Mercurial > projects > ddmd
annotate dmd/Parser.d @ 126:1765f3ef917d
ClassDeclarations, Arguments -> Vector
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Fri, 03 Sep 2010 23:25:55 +0100 |
| parents | 767a01c2a272 |
| children | e6e542f37b94 |
| 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
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
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 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
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(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
765 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 766 v.storage_class = storageClass; |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
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
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
795 Dsymbols parseBlock() |
| 0 | 796 { |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
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
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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 } | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
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.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1091 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
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(); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
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; | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1225 foreach (param; tf.parameters) |
| 0 | 1226 { |
| 1227 if (param.ident is null && | |
| 1228 param.type && | |
| 1229 param.type.ty == Tident && | |
| 1230 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1231 ) | |
| 1232 { | |
| 1233 /* Switch parameter type to parameter identifier, | |
| 1234 * parameterize with template type parameter _T | |
| 1235 */ | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1236 auto pt = cast(TypeIdentifier)param.type; |
| 0 | 1237 param.ident = pt.ident; |
| 1238 Identifier id = Lexer.uniqueId("__T"); | |
| 1239 param.type = new TypeIdentifier(pt.loc, id); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1240 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1241 if (!tpl) |
| 1242 tpl = new TemplateParameters(); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1243 tpl.push(tp); |
| 0 | 1244 } |
| 1245 } | |
| 1246 | |
| 1247 if (tpl) | |
| 1248 { | |
| 1249 // Wrap a template around function fd | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1250 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1251 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1252 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1253 tempdecl.literal = 1; // it's a template 'literal' |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1254 tiargs.push(tempdecl); |
| 0 | 1255 goto L1; |
| 1256 } | |
| 1257 } | |
| 1258 } | |
| 1259 | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1260 tiargs.push(ea); |
| 0 | 1261 } |
| 1262 L1: | |
| 1263 if (token.value != TOKcomma) | |
| 1264 break; | |
| 1265 nextToken(); | |
| 1266 } | |
| 1267 } | |
| 1268 check(endtok, "template argument list"); | |
| 1269 return tiargs; | |
| 1270 } | |
| 1271 | |
| 2 | 1272 /***************************** |
| 1273 * Parse single template argument, to support the syntax: | |
| 1274 * foo!arg | |
| 1275 * Input: | |
| 1276 * current token is the arg | |
| 1277 */ | |
| 0 | 1278 Objects parseTemplateArgument() |
| 1279 { | |
| 2 | 1280 //printf("parseTemplateArgument()\n"); |
| 1281 Objects tiargs = new Objects(); | |
| 1282 Type ta; | |
| 1283 switch (token.value) | |
| 1284 { | |
| 1285 case TOKidentifier: | |
| 1286 ta = new TypeIdentifier(loc, token.ident); | |
| 1287 goto LabelX; | |
| 1288 | |
| 1289 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1290 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1291 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1292 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1293 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1294 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1295 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1296 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1297 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1298 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1299 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1300 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1301 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1302 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1303 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1304 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1305 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1306 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1307 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1308 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1309 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1310 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1311 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1312 LabelX: | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1313 tiargs.push(ta); |
| 2 | 1314 nextToken(); |
| 1315 break; | |
| 1316 | |
| 1317 case TOKint32v: | |
| 1318 case TOKuns32v: | |
| 1319 case TOKint64v: | |
| 1320 case TOKuns64v: | |
| 1321 case TOKfloat32v: | |
| 1322 case TOKfloat64v: | |
| 1323 case TOKfloat80v: | |
| 1324 case TOKimaginary32v: | |
| 1325 case TOKimaginary64v: | |
| 1326 case TOKimaginary80v: | |
| 1327 case TOKnull: | |
| 1328 case TOKtrue: | |
| 1329 case TOKfalse: | |
| 1330 case TOKcharv: | |
| 1331 case TOKwcharv: | |
| 1332 case TOKdcharv: | |
| 1333 case TOKstring: | |
| 1334 case TOKfile: | |
| 1335 case TOKline: | |
| 1336 { | |
| 1337 // Template argument is an expression | |
| 1338 Expression ea = parsePrimaryExp(); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1339 tiargs.push(ea); |
| 2 | 1340 break; |
| 1341 } | |
| 1342 | |
| 1343 default: | |
| 1344 error("template argument expected following !"); | |
| 1345 break; | |
| 1346 } | |
| 1347 | |
| 1348 if (token.value == TOKnot) | |
| 1349 error("multiple ! arguments are not allowed"); | |
| 1350 return tiargs; | |
| 0 | 1351 } |
| 1352 | |
| 1353 /********************************** | |
| 1354 * Parse a static assertion. | |
| 1355 */ | |
| 1356 StaticAssert parseStaticAssert() | |
| 1357 { | |
| 1358 Loc loc = this.loc; | |
| 1359 Expression exp; | |
| 1360 Expression msg = null; | |
| 1361 | |
| 1362 //printf("parseStaticAssert()\n"); | |
| 1363 nextToken(); | |
| 1364 check(TOK.TOKlparen); | |
| 1365 exp = parseAssignExp(); | |
| 1366 if (token.value == TOK.TOKcomma) | |
| 1367 { | |
| 1368 nextToken(); | |
| 1369 msg = parseAssignExp(); | |
| 1370 } | |
| 1371 | |
| 1372 check(TOK.TOKrparen); | |
| 1373 check(TOK.TOKsemicolon); | |
| 1374 | |
| 1375 return new StaticAssert(loc, exp, msg); | |
| 1376 } | |
| 1377 | |
| 1378 TypeQualified parseTypeof() | |
| 1379 { | |
| 1380 TypeQualified t; | |
| 1381 Loc loc = this.loc; | |
| 1382 | |
| 1383 nextToken(); | |
| 1384 check(TOK.TOKlparen); | |
| 1385 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1386 { | |
| 1387 nextToken(); | |
| 1388 t = new TypeReturn(loc); | |
| 1389 } | |
| 1390 else | |
| 1391 { | |
| 1392 Expression exp = parseExpression(); // typeof(expression) | |
| 1393 t = new TypeTypeof(loc, exp); | |
| 1394 } | |
| 1395 check(TOK.TOKrparen); | |
| 1396 return t; | |
| 1397 } | |
| 1398 | |
| 1399 /*********************************** | |
| 1400 * Parse extern (linkage) | |
| 1401 * The parser is on the 'extern' token. | |
| 1402 */ | |
| 1403 LINK parseLinkage() | |
| 1404 { | |
| 1405 LINK link = LINK.LINKdefault; | |
| 1406 nextToken(); | |
| 1407 assert(token.value == TOK.TOKlparen); | |
| 1408 nextToken(); | |
| 1409 if (token.value == TOK.TOKidentifier) | |
| 1410 { | |
| 1411 Identifier id = token.ident; | |
| 1412 | |
| 1413 nextToken(); | |
| 1414 if (id == Id.Windows) | |
| 1415 link = LINK.LINKwindows; | |
| 1416 else if (id == Id.Pascal) | |
| 1417 link = LINK.LINKpascal; | |
| 1418 else if (id == Id.D) | |
| 1419 link = LINK.LINKd; | |
| 1420 else if (id == Id.C) | |
| 1421 { | |
| 1422 link = LINK.LINKc; | |
| 1423 if (token.value == TOK.TOKplusplus) | |
| 1424 { | |
| 1425 link = LINK.LINKcpp; | |
| 1426 nextToken(); | |
| 1427 } | |
| 1428 } | |
| 1429 else if (id == Id.System) | |
| 1430 { | |
| 114 | 1431 version (Windows) |
| 1432 { | |
| 0 | 1433 link = LINK.LINKwindows; |
| 114 | 1434 } |
| 1435 else | |
| 1436 { | |
| 0 | 1437 link = LINK.LINKc; |
| 1438 } | |
| 1439 } | |
| 1440 else | |
| 1441 { | |
| 1442 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1443 link = LINK.LINKd; | |
| 1444 } | |
| 1445 } | |
| 1446 else | |
| 1447 { | |
| 1448 link = LINK.LINKd; // default | |
| 1449 } | |
| 1450 check(TOK.TOKrparen); | |
| 1451 | |
| 1452 return link; | |
| 1453 } | |
| 1454 | |
| 1455 | |
| 1456 /************************************** | |
| 1457 * Parse a debug conditional | |
| 1458 */ | |
| 1459 Condition parseDebugCondition() | |
| 1460 { | |
| 1461 Condition c; | |
| 1462 | |
| 1463 if (token.value == TOK.TOKlparen) | |
| 1464 { | |
| 1465 nextToken(); | |
| 1466 uint level = 1; | |
| 1467 Identifier id = null; | |
| 1468 | |
| 1469 if (token.value == TOK.TOKidentifier) | |
| 1470 id = token.ident; | |
| 1471 else if (token.value == TOK.TOKint32v) | |
| 1472 level = cast(uint)token.uns64value; | |
| 1473 else | |
| 1474 error("identifier or integer expected, not %s", token.toChars()); | |
| 1475 | |
| 1476 nextToken(); | |
| 1477 check(TOK.TOKrparen); | |
| 1478 | |
| 1479 c = new DebugCondition(mod, level, id); | |
| 1480 } | |
| 1481 else | |
| 1482 c = new DebugCondition(mod, 1, null); | |
| 1483 | |
| 1484 return c; | |
| 1485 } | |
| 1486 | |
| 1487 /************************************** | |
| 1488 * Parse a version conditional | |
| 1489 */ | |
| 1490 Condition parseVersionCondition() | |
| 1491 { | |
| 1492 Condition c; | |
| 1493 uint level = 1; | |
| 1494 Identifier id = null; | |
| 1495 | |
| 1496 if (token.value == TOK.TOKlparen) | |
| 1497 { | |
| 1498 nextToken(); | |
| 1499 if (token.value == TOK.TOKidentifier) | |
| 1500 id = token.ident; | |
| 1501 else if (token.value == TOK.TOKint32v) | |
| 1502 level = cast(uint)token.uns64value; | |
| 1503 else { | |
| 1504 version (DMDV2) { | |
| 1505 /* Allow: | |
| 1506 * version (unittest) | |
| 1507 * even though unittest is a keyword | |
| 1508 */ | |
| 1509 if (token.value == TOK.TOKunittest) | |
| 1510 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1511 else | |
| 1512 error("identifier or integer expected, not %s", token.toChars()); | |
| 1513 } else { | |
| 1514 error("identifier or integer expected, not %s", token.toChars()); | |
| 1515 } | |
| 1516 } | |
| 1517 nextToken(); | |
| 1518 check(TOK.TOKrparen); | |
| 1519 } | |
| 1520 else | |
| 1521 error("(condition) expected following version"); | |
| 1522 | |
| 1523 c = new VersionCondition(mod, level, id); | |
| 1524 | |
| 1525 return c; | |
| 1526 } | |
| 1527 | |
| 1528 /*********************************************** | |
| 1529 * static if (expression) | |
| 1530 * body | |
| 1531 * else | |
| 1532 * body | |
| 1533 */ | |
| 1534 Condition parseStaticIfCondition() | |
| 1535 { | |
| 1536 Expression exp; | |
| 1537 Condition condition; | |
| 1538 Array aif; | |
| 1539 Array aelse; | |
| 1540 Loc loc = this.loc; | |
| 1541 | |
| 1542 nextToken(); | |
| 1543 if (token.value == TOKlparen) | |
| 1544 { | |
| 1545 nextToken(); | |
| 1546 exp = parseAssignExp(); | |
| 1547 check(TOKrparen); | |
| 1548 } | |
| 1549 else | |
| 1550 { | |
| 1551 error("(expression) expected following static if"); | |
| 1552 exp = null; | |
| 1553 } | |
| 1554 condition = new StaticIfCondition(loc, exp); | |
| 1555 return condition; | |
| 1556 } | |
| 1557 | |
| 1558 /***************************************** | |
| 1559 * Parse a constructor definition: | |
| 1560 * this(parameters) { body } | |
| 1561 * or postblit: | |
| 1562 * this(this) { body } | |
| 1563 * or constructor template: | |
| 1564 * this(templateparameters)(parameters) { body } | |
| 1565 * Current token is 'this'. | |
| 1566 */ | |
| 1567 | |
| 1568 Dsymbol parseCtor() | |
| 1569 { | |
| 1570 Loc loc = this.loc; | |
| 1571 | |
| 1572 nextToken(); | |
| 1573 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1574 { // this(this) { ... } | |
| 1575 nextToken(); | |
| 1576 nextToken(); | |
| 1577 check(TOK.TOKrparen); | |
| 1578 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1579 parseContracts(f); | |
| 1580 return f; | |
| 1581 } | |
| 1582 | |
| 1583 /* Look ahead to see if: | |
| 1584 * this(...)(...) | |
| 1585 * which is a constructor template | |
| 1586 */ | |
| 1587 TemplateParameters tpl = null; | |
| 1588 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1589 { tpl = parseTemplateParameterList(); | |
| 1590 | |
| 1591 int varargs; | |
| 1592 Arguments arguments = parseParameters(&varargs); | |
| 1593 | |
| 1594 Expression constraint = null; | |
| 1595 if (tpl) | |
| 1596 constraint = parseConstraint(); | |
| 1597 | |
| 1598 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1599 parseContracts(f); | |
| 1600 | |
| 1601 // Wrap a template around it | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1602 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
|
1603 decldefs.push(f); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1604 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1605 return tempdecl; |
| 1606 } | |
| 1607 | |
| 1608 /* Just a regular constructor | |
| 1609 */ | |
| 1610 int varargs; | |
| 1611 Arguments arguments = parseParameters(&varargs); | |
| 1612 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1613 parseContracts(f); | |
| 1614 return f; | |
| 1615 } | |
| 1616 | |
| 1617 PostBlitDeclaration parsePostBlit() | |
| 1618 { | |
| 1619 assert(false); | |
| 1620 } | |
| 1621 | |
| 1622 /***************************************** | |
| 1623 * Parse a destructor definition: | |
| 1624 * ~this() { body } | |
| 1625 * Current token is '~'. | |
| 1626 */ | |
| 1627 DtorDeclaration parseDtor() | |
| 1628 { | |
| 1629 DtorDeclaration f; | |
| 1630 Loc loc = this.loc; | |
| 1631 | |
| 1632 nextToken(); | |
| 1633 check(TOKthis); | |
| 1634 check(TOKlparen); | |
| 1635 check(TOKrparen); | |
| 1636 | |
| 1637 f = new DtorDeclaration(loc, Loc(0)); | |
| 1638 parseContracts(f); | |
| 1639 return f; | |
| 1640 } | |
| 1641 | |
| 1642 /***************************************** | |
| 1643 * Parse a static constructor definition: | |
| 1644 * static this() { body } | |
| 1645 * Current token is 'this'. | |
| 1646 */ | |
| 1647 StaticCtorDeclaration parseStaticCtor() | |
| 1648 { | |
| 1649 StaticCtorDeclaration f; | |
| 1650 Loc loc = this.loc; | |
| 1651 | |
| 1652 nextToken(); | |
| 1653 check(TOKlparen); | |
| 1654 check(TOKrparen); | |
| 1655 | |
| 1656 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1657 parseContracts(f); | |
| 1658 return f; | |
| 1659 } | |
| 1660 | |
| 1661 /***************************************** | |
| 1662 * Parse a static destructor definition: | |
| 1663 * static ~this() { body } | |
| 1664 * Current token is '~'. | |
| 1665 */ | |
| 1666 StaticDtorDeclaration parseStaticDtor() | |
| 1667 { | |
| 1668 StaticDtorDeclaration f; | |
| 1669 Loc loc = this.loc; | |
| 1670 | |
| 1671 nextToken(); | |
| 1672 check(TOKthis); | |
| 1673 check(TOKlparen); | |
| 1674 check(TOKrparen); | |
| 1675 | |
| 1676 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1677 parseContracts(f); | |
| 1678 return f; | |
| 1679 } | |
| 1680 | |
| 1681 /***************************************** | |
| 1682 * Parse an invariant definition: | |
| 1683 * invariant() { body } | |
| 1684 * Current token is 'invariant'. | |
| 1685 */ | |
| 1686 InvariantDeclaration parseInvariant() | |
| 1687 { | |
| 1688 InvariantDeclaration f; | |
| 1689 Loc loc = this.loc; | |
| 1690 | |
| 1691 nextToken(); | |
| 1692 if (token.value == TOKlparen) // optional () | |
| 1693 { | |
| 1694 nextToken(); | |
| 1695 check(TOKrparen); | |
| 1696 } | |
| 1697 | |
| 1698 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1699 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1700 return f; | |
| 1701 } | |
| 1702 | |
| 1703 /***************************************** | |
| 1704 * Parse a unittest definition: | |
| 1705 * unittest { body } | |
| 1706 * Current token is 'unittest'. | |
| 1707 */ | |
| 1708 UnitTestDeclaration parseUnitTest() | |
| 1709 { | |
| 1710 Loc loc = this.loc; | |
| 1711 | |
| 1712 nextToken(); | |
| 1713 | |
| 1714 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1715 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1716 | |
| 1717 return f; | |
| 1718 } | |
| 1719 | |
| 123 | 1720 /***************************************** |
| 1721 * Parse a new definition: | |
| 1722 * new(arguments) { body } | |
| 1723 * Current token is 'new'. | |
| 1724 */ | |
| 0 | 1725 NewDeclaration parseNew() |
| 1726 { | |
| 123 | 1727 NewDeclaration f; |
| 1728 scope Arguments arguments = new Arguments(); | |
| 1729 int varargs; | |
| 1730 Loc loc = this.loc; | |
| 1731 | |
| 1732 nextToken(); | |
| 1733 arguments = parseParameters(&varargs); | |
| 1734 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1735 parseContracts(f); | |
| 1736 return f; | |
| 0 | 1737 } |
| 1738 | |
| 123 | 1739 /***************************************** |
| 1740 * Parse a delete definition: | |
| 1741 * delete(arguments) { body } | |
| 1742 * Current token is 'delete'. | |
| 1743 */ | |
| 0 | 1744 DeleteDeclaration parseDelete() |
| 1745 { | |
| 123 | 1746 DeleteDeclaration f; |
| 1747 scope Arguments arguments; | |
| 1748 int varargs; | |
| 1749 Loc loc = this.loc; | |
| 1750 | |
| 1751 nextToken(); | |
| 1752 arguments = parseParameters(&varargs); | |
| 1753 if (varargs) | |
| 1754 error("... not allowed in delete function parameter list"); | |
| 1755 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1756 parseContracts(f); | |
