Mercurial > projects > ddmd
annotate dmd/Parser.d @ 123:9e39c7de8438
Make dmd test suite compile
| author | korDen |
|---|---|
| date | Fri, 03 Sep 2010 20:46:58 +0400 |
| parents | c77e9f4f1793 |
| children | 767a01c2a272 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Parser; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Lexer; |
| 5 import dmd.PostBlitDeclaration; | |
| 6 import dmd.FileInitExp; | |
| 7 import dmd.LineInitExp; | |
| 8 import dmd.EnumMember; | |
| 9 import dmd.CtorDeclaration; | |
| 10 import dmd.ShlAssignExp; | |
| 11 import dmd.ShrAssignExp; | |
| 12 import dmd.UshrAssignExp; | |
| 13 import dmd.CatAssignExp; | |
| 14 import dmd.StaticIfCondition; | |
| 15 import dmd.TraitsExp; | |
| 13 | 16 import dmd.TemplateMixin; |
| 0 | 17 import dmd.BaseClass; |
| 18 import dmd.AssignExp; | |
| 19 import dmd.TemplateInstance; | |
| 20 import dmd.NewExp; | |
| 21 import dmd.ArrayExp; | |
| 22 import dmd.DotTemplateInstanceExp; | |
| 23 import dmd.ClassDeclaration; | |
| 24 import dmd.NewAnonClassExp; | |
| 25 import dmd.InterfaceDeclaration; | |
| 26 import dmd.StructDeclaration; | |
| 27 import dmd.UnionDeclaration; | |
| 28 import dmd.AnonDeclaration; | |
| 29 import dmd.StructInitializer; | |
| 30 import dmd.ArrayInitializer; | |
| 31 import dmd.ExpInitializer; | |
| 32 import dmd.TemplateAliasParameter; | |
| 33 import dmd.TemplateTupleParameter; | |
| 34 import dmd.TemplateThisParameter; | |
| 35 import dmd.TemplateValueParameter; | |
| 36 import dmd.VoidInitializer; | |
| 37 import dmd.VersionCondition; | |
| 38 import dmd.DotIdExp; | |
| 39 import dmd.DebugCondition; | |
| 40 import dmd.PostExp; | |
| 41 import dmd.CallExp; | |
| 42 import dmd.SliceExp; | |
| 43 import dmd.FuncExp; | |
| 44 import dmd.AssocArrayLiteralExp; | |
| 45 import dmd.ArrayLiteralExp; | |
| 46 import dmd.IsExp; | |
| 47 import dmd.FuncLiteralDeclaration; | |
| 48 import dmd.AssertExp; | |
| 49 import dmd.CompileExp; | |
| 50 import dmd.FileExp; | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
51 import dmd.TemplateMixin; |
| 0 | 52 import dmd.TemplateParameter; |
| 53 import dmd.TemplateTypeParameter; | |
| 54 import dmd.TypeidExp; | |
| 55 import dmd.StringExp; | |
| 56 import dmd.ScopeExp; | |
| 57 import dmd.IdentifierExp; | |
| 58 import dmd.DollarExp; | |
| 59 import dmd.ThisExp; | |
| 60 import dmd.SuperExp; | |
| 61 import dmd.NullExp; | |
| 62 import dmd.RealExp; | |
| 63 import dmd.TypeExp; | |
| 64 import dmd.AddrExp; | |
| 65 import dmd.MOD; | |
| 66 import dmd.IntegerExp; | |
| 67 import dmd.CastExp; | |
| 68 import dmd.PtrExp; | |
| 69 import dmd.NegExp; | |
| 70 import dmd.XorAssignExp; | |
| 71 import dmd.OrAssignExp; | |
| 72 import dmd.UAddExp; | |
| 73 import dmd.NotExp; | |
| 74 import dmd.ComExp; | |
| 75 import dmd.DeleteExp; | |
| 76 import dmd.MulAssignExp; | |
| 77 import dmd.ModAssignExp; | |
| 78 import dmd.MinAssignExp; | |
| 79 import dmd.DivAssignExp; | |
| 80 import dmd.AndAssignExp; | |
| 81 import dmd.AddAssignExp; | |
| 82 import dmd.ModuleDeclaration; | |
| 83 import dmd.CaseRangeStatement; | |
| 84 import dmd.CommaExp; | |
| 85 import dmd.XorExp; | |
| 86 import dmd.CondExp; | |
| 87 import dmd.CmpExp; | |
| 88 import dmd.InExp; | |
| 89 import dmd.OrOrExp; | |
| 90 import dmd.OrExp; | |
| 91 import dmd.AddExp; | |
| 92 import dmd.MinExp; | |
| 93 import dmd.CatExp; | |
| 94 import dmd.AndAndExp; | |
| 95 import dmd.EqualExp; | |
| 96 import dmd.ShlExp; | |
| 97 import dmd.ShrExp; | |
| 98 import dmd.DivExp; | |
| 99 import dmd.MulExp; | |
| 100 import dmd.ModExp; | |
| 101 import dmd.UshrExp; | |
| 102 import dmd.IdentityExp; | |
| 103 import dmd.AndExp; | |
| 104 import dmd.Id; | |
| 105 import dmd.LabelStatement; | |
| 106 import dmd.ExpStatement; | |
| 107 import dmd.StaticAssertStatement; | |
| 108 import dmd.DeclarationStatement; | |
| 109 import dmd.ScopeStatement; | |
| 110 import dmd.PragmaStatement; | |
| 111 import dmd.WhileStatement; | |
| 112 import dmd.DoStatement; | |
| 113 import dmd.ForStatement; | |
| 114 import dmd.OnScopeStatement; | |
| 115 import dmd.IfStatement; | |
| 116 import dmd.SwitchStatement; | |
| 117 import dmd.CaseStatement; | |
| 118 import dmd.DefaultStatement; | |
| 119 import dmd.GotoDefaultStatement; | |
| 120 import dmd.GotoCaseStatement; | |
| 121 import dmd.GotoStatement; | |
| 122 import dmd.SynchronizedStatement; | |
| 123 import dmd.WithStatement; | |
| 124 import dmd.Catch; | |
| 125 import dmd.TryCatchStatement; | |
| 126 import dmd.TryFinallyStatement; | |
| 127 import dmd.ThrowStatement; | |
| 128 import dmd.VolatileStatement; | |
| 129 import dmd.ReturnStatement; | |
| 130 import dmd.BreakStatement; | |
| 131 import dmd.ContinueStatement; | |
| 132 import dmd.AsmStatement; | |
| 133 import dmd.TypeReturn; | |
| 134 import dmd.TypeTypeof; | |
| 135 import dmd.ForeachRangeStatement; | |
| 136 import dmd.ForeachStatement; | |
| 137 import dmd.CompileStatement; | |
| 138 import dmd.CompoundStatement; | |
| 139 import dmd.ConditionalStatement; | |
| 140 import dmd.CompoundDeclarationStatement; | |
| 141 import dmd.Argument; | |
| 142 import dmd.ParseStatementFlags; | |
| 79 | 143 import dmd.TypeNewArray; |
| 0 | 144 import dmd.TypeNext; |
| 145 import dmd.TypeInstance; | |
| 146 import dmd.TypePointer; | |
| 147 import dmd.TypeDArray; | |
| 148 import dmd.TypeAArray; | |
| 149 import dmd.TypeSlice; | |
| 150 import dmd.TypeSArray; | |
| 151 import dmd.TemplateInstance; | |
| 152 import dmd.TypeIdentifier; | |
| 153 import dmd.VarDeclaration; | |
| 154 import dmd.TypeFunction; | |
| 155 import dmd.TypeDelegate; | |
| 156 import dmd.TY; | |
| 157 import dmd.LinkDeclaration; | |
| 158 import dmd.Declaration; | |
| 159 import dmd.AggregateDeclaration; | |
| 160 import dmd.TypedefDeclaration; | |
| 161 import dmd.AliasDeclaration; | |
| 162 import dmd.LINK; | |
| 163 import dmd.Loc; | |
| 164 import dmd.Module; | |
| 165 import dmd.Array; | |
| 166 import dmd.Expression; | |
| 167 import dmd.TemplateDeclaration; | |
| 168 import dmd.ArrayTypes; | |
| 169 import dmd.Dsymbol; | |
| 170 import dmd.StaticAssert; | |
| 171 import dmd.TypeQualified; | |
| 172 import dmd.Condition; | |
| 173 import dmd.PostBlitDeclaration; | |
| 174 import dmd.DtorDeclaration; | |
| 175 import dmd.ConditionalDeclaration; | |
| 176 import dmd.StaticCtorDeclaration; | |
| 177 import dmd.StaticDtorDeclaration; | |
| 178 import dmd.InvariantDeclaration; | |
| 179 import dmd.UnitTestDeclaration; | |
| 180 import dmd.NewDeclaration; | |
| 181 import dmd.DeleteDeclaration; | |
| 182 import dmd.EnumDeclaration; | |
| 183 import dmd.Import; | |
| 184 import dmd.Type; | |
| 185 import dmd.Identifier; | |
| 186 import dmd.FuncDeclaration; | |
| 187 import dmd.Statement; | |
| 188 import dmd.Initializer; | |
| 189 import dmd.Token; | |
| 190 import dmd.TOK; | |
| 191 import dmd.ParseStatementFlags; | |
| 192 import dmd.PROT; | |
| 193 import dmd.STC; | |
| 194 import dmd.Util; | |
| 195 import dmd.CompileDeclaration; | |
| 196 import dmd.StaticIfDeclaration; | |
| 197 import dmd.StorageClassDeclaration; | |
| 198 import dmd.LinkDeclaration; | |
| 199 import dmd.ProtDeclaration; | |
| 200 import dmd.AlignDeclaration; | |
| 201 import dmd.PragmaDeclaration; | |
| 202 import dmd.DebugSymbol; | |
| 203 import dmd.VersionSymbol; | |
| 204 import dmd.AliasThis; | |
| 205 import dmd.Global; | |
| 206 | |
| 207 import core.stdc.string : memcpy; | |
| 208 | |
| 34 | 209 import std.exception; |
| 4 | 210 import core.memory; |
| 0 | 211 |
| 212 class Parser : Lexer | |
| 213 { | |
| 214 ModuleDeclaration md; | |
| 215 LINK linkage; | |
| 216 Loc endloc; // set to location of last right curly | |
| 217 int inBrackets; // inside [] of array index or slice | |
| 218 | |
| 219 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 220 { | |
| 221 super(module_, base, 0, length, doDocComment, 0); | |
| 222 //printf("Parser.Parser()\n"); | |
| 223 linkage = LINK.LINKd; | |
| 224 //nextToken(); // start up the scanner | |
| 225 } | |
| 226 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
227 Dsymbols parseModule() |
| 0 | 228 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
229 typeof(return) decldefs; |
| 0 | 230 |
| 231 // ModuleDeclation leads off | |
| 232 if (token.value == TOK.TOKmodule) | |
| 233 { | |
| 79 | 234 string comment = token.blockComment; |
| 0 | 235 bool safe = false; |
| 236 | |
| 237 nextToken(); | |
| 238 version (DMDV2) { | |
| 239 if (token.value == TOK.TOKlparen) | |
| 240 { | |
| 241 nextToken(); | |
| 242 if (token.value != TOK.TOKidentifier) | |
| 243 { | |
| 244 error("module (system) identifier expected"); | |
| 245 goto Lerr; | |
| 246 } | |
| 247 Identifier id = token.ident; | |
| 248 | |
| 249 if (id is Id.system) | |
| 250 safe = true; | |
| 251 else | |
| 252 error("(safe) expected, not %s", id.toChars()); | |
| 253 nextToken(); | |
| 254 check(TOK.TOKrparen); | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 if (token.value != TOK.TOKidentifier) | |
| 259 { | |
| 260 error("Identifier expected following module"); | |
| 261 goto Lerr; | |
| 262 } | |
| 263 else | |
| 264 { | |
| 265 Array a = null; | |
| 266 Identifier id = token.ident; | |
| 267 while (nextToken() == TOK.TOKdot) | |
| 268 { | |
| 269 if (!a) | |
| 270 a = new Array(); | |
| 271 a.push(cast(void*)id); | |
| 272 nextToken(); | |
| 273 if (token.value != TOK.TOKidentifier) | |
| 274 { error("Identifier expected following package"); | |
| 275 goto Lerr; | |
| 276 } | |
| 277 id = token.ident; | |
| 278 } | |
| 279 | |
| 280 md = new ModuleDeclaration(a, id, safe); | |
| 281 | |
| 282 if (token.value != TOK.TOKsemicolon) | |
| 283 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 284 | |
| 285 nextToken(); | |
| 286 addComment(mod, comment); | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 decldefs = parseDeclDefs(0); | |
| 291 if (token.value != TOK.TOKeof) | |
| 292 { | |
| 293 error("unrecognized declaration"); | |
| 294 goto Lerr; | |
| 295 } | |
| 296 | |
| 297 return decldefs; | |
| 298 | |
| 299 Lerr: | |
| 300 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 301 nextToken(); | |
| 302 | |
| 303 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
304 return new Dsymbols(); |
| 0 | 305 } |
| 306 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
307 Dsymbols parseDeclDefs(int once) |
| 0 | 308 { |
| 309 Dsymbol s; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
310 Dsymbols decldefs; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
311 Dsymbols a; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
312 Dsymbols aelse; |
| 0 | 313 PROT prot; |
| 314 STC stc; | |
| 315 STC storageClass; | |
| 316 Condition condition; | |
| 79 | 317 string comment; |
| 0 | 318 |
| 319 //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
|
320 decldefs = new Dsymbols(); |
| 0 | 321 do |
| 322 { | |
| 323 comment = token.blockComment; | |
| 324 storageClass = STC.STCundefined; | |
| 325 switch (token.value) | |
| 326 { | |
| 327 case TOK.TOKenum: | |
| 328 { /* Determine if this is a manifest constant declaration, | |
| 329 * or a conventional enum. | |
| 330 */ | |
| 331 Token *t = peek(&token); | |
| 332 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 333 s = parseEnum(); | |
| 334 else if (t.value != TOK.TOKidentifier) | |
| 335 goto Ldeclaration; | |
| 336 else | |
| 337 { | |
| 338 t = peek(t); | |
| 339 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 340 t.value == TOK.TOKsemicolon) | |
| 341 s = parseEnum(); | |
| 342 else | |
| 343 goto Ldeclaration; | |
| 344 } | |
| 345 break; | |
| 346 } | |
| 347 | |
| 348 case TOK.TOKstruct: | |
| 349 case TOK.TOKunion: | |
| 350 case TOK.TOKclass: | |
| 351 case TOK.TOKinterface: | |
| 352 s = parseAggregate(); | |
| 353 break; | |
| 354 | |
| 355 case TOK.TOKimport: | |
| 356 s = parseImport(decldefs, 0); | |
| 357 break; | |
| 358 | |
| 359 case TOK.TOKtemplate: | |
| 360 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 361 break; | |
| 362 | |
| 363 case TOK.TOKmixin: | |
| 364 { Loc loc = this.loc; | |
| 365 if (peek(&token).value == TOK.TOKlparen) | |
| 366 { // mixin(string) | |
| 367 nextToken(); | |
| 368 check(TOK.TOKlparen, "mixin"); | |
| 369 Expression e = parseAssignExp(); | |
| 370 check(TOK.TOKrparen); | |
| 371 check(TOK.TOKsemicolon); | |
| 372 s = new CompileDeclaration(loc, e); | |
| 373 break; | |
| 374 } | |
| 375 s = parseMixin(); | |
| 376 break; | |
| 377 } | |
| 378 | |
| 379 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 380 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 381 case TOK.TOKint8: case TOK.TOKuns8: | |
| 382 case TOK.TOKint16: case TOK.TOKuns16: | |
| 383 case TOK.TOKint32: case TOK.TOKuns32: | |
| 384 case TOK.TOKint64: case TOK.TOKuns64: | |
| 385 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 386 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 387 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 388 case TOK.TOKvoid: | |
| 389 case TOK.TOKalias: | |
| 390 case TOK.TOKtypedef: | |
| 391 case TOK.TOKidentifier: | |
| 392 case TOK.TOKtypeof: | |
| 393 case TOK.TOKdot: | |
| 394 Ldeclaration: | |
| 395 a = parseDeclarations(STC.STCundefined); | |
| 396 decldefs.append(a); | |
| 397 continue; | |
| 398 | |
| 399 case TOK.TOKthis: | |
| 400 s = parseCtor(); | |
| 401 break; | |
| 402 | |
| 403 static if (false) { // dead end, use this(this){} instead | |
| 404 case TOK.TOKassign: | |
| 405 s = parsePostBlit(); | |
| 406 break; | |
| 407 } | |
| 408 case TOK.TOKtilde: | |
| 409 s = parseDtor(); | |
| 410 break; | |
| 411 | |
| 412 case TOK.TOKinvariant: | |
| 413 { Token *t; | |
| 414 t = peek(&token); | |
| 415 if (t.value == TOK.TOKlparen) | |
| 416 { | |
| 417 if (peek(t).value == TOK.TOKrparen) | |
| 418 // invariant() forms start of class invariant | |
| 419 s = parseInvariant(); | |
| 420 else | |
| 421 // invariant(type) | |
| 422 goto Ldeclaration; | |
| 423 } | |
| 424 else | |
| 425 { | |
| 426 stc = STC.STCimmutable; | |
| 427 goto Lstc; | |
| 428 } | |
| 429 break; | |
| 430 } | |
| 431 | |
| 432 case TOK.TOKunittest: | |
| 433 s = parseUnitTest(); | |
| 434 break; | |
| 435 | |
| 436 case TOK.TOKnew: | |
| 437 s = parseNew(); | |
| 438 break; | |
| 439 | |
| 440 case TOK.TOKdelete: | |
| 441 s = parseDelete(); | |
| 442 break; | |
| 443 | |
| 444 case TOK.TOKeof: | |
| 445 case TOK.TOKrcurly: | |
| 446 return decldefs; | |
| 447 | |
| 448 case TOK.TOKstatic: | |
| 449 nextToken(); | |
| 450 if (token.value == TOK.TOKthis) | |
| 451 s = parseStaticCtor(); | |
| 452 else if (token.value == TOK.TOKtilde) | |
| 453 s = parseStaticDtor(); | |
| 454 else if (token.value == TOK.TOKassert) | |
| 455 s = parseStaticAssert(); | |
| 456 else if (token.value == TOK.TOKif) | |
| 457 { condition = parseStaticIfCondition(); | |
| 458 a = parseBlock(); | |
| 459 aelse = null; | |
| 460 if (token.value == TOK.TOKelse) | |
| 461 { nextToken(); | |
| 462 aelse = parseBlock(); | |
| 463 } | |
| 464 s = new StaticIfDeclaration(condition, a, aelse); | |
| 465 break; | |
| 466 } | |
| 467 else if (token.value == TOK.TOKimport) | |
| 468 { | |
| 469 s = parseImport(decldefs, 1); | |
| 470 } | |
| 471 else | |
| 472 { stc = STC.STCstatic; | |
| 473 goto Lstc2; | |
| 474 } | |
| 475 break; | |
| 476 | |
| 477 case TOK.TOKconst: | |
| 478 if (peek(&token).value == TOK.TOKlparen) | |
| 479 goto Ldeclaration; | |
| 480 stc = STC.STCconst; | |
| 481 goto Lstc; | |
| 482 | |
| 483 case TOK.TOKimmutable: | |
| 484 if (peek(&token).value == TOK.TOKlparen) | |
| 485 goto Ldeclaration; | |
| 486 stc = STC.STCimmutable; | |
| 487 goto Lstc; | |
| 488 | |
| 489 case TOK.TOKshared: | |
| 490 if (peek(&token).value == TOK.TOKlparen) | |
| 491 goto Ldeclaration; | |
| 492 stc = STC.STCshared; | |
| 493 goto Lstc; | |
| 494 | |
| 495 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 496 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 497 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 498 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 499 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 500 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 501 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 502 version (DMDV2) { | |
| 503 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 504 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 505 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 506 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 507 case TOK.TOKgshared: | |
| 508 stc = STC.STCgshared; goto Lstc; | |
| 509 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 510 } | |
| 511 | |
| 512 Lstc: | |
| 513 if (storageClass & stc) | |
| 514 error("redundant storage class %s", Token.toChars(token.value)); | |
| 515 composeStorageClass(storageClass | stc); | |
| 516 nextToken(); | |
| 517 Lstc2: | |
| 518 storageClass |= stc; | |
| 519 switch (token.value) | |
| 520 { | |
| 521 case TOK.TOKconst: | |
| 522 case TOK.TOKinvariant: | |
| 523 case TOK.TOKimmutable: | |
| 524 case TOK.TOKshared: | |
| 525 // If followed by a (, it is not a storage class | |
| 526 if (peek(&token).value == TOK.TOKlparen) | |
| 527 break; | |
| 528 if (token.value == TOK.TOKconst) | |
| 529 stc = STC.STCconst; | |
| 530 else if (token.value == TOK.TOKshared) | |
| 531 stc = STC.STCshared; | |
| 532 else | |
| 533 stc = STC.STCimmutable; | |
| 534 goto Lstc; | |
| 535 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 536 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 537 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 538 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 539 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 540 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 541 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 542 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 543 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 544 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 545 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 546 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 547 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 548 default: | |
| 549 break; | |
| 550 } | |
| 551 | |
| 552 /* Look for auto initializers: | |
| 553 * storage_class identifier = initializer; | |
| 554 */ | |
| 555 if (token.value == TOK.TOKidentifier && | |
| 556 peek(&token).value == TOK.TOKassign) | |
| 557 { | |
| 558 a = parseAutoDeclarations(storageClass, comment); | |
| 559 decldefs.append(a); | |
| 560 continue; | |
| 561 } | |
| 562 | |
| 563 /* Look for return type inference for template functions. | |
| 564 */ | |
| 565 Token *tk; | |
| 566 if (token.value == TOK.TOKidentifier && | |
| 567 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 568 skipParens(tk, &tk) && | |
| 569 (peek(tk).value == TOK.TOKlparen || | |
| 570 peek(tk).value == TOK.TOKlcurly) | |
| 571 ) | |
| 572 { | |
| 573 a = parseDeclarations(storageClass); | |
| 574 decldefs.append(a); | |
| 575 continue; | |
| 576 } | |
| 577 a = parseBlock(); | |
| 578 s = new StorageClassDeclaration(storageClass, a); | |
| 579 break; | |
| 580 | |
| 581 case TOK.TOKextern: | |
| 582 if (peek(&token).value != TOK.TOKlparen) | |
| 583 { | |
| 584 stc = STC.STCextern; | |
| 585 goto Lstc; | |
| 586 } | |
| 587 { | |
| 588 LINK linksave = linkage; | |
| 589 linkage = parseLinkage(); | |
| 590 a = parseBlock(); | |
| 591 s = new LinkDeclaration(linkage, a); | |
| 592 linkage = linksave; | |
| 593 break; | |
| 594 } | |
| 595 | |
| 596 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 597 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 598 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 599 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 600 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 601 Lprot: | |
| 602 nextToken(); | |
| 603 switch (token.value) | |
| 604 { | |
| 605 case TOK.TOKprivate: | |
| 606 case TOK.TOKpackage: | |
| 607 case TOK.TOKprotected: | |
| 608 case TOK.TOKpublic: | |
| 609 case TOK.TOKexport: | |
| 610 error("redundant protection attribute"); | |
| 611 break; | |
| 612 default: | |
| 613 break; | |
| 614 } | |
| 615 a = parseBlock(); | |
| 616 s = new ProtDeclaration(prot, a); | |
| 617 break; | |
| 618 | |
| 619 case TOK.TOKalign: | |
| 620 { uint n; | |
| 621 | |
| 622 s = null; | |
| 623 nextToken(); | |
| 624 if (token.value == TOK.TOKlparen) | |
| 625 { | |
| 626 nextToken(); | |
| 627 if (token.value == TOK.TOKint32v) | |
| 628 n = cast(uint)token.uns64value; | |
| 629 else | |
| 630 { error("integer expected, not %s", token.toChars()); | |
| 631 n = 1; | |
| 632 } | |
| 633 nextToken(); | |
| 634 check(TOK.TOKrparen); | |
| 635 } | |
| 636 else | |
| 637 n = global.structalign; // default | |
| 638 | |
| 639 a = parseBlock(); | |
| 640 s = new AlignDeclaration(n, a); | |
| 641 break; | |
| 642 } | |
| 643 | |
| 644 case TOK.TOKpragma: | |
| 645 { Identifier ident; | |
| 646 Expressions args = null; | |
| 647 | |
| 648 nextToken(); | |
| 649 check(TOK.TOKlparen); | |
| 650 if (token.value != TOK.TOKidentifier) | |
| 651 { error("pragma(identifier expected"); | |
| 652 goto Lerror; | |
| 653 } | |
| 654 ident = token.ident; | |
| 655 nextToken(); | |
| 656 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 657 args = parseArguments(); // pragma(identifier, args...) | |
| 658 else | |
| 659 check(TOK.TOKrparen); // pragma(identifier) | |
| 660 | |
| 661 if (token.value == TOK.TOKsemicolon) | |
| 662 a = null; | |
| 663 else | |
| 664 a = parseBlock(); | |
| 665 s = new PragmaDeclaration(loc, ident, args, a); | |
| 666 break; | |
| 667 } | |
| 668 | |
| 669 case TOK.TOKdebug: | |
| 670 nextToken(); | |
| 671 if (token.value == TOK.TOKassign) | |
| 672 { | |
| 673 nextToken(); | |
| 674 if (token.value == TOK.TOKidentifier) | |
| 675 s = new DebugSymbol(loc, token.ident); | |
| 676 else if (token.value == TOK.TOKint32v) | |
| 677 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 678 else | |
| 679 { error("identifier or integer expected, not %s", token.toChars()); | |
| 680 s = null; | |
| 681 } | |
| 682 nextToken(); | |
| 683 if (token.value != TOK.TOKsemicolon) | |
| 684 error("semicolon expected"); | |
| 685 nextToken(); | |
| 686 break; | |
| 687 } | |
| 688 | |
| 689 condition = parseDebugCondition(); | |
| 690 goto Lcondition; | |
| 691 | |
| 692 case TOK.TOKversion: | |
| 693 nextToken(); | |
| 694 if (token.value == TOK.TOKassign) | |
| 695 { | |
| 696 nextToken(); | |
| 697 if (token.value == TOK.TOKidentifier) | |
| 698 s = new VersionSymbol(loc, token.ident); | |
| 699 else if (token.value == TOK.TOKint32v) | |
| 700 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 701 else | |
| 702 { error("identifier or integer expected, not %s", token.toChars()); | |
| 703 s = null; | |
| 704 } | |
| 705 nextToken(); | |
