Mercurial > projects > ddmd
annotate dmd/Parser.d @ 56:51605de93870
TupleExp.optimize
UnrolledLoopStatement.ctor
UnrolledLoopStatement.semantic
UnrolledLoopStatement.blockExit
OrOrExp.checkSideEffect
FuncExp.syntaxCopy
FuncLiteralDeclaration.syntaxCopy
WhileStatement.hasBreak
StructInitializer.toExpression
StructLiteralExp.ctor
StructLiteralExp.optimize
BinExp.commonSemanticAssign
ModAssignExp.opId
Argument.isLazyArray
CommaExp.implicitConvTo
CommaExp.castTo
TypeClass.isBaseOf
createTypeInfoArray
TypeTuple.getTypeInfoDeclaration
TypeInfoTupleDeclaration.ctor
TypeNext.constConv
XorExp.implicitConvTo
TemplateParameter.isTemplateValueParameter
| author | korDen |
|---|---|
| date | Sat, 21 Aug 2010 14:16:53 +0400 |
| parents | 544b922227c7 |
| children | 7e0d548de9e6 |
| 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; | |
| 13 | 15 import dmd.TemplateMixin; |
| 0 | 16 import dmd.BaseClass; |
| 17 import dmd.AssignExp; | |
| 18 import dmd.TemplateInstance; | |
| 19 import dmd.NewExp; | |
| 20 import dmd.ArrayExp; | |
| 21 import dmd.DotTemplateInstanceExp; | |
| 22 import dmd.ClassDeclaration; | |
| 23 import dmd.NewAnonClassExp; | |
| 24 import dmd.InterfaceDeclaration; | |
| 25 import dmd.StructDeclaration; | |
| 26 import dmd.UnionDeclaration; | |
| 27 import dmd.AnonDeclaration; | |
| 28 import dmd.StructInitializer; | |
| 29 import dmd.ArrayInitializer; | |
| 30 import dmd.ExpInitializer; | |
| 31 import dmd.TemplateAliasParameter; | |
| 32 import dmd.TemplateTupleParameter; | |
| 33 import dmd.TemplateThisParameter; | |
| 34 import dmd.TemplateValueParameter; | |
| 35 import dmd.VoidInitializer; | |
| 36 import dmd.VersionCondition; | |
| 37 import dmd.DotIdExp; | |
| 38 import dmd.DebugCondition; | |
| 39 import dmd.PostExp; | |
| 40 import dmd.CallExp; | |
| 41 import dmd.SliceExp; | |
| 42 import dmd.FuncExp; | |
| 43 import dmd.AssocArrayLiteralExp; | |
| 44 import dmd.ArrayLiteralExp; | |
| 45 import dmd.IsExp; | |
| 46 import dmd.FuncLiteralDeclaration; | |
| 47 import dmd.AssertExp; | |
| 48 import dmd.CompileExp; | |
| 49 import dmd.FileExp; | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
50 import dmd.TemplateMixin; |
| 0 | 51 import dmd.TemplateParameter; |
| 52 import dmd.TemplateTypeParameter; | |
| 53 import dmd.TypeidExp; | |
| 54 import dmd.StringExp; | |
| 55 import dmd.ScopeExp; | |
| 56 import dmd.IdentifierExp; | |
| 57 import dmd.DollarExp; | |
| 58 import dmd.ThisExp; | |
| 59 import dmd.SuperExp; | |
| 60 import dmd.NullExp; | |
| 61 import dmd.RealExp; | |
| 62 import dmd.TypeExp; | |
| 63 import dmd.AddrExp; | |
| 64 import dmd.MOD; | |
| 65 import dmd.IntegerExp; | |
| 66 import dmd.CastExp; | |
| 67 import dmd.PtrExp; | |
| 68 import dmd.NegExp; | |
| 69 import dmd.XorAssignExp; | |
| 70 import dmd.OrAssignExp; | |
| 71 import dmd.UAddExp; | |
| 72 import dmd.NotExp; | |
| 73 import dmd.ComExp; | |
| 74 import dmd.DeleteExp; | |
| 75 import dmd.MulAssignExp; | |
| 76 import dmd.ModAssignExp; | |
| 77 import dmd.MinAssignExp; | |
| 78 import dmd.DivAssignExp; | |
| 79 import dmd.AndAssignExp; | |
| 80 import dmd.AddAssignExp; | |
| 81 import dmd.ModuleDeclaration; | |
| 82 import dmd.CaseRangeStatement; | |
| 83 import dmd.CommaExp; | |
| 84 import dmd.XorExp; | |
| 85 import dmd.CondExp; | |
| 86 import dmd.CmpExp; | |
| 87 import dmd.InExp; | |
| 88 import dmd.OrOrExp; | |
| 89 import dmd.OrExp; | |
| 90 import dmd.AddExp; | |
| 91 import dmd.MinExp; | |
| 92 import dmd.CatExp; | |
| 93 import dmd.AndAndExp; | |
| 94 import dmd.EqualExp; | |
| 95 import dmd.ShlExp; | |
| 96 import dmd.ShrExp; | |
| 97 import dmd.DivExp; | |
| 98 import dmd.MulExp; | |
| 99 import dmd.ModExp; | |
| 100 import dmd.UshrExp; | |
| 101 import dmd.IdentityExp; | |
| 102 import dmd.AndExp; | |
| 103 import dmd.Id; | |
| 104 import dmd.LabelStatement; | |
| 105 import dmd.ExpStatement; | |
| 106 import dmd.StaticAssertStatement; | |
| 107 import dmd.DeclarationStatement; | |
| 108 import dmd.ScopeStatement; | |
| 109 import dmd.PragmaStatement; | |
| 110 import dmd.WhileStatement; | |
| 111 import dmd.DoStatement; | |
| 112 import dmd.ForStatement; | |
| 113 import dmd.OnScopeStatement; | |
| 114 import dmd.IfStatement; | |
| 115 import dmd.SwitchStatement; | |
| 116 import dmd.CaseStatement; | |
| 117 import dmd.DefaultStatement; | |
| 118 import dmd.GotoDefaultStatement; | |
| 119 import dmd.GotoCaseStatement; | |
| 120 import dmd.GotoStatement; | |
| 121 import dmd.SynchronizedStatement; | |
| 122 import dmd.WithStatement; | |
| 123 import dmd.Catch; | |
| 124 import dmd.TryCatchStatement; | |
| 125 import dmd.TryFinallyStatement; | |
| 126 import dmd.ThrowStatement; | |
| 127 import dmd.VolatileStatement; | |
| 128 import dmd.ReturnStatement; | |
| 129 import dmd.BreakStatement; | |
| 130 import dmd.ContinueStatement; | |
| 131 import dmd.AsmStatement; | |
| 132 import dmd.TypeReturn; | |
| 133 import dmd.TypeTypeof; | |
| 134 import dmd.ForeachRangeStatement; | |
| 135 import dmd.ForeachStatement; | |
| 136 import dmd.CompileStatement; | |
| 137 import dmd.CompoundStatement; | |
| 138 import dmd.ConditionalStatement; | |
| 139 import dmd.CompoundDeclarationStatement; | |
| 140 import dmd.Argument; | |
| 141 import dmd.ParseStatementFlags; | |
| 142 import dmd.TypeNext; | |
| 143 import dmd.TypeInstance; | |
| 144 import dmd.TypePointer; | |
| 145 import dmd.TypeDArray; | |
| 146 import dmd.TypeAArray; | |
| 147 import dmd.TypeSlice; | |
| 148 import dmd.TypeSArray; | |
| 149 import dmd.TemplateInstance; | |
| 150 import dmd.TypeIdentifier; | |
| 151 import dmd.VarDeclaration; | |
| 152 import dmd.TypeFunction; | |
| 153 import dmd.TypeDelegate; | |
| 154 import dmd.TY; | |
| 155 import dmd.LinkDeclaration; | |
| 156 import dmd.Declaration; | |
| 157 import dmd.AggregateDeclaration; | |
| 158 import dmd.TypedefDeclaration; | |
| 159 import dmd.AliasDeclaration; | |
| 160 import dmd.LINK; | |
| 161 import dmd.Loc; | |
| 162 import dmd.Module; | |
| 163 import dmd.Array; | |
| 164 import dmd.Expression; | |
| 165 import dmd.TemplateDeclaration; | |
| 166 import dmd.ArrayTypes; | |
| 167 import dmd.Dsymbol; | |
| 168 import dmd.StaticAssert; | |
| 169 import dmd.TypeQualified; | |
| 170 import dmd.Condition; | |
| 171 import dmd.PostBlitDeclaration; | |
| 172 import dmd.DtorDeclaration; | |
| 173 import dmd.ConditionalDeclaration; | |
| 174 import dmd.StaticCtorDeclaration; | |
| 175 import dmd.StaticDtorDeclaration; | |
| 176 import dmd.InvariantDeclaration; | |
| 177 import dmd.UnitTestDeclaration; | |
| 178 import dmd.NewDeclaration; | |
| 179 import dmd.DeleteDeclaration; | |
| 180 import dmd.EnumDeclaration; | |
| 181 import dmd.Import; | |
| 182 import dmd.Type; | |
| 183 import dmd.Identifier; | |
| 184 import dmd.FuncDeclaration; | |
| 185 import dmd.Statement; | |
| 186 import dmd.Initializer; | |
| 187 import dmd.Token; | |
| 188 import dmd.TOK; | |
| 189 import dmd.ParseStatementFlags; | |
| 190 import dmd.PROT; | |
| 191 import dmd.STC; | |
| 192 import dmd.Util; | |
| 193 import dmd.CompileDeclaration; | |
| 194 import dmd.StaticIfDeclaration; | |
| 195 import dmd.StorageClassDeclaration; | |
| 196 import dmd.LinkDeclaration; | |
| 197 import dmd.ProtDeclaration; | |
| 198 import dmd.AlignDeclaration; | |
| 199 import dmd.PragmaDeclaration; | |
| 200 import dmd.DebugSymbol; | |
| 201 import dmd.VersionSymbol; | |
| 202 import dmd.AliasThis; | |
| 203 import dmd.Global; | |
| 204 | |
| 205 import core.stdc.string : memcpy; | |
| 206 | |
| 34 | 207 import std.exception; |
| 4 | 208 import core.memory; |
| 0 | 209 |
| 210 class Parser : Lexer | |
| 211 { | |
| 212 ModuleDeclaration md; | |
| 213 LINK linkage; | |
| 214 Loc endloc; // set to location of last right curly | |
| 215 int inBrackets; // inside [] of array index or slice | |
| 216 | |
| 217 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 218 { | |
| 219 super(module_, base, 0, length, doDocComment, 0); | |
| 220 //printf("Parser.Parser()\n"); | |
| 221 linkage = LINK.LINKd; | |
| 222 //nextToken(); // start up the scanner | |
| 223 } | |
| 224 | |
| 225 Array parseModule() | |
| 226 { | |
| 227 Array decldefs; | |
| 228 | |
| 229 // ModuleDeclation leads off | |
| 230 if (token.value == TOK.TOKmodule) | |
| 231 { | |
| 232 ubyte* comment = token.blockComment; | |
| 233 bool safe = false; | |
| 234 | |
| 235 nextToken(); | |
| 236 version (DMDV2) { | |
| 237 if (token.value == TOK.TOKlparen) | |
| 238 { | |
| 239 nextToken(); | |
| 240 if (token.value != TOK.TOKidentifier) | |
| 241 { | |
| 242 error("module (system) identifier expected"); | |
| 243 goto Lerr; | |
| 244 } | |
| 245 Identifier id = token.ident; | |
| 246 | |
| 247 if (id is Id.system) | |
| 248 safe = true; | |
| 249 else | |
| 250 error("(safe) expected, not %s", id.toChars()); | |
| 251 nextToken(); | |
| 252 check(TOK.TOKrparen); | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 if (token.value != TOK.TOKidentifier) | |
| 257 { | |
| 258 error("Identifier expected following module"); | |
| 259 goto Lerr; | |
| 260 } | |
| 261 else | |
| 262 { | |
| 263 Array a = null; | |
| 264 Identifier id = token.ident; | |
| 265 while (nextToken() == TOK.TOKdot) | |
| 266 { | |
| 267 if (!a) | |
| 268 a = new Array(); | |
| 269 a.push(cast(void*)id); | |
| 270 nextToken(); | |
| 271 if (token.value != TOK.TOKidentifier) | |
| 272 { error("Identifier expected following package"); | |
| 273 goto Lerr; | |
| 274 } | |
| 275 id = token.ident; | |
| 276 } | |
| 277 | |
| 278 md = new ModuleDeclaration(a, id, safe); | |
| 279 | |
| 280 if (token.value != TOK.TOKsemicolon) | |
| 281 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 282 | |
| 283 nextToken(); | |
| 284 addComment(mod, comment); | |
| 285 } | |
| 286 } | |
| 287 | |
| 288 decldefs = parseDeclDefs(0); | |
| 289 if (token.value != TOK.TOKeof) | |
| 290 { | |
| 291 error("unrecognized declaration"); | |
| 292 goto Lerr; | |
| 293 } | |
| 294 | |
| 295 return decldefs; | |
| 296 | |
| 297 Lerr: | |
| 298 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 299 nextToken(); | |
| 300 | |
| 301 nextToken(); | |
| 302 return new Array(); | |
| 303 } | |
| 304 | |
| 305 Array parseDeclDefs(int once) | |
| 306 { | |
| 307 Dsymbol s; | |
| 308 Array decldefs; | |
| 309 Array a; | |
| 310 Array aelse; | |
| 311 PROT prot; | |
| 312 STC stc; | |
| 313 STC storageClass; | |
| 314 Condition condition; | |
| 315 ubyte* comment; | |
| 316 | |
| 317 //printf("Parser.parseDeclDefs()\n"); | |
| 318 decldefs = new Array(); | |
| 319 do | |
| 320 { | |
| 321 comment = token.blockComment; | |
| 322 storageClass = STC.STCundefined; | |
| 323 switch (token.value) | |
| 324 { | |
| 325 case TOK.TOKenum: | |
| 326 { /* Determine if this is a manifest constant declaration, | |
| 327 * or a conventional enum. | |
| 328 */ | |
| 329 Token *t = peek(&token); | |
| 330 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 331 s = parseEnum(); | |
| 332 else if (t.value != TOK.TOKidentifier) | |
| 333 goto Ldeclaration; | |
| 334 else | |
| 335 { | |
| 336 t = peek(t); | |
| 337 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 338 t.value == TOK.TOKsemicolon) | |
| 339 s = parseEnum(); | |
| 340 else | |
| 341 goto Ldeclaration; | |
| 342 } | |
| 343 break; | |
| 344 } | |
| 345 | |
| 346 case TOK.TOKstruct: | |
| 347 case TOK.TOKunion: | |
| 348 case TOK.TOKclass: | |
| 349 case TOK.TOKinterface: | |
| 350 s = parseAggregate(); | |
| 351 break; | |
| 352 | |
| 353 case TOK.TOKimport: | |
| 354 s = parseImport(decldefs, 0); | |
| 355 break; | |
| 356 | |
| 357 case TOK.TOKtemplate: | |
| 358 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 359 break; | |
| 360 | |
| 361 case TOK.TOKmixin: | |
| 362 { Loc loc = this.loc; | |
| 363 if (peek(&token).value == TOK.TOKlparen) | |
| 364 { // mixin(string) | |
| 365 nextToken(); | |
| 366 check(TOK.TOKlparen, "mixin"); | |
| 367 Expression e = parseAssignExp(); | |
| 368 check(TOK.TOKrparen); | |
| 369 check(TOK.TOKsemicolon); | |
| 370 s = new CompileDeclaration(loc, e); | |
| 371 break; | |
| 372 } | |
| 373 s = parseMixin(); | |
| 374 break; | |
| 375 } | |
| 376 | |
| 377 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 378 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 379 case TOK.TOKint8: case TOK.TOKuns8: | |
| 380 case TOK.TOKint16: case TOK.TOKuns16: | |
| 381 case TOK.TOKint32: case TOK.TOKuns32: | |
| 382 case TOK.TOKint64: case TOK.TOKuns64: | |
| 383 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 384 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 385 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 386 case TOK.TOKvoid: | |
| 387 case TOK.TOKalias: | |
| 388 case TOK.TOKtypedef: | |
| 389 case TOK.TOKidentifier: | |
| 390 case TOK.TOKtypeof: | |
| 391 case TOK.TOKdot: | |
| 392 Ldeclaration: | |
| 393 a = parseDeclarations(STC.STCundefined); | |
| 394 decldefs.append(a); | |
| 395 continue; | |
| 396 | |
| 397 case TOK.TOKthis: | |
| 398 s = parseCtor(); | |
| 399 break; | |
| 400 | |
| 401 static if (false) { // dead end, use this(this){} instead | |
| 402 case TOK.TOKassign: | |
| 403 s = parsePostBlit(); | |
| 404 break; | |
| 405 } | |
| 406 case TOK.TOKtilde: | |
| 407 s = parseDtor(); | |
| 408 break; | |
| 409 | |
| 410 case TOK.TOKinvariant: | |
| 411 { Token *t; | |
| 412 t = peek(&token); | |
| 413 if (t.value == TOK.TOKlparen) | |
| 414 { | |
| 415 if (peek(t).value == TOK.TOKrparen) | |
| 416 // invariant() forms start of class invariant | |
| 417 s = parseInvariant(); | |
| 418 else | |
| 419 // invariant(type) | |
| 420 goto Ldeclaration; | |
| 421 } | |
| 422 else | |
| 423 { | |
| 424 stc = STC.STCimmutable; | |
| 425 goto Lstc; | |
| 426 } | |
| 427 break; | |
| 428 } | |
| 429 | |
| 430 case TOK.TOKunittest: | |
| 431 s = parseUnitTest(); | |
| 432 break; | |
| 433 | |
| 434 case TOK.TOKnew: | |
| 435 s = parseNew(); | |
| 436 break; | |
| 437 | |
| 438 case TOK.TOKdelete: | |
| 439 s = parseDelete(); | |
| 440 break; | |
| 441 | |
| 442 case TOK.TOKeof: | |
| 443 case TOK.TOKrcurly: | |
| 444 return decldefs; | |
| 445 | |
| 446 case TOK.TOKstatic: | |
| 447 nextToken(); | |
| 448 if (token.value == TOK.TOKthis) | |
| 449 s = parseStaticCtor(); | |
| 450 else if (token.value == TOK.TOKtilde) | |
| 451 s = parseStaticDtor(); | |
| 452 else if (token.value == TOK.TOKassert) | |
| 453 s = parseStaticAssert(); | |
| 454 else if (token.value == TOK.TOKif) | |
| 455 { condition = parseStaticIfCondition(); | |
| 456 a = parseBlock(); | |
| 457 aelse = null; | |
| 458 if (token.value == TOK.TOKelse) | |
| 459 { nextToken(); | |
| 460 aelse = parseBlock(); | |
| 461 } | |
| 462 s = new StaticIfDeclaration(condition, a, aelse); | |
| 463 break; | |
| 464 } | |
| 465 else if (token.value == TOK.TOKimport) | |
| 466 { | |
| 467 s = parseImport(decldefs, 1); | |
| 468 } | |
| 469 else | |
| 470 { stc = STC.STCstatic; | |
| 471 goto Lstc2; | |
| 472 } | |
| 473 break; | |
| 474 | |
| 475 case TOK.TOKconst: | |
| 476 if (peek(&token).value == TOK.TOKlparen) | |
| 477 goto Ldeclaration; | |
| 478 stc = STC.STCconst; | |
| 479 goto Lstc; | |
| 480 | |
| 481 case TOK.TOKimmutable: | |
| 482 if (peek(&token).value == TOK.TOKlparen) | |
| 483 goto Ldeclaration; | |
| 484 stc = STC.STCimmutable; | |
| 485 goto Lstc; | |
| 486 | |
| 487 case TOK.TOKshared: | |
| 488 if (peek(&token).value == TOK.TOKlparen) | |
| 489 goto Ldeclaration; | |
| 490 stc = STC.STCshared; | |
| 491 goto Lstc; | |
| 492 | |
| 493 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 494 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 495 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 496 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 497 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 498 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 499 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 500 version (DMDV2) { | |
| 501 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 502 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 503 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 504 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 505 case TOK.TOKgshared: | |
| 506 stc = STC.STCgshared; goto Lstc; | |
| 507 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 508 } | |
| 509 | |
| 510 Lstc: | |
| 511 if (storageClass & stc) | |
| 512 error("redundant storage class %s", Token.toChars(token.value)); | |
| 513 composeStorageClass(storageClass | stc); | |
| 514 nextToken(); | |
| 515 Lstc2: | |
| 516 storageClass |= stc; | |
| 517 switch (token.value) | |
| 518 { | |
| 519 case TOK.TOKconst: | |
| 520 case TOK.TOKinvariant: | |
| 521 case TOK.TOKimmutable: | |
| 522 case TOK.TOKshared: | |
| 523 // If followed by a (, it is not a storage class | |
| 524 if (peek(&token).value == TOK.TOKlparen) | |
| 525 break; | |
| 526 if (token.value == TOK.TOKconst) | |
| 527 stc = STC.STCconst; | |
| 528 else if (token.value == TOK.TOKshared) | |
| 529 stc = STC.STCshared; | |
| 530 else | |
| 531 stc = STC.STCimmutable; | |
| 532 goto Lstc; | |
| 533 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 534 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 535 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 536 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 537 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 538 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 539 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 540 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 541 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 542 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 543 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 544 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 545 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 546 default: | |
| 547 break; | |
| 548 } | |
| 549 | |
| 550 /* Look for auto initializers: | |
| 551 * storage_class identifier = initializer; | |
| 552 */ | |
| 553 if (token.value == TOK.TOKidentifier && | |
| 554 peek(&token).value == TOK.TOKassign) | |
| 555 { | |
| 556 a = parseAutoDeclarations(storageClass, comment); | |
| 557 decldefs.append(a); | |
| 558 continue; | |
| 559 } | |
| 560 | |
| 561 /* Look for return type inference for template functions. | |
| 562 */ | |
| 563 Token *tk; | |
| 564 if (token.value == TOK.TOKidentifier && | |
| 565 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 566 skipParens(tk, &tk) && | |
| 567 (peek(tk).value == TOK.TOKlparen || | |
| 568 peek(tk).value == TOK.TOKlcurly) | |
| 569 ) | |
| 570 { | |
| 571 a = parseDeclarations(storageClass); | |
| 572 decldefs.append(a); | |
| 573 continue; | |
| 574 } | |
| 575 a = parseBlock(); | |
| 576 s = new StorageClassDeclaration(storageClass, a); | |
| 577 break; | |
| 578 | |
| 579 case TOK.TOKextern: | |
| 580 if (peek(&token).value != TOK.TOKlparen) | |
| 581 { | |
| 582 stc = STC.STCextern; | |
| 583 goto Lstc; | |
| 584 } | |
| 585 { | |
| 586 LINK linksave = linkage; | |
| 587 linkage = parseLinkage(); | |
| 588 a = parseBlock(); | |
| 589 s = new LinkDeclaration(linkage, a); | |
| 590 linkage = linksave; | |
| 591 break; | |
| 592 } | |
| 593 | |
| 594 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 595 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 596 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 597 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 598 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 599 Lprot: | |
| 600 nextToken(); | |
| 601 switch (token.value) | |
| 602 { | |
| 603 case TOK.TOKprivate: | |
| 604 case TOK.TOKpackage: | |
| 605 case TOK.TOKprotected: | |
| 606 case TOK.TOKpublic: | |
| 607 case TOK.TOKexport: | |
| 608 error("redundant protection attribute"); | |
| 609 break; | |
| 610 default: | |
| 611 break; | |
| 612 } | |
| 613 a = parseBlock(); | |
| 614 s = new ProtDeclaration(prot, a); | |
| 615 break; | |
| 616 | |
| 617 case TOK.TOKalign: | |
| 618 { uint n; | |
| 619 | |
| 620 s = null; | |
| 621 nextToken(); | |
| 622 if (token.value == TOK.TOKlparen) | |
| 623 { | |
| 624 nextToken(); | |
| 625 if (token.value == TOK.TOKint32v) | |
| 626 n = cast(uint)token.uns64value; | |
| 627 else | |
| 628 { error("integer expected, not %s", token.toChars()); | |
| 629 n = 1; | |
| 630 } | |
| 631 nextToken(); | |
| 632 check(TOK.TOKrparen); | |
| 633 } | |
| 634 else | |
| 635 n = global.structalign; // default | |
| 636 | |
| 637 a = parseBlock(); | |
| 638 s = new AlignDeclaration(n, a); | |
| 639 break; | |
| 640 } | |
| 641 | |
| 642 case TOK.TOKpragma: | |
| 643 { Identifier ident; | |
| 644 Expressions args = null; | |
| 645 | |
| 646 nextToken(); | |
| 647 check(TOK.TOKlparen); | |
| 648 if (token.value != TOK.TOKidentifier) | |
| 649 { error("pragma(identifier expected"); | |
| 650 goto Lerror; | |
| 651 } | |
| 652 ident = token.ident; | |
| 653 nextToken(); | |
| 654 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 655 args = parseArguments(); // pragma(identifier, args...) | |
| 656 else | |
| 657 check(TOK.TOKrparen); // pragma(identifier) | |
| 658 | |
| 659 if (token.value == TOK.TOKsemicolon) | |
| 660 a = null; | |
| 661 else | |
| 662 a = parseBlock(); | |
| 663 s = new PragmaDeclaration(loc, ident, args, a); | |
| 664 break; | |
| 665 } | |
| 666 | |
| 667 case TOK.TOKdebug: | |
| 668 nextToken(); | |
| 669 if (token.value == TOK.TOKassign) | |
| 670 { | |
| 671 nextToken(); | |
| 672 if (token.value == TOK.TOKidentifier) | |
| 673 s = new DebugSymbol(loc, token.ident); | |
| 674 else if (token.value == TOK.TOKint32v) | |
| 675 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 676 else | |
| 677 { error("identifier or integer expected, not %s", token.toChars()); | |
| 678 s = null; | |
| 679 } | |
| 680 nextToken(); | |
| 681 if (token.value != TOK.TOKsemicolon) | |
| 682 error("semicolon expected"); | |
| 683 nextToken(); | |
| 684 break; | |
| 685 } | |
| 686 | |
| 687 condition = parseDebugCondition(); | |
| 688 goto Lcondition; | |
| 689 | |
| 690 case TOK.TOKversion: | |
| 691 nextToken(); | |
| 692 if (token.value == TOK.TOKassign) | |
| 693 { | |
| 694 nextToken(); | |
| 695 if (token.value == TOK.TOKidentifier) | |
