Mercurial > projects > ddmd
annotate dmd/Parser.d @ 114:e28b18c23469
added a module dmd.common for commonly used stuff
it currently holds code for consistency checking of predefined versions
also added a VisualD project file
| author | Trass3r |
|---|---|
| date | Wed, 01 Sep 2010 18:21:58 +0200 |
| parents | 12c0c84d13fd |
| children | 347de076ad34 |
| 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
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
229 typeof(return) decldefs; |
| 0 | 230 |
| 231 // ModuleDeclation leads off | |
| 232 if (token.value == TOK.TOKmodule) | |
| 233 { | |
| 79 | 234 string comment = token.blockComment; |
| 0 | 235 bool safe = false; |
| 236 | |
| 237 nextToken(); | |
| 238 version (DMDV2) { | |
| 239 if (token.value == TOK.TOKlparen) | |
| 240 { | |
| 241 nextToken(); | |
| 242 if (token.value != TOK.TOKidentifier) | |
| 243 { | |
| 244 error("module (system) identifier expected"); | |
| 245 goto Lerr; | |
| 246 } | |
| 247 Identifier id = token.ident; | |
| 248 | |
| 249 if (id is Id.system) | |
| 250 safe = true; | |
| 251 else | |
| 252 error("(safe) expected, not %s", id.toChars()); | |
| 253 nextToken(); | |
| 254 check(TOK.TOKrparen); | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 if (token.value != TOK.TOKidentifier) | |
| 259 { | |
| 260 error("Identifier expected following module"); | |
| 261 goto Lerr; | |
| 262 } | |
| 263 else | |
| 264 { | |
| 265 Array a = null; | |
| 266 Identifier id = token.ident; | |
| 267 while (nextToken() == TOK.TOKdot) | |
| 268 { | |
| 269 if (!a) | |
| 270 a = new Array(); | |
| 271 a.push(cast(void*)id); | |
| 272 nextToken(); | |
| 273 if (token.value != TOK.TOKidentifier) | |
| 274 { error("Identifier expected following package"); | |
| 275 goto Lerr; | |
| 276 } | |
| 277 id = token.ident; | |
| 278 } | |
| 279 | |
| 280 md = new ModuleDeclaration(a, id, safe); | |
| 281 | |
| 282 if (token.value != TOK.TOKsemicolon) | |
| 283 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 284 | |
| 285 nextToken(); | |
| 286 addComment(mod, comment); | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 decldefs = parseDeclDefs(0); | |
| 291 if (token.value != TOK.TOKeof) | |
| 292 { | |
| 293 error("unrecognized declaration"); | |
| 294 goto Lerr; | |
| 295 } | |
| 296 | |
| 297 return decldefs; | |
| 298 | |
| 299 Lerr: | |
| 300 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 301 nextToken(); | |
| 302 | |
| 303 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
304 return new Dsymbols(); |
| 0 | 305 } |
| 306 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
307 Dsymbols parseDeclDefs(int once) |
| 0 | 308 { |
| 309 Dsymbol s; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
310 Dsymbols decldefs; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
311 Dsymbols a; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
312 Dsymbols aelse; |
| 0 | 313 PROT prot; |
| 314 STC stc; | |
| 315 STC storageClass; | |
| 316 Condition condition; | |
| 79 | 317 string comment; |
| 0 | 318 |
| 319 //printf("Parser.parseDeclDefs()\n"); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
320 decldefs = new Dsymbols(); |
| 0 | 321 do |
| 322 { | |
| 323 comment = token.blockComment; | |
| 324 storageClass = STC.STCundefined; | |
| 325 switch (token.value) | |
| 326 { | |
| 327 case TOK.TOKenum: | |
| 328 { /* Determine if this is a manifest constant declaration, | |
| 329 * or a conventional enum. | |
| 330 */ | |
| 331 Token *t = peek(&token); | |
| 332 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 333 s = parseEnum(); | |
| 334 else if (t.value != TOK.TOKidentifier) | |
| 335 goto Ldeclaration; | |
| 336 else | |
| 337 { | |
| 338 t = peek(t); | |
| 339 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 340 t.value == TOK.TOKsemicolon) | |
| 341 s = parseEnum(); | |
| 342 else | |
| 343 goto Ldeclaration; | |
| 344 } | |
| 345 break; | |
| 346 } | |
| 347 | |
| 348 case TOK.TOKstruct: | |
| 349 case TOK.TOKunion: | |
| 350 case TOK.TOKclass: | |
| 351 case TOK.TOKinterface: | |
| 352 s = parseAggregate(); | |
| 353 break; | |
| 354 | |
| 355 case TOK.TOKimport: | |
| 356 s = parseImport(decldefs, 0); | |
| 357 break; | |
| 358 | |
| 359 case TOK.TOKtemplate: | |
| 360 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 361 break; | |
| 362 | |
| 363 case TOK.TOKmixin: | |
| 364 { Loc loc = this.loc; | |
| 365 if (peek(&token).value == TOK.TOKlparen) | |
| 366 { // mixin(string) | |
| 367 nextToken(); | |
| 368 check(TOK.TOKlparen, "mixin"); | |
| 369 Expression e = parseAssignExp(); | |
| 370 check(TOK.TOKrparen); | |
| 371 check(TOK.TOKsemicolon); | |
| 372 s = new CompileDeclaration(loc, e); | |
| 373 break; | |
| 374 } | |
| 375 s = parseMixin(); | |
| 376 break; | |
| 377 } | |
| 378 | |
| 379 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 380 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 381 case TOK.TOKint8: case TOK.TOKuns8: | |
| 382 case TOK.TOKint16: case TOK.TOKuns16: | |
| 383 case TOK.TOKint32: case TOK.TOKuns32: | |
| 384 case TOK.TOKint64: case TOK.TOKuns64: | |
| 385 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 386 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 387 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 388 case TOK.TOKvoid: | |
| 389 case TOK.TOKalias: | |
| 390 case TOK.TOKtypedef: | |
| 391 case TOK.TOKidentifier: | |
| 392 case TOK.TOKtypeof: | |
| 393 case TOK.TOKdot: | |
| 394 Ldeclaration: | |
| 395 a = parseDeclarations(STC.STCundefined); | |
| 396 decldefs.append(a); | |
| 397 continue; | |
| 398 | |
| 399 case TOK.TOKthis: | |
| 400 s = parseCtor(); | |
| 401 break; | |
| 402 | |
| 403 static if (false) { // dead end, use this(this){} instead | |
| 404 case TOK.TOKassign: | |
| 405 s = parsePostBlit(); | |
| 406 break; | |
| 407 } | |
| 408 case TOK.TOKtilde: | |
| 409 s = parseDtor(); | |
| 410 break; | |
| 411 | |
| 412 case TOK.TOKinvariant: | |
| 413 { Token *t; | |
| 414 t = peek(&token); | |
| 415 if (t.value == TOK.TOKlparen) | |
| 416 { | |
| 417 if (peek(t).value == TOK.TOKrparen) | |
| 418 // invariant() forms start of class invariant | |
| 419 s = parseInvariant(); | |
| 420 else | |
| 421 // invariant(type) | |
| 422 goto Ldeclaration; | |
| 423 } | |
| 424 else | |
| 425 { | |
| 426 stc = STC.STCimmutable; | |
| 427 goto Lstc; | |
| 428 } | |
| 429 break; | |
| 430 } | |
| 431 | |
| 432 case TOK.TOKunittest: | |
| 433 s = parseUnitTest(); | |
| 434 break; | |
| 435 | |
| 436 case TOK.TOKnew: | |
| 437 s = parseNew(); | |
| 438 break; | |
| 439 | |
| 440 case TOK.TOKdelete: | |
| 441 s = parseDelete(); | |
| 442 break; | |
| 443 | |
| 444 case TOK.TOKeof: | |
| 445 case TOK.TOKrcurly: | |
| 446 return decldefs; | |
| 447 | |
| 448 case TOK.TOKstatic: | |
| 449 nextToken(); | |
| 450 if (token.value == TOK.TOKthis) | |
| 451 s = parseStaticCtor(); | |
| 452 else if (token.value == TOK.TOKtilde) | |
| 453 s = parseStaticDtor(); | |
| 454 else if (token.value == TOK.TOKassert) | |
| 455 s = parseStaticAssert(); | |
| 456 else if (token.value == TOK.TOKif) | |
| 457 { condition = parseStaticIfCondition(); | |
| 458 a = parseBlock(); | |
| 459 aelse = null; | |
| 460 if (token.value == TOK.TOKelse) | |
| 461 { nextToken(); | |
| 462 aelse = parseBlock(); | |
| 463 } | |
| 464 s = new StaticIfDeclaration(condition, a, aelse); | |
| 465 break; | |
| 466 } | |
| 467 else if (token.value == TOK.TOKimport) | |
| 468 { | |
| 469 s = parseImport(decldefs, 1); | |
| 470 } | |
| 471 else | |
| 472 { stc = STC.STCstatic; | |
| 473 goto Lstc2; | |
| 474 } | |
| 475 break; | |
| 476 | |
| 477 case TOK.TOKconst: | |
| 478 if (peek(&token).value == TOK.TOKlparen) | |
| 479 goto Ldeclaration; | |
| 480 stc = STC.STCconst; | |
| 481 goto Lstc; | |
| 482 | |
| 483 case TOK.TOKimmutable: | |
| 484 if (peek(&token).value == TOK.TOKlparen) | |
| 485 goto Ldeclaration; | |
| 486 stc = STC.STCimmutable; | |
| 487 goto Lstc; | |
| 488 | |
| 489 case TOK.TOKshared: | |
| 490 if (peek(&token).value == TOK.TOKlparen) | |
| 491 goto Ldeclaration; | |
| 492 stc = STC.STCshared; | |
| 493 goto Lstc; | |
| 494 | |
| 495 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 496 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 497 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 498 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 499 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 500 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 501 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 502 version (DMDV2) { | |
| 503 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 504 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 505 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 506 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 507 case TOK.TOKgshared: | |
| 508 stc = STC.STCgshared; goto Lstc; | |
| 509 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 510 } | |
| 511 | |
| 512 Lstc: | |
| 513 if (storageClass & stc) | |
| 514 error("redundant storage class %s", Token.toChars(token.value)); | |
| 515 composeStorageClass(storageClass | stc); | |
| 516 nextToken(); | |
| 517 Lstc2: | |
| 518 storageClass |= stc; | |
| 519 switch (token.value) | |
| 520 { | |
| 521 case TOK.TOKconst: | |
| 522 case TOK.TOKinvariant: | |
| 523 case TOK.TOKimmutable: | |
| 524 case TOK.TOKshared: | |
| 525 // If followed by a (, it is not a storage class | |
| 526 if (peek(&token).value == TOK.TOKlparen) | |
| 527 break; | |
| 528 if (token.value == TOK.TOKconst) | |
| 529 stc = STC.STCconst; | |
| 530 else if (token.value == TOK.TOKshared) | |
| 531 stc = STC.STCshared; | |
| 532 else | |
| 533 stc = STC.STCimmutable; | |
| 534 goto Lstc; | |
| 535 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 536 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 537 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 538 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 539 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 540 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 541 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 542 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 543 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 544 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 545 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 546 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 547 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
| 548 default: | |
| 549 break; | |
| 550 } | |
| 551 | |
| 552 /* Look for auto initializers: | |
| 553 * storage_class identifier = initializer; | |
| 554 */ | |
| 555 if (token.value == TOK.TOKidentifier && | |
| 556 peek(&token).value == TOK.TOKassign) | |
| 557 { | |
| 558 a = parseAutoDeclarations(storageClass, comment); | |
| 559 decldefs.append(a); | |
| 560 continue; | |
| 561 } | |
| 562 | |
| 563 /* Look for return type inference for template functions. | |
| 564 */ | |
| 565 Token *tk; | |
| 566 if (token.value == TOK.TOKidentifier && | |
| 567 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 568 skipParens(tk, &tk) && | |
| 569 (peek(tk).value == TOK.TOKlparen || | |
| 570 peek(tk).value == TOK.TOKlcurly) | |
| 571 ) | |
| 572 { | |
| 573 a = parseDeclarations(storageClass); | |
| 574 decldefs.append(a); | |
| 575 continue; | |
| 576 } | |
| 577 a = parseBlock(); | |
| 578 s = new StorageClassDeclaration(storageClass, a); | |
| 579 break; | |
| 580 | |
| 581 case TOK.TOKextern: | |
| 582 if (peek(&token).value != TOK.TOKlparen) | |
| 583 { | |
| 584 stc = STC.STCextern; | |
| 585 goto Lstc; | |
| 586 } | |
| 587 { | |
| 588 LINK linksave = linkage; | |
| 589 linkage = parseLinkage(); | |
| 590 a = parseBlock(); | |
| 591 s = new LinkDeclaration(linkage, a); | |
| 592 linkage = linksave; | |
| 593 break; | |
| 594 } | |
| 595 | |
| 596 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 597 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 598 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 599 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 600 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 601 Lprot: | |
| 602 nextToken(); | |
| 603 switch (token.value) | |
| 604 { | |
| 605 case TOK.TOKprivate: | |
| 606 case TOK.TOKpackage: | |
| 607 case TOK.TOKprotected: | |
| 608 case TOK.TOKpublic: | |
| 609 case TOK.TOKexport: | |
| 610 error("redundant protection attribute"); | |
| 611 break; | |
| 612 default: | |
| 613 break; | |
| 614 } | |
| 615 a = parseBlock(); | |
| 616 s = new ProtDeclaration(prot, a); | |
| 617 break; | |
| 618 | |
| 619 case TOK.TOKalign: | |
| 620 { uint n; | |
| 621 | |
| 622 s = null; | |
| 623 nextToken(); | |
| 624 if (token.value == TOK.TOKlparen) | |
| 625 { | |
| 626 nextToken(); | |
| 627 if (token.value == TOK.TOKint32v) | |
| 628 n = cast(uint)token.uns64value; | |
| 629 else | |
| 630 { error("integer expected, not %s", token.toChars()); | |
| 631 n = 1; | |
| 632 } | |
| 633 nextToken(); | |
| 634 check(TOK.TOKrparen); | |
| 635 } | |
| 636 else | |
| 637 n = global.structalign; // default | |
| 638 | |
| 639 a = parseBlock(); | |
| 640 s = new AlignDeclaration(n, a); | |
| 641 break; | |
| 642 } | |
| 643 | |
| 644 case TOK.TOKpragma: | |
| 645 { Identifier ident; | |
| 646 Expressions args = null; | |
| 647 | |
| 648 nextToken(); | |
| 649 check(TOK.TOKlparen); | |
| 650 if (token.value != TOK.TOKidentifier) | |
| 651 { error("pragma(identifier expected"); | |
| 652 goto Lerror; | |
| 653 } | |
| 654 ident = token.ident; | |
| 655 nextToken(); | |
| 656 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 657 args = parseArguments(); // pragma(identifier, args...) | |
| 658 else | |
| 659 check(TOK.TOKrparen); // pragma(identifier) | |
| 660 | |
| 661 if (token.value == TOK.TOKsemicolon) | |
| 662 a = null; | |
| 663 else | |
| 664 a = parseBlock(); | |
| 665 s = new PragmaDeclaration(loc, ident, args, a); | |
| 666 break; | |
| 667 } | |
| 668 | |
| 669 case TOK.TOKdebug: | |
| 670 nextToken(); | |
| 671 if (token.value == TOK.TOKassign) | |
| 672 { | |
| 673 nextToken(); | |
| 674 if (token.value == TOK.TOKidentifier) | |
| 675 s = new DebugSymbol(loc, token.ident); | |
| 676 else if (token.value == TOK.TOKint32v) | |
| 677 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 678 else | |
| 679 { error("identifier or integer expected, not %s", token.toChars()); | |
| 680 s = null; | |
| 681 } | |
| 682 nextToken(); | |
| 683 if (token.value != TOK.TOKsemicolon) | |
| 684 error("semicolon expected"); | |
| 685 nextToken(); | |
| 686 break; | |
| 687 } | |
| 688 | |
| 689 condition = parseDebugCondition(); | |
| 690 goto Lcondition; | |
| 691 | |
| 692 case TOK.TOKversion: | |
| 693 nextToken(); | |
| 694 if (token.value == TOK.TOKassign) | |
| 695 { | |
| 696 nextToken(); | |
| 697 if (token.value == TOK.TOKidentifier) | |
| 698 s = new VersionSymbol(loc, token.ident); | |
| 699 else if (token.value == TOK.TOKint32v) | |
| 700 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 701 else | |
| 702 { error("identifier or integer expected, not %s", token.toChars()); | |
| 703 s = null; | |
| 704 } | |
| 705 nextToken(); | |
| 706 if (token.value != TOK.TOKsemicolon) | |
| 707 error("semicolon expected"); | |
| 708 nextToken(); | |
| 709 break; | |
| 710 } | |
| 711 condition = parseVersionCondition(); | |
| 712 goto Lcondition; | |
| 713 | |
| 714 Lcondition: | |
| 715 a = parseBlock(); | |
| 716 aelse = null; | |
| 717 if (token.value == TOK.TOKelse) | |
| 718 { nextToken(); | |
| 719 aelse = parseBlock(); | |
| 720 } | |
| 721 s = new ConditionalDeclaration(condition, a, aelse); | |
| 722 break; | |
| 723 | |
| 724 case TOK.TOKsemicolon: // empty declaration | |
| 725 nextToken(); | |
| 726 continue; | |
| 727 | |
| 728 default: | |
| 729 error("Declaration expected, not '%s'",token.toChars()); | |
| 730 Lerror: | |
| 731 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 732 nextToken(); | |
| 733 nextToken(); | |
| 734 s = null; | |
| 735 continue; | |
| 736 } | |
| 737 if (s) | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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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
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Switch Arrays of Dsymbols to the new templated Vector type
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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
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Switch Arrays of Dsymbols to the new templated Vector type
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56
diff
changeset
|
765 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 766 v.storage_class = storageClass; |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
56
diff
changeset
|
795 Dsymbols parseBlock() |
| 0 | 796 { |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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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
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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 } | |
| 1072 tpl.push(cast(void*)tp); | |
| 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(); | |
|
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parents:
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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; | |
| 1225 for (int i = 0; i < tf.parameters.dim; i++) | |
| 1226 { | |
| 1227 Argument param = cast(Argument)tf.parameters.data[i]; | |
| 1228 if (param.ident is null && | |
| 1229 param.type && | |
| 1230 param.type.ty == Tident && | |
| 1231 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1232 ) | |
| 1233 { | |
| 1234 /* Switch parameter type to parameter identifier, | |
| 1235 * parameterize with template type parameter _T | |
| 1236 */ | |
| 1237 TypeIdentifier pt = cast(TypeIdentifier)param.type; | |
| 1238 param.ident = pt.ident; | |
| 1239 Identifier id = Lexer.uniqueId("__T"); | |
| 1240 param.type = new TypeIdentifier(pt.loc, id); | |
| 1241 TemplateParameter tp = new TemplateTypeParameter(fd.loc, id, null, null); | |
| 1242 if (!tpl) | |
| 1243 tpl = new TemplateParameters(); | |
| 1244 tpl.push(cast(void*)tp); | |
| 1245 } | |
| 1246 } | |
| 1247 | |
| 1248 if (tpl) | |
| 1249 { | |
| 1250 // Wrap a template around function fd | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
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diff
changeset
|
1251 auto decldefs = new Dsymbols(); |
|
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
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diff
changeset
|
1252 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1253 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1254 tempdecl.literal = 1; // it's a template 'literal' |
|
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Objects -> Vector!Object iteration 1
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parents:
84
diff
changeset
|
1255 tiargs.push(tempdecl); |
| 0 | 1256 goto L1; |
| 1257 } | |
| 1258 } | |
| 1259 } | |
| 1260 | |
|
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parents:
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changeset
|
1261 tiargs.push(ea); |
| 0 | 1262 } |
| 1263 L1: | |
| 1264 if (token.value != TOKcomma) | |
| 1265 break; | |
| 1266 nextToken(); | |
| 1267 } | |
| 1268 } | |
| 1269 check(endtok, "template argument list"); | |
| 1270 return tiargs; | |
| 1271 } | |
| 1272 | |
| 2 | 1273 /***************************** |
| 1274 * Parse single template argument, to support the syntax: | |
| 1275 * foo!arg | |
| 1276 * Input: | |
| 1277 * current token is the arg | |
| 1278 */ | |
| 0 | 1279 Objects parseTemplateArgument() |
| 1280 { | |
| 2 | 1281 //printf("parseTemplateArgument()\n"); |
| 1282 Objects tiargs = new Objects(); | |
| 1283 Type ta; | |
| 1284 switch (token.value) | |
| 1285 { | |
| 1286 case TOKidentifier: | |
| 1287 ta = new TypeIdentifier(loc, token.ident); | |