| 706 if (token.value != TOK.TOKsemicolon) | |
| 707 error("semicolon expected"); | |
| 708 nextToken(); | |
| 709 break; | |
| 710 } | |
| 711 condition = parseVersionCondition(); | |
| 712 goto Lcondition; | |
| 713 | |
| 714 Lcondition: | |
| 715 a = parseBlock(); | |
| 716 aelse = null; | |
| 717 if (token.value == TOK.TOKelse) | |
| 718 { nextToken(); | |
| 719 aelse = parseBlock(); | |
| 720 } | |
| 721 s = new ConditionalDeclaration(condition, a, aelse); | |
| 722 break; | |
| 723 | |
| 724 case TOK.TOKsemicolon: // empty declaration | |
| 725 nextToken(); | |
| 726 continue; | |
| 727 | |
| 728 default: | |
| 729 error("Declaration expected, not '%s'",token.toChars()); | |
| 730 Lerror: | |
| 731 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 732 nextToken(); | |
| 733 nextToken(); | |
| 734 s = null; | |
| 735 continue; | |
| 736 } | |
| 737 if (s) | |
|
74
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|
738 { decldefs.push(s); |
| 0 | 739 addComment(s, comment); |
| 740 } | |
| 741 } while (!once); | |
| 742 return decldefs; | |
| 743 } | |
| 744 | |
| 745 /***************************************** | |
| 746 * Parse auto declarations of the form: | |
| 747 * storageClass ident = init, ident = init, ... ; | |
| 748 * and return the array of them. | |
| 749 * Starts with token on the first ident. | |
| 750 * Ends with scanner past closing ';' | |
| 751 */ | |
| 79 | 752 version (DMDV2) |
| 753 { | |
| 754 Dsymbols parseAutoDeclarations(STC storageClass, const(char)[] comment) | |
| 0 | 755 { |
|
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diff
changeset
|
756 auto a = new Dsymbols; |
| 0 | 757 |
| 758 while (true) | |
| 759 { | |
| 760 Identifier ident = token.ident; | |
| 761 nextToken(); // skip over ident | |
| 762 assert(token.value == TOKassign); | |
| 763 nextToken(); // skip over '=' | |
| 764 Initializer init = parseInitializer(); | |
|
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56
diff
changeset
|
765 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 766 v.storage_class = storageClass; |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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56
diff
changeset
|
767 a.push(v); |
| 0 | 768 if (token.value == TOKsemicolon) |
| 769 { | |
| 770 nextToken(); | |
| 771 addComment(v, comment); | |
| 772 } | |
| 773 else if (token.value == TOKcomma) | |
| 774 { | |
| 775 nextToken(); | |
| 776 if (token.value == TOKidentifier && | |
| 777 peek(&token).value == TOKassign) | |
| 778 { | |
| 779 addComment(v, comment); | |
| 780 continue; | |
| 781 } | |
| 782 else | |
| 783 error("Identifier expected following comma"); | |
| 784 } | |
| 785 else | |
| 786 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 787 break; | |
| 788 } | |
| 789 return a; | |
| 790 } | |
| 791 } | |
| 792 /******************************************** | |
| 793 * Parse declarations after an align, protection, or extern decl. | |
| 794 */ | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
56
diff
changeset
|
795 Dsymbols parseBlock() |
| 0 | 796 { |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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diff
changeset
|
797 Dsymbols a = null; |
| 0 | 798 Dsymbol ss; |
| 799 | |
| 800 //printf("parseBlock()\n"); | |
| 801 switch (token.value) | |
| 802 { | |
| 803 case TOK.TOKsemicolon: | |
| 804 error("declaration expected following attribute, not ';'"); | |
| 805 nextToken(); | |
| 806 break; | |
| 807 | |
| 808 case TOK.TOKeof: | |
| 809 error("declaration expected following attribute, not EOF"); | |
| 810 break; | |
| 811 | |
| 812 case TOK.TOKlcurly: | |
| 813 nextToken(); | |
| 814 a = parseDeclDefs(0); | |
| 815 if (token.value != TOK.TOKrcurly) | |
| 816 { /* { */ | |
| 817 error("matching '}' expected, not %s", token.toChars()); | |
| 818 } | |
| 819 else | |
| 820 nextToken(); | |
| 821 break; | |
| 822 | |
| 823 case TOK.TOKcolon: | |
| 824 nextToken(); | |
| 825 static if (false) { | |
| 826 a = null; | |
| 827 } else { | |
| 828 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 829 } | |
| 830 break; | |
| 831 | |
| 832 default: | |
| 833 a = parseDeclDefs(1); | |
| 834 break; | |
| 835 } | |
| 836 return a; | |
| 837 } | |
| 838 | |
| 839 void composeStorageClass(STC stc) | |
| 840 { | |
| 841 STC u = stc; | |
| 842 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; | |
| 843 if (u & (u - 1)) | |
| 844 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 845 | |
| 846 u = stc; | |
| 847 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 848 if (u & (u - 1)) | |
| 849 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 850 } | |
| 851 | |
| 852 /************************************** | |
| 853 * Parse constraint. | |
| 854 * Constraint is of the form: | |
| 855 * if ( ConstraintExpression ) | |
| 856 */ | |
| 857 version (DMDV2) { | |
| 858 Expression parseConstraint() | |
| 859 { | |
| 860 Expression e = null; | |
| 861 | |
| 862 if (token.value == TOKif) | |
| 863 { | |
| 864 nextToken(); // skip over 'if' | |
| 865 check(TOKlparen); | |
| 866 e = parseExpression(); | |
| 867 check(TOKrparen); | |
| 868 } | |
| 869 return e; | |
| 870 } | |
| 871 } | |
| 872 /************************************** | |
| 873 * Parse a TemplateDeclaration. | |
| 874 */ | |
| 875 TemplateDeclaration parseTemplateDeclaration() | |
| 876 { | |
| 877 TemplateDeclaration tempdecl; | |
| 878 Identifier id; | |
| 879 TemplateParameters tpl; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
56
diff
changeset
|
880 Dsymbols decldefs; |
| 0 | 881 Expression constraint = null; |
| 882 Loc loc = this.loc; | |
| 883 | |
| 884 nextToken(); | |
| 885 if (token.value != TOKidentifier) | |
| 886 { | |
| 887 error("TemplateIdentifier expected following template"); | |
| 888 goto Lerr; | |
| 889 } | |
| 890 id = token.ident; | |
| 891 nextToken(); | |
| 892 tpl = parseTemplateParameterList(); | |
| 893 if (!tpl) | |
| 894 goto Lerr; | |
| 895 | |
| 896 constraint = parseConstraint(); | |
| 897 | |
| 898 if (token.value != TOKlcurly) | |
| 899 { | |
| 900 error("members of template declaration expected"); | |
| 901 goto Lerr; | |
| 902 } | |
| 903 else | |
| 904 { | |
| 905 nextToken(); | |
| 906 decldefs = parseDeclDefs(0); | |
| 907 if (token.value != TOKrcurly) | |
| 908 { | |
| 909 error("template member expected"); | |
| 910 goto Lerr; | |
| 911 } | |
| 912 nextToken(); | |
| 913 } | |
| 914 | |
| 915 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 916 return tempdecl; | |
| 917 | |
| 918 Lerr: | |
| 919 return null; | |
| 920 } | |
| 921 | |
| 922 /****************************************** | |
| 923 * Parse template parameter list. | |
| 924 * Input: | |
| 925 * flag 0: parsing "( list )" | |
| 926 * 1: parsing non-empty "list )" | |
| 927 */ | |
| 928 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 929 { | |
| 930 TemplateParameters tpl = new TemplateParameters(); | |
| 931 | |
| 932 if (!flag && token.value != TOKlparen) | |
| 933 { | |
| 934 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 935 goto Lerr; | |
| 936 } | |
| 937 nextToken(); | |
| 938 | |
| 939 // Get array of TemplateParameters | |
| 940 if (flag || token.value != TOKrparen) | |
| 941 { | |
| 942 int isvariadic = 0; | |
| 943 | |
| 944 while (true) | |
| 945 { | |
| 946 TemplateParameter tp; | |
| 947 Identifier tp_ident = null; | |
| 948 Type tp_spectype = null; | |
| 949 Type tp_valtype = null; | |
| 950 Type tp_defaulttype = null; | |
| 951 Expression tp_specvalue = null; | |
| 952 Expression tp_defaultvalue = null; | |
| 953 Token* t; | |
| 954 | |
| 955 // Get TemplateParameter | |
| 956 | |
| 957 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 958 t = peek(&token); | |
| 959 if (token.value == TOKalias) | |
| 960 { | |
| 961 // AliasParameter | |
| 962 nextToken(); | |
| 963 Type spectype = null; | |
| 964 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 965 { | |
| 966 spectype = parseType(&tp_ident); | |
| 967 } | |
| 968 else | |
| 969 { | |
| 970 if (token.value != TOKidentifier) | |
| 971 { | |
| 972 error("identifier expected for template alias parameter"); | |
| 973 goto Lerr; | |
| 974 } | |
| 975 tp_ident = token.ident; | |
| 976 nextToken(); | |
| 977 } | |
| 978 Object spec = null; | |
| 979 if (token.value == TOKcolon) // : Type | |
| 980 { | |
| 981 nextToken(); | |
| 982 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 983 spec = parseType(); | |
| 984 else | |
| 985 spec = parseCondExp(); | |
| 986 } | |
| 987 Object def = null; | |
| 988 if (token.value == TOKassign) // = Type | |
| 989 { | |
| 990 nextToken(); | |
| 991 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 992 def = parseType(); | |
| 993 else | |
| 994 def = parseCondExp(); | |
| 995 } | |
| 996 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 997 } | |
| 998 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 999 t.value == TOKcomma || t.value == TOKrparen) | |
| 1000 { // TypeParameter | |
| 1001 if (token.value != TOKidentifier) | |
| 1002 { error("identifier expected for template type parameter"); | |
| 1003 goto Lerr; | |
| 1004 } | |
| 1005 tp_ident = token.ident; | |
| 1006 nextToken(); | |
| 1007 if (token.value == TOKcolon) // : Type | |
| 1008 { | |
| 1009 nextToken(); | |
| 1010 tp_spectype = parseType(); | |
| 1011 } | |
| 1012 if (token.value == TOKassign) // = Type | |
| 1013 { | |
| 1014 nextToken(); | |
| 1015 tp_defaulttype = parseType(); | |
| 1016 } | |
| 1017 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1018 } | |
| 1019 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1020 { // ident... | |
| 1021 if (isvariadic) | |
| 1022 error("variadic template parameter must be last"); | |
| 1023 isvariadic = 1; | |
| 1024 tp_ident = token.ident; | |
| 1025 nextToken(); | |
| 1026 nextToken(); | |
| 1027 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1028 } | |
| 1029 /// version (DMDV2) { | |
| 1030 else if (token.value == TOKthis) | |
| 1031 { // ThisParameter | |
| 1032 nextToken(); | |
| 1033 if (token.value != TOKidentifier) | |
| 1034 { error("identifier expected for template this parameter"); | |
| 1035 goto Lerr; | |
| 1036 } | |
| 1037 tp_ident = token.ident; | |
| 1038 nextToken(); | |
| 1039 if (token.value == TOKcolon) // : Type | |
| 1040 { | |
| 1041 nextToken(); | |
| 1042 tp_spectype = parseType(); | |
| 1043 } | |
| 1044 if (token.value == TOKassign) // = Type | |
| 1045 { | |
| 1046 nextToken(); | |
| 1047 tp_defaulttype = parseType(); | |
| 1048 } | |
| 1049 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1050 } | |
| 1051 /// } | |
| 1052 else | |
| 1053 { // ValueParameter | |
| 1054 tp_valtype = parseType(&tp_ident); | |
| 1055 if (!tp_ident) | |
| 1056 { | |
| 1057 error("identifier expected for template value parameter"); | |
| 1058 tp_ident = new Identifier("error", TOKidentifier); | |
| 1059 } | |
| 1060 if (token.value == TOKcolon) // : CondExpression | |
| 1061 { | |
| 1062 nextToken(); | |
| 1063 tp_specvalue = parseCondExp(); | |
| 1064 } | |
| 1065 if (token.value == TOKassign) // = CondExpression | |
| 1066 { | |
| 1067 nextToken(); | |
| 1068 tp_defaultvalue = parseDefaultInitExp(); | |
| 1069 } | |
| 1070 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1071 } | |
|
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changeset
|
1072 tpl.push(tp); |
| 0 | 1073 if (token.value != TOKcomma) |
| 1074 break; | |
| 1075 nextToken(); | |
| 1076 } | |
| 1077 } | |
| 1078 check(TOKrparen); | |
| 1079 | |
| 1080 Lerr: | |
| 1081 return tpl; | |
| 1082 } | |
|
19
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 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1085 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1086 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1087 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1088 * 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
|
1089 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1090 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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parents:
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diff
changeset
|
1091 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1092 |
| 0 | 1093 Dsymbol parseMixin() |
| 1094 { | |
| 13 | 1095 TemplateMixin tm; |
| 1096 Identifier id; | |
| 1097 Type tqual; | |
| 1098 Objects tiargs; | |
| 1099 Array idents; | |
| 1100 | |
| 1101 //printf("parseMixin()\n"); | |
| 1102 nextToken(); | |
| 1103 tqual = null; | |
| 1104 if (token.value == TOKdot) | |
| 1105 { | |
| 1106 id = Id.empty; | |
| 1107 } | |
| 1108 else | |
| 1109 { | |
| 1110 if (token.value == TOKtypeof) | |
| 1111 { | |
| 1112 tqual = parseTypeof(); | |
| 1113 check(TOKdot); | |
| 1114 } | |
| 1115 if (token.value != TOKidentifier) | |
| 1116 { | |
| 1117 error("identifier expected, not %s", token.toChars()); | |
| 1118 id = Id.empty; | |
| 1119 } | |
| 1120 else | |
| 1121 id = token.ident; | |
| 1122 nextToken(); | |
| 1123 } | |
| 1124 | |
| 1125 idents = new Array(); | |
| 1126 while (1) | |
| 1127 { | |
| 1128 tiargs = null; | |
| 1129 if (token.value == TOKnot) | |
| 1130 { | |
| 1131 nextToken(); | |
| 1132 if (token.value == TOKlparen) | |
| 1133 tiargs = parseTemplateArgumentList(); | |
| 1134 else | |
| 1135 tiargs = parseTemplateArgument(); | |
| 1136 } | |
| 1137 if (token.value != TOKdot) | |
| 1138 break; | |
| 1139 if (tiargs) | |
| 1140 { | |
| 1141 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1142 tempinst.tiargs = tiargs; | |
| 1143 id = cast(Identifier)tempinst; | |
| 1144 tiargs = null; | |
| 1145 } | |
| 1146 idents.push(cast(void*)id); | |
| 1147 nextToken(); | |
| 1148 if (token.value != TOKidentifier) | |
| 1149 { | |
| 1150 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1151 break; | |
| 1152 } | |
| 1153 id = token.ident; | |
| 1154 nextToken(); | |
| 1155 } | |
| 1156 idents.push(cast(void*)id); | |
| 1157 if (token.value == TOKidentifier) | |
| 1158 { | |
| 1159 id = token.ident; | |
| 1160 nextToken(); | |
| 1161 } | |
| 1162 else | |
| 1163 id = null; | |
| 1164 | |
| 1165 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1166 if (token.value != TOKsemicolon) | |
| 1167 error("';' expected after mixin"); | |
| 1168 nextToken(); | |
| 1169 return tm; | |
| 0 | 1170 } |
| 1171 | |
| 1172 /****************************************** | |
| 1173 * Parse template argument list. | |
| 1174 * Input: | |
| 1175 * current token is opening '(' | |
| 1176 * Output: | |
| 1177 * current token is one after closing ')' | |
| 1178 */ | |
| 1179 Objects parseTemplateArgumentList() | |
| 1180 { | |
| 1181 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1182 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1183 { | |
| 1184 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1185 return new Objects(); | |
| 1186 } | |
| 1187 return parseTemplateArgumentList2(); | |
| 1188 } | |
| 1189 | |
| 1190 Objects parseTemplateArgumentList2() | |
| 1191 { | |
| 1192 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1193 Objects tiargs = new Objects(); | |
| 1194 TOK endtok = TOKrparen; | |
| 1195 nextToken(); | |
| 1196 | |
| 1197 // Get TemplateArgumentList | |
| 1198 if (token.value != endtok) | |
| 1199 { | |
| 1200 while (1) | |
| 1201 { | |
| 1202 // See if it is an Expression or a Type | |
| 1203 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1204 { // Template argument is a type | |
| 1205 Type ta = parseType(); | |
|
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|
1206 tiargs.push(ta); |
| 0 | 1207 } |
| 1208 else | |
| 1209 { // Template argument is an expression | |
| 1210 Expression ea = parseAssignExp(); | |
| 1211 | |
| 1212 if (ea.op == TOKfunction) | |
| 1213 { | |
| 1214 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1215 if (fd.type.ty == Tfunction) | |
| 1216 { | |
| 1217 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1218 /* If there are parameters that consist of only an identifier, | |
| 1219 * rather than assuming the identifier is a type, as we would | |
| 1220 * for regular function declarations, assume the identifier | |
| 1221 * is the parameter name, and we're building a template with | |
| 1222 * a deduced type. | |
| 1223 */ | |
| 1224 TemplateParameters tpl = null; | |
| 1225 for (int i = 0; i < tf.parameters.dim; i++) | |
| 1226 { | |
| 1227 Argument param = cast(Argument)tf.parameters.data[i]; | |
| 1228 if (param.ident is null && | |
| 1229 param.type && | |
| 1230 param.type.ty == Tident && | |
| 1231 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1232 ) | |
| 1233 { | |
| 1234 /* Switch parameter type to parameter identifier, | |
| 1235 * parameterize with template type parameter _T | |
| 1236 */ | |
| 1237 TypeIdentifier pt = cast(TypeIdentifier)param.type; | |
| 1238 param.ident = pt.ident; | |
| 1239 Identifier id = Lexer.uniqueId("__T"); | |
| 1240 param.type = new TypeIdentifier(pt.loc, id); | |
|
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parents:
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|
1241 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1242 if (!tpl) |
| 1243 tpl = new TemplateParameters(); | |
|
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diff
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|
1244 tpl.push(tp); |
| 0 | 1245 } |
| 1246 } | |
| 1247 | |
| 1248 if (tpl) | |
| 1249 { | |
| 1250 // Wrap a template around function fd | |
|
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parents:
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|
1251 auto decldefs = new Dsymbols(); |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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|
1252 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1253 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1254 tempdecl.literal = 1; // it's a template 'literal' |
|
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parents:
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changeset
|
1255 tiargs.push(tempdecl); |
| 0 | 1256 goto L1; |
| 1257 } | |
| 1258 } | |
| 1259 } | |
| 1260 | |
|
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changeset
|
1261 tiargs.push(ea); |
| 0 | 1262 } |
| 1263 L1: | |
| 1264 if (token.value != TOKcomma) | |
| 1265 break; | |
| 1266 nextToken(); | |
| 1267 } | |
| 1268 } | |
| 1269 check(endtok, "template argument list"); | |
| 1270 return tiargs; | |
| 1271 } | |
| 1272 | |
| 2 | 1273 /***************************** |
| 1274 * Parse single template argument, to support the syntax: | |
| 1275 * foo!arg | |
| 1276 * Input: | |
| 1277 * current token is the arg | |
| 1278 */ | |
| 0 | 1279 Objects parseTemplateArgument() |
| 1280 { | |
| 2 | 1281 //printf("parseTemplateArgument()\n"); |
| 1282 Objects tiargs = new Objects(); | |
| 1283 Type ta; | |
| 1284 switch (token.value) | |
| 1285 { | |
| 1286 case TOKidentifier: | |
| 1287 ta = new TypeIdentifier(loc, token.ident); | |
| 1288 goto LabelX; | |
| 1289 | |
| 1290 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1291 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1292 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1293 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1294 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1295 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1296 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1297 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1298 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1299 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1300 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1301 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1302 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1303 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1304 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1305 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1306 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1307 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1308 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1309 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1310 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1311 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1312 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1313 LabelX: | |
|
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parents:
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changeset
|
1314 tiargs.push(ta); |
| 2 | 1315 nextToken(); |
| 1316 break; | |
| 1317 | |
| 1318 case TOKint32v: | |
| 1319 case TOKuns32v: | |
| 1320 case TOKint64v: | |
| 1321 case TOKuns64v: | |
| 1322 case TOKfloat32v: | |
| 1323 case TOKfloat64v: | |
| 1324 case TOKfloat80v: | |
| 1325 case TOKimaginary32v: | |
| 1326 case TOKimaginary64v: | |
| 1327 case TOKimaginary80v: | |
| 1328 case TOKnull: | |
| 1329 case TOKtrue: | |
| 1330 case TOKfalse: | |
| 1331 case TOKcharv: | |
| 1332 case TOKwcharv: | |
| 1333 case TOKdcharv: | |
| 1334 case TOKstring: | |
| 1335 case TOKfile: | |
| 1336 case TOKline: | |
| 1337 { | |
| 1338 // Template argument is an expression | |
| 1339 Expression ea = parsePrimaryExp(); | |
|
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parents:
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changeset
|
1340 tiargs.push(ea); |
| 2 | 1341 break; |
| 1342 } | |
| 1343 | |
| 1344 default: | |
| 1345 error("template argument expected following !"); | |
| 1346 break; | |
| 1347 } | |
| 1348 | |
| 1349 if (token.value == TOKnot) | |
| 1350 error("multiple ! arguments are not allowed"); | |
| 1351 return tiargs; | |
| 0 | 1352 } |
| 1353 | |
| 1354 /********************************** | |
| 1355 * Parse a static assertion. | |
| 1356 */ | |
| 1357 StaticAssert parseStaticAssert() | |
| 1358 { | |
| 1359 Loc loc = this.loc; | |
| 1360 Expression exp; | |
| 1361 Expression msg = null; | |
| 1362 | |
| 1363 //printf("parseStaticAssert()\n"); | |
| 1364 nextToken(); | |
| 1365 check(TOK.TOKlparen); | |
| 1366 exp = parseAssignExp(); | |
| 1367 if (token.value == TOK.TOKcomma) | |
| 1368 { | |
| 1369 nextToken(); | |
| 1370 msg = parseAssignExp(); | |
| 1371 } | |
| 1372 | |
| 1373 check(TOK.TOKrparen); | |
| 1374 check(TOK.TOKsemicolon); | |
| 1375 | |
| 1376 return new StaticAssert(loc, exp, msg); | |
| 1377 } | |
| 1378 | |
| 1379 TypeQualified parseTypeof() | |
| 1380 { | |
| 1381 TypeQualified t; | |
| 1382 Loc loc = this.loc; | |
| 1383 | |
| 1384 nextToken(); | |
| 1385 check(TOK.TOKlparen); | |
| 1386 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1387 { | |
| 1388 nextToken(); | |
| 1389 t = new TypeReturn(loc); | |
| 1390 } | |
| 1391 else | |
| 1392 { | |
| 1393 Expression exp = parseExpression(); // typeof(expression) | |
| 1394 t = new TypeTypeof(loc, exp); | |
| 1395 } | |
| 1396 check(TOK.TOKrparen); | |
| 1397 return t; | |
