Mercurial > projects > ddmd
annotate dmd/Parser.d @ 191:52188e7e3fb5
Fixed deprecated features, now compiles with DMD2.058
Also changed Array allocation policy:
Now doesn't reallocate but malloc's, followed by a memcpy (no free).
(this fixes a crash while compiling druntime. Same bug in dmd)
| author | korDen@korDen-pc |
|---|---|
| date | Sun, 25 Mar 2012 03:11:12 +0400 |
| parents | cd48cb899aee |
| children |
| 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; | |
| 179 | 8 import dmd.SharedStaticCtorDeclaration; |
| 9 import dmd.SharedStaticDtorDeclaration; | |
| 0 | 10 import dmd.EnumMember; |
| 11 import dmd.CtorDeclaration; | |
| 12 import dmd.ShlAssignExp; | |
| 13 import dmd.ShrAssignExp; | |
| 14 import dmd.UshrAssignExp; | |
| 15 import dmd.CatAssignExp; | |
| 16 import dmd.StaticIfCondition; | |
| 17 import dmd.TraitsExp; | |
| 13 | 18 import dmd.TemplateMixin; |
| 0 | 19 import dmd.BaseClass; |
| 20 import dmd.AssignExp; | |
| 21 import dmd.TemplateInstance; | |
| 22 import dmd.NewExp; | |
| 23 import dmd.ArrayExp; | |
| 24 import dmd.DotTemplateInstanceExp; | |
| 25 import dmd.ClassDeclaration; | |
| 26 import dmd.NewAnonClassExp; | |
| 27 import dmd.InterfaceDeclaration; | |
| 28 import dmd.StructDeclaration; | |
| 29 import dmd.UnionDeclaration; | |
| 30 import dmd.AnonDeclaration; | |
| 31 import dmd.StructInitializer; | |
| 32 import dmd.ArrayInitializer; | |
| 33 import dmd.ExpInitializer; | |
| 34 import dmd.TemplateAliasParameter; | |
| 35 import dmd.TemplateTupleParameter; | |
| 36 import dmd.TemplateThisParameter; | |
| 37 import dmd.TemplateValueParameter; | |
| 38 import dmd.VoidInitializer; | |
| 39 import dmd.VersionCondition; | |
| 40 import dmd.DotIdExp; | |
| 41 import dmd.DebugCondition; | |
| 42 import dmd.PostExp; | |
| 43 import dmd.CallExp; | |
| 44 import dmd.SliceExp; | |
| 45 import dmd.FuncExp; | |
| 46 import dmd.AssocArrayLiteralExp; | |
| 47 import dmd.ArrayLiteralExp; | |
| 48 import dmd.IsExp; | |
| 49 import dmd.FuncLiteralDeclaration; | |
| 50 import dmd.AssertExp; | |
| 51 import dmd.CompileExp; | |
| 52 import dmd.FileExp; | |
|
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01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
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diff
changeset
|
53 import dmd.TemplateMixin; |
| 0 | 54 import dmd.TemplateParameter; |
| 55 import dmd.TemplateTypeParameter; | |
| 56 import dmd.TypeidExp; | |
| 57 import dmd.StringExp; | |
| 58 import dmd.ScopeExp; | |
| 59 import dmd.IdentifierExp; | |
| 60 import dmd.DollarExp; | |
| 61 import dmd.ThisExp; | |
| 62 import dmd.SuperExp; | |
| 63 import dmd.NullExp; | |
| 64 import dmd.RealExp; | |
| 65 import dmd.TypeExp; | |
| 66 import dmd.AddrExp; | |
| 67 import dmd.MOD; | |
| 68 import dmd.IntegerExp; | |
| 69 import dmd.CastExp; | |
| 70 import dmd.PtrExp; | |
| 71 import dmd.NegExp; | |
| 72 import dmd.XorAssignExp; | |
| 73 import dmd.OrAssignExp; | |
| 74 import dmd.UAddExp; | |
| 75 import dmd.NotExp; | |
| 76 import dmd.ComExp; | |
| 77 import dmd.DeleteExp; | |
| 78 import dmd.MulAssignExp; | |
| 79 import dmd.ModAssignExp; | |
| 80 import dmd.MinAssignExp; | |
| 81 import dmd.DivAssignExp; | |
| 82 import dmd.AndAssignExp; | |
| 83 import dmd.AddAssignExp; | |
| 135 | 84 import dmd.PowAssignExp; |
| 0 | 85 import dmd.ModuleDeclaration; |
| 86 import dmd.CaseRangeStatement; | |
| 87 import dmd.CommaExp; | |
| 88 import dmd.XorExp; | |
| 89 import dmd.CondExp; | |
| 90 import dmd.CmpExp; | |
| 91 import dmd.InExp; | |
| 92 import dmd.OrOrExp; | |
| 93 import dmd.OrExp; | |
| 94 import dmd.AddExp; | |
| 95 import dmd.MinExp; | |
| 96 import dmd.CatExp; | |
| 97 import dmd.AndAndExp; | |
| 98 import dmd.EqualExp; | |
| 99 import dmd.ShlExp; | |
| 100 import dmd.ShrExp; | |
| 101 import dmd.DivExp; | |
| 102 import dmd.MulExp; | |
| 103 import dmd.ModExp; | |
| 104 import dmd.UshrExp; | |
| 105 import dmd.IdentityExp; | |
| 106 import dmd.AndExp; | |
| 107 import dmd.Id; | |
| 108 import dmd.LabelStatement; | |
| 109 import dmd.ExpStatement; | |
| 110 import dmd.StaticAssertStatement; | |
| 111 import dmd.DeclarationStatement; | |
| 112 import dmd.ScopeStatement; | |
| 113 import dmd.PragmaStatement; | |
| 114 import dmd.WhileStatement; | |
| 115 import dmd.DoStatement; | |
| 116 import dmd.ForStatement; | |
| 117 import dmd.OnScopeStatement; | |
| 118 import dmd.IfStatement; | |
| 119 import dmd.SwitchStatement; | |
| 120 import dmd.CaseStatement; | |
| 121 import dmd.DefaultStatement; | |
| 122 import dmd.GotoDefaultStatement; | |
| 123 import dmd.GotoCaseStatement; | |
| 124 import dmd.GotoStatement; | |
| 125 import dmd.SynchronizedStatement; | |
| 126 import dmd.WithStatement; | |
| 127 import dmd.Catch; | |
| 128 import dmd.TryCatchStatement; | |
| 129 import dmd.TryFinallyStatement; | |
| 130 import dmd.ThrowStatement; | |
| 131 import dmd.VolatileStatement; | |
| 132 import dmd.ReturnStatement; | |
| 133 import dmd.BreakStatement; | |
| 134 import dmd.ContinueStatement; | |
| 135 import dmd.AsmStatement; | |
| 136 import dmd.TypeReturn; | |
| 137 import dmd.TypeTypeof; | |
| 138 import dmd.ForeachRangeStatement; | |
| 139 import dmd.ForeachStatement; | |
| 140 import dmd.CompileStatement; | |
| 141 import dmd.CompoundStatement; | |
| 142 import dmd.ConditionalStatement; | |
| 143 import dmd.CompoundDeclarationStatement; | |
|
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144 import dmd.Parameter; |
| 0 | 145 import dmd.ParseStatementFlags; |
| 79 | 146 import dmd.TypeNewArray; |
| 0 | 147 import dmd.TypeNext; |
| 148 import dmd.TypeInstance; | |
| 149 import dmd.TypePointer; | |
| 150 import dmd.TypeDArray; | |
| 151 import dmd.TypeAArray; | |
| 152 import dmd.TypeSlice; | |
| 153 import dmd.TypeSArray; | |
| 154 import dmd.TemplateInstance; | |
| 155 import dmd.TypeIdentifier; | |
| 156 import dmd.VarDeclaration; | |
| 157 import dmd.TypeFunction; | |
| 158 import dmd.TypeDelegate; | |
| 159 import dmd.TY; | |
| 160 import dmd.LinkDeclaration; | |
| 161 import dmd.Declaration; | |
| 162 import dmd.AggregateDeclaration; | |
| 163 import dmd.TypedefDeclaration; | |
| 164 import dmd.AliasDeclaration; | |
| 165 import dmd.LINK; | |
| 166 import dmd.Loc; | |
| 167 import dmd.Module; | |
| 168 import dmd.Array; | |
| 169 import dmd.Expression; | |
| 170 import dmd.TemplateDeclaration; | |
| 171 import dmd.ArrayTypes; | |
| 172 import dmd.Dsymbol; | |
| 173 import dmd.StaticAssert; | |
| 174 import dmd.TypeQualified; | |
| 175 import dmd.Condition; | |
| 176 import dmd.PostBlitDeclaration; | |
| 177 import dmd.DtorDeclaration; | |
| 178 import dmd.ConditionalDeclaration; | |
| 179 import dmd.StaticCtorDeclaration; | |
| 180 import dmd.StaticDtorDeclaration; | |
| 181 import dmd.InvariantDeclaration; | |
| 182 import dmd.UnitTestDeclaration; | |
| 183 import dmd.NewDeclaration; | |
| 184 import dmd.DeleteDeclaration; | |
| 185 import dmd.EnumDeclaration; | |
| 186 import dmd.Import; | |
| 187 import dmd.Type; | |
| 188 import dmd.Identifier; | |
| 189 import dmd.FuncDeclaration; | |
| 190 import dmd.Statement; | |
| 191 import dmd.Initializer; | |
| 192 import dmd.Token; | |
| 193 import dmd.TOK; | |
| 194 import dmd.ParseStatementFlags; | |
| 195 import dmd.PROT; | |
| 196 import dmd.STC; | |
| 197 import dmd.Util; | |
| 198 import dmd.CompileDeclaration; | |
| 199 import dmd.StaticIfDeclaration; | |
| 200 import dmd.StorageClassDeclaration; | |
| 201 import dmd.LinkDeclaration; | |
| 202 import dmd.ProtDeclaration; | |
| 203 import dmd.AlignDeclaration; | |
| 204 import dmd.PragmaDeclaration; | |
| 205 import dmd.DebugSymbol; | |
| 206 import dmd.VersionSymbol; | |
| 207 import dmd.AliasThis; | |
| 208 import dmd.Global; | |
|
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209 import dmd.TRUST; |
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210 import dmd.PowExp; |
| 0 | 211 |
| 212 import core.stdc.string : memcpy; | |
| 213 | |
| 34 | 214 import std.exception; |
| 4 | 215 import core.memory; |
| 0 | 216 |
| 217 class Parser : Lexer | |
| 218 { | |
| 219 ModuleDeclaration md; | |
| 220 LINK linkage; | |
| 221 Loc endloc; // set to location of last right curly | |
| 222 int inBrackets; // inside [] of array index or slice | |
| 223 | |
| 224 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 225 { | |
| 178 | 226 register(); |
| 0 | 227 super(module_, base, 0, length, doDocComment, 0); |
| 228 //printf("Parser.Parser()\n"); | |
| 229 linkage = LINK.LINKd; | |
| 230 //nextToken(); // start up the scanner | |
| 231 } | |
| 232 | |
|
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233 Dsymbols parseModule() |
| 0 | 234 { |
|
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235 typeof(return) decldefs; |
| 0 | 236 |
| 237 // ModuleDeclation leads off | |
| 238 if (token.value == TOK.TOKmodule) | |
| 239 { | |
| 79 | 240 string comment = token.blockComment; |
| 0 | 241 bool safe = false; |
| 242 | |
| 243 nextToken(); | |
|
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244 static if(false) { |
| 0 | 245 version (DMDV2) { |
| 246 if (token.value == TOK.TOKlparen) | |
| 247 { | |
| 248 nextToken(); | |
| 249 if (token.value != TOK.TOKidentifier) | |
| 250 { | |
| 251 error("module (system) identifier expected"); | |
| 252 goto Lerr; | |
| 253 } | |
| 254 Identifier id = token.ident; | |
| 255 | |
| 256 if (id is Id.system) | |
| 257 safe = true; | |
| 258 else | |
| 259 error("(safe) expected, not %s", id.toChars()); | |
| 260 nextToken(); | |
| 261 check(TOK.TOKrparen); | |
| 262 } | |
| 263 } | |
|
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264 } |
| 0 | 265 |
| 266 if (token.value != TOK.TOKidentifier) | |
| 267 { | |
| 268 error("Identifier expected following module"); | |
| 269 goto Lerr; | |
| 270 } | |
| 271 else | |
| 272 { | |
|
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273 Identifiers a = null; |
| 0 | 274 Identifier id = token.ident; |
| 275 while (nextToken() == TOK.TOKdot) | |
| 276 { | |
| 277 if (!a) | |
|
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278 a = new Identifiers(); |
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279 a.push(id); |
| 0 | 280 nextToken(); |
| 281 if (token.value != TOK.TOKidentifier) | |
| 282 { error("Identifier expected following package"); | |
| 283 goto Lerr; | |
| 284 } | |
| 285 id = token.ident; | |
| 286 } | |
| 287 | |
| 288 md = new ModuleDeclaration(a, id, safe); | |
| 289 | |
| 290 if (token.value != TOK.TOKsemicolon) | |
| 291 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 292 | |
| 293 nextToken(); | |
| 294 addComment(mod, comment); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 decldefs = parseDeclDefs(0); | |
| 299 if (token.value != TOK.TOKeof) | |
| 300 { | |
| 301 error("unrecognized declaration"); | |
| 302 goto Lerr; | |
| 303 } | |
| 304 | |
| 305 return decldefs; | |
| 306 | |
| 307 Lerr: | |
| 308 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 309 nextToken(); | |
| 310 | |
| 311 nextToken(); | |
|
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312 return new Dsymbols(); |
| 0 | 313 } |
| 314 | |
|
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315 Dsymbols parseDeclDefs(int once) |
| 0 | 316 { |
| 317 Dsymbol s; | |
|
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318 Dsymbols decldefs; |
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319 Dsymbols a; |
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320 Dsymbols aelse; |
| 0 | 321 PROT prot; |
|
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322 StorageClass stc; |
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323 StorageClass storageClass; |
| 0 | 324 Condition condition; |
| 79 | 325 string comment; |
| 0 | 326 |
| 327 //printf("Parser.parseDeclDefs()\n"); | |
|
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328 decldefs = new Dsymbols(); |
| 0 | 329 do |
| 330 { | |
| 331 comment = token.blockComment; | |
| 332 storageClass = STC.STCundefined; | |
| 333 switch (token.value) | |
| 334 { | |
| 335 case TOK.TOKenum: | |
| 336 { /* Determine if this is a manifest constant declaration, | |
| 337 * or a conventional enum. | |
| 338 */ | |
| 339 Token *t = peek(&token); | |
| 340 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 341 s = parseEnum(); | |
| 342 else if (t.value != TOK.TOKidentifier) | |
| 343 goto Ldeclaration; | |
| 344 else | |
| 345 { | |
| 346 t = peek(t); | |
| 347 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 348 t.value == TOK.TOKsemicolon) | |
| 349 s = parseEnum(); | |
| 350 else | |
| 351 goto Ldeclaration; | |
| 352 } | |
| 353 break; | |
| 354 } | |
| 355 | |
| 356 case TOK.TOKstruct: | |
| 357 case TOK.TOKunion: | |
| 358 case TOK.TOKclass: | |
| 359 case TOK.TOKinterface: | |
| 360 s = parseAggregate(); | |
| 361 break; | |
| 362 | |
| 363 case TOK.TOKimport: | |
| 364 s = parseImport(decldefs, 0); | |
| 365 break; | |
| 366 | |
| 367 case TOK.TOKtemplate: | |
| 368 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 369 break; | |
| 370 | |
| 371 case TOK.TOKmixin: | |
| 372 { Loc loc = this.loc; | |
| 373 if (peek(&token).value == TOK.TOKlparen) | |
| 374 { // mixin(string) | |
| 375 nextToken(); | |
| 376 check(TOK.TOKlparen, "mixin"); | |
| 377 Expression e = parseAssignExp(); | |
| 378 check(TOK.TOKrparen); | |
| 379 check(TOK.TOKsemicolon); | |
| 380 s = new CompileDeclaration(loc, e); | |
| 381 break; | |
| 382 } | |
| 383 s = parseMixin(); | |
| 384 break; | |
| 385 } | |
| 386 | |
| 387 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 388 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 389 case TOK.TOKint8: case TOK.TOKuns8: | |
| 390 case TOK.TOKint16: case TOK.TOKuns16: | |
| 391 case TOK.TOKint32: case TOK.TOKuns32: | |
| 392 case TOK.TOKint64: case TOK.TOKuns64: | |
| 393 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 394 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 395 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 396 case TOK.TOKvoid: | |
| 397 case TOK.TOKalias: | |
| 398 case TOK.TOKtypedef: | |
| 399 case TOK.TOKidentifier: | |
| 400 case TOK.TOKtypeof: | |
| 401 case TOK.TOKdot: | |
| 402 Ldeclaration: | |
| 403 a = parseDeclarations(STC.STCundefined); | |
| 404 decldefs.append(a); | |
| 405 continue; | |
| 406 | |
| 407 case TOK.TOKthis: | |
| 408 s = parseCtor(); | |
| 409 break; | |
| 410 | |
| 411 static if (false) { // dead end, use this(this){} instead | |
| 412 case TOK.TOKassign: | |
| 413 s = parsePostBlit(); | |
| 414 break; | |
| 415 } | |
| 416 case TOK.TOKtilde: | |
| 417 s = parseDtor(); | |
| 418 break; | |
| 419 | |
| 420 case TOK.TOKinvariant: | |
| 421 { Token *t; | |
| 422 t = peek(&token); | |
| 423 if (t.value == TOK.TOKlparen) | |
| 424 { | |
| 425 if (peek(t).value == TOK.TOKrparen) | |
| 426 // invariant() forms start of class invariant | |
| 427 s = parseInvariant(); | |
| 428 else | |
| 429 // invariant(type) | |
| 430 goto Ldeclaration; | |
| 431 } | |
| 432 else | |
| 433 { | |
| 434 stc = STC.STCimmutable; | |
| 435 goto Lstc; | |
| 436 } | |
| 437 break; | |
| 438 } | |
| 439 | |
| 440 case TOK.TOKunittest: | |
| 441 s = parseUnitTest(); | |
| 442 break; | |
| 443 | |
| 444 case TOK.TOKnew: | |
| 445 s = parseNew(); | |
| 446 break; | |
| 447 | |
| 448 case TOK.TOKdelete: | |
| 449 s = parseDelete(); | |
| 450 break; | |
| 451 | |
| 452 case TOK.TOKeof: | |
| 453 case TOK.TOKrcurly: | |
| 454 return decldefs; | |
| 455 | |
| 456 case TOK.TOKstatic: | |
| 457 nextToken(); | |
| 458 if (token.value == TOK.TOKthis) | |
| 459 s = parseStaticCtor(); | |
| 460 else if (token.value == TOK.TOKtilde) | |
| 461 s = parseStaticDtor(); | |
| 462 else if (token.value == TOK.TOKassert) | |
| 463 s = parseStaticAssert(); | |
| 464 else if (token.value == TOK.TOKif) | |
| 465 { condition = parseStaticIfCondition(); | |
| 466 a = parseBlock(); | |
| 467 aelse = null; | |
| 468 if (token.value == TOK.TOKelse) | |
| 469 { nextToken(); | |
