Mercurial > projects > ddmd
annotate dmd/Parser.d @ 94:3a0b150c9841
Objects -> Vector!Object iteration 1
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Mon, 30 Aug 2010 23:00:34 +0100 |
| parents | be2ab491772e |
| children | 12c0c84d13fd |
| 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; | |
| 79 | 142 import dmd.TypeNewArray; |
| 0 | 143 import dmd.TypeNext; |
| 144 import dmd.TypeInstance; | |
| 145 import dmd.TypePointer; | |
| 146 import dmd.TypeDArray; | |
| 147 import dmd.TypeAArray; | |
| 148 import dmd.TypeSlice; | |
| 149 import dmd.TypeSArray; | |
| 150 import dmd.TemplateInstance; | |
| 151 import dmd.TypeIdentifier; | |
| 152 import dmd.VarDeclaration; | |
| 153 import dmd.TypeFunction; | |
| 154 import dmd.TypeDelegate; | |
| 155 import dmd.TY; | |
| 156 import dmd.LinkDeclaration; | |
| 157 import dmd.Declaration; | |
| 158 import dmd.AggregateDeclaration; | |
| 159 import dmd.TypedefDeclaration; | |
| 160 import dmd.AliasDeclaration; | |
| 161 import dmd.LINK; | |
| 162 import dmd.Loc; | |
| 163 import dmd.Module; | |
| 164 import dmd.Array; | |
| 165 import dmd.Expression; | |
| 166 import dmd.TemplateDeclaration; | |
| 167 import dmd.ArrayTypes; | |
| 168 import dmd.Dsymbol; | |
| 169 import dmd.StaticAssert; | |
| 170 import dmd.TypeQualified; | |
| 171 import dmd.Condition; | |
| 172 import dmd.PostBlitDeclaration; | |
| 173 import dmd.DtorDeclaration; | |
| 174 import dmd.ConditionalDeclaration; | |
| 175 import dmd.StaticCtorDeclaration; | |
| 176 import dmd.StaticDtorDeclaration; | |
| 177 import dmd.InvariantDeclaration; | |
| 178 import dmd.UnitTestDeclaration; | |
| 179 import dmd.NewDeclaration; | |
| 180 import dmd.DeleteDeclaration; | |
| 181 import dmd.EnumDeclaration; | |
| 182 import dmd.Import; | |
| 183 import dmd.Type; | |
| 184 import dmd.Identifier; | |
| 185 import dmd.FuncDeclaration; | |
| 186 import dmd.Statement; | |
| 187 import dmd.Initializer; | |
| 188 import dmd.Token; | |
| 189 import dmd.TOK; | |
| 190 import dmd.ParseStatementFlags; | |
| 191 import dmd.PROT; | |
| 192 import dmd.STC; | |
| 193 import dmd.Util; | |
| 194 import dmd.CompileDeclaration; | |
| 195 import dmd.StaticIfDeclaration; | |
| 196 import dmd.StorageClassDeclaration; | |
| 197 import dmd.LinkDeclaration; | |
| 198 import dmd.ProtDeclaration; | |
| 199 import dmd.AlignDeclaration; | |
| 200 import dmd.PragmaDeclaration; | |
| 201 import dmd.DebugSymbol; | |
| 202 import dmd.VersionSymbol; | |
| 203 import dmd.AliasThis; | |
| 204 import dmd.Global; | |
| 205 | |
| 206 import core.stdc.string : memcpy; | |
| 207 | |
| 34 | 208 import std.exception; |
| 4 | 209 import core.memory; |
| 0 | 210 |
| 211 class Parser : Lexer | |
| 212 { | |
| 213 ModuleDeclaration md; | |
| 214 LINK linkage; | |
| 215 Loc endloc; // set to location of last right curly | |
| 216 int inBrackets; // inside [] of array index or slice | |
| 217 | |
| 218 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 219 { | |
| 220 super(module_, base, 0, length, doDocComment, 0); | |
| 221 //printf("Parser.Parser()\n"); | |
| 222 linkage = LINK.LINKd; | |
| 223 //nextToken(); // start up the scanner | |
| 224 } | |
| 225 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
226 Dsymbols parseModule() |
| 0 | 227 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
228 typeof(return) decldefs; |
| 0 | 229 |
| 230 // ModuleDeclation leads off | |
| 231 if (token.value == TOK.TOKmodule) | |
| 232 { | |
| 79 | 233 string comment = token.blockComment; |
| 0 | 234 bool safe = false; |
| 235 | |
| 236 nextToken(); | |
| 237 version (DMDV2) { | |
| 238 if (token.value == TOK.TOKlparen) | |
| 239 { | |
| 240 nextToken(); | |
| 241 if (token.value != TOK.TOKidentifier) | |
| 242 { | |
| 243 error("module (system) identifier expected"); | |
| 244 goto Lerr; | |
| 245 } | |
| 246 Identifier id = token.ident; | |
| 247 | |
| 248 if (id is Id.system) | |
| 249 safe = true; | |
| 250 else | |
| 251 error("(safe) expected, not %s", id.toChars()); | |
| 252 nextToken(); | |
| 253 check(TOK.TOKrparen); | |
| 254 } | |
| 255 } | |
| 256 | |
| 257 if (token.value != TOK.TOKidentifier) | |
| 258 { | |
| 259 error("Identifier expected following module"); | |
| 260 goto Lerr; | |
| 261 } | |
| 262 else | |
| 263 { | |
| 264 Array a = null; | |
| 265 Identifier id = token.ident; | |
| 266 while (nextToken() == TOK.TOKdot) | |
| 267 { | |
| 268 if (!a) | |
| 269 a = new Array(); | |
| 270 a.push(cast(void*)id); | |
| 271 nextToken(); | |
| 272 if (token.value != TOK.TOKidentifier) | |
| 273 { error("Identifier expected following package"); | |
| 274 goto Lerr; | |
| 275 } | |
| 276 id = token.ident; | |
| 277 } | |
| 278 | |
| 279 md = new ModuleDeclaration(a, id, safe); | |
| 280 | |
| 281 if (token.value != TOK.TOKsemicolon) | |
| 282 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 283 | |
| 284 nextToken(); | |
| 285 addComment(mod, comment); | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 decldefs = parseDeclDefs(0); | |
| 290 if (token.value != TOK.TOKeof) | |
| 291 { | |
| 292 error("unrecognized declaration"); | |
| 293 goto Lerr; | |
| 294 } | |
| 295 | |
| 296 return decldefs; | |
| 297 | |
| 298 Lerr: | |
| 299 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 300 nextToken(); | |
| 301 | |
| 302 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
303 return new Dsymbols(); |
| 0 | 304 } |
| 305 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
306 Dsymbols parseDeclDefs(int once) |
| 0 | 307 { |
| 308 Dsymbol s; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
309 Dsymbols decldefs; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
310 Dsymbols a; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
311 Dsymbols aelse; |
| 0 | 312 PROT prot; |
| 313 STC stc; | |
| 314 STC storageClass; | |
| 315 Condition condition; | |
| 79 | 316 string comment; |
| 0 | 317 |
| 318 //printf("Parser.parseDeclDefs()\n"); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
319 decldefs = new Dsymbols(); |
| 0 | 320 do |
| 321 { | |
| 322 comment = token.blockComment; | |
| 323 storageClass = STC.STCundefined; | |
| 324 switch (token.value) | |
| 325 { | |
| 326 case TOK.TOKenum: | |
| 327 { /* Determine if this is a manifest constant declaration, | |
| 328 * or a conventional enum. | |
| 329 */ | |
| 330 Token *t = peek(&token); | |
| 331 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 332 s = parseEnum(); | |
| 333 else if (t.value != TOK.TOKidentifier) | |
| 334 goto Ldeclaration; | |
| 335 else | |
| 336 { | |
| 337 t = peek(t); | |
| 338 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 339 t.value == TOK.TOKsemicolon) | |
| 340 s = parseEnum(); | |
| 341 else | |
| 342 goto Ldeclaration; | |
| 343 } | |
| 344 break; | |
| 345 } | |
| 346 | |
| 347 case TOK.TOKstruct: | |
| 348 case TOK.TOKunion: | |
| 349 case TOK.TOKclass: | |
| 350 case TOK.TOKinterface: | |
| 351 s = parseAggregate(); | |
| 352 break; | |
| 353 | |
| 354 case TOK.TOKimport: | |
| 355 s = parseImport(decldefs, 0); | |
| 356 break; | |
| 357 | |
| 358 case TOK.TOKtemplate: | |
| 359 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 360 break; | |
| 361 | |
| 362 case TOK.TOKmixin: | |
| 363 { Loc loc = this.loc; | |
| 364 if (peek(&token).value == TOK.TOKlparen) | |
| 365 { // mixin(string) | |
| 366 nextToken(); | |
| 367 check(TOK.TOKlparen, "mixin"); | |
| 368 Expression e = parseAssignExp(); | |
| 369 check(TOK.TOKrparen); | |
| 370 check(TOK.TOKsemicolon); | |
| 371 s = new CompileDeclaration(loc, e); | |
| 372 break; | |
| 373 } | |
| 374 s = parseMixin(); | |
| 375 break; | |
| 376 } | |
| 377 | |
| 378 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 379 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 380 case TOK.TOKint8: case TOK.TOKuns8: | |
| 381 case TOK.TOKint16: case TOK.TOKuns16: | |
| 382 case TOK.TOKint32: case TOK.TOKuns32: | |
| 383 case TOK.TOKint64: case TOK.TOKuns64: | |
| 384 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 385 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 386 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 387 case TOK.TOKvoid: | |
| 388 case TOK.TOKalias: | |
| 389 case TOK.TOKtypedef: | |
| 390 case TOK.TOKidentifier: | |
| 391 case TOK.TOKtypeof: | |
| 392 case TOK.TOKdot: | |
| 393 Ldeclaration: | |
| 394 a = parseDeclarations(STC.STCundefined); | |
| 395 decldefs.append(a); | |
| 396 continue; | |
| 397 | |
| 398 case TOK.TOKthis: | |
| 399 s = parseCtor(); | |
| 400 break; | |
| 401 | |
| 402 static if (false) { // dead end, use this(this){} instead | |
| 403 case TOK.TOKassign: | |
| 404 s = parsePostBlit(); | |
| 405 break; | |
| 406 } | |
| 407 case TOK.TOKtilde: | |
| 408 s = parseDtor(); | |
| 409 break; | |
| 410 | |
| 411 case TOK.TOKinvariant: | |
| 412 { Token *t; | |
| 413 t = peek(&token); | |
| 414 if (t.value == TOK.TOKlparen) | |
| 415 { | |
| 416 if (peek(t).value == TOK.TOKrparen) | |
| 417 // invariant() forms start of class invariant | |
| 418 s = parseInvariant(); | |
| 419 else | |
| 420 // invariant(type) | |
| 421 goto Ldeclaration; | |
| 422 } | |
| 423 else | |
| 424 { | |
| 425 stc = STC.STCimmutable; | |
| 426 goto Lstc; | |
| 427 } | |
| 428 break; | |
| 429 } | |
| 430 | |
| 431 case TOK.TOKunittest: | |
| 432 s = parseUnitTest(); | |
| 433 break; | |
| 434 | |
| 435 case TOK.TOKnew: | |
| 436 s = parseNew(); | |
| 437 break; | |
| 438 | |
| 439 case TOK.TOKdelete: | |
| 440 s = parseDelete(); | |
| 441 break; | |
| 442 | |
| 443 case TOK.TOKeof: | |
| 444 case TOK.TOKrcurly: | |
| 445 return decldefs; | |
| 446 | |
| 447 case TOK.TOKstatic: | |
| 448 nextToken(); | |
| 449 if (token.value == TOK.TOKthis) | |
| 450 s = parseStaticCtor(); | |
| 451 else if (token.value == TOK.TOKtilde) | |
| 452 s = parseStaticDtor(); | |
| 453 else if (token.value == TOK.TOKassert) | |
| 454 s = parseStaticAssert(); | |
| 455 else if (token.value == TOK.TOKif) | |
| 456 { condition = parseStaticIfCondition(); | |
| 457 a = parseBlock(); | |
| 458 aelse = null; | |
| 459 if (token.value == TOK.TOKelse) | |
| 460 { nextToken(); | |
| 461 aelse = parseBlock(); | |
| 462 } | |
| 463 s = new StaticIfDeclaration(condition, a, aelse); | |
| 464 break; | |
| 465 } | |
| 466 else if (token.value == TOK.TOKimport) | |
| 467 { | |
| 468 s = parseImport(decldefs, 1); | |
| 469 } | |
| 470 else | |
| 471 { stc = STC.STCstatic; | |
| 472 goto Lstc2; | |
| 473 } | |
| 474 break; | |
| 475 | |
| 476 case TOK.TOKconst: | |
| 477 if (peek(&token).value == TOK.TOKlparen) | |
| 478 goto Ldeclaration; | |
| 479 stc = STC.STCconst; | |
| 480 goto Lstc; | |
| 481 | |
| 482 case TOK.TOKimmutable: | |
| 483 if (peek(&token).value == TOK.TOKlparen) | |
| 484 goto Ldeclaration; | |
| 485 stc = STC.STCimmutable; | |
| 486 goto Lstc; | |
| 487 | |
| 488 case TOK.TOKshared: | |
| 489 if (peek(&token).value == TOK.TOKlparen) | |
| 490 goto Ldeclaration; | |
| 491 stc = STC.STCshared; | |
| 492 goto Lstc; | |
| 493 | |
| 494 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 495 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 496 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 497 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 498 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 499 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 500 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 501 version (DMDV2) { | |
| 502 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 503 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 504 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 505 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 506 case TOK.TOKgshared: | |
| 507 stc = STC.STCgshared; goto Lstc; | |
| 508 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 509 } | |
| 510 | |
| 511 Lstc: | |
| 512 if (storageClass & stc) | |
| 513 error("redundant storage class %s", Token.toChars(token.value)); | |
| 514 composeStorageClass(storageClass | stc); | |
| 515 nextToken(); | |
| 516 Lstc2: | |
| 517 storageClass |= stc; | |
| 518 switch (token.value) | |
| 519 { | |
| 520 case TOK.TOKconst: | |
| 521 case TOK.TOKinvariant: | |
| 522 case TOK.TOKimmutable: | |
| 523 case TOK.TOKshared: | |
| 524 // If followed by a (, it is not a storage class | |
| 525 if (peek(&token).value == TOK.TOKlparen) | |
| 526 break; | |
| 527 if (token.value == TOK.TOKconst) | |
| 528 stc = STC.STCconst; | |
| 529 else if (token.value == TOK.TOKshared) | |
| 530 stc = STC.STCshared; | |
| 531 else | |
| 532 stc = STC.STCimmutable; | |
| 533 goto Lstc; | |
| 534 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 535 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 536 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 537 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 538 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 539 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 540 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 541 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 542 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 543 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 544 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 545 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 546 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 547 default: | |
| 548 break; | |
| 549 } | |
| 550 | |
| 551 /* Look for auto initializers: | |
| 552 * storage_class identifier = initializer; | |
| 553 */ | |
| 554 if (token.value == TOK.TOKidentifier && | |
| 555 peek(&token).value == TOK.TOKassign) | |
| 556 { | |
| 557 a = parseAutoDeclarations(storageClass, comment); | |
| 558 decldefs.append(a); | |
| 559 continue; | |
| 560 } | |
| 561 | |
| 562 /* Look for return type inference for template functions. | |
| 563 */ | |
| 564 Token *tk; | |
| 565 if (token.value == TOK.TOKidentifier && | |
| 566 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 567 skipParens(tk, &tk) && | |
| 568 (peek(tk).value == TOK.TOKlparen || | |
| 569 peek(tk).value == TOK.TOKlcurly) | |
| 570 ) | |
| 571 { | |
| 572 a = parseDeclarations(storageClass); | |
| 573 decldefs.append(a); | |
| 574 continue; | |
| 575 } | |
| 576 a = parseBlock(); | |
| 577 s = new StorageClassDeclaration(storageClass, a); | |
| 578 break; | |
| 579 | |
| 580 case TOK.TOKextern: | |
| 581 if (peek(&token).value != TOK.TOKlparen) | |
| 582 { | |
| 583 stc = STC.STCextern; | |
| 584 goto Lstc; | |
| 585 } | |
| 586 { | |
| 587 LINK linksave = linkage; | |
| 588 linkage = parseLinkage(); | |
| 589 a = parseBlock(); | |
| 590 s = new LinkDeclaration(linkage, a); | |
| 591 linkage = linksave; | |
| 592 break; | |
| 593 } | |
| 594 | |
| 595 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 596 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 597 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 598 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 599 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 600 Lprot: | |
| 601 nextToken(); | |
| 602 switch (token.value) | |
| 603 { | |
| 604 case TOK.TOKprivate: | |
| 605 case TOK.TOKpackage: | |
| 606 case TOK.TOKprotected: | |
| 607 case TOK.TOKpublic: | |
| 608 case TOK.TOKexport: | |
| 609 error("redundant protection attribute"); | |
| 610 break; | |
| 611 default: | |
| 612 break; | |
| 613 } | |
| 614 a = parseBlock(); | |
| 615 s = new ProtDeclaration(prot, a); | |
| 616 break; | |
| 617 | |
| 618 case TOK.TOKalign: | |
| 619 { uint n; | |
| 620 | |
| 621 s = null; | |
| 622 nextToken(); | |
| 623 if (token.value == TOK.TOKlparen) | |
| 624 { | |
| 625 nextToken(); | |
| 626 if (token.value == TOK.TOKint32v) | |
| 627 n = cast(uint)token.uns64value; | |
| 628 else | |
| 629 { error("integer expected, not %s", token.toChars()); | |
| 630 n = 1; | |
| 631 } | |
| 632 nextToken(); | |
| 633 check(TOK.TOKrparen); | |
| 634 } | |
| 635 else | |
| 636 n = global.structalign; // default | |
| 637 | |
| 638 a = parseBlock(); | |
| 639 s = new AlignDeclaration(n, a); | |
| 640 break; | |
| 641 } | |
| 642 | |
| 643 case TOK.TOKpragma: | |
| 644 { Identifier ident; | |
| 645 Expressions args = null; | |
| 646 | |
| 647 nextToken(); | |
| 648 check(TOK.TOKlparen); | |
| 649 if (token.value != TOK.TOKidentifier) | |
| 650 { error("pragma(identifier expected"); | |
| 651 goto Lerror; | |
| 652 } | |
| 653 ident = token.ident; | |
| 654 nextToken(); | |
| 655 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 656 args = parseArguments(); // pragma(identifier, args...) | |
| 657 else | |
| 658 check(TOK.TOKrparen); // pragma(identifier) | |
| 659 | |
| 660 if (token.value == TOK.TOKsemicolon) | |
| 661 a = null; | |
| 662 else | |
| 663 a = parseBlock(); | |
| 664 s = new PragmaDeclaration(loc, ident, args, a); | |
| 665 break; | |
| 666 } | |
| 667 | |
| 668 case TOK.TOKdebug: | |
| 669 nextToken(); | |
| 670 if (token.value == TOK.TOKassign) | |
| 671 { | |
| 672 nextToken(); | |
| 673 if (token.value == TOK.TOKidentifier) | |
| 674 s = new DebugSymbol(loc, token.ident); | |
| 675 else if (token.value == TOK.TOKint32v) | |
| 676 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 677 else | |
| 678 { error("identifier or integer expected, not %s", token.toChars()); | |
| 679 s = null; | |
| 680 } | |
| 681 nextToken(); | |
| 682 if (token.value != TOK.TOKsemicolon) | |
| 683 error("semicolon expected"); | |
| 684 nextToken(); | |
| 685 break; | |
| 686 } | |
| 687 | |
| 688 condition = parseDebugCondition(); | |
| 689 goto Lcondition; | |
| 690 | |
| 691 case TOK.TOKversion: | |
| 692 nextToken(); | |
| 693 if (token.value == TOK.TOKassign) | |
| 694 { | |
| 695 nextToken(); | |
| 696 if (token.value == TOK.TOKidentifier) | |
| 697 s = new VersionSymbol(loc, token.ident); | |
| 698 else if (token.value == TOK.TOKint32v) | |
| 699 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 700 else | |
| 701 { error("identifier or integer expected, not %s", token.toChars()); | |
| 702 s = null; | |
| 703 } | |
| 704 nextToken(); | |
| 705 if (token.value != TOK.TOKsemicolon) | |
| 706 error("semicolon expected"); | |
| 707 nextToken(); | |
| 708 break; | |
| 709 } | |
| 710 condition = parseVersionCondition(); | |
| 711 goto Lcondition; | |
| 712 | |
| 713 Lcondition: | |
| 714 a = parseBlock(); | |
| 715 aelse = null; | |
| 716 if (token.value == TOK.TOKelse) | |
| 717 { nextToken(); | |
| 718 aelse = parseBlock(); | |
| 719 } | |
| 720 s = new ConditionalDeclaration(condition, a, aelse); | |
| 721 break; | |
| 722 | |
| 723 case TOK.TOKsemicolon: // empty declaration | |
| 724 nextToken(); | |
| 725 continue; | |
| 726 | |
| 727 default: | |
| 728 error("Declaration expected, not '%s'",token.toChars()); | |
| 729 Lerror: | |
| 730 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 731 nextToken(); | |
| 732 nextToken(); | |
| 733 s = null; | |
| 734 continue; | |
| 735 } | |
| 736 if (s) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
737 { decldefs.push(s); |
| 0 | 738 addComment(s, comment); |
| 739 } | |
| 740 } while (!once); | |
| 741 return decldefs; | |
| 742 } | |
| 743 | |
| 744 /***************************************** | |
| 745 * Parse auto declarations of the form: | |
| 746 * storageClass ident = init, ident = init, ... ; | |
| 747 * and return the array of them. | |
| 748 * Starts with token on the first ident. | |
| 749 * Ends with scanner past closing ';' | |
| 750 */ | |
| 79 | 751 version (DMDV2) |
| 752 { | |
| 753 Dsymbols parseAutoDeclarations(STC storageClass, const(char)[] comment) | |
| 0 | 754 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
755 auto a = new Dsymbols; |
| 0 | 756 |
| 757 while (true) | |
| 758 { | |
| 759 Identifier ident = token.ident; | |
| 760 nextToken(); // skip over ident | |
| 761 assert(token.value == TOKassign); | |
| 762 nextToken(); // skip over '=' | |
| 763 Initializer init = parseInitializer(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
764 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 765 v.storage_class = storageClass; |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
766 a.push(v); |
| 0 | 767 if (token.value == TOKsemicolon) |
| 768 { | |
| 769 nextToken(); | |
| 770 addComment(v, comment); | |
| 771 } | |
| 772 else if (token.value == TOKcomma) | |
| 773 { | |
| 774 nextToken(); | |
| 775 if (token.value == TOKidentifier && | |
| 776 peek(&token).value == TOKassign) | |
| 777 { | |
| 778 addComment(v, comment); | |
| 779 continue; | |
| 780 } | |
| 781 else | |
| 782 error("Identifier expected following comma"); | |
| 783 } | |
| 784 else | |
| 785 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 786 break; | |
| 787 } | |
| 788 return a; | |
| 789 } | |
| 790 } | |
