| 1070 break; | |
| 1071 nextToken(); | |
| 1072 } | |
| 1073 } | |
| 1074 check(TOKrparen); | |
| 1075 | |
| 1076 Lerr: | |
| 1077 return tpl; | |
| 1078 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1079 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1080 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1081 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1082 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1083 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1084 * mixin a.b.c!(args).Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1085 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1086 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1087 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1088 |
| 0 | 1089 Dsymbol parseMixin() |
| 1090 { | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1091 TemplateMixin tm; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1092 Identifier id; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1093 Type tqual; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1094 Objects tiargs; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1095 Array idents; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1096 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1097 //printf("parseMixin()\n"); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1098 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1099 tqual = null; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1100 if (token.value == TOK.TOKdot) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1101 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1102 id = Id.empty; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1103 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1104 else |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1105 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1106 if (token.value == TOK.TOKtypeof) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1107 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1108 tqual = parseTypeof(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1109 check(TOKdot); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1110 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1111 if (token.value != TOK.TOKidentifier) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1112 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1113 error("identifier expected, not %s", token.toChars()); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1114 id = Id.empty; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1115 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1116 else |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1117 id = token.ident; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1118 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1119 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1120 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1121 idents = new Array(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1122 while (1) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1123 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1124 tiargs = null; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1125 if (token.value == TOK.TOKnot) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1126 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1127 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1128 if (token.value == TOK.TOKlparen) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1129 tiargs = parseTemplateArgumentList(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1130 else |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1131 tiargs = parseTemplateArgument(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1132 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1133 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1134 if (token.value != TOK.TOKdot) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1135 break; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1136 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1137 if (tiargs) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1138 { TemplateInstance tempinst = new TemplateInstance(loc, id); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1139 tempinst.tiargs = tiargs; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1140 id = cast(Identifier)tempinst; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1141 tiargs = null; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1142 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1143 idents.push(cast(void*)id); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1144 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1145 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1146 if (token.value != TOK.TOKidentifier) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1147 { error("identifier expected following '.' instead of '%s'", token.toChars()); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1148 break; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1149 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1150 id = token.ident; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1151 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1152 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1153 idents.push(cast(void*)id); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1154 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1155 if (token.value == TOK.TOKidentifier) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1156 { |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1157 id = token.ident; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1158 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1159 } |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1160 else |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1161 id = null; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1162 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1163 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1164 if (token.value != TOK.TOKsemicolon) |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1165 error("';' expected after mixin"); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1166 nextToken(); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1167 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1168 return tm; |
| 0 | 1169 } |
| 1170 | |
| 1171 /****************************************** | |
| 1172 * Parse template argument list. | |
| 1173 * Input: | |
| 1174 * current token is opening '(' | |
| 1175 * Output: | |
| 1176 * current token is one after closing ')' | |
| 1177 */ | |
| 1178 Objects parseTemplateArgumentList() | |
| 1179 { | |
| 1180 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1181 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1182 { | |
| 1183 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1184 return new Objects(); | |
| 1185 } | |
| 1186 return parseTemplateArgumentList2(); | |
| 1187 } | |
| 1188 | |
| 1189 Objects parseTemplateArgumentList2() | |
| 1190 { | |
| 1191 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1192 Objects tiargs = new Objects(); | |
| 1193 TOK endtok = TOKrparen; | |
| 1194 nextToken(); | |
| 1195 | |
| 1196 // Get TemplateArgumentList | |
| 1197 if (token.value != endtok) | |
| 1198 { | |
| 1199 while (1) | |
| 1200 { | |
| 1201 // See if it is an Expression or a Type | |
| 1202 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1203 { // Template argument is a type | |
| 1204 Type ta = parseType(); | |
| 1205 tiargs.push(cast(void*)ta); | |
| 1206 } | |
| 1207 else | |
| 1208 { // Template argument is an expression | |
| 1209 Expression ea = parseAssignExp(); | |
| 1210 | |
| 1211 if (ea.op == TOKfunction) | |
| 1212 { | |
| 1213 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1214 if (fd.type.ty == Tfunction) | |
| 1215 { | |
| 1216 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1217 /* If there are parameters that consist of only an identifier, | |
| 1218 * rather than assuming the identifier is a type, as we would | |
| 1219 * for regular function declarations, assume the identifier | |
| 1220 * is the parameter name, and we're building a template with | |
| 1221 * a deduced type. | |
| 1222 */ | |
| 1223 TemplateParameters tpl = null; | |
| 1224 for (int i = 0; i < tf.parameters.dim; i++) | |
| 1225 { | |
| 1226 Argument param = cast(Argument)tf.parameters.data[i]; | |
| 1227 if (param.ident is null && | |
| 1228 param.type && | |
| 1229 param.type.ty == Tident && | |
| 1230 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1231 ) | |
| 1232 { | |
| 1233 /* Switch parameter type to parameter identifier, | |
| 1234 * parameterize with template type parameter _T | |
| 1235 */ | |
| 1236 TypeIdentifier pt = cast(TypeIdentifier)param.type; | |
| 1237 param.ident = pt.ident; | |
| 1238 Identifier id = Lexer.uniqueId("__T"); | |
| 1239 param.type = new TypeIdentifier(pt.loc, id); | |
| 1240 TemplateParameter tp = new TemplateTypeParameter(fd.loc, id, null, null); | |
| 1241 if (!tpl) | |
| 1242 tpl = new TemplateParameters(); | |
| 1243 tpl.push(cast(void*)tp); | |
| 1244 } | |
| 1245 } | |
| 1246 | |
| 1247 if (tpl) | |
| 1248 { | |
| 1249 // Wrap a template around function fd | |
| 1250 Array decldefs = new Array(); | |
| 1251 decldefs.push(cast(void*)fd); | |
| 1252 TemplateDeclaration tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); | |
| 1253 tempdecl.literal = 1; // it's a template 'literal' | |
| 1254 tiargs.push(cast(void*)tempdecl); | |
| 1255 goto L1; | |
| 1256 } | |
| 1257 } | |
| 1258 } | |
| 1259 | |
| 1260 tiargs.push(cast(void*)ea); | |
| 1261 } | |
| 1262 L1: | |
| 1263 if (token.value != TOKcomma) | |
| 1264 break; | |
| 1265 nextToken(); | |
| 1266 } | |
| 1267 } | |
| 1268 check(endtok, "template argument list"); | |
| 1269 return tiargs; | |
| 1270 } | |
| 1271 | |
| 2 | 1272 /***************************** |
| 1273 * Parse single template argument, to support the syntax: | |
| 1274 * foo!arg | |
| 1275 * Input: | |
| 1276 * current token is the arg | |
| 1277 */ | |
| 0 | 1278 Objects parseTemplateArgument() |
| 1279 { | |
| 2 | 1280 //printf("parseTemplateArgument()\n"); |
| 1281 Objects tiargs = new Objects(); | |
| 1282 Type ta; | |
| 1283 switch (token.value) | |
| 1284 { | |
| 1285 case TOKidentifier: | |
| 1286 ta = new TypeIdentifier(loc, token.ident); | |
| 1287 goto LabelX; | |
| 1288 | |
| 1289 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1290 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1291 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1292 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1293 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1294 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1295 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1296 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1297 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1298 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1299 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1300 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1301 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1302 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1303 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1304 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1305 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1306 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1307 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1308 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1309 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1310 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1311 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1312 LabelX: | |
| 1313 tiargs.push(cast(void*)ta); | |
| 1314 nextToken(); | |
| 1315 break; | |
| 1316 | |
| 1317 case TOKint32v: | |
| 1318 case TOKuns32v: | |
| 1319 case TOKint64v: | |
| 1320 case TOKuns64v: | |
| 1321 case TOKfloat32v: | |
| 1322 case TOKfloat64v: | |
| 1323 case TOKfloat80v: | |
| 1324 case TOKimaginary32v: | |
| 1325 case TOKimaginary64v: | |
| 1326 case TOKimaginary80v: | |
| 1327 case TOKnull: | |
| 1328 case TOKtrue: | |
| 1329 case TOKfalse: | |
| 1330 case TOKcharv: | |
| 1331 case TOKwcharv: | |
| 1332 case TOKdcharv: | |
| 1333 case TOKstring: | |
| 1334 case TOKfile: | |
| 1335 case TOKline: | |
| 1336 { | |
| 1337 // Template argument is an expression | |
| 1338 Expression ea = parsePrimaryExp(); | |
| 1339 tiargs.push(cast(void*)ea); | |
| 1340 break; | |
| 1341 } | |
| 1342 | |
| 1343 default: | |
| 1344 error("template argument expected following !"); | |
| 1345 break; | |
| 1346 } | |
| 1347 | |
| 1348 if (token.value == TOKnot) | |
| 1349 error("multiple ! arguments are not allowed"); | |
| 1350 return tiargs; | |
| 0 | 1351 } |
| 1352 | |
| 1353 /********************************** | |
| 1354 * Parse a static assertion. | |
| 1355 */ | |
| 1356 StaticAssert parseStaticAssert() | |
| 1357 { | |
| 1358 Loc loc = this.loc; | |
| 1359 Expression exp; | |
| 1360 Expression msg = null; | |
| 1361 | |
| 1362 //printf("parseStaticAssert()\n"); | |
| 1363 nextToken(); | |
| 1364 check(TOK.TOKlparen); | |
| 1365 exp = parseAssignExp(); | |
| 1366 if (token.value == TOK.TOKcomma) | |
| 1367 { | |
| 1368 nextToken(); | |
| 1369 msg = parseAssignExp(); | |
| 1370 } | |
| 1371 | |
| 1372 check(TOK.TOKrparen); | |
| 1373 check(TOK.TOKsemicolon); | |
| 1374 | |
| 1375 return new StaticAssert(loc, exp, msg); | |
| 1376 } | |
| 1377 | |
| 1378 TypeQualified parseTypeof() | |
| 1379 { | |
| 1380 TypeQualified t; | |
| 1381 Loc loc = this.loc; | |
| 1382 | |
| 1383 nextToken(); | |
| 1384 check(TOK.TOKlparen); | |
| 1385 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1386 { | |
| 1387 nextToken(); | |
| 1388 t = new TypeReturn(loc); | |
| 1389 } | |
| 1390 else | |
| 1391 { | |
| 1392 Expression exp = parseExpression(); // typeof(expression) | |
| 1393 t = new TypeTypeof(loc, exp); | |
| 1394 } | |
| 1395 check(TOK.TOKrparen); | |
| 1396 return t; | |
| 1397 } | |
| 1398 | |
| 1399 /*********************************** | |
| 1400 * Parse extern (linkage) | |
| 1401 * The parser is on the 'extern' token. | |
| 1402 */ | |
| 1403 LINK parseLinkage() | |
| 1404 { | |
| 1405 LINK link = LINK.LINKdefault; | |
| 1406 nextToken(); | |
| 1407 assert(token.value == TOK.TOKlparen); | |
| 1408 nextToken(); | |
| 1409 if (token.value == TOK.TOKidentifier) | |
| 1410 { | |
| 1411 Identifier id = token.ident; | |
| 1412 | |
| 1413 nextToken(); | |
| 1414 if (id == Id.Windows) | |
| 1415 link = LINK.LINKwindows; | |
| 1416 else if (id == Id.Pascal) | |
| 1417 link = LINK.LINKpascal; | |
| 1418 else if (id == Id.D) | |
| 1419 link = LINK.LINKd; | |
| 1420 else if (id == Id.C) | |
| 1421 { | |
| 1422 link = LINK.LINKc; | |
| 1423 if (token.value == TOK.TOKplusplus) | |
| 1424 { | |
| 1425 link = LINK.LINKcpp; | |
| 1426 nextToken(); | |
| 1427 } | |
| 1428 } | |
| 1429 else if (id == Id.System) | |
| 1430 { | |
| 1431 version (_WIN32) { | |
| 1432 link = LINK.LINKwindows; | |
| 1433 } else { | |
| 1434 link = LINK.LINKc; | |
| 1435 } | |
| 1436 } | |
| 1437 else | |
| 1438 { | |
| 1439 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1440 link = LINK.LINKd; | |
| 1441 } | |
| 1442 } | |
| 1443 else | |
| 1444 { | |
| 1445 link = LINK.LINKd; // default | |
| 1446 } | |
| 1447 check(TOK.TOKrparen); | |
| 1448 | |
| 1449 return link; | |
| 1450 } | |
| 1451 | |
| 1452 | |
| 1453 /************************************** | |
| 1454 * Parse a debug conditional | |
| 1455 */ | |
| 1456 Condition parseDebugCondition() | |
| 1457 { | |
| 1458 Condition c; | |
| 1459 | |
| 1460 if (token.value == TOK.TOKlparen) | |
| 1461 { | |
| 1462 nextToken(); | |
| 1463 uint level = 1; | |
| 1464 Identifier id = null; | |
| 1465 | |
| 1466 if (token.value == TOK.TOKidentifier) | |
| 1467 id = token.ident; | |
| 1468 else if (token.value == TOK.TOKint32v) | |
| 1469 level = cast(uint)token.uns64value; | |
| 1470 else | |
| 1471 error("identifier or integer expected, not %s", token.toChars()); | |
| 1472 | |
| 1473 nextToken(); | |
| 1474 check(TOK.TOKrparen); | |
| 1475 | |
| 1476 c = new DebugCondition(mod, level, id); | |
| 1477 } | |
| 1478 else | |
| 1479 c = new DebugCondition(mod, 1, null); | |
| 1480 | |
| 1481 return c; | |
| 1482 } | |
| 1483 | |
| 1484 /************************************** | |
| 1485 * Parse a version conditional | |
| 1486 */ | |
| 1487 Condition parseVersionCondition() | |
| 1488 { | |
| 1489 Condition c; | |
| 1490 uint level = 1; | |
| 1491 Identifier id = null; | |
| 1492 | |
| 1493 if (token.value == TOK.TOKlparen) | |
| 1494 { | |
| 1495 nextToken(); | |
| 1496 if (token.value == TOK.TOKidentifier) | |
| 1497 id = token.ident; | |
| 1498 else if (token.value == TOK.TOKint32v) | |
| 1499 level = cast(uint)token.uns64value; | |
| 1500 else { | |
| 1501 version (DMDV2) { | |
| 1502 /* Allow: | |
| 1503 * version (unittest) | |
| 1504 * even though unittest is a keyword | |
| 1505 */ | |
| 1506 if (token.value == TOK.TOKunittest) | |
| 1507 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1508 else | |
| 1509 error("identifier or integer expected, not %s", token.toChars()); | |
| 1510 } else { | |
| 1511 error("identifier or integer expected, not %s", token.toChars()); | |
| 1512 } | |
| 1513 } | |
| 1514 nextToken(); | |
| 1515 check(TOK.TOKrparen); | |
| 1516 } | |
| 1517 else | |
| 1518 error("(condition) expected following version"); | |
| 1519 | |
| 1520 c = new VersionCondition(mod, level, id); | |
| 1521 | |
| 1522 return c; | |
| 1523 } | |
| 1524 | |
| 1525 /*********************************************** | |
| 1526 * static if (expression) | |
| 1527 * body | |
| 1528 * else | |
| 1529 * body | |
| 1530 */ | |
| 1531 Condition parseStaticIfCondition() | |
| 1532 { | |
| 1533 Expression exp; | |
| 1534 Condition condition; | |
| 1535 Array aif; | |
| 1536 Array aelse; | |
| 1537 Loc loc = this.loc; | |
| 1538 | |
| 1539 nextToken(); | |
| 1540 if (token.value == TOKlparen) | |
| 1541 { | |
| 1542 nextToken(); | |
| 1543 exp = parseAssignExp(); | |
| 1544 check(TOKrparen); | |
| 1545 } | |
| 1546 else | |
| 1547 { | |
| 1548 error("(expression) expected following static if"); | |
| 1549 exp = null; | |
| 1550 } | |
| 1551 condition = new StaticIfCondition(loc, exp); | |
| 1552 return condition; | |
| 1553 } | |