| 1757 return f; | |
| 0 | 1758 } |
| 1759 | |
| 1760 Arguments parseParameters(int* pvarargs) | |
| 1761 { | |
| 1762 Arguments arguments = new Arguments(); | |
| 1763 int varargs = 0; | |
| 1764 int hasdefault = 0; | |
| 1765 | |
| 1766 check(TOK.TOKlparen); | |
| 1767 while (1) | |
| 1768 { Type *tb; | |
| 1769 Identifier ai = null; | |
| 1770 Type at; | |
| 1771 Argument a; | |
| 1772 STC storageClass = STC.STCundefined; | |
| 1773 STC stc; | |
| 1774 Expression ae; | |
| 1775 | |
| 1776 for ( ;1; nextToken()) | |
| 1777 { | |
| 1778 switch (token.value) | |
| 1779 { | |
| 1780 case TOK.TOKrparen: | |
| 1781 break; | |
| 1782 | |
| 1783 case TOK.TOKdotdotdot: | |
| 1784 varargs = 1; | |
| 1785 nextToken(); | |
| 1786 break; | |
| 1787 | |
| 1788 case TOK.TOKconst: | |
| 1789 if (peek(&token).value == TOK.TOKlparen) | |
| 1790 goto Ldefault; | |
| 1791 stc = STC.STCconst; | |
| 1792 goto L2; | |
| 1793 | |
| 1794 case TOK.TOKinvariant: | |
| 1795 case TOK.TOKimmutable: | |
| 1796 if (peek(&token).value == TOK.TOKlparen) | |
| 1797 goto Ldefault; | |
| 1798 stc = STC.STCimmutable; | |
| 1799 goto L2; | |
| 1800 | |
| 1801 case TOK.TOKshared: | |
| 1802 if (peek(&token).value == TOK.TOKlparen) | |
| 1803 goto Ldefault; | |
| 1804 stc = STC.STCshared; | |
| 1805 goto L2; | |
| 1806 | |
| 1807 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1808 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1809 case TOK.TOKinout: | |
| 1810 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1811 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1812 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1813 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1814 L2: | |
| 1815 if (storageClass & stc || | |
| 1816 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1817 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1818 ) | |
| 1819 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1820 storageClass |= stc; | |
| 1821 composeStorageClass(storageClass); | |
| 1822 continue; | |
| 1823 | |
| 1824 static if (false) { | |
| 1825 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1826 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1827 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1828 L4: | |
| 1829 nextToken(); | |
| 1830 if (token.value == TOK.TOKidentifier) | |
| 1831 { ai = token.ident; | |
| 1832 nextToken(); | |
| 1833 } | |
| 1834 else | |
| 1835 ai = null; | |
| 1836 at = null; // no type | |
| 1837 ae = null; // no default argument | |
| 1838 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1839 { nextToken(); | |
| 1840 ae = parseDefaultInitExp(); | |
| 1841 hasdefault = 1; | |
| 1842 } | |
| 1843 else | |
| 1844 { if (hasdefault) | |
| 1845 error("default argument expected for alias %s", | |
| 1846 ai ? ai.toChars() : ""); | |
| 1847 } | |
| 1848 goto L3; | |
| 1849 } | |
| 1850 | |
| 1851 default: | |
| 1852 Ldefault: | |
| 1853 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1854 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1855 error("incompatible parameter storage classes"); | |
| 1856 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1857 error("out cannot be const"); | |
| 1858 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1859 error("out cannot be immutable"); | |
| 1860 if ((storageClass & STC.STCscope) && | |
| 1861 (storageClass & (STC.STCref | STC.STCout))) | |
| 1862 error("scope cannot be ref or out"); | |
| 1863 at = parseType(&ai); | |
| 1864 ae = null; | |
| 1865 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1866 { nextToken(); | |
| 1867 ae = parseDefaultInitExp(); | |
| 1868 hasdefault = 1; | |
| 1869 } | |
| 1870 else | |
| 1871 { if (hasdefault) | |
| 1872 error("default argument expected for %s", | |
| 1873 ai ? ai.toChars() : at.toChars()); | |
| 1874 } | |
| 1875 if (token.value == TOK.TOKdotdotdot) | |
| 1876 { /* This is: | |
| 1877 * at ai ... | |
| 1878 */ | |
| 1879 | |
| 1880 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1881 error("variadic argument cannot be out or ref"); | |
| 1882 varargs = 2; | |
| 1883 a = new Argument(storageClass, at, ai, ae); | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1884 arguments.push(a); |
| 0 | 1885 nextToken(); |
| 1886 break; | |
| 1887 } | |
| 1888 L3: | |
| 1889 a = new Argument(storageClass, at, ai, ae); | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1890 arguments.push(a); |
| 0 | 1891 if (token.value == TOK.TOKcomma) |
| 1892 { nextToken(); | |
| 1893 goto L1; | |
| 1894 } | |
| 1895 break; | |
| 1896 } | |
| 1897 break; | |
| 1898 } | |
| 1899 break; | |
| 1900 | |
| 1901 L1: ; | |
| 1902 } | |
| 1903 check(TOK.TOKrparen); | |
| 1904 *pvarargs = varargs; | |
| 1905 return arguments; | |
| 1906 } | |
| 1907 | |
| 1908 EnumDeclaration parseEnum() | |
| 1909 { | |
| 1910 EnumDeclaration e; | |
| 1911 Identifier id; | |
| 1912 Type memtype; | |
| 1913 Loc loc = this.loc; | |
| 1914 | |
| 1915 //printf("Parser.parseEnum()\n"); | |
| 1916 nextToken(); | |
| 1917 if (token.value == TOK.TOKidentifier) | |
| 1918 { | |
| 1919 id = token.ident; | |
| 1920 nextToken(); | |
| 1921 } | |
| 1922 else | |
| 1923 id = null; | |
| 1924 | |
| 1925 if (token.value == TOK.TOKcolon) | |
| 1926 { | |
| 1927 nextToken(); | |
| 1928 memtype = parseBasicType(); | |
| 1929 memtype = parseDeclarator(memtype, null, null); | |
| 1930 } | |
| 1931 else | |
| 1932 memtype = null; | |
| 1933 | |
| 1934 e = new EnumDeclaration(loc, id, memtype); | |
| 1935 if (token.value == TOK.TOKsemicolon && id) | |
| 1936 nextToken(); | |
| 1937 else if (token.value == TOK.TOKlcurly) | |
| 1938 { | |
| 1939 //printf("enum definition\n"); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1940 e.members = new Dsymbols(); |
| 0 | 1941 nextToken(); |
| 79 | 1942 string comment = token.blockComment; |
| 0 | 1943 while (token.value != TOK.TOKrcurly) |
| 1944 { | |
| 1945 /* Can take the following forms: | |
| 1946 * 1. ident | |
| 1947 * 2. ident = value | |
| 1948 * 3. type ident = value | |
| 1949 */ | |
| 1950 | |
| 1951 loc = this.loc; | |
| 1952 | |
| 1953 Type type = null; | |
| 1954 Identifier ident; | |
| 1955 Token* tp = peek(&token); | |
| 1956 if (token.value == TOK.TOKidentifier && | |
| 1957 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1958 { | |
| 1959 ident = token.ident; | |
| 1960 type = null; | |
| 1961 nextToken(); | |
| 1962 } | |
| 1963 else | |
| 1964 { | |
| 1965 type = parseType(&ident, null); | |
| 1966 if (id || memtype) | |
| 1967 error("type only allowed if anonymous enum and no enum type"); | |
| 1968 } | |
| 1969 | |
| 1970 Expression value; | |
| 1971 if (token.value == TOK.TOKassign) | |
| 1972 { | |
| 1973 nextToken(); | |
| 1974 value = parseAssignExp(); | |
| 1975 } | |
| 1976 else | |
| 1977 { | |
| 1978 value = null; | |
| 1979 if (type) | |
| 1980 error("if type, there must be an initializer"); | |
| 1981 } | |
| 1982 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1983 auto em = new EnumMember(loc, ident, value, type); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1984 e.members.push(em); |
| 0 | 1985 |
| 1986 if (token.value == TOK.TOKrcurly) { | |
| 1987 ; | |
| 1988 } else { | |
| 1989 addComment(em, comment); | |
| 1990 comment = null; | |
| 1991 check(TOK.TOKcomma); | |
| 1992 } | |
| 1993 addComment(em, comment); | |
| 1994 comment = token.blockComment; | |
| 1995 } | |
| 1996 nextToken(); | |
| 1997 } | |
| 1998 else | |
| 1999 error("enum declaration is invalid"); | |
| 2000 | |
| 2001 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2002 return e; | |
| 2003 } | |
| 2004 | |
| 2005 Dsymbol parseAggregate() | |
| 2006 { | |
| 2007 AggregateDeclaration a = null; | |
| 2008 int anon = 0; | |
| 2009 TOK tok; | |
| 2010 Identifier id; | |
| 2011 TemplateParameters tpl = null; | |
| 2012 Expression constraint = null; | |
| 2013 | |
| 2014 //printf("Parser.parseAggregate()\n"); | |
| 2015 tok = token.value; | |
| 2016 nextToken(); | |
| 2017 if (token.value != TOK.TOKidentifier) | |
| 2018 { | |
| 2019 id = null; | |
| 2020 } | |
| 2021 else | |
| 2022 { | |
| 2023 id = token.ident; | |
| 2024 nextToken(); | |
| 2025 | |
| 2026 if (token.value == TOK.TOKlparen) | |
| 2027 { | |
| 2028 // Class template declaration. | |
| 2029 | |
| 2030 // Gather template parameter list | |
| 2031 tpl = parseTemplateParameterList(); | |
| 2032 constraint = parseConstraint(); | |
| 2033 } | |
| 2034 } | |
| 2035 | |
| 2036 Loc loc = this.loc; | |
| 2037 switch (tok) | |
| 2038 { case TOK.TOKclass: | |
| 2039 case TOK.TOKinterface: | |
| 2040 { | |
| 2041 if (!id) | |
| 2042 error("anonymous classes not allowed"); | |
| 2043 | |
| 2044 // Collect base class(es) | |
| 2045 BaseClasses baseclasses = null; | |
| 2046 if (token.value == TOK.TOKcolon) | |
| 2047 { | |
| 2048 nextToken(); | |
| 2049 baseclasses = parseBaseClasses(); | |
| 2050 | |
| 2051 if (token.value != TOK.TOKlcurly) | |
| 2052 error("members expected"); | |
| 2053 } | |
| 2054 | |
| 2055 if (tok == TOK.TOKclass) | |
| 2056 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2057 else | |
| 2058 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2059 break; | |
| 2060 } | |
| 2061 | |
| 2062 case TOK.TOKstruct: | |
| 2063 if (id) | |
| 2064 a = new StructDeclaration(loc, id); | |
| 2065 else | |
| 2066 anon = 1; | |
| 2067 break; | |
| 2068 | |
| 2069 case TOK.TOKunion: | |
| 2070 if (id) | |
| 2071 a = new UnionDeclaration(loc, id); | |
| 2072 else | |
| 2073 anon = 2; | |
| 2074 break; | |
| 2075 | |
| 2076 default: | |
| 2077 assert(0); | |
| 2078 break; | |
| 2079 } | |
| 2080 if (a && token.value == TOK.TOKsemicolon) | |
| 2081 { nextToken(); | |
| 2082 } | |
| 2083 else if (token.value == TOK.TOKlcurly) | |
| 2084 { | |
| 2085 //printf("aggregate definition\n"); | |
| 2086 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2087 auto decl = parseDeclDefs(0); |
| 0 | 2088 if (token.value != TOK.TOKrcurly) |
| 2089 error("} expected following member declarations in aggregate"); | |
| 2090 nextToken(); | |
| 2091 if (anon) | |
| 2092 { | |
| 2093 /* Anonymous structs/unions are more like attributes. | |
| 2094 */ | |
| 2095 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2096 } | |
| 2097 else | |
| 2098 a.members = decl; | |
| 2099 } | |
| 2100 else | |
| 2101 { | |
| 2102 error("{ } expected following aggregate declaration"); | |
| 2103 a = new StructDeclaration(loc, null); | |
| 2104 } | |
| 2105 | |
| 2106 if (tpl) | |
| 2107 { // Wrap a template around the aggregate declaration | |
| 2108 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2109 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
|
2110 decldefs.push(a); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2111 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2112 return tempdecl; |
| 2113 } | |
| 2114 | |
| 2115 return a; | |
| 2116 } | |
| 2117 | |
| 2118 BaseClasses parseBaseClasses() | |
| 2119 { | |
| 2120 BaseClasses baseclasses = new BaseClasses(); | |
| 2121 | |
| 2122 for (; 1; nextToken()) | |
| 2123 { | |
| 2124 PROT protection = PROT.PROTpublic; | |
| 2125 switch (token.value) | |
| 2126 { | |
| 2127 case TOK.TOKprivate: | |
| 2128 protection = PROT.PROTprivate; | |
| 2129 nextToken(); | |
| 2130 break; | |
| 2131 case TOK.TOKpackage: | |
| 2132 protection = PROT.PROTpackage; | |
| 2133 nextToken(); | |
| 2134 break; | |
| 2135 case TOK.TOKprotected: | |
| 2136 protection = PROT.PROTprotected; | |
| 2137 nextToken(); | |
| 2138 break; | |
| 2139 case TOK.TOKpublic: | |
| 2140 protection = PROT.PROTpublic; | |
| 2141 nextToken(); | |
| 2142 break; | |
| 2143 default: | |
| 2144 break; /// | |
| 2145 } | |
| 2146 if (token.value == TOK.TOKidentifier) | |
| 2147 { | |
|
125
767a01c2a272
BaseClasses -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
2148 auto b = new BaseClass(parseBasicType(), protection); |
|
767a01c2a272
BaseClasses -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
2149 baseclasses.push(b); |
| 0 | 2150 if (token.value != TOK.TOKcomma) |
| 2151 break; | |
| 2152 } | |
| 2153 else | |
| 2154 { | |
| 2155 error("base classes expected instead of %s", token.toChars()); | |
| 2156 return null; | |
| 2157 } | |
| 2158 } | |
| 2159 return baseclasses; | |
| 2160 } | |
| 2161 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2162 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2163 { |
| 2164 Import s; | |
| 2165 Identifier id; | |
| 2166 Identifier aliasid = null; | |
| 2167 Array a; | |
| 2168 Loc loc; | |
| 2169 | |
| 2170 //printf("Parser.parseImport()\n"); | |
| 2171 do | |
| 2172 { | |
| 2173 L1: | |
| 2174 nextToken(); | |
| 2175 if (token.value != TOK.TOKidentifier) | |
| 2176 { | |
| 2177 error("Identifier expected following import"); | |
| 2178 break; | |
| 2179 } | |
| 2180 | |
| 2181 loc = this.loc; | |
| 2182 a = null; | |
| 2183 id = token.ident; | |
| 2184 nextToken(); | |
| 2185 if (!aliasid && token.value == TOK.TOKassign) | |
| 2186 { | |
| 2187 aliasid = id; | |
| 2188 goto L1; | |
| 2189 } | |
| 2190 while (token.value == TOK.TOKdot) | |
| 2191 { | |
| 2192 if (!a) | |
| 2193 a = new Array(); | |
| 2194 a.push(cast(void*)id); | |
| 2195 nextToken(); | |
| 2196 if (token.value != TOK.TOKidentifier) | |
| 2197 { | |
| 2198 error("identifier expected following package"); | |
| 2199 break; | |
| 2200 } | |
| 2201 id = token.ident; | |
| 2202 nextToken(); | |
| 2203 } | |
| 2204 | |
| 2205 s = new Import(loc, a, id, aliasid, isstatic); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2206 decldefs.push(s); |
| 0 | 2207 |
| 2208 /* Look for | |
| 2209 * : alias=name, alias=name; | |
| 2210 * syntax. | |
| 2211 */ | |
| 2212 if (token.value == TOK.TOKcolon) | |
| 2213 { | |
| 2214 do | |
| 2215 { | |
| 2216 Identifier name; | |
| 2217 | |
| 2218 nextToken(); | |
| 2219 if (token.value != TOK.TOKidentifier) | |
| 2220 { | |
| 2221 error("Identifier expected following :"); | |
| 2222 break; | |
| 2223 } | |
| 2224 Identifier alias_ = token.ident; | |
| 2225 nextToken(); | |
| 2226 if (token.value == TOK.TOKassign) | |
| 2227 { | |
| 2228 nextToken(); | |
| 2229 if (token.value != TOK.TOKidentifier) | |
| 2230 { | |
| 2231 error("Identifier expected following %s=", alias_.toChars()); | |
| 2232 break; | |
| 2233 } | |
| 2234 name = token.ident; | |
| 2235 nextToken(); | |
| 2236 } | |
| 2237 else | |
| 2238 { | |
| 2239 name = alias_; | |
| 2240 alias_ = null; | |
| 2241 } | |
| 2242 s.addAlias(name, alias_); | |
| 2243 } while (token.value == TOK.TOKcomma); | |
| 2244 | |
| 2245 break; // no comma-separated imports of this form | |
| 2246 } | |
| 2247 | |
| 2248 aliasid = null; | |
| 2249 | |
| 2250 } while (token.value == TOK.TOKcomma); | |
| 2251 | |
| 2252 if (token.value == TOK.TOKsemicolon) | |
| 2253 nextToken(); | |
| 2254 else | |
| 2255 { | |
| 2256 error("';' expected"); | |
| 2257 nextToken(); | |
| 2258 } | |
| 2259 | |
| 2260 return null; | |
| 2261 } | |
| 2262 | |
| 2263 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2264 { | |
| 2265 Type t; | |
| 2266 | |
| 2267 /* Take care of the storage class prefixes that | |
| 2268 * serve as type attributes: | |
| 2269 * const shared, shared const, const, invariant, shared | |
| 2270 */ | |
| 2271 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2272 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2273 { | |
| 2274 nextToken(); | |
| 2275 nextToken(); | |
| 2276 /* shared const type | |
| 2277 */ | |
| 2278 t = parseType(pident, tpl); | |
| 2279 t = t.makeSharedConst(); | |
| 2280 return t; | |
| 2281 } | |
| 2282 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2283 { | |
| 2284 nextToken(); | |
| 2285 /* const type | |
| 2286 */ | |
| 2287 t = parseType(pident, tpl); | |
| 2288 t = t.makeConst(); | |
| 2289 return t; | |
| 2290 } | |
| 2291 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2292 peekNext() != TOK.TOKlparen) | |
| 2293 { | |
| 2294 nextToken(); | |
| 2295 /* invariant type | |
| 2296 */ | |
| 2297 t = parseType(pident, tpl); | |
| 2298 t = t.makeInvariant(); | |
| 2299 return t; | |
| 2300 } | |
| 2301 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2302 { | |
| 2303 nextToken(); | |
| 2304 /* shared type | |
| 2305 */ | |
| 2306 t = parseType(pident, tpl); | |
| 2307 t = t.makeShared(); | |
| 2308 return t; | |
| 2309 } | |
| 2310 else | |
| 2311 t = parseBasicType(); | |
| 2312 t = parseDeclarator(t, pident, tpl); | |
| 2313 return t; | |
| 2314 } | |
| 2315 | |
| 2316 Type parseBasicType() | |
| 2317 { | |
| 2318 Type t; | |
| 2319 Identifier id; | |
| 2320 TypeQualified tid; | |
| 2321 | |
| 2322 //printf("parseBasicType()\n"); | |
| 2323 switch (token.value) | |
| 2324 { | |
| 2325 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2326 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2327 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2328 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2329 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2330 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2331 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2332 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2333 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2334 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2335 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2336 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2337 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2338 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2339 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2340 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2341 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2342 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2343 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2344 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2345 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2346 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2347 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2348 LabelX: | |