| 1398 } | |
| 1399 | |
| 1400 /*********************************** | |
| 1401 * Parse extern (linkage) | |
| 1402 * The parser is on the 'extern' token. | |
| 1403 */ | |
| 1404 LINK parseLinkage() | |
| 1405 { | |
| 1406 LINK link = LINK.LINKdefault; | |
| 1407 nextToken(); | |
| 1408 assert(token.value == TOK.TOKlparen); | |
| 1409 nextToken(); | |
| 1410 if (token.value == TOK.TOKidentifier) | |
| 1411 { | |
| 1412 Identifier id = token.ident; | |
| 1413 | |
| 1414 nextToken(); | |
| 1415 if (id == Id.Windows) | |
| 1416 link = LINK.LINKwindows; | |
| 1417 else if (id == Id.Pascal) | |
| 1418 link = LINK.LINKpascal; | |
| 1419 else if (id == Id.D) | |
| 1420 link = LINK.LINKd; | |
| 1421 else if (id == Id.C) | |
| 1422 { | |
| 1423 link = LINK.LINKc; | |
| 1424 if (token.value == TOK.TOKplusplus) | |
| 1425 { | |
| 1426 link = LINK.LINKcpp; | |
| 1427 nextToken(); | |
| 1428 } | |
| 1429 } | |
| 1430 else if (id == Id.System) | |
| 1431 { | |
| 114 | 1432 version (Windows) |
| 1433 { | |
| 0 | 1434 link = LINK.LINKwindows; |
| 114 | 1435 } |
| 1436 else | |
| 1437 { | |
| 0 | 1438 link = LINK.LINKc; |
| 1439 } | |
| 1440 } | |
| 1441 else | |
| 1442 { | |
| 1443 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1444 link = LINK.LINKd; | |
| 1445 } | |
| 1446 } | |
| 1447 else | |
| 1448 { | |
| 1449 link = LINK.LINKd; // default | |
| 1450 } | |
| 1451 check(TOK.TOKrparen); | |
| 1452 | |
| 1453 return link; | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 1457 /************************************** | |
| 1458 * Parse a debug conditional | |
| 1459 */ | |
| 1460 Condition parseDebugCondition() | |
| 1461 { | |
| 1462 Condition c; | |
| 1463 | |
| 1464 if (token.value == TOK.TOKlparen) | |
| 1465 { | |
| 1466 nextToken(); | |
| 1467 uint level = 1; | |
| 1468 Identifier id = null; | |
| 1469 | |
| 1470 if (token.value == TOK.TOKidentifier) | |
| 1471 id = token.ident; | |
| 1472 else if (token.value == TOK.TOKint32v) | |
| 1473 level = cast(uint)token.uns64value; | |
| 1474 else | |
| 1475 error("identifier or integer expected, not %s", token.toChars()); | |
| 1476 | |
| 1477 nextToken(); | |
| 1478 check(TOK.TOKrparen); | |
| 1479 | |
| 1480 c = new DebugCondition(mod, level, id); | |
| 1481 } | |
| 1482 else | |
| 1483 c = new DebugCondition(mod, 1, null); | |
| 1484 | |
| 1485 return c; | |
| 1486 } | |
| 1487 | |
| 1488 /************************************** | |
| 1489 * Parse a version conditional | |
| 1490 */ | |
| 1491 Condition parseVersionCondition() | |
| 1492 { | |
| 1493 Condition c; | |
| 1494 uint level = 1; | |
| 1495 Identifier id = null; | |
| 1496 | |
| 1497 if (token.value == TOK.TOKlparen) | |
| 1498 { | |
| 1499 nextToken(); | |
| 1500 if (token.value == TOK.TOKidentifier) | |
| 1501 id = token.ident; | |
| 1502 else if (token.value == TOK.TOKint32v) | |
| 1503 level = cast(uint)token.uns64value; | |
| 1504 else { | |
| 1505 version (DMDV2) { | |
| 1506 /* Allow: | |
| 1507 * version (unittest) | |
| 1508 * even though unittest is a keyword | |
| 1509 */ | |
| 1510 if (token.value == TOK.TOKunittest) | |
| 1511 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1512 else | |
| 1513 error("identifier or integer expected, not %s", token.toChars()); | |
| 1514 } else { | |
| 1515 error("identifier or integer expected, not %s", token.toChars()); | |
| 1516 } | |
| 1517 } | |
| 1518 nextToken(); | |
| 1519 check(TOK.TOKrparen); | |
| 1520 } | |
| 1521 else | |
| 1522 error("(condition) expected following version"); | |
| 1523 | |
| 1524 c = new VersionCondition(mod, level, id); | |
| 1525 | |
| 1526 return c; | |
| 1527 } | |
| 1528 | |
| 1529 /*********************************************** | |
| 1530 * static if (expression) | |
| 1531 * body | |
| 1532 * else | |
| 1533 * body | |
| 1534 */ | |
| 1535 Condition parseStaticIfCondition() | |
| 1536 { | |
| 1537 Expression exp; | |
| 1538 Condition condition; | |
| 1539 Array aif; | |
| 1540 Array aelse; | |
| 1541 Loc loc = this.loc; | |
| 1542 | |
| 1543 nextToken(); | |
| 1544 if (token.value == TOKlparen) | |
| 1545 { | |
| 1546 nextToken(); | |
| 1547 exp = parseAssignExp(); | |
| 1548 check(TOKrparen); | |
| 1549 } | |
| 1550 else | |
| 1551 { | |
| 1552 error("(expression) expected following static if"); | |
| 1553 exp = null; | |
| 1554 } | |
| 1555 condition = new StaticIfCondition(loc, exp); | |
| 1556 return condition; | |
| 1557 } | |
| 1558 | |
| 1559 /***************************************** | |
| 1560 * Parse a constructor definition: | |
| 1561 * this(parameters) { body } | |
| 1562 * or postblit: | |
| 1563 * this(this) { body } | |
| 1564 * or constructor template: | |
| 1565 * this(templateparameters)(parameters) { body } | |
| 1566 * Current token is 'this'. | |
| 1567 */ | |
| 1568 | |
| 1569 Dsymbol parseCtor() | |
| 1570 { | |
| 1571 Loc loc = this.loc; | |
| 1572 | |
| 1573 nextToken(); | |
| 1574 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1575 { // this(this) { ... } | |
| 1576 nextToken(); | |
| 1577 nextToken(); | |
| 1578 check(TOK.TOKrparen); | |
| 1579 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1580 parseContracts(f); | |
| 1581 return f; | |
| 1582 } | |
| 1583 | |
| 1584 /* Look ahead to see if: | |
| 1585 * this(...)(...) | |
| 1586 * which is a constructor template | |
| 1587 */ | |
| 1588 TemplateParameters tpl = null; | |
| 1589 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1590 { tpl = parseTemplateParameterList(); | |
| 1591 | |
| 1592 int varargs; | |
| 1593 Arguments arguments = parseParameters(&varargs); | |
| 1594 | |
| 1595 Expression constraint = null; | |
| 1596 if (tpl) | |
| 1597 constraint = parseConstraint(); | |
| 1598 | |
| 1599 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1600 parseContracts(f); | |
| 1601 | |
| 1602 // Wrap a template around it | |
|
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parents:
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changeset
|
1603 auto decldefs = new Dsymbols(); |
|
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parents:
56
diff
changeset
|
1604 decldefs.push(f); |
|
7e0d548de9e6
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parents:
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diff
changeset
|
1605 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1606 return tempdecl; |
| 1607 } | |
| 1608 | |
| 1609 /* Just a regular constructor | |
| 1610 */ | |
| 1611 int varargs; | |
| 1612 Arguments arguments = parseParameters(&varargs); | |
| 1613 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1614 parseContracts(f); | |
| 1615 return f; | |
| 1616 } | |
| 1617 | |
| 1618 PostBlitDeclaration parsePostBlit() | |
| 1619 { | |
| 1620 assert(false); | |
| 1621 } | |
| 1622 | |
| 1623 /***************************************** | |
| 1624 * Parse a destructor definition: | |
| 1625 * ~this() { body } | |
| 1626 * Current token is '~'. | |
| 1627 */ | |
| 1628 DtorDeclaration parseDtor() | |
| 1629 { | |
| 1630 DtorDeclaration f; | |
| 1631 Loc loc = this.loc; | |
| 1632 | |
| 1633 nextToken(); | |
| 1634 check(TOKthis); | |
| 1635 check(TOKlparen); | |
| 1636 check(TOKrparen); | |
| 1637 | |
| 1638 f = new DtorDeclaration(loc, Loc(0)); | |
| 1639 parseContracts(f); | |
| 1640 return f; | |
| 1641 } | |
| 1642 | |
| 1643 /***************************************** | |
| 1644 * Parse a static constructor definition: | |
| 1645 * static this() { body } | |
| 1646 * Current token is 'this'. | |
| 1647 */ | |
| 1648 StaticCtorDeclaration parseStaticCtor() | |
| 1649 { | |
| 1650 StaticCtorDeclaration f; | |
| 1651 Loc loc = this.loc; | |
| 1652 | |
| 1653 nextToken(); | |
| 1654 check(TOKlparen); | |
| 1655 check(TOKrparen); | |
| 1656 | |
| 1657 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1658 parseContracts(f); | |
| 1659 return f; | |
| 1660 } | |
| 1661 | |
| 1662 /***************************************** | |
| 1663 * Parse a static destructor definition: | |
| 1664 * static ~this() { body } | |
| 1665 * Current token is '~'. | |
| 1666 */ | |
| 1667 StaticDtorDeclaration parseStaticDtor() | |
| 1668 { | |
| 1669 StaticDtorDeclaration f; | |
| 1670 Loc loc = this.loc; | |
| 1671 | |
| 1672 nextToken(); | |
| 1673 check(TOKthis); | |
| 1674 check(TOKlparen); | |
| 1675 check(TOKrparen); | |
| 1676 | |
| 1677 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1678 parseContracts(f); | |
| 1679 return f; | |
| 1680 } | |
| 1681 | |
| 1682 /***************************************** | |
| 1683 * Parse an invariant definition: | |
| 1684 * invariant() { body } | |
| 1685 * Current token is 'invariant'. | |
| 1686 */ | |
| 1687 InvariantDeclaration parseInvariant() | |
| 1688 { | |
| 1689 InvariantDeclaration f; | |
| 1690 Loc loc = this.loc; | |
| 1691 | |
| 1692 nextToken(); | |
| 1693 if (token.value == TOKlparen) // optional () | |
| 1694 { | |
| 1695 nextToken(); | |
| 1696 check(TOKrparen); | |
| 1697 } | |
| 1698 | |
| 1699 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1700 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1701 return f; | |
| 1702 } | |
| 1703 | |
| 1704 /***************************************** | |
| 1705 * Parse a unittest definition: | |
| 1706 * unittest { body } | |
| 1707 * Current token is 'unittest'. | |
| 1708 */ | |
| 1709 UnitTestDeclaration parseUnitTest() | |
| 1710 { | |
| 1711 Loc loc = this.loc; | |
| 1712 | |
| 1713 nextToken(); | |
| 1714 | |
| 1715 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1716 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1717 | |
| 1718 return f; | |
| 1719 } | |
| 1720 | |
| 123 | 1721 /***************************************** |
| 1722 * Parse a new definition: | |
| 1723 * new(arguments) { body } | |
| 1724 * Current token is 'new'. | |
| 1725 */ | |
| 0 | 1726 NewDeclaration parseNew() |
| 1727 { | |
| 123 | 1728 NewDeclaration f; |
| 1729 scope Arguments arguments = new Arguments(); | |
| 1730 int varargs; | |
| 1731 Loc loc = this.loc; | |
| 1732 | |
| 1733 nextToken(); | |
| 1734 arguments = parseParameters(&varargs); | |
| 1735 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1736 parseContracts(f); | |
| 1737 return f; | |
| 0 | 1738 } |
| 1739 | |
| 123 | 1740 /***************************************** |
| 1741 * Parse a delete definition: | |
| 1742 * delete(arguments) { body } | |
| 1743 * Current token is 'delete'. | |
| 1744 */ | |
| 0 | 1745 DeleteDeclaration parseDelete() |
| 1746 { | |
| 123 | 1747 DeleteDeclaration f; |
| 1748 scope Arguments arguments; | |
| 1749 int varargs; | |
| 1750 Loc loc = this.loc; | |
| 1751 | |
| 1752 nextToken(); | |
| 1753 arguments = parseParameters(&varargs); | |
| 1754 if (varargs) | |
| 1755 error("... not allowed in delete function parameter list"); | |
| 1756 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1757 parseContracts(f); | |
| 1758 return f; | |
| 0 | 1759 } |
| 1760 | |
| 1761 Arguments parseParameters(int* pvarargs) | |
| 1762 { | |
| 1763 Arguments arguments = new Arguments(); | |
| 1764 int varargs = 0; | |
| 1765 int hasdefault = 0; | |
| 1766 | |
| 1767 check(TOK.TOKlparen); | |
| 1768 while (1) | |
| 1769 { Type *tb; | |
| 1770 Identifier ai = null; | |
| 1771 Type at; | |
| 1772 Argument a; | |
| 1773 STC storageClass = STC.STCundefined; | |
| 1774 STC stc; | |
| 1775 Expression ae; | |
| 1776 | |
| 1777 for ( ;1; nextToken()) | |
| 1778 { | |
| 1779 switch (token.value) | |
| 1780 { | |
| 1781 case TOK.TOKrparen: | |
| 1782 break; | |
| 1783 | |
| 1784 case TOK.TOKdotdotdot: | |
| 1785 varargs = 1; | |
| 1786 nextToken(); | |
| 1787 break; | |
| 1788 | |
| 1789 case TOK.TOKconst: | |
| 1790 if (peek(&token).value == TOK.TOKlparen) | |
| 1791 goto Ldefault; | |
| 1792 stc = STC.STCconst; | |
| 1793 goto L2; | |
| 1794 | |
| 1795 case TOK.TOKinvariant: | |
| 1796 case TOK.TOKimmutable: | |
| 1797 if (peek(&token).value == TOK.TOKlparen) | |
| 1798 goto Ldefault; | |
| 1799 stc = STC.STCimmutable; | |
| 1800 goto L2; | |
| 1801 | |
| 1802 case TOK.TOKshared: | |
| 1803 if (peek(&token).value == TOK.TOKlparen) | |
| 1804 goto Ldefault; | |
| 1805 stc = STC.STCshared; | |
| 1806 goto L2; | |
| 1807 | |
| 1808 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1809 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1810 case TOK.TOKinout: | |
| 1811 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1812 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1813 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1814 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1815 L2: | |
| 1816 if (storageClass & stc || | |
| 1817 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1818 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1819 ) | |
| 1820 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1821 storageClass |= stc; | |
| 1822 composeStorageClass(storageClass); | |
| 1823 continue; | |
| 1824 | |
| 1825 static if (false) { | |
| 1826 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1827 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1828 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1829 L4: | |
| 1830 nextToken(); | |
| 1831 if (token.value == TOK.TOKidentifier) | |
| 1832 { ai = token.ident; | |
| 1833 nextToken(); | |
| 1834 } | |
| 1835 else | |
| 1836 ai = null; | |
| 1837 at = null; // no type | |
| 1838 ae = null; // no default argument | |
| 1839 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1840 { nextToken(); | |
| 1841 ae = parseDefaultInitExp(); | |
| 1842 hasdefault = 1; | |
| 1843 } | |
| 1844 else | |
| 1845 { if (hasdefault) | |
| 1846 error("default argument expected for alias %s", | |
| 1847 ai ? ai.toChars() : ""); | |
| 1848 } | |
| 1849 goto L3; | |
| 1850 } | |
| 1851 | |
| 1852 default: | |
| 1853 Ldefault: | |
| 1854 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1855 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1856 error("incompatible parameter storage classes"); | |
| 1857 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1858 error("out cannot be const"); | |
| 1859 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1860 error("out cannot be immutable"); | |
| 1861 if ((storageClass & STC.STCscope) && | |
| 1862 (storageClass & (STC.STCref | STC.STCout))) | |
| 1863 error("scope cannot be ref or out"); | |
| 1864 at = parseType(&ai); | |
| 1865 ae = null; | |
| 1866 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1867 { nextToken(); | |
| 1868 ae = parseDefaultInitExp(); | |
| 1869 hasdefault = 1; | |
| 1870 } | |
| 1871 else | |
| 1872 { if (hasdefault) | |
| 1873 error("default argument expected for %s", | |
| 1874 ai ? ai.toChars() : at.toChars()); | |
| 1875 } | |
| 1876 if (token.value == TOK.TOKdotdotdot) | |
| 1877 { /* This is: | |
| 1878 * at ai ... | |
| 1879 */ | |
| 1880 | |
| 1881 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1882 error("variadic argument cannot be out or ref"); | |
| 1883 varargs = 2; | |
| 1884 a = new Argument(storageClass, at, ai, ae); | |
| 1885 arguments.push(cast(void*)a); | |
| 1886 nextToken(); | |
| 1887 break; | |
| 1888 } | |
| 1889 L3: | |
| 1890 a = new Argument(storageClass, at, ai, ae); | |
| 1891 arguments.push(cast(void*)a); | |
| 1892 if (token.value == TOK.TOKcomma) | |
| 1893 { nextToken(); | |
| 1894 goto L1; | |
| 1895 } | |
| 1896 break; | |
| 1897 } | |
| 1898 break; | |
| 1899 } | |
| 1900 break; | |
| 1901 | |
| 1902 L1: ; | |
| 1903 } | |
| 1904 check(TOK.TOKrparen); | |
| 1905 *pvarargs = varargs; | |
| 1906 return arguments; | |
| 1907 } | |
| 1908 | |
| 1909 EnumDeclaration parseEnum() | |
| 1910 { | |
| 1911 EnumDeclaration e; | |
| 1912 Identifier id; | |
| 1913 Type memtype; | |
| 1914 Loc loc = this.loc; | |
| 1915 | |
| 1916 //printf("Parser.parseEnum()\n"); | |
| 1917 nextToken(); | |
| 1918 if (token.value == TOK.TOKidentifier) | |
| 1919 { | |
| 1920 id = token.ident; | |
| 1921 nextToken(); | |
| 1922 } | |
| 1923 else | |
| 1924 id = null; | |
| 1925 | |
| 1926 if (token.value == TOK.TOKcolon) | |
| 1927 { | |
| 1928 nextToken(); | |
| 1929 memtype = parseBasicType(); | |
| 1930 memtype = parseDeclarator(memtype, null, null); | |
| 1931 } | |
| 1932 else | |
| 1933 memtype = null; | |
| 1934 | |
| 1935 e = new EnumDeclaration(loc, id, memtype); | |
| 1936 if (token.value == TOK.TOKsemicolon && id) | |
| 1937 nextToken(); | |
| 1938 else if (token.value == TOK.TOKlcurly) | |
| 1939 { | |
| 1940 //printf("enum definition\n"); | |
|
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1941 e.members = new Dsymbols(); |
| 0 | 1942 nextToken(); |
| 79 | 1943 string comment = token.blockComment; |
| 0 | 1944 while (token.value != TOK.TOKrcurly) |
| 1945 { | |
| 1946 /* Can take the following forms: | |
| 1947 * 1. ident | |
| 1948 * 2. ident = value | |
| 1949 * 3. type ident = value | |
| 1950 */ | |
| 1951 | |
| 1952 loc = this.loc; | |
| 1953 | |
| 1954 Type type = null; | |
| 1955 Identifier ident; | |
| 1956 Token* tp = peek(&token); | |
| 1957 if (token.value == TOK.TOKidentifier && | |
| 1958 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1959 { | |
| 1960 ident = token.ident; | |
| 1961 type = null; | |
| 1962 nextToken(); | |
| 1963 } | |
| 1964 else | |
| 1965 { | |
| 1966 type = parseType(&ident, null); | |
| 1967 if (id || memtype) | |
| 1968 error("type only allowed if anonymous enum and no enum type"); | |
| 1969 } | |
| 1970 | |
| 1971 Expression value; | |
| 1972 if (token.value == TOK.TOKassign) | |
| 1973 { | |
| 1974 nextToken(); | |
| 1975 value = parseAssignExp(); | |
| 1976 } | |
| 1977 else | |
| 1978 { | |
| 1979 value = null; | |
| 1980 if (type) | |
| 1981 error("if type, there must be an initializer"); | |
| 1982 } | |
| 1983 | |
|
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1984 auto em = new EnumMember(loc, ident, value, type); |
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1985 e.members.push(em); |
| 0 | 1986 |
| 1987 if (token.value == TOK.TOKrcurly) { | |
| 1988 ; | |
| 1989 } else { | |
| 1990 addComment(em, comment); | |
| 1991 comment = null; | |
| 1992 check(TOK.TOKcomma); | |
| 1993 } | |
| 1994 addComment(em, comment); | |
| 1995 comment = token.blockComment; | |
| 1996 } | |
| 1997 nextToken(); | |
| 1998 } | |
| 1999 else | |
| 2000 error("enum declaration is invalid"); | |
| 2001 | |
| 2002 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2003 return e; | |
| 2004 } | |
| 2005 | |
| 2006 Dsymbol parseAggregate() | |
| 2007 { | |
| 2008 AggregateDeclaration a = null; | |
| 2009 int anon = 0; | |
| 2010 TOK tok; | |
| 2011 Identifier id; | |
| 2012 TemplateParameters tpl = null; | |
| 2013 Expression constraint = null; | |
| 2014 | |
| 2015 //printf("Parser.parseAggregate()\n"); | |
| 2016 tok = token.value; | |
| 2017 nextToken(); | |
| 2018 if (token.value != TOK.TOKidentifier) | |
| 2019 { | |
| 2020 id = null; | |
| 2021 } | |
| 2022 else | |
| 2023 { | |
| 2024 id = token.ident; | |
| 2025 nextToken(); | |
| 2026 | |
| 2027 if (token.value == TOK.TOKlparen) | |
| 2028 { | |
| 2029 // Class template declaration. | |
| 2030 | |
| 2031 // Gather template parameter list | |
| 2032 tpl = parseTemplateParameterList(); | |
| 2033 constraint = parseConstraint(); | |
| 2034 } | |
| 2035 } | |
| 2036 | |
| 2037 Loc loc = this.loc; | |
| 2038 switch (tok) | |
| 2039 { case TOK.TOKclass: | |
| 2040 case TOK.TOKinterface: | |
| 2041 { | |
| 2042 if (!id) | |
| 2043 error("anonymous classes not allowed"); | |
| 2044 | |
| 2045 // Collect base class(es) | |
| 2046 BaseClasses baseclasses = null; | |
| 2047 if (token.value == TOK.TOKcolon) | |
| 2048 { | |
| 2049 nextToken(); | |
| 2050 baseclasses = parseBaseClasses(); | |
| 2051 | |
| 2052 if (token.value != TOK.TOKlcurly) | |
| 2053 error("members expected"); | |
| 2054 } | |
| 2055 | |
| 2056 if (tok == TOK.TOKclass) | |
| 2057 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2058 else | |
| 2059 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2060 break; | |
| 2061 } | |
| 2062 | |
| 2063 case TOK.TOKstruct: | |
| 2064 if (id) | |
| 2065 a = new StructDeclaration(loc, id); | |
| 2066 else | |
| 2067 anon = 1; | |
| 2068 break; | |
| 2069 | |
| 2070 case TOK.TOKunion: | |
| 2071 if (id) | |
| 2072 a = new UnionDeclaration(loc, id); | |
| 2073 else | |
| 2074 anon = 2; | |
| 2075 break; | |
| 2076 | |
| 2077 default: | |
| 2078 assert(0); | |
| 2079 break; | |
| 2080 } | |
| 2081 if (a && token.value == TOK.TOKsemicolon) | |
| 2082 { nextToken(); | |
| 2083 } | |
| 2084 else if (token.value == TOK.TOKlcurly) | |
| 2085 { | |
| 2086 //printf("aggregate definition\n"); | |
| 2087 nextToken(); | |
|
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|
2088 auto decl = parseDeclDefs(0); |
| 0 | 2089 if (token.value != TOK.TOKrcurly) |
| 2090 error("} expected following member declarations in aggregate"); | |
| 2091 nextToken(); | |
| 2092 if (anon) | |
| 2093 { | |
| 2094 /* Anonymous structs/unions are more like attributes. | |
| 2095 */ | |
| 2096 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2097 } | |
| 2098 else | |
| 2099 a.members = decl; | |
| 2100 } | |
| 2101 else | |
| 2102 { | |
| 2103 error("{ } expected following aggregate declaration"); | |
| 2104 a = new StructDeclaration(loc, null); | |
| 2105 } | |
| 2106 | |
| 2107 if (tpl) | |
| 2108 { // Wrap a template around the aggregate declaration | |
| 2109 | |
|
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|
2110 auto decldefs = new Dsymbols(); |
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|
2111 decldefs.push(a); |
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|
2112 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2113 return tempdecl; |
| 2114 } | |
| 2115 | |
| 2116 return a; | |
| 2117 } | |
| 2118 | |
| 2119 BaseClasses parseBaseClasses() | |
| 2120 { | |
| 2121 BaseClasses baseclasses = new BaseClasses(); | |
| 2122 | |
| 2123 for (; 1; nextToken()) | |
| 2124 { | |
| 2125 PROT protection = PROT.PROTpublic; | |
| 2126 switch (token.value) | |
| 2127 { | |
| 2128 case TOK.TOKprivate: | |
| 2129 protection = PROT.PROTprivate; | |
| 2130 nextToken(); | |
| 2131 break; | |
| 2132 case TOK.TOKpackage: | |
| 2133 protection = PROT.PROTpackage; | |
| 2134 nextToken(); | |
| 2135 break; | |
| 2136 case TOK.TOKprotected: | |
| 2137 protection = PROT.PROTprotected; | |
| 2138 nextToken(); | |
| 2139 break; | |
| 2140 case TOK.TOKpublic: | |
| 2141 protection = PROT.PROTpublic; | |
| 2142 nextToken(); | |
| 2143 break; | |
| 2144 default: | |
| 2145 break; /// | |
| 2146 } | |
| 2147 if (token.value == TOK.TOKidentifier) | |
| 2148 { | |
| 2149 BaseClass b = new BaseClass(parseBasicType(), protection); | |
| 2150 baseclasses.push(cast(void*)b); | |
| 2151 if (token.value != TOK.TOKcomma) | |
| 2152 break; | |
| 2153 } | |
| 2154 else | |
| 2155 { | |
| 2156 error("base classes expected instead of %s", token.toChars()); | |