| 1554 | |
| 1555 /***************************************** | |
| 1556 * Parse a constructor definition: | |
| 1557 * this(parameters) { body } | |
| 1558 * or postblit: | |
| 1559 * this(this) { body } | |
| 1560 * or constructor template: | |
| 1561 * this(templateparameters)(parameters) { body } | |
| 1562 * Current token is 'this'. | |
| 1563 */ | |
| 1564 | |
| 1565 Dsymbol parseCtor() | |
| 1566 { | |
| 1567 Loc loc = this.loc; | |
| 1568 | |
| 1569 nextToken(); | |
| 1570 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1571 { // this(this) { ... } | |
| 1572 nextToken(); | |
| 1573 nextToken(); | |
| 1574 check(TOK.TOKrparen); | |
| 1575 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1576 parseContracts(f); | |
| 1577 return f; | |
| 1578 } | |
| 1579 | |
| 1580 /* Look ahead to see if: | |
| 1581 * this(...)(...) | |
| 1582 * which is a constructor template | |
| 1583 */ | |
| 1584 TemplateParameters tpl = null; | |
| 1585 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1586 { tpl = parseTemplateParameterList(); | |
| 1587 | |
| 1588 int varargs; | |
| 1589 Arguments arguments = parseParameters(&varargs); | |
| 1590 | |
| 1591 Expression constraint = null; | |
| 1592 if (tpl) | |
| 1593 constraint = parseConstraint(); | |
| 1594 | |
| 1595 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1596 parseContracts(f); | |
| 1597 | |
| 1598 // Wrap a template around it | |
| 1599 Array decldefs = new Array(); | |
| 1600 decldefs.push(cast(void*)f); | |
| 1601 TemplateDeclaration tempdecl = | |
| 1602 new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); | |
| 1603 return tempdecl; | |
| 1604 } | |
| 1605 | |
| 1606 /* Just a regular constructor | |
| 1607 */ | |
| 1608 int varargs; | |
| 1609 Arguments arguments = parseParameters(&varargs); | |
| 1610 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1611 parseContracts(f); | |
| 1612 return f; | |
| 1613 } | |
| 1614 | |
| 1615 PostBlitDeclaration parsePostBlit() | |
| 1616 { | |
| 1617 assert(false); | |
| 1618 } | |
| 1619 | |
| 1620 /***************************************** | |
| 1621 * Parse a destructor definition: | |
| 1622 * ~this() { body } | |
| 1623 * Current token is '~'. | |
| 1624 */ | |
| 1625 DtorDeclaration parseDtor() | |
| 1626 { | |
| 1627 DtorDeclaration f; | |
| 1628 Loc loc = this.loc; | |
| 1629 | |
| 1630 nextToken(); | |
| 1631 check(TOKthis); | |
| 1632 check(TOKlparen); | |
| 1633 check(TOKrparen); | |
| 1634 | |
| 1635 f = new DtorDeclaration(loc, Loc(0)); | |
| 1636 parseContracts(f); | |
| 1637 return f; | |
| 1638 } | |
| 1639 | |
| 1640 /***************************************** | |
| 1641 * Parse a static constructor definition: | |
| 1642 * static this() { body } | |
| 1643 * Current token is 'this'. | |
| 1644 */ | |
| 1645 StaticCtorDeclaration parseStaticCtor() | |
| 1646 { | |
| 1647 StaticCtorDeclaration f; | |
| 1648 Loc loc = this.loc; | |
| 1649 | |
| 1650 nextToken(); | |
| 1651 check(TOKlparen); | |
| 1652 check(TOKrparen); | |
| 1653 | |
| 1654 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1655 parseContracts(f); | |
| 1656 return f; | |
| 1657 } | |
| 1658 | |
| 1659 /***************************************** | |
| 1660 * Parse a static destructor definition: | |
| 1661 * static ~this() { body } | |
| 1662 * Current token is '~'. | |
| 1663 */ | |
| 1664 StaticDtorDeclaration parseStaticDtor() | |
| 1665 { | |
| 1666 StaticDtorDeclaration f; | |
| 1667 Loc loc = this.loc; | |
| 1668 | |
| 1669 nextToken(); | |
| 1670 check(TOKthis); | |
| 1671 check(TOKlparen); | |
| 1672 check(TOKrparen); | |
| 1673 | |
| 1674 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1675 parseContracts(f); | |
| 1676 return f; | |
| 1677 } | |
| 1678 | |
| 1679 /***************************************** | |
| 1680 * Parse an invariant definition: | |
| 1681 * invariant() { body } | |
| 1682 * Current token is 'invariant'. | |
| 1683 */ | |
| 1684 InvariantDeclaration parseInvariant() | |
| 1685 { | |
| 1686 InvariantDeclaration f; | |
| 1687 Loc loc = this.loc; | |
| 1688 | |
| 1689 nextToken(); | |
| 1690 if (token.value == TOKlparen) // optional () | |
| 1691 { | |
| 1692 nextToken(); | |
| 1693 check(TOKrparen); | |
| 1694 } | |
| 1695 | |
| 1696 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1697 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1698 return f; | |
| 1699 } | |
| 1700 | |
| 1701 /***************************************** | |
| 1702 * Parse a unittest definition: | |
| 1703 * unittest { body } | |
| 1704 * Current token is 'unittest'. | |
| 1705 */ | |
| 1706 UnitTestDeclaration parseUnitTest() | |
| 1707 { | |
| 1708 Loc loc = this.loc; | |
| 1709 | |
| 1710 nextToken(); | |
| 1711 | |
| 1712 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1713 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1714 | |
| 1715 return f; | |
| 1716 } | |
| 1717 | |
| 1718 NewDeclaration parseNew() | |
| 1719 { | |
| 1720 assert(false); | |
| 1721 } | |
| 1722 | |
| 1723 DeleteDeclaration parseDelete() | |
| 1724 { | |
| 1725 assert(false); | |
| 1726 } | |
| 1727 | |
| 1728 Arguments parseParameters(int* pvarargs) | |
| 1729 { | |
| 1730 Arguments arguments = new Arguments(); | |
| 1731 int varargs = 0; | |
| 1732 int hasdefault = 0; | |
| 1733 | |
| 1734 check(TOK.TOKlparen); | |
| 1735 while (1) | |
| 1736 { Type *tb; | |
| 1737 Identifier ai = null; | |
| 1738 Type at; | |
| 1739 Argument a; | |
| 1740 STC storageClass = STC.STCundefined; | |
| 1741 STC stc; | |
| 1742 Expression ae; | |
| 1743 | |
| 1744 for ( ;1; nextToken()) | |
| 1745 { | |
| 1746 switch (token.value) | |
| 1747 { | |
| 1748 case TOK.TOKrparen: | |
| 1749 break; | |
| 1750 | |
| 1751 case TOK.TOKdotdotdot: | |
| 1752 varargs = 1; | |
| 1753 nextToken(); | |
| 1754 break; | |
| 1755 | |
| 1756 case TOK.TOKconst: | |
| 1757 if (peek(&token).value == TOK.TOKlparen) | |
| 1758 goto Ldefault; | |
| 1759 stc = STC.STCconst; | |
| 1760 goto L2; | |
| 1761 | |
| 1762 case TOK.TOKinvariant: | |
| 1763 case TOK.TOKimmutable: | |
| 1764 if (peek(&token).value == TOK.TOKlparen) | |
| 1765 goto Ldefault; | |
| 1766 stc = STC.STCimmutable; | |
| 1767 goto L2; | |
| 1768 | |
| 1769 case TOK.TOKshared: | |
| 1770 if (peek(&token).value == TOK.TOKlparen) | |
| 1771 goto Ldefault; | |
| 1772 stc = STC.STCshared; | |
| 1773 goto L2; | |
| 1774 | |
| 1775 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1776 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1777 case TOK.TOKinout: | |
| 1778 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1779 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1780 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1781 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1782 L2: | |
| 1783 if (storageClass & stc || | |
| 1784 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1785 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1786 ) | |
| 1787 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1788 storageClass |= stc; | |
| 1789 composeStorageClass(storageClass); | |
| 1790 continue; | |
| 1791 | |
| 1792 static if (false) { | |
| 1793 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1794 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1795 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1796 L4: | |
| 1797 nextToken(); | |
| 1798 if (token.value == TOK.TOKidentifier) | |
| 1799 { ai = token.ident; | |
| 1800 nextToken(); | |
| 1801 } | |
| 1802 else | |
| 1803 ai = null; | |
| 1804 at = null; // no type | |
| 1805 ae = null; // no default argument | |
| 1806 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1807 { nextToken(); | |
| 1808 ae = parseDefaultInitExp(); | |
| 1809 hasdefault = 1; | |
| 1810 } | |
| 1811 else | |
| 1812 { if (hasdefault) | |
| 1813 error("default argument expected for alias %s", | |
| 1814 ai ? ai.toChars() : ""); | |
| 1815 } | |
| 1816 goto L3; | |
| 1817 } | |
| 1818 | |
| 1819 default: | |
| 1820 Ldefault: | |
| 1821 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1822 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1823 error("incompatible parameter storage classes"); | |
| 1824 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1825 error("out cannot be const"); | |
| 1826 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1827 error("out cannot be immutable"); | |
| 1828 if ((storageClass & STC.STCscope) && | |
| 1829 (storageClass & (STC.STCref | STC.STCout))) | |
| 1830 error("scope cannot be ref or out"); | |
| 1831 at = parseType(&ai); | |
| 1832 ae = null; | |
| 1833 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1834 { nextToken(); | |
| 1835 ae = parseDefaultInitExp(); | |
| 1836 hasdefault = 1; | |
| 1837 } | |
| 1838 else | |
| 1839 { if (hasdefault) | |
| 1840 error("default argument expected for %s", | |
| 1841 ai ? ai.toChars() : at.toChars()); | |
| 1842 } | |
| 1843 if (token.value == TOK.TOKdotdotdot) | |
| 1844 { /* This is: | |
| 1845 * at ai ... | |
| 1846 */ | |
| 1847 | |
| 1848 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1849 error("variadic argument cannot be out or ref"); | |
| 1850 varargs = 2; | |
| 1851 a = new Argument(storageClass, at, ai, ae); | |
| 1852 arguments.push(cast(void*)a); | |
| 1853 nextToken(); | |
| 1854 break; | |
| 1855 } | |
| 1856 L3: | |
| 1857 a = new Argument(storageClass, at, ai, ae); | |
| 1858 arguments.push(cast(void*)a); | |
| 1859 if (token.value == TOK.TOKcomma) | |
| 1860 { nextToken(); | |
| 1861 goto L1; | |
| 1862 } | |
| 1863 break; | |
| 1864 } | |
| 1865 break; | |
| 1866 } | |
| 1867 break; | |
| 1868 | |
| 1869 L1: ; | |
| 1870 } | |
| 1871 check(TOK.TOKrparen); | |
| 1872 *pvarargs = varargs; | |
| 1873 return arguments; | |
| 1874 } | |
| 1875 | |
| 1876 EnumDeclaration parseEnum() | |
| 1877 { | |
| 1878 EnumDeclaration e; | |
| 1879 Identifier id; | |
| 1880 Type memtype; | |
| 1881 Loc loc = this.loc; | |
| 1882 | |
| 1883 //printf("Parser.parseEnum()\n"); | |
| 1884 nextToken(); | |
| 1885 if (token.value == TOK.TOKidentifier) | |
| 1886 { | |
| 1887 id = token.ident; | |
| 1888 nextToken(); | |
| 1889 } | |
| 1890 else | |
| 1891 id = null; | |
| 1892 | |
| 1893 if (token.value == TOK.TOKcolon) | |
| 1894 { | |
| 1895 nextToken(); | |
| 1896 memtype = parseBasicType(); | |
| 1897 memtype = parseDeclarator(memtype, null, null); | |
| 1898 } | |
| 1899 else | |
| 1900 memtype = null; | |
| 1901 | |
| 1902 e = new EnumDeclaration(loc, id, memtype); | |
| 1903 if (token.value == TOK.TOKsemicolon && id) | |
| 1904 nextToken(); | |
| 1905 else if (token.value == TOK.TOKlcurly) | |
| 1906 { | |
| 1907 //printf("enum definition\n"); | |
| 1908 e.members = new Array(); | |
| 1909 nextToken(); | |
| 1910 ubyte* comment = token.blockComment; | |
| 1911 while (token.value != TOK.TOKrcurly) | |
| 1912 { | |
| 1913 /* Can take the following forms: | |
| 1914 * 1. ident | |
| 1915 * 2. ident = value | |
| 1916 * 3. type ident = value | |
| 1917 */ | |
| 1918 | |
| 1919 loc = this.loc; | |
| 1920 | |
| 1921 Type type = null; | |
| 1922 Identifier ident; | |
| 1923 Token* tp = peek(&token); | |
| 1924 if (token.value == TOK.TOKidentifier && | |
| 1925 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1926 { | |
| 1927 ident = token.ident; | |
| 1928 type = null; | |
| 1929 nextToken(); | |
| 1930 } | |
| 1931 else | |
| 1932 { | |
| 1933 type = parseType(&ident, null); | |
| 1934 if (id || memtype) | |
| 1935 error("type only allowed if anonymous enum and no enum type"); | |
| 1936 } | |
| 1937 | |
| 1938 Expression value; | |
| 1939 if (token.value == TOK.TOKassign) | |
| 1940 { | |
| 1941 nextToken(); | |
| 1942 value = parseAssignExp(); | |
| 1943 } | |
| 1944 else | |
| 1945 { | |
| 1946 value = null; | |
| 1947 if (type) | |
| 1948 error("if type, there must be an initializer"); | |
| 1949 } | |
| 1950 | |
| 1951 EnumMember em = new EnumMember(loc, ident, value, type); | |
| 1952 e.members.push(cast(void*)em); | |
| 1953 | |
| 1954 if (token.value == TOK.TOKrcurly) { | |
| 1955 ; | |
| 1956 } else { | |
| 1957 addComment(em, comment); | |
| 1958 comment = null; | |
| 1959 check(TOK.TOKcomma); | |
| 1960 } | |
| 1961 addComment(em, comment); | |
| 1962 comment = token.blockComment; | |
| 1963 } | |
| 1964 nextToken(); | |
| 1965 } | |
| 1966 else | |
| 1967 error("enum declaration is invalid"); | |
| 1968 | |
| 1969 //printf("-parseEnum() %s\n", e.toChars()); | |
| 1970 return e; | |
| 1971 } | |
| 1972 | |
| 1973 Dsymbol parseAggregate() | |
| 1974 { | |
| 1975 AggregateDeclaration a = null; | |
| 1976 int anon = 0; | |
| 1977 TOK tok; | |
| 1978 Identifier id; | |
| 1979 TemplateParameters tpl = null; | |
| 1980 Expression constraint = null; | |
| 1981 | |
| 1982 //printf("Parser.parseAggregate()\n"); | |
| 1983 tok = token.value; | |
| 1984 nextToken(); | |
| 1985 if (token.value != TOK.TOKidentifier) | |
| 1986 { | |
| 1987 id = null; | |
| 1988 } | |
| 1989 else | |
| 1990 { | |
| 1991 id = token.ident; | |
| 1992 nextToken(); | |
| 1993 | |
| 1994 if (token.value == TOK.TOKlparen) | |
| 1995 { | |
| 1996 // Class template declaration. | |
| 1997 | |
| 1998 // Gather template parameter list | |
| 1999 tpl = parseTemplateParameterList(); | |
| 2000 constraint = parseConstraint(); | |
| 2001 } | |
| 2002 } | |
| 2003 | |
| 2004 Loc loc = this.loc; | |
| 2005 switch (tok) | |
| 2006 { case TOK.TOKclass: | |
| 2007 case TOK.TOKinterface: | |
| 2008 { | |
| 2009 if (!id) | |
| 2010 error("anonymous classes not allowed"); | |
| 2011 | |
| 2012 // Collect base class(es) | |
| 2013 BaseClasses baseclasses = null; | |
| 2014 if (token.value == TOK.TOKcolon) | |
| 2015 { | |
| 2016 nextToken(); | |
| 2017 baseclasses = parseBaseClasses(); | |
| 2018 | |
| 2019 if (token.value != TOK.TOKlcurly) | |
| 2020 error("members expected"); | |
| 2021 } | |
| 2022 | |
| 2023 if (tok == TOK.TOKclass) | |
| 2024 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2025 else | |
| 2026 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2027 break; | |
| 2028 } | |
| 2029 | |
| 2030 case TOK.TOKstruct: | |
| 2031 if (id) | |
| 2032 a = new StructDeclaration(loc, id); | |
| 2033 else | |
| 2034 anon = 1; | |
| 2035 break; | |
| 2036 | |
| 2037 case TOK.TOKunion: | |
| 2038 if (id) | |
| 2039 a = new UnionDeclaration(loc, id); | |
| 2040 else | |
| 2041 anon = 2; | |
| 2042 break; | |
| 2043 | |
| 2044 default: | |
| 2045 assert(0); | |
| 2046 break; | |
| 2047 } | |
| 2048 if (a && token.value == TOK.TOKsemicolon) | |
| 2049 { nextToken(); | |
| 2050 } | |
| 2051 else if (token.value == TOK.TOKlcurly) | |
| 2052 { | |
| 2053 //printf("aggregate definition\n"); | |
| 2054 nextToken(); | |
| 2055 Array decl = parseDeclDefs(0); | |
| 2056 if (token.value != TOK.TOKrcurly) | |
| 2057 error("} expected following member declarations in aggregate"); | |
| 2058 nextToken(); | |
| 2059 if (anon) | |
| 2060 { | |
| 2061 /* Anonymous structs/unions are more like attributes. | |
| 2062 */ | |
| 2063 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2064 } | |
| 2065 else | |
| 2066 a.members = decl; | |
| 2067 } | |
| 2068 else | |
| 2069 { | |
| 2070 error("{ } expected following aggregate declaration"); | |
| 2071 a = new StructDeclaration(loc, null); | |
| 2072 } | |
| 2073 | |
| 2074 if (tpl) | |
| 2075 { // Wrap a template around the aggregate declaration | |
| 2076 | |
| 2077 Array decldefs = new Array(); | |
| 2078 decldefs.push(cast(void*)a); | |
| 2079 TemplateDeclaration tempdecl = | |
| 2080 new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 2081 return tempdecl; | |
| 2082 } | |
| 2083 | |
| 2084 return a; | |
| 2085 } | |
| 2086 | |
| 2087 BaseClasses parseBaseClasses() | |
| 2088 { | |
| 2089 BaseClasses baseclasses = new BaseClasses(); | |
| 2090 | |
| 2091 for (; 1; nextToken()) | |
| 2092 { | |
| 2093 PROT protection = PROT.PROTpublic; | |
| 2094 switch (token.value) | |
| 2095 { | |
| 2096 case TOK.TOKprivate: | |
| 2097 protection = PROT.PROTprivate; | |
| 2098 nextToken(); | |
| 2099 break; | |
| 2100 case TOK.TOKpackage: | |
| 2101 protection = PROT.PROTpackage; | |
| 2102 nextToken(); | |
| 2103 break; | |
| 2104 case TOK.TOKprotected: | |
| 2105 protection = PROT.PROTprotected; | |
| 2106 nextToken(); | |
| 2107 break; | |
| 2108 case TOK.TOKpublic: | |
| 2109 protection = PROT.PROTpublic; | |
| 2110 nextToken(); | |
| 2111 break; | |
| 2112 default: | |
| 2113 break; /// | |
| 2114 } | |
| 2115 if (token.value == TOK.TOKidentifier) | |
| 2116 { | |
| 2117 BaseClass b = new BaseClass(parseBasicType(), protection); | |
| 2118 baseclasses.push(cast(void*)b); | |
| 2119 if (token.value != TOK.TOKcomma) | |
| 2120 break; | |
| 2121 } | |
| 2122 else | |
| 2123 { | |
| 2124 error("base classes expected instead of %s", token.toChars()); | |
| 2125 return null; | |
| 2126 } | |
| 2127 } | |
| 2128 return baseclasses; | |
| 2129 } | |
| 2130 | |
| 2131 Import parseImport(Array decldefs, int isstatic) | |
| 2132 { | |
| 2133 Import s; | |
| 2134 Identifier id; | |
| 2135 Identifier aliasid = null; | |
| 2136 Array a; | |
| 2137 Loc loc; | |
| 2138 | |
| 2139 //printf("Parser.parseImport()\n"); | |
| 2140 do | |
| 2141 { | |
| 2142 L1: | |
| 2143 nextToken(); | |
| 2144 if (token.value != TOK.TOKidentifier) | |
| 2145 { | |
| 2146 error("Identifier expected following import"); | |
| 2147 break; | |
| 2148 } | |
| 2149 | |
| 2150 loc = this.loc; | |
| 2151 a = null; | |
| 2152 id = token.ident; | |
| 2153 nextToken(); | |
| 2154 if (!aliasid && token.value == TOK.TOKassign) | |
| 2155 { | |
| 2156 aliasid = id; | |
| 2157 goto L1; | |
| 2158 } | |
| 2159 while (token.value == TOK.TOKdot) | |
| 2160 { | |
| 2161 if (!a) | |
| 2162 a = new Array(); | |
| 2163 a.push(cast(void*)id); | |
| 2164 nextToken(); | |
| 2165 if (token.value != TOK.TOKidentifier) | |
| 2166 { | |
| 2167 error("identifier expected following package"); | |
| 2168 break; | |
| 2169 } | |
| 2170 id = token.ident; | |
| 2171 nextToken(); | |
| 2172 } | |
| 2173 | |
| 2174 s = new Import(loc, a, id, aliasid, isstatic); | |
| 2175 decldefs.push(cast(void*)s); | |
| 2176 | |
| 2177 /* Look for | |
| 2178 * : alias=name, alias=name; | |
| 2179 * syntax. | |
| 2180 */ | |
| 2181 if (token.value == TOK.TOKcolon) | |
| 2182 { | |
| 2183 do | |
| 2184 { | |
| 2185 Identifier name; | |
| 2186 | |
| 2187 nextToken(); | |
| 2188 if (token.value != TOK.TOKidentifier) | |
| 2189 { | |
| 2190 error("Identifier expected following :"); | |
| 2191 break; | |
| 2192 } | |