| 2349 nextToken(); | |
| 2350 break; | |
| 2351 | |
| 2352 case TOK.TOKidentifier: | |
| 2353 id = token.ident; | |
| 2354 nextToken(); | |
| 2355 if (token.value == TOK.TOKnot) | |
| 2356 { // ident!(template_arguments) | |
| 2357 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2358 nextToken(); | |
| 2359 if (token.value == TOK.TOKlparen) | |
| 2360 // ident!(template_arguments) | |
| 2361 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2362 else | |
| 2363 // ident!template_argument | |
| 2364 tempinst.tiargs = parseTemplateArgument(); | |
| 2365 tid = new TypeInstance(loc, tempinst); | |
| 2366 goto Lident2; | |
| 2367 } | |
| 2368 Lident: | |
| 2369 tid = new TypeIdentifier(loc, id); | |
| 2370 Lident2: | |
| 2371 while (token.value == TOK.TOKdot) | |
| 2372 { nextToken(); | |
| 2373 if (token.value != TOK.TOKidentifier) | |
| 2374 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2375 break; | |
| 2376 } | |
| 2377 id = token.ident; | |
| 2378 nextToken(); | |
| 2379 if (token.value == TOK.TOKnot) | |
| 2380 { | |
| 2381 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2382 nextToken(); | |
| 2383 if (token.value == TOK.TOKlparen) | |
| 2384 // ident!(template_arguments) | |
| 2385 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2386 else | |
| 2387 // ident!template_argument | |
| 2388 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2389 tid.addIdent(tempinst); |
| 0 | 2390 } |
| 2391 else | |
| 2392 tid.addIdent(id); | |
| 2393 } | |
| 2394 t = tid; | |
| 2395 break; | |
| 2396 | |
| 2397 case TOK.TOKdot: | |
| 2398 // Leading . as in .foo | |
| 2399 id = Id.empty; | |
| 2400 goto Lident; | |
| 2401 | |
| 2402 case TOK.TOKtypeof: | |
| 2403 // typeof(expression) | |
| 2404 tid = parseTypeof(); | |
| 2405 goto Lident2; | |
| 2406 | |
| 2407 case TOK.TOKconst: | |
| 2408 // const(type) | |
| 2409 nextToken(); | |
| 2410 check(TOK.TOKlparen); | |
| 2411 t = parseType(); | |
| 2412 check(TOK.TOKrparen); | |
| 2413 if (t.isShared()) | |
| 2414 t = t.makeSharedConst(); | |
| 2415 else | |
| 2416 t = t.makeConst(); | |
| 2417 break; | |
| 2418 | |
| 2419 case TOK.TOKinvariant: | |
| 2420 case TOK.TOKimmutable: | |
| 2421 // invariant(type) | |
| 2422 nextToken(); | |
| 2423 check(TOK.TOKlparen); | |
| 2424 t = parseType(); | |
| 2425 check(TOK.TOKrparen); | |
| 2426 t = t.makeInvariant(); | |
| 2427 break; | |
| 2428 | |
| 2429 case TOK.TOKshared: | |
| 2430 // shared(type) | |
| 2431 nextToken(); | |
| 2432 check(TOK.TOKlparen); | |
| 2433 t = parseType(); | |
| 2434 check(TOK.TOKrparen); | |
| 2435 if (t.isConst()) | |
| 2436 t = t.makeSharedConst(); | |
| 2437 else | |
| 2438 t = t.makeShared(); | |
| 2439 break; | |
| 2440 | |
| 2441 default: | |
| 2442 error("basic type expected, not %s", token.toChars()); | |
| 2443 t = Type.tint32; | |
| 2444 break; | |
| 2445 } | |
| 2446 return t; | |
| 2447 } | |
| 2448 | |
| 2449 Type parseBasicType2(Type t) | |
| 2450 { | |
| 79 | 2451 //writef("parseBasicType2()\n"); |
| 0 | 2452 while (1) |
| 2453 { | |
| 79 | 2454 switch (token.value) |
| 0 | 2455 { |
| 79 | 2456 case TOK.TOKmul: |
| 2457 t = new TypePointer(t); | |
| 2458 nextToken(); | |
| 2459 continue; | |
| 2460 | |
| 2461 case TOK.TOKlbracket: | |
| 2462 // Handle []. Make sure things like | |
| 2463 // int[3][1] a; | |
| 2464 // is (array[1] of array[3] of int) | |
| 0 | 2465 nextToken(); |
| 79 | 2466 if (token.value == TOK.TOKrbracket) |
| 2467 { | |
| 2468 t = new TypeDArray(t); // [] | |
| 2469 nextToken(); | |
| 2470 } | |
| 2471 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2472 { |
| 79 | 2473 t = new TypeNewArray(t); // [new] |
| 2474 nextToken(); | |
| 2475 nextToken(); | |
| 2476 } | |
| 2477 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2478 { // It's an associative array declaration | |
| 2479 | |
| 2480 //printf("it's an associative array\n"); | |
| 2481 Type index = parseType(); // [ type ] | |
| 2482 t = new TypeAArray(t, index); | |
| 2483 check(TOK.TOKrbracket); | |
| 0 | 2484 } |
| 2485 else | |
| 79 | 2486 { |
| 2487 //printf("it's type[expression]\n"); | |
| 2488 inBrackets++; | |
| 2489 Expression e = parseExpression(); // [ expression ] | |
| 2490 if (token.value == TOK.TOKslice) | |
| 2491 { | |
| 2492 nextToken(); | |
| 2493 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2494 t = new TypeSlice(t, e, e2); | |
| 2495 } | |
| 2496 else | |
| 2497 t = new TypeSArray(t,e); | |
| 2498 inBrackets--; | |
| 2499 check(TOK.TOKrbracket); | |
| 2500 } | |
| 2501 continue; | |
| 2502 | |
| 2503 case TOK.TOKdelegate: | |
| 2504 case TOK.TOKfunction: | |
| 2505 { // Handle delegate declaration: | |
| 2506 // t delegate(parameter list) nothrow pure | |
| 2507 // t function(parameter list) nothrow pure | |
| 2508 Arguments arguments; | |
| 2509 int varargs; | |
| 2510 bool ispure = false; | |
| 2511 bool isnothrow = false; | |
| 2512 TOK save = token.value; | |
| 2513 | |
| 2514 nextToken(); | |
| 2515 arguments = parseParameters(&varargs); | |
| 2516 while (1) | |
| 2517 { // Postfixes | |
| 2518 if (token.value == TOK.TOKpure) | |
| 2519 ispure = true; | |
| 2520 else if (token.value == TOK.TOKnothrow) | |
| 2521 isnothrow = true; | |
| 2522 else | |
| 2523 break; | |
| 2524 nextToken(); | |
| 2525 } | |
| 2526 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2527 tf.ispure = ispure; | |
| 2528 tf.isnothrow = isnothrow; | |
| 2529 if (save == TOK.TOKdelegate) | |
| 2530 t = new TypeDelegate(tf); | |
| 0 | 2531 else |
| 79 | 2532 t = new TypePointer(tf); // pointer to function |
| 2533 continue; | |
| 2534 } | |
| 2535 | |
| 2536 default: | |
| 2537 return t; | |
| 2538 } | |
| 2539 assert(0); | |
| 0 | 2540 } |
| 2541 assert(0); | |
| 2542 return null; | |
| 2543 } | |
| 2544 | |
| 2545 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2546 { | |
| 2547 Type ts; | |
| 2548 | |
| 2549 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2550 t = parseBasicType2(t); | |
| 2551 | |
| 2552 switch (token.value) | |
| 2553 { | |
| 2554 | |
| 2555 case TOK.TOKidentifier: | |
| 2556 if (pident) | |
| 2557 *pident = token.ident; | |
| 2558 else | |
| 2559 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2560 ts = t; | |
| 2561 nextToken(); | |
| 2562 break; | |
| 2563 | |
| 2564 case TOK.TOKlparen: | |
| 2565 /* Parse things with parentheses around the identifier, like: | |
| 2566 * int (*ident[3])[] | |
| 2567 * although the D style would be: | |
| 2568 * int[]*[3] ident | |
| 2569 */ | |
| 2570 nextToken(); | |
| 2571 ts = parseDeclarator(t, pident); | |
| 2572 check(TOK.TOKrparen); | |
| 2573 break; | |
| 2574 | |
| 2575 default: | |
| 2576 ts = t; | |
| 2577 break; | |
| 2578 } | |
| 2579 | |
| 2580 // parse DeclaratorSuffixes | |
| 2581 while (1) | |
| 2582 { | |
| 2583 switch (token.value) | |
| 2584 { | |
| 2585 version (CARRAYDECL) { | |
| 2586 /* Support C style array syntax: | |
| 2587 * int ident[] | |
| 2588 * as opposed to D-style: | |
| 2589 * int[] ident | |
| 2590 */ | |
| 2591 case TOK.TOKlbracket: | |
| 2592 { // This is the old C-style post [] syntax. | |
| 2593 TypeNext ta; | |
| 2594 nextToken(); | |
| 2595 if (token.value == TOK.TOKrbracket) | |
| 2596 { // It's a dynamic array | |
| 2597 ta = new TypeDArray(t); // [] | |
| 2598 nextToken(); | |
| 2599 } | |
| 79 | 2600 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2601 { | |
| 2602 t = new TypeNewArray(t); // [new] | |
| 2603 nextToken(); | |
| 2604 nextToken(); | |
| 2605 } | |
| 0 | 2606 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2607 { // It's an associative array | |
| 2608 | |
| 2609 //printf("it's an associative array\n"); | |
| 2610 Type index = parseType(); // [ type ] | |
| 2611 check(TOK.TOKrbracket); | |
| 2612 ta = new TypeAArray(t, index); | |
| 2613 } | |
| 2614 else | |
| 2615 { | |
| 2616 //printf("It's a static array\n"); | |
| 2617 Expression e = parseExpression(); // [ expression ] | |
| 2618 ta = new TypeSArray(t, e); | |
| 2619 check(TOK.TOKrbracket); | |
| 2620 } | |
| 2621 | |
| 2622 /* Insert ta into | |
| 2623 * ts . ... . t | |
| 2624 * so that | |
| 2625 * ts . ... . ta . t | |
| 2626 */ | |
| 2627 Type* pt; | |
| 2628 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2629 ; | |
| 2630 } | |
| 2631 *pt = ta; | |
| 2632 continue; | |
| 2633 } | |
| 2634 } | |
| 2635 case TOK.TOKlparen: | |
| 2636 { | |
| 2637 if (tpl) | |
| 2638 { | |
| 2639 /* Look ahead to see if this is (...)(...), | |
| 2640 * i.e. a function template declaration | |
| 2641 */ | |
| 2642 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2643 { | |
| 2644 //printf("function template declaration\n"); | |
| 2645 | |
| 2646 // Gather template parameter list | |
| 2647 *tpl = parseTemplateParameterList(); | |
| 2648 } | |
| 2649 } | |
| 2650 | |
| 2651 int varargs; | |
| 2652 Arguments arguments = parseParameters(&varargs); | |
| 2653 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2654 | |
| 2655 /* Parse const/invariant/nothrow/pure postfix | |
| 2656 */ | |
| 2657 while (1) | |
| 2658 { | |
| 2659 switch (token.value) | |
| 2660 { | |
| 2661 case TOK.TOKconst: | |
| 2662 if (tf.isShared()) | |
| 2663 tf = tf.makeSharedConst(); | |
| 2664 else | |
| 2665 tf = tf.makeConst(); | |
| 2666 nextToken(); | |
| 2667 continue; | |
| 2668 | |
| 2669 case TOK.TOKinvariant: | |
| 2670 case TOK.TOKimmutable: | |
| 2671 tf = tf.makeInvariant(); | |
| 2672 nextToken(); | |
| 2673 continue; | |
| 2674 | |
| 2675 case TOK.TOKshared: | |
| 2676 if (tf.isConst()) | |
| 2677 tf = tf.makeSharedConst(); | |
| 2678 else | |
| 2679 tf = tf.makeShared(); | |
| 2680 nextToken(); | |
| 2681 continue; | |
| 2682 | |
| 2683 case TOK.TOKnothrow: | |
| 2684 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2685 nextToken(); | |
| 2686 continue; | |
| 2687 | |
| 2688 case TOK.TOKpure: | |
| 2689 (cast(TypeFunction)tf).ispure = 1; | |
| 2690 nextToken(); | |
| 2691 continue; | |
| 2692 | |
| 2693 case TOK.TOKat: | |
| 2694 nextToken(); | |
| 2695 if (token.value != TOK.TOKidentifier) | |
| 2696 { error("attribute identifier expected"); | |
| 2697 nextToken(); | |
| 2698 continue; | |
| 2699 } | |
| 2700 Identifier id = token.ident; | |
| 2701 if (id is Id.property) | |
| 96 | 2702 (cast(TypeFunction)tf).isproperty = 1; |
| 0 | 2703 else |
| 96 | 2704 error("valid attribute identifiers are @property, not @%s", id.toChars()); |
| 0 | 2705 nextToken(); |
| 2706 continue; | |
| 2707 default: | |
| 2708 break; /// | |
| 2709 } | |
| 2710 break; | |
| 2711 } | |
| 2712 | |
| 2713 /* Insert tf into | |
| 2714 * ts . ... . t | |
| 2715 * so that | |
| 2716 * ts . ... . tf . t | |
| 2717 */ | |
| 2718 Type* pt; | |
| 2719 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2720 ; | |
| 2721 } | |
| 2722 *pt = tf; | |
| 2723 break; | |
| 2724 } | |
| 2725 | |
| 2726 default: | |
| 2727 break; /// | |
| 2728 } | |
| 2729 break; | |
| 2730 } | |
| 2731 | |
| 2732 return ts; | |
| 2733 } | |
| 2734 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2735 Dsymbols parseDeclarations(STC storage_class) |
| 0 | 2736 { |
| 2737 STC stc; | |
| 2738 Type ts; | |
| 2739 Type t; | |
| 2740 Type tfirst; | |
| 2741 Identifier ident; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2742 Dsymbols a; |
| 0 | 2743 TOK tok = TOK.TOKreserved; |
| 79 | 2744 string comment = token.blockComment; |
| 0 | 2745 LINK link = linkage; |
| 2746 | |
| 2747 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2748 if (storage_class) | |
| 2749 { ts = null; // infer type | |
| 2750 goto L2; | |
| 2751 } | |
| 2752 | |
| 2753 switch (token.value) | |
| 2754 { | |
| 2755 case TOK.TOKalias: | |
| 2756 /* Look for: | |
| 2757 * alias identifier this; | |
| 2758 */ | |
| 2759 tok = token.value; | |
| 2760 nextToken(); | |
| 2761 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2762 { | |
| 2763 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2764 nextToken(); | |
| 2765 check(TOK.TOKthis); | |
| 2766 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
|
2767 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2768 a.push(s); |
| 0 | 2769 addComment(s, comment); |
| 2770 return a; | |
| 2771 } | |
| 2772 break; | |
| 2773 case TOK.TOKtypedef: | |
| 2774 tok = token.value; | |
| 2775 nextToken(); | |
| 2776 break; | |
| 2777 default: | |
| 2778 break; | |
| 2779 } | |
| 2780 | |
| 2781 storage_class = STC.STCundefined; | |
| 2782 while (1) | |
| 2783 { | |
| 2784 switch (token.value) | |
| 2785 { | |
| 2786 case TOK.TOKconst: | |
| 2787 if (peek(&token).value == TOK.TOKlparen) | |
| 2788 break; // const as type constructor | |
| 2789 stc = STC.STCconst; // const as storage class | |
| 2790 goto L1; | |
| 2791 | |
| 2792 case TOK.TOKinvariant: | |
| 2793 case TOK.TOKimmutable: | |
| 2794 if (peek(&token).value == TOK.TOKlparen) | |
| 2795 break; | |
| 2796 stc = STC.STCimmutable; | |
| 2797 goto L1; | |
| 2798 | |
| 2799 case TOK.TOKshared: | |
| 2800 if (peek(&token).value == TOK.TOKlparen) | |
| 2801 break; | |
| 2802 stc = STC.STCshared; | |
| 2803 goto L1; | |
| 2804 | |
| 2805 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2806 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2807 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2808 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2809 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2810 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2811 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2812 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2813 version (DMDV2) { | |
| 2814 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2815 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2816 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2817 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2818 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2819 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2820 } | |
| 2821 L1: | |
| 2822 if (storage_class & stc) | |
| 2823 error("redundant storage class '%s'", token.toChars()); | |
| 2824 storage_class = (storage_class | stc); | |
| 2825 composeStorageClass(storage_class); | |
| 2826 nextToken(); | |
| 2827 continue; | |
| 2828 | |
| 2829 case TOK.TOKextern: | |
| 2830 if (peek(&token).value != TOK.TOKlparen) | |
| 2831 { stc = STC.STCextern; | |
| 2832 goto L1; | |
| 2833 } | |
| 2834 | |
| 2835 link = parseLinkage(); | |
| 2836 continue; | |
| 2837 | |
| 2838 default: | |
| 2839 break; | |
| 2840 } | |
| 2841 break; | |
| 2842 } | |
| 2843 | |
| 2844 /* Look for auto initializers: | |
| 2845 * storage_class identifier = initializer; | |
| 2846 */ | |
| 2847 if (storage_class && | |
| 2848 token.value == TOK.TOKidentifier && | |
| 2849 peek(&token).value == TOK.TOKassign) | |
| 2850 { | |
| 2851 return parseAutoDeclarations(storage_class, comment); | |
| 2852 } | |
| 2853 | |
| 2854 if (token.value == TOK.TOKclass) | |
| 2855 { | |
| 2856 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2857 s.storage_class |= storage_class; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2858 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2859 a.push(s); |
| 0 | 2860 addComment(s, comment); |
| 2861 return a; | |
| 2862 } | |
| 2863 | |
| 2864 /* Look for return type inference for template functions. | |
| 2865 */ | |
| 2866 { | |
| 2867 Token *tk; | |
| 2868 if (storage_class && | |
| 2869 token.value == TOK.TOKidentifier && | |
| 2870 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2871 skipParens(tk, &tk) && | |
| 2872 peek(tk).value == TOK.TOKlparen) | |
| 2873 { | |
| 2874 ts = null; | |
| 2875 } | |
| 2876 else | |
| 2877 { | |
| 2878 ts = parseBasicType(); | |
| 2879 ts = parseBasicType2(ts); | |
| 2880 } | |
| 2881 } | |
| 2882 | |
| 2883 L2: | |
| 2884 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2885 a = new Dsymbols(); |
| 0 | 2886 |
| 2887 while (1) | |
| 2888 { | |
| 2889 Loc loc = this.loc; | |
| 2890 TemplateParameters tpl = null; | |
| 2891 | |
| 2892 ident = null; | |
| 2893 t = parseDeclarator(ts, &ident, &tpl); | |
| 2894 assert(t); | |
| 2895 if (!tfirst) | |
| 2896 tfirst = t; | |
| 2897 else if (t != tfirst) | |
| 2898 error("multiple declarations must have the same type, not %s and %s", | |
| 2899 tfirst.toChars(), t.toChars()); | |
| 2900 if (!ident) | |
| 2901 error("no identifier for declarator %s", t.toChars()); | |
| 2902 | |
| 2903 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2904 { Declaration v; | |
| 2905 Initializer init = null; | |
| 2906 | |
| 2907 if (token.value == TOK.TOKassign) | |
| 2908 { | |
| 2909 nextToken(); | |
| 2910 init = parseInitializer(); | |
| 2911 } | |
| 2912 if (tok == TOK.TOKtypedef) | |
| 2913 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2914 else | |
| 2915 { if (init) | |
| 2916 error("alias cannot have initializer"); | |
| 2917 v = new AliasDeclaration(loc, ident, t); | |
| 2918 } | |
| 2919 v.storage_class = storage_class; | |
| 2920 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
|
2921 a.push(v); |
| 0 | 2922 else |
| 2923 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2924 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
|
2925 ax.push(v); |
| 0 | 2926 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
|
2927 a.push(s); |
| 0 | 2928 } |
| 2929 switch (token.value) | |
| 2930 { case TOK.TOKsemicolon: | |
| 2931 nextToken(); | |
| 2932 addComment(v, comment); | |
| 2933 break; | |
| 2934 | |
| 2935 case TOK.TOKcomma: | |
| 2936 nextToken(); | |
| 2937 addComment(v, comment); | |
| 2938 continue; | |
| 2939 | |
| 2940 default: | |
| 2941 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2942 break; | |
| 2943 } | |
| 2944 } | |
| 2945 else if (t.ty == TY.Tfunction) | |
| 2946 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2947 auto tf = cast(TypeFunction)t; |
| 0 | 2948 Expression constraint = null; |
| 2949 static if (false) { | |
| 2950 if (Argument.isTPL(tf.parameters)) | |
| 2951 { | |
| 2952 if (!tpl) | |
| 2953 tpl = new TemplateParameters(); | |
| 2954 } | |
| 2955 } | |
| 2956 FuncDeclaration f = | |