| 1288 goto LabelX; | |
| 1289 | |
| 1290 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1291 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1292 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1293 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1294 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1295 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1296 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1297 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1298 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1299 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1300 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1301 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1302 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1303 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1304 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1305 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1306 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1307 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1308 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1309 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1310 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1311 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1312 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1313 LabelX: | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1314 tiargs.push(ta); |
| 2 | 1315 nextToken(); |
| 1316 break; | |
| 1317 | |
| 1318 case TOKint32v: | |
| 1319 case TOKuns32v: | |
| 1320 case TOKint64v: | |
| 1321 case TOKuns64v: | |
| 1322 case TOKfloat32v: | |
| 1323 case TOKfloat64v: | |
| 1324 case TOKfloat80v: | |
| 1325 case TOKimaginary32v: | |
| 1326 case TOKimaginary64v: | |
| 1327 case TOKimaginary80v: | |
| 1328 case TOKnull: | |
| 1329 case TOKtrue: | |
| 1330 case TOKfalse: | |
| 1331 case TOKcharv: | |
| 1332 case TOKwcharv: | |
| 1333 case TOKdcharv: | |
| 1334 case TOKstring: | |
| 1335 case TOKfile: | |
| 1336 case TOKline: | |
| 1337 { | |
| 1338 // Template argument is an expression | |
| 1339 Expression ea = parsePrimaryExp(); | |
|
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Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1340 tiargs.push(ea); |
| 2 | 1341 break; |
| 1342 } | |
| 1343 | |
| 1344 default: | |
| 1345 error("template argument expected following !"); | |
| 1346 break; | |
| 1347 } | |
| 1348 | |
| 1349 if (token.value == TOKnot) | |
| 1350 error("multiple ! arguments are not allowed"); | |
| 1351 return tiargs; | |
| 0 | 1352 } |
| 1353 | |
| 1354 /********************************** | |
| 1355 * Parse a static assertion. | |
| 1356 */ | |
| 1357 StaticAssert parseStaticAssert() | |
| 1358 { | |
| 1359 Loc loc = this.loc; | |
| 1360 Expression exp; | |
| 1361 Expression msg = null; | |
| 1362 | |
| 1363 //printf("parseStaticAssert()\n"); | |
| 1364 nextToken(); | |
| 1365 check(TOK.TOKlparen); | |
| 1366 exp = parseAssignExp(); | |
| 1367 if (token.value == TOK.TOKcomma) | |
| 1368 { | |
| 1369 nextToken(); | |
| 1370 msg = parseAssignExp(); | |
| 1371 } | |
| 1372 | |
| 1373 check(TOK.TOKrparen); | |
| 1374 check(TOK.TOKsemicolon); | |
| 1375 | |
| 1376 return new StaticAssert(loc, exp, msg); | |
| 1377 } | |
| 1378 | |
| 1379 TypeQualified parseTypeof() | |
| 1380 { | |
| 1381 TypeQualified t; | |
| 1382 Loc loc = this.loc; | |
| 1383 | |
| 1384 nextToken(); | |
| 1385 check(TOK.TOKlparen); | |
| 1386 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1387 { | |
| 1388 nextToken(); | |
| 1389 t = new TypeReturn(loc); | |
| 1390 } | |
| 1391 else | |
| 1392 { | |
| 1393 Expression exp = parseExpression(); // typeof(expression) | |
| 1394 t = new TypeTypeof(loc, exp); | |
| 1395 } | |
| 1396 check(TOK.TOKrparen); | |
| 1397 return t; | |
| 1398 } | |
| 1399 | |
| 1400 /*********************************** | |
| 1401 * Parse extern (linkage) | |
| 1402 * The parser is on the 'extern' token. | |
| 1403 */ | |
| 1404 LINK parseLinkage() | |
| 1405 { | |
| 1406 LINK link = LINK.LINKdefault; | |
| 1407 nextToken(); | |
| 1408 assert(token.value == TOK.TOKlparen); | |
| 1409 nextToken(); | |
| 1410 if (token.value == TOK.TOKidentifier) | |
| 1411 { | |
| 1412 Identifier id = token.ident; | |
| 1413 | |
| 1414 nextToken(); | |
| 1415 if (id == Id.Windows) | |
| 1416 link = LINK.LINKwindows; | |
| 1417 else if (id == Id.Pascal) | |
| 1418 link = LINK.LINKpascal; | |
| 1419 else if (id == Id.D) | |
| 1420 link = LINK.LINKd; | |
| 1421 else if (id == Id.C) | |
| 1422 { | |
| 1423 link = LINK.LINKc; | |
| 1424 if (token.value == TOK.TOKplusplus) | |
| 1425 { | |
| 1426 link = LINK.LINKcpp; | |
| 1427 nextToken(); | |
| 1428 } | |
| 1429 } | |
| 1430 else if (id == Id.System) | |
| 1431 { | |
| 114 | 1432 version (Windows) |
| 1433 { | |
| 0 | 1434 link = LINK.LINKwindows; |
| 114 | 1435 } |
| 1436 else | |
| 1437 { | |
| 0 | 1438 link = LINK.LINKc; |
| 1439 } | |
| 1440 } | |
| 1441 else | |
| 1442 { | |
| 1443 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1444 link = LINK.LINKd; | |
| 1445 } | |
| 1446 } | |
| 1447 else | |
| 1448 { | |
| 1449 link = LINK.LINKd; // default | |
| 1450 } | |
| 1451 check(TOK.TOKrparen); | |
| 1452 | |
| 1453 return link; | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 1457 /************************************** | |
| 1458 * Parse a debug conditional | |
| 1459 */ | |
| 1460 Condition parseDebugCondition() | |
| 1461 { | |
| 1462 Condition c; | |
| 1463 | |
| 1464 if (token.value == TOK.TOKlparen) | |
| 1465 { | |
| 1466 nextToken(); | |
| 1467 uint level = 1; | |
| 1468 Identifier id = null; | |
| 1469 | |
| 1470 if (token.value == TOK.TOKidentifier) | |
| 1471 id = token.ident; | |
| 1472 else if (token.value == TOK.TOKint32v) | |
| 1473 level = cast(uint)token.uns64value; | |
| 1474 else | |
| 1475 error("identifier or integer expected, not %s", token.toChars()); | |
| 1476 | |
| 1477 nextToken(); | |
| 1478 check(TOK.TOKrparen); | |
| 1479 | |
| 1480 c = new DebugCondition(mod, level, id); | |
| 1481 } | |
| 1482 else | |
| 1483 c = new DebugCondition(mod, 1, null); | |
| 1484 | |
| 1485 return c; | |
| 1486 } | |
| 1487 | |
| 1488 /************************************** | |
| 1489 * Parse a version conditional | |
| 1490 */ | |
| 1491 Condition parseVersionCondition() | |
| 1492 { | |
| 1493 Condition c; | |
| 1494 uint level = 1; | |
| 1495 Identifier id = null; | |
| 1496 | |
| 1497 if (token.value == TOK.TOKlparen) | |
| 1498 { | |
| 1499 nextToken(); | |
| 1500 if (token.value == TOK.TOKidentifier) | |
| 1501 id = token.ident; | |
| 1502 else if (token.value == TOK.TOKint32v) | |
| 1503 level = cast(uint)token.uns64value; | |
| 1504 else { | |
| 1505 version (DMDV2) { | |
| 1506 /* Allow: | |
| 1507 * version (unittest) | |
| 1508 * even though unittest is a keyword | |
| 1509 */ | |
| 1510 if (token.value == TOK.TOKunittest) | |
| 1511 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1512 else | |
| 1513 error("identifier or integer expected, not %s", token.toChars()); | |
| 1514 } else { | |
| 1515 error("identifier or integer expected, not %s", token.toChars()); | |
| 1516 } | |
| 1517 } | |
| 1518 nextToken(); | |
| 1519 check(TOK.TOKrparen); | |
| 1520 } | |
| 1521 else | |
| 1522 error("(condition) expected following version"); | |
| 1523 | |
| 1524 c = new VersionCondition(mod, level, id); | |
| 1525 | |
| 1526 return c; | |
| 1527 } | |
| 1528 | |
| 1529 /*********************************************** | |
| 1530 * static if (expression) | |
| 1531 * body | |
| 1532 * else | |
| 1533 * body | |
| 1534 */ | |
| 1535 Condition parseStaticIfCondition() | |
| 1536 { | |
| 1537 Expression exp; | |
| 1538 Condition condition; | |
| 1539 Array aif; | |
| 1540 Array aelse; | |
| 1541 Loc loc = this.loc; | |
| 1542 | |
| 1543 nextToken(); | |
| 1544 if (token.value == TOKlparen) | |
| 1545 { | |
| 1546 nextToken(); | |
| 1547 exp = parseAssignExp(); | |
| 1548 check(TOKrparen); | |
| 1549 } | |
| 1550 else | |
| 1551 { | |
| 1552 error("(expression) expected following static if"); | |
| 1553 exp = null; | |
| 1554 } | |
| 1555 condition = new StaticIfCondition(loc, exp); | |
| 1556 return condition; | |
| 1557 } | |
| 1558 | |
| 1559 /***************************************** | |
| 1560 * Parse a constructor definition: | |
| 1561 * this(parameters) { body } | |
| 1562 * or postblit: | |
| 1563 * this(this) { body } | |
| 1564 * or constructor template: | |
| 1565 * this(templateparameters)(parameters) { body } | |
| 1566 * Current token is 'this'. | |
| 1567 */ | |
| 1568 | |
| 1569 Dsymbol parseCtor() | |
| 1570 { | |
| 1571 Loc loc = this.loc; | |
| 1572 | |
| 1573 nextToken(); | |
| 1574 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1575 { // this(this) { ... } | |
| 1576 nextToken(); | |
| 1577 nextToken(); | |
| 1578 check(TOK.TOKrparen); | |
| 1579 PostBlitDeclaration f = new PostBlitDeclaration(loc, Loc(0)); | |
| 1580 parseContracts(f); | |
| 1581 return f; | |
| 1582 } | |
| 1583 | |
| 1584 /* Look ahead to see if: | |
| 1585 * this(...)(...) | |
| 1586 * which is a constructor template | |
| 1587 */ | |
| 1588 TemplateParameters tpl = null; | |
| 1589 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1590 { tpl = parseTemplateParameterList(); | |
| 1591 | |
| 1592 int varargs; | |
| 1593 Arguments arguments = parseParameters(&varargs); | |
| 1594 | |
| 1595 Expression constraint = null; | |
| 1596 if (tpl) | |
| 1597 constraint = parseConstraint(); | |
| 1598 | |
| 1599 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1600 parseContracts(f); | |
| 1601 | |
| 1602 // Wrap a template around it | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1603 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
|
1604 decldefs.push(f); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1605 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1606 return tempdecl; |
| 1607 } | |
| 1608 | |
| 1609 /* Just a regular constructor | |
| 1610 */ | |
| 1611 int varargs; | |
| 1612 Arguments arguments = parseParameters(&varargs); | |
| 1613 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1614 parseContracts(f); | |
| 1615 return f; | |
| 1616 } | |
| 1617 | |
| 1618 PostBlitDeclaration parsePostBlit() | |
| 1619 { | |
| 1620 assert(false); | |
| 1621 } | |
| 1622 | |
| 1623 /***************************************** | |
| 1624 * Parse a destructor definition: | |
| 1625 * ~this() { body } | |
| 1626 * Current token is '~'. | |
| 1627 */ | |
| 1628 DtorDeclaration parseDtor() | |
| 1629 { | |
| 1630 DtorDeclaration f; | |
| 1631 Loc loc = this.loc; | |
| 1632 | |
| 1633 nextToken(); | |
| 1634 check(TOKthis); | |
| 1635 check(TOKlparen); | |
| 1636 check(TOKrparen); | |
| 1637 | |
| 1638 f = new DtorDeclaration(loc, Loc(0)); | |
| 1639 parseContracts(f); | |
| 1640 return f; | |
| 1641 } | |
| 1642 | |
| 1643 /***************************************** | |
| 1644 * Parse a static constructor definition: | |
| 1645 * static this() { body } | |
| 1646 * Current token is 'this'. | |
| 1647 */ | |
| 1648 StaticCtorDeclaration parseStaticCtor() | |
| 1649 { | |
| 1650 StaticCtorDeclaration f; | |
| 1651 Loc loc = this.loc; | |
| 1652 | |
| 1653 nextToken(); | |
| 1654 check(TOKlparen); | |
| 1655 check(TOKrparen); | |
| 1656 | |
| 1657 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1658 parseContracts(f); | |
| 1659 return f; | |
| 1660 } | |
| 1661 | |
| 1662 /***************************************** | |
| 1663 * Parse a static destructor definition: | |
| 1664 * static ~this() { body } | |
| 1665 * Current token is '~'. | |
| 1666 */ | |
| 1667 StaticDtorDeclaration parseStaticDtor() | |
| 1668 { | |
| 1669 StaticDtorDeclaration f; | |
| 1670 Loc loc = this.loc; | |
| 1671 | |
| 1672 nextToken(); | |
| 1673 check(TOKthis); | |
| 1674 check(TOKlparen); | |
| 1675 check(TOKrparen); | |
| 1676 | |
| 1677 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1678 parseContracts(f); | |
| 1679 return f; | |
| 1680 } | |
| 1681 | |
| 1682 /***************************************** | |
| 1683 * Parse an invariant definition: | |
| 1684 * invariant() { body } | |
| 1685 * Current token is 'invariant'. | |
| 1686 */ | |
| 1687 InvariantDeclaration parseInvariant() | |
| 1688 { | |
| 1689 InvariantDeclaration f; | |
| 1690 Loc loc = this.loc; | |
| 1691 | |
| 1692 nextToken(); | |
| 1693 if (token.value == TOKlparen) // optional () | |
| 1694 { | |
| 1695 nextToken(); | |
| 1696 check(TOKrparen); | |
| 1697 } | |
| 1698 | |
| 1699 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1700 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1701 return f; | |
| 1702 } | |
| 1703 | |
| 1704 /***************************************** | |
| 1705 * Parse a unittest definition: | |
| 1706 * unittest { body } | |
| 1707 * Current token is 'unittest'. | |
| 1708 */ | |
| 1709 UnitTestDeclaration parseUnitTest() | |
| 1710 { | |
| 1711 Loc loc = this.loc; | |
| 1712 | |
| 1713 nextToken(); | |
| 1714 | |
| 1715 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1716 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1717 | |
| 1718 return f; | |
| 1719 } | |
| 1720 | |
| 1721 NewDeclaration parseNew() | |
| 1722 { | |
| 1723 assert(false); | |
| 1724 } | |
| 1725 | |
| 1726 DeleteDeclaration parseDelete() | |
| 1727 { | |
| 1728 assert(false); | |
| 1729 } | |
| 1730 | |
| 1731 Arguments parseParameters(int* pvarargs) | |
| 1732 { | |
| 1733 Arguments arguments = new Arguments(); | |
| 1734 int varargs = 0; | |
| 1735 int hasdefault = 0; | |
| 1736 | |
| 1737 check(TOK.TOKlparen); | |
| 1738 while (1) | |
| 1739 { Type *tb; | |
| 1740 Identifier ai = null; | |
| 1741 Type at; | |
| 1742 Argument a; | |
| 1743 STC storageClass = STC.STCundefined; | |
| 1744 STC stc; | |
| 1745 Expression ae; | |
| 1746 | |
| 1747 for ( ;1; nextToken()) | |
| 1748 { | |
| 1749 switch (token.value) | |
| 1750 { | |
| 1751 case TOK.TOKrparen: | |
| 1752 break; | |
| 1753 | |
| 1754 case TOK.TOKdotdotdot: | |
| 1755 varargs = 1; | |
| 1756 nextToken(); | |
| 1757 break; | |
| 1758 | |
| 1759 case TOK.TOKconst: | |
| 1760 if (peek(&token).value == TOK.TOKlparen) | |
| 1761 goto Ldefault; | |
| 1762 stc = STC.STCconst; | |
| 1763 goto L2; | |
| 1764 | |
| 1765 case TOK.TOKinvariant: | |
| 1766 case TOK.TOKimmutable: | |
| 1767 if (peek(&token).value == TOK.TOKlparen) | |
| 1768 goto Ldefault; | |
| 1769 stc = STC.STCimmutable; | |
| 1770 goto L2; | |
| 1771 | |
| 1772 case TOK.TOKshared: | |
| 1773 if (peek(&token).value == TOK.TOKlparen) | |
| 1774 goto Ldefault; | |
| 1775 stc = STC.STCshared; | |
| 1776 goto L2; | |
| 1777 | |
| 1778 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1779 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1780 case TOK.TOKinout: | |
| 1781 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1782 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1783 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1784 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1785 L2: | |
| 1786 if (storageClass & stc || | |
| 1787 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1788 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1789 ) | |
| 1790 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1791 storageClass |= stc; | |
| 1792 composeStorageClass(storageClass); | |
| 1793 continue; | |
| 1794 | |
| 1795 static if (false) { | |
| 1796 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1797 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1798 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1799 L4: | |
| 1800 nextToken(); | |
| 1801 if (token.value == TOK.TOKidentifier) | |
| 1802 { ai = token.ident; | |
| 1803 nextToken(); | |
| 1804 } | |
| 1805 else | |
| 1806 ai = null; | |
| 1807 at = null; // no type | |
| 1808 ae = null; // no default argument | |
| 1809 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1810 { nextToken(); | |
| 1811 ae = parseDefaultInitExp(); | |
| 1812 hasdefault = 1; | |
| 1813 } | |
| 1814 else | |
| 1815 { if (hasdefault) | |
| 1816 error("default argument expected for alias %s", | |
| 1817 ai ? ai.toChars() : ""); | |
| 1818 } | |
| 1819 goto L3; | |
| 1820 } | |
| 1821 | |
| 1822 default: | |
| 1823 Ldefault: | |
| 1824 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1825 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1826 error("incompatible parameter storage classes"); | |
| 1827 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1828 error("out cannot be const"); | |
| 1829 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1830 error("out cannot be immutable"); | |
| 1831 if ((storageClass & STC.STCscope) && | |
| 1832 (storageClass & (STC.STCref | STC.STCout))) | |
| 1833 error("scope cannot be ref or out"); | |
| 1834 at = parseType(&ai); | |
| 1835 ae = null; | |
| 1836 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1837 { nextToken(); | |
| 1838 ae = parseDefaultInitExp(); | |
| 1839 hasdefault = 1; | |
| 1840 } | |
| 1841 else | |
| 1842 { if (hasdefault) | |
| 1843 error("default argument expected for %s", | |
| 1844 ai ? ai.toChars() : at.toChars()); | |
| 1845 } | |
| 1846 if (token.value == TOK.TOKdotdotdot) | |
| 1847 { /* This is: | |
| 1848 * at ai ... | |
| 1849 */ | |
| 1850 | |
| 1851 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1852 error("variadic argument cannot be out or ref"); | |
| 1853 varargs = 2; | |
| 1854 a = new Argument(storageClass, at, ai, ae); | |
| 1855 arguments.push(cast(void*)a); | |
| 1856 nextToken(); | |
| 1857 break; | |
| 1858 } | |
| 1859 L3: | |
| 1860 a = new Argument(storageClass, at, ai, ae); | |
| 1861 arguments.push(cast(void*)a); | |
| 1862 if (token.value == TOK.TOKcomma) | |
| 1863 { nextToken(); | |
| 1864 goto L1; | |
| 1865 } | |
| 1866 break; | |
| 1867 } | |
| 1868 break; | |
| 1869 } | |
| 1870 break; | |
| 1871 | |
| 1872 L1: ; | |
| 1873 } | |
| 1874 check(TOK.TOKrparen); | |
| 1875 *pvarargs = varargs; | |
| 1876 return arguments; | |
| 1877 } | |
| 1878 | |
| 1879 EnumDeclaration parseEnum() | |
| 1880 { | |
| 1881 EnumDeclaration e; | |
| 1882 Identifier id; | |
| 1883 Type memtype; | |
| 1884 Loc loc = this.loc; | |
| 1885 | |
| 1886 //printf("Parser.parseEnum()\n"); | |
| 1887 nextToken(); | |
| 1888 if (token.value == TOK.TOKidentifier) | |
| 1889 { | |
| 1890 id = token.ident; | |
| 1891 nextToken(); | |
| 1892 } | |
| 1893 else | |
| 1894 id = null; | |
| 1895 | |
| 1896 if (token.value == TOK.TOKcolon) | |
| 1897 { | |
| 1898 nextToken(); | |
| 1899 memtype = parseBasicType(); | |
| 1900 memtype = parseDeclarator(memtype, null, null); | |
| 1901 } | |
| 1902 else | |
| 1903 memtype = null; | |
| 1904 | |
| 1905 e = new EnumDeclaration(loc, id, memtype); | |
| 1906 if (token.value == TOK.TOKsemicolon && id) | |
| 1907 nextToken(); | |
| 1908 else if (token.value == TOK.TOKlcurly) | |
| 1909 { | |
| 1910 //printf("enum definition\n"); | |
|
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1911 e.members = new Dsymbols(); |
| 0 | 1912 nextToken(); |
| 79 | 1913 string comment = token.blockComment; |
| 0 | 1914 while (token.value != TOK.TOKrcurly) |
| 1915 { | |
| 1916 /* Can take the following forms: | |
| 1917 * 1. ident | |
| 1918 * 2. ident = value | |
| 1919 * 3. type ident = value | |
| 1920 */ | |
| 1921 | |
| 1922 loc = this.loc; | |
| 1923 | |
| 1924 Type type = null; | |
| 1925 Identifier ident; | |
| 1926 Token* tp = peek(&token); | |
| 1927 if (token.value == TOK.TOKidentifier && | |
| 1928 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1929 { | |
| 1930 ident = token.ident; | |
| 1931 type = null; | |
| 1932 nextToken(); | |
| 1933 } | |
| 1934 else | |
| 1935 { | |
| 1936 type = parseType(&ident, null); | |
| 1937 if (id || memtype) | |
| 1938 error("type only allowed if anonymous enum and no enum type"); | |
| 1939 } | |
| 1940 | |
| 1941 Expression value; | |
| 1942 if (token.value == TOK.TOKassign) | |
| 1943 { | |