| 696 s = new VersionSymbol(loc, token.ident); | |
| 697 else if (token.value == TOK.TOKint32v) | |
| 698 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 699 else | |
| 700 { error("identifier or integer expected, not %s", token.toChars()); | |
| 701 s = null; | |
| 702 } | |
| 703 nextToken(); | |
| 704 if (token.value != TOK.TOKsemicolon) | |
| 705 error("semicolon expected"); | |
| 706 nextToken(); | |
| 707 break; | |
| 708 } | |
| 709 condition = parseVersionCondition(); | |
| 710 goto Lcondition; | |
| 711 | |
| 712 Lcondition: | |
| 713 a = parseBlock(); | |
| 714 aelse = null; | |
| 715 if (token.value == TOK.TOKelse) | |
| 716 { nextToken(); | |
| 717 aelse = parseBlock(); | |
| 718 } | |
| 719 s = new ConditionalDeclaration(condition, a, aelse); | |
| 720 break; | |
| 721 | |
| 722 case TOK.TOKsemicolon: // empty declaration | |
| 723 nextToken(); | |
| 724 continue; | |
| 725 | |
| 726 default: | |
| 727 error("Declaration expected, not '%s'",token.toChars()); | |
| 728 Lerror: | |
| 729 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 730 nextToken(); | |
| 731 nextToken(); | |
| 732 s = null; | |
| 733 continue; | |
| 734 } | |
| 735 if (s) | |
| 736 { decldefs.push(cast(void*)s); | |
| 737 addComment(s, comment); | |
| 738 } | |
| 739 } while (!once); | |
| 740 return decldefs; | |
| 741 } | |
| 742 | |
| 743 /***************************************** | |
| 744 * Parse auto declarations of the form: | |
| 745 * storageClass ident = init, ident = init, ... ; | |
| 746 * and return the array of them. | |
| 747 * Starts with token on the first ident. | |
| 748 * Ends with scanner past closing ';' | |
| 749 */ | |
| 750 version (DMDV2) { | |
| 751 Array parseAutoDeclarations(STC storageClass, ubyte* comment) | |
| 752 { | |
| 753 Array a = new Array; | |
| 754 | |
| 755 while (true) | |
| 756 { | |
| 757 Identifier ident = token.ident; | |
| 758 nextToken(); // skip over ident | |
| 759 assert(token.value == TOKassign); | |
| 760 nextToken(); // skip over '=' | |
| 761 Initializer init = parseInitializer(); | |
| 762 VarDeclaration v = new VarDeclaration(loc, null, ident, init); | |
| 763 v.storage_class = storageClass; | |
| 764 a.push(cast(void*)v); | |
| 765 if (token.value == TOKsemicolon) | |
| 766 { | |
| 767 nextToken(); | |
| 768 addComment(v, comment); | |
| 769 } | |
| 770 else if (token.value == TOKcomma) | |
| 771 { | |
| 772 nextToken(); | |
| 773 if (token.value == TOKidentifier && | |
| 774 peek(&token).value == TOKassign) | |
| 775 { | |
| 776 addComment(v, comment); | |
| 777 continue; | |
| 778 } | |
| 779 else | |
| 780 error("Identifier expected following comma"); | |
| 781 } | |
| 782 else | |
| 783 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 784 break; | |
| 785 } | |
| 786 return a; | |
| 787 } | |
| 788 } | |
| 789 /******************************************** | |
| 790 * Parse declarations after an align, protection, or extern decl. | |
| 791 */ | |
| 792 Array parseBlock() | |
| 793 { | |
| 794 Array a = null; | |
| 795 Dsymbol ss; | |
| 796 | |
| 797 //printf("parseBlock()\n"); | |
| 798 switch (token.value) | |
| 799 { | |
| 800 case TOK.TOKsemicolon: | |
| 801 error("declaration expected following attribute, not ';'"); | |
| 802 nextToken(); | |
| 803 break; | |
| 804 | |
| 805 case TOK.TOKeof: | |
| 806 error("declaration expected following attribute, not EOF"); | |
| 807 break; | |
| 808 | |
| 809 case TOK.TOKlcurly: | |
| 810 nextToken(); | |
| 811 a = parseDeclDefs(0); | |
| 812 if (token.value != TOK.TOKrcurly) | |
| 813 { /* { */ | |
| 814 error("matching '}' expected, not %s", token.toChars()); | |
| 815 } | |
| 816 else | |
| 817 nextToken(); | |
| 818 break; | |
| 819 | |
| 820 case TOK.TOKcolon: | |
| 821 nextToken(); | |
| 822 static if (false) { | |
| 823 a = null; | |
| 824 } else { | |
| 825 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 826 } | |
| 827 break; | |
| 828 | |
| 829 default: | |
| 830 a = parseDeclDefs(1); | |
| 831 break; | |
| 832 } | |
| 833 return a; | |
| 834 } | |
| 835 | |
| 836 void composeStorageClass(STC stc) | |
| 837 { | |
| 838 STC u = stc; | |
| 839 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; | |
| 840 if (u & (u - 1)) | |
| 841 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 842 | |
| 843 u = stc; | |
| 844 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 845 if (u & (u - 1)) | |
| 846 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 847 } | |
| 848 | |
| 849 /************************************** | |
| 850 * Parse constraint. | |
| 851 * Constraint is of the form: | |
| 852 * if ( ConstraintExpression ) | |
| 853 */ | |
| 854 version (DMDV2) { | |
| 855 Expression parseConstraint() | |
| 856 { | |
| 857 Expression e = null; | |
| 858 | |
| 859 if (token.value == TOKif) | |
| 860 { | |
| 861 nextToken(); // skip over 'if' | |
| 862 check(TOKlparen); | |
| 863 e = parseExpression(); | |
| 864 check(TOKrparen); | |
| 865 } | |
| 866 return e; | |
| 867 } | |
| 868 } | |
| 869 /************************************** | |
| 870 * Parse a TemplateDeclaration. | |
| 871 */ | |
| 872 TemplateDeclaration parseTemplateDeclaration() | |
| 873 { | |
| 874 TemplateDeclaration tempdecl; | |
| 875 Identifier id; | |
| 876 TemplateParameters tpl; | |
| 877 Array decldefs; | |
| 878 Expression constraint = null; | |
| 879 Loc loc = this.loc; | |
| 880 | |
| 881 nextToken(); | |
| 882 if (token.value != TOKidentifier) | |
| 883 { | |
| 884 error("TemplateIdentifier expected following template"); | |
| 885 goto Lerr; | |
| 886 } | |
| 887 id = token.ident; | |
| 888 nextToken(); | |
| 889 tpl = parseTemplateParameterList(); | |
| 890 if (!tpl) | |
| 891 goto Lerr; | |
| 892 | |
| 893 constraint = parseConstraint(); | |
| 894 | |
| 895 if (token.value != TOKlcurly) | |
| 896 { | |
| 897 error("members of template declaration expected"); | |
| 898 goto Lerr; | |
| 899 } | |
| 900 else | |
| 901 { | |
| 902 nextToken(); | |
| 903 decldefs = parseDeclDefs(0); | |
| 904 if (token.value != TOKrcurly) | |
| 905 { | |
| 906 error("template member expected"); | |
| 907 goto Lerr; | |
| 908 } | |
| 909 nextToken(); | |
| 910 } | |
| 911 | |
| 912 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 913 return tempdecl; | |
| 914 | |
| 915 Lerr: | |
| 916 return null; | |
| 917 } | |
| 918 | |
| 919 /****************************************** | |
| 920 * Parse template parameter list. | |
| 921 * Input: | |
| 922 * flag 0: parsing "( list )" | |
| 923 * 1: parsing non-empty "list )" | |
| 924 */ | |
| 925 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 926 { | |
| 927 TemplateParameters tpl = new TemplateParameters(); | |
| 928 | |
| 929 if (!flag && token.value != TOKlparen) | |
| 930 { | |
| 931 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 932 goto Lerr; | |
| 933 } | |
| 934 nextToken(); | |
| 935 | |
| 936 // Get array of TemplateParameters | |
| 937 if (flag || token.value != TOKrparen) | |
| 938 { | |
| 939 int isvariadic = 0; | |
| 940 | |
| 941 while (true) | |
| 942 { | |
| 943 TemplateParameter tp; | |
| 944 Identifier tp_ident = null; | |
| 945 Type tp_spectype = null; | |
| 946 Type tp_valtype = null; | |
| 947 Type tp_defaulttype = null; | |
| 948 Expression tp_specvalue = null; | |
| 949 Expression tp_defaultvalue = null; | |
| 950 Token* t; | |
| 951 | |
| 952 // Get TemplateParameter | |
| 953 | |
| 954 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 955 t = peek(&token); | |
| 956 if (token.value == TOKalias) | |
| 957 { | |
| 958 // AliasParameter | |
| 959 nextToken(); | |
| 960 Type spectype = null; | |
| 961 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 962 { | |
| 963 spectype = parseType(&tp_ident); | |
| 964 } | |
| 965 else | |
| 966 { | |
| 967 if (token.value != TOKidentifier) | |
| 968 { | |
| 969 error("identifier expected for template alias parameter"); | |
| 970 goto Lerr; | |
| 971 } | |
| 972 tp_ident = token.ident; | |
| 973 nextToken(); | |
| 974 } | |
| 975 Object spec = null; | |
| 976 if (token.value == TOKcolon) // : Type | |
| 977 { | |
| 978 nextToken(); | |
| 979 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 980 spec = parseType(); | |
| 981 else | |
| 982 spec = parseCondExp(); | |
| 983 } | |
| 984 Object def = null; | |
| 985 if (token.value == TOKassign) // = Type | |
| 986 { | |
| 987 nextToken(); | |
| 988 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 989 def = parseType(); | |
| 990 else | |
| 991 def = parseCondExp(); | |
| 992 } | |
| 993 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 994 } | |
| 995 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 996 t.value == TOKcomma || t.value == TOKrparen) | |
| 997 { // TypeParameter | |
| 998 if (token.value != TOKidentifier) | |
| 999 { error("identifier expected for template type parameter"); | |
| 1000 goto Lerr; | |
| 1001 } | |
| 1002 tp_ident = token.ident; | |
| 1003 nextToken(); | |
| 1004 if (token.value == TOKcolon) // : Type | |
| 1005 { | |
| 1006 nextToken(); | |
| 1007 tp_spectype = parseType(); | |
| 1008 } | |
| 1009 if (token.value == TOKassign) // = Type | |
| 1010 { | |
| 1011 nextToken(); | |
| 1012 tp_defaulttype = parseType(); | |
| 1013 } | |
| 1014 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1015 } | |
| 1016 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1017 { // ident... | |
| 1018 if (isvariadic) | |
| 1019 error("variadic template parameter must be last"); | |
| 1020 isvariadic = 1; | |
| 1021 tp_ident = token.ident; | |
| 1022 nextToken(); | |
| 1023 nextToken(); | |
| 1024 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1025 } | |
| 1026 /// version (DMDV2) { | |
| 1027 else if (token.value == TOKthis) | |
| 1028 { // ThisParameter | |
| 1029 nextToken(); | |
| 1030 if (token.value != TOKidentifier) | |
| 1031 { error("identifier expected for template this parameter"); | |
| 1032 goto Lerr; | |
| 1033 } | |
| 1034 tp_ident = token.ident; | |
| 1035 nextToken(); | |
| 1036 if (token.value == TOKcolon) // : Type | |
| 1037 { | |
| 1038 nextToken(); | |
| 1039 tp_spectype = parseType(); | |
| 1040 } | |
| 1041 if (token.value == TOKassign) // = Type | |
| 1042 { | |
| 1043 nextToken(); | |
| 1044 tp_defaulttype = parseType(); | |
| 1045 } | |
| 1046 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1047 } | |
| 1048 /// } | |
| 1049 else | |
| 1050 { // ValueParameter | |
| 1051 tp_valtype = parseType(&tp_ident); | |
| 1052 if (!tp_ident) | |
| 1053 { | |
| 1054 error("identifier expected for template value parameter"); | |
| 1055 tp_ident = new Identifier("error", TOKidentifier); | |
| 1056 } | |
| 1057 if (token.value == TOKcolon) // : CondExpression | |
| 1058 { | |
| 1059 nextToken(); | |
| 1060 tp_specvalue = parseCondExp(); | |
| 1061 } | |
| 1062 if (token.value == TOKassign) // = CondExpression | |
| 1063 { | |
| 1064 nextToken(); | |
| 1065 tp_defaultvalue = parseDefaultInitExp(); | |
| 1066 } | |
| 1067 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1068 } | |
| 1069 tpl.push(cast(void*)tp); | |
| 1070 if (token.value != TOKcomma) | |
| 1071 break; | |
| 1072 nextToken(); | |
| 1073 } | |
| 1074 } | |
| 1075 check(TOKrparen); | |
| 1076 | |
| 1077 Lerr: | |
| 1078 return tpl; | |
| 1079 } | |
|
19
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 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1082 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1083 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1084 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1085 * 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
|
1086 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1087 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1088 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1089 |
| 0 | 1090 Dsymbol parseMixin() |
| 1091 { | |
| 13 | 1092 TemplateMixin tm; |
| 1093 Identifier id; | |
| 1094 Type tqual; | |
| 1095 Objects tiargs; | |
| 1096 Array idents; | |
| 1097 | |
| 1098 //printf("parseMixin()\n"); | |
| 1099 nextToken(); | |
| 1100 tqual = null; | |
| 1101 if (token.value == TOKdot) | |
| 1102 { | |
| 1103 id = Id.empty; | |
| 1104 } | |
| 1105 else | |
| 1106 { | |
| 1107 if (token.value == TOKtypeof) | |
| 1108 { | |
| 1109 tqual = parseTypeof(); | |
| 1110 check(TOKdot); | |
| 1111 } | |
| 1112 if (token.value != TOKidentifier) | |
| 1113 { | |
| 1114 error("identifier expected, not %s", token.toChars()); | |
| 1115 id = Id.empty; | |
| 1116 } | |
| 1117 else | |
| 1118 id = token.ident; | |
| 1119 nextToken(); | |
| 1120 } | |
| 1121 | |
| 1122 idents = new Array(); | |
| 1123 while (1) | |
| 1124 { | |
| 1125 tiargs = null; | |
| 1126 if (token.value == TOKnot) | |
| 1127 { | |
| 1128 nextToken(); | |
| 1129 if (token.value == TOKlparen) | |
| 1130 tiargs = parseTemplateArgumentList(); | |
| 1131 else | |
| 1132 tiargs = parseTemplateArgument(); | |
| 1133 } | |
| 1134 if (token.value != TOKdot) | |
| 1135 break; | |
| 1136 if (tiargs) | |
| 1137 { | |
| 1138 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1139 tempinst.tiargs = tiargs; | |
| 1140 id = cast(Identifier)tempinst; | |
| 1141 tiargs = null; | |
| 1142 } | |
| 1143 idents.push(cast(void*)id); | |
| 1144 nextToken(); | |
| 1145 if (token.value != TOKidentifier) | |
| 1146 { | |
| 1147 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1148 break; | |
| 1149 } | |
| 1150 id = token.ident; | |
| 1151 nextToken(); | |
| 1152 } | |
| 1153 idents.push(cast(void*)id); | |
| 1154 if (token.value == TOKidentifier) | |
| 1155 { | |
| 1156 id = token.ident; | |
| 1157 nextToken(); | |
| 1158 } | |
| 1159 else | |
| 1160 id = null; | |
| 1161 | |
| 1162 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1163 if (token.value != TOKsemicolon) | |
| 1164 error("';' expected after mixin"); | |
| 1165 nextToken(); | |
| 1166 return tm; | |
| 0 | 1167 } |
| 1168 | |
| 1169 /****************************************** | |
| 1170 * Parse template argument list. | |
| 1171 * Input: | |
| 1172 * current token is opening '(' | |
| 1173 * Output: | |
| 1174 * current token is one after closing ')' | |
| 1175 */ | |
| 1176 Objects parseTemplateArgumentList() | |
| 1177 { | |
| 1178 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1179 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1180 { | |
| 1181 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1182 return new Objects(); | |
| 1183 } | |
| 1184 return parseTemplateArgumentList2(); | |
| 1185 } | |
| 1186 | |
| 1187 Objects parseTemplateArgumentList2() | |
| 1188 { | |
| 1189 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1190 Objects tiargs = new Objects(); | |
| 1191 TOK endtok = TOKrparen; | |
| 1192 nextToken(); | |
| 1193 | |
| 1194 // Get TemplateArgumentList | |
| 1195 if (token.value != endtok) | |
| 1196 { | |
| 1197 while (1) | |
| 1198 { | |
| 1199 // See if it is an Expression or a Type | |
| 1200 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1201 { // Template argument is a type | |
| 1202 Type ta = parseType(); | |
| 1203 tiargs.push(cast(void*)ta); | |
| 1204 } | |
| 1205 else | |
| 1206 { // Template argument is an expression | |
| 1207 Expression ea = parseAssignExp(); | |
| 1208 | |
| 1209 if (ea.op == TOKfunction) | |
| 1210 { | |
| 1211 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1212 if (fd.type.ty == Tfunction) | |
| 1213 { | |
| 1214 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1215 /* If there are parameters that consist of only an identifier, | |
| 1216 * rather than assuming the identifier is a type, as we would | |
| 1217 * for regular function declarations, assume the identifier | |
| 1218 * is the parameter name, and we're building a template with | |
| 1219 * a deduced type. | |
| 1220 */ | |
| 1221 TemplateParameters tpl = null; | |
| 1222 for (int i = 0; i < tf.parameters.dim; i++) | |
| 1223 { | |
| 1224 Argument param = cast(Argument)tf.parameters.data[i]; | |
| 1225 if (param.ident is null && | |
| 1226 param.type && | |
| 1227 param.type.ty == Tident && | |
| 1228 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1229 ) | |
| 1230 { | |
| 1231 /* Switch parameter type to parameter identifier, | |
| 1232 * parameterize with template type parameter _T | |
| 1233 */ | |
| 1234 TypeIdentifier pt = cast(TypeIdentifier)param.type; | |
| 1235 param.ident = pt.ident; | |
| 1236 Identifier id = Lexer.uniqueId("__T"); | |
| 1237 param.type = new TypeIdentifier(pt.loc, id); | |
| 1238 TemplateParameter tp = new TemplateTypeParameter(fd.loc, id, null, null); | |
| 1239 if (!tpl) | |
| 1240 tpl = new TemplateParameters(); | |
| 1241 tpl.push(cast(void*)tp); | |
| 1242 } | |
| 1243 } | |
| 1244 | |
| 1245 if (tpl) | |
| 1246 { | |
| 1247 // Wrap a template around function fd | |
| 1248 Array decldefs = new Array(); | |
| 1249 decldefs.push(cast(void*)fd); | |
| 1250 TemplateDeclaration tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); | |
| 1251 tempdecl.literal = 1; // it's a template 'literal' | |
| 1252 tiargs.push(cast(void*)tempdecl); | |
| 1253 goto L1; | |
| 1254 } | |
| 1255 } | |
| 1256 } | |
| 1257 | |
| 1258 tiargs.push(cast(void*)ea); | |
| 1259 } | |
| 1260 L1: | |
| 1261 if (token.value != TOKcomma) | |
| 1262 break; | |
| 1263 nextToken(); | |
| 1264 } | |
| 1265 } | |
| 1266 check(endtok, "template argument list"); | |
| 1267 return tiargs; | |
| 1268 } | |
| 1269 | |
| 2 | 1270 /***************************** |
| 1271 * Parse single template argument, to support the syntax: | |
| 1272 * foo!arg | |
| 1273 * Input: | |
| 1274 * current token is the arg | |
| 1275 */ | |
| 0 | 1276 Objects parseTemplateArgument() |
| 1277 { | |
| 2 | 1278 //printf("parseTemplateArgument()\n"); |
| 1279 Objects tiargs = new Objects(); | |
| 1280 Type ta; | |
| 1281 switch (token.value) | |
| 1282 { | |
| 1283 case TOKidentifier: | |
| 1284 ta = new TypeIdentifier(loc, token.ident); | |
| 1285 goto LabelX; | |
| 1286 | |
| 1287 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1288 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1289 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1290 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1291 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1292 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1293 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1294 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1295 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1296 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1297 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1298 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1299 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1300 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1301 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1302 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1303 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1304 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1305 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1306 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1307 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1308 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1309 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1310 LabelX: | |
| 1311 tiargs.push(cast(void*)ta); | |
| 1312 nextToken(); | |
| 1313 break; | |
| 1314 | |
| 1315 case TOKint32v: | |
| 1316 case TOKuns32v: | |
| 1317 case TOKint64v: | |
| 1318 case TOKuns64v: | |
| 1319 case TOKfloat32v: | |
| 1320 case TOKfloat64v: | |
| 1321 case TOKfloat80v: | |
| 1322 case TOKimaginary32v: | |
| 1323 case TOKimaginary64v: | |
| 1324 case TOKimaginary80v: | |
| 1325 case TOKnull: | |
| 1326 case TOKtrue: | |
| 1327 case TOKfalse: | |
| 1328 case TOKcharv: | |
| 1329 case TOKwcharv: | |
| 1330 case TOKdcharv: | |
| 1331 case TOKstring: | |
| 1332 case TOKfile: | |
| 1333 case TOKline: | |
| 1334 { | |
| 1335 // Template argument is an expression | |
| 1336 Expression ea = parsePrimaryExp(); | |
| 1337 tiargs.push(cast(void*)ea); | |
| 1338 break; | |
| 1339 } | |
| 1340 | |
| 1341 default: | |
| 1342 error("template argument expected following !"); | |
| 1343 break; | |
| 1344 } | |
| 1345 | |
| 1346 if (token.value == TOKnot) | |
| 1347 error("multiple ! arguments are not allowed"); | |
| 1348 return tiargs; | |
| 0 | 1349 } |
| 1350 | |
| 1351 /********************************** | |
| 1352 * Parse a static assertion. | |
| 1353 */ | |
| 1354 StaticAssert parseStaticAssert() | |
| 1355 { | |
| 1356 Loc loc = this.loc; | |
| 1357 Expression exp; | |
| 1358 Expression msg = null; | |
| 1359 | |
| 1360 //printf("parseStaticAssert()\n"); | |
| 1361 nextToken(); | |
| 1362 check(TOK.TOKlparen); | |
| 1363 exp = parseAssignExp(); | |
| 1364 if (token.value == TOK.TOKcomma) | |
| 1365 { | |
| 1366 nextToken(); | |
| 1367 msg = parseAssignExp(); | |
| 1368 } | |
| 1369 | |
| 1370 check(TOK.TOKrparen); | |
| 1371 check(TOK.TOKsemicolon); | |
| 1372 | |
| 1373 return new StaticAssert(loc, exp, msg); | |
| 1374 } | |
| 1375 | |
| 1376 TypeQualified parseTypeof() | |
| 1377 { | |
| 1378 TypeQualified t; | |
| 1379 Loc loc = this.loc; | |
| 1380 | |
| 1381 nextToken(); | |
| 1382 check(TOK.TOKlparen); | |
| 1383 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1384 { | |
| 1385 nextToken(); | |
| 1386 t = new TypeReturn(loc); | |
| 1387 } | |
| 1388 else | |
| 1389 { | |
| 1390 Expression exp = parseExpression(); // typeof(expression) | |
| 1391 t = new TypeTypeof(loc, exp); | |
| 1392 } | |
| 1393 check(TOK.TOKrparen); | |
| 1394 return t; | |
| 1395 } | |
| 1396 | |
| 1397 /*********************************** | |
| 1398 * Parse extern (linkage) | |
| 1399 * The parser is on the 'extern' token. | |
| 1400 */ | |
| 1401 LINK parseLinkage() | |
| 1402 { | |
| 1403 LINK link = LINK.LINKdefault; | |
| 1404 nextToken(); | |
| 1405 assert(token.value == TOK.TOKlparen); | |
| 1406 nextToken(); | |
| 1407 if (token.value == TOK.TOKidentifier) | |
| 1408 { | |
| 1409 Identifier id = token.ident; | |
| 1410 | |
| 1411 nextToken(); | |
| 1412 if (id == Id.Windows) | |
| 1413 link = LINK.LINKwindows; | |
| 1414 else if (id == Id.Pascal) | |