| 2957 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2958 addComment(f, comment); | |
| 2959 if (tpl) | |
| 2960 constraint = parseConstraint(); | |
| 2961 parseContracts(f); | |
| 2962 addComment(f, null); | |
| 2963 Dsymbol s; | |
| 2964 if (link == linkage) | |
| 2965 { | |
| 2966 s = f; | |
| 2967 } | |
| 2968 else | |
| 2969 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2970 auto ax = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2971 ax.push(f); |
| 0 | 2972 s = new LinkDeclaration(link, ax); |
| 2973 } | |
| 2974 /* A template parameter list means it's a function template | |
| 2975 */ | |
| 2976 if (tpl) | |
| 2977 { | |
| 2978 // 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
|
2979 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
|
2980 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2981 auto tempdecl = |
| 0 | 2982 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 2983 s = tempdecl; | |
| 2984 } | |
| 2985 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
|
2986 a.push(s); |
| 0 | 2987 } |
| 2988 else | |
| 2989 { | |
| 2990 Initializer init = null; | |
| 2991 if (token.value == TOK.TOKassign) | |
| 2992 { | |
| 2993 nextToken(); | |
| 2994 init = parseInitializer(); | |
| 2995 } | |
| 2996 | |
| 2997 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2998 v.storage_class = storage_class; | |
| 2999 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
|
3000 a.push(v); |
| 0 | 3001 else |
| 3002 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3003 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
|
3004 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3005 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
|
3006 a.push(s); |
| 0 | 3007 } |
| 3008 switch (token.value) | |
| 3009 { case TOK.TOKsemicolon: | |
| 3010 nextToken(); | |
| 3011 addComment(v, comment); | |
| 3012 break; | |
| 3013 | |
| 3014 case TOK.TOKcomma: | |
| 3015 nextToken(); | |
| 3016 addComment(v, comment); | |
| 3017 continue; | |
| 3018 | |
| 3019 default: | |
| 3020 error("semicolon expected, not '%s'", token.toChars()); | |
| 3021 break; | |
| 3022 } | |
| 3023 } | |
| 3024 break; | |
| 3025 } | |
| 3026 return a; | |
| 3027 } | |
| 3028 | |
| 3029 void parseContracts(FuncDeclaration f) | |
| 3030 { | |
| 3031 Type tb; | |
| 3032 LINK linksave = linkage; | |
| 3033 | |
| 3034 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3035 // TypeFunction.semantic | |
| 3036 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3037 L1: | |
| 3038 switch (token.value) | |
| 3039 { | |
| 3040 case TOK.TOKlcurly: | |
| 3041 if (f.frequire || f.fensure) | |
| 3042 error("missing body { ... } after in or out"); | |
| 3043 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3044 f.endloc = endloc; | |
| 3045 break; | |
| 3046 | |
| 3047 case TOK.TOKbody: | |
| 3048 nextToken(); | |
| 3049 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3050 f.endloc = endloc; | |
| 3051 break; | |
| 3052 | |
| 3053 case TOK.TOKsemicolon: | |
| 3054 if (f.frequire || f.fensure) | |
| 3055 error("missing body { ... } after in or out"); | |
| 3056 nextToken(); | |
| 3057 break; | |
| 3058 | |
| 3059 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3060 // int x, y, foo(), z; | |
| 3061 case TOK.TOKcomma: | |
| 3062 nextToken(); | |
| 3063 continue; | |
| 3064 } | |
| 3065 | |
| 3066 static if (false) { // Dumped feature | |
| 3067 case TOK.TOKthrow: | |
| 3068 if (!f.fthrows) | |
| 3069 f.fthrows = new Array(); | |
| 3070 nextToken(); | |
| 3071 check(TOK.TOKlparen); | |
| 3072 while (1) | |
| 3073 { | |
| 3074 tb = parseBasicType(); | |
| 3075 f.fthrows.push(tb); | |
| 3076 if (token.value == TOK.TOKcomma) | |
| 3077 { nextToken(); | |
| 3078 continue; | |
| 3079 } | |
| 3080 break; | |
| 3081 } | |
| 3082 check(TOK.TOKrparen); | |
| 3083 goto L1; | |
| 3084 } | |
| 3085 | |
| 3086 case TOK.TOKin: | |
| 3087 nextToken(); | |
| 3088 if (f.frequire) | |
| 3089 error("redundant 'in' statement"); | |
| 3090 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3091 goto L1; | |
| 3092 | |
| 3093 case TOK.TOKout: | |
| 3094 // parse: out (identifier) { statement } | |
| 3095 nextToken(); | |
| 3096 if (token.value != TOK.TOKlcurly) | |
| 3097 { | |
| 3098 check(TOK.TOKlparen); | |
| 3099 if (token.value != TOK.TOKidentifier) | |
| 3100 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3101 f.outId = token.ident; | |
| 3102 nextToken(); | |
| 3103 check(TOK.TOKrparen); | |
| 3104 } | |
| 3105 if (f.fensure) | |
| 3106 error("redundant 'out' statement"); | |
| 3107 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3108 goto L1; | |
| 3109 | |
| 3110 default: | |
| 3111 error("semicolon expected following function declaration"); | |
| 3112 break; | |
| 3113 } | |
| 3114 linkage = linksave; | |
| 3115 } | |
| 3116 | |
| 3117 Statement parseStatement(ParseStatementFlags flags) | |
| 3118 { | |
| 3119 Statement s; | |
| 3120 Token* t; | |
| 3121 Condition condition; | |
| 3122 Statement ifbody; | |
| 3123 Statement elsebody; | |
| 3124 bool isfinal; | |
| 3125 Loc loc = this.loc; | |
| 3126 | |
| 3127 //printf("parseStatement()\n"); | |
| 3128 | |
| 3129 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3130 error("statement expected to be { }, not %s", token.toChars()); | |
| 3131 | |
| 3132 switch (token.value) | |
| 3133 { | |
| 3134 case TOK.TOKidentifier: | |
| 3135 /* A leading identifier can be a declaration, label, or expression. | |
| 3136 * The easiest case to check first is label: | |
| 3137 */ | |
| 3138 t = peek(&token); | |
| 3139 if (t.value == TOK.TOKcolon) | |
| 3140 { // It's a label | |
| 3141 | |
| 3142 Identifier ident = token.ident; | |
| 3143 nextToken(); | |
| 3144 nextToken(); | |
| 3145 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3146 s = new LabelStatement(loc, ident, s); | |
| 3147 break; | |
| 3148 } | |
| 3149 // fallthrough to TOK.TOKdot | |
| 3150 case TOK.TOKdot: | |
| 3151 case TOK.TOKtypeof: | |
| 3152 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3153 goto Ldeclaration; | |
| 3154 else | |
| 3155 goto Lexp; | |
| 3156 break; | |
| 3157 | |
| 3158 case TOK.TOKassert: | |
| 3159 case TOK.TOKthis: | |
| 3160 case TOK.TOKsuper: | |
| 3161 case TOK.TOKint32v: | |
| 3162 case TOK.TOKuns32v: | |
| 3163 case TOK.TOKint64v: | |
| 3164 case TOK.TOKuns64v: | |
| 3165 case TOK.TOKfloat32v: | |
| 3166 case TOK.TOKfloat64v: | |
| 3167 case TOK.TOKfloat80v: | |
| 3168 case TOK.TOKimaginary32v: | |
| 3169 case TOK.TOKimaginary64v: | |
| 3170 case TOK.TOKimaginary80v: | |
| 3171 case TOK.TOKcharv: | |
| 3172 case TOK.TOKwcharv: | |
| 3173 case TOK.TOKdcharv: | |
| 3174 case TOK.TOKnull: | |
| 3175 case TOK.TOKtrue: | |
| 3176 case TOK.TOKfalse: | |
| 3177 case TOK.TOKstring: | |
| 3178 case TOK.TOKlparen: | |
| 3179 case TOK.TOKcast: | |
| 3180 case TOK.TOKmul: | |
| 3181 case TOK.TOKmin: | |
| 3182 case TOK.TOKadd: | |
| 3183 case TOK.TOKplusplus: | |
| 3184 case TOK.TOKminusminus: | |
| 3185 case TOK.TOKnew: | |
| 3186 case TOK.TOKdelete: | |
| 3187 case TOK.TOKdelegate: | |
| 3188 case TOK.TOKfunction: | |
| 3189 case TOK.TOKtypeid: | |
| 3190 case TOK.TOKis: | |
| 3191 case TOK.TOKlbracket: | |
| 3192 version (DMDV2) { | |
| 3193 case TOK.TOKtraits: | |
| 3194 case TOK.TOKfile: | |
| 3195 case TOK.TOKline: | |
| 3196 } | |
| 3197 Lexp: | |
| 3198 { Expression exp; | |
| 3199 | |
| 3200 exp = parseExpression(); | |
| 3201 check(TOK.TOKsemicolon, "statement"); | |
| 3202 s = new ExpStatement(loc, exp); | |
| 3203 break; | |
| 3204 } | |
| 3205 | |
| 3206 case TOK.TOKstatic: | |
| 3207 { // Look ahead to see if it's static assert() or static if() | |
| 3208 Token *tt; | |
| 3209 | |
| 3210 tt = peek(&token); | |
| 3211 if (tt.value == TOK.TOKassert) | |
| 3212 { | |
| 3213 nextToken(); | |
| 3214 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3215 break; | |
| 3216 } | |
| 3217 if (tt.value == TOK.TOKif) | |
| 3218 { | |
| 3219 nextToken(); | |
| 3220 condition = parseStaticIfCondition(); | |
| 3221 goto Lcondition; | |
| 3222 } | |
| 3223 goto Ldeclaration; | |
| 3224 } | |
| 3225 | |
| 3226 case TOK.TOKfinal: | |
| 3227 if (peekNext() == TOK.TOKswitch) | |
| 3228 { | |
| 3229 nextToken(); | |
| 3230 isfinal = true; | |
| 3231 goto Lswitch; | |
| 3232 } | |
| 3233 goto Ldeclaration; | |
| 3234 | |
| 3235 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3236 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3237 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3238 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3239 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3240 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3241 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3242 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3243 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3244 case TOK.TOKvoid: | |
| 3245 case TOK.TOKtypedef: | |
| 3246 case TOK.TOKalias: | |
| 3247 case TOK.TOKconst: | |
| 3248 case TOK.TOKauto: | |
| 3249 case TOK.TOKextern: | |
| 3250 case TOK.TOKinvariant: | |
| 3251 version (DMDV2) { | |
| 3252 case TOK.TOKimmutable: | |
| 3253 case TOK.TOKshared: | |
| 3254 case TOK.TOKnothrow: | |
| 3255 case TOK.TOKpure: | |
| 3256 case TOK.TOKtls: | |
| 3257 case TOK.TOKgshared: | |
| 3258 } | |
| 3259 // case TOK.TOKtypeof: | |
| 3260 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3261 { Dsymbols a; |
| 0 | 3262 |
| 3263 a = parseDeclarations(STC.STCundefined); | |
| 3264 if (a.dim > 1) | |
| 3265 { | |
| 3266 Statements as = new Statements(); | |
| 3267 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3268 foreach(Dsymbol d; a) |
| 0 | 3269 { |
| 3270 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3271 as.push(s); |
| 0 | 3272 } |
| 3273 s = new CompoundDeclarationStatement(loc, as); | |
| 3274 } | |
| 3275 else if (a.dim == 1) | |
| 3276 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3277 auto d = a[0]; |
| 0 | 3278 s = new DeclarationStatement(loc, d); |
| 3279 } | |
| 3280 else | |
| 3281 assert(0); | |
| 3282 if (flags & ParseStatementFlags.PSscope) | |
| 3283 s = new ScopeStatement(loc, s); | |
| 3284 break; | |
| 3285 } | |
| 3286 | |
| 3287 case TOK.TOKstruct: | |
| 3288 case TOK.TOKunion: | |
| 3289 case TOK.TOKclass: | |
| 3290 case TOK.TOKinterface: | |
| 3291 { Dsymbol d; | |
| 3292 | |
| 3293 d = parseAggregate(); | |
| 3294 s = new DeclarationStatement(loc, d); | |
| 3295 break; | |
| 3296 } | |
| 3297 | |
| 3298 case TOK.TOKenum: | |
| 3299 { /* Determine if this is a manifest constant declaration, | |
| 3300 * or a conventional enum. | |
| 3301 */ | |
| 3302 Dsymbol d; | |
| 3303 Token* tt = peek(&token); | |
| 3304 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3305 d = parseEnum(); | |
| 3306 else if (tt.value != TOK.TOKidentifier) | |
| 3307 goto Ldeclaration; | |
| 3308 else | |
| 3309 { | |
| 3310 tt = peek(tt); | |
| 3311 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3312 tt.value == TOK.TOKsemicolon) | |
| 3313 d = parseEnum(); | |
| 3314 else | |
| 3315 goto Ldeclaration; | |
| 3316 } | |
| 3317 s = new DeclarationStatement(loc, d); | |
| 3318 break; | |
| 3319 } | |
| 3320 | |
| 3321 case TOK.TOKmixin: | |
| 3322 { t = peek(&token); | |
| 3323 if (t.value == TOK.TOKlparen) | |
| 3324 { // mixin(string) | |
| 3325 nextToken(); | |
| 3326 check(TOK.TOKlparen, "mixin"); | |
| 3327 Expression e = parseAssignExp(); | |
| 3328 check(TOK.TOKrparen); | |
| 3329 check(TOK.TOKsemicolon); | |
| 3330 s = new CompileStatement(loc, e); | |
| 3331 break; | |
| 3332 } | |
| 3333 Dsymbol d = parseMixin(); | |
| 3334 s = new DeclarationStatement(loc, d); | |
| 3335 break; | |
| 3336 } | |
| 3337 | |
| 3338 case TOK.TOKlcurly: | |
| 79 | 3339 { |
| 3340 nextToken(); | |
| 3341 Statements statements = new Statements(); | |
| 3342 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3343 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3344 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3345 } |
| 3346 endloc = this.loc; | |
| 3347 s = new CompoundStatement(loc, statements); | |
| 3348 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3349 s = new ScopeStatement(loc, s); | |
| 3350 nextToken(); | |
| 3351 break; | |
| 3352 } | |
| 3353 | |
| 3354 case TOK.TOKwhile: | |
| 3355 { Expression condition2; | |
| 3356 Statement body_; | |
| 3357 | |
| 3358 nextToken(); | |
| 3359 check(TOK.TOKlparen); | |
| 3360 condition2 = parseExpression(); | |
| 3361 check(TOK.TOKrparen); | |
| 3362 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3363 s = new WhileStatement(loc, condition2, body_); | |
| 3364 break; | |
| 3365 } | |
| 3366 | |
| 3367 case TOK.TOKsemicolon: | |
| 3368 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3369 error("use '{ }' for an empty statement, not a ';'"); | |
| 3370 nextToken(); | |
| 3371 s = new ExpStatement(loc, null); | |
| 3372 break; | |
| 3373 | |
| 3374 case TOK.TOKdo: | |
| 3375 { Statement body_; | |
| 3376 Expression condition2; | |
| 3377 | |
| 3378 nextToken(); | |
| 3379 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3380 check(TOK.TOKwhile); | |
| 3381 check(TOK.TOKlparen); | |
| 3382 condition2 = parseExpression(); | |
| 3383 check(TOK.TOKrparen); | |
| 3384 s = new DoStatement(loc, body_, condition2); | |
| 3385 break; | |
| 3386 } | |
| 3387 | |
| 3388 case TOK.TOKfor: | |
| 3389 { | |
| 3390 Statement init; | |
| 3391 Expression condition2; | |
| 3392 Expression increment; | |
| 3393 Statement body_; | |
| 3394 | |
| 3395 nextToken(); | |
| 3396 check(TOK.TOKlparen); | |
| 3397 if (token.value == TOK.TOKsemicolon) | |
| 3398 { init = null; | |
| 3399 nextToken(); | |
| 3400 } | |
| 3401 else | |
| 3402 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3403 } | |
| 3404 if (token.value == TOK.TOKsemicolon) | |
| 3405 { | |
| 3406 condition2 = null; | |
| 3407 nextToken(); | |
| 3408 } | |
| 3409 else | |
| 3410 { | |
| 3411 condition2 = parseExpression(); | |
| 3412 check(TOK.TOKsemicolon, "for condition"); | |
| 3413 } | |
| 3414 if (token.value == TOK.TOKrparen) | |
| 3415 { increment = null; | |
| 3416 nextToken(); | |
| 3417 } | |
| 3418 else | |
| 3419 { increment = parseExpression(); | |
| 3420 check(TOK.TOKrparen); | |
| 3421 } | |
| 3422 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3423 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3424 if (init) | |
| 3425 s = new ScopeStatement(loc, s); | |
| 3426 break; | |
| 3427 } | |
| 3428 | |
| 3429 case TOK.TOKforeach: | |
| 3430 case TOK.TOKforeach_reverse: | |
| 3431 { | |
| 3432 TOK op = token.value; | |
| 3433 Arguments arguments; | |
| 3434 | |
| 3435 Statement d; | |
| 3436 Statement body_; | |
| 3437 Expression aggr; | |
| 3438 | |
| 3439 nextToken(); | |
| 3440 check(TOK.TOKlparen); | |
| 3441 | |
| 3442 arguments = new Arguments(); | |
| 3443 | |
| 3444 while (1) | |
| 3445 { | |
| 3446 Type tb; | |
| 3447 Identifier ai = null; | |
| 3448 Type at; | |
| 3449 STC storageClass = STC.STCundefined; | |
| 3450 Argument a; | |
| 3451 | |
| 3452 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3453 { storageClass = STC.STCref; | |
| 3454 nextToken(); | |
| 3455 } | |
| 3456 if (token.value == TOK.TOKidentifier) | |
| 3457 { | |
| 3458 Token *tt = peek(&token); | |
| 3459 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3460 { ai = token.ident; | |
| 3461 at = null; // infer argument type | |
| 3462 nextToken(); | |
| 3463 goto Larg; | |
| 3464 } | |
| 3465 } | |
| 3466 at = parseType(&ai); | |
| 3467 if (!ai) | |
| 3468 error("no identifier for declarator %s", at.toChars()); | |
| 3469 Larg: | |
| 3470 a = new Argument(storageClass, at, ai, null); | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3471 arguments.push(a); |
| 0 | 3472 if (token.value == TOK.TOKcomma) |
| 3473 { nextToken(); | |
| 3474 continue; | |
| 3475 } | |
| 3476 break; | |
| 3477 } | |
| 3478 check(TOK.TOKsemicolon); | |
| 3479 | |
| 3480 aggr = parseExpression(); | |
| 3481 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3482 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3483 auto a = arguments[0]; |
| 0 | 3484 delete arguments; |
| 3485 nextToken(); | |
| 3486 Expression upr = parseExpression(); | |
| 3487 check(TOK.TOKrparen); | |
| 3488 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3489 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3490 } | |
| 3491 else | |
| 3492 { | |
| 3493 check(TOK.TOKrparen); | |
| 3494 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3495 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3496 } | |
| 3497 break; | |
| 3498 } | |
| 3499 | |
| 3500 case TOK.TOKif: | |
| 3501 { Argument arg = null; | |
| 3502 Expression condition2; | |
| 3503 Statement ifbody2; | |
| 3504 Statement elsebody2; | |
| 3505 | |
| 3506 nextToken(); | |
| 3507 check(TOK.TOKlparen); | |
| 3508 | |
| 3509 if (token.value == TOK.TOKauto) | |
| 3510 { | |
| 3511 nextToken(); | |
| 3512 if (token.value == TOK.TOKidentifier) | |
| 3513 { | |
| 3514 Token *tt = peek(&token); | |
| 3515 if (tt.value == TOK.TOKassign) | |
| 3516 { | |
| 3517 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3518 nextToken(); | |
| 3519 nextToken(); | |
| 3520 } | |
| 3521 else | |
| 3522 { error("= expected following auto identifier"); | |
| 3523 goto Lerror; | |
| 3524 } | |
| 3525 } | |
| 3526 else | |
| 3527 { error("identifier expected following auto"); | |
| 3528 goto Lerror; | |
| 3529 } | |
| 3530 } | |
| 3531 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3532 { | |
| 3533 Type at; | |
| 3534 Identifier ai; | |
| 3535 | |
| 3536 at = parseType(&ai); | |
| 3537 check(TOK.TOKassign); | |
| 3538 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3539 } | |
| 3540 | |
| 3541 // Check for " ident;" | |
| 3542 else if (token.value == TOK.TOKidentifier) | |
| 3543 { | |
| 3544 Token *tt = peek(&token); | |
| 3545 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3546 { | |
| 3547 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3548 nextToken(); | |
| 3549 nextToken(); | |
| 3550 if (1 || !global.params.useDeprecated) | |