| 1944 nextToken(); | |
| 1945 value = parseAssignExp(); | |
| 1946 } | |
| 1947 else | |
| 1948 { | |
| 1949 value = null; | |
| 1950 if (type) | |
| 1951 error("if type, there must be an initializer"); | |
| 1952 } | |
| 1953 | |
|
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1954 auto em = new EnumMember(loc, ident, value, type); |
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1955 e.members.push(em); |
| 0 | 1956 |
| 1957 if (token.value == TOK.TOKrcurly) { | |
| 1958 ; | |
| 1959 } else { | |
| 1960 addComment(em, comment); | |
| 1961 comment = null; | |
| 1962 check(TOK.TOKcomma); | |
| 1963 } | |
| 1964 addComment(em, comment); | |
| 1965 comment = token.blockComment; | |
| 1966 } | |
| 1967 nextToken(); | |
| 1968 } | |
| 1969 else | |
| 1970 error("enum declaration is invalid"); | |
| 1971 | |
| 1972 //printf("-parseEnum() %s\n", e.toChars()); | |
| 1973 return e; | |
| 1974 } | |
| 1975 | |
| 1976 Dsymbol parseAggregate() | |
| 1977 { | |
| 1978 AggregateDeclaration a = null; | |
| 1979 int anon = 0; | |
| 1980 TOK tok; | |
| 1981 Identifier id; | |
| 1982 TemplateParameters tpl = null; | |
| 1983 Expression constraint = null; | |
| 1984 | |
| 1985 //printf("Parser.parseAggregate()\n"); | |
| 1986 tok = token.value; | |
| 1987 nextToken(); | |
| 1988 if (token.value != TOK.TOKidentifier) | |
| 1989 { | |
| 1990 id = null; | |
| 1991 } | |
| 1992 else | |
| 1993 { | |
| 1994 id = token.ident; | |
| 1995 nextToken(); | |
| 1996 | |
| 1997 if (token.value == TOK.TOKlparen) | |
| 1998 { | |
| 1999 // Class template declaration. | |
| 2000 | |
| 2001 // Gather template parameter list | |
| 2002 tpl = parseTemplateParameterList(); | |
| 2003 constraint = parseConstraint(); | |
| 2004 } | |
| 2005 } | |
| 2006 | |
| 2007 Loc loc = this.loc; | |
| 2008 switch (tok) | |
| 2009 { case TOK.TOKclass: | |
| 2010 case TOK.TOKinterface: | |
| 2011 { | |
| 2012 if (!id) | |
| 2013 error("anonymous classes not allowed"); | |
| 2014 | |
| 2015 // Collect base class(es) | |
| 2016 BaseClasses baseclasses = null; | |
| 2017 if (token.value == TOK.TOKcolon) | |
| 2018 { | |
| 2019 nextToken(); | |
| 2020 baseclasses = parseBaseClasses(); | |
| 2021 | |
| 2022 if (token.value != TOK.TOKlcurly) | |
| 2023 error("members expected"); | |
| 2024 } | |
| 2025 | |
| 2026 if (tok == TOK.TOKclass) | |
| 2027 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2028 else | |
| 2029 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2030 break; | |
| 2031 } | |
| 2032 | |
| 2033 case TOK.TOKstruct: | |
| 2034 if (id) | |
| 2035 a = new StructDeclaration(loc, id); | |
| 2036 else | |
| 2037 anon = 1; | |
| 2038 break; | |
| 2039 | |
| 2040 case TOK.TOKunion: | |
| 2041 if (id) | |
| 2042 a = new UnionDeclaration(loc, id); | |
| 2043 else | |
| 2044 anon = 2; | |
| 2045 break; | |
| 2046 | |
| 2047 default: | |
| 2048 assert(0); | |
| 2049 break; | |
| 2050 } | |
| 2051 if (a && token.value == TOK.TOKsemicolon) | |
| 2052 { nextToken(); | |
| 2053 } | |
| 2054 else if (token.value == TOK.TOKlcurly) | |
| 2055 { | |
| 2056 //printf("aggregate definition\n"); | |
| 2057 nextToken(); | |
|
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|
2058 auto decl = parseDeclDefs(0); |
| 0 | 2059 if (token.value != TOK.TOKrcurly) |
| 2060 error("} expected following member declarations in aggregate"); | |
| 2061 nextToken(); | |
| 2062 if (anon) | |
| 2063 { | |
| 2064 /* Anonymous structs/unions are more like attributes. | |
| 2065 */ | |
| 2066 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2067 } | |
| 2068 else | |
| 2069 a.members = decl; | |
| 2070 } | |
| 2071 else | |
| 2072 { | |
| 2073 error("{ } expected following aggregate declaration"); | |
| 2074 a = new StructDeclaration(loc, null); | |
| 2075 } | |
| 2076 | |
| 2077 if (tpl) | |
| 2078 { // Wrap a template around the aggregate declaration | |
| 2079 | |
|
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|
2080 auto decldefs = new Dsymbols(); |
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|
2081 decldefs.push(a); |
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diff
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|
2082 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2083 return tempdecl; |
| 2084 } | |
| 2085 | |
| 2086 return a; | |
| 2087 } | |
| 2088 | |
| 2089 BaseClasses parseBaseClasses() | |
| 2090 { | |
| 2091 BaseClasses baseclasses = new BaseClasses(); | |
| 2092 | |
| 2093 for (; 1; nextToken()) | |
| 2094 { | |
| 2095 PROT protection = PROT.PROTpublic; | |
| 2096 switch (token.value) | |
| 2097 { | |
| 2098 case TOK.TOKprivate: | |
| 2099 protection = PROT.PROTprivate; | |
| 2100 nextToken(); | |
| 2101 break; | |
| 2102 case TOK.TOKpackage: | |
| 2103 protection = PROT.PROTpackage; | |
| 2104 nextToken(); | |
| 2105 break; | |
| 2106 case TOK.TOKprotected: | |
| 2107 protection = PROT.PROTprotected; | |
| 2108 nextToken(); | |
| 2109 break; | |
| 2110 case TOK.TOKpublic: | |
| 2111 protection = PROT.PROTpublic; | |
| 2112 nextToken(); | |
| 2113 break; | |
| 2114 default: | |
| 2115 break; /// | |
| 2116 } | |
| 2117 if (token.value == TOK.TOKidentifier) | |
| 2118 { | |
| 2119 BaseClass b = new BaseClass(parseBasicType(), protection); | |
| 2120 baseclasses.push(cast(void*)b); | |
| 2121 if (token.value != TOK.TOKcomma) | |
| 2122 break; | |
| 2123 } | |
| 2124 else | |
| 2125 { | |
| 2126 error("base classes expected instead of %s", token.toChars()); | |
| 2127 return null; | |
| 2128 } | |
| 2129 } | |
| 2130 return baseclasses; | |
| 2131 } | |
| 2132 | |
|
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|
2133 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2134 { |
| 2135 Import s; | |
| 2136 Identifier id; | |
| 2137 Identifier aliasid = null; | |
| 2138 Array a; | |
| 2139 Loc loc; | |
| 2140 | |
| 2141 //printf("Parser.parseImport()\n"); | |
| 2142 do | |
| 2143 { | |
| 2144 L1: | |
| 2145 nextToken(); | |
| 2146 if (token.value != TOK.TOKidentifier) | |
| 2147 { | |
| 2148 error("Identifier expected following import"); | |
| 2149 break; | |
| 2150 } | |
| 2151 | |
| 2152 loc = this.loc; | |
| 2153 a = null; | |
| 2154 id = token.ident; | |
| 2155 nextToken(); | |
| 2156 if (!aliasid && token.value == TOK.TOKassign) | |
| 2157 { | |
| 2158 aliasid = id; | |
| 2159 goto L1; | |
| 2160 } | |
| 2161 while (token.value == TOK.TOKdot) | |
| 2162 { | |
| 2163 if (!a) | |
| 2164 a = new Array(); | |
| 2165 a.push(cast(void*)id); | |
| 2166 nextToken(); | |
| 2167 if (token.value != TOK.TOKidentifier) | |
| 2168 { | |
| 2169 error("identifier expected following package"); | |
| 2170 break; | |
| 2171 } | |
| 2172 id = token.ident; | |
| 2173 nextToken(); | |
| 2174 } | |
| 2175 | |
| 2176 s = new Import(loc, a, id, aliasid, isstatic); | |
|
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|
2177 decldefs.push(s); |
| 0 | 2178 |
| 2179 /* Look for | |
| 2180 * : alias=name, alias=name; | |
| 2181 * syntax. | |
| 2182 */ | |
| 2183 if (token.value == TOK.TOKcolon) | |
| 2184 { | |
| 2185 do | |
| 2186 { | |
| 2187 Identifier name; | |
| 2188 | |
| 2189 nextToken(); | |
| 2190 if (token.value != TOK.TOKidentifier) | |
| 2191 { | |
| 2192 error("Identifier expected following :"); | |
| 2193 break; | |
| 2194 } | |
| 2195 Identifier alias_ = token.ident; | |
| 2196 nextToken(); | |
| 2197 if (token.value == TOK.TOKassign) | |
| 2198 { | |
| 2199 nextToken(); | |
| 2200 if (token.value != TOK.TOKidentifier) | |
| 2201 { | |
| 2202 error("Identifier expected following %s=", alias_.toChars()); | |
| 2203 break; | |
| 2204 } | |
| 2205 name = token.ident; | |
| 2206 nextToken(); | |
| 2207 } | |
| 2208 else | |
| 2209 { | |
| 2210 name = alias_; | |
| 2211 alias_ = null; | |
| 2212 } | |
| 2213 s.addAlias(name, alias_); | |
| 2214 } while (token.value == TOK.TOKcomma); | |
| 2215 | |
| 2216 break; // no comma-separated imports of this form | |
| 2217 } | |
| 2218 | |
| 2219 aliasid = null; | |
| 2220 | |
| 2221 } while (token.value == TOK.TOKcomma); | |
| 2222 | |
| 2223 if (token.value == TOK.TOKsemicolon) | |
| 2224 nextToken(); | |
| 2225 else | |
| 2226 { | |
| 2227 error("';' expected"); | |
| 2228 nextToken(); | |
| 2229 } | |
| 2230 | |
| 2231 return null; | |
| 2232 } | |
| 2233 | |
| 2234 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2235 { | |
| 2236 Type t; | |
| 2237 | |
| 2238 /* Take care of the storage class prefixes that | |
| 2239 * serve as type attributes: | |
| 2240 * const shared, shared const, const, invariant, shared | |
| 2241 */ | |
| 2242 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2243 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2244 { | |
| 2245 nextToken(); | |
| 2246 nextToken(); | |
| 2247 /* shared const type | |
| 2248 */ | |
| 2249 t = parseType(pident, tpl); | |
| 2250 t = t.makeSharedConst(); | |
| 2251 return t; | |
| 2252 } | |
| 2253 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2254 { | |
| 2255 nextToken(); | |
| 2256 /* const type | |
| 2257 */ | |
| 2258 t = parseType(pident, tpl); | |
| 2259 t = t.makeConst(); | |
| 2260 return t; | |
| 2261 } | |
| 2262 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2263 peekNext() != TOK.TOKlparen) | |
| 2264 { | |
| 2265 nextToken(); | |
| 2266 /* invariant type | |
| 2267 */ | |
| 2268 t = parseType(pident, tpl); | |
| 2269 t = t.makeInvariant(); | |
| 2270 return t; | |
| 2271 } | |
| 2272 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2273 { | |
| 2274 nextToken(); | |
| 2275 /* shared type | |
| 2276 */ | |
| 2277 t = parseType(pident, tpl); | |
| 2278 t = t.makeShared(); | |
| 2279 return t; | |
| 2280 } | |
| 2281 else | |
| 2282 t = parseBasicType(); | |
| 2283 t = parseDeclarator(t, pident, tpl); | |
| 2284 return t; | |
| 2285 } | |
| 2286 | |
| 2287 Type parseBasicType() | |
| 2288 { | |
| 2289 Type t; | |
| 2290 Identifier id; | |
| 2291 TypeQualified tid; | |
| 2292 | |
| 2293 //printf("parseBasicType()\n"); | |
| 2294 switch (token.value) | |
| 2295 { | |
| 2296 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2297 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2298 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2299 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2300 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2301 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2302 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2303 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2304 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2305 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2306 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2307 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2308 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2309 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2310 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2311 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2312 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2313 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2314 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2315 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2316 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2317 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2318 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2319 LabelX: | |
| 2320 nextToken(); | |
| 2321 break; | |
| 2322 | |
| 2323 case TOK.TOKidentifier: | |
| 2324 id = token.ident; | |
| 2325 nextToken(); | |
| 2326 if (token.value == TOK.TOKnot) | |
| 2327 { // ident!(template_arguments) | |
| 2328 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2329 nextToken(); | |
| 2330 if (token.value == TOK.TOKlparen) | |
| 2331 // ident!(template_arguments) | |
| 2332 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2333 else | |
| 2334 // ident!template_argument | |
| 2335 tempinst.tiargs = parseTemplateArgument(); | |
| 2336 tid = new TypeInstance(loc, tempinst); | |
| 2337 goto Lident2; | |
| 2338 } | |
| 2339 Lident: | |
| 2340 tid = new TypeIdentifier(loc, id); | |
| 2341 Lident2: | |
| 2342 while (token.value == TOK.TOKdot) | |
| 2343 { nextToken(); | |
| 2344 if (token.value != TOK.TOKidentifier) | |
| 2345 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2346 break; | |
| 2347 } | |
| 2348 id = token.ident; | |
| 2349 nextToken(); | |
| 2350 if (token.value == TOK.TOKnot) | |
| 2351 { | |
| 2352 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2353 nextToken(); | |
| 2354 if (token.value == TOK.TOKlparen) | |
| 2355 // ident!(template_arguments) | |
| 2356 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2357 else | |
| 2358 // ident!template_argument | |
| 2359 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2360 tid.addIdent(tempinst); |
| 0 | 2361 } |
| 2362 else | |
| 2363 tid.addIdent(id); | |
| 2364 } | |
| 2365 t = tid; | |
| 2366 break; | |
| 2367 | |
| 2368 case TOK.TOKdot: | |
| 2369 // Leading . as in .foo | |
| 2370 id = Id.empty; | |
| 2371 goto Lident; | |
| 2372 | |
| 2373 case TOK.TOKtypeof: | |
| 2374 // typeof(expression) | |
| 2375 tid = parseTypeof(); | |
| 2376 goto Lident2; | |
| 2377 | |
| 2378 case TOK.TOKconst: | |
| 2379 // const(type) | |
| 2380 nextToken(); | |
| 2381 check(TOK.TOKlparen); | |
| 2382 t = parseType(); | |
| 2383 check(TOK.TOKrparen); | |
| 2384 if (t.isShared()) | |
| 2385 t = t.makeSharedConst(); | |
| 2386 else | |
| 2387 t = t.makeConst(); | |
| 2388 break; | |
| 2389 | |
| 2390 case TOK.TOKinvariant: | |
| 2391 case TOK.TOKimmutable: | |
| 2392 // invariant(type) | |
| 2393 nextToken(); | |
| 2394 check(TOK.TOKlparen); | |
| 2395 t = parseType(); | |
| 2396 check(TOK.TOKrparen); | |
| 2397 t = t.makeInvariant(); | |
| 2398 break; | |
| 2399 | |
| 2400 case TOK.TOKshared: | |
| 2401 // shared(type) | |
| 2402 nextToken(); | |
| 2403 check(TOK.TOKlparen); | |
| 2404 t = parseType(); | |
| 2405 check(TOK.TOKrparen); | |
| 2406 if (t.isConst()) | |
| 2407 t = t.makeSharedConst(); | |
| 2408 else | |
| 2409 t = t.makeShared(); | |
| 2410 break; | |
| 2411 | |
| 2412 default: | |
| 2413 error("basic type expected, not %s", token.toChars()); | |
| 2414 t = Type.tint32; | |
| 2415 break; | |
| 2416 } | |
| 2417 return t; | |
| 2418 } | |
| 2419 | |
| 2420 Type parseBasicType2(Type t) | |
| 2421 { | |
| 79 | 2422 //writef("parseBasicType2()\n"); |
| 0 | 2423 while (1) |
| 2424 { | |
| 79 | 2425 switch (token.value) |
| 0 | 2426 { |
| 79 | 2427 case TOK.TOKmul: |
| 2428 t = new TypePointer(t); | |
| 2429 nextToken(); | |
| 2430 continue; | |
| 2431 | |
| 2432 case TOK.TOKlbracket: | |
| 2433 // Handle []. Make sure things like | |
| 2434 // int[3][1] a; | |
| 2435 // is (array[1] of array[3] of int) | |
| 0 | 2436 nextToken(); |
| 79 | 2437 if (token.value == TOK.TOKrbracket) |
| 2438 { | |
| 2439 t = new TypeDArray(t); // [] | |
| 2440 nextToken(); | |
| 2441 } | |
| 2442 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2443 { |
| 79 | 2444 t = new TypeNewArray(t); // [new] |
| 2445 nextToken(); | |
| 2446 nextToken(); | |
| 2447 } | |
| 2448 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2449 { // It's an associative array declaration | |
| 2450 | |
| 2451 //printf("it's an associative array\n"); | |
| 2452 Type index = parseType(); // [ type ] | |
| 2453 t = new TypeAArray(t, index); | |
| 2454 check(TOK.TOKrbracket); | |
| 0 | 2455 } |
| 2456 else | |
| 79 | 2457 { |
| 2458 //printf("it's type[expression]\n"); | |
| 2459 inBrackets++; | |
| 2460 Expression e = parseExpression(); // [ expression ] | |
| 2461 if (token.value == TOK.TOKslice) | |
| 2462 { | |
| 2463 nextToken(); | |
| 2464 Expression e2 = parseExpression(); // [ exp .. exp ] | |
| 2465 t = new TypeSlice(t, e, e2); | |
| 2466 } | |
| 2467 else | |
| 2468 t = new TypeSArray(t,e); | |
| 2469 inBrackets--; | |
| 2470 check(TOK.TOKrbracket); | |
| 2471 } | |
| 2472 continue; | |
| 2473 | |
| 2474 case TOK.TOKdelegate: | |
| 2475 case TOK.TOKfunction: | |
| 2476 { // Handle delegate declaration: | |
| 2477 // t delegate(parameter list) nothrow pure | |
| 2478 // t function(parameter list) nothrow pure | |
| 2479 Arguments arguments; | |
| 2480 int varargs; | |
| 2481 bool ispure = false; | |
| 2482 bool isnothrow = false; | |
| 2483 TOK save = token.value; | |
| 2484 | |
| 2485 nextToken(); | |
| 2486 arguments = parseParameters(&varargs); | |
| 2487 while (1) | |
| 2488 { // Postfixes | |
| 2489 if (token.value == TOK.TOKpure) | |
| 2490 ispure = true; | |
| 2491 else if (token.value == TOK.TOKnothrow) | |
| 2492 isnothrow = true; | |
| 2493 else | |
| 2494 break; | |
| 2495 nextToken(); | |
| 2496 } | |
| 2497 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2498 tf.ispure = ispure; | |
| 2499 tf.isnothrow = isnothrow; | |
| 2500 if (save == TOK.TOKdelegate) | |
| 2501 t = new TypeDelegate(tf); | |
| 0 | 2502 else |
| 79 | 2503 t = new TypePointer(tf); // pointer to function |
| 2504 continue; | |
| 2505 } | |
| 2506 | |
| 2507 default: | |
| 2508 return t; | |
| 2509 } | |
| 2510 assert(0); | |
| 0 | 2511 } |
| 2512 assert(0); | |
| 2513 return null; | |
| 2514 } | |
| 2515 | |
| 2516 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2517 { | |
| 2518 Type ts; | |
| 2519 | |
| 2520 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2521 t = parseBasicType2(t); | |
| 2522 | |
| 2523 switch (token.value) | |
| 2524 { | |
| 2525 | |
| 2526 case TOK.TOKidentifier: | |
| 2527 if (pident) | |
| 2528 *pident = token.ident; | |
| 2529 else | |
| 2530 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2531 ts = t; | |
| 2532 nextToken(); | |
| 2533 break; | |
| 2534 | |
| 2535 case TOK.TOKlparen: | |
| 2536 /* Parse things with parentheses around the identifier, like: | |
| 2537 * int (*ident[3])[] | |
| 2538 * although the D style would be: | |
| 2539 * int[]*[3] ident | |
| 2540 */ | |
| 2541 nextToken(); | |
| 2542 ts = parseDeclarator(t, pident); | |
| 2543 check(TOK.TOKrparen); | |
| 2544 break; | |
| 2545 | |
| 2546 default: | |
| 2547 ts = t; | |
| 2548 break; | |
| 2549 } | |
| 2550 | |
| 2551 // parse DeclaratorSuffixes | |
| 2552 while (1) | |
| 2553 { | |
| 2554 switch (token.value) | |
| 2555 { | |
| 2556 version (CARRAYDECL) { | |
| 2557 /* Support C style array syntax: | |
| 2558 * int ident[] | |
| 2559 * as opposed to D-style: | |
| 2560 * int[] ident | |
| 2561 */ | |
| 2562 case TOK.TOKlbracket: | |
| 2563 { // This is the old C-style post [] syntax. | |
| 2564 TypeNext ta; | |
| 2565 nextToken(); | |
| 2566 if (token.value == TOK.TOKrbracket) | |
| 2567 { // It's a dynamic array | |
| 2568 ta = new TypeDArray(t); // [] | |
| 2569 nextToken(); | |
| 2570 } | |
| 79 | 2571 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2572 { | |
| 2573 t = new TypeNewArray(t); // [new] | |
| 2574 nextToken(); | |
| 2575 nextToken(); | |
| 2576 } | |
| 0 | 2577 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2578 { // It's an associative array | |
| 2579 | |
| 2580 //printf("it's an associative array\n"); | |
| 2581 Type index = parseType(); // [ type ] | |
| 2582 check(TOK.TOKrbracket); | |
| 2583 ta = new TypeAArray(t, index); | |
| 2584 } | |
| 2585 else | |
| 2586 { | |
| 2587 //printf("It's a static array\n"); | |
| 2588 Expression e = parseExpression(); // [ expression ] | |
| 2589 ta = new TypeSArray(t, e); | |
| 2590 check(TOK.TOKrbracket); | |
| 2591 } | |
| 2592 | |
| 2593 /* Insert ta into | |
| 2594 * ts . ... . t | |
| 2595 * so that | |
| 2596 * ts . ... . ta . t | |
| 2597 */ | |
| 2598 Type* pt; | |
| 2599 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2600 ; | |
| 2601 } | |
| 2602 *pt = ta; | |
| 2603 continue; | |
| 2604 } | |
| 2605 } | |
| 2606 case TOK.TOKlparen: | |
| 2607 { | |
| 2608 if (tpl) | |
| 2609 { | |
| 2610 /* Look ahead to see if this is (...)(...), | |
| 2611 * i.e. a function template declaration | |
| 2612 */ | |
| 2613 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2614 { | |
| 2615 //printf("function template declaration\n"); | |