| 1415 link = LINK.LINKpascal; | |
| 1416 else if (id == Id.D) | |
| 1417 link = LINK.LINKd; | |
| 1418 else if (id == Id.C) | |
| 1419 { | |
| 1420 link = LINK.LINKc; | |
| 1421 if (token.value == TOK.TOKplusplus) | |
| 1422 { | |
| 1423 link = LINK.LINKcpp; | |
| 1424 nextToken(); | |
| 1425 } | |
| 1426 } | |
| 1427 else if (id == Id.System) | |
| 1428 { | |
| 1429 version (_WIN32) { | |
| 1430 link = LINK.LINKwindows; | |
| 1431 } else { | |
| 1432 link = LINK.LINKc; | |
| 1433 } | |
| 1434 } | |
| 1435 else | |
| 1436 { | |
| 1437 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1438 link = LINK.LINKd; | |
| 1439 } | |
| 1440 } | |
| 1441 else | |
| 1442 { | |
| 1443 link = LINK.LINKd; // default | |
| 1444 } | |
| 1445 check(TOK.TOKrparen); | |
| 1446 | |
| 1447 return link; | |
| 1448 } | |
| 1449 | |
| 1450 | |
| 1451 /************************************** | |
| 1452 * Parse a debug conditional | |
| 1453 */ | |
| 1454 Condition parseDebugCondition() | |
| 1455 { | |
| 1456 Condition c; | |
| 1457 | |
| 1458 if (token.value == TOK.TOKlparen) | |
| 1459 { | |
| 1460 nextToken(); | |
| 1461 uint level = 1; | |
| 1462 Identifier id = null; | |
| 1463 | |
| 1464 if (token.value == TOK.TOKidentifier) | |
| 1465 id = token.ident; | |
| 1466 else if (token.value == TOK.TOKint32v) | |
| 1467 level = cast(uint)token.uns64value; | |
| 1468 else | |
| 1469 error("identifier or integer expected, not %s", token.toChars()); | |
| 1470 | |
| 1471 nextToken(); | |
| 1472 check(TOK.TOKrparen); | |
| 1473 | |
| 1474 c = new DebugCondition(mod, level, id); | |
| 1475 } | |
| 1476 else | |
| 1477 c = new DebugCondition(mod, 1, null); | |
| 1478 | |
| 1479 return c; | |
| 1480 } | |
| 1481 | |
| 1482 /************************************** | |
| 1483 * Parse a version conditional | |
| 1484 */ | |
| 1485 Condition parseVersionCondition() | |
| 1486 { | |
| 1487 Condition c; | |
| 1488 uint level = 1; | |
| 1489 Identifier id = null; | |
| 1490 | |
| 1491 if (token.value == TOK.TOKlparen) | |
| 1492 { | |
| 1493 nextToken(); | |
| 1494 if (token.value == TOK.TOKidentifier) | |
| 1495 id = token.ident; | |
| 1496 else if (token.value == TOK.TOKint32v) | |
| 1497 level = cast(uint)token.uns64value; | |
| 1498 else { | |
| 1499 version (DMDV2) { | |
| 1500 /* Allow: | |
| 1501 * version (unittest) | |
| 1502 * even though unittest is a keyword | |
| 1503 */ | |
| 1504 if (token.value == TOK.TOKunittest) | |
| 1505 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1506 else | |
| 1507 error("identifier or integer expected, not %s", token.toChars()); | |
| 1508 } else { | |
| 1509 error("identifier or integer expected, not %s", token.toChars()); | |
| 1510 } | |
| 1511 } | |
| 1512 nextToken(); | |
| 1513 check(TOK.TOKrparen); | |
| 1514 } | |
| 1515 else | |
| 1516 error("(condition) expected following version"); | |
| 1517 | |
| 1518 c = new VersionCondition(mod, level, id); | |
| 1519 | |
| 1520 return c; | |
| 1521 } | |
| 1522 | |
| 1523 /*********************************************** | |
| 1524 * static if (expression) | |
| 1525 * body | |
| 1526 * else | |
| 1527 * body | |
| 1528 */ | |
| 1529 Condition parseStaticIfCondition() | |
| 1530 { | |
| 1531 Expression exp; | |
| 1532 Condition condition; | |
| 1533 Array aif; | |
| 1534 Array aelse; | |
| 1535 Loc loc = this.loc; | |
| 1536 | |
| 1537 nextToken(); | |
| 1538 if (token.value == TOKlparen) | |
| 1539 { | |
| 1540 nextToken(); | |
| 1541 exp = parseAssignExp(); | |
| 1542 check(TOKrparen); | |
| 1543 } | |
| 1544 else | |
| 1545 { | |
| 1546 error("(expression) expected following static if"); | |
| 1547 exp = null; | |
| 1548 } | |
| 1549 condition = new StaticIfCondition(loc, exp); | |
| 1550 return condition; | |
| 1551 } | |
| 1552 | |
| 1553 /***************************************** | |
| 1554 * Parse a constructor definition: | |
| 1555 * this(parameters) { body } | |
| 1556 * or postblit: | |
| 1557 * this(this) { body } | |
| 1558 * or constructor template: | |
| 1559 * this(templateparameters)(parameters) { body } | |
| 1560 * Current token is 'this'. | |
| 1561 */ | |
| 1562 | |
| 1563 Dsymbol parseCtor() | |
| 1564 { | |
| 1565 Loc loc = this.loc; | |
| 1566 | |
| 1567 nextToken(); | |
| 1568 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1569 { // this(this) { ... } | |
| 1570 nextToken(); | |
| 1571 nextToken(); | |
| 1572 check(TOK.TOKrparen); | |
| 1573 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1574 parseContracts(f); | |
| 1575 return f; | |
| 1576 } | |
| 1577 | |
| 1578 /* Look ahead to see if: | |
| 1579 * this(...)(...) | |
| 1580 * which is a constructor template | |
| 1581 */ | |
| 1582 TemplateParameters tpl = null; | |
| 1583 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1584 { tpl = parseTemplateParameterList(); | |
| 1585 | |
| 1586 int varargs; | |
| 1587 Arguments arguments = parseParameters(&varargs); | |
| 1588 | |
| 1589 Expression constraint = null; | |
| 1590 if (tpl) | |
| 1591 constraint = parseConstraint(); | |
| 1592 | |
| 1593 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1594 parseContracts(f); | |
| 1595 | |
| 1596 // Wrap a template around it | |
| 1597 Array decldefs = new Array(); | |
| 1598 decldefs.push(cast(void*)f); | |
| 1599 TemplateDeclaration tempdecl = | |
| 1600 new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); | |
| 1601 return tempdecl; | |
| 1602 } | |
| 1603 | |
| 1604 /* Just a regular constructor | |
| 1605 */ | |
| 1606 int varargs; | |
| 1607 Arguments arguments = parseParameters(&varargs); | |
| 1608 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1609 parseContracts(f); | |
| 1610 return f; | |
| 1611 } | |
| 1612 | |
| 1613 PostBlitDeclaration parsePostBlit() | |
| 1614 { | |
| 1615 assert(false); | |
| 1616 } | |
| 1617 | |
| 1618 /***************************************** | |
| 1619 * Parse a destructor definition: | |
| 1620 * ~this() { body } | |
| 1621 * Current token is '~'. | |
| 1622 */ | |
| 1623 DtorDeclaration parseDtor() | |
| 1624 { | |
| 1625 DtorDeclaration f; | |
| 1626 Loc loc = this.loc; | |
| 1627 | |
| 1628 nextToken(); | |
| 1629 check(TOKthis); | |
| 1630 check(TOKlparen); | |
| 1631 check(TOKrparen); | |
| 1632 | |
| 1633 f = new DtorDeclaration(loc, Loc(0)); | |
| 1634 parseContracts(f); | |
| 1635 return f; | |
| 1636 } | |
| 1637 | |
| 1638 /***************************************** | |
| 1639 * Parse a static constructor definition: | |
| 1640 * static this() { body } | |
| 1641 * Current token is 'this'. | |
| 1642 */ | |
| 1643 StaticCtorDeclaration parseStaticCtor() | |
| 1644 { | |
| 1645 StaticCtorDeclaration f; | |
| 1646 Loc loc = this.loc; | |
| 1647 | |
| 1648 nextToken(); | |
| 1649 check(TOKlparen); | |
| 1650 check(TOKrparen); | |
| 1651 | |
| 1652 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1653 parseContracts(f); | |
| 1654 return f; | |
| 1655 } | |
| 1656 | |
| 1657 /***************************************** | |
| 1658 * Parse a static destructor definition: | |
| 1659 * static ~this() { body } | |
| 1660 * Current token is '~'. | |
| 1661 */ | |
| 1662 StaticDtorDeclaration parseStaticDtor() | |
| 1663 { | |
| 1664 StaticDtorDeclaration f; | |
| 1665 Loc loc = this.loc; | |
| 1666 | |
| 1667 nextToken(); | |
| 1668 check(TOKthis); | |
| 1669 check(TOKlparen); | |
| 1670 check(TOKrparen); | |
| 1671 | |
| 1672 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1673 parseContracts(f); | |
| 1674 return f; | |
| 1675 } | |
| 1676 | |
| 1677 /***************************************** | |
| 1678 * Parse an invariant definition: | |
| 1679 * invariant() { body } | |
| 1680 * Current token is 'invariant'. | |
| 1681 */ | |
| 1682 InvariantDeclaration parseInvariant() | |
| 1683 { | |
| 1684 InvariantDeclaration f; | |
| 1685 Loc loc = this.loc; | |
| 1686 | |
| 1687 nextToken(); | |
| 1688 if (token.value == TOKlparen) // optional () | |
| 1689 { | |
| 1690 nextToken(); | |
| 1691 check(TOKrparen); | |
| 1692 } | |
| 1693 | |
| 1694 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1695 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1696 return f; | |
| 1697 } | |
| 1698 | |
| 1699 /***************************************** | |
| 1700 * Parse a unittest definition: | |
| 1701 * unittest { body } | |
| 1702 * Current token is 'unittest'. | |
| 1703 */ | |
| 1704 UnitTestDeclaration parseUnitTest() | |
| 1705 { | |
| 1706 Loc loc = this.loc; | |
| 1707 | |
| 1708 nextToken(); | |
| 1709 | |
| 1710 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1711 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1712 | |
| 1713 return f; | |
| 1714 } | |
| 1715 | |
| 1716 NewDeclaration parseNew() | |
| 1717 { | |
| 1718 assert(false); | |
| 1719 } | |
| 1720 | |
| 1721 DeleteDeclaration parseDelete() | |
| 1722 { | |
| 1723 assert(false); | |
| 1724 } | |
| 1725 | |
| 1726 Arguments parseParameters(int* pvarargs) | |
| 1727 { | |
| 1728 Arguments arguments = new Arguments(); | |
| 1729 int varargs = 0; | |
| 1730 int hasdefault = 0; | |
| 1731 | |
| 1732 check(TOK.TOKlparen); | |
| 1733 while (1) | |
| 1734 { Type *tb; | |
| 1735 Identifier ai = null; | |
| 1736 Type at; | |
| 1737 Argument a; | |
| 1738 STC storageClass = STC.STCundefined; | |
| 1739 STC stc; | |
| 1740 Expression ae; | |
| 1741 | |
| 1742 for ( ;1; nextToken()) | |
| 1743 { | |
| 1744 switch (token.value) | |
| 1745 { | |
| 1746 case TOK.TOKrparen: | |
| 1747 break; | |
| 1748 | |
| 1749 case TOK.TOKdotdotdot: | |
| 1750 varargs = 1; | |
| 1751 nextToken(); | |
| 1752 break; | |
| 1753 | |
| 1754 case TOK.TOKconst: | |
| 1755 if (peek(&token).value == TOK.TOKlparen) | |
| 1756 goto Ldefault; | |
| 1757 stc = STC.STCconst; | |
| 1758 goto L2; | |
| 1759 | |
| 1760 case TOK.TOKinvariant: | |
| 1761 case TOK.TOKimmutable: | |
| 1762 if (peek(&token).value == TOK.TOKlparen) | |
| 1763 goto Ldefault; | |
| 1764 stc = STC.STCimmutable; | |
| 1765 goto L2; | |
| 1766 | |
| 1767 case TOK.TOKshared: | |
| 1768 if (peek(&token).value == TOK.TOKlparen) | |
| 1769 goto Ldefault; | |
| 1770 stc = STC.STCshared; | |
| 1771 goto L2; | |
| 1772 | |
| 1773 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1774 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1775 case TOK.TOKinout: | |
| 1776 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1777 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1778 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1779 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1780 L2: | |
| 1781 if (storageClass & stc || | |
| 1782 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1783 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1784 ) | |
| 1785 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1786 storageClass |= stc; | |
| 1787 composeStorageClass(storageClass); | |
| 1788 continue; | |
| 1789 | |
| 1790 static if (false) { | |
| 1791 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1792 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1793 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1794 L4: | |
| 1795 nextToken(); | |
| 1796 if (token.value == TOK.TOKidentifier) | |
| 1797 { ai = token.ident; | |
| 1798 nextToken(); | |
| 1799 } | |
| 1800 else | |
| 1801 ai = null; | |
| 1802 at = null; // no type | |
| 1803 ae = null; // no default argument | |
| 1804 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1805 { nextToken(); | |
| 1806 ae = parseDefaultInitExp(); | |
| 1807 hasdefault = 1; | |
| 1808 } | |
| 1809 else | |
| 1810 { if (hasdefault) | |
| 1811 error("default argument expected for alias %s", | |
| 1812 ai ? ai.toChars() : ""); | |
| 1813 } | |
| 1814 goto L3; | |
| 1815 } | |
| 1816 | |
| 1817 default: | |
| 1818 Ldefault: | |
| 1819 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1820 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1821 error("incompatible parameter storage classes"); | |
| 1822 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1823 error("out cannot be const"); | |
| 1824 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1825 error("out cannot be immutable"); | |
| 1826 if ((storageClass & STC.STCscope) && | |
| 1827 (storageClass & (STC.STCref | STC.STCout))) | |
| 1828 error("scope cannot be ref or out"); | |
| 1829 at = parseType(&ai); | |
| 1830 ae = null; | |
| 1831 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1832 { nextToken(); | |
| 1833 ae = parseDefaultInitExp(); | |
| 1834 hasdefault = 1; | |
| 1835 } | |
| 1836 else | |
| 1837 { if (hasdefault) | |
| 1838 error("default argument expected for %s", | |
| 1839 ai ? ai.toChars() : at.toChars()); | |
| 1840 } | |
| 1841 if (token.value == TOK.TOKdotdotdot) | |
| 1842 { /* This is: | |
| 1843 * at ai ... | |
| 1844 */ | |
| 1845 | |
| 1846 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1847 error("variadic argument cannot be out or ref"); | |
| 1848 varargs = 2; | |
| 1849 a = new Argument(storageClass, at, ai, ae); | |
| 1850 arguments.push(cast(void*)a); | |
| 1851 nextToken(); | |
| 1852 break; | |
| 1853 } | |
| 1854 L3: | |
| 1855 a = new Argument(storageClass, at, ai, ae); | |
| 1856 arguments.push(cast(void*)a); | |
| 1857 if (token.value == TOK.TOKcomma) | |
| 1858 { nextToken(); | |
| 1859 goto L1; | |
| 1860 } | |
| 1861 break; | |
| 1862 } | |
| 1863 break; | |
| 1864 } | |
| 1865 break; | |
| 1866 | |
| 1867 L1: ; | |
| 1868 } | |
| 1869 check(TOK.TOKrparen); | |
| 1870 *pvarargs = varargs; | |
| 1871 return arguments; | |
| 1872 } | |
| 1873 | |
| 1874 EnumDeclaration parseEnum() | |
| 1875 { | |
| 1876 EnumDeclaration e; | |
| 1877 Identifier id; | |
| 1878 Type memtype; | |
| 1879 Loc loc = this.loc; | |
| 1880 | |
| 1881 //printf("Parser.parseEnum()\n"); | |
| 1882 nextToken(); | |
| 1883 if (token.value == TOK.TOKidentifier) | |
| 1884 { | |
| 1885 id = token.ident; | |
| 1886 nextToken(); | |
| 1887 } | |
| 1888 else | |
| 1889 id = null; | |
| 1890 | |
| 1891 if (token.value == TOK.TOKcolon) | |
| 1892 { | |
| 1893 nextToken(); | |
| 1894 memtype = parseBasicType(); | |
| 1895 memtype = parseDeclarator(memtype, null, null); | |
| 1896 } | |
| 1897 else | |
| 1898 memtype = null; | |
| 1899 | |
| 1900 e = new EnumDeclaration(loc, id, memtype); | |
| 1901 if (token.value == TOK.TOKsemicolon && id) | |
| 1902 nextToken(); | |
| 1903 else if (token.value == TOK.TOKlcurly) | |
| 1904 { | |
| 1905 //printf("enum definition\n"); | |
| 1906 e.members = new Array(); | |
| 1907 nextToken(); | |
| 1908 ubyte* comment = token.blockComment; | |
| 1909 while (token.value != TOK.TOKrcurly) | |
| 1910 { | |
| 1911 /* Can take the following forms: | |
| 1912 * 1. ident | |
| 1913 * 2. ident = value | |
| 1914 * 3. type ident = value | |
| 1915 */ | |
| 1916 | |
| 1917 loc = this.loc; | |
| 1918 | |
| 1919 Type type = null; | |
| 1920 Identifier ident; | |
| 1921 Token* tp = peek(&token); | |
| 1922 if (token.value == TOK.TOKidentifier && | |
| 1923 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1924 { | |
| 1925 ident = token.ident; | |
| 1926 type = null; | |
| 1927 nextToken(); | |
| 1928 } | |
| 1929 else | |
| 1930 { | |
| 1931 type = parseType(&ident, null); | |
| 1932 if (id || memtype) | |
| 1933 error("type only allowed if anonymous enum and no enum type"); | |
| 1934 } | |
| 1935 | |
| 1936 Expression value; | |
| 1937 if (token.value == TOK.TOKassign) | |
| 1938 { | |
| 1939 nextToken(); | |
| 1940 value = parseAssignExp(); | |
| 1941 } | |
| 1942 else | |
| 1943 { | |
| 1944 value = null; | |
| 1945 if (type) | |
| 1946 error("if type, there must be an initializer"); | |
| 1947 } | |
| 1948 | |
| 1949 EnumMember em = new EnumMember(loc, ident, value, type); | |
| 1950 e.members.push(cast(void*)em); | |
| 1951 | |
| 1952 if (token.value == TOK.TOKrcurly) { | |
| 1953 ; | |
| 1954 } else { | |
| 1955 addComment(em, comment); | |
| 1956 comment = null; | |
| 1957 check(TOK.TOKcomma); | |
| 1958 } | |
| 1959 addComment(em, comment); | |
| 1960 comment = token.blockComment; | |
| 1961 } | |
| 1962 nextToken(); | |
| 1963 } | |
| 1964 else | |
| 1965 error("enum declaration is invalid"); | |
| 1966 | |
| 1967 //printf("-parseEnum() %s\n", e.toChars()); | |
| 1968 return e; | |
| 1969 } | |
| 1970 | |
| 1971 Dsymbol parseAggregate() | |
| 1972 { | |
| 1973 AggregateDeclaration a = null; | |
| 1974 int anon = 0; | |
| 1975 TOK tok; | |
| 1976 Identifier id; | |
| 1977 TemplateParameters tpl = null; | |
| 1978 Expression constraint = null; | |
| 1979 | |
| 1980 //printf("Parser.parseAggregate()\n"); | |
| 1981 tok = token.value; | |
| 1982 nextToken(); | |
| 1983 if (token.value != TOK.TOKidentifier) | |
| 1984 { | |
| 1985 id = null; | |
| 1986 } | |
| 1987 else | |
| 1988 { | |
| 1989 id = token.ident; | |
| 1990 nextToken(); | |
| 1991 | |
| 1992 if (token.value == TOK.TOKlparen) | |
| 1993 { | |
| 1994 // Class template declaration. | |
| 1995 | |
| 1996 // Gather template parameter list | |
| 1997 tpl = parseTemplateParameterList(); | |
| 1998 constraint = parseConstraint(); | |
| 1999 } | |
| 2000 } | |
| 2001 | |
| 2002 Loc loc = this.loc; | |
| 2003 switch (tok) | |
| 2004 { case TOK.TOKclass: | |
| 2005 case TOK.TOKinterface: | |
| 2006 { | |
| 2007 if (!id) | |
| 2008 error("anonymous classes not allowed"); | |
| 2009 | |
| 2010 // Collect base class(es) | |
| 2011 BaseClasses baseclasses = null; | |
| 2012 if (token.value == TOK.TOKcolon) | |
| 2013 { | |
| 2014 nextToken(); | |
| 2015 baseclasses = parseBaseClasses(); | |
| 2016 | |
| 2017 if (token.value != TOK.TOKlcurly) | |
| 2018 error("members expected"); | |
| 2019 } | |
| 2020 | |
| 2021 if (tok == TOK.TOKclass) | |
| 2022 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2023 else | |
| 2024 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2025 break; | |
| 2026 } | |
| 2027 | |
| 2028 case TOK.TOKstruct: | |
| 2029 if (id) | |
| 2030 a = new StructDeclaration(loc, id); | |
| 2031 else | |
| 2032 anon = 1; | |
| 2033 break; | |
| 2034 | |
| 2035 case TOK.TOKunion: | |
| 2036 if (id) | |
| 2037 a = new UnionDeclaration(loc, id); | |
| 2038 else | |
| 2039 anon = 2; | |
| 2040 break; | |
| 2041 | |
| 2042 default: | |
| 2043 assert(0); | |
| 2044 break; | |
| 2045 } | |
| 2046 if (a && token.value == TOK.TOKsemicolon) | |
| 2047 { nextToken(); | |
| 2048 } | |
| 2049 else if (token.value == TOK.TOKlcurly) | |
| 2050 { | |
| 2051 //printf("aggregate definition\n"); | |
| 2052 nextToken(); | |
| 2053 Array decl = parseDeclDefs(0); | |
| 2054 if (token.value != TOK.TOKrcurly) | |
| 2055 error("} expected following member declarations in aggregate"); | |
| 2056 nextToken(); | |
| 2057 if (anon) | |
| 2058 { | |
| 2059 /* Anonymous structs/unions are more like attributes. | |
| 2060 */ | |
| 2061 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2062 } | |
| 2063 else | |
| 2064 a.members = decl; | |
| 2065 } | |
| 2066 else | |
| 2067 { | |
| 2068 error("{ } expected following aggregate declaration"); | |
| 2069 a = new StructDeclaration(loc, null); | |
| 2070 } | |
| 2071 | |
| 2072 if (tpl) | |
| 2073 { // Wrap a template around the aggregate declaration | |
| 2074 | |
| 2075 Array decldefs = new Array(); | |
| 2076 decldefs.push(cast(void*)a); | |
| 2077 TemplateDeclaration tempdecl = | |
| 2078 new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 2079 return tempdecl; | |
| 2080 } | |
| 2081 | |
| 2082 return a; | |
| 2083 } | |
| 2084 | |
| 2085 BaseClasses parseBaseClasses() | |
| 2086 { | |
| 2087 BaseClasses baseclasses = new BaseClasses(); | |
| 2088 | |
| 2089 for (; 1; nextToken()) | |
| 2090 { | |
| 2091 PROT protection = PROT.PROTpublic; | |
| 2092 switch (token.value) | |
| 2093 { | |
| 2094 case TOK.TOKprivate: | |
| 2095 protection = PROT.PROTprivate; | |
| 2096 nextToken(); | |
| 2097 break; | |
| 2098 case TOK.TOKpackage: | |
| 2099 protection = PROT.PROTpackage; | |
| 2100 nextToken(); | |
| 2101 break; | |
| 2102 case TOK.TOKprotected: | |
| 2103 protection = PROT.PROTprotected; | |
| 2104 nextToken(); | |
| 2105 break; | |
| 2106 case TOK.TOKpublic: | |
| 2107 protection = PROT.PROTpublic; | |
| 2108 nextToken(); | |
| 2109 break; | |
| 2110 default: | |
| 2111 break; /// | |
| 2112 } | |
| 2113 if (token.value == TOK.TOKidentifier) | |
| 2114 { | |
| 2115 BaseClass b = new BaseClass(parseBasicType(), protection); | |
| 2116 baseclasses.push(cast(void*)b); | |
| 2117 if (token.value != TOK.TOKcomma) | |
| 2118 break; | |
| 2119 } | |
| 2120 else | |
| 2121 { | |
| 2122 error("base classes expected instead of %s", token.toChars()); | |
| 2123 return null; | |
| 2124 } | |
| 2125 } | |
| 2126 return baseclasses; | |
| 2127 } | |
| 2128 | |
| 2129 Import parseImport(Array decldefs, int isstatic) | |
| 2130 { | |
| 2131 Import s; | |
| 2132 Identifier id; | |
| 2133 Identifier aliasid = null; | |
| 2134 Array a; | |
| 2135 Loc loc; | |
| 2136 | |
| 2137 //printf("Parser.parseImport()\n"); | |
| 2138 do | |
| 2139 { | |
| 2140 L1: | |
| 2141 nextToken(); | |
| 2142 if (token.value != TOK.TOKidentifier) | |
| 2143 { | |
| 2144 error("Identifier expected following import"); | |
| 2145 break; | |
| 2146 } | |
| 2147 | |
| 2148 loc = this.loc; | |
| 2149 a = null; | |
| 2150 id = token.ident; | |
| 2151 nextToken(); | |
| 2152 if (!aliasid && token.value == TOK.TOKassign) | |
| 2153 { | |
| 2154 aliasid = id; | |
| 2155 goto L1; | |
| 2156 } | |
| 2157 while (token.value == TOK.TOKdot) | |
| 2158 { | |
| 2159 if (!a) | |
| 2160 a = new Array(); | |
| 2161 a.push(cast(void*)id); | |
| 2162 nextToken(); | |
| 2163 if (token.value != TOK.TOKidentifier) | |
| 2164 { | |
| 2165 error("identifier expected following package"); | |
| 2166 break; | |
| 2167 } | |
| 2168 id = token.ident; | |
| 2169 nextToken(); | |
| 2170 } | |
| 2171 | |
| 2172 s = new Import(loc, a, id, aliasid, isstatic); | |
| 2173 decldefs.push(cast(void*)s); | |
| 2174 | |
| 2175 /* Look for | |
| 2176 * : alias=name, alias=name; | |
| 2177 * syntax. | |
| 2178 */ | |
| 2179 if (token.value == TOK.TOKcolon) | |
| 2180 { | |
| 2181 do | |
| 2182 { | |
| 2183 Identifier name; | |
| 2184 | |
| 2185 nextToken(); | |
| 2186 if (token.value != TOK.TOKidentifier) | |
| 2187 { | |
| 2188 error("Identifier expected following :"); | |