| 470 aelse = parseBlock(); | |
| 471 } | |
| 472 s = new StaticIfDeclaration(condition, a, aelse); | |
| 473 break; | |
| 474 } | |
| 475 else if (token.value == TOK.TOKimport) | |
| 476 { | |
| 477 s = parseImport(decldefs, 1); | |
| 478 } | |
| 479 else | |
| 480 { stc = STC.STCstatic; | |
| 481 goto Lstc2; | |
| 482 } | |
| 483 break; | |
| 484 | |
| 485 case TOK.TOKconst: | |
| 179 | 486 if (peekNext() == TOKlparen) |
| 0 | 487 goto Ldeclaration; |
| 488 stc = STC.STCconst; | |
| 489 goto Lstc; | |
| 490 | |
| 491 case TOK.TOKimmutable: | |
| 179 | 492 if (peekNext() == TOKlparen) |
| 0 | 493 goto Ldeclaration; |
| 494 stc = STC.STCimmutable; | |
| 495 goto Lstc; | |
| 496 | |
| 497 case TOK.TOKshared: | |
| 179 | 498 { |
| 499 TOK next = peekNext(); | |
| 500 if (next == TOKlparen) | |
| 501 goto Ldeclaration; | |
| 502 if (next == TOKstatic) | |
| 503 { | |
| 504 TOK next2 = peekNext2(); | |
| 505 if (next2 == TOKthis) | |
| 506 { | |
| 507 s = parseSharedStaticCtor(); | |
| 508 break; | |
| 509 } | |
| 510 if (next2 == TOKtilde) | |
| 511 { | |
| 512 s = parseSharedStaticDtor(); | |
| 513 break; | |
| 514 } | |
| 515 } | |
| 516 stc = STCshared; | |
| 517 goto Lstc; | |
| 518 } | |
| 519 | |
| 520 case TOKwild: | |
| 521 if (peekNext() == TOKlparen) | |
| 135 | 522 goto Ldeclaration; |
| 523 stc = STCwild; | |
| 524 goto Lstc; | |
| 525 | |
| 0 | 526 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; |
| 527 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 528 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 529 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 530 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 531 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 532 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 533 version (DMDV2) { | |
| 534 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 535 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 536 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 537 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 538 case TOK.TOKgshared: | |
| 539 stc = STC.STCgshared; goto Lstc; | |
| 540 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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541 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 542 } |
| 543 | |
| 544 Lstc: | |
| 545 if (storageClass & stc) | |
| 546 error("redundant storage class %s", Token.toChars(token.value)); | |
| 547 composeStorageClass(storageClass | stc); | |
| 548 nextToken(); | |
| 549 Lstc2: | |
| 550 storageClass |= stc; | |
| 551 switch (token.value) | |
| 552 { | |
| 553 case TOK.TOKconst: | |
| 554 case TOK.TOKinvariant: | |
| 555 case TOK.TOKimmutable: | |
| 556 case TOK.TOKshared: | |
| 135 | 557 case TOKwild: |
| 0 | 558 // If followed by a (, it is not a storage class |
| 559 if (peek(&token).value == TOK.TOKlparen) | |
| 560 break; | |
| 561 if (token.value == TOK.TOKconst) | |
| 562 stc = STC.STCconst; | |
| 563 else if (token.value == TOK.TOKshared) | |
| 564 stc = STC.STCshared; | |
| 135 | 565 else if (token.value == TOKwild) |
| 566 stc = STC.STCwild; | |
| 0 | 567 else |
| 568 stc = STC.STCimmutable; | |
| 569 goto Lstc; | |
| 570 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 571 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 572 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 573 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 574 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 575 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 576 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 577 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 578 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 579 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 580 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 581 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 582 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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583 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 584 default: |
| 585 break; | |
| 586 } | |
| 587 | |
| 588 /* Look for auto initializers: | |
| 589 * storage_class identifier = initializer; | |
| 590 */ | |
| 591 if (token.value == TOK.TOKidentifier && | |
| 592 peek(&token).value == TOK.TOKassign) | |
| 593 { | |
| 594 a = parseAutoDeclarations(storageClass, comment); | |
| 595 decldefs.append(a); | |
| 596 continue; | |
| 597 } | |
| 598 | |
| 599 /* Look for return type inference for template functions. | |
| 600 */ | |
| 601 Token *tk; | |
| 602 if (token.value == TOK.TOKidentifier && | |
| 603 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 604 skipParens(tk, &tk) && | |
| 605 (peek(tk).value == TOK.TOKlparen || | |
| 606 peek(tk).value == TOK.TOKlcurly) | |
| 607 ) | |
| 608 { | |
| 609 a = parseDeclarations(storageClass); | |
| 610 decldefs.append(a); | |
| 611 continue; | |
| 612 } | |
| 613 a = parseBlock(); | |
| 614 s = new StorageClassDeclaration(storageClass, a); | |
| 615 break; | |
| 616 | |
| 617 case TOK.TOKextern: | |
| 618 if (peek(&token).value != TOK.TOKlparen) | |
| 619 { | |
| 620 stc = STC.STCextern; | |
| 621 goto Lstc; | |
| 622 } | |
| 623 { | |
| 624 LINK linksave = linkage; | |
| 625 linkage = parseLinkage(); | |
| 626 a = parseBlock(); | |
| 627 s = new LinkDeclaration(linkage, a); | |
| 628 linkage = linksave; | |
| 629 break; | |
| 630 } | |
| 631 | |
| 632 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 633 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 634 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 635 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 636 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 637 Lprot: | |
| 638 nextToken(); | |
| 639 switch (token.value) | |
| 640 { | |
| 641 case TOK.TOKprivate: | |
| 642 case TOK.TOKpackage: | |
| 643 case TOK.TOKprotected: | |
| 644 case TOK.TOKpublic: | |
| 645 case TOK.TOKexport: | |
| 646 error("redundant protection attribute"); | |
| 647 break; | |
| 648 default: | |
| 649 break; | |
| 650 } | |
| 651 a = parseBlock(); | |
| 652 s = new ProtDeclaration(prot, a); | |
| 653 break; | |
| 654 | |
| 655 case TOK.TOKalign: | |
| 656 { uint n; | |
| 657 | |
| 658 s = null; | |
| 659 nextToken(); | |
| 660 if (token.value == TOK.TOKlparen) | |
| 661 { | |
| 662 nextToken(); | |
| 663 if (token.value == TOK.TOKint32v) | |
| 664 n = cast(uint)token.uns64value; | |
| 665 else | |
| 666 { error("integer expected, not %s", token.toChars()); | |
| 667 n = 1; | |
| 668 } | |
| 669 nextToken(); | |
| 670 check(TOK.TOKrparen); | |
| 671 } | |
| 672 else | |
| 673 n = global.structalign; // default | |
| 674 | |
| 675 a = parseBlock(); | |
| 676 s = new AlignDeclaration(n, a); | |
| 677 break; | |
| 678 } | |
| 679 | |
| 680 case TOK.TOKpragma: | |
| 681 { Identifier ident; | |
| 682 Expressions args = null; | |
| 683 | |
| 684 nextToken(); | |
| 685 check(TOK.TOKlparen); | |
| 686 if (token.value != TOK.TOKidentifier) | |
| 687 { error("pragma(identifier expected"); | |
| 688 goto Lerror; | |
| 689 } | |
| 690 ident = token.ident; | |
| 691 nextToken(); | |
| 692 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 693 args = parseArguments(); // pragma(identifier, args...) | |
| 694 else | |
| 695 check(TOK.TOKrparen); // pragma(identifier) | |
| 696 | |
| 697 if (token.value == TOK.TOKsemicolon) | |
| 698 a = null; | |
| 699 else | |
| 700 a = parseBlock(); | |
| 701 s = new PragmaDeclaration(loc, ident, args, a); | |
| 702 break; | |
| 703 } | |
| 704 | |
| 705 case TOK.TOKdebug: | |
| 706 nextToken(); | |
| 707 if (token.value == TOK.TOKassign) | |
| 708 { | |
| 709 nextToken(); | |
| 710 if (token.value == TOK.TOKidentifier) | |
| 711 s = new DebugSymbol(loc, token.ident); | |
| 712 else if (token.value == TOK.TOKint32v) | |
| 713 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 714 else | |
| 715 { error("identifier or integer expected, not %s", token.toChars()); | |
| 716 s = null; | |
| 717 } | |
| 718 nextToken(); | |
| 719 if (token.value != TOK.TOKsemicolon) | |
| 720 error("semicolon expected"); | |
| 721 nextToken(); | |
| 722 break; | |
| 723 } | |
| 724 | |
| 725 condition = parseDebugCondition(); | |
| 726 goto Lcondition; | |
| 727 | |
| 728 case TOK.TOKversion: | |
| 729 nextToken(); | |
| 730 if (token.value == TOK.TOKassign) | |
| 731 { | |
| 732 nextToken(); | |
| 733 if (token.value == TOK.TOKidentifier) | |
| 734 s = new VersionSymbol(loc, token.ident); | |
| 735 else if (token.value == TOK.TOKint32v) | |
| 736 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 737 else | |
| 738 { error("identifier or integer expected, not %s", token.toChars()); | |
| 739 s = null; | |
| 740 } | |
| 741 nextToken(); | |
| 742 if (token.value != TOK.TOKsemicolon) | |
| 743 error("semicolon expected"); | |
| 744 nextToken(); | |
| 745 break; | |
| 746 } | |
| 747 condition = parseVersionCondition(); | |
| 748 goto Lcondition; | |
| 749 | |
| 750 Lcondition: | |
| 751 a = parseBlock(); | |
| 752 aelse = null; | |
| 753 if (token.value == TOK.TOKelse) | |
| 754 { nextToken(); | |
| 755 aelse = parseBlock(); | |
| 756 } | |
| 757 s = new ConditionalDeclaration(condition, a, aelse); | |
| 758 break; | |
| 759 | |
| 760 case TOK.TOKsemicolon: // empty declaration | |
| 761 nextToken(); | |
| 762 continue; | |
| 763 | |
| 764 default: | |
| 765 error("Declaration expected, not '%s'",token.toChars()); | |
| 766 Lerror: | |
| 767 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 768 nextToken(); | |
| 769 nextToken(); | |
| 770 s = null; | |
| 771 continue; | |
| 772 } | |
| 773 if (s) | |
|
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774 { decldefs.push(s); |
| 0 | 775 addComment(s, comment); |
| 776 } | |
| 777 } while (!once); | |
| 778 return decldefs; | |
| 779 } | |
| 780 | |
| 781 /***************************************** | |
| 782 * Parse auto declarations of the form: | |
| 783 * storageClass ident = init, ident = init, ... ; | |
| 784 * and return the array of them. | |
| 785 * Starts with token on the first ident. | |
| 786 * Ends with scanner past closing ';' | |
| 787 */ | |
| 79 | 788 version (DMDV2) |
| 789 { | |
|
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790 Dsymbols parseAutoDeclarations(StorageClass storageClass, const(char)[] comment) |
| 0 | 791 { |
|
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792 auto a = new Dsymbols; |
| 0 | 793 |
| 794 while (true) | |
| 795 { | |
| 796 Identifier ident = token.ident; | |
| 797 nextToken(); // skip over ident | |
| 798 assert(token.value == TOKassign); | |
| 799 nextToken(); // skip over '=' | |
| 800 Initializer init = parseInitializer(); | |
|
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801 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 802 v.storage_class = storageClass; |
|
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803 a.push(v); |
| 0 | 804 if (token.value == TOKsemicolon) |
| 805 { | |
| 806 nextToken(); | |
| 807 addComment(v, comment); | |
| 808 } | |
| 809 else if (token.value == TOKcomma) | |
| 810 { | |
| 811 nextToken(); | |
| 812 if (token.value == TOKidentifier && | |
| 813 peek(&token).value == TOKassign) | |
| 814 { | |
| 815 addComment(v, comment); | |
| 816 continue; | |
| 817 } | |
| 818 else | |
| 819 error("Identifier expected following comma"); | |
| 820 } | |
| 821 else | |
| 822 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 823 break; | |
| 824 } | |
| 825 return a; | |
| 826 } | |
| 827 } | |
| 828 /******************************************** | |
| 829 * Parse declarations after an align, protection, or extern decl. | |
| 830 */ | |
|
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831 Dsymbols parseBlock() |
| 0 | 832 { |
|
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833 Dsymbols a = null; |
| 0 | 834 Dsymbol ss; |
| 835 | |
| 836 //printf("parseBlock()\n"); | |
| 837 switch (token.value) | |
| 838 { | |
| 839 case TOK.TOKsemicolon: | |
| 840 error("declaration expected following attribute, not ';'"); | |
| 841 nextToken(); | |
| 842 break; | |
| 843 | |
| 844 case TOK.TOKeof: | |
| 845 error("declaration expected following attribute, not EOF"); | |
| 846 break; | |
| 847 | |
| 848 case TOK.TOKlcurly: | |
| 849 nextToken(); | |
| 850 a = parseDeclDefs(0); | |
| 851 if (token.value != TOK.TOKrcurly) | |
| 852 { /* { */ | |
| 853 error("matching '}' expected, not %s", token.toChars()); | |
| 854 } | |
| 855 else | |
| 856 nextToken(); | |
| 857 break; | |
| 858 | |
| 859 case TOK.TOKcolon: | |
| 860 nextToken(); | |
| 861 static if (false) { | |
| 862 a = null; | |
| 863 } else { | |
| 864 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 865 } | |
| 866 break; | |
| 867 | |
| 868 default: | |
| 869 a = parseDeclDefs(1); | |
| 870 break; | |
| 871 } | |
| 872 return a; | |
| 873 } | |
|
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874 version(DMDV2) { |
|
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875 void composeStorageClass(StorageClass stc) |
| 0 | 876 { |
|
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877 StorageClass u = stc; |
| 0 | 878 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; |
| 879 if (u & (u - 1)) | |
| 880 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 881 | |
| 882 u = stc; | |
| 883 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 884 if (u & (u - 1)) | |
| 885 error("conflicting storage class %s", Token.toChars(token.value)); | |
|
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886 u = stc; |
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887 u &= STCsafe | STCsystem | STCtrusted; |
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888 if (u & (u - 1)) |
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889 error("conflicting attribute @%s", token.toChars()); |
| 0 | 890 } |
|
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891 } |
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892 |
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893 /*********************************************** |
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894 * Parse storage class, lexer is on '@' |
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895 */ |
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896 |
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897 version(DMDV2) { |
|
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898 StorageClass parseAttribute() |
|
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899 { |
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900 nextToken(); |
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901 StorageClass stc = STCundefined; |
|
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902 if (token.value != TOKidentifier) |
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903 { |
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904 error("identifier expected after @, not %s", token.toChars()); |
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905 } |
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906 else if (token.ident == Id.property) |
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907 stc = STCproperty; |
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908 else if (token.ident == Id.safe) |
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909 stc = STCsafe; |
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910 else if (token.ident == Id.trusted) |
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911 stc = STCtrusted; |
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912 else if (token.ident == Id.system) |
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913 stc = STCsystem; |
| 179 | 914 else if (token.ident == Id.disable) |
| 915 stc = STCdisable; | |
| 916 else | |
| 917 error("valid attribute identifiers are @property, @safe, @trusted, @system, @disable not @%s", token.toChars()); | |
| 918 | |
|