| 3551 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3552 } | |
| 3553 } | |
| 3554 | |
| 3555 condition2 = parseExpression(); | |
| 3556 check(TOK.TOKrparen); | |
| 3557 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3558 if (token.value == TOK.TOKelse) | |
| 3559 { | |
| 3560 nextToken(); | |
| 3561 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3562 } | |
| 3563 else | |
| 3564 elsebody2 = null; | |
| 3565 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3566 break; | |
| 3567 } | |
| 3568 | |
| 3569 case TOK.TOKscope: | |
| 3570 if (peek(&token).value != TOK.TOKlparen) | |
| 3571 goto Ldeclaration; // scope used as storage class | |
| 3572 nextToken(); | |
| 3573 check(TOK.TOKlparen); | |
| 3574 if (token.value != TOK.TOKidentifier) | |
| 3575 { error("scope identifier expected"); | |
| 3576 goto Lerror; | |
| 3577 } | |
| 3578 else | |
| 3579 { TOK tt = TOK.TOKon_scope_exit; | |
| 3580 Identifier id = token.ident; | |
| 3581 | |
| 3582 if (id == Id.exit) | |
| 3583 tt = TOK.TOKon_scope_exit; | |
| 3584 else if (id == Id.failure) | |
| 3585 tt = TOK.TOKon_scope_failure; | |
| 3586 else if (id == Id.success) | |
| 3587 tt = TOK.TOKon_scope_success; | |
| 3588 else | |
| 3589 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3590 nextToken(); | |
| 3591 check(TOK.TOKrparen); | |
| 3592 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3593 s = new OnScopeStatement(loc, tt, st); | |
| 3594 break; | |
| 3595 } | |
| 3596 | |
| 3597 case TOK.TOKdebug: | |
| 3598 nextToken(); | |
| 3599 condition = parseDebugCondition(); | |
| 3600 goto Lcondition; | |
| 3601 | |
| 3602 case TOK.TOKversion: | |
| 3603 nextToken(); | |
| 3604 condition = parseVersionCondition(); | |
| 3605 goto Lcondition; | |
| 3606 | |
| 3607 Lcondition: | |
| 3608 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3609 elsebody = null; | |
| 3610 if (token.value == TOK.TOKelse) | |
| 3611 { | |
| 3612 nextToken(); | |
| 3613 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3614 } | |
| 3615 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3616 break; | |
| 3617 | |
| 3618 case TOK.TOKpragma: | |
| 3619 { Identifier ident; | |
| 3620 Expressions args = null; | |
| 3621 Statement body_; | |
| 3622 | |
| 3623 nextToken(); | |
| 3624 check(TOK.TOKlparen); | |
| 3625 if (token.value != TOK.TOKidentifier) | |
| 3626 { error("pragma(identifier expected"); | |
| 3627 goto Lerror; | |
| 3628 } | |
| 3629 ident = token.ident; | |
| 3630 nextToken(); | |
| 3631 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3632 args = parseArguments(); // pragma(identifier, args...); | |
| 3633 else | |
| 3634 check(TOK.TOKrparen); // pragma(identifier); | |
| 3635 if (token.value == TOK.TOKsemicolon) | |
| 3636 { nextToken(); | |
| 3637 body_ = null; | |
| 3638 } | |
| 3639 else | |
| 3640 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3641 s = new PragmaStatement(loc, ident, args, body_); | |
| 3642 break; | |
| 3643 } | |
| 3644 | |
| 3645 case TOK.TOKswitch: | |
| 3646 isfinal = false; | |
| 3647 goto Lswitch; | |
| 3648 | |
| 3649 Lswitch: | |
| 3650 { | |
| 3651 nextToken(); | |
| 3652 check(TOK.TOKlparen); | |
| 3653 Expression condition2 = parseExpression(); | |
| 3654 check(TOK.TOKrparen); | |
| 3655 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3656 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3657 break; | |
| 3658 } | |
| 3659 | |
| 3660 case TOK.TOKcase: | |
| 3661 { Expression exp; | |
| 3662 Statements statements; | |
| 3663 scope Array cases = new Array(); // array of Expression's | |
| 3664 Expression last = null; | |
| 3665 | |
| 3666 while (1) | |
| 3667 { | |
| 3668 nextToken(); | |
| 3669 exp = parseAssignExp(); | |
| 3670 cases.push(cast(void*)exp); | |
| 3671 if (token.value != TOK.TOKcomma) | |
| 3672 break; | |
| 3673 } | |
| 3674 check(TOK.TOKcolon); | |
| 3675 | |
| 3676 version (DMDV2) { | |
| 3677 /* case exp: .. case last: | |
| 3678 */ | |
| 3679 if (token.value == TOK.TOKslice) | |
| 3680 { | |
| 3681 if (cases.dim > 1) | |
| 3682 error("only one case allowed for start of case range"); | |
| 3683 nextToken(); | |
| 3684 check(TOK.TOKcase); | |
| 3685 last = parseAssignExp(); | |
| 3686 check(TOK.TOKcolon); | |
| 3687 } | |
| 3688 } | |
| 3689 | |
| 3690 statements = new Statements(); | |
| 3691 while (token.value != TOK.TOKcase && | |
| 3692 token.value != TOK.TOKdefault && | |
| 79 | 3693 token.value != TOKeof && |
| 0 | 3694 token.value != TOK.TOKrcurly) |
| 3695 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3696 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3697 } |
| 3698 s = new CompoundStatement(loc, statements); | |
| 3699 s = new ScopeStatement(loc, s); | |
| 3700 | |
| 3701 ///version (DMDV2) { | |
| 3702 if (last) | |
| 3703 { | |
| 3704 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3705 } | |
| 3706 else | |
| 3707 ///} | |
| 3708 { | |
| 3709 // Keep cases in order by building the case statements backwards | |
| 3710 for (int i = cases.dim; i; i--) | |
| 3711 { | |
| 3712 exp = cast(Expression)cases.data[i - 1]; | |
| 3713 s = new CaseStatement(loc, exp, s); | |
| 3714 } | |
| 3715 } | |
| 3716 break; | |
| 3717 } | |
| 3718 | |
| 3719 case TOK.TOKdefault: | |
| 3720 { | |
| 3721 Statements statements; | |
| 3722 | |
| 3723 nextToken(); | |
| 3724 check(TOK.TOKcolon); | |
| 3725 | |
| 3726 statements = new Statements(); | |
| 3727 while (token.value != TOK.TOKcase && | |
| 3728 token.value != TOK.TOKdefault && | |
| 79 | 3729 token.value != TOKeof && |
| 0 | 3730 token.value != TOK.TOKrcurly) |
| 3731 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3732 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3733 } |
| 3734 s = new CompoundStatement(loc, statements); | |
| 3735 s = new ScopeStatement(loc, s); | |
| 3736 s = new DefaultStatement(loc, s); | |
| 3737 break; | |
| 3738 } | |
| 3739 | |
| 3740 case TOK.TOKreturn: | |
| 3741 { Expression exp; | |
| 3742 | |
| 3743 nextToken(); | |
| 3744 if (token.value == TOK.TOKsemicolon) | |
| 3745 exp = null; | |
| 3746 else | |
| 3747 exp = parseExpression(); | |
| 3748 check(TOK.TOKsemicolon, "return statement"); | |
| 3749 s = new ReturnStatement(loc, exp); | |
| 3750 break; | |
| 3751 } | |
| 3752 | |
| 3753 case TOK.TOKbreak: | |
| 3754 { Identifier ident; | |
| 3755 | |
| 3756 nextToken(); | |
| 3757 if (token.value == TOK.TOKidentifier) | |
| 3758 { ident = token.ident; | |
| 3759 nextToken(); | |
| 3760 } | |
| 3761 else | |
| 3762 ident = null; | |
| 3763 check(TOK.TOKsemicolon, "break statement"); | |
| 3764 s = new BreakStatement(loc, ident); | |
| 3765 break; | |
| 3766 } | |
| 3767 | |
| 3768 case TOK.TOKcontinue: | |
| 3769 { Identifier ident; | |
| 3770 | |
| 3771 nextToken(); | |
| 3772 if (token.value == TOK.TOKidentifier) | |
| 3773 { ident = token.ident; | |
| 3774 nextToken(); | |
| 3775 } | |
| 3776 else | |
| 3777 ident = null; | |
| 3778 check(TOK.TOKsemicolon, "continue statement"); | |
| 3779 s = new ContinueStatement(loc, ident); | |
| 3780 break; | |
| 3781 } | |
| 3782 | |
| 3783 case TOK.TOKgoto: | |
| 3784 { Identifier ident; | |
| 3785 | |
| 3786 nextToken(); | |
| 3787 if (token.value == TOK.TOKdefault) | |
| 3788 { | |
| 3789 nextToken(); | |
| 3790 s = new GotoDefaultStatement(loc); | |
| 3791 } | |
| 3792 else if (token.value == TOK.TOKcase) | |
| 3793 { | |
| 3794 Expression exp = null; | |
| 3795 | |
| 3796 nextToken(); | |
| 3797 if (token.value != TOK.TOKsemicolon) | |
| 3798 exp = parseExpression(); | |
| 3799 s = new GotoCaseStatement(loc, exp); | |
| 3800 } | |
| 3801 else | |
| 3802 { | |
| 3803 if (token.value != TOK.TOKidentifier) | |
| 3804 { error("Identifier expected following goto"); | |
| 3805 ident = null; | |
| 3806 } | |
| 3807 else | |
| 3808 { ident = token.ident; | |
| 3809 nextToken(); | |
| 3810 } | |
| 3811 s = new GotoStatement(loc, ident); | |
| 3812 } | |
| 3813 check(TOK.TOKsemicolon, "goto statement"); | |
| 3814 break; | |
| 3815 } | |
| 3816 | |
| 3817 case TOK.TOKsynchronized: | |
| 3818 { Expression exp; | |
| 3819 Statement body_; | |
| 3820 | |
| 3821 nextToken(); | |
| 3822 if (token.value == TOK.TOKlparen) | |
| 3823 { | |
| 3824 nextToken(); | |
| 3825 exp = parseExpression(); | |
| 3826 check(TOK.TOKrparen); | |
| 3827 } | |
| 3828 else | |
| 3829 exp = null; | |
| 3830 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3831 s = new SynchronizedStatement(loc, exp, body_); | |
| 3832 break; | |
| 3833 } | |
| 3834 | |
| 3835 case TOK.TOKwith: | |
| 3836 { Expression exp; | |
| 3837 Statement body_; | |
| 3838 | |
| 3839 nextToken(); | |
| 3840 check(TOK.TOKlparen); | |
| 3841 exp = parseExpression(); | |
| 3842 check(TOK.TOKrparen); | |
| 3843 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3844 s = new WithStatement(loc, exp, body_); | |
| 3845 break; | |
| 3846 } | |
| 3847 | |
| 3848 case TOK.TOKtry: | |
| 3849 { Statement body_; | |
| 3850 Array catches = null; | |
| 3851 Statement finalbody = null; | |
| 3852 | |
| 3853 nextToken(); | |
| 3854 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3855 while (token.value == TOK.TOKcatch) | |
| 3856 { | |
| 3857 Statement handler; | |
| 3858 Catch c; | |
| 3859 Type tt; | |
| 3860 Identifier id; | |
| 3861 Loc loc2 = this.loc; | |
| 3862 | |
| 3863 nextToken(); | |
| 3864 if (token.value == TOK.TOKlcurly) | |
| 3865 { | |
| 3866 tt = null; | |
| 3867 id = null; | |
| 3868 } | |
| 3869 else | |
| 3870 { | |
| 3871 check(TOK.TOKlparen); | |
| 3872 id = null; | |
| 3873 tt = parseType(&id); | |
| 3874 check(TOK.TOKrparen); | |
| 3875 } | |
| 3876 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3877 c = new Catch(loc2, tt, id, handler); | |
| 3878 if (!catches) | |
| 3879 catches = new Array(); | |
| 3880 catches.push(cast(void*)c); | |
| 3881 } | |
| 3882 | |
| 3883 if (token.value == TOK.TOKfinally) | |
| 3884 { nextToken(); | |
| 3885 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3886 } | |
| 3887 | |
| 3888 s = body_; | |
| 3889 if (!catches && !finalbody) | |
| 3890 error("catch or finally expected following try"); | |
| 3891 else | |
| 3892 { if (catches) | |
| 3893 s = new TryCatchStatement(loc, body_, catches); | |
| 3894 if (finalbody) | |
| 3895 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3896 } | |
| 3897 break; | |
| 3898 } | |
| 3899 | |
| 3900 case TOK.TOKthrow: | |
| 3901 { Expression exp; | |
| 3902 | |
| 3903 nextToken(); | |
| 3904 exp = parseExpression(); | |
| 3905 check(TOK.TOKsemicolon, "throw statement"); | |
| 3906 s = new ThrowStatement(loc, exp); | |
| 3907 break; | |
| 3908 } | |
| 3909 | |
| 3910 case TOK.TOKvolatile: | |
| 3911 nextToken(); | |
| 3912 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3913 version (DMDV2) { | |
| 3914 if (!global.params.useDeprecated) | |
| 3915 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3916 } | |
| 3917 s = new VolatileStatement(loc, s); | |
| 3918 break; | |
| 3919 | |
| 3920 case TOK.TOKasm: | |
| 3921 { Statements statements; | |
| 3922 Identifier label; | |
| 3923 Loc labelloc; | |
| 3924 Token* toklist; | |
| 3925 Token** ptoklist; | |
| 3926 | |
| 3927 // Parse the asm block into a sequence of AsmStatements, | |
| 3928 // each AsmStatement is one instruction. | |
| 3929 // Separate out labels. | |
| 3930 // Defer parsing of AsmStatements until semantic processing. | |
| 3931 | |
| 3932 nextToken(); | |
| 3933 check(TOK.TOKlcurly); | |
| 3934 toklist = null; | |
| 3935 ptoklist = &toklist; | |
| 3936 label = null; | |
| 3937 statements = new Statements(); | |
| 3938 while (1) | |
| 3939 { | |
| 3940 switch (token.value) | |
| 3941 { | |
| 3942 case TOK.TOKidentifier: | |
| 3943 if (!toklist) | |
| 3944 { | |
| 3945 // Look ahead to see if it is a label | |
| 3946 t = peek(&token); | |
| 3947 if (t.value == TOK.TOKcolon) | |
| 3948 { // It's a label | |
| 3949 label = token.ident; | |
| 3950 labelloc = this.loc; | |
| 3951 nextToken(); | |
| 3952 nextToken(); | |
| 3953 continue; | |
| 3954 } | |
| 3955 } | |
| 3956 goto Ldefault; | |
| 3957 | |
| 3958 case TOK.TOKrcurly: | |
| 3959 if (toklist || label) | |
| 3960 { | |
| 3961 error("asm statements must end in ';'"); | |
| 3962 } | |
| 3963 break; | |
| 3964 | |
| 3965 case TOK.TOKsemicolon: | |
| 3966 s = null; | |
| 3967 if (toklist || label) | |
| 3968 { // Create AsmStatement from list of tokens we've saved | |
| 3969 s = new AsmStatement(this.loc, toklist); | |
| 3970 toklist = null; | |
| 3971 ptoklist = &toklist; | |
| 3972 if (label) | |
| 3973 { | |
| 3974 s = new LabelStatement(labelloc, label, s); | |
| 3975 label = null; | |
| 3976 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3977 statements.push(s); |
| 0 | 3978 } |
| 3979 nextToken(); | |
| 3980 continue; | |
| 3981 | |
| 3982 case TOK.TOKeof: | |
| 3983 /* { */ | |
| 3984 error("matching '}' expected, not end of file"); | |
| 3985 break; | |
| 3986 | |
| 3987 default: | |
| 3988 Ldefault: | |
| 3989 *ptoklist = new Token(); | |
| 3990 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3991 ptoklist = &(*ptoklist).next; | |
| 3992 *ptoklist = null; | |
| 3993 | |
| 3994 nextToken(); | |
| 3995 continue; | |
| 3996 } | |
| 3997 break; | |
| 3998 } | |
| 3999 s = new CompoundStatement(loc, statements); | |
| 4000 nextToken(); | |
| 4001 break; | |
| 4002 } | |
| 4003 | |
| 4004 default: | |
| 4005 error("found '%s' instead of statement", token.toChars()); | |
| 4006 goto Lerror; | |
| 4007 | |
| 4008 Lerror: | |
| 4009 while (token.value != TOK.TOKrcurly && | |
| 4010 token.value != TOK.TOKsemicolon && | |
| 4011 token.value != TOK.TOKeof) | |
| 4012 nextToken(); | |
| 4013 if (token.value == TOK.TOKsemicolon) | |
| 4014 nextToken(); | |
| 4015 s = null; | |
| 4016 break; | |
| 4017 } | |
| 4018 | |
| 4019 return s; | |
| 4020 } | |
| 4021 | |
| 4022 /***************************************** | |
| 4023 * Parse initializer for variable declaration. | |
| 4024 */ | |
| 4025 Initializer parseInitializer() | |
| 4026 { | |
| 4027 StructInitializer is_; | |
| 4028 ArrayInitializer ia; | |
| 4029 ExpInitializer ie; | |
| 4030 Expression e; | |
| 4031 Identifier id; | |
| 4032 Initializer value; | |
| 4033 int comma; | |
| 4034 Loc loc = this.loc; | |
| 4035 Token* t; | |
| 4036 int braces; | |
| 4037 int brackets; | |
| 4038 | |
| 4039 switch (token.value) | |
| 4040 { | |
| 4041 case TOK.TOKlcurly: | |
| 4042 /* Scan ahead to see if it is a struct initializer or | |
| 4043 * a function literal. | |
| 4044 * If it contains a ';', it is a function literal. | |
| 4045 * Treat { } as a struct initializer. | |
| 4046 */ | |
| 4047 braces = 1; | |
| 4048 for (t = peek(&token); 1; t = peek(t)) | |
| 4049 { | |
| 4050 switch (t.value) | |
| 4051 { | |
| 4052 case TOK.TOKsemicolon: | |
| 4053 case TOK.TOKreturn: | |
| 4054 goto Lexpression; | |
| 4055 | |
| 4056 case TOK.TOKlcurly: | |
| 4057 braces++; | |
| 4058 continue; | |
| 4059 | |
| 4060 case TOK.TOKrcurly: | |
| 4061 if (--braces == 0) | |
| 4062 break; | |
| 4063 continue; | |
| 4064 | |
| 4065 case TOK.TOKeof: | |
| 4066 break; | |
| 4067 | |
| 4068 default: | |
| 4069 continue; | |
| 4070 } | |
| 4071 break; | |
| 4072 } | |
| 4073 | |
| 4074 is_ = new StructInitializer(loc); | |
| 4075 nextToken(); | |
| 4076 comma = 0; | |
| 4077 while (1) | |
| 4078 { | |
| 4079 switch (token.value) | |
| 4080 { | |
| 4081 case TOK.TOKidentifier: | |
| 4082 if (comma == 1) | |
| 4083 error("comma expected separating field initializers"); | |
| 4084 t = peek(&token); | |
| 4085 if (t.value == TOK.TOKcolon) | |
| 4086 { | |
| 4087 id = token.ident; | |
| 4088 nextToken(); | |
| 4089 nextToken(); // skip over ':' | |
| 4090 } | |
| 4091 else | |
| 4092 { | |
| 4093 id = null; | |
| 4094 } | |
| 4095 value = parseInitializer(); | |
| 4096 is_.addInit(id, value); | |
| 4097 comma = 1; | |
| 4098 continue; | |
| 4099 | |
| 4100 case TOK.TOKcomma: | |
| 4101 nextToken(); | |
| 4102 comma = 2; | |
| 4103 continue; | |
| 4104 | |
| 4105 case TOK.TOKrcurly: // allow trailing comma's | |
| 4106 nextToken(); | |
| 4107 break; | |
| 4108 | |
| 4109 case TOK.TOKeof: | |
| 4110 error("found EOF instead of initializer"); | |
| 4111 break; | |
| 4112 | |
| 4113 default: | |
| 4114 value = parseInitializer(); | |
| 4115 is_.addInit(null, value); | |
| 4116 comma = 1; | |
| 4117 continue; | |
| 4118 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4119 //break; | |
| 4120 } | |
| 4121 break; | |
| 4122 } | |
| 4123 return is_; | |
| 4124 | |
| 4125 case TOK.TOKlbracket: | |
| 4126 /* Scan ahead to see if it is an array initializer or | |
| 4127 * an expression. | |
| 4128 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4129 */ | |
| 4130 brackets = 1; | |
| 4131 for (t = peek(&token); 1; t = peek(t)) | |
| 4132 { | |
| 4133 switch (t.value) | |
| 4134 { | |
| 4135 case TOK.TOKlbracket: | |
| 4136 brackets++; | |
| 4137 continue; | |
| 4138 | |
| 4139 case TOK.TOKrbracket: | |
| 4140 if (--brackets == 0) | |
| 4141 { | |
| 4142 t = peek(t); | |
| 4143 if (t.value != TOK.TOKsemicolon && | |
| 4144 t.value != TOK.TOKcomma && | |
| 4145 t.value != TOK.TOKrcurly) | |
| 4146 goto Lexpression; | |
| 4147 break; | |
| 4148 } | |
| 4149 continue; | |
| 4150 | |
| 4151 case TOK.TOKeof: | |
| 4152 break; | |
| 4153 | |
| 4154 default: | |
| 4155 continue; | |
| 4156 } | |
| 4157 break; | |
| 4158 } | |
| 4159 | |
| 4160 ia = new ArrayInitializer(loc); | |
| 4161 nextToken(); | |
| 4162 comma = 0; | |
| 4163 while (true) | |
| 4164 { | |
| 4165 switch (token.value) | |
| 4166 { | |
| 4167 default: | |
| 4168 if (comma == 1) | |
| 4169 { | |
| 4170 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4171 nextToken(); | |
| 4172 break; | |
| 4173 } | |
| 4174 e = parseAssignExp(); | |
| 4175 if (!e) | |
| 4176 break; | |
| 4177 if (token.value == TOK.TOKcolon) | |
| 4178 { | |
| 4179 nextToken(); | |
| 4180 value = parseInitializer(); | |
| 4181 } | |
| 4182 else | |
| 4183 { value = new ExpInitializer(e.loc, e); | |
| 4184 e = null; | |
| 4185 } | |
| 4186 ia.addInit(e, value); | |
| 4187 comma = 1; | |
| 4188 continue; | |
| 4189 | |