| 2193 Identifier alias_ = token.ident; | |
| 2194 nextToken(); | |
| 2195 if (token.value == TOK.TOKassign) | |
| 2196 { | |
| 2197 nextToken(); | |
| 2198 if (token.value != TOK.TOKidentifier) | |
| 2199 { | |
| 2200 error("Identifier expected following %s=", alias_.toChars()); | |
| 2201 break; | |
| 2202 } | |
| 2203 name = token.ident; | |
| 2204 nextToken(); | |
| 2205 } | |
| 2206 else | |
| 2207 { | |
| 2208 name = alias_; | |
| 2209 alias_ = null; | |
| 2210 } | |
| 2211 s.addAlias(name, alias_); | |
| 2212 } while (token.value == TOK.TOKcomma); | |
| 2213 | |
| 2214 break; // no comma-separated imports of this form | |
| 2215 } | |
| 2216 | |
| 2217 aliasid = null; | |
| 2218 | |
| 2219 } while (token.value == TOK.TOKcomma); | |
| 2220 | |
| 2221 if (token.value == TOK.TOKsemicolon) | |
| 2222 nextToken(); | |
| 2223 else | |
| 2224 { | |
| 2225 error("';' expected"); | |
| 2226 nextToken(); | |
| 2227 } | |
| 2228 | |
| 2229 return null; | |
| 2230 } | |
| 2231 | |
| 2232 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2233 { | |
| 2234 Type t; | |
| 2235 | |
| 2236 /* Take care of the storage class prefixes that | |
| 2237 * serve as type attributes: | |
| 2238 * const shared, shared const, const, invariant, shared | |
| 2239 */ | |
| 2240 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2241 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2242 { | |
| 2243 nextToken(); | |
| 2244 nextToken(); | |
| 2245 /* shared const type | |
| 2246 */ | |
| 2247 t = parseType(pident, tpl); | |
| 2248 t = t.makeSharedConst(); | |
| 2249 return t; | |
| 2250 } | |
| 2251 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2252 { | |
| 2253 nextToken(); | |
| 2254 /* const type | |
| 2255 */ | |
| 2256 t = parseType(pident, tpl); | |
| 2257 t = t.makeConst(); | |
| 2258 return t; | |
| 2259 } | |
| 2260 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2261 peekNext() != TOK.TOKlparen) | |
| 2262 { | |
| 2263 nextToken(); | |
| 2264 /* invariant type | |
| 2265 */ | |
| 2266 t = parseType(pident, tpl); | |
| 2267 t = t.makeInvariant(); | |
| 2268 return t; | |
| 2269 } | |
| 2270 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2271 { | |
| 2272 nextToken(); | |
| 2273 /* shared type | |
| 2274 */ | |
| 2275 t = parseType(pident, tpl); | |
| 2276 t = t.makeShared(); | |
| 2277 return t; | |
| 2278 } | |
| 2279 else | |
| 2280 t = parseBasicType(); | |
| 2281 t = parseDeclarator(t, pident, tpl); | |
| 2282 return t; | |
| 2283 } | |
| 2284 | |
| 2285 Type parseBasicType() | |
| 2286 { | |
| 2287 Type t; | |
| 2288 Identifier id; | |
| 2289 TypeQualified tid; | |
| 2290 | |
| 2291 //printf("parseBasicType()\n"); | |
| 2292 switch (token.value) | |
| 2293 { | |
| 2294 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2295 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2296 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2297 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2298 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2299 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2300 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2301 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2302 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2303 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2304 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2305 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2306 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2307 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2308 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2309 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2310 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2311 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2312 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2313 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2314 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2315 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2316 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2317 LabelX: | |
| 2318 nextToken(); | |
| 2319 break; | |
| 2320 | |
| 2321 case TOK.TOKidentifier: | |
| 2322 id = token.ident; | |
| 2323 nextToken(); | |
| 2324 if (token.value == TOK.TOKnot) | |
| 2325 { // ident!(template_arguments) | |
| 2326 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2327 nextToken(); | |
| 2328 if (token.value == TOK.TOKlparen) | |
| 2329 // ident!(template_arguments) | |
| 2330 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2331 else | |
| 2332 // ident!template_argument | |
| 2333 tempinst.tiargs = parseTemplateArgument(); | |
| 2334 tid = new TypeInstance(loc, tempinst); | |
| 2335 goto Lident2; | |
| 2336 } | |
| 2337 Lident: | |
| 2338 tid = new TypeIdentifier(loc, id); | |
| 2339 Lident2: | |
| 2340 while (token.value == TOK.TOKdot) | |
| 2341 { nextToken(); | |
| 2342 if (token.value != TOK.TOKidentifier) | |
| 2343 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2344 break; | |
| 2345 } | |
| 2346 id = token.ident; | |
| 2347 nextToken(); | |
| 2348 if (token.value == TOK.TOKnot) | |
| 2349 { | |
| 2350 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2351 nextToken(); | |
| 2352 if (token.value == TOK.TOKlparen) | |
| 2353 // ident!(template_arguments) | |
| 2354 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2355 else | |
| 2356 // ident!template_argument | |
| 2357 tempinst.tiargs = parseTemplateArgument(); | |
| 2358 tid.addIdent(cast(Identifier)tempinst); | |
| 2359 } | |
| 2360 else | |
| 2361 tid.addIdent(id); | |
| 2362 } | |
| 2363 t = tid; | |
| 2364 break; | |
| 2365 | |
| 2366 case TOK.TOKdot: | |
| 2367 // Leading . as in .foo | |
| 2368 id = Id.empty; | |
| 2369 goto Lident; | |
| 2370 | |
| 2371 case TOK.TOKtypeof: | |
| 2372 // typeof(expression) | |
| 2373 tid = parseTypeof(); | |
| 2374 goto Lident2; | |
| 2375 | |
| 2376 case TOK.TOKconst: | |
| 2377 // const(type) | |
| 2378 nextToken(); | |
| 2379 check(TOK.TOKlparen); | |
| 2380 t = parseType(); | |
| 2381 check(TOK.TOKrparen); | |
| 2382 if (t.isShared()) | |
| 2383 t = t.makeSharedConst(); | |
| 2384 else | |
| 2385 t = t.makeConst(); | |
| 2386 break; | |
| 2387 | |
| 2388 case TOK.TOKinvariant: | |
| 2389 case TOK.TOKimmutable: | |
| 2390 // invariant(type) | |
| 2391 nextToken(); | |
| 2392 check(TOK.TOKlparen); | |
| 2393 t = parseType(); | |
| 2394 check(TOK.TOKrparen); | |
| 2395 t = t.makeInvariant(); | |
| 2396 break; | |
| 2397 | |
| 2398 case TOK.TOKshared: | |
| 2399 // shared(type) | |
| 2400 nextToken(); | |
| 2401 check(TOK.TOKlparen); | |
| 2402 t = parseType(); | |
| 2403 check(TOK.TOKrparen); | |
| 2404 if (t.isConst()) | |
| 2405 t = t.makeSharedConst(); | |
| 2406 else | |
| 2407 t = t.makeShared(); | |
| 2408 break; | |
| 2409 | |
| 2410 default: | |
| 2411 error("basic type expected, not %s", token.toChars()); | |
| 2412 t = Type.tint32; | |
| 2413 break; | |
| 2414 } | |
| 2415 return t; | |
| 2416 } | |
| 2417 | |
| 2418 Type parseBasicType2(Type t) | |
| 2419 { | |
| 2420 //printf("parseBasicType2()\n"); | |
| 2421 while (1) | |
| 2422 { | |
| 2423 switch (token.value) | |
| 2424 { | |
| 2425 case TOK.TOKmul: | |
| 2426 t = new TypePointer(t); | |
| 2427 nextToken(); | |
| 2428 continue; | |
| 2429 | |
| 2430 case TOK.TOKlbracket: | |
| 2431 // Handle []. Make sure things like | |
| 2432 // int[3][1] a; | |
| 2433 // is (array[1] of array[3] of int) | |
| 2434 nextToken(); | |
| 2435 if (token.value == TOK.TOKrbracket) | |
| 2436 { | |
| 2437 t = new TypeDArray(t); // [] | |
| 2438 nextToken(); | |
| 2439 } | |
| 2440 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2441 { // It's an associative array declaration | |
| 2442 | |
| 2443 //printf("it's an associative array\n"); | |
| 2444 Type index = parseType(); // [ type ] | |
| 2445 t = new TypeAArray(t, index); | |
| 2446 check(TOK.TOKrbracket); | |
| 2447 } | |
| 2448 else | |
| 2449 { | |
| 2450 //printf("it's type[expression]\n"); | |
| 2451 inBrackets++; | |
| 2452 Expression e = parseExpression(); // [ expression ] | |
| 2453 if (token.value == TOK.TOKslice) | |
| 2454 { | |
| 2455 nextToken(); | |
| 2456 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2457 t = new TypeSlice(t, e, e2); | |
| 2458 } | |
| 2459 else | |
| 2460 t = new TypeSArray(t,e); | |
| 2461 inBrackets--; | |
| 2462 check(TOK.TOKrbracket); | |
| 2463 } | |
| 2464 continue; | |
| 2465 | |
| 2466 case TOK.TOKdelegate: | |
| 2467 case TOK.TOKfunction: | |
| 2468 { // Handle delegate declaration: | |
| 2469 // t delegate(parameter list) nothrow pure | |
| 2470 // t function(parameter list) nothrow pure | |
| 2471 Arguments arguments; | |
| 2472 int varargs; | |
| 2473 bool ispure = false; | |
| 2474 bool isnothrow = false; | |
| 2475 TOK save = token.value; | |
| 2476 | |
| 2477 nextToken(); | |
| 2478 arguments = parseParameters(&varargs); | |
| 2479 while (1) | |
| 2480 { // Postfixes | |
| 2481 if (token.value == TOK.TOKpure) | |
| 2482 ispure = true; | |
| 2483 else if (token.value == TOK.TOKnothrow) | |
| 2484 isnothrow = true; | |
| 2485 else | |
| 2486 break; | |
| 2487 nextToken(); | |
| 2488 } | |
| 2489 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2490 tf.ispure = ispure; | |
| 2491 tf.isnothrow = isnothrow; | |
| 2492 if (save == TOK.TOKdelegate) | |
| 2493 t = new TypeDelegate(tf); | |
| 2494 else | |
| 2495 t = new TypePointer(tf); // pointer to function | |
| 2496 continue; | |
| 2497 } | |
| 2498 | |
| 2499 default: | |
| 2500 return t; | |
| 2501 } | |
| 2502 assert(0); | |
| 2503 } | |
| 2504 assert(0); | |
| 2505 return null; | |
| 2506 } | |
| 2507 | |
| 2508 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2509 { | |
| 2510 Type ts; | |
| 2511 | |
| 2512 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2513 t = parseBasicType2(t); | |
| 2514 | |
| 2515 switch (token.value) | |
| 2516 { | |
| 2517 | |
| 2518 case TOK.TOKidentifier: | |
| 2519 if (pident) | |
| 2520 *pident = token.ident; | |
| 2521 else | |
| 2522 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2523 ts = t; | |
| 2524 nextToken(); | |
| 2525 break; | |
| 2526 | |
| 2527 case TOK.TOKlparen: | |
| 2528 /* Parse things with parentheses around the identifier, like: | |
| 2529 * int (*ident[3])[] | |
| 2530 * although the D style would be: | |
| 2531 * int[]*[3] ident | |
| 2532 */ | |
| 2533 nextToken(); | |
| 2534 ts = parseDeclarator(t, pident); | |
| 2535 check(TOK.TOKrparen); | |
| 2536 break; | |
| 2537 | |
| 2538 default: | |
| 2539 ts = t; | |
| 2540 break; | |
| 2541 } | |
| 2542 | |
| 2543 // parse DeclaratorSuffixes | |
| 2544 while (1) | |
| 2545 { | |
| 2546 switch (token.value) | |
| 2547 { | |
| 2548 version (CARRAYDECL) { | |
| 2549 /* Support C style array syntax: | |
| 2550 * int ident[] | |
| 2551 * as opposed to D-style: | |
| 2552 * int[] ident | |
| 2553 */ | |
| 2554 case TOK.TOKlbracket: | |
| 2555 { // This is the old C-style post [] syntax. | |
| 2556 TypeNext ta; | |
| 2557 nextToken(); | |
| 2558 if (token.value == TOK.TOKrbracket) | |
| 2559 { // It's a dynamic array | |
| 2560 ta = new TypeDArray(t); // [] | |
| 2561 nextToken(); | |
| 2562 } | |
| 2563 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2564 { // It's an associative array | |
| 2565 | |
| 2566 //printf("it's an associative array\n"); | |
| 2567 Type index = parseType(); // [ type ] | |
| 2568 check(TOK.TOKrbracket); | |
| 2569 ta = new TypeAArray(t, index); | |
| 2570 } | |
| 2571 else | |
| 2572 { | |
| 2573 //printf("It's a static array\n"); | |
| 2574 Expression e = parseExpression(); // [ expression ] | |
| 2575 ta = new TypeSArray(t, e); | |
| 2576 check(TOK.TOKrbracket); | |
| 2577 } | |
| 2578 | |
| 2579 /* Insert ta into | |
| 2580 * ts . ... . t | |
| 2581 * so that | |
| 2582 * ts . ... . ta . t | |
| 2583 */ | |
| 2584 Type* pt; | |
| 2585 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2586 ; | |
| 2587 } | |
| 2588 *pt = ta; | |
| 2589 continue; | |
| 2590 } | |
| 2591 } | |
| 2592 case TOK.TOKlparen: | |
| 2593 { | |
| 2594 if (tpl) | |
| 2595 { | |
| 2596 /* Look ahead to see if this is (...)(...), | |
| 2597 * i.e. a function template declaration | |
| 2598 */ | |
| 2599 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2600 { | |
| 2601 //printf("function template declaration\n"); | |
| 2602 | |
| 2603 // Gather template parameter list | |
| 2604 *tpl = parseTemplateParameterList(); | |
| 2605 } | |
| 2606 } | |
| 2607 | |
| 2608 int varargs; | |
| 2609 Arguments arguments = parseParameters(&varargs); | |
| 2610 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2611 | |
| 2612 /* Parse const/invariant/nothrow/pure postfix | |
| 2613 */ | |
| 2614 while (1) | |
| 2615 { | |
| 2616 switch (token.value) | |
| 2617 { | |
| 2618 case TOK.TOKconst: | |
| 2619 if (tf.isShared()) | |
| 2620 tf = tf.makeSharedConst(); | |
| 2621 else | |
| 2622 tf = tf.makeConst(); | |
| 2623 nextToken(); | |
| 2624 continue; | |
| 2625 | |
| 2626 case TOK.TOKinvariant: | |
| 2627 case TOK.TOKimmutable: | |
| 2628 tf = tf.makeInvariant(); | |
| 2629 nextToken(); | |
| 2630 continue; | |
| 2631 | |
| 2632 case TOK.TOKshared: | |
| 2633 if (tf.isConst()) | |
| 2634 tf = tf.makeSharedConst(); | |
| 2635 else | |
| 2636 tf = tf.makeShared(); | |
| 2637 nextToken(); | |
| 2638 continue; | |
| 2639 | |
| 2640 case TOK.TOKnothrow: | |
| 2641 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2642 nextToken(); | |
| 2643 continue; | |
| 2644 | |
| 2645 case TOK.TOKpure: | |
| 2646 (cast(TypeFunction)tf).ispure = 1; | |
| 2647 nextToken(); | |
| 2648 continue; | |
| 2649 | |
| 2650 case TOK.TOKat: | |
| 2651 nextToken(); | |
| 2652 if (token.value != TOK.TOKidentifier) | |
| 2653 { error("attribute identifier expected"); | |
| 2654 nextToken(); | |
| 2655 continue; | |
| 2656 } | |
| 2657 Identifier id = token.ident; | |
| 2658 if (id is Id.property) | |
| 2659 (cast(TypeFunction)tf).ispure = 1; | |
| 2660 else | |
| 2661 error("valid attribute identifiers are property, not %s", id.toChars()); | |
| 2662 nextToken(); | |
| 2663 continue; | |
| 2664 default: | |
| 2665 break; /// | |
| 2666 } | |
| 2667 break; | |
| 2668 } | |
| 2669 | |
| 2670 /* Insert tf into | |
| 2671 * ts . ... . t | |
| 2672 * so that | |
| 2673 * ts . ... . tf . t | |
| 2674 */ | |
| 2675 Type* pt; | |
| 2676 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2677 ; | |
| 2678 } | |
| 2679 *pt = tf; | |
| 2680 break; | |
| 2681 } | |
| 2682 | |
| 2683 default: | |
| 2684 break; /// | |
| 2685 } | |
| 2686 break; | |
| 2687 } | |
| 2688 | |
| 2689 return ts; | |
| 2690 } | |
| 2691 | |
| 2692 Array parseDeclarations(STC storage_class) | |
| 2693 { | |
| 2694 STC stc; | |
| 2695 Type ts; | |
| 2696 Type t; | |
| 2697 Type tfirst; | |
| 2698 Identifier ident; | |
| 2699 Array a; | |
| 2700 TOK tok = TOK.TOKreserved; | |
| 2701 ubyte* comment = token.blockComment; | |
| 2702 LINK link = linkage; | |
| 2703 | |
| 2704 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2705 if (storage_class) | |
| 2706 { ts = null; // infer type | |
| 2707 goto L2; | |
| 2708 } | |
| 2709 | |
| 2710 switch (token.value) | |
| 2711 { | |
| 2712 case TOK.TOKalias: | |
| 2713 /* Look for: | |
| 2714 * alias identifier this; | |
| 2715 */ | |
| 2716 tok = token.value; | |
| 2717 nextToken(); | |
| 2718 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2719 { | |
| 2720 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2721 nextToken(); | |
| 2722 check(TOK.TOKthis); | |
| 2723 check(TOK.TOKsemicolon); | |
| 2724 a = new Array(); | |
| 2725 a.push(cast(void*)s); | |
| 2726 addComment(s, comment); | |
| 2727 return a; | |
| 2728 } | |
| 2729 break; | |
| 2730 case TOK.TOKtypedef: | |
| 2731 tok = token.value; | |
| 2732 nextToken(); | |
| 2733 break; | |
| 2734 default: | |
| 2735 break; | |
| 2736 } | |
| 2737 | |
| 2738 storage_class = STC.STCundefined; | |
| 2739 while (1) | |
| 2740 { | |
| 2741 switch (token.value) | |
| 2742 { | |
| 2743 case TOK.TOKconst: | |
| 2744 if (peek(&token).value == TOK.TOKlparen) | |
| 2745 break; // const as type constructor | |
| 2746 stc = STC.STCconst; // const as storage class | |
| 2747 goto L1; | |
| 2748 | |
| 2749 case TOK.TOKinvariant: | |
| 2750 case TOK.TOKimmutable: | |
| 2751 if (peek(&token).value == TOK.TOKlparen) | |
| 2752 break; | |
| 2753 stc = STC.STCimmutable; | |
| 2754 goto L1; | |
| 2755 | |
| 2756 case TOK.TOKshared: | |
| 2757 if (peek(&token).value == TOK.TOKlparen) | |
| 2758 break; | |
| 2759 stc = STC.STCshared; | |
| 2760 goto L1; | |
| 2761 | |
| 2762 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2763 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2764 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2765 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2766 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2767 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2768 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2769 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2770 version (DMDV2) { | |
| 2771 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2772 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2773 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2774 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2775 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2776 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2777 } | |
| 2778 L1: | |
| 2779 if (storage_class & stc) | |
| 2780 error("redundant storage class '%s'", token.toChars()); | |
| 2781 storage_class = (storage_class | stc); | |
| 2782 composeStorageClass(storage_class); | |
| 2783 nextToken(); | |
| 2784 continue; | |
| 2785 | |
| 2786 case TOK.TOKextern: | |
| 2787 if (peek(&token).value != TOK.TOKlparen) | |
| 2788 { stc = STC.STCextern; | |
| 2789 goto L1; | |
| 2790 } | |
| 2791 | |
| 2792 link = parseLinkage(); | |
| 2793 continue; | |
| 2794 | |
| 2795 default: | |
| 2796 break; | |
| 2797 } | |
| 2798 break; | |
| 2799 } | |
| 2800 | |
| 2801 /* Look for auto initializers: | |
| 2802 * storage_class identifier = initializer; | |
| 2803 */ | |
| 2804 if (storage_class && | |
| 2805 token.value == TOK.TOKidentifier && | |
| 2806 peek(&token).value == TOK.TOKassign) | |
| 2807 { | |
| 2808 return parseAutoDeclarations(storage_class, comment); | |
| 2809 } | |
| 2810 | |
| 2811 if (token.value == TOK.TOKclass) | |
| 2812 { | |
| 2813 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2814 s.storage_class |= storage_class; | |