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919 return stc; |
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920 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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921 } |
| 0 | 922 /************************************** |
| 923 * Parse constraint. | |
| 924 * Constraint is of the form: | |
| 925 * if ( ConstraintExpression ) | |
| 926 */ | |
| 927 version (DMDV2) { | |
| 928 Expression parseConstraint() | |
| 929 { | |
| 930 Expression e = null; | |
| 931 | |
| 932 if (token.value == TOKif) | |
| 933 { | |
| 934 nextToken(); // skip over 'if' | |
| 935 check(TOKlparen); | |
| 936 e = parseExpression(); | |
| 937 check(TOKrparen); | |
| 938 } | |
| 939 return e; | |
| 940 } | |
| 941 } | |
| 942 /************************************** | |
| 943 * Parse a TemplateDeclaration. | |
| 944 */ | |
| 945 TemplateDeclaration parseTemplateDeclaration() | |
| 946 { | |
| 947 TemplateDeclaration tempdecl; | |
| 948 Identifier id; | |
| 949 TemplateParameters tpl; | |
|
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|
950 Dsymbols decldefs; |
| 0 | 951 Expression constraint = null; |
| 952 Loc loc = this.loc; | |
| 953 | |
| 954 nextToken(); | |
| 955 if (token.value != TOKidentifier) | |
| 956 { | |
| 957 error("TemplateIdentifier expected following template"); | |
| 958 goto Lerr; | |
| 959 } | |
| 960 id = token.ident; | |
| 961 nextToken(); | |
| 962 tpl = parseTemplateParameterList(); | |
| 963 if (!tpl) | |
| 964 goto Lerr; | |
| 965 | |
| 966 constraint = parseConstraint(); | |
| 967 | |
| 968 if (token.value != TOKlcurly) | |
| 969 { | |
| 970 error("members of template declaration expected"); | |
| 971 goto Lerr; | |
| 972 } | |
| 973 else | |
| 974 { | |
| 975 nextToken(); | |
| 976 decldefs = parseDeclDefs(0); | |
| 977 if (token.value != TOKrcurly) | |
| 978 { | |
| 979 error("template member expected"); | |
| 980 goto Lerr; | |
| 981 } | |
| 982 nextToken(); | |
| 983 } | |
| 984 | |
| 985 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 986 return tempdecl; | |
| 987 | |
| 988 Lerr: | |
| 989 return null; | |
| 990 } | |
| 991 | |
| 992 /****************************************** | |
| 993 * Parse template parameter list. | |
| 994 * Input: | |
| 995 * flag 0: parsing "( list )" | |
| 996 * 1: parsing non-empty "list )" | |
| 997 */ | |
| 998 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 999 { | |
| 1000 TemplateParameters tpl = new TemplateParameters(); | |
| 1001 | |
| 1002 if (!flag && token.value != TOKlparen) | |
| 1003 { | |
| 1004 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 1005 goto Lerr; | |
| 1006 } | |
| 1007 nextToken(); | |
| 1008 | |
| 1009 // Get array of TemplateParameters | |
| 1010 if (flag || token.value != TOKrparen) | |
| 1011 { | |
| 1012 int isvariadic = 0; | |
| 1013 | |
| 1014 while (true) | |
| 1015 { | |
| 1016 TemplateParameter tp; | |
| 1017 Identifier tp_ident = null; | |
| 1018 Type tp_spectype = null; | |
| 1019 Type tp_valtype = null; | |
| 1020 Type tp_defaulttype = null; | |
| 1021 Expression tp_specvalue = null; | |
| 1022 Expression tp_defaultvalue = null; | |
| 1023 Token* t; | |
| 1024 | |
| 1025 // Get TemplateParameter | |
| 1026 | |
| 1027 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 1028 t = peek(&token); | |
| 1029 if (token.value == TOKalias) | |
| 1030 { | |
| 1031 // AliasParameter | |
| 1032 nextToken(); | |
| 1033 Type spectype = null; | |
| 1034 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 1035 { | |
| 1036 spectype = parseType(&tp_ident); | |
| 1037 } | |
| 1038 else | |
| 1039 { | |
| 1040 if (token.value != TOKidentifier) | |
| 1041 { | |
| 1042 error("identifier expected for template alias parameter"); | |
| 1043 goto Lerr; | |
| 1044 } | |
| 1045 tp_ident = token.ident; | |
| 1046 nextToken(); | |
| 1047 } | |
| 1048 Object spec = null; | |
| 1049 if (token.value == TOKcolon) // : Type | |
| 1050 { | |
| 1051 nextToken(); | |
| 1052 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1053 spec = parseType(); | |
| 1054 else | |
| 1055 spec = parseCondExp(); | |
| 1056 } | |
| 1057 Object def = null; | |
| 1058 if (token.value == TOKassign) // = Type | |
| 1059 { | |
| 1060 nextToken(); | |
| 1061 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1062 def = parseType(); | |
| 1063 else | |
| 1064 def = parseCondExp(); | |
| 1065 } | |
| 1066 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 1067 } | |
| 1068 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 1069 t.value == TOKcomma || t.value == TOKrparen) | |
| 1070 { // TypeParameter | |
| 1071 if (token.value != TOKidentifier) | |
| 1072 { error("identifier expected for template type parameter"); | |
| 1073 goto Lerr; | |
| 1074 } | |
| 1075 tp_ident = token.ident; | |
| 1076 nextToken(); | |
| 1077 if (token.value == TOKcolon) // : Type | |
| 1078 { | |
| 1079 nextToken(); | |
| 1080 tp_spectype = parseType(); | |
| 1081 } | |
| 1082 if (token.value == TOKassign) // = Type | |
| 1083 { | |
| 1084 nextToken(); | |
| 1085 tp_defaulttype = parseType(); | |
| 1086 } | |
| 1087 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1088 } | |
| 1089 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1090 { // ident... | |
| 1091 if (isvariadic) | |
| 1092 error("variadic template parameter must be last"); | |
| 1093 isvariadic = 1; | |
| 1094 tp_ident = token.ident; | |
| 1095 nextToken(); | |
| 1096 nextToken(); | |
| 1097 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1098 } | |
| 1099 /// version (DMDV2) { | |
| 1100 else if (token.value == TOKthis) | |
| 1101 { // ThisParameter | |
| 1102 nextToken(); | |
| 1103 if (token.value != TOKidentifier) | |
| 1104 { error("identifier expected for template this parameter"); | |
| 1105 goto Lerr; | |
| 1106 } | |
| 1107 tp_ident = token.ident; | |
| 1108 nextToken(); | |
| 1109 if (token.value == TOKcolon) // : Type | |
| 1110 { | |
| 1111 nextToken(); | |
| 1112 tp_spectype = parseType(); | |
| 1113 } | |
| 1114 if (token.value == TOKassign) // = Type | |
| 1115 { | |
| 1116 nextToken(); | |
| 1117 tp_defaulttype = parseType(); | |
| 1118 } | |
| 1119 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1120 } | |
| 1121 /// } | |
| 1122 else | |
| 1123 { // ValueParameter | |
| 1124 tp_valtype = parseType(&tp_ident); | |
| 1125 if (!tp_ident) | |
| 1126 { | |
| 1127 error("identifier expected for template value parameter"); | |
| 1128 tp_ident = new Identifier("error", TOKidentifier); | |
| 1129 } | |
| 1130 if (token.value == TOKcolon) // : CondExpression | |
| 1131 { | |
| 1132 nextToken(); | |
| 1133 tp_specvalue = parseCondExp(); | |
| 1134 } | |
| 1135 if (token.value == TOKassign) // = CondExpression | |
| 1136 { | |
| 1137 nextToken(); | |
| 1138 tp_defaultvalue = parseDefaultInitExp(); | |
| 1139 } | |
| 1140 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1141 } | |
|
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1142 tpl.push(tp); |
| 0 | 1143 if (token.value != TOKcomma) |
| 1144 break; | |
| 1145 nextToken(); | |
| 1146 } | |
| 1147 } | |
| 1148 check(TOKrparen); | |
| 1149 | |
| 1150 Lerr: | |
| 1151 return tpl; | |
| 1152 } | |
|
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01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
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1153 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1154 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1155 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1156 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1157 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1158 * mixin a.b.c!(args).Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1159 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1160 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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1161 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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changeset
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1162 |
| 0 | 1163 Dsymbol parseMixin() |
| 1164 { | |
| 13 | 1165 TemplateMixin tm; |
| 1166 Identifier id; | |
| 1167 Type tqual; | |
| 1168 Objects tiargs; | |
| 1169 Array idents; | |
| 1170 | |
| 1171 //printf("parseMixin()\n"); | |
| 1172 nextToken(); | |
| 1173 tqual = null; | |
| 1174 if (token.value == TOKdot) | |
| 1175 { | |
| 1176 id = Id.empty; | |
| 1177 } | |
| 1178 else | |
| 1179 { | |
| 1180 if (token.value == TOKtypeof) | |
| 1181 { | |
| 1182 tqual = parseTypeof(); | |
| 1183 check(TOKdot); | |
| 1184 } | |
| 1185 if (token.value != TOKidentifier) | |
| 1186 { | |
| 1187 error("identifier expected, not %s", token.toChars()); | |
| 1188 id = Id.empty; | |
| 1189 } | |
| 1190 else | |
| 1191 id = token.ident; | |
| 1192 nextToken(); | |
| 1193 } | |
| 1194 | |
| 1195 idents = new Array(); | |
| 1196 while (1) | |
| 1197 { | |
| 1198 tiargs = null; | |
| 1199 if (token.value == TOKnot) | |
| 1200 { | |
| 1201 nextToken(); | |
| 1202 if (token.value == TOKlparen) | |
| 1203 tiargs = parseTemplateArgumentList(); | |
| 1204 else | |
| 1205 tiargs = parseTemplateArgument(); | |
| 1206 } | |
| 1207 if (token.value != TOKdot) | |
| 1208 break; | |
| 1209 if (tiargs) | |
| 1210 { | |
| 1211 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1212 tempinst.tiargs = tiargs; | |
| 1213 id = cast(Identifier)tempinst; | |
| 1214 tiargs = null; | |
| 1215 } | |
| 1216 idents.push(cast(void*)id); | |
| 1217 nextToken(); | |
| 1218 if (token.value != TOKidentifier) | |
| 1219 { | |
| 1220 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1221 break; | |
| 1222 } | |
| 1223 id = token.ident; | |
| 1224 nextToken(); | |
| 1225 } | |
| 1226 idents.push(cast(void*)id); | |
| 1227 if (token.value == TOKidentifier) | |
| 1228 { | |
| 1229 id = token.ident; | |
| 1230 nextToken(); | |
| 1231 } | |
| 1232 else | |
| 1233 id = null; | |
| 1234 | |
| 1235 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1236 if (token.value != TOKsemicolon) | |
| 1237 error("';' expected after mixin"); | |
| 1238 nextToken(); | |
| 1239 return tm; | |
| 0 | 1240 } |
| 1241 | |
| 1242 /****************************************** | |
| 1243 * Parse template argument list. | |
| 1244 * Input: | |
| 1245 * current token is opening '(' | |
| 1246 * Output: | |
| 1247 * current token is one after closing ')' | |
| 1248 */ | |
| 1249 Objects parseTemplateArgumentList() | |
| 1250 { | |
| 1251 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1252 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1253 { | |
| 1254 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1255 return new Objects(); | |
| 1256 } | |
| 1257 return parseTemplateArgumentList2(); | |
| 1258 } | |
| 1259 | |
| 1260 Objects parseTemplateArgumentList2() | |
| 1261 { | |
| 1262 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1263 Objects tiargs = new Objects(); | |
| 1264 TOK endtok = TOKrparen; | |
| 1265 nextToken(); | |
| 1266 | |
| 1267 // Get TemplateArgumentList | |
| 1268 if (token.value != endtok) | |
| 1269 { | |
| 1270 while (1) | |
| 1271 { | |
| 1272 // See if it is an Expression or a Type | |
| 1273 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1274 { // Template argument is a type | |
| 1275 Type ta = parseType(); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1276 tiargs.push(ta); |
| 0 | 1277 } |
| 1278 else | |
| 1279 { // Template argument is an expression | |
| 1280 Expression ea = parseAssignExp(); | |
| 1281 | |
| 1282 if (ea.op == TOKfunction) | |
| 1283 { | |
| 1284 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1285 if (fd.type.ty == Tfunction) | |
| 1286 { | |
| 1287 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1288 /* If there are parameters that consist of only an identifier, | |
| 1289 * rather than assuming the identifier is a type, as we would | |
| 1290 * for regular function declarations, assume the identifier | |
| 1291 * is the parameter name, and we're building a template with | |
| 1292 * a deduced type. | |
| 1293 */ | |
| 1294 TemplateParameters tpl = null; | |
|
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ClassDeclarations, Arguments -> Vector
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diff
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|
1295 foreach (param; tf.parameters) |
| 0 | 1296 { |
| 1297 if (param.ident is null && | |
| 1298 param.type && | |
| 1299 param.type.ty == Tident && | |
| 1300 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1301 ) | |
| 1302 { | |
| 1303 /* Switch parameter type to parameter identifier, | |
| 1304 * parameterize with template type parameter _T | |
| 1305 */ | |
|
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ClassDeclarations, Arguments -> Vector
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|
1306 auto pt = cast(TypeIdentifier)param.type; |
| 0 | 1307 param.ident = pt.ident; |
| 1308 Identifier id = Lexer.uniqueId("__T"); | |
| 1309 param.type = new TypeIdentifier(pt.loc, id); | |
|
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|
1310 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1311 if (!tpl) |
| 1312 tpl = new TemplateParameters(); | |
|
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1313 tpl.push(tp); |
| 0 | 1314 } |
| 1315 } | |
| 1316 | |
| 1317 if (tpl) | |
| 1318 { | |
| 1319 // Wrap a template around function fd | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
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|
1320 auto decldefs = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
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|
1321 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
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|
1322 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1323 tempdecl.literal = 1; // it's a template 'literal' |
|
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|
1324 tiargs.push(tempdecl); |
| 0 | 1325 goto L1; |
| 1326 } | |
| 1327 } | |
| 1328 } | |
| 1329 | |
|
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Objects -> Vector!Object iteration 1
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|
1330 tiargs.push(ea); |
| 0 | 1331 } |
| 1332 L1: | |
| 1333 if (token.value != TOKcomma) | |
| 1334 break; | |
| 1335 nextToken(); | |
| 1336 } | |
| 1337 } | |
| 1338 check(endtok, "template argument list"); | |
| 1339 return tiargs; | |
| 1340 } | |
| 1341 | |
| 2 | 1342 /***************************** |
| 1343 * Parse single template argument, to support the syntax: | |
| 1344 * foo!arg | |
| 1345 * Input: | |
| 1346 * current token is the arg | |
| 1347 */ | |
| 0 | 1348 Objects parseTemplateArgument() |
| 1349 { | |
| 2 | 1350 //printf("parseTemplateArgument()\n"); |
| 1351 Objects tiargs = new Objects(); | |
| 1352 Type ta; | |
| 1353 switch (token.value) | |
| 1354 { | |
| 1355 case TOKidentifier: | |
| 1356 ta = new TypeIdentifier(loc, token.ident); | |
| 1357 goto LabelX; | |
| 1358 | |
| 1359 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1360 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1361 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1362 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1363 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1364 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1365 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1366 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1367 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1368 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1369 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1370 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1371 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1372 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1373 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1374 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1375 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1376 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1377 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1378 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1379 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1380 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1381 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1382 LabelX: | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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|