| 791 /******************************************** | |
| 792 * Parse declarations after an align, protection, or extern decl. | |
| 793 */ | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
794 Dsymbols parseBlock() |
| 0 | 795 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
796 Dsymbols a = null; |
| 0 | 797 Dsymbol ss; |
| 798 | |
| 799 //printf("parseBlock()\n"); | |
| 800 switch (token.value) | |
| 801 { | |
| 802 case TOK.TOKsemicolon: | |
| 803 error("declaration expected following attribute, not ';'"); | |
| 804 nextToken(); | |
| 805 break; | |
| 806 | |
| 807 case TOK.TOKeof: | |
| 808 error("declaration expected following attribute, not EOF"); | |
| 809 break; | |
| 810 | |
| 811 case TOK.TOKlcurly: | |
| 812 nextToken(); | |
| 813 a = parseDeclDefs(0); | |
| 814 if (token.value != TOK.TOKrcurly) | |
| 815 { /* { */ | |
| 816 error("matching '}' expected, not %s", token.toChars()); | |
| 817 } | |
| 818 else | |
| 819 nextToken(); | |
| 820 break; | |
| 821 | |
| 822 case TOK.TOKcolon: | |
| 823 nextToken(); | |
| 824 static if (false) { | |
| 825 a = null; | |
| 826 } else { | |
| 827 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 828 } | |
| 829 break; | |
| 830 | |
| 831 default: | |
| 832 a = parseDeclDefs(1); | |
| 833 break; | |
| 834 } | |
| 835 return a; | |
| 836 } | |
| 837 | |
| 838 void composeStorageClass(STC stc) | |
| 839 { | |
| 840 STC u = stc; | |
| 841 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; | |
| 842 if (u & (u - 1)) | |
| 843 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 844 | |
| 845 u = stc; | |
| 846 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 847 if (u & (u - 1)) | |
| 848 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 849 } | |
| 850 | |
| 851 /************************************** | |
| 852 * Parse constraint. | |
| 853 * Constraint is of the form: | |
| 854 * if ( ConstraintExpression ) | |
| 855 */ | |
| 856 version (DMDV2) { | |
| 857 Expression parseConstraint() | |
| 858 { | |
| 859 Expression e = null; | |
| 860 | |
| 861 if (token.value == TOKif) | |
| 862 { | |
| 863 nextToken(); // skip over 'if' | |
| 864 check(TOKlparen); | |
| 865 e = parseExpression(); | |
| 866 check(TOKrparen); | |
| 867 } | |
| 868 return e; | |
| 869 } | |
| 870 } | |
| 871 /************************************** | |
| 872 * Parse a TemplateDeclaration. | |
| 873 */ | |
| 874 TemplateDeclaration parseTemplateDeclaration() | |
| 875 { | |
| 876 TemplateDeclaration tempdecl; | |
| 877 Identifier id; | |
| 878 TemplateParameters tpl; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
879 Dsymbols decldefs; |
| 0 | 880 Expression constraint = null; |
| 881 Loc loc = this.loc; | |
| 882 | |
| 883 nextToken(); | |
| 884 if (token.value != TOKidentifier) | |
| 885 { | |
| 886 error("TemplateIdentifier expected following template"); | |
| 887 goto Lerr; | |
| 888 } | |
| 889 id = token.ident; | |
| 890 nextToken(); | |
| 891 tpl = parseTemplateParameterList(); | |
| 892 if (!tpl) | |
| 893 goto Lerr; | |
| 894 | |
| 895 constraint = parseConstraint(); | |
| 896 | |
| 897 if (token.value != TOKlcurly) | |
| 898 { | |
| 899 error("members of template declaration expected"); | |
| 900 goto Lerr; | |
| 901 } | |
| 902 else | |
| 903 { | |
| 904 nextToken(); | |
| 905 decldefs = parseDeclDefs(0); | |
| 906 if (token.value != TOKrcurly) | |
| 907 { | |
| 908 error("template member expected"); | |
| 909 goto Lerr; | |
| 910 } | |
| 911 nextToken(); | |
| 912 } | |
| 913 | |
| 914 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 915 return tempdecl; | |
| 916 | |
| 917 Lerr: | |
| 918 return null; | |
| 919 } | |
| 920 | |
| 921 /****************************************** | |
| 922 * Parse template parameter list. | |
| 923 * Input: | |
| 924 * flag 0: parsing "( list )" | |
| 925 * 1: parsing non-empty "list )" | |
| 926 */ | |
| 927 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 928 { | |
| 929 TemplateParameters tpl = new TemplateParameters(); | |
| 930 | |
| 931 if (!flag && token.value != TOKlparen) | |
| 932 { | |
| 933 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 934 goto Lerr; | |
| 935 } | |
| 936 nextToken(); | |
| 937 | |
| 938 // Get array of TemplateParameters | |
| 939 if (flag || token.value != TOKrparen) | |
| 940 { | |
| 941 int isvariadic = 0; | |
| 942 | |
| 943 while (true) | |
| 944 { | |
| 945 TemplateParameter tp; | |
| 946 Identifier tp_ident = null; | |
| 947 Type tp_spectype = null; | |
| 948 Type tp_valtype = null; | |
| 949 Type tp_defaulttype = null; | |
| 950 Expression tp_specvalue = null; | |
| 951 Expression tp_defaultvalue = null; | |
| 952 Token* t; | |
| 953 | |
| 954 // Get TemplateParameter | |
| 955 | |
| 956 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 957 t = peek(&token); | |
| 958 if (token.value == TOKalias) | |
| 959 { | |
| 960 // AliasParameter | |
| 961 nextToken(); | |
| 962 Type spectype = null; | |
| 963 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 964 { | |
| 965 spectype = parseType(&tp_ident); | |
| 966 } | |
| 967 else | |
| 968 { | |
| 969 if (token.value != TOKidentifier) | |
| 970 { | |
| 971 error("identifier expected for template alias parameter"); | |
| 972 goto Lerr; | |
| 973 } | |
| 974 tp_ident = token.ident; | |
| 975 nextToken(); | |
| 976 } | |
| 977 Object spec = null; | |
| 978 if (token.value == TOKcolon) // : Type | |
| 979 { | |
| 980 nextToken(); | |
| 981 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 982 spec = parseType(); | |
| 983 else | |
| 984 spec = parseCondExp(); | |
| 985 } | |
| 986 Object def = null; | |
| 987 if (token.value == TOKassign) // = Type | |
| 988 { | |
| 989 nextToken(); | |
| 990 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 991 def = parseType(); | |
| 992 else | |
| 993 def = parseCondExp(); | |
| 994 } | |
| 995 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 996 } | |
| 997 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 998 t.value == TOKcomma || t.value == TOKrparen) | |
| 999 { // TypeParameter | |
| 1000 if (token.value != TOKidentifier) | |
| 1001 { error("identifier expected for template type parameter"); | |
| 1002 goto Lerr; | |
| 1003 } | |
| 1004 tp_ident = token.ident; | |
| 1005 nextToken(); | |
| 1006 if (token.value == TOKcolon) // : Type | |
| 1007 { | |
| 1008 nextToken(); | |
| 1009 tp_spectype = parseType(); | |
| 1010 } | |
| 1011 if (token.value == TOKassign) // = Type | |
| 1012 { | |
| 1013 nextToken(); | |
| 1014 tp_defaulttype = parseType(); | |
| 1015 } | |
| 1016 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1017 } | |
| 1018 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1019 { // ident... | |
| 1020 if (isvariadic) | |
| 1021 error("variadic template parameter must be last"); | |
| 1022 isvariadic = 1; | |
| 1023 tp_ident = token.ident; | |
| 1024 nextToken(); | |
| 1025 nextToken(); | |
| 1026 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1027 } | |
| 1028 /// version (DMDV2) { | |
| 1029 else if (token.value == TOKthis) | |
| 1030 { // ThisParameter | |
| 1031 nextToken(); | |
| 1032 if (token.value != TOKidentifier) | |
| 1033 { error("identifier expected for template this parameter"); | |
| 1034 goto Lerr; | |
| 1035 } | |
| 1036 tp_ident = token.ident; | |
| 1037 nextToken(); | |
| 1038 if (token.value == TOKcolon) // : Type | |
| 1039 { | |
| 1040 nextToken(); | |
| 1041 tp_spectype = parseType(); | |
| 1042 } | |
| 1043 if (token.value == TOKassign) // = Type | |
| 1044 { | |
| 1045 nextToken(); | |
| 1046 tp_defaulttype = parseType(); | |
| 1047 } | |
| 1048 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1049 } | |
| 1050 /// } | |
| 1051 else | |
| 1052 { // ValueParameter | |
| 1053 tp_valtype = parseType(&tp_ident); | |
| 1054 if (!tp_ident) | |
| 1055 { | |
| 1056 error("identifier expected for template value parameter"); | |
| 1057 tp_ident = new Identifier("error", TOKidentifier); | |
| 1058 } | |
| 1059 if (token.value == TOKcolon) // : CondExpression | |
| 1060 { | |
| 1061 nextToken(); | |
| 1062 tp_specvalue = parseCondExp(); | |
| 1063 } | |
| 1064 if (token.value == TOKassign) // = CondExpression | |
| 1065 { | |
| 1066 nextToken(); | |
| 1067 tp_defaultvalue = parseDefaultInitExp(); | |
| 1068 } | |
| 1069 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1070 } | |
| 1071 tpl.push(cast(void*)tp); | |
| 1072 if (token.value != TOKcomma) | |
| 1073 break; | |
| 1074 nextToken(); | |
| 1075 } | |
| 1076 } | |
| 1077 check(TOKrparen); | |
| 1078 | |
| 1079 Lerr: | |
| 1080 return tpl; | |
| 1081 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1082 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1083 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1084 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1085 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1086 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1087 * 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
|
1088 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1089 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1090 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1091 |
| 0 | 1092 Dsymbol parseMixin() |
| 1093 { | |
| 13 | 1094 TemplateMixin tm; |
| 1095 Identifier id; | |
| 1096 Type tqual; | |
| 1097 Objects tiargs; | |
| 1098 Array idents; | |
| 1099 | |
| 1100 //printf("parseMixin()\n"); | |
| 1101 nextToken(); | |
| 1102 tqual = null; | |
| 1103 if (token.value == TOKdot) | |
| 1104 { | |
| 1105 id = Id.empty; | |
| 1106 } | |
| 1107 else | |
| 1108 { | |
| 1109 if (token.value == TOKtypeof) | |
| 1110 { | |
| 1111 tqual = parseTypeof(); | |
| 1112 check(TOKdot); | |
| 1113 } | |
| 1114 if (token.value != TOKidentifier) | |
| 1115 { | |
| 1116 error("identifier expected, not %s", token.toChars()); | |
| 1117 id = Id.empty; | |
| 1118 } | |
| 1119 else | |
| 1120 id = token.ident; | |
| 1121 nextToken(); | |
| 1122 } | |
| 1123 | |
| 1124 idents = new Array(); | |
| 1125 while (1) | |
| 1126 { | |
| 1127 tiargs = null; | |
| 1128 if (token.value == TOKnot) | |
| 1129 { | |
| 1130 nextToken(); | |
| 1131 if (token.value == TOKlparen) | |
| 1132 tiargs = parseTemplateArgumentList(); | |
| 1133 else | |
| 1134 tiargs = parseTemplateArgument(); | |
| 1135 } | |
| 1136 if (token.value != TOKdot) | |
| 1137 break; | |
| 1138 if (tiargs) | |
| 1139 { | |
| 1140 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1141 tempinst.tiargs = tiargs; | |
| 1142 id = cast(Identifier)tempinst; | |
| 1143 tiargs = null; | |
| 1144 } | |
| 1145 idents.push(cast(void*)id); | |
| 1146 nextToken(); | |
| 1147 if (token.value != TOKidentifier) | |
| 1148 { | |
| 1149 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1150 break; | |
| 1151 } | |
| 1152 id = token.ident; | |
| 1153 nextToken(); | |
| 1154 } | |
| 1155 idents.push(cast(void*)id); | |
| 1156 if (token.value == TOKidentifier) | |
| 1157 { | |
| 1158 id = token.ident; | |
| 1159 nextToken(); | |
| 1160 } | |
| 1161 else | |
| 1162 id = null; | |
| 1163 | |
| 1164 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1165 if (token.value != TOKsemicolon) | |
| 1166 error("';' expected after mixin"); | |
| 1167 nextToken(); | |
| 1168 return tm; | |
| 0 | 1169 } |
| 1170 | |
| 1171 /****************************************** | |
| 1172 * Parse template argument list. | |
| 1173 * Input: | |
| 1174 * current token is opening '(' | |
| 1175 * Output: | |
| 1176 * current token is one after closing ')' | |
| 1177 */ | |
| 1178 Objects parseTemplateArgumentList() | |
| 1179 { | |
| 1180 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1181 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1182 { | |
| 1183 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1184 return new Objects(); | |
| 1185 } | |
| 1186 return parseTemplateArgumentList2(); | |
| 1187 } | |
| 1188 | |
| 1189 Objects parseTemplateArgumentList2() | |
| 1190 { | |
| 1191 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1192 Objects tiargs = new Objects(); | |
| 1193 TOK endtok = TOKrparen; | |
| 1194 nextToken(); | |
| 1195 | |
| 1196 // Get TemplateArgumentList | |
| 1197 if (token.value != endtok) | |
| 1198 { | |
| 1199 while (1) | |
| 1200 { | |
| 1201 // See if it is an Expression or a Type | |
| 1202 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1203 { // Template argument is a type | |
| 1204 Type ta = parseType(); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1205 tiargs.push(ta); |
| 0 | 1206 } |
| 1207 else | |
| 1208 { // Template argument is an expression | |
| 1209 Expression ea = parseAssignExp(); | |
| 1210 | |
| 1211 if (ea.op == TOKfunction) | |
| 1212 { | |
| 1213 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1214 if (fd.type.ty == Tfunction) | |
| 1215 { | |
| 1216 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1217 /* If there are parameters that consist of only an identifier, | |
| 1218 * rather than assuming the identifier is a type, as we would | |
| 1219 * for regular function declarations, assume the identifier | |
| 1220 * is the parameter name, and we're building a template with | |
| 1221 * a deduced type. | |
| 1222 */ | |
| 1223 TemplateParameters tpl = null; | |
| 1224 for (int i = 0; i < tf.parameters.dim; i++) | |
| 1225 { | |
| 1226 Argument param = cast(Argument)tf.parameters.data[i]; | |
| 1227 if (param.ident is null && | |
| 1228 param.type && | |
| 1229 param.type.ty == Tident && | |
| 1230 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1231 ) | |
| 1232 { | |
| 1233 /* Switch parameter type to parameter identifier, | |
| 1234 * parameterize with template type parameter _T | |
| 1235 */ | |
| 1236 TypeIdentifier pt = cast(TypeIdentifier)param.type; | |
| 1237 param.ident = pt.ident; | |
| 1238 Identifier id = Lexer.uniqueId("__T"); | |
| 1239 param.type = new TypeIdentifier(pt.loc, id); | |
| 1240 TemplateParameter tp = new TemplateTypeParameter(fd.loc, id, null, null); | |
| 1241 if (!tpl) | |
| 1242 tpl = new TemplateParameters(); | |
| 1243 tpl.push(cast(void*)tp); | |
| 1244 } | |
| 1245 } | |
| 1246 | |
| 1247 if (tpl) | |
| 1248 { | |
| 1249 // Wrap a template around function fd | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1250 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1251 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1252 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1253 tempdecl.literal = 1; // it's a template 'literal' |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1254 tiargs.push(tempdecl); |
| 0 | 1255 goto L1; |
| 1256 } | |
| 1257 } | |
| 1258 } | |
| 1259 | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1260 tiargs.push(ea); |
| 0 | 1261 } |
| 1262 L1: | |
| 1263 if (token.value != TOKcomma) | |
| 1264 break; | |
| 1265 nextToken(); | |
| 1266 } | |
| 1267 } | |
| 1268 check(endtok, "template argument list"); | |
| 1269 return tiargs; | |
| 1270 } | |
| 1271 | |
| 2 | 1272 /***************************** |
| 1273 * Parse single template argument, to support the syntax: | |
| 1274 * foo!arg | |
| 1275 * Input: | |
| 1276 * current token is the arg | |
| 1277 */ | |
| 0 | 1278 Objects parseTemplateArgument() |
| 1279 { | |
| 2 | 1280 //printf("parseTemplateArgument()\n"); |
| 1281 Objects tiargs = new Objects(); | |
| 1282 Type ta; | |
| 1283 switch (token.value) | |
| 1284 { | |
| 1285 case TOKidentifier: | |
| 1286 ta = new TypeIdentifier(loc, token.ident); | |
| 1287 goto LabelX; | |
| 1288 | |
| 1289 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1290 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1291 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1292 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1293 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1294 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1295 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1296 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1297 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1298 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1299 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1300 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1301 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1302 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1303 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1304 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1305 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1306 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1307 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1308 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1309 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1310 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1311 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1312 LabelX: | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1313 tiargs.push(ta); |
| 2 | 1314 nextToken(); |
| 1315 break; | |
| 1316 | |
| 1317 case TOKint32v: | |
| 1318 case TOKuns32v: | |
| 1319 case TOKint64v: | |
| 1320 case TOKuns64v: | |
| 1321 case TOKfloat32v: | |
| 1322 case TOKfloat64v: | |
| 1323 case TOKfloat80v: | |
| 1324 case TOKimaginary32v: | |
| 1325 case TOKimaginary64v: | |
| 1326 case TOKimaginary80v: | |
| 1327 case TOKnull: | |
| 1328 case TOKtrue: | |
| 1329 case TOKfalse: | |
| 1330 case TOKcharv: | |
| 1331 case TOKwcharv: | |
| 1332 case TOKdcharv: | |
| 1333 case TOKstring: | |
| 1334 case TOKfile: | |
| 1335 case TOKline: | |
| 1336 { | |
| 1337 // Template argument is an expression | |
| 1338 Expression ea = parsePrimaryExp(); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1339 tiargs.push(ea); |
| 2 | 1340 break; |
| 1341 } | |
| 1342 | |
| 1343 default: | |
| 1344 error("template argument expected following !"); | |
| 1345 break; | |
| 1346 } | |
| 1347 | |
| 1348 if (token.value == TOKnot) | |
| 1349 error("multiple ! arguments are not allowed"); | |
| 1350 return tiargs; | |
| 0 | 1351 } |
| 1352 | |
| 1353 /********************************** | |
| 1354 * Parse a static assertion. | |
| 1355 */ | |
| 1356 StaticAssert parseStaticAssert() | |
| 1357 { | |
| 1358 Loc loc = this.loc; | |
| 1359 Expression exp; | |
| 1360 Expression msg = null; | |
| 1361 | |
| 1362 //printf("parseStaticAssert()\n"); | |
| 1363 nextToken(); | |
| 1364 check(TOK.TOKlparen); | |
| 1365 exp = parseAssignExp(); | |
| 1366 if (token.value == TOK.TOKcomma) | |
| 1367 { | |
| 1368 nextToken(); | |
| 1369 msg = parseAssignExp(); | |
| 1370 } | |
| 1371 | |
| 1372 check(TOK.TOKrparen); | |
| 1373 check(TOK.TOKsemicolon); | |
| 1374 | |
| 1375 return new StaticAssert(loc, exp, msg); | |
| 1376 } | |
| 1377 | |
| 1378 TypeQualified parseTypeof() | |
| 1379 { | |
| 1380 TypeQualified t; | |
| 1381 Loc loc = this.loc; | |
| 1382 | |
| 1383 nextToken(); | |
| 1384 check(TOK.TOKlparen); | |
| 1385 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1386 { | |
| 1387 nextToken(); | |
| 1388 t = new TypeReturn(loc); | |
| 1389 } | |
| 1390 else | |
| 1391 { | |
| 1392 Expression exp = parseExpression(); // typeof(expression) | |
| 1393 t = new TypeTypeof(loc, exp); | |
| 1394 } | |
| 1395 check(TOK.TOKrparen); | |
| 1396 return t; | |
| 1397 } | |
| 1398 | |
| 1399 /*********************************** | |
| 1400 * Parse extern (linkage) | |
| 1401 * The parser is on the 'extern' token. | |
| 1402 */ | |
| 1403 LINK parseLinkage() | |
| 1404 { | |
| 1405 LINK link = LINK.LINKdefault; | |
| 1406 nextToken(); | |
| 1407 assert(token.value == TOK.TOKlparen); | |
| 1408 nextToken(); | |
| 1409 if (token.value == TOK.TOKidentifier) | |
| 1410 { | |
| 1411 Identifier id = token.ident; | |
| 1412 | |
| 1413 nextToken(); | |
| 1414 if (id == Id.Windows) | |
| 1415 link = LINK.LINKwindows; | |
| 1416 else if (id == Id.Pascal) | |
| 1417 link = LINK.LINKpascal; | |
| 1418 else if (id == Id.D) | |
| 1419 link = LINK.LINKd; | |
| 1420 else if (id == Id.C) | |
| 1421 { | |
| 1422 link = LINK.LINKc; | |
| 1423 if (token.value == TOK.TOKplusplus) | |
| 1424 { | |
| 1425 link = LINK.LINKcpp; | |
| 1426 nextToken(); | |
| 1427 } | |
| 1428 } | |
| 1429 else if (id == Id.System) | |
| 1430 { | |
| 1431 version (_WIN32) { | |
| 1432 link = LINK.LINKwindows; | |
| 1433 } else { | |
| 1434 link = LINK.LINKc; | |
| 1435 } | |
| 1436 } | |
| 1437 else | |
| 1438 { | |
| 1439 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1440 link = LINK.LINKd; | |
| 1441 } | |
| 1442 } | |
| 1443 else | |
| 1444 { | |
| 1445 link = LINK.LINKd; // default | |
| 1446 } | |
| 1447 check(TOK.TOKrparen); | |
| 1448 | |
| 1449 return link; | |
| 1450 } | |
| 1451 | |
| 1452 | |
| 1453 /************************************** | |
| 1454 * Parse a debug conditional | |