| 2157 return null; | |
| 2158 } | |
| 2159 } | |
| 2160 return baseclasses; | |
| 2161 } | |
| 2162 | |
|
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|
2163 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2164 { |
| 2165 Import s; | |
| 2166 Identifier id; | |
| 2167 Identifier aliasid = null; | |
| 2168 Array a; | |
| 2169 Loc loc; | |
| 2170 | |
| 2171 //printf("Parser.parseImport()\n"); | |
| 2172 do | |
| 2173 { | |
| 2174 L1: | |
| 2175 nextToken(); | |
| 2176 if (token.value != TOK.TOKidentifier) | |
| 2177 { | |
| 2178 error("Identifier expected following import"); | |
| 2179 break; | |
| 2180 } | |
| 2181 | |
| 2182 loc = this.loc; | |
| 2183 a = null; | |
| 2184 id = token.ident; | |
| 2185 nextToken(); | |
| 2186 if (!aliasid && token.value == TOK.TOKassign) | |
| 2187 { | |
| 2188 aliasid = id; | |
| 2189 goto L1; | |
| 2190 } | |
| 2191 while (token.value == TOK.TOKdot) | |
| 2192 { | |
| 2193 if (!a) | |
| 2194 a = new Array(); | |
| 2195 a.push(cast(void*)id); | |
| 2196 nextToken(); | |
| 2197 if (token.value != TOK.TOKidentifier) | |
| 2198 { | |
| 2199 error("identifier expected following package"); | |
| 2200 break; | |
| 2201 } | |
| 2202 id = token.ident; | |
| 2203 nextToken(); | |
| 2204 } | |
| 2205 | |
| 2206 s = new Import(loc, a, id, aliasid, isstatic); | |
|
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|
2207 decldefs.push(s); |
| 0 | 2208 |
| 2209 /* Look for | |
| 2210 * : alias=name, alias=name; | |
| 2211 * syntax. | |
| 2212 */ | |
| 2213 if (token.value == TOK.TOKcolon) | |
| 2214 { | |
| 2215 do | |
| 2216 { | |
| 2217 Identifier name; | |
| 2218 | |
| 2219 nextToken(); | |
| 2220 if (token.value != TOK.TOKidentifier) | |
| 2221 { | |
| 2222 error("Identifier expected following :"); | |
| 2223 break; | |
| 2224 } | |
| 2225 Identifier alias_ = token.ident; | |
| 2226 nextToken(); | |
| 2227 if (token.value == TOK.TOKassign) | |
| 2228 { | |
| 2229 nextToken(); | |
| 2230 if (token.value != TOK.TOKidentifier) | |
| 2231 { | |
| 2232 error("Identifier expected following %s=", alias_.toChars()); | |
| 2233 break; | |
| 2234 } | |
| 2235 name = token.ident; | |
| 2236 nextToken(); | |
| 2237 } | |
| 2238 else | |
| 2239 { | |
| 2240 name = alias_; | |
| 2241 alias_ = null; | |
| 2242 } | |
| 2243 s.addAlias(name, alias_); | |
| 2244 } while (token.value == TOK.TOKcomma); | |
| 2245 | |
| 2246 break; // no comma-separated imports of this form | |
| 2247 } | |
| 2248 | |
| 2249 aliasid = null; | |
| 2250 | |
| 2251 } while (token.value == TOK.TOKcomma); | |
| 2252 | |
| 2253 if (token.value == TOK.TOKsemicolon) | |
| 2254 nextToken(); | |
| 2255 else | |
| 2256 { | |
| 2257 error("';' expected"); | |
| 2258 nextToken(); | |
| 2259 } | |
| 2260 | |
| 2261 return null; | |
| 2262 } | |
| 2263 | |
| 2264 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2265 { | |
| 2266 Type t; | |
| 2267 | |
| 2268 /* Take care of the storage class prefixes that | |
| 2269 * serve as type attributes: | |
| 2270 * const shared, shared const, const, invariant, shared | |
| 2271 */ | |
| 2272 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2273 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2274 { | |
| 2275 nextToken(); | |
| 2276 nextToken(); | |
| 2277 /* shared const type | |
| 2278 */ | |
| 2279 t = parseType(pident, tpl); | |
| 2280 t = t.makeSharedConst(); | |
| 2281 return t; | |
| 2282 } | |
| 2283 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2284 { | |
| 2285 nextToken(); | |
| 2286 /* const type | |
| 2287 */ | |
| 2288 t = parseType(pident, tpl); | |
| 2289 t = t.makeConst(); | |
| 2290 return t; | |
| 2291 } | |
| 2292 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2293 peekNext() != TOK.TOKlparen) | |
| 2294 { | |
| 2295 nextToken(); | |
| 2296 /* invariant type | |
| 2297 */ | |
| 2298 t = parseType(pident, tpl); | |
| 2299 t = t.makeInvariant(); | |
| 2300 return t; | |
| 2301 } | |
| 2302 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2303 { | |
| 2304 nextToken(); | |
| 2305 /* shared type | |
| 2306 */ | |
| 2307 t = parseType(pident, tpl); | |
| 2308 t = t.makeShared(); | |
| 2309 return t; | |
| 2310 } | |
| 2311 else | |
| 2312 t = parseBasicType(); | |
| 2313 t = parseDeclarator(t, pident, tpl); | |
| 2314 return t; | |
| 2315 } | |
| 2316 | |
| 2317 Type parseBasicType() | |
| 2318 { | |
| 2319 Type t; | |
| 2320 Identifier id; | |
| 2321 TypeQualified tid; | |
| 2322 | |
| 2323 //printf("parseBasicType()\n"); | |
| 2324 switch (token.value) | |
| 2325 { | |
| 2326 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2327 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2328 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2329 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2330 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2331 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2332 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2333 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2334 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2335 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2336 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2337 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2338 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2339 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2340 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2341 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2342 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2343 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2344 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2345 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2346 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2347 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2348 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2349 LabelX: | |
| 2350 nextToken(); | |
| 2351 break; | |
| 2352 | |
| 2353 case TOK.TOKidentifier: | |
| 2354 id = token.ident; | |
| 2355 nextToken(); | |
| 2356 if (token.value == TOK.TOKnot) | |
| 2357 { // ident!(template_arguments) | |
| 2358 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2359 nextToken(); | |
| 2360 if (token.value == TOK.TOKlparen) | |
| 2361 // ident!(template_arguments) | |
| 2362 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2363 else | |
| 2364 // ident!template_argument | |
| 2365 tempinst.tiargs = parseTemplateArgument(); | |
| 2366 tid = new TypeInstance(loc, tempinst); | |
| 2367 goto Lident2; | |
| 2368 } | |
| 2369 Lident: | |
| 2370 tid = new TypeIdentifier(loc, id); | |
| 2371 Lident2: | |
| 2372 while (token.value == TOK.TOKdot) | |
| 2373 { nextToken(); | |
| 2374 if (token.value != TOK.TOKidentifier) | |
| 2375 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2376 break; | |
| 2377 } | |
| 2378 id = token.ident; | |
| 2379 nextToken(); | |
| 2380 if (token.value == TOK.TOKnot) | |
| 2381 { | |
| 2382 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2383 nextToken(); | |
| 2384 if (token.value == TOK.TOKlparen) | |
| 2385 // ident!(template_arguments) | |
| 2386 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2387 else | |
| 2388 // ident!template_argument | |
| 2389 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2390 tid.addIdent(tempinst); |
| 0 | 2391 } |
| 2392 else | |
| 2393 tid.addIdent(id); | |
| 2394 } | |
| 2395 t = tid; | |
| 2396 break; | |
| 2397 | |
| 2398 case TOK.TOKdot: | |
| 2399 // Leading . as in .foo | |
| 2400 id = Id.empty; | |
| 2401 goto Lident; | |
| 2402 | |
| 2403 case TOK.TOKtypeof: | |
| 2404 // typeof(expression) | |
| 2405 tid = parseTypeof(); | |
| 2406 goto Lident2; | |
| 2407 | |
| 2408 case TOK.TOKconst: | |
| 2409 // const(type) | |
| 2410 nextToken(); | |
| 2411 check(TOK.TOKlparen); | |
| 2412 t = parseType(); | |
| 2413 check(TOK.TOKrparen); | |
| 2414 if (t.isShared()) | |
| 2415 t = t.makeSharedConst(); | |
| 2416 else | |
| 2417 t = t.makeConst(); | |
| 2418 break; | |
| 2419 | |
| 2420 case TOK.TOKinvariant: | |
| 2421 case TOK.TOKimmutable: | |
| 2422 // invariant(type) | |
| 2423 nextToken(); | |
| 2424 check(TOK.TOKlparen); | |
| 2425 t = parseType(); | |
| 2426 check(TOK.TOKrparen); | |
| 2427 t = t.makeInvariant(); | |
| 2428 break; | |
| 2429 | |
| 2430 case TOK.TOKshared: | |
| 2431 // shared(type) | |
| 2432 nextToken(); | |
| 2433 check(TOK.TOKlparen); | |
| 2434 t = parseType(); | |
| 2435 check(TOK.TOKrparen); | |
| 2436 if (t.isConst()) | |
| 2437 t = t.makeSharedConst(); | |
| 2438 else | |
| 2439 t = t.makeShared(); | |
| 2440 break; | |
| 2441 | |
| 2442 default: | |
| 2443 error("basic type expected, not %s", token.toChars()); | |
| 2444 t = Type.tint32; | |
| 2445 break; | |
| 2446 } | |
| 2447 return t; | |
| 2448 } | |
| 2449 | |
| 2450 Type parseBasicType2(Type t) | |
| 2451 { | |
| 79 | 2452 //writef("parseBasicType2()\n"); |
| 0 | 2453 while (1) |
| 2454 { | |
| 79 | 2455 switch (token.value) |
| 0 | 2456 { |
| 79 | 2457 case TOK.TOKmul: |
| 2458 t = new TypePointer(t); | |
| 2459 nextToken(); | |
| 2460 continue; | |
| 2461 | |
| 2462 case TOK.TOKlbracket: | |
| 2463 // Handle []. Make sure things like | |
| 2464 // int[3][1] a; | |
| 2465 // is (array[1] of array[3] of int) | |
| 0 | 2466 nextToken(); |
| 79 | 2467 if (token.value == TOK.TOKrbracket) |
| 2468 { | |
| 2469 t = new TypeDArray(t); // [] | |
| 2470 nextToken(); | |
| 2471 } | |
| 2472 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2473 { |
| 79 | 2474 t = new TypeNewArray(t); // [new] |
| 2475 nextToken(); | |
| 2476 nextToken(); | |
| 2477 } | |
| 2478 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2479 { // It's an associative array declaration | |
| 2480 | |
| 2481 //printf("it's an associative array\n"); | |
| 2482 Type index = parseType(); // [ type ] | |
| 2483 t = new TypeAArray(t, index); | |
| 2484 check(TOK.TOKrbracket); | |
| 0 | 2485 } |
| 2486 else | |
| 79 | 2487 { |
| 2488 //printf("it's type[expression]\n"); | |
| 2489 inBrackets++; | |
| 2490 Expression e = parseExpression(); // [ expression ] | |
| 2491 if (token.value == TOK.TOKslice) | |
| 2492 { | |
| 2493 nextToken(); | |
| 2494 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2495 t = new TypeSlice(t, e, e2); | |
| 2496 } | |
| 2497 else | |
| 2498 t = new TypeSArray(t,e); | |
| 2499 inBrackets--; | |
| 2500 check(TOK.TOKrbracket); | |
| 2501 } | |
| 2502 continue; | |
| 2503 | |
| 2504 case TOK.TOKdelegate: | |
| 2505 case TOK.TOKfunction: | |
| 2506 { // Handle delegate declaration: | |
| 2507 // t delegate(parameter list) nothrow pure | |
| 2508 // t function(parameter list) nothrow pure | |
| 2509 Arguments arguments; | |
| 2510 int varargs; | |
| 2511 bool ispure = false; | |
| 2512 bool isnothrow = false; | |
| 2513 TOK save = token.value; | |
| 2514 | |
| 2515 nextToken(); | |
| 2516 arguments = parseParameters(&varargs); | |
| 2517 while (1) | |
| 2518 { // Postfixes | |
| 2519 if (token.value == TOK.TOKpure) | |
| 2520 ispure = true; | |
| 2521 else if (token.value == TOK.TOKnothrow) | |
| 2522 isnothrow = true; | |
| 2523 else | |
| 2524 break; | |
| 2525 nextToken(); | |
| 2526 } | |
| 2527 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2528 tf.ispure = ispure; | |
| 2529 tf.isnothrow = isnothrow; | |
| 2530 if (save == TOK.TOKdelegate) | |
| 2531 t = new TypeDelegate(tf); | |
| 0 | 2532 else |
| 79 | 2533 t = new TypePointer(tf); // pointer to function |
| 2534 continue; | |
| 2535 } | |
| 2536 | |
| 2537 default: | |
| 2538 return t; | |
| 2539 } | |
| 2540 assert(0); | |
| 0 | 2541 } |
| 2542 assert(0); | |
| 2543 return null; | |
| 2544 } | |
| 2545 | |
| 2546 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2547 { | |
| 2548 Type ts; | |
| 2549 | |
| 2550 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2551 t = parseBasicType2(t); | |
| 2552 | |
| 2553 switch (token.value) | |
| 2554 { | |
| 2555 | |
| 2556 case TOK.TOKidentifier: | |
| 2557 if (pident) | |
| 2558 *pident = token.ident; | |
| 2559 else | |
| 2560 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2561 ts = t; | |
| 2562 nextToken(); | |
| 2563 break; | |
| 2564 | |
| 2565 case TOK.TOKlparen: | |
| 2566 /* Parse things with parentheses around the identifier, like: | |
| 2567 * int (*ident[3])[] | |
| 2568 * although the D style would be: | |
| 2569 * int[]*[3] ident | |
| 2570 */ | |
| 2571 nextToken(); | |
| 2572 ts = parseDeclarator(t, pident); | |
| 2573 check(TOK.TOKrparen); | |
| 2574 break; | |
| 2575 | |
| 2576 default: | |
| 2577 ts = t; | |
| 2578 break; | |
| 2579 } | |
| 2580 | |
| 2581 // parse DeclaratorSuffixes | |
| 2582 while (1) | |
| 2583 { | |
| 2584 switch (token.value) | |
| 2585 { | |
| 2586 version (CARRAYDECL) { | |
| 2587 /* Support C style array syntax: | |
| 2588 * int ident[] | |
| 2589 * as opposed to D-style: | |
| 2590 * int[] ident | |
| 2591 */ | |
| 2592 case TOK.TOKlbracket: | |
| 2593 { // This is the old C-style post [] syntax. | |
| 2594 TypeNext ta; | |
| 2595 nextToken(); | |
| 2596 if (token.value == TOK.TOKrbracket) | |
| 2597 { // It's a dynamic array | |
| 2598 ta = new TypeDArray(t); // [] | |
| 2599 nextToken(); | |
| 2600 } | |
| 79 | 2601 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2602 { | |
| 2603 t = new TypeNewArray(t); // [new] | |
| 2604 nextToken(); | |
| 2605 nextToken(); | |
| 2606 } | |
| 0 | 2607 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2608 { // It's an associative array | |
| 2609 | |
| 2610 //printf("it's an associative array\n"); | |
| 2611 Type index = parseType(); // [ type ] | |
| 2612 check(TOK.TOKrbracket); | |
| 2613 ta = new TypeAArray(t, index); | |
| 2614 } | |
| 2615 else | |
| 2616 { | |
| 2617 //printf("It's a static array\n"); | |
| 2618 Expression e = parseExpression(); // [ expression ] | |
| 2619 ta = new TypeSArray(t, e); | |
| 2620 check(TOK.TOKrbracket); | |
| 2621 } | |
| 2622 | |
| 2623 /* Insert ta into | |
| 2624 * ts . ... . t | |
| 2625 * so that | |
| 2626 * ts . ... . ta . t | |
| 2627 */ | |
| 2628 Type* pt; | |
| 2629 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2630 ; | |
| 2631 } | |
| 2632 *pt = ta; | |
| 2633 continue; | |
| 2634 } | |
| 2635 } | |
| 2636 case TOK.TOKlparen: | |
| 2637 { | |
| 2638 if (tpl) | |
| 2639 { | |
| 2640 /* Look ahead to see if this is (...)(...), | |
| 2641 * i.e. a function template declaration | |
| 2642 */ | |
| 2643 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2644 { | |
| 2645 //printf("function template declaration\n"); | |
| 2646 | |
| 2647 // Gather template parameter list | |
| 2648 *tpl = parseTemplateParameterList(); | |
| 2649 } | |
| 2650 } | |
| 2651 | |
| 2652 int varargs; | |
| 2653 Arguments arguments = parseParameters(&varargs); | |
| 2654 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2655 | |
| 2656 /* Parse const/invariant/nothrow/pure postfix | |
| 2657 */ | |
| 2658 while (1) | |
| 2659 { | |
| 2660 switch (token.value) | |
| 2661 { | |
| 2662 case TOK.TOKconst: | |
| 2663 if (tf.isShared()) | |
| 2664 tf = tf.makeSharedConst(); | |
| 2665 else | |
| 2666 tf = tf.makeConst(); | |
| 2667 nextToken(); | |
| 2668 continue; | |
| 2669 | |
| 2670 case TOK.TOKinvariant: | |
| 2671 case TOK.TOKimmutable: | |
| 2672 tf = tf.makeInvariant(); | |
| 2673 nextToken(); | |
| 2674 continue; | |
| 2675 | |
| 2676 case TOK.TOKshared: | |
| 2677 if (tf.isConst()) | |
| 2678 tf = tf.makeSharedConst(); | |
| 2679 else | |
| 2680 tf = tf.makeShared(); | |
| 2681 nextToken(); | |
| 2682 continue; | |
| 2683 | |
| 2684 case TOK.TOKnothrow: | |
| 2685 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2686 nextToken(); | |
| 2687 continue; | |
| 2688 | |
| 2689 case TOK.TOKpure: | |
| 2690 (cast(TypeFunction)tf).ispure = 1; | |
| 2691 nextToken(); | |
| 2692 continue; | |
| 2693 | |
| 2694 case TOK.TOKat: | |
| 2695 nextToken(); | |
| 2696 if (token.value != TOK.TOKidentifier) | |
| 2697 { error("attribute identifier expected"); | |
| 2698 nextToken(); | |
| 2699 continue; | |
| 2700 } | |
| 2701 Identifier id = token.ident; | |
| 2702 if (id is Id.property) | |
| 96 | 2703 (cast(TypeFunction)tf).isproperty = 1; |
| 0 | 2704 else |
| 96 | 2705 error("valid attribute identifiers are @property, not @%s", id.toChars()); |
| 0 | 2706 nextToken(); |
| 2707 continue; | |
| 2708 default: | |
| 2709 break; /// | |
| 2710 } | |
| 2711 break; | |
| 2712 } | |
| 2713 | |
| 2714 /* Insert tf into | |
| 2715 * ts . ... . t | |
| 2716 * so that | |
| 2717 * ts . ... . tf . t | |
| 2718 */ | |
| 2719 Type* pt; | |
| 2720 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2721 ; | |
| 2722 } | |
| 2723 *pt = tf; | |
| 2724 break; | |
| 2725 } | |
| 2726 | |
| 2727 default: | |
| 2728 break; /// | |
| 2729 } | |
| 2730 break; | |
| 2731 } | |
| 2732 | |
| 2733 return ts; | |
| 2734 } | |
| 2735 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2736 Dsymbols parseDeclarations(STC storage_class) |
| 0 | 2737 { |
| 2738 STC stc; | |
| 2739 Type ts; | |
| 2740 Type t; | |
| 2741 Type tfirst; | |
| 2742 Identifier ident; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2743 Dsymbols a; |
| 0 | 2744 TOK tok = TOK.TOKreserved; |
| 79 | 2745 string comment = token.blockComment; |
| 0 | 2746 LINK link = linkage; |
| 2747 | |
| 2748 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2749 if (storage_class) | |
| 2750 { ts = null; // infer type | |
| 2751 goto L2; | |
| 2752 } | |
| 2753 | |
| 2754 switch (token.value) | |
| 2755 { | |
| 2756 case TOK.TOKalias: | |
| 2757 /* Look for: | |
| 2758 * alias identifier this; | |
| 2759 */ | |
| 2760 tok = token.value; | |
| 2761 nextToken(); | |
| 2762 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2763 { | |
| 2764 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2765 nextToken(); | |
| 2766 check(TOK.TOKthis); | |
| 2767 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
|
2768 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2769 a.push(s); |
| 0 | 2770 addComment(s, comment); |
| 2771 return a; | |
| 2772 } | |
| 2773 break; | |
| 2774 case TOK.TOKtypedef: | |
| 2775 tok = token.value; | |
| 2776 nextToken(); | |
| 2777 break; | |
| 2778 default: | |
| 2779 break; | |
| 2780 } | |
| 2781 | |
| 2782 storage_class = STC.STCundefined; | |
| 2783 while (1) | |
| 2784 { | |
| 2785 switch (token.value) | |
| 2786 { | |
| 2787 case TOK.TOKconst: | |
| 2788 if (peek(&token).value == TOK.TOKlparen) | |
| 2789 break; // const as type constructor | |
| 2790 stc = STC.STCconst; // const as storage class | |
| 2791 goto L1; | |
| 2792 | |
| 2793 case TOK.TOKinvariant: | |
| 2794 case TOK.TOKimmutable: | |
| 2795 if (peek(&token).value == TOK.TOKlparen) | |
| 2796 break; | |
| 2797 stc = STC.STCimmutable; | |
| 2798 goto L1; | |
| 2799 | |
| 2800 case TOK.TOKshared: | |
| 2801 if (peek(&token).value == TOK.TOKlparen) | |
| 2802 break; | |
| 2803 stc = STC.STCshared; | |
| 2804 goto L1; | |
| 2805 | |
| 2806 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2807 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2808 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2809 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2810 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2811 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2812 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2813 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2814 version (DMDV2) { | |
| 2815 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2816 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2817 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2818 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2819 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2820 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2821 } | |
| 2822 L1: | |
| 2823 if (storage_class & stc) | |
| 2824 error("redundant storage class '%s'", token.toChars()); | |
| 2825 storage_class = (storage_class | stc); | |
| 2826 composeStorageClass(storage_class); | |
| 2827 nextToken(); | |
| 2828 continue; | |
| 2829 | |
| 2830 case TOK.TOKextern: | |
| 2831 if (peek(&token).value != TOK.TOKlparen) | |
| 2832 { stc = STC.STCextern; | |
| 2833 goto L1; | |
| 2834 } | |
| 2835 | |
| 2836 link = parseLinkage(); | |
| 2837 continue; | |
| 2838 | |
| 2839 default: | |
| 2840 break; | |
| 2841 } | |
| 2842 break; | |
| 2843 } | |
| 2844 | |
| 2845 /* Look for auto initializers: | |
| 2846 * storage_class identifier = initializer; | |
| 2847 */ | |
| 2848 if (storage_class && | |
| 2849 token.value == TOK.TOKidentifier && | |
| 2850 peek(&token).value == TOK.TOKassign) | |
| 2851 { | |
| 2852 return parseAutoDeclarations(storage_class, comment); | |
| 2853 } | |
| 2854 | |
| 2855 if (token.value == TOK.TOKclass) | |
| 2856 { | |
| 2857 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2858 s.storage_class |= storage_class; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2859 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2860 a.push(s); |
| 0 | 2861 addComment(s, comment); |
| 2862 return a; | |
| 2863 } | |
| 2864 | |
| 2865 /* Look for return type inference for template functions. | |
| 2866 */ | |
| 2867 { | |
| 2868 Token *tk; | |
| 2869 if (storage_class && | |
| 2870 token.value == TOK.TOKidentifier && | |
| 2871 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2872 skipParens(tk, &tk) && | |
| 2873 peek(tk).value == TOK.TOKlparen) | |
| 2874 { | |
| 2875 ts = null; | |
| 2876 } | |
| 2877 else | |
| 2878 { | |
| 2879 ts = parseBasicType(); | |
| 2880 ts = parseBasicType2(ts); | |
| 2881 } | |
| 2882 } | |
| 2883 | |
| 2884 L2: | |
| 2885 tfirst = null; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2886 a = new Dsymbols(); |
| 0 | 2887 |
| 2888 while (1) | |
| 2889 { | |
| 2890 Loc loc = this.loc; | |
| 2891 TemplateParameters tpl = null; | |
| 2892 | |
| 2893 ident = null; | |
| 2894 t = parseDeclarator(ts, &ident, &tpl); | |
| 2895 assert(t); | |
| 2896 if (!tfirst) | |
| 2897 tfirst = t; | |
| 2898 else if (t != tfirst) | |
| 2899 error("multiple declarations must have the same type, not %s and %s", | |
| 2900 tfirst.toChars(), t.toChars()); | |
| 2901 if (!ident) | |
| 2902 error("no identifier for declarator %s", t.toChars()); | |
| 2903 | |
| 2904 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2905 { Declaration v; | |
| 2906 Initializer init = null; | |
| 2907 | |
| 2908 if (token.value == TOK.TOKassign) | |
| 2909 { | |
| 2910 nextToken(); | |
| 2911 init = parseInitializer(); | |
| 2912 } | |
| 2913 if (tok == TOK.TOKtypedef) | |
| 2914 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2915 else | |
| 2916 { if (init) | |
| 2917 error("alias cannot have initializer"); | |
| 2918 v = new AliasDeclaration(loc, ident, t); | |
| 2919 } | |
| 2920 v.storage_class = storage_class; | |
| 2921 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