| 2815 a = new Array(); | |
| 2816 a.push(cast(void*)s); | |
| 2817 addComment(s, comment); | |
| 2818 return a; | |
| 2819 } | |
| 2820 | |
| 2821 /* Look for return type inference for template functions. | |
| 2822 */ | |
| 2823 { | |
| 2824 Token *tk; | |
| 2825 if (storage_class && | |
| 2826 token.value == TOK.TOKidentifier && | |
| 2827 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2828 skipParens(tk, &tk) && | |
| 2829 peek(tk).value == TOK.TOKlparen) | |
| 2830 { | |
| 2831 ts = null; | |
| 2832 } | |
| 2833 else | |
| 2834 { | |
| 2835 ts = parseBasicType(); | |
| 2836 ts = parseBasicType2(ts); | |
| 2837 } | |
| 2838 } | |
| 2839 | |
| 2840 L2: | |
| 2841 tfirst = null; | |
| 2842 a = new Array(); | |
| 2843 | |
| 2844 while (1) | |
| 2845 { | |
| 2846 Loc loc = this.loc; | |
| 2847 TemplateParameters tpl = null; | |
| 2848 | |
| 2849 ident = null; | |
| 2850 t = parseDeclarator(ts, &ident, &tpl); | |
| 2851 assert(t); | |
| 2852 if (!tfirst) | |
| 2853 tfirst = t; | |
| 2854 else if (t != tfirst) | |
| 2855 error("multiple declarations must have the same type, not %s and %s", | |
| 2856 tfirst.toChars(), t.toChars()); | |
| 2857 if (!ident) | |
| 2858 error("no identifier for declarator %s", t.toChars()); | |
| 2859 | |
| 2860 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2861 { Declaration v; | |
| 2862 Initializer init = null; | |
| 2863 | |
| 2864 if (token.value == TOK.TOKassign) | |
| 2865 { | |
| 2866 nextToken(); | |
| 2867 init = parseInitializer(); | |
| 2868 } | |
| 2869 if (tok == TOK.TOKtypedef) | |
| 2870 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2871 else | |
| 2872 { if (init) | |
| 2873 error("alias cannot have initializer"); | |
| 2874 v = new AliasDeclaration(loc, ident, t); | |
| 2875 } | |
| 2876 v.storage_class = storage_class; | |
| 2877 if (link == linkage) | |
| 2878 a.push(cast(void*)v); | |
| 2879 else | |
| 2880 { | |
| 2881 Array ax = new Array(); | |
| 2882 ax.push(cast(void*)v); | |
| 2883 Dsymbol s = new LinkDeclaration(link, ax); | |
| 2884 a.push(cast(void*)s); | |
| 2885 } | |
| 2886 switch (token.value) | |
| 2887 { case TOK.TOKsemicolon: | |
| 2888 nextToken(); | |
| 2889 addComment(v, comment); | |
| 2890 break; | |
| 2891 | |
| 2892 case TOK.TOKcomma: | |
| 2893 nextToken(); | |
| 2894 addComment(v, comment); | |
| 2895 continue; | |
| 2896 | |
| 2897 default: | |
| 2898 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2899 break; | |
| 2900 } | |
| 2901 } | |
| 2902 else if (t.ty == TY.Tfunction) | |
| 2903 { | |
| 2904 TypeFunction tf = cast(TypeFunction)t; | |
| 2905 Expression constraint = null; | |
| 2906 static if (false) { | |
| 2907 if (Argument.isTPL(tf.parameters)) | |
| 2908 { | |
| 2909 if (!tpl) | |
| 2910 tpl = new TemplateParameters(); | |
| 2911 } | |
| 2912 } | |
| 2913 FuncDeclaration f = | |
| 2914 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2915 addComment(f, comment); | |
| 2916 if (tpl) | |
| 2917 constraint = parseConstraint(); | |
| 2918 parseContracts(f); | |
| 2919 addComment(f, null); | |
| 2920 Dsymbol s; | |
| 2921 if (link == linkage) | |
| 2922 { | |
| 2923 s = f; | |
| 2924 } | |
| 2925 else | |
| 2926 { | |
| 2927 Array ax = new Array(); | |
| 2928 ax.push(cast(void*)f); | |
| 2929 s = new LinkDeclaration(link, ax); | |
| 2930 } | |
| 2931 /* A template parameter list means it's a function template | |
| 2932 */ | |
| 2933 if (tpl) | |
| 2934 { | |
| 2935 // Wrap a template around the function declaration | |
| 2936 Array decldefs = new Array(); | |
| 2937 decldefs.push(cast(void*)s); | |
| 2938 TemplateDeclaration tempdecl = | |
| 2939 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); | |
| 2940 s = tempdecl; | |
| 2941 } | |
| 2942 addComment(s, comment); | |
| 2943 a.push(cast(void*)s); | |
| 2944 } | |
| 2945 else | |
| 2946 { | |
| 2947 Initializer init = null; | |
| 2948 if (token.value == TOK.TOKassign) | |
| 2949 { | |
| 2950 nextToken(); | |
| 2951 init = parseInitializer(); | |
| 2952 } | |
| 2953 | |
| 2954 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2955 v.storage_class = storage_class; | |
| 2956 if (link == linkage) | |
| 2957 a.push(cast(void*)v); | |
| 2958 else | |
| 2959 { | |
| 2960 Array ax = new Array(); | |
| 2961 ax.push(cast(void*)v); | |
| 2962 Dsymbol s = new LinkDeclaration(link, ax); | |
| 2963 a.push(cast(void*)s); | |
| 2964 } | |
| 2965 switch (token.value) | |
| 2966 { case TOK.TOKsemicolon: | |
| 2967 nextToken(); | |
| 2968 addComment(v, comment); | |
| 2969 break; | |
| 2970 | |
| 2971 case TOK.TOKcomma: | |
| 2972 nextToken(); | |
| 2973 addComment(v, comment); | |
| 2974 continue; | |
| 2975 | |
| 2976 default: | |
| 2977 error("semicolon expected, not '%s'", token.toChars()); | |
| 2978 break; | |
| 2979 } | |
| 2980 } | |
| 2981 break; | |
| 2982 } | |
| 2983 return a; | |
| 2984 } | |
| 2985 | |
| 2986 void parseContracts(FuncDeclaration f) | |
| 2987 { | |
| 2988 Type tb; | |
| 2989 LINK linksave = linkage; | |
| 2990 | |
| 2991 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 2992 // TypeFunction.semantic | |
| 2993 linkage = LINK.LINKd; // nested functions have D linkage | |
| 2994 L1: | |
| 2995 switch (token.value) | |
| 2996 { | |
| 2997 case TOK.TOKlcurly: | |
| 2998 if (f.frequire || f.fensure) | |
| 2999 error("missing body { ... } after in or out"); | |
| 3000 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3001 f.endloc = endloc; | |
| 3002 break; | |
| 3003 | |
| 3004 case TOK.TOKbody: | |
| 3005 nextToken(); | |
| 3006 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3007 f.endloc = endloc; | |
| 3008 break; | |
| 3009 | |
| 3010 case TOK.TOKsemicolon: | |
| 3011 if (f.frequire || f.fensure) | |
| 3012 error("missing body { ... } after in or out"); | |
| 3013 nextToken(); | |
| 3014 break; | |
| 3015 | |
| 3016 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3017 // int x, y, foo(), z; | |
| 3018 case TOK.TOKcomma: | |
| 3019 nextToken(); | |
| 3020 continue; | |
| 3021 } | |
| 3022 | |
| 3023 static if (false) { // Dumped feature | |
| 3024 case TOK.TOKthrow: | |
| 3025 if (!f.fthrows) | |
| 3026 f.fthrows = new Array(); | |
| 3027 nextToken(); | |
| 3028 check(TOK.TOKlparen); | |
| 3029 while (1) | |
| 3030 { | |
| 3031 tb = parseBasicType(); | |
| 3032 f.fthrows.push(tb); | |
| 3033 if (token.value == TOK.TOKcomma) | |
| 3034 { nextToken(); | |
| 3035 continue; | |
| 3036 } | |
| 3037 break; | |
| 3038 } | |
| 3039 check(TOK.TOKrparen); | |
| 3040 goto L1; | |
| 3041 } | |
| 3042 | |
| 3043 case TOK.TOKin: | |
| 3044 nextToken(); | |
| 3045 if (f.frequire) | |
| 3046 error("redundant 'in' statement"); | |
| 3047 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3048 goto L1; | |
| 3049 | |
| 3050 case TOK.TOKout: | |
| 3051 // parse: out (identifier) { statement } | |
| 3052 nextToken(); | |
| 3053 if (token.value != TOK.TOKlcurly) | |
| 3054 { | |
| 3055 check(TOK.TOKlparen); | |
| 3056 if (token.value != TOK.TOKidentifier) | |
| 3057 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3058 f.outId = token.ident; | |
| 3059 nextToken(); | |
| 3060 check(TOK.TOKrparen); | |
| 3061 } | |
| 3062 if (f.fensure) | |
| 3063 error("redundant 'out' statement"); | |
| 3064 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3065 goto L1; | |
| 3066 | |
| 3067 default: | |
| 3068 error("semicolon expected following function declaration"); | |
| 3069 break; | |
| 3070 } | |
| 3071 linkage = linksave; | |
| 3072 } | |
| 3073 | |
| 3074 Statement parseStatement(ParseStatementFlags flags) | |
| 3075 { | |
| 3076 Statement s; | |
| 3077 Token* t; | |
| 3078 Condition condition; | |
| 3079 Statement ifbody; | |
| 3080 Statement elsebody; | |
| 3081 bool isfinal; | |
| 3082 Loc loc = this.loc; | |
| 3083 | |
| 3084 //printf("parseStatement()\n"); | |
| 3085 | |
| 3086 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3087 error("statement expected to be { }, not %s", token.toChars()); | |
| 3088 | |
| 3089 switch (token.value) | |
| 3090 { | |
| 3091 case TOK.TOKidentifier: | |
| 3092 /* A leading identifier can be a declaration, label, or expression. | |
| 3093 * The easiest case to check first is label: | |
| 3094 */ | |
| 3095 t = peek(&token); | |
| 3096 if (t.value == TOK.TOKcolon) | |
| 3097 { // It's a label | |
| 3098 | |
| 3099 Identifier ident = token.ident; | |
| 3100 nextToken(); | |
| 3101 nextToken(); | |
| 3102 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3103 s = new LabelStatement(loc, ident, s); | |
| 3104 break; | |
| 3105 } | |
| 3106 // fallthrough to TOK.TOKdot | |
| 3107 case TOK.TOKdot: | |
| 3108 case TOK.TOKtypeof: | |
| 3109 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3110 goto Ldeclaration; | |
| 3111 else | |
| 3112 goto Lexp; | |
| 3113 break; | |
| 3114 | |
| 3115 case TOK.TOKassert: | |
| 3116 case TOK.TOKthis: | |
| 3117 case TOK.TOKsuper: | |
| 3118 case TOK.TOKint32v: | |
| 3119 case TOK.TOKuns32v: | |
| 3120 case TOK.TOKint64v: | |
| 3121 case TOK.TOKuns64v: | |
| 3122 case TOK.TOKfloat32v: | |
| 3123 case TOK.TOKfloat64v: | |
| 3124 case TOK.TOKfloat80v: | |
| 3125 case TOK.TOKimaginary32v: | |
| 3126 case TOK.TOKimaginary64v: | |
| 3127 case TOK.TOKimaginary80v: | |
| 3128 case TOK.TOKcharv: | |
| 3129 case TOK.TOKwcharv: | |
| 3130 case TOK.TOKdcharv: | |
| 3131 case TOK.TOKnull: | |
| 3132 case TOK.TOKtrue: | |
| 3133 case TOK.TOKfalse: | |
| 3134 case TOK.TOKstring: | |
| 3135 case TOK.TOKlparen: | |
| 3136 case TOK.TOKcast: | |
| 3137 case TOK.TOKmul: | |
| 3138 case TOK.TOKmin: | |
| 3139 case TOK.TOKadd: | |
| 3140 case TOK.TOKplusplus: | |
| 3141 case TOK.TOKminusminus: | |
| 3142 case TOK.TOKnew: | |
| 3143 case TOK.TOKdelete: | |
| 3144 case TOK.TOKdelegate: | |
| 3145 case TOK.TOKfunction: | |
| 3146 case TOK.TOKtypeid: | |
| 3147 case TOK.TOKis: | |
| 3148 case TOK.TOKlbracket: | |
| 3149 version (DMDV2) { | |
| 3150 case TOK.TOKtraits: | |
| 3151 case TOK.TOKfile: | |
| 3152 case TOK.TOKline: | |
| 3153 } | |
| 3154 Lexp: | |
| 3155 { Expression exp; | |
| 3156 | |
| 3157 exp = parseExpression(); | |
| 3158 check(TOK.TOKsemicolon, "statement"); | |
| 3159 s = new ExpStatement(loc, exp); | |
| 3160 break; | |
| 3161 } | |
| 3162 | |
| 3163 case TOK.TOKstatic: | |
| 3164 { // Look ahead to see if it's static assert() or static if() | |
| 3165 Token *tt; | |
| 3166 | |
| 3167 tt = peek(&token); | |
| 3168 if (tt.value == TOK.TOKassert) | |
| 3169 { | |
| 3170 nextToken(); | |
| 3171 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3172 break; | |
| 3173 } | |
| 3174 if (tt.value == TOK.TOKif) | |
| 3175 { | |
| 3176 nextToken(); | |
| 3177 condition = parseStaticIfCondition(); | |
| 3178 goto Lcondition; | |
| 3179 } | |
| 3180 goto Ldeclaration; | |
| 3181 } | |
| 3182 | |
| 3183 case TOK.TOKfinal: | |
| 3184 if (peekNext() == TOK.TOKswitch) | |
| 3185 { | |
| 3186 nextToken(); | |
| 3187 isfinal = true; | |
| 3188 goto Lswitch; | |
| 3189 } | |
| 3190 goto Ldeclaration; | |
| 3191 | |
| 3192 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3193 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3194 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3195 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3196 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3197 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3198 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3199 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3200 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3201 case TOK.TOKvoid: | |
| 3202 case TOK.TOKtypedef: | |
| 3203 case TOK.TOKalias: | |
| 3204 case TOK.TOKconst: | |
| 3205 case TOK.TOKauto: | |
| 3206 case TOK.TOKextern: | |
| 3207 case TOK.TOKinvariant: | |
| 3208 version (DMDV2) { | |
| 3209 case TOK.TOKimmutable: | |
| 3210 case TOK.TOKshared: | |
| 3211 case TOK.TOKnothrow: | |
| 3212 case TOK.TOKpure: | |
| 3213 case TOK.TOKtls: | |
| 3214 case TOK.TOKgshared: | |
| 3215 } | |
| 3216 // case TOK.TOKtypeof: | |
| 3217 Ldeclaration: | |
| 3218 { Array a; | |
| 3219 | |
| 3220 a = parseDeclarations(STC.STCundefined); | |
| 3221 if (a.dim > 1) | |
| 3222 { | |
| 3223 Statements as = new Statements(); | |
| 3224 as.reserve(a.dim); | |
| 3225 for (int i = 0; i < a.dim; i++) | |
| 3226 { | |
| 3227 Dsymbol d = cast(Dsymbol)a.data[i]; | |
| 3228 s = new DeclarationStatement(loc, d); | |
| 3229 as.push(cast(void*)s); | |
| 3230 } | |
| 3231 s = new CompoundDeclarationStatement(loc, as); | |
| 3232 } | |
| 3233 else if (a.dim == 1) | |
| 3234 { | |
| 3235 Dsymbol d = cast(Dsymbol)a.data[0]; | |
| 3236 s = new DeclarationStatement(loc, d); | |
| 3237 } | |
| 3238 else | |
| 3239 assert(0); | |
| 3240 if (flags & ParseStatementFlags.PSscope) | |
| 3241 s = new ScopeStatement(loc, s); | |
| 3242 break; | |
| 3243 } | |
| 3244 | |
| 3245 case TOK.TOKstruct: | |
| 3246 case TOK.TOKunion: | |
| 3247 case TOK.TOKclass: | |
| 3248 case TOK.TOKinterface: | |
| 3249 { Dsymbol d; | |
| 3250 | |
| 3251 d = parseAggregate(); | |
| 3252 s = new DeclarationStatement(loc, d); | |
| 3253 break; | |
| 3254 } | |
| 3255 | |
| 3256 case TOK.TOKenum: | |
| 3257 { /* Determine if this is a manifest constant declaration, | |
| 3258 * or a conventional enum. | |
| 3259 */ | |
| 3260 Dsymbol d; | |
| 3261 Token* tt = peek(&token); | |
| 3262 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3263 d = parseEnum(); | |
| 3264 else if (tt.value != TOK.TOKidentifier) | |
| 3265 goto Ldeclaration; | |
| 3266 else | |
| 3267 { | |
| 3268 tt = peek(tt); | |
| 3269 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3270 tt.value == TOK.TOKsemicolon) | |
| 3271 d = parseEnum(); | |
| 3272 else | |
| 3273 goto Ldeclaration; | |
| 3274 } | |
| 3275 s = new DeclarationStatement(loc, d); | |
| 3276 break; | |
| 3277 } | |
| 3278 | |
| 3279 case TOK.TOKmixin: | |
| 3280 { t = peek(&token); | |
| 3281 if (t.value == TOK.TOKlparen) | |
| 3282 { // mixin(string) | |
| 3283 nextToken(); | |
| 3284 check(TOK.TOKlparen, "mixin"); | |
| 3285 Expression e = parseAssignExp(); | |
| 3286 check(TOK.TOKrparen); | |
| 3287 check(TOK.TOKsemicolon); | |
| 3288 s = new CompileStatement(loc, e); | |
| 3289 break; | |
| 3290 } | |
| 3291 Dsymbol d = parseMixin(); | |
| 3292 s = new DeclarationStatement(loc, d); | |
| 3293 break; | |
| 3294 } | |
| 3295 | |
| 3296 case TOK.TOKlcurly: | |
| 3297 { Statements statements; | |
| 3298 | |
| 3299 nextToken(); | |
| 3300 statements = new Statements(); | |
| 3301 while (token.value != TOK.TOKrcurly) | |
| 3302 { | |
| 3303 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3304 } | |
| 3305 endloc = this.loc; | |
| 3306 s = new CompoundStatement(loc, statements); | |
| 3307 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3308 s = new ScopeStatement(loc, s); | |
| 3309 nextToken(); | |
| 3310 break; | |
| 3311 } | |
| 3312 | |
| 3313 case TOK.TOKwhile: | |
| 3314 { Expression condition2; | |
| 3315 Statement body_; | |
| 3316 | |
| 3317 nextToken(); | |
| 3318 check(TOK.TOKlparen); | |
| 3319 condition2 = parseExpression(); | |
| 3320 check(TOK.TOKrparen); | |
| 3321 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3322 s = new WhileStatement(loc, condition2, body_); | |
| 3323 break; | |
| 3324 } | |
| 3325 | |
| 3326 case TOK.TOKsemicolon: | |
| 3327 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3328 error("use '{ }' for an empty statement, not a ';'"); | |
| 3329 nextToken(); | |
| 3330 s = new ExpStatement(loc, null); | |
| 3331 break; | |
| 3332 | |
| 3333 case TOK.TOKdo: | |
| 3334 { Statement body_; | |
| 3335 Expression condition2; | |
| 3336 | |
| 3337 nextToken(); | |
| 3338 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3339 check(TOK.TOKwhile); | |
| 3340 check(TOK.TOKlparen); | |
| 3341 condition2 = parseExpression(); | |
| 3342 check(TOK.TOKrparen); | |
| 3343 s = new DoStatement(loc, body_, condition2); | |
| 3344 break; | |
| 3345 } | |
| 3346 | |
| 3347 case TOK.TOKfor: | |
| 3348 { | |
| 3349 Statement init; | |
| 3350 Expression condition2; | |
| 3351 Expression increment; | |
| 3352 Statement body_; | |
| 3353 | |
| 3354 nextToken(); | |
| 3355 check(TOK.TOKlparen); | |
| 3356 if (token.value == TOK.TOKsemicolon) | |
| 3357 { init = null; | |
| 3358 nextToken(); | |
| 3359 } | |
| 3360 else | |
| 3361 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3362 } | |
| 3363 if (token.value == TOK.TOKsemicolon) | |
| 3364 { | |
| 3365 condition2 = null; | |
| 3366 nextToken(); | |
| 3367 } | |
| 3368 else | |
| 3369 { | |
| 3370 condition2 = parseExpression(); | |
| 3371 check(TOK.TOKsemicolon, "for condition"); | |
| 3372 } | |
| 3373 if (token.value == TOK.TOKrparen) | |
| 3374 { increment = null; | |
| 3375 nextToken(); | |
| 3376 } | |
| 3377 else | |
| 3378 { increment = parseExpression(); | |
| 3379 check(TOK.TOKrparen); | |
| 3380 } | |
| 3381 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3382 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3383 if (init) | |
| 3384 s = new ScopeStatement(loc, s); | |
| 3385 break; | |
| 3386 } | |
| 3387 | |
| 3388 case TOK.TOKforeach: | |
| 3389 case TOK.TOKforeach_reverse: | |
| 3390 { | |
| 3391 TOK op = token.value; | |
| 3392 Arguments arguments; | |
| 3393 | |
| 3394 Statement d; | |
| 3395 Statement body_; | |
| 3396 Expression aggr; | |
| 3397 | |
| 3398 nextToken(); | |
| 3399 check(TOK.TOKlparen); | |
| 3400 | |
| 3401 arguments = new Arguments(); | |
| 3402 | |
| 3403 while (1) | |
| 3404 { | |
| 3405 Type tb; | |
| 3406 Identifier ai = null; | |
| 3407 Type at; | |
| 3408 STC storageClass = STC.STCundefined; | |
| 3409 Argument a; | |
| 3410 | |
| 3411 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3412 { storageClass = STC.STCref; | |
| 3413 nextToken(); | |
| 3414 } | |
| 3415 if (token.value == TOK.TOKidentifier) | |
| 3416 { | |
| 3417 Token *tt = peek(&token); | |
| 3418 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3419 { ai = token.ident; | |
| 3420 at = null; // infer argument type | |
| 3421 nextToken(); | |
| 3422 goto Larg; | |
| 3423 } | |
| 3424 } | |
| 3425 at = parseType(&ai); | |
| 3426 if (!ai) | |
| 3427 error("no identifier for declarator %s", at.toChars()); | |
| 3428 Larg: | |
| 3429 a = new Argument(storageClass, at, ai, null); | |
| 3430 arguments.push(cast(void*)a); | |
| 3431 if (token.value == TOK.TOKcomma) | |
| 3432 { nextToken(); | |
| 3433 continue; | |
| 3434 } | |
| 3435 break; | |
| 3436 } | |
| 3437 check(TOK.TOKsemicolon); | |
| 3438 | |
| 3439 aggr = parseExpression(); | |