| 2616 | |
| 2617 // Gather template parameter list | |
| 2618 *tpl = parseTemplateParameterList(); | |
| 2619 } | |
| 2620 } | |
| 2621 | |
| 2622 int varargs; | |
| 2623 Arguments arguments = parseParameters(&varargs); | |
| 2624 Type tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2625 | |
| 2626 /* Parse const/invariant/nothrow/pure postfix | |
| 2627 */ | |
| 2628 while (1) | |
| 2629 { | |
| 2630 switch (token.value) | |
| 2631 { | |
| 2632 case TOK.TOKconst: | |
| 2633 if (tf.isShared()) | |
| 2634 tf = tf.makeSharedConst(); | |
| 2635 else | |
| 2636 tf = tf.makeConst(); | |
| 2637 nextToken(); | |
| 2638 continue; | |
| 2639 | |
| 2640 case TOK.TOKinvariant: | |
| 2641 case TOK.TOKimmutable: | |
| 2642 tf = tf.makeInvariant(); | |
| 2643 nextToken(); | |
| 2644 continue; | |
| 2645 | |
| 2646 case TOK.TOKshared: | |
| 2647 if (tf.isConst()) | |
| 2648 tf = tf.makeSharedConst(); | |
| 2649 else | |
| 2650 tf = tf.makeShared(); | |
| 2651 nextToken(); | |
| 2652 continue; | |
| 2653 | |
| 2654 case TOK.TOKnothrow: | |
| 2655 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2656 nextToken(); | |
| 2657 continue; | |
| 2658 | |
| 2659 case TOK.TOKpure: | |
| 2660 (cast(TypeFunction)tf).ispure = 1; | |
| 2661 nextToken(); | |
| 2662 continue; | |
| 2663 | |
| 2664 case TOK.TOKat: | |
| 2665 nextToken(); | |
| 2666 if (token.value != TOK.TOKidentifier) | |
| 2667 { error("attribute identifier expected"); | |
| 2668 nextToken(); | |
| 2669 continue; | |
| 2670 } | |
| 2671 Identifier id = token.ident; | |
| 2672 if (id is Id.property) | |
| 96 | 2673 (cast(TypeFunction)tf).isproperty = 1; |
| 0 | 2674 else |
| 96 | 2675 error("valid attribute identifiers are @property, not @%s", id.toChars()); |
| 0 | 2676 nextToken(); |
| 2677 continue; | |
| 2678 default: | |
| 2679 break; /// | |
| 2680 } | |
| 2681 break; | |
| 2682 } | |
| 2683 | |
| 2684 /* Insert tf into | |
| 2685 * ts . ... . t | |
| 2686 * so that | |
| 2687 * ts . ... . tf . t | |
| 2688 */ | |
| 2689 Type* pt; | |
| 2690 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2691 ; | |
| 2692 } | |
| 2693 *pt = tf; | |
| 2694 break; | |
| 2695 } | |
| 2696 | |
| 2697 default: | |
| 2698 break; /// | |
| 2699 } | |
| 2700 break; | |
| 2701 } | |
| 2702 | |
| 2703 return ts; | |
| 2704 } | |
| 2705 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2706 Dsymbols parseDeclarations(STC storage_class) |
| 0 | 2707 { |
| 2708 STC stc; | |
| 2709 Type ts; | |
| 2710 Type t; | |
| 2711 Type tfirst; | |
| 2712 Identifier ident; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2713 Dsymbols a; |
| 0 | 2714 TOK tok = TOK.TOKreserved; |
| 79 | 2715 string comment = token.blockComment; |
| 0 | 2716 LINK link = linkage; |
| 2717 | |
| 2718 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2719 if (storage_class) | |
| 2720 { ts = null; // infer type | |
| 2721 goto L2; | |
| 2722 } | |
| 2723 | |
| 2724 switch (token.value) | |
| 2725 { | |
| 2726 case TOK.TOKalias: | |
| 2727 /* Look for: | |
| 2728 * alias identifier this; | |
| 2729 */ | |
| 2730 tok = token.value; | |
| 2731 nextToken(); | |
| 2732 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2733 { | |
| 2734 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2735 nextToken(); | |
| 2736 check(TOK.TOKthis); | |
| 2737 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
|
2738 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2739 a.push(s); |
| 0 | 2740 addComment(s, comment); |
| 2741 return a; | |
| 2742 } | |
| 2743 break; | |
| 2744 case TOK.TOKtypedef: | |
| 2745 tok = token.value; | |
| 2746 nextToken(); | |
| 2747 break; | |
| 2748 default: | |
| 2749 break; | |
| 2750 } | |
| 2751 | |
| 2752 storage_class = STC.STCundefined; | |
| 2753 while (1) | |
| 2754 { | |
| 2755 switch (token.value) | |
| 2756 { | |
| 2757 case TOK.TOKconst: | |
| 2758 if (peek(&token).value == TOK.TOKlparen) | |
| 2759 break; // const as type constructor | |
| 2760 stc = STC.STCconst; // const as storage class | |
| 2761 goto L1; | |
| 2762 | |
| 2763 case TOK.TOKinvariant: | |
| 2764 case TOK.TOKimmutable: | |
| 2765 if (peek(&token).value == TOK.TOKlparen) | |
| 2766 break; | |
| 2767 stc = STC.STCimmutable; | |
| 2768 goto L1; | |
| 2769 | |
| 2770 case TOK.TOKshared: | |
| 2771 if (peek(&token).value == TOK.TOKlparen) | |
| 2772 break; | |
| 2773 stc = STC.STCshared; | |
| 2774 goto L1; | |
| 2775 | |
| 2776 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2777 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2778 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2779 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2780 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2781 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2782 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2783 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2784 version (DMDV2) { | |
| 2785 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2786 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2787 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2788 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2789 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2790 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
| 2791 } | |
| 2792 L1: | |
| 2793 if (storage_class & stc) | |
| 2794 error("redundant storage class '%s'", token.toChars()); | |
| 2795 storage_class = (storage_class | stc); | |
| 2796 composeStorageClass(storage_class); | |
| 2797 nextToken(); | |
| 2798 continue; | |
| 2799 | |
| 2800 case TOK.TOKextern: | |
| 2801 if (peek(&token).value != TOK.TOKlparen) | |
| 2802 { stc = STC.STCextern; | |
| 2803 goto L1; | |
| 2804 } | |
| 2805 | |
| 2806 link = parseLinkage(); | |
| 2807 continue; | |
| 2808 | |
| 2809 default: | |
| 2810 break; | |
| 2811 } | |
| 2812 break; | |
| 2813 } | |
| 2814 | |
| 2815 /* Look for auto initializers: | |
| 2816 * storage_class identifier = initializer; | |
| 2817 */ | |
| 2818 if (storage_class && | |
| 2819 token.value == TOK.TOKidentifier && | |
| 2820 peek(&token).value == TOK.TOKassign) | |
| 2821 { | |
| 2822 return parseAutoDeclarations(storage_class, comment); | |
| 2823 } | |
| 2824 | |
| 2825 if (token.value == TOK.TOKclass) | |
| 2826 { | |
| 2827 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2828 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
|
2829 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2830 a.push(s); |
| 0 | 2831 addComment(s, comment); |
| 2832 return a; | |
| 2833 } | |
| 2834 | |
| 2835 /* Look for return type inference for template functions. | |
| 2836 */ | |
| 2837 { | |
| 2838 Token *tk; | |
| 2839 if (storage_class && | |
| 2840 token.value == TOK.TOKidentifier && | |
| 2841 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2842 skipParens(tk, &tk) && | |
| 2843 peek(tk).value == TOK.TOKlparen) | |
| 2844 { | |
| 2845 ts = null; | |
| 2846 } | |
| 2847 else | |
| 2848 { | |
| 2849 ts = parseBasicType(); | |
| 2850 ts = parseBasicType2(ts); | |
| 2851 } | |
| 2852 } | |
| 2853 | |
| 2854 L2: | |
| 2855 tfirst = null; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2856 a = new Dsymbols(); |
| 0 | 2857 |
| 2858 while (1) | |
| 2859 { | |
| 2860 Loc loc = this.loc; | |
| 2861 TemplateParameters tpl = null; | |
| 2862 | |
| 2863 ident = null; | |
| 2864 t = parseDeclarator(ts, &ident, &tpl); | |
| 2865 assert(t); | |
| 2866 if (!tfirst) | |
| 2867 tfirst = t; | |
| 2868 else if (t != tfirst) | |
| 2869 error("multiple declarations must have the same type, not %s and %s", | |
| 2870 tfirst.toChars(), t.toChars()); | |
| 2871 if (!ident) | |
| 2872 error("no identifier for declarator %s", t.toChars()); | |
| 2873 | |
| 2874 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2875 { Declaration v; | |
| 2876 Initializer init = null; | |
| 2877 | |
| 2878 if (token.value == TOK.TOKassign) | |
| 2879 { | |
| 2880 nextToken(); | |
| 2881 init = parseInitializer(); | |
| 2882 } | |
| 2883 if (tok == TOK.TOKtypedef) | |
| 2884 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2885 else | |
| 2886 { if (init) | |
| 2887 error("alias cannot have initializer"); | |
| 2888 v = new AliasDeclaration(loc, ident, t); | |
| 2889 } | |
| 2890 v.storage_class = storage_class; | |
| 2891 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
|
2892 a.push(v); |
| 0 | 2893 else |
| 2894 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2895 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
|
2896 ax.push(v); |
| 0 | 2897 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
|
2898 a.push(s); |
| 0 | 2899 } |
| 2900 switch (token.value) | |
| 2901 { case TOK.TOKsemicolon: | |
| 2902 nextToken(); | |
| 2903 addComment(v, comment); | |
| 2904 break; | |
| 2905 | |
| 2906 case TOK.TOKcomma: | |
| 2907 nextToken(); | |
| 2908 addComment(v, comment); | |
| 2909 continue; | |
| 2910 | |
| 2911 default: | |
| 2912 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 2913 break; | |
| 2914 } | |
| 2915 } | |
| 2916 else if (t.ty == TY.Tfunction) | |
| 2917 { | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2918 auto tf = cast(TypeFunction)t; |
| 0 | 2919 Expression constraint = null; |
| 2920 static if (false) { | |
| 2921 if (Argument.isTPL(tf.parameters)) | |
| 2922 { | |
| 2923 if (!tpl) | |
| 2924 tpl = new TemplateParameters(); | |
| 2925 } | |
| 2926 } | |
| 2927 FuncDeclaration f = | |
| 2928 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 2929 addComment(f, comment); | |
| 2930 if (tpl) | |
| 2931 constraint = parseConstraint(); | |
| 2932 parseContracts(f); | |
| 2933 addComment(f, null); | |
| 2934 Dsymbol s; | |
| 2935 if (link == linkage) | |
| 2936 { | |
| 2937 s = f; | |
| 2938 } | |
| 2939 else | |
| 2940 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2941 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
|
2942 ax.push(f); |
| 0 | 2943 s = new LinkDeclaration(link, ax); |
| 2944 } | |
| 2945 /* A template parameter list means it's a function template | |
| 2946 */ | |
| 2947 if (tpl) | |
| 2948 { | |
| 2949 // Wrap a template around the function declaration | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2950 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
|
2951 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2952 auto tempdecl = |
| 0 | 2953 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 2954 s = tempdecl; | |
| 2955 } | |
| 2956 addComment(s, comment); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2957 a.push(s); |
| 0 | 2958 } |
| 2959 else | |
| 2960 { | |
| 2961 Initializer init = null; | |
| 2962 if (token.value == TOK.TOKassign) | |
| 2963 { | |
| 2964 nextToken(); | |
| 2965 init = parseInitializer(); | |
| 2966 } | |
| 2967 | |
| 2968 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 2969 v.storage_class = storage_class; | |
| 2970 if (link == linkage) | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2971 a.push(v); |
| 0 | 2972 else |
| 2973 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2974 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
|
2975 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2976 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
|
2977 a.push(s); |
| 0 | 2978 } |
| 2979 switch (token.value) | |
| 2980 { case TOK.TOKsemicolon: | |
| 2981 nextToken(); | |
| 2982 addComment(v, comment); | |
| 2983 break; | |
| 2984 | |
| 2985 case TOK.TOKcomma: | |
| 2986 nextToken(); | |
| 2987 addComment(v, comment); | |
| 2988 continue; | |
| 2989 | |
| 2990 default: | |
| 2991 error("semicolon expected, not '%s'", token.toChars()); | |
| 2992 break; | |
| 2993 } | |
| 2994 } | |
| 2995 break; | |
| 2996 } | |
| 2997 return a; | |
| 2998 } | |
| 2999 | |
| 3000 void parseContracts(FuncDeclaration f) | |
| 3001 { | |
| 3002 Type tb; | |
| 3003 LINK linksave = linkage; | |
| 3004 | |
| 3005 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3006 // TypeFunction.semantic | |
| 3007 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3008 L1: | |
| 3009 switch (token.value) | |
| 3010 { | |
| 3011 case TOK.TOKlcurly: | |
| 3012 if (f.frequire || f.fensure) | |
| 3013 error("missing body { ... } after in or out"); | |
| 3014 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3015 f.endloc = endloc; | |
| 3016 break; | |
| 3017 | |
| 3018 case TOK.TOKbody: | |
| 3019 nextToken(); | |
| 3020 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3021 f.endloc = endloc; | |
| 3022 break; | |
| 3023 | |
| 3024 case TOK.TOKsemicolon: | |
| 3025 if (f.frequire || f.fensure) | |
| 3026 error("missing body { ... } after in or out"); | |
| 3027 nextToken(); | |
| 3028 break; | |
| 3029 | |
| 3030 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3031 // int x, y, foo(), z; | |
| 3032 case TOK.TOKcomma: | |
| 3033 nextToken(); | |
| 3034 continue; | |
| 3035 } | |
| 3036 | |
| 3037 static if (false) { // Dumped feature | |
| 3038 case TOK.TOKthrow: | |
| 3039 if (!f.fthrows) | |
| 3040 f.fthrows = new Array(); | |
| 3041 nextToken(); | |
| 3042 check(TOK.TOKlparen); | |
| 3043 while (1) | |
| 3044 { | |
| 3045 tb = parseBasicType(); | |
| 3046 f.fthrows.push(tb); | |
| 3047 if (token.value == TOK.TOKcomma) | |
| 3048 { nextToken(); | |
| 3049 continue; | |
| 3050 } | |
| 3051 break; | |
| 3052 } | |
| 3053 check(TOK.TOKrparen); | |
| 3054 goto L1; | |
| 3055 } | |
| 3056 | |
| 3057 case TOK.TOKin: | |
| 3058 nextToken(); | |
| 3059 if (f.frequire) | |
| 3060 error("redundant 'in' statement"); | |
| 3061 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3062 goto L1; | |
| 3063 | |
| 3064 case TOK.TOKout: | |
| 3065 // parse: out (identifier) { statement } | |
| 3066 nextToken(); | |
| 3067 if (token.value != TOK.TOKlcurly) | |
| 3068 { | |
| 3069 check(TOK.TOKlparen); | |
| 3070 if (token.value != TOK.TOKidentifier) | |
| 3071 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3072 f.outId = token.ident; | |
| 3073 nextToken(); | |
| 3074 check(TOK.TOKrparen); | |
| 3075 } | |
| 3076 if (f.fensure) | |
| 3077 error("redundant 'out' statement"); | |
| 3078 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3079 goto L1; | |
| 3080 | |
| 3081 default: | |
| 3082 error("semicolon expected following function declaration"); | |
| 3083 break; | |
| 3084 } | |
| 3085 linkage = linksave; | |
| 3086 } | |
| 3087 | |
| 3088 Statement parseStatement(ParseStatementFlags flags) | |
| 3089 { | |
| 3090 Statement s; | |
| 3091 Token* t; | |
| 3092 Condition condition; | |
| 3093 Statement ifbody; | |
| 3094 Statement elsebody; | |
| 3095 bool isfinal; | |
| 3096 Loc loc = this.loc; | |
| 3097 | |
| 3098 //printf("parseStatement()\n"); | |
| 3099 | |
| 3100 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3101 error("statement expected to be { }, not %s", token.toChars()); | |
| 3102 | |
| 3103 switch (token.value) | |
| 3104 { | |
| 3105 case TOK.TOKidentifier: | |
| 3106 /* A leading identifier can be a declaration, label, or expression. | |
| 3107 * The easiest case to check first is label: | |
| 3108 */ | |
| 3109 t = peek(&token); | |
| 3110 if (t.value == TOK.TOKcolon) | |
| 3111 { // It's a label | |
| 3112 | |
| 3113 Identifier ident = token.ident; | |
| 3114 nextToken(); | |
| 3115 nextToken(); | |
| 3116 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3117 s = new LabelStatement(loc, ident, s); | |
| 3118 break; | |
| 3119 } | |
| 3120 // fallthrough to TOK.TOKdot | |
| 3121 case TOK.TOKdot: | |
| 3122 case TOK.TOKtypeof: | |
| 3123 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3124 goto Ldeclaration; | |
| 3125 else | |
| 3126 goto Lexp; | |
| 3127 break; | |
| 3128 | |
| 3129 case TOK.TOKassert: | |
| 3130 case TOK.TOKthis: | |
| 3131 case TOK.TOKsuper: | |
| 3132 case TOK.TOKint32v: | |
| 3133 case TOK.TOKuns32v: | |
| 3134 case TOK.TOKint64v: | |
| 3135 case TOK.TOKuns64v: | |
| 3136 case TOK.TOKfloat32v: | |
| 3137 case TOK.TOKfloat64v: | |
| 3138 case TOK.TOKfloat80v: | |
| 3139 case TOK.TOKimaginary32v: | |
| 3140 case TOK.TOKimaginary64v: | |
| 3141 case TOK.TOKimaginary80v: | |
| 3142 case TOK.TOKcharv: | |
| 3143 case TOK.TOKwcharv: | |
| 3144 case TOK.TOKdcharv: | |
| 3145 case TOK.TOKnull: | |
| 3146 case TOK.TOKtrue: | |
| 3147 case TOK.TOKfalse: | |
| 3148 case TOK.TOKstring: | |
| 3149 case TOK.TOKlparen: | |
| 3150 case TOK.TOKcast: | |
| 3151 case TOK.TOKmul: | |
| 3152 case TOK.TOKmin: | |
| 3153 case TOK.TOKadd: | |
| 3154 case TOK.TOKplusplus: | |
| 3155 case TOK.TOKminusminus: | |
| 3156 case TOK.TOKnew: | |
| 3157 case TOK.TOKdelete: | |
| 3158 case TOK.TOKdelegate: | |
| 3159 case TOK.TOKfunction: | |
| 3160 case TOK.TOKtypeid: | |
| 3161 case TOK.TOKis: | |
| 3162 case TOK.TOKlbracket: | |
| 3163 version (DMDV2) { | |
| 3164 case TOK.TOKtraits: | |
| 3165 case TOK.TOKfile: | |
| 3166 case TOK.TOKline: | |
| 3167 } | |
| 3168 Lexp: | |
| 3169 { Expression exp; | |
| 3170 | |
| 3171 exp = parseExpression(); | |
| 3172 check(TOK.TOKsemicolon, "statement"); | |
| 3173 s = new ExpStatement(loc, exp); | |
| 3174 break; | |
| 3175 } | |
| 3176 | |
| 3177 case TOK.TOKstatic: | |
| 3178 { // Look ahead to see if it's static assert() or static if() | |
| 3179 Token *tt; | |
| 3180 | |
| 3181 tt = peek(&token); | |
| 3182 if (tt.value == TOK.TOKassert) | |
| 3183 { | |
| 3184 nextToken(); | |
| 3185 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3186 break; | |
| 3187 } | |
| 3188 if (tt.value == TOK.TOKif) | |
| 3189 { | |
| 3190 nextToken(); | |
| 3191 condition = parseStaticIfCondition(); | |
| 3192 goto Lcondition; | |
| 3193 } | |
| 3194 goto Ldeclaration; | |
| 3195 } | |
| 3196 | |
| 3197 case TOK.TOKfinal: | |
| 3198 if (peekNext() == TOK.TOKswitch) | |
| 3199 { | |
| 3200 nextToken(); | |
| 3201 isfinal = true; | |
| 3202 goto Lswitch; | |
| 3203 } | |
| 3204 goto Ldeclaration; | |
| 3205 | |
| 3206 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3207 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3208 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3209 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3210 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3211 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3212 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3213 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3214 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3215 case TOK.TOKvoid: | |
| 3216 case TOK.TOKtypedef: | |
| 3217 case TOK.TOKalias: | |
| 3218 case TOK.TOKconst: | |
| 3219 case TOK.TOKauto: | |
| 3220 case TOK.TOKextern: | |
| 3221 case TOK.TOKinvariant: | |
| 3222 version (DMDV2) { | |
| 3223 case TOK.TOKimmutable: | |
| 3224 case TOK.TOKshared: | |
| 3225 case TOK.TOKnothrow: | |
| 3226 case TOK.TOKpure: | |
| 3227 case TOK.TOKtls: | |
| 3228 case TOK.TOKgshared: | |
| 3229 } | |
| 3230 // case TOK.TOKtypeof: | |
| 3231 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3232 { Dsymbols a; |
| 0 | 3233 |
| 3234 a = parseDeclarations(STC.STCundefined); | |
| 3235 if (a.dim > 1) | |
| 3236 { | |
| 3237 Statements as = new Statements(); | |
| 3238 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3239 foreach(Dsymbol d; a) |
| 0 | 3240 { |
| 3241 s = new DeclarationStatement(loc, d); | |
| 3242 as.push(cast(void*)s); | |
| 3243 } | |
| 3244 s = new CompoundDeclarationStatement(loc, as); | |
| 3245 } | |
| 3246 else if (a.dim == 1) | |
| 3247 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3248 auto d = a[0]; |
| 0 | 3249 s = new DeclarationStatement(loc, d); |
| 3250 } | |
| 3251 else | |
| 3252 assert(0); | |
| 3253 if (flags & ParseStatementFlags.PSscope) | |
| 3254 s = new ScopeStatement(loc, s); | |
| 3255 break; | |
| 3256 } | |
| 3257 | |
| 3258 case TOK.TOKstruct: | |
| 3259 case TOK.TOKunion: | |
| 3260 case TOK.TOKclass: | |
| 3261 case TOK.TOKinterface: | |
| 3262 { Dsymbol d; | |
| 3263 | |
| 3264 d = parseAggregate(); | |
| 3265 s = new DeclarationStatement(loc, d); | |
| 3266 break; | |
| 3267 } | |