|
2922 a.push(v); |
| 0 | 2923 else |
| 2924 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2925 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
|
2926 ax.push(v); |
| 0 | 2927 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
|
2928 a.push(s); |
| 0 | 2929 } |
| 2930 switch (token.value) | |
| 2931 { case TOK.TOKsemicolon: | |
| 2932 nextToken(); | |
| 2933 addComment(v, comment); | |
| 2934 break; | |
| 2935 | |
| 2936 case TOK.TOKcomma: | |
| 2937 nextToken(); | |
| 2938 addComment(v, comment); | |
| 2939 continue; | |
| 2940 | |
| 2941 default: | |
| 2942 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2943 break; | |
| 2944 } | |
| 2945 } | |
| 2946 else if (t.ty == TY.Tfunction) | |
| 2947 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2948 auto tf = cast(TypeFunction)t; |
| 0 | 2949 Expression constraint = null; |
| 2950 static if (false) { | |
| 2951 if (Argument.isTPL(tf.parameters)) | |
| 2952 { | |
| 2953 if (!tpl) | |
| 2954 tpl = new TemplateParameters(); | |
| 2955 } | |
| 2956 } | |
| 2957 FuncDeclaration f = | |
| 2958 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2959 addComment(f, comment); | |
| 2960 if (tpl) | |
| 2961 constraint = parseConstraint(); | |
| 2962 parseContracts(f); | |
| 2963 addComment(f, null); | |
| 2964 Dsymbol s; | |
| 2965 if (link == linkage) | |
| 2966 { | |
| 2967 s = f; | |
| 2968 } | |
| 2969 else | |
| 2970 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2971 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
|
2972 ax.push(f); |
| 0 | 2973 s = new LinkDeclaration(link, ax); |
| 2974 } | |
| 2975 /* A template parameter list means it's a function template | |
| 2976 */ | |
| 2977 if (tpl) | |
| 2978 { | |
| 2979 // 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
|
2980 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
|
2981 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2982 auto tempdecl = |
| 0 | 2983 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 2984 s = tempdecl; | |
| 2985 } | |
| 2986 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
|
2987 a.push(s); |
| 0 | 2988 } |
| 2989 else | |
| 2990 { | |
| 2991 Initializer init = null; | |
| 2992 if (token.value == TOK.TOKassign) | |
| 2993 { | |
| 2994 nextToken(); | |
| 2995 init = parseInitializer(); | |
| 2996 } | |
| 2997 | |
| 2998 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2999 v.storage_class = storage_class; | |
| 3000 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
|
3001 a.push(v); |
| 0 | 3002 else |
| 3003 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3004 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
|
3005 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3006 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
|
3007 a.push(s); |
| 0 | 3008 } |
| 3009 switch (token.value) | |
| 3010 { case TOK.TOKsemicolon: | |
| 3011 nextToken(); | |
| 3012 addComment(v, comment); | |
| 3013 break; | |
| 3014 | |
| 3015 case TOK.TOKcomma: | |
| 3016 nextToken(); | |
| 3017 addComment(v, comment); | |
| 3018 continue; | |
| 3019 | |
| 3020 default: | |
| 3021 error("semicolon expected, not '%s'", token.toChars()); | |
| 3022 break; | |
| 3023 } | |
| 3024 } | |
| 3025 break; | |
| 3026 } | |
| 3027 return a; | |
| 3028 } | |
| 3029 | |
| 3030 void parseContracts(FuncDeclaration f) | |
| 3031 { | |
| 3032 Type tb; | |
| 3033 LINK linksave = linkage; | |
| 3034 | |
| 3035 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3036 // TypeFunction.semantic | |
| 3037 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3038 L1: | |
| 3039 switch (token.value) | |
| 3040 { | |
| 3041 case TOK.TOKlcurly: | |
| 3042 if (f.frequire || f.fensure) | |
| 3043 error("missing body { ... } after in or out"); | |
| 3044 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3045 f.endloc = endloc; | |
| 3046 break; | |
| 3047 | |
| 3048 case TOK.TOKbody: | |
| 3049 nextToken(); | |
| 3050 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3051 f.endloc = endloc; | |
| 3052 break; | |
| 3053 | |
| 3054 case TOK.TOKsemicolon: | |
| 3055 if (f.frequire || f.fensure) | |
| 3056 error("missing body { ... } after in or out"); | |
| 3057 nextToken(); | |
| 3058 break; | |
| 3059 | |
| 3060 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3061 // int x, y, foo(), z; | |
| 3062 case TOK.TOKcomma: | |
| 3063 nextToken(); | |
| 3064 continue; | |
| 3065 } | |
| 3066 | |
| 3067 static if (false) { // Dumped feature | |
| 3068 case TOK.TOKthrow: | |
| 3069 if (!f.fthrows) | |
| 3070 f.fthrows = new Array(); | |
| 3071 nextToken(); | |
| 3072 check(TOK.TOKlparen); | |
| 3073 while (1) | |
| 3074 { | |
| 3075 tb = parseBasicType(); | |
| 3076 f.fthrows.push(tb); | |
| 3077 if (token.value == TOK.TOKcomma) | |
| 3078 { nextToken(); | |
| 3079 continue; | |
| 3080 } | |
| 3081 break; | |
| 3082 } | |
| 3083 check(TOK.TOKrparen); | |
| 3084 goto L1; | |
| 3085 } | |
| 3086 | |
| 3087 case TOK.TOKin: | |
| 3088 nextToken(); | |
| 3089 if (f.frequire) | |
| 3090 error("redundant 'in' statement"); | |
| 3091 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3092 goto L1; | |
| 3093 | |
| 3094 case TOK.TOKout: | |
| 3095 // parse: out (identifier) { statement } | |
| 3096 nextToken(); | |
| 3097 if (token.value != TOK.TOKlcurly) | |
| 3098 { | |
| 3099 check(TOK.TOKlparen); | |
| 3100 if (token.value != TOK.TOKidentifier) | |
| 3101 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3102 f.outId = token.ident; | |
| 3103 nextToken(); | |
| 3104 check(TOK.TOKrparen); | |
| 3105 } | |
| 3106 if (f.fensure) | |
| 3107 error("redundant 'out' statement"); | |
| 3108 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3109 goto L1; | |
| 3110 | |
| 3111 default: | |
| 3112 error("semicolon expected following function declaration"); | |
| 3113 break; | |
| 3114 } | |
| 3115 linkage = linksave; | |
| 3116 } | |
| 3117 | |
| 3118 Statement parseStatement(ParseStatementFlags flags) | |
| 3119 { | |
| 3120 Statement s; | |
| 3121 Token* t; | |
| 3122 Condition condition; | |
| 3123 Statement ifbody; | |
| 3124 Statement elsebody; | |
| 3125 bool isfinal; | |
| 3126 Loc loc = this.loc; | |
| 3127 | |
| 3128 //printf("parseStatement()\n"); | |
| 3129 | |
| 3130 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3131 error("statement expected to be { }, not %s", token.toChars()); | |
| 3132 | |
| 3133 switch (token.value) | |
| 3134 { | |
| 3135 case TOK.TOKidentifier: | |
| 3136 /* A leading identifier can be a declaration, label, or expression. | |
| 3137 * The easiest case to check first is label: | |
| 3138 */ | |
| 3139 t = peek(&token); | |
| 3140 if (t.value == TOK.TOKcolon) | |
| 3141 { // It's a label | |
| 3142 | |
| 3143 Identifier ident = token.ident; | |
| 3144 nextToken(); | |
| 3145 nextToken(); | |
| 3146 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3147 s = new LabelStatement(loc, ident, s); | |
| 3148 break; | |
| 3149 } | |
| 3150 // fallthrough to TOK.TOKdot | |
| 3151 case TOK.TOKdot: | |
| 3152 case TOK.TOKtypeof: | |
| 3153 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3154 goto Ldeclaration; | |
| 3155 else | |
| 3156 goto Lexp; | |
| 3157 break; | |
| 3158 | |
| 3159 case TOK.TOKassert: | |
| 3160 case TOK.TOKthis: | |
| 3161 case TOK.TOKsuper: | |
| 3162 case TOK.TOKint32v: | |
| 3163 case TOK.TOKuns32v: | |
| 3164 case TOK.TOKint64v: | |
| 3165 case TOK.TOKuns64v: | |
| 3166 case TOK.TOKfloat32v: | |
| 3167 case TOK.TOKfloat64v: | |
| 3168 case TOK.TOKfloat80v: | |
| 3169 case TOK.TOKimaginary32v: | |
| 3170 case TOK.TOKimaginary64v: | |
| 3171 case TOK.TOKimaginary80v: | |
| 3172 case TOK.TOKcharv: | |
| 3173 case TOK.TOKwcharv: | |
| 3174 case TOK.TOKdcharv: | |
| 3175 case TOK.TOKnull: | |
| 3176 case TOK.TOKtrue: | |
| 3177 case TOK.TOKfalse: | |
| 3178 case TOK.TOKstring: | |
| 3179 case TOK.TOKlparen: | |
| 3180 case TOK.TOKcast: | |
| 3181 case TOK.TOKmul: | |
| 3182 case TOK.TOKmin: | |
| 3183 case TOK.TOKadd: | |
| 3184 case TOK.TOKplusplus: | |
| 3185 case TOK.TOKminusminus: | |
| 3186 case TOK.TOKnew: | |
| 3187 case TOK.TOKdelete: | |
| 3188 case TOK.TOKdelegate: | |
| 3189 case TOK.TOKfunction: | |
| 3190 case TOK.TOKtypeid: | |
| 3191 case TOK.TOKis: | |
| 3192 case TOK.TOKlbracket: | |
| 3193 version (DMDV2) { | |
| 3194 case TOK.TOKtraits: | |
| 3195 case TOK.TOKfile: | |
| 3196 case TOK.TOKline: | |
| 3197 } | |
| 3198 Lexp: | |
| 3199 { Expression exp; | |
| 3200 | |
| 3201 exp = parseExpression(); | |
| 3202 check(TOK.TOKsemicolon, "statement"); | |
| 3203 s = new ExpStatement(loc, exp); | |
| 3204 break; | |
| 3205 } | |
| 3206 | |
| 3207 case TOK.TOKstatic: | |
| 3208 { // Look ahead to see if it's static assert() or static if() | |
| 3209 Token *tt; | |
| 3210 | |
| 3211 tt = peek(&token); | |
| 3212 if (tt.value == TOK.TOKassert) | |
| 3213 { | |
| 3214 nextToken(); | |
| 3215 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3216 break; | |
| 3217 } | |
| 3218 if (tt.value == TOK.TOKif) | |
| 3219 { | |
| 3220 nextToken(); | |
| 3221 condition = parseStaticIfCondition(); | |
| 3222 goto Lcondition; | |
| 3223 } | |
| 3224 goto Ldeclaration; | |
| 3225 } | |
| 3226 | |
| 3227 case TOK.TOKfinal: | |
| 3228 if (peekNext() == TOK.TOKswitch) | |
| 3229 { | |
| 3230 nextToken(); | |
| 3231 isfinal = true; | |
| 3232 goto Lswitch; | |
| 3233 } | |
| 3234 goto Ldeclaration; | |
| 3235 | |
| 3236 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3237 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3238 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3239 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3240 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3241 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3242 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3243 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3244 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3245 case TOK.TOKvoid: | |
| 3246 case TOK.TOKtypedef: | |
| 3247 case TOK.TOKalias: | |
| 3248 case TOK.TOKconst: | |
| 3249 case TOK.TOKauto: | |
| 3250 case TOK.TOKextern: | |
| 3251 case TOK.TOKinvariant: | |
| 3252 version (DMDV2) { | |
| 3253 case TOK.TOKimmutable: | |
| 3254 case TOK.TOKshared: | |
| 3255 case TOK.TOKnothrow: | |
| 3256 case TOK.TOKpure: | |
| 3257 case TOK.TOKtls: | |
| 3258 case TOK.TOKgshared: | |
| 3259 } | |
| 3260 // case TOK.TOKtypeof: | |
| 3261 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3262 { Dsymbols a; |
| 0 | 3263 |
| 3264 a = parseDeclarations(STC.STCundefined); | |
| 3265 if (a.dim > 1) | |
| 3266 { | |
| 3267 Statements as = new Statements(); | |
| 3268 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3269 foreach(Dsymbol d; a) |
| 0 | 3270 { |
| 3271 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3272 as.push(s); |
| 0 | 3273 } |
| 3274 s = new CompoundDeclarationStatement(loc, as); | |
| 3275 } | |
| 3276 else if (a.dim == 1) | |
| 3277 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3278 auto d = a[0]; |
| 0 | 3279 s = new DeclarationStatement(loc, d); |
| 3280 } | |
| 3281 else | |
| 3282 assert(0); | |
| 3283 if (flags & ParseStatementFlags.PSscope) | |
| 3284 s = new ScopeStatement(loc, s); | |
| 3285 break; | |
| 3286 } | |
| 3287 | |
| 3288 case TOK.TOKstruct: | |
| 3289 case TOK.TOKunion: | |
| 3290 case TOK.TOKclass: | |
| 3291 case TOK.TOKinterface: | |
| 3292 { Dsymbol d; | |
| 3293 | |
| 3294 d = parseAggregate(); | |
| 3295 s = new DeclarationStatement(loc, d); | |
| 3296 break; | |
| 3297 } | |
| 3298 | |
| 3299 case TOK.TOKenum: | |
| 3300 { /* Determine if this is a manifest constant declaration, | |
| 3301 * or a conventional enum. | |
| 3302 */ | |
| 3303 Dsymbol d; | |
| 3304 Token* tt = peek(&token); | |
| 3305 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3306 d = parseEnum(); | |
| 3307 else if (tt.value != TOK.TOKidentifier) | |
| 3308 goto Ldeclaration; | |
| 3309 else | |
| 3310 { | |
| 3311 tt = peek(tt); | |
| 3312 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3313 tt.value == TOK.TOKsemicolon) | |
| 3314 d = parseEnum(); | |
| 3315 else | |
| 3316 goto Ldeclaration; | |
| 3317 } | |
| 3318 s = new DeclarationStatement(loc, d); | |
| 3319 break; | |
| 3320 } | |
| 3321 | |
| 3322 case TOK.TOKmixin: | |
| 3323 { t = peek(&token); | |
| 3324 if (t.value == TOK.TOKlparen) | |
| 3325 { // mixin(string) | |
| 3326 nextToken(); | |
| 3327 check(TOK.TOKlparen, "mixin"); | |
| 3328 Expression e = parseAssignExp(); | |
| 3329 check(TOK.TOKrparen); | |
| 3330 check(TOK.TOKsemicolon); | |
| 3331 s = new CompileStatement(loc, e); | |
| 3332 break; | |
| 3333 } | |
| 3334 Dsymbol d = parseMixin(); | |
| 3335 s = new DeclarationStatement(loc, d); | |
| 3336 break; | |
| 3337 } | |
| 3338 | |
| 3339 case TOK.TOKlcurly: | |
| 79 | 3340 { |
| 3341 nextToken(); | |
| 3342 Statements statements = new Statements(); | |
| 3343 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3344 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3345 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3346 } |
| 3347 endloc = this.loc; | |
| 3348 s = new CompoundStatement(loc, statements); | |
| 3349 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3350 s = new ScopeStatement(loc, s); | |
| 3351 nextToken(); | |
| 3352 break; | |
| 3353 } | |
| 3354 | |
| 3355 case TOK.TOKwhile: | |
| 3356 { Expression condition2; | |
| 3357 Statement body_; | |
| 3358 | |
| 3359 nextToken(); | |
| 3360 check(TOK.TOKlparen); | |
| 3361 condition2 = parseExpression(); | |
| 3362 check(TOK.TOKrparen); | |
| 3363 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3364 s = new WhileStatement(loc, condition2, body_); | |
| 3365 break; | |
| 3366 } | |
| 3367 | |
| 3368 case TOK.TOKsemicolon: | |
| 3369 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3370 error("use '{ }' for an empty statement, not a ';'"); | |
| 3371 nextToken(); | |
| 3372 s = new ExpStatement(loc, null); | |
| 3373 break; | |
| 3374 | |
| 3375 case TOK.TOKdo: | |
| 3376 { Statement body_; | |
| 3377 Expression condition2; | |
| 3378 | |
| 3379 nextToken(); | |
| 3380 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3381 check(TOK.TOKwhile); | |
| 3382 check(TOK.TOKlparen); | |
| 3383 condition2 = parseExpression(); | |
| 3384 check(TOK.TOKrparen); | |
| 3385 s = new DoStatement(loc, body_, condition2); | |
| 3386 break; | |
| 3387 } | |
| 3388 | |
| 3389 case TOK.TOKfor: | |
| 3390 { | |
| 3391 Statement init; | |
| 3392 Expression condition2; | |
| 3393 Expression increment; | |
| 3394 Statement body_; | |
| 3395 | |
| 3396 nextToken(); | |
| 3397 check(TOK.TOKlparen); | |
| 3398 if (token.value == TOK.TOKsemicolon) | |
| 3399 { init = null; | |
| 3400 nextToken(); | |
| 3401 } | |
| 3402 else | |
| 3403 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3404 } | |
| 3405 if (token.value == TOK.TOKsemicolon) | |
| 3406 { | |
| 3407 condition2 = null; | |
| 3408 nextToken(); | |
| 3409 } | |
| 3410 else | |
| 3411 { | |
| 3412 condition2 = parseExpression(); | |
| 3413 check(TOK.TOKsemicolon, "for condition"); | |
| 3414 } | |
| 3415 if (token.value == TOK.TOKrparen) | |
| 3416 { increment = null; | |
| 3417 nextToken(); | |
| 3418 } | |
| 3419 else | |
| 3420 { increment = parseExpression(); | |
| 3421 check(TOK.TOKrparen); | |
| 3422 } | |
| 3423 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3424 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3425 if (init) | |
| 3426 s = new ScopeStatement(loc, s); | |
| 3427 break; | |
| 3428 } | |
| 3429 | |
| 3430 case TOK.TOKforeach: | |
| 3431 case TOK.TOKforeach_reverse: | |
| 3432 { | |
| 3433 TOK op = token.value; | |
| 3434 Arguments arguments; | |
| 3435 | |
| 3436 Statement d; | |
| 3437 Statement body_; | |
| 3438 Expression aggr; | |
| 3439 | |
| 3440 nextToken(); | |
| 3441 check(TOK.TOKlparen); | |
| 3442 | |
| 3443 arguments = new Arguments(); | |
| 3444 | |
| 3445 while (1) | |
| 3446 { | |
| 3447 Type tb; | |
| 3448 Identifier ai = null; | |
| 3449 Type at; | |
| 3450 STC storageClass = STC.STCundefined; | |
| 3451 Argument a; | |
| 3452 | |
| 3453 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3454 { storageClass = STC.STCref; | |
| 3455 nextToken(); | |
| 3456 } | |
| 3457 if (token.value == TOK.TOKidentifier) | |
| 3458 { | |
| 3459 Token *tt = peek(&token); | |
| 3460 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3461 { ai = token.ident; | |
| 3462 at = null; // infer argument type | |
| 3463 nextToken(); | |
| 3464 goto Larg; | |
| 3465 } | |
| 3466 } | |
| 3467 at = parseType(&ai); | |
| 3468 if (!ai) | |
| 3469 error("no identifier for declarator %s", at.toChars()); | |
| 3470 Larg: | |
| 3471 a = new Argument(storageClass, at, ai, null); | |
| 3472 arguments.push(cast(void*)a); | |
| 3473 if (token.value == TOK.TOKcomma) | |
| 3474 { nextToken(); | |
| 3475 continue; | |
| 3476 } | |
| 3477 break; | |
| 3478 } | |
| 3479 check(TOK.TOKsemicolon); | |
| 3480 | |
| 3481 aggr = parseExpression(); | |
| 3482 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3483 { | |
| 3484 Argument a = cast(Argument)arguments.data[0]; | |
| 3485 delete arguments; | |
| 3486 nextToken(); | |
| 3487 Expression upr = parseExpression(); | |
| 3488 check(TOK.TOKrparen); | |
| 3489 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3490 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3491 } | |
| 3492 else | |
| 3493 { | |
| 3494 check(TOK.TOKrparen); | |
| 3495 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3496 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3497 } | |
| 3498 break; | |
| 3499 } | |
| 3500 | |
| 3501 case TOK.TOKif: | |
| 3502 { Argument arg = null; | |
| 3503 Expression condition2; | |
| 3504 Statement ifbody2; | |
| 3505 Statement elsebody2; | |
| 3506 | |
| 3507 nextToken(); | |
| 3508 check(TOK.TOKlparen); | |
| 3509 | |
| 3510 if (token.value == TOK.TOKauto) | |
| 3511 { | |
| 3512 nextToken(); | |
| 3513 if (token.value == TOK.TOKidentifier) | |
| 3514 { | |
| 3515 Token *tt = peek(&token); | |
| 3516 if (tt.value == TOK.TOKassign) | |
| 3517 { | |
| 3518 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3519 nextToken(); | |
| 3520 nextToken(); | |
| 3521 } | |
| 3522 else | |
| 3523 { error("= expected following auto identifier"); | |
| 3524 goto Lerror; | |
| 3525 } | |
| 3526 } | |
| 3527 else | |
| 3528 { error("identifier expected following auto"); | |
| 3529 goto Lerror; | |
| 3530 } | |
| 3531 } | |
| 3532 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3533 { | |
| 3534 Type at; | |
| 3535 Identifier ai; | |
| 3536 | |
| 3537 at = parseType(&ai); | |
| 3538 check(TOK.TOKassign); | |
| 3539 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3540 } | |
| 3541 | |
| 3542 // Check for " ident;" | |
| 3543 else if (token.value == TOK.TOKidentifier) | |
| 3544 { | |
| 3545 Token *tt = peek(&token); | |
| 3546 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3547 { | |
| 3548 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3549 nextToken(); | |
| 3550 nextToken(); | |
| 3551 if (1 || !global.params.useDeprecated) | |
| 3552 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3553 } | |
| 3554 } | |
| 3555 | |
| 3556 condition2 = parseExpression(); | |
| 3557 check(TOK.TOKrparen); | |
| 3558 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3559 if (token.value == TOK.TOKelse) | |
| 3560 { | |
| 3561 nextToken(); | |
| 3562 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3563 } | |
| 3564 else | |
| 3565 elsebody2 = null; | |
| 3566 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3567 break; | |
| 3568 } | |
| 3569 | |
| 3570 case TOK.TOKscope: | |
| 3571 if (peek(&token).value != TOK.TOKlparen) | |
| 3572 goto Ldeclaration; // scope used as storage class | |
| 3573 nextToken(); | |
| 3574 check(TOK.TOKlparen); | |
| 3575 if (token.value != TOK.TOKidentifier) | |
| 3576 { error("scope identifier expected"); | |
| 3577 goto Lerror; | |
| 3578 } | |
| 3579 else | |
| 3580 { TOK tt = TOK.TOKon_scope_exit; | |
| 3581 Identifier id = token.ident; | |
| 3582 | |
| 3583 if (id == Id.exit) | |
| 3584 tt = TOK.TOKon_scope_exit; | |
| 3585 else if (id == Id.failure) | |
| 3586 tt = TOK.TOKon_scope_failure; | |
| 3587 else if (id == Id.success) | |
| 3588 tt = TOK.TOKon_scope_success; | |
| 3589 else | |
| 3590 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3591 nextToken(); | |
| 3592 check(TOK.TOKrparen); | |
| 3593 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3594 s = new OnScopeStatement(loc, tt, st); | |
| 3595 break; | |
| 3596 } | |
| 3597 | |
| 3598 case TOK.TOKdebug: | |
| 3599 nextToken(); | |
| 3600 condition = parseDebugCondition(); | |
| 3601 goto Lcondition; | |
| 3602 | |
| 3603 case TOK.TOKversion: | |
| 3604 nextToken(); | |
| 3605 condition = parseVersionCondition(); | |
| 3606 goto Lcondition; | |
| 3607 | |
| 3608 Lcondition: | |
| 3609 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3610 elsebody = null; | |
| 3611 if (token.value == TOK.TOKelse) | |
| 3612 { | |
| 3613 nextToken(); | |
| 3614 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3615 } | |
| 3616 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3617 break; | |
| 3618 | |
| 3619 case TOK.TOKpragma: | |
| 3620 { Identifier ident; | |
| 3621 Expressions args = null; | |
| 3622 Statement body_; | |
| 3623 | |
| 3624 nextToken(); | |
| 3625 check(TOK.TOKlparen); | |
| 3626 if (token.value != TOK.TOKidentifier) | |
| 3627 { error("pragma(identifier expected"); | |
| 3628 goto Lerror; | |
| 3629 } | |
| 3630 ident = token.ident; | |
| 3631 nextToken(); | |
| 3632 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3633 args = parseArguments(); // pragma(identifier, args...); | |
| 3634 else | |
| 3635 check(TOK.TOKrparen); // pragma(identifier); | |
| 3636 if (token.value == TOK.TOKsemicolon) | |
| 3637 { nextToken(); | |
| 3638 body_ = null; | |
| 3639 } | |
| 3640 else | |
| 3641 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3642 s = new PragmaStatement(loc, ident, args, body_); | |
| 3643 break; | |
| 3644 } | |
| 3645 | |
| 3646 case TOK.TOKswitch: | |
| 3647 isfinal = false; | |
| 3648 goto Lswitch; | |
| 3649 | |
| 3650 Lswitch: | |
| 3651 { | |
| 3652 nextToken(); | |
| 3653 check(TOK.TOKlparen); | |
| 3654 Expression condition2 = parseExpression(); | |
| 3655 check(TOK.TOKrparen); | |
| 3656 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3657 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3658 break; | |
| 3659 } | |
| 3660 | |
| 3661 case TOK.TOKcase: | |
| 3662 { Expression exp; | |
| 3663 Statements statements; | |
| 3664 scope Array cases = new Array(); // array of Expression's | |
| 3665 Expression last = null; | |
| 3666 | |
| 3667 while (1) | |
| 3668 { | |
| 3669 nextToken(); | |
| 3670 exp = parseAssignExp(); | |
| 3671 cases.push(cast(void*)exp); | |