1383 tiargs.push(ta); |
| 2 | 1384 nextToken(); |
| 1385 break; | |
| 1386 | |
| 1387 case TOKint32v: | |
| 1388 case TOKuns32v: | |
| 1389 case TOKint64v: | |
| 1390 case TOKuns64v: | |
| 1391 case TOKfloat32v: | |
| 1392 case TOKfloat64v: | |
| 1393 case TOKfloat80v: | |
| 1394 case TOKimaginary32v: | |
| 1395 case TOKimaginary64v: | |
| 1396 case TOKimaginary80v: | |
| 1397 case TOKnull: | |
| 1398 case TOKtrue: | |
| 1399 case TOKfalse: | |
| 1400 case TOKcharv: | |
| 1401 case TOKwcharv: | |
| 1402 case TOKdcharv: | |
| 1403 case TOKstring: | |
| 1404 case TOKfile: | |
| 1405 case TOKline: | |
| 1406 { | |
| 1407 // Template argument is an expression | |
| 1408 Expression ea = parsePrimaryExp(); | |
|
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Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1409 tiargs.push(ea); |
| 2 | 1410 break; |
| 1411 } | |
| 1412 | |
| 1413 default: | |
| 1414 error("template argument expected following !"); | |
| 1415 break; | |
| 1416 } | |
| 1417 | |
| 1418 if (token.value == TOKnot) | |
| 1419 error("multiple ! arguments are not allowed"); | |
| 1420 return tiargs; | |
| 0 | 1421 } |
| 1422 | |
| 1423 /********************************** | |
| 1424 * Parse a static assertion. | |
| 1425 */ | |
| 1426 StaticAssert parseStaticAssert() | |
| 1427 { | |
| 1428 Loc loc = this.loc; | |
| 1429 Expression exp; | |
| 1430 Expression msg = null; | |
| 1431 | |
| 1432 //printf("parseStaticAssert()\n"); | |
| 1433 nextToken(); | |
| 1434 check(TOK.TOKlparen); | |
| 1435 exp = parseAssignExp(); | |
| 1436 if (token.value == TOK.TOKcomma) | |
| 1437 { | |
| 1438 nextToken(); | |
| 1439 msg = parseAssignExp(); | |
| 1440 } | |
| 1441 | |
| 1442 check(TOK.TOKrparen); | |
| 1443 check(TOK.TOKsemicolon); | |
| 1444 | |
| 1445 return new StaticAssert(loc, exp, msg); | |
| 1446 } | |
| 1447 | |
| 1448 TypeQualified parseTypeof() | |
| 1449 { | |
| 1450 TypeQualified t; | |
| 1451 Loc loc = this.loc; | |
| 1452 | |
| 1453 nextToken(); | |
| 1454 check(TOK.TOKlparen); | |
| 1455 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1456 { | |
| 1457 nextToken(); | |
| 1458 t = new TypeReturn(loc); | |
| 1459 } | |
| 1460 else | |
| 1461 { | |
| 1462 Expression exp = parseExpression(); // typeof(expression) | |
| 1463 t = new TypeTypeof(loc, exp); | |
| 1464 } | |
| 1465 check(TOK.TOKrparen); | |
| 1466 return t; | |
| 1467 } | |
| 1468 | |
| 1469 /*********************************** | |
| 1470 * Parse extern (linkage) | |
| 1471 * The parser is on the 'extern' token. | |
| 1472 */ | |
| 1473 LINK parseLinkage() | |
| 1474 { | |
| 1475 LINK link = LINK.LINKdefault; | |
| 1476 nextToken(); | |
| 1477 assert(token.value == TOK.TOKlparen); | |
| 1478 nextToken(); | |
| 1479 if (token.value == TOK.TOKidentifier) | |
| 1480 { | |
| 1481 Identifier id = token.ident; | |
| 1482 | |
| 1483 nextToken(); | |
| 1484 if (id == Id.Windows) | |
| 1485 link = LINK.LINKwindows; | |
| 1486 else if (id == Id.Pascal) | |
| 1487 link = LINK.LINKpascal; | |
| 1488 else if (id == Id.D) | |
| 1489 link = LINK.LINKd; | |
| 1490 else if (id == Id.C) | |
| 1491 { | |
| 1492 link = LINK.LINKc; | |
| 1493 if (token.value == TOK.TOKplusplus) | |
| 1494 { | |
| 1495 link = LINK.LINKcpp; | |
| 1496 nextToken(); | |
| 1497 } | |
| 1498 } | |
| 1499 else if (id == Id.System) | |
| 1500 { | |
| 114 | 1501 version (Windows) |
| 1502 { | |
| 0 | 1503 link = LINK.LINKwindows; |
| 114 | 1504 } |
| 1505 else | |
| 1506 { | |
| 0 | 1507 link = LINK.LINKc; |
| 1508 } | |
| 1509 } | |
| 1510 else | |
| 1511 { | |
| 1512 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1513 link = LINK.LINKd; | |
| 1514 } | |
| 1515 } | |
| 1516 else | |
| 1517 { | |
| 1518 link = LINK.LINKd; // default | |
| 1519 } | |
| 1520 check(TOK.TOKrparen); | |
| 1521 | |
| 1522 return link; | |
| 1523 } | |
| 1524 | |
| 1525 | |
| 1526 /************************************** | |
| 1527 * Parse a debug conditional | |
| 1528 */ | |
| 1529 Condition parseDebugCondition() | |
| 1530 { | |
| 1531 Condition c; | |
| 1532 | |
| 1533 if (token.value == TOK.TOKlparen) | |
| 1534 { | |
| 1535 nextToken(); | |
| 1536 uint level = 1; | |
| 1537 Identifier id = null; | |
| 1538 | |
| 1539 if (token.value == TOK.TOKidentifier) | |
| 1540 id = token.ident; | |
| 1541 else if (token.value == TOK.TOKint32v) | |
| 1542 level = cast(uint)token.uns64value; | |
| 1543 else | |
| 1544 error("identifier or integer expected, not %s", token.toChars()); | |
| 1545 | |
| 1546 nextToken(); | |
| 1547 check(TOK.TOKrparen); | |
| 1548 | |
| 1549 c = new DebugCondition(mod, level, id); | |
| 1550 } | |
| 1551 else | |
| 1552 c = new DebugCondition(mod, 1, null); | |
| 1553 | |
| 1554 return c; | |
| 1555 } | |
| 1556 | |
| 1557 /************************************** | |
| 1558 * Parse a version conditional | |
| 1559 */ | |
| 1560 Condition parseVersionCondition() | |
| 1561 { | |
| 1562 Condition c; | |
| 1563 uint level = 1; | |
| 1564 Identifier id = null; | |
| 1565 | |
| 1566 if (token.value == TOK.TOKlparen) | |
| 1567 { | |
| 1568 nextToken(); | |
| 1569 if (token.value == TOK.TOKidentifier) | |
| 1570 id = token.ident; | |
| 1571 else if (token.value == TOK.TOKint32v) | |
| 1572 level = cast(uint)token.uns64value; | |
| 1573 else { | |
| 1574 version (DMDV2) { | |
| 1575 /* Allow: | |
| 1576 * version (unittest) | |
| 1577 * even though unittest is a keyword | |
| 1578 */ | |
| 1579 if (token.value == TOK.TOKunittest) | |
| 1580 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1581 else | |
| 1582 error("identifier or integer expected, not %s", token.toChars()); | |
| 1583 } else { | |
| 1584 error("identifier or integer expected, not %s", token.toChars()); | |
| 1585 } | |
| 1586 } | |
| 1587 nextToken(); | |
| 1588 check(TOK.TOKrparen); | |
| 1589 } | |
| 1590 else | |
| 1591 error("(condition) expected following version"); | |
| 1592 | |
| 1593 c = new VersionCondition(mod, level, id); | |
| 1594 | |
| 1595 return c; | |
| 1596 } | |
| 1597 | |
| 1598 /*********************************************** | |
| 1599 * static if (expression) | |
| 1600 * body | |
| 1601 * else | |
| 1602 * body | |
| 1603 */ | |
| 1604 Condition parseStaticIfCondition() | |
| 1605 { | |
| 1606 Expression exp; | |
| 1607 Condition condition; | |
| 1608 Array aif; | |
| 1609 Array aelse; | |
| 1610 Loc loc = this.loc; | |
| 1611 | |
| 1612 nextToken(); | |
| 1613 if (token.value == TOKlparen) | |
| 1614 { | |
| 1615 nextToken(); | |
| 1616 exp = parseAssignExp(); | |
| 1617 check(TOKrparen); | |
| 1618 } | |
| 1619 else | |
| 1620 { | |
| 1621 error("(expression) expected following static if"); | |
| 1622 exp = null; | |
| 1623 } | |
| 1624 condition = new StaticIfCondition(loc, exp); | |
| 1625 return condition; | |
| 1626 } | |
| 1627 | |
| 1628 /***************************************** | |
| 1629 * Parse a constructor definition: | |
| 1630 * this(parameters) { body } | |
| 1631 * or postblit: | |
| 1632 * this(this) { body } | |
| 1633 * or constructor template: | |
| 1634 * this(templateparameters)(parameters) { body } | |
| 1635 * Current token is 'this'. | |
| 1636 */ | |
| 1637 | |
| 1638 Dsymbol parseCtor() | |
| 1639 { | |
| 1640 Loc loc = this.loc; | |
| 1641 | |
| 1642 nextToken(); | |
| 1643 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1644 { // this(this) { ... } | |
| 1645 nextToken(); | |
| 1646 nextToken(); | |
| 1647 check(TOK.TOKrparen); | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1648 auto f = new PostBlitDeclaration(loc, Loc(0)); |
| 0 | 1649 parseContracts(f); |
| 1650 return f; | |
| 1651 } | |
| 1652 | |
| 1653 /* Look ahead to see if: | |
| 1654 * this(...)(...) | |
| 1655 * which is a constructor template | |
| 1656 */ | |
| 1657 TemplateParameters tpl = null; | |
| 1658 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1659 { tpl = parseTemplateParameterList(); | |
| 1660 | |
| 1661 int varargs; | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
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1662 auto arguments = parseParameters(&varargs); |
| 0 | 1663 |
| 1664 Expression constraint = null; | |
| 1665 if (tpl) | |
| 1666 constraint = parseConstraint(); | |
| 1667 | |
| 1668 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1669 parseContracts(f); | |
| 1670 | |
| 1671 // Wrap a template around it | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1672 auto decldefs = new Dsymbols(); |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1673 decldefs.push(f); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1674 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1675 return tempdecl; |
| 1676 } | |
| 1677 | |
| 1678 /* Just a regular constructor | |
| 1679 */ | |
| 1680 int varargs; | |
|
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parents:
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diff
changeset
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1681 auto arguments = parseParameters(&varargs); |
| 0 | 1682 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); |
| 1683 parseContracts(f); | |
| 1684 return f; | |
| 1685 } | |
| 1686 | |
| 1687 PostBlitDeclaration parsePostBlit() | |
| 1688 { | |
| 1689 assert(false); | |
| 1690 } | |
| 1691 | |
| 1692 /***************************************** | |
| 1693 * Parse a destructor definition: | |
| 1694 * ~this() { body } | |
| 1695 * Current token is '~'. | |
| 1696 */ | |
| 1697 DtorDeclaration parseDtor() | |
| 1698 { | |
| 1699 DtorDeclaration f; | |
| 1700 Loc loc = this.loc; | |
| 1701 | |
| 1702 nextToken(); | |
| 1703 check(TOKthis); | |
| 1704 check(TOKlparen); | |
| 1705 check(TOKrparen); | |
| 1706 | |
| 1707 f = new DtorDeclaration(loc, Loc(0)); | |
| 1708 parseContracts(f); | |
| 1709 return f; | |
| 1710 } | |
| 1711 | |
| 1712 /***************************************** | |
| 1713 * Parse a static constructor definition: | |
| 1714 * static this() { body } | |
| 1715 * Current token is 'this'. | |
| 1716 */ | |
| 1717 StaticCtorDeclaration parseStaticCtor() | |
| 1718 { | |
| 1719 Loc loc = this.loc; | |
| 1720 | |
| 1721 nextToken(); | |
| 1722 check(TOKlparen); | |
| 1723 check(TOKrparen); | |
| 1724 | |
| 179 | 1725 StaticCtorDeclaration f = new StaticCtorDeclaration(loc, Loc(0)); |
| 0 | 1726 parseContracts(f); |
| 1727 return f; | |
| 1728 } | |
| 1729 | |
| 1730 /***************************************** | |
| 1731 * Parse a static destructor definition: | |
| 1732 * static ~this() { body } | |
| 1733 * Current token is '~'. | |
| 1734 */ | |
| 1735 StaticDtorDeclaration parseStaticDtor() | |
| 1736 { | |
| 1737 Loc loc = this.loc; | |
| 1738 | |
| 1739 nextToken(); | |
| 1740 check(TOKthis); | |
| 1741 check(TOKlparen); | |
| 1742 check(TOKrparen); | |
| 1743 | |
| 179 | 1744 StaticDtorDeclaration f = new StaticDtorDeclaration(loc, Loc(0)); |
| 1745 parseContracts(f); | |
| 1746 return f; | |
| 1747 | |
| 1748 } | |
| 1749 | |
| 1750 /***************************************** | |
| 1751 * Parse a shared static constructor definition: | |
| 1752 * shared static this() { body } | |
| 1753 * Current token is 'shared'. | |
| 1754 */ | |
| 1755 SharedStaticCtorDeclaration parseSharedStaticCtor() | |
| 1756 { | |
| 1757 Loc loc = this.loc; | |
| 1758 | |
| 1759 nextToken(); | |
| 1760 nextToken(); | |
| 1761 nextToken(); | |
| 1762 check(TOKlparen); | |
| 1763 check(TOKrparen); | |
| 1764 | |
| 1765 SharedStaticCtorDeclaration f = new SharedStaticCtorDeclaration(loc, Loc(0)); | |
| 1766 parseContracts(f); | |
| 1767 return f; | |
| 1768 } | |
| 1769 | |
| 1770 /***************************************** | |
| 1771 * Parse a shared static destructor definition: | |
| 1772 * shared static ~this() { body } | |
| 1773 * Current token is 'shared'. | |
| 1774 */ | |
| 1775 SharedStaticDtorDeclaration parseSharedStaticDtor() | |
| 1776 { | |
| 1777 Loc loc = this.loc; | |
| 1778 | |
| 1779 nextToken(); | |
| 1780 nextToken(); | |
| 1781 nextToken(); | |
| 1782 check(TOKthis); | |
| 1783 check(TOKlparen); | |
| 1784 check(TOKrparen); | |
| 1785 | |
| 1786 SharedStaticDtorDeclaration f = new SharedStaticDtorDeclaration(loc, Loc(0)); | |
| 0 | 1787 parseContracts(f); |
| 1788 return f; | |
| 1789 } | |
| 1790 | |
| 1791 /***************************************** | |
| 1792 * Parse an invariant definition: | |
| 1793 * invariant() { body } | |
| 1794 * Current token is 'invariant'. | |
| 1795 */ | |
| 1796 InvariantDeclaration parseInvariant() | |
| 1797 { | |
| 1798 InvariantDeclaration f; | |
| 1799 Loc loc = this.loc; | |
| 1800 | |
| 1801 nextToken(); | |
| 1802 if (token.value == TOKlparen) // optional () | |
| 1803 { | |
| 1804 nextToken(); | |
| 1805 check(TOKrparen); | |
| 1806 } | |
| 1807 | |
| 1808 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1809 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1810 return f; | |
| 1811 } | |
| 1812 | |
| 1813 /***************************************** | |
| 1814 * Parse a unittest definition: | |
| 1815 * unittest { body } | |
| 1816 * Current token is 'unittest'. | |
| 1817 */ | |
| 1818 UnitTestDeclaration parseUnitTest() | |
| 1819 { | |
| 1820 Loc loc = this.loc; | |
| 1821 | |
| 1822 nextToken(); | |
| 1823 | |
| 1824 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1825 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1826 | |
| 1827 return f; | |
| 1828 } | |
| 1829 | |
| 123 | 1830 /***************************************** |
| 1831 * Parse a new definition: | |
| 1832 * new(arguments) { body } | |
| 1833 * Current token is 'new'. | |
| 1834 */ | |
| 0 | 1835 NewDeclaration parseNew() |
| 1836 { | |
| 123 | 1837 NewDeclaration f; |
|
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parents:
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1838 auto arguments = new Parameters(); |
| 123 | 1839 int varargs; |
| 1840 Loc loc = this.loc; | |
| 1841 | |
| 1842 nextToken(); | |
| 1843 arguments = parseParameters(&varargs); | |
| 1844 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1845 parseContracts(f); | |
| 1846 return f; | |
| 0 | 1847 } |
| 1848 | |
| 123 | 1849 /***************************************** |
| 1850 * Parse a delete definition: | |
| 1851 * delete(arguments) { body } | |
| 1852 * Current token is 'delete'. | |
| 1853 */ | |
| 0 | 1854 DeleteDeclaration parseDelete() |
| 1855 { | |
| 123 | 1856 DeleteDeclaration f; |
|
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1857 Parameters arguments; |
| 123 | 1858 int varargs; |
| 1859 Loc loc = this.loc; | |
| 1860 | |
| 1861 nextToken(); | |
| 1862 arguments = parseParameters(&varargs); | |
| 1863 if (varargs) | |
| 1864 error("... not allowed in delete function parameter list"); | |
| 1865 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1866 parseContracts(f); | |
| 1867 return f; | |
| 0 | 1868 } |
| 1869 | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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1870 Parameters parseParameters(int* pvarargs) |
| 0 | 1871 { |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
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1872 auto arguments = new Parameters(); |
| 0 | 1873 int varargs = 0; |
| 1874 int hasdefault = 0; | |
| 1875 | |
| 1876 check(TOK.TOKlparen); | |
| 1877 while (1) | |
| 1878 { Type *tb; | |
| 1879 Identifier ai = null; | |
| 1880 Type at; | |
|
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dmdfe 2.037 first main iteration
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parents:
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1881 Parameter a; |
|
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1882 StorageClass storageClass = STC.STCundefined; |
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parents:
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1883 StorageClass stc; |
| 0 | 1884 Expression ae; |
| 1885 | |
| 1886 for ( ;1; nextToken()) | |
| 1887 { | |
| 1888 switch (token.value) | |
| 1889 { | |
| 1890 case TOK.TOKrparen: | |
| 1891 break; | |
| 1892 | |
| 1893 case TOK.TOKdotdotdot: | |
| 1894 varargs = 1; | |
| 1895 nextToken(); | |
| 1896 break; | |
| 1897 | |
| 1898 case TOK.TOKconst: | |
| 1899 if (peek(&token).value == TOK.TOKlparen) | |
| 1900 goto Ldefault; | |
| 1901 stc = STC.STCconst; | |
| 1902 goto L2; | |
| 1903 | |
| 1904 case TOK.TOKinvariant: | |
| 1905 case TOK.TOKimmutable: | |
| 1906 if (peek(&token).value == TOK.TOKlparen) | |
| 1907 goto Ldefault; | |
| 1908 stc = STC.STCimmutable; | |
| 1909 goto L2; | |
| 1910 | |
| 1911 case TOK.TOKshared: | |
| 1912 if (peek(&token).value == TOK.TOKlparen) | |
| 1913 goto Ldefault; | |
| 1914 stc = STC.STCshared; | |
| 1915 goto L2; | |
| 135 | 1916 |
| 1917 case TOKwild: | |
| 1918 if (peek(&token).value == TOK.TOKlparen) | |
| 1919 goto Ldefault; | |
| 1920 stc = STCwild; | |
| 1921 goto L2; | |
| 0 | 1922 |
| 1923 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1924 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 135 | 1925 version(D1INOUT) { |
| 0 | 1926 case TOK.TOKinout: |
| 135 | 1927 } |
| 0 | 1928 case TOK.TOKref: stc = STC.STCref; goto L2; |
| 1929 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1930 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1931 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 135 | 1932 case TOK.TOKauto: stc = STCauto; goto L2; |
| 0 | 1933 L2: |
| 1934 if (storageClass & stc || | |
| 1935 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1936 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1937 ) | |
| 1938 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1939 storageClass |= stc; | |
| 1940 composeStorageClass(storageClass); | |
| 1941 continue; | |
| 1942 | |
| 1943 static if (false) { | |
| 1944 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1945 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1946 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1947 L4: | |
| 1948 nextToken(); | |
| 1949 if (token.value == TOK.TOKidentifier) | |
| 1950 { ai = token.ident; | |
| 1951 nextToken(); | |
| 1952 } | |
| 1953 else | |
| 1954 ai = null; | |
| 1955 at = null; // no type | |
| 1956 ae = null; // no default argument | |
| 1957 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1958 { nextToken(); | |
| 1959 ae = parseDefaultInitExp(); | |
| 1960 hasdefault = 1; | |
| 1961 } | |
| 1962 else | |
| 1963 { if (hasdefault) | |
| 1964 error("default argument expected for alias %s", | |
| 1965 ai ? ai.toChars() : ""); | |
| 1966 } | |
| 1967 goto L3; | |
| 1968 } | |
| 1969 | |
| 1970 default: | |
| 1971 Ldefault: | |
| 1972 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1973 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1974 error("incompatible parameter storage classes"); | |
| 1975 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1976 error("out cannot be const"); | |
| 1977 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1978 error("out cannot be immutable"); | |
| 1979 if ((storageClass & STC.STCscope) && | |
| 1980 (storageClass & (STC.STCref | STC.STCout))) | |
| 1981 error("scope cannot be ref or out"); | |
| 1982 at = parseType(&ai); | |
| 1983 ae = null; | |
| 1984 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1985 { nextToken(); | |
| 1986 ae = parseDefaultInitExp(); | |
| 1987 hasdefault = 1; | |
| 1988 } | |
| 1989 else | |
| 1990 { if (hasdefault) | |
| 1991 error("default argument expected for %s", | |
| 1992 ai ? ai.toChars() : at.toChars()); | |
| 1993 } | |
| 1994 if (token.value == TOK.TOKdotdotdot) | |
| 1995 { /* This is: | |
| 1996 * at ai ... | |
| 1997 */ | |
| 1998 | |
| 1999 if (storageClass & (STC.STCout | STC.STCref)) | |
| 2000 error("variadic argument cannot be out or ref"); | |
| 2001 varargs = 2; | |
|
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2002 a = new Parameter(storageClass, at, ai, ae); |
|
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2003 arguments.push(a); |
| 0 | 2004 nextToken(); |
| 2005 break; | |
| 2006 } | |
| 2007 L3: | |
|
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2008 a = new Parameter(storageClass, at, ai, ae); |
|
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2009 arguments.push(a); |
| 0 | 2010 if (token.value == TOK.TOKcomma) |
| 2011 { nextToken(); | |
| 2012 goto L1; | |
| 2013 } | |
| 2014 break; | |
| 2015 } | |
| 2016 break; | |
| 2017 } | |
| 2018 break; | |
| 2019 | |
| 2020 L1: ; | |
| 2021 } | |
| 2022 check(TOK.TOKrparen); | |
| 2023 *pvarargs = varargs; | |
| 2024 return arguments; | |
| 2025 } | |
| 2026 | |
| 2027 EnumDeclaration parseEnum() | |
| 2028 { | |
| 2029 EnumDeclaration e; | |
| 2030 Identifier id; | |
| 2031 Type memtype; | |
| 2032 Loc loc = this.loc; | |
| 2033 | |
| 2034 //printf("Parser.parseEnum()\n"); | |
| 2035 nextToken(); | |
| 2036 if (token.value == TOK.TOKidentifier) | |
| 2037 { | |
| 2038 id = token.ident; | |
| 2039 nextToken(); | |
| 2040 } | |
| 2041 else | |
| 2042 id = null; | |
| 2043 | |
| 2044 if (token.value == TOK.TOKcolon) | |
| 2045 { | |
| 2046 nextToken(); | |
| 2047 memtype = parseBasicType(); | |
| 2048 memtype = parseDeclarator(memtype, null, null); | |
| 2049 } | |
| 2050 else | |
| 2051 memtype = null; | |
| 2052 | |
| 2053 e = new EnumDeclaration(loc, id, memtype); | |
| 2054 if (token.value == TOK.TOKsemicolon && id) | |
| 2055 nextToken(); | |
| 2056 else if (token.value == TOK.TOKlcurly) | |
| 2057 { | |
| 2058 //printf("enum definition\n"); | |
|
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|
2059 e.members = new Dsymbols(); |
| 0 | 2060 nextToken(); |
| 79 | 2061 string comment = token.blockComment; |
| 0 | 2062 while (token.value != TOK.TOKrcurly) |
| 2063 { | |
| 2064 /* Can take the following forms: | |
| 2065 * 1. ident | |
| 2066 * 2. ident = value | |
| 2067 * 3. type ident = value | |
| 2068 */ | |
| 2069 | |
| 2070 loc = this.loc; | |
| 2071 | |
| 2072 Type type = null; | |
| 2073 Identifier ident; | |
| 2074 Token* tp = peek(&token); | |
| 2075 if (token.value == TOK.TOKidentifier && | |
| 2076 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 2077 { | |
| 2078 ident = token.ident; | |
| 2079 type = null; | |
| 2080 nextToken(); | |
| 2081 } | |
| 2082 else | |
| 2083 { | |
| 2084 type = parseType(&ident, null); | |
| 2085 if (id || memtype) | |
| 2086 error("type only allowed if anonymous enum and no enum type"); | |
| 2087 } | |
| 2088 | |
| 2089 Expression value; | |
| 2090 if (token.value == TOK.TOKassign) | |
| 2091 { | |
| 2092 nextToken(); | |
| 2093 value = parseAssignExp(); | |
| 2094 } | |
| 2095 else | |
| 2096 { | |
| 2097 value = null; | |
| 2098 if (type) | |
| 2099 error("if type, there must be an initializer"); | |
| 2100 } | |
| 2101 | |
|
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|
2102 auto em = new EnumMember(loc, ident, value, type); |
|
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diff
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|
2103 e.members.push(em); |
| 0 | 2104 |
| 2105 if (token.value == TOK.TOKrcurly) { | |
| 2106 ; | |
| 2107 } else { | |
| 2108 addComment(em, comment); | |
| 2109 comment = null; | |
| 2110 check(TOK.TOKcomma); | |
| 2111 } | |
| 2112 addComment(em, comment); | |
| 2113 comment = token.blockComment; | |
| 2114 } | |
| 2115 nextToken(); | |
| 2116 } | |
| 2117 else | |
| 2118 error("enum declaration is invalid"); | |
| 2119 | |
| 2120 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2121 return e; | |
| 2122 } | |
| 2123 | |
| 2124 Dsymbol parseAggregate() | |
| 2125 { | |
| 2126 AggregateDeclaration a = null; | |
| 2127 int anon = 0; | |
| 2128 TOK tok; | |
| 2129 Identifier id; | |
| 2130 TemplateParameters tpl = null; | |
| 2131 Expression constraint = null; | |
| 2132 | |
| 2133 //printf("Parser.parseAggregate()\n"); | |
| 2134 tok = token.value; | |
| 2135 nextToken(); | |
| 2136 if (token.value != TOK.TOKidentifier) | |
| 2137 { | |
| 2138 id = null; | |
| 2139 } | |
| 2140 else | |
| 2141 { | |
| 2142 id = token.ident; | |
| 2143 nextToken(); | |
| 2144 | |
| 2145 if (token.value == TOK.TOKlparen) | |
| 2146 { | |
| 2147 // Class template declaration. | |
| 2148 | |
| 2149 // Gather template parameter list | |
| 2150 tpl = parseTemplateParameterList(); | |
| 2151 constraint = parseConstraint(); | |
| 2152 } | |
| 2153 } | |
| 2154 | |
| 2155 Loc loc = this.loc; | |
| 2156 switch (tok) | |
| 2157 { case TOK.TOKclass: | |
| 2158 case TOK.TOKinterface: | |
| 2159 { | |
| 2160 if (!id) | |
| 2161 error("anonymous classes not allowed"); | |
| 2162 | |
| 2163 // Collect base class(es) | |
| 2164 BaseClasses baseclasses = null; | |
| 2165 if (token.value == TOK.TOKcolon) | |
| 2166 { | |
| 2167 nextToken(); | |
| 2168 baseclasses = parseBaseClasses(); | |
| 2169 | |
| 2170 if (token.value != TOK.TOKlcurly) | |
| 2171 error("members expected"); | |
| 2172 } | |
| 2173 | |
| 2174 if (tok == TOK.TOKclass) | |
| 2175 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2176 else | |
| 2177 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2178 break; | |
| 2179 } | |
| 2180 | |
| 2181 case TOK.TOKstruct: | |
| 2182 if (id) | |
| 2183 a = new StructDeclaration(loc, id); | |
| 2184 else | |
| 2185 anon = 1; | |
| 2186 break; | |
| 2187 | |
| 2188 case TOK.TOKunion: | |
| 2189 if (id) | |
| 2190 a = new UnionDeclaration(loc, id); | |
| 2191 else | |
| 2192 anon = 2; | |
| 2193 break; | |
| 2194 | |
| 2195 default: | |
| 2196 assert(0); | |
| 2197 break; | |
| 2198 } | |
| 2199 if (a && token.value == TOK.TOKsemicolon) | |
| 2200 { nextToken(); | |
| 2201 } | |
| 2202 else if (token.value == TOK.TOKlcurly) | |
| 2203 { | |
| 2204 //printf("aggregate definition\n"); | |
| 2205 nextToken(); | |
|
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|
2206 auto decl = parseDeclDefs(0); |
| 0 | 2207 if (token.value != TOK.TOKrcurly) |
| 2208 error("} expected following member declarations in aggregate"); | |
| 2209 nextToken(); | |
| 2210 if (anon) | |
| 2211 { | |
| 2212 /* Anonymous structs/unions are more like attributes. | |
| 2213 */ | |
| 2214 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2215 } | |
| 2216 else | |
| 2217 a.members = decl; | |
| 2218 } | |
| 2219 else | |
| 2220 { | |
| 2221 error("{ } expected following aggregate declaration"); | |
| 2222 a = new StructDeclaration(loc, null); | |
| 2223 } | |
| 2224 | |
| 2225 if (tpl) | |
| 2226 { // Wrap a template around the aggregate declaration | |
| 2227 | |
|
74
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diff
changeset
|
2228 auto decldefs = new Dsymbols(); |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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diff
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|
2229 decldefs.push(a); |
|
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diff
changeset
|
2230 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2231 return tempdecl; |
| 2232 } | |
| 2233 | |
| 2234 return a; | |
| 2235 } | |
| 2236 | |
| 2237 BaseClasses parseBaseClasses() | |
| 2238 { | |
| 2239 BaseClasses baseclasses = new BaseClasses(); | |
| 2240 | |
| 2241 for (; 1; nextToken()) | |
| 2242 { | |
| 2243 PROT protection = PROT.PROTpublic; | |
| 2244 switch (token.value) | |
| 2245 { | |
| 2246 case TOK.TOKprivate: | |
| 2247 protection = PROT.PROTprivate; | |
| 2248 nextToken(); | |
| 2249 break; | |
| 2250 case TOK.TOKpackage: | |
| 2251 protection = PROT.PROTpackage; | |
| 2252 nextToken(); | |
| 2253 break; | |
| 2254 case TOK.TOKprotected: | |
| 2255 protection = PROT.PROTprotected; | |
| 2256 nextToken(); | |
| 2257 break; | |
| 2258 case TOK.TOKpublic: | |
| 2259 protection = PROT.PROTpublic; | |
| 2260 nextToken(); | |
| 2261 break; | |
| 2262 default: | |
| 2263 break; /// | |
| 2264 } | |
| 2265 if (token.value == TOK.TOKidentifier) | |
| 2266 { | |
|
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diff
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|
2267 auto b = new BaseClass(parseBasicType(), protection); |
|
767a01c2a272
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parents:
123
diff
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|
2268 baseclasses.push(b); |
| 0 | 2269 if (token.value != TOK.TOKcomma) |
| 2270 break; | |
| 2271 } | |
| 2272 else | |
| 2273 { | |
| 2274 error("base classes expected instead of %s", token.toChars()); | |
| 2275 return null; | |
| 2276 } | |
| 2277 } | |
| 2278 return baseclasses; | |
| 2279 } | |
| 2280 | |
|
74
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diff
changeset
|
2281 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2282 { |
| 2283 Import s; | |
| 2284 Identifier id; | |
| 2285 Identifier aliasid = null; | |
|
128
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126
diff
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|
2286 Identifiers a; |
| 0 | 2287 Loc loc; |
| 2288 | |
| 2289 //printf("Parser.parseImport()\n"); | |
| 2290 do | |
| 2291 { | |
| 2292 L1: | |
| 2293 nextToken(); | |
| 2294 if (token.value != TOK.TOKidentifier) | |
| 2295 { | |
| 2296 error("Identifier expected following import"); | |
| 2297 break; | |
| 2298 } | |
| 2299 | |
| 2300 loc = this.loc; | |
| 2301 a = null; | |
| 2302 id = token.ident; | |
| 2303 nextToken(); | |
| 2304 if (!aliasid && token.value == TOK.TOKassign) | |
| 2305 { | |
| 2306 aliasid = id; | |
| 2307 goto L1; | |
| 2308 } | |
| 2309 while (token.value == TOK.TOKdot) | |
| 2310 { | |
| 2311 if (!a) | |
|
128
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parents:
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diff
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|
2312 a = new Identifiers(); |
|
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parents:
126
diff
changeset
|
2313 a.push(id); |
| 0 | 2314 nextToken(); |
| 2315 if (token.value != TOK.TOKidentifier) | |
| 2316 { | |
| 2317 error("identifier expected following package"); | |
| 2318 break; | |
| 2319 } | |
| 2320 id = token.ident; | |
| 2321 nextToken(); | |
| 2322 } | |
| 2323 | |
| 2324 s = new Import(loc, a, id, aliasid, isstatic); | |
|
74
7e0d548de9e6
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2325 decldefs.push(s); |
| 0 | 2326 |
| 2327 /* Look for | |
| 2328 * : alias=name, alias=name; | |
| 2329 * syntax. | |
| 2330 */ | |
| 2331 if (token.value == TOK.TOKcolon) | |
| 2332 { | |
| 2333 do | |
| 2334 { | |
| 2335 Identifier name; | |
| 2336 | |
| 2337 nextToken(); | |
| 2338 if (token.value != TOK.TOKidentifier) | |
| 2339 { | |
| 2340 error("Identifier expected following :"); | |
| 2341 break; | |
| 2342 } | |
| 2343 Identifier alias_ = token.ident; | |
| 2344 nextToken(); | |
| 2345 if (token.value == TOK.TOKassign) | |
| 2346 { | |
| 2347 nextToken(); | |
| 2348 if (token.value != TOK.TOKidentifier) | |
| 2349 { | |
| 2350 error("Identifier expected following %s=", alias_.toChars()); | |
| 2351 break; | |
| 2352 } | |
| 2353 name = token.ident; | |
| 2354 nextToken(); | |
| 2355 } | |
| 2356 else | |
| 2357 { | |
| 2358 name = alias_; | |
| 2359 alias_ = null; | |
| 2360 } | |
| 2361 s.addAlias(name, alias_); | |
| 2362 } while (token.value == TOK.TOKcomma); | |
| 2363 | |
| 2364 break; // no comma-separated imports of this form | |
| 2365 } | |
| 2366 | |
| 2367 aliasid = null; | |
| 2368 | |
| 2369 } while (token.value == TOK.TOKcomma); | |
| 2370 | |
| 2371 if (token.value == TOK.TOKsemicolon) | |
| 2372 nextToken(); | |
| 2373 else | |
| 2374 { | |
| 2375 error("';' expected"); | |
| 2376 nextToken(); | |
| 2377 } | |
| 2378 | |
| 2379 return null; | |