| 3440 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3441 { | |
| 3442 Argument a = cast(Argument)arguments.data[0]; | |
| 3443 delete arguments; | |
| 3444 nextToken(); | |
| 3445 Expression upr = parseExpression(); | |
| 3446 check(TOK.TOKrparen); | |
| 3447 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3448 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3449 } | |
| 3450 else | |
| 3451 { | |
| 3452 check(TOK.TOKrparen); | |
| 3453 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3454 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3455 } | |
| 3456 break; | |
| 3457 } | |
| 3458 | |
| 3459 case TOK.TOKif: | |
| 3460 { Argument arg = null; | |
| 3461 Expression condition2; | |
| 3462 Statement ifbody2; | |
| 3463 Statement elsebody2; | |
| 3464 | |
| 3465 nextToken(); | |
| 3466 check(TOK.TOKlparen); | |
| 3467 | |
| 3468 if (token.value == TOK.TOKauto) | |
| 3469 { | |
| 3470 nextToken(); | |
| 3471 if (token.value == TOK.TOKidentifier) | |
| 3472 { | |
| 3473 Token *tt = peek(&token); | |
| 3474 if (tt.value == TOK.TOKassign) | |
| 3475 { | |
| 3476 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3477 nextToken(); | |
| 3478 nextToken(); | |
| 3479 } | |
| 3480 else | |
| 3481 { error("= expected following auto identifier"); | |
| 3482 goto Lerror; | |
| 3483 } | |
| 3484 } | |
| 3485 else | |
| 3486 { error("identifier expected following auto"); | |
| 3487 goto Lerror; | |
| 3488 } | |
| 3489 } | |
| 3490 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3491 { | |
| 3492 Type at; | |
| 3493 Identifier ai; | |
| 3494 | |
| 3495 at = parseType(&ai); | |
| 3496 check(TOK.TOKassign); | |
| 3497 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3498 } | |
| 3499 | |
| 3500 // Check for " ident;" | |
| 3501 else if (token.value == TOK.TOKidentifier) | |
| 3502 { | |
| 3503 Token *tt = peek(&token); | |
| 3504 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3505 { | |
| 3506 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3507 nextToken(); | |
| 3508 nextToken(); | |
| 3509 if (1 || !global.params.useDeprecated) | |
| 3510 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3511 } | |
| 3512 } | |
| 3513 | |
| 3514 condition2 = parseExpression(); | |
| 3515 check(TOK.TOKrparen); | |
| 3516 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3517 if (token.value == TOK.TOKelse) | |
| 3518 { | |
| 3519 nextToken(); | |
| 3520 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3521 } | |
| 3522 else | |
| 3523 elsebody2 = null; | |
| 3524 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3525 break; | |
| 3526 } | |
| 3527 | |
| 3528 case TOK.TOKscope: | |
| 3529 if (peek(&token).value != TOK.TOKlparen) | |
| 3530 goto Ldeclaration; // scope used as storage class | |
| 3531 nextToken(); | |
| 3532 check(TOK.TOKlparen); | |
| 3533 if (token.value != TOK.TOKidentifier) | |
| 3534 { error("scope identifier expected"); | |
| 3535 goto Lerror; | |
| 3536 } | |
| 3537 else | |
| 3538 { TOK tt = TOK.TOKon_scope_exit; | |
| 3539 Identifier id = token.ident; | |
| 3540 | |
| 3541 if (id == Id.exit) | |
| 3542 tt = TOK.TOKon_scope_exit; | |
| 3543 else if (id == Id.failure) | |
| 3544 tt = TOK.TOKon_scope_failure; | |
| 3545 else if (id == Id.success) | |
| 3546 tt = TOK.TOKon_scope_success; | |
| 3547 else | |
| 3548 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3549 nextToken(); | |
| 3550 check(TOK.TOKrparen); | |
| 3551 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3552 s = new OnScopeStatement(loc, tt, st); | |
| 3553 break; | |
| 3554 } | |
| 3555 | |
| 3556 case TOK.TOKdebug: | |
| 3557 nextToken(); | |
| 3558 condition = parseDebugCondition(); | |
| 3559 goto Lcondition; | |
| 3560 | |
| 3561 case TOK.TOKversion: | |
| 3562 nextToken(); | |
| 3563 condition = parseVersionCondition(); | |
| 3564 goto Lcondition; | |
| 3565 | |
| 3566 Lcondition: | |
| 3567 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3568 elsebody = null; | |
| 3569 if (token.value == TOK.TOKelse) | |
| 3570 { | |
| 3571 nextToken(); | |
| 3572 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3573 } | |
| 3574 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3575 break; | |
| 3576 | |
| 3577 case TOK.TOKpragma: | |
| 3578 { Identifier ident; | |
| 3579 Expressions args = null; | |
| 3580 Statement body_; | |
| 3581 | |
| 3582 nextToken(); | |
| 3583 check(TOK.TOKlparen); | |
| 3584 if (token.value != TOK.TOKidentifier) | |
| 3585 { error("pragma(identifier expected"); | |
| 3586 goto Lerror; | |
| 3587 } | |
| 3588 ident = token.ident; | |
| 3589 nextToken(); | |
| 3590 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3591 args = parseArguments(); // pragma(identifier, args...); | |
| 3592 else | |
| 3593 check(TOK.TOKrparen); // pragma(identifier); | |
| 3594 if (token.value == TOK.TOKsemicolon) | |
| 3595 { nextToken(); | |
| 3596 body_ = null; | |
| 3597 } | |
| 3598 else | |
| 3599 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3600 s = new PragmaStatement(loc, ident, args, body_); | |
| 3601 break; | |
| 3602 } | |
| 3603 | |
| 3604 case TOK.TOKswitch: | |
| 3605 isfinal = false; | |
| 3606 goto Lswitch; | |
| 3607 | |
| 3608 Lswitch: | |
| 3609 { | |
| 3610 nextToken(); | |
| 3611 check(TOK.TOKlparen); | |
| 3612 Expression condition2 = parseExpression(); | |
| 3613 check(TOK.TOKrparen); | |
| 3614 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3615 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3616 break; | |
| 3617 } | |
| 3618 | |
| 3619 case TOK.TOKcase: | |
| 3620 { Expression exp; | |
| 3621 Statements statements; | |
| 3622 scope Array cases = new Array(); // array of Expression's | |
| 3623 Expression last = null; | |
| 3624 | |
| 3625 while (1) | |
| 3626 { | |
| 3627 nextToken(); | |
| 3628 exp = parseAssignExp(); | |
| 3629 cases.push(cast(void*)exp); | |
| 3630 if (token.value != TOK.TOKcomma) | |
| 3631 break; | |
| 3632 } | |
| 3633 check(TOK.TOKcolon); | |
| 3634 | |
| 3635 version (DMDV2) { | |
| 3636 /* case exp: .. case last: | |
| 3637 */ | |
| 3638 if (token.value == TOK.TOKslice) | |
| 3639 { | |
| 3640 if (cases.dim > 1) | |
| 3641 error("only one case allowed for start of case range"); | |
| 3642 nextToken(); | |
| 3643 check(TOK.TOKcase); | |
| 3644 last = parseAssignExp(); | |
| 3645 check(TOK.TOKcolon); | |
| 3646 } | |
| 3647 } | |
| 3648 | |
| 3649 statements = new Statements(); | |
| 3650 while (token.value != TOK.TOKcase && | |
| 3651 token.value != TOK.TOKdefault && | |
| 3652 token.value != TOK.TOKrcurly) | |
| 3653 { | |
| 3654 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3655 } | |
| 3656 s = new CompoundStatement(loc, statements); | |
| 3657 s = new ScopeStatement(loc, s); | |
| 3658 | |
| 3659 ///version (DMDV2) { | |
| 3660 if (last) | |
| 3661 { | |
| 3662 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3663 } | |
| 3664 else | |
| 3665 ///} | |
| 3666 { | |
| 3667 // Keep cases in order by building the case statements backwards | |
| 3668 for (int i = cases.dim; i; i--) | |
| 3669 { | |
| 3670 exp = cast(Expression)cases.data[i - 1]; | |
| 3671 s = new CaseStatement(loc, exp, s); | |
| 3672 } | |
| 3673 } | |
| 3674 break; | |
| 3675 } | |
| 3676 | |
| 3677 case TOK.TOKdefault: | |
| 3678 { | |
| 3679 Statements statements; | |
| 3680 | |
| 3681 nextToken(); | |
| 3682 check(TOK.TOKcolon); | |
| 3683 | |
| 3684 statements = new Statements(); | |
| 3685 while (token.value != TOK.TOKcase && | |
| 3686 token.value != TOK.TOKdefault && | |
| 3687 token.value != TOK.TOKrcurly) | |
| 3688 { | |
| 3689 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3690 } | |
| 3691 s = new CompoundStatement(loc, statements); | |
| 3692 s = new ScopeStatement(loc, s); | |
| 3693 s = new DefaultStatement(loc, s); | |
| 3694 break; | |
| 3695 } | |
| 3696 | |
| 3697 case TOK.TOKreturn: | |
| 3698 { Expression exp; | |
| 3699 | |
| 3700 nextToken(); | |
| 3701 if (token.value == TOK.TOKsemicolon) | |
| 3702 exp = null; | |
| 3703 else | |
| 3704 exp = parseExpression(); | |
| 3705 check(TOK.TOKsemicolon, "return statement"); | |
| 3706 s = new ReturnStatement(loc, exp); | |
| 3707 break; | |
| 3708 } | |
| 3709 | |
| 3710 case TOK.TOKbreak: | |
| 3711 { Identifier ident; | |
| 3712 | |
| 3713 nextToken(); | |
| 3714 if (token.value == TOK.TOKidentifier) | |
| 3715 { ident = token.ident; | |
| 3716 nextToken(); | |
| 3717 } | |
| 3718 else | |
| 3719 ident = null; | |
| 3720 check(TOK.TOKsemicolon, "break statement"); | |
| 3721 s = new BreakStatement(loc, ident); | |
| 3722 break; | |
| 3723 } | |
| 3724 | |
| 3725 case TOK.TOKcontinue: | |
| 3726 { Identifier ident; | |
| 3727 | |
| 3728 nextToken(); | |
| 3729 if (token.value == TOK.TOKidentifier) | |
| 3730 { ident = token.ident; | |
| 3731 nextToken(); | |
| 3732 } | |
| 3733 else | |
| 3734 ident = null; | |
| 3735 check(TOK.TOKsemicolon, "continue statement"); | |
| 3736 s = new ContinueStatement(loc, ident); | |
| 3737 break; | |
| 3738 } | |
| 3739 | |
| 3740 case TOK.TOKgoto: | |
| 3741 { Identifier ident; | |
| 3742 | |
| 3743 nextToken(); | |
| 3744 if (token.value == TOK.TOKdefault) | |
| 3745 { | |
| 3746 nextToken(); | |
| 3747 s = new GotoDefaultStatement(loc); | |
| 3748 } | |
| 3749 else if (token.value == TOK.TOKcase) | |
| 3750 { | |
| 3751 Expression exp = null; | |
| 3752 | |
| 3753 nextToken(); | |
| 3754 if (token.value != TOK.TOKsemicolon) | |
| 3755 exp = parseExpression(); | |
| 3756 s = new GotoCaseStatement(loc, exp); | |
| 3757 } | |
| 3758 else | |
| 3759 { | |
| 3760 if (token.value != TOK.TOKidentifier) | |
| 3761 { error("Identifier expected following goto"); | |
| 3762 ident = null; | |
| 3763 } | |
| 3764 else | |
| 3765 { ident = token.ident; | |
| 3766 nextToken(); | |
| 3767 } | |
| 3768 s = new GotoStatement(loc, ident); | |
| 3769 } | |
| 3770 check(TOK.TOKsemicolon, "goto statement"); | |
| 3771 break; | |
| 3772 } | |
| 3773 | |
| 3774 case TOK.TOKsynchronized: | |
| 3775 { Expression exp; | |
| 3776 Statement body_; | |
| 3777 | |
| 3778 nextToken(); | |
| 3779 if (token.value == TOK.TOKlparen) | |
| 3780 { | |
| 3781 nextToken(); | |
| 3782 exp = parseExpression(); | |
| 3783 check(TOK.TOKrparen); | |
| 3784 } | |
| 3785 else | |
| 3786 exp = null; | |
| 3787 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3788 s = new SynchronizedStatement(loc, exp, body_); | |
| 3789 break; | |
| 3790 } | |
| 3791 | |
| 3792 case TOK.TOKwith: | |
| 3793 { Expression exp; | |
| 3794 Statement body_; | |
| 3795 | |
| 3796 nextToken(); | |
| 3797 check(TOK.TOKlparen); | |
| 3798 exp = parseExpression(); | |
| 3799 check(TOK.TOKrparen); | |
| 3800 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3801 s = new WithStatement(loc, exp, body_); | |
| 3802 break; | |
| 3803 } | |
| 3804 | |
| 3805 case TOK.TOKtry: | |
| 3806 { Statement body_; | |
| 3807 Array catches = null; | |
| 3808 Statement finalbody = null; | |
| 3809 | |
| 3810 nextToken(); | |
| 3811 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3812 while (token.value == TOK.TOKcatch) | |
| 3813 { | |
| 3814 Statement handler; | |
| 3815 Catch c; | |
| 3816 Type tt; | |
| 3817 Identifier id; | |
| 3818 Loc loc2 = this.loc; | |
| 3819 | |
| 3820 nextToken(); | |
| 3821 if (token.value == TOK.TOKlcurly) | |
| 3822 { | |
| 3823 tt = null; | |
| 3824 id = null; | |
| 3825 } | |
| 3826 else | |
| 3827 { | |
| 3828 check(TOK.TOKlparen); | |
| 3829 id = null; | |
| 3830 tt = parseType(&id); | |
| 3831 check(TOK.TOKrparen); | |
| 3832 } | |
| 3833 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3834 c = new Catch(loc2, tt, id, handler); | |
| 3835 if (!catches) | |
| 3836 catches = new Array(); | |
| 3837 catches.push(cast(void*)c); | |
| 3838 } | |
| 3839 | |
| 3840 if (token.value == TOK.TOKfinally) | |
| 3841 { nextToken(); | |
| 3842 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3843 } | |
| 3844 | |
| 3845 s = body_; | |
| 3846 if (!catches && !finalbody) | |
| 3847 error("catch or finally expected following try"); | |
| 3848 else | |
| 3849 { if (catches) | |
| 3850 s = new TryCatchStatement(loc, body_, catches); | |
| 3851 if (finalbody) | |
| 3852 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3853 } | |
| 3854 break; | |
| 3855 } | |
| 3856 | |
| 3857 case TOK.TOKthrow: | |
| 3858 { Expression exp; | |
| 3859 | |
| 3860 nextToken(); | |
| 3861 exp = parseExpression(); | |
| 3862 check(TOK.TOKsemicolon, "throw statement"); | |
| 3863 s = new ThrowStatement(loc, exp); | |
| 3864 break; | |
| 3865 } | |
| 3866 | |
| 3867 case TOK.TOKvolatile: | |
| 3868 nextToken(); | |
| 3869 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3870 version (DMDV2) { | |
| 3871 if (!global.params.useDeprecated) | |
| 3872 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3873 } | |
| 3874 s = new VolatileStatement(loc, s); | |
| 3875 break; | |
| 3876 | |
| 3877 case TOK.TOKasm: | |
| 3878 { Statements statements; | |
| 3879 Identifier label; | |
| 3880 Loc labelloc; | |
| 3881 Token* toklist; | |
| 3882 Token** ptoklist; | |
| 3883 | |
| 3884 // Parse the asm block into a sequence of AsmStatements, | |
| 3885 // each AsmStatement is one instruction. | |
| 3886 // Separate out labels. | |
| 3887 // Defer parsing of AsmStatements until semantic processing. | |
| 3888 | |
| 3889 nextToken(); | |
| 3890 check(TOK.TOKlcurly); | |
| 3891 toklist = null; | |
| 3892 ptoklist = &toklist; | |
| 3893 label = null; | |
| 3894 statements = new Statements(); | |
| 3895 while (1) | |
| 3896 { | |
| 3897 switch (token.value) | |
| 3898 { | |
| 3899 case TOK.TOKidentifier: | |
| 3900 if (!toklist) | |
| 3901 { | |
| 3902 // Look ahead to see if it is a label | |
| 3903 t = peek(&token); | |
| 3904 if (t.value == TOK.TOKcolon) | |
| 3905 { // It's a label | |
| 3906 label = token.ident; | |
| 3907 labelloc = this.loc; | |
| 3908 nextToken(); | |
| 3909 nextToken(); | |
| 3910 continue; | |
| 3911 } | |
| 3912 } | |
| 3913 goto Ldefault; | |
| 3914 | |
| 3915 case TOK.TOKrcurly: | |
| 3916 if (toklist || label) | |
| 3917 { | |
| 3918 error("asm statements must end in ';'"); | |
| 3919 } | |
| 3920 break; | |
| 3921 | |
| 3922 case TOK.TOKsemicolon: | |
| 3923 s = null; | |
| 3924 if (toklist || label) | |
| 3925 { // Create AsmStatement from list of tokens we've saved | |
| 3926 s = new AsmStatement(this.loc, toklist); | |
| 3927 toklist = null; | |
| 3928 ptoklist = &toklist; | |
| 3929 if (label) | |
| 3930 { | |
| 3931 s = new LabelStatement(labelloc, label, s); | |
| 3932 label = null; | |
| 3933 } | |
| 3934 statements.push(cast(void*)s); | |
| 3935 } | |
| 3936 nextToken(); | |
| 3937 continue; | |
| 3938 | |
| 3939 case TOK.TOKeof: | |
| 3940 /* { */ | |
| 3941 error("matching '}' expected, not end of file"); | |
| 3942 break; | |
| 3943 | |
| 3944 default: | |
| 3945 Ldefault: | |
| 3946 *ptoklist = new Token(); | |
| 3947 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3948 ptoklist = &(*ptoklist).next; | |
| 3949 *ptoklist = null; | |
| 3950 | |
| 3951 nextToken(); | |
| 3952 continue; | |
| 3953 } | |
| 3954 break; | |
| 3955 } | |
| 3956 s = new CompoundStatement(loc, statements); | |
| 3957 nextToken(); | |
| 3958 break; | |
| 3959 } | |
| 3960 | |
| 3961 default: | |
| 3962 error("found '%s' instead of statement", token.toChars()); | |
| 3963 goto Lerror; | |
| 3964 | |
| 3965 Lerror: | |
| 3966 while (token.value != TOK.TOKrcurly && | |
| 3967 token.value != TOK.TOKsemicolon && | |
| 3968 token.value != TOK.TOKeof) | |
| 3969 nextToken(); | |
| 3970 if (token.value == TOK.TOKsemicolon) | |
| 3971 nextToken(); | |
| 3972 s = null; | |
| 3973 break; | |
| 3974 } | |
| 3975 | |
| 3976 return s; | |
| 3977 } | |
| 3978 | |
| 3979 /***************************************** | |
| 3980 * Parse initializer for variable declaration. | |
| 3981 */ | |
| 3982 Initializer parseInitializer() | |
| 3983 { | |
| 3984 StructInitializer is_; | |
| 3985 ArrayInitializer ia; | |
| 3986 ExpInitializer ie; | |
| 3987 Expression e; | |
| 3988 Identifier id; | |
| 3989 Initializer value; | |
| 3990 int comma; | |
| 3991 Loc loc = this.loc; | |
| 3992 Token* t; | |
| 3993 int braces; | |
| 3994 int brackets; | |
| 3995 | |
| 3996 switch (token.value) | |
| 3997 { | |
| 3998 case TOK.TOKlcurly: | |
| 3999 /* Scan ahead to see if it is a struct initializer or | |
| 4000 * a function literal. | |
| 4001 * If it contains a ';', it is a function literal. | |
| 4002 * Treat { } as a struct initializer. | |
| 4003 */ | |
| 4004 braces = 1; | |
| 4005 for (t = peek(&token); 1; t = peek(t)) | |
| 4006 { | |
| 4007 switch (t.value) | |
| 4008 { | |
| 4009 case TOK.TOKsemicolon: | |
| 4010 case TOK.TOKreturn: | |
| 4011 goto Lexpression; | |
| 4012 | |
| 4013 case TOK.TOKlcurly: | |
| 4014 braces++; | |
| 4015 continue; | |
| 4016 | |
| 4017 case TOK.TOKrcurly: | |
| 4018 if (--braces == 0) | |
| 4019 break; | |
| 4020 continue; | |
| 4021 | |
| 4022 case TOK.TOKeof: | |
| 4023 break; | |
| 4024 | |
| 4025 default: | |
| 4026 continue; | |
| 4027 } | |
| 4028 break; | |
| 4029 } | |
| 4030 | |
| 4031 is_ = new StructInitializer(loc); | |
| 4032 nextToken(); | |
| 4033 comma = 0; | |
| 4034 while (1) | |
| 4035 { | |
| 4036 switch (token.value) | |
| 4037 { | |
| 4038 case TOK.TOKidentifier: | |
| 4039 if (comma == 1) | |
| 4040 error("comma expected separating field initializers"); | |
| 4041 t = peek(&token); | |
| 4042 if (t.value == TOK.TOKcolon) | |
| 4043 { | |
| 4044 id = token.ident; | |
| 4045 nextToken(); | |
| 4046 nextToken(); // skip over ':' | |
| 4047 } | |
| 4048 else | |
| 4049 { | |
| 4050 id = null; | |
| 4051 } | |
| 4052 value = parseInitializer(); | |
| 4053 is_.addInit(id, value); | |
| 4054 comma = 1; | |
| 4055 continue; | |
| 4056 | |
| 4057 case TOK.TOKcomma: | |
| 4058 nextToken(); | |
| 4059 comma = 2; | |
| 4060 continue; | |
| 4061 | |
| 4062 case TOK.TOKrcurly: // allow trailing comma's | |
| 4063 nextToken(); | |
| 4064 break; | |
| 4065 | |
| 4066 case TOK.TOKeof: | |
| 4067 error("found EOF instead of initializer"); | |
| 4068 break; | |
| 4069 | |
| 4070 default: | |
| 4071 value = parseInitializer(); | |
| 4072 is_.addInit(null, value); | |
| 4073 comma = 1; | |
| 4074 continue; | |
| 4075 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4076 //break; | |
| 4077 } | |
| 4078 break; | |
| 4079 } | |
| 4080 return is_; | |
| 4081 | |
| 4082 case TOK.TOKlbracket: | |
| 4083 /* Scan ahead to see if it is an array initializer or | |
| 4084 * an expression. | |