| 3672 if (token.value != TOK.TOKcomma) | |
| 3673 break; | |
| 3674 } | |
| 3675 check(TOK.TOKcolon); | |
| 3676 | |
| 3677 version (DMDV2) { | |
| 3678 /* case exp: .. case last: | |
| 3679 */ | |
| 3680 if (token.value == TOK.TOKslice) | |
| 3681 { | |
| 3682 if (cases.dim > 1) | |
| 3683 error("only one case allowed for start of case range"); | |
| 3684 nextToken(); | |
| 3685 check(TOK.TOKcase); | |
| 3686 last = parseAssignExp(); | |
| 3687 check(TOK.TOKcolon); | |
| 3688 } | |
| 3689 } | |
| 3690 | |
| 3691 statements = new Statements(); | |
| 3692 while (token.value != TOK.TOKcase && | |
| 3693 token.value != TOK.TOKdefault && | |
| 79 | 3694 token.value != TOKeof && |
| 0 | 3695 token.value != TOK.TOKrcurly) |
| 3696 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3697 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3698 } |
| 3699 s = new CompoundStatement(loc, statements); | |
| 3700 s = new ScopeStatement(loc, s); | |
| 3701 | |
| 3702 ///version (DMDV2) { | |
| 3703 if (last) | |
| 3704 { | |
| 3705 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3706 } | |
| 3707 else | |
| 3708 ///} | |
| 3709 { | |
| 3710 // Keep cases in order by building the case statements backwards | |
| 3711 for (int i = cases.dim; i; i--) | |
| 3712 { | |
| 3713 exp = cast(Expression)cases.data[i - 1]; | |
| 3714 s = new CaseStatement(loc, exp, s); | |
| 3715 } | |
| 3716 } | |
| 3717 break; | |
| 3718 } | |
| 3719 | |
| 3720 case TOK.TOKdefault: | |
| 3721 { | |
| 3722 Statements statements; | |
| 3723 | |
| 3724 nextToken(); | |
| 3725 check(TOK.TOKcolon); | |
| 3726 | |
| 3727 statements = new Statements(); | |
| 3728 while (token.value != TOK.TOKcase && | |
| 3729 token.value != TOK.TOKdefault && | |
| 79 | 3730 token.value != TOKeof && |
| 0 | 3731 token.value != TOK.TOKrcurly) |
| 3732 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3733 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3734 } |
| 3735 s = new CompoundStatement(loc, statements); | |
| 3736 s = new ScopeStatement(loc, s); | |
| 3737 s = new DefaultStatement(loc, s); | |
| 3738 break; | |
| 3739 } | |
| 3740 | |
| 3741 case TOK.TOKreturn: | |
| 3742 { Expression exp; | |
| 3743 | |
| 3744 nextToken(); | |
| 3745 if (token.value == TOK.TOKsemicolon) | |
| 3746 exp = null; | |
| 3747 else | |
| 3748 exp = parseExpression(); | |
| 3749 check(TOK.TOKsemicolon, "return statement"); | |
| 3750 s = new ReturnStatement(loc, exp); | |
| 3751 break; | |
| 3752 } | |
| 3753 | |
| 3754 case TOK.TOKbreak: | |
| 3755 { Identifier ident; | |
| 3756 | |
| 3757 nextToken(); | |
| 3758 if (token.value == TOK.TOKidentifier) | |
| 3759 { ident = token.ident; | |
| 3760 nextToken(); | |
| 3761 } | |
| 3762 else | |
| 3763 ident = null; | |
| 3764 check(TOK.TOKsemicolon, "break statement"); | |
| 3765 s = new BreakStatement(loc, ident); | |
| 3766 break; | |
| 3767 } | |
| 3768 | |
| 3769 case TOK.TOKcontinue: | |
| 3770 { Identifier ident; | |
| 3771 | |
| 3772 nextToken(); | |
| 3773 if (token.value == TOK.TOKidentifier) | |
| 3774 { ident = token.ident; | |
| 3775 nextToken(); | |
| 3776 } | |
| 3777 else | |
| 3778 ident = null; | |
| 3779 check(TOK.TOKsemicolon, "continue statement"); | |
| 3780 s = new ContinueStatement(loc, ident); | |
| 3781 break; | |
| 3782 } | |
| 3783 | |
| 3784 case TOK.TOKgoto: | |
| 3785 { Identifier ident; | |
| 3786 | |
| 3787 nextToken(); | |
| 3788 if (token.value == TOK.TOKdefault) | |
| 3789 { | |
| 3790 nextToken(); | |
| 3791 s = new GotoDefaultStatement(loc); | |
| 3792 } | |
| 3793 else if (token.value == TOK.TOKcase) | |
| 3794 { | |
| 3795 Expression exp = null; | |
| 3796 | |
| 3797 nextToken(); | |
| 3798 if (token.value != TOK.TOKsemicolon) | |
| 3799 exp = parseExpression(); | |
| 3800 s = new GotoCaseStatement(loc, exp); | |
| 3801 } | |
| 3802 else | |
| 3803 { | |
| 3804 if (token.value != TOK.TOKidentifier) | |
| 3805 { error("Identifier expected following goto"); | |
| 3806 ident = null; | |
| 3807 } | |
| 3808 else | |
| 3809 { ident = token.ident; | |
| 3810 nextToken(); | |
| 3811 } | |
| 3812 s = new GotoStatement(loc, ident); | |
| 3813 } | |
| 3814 check(TOK.TOKsemicolon, "goto statement"); | |
| 3815 break; | |
| 3816 } | |
| 3817 | |
| 3818 case TOK.TOKsynchronized: | |
| 3819 { Expression exp; | |
| 3820 Statement body_; | |
| 3821 | |
| 3822 nextToken(); | |
| 3823 if (token.value == TOK.TOKlparen) | |
| 3824 { | |
| 3825 nextToken(); | |
| 3826 exp = parseExpression(); | |
| 3827 check(TOK.TOKrparen); | |
| 3828 } | |
| 3829 else | |
| 3830 exp = null; | |
| 3831 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3832 s = new SynchronizedStatement(loc, exp, body_); | |
| 3833 break; | |
| 3834 } | |
| 3835 | |
| 3836 case TOK.TOKwith: | |
| 3837 { Expression exp; | |
| 3838 Statement body_; | |
| 3839 | |
| 3840 nextToken(); | |
| 3841 check(TOK.TOKlparen); | |
| 3842 exp = parseExpression(); | |
| 3843 check(TOK.TOKrparen); | |
| 3844 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3845 s = new WithStatement(loc, exp, body_); | |
| 3846 break; | |
| 3847 } | |
| 3848 | |
| 3849 case TOK.TOKtry: | |
| 3850 { Statement body_; | |
| 3851 Array catches = null; | |
| 3852 Statement finalbody = null; | |
| 3853 | |
| 3854 nextToken(); | |
| 3855 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3856 while (token.value == TOK.TOKcatch) | |
| 3857 { | |
| 3858 Statement handler; | |
| 3859 Catch c; | |
| 3860 Type tt; | |
| 3861 Identifier id; | |
| 3862 Loc loc2 = this.loc; | |
| 3863 | |
| 3864 nextToken(); | |
| 3865 if (token.value == TOK.TOKlcurly) | |
| 3866 { | |
| 3867 tt = null; | |
| 3868 id = null; | |
| 3869 } | |
| 3870 else | |
| 3871 { | |
| 3872 check(TOK.TOKlparen); | |
| 3873 id = null; | |
| 3874 tt = parseType(&id); | |
| 3875 check(TOK.TOKrparen); | |
| 3876 } | |
| 3877 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3878 c = new Catch(loc2, tt, id, handler); | |
| 3879 if (!catches) | |
| 3880 catches = new Array(); | |
| 3881 catches.push(cast(void*)c); | |
| 3882 } | |
| 3883 | |
| 3884 if (token.value == TOK.TOKfinally) | |
| 3885 { nextToken(); | |
| 3886 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3887 } | |
| 3888 | |
| 3889 s = body_; | |
| 3890 if (!catches && !finalbody) | |
| 3891 error("catch or finally expected following try"); | |
| 3892 else | |
| 3893 { if (catches) | |
| 3894 s = new TryCatchStatement(loc, body_, catches); | |
| 3895 if (finalbody) | |
| 3896 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3897 } | |
| 3898 break; | |
| 3899 } | |
| 3900 | |
| 3901 case TOK.TOKthrow: | |
| 3902 { Expression exp; | |
| 3903 | |
| 3904 nextToken(); | |
| 3905 exp = parseExpression(); | |
| 3906 check(TOK.TOKsemicolon, "throw statement"); | |
| 3907 s = new ThrowStatement(loc, exp); | |
| 3908 break; | |
| 3909 } | |
| 3910 | |
| 3911 case TOK.TOKvolatile: | |
| 3912 nextToken(); | |
| 3913 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3914 version (DMDV2) { | |
| 3915 if (!global.params.useDeprecated) | |
| 3916 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3917 } | |
| 3918 s = new VolatileStatement(loc, s); | |
| 3919 break; | |
| 3920 | |
| 3921 case TOK.TOKasm: | |
| 3922 { Statements statements; | |
| 3923 Identifier label; | |
| 3924 Loc labelloc; | |
| 3925 Token* toklist; | |
| 3926 Token** ptoklist; | |
| 3927 | |
| 3928 // Parse the asm block into a sequence of AsmStatements, | |
| 3929 // each AsmStatement is one instruction. | |
| 3930 // Separate out labels. | |
| 3931 // Defer parsing of AsmStatements until semantic processing. | |
| 3932 | |
| 3933 nextToken(); | |
| 3934 check(TOK.TOKlcurly); | |
| 3935 toklist = null; | |
| 3936 ptoklist = &toklist; | |
| 3937 label = null; | |
| 3938 statements = new Statements(); | |
| 3939 while (1) | |
| 3940 { | |
| 3941 switch (token.value) | |
| 3942 { | |
| 3943 case TOK.TOKidentifier: | |
| 3944 if (!toklist) | |
| 3945 { | |
| 3946 // Look ahead to see if it is a label | |
| 3947 t = peek(&token); | |
| 3948 if (t.value == TOK.TOKcolon) | |
| 3949 { // It's a label | |
| 3950 label = token.ident; | |
| 3951 labelloc = this.loc; | |
| 3952 nextToken(); | |
| 3953 nextToken(); | |
| 3954 continue; | |
| 3955 } | |
| 3956 } | |
| 3957 goto Ldefault; | |
| 3958 | |
| 3959 case TOK.TOKrcurly: | |
| 3960 if (toklist || label) | |
| 3961 { | |
| 3962 error("asm statements must end in ';'"); | |
| 3963 } | |
| 3964 break; | |
| 3965 | |
| 3966 case TOK.TOKsemicolon: | |
| 3967 s = null; | |
| 3968 if (toklist || label) | |
| 3969 { // Create AsmStatement from list of tokens we've saved | |
| 3970 s = new AsmStatement(this.loc, toklist); | |
| 3971 toklist = null; | |
| 3972 ptoklist = &toklist; | |
| 3973 if (label) | |
| 3974 { | |
| 3975 s = new LabelStatement(labelloc, label, s); | |
| 3976 label = null; | |
| 3977 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3978 statements.push(s); |
| 0 | 3979 } |
| 3980 nextToken(); | |
| 3981 continue; | |
| 3982 | |
| 3983 case TOK.TOKeof: | |
| 3984 /* { */ | |
| 3985 error("matching '}' expected, not end of file"); | |
| 3986 break; | |
| 3987 | |
| 3988 default: | |
| 3989 Ldefault: | |
| 3990 *ptoklist = new Token(); | |
| 3991 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3992 ptoklist = &(*ptoklist).next; | |
| 3993 *ptoklist = null; | |
| 3994 | |
| 3995 nextToken(); | |
| 3996 continue; | |
| 3997 } | |
| 3998 break; | |
| 3999 } | |
| 4000 s = new CompoundStatement(loc, statements); | |
| 4001 nextToken(); | |
| 4002 break; | |
| 4003 } | |
| 4004 | |
| 4005 default: | |
| 4006 error("found '%s' instead of statement", token.toChars()); | |
| 4007 goto Lerror; | |
| 4008 | |
| 4009 Lerror: | |
| 4010 while (token.value != TOK.TOKrcurly && | |
| 4011 token.value != TOK.TOKsemicolon && | |
| 4012 token.value != TOK.TOKeof) | |
| 4013 nextToken(); | |
| 4014 if (token.value == TOK.TOKsemicolon) | |
| 4015 nextToken(); | |
| 4016 s = null; | |
| 4017 break; | |
| 4018 } | |
| 4019 | |
| 4020 return s; | |
| 4021 } | |
| 4022 | |
| 4023 /***************************************** | |
| 4024 * Parse initializer for variable declaration. | |
| 4025 */ | |
| 4026 Initializer parseInitializer() | |
| 4027 { | |
| 4028 StructInitializer is_; | |
| 4029 ArrayInitializer ia; | |
| 4030 ExpInitializer ie; | |
| 4031 Expression e; | |
| 4032 Identifier id; | |
| 4033 Initializer value; | |
| 4034 int comma; | |
| 4035 Loc loc = this.loc; | |
| 4036 Token* t; | |
| 4037 int braces; | |
| 4038 int brackets; | |
| 4039 | |
| 4040 switch (token.value) | |
| 4041 { | |
| 4042 case TOK.TOKlcurly: | |
| 4043 /* Scan ahead to see if it is a struct initializer or | |
| 4044 * a function literal. | |
| 4045 * If it contains a ';', it is a function literal. | |
| 4046 * Treat { } as a struct initializer. | |
| 4047 */ | |
| 4048 braces = 1; | |
| 4049 for (t = peek(&token); 1; t = peek(t)) | |
| 4050 { | |
| 4051 switch (t.value) | |
| 4052 { | |
| 4053 case TOK.TOKsemicolon: | |
| 4054 case TOK.TOKreturn: | |
| 4055 goto Lexpression; | |
| 4056 | |
| 4057 case TOK.TOKlcurly: | |
| 4058 braces++; | |
| 4059 continue; | |
| 4060 | |
| 4061 case TOK.TOKrcurly: | |
| 4062 if (--braces == 0) | |
| 4063 break; | |
| 4064 continue; | |
| 4065 | |
| 4066 case TOK.TOKeof: | |
| 4067 break; | |
| 4068 | |
| 4069 default: | |
| 4070 continue; | |
| 4071 } | |
| 4072 break; | |
| 4073 } | |
| 4074 | |
| 4075 is_ = new StructInitializer(loc); | |
| 4076 nextToken(); | |
| 4077 comma = 0; | |
| 4078 while (1) | |
| 4079 { | |
| 4080 switch (token.value) | |
| 4081 { | |
| 4082 case TOK.TOKidentifier: | |
| 4083 if (comma == 1) | |
| 4084 error("comma expected separating field initializers"); | |
| 4085 t = peek(&token); | |
| 4086 if (t.value == TOK.TOKcolon) | |
| 4087 { | |
| 4088 id = token.ident; | |
| 4089 nextToken(); | |
| 4090 nextToken(); // skip over ':' | |
| 4091 } | |
| 4092 else | |
| 4093 { | |
| 4094 id = null; | |
| 4095 } | |
| 4096 value = parseInitializer(); | |
| 4097 is_.addInit(id, value); | |
| 4098 comma = 1; | |
| 4099 continue; | |
| 4100 | |
| 4101 case TOK.TOKcomma: | |
| 4102 nextToken(); | |
| 4103 comma = 2; | |
| 4104 continue; | |
| 4105 | |
| 4106 case TOK.TOKrcurly: // allow trailing comma's | |
| 4107 nextToken(); | |
| 4108 break; | |
| 4109 | |
| 4110 case TOK.TOKeof: | |
| 4111 error("found EOF instead of initializer"); | |
| 4112 break; | |
| 4113 | |
| 4114 default: | |
| 4115 value = parseInitializer(); | |
| 4116 is_.addInit(null, value); | |
| 4117 comma = 1; | |
| 4118 continue; | |
| 4119 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4120 //break; | |
| 4121 } | |
| 4122 break; | |
| 4123 } | |
| 4124 return is_; | |
| 4125 | |
| 4126 case TOK.TOKlbracket: | |
| 4127 /* Scan ahead to see if it is an array initializer or | |
| 4128 * an expression. | |
| 4129 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4130 */ | |
| 4131 brackets = 1; | |
| 4132 for (t = peek(&token); 1; t = peek(t)) | |
| 4133 { | |
| 4134 switch (t.value) | |
| 4135 { | |
| 4136 case TOK.TOKlbracket: | |
| 4137 brackets++; | |
| 4138 continue; | |
| 4139 | |
| 4140 case TOK.TOKrbracket: | |
| 4141 if (--brackets == 0) | |
| 4142 { | |
| 4143 t = peek(t); | |
| 4144 if (t.value != TOK.TOKsemicolon && | |
| 4145 t.value != TOK.TOKcomma && | |
| 4146 t.value != TOK.TOKrcurly) | |
| 4147 goto Lexpression; | |
| 4148 break; | |
| 4149 } | |
| 4150 continue; | |
| 4151 | |
| 4152 case TOK.TOKeof: | |
| 4153 break; | |
| 4154 | |
| 4155 default: | |
| 4156 continue; | |
| 4157 } | |
| 4158 break; | |
| 4159 } | |
| 4160 | |
| 4161 ia = new ArrayInitializer(loc); | |
| 4162 nextToken(); | |
| 4163 comma = 0; | |
| 4164 while (true) | |
| 4165 { | |
| 4166 switch (token.value) | |
| 4167 { | |
| 4168 default: | |
| 4169 if (comma == 1) | |
| 4170 { | |
| 4171 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4172 nextToken(); | |
| 4173 break; | |
| 4174 } | |
| 4175 e = parseAssignExp(); | |
| 4176 if (!e) | |
| 4177 break; | |
| 4178 if (token.value == TOK.TOKcolon) | |
| 4179 { | |
| 4180 nextToken(); | |
| 4181 value = parseInitializer(); | |
| 4182 } | |
| 4183 else | |
| 4184 { value = new ExpInitializer(e.loc, e); | |
| 4185 e = null; | |
| 4186 } | |
| 4187 ia.addInit(e, value); | |
| 4188 comma = 1; | |
| 4189 continue; | |
| 4190 | |
| 4191 case TOK.TOKlcurly: | |
| 4192 case TOK.TOKlbracket: | |
| 4193 if (comma == 1) | |
| 4194 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4195 value = parseInitializer(); | |
| 4196 ia.addInit(null, value); | |
| 4197 comma = 1; | |
| 4198 continue; | |
| 4199 | |
| 4200 case TOK.TOKcomma: | |
| 4201 nextToken(); | |
| 4202 comma = 2; | |
| 4203 continue; | |
| 4204 | |
| 4205 case TOK.TOKrbracket: // allow trailing comma's | |
| 4206 nextToken(); | |
| 4207 break; | |
| 4208 | |
| 4209 case TOK.TOKeof: | |
| 4210 error("found '%s' instead of array initializer", token.toChars()); | |
| 4211 break; | |
| 4212 } | |
| 4213 break; | |
| 4214 } | |
| 4215 return ia; | |
| 4216 | |
| 4217 case TOK.TOKvoid: | |
| 4218 t = peek(&token); | |
| 4219 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4220 { | |
| 4221 nextToken(); | |
| 4222 return new VoidInitializer(loc); | |
| 4223 } | |
| 4224 goto Lexpression; | |
| 4225 | |
| 4226 default: | |
| 4227 Lexpression: | |
| 4228 e = parseAssignExp(); | |
| 4229 ie = new ExpInitializer(loc, e); | |
| 4230 return ie; | |
| 4231 } | |
| 4232 } | |
| 4233 | |
| 4234 /***************************************** | |
| 4235 * Parses default argument initializer expression that is an assign expression, | |
| 4236 * with special handling for __FILE__ and __LINE__. | |
| 4237 */ | |
| 4238 version (DMDV2) { | |
| 4239 Expression parseDefaultInitExp() | |
| 4240 { | |
| 4241 if (token.value == TOK.TOKfile || | |
| 4242 token.value == TOK.TOKline) | |
| 4243 { | |
| 4244 Token* t = peek(&token); | |
| 4245 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4246 { | |
| 4247 Expression e; | |
| 4248 | |
| 4249 if (token.value == TOK.TOKfile) | |
| 4250 e = new FileInitExp(loc); | |
| 4251 else | |
| 4252 e = new LineInitExp(loc); | |
| 4253 nextToken(); | |
| 4254 return e; | |
| 4255 } | |
| 4256 } | |
| 4257 | |
| 4258 Expression e = parseAssignExp(); | |
| 4259 return e; | |
| 4260 } | |
| 4261 } | |
| 4262 void check(Loc loc, TOK value) | |
| 4263 { | |
| 4264 if (token.value != value) | |
| 4265 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4266 nextToken(); | |
| 4267 } | |
| 4268 | |
| 4269 void check(TOK value) | |
| 4270 { | |
| 4271 check(loc, value); | |
| 4272 } | |
| 4273 | |
| 4274 void check(TOK value, string string_) | |
| 4275 { | |
| 4276 if (token.value != value) { | |
| 4277 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4278 } | |
| 4279 nextToken(); | |
| 4280 } | |
| 4281 | |
| 4282 /************************************ | |
| 4283 * Determine if the scanner is sitting on the start of a declaration. | |
| 4284 * Input: | |
| 4285 * needId 0 no identifier | |
| 4286 * 1 identifier optional | |
| 4287 * 2 must have identifier | |
| 4288 * Output: | |
| 4289 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4290 */ | |
| 4291 | |
| 4292 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4293 { | |
| 4294 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4295 int haveId = 0; | |
| 4296 | |
| 4297 version (DMDV2) { | |
| 4298 if ((t.value == TOK.TOKconst || | |
| 4299 t.value == TOK.TOKinvariant || | |
| 4300 t.value == TOK.TOKimmutable || | |
| 4301 t.value == TOK.TOKshared) && | |
| 4302 peek(t).value != TOK.TOKlparen) | |
| 4303 { | |
| 4304 /* const type | |
| 4305 * immutable type | |
| 4306 * shared type | |
| 4307 */ | |
| 4308 t = peek(t); | |
| 4309 } | |
| 4310 } | |
| 4311 | |
| 4312 if (!isBasicType(&t)) | |
| 4313 { | |
| 4314 goto Lisnot; | |
| 4315 } | |
| 4316 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4317 goto Lisnot; | |
| 4318 if ( needId == 1 || | |
| 4319 (needId == 0 && !haveId) || | |
| 4320 (needId == 2 && haveId)) | |
| 4321 { | |
| 4322 if (pt) | |
| 4323 *pt = t; | |
| 4324 goto Lis; | |
| 4325 } | |
| 4326 else | |
| 4327 goto Lisnot; | |
| 4328 | |
| 4329 Lis: | |
| 4330 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4331 return true; | |
| 4332 | |
| 4333 Lisnot: | |
| 4334 //printf("\tis not declaration\n"); | |
| 4335 return false; | |
| 4336 } | |
| 4337 | |
| 4338 bool isBasicType(Token** pt) | |
| 4339 { | |
| 4340 // This code parallels parseBasicType() | |
| 4341 Token* t = *pt; | |
| 4342 Token* t2; | |
| 4343 int parens; | |
| 4344 int haveId = 0; | |
| 4345 | |
| 4346 switch (t.value) | |
| 4347 { | |
| 4348 case TOKwchar: | |
| 4349 case TOKdchar: | |
| 4350 case TOKbit: | |
| 4351 case TOKbool: | |
| 4352 case TOKchar: | |
| 4353 case TOKint8: | |
| 4354 case TOKuns8: | |
| 4355 case TOKint16: | |
| 4356 case TOKuns16: | |
| 4357 case TOKint32: | |
| 4358 case TOKuns32: | |
| 4359 case TOKint64: | |
| 4360 case TOKuns64: | |
| 4361 case TOKfloat32: | |
| 4362 case TOKfloat64: | |
| 4363 case TOKfloat80: | |
| 4364 case TOKimaginary32: | |
| 4365 case TOKimaginary64: | |
| 4366 case TOKimaginary80: | |
| 4367 case TOKcomplex32: | |
| 4368 case TOKcomplex64: | |
| 4369 case TOKcomplex80: | |
| 4370 case TOKvoid: | |
| 4371 t = peek(t); | |
| 4372 break; | |
| 4373 | |
| 4374 case TOK.TOKidentifier: | |
| 4375 L5: | |
| 4376 t = peek(t); | |
| 4377 if (t.value == TOK.TOKnot) | |
| 4378 { | |
| 4379 goto L4; | |
| 4380 } | |
| 4381 goto L3; | |
| 4382 while (1) | |
| 4383 { | |
| 4384 L2: | |
| 4385 t = peek(t); | |
| 4386 L3: | |
| 4387 if (t.value == TOK.TOKdot) | |
| 4388 { | |
| 4389 Ldot: | |
| 4390 t = peek(t); | |
| 4391 if (t.value != TOK.TOKidentifier) | |
| 4392 goto Lfalse; | |
| 4393 t = peek(t); | |
| 4394 if (t.value != TOK.TOKnot) | |
| 4395 goto L3; | |
| 4396 L4: | |
| 4397 /* Seen a ! | |
| 4398 * Look for: | |
| 4399 * !( args ), !identifier, etc. | |
| 4400 */ | |
| 4401 t = peek(t); | |
| 4402 switch (t.value) | |
| 4403 { case TOK.TOKidentifier: | |
| 4404 goto L5; | |
| 4405 case TOK.TOKlparen: | |
| 4406 if (!skipParens(t, &t)) | |
| 4407 goto Lfalse; | |
| 4408 break; | |
| 4409 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4410 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4411 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4412 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4413 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4414 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4415 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4416 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4417 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4418 case TOK.TOKvoid: | |
| 4419 case TOK.TOKint32v: | |
| 4420 case TOK.TOKuns32v: | |
| 4421 case TOK.TOKint64v: | |
| 4422 case TOK.TOKuns64v: | |
| 4423 case TOK.TOKfloat32v: | |
| 4424 case TOK.TOKfloat64v: | |
| 4425 case TOK.TOKfloat80v: | |
| 4426 case TOK.TOKimaginary32v: | |
| 4427 case TOK.TOKimaginary64v: | |
| 4428 case TOK.TOKimaginary80v: | |
| 4429 case TOK.TOKnull: | |
| 4430 case TOK.TOKtrue: | |
| 4431 case TOK.TOKfalse: | |
| 4432 case TOK.TOKcharv: | |
| 4433 case TOK.TOKwcharv: | |
| 4434 case TOK.TOKdcharv: | |
| 4435 case TOK.TOKstring: | |
| 4436 case TOK.TOKfile: | |
| 4437 case TOK.TOKline: | |
| 4438 goto L2; | |
| 4439 default: | |
| 4440 goto Lfalse; | |
| 4441 } | |
| 4442 } | |
| 4443 else | |
| 4444 break; | |
| 4445 } | |
| 4446 break; | |
| 4447 | |
| 4448 case TOK.TOKdot: | |
| 4449 goto Ldot; | |
| 4450 | |
| 4451 case TOK.TOKtypeof: | |
| 4452 /* typeof(exp).identifier... | |
| 4453 */ | |
| 4454 t = peek(t); | |
| 4455 if (t.value != TOK.TOKlparen) | |
| 4456 goto Lfalse; | |
| 4457 if (!skipParens(t, &t)) | |
| 4458 goto Lfalse; | |
| 4459 goto L2; | |
| 4460 | |
| 4461 case TOK.TOKconst: | |
| 4462 case TOK.TOKinvariant: | |
| 4463 case TOK.TOKimmutable: | |
| 4464 case TOK.TOKshared: | |
| 4465 // const(type) or immutable(type) or shared(type) | |
| 4466 t = peek(t); | |
| 4467 if (t.value != TOK.TOKlparen) | |
| 4468 goto Lfalse; | |
| 4469 t = peek(t); | |
| 4470 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4471 { | |
| 4472 goto Lfalse; | |
| 4473 } | |
| 4474 t = peek(t); | |
| 4475 break; | |
| 4476 | |
| 4477 default: | |
| 4478 goto Lfalse; | |
| 4479 } | |
| 4480 *pt = t; | |
| 4481 //printf("is\n"); | |
| 4482 return true; | |
| 4483 | |
| 4484 Lfalse: | |
| 4485 //printf("is not\n"); | |
| 4486 return false; | |
| 4487 } | |
| 4488 | |
| 4489 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4490 { | |
| 4491 // This code parallels parseDeclarator() | |
| 4492 Token* t = *pt; | |
| 4493 bool parens; | |
| 4494 | |
| 4495 //printf("Parser.isDeclarator()\n"); | |
| 4496 //t.print(); | |
| 4497 if (t.value == TOK.TOKassign) | |
| 4498 return false; | |