| 4190 case TOK.TOKlcurly: | |
| 4191 case TOK.TOKlbracket: | |
| 4192 if (comma == 1) | |
| 4193 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4194 value = parseInitializer(); | |
| 4195 ia.addInit(null, value); | |
| 4196 comma = 1; | |
| 4197 continue; | |
| 4198 | |
| 4199 case TOK.TOKcomma: | |
| 4200 nextToken(); | |
| 4201 comma = 2; | |
| 4202 continue; | |
| 4203 | |
| 4204 case TOK.TOKrbracket: // allow trailing comma's | |
| 4205 nextToken(); | |
| 4206 break; | |
| 4207 | |
| 4208 case TOK.TOKeof: | |
| 4209 error("found '%s' instead of array initializer", token.toChars()); | |
| 4210 break; | |
| 4211 } | |
| 4212 break; | |
| 4213 } | |
| 4214 return ia; | |
| 4215 | |
| 4216 case TOK.TOKvoid: | |
| 4217 t = peek(&token); | |
| 4218 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4219 { | |
| 4220 nextToken(); | |
| 4221 return new VoidInitializer(loc); | |
| 4222 } | |
| 4223 goto Lexpression; | |
| 4224 | |
| 4225 default: | |
| 4226 Lexpression: | |
| 4227 e = parseAssignExp(); | |
| 4228 ie = new ExpInitializer(loc, e); | |
| 4229 return ie; | |
| 4230 } | |
| 4231 } | |
| 4232 | |
| 4233 /***************************************** | |
| 4234 * Parses default argument initializer expression that is an assign expression, | |
| 4235 * with special handling for __FILE__ and __LINE__. | |
| 4236 */ | |
| 4237 version (DMDV2) { | |
| 4238 Expression parseDefaultInitExp() | |
| 4239 { | |
| 4240 if (token.value == TOK.TOKfile || | |
| 4241 token.value == TOK.TOKline) | |
| 4242 { | |
| 4243 Token* t = peek(&token); | |
| 4244 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4245 { | |
| 4246 Expression e; | |
| 4247 | |
| 4248 if (token.value == TOK.TOKfile) | |
| 4249 e = new FileInitExp(loc); | |
| 4250 else | |
| 4251 e = new LineInitExp(loc); | |
| 4252 nextToken(); | |
| 4253 return e; | |
| 4254 } | |
| 4255 } | |
| 4256 | |
| 4257 Expression e = parseAssignExp(); | |
| 4258 return e; | |
| 4259 } | |
| 4260 } | |
| 4261 void check(Loc loc, TOK value) | |
| 4262 { | |
| 4263 if (token.value != value) | |
| 4264 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4265 nextToken(); | |
| 4266 } | |
| 4267 | |
| 4268 void check(TOK value) | |
| 4269 { | |
| 4270 check(loc, value); | |
| 4271 } | |
| 4272 | |
| 4273 void check(TOK value, string string_) | |
| 4274 { | |
| 4275 if (token.value != value) { | |
| 4276 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4277 } | |
| 4278 nextToken(); | |
| 4279 } | |
| 4280 | |
| 4281 /************************************ | |
| 4282 * Determine if the scanner is sitting on the start of a declaration. | |
| 4283 * Input: | |
| 4284 * needId 0 no identifier | |
| 4285 * 1 identifier optional | |
| 4286 * 2 must have identifier | |
| 4287 * Output: | |
| 4288 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4289 */ | |
| 4290 | |
| 4291 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4292 { | |
| 4293 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4294 int haveId = 0; | |
| 4295 | |
| 4296 version (DMDV2) { | |
| 4297 if ((t.value == TOK.TOKconst || | |
| 4298 t.value == TOK.TOKinvariant || | |
| 4299 t.value == TOK.TOKimmutable || | |
| 4300 t.value == TOK.TOKshared) && | |
| 4301 peek(t).value != TOK.TOKlparen) | |
| 4302 { | |
| 4303 /* const type | |
| 4304 * immutable type | |
| 4305 * shared type | |
| 4306 */ | |
| 4307 t = peek(t); | |
| 4308 } | |
| 4309 } | |
| 4310 | |
| 4311 if (!isBasicType(&t)) | |
| 4312 { | |
| 4313 goto Lisnot; | |
| 4314 } | |
| 4315 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4316 goto Lisnot; | |
| 4317 if ( needId == 1 || | |
| 4318 (needId == 0 && !haveId) || | |
| 4319 (needId == 2 && haveId)) | |
| 4320 { | |
| 4321 if (pt) | |
| 4322 *pt = t; | |
| 4323 goto Lis; | |
| 4324 } | |
| 4325 else | |
| 4326 goto Lisnot; | |
| 4327 | |
| 4328 Lis: | |
| 4329 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4330 return true; | |
| 4331 | |
| 4332 Lisnot: | |
| 4333 //printf("\tis not declaration\n"); | |
| 4334 return false; | |
| 4335 } | |
| 4336 | |
| 4337 bool isBasicType(Token** pt) | |
| 4338 { | |
| 4339 // This code parallels parseBasicType() | |
| 4340 Token* t = *pt; | |
| 4341 Token* t2; | |
| 4342 int parens; | |
| 4343 int haveId = 0; | |
| 4344 | |
| 4345 switch (t.value) | |
| 4346 { | |
| 4347 case TOKwchar: | |
| 4348 case TOKdchar: | |
| 4349 case TOKbit: | |
| 4350 case TOKbool: | |
| 4351 case TOKchar: | |
| 4352 case TOKint8: | |
| 4353 case TOKuns8: | |
| 4354 case TOKint16: | |
| 4355 case TOKuns16: | |
| 4356 case TOKint32: | |
| 4357 case TOKuns32: | |
| 4358 case TOKint64: | |
| 4359 case TOKuns64: | |
| 4360 case TOKfloat32: | |
| 4361 case TOKfloat64: | |
| 4362 case TOKfloat80: | |
| 4363 case TOKimaginary32: | |
| 4364 case TOKimaginary64: | |
| 4365 case TOKimaginary80: | |
| 4366 case TOKcomplex32: | |
| 4367 case TOKcomplex64: | |
| 4368 case TOKcomplex80: | |
| 4369 case TOKvoid: | |
| 4370 t = peek(t); | |
| 4371 break; | |
| 4372 | |
| 4373 case TOK.TOKidentifier: | |
| 4374 L5: | |
| 4375 t = peek(t); | |
| 4376 if (t.value == TOK.TOKnot) | |
| 4377 { | |
| 4378 goto L4; | |
| 4379 } | |
| 4380 goto L3; | |
| 4381 while (1) | |
| 4382 { | |
| 4383 L2: | |
| 4384 t = peek(t); | |
| 4385 L3: | |
| 4386 if (t.value == TOK.TOKdot) | |
| 4387 { | |
| 4388 Ldot: | |
| 4389 t = peek(t); | |
| 4390 if (t.value != TOK.TOKidentifier) | |
| 4391 goto Lfalse; | |
| 4392 t = peek(t); | |
| 4393 if (t.value != TOK.TOKnot) | |
| 4394 goto L3; | |
| 4395 L4: | |
| 4396 /* Seen a ! | |
| 4397 * Look for: | |
| 4398 * !( args ), !identifier, etc. | |
| 4399 */ | |
| 4400 t = peek(t); | |
| 4401 switch (t.value) | |
| 4402 { case TOK.TOKidentifier: | |
| 4403 goto L5; | |
| 4404 case TOK.TOKlparen: | |
| 4405 if (!skipParens(t, &t)) | |
| 4406 goto Lfalse; | |
| 4407 break; | |
| 4408 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4409 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4410 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4411 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4412 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4413 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4414 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4415 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4416 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4417 case TOK.TOKvoid: | |
| 4418 case TOK.TOKint32v: | |
| 4419 case TOK.TOKuns32v: | |
| 4420 case TOK.TOKint64v: | |
| 4421 case TOK.TOKuns64v: | |
| 4422 case TOK.TOKfloat32v: | |
| 4423 case TOK.TOKfloat64v: | |
| 4424 case TOK.TOKfloat80v: | |
| 4425 case TOK.TOKimaginary32v: | |
| 4426 case TOK.TOKimaginary64v: | |
| 4427 case TOK.TOKimaginary80v: | |
| 4428 case TOK.TOKnull: | |
| 4429 case TOK.TOKtrue: | |
| 4430 case TOK.TOKfalse: | |
| 4431 case TOK.TOKcharv: | |
| 4432 case TOK.TOKwcharv: | |
| 4433 case TOK.TOKdcharv: | |
| 4434 case TOK.TOKstring: | |
| 4435 case TOK.TOKfile: | |
| 4436 case TOK.TOKline: | |
| 4437 goto L2; | |
| 4438 default: | |
| 4439 goto Lfalse; | |
| 4440 } | |
| 4441 } | |
| 4442 else | |
| 4443 break; | |
| 4444 } | |
| 4445 break; | |
| 4446 | |
| 4447 case TOK.TOKdot: | |
| 4448 goto Ldot; | |
| 4449 | |
| 4450 case TOK.TOKtypeof: | |
| 4451 /* typeof(exp).identifier... | |
| 4452 */ | |
| 4453 t = peek(t); | |
| 4454 if (t.value != TOK.TOKlparen) | |
| 4455 goto Lfalse; | |
| 4456 if (!skipParens(t, &t)) | |
| 4457 goto Lfalse; | |
| 4458 goto L2; | |
| 4459 | |
| 4460 case TOK.TOKconst: | |
| 4461 case TOK.TOKinvariant: | |
| 4462 case TOK.TOKimmutable: | |
| 4463 case TOK.TOKshared: | |
| 4464 // const(type) or immutable(type) or shared(type) | |
| 4465 t = peek(t); | |
| 4466 if (t.value != TOK.TOKlparen) | |
| 4467 goto Lfalse; | |
| 4468 t = peek(t); | |
| 4469 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4470 { | |
| 4471 goto Lfalse; | |
| 4472 } | |
| 4473 t = peek(t); | |
| 4474 break; | |
| 4475 | |
| 4476 default: | |
| 4477 goto Lfalse; | |
| 4478 } | |
| 4479 *pt = t; | |
| 4480 //printf("is\n"); | |
| 4481 return true; | |
| 4482 | |
| 4483 Lfalse: | |
| 4484 //printf("is not\n"); | |
| 4485 return false; | |
| 4486 } | |
| 4487 | |
| 4488 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4489 { | |
| 4490 // This code parallels parseDeclarator() | |
| 4491 Token* t = *pt; | |
| 4492 bool parens; | |
| 4493 | |
| 4494 //printf("Parser.isDeclarator()\n"); | |
| 4495 //t.print(); | |
| 4496 if (t.value == TOK.TOKassign) | |
| 4497 return false; | |
| 4498 | |
| 4499 while (true) | |
| 4500 { | |
| 4501 parens = false; | |
| 4502 switch (t.value) | |
| 4503 { | |
| 4504 case TOK.TOKmul: | |
| 4505 //case TOKand: | |
| 4506 t = peek(t); | |
| 4507 continue; | |
| 4508 | |
| 4509 case TOK.TOKlbracket: | |
| 4510 t = peek(t); | |
| 4511 if (t.value == TOK.TOKrbracket) | |
| 4512 { | |
| 4513 t = peek(t); | |
| 4514 } | |
| 79 | 4515 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4516 { | |
| 4517 t = peek(t); | |
| 4518 t = peek(t); | |
| 4519 } | |
| 0 | 4520 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4521 { | |
| 4522 // It's an associative array declaration | |
| 4523 t = peek(t); | |
| 4524 } | |
| 4525 else | |
| 4526 { | |
| 4527 // [ expression ] | |
| 4528 // [ expression .. expression ] | |
| 4529 if (!isExpression(&t)) | |
| 4530 return false; | |
| 4531 if (t.value == TOK.TOKslice) | |
| 4532 { | |
| 4533 t = peek(t); | |
| 4534 if (!isExpression(&t)) | |
| 4535 return false; | |
| 4536 } | |
| 4537 if (t.value != TOK.TOKrbracket) | |
| 4538 return false; | |
| 4539 t = peek(t); | |
| 4540 } | |
| 4541 continue; | |
| 4542 | |
| 4543 case TOK.TOKidentifier: | |
| 4544 if (*haveId) | |
| 4545 return false; | |
| 4546 *haveId = true; | |
| 4547 t = peek(t); | |
| 4548 break; | |
| 4549 | |
| 4550 case TOK.TOKlparen: | |
| 4551 t = peek(t); | |
| 4552 | |
| 4553 if (t.value == TOK.TOKrparen) | |
| 4554 return false; // () is not a declarator | |
| 4555 | |
| 4556 /* Regard ( identifier ) as not a declarator | |
| 4557 * BUG: what about ( *identifier ) in | |
| 4558 * f(*p)(x); | |
| 4559 * where f is a class instance with overloaded () ? | |
| 4560 * Should we just disallow C-style function pointer declarations? | |
| 4561 */ | |
| 4562 if (t.value == TOK.TOKidentifier) | |
| 4563 { | |
| 4564 Token *t2 = peek(t); | |
| 4565 if (t2.value == TOK.TOKrparen) | |
| 4566 return false; | |
| 4567 } | |
| 4568 | |
| 4569 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4570 return false; | |
| 4571 t = peek(t); | |
| 4572 parens = true; | |
| 4573 break; | |
| 4574 | |
| 4575 case TOK.TOKdelegate: | |
| 4576 case TOK.TOKfunction: | |
| 4577 t = peek(t); | |
| 4578 if (!isParameters(&t)) | |
| 4579 return false; | |
| 4580 continue; | |
| 4581 default: | |
| 4582 break; /// | |
| 4583 } | |
| 4584 break; | |
| 4585 } | |
| 4586 | |
| 4587 while (1) | |
| 4588 { | |
| 4589 switch (t.value) | |
| 4590 { | |
| 4591 version (CARRAYDECL) { | |
| 4592 case TOK.TOKlbracket: | |
| 4593 parens = false; | |
| 4594 t = peek(t); | |
| 4595 if (t.value == TOK.TOKrbracket) | |
| 4596 { | |
| 4597 t = peek(t); | |
| 4598 } | |
| 4599 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4600 { | |
| 4601 // It's an associative array declaration | |
| 4602 t = peek(t); | |
| 4603 } | |
| 4604 else | |
| 4605 { | |
| 4606 // [ expression ] | |
| 4607 if (!isExpression(&t)) | |
| 4608 return false; | |
| 4609 if (t.value != TOK.TOKrbracket) | |
| 4610 return false; | |
| 4611 t = peek(t); | |
| 4612 } | |
| 4613 continue; | |
| 4614 } | |
| 4615 | |
| 4616 case TOK.TOKlparen: | |
| 4617 parens = false; | |
| 4618 if (!isParameters(&t)) | |
| 4619 return false; | |
| 4620 version (DMDV2) { | |
| 4621 while (true) | |
| 4622 { | |
| 4623 switch (t.value) | |
| 4624 { | |
| 4625 case TOK.TOKconst: | |
| 4626 case TOK.TOKinvariant: | |
| 4627 case TOK.TOKimmutable: | |
| 4628 case TOK.TOKshared: | |
| 4629 case TOK.TOKpure: | |
| 4630 case TOK.TOKnothrow: | |
| 4631 t = peek(t); | |
| 4632 continue; | |
| 4633 case TOK.TOKat: | |
| 4634 t = peek(t); // skip '@' | |
| 4635 t = peek(t); // skip identifier | |
| 4636 continue; | |
| 4637 default: | |
| 4638 break; | |
| 4639 } | |
| 4640 break; | |
| 4641 } | |
| 4642 } | |
| 4643 continue; | |
| 4644 | |
| 4645 // Valid tokens that follow a declaration | |
| 4646 case TOK.TOKrparen: | |
| 4647 case TOK.TOKrbracket: | |
| 4648 case TOK.TOKassign: | |
| 4649 case TOK.TOKcomma: | |
| 4650 case TOK.TOKsemicolon: | |
| 4651 case TOK.TOKlcurly: | |
| 4652 case TOK.TOKin: | |
| 4653 // The !parens is to disallow unnecessary parentheses | |
| 4654 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4655 { | |
| 4656 *pt = t; | |
| 4657 return true; | |
| 4658 } | |
| 4659 return false; | |
| 4660 | |
| 4661 default: | |
| 4662 return false; | |
| 4663 } | |
| 4664 } | |
| 4665 } | |
| 4666 | |
| 4667 bool isParameters(Token** pt) | |
| 4668 { | |
| 4669 // This code parallels parseParameters() | |
| 4670 Token* t = *pt; | |
| 4671 | |
| 4672 //printf("isParameters()\n"); | |
| 4673 if (t.value != TOKlparen) | |
| 4674 return false; | |
| 4675 | |
| 4676 t = peek(t); | |
| 4677 for (;1; t = peek(t)) | |
| 4678 { | |
| 4679 L1: | |
| 4680 switch (t.value) | |
| 4681 { | |
| 4682 case TOKrparen: | |
| 4683 break; | |
| 4684 | |
| 4685 case TOKdotdotdot: | |
| 4686 t = peek(t); | |
| 4687 break; | |
| 4688 | |
| 4689 case TOKin: | |
| 4690 case TOKout: | |
| 4691 case TOKinout: | |
| 4692 case TOKref: | |
| 4693 case TOKlazy: | |
| 4694 case TOKfinal: | |
| 4695 continue; | |
| 4696 | |
| 4697 case TOKconst: | |
| 4698 case TOKinvariant: | |
| 4699 case TOKimmutable: | |
| 4700 case TOKshared: | |
| 4701 t = peek(t); | |
| 4702 if (t.value == TOKlparen) | |
| 4703 { | |
| 4704 t = peek(t); | |
| 4705 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4706 return false; | |
| 4707 t = peek(t); // skip past closing ')' | |
| 4708 goto L2; | |
| 4709 } | |
| 4710 goto L1; | |
| 4711 | |
| 4712 static if (false) { | |
| 4713 case TOKstatic: | |
| 4714 continue; | |
| 4715 case TOKauto: | |
| 4716 case TOKalias: | |
| 4717 t = peek(t); | |
| 4718 if (t.value == TOKidentifier) | |
| 4719 t = peek(t); | |
| 4720 if (t.value == TOKassign) | |
| 4721 { t = peek(t); | |
| 4722 if (!isExpression(&t)) | |
| 4723 return false; | |
| 4724 } | |
| 4725 goto L3; | |
| 4726 } | |
| 4727 | |
| 4728 default: | |
| 4729 { | |
| 4730 if (!isBasicType(&t)) | |
| 4731 return false; | |
| 4732 L2: | |
| 4733 int tmp = false; | |
| 4734 if (t.value != TOKdotdotdot && | |
| 4735 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4736 return false; | |
| 4737 if (t.value == TOKassign) | |
| 4738 { | |
| 4739 t = peek(t); | |
| 4740 if (!isExpression(&t)) | |
| 4741 return false; | |
| 4742 } | |
| 4743 if (t.value == TOKdotdotdot) | |
| 4744 { | |
| 4745 t = peek(t); | |
| 4746 break; | |
| 4747 } | |
| 4748 } | |
| 4749 L3: | |
| 4750 if (t.value == TOKcomma) | |
| 4751 { | |
| 4752 continue; | |
| 4753 } | |
| 4754 break; | |
| 4755 } | |
| 4756 break; | |
| 4757 } | |
| 4758 | |
| 4759 if (t.value != TOKrparen) | |
| 4760 return false; | |
| 4761 | |
| 4762 t = peek(t); | |
| 4763 *pt = t; | |
| 4764 return true; | |
| 4765 } | |
| 4766 | |
| 4767 bool isExpression(Token** pt) | |
| 4768 { | |
| 4769 // This is supposed to determine if something is an expression. | |
| 4770 // What it actually does is scan until a closing right bracket | |
| 4771 // is found. | |
| 4772 | |
| 4773 Token* t = *pt; | |
| 4774 int brnest = 0; | |
| 4775 int panest = 0; | |
| 4776 int curlynest = 0; | |
| 4777 | |
| 4778 for (;; t = peek(t)) | |
| 4779 { | |
| 4780 switch (t.value) | |
| 4781 { | |
| 4782 case TOKlbracket: | |
| 4783 brnest++; | |
| 4784 continue; | |
| 4785 | |
| 4786 case TOKrbracket: | |
| 4787 if (--brnest >= 0) | |
| 4788 continue; | |
| 4789 break; | |
| 4790 | |
| 4791 case TOKlparen: | |
| 4792 panest++; | |
| 4793 continue; | |
| 4794 | |
| 4795 case TOKcomma: | |
| 4796 if (brnest || panest) | |
| 4797 continue; | |
| 4798 break; | |
| 4799 | |
| 4800 case TOKrparen: | |
| 4801 if (--panest >= 0) | |
| 4802 continue; | |
| 4803 break; | |
| 4804 | |
| 4805 case TOKlcurly: | |
| 4806 curlynest++; | |
| 4807 continue; | |
| 4808 | |
| 4809 case TOKrcurly: | |
| 4810 if (--curlynest >= 0) | |
| 4811 continue; | |
| 4812 return false; | |
| 4813 | |
| 4814 case TOKslice: | |
| 4815 if (brnest) | |
| 4816 continue; | |
| 4817 break; | |
| 4818 | |
| 4819 case TOKsemicolon: | |
| 4820 if (curlynest) | |
| 4821 continue; | |
| 4822 return false; | |
| 4823 | |
| 4824 case TOKeof: | |
| 4825 return false; | |
| 4826 | |
| 4827 default: | |
| 4828 continue; | |
| 4829 } | |
| 4830 break; | |
| 4831 } | |
| 4832 | |
| 4833 *pt = t; | |
| 4834 return true; | |
| 4835 } | |
| 4836 | |
| 4837 int isTemplateInstance(Token t, Token* pt) | |
| 4838 { | |
| 4839 assert(false); | |
| 4840 } | |
| 4841 | |
| 4842 /******************************************* | |
| 4843 * Skip parens, brackets. | |
| 4844 * Input: | |
| 4845 * t is on opening ( | |
| 4846 * Output: | |
| 4847 * *pt is set to closing token, which is ')' on success | |
| 4848 * Returns: | |
| 4849 * !=0 successful | |
| 4850 * 0 some parsing error | |
| 4851 */ | |
| 4852 bool skipParens(Token* t, Token** pt) | |
| 4853 { | |
| 4854 int parens = 0; | |
| 4855 | |
| 4856 while (1) | |
| 4857 { | |
| 4858 switch (t.value) | |
| 4859 { | |
| 4860 case TOKlparen: | |
| 4861 parens++; | |
| 4862 break; | |
| 4863 | |
| 4864 case TOKrparen: | |
| 4865 parens--; | |
| 4866 if (parens < 0) | |
| 4867 goto Lfalse; | |
| 4868 if (parens == 0) | |
| 4869 goto Ldone; | |
| 4870 break; | |
| 4871 | |
| 4872 case TOKeof: | |
| 4873 case TOKsemicolon: | |
| 4874 goto Lfalse; | |
| 4875 | |
| 4876 default: | |
| 4877 break; | |
| 4878 } | |
| 4879 t = peek(t); | |
| 4880 } | |
| 4881 | |
| 4882 Ldone: | |
| 4883 if (*pt) | |
| 4884 *pt = t; | |
| 4885 return true; | |
| 4886 | |
| 4887 Lfalse: | |
| 4888 return false; | |
| 4889 } | |
| 4890 | |
| 4891 Expression parseExpression() | |