| 4085 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4086 */ | |
| 4087 brackets = 1; | |
| 4088 for (t = peek(&token); 1; t = peek(t)) | |
| 4089 { | |
| 4090 switch (t.value) | |
| 4091 { | |
| 4092 case TOK.TOKlbracket: | |
| 4093 brackets++; | |
| 4094 continue; | |
| 4095 | |
| 4096 case TOK.TOKrbracket: | |
| 4097 if (--brackets == 0) | |
| 4098 { | |
| 4099 t = peek(t); | |
| 4100 if (t.value != TOK.TOKsemicolon && | |
| 4101 t.value != TOK.TOKcomma && | |
| 4102 t.value != TOK.TOKrcurly) | |
| 4103 goto Lexpression; | |
| 4104 break; | |
| 4105 } | |
| 4106 continue; | |
| 4107 | |
| 4108 case TOK.TOKeof: | |
| 4109 break; | |
| 4110 | |
| 4111 default: | |
| 4112 continue; | |
| 4113 } | |
| 4114 break; | |
| 4115 } | |
| 4116 | |
| 4117 ia = new ArrayInitializer(loc); | |
| 4118 nextToken(); | |
| 4119 comma = 0; | |
| 4120 while (true) | |
| 4121 { | |
| 4122 switch (token.value) | |
| 4123 { | |
| 4124 default: | |
| 4125 if (comma == 1) | |
| 4126 { | |
| 4127 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4128 nextToken(); | |
| 4129 break; | |
| 4130 } | |
| 4131 e = parseAssignExp(); | |
| 4132 if (!e) | |
| 4133 break; | |
| 4134 if (token.value == TOK.TOKcolon) | |
| 4135 { | |
| 4136 nextToken(); | |
| 4137 value = parseInitializer(); | |
| 4138 } | |
| 4139 else | |
| 4140 { value = new ExpInitializer(e.loc, e); | |
| 4141 e = null; | |
| 4142 } | |
| 4143 ia.addInit(e, value); | |
| 4144 comma = 1; | |
| 4145 continue; | |
| 4146 | |
| 4147 case TOK.TOKlcurly: | |
| 4148 case TOK.TOKlbracket: | |
| 4149 if (comma == 1) | |
| 4150 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4151 value = parseInitializer(); | |
| 4152 ia.addInit(null, value); | |
| 4153 comma = 1; | |
| 4154 continue; | |
| 4155 | |
| 4156 case TOK.TOKcomma: | |
| 4157 nextToken(); | |
| 4158 comma = 2; | |
| 4159 continue; | |
| 4160 | |
| 4161 case TOK.TOKrbracket: // allow trailing comma's | |
| 4162 nextToken(); | |
| 4163 break; | |
| 4164 | |
| 4165 case TOK.TOKeof: | |
| 4166 error("found '%s' instead of array initializer", token.toChars()); | |
| 4167 break; | |
| 4168 } | |
| 4169 break; | |
| 4170 } | |
| 4171 return ia; | |
| 4172 | |
| 4173 case TOK.TOKvoid: | |
| 4174 t = peek(&token); | |
| 4175 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4176 { | |
| 4177 nextToken(); | |
| 4178 return new VoidInitializer(loc); | |
| 4179 } | |
| 4180 goto Lexpression; | |
| 4181 | |
| 4182 default: | |
| 4183 Lexpression: | |
| 4184 e = parseAssignExp(); | |
| 4185 ie = new ExpInitializer(loc, e); | |
| 4186 return ie; | |
| 4187 } | |
| 4188 } | |
| 4189 | |
| 4190 /***************************************** | |
| 4191 * Parses default argument initializer expression that is an assign expression, | |
| 4192 * with special handling for __FILE__ and __LINE__. | |
| 4193 */ | |
| 4194 version (DMDV2) { | |
| 4195 Expression parseDefaultInitExp() | |
| 4196 { | |
| 4197 if (token.value == TOK.TOKfile || | |
| 4198 token.value == TOK.TOKline) | |
| 4199 { | |
| 4200 Token* t = peek(&token); | |
| 4201 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4202 { | |
| 4203 Expression e; | |
| 4204 | |
| 4205 if (token.value == TOK.TOKfile) | |
| 4206 e = new FileInitExp(loc); | |
| 4207 else | |
| 4208 e = new LineInitExp(loc); | |
| 4209 nextToken(); | |
| 4210 return e; | |
| 4211 } | |
| 4212 } | |
| 4213 | |
| 4214 Expression e = parseAssignExp(); | |
| 4215 return e; | |
| 4216 } | |
| 4217 } | |
| 4218 void check(Loc loc, TOK value) | |
| 4219 { | |
| 4220 if (token.value != value) | |
| 4221 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4222 nextToken(); | |
| 4223 } | |
| 4224 | |
| 4225 void check(TOK value) | |
| 4226 { | |
| 4227 check(loc, value); | |
| 4228 } | |
| 4229 | |
| 4230 void check(TOK value, string string_) | |
| 4231 { | |
| 4232 if (token.value != value) { | |
| 4233 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4234 } | |
| 4235 nextToken(); | |
| 4236 } | |
| 4237 | |
| 4238 /************************************ | |
| 4239 * Determine if the scanner is sitting on the start of a declaration. | |
| 4240 * Input: | |
| 4241 * needId 0 no identifier | |
| 4242 * 1 identifier optional | |
| 4243 * 2 must have identifier | |
| 4244 * Output: | |
| 4245 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4246 */ | |
| 4247 | |
| 4248 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4249 { | |
| 4250 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4251 int haveId = 0; | |
| 4252 | |
| 4253 version (DMDV2) { | |
| 4254 if ((t.value == TOK.TOKconst || | |
| 4255 t.value == TOK.TOKinvariant || | |
| 4256 t.value == TOK.TOKimmutable || | |
| 4257 t.value == TOK.TOKshared) && | |
| 4258 peek(t).value != TOK.TOKlparen) | |
| 4259 { | |
| 4260 /* const type | |
| 4261 * immutable type | |
| 4262 * shared type | |
| 4263 */ | |
| 4264 t = peek(t); | |
| 4265 } | |
| 4266 } | |
| 4267 | |
| 4268 if (!isBasicType(&t)) | |
| 4269 { | |
| 4270 goto Lisnot; | |
| 4271 } | |
| 4272 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4273 goto Lisnot; | |
| 4274 if ( needId == 1 || | |
| 4275 (needId == 0 && !haveId) || | |
| 4276 (needId == 2 && haveId)) | |
| 4277 { | |
| 4278 if (pt) | |
| 4279 *pt = t; | |
| 4280 goto Lis; | |
| 4281 } | |
| 4282 else | |
| 4283 goto Lisnot; | |
| 4284 | |
| 4285 Lis: | |
| 4286 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4287 return true; | |
| 4288 | |
| 4289 Lisnot: | |
| 4290 //printf("\tis not declaration\n"); | |
| 4291 return false; | |
| 4292 } | |
| 4293 | |
| 4294 bool isBasicType(Token** pt) | |
| 4295 { | |
| 4296 // This code parallels parseBasicType() | |
| 4297 Token* t = *pt; | |
| 4298 Token* t2; | |
| 4299 int parens; | |
| 4300 int haveId = 0; | |
| 4301 | |
| 4302 switch (t.value) | |
| 4303 { | |
| 4304 case TOKwchar: | |
| 4305 case TOKdchar: | |
| 4306 case TOKbit: | |
| 4307 case TOKbool: | |
| 4308 case TOKchar: | |
| 4309 case TOKint8: | |
| 4310 case TOKuns8: | |
| 4311 case TOKint16: | |
| 4312 case TOKuns16: | |
| 4313 case TOKint32: | |
| 4314 case TOKuns32: | |
| 4315 case TOKint64: | |
| 4316 case TOKuns64: | |
| 4317 case TOKfloat32: | |
| 4318 case TOKfloat64: | |
| 4319 case TOKfloat80: | |
| 4320 case TOKimaginary32: | |
| 4321 case TOKimaginary64: | |
| 4322 case TOKimaginary80: | |
| 4323 case TOKcomplex32: | |
| 4324 case TOKcomplex64: | |
| 4325 case TOKcomplex80: | |
| 4326 case TOKvoid: | |
| 4327 t = peek(t); | |
| 4328 break; | |
| 4329 | |
| 4330 case TOK.TOKidentifier: | |
| 4331 L5: | |
| 4332 t = peek(t); | |
| 4333 if (t.value == TOK.TOKnot) | |
| 4334 { | |
| 4335 goto L4; | |
| 4336 } | |
| 4337 goto L3; | |
| 4338 while (1) | |
| 4339 { | |
| 4340 L2: | |
| 4341 t = peek(t); | |
| 4342 L3: | |
| 4343 if (t.value == TOK.TOKdot) | |
| 4344 { | |
| 4345 Ldot: | |
| 4346 t = peek(t); | |
| 4347 if (t.value != TOK.TOKidentifier) | |
| 4348 goto Lfalse; | |
| 4349 t = peek(t); | |
| 4350 if (t.value != TOK.TOKnot) | |
| 4351 goto L3; | |
| 4352 L4: | |
| 4353 /* Seen a ! | |
| 4354 * Look for: | |
| 4355 * !( args ), !identifier, etc. | |
| 4356 */ | |
| 4357 t = peek(t); | |
| 4358 switch (t.value) | |
| 4359 { case TOK.TOKidentifier: | |
| 4360 goto L5; | |
| 4361 case TOK.TOKlparen: | |
| 4362 if (!skipParens(t, &t)) | |
| 4363 goto Lfalse; | |
| 4364 break; | |
| 4365 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4366 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4367 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4368 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4369 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4370 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4371 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4372 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4373 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4374 case TOK.TOKvoid: | |
| 4375 case TOK.TOKint32v: | |
| 4376 case TOK.TOKuns32v: | |
| 4377 case TOK.TOKint64v: | |
| 4378 case TOK.TOKuns64v: | |
| 4379 case TOK.TOKfloat32v: | |
| 4380 case TOK.TOKfloat64v: | |
| 4381 case TOK.TOKfloat80v: | |
| 4382 case TOK.TOKimaginary32v: | |
| 4383 case TOK.TOKimaginary64v: | |
| 4384 case TOK.TOKimaginary80v: | |
| 4385 case TOK.TOKnull: | |
| 4386 case TOK.TOKtrue: | |
| 4387 case TOK.TOKfalse: | |
| 4388 case TOK.TOKcharv: | |
| 4389 case TOK.TOKwcharv: | |
| 4390 case TOK.TOKdcharv: | |
| 4391 case TOK.TOKstring: | |
| 4392 case TOK.TOKfile: | |
| 4393 case TOK.TOKline: | |
| 4394 goto L2; | |
| 4395 default: | |
| 4396 goto Lfalse; | |
| 4397 } | |
| 4398 } | |
| 4399 else | |
| 4400 break; | |
| 4401 } | |
| 4402 break; | |
| 4403 | |
| 4404 case TOK.TOKdot: | |
| 4405 goto Ldot; | |
| 4406 | |
| 4407 case TOK.TOKtypeof: | |
| 4408 /* typeof(exp).identifier... | |
| 4409 */ | |
| 4410 t = peek(t); | |
| 4411 if (t.value != TOK.TOKlparen) | |
| 4412 goto Lfalse; | |
| 4413 if (!skipParens(t, &t)) | |
| 4414 goto Lfalse; | |
| 4415 goto L2; | |
| 4416 | |
| 4417 case TOK.TOKconst: | |
| 4418 case TOK.TOKinvariant: | |
| 4419 case TOK.TOKimmutable: | |
| 4420 case TOK.TOKshared: | |
| 4421 // const(type) or immutable(type) or shared(type) | |
| 4422 t = peek(t); | |
| 4423 if (t.value != TOK.TOKlparen) | |
| 4424 goto Lfalse; | |
| 4425 t = peek(t); | |
| 4426 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4427 { | |
| 4428 goto Lfalse; | |
| 4429 } | |
| 4430 t = peek(t); | |
| 4431 break; | |
| 4432 | |
| 4433 default: | |
| 4434 goto Lfalse; | |
| 4435 } | |
| 4436 *pt = t; | |
| 4437 //printf("is\n"); | |
| 4438 return true; | |
| 4439 | |
| 4440 Lfalse: | |
| 4441 //printf("is not\n"); | |
| 4442 return false; | |
| 4443 } | |
| 4444 | |
| 4445 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4446 { | |
| 4447 // This code parallels parseDeclarator() | |
| 4448 Token* t = *pt; | |
| 4449 bool parens; | |
| 4450 | |
| 4451 //printf("Parser.isDeclarator()\n"); | |
| 4452 //t.print(); | |
| 4453 if (t.value == TOK.TOKassign) | |
| 4454 return false; | |
| 4455 | |
| 4456 while (true) | |
| 4457 { | |
| 4458 parens = false; | |
| 4459 switch (t.value) | |
| 4460 { | |
| 4461 case TOK.TOKmul: | |
| 4462 //case TOKand: | |
| 4463 t = peek(t); | |
| 4464 continue; | |
| 4465 | |
| 4466 case TOK.TOKlbracket: | |
| 4467 t = peek(t); | |
| 4468 if (t.value == TOK.TOKrbracket) | |
| 4469 { | |
| 4470 t = peek(t); | |
| 4471 } | |
| 4472 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) | |
| 4473 { | |
| 4474 // It's an associative array declaration | |
| 4475 t = peek(t); | |
| 4476 } | |
| 4477 else | |
| 4478 { | |
| 4479 // [ expression ] | |
| 4480 // [ expression .. expression ] | |
| 4481 if (!isExpression(&t)) | |
| 4482 return false; | |
| 4483 if (t.value == TOK.TOKslice) | |
| 4484 { | |
| 4485 t = peek(t); | |
| 4486 if (!isExpression(&t)) | |
| 4487 return false; | |
| 4488 } | |
| 4489 if (t.value != TOK.TOKrbracket) | |
| 4490 return false; | |
| 4491 t = peek(t); | |
| 4492 } | |
| 4493 continue; | |
| 4494 | |
| 4495 case TOK.TOKidentifier: | |
| 4496 if (*haveId) | |
| 4497 return false; | |
| 4498 *haveId = true; | |
| 4499 t = peek(t); | |
| 4500 break; | |
| 4501 | |
| 4502 case TOK.TOKlparen: | |
| 4503 t = peek(t); | |
| 4504 | |
| 4505 if (t.value == TOK.TOKrparen) | |
| 4506 return false; // () is not a declarator | |
| 4507 | |
| 4508 /* Regard ( identifier ) as not a declarator | |
| 4509 * BUG: what about ( *identifier ) in | |
| 4510 * f(*p)(x); | |
| 4511 * where f is a class instance with overloaded () ? | |
| 4512 * Should we just disallow C-style function pointer declarations? | |
| 4513 */ | |
| 4514 if (t.value == TOK.TOKidentifier) | |
| 4515 { | |
| 4516 Token *t2 = peek(t); | |
| 4517 if (t2.value == TOK.TOKrparen) | |
| 4518 return false; | |
| 4519 } | |
| 4520 | |
| 4521 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4522 return false; | |
| 4523 t = peek(t); | |
| 4524 parens = true; | |
| 4525 break; | |
| 4526 | |
| 4527 case TOK.TOKdelegate: | |
| 4528 case TOK.TOKfunction: | |
| 4529 t = peek(t); | |
| 4530 if (!isParameters(&t)) | |
| 4531 return false; | |
| 4532 continue; | |
| 4533 default: | |
| 4534 break; /// | |
| 4535 } | |
| 4536 break; | |
| 4537 } | |
| 4538 | |
| 4539 while (1) | |
| 4540 { | |
| 4541 switch (t.value) | |
| 4542 { | |
| 4543 version (CARRAYDECL) { | |
| 4544 case TOK.TOKlbracket: | |
| 4545 parens = false; | |
| 4546 t = peek(t); | |
| 4547 if (t.value == TOK.TOKrbracket) | |
| 4548 { | |
| 4549 t = peek(t); | |
| 4550 } | |
| 4551 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4552 { | |
| 4553 // It's an associative array declaration | |
| 4554 t = peek(t); | |
| 4555 } | |
| 4556 else | |
| 4557 { | |
| 4558 // [ expression ] | |
| 4559 if (!isExpression(&t)) | |
| 4560 return false; | |
| 4561 if (t.value != TOK.TOKrbracket) | |
| 4562 return false; | |
| 4563 t = peek(t); | |
| 4564 } | |
| 4565 continue; | |
| 4566 } | |
| 4567 | |
| 4568 case TOK.TOKlparen: | |
| 4569 parens = false; | |
| 4570 if (!isParameters(&t)) | |
| 4571 return false; | |
| 4572 version (DMDV2) { | |
| 4573 while (true) | |
| 4574 { | |
| 4575 switch (t.value) | |
| 4576 { | |
| 4577 case TOK.TOKconst: | |
| 4578 case TOK.TOKinvariant: | |
| 4579 case TOK.TOKimmutable: | |
| 4580 case TOK.TOKshared: | |
| 4581 case TOK.TOKpure: | |
| 4582 case TOK.TOKnothrow: | |
| 4583 t = peek(t); | |
| 4584 continue; | |
| 4585 case TOK.TOKat: | |
| 4586 t = peek(t); // skip '@' | |
| 4587 t = peek(t); // skip identifier | |
| 4588 continue; | |
| 4589 default: | |
| 4590 break; | |
| 4591 } | |
| 4592 break; | |
| 4593 } | |
| 4594 } | |
| 4595 continue; | |
| 4596 | |
| 4597 // Valid tokens that follow a declaration | |
| 4598 case TOK.TOKrparen: | |
| 4599 case TOK.TOKrbracket: | |
| 4600 case TOK.TOKassign: | |
| 4601 case TOK.TOKcomma: | |
| 4602 case TOK.TOKsemicolon: | |
| 4603 case TOK.TOKlcurly: | |
| 4604 case TOK.TOKin: | |
| 4605 // The !parens is to disallow unnecessary parentheses | |
| 4606 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4607 { | |
| 4608 *pt = t; | |
| 4609 return true; | |
| 4610 } | |
| 4611 return false; | |
| 4612 | |
| 4613 default: | |
| 4614 return false; | |
| 4615 } | |
| 4616 } | |
| 4617 } | |
| 4618 | |
| 4619 bool isParameters(Token** pt) | |
| 4620 { | |
| 4621 // This code parallels parseParameters() | |
| 4622 Token* t = *pt; | |
| 4623 | |
| 4624 //printf("isParameters()\n"); | |
| 4625 if (t.value != TOKlparen) | |
| 4626 return false; | |
| 4627 | |
| 4628 t = peek(t); | |
| 4629 for (;1; t = peek(t)) | |
| 4630 { | |
| 4631 L1: | |
| 4632 switch (t.value) | |
| 4633 { | |
| 4634 case TOKrparen: | |
| 4635 break; | |
| 4636 | |
| 4637 case TOKdotdotdot: | |
| 4638 t = peek(t); | |
| 4639 break; | |
| 4640 | |
| 4641 case TOKin: | |
| 4642 case TOKout: | |
| 4643 case TOKinout: | |
| 4644 case TOKref: | |
| 4645 case TOKlazy: | |
| 4646 case TOKfinal: | |
| 4647 continue; | |
| 4648 | |
| 4649 case TOKconst: | |
| 4650 case TOKinvariant: | |
| 4651 case TOKimmutable: | |
| 4652 case TOKshared: | |
| 4653 t = peek(t); | |
| 4654 if (t.value == TOKlparen) | |
| 4655 { | |
| 4656 t = peek(t); | |
| 4657 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4658 return false; | |
| 4659 t = peek(t); // skip past closing ')' | |
| 4660 goto L2; | |
| 4661 } | |
| 4662 goto L1; | |
| 4663 | |
| 4664 static if (false) { | |
| 4665 case TOKstatic: | |
| 4666 continue; | |
| 4667 case TOKauto: | |
| 4668 case TOKalias: | |
| 4669 t = peek(t); | |
| 4670 if (t.value == TOKidentifier) | |
| 4671 t = peek(t); | |
| 4672 if (t.value == TOKassign) | |
| 4673 { t = peek(t); | |
| 4674 if (!isExpression(&t)) | |
| 4675 return false; | |
| 4676 } | |
| 4677 goto L3; | |
| 4678 } | |
| 4679 | |
| 4680 default: | |
| 4681 { | |
| 4682 if (!isBasicType(&t)) | |
| 4683 return false; | |
| 4684 L2: | |
| 4685 int tmp = false; | |
| 4686 if (t.value != TOKdotdotdot && | |
| 4687 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4688 return false; | |
| 4689 if (t.value == TOKassign) | |
| 4690 { | |
| 4691 t = peek(t); | |
| 4692 if (!isExpression(&t)) | |
| 4693 return false; | |
| 4694 } | |
| 4695 if (t.value == TOKdotdotdot) | |
| 4696 { | |
| 4697 t = peek(t); | |
| 4698 break; | |
| 4699 } | |
| 4700 } | |
| 4701 L3: | |
| 4702 if (t.value == TOKcomma) | |
| 4703 { | |
| 4704 continue; | |
| 4705 } | |
| 4706 break; | |
| 4707 } | |
| 4708 break; | |
| 4709 } | |
| 4710 | |
| 4711 if (t.value != TOKrparen) | |
| 4712 return false; | |
| 4713 | |
| 4714 t = peek(t); | |
| 4715 *pt = t; | |
| 4716 return true; | |
| 4717 } | |
| 4718 | |
| 4719 bool isExpression(Token** pt) | |
| 4720 { | |
| 4721 // This is supposed to determine if something is an expression. | |
| 4722 // What it actually does is scan until a closing right bracket | |
| 4723 // is found. | |
| 4724 | |
| 4725 Token* t = *pt; | |
| 4726 int brnest = 0; | |
| 4727 int panest = 0; | |
| 4728 int curlynest = 0; | |
| 4729 | |
| 4730 for (;; t = peek(t)) | |
| 4731 { | |
| 4732 switch (t.value) | |
| 4733 { | |
| 4734 case TOKlbracket: | |
| 4735 brnest++; | |
| 4736 continue; | |
| 4737 | |
| 4738 case TOKrbracket: | |
| 4739 if (--brnest >= 0) | |
| 4740 continue; | |
| 4741 break; | |
| 4742 | |
| 4743 case TOKlparen: | |
| 4744 panest++; | |
| 4745 continue; | |
| 4746 | |
| 4747 case TOKcomma: | |
| 4748 if (brnest || panest) | |
| 4749 continue; | |
| 4750 break; | |
| 4751 | |
| 4752 case TOKrparen: | |
| 4753 if (--panest >= 0) | |
| 4754 continue; | |
| 4755 break; | |
| 4756 | |
| 4757 case TOKlcurly: | |
| 4758 curlynest++; | |
| 4759 continue; | |
| 4760 | |
| 4761 case TOKrcurly: | |
| 4762 if (--curlynest >= 0) | |
| 4763 continue; | |
| 4764 return false; | |
| 4765 | |
| 4766 case TOKslice: | |
| 4767 if (brnest) | |
| 4768 continue; | |
| 4769 break; | |
| 4770 | |
| 4771 case TOKsemicolon: | |
| 4772 if (curlynest) | |
| 4773 continue; | |
| 4774 return false; | |
| 4775 | |
| 4776 case TOKeof: | |
| 4777 return false; | |
| 4778 | |
| 4779 default: | |
| 4780 continue; | |
| 4781 } | |
| 4782 break; | |
| 4783 } | |
| 4784 | |
| 4785 *pt = t; | |
| 4786 return true; | |
| 4787 } | |
| 4788 | |
| 4789 int isTemplateInstance(Token t, Token* pt) | |
| 4790 { | |
| 4791 assert(false); | |
| 4792 } | |
| 4793 | |
| 4794 /******************************************* | |
| 4795 * Skip parens, brackets. | |
| 4796 * Input: | |
| 4797 * t is on opening ( | |
| 4798 * Output: | |