| 1455 */ | |
| 1456 Condition parseDebugCondition() | |
| 1457 { | |
| 1458 Condition c; | |
| 1459 | |
| 1460 if (token.value == TOK.TOKlparen) | |
| 1461 { | |
| 1462 nextToken(); | |
| 1463 uint level = 1; | |
| 1464 Identifier id = null; | |
| 1465 | |
| 1466 if (token.value == TOK.TOKidentifier) | |
| 1467 id = token.ident; | |
| 1468 else if (token.value == TOK.TOKint32v) | |
| 1469 level = cast(uint)token.uns64value; | |
| 1470 else | |
| 1471 error("identifier or integer expected, not %s", token.toChars()); | |
| 1472 | |
| 1473 nextToken(); | |
| 1474 check(TOK.TOKrparen); | |
| 1475 | |
| 1476 c = new DebugCondition(mod, level, id); | |
| 1477 } | |
| 1478 else | |
| 1479 c = new DebugCondition(mod, 1, null); | |
| 1480 | |
| 1481 return c; | |
| 1482 } | |
| 1483 | |
| 1484 /************************************** | |
| 1485 * Parse a version conditional | |
| 1486 */ | |
| 1487 Condition parseVersionCondition() | |
| 1488 { | |
| 1489 Condition c; | |
| 1490 uint level = 1; | |
| 1491 Identifier id = null; | |
| 1492 | |
| 1493 if (token.value == TOK.TOKlparen) | |
| 1494 { | |
| 1495 nextToken(); | |
| 1496 if (token.value == TOK.TOKidentifier) | |
| 1497 id = token.ident; | |
| 1498 else if (token.value == TOK.TOKint32v) | |
| 1499 level = cast(uint)token.uns64value; | |
| 1500 else { | |
| 1501 version (DMDV2) { | |
| 1502 /* Allow: | |
| 1503 * version (unittest) | |
| 1504 * even though unittest is a keyword | |
| 1505 */ | |
| 1506 if (token.value == TOK.TOKunittest) | |
| 1507 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1508 else | |
| 1509 error("identifier or integer expected, not %s", token.toChars()); | |
| 1510 } else { | |
| 1511 error("identifier or integer expected, not %s", token.toChars()); | |
| 1512 } | |
| 1513 } | |
| 1514 nextToken(); | |
| 1515 check(TOK.TOKrparen); | |
| 1516 } | |
| 1517 else | |
| 1518 error("(condition) expected following version"); | |
| 1519 | |
| 1520 c = new VersionCondition(mod, level, id); | |
| 1521 | |
| 1522 return c; | |
| 1523 } | |
| 1524 | |
| 1525 /*********************************************** | |
| 1526 * static if (expression) | |
| 1527 * body | |
| 1528 * else | |
| 1529 * body | |
| 1530 */ | |
| 1531 Condition parseStaticIfCondition() | |
| 1532 { | |
| 1533 Expression exp; | |
| 1534 Condition condition; | |
| 1535 Array aif; | |
| 1536 Array aelse; | |
| 1537 Loc loc = this.loc; | |
| 1538 | |
| 1539 nextToken(); | |
| 1540 if (token.value == TOKlparen) | |
| 1541 { | |
| 1542 nextToken(); | |
| 1543 exp = parseAssignExp(); | |
| 1544 check(TOKrparen); | |
| 1545 } | |
| 1546 else | |
| 1547 { | |
| 1548 error("(expression) expected following static if"); | |
| 1549 exp = null; | |
| 1550 } | |
| 1551 condition = new StaticIfCondition(loc, exp); | |
| 1552 return condition; | |
| 1553 } | |
| 1554 | |
| 1555 /***************************************** | |
| 1556 * Parse a constructor definition: | |
| 1557 * this(parameters) { body } | |
| 1558 * or postblit: | |
| 1559 * this(this) { body } | |
| 1560 * or constructor template: | |
| 1561 * this(templateparameters)(parameters) { body } | |
| 1562 * Current token is 'this'. | |
| 1563 */ | |
| 1564 | |
| 1565 Dsymbol parseCtor() | |
| 1566 { | |
| 1567 Loc loc = this.loc; | |
| 1568 | |
| 1569 nextToken(); | |
| 1570 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1571 { // this(this) { ... } | |
| 1572 nextToken(); | |
| 1573 nextToken(); | |
| 1574 check(TOK.TOKrparen); | |
| 1575 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1576 parseContracts(f); | |
| 1577 return f; | |
| 1578 } | |
| 1579 | |
| 1580 /* Look ahead to see if: | |
| 1581 * this(...)(...) | |
| 1582 * which is a constructor template | |
| 1583 */ | |
| 1584 TemplateParameters tpl = null; | |
| 1585 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1586 { tpl = parseTemplateParameterList(); | |
| 1587 | |
| 1588 int varargs; | |
| 1589 Arguments arguments = parseParameters(&varargs); | |
| 1590 | |
| 1591 Expression constraint = null; | |
| 1592 if (tpl) | |
| 1593 constraint = parseConstraint(); | |
| 1594 | |
| 1595 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1596 parseContracts(f); | |
| 1597 | |
| 1598 // Wrap a template around it | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1599 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1600 decldefs.push(f); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1601 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1602 return tempdecl; |
| 1603 } | |
| 1604 | |
| 1605 /* Just a regular constructor | |
| 1606 */ | |
| 1607 int varargs; | |
| 1608 Arguments arguments = parseParameters(&varargs); | |
| 1609 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1610 parseContracts(f); | |
| 1611 return f; | |
| 1612 } | |
| 1613 | |
| 1614 PostBlitDeclaration parsePostBlit() | |
| 1615 { | |
| 1616 assert(false); | |
| 1617 } | |
| 1618 | |
| 1619 /***************************************** | |
| 1620 * Parse a destructor definition: | |
| 1621 * ~this() { body } | |
| 1622 * Current token is '~'. | |
| 1623 */ | |
| 1624 DtorDeclaration parseDtor() | |
| 1625 { | |
| 1626 DtorDeclaration f; | |
| 1627 Loc loc = this.loc; | |
| 1628 | |
| 1629 nextToken(); | |
| 1630 check(TOKthis); | |
| 1631 check(TOKlparen); | |
| 1632 check(TOKrparen); | |
| 1633 | |
| 1634 f = new DtorDeclaration(loc, Loc(0)); | |
| 1635 parseContracts(f); | |
| 1636 return f; | |
| 1637 } | |
| 1638 | |
| 1639 /***************************************** | |
| 1640 * Parse a static constructor definition: | |
| 1641 * static this() { body } | |
| 1642 * Current token is 'this'. | |
| 1643 */ | |
| 1644 StaticCtorDeclaration parseStaticCtor() | |
| 1645 { | |
| 1646 StaticCtorDeclaration f; | |
| 1647 Loc loc = this.loc; | |
| 1648 | |
| 1649 nextToken(); | |
| 1650 check(TOKlparen); | |
| 1651 check(TOKrparen); | |
| 1652 | |
| 1653 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1654 parseContracts(f); | |
| 1655 return f; | |
| 1656 } | |
| 1657 | |
| 1658 /***************************************** | |
| 1659 * Parse a static destructor definition: | |
| 1660 * static ~this() { body } | |
| 1661 * Current token is '~'. | |
| 1662 */ | |
| 1663 StaticDtorDeclaration parseStaticDtor() | |
| 1664 { | |
| 1665 StaticDtorDeclaration f; | |
| 1666 Loc loc = this.loc; | |
| 1667 | |
| 1668 nextToken(); | |
| 1669 check(TOKthis); | |
| 1670 check(TOKlparen); | |
| 1671 check(TOKrparen); | |
| 1672 | |
| 1673 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1674 parseContracts(f); | |
| 1675 return f; | |
| 1676 } | |
| 1677 | |
| 1678 /***************************************** | |
| 1679 * Parse an invariant definition: | |
| 1680 * invariant() { body } | |
| 1681 * Current token is 'invariant'. | |
| 1682 */ | |
| 1683 InvariantDeclaration parseInvariant() | |
| 1684 { | |
| 1685 InvariantDeclaration f; | |
| 1686 Loc loc = this.loc; | |
| 1687 | |
| 1688 nextToken(); | |
| 1689 if (token.value == TOKlparen) // optional () | |
| 1690 { | |
| 1691 nextToken(); | |
| 1692 check(TOKrparen); | |
| 1693 } | |
| 1694 | |
| 1695 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1696 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1697 return f; | |
| 1698 } | |
| 1699 | |
| 1700 /***************************************** | |
| 1701 * Parse a unittest definition: | |
| 1702 * unittest { body } | |
| 1703 * Current token is 'unittest'. | |
| 1704 */ | |
| 1705 UnitTestDeclaration parseUnitTest() | |
| 1706 { | |
| 1707 Loc loc = this.loc; | |
| 1708 | |
| 1709 nextToken(); | |
| 1710 | |
| 1711 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1712 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1713 | |
| 1714 return f; | |
| 1715 } | |
| 1716 | |
| 1717 NewDeclaration parseNew() | |
| 1718 { | |
| 1719 assert(false); | |
| 1720 } | |
| 1721 | |
| 1722 DeleteDeclaration parseDelete() | |
| 1723 { | |
| 1724 assert(false); | |
| 1725 } | |
| 1726 | |
| 1727 Arguments parseParameters(int* pvarargs) | |
| 1728 { | |
| 1729 Arguments arguments = new Arguments(); | |
| 1730 int varargs = 0; | |
| 1731 int hasdefault = 0; | |
| 1732 | |
| 1733 check(TOK.TOKlparen); | |
| 1734 while (1) | |
| 1735 { Type *tb; | |
| 1736 Identifier ai = null; | |
| 1737 Type at; | |
| 1738 Argument a; | |
| 1739 STC storageClass = STC.STCundefined; | |
| 1740 STC stc; | |
| 1741 Expression ae; | |
| 1742 | |
| 1743 for ( ;1; nextToken()) | |
| 1744 { | |
| 1745 switch (token.value) | |
| 1746 { | |
| 1747 case TOK.TOKrparen: | |
| 1748 break; | |
| 1749 | |
| 1750 case TOK.TOKdotdotdot: | |
| 1751 varargs = 1; | |
| 1752 nextToken(); | |
| 1753 break; | |
| 1754 | |
| 1755 case TOK.TOKconst: | |
| 1756 if (peek(&token).value == TOK.TOKlparen) | |
| 1757 goto Ldefault; | |
| 1758 stc = STC.STCconst; | |
| 1759 goto L2; | |
| 1760 | |
| 1761 case TOK.TOKinvariant: | |
| 1762 case TOK.TOKimmutable: | |
| 1763 if (peek(&token).value == TOK.TOKlparen) | |
| 1764 goto Ldefault; | |
| 1765 stc = STC.STCimmutable; | |
| 1766 goto L2; | |
| 1767 | |
| 1768 case TOK.TOKshared: | |
| 1769 if (peek(&token).value == TOK.TOKlparen) | |
| 1770 goto Ldefault; | |
| 1771 stc = STC.STCshared; | |
| 1772 goto L2; | |
| 1773 | |
| 1774 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1775 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1776 case TOK.TOKinout: | |
| 1777 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1778 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1779 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1780 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1781 L2: | |
| 1782 if (storageClass & stc || | |
| 1783 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1784 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1785 ) | |
| 1786 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1787 storageClass |= stc; | |
| 1788 composeStorageClass(storageClass); | |
| 1789 continue; | |
| 1790 | |
| 1791 static if (false) { | |
| 1792 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1793 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1794 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1795 L4: | |
| 1796 nextToken(); | |
| 1797 if (token.value == TOK.TOKidentifier) | |
| 1798 { ai = token.ident; | |
| 1799 nextToken(); | |
| 1800 } | |
| 1801 else | |
| 1802 ai = null; | |
| 1803 at = null; // no type | |
| 1804 ae = null; // no default argument | |
| 1805 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1806 { nextToken(); | |
| 1807 ae = parseDefaultInitExp(); | |
| 1808 hasdefault = 1; | |
| 1809 } | |
| 1810 else | |
| 1811 { if (hasdefault) | |
| 1812 error("default argument expected for alias %s", | |
| 1813 ai ? ai.toChars() : ""); | |
| 1814 } | |
| 1815 goto L3; | |
| 1816 } | |
| 1817 | |
| 1818 default: | |
| 1819 Ldefault: | |
| 1820 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1821 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1822 error("incompatible parameter storage classes"); | |
| 1823 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1824 error("out cannot be const"); | |
| 1825 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1826 error("out cannot be immutable"); | |
| 1827 if ((storageClass & STC.STCscope) && | |
| 1828 (storageClass & (STC.STCref | STC.STCout))) | |
| 1829 error("scope cannot be ref or out"); | |
| 1830 at = parseType(&ai); | |
| 1831 ae = null; | |
| 1832 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1833 { nextToken(); | |
| 1834 ae = parseDefaultInitExp(); | |
| 1835 hasdefault = 1; | |
| 1836 } | |
| 1837 else | |
| 1838 { if (hasdefault) | |
| 1839 error("default argument expected for %s", | |
| 1840 ai ? ai.toChars() : at.toChars()); | |
| 1841 } | |
| 1842 if (token.value == TOK.TOKdotdotdot) | |
| 1843 { /* This is: | |
| 1844 * at ai ... | |
| 1845 */ | |
| 1846 | |
| 1847 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1848 error("variadic argument cannot be out or ref"); | |
| 1849 varargs = 2; | |
| 1850 a = new Argument(storageClass, at, ai, ae); | |
| 1851 arguments.push(cast(void*)a); | |
| 1852 nextToken(); | |
| 1853 break; | |
| 1854 } | |
| 1855 L3: | |
| 1856 a = new Argument(storageClass, at, ai, ae); | |
| 1857 arguments.push(cast(void*)a); | |
| 1858 if (token.value == TOK.TOKcomma) | |
| 1859 { nextToken(); | |
| 1860 goto L1; | |
| 1861 } | |
| 1862 break; | |
| 1863 } | |
| 1864 break; | |
| 1865 } | |
| 1866 break; | |
| 1867 | |
| 1868 L1: ; | |
| 1869 } | |
| 1870 check(TOK.TOKrparen); | |
| 1871 *pvarargs = varargs; | |
| 1872 return arguments; | |
| 1873 } | |
| 1874 | |
| 1875 EnumDeclaration parseEnum() | |
| 1876 { | |
| 1877 EnumDeclaration e; | |
| 1878 Identifier id; | |
| 1879 Type memtype; | |
| 1880 Loc loc = this.loc; | |
| 1881 | |
| 1882 //printf("Parser.parseEnum()\n"); | |
| 1883 nextToken(); | |
| 1884 if (token.value == TOK.TOKidentifier) | |
| 1885 { | |
| 1886 id = token.ident; | |
| 1887 nextToken(); | |
| 1888 } | |
| 1889 else | |
| 1890 id = null; | |
| 1891 | |
| 1892 if (token.value == TOK.TOKcolon) | |
| 1893 { | |
| 1894 nextToken(); | |
| 1895 memtype = parseBasicType(); | |
| 1896 memtype = parseDeclarator(memtype, null, null); | |
| 1897 } | |
| 1898 else | |
| 1899 memtype = null; | |
| 1900 | |
| 1901 e = new EnumDeclaration(loc, id, memtype); | |
| 1902 if (token.value == TOK.TOKsemicolon && id) | |
| 1903 nextToken(); | |
| 1904 else if (token.value == TOK.TOKlcurly) | |
| 1905 { | |
| 1906 //printf("enum definition\n"); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1907 e.members = new Dsymbols(); |
| 0 | 1908 nextToken(); |
| 79 | 1909 string comment = token.blockComment; |
| 0 | 1910 while (token.value != TOK.TOKrcurly) |
| 1911 { | |
| 1912 /* Can take the following forms: | |
| 1913 * 1. ident | |
| 1914 * 2. ident = value | |
| 1915 * 3. type ident = value | |
| 1916 */ | |
| 1917 | |
| 1918 loc = this.loc; | |
| 1919 | |
| 1920 Type type = null; | |
| 1921 Identifier ident; | |
| 1922 Token* tp = peek(&token); | |
| 1923 if (token.value == TOK.TOKidentifier && | |
| 1924 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1925 { | |
| 1926 ident = token.ident; | |
| 1927 type = null; | |
| 1928 nextToken(); | |
| 1929 } | |
| 1930 else | |
| 1931 { | |
| 1932 type = parseType(&ident, null); | |
| 1933 if (id || memtype) | |
| 1934 error("type only allowed if anonymous enum and no enum type"); | |
| 1935 } | |
| 1936 | |
| 1937 Expression value; | |
| 1938 if (token.value == TOK.TOKassign) | |
| 1939 { | |
| 1940 nextToken(); | |
| 1941 value = parseAssignExp(); | |
| 1942 } | |
| 1943 else | |
| 1944 { | |
| 1945 value = null; | |
| 1946 if (type) | |
| 1947 error("if type, there must be an initializer"); | |
| 1948 } | |
| 1949 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1950 auto em = new EnumMember(loc, ident, value, type); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1951 e.members.push(em); |
| 0 | 1952 |
| 1953 if (token.value == TOK.TOKrcurly) { | |
| 1954 ; | |
| 1955 } else { | |
| 1956 addComment(em, comment); | |
| 1957 comment = null; | |
| 1958 check(TOK.TOKcomma); | |
| 1959 } | |
| 1960 addComment(em, comment); | |
| 1961 comment = token.blockComment; | |
| 1962 } | |
| 1963 nextToken(); | |
| 1964 } | |
| 1965 else | |
| 1966 error("enum declaration is invalid"); | |
| 1967 | |
| 1968 //printf("-parseEnum() %s\n", e.toChars()); | |
| 1969 return e; | |
| 1970 } | |
| 1971 | |
| 1972 Dsymbol parseAggregate() | |
| 1973 { | |
| 1974 AggregateDeclaration a = null; | |
| 1975 int anon = 0; | |
| 1976 TOK tok; | |
| 1977 Identifier id; | |
| 1978 TemplateParameters tpl = null; | |
| 1979 Expression constraint = null; | |
| 1980 | |
| 1981 //printf("Parser.parseAggregate()\n"); | |
| 1982 tok = token.value; | |
| 1983 nextToken(); | |
| 1984 if (token.value != TOK.TOKidentifier) | |
| 1985 { | |
| 1986 id = null; | |
| 1987 } | |
| 1988 else | |
| 1989 { | |
| 1990 id = token.ident; | |
| 1991 nextToken(); | |
| 1992 | |
| 1993 if (token.value == TOK.TOKlparen) | |
| 1994 { | |
| 1995 // Class template declaration. | |
| 1996 | |
| 1997 // Gather template parameter list | |
| 1998 tpl = parseTemplateParameterList(); | |
| 1999 constraint = parseConstraint(); | |
| 2000 } | |
| 2001 } | |
| 2002 | |
| 2003 Loc loc = this.loc; | |
| 2004 switch (tok) | |
| 2005 { case TOK.TOKclass: | |
| 2006 case TOK.TOKinterface: | |
| 2007 { | |
| 2008 if (!id) | |
| 2009 error("anonymous classes not allowed"); | |
| 2010 | |
| 2011 // Collect base class(es) | |
| 2012 BaseClasses baseclasses = null; | |
| 2013 if (token.value == TOK.TOKcolon) | |
| 2014 { | |
| 2015 nextToken(); | |
| 2016 baseclasses = parseBaseClasses(); | |
| 2017 | |
| 2018 if (token.value != TOK.TOKlcurly) | |
| 2019 error("members expected"); | |
| 2020 } | |
| 2021 | |
| 2022 if (tok == TOK.TOKclass) | |
| 2023 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2024 else | |
| 2025 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2026 break; | |
| 2027 } | |
| 2028 | |
| 2029 case TOK.TOKstruct: | |
| 2030 if (id) | |
| 2031 a = new StructDeclaration(loc, id); | |
| 2032 else | |
| 2033 anon = 1; | |
| 2034 break; | |
| 2035 | |
| 2036 case TOK.TOKunion: | |
| 2037 if (id) | |
| 2038 a = new UnionDeclaration(loc, id); | |
| 2039 else | |
| 2040 anon = 2; | |
| 2041 break; | |
| 2042 | |
| 2043 default: | |
| 2044 assert(0); | |
| 2045 break; | |
| 2046 } | |
| 2047 if (a && token.value == TOK.TOKsemicolon) | |
| 2048 { nextToken(); | |
| 2049 } | |
| 2050 else if (token.value == TOK.TOKlcurly) | |
| 2051 { | |
| 2052 //printf("aggregate definition\n"); | |
| 2053 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2054 auto decl = parseDeclDefs(0); |
| 0 | 2055 if (token.value != TOK.TOKrcurly) |
| 2056 error("} expected following member declarations in aggregate"); | |
| 2057 nextToken(); | |
| 2058 if (anon) | |
| 2059 { | |
| 2060 /* Anonymous structs/unions are more like attributes. | |
| 2061 */ | |
| 2062 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2063 } | |
| 2064 else | |
| 2065 a.members = decl; | |
| 2066 } | |
| 2067 else | |
| 2068 { | |
| 2069 error("{ } expected following aggregate declaration"); | |
| 2070 a = new StructDeclaration(loc, null); | |
| 2071 } | |
| 2072 | |
| 2073 if (tpl) | |
| 2074 { // Wrap a template around the aggregate declaration | |
| 2075 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2076 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2077 decldefs.push(a); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2078 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 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 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2129 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 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); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2173 decldefs.push(s); |
| 0 | 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 { | |
| 79 | 2418 //writef("parseBasicType2()\n"); |
| 0 | 2419 while (1) |
| 2420 { | |
| 79 | 2421 switch (token.value) |
| 0 | 2422 { |
| 79 | 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) | |
| 0 | 2432 nextToken(); |
| 79 | 2433 if (token.value == TOK.TOKrbracket) |
| 2434 { | |
| 2435 t = new TypeDArray(t); // [] | |
| 2436 nextToken(); | |
| 2437 } | |
| 2438 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2439 { |
| 79 | 2440 t = new TypeNewArray(t); // [new] |
| 2441 nextToken(); | |
| 2442 nextToken(); | |
| 2443 } | |
| 2444 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2445 { // It's an associative array declaration | |
| 2446 | |
| 2447 //printf("it's an associative array\n"); | |
| 2448 Type index = parseType(); // [ type ] | |
| 2449 t = new TypeAArray(t, index); | |
| 2450 check(TOK.TOKrbracket); | |
| 0 | 2451 } |
| 2452 else | |
| 79 | 2453 { |
| 2454 //printf("it's type[expression]\n"); | |
| 2455 inBrackets++; | |
| 2456 Expression e = parseExpression(); // [ expression ] | |
| 2457 if (token.value == TOK.TOKslice) | |
| 2458 { | |
| 2459 nextToken(); | |
| 2460 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2461 t = new TypeSlice(t, e, e2); | |
| 2462 } | |
| 2463 else | |
| 2464 t = new TypeSArray(t,e); | |
| 2465 inBrackets--; | |
| 2466 check(TOK.TOKrbracket); | |
| 2467 } | |
| 2468 continue; | |
| 2469 | |
| 2470 case TOK.TOKdelegate: | |
| 2471 case TOK.TOKfunction: | |
| 2472 { // Handle delegate declaration: | |
| 2473 // t delegate(parameter list) nothrow pure | |
| 2474 // t function(parameter list) nothrow pure | |
| 2475 Arguments arguments; | |
| 2476 int varargs; | |
| 2477 bool ispure = false; | |
| 2478 bool isnothrow = false; | |