| 3268 | |
| 3269 case TOK.TOKenum: | |
| 3270 { /* Determine if this is a manifest constant declaration, | |
| 3271 * or a conventional enum. | |
| 3272 */ | |
| 3273 Dsymbol d; | |
| 3274 Token* tt = peek(&token); | |
| 3275 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3276 d = parseEnum(); | |
| 3277 else if (tt.value != TOK.TOKidentifier) | |
| 3278 goto Ldeclaration; | |
| 3279 else | |
| 3280 { | |
| 3281 tt = peek(tt); | |
| 3282 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3283 tt.value == TOK.TOKsemicolon) | |
| 3284 d = parseEnum(); | |
| 3285 else | |
| 3286 goto Ldeclaration; | |
| 3287 } | |
| 3288 s = new DeclarationStatement(loc, d); | |
| 3289 break; | |
| 3290 } | |
| 3291 | |
| 3292 case TOK.TOKmixin: | |
| 3293 { t = peek(&token); | |
| 3294 if (t.value == TOK.TOKlparen) | |
| 3295 { // mixin(string) | |
| 3296 nextToken(); | |
| 3297 check(TOK.TOKlparen, "mixin"); | |
| 3298 Expression e = parseAssignExp(); | |
| 3299 check(TOK.TOKrparen); | |
| 3300 check(TOK.TOKsemicolon); | |
| 3301 s = new CompileStatement(loc, e); | |
| 3302 break; | |
| 3303 } | |
| 3304 Dsymbol d = parseMixin(); | |
| 3305 s = new DeclarationStatement(loc, d); | |
| 3306 break; | |
| 3307 } | |
| 3308 | |
| 3309 case TOK.TOKlcurly: | |
| 79 | 3310 { |
| 3311 nextToken(); | |
| 3312 Statements statements = new Statements(); | |
| 3313 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3314 { |
| 3315 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3316 } | |
| 3317 endloc = this.loc; | |
| 3318 s = new CompoundStatement(loc, statements); | |
| 3319 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3320 s = new ScopeStatement(loc, s); | |
| 3321 nextToken(); | |
| 3322 break; | |
| 3323 } | |
| 3324 | |
| 3325 case TOK.TOKwhile: | |
| 3326 { Expression condition2; | |
| 3327 Statement body_; | |
| 3328 | |
| 3329 nextToken(); | |
| 3330 check(TOK.TOKlparen); | |
| 3331 condition2 = parseExpression(); | |
| 3332 check(TOK.TOKrparen); | |
| 3333 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3334 s = new WhileStatement(loc, condition2, body_); | |
| 3335 break; | |
| 3336 } | |
| 3337 | |
| 3338 case TOK.TOKsemicolon: | |
| 3339 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3340 error("use '{ }' for an empty statement, not a ';'"); | |
| 3341 nextToken(); | |
| 3342 s = new ExpStatement(loc, null); | |
| 3343 break; | |
| 3344 | |
| 3345 case TOK.TOKdo: | |
| 3346 { Statement body_; | |
| 3347 Expression condition2; | |
| 3348 | |
| 3349 nextToken(); | |
| 3350 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3351 check(TOK.TOKwhile); | |
| 3352 check(TOK.TOKlparen); | |
| 3353 condition2 = parseExpression(); | |
| 3354 check(TOK.TOKrparen); | |
| 3355 s = new DoStatement(loc, body_, condition2); | |
| 3356 break; | |
| 3357 } | |
| 3358 | |
| 3359 case TOK.TOKfor: | |
| 3360 { | |
| 3361 Statement init; | |
| 3362 Expression condition2; | |
| 3363 Expression increment; | |
| 3364 Statement body_; | |
| 3365 | |
| 3366 nextToken(); | |
| 3367 check(TOK.TOKlparen); | |
| 3368 if (token.value == TOK.TOKsemicolon) | |
| 3369 { init = null; | |
| 3370 nextToken(); | |
| 3371 } | |
| 3372 else | |
| 3373 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3374 } | |
| 3375 if (token.value == TOK.TOKsemicolon) | |
| 3376 { | |
| 3377 condition2 = null; | |
| 3378 nextToken(); | |
| 3379 } | |
| 3380 else | |
| 3381 { | |
| 3382 condition2 = parseExpression(); | |
| 3383 check(TOK.TOKsemicolon, "for condition"); | |
| 3384 } | |
| 3385 if (token.value == TOK.TOKrparen) | |
| 3386 { increment = null; | |
| 3387 nextToken(); | |
| 3388 } | |
| 3389 else | |
| 3390 { increment = parseExpression(); | |
| 3391 check(TOK.TOKrparen); | |
| 3392 } | |
| 3393 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3394 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3395 if (init) | |
| 3396 s = new ScopeStatement(loc, s); | |
| 3397 break; | |
| 3398 } | |
| 3399 | |
| 3400 case TOK.TOKforeach: | |
| 3401 case TOK.TOKforeach_reverse: | |
| 3402 { | |
| 3403 TOK op = token.value; | |
| 3404 Arguments arguments; | |
| 3405 | |
| 3406 Statement d; | |
| 3407 Statement body_; | |
| 3408 Expression aggr; | |
| 3409 | |
| 3410 nextToken(); | |
| 3411 check(TOK.TOKlparen); | |
| 3412 | |
| 3413 arguments = new Arguments(); | |
| 3414 | |
| 3415 while (1) | |
| 3416 { | |
| 3417 Type tb; | |
| 3418 Identifier ai = null; | |
| 3419 Type at; | |
| 3420 STC storageClass = STC.STCundefined; | |
| 3421 Argument a; | |
| 3422 | |
| 3423 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3424 { storageClass = STC.STCref; | |
| 3425 nextToken(); | |
| 3426 } | |
| 3427 if (token.value == TOK.TOKidentifier) | |
| 3428 { | |
| 3429 Token *tt = peek(&token); | |
| 3430 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3431 { ai = token.ident; | |
| 3432 at = null; // infer argument type | |
| 3433 nextToken(); | |
| 3434 goto Larg; | |
| 3435 } | |
| 3436 } | |
| 3437 at = parseType(&ai); | |
| 3438 if (!ai) | |
| 3439 error("no identifier for declarator %s", at.toChars()); | |
| 3440 Larg: | |
| 3441 a = new Argument(storageClass, at, ai, null); | |
| 3442 arguments.push(cast(void*)a); | |
| 3443 if (token.value == TOK.TOKcomma) | |
| 3444 { nextToken(); | |
| 3445 continue; | |
| 3446 } | |
| 3447 break; | |
| 3448 } | |
| 3449 check(TOK.TOKsemicolon); | |
| 3450 | |
| 3451 aggr = parseExpression(); | |
| 3452 if (token.value == TOK.TOKslice && arguments.dim == 1) | |
| 3453 { | |
| 3454 Argument a = cast(Argument)arguments.data[0]; | |
| 3455 delete arguments; | |
| 3456 nextToken(); | |
| 3457 Expression upr = parseExpression(); | |
| 3458 check(TOK.TOKrparen); | |
| 3459 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3460 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); | |
| 3461 } | |
| 3462 else | |
| 3463 { | |
| 3464 check(TOK.TOKrparen); | |
| 3465 body_ = parseStatement(cast(ParseStatementFlags)0); | |
| 3466 s = new ForeachStatement(loc, op, arguments, aggr, body_); | |
| 3467 } | |
| 3468 break; | |
| 3469 } | |
| 3470 | |
| 3471 case TOK.TOKif: | |
| 3472 { Argument arg = null; | |
| 3473 Expression condition2; | |
| 3474 Statement ifbody2; | |
| 3475 Statement elsebody2; | |
| 3476 | |
| 3477 nextToken(); | |
| 3478 check(TOK.TOKlparen); | |
| 3479 | |
| 3480 if (token.value == TOK.TOKauto) | |
| 3481 { | |
| 3482 nextToken(); | |
| 3483 if (token.value == TOK.TOKidentifier) | |
| 3484 { | |
| 3485 Token *tt = peek(&token); | |
| 3486 if (tt.value == TOK.TOKassign) | |
| 3487 { | |
| 3488 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3489 nextToken(); | |
| 3490 nextToken(); | |
| 3491 } | |
| 3492 else | |
| 3493 { error("= expected following auto identifier"); | |
| 3494 goto Lerror; | |
| 3495 } | |
| 3496 } | |
| 3497 else | |
| 3498 { error("identifier expected following auto"); | |
| 3499 goto Lerror; | |
| 3500 } | |
| 3501 } | |
| 3502 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3503 { | |
| 3504 Type at; | |
| 3505 Identifier ai; | |
| 3506 | |
| 3507 at = parseType(&ai); | |
| 3508 check(TOK.TOKassign); | |
| 3509 arg = new Argument(STC.STCundefined, at, ai, null); | |
| 3510 } | |
| 3511 | |
| 3512 // Check for " ident;" | |
| 3513 else if (token.value == TOK.TOKidentifier) | |
| 3514 { | |
| 3515 Token *tt = peek(&token); | |
| 3516 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3517 { | |
| 3518 arg = new Argument(STC.STCundefined, null, token.ident, null); | |
| 3519 nextToken(); | |
| 3520 nextToken(); | |
| 3521 if (1 || !global.params.useDeprecated) | |
| 3522 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3523 } | |
| 3524 } | |
| 3525 | |
| 3526 condition2 = parseExpression(); | |
| 3527 check(TOK.TOKrparen); | |
| 3528 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3529 if (token.value == TOK.TOKelse) | |
| 3530 { | |
| 3531 nextToken(); | |
| 3532 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3533 } | |
| 3534 else | |
| 3535 elsebody2 = null; | |
| 3536 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3537 break; | |
| 3538 } | |
| 3539 | |
| 3540 case TOK.TOKscope: | |
| 3541 if (peek(&token).value != TOK.TOKlparen) | |
| 3542 goto Ldeclaration; // scope used as storage class | |
| 3543 nextToken(); | |
| 3544 check(TOK.TOKlparen); | |
| 3545 if (token.value != TOK.TOKidentifier) | |
| 3546 { error("scope identifier expected"); | |
| 3547 goto Lerror; | |
| 3548 } | |
| 3549 else | |
| 3550 { TOK tt = TOK.TOKon_scope_exit; | |
| 3551 Identifier id = token.ident; | |
| 3552 | |
| 3553 if (id == Id.exit) | |
| 3554 tt = TOK.TOKon_scope_exit; | |
| 3555 else if (id == Id.failure) | |
| 3556 tt = TOK.TOKon_scope_failure; | |
| 3557 else if (id == Id.success) | |
| 3558 tt = TOK.TOKon_scope_success; | |
| 3559 else | |
| 3560 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3561 nextToken(); | |
| 3562 check(TOK.TOKrparen); | |
| 3563 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3564 s = new OnScopeStatement(loc, tt, st); | |
| 3565 break; | |
| 3566 } | |
| 3567 | |
| 3568 case TOK.TOKdebug: | |
| 3569 nextToken(); | |
| 3570 condition = parseDebugCondition(); | |
| 3571 goto Lcondition; | |
| 3572 | |
| 3573 case TOK.TOKversion: | |
| 3574 nextToken(); | |
| 3575 condition = parseVersionCondition(); | |
| 3576 goto Lcondition; | |
| 3577 | |
| 3578 Lcondition: | |
| 3579 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3580 elsebody = null; | |
| 3581 if (token.value == TOK.TOKelse) | |
| 3582 { | |
| 3583 nextToken(); | |
| 3584 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3585 } | |
| 3586 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3587 break; | |
| 3588 | |
| 3589 case TOK.TOKpragma: | |
| 3590 { Identifier ident; | |
| 3591 Expressions args = null; | |
| 3592 Statement body_; | |
| 3593 | |
| 3594 nextToken(); | |
| 3595 check(TOK.TOKlparen); | |
| 3596 if (token.value != TOK.TOKidentifier) | |
| 3597 { error("pragma(identifier expected"); | |
| 3598 goto Lerror; | |
| 3599 } | |
| 3600 ident = token.ident; | |
| 3601 nextToken(); | |
| 3602 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3603 args = parseArguments(); // pragma(identifier, args...); | |
| 3604 else | |
| 3605 check(TOK.TOKrparen); // pragma(identifier); | |
| 3606 if (token.value == TOK.TOKsemicolon) | |
| 3607 { nextToken(); | |
| 3608 body_ = null; | |
| 3609 } | |
| 3610 else | |
| 3611 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3612 s = new PragmaStatement(loc, ident, args, body_); | |
| 3613 break; | |
| 3614 } | |
| 3615 | |
| 3616 case TOK.TOKswitch: | |
| 3617 isfinal = false; | |
| 3618 goto Lswitch; | |
| 3619 | |
| 3620 Lswitch: | |
| 3621 { | |
| 3622 nextToken(); | |
| 3623 check(TOK.TOKlparen); | |
| 3624 Expression condition2 = parseExpression(); | |
| 3625 check(TOK.TOKrparen); | |
| 3626 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3627 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3628 break; | |
| 3629 } | |
| 3630 | |
| 3631 case TOK.TOKcase: | |
| 3632 { Expression exp; | |
| 3633 Statements statements; | |
| 3634 scope Array cases = new Array(); // array of Expression's | |
| 3635 Expression last = null; | |
| 3636 | |
| 3637 while (1) | |
| 3638 { | |
| 3639 nextToken(); | |
| 3640 exp = parseAssignExp(); | |
| 3641 cases.push(cast(void*)exp); | |
| 3642 if (token.value != TOK.TOKcomma) | |
| 3643 break; | |
| 3644 } | |
| 3645 check(TOK.TOKcolon); | |
| 3646 | |
| 3647 version (DMDV2) { | |
| 3648 /* case exp: .. case last: | |
| 3649 */ | |
| 3650 if (token.value == TOK.TOKslice) | |
| 3651 { | |
| 3652 if (cases.dim > 1) | |
| 3653 error("only one case allowed for start of case range"); | |
| 3654 nextToken(); | |
| 3655 check(TOK.TOKcase); | |
| 3656 last = parseAssignExp(); | |
| 3657 check(TOK.TOKcolon); | |
| 3658 } | |
| 3659 } | |
| 3660 | |
| 3661 statements = new Statements(); | |
| 3662 while (token.value != TOK.TOKcase && | |
| 3663 token.value != TOK.TOKdefault && | |
| 79 | 3664 token.value != TOKeof && |
| 0 | 3665 token.value != TOK.TOKrcurly) |
| 3666 { | |
| 3667 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3668 } | |
| 3669 s = new CompoundStatement(loc, statements); | |
| 3670 s = new ScopeStatement(loc, s); | |
| 3671 | |
| 3672 ///version (DMDV2) { | |
| 3673 if (last) | |
| 3674 { | |
| 3675 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3676 } | |
| 3677 else | |
| 3678 ///} | |
| 3679 { | |
| 3680 // Keep cases in order by building the case statements backwards | |
| 3681 for (int i = cases.dim; i; i--) | |
| 3682 { | |
| 3683 exp = cast(Expression)cases.data[i - 1]; | |
| 3684 s = new CaseStatement(loc, exp, s); | |
| 3685 } | |
| 3686 } | |
| 3687 break; | |
| 3688 } | |
| 3689 | |
| 3690 case TOK.TOKdefault: | |
| 3691 { | |
| 3692 Statements statements; | |
| 3693 | |
| 3694 nextToken(); | |
| 3695 check(TOK.TOKcolon); | |
| 3696 | |
| 3697 statements = new Statements(); | |
| 3698 while (token.value != TOK.TOKcase && | |
| 3699 token.value != TOK.TOKdefault && | |
| 79 | 3700 token.value != TOKeof && |
| 0 | 3701 token.value != TOK.TOKrcurly) |
| 3702 { | |
| 3703 statements.push(cast(void*)parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); | |
| 3704 } | |
| 3705 s = new CompoundStatement(loc, statements); | |
| 3706 s = new ScopeStatement(loc, s); | |
| 3707 s = new DefaultStatement(loc, s); | |
| 3708 break; | |
| 3709 } | |
| 3710 | |
| 3711 case TOK.TOKreturn: | |
| 3712 { Expression exp; | |
| 3713 | |
| 3714 nextToken(); | |
| 3715 if (token.value == TOK.TOKsemicolon) | |
| 3716 exp = null; | |
| 3717 else | |
| 3718 exp = parseExpression(); | |
| 3719 check(TOK.TOKsemicolon, "return statement"); | |
| 3720 s = new ReturnStatement(loc, exp); | |
| 3721 break; | |
| 3722 } | |
| 3723 | |
| 3724 case TOK.TOKbreak: | |
| 3725 { Identifier ident; | |
| 3726 | |
| 3727 nextToken(); | |
| 3728 if (token.value == TOK.TOKidentifier) | |
| 3729 { ident = token.ident; | |
| 3730 nextToken(); | |
| 3731 } | |
| 3732 else | |
| 3733 ident = null; | |
| 3734 check(TOK.TOKsemicolon, "break statement"); | |
| 3735 s = new BreakStatement(loc, ident); | |
| 3736 break; | |
| 3737 } | |
| 3738 | |
| 3739 case TOK.TOKcontinue: | |
| 3740 { Identifier ident; | |
| 3741 | |
| 3742 nextToken(); | |
| 3743 if (token.value == TOK.TOKidentifier) | |
| 3744 { ident = token.ident; | |
| 3745 nextToken(); | |
| 3746 } | |
| 3747 else | |
| 3748 ident = null; | |
| 3749 check(TOK.TOKsemicolon, "continue statement"); | |
| 3750 s = new ContinueStatement(loc, ident); | |
| 3751 break; | |
| 3752 } | |
| 3753 | |
| 3754 case TOK.TOKgoto: | |
| 3755 { Identifier ident; | |
| 3756 | |
| 3757 nextToken(); | |
| 3758 if (token.value == TOK.TOKdefault) | |
| 3759 { | |
| 3760 nextToken(); | |
| 3761 s = new GotoDefaultStatement(loc); | |
| 3762 } | |
| 3763 else if (token.value == TOK.TOKcase) | |
| 3764 { | |
| 3765 Expression exp = null; | |
| 3766 | |
| 3767 nextToken(); | |
| 3768 if (token.value != TOK.TOKsemicolon) | |
| 3769 exp = parseExpression(); | |
| 3770 s = new GotoCaseStatement(loc, exp); | |
| 3771 } | |
| 3772 else | |
| 3773 { | |
| 3774 if (token.value != TOK.TOKidentifier) | |
| 3775 { error("Identifier expected following goto"); | |
| 3776 ident = null; | |
| 3777 } | |
| 3778 else | |
| 3779 { ident = token.ident; | |
| 3780 nextToken(); | |
| 3781 } | |
| 3782 s = new GotoStatement(loc, ident); | |
| 3783 } | |
| 3784 check(TOK.TOKsemicolon, "goto statement"); | |
| 3785 break; | |
| 3786 } | |
| 3787 | |
| 3788 case TOK.TOKsynchronized: | |
| 3789 { Expression exp; | |
| 3790 Statement body_; | |
| 3791 | |
| 3792 nextToken(); | |
| 3793 if (token.value == TOK.TOKlparen) | |
| 3794 { | |
| 3795 nextToken(); | |
| 3796 exp = parseExpression(); | |
| 3797 check(TOK.TOKrparen); | |
| 3798 } | |
| 3799 else | |
| 3800 exp = null; | |
| 3801 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3802 s = new SynchronizedStatement(loc, exp, body_); | |
| 3803 break; | |
| 3804 } | |
| 3805 | |
| 3806 case TOK.TOKwith: | |
| 3807 { Expression exp; | |
| 3808 Statement body_; | |
| 3809 | |
| 3810 nextToken(); | |
| 3811 check(TOK.TOKlparen); | |
| 3812 exp = parseExpression(); | |
| 3813 check(TOK.TOKrparen); | |
| 3814 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3815 s = new WithStatement(loc, exp, body_); | |
| 3816 break; | |
| 3817 } | |
| 3818 | |
| 3819 case TOK.TOKtry: | |
| 3820 { Statement body_; | |
| 3821 Array catches = null; | |
| 3822 Statement finalbody = null; | |
| 3823 | |
| 3824 nextToken(); | |
| 3825 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3826 while (token.value == TOK.TOKcatch) | |
| 3827 { | |
| 3828 Statement handler; | |
| 3829 Catch c; | |
| 3830 Type tt; | |
| 3831 Identifier id; | |
| 3832 Loc loc2 = this.loc; | |
| 3833 | |
| 3834 nextToken(); | |
| 3835 if (token.value == TOK.TOKlcurly) | |
| 3836 { | |
| 3837 tt = null; | |
| 3838 id = null; | |
| 3839 } | |
| 3840 else | |
| 3841 { | |
| 3842 check(TOK.TOKlparen); | |
| 3843 id = null; | |
| 3844 tt = parseType(&id); | |
| 3845 check(TOK.TOKrparen); | |
| 3846 } | |
| 3847 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3848 c = new Catch(loc2, tt, id, handler); | |
| 3849 if (!catches) | |
| 3850 catches = new Array(); | |
| 3851 catches.push(cast(void*)c); | |
| 3852 } | |
| 3853 | |
| 3854 if (token.value == TOK.TOKfinally) | |
| 3855 { nextToken(); | |
| 3856 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3857 } | |
| 3858 | |
| 3859 s = body_; | |
| 3860 if (!catches && !finalbody) | |
| 3861 error("catch or finally expected following try"); | |
| 3862 else | |
| 3863 { if (catches) | |
| 3864 s = new TryCatchStatement(loc, body_, catches); | |
| 3865 if (finalbody) | |
| 3866 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3867 } | |
| 3868 break; | |
| 3869 } | |
| 3870 | |
| 3871 case TOK.TOKthrow: | |
| 3872 { Expression exp; | |
| 3873 | |
| 3874 nextToken(); | |
| 3875 exp = parseExpression(); | |
| 3876 check(TOK.TOKsemicolon, "throw statement"); | |
| 3877 s = new ThrowStatement(loc, exp); | |
| 3878 break; | |
| 3879 } | |
| 3880 | |
| 3881 case TOK.TOKvolatile: | |
| 3882 nextToken(); | |
| 3883 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3884 version (DMDV2) { | |
| 3885 if (!global.params.useDeprecated) | |
| 3886 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3887 } | |
| 3888 s = new VolatileStatement(loc, s); | |
| 3889 break; | |
| 3890 | |
| 3891 case TOK.TOKasm: | |
| 3892 { Statements statements; | |
| 3893 Identifier label; | |
| 3894 Loc labelloc; | |
| 3895 Token* toklist; | |
| 3896 Token** ptoklist; | |
| 3897 | |
| 3898 // Parse the asm block into a sequence of AsmStatements, | |
| 3899 // each AsmStatement is one instruction. | |
| 3900 // Separate out labels. | |
| 3901 // Defer parsing of AsmStatements until semantic processing. | |
| 3902 | |
| 3903 nextToken(); | |
| 3904 check(TOK.TOKlcurly); | |
| 3905 toklist = null; | |
| 3906 ptoklist = &toklist; | |
| 3907 label = null; | |
| 3908 statements = new Statements(); | |
| 3909 while (1) | |
| 3910 { | |
| 3911 switch (token.value) | |
| 3912 { | |
| 3913 case TOK.TOKidentifier: | |
| 3914 if (!toklist) | |
| 3915 { | |
| 3916 // Look ahead to see if it is a label | |
| 3917 t = peek(&token); | |
| 3918 if (t.value == TOK.TOKcolon) | |
| 3919 { // It's a label | |
| 3920 label = token.ident; | |
| 3921 labelloc = this.loc; | |
| 3922 nextToken(); | |
| 3923 nextToken(); | |
| 3924 continue; | |
| 3925 } | |
| 3926 } | |
| 3927 goto Ldefault; | |
| 3928 | |
| 3929 case TOK.TOKrcurly: | |
| 3930 if (toklist || label) | |
| 3931 { | |
| 3932 error("asm statements must end in ';'"); | |
| 3933 } | |
| 3934 break; | |
| 3935 | |
| 3936 case TOK.TOKsemicolon: | |
| 3937 s = null; | |
| 3938 if (toklist || label) | |
| 3939 { // Create AsmStatement from list of tokens we've saved | |
| 3940 s = new AsmStatement(this.loc, toklist); | |
| 3941 toklist = null; | |