| 2380 } | |
| 2381 | |
| 2382 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2383 { | |
| 2384 Type t; | |
| 2385 | |
| 2386 /* Take care of the storage class prefixes that | |
| 2387 * serve as type attributes: | |
| 2388 * const shared, shared const, const, invariant, shared | |
| 2389 */ | |
| 2390 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2391 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2392 { | |
| 2393 nextToken(); | |
| 2394 nextToken(); | |
| 2395 /* shared const type | |
| 2396 */ | |
| 2397 t = parseType(pident, tpl); | |
| 2398 t = t.makeSharedConst(); | |
| 2399 return t; | |
| 2400 } | |
| 135 | 2401 else if (token.value == TOKwild && peekNext() == TOKshared && peekNext2() != TOKlparen || |
| 2402 token.value == TOKshared && peekNext() == TOKwild && peekNext2() != TOKlparen) | |
| 2403 { | |
| 2404 nextToken(); | |
| 2405 nextToken(); | |
| 2406 /* shared wild type | |
| 2407 */ | |
| 2408 t = parseType(pident, tpl); | |
| 2409 t = t.makeSharedWild(); | |
| 2410 return t; | |
| 2411 } | |
| 0 | 2412 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) |
| 2413 { | |
| 2414 nextToken(); | |
| 2415 /* const type | |
| 2416 */ | |
| 2417 t = parseType(pident, tpl); | |
| 2418 t = t.makeConst(); | |
| 2419 return t; | |
| 2420 } | |
| 2421 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2422 peekNext() != TOK.TOKlparen) | |
| 2423 { | |
| 2424 nextToken(); | |
| 2425 /* invariant type | |
| 2426 */ | |
| 2427 t = parseType(pident, tpl); | |
| 2428 t = t.makeInvariant(); | |
| 2429 return t; | |
| 2430 } | |
| 2431 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2432 { | |
| 2433 nextToken(); | |
| 2434 /* shared type | |
| 2435 */ | |
| 2436 t = parseType(pident, tpl); | |
| 2437 t = t.makeShared(); | |
| 2438 return t; | |
| 2439 } | |
| 135 | 2440 else if (token.value == TOKwild && peekNext() != TOKlparen) |
| 2441 { | |
| 2442 nextToken(); | |
| 2443 /* wild type | |
| 2444 */ | |
| 2445 t = parseType(pident, tpl); | |
| 2446 t = t.makeWild(); | |
| 2447 return t; | |
| 2448 } | |
| 0 | 2449 else |
| 2450 t = parseBasicType(); | |
| 2451 t = parseDeclarator(t, pident, tpl); | |
| 2452 return t; | |
| 2453 } | |
| 2454 | |
| 2455 Type parseBasicType() | |
| 2456 { | |
| 2457 Type t; | |
| 2458 Identifier id; | |
| 2459 TypeQualified tid; | |
| 2460 | |
| 2461 //printf("parseBasicType()\n"); | |
| 2462 switch (token.value) | |
| 2463 { | |
| 2464 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2465 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2466 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2467 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2468 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2469 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2470 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2471 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2472 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2473 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2474 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2475 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2476 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2477 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2478 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2479 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2480 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2481 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2482 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2483 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2484 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2485 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2486 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2487 LabelX: | |
| 2488 nextToken(); | |
| 2489 break; | |
| 2490 | |
| 2491 case TOK.TOKidentifier: | |
| 2492 id = token.ident; | |
| 2493 nextToken(); | |
| 2494 if (token.value == TOK.TOKnot) | |
| 2495 { // ident!(template_arguments) | |
| 2496 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2497 nextToken(); | |
| 2498 if (token.value == TOK.TOKlparen) | |
| 2499 // ident!(template_arguments) | |
| 2500 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2501 else | |
| 2502 // ident!template_argument | |
| 2503 tempinst.tiargs = parseTemplateArgument(); | |
| 2504 tid = new TypeInstance(loc, tempinst); | |
| 2505 goto Lident2; | |
| 2506 } | |
| 2507 Lident: | |
| 2508 tid = new TypeIdentifier(loc, id); | |
| 2509 Lident2: | |
| 2510 while (token.value == TOK.TOKdot) | |
| 2511 { nextToken(); | |
| 2512 if (token.value != TOK.TOKidentifier) | |
| 2513 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2514 break; | |
| 2515 } | |
| 2516 id = token.ident; | |
| 2517 nextToken(); | |
| 2518 if (token.value == TOK.TOKnot) | |
| 2519 { | |
| 2520 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2521 nextToken(); | |
| 2522 if (token.value == TOK.TOKlparen) | |
| 2523 // ident!(template_arguments) | |
| 2524 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2525 else | |
| 2526 // ident!template_argument | |
| 2527 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2528 tid.addIdent(tempinst); |
| 0 | 2529 } |
| 2530 else | |
| 2531 tid.addIdent(id); | |
| 2532 } | |
| 2533 t = tid; | |
| 2534 break; | |
| 2535 | |
| 2536 case TOK.TOKdot: | |
| 2537 // Leading . as in .foo | |
| 2538 id = Id.empty; | |
| 2539 goto Lident; | |
| 2540 | |
| 2541 case TOK.TOKtypeof: | |
| 2542 // typeof(expression) | |
| 2543 tid = parseTypeof(); | |
| 2544 goto Lident2; | |
| 2545 | |
| 2546 case TOK.TOKconst: | |
| 2547 // const(type) | |
| 2548 nextToken(); | |
| 2549 check(TOK.TOKlparen); | |
| 2550 t = parseType(); | |
| 2551 check(TOK.TOKrparen); | |
| 2552 if (t.isShared()) | |
| 2553 t = t.makeSharedConst(); | |
| 2554 else | |
| 2555 t = t.makeConst(); | |
| 2556 break; | |
| 2557 | |
| 2558 case TOK.TOKinvariant: | |
| 2559 case TOK.TOKimmutable: | |
| 2560 // invariant(type) | |
| 2561 nextToken(); | |
| 2562 check(TOK.TOKlparen); | |
| 2563 t = parseType(); | |
| 2564 check(TOK.TOKrparen); | |
| 2565 t = t.makeInvariant(); | |
| 2566 break; | |
| 2567 | |
| 2568 case TOK.TOKshared: | |
| 2569 // shared(type) | |
| 2570 nextToken(); | |
| 2571 check(TOK.TOKlparen); | |
| 2572 t = parseType(); | |
| 2573 check(TOK.TOKrparen); | |
| 2574 if (t.isConst()) | |
| 2575 t = t.makeSharedConst(); | |
| 135 | 2576 else if (t.isWild()) |
| 2577 t = t.makeSharedWild(); | |
| 0 | 2578 else |
| 2579 t = t.makeShared(); | |
| 2580 break; | |
| 2581 | |
| 135 | 2582 case TOKwild: |
| 2583 // wild(type) | |
| 2584 nextToken(); | |
| 2585 check(TOK.TOKlparen); | |
| 2586 t = parseType(); | |
| 2587 check(TOK.TOKrparen); | |
| 2588 if (t.isShared()) | |
| 2589 t = t.makeSharedWild(); | |
| 2590 else | |
| 2591 t = t.makeWild(); | |
| 2592 break; | |
| 2593 | |
| 0 | 2594 default: |
| 2595 error("basic type expected, not %s", token.toChars()); | |
| 2596 t = Type.tint32; | |
| 2597 break; | |
| 2598 } | |
| 2599 return t; | |
| 2600 } | |
| 2601 | |
| 2602 Type parseBasicType2(Type t) | |
| 2603 { | |
| 79 | 2604 //writef("parseBasicType2()\n"); |
| 0 | 2605 while (1) |
| 2606 { | |
| 79 | 2607 switch (token.value) |
| 0 | 2608 { |
| 79 | 2609 case TOK.TOKmul: |
| 2610 t = new TypePointer(t); | |
| 2611 nextToken(); | |
| 2612 continue; | |
| 2613 | |
| 2614 case TOK.TOKlbracket: | |
| 2615 // Handle []. Make sure things like | |
| 2616 // int[3][1] a; | |
| 2617 // is (array[1] of array[3] of int) | |
| 0 | 2618 nextToken(); |
| 79 | 2619 if (token.value == TOK.TOKrbracket) |
| 2620 { | |
| 2621 t = new TypeDArray(t); // [] | |
| 2622 nextToken(); | |
| 2623 } | |
| 2624 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2625 { |
| 79 | 2626 t = new TypeNewArray(t); // [new] |
| 2627 nextToken(); | |
| 2628 nextToken(); | |
| 2629 } | |
| 2630 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2631 { // It's an associative array declaration | |
| 2632 | |
| 2633 //printf("it's an associative array\n"); | |
| 2634 Type index = parseType(); // [ type ] | |
| 2635 t = new TypeAArray(t, index); | |
| 2636 check(TOK.TOKrbracket); | |
| 0 | 2637 } |
| 2638 else | |
| 79 | 2639 { |
| 2640 //printf("it's type[expression]\n"); | |
| 2641 inBrackets++; | |
|
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2642 Expression e = parseAssignExp(); // [ expression ] |
| 79 | 2643 if (token.value == TOK.TOKslice) |
| 2644 { | |
| 2645 nextToken(); | |
|
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2646 Expression e2 = parseAssignExp(); // [ exp .. exp ] |
| 79 | 2647 t = new TypeSlice(t, e, e2); |
| 2648 } | |
| 2649 else | |
| 2650 t = new TypeSArray(t,e); | |
| 2651 inBrackets--; | |
| 2652 check(TOK.TOKrbracket); | |
| 2653 } | |
| 2654 continue; | |
| 2655 | |
| 2656 case TOK.TOKdelegate: | |
| 2657 case TOK.TOKfunction: | |
| 2658 { // Handle delegate declaration: | |
| 2659 // t delegate(parameter list) nothrow pure | |
| 2660 // t function(parameter list) nothrow pure | |
|
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|
2661 Parameters arguments; |
| 79 | 2662 int varargs; |
| 2663 bool ispure = false; | |
| 2664 bool isnothrow = false; | |
|
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|
2665 bool isproperty = false; |
| 79 | 2666 TOK save = token.value; |
|
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|
2667 TRUST trust = TRUSTdefault; |
| 79 | 2668 |
| 2669 nextToken(); | |
| 2670 arguments = parseParameters(&varargs); | |
| 2671 while (1) | |
| 2672 { // Postfixes | |
| 2673 if (token.value == TOK.TOKpure) | |
|
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2674 ispure = true; |
| 79 | 2675 else if (token.value == TOK.TOKnothrow) |
|
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diff
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2676 isnothrow = true; |
|
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diff
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|
2677 else if (token.value == TOKat) |
|
131
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|
2678 { StorageClass stc = parseAttribute(); |
|
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2679 switch (cast(uint)(stc >> 32)) |
|
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diff
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|
2680 { case STCproperty >> 32: |
|
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diff
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|
2681 isproperty = true; |
|
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diff
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|
2682 break; |
|
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diff
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|
2683 case STCsafe >> 32: |
|
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diff
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|
2684 trust = TRUSTsafe; |
|
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|
2685 break; |
|
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diff
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|
2686 case STCsystem >> 32: |
|
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diff
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|
2687 trust = TRUSTsystem; |
|
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diff
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|
2688 break; |
|
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diff
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|
2689 case STCtrusted >> 32: |
|
60bb0fe4563e
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diff
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|
2690 trust = TRUSTtrusted; |
|
60bb0fe4563e
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|
2691 break; |
|
60bb0fe4563e
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diff
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|
2692 case 0: |
|
60bb0fe4563e
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|
2693 break; |
|
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diff
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|
2694 default: |
|
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diff
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|
2695 assert(0); |
|
60bb0fe4563e
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|
2696 } |
|
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|
2697 } |
| 79 | 2698 else |
|
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|
2699 break; |
| 79 | 2700 nextToken(); |
| 2701 } | |
| 2702 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2703 tf.ispure = ispure; | |
| 2704 tf.isnothrow = isnothrow; | |
|
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|
2705 tf.isproperty = isproperty; |
|
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|
2706 tf.trust = trust; |
| 79 | 2707 if (save == TOK.TOKdelegate) |
| 2708 t = new TypeDelegate(tf); | |
| 0 | 2709 else |
| 79 | 2710 t = new TypePointer(tf); // pointer to function |
| 2711 continue; | |
| 2712 } | |
| 2713 | |
| 2714 default: | |
| 2715 return t; | |
| 2716 } | |
| 2717 assert(0); | |
| 0 | 2718 } |
| 2719 assert(0); | |
| 2720 return null; | |
| 2721 } | |
| 2722 | |
| 2723 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2724 { | |
| 2725 Type ts; | |
| 2726 | |
| 2727 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2728 t = parseBasicType2(t); | |
| 2729 | |
| 2730 switch (token.value) | |
| 2731 { | |
| 2732 | |
| 2733 case TOK.TOKidentifier: | |
| 2734 if (pident) | |
| 2735 *pident = token.ident; | |
| 2736 else | |
| 2737 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2738 ts = t; | |
| 2739 nextToken(); | |
| 2740 break; | |
| 2741 | |
| 2742 case TOK.TOKlparen: | |
| 2743 /* Parse things with parentheses around the identifier, like: | |
| 2744 * int (*ident[3])[] | |
| 2745 * although the D style would be: | |
| 2746 * int[]*[3] ident | |
| 2747 */ | |
| 2748 nextToken(); | |
| 2749 ts = parseDeclarator(t, pident); | |
| 2750 check(TOK.TOKrparen); | |
| 2751 break; | |
| 2752 | |
| 2753 default: | |
| 2754 ts = t; | |
| 2755 break; | |
| 2756 } | |
| 2757 | |
| 2758 // parse DeclaratorSuffixes | |
| 2759 while (1) | |
| 2760 { | |
| 2761 switch (token.value) | |
| 2762 { | |
| 2763 version (CARRAYDECL) { | |
| 2764 /* Support C style array syntax: | |
| 2765 * int ident[] | |
| 2766 * as opposed to D-style: | |
| 2767 * int[] ident | |
| 2768 */ | |
| 2769 case TOK.TOKlbracket: | |
| 2770 { // This is the old C-style post [] syntax. | |
| 2771 TypeNext ta; | |
| 2772 nextToken(); | |
| 2773 if (token.value == TOK.TOKrbracket) | |
| 2774 { // It's a dynamic array | |
| 2775 ta = new TypeDArray(t); // [] | |
| 2776 nextToken(); | |
| 2777 } | |
| 79 | 2778 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2779 { | |
| 2780 t = new TypeNewArray(t); // [new] | |
| 2781 nextToken(); | |
| 2782 nextToken(); | |
| 2783 } | |
| 0 | 2784 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2785 { // It's an associative array | |
| 2786 | |
| 2787 //printf("it's an associative array\n"); | |
| 2788 Type index = parseType(); // [ type ] | |
| 2789 check(TOK.TOKrbracket); | |
| 2790 ta = new TypeAArray(t, index); | |
| 2791 } | |
| 2792 else | |
| 2793 { | |
| 2794 //printf("It's a static array\n"); | |
|
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|
2795 Expression e = parseAssignExp(); // [ expression ] |
| 0 | 2796 ta = new TypeSArray(t, e); |
| 2797 check(TOK.TOKrbracket); | |
| 2798 } | |
| 2799 | |
| 2800 /* Insert ta into | |
| 2801 * ts . ... . t | |
| 2802 * so that | |
| 2803 * ts . ... . ta . t | |
| 2804 */ | |
| 2805 Type* pt; | |
| 2806 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2807 ; | |
| 2808 } | |
| 2809 *pt = ta; | |
| 2810 continue; | |
| 2811 } | |
| 2812 } | |
| 2813 case TOK.TOKlparen: | |
| 2814 { | |
| 2815 if (tpl) | |
| 2816 { | |