| 4892 { | |
| 4893 Expression e; | |
| 4894 Expression e2; | |
| 4895 Loc loc = this.loc; | |
| 4896 | |
| 4897 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4898 e = parseAssignExp(); | |
| 4899 while (token.value == TOK.TOKcomma) | |
| 4900 { | |
| 4901 nextToken(); | |
| 4902 e2 = parseAssignExp(); | |
| 4903 e = new CommaExp(loc, e, e2); | |
| 4904 loc = this.loc; | |
| 4905 } | |
| 4906 return e; | |
| 4907 } | |
| 4908 | |
| 4909 Expression parsePrimaryExp() | |
| 4910 { | |
| 4911 Expression e; | |
| 4912 Type t; | |
| 4913 Identifier id; | |
| 4914 TOK save; | |
| 4915 Loc loc = this.loc; | |
| 4916 | |
| 4917 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4918 switch (token.value) | |
| 4919 { | |
| 4920 case TOK.TOKidentifier: | |
| 4921 id = token.ident; | |
| 4922 nextToken(); | |
| 4923 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4924 { // identifier!(template-argument-list) | |
| 4925 TemplateInstance tempinst; | |
| 4926 | |
| 4927 tempinst = new TemplateInstance(loc, id); | |
| 4928 nextToken(); | |
| 4929 if (token.value == TOK.TOKlparen) | |
| 4930 // ident!(template_arguments) | |
| 4931 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4932 else | |
| 4933 // ident!template_argument | |
| 4934 tempinst.tiargs = parseTemplateArgument(); | |
| 4935 e = new ScopeExp(loc, tempinst); | |
| 4936 } | |
| 4937 else | |
| 4938 e = new IdentifierExp(loc, id); | |
| 4939 break; | |
| 4940 | |
| 4941 case TOK.TOKdollar: | |
| 4942 if (!inBrackets) | |
| 4943 error("'$' is valid only inside [] of index or slice"); | |
| 4944 e = new DollarExp(loc); | |
| 4945 nextToken(); | |
| 4946 break; | |
| 4947 | |
| 4948 case TOK.TOKdot: | |
| 4949 // Signal global scope '.' operator with "" identifier | |
| 4950 e = new IdentifierExp(loc, Id.empty); | |
| 4951 break; | |
| 4952 | |
| 4953 case TOK.TOKthis: | |
| 4954 e = new ThisExp(loc); | |
| 4955 nextToken(); | |
| 4956 break; | |
| 4957 | |
| 4958 case TOK.TOKsuper: | |
| 4959 e = new SuperExp(loc); | |
| 4960 nextToken(); | |
| 4961 break; | |
| 4962 | |
| 4963 case TOK.TOKint32v: | |
| 4964 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4965 nextToken(); | |
| 4966 break; | |
| 4967 | |
| 4968 case TOK.TOKuns32v: | |
| 4969 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4970 nextToken(); | |
| 4971 break; | |
| 4972 | |
| 4973 case TOK.TOKint64v: | |
| 4974 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4975 nextToken(); | |
| 4976 break; | |
| 4977 | |
| 4978 case TOK.TOKuns64v: | |
| 4979 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4980 nextToken(); | |
| 4981 break; | |
| 4982 | |
| 4983 case TOK.TOKfloat32v: | |
| 4984 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4985 nextToken(); | |
| 4986 break; | |
| 4987 | |
| 4988 case TOK.TOKfloat64v: | |
| 4989 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4990 nextToken(); | |
| 4991 break; | |
| 4992 | |
| 4993 case TOK.TOKfloat80v: | |
| 4994 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4995 nextToken(); | |
| 4996 break; | |
| 4997 | |
| 4998 case TOK.TOKimaginary32v: | |
| 4999 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5000 nextToken(); | |
| 5001 break; | |
| 5002 | |
| 5003 case TOK.TOKimaginary64v: | |
| 5004 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5005 nextToken(); | |
| 5006 break; | |
| 5007 | |
| 5008 case TOK.TOKimaginary80v: | |
| 5009 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5010 nextToken(); | |
| 5011 break; | |
| 5012 | |
| 5013 case TOK.TOKnull: | |
| 5014 e = new NullExp(loc); | |
| 5015 nextToken(); | |
| 5016 break; | |
| 5017 | |
| 5018 version (DMDV2) { | |
| 5019 case TOK.TOKfile: | |
| 5020 { | |
| 5021 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5022 e = new StringExp(loc, s, 0); | |
| 5023 nextToken(); | |
| 5024 break; | |
| 5025 } | |
| 5026 | |
| 5027 case TOK.TOKline: | |
| 5028 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5029 nextToken(); | |
| 5030 break; | |
| 5031 } | |
| 5032 | |
| 5033 case TOK.TOKtrue: | |
| 5034 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5035 nextToken(); | |
| 5036 break; | |
| 5037 | |
| 5038 case TOK.TOKfalse: | |
| 5039 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5040 nextToken(); | |
| 5041 break; | |
| 5042 | |
| 5043 case TOK.TOKcharv: | |
| 5044 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5045 nextToken(); | |
| 5046 break; | |
| 5047 | |
| 5048 case TOK.TOKwcharv: | |
| 5049 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5050 nextToken(); | |
| 5051 break; | |
| 5052 | |
| 5053 case TOK.TOKdcharv: | |
| 5054 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5055 nextToken(); | |
| 5056 break; | |
| 5057 | |
| 5058 case TOK.TOKstring: | |
| 5059 { | |
| 5060 const(char)* s; | |
| 5061 uint len; | |
| 5062 ubyte postfix; | |
| 5063 | |
| 5064 // cat adjacent strings | |
| 5065 s = token.ustring; | |
| 5066 len = token.len; | |
| 5067 postfix = token.postfix; | |
| 5068 while (1) | |
| 5069 { | |
| 5070 nextToken(); | |
| 5071 if (token.value == TOK.TOKstring) | |
| 5072 { uint len1; | |
| 5073 uint len2; | |
| 5074 char* s2; | |
| 5075 | |
| 5076 if (token.postfix) | |
| 5077 { if (token.postfix != postfix) | |
| 5078 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5079 postfix = token.postfix; | |
| 5080 } | |
| 5081 | |
| 5082 len1 = len; | |
| 5083 len2 = token.len; | |
| 5084 len = len1 + len2; | |
| 2 | 5085 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5086 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5087 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5088 s = s2; | |
| 5089 } | |
| 5090 else | |
| 5091 break; | |
| 5092 } | |
| 5093 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5094 break; | |
| 5095 } | |
| 5096 | |
| 5097 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5098 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5099 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5100 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5101 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5102 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5103 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5104 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5105 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5106 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5107 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5108 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5109 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5110 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5111 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5112 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5113 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5114 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5115 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5116 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5117 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5118 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5119 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5120 LabelX: | |
| 5121 nextToken(); | |
| 5122 L1: | |
| 5123 check(TOK.TOKdot, t.toChars()); | |
| 5124 if (token.value != TOK.TOKidentifier) | |
| 5125 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5126 goto Lerr; | |
| 5127 } | |
| 5128 e = typeDotIdExp(loc, t, token.ident); | |
| 5129 nextToken(); | |
| 5130 break; | |
| 5131 | |
| 5132 case TOK.TOKtypeof: | |
| 5133 { | |
| 5134 t = parseTypeof(); | |
| 5135 e = new TypeExp(loc, t); | |
| 5136 break; | |
| 5137 } | |
| 5138 | |
| 5139 case TOK.TOKtypeid: | |
| 5140 { Type tt; | |
| 5141 | |
| 5142 nextToken(); | |
| 5143 check(TOK.TOKlparen, "typeid"); | |
| 5144 tt = parseType(); // ( type ) | |
| 5145 check(TOK.TOKrparen); | |
| 5146 e = new TypeidExp(loc, tt); | |
| 5147 break; | |
| 5148 } | |
| 5149 | |
| 5150 version (DMDV2) { | |
| 5151 case TOK.TOKtraits: | |
| 5152 { /* __traits(identifier, args...) | |
| 5153 */ | |
| 5154 Identifier ident; | |
| 5155 Objects args = null; | |
| 5156 | |
| 5157 nextToken(); | |
| 5158 check(TOK.TOKlparen); | |
| 5159 if (token.value != TOK.TOKidentifier) | |
| 5160 { error("__traits(identifier, args...) expected"); | |
| 5161 goto Lerr; | |
| 5162 } | |
| 5163 ident = token.ident; | |
| 5164 nextToken(); | |
| 5165 if (token.value == TOK.TOKcomma) | |
| 5166 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5167 else | |
| 5168 check(TOK.TOKrparen); // __traits(identifier) | |
| 5169 | |
| 5170 e = new TraitsExp(loc, ident, args); | |
| 5171 break; | |
| 5172 } | |
| 5173 } | |
| 5174 | |
| 5175 case TOK.TOKis: | |
| 5176 { Type targ; | |
| 5177 Identifier ident = null; | |
| 5178 Type tspec = null; | |
| 5179 TOK tok = TOK.TOKreserved; | |
| 5180 TOK tok2 = TOK.TOKreserved; | |
| 5181 TemplateParameters tpl = null; | |
| 5182 Loc loc2 = this.loc; | |
| 5183 | |
| 5184 nextToken(); | |
| 5185 if (token.value == TOK.TOKlparen) | |
| 5186 { | |
| 5187 nextToken(); | |
| 5188 targ = parseType(&ident); | |
| 5189 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5190 { | |
| 5191 tok = token.value; | |
| 5192 nextToken(); | |
| 5193 if (tok == TOK.TOKequal && | |
| 5194 (token.value == TOK.TOKtypedef || | |
| 5195 token.value == TOK.TOKstruct || | |
| 5196 token.value == TOK.TOKunion || | |
| 5197 token.value == TOK.TOKclass || | |
| 5198 token.value == TOK.TOKsuper || | |
| 5199 token.value == TOK.TOKenum || | |
| 5200 token.value == TOK.TOKinterface || | |
| 5201 ///version (DMDV2) { | |
| 5202 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5203 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5204 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5205 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5206 ///} | |
| 5207 token.value == TOK.TOKfunction || | |
| 5208 token.value == TOK.TOKdelegate || | |
| 5209 token.value == TOK.TOKreturn)) | |
| 5210 { | |
| 5211 tok2 = token.value; | |
| 5212 nextToken(); | |
| 5213 } | |
| 5214 else | |
| 5215 { | |
| 5216 tspec = parseType(); | |
| 5217 } | |
| 5218 } | |
| 5219 if (ident && tspec) | |
| 5220 { | |
| 5221 if (token.value == TOK.TOKcomma) | |
| 5222 tpl = parseTemplateParameterList(1); | |
| 5223 else | |
| 5224 { tpl = new TemplateParameters(); | |
| 5225 check(TOK.TOKrparen); | |
| 5226 } | |
| 5227 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
5228 tpl.insert(0, tp); |
| 0 | 5229 } |
| 5230 else | |
| 5231 check(TOK.TOKrparen); | |
| 5232 } | |
| 5233 else | |
| 5234 { error("(type identifier : specialization) expected following is"); | |
| 5235 goto Lerr; | |
| 5236 } | |
| 5237 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5238 break; | |
| 5239 } | |
| 5240 | |
| 5241 case TOK.TOKassert: | |
| 5242 { | |
| 5243 Expression msg = null; | |
| 5244 | |
| 5245 nextToken(); | |
| 5246 check(TOK.TOKlparen, "assert"); | |
| 5247 e = parseAssignExp(); | |
| 5248 if (token.value == TOK.TOKcomma) | |
| 5249 { nextToken(); | |
| 5250 msg = parseAssignExp(); | |
| 5251 } | |
| 5252 check(TOK.TOKrparen); | |
| 5253 e = new AssertExp(loc, e, msg); | |
| 5254 break; | |
| 5255 } | |
| 5256 | |
| 5257 case TOK.TOKmixin: | |
| 5258 { | |
| 5259 nextToken(); | |
| 5260 check(TOK.TOKlparen, "mixin"); | |
| 5261 e = parseAssignExp(); | |
| 5262 check(TOK.TOKrparen); | |
| 5263 e = new CompileExp(loc, e); | |
| 5264 break; | |
| 5265 } | |
| 5266 | |
| 5267 case TOK.TOKimport: | |
| 5268 { | |
| 5269 nextToken(); | |
| 5270 check(TOK.TOKlparen, "import"); | |
| 5271 e = parseAssignExp(); | |
| 5272 check(TOK.TOKrparen); | |
| 5273 e = new FileExp(loc, e); | |
| 5274 break; | |
| 5275 } | |
| 5276 | |
| 5277 case TOK.TOKlparen: | |
| 5278 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5279 { // (arguments) { statements... } | |
| 5280 save = TOK.TOKdelegate; | |
| 5281 goto case_delegate; | |
| 5282 } | |
| 5283 // ( expression ) | |
| 5284 nextToken(); | |
| 5285 e = parseExpression(); | |
| 5286 check(loc, TOK.TOKrparen); | |
| 5287 break; | |
| 5288 | |
| 5289 case TOK.TOKlbracket: | |
| 5290 { /* Parse array literals and associative array literals: | |
| 5291 * [ value, value, value ... ] | |
| 5292 * [ key:value, key:value, key:value ... ] | |
| 5293 */ | |
| 5294 Expressions values = new Expressions(); | |
| 5295 Expressions keys = null; | |
| 5296 | |
| 5297 nextToken(); | |
| 5298 if (token.value != TOK.TOKrbracket) | |
| 5299 { | |
| 5300 while (token.value != TOK.TOKeof) | |
| 5301 { | |
| 5302 Expression e2 = parseAssignExp(); | |
| 5303 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5304 { | |
| 5305 nextToken(); | |
| 5306 if (!keys) | |
| 5307 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5308 keys.push(e2); |
| 0 | 5309 e2 = parseAssignExp(); |
| 5310 } | |
| 5311 else if (keys) | |
| 5312 { | |
| 5313 error("'key:value' expected for associative array literal"); | |
| 5314 delete keys; | |
| 5315 keys = null; | |
| 5316 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5317 values.push(e2); |
| 0 | 5318 if (token.value == TOK.TOKrbracket) |
| 5319 break; | |
| 5320 check(TOK.TOKcomma); | |
| 5321 } | |
| 5322 } | |
| 5323 check(TOK.TOKrbracket); | |
| 5324 | |
| 5325 if (keys) | |
| 5326 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5327 else | |
| 5328 e = new ArrayLiteralExp(loc, values); | |
| 5329 break; | |
| 5330 } | |
| 5331 | |
| 5332 case TOK.TOKlcurly: | |
| 5333 // { statements... } | |
| 5334 save = TOK.TOKdelegate; | |
| 5335 goto case_delegate; | |
| 5336 | |
| 5337 case TOK.TOKfunction: | |
| 5338 case TOK.TOKdelegate: | |
| 5339 save = token.value; | |
| 5340 nextToken(); | |
| 5341 case_delegate: | |
| 5342 { | |
| 5343 /* function type(parameters) { body } pure nothrow | |
| 5344 * delegate type(parameters) { body } pure nothrow | |
| 5345 * (parameters) { body } | |
| 5346 * { body } | |
| 5347 */ | |
| 5348 Arguments arguments; | |
| 5349 int varargs; | |
| 5350 FuncLiteralDeclaration fd; | |
| 5351 Type tt; | |
| 5352 bool isnothrow = false; | |
| 5353 bool ispure = false; | |
| 5354 | |
| 5355 if (token.value == TOK.TOKlcurly) | |
| 5356 { | |
| 5357 tt = null; | |
| 5358 varargs = 0; | |
| 5359 arguments = new Arguments(); | |
| 5360 } | |
| 5361 else | |
| 5362 { | |
| 5363 if (token.value == TOK.TOKlparen) | |
| 5364 tt = null; | |
| 5365 else | |
| 5366 { | |
| 5367 tt = parseBasicType(); | |
| 5368 tt = parseBasicType2(tt); // function return type | |
| 5369 } | |
| 5370 arguments = parseParameters(&varargs); | |
| 5371 while (1) | |
| 5372 { | |
| 5373 if (token.value == TOK.TOKpure) | |
| 5374 ispure = true; | |
| 5375 else if (token.value == TOK.TOKnothrow) | |
| 5376 isnothrow = true; | |
| 5377 else | |
| 5378 break; | |
| 5379 nextToken(); | |
| 5380 } | |
| 5381 } | |
| 5382 | |
| 5383 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5384 tf.ispure = ispure; | |
| 5385 tf.isnothrow = isnothrow; | |
| 5386 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5387 parseContracts(fd); | |
| 5388 e = new FuncExp(loc, fd); | |
| 5389 break; | |
| 5390 } | |
| 5391 | |
| 5392 default: | |
| 5393 error("expression expected, not '%s'", token.toChars()); | |
| 5394 Lerr: | |
| 5395 // Anything for e, as long as it's not null | |
| 5396 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5397 nextToken(); | |
| 5398 break; | |
| 5399 } | |
| 5400 return e; | |
| 5401 } | |
| 5402 | |
| 5403 Expression parseUnaryExp() | |
| 5404 { | |
| 5405 Expression e; | |
| 5406 Loc loc = this.loc; | |
| 5407 | |
| 5408 switch (token.value) | |
| 5409 { | |
| 5410 case TOK.TOKand: | |
| 5411 nextToken(); | |
| 5412 e = parseUnaryExp(); | |
| 5413 e = new AddrExp(loc, e); | |
| 5414 break; | |
| 5415 | |
| 5416 case TOK.TOKplusplus: | |
| 5417 nextToken(); | |
| 5418 e = parseUnaryExp(); | |
| 5419 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5420 break; | |
| 5421 | |
| 5422 case TOK.TOKminusminus: | |
| 5423 nextToken(); | |
| 5424 e = parseUnaryExp(); | |
| 5425 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5426 break; | |
| 5427 | |
| 5428 case TOK.TOKmul: | |
| 5429 nextToken(); | |
| 5430 e = parseUnaryExp(); | |
| 5431 e = new PtrExp(loc, e); | |
| 5432 break; | |
| 5433 | |
| 5434 case TOK.TOKmin: | |
| 5435 nextToken(); | |
| 5436 e = parseUnaryExp(); | |
| 5437 e = new NegExp(loc, e); | |
| 5438 break; | |
| 5439 | |
| 5440 case TOK.TOKadd: | |
| 5441 nextToken(); | |
| 5442 e = parseUnaryExp(); | |
| 5443 e = new UAddExp(loc, e); | |
| 5444 break; | |
| 5445 | |
| 5446 case TOK.TOKnot: | |
| 5447 nextToken(); | |
| 5448 e = parseUnaryExp(); | |
| 5449 e = new NotExp(loc, e); | |
| 5450 break; | |
| 5451 | |
| 5452 case TOK.TOKtilde: | |
| 5453 nextToken(); | |
| 5454 e = parseUnaryExp(); | |
| 5455 e = new ComExp(loc, e); | |
| 5456 break; | |
| 5457 | |
| 5458 case TOK.TOKdelete: | |
| 5459 nextToken(); | |
| 5460 e = parseUnaryExp(); | |
| 5461 e = new DeleteExp(loc, e); | |
| 5462 break; | |
| 5463 | |
| 5464 case TOK.TOKnew: | |
| 5465 e = parseNewExp(null); | |
| 5466 break; | |
| 5467 | |
| 5468 case TOK.TOKcast: // cast(type) expression | |
| 5469 { | |
| 5470 nextToken(); | |
| 5471 check(TOK.TOKlparen); | |
| 5472 /* Look for cast(), cast(const), cast(immutable), | |
| 5473 * cast(shared), cast(shared const) | |
| 5474 */ | |
| 5475 MOD m; | |
| 5476 if (token.value == TOK.TOKrparen) | |
| 5477 { | |
| 5478 m = MOD.MODundefined; | |
| 5479 goto Lmod1; | |
| 5480 } | |
| 5481 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5482 { | |
| 5483 m = MOD.MODconst; | |
| 5484 goto Lmod2; | |
| 5485 } | |
| 5486 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5487 { | |
| 5488 m = MOD.MODinvariant; | |
| 5489 goto Lmod2; | |
| 5490 } | |
| 5491 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5492 { | |
| 5493 m = MOD.MODshared; | |
| 5494 goto Lmod2; | |
| 5495 } | |
| 5496 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5497 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5498 { | |
| 5499 m = MOD.MODshared | MOD.MODconst; | |