| 2479 TOK save = token.value; | |
| 2480 | |
| 2481 nextToken(); | |
| 2482 arguments = parseParameters(&varargs); | |
| 2483 while (1) | |
| 2484 { // Postfixes | |
| 2485 if (token.value == TOK.TOKpure) | |
| 2486 ispure = true; | |
| 2487 else if (token.value == TOK.TOKnothrow) | |
| 2488 isnothrow = true; | |
| 2489 else | |
| 2490 break; | |
| 2491 nextToken(); | |
| 2492 } | |
| 2493 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2494 tf.ispure = ispure; | |
| 2495 tf.isnothrow = isnothrow; | |
| 2496 if (save == TOK.TOKdelegate) | |
| 2497 t = new TypeDelegate(tf); | |
| 0 | 2498 else |
| 79 | 2499 t = new TypePointer(tf); // pointer to function |
| 2500 continue; | |
| 2501 } | |
| 2502 | |
| 2503 default: | |
| 2504 return t; | |
| 2505 } | |
| 2506 assert(0); | |
| 0 | 2507 } |
| 2508 assert(0); | |
| 2509 return null; | |
| 2510 } | |
| 2511 | |
| 2512 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2513 { | |
| 2514 Type ts; | |
| 2515 | |
| 2516 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2517 t = parseBasicType2(t); | |
| 2518 | |
| 2519 switch (token.value) | |
| 2520 { | |
| 2521 | |
| 2522 case TOK.TOKidentifier: | |
| 2523 if (pident) | |
| 2524 *pident = token.ident; | |
| 2525 else | |
| 2526 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2527 ts = t; | |
| 2528 nextToken(); | |
| 2529 break; | |
| 2530 | |
| 2531 case TOK.TOKlparen: | |
| 2532 /* Parse things with parentheses around the identifier, like: | |
| 2533 * int (*ident[3])[] | |
| 2534 * although the D style would be: | |
| 2535 * int[]*[3] ident | |
| 2536 */ | |
| 2537 nextToken(); | |
| 2538 ts = parseDeclarator(t, pident); | |
| 2539 check(TOK.TOKrparen); | |
| 2540 break; | |
| 2541 | |
| 2542 default: | |
| 2543 ts = t; | |
| 2544 break; | |
| 2545 } | |
| 2546 | |
| 2547 // parse DeclaratorSuffixes | |
| 2548 while (1) | |
| 2549 { | |
| 2550 switch (token.value) | |
| 2551 { | |
| 2552 version (CARRAYDECL) { | |
| 2553 /* Support C style array syntax: | |
| 2554 * int ident[] | |
| 2555 * as opposed to D-style: | |
| 2556 * int[] ident | |
| 2557 */ | |
| 2558 case TOK.TOKlbracket: | |
| 2559 { // This is the old C-style post [] syntax. | |
| 2560 TypeNext ta; | |
| 2561 nextToken(); | |
| 2562 if (token.value == TOK.TOKrbracket) | |
| 2563 { // It's a dynamic array | |
| 2564 ta = new TypeDArray(t); // [] | |
| 2565 nextToken(); | |
| 2566 } | |
| 79 | 2567 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2568 { | |
| 2569 t = new TypeNewArray(t); // [new] | |
| 2570 nextToken(); | |
| 2571 nextToken(); | |
| 2572 } | |
| 0 | 2573 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2574 { // It's an associative array | |
| 2575 | |
| 2576 //printf("it's an associative array\n"); | |
| 2577 Type index = parseType(); // [ type ] | |
| 2578 check(TOK.TOKrbracket); | |
| 2579 ta = new TypeAArray(t, index); | |
| 2580 } | |
| 2581 else | |
| 2582 { | |
| 2583 //printf("It's a static array\n"); | |
| 2584 Expression e = parseExpression(); // [ expression ] | |
| 2585 ta = new TypeSArray(t, e); | |
| 2586 check(TOK.TOKrbracket); | |
| 2587 } | |
| 2588 | |
| 2589 /* Insert ta into | |
| 2590 * ts . ... . t | |
| 2591 * so that | |
| 2592 * ts . ... . ta . t | |
| 2593 */ | |
| 2594 Type* pt; | |
| 2595 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2596 ; | |
| 2597 } | |
| 2598 *pt = ta; | |
| 2599 continue; | |
| 2600 } | |
| 2601 } | |
| 2602 case TOK.TOKlparen: | |
| 2603 { | |
| 2604 if (tpl) | |
| 2605 { | |
| 2606 /* Look ahead to see if this is (...)(...), | |
| 2607 * i.e. a function template declaration | |
| 2608 */ | |
| 2609 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2610 { | |
| 2611 //printf("function template declaration\n"); | |
| 2612 | |
| 2613 // Gather template parameter list | |
| 2614 *tpl = parseTemplateParameterList(); | |
| 2615 } | |
| 2616 } | |
| 2617 | |
| 2618 int varargs; | |
| 2619 Arguments arguments = parseParameters(&varargs); | |
| 2620 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2621 | |
| 2622 /* Parse const/invariant/nothrow/pure postfix | |
| 2623 */ | |
| 2624 while (1) | |
| 2625 { | |
| 2626 switch (token.value) | |
| 2627 { | |
| 2628 case TOK.TOKconst: | |
| 2629 if (tf.isShared()) | |
| 2630 tf = tf.makeSharedConst(); | |
| 2631 else | |
| 2632 tf = tf.makeConst(); | |
| 2633 nextToken(); | |
| 2634 continue; | |
| 2635 | |
| 2636 case TOK.TOKinvariant: | |
| 2637 case TOK.TOKimmutable: | |
| 2638 tf = tf.makeInvariant(); | |
| 2639 nextToken(); | |
| 2640 continue; | |
| 2641 | |
| 2642 case TOK.TOKshared: | |
| 2643 if (tf.isConst()) | |
| 2644 tf = tf.makeSharedConst(); | |
| 2645 else | |
| 2646 tf = tf.makeShared(); | |
| 2647 nextToken(); | |
| 2648 continue; | |
| 2649 | |
| 2650 case TOK.TOKnothrow: | |
| 2651 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2652 nextToken(); | |
| 2653 continue; | |
| 2654 | |
| 2655 case TOK.TOKpure: | |
| 2656 (cast(TypeFunction)tf).ispure = 1; | |
| 2657 nextToken(); | |
| 2658 continue; | |
| 2659 | |
| 2660 case TOK.TOKat: | |
| 2661 nextToken(); | |
| 2662 if (token.value != TOK.TOKidentifier) | |
| 2663 { error("attribute identifier expected"); | |
| 2664 nextToken(); | |
| 2665 continue; | |
| 2666 } | |
| 2667 Identifier id = token.ident; | |
| 2668 if (id is Id.property) | |
| 2669 (cast(TypeFunction)tf).ispure = 1; | |
| 2670 else | |
| 2671 error("valid attribute identifiers are property, not %s", id.toChars()); | |
| 2672 nextToken(); | |
| 2673 continue; | |
| 2674 default: | |
| 2675 break; /// | |
| 2676 } | |
| 2677 break; | |
| 2678 } | |
| 2679 | |
| 2680 /* Insert tf into | |
| 2681 * ts . ... . t | |
| 2682 * so that | |
| 2683 * ts . ... . tf . t | |
| 2684 */ | |
| 2685 Type* pt; | |
| 2686 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2687 ; | |
| 2688 } | |
| 2689 *pt = tf; | |
| 2690 break; | |
| 2691 } | |
| 2692 | |
| 2693 default: | |
| 2694 break; /// | |
| 2695 } | |
| 2696 break; | |
| 2697 } | |
| 2698 | |
| 2699 return ts; | |
| 2700 } | |
| 2701 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2702 Dsymbols parseDeclarations(STC storage_class) |
| 0 | 2703 { |
| 2704 STC stc; | |
| 2705 Type ts; | |
| 2706 Type t; | |
| 2707 Type tfirst; | |
| 2708 Identifier ident; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2709 Dsymbols a; |
| 0 | 2710 TOK tok = TOK.TOKreserved; |
| 79 | 2711 string comment = token.blockComment; |
| 0 | 2712 LINK link = linkage; |
| 2713 | |
| 2714 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2715 if (storage_class) | |
| 2716 { ts = null; // infer type | |
| 2717 goto L2; | |
| 2718 } | |
| 2719 | |
| 2720 switch (token.value) | |
| 2721 { | |
| 2722 case TOK.TOKalias: | |
| 2723 /* Look for: | |
| 2724 * alias identifier this; | |
| 2725 */ | |
| 2726 tok = token.value; | |
| 2727 nextToken(); | |
| 2728 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2729 { | |
| 2730 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2731 nextToken(); | |
| 2732 check(TOK.TOKthis); | |
| 2733 check(TOK.TOKsemicolon); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2734 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2735 a.push(s); |
| 0 | 2736 addComment(s, comment); |
| 2737 return a; | |
| 2738 } | |
| 2739 break; | |
| 2740 case TOK.TOKtypedef: | |
| 2741 tok = token.value; | |
| 2742 nextToken(); | |
| 2743 break; | |
| 2744 default: | |
| 2745 break; | |
| 2746 } | |
| 2747 | |
| 2748 storage_class = STC.STCundefined; | |
| 2749 while (1) | |
| 2750 { | |
| 2751 switch (token.value) | |
| 2752 { | |
| 2753 case TOK.TOKconst: | |
| 2754 if (peek(&token).value == TOK.TOKlparen) | |
| 2755 break; // const as type constructor | |
| 2756 stc = STC.STCconst; // const as storage class | |
| 2757 goto L1; | |
| 2758 | |
| 2759 case TOK.TOKinvariant: | |
| 2760 case TOK.TOKimmutable: | |
| 2761 if (peek(&token).value == TOK.TOKlparen) | |
| 2762 break; | |
| 2763 stc = STC.STCimmutable; | |
| 2764 goto L1; | |
| 2765 | |
| 2766 case TOK.TOKshared: | |
| 2767 if (peek(&token).value == TOK.TOKlparen) | |
| 2768 break; | |
| 2769 stc = STC.STCshared; | |
| 2770 goto L1; | |
| 2771 | |
| 2772 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2773 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2774 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2775 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2776 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2777 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2778 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2779 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2780 version (DMDV2) { | |
| 2781 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2782 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2783 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2784 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2785 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2786 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2787 } | |
| 2788 L1: | |
| 2789 if (storage_class & stc) | |
| 2790 error("redundant storage class '%s'", token.toChars()); | |
| 2791 storage_class = (storage_class | stc); | |
| 2792 composeStorageClass(storage_class); | |
| 2793 nextToken(); | |
| 2794 continue; | |
| 2795 | |
| 2796 case TOK.TOKextern: | |
| 2797 if (peek(&token).value != TOK.TOKlparen) | |
| 2798 { stc = STC.STCextern; | |
| 2799 goto L1; | |
| 2800 } | |
| 2801 | |
| 2802 link = parseLinkage(); | |
| 2803 continue; | |
| 2804 | |
| 2805 default: | |
| 2806 break; | |
| 2807 } | |
| 2808 break; | |
| 2809 } | |
| 2810 | |
| 2811 /* Look for auto initializers: | |
| 2812 * storage_class identifier = initializer; | |
| 2813 */ | |
| 2814 if (storage_class && | |
| 2815 token.value == TOK.TOKidentifier && | |
| 2816 peek(&token).value == TOK.TOKassign) | |
| 2817 { | |
| 2818 return parseAutoDeclarations(storage_class, comment); | |
| 2819 } | |
| 2820 | |
| 2821 if (token.value == TOK.TOKclass) | |
| 2822 { | |
| 2823 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2824 s.storage_class |= storage_class; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2825 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2826 a.push(s); |
| 0 | 2827 addComment(s, comment); |
| 2828 return a; | |
| 2829 } | |
| 2830 | |
| 2831 /* Look for return type inference for template functions. | |
| 2832 */ | |
| 2833 { | |
| 2834 Token *tk; | |
| 2835 if (storage_class && | |
| 2836 token.value == TOK.TOKidentifier && | |
| 2837 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2838 skipParens(tk, &tk) && | |
| 2839 peek(tk).value == TOK.TOKlparen) | |
| 2840 { | |
| 2841 ts = null; | |
| 2842 } | |
| 2843 else | |
| 2844 { | |
| 2845 ts = parseBasicType(); | |
| 2846 ts = parseBasicType2(ts); | |
| 2847 } | |
| 2848 } | |
| 2849 | |
| 2850 L2: | |
| 2851 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2852 a = new Dsymbols(); |
| 0 | 2853 |
| 2854 while (1) | |
| 2855 { | |
| 2856 Loc loc = this.loc; | |
| 2857 TemplateParameters tpl = null; | |
| 2858 | |
| 2859 ident = null; | |
| 2860 t = parseDeclarator(ts, &ident, &tpl); | |
| 2861 assert(t); | |
| 2862 if (!tfirst) | |
| 2863 tfirst = t; | |
| 2864 else if (t != tfirst) | |
| 2865 error("multiple declarations must have the same type, not %s and %s", | |
| 2866 tfirst.toChars(), t.toChars()); | |
| 2867 if (!ident) | |
| 2868 error("no identifier for declarator %s", t.toChars()); | |
| 2869 | |
| 2870 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2871 { Declaration v; | |
| 2872 Initializer init = null; | |
| 2873 | |
| 2874 if (token.value == TOK.TOKassign) | |
| 2875 { | |
| 2876 nextToken(); | |
| 2877 init = parseInitializer(); | |
| 2878 } | |
| 2879 if (tok == TOK.TOKtypedef) | |
| 2880 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2881 else | |
| 2882 { if (init) | |
| 2883 error("alias cannot have initializer"); | |
| 2884 v = new AliasDeclaration(loc, ident, t); | |
| 2885 } | |
| 2886 v.storage_class = storage_class; | |
| 2887 if (link == linkage) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2888 a.push(v); |
| 0 | 2889 else |
| 2890 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2891 auto ax = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2892 ax.push(v); |
| 0 | 2893 Dsymbol s = new LinkDeclaration(link, ax); |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2894 a.push(s); |
| 0 | 2895 } |
| 2896 switch (token.value) | |
| 2897 { case TOK.TOKsemicolon: | |
| 2898 nextToken(); | |
| 2899 addComment(v, comment); | |
| 2900 break; | |
| 2901 | |
| 2902 case TOK.TOKcomma: | |
| 2903 nextToken(); | |
| 2904 addComment(v, comment); | |
| 2905 continue; | |
| 2906 | |
| 2907 default: | |
| 2908 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2909 break; | |
| 2910 } | |
| 2911 } | |
| 2912 else if (t.ty == TY.Tfunction) | |
| 2913 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2914 auto tf = cast(TypeFunction)t; |
| 0 | 2915 Expression constraint = null; |
| 2916 static if (false) { | |
| 2917 if (Argument.isTPL(tf.parameters)) | |
| 2918 { | |
| 2919 if (!tpl) | |
| 2920 tpl = new TemplateParameters(); | |
| 2921 } | |
| 2922 } | |
| 2923 FuncDeclaration f = | |
| 2924 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2925 addComment(f, comment); | |
| 2926 if (tpl) | |
| 2927 constraint = parseConstraint(); | |
| 2928 parseContracts(f); | |
| 2929 addComment(f, null); | |
| 2930 Dsymbol s; | |
| 2931 if (link == linkage) | |
| 2932 { | |
| 2933 s = f; | |
| 2934 } | |
| 2935 else | |
| 2936 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2937 auto ax = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2938 ax.push(f); |
| 0 | 2939 s = new LinkDeclaration(link, ax); |
| 2940 } | |
| 2941 /* A template parameter list means it's a function template | |
| 2942 */ | |
| 2943 if (tpl) | |
| 2944 { | |
| 2945 // Wrap a template around the function declaration | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2946 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2947 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2948 auto tempdecl = |
| 0 | 2949 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 2950 s = tempdecl; | |
| 2951 } | |
| 2952 addComment(s, comment); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2953 a.push(s); |
| 0 | 2954 } |
| 2955 else | |
| 2956 { | |
| 2957 Initializer init = null; | |
| 2958 if (token.value == TOK.TOKassign) | |
| 2959 { | |
| 2960 nextToken(); | |
| 2961 init = parseInitializer(); | |
| 2962 } | |
| 2963 | |
| 2964 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2965 v.storage_class = storage_class; | |
| 2966 if (link == linkage) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2967 a.push(v); |
| 0 | 2968 else |
| 2969 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2970 auto ax = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2971 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2972 auto s = new LinkDeclaration(link, ax); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2973 a.push(s); |
| 0 | 2974 } |
| 2975 switch (token.value) | |
| 2976 { case TOK.TOKsemicolon: | |
| 2977 nextToken(); | |
| 2978 addComment(v, comment); | |
| 2979 break; | |
| 2980 | |
| 2981 case TOK.TOKcomma: | |
| 2982 nextToken(); | |
| 2983 addComment(v, comment); | |
| 2984 continue; | |
| 2985 | |
| 2986 default: | |
| 2987 error("semicolon expected, not '%s'", token.toChars()); | |
| 2988 break; | |
| 2989 } | |
| 2990 } | |
| 2991 break; | |
| 2992 } | |
| 2993 return a; | |
| 2994 } | |
| 2995 | |
| 2996 void parseContracts(FuncDeclaration f) | |
| 2997 { | |
| 2998 Type tb; | |
| 2999 LINK linksave = linkage; | |
| 3000 | |
| 3001 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3002 // TypeFunction.semantic | |
| 3003 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3004 L1: | |
| 3005 switch (token.value) | |
| 3006 { | |
| 3007 case TOK.TOKlcurly: | |
| 3008 if (f.frequire || f.fensure) | |
| 3009 error("missing body { ... } after in or out"); | |
| 3010 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3011 f.endloc = endloc; | |
| 3012 break; | |
| 3013 | |
| 3014 case TOK.TOKbody: | |
| 3015 nextToken(); | |
| 3016 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3017 f.endloc = endloc; | |
| 3018 break; | |
| 3019 | |
| 3020 case TOK.TOKsemicolon: | |
| 3021 if (f.frequire || f.fensure) | |
| 3022 error("missing body { ... } after in or out"); | |
| 3023 nextToken(); | |
| 3024 break; | |
| 3025 | |
| 3026 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3027 // int x, y, foo(), z; | |
| 3028 case TOK.TOKcomma: | |
| 3029 nextToken(); | |
| 3030 continue; | |
| 3031 } | |
| 3032 | |
| 3033 static if (false) { // Dumped feature | |
| 3034 case TOK.TOKthrow: | |
| 3035 if (!f.fthrows) | |
| 3036 f.fthrows = new Array(); | |
| 3037 nextToken(); | |
| 3038 check(TOK.TOKlparen); | |
| 3039 while (1) | |
| 3040 { | |
| 3041 tb = parseBasicType(); | |
| 3042 f.fthrows.push(tb); | |
| 3043 if (token.value == TOK.TOKcomma) | |
| 3044 { nextToken(); | |
| 3045 continue; | |
| 3046 } | |
| 3047 break; | |
| 3048 } | |
| 3049 check(TOK.TOKrparen); | |
| 3050 goto L1; | |
| 3051 } | |
| 3052 | |
| 3053 case TOK.TOKin: | |
| 3054 nextToken(); | |
| 3055 if (f.frequire) | |
| 3056 error("redundant 'in' statement"); | |
| 3057 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3058 goto L1; | |
| 3059 | |
| 3060 case TOK.TOKout: | |
| 3061 // parse: out (identifier) { statement } | |
| 3062 nextToken(); | |
| 3063 if (token.value != TOK.TOKlcurly) | |
| 3064 { | |
| 3065 check(TOK.TOKlparen); | |
| 3066 if (token.value != TOK.TOKidentifier) | |
| 3067 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3068 f.outId = token.ident; | |
| 3069 nextToken(); | |
| 3070 check(TOK.TOKrparen); | |
| 3071 } | |
| 3072 if (f.fensure) | |
| 3073 error("redundant 'out' statement"); | |
| 3074 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3075 goto L1; | |
| 3076 | |
| 3077 default: | |
| 3078 error("semicolon expected following function declaration"); | |
| 3079 break; | |
| 3080 } | |
| 3081 linkage = linksave; | |
| 3082 } | |
| 3083 | |
| 3084 Statement parseStatement(ParseStatementFlags flags) | |
| 3085 { | |
| 3086 Statement s; | |
| 3087 Token* t; | |
| 3088 Condition condition; | |
| 3089 Statement ifbody; | |
| 3090 Statement elsebody; | |
| 3091 bool isfinal; | |
| 3092 Loc loc = this.loc; | |
| 3093 | |
| 3094 //printf("parseStatement()\n"); | |
| 3095 | |
| 3096 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3097 error("statement expected to be { }, not %s", token.toChars()); | |
| 3098 | |
| 3099 switch (token.value) | |
| 3100 { | |
| 3101 case TOK.TOKidentifier: | |
| 3102 /* A leading identifier can be a declaration, label, or expression. | |
| 3103 * The easiest case to check first is label: | |
| 3104 */ | |
| 3105 t = peek(&token); | |
| 3106 if (t.value == TOK.TOKcolon) | |
| 3107 { // It's a label | |
| 3108 | |
| 3109 Identifier ident = token.ident; | |
| 3110 nextToken(); | |
| 3111 nextToken(); | |
| 3112 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3113 s = new LabelStatement(loc, ident, s); | |
| 3114 break; | |
| 3115 } | |
| 3116 // fallthrough to TOK.TOKdot | |
| 3117 case TOK.TOKdot: | |
| 3118 case TOK.TOKtypeof: | |
| 3119 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3120 goto Ldeclaration; | |
| 3121 else | |
| 3122 goto Lexp; | |
| 3123 break; | |
| 3124 | |
| 3125 case TOK.TOKassert: | |
| 3126 case TOK.TOKthis: | |
| 3127 case TOK.TOKsuper: | |
| 3128 case TOK.TOKint32v: | |
| 3129 case TOK.TOKuns32v: | |
| 3130 case TOK.TOKint64v: | |
| 3131 case TOK.TOKuns64v: | |
| 3132 case TOK.TOKfloat32v: | |
| 3133 case TOK.TOKfloat64v: | |
| 3134 case TOK.TOKfloat80v: | |
| 3135 case TOK.TOKimaginary32v: | |
| 3136 case TOK.TOKimaginary64v: | |
| 3137 case TOK.TOKimaginary80v: | |
| 3138 case TOK.TOKcharv: | |
| 3139 case TOK.TOKwcharv: | |
| 3140 case TOK.TOKdcharv: | |
| 3141 case TOK.TOKnull: | |
| 3142 case TOK.TOKtrue: | |
| 3143 case TOK.TOKfalse: | |
| 3144 case TOK.TOKstring: | |
| 3145 case TOK.TOKlparen: | |
| 3146 case TOK.TOKcast: | |
| 3147 case TOK.TOKmul: | |
| 3148 case TOK.TOKmin: | |
| 3149 case TOK.TOKadd: | |
| 3150 case TOK.TOKplusplus: | |
| 3151 case TOK.TOKminusminus: | |
| 3152 case TOK.TOKnew: | |
| 3153 case TOK.TOKdelete: | |
| 3154 case TOK.TOKdelegate: | |
| 3155 case TOK.TOKfunction: | |
| 3156 case TOK.TOKtypeid: | |
| 3157 case TOK.TOKis: | |
| 3158 case TOK.TOKlbracket: | |
| 3159 version (DMDV2) { | |
| 3160 case TOK.TOKtraits: | |
| 3161 case TOK.TOKfile: | |
| 3162 case TOK.TOKline: | |
| 3163 } | |
| 3164 Lexp: | |