| 2189 break; | |
| 2190 } | |
| 2191 Identifier alias_ = token.ident; | |
| 2192 nextToken(); | |
| 2193 if (token.value == TOK.TOKassign) | |
| 2194 { | |
| 2195 nextToken(); | |
| 2196 if (token.value != TOK.TOKidentifier) | |
| 2197 { | |
| 2198 error("Identifier expected following %s=", alias_.toChars()); | |
| 2199 break; | |
| 2200 } | |
| 2201 name = token.ident; | |
| 2202 nextToken(); | |
| 2203 } | |
| 2204 else | |
| 2205 { | |
| 2206 name = alias_; | |
| 2207 alias_ = null; | |
| 2208 } | |
| 2209 s.addAlias(name, alias_); | |
| 2210 } while (token.value == TOK.TOKcomma); | |
| 2211 | |
| 2212 break; // no comma-separated imports of this form | |
| 2213 } | |
| 2214 | |
| 2215 aliasid = null; | |
| 2216 | |
| 2217 } while (token.value == TOK.TOKcomma); | |
| 2218 | |
| 2219 if (token.value == TOK.TOKsemicolon) | |
| 2220 nextToken(); | |
| 2221 else | |
| 2222 { | |
| 2223 error("';' expected"); | |
| 2224 nextToken(); | |
| 2225 } | |
| 2226 | |
| 2227 return null; | |
| 2228 } | |
| 2229 | |
| 2230 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2231 { | |
| 2232 Type t; | |
| 2233 | |
| 2234 /* Take care of the storage class prefixes that | |
| 2235 * serve as type attributes: | |
| 2236 * const shared, shared const, const, invariant, shared | |
| 2237 */ | |
| 2238 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2239 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2240 { | |
| 2241 nextToken(); | |
| 2242 nextToken(); | |
| 2243 /* shared const type | |
| 2244 */ | |
| 2245 t = parseType(pident, tpl); | |
| 2246 t = t.makeSharedConst(); | |
| 2247 return t; | |
| 2248 } | |
| 2249 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2250 { | |
| 2251 nextToken(); | |
| 2252 /* const type | |
| 2253 */ | |
| 2254 t = parseType(pident, tpl); | |
| 2255 t = t.makeConst(); | |
| 2256 return t; | |
| 2257 } | |
| 2258 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2259 peekNext() != TOK.TOKlparen) | |
| 2260 { | |
| 2261 nextToken(); | |
| 2262 /* invariant type | |
| 2263 */ | |
| 2264 t = parseType(pident, tpl); | |
| 2265 t = t.makeInvariant(); | |
| 2266 return t; | |
| 2267 } | |
| 2268 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2269 { | |
| 2270 nextToken(); | |
| 2271 /* shared type | |
| 2272 */ | |
| 2273 t = parseType(pident, tpl); | |
| 2274 t = t.makeShared(); | |
| 2275 return t; | |
| 2276 } | |
| 2277 else | |
| 2278 t = parseBasicType(); | |
| 2279 t = parseDeclarator(t, pident, tpl); | |
| 2280 return t; | |
| 2281 } | |
| 2282 | |
| 2283 Type parseBasicType() | |
| 2284 { | |
| 2285 Type t; | |
| 2286 Identifier id; | |
| 2287 TypeQualified tid; | |
| 2288 | |
| 2289 //printf("parseBasicType()\n"); | |
| 2290 switch (token.value) | |
| 2291 { | |
| 2292 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2293 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2294 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2295 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2296 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2297 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2298 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2299 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2300 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2301 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2302 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2303 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2304 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2305 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2306 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2307 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2308 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2309 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2310 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2311 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2312 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2313 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2314 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2315 LabelX: | |
| 2316 nextToken(); | |
| 2317 break; | |
| 2318 | |
| 2319 case TOK.TOKidentifier: | |
| 2320 id = token.ident; | |
| 2321 nextToken(); | |
| 2322 if (token.value == TOK.TOKnot) | |
| 2323 { // ident!(template_arguments) | |
| 2324 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2325 nextToken(); | |
| 2326 if (token.value == TOK.TOKlparen) | |
| 2327 // ident!(template_arguments) | |
| 2328 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2329 else | |
| 2330 // ident!template_argument | |
| 2331 tempinst.tiargs = parseTemplateArgument(); | |
| 2332 tid = new TypeInstance(loc, tempinst); | |
| 2333 goto Lident2; | |
| 2334 } | |
| 2335 Lident: | |
| 2336 tid = new TypeIdentifier(loc, id); | |
| 2337 Lident2: | |
| 2338 while (token.value == TOK.TOKdot) | |
| 2339 { nextToken(); | |
| 2340 if (token.value != TOK.TOKidentifier) | |
| 2341 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2342 break; | |
| 2343 } | |
| 2344 id = token.ident; | |
| 2345 nextToken(); | |
| 2346 if (token.value == TOK.TOKnot) | |
| 2347 { | |
| 2348 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2349 nextToken(); | |
| 2350 if (token.value == TOK.TOKlparen) | |
| 2351 // ident!(template_arguments) | |
| 2352 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2353 else | |
| 2354 // ident!template_argument | |
| 2355 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2356 tid.addIdent(tempinst); |
| 0 | 2357 } |
| 2358 else | |
| 2359 tid.addIdent(id); | |
| 2360 } | |
| 2361 t = tid; | |
| 2362 break; | |
| 2363 | |
| 2364 case TOK.TOKdot: | |
| 2365 // Leading . as in .foo | |
| 2366 id = Id.empty; | |
| 2367 goto Lident; | |
| 2368 | |
| 2369 case TOK.TOKtypeof: | |
| 2370 // typeof(expression) | |
| 2371 tid = parseTypeof(); | |
| 2372 goto Lident2; | |
| 2373 | |
| 2374 case TOK.TOKconst: | |
| 2375 // const(type) | |
| 2376 nextToken(); | |
| 2377 check(TOK.TOKlparen); | |
| 2378 t = parseType(); | |
| 2379 check(TOK.TOKrparen); | |
| 2380 if (t.isShared()) | |
| 2381 t = t.makeSharedConst(); | |
| 2382 else | |
| 2383 t = t.makeConst(); | |
| 2384 break; | |
| 2385 | |
| 2386 case TOK.TOKinvariant: | |
| 2387 case TOK.TOKimmutable: | |
| 2388 // invariant(type) | |
| 2389 nextToken(); | |
| 2390 check(TOK.TOKlparen); | |
| 2391 t = parseType(); | |
| 2392 check(TOK.TOKrparen); | |
| 2393 t = t.makeInvariant(); | |
| 2394 break; | |
| 2395 | |
| 2396 case TOK.TOKshared: | |
| 2397 // shared(type) | |
| 2398 nextToken(); | |
| 2399 check(TOK.TOKlparen); | |
| 2400 t = parseType(); | |
| 2401 check(TOK.TOKrparen); | |
| 2402 if (t.isConst()) | |
| 2403 t = t.makeSharedConst(); | |
| 2404 else | |
| 2405 t = t.makeShared(); | |
| 2406 break; | |
| 2407 | |
| 2408 default: | |
| 2409 error("basic type expected, not %s", token.toChars()); | |
| 2410 t = Type.tint32; | |
| 2411 break; | |
| 2412 } | |
| 2413 return t; | |
| 2414 } | |
| 2415 | |
| 2416 Type parseBasicType2(Type t) | |
| 2417 { | |
| 2418 //printf("parseBasicType2()\n"); | |
| 2419 while (1) | |
| 2420 { | |
| 2421 switch (token.value) | |
| 2422 { | |
| 2423 case TOK.TOKmul: | |
| 2424 t = new TypePointer(t); | |
| 2425 nextToken(); | |
| 2426 continue; | |
| 2427 | |
| 2428 case TOK.TOKlbracket: | |
| 2429 // Handle []. Make sure things like | |
| 2430 // int[3][1] a; | |
| 2431 // is (array[1] of array[3] of int) | |
| 2432 nextToken(); | |
| 2433 if (token.value == TOK.TOKrbracket) | |
| 2434 { | |
| 2435 t = new TypeDArray(t); // [] | |
| 2436 nextToken(); | |
| 2437 } | |
| 2438 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2439 { // It's an associative array declaration | |
| 2440 | |
| 2441 //printf("it's an associative array\n"); | |
| 2442 Type index = parseType(); // [ type ] | |
| 2443 t = new TypeAArray(t, index); | |
| 2444 check(TOK.TOKrbracket); | |
| 2445 } | |
| 2446 else | |
| 2447 { | |
| 2448 //printf("it's type[expression]\n"); | |
| 2449 inBrackets++; | |
| 2450 Expression e = parseExpression(); // [ expression ] | |
| 2451 if (token.value == TOK.TOKslice) | |
| 2452 { | |
| 2453 nextToken(); | |
| 2454 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2455 t = new TypeSlice(t, e, e2); | |
| 2456 } | |
| 2457 else | |
| 2458 t = new TypeSArray(t,e); | |
| 2459 inBrackets--; | |
| 2460 check(TOK.TOKrbracket); | |
| 2461 } | |
| 2462 continue; | |
| 2463 | |
| 2464 case TOK.TOKdelegate: | |
| 2465 case TOK.TOKfunction: | |
| 2466 { // Handle delegate declaration: | |
| 2467 // t delegate(parameter list) nothrow pure | |
| 2468 // t function(parameter list) nothrow pure | |
| 2469 Arguments arguments; | |
| 2470 int varargs; | |
| 2471 bool ispure = false; | |
| 2472 bool isnothrow = false; | |
| 2473 TOK save = token.value; | |
| 2474 | |
| 2475 nextToken(); | |
| 2476 arguments = parseParameters(&varargs); | |
| 2477 while (1) | |
| 2478 { // Postfixes | |
| 2479 if (token.value == TOK.TOKpure) | |
| 2480 ispure = true; | |
| 2481 else if (token.value == TOK.TOKnothrow) | |
| 2482 isnothrow = true; | |
| 2483 else | |
| 2484 break; | |
| 2485 nextToken(); | |
| 2486 } | |
| 2487 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2488 tf.ispure = ispure; | |
| 2489 tf.isnothrow = isnothrow; | |
| 2490 if (save == TOK.TOKdelegate) | |
| 2491 t = new TypeDelegate(tf); | |
| 2492 else | |
| 2493 t = new TypePointer(tf); // pointer to function | |
| 2494 continue; | |
| 2495 } | |
| 2496 | |
| 2497 default: | |
| 2498 return t; | |
| 2499 } | |
| 2500 assert(0); | |
| 2501 } | |
| 2502 assert(0); | |
| 2503 return null; | |
| 2504 } | |
| 2505 | |
| 2506 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2507 { | |
| 2508 Type ts; | |
| 2509 | |
| 2510 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2511 t = parseBasicType2(t); | |
| 2512 | |
| 2513 switch (token.value) | |
| 2514 { | |
| 2515 | |
| 2516 case TOK.TOKidentifier: | |
| 2517 if (pident) | |
| 2518 *pident = token.ident; | |
| 2519 else | |
| 2520 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2521 ts = t; | |
| 2522 nextToken(); | |
| 2523 break; | |
| 2524 | |
| 2525 case TOK.TOKlparen: | |
| 2526 /* Parse things with parentheses around the identifier, like: | |
| 2527 * int (*ident[3])[] | |
| 2528 * although the D style would be: | |
| 2529 * int[]*[3] ident | |
| 2530 */ | |
| 2531 nextToken(); | |
| 2532 ts = parseDeclarator(t, pident); | |
| 2533 check(TOK.TOKrparen); | |
| 2534 break; | |
| 2535 | |
| 2536 default: | |
| 2537 ts = t; | |
| 2538 break; | |
| 2539 } | |
| 2540 | |
| 2541 // parse DeclaratorSuffixes | |
| 2542 while (1) | |
| 2543 { | |
| 2544 switch (token.value) | |
| 2545 { | |
| 2546 version (CARRAYDECL) { | |
| 2547 /* Support C style array syntax: | |
| 2548 * int ident[] | |
| 2549 * as opposed to D-style: | |
| 2550 * int[] ident | |
| 2551 */ | |
| 2552 case TOK.TOKlbracket: | |
| 2553 { // This is the old C-style post [] syntax. | |
| 2554 TypeNext ta; | |
| 2555 nextToken(); | |
| 2556 if (token.value == TOK.TOKrbracket) | |
| 2557 { // It's a dynamic array | |
| 2558 ta = new TypeDArray(t); // [] | |
| 2559 nextToken(); | |
| 2560 } | |
| 2561 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2562 { // It's an associative array | |
| 2563 | |
| 2564 //printf("it's an associative array\n"); | |
| 2565 Type index = parseType(); // [ type ] | |
| 2566 check(TOK.TOKrbracket); | |
| 2567 ta = new TypeAArray(t, index); | |
| 2568 } | |
| 2569 else | |
| 2570 { | |
| 2571 //printf("It's a static array\n"); | |
| 2572 Expression e = parseExpression(); // [ expression ] | |
| 2573 ta = new TypeSArray(t, e); | |
| 2574 check(TOK.TOKrbracket); | |
| 2575 } | |
| 2576 | |
| 2577 /* Insert ta into | |
| 2578 * ts . ... . t | |
| 2579 * so that | |
| 2580 * ts . ... . ta . t | |
| 2581 */ | |
| 2582 Type* pt; | |
| 2583 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2584 ; | |
| 2585 } | |
| 2586 *pt = ta; | |
| 2587 continue; | |
| 2588 } | |
| 2589 } | |
| 2590 case TOK.TOKlparen: | |
| 2591 { | |
| 2592 if (tpl) | |
| 2593 { | |
| 2594 /* Look ahead to see if this is (...)(...), | |
| 2595 * i.e. a function template declaration | |
| 2596 */ | |
| 2597 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2598 { | |
| 2599 //printf("function template declaration\n"); | |
| 2600 | |
| 2601 // Gather template parameter list | |
| 2602 *tpl = parseTemplateParameterList(); | |
| 2603 } | |
| 2604 } | |
| 2605 | |
| 2606 int varargs; | |
| 2607 Arguments arguments = parseParameters(&varargs); | |
| 2608 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2609 | |
| 2610 /* Parse const/invariant/nothrow/pure postfix | |
| 2611 */ | |
| 2612 while (1) | |
| 2613 { | |
| 2614 switch (token.value) | |
| 2615 { | |
| 2616 case TOK.TOKconst: | |
| 2617 if (tf.isShared()) | |
| 2618 tf = tf.makeSharedConst(); | |
| 2619 else | |
| 2620 tf = tf.makeConst(); | |
| 2621 nextToken(); | |
| 2622 continue; | |
| 2623 | |
| 2624 case TOK.TOKinvariant: | |
| 2625 case TOK.TOKimmutable: | |
| 2626 tf = tf.makeInvariant(); | |
| 2627 nextToken(); | |
| 2628 continue; | |
| 2629 | |
| 2630 case TOK.TOKshared: | |
| 2631 if (tf.isConst()) | |
| 2632 tf = tf.makeSharedConst(); | |
| 2633 else | |
| 2634 tf = tf.makeShared(); | |
| 2635 nextToken(); | |
| 2636 continue; | |
| 2637 | |
| 2638 case TOK.TOKnothrow: | |
| 2639 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2640 nextToken(); | |
| 2641 continue; | |
| 2642 | |
| 2643 case TOK.TOKpure: | |
| 2644 (cast(TypeFunction)tf).ispure = 1; | |
| 2645 nextToken(); | |
| 2646 continue; | |
| 2647 | |
| 2648 case TOK.TOKat: | |
| 2649 nextToken(); | |
| 2650 if (token.value != TOK.TOKidentifier) | |
| 2651 { error("attribute identifier expected"); | |
| 2652 nextToken(); | |
| 2653 continue; | |
| 2654 } | |
| 2655 Identifier id = token.ident; | |
| 2656 if (id is Id.property) | |
| 2657 (cast(TypeFunction)tf).ispure = 1; | |
| 2658 else | |
| 2659 error("valid attribute identifiers are property, not %s", id.toChars()); | |
| 2660 nextToken(); | |
| 2661 continue; | |
| 2662 default: | |
| 2663 break; /// | |
| 2664 } | |
| 2665 break; | |
| 2666 } | |
| 2667 | |
| 2668 /* Insert tf into | |
| 2669 * ts . ... . t | |
| 2670 * so that | |
| 2671 * ts . ... . tf . t | |
| 2672 */ | |
| 2673 Type* pt; | |
| 2674 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2675 ; | |
| 2676 } | |
| 2677 *pt = tf; | |
| 2678 break; | |
| 2679 } | |
| 2680 | |
| 2681 default: | |
| 2682 break; /// | |
| 2683 } | |
| 2684 break; | |
| 2685 } | |
| 2686 | |
| 2687 return ts; | |
| 2688 } | |
| 2689 | |
| 2690 Array parseDeclarations(STC storage_class) | |
| 2691 { | |
| 2692 STC stc; | |
| 2693 Type ts; | |
| 2694 Type t; | |
| 2695 Type tfirst; | |
| 2696 Identifier ident; | |
| 2697 Array a; | |
| 2698 TOK tok = TOK.TOKreserved; | |
| 2699 ubyte* comment = token.blockComment; | |
| 2700 LINK link = linkage; | |
| 2701 | |
| 2702 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2703 if (storage_class) | |
| 2704 { ts = null; // infer type | |
| 2705 goto L2; | |
| 2706 } | |
| 2707 | |
| 2708 switch (token.value) | |
| 2709 { | |
| 2710 case TOK.TOKalias: | |
| 2711 /* Look for: | |
| 2712 * alias identifier this; | |
| 2713 */ | |
| 2714 tok = token.value; | |
| 2715 nextToken(); | |
| 2716 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2717 { | |
| 2718 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2719 nextToken(); | |
| 2720 check(TOK.TOKthis); | |
| 2721 check(TOK.TOKsemicolon); | |
| 2722 a = new Array(); | |
| 2723 a.push(cast(void*)s); | |
| 2724 addComment(s, comment); | |
| 2725 return a; | |
| 2726 } | |
| 2727 break; | |
| 2728 case TOK.TOKtypedef: | |
| 2729 tok = token.value; | |
| 2730 nextToken(); | |
| 2731 break; | |
| 2732 default: | |
| 2733 break; | |
| 2734 } | |
| 2735 | |
| 2736 storage_class = STC.STCundefined; | |
| 2737 while (1) | |
| 2738 { | |
| 2739 switch (token.value) | |
| 2740 { | |
| 2741 case TOK.TOKconst: | |
| 2742 if (peek(&token).value == TOK.TOKlparen) | |
| 2743 break; // const as type constructor | |
| 2744 stc = STC.STCconst; // const as storage class | |
| 2745 goto L1; | |
| 2746 | |
| 2747 case TOK.TOKinvariant: | |
| 2748 case TOK.TOKimmutable: | |
| 2749 if (peek(&token).value == TOK.TOKlparen) | |
| 2750 break; | |
| 2751 stc = STC.STCimmutable; | |
| 2752 goto L1; | |
| 2753 | |
| 2754 case TOK.TOKshared: | |
| 2755 if (peek(&token).value == TOK.TOKlparen) | |
| 2756 break; | |
| 2757 stc = STC.STCshared; | |
| 2758 goto L1; | |
| 2759 | |
| 2760 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2761 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2762 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2763 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2764 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2765 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2766 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2767 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2768 version (DMDV2) { | |
| 2769 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2770 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2771 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2772 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2773 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2774 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2775 } | |
| 2776 L1: | |
| 2777 if (storage_class & stc) | |
| 2778 error("redundant storage class '%s'", token.toChars()); | |
| 2779 storage_class = (storage_class | stc); | |
| 2780 composeStorageClass(storage_class); | |
| 2781 nextToken(); | |
| 2782 continue; | |
| 2783 | |
| 2784 case TOK.TOKextern: | |
| 2785 if (peek(&token).value != TOK.TOKlparen) | |
| 2786 { stc = STC.STCextern; | |
| 2787 goto L1; | |
| 2788 } | |
| 2789 | |
| 2790 link = parseLinkage(); | |
| 2791 continue; | |
| 2792 | |
| 2793 default: | |
| 2794 break; | |
| 2795 } | |
| 2796 break; | |
| 2797 } | |
| 2798 | |
| 2799 /* Look for auto initializers: | |
| 2800 * storage_class identifier = initializer; | |
| 2801 */ | |
| 2802 if (storage_class && | |
| 2803 token.value == TOK.TOKidentifier && | |
| 2804 peek(&token).value == TOK.TOKassign) | |
| 2805 { | |
| 2806 return parseAutoDeclarations(storage_class, comment); | |
| 2807 } | |
| 2808 | |
| 2809 if (token.value == TOK.TOKclass) | |
| 2810 { | |
| 2811 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2812 s.storage_class |= storage_class; | |
| 2813 a = new Array(); | |
| 2814 a.push(cast(void*)s); | |
| 2815 addComment(s, comment); | |
| 2816 return a; | |
| 2817 } | |
| 2818 | |
| 2819 /* Look for return type inference for template functions. | |
| 2820 */ | |
| 2821 { | |
| 2822 Token *tk; | |
| 2823 if (storage_class && | |
| 2824 token.value == TOK.TOKidentifier && | |
| 2825 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2826 skipParens(tk, &tk) && | |
| 2827 peek(tk).value == TOK.TOKlparen) | |
| 2828 { | |
| 2829 ts = null; | |
| 2830 } | |
| 2831 else | |
| 2832 { | |
| 2833 ts = parseBasicType(); | |
| 2834 ts = parseBasicType2(ts); | |
| 2835 } | |
| 2836 } | |
| 2837 | |
| 2838 L2: | |
| 2839 tfirst = null; | |
| 2840 a = new Array(); | |
| 2841 | |
| 2842 while (1) | |
| 2843 { | |
| 2844 Loc loc = this.loc; | |
| 2845 TemplateParameters tpl = null; | |
| 2846 | |
| 2847 ident = null; | |
| 2848 t = parseDeclarator(ts, &ident, &tpl); | |
| 2849 assert(t); | |
| 2850 if (!tfirst) | |
| 2851 tfirst = t; | |
| 2852 else if (t != tfirst) | |
| 2853 error("multiple declarations must have the same type, not %s and %s", | |
| 2854 tfirst.toChars(), t.toChars()); | |
| 2855 if (!ident) | |
| 2856 error("no identifier for declarator %s", t.toChars()); | |
| 2857 | |
| 2858 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2859 { Declaration v; | |
| 2860 Initializer init = null; | |
| 2861 | |
| 2862 if (token.value == TOK.TOKassign) | |
| 2863 { | |
| 2864 nextToken(); | |
| 2865 init = parseInitializer(); | |
| 2866 } | |
| 2867 if (tok == TOK.TOKtypedef) | |
| 2868 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2869 else | |
| 2870 { if (init) | |
| 2871 error("alias cannot have initializer"); | |
| 2872 v = new AliasDeclaration(loc, ident, t); | |
| 2873 } | |
| 2874 v.storage_class = storage_class; | |
| 2875 if (link == linkage) | |
| 2876 a.push(cast(void*)v); | |
| 2877 else | |
| 2878 { | |
| 2879 Array ax = new Array(); | |
| 2880 ax.push(cast(void*)v); | |
| 2881 Dsymbol s = new LinkDeclaration(link, ax); | |
| 2882 a.push(cast(void*)s); | |
| 2883 } | |
| 2884 switch (token.value) | |
| 2885 { case TOK.TOKsemicolon: | |
| 2886 nextToken(); | |
| 2887 addComment(v, comment); | |
| 2888 break; | |
| 2889 | |
| 2890 case TOK.TOKcomma: | |
| 2891 nextToken(); | |
| 2892 addComment(v, comment); | |
| 2893 continue; | |
| 2894 | |
| 2895 default: | |
| 2896 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2897 break; | |
| 2898 } | |
| 2899 } | |
| 2900 else if (t.ty == TY.Tfunction) | |
| 2901 { | |
| 2902 TypeFunction tf = cast(TypeFunction)t; | |
| 2903 Expression constraint = null; | |
| 2904 static if (false) { | |
| 2905 if (Argument.isTPL(tf.parameters)) | |
| 2906 { | |
| 2907 if (!tpl) | |
| 2908 tpl = new TemplateParameters(); | |
| 2909 } | |
| 2910 } | |
| 2911 FuncDeclaration f = | |
| 2912 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2913 addComment(f, comment); | |
| 2914 if (tpl) | |
| 2915 constraint = parseConstraint(); | |
| 2916 parseContracts(f); | |
| 2917 addComment(f, null); | |
| 2918 Dsymbol s; | |
| 2919 if (link == linkage) | |
| 2920 { | |
| 2921 s = f; | |
| 2922 } | |
| 2923 else | |
| 2924 { | |
| 2925 Array ax = new Array(); | |
| 2926 ax.push(cast(void*)f); | |
| 2927 s = new LinkDeclaration(link, ax); | |
| 2928 } | |
| 2929 /* A template parameter list means it's a function template | |
| 2930 */ | |
| 2931 if (tpl) | |
| 2932 { | |
| 2933 // Wrap a template around the function declaration | |
| 2934 Array decldefs = new Array(); | |
| 2935 decldefs.push(cast(void*)s); | |
| 2936 TemplateDeclaration tempdecl = | |
| 2937 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); | |