| 5500 nextToken(); | |
| 5501 Lmod2: | |
| 5502 nextToken(); | |
| 5503 Lmod1: | |
| 5504 nextToken(); | |
| 5505 e = parseUnaryExp(); | |
| 5506 e = new CastExp(loc, e, m); | |
| 5507 } | |
| 5508 else | |
| 5509 { | |
| 5510 Type t = parseType(); // ( type ) | |
| 5511 check(TOK.TOKrparen); | |
| 5512 e = parseUnaryExp(); | |
| 5513 e = new CastExp(loc, e, t); | |
| 5514 } | |
| 5515 break; | |
| 5516 } | |
| 5517 | |
| 5518 case TOK.TOKlparen: | |
| 5519 { Token *tk; | |
| 5520 | |
| 5521 tk = peek(&token); | |
| 5522 version (CCASTSYNTAX) { | |
| 5523 // If cast | |
| 5524 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5525 { | |
| 5526 tk = peek(tk); // skip over right parenthesis | |
| 5527 switch (tk.value) | |
| 5528 { | |
| 5529 case TOK.TOKnot: | |
| 5530 tk = peek(tk); | |
| 5531 if (tk.value == TOK.TOKis) // !is | |
| 5532 break; | |
| 5533 case TOK.TOKdot: | |
| 5534 case TOK.TOKplusplus: | |
| 5535 case TOK.TOKminusminus: | |
| 5536 case TOK.TOKdelete: | |
| 5537 case TOK.TOKnew: | |
| 5538 case TOK.TOKlparen: | |
| 5539 case TOK.TOKidentifier: | |
| 5540 case TOK.TOKthis: | |
| 5541 case TOK.TOKsuper: | |
| 5542 case TOK.TOKint32v: | |
| 5543 case TOK.TOKuns32v: | |
| 5544 case TOK.TOKint64v: | |
| 5545 case TOK.TOKuns64v: | |
| 5546 case TOK.TOKfloat32v: | |
| 5547 case TOK.TOKfloat64v: | |
| 5548 case TOK.TOKfloat80v: | |
| 5549 case TOK.TOKimaginary32v: | |
| 5550 case TOK.TOKimaginary64v: | |
| 5551 case TOK.TOKimaginary80v: | |
| 5552 case TOK.TOKnull: | |
| 5553 case TOK.TOKtrue: | |
| 5554 case TOK.TOKfalse: | |
| 5555 case TOK.TOKcharv: | |
| 5556 case TOK.TOKwcharv: | |
| 5557 case TOK.TOKdcharv: | |
| 5558 case TOK.TOKstring: | |
| 5559 static if (false) { | |
| 5560 case TOK.TOKtilde: | |
| 5561 case TOK.TOKand: | |
| 5562 case TOK.TOKmul: | |
| 5563 case TOK.TOKmin: | |
| 5564 case TOK.TOKadd: | |
| 5565 } | |
| 5566 case TOK.TOKfunction: | |
| 5567 case TOK.TOKdelegate: | |
| 5568 case TOK.TOKtypeof: | |
| 5569 version (DMDV2) { | |
| 5570 case TOK.TOKfile: | |
| 5571 case TOK.TOKline: | |
| 5572 } | |
| 5573 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5574 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5575 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5576 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5577 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5578 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5579 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5580 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5581 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5582 case TOK.TOKvoid: // (type)int.size | |
| 5583 { | |
| 5584 // (type) una_exp | |
| 5585 nextToken(); | |
| 5586 Type t = parseType(); | |
| 5587 check(TOK.TOKrparen); | |
| 5588 | |
| 5589 // if .identifier | |
| 5590 if (token.value == TOK.TOKdot) | |
| 5591 { | |
| 5592 nextToken(); | |
| 5593 if (token.value != TOK.TOKidentifier) | |
| 5594 { | |
| 5595 error("Identifier expected following (type)."); | |
| 5596 return null; | |
| 5597 } | |
| 5598 e = typeDotIdExp(loc, t, token.ident); | |
| 5599 nextToken(); | |
| 5600 e = parsePostExp(e); | |
| 5601 } | |
| 5602 else | |
| 5603 { | |
| 5604 e = parseUnaryExp(); | |
| 5605 e = new CastExp(loc, e, t); | |
| 5606 error("C style cast illegal, use %s", e.toChars()); | |
| 5607 } | |
| 5608 return e; | |
| 5609 } | |
| 5610 | |
| 5611 default: | |
| 5612 break; /// | |
| 5613 } | |
| 5614 } | |
| 5615 } | |
| 5616 e = parsePrimaryExp(); | |
| 5617 e = parsePostExp(e); | |
| 5618 break; | |
| 5619 } | |
| 5620 default: | |
| 5621 e = parsePrimaryExp(); | |
| 5622 e = parsePostExp(e); | |
| 5623 break; | |
| 5624 } | |
| 5625 assert(e); | |
| 5626 return e; | |
| 5627 } | |
| 5628 | |
| 5629 Expression parsePostExp(Expression e) | |
| 5630 { | |
| 5631 Loc loc; | |
| 5632 | |
| 5633 while (1) | |
| 5634 { | |
| 5635 loc = this.loc; | |
| 5636 switch (token.value) | |
| 5637 { | |
| 5638 case TOK.TOKdot: | |
| 5639 nextToken(); | |
| 5640 if (token.value == TOK.TOKidentifier) | |
| 5641 { Identifier id = token.ident; | |
| 5642 | |
| 5643 nextToken(); | |
| 5644 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5645 { // identifier!(template-argument-list) | |
| 5646 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5647 nextToken(); | |
| 5648 if (token.value == TOK.TOKlparen) | |
| 5649 // ident!(template_arguments) | |
| 5650 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5651 else | |
| 5652 // ident!template_argument | |
| 5653 tempinst.tiargs = parseTemplateArgument(); | |
| 5654 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5655 } | |
| 5656 else | |
| 5657 e = new DotIdExp(loc, e, id); | |
| 5658 continue; | |
| 5659 } | |
| 5660 else if (token.value == TOK.TOKnew) | |
| 5661 { | |
| 5662 e = parseNewExp(e); | |
| 5663 continue; | |
| 5664 } | |
| 5665 else | |
| 5666 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5667 break; | |
| 5668 | |
| 5669 case TOK.TOKplusplus: | |
| 5670 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5671 break; | |
| 5672 | |
| 5673 case TOK.TOKminusminus: | |
| 5674 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5675 break; | |
| 5676 | |
| 5677 case TOK.TOKlparen: | |
| 5678 e = new CallExp(loc, e, parseArguments()); | |
| 5679 continue; | |
| 5680 | |
| 5681 case TOK.TOKlbracket: | |
| 5682 { // array dereferences: | |
| 5683 // array[index] | |
| 5684 // array[] | |
| 5685 // array[lwr .. upr] | |
| 5686 Expression index; | |
| 5687 Expression upr; | |
| 5688 | |
| 5689 inBrackets++; | |
| 5690 nextToken(); | |
| 5691 if (token.value == TOK.TOKrbracket) | |
| 5692 { // array[] | |
| 5693 e = new SliceExp(loc, e, null, null); | |
| 5694 nextToken(); | |
| 5695 } | |
| 5696 else | |
| 5697 { | |
| 5698 index = parseAssignExp(); | |
| 5699 if (token.value == TOK.TOKslice) | |
| 5700 { // array[lwr .. upr] | |
| 5701 nextToken(); | |
| 5702 upr = parseAssignExp(); | |
| 5703 e = new SliceExp(loc, e, index, upr); | |
| 5704 } | |
| 5705 else | |
| 5706 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5707 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5708 arguments.push(index); |
| 0 | 5709 if (token.value == TOK.TOKcomma) |
| 5710 { | |
| 5711 nextToken(); | |
| 5712 while (1) | |
| 5713 { Expression arg; | |
| 5714 | |
| 5715 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5716 arguments.push(arg); |
| 0 | 5717 if (token.value == TOK.TOKrbracket) |
| 5718 break; | |
| 5719 check(TOK.TOKcomma); | |
| 5720 } | |
| 5721 } | |
| 5722 e = new ArrayExp(loc, e, arguments); | |
| 5723 } | |
| 5724 check(TOK.TOKrbracket); | |
| 5725 inBrackets--; | |
| 5726 } | |
| 5727 continue; | |
| 5728 } | |
| 5729 | |
| 5730 default: | |
| 5731 return e; | |
| 5732 } | |
| 5733 nextToken(); | |
| 5734 } | |
| 5735 | |
| 5736 assert(false); | |
| 5737 } | |
| 5738 | |
| 5739 Expression parseMulExp() | |
| 5740 { | |
| 5741 Expression e; | |
| 5742 Expression e2; | |
| 5743 Loc loc = this.loc; | |
| 5744 | |
| 5745 e = parseUnaryExp(); | |
| 5746 while (1) | |
| 5747 { | |
| 5748 switch (token.value) | |
| 5749 { | |
| 5750 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5751 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5752 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5753 | |
| 5754 default: | |
| 5755 break; | |
| 5756 } | |
| 5757 break; | |
| 5758 } | |
| 5759 return e; | |
| 5760 } | |
| 5761 | |
| 5762 Expression parseShiftExp() | |
| 5763 { | |
| 5764 Expression e; | |
| 5765 Expression e2; | |
| 5766 Loc loc = this.loc; | |
| 5767 | |
| 5768 e = parseAddExp(); | |
| 5769 while (1) | |
| 5770 { | |
| 5771 switch (token.value) | |
| 5772 { | |
| 5773 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5774 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5775 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5776 | |
| 5777 default: | |
| 5778 break; | |
| 5779 } | |
| 5780 break; | |
| 5781 } | |
| 5782 return e; | |
| 5783 } | |
| 5784 | |
| 5785 Expression parseAddExp() | |
| 5786 { | |
| 5787 Expression e; | |
| 5788 Expression e2; | |
| 5789 Loc loc = this.loc; | |
| 5790 | |
| 5791 e = parseMulExp(); | |
| 5792 while (1) | |
| 5793 { | |
| 5794 switch (token.value) | |
| 5795 { | |
| 5796 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5797 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5798 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5799 | |
| 5800 default: | |
| 5801 break; | |
| 5802 } | |
| 5803 break; | |
| 5804 } | |
| 5805 return e; | |
| 5806 } | |
| 5807 | |
| 5808 Expression parseRelExp() | |
| 5809 { | |
| 5810 assert(false); | |
| 5811 } | |
| 5812 | |
| 5813 Expression parseEqualExp() | |
| 5814 { | |
| 5815 assert(false); | |
| 5816 } | |
| 5817 | |
| 5818 Expression parseCmpExp() | |
| 5819 { | |
| 5820 Expression e; | |
| 5821 Expression e2; | |
| 5822 Token* t; | |
| 5823 Loc loc = this.loc; | |
| 5824 | |
| 5825 e = parseShiftExp(); | |
| 5826 TOK op = token.value; | |
| 5827 | |
| 5828 switch (op) | |
| 5829 { | |
| 5830 case TOK.TOKequal: | |
| 5831 case TOK.TOKnotequal: | |
| 5832 nextToken(); | |
| 5833 e2 = parseShiftExp(); | |
| 5834 e = new EqualExp(op, loc, e, e2); | |
| 5835 break; | |
| 5836 | |
| 5837 case TOK.TOKis: | |
| 5838 op = TOK.TOKidentity; | |
| 5839 goto L1; | |
| 5840 | |
| 5841 case TOK.TOKnot: | |
| 5842 // Attempt to identify '!is' | |
| 5843 t = peek(&token); | |
| 5844 if (t.value != TOK.TOKis) | |
| 5845 break; | |
| 5846 nextToken(); | |
| 5847 op = TOK.TOKnotidentity; | |
| 5848 goto L1; | |
| 5849 | |
| 5850 L1: | |
| 5851 nextToken(); | |
| 5852 e2 = parseShiftExp(); | |
| 5853 e = new IdentityExp(op, loc, e, e2); | |
| 5854 break; | |
| 5855 | |
| 5856 case TOK.TOKlt: | |
| 5857 case TOK.TOKle: | |
| 5858 case TOK.TOKgt: | |
| 5859 case TOK.TOKge: | |
| 5860 case TOK.TOKunord: | |
| 5861 case TOK.TOKlg: | |
| 5862 case TOK.TOKleg: | |
| 5863 case TOK.TOKule: | |
| 5864 case TOK.TOKul: | |
| 5865 case TOK.TOKuge: | |
| 5866 case TOK.TOKug: | |
| 5867 case TOK.TOKue: | |
| 5868 nextToken(); | |
| 5869 e2 = parseShiftExp(); | |
| 5870 e = new CmpExp(op, loc, e, e2); | |
| 5871 break; | |
| 5872 | |
| 5873 case TOK.TOKin: | |
| 5874 nextToken(); | |
| 5875 e2 = parseShiftExp(); | |
| 5876 e = new InExp(loc, e, e2); | |
| 5877 break; | |
| 5878 | |
| 5879 default: | |
| 5880 break; | |
| 5881 } | |
| 5882 return e; | |
| 5883 } | |
| 5884 | |
| 5885 Expression parseAndExp() | |
| 5886 { | |
| 5887 Expression e; | |
| 5888 Expression e2; | |
| 5889 Loc loc = this.loc; | |
| 5890 | |
| 5891 if (global.params.Dversion == 1) | |
| 5892 { | |
| 5893 e = parseEqualExp(); | |
| 5894 while (token.value == TOK.TOKand) | |
| 5895 { | |
| 5896 nextToken(); | |
| 5897 e2 = parseEqualExp(); | |
| 5898 e = new AndExp(loc,e,e2); | |
| 5899 loc = this.loc; | |
| 5900 } | |
| 5901 } | |
| 5902 else | |
| 5903 { | |
| 5904 e = parseCmpExp(); | |
| 5905 while (token.value == TOK.TOKand) | |
| 5906 { | |
| 5907 nextToken(); | |
| 5908 e2 = parseCmpExp(); | |
| 5909 e = new AndExp(loc,e,e2); | |
| 5910 loc = this.loc; | |
| 5911 } | |
| 5912 } | |
| 5913 return e; | |
| 5914 } | |
| 5915 | |
| 5916 Expression parseXorExp() | |
| 5917 { | |
| 5918 Expression e; | |
| 5919 Expression e2; | |
| 5920 Loc loc = this.loc; | |
| 5921 | |
| 5922 e = parseAndExp(); | |
| 5923 while (token.value == TOK.TOKxor) | |
| 5924 { | |
| 5925 nextToken(); | |
| 5926 e2 = parseAndExp(); | |
| 5927 e = new XorExp(loc, e, e2); | |
| 5928 } | |
| 5929 | |
| 5930 return e; | |
| 5931 } | |
| 5932 | |
| 5933 Expression parseOrExp() | |
| 5934 { | |
| 5935 Expression e; | |
| 5936 Expression e2; | |
| 5937 Loc loc = this.loc; | |
| 5938 | |
| 5939 e = parseXorExp(); | |
| 5940 while (token.value == TOK.TOKor) | |
| 5941 { | |
| 5942 nextToken(); | |
| 5943 e2 = parseXorExp(); | |
| 5944 e = new OrExp(loc, e, e2); | |
| 5945 } | |
| 5946 return e; | |
| 5947 } | |
| 5948 | |
| 5949 Expression parseAndAndExp() | |
| 5950 { | |
| 5951 Expression e; | |
| 5952 Expression e2; | |
| 5953 Loc loc = this.loc; | |
| 5954 | |
| 5955 e = parseOrExp(); | |
| 5956 while (token.value == TOK.TOKandand) | |
| 5957 { | |
| 5958 nextToken(); | |
| 5959 e2 = parseOrExp(); | |
| 5960 e = new AndAndExp(loc, e, e2); | |
| 5961 } | |
| 5962 return e; | |
| 5963 } | |
| 5964 | |
| 5965 Expression parseOrOrExp() | |
| 5966 { | |
| 5967 Expression e; | |
| 5968 Expression e2; | |
| 5969 Loc loc = this.loc; | |
| 5970 | |
| 5971 e = parseAndAndExp(); | |
| 5972 while (token.value == TOK.TOKoror) | |
| 5973 { | |
| 5974 nextToken(); | |
| 5975 e2 = parseAndAndExp(); | |
| 5976 e = new OrOrExp(loc, e, e2); | |
| 5977 } | |
| 5978 | |
| 5979 return e; | |
| 5980 } | |
| 5981 | |
| 5982 Expression parseCondExp() | |
| 5983 { | |
| 5984 Expression e; | |
| 5985 Expression e1; | |
| 5986 Expression e2; | |
| 5987 Loc loc = this.loc; | |
| 5988 | |
| 5989 e = parseOrOrExp(); | |
| 5990 if (token.value == TOK.TOKquestion) | |
| 5991 { | |
| 5992 nextToken(); | |
| 5993 e1 = parseExpression(); | |
| 5994 check(TOK.TOKcolon); | |
| 5995 e2 = parseCondExp(); | |
| 5996 e = new CondExp(loc, e, e1, e2); | |
| 5997 } | |
| 5998 return e; | |
| 5999 } | |
| 6000 | |
| 6001 Expression parseAssignExp() | |
| 6002 { | |
| 6003 Expression e; | |
| 6004 Expression e2; | |
| 6005 Loc loc; | |
| 6006 | |
| 6007 e = parseCondExp(); | |
| 6008 while (1) | |
| 6009 { | |
| 6010 loc = this.loc; | |
| 6011 switch (token.value) | |
| 6012 { | |
| 6013 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6014 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6015 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6016 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6017 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6018 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 6019 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 6020 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6021 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6022 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6023 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6024 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6025 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6026 | |
| 6027 default: | |
| 6028 break; | |
| 6029 } | |
| 6030 break; | |
| 6031 } | |
| 6032 | |
| 6033 return e; | |
| 6034 } | |
| 6035 | |
| 6036 /************************* | |
| 6037 * Collect argument list. | |
| 6038 * Assume current token is ',', '(' or '['. | |
| 6039 */ | |
| 6040 Expressions parseArguments() | |
| 6041 { | |
| 6042 // function call | |
| 6043 Expressions arguments = new Expressions(); | |
| 6044 Expression arg; | |
| 6045 TOK endtok; | |
| 6046 | |
| 6047 if (token.value == TOK.TOKlbracket) | |
| 6048 endtok = TOK.TOKrbracket; | |
| 6049 else | |
| 6050 endtok = TOK.TOKrparen; | |
| 6051 | |
| 6052 { | |
| 6053 nextToken(); | |
| 6054 if (token.value != endtok) | |
| 6055 { | |
| 6056 while (1) | |
| 6057 { | |
| 6058 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6059 arguments.push(arg); |
| 0 | 6060 if (token.value == endtok) |
| 6061 break; | |
| 6062 check(TOK.TOKcomma); | |
| 6063 } | |
| 6064 } | |
| 6065 check(endtok); | |
| 6066 } | |
| 6067 return arguments; | |
| 6068 } | |
| 6069 | |
| 6070 Expression parseNewExp(Expression thisexp) | |
| 6071 { | |
| 6072 Type t; | |
| 6073 Expressions newargs; | |
| 6074 Expressions arguments = null; | |
| 6075 Expression e; | |
| 6076 Loc loc = this.loc; | |
| 6077 | |
| 6078 nextToken(); | |
| 6079 newargs = null; | |
| 6080 if (token.value == TOKlparen) | |
| 6081 { | |
| 6082 newargs = parseArguments(); | |
| 6083 } | |
| 6084 | |
| 6085 // An anonymous nested class starts with "class" | |
| 6086 if (token.value == TOKclass) | |
| 6087 { | |
| 6088 nextToken(); | |
| 6089 if (token.value == TOKlparen) | |
| 6090 arguments = parseArguments(); | |
| 6091 | |
| 6092 BaseClasses baseclasses = null; | |
| 6093 if (token.value != TOKlcurly) | |
| 6094 baseclasses = parseBaseClasses(); | |
| 6095 | |
| 6096 Identifier id = null; | |
| 6097 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6098 | |
| 6099 if (token.value != TOKlcurly) | |
| 6100 { | |
| 6101 error("{ members } expected for anonymous class"); | |
| 6102 cd.members = null; | |
| 6103 } | |
| 6104 else | |
| 6105 { | |
| 6106 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6107 auto decl = parseDeclDefs(0); |
| 0 | 6108 if (token.value != TOKrcurly) |
| 6109 error("class member expected"); | |
| 6110 nextToken(); | |
| 6111 cd.members = decl; | |
| 6112 } | |
| 6113 | |
| 6114 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6115 | |
| 6116 return e; | |
| 6117 } | |
| 6118 | |
| 6119 t = parseBasicType(); | |
| 6120 t = parseBasicType2(t); | |
| 6121 if (t.ty == Taarray) | |
| 6122 { | |
| 6123 TypeAArray taa = cast(TypeAArray)t; | |
| 6124 Type index = taa.index; | |
| 6125 | |
| 6126 Expression e2 = index.toExpression(); | |
| 6127 if (e2) | |
| 6128 { | |
| 6129 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6130 arguments.push(e2); |
| 0 | 6131 t = new TypeDArray(taa.next); |
| 6132 } | |
| 6133 else | |
| 6134 { | |
| 6135 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6136 return new NullExp(loc); | |
| 6137 } | |
| 6138 } | |
| 6139 else if (t.ty == Tsarray) | |
| 6140 { | |
| 6141 TypeSArray tsa = cast(TypeSArray)t; | |
| 6142 Expression ee = tsa.dim; | |
| 6143 | |
| 6144 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6145 arguments.push(ee); |
| 0 | 6146 t = new TypeDArray(tsa.next); |
| 6147 } | |
| 6148 else if (token.value == TOKlparen) | |
| 6149 { | |
| 6150 arguments = parseArguments(); | |
| 6151 } | |
| 6152 | |
| 6153 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6154 return e; | |
| 6155 } | |
| 6156 | |
| 79 | 6157 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6158 { |
| 6159 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6160 token.lineComment = null; | |
| 6161 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6162 } |