| 3165 { Expression exp; | |
| 3166 | |
| 3167 exp = parseExpression(); | |
| 3168 check(TOK.TOKsemicolon, "statement"); | |
| 3169 s = new ExpStatement(loc, exp); | |
| 3170 break; | |
| 3171 } | |
| 3172 | |
| 3173 case TOK.TOKstatic: | |
| 3174 { // Look ahead to see if it's static assert() or static if() | |
| 3175 Token *tt; | |
| 3176 | |
| 3177 tt = peek(&token); | |
| 3178 if (tt.value == TOK.TOKassert) | |
| 3179 { | |
| 3180 nextToken(); | |
| 3181 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3182 break; | |
| 3183 } | |
| 3184 if (tt.value == TOK.TOKif) | |
| 3185 { | |
| 3186 nextToken(); | |
| 3187 condition = parseStaticIfCondition(); | |
| 3188 goto Lcondition; | |
| 3189 } | |
| 3190 goto Ldeclaration; | |
| 3191 } | |
| 3192 | |
| 3193 case TOK.TOKfinal: | |
| 3194 if (peekNext() == TOK.TOKswitch) | |
| 3195 { | |
| 3196 nextToken(); | |
| 3197 isfinal = true; | |
| 3198 goto Lswitch; | |
| 3199 } | |
| 3200 goto Ldeclaration; | |
| 3201 | |
| 3202 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3203 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3204 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3205 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3206 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3207 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3208 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3209 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3210 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3211 case TOK.TOKvoid: | |
| 3212 case TOK.TOKtypedef: | |
| 3213 case TOK.TOKalias: | |
| 3214 case TOK.TOKconst: | |
| 3215 case TOK.TOKauto: | |
| 3216 case TOK.TOKextern: | |
| 3217 case TOK.TOKinvariant: | |
| 3218 version (DMDV2) { | |
| 3219 case TOK.TOKimmutable: | |
| 3220 case TOK.TOKshared: | |
| 3221 case TOK.TOKnothrow: | |
| 3222 case TOK.TOKpure: | |
| 3223 case TOK.TOKtls: | |
| 3224 case TOK.TOKgshared: | |
| 3225 } | |
| 3226 // case TOK.TOKtypeof: | |
| 3227 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3228 { Dsymbols a; |
| 0 | 3229 |
| 3230 a = parseDeclarations(STC.STCundefined); | |
| 3231 if (a.dim > 1) | |
| 3232 { | |
| 3233 Statements as = new Statements(); | |
| 3234 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3235 foreach(Dsymbol d; a) |
| 0 | 3236 { |
| 3237 s = new DeclarationStatement(loc, d); | |
| 3238 as.push(cast(void*)s); | |
| 3239 } | |
| 3240 s = new CompoundDeclarationStatement(loc, as); | |
| 3241 } | |
| 3242 else if (a.dim == 1) | |
| 3243 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3244 auto d = a[0]; |
| 0 | 3245 s = new DeclarationStatement(loc, d); |
| 3246 } | |
| 3247 else | |
| 3248 assert(0); | |
| 3249 if (flags & ParseStatementFlags.PSscope) | |
| 3250 s = new ScopeStatement(loc, s); | |
| 3251 break; | |
| 3252 } | |
| 3253 | |
| 3254 case TOK.TOKstruct: | |
| 3255 case TOK.TOKunion: | |
| 3256 case TOK.TOKclass: | |
| 3257 case TOK.TOKinterface: | |
| 3258 { Dsymbol d; | |
| 3259 | |
| 3260 d = parseAggregate(); | |
| 3261 s = new DeclarationStatement(loc, d); | |
| 3262 break; | |
| 3263 } | |
| 3264 | |
| 3265 case TOK.TOKenum: | |
| 3266 { /* Determine if this is a manifest constant declaration, | |
| 3267 * or a conventional enum. | |
| 3268 */ | |
| 3269 Dsymbol d; | |
| 3270 Token* tt = peek(&token); | |
| 3271 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3272 d = parseEnum(); | |
| 3273 else if (tt.value != TOK.TOKidentifier) | |
| 3274 goto Ldeclaration; | |
| 3275 else | |
| 3276 { | |
| 3277 tt = peek(tt); | |
| 3278 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3279 tt.value == TOK.TOKsemicolon) | |
| 3280 d = parseEnum(); | |
| 3281 else | |
| 3282 goto Ldeclaration; | |
| 3283 } | |
| 3284 s = new DeclarationStatement(loc, d); | |
| 3285 break; | |
| 3286 } | |
| 3287 | |
| 3288 case TOK.TOKmixin: | |
| 3289 { t = peek(&token); | |
| 3290 if (t.value == TOK.TOKlparen) | |
| 3291 { // mixin(string) | |
| 3292 nextToken(); | |
| 3293 check(TOK.TOKlparen, "mixin"); | |
| 3294 Expression e = parseAssignExp(); | |
| 3295 check(TOK.TOKrparen); | |
| 3296 check(TOK.TOKsemicolon); | |
| 3297 s = new CompileStatement(loc, e); | |
| 3298 break; | |
| 3299 } | |
| 3300 Dsymbol d = parseMixin(); | |
| 3301 s = new DeclarationStatement(loc, d); | |
| 3302 break; | |
| 3303 } | |
| 3304 | |
| 3305 case TOK.TOKlcurly: | |
| 79 | 3306 { |
| 3307 nextToken(); | |
| 3308 Statements statements = new Statements(); | |
| 3309 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3310 { |
| 3311 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3312 } | |
| 3313 endloc = this.loc; | |
| 3314 s = new CompoundStatement(loc, statements); | |
| 3315 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3316 s = new ScopeStatement(loc, s); | |
| 3317 nextToken(); | |
| 3318 break; | |
| 3319 } | |
| 3320 | |
| 3321 case TOK.TOKwhile: | |
| 3322 { Expression condition2; | |
| 3323 Statement body_; | |
| 3324 | |
| 3325 nextToken(); | |
| 3326 check(TOK.TOKlparen); | |
| 3327 condition2 = parseExpression(); | |
| 3328 check(TOK.TOKrparen); | |
| 3329 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3330 s = new WhileStatement(loc, condition2, body_); | |
| 3331 break; | |
| 3332 } | |
| 3333 | |
| 3334 case TOK.TOKsemicolon: | |
| 3335 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3336 error("use '{ }' for an empty statement, not a ';'"); | |
| 3337 nextToken(); | |
| 3338 s = new ExpStatement(loc, null); | |
| 3339 break; | |
| 3340 | |
| 3341 case TOK.TOKdo: | |
| 3342 { Statement body_; | |
| 3343 Expression condition2; | |
| 3344 | |
| 3345 nextToken(); | |
| 3346 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3347 check(TOK.TOKwhile); | |
| 3348 check(TOK.TOKlparen); | |
| 3349 condition2 = parseExpression(); | |
| 3350 check(TOK.TOKrparen); | |
| 3351 s = new DoStatement(loc, body_, condition2); | |
| 3352 break; | |
| 3353 } | |
| 3354 | |
| 3355 case TOK.TOKfor: | |
| 3356 { | |
| 3357 Statement init; | |
| 3358 Expression condition2; | |
| 3359 Expression increment; | |
| 3360 Statement body_; | |
| 3361 | |
| 3362 nextToken(); | |
| 3363 check(TOK.TOKlparen); | |
| 3364 if (token.value == TOK.TOKsemicolon) | |
| 3365 { init = null; | |
| 3366 nextToken(); | |
| 3367 } | |
| 3368 else | |
| 3369 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3370 } | |
| 3371 if (token.value == TOK.TOKsemicolon) | |
| 3372 { | |
| 3373 condition2 = null; | |
| 3374 nextToken(); | |
| 3375 } | |
| 3376 else | |
| 3377 { | |
| 3378 condition2 = parseExpression(); | |
| 3379 check(TOK.TOKsemicolon, "for condition"); | |
| 3380 } | |
| 3381 if (token.value == TOK.TOKrparen) | |
| 3382 { increment = null; | |
| 3383 nextToken(); | |
| 3384 } | |
| 3385 else | |
| 3386 { increment = parseExpression(); | |
| 3387 check(TOK.TOKrparen); | |
| 3388 } | |
| 3389 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3390 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3391 if (init) | |
| 3392 s = new ScopeStatement(loc, s); | |
| 3393 break; | |
| 3394 } | |
| 3395 | |
| 3396 case TOK.TOKforeach: | |
| 3397 case TOK.TOKforeach_reverse: | |
| 3398 { | |
| 3399 TOK op = token.value; | |
| 3400 Arguments arguments; | |
| 3401 | |
| 3402 Statement d; | |
| 3403 Statement body_; | |
| 3404 Expression aggr; | |
| 3405 | |
| 3406 nextToken(); | |
| 3407 check(TOK.TOKlparen); | |
| 3408 | |
| 3409 arguments = new Arguments(); | |
| 3410 | |
| 3411 while (1) | |
| 3412 { | |
| 3413 Type tb; | |
| 3414 Identifier ai = null; | |
| 3415 Type at; | |
| 3416 STC storageClass = STC.STCundefined; | |
| 3417 Argument a; | |
| 3418 | |
| 3419 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3420 { storageClass = STC.STCref; | |
| 3421 nextToken(); | |
| 3422 } | |
| 3423 if (token.value == TOK.TOKidentifier) | |
| 3424 { | |
| 3425 Token *tt = peek(&token); | |
| 3426 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3427 { ai = token.ident; | |
| 3428 at = null; // infer argument type | |
| 3429 nextToken(); | |
| 3430 goto Larg; | |
| 3431 } | |
| 3432 } | |
| 3433 at = parseType(&ai); | |
| 3434 if (!ai) | |
| 3435 error("no identifier for declarator %s", at.toChars()); | |
| 3436 Larg: | |
| 3437 a = new Argument(storageClass, at, ai, null); | |
| 3438 arguments.push(cast(void*)a); | |
| 3439 if (token.value == TOK.TOKcomma) | |
| 3440 { nextToken(); | |
| 3441 continue; | |
| 3442 } | |
| 3443 break; | |
| 3444 } | |
| 3445 check(TOK.TOKsemicolon); | |
| 3446 | |
| 3447 aggr = parseExpression(); | |
| 3448 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3449 { | |
| 3450 Argument a = cast(Argument)arguments.data[0]; | |
| 3451 delete arguments; | |
| 3452 nextToken(); | |
| 3453 Expression upr = parseExpression(); | |
| 3454 check(TOK.TOKrparen); | |
| 3455 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3456 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3457 } | |
| 3458 else | |
| 3459 { | |
| 3460 check(TOK.TOKrparen); | |
| 3461 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3462 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3463 } | |
| 3464 break; | |
| 3465 } | |
| 3466 | |
| 3467 case TOK.TOKif: | |
| 3468 { Argument arg = null; | |
| 3469 Expression condition2; | |
| 3470 Statement ifbody2; | |
| 3471 Statement elsebody2; | |
| 3472 | |
| 3473 nextToken(); | |
| 3474 check(TOK.TOKlparen); | |
| 3475 | |
| 3476 if (token.value == TOK.TOKauto) | |
| 3477 { | |
| 3478 nextToken(); | |
| 3479 if (token.value == TOK.TOKidentifier) | |
| 3480 { | |
| 3481 Token *tt = peek(&token); | |
| 3482 if (tt.value == TOK.TOKassign) | |
| 3483 { | |
| 3484 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3485 nextToken(); | |
| 3486 nextToken(); | |
| 3487 } | |
| 3488 else | |
| 3489 { error("= expected following auto identifier"); | |
| 3490 goto Lerror; | |
| 3491 } | |
| 3492 } | |
| 3493 else | |
| 3494 { error("identifier expected following auto"); | |
| 3495 goto Lerror; | |
| 3496 } | |
| 3497 } | |
| 3498 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3499 { | |
| 3500 Type at; | |
| 3501 Identifier ai; | |
| 3502 | |
| 3503 at = parseType(&ai); | |
| 3504 check(TOK.TOKassign); | |
| 3505 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3506 } | |
| 3507 | |
| 3508 // Check for " ident;" | |
| 3509 else if (token.value == TOK.TOKidentifier) | |
| 3510 { | |
| 3511 Token *tt = peek(&token); | |
| 3512 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3513 { | |
| 3514 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3515 nextToken(); | |
| 3516 nextToken(); | |
| 3517 if (1 || !global.params.useDeprecated) | |
| 3518 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3519 } | |
| 3520 } | |
| 3521 | |
| 3522 condition2 = parseExpression(); | |
| 3523 check(TOK.TOKrparen); | |
| 3524 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3525 if (token.value == TOK.TOKelse) | |
| 3526 { | |
| 3527 nextToken(); | |
| 3528 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3529 } | |
| 3530 else | |
| 3531 elsebody2 = null; | |
| 3532 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3533 break; | |
| 3534 } | |
| 3535 | |
| 3536 case TOK.TOKscope: | |
| 3537 if (peek(&token).value != TOK.TOKlparen) | |
| 3538 goto Ldeclaration; // scope used as storage class | |
| 3539 nextToken(); | |
| 3540 check(TOK.TOKlparen); | |
| 3541 if (token.value != TOK.TOKidentifier) | |
| 3542 { error("scope identifier expected"); | |
| 3543 goto Lerror; | |
| 3544 } | |
| 3545 else | |
| 3546 { TOK tt = TOK.TOKon_scope_exit; | |
| 3547 Identifier id = token.ident; | |
| 3548 | |
| 3549 if (id == Id.exit) | |
| 3550 tt = TOK.TOKon_scope_exit; | |
| 3551 else if (id == Id.failure) | |
| 3552 tt = TOK.TOKon_scope_failure; | |
| 3553 else if (id == Id.success) | |
| 3554 tt = TOK.TOKon_scope_success; | |
| 3555 else | |
| 3556 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3557 nextToken(); | |
| 3558 check(TOK.TOKrparen); | |
| 3559 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3560 s = new OnScopeStatement(loc, tt, st); | |
| 3561 break; | |
| 3562 } | |
| 3563 | |
| 3564 case TOK.TOKdebug: | |
| 3565 nextToken(); | |
| 3566 condition = parseDebugCondition(); | |
| 3567 goto Lcondition; | |
| 3568 | |
| 3569 case TOK.TOKversion: | |
| 3570 nextToken(); | |
| 3571 condition = parseVersionCondition(); | |
| 3572 goto Lcondition; | |
| 3573 | |
| 3574 Lcondition: | |
| 3575 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3576 elsebody = null; | |
| 3577 if (token.value == TOK.TOKelse) | |
| 3578 { | |
| 3579 nextToken(); | |
| 3580 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3581 } | |
| 3582 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3583 break; | |
| 3584 | |
| 3585 case TOK.TOKpragma: | |
| 3586 { Identifier ident; | |
| 3587 Expressions args = null; | |
| 3588 Statement body_; | |
| 3589 | |
| 3590 nextToken(); | |
| 3591 check(TOK.TOKlparen); | |
| 3592 if (token.value != TOK.TOKidentifier) | |
| 3593 { error("pragma(identifier expected"); | |
| 3594 goto Lerror; | |
| 3595 } | |
| 3596 ident = token.ident; | |
| 3597 nextToken(); | |
| 3598 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3599 args = parseArguments(); // pragma(identifier, args...); | |
| 3600 else | |
| 3601 check(TOK.TOKrparen); // pragma(identifier); | |
| 3602 if (token.value == TOK.TOKsemicolon) | |
| 3603 { nextToken(); | |
| 3604 body_ = null; | |
| 3605 } | |
| 3606 else | |
| 3607 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3608 s = new PragmaStatement(loc, ident, args, body_); | |
| 3609 break; | |
| 3610 } | |
| 3611 | |
| 3612 case TOK.TOKswitch: | |
| 3613 isfinal = false; | |
| 3614 goto Lswitch; | |
| 3615 | |
| 3616 Lswitch: | |
| 3617 { | |
| 3618 nextToken(); | |
| 3619 check(TOK.TOKlparen); | |
| 3620 Expression condition2 = parseExpression(); | |
| 3621 check(TOK.TOKrparen); | |
| 3622 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3623 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3624 break; | |
| 3625 } | |
| 3626 | |
| 3627 case TOK.TOKcase: | |
| 3628 { Expression exp; | |
| 3629 Statements statements; | |
| 3630 scope Array cases = new Array(); // array of Expression's | |
| 3631 Expression last = null; | |
| 3632 | |
| 3633 while (1) | |
| 3634 { | |
| 3635 nextToken(); | |
| 3636 exp = parseAssignExp(); | |
| 3637 cases.push(cast(void*)exp); | |
| 3638 if (token.value != TOK.TOKcomma) | |
| 3639 break; | |
| 3640 } | |
| 3641 check(TOK.TOKcolon); | |
| 3642 | |
| 3643 version (DMDV2) { | |
| 3644 /* case exp: .. case last: | |
| 3645 */ | |
| 3646 if (token.value == TOK.TOKslice) | |
| 3647 { | |
| 3648 if (cases.dim > 1) | |
| 3649 error("only one case allowed for start of case range"); | |
| 3650 nextToken(); | |
| 3651 check(TOK.TOKcase); | |
| 3652 last = parseAssignExp(); | |
| 3653 check(TOK.TOKcolon); | |
| 3654 } | |
| 3655 } | |
| 3656 | |
| 3657 statements = new Statements(); | |
| 3658 while (token.value != TOK.TOKcase && | |
| 3659 token.value != TOK.TOKdefault && | |
| 79 | 3660 token.value != TOKeof && |
| 0 | 3661 token.value != TOK.TOKrcurly) |
| 3662 { | |
| 3663 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3664 } | |
| 3665 s = new CompoundStatement(loc, statements); | |
| 3666 s = new ScopeStatement(loc, s); | |
| 3667 | |
| 3668 ///version (DMDV2) { | |
| 3669 if (last) | |
| 3670 { | |
| 3671 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3672 } | |
| 3673 else | |
| 3674 ///} | |
| 3675 { | |
| 3676 // Keep cases in order by building the case statements backwards | |
| 3677 for (int i = cases.dim; i; i--) | |
| 3678 { | |
| 3679 exp = cast(Expression)cases.data[i - 1]; | |
| 3680 s = new CaseStatement(loc, exp, s); | |
| 3681 } | |
| 3682 } | |
| 3683 break; | |
| 3684 } | |
| 3685 | |
| 3686 case TOK.TOKdefault: | |
| 3687 { | |
| 3688 Statements statements; | |
| 3689 | |
| 3690 nextToken(); | |
| 3691 check(TOK.TOKcolon); | |
| 3692 | |
| 3693 statements = new Statements(); | |
| 3694 while (token.value != TOK.TOKcase && | |
| 3695 token.value != TOK.TOKdefault && | |
| 79 | 3696 token.value != TOKeof && |
| 0 | 3697 token.value != TOK.TOKrcurly) |
| 3698 { | |
| 3699 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3700 } | |
| 3701 s = new CompoundStatement(loc, statements); | |
| 3702 s = new ScopeStatement(loc, s); | |
| 3703 s = new DefaultStatement(loc, s); | |
| 3704 break; | |
| 3705 } | |
| 3706 | |
| 3707 case TOK.TOKreturn: | |
| 3708 { Expression exp; | |
| 3709 | |
| 3710 nextToken(); | |
| 3711 if (token.value == TOK.TOKsemicolon) | |
| 3712 exp = null; | |
| 3713 else | |
| 3714 exp = parseExpression(); | |
| 3715 check(TOK.TOKsemicolon, "return statement"); | |
| 3716 s = new ReturnStatement(loc, exp); | |
| 3717 break; | |
| 3718 } | |
| 3719 | |
| 3720 case TOK.TOKbreak: | |
| 3721 { Identifier ident; | |
| 3722 | |
| 3723 nextToken(); | |
| 3724 if (token.value == TOK.TOKidentifier) | |
| 3725 { ident = token.ident; | |
| 3726 nextToken(); | |
| 3727 } | |
| 3728 else | |
| 3729 ident = null; | |
| 3730 check(TOK.TOKsemicolon, "break statement"); | |
| 3731 s = new BreakStatement(loc, ident); | |
| 3732 break; | |
| 3733 } | |
| 3734 | |
| 3735 case TOK.TOKcontinue: | |
| 3736 { Identifier ident; | |
| 3737 | |
| 3738 nextToken(); | |
| 3739 if (token.value == TOK.TOKidentifier) | |
| 3740 { ident = token.ident; | |
| 3741 nextToken(); | |
| 3742 } | |
| 3743 else | |
| 3744 ident = null; | |
| 3745 check(TOK.TOKsemicolon, "continue statement"); | |
| 3746 s = new ContinueStatement(loc, ident); | |
| 3747 break; | |
| 3748 } | |
| 3749 | |
| 3750 case TOK.TOKgoto: | |
| 3751 { Identifier ident; | |
| 3752 | |
| 3753 nextToken(); | |
| 3754 if (token.value == TOK.TOKdefault) | |
| 3755 { | |
| 3756 nextToken(); | |
| 3757 s = new GotoDefaultStatement(loc); | |
| 3758 } | |
| 3759 else if (token.value == TOK.TOKcase) | |
| 3760 { | |
| 3761 Expression exp = null; | |
| 3762 | |
| 3763 nextToken(); | |
| 3764 if (token.value != TOK.TOKsemicolon) | |
| 3765 exp = parseExpression(); | |
| 3766 s = new GotoCaseStatement(loc, exp); | |
| 3767 } | |
| 3768 else | |
| 3769 { | |
| 3770 if (token.value != TOK.TOKidentifier) | |
| 3771 { error("Identifier expected following goto"); | |
| 3772 ident = null; | |
| 3773 } | |
| 3774 else | |
| 3775 { ident = token.ident; | |
| 3776 nextToken(); | |
| 3777 } | |
| 3778 s = new GotoStatement(loc, ident); | |
| 3779 } | |
| 3780 check(TOK.TOKsemicolon, "goto statement"); | |
| 3781 break; | |
| 3782 } | |
| 3783 | |
| 3784 case TOK.TOKsynchronized: | |
| 3785 { Expression exp; | |
| 3786 Statement body_; | |
| 3787 | |
| 3788 nextToken(); | |
| 3789 if (token.value == TOK.TOKlparen) | |
| 3790 { | |
| 3791 nextToken(); | |
| 3792 exp = parseExpression(); | |
| 3793 check(TOK.TOKrparen); | |
| 3794 } | |
| 3795 else | |
| 3796 exp = null; | |
| 3797 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3798 s = new SynchronizedStatement(loc, exp, body_); | |
| 3799 break; | |
| 3800 } | |
| 3801 | |
| 3802 case TOK.TOKwith: | |
| 3803 { Expression exp; | |
| 3804 Statement body_; | |
| 3805 | |
| 3806 nextToken(); | |
| 3807 check(TOK.TOKlparen); | |
| 3808 exp = parseExpression(); | |
| 3809 check(TOK.TOKrparen); | |
| 3810 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3811 s = new WithStatement(loc, exp, body_); | |
| 3812 break; | |
| 3813 } | |
| 3814 | |
| 3815 case TOK.TOKtry: | |
| 3816 { Statement body_; | |
| 3817 Array catches = null; | |
| 3818 Statement finalbody = null; | |
| 3819 | |
| 3820 nextToken(); | |
| 3821 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3822 while (token.value == TOK.TOKcatch) | |
| 3823 { | |
| 3824 Statement handler; | |
| 3825 Catch c; | |
| 3826 Type tt; | |
| 3827 Identifier id; | |
| 3828 Loc loc2 = this.loc; | |
| 3829 | |
| 3830 nextToken(); | |
| 3831 if (token.value == TOK.TOKlcurly) | |
| 3832 { | |
| 3833 tt = null; | |
| 3834 id = null; | |
| 3835 } | |
| 3836 else | |
| 3837 { | |
| 3838 check(TOK.TOKlparen); | |
| 3839 id = null; | |
| 3840 tt = parseType(&id); | |
| 3841 check(TOK.TOKrparen); | |
| 3842 } | |
| 3843 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3844 c = new Catch(loc2, tt, id, handler); | |
| 3845 if (!catches) | |
| 3846 catches = new Array(); | |
| 3847 catches.push(cast(void*)c); | |
| 3848 } | |
| 3849 | |
| 3850 if (token.value == TOK.TOKfinally) | |
| 3851 { nextToken(); | |
| 3852 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3853 } | |
| 3854 | |
| 3855 s = body_; | |
| 3856 if (!catches && !finalbody) | |
| 3857 error("catch or finally expected following try"); | |
| 3858 else | |
| 3859 { if (catches) | |
| 3860 s = new TryCatchStatement(loc, body_, catches); | |