| 2938 s = tempdecl; | |
| 2939 } | |
| 2940 addComment(s, comment); | |
| 2941 a.push(cast(void*)s); | |
| 2942 } | |
| 2943 else | |
| 2944 { | |
| 2945 Initializer init = null; | |
| 2946 if (token.value == TOK.TOKassign) | |
| 2947 { | |
| 2948 nextToken(); | |
| 2949 init = parseInitializer(); | |
| 2950 } | |
| 2951 | |
| 2952 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2953 v.storage_class = storage_class; | |
| 2954 if (link == linkage) | |
| 2955 a.push(cast(void*)v); | |
| 2956 else | |
| 2957 { | |
| 2958 Array ax = new Array(); | |
| 2959 ax.push(cast(void*)v); | |
| 2960 Dsymbol s = new LinkDeclaration(link, ax); | |
| 2961 a.push(cast(void*)s); | |
| 2962 } | |
| 2963 switch (token.value) | |
| 2964 { case TOK.TOKsemicolon: | |
| 2965 nextToken(); | |
| 2966 addComment(v, comment); | |
| 2967 break; | |
| 2968 | |
| 2969 case TOK.TOKcomma: | |
| 2970 nextToken(); | |
| 2971 addComment(v, comment); | |
| 2972 continue; | |
| 2973 | |
| 2974 default: | |
| 2975 error("semicolon expected, not '%s'", token.toChars()); | |
| 2976 break; | |
| 2977 } | |
| 2978 } | |
| 2979 break; | |
| 2980 } | |
| 2981 return a; | |
| 2982 } | |
| 2983 | |
| 2984 void parseContracts(FuncDeclaration f) | |
| 2985 { | |
| 2986 Type tb; | |
| 2987 LINK linksave = linkage; | |
| 2988 | |
| 2989 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 2990 // TypeFunction.semantic | |
| 2991 linkage = LINK.LINKd; // nested functions have D linkage | |
| 2992 L1: | |
| 2993 switch (token.value) | |
| 2994 { | |
| 2995 case TOK.TOKlcurly: | |
| 2996 if (f.frequire || f.fensure) | |
| 2997 error("missing body { ... } after in or out"); | |
| 2998 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 2999 f.endloc = endloc; | |
| 3000 break; | |
| 3001 | |
| 3002 case TOK.TOKbody: | |
| 3003 nextToken(); | |
| 3004 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3005 f.endloc = endloc; | |
| 3006 break; | |
| 3007 | |
| 3008 case TOK.TOKsemicolon: | |
| 3009 if (f.frequire || f.fensure) | |
| 3010 error("missing body { ... } after in or out"); | |
| 3011 nextToken(); | |
| 3012 break; | |
| 3013 | |
| 3014 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3015 // int x, y, foo(), z; | |
| 3016 case TOK.TOKcomma: | |
| 3017 nextToken(); | |
| 3018 continue; | |
| 3019 } | |
| 3020 | |
| 3021 static if (false) { // Dumped feature | |
| 3022 case TOK.TOKthrow: | |
| 3023 if (!f.fthrows) | |
| 3024 f.fthrows = new Array(); | |
| 3025 nextToken(); | |
| 3026 check(TOK.TOKlparen); | |
| 3027 while (1) | |
| 3028 { | |
| 3029 tb = parseBasicType(); | |
| 3030 f.fthrows.push(tb); | |
| 3031 if (token.value == TOK.TOKcomma) | |
| 3032 { nextToken(); | |
| 3033 continue; | |
| 3034 } | |
| 3035 break; | |
| 3036 } | |
| 3037 check(TOK.TOKrparen); | |
| 3038 goto L1; | |
| 3039 } | |
| 3040 | |
| 3041 case TOK.TOKin: | |
| 3042 nextToken(); | |
| 3043 if (f.frequire) | |
| 3044 error("redundant 'in' statement"); | |
| 3045 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3046 goto L1; | |
| 3047 | |
| 3048 case TOK.TOKout: | |
| 3049 // parse: out (identifier) { statement } | |
| 3050 nextToken(); | |
| 3051 if (token.value != TOK.TOKlcurly) | |
| 3052 { | |
| 3053 check(TOK.TOKlparen); | |
| 3054 if (token.value != TOK.TOKidentifier) | |
| 3055 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3056 f.outId = token.ident; | |
| 3057 nextToken(); | |
| 3058 check(TOK.TOKrparen); | |
| 3059 } | |
| 3060 if (f.fensure) | |
| 3061 error("redundant 'out' statement"); | |
| 3062 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3063 goto L1; | |
| 3064 | |
| 3065 default: | |
| 3066 error("semicolon expected following function declaration"); | |
| 3067 break; | |
| 3068 } | |
| 3069 linkage = linksave; | |
| 3070 } | |
| 3071 | |
| 3072 Statement parseStatement(ParseStatementFlags flags) | |
| 3073 { | |
| 3074 Statement s; | |
| 3075 Token* t; | |
| 3076 Condition condition; | |
| 3077 Statement ifbody; | |
| 3078 Statement elsebody; | |
| 3079 bool isfinal; | |
| 3080 Loc loc = this.loc; | |
| 3081 | |
| 3082 //printf("parseStatement()\n"); | |
| 3083 | |
| 3084 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3085 error("statement expected to be { }, not %s", token.toChars()); | |
| 3086 | |
| 3087 switch (token.value) | |
| 3088 { | |
| 3089 case TOK.TOKidentifier: | |
| 3090 /* A leading identifier can be a declaration, label, or expression. | |
| 3091 * The easiest case to check first is label: | |
| 3092 */ | |
| 3093 t = peek(&token); | |
| 3094 if (t.value == TOK.TOKcolon) | |
| 3095 { // It's a label | |
| 3096 | |
| 3097 Identifier ident = token.ident; | |
| 3098 nextToken(); | |
| 3099 nextToken(); | |
| 3100 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3101 s = new LabelStatement(loc, ident, s); | |
| 3102 break; | |
| 3103 } | |
| 3104 // fallthrough to TOK.TOKdot | |
| 3105 case TOK.TOKdot: | |
| 3106 case TOK.TOKtypeof: | |
| 3107 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3108 goto Ldeclaration; | |
| 3109 else | |
| 3110 goto Lexp; | |
| 3111 break; | |
| 3112 | |
| 3113 case TOK.TOKassert: | |
| 3114 case TOK.TOKthis: | |
| 3115 case TOK.TOKsuper: | |
| 3116 case TOK.TOKint32v: | |
| 3117 case TOK.TOKuns32v: | |
| 3118 case TOK.TOKint64v: | |
| 3119 case TOK.TOKuns64v: | |
| 3120 case TOK.TOKfloat32v: | |
| 3121 case TOK.TOKfloat64v: | |
| 3122 case TOK.TOKfloat80v: | |
| 3123 case TOK.TOKimaginary32v: | |
| 3124 case TOK.TOKimaginary64v: | |
| 3125 case TOK.TOKimaginary80v: | |
| 3126 case TOK.TOKcharv: | |
| 3127 case TOK.TOKwcharv: | |
| 3128 case TOK.TOKdcharv: | |
| 3129 case TOK.TOKnull: | |
| 3130 case TOK.TOKtrue: | |
| 3131 case TOK.TOKfalse: | |
| 3132 case TOK.TOKstring: | |
| 3133 case TOK.TOKlparen: | |
| 3134 case TOK.TOKcast: | |
| 3135 case TOK.TOKmul: | |
| 3136 case TOK.TOKmin: | |
| 3137 case TOK.TOKadd: | |
| 3138 case TOK.TOKplusplus: | |
| 3139 case TOK.TOKminusminus: | |
| 3140 case TOK.TOKnew: | |
| 3141 case TOK.TOKdelete: | |
| 3142 case TOK.TOKdelegate: | |
| 3143 case TOK.TOKfunction: | |
| 3144 case TOK.TOKtypeid: | |
| 3145 case TOK.TOKis: | |
| 3146 case TOK.TOKlbracket: | |
| 3147 version (DMDV2) { | |
| 3148 case TOK.TOKtraits: | |
| 3149 case TOK.TOKfile: | |
| 3150 case TOK.TOKline: | |
| 3151 } | |
| 3152 Lexp: | |
| 3153 { Expression exp; | |
| 3154 | |
| 3155 exp = parseExpression(); | |
| 3156 check(TOK.TOKsemicolon, "statement"); | |
| 3157 s = new ExpStatement(loc, exp); | |
| 3158 break; | |
| 3159 } | |
| 3160 | |
| 3161 case TOK.TOKstatic: | |
| 3162 { // Look ahead to see if it's static assert() or static if() | |
| 3163 Token *tt; | |
| 3164 | |
| 3165 tt = peek(&token); | |
| 3166 if (tt.value == TOK.TOKassert) | |
| 3167 { | |
| 3168 nextToken(); | |
| 3169 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3170 break; | |
| 3171 } | |
| 3172 if (tt.value == TOK.TOKif) | |
| 3173 { | |
| 3174 nextToken(); | |
| 3175 condition = parseStaticIfCondition(); | |
| 3176 goto Lcondition; | |
| 3177 } | |
| 3178 goto Ldeclaration; | |
| 3179 } | |
| 3180 | |
| 3181 case TOK.TOKfinal: | |
| 3182 if (peekNext() == TOK.TOKswitch) | |
| 3183 { | |
| 3184 nextToken(); | |
| 3185 isfinal = true; | |
| 3186 goto Lswitch; | |
| 3187 } | |
| 3188 goto Ldeclaration; | |
| 3189 | |
| 3190 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3191 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3192 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3193 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3194 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3195 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3196 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3197 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3198 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3199 case TOK.TOKvoid: | |
| 3200 case TOK.TOKtypedef: | |
| 3201 case TOK.TOKalias: | |
| 3202 case TOK.TOKconst: | |
| 3203 case TOK.TOKauto: | |
| 3204 case TOK.TOKextern: | |
| 3205 case TOK.TOKinvariant: | |
| 3206 version (DMDV2) { | |
| 3207 case TOK.TOKimmutable: | |
| 3208 case TOK.TOKshared: | |
| 3209 case TOK.TOKnothrow: | |
| 3210 case TOK.TOKpure: | |
| 3211 case TOK.TOKtls: | |
| 3212 case TOK.TOKgshared: | |
| 3213 } | |
| 3214 // case TOK.TOKtypeof: | |
| 3215 Ldeclaration: | |
| 3216 { Array a; | |
| 3217 | |
| 3218 a = parseDeclarations(STC.STCundefined); | |
| 3219 if (a.dim > 1) | |
| 3220 { | |
| 3221 Statements as = new Statements(); | |
| 3222 as.reserve(a.dim); | |
| 3223 for (int i = 0; i < a.dim; i++) | |
| 3224 { | |
| 3225 Dsymbol d = cast(Dsymbol)a.data[i]; | |
| 3226 s = new DeclarationStatement(loc, d); | |
| 3227 as.push(cast(void*)s); | |
| 3228 } | |
| 3229 s = new CompoundDeclarationStatement(loc, as); | |
| 3230 } | |
| 3231 else if (a.dim == 1) | |
| 3232 { | |
| 3233 Dsymbol d = cast(Dsymbol)a.data[0]; | |
| 3234 s = new DeclarationStatement(loc, d); | |
| 3235 } | |
| 3236 else | |
| 3237 assert(0); | |
| 3238 if (flags & ParseStatementFlags.PSscope) | |
| 3239 s = new ScopeStatement(loc, s); | |
| 3240 break; | |
| 3241 } | |
| 3242 | |
| 3243 case TOK.TOKstruct: | |
| 3244 case TOK.TOKunion: | |
| 3245 case TOK.TOKclass: | |
| 3246 case TOK.TOKinterface: | |
| 3247 { Dsymbol d; | |
| 3248 | |
| 3249 d = parseAggregate(); | |
| 3250 s = new DeclarationStatement(loc, d); | |
| 3251 break; | |
| 3252 } | |
| 3253 | |
| 3254 case TOK.TOKenum: | |
| 3255 { /* Determine if this is a manifest constant declaration, | |
| 3256 * or a conventional enum. | |
| 3257 */ | |
| 3258 Dsymbol d; | |
| 3259 Token* tt = peek(&token); | |
| 3260 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3261 d = parseEnum(); | |
| 3262 else if (tt.value != TOK.TOKidentifier) | |
| 3263 goto Ldeclaration; | |
| 3264 else | |
| 3265 { | |
| 3266 tt = peek(tt); | |
| 3267 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3268 tt.value == TOK.TOKsemicolon) | |
| 3269 d = parseEnum(); | |
| 3270 else | |
| 3271 goto Ldeclaration; | |
| 3272 } | |
| 3273 s = new DeclarationStatement(loc, d); | |
| 3274 break; | |
| 3275 } | |
| 3276 | |
| 3277 case TOK.TOKmixin: | |
| 3278 { t = peek(&token); | |
| 3279 if (t.value == TOK.TOKlparen) | |
| 3280 { // mixin(string) | |
| 3281 nextToken(); | |
| 3282 check(TOK.TOKlparen, "mixin"); | |
| 3283 Expression e = parseAssignExp(); | |
| 3284 check(TOK.TOKrparen); | |
| 3285 check(TOK.TOKsemicolon); | |
| 3286 s = new CompileStatement(loc, e); | |
| 3287 break; | |
| 3288 } | |
| 3289 Dsymbol d = parseMixin(); | |
| 3290 s = new DeclarationStatement(loc, d); | |
| 3291 break; | |
| 3292 } | |
| 3293 | |
| 3294 case TOK.TOKlcurly: | |
| 3295 { Statements statements; | |
| 3296 | |
| 3297 nextToken(); | |
| 3298 statements = new Statements(); | |
| 3299 while (token.value != TOK.TOKrcurly) | |
| 3300 { | |
| 3301 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3302 } | |
| 3303 endloc = this.loc; | |
| 3304 s = new CompoundStatement(loc, statements); | |
| 3305 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3306 s = new ScopeStatement(loc, s); | |
| 3307 nextToken(); | |
| 3308 break; | |
| 3309 } | |
| 3310 | |
| 3311 case TOK.TOKwhile: | |
| 3312 { Expression condition2; | |
| 3313 Statement body_; | |
| 3314 | |
| 3315 nextToken(); | |
| 3316 check(TOK.TOKlparen); | |
| 3317 condition2 = parseExpression(); | |
| 3318 check(TOK.TOKrparen); | |
| 3319 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3320 s = new WhileStatement(loc, condition2, body_); | |
| 3321 break; | |
| 3322 } | |
| 3323 | |
| 3324 case TOK.TOKsemicolon: | |
| 3325 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3326 error("use '{ }' for an empty statement, not a ';'"); | |
| 3327 nextToken(); | |
| 3328 s = new ExpStatement(loc, null); | |
| 3329 break; | |
| 3330 | |
| 3331 case TOK.TOKdo: | |
| 3332 { Statement body_; | |
| 3333 Expression condition2; | |
| 3334 | |
| 3335 nextToken(); | |
| 3336 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3337 check(TOK.TOKwhile); | |
| 3338 check(TOK.TOKlparen); | |
| 3339 condition2 = parseExpression(); | |
| 3340 check(TOK.TOKrparen); | |
| 3341 s = new DoStatement(loc, body_, condition2); | |
| 3342 break; | |
| 3343 } | |
| 3344 | |
| 3345 case TOK.TOKfor: | |
| 3346 { | |
| 3347 Statement init; | |
| 3348 Expression condition2; | |
| 3349 Expression increment; | |
| 3350 Statement body_; | |
| 3351 | |
| 3352 nextToken(); | |
| 3353 check(TOK.TOKlparen); | |
| 3354 if (token.value == TOK.TOKsemicolon) | |
| 3355 { init = null; | |
| 3356 nextToken(); | |
| 3357 } | |
| 3358 else | |
| 3359 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3360 } | |
| 3361 if (token.value == TOK.TOKsemicolon) | |
| 3362 { | |
| 3363 condition2 = null; | |
| 3364 nextToken(); | |
| 3365 } | |
| 3366 else | |
| 3367 { | |
| 3368 condition2 = parseExpression(); | |
| 3369 check(TOK.TOKsemicolon, "for condition"); | |
| 3370 } | |
| 3371 if (token.value == TOK.TOKrparen) | |
| 3372 { increment = null; | |
| 3373 nextToken(); | |
| 3374 } | |
| 3375 else | |
| 3376 { increment = parseExpression(); | |
| 3377 check(TOK.TOKrparen); | |
| 3378 } | |
| 3379 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3380 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3381 if (init) | |
| 3382 s = new ScopeStatement(loc, s); | |
| 3383 break; | |
| 3384 } | |
| 3385 | |
| 3386 case TOK.TOKforeach: | |
| 3387 case TOK.TOKforeach_reverse: | |
| 3388 { | |
| 3389 TOK op = token.value; | |
| 3390 Arguments arguments; | |
| 3391 | |
| 3392 Statement d; | |
| 3393 Statement body_; | |
| 3394 Expression aggr; | |
| 3395 | |
| 3396 nextToken(); | |
| 3397 check(TOK.TOKlparen); | |
| 3398 | |
| 3399 arguments = new Arguments(); | |
| 3400 | |
| 3401 while (1) | |
| 3402 { | |
| 3403 Type tb; | |
| 3404 Identifier ai = null; | |
| 3405 Type at; | |
| 3406 STC storageClass = STC.STCundefined; | |
| 3407 Argument a; | |
| 3408 | |
| 3409 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3410 { storageClass = STC.STCref; | |
| 3411 nextToken(); | |
| 3412 } | |
| 3413 if (token.value == TOK.TOKidentifier) | |
| 3414 { | |
| 3415 Token *tt = peek(&token); | |
| 3416 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3417 { ai = token.ident; | |
| 3418 at = null; // infer argument type | |
| 3419 nextToken(); | |
| 3420 goto Larg; | |
| 3421 } | |
| 3422 } | |
| 3423 at = parseType(&ai); | |
| 3424 if (!ai) | |
| 3425 error("no identifier for declarator %s", at.toChars()); | |
| 3426 Larg: | |
| 3427 a = new Argument(storageClass, at, ai, null); | |
| 3428 arguments.push(cast(void*)a); | |
| 3429 if (token.value == TOK.TOKcomma) | |
| 3430 { nextToken(); | |
| 3431 continue; | |
| 3432 } | |
| 3433 break; | |
| 3434 } | |
| 3435 check(TOK.TOKsemicolon); | |
| 3436 | |
| 3437 aggr = parseExpression(); | |
| 3438 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3439 { | |
| 3440 Argument a = cast(Argument)arguments.data[0]; | |
| 3441 delete arguments; | |
| 3442 nextToken(); | |
| 3443 Expression upr = parseExpression(); | |
| 3444 check(TOK.TOKrparen); | |
| 3445 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3446 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3447 } | |
| 3448 else | |
| 3449 { | |
| 3450 check(TOK.TOKrparen); | |
| 3451 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3452 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3453 } | |
| 3454 break; | |
| 3455 } | |
| 3456 | |
| 3457 case TOK.TOKif: | |
| 3458 { Argument arg = null; | |
| 3459 Expression condition2; | |
| 3460 Statement ifbody2; | |
| 3461 Statement elsebody2; | |
| 3462 | |
| 3463 nextToken(); | |
| 3464 check(TOK.TOKlparen); | |
| 3465 | |
| 3466 if (token.value == TOK.TOKauto) | |
| 3467 { | |
| 3468 nextToken(); | |
| 3469 if (token.value == TOK.TOKidentifier) | |
| 3470 { | |
| 3471 Token *tt = peek(&token); | |
| 3472 if (tt.value == TOK.TOKassign) | |
| 3473 { | |
| 3474 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3475 nextToken(); | |
| 3476 nextToken(); | |
| 3477 } | |
| 3478 else | |
| 3479 { error("= expected following auto identifier"); | |
| 3480 goto Lerror; | |
| 3481 } | |
| 3482 } | |
| 3483 else | |
| 3484 { error("identifier expected following auto"); | |
| 3485 goto Lerror; | |
| 3486 } | |
| 3487 } | |
| 3488 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3489 { | |
| 3490 Type at; | |
| 3491 Identifier ai; | |
| 3492 | |
| 3493 at = parseType(&ai); | |
| 3494 check(TOK.TOKassign); | |
| 3495 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3496 } | |
| 3497 | |
| 3498 // Check for " ident;" | |
| 3499 else if (token.value == TOK.TOKidentifier) | |
| 3500 { | |
| 3501 Token *tt = peek(&token); | |
| 3502 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3503 { | |
| 3504 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3505 nextToken(); | |
| 3506 nextToken(); | |
| 3507 if (1 || !global.params.useDeprecated) | |
| 3508 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3509 } | |
| 3510 } | |
| 3511 | |
| 3512 condition2 = parseExpression(); | |
| 3513 check(TOK.TOKrparen); | |
| 3514 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3515 if (token.value == TOK.TOKelse) | |
| 3516 { | |
| 3517 nextToken(); | |
| 3518 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3519 } | |
| 3520 else | |
| 3521 elsebody2 = null; | |
| 3522 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3523 break; | |
| 3524 } | |
| 3525 | |
| 3526 case TOK.TOKscope: | |
| 3527 if (peek(&token).value != TOK.TOKlparen) | |
| 3528 goto Ldeclaration; // scope used as storage class | |
| 3529 nextToken(); | |
| 3530 check(TOK.TOKlparen); | |
| 3531 if (token.value != TOK.TOKidentifier) | |
| 3532 { error("scope identifier expected"); | |
| 3533 goto Lerror; | |
| 3534 } | |
| 3535 else | |
| 3536 { TOK tt = TOK.TOKon_scope_exit; | |
| 3537 Identifier id = token.ident; | |
| 3538 | |
| 3539 if (id == Id.exit) | |
| 3540 tt = TOK.TOKon_scope_exit; | |
| 3541 else if (id == Id.failure) | |
| 3542 tt = TOK.TOKon_scope_failure; | |
| 3543 else if (id == Id.success) | |
| 3544 tt = TOK.TOKon_scope_success; | |
| 3545 else | |
| 3546 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3547 nextToken(); | |
| 3548 check(TOK.TOKrparen); | |
| 3549 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3550 s = new OnScopeStatement(loc, tt, st); | |
| 3551 break; | |
| 3552 } | |
| 3553 | |
| 3554 case TOK.TOKdebug: | |
| 3555 nextToken(); | |
| 3556 condition = parseDebugCondition(); | |
| 3557 goto Lcondition; | |
| 3558 | |
| 3559 case TOK.TOKversion: | |
| 3560 nextToken(); | |
| 3561 condition = parseVersionCondition(); | |
| 3562 goto Lcondition; | |
| 3563 | |
| 3564 Lcondition: | |
| 3565 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3566 elsebody = null; | |
| 3567 if (token.value == TOK.TOKelse) | |
| 3568 { | |
| 3569 nextToken(); | |
| 3570 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3571 } | |
| 3572 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3573 break; | |
| 3574 | |
| 3575 case TOK.TOKpragma: | |
| 3576 { Identifier ident; | |
| 3577 Expressions args = null; | |
| 3578 Statement body_; | |
| 3579 | |
| 3580 nextToken(); | |
| 3581 check(TOK.TOKlparen); | |
| 3582 if (token.value != TOK.TOKidentifier) | |
| 3583 { error("pragma(identifier expected"); | |
| 3584 goto Lerror; | |
| 3585 } | |
| 3586 ident = token.ident; | |
| 3587 nextToken(); | |
| 3588 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3589 args = parseArguments(); // pragma(identifier, args...); | |
| 3590 else | |
| 3591 check(TOK.TOKrparen); // pragma(identifier); | |
| 3592 if (token.value == TOK.TOKsemicolon) | |
| 3593 { nextToken(); | |
| 3594 body_ = null; | |
| 3595 } | |
| 3596 else | |
| 3597 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3598 s = new PragmaStatement(loc, ident, args, body_); | |
| 3599 break; | |
| 3600 } | |
| 3601 | |
| 3602 case TOK.TOKswitch: | |
| 3603 isfinal = false; | |
| 3604 goto Lswitch; | |
| 3605 | |
| 3606 Lswitch: | |
| 3607 { | |
| 3608 nextToken(); | |
| 3609 check(TOK.TOKlparen); | |
| 3610 Expression condition2 = parseExpression(); | |
| 3611 check(TOK.TOKrparen); | |
| 3612 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3613 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3614 break; | |
| 3615 } | |
| 3616 | |
| 3617 case TOK.TOKcase: | |
| 3618 { Expression exp; | |
| 3619 Statements statements; | |
| 3620 scope Array cases = new Array(); // array of Expression's | |
| 3621 Expression last = null; | |
| 3622 | |
| 3623 while (1) | |
| 3624 { | |
| 3625 nextToken(); | |
| 3626 exp = parseAssignExp(); | |
| 3627 cases.push(cast(void*)exp); | |
| 3628 if (token.value != TOK.TOKcomma) | |
| 3629 break; | |
| 3630 } | |
| 3631 check(TOK.TOKcolon); | |
| 3632 | |
| 3633 version (DMDV2) { | |
| 3634 /* case exp: .. case last: | |
| 3635 */ | |
| 3636 if (token.value == TOK.TOKslice) | |
| 3637 { | |
| 3638 if (cases.dim > 1) | |
| 3639 error("only one case allowed for start of case range"); | |
| 3640 nextToken(); | |
| 3641 check(TOK.TOKcase); | |
| 3642 last = parseAssignExp(); | |
| 3643 check(TOK.TOKcolon); | |
| 3644 } | |
| 3645 } | |
| 3646 | |
| 3647 statements = new Statements(); | |
| 3648 while (token.value != TOK.TOKcase && | |
| 3649 token.value != TOK.TOKdefault && | |
| 3650 token.value != TOK.TOKrcurly) | |
| 3651 { | |
| 3652 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3653 } | |
| 3654 s = new CompoundStatement(loc, statements); | |
| 3655 s = new ScopeStatement(loc, s); | |
| 3656 | |
| 3657 ///version (DMDV2) { | |
| 3658 if (last) | |
| 3659 { | |
| 3660 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3661 } | |
| 3662 else | |
| 3663 ///} | |
| 3664 { | |
| 3665 // Keep cases in order by building the case statements backwards | |
| 3666 for (int i = cases.dim; i; i--) | |
| 3667 { | |
| 3668 exp = cast(Expression)cases.data[i - 1]; | |
| 3669 s = new CaseStatement(loc, exp, s); | |
| 3670 } | |
| 3671 } | |
| 3672 break; | |
| 3673 } | |
| 3674 | |
| 3675 case TOK.TOKdefault: | |
| 3676 { | |
| 3677 Statements statements; | |
| 3678 | |
| 3679 nextToken(); | |
| 3680 check(TOK.TOKcolon); | |
| 3681 | |