| 4499 | |
| 4500 while (true) | |
| 4501 { | |
| 4502 parens = false; | |
| 4503 switch (t.value) | |
| 4504 { | |
| 4505 case TOK.TOKmul: | |
| 4506 //case TOKand: | |
| 4507 t = peek(t); | |
| 4508 continue; | |
| 4509 | |
| 4510 case TOK.TOKlbracket: | |
| 4511 t = peek(t); | |
| 4512 if (t.value == TOK.TOKrbracket) | |
| 4513 { | |
| 4514 t = peek(t); | |
| 4515 } | |
| 79 | 4516 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4517 { | |
| 4518 t = peek(t); | |
| 4519 t = peek(t); | |
| 4520 } | |
| 0 | 4521 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4522 { | |
| 4523 // It's an associative array declaration | |
| 4524 t = peek(t); | |
| 4525 } | |
| 4526 else | |
| 4527 { | |
| 4528 // [ expression ] | |
| 4529 // [ expression .. expression ] | |
| 4530 if (!isExpression(&t)) | |
| 4531 return false; | |
| 4532 if (t.value == TOK.TOKslice) | |
| 4533 { | |
| 4534 t = peek(t); | |
| 4535 if (!isExpression(&t)) | |
| 4536 return false; | |
| 4537 } | |
| 4538 if (t.value != TOK.TOKrbracket) | |
| 4539 return false; | |
| 4540 t = peek(t); | |
| 4541 } | |
| 4542 continue; | |
| 4543 | |
| 4544 case TOK.TOKidentifier: | |
| 4545 if (*haveId) | |
| 4546 return false; | |
| 4547 *haveId = true; | |
| 4548 t = peek(t); | |
| 4549 break; | |
| 4550 | |
| 4551 case TOK.TOKlparen: | |
| 4552 t = peek(t); | |
| 4553 | |
| 4554 if (t.value == TOK.TOKrparen) | |
| 4555 return false; // () is not a declarator | |
| 4556 | |
| 4557 /* Regard ( identifier ) as not a declarator | |
| 4558 * BUG: what about ( *identifier ) in | |
| 4559 * f(*p)(x); | |
| 4560 * where f is a class instance with overloaded () ? | |
| 4561 * Should we just disallow C-style function pointer declarations? | |
| 4562 */ | |
| 4563 if (t.value == TOK.TOKidentifier) | |
| 4564 { | |
| 4565 Token *t2 = peek(t); | |
| 4566 if (t2.value == TOK.TOKrparen) | |
| 4567 return false; | |
| 4568 } | |
| 4569 | |
| 4570 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4571 return false; | |
| 4572 t = peek(t); | |
| 4573 parens = true; | |
| 4574 break; | |
| 4575 | |
| 4576 case TOK.TOKdelegate: | |
| 4577 case TOK.TOKfunction: | |
| 4578 t = peek(t); | |
| 4579 if (!isParameters(&t)) | |
| 4580 return false; | |
| 4581 continue; | |
| 4582 default: | |
| 4583 break; /// | |
| 4584 } | |
| 4585 break; | |
| 4586 } | |
| 4587 | |
| 4588 while (1) | |
| 4589 { | |
| 4590 switch (t.value) | |
| 4591 { | |
| 4592 version (CARRAYDECL) { | |
| 4593 case TOK.TOKlbracket: | |
| 4594 parens = false; | |
| 4595 t = peek(t); | |
| 4596 if (t.value == TOK.TOKrbracket) | |
| 4597 { | |
| 4598 t = peek(t); | |
| 4599 } | |
| 4600 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4601 { | |
| 4602 // It's an associative array declaration | |
| 4603 t = peek(t); | |
| 4604 } | |
| 4605 else | |
| 4606 { | |
| 4607 // [ expression ] | |
| 4608 if (!isExpression(&t)) | |
| 4609 return false; | |
| 4610 if (t.value != TOK.TOKrbracket) | |
| 4611 return false; | |
| 4612 t = peek(t); | |
| 4613 } | |
| 4614 continue; | |
| 4615 } | |
| 4616 | |
| 4617 case TOK.TOKlparen: | |
| 4618 parens = false; | |
| 4619 if (!isParameters(&t)) | |
| 4620 return false; | |
| 4621 version (DMDV2) { | |
| 4622 while (true) | |
| 4623 { | |
| 4624 switch (t.value) | |
| 4625 { | |
| 4626 case TOK.TOKconst: | |
| 4627 case TOK.TOKinvariant: | |
| 4628 case TOK.TOKimmutable: | |
| 4629 case TOK.TOKshared: | |
| 4630 case TOK.TOKpure: | |
| 4631 case TOK.TOKnothrow: | |
| 4632 t = peek(t); | |
| 4633 continue; | |
| 4634 case TOK.TOKat: | |
| 4635 t = peek(t); // skip '@' | |
| 4636 t = peek(t); // skip identifier | |
| 4637 continue; | |
| 4638 default: | |
| 4639 break; | |
| 4640 } | |
| 4641 break; | |
| 4642 } | |
| 4643 } | |
| 4644 continue; | |
| 4645 | |
| 4646 // Valid tokens that follow a declaration | |
| 4647 case TOK.TOKrparen: | |
| 4648 case TOK.TOKrbracket: | |
| 4649 case TOK.TOKassign: | |
| 4650 case TOK.TOKcomma: | |
| 4651 case TOK.TOKsemicolon: | |
| 4652 case TOK.TOKlcurly: | |
| 4653 case TOK.TOKin: | |
| 4654 // The !parens is to disallow unnecessary parentheses | |
| 4655 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4656 { | |
| 4657 *pt = t; | |
| 4658 return true; | |
| 4659 } | |
| 4660 return false; | |
| 4661 | |
| 4662 default: | |
| 4663 return false; | |
| 4664 } | |
| 4665 } | |
| 4666 } | |
| 4667 | |
| 4668 bool isParameters(Token** pt) | |
| 4669 { | |
| 4670 // This code parallels parseParameters() | |
| 4671 Token* t = *pt; | |
| 4672 | |
| 4673 //printf("isParameters()\n"); | |
| 4674 if (t.value != TOKlparen) | |
| 4675 return false; | |
| 4676 | |
| 4677 t = peek(t); | |
| 4678 for (;1; t = peek(t)) | |
| 4679 { | |
| 4680 L1: | |
| 4681 switch (t.value) | |
| 4682 { | |
| 4683 case TOKrparen: | |
| 4684 break; | |
| 4685 | |
| 4686 case TOKdotdotdot: | |
| 4687 t = peek(t); | |
| 4688 break; | |
| 4689 | |
| 4690 case TOKin: | |
| 4691 case TOKout: | |
| 4692 case TOKinout: | |
| 4693 case TOKref: | |
| 4694 case TOKlazy: | |
| 4695 case TOKfinal: | |
| 4696 continue; | |
| 4697 | |
| 4698 case TOKconst: | |
| 4699 case TOKinvariant: | |
| 4700 case TOKimmutable: | |
| 4701 case TOKshared: | |
| 4702 t = peek(t); | |
| 4703 if (t.value == TOKlparen) | |
| 4704 { | |
| 4705 t = peek(t); | |
| 4706 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4707 return false; | |
| 4708 t = peek(t); // skip past closing ')' | |
| 4709 goto L2; | |
| 4710 } | |
| 4711 goto L1; | |
| 4712 | |
| 4713 static if (false) { | |
| 4714 case TOKstatic: | |
| 4715 continue; | |
| 4716 case TOKauto: | |
| 4717 case TOKalias: | |
| 4718 t = peek(t); | |
| 4719 if (t.value == TOKidentifier) | |
| 4720 t = peek(t); | |
| 4721 if (t.value == TOKassign) | |
| 4722 { t = peek(t); | |
| 4723 if (!isExpression(&t)) | |
| 4724 return false; | |
| 4725 } | |
| 4726 goto L3; | |
| 4727 } | |
| 4728 | |
| 4729 default: | |
| 4730 { | |
| 4731 if (!isBasicType(&t)) | |
| 4732 return false; | |
| 4733 L2: | |
| 4734 int tmp = false; | |
| 4735 if (t.value != TOKdotdotdot && | |
| 4736 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4737 return false; | |
| 4738 if (t.value == TOKassign) | |
| 4739 { | |
| 4740 t = peek(t); | |
| 4741 if (!isExpression(&t)) | |
| 4742 return false; | |
| 4743 } | |
| 4744 if (t.value == TOKdotdotdot) | |
| 4745 { | |
| 4746 t = peek(t); | |
| 4747 break; | |
| 4748 } | |
| 4749 } | |
| 4750 L3: | |
| 4751 if (t.value == TOKcomma) | |
| 4752 { | |
| 4753 continue; | |
| 4754 } | |
| 4755 break; | |
| 4756 } | |
| 4757 break; | |
| 4758 } | |
| 4759 | |
| 4760 if (t.value != TOKrparen) | |
| 4761 return false; | |
| 4762 | |
| 4763 t = peek(t); | |
| 4764 *pt = t; | |
| 4765 return true; | |
| 4766 } | |
| 4767 | |
| 4768 bool isExpression(Token** pt) | |
| 4769 { | |
| 4770 // This is supposed to determine if something is an expression. | |
| 4771 // What it actually does is scan until a closing right bracket | |
| 4772 // is found. | |
| 4773 | |
| 4774 Token* t = *pt; | |
| 4775 int brnest = 0; | |
| 4776 int panest = 0; | |
| 4777 int curlynest = 0; | |
| 4778 | |
| 4779 for (;; t = peek(t)) | |
| 4780 { | |
| 4781 switch (t.value) | |
| 4782 { | |
| 4783 case TOKlbracket: | |
| 4784 brnest++; | |
| 4785 continue; | |
| 4786 | |
| 4787 case TOKrbracket: | |
| 4788 if (--brnest >= 0) | |
| 4789 continue; | |
| 4790 break; | |
| 4791 | |
| 4792 case TOKlparen: | |
| 4793 panest++; | |
| 4794 continue; | |
| 4795 | |
| 4796 case TOKcomma: | |
| 4797 if (brnest || panest) | |
| 4798 continue; | |
| 4799 break; | |
| 4800 | |
| 4801 case TOKrparen: | |
| 4802 if (--panest >= 0) | |
| 4803 continue; | |
| 4804 break; | |
| 4805 | |
| 4806 case TOKlcurly: | |
| 4807 curlynest++; | |
| 4808 continue; | |
| 4809 | |
| 4810 case TOKrcurly: | |
| 4811 if (--curlynest >= 0) | |
| 4812 continue; | |
| 4813 return false; | |
| 4814 | |
| 4815 case TOKslice: | |
| 4816 if (brnest) | |
| 4817 continue; | |
| 4818 break; | |
| 4819 | |
| 4820 case TOKsemicolon: | |
| 4821 if (curlynest) | |
| 4822 continue; | |
| 4823 return false; | |
| 4824 | |
| 4825 case TOKeof: | |
| 4826 return false; | |
| 4827 | |
| 4828 default: | |
| 4829 continue; | |
| 4830 } | |
| 4831 break; | |
| 4832 } | |
| 4833 | |
| 4834 *pt = t; | |
| 4835 return true; | |
| 4836 } | |
| 4837 | |
| 4838 int isTemplateInstance(Token t, Token* pt) | |
| 4839 { | |
| 4840 assert(false); | |
| 4841 } | |
| 4842 | |
| 4843 /******************************************* | |
| 4844 * Skip parens, brackets. | |
| 4845 * Input: | |
| 4846 * t is on opening ( | |
| 4847 * Output: | |
| 4848 * *pt is set to closing token, which is ')' on success | |
| 4849 * Returns: | |
| 4850 * !=0 successful | |
| 4851 * 0 some parsing error | |
| 4852 */ | |
| 4853 bool skipParens(Token* t, Token** pt) | |
| 4854 { | |
| 4855 int parens = 0; | |
| 4856 | |
| 4857 while (1) | |
| 4858 { | |
| 4859 switch (t.value) | |
| 4860 { | |
| 4861 case TOKlparen: | |
| 4862 parens++; | |
| 4863 break; | |
| 4864 | |
| 4865 case TOKrparen: | |
| 4866 parens--; | |
| 4867 if (parens < 0) | |
| 4868 goto Lfalse; | |
| 4869 if (parens == 0) | |
| 4870 goto Ldone; | |
| 4871 break; | |
| 4872 | |
| 4873 case TOKeof: | |
| 4874 case TOKsemicolon: | |
| 4875 goto Lfalse; | |
| 4876 | |
| 4877 default: | |
| 4878 break; | |
| 4879 } | |
| 4880 t = peek(t); | |
| 4881 } | |
| 4882 | |
| 4883 Ldone: | |
| 4884 if (*pt) | |
| 4885 *pt = t; | |
| 4886 return true; | |
| 4887 | |
| 4888 Lfalse: | |
| 4889 return false; | |
| 4890 } | |
| 4891 | |
| 4892 Expression parseExpression() | |
| 4893 { | |
| 4894 Expression e; | |
| 4895 Expression e2; | |
| 4896 Loc loc = this.loc; | |
| 4897 | |
| 4898 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4899 e = parseAssignExp(); | |
| 4900 while (token.value == TOK.TOKcomma) | |
| 4901 { | |
| 4902 nextToken(); | |
| 4903 e2 = parseAssignExp(); | |
| 4904 e = new CommaExp(loc, e, e2); | |
| 4905 loc = this.loc; | |
| 4906 } | |
| 4907 return e; | |
| 4908 } | |
| 4909 | |
| 4910 Expression parsePrimaryExp() | |
| 4911 { | |
| 4912 Expression e; | |
| 4913 Type t; | |
| 4914 Identifier id; | |
| 4915 TOK save; | |
| 4916 Loc loc = this.loc; | |
| 4917 | |
| 4918 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4919 switch (token.value) | |
| 4920 { | |
| 4921 case TOK.TOKidentifier: | |
| 4922 id = token.ident; | |
| 4923 nextToken(); | |
| 4924 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4925 { // identifier!(template-argument-list) | |
| 4926 TemplateInstance tempinst; | |
| 4927 | |
| 4928 tempinst = new TemplateInstance(loc, id); | |
| 4929 nextToken(); | |
| 4930 if (token.value == TOK.TOKlparen) | |
| 4931 // ident!(template_arguments) | |
| 4932 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4933 else | |
| 4934 // ident!template_argument | |
| 4935 tempinst.tiargs = parseTemplateArgument(); | |
| 4936 e = new ScopeExp(loc, tempinst); | |
| 4937 } | |
| 4938 else | |
| 4939 e = new IdentifierExp(loc, id); | |
| 4940 break; | |
| 4941 | |
| 4942 case TOK.TOKdollar: | |
| 4943 if (!inBrackets) | |
| 4944 error("'$' is valid only inside [] of index or slice"); | |
| 4945 e = new DollarExp(loc); | |
| 4946 nextToken(); | |
| 4947 break; | |
| 4948 | |
| 4949 case TOK.TOKdot: | |
| 4950 // Signal global scope '.' operator with "" identifier | |
| 4951 e = new IdentifierExp(loc, Id.empty); | |
| 4952 break; | |
| 4953 | |
| 4954 case TOK.TOKthis: | |
| 4955 e = new ThisExp(loc); | |
| 4956 nextToken(); | |
| 4957 break; | |
| 4958 | |
| 4959 case TOK.TOKsuper: | |
| 4960 e = new SuperExp(loc); | |
| 4961 nextToken(); | |
| 4962 break; | |
| 4963 | |
| 4964 case TOK.TOKint32v: | |
| 4965 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4966 nextToken(); | |
| 4967 break; | |
| 4968 | |
| 4969 case TOK.TOKuns32v: | |
| 4970 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4971 nextToken(); | |
| 4972 break; | |
| 4973 | |
| 4974 case TOK.TOKint64v: | |
| 4975 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4976 nextToken(); | |
| 4977 break; | |
| 4978 | |
| 4979 case TOK.TOKuns64v: | |
| 4980 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4981 nextToken(); | |
| 4982 break; | |
| 4983 | |
| 4984 case TOK.TOKfloat32v: | |
| 4985 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4986 nextToken(); | |
| 4987 break; | |
| 4988 | |
| 4989 case TOK.TOKfloat64v: | |
| 4990 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4991 nextToken(); | |
| 4992 break; | |
| 4993 | |
| 4994 case TOK.TOKfloat80v: | |
| 4995 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4996 nextToken(); | |
| 4997 break; | |
| 4998 | |
| 4999 case TOK.TOKimaginary32v: | |
| 5000 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5001 nextToken(); | |
| 5002 break; | |
| 5003 | |
| 5004 case TOK.TOKimaginary64v: | |
| 5005 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5006 nextToken(); | |
| 5007 break; | |
| 5008 | |
| 5009 case TOK.TOKimaginary80v: | |
| 5010 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5011 nextToken(); | |
| 5012 break; | |
| 5013 | |
| 5014 case TOK.TOKnull: | |
| 5015 e = new NullExp(loc); | |
| 5016 nextToken(); | |
| 5017 break; | |
| 5018 | |
| 5019 version (DMDV2) { | |
| 5020 case TOK.TOKfile: | |
| 5021 { | |
| 5022 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5023 e = new StringExp(loc, s, 0); | |
| 5024 nextToken(); | |
| 5025 break; | |
| 5026 } | |
| 5027 | |
| 5028 case TOK.TOKline: | |
| 5029 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5030 nextToken(); | |
| 5031 break; | |
| 5032 } | |
| 5033 | |
| 5034 case TOK.TOKtrue: | |
| 5035 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5036 nextToken(); | |
| 5037 break; | |
| 5038 | |
| 5039 case TOK.TOKfalse: | |
| 5040 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5041 nextToken(); | |
| 5042 break; | |
| 5043 | |
| 5044 case TOK.TOKcharv: | |
| 5045 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5046 nextToken(); | |
| 5047 break; | |
| 5048 | |
| 5049 case TOK.TOKwcharv: | |
| 5050 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5051 nextToken(); | |
| 5052 break; | |
| 5053 | |
| 5054 case TOK.TOKdcharv: | |
| 5055 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5056 nextToken(); | |
| 5057 break; | |
| 5058 | |
| 5059 case TOK.TOKstring: | |
| 5060 { | |
| 5061 const(char)* s; | |
| 5062 uint len; | |
| 5063 ubyte postfix; | |
| 5064 | |
| 5065 // cat adjacent strings | |
| 5066 s = token.ustring; | |
| 5067 len = token.len; | |
| 5068 postfix = token.postfix; | |
| 5069 while (1) | |
| 5070 { | |
| 5071 nextToken(); | |
| 5072 if (token.value == TOK.TOKstring) | |
| 5073 { uint len1; | |
| 5074 uint len2; | |
| 5075 char* s2; | |
| 5076 | |
| 5077 if (token.postfix) | |
| 5078 { if (token.postfix != postfix) | |
| 5079 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5080 postfix = token.postfix; | |
| 5081 } | |
| 5082 | |
| 5083 len1 = len; | |
| 5084 len2 = token.len; | |
| 5085 len = len1 + len2; | |
| 2 | 5086 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5087 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5088 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5089 s = s2; | |
| 5090 } | |
| 5091 else | |
| 5092 break; | |
| 5093 } | |
| 5094 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5095 break; | |
| 5096 } | |
| 5097 | |
| 5098 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5099 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5100 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5101 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5102 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5103 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5104 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5105 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5106 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5107 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5108 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5109 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5110 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5111 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5112 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5113 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5114 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5115 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5116 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5117 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5118 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5119 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5120 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5121 LabelX: | |
| 5122 nextToken(); | |
| 5123 L1: | |
| 5124 check(TOK.TOKdot, t.toChars()); | |
| 5125 if (token.value != TOK.TOKidentifier) | |
| 5126 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5127 goto Lerr; | |
| 5128 } | |
| 5129 e = typeDotIdExp(loc, t, token.ident); | |
| 5130 nextToken(); | |
| 5131 break; | |
| 5132 | |
| 5133 case TOK.TOKtypeof: | |
| 5134 { | |
| 5135 t = parseTypeof(); | |
| 5136 e = new TypeExp(loc, t); | |
| 5137 break; | |
| 5138 } | |
| 5139 | |
| 5140 case TOK.TOKtypeid: | |
| 5141 { Type tt; | |
| 5142 | |
| 5143 nextToken(); | |
| 5144 check(TOK.TOKlparen, "typeid"); | |
| 5145 tt = parseType(); // ( type ) | |
| 5146 check(TOK.TOKrparen); | |
| 5147 e = new TypeidExp(loc, tt); | |
| 5148 break; | |
| 5149 } | |
| 5150 | |
| 5151 version (DMDV2) { | |
| 5152 case TOK.TOKtraits: | |
| 5153 { /* __traits(identifier, args...) | |
| 5154 */ | |
| 5155 Identifier ident; | |
| 5156 Objects args = null; | |
| 5157 | |
| 5158 nextToken(); | |
| 5159 check(TOK.TOKlparen); | |
| 5160 if (token.value != TOK.TOKidentifier) | |
| 5161 { error("__traits(identifier, args...) expected"); | |
| 5162 goto Lerr; | |
| 5163 } | |
| 5164 ident = token.ident; | |
| 5165 nextToken(); | |
| 5166 if (token.value == TOK.TOKcomma) | |
| 5167 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5168 else | |
| 5169 check(TOK.TOKrparen); // __traits(identifier) | |
| 5170 | |
| 5171 e = new TraitsExp(loc, ident, args); | |
| 5172 break; | |
| 5173 } | |
| 5174 } | |
| 5175 | |
| 5176 case TOK.TOKis: | |
| 5177 { Type targ; | |
| 5178 Identifier ident = null; | |
| 5179 Type tspec = null; | |
| 5180 TOK tok = TOK.TOKreserved; | |
| 5181 TOK tok2 = TOK.TOKreserved; | |
| 5182 TemplateParameters tpl = null; | |
| 5183 Loc loc2 = this.loc; | |
| 5184 | |
| 5185 nextToken(); | |
| 5186 if (token.value == TOK.TOKlparen) | |
| 5187 { | |
| 5188 nextToken(); | |
| 5189 targ = parseType(&ident); | |
| 5190 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5191 { | |
| 5192 tok = token.value; | |
| 5193 nextToken(); | |
| 5194 if (tok == TOK.TOKequal && | |
| 5195 (token.value == TOK.TOKtypedef || | |
| 5196 token.value == TOK.TOKstruct || | |
| 5197 token.value == TOK.TOKunion || | |
| 5198 token.value == TOK.TOKclass || | |
| 5199 token.value == TOK.TOKsuper || | |
| 5200 token.value == TOK.TOKenum || | |
| 5201 token.value == TOK.TOKinterface || | |
| 5202 ///version (DMDV2) { | |
| 5203 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5204 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5205 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5206 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5207 ///} | |
| 5208 token.value == TOK.TOKfunction || | |
| 5209 token.value == TOK.TOKdelegate || | |
| 5210 token.value == TOK.TOKreturn)) | |
| 5211 { | |
| 5212 tok2 = token.value; | |
| 5213 nextToken(); | |
| 5214 } | |
| 5215 else | |
| 5216 { | |
| 5217 tspec = parseType(); | |
| 5218 } | |
| 5219 } | |
| 5220 if (ident && tspec) | |
| 5221 { | |
| 5222 if (token.value == TOK.TOKcomma) | |
| 5223 tpl = parseTemplateParameterList(1); | |
| 5224 else | |
| 5225 { tpl = new TemplateParameters(); | |
| 5226 check(TOK.TOKrparen); | |
| 5227 } | |
| 5228 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
5229 tpl.insert(0, tp); |
| 0 | 5230 } |
| 5231 else | |
| 5232 check(TOK.TOKrparen); | |
| 5233 } | |
| 5234 else | |
| 5235 { error("(type identifier : specialization) expected following is"); | |
| 5236 goto Lerr; | |
| 5237 } | |
| 5238 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5239 break; | |
| 5240 } | |
| 5241 | |
| 5242 case TOK.TOKassert: | |
| 5243 { | |
| 5244 Expression msg = null; | |
| 5245 | |
| 5246 nextToken(); | |
| 5247 check(TOK.TOKlparen, "assert"); | |
| 5248 e = parseAssignExp(); | |
| 5249 if (token.value == TOK.TOKcomma) | |
| 5250 { nextToken(); | |
| 5251 msg = parseAssignExp(); | |
| 5252 } | |
| 5253 check(TOK.TOKrparen); | |
| 5254 e = new AssertExp(loc, e, msg); | |
| 5255 break; | |
| 5256 } | |
| 5257 | |
| 5258 case TOK.TOKmixin: | |
| 5259 { | |
| 5260 nextToken(); | |
| 5261 check(TOK.TOKlparen, "mixin"); | |
| 5262 e = parseAssignExp(); | |
| 5263 check(TOK.TOKrparen); | |
| 5264 e = new CompileExp(loc, e); | |
| 5265 break; | |
| 5266 } | |
| 5267 | |
| 5268 case TOK.TOKimport: | |
| 5269 { | |
| 5270 nextToken(); | |
| 5271 check(TOK.TOKlparen, "import"); | |
| 5272 e = parseAssignExp(); | |
| 5273 check(TOK.TOKrparen); | |
| 5274 e = new FileExp(loc, e); | |
| 5275 break; | |
| 5276 } | |
| 5277 | |
| 5278 case TOK.TOKlparen: | |
| 5279 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5280 { // (arguments) { statements... } | |
| 5281 save = TOK.TOKdelegate; | |
| 5282 goto case_delegate; | |
| 5283 } | |
| 5284 // ( expression ) | |
| 5285 nextToken(); | |
| 5286 e = parseExpression(); | |
| 5287 check(loc, TOK.TOKrparen); | |
| 5288 break; | |
| 5289 | |
| 5290 case TOK.TOKlbracket: | |
| 5291 { /* Parse array literals and associative array literals: | |
| 5292 * [ value, value, value ... ] | |
| 5293 * [ key:value, key:value, key:value ... ] | |
| 5294 */ | |
| 5295 Expressions values = new Expressions(); | |
| 5296 Expressions keys = null; | |
| 5297 | |
| 5298 nextToken(); | |
| 5299 if (token.value != TOK.TOKrbracket) | |
| 5300 { | |
| 5301 while (token.value != TOK.TOKeof) | |
| 5302 { | |
| 5303 Expression e2 = parseAssignExp(); | |
| 5304 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5305 { | |
| 5306 nextToken(); | |
| 5307 if (!keys) | |
| 5308 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5309 keys.push(e2); |
| 0 | 5310 e2 = parseAssignExp(); |
| 5311 } | |
| 5312 else if (keys) | |
| 5313 { | |
| 5314 error("'key:value' expected for associative array literal"); | |
| 5315 delete keys; | |
| 5316 keys = null; | |
| 5317 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5318 values.push(e2); |
| 0 | 5319 if (token.value == TOK.TOKrbracket) |
| 5320 break; | |
| 5321 check(TOK.TOKcomma); | |
| 5322 } | |
| 5323 } | |
| 5324 check(TOK.TOKrbracket); | |
| 5325 | |
| 5326 if (keys) | |