| 2817 /* Look ahead to see if this is (...)(...), | |
| 2818 * i.e. a function template declaration | |
| 2819 */ | |
| 2820 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2821 { | |
| 2822 //printf("function template declaration\n"); | |
| 2823 | |
| 2824 // Gather template parameter list | |
| 2825 *tpl = parseTemplateParameterList(); | |
| 2826 } | |
| 2827 } | |
| 2828 | |
| 2829 int varargs; | |
|
130
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|
2830 auto arguments = parseParameters(&varargs); |
| 0 | 2831 Type tf = new TypeFunction(arguments, t, varargs, linkage); |
| 2832 | |
| 2833 /* Parse const/invariant/nothrow/pure postfix | |
| 2834 */ | |
| 2835 while (1) | |
| 2836 { | |
| 2837 switch (token.value) | |
| 2838 { | |
| 2839 case TOK.TOKconst: | |
| 2840 if (tf.isShared()) | |
| 2841 tf = tf.makeSharedConst(); | |
| 2842 else | |
| 2843 tf = tf.makeConst(); | |
| 2844 nextToken(); | |
| 2845 continue; | |
| 2846 | |
| 2847 case TOK.TOKinvariant: | |
| 2848 case TOK.TOKimmutable: | |
| 2849 tf = tf.makeInvariant(); | |
| 2850 nextToken(); | |
| 2851 continue; | |
| 2852 | |
| 2853 case TOK.TOKshared: | |
| 2854 if (tf.isConst()) | |
| 2855 tf = tf.makeSharedConst(); | |
| 2856 else | |
| 2857 tf = tf.makeShared(); | |
| 2858 nextToken(); | |
| 2859 continue; | |
| 2860 | |
| 135 | 2861 case TOKwild: |
| 2862 if (tf.isShared()) | |
| 2863 tf = tf.makeSharedWild(); | |
| 2864 else | |
| 2865 tf = tf.makeWild(); | |
| 2866 nextToken(); | |
| 2867 continue; | |
| 2868 | |
| 0 | 2869 case TOK.TOKnothrow: |
| 2870 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2871 nextToken(); | |
| 2872 continue; | |
| 2873 | |
| 2874 case TOK.TOKpure: | |
| 2875 (cast(TypeFunction)tf).ispure = 1; | |
| 2876 nextToken(); | |
| 2877 continue; | |
| 2878 | |
| 2879 case TOK.TOKat: | |
|
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|
2880 { |
|
131
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|
2881 StorageClass stc = parseAttribute(); |
|
130
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|
2882 auto tfunc = cast(TypeFunction)tf; |
|
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|
2883 switch (cast(uint)(stc >> 32)) |
|
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|
2884 { |
|
60bb0fe4563e
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|
2885 case STCproperty >> 32: |
|
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|
2886 tfunc.isproperty = 1; |
|
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|
2887 break; |
|
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|
2888 case STCsafe >> 32: |
|
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|
2889 tfunc.trust = TRUSTsafe; |
|
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|
2890 break; |
|
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|
2891 case STCsystem >> 32: |
|
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|
2892 tfunc.trust = TRUSTsystem; |
|
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|
2893 break; |
|
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|
2894 case STCtrusted >> 32: |
|
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|
2895 tfunc.trust = TRUSTtrusted; |
|
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|
2896 break; |
|
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|
2897 case 0: |
|
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|
2898 break; |
|
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|
2899 default: |
|
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|
2900 assert(0); |
|
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2901 } |
|
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diff
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|
2902 nextToken(); |
|
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diff
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|
2903 continue; |
|
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|
2904 } |
| 0 | 2905 default: |
| 2906 break; /// | |
| 2907 } | |
| 2908 break; | |
| 2909 } | |
| 2910 | |
| 2911 /* Insert tf into | |
| 2912 * ts . ... . t | |
| 2913 * so that | |
| 2914 * ts . ... . tf . t | |
| 2915 */ | |
| 2916 Type* pt; | |
| 2917 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2918 ; | |
| 2919 } | |
| 2920 *pt = tf; | |
| 2921 break; | |
| 2922 } | |
| 2923 | |
| 2924 default: | |
| 2925 break; /// | |
| 2926 } | |
| 2927 break; | |
| 2928 } | |
| 2929 | |
| 2930 return ts; | |
| 2931 } | |
| 2932 | |
|
131
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diff
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|
2933 Dsymbols parseDeclarations(StorageClass storage_class) |
| 0 | 2934 { |
|
131
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|
2935 StorageClass stc; |
| 0 | 2936 Type ts; |
| 2937 Type t; | |
| 2938 Type tfirst; | |
| 2939 Identifier ident; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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diff
changeset
|
2940 Dsymbols a; |
| 0 | 2941 TOK tok = TOK.TOKreserved; |
| 79 | 2942 string comment = token.blockComment; |
| 0 | 2943 LINK link = linkage; |
| 2944 | |
| 2945 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2946 if (storage_class) | |
| 2947 { ts = null; // infer type | |
| 2948 goto L2; | |
| 2949 } | |
| 2950 | |
| 2951 switch (token.value) | |
| 2952 { | |
| 2953 case TOK.TOKalias: | |
| 2954 /* Look for: | |
| 2955 * alias identifier this; | |
| 2956 */ | |
| 2957 tok = token.value; | |
| 2958 nextToken(); | |
| 2959 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2960 { | |
| 2961 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2962 nextToken(); | |
| 2963 check(TOK.TOKthis); | |
| 2964 check(TOK.TOKsemicolon); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
changeset
|
2965 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2966 a.push(s); |
| 0 | 2967 addComment(s, comment); |
| 2968 return a; | |
| 2969 } | |
| 2970 break; | |
| 2971 case TOK.TOKtypedef: | |
| 2972 tok = token.value; | |
| 2973 nextToken(); | |
| 2974 break; | |
| 2975 default: | |
| 2976 break; | |
| 2977 } | |
| 2978 | |
| 2979 storage_class = STC.STCundefined; | |
| 2980 while (1) | |
| 2981 { | |
| 2982 switch (token.value) | |
| 2983 { | |
| 2984 case TOK.TOKconst: | |
| 2985 if (peek(&token).value == TOK.TOKlparen) | |
| 2986 break; // const as type constructor | |
| 2987 stc = STC.STCconst; // const as storage class | |
| 2988 goto L1; | |
| 2989 | |
| 2990 case TOK.TOKinvariant: | |
| 2991 case TOK.TOKimmutable: | |
| 2992 if (peek(&token).value == TOK.TOKlparen) | |
| 2993 break; | |
| 2994 stc = STC.STCimmutable; | |
| 2995 goto L1; | |
| 2996 | |
| 2997 case TOK.TOKshared: | |
| 2998 if (peek(&token).value == TOK.TOKlparen) | |
| 2999 break; | |
| 3000 stc = STC.STCshared; | |
| 135 | 3001 goto L1; |
| 3002 | |
| 3003 case TOKwild: | |
| 3004 if (peek(&token).value == TOK.TOKlparen) | |
| 3005 break; | |
| 3006 stc = STC.STCwild; | |
| 0 | 3007 goto L1; |
| 3008 | |
| 3009 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 3010 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 3011 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 3012 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 3013 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 3014 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 3015 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 3016 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 3017 version (DMDV2) { | |
| 3018 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 3019 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 3020 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 3021 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 3022 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 3023 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3024 case TOK.TOKat: stc = parseAttribute(); goto L1; |
| 0 | 3025 } |
| 3026 L1: | |
| 3027 if (storage_class & stc) | |
| 3028 error("redundant storage class '%s'", token.toChars()); | |
| 3029 storage_class = (storage_class | stc); | |
| 3030 composeStorageClass(storage_class); | |
| 3031 nextToken(); | |
| 3032 continue; | |
| 3033 | |
| 3034 case TOK.TOKextern: | |
| 3035 if (peek(&token).value != TOK.TOKlparen) | |
| 3036 { stc = STC.STCextern; | |
| 3037 goto L1; | |
| 3038 } | |
| 3039 | |
| 3040 link = parseLinkage(); | |
| 3041 continue; | |
| 3042 | |
| 3043 default: | |
| 3044 break; | |
| 3045 } | |
| 3046 break; | |
| 3047 } | |
| 3048 | |
| 3049 /* Look for auto initializers: | |
| 3050 * storage_class identifier = initializer; | |
| 3051 */ | |
| 3052 if (storage_class && | |
| 3053 token.value == TOK.TOKidentifier && | |
| 3054 peek(&token).value == TOK.TOKassign) | |
| 3055 { | |
| 3056 return parseAutoDeclarations(storage_class, comment); | |
| 3057 } | |
| 3058 | |
| 3059 if (token.value == TOK.TOKclass) | |
| 3060 { | |
| 3061 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 3062 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
|
3063 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3064 a.push(s); |
| 0 | 3065 addComment(s, comment); |
| 3066 return a; | |
| 3067 } | |
| 3068 | |
| 3069 /* Look for return type inference for template functions. | |
| 3070 */ | |
| 3071 { | |
| 3072 Token *tk; | |
| 3073 if (storage_class && | |
| 3074 token.value == TOK.TOKidentifier && | |
| 3075 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 3076 skipParens(tk, &tk) && | |
| 3077 peek(tk).value == TOK.TOKlparen) | |
| 3078 { | |
| 3079 ts = null; | |
| 3080 } | |
| 3081 else | |
| 3082 { | |
| 3083 ts = parseBasicType(); | |
| 3084 ts = parseBasicType2(ts); | |
| 3085 } | |
| 3086 } | |
| 3087 | |
| 3088 L2: | |
| 3089 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3090 a = new Dsymbols(); |
| 0 | 3091 |
| 3092 while (1) | |
| 3093 { | |
| 3094 Loc loc = this.loc; | |
| 3095 TemplateParameters tpl = null; | |
| 3096 | |
| 3097 ident = null; | |
| 3098 t = parseDeclarator(ts, &ident, &tpl); | |
| 3099 assert(t); | |
| 3100 if (!tfirst) | |
| 3101 tfirst = t; | |
| 3102 else if (t != tfirst) | |
| 3103 error("multiple declarations must have the same type, not %s and %s", | |
| 3104 tfirst.toChars(), t.toChars()); | |
| 3105 if (!ident) | |
| 3106 error("no identifier for declarator %s", t.toChars()); | |
| 3107 | |
| 3108 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 3109 { Declaration v; | |
| 3110 Initializer init = null; | |
| 3111 | |
| 3112 if (token.value == TOK.TOKassign) | |
| 3113 { | |
| 3114 nextToken(); | |
| 3115 init = parseInitializer(); | |
| 3116 } | |
| 3117 if (tok == TOK.TOKtypedef) | |
| 3118 v = new TypedefDeclaration(loc, ident, t, init); | |
| 3119 else | |
| 3120 { if (init) | |
| 3121 error("alias cannot have initializer"); | |
| 3122 v = new AliasDeclaration(loc, ident, t); | |
| 3123 } | |
| 3124 v.storage_class = storage_class; | |
| 3125 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
|
3126 a.push(v); |
| 0 | 3127 else |
| 3128 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3129 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
|
3130 ax.push(v); |
| 0 | 3131 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
|
3132 a.push(s); |
| 0 | 3133 } |
| 3134 switch (token.value) | |
| 3135 { case TOK.TOKsemicolon: | |
| 3136 nextToken(); | |
| 3137 addComment(v, comment); | |
| 3138 break; | |
| 3139 | |
| 3140 case TOK.TOKcomma: | |
| 3141 nextToken(); | |
| 3142 addComment(v, comment); | |
| 3143 continue; | |
| 3144 | |
| 3145 default: | |
| 3146 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 3147 break; | |
| 3148 } | |
| 3149 } | |
| 3150 else if (t.ty == TY.Tfunction) | |
| 3151 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3152 auto tf = cast(TypeFunction)t; |
| 0 | 3153 Expression constraint = null; |
| 3154 static if (false) { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3155 if (Parameter.isTPL(tf.parameters)) |
| 0 | 3156 { |
| 3157 if (!tpl) | |
| 3158 tpl = new TemplateParameters(); | |
| 3159 } | |
| 3160 } | |
| 3161 FuncDeclaration f = | |
| 3162 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 3163 addComment(f, comment); | |
| 3164 if (tpl) | |
| 3165 constraint = parseConstraint(); | |
| 3166 parseContracts(f); | |
| 3167 addComment(f, null); | |
| 3168 Dsymbol s; | |
| 3169 if (link == linkage) | |
| 3170 { | |
| 3171 s = f; | |
| 3172 } | |
| 3173 else | |
| 3174 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3175 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
|
3176 ax.push(f); |
| 0 | 3177 s = new LinkDeclaration(link, ax); |
| 3178 } | |
| 3179 /* A template parameter list means it's a function template | |
| 3180 */ | |
| 3181 if (tpl) | |
| 3182 { | |
| 3183 // Wrap a template around the function declaration | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3184 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
|
3185 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3186 auto tempdecl = |
| 0 | 3187 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 3188 s = tempdecl; | |
| 3189 } | |
| 3190 addComment(s, comment); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3191 a.push(s); |
| 0 | 3192 } |
| 3193 else | |
| 3194 { | |
| 3195 Initializer init = null; | |
| 3196 if (token.value == TOK.TOKassign) | |
| 3197 { | |
| 3198 nextToken(); | |
| 3199 init = parseInitializer(); | |
| 3200 } | |
| 3201 | |
| 3202 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 3203 v.storage_class = storage_class; | |
| 3204 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
|
3205 a.push(v); |
| 0 | 3206 else |
| 3207 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3208 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
|
3209 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3210 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
|
3211 a.push(s); |
| 0 | 3212 } |
| 3213 switch (token.value) | |
| 3214 { case TOK.TOKsemicolon: | |
| 3215 nextToken(); | |
| 3216 addComment(v, comment); | |
| 3217 break; | |
| 3218 | |
| 3219 case TOK.TOKcomma: | |
| 3220 nextToken(); | |
| 3221 addComment(v, comment); | |
| 3222 continue; | |
| 3223 | |
| 3224 default: | |
| 3225 error("semicolon expected, not '%s'", token.toChars()); | |
| 3226 break; | |
| 3227 } | |
| 3228 } | |
| 3229 break; | |
| 3230 } | |
| 3231 return a; | |
| 3232 } | |
| 3233 | |
| 3234 void parseContracts(FuncDeclaration f) | |
| 3235 { | |
| 3236 LINK linksave = linkage; | |
| 3237 | |
| 3238 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3239 // TypeFunction.semantic | |
| 3240 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3241 L1: | |
| 3242 switch (token.value) | |
| 3243 { | |
| 3244 case TOK.TOKlcurly: | |
| 3245 if (f.frequire || f.fensure) | |
| 3246 error("missing body { ... } after in or out"); | |
| 3247 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3248 f.endloc = endloc; | |
| 3249 break; | |
| 3250 | |
| 3251 case TOK.TOKbody: | |
| 3252 nextToken(); | |
| 3253 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3254 f.endloc = endloc; | |
| 3255 break; | |
| 3256 | |
| 3257 case TOK.TOKsemicolon: | |
| 3258 if (f.frequire || f.fensure) | |
| 3259 error("missing body { ... } after in or out"); | |
| 3260 nextToken(); | |
| 3261 break; | |
| 3262 | |
| 3263 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3264 // int x, y, foo(), z; | |
| 3265 case TOK.TOKcomma: | |
| 3266 nextToken(); | |
| 3267 continue; | |
| 3268 } | |
| 3269 | |
| 3270 static if (false) { // Dumped feature | |
| 3271 case TOK.TOKthrow: | |
| 3272 if (!f.fthrows) | |
| 3273 f.fthrows = new Array(); | |
| 3274 nextToken(); | |
| 3275 check(TOK.TOKlparen); | |
| 3276 while (1) | |
| 3277 { | |
|
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60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
3278 Type tb = parseBasicType(); |
| 0 | 3279 f.fthrows.push(tb); |
| 3280 if (token.value == TOK.TOKcomma) | |
| 3281 { nextToken(); | |