| 3942 ptoklist = &toklist; | |
| 3943 if (label) | |
| 3944 { | |
| 3945 s = new LabelStatement(labelloc, label, s); | |
| 3946 label = null; | |
| 3947 } | |
| 3948 statements.push(cast(void*)s); | |
| 3949 } | |
| 3950 nextToken(); | |
| 3951 continue; | |
| 3952 | |
| 3953 case TOK.TOKeof: | |
| 3954 /* { */ | |
| 3955 error("matching '}' expected, not end of file"); | |
| 3956 break; | |
| 3957 | |
| 3958 default: | |
| 3959 Ldefault: | |
| 3960 *ptoklist = new Token(); | |
| 3961 memcpy(*ptoklist, &token, Token.sizeof); | |
| 3962 ptoklist = &(*ptoklist).next; | |
| 3963 *ptoklist = null; | |
| 3964 | |
| 3965 nextToken(); | |
| 3966 continue; | |
| 3967 } | |
| 3968 break; | |
| 3969 } | |
| 3970 s = new CompoundStatement(loc, statements); | |
| 3971 nextToken(); | |
| 3972 break; | |
| 3973 } | |
| 3974 | |
| 3975 default: | |
| 3976 error("found '%s' instead of statement", token.toChars()); | |
| 3977 goto Lerror; | |
| 3978 | |
| 3979 Lerror: | |
| 3980 while (token.value != TOK.TOKrcurly && | |
| 3981 token.value != TOK.TOKsemicolon && | |
| 3982 token.value != TOK.TOKeof) | |
| 3983 nextToken(); | |
| 3984 if (token.value == TOK.TOKsemicolon) | |
| 3985 nextToken(); | |
| 3986 s = null; | |
| 3987 break; | |
| 3988 } | |
| 3989 | |
| 3990 return s; | |
| 3991 } | |
| 3992 | |
| 3993 /***************************************** | |
| 3994 * Parse initializer for variable declaration. | |
| 3995 */ | |
| 3996 Initializer parseInitializer() | |
| 3997 { | |
| 3998 StructInitializer is_; | |
| 3999 ArrayInitializer ia; | |
| 4000 ExpInitializer ie; | |
| 4001 Expression e; | |
| 4002 Identifier id; | |
| 4003 Initializer value; | |
| 4004 int comma; | |
| 4005 Loc loc = this.loc; | |
| 4006 Token* t; | |
| 4007 int braces; | |
| 4008 int brackets; | |
| 4009 | |
| 4010 switch (token.value) | |
| 4011 { | |
| 4012 case TOK.TOKlcurly: | |
| 4013 /* Scan ahead to see if it is a struct initializer or | |
| 4014 * a function literal. | |
| 4015 * If it contains a ';', it is a function literal. | |
| 4016 * Treat { } as a struct initializer. | |
| 4017 */ | |
| 4018 braces = 1; | |
| 4019 for (t = peek(&token); 1; t = peek(t)) | |
| 4020 { | |
| 4021 switch (t.value) | |
| 4022 { | |
| 4023 case TOK.TOKsemicolon: | |
| 4024 case TOK.TOKreturn: | |
| 4025 goto Lexpression; | |
| 4026 | |
| 4027 case TOK.TOKlcurly: | |
| 4028 braces++; | |
| 4029 continue; | |
| 4030 | |
| 4031 case TOK.TOKrcurly: | |
| 4032 if (--braces == 0) | |
| 4033 break; | |
| 4034 continue; | |
| 4035 | |
| 4036 case TOK.TOKeof: | |
| 4037 break; | |
| 4038 | |
| 4039 default: | |
| 4040 continue; | |
| 4041 } | |
| 4042 break; | |
| 4043 } | |
| 4044 | |
| 4045 is_ = new StructInitializer(loc); | |
| 4046 nextToken(); | |
| 4047 comma = 0; | |
| 4048 while (1) | |
| 4049 { | |
| 4050 switch (token.value) | |
| 4051 { | |
| 4052 case TOK.TOKidentifier: | |
| 4053 if (comma == 1) | |
| 4054 error("comma expected separating field initializers"); | |
| 4055 t = peek(&token); | |
| 4056 if (t.value == TOK.TOKcolon) | |
| 4057 { | |
| 4058 id = token.ident; | |
| 4059 nextToken(); | |
| 4060 nextToken(); // skip over ':' | |
| 4061 } | |
| 4062 else | |
| 4063 { | |
| 4064 id = null; | |
| 4065 } | |
| 4066 value = parseInitializer(); | |
| 4067 is_.addInit(id, value); | |
| 4068 comma = 1; | |
| 4069 continue; | |
| 4070 | |
| 4071 case TOK.TOKcomma: | |
| 4072 nextToken(); | |
| 4073 comma = 2; | |
| 4074 continue; | |
| 4075 | |
| 4076 case TOK.TOKrcurly: // allow trailing comma's | |
| 4077 nextToken(); | |
| 4078 break; | |
| 4079 | |
| 4080 case TOK.TOKeof: | |
| 4081 error("found EOF instead of initializer"); | |
| 4082 break; | |
| 4083 | |
| 4084 default: | |
| 4085 value = parseInitializer(); | |
| 4086 is_.addInit(null, value); | |
| 4087 comma = 1; | |
| 4088 continue; | |
| 4089 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4090 //break; | |
| 4091 } | |
| 4092 break; | |
| 4093 } | |
| 4094 return is_; | |
| 4095 | |
| 4096 case TOK.TOKlbracket: | |
| 4097 /* Scan ahead to see if it is an array initializer or | |
| 4098 * an expression. | |
| 4099 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4100 */ | |
| 4101 brackets = 1; | |
| 4102 for (t = peek(&token); 1; t = peek(t)) | |
| 4103 { | |
| 4104 switch (t.value) | |
| 4105 { | |
| 4106 case TOK.TOKlbracket: | |
| 4107 brackets++; | |
| 4108 continue; | |
| 4109 | |
| 4110 case TOK.TOKrbracket: | |
| 4111 if (--brackets == 0) | |
| 4112 { | |
| 4113 t = peek(t); | |
| 4114 if (t.value != TOK.TOKsemicolon && | |
| 4115 t.value != TOK.TOKcomma && | |
| 4116 t.value != TOK.TOKrcurly) | |
| 4117 goto Lexpression; | |
| 4118 break; | |
| 4119 } | |
| 4120 continue; | |
| 4121 | |
| 4122 case TOK.TOKeof: | |
| 4123 break; | |
| 4124 | |
| 4125 default: | |
| 4126 continue; | |
| 4127 } | |
| 4128 break; | |
| 4129 } | |
| 4130 | |
| 4131 ia = new ArrayInitializer(loc); | |
| 4132 nextToken(); | |
| 4133 comma = 0; | |
| 4134 while (true) | |
| 4135 { | |
| 4136 switch (token.value) | |
| 4137 { | |
| 4138 default: | |
| 4139 if (comma == 1) | |
| 4140 { | |
| 4141 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4142 nextToken(); | |
| 4143 break; | |
| 4144 } | |
| 4145 e = parseAssignExp(); | |
| 4146 if (!e) | |
| 4147 break; | |
| 4148 if (token.value == TOK.TOKcolon) | |
| 4149 { | |
| 4150 nextToken(); | |
| 4151 value = parseInitializer(); | |
| 4152 } | |
| 4153 else | |
| 4154 { value = new ExpInitializer(e.loc, e); | |
| 4155 e = null; | |
| 4156 } | |
| 4157 ia.addInit(e, value); | |
| 4158 comma = 1; | |
| 4159 continue; | |
| 4160 | |
| 4161 case TOK.TOKlcurly: | |
| 4162 case TOK.TOKlbracket: | |
| 4163 if (comma == 1) | |
| 4164 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4165 value = parseInitializer(); | |
| 4166 ia.addInit(null, value); | |
| 4167 comma = 1; | |
| 4168 continue; | |
| 4169 | |
| 4170 case TOK.TOKcomma: | |
| 4171 nextToken(); | |
| 4172 comma = 2; | |
| 4173 continue; | |
| 4174 | |
| 4175 case TOK.TOKrbracket: // allow trailing comma's | |
| 4176 nextToken(); | |
| 4177 break; | |
| 4178 | |
| 4179 case TOK.TOKeof: | |
| 4180 error("found '%s' instead of array initializer", token.toChars()); | |
| 4181 break; | |
| 4182 } | |
| 4183 break; | |
| 4184 } | |
| 4185 return ia; | |
| 4186 | |
| 4187 case TOK.TOKvoid: | |
| 4188 t = peek(&token); | |
| 4189 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4190 { | |
| 4191 nextToken(); | |
| 4192 return new VoidInitializer(loc); | |
| 4193 } | |
| 4194 goto Lexpression; | |
| 4195 | |
| 4196 default: | |
| 4197 Lexpression: | |
| 4198 e = parseAssignExp(); | |
| 4199 ie = new ExpInitializer(loc, e); | |
| 4200 return ie; | |
| 4201 } | |
| 4202 } | |
| 4203 | |
| 4204 /***************************************** | |
| 4205 * Parses default argument initializer expression that is an assign expression, | |
| 4206 * with special handling for __FILE__ and __LINE__. | |
| 4207 */ | |
| 4208 version (DMDV2) { | |
| 4209 Expression parseDefaultInitExp() | |
| 4210 { | |
| 4211 if (token.value == TOK.TOKfile || | |
| 4212 token.value == TOK.TOKline) | |
| 4213 { | |
| 4214 Token* t = peek(&token); | |
| 4215 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4216 { | |
| 4217 Expression e; | |
| 4218 | |
| 4219 if (token.value == TOK.TOKfile) | |
| 4220 e = new FileInitExp(loc); | |
| 4221 else | |
| 4222 e = new LineInitExp(loc); | |
| 4223 nextToken(); | |
| 4224 return e; | |
| 4225 } | |
| 4226 } | |
| 4227 | |
| 4228 Expression e = parseAssignExp(); | |
| 4229 return e; | |
| 4230 } | |
| 4231 } | |
| 4232 void check(Loc loc, TOK value) | |
| 4233 { | |
| 4234 if (token.value != value) | |
| 4235 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4236 nextToken(); | |
| 4237 } | |
| 4238 | |
| 4239 void check(TOK value) | |
| 4240 { | |
| 4241 check(loc, value); | |
| 4242 } | |
| 4243 | |
| 4244 void check(TOK value, string string_) | |
| 4245 { | |
| 4246 if (token.value != value) { | |
| 4247 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4248 } | |
| 4249 nextToken(); | |
| 4250 } | |
| 4251 | |
| 4252 /************************************ | |
| 4253 * Determine if the scanner is sitting on the start of a declaration. | |
| 4254 * Input: | |
| 4255 * needId 0 no identifier | |
| 4256 * 1 identifier optional | |
| 4257 * 2 must have identifier | |
| 4258 * Output: | |
| 4259 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4260 */ | |
| 4261 | |
| 4262 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4263 { | |
| 4264 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4265 int haveId = 0; | |
| 4266 | |
| 4267 version (DMDV2) { | |
| 4268 if ((t.value == TOK.TOKconst || | |
| 4269 t.value == TOK.TOKinvariant || | |
| 4270 t.value == TOK.TOKimmutable || | |
| 4271 t.value == TOK.TOKshared) && | |
| 4272 peek(t).value != TOK.TOKlparen) | |
| 4273 { | |
| 4274 /* const type | |
| 4275 * immutable type | |
| 4276 * shared type | |
| 4277 */ | |
| 4278 t = peek(t); | |
| 4279 } | |
| 4280 } | |
| 4281 | |
| 4282 if (!isBasicType(&t)) | |
| 4283 { | |
| 4284 goto Lisnot; | |
| 4285 } | |
| 4286 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4287 goto Lisnot; | |
| 4288 if ( needId == 1 || | |
| 4289 (needId == 0 && !haveId) || | |
| 4290 (needId == 2 && haveId)) | |
| 4291 { | |
| 4292 if (pt) | |
| 4293 *pt = t; | |
| 4294 goto Lis; | |
| 4295 } | |
| 4296 else | |
| 4297 goto Lisnot; | |
| 4298 | |
| 4299 Lis: | |
| 4300 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4301 return true; | |
| 4302 | |
| 4303 Lisnot: | |
| 4304 //printf("\tis not declaration\n"); | |
| 4305 return false; | |
| 4306 } | |
| 4307 | |
| 4308 bool isBasicType(Token** pt) | |
| 4309 { | |
| 4310 // This code parallels parseBasicType() | |
| 4311 Token* t = *pt; | |
| 4312 Token* t2; | |
| 4313 int parens; | |
| 4314 int haveId = 0; | |
| 4315 | |
| 4316 switch (t.value) | |
| 4317 { | |
| 4318 case TOKwchar: | |
| 4319 case TOKdchar: | |
| 4320 case TOKbit: | |
| 4321 case TOKbool: | |
| 4322 case TOKchar: | |
| 4323 case TOKint8: | |
| 4324 case TOKuns8: | |
| 4325 case TOKint16: | |
| 4326 case TOKuns16: | |
| 4327 case TOKint32: | |
| 4328 case TOKuns32: | |
| 4329 case TOKint64: | |
| 4330 case TOKuns64: | |
| 4331 case TOKfloat32: | |
| 4332 case TOKfloat64: | |
| 4333 case TOKfloat80: | |
| 4334 case TOKimaginary32: | |
| 4335 case TOKimaginary64: | |
| 4336 case TOKimaginary80: | |
| 4337 case TOKcomplex32: | |
| 4338 case TOKcomplex64: | |
| 4339 case TOKcomplex80: | |
| 4340 case TOKvoid: | |
| 4341 t = peek(t); | |
| 4342 break; | |
| 4343 | |
| 4344 case TOK.TOKidentifier: | |
| 4345 L5: | |
| 4346 t = peek(t); | |
| 4347 if (t.value == TOK.TOKnot) | |
| 4348 { | |
| 4349 goto L4; | |
| 4350 } | |
| 4351 goto L3; | |
| 4352 while (1) | |
| 4353 { | |
| 4354 L2: | |
| 4355 t = peek(t); | |
| 4356 L3: | |
| 4357 if (t.value == TOK.TOKdot) | |
| 4358 { | |
| 4359 Ldot: | |
| 4360 t = peek(t); | |
| 4361 if (t.value != TOK.TOKidentifier) | |
| 4362 goto Lfalse; | |
| 4363 t = peek(t); | |
| 4364 if (t.value != TOK.TOKnot) | |
| 4365 goto L3; | |
| 4366 L4: | |
| 4367 /* Seen a ! | |
| 4368 * Look for: | |
| 4369 * !( args ), !identifier, etc. | |
| 4370 */ | |
| 4371 t = peek(t); | |
| 4372 switch (t.value) | |
| 4373 { case TOK.TOKidentifier: | |
| 4374 goto L5; | |
| 4375 case TOK.TOKlparen: | |
| 4376 if (!skipParens(t, &t)) | |
| 4377 goto Lfalse; | |
| 4378 break; | |
| 4379 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4380 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4381 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4382 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4383 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4384 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4385 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4386 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4387 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4388 case TOK.TOKvoid: | |
| 4389 case TOK.TOKint32v: | |
| 4390 case TOK.TOKuns32v: | |
| 4391 case TOK.TOKint64v: | |
| 4392 case TOK.TOKuns64v: | |
| 4393 case TOK.TOKfloat32v: | |
| 4394 case TOK.TOKfloat64v: | |
| 4395 case TOK.TOKfloat80v: | |
| 4396 case TOK.TOKimaginary32v: | |
| 4397 case TOK.TOKimaginary64v: | |
| 4398 case TOK.TOKimaginary80v: | |
| 4399 case TOK.TOKnull: | |
| 4400 case TOK.TOKtrue: | |
| 4401 case TOK.TOKfalse: | |
| 4402 case TOK.TOKcharv: | |
| 4403 case TOK.TOKwcharv: | |
| 4404 case TOK.TOKdcharv: | |
| 4405 case TOK.TOKstring: | |
| 4406 case TOK.TOKfile: | |
| 4407 case TOK.TOKline: | |
| 4408 goto L2; | |
| 4409 default: | |
| 4410 goto Lfalse; | |
| 4411 } | |
| 4412 } | |
| 4413 else | |
| 4414 break; | |
| 4415 } | |
| 4416 break; | |
| 4417 | |
| 4418 case TOK.TOKdot: | |
| 4419 goto Ldot; | |
| 4420 | |
| 4421 case TOK.TOKtypeof: | |
| 4422 /* typeof(exp).identifier... | |
| 4423 */ | |
| 4424 t = peek(t); | |
| 4425 if (t.value != TOK.TOKlparen) | |
| 4426 goto Lfalse; | |
| 4427 if (!skipParens(t, &t)) | |
| 4428 goto Lfalse; | |
| 4429 goto L2; | |
| 4430 | |
| 4431 case TOK.TOKconst: | |
| 4432 case TOK.TOKinvariant: | |
| 4433 case TOK.TOKimmutable: | |
| 4434 case TOK.TOKshared: | |
| 4435 // const(type) or immutable(type) or shared(type) | |
| 4436 t = peek(t); | |
| 4437 if (t.value != TOK.TOKlparen) | |
| 4438 goto Lfalse; | |
| 4439 t = peek(t); | |
| 4440 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4441 { | |
| 4442 goto Lfalse; | |
| 4443 } | |
| 4444 t = peek(t); | |
| 4445 break; | |
| 4446 | |
| 4447 default: | |
| 4448 goto Lfalse; | |
| 4449 } | |
| 4450 *pt = t; | |
| 4451 //printf("is\n"); | |
| 4452 return true; | |
| 4453 | |
| 4454 Lfalse: | |
| 4455 //printf("is not\n"); | |
| 4456 return false; | |
| 4457 } | |
| 4458 | |
| 4459 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4460 { | |
| 4461 // This code parallels parseDeclarator() | |
| 4462 Token* t = *pt; | |
| 4463 bool parens; | |
| 4464 | |
| 4465 //printf("Parser.isDeclarator()\n"); | |
| 4466 //t.print(); | |
| 4467 if (t.value == TOK.TOKassign) | |
| 4468 return false; | |
| 4469 | |
| 4470 while (true) | |
| 4471 { | |
| 4472 parens = false; | |
| 4473 switch (t.value) | |
| 4474 { | |
| 4475 case TOK.TOKmul: | |
| 4476 //case TOKand: | |
| 4477 t = peek(t); | |
| 4478 continue; | |
| 4479 | |
| 4480 case TOK.TOKlbracket: | |
| 4481 t = peek(t); | |
| 4482 if (t.value == TOK.TOKrbracket) | |
| 4483 { | |
| 4484 t = peek(t); | |
| 4485 } | |
| 79 | 4486 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4487 { | |
| 4488 t = peek(t); | |
| 4489 t = peek(t); | |
| 4490 } | |
| 0 | 4491 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4492 { | |
| 4493 // It's an associative array declaration | |
| 4494 t = peek(t); | |
| 4495 } | |
| 4496 else | |
| 4497 { | |
| 4498 // [ expression ] | |
| 4499 // [ expression .. expression ] | |
| 4500 if (!isExpression(&t)) | |
| 4501 return false; | |
| 4502 if (t.value == TOK.TOKslice) | |
| 4503 { | |
| 4504 t = peek(t); | |
| 4505 if (!isExpression(&t)) | |
| 4506 return false; | |
| 4507 } | |
| 4508 if (t.value != TOK.TOKrbracket) | |
| 4509 return false; | |
| 4510 t = peek(t); | |
| 4511 } | |
| 4512 continue; | |
| 4513 | |
| 4514 case TOK.TOKidentifier: | |
| 4515 if (*haveId) | |
| 4516 return false; | |
| 4517 *haveId = true; | |
| 4518 t = peek(t); | |
| 4519 break; | |
| 4520 | |
| 4521 case TOK.TOKlparen: | |
| 4522 t = peek(t); | |
| 4523 | |
| 4524 if (t.value == TOK.TOKrparen) | |
| 4525 return false; // () is not a declarator | |
| 4526 | |
| 4527 /* Regard ( identifier ) as not a declarator | |
| 4528 * BUG: what about ( *identifier ) in | |
| 4529 * f(*p)(x); | |
| 4530 * where f is a class instance with overloaded () ? | |
| 4531 * Should we just disallow C-style function pointer declarations? | |
| 4532 */ | |
| 4533 if (t.value == TOK.TOKidentifier) | |
| 4534 { | |
| 4535 Token *t2 = peek(t); | |
| 4536 if (t2.value == TOK.TOKrparen) | |
| 4537 return false; | |
| 4538 } | |
| 4539 | |
| 4540 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4541 return false; | |
| 4542 t = peek(t); | |
| 4543 parens = true; | |
| 4544 break; | |
| 4545 | |
| 4546 case TOK.TOKdelegate: | |
| 4547 case TOK.TOKfunction: | |
| 4548 t = peek(t); | |
| 4549 if (!isParameters(&t)) | |
| 4550 return false; | |
| 4551 continue; | |
| 4552 default: | |
| 4553 break; /// | |
| 4554 } | |
| 4555 break; | |
| 4556 } | |
| 4557 | |
| 4558 while (1) | |
| 4559 { | |
| 4560 switch (t.value) | |
| 4561 { | |
| 4562 version (CARRAYDECL) { | |
| 4563 case TOK.TOKlbracket: | |
| 4564 parens = false; | |
| 4565 t = peek(t); | |
| 4566 if (t.value == TOK.TOKrbracket) | |
| 4567 { | |
| 4568 t = peek(t); | |
| 4569 } | |
| 4570 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4571 { | |
| 4572 // It's an associative array declaration | |
| 4573 t = peek(t); | |
| 4574 } | |
| 4575 else | |
| 4576 { | |
| 4577 // [ expression ] | |
| 4578 if (!isExpression(&t)) | |
| 4579 return false; | |
| 4580 if (t.value != TOK.TOKrbracket) | |
| 4581 return false; | |
| 4582 t = peek(t); | |
| 4583 } | |
| 4584 continue; | |
| 4585 } | |
| 4586 | |
| 4587 case TOK.TOKlparen: | |
| 4588 parens = false; | |
| 4589 if (!isParameters(&t)) | |
| 4590 return false; | |
| 4591 version (DMDV2) { | |
| 4592 while (true) | |
| 4593 { | |
| 4594 switch (t.value) | |
| 4595 { | |
| 4596 case TOK.TOKconst: | |
| 4597 case TOK.TOKinvariant: | |
| 4598 case TOK.TOKimmutable: | |
| 4599 case TOK.TOKshared: | |
| 4600 case TOK.TOKpure: | |
| 4601 case TOK.TOKnothrow: | |
| 4602 t = peek(t); | |
| 4603 continue; | |
| 4604 case TOK.TOKat: | |
| 4605 t = peek(t); // skip '@' | |
| 4606 t = peek(t); // skip identifier | |
| 4607 continue; | |
| 4608 default: | |
| 4609 break; | |
| 4610 } | |
| 4611 break; | |
| 4612 } | |
| 4613 } | |
| 4614 continue; | |
| 4615 | |
| 4616 // Valid tokens that follow a declaration | |
| 4617 case TOK.TOKrparen: | |
| 4618 case TOK.TOKrbracket: | |
| 4619 case TOK.TOKassign: | |
| 4620 case TOK.TOKcomma: | |
| 4621 case TOK.TOKsemicolon: | |
| 4622 case TOK.TOKlcurly: | |
| 4623 case TOK.TOKin: | |
| 4624 // The !parens is to disallow unnecessary parentheses | |
| 4625 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4626 { | |
| 4627 *pt = t; | |
| 4628 return true; | |
| 4629 } | |
| 4630 return false; | |
| 4631 | |
| 4632 default: | |
| 4633 return false; | |
| 4634 } | |
| 4635 } | |
| 4636 } | |
| 4637 | |
| 4638 bool isParameters(Token** pt) | |
| 4639 { | |
| 4640 // This code parallels parseParameters() | |
| 4641 Token* t = *pt; | |
| 4642 | |
| 4643 //printf("isParameters()\n"); | |
| 4644 if (t.value != TOKlparen) | |
| 4645 return false; | |
| 4646 | |
| 4647 t = peek(t); | |
| 4648 for (;1; t = peek(t)) | |
| 4649 { | |
| 4650 L1: | |
| 4651 switch (t.value) | |
| 4652 { | |
| 4653 case TOKrparen: | |
| 4654 break; | |
| 4655 | |
| 4656 case TOKdotdotdot: | |
| 4657 t = peek(t); | |
| 4658 break; | |
| 4659 | |
| 4660 case TOKin: | |
| 4661 case TOKout: | |
| 4662 case TOKinout: | |
| 4663 case TOKref: | |
| 4664 case TOKlazy: | |
| 4665 case TOKfinal: | |
| 4666 continue; | |
| 4667 | |
| 4668 case TOKconst: | |
| 4669 case TOKinvariant: | |
| 4670 case TOKimmutable: | |
| 4671 case TOKshared: | |
| 4672 t = peek(t); | |
| 4673 if (t.value == TOKlparen) | |
| 4674 { | |
| 4675 t = peek(t); | |
| 4676 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4677 return false; | |
| 4678 t = peek(t); // skip past closing ')' | |
| 4679 goto L2; | |
| 4680 } | |
| 4681 goto L1; | |
| 4682 | |
| 4683 static if (false) { | |
| 4684 case TOKstatic: | |
| 4685 continue; | |
| 4686 case TOKauto: | |
| 4687 case TOKalias: | |
| 4688 t = peek(t); | |
| 4689 if (t.value == TOKidentifier) | |
| 4690 t = peek(t); | |
| 4691 if (t.value == TOKassign) | |
| 4692 { t = peek(t); | |
| 4693 if (!isExpression(&t)) | |
| 4694 return false; | |
| 4695 } | |