| 3861 if (finalbody) | |
| 3862 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3863 } | |
| 3864 break; | |
| 3865 } | |
| 3866 | |
| 3867 case TOK.TOKthrow: | |
| 3868 { Expression exp; | |
| 3869 | |
| 3870 nextToken(); | |
| 3871 exp = parseExpression(); | |
| 3872 check(TOK.TOKsemicolon, "throw statement"); | |
| 3873 s = new ThrowStatement(loc, exp); | |
| 3874 break; | |
| 3875 } | |
| 3876 | |
| 3877 case TOK.TOKvolatile: | |
| 3878 nextToken(); | |
| 3879 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3880 version (DMDV2) { | |
| 3881 if (!global.params.useDeprecated) | |
| 3882 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3883 } | |
| 3884 s = new VolatileStatement(loc, s); | |
| 3885 break; | |
| 3886 | |
| 3887 case TOK.TOKasm: | |
| 3888 { Statements statements; | |
| 3889 Identifier label; | |
| 3890 Loc labelloc; | |
| 3891 Token* toklist; | |
| 3892 Token** ptoklist; | |
| 3893 | |
| 3894 // Parse the asm block into a sequence of AsmStatements, | |
| 3895 // each AsmStatement is one instruction. | |
| 3896 // Separate out labels. | |
| 3897 // Defer parsing of AsmStatements until semantic processing. | |
| 3898 | |
| 3899 nextToken(); | |
| 3900 check(TOK.TOKlcurly); | |
| 3901 toklist = null; | |
| 3902 ptoklist = &toklist; | |
| 3903 label = null; | |
| 3904 statements = new Statements(); | |
| 3905 while (1) | |
| 3906 { | |
| 3907 switch (token.value) | |
| 3908 { | |
| 3909 case TOK.TOKidentifier: | |
| 3910 if (!toklist) | |
| 3911 { | |
| 3912 // Look ahead to see if it is a label | |
| 3913 t = peek(&token); | |
| 3914 if (t.value == TOK.TOKcolon) | |
| 3915 { // It's a label | |
| 3916 label = token.ident; | |
| 3917 labelloc = this.loc; | |
| 3918 nextToken(); | |
| 3919 nextToken(); | |
| 3920 continue; | |
| 3921 } | |
| 3922 } | |
| 3923 goto Ldefault; | |
| 3924 | |
| 3925 case TOK.TOKrcurly: | |
| 3926 if (toklist || label) | |
| 3927 { | |
| 3928 error("asm statements must end in ';'"); | |
| 3929 } | |
| 3930 break; | |
| 3931 | |
| 3932 case TOK.TOKsemicolon: | |
| 3933 s = null; | |
| 3934 if (toklist || label) | |
| 3935 { // Create AsmStatement from list of tokens we've saved | |
| 3936 s = new AsmStatement(this.loc, toklist); | |
| 3937 toklist = null; | |
| 3938 ptoklist = &toklist; | |
| 3939 if (label) | |
| 3940 { | |
| 3941 s = new LabelStatement(labelloc, label, s); | |
| 3942 label = null; | |
| 3943 } | |
| 3944 statements.push(cast(void*)s); | |
| 3945 } | |
| 3946 nextToken(); | |
| 3947 continue; | |
| 3948 | |
| 3949 case TOK.TOKeof: | |
| 3950 /* { */ | |
| 3951 error("matching '}' expected, not end of file"); | |
| 3952 break; | |
| 3953 | |
| 3954 default: | |
| 3955 Ldefault: | |
| 3956 *ptoklist = new Token(); | |
| 3957 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3958 ptoklist = &(*ptoklist).next; | |
| 3959 *ptoklist = null; | |
| 3960 | |
| 3961 nextToken(); | |
| 3962 continue; | |
| 3963 } | |
| 3964 break; | |
| 3965 } | |
| 3966 s = new CompoundStatement(loc, statements); | |
| 3967 nextToken(); | |
| 3968 break; | |
| 3969 } | |
| 3970 | |
| 3971 default: | |
| 3972 error("found '%s' instead of statement", token.toChars()); | |
| 3973 goto Lerror; | |
| 3974 | |
| 3975 Lerror: | |
| 3976 while (token.value != TOK.TOKrcurly && | |
| 3977 token.value != TOK.TOKsemicolon && | |
| 3978 token.value != TOK.TOKeof) | |
| 3979 nextToken(); | |
| 3980 if (token.value == TOK.TOKsemicolon) | |
| 3981 nextToken(); | |
| 3982 s = null; | |
| 3983 break; | |
| 3984 } | |
| 3985 | |
| 3986 return s; | |
| 3987 } | |
| 3988 | |
| 3989 /***************************************** | |
| 3990 * Parse initializer for variable declaration. | |
| 3991 */ | |
| 3992 Initializer parseInitializer() | |
| 3993 { | |
| 3994 StructInitializer is_; | |
| 3995 ArrayInitializer ia; | |
| 3996 ExpInitializer ie; | |
| 3997 Expression e; | |
| 3998 Identifier id; | |
| 3999 Initializer value; | |
| 4000 int comma; | |
| 4001 Loc loc = this.loc; | |
| 4002 Token* t; | |
| 4003 int braces; | |
| 4004 int brackets; | |
| 4005 | |
| 4006 switch (token.value) | |
| 4007 { | |
| 4008 case TOK.TOKlcurly: | |
| 4009 /* Scan ahead to see if it is a struct initializer or | |
| 4010 * a function literal. | |
| 4011 * If it contains a ';', it is a function literal. | |
| 4012 * Treat { } as a struct initializer. | |
| 4013 */ | |
| 4014 braces = 1; | |
| 4015 for (t = peek(&token); 1; t = peek(t)) | |
| 4016 { | |
| 4017 switch (t.value) | |
| 4018 { | |
| 4019 case TOK.TOKsemicolon: | |
| 4020 case TOK.TOKreturn: | |
| 4021 goto Lexpression; | |
| 4022 | |
| 4023 case TOK.TOKlcurly: | |
| 4024 braces++; | |
| 4025 continue; | |
| 4026 | |
| 4027 case TOK.TOKrcurly: | |
| 4028 if (--braces == 0) | |
| 4029 break; | |
| 4030 continue; | |
| 4031 | |
| 4032 case TOK.TOKeof: | |
| 4033 break; | |
| 4034 | |
| 4035 default: | |
| 4036 continue; | |
| 4037 } | |
| 4038 break; | |
| 4039 } | |
| 4040 | |
| 4041 is_ = new StructInitializer(loc); | |
| 4042 nextToken(); | |
| 4043 comma = 0; | |
| 4044 while (1) | |
| 4045 { | |
| 4046 switch (token.value) | |
| 4047 { | |
| 4048 case TOK.TOKidentifier: | |
| 4049 if (comma == 1) | |
| 4050 error("comma expected separating field initializers"); | |
| 4051 t = peek(&token); | |
| 4052 if (t.value == TOK.TOKcolon) | |
| 4053 { | |
| 4054 id = token.ident; | |
| 4055 nextToken(); | |
| 4056 nextToken(); // skip over ':' | |
| 4057 } | |
| 4058 else | |
| 4059 { | |
| 4060 id = null; | |
| 4061 } | |
| 4062 value = parseInitializer(); | |
| 4063 is_.addInit(id, value); | |
| 4064 comma = 1; | |
| 4065 continue; | |
| 4066 | |
| 4067 case TOK.TOKcomma: | |
| 4068 nextToken(); | |
| 4069 comma = 2; | |
| 4070 continue; | |
| 4071 | |
| 4072 case TOK.TOKrcurly: // allow trailing comma's | |
| 4073 nextToken(); | |
| 4074 break; | |
| 4075 | |
| 4076 case TOK.TOKeof: | |
| 4077 error("found EOF instead of initializer"); | |
| 4078 break; | |
| 4079 | |
| 4080 default: | |
| 4081 value = parseInitializer(); | |
| 4082 is_.addInit(null, value); | |
| 4083 comma = 1; | |
| 4084 continue; | |
| 4085 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4086 //break; | |
| 4087 } | |
| 4088 break; | |
| 4089 } | |
| 4090 return is_; | |
| 4091 | |
| 4092 case TOK.TOKlbracket: | |
| 4093 /* Scan ahead to see if it is an array initializer or | |
| 4094 * an expression. | |
| 4095 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4096 */ | |
| 4097 brackets = 1; | |
| 4098 for (t = peek(&token); 1; t = peek(t)) | |
| 4099 { | |
| 4100 switch (t.value) | |
| 4101 { | |
| 4102 case TOK.TOKlbracket: | |
| 4103 brackets++; | |
| 4104 continue; | |
| 4105 | |
| 4106 case TOK.TOKrbracket: | |
| 4107 if (--brackets == 0) | |
| 4108 { | |
| 4109 t = peek(t); | |
| 4110 if (t.value != TOK.TOKsemicolon && | |
| 4111 t.value != TOK.TOKcomma && | |
| 4112 t.value != TOK.TOKrcurly) | |
| 4113 goto Lexpression; | |
| 4114 break; | |
| 4115 } | |
| 4116 continue; | |
| 4117 | |
| 4118 case TOK.TOKeof: | |
| 4119 break; | |
| 4120 | |
| 4121 default: | |
| 4122 continue; | |
| 4123 } | |
| 4124 break; | |
| 4125 } | |
| 4126 | |
| 4127 ia = new ArrayInitializer(loc); | |
| 4128 nextToken(); | |
| 4129 comma = 0; | |
| 4130 while (true) | |
| 4131 { | |
| 4132 switch (token.value) | |
| 4133 { | |
| 4134 default: | |
| 4135 if (comma == 1) | |
| 4136 { | |
| 4137 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4138 nextToken(); | |
| 4139 break; | |
| 4140 } | |
| 4141 e = parseAssignExp(); | |
| 4142 if (!e) | |
| 4143 break; | |
| 4144 if (token.value == TOK.TOKcolon) | |
| 4145 { | |
| 4146 nextToken(); | |
| 4147 value = parseInitializer(); | |
| 4148 } | |
| 4149 else | |
| 4150 { value = new ExpInitializer(e.loc, e); | |
| 4151 e = null; | |
| 4152 } | |
| 4153 ia.addInit(e, value); | |
| 4154 comma = 1; | |
| 4155 continue; | |
| 4156 | |
| 4157 case TOK.TOKlcurly: | |
| 4158 case TOK.TOKlbracket: | |
| 4159 if (comma == 1) | |
| 4160 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4161 value = parseInitializer(); | |
| 4162 ia.addInit(null, value); | |
| 4163 comma = 1; | |
| 4164 continue; | |
| 4165 | |
| 4166 case TOK.TOKcomma: | |
| 4167 nextToken(); | |
| 4168 comma = 2; | |
| 4169 continue; | |
| 4170 | |
| 4171 case TOK.TOKrbracket: // allow trailing comma's | |
| 4172 nextToken(); | |
| 4173 break; | |
| 4174 | |
| 4175 case TOK.TOKeof: | |
| 4176 error("found '%s' instead of array initializer", token.toChars()); | |
| 4177 break; | |
| 4178 } | |
| 4179 break; | |
| 4180 } | |
| 4181 return ia; | |
| 4182 | |
| 4183 case TOK.TOKvoid: | |
| 4184 t = peek(&token); | |
| 4185 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4186 { | |
| 4187 nextToken(); | |
| 4188 return new VoidInitializer(loc); | |
| 4189 } | |
| 4190 goto Lexpression; | |
| 4191 | |
| 4192 default: | |
| 4193 Lexpression: | |
| 4194 e = parseAssignExp(); | |
| 4195 ie = new ExpInitializer(loc, e); | |
| 4196 return ie; | |
| 4197 } | |
| 4198 } | |
| 4199 | |
| 4200 /***************************************** | |
| 4201 * Parses default argument initializer expression that is an assign expression, | |
| 4202 * with special handling for __FILE__ and __LINE__. | |
| 4203 */ | |
| 4204 version (DMDV2) { | |
| 4205 Expression parseDefaultInitExp() | |
| 4206 { | |
| 4207 if (token.value == TOK.TOKfile || | |
| 4208 token.value == TOK.TOKline) | |
| 4209 { | |
| 4210 Token* t = peek(&token); | |
| 4211 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4212 { | |
| 4213 Expression e; | |
| 4214 | |
| 4215 if (token.value == TOK.TOKfile) | |
| 4216 e = new FileInitExp(loc); | |
| 4217 else | |
| 4218 e = new LineInitExp(loc); | |
| 4219 nextToken(); | |
| 4220 return e; | |
| 4221 } | |
| 4222 } | |
| 4223 | |
| 4224 Expression e = parseAssignExp(); | |
| 4225 return e; | |
| 4226 } | |
| 4227 } | |
| 4228 void check(Loc loc, TOK value) | |
| 4229 { | |
| 4230 if (token.value != value) | |
| 4231 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4232 nextToken(); | |
| 4233 } | |
| 4234 | |
| 4235 void check(TOK value) | |
| 4236 { | |
| 4237 check(loc, value); | |
| 4238 } | |
| 4239 | |
| 4240 void check(TOK value, string string_) | |
| 4241 { | |
| 4242 if (token.value != value) { | |
| 4243 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4244 } | |
| 4245 nextToken(); | |
| 4246 } | |
| 4247 | |
| 4248 /************************************ | |
| 4249 * Determine if the scanner is sitting on the start of a declaration. | |
| 4250 * Input: | |
| 4251 * needId 0 no identifier | |
| 4252 * 1 identifier optional | |
| 4253 * 2 must have identifier | |
| 4254 * Output: | |
| 4255 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4256 */ | |
| 4257 | |
| 4258 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4259 { | |
| 4260 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4261 int haveId = 0; | |
| 4262 | |
| 4263 version (DMDV2) { | |
| 4264 if ((t.value == TOK.TOKconst || | |
| 4265 t.value == TOK.TOKinvariant || | |
| 4266 t.value == TOK.TOKimmutable || | |
| 4267 t.value == TOK.TOKshared) && | |
| 4268 peek(t).value != TOK.TOKlparen) | |
| 4269 { | |
| 4270 /* const type | |
| 4271 * immutable type | |
| 4272 * shared type | |
| 4273 */ | |
| 4274 t = peek(t); | |
| 4275 } | |
| 4276 } | |
| 4277 | |
| 4278 if (!isBasicType(&t)) | |
| 4279 { | |
| 4280 goto Lisnot; | |
| 4281 } | |
| 4282 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4283 goto Lisnot; | |
| 4284 if ( needId == 1 || | |
| 4285 (needId == 0 && !haveId) || | |
| 4286 (needId == 2 && haveId)) | |
| 4287 { | |
| 4288 if (pt) | |
| 4289 *pt = t; | |
| 4290 goto Lis; | |
| 4291 } | |
| 4292 else | |
| 4293 goto Lisnot; | |
| 4294 | |
| 4295 Lis: | |
| 4296 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4297 return true; | |
| 4298 | |
| 4299 Lisnot: | |
| 4300 //printf("\tis not declaration\n"); | |
| 4301 return false; | |
| 4302 } | |
| 4303 | |
| 4304 bool isBasicType(Token** pt) | |
| 4305 { | |
| 4306 // This code parallels parseBasicType() | |
| 4307 Token* t = *pt; | |
| 4308 Token* t2; | |
| 4309 int parens; | |
| 4310 int haveId = 0; | |
| 4311 | |
| 4312 switch (t.value) | |
| 4313 { | |
| 4314 case TOKwchar: | |
| 4315 case TOKdchar: | |
| 4316 case TOKbit: | |
| 4317 case TOKbool: | |
| 4318 case TOKchar: | |
| 4319 case TOKint8: | |
| 4320 case TOKuns8: | |
| 4321 case TOKint16: | |
| 4322 case TOKuns16: | |
| 4323 case TOKint32: | |
| 4324 case TOKuns32: | |
| 4325 case TOKint64: | |
| 4326 case TOKuns64: | |
| 4327 case TOKfloat32: | |
| 4328 case TOKfloat64: | |
| 4329 case TOKfloat80: | |
| 4330 case TOKimaginary32: | |
| 4331 case TOKimaginary64: | |
| 4332 case TOKimaginary80: | |
| 4333 case TOKcomplex32: | |
| 4334 case TOKcomplex64: | |
| 4335 case TOKcomplex80: | |
| 4336 case TOKvoid: | |
| 4337 t = peek(t); | |
| 4338 break; | |
| 4339 | |
| 4340 case TOK.TOKidentifier: | |
| 4341 L5: | |
| 4342 t = peek(t); | |
| 4343 if (t.value == TOK.TOKnot) | |
| 4344 { | |
| 4345 goto L4; | |
| 4346 } | |
| 4347 goto L3; | |
| 4348 while (1) | |
| 4349 { | |
| 4350 L2: | |
| 4351 t = peek(t); | |
| 4352 L3: | |
| 4353 if (t.value == TOK.TOKdot) | |
| 4354 { | |
| 4355 Ldot: | |
| 4356 t = peek(t); | |
| 4357 if (t.value != TOK.TOKidentifier) | |
| 4358 goto Lfalse; | |
| 4359 t = peek(t); | |
| 4360 if (t.value != TOK.TOKnot) | |
| 4361 goto L3; | |
| 4362 L4: | |
| 4363 /* Seen a ! | |
| 4364 * Look for: | |
| 4365 * !( args ), !identifier, etc. | |
| 4366 */ | |
| 4367 t = peek(t); | |
| 4368 switch (t.value) | |
| 4369 { case TOK.TOKidentifier: | |
| 4370 goto L5; | |
| 4371 case TOK.TOKlparen: | |
| 4372 if (!skipParens(t, &t)) | |
| 4373 goto Lfalse; | |
| 4374 break; | |
| 4375 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4376 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4377 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4378 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4379 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4380 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4381 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4382 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4383 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4384 case TOK.TOKvoid: | |
| 4385 case TOK.TOKint32v: | |
| 4386 case TOK.TOKuns32v: | |
| 4387 case TOK.TOKint64v: | |
| 4388 case TOK.TOKuns64v: | |
| 4389 case TOK.TOKfloat32v: | |
| 4390 case TOK.TOKfloat64v: | |
| 4391 case TOK.TOKfloat80v: | |
| 4392 case TOK.TOKimaginary32v: | |
| 4393 case TOK.TOKimaginary64v: | |
| 4394 case TOK.TOKimaginary80v: | |
| 4395 case TOK.TOKnull: | |
| 4396 case TOK.TOKtrue: | |
| 4397 case TOK.TOKfalse: | |
| 4398 case TOK.TOKcharv: | |
| 4399 case TOK.TOKwcharv: | |
| 4400 case TOK.TOKdcharv: | |
| 4401 case TOK.TOKstring: | |
| 4402 case TOK.TOKfile: | |
| 4403 case TOK.TOKline: | |
| 4404 goto L2; | |
| 4405 default: | |
| 4406 goto Lfalse; | |
| 4407 } | |
| 4408 } | |
| 4409 else | |
| 4410 break; | |
| 4411 } | |
| 4412 break; | |
| 4413 | |
| 4414 case TOK.TOKdot: | |
| 4415 goto Ldot; | |
| 4416 | |
| 4417 case TOK.TOKtypeof: | |
| 4418 /* typeof(exp).identifier... | |
| 4419 */ | |
| 4420 t = peek(t); | |
| 4421 if (t.value != TOK.TOKlparen) | |
| 4422 goto Lfalse; | |
| 4423 if (!skipParens(t, &t)) | |
| 4424 goto Lfalse; | |
| 4425 goto L2; | |
| 4426 | |
| 4427 case TOK.TOKconst: | |
| 4428 case TOK.TOKinvariant: | |
| 4429 case TOK.TOKimmutable: | |
| 4430 case TOK.TOKshared: | |
| 4431 // const(type) or immutable(type) or shared(type) | |
| 4432 t = peek(t); | |
| 4433 if (t.value != TOK.TOKlparen) | |
| 4434 goto Lfalse; | |
| 4435 t = peek(t); | |
| 4436 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4437 { | |
| 4438 goto Lfalse; | |
| 4439 } | |
| 4440 t = peek(t); | |
| 4441 break; | |
| 4442 | |
| 4443 default: | |
| 4444 goto Lfalse; | |
| 4445 } | |
| 4446 *pt = t; | |
| 4447 //printf("is\n"); | |
| 4448 return true; | |
| 4449 | |
| 4450 Lfalse: | |
| 4451 //printf("is not\n"); | |
| 4452 return false; | |
| 4453 } | |
| 4454 | |
| 4455 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4456 { | |
| 4457 // This code parallels parseDeclarator() | |
| 4458 Token* t = *pt; | |
| 4459 bool parens; | |
| 4460 | |
| 4461 //printf("Parser.isDeclarator()\n"); | |
| 4462 //t.print(); | |
| 4463 if (t.value == TOK.TOKassign) | |
| 4464 return false; | |
| 4465 | |
| 4466 while (true) | |
| 4467 { | |
| 4468 parens = false; | |
| 4469 switch (t.value) | |
| 4470 { | |
| 4471 case TOK.TOKmul: | |
| 4472 //case TOKand: | |
| 4473 t = peek(t); | |
| 4474 continue; | |
| 4475 | |
| 4476 case TOK.TOKlbracket: | |
| 4477 t = peek(t); | |
| 4478 if (t.value == TOK.TOKrbracket) | |
| 4479 { | |
| 4480 t = peek(t); | |
| 4481 } | |
| 79 | 4482 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4483 { | |
| 4484 t = peek(t); | |
| 4485 t = peek(t); | |
| 4486 } | |
| 0 | 4487 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4488 { | |
| 4489 // It's an associative array declaration | |
| 4490 t = peek(t); | |
| 4491 } | |
| 4492 else | |
| 4493 { | |
| 4494 // [ expression ] | |
| 4495 // [ expression .. expression ] | |
| 4496 if (!isExpression(&t)) | |
| 4497 return false; | |
| 4498 if (t.value == TOK.TOKslice) | |
| 4499 { | |
| 4500 t = peek(t); | |
| 4501 if (!isExpression(&t)) | |
| 4502 return false; | |
| 4503 } | |
| 4504 if (t.value != TOK.TOKrbracket) | |
| 4505 return false; | |
| 4506 t = peek(t); | |
| 4507 } | |
| 4508 continue; | |
| 4509 | |
| 4510 case TOK.TOKidentifier: | |
| 4511 if (*haveId) | |
| 4512 return false; | |
| 4513 *haveId = true; | |
| 4514 t = peek(t); | |
| 4515 break; | |
| 4516 | |
| 4517 case TOK.TOKlparen: | |
| 4518 t = peek(t); | |
| 4519 | |
| 4520 if (t.value == TOK.TOKrparen) | |
| 4521 return false; // () is not a declarator | |
| 4522 | |
| 4523 /* Regard ( identifier ) as not a declarator | |
| 4524 * BUG: what about ( *identifier ) in | |
| 4525 * f(*p)(x); | |
| 4526 * where f is a class instance with overloaded () ? | |
| 4527 * Should we just disallow C-style function pointer declarations? | |
| 4528 */ | |
| 4529 if (t.value == TOK.TOKidentifier) | |
| 4530 { | |
| 4531 Token *t2 = peek(t); | |
| 4532 if (t2.value == TOK.TOKrparen) | |
| 4533 return false; | |
| 4534 } | |
| 4535 | |
| 4536 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4537 return false; | |
| 4538 t = peek(t); | |
| 4539 parens = true; | |
| 4540 break; | |
| 4541 | |
| 4542 case TOK.TOKdelegate: | |
| 4543 case TOK.TOKfunction: | |
| 4544 t = peek(t); | |
| 4545 if (!isParameters(&t)) | |
| 4546 return false; | |
| 4547 continue; | |
| 4548 default: | |
| 4549 break; /// | |
| 4550 } | |
| 4551 break; | |
| 4552 } | |
| 4553 | |
| 4554 while (1) | |
| 4555 { | |
| 4556 switch (t.value) | |
| 4557 { | |
| 4558 version (CARRAYDECL) { | |
| 4559 case TOK.TOKlbracket: | |
| 4560 parens = false; | |
| 4561 t = peek(t); | |
| 4562 if (t.value == TOK.TOKrbracket) | |
| 4563 { | |
| 4564 t = peek(t); | |
| 4565 } | |
| 4566 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4567 { | |
| 4568 // It's an associative array declaration | |
| 4569 t = peek(t); | |
| 4570 } | |
| 4571 else | |
| 4572 { | |
| 4573 // [ expression ] | |
| 4574 if (!isExpression(&t)) | |
| 4575 return false; | |
| 4576 if (t.value != TOK.TOKrbracket) | |
| 4577 return false; | |
| 4578 t = peek(t); | |
| 4579 } | |
| 4580 continue; | |
| 4581 } | |
| 4582 | |
| 4583 case TOK.TOKlparen: | |
| 4584 parens = false; | |
| 4585 if (!isParameters(&t)) | |
| 4586 return false; | |
| 4587 version (DMDV2) { | |
| 4588 while (true) | |
| 4589 { | |
| 4590 switch (t.value) | |
| 4591 { | |
| 4592 case TOK.TOKconst: | |
| 4593 case TOK.TOKinvariant: | |
| 4594 case TOK.TOKimmutable: | |
| 4595 case TOK.TOKshared: | |
| 4596 case TOK.TOKpure: | |
| 4597 case TOK.TOKnothrow: | |
| 4598 t = peek(t); | |
| 4599 continue; | |
| 4600 case TOK.TOKat: | |
| 4601 t = peek(t); // skip '@' | |
| 4602 t = peek(t); // skip identifier | |
| 4603 continue; | |
| 4604 default: | |
| 4605 break; | |
| 4606 } | |
| 4607 break; | |
| 4608 } | |
| 4609 } | |
| 4610 continue; | |
| 4611 | |
| 4612 // Valid tokens that follow a declaration | |
| 4613 case TOK.TOKrparen: | |
| 4614 case TOK.TOKrbracket: | |
| 4615 case TOK.TOKassign: | |
| 4616 case TOK.TOKcomma: | |
| 4617 case TOK.TOKsemicolon: | |
| 4618 case TOK.TOKlcurly: | |
| 4619 case TOK.TOKin: | |
| 4620 // The !parens is to disallow unnecessary parentheses | |
| 4621 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4622 { | |
| 4623 *pt = t; | |
| 4624 return true; | |
| 4625 } | |
| 4626 return false; | |
| 4627 | |
| 4628 default: | |
| 4629 return false; | |