| 5327 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5328 else | |
| 5329 e = new ArrayLiteralExp(loc, values); | |
| 5330 break; | |
| 5331 } | |
| 5332 | |
| 5333 case TOK.TOKlcurly: | |
| 5334 // { statements... } | |
| 5335 save = TOK.TOKdelegate; | |
| 5336 goto case_delegate; | |
| 5337 | |
| 5338 case TOK.TOKfunction: | |
| 5339 case TOK.TOKdelegate: | |
| 5340 save = token.value; | |
| 5341 nextToken(); | |
| 5342 case_delegate: | |
| 5343 { | |
| 5344 /* function type(parameters) { body } pure nothrow | |
| 5345 * delegate type(parameters) { body } pure nothrow | |
| 5346 * (parameters) { body } | |
| 5347 * { body } | |
| 5348 */ | |
| 5349 Arguments arguments; | |
| 5350 int varargs; | |
| 5351 FuncLiteralDeclaration fd; | |
| 5352 Type tt; | |
| 5353 bool isnothrow = false; | |
| 5354 bool ispure = false; | |
| 5355 | |
| 5356 if (token.value == TOK.TOKlcurly) | |
| 5357 { | |
| 5358 tt = null; | |
| 5359 varargs = 0; | |
| 5360 arguments = new Arguments(); | |
| 5361 } | |
| 5362 else | |
| 5363 { | |
| 5364 if (token.value == TOK.TOKlparen) | |
| 5365 tt = null; | |
| 5366 else | |
| 5367 { | |
| 5368 tt = parseBasicType(); | |
| 5369 tt = parseBasicType2(tt); // function return type | |
| 5370 } | |
| 5371 arguments = parseParameters(&varargs); | |
| 5372 while (1) | |
| 5373 { | |
| 5374 if (token.value == TOK.TOKpure) | |
| 5375 ispure = true; | |
| 5376 else if (token.value == TOK.TOKnothrow) | |
| 5377 isnothrow = true; | |
| 5378 else | |
| 5379 break; | |
| 5380 nextToken(); | |
| 5381 } | |
| 5382 } | |
| 5383 | |
| 5384 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5385 tf.ispure = ispure; | |
| 5386 tf.isnothrow = isnothrow; | |
| 5387 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5388 parseContracts(fd); | |
| 5389 e = new FuncExp(loc, fd); | |
| 5390 break; | |
| 5391 } | |
| 5392 | |
| 5393 default: | |
| 5394 error("expression expected, not '%s'", token.toChars()); | |
| 5395 Lerr: | |
| 5396 // Anything for e, as long as it's not null | |
| 5397 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5398 nextToken(); | |
| 5399 break; | |
| 5400 } | |
| 5401 return e; | |
| 5402 } | |
| 5403 | |
| 5404 Expression parseUnaryExp() | |
| 5405 { | |
| 5406 Expression e; | |
| 5407 Loc loc = this.loc; | |
| 5408 | |
| 5409 switch (token.value) | |
| 5410 { | |
| 5411 case TOK.TOKand: | |
| 5412 nextToken(); | |
| 5413 e = parseUnaryExp(); | |
| 5414 e = new AddrExp(loc, e); | |
| 5415 break; | |
| 5416 | |
| 5417 case TOK.TOKplusplus: | |
| 5418 nextToken(); | |
| 5419 e = parseUnaryExp(); | |
| 5420 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5421 break; | |
| 5422 | |
| 5423 case TOK.TOKminusminus: | |
| 5424 nextToken(); | |
| 5425 e = parseUnaryExp(); | |
| 5426 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5427 break; | |
| 5428 | |
| 5429 case TOK.TOKmul: | |
| 5430 nextToken(); | |
| 5431 e = parseUnaryExp(); | |
| 5432 e = new PtrExp(loc, e); | |
| 5433 break; | |
| 5434 | |
| 5435 case TOK.TOKmin: | |
| 5436 nextToken(); | |
| 5437 e = parseUnaryExp(); | |
| 5438 e = new NegExp(loc, e); | |
| 5439 break; | |
| 5440 | |
| 5441 case TOK.TOKadd: | |
| 5442 nextToken(); | |
| 5443 e = parseUnaryExp(); | |
| 5444 e = new UAddExp(loc, e); | |
| 5445 break; | |
| 5446 | |
| 5447 case TOK.TOKnot: | |
| 5448 nextToken(); | |
| 5449 e = parseUnaryExp(); | |
| 5450 e = new NotExp(loc, e); | |
| 5451 break; | |
| 5452 | |
| 5453 case TOK.TOKtilde: | |
| 5454 nextToken(); | |
| 5455 e = parseUnaryExp(); | |
| 5456 e = new ComExp(loc, e); | |
| 5457 break; | |
| 5458 | |
| 5459 case TOK.TOKdelete: | |
| 5460 nextToken(); | |
| 5461 e = parseUnaryExp(); | |
| 5462 e = new DeleteExp(loc, e); | |
| 5463 break; | |
| 5464 | |
| 5465 case TOK.TOKnew: | |
| 5466 e = parseNewExp(null); | |
| 5467 break; | |
| 5468 | |
| 5469 case TOK.TOKcast: // cast(type) expression | |
| 5470 { | |
| 5471 nextToken(); | |
| 5472 check(TOK.TOKlparen); | |
| 5473 /* Look for cast(), cast(const), cast(immutable), | |
| 5474 * cast(shared), cast(shared const) | |
| 5475 */ | |
| 5476 MOD m; | |
| 5477 if (token.value == TOK.TOKrparen) | |
| 5478 { | |
| 5479 m = MOD.MODundefined; | |
| 5480 goto Lmod1; | |
| 5481 } | |
| 5482 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5483 { | |
| 5484 m = MOD.MODconst; | |
| 5485 goto Lmod2; | |
| 5486 } | |
| 5487 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5488 { | |
| 5489 m = MOD.MODinvariant; | |
| 5490 goto Lmod2; | |
| 5491 } | |
| 5492 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5493 { | |
| 5494 m = MOD.MODshared; | |
| 5495 goto Lmod2; | |
| 5496 } | |
| 5497 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5498 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5499 { | |
| 5500 m = MOD.MODshared | MOD.MODconst; | |
| 5501 nextToken(); | |
| 5502 Lmod2: | |
| 5503 nextToken(); | |
| 5504 Lmod1: | |
| 5505 nextToken(); | |
| 5506 e = parseUnaryExp(); | |
| 5507 e = new CastExp(loc, e, m); | |
| 5508 } | |
| 5509 else | |
| 5510 { | |
| 5511 Type t = parseType(); // ( type ) | |
| 5512 check(TOK.TOKrparen); | |
| 5513 e = parseUnaryExp(); | |
| 5514 e = new CastExp(loc, e, t); | |
| 5515 } | |
| 5516 break; | |
| 5517 } | |
| 5518 | |
| 5519 case TOK.TOKlparen: | |
| 5520 { Token *tk; | |
| 5521 | |
| 5522 tk = peek(&token); | |
| 5523 version (CCASTSYNTAX) { | |
| 5524 // If cast | |
| 5525 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5526 { | |
| 5527 tk = peek(tk); // skip over right parenthesis | |
| 5528 switch (tk.value) | |
| 5529 { | |
| 5530 case TOK.TOKnot: | |
| 5531 tk = peek(tk); | |
| 5532 if (tk.value == TOK.TOKis) // !is | |
| 5533 break; | |
| 5534 case TOK.TOKdot: | |
| 5535 case TOK.TOKplusplus: | |
| 5536 case TOK.TOKminusminus: | |
| 5537 case TOK.TOKdelete: | |
| 5538 case TOK.TOKnew: | |
| 5539 case TOK.TOKlparen: | |
| 5540 case TOK.TOKidentifier: | |
| 5541 case TOK.TOKthis: | |
| 5542 case TOK.TOKsuper: | |
| 5543 case TOK.TOKint32v: | |
| 5544 case TOK.TOKuns32v: | |
| 5545 case TOK.TOKint64v: | |
| 5546 case TOK.TOKuns64v: | |
| 5547 case TOK.TOKfloat32v: | |
| 5548 case TOK.TOKfloat64v: | |
| 5549 case TOK.TOKfloat80v: | |
| 5550 case TOK.TOKimaginary32v: | |
| 5551 case TOK.TOKimaginary64v: | |
| 5552 case TOK.TOKimaginary80v: | |
| 5553 case TOK.TOKnull: | |
| 5554 case TOK.TOKtrue: | |
| 5555 case TOK.TOKfalse: | |
| 5556 case TOK.TOKcharv: | |
| 5557 case TOK.TOKwcharv: | |
| 5558 case TOK.TOKdcharv: | |
| 5559 case TOK.TOKstring: | |
| 5560 static if (false) { | |
| 5561 case TOK.TOKtilde: | |
| 5562 case TOK.TOKand: | |
| 5563 case TOK.TOKmul: | |
| 5564 case TOK.TOKmin: | |
| 5565 case TOK.TOKadd: | |
| 5566 } | |
| 5567 case TOK.TOKfunction: | |
| 5568 case TOK.TOKdelegate: | |
| 5569 case TOK.TOKtypeof: | |
| 5570 version (DMDV2) { | |
| 5571 case TOK.TOKfile: | |
| 5572 case TOK.TOKline: | |
| 5573 } | |
| 5574 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5575 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5576 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5577 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5578 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5579 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5580 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5581 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5582 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5583 case TOK.TOKvoid: // (type)int.size | |
| 5584 { | |
| 5585 // (type) una_exp | |
| 5586 nextToken(); | |
| 5587 Type t = parseType(); | |
| 5588 check(TOK.TOKrparen); | |
| 5589 | |
| 5590 // if .identifier | |
| 5591 if (token.value == TOK.TOKdot) | |
| 5592 { | |
| 5593 nextToken(); | |
| 5594 if (token.value != TOK.TOKidentifier) | |
| 5595 { | |
| 5596 error("Identifier expected following (type)."); | |
| 5597 return null; | |
| 5598 } | |
| 5599 e = typeDotIdExp(loc, t, token.ident); | |
| 5600 nextToken(); | |
| 5601 e = parsePostExp(e); | |
| 5602 } | |
| 5603 else | |
| 5604 { | |
| 5605 e = parseUnaryExp(); | |
| 5606 e = new CastExp(loc, e, t); | |
| 5607 error("C style cast illegal, use %s", e.toChars()); | |
| 5608 } | |
| 5609 return e; | |
| 5610 } | |
| 5611 | |
| 5612 default: | |
| 5613 break; /// | |
| 5614 } | |
| 5615 } | |
| 5616 } | |
| 5617 e = parsePrimaryExp(); | |
| 5618 e = parsePostExp(e); | |
| 5619 break; | |
| 5620 } | |
| 5621 default: | |
| 5622 e = parsePrimaryExp(); | |
| 5623 e = parsePostExp(e); | |
| 5624 break; | |
| 5625 } | |
| 5626 assert(e); | |
| 5627 return e; | |
| 5628 } | |
| 5629 | |
| 5630 Expression parsePostExp(Expression e) | |
| 5631 { | |
| 5632 Loc loc; | |
| 5633 | |
| 5634 while (1) | |
| 5635 { | |
| 5636 loc = this.loc; | |
| 5637 switch (token.value) | |
| 5638 { | |
| 5639 case TOK.TOKdot: | |
| 5640 nextToken(); | |
| 5641 if (token.value == TOK.TOKidentifier) | |
| 5642 { Identifier id = token.ident; | |
| 5643 | |
| 5644 nextToken(); | |
| 5645 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5646 { // identifier!(template-argument-list) | |
| 5647 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5648 nextToken(); | |
| 5649 if (token.value == TOK.TOKlparen) | |
| 5650 // ident!(template_arguments) | |
| 5651 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5652 else | |
| 5653 // ident!template_argument | |
| 5654 tempinst.tiargs = parseTemplateArgument(); | |
| 5655 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5656 } | |
| 5657 else | |
| 5658 e = new DotIdExp(loc, e, id); | |
| 5659 continue; | |
| 5660 } | |
| 5661 else if (token.value == TOK.TOKnew) | |
| 5662 { | |
| 5663 e = parseNewExp(e); | |
| 5664 continue; | |
| 5665 } | |
| 5666 else | |
| 5667 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5668 break; | |
| 5669 | |
| 5670 case TOK.TOKplusplus: | |
| 5671 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5672 break; | |
| 5673 | |
| 5674 case TOK.TOKminusminus: | |
| 5675 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5676 break; | |
| 5677 | |
| 5678 case TOK.TOKlparen: | |
| 5679 e = new CallExp(loc, e, parseArguments()); | |
| 5680 continue; | |
| 5681 | |
| 5682 case TOK.TOKlbracket: | |
| 5683 { // array dereferences: | |
| 5684 // array[index] | |
| 5685 // array[] | |
| 5686 // array[lwr .. upr] | |
| 5687 Expression index; | |
| 5688 Expression upr; | |
| 5689 | |
| 5690 inBrackets++; | |
| 5691 nextToken(); | |
| 5692 if (token.value == TOK.TOKrbracket) | |
| 5693 { // array[] | |
| 5694 e = new SliceExp(loc, e, null, null); | |
| 5695 nextToken(); | |
| 5696 } | |
| 5697 else | |
| 5698 { | |
| 5699 index = parseAssignExp(); | |
| 5700 if (token.value == TOK.TOKslice) | |
| 5701 { // array[lwr .. upr] | |
| 5702 nextToken(); | |
| 5703 upr = parseAssignExp(); | |
| 5704 e = new SliceExp(loc, e, index, upr); | |
| 5705 } | |
| 5706 else | |
| 5707 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5708 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5709 arguments.push(index); |
| 0 | 5710 if (token.value == TOK.TOKcomma) |
| 5711 { | |
| 5712 nextToken(); | |
| 5713 while (1) | |
| 5714 { Expression arg; | |
| 5715 | |
| 5716 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5717 arguments.push(arg); |
| 0 | 5718 if (token.value == TOK.TOKrbracket) |
| 5719 break; | |
| 5720 check(TOK.TOKcomma); | |
| 5721 } | |
| 5722 } | |
| 5723 e = new ArrayExp(loc, e, arguments); | |
| 5724 } | |
| 5725 check(TOK.TOKrbracket); | |
| 5726 inBrackets--; | |
| 5727 } | |
| 5728 continue; | |
| 5729 } | |
| 5730 | |
| 5731 default: | |
| 5732 return e; | |
| 5733 } | |
| 5734 nextToken(); | |
| 5735 } | |
| 5736 | |
| 5737 assert(false); | |
| 5738 } | |
| 5739 | |
| 5740 Expression parseMulExp() | |
| 5741 { | |
| 5742 Expression e; | |
| 5743 Expression e2; | |
| 5744 Loc loc = this.loc; | |
| 5745 | |
| 5746 e = parseUnaryExp(); | |
| 5747 while (1) | |
| 5748 { | |
| 5749 switch (token.value) | |
| 5750 { | |
| 5751 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5752 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5753 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5754 | |
| 5755 default: | |
| 5756 break; | |
| 5757 } | |
| 5758 break; | |
| 5759 } | |
| 5760 return e; | |
| 5761 } | |
| 5762 | |
| 5763 Expression parseShiftExp() | |
| 5764 { | |
| 5765 Expression e; | |
| 5766 Expression e2; | |
| 5767 Loc loc = this.loc; | |
| 5768 | |
| 5769 e = parseAddExp(); | |
| 5770 while (1) | |
| 5771 { | |
| 5772 switch (token.value) | |
| 5773 { | |
| 5774 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5775 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5776 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5777 | |
| 5778 default: | |
| 5779 break; | |
| 5780 } | |
| 5781 break; | |
| 5782 } | |
| 5783 return e; | |
| 5784 } | |
| 5785 | |
| 5786 Expression parseAddExp() | |
| 5787 { | |
| 5788 Expression e; | |
| 5789 Expression e2; | |
| 5790 Loc loc = this.loc; | |
| 5791 | |
| 5792 e = parseMulExp(); | |
| 5793 while (1) | |
| 5794 { | |
| 5795 switch (token.value) | |
| 5796 { | |
| 5797 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5798 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5799 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5800 | |
| 5801 default: | |
| 5802 break; | |
| 5803 } | |
| 5804 break; | |
| 5805 } | |
| 5806 return e; | |
| 5807 } | |
| 5808 | |
| 5809 Expression parseRelExp() | |
| 5810 { | |
| 5811 assert(false); | |
| 5812 } | |
| 5813 | |
| 5814 Expression parseEqualExp() | |
| 5815 { | |
| 5816 assert(false); | |
| 5817 } | |
| 5818 | |
| 5819 Expression parseCmpExp() | |
| 5820 { | |
| 5821 Expression e; | |
| 5822 Expression e2; | |
| 5823 Token* t; | |
| 5824 Loc loc = this.loc; | |
| 5825 | |
| 5826 e = parseShiftExp(); | |
| 5827 TOK op = token.value; | |
| 5828 | |
| 5829 switch (op) | |
| 5830 { | |
| 5831 case TOK.TOKequal: | |
| 5832 case TOK.TOKnotequal: | |
| 5833 nextToken(); | |
| 5834 e2 = parseShiftExp(); | |
| 5835 e = new EqualExp(op, loc, e, e2); | |
| 5836 break; | |
| 5837 | |
| 5838 case TOK.TOKis: | |
| 5839 op = TOK.TOKidentity; | |
| 5840 goto L1; | |
| 5841 | |
| 5842 case TOK.TOKnot: | |
| 5843 // Attempt to identify '!is' | |
| 5844 t = peek(&token); | |
| 5845 if (t.value != TOK.TOKis) | |
| 5846 break; | |
| 5847 nextToken(); | |
| 5848 op = TOK.TOKnotidentity; | |
| 5849 goto L1; | |
| 5850 | |
| 5851 L1: | |
| 5852 nextToken(); | |
| 5853 e2 = parseShiftExp(); | |
| 5854 e = new IdentityExp(op, loc, e, e2); | |
| 5855 break; | |
| 5856 | |
| 5857 case TOK.TOKlt: | |
| 5858 case TOK.TOKle: | |
| 5859 case TOK.TOKgt: | |
| 5860 case TOK.TOKge: | |
| 5861 case TOK.TOKunord: | |
| 5862 case TOK.TOKlg: | |
| 5863 case TOK.TOKleg: | |
| 5864 case TOK.TOKule: | |
| 5865 case TOK.TOKul: | |
| 5866 case TOK.TOKuge: | |
| 5867 case TOK.TOKug: | |
| 5868 case TOK.TOKue: | |
| 5869 nextToken(); | |
| 5870 e2 = parseShiftExp(); | |
| 5871 e = new CmpExp(op, loc, e, e2); | |
| 5872 break; | |
| 5873 | |
| 5874 case TOK.TOKin: | |
| 5875 nextToken(); | |
| 5876 e2 = parseShiftExp(); | |
| 5877 e = new InExp(loc, e, e2); | |
| 5878 break; | |
| 5879 | |
| 5880 default: | |
| 5881 break; | |
| 5882 } | |
| 5883 return e; | |
| 5884 } | |
| 5885 | |
| 5886 Expression parseAndExp() | |
| 5887 { | |
| 5888 Expression e; | |
| 5889 Expression e2; | |
| 5890 Loc loc = this.loc; | |
| 5891 | |
| 5892 if (global.params.Dversion == 1) | |
| 5893 { | |
| 5894 e = parseEqualExp(); | |
| 5895 while (token.value == TOK.TOKand) | |
| 5896 { | |
| 5897 nextToken(); | |
| 5898 e2 = parseEqualExp(); | |
| 5899 e = new AndExp(loc,e,e2); | |
| 5900 loc = this.loc; | |
| 5901 } | |
| 5902 } | |
| 5903 else | |
| 5904 { | |
| 5905 e = parseCmpExp(); | |
| 5906 while (token.value == TOK.TOKand) | |
| 5907 { | |
| 5908 nextToken(); | |
| 5909 e2 = parseCmpExp(); | |
| 5910 e = new AndExp(loc,e,e2); | |
| 5911 loc = this.loc; | |
| 5912 } | |
| 5913 } | |
| 5914 return e; | |
| 5915 } | |
| 5916 | |
| 5917 Expression parseXorExp() | |
| 5918 { | |
| 5919 Expression e; | |
| 5920 Expression e2; | |
| 5921 Loc loc = this.loc; | |
| 5922 | |
| 5923 e = parseAndExp(); | |
| 5924 while (token.value == TOK.TOKxor) | |
| 5925 { | |
| 5926 nextToken(); | |
| 5927 e2 = parseAndExp(); | |
| 5928 e = new XorExp(loc, e, e2); | |
| 5929 } | |
| 5930 | |
| 5931 return e; | |
| 5932 } | |
| 5933 | |
| 5934 Expression parseOrExp() | |
| 5935 { | |
| 5936 Expression e; | |
| 5937 Expression e2; | |
| 5938 Loc loc = this.loc; | |
| 5939 | |
| 5940 e = parseXorExp(); | |
| 5941 while (token.value == TOK.TOKor) | |
| 5942 { | |
| 5943 nextToken(); | |
| 5944 e2 = parseXorExp(); | |
| 5945 e = new OrExp(loc, e, e2); | |
| 5946 } | |
| 5947 return e; | |
| 5948 } | |
| 5949 | |
| 5950 Expression parseAndAndExp() | |
| 5951 { | |
| 5952 Expression e; | |
| 5953 Expression e2; | |
| 5954 Loc loc = this.loc; | |
| 5955 | |
| 5956 e = parseOrExp(); | |
| 5957 while (token.value == TOK.TOKandand) | |
| 5958 { | |
| 5959 nextToken(); | |
| 5960 e2 = parseOrExp(); | |
| 5961 e = new AndAndExp(loc, e, e2); | |
| 5962 } | |
| 5963 return e; | |
| 5964 } | |
| 5965 | |
| 5966 Expression parseOrOrExp() | |
| 5967 { | |
| 5968 Expression e; | |
| 5969 Expression e2; | |
| 5970 Loc loc = this.loc; | |
| 5971 | |
| 5972 e = parseAndAndExp(); | |
| 5973 while (token.value == TOK.TOKoror) | |
| 5974 { | |
| 5975 nextToken(); | |
| 5976 e2 = parseAndAndExp(); | |
| 5977 e = new OrOrExp(loc, e, e2); | |
| 5978 } | |
| 5979 | |
| 5980 return e; | |
| 5981 } | |
| 5982 | |
| 5983 Expression parseCondExp() | |
| 5984 { | |
| 5985 Expression e; | |
| 5986 Expression e1; | |
| 5987 Expression e2; | |
| 5988 Loc loc = this.loc; | |
| 5989 | |
| 5990 e = parseOrOrExp(); | |
| 5991 if (token.value == TOK.TOKquestion) | |
| 5992 { | |
| 5993 nextToken(); | |
| 5994 e1 = parseExpression(); | |
| 5995 check(TOK.TOKcolon); | |
| 5996 e2 = parseCondExp(); | |
| 5997 e = new CondExp(loc, e, e1, e2); | |
| 5998 } | |
| 5999 return e; | |
| 6000 } | |
| 6001 | |
| 6002 Expression parseAssignExp() | |
| 6003 { | |
| 6004 Expression e; | |
| 6005 Expression e2; | |
| 6006 Loc loc; | |
| 6007 | |
| 6008 e = parseCondExp(); | |
| 6009 while (1) | |
| 6010 { | |
| 6011 loc = this.loc; | |
| 6012 switch (token.value) | |
| 6013 { | |
| 6014 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6015 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6016 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6017 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6018 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6019 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 6020 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 6021 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6022 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6023 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6024 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6025 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6026 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6027 | |
| 6028 default: | |
| 6029 break; | |
| 6030 } | |
| 6031 break; | |
| 6032 } | |
| 6033 | |
| 6034 return e; | |
| 6035 } | |
| 6036 | |
| 6037 /************************* | |
| 6038 * Collect argument list. | |
| 6039 * Assume current token is ',', '(' or '['. | |
| 6040 */ | |
| 6041 Expressions parseArguments() | |
| 6042 { | |
| 6043 // function call | |
| 6044 Expressions arguments = new Expressions(); | |
| 6045 Expression arg; | |
| 6046 TOK endtok; | |
| 6047 | |
| 6048 if (token.value == TOK.TOKlbracket) | |
| 6049 endtok = TOK.TOKrbracket; | |
| 6050 else | |
| 6051 endtok = TOK.TOKrparen; | |
| 6052 | |
| 6053 { | |
| 6054 nextToken(); | |
| 6055 if (token.value != endtok) | |
| 6056 { | |
| 6057 while (1) | |
| 6058 { | |
| 6059 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6060 arguments.push(arg); |
| 0 | 6061 if (token.value == endtok) |
| 6062 break; | |
| 6063 check(TOK.TOKcomma); | |
| 6064 } | |
| 6065 } | |
| 6066 check(endtok); | |
| 6067 } | |
| 6068 return arguments; | |
| 6069 } | |
| 6070 | |
| 6071 Expression parseNewExp(Expression thisexp) | |
| 6072 { | |
| 6073 Type t; | |
| 6074 Expressions newargs; | |
| 6075 Expressions arguments = null; | |
| 6076 Expression e; | |
| 6077 Loc loc = this.loc; | |
| 6078 | |
| 6079 nextToken(); | |
| 6080 newargs = null; | |
| 6081 if (token.value == TOKlparen) | |
| 6082 { | |
| 6083 newargs = parseArguments(); | |
| 6084 } | |
| 6085 | |
| 6086 // An anonymous nested class starts with "class" | |
| 6087 if (token.value == TOKclass) | |
| 6088 { | |
| 6089 nextToken(); | |
| 6090 if (token.value == TOKlparen) | |
| 6091 arguments = parseArguments(); | |
| 6092 | |
| 6093 BaseClasses baseclasses = null; | |
| 6094 if (token.value != TOKlcurly) | |
| 6095 baseclasses = parseBaseClasses(); | |
| 6096 | |
| 6097 Identifier id = null; | |
| 6098 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6099 | |
| 6100 if (token.value != TOKlcurly) | |
| 6101 { | |
| 6102 error("{ members } expected for anonymous class"); | |
| 6103 cd.members = null; | |
| 6104 } | |
| 6105 else | |
| 6106 { | |
| 6107 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6108 auto decl = parseDeclDefs(0); |
| 0 | 6109 if (token.value != TOKrcurly) |
| 6110 error("class member expected"); | |
| 6111 nextToken(); | |
| 6112 cd.members = decl; | |
| 6113 } | |
| 6114 | |
| 6115 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6116 | |
| 6117 return e; | |
| 6118 } | |
| 6119 | |
| 6120 t = parseBasicType(); | |
| 6121 t = parseBasicType2(t); | |
| 6122 if (t.ty == Taarray) | |
| 6123 { | |
| 6124 TypeAArray taa = cast(TypeAArray)t; | |
| 6125 Type index = taa.index; | |
| 6126 | |
| 6127 Expression e2 = index.toExpression(); | |
| 6128 if (e2) | |
| 6129 { | |
| 6130 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6131 arguments.push(e2); |
| 0 | 6132 t = new TypeDArray(taa.next); |
| 6133 } | |
| 6134 else | |
| 6135 { | |
| 6136 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6137 return new NullExp(loc); | |
| 6138 } | |
| 6139 } | |
| 6140 else if (t.ty == Tsarray) | |
| 6141 { | |
| 6142 TypeSArray tsa = cast(TypeSArray)t; | |
| 6143 Expression ee = tsa.dim; | |
| 6144 | |
| 6145 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6146 arguments.push(ee); |
| 0 | 6147 t = new TypeDArray(tsa.next); |
| 6148 } | |
| 6149 else if (token.value == TOKlparen) | |
| 6150 { | |
| 6151 arguments = parseArguments(); | |
| 6152 } | |
| 6153 | |
| 6154 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6155 return e; | |
| 6156 } | |
| 6157 | |
| 79 | 6158 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6159 { |
| 6160 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6161 token.lineComment = null; | |
| 6162 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6163 } |