| 4696 goto L3; | |
| 4697 } | |
| 4698 | |
| 4699 default: | |
| 4700 { | |
| 4701 if (!isBasicType(&t)) | |
| 4702 return false; | |
| 4703 L2: | |
| 4704 int tmp = false; | |
| 4705 if (t.value != TOKdotdotdot && | |
| 4706 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4707 return false; | |
| 4708 if (t.value == TOKassign) | |
| 4709 { | |
| 4710 t = peek(t); | |
| 4711 if (!isExpression(&t)) | |
| 4712 return false; | |
| 4713 } | |
| 4714 if (t.value == TOKdotdotdot) | |
| 4715 { | |
| 4716 t = peek(t); | |
| 4717 break; | |
| 4718 } | |
| 4719 } | |
| 4720 L3: | |
| 4721 if (t.value == TOKcomma) | |
| 4722 { | |
| 4723 continue; | |
| 4724 } | |
| 4725 break; | |
| 4726 } | |
| 4727 break; | |
| 4728 } | |
| 4729 | |
| 4730 if (t.value != TOKrparen) | |
| 4731 return false; | |
| 4732 | |
| 4733 t = peek(t); | |
| 4734 *pt = t; | |
| 4735 return true; | |
| 4736 } | |
| 4737 | |
| 4738 bool isExpression(Token** pt) | |
| 4739 { | |
| 4740 // This is supposed to determine if something is an expression. | |
| 4741 // What it actually does is scan until a closing right bracket | |
| 4742 // is found. | |
| 4743 | |
| 4744 Token* t = *pt; | |
| 4745 int brnest = 0; | |
| 4746 int panest = 0; | |
| 4747 int curlynest = 0; | |
| 4748 | |
| 4749 for (;; t = peek(t)) | |
| 4750 { | |
| 4751 switch (t.value) | |
| 4752 { | |
| 4753 case TOKlbracket: | |
| 4754 brnest++; | |
| 4755 continue; | |
| 4756 | |
| 4757 case TOKrbracket: | |
| 4758 if (--brnest >= 0) | |
| 4759 continue; | |
| 4760 break; | |
| 4761 | |
| 4762 case TOKlparen: | |
| 4763 panest++; | |
| 4764 continue; | |
| 4765 | |
| 4766 case TOKcomma: | |
| 4767 if (brnest || panest) | |
| 4768 continue; | |
| 4769 break; | |
| 4770 | |
| 4771 case TOKrparen: | |
| 4772 if (--panest >= 0) | |
| 4773 continue; | |
| 4774 break; | |
| 4775 | |
| 4776 case TOKlcurly: | |
| 4777 curlynest++; | |
| 4778 continue; | |
| 4779 | |
| 4780 case TOKrcurly: | |
| 4781 if (--curlynest >= 0) | |
| 4782 continue; | |
| 4783 return false; | |
| 4784 | |
| 4785 case TOKslice: | |
| 4786 if (brnest) | |
| 4787 continue; | |
| 4788 break; | |
| 4789 | |
| 4790 case TOKsemicolon: | |
| 4791 if (curlynest) | |
| 4792 continue; | |
| 4793 return false; | |
| 4794 | |
| 4795 case TOKeof: | |
| 4796 return false; | |
| 4797 | |
| 4798 default: | |
| 4799 continue; | |
| 4800 } | |
| 4801 break; | |
| 4802 } | |
| 4803 | |
| 4804 *pt = t; | |
| 4805 return true; | |
| 4806 } | |
| 4807 | |
| 4808 int isTemplateInstance(Token t, Token* pt) | |
| 4809 { | |
| 4810 assert(false); | |
| 4811 } | |
| 4812 | |
| 4813 /******************************************* | |
| 4814 * Skip parens, brackets. | |
| 4815 * Input: | |
| 4816 * t is on opening ( | |
| 4817 * Output: | |
| 4818 * *pt is set to closing token, which is ')' on success | |
| 4819 * Returns: | |
| 4820 * !=0 successful | |
| 4821 * 0 some parsing error | |
| 4822 */ | |
| 4823 bool skipParens(Token* t, Token** pt) | |
| 4824 { | |
| 4825 int parens = 0; | |
| 4826 | |
| 4827 while (1) | |
| 4828 { | |
| 4829 switch (t.value) | |
| 4830 { | |
| 4831 case TOKlparen: | |
| 4832 parens++; | |
| 4833 break; | |
| 4834 | |
| 4835 case TOKrparen: | |
| 4836 parens--; | |
| 4837 if (parens < 0) | |
| 4838 goto Lfalse; | |
| 4839 if (parens == 0) | |
| 4840 goto Ldone; | |
| 4841 break; | |
| 4842 | |
| 4843 case TOKeof: | |
| 4844 case TOKsemicolon: | |
| 4845 goto Lfalse; | |
| 4846 | |
| 4847 default: | |
| 4848 break; | |
| 4849 } | |
| 4850 t = peek(t); | |
| 4851 } | |
| 4852 | |
| 4853 Ldone: | |
| 4854 if (*pt) | |
| 4855 *pt = t; | |
| 4856 return true; | |
| 4857 | |
| 4858 Lfalse: | |
| 4859 return false; | |
| 4860 } | |
| 4861 | |
| 4862 Expression parseExpression() | |
| 4863 { | |
| 4864 Expression e; | |
| 4865 Expression e2; | |
| 4866 Loc loc = this.loc; | |
| 4867 | |
| 4868 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4869 e = parseAssignExp(); | |
| 4870 while (token.value == TOK.TOKcomma) | |
| 4871 { | |
| 4872 nextToken(); | |
| 4873 e2 = parseAssignExp(); | |
| 4874 e = new CommaExp(loc, e, e2); | |
| 4875 loc = this.loc; | |
| 4876 } | |
| 4877 return e; | |
| 4878 } | |
| 4879 | |
| 4880 Expression parsePrimaryExp() | |
| 4881 { | |
| 4882 Expression e; | |
| 4883 Type t; | |
| 4884 Identifier id; | |
| 4885 TOK save; | |
| 4886 Loc loc = this.loc; | |
| 4887 | |
| 4888 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4889 switch (token.value) | |
| 4890 { | |
| 4891 case TOK.TOKidentifier: | |
| 4892 id = token.ident; | |
| 4893 nextToken(); | |
| 4894 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4895 { // identifier!(template-argument-list) | |
| 4896 TemplateInstance tempinst; | |
| 4897 | |
| 4898 tempinst = new TemplateInstance(loc, id); | |
| 4899 nextToken(); | |
| 4900 if (token.value == TOK.TOKlparen) | |
| 4901 // ident!(template_arguments) | |
| 4902 tempinst.tiargs = parseTemplateArgumentList(); | |
| 4903 else | |
| 4904 // ident!template_argument | |
| 4905 tempinst.tiargs = parseTemplateArgument(); | |
| 4906 e = new ScopeExp(loc, tempinst); | |
| 4907 } | |
| 4908 else | |
| 4909 e = new IdentifierExp(loc, id); | |
| 4910 break; | |
| 4911 | |
| 4912 case TOK.TOKdollar: | |
| 4913 if (!inBrackets) | |
| 4914 error("'$' is valid only inside [] of index or slice"); | |
| 4915 e = new DollarExp(loc); | |
| 4916 nextToken(); | |
| 4917 break; | |
| 4918 | |
| 4919 case TOK.TOKdot: | |
| 4920 // Signal global scope '.' operator with "" identifier | |
| 4921 e = new IdentifierExp(loc, Id.empty); | |
| 4922 break; | |
| 4923 | |
| 4924 case TOK.TOKthis: | |
| 4925 e = new ThisExp(loc); | |
| 4926 nextToken(); | |
| 4927 break; | |
| 4928 | |
| 4929 case TOK.TOKsuper: | |
| 4930 e = new SuperExp(loc); | |
| 4931 nextToken(); | |
| 4932 break; | |
| 4933 | |
| 4934 case TOK.TOKint32v: | |
| 4935 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 4936 nextToken(); | |
| 4937 break; | |
| 4938 | |
| 4939 case TOK.TOKuns32v: | |
| 4940 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 4941 nextToken(); | |
| 4942 break; | |
| 4943 | |
| 4944 case TOK.TOKint64v: | |
| 4945 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 4946 nextToken(); | |
| 4947 break; | |
| 4948 | |
| 4949 case TOK.TOKuns64v: | |
| 4950 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 4951 nextToken(); | |
| 4952 break; | |
| 4953 | |
| 4954 case TOK.TOKfloat32v: | |
| 4955 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 4956 nextToken(); | |
| 4957 break; | |
| 4958 | |
| 4959 case TOK.TOKfloat64v: | |
| 4960 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 4961 nextToken(); | |
| 4962 break; | |
| 4963 | |
| 4964 case TOK.TOKfloat80v: | |
| 4965 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 4966 nextToken(); | |
| 4967 break; | |
| 4968 | |
| 4969 case TOK.TOKimaginary32v: | |
| 4970 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 4971 nextToken(); | |
| 4972 break; | |
| 4973 | |
| 4974 case TOK.TOKimaginary64v: | |
| 4975 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 4976 nextToken(); | |
| 4977 break; | |
| 4978 | |
| 4979 case TOK.TOKimaginary80v: | |
| 4980 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 4981 nextToken(); | |
| 4982 break; | |
| 4983 | |
| 4984 case TOK.TOKnull: | |
| 4985 e = new NullExp(loc); | |
| 4986 nextToken(); | |
| 4987 break; | |
| 4988 | |
| 4989 version (DMDV2) { | |
| 4990 case TOK.TOKfile: | |
| 4991 { | |
| 4992 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 4993 e = new StringExp(loc, s, 0); | |
| 4994 nextToken(); | |
| 4995 break; | |
| 4996 } | |
| 4997 | |
| 4998 case TOK.TOKline: | |
| 4999 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5000 nextToken(); | |
| 5001 break; | |
| 5002 } | |
| 5003 | |
| 5004 case TOK.TOKtrue: | |
| 5005 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5006 nextToken(); | |
| 5007 break; | |
| 5008 | |
| 5009 case TOK.TOKfalse: | |
| 5010 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5011 nextToken(); | |
| 5012 break; | |
| 5013 | |
| 5014 case TOK.TOKcharv: | |
| 5015 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5016 nextToken(); | |
| 5017 break; | |
| 5018 | |
| 5019 case TOK.TOKwcharv: | |
| 5020 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5021 nextToken(); | |
| 5022 break; | |
| 5023 | |
| 5024 case TOK.TOKdcharv: | |
| 5025 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5026 nextToken(); | |
| 5027 break; | |
| 5028 | |
| 5029 case TOK.TOKstring: | |
| 5030 { | |
| 5031 const(char)* s; | |
| 5032 uint len; | |
| 5033 ubyte postfix; | |
| 5034 | |
| 5035 // cat adjacent strings | |
| 5036 s = token.ustring; | |
| 5037 len = token.len; | |
| 5038 postfix = token.postfix; | |
| 5039 while (1) | |
| 5040 { | |
| 5041 nextToken(); | |
| 5042 if (token.value == TOK.TOKstring) | |
| 5043 { uint len1; | |
| 5044 uint len2; | |
| 5045 char* s2; | |
| 5046 | |
| 5047 if (token.postfix) | |
| 5048 { if (token.postfix != postfix) | |
| 5049 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5050 postfix = token.postfix; | |
| 5051 } | |
| 5052 | |
| 5053 len1 = len; | |
| 5054 len2 = token.len; | |
| 5055 len = len1 + len2; | |
| 2 | 5056 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5057 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5058 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5059 s = s2; | |
| 5060 } | |
| 5061 else | |
| 5062 break; | |
| 5063 } | |
| 5064 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5065 break; | |
| 5066 } | |
| 5067 | |
| 5068 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5069 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5070 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5071 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5072 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5073 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5074 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5075 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5076 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5077 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5078 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5079 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5080 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5081 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5082 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5083 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5084 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5085 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5086 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5087 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5088 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5089 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5090 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5091 LabelX: | |
| 5092 nextToken(); | |
| 5093 L1: | |
| 5094 check(TOK.TOKdot, t.toChars()); | |
| 5095 if (token.value != TOK.TOKidentifier) | |
| 5096 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5097 goto Lerr; | |
| 5098 } | |
| 5099 e = typeDotIdExp(loc, t, token.ident); | |
| 5100 nextToken(); | |
| 5101 break; | |
| 5102 | |
| 5103 case TOK.TOKtypeof: | |
| 5104 { | |
| 5105 t = parseTypeof(); | |
| 5106 e = new TypeExp(loc, t); | |
| 5107 break; | |
| 5108 } | |
| 5109 | |
| 5110 case TOK.TOKtypeid: | |
| 5111 { Type tt; | |
| 5112 | |
| 5113 nextToken(); | |
| 5114 check(TOK.TOKlparen, "typeid"); | |
| 5115 tt = parseType(); // ( type ) | |
| 5116 check(TOK.TOKrparen); | |
| 5117 e = new TypeidExp(loc, tt); | |
| 5118 break; | |
| 5119 } | |
| 5120 | |
| 5121 version (DMDV2) { | |
| 5122 case TOK.TOKtraits: | |
| 5123 { /* __traits(identifier, args...) | |
| 5124 */ | |
| 5125 Identifier ident; | |
| 5126 Objects args = null; | |
| 5127 | |
| 5128 nextToken(); | |
| 5129 check(TOK.TOKlparen); | |
| 5130 if (token.value != TOK.TOKidentifier) | |
| 5131 { error("__traits(identifier, args...) expected"); | |
| 5132 goto Lerr; | |
| 5133 } | |
| 5134 ident = token.ident; | |
| 5135 nextToken(); | |
| 5136 if (token.value == TOK.TOKcomma) | |
| 5137 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5138 else | |
| 5139 check(TOK.TOKrparen); // __traits(identifier) | |
| 5140 | |
| 5141 e = new TraitsExp(loc, ident, args); | |
| 5142 break; | |
| 5143 } | |
| 5144 } | |
| 5145 | |
| 5146 case TOK.TOKis: | |
| 5147 { Type targ; | |
| 5148 Identifier ident = null; | |
| 5149 Type tspec = null; | |
| 5150 TOK tok = TOK.TOKreserved; | |
| 5151 TOK tok2 = TOK.TOKreserved; | |
| 5152 TemplateParameters tpl = null; | |
| 5153 Loc loc2 = this.loc; | |
| 5154 | |
| 5155 nextToken(); | |
| 5156 if (token.value == TOK.TOKlparen) | |
| 5157 { | |
| 5158 nextToken(); | |
| 5159 targ = parseType(&ident); | |
| 5160 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5161 { | |
| 5162 tok = token.value; | |
| 5163 nextToken(); | |
| 5164 if (tok == TOK.TOKequal && | |
| 5165 (token.value == TOK.TOKtypedef || | |
| 5166 token.value == TOK.TOKstruct || | |
| 5167 token.value == TOK.TOKunion || | |
| 5168 token.value == TOK.TOKclass || | |
| 5169 token.value == TOK.TOKsuper || | |
| 5170 token.value == TOK.TOKenum || | |
| 5171 token.value == TOK.TOKinterface || | |
| 5172 ///version (DMDV2) { | |
| 5173 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5174 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5175 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5176 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5177 ///} | |
| 5178 token.value == TOK.TOKfunction || | |
| 5179 token.value == TOK.TOKdelegate || | |
| 5180 token.value == TOK.TOKreturn)) | |
| 5181 { | |
| 5182 tok2 = token.value; | |
| 5183 nextToken(); | |
| 5184 } | |
| 5185 else | |
| 5186 { | |
| 5187 tspec = parseType(); | |
| 5188 } | |
| 5189 } | |
| 5190 if (ident && tspec) | |
| 5191 { | |
| 5192 if (token.value == TOK.TOKcomma) | |
| 5193 tpl = parseTemplateParameterList(1); | |
| 5194 else | |
| 5195 { tpl = new TemplateParameters(); | |
| 5196 check(TOK.TOKrparen); | |
| 5197 } | |
| 5198 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
| 5199 tpl.insert(0, cast(void*)tp); | |
| 5200 } | |
| 5201 else | |
| 5202 check(TOK.TOKrparen); | |
| 5203 } | |
| 5204 else | |
| 5205 { error("(type identifier : specialization) expected following is"); | |
| 5206 goto Lerr; | |
| 5207 } | |
| 5208 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5209 break; | |
| 5210 } | |
| 5211 | |
| 5212 case TOK.TOKassert: | |
| 5213 { | |
| 5214 Expression msg = null; | |
| 5215 | |
| 5216 nextToken(); | |
| 5217 check(TOK.TOKlparen, "assert"); | |
| 5218 e = parseAssignExp(); | |
| 5219 if (token.value == TOK.TOKcomma) | |
| 5220 { nextToken(); | |
| 5221 msg = parseAssignExp(); | |
| 5222 } | |
| 5223 check(TOK.TOKrparen); | |
| 5224 e = new AssertExp(loc, e, msg); | |
| 5225 break; | |
| 5226 } | |
| 5227 | |
| 5228 case TOK.TOKmixin: | |
| 5229 { | |
| 5230 nextToken(); | |
| 5231 check(TOK.TOKlparen, "mixin"); | |
| 5232 e = parseAssignExp(); | |
| 5233 check(TOK.TOKrparen); | |
| 5234 e = new CompileExp(loc, e); | |
| 5235 break; | |
| 5236 } | |
| 5237 | |
| 5238 case TOK.TOKimport: | |
| 5239 { | |
| 5240 nextToken(); | |
| 5241 check(TOK.TOKlparen, "import"); | |
| 5242 e = parseAssignExp(); | |
| 5243 check(TOK.TOKrparen); | |
| 5244 e = new FileExp(loc, e); | |
| 5245 break; | |
| 5246 } | |
| 5247 | |
| 5248 case TOK.TOKlparen: | |
| 5249 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5250 { // (arguments) { statements... } | |
| 5251 save = TOK.TOKdelegate; | |
| 5252 goto case_delegate; | |
| 5253 } | |
| 5254 // ( expression ) | |
| 5255 nextToken(); | |
| 5256 e = parseExpression(); | |
| 5257 check(loc, TOK.TOKrparen); | |
| 5258 break; | |
| 5259 | |
| 5260 case TOK.TOKlbracket: | |
| 5261 { /* Parse array literals and associative array literals: | |
| 5262 * [ value, value, value ... ] | |
| 5263 * [ key:value, key:value, key:value ... ] | |
| 5264 */ | |
| 5265 Expressions values = new Expressions(); | |
| 5266 Expressions keys = null; | |
| 5267 | |
| 5268 nextToken(); | |
| 5269 if (token.value != TOK.TOKrbracket) | |
| 5270 { | |
| 5271 while (token.value != TOK.TOKeof) | |
| 5272 { | |
| 5273 Expression e2 = parseAssignExp(); | |
| 5274 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5275 { | |
| 5276 nextToken(); | |
| 5277 if (!keys) | |
| 5278 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5279 keys.push(e2); |
| 0 | 5280 e2 = parseAssignExp(); |
| 5281 } | |
| 5282 else if (keys) | |
| 5283 { | |
| 5284 error("'key:value' expected for associative array literal"); | |
| 5285 delete keys; | |
| 5286 keys = null; | |
| 5287 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5288 values.push(e2); |
| 0 | 5289 if (token.value == TOK.TOKrbracket) |
| 5290 break; | |
| 5291 check(TOK.TOKcomma); | |
| 5292 } | |
| 5293 } | |
| 5294 check(TOK.TOKrbracket); | |
| 5295 | |
| 5296 if (keys) | |
| 5297 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5298 else | |
| 5299 e = new ArrayLiteralExp(loc, values); | |
| 5300 break; | |
| 5301 } | |
| 5302 | |
| 5303 case TOK.TOKlcurly: | |
| 5304 // { statements... } | |
| 5305 save = TOK.TOKdelegate; | |
| 5306 goto case_delegate; | |
| 5307 | |
| 5308 case TOK.TOKfunction: | |
| 5309 case TOK.TOKdelegate: | |
| 5310 save = token.value; | |
| 5311 nextToken(); | |
| 5312 case_delegate: | |
| 5313 { | |
| 5314 /* function type(parameters) { body } pure nothrow | |
| 5315 * delegate type(parameters) { body } pure nothrow | |
| 5316 * (parameters) { body } | |
| 5317 * { body } | |
| 5318 */ | |
| 5319 Arguments arguments; | |
| 5320 int varargs; | |
| 5321 FuncLiteralDeclaration fd; | |
| 5322 Type tt; | |
| 5323 bool isnothrow = false; | |
| 5324 bool ispure = false; | |
| 5325 | |
| 5326 if (token.value == TOK.TOKlcurly) | |
| 5327 { | |
| 5328 tt = null; | |
| 5329 varargs = 0; | |
| 5330 arguments = new Arguments(); | |
| 5331 } | |
| 5332 else | |
| 5333 { | |
| 5334 if (token.value == TOK.TOKlparen) | |
| 5335 tt = null; | |
| 5336 else | |
| 5337 { | |
| 5338 tt = parseBasicType(); | |
| 5339 tt = parseBasicType2(tt); // function return type | |
| 5340 } | |
| 5341 arguments = parseParameters(&varargs); | |
| 5342 while (1) | |
| 5343 { | |
| 5344 if (token.value == TOK.TOKpure) | |
| 5345 ispure = true; | |
| 5346 else if (token.value == TOK.TOKnothrow) | |
| 5347 isnothrow = true; | |
| 5348 else | |
| 5349 break; | |
| 5350 nextToken(); | |
| 5351 } | |
| 5352 } | |
| 5353 | |
| 5354 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5355 tf.ispure = ispure; | |
| 5356 tf.isnothrow = isnothrow; | |
| 5357 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); | |
| 5358 parseContracts(fd); | |
| 5359 e = new FuncExp(loc, fd); | |
| 5360 break; | |
| 5361 } | |
| 5362 | |
| 5363 default: | |
| 5364 error("expression expected, not '%s'", token.toChars()); | |
| 5365 Lerr: | |
| 5366 // Anything for e, as long as it's not null | |
| 5367 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5368 nextToken(); | |
| 5369 break; | |
| 5370 } | |
| 5371 return e; | |
| 5372 } | |
| 5373 | |
| 5374 Expression parseUnaryExp() | |
| 5375 { | |
| 5376 Expression e; | |
| 5377 Loc loc = this.loc; | |
| 5378 | |
| 5379 switch (token.value) | |
| 5380 { | |
| 5381 case TOK.TOKand: | |
| 5382 nextToken(); | |
| 5383 e = parseUnaryExp(); | |
| 5384 e = new AddrExp(loc, e); | |
| 5385 break; | |
| 5386 | |
| 5387 case TOK.TOKplusplus: | |
| 5388 nextToken(); | |
| 5389 e = parseUnaryExp(); | |
| 5390 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5391 break; | |
| 5392 | |
| 5393 case TOK.TOKminusminus: | |
| 5394 nextToken(); | |
| 5395 e = parseUnaryExp(); | |
| 5396 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5397 break; | |
| 5398 | |
| 5399 case TOK.TOKmul: | |
| 5400 nextToken(); | |
| 5401 e = parseUnaryExp(); | |