| 3682 statements = new Statements(); | |
| 3683 while (token.value != TOK.TOKcase && | |
| 3684 token.value != TOK.TOKdefault && | |
| 3685 token.value != TOK.TOKrcurly) | |
| 3686 { | |
| 3687 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3688 } | |
| 3689 s = new CompoundStatement(loc, statements); | |
| 3690 s = new ScopeStatement(loc, s); | |
| 3691 s = new DefaultStatement(loc, s); | |
| 3692 break; | |
| 3693 } | |
| 3694 | |
| 3695 case TOK.TOKreturn: | |
| 3696 { Expression exp; | |
| 3697 | |
| 3698 nextToken(); | |
| 3699 if (token.value == TOK.TOKsemicolon) | |
| 3700 exp = null; | |
| 3701 else | |
| 3702 exp = parseExpression(); | |
| 3703 check(TOK.TOKsemicolon, "return statement"); | |
| 3704 s = new ReturnStatement(loc, exp); | |
| 3705 break; | |
| 3706 } | |
| 3707 | |
| 3708 case TOK.TOKbreak: | |
| 3709 { Identifier ident; | |
| 3710 | |
| 3711 nextToken(); | |
| 3712 if (token.value == TOK.TOKidentifier) | |
| 3713 { ident = token.ident; | |
| 3714 nextToken(); | |
| 3715 } | |
| 3716 else | |
| 3717 ident = null; | |
| 3718 check(TOK.TOKsemicolon, "break statement"); | |
| 3719 s = new BreakStatement(loc, ident); | |
| 3720 break; | |
| 3721 } | |
| 3722 | |
| 3723 case TOK.TOKcontinue: | |
| 3724 { Identifier ident; | |
| 3725 | |
| 3726 nextToken(); | |
| 3727 if (token.value == TOK.TOKidentifier) | |
| 3728 { ident = token.ident; | |
| 3729 nextToken(); | |
| 3730 } | |
| 3731 else | |
| 3732 ident = null; | |
| 3733 check(TOK.TOKsemicolon, "continue statement"); | |
| 3734 s = new ContinueStatement(loc, ident); | |
| 3735 break; | |
| 3736 } | |
| 3737 | |
| 3738 case TOK.TOKgoto: | |
| 3739 { Identifier ident; | |
| 3740 | |
| 3741 nextToken(); | |
| 3742 if (token.value == TOK.TOKdefault) | |
| 3743 { | |
| 3744 nextToken(); | |
| 3745 s = new GotoDefaultStatement(loc); | |
| 3746 } | |
| 3747 else if (token.value == TOK.TOKcase) | |
| 3748 { | |
| 3749 Expression exp = null; | |
| 3750 | |
| 3751 nextToken(); | |
| 3752 if (token.value != TOK.TOKsemicolon) | |
| 3753 exp = parseExpression(); | |
| 3754 s = new GotoCaseStatement(loc, exp); | |
| 3755 } | |
| 3756 else | |
| 3757 { | |
| 3758 if (token.value != TOK.TOKidentifier) | |
| 3759 { error("Identifier expected following goto"); | |
| 3760 ident = null; | |
| 3761 } | |
| 3762 else | |
| 3763 { ident = token.ident; | |
| 3764 nextToken(); | |
| 3765 } | |
| 3766 s = new GotoStatement(loc, ident); | |
| 3767 } | |
| 3768 check(TOK.TOKsemicolon, "goto statement"); | |
| 3769 break; | |
| 3770 } | |
| 3771 | |
| 3772 case TOK.TOKsynchronized: | |
| 3773 { Expression exp; | |
| 3774 Statement body_; | |
| 3775 | |
| 3776 nextToken(); | |
| 3777 if (token.value == TOK.TOKlparen) | |
| 3778 { | |
| 3779 nextToken(); | |
| 3780 exp = parseExpression(); | |
| 3781 check(TOK.TOKrparen); | |
| 3782 } | |
| 3783 else | |
| 3784 exp = null; | |
| 3785 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3786 s = new SynchronizedStatement(loc, exp, body_); | |
| 3787 break; | |
| 3788 } | |
| 3789 | |
| 3790 case TOK.TOKwith: | |
| 3791 { Expression exp; | |
| 3792 Statement body_; | |
| 3793 | |
| 3794 nextToken(); | |
| 3795 check(TOK.TOKlparen); | |
| 3796 exp = parseExpression(); | |
| 3797 check(TOK.TOKrparen); | |
| 3798 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3799 s = new WithStatement(loc, exp, body_); | |
| 3800 break; | |
| 3801 } | |
| 3802 | |
| 3803 case TOK.TOKtry: | |
| 3804 { Statement body_; | |
| 3805 Array catches = null; | |
| 3806 Statement finalbody = null; | |
| 3807 | |
| 3808 nextToken(); | |
| 3809 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3810 while (token.value == TOK.TOKcatch) | |
| 3811 { | |
| 3812 Statement handler; | |
| 3813 Catch c; | |
| 3814 Type tt; | |
| 3815 Identifier id; | |
| 3816 Loc loc2 = this.loc; | |
| 3817 | |
| 3818 nextToken(); | |
| 3819 if (token.value == TOK.TOKlcurly) | |
| 3820 { | |
| 3821 tt = null; | |
| 3822 id = null; | |
| 3823 } | |
| 3824 else | |
| 3825 { | |
| 3826 check(TOK.TOKlparen); | |
| 3827 id = null; | |
| 3828 tt = parseType(&id); | |
| 3829 check(TOK.TOKrparen); | |
| 3830 } | |
| 3831 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3832 c = new Catch(loc2, tt, id, handler); | |
| 3833 if (!catches) | |
| 3834 catches = new Array(); | |
| 3835 catches.push(cast(void*)c); | |
| 3836 } | |
| 3837 | |
| 3838 if (token.value == TOK.TOKfinally) | |
| 3839 { nextToken(); | |
| 3840 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3841 } | |
| 3842 | |
| 3843 s = body_; | |
| 3844 if (!catches && !finalbody) | |
| 3845 error("catch or finally expected following try"); | |
| 3846 else | |
| 3847 { if (catches) | |
| 3848 s = new TryCatchStatement(loc, body_, catches); | |
| 3849 if (finalbody) | |
| 3850 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3851 } | |
| 3852 break; | |
| 3853 } | |
| 3854 | |
| 3855 case TOK.TOKthrow: | |
| 3856 { Expression exp; | |
| 3857 | |
| 3858 nextToken(); | |
| 3859 exp = parseExpression(); | |
| 3860 check(TOK.TOKsemicolon, "throw statement"); | |
| 3861 s = new ThrowStatement(loc, exp); | |
| 3862 break; | |
| 3863 } | |
| 3864 | |
| 3865 case TOK.TOKvolatile: | |
| 3866 nextToken(); | |
| 3867 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3868 version (DMDV2) { | |
| 3869 if (!global.params.useDeprecated) | |
| 3870 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3871 } | |
| 3872 s = new VolatileStatement(loc, s); | |
| 3873 break; | |
| 3874 | |
| 3875 case TOK.TOKasm: | |
| 3876 { Statements statements; | |
| 3877 Identifier label; | |
| 3878 Loc labelloc; | |
| 3879 Token* toklist; | |
| 3880 Token** ptoklist; | |
| 3881 | |
| 3882 // Parse the asm block into a sequence of AsmStatements, | |
| 3883 // each AsmStatement is one instruction. | |
| 3884 // Separate out labels. | |
| 3885 // Defer parsing of AsmStatements until semantic processing. | |
| 3886 | |
| 3887 nextToken(); | |
| 3888 check(TOK.TOKlcurly); | |
| 3889 toklist = null; | |
| 3890 ptoklist = &toklist; | |
| 3891 label = null; | |
| 3892 statements = new Statements(); | |
| 3893 while (1) | |
| 3894 { | |
| 3895 switch (token.value) | |
| 3896 { | |
| 3897 case TOK.TOKidentifier: | |
| 3898 if (!toklist) | |
| 3899 { | |
| 3900 // Look ahead to see if it is a label | |
| 3901 t = peek(&token); | |
| 3902 if (t.value == TOK.TOKcolon) | |
| 3903 { // It's a label | |
| 3904 label = token.ident; | |
| 3905 labelloc = this.loc; | |
| 3906 nextToken(); | |
| 3907 nextToken(); | |
| 3908 continue; | |
| 3909 } | |
| 3910 } | |
| 3911 goto Ldefault; | |
| 3912 | |
| 3913 case TOK.TOKrcurly: | |
| 3914 if (toklist || label) | |
| 3915 { | |
| 3916 error("asm statements must end in ';'"); | |
| 3917 } | |
| 3918 break; | |
| 3919 | |
| 3920 case TOK.TOKsemicolon: | |
| 3921 s = null; | |
| 3922 if (toklist || label) | |
| 3923 { // Create AsmStatement from list of tokens we've saved | |
| 3924 s = new AsmStatement(this.loc, toklist); | |
| 3925 toklist = null; | |
| 3926 ptoklist = &toklist; | |
| 3927 if (label) | |
| 3928 { | |
| 3929 s = new LabelStatement(labelloc, label, s); | |
| 3930 label = null; | |
| 3931 } | |
| 3932 statements.push(cast(void*)s); | |
| 3933 } | |
| 3934 nextToken(); | |
| 3935 continue; | |
| 3936 | |
| 3937 case TOK.TOKeof: | |
| 3938 /* { */ | |
| 3939 error("matching '}' expected, not end of file"); | |
| 3940 break; | |
| 3941 | |
| 3942 default: | |
| 3943 Ldefault: | |
| 3944 *ptoklist = new Token(); | |
| 3945 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3946 ptoklist = &(*ptoklist).next; | |
| 3947 *ptoklist = null; | |
| 3948 | |
| 3949 nextToken(); | |
| 3950 continue; | |
| 3951 } | |
| 3952 break; | |
| 3953 } | |
| 3954 s = new CompoundStatement(loc, statements); | |
| 3955 nextToken(); | |
| 3956 break; | |
| 3957 } | |
| 3958 | |
| 3959 default: | |
| 3960 error("found '%s' instead of statement", token.toChars()); | |
| 3961 goto Lerror; | |
| 3962 | |
| 3963 Lerror: | |
| 3964 while (token.value != TOK.TOKrcurly && | |
| 3965 token.value != TOK.TOKsemicolon && | |
| 3966 token.value != TOK.TOKeof) | |
| 3967 nextToken(); | |
| 3968 if (token.value == TOK.TOKsemicolon) | |
| 3969 nextToken(); | |
| 3970 s = null; | |
| 3971 break; | |
| 3972 } | |
| 3973 | |
| 3974 return s; | |
| 3975 } | |
| 3976 | |
| 3977 /***************************************** | |
| 3978 * Parse initializer for variable declaration. | |
| 3979 */ | |
| 3980 Initializer parseInitializer() | |
| 3981 { | |
| 3982 StructInitializer is_; | |
| 3983 ArrayInitializer ia; | |
| 3984 ExpInitializer ie; | |
| 3985 Expression e; | |
| 3986 Identifier id; | |
| 3987 Initializer value; | |
| 3988 int comma; | |
| 3989 Loc loc = this.loc; | |
| 3990 Token* t; | |
| 3991 int braces; | |
| 3992 int brackets; | |
| 3993 | |
| 3994 switch (token.value) | |
| 3995 { | |
| 3996 case TOK.TOKlcurly: | |
| 3997 /* Scan ahead to see if it is a struct initializer or | |
| 3998 * a function literal. | |
| 3999 * If it contains a ';', it is a function literal. | |
| 4000 * Treat { } as a struct initializer. | |
| 4001 */ | |
| 4002 braces = 1; | |
| 4003 for (t = peek(&token); 1; t = peek(t)) | |
| 4004 { | |
| 4005 switch (t.value) | |
| 4006 { | |
| 4007 case TOK.TOKsemicolon: | |
| 4008 case TOK.TOKreturn: | |
| 4009 goto Lexpression; | |
| 4010 | |
| 4011 case TOK.TOKlcurly: | |
| 4012 braces++; | |
| 4013 continue; | |
| 4014 | |
| 4015 case TOK.TOKrcurly: | |
| 4016 if (--braces == 0) | |
| 4017 break; | |
| 4018 continue; | |
| 4019 | |
| 4020 case TOK.TOKeof: | |
| 4021 break; | |
| 4022 | |
| 4023 default: | |
| 4024 continue; | |
| 4025 } | |
| 4026 break; | |
| 4027 } | |
| 4028 | |
| 4029 is_ = new StructInitializer(loc); | |
| 4030 nextToken(); | |
| 4031 comma = 0; | |
| 4032 while (1) | |
| 4033 { | |
| 4034 switch (token.value) | |
| 4035 { | |
| 4036 case TOK.TOKidentifier: | |
| 4037 if (comma == 1) | |
| 4038 error("comma expected separating field initializers"); | |
| 4039 t = peek(&token); | |
| 4040 if (t.value == TOK.TOKcolon) | |
| 4041 { | |
| 4042 id = token.ident; | |
| 4043 nextToken(); | |
| 4044 nextToken(); // skip over ':' | |
| 4045 } | |
| 4046 else | |
| 4047 { | |
| 4048 id = null; | |
| 4049 } | |
| 4050 value = parseInitializer(); | |
| 4051 is_.addInit(id, value); | |
| 4052 comma = 1; | |
| 4053 continue; | |
| 4054 | |
| 4055 case TOK.TOKcomma: | |
| 4056 nextToken(); | |
| 4057 comma = 2; | |
| 4058 continue; | |
| 4059 | |
| 4060 case TOK.TOKrcurly: // allow trailing comma's | |
| 4061 nextToken(); | |
| 4062 break; | |
| 4063 | |
| 4064 case TOK.TOKeof: | |
| 4065 error("found EOF instead of initializer"); | |
| 4066 break; | |
| 4067 | |
| 4068 default: | |
| 4069 value = parseInitializer(); | |
| 4070 is_.addInit(null, value); | |
| 4071 comma = 1; | |
| 4072 continue; | |
| 4073 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4074 //break; | |
| 4075 } | |
| 4076 break; | |
| 4077 } | |
| 4078 return is_; | |
| 4079 | |
| 4080 case TOK.TOKlbracket: | |
| 4081 /* Scan ahead to see if it is an array initializer or | |
| 4082 * an expression. | |
| 4083 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4084 */ | |
| 4085 brackets = 1; | |
| 4086 for (t = peek(&token); 1; t = peek(t)) | |
| 4087 { | |
| 4088 switch (t.value) | |
| 4089 { | |
| 4090 case TOK.TOKlbracket: | |
| 4091 brackets++; | |
| 4092 continue; | |
| 4093 | |
| 4094 case TOK.TOKrbracket: | |
| 4095 if (--brackets == 0) | |
| 4096 { | |
| 4097 t = peek(t); | |
| 4098 if (t.value != TOK.TOKsemicolon && | |
| 4099 t.value != TOK.TOKcomma && | |
| 4100 t.value != TOK.TOKrcurly) | |
| 4101 goto Lexpression; | |
| 4102 break; | |
| 4103 } | |
| 4104 continue; | |
| 4105 | |
| 4106 case TOK.TOKeof: | |
| 4107 break; | |
| 4108 | |
| 4109 default: | |
| 4110 continue; | |
| 4111 } | |
| 4112 break; | |
| 4113 } | |
| 4114 | |
| 4115 ia = new ArrayInitializer(loc); | |
| 4116 nextToken(); | |
| 4117 comma = 0; | |
| 4118 while (true) | |
| 4119 { | |
| 4120 switch (token.value) | |
| 4121 { | |
| 4122 default: | |
| 4123 if (comma == 1) | |
| 4124 { | |
| 4125 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4126 nextToken(); | |
| 4127 break; | |
| 4128 } | |
| 4129 e = parseAssignExp(); | |
| 4130 if (!e) | |
| 4131 break; | |
| 4132 if (token.value == TOK.TOKcolon) | |
| 4133 { | |
| 4134 nextToken(); | |
| 4135 value = parseInitializer(); | |
| 4136 } | |
| 4137 else | |
| 4138 { value = new ExpInitializer(e.loc, e); | |
| 4139 e = null; | |
| 4140 } | |
| 4141 ia.addInit(e, value); | |
| 4142 comma = 1; | |
| 4143 continue; | |
| 4144 | |
| 4145 case TOK.TOKlcurly: | |
| 4146 case TOK.TOKlbracket: | |
| 4147 if (comma == 1) | |
| 4148 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4149 value = parseInitializer(); | |
| 4150 ia.addInit(null, value); | |
| 4151 comma = 1; | |
| 4152 continue; | |
| 4153 | |
| 4154 case TOK.TOKcomma: | |
| 4155 nextToken(); | |
| 4156 comma = 2; | |
| 4157 continue; | |
| 4158 | |
| 4159 case TOK.TOKrbracket: // allow trailing comma's | |
| 4160 nextToken(); | |
| 4161 break; | |
| 4162 | |
| 4163 case TOK.TOKeof: | |
| 4164 error("found '%s' instead of array initializer", token.toChars()); | |
| 4165 break; | |
| 4166 } | |
| 4167 break; | |
| 4168 } | |
| 4169 return ia; | |
| 4170 | |
| 4171 case TOK.TOKvoid: | |
| 4172 t = peek(&token); | |
| 4173 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4174 { | |
| 4175 nextToken(); | |
| 4176 return new VoidInitializer(loc); | |
| 4177 } | |
| 4178 goto Lexpression; | |
| 4179 | |
| 4180 default: | |
| 4181 Lexpression: | |
| 4182 e = parseAssignExp(); | |
| 4183 ie = new ExpInitializer(loc, e); | |
| 4184 return ie; | |
| 4185 } | |
| 4186 } | |
| 4187 | |
| 4188 /***************************************** | |
| 4189 * Parses default argument initializer expression that is an assign expression, | |
| 4190 * with special handling for __FILE__ and __LINE__. | |
| 4191 */ | |
| 4192 version (DMDV2) { | |
| 4193 Expression parseDefaultInitExp() | |
| 4194 { | |
| 4195 if (token.value == TOK.TOKfile || | |
| 4196 token.value == TOK.TOKline) | |
| 4197 { | |
| 4198 Token* t = peek(&token); | |
| 4199 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4200 { | |
| 4201 Expression e; | |
| 4202 | |
| 4203 if (token.value == TOK.TOKfile) | |
| 4204 e = new FileInitExp(loc); | |
| 4205 else | |
| 4206 e = new LineInitExp(loc); | |
| 4207 nextToken(); | |
| 4208 return e; | |
| 4209 } | |
| 4210 } | |
| 4211 | |
| 4212 Expression e = parseAssignExp(); | |
| 4213 return e; | |
| 4214 } | |
| 4215 } | |
| 4216 void check(Loc loc, TOK value) | |
| 4217 { | |
| 4218 if (token.value != value) | |
| 4219 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4220 nextToken(); | |
| 4221 } | |
| 4222 | |
| 4223 void check(TOK value) | |
| 4224 { | |
| 4225 check(loc, value); | |
| 4226 } | |
| 4227 | |
| 4228 void check(TOK value, string string_) | |
| 4229 { | |
| 4230 if (token.value != value) { | |
| 4231 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4232 } | |
| 4233 nextToken(); | |
| 4234 } | |
| 4235 | |
| 4236 /************************************ | |
| 4237 * Determine if the scanner is sitting on the start of a declaration. | |
| 4238 * Input: | |
| 4239 * needId 0 no identifier | |
| 4240 * 1 identifier optional | |
| 4241 * 2 must have identifier | |
| 4242 * Output: | |
| 4243 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4244 */ | |
| 4245 | |
| 4246 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4247 { | |
| 4248 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4249 int haveId = 0; | |
| 4250 | |
| 4251 version (DMDV2) { | |
| 4252 if ((t.value == TOK.TOKconst || | |
| 4253 t.value == TOK.TOKinvariant || | |
| 4254 t.value == TOK.TOKimmutable || | |
| 4255 t.value == TOK.TOKshared) && | |
| 4256 peek(t).value != TOK.TOKlparen) | |
| 4257 { | |
| 4258 /* const type | |
| 4259 * immutable type | |
| 4260 * shared type | |
| 4261 */ | |
| 4262 t = peek(t); | |
| 4263 } | |
| 4264 } | |
| 4265 | |
| 4266 if (!isBasicType(&t)) | |
| 4267 { | |
| 4268 goto Lisnot; | |
| 4269 } | |
| 4270 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4271 goto Lisnot; | |
| 4272 if ( needId == 1 || | |
| 4273 (needId == 0 && !haveId) || | |
| 4274 (needId == 2 && haveId)) | |
| 4275 { | |
| 4276 if (pt) | |
| 4277 *pt = t; | |
| 4278 goto Lis; | |
| 4279 } | |
| 4280 else | |
| 4281 goto Lisnot; | |
| 4282 | |
| 4283 Lis: | |
| 4284 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4285 return true; | |
| 4286 | |
| 4287 Lisnot: | |
| 4288 //printf("\tis not declaration\n"); | |
| 4289 return false; | |
| 4290 } | |
| 4291 | |
| 4292 bool isBasicType(Token** pt) | |
| 4293 { | |
| 4294 // This code parallels parseBasicType() | |
| 4295 Token* t = *pt; | |
| 4296 Token* t2; | |
| 4297 int parens; | |
| 4298 int haveId = 0; | |
| 4299 | |
| 4300 switch (t.value) | |
| 4301 { | |
| 4302 case TOKwchar: | |
| 4303 case TOKdchar: | |
| 4304 case TOKbit: | |
| 4305 case TOKbool: | |
| 4306 case TOKchar: | |
| 4307 case TOKint8: | |
| 4308 case TOKuns8: | |
| 4309 case TOKint16: | |
| 4310 case TOKuns16: | |
| 4311 case TOKint32: | |
| 4312 case TOKuns32: | |
| 4313 case TOKint64: | |
| 4314 case TOKuns64: | |
| 4315 case TOKfloat32: | |
| 4316 case TOKfloat64: | |
| 4317 case TOKfloat80: | |
| 4318 case TOKimaginary32: | |
| 4319 case TOKimaginary64: | |
| 4320 case TOKimaginary80: | |
| 4321 case TOKcomplex32: | |
| 4322 case TOKcomplex64: | |
| 4323 case TOKcomplex80: | |
| 4324 case TOKvoid: | |
| 4325 t = peek(t); | |
| 4326 break; | |
| 4327 | |
| 4328 case TOK.TOKidentifier: | |
| 4329 L5: | |
| 4330 t = peek(t); | |
| 4331 if (t.value == TOK.TOKnot) | |
| 4332 { | |
| 4333 goto L4; | |
| 4334 } | |
| 4335 goto L3; | |
| 4336 while (1) | |
| 4337 { | |
| 4338 L2: | |
| 4339 t = peek(t); | |
| 4340 L3: | |
| 4341 if (t.value == TOK.TOKdot) | |
| 4342 { | |
| 4343 Ldot: | |
| 4344 t = peek(t); | |
| 4345 if (t.value != TOK.TOKidentifier) | |
| 4346 goto Lfalse; | |
| 4347 t = peek(t); | |
| 4348 if (t.value != TOK.TOKnot) | |
| 4349 goto L3; | |
| 4350 L4: | |
| 4351 /* Seen a ! | |
| 4352 * Look for: | |
| 4353 * !( args ), !identifier, etc. | |
| 4354 */ | |
| 4355 t = peek(t); | |
| 4356 switch (t.value) | |
| 4357 { case TOK.TOKidentifier: | |
| 4358 goto L5; | |
| 4359 case TOK.TOKlparen: | |
| 4360 if (!skipParens(t, &t)) | |
| 4361 goto Lfalse; | |
| 4362 break; | |
| 4363 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4364 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4365 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4366 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4367 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4368 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4369 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4370 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4371 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4372 case TOK.TOKvoid: | |
| 4373 case TOK.TOKint32v: | |
| 4374 case TOK.TOKuns32v: | |
| 4375 case TOK.TOKint64v: | |
| 4376 case TOK.TOKuns64v: | |
| 4377 case TOK.TOKfloat32v: | |
| 4378 case TOK.TOKfloat64v: | |
| 4379 case TOK.TOKfloat80v: | |
| 4380 case TOK.TOKimaginary32v: | |
| 4381 case TOK.TOKimaginary64v: | |
| 4382 case TOK.TOKimaginary80v: | |
| 4383 case TOK.TOKnull: | |
| 4384 case TOK.TOKtrue: | |
| 4385 case TOK.TOKfalse: | |
| 4386 case TOK.TOKcharv: | |
| 4387 case TOK.TOKwcharv: | |
| 4388 case TOK.TOKdcharv: | |
| 4389 case TOK.TOKstring: | |
| 4390 case TOK.TOKfile: | |
| 4391 case TOK.TOKline: | |
| 4392 goto L2; | |
| 4393 default: | |
| 4394 goto Lfalse; | |
| 4395 } | |
| 4396 } | |
| 4397 else | |
| 4398 break; | |
| 4399 } | |
| 4400 break; | |
| 4401 | |
| 4402 case TOK.TOKdot: | |
| 4403 goto Ldot; | |
| 4404 | |
| 4405 case TOK.TOKtypeof: | |
| 4406 /* typeof(exp).identifier... | |
| 4407 */ | |
| 4408 t = peek(t); | |
| 4409 if (t.value != TOK.TOKlparen) | |
| 4410 goto Lfalse; | |
| 4411 if (!skipParens(t, &t)) | |
| 4412 goto Lfalse; | |
| 4413 goto L2; | |
| 4414 | |
| 4415 case TOK.TOKconst: | |
| 4416 case TOK.TOKinvariant: | |
| 4417 case TOK.TOKimmutable: | |
| 4418 case TOK.TOKshared: | |
| 4419 // const(type) or immutable(type) or shared(type) | |
| 4420 t = peek(t); | |
| 4421 if (t.value != TOK.TOKlparen) | |
| 4422 goto Lfalse; | |
| 4423 t = peek(t); | |
| 4424 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4425 { | |
| 4426 goto Lfalse; | |
| 4427 } | |
| 4428 t = peek(t); | |
| 4429 break; | |
| 4430 | |
| 4431 default: | |
| 4432 goto Lfalse; | |
| 4433 } | |
| 4434 *pt = t; | |
| 4435 //printf("is\n"); | |
| 4436 return true; | |
| 4437 | |
| 4438 Lfalse: | |
| 4439 //printf("is not\n"); | |
| 4440 return false; | |
| 4441 } | |
| 4442 | |
| 4443 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4444 { | |
| 4445 // This code parallels parseDeclarator() | |
| 4446 Token* t = *pt; | |
| 4447 bool parens; | |
| 4448 | |
| 4449 //printf("Parser.isDeclarator()\n"); | |
| 4450 //t.print(); | |
| 4451 if (t.value == TOK.TOKassign) | |
| 4452 return false; | |
| 4453 | |
| 4454 while (true) | |
| 4455 { | |
| 4456 parens = false; | |
| 4457 switch (t.value) | |
| 4458 { | |
| 4459 case TOK.TOKmul: | |
| 4460 //case TOKand: | |
| 4461 t = peek(t); | |
| 4462 continue; | |
| 4463 | |
| 4464 case TOK.TOKlbracket: | |
| 4465 t = peek(t); | |
| 4466 if (t.value == TOK.TOKrbracket) | |
| 4467 { | |
| 4468 t = peek(t); | |
| 4469 } | |
| 4470 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) | |
| 4471 { | |
| 4472 // It's an associative array declaration | |
| 4473 t = peek(t); | |
| 4474 } | |
| 4475 else | |
| 4476 { | |
| 4477 // [ expression ] | |
| 4478 // [ expression .. expression ] | |
| 4479 if (!isExpression(&t)) | |
| 4480 return false; | |
| 4481 if (t.value == TOK.TOKslice) | |
| 4482 { | |
| 4483 t = peek(t); | |
| 4484 if (!isExpression(&t)) | |
| 4485 return false; | |
| 4486 } | |
| 4487 if (t.value != TOK.TOKrbracket) | |
| 4488 return false; | |
| 4489 t = peek(t); | |
| 4490 } | |
| 4491 continue; | |
| 4492 | |
| 4493 case TOK.TOKidentifier: | |
| 4494 if (*haveId) | |
| 4495 return false; | |