| 4630 } | |
| 4631 } | |
| 4632 } | |
| 4633 | |
| 4634 bool isParameters(Token** pt) | |
| 4635 { | |
| 4636 // This code parallels parseParameters() | |
| 4637 Token* t = *pt; | |
| 4638 | |
| 4639 //printf("isParameters()\n"); | |
| 4640 if (t.value != TOKlparen) | |
| 4641 return false; | |
| 4642 | |
| 4643 t = peek(t); | |
| 4644 for (;1; t = peek(t)) | |
| 4645 { | |
| 4646 L1: | |
| 4647 switch (t.value) | |
| 4648 { | |
| 4649 case TOKrparen: | |
| 4650 break; | |
| 4651 | |
| 4652 case TOKdotdotdot: | |
| 4653 t = peek(t); | |
| 4654 break; | |
| 4655 | |
| 4656 case TOKin: | |
| 4657 case TOKout: | |
| 4658 case TOKinout: | |
| 4659 case TOKref: | |
| 4660 case TOKlazy: | |
| 4661 case TOKfinal: | |
| 4662 continue; | |
| 4663 | |
| 4664 case TOKconst: | |
| 4665 case TOKinvariant: | |
| 4666 case TOKimmutable: | |
| 4667 case TOKshared: | |
| 4668 t = peek(t); | |
| 4669 if (t.value == TOKlparen) | |
| 4670 { | |
| 4671 t = peek(t); | |
| 4672 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4673 return false; | |
| 4674 t = peek(t); // skip past closing ')' | |
| 4675 goto L2; | |
| 4676 } | |
| 4677 goto L1; | |
| 4678 | |
| 4679 static if (false) { | |
| 4680 case TOKstatic: | |
| 4681 continue; | |
| 4682 case TOKauto: | |
| 4683 case TOKalias: | |
| 4684 t = peek(t); | |
| 4685 if (t.value == TOKidentifier) | |
| 4686 t = peek(t); | |
| 4687 if (t.value == TOKassign) | |
| 4688 { t = peek(t); | |
| 4689 if (!isExpression(&t)) | |
| 4690 return false; | |
| 4691 } | |
| 4692 goto L3; | |
| 4693 } | |
| 4694 | |
| 4695 default: | |
| 4696 { | |
| 4697 if (!isBasicType(&t)) | |
| 4698 return false; | |
| 4699 L2: | |
| 4700 int tmp = false; | |
| 4701 if (t.value != TOKdotdotdot && | |
| 4702 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4703 return false; | |
| 4704 if (t.value == TOKassign) | |
| 4705 { | |
| 4706 t = peek(t); | |
| 4707 if (!isExpression(&t)) | |
| 4708 return false; | |
| 4709 } | |
| 4710 if (t.value == TOKdotdotdot) | |
| 4711 { | |
| 4712 t = peek(t); | |
| 4713 break; | |
| 4714 } | |
| 4715 } | |
| 4716 L3: | |
| 4717 if (t.value == TOKcomma) | |
| 4718 { | |
| 4719 continue; | |
| 4720 } | |
| 4721 break; | |
| 4722 } | |
| 4723 break; | |
| 4724 } | |
| 4725 | |
| 4726 if (t.value != TOKrparen) | |
| 4727 return false; | |
| 4728 | |
| 4729 t = peek(t); | |
| 4730 *pt = t; | |
| 4731 return true; | |
| 4732 } | |
| 4733 | |
| 4734 bool isExpression(Token** pt) | |
| 4735 { | |
| 4736 // This is supposed to determine if something is an expression. | |
| 4737 // What it actually does is scan until a closing right bracket | |
| 4738 // is found. | |
| 4739 | |
| 4740 Token* t = *pt; | |
| 4741 int brnest = 0; | |
| 4742 int panest = 0; | |
| 4743 int curlynest = 0; | |
| 4744 | |
| 4745 for (;; t = peek(t)) | |
| 4746 { | |
| 4747 switch (t.value) | |
| 4748 { | |
| 4749 case TOKlbracket: | |
| 4750 brnest++; | |
| 4751 continue; | |
| 4752 | |
| 4753 case TOKrbracket: | |
| 4754 if (--brnest >= 0) | |
| 4755 continue; | |
| 4756 break; | |
| 4757 | |
| 4758 case TOKlparen: | |
| 4759 panest++; | |
| 4760 continue; | |
| 4761 | |
| 4762 case TOKcomma: | |
| 4763 if (brnest || panest) | |
| 4764 continue; | |
| 4765 break; | |
| 4766 | |
| 4767 case TOKrparen: | |
| 4768 if (--panest >= 0) | |
| 4769 continue; | |
| 4770 break; | |
| 4771 | |
| 4772 case TOKlcurly: | |
| 4773 curlynest++; | |
| 4774 continue; | |
| 4775 | |
| 4776 case TOKrcurly: | |
| 4777 if (--curlynest >= 0) | |
| 4778 continue; | |
| 4779 return false; | |
| 4780 | |
| 4781 case TOKslice: | |
| 4782 if (brnest) | |
| 4783 continue; | |
| 4784 break; | |
| 4785 | |
| 4786 case TOKsemicolon: | |
| 4787 if (curlynest) | |
| 4788 continue; | |
| 4789 return false; | |
| 4790 | |
| 4791 case TOKeof: | |
| 4792 return false; | |
| 4793 | |
| 4794 default: | |
| 4795 continue; | |
| 4796 } | |
| 4797 break; | |
| 4798 } | |
| 4799 | |
| 4800 *pt = t; | |
| 4801 return true; | |
| 4802 } | |
| 4803 | |
| 4804 int isTemplateInstance(Token t, Token* pt) | |
| 4805 { | |
| 4806 assert(false); | |
| 4807 } | |
| 4808 | |
| 4809 /******************************************* | |
| 4810 * Skip parens, brackets. | |
| 4811 * Input: | |
| 4812 * t is on opening ( | |
| 4813 * Output: | |
| 4814 * *pt is set to closing token, which is ')' on success | |
| 4815 * Returns: | |
| 4816 * !=0 successful | |
| 4817 * 0 some parsing error | |
| 4818 */ | |
| 4819 bool skipParens(Token* t, Token** pt) | |
| 4820 { | |
| 4821 int parens = 0; | |
| 4822 | |
| 4823 while (1) | |
| 4824 { | |
| 4825 switch (t.value) | |
| 4826 { | |
| 4827 case TOKlparen: | |
| 4828 parens++; | |
| 4829 break; | |
| 4830 | |
| 4831 case TOKrparen: | |
| 4832 parens--; | |
| 4833 if (parens < 0) | |
| 4834 goto Lfalse; | |
| 4835 if (parens == 0) | |
| 4836 goto Ldone; | |
| 4837 break; | |
| 4838 | |
| 4839 case TOKeof: | |
| 4840 case TOKsemicolon: | |
| 4841 goto Lfalse; | |
| 4842 | |
| 4843 default: | |
| 4844 break; | |
| 4845 } | |
| 4846 t = peek(t); | |
| 4847 } | |
| 4848 | |
| 4849 Ldone: | |
| 4850 if (*pt) | |
| 4851 *pt = t; | |
| 4852 return true; | |
| 4853 | |
| 4854 Lfalse: | |
| 4855 return false; | |
| 4856 } | |
| 4857 | |
| 4858 Expression parseExpression() | |
| 4859 { | |
| 4860 Expression e; | |
| 4861 Expression e2; | |
| 4862 Loc loc = this.loc; | |
| 4863 | |
| 4864 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4865 e = parseAssignExp(); | |
| 4866 while (token.value == TOK.TOKcomma) | |
| 4867 { | |
| 4868 nextToken(); | |
| 4869 e2 = parseAssignExp(); | |
| 4870 e = new CommaExp(loc, e, e2); | |
| 4871 loc = this.loc; | |
| 4872 } | |
| 4873 return e; | |
| 4874 } | |
| 4875 | |
| 4876 Expression parsePrimaryExp() | |
| 4877 { | |
| 4878 Expression e; | |
| 4879 Type t; | |
| 4880 Identifier id; | |
| 4881 TOK save; | |
| 4882 Loc loc = this.loc; | |
| 4883 | |
| 4884 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4885 switch (token.value) | |
| 4886 { | |
| 4887 case TOK.TOKidentifier: | |
| 4888 id = token.ident; | |
| 4889 nextToken(); | |
| 4890 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4891 { // identifier!(template-argument-list) | |
| 4892 TemplateInstance tempinst; | |
| 4893 | |
| 4894 tempinst = new TemplateInstance(loc, id); | |
| 4895 nextToken(); | |
| 4896 if (token.value == TOK.TOKlparen) | |
| 4897 // ident!(template_arguments) | |
| 4898 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4899 else | |
| 4900 // ident!template_argument | |
| 4901 tempinst.tiargs = parseTemplateArgument(); | |
| 4902 e = new ScopeExp(loc, tempinst); | |
| 4903 } | |
| 4904 else | |
| 4905 e = new IdentifierExp(loc, id); | |
| 4906 break; | |
| 4907 | |
| 4908 case TOK.TOKdollar: | |
| 4909 if (!inBrackets) | |
| 4910 error("'$' is valid only inside [] of index or slice"); | |
| 4911 e = new DollarExp(loc); | |
| 4912 nextToken(); | |
| 4913 break; | |
| 4914 | |
| 4915 case TOK.TOKdot: | |
| 4916 // Signal global scope '.' operator with "" identifier | |
| 4917 e = new IdentifierExp(loc, Id.empty); | |
| 4918 break; | |
| 4919 | |
| 4920 case TOK.TOKthis: | |
| 4921 e = new ThisExp(loc); | |
| 4922 nextToken(); | |
| 4923 break; | |
| 4924 | |
| 4925 case TOK.TOKsuper: | |
| 4926 e = new SuperExp(loc); | |
| 4927 nextToken(); | |
| 4928 break; | |
| 4929 | |
| 4930 case TOK.TOKint32v: | |
| 4931 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4932 nextToken(); | |
| 4933 break; | |
| 4934 | |
| 4935 case TOK.TOKuns32v: | |
| 4936 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4937 nextToken(); | |
| 4938 break; | |
| 4939 | |
| 4940 case TOK.TOKint64v: | |
| 4941 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4942 nextToken(); | |
| 4943 break; | |
| 4944 | |
| 4945 case TOK.TOKuns64v: | |
| 4946 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4947 nextToken(); | |
| 4948 break; | |
| 4949 | |
| 4950 case TOK.TOKfloat32v: | |
| 4951 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4952 nextToken(); | |
| 4953 break; | |
| 4954 | |
| 4955 case TOK.TOKfloat64v: | |
| 4956 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4957 nextToken(); | |
| 4958 break; | |
| 4959 | |
| 4960 case TOK.TOKfloat80v: | |
| 4961 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4962 nextToken(); | |
| 4963 break; | |
| 4964 | |
| 4965 case TOK.TOKimaginary32v: | |
| 4966 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 4967 nextToken(); | |
| 4968 break; | |
| 4969 | |
| 4970 case TOK.TOKimaginary64v: | |
| 4971 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 4972 nextToken(); | |
| 4973 break; | |
| 4974 | |
| 4975 case TOK.TOKimaginary80v: | |
| 4976 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 4977 nextToken(); | |
| 4978 break; | |
| 4979 | |
| 4980 case TOK.TOKnull: | |
| 4981 e = new NullExp(loc); | |
| 4982 nextToken(); | |
| 4983 break; | |
| 4984 | |
| 4985 version (DMDV2) { | |
| 4986 case TOK.TOKfile: | |
| 4987 { | |
| 4988 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 4989 e = new StringExp(loc, s, 0); | |
| 4990 nextToken(); | |
| 4991 break; | |
| 4992 } | |
| 4993 | |
| 4994 case TOK.TOKline: | |
| 4995 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 4996 nextToken(); | |
| 4997 break; | |
| 4998 } | |
| 4999 | |
| 5000 case TOK.TOKtrue: | |
| 5001 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5002 nextToken(); | |
| 5003 break; | |
| 5004 | |
| 5005 case TOK.TOKfalse: | |
| 5006 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5007 nextToken(); | |
| 5008 break; | |
| 5009 | |
| 5010 case TOK.TOKcharv: | |
| 5011 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5012 nextToken(); | |
| 5013 break; | |
| 5014 | |
| 5015 case TOK.TOKwcharv: | |
| 5016 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5017 nextToken(); | |
| 5018 break; | |
| 5019 | |
| 5020 case TOK.TOKdcharv: | |
| 5021 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5022 nextToken(); | |
| 5023 break; | |
| 5024 | |
| 5025 case TOK.TOKstring: | |
| 5026 { | |
| 5027 const(char)* s; | |
| 5028 uint len; | |
| 5029 ubyte postfix; | |
| 5030 | |
| 5031 // cat adjacent strings | |
| 5032 s = token.ustring; | |
| 5033 len = token.len; | |
| 5034 postfix = token.postfix; | |
| 5035 while (1) | |
| 5036 { | |
| 5037 nextToken(); | |
| 5038 if (token.value == TOK.TOKstring) | |
| 5039 { uint len1; | |
| 5040 uint len2; | |
| 5041 char* s2; | |
| 5042 | |
| 5043 if (token.postfix) | |
| 5044 { if (token.postfix != postfix) | |
| 5045 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5046 postfix = token.postfix; | |
| 5047 } | |
| 5048 | |
| 5049 len1 = len; | |
| 5050 len2 = token.len; | |
| 5051 len = len1 + len2; | |
| 2 | 5052 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5053 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5054 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5055 s = s2; | |
| 5056 } | |
| 5057 else | |
| 5058 break; | |
| 5059 } | |
| 5060 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5061 break; | |
| 5062 } | |
| 5063 | |
| 5064 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5065 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5066 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5067 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5068 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5069 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5070 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5071 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5072 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5073 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5074 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5075 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5076 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5077 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5078 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5079 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5080 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5081 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5082 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5083 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5084 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5085 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5086 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5087 LabelX: | |
| 5088 nextToken(); | |
| 5089 L1: | |
| 5090 check(TOK.TOKdot, t.toChars()); | |
| 5091 if (token.value != TOK.TOKidentifier) | |
| 5092 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5093 goto Lerr; | |
| 5094 } | |
| 5095 e = typeDotIdExp(loc, t, token.ident); | |
| 5096 nextToken(); | |
| 5097 break; | |
| 5098 | |
| 5099 case TOK.TOKtypeof: | |
| 5100 { | |
| 5101 t = parseTypeof(); | |
| 5102 e = new TypeExp(loc, t); | |
| 5103 break; | |
| 5104 } | |
| 5105 | |
| 5106 case TOK.TOKtypeid: | |
| 5107 { Type tt; | |
| 5108 | |
| 5109 nextToken(); | |
| 5110 check(TOK.TOKlparen, "typeid"); | |
| 5111 tt = parseType(); // ( type ) | |
| 5112 check(TOK.TOKrparen); | |
| 5113 e = new TypeidExp(loc, tt); | |
| 5114 break; | |
| 5115 } | |
| 5116 | |
| 5117 version (DMDV2) { | |
| 5118 case TOK.TOKtraits: | |
| 5119 { /* __traits(identifier, args...) | |
| 5120 */ | |
| 5121 Identifier ident; | |
| 5122 Objects args = null; | |
| 5123 | |
| 5124 nextToken(); | |
| 5125 check(TOK.TOKlparen); | |
| 5126 if (token.value != TOK.TOKidentifier) | |
| 5127 { error("__traits(identifier, args...) expected"); | |
| 5128 goto Lerr; | |
| 5129 } | |
| 5130 ident = token.ident; | |
| 5131 nextToken(); | |
| 5132 if (token.value == TOK.TOKcomma) | |
| 5133 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5134 else | |
| 5135 check(TOK.TOKrparen); // __traits(identifier) | |
| 5136 | |
| 5137 e = new TraitsExp(loc, ident, args); | |
| 5138 break; | |
| 5139 } | |
| 5140 } | |
| 5141 | |
| 5142 case TOK.TOKis: | |
| 5143 { Type targ; | |
| 5144 Identifier ident = null; | |
| 5145 Type tspec = null; | |
| 5146 TOK tok = TOK.TOKreserved; | |
| 5147 TOK tok2 = TOK.TOKreserved; | |
| 5148 TemplateParameters tpl = null; | |
| 5149 Loc loc2 = this.loc; | |
| 5150 | |
| 5151 nextToken(); | |
| 5152 if (token.value == TOK.TOKlparen) | |
| 5153 { | |
| 5154 nextToken(); | |
| 5155 targ = parseType(&ident); | |
| 5156 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5157 { | |
| 5158 tok = token.value; | |
| 5159 nextToken(); | |
| 5160 if (tok == TOK.TOKequal && | |
| 5161 (token.value == TOK.TOKtypedef || | |
| 5162 token.value == TOK.TOKstruct || | |
| 5163 token.value == TOK.TOKunion || | |
| 5164 token.value == TOK.TOKclass || | |
| 5165 token.value == TOK.TOKsuper || | |
| 5166 token.value == TOK.TOKenum || | |
| 5167 token.value == TOK.TOKinterface || | |
| 5168 ///version (DMDV2) { | |
| 5169 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5170 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5171 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5172 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5173 ///} | |
| 5174 token.value == TOK.TOKfunction || | |
| 5175 token.value == TOK.TOKdelegate || | |
| 5176 token.value == TOK.TOKreturn)) | |
| 5177 { | |
| 5178 tok2 = token.value; | |
| 5179 nextToken(); | |
| 5180 } | |
| 5181 else | |
| 5182 { | |
| 5183 tspec = parseType(); | |
| 5184 } | |
| 5185 } | |
| 5186 if (ident && tspec) | |
| 5187 { | |
| 5188 if (token.value == TOK.TOKcomma) | |
| 5189 tpl = parseTemplateParameterList(1); | |
| 5190 else | |
| 5191 { tpl = new TemplateParameters(); | |
| 5192 check(TOK.TOKrparen); | |
| 5193 } | |
| 5194 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
| 5195 tpl.insert(0, cast(void*)tp); | |
| 5196 } | |
| 5197 else | |
| 5198 check(TOK.TOKrparen); | |
| 5199 } | |
| 5200 else | |
| 5201 { error("(type identifier : specialization) expected following is"); | |
| 5202 goto Lerr; | |
| 5203 } | |
| 5204 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5205 break; | |
| 5206 } | |
| 5207 | |
| 5208 case TOK.TOKassert: | |
| 5209 { | |
| 5210 Expression msg = null; | |
| 5211 | |
| 5212 nextToken(); | |
| 5213 check(TOK.TOKlparen, "assert"); | |
| 5214 e = parseAssignExp(); | |
| 5215 if (token.value == TOK.TOKcomma) | |
| 5216 { nextToken(); | |
| 5217 msg = parseAssignExp(); | |
| 5218 } | |
| 5219 check(TOK.TOKrparen); | |
| 5220 e = new AssertExp(loc, e, msg); | |
| 5221 break; | |
| 5222 } | |
| 5223 | |
| 5224 case TOK.TOKmixin: | |
| 5225 { | |
| 5226 nextToken(); | |
| 5227 check(TOK.TOKlparen, "mixin"); | |
| 5228 e = parseAssignExp(); | |
| 5229 check(TOK.TOKrparen); | |
| 5230 e = new CompileExp(loc, e); | |
| 5231 break; | |
| 5232 } | |
| 5233 | |
| 5234 case TOK.TOKimport: | |
| 5235 { | |
| 5236 nextToken(); | |
| 5237 check(TOK.TOKlparen, "import"); | |
| 5238 e = parseAssignExp(); | |
| 5239 check(TOK.TOKrparen); | |
| 5240 e = new FileExp(loc, e); | |
| 5241 break; | |
| 5242 } | |
| 5243 | |
| 5244 case TOK.TOKlparen: | |
| 5245 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5246 { // (arguments) { statements... } | |
| 5247 save = TOK.TOKdelegate; | |
| 5248 goto case_delegate; | |
| 5249 } | |
| 5250 // ( expression ) | |
| 5251 nextToken(); | |
| 5252 e = parseExpression(); | |
| 5253 check(loc, TOK.TOKrparen); | |
| 5254 break; | |
| 5255 | |
| 5256 case TOK.TOKlbracket: | |
| 5257 { /* Parse array literals and associative array literals: | |
| 5258 * [ value, value, value ... ] | |
| 5259 * [ key:value, key:value, key:value ... ] | |
| 5260 */ | |
| 5261 Expressions values = new Expressions(); | |
| 5262 Expressions keys = null; | |
| 5263 | |
| 5264 nextToken(); | |
| 5265 if (token.value != TOK.TOKrbracket) | |
| 5266 { | |
| 5267 while (token.value != TOK.TOKeof) | |
| 5268 { | |
| 5269 Expression e2 = parseAssignExp(); | |
| 5270 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5271 { | |
| 5272 nextToken(); | |
| 5273 if (!keys) | |
| 5274 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5275 keys.push(e2); |
| 0 | 5276 e2 = parseAssignExp(); |
| 5277 } | |
| 5278 else if (keys) | |
| 5279 { | |
| 5280 error("'key:value' expected for associative array literal"); | |
| 5281 delete keys; | |
| 5282 keys = null; | |
| 5283 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5284 values.push(e2); |
| 0 | 5285 if (token.value == TOK.TOKrbracket) |
| 5286 break; | |
| 5287 check(TOK.TOKcomma); | |
| 5288 } | |
| 5289 } | |
| 5290 check(TOK.TOKrbracket); | |
| 5291 | |
| 5292 if (keys) | |
| 5293 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5294 else | |
| 5295 e = new ArrayLiteralExp(loc, values); | |
| 5296 break; | |
| 5297 } | |
| 5298 | |
| 5299 case TOK.TOKlcurly: | |
| 5300 // { statements... } | |
| 5301 save = TOK.TOKdelegate; | |
| 5302 goto case_delegate; | |
| 5303 | |
| 5304 case TOK.TOKfunction: | |
| 5305 case TOK.TOKdelegate: | |
| 5306 save = token.value; | |
| 5307 nextToken(); | |
| 5308 case_delegate: | |
| 5309 { | |
| 5310 /* function type(parameters) { body } pure nothrow | |
| 5311 * delegate type(parameters) { body } pure nothrow | |
| 5312 * (parameters) { body } | |
| 5313 * { body } | |
| 5314 */ | |
| 5315 Arguments arguments; | |
| 5316 int varargs; | |
| 5317 FuncLiteralDeclaration fd; | |
| 5318 Type tt; | |
| 5319 bool isnothrow = false; | |
| 5320 bool ispure = false; | |
| 5321 | |
| 5322 if (token.value == TOK.TOKlcurly) | |
| 5323 { | |
| 5324 tt = null; | |
| 5325 varargs = 0; | |
| 5326 arguments = new Arguments(); | |
| 5327 } | |
| 5328 else | |
| 5329 { | |
| 5330 if (token.value == TOK.TOKlparen) | |
| 5331 tt = null; | |
| 5332 else | |
| 5333 { | |
| 5334 tt = parseBasicType(); | |
| 5335 tt = parseBasicType2(tt); // function return type | |
| 5336 } | |
| 5337 arguments = parseParameters(&varargs); | |
| 5338 while (1) | |
| 5339 { | |
| 5340 if (token.value == TOK.TOKpure) | |
| 5341 ispure = true; | |
| 5342 else if (token.value == TOK.TOKnothrow) | |
| 5343 isnothrow = true; | |
| 5344 else | |
| 5345 break; | |
| 5346 nextToken(); | |
| 5347 } | |
| 5348 } | |
| 5349 | |
| 5350 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5351 tf.ispure = ispure; | |
| 5352 tf.isnothrow = isnothrow; | |
| 5353 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5354 parseContracts(fd); | |
| 5355 e = new FuncExp(loc, fd); | |
| 5356 break; | |
| 5357 } | |
| 5358 | |
| 5359 default: | |
| 5360 error("expression expected, not '%s'", token.toChars()); | |
| 5361 Lerr: | |
| 5362 // Anything for e, as long as it's not null | |
| 5363 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5364 nextToken(); | |
| 5365 break; | |
| 5366 } | |
| 5367 return e; | |
| 5368 } | |
| 5369 | |