| 4799 * *pt is set to closing token, which is ')' on success | |
| 4800 * Returns: | |
| 4801 * !=0 successful | |
| 4802 * 0 some parsing error | |
| 4803 */ | |
| 4804 bool skipParens(Token* t, Token** pt) | |
| 4805 { | |
| 4806 int parens = 0; | |
| 4807 | |
| 4808 while (1) | |
| 4809 { | |
| 4810 switch (t.value) | |
| 4811 { | |
| 4812 case TOKlparen: | |
| 4813 parens++; | |
| 4814 break; | |
| 4815 | |
| 4816 case TOKrparen: | |
| 4817 parens--; | |
| 4818 if (parens < 0) | |
| 4819 goto Lfalse; | |
| 4820 if (parens == 0) | |
| 4821 goto Ldone; | |
| 4822 break; | |
| 4823 | |
| 4824 case TOKeof: | |
| 4825 case TOKsemicolon: | |
| 4826 goto Lfalse; | |
| 4827 | |
| 4828 default: | |
| 4829 break; | |
| 4830 } | |
| 4831 t = peek(t); | |
| 4832 } | |
| 4833 | |
| 4834 Ldone: | |
| 4835 if (*pt) | |
| 4836 *pt = t; | |
| 4837 return true; | |
| 4838 | |
| 4839 Lfalse: | |
| 4840 return false; | |
| 4841 } | |
| 4842 | |
| 4843 Expression parseExpression() | |
| 4844 { | |
| 4845 Expression e; | |
| 4846 Expression e2; | |
| 4847 Loc loc = this.loc; | |
| 4848 | |
| 4849 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4850 e = parseAssignExp(); | |
| 4851 while (token.value == TOK.TOKcomma) | |
| 4852 { | |
| 4853 nextToken(); | |
| 4854 e2 = parseAssignExp(); | |
| 4855 e = new CommaExp(loc, e, e2); | |
| 4856 loc = this.loc; | |
| 4857 } | |
| 4858 return e; | |
| 4859 } | |
| 4860 | |
| 4861 Expression parsePrimaryExp() | |
| 4862 { | |
| 4863 Expression e; | |
| 4864 Type t; | |
| 4865 Identifier id; | |
| 4866 TOK save; | |
| 4867 Loc loc = this.loc; | |
| 4868 | |
| 4869 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4870 switch (token.value) | |
| 4871 { | |
| 4872 case TOK.TOKidentifier: | |
| 4873 id = token.ident; | |
| 4874 nextToken(); | |
| 4875 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4876 { // identifier!(template-argument-list) | |
| 4877 TemplateInstance tempinst; | |
| 4878 | |
| 4879 tempinst = new TemplateInstance(loc, id); | |
| 4880 nextToken(); | |
| 4881 if (token.value == TOK.TOKlparen) | |
| 4882 // ident!(template_arguments) | |
| 4883 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4884 else | |
| 4885 // ident!template_argument | |
| 4886 tempinst.tiargs = parseTemplateArgument(); | |
| 4887 e = new ScopeExp(loc, tempinst); | |
| 4888 } | |
| 4889 else | |
| 4890 e = new IdentifierExp(loc, id); | |
| 4891 break; | |
| 4892 | |
| 4893 case TOK.TOKdollar: | |
| 4894 if (!inBrackets) | |
| 4895 error("'$' is valid only inside [] of index or slice"); | |
| 4896 e = new DollarExp(loc); | |
| 4897 nextToken(); | |
| 4898 break; | |
| 4899 | |
| 4900 case TOK.TOKdot: | |
| 4901 // Signal global scope '.' operator with "" identifier | |
| 4902 e = new IdentifierExp(loc, Id.empty); | |
| 4903 break; | |
| 4904 | |
| 4905 case TOK.TOKthis: | |
| 4906 e = new ThisExp(loc); | |
| 4907 nextToken(); | |
| 4908 break; | |
| 4909 | |
| 4910 case TOK.TOKsuper: | |
| 4911 e = new SuperExp(loc); | |
| 4912 nextToken(); | |
| 4913 break; | |
| 4914 | |
| 4915 case TOK.TOKint32v: | |
| 4916 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4917 nextToken(); | |
| 4918 break; | |
| 4919 | |
| 4920 case TOK.TOKuns32v: | |
| 4921 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4922 nextToken(); | |
| 4923 break; | |
| 4924 | |
| 4925 case TOK.TOKint64v: | |
| 4926 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4927 nextToken(); | |
| 4928 break; | |
| 4929 | |
| 4930 case TOK.TOKuns64v: | |
| 4931 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4932 nextToken(); | |
| 4933 break; | |
| 4934 | |
| 4935 case TOK.TOKfloat32v: | |
| 4936 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4937 nextToken(); | |
| 4938 break; | |
| 4939 | |
| 4940 case TOK.TOKfloat64v: | |
| 4941 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4942 nextToken(); | |
| 4943 break; | |
| 4944 | |
| 4945 case TOK.TOKfloat80v: | |
| 4946 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4947 nextToken(); | |
| 4948 break; | |
| 4949 | |
| 4950 case TOK.TOKimaginary32v: | |
| 4951 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 4952 nextToken(); | |
| 4953 break; | |
| 4954 | |
| 4955 case TOK.TOKimaginary64v: | |
| 4956 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 4957 nextToken(); | |
| 4958 break; | |
| 4959 | |
| 4960 case TOK.TOKimaginary80v: | |
| 4961 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 4962 nextToken(); | |
| 4963 break; | |
| 4964 | |
| 4965 case TOK.TOKnull: | |
| 4966 e = new NullExp(loc); | |
| 4967 nextToken(); | |
| 4968 break; | |
| 4969 | |
| 4970 version (DMDV2) { | |
| 4971 case TOK.TOKfile: | |
| 4972 { | |
| 4973 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 4974 e = new StringExp(loc, s, 0); | |
| 4975 nextToken(); | |
| 4976 break; | |
| 4977 } | |
| 4978 | |
| 4979 case TOK.TOKline: | |
| 4980 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 4981 nextToken(); | |
| 4982 break; | |
| 4983 } | |
| 4984 | |
| 4985 case TOK.TOKtrue: | |
| 4986 e = new IntegerExp(loc, 1, Type.tbool); | |
| 4987 nextToken(); | |
| 4988 break; | |
| 4989 | |
| 4990 case TOK.TOKfalse: | |
| 4991 e = new IntegerExp(loc, 0, Type.tbool); | |
| 4992 nextToken(); | |
| 4993 break; | |
| 4994 | |
| 4995 case TOK.TOKcharv: | |
| 4996 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 4997 nextToken(); | |
| 4998 break; | |
| 4999 | |
| 5000 case TOK.TOKwcharv: | |
| 5001 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5002 nextToken(); | |
| 5003 break; | |
| 5004 | |
| 5005 case TOK.TOKdcharv: | |
| 5006 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5007 nextToken(); | |
| 5008 break; | |
| 5009 | |
| 5010 case TOK.TOKstring: | |
| 5011 { | |
| 5012 const(char)* s; | |
| 5013 uint len; | |
| 5014 ubyte postfix; | |
| 5015 | |
| 5016 // cat adjacent strings | |
| 5017 s = token.ustring; | |
| 5018 len = token.len; | |
| 5019 postfix = token.postfix; | |
| 5020 while (1) | |
| 5021 { | |
| 5022 nextToken(); | |
| 5023 if (token.value == TOK.TOKstring) | |
| 5024 { uint len1; | |
| 5025 uint len2; | |
| 5026 char* s2; | |
| 5027 | |
| 5028 if (token.postfix) | |
| 5029 { if (token.postfix != postfix) | |
| 5030 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5031 postfix = token.postfix; | |
| 5032 } | |
| 5033 | |
| 5034 len1 = len; | |
| 5035 len2 = token.len; | |
| 5036 len = len1 + len2; | |
| 2 | 5037 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5038 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5039 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5040 s = s2; | |
| 5041 } | |
| 5042 else | |
| 5043 break; | |
| 5044 } | |
| 5045 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5046 break; | |
| 5047 } | |
| 5048 | |
| 5049 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5050 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5051 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5052 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5053 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5054 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5055 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5056 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5057 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5058 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5059 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5060 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5061 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5062 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5063 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5064 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5065 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5066 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5067 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5068 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5069 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5070 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5071 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5072 LabelX: | |
| 5073 nextToken(); | |
| 5074 L1: | |
| 5075 check(TOK.TOKdot, t.toChars()); | |
| 5076 if (token.value != TOK.TOKidentifier) | |
| 5077 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5078 goto Lerr; | |
| 5079 } | |
| 5080 e = typeDotIdExp(loc, t, token.ident); | |
| 5081 nextToken(); | |
| 5082 break; | |
| 5083 | |
| 5084 case TOK.TOKtypeof: | |
| 5085 { | |
| 5086 t = parseTypeof(); | |
| 5087 e = new TypeExp(loc, t); | |
| 5088 break; | |
| 5089 } | |
| 5090 | |
| 5091 case TOK.TOKtypeid: | |
| 5092 { Type tt; | |
| 5093 | |
| 5094 nextToken(); | |
| 5095 check(TOK.TOKlparen, "typeid"); | |
| 5096 tt = parseType(); // ( type ) | |
| 5097 check(TOK.TOKrparen); | |
| 5098 e = new TypeidExp(loc, tt); | |
| 5099 break; | |
| 5100 } | |
| 5101 | |
| 5102 version (DMDV2) { | |
| 5103 case TOK.TOKtraits: | |
| 5104 { /* __traits(identifier, args...) | |
| 5105 */ | |
| 5106 Identifier ident; | |
| 5107 Objects args = null; | |
| 5108 | |
| 5109 nextToken(); | |
| 5110 check(TOK.TOKlparen); | |
| 5111 if (token.value != TOK.TOKidentifier) | |
| 5112 { error("__traits(identifier, args...) expected"); | |
| 5113 goto Lerr; | |
| 5114 } | |
| 5115 ident = token.ident; | |
| 5116 nextToken(); | |
| 5117 if (token.value == TOK.TOKcomma) | |
| 5118 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5119 else | |
| 5120 check(TOK.TOKrparen); // __traits(identifier) | |
| 5121 | |
| 5122 e = new TraitsExp(loc, ident, args); | |
| 5123 break; | |
| 5124 } | |
| 5125 } | |
| 5126 | |
| 5127 case TOK.TOKis: | |
| 5128 { Type targ; | |
| 5129 Identifier ident = null; | |
| 5130 Type tspec = null; | |
| 5131 TOK tok = TOK.TOKreserved; | |
| 5132 TOK tok2 = TOK.TOKreserved; | |
| 5133 TemplateParameters tpl = null; | |
| 5134 Loc loc2 = this.loc; | |
| 5135 | |
| 5136 nextToken(); | |
| 5137 if (token.value == TOK.TOKlparen) | |
| 5138 { | |
| 5139 nextToken(); | |
| 5140 targ = parseType(&ident); | |
| 5141 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5142 { | |
| 5143 tok = token.value; | |
| 5144 nextToken(); | |
| 5145 if (tok == TOK.TOKequal && | |
| 5146 (token.value == TOK.TOKtypedef || | |
| 5147 token.value == TOK.TOKstruct || | |
| 5148 token.value == TOK.TOKunion || | |
| 5149 token.value == TOK.TOKclass || | |
| 5150 token.value == TOK.TOKsuper || | |
| 5151 token.value == TOK.TOKenum || | |
| 5152 token.value == TOK.TOKinterface || | |
| 5153 ///version (DMDV2) { | |
| 5154 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5155 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5156 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5157 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5158 ///} | |
| 5159 token.value == TOK.TOKfunction || | |
| 5160 token.value == TOK.TOKdelegate || | |
| 5161 token.value == TOK.TOKreturn)) | |
| 5162 { | |
| 5163 tok2 = token.value; | |
| 5164 nextToken(); | |
| 5165 } | |
| 5166 else | |
| 5167 { | |
| 5168 tspec = parseType(); | |
| 5169 } | |
| 5170 } | |
| 5171 if (ident && tspec) | |
| 5172 { | |
| 5173 if (token.value == TOK.TOKcomma) | |
| 5174 tpl = parseTemplateParameterList(1); | |
| 5175 else | |
| 5176 { tpl = new TemplateParameters(); | |
| 5177 check(TOK.TOKrparen); | |
| 5178 } | |
| 5179 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
| 5180 tpl.insert(0, cast(void*)tp); | |
| 5181 } | |
| 5182 else | |
| 5183 check(TOK.TOKrparen); | |
| 5184 } | |
| 5185 else | |
| 5186 { error("(type identifier : specialization) expected following is"); | |
| 5187 goto Lerr; | |
| 5188 } | |
| 5189 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5190 break; | |
| 5191 } | |
| 5192 | |
| 5193 case TOK.TOKassert: | |
| 5194 { | |
| 5195 Expression msg = null; | |
| 5196 | |
| 5197 nextToken(); | |
| 5198 check(TOK.TOKlparen, "assert"); | |
| 5199 e = parseAssignExp(); | |
| 5200 if (token.value == TOK.TOKcomma) | |
| 5201 { nextToken(); | |
| 5202 msg = parseAssignExp(); | |
| 5203 } | |
| 5204 check(TOK.TOKrparen); | |
| 5205 e = new AssertExp(loc, e, msg); | |
| 5206 break; | |
| 5207 } | |
| 5208 | |
| 5209 case TOK.TOKmixin: | |
| 5210 { | |
| 5211 nextToken(); | |
| 5212 check(TOK.TOKlparen, "mixin"); | |
| 5213 e = parseAssignExp(); | |
| 5214 check(TOK.TOKrparen); | |
| 5215 e = new CompileExp(loc, e); | |
| 5216 break; | |
| 5217 } | |
| 5218 | |
| 5219 case TOK.TOKimport: | |
| 5220 { | |
| 5221 nextToken(); | |
| 5222 check(TOK.TOKlparen, "import"); | |
| 5223 e = parseAssignExp(); | |
| 5224 check(TOK.TOKrparen); | |
| 5225 e = new FileExp(loc, e); | |
| 5226 break; | |
| 5227 } | |
| 5228 | |
| 5229 case TOK.TOKlparen: | |
| 5230 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5231 { // (arguments) { statements... } | |
| 5232 save = TOK.TOKdelegate; | |
| 5233 goto case_delegate; | |
| 5234 } | |
| 5235 // ( expression ) | |
| 5236 nextToken(); | |
| 5237 e = parseExpression(); | |
| 5238 check(loc, TOK.TOKrparen); | |
| 5239 break; | |
| 5240 | |
| 5241 case TOK.TOKlbracket: | |
| 5242 { /* Parse array literals and associative array literals: | |
| 5243 * [ value, value, value ... ] | |
| 5244 * [ key:value, key:value, key:value ... ] | |
| 5245 */ | |
| 5246 Expressions values = new Expressions(); | |
| 5247 Expressions keys = null; | |
| 5248 | |
| 5249 nextToken(); | |
| 5250 if (token.value != TOK.TOKrbracket) | |
| 5251 { | |
| 5252 while (token.value != TOK.TOKeof) | |
| 5253 { | |
| 5254 Expression e2 = parseAssignExp(); | |
| 5255 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5256 { | |
| 5257 nextToken(); | |
| 5258 if (!keys) | |
| 5259 keys = new Expressions(); | |
| 5260 keys.push(cast(void*)e2); | |
| 5261 e2 = parseAssignExp(); | |
| 5262 } | |
| 5263 else if (keys) | |
| 5264 { | |
| 5265 error("'key:value' expected for associative array literal"); | |
| 5266 delete keys; | |
| 5267 keys = null; | |
| 5268 } | |
| 5269 values.push(cast(void*)e2); | |
| 5270 if (token.value == TOK.TOKrbracket) | |
| 5271 break; | |
| 5272 check(TOK.TOKcomma); | |
| 5273 } | |
| 5274 } | |
| 5275 check(TOK.TOKrbracket); | |
| 5276 | |
| 5277 if (keys) | |
| 5278 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5279 else | |
| 5280 e = new ArrayLiteralExp(loc, values); | |
| 5281 break; | |
| 5282 } | |
| 5283 | |
| 5284 case TOK.TOKlcurly: | |
| 5285 // { statements... } | |
| 5286 save = TOK.TOKdelegate; | |
| 5287 goto case_delegate; | |
| 5288 | |
| 5289 case TOK.TOKfunction: | |
| 5290 case TOK.TOKdelegate: | |
| 5291 save = token.value; | |
| 5292 nextToken(); | |
| 5293 case_delegate: | |
| 5294 { | |
| 5295 /* function type(parameters) { body } pure nothrow | |
| 5296 * delegate type(parameters) { body } pure nothrow | |
| 5297 * (parameters) { body } | |
| 5298 * { body } | |
| 5299 */ | |
| 5300 Arguments arguments; | |
| 5301 int varargs; | |
| 5302 FuncLiteralDeclaration fd; | |
| 5303 Type tt; | |
| 5304 bool isnothrow = false; | |
| 5305 bool ispure = false; | |
| 5306 | |
| 5307 if (token.value == TOK.TOKlcurly) | |
| 5308 { | |
| 5309 tt = null; | |
| 5310 varargs = 0; | |
| 5311 arguments = new Arguments(); | |
| 5312 } | |
| 5313 else | |
| 5314 { | |
| 5315 if (token.value == TOK.TOKlparen) | |
| 5316 tt = null; | |
| 5317 else | |
| 5318 { | |
| 5319 tt = parseBasicType(); | |
| 5320 tt = parseBasicType2(tt); // function return type | |
| 5321 } | |
| 5322 arguments = parseParameters(&varargs); | |
| 5323 while (1) | |
| 5324 { | |
| 5325 if (token.value == TOK.TOKpure) | |
| 5326 ispure = true; | |
| 5327 else if (token.value == TOK.TOKnothrow) | |
| 5328 isnothrow = true; | |
| 5329 else | |
| 5330 break; | |
| 5331 nextToken(); | |
| 5332 } | |
| 5333 } | |
| 5334 | |
| 5335 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5336 tf.ispure = ispure; | |
| 5337 tf.isnothrow = isnothrow; | |
| 5338 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5339 parseContracts(fd); | |
| 5340 e = new FuncExp(loc, fd); | |
| 5341 break; | |
| 5342 } | |
| 5343 | |
| 5344 default: | |
| 5345 error("expression expected, not '%s'", token.toChars()); | |
| 5346 Lerr: | |
| 5347 // Anything for e, as long as it's not null | |
| 5348 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5349 nextToken(); | |
| 5350 break; | |
| 5351 } | |
| 5352 return e; | |
| 5353 } | |
| 5354 | |
| 5355 Expression parseUnaryExp() | |
| 5356 { | |
| 5357 Expression e; | |
| 5358 Loc loc = this.loc; | |
| 5359 | |
| 5360 switch (token.value) | |
| 5361 { | |
| 5362 case TOK.TOKand: | |
| 5363 nextToken(); | |
| 5364 e = parseUnaryExp(); | |
| 5365 e = new AddrExp(loc, e); | |
| 5366 break; | |
| 5367 | |
| 5368 case TOK.TOKplusplus: | |
| 5369 nextToken(); | |
| 5370 e = parseUnaryExp(); | |
| 5371 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5372 break; | |
| 5373 | |
| 5374 case TOK.TOKminusminus: | |
| 5375 nextToken(); | |
| 5376 e = parseUnaryExp(); | |
| 5377 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5378 break; | |
| 5379 | |
| 5380 case TOK.TOKmul: | |
| 5381 nextToken(); | |
| 5382 e = parseUnaryExp(); | |
| 5383 e = new PtrExp(loc, e); | |
| 5384 break; | |
| 5385 | |
| 5386 case TOK.TOKmin: | |
| 5387 nextToken(); | |
| 5388 e = parseUnaryExp(); | |
| 5389 e = new NegExp(loc, e); | |
| 5390 break; | |
| 5391 | |
| 5392 case TOK.TOKadd: | |
| 5393 nextToken(); | |
| 5394 e = parseUnaryExp(); | |
| 5395 e = new UAddExp(loc, e); | |
| 5396 break; | |
| 5397 | |
| 5398 case TOK.TOKnot: | |
| 5399 nextToken(); | |
| 5400 e = parseUnaryExp(); | |
| 5401 e = new NotExp(loc, e); | |
| 5402 break; | |
| 5403 | |
| 5404 case TOK.TOKtilde: | |
| 5405 nextToken(); | |
| 5406 e = parseUnaryExp(); | |
| 5407 e = new ComExp(loc, e); | |
| 5408 break; | |
| 5409 | |
| 5410 case TOK.TOKdelete: | |
| 5411 nextToken(); | |
| 5412 e = parseUnaryExp(); | |
| 5413 e = new DeleteExp(loc, e); | |
| 5414 break; | |
| 5415 | |
| 5416 case TOK.TOKnew: | |
| 5417 e = parseNewExp(null); | |
| 5418 break; | |
| 5419 | |
| 5420 case TOK.TOKcast: // cast(type) expression | |
| 5421 { | |
| 5422 nextToken(); | |
| 5423 check(TOK.TOKlparen); | |
| 5424 /* Look for cast(), cast(const), cast(immutable), | |
| 5425 * cast(shared), cast(shared const) | |
| 5426 */ | |
| 5427 MOD m; | |
| 5428 if (token.value == TOK.TOKrparen) | |
| 5429 { | |
| 5430 m = MOD.MODundefined; | |
| 5431 goto Lmod1; | |
| 5432 } | |
| 5433 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5434 { | |
| 5435 m = MOD.MODconst; | |