| 4496 *haveId = true; | |
| 4497 t = peek(t); | |
| 4498 break; | |
| 4499 | |
| 4500 case TOK.TOKlparen: | |
| 4501 t = peek(t); | |
| 4502 | |
| 4503 if (t.value == TOK.TOKrparen) | |
| 4504 return false; // () is not a declarator | |
| 4505 | |
| 4506 /* Regard ( identifier ) as not a declarator | |
| 4507 * BUG: what about ( *identifier ) in | |
| 4508 * f(*p)(x); | |
| 4509 * where f is a class instance with overloaded () ? | |
| 4510 * Should we just disallow C-style function pointer declarations? | |
| 4511 */ | |
| 4512 if (t.value == TOK.TOKidentifier) | |
| 4513 { | |
| 4514 Token *t2 = peek(t); | |
| 4515 if (t2.value == TOK.TOKrparen) | |
| 4516 return false; | |
| 4517 } | |
| 4518 | |
| 4519 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4520 return false; | |
| 4521 t = peek(t); | |
| 4522 parens = true; | |
| 4523 break; | |
| 4524 | |
| 4525 case TOK.TOKdelegate: | |
| 4526 case TOK.TOKfunction: | |
| 4527 t = peek(t); | |
| 4528 if (!isParameters(&t)) | |
| 4529 return false; | |
| 4530 continue; | |
| 4531 default: | |
| 4532 break; /// | |
| 4533 } | |
| 4534 break; | |
| 4535 } | |
| 4536 | |
| 4537 while (1) | |
| 4538 { | |
| 4539 switch (t.value) | |
| 4540 { | |
| 4541 version (CARRAYDECL) { | |
| 4542 case TOK.TOKlbracket: | |
| 4543 parens = false; | |
| 4544 t = peek(t); | |
| 4545 if (t.value == TOK.TOKrbracket) | |
| 4546 { | |
| 4547 t = peek(t); | |
| 4548 } | |
| 4549 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4550 { | |
| 4551 // It's an associative array declaration | |
| 4552 t = peek(t); | |
| 4553 } | |
| 4554 else | |
| 4555 { | |
| 4556 // [ expression ] | |
| 4557 if (!isExpression(&t)) | |
| 4558 return false; | |
| 4559 if (t.value != TOK.TOKrbracket) | |
| 4560 return false; | |
| 4561 t = peek(t); | |
| 4562 } | |
| 4563 continue; | |
| 4564 } | |
| 4565 | |
| 4566 case TOK.TOKlparen: | |
| 4567 parens = false; | |
| 4568 if (!isParameters(&t)) | |
| 4569 return false; | |
| 4570 version (DMDV2) { | |
| 4571 while (true) | |
| 4572 { | |
| 4573 switch (t.value) | |
| 4574 { | |
| 4575 case TOK.TOKconst: | |
| 4576 case TOK.TOKinvariant: | |
| 4577 case TOK.TOKimmutable: | |
| 4578 case TOK.TOKshared: | |
| 4579 case TOK.TOKpure: | |
| 4580 case TOK.TOKnothrow: | |
| 4581 t = peek(t); | |
| 4582 continue; | |
| 4583 case TOK.TOKat: | |
| 4584 t = peek(t); // skip '@' | |
| 4585 t = peek(t); // skip identifier | |
| 4586 continue; | |
| 4587 default: | |
| 4588 break; | |
| 4589 } | |
| 4590 break; | |
| 4591 } | |
| 4592 } | |
| 4593 continue; | |
| 4594 | |
| 4595 // Valid tokens that follow a declaration | |
| 4596 case TOK.TOKrparen: | |
| 4597 case TOK.TOKrbracket: | |
| 4598 case TOK.TOKassign: | |
| 4599 case TOK.TOKcomma: | |
| 4600 case TOK.TOKsemicolon: | |
| 4601 case TOK.TOKlcurly: | |
| 4602 case TOK.TOKin: | |
| 4603 // The !parens is to disallow unnecessary parentheses | |
| 4604 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4605 { | |
| 4606 *pt = t; | |
| 4607 return true; | |
| 4608 } | |
| 4609 return false; | |
| 4610 | |
| 4611 default: | |
| 4612 return false; | |
| 4613 } | |
| 4614 } | |
| 4615 } | |
| 4616 | |
| 4617 bool isParameters(Token** pt) | |
| 4618 { | |
| 4619 // This code parallels parseParameters() | |
| 4620 Token* t = *pt; | |
| 4621 | |
| 4622 //printf("isParameters()\n"); | |
| 4623 if (t.value != TOKlparen) | |
| 4624 return false; | |
| 4625 | |
| 4626 t = peek(t); | |
| 4627 for (;1; t = peek(t)) | |
| 4628 { | |
| 4629 L1: | |
| 4630 switch (t.value) | |
| 4631 { | |
| 4632 case TOKrparen: | |
| 4633 break; | |
| 4634 | |
| 4635 case TOKdotdotdot: | |
| 4636 t = peek(t); | |
| 4637 break; | |
| 4638 | |
| 4639 case TOKin: | |
| 4640 case TOKout: | |
| 4641 case TOKinout: | |
| 4642 case TOKref: | |
| 4643 case TOKlazy: | |
| 4644 case TOKfinal: | |
| 4645 continue; | |
| 4646 | |
| 4647 case TOKconst: | |
| 4648 case TOKinvariant: | |
| 4649 case TOKimmutable: | |
| 4650 case TOKshared: | |
| 4651 t = peek(t); | |
| 4652 if (t.value == TOKlparen) | |
| 4653 { | |
| 4654 t = peek(t); | |
| 4655 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4656 return false; | |
| 4657 t = peek(t); // skip past closing ')' | |
| 4658 goto L2; | |
| 4659 } | |
| 4660 goto L1; | |
| 4661 | |
| 4662 static if (false) { | |
| 4663 case TOKstatic: | |
| 4664 continue; | |
| 4665 case TOKauto: | |
| 4666 case TOKalias: | |
| 4667 t = peek(t); | |
| 4668 if (t.value == TOKidentifier) | |
| 4669 t = peek(t); | |
| 4670 if (t.value == TOKassign) | |
| 4671 { t = peek(t); | |
| 4672 if (!isExpression(&t)) | |
| 4673 return false; | |
| 4674 } | |
| 4675 goto L3; | |
| 4676 } | |
| 4677 | |
| 4678 default: | |
| 4679 { | |
| 4680 if (!isBasicType(&t)) | |
| 4681 return false; | |
| 4682 L2: | |
| 4683 int tmp = false; | |
| 4684 if (t.value != TOKdotdotdot && | |
| 4685 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4686 return false; | |
| 4687 if (t.value == TOKassign) | |
| 4688 { | |
| 4689 t = peek(t); | |
| 4690 if (!isExpression(&t)) | |
| 4691 return false; | |
| 4692 } | |
| 4693 if (t.value == TOKdotdotdot) | |
| 4694 { | |
| 4695 t = peek(t); | |
| 4696 break; | |
| 4697 } | |
| 4698 } | |
| 4699 L3: | |
| 4700 if (t.value == TOKcomma) | |
| 4701 { | |
| 4702 continue; | |
| 4703 } | |
| 4704 break; | |
| 4705 } | |
| 4706 break; | |
| 4707 } | |
| 4708 | |
| 4709 if (t.value != TOKrparen) | |
| 4710 return false; | |
| 4711 | |
| 4712 t = peek(t); | |
| 4713 *pt = t; | |
| 4714 return true; | |
| 4715 } | |
| 4716 | |
| 4717 bool isExpression(Token** pt) | |
| 4718 { | |
| 4719 // This is supposed to determine if something is an expression. | |
| 4720 // What it actually does is scan until a closing right bracket | |
| 4721 // is found. | |
| 4722 | |
| 4723 Token* t = *pt; | |
| 4724 int brnest = 0; | |
| 4725 int panest = 0; | |
| 4726 int curlynest = 0; | |
| 4727 | |
| 4728 for (;; t = peek(t)) | |
| 4729 { | |
| 4730 switch (t.value) | |
| 4731 { | |
| 4732 case TOKlbracket: | |
| 4733 brnest++; | |
| 4734 continue; | |
| 4735 | |
| 4736 case TOKrbracket: | |
| 4737 if (--brnest >= 0) | |
| 4738 continue; | |
| 4739 break; | |
| 4740 | |
| 4741 case TOKlparen: | |
| 4742 panest++; | |
| 4743 continue; | |
| 4744 | |
| 4745 case TOKcomma: | |
| 4746 if (brnest || panest) | |
| 4747 continue; | |
| 4748 break; | |
| 4749 | |
| 4750 case TOKrparen: | |
| 4751 if (--panest >= 0) | |
| 4752 continue; | |
| 4753 break; | |
| 4754 | |
| 4755 case TOKlcurly: | |
| 4756 curlynest++; | |
| 4757 continue; | |
| 4758 | |
| 4759 case TOKrcurly: | |
| 4760 if (--curlynest >= 0) | |
| 4761 continue; | |
| 4762 return false; | |
| 4763 | |
| 4764 case TOKslice: | |
| 4765 if (brnest) | |
| 4766 continue; | |
| 4767 break; | |
| 4768 | |
| 4769 case TOKsemicolon: | |
| 4770 if (curlynest) | |
| 4771 continue; | |
| 4772 return false; | |
| 4773 | |
| 4774 case TOKeof: | |
| 4775 return false; | |
| 4776 | |
| 4777 default: | |
| 4778 continue; | |
| 4779 } | |
| 4780 break; | |
| 4781 } | |
| 4782 | |
| 4783 *pt = t; | |
| 4784 return true; | |
| 4785 } | |
| 4786 | |
| 4787 int isTemplateInstance(Token t, Token* pt) | |
| 4788 { | |
| 4789 assert(false); | |
| 4790 } | |
| 4791 | |
| 4792 /******************************************* | |
| 4793 * Skip parens, brackets. | |
| 4794 * Input: | |
| 4795 * t is on opening ( | |
| 4796 * Output: | |
| 4797 * *pt is set to closing token, which is ')' on success | |
| 4798 * Returns: | |
| 4799 * !=0 successful | |
| 4800 * 0 some parsing error | |
| 4801 */ | |
| 4802 bool skipParens(Token* t, Token** pt) | |
| 4803 { | |
| 4804 int parens = 0; | |
| 4805 | |
| 4806 while (1) | |
| 4807 { | |
| 4808 switch (t.value) | |
| 4809 { | |
| 4810 case TOKlparen: | |
| 4811 parens++; | |
| 4812 break; | |
| 4813 | |
| 4814 case TOKrparen: | |
| 4815 parens--; | |
| 4816 if (parens < 0) | |
| 4817 goto Lfalse; | |
| 4818 if (parens == 0) | |
| 4819 goto Ldone; | |
| 4820 break; | |
| 4821 | |
| 4822 case TOKeof: | |
| 4823 case TOKsemicolon: | |
| 4824 goto Lfalse; | |
| 4825 | |
| 4826 default: | |
| 4827 break; | |
| 4828 } | |
| 4829 t = peek(t); | |
| 4830 } | |
| 4831 | |
| 4832 Ldone: | |
| 4833 if (*pt) | |
| 4834 *pt = t; | |
| 4835 return true; | |
| 4836 | |
| 4837 Lfalse: | |
| 4838 return false; | |
| 4839 } | |
| 4840 | |
| 4841 Expression parseExpression() | |
| 4842 { | |
| 4843 Expression e; | |
| 4844 Expression e2; | |
| 4845 Loc loc = this.loc; | |
| 4846 | |
| 4847 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4848 e = parseAssignExp(); | |
| 4849 while (token.value == TOK.TOKcomma) | |
| 4850 { | |
| 4851 nextToken(); | |
| 4852 e2 = parseAssignExp(); | |
| 4853 e = new CommaExp(loc, e, e2); | |
| 4854 loc = this.loc; | |
| 4855 } | |
| 4856 return e; | |
| 4857 } | |
| 4858 | |
| 4859 Expression parsePrimaryExp() | |
| 4860 { | |
| 4861 Expression e; | |
| 4862 Type t; | |
| 4863 Identifier id; | |
| 4864 TOK save; | |
| 4865 Loc loc = this.loc; | |
| 4866 | |
| 4867 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4868 switch (token.value) | |
| 4869 { | |
| 4870 case TOK.TOKidentifier: | |
| 4871 id = token.ident; | |
| 4872 nextToken(); | |
| 4873 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4874 { // identifier!(template-argument-list) | |
| 4875 TemplateInstance tempinst; | |
| 4876 | |
| 4877 tempinst = new TemplateInstance(loc, id); | |
| 4878 nextToken(); | |
| 4879 if (token.value == TOK.TOKlparen) | |
| 4880 // ident!(template_arguments) | |
| 4881 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4882 else | |
| 4883 // ident!template_argument | |
| 4884 tempinst.tiargs = parseTemplateArgument(); | |
| 4885 e = new ScopeExp(loc, tempinst); | |
| 4886 } | |
| 4887 else | |
| 4888 e = new IdentifierExp(loc, id); | |
| 4889 break; | |
| 4890 | |
| 4891 case TOK.TOKdollar: | |
| 4892 if (!inBrackets) | |
| 4893 error("'$' is valid only inside [] of index or slice"); | |
| 4894 e = new DollarExp(loc); | |
| 4895 nextToken(); | |
| 4896 break; | |
| 4897 | |
| 4898 case TOK.TOKdot: | |
| 4899 // Signal global scope '.' operator with "" identifier | |
| 4900 e = new IdentifierExp(loc, Id.empty); | |
| 4901 break; | |
| 4902 | |
| 4903 case TOK.TOKthis: | |
| 4904 e = new ThisExp(loc); | |
| 4905 nextToken(); | |
| 4906 break; | |
| 4907 | |
| 4908 case TOK.TOKsuper: | |
| 4909 e = new SuperExp(loc); | |
| 4910 nextToken(); | |
| 4911 break; | |
| 4912 | |
| 4913 case TOK.TOKint32v: | |
| 4914 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4915 nextToken(); | |
| 4916 break; | |
| 4917 | |
| 4918 case TOK.TOKuns32v: | |
| 4919 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4920 nextToken(); | |
| 4921 break; | |
| 4922 | |
| 4923 case TOK.TOKint64v: | |
| 4924 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4925 nextToken(); | |
| 4926 break; | |
| 4927 | |
| 4928 case TOK.TOKuns64v: | |
| 4929 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4930 nextToken(); | |
| 4931 break; | |
| 4932 | |
| 4933 case TOK.TOKfloat32v: | |
| 4934 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4935 nextToken(); | |
| 4936 break; | |
| 4937 | |
| 4938 case TOK.TOKfloat64v: | |
| 4939 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4940 nextToken(); | |
| 4941 break; | |
| 4942 | |
| 4943 case TOK.TOKfloat80v: | |
| 4944 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4945 nextToken(); | |
| 4946 break; | |
| 4947 | |
| 4948 case TOK.TOKimaginary32v: | |
| 4949 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 4950 nextToken(); | |
| 4951 break; | |
| 4952 | |
| 4953 case TOK.TOKimaginary64v: | |
| 4954 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 4955 nextToken(); | |
| 4956 break; | |
| 4957 | |
| 4958 case TOK.TOKimaginary80v: | |
| 4959 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 4960 nextToken(); | |
| 4961 break; | |
| 4962 | |
| 4963 case TOK.TOKnull: | |
| 4964 e = new NullExp(loc); | |
| 4965 nextToken(); | |
| 4966 break; | |
| 4967 | |
| 4968 version (DMDV2) { | |
| 4969 case TOK.TOKfile: | |
| 4970 { | |
| 4971 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 4972 e = new StringExp(loc, s, 0); | |
| 4973 nextToken(); | |
| 4974 break; | |
| 4975 } | |
| 4976 | |
| 4977 case TOK.TOKline: | |
| 4978 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 4979 nextToken(); | |
| 4980 break; | |
| 4981 } | |
| 4982 | |
| 4983 case TOK.TOKtrue: | |
| 4984 e = new IntegerExp(loc, 1, Type.tbool); | |
| 4985 nextToken(); | |
| 4986 break; | |
| 4987 | |
| 4988 case TOK.TOKfalse: | |
| 4989 e = new IntegerExp(loc, 0, Type.tbool); | |
| 4990 nextToken(); | |
| 4991 break; | |
| 4992 | |
| 4993 case TOK.TOKcharv: | |
| 4994 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 4995 nextToken(); | |
| 4996 break; | |
| 4997 | |
| 4998 case TOK.TOKwcharv: | |
| 4999 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5000 nextToken(); | |
| 5001 break; | |
| 5002 | |
| 5003 case TOK.TOKdcharv: | |
| 5004 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5005 nextToken(); | |
| 5006 break; | |
| 5007 | |
| 5008 case TOK.TOKstring: | |
| 5009 { | |
| 5010 const(char)* s; | |
| 5011 uint len; | |
| 5012 ubyte postfix; | |
| 5013 | |
| 5014 // cat adjacent strings | |
| 5015 s = token.ustring; | |
| 5016 len = token.len; | |
| 5017 postfix = token.postfix; | |
| 5018 while (1) | |
| 5019 { | |
| 5020 nextToken(); | |
| 5021 if (token.value == TOK.TOKstring) | |
| 5022 { uint len1; | |
| 5023 uint len2; | |
| 5024 char* s2; | |
| 5025 | |
| 5026 if (token.postfix) | |
| 5027 { if (token.postfix != postfix) | |
| 5028 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5029 postfix = token.postfix; | |
| 5030 } | |
| 5031 | |
| 5032 len1 = len; | |
| 5033 len2 = token.len; | |
| 5034 len = len1 + len2; | |
| 2 | 5035 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5036 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5037 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5038 s = s2; | |
| 5039 } | |
| 5040 else | |
| 5041 break; | |
| 5042 } | |
| 5043 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5044 break; | |
| 5045 } | |
| 5046 | |
| 5047 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5048 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5049 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5050 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5051 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5052 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5053 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5054 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5055 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5056 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5057 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5058 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5059 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5060 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5061 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5062 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5063 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5064 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5065 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5066 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5067 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5068 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5069 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5070 LabelX: | |
| 5071 nextToken(); | |
| 5072 L1: | |
| 5073 check(TOK.TOKdot, t.toChars()); | |
| 5074 if (token.value != TOK.TOKidentifier) | |
| 5075 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5076 goto Lerr; | |
| 5077 } | |
| 5078 e = typeDotIdExp(loc, t, token.ident); | |
| 5079 nextToken(); | |
| 5080 break; | |
| 5081 | |
| 5082 case TOK.TOKtypeof: | |
| 5083 { | |
| 5084 t = parseTypeof(); | |
| 5085 e = new TypeExp(loc, t); | |
| 5086 break; | |
| 5087 } | |
| 5088 | |
| 5089 case TOK.TOKtypeid: | |
| 5090 { Type tt; | |
| 5091 | |
| 5092 nextToken(); | |
| 5093 check(TOK.TOKlparen, "typeid"); | |
| 5094 tt = parseType(); // ( type ) | |
| 5095 check(TOK.TOKrparen); | |
| 5096 e = new TypeidExp(loc, tt); | |
| 5097 break; | |
| 5098 } | |
| 5099 | |
| 5100 version (DMDV2) { | |
| 5101 case TOK.TOKtraits: | |
| 5102 { /* __traits(identifier, args...) | |
| 5103 */ | |
| 5104 Identifier ident; | |
| 5105 Objects args = null; | |
| 5106 | |
| 5107 nextToken(); | |
| 5108 check(TOK.TOKlparen); | |
| 5109 if (token.value != TOK.TOKidentifier) | |
| 5110 { error("__traits(identifier, args...) expected"); | |
| 5111 goto Lerr; | |
| 5112 } | |
| 5113 ident = token.ident; | |
| 5114 nextToken(); | |
| 5115 if (token.value == TOK.TOKcomma) | |
| 5116 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5117 else | |
| 5118 check(TOK.TOKrparen); // __traits(identifier) | |
| 5119 | |
| 5120 e = new TraitsExp(loc, ident, args); | |
| 5121 break; | |
| 5122 } | |
| 5123 } | |
| 5124 | |
| 5125 case TOK.TOKis: | |
| 5126 { Type targ; | |
| 5127 Identifier ident = null; | |
| 5128 Type tspec = null; | |
| 5129 TOK tok = TOK.TOKreserved; | |
| 5130 TOK tok2 = TOK.TOKreserved; | |
| 5131 TemplateParameters tpl = null; | |
| 5132 Loc loc2 = this.loc; | |
| 5133 | |
| 5134 nextToken(); | |
| 5135 if (token.value == TOK.TOKlparen) | |
| 5136 { | |
| 5137 nextToken(); | |
| 5138 targ = parseType(&ident); | |
| 5139 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5140 { | |
| 5141 tok = token.value; | |
| 5142 nextToken(); | |
| 5143 if (tok == TOK.TOKequal && | |
| 5144 (token.value == TOK.TOKtypedef || | |
| 5145 token.value == TOK.TOKstruct || | |
| 5146 token.value == TOK.TOKunion || | |
| 5147 token.value == TOK.TOKclass || | |
| 5148 token.value == TOK.TOKsuper || | |
| 5149 token.value == TOK.TOKenum || | |
| 5150 token.value == TOK.TOKinterface || | |
| 5151 ///version (DMDV2) { | |
| 5152 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5153 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5154 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5155 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5156 ///} | |
| 5157 token.value == TOK.TOKfunction || | |
| 5158 token.value == TOK.TOKdelegate || | |
| 5159 token.value == TOK.TOKreturn)) | |
| 5160 { | |
| 5161 tok2 = token.value; | |
| 5162 nextToken(); | |
| 5163 } | |
| 5164 else | |
| 5165 { | |
| 5166 tspec = parseType(); | |
| 5167 } | |
| 5168 } | |
| 5169 if (ident && tspec) | |
| 5170 { | |
| 5171 if (token.value == TOK.TOKcomma) | |
| 5172 tpl = parseTemplateParameterList(1); | |
| 5173 else | |
| 5174 { tpl = new TemplateParameters(); | |
| 5175 check(TOK.TOKrparen); | |
| 5176 } | |
| 5177 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
| 5178 tpl.insert(0, cast(void*)tp); | |
| 5179 } | |
| 5180 else | |
| 5181 check(TOK.TOKrparen); | |
| 5182 } | |
| 5183 else | |
| 5184 { error("(type identifier : specialization) expected following is"); | |
| 5185 goto Lerr; | |
| 5186 } | |
| 5187 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5188 break; | |
| 5189 } | |
| 5190 | |
| 5191 case TOK.TOKassert: | |
| 5192 { | |
| 5193 Expression msg = null; | |
| 5194 | |
| 5195 nextToken(); | |
| 5196 check(TOK.TOKlparen, "assert"); | |
| 5197 e = parseAssignExp(); | |
| 5198 if (token.value == TOK.TOKcomma) | |
| 5199 { nextToken(); | |
| 5200 msg = parseAssignExp(); | |
| 5201 } | |
| 5202 check(TOK.TOKrparen); | |
| 5203 e = new AssertExp(loc, e, msg); | |
| 5204 break; | |
| 5205 } | |
| 5206 | |
| 5207 case TOK.TOKmixin: | |
| 5208 { | |
| 5209 nextToken(); | |
| 5210 check(TOK.TOKlparen, "mixin"); | |
| 5211 e = parseAssignExp(); | |
| 5212 check(TOK.TOKrparen); | |
| 5213 e = new CompileExp(loc, e); | |
| 5214 break; | |
| 5215 } | |
| 5216 | |
| 5217 case TOK.TOKimport: | |
| 5218 { | |
| 5219 nextToken(); | |
| 5220 check(TOK.TOKlparen, "import"); | |
| 5221 e = parseAssignExp(); | |
| 5222 check(TOK.TOKrparen); | |
| 5223 e = new FileExp(loc, e); | |
| 5224 break; | |
| 5225 } | |
| 5226 | |
| 5227 case TOK.TOKlparen: | |
| 5228 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5229 { // (arguments) { statements... } | |
| 5230 save = TOK.TOKdelegate; | |
| 5231 goto case_delegate; | |
| 5232 } | |
| 5233 // ( expression ) | |
| 5234 nextToken(); | |
| 5235 e = parseExpression(); | |
| 5236 check(loc, TOK.TOKrparen); | |
| 5237 break; | |
| 5238 | |
| 5239 case TOK.TOKlbracket: | |
| 5240 { /* Parse array literals and associative array literals: | |
| 5241 * [ value, value, value ... ] | |
| 5242 * [ key:value, key:value, key:value ... ] | |
| 5243 */ | |
| 5244 Expressions values = new Expressions(); | |
| 5245 Expressions keys = null; | |
| 5246 | |
| 5247 nextToken(); | |
| 5248 if (token.value != TOK.TOKrbracket) | |
| 5249 { | |
| 5250 while (token.value != TOK.TOKeof) | |
| 5251 { | |
| 5252 Expression e2 = parseAssignExp(); | |
| 5253 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5254 { | |
| 5255 nextToken(); | |
| 5256 if (!keys) | |
| 5257 keys = new Expressions(); | |
| 5258 keys.push(cast(void*)e2); | |
| 5259 e2 = parseAssignExp(); | |
| 5260 } | |
| 5261 else if (keys) | |
| 5262 { | |
| 5263 error("'key:value' expected for associative array literal"); | |
| 5264 delete keys; | |
| 5265 keys = null; | |
| 5266 } | |
| 5267 values.push(cast(void*)e2); | |
| 5268 if (token.value == TOK.TOKrbracket) | |
| 5269 break; | |
| 5270 check(TOK.TOKcomma); | |
| 5271 } | |
| 5272 } | |
| 5273 check(TOK.TOKrbracket); | |
| 5274 | |
| 5275 if (keys) | |
| 5276 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5277 else | |
| 5278 e = new ArrayLiteralExp(loc, values); | |
| 5279 break; | |
| 5280 } | |
| 5281 | |
| 5282 case TOK.TOKlcurly: | |
| 5283 // { statements... } | |
| 5284 save = TOK.TOKdelegate; | |
| 5285 goto case_delegate; | |
| 5286 | |
| 5287 case TOK.TOKfunction: | |
| 5288 case TOK.TOKdelegate: | |
| 5289 save = token.value; | |
| 5290 nextToken(); | |
| 5291 case_delegate: | |
| 5292 { | |
| 5293 /* function type(parameters) { body } pure nothrow | |
| 5294 * delegate type(parameters) { body } pure nothrow | |
| 5295 * (parameters) { body } | |