| 5402 e = new PtrExp(loc, e); | |
| 5403 break; | |
| 5404 | |
| 5405 case TOK.TOKmin: | |
| 5406 nextToken(); | |
| 5407 e = parseUnaryExp(); | |
| 5408 e = new NegExp(loc, e); | |
| 5409 break; | |
| 5410 | |
| 5411 case TOK.TOKadd: | |
| 5412 nextToken(); | |
| 5413 e = parseUnaryExp(); | |
| 5414 e = new UAddExp(loc, e); | |
| 5415 break; | |
| 5416 | |
| 5417 case TOK.TOKnot: | |
| 5418 nextToken(); | |
| 5419 e = parseUnaryExp(); | |
| 5420 e = new NotExp(loc, e); | |
| 5421 break; | |
| 5422 | |
| 5423 case TOK.TOKtilde: | |
| 5424 nextToken(); | |
| 5425 e = parseUnaryExp(); | |
| 5426 e = new ComExp(loc, e); | |
| 5427 break; | |
| 5428 | |
| 5429 case TOK.TOKdelete: | |
| 5430 nextToken(); | |
| 5431 e = parseUnaryExp(); | |
| 5432 e = new DeleteExp(loc, e); | |
| 5433 break; | |
| 5434 | |
| 5435 case TOK.TOKnew: | |
| 5436 e = parseNewExp(null); | |
| 5437 break; | |
| 5438 | |
| 5439 case TOK.TOKcast: // cast(type) expression | |
| 5440 { | |
| 5441 nextToken(); | |
| 5442 check(TOK.TOKlparen); | |
| 5443 /* Look for cast(), cast(const), cast(immutable), | |
| 5444 * cast(shared), cast(shared const) | |
| 5445 */ | |
| 5446 MOD m; | |
| 5447 if (token.value == TOK.TOKrparen) | |
| 5448 { | |
| 5449 m = MOD.MODundefined; | |
| 5450 goto Lmod1; | |
| 5451 } | |
| 5452 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5453 { | |
| 5454 m = MOD.MODconst; | |
| 5455 goto Lmod2; | |
| 5456 } | |
| 5457 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5458 { | |
| 5459 m = MOD.MODinvariant; | |
| 5460 goto Lmod2; | |
| 5461 } | |
| 5462 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5463 { | |
| 5464 m = MOD.MODshared; | |
| 5465 goto Lmod2; | |
| 5466 } | |
| 5467 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5468 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5469 { | |
| 5470 m = MOD.MODshared | MOD.MODconst; | |
| 5471 nextToken(); | |
| 5472 Lmod2: | |
| 5473 nextToken(); | |
| 5474 Lmod1: | |
| 5475 nextToken(); | |
| 5476 e = parseUnaryExp(); | |
| 5477 e = new CastExp(loc, e, m); | |
| 5478 } | |
| 5479 else | |
| 5480 { | |
| 5481 Type t = parseType(); // ( type ) | |
| 5482 check(TOK.TOKrparen); | |
| 5483 e = parseUnaryExp(); | |
| 5484 e = new CastExp(loc, e, t); | |
| 5485 } | |
| 5486 break; | |
| 5487 } | |
| 5488 | |
| 5489 case TOK.TOKlparen: | |
| 5490 { Token *tk; | |
| 5491 | |
| 5492 tk = peek(&token); | |
| 5493 version (CCASTSYNTAX) { | |
| 5494 // If cast | |
| 5495 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5496 { | |
| 5497 tk = peek(tk); // skip over right parenthesis | |
| 5498 switch (tk.value) | |
| 5499 { | |
| 5500 case TOK.TOKnot: | |
| 5501 tk = peek(tk); | |
| 5502 if (tk.value == TOK.TOKis) // !is | |
| 5503 break; | |
| 5504 case TOK.TOKdot: | |
| 5505 case TOK.TOKplusplus: | |
| 5506 case TOK.TOKminusminus: | |
| 5507 case TOK.TOKdelete: | |
| 5508 case TOK.TOKnew: | |
| 5509 case TOK.TOKlparen: | |
| 5510 case TOK.TOKidentifier: | |
| 5511 case TOK.TOKthis: | |
| 5512 case TOK.TOKsuper: | |
| 5513 case TOK.TOKint32v: | |
| 5514 case TOK.TOKuns32v: | |
| 5515 case TOK.TOKint64v: | |
| 5516 case TOK.TOKuns64v: | |
| 5517 case TOK.TOKfloat32v: | |
| 5518 case TOK.TOKfloat64v: | |
| 5519 case TOK.TOKfloat80v: | |
| 5520 case TOK.TOKimaginary32v: | |
| 5521 case TOK.TOKimaginary64v: | |
| 5522 case TOK.TOKimaginary80v: | |
| 5523 case TOK.TOKnull: | |
| 5524 case TOK.TOKtrue: | |
| 5525 case TOK.TOKfalse: | |
| 5526 case TOK.TOKcharv: | |
| 5527 case TOK.TOKwcharv: | |
| 5528 case TOK.TOKdcharv: | |
| 5529 case TOK.TOKstring: | |
| 5530 static if (false) { | |
| 5531 case TOK.TOKtilde: | |
| 5532 case TOK.TOKand: | |
| 5533 case TOK.TOKmul: | |
| 5534 case TOK.TOKmin: | |
| 5535 case TOK.TOKadd: | |
| 5536 } | |
| 5537 case TOK.TOKfunction: | |
| 5538 case TOK.TOKdelegate: | |
| 5539 case TOK.TOKtypeof: | |
| 5540 version (DMDV2) { | |
| 5541 case TOK.TOKfile: | |
| 5542 case TOK.TOKline: | |
| 5543 } | |
| 5544 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5545 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5546 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5547 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5548 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5549 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5550 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5551 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5552 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5553 case TOK.TOKvoid: // (type)int.size | |
| 5554 { | |
| 5555 // (type) una_exp | |
| 5556 nextToken(); | |
| 5557 Type t = parseType(); | |
| 5558 check(TOK.TOKrparen); | |
| 5559 | |
| 5560 // if .identifier | |
| 5561 if (token.value == TOK.TOKdot) | |
| 5562 { | |
| 5563 nextToken(); | |
| 5564 if (token.value != TOK.TOKidentifier) | |
| 5565 { | |
| 5566 error("Identifier expected following (type)."); | |
| 5567 return null; | |
| 5568 } | |
| 5569 e = typeDotIdExp(loc, t, token.ident); | |
| 5570 nextToken(); | |
| 5571 e = parsePostExp(e); | |
| 5572 } | |
| 5573 else | |
| 5574 { | |
| 5575 e = parseUnaryExp(); | |
| 5576 e = new CastExp(loc, e, t); | |
| 5577 error("C style cast illegal, use %s", e.toChars()); | |
| 5578 } | |
| 5579 return e; | |
| 5580 } | |
| 5581 | |
| 5582 default: | |
| 5583 break; /// | |
| 5584 } | |
| 5585 } | |
| 5586 } | |
| 5587 e = parsePrimaryExp(); | |
| 5588 e = parsePostExp(e); | |
| 5589 break; | |
| 5590 } | |
| 5591 default: | |
| 5592 e = parsePrimaryExp(); | |
| 5593 e = parsePostExp(e); | |
| 5594 break; | |
| 5595 } | |
| 5596 assert(e); | |
| 5597 return e; | |
| 5598 } | |
| 5599 | |
| 5600 Expression parsePostExp(Expression e) | |
| 5601 { | |
| 5602 Loc loc; | |
| 5603 | |
| 5604 while (1) | |
| 5605 { | |
| 5606 loc = this.loc; | |
| 5607 switch (token.value) | |
| 5608 { | |
| 5609 case TOK.TOKdot: | |
| 5610 nextToken(); | |
| 5611 if (token.value == TOK.TOKidentifier) | |
| 5612 { Identifier id = token.ident; | |
| 5613 | |
| 5614 nextToken(); | |
| 5615 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5616 { // identifier!(template-argument-list) | |
| 5617 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 5618 nextToken(); | |
| 5619 if (token.value == TOK.TOKlparen) | |
| 5620 // ident!(template_arguments) | |
| 5621 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5622 else | |
| 5623 // ident!template_argument | |
| 5624 tempinst.tiargs = parseTemplateArgument(); | |
| 5625 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 5626 } | |
| 5627 else | |
| 5628 e = new DotIdExp(loc, e, id); | |
| 5629 continue; | |
| 5630 } | |
| 5631 else if (token.value == TOK.TOKnew) | |
| 5632 { | |
| 5633 e = parseNewExp(e); | |
| 5634 continue; | |
| 5635 } | |
| 5636 else | |
| 5637 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5638 break; | |
| 5639 | |
| 5640 case TOK.TOKplusplus: | |
| 5641 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5642 break; | |
| 5643 | |
| 5644 case TOK.TOKminusminus: | |
| 5645 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5646 break; | |
| 5647 | |
| 5648 case TOK.TOKlparen: | |
| 5649 e = new CallExp(loc, e, parseArguments()); | |
| 5650 continue; | |
| 5651 | |
| 5652 case TOK.TOKlbracket: | |
| 5653 { // array dereferences: | |
| 5654 // array[index] | |
| 5655 // array[] | |
| 5656 // array[lwr .. upr] | |
| 5657 Expression index; | |
| 5658 Expression upr; | |
| 5659 | |
| 5660 inBrackets++; | |
| 5661 nextToken(); | |
| 5662 if (token.value == TOK.TOKrbracket) | |
| 5663 { // array[] | |
| 5664 e = new SliceExp(loc, e, null, null); | |
| 5665 nextToken(); | |
| 5666 } | |
| 5667 else | |
| 5668 { | |
| 5669 index = parseAssignExp(); | |
| 5670 if (token.value == TOK.TOKslice) | |
| 5671 { // array[lwr .. upr] | |
| 5672 nextToken(); | |
| 5673 upr = parseAssignExp(); | |
| 5674 e = new SliceExp(loc, e, index, upr); | |
| 5675 } | |
| 5676 else | |
| 5677 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5678 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5679 arguments.push(index); |
| 0 | 5680 if (token.value == TOK.TOKcomma) |
| 5681 { | |
| 5682 nextToken(); | |
| 5683 while (1) | |
| 5684 { Expression arg; | |
| 5685 | |
| 5686 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5687 arguments.push(arg); |
| 0 | 5688 if (token.value == TOK.TOKrbracket) |
| 5689 break; | |
| 5690 check(TOK.TOKcomma); | |
| 5691 } | |
| 5692 } | |
| 5693 e = new ArrayExp(loc, e, arguments); | |
| 5694 } | |
| 5695 check(TOK.TOKrbracket); | |
| 5696 inBrackets--; | |
| 5697 } | |
| 5698 continue; | |
| 5699 } | |
| 5700 | |
| 5701 default: | |
| 5702 return e; | |
| 5703 } | |
| 5704 nextToken(); | |
| 5705 } | |
| 5706 | |
| 5707 assert(false); | |
| 5708 } | |
| 5709 | |
| 5710 Expression parseMulExp() | |
| 5711 { | |
| 5712 Expression e; | |
| 5713 Expression e2; | |
| 5714 Loc loc = this.loc; | |
| 5715 | |
| 5716 e = parseUnaryExp(); | |
| 5717 while (1) | |
| 5718 { | |
| 5719 switch (token.value) | |
| 5720 { | |
| 5721 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 5722 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 5723 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 5724 | |
| 5725 default: | |
| 5726 break; | |
| 5727 } | |
| 5728 break; | |
| 5729 } | |
| 5730 return e; | |
| 5731 } | |
| 5732 | |
| 5733 Expression parseShiftExp() | |
| 5734 { | |
| 5735 Expression e; | |
| 5736 Expression e2; | |
| 5737 Loc loc = this.loc; | |
| 5738 | |
| 5739 e = parseAddExp(); | |
| 5740 while (1) | |
| 5741 { | |
| 5742 switch (token.value) | |
| 5743 { | |
| 5744 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5745 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5746 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5747 | |
| 5748 default: | |
| 5749 break; | |
| 5750 } | |
| 5751 break; | |
| 5752 } | |
| 5753 return e; | |
| 5754 } | |
| 5755 | |
| 5756 Expression parseAddExp() | |
| 5757 { | |
| 5758 Expression e; | |
| 5759 Expression e2; | |
| 5760 Loc loc = this.loc; | |
| 5761 | |
| 5762 e = parseMulExp(); | |
| 5763 while (1) | |
| 5764 { | |
| 5765 switch (token.value) | |
| 5766 { | |
| 5767 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5768 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5769 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5770 | |
| 5771 default: | |
| 5772 break; | |
| 5773 } | |
| 5774 break; | |
| 5775 } | |
| 5776 return e; | |
| 5777 } | |
| 5778 | |
| 5779 Expression parseRelExp() | |
| 5780 { | |
| 5781 assert(false); | |
| 5782 } | |
| 5783 | |
| 5784 Expression parseEqualExp() | |
| 5785 { | |
| 5786 assert(false); | |
| 5787 } | |
| 5788 | |
| 5789 Expression parseCmpExp() | |
| 5790 { | |
| 5791 Expression e; | |
| 5792 Expression e2; | |
| 5793 Token* t; | |
| 5794 Loc loc = this.loc; | |
| 5795 | |
| 5796 e = parseShiftExp(); | |
| 5797 TOK op = token.value; | |
| 5798 | |
| 5799 switch (op) | |
| 5800 { | |
| 5801 case TOK.TOKequal: | |
| 5802 case TOK.TOKnotequal: | |
| 5803 nextToken(); | |
| 5804 e2 = parseShiftExp(); | |
| 5805 e = new EqualExp(op, loc, e, e2); | |
| 5806 break; | |
| 5807 | |
| 5808 case TOK.TOKis: | |
| 5809 op = TOK.TOKidentity; | |
| 5810 goto L1; | |
| 5811 | |
| 5812 case TOK.TOKnot: | |
| 5813 // Attempt to identify '!is' | |
| 5814 t = peek(&token); | |
| 5815 if (t.value != TOK.TOKis) | |
| 5816 break; | |
| 5817 nextToken(); | |
| 5818 op = TOK.TOKnotidentity; | |
| 5819 goto L1; | |
| 5820 | |
| 5821 L1: | |
| 5822 nextToken(); | |
| 5823 e2 = parseShiftExp(); | |
| 5824 e = new IdentityExp(op, loc, e, e2); | |
| 5825 break; | |
| 5826 | |
| 5827 case TOK.TOKlt: | |
| 5828 case TOK.TOKle: | |
| 5829 case TOK.TOKgt: | |
| 5830 case TOK.TOKge: | |
| 5831 case TOK.TOKunord: | |
| 5832 case TOK.TOKlg: | |
| 5833 case TOK.TOKleg: | |
| 5834 case TOK.TOKule: | |
| 5835 case TOK.TOKul: | |
| 5836 case TOK.TOKuge: | |
| 5837 case TOK.TOKug: | |
| 5838 case TOK.TOKue: | |
| 5839 nextToken(); | |
| 5840 e2 = parseShiftExp(); | |
| 5841 e = new CmpExp(op, loc, e, e2); | |
| 5842 break; | |
| 5843 | |
| 5844 case TOK.TOKin: | |
| 5845 nextToken(); | |
| 5846 e2 = parseShiftExp(); | |
| 5847 e = new InExp(loc, e, e2); | |
| 5848 break; | |
| 5849 | |
| 5850 default: | |
| 5851 break; | |
| 5852 } | |
| 5853 return e; | |
| 5854 } | |
| 5855 | |
| 5856 Expression parseAndExp() | |
| 5857 { | |
| 5858 Expression e; | |
| 5859 Expression e2; | |
| 5860 Loc loc = this.loc; | |
| 5861 | |
| 5862 if (global.params.Dversion == 1) | |
| 5863 { | |
| 5864 e = parseEqualExp(); | |
| 5865 while (token.value == TOK.TOKand) | |
| 5866 { | |
| 5867 nextToken(); | |
| 5868 e2 = parseEqualExp(); | |
| 5869 e = new AndExp(loc,e,e2); | |
| 5870 loc = this.loc; | |
| 5871 } | |
| 5872 } | |
| 5873 else | |
| 5874 { | |
| 5875 e = parseCmpExp(); | |
| 5876 while (token.value == TOK.TOKand) | |
| 5877 { | |
| 5878 nextToken(); | |
| 5879 e2 = parseCmpExp(); | |
| 5880 e = new AndExp(loc,e,e2); | |
| 5881 loc = this.loc; | |
| 5882 } | |
| 5883 } | |
| 5884 return e; | |
| 5885 } | |
| 5886 | |
| 5887 Expression parseXorExp() | |
| 5888 { | |
| 5889 Expression e; | |
| 5890 Expression e2; | |
| 5891 Loc loc = this.loc; | |
| 5892 | |
| 5893 e = parseAndExp(); | |
| 5894 while (token.value == TOK.TOKxor) | |
| 5895 { | |
| 5896 nextToken(); | |
| 5897 e2 = parseAndExp(); | |
| 5898 e = new XorExp(loc, e, e2); | |
| 5899 } | |
| 5900 | |
| 5901 return e; | |
| 5902 } | |
| 5903 | |
| 5904 Expression parseOrExp() | |
| 5905 { | |
| 5906 Expression e; | |
| 5907 Expression e2; | |
| 5908 Loc loc = this.loc; | |
| 5909 | |
| 5910 e = parseXorExp(); | |
| 5911 while (token.value == TOK.TOKor) | |
| 5912 { | |
| 5913 nextToken(); | |
| 5914 e2 = parseXorExp(); | |
| 5915 e = new OrExp(loc, e, e2); | |
| 5916 } | |
| 5917 return e; | |
| 5918 } | |
| 5919 | |
| 5920 Expression parseAndAndExp() | |
| 5921 { | |
| 5922 Expression e; | |
| 5923 Expression e2; | |
| 5924 Loc loc = this.loc; | |
| 5925 | |
| 5926 e = parseOrExp(); | |
| 5927 while (token.value == TOK.TOKandand) | |
| 5928 { | |
| 5929 nextToken(); | |
| 5930 e2 = parseOrExp(); | |
| 5931 e = new AndAndExp(loc, e, e2); | |
| 5932 } | |
| 5933 return e; | |
| 5934 } | |
| 5935 | |
| 5936 Expression parseOrOrExp() | |
| 5937 { | |
| 5938 Expression e; | |
| 5939 Expression e2; | |
| 5940 Loc loc = this.loc; | |
| 5941 | |
| 5942 e = parseAndAndExp(); | |
| 5943 while (token.value == TOK.TOKoror) | |
| 5944 { | |
| 5945 nextToken(); | |
| 5946 e2 = parseAndAndExp(); | |
| 5947 e = new OrOrExp(loc, e, e2); | |
| 5948 } | |
| 5949 | |
| 5950 return e; | |
| 5951 } | |
| 5952 | |
| 5953 Expression parseCondExp() | |
| 5954 { | |
| 5955 Expression e; | |
| 5956 Expression e1; | |
| 5957 Expression e2; | |
| 5958 Loc loc = this.loc; | |
| 5959 | |
| 5960 e = parseOrOrExp(); | |
| 5961 if (token.value == TOK.TOKquestion) | |
| 5962 { | |
| 5963 nextToken(); | |
| 5964 e1 = parseExpression(); | |
| 5965 check(TOK.TOKcolon); | |
| 5966 e2 = parseCondExp(); | |
| 5967 e = new CondExp(loc, e, e1, e2); | |
| 5968 } | |
| 5969 return e; | |
| 5970 } | |
| 5971 | |
| 5972 Expression parseAssignExp() | |
| 5973 { | |
| 5974 Expression e; | |
| 5975 Expression e2; | |
| 5976 Loc loc; | |
| 5977 | |
| 5978 e = parseCondExp(); | |
| 5979 while (1) | |
| 5980 { | |
| 5981 loc = this.loc; | |
| 5982 switch (token.value) | |
| 5983 { | |
| 5984 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 5985 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 5986 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 5987 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 5988 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 5989 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 5990 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; | |
| 5991 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 5992 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 5993 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 5994 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 5995 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 5996 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 5997 | |
| 5998 default: | |
| 5999 break; | |
| 6000 } | |
| 6001 break; | |
| 6002 } | |
| 6003 | |
| 6004 return e; | |
| 6005 } | |
| 6006 | |
| 6007 /************************* | |
| 6008 * Collect argument list. | |
| 6009 * Assume current token is ',', '(' or '['. | |
| 6010 */ | |
| 6011 Expressions parseArguments() | |
| 6012 { | |
| 6013 // function call | |
| 6014 Expressions arguments = new Expressions(); | |
| 6015 Expression arg; | |
| 6016 TOK endtok; | |
| 6017 | |
| 6018 if (token.value == TOK.TOKlbracket) | |
| 6019 endtok = TOK.TOKrbracket; | |
| 6020 else | |
| 6021 endtok = TOK.TOKrparen; | |
| 6022 | |
| 6023 { | |
| 6024 nextToken(); | |
| 6025 if (token.value != endtok) | |
| 6026 { | |
| 6027 while (1) | |
| 6028 { | |
| 6029 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6030 arguments.push(arg); |
| 0 | 6031 if (token.value == endtok) |
| 6032 break; | |
| 6033 check(TOK.TOKcomma); | |
| 6034 } | |
| 6035 } | |
| 6036 check(endtok); | |
| 6037 } | |
| 6038 return arguments; | |
| 6039 } | |
| 6040 | |
| 6041 Expression parseNewExp(Expression thisexp) | |
| 6042 { | |
| 6043 Type t; | |
| 6044 Expressions newargs; | |
| 6045 Expressions arguments = null; | |
| 6046 Expression e; | |
| 6047 Loc loc = this.loc; | |
| 6048 | |
| 6049 nextToken(); | |
| 6050 newargs = null; | |
| 6051 if (token.value == TOKlparen) | |
| 6052 { | |
| 6053 newargs = parseArguments(); | |
| 6054 } | |
| 6055 | |
| 6056 // An anonymous nested class starts with "class" | |
| 6057 if (token.value == TOKclass) | |
| 6058 { | |
| 6059 nextToken(); | |
| 6060 if (token.value == TOKlparen) | |
| 6061 arguments = parseArguments(); | |
| 6062 | |
| 6063 BaseClasses baseclasses = null; | |
| 6064 if (token.value != TOKlcurly) | |
| 6065 baseclasses = parseBaseClasses(); | |
| 6066 | |
| 6067 Identifier id = null; | |
| 6068 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6069 | |
| 6070 if (token.value != TOKlcurly) | |
| 6071 { | |
| 6072 error("{ members } expected for anonymous class"); | |
| 6073 cd.members = null; | |
| 6074 } | |
| 6075 else | |
| 6076 { | |
| 6077 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6078 auto decl = parseDeclDefs(0); |
| 0 | 6079 if (token.value != TOKrcurly) |
| 6080 error("class member expected"); | |
| 6081 nextToken(); | |
| 6082 cd.members = decl; | |
| 6083 } | |
| 6084 | |
| 6085 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6086 | |
| 6087 return e; | |
| 6088 } | |
| 6089 | |
| 6090 t = parseBasicType(); | |
| 6091 t = parseBasicType2(t); | |
| 6092 if (t.ty == Taarray) | |
| 6093 { | |
| 6094 TypeAArray taa = cast(TypeAArray)t; | |
| 6095 Type index = taa.index; | |
| 6096 | |
| 6097 Expression e2 = index.toExpression(); | |
| 6098 if (e2) | |
| 6099 { | |
| 6100 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6101 arguments.push(e2); |
| 0 | 6102 t = new TypeDArray(taa.next); |
| 6103 } | |
| 6104 else | |
| 6105 { | |
| 6106 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6107 return new NullExp(loc); | |
| 6108 } | |
| 6109 } | |
| 6110 else if (t.ty == Tsarray) | |
| 6111 { | |
| 6112 TypeSArray tsa = cast(TypeSArray)t; | |
| 6113 Expression ee = tsa.dim; | |
| 6114 | |
| 6115 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6116 arguments.push(ee); |
| 0 | 6117 t = new TypeDArray(tsa.next); |
| 6118 } | |
| 6119 else if (token.value == TOKlparen) | |
| 6120 { | |
| 6121 arguments = parseArguments(); | |
| 6122 } | |
| 6123 | |
| 6124 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6125 return e; | |
| 6126 } | |
| 6127 | |
| 79 | 6128 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6129 { |
| 6130 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6131 token.lineComment = null; | |
| 6132 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6133 } |