| 5370 Expression parseUnaryExp() | |
| 5371 { | |
| 5372 Expression e; | |
| 5373 Loc loc = this.loc; | |
| 5374 | |
| 5375 switch (token.value) | |
| 5376 { | |
| 5377 case TOK.TOKand: | |
| 5378 nextToken(); | |
| 5379 e = parseUnaryExp(); | |
| 5380 e = new AddrExp(loc, e); | |
| 5381 break; | |
| 5382 | |
| 5383 case TOK.TOKplusplus: | |
| 5384 nextToken(); | |
| 5385 e = parseUnaryExp(); | |
| 5386 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5387 break; | |
| 5388 | |
| 5389 case TOK.TOKminusminus: | |
| 5390 nextToken(); | |
| 5391 e = parseUnaryExp(); | |
| 5392 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5393 break; | |
| 5394 | |
| 5395 case TOK.TOKmul: | |
| 5396 nextToken(); | |
| 5397 e = parseUnaryExp(); | |
| 5398 e = new PtrExp(loc, e); | |
| 5399 break; | |
| 5400 | |
| 5401 case TOK.TOKmin: | |
| 5402 nextToken(); | |
| 5403 e = parseUnaryExp(); | |
| 5404 e = new NegExp(loc, e); | |
| 5405 break; | |
| 5406 | |
| 5407 case TOK.TOKadd: | |
| 5408 nextToken(); | |
| 5409 e = parseUnaryExp(); | |
| 5410 e = new UAddExp(loc, e); | |
| 5411 break; | |
| 5412 | |
| 5413 case TOK.TOKnot: | |
| 5414 nextToken(); | |
| 5415 e = parseUnaryExp(); | |
| 5416 e = new NotExp(loc, e); | |
| 5417 break; | |
| 5418 | |
| 5419 case TOK.TOKtilde: | |
| 5420 nextToken(); | |
| 5421 e = parseUnaryExp(); | |
| 5422 e = new ComExp(loc, e); | |
| 5423 break; | |
| 5424 | |
| 5425 case TOK.TOKdelete: | |
| 5426 nextToken(); | |
| 5427 e = parseUnaryExp(); | |
| 5428 e = new DeleteExp(loc, e); | |
| 5429 break; | |
| 5430 | |
| 5431 case TOK.TOKnew: | |
| 5432 e = parseNewExp(null); | |
| 5433 break; | |
| 5434 | |
| 5435 case TOK.TOKcast: // cast(type) expression | |
| 5436 { | |
| 5437 nextToken(); | |
| 5438 check(TOK.TOKlparen); | |
| 5439 /* Look for cast(), cast(const), cast(immutable), | |
| 5440 * cast(shared), cast(shared const) | |
| 5441 */ | |
| 5442 MOD m; | |
| 5443 if (token.value == TOK.TOKrparen) | |
| 5444 { | |
| 5445 m = MOD.MODundefined; | |
| 5446 goto Lmod1; | |
| 5447 } | |
| 5448 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5449 { | |
| 5450 m = MOD.MODconst; | |
| 5451 goto Lmod2; | |
| 5452 } | |
| 5453 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5454 { | |
| 5455 m = MOD.MODinvariant; | |
| 5456 goto Lmod2; | |
| 5457 } | |
| 5458 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5459 { | |
| 5460 m = MOD.MODshared; | |
| 5461 goto Lmod2; | |
| 5462 } | |
| 5463 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5464 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5465 { | |
| 5466 m = MOD.MODshared | MOD.MODconst; | |
| 5467 nextToken(); | |
| 5468 Lmod2: | |
| 5469 nextToken(); | |
| 5470 Lmod1: | |
| 5471 nextToken(); | |
| 5472 e = parseUnaryExp(); | |
| 5473 e = new CastExp(loc, e, m); | |
| 5474 } | |
| 5475 else | |
| 5476 { | |
| 5477 Type t = parseType(); // ( type ) | |
| 5478 check(TOK.TOKrparen); | |
| 5479 e = parseUnaryExp(); | |
| 5480 e = new CastExp(loc, e, t); | |
| 5481 } | |
| 5482 break; | |
| 5483 } | |
| 5484 | |
| 5485 case TOK.TOKlparen: | |
| 5486 { Token *tk; | |
| 5487 | |
| 5488 tk = peek(&token); | |
| 5489 version (CCASTSYNTAX) { | |
| 5490 // If cast | |
| 5491 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5492 { | |
| 5493 tk = peek(tk); // skip over right parenthesis | |
| 5494 switch (tk.value) | |
| 5495 { | |
| 5496 case TOK.TOKnot: | |
| 5497 tk = peek(tk); | |
| 5498 if (tk.value == TOK.TOKis) // !is | |
| 5499 break; | |
| 5500 case TOK.TOKdot: | |
| 5501 case TOK.TOKplusplus: | |
| 5502 case TOK.TOKminusminus: | |
| 5503 case TOK.TOKdelete: | |
| 5504 case TOK.TOKnew: | |
| 5505 case TOK.TOKlparen: | |
| 5506 case TOK.TOKidentifier: | |
| 5507 case TOK.TOKthis: | |
| 5508 case TOK.TOKsuper: | |
| 5509 case TOK.TOKint32v: | |
| 5510 case TOK.TOKuns32v: | |
| 5511 case TOK.TOKint64v: | |
| 5512 case TOK.TOKuns64v: | |
| 5513 case TOK.TOKfloat32v: | |
| 5514 case TOK.TOKfloat64v: | |
| 5515 case TOK.TOKfloat80v: | |
| 5516 case TOK.TOKimaginary32v: | |
| 5517 case TOK.TOKimaginary64v: | |
| 5518 case TOK.TOKimaginary80v: | |
| 5519 case TOK.TOKnull: | |
| 5520 case TOK.TOKtrue: | |
| 5521 case TOK.TOKfalse: | |
| 5522 case TOK.TOKcharv: | |
| 5523 case TOK.TOKwcharv: | |
| 5524 case TOK.TOKdcharv: | |
| 5525 case TOK.TOKstring: | |
| 5526 static if (false) { | |
| 5527 case TOK.TOKtilde: | |
| 5528 case TOK.TOKand: | |
| 5529 case TOK.TOKmul: | |
| 5530 case TOK.TOKmin: | |
| 5531 case TOK.TOKadd: | |
| 5532 } | |
| 5533 case TOK.TOKfunction: | |
| 5534 case TOK.TOKdelegate: | |
| 5535 case TOK.TOKtypeof: | |
| 5536 version (DMDV2) { | |
| 5537 case TOK.TOKfile: | |
| 5538 case TOK.TOKline: | |
| 5539 } | |
| 5540 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5541 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5542 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5543 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5544 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5545 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5546 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5547 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5548 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5549 case TOK.TOKvoid: // (type)int.size | |
| 5550 { | |
| 5551 // (type) una_exp | |
| 5552 nextToken(); | |
| 5553 Type t = parseType(); | |
| 5554 check(TOK.TOKrparen); | |
| 5555 | |
| 5556 // if .identifier | |
| 5557 if (token.value == TOK.TOKdot) | |
| 5558 { | |
| 5559 nextToken(); | |
| 5560 if (token.value != TOK.TOKidentifier) | |
| 5561 { | |
| 5562 error("Identifier expected following (type)."); | |
| 5563 return null; | |
| 5564 } | |
| 5565 e = typeDotIdExp(loc, t, token.ident); | |
| 5566 nextToken(); | |
| 5567 e = parsePostExp(e); | |
| 5568 } | |
| 5569 else | |
| 5570 { | |
| 5571 e = parseUnaryExp(); | |
| 5572 e = new CastExp(loc, e, t); | |
| 5573 error("C style cast illegal, use %s", e.toChars()); | |
| 5574 } | |
| 5575 return e; | |
| 5576 } | |
| 5577 | |
| 5578 default: | |
| 5579 break; /// | |
| 5580 } | |
| 5581 } | |
| 5582 } | |
| 5583 e = parsePrimaryExp(); | |
| 5584 e = parsePostExp(e); | |
| 5585 break; | |
| 5586 } | |
| 5587 default: | |
| 5588 e = parsePrimaryExp(); | |
| 5589 e = parsePostExp(e); | |
| 5590 break; | |
| 5591 } | |
| 5592 assert(e); | |
| 5593 return e; | |
| 5594 } | |
| 5595 | |
| 5596 Expression parsePostExp(Expression e) | |
| 5597 { | |
| 5598 Loc loc; | |
| 5599 | |
| 5600 while (1) | |
| 5601 { | |
| 5602 loc = this.loc; | |
| 5603 switch (token.value) | |
| 5604 { | |
| 5605 case TOK.TOKdot: | |
| 5606 nextToken(); | |
| 5607 if (token.value == TOK.TOKidentifier) | |
| 5608 { Identifier id = token.ident; | |
| 5609 | |
| 5610 nextToken(); | |
| 5611 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5612 { // identifier!(template-argument-list) | |
| 5613 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5614 nextToken(); | |
| 5615 if (token.value == TOK.TOKlparen) | |
| 5616 // ident!(template_arguments) | |
| 5617 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5618 else | |
| 5619 // ident!template_argument | |
| 5620 tempinst.tiargs = parseTemplateArgument(); | |
| 5621 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5622 } | |
| 5623 else | |
| 5624 e = new DotIdExp(loc, e, id); | |
| 5625 continue; | |
| 5626 } | |
| 5627 else if (token.value == TOK.TOKnew) | |
| 5628 { | |
| 5629 e = parseNewExp(e); | |
| 5630 continue; | |
| 5631 } | |
| 5632 else | |
| 5633 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5634 break; | |
| 5635 | |
| 5636 case TOK.TOKplusplus: | |
| 5637 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5638 break; | |
| 5639 | |
| 5640 case TOK.TOKminusminus: | |
| 5641 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5642 break; | |
| 5643 | |
| 5644 case TOK.TOKlparen: | |
| 5645 e = new CallExp(loc, e, parseArguments()); | |
| 5646 continue; | |
| 5647 | |
| 5648 case TOK.TOKlbracket: | |
| 5649 { // array dereferences: | |
| 5650 // array[index] | |
| 5651 // array[] | |
| 5652 // array[lwr .. upr] | |
| 5653 Expression index; | |
| 5654 Expression upr; | |
| 5655 | |
| 5656 inBrackets++; | |
| 5657 nextToken(); | |
| 5658 if (token.value == TOK.TOKrbracket) | |
| 5659 { // array[] | |
| 5660 e = new SliceExp(loc, e, null, null); | |
| 5661 nextToken(); | |
| 5662 } | |
| 5663 else | |
| 5664 { | |
| 5665 index = parseAssignExp(); | |
| 5666 if (token.value == TOK.TOKslice) | |
| 5667 { // array[lwr .. upr] | |
| 5668 nextToken(); | |
| 5669 upr = parseAssignExp(); | |
| 5670 e = new SliceExp(loc, e, index, upr); | |
| 5671 } | |
| 5672 else | |
| 5673 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5674 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5675 arguments.push(index); |
| 0 | 5676 if (token.value == TOK.TOKcomma) |
| 5677 { | |
| 5678 nextToken(); | |
| 5679 while (1) | |
| 5680 { Expression arg; | |
| 5681 | |
| 5682 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5683 arguments.push(arg); |
| 0 | 5684 if (token.value == TOK.TOKrbracket) |
| 5685 break; | |
| 5686 check(TOK.TOKcomma); | |
| 5687 } | |
| 5688 } | |
| 5689 e = new ArrayExp(loc, e, arguments); | |
| 5690 } | |
| 5691 check(TOK.TOKrbracket); | |
| 5692 inBrackets--; | |
| 5693 } | |
| 5694 continue; | |
| 5695 } | |
| 5696 | |
| 5697 default: | |
| 5698 return e; | |
| 5699 } | |
| 5700 nextToken(); | |
| 5701 } | |
| 5702 | |
| 5703 assert(false); | |
| 5704 } | |
| 5705 | |
| 5706 Expression parseMulExp() | |
| 5707 { | |
| 5708 Expression e; | |
| 5709 Expression e2; | |
| 5710 Loc loc = this.loc; | |
| 5711 | |
| 5712 e = parseUnaryExp(); | |
| 5713 while (1) | |
| 5714 { | |
| 5715 switch (token.value) | |
| 5716 { | |
| 5717 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5718 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5719 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5720 | |
| 5721 default: | |
| 5722 break; | |
| 5723 } | |
| 5724 break; | |
| 5725 } | |
| 5726 return e; | |
| 5727 } | |
| 5728 | |
| 5729 Expression parseShiftExp() | |
| 5730 { | |
| 5731 Expression e; | |
| 5732 Expression e2; | |
| 5733 Loc loc = this.loc; | |
| 5734 | |
| 5735 e = parseAddExp(); | |
| 5736 while (1) | |
| 5737 { | |
| 5738 switch (token.value) | |
| 5739 { | |
| 5740 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5741 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5742 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5743 | |
| 5744 default: | |
| 5745 break; | |
| 5746 } | |
| 5747 break; | |
| 5748 } | |
| 5749 return e; | |
| 5750 } | |
| 5751 | |
| 5752 Expression parseAddExp() | |
| 5753 { | |
| 5754 Expression e; | |
| 5755 Expression e2; | |
| 5756 Loc loc = this.loc; | |
| 5757 | |
| 5758 e = parseMulExp(); | |
| 5759 while (1) | |
| 5760 { | |
| 5761 switch (token.value) | |
| 5762 { | |
| 5763 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5764 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5765 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5766 | |
| 5767 default: | |
| 5768 break; | |
| 5769 } | |
| 5770 break; | |
| 5771 } | |
| 5772 return e; | |
| 5773 } | |
| 5774 | |
| 5775 Expression parseRelExp() | |
| 5776 { | |
| 5777 assert(false); | |
| 5778 } | |
| 5779 | |
| 5780 Expression parseEqualExp() | |
| 5781 { | |
| 5782 assert(false); | |
| 5783 } | |
| 5784 | |
| 5785 Expression parseCmpExp() | |
| 5786 { | |
| 5787 Expression e; | |
| 5788 Expression e2; | |
| 5789 Token* t; | |
| 5790 Loc loc = this.loc; | |
| 5791 | |
| 5792 e = parseShiftExp(); | |
| 5793 TOK op = token.value; | |
| 5794 | |
| 5795 switch (op) | |
| 5796 { | |
| 5797 case TOK.TOKequal: | |
| 5798 case TOK.TOKnotequal: | |
| 5799 nextToken(); | |
| 5800 e2 = parseShiftExp(); | |
| 5801 e = new EqualExp(op, loc, e, e2); | |
| 5802 break; | |
| 5803 | |
| 5804 case TOK.TOKis: | |
| 5805 op = TOK.TOKidentity; | |
| 5806 goto L1; | |
| 5807 | |
| 5808 case TOK.TOKnot: | |
| 5809 // Attempt to identify '!is' | |
| 5810 t = peek(&token); | |
| 5811 if (t.value != TOK.TOKis) | |
| 5812 break; | |
| 5813 nextToken(); | |
| 5814 op = TOK.TOKnotidentity; | |
| 5815 goto L1; | |
| 5816 | |
| 5817 L1: | |
| 5818 nextToken(); | |
| 5819 e2 = parseShiftExp(); | |
| 5820 e = new IdentityExp(op, loc, e, e2); | |
| 5821 break; | |
| 5822 | |
| 5823 case TOK.TOKlt: | |
| 5824 case TOK.TOKle: | |
| 5825 case TOK.TOKgt: | |
| 5826 case TOK.TOKge: | |
| 5827 case TOK.TOKunord: | |
| 5828 case TOK.TOKlg: | |
| 5829 case TOK.TOKleg: | |
| 5830 case TOK.TOKule: | |
| 5831 case TOK.TOKul: | |
| 5832 case TOK.TOKuge: | |
| 5833 case TOK.TOKug: | |
| 5834 case TOK.TOKue: | |
| 5835 nextToken(); | |
| 5836 e2 = parseShiftExp(); | |
| 5837 e = new CmpExp(op, loc, e, e2); | |
| 5838 break; | |
| 5839 | |
| 5840 case TOK.TOKin: | |
| 5841 nextToken(); | |
| 5842 e2 = parseShiftExp(); | |
| 5843 e = new InExp(loc, e, e2); | |
| 5844 break; | |
| 5845 | |
| 5846 default: | |
| 5847 break; | |
| 5848 } | |
| 5849 return e; | |
| 5850 } | |
| 5851 | |
| 5852 Expression parseAndExp() | |
| 5853 { | |
| 5854 Expression e; | |
| 5855 Expression e2; | |
| 5856 Loc loc = this.loc; | |
| 5857 | |
| 5858 if (global.params.Dversion == 1) | |
| 5859 { | |
| 5860 e = parseEqualExp(); | |
| 5861 while (token.value == TOK.TOKand) | |
| 5862 { | |
| 5863 nextToken(); | |
| 5864 e2 = parseEqualExp(); | |
| 5865 e = new AndExp(loc,e,e2); | |
| 5866 loc = this.loc; | |
| 5867 } | |
| 5868 } | |
| 5869 else | |
| 5870 { | |
| 5871 e = parseCmpExp(); | |
| 5872 while (token.value == TOK.TOKand) | |
| 5873 { | |
| 5874 nextToken(); | |
| 5875 e2 = parseCmpExp(); | |
| 5876 e = new AndExp(loc,e,e2); | |
| 5877 loc = this.loc; | |
| 5878 } | |
| 5879 } | |
| 5880 return e; | |
| 5881 } | |
| 5882 | |
| 5883 Expression parseXorExp() | |
| 5884 { | |
| 5885 Expression e; | |
| 5886 Expression e2; | |
| 5887 Loc loc = this.loc; | |
| 5888 | |
| 5889 e = parseAndExp(); | |
| 5890 while (token.value == TOK.TOKxor) | |
| 5891 { | |
| 5892 nextToken(); | |
| 5893 e2 = parseAndExp(); | |
| 5894 e = new XorExp(loc, e, e2); | |
| 5895 } | |
| 5896 | |
| 5897 return e; | |
| 5898 } | |
| 5899 | |
| 5900 Expression parseOrExp() | |
| 5901 { | |
| 5902 Expression e; | |
| 5903 Expression e2; | |
| 5904 Loc loc = this.loc; | |
| 5905 | |
| 5906 e = parseXorExp(); | |
| 5907 while (token.value == TOK.TOKor) | |
| 5908 { | |
| 5909 nextToken(); | |
| 5910 e2 = parseXorExp(); | |
| 5911 e = new OrExp(loc, e, e2); | |
| 5912 } | |
| 5913 return e; | |
| 5914 } | |
| 5915 | |
| 5916 Expression parseAndAndExp() | |
| 5917 { | |
| 5918 Expression e; | |
| 5919 Expression e2; | |
| 5920 Loc loc = this.loc; | |
| 5921 | |
| 5922 e = parseOrExp(); | |
| 5923 while (token.value == TOK.TOKandand) | |
| 5924 { | |
| 5925 nextToken(); | |
| 5926 e2 = parseOrExp(); | |
| 5927 e = new AndAndExp(loc, e, e2); | |
| 5928 } | |
| 5929 return e; | |
| 5930 } | |
| 5931 | |
| 5932 Expression parseOrOrExp() | |
| 5933 { | |
| 5934 Expression e; | |
| 5935 Expression e2; | |
| 5936 Loc loc = this.loc; | |
| 5937 | |
| 5938 e = parseAndAndExp(); | |
| 5939 while (token.value == TOK.TOKoror) | |
| 5940 { | |
| 5941 nextToken(); | |
| 5942 e2 = parseAndAndExp(); | |
| 5943 e = new OrOrExp(loc, e, e2); | |
| 5944 } | |
| 5945 | |
| 5946 return e; | |
| 5947 } | |
| 5948 | |
| 5949 Expression parseCondExp() | |
| 5950 { | |
| 5951 Expression e; | |
| 5952 Expression e1; | |
| 5953 Expression e2; | |
| 5954 Loc loc = this.loc; | |
| 5955 | |
| 5956 e = parseOrOrExp(); | |
| 5957 if (token.value == TOK.TOKquestion) | |
| 5958 { | |
| 5959 nextToken(); | |
| 5960 e1 = parseExpression(); | |
| 5961 check(TOK.TOKcolon); | |
| 5962 e2 = parseCondExp(); | |
| 5963 e = new CondExp(loc, e, e1, e2); | |
| 5964 } | |
| 5965 return e; | |
| 5966 } | |
| 5967 | |
| 5968 Expression parseAssignExp() | |
| 5969 { | |
| 5970 Expression e; | |
| 5971 Expression e2; | |
| 5972 Loc loc; | |
| 5973 | |
| 5974 e = parseCondExp(); | |
| 5975 while (1) | |
| 5976 { | |
| 5977 loc = this.loc; | |
| 5978 switch (token.value) | |
| 5979 { | |
| 5980 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 5981 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 5982 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 5983 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 5984 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 5985 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 5986 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 5987 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 5988 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 5989 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 5990 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 5991 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 5992 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 5993 | |
| 5994 default: | |
| 5995 break; | |
| 5996 } | |
| 5997 break; | |
| 5998 } | |
| 5999 | |
| 6000 return e; | |
| 6001 } | |
| 6002 | |
| 6003 /************************* | |
| 6004 * Collect argument list. | |
| 6005 * Assume current token is ',', '(' or '['. | |
| 6006 */ | |
| 6007 Expressions parseArguments() | |
| 6008 { | |
| 6009 // function call | |
| 6010 Expressions arguments = new Expressions(); | |
| 6011 Expression arg; | |
| 6012 TOK endtok; | |
| 6013 | |
| 6014 if (token.value == TOK.TOKlbracket) | |
| 6015 endtok = TOK.TOKrbracket; | |
| 6016 else | |
| 6017 endtok = TOK.TOKrparen; | |
| 6018 | |
| 6019 { | |
| 6020 nextToken(); | |
| 6021 if (token.value != endtok) | |
| 6022 { | |
| 6023 while (1) | |
| 6024 { | |
| 6025 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6026 arguments.push(arg); |
| 0 | 6027 if (token.value == endtok) |
| 6028 break; | |
| 6029 check(TOK.TOKcomma); | |
| 6030 } | |
| 6031 } | |
| 6032 check(endtok); | |
| 6033 } | |
| 6034 return arguments; | |
| 6035 } | |
| 6036 | |
| 6037 Expression parseNewExp(Expression thisexp) | |
| 6038 { | |
| 6039 Type t; | |
| 6040 Expressions newargs; | |
| 6041 Expressions arguments = null; | |
| 6042 Expression e; | |
| 6043 Loc loc = this.loc; | |
| 6044 | |
| 6045 nextToken(); | |
| 6046 newargs = null; | |
| 6047 if (token.value == TOKlparen) | |
| 6048 { | |
| 6049 newargs = parseArguments(); | |
| 6050 } | |
| 6051 | |
| 6052 // An anonymous nested class starts with "class" | |
| 6053 if (token.value == TOKclass) | |
| 6054 { | |
| 6055 nextToken(); | |
| 6056 if (token.value == TOKlparen) | |
| 6057 arguments = parseArguments(); | |
| 6058 | |
| 6059 BaseClasses baseclasses = null; | |
| 6060 if (token.value != TOKlcurly) | |
| 6061 baseclasses = parseBaseClasses(); | |
| 6062 | |
| 6063 Identifier id = null; | |
| 6064 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6065 | |
| 6066 if (token.value != TOKlcurly) | |
| 6067 { | |
| 6068 error("{ members } expected for anonymous class"); | |
| 6069 cd.members = null; | |
| 6070 } | |
| 6071 else | |
| 6072 { | |
| 6073 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6074 auto decl = parseDeclDefs(0); |
| 0 | 6075 if (token.value != TOKrcurly) |
| 6076 error("class member expected"); | |
| 6077 nextToken(); | |
| 6078 cd.members = decl; | |
| 6079 } | |
| 6080 | |
| 6081 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6082 | |
| 6083 return e; | |
| 6084 } | |
| 6085 | |
| 6086 t = parseBasicType(); | |
| 6087 t = parseBasicType2(t); | |
| 6088 if (t.ty == Taarray) | |
| 6089 { | |
| 6090 TypeAArray taa = cast(TypeAArray)t; | |
| 6091 Type index = taa.index; | |
| 6092 | |
| 6093 Expression e2 = index.toExpression(); | |
| 6094 if (e2) | |
| 6095 { | |
| 6096 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6097 arguments.push(e2); |
| 0 | 6098 t = new TypeDArray(taa.next); |
| 6099 } | |
| 6100 else | |
| 6101 { | |
| 6102 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6103 return new NullExp(loc); | |
| 6104 } | |
| 6105 } | |
| 6106 else if (t.ty == Tsarray) | |
| 6107 { | |
| 6108 TypeSArray tsa = cast(TypeSArray)t; | |
| 6109 Expression ee = tsa.dim; | |
| 6110 | |
| 6111 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6112 arguments.push(ee); |
| 0 | 6113 t = new TypeDArray(tsa.next); |
| 6114 } | |
| 6115 else if (token.value == TOKlparen) | |
| 6116 { | |
| 6117 arguments = parseArguments(); | |
| 6118 } | |
| 6119 | |
| 6120 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6121 return e; | |
| 6122 } | |
| 6123 | |
| 79 | 6124 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6125 { |
| 6126 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6127 token.lineComment = null; | |
| 6128 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6129 } |