| 5296 * { body } | |
| 5297 */ | |
| 5298 Arguments arguments; | |
| 5299 int varargs; | |
| 5300 FuncLiteralDeclaration fd; | |
| 5301 Type tt; | |
| 5302 bool isnothrow = false; | |
| 5303 bool ispure = false; | |
| 5304 | |
| 5305 if (token.value == TOK.TOKlcurly) | |
| 5306 { | |
| 5307 tt = null; | |
| 5308 varargs = 0; | |
| 5309 arguments = new Arguments(); | |
| 5310 } | |
| 5311 else | |
| 5312 { | |
| 5313 if (token.value == TOK.TOKlparen) | |
| 5314 tt = null; | |
| 5315 else | |
| 5316 { | |
| 5317 tt = parseBasicType(); | |
| 5318 tt = parseBasicType2(tt); // function return type | |
| 5319 } | |
| 5320 arguments = parseParameters(&varargs); | |
| 5321 while (1) | |
| 5322 { | |
| 5323 if (token.value == TOK.TOKpure) | |
| 5324 ispure = true; | |
| 5325 else if (token.value == TOK.TOKnothrow) | |
| 5326 isnothrow = true; | |
| 5327 else | |
| 5328 break; | |
| 5329 nextToken(); | |
| 5330 } | |
| 5331 } | |
| 5332 | |
| 5333 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5334 tf.ispure = ispure; | |
| 5335 tf.isnothrow = isnothrow; | |
| 5336 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5337 parseContracts(fd); | |
| 5338 e = new FuncExp(loc, fd); | |
| 5339 break; | |
| 5340 } | |
| 5341 | |
| 5342 default: | |
| 5343 error("expression expected, not '%s'", token.toChars()); | |
| 5344 Lerr: | |
| 5345 // Anything for e, as long as it's not null | |
| 5346 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5347 nextToken(); | |
| 5348 break; | |
| 5349 } | |
| 5350 return e; | |
| 5351 } | |
| 5352 | |
| 5353 Expression parseUnaryExp() | |
| 5354 { | |
| 5355 Expression e; | |
| 5356 Loc loc = this.loc; | |
| 5357 | |
| 5358 switch (token.value) | |
| 5359 { | |
| 5360 case TOK.TOKand: | |
| 5361 nextToken(); | |
| 5362 e = parseUnaryExp(); | |
| 5363 e = new AddrExp(loc, e); | |
| 5364 break; | |
| 5365 | |
| 5366 case TOK.TOKplusplus: | |
| 5367 nextToken(); | |
| 5368 e = parseUnaryExp(); | |
| 5369 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5370 break; | |
| 5371 | |
| 5372 case TOK.TOKminusminus: | |
| 5373 nextToken(); | |
| 5374 e = parseUnaryExp(); | |
| 5375 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5376 break; | |
| 5377 | |
| 5378 case TOK.TOKmul: | |
| 5379 nextToken(); | |
| 5380 e = parseUnaryExp(); | |
| 5381 e = new PtrExp(loc, e); | |
| 5382 break; | |
| 5383 | |
| 5384 case TOK.TOKmin: | |
| 5385 nextToken(); | |
| 5386 e = parseUnaryExp(); | |
| 5387 e = new NegExp(loc, e); | |
| 5388 break; | |
| 5389 | |
| 5390 case TOK.TOKadd: | |
| 5391 nextToken(); | |
| 5392 e = parseUnaryExp(); | |
| 5393 e = new UAddExp(loc, e); | |
| 5394 break; | |
| 5395 | |
| 5396 case TOK.TOKnot: | |
| 5397 nextToken(); | |
| 5398 e = parseUnaryExp(); | |
| 5399 e = new NotExp(loc, e); | |
| 5400 break; | |
| 5401 | |
| 5402 case TOK.TOKtilde: | |
| 5403 nextToken(); | |
| 5404 e = parseUnaryExp(); | |
| 5405 e = new ComExp(loc, e); | |
| 5406 break; | |
| 5407 | |
| 5408 case TOK.TOKdelete: | |
| 5409 nextToken(); | |
| 5410 e = parseUnaryExp(); | |
| 5411 e = new DeleteExp(loc, e); | |
| 5412 break; | |
| 5413 | |
| 5414 case TOK.TOKnew: | |
| 5415 e = parseNewExp(null); | |
| 5416 break; | |
| 5417 | |
| 5418 case TOK.TOKcast: // cast(type) expression | |
| 5419 { | |
| 5420 nextToken(); | |
| 5421 check(TOK.TOKlparen); | |
| 5422 /* Look for cast(), cast(const), cast(immutable), | |
| 5423 * cast(shared), cast(shared const) | |
| 5424 */ | |
| 5425 MOD m; | |
| 5426 if (token.value == TOK.TOKrparen) | |
| 5427 { | |
| 5428 m = MOD.MODundefined; | |
| 5429 goto Lmod1; | |
| 5430 } | |
| 5431 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5432 { | |
| 5433 m = MOD.MODconst; | |
| 5434 goto Lmod2; | |
| 5435 } | |
| 5436 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5437 { | |
| 5438 m = MOD.MODinvariant; | |
| 5439 goto Lmod2; | |
| 5440 } | |
| 5441 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5442 { | |
| 5443 m = MOD.MODshared; | |
| 5444 goto Lmod2; | |
| 5445 } | |
| 5446 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5447 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5448 { | |
| 5449 m = MOD.MODshared | MOD.MODconst; | |
| 5450 nextToken(); | |
| 5451 Lmod2: | |
| 5452 nextToken(); | |
| 5453 Lmod1: | |
| 5454 nextToken(); | |
| 5455 e = parseUnaryExp(); | |
| 5456 e = new CastExp(loc, e, m); | |
| 5457 } | |
| 5458 else | |
| 5459 { | |
| 5460 Type t = parseType(); // ( type ) | |
| 5461 check(TOK.TOKrparen); | |
| 5462 e = parseUnaryExp(); | |
| 5463 e = new CastExp(loc, e, t); | |
| 5464 } | |
| 5465 break; | |
| 5466 } | |
| 5467 | |
| 5468 case TOK.TOKlparen: | |
| 5469 { Token *tk; | |
| 5470 | |
| 5471 tk = peek(&token); | |
| 5472 version (CCASTSYNTAX) { | |
| 5473 // If cast | |
| 5474 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5475 { | |
| 5476 tk = peek(tk); // skip over right parenthesis | |
| 5477 switch (tk.value) | |
| 5478 { | |
| 5479 case TOK.TOKnot: | |
| 5480 tk = peek(tk); | |
| 5481 if (tk.value == TOK.TOKis) // !is | |
| 5482 break; | |
| 5483 case TOK.TOKdot: | |
| 5484 case TOK.TOKplusplus: | |
| 5485 case TOK.TOKminusminus: | |
| 5486 case TOK.TOKdelete: | |
| 5487 case TOK.TOKnew: | |
| 5488 case TOK.TOKlparen: | |
| 5489 case TOK.TOKidentifier: | |
| 5490 case TOK.TOKthis: | |
| 5491 case TOK.TOKsuper: | |
| 5492 case TOK.TOKint32v: | |
| 5493 case TOK.TOKuns32v: | |
| 5494 case TOK.TOKint64v: | |
| 5495 case TOK.TOKuns64v: | |
| 5496 case TOK.TOKfloat32v: | |
| 5497 case TOK.TOKfloat64v: | |
| 5498 case TOK.TOKfloat80v: | |
| 5499 case TOK.TOKimaginary32v: | |
| 5500 case TOK.TOKimaginary64v: | |
| 5501 case TOK.TOKimaginary80v: | |
| 5502 case TOK.TOKnull: | |
| 5503 case TOK.TOKtrue: | |
| 5504 case TOK.TOKfalse: | |
| 5505 case TOK.TOKcharv: | |
| 5506 case TOK.TOKwcharv: | |
| 5507 case TOK.TOKdcharv: | |
| 5508 case TOK.TOKstring: | |
| 5509 static if (false) { | |
| 5510 case TOK.TOKtilde: | |
| 5511 case TOK.TOKand: | |
| 5512 case TOK.TOKmul: | |
| 5513 case TOK.TOKmin: | |
| 5514 case TOK.TOKadd: | |
| 5515 } | |
| 5516 case TOK.TOKfunction: | |
| 5517 case TOK.TOKdelegate: | |
| 5518 case TOK.TOKtypeof: | |
| 5519 version (DMDV2) { | |
| 5520 case TOK.TOKfile: | |
| 5521 case TOK.TOKline: | |
| 5522 } | |
| 5523 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5524 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5525 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5526 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5527 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5528 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5529 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5530 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5531 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5532 case TOK.TOKvoid: // (type)int.size | |
| 5533 { | |
| 5534 // (type) una_exp | |
| 5535 nextToken(); | |
| 5536 Type t = parseType(); | |
| 5537 check(TOK.TOKrparen); | |
| 5538 | |
| 5539 // if .identifier | |
| 5540 if (token.value == TOK.TOKdot) | |
| 5541 { | |
| 5542 nextToken(); | |
| 5543 if (token.value != TOK.TOKidentifier) | |
| 5544 { | |
| 5545 error("Identifier expected following (type)."); | |
| 5546 return null; | |
| 5547 } | |
| 5548 e = typeDotIdExp(loc, t, token.ident); | |
| 5549 nextToken(); | |
| 5550 e = parsePostExp(e); | |
| 5551 } | |
| 5552 else | |
| 5553 { | |
| 5554 e = parseUnaryExp(); | |
| 5555 e = new CastExp(loc, e, t); | |
| 5556 error("C style cast illegal, use %s", e.toChars()); | |
| 5557 } | |
| 5558 return e; | |
| 5559 } | |
| 5560 | |
| 5561 default: | |
| 5562 break; /// | |
| 5563 } | |
| 5564 } | |
| 5565 } | |
| 5566 e = parsePrimaryExp(); | |
| 5567 e = parsePostExp(e); | |
| 5568 break; | |
| 5569 } | |
| 5570 default: | |
| 5571 e = parsePrimaryExp(); | |
| 5572 e = parsePostExp(e); | |
| 5573 break; | |
| 5574 } | |
| 5575 assert(e); | |
| 5576 return e; | |
| 5577 } | |
| 5578 | |
| 5579 Expression parsePostExp(Expression e) | |
| 5580 { | |
| 5581 Loc loc; | |
| 5582 | |
| 5583 while (1) | |
| 5584 { | |
| 5585 loc = this.loc; | |
| 5586 switch (token.value) | |
| 5587 { | |
| 5588 case TOK.TOKdot: | |
| 5589 nextToken(); | |
| 5590 if (token.value == TOK.TOKidentifier) | |
| 5591 { Identifier id = token.ident; | |
| 5592 | |
| 5593 nextToken(); | |
| 5594 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5595 { // identifier!(template-argument-list) | |
| 5596 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5597 nextToken(); | |
| 5598 if (token.value == TOK.TOKlparen) | |
| 5599 // ident!(template_arguments) | |
| 5600 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5601 else | |
| 5602 // ident!template_argument | |
| 5603 tempinst.tiargs = parseTemplateArgument(); | |
| 5604 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5605 } | |
| 5606 else | |
| 5607 e = new DotIdExp(loc, e, id); | |
| 5608 continue; | |
| 5609 } | |
| 5610 else if (token.value == TOK.TOKnew) | |
| 5611 { | |
| 5612 e = parseNewExp(e); | |
| 5613 continue; | |
| 5614 } | |
| 5615 else | |
| 5616 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5617 break; | |
| 5618 | |
| 5619 case TOK.TOKplusplus: | |
| 5620 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5621 break; | |
| 5622 | |
| 5623 case TOK.TOKminusminus: | |
| 5624 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5625 break; | |
| 5626 | |
| 5627 case TOK.TOKlparen: | |
| 5628 e = new CallExp(loc, e, parseArguments()); | |
| 5629 continue; | |
| 5630 | |
| 5631 case TOK.TOKlbracket: | |
| 5632 { // array dereferences: | |
| 5633 // array[index] | |
| 5634 // array[] | |
| 5635 // array[lwr .. upr] | |
| 5636 Expression index; | |
| 5637 Expression upr; | |
| 5638 | |
| 5639 inBrackets++; | |
| 5640 nextToken(); | |
| 5641 if (token.value == TOK.TOKrbracket) | |
| 5642 { // array[] | |
| 5643 e = new SliceExp(loc, e, null, null); | |
| 5644 nextToken(); | |
| 5645 } | |
| 5646 else | |
| 5647 { | |
| 5648 index = parseAssignExp(); | |
| 5649 if (token.value == TOK.TOKslice) | |
| 5650 { // array[lwr .. upr] | |
| 5651 nextToken(); | |
| 5652 upr = parseAssignExp(); | |
| 5653 e = new SliceExp(loc, e, index, upr); | |
| 5654 } | |
| 5655 else | |
| 5656 { // array[index, i2, i3, i4, ...] | |
| 5657 Expressions arguments = new Expressions(); | |
| 5658 arguments.push(cast(void*)index); | |
| 5659 if (token.value == TOK.TOKcomma) | |
| 5660 { | |
| 5661 nextToken(); | |
| 5662 while (1) | |
| 5663 { Expression arg; | |
| 5664 | |
| 5665 arg = parseAssignExp(); | |
| 5666 arguments.push(cast(void*)arg); | |
| 5667 if (token.value == TOK.TOKrbracket) | |
| 5668 break; | |
| 5669 check(TOK.TOKcomma); | |
| 5670 } | |
| 5671 } | |
| 5672 e = new ArrayExp(loc, e, arguments); | |
| 5673 } | |
| 5674 check(TOK.TOKrbracket); | |
| 5675 inBrackets--; | |
| 5676 } | |
| 5677 continue; | |
| 5678 } | |
| 5679 | |
| 5680 default: | |
| 5681 return e; | |
| 5682 } | |
| 5683 nextToken(); | |
| 5684 } | |
| 5685 | |
| 5686 assert(false); | |
| 5687 } | |
| 5688 | |
| 5689 Expression parseMulExp() | |
| 5690 { | |
| 5691 Expression e; | |
| 5692 Expression e2; | |
| 5693 Loc loc = this.loc; | |
| 5694 | |
| 5695 e = parseUnaryExp(); | |
| 5696 while (1) | |
| 5697 { | |
| 5698 switch (token.value) | |
| 5699 { | |
| 5700 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5701 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5702 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5703 | |
| 5704 default: | |
| 5705 break; | |
| 5706 } | |
| 5707 break; | |
| 5708 } | |
| 5709 return e; | |
| 5710 } | |
| 5711 | |
| 5712 Expression parseShiftExp() | |
| 5713 { | |
| 5714 Expression e; | |
| 5715 Expression e2; | |
| 5716 Loc loc = this.loc; | |
| 5717 | |
| 5718 e = parseAddExp(); | |
| 5719 while (1) | |
| 5720 { | |
| 5721 switch (token.value) | |
| 5722 { | |
| 5723 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5724 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5725 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5726 | |
| 5727 default: | |
| 5728 break; | |
| 5729 } | |
| 5730 break; | |
| 5731 } | |
| 5732 return e; | |
| 5733 } | |
| 5734 | |
| 5735 Expression parseAddExp() | |
| 5736 { | |
| 5737 Expression e; | |
| 5738 Expression e2; | |
| 5739 Loc loc = this.loc; | |
| 5740 | |
| 5741 e = parseMulExp(); | |
| 5742 while (1) | |
| 5743 { | |
| 5744 switch (token.value) | |
| 5745 { | |
| 5746 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5747 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5748 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5749 | |
| 5750 default: | |
| 5751 break; | |
| 5752 } | |
| 5753 break; | |
| 5754 } | |
| 5755 return e; | |
| 5756 } | |
| 5757 | |
| 5758 Expression parseRelExp() | |
| 5759 { | |
| 5760 assert(false); | |
| 5761 } | |
| 5762 | |
| 5763 Expression parseEqualExp() | |
| 5764 { | |
| 5765 assert(false); | |
| 5766 } | |
| 5767 | |
| 5768 Expression parseCmpExp() | |
| 5769 { | |
| 5770 Expression e; | |
| 5771 Expression e2; | |
| 5772 Token* t; | |
| 5773 Loc loc = this.loc; | |
| 5774 | |
| 5775 e = parseShiftExp(); | |
| 5776 TOK op = token.value; | |
| 5777 | |
| 5778 switch (op) | |
| 5779 { | |
| 5780 case TOK.TOKequal: | |
| 5781 case TOK.TOKnotequal: | |
| 5782 nextToken(); | |
| 5783 e2 = parseShiftExp(); | |
| 5784 e = new EqualExp(op, loc, e, e2); | |
| 5785 break; | |
| 5786 | |
| 5787 case TOK.TOKis: | |
| 5788 op = TOK.TOKidentity; | |
| 5789 goto L1; | |
| 5790 | |
| 5791 case TOK.TOKnot: | |
| 5792 // Attempt to identify '!is' | |
| 5793 t = peek(&token); | |
| 5794 if (t.value != TOK.TOKis) | |
| 5795 break; | |
| 5796 nextToken(); | |
| 5797 op = TOK.TOKnotidentity; | |
| 5798 goto L1; | |
| 5799 | |
| 5800 L1: | |
| 5801 nextToken(); | |
| 5802 e2 = parseShiftExp(); | |
| 5803 e = new IdentityExp(op, loc, e, e2); | |
| 5804 break; | |
| 5805 | |
| 5806 case TOK.TOKlt: | |
| 5807 case TOK.TOKle: | |
| 5808 case TOK.TOKgt: | |
| 5809 case TOK.TOKge: | |
| 5810 case TOK.TOKunord: | |
| 5811 case TOK.TOKlg: | |
| 5812 case TOK.TOKleg: | |
| 5813 case TOK.TOKule: | |
| 5814 case TOK.TOKul: | |
| 5815 case TOK.TOKuge: | |
| 5816 case TOK.TOKug: | |
| 5817 case TOK.TOKue: | |
| 5818 nextToken(); | |
| 5819 e2 = parseShiftExp(); | |
| 5820 e = new CmpExp(op, loc, e, e2); | |
| 5821 break; | |
| 5822 | |
| 5823 case TOK.TOKin: | |
| 5824 nextToken(); | |
| 5825 e2 = parseShiftExp(); | |
| 5826 e = new InExp(loc, e, e2); | |
| 5827 break; | |
| 5828 | |
| 5829 default: | |
| 5830 break; | |
| 5831 } | |
| 5832 return e; | |
| 5833 } | |
| 5834 | |
| 5835 Expression parseAndExp() | |
| 5836 { | |
| 5837 Expression e; | |
| 5838 Expression e2; | |
| 5839 Loc loc = this.loc; | |
| 5840 | |
| 5841 if (global.params.Dversion == 1) | |
| 5842 { | |
| 5843 e = parseEqualExp(); | |
| 5844 while (token.value == TOK.TOKand) | |
| 5845 { | |
| 5846 nextToken(); | |
| 5847 e2 = parseEqualExp(); | |
| 5848 e = new AndExp(loc,e,e2); | |
| 5849 loc = this.loc; | |
| 5850 } | |
| 5851 } | |
| 5852 else | |
| 5853 { | |
| 5854 e = parseCmpExp(); | |
| 5855 while (token.value == TOK.TOKand) | |
| 5856 { | |
| 5857 nextToken(); | |
| 5858 e2 = parseCmpExp(); | |
| 5859 e = new AndExp(loc,e,e2); | |
| 5860 loc = this.loc; | |
| 5861 } | |
| 5862 } | |
| 5863 return e; | |
| 5864 } | |
| 5865 | |
| 5866 Expression parseXorExp() | |
| 5867 { | |
| 5868 Expression e; | |
| 5869 Expression e2; | |
| 5870 Loc loc = this.loc; | |
| 5871 | |
| 5872 e = parseAndExp(); | |
| 5873 while (token.value == TOK.TOKxor) | |
| 5874 { | |
| 5875 nextToken(); | |
| 5876 e2 = parseAndExp(); | |
| 5877 e = new XorExp(loc, e, e2); | |
| 5878 } | |
| 5879 | |
| 5880 return e; | |
| 5881 } | |
| 5882 | |
| 5883 Expression parseOrExp() | |
| 5884 { | |
| 5885 Expression e; | |
| 5886 Expression e2; | |
| 5887 Loc loc = this.loc; | |
| 5888 | |
| 5889 e = parseXorExp(); | |
| 5890 while (token.value == TOK.TOKor) | |
| 5891 { | |
| 5892 nextToken(); | |
| 5893 e2 = parseXorExp(); | |
| 5894 e = new OrExp(loc, e, e2); | |
| 5895 } | |
| 5896 return e; | |
| 5897 } | |
| 5898 | |
| 5899 Expression parseAndAndExp() | |
| 5900 { | |
| 5901 Expression e; | |
| 5902 Expression e2; | |
| 5903 Loc loc = this.loc; | |
| 5904 | |
| 5905 e = parseOrExp(); | |
| 5906 while (token.value == TOK.TOKandand) | |
| 5907 { | |
| 5908 nextToken(); | |
| 5909 e2 = parseOrExp(); | |
| 5910 e = new AndAndExp(loc, e, e2); | |
| 5911 } | |
| 5912 return e; | |
| 5913 } | |
| 5914 | |
| 5915 Expression parseOrOrExp() | |
| 5916 { | |
| 5917 Expression e; | |
| 5918 Expression e2; | |
| 5919 Loc loc = this.loc; | |
| 5920 | |
| 5921 e = parseAndAndExp(); | |
| 5922 while (token.value == TOK.TOKoror) | |
| 5923 { | |
| 5924 nextToken(); | |
| 5925 e2 = parseAndAndExp(); | |
| 5926 e = new OrOrExp(loc, e, e2); | |
| 5927 } | |
| 5928 | |
| 5929 return e; | |
| 5930 } | |
| 5931 | |
| 5932 Expression parseCondExp() | |
| 5933 { | |
| 5934 Expression e; | |
| 5935 Expression e1; | |
| 5936 Expression e2; | |
| 5937 Loc loc = this.loc; | |
| 5938 | |
| 5939 e = parseOrOrExp(); | |
| 5940 if (token.value == TOK.TOKquestion) | |
| 5941 { | |
| 5942 nextToken(); | |
| 5943 e1 = parseExpression(); | |
| 5944 check(TOK.TOKcolon); | |
| 5945 e2 = parseCondExp(); | |
| 5946 e = new CondExp(loc, e, e1, e2); | |
| 5947 } | |
| 5948 return e; | |
| 5949 } | |
| 5950 | |
| 5951 Expression parseAssignExp() | |
| 5952 { | |
| 5953 Expression e; | |
| 5954 Expression e2; | |
| 5955 Loc loc; | |
| 5956 | |
| 5957 e = parseCondExp(); | |
| 5958 while (1) | |
| 5959 { | |
| 5960 loc = this.loc; | |
| 5961 switch (token.value) | |
| 5962 { | |
| 5963 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 5964 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 5965 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 5966 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 5967 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 5968 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 5969 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 5970 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 5971 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 5972 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 5973 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 5974 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 5975 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 5976 | |
| 5977 default: | |
| 5978 break; | |
| 5979 } | |
| 5980 break; | |
| 5981 } | |
| 5982 | |
| 5983 return e; | |
| 5984 } | |
| 5985 | |
| 5986 /************************* | |
| 5987 * Collect argument list. | |
| 5988 * Assume current token is ',', '(' or '['. | |
| 5989 */ | |
| 5990 Expressions parseArguments() | |
| 5991 { | |
| 5992 // function call | |
| 5993 Expressions arguments = new Expressions(); | |
| 5994 Expression arg; | |
| 5995 TOK endtok; | |
| 5996 | |
| 5997 if (token.value == TOK.TOKlbracket) | |
| 5998 endtok = TOK.TOKrbracket; | |
| 5999 else | |
| 6000 endtok = TOK.TOKrparen; | |
| 6001 | |
| 6002 { | |
| 6003 nextToken(); | |
| 6004 if (token.value != endtok) | |
| 6005 { | |
| 6006 while (1) | |
| 6007 { | |
| 6008 arg = parseAssignExp(); | |
| 6009 arguments.push(cast(void*)arg); | |
| 6010 if (token.value == endtok) | |
| 6011 break; | |
| 6012 check(TOK.TOKcomma); | |
| 6013 } | |
| 6014 } | |
| 6015 check(endtok); | |
| 6016 } | |
| 6017 return arguments; | |
| 6018 } | |
| 6019 | |
| 6020 Expression parseNewExp(Expression thisexp) | |
| 6021 { | |
| 6022 Type t; | |
| 6023 Expressions newargs; | |
| 6024 Expressions arguments = null; | |
| 6025 Expression e; | |
| 6026 Loc loc = this.loc; | |
| 6027 | |
| 6028 nextToken(); | |
| 6029 newargs = null; | |
| 6030 if (token.value == TOKlparen) | |
| 6031 { | |
| 6032 newargs = parseArguments(); | |
| 6033 } | |
| 6034 | |
| 6035 // An anonymous nested class starts with "class" | |
| 6036 if (token.value == TOKclass) | |
| 6037 { | |
| 6038 nextToken(); | |
| 6039 if (token.value == TOKlparen) | |
| 6040 arguments = parseArguments(); | |
| 6041 | |
| 6042 BaseClasses baseclasses = null; | |
| 6043 if (token.value != TOKlcurly) | |
| 6044 baseclasses = parseBaseClasses(); | |
| 6045 | |
| 6046 Identifier id = null; | |
| 6047 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6048 | |
| 6049 if (token.value != TOKlcurly) | |
| 6050 { | |
| 6051 error("{ members } expected for anonymous class"); | |
| 6052 cd.members = null; | |
| 6053 } | |
| 6054 else | |
| 6055 { | |
| 6056 nextToken(); | |
| 6057 Array decl = parseDeclDefs(0); | |
| 6058 if (token.value != TOKrcurly) | |
| 6059 error("class member expected"); | |
| 6060 nextToken(); | |
| 6061 cd.members = decl; | |
| 6062 } | |
| 6063 | |
| 6064 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6065 | |
| 6066 return e; | |
| 6067 } | |
| 6068 | |
| 6069 t = parseBasicType(); | |
| 6070 t = parseBasicType2(t); | |
| 6071 if (t.ty == Taarray) | |
| 6072 { | |
| 6073 TypeAArray taa = cast(TypeAArray)t; | |
| 6074 Type index = taa.index; | |
| 6075 | |
| 6076 Expression e2 = index.toExpression(); | |
| 6077 if (e2) | |
| 6078 { | |
| 6079 arguments = new Expressions(); | |
| 6080 arguments.push(cast(void*)e2); | |
| 6081 t = new TypeDArray(taa.next); | |
| 6082 } | |
| 6083 else | |
| 6084 { | |
| 6085 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6086 return new NullExp(loc); | |
| 6087 } | |
| 6088 } | |
| 6089 else if (t.ty == Tsarray) | |
| 6090 { | |
| 6091 TypeSArray tsa = cast(TypeSArray)t; | |
| 6092 Expression ee = tsa.dim; | |
| 6093 | |
| 6094 arguments = new Expressions(); | |
| 6095 arguments.push(cast(void*)ee); | |
| 6096 t = new TypeDArray(tsa.next); | |
| 6097 } | |
| 6098 else if (token.value == TOKlparen) | |
| 6099 { | |
| 6100 arguments = parseArguments(); | |
| 6101 } | |
| 6102 | |
| 6103 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6104 return e; | |
| 6105 } | |
| 6106 | |
| 6107 void addComment(Dsymbol s, ubyte* blockComment) | |
| 6108 { | |
| 6109 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6110 token.lineComment = null; | |
| 6111 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6112 } |