| 5436 goto Lmod2; | |
| 5437 } | |
| 5438 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5439 { | |
| 5440 m = MOD.MODinvariant; | |
| 5441 goto Lmod2; | |
| 5442 } | |
| 5443 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5444 { | |
| 5445 m = MOD.MODshared; | |
| 5446 goto Lmod2; | |
| 5447 } | |
| 5448 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5449 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5450 { | |
| 5451 m = MOD.MODshared | MOD.MODconst; | |
| 5452 nextToken(); | |
| 5453 Lmod2: | |
| 5454 nextToken(); | |
| 5455 Lmod1: | |
| 5456 nextToken(); | |
| 5457 e = parseUnaryExp(); | |
| 5458 e = new CastExp(loc, e, m); | |
| 5459 } | |
| 5460 else | |
| 5461 { | |
| 5462 Type t = parseType(); // ( type ) | |
| 5463 check(TOK.TOKrparen); | |
| 5464 e = parseUnaryExp(); | |
| 5465 e = new CastExp(loc, e, t); | |
| 5466 } | |
| 5467 break; | |
| 5468 } | |
| 5469 | |
| 5470 case TOK.TOKlparen: | |
| 5471 { Token *tk; | |
| 5472 | |
| 5473 tk = peek(&token); | |
| 5474 version (CCASTSYNTAX) { | |
| 5475 // If cast | |
| 5476 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5477 { | |
| 5478 tk = peek(tk); // skip over right parenthesis | |
| 5479 switch (tk.value) | |
| 5480 { | |
| 5481 case TOK.TOKnot: | |
| 5482 tk = peek(tk); | |
| 5483 if (tk.value == TOK.TOKis) // !is | |
| 5484 break; | |
| 5485 case TOK.TOKdot: | |
| 5486 case TOK.TOKplusplus: | |
| 5487 case TOK.TOKminusminus: | |
| 5488 case TOK.TOKdelete: | |
| 5489 case TOK.TOKnew: | |
| 5490 case TOK.TOKlparen: | |
| 5491 case TOK.TOKidentifier: | |
| 5492 case TOK.TOKthis: | |
| 5493 case TOK.TOKsuper: | |
| 5494 case TOK.TOKint32v: | |
| 5495 case TOK.TOKuns32v: | |
| 5496 case TOK.TOKint64v: | |
| 5497 case TOK.TOKuns64v: | |
| 5498 case TOK.TOKfloat32v: | |
| 5499 case TOK.TOKfloat64v: | |
| 5500 case TOK.TOKfloat80v: | |
| 5501 case TOK.TOKimaginary32v: | |
| 5502 case TOK.TOKimaginary64v: | |
| 5503 case TOK.TOKimaginary80v: | |
| 5504 case TOK.TOKnull: | |
| 5505 case TOK.TOKtrue: | |
| 5506 case TOK.TOKfalse: | |
| 5507 case TOK.TOKcharv: | |
| 5508 case TOK.TOKwcharv: | |
| 5509 case TOK.TOKdcharv: | |
| 5510 case TOK.TOKstring: | |
| 5511 static if (false) { | |
| 5512 case TOK.TOKtilde: | |
| 5513 case TOK.TOKand: | |
| 5514 case TOK.TOKmul: | |
| 5515 case TOK.TOKmin: | |
| 5516 case TOK.TOKadd: | |
| 5517 } | |
| 5518 case TOK.TOKfunction: | |
| 5519 case TOK.TOKdelegate: | |
| 5520 case TOK.TOKtypeof: | |
| 5521 version (DMDV2) { | |
| 5522 case TOK.TOKfile: | |
| 5523 case TOK.TOKline: | |
| 5524 } | |
| 5525 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5526 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5527 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5528 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5529 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5530 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5531 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5532 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5533 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5534 case TOK.TOKvoid: // (type)int.size | |
| 5535 { | |
| 5536 // (type) una_exp | |
| 5537 nextToken(); | |
| 5538 Type t = parseType(); | |
| 5539 check(TOK.TOKrparen); | |
| 5540 | |
| 5541 // if .identifier | |
| 5542 if (token.value == TOK.TOKdot) | |
| 5543 { | |
| 5544 nextToken(); | |
| 5545 if (token.value != TOK.TOKidentifier) | |
| 5546 { | |
| 5547 error("Identifier expected following (type)."); | |
| 5548 return null; | |
| 5549 } | |
| 5550 e = typeDotIdExp(loc, t, token.ident); | |
| 5551 nextToken(); | |
| 5552 e = parsePostExp(e); | |
| 5553 } | |
| 5554 else | |
| 5555 { | |
| 5556 e = parseUnaryExp(); | |
| 5557 e = new CastExp(loc, e, t); | |
| 5558 error("C style cast illegal, use %s", e.toChars()); | |
| 5559 } | |
| 5560 return e; | |
| 5561 } | |
| 5562 | |
| 5563 default: | |
| 5564 break; /// | |
| 5565 } | |
| 5566 } | |
| 5567 } | |
| 5568 e = parsePrimaryExp(); | |
| 5569 e = parsePostExp(e); | |
| 5570 break; | |
| 5571 } | |
| 5572 default: | |
| 5573 e = parsePrimaryExp(); | |
| 5574 e = parsePostExp(e); | |
| 5575 break; | |
| 5576 } | |
| 5577 assert(e); | |
| 5578 return e; | |
| 5579 } | |
| 5580 | |
| 5581 Expression parsePostExp(Expression e) | |
| 5582 { | |
| 5583 Loc loc; | |
| 5584 | |
| 5585 while (1) | |
| 5586 { | |
| 5587 loc = this.loc; | |
| 5588 switch (token.value) | |
| 5589 { | |
| 5590 case TOK.TOKdot: | |
| 5591 nextToken(); | |
| 5592 if (token.value == TOK.TOKidentifier) | |
| 5593 { Identifier id = token.ident; | |
| 5594 | |
| 5595 nextToken(); | |
| 5596 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5597 { // identifier!(template-argument-list) | |
| 5598 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5599 nextToken(); | |
| 5600 if (token.value == TOK.TOKlparen) | |
| 5601 // ident!(template_arguments) | |
| 5602 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5603 else | |
| 5604 // ident!template_argument | |
| 5605 tempinst.tiargs = parseTemplateArgument(); | |
| 5606 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5607 } | |
| 5608 else | |
| 5609 e = new DotIdExp(loc, e, id); | |
| 5610 continue; | |
| 5611 } | |
| 5612 else if (token.value == TOK.TOKnew) | |
| 5613 { | |
| 5614 e = parseNewExp(e); | |
| 5615 continue; | |
| 5616 } | |
| 5617 else | |
| 5618 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5619 break; | |
| 5620 | |
| 5621 case TOK.TOKplusplus: | |
| 5622 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5623 break; | |
| 5624 | |
| 5625 case TOK.TOKminusminus: | |
| 5626 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5627 break; | |
| 5628 | |
| 5629 case TOK.TOKlparen: | |
| 5630 e = new CallExp(loc, e, parseArguments()); | |
| 5631 continue; | |
| 5632 | |
| 5633 case TOK.TOKlbracket: | |
| 5634 { // array dereferences: | |
| 5635 // array[index] | |
| 5636 // array[] | |
| 5637 // array[lwr .. upr] | |
| 5638 Expression index; | |
| 5639 Expression upr; | |
| 5640 | |
| 5641 inBrackets++; | |
| 5642 nextToken(); | |
| 5643 if (token.value == TOK.TOKrbracket) | |
| 5644 { // array[] | |
| 5645 e = new SliceExp(loc, e, null, null); | |
| 5646 nextToken(); | |
| 5647 } | |
| 5648 else | |
| 5649 { | |
| 5650 index = parseAssignExp(); | |
| 5651 if (token.value == TOK.TOKslice) | |
| 5652 { // array[lwr .. upr] | |
| 5653 nextToken(); | |
| 5654 upr = parseAssignExp(); | |
| 5655 e = new SliceExp(loc, e, index, upr); | |
| 5656 } | |
| 5657 else | |
| 5658 { // array[index, i2, i3, i4, ...] | |
| 5659 Expressions arguments = new Expressions(); | |
| 5660 arguments.push(cast(void*)index); | |
| 5661 if (token.value == TOK.TOKcomma) | |
| 5662 { | |
| 5663 nextToken(); | |
| 5664 while (1) | |
| 5665 { Expression arg; | |
| 5666 | |
| 5667 arg = parseAssignExp(); | |
| 5668 arguments.push(cast(void*)arg); | |
| 5669 if (token.value == TOK.TOKrbracket) | |
| 5670 break; | |
| 5671 check(TOK.TOKcomma); | |
| 5672 } | |
| 5673 } | |
| 5674 e = new ArrayExp(loc, e, arguments); | |
| 5675 } | |
| 5676 check(TOK.TOKrbracket); | |
| 5677 inBrackets--; | |
| 5678 } | |
| 5679 continue; | |
| 5680 } | |
| 5681 | |
| 5682 default: | |
| 5683 return e; | |
| 5684 } | |
| 5685 nextToken(); | |
| 5686 } | |
| 5687 | |
| 5688 assert(false); | |
| 5689 } | |
| 5690 | |
| 5691 Expression parseMulExp() | |
| 5692 { | |
| 5693 Expression e; | |
| 5694 Expression e2; | |
| 5695 Loc loc = this.loc; | |
| 5696 | |
| 5697 e = parseUnaryExp(); | |
| 5698 while (1) | |
| 5699 { | |
| 5700 switch (token.value) | |
| 5701 { | |
| 5702 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5703 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5704 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5705 | |
| 5706 default: | |
| 5707 break; | |
| 5708 } | |
| 5709 break; | |
| 5710 } | |
| 5711 return e; | |
| 5712 } | |
| 5713 | |
| 5714 Expression parseShiftExp() | |
| 5715 { | |
| 5716 Expression e; | |
| 5717 Expression e2; | |
| 5718 Loc loc = this.loc; | |
| 5719 | |
| 5720 e = parseAddExp(); | |
| 5721 while (1) | |
| 5722 { | |
| 5723 switch (token.value) | |
| 5724 { | |
| 5725 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5726 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5727 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5728 | |
| 5729 default: | |
| 5730 break; | |
| 5731 } | |
| 5732 break; | |
| 5733 } | |
| 5734 return e; | |
| 5735 } | |
| 5736 | |
| 5737 Expression parseAddExp() | |
| 5738 { | |
| 5739 Expression e; | |
| 5740 Expression e2; | |
| 5741 Loc loc = this.loc; | |
| 5742 | |
| 5743 e = parseMulExp(); | |
| 5744 while (1) | |
| 5745 { | |
| 5746 switch (token.value) | |
| 5747 { | |
| 5748 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5749 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5750 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5751 | |
| 5752 default: | |
| 5753 break; | |
| 5754 } | |
| 5755 break; | |
| 5756 } | |
| 5757 return e; | |
| 5758 } | |
| 5759 | |
| 5760 Expression parseRelExp() | |
| 5761 { | |
| 5762 assert(false); | |
| 5763 } | |
| 5764 | |
| 5765 Expression parseEqualExp() | |
| 5766 { | |
| 5767 assert(false); | |
| 5768 } | |
| 5769 | |
| 5770 Expression parseCmpExp() | |
| 5771 { | |
| 5772 Expression e; | |
| 5773 Expression e2; | |
| 5774 Token* t; | |
| 5775 Loc loc = this.loc; | |
| 5776 | |
| 5777 e = parseShiftExp(); | |
| 5778 TOK op = token.value; | |
| 5779 | |
| 5780 switch (op) | |
| 5781 { | |
| 5782 case TOK.TOKequal: | |
| 5783 case TOK.TOKnotequal: | |
| 5784 nextToken(); | |
| 5785 e2 = parseShiftExp(); | |
| 5786 e = new EqualExp(op, loc, e, e2); | |
| 5787 break; | |
| 5788 | |
| 5789 case TOK.TOKis: | |
| 5790 op = TOK.TOKidentity; | |
| 5791 goto L1; | |
| 5792 | |
| 5793 case TOK.TOKnot: | |
| 5794 // Attempt to identify '!is' | |
| 5795 t = peek(&token); | |
| 5796 if (t.value != TOK.TOKis) | |
| 5797 break; | |
| 5798 nextToken(); | |
| 5799 op = TOK.TOKnotidentity; | |
| 5800 goto L1; | |
| 5801 | |
| 5802 L1: | |
| 5803 nextToken(); | |
| 5804 e2 = parseShiftExp(); | |
| 5805 e = new IdentityExp(op, loc, e, e2); | |
| 5806 break; | |
| 5807 | |
| 5808 case TOK.TOKlt: | |
| 5809 case TOK.TOKle: | |
| 5810 case TOK.TOKgt: | |
| 5811 case TOK.TOKge: | |
| 5812 case TOK.TOKunord: | |
| 5813 case TOK.TOKlg: | |
| 5814 case TOK.TOKleg: | |
| 5815 case TOK.TOKule: | |
| 5816 case TOK.TOKul: | |
| 5817 case TOK.TOKuge: | |
| 5818 case TOK.TOKug: | |
| 5819 case TOK.TOKue: | |
| 5820 nextToken(); | |
| 5821 e2 = parseShiftExp(); | |
| 5822 e = new CmpExp(op, loc, e, e2); | |
| 5823 break; | |
| 5824 | |
| 5825 case TOK.TOKin: | |
| 5826 nextToken(); | |
| 5827 e2 = parseShiftExp(); | |
| 5828 e = new InExp(loc, e, e2); | |
| 5829 break; | |
| 5830 | |
| 5831 default: | |
| 5832 break; | |
| 5833 } | |
| 5834 return e; | |
| 5835 } | |
| 5836 | |
| 5837 Expression parseAndExp() | |
| 5838 { | |
| 5839 Expression e; | |
| 5840 Expression e2; | |
| 5841 Loc loc = this.loc; | |
| 5842 | |
| 5843 if (global.params.Dversion == 1) | |
| 5844 { | |
| 5845 e = parseEqualExp(); | |
| 5846 while (token.value == TOK.TOKand) | |
| 5847 { | |
| 5848 nextToken(); | |
| 5849 e2 = parseEqualExp(); | |
| 5850 e = new AndExp(loc,e,e2); | |
| 5851 loc = this.loc; | |
| 5852 } | |
| 5853 } | |
| 5854 else | |
| 5855 { | |
| 5856 e = parseCmpExp(); | |
| 5857 while (token.value == TOK.TOKand) | |
| 5858 { | |
| 5859 nextToken(); | |
| 5860 e2 = parseCmpExp(); | |
| 5861 e = new AndExp(loc,e,e2); | |
| 5862 loc = this.loc; | |
| 5863 } | |
| 5864 } | |
| 5865 return e; | |
| 5866 } | |
| 5867 | |
| 5868 Expression parseXorExp() | |
| 5869 { | |
| 5870 Expression e; | |
| 5871 Expression e2; | |
| 5872 Loc loc = this.loc; | |
| 5873 | |
| 5874 e = parseAndExp(); | |
| 5875 while (token.value == TOK.TOKxor) | |
| 5876 { | |
| 5877 nextToken(); | |
| 5878 e2 = parseAndExp(); | |
| 5879 e = new XorExp(loc, e, e2); | |
| 5880 } | |
| 5881 | |
| 5882 return e; | |
| 5883 } | |
| 5884 | |
| 5885 Expression parseOrExp() | |
| 5886 { | |
| 5887 Expression e; | |
| 5888 Expression e2; | |
| 5889 Loc loc = this.loc; | |
| 5890 | |
| 5891 e = parseXorExp(); | |
| 5892 while (token.value == TOK.TOKor) | |
| 5893 { | |
| 5894 nextToken(); | |
| 5895 e2 = parseXorExp(); | |
| 5896 e = new OrExp(loc, e, e2); | |
| 5897 } | |
| 5898 return e; | |
| 5899 } | |
| 5900 | |
| 5901 Expression parseAndAndExp() | |
| 5902 { | |
| 5903 Expression e; | |
| 5904 Expression e2; | |
| 5905 Loc loc = this.loc; | |
| 5906 | |
| 5907 e = parseOrExp(); | |
| 5908 while (token.value == TOK.TOKandand) | |
| 5909 { | |
| 5910 nextToken(); | |
| 5911 e2 = parseOrExp(); | |
| 5912 e = new AndAndExp(loc, e, e2); | |
| 5913 } | |
| 5914 return e; | |
| 5915 } | |
| 5916 | |
| 5917 Expression parseOrOrExp() | |
| 5918 { | |
| 5919 Expression e; | |
| 5920 Expression e2; | |
| 5921 Loc loc = this.loc; | |
| 5922 | |
| 5923 e = parseAndAndExp(); | |
| 5924 while (token.value == TOK.TOKoror) | |
| 5925 { | |
| 5926 nextToken(); | |
| 5927 e2 = parseAndAndExp(); | |
| 5928 e = new OrOrExp(loc, e, e2); | |
| 5929 } | |
| 5930 | |
| 5931 return e; | |
| 5932 } | |
| 5933 | |
| 5934 Expression parseCondExp() | |
| 5935 { | |
| 5936 Expression e; | |
| 5937 Expression e1; | |
| 5938 Expression e2; | |
| 5939 Loc loc = this.loc; | |
| 5940 | |
| 5941 e = parseOrOrExp(); | |
| 5942 if (token.value == TOK.TOKquestion) | |
| 5943 { | |
| 5944 nextToken(); | |
| 5945 e1 = parseExpression(); | |
| 5946 check(TOK.TOKcolon); | |
| 5947 e2 = parseCondExp(); | |
| 5948 e = new CondExp(loc, e, e1, e2); | |
| 5949 } | |
| 5950 return e; | |
| 5951 } | |
| 5952 | |
| 5953 Expression parseAssignExp() | |
| 5954 { | |
| 5955 Expression e; | |
| 5956 Expression e2; | |
| 5957 Loc loc; | |
| 5958 | |
| 5959 e = parseCondExp(); | |
| 5960 while (1) | |
| 5961 { | |
| 5962 loc = this.loc; | |
| 5963 switch (token.value) | |
| 5964 { | |
| 5965 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 5966 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 5967 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 5968 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 5969 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 5970 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 5971 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 5972 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 5973 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 5974 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 5975 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 5976 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 5977 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 5978 | |
| 5979 default: | |
| 5980 break; | |
| 5981 } | |
| 5982 break; | |
| 5983 } | |
| 5984 | |
| 5985 return e; | |
| 5986 } | |
| 5987 | |
| 5988 /************************* | |
| 5989 * Collect argument list. | |
| 5990 * Assume current token is ',', '(' or '['. | |
| 5991 */ | |
| 5992 Expressions parseArguments() | |
| 5993 { | |
| 5994 // function call | |
| 5995 Expressions arguments = new Expressions(); | |
| 5996 Expression arg; | |
| 5997 TOK endtok; | |
| 5998 | |
| 5999 if (token.value == TOK.TOKlbracket) | |
| 6000 endtok = TOK.TOKrbracket; | |
| 6001 else | |
| 6002 endtok = TOK.TOKrparen; | |
| 6003 | |
| 6004 { | |
| 6005 nextToken(); | |
| 6006 if (token.value != endtok) | |
| 6007 { | |
| 6008 while (1) | |
| 6009 { | |
| 6010 arg = parseAssignExp(); | |
| 6011 arguments.push(cast(void*)arg); | |
| 6012 if (token.value == endtok) | |
| 6013 break; | |
| 6014 check(TOK.TOKcomma); | |
| 6015 } | |
| 6016 } | |
| 6017 check(endtok); | |
| 6018 } | |
| 6019 return arguments; | |
| 6020 } | |
| 6021 | |
| 6022 Expression parseNewExp(Expression thisexp) | |
| 6023 { | |
| 6024 Type t; | |
| 6025 Expressions newargs; | |
| 6026 Expressions arguments = null; | |
| 6027 Expression e; | |
| 6028 Loc loc = this.loc; | |
| 6029 | |
| 6030 nextToken(); | |
| 6031 newargs = null; | |
| 6032 if (token.value == TOKlparen) | |
| 6033 { | |
| 6034 newargs = parseArguments(); | |
| 6035 } | |
| 6036 | |
| 6037 // An anonymous nested class starts with "class" | |
| 6038 if (token.value == TOKclass) | |
| 6039 { | |
| 6040 nextToken(); | |
| 6041 if (token.value == TOKlparen) | |
| 6042 arguments = parseArguments(); | |
| 6043 | |
| 6044 BaseClasses baseclasses = null; | |
| 6045 if (token.value != TOKlcurly) | |
| 6046 baseclasses = parseBaseClasses(); | |
| 6047 | |
| 6048 Identifier id = null; | |
| 6049 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6050 | |
| 6051 if (token.value != TOKlcurly) | |
| 6052 { | |
| 6053 error("{ members } expected for anonymous class"); | |
| 6054 cd.members = null; | |
| 6055 } | |
| 6056 else | |
| 6057 { | |
| 6058 nextToken(); | |
| 6059 Array decl = parseDeclDefs(0); | |
| 6060 if (token.value != TOKrcurly) | |
| 6061 error("class member expected"); | |
| 6062 nextToken(); | |
| 6063 cd.members = decl; | |
| 6064 } | |
| 6065 | |
| 6066 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6067 | |
| 6068 return e; | |
| 6069 } | |
| 6070 | |
| 6071 t = parseBasicType(); | |
| 6072 t = parseBasicType2(t); | |
| 6073 if (t.ty == Taarray) | |
| 6074 { | |
| 6075 TypeAArray taa = cast(TypeAArray)t; | |
| 6076 Type index = taa.index; | |
| 6077 | |
| 6078 Expression e2 = index.toExpression(); | |
| 6079 if (e2) | |
| 6080 { | |
| 6081 arguments = new Expressions(); | |
| 6082 arguments.push(cast(void*)e2); | |
| 6083 t = new TypeDArray(taa.next); | |
| 6084 } | |
| 6085 else | |
| 6086 { | |
| 6087 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6088 return new NullExp(loc); | |
| 6089 } | |
| 6090 } | |
| 6091 else if (t.ty == Tsarray) | |
| 6092 { | |
| 6093 TypeSArray tsa = cast(TypeSArray)t; | |
| 6094 Expression ee = tsa.dim; | |
| 6095 | |
| 6096 arguments = new Expressions(); | |
| 6097 arguments.push(cast(void*)ee); | |
| 6098 t = new TypeDArray(tsa.next); | |
| 6099 } | |
| 6100 else if (token.value == TOKlparen) | |
| 6101 { | |
| 6102 arguments = parseArguments(); | |
| 6103 } | |
| 6104 | |
| 6105 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6106 return e; | |
| 6107 } | |
| 6108 | |
| 6109 void addComment(Dsymbol s, ubyte* blockComment) | |
| 6110 { | |
| 6111 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6112 token.lineComment = null; | |
| 6113 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6114 } |