| 3282 continue; | |
| 3283 } | |
| 3284 break; | |
| 3285 } | |
| 3286 check(TOK.TOKrparen); | |
| 3287 goto L1; | |
| 3288 } | |
| 3289 | |
| 3290 case TOK.TOKin: | |
| 3291 nextToken(); | |
| 3292 if (f.frequire) | |
| 3293 error("redundant 'in' statement"); | |
| 3294 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3295 goto L1; | |
| 3296 | |
| 3297 case TOK.TOKout: | |
| 3298 // parse: out (identifier) { statement } | |
| 3299 nextToken(); | |
| 3300 if (token.value != TOK.TOKlcurly) | |
| 3301 { | |
| 3302 check(TOK.TOKlparen); | |
| 3303 if (token.value != TOK.TOKidentifier) | |
| 3304 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3305 f.outId = token.ident; | |
| 3306 nextToken(); | |
| 3307 check(TOK.TOKrparen); | |
| 3308 } | |
| 3309 if (f.fensure) | |
| 3310 error("redundant 'out' statement"); | |
| 3311 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3312 goto L1; | |
| 3313 | |
| 3314 default: | |
| 3315 error("semicolon expected following function declaration"); | |
| 3316 break; | |
| 3317 } | |
| 3318 linkage = linksave; | |
| 3319 } | |
| 3320 | |
| 3321 Statement parseStatement(ParseStatementFlags flags) | |
| 3322 { | |
| 3323 Statement s; | |
| 3324 Token* t; | |
| 3325 Condition condition; | |
| 3326 Statement ifbody; | |
| 3327 Statement elsebody; | |
| 3328 bool isfinal; | |
| 3329 Loc loc = this.loc; | |
| 3330 | |
| 3331 //printf("parseStatement()\n"); | |
| 3332 | |
| 3333 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3334 error("statement expected to be { }, not %s", token.toChars()); | |
| 3335 | |
| 3336 switch (token.value) | |
| 3337 { | |
| 3338 case TOK.TOKidentifier: | |
| 3339 /* A leading identifier can be a declaration, label, or expression. | |
| 3340 * The easiest case to check first is label: | |
| 3341 */ | |
| 3342 t = peek(&token); | |
| 3343 if (t.value == TOK.TOKcolon) | |
| 3344 { // It's a label | |
| 3345 | |
| 3346 Identifier ident = token.ident; | |
| 3347 nextToken(); | |
| 3348 nextToken(); | |
| 3349 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3350 s = new LabelStatement(loc, ident, s); | |
| 3351 break; | |
| 3352 } | |
| 3353 // fallthrough to TOK.TOKdot | |
| 3354 case TOK.TOKdot: | |
| 3355 case TOK.TOKtypeof: | |
| 3356 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3357 goto Ldeclaration; | |
| 3358 else | |
| 3359 goto Lexp; | |
| 3360 break; | |
| 3361 | |
| 3362 case TOK.TOKassert: | |
| 3363 case TOK.TOKthis: | |
| 3364 case TOK.TOKsuper: | |
| 3365 case TOK.TOKint32v: | |
| 3366 case TOK.TOKuns32v: | |
| 3367 case TOK.TOKint64v: | |
| 3368 case TOK.TOKuns64v: | |
| 3369 case TOK.TOKfloat32v: | |
| 3370 case TOK.TOKfloat64v: | |
| 3371 case TOK.TOKfloat80v: | |
| 3372 case TOK.TOKimaginary32v: | |
| 3373 case TOK.TOKimaginary64v: | |
| 3374 case TOK.TOKimaginary80v: | |
| 3375 case TOK.TOKcharv: | |
| 3376 case TOK.TOKwcharv: | |
| 3377 case TOK.TOKdcharv: | |
| 3378 case TOK.TOKnull: | |
| 3379 case TOK.TOKtrue: | |
| 3380 case TOK.TOKfalse: | |
| 3381 case TOK.TOKstring: | |
| 3382 case TOK.TOKlparen: | |
| 3383 case TOK.TOKcast: | |
| 3384 case TOK.TOKmul: | |
| 3385 case TOK.TOKmin: | |
| 3386 case TOK.TOKadd: | |
| 3387 case TOK.TOKplusplus: | |
| 3388 case TOK.TOKminusminus: | |
| 3389 case TOK.TOKnew: | |
| 3390 case TOK.TOKdelete: | |
| 3391 case TOK.TOKdelegate: | |
| 3392 case TOK.TOKfunction: | |
| 3393 case TOK.TOKtypeid: | |
| 3394 case TOK.TOKis: | |
| 3395 case TOK.TOKlbracket: | |
| 3396 version (DMDV2) { | |
| 3397 case TOK.TOKtraits: | |
| 3398 case TOK.TOKfile: | |
| 3399 case TOK.TOKline: | |
| 3400 } | |
| 3401 Lexp: | |
|
130
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3402 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3403 auto exp = parseExpression(); |
| 0 | 3404 check(TOK.TOKsemicolon, "statement"); |
| 3405 s = new ExpStatement(loc, exp); | |
| 3406 break; | |
| 3407 } | |
| 3408 | |
| 3409 case TOK.TOKstatic: | |
| 3410 { // Look ahead to see if it's static assert() or static if() | |
| 3411 Token *tt; | |
| 3412 | |
| 3413 tt = peek(&token); | |
| 3414 if (tt.value == TOK.TOKassert) | |
| 3415 { | |
| 3416 nextToken(); | |
| 3417 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3418 break; | |
| 3419 } | |
| 3420 if (tt.value == TOK.TOKif) | |
| 3421 { | |
| 3422 nextToken(); | |
| 3423 condition = parseStaticIfCondition(); | |
| 3424 goto Lcondition; | |
| 3425 } | |
|
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c494af1dba80
Fixes for dmd 2.037
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
131
diff
changeset
|
3426 if (tt.value == TOK.TOKstruct || tt.value == TOK.TOKunion || tt.value == TOK.TOKclass) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3427 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3428 nextToken(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3429 auto a = parseBlock(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3430 Dsymbol d = new StorageClassDeclaration(STCstatic, a); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3431 s = new DeclarationStatement(loc, d); |
|
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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diff
changeset
|
3432 if (flags & ParseStatementFlags.PSscope) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3433 s = new ScopeStatement(loc, s); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3434 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3435 } |
| 0 | 3436 goto Ldeclaration; |
| 3437 } | |
| 3438 | |
| 3439 case TOK.TOKfinal: | |
| 3440 if (peekNext() == TOK.TOKswitch) | |
| 3441 { | |
| 3442 nextToken(); | |
| 3443 isfinal = true; | |
| 3444 goto Lswitch; | |
| 3445 } | |
| 3446 goto Ldeclaration; | |
| 3447 | |
| 3448 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3449 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3450 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3451 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3452 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3453 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3454 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3455 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3456 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3457 case TOK.TOKvoid: | |
| 3458 case TOK.TOKtypedef: | |
| 3459 case TOK.TOKalias: | |
| 3460 case TOK.TOKconst: | |
| 3461 case TOK.TOKauto: | |
| 3462 case TOK.TOKextern: | |
| 3463 case TOK.TOKinvariant: | |
| 3464 version (DMDV2) { | |
| 3465 case TOK.TOKimmutable: | |
| 3466 case TOK.TOKshared: | |
| 135 | 3467 case TOKwild: |
| 0 | 3468 case TOK.TOKnothrow: |
| 3469 case TOK.TOKpure: | |
| 3470 case TOK.TOKtls: | |
| 3471 case TOK.TOKgshared: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3472 case TOK.TOKat: |
| 0 | 3473 } |
| 3474 // case TOK.TOKtypeof: | |
| 3475 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3476 { Dsymbols a; |
| 0 | 3477 |
| 3478 a = parseDeclarations(STC.STCundefined); | |
| 3479 if (a.dim > 1) | |
| 3480 { | |
| 3481 Statements as = new Statements(); | |
| 3482 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3483 foreach(Dsymbol d; a) |
| 0 | 3484 { |
| 3485 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3486 as.push(s); |
| 0 | 3487 } |
| 3488 s = new CompoundDeclarationStatement(loc, as); | |
| 3489 } | |
| 3490 else if (a.dim == 1) | |
| 3491 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3492 auto d = a[0]; |
| 0 | 3493 s = new DeclarationStatement(loc, d); |
| 3494 } | |
| 3495 else | |
| 3496 assert(0); | |
| 3497 if (flags & ParseStatementFlags.PSscope) | |
| 3498 s = new ScopeStatement(loc, s); | |
| 3499 break; | |
| 3500 } | |
| 3501 | |
| 3502 case TOK.TOKstruct: | |
| 3503 case TOK.TOKunion: | |
| 3504 case TOK.TOKclass: | |
| 3505 case TOK.TOKinterface: | |
| 3506 { Dsymbol d; | |
| 3507 | |
| 3508 d = parseAggregate(); | |
| 3509 s = new DeclarationStatement(loc, d); | |
| 3510 break; | |
| 3511 } | |
| 3512 | |
| 3513 case TOK.TOKenum: | |
| 3514 { /* Determine if this is a manifest constant declaration, | |
| 3515 * or a conventional enum. | |
| 3516 */ | |
| 3517 Dsymbol d; | |
| 3518 Token* tt = peek(&token); | |
| 3519 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3520 d = parseEnum(); | |
| 3521 else if (tt.value != TOK.TOKidentifier) | |
| 3522 goto Ldeclaration; | |
| 3523 else | |
| 3524 { | |
| 3525 tt = peek(tt); | |
| 3526 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3527 tt.value == TOK.TOKsemicolon) | |
| 3528 d = parseEnum(); | |
| 3529 else | |
| 3530 goto Ldeclaration; | |
| 3531 } | |
| 3532 s = new DeclarationStatement(loc, d); | |
| 3533 break; | |
| 3534 } | |
| 3535 | |
| 3536 case TOK.TOKmixin: | |
| 3537 { t = peek(&token); | |
| 3538 if (t.value == TOK.TOKlparen) | |
| 3539 { // mixin(string) | |
| 3540 nextToken(); | |
| 3541 check(TOK.TOKlparen, "mixin"); | |
| 3542 Expression e = parseAssignExp(); | |
| 3543 check(TOK.TOKrparen); | |
| 3544 check(TOK.TOKsemicolon); | |
| 3545 s = new CompileStatement(loc, e); | |
| 3546 break; | |
| 3547 } | |
| 3548 Dsymbol d = parseMixin(); | |
| 3549 s = new DeclarationStatement(loc, d); | |
| 3550 break; | |
| 3551 } | |
| 3552 | |
| 3553 case TOK.TOKlcurly: | |
| 79 | 3554 { |
| 3555 nextToken(); | |
| 3556 Statements statements = new Statements(); | |
| 3557 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3558 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3559 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3560 } |
| 3561 endloc = this.loc; | |
| 3562 s = new CompoundStatement(loc, statements); | |
| 3563 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3564 s = new ScopeStatement(loc, s); | |
| 3565 nextToken(); | |
| 3566 break; | |
| 3567 } | |
| 3568 | |
| 3569 case TOK.TOKwhile: | |
| 3570 { Expression condition2; | |
| 3571 Statement body_; | |
| 3572 | |
| 3573 nextToken(); | |
| 3574 check(TOK.TOKlparen); | |
| 3575 condition2 = parseExpression(); | |
| 3576 check(TOK.TOKrparen); | |
| 3577 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3578 s = new WhileStatement(loc, condition2, body_); | |
| 3579 break; | |
| 3580 } | |
| 3581 | |
| 3582 case TOK.TOKsemicolon: | |
| 3583 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3584 error("use '{ }' for an empty statement, not a ';'"); | |
| 3585 nextToken(); | |
| 3586 s = new ExpStatement(loc, null); | |
| 3587 break; | |
| 3588 | |
| 3589 case TOK.TOKdo: | |
| 3590 { Statement body_; | |
| 3591 Expression condition2; | |
| 3592 | |
| 3593 nextToken(); | |
| 3594 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3595 check(TOK.TOKwhile); | |
| 3596 check(TOK.TOKlparen); | |
| 3597 condition2 = parseExpression(); | |
| 3598 check(TOK.TOKrparen); | |
| 3599 s = new DoStatement(loc, body_, condition2); | |
| 3600 break; | |
| 3601 } | |
| 3602 | |
| 3603 case TOK.TOKfor: | |
| 3604 { | |
| 3605 Statement init; | |
| 3606 Expression condition2; | |
| 3607 Expression increment; | |
| 3608 Statement body_; | |
| 3609 | |
| 3610 nextToken(); | |
| 3611 check(TOK.TOKlparen); | |
| 3612 if (token.value == TOK.TOKsemicolon) | |
| 3613 { init = null; | |
| 3614 nextToken(); | |
| 3615 } | |
| 3616 else | |
| 3617 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3618 } | |
| 3619 if (token.value == TOK.TOKsemicolon) | |
| 3620 { | |
| 3621 condition2 = null; | |
| 3622 nextToken(); | |
| 3623 } | |
| 3624 else | |
| 3625 { | |
| 3626 condition2 = parseExpression(); | |
| 3627 check(TOK.TOKsemicolon, "for condition"); | |
| 3628 } | |
| 3629 if (token.value == TOK.TOKrparen) | |
| 3630 { increment = null; | |
| 3631 nextToken(); | |
| 3632 } | |
| 3633 else | |
| 3634 { increment = parseExpression(); | |
| 3635 check(TOK.TOKrparen); | |
| 3636 } | |
| 3637 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3638 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3639 if (init) | |
| 3640 s = new ScopeStatement(loc, s); | |
| 3641 break; | |
| 3642 } | |
| 3643 | |
| 3644 case TOK.TOKforeach: | |
| 3645 case TOK.TOKforeach_reverse: | |
| 3646 { | |
| 3647 TOK op = token.value; | |
| 3648 | |
| 3649 nextToken(); | |
| 3650 check(TOK.TOKlparen); | |
| 3651 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3652 auto arguments = new Parameters(); |
| 0 | 3653 |
| 3654 while (1) | |
| 3655 { | |
| 3656 Identifier ai = null; | |
| 3657 Type at; | |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
3658 StorageClass storageClass = STC.STCundefined; |
| 0 | 3659 |
| 135 | 3660 if (token.value == TOKref |
| 3661 //#if D1INOUT | |
| 3662 // || token.value == TOKinout | |
| 3663 //#endif | |
| 3664 ) | |
| 0 | 3665 { storageClass = STC.STCref; |
| 3666 nextToken(); | |
| 3667 } | |
| 3668 if (token.value == TOK.TOKidentifier) | |
| 3669 { | |
| 3670 Token *tt = peek(&token); | |
| 3671 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3672 { ai = token.ident; | |
| 3673 at = null; // infer argument type | |
| 3674 nextToken(); | |
| 3675 goto Larg; | |
| 3676 } | |
| 3677 } | |
| 3678 at = parseType(&ai); | |
| 3679 if (!ai) | |
| 3680 error("no identifier for declarator %s", at.toChars()); | |
| 3681 Larg: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3682 auto a = new Parameter(storageClass, at, ai, null); |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3683 arguments.push(a); |
| 0 | 3684 if (token.value == TOK.TOKcomma) |
| 3685 { nextToken(); | |
| 3686 continue; | |
| 3687 } | |
| 3688 break; | |
| 3689 } | |
| 3690 check(TOK.TOKsemicolon); | |
| 3691 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3692 Expression aggr = parseExpression(); |
| 0 | 3693 if (token.value == TOK.TOKslice && arguments.dim == 1) |
| 3694 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3695 auto a = arguments[0]; |
| 0 | 3696 delete arguments; |
| 3697 nextToken(); | |
| 3698 Expression upr = parseExpression(); | |
| 3699 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3700 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3701 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); |
| 3702 } | |
| 3703 else | |
| 3704 { | |
| 3705 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3706 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3707 s = new ForeachStatement(loc, op, arguments, aggr, body_); |
| 3708 } | |
| 3709 break; | |
| 3710 } | |
| 3711 | |
| 3712 case TOK.TOKif: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3713 { Parameter arg = null; |
| 0 | 3714 Expression condition2; |
| 3715 Statement ifbody2; | |
| 3716 Statement elsebody2; | |
| 3717 | |
| 3718 nextToken(); | |
| 3719 check(TOK.TOKlparen); | |
| 3720 | |
| 3721 if (token.value == TOK.TOKauto) | |
| 3722 { | |
| 3723 nextToken(); | |
| 3724 if (token.value == TOK.TOKidentifier) | |
| 3725 { | |
| 3726 Token *tt = peek(&token); | |
| 3727 if (tt.value == TOK.TOKassign) | |
| 3728 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3729 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3730 nextToken(); |
| 3731 nextToken(); | |
| 3732 } | |
| 3733 else | |
| 3734 { error("= expected following auto identifier"); | |
| 3735 goto Lerror; | |
| 3736 } | |
| 3737 } | |
| 3738 else | |
| 3739 { error("identifier expected following auto"); | |
| 3740 goto Lerror; | |
| 3741 } | |
| 3742 } | |
| 3743 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3744 { | |
| 3745 Type at; | |
| 3746 Identifier ai; | |
| 3747 | |
| 3748 at = parseType(&ai); | |
| 3749 check(TOK.TOKassign); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3750 arg = new Parameter(STC.STCundefined, at, ai, null); |
| 0 | 3751 } |
| 3752 | |
| 3753 // Check for " ident;" | |
| 3754 else if (token.value == TOK.TOKidentifier) | |
| 3755 { | |
| 3756 Token *tt = peek(&token); | |
| 3757 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3758 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3759 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3760 nextToken(); |
| 3761 nextToken(); | |
| 3762 if (1 || !global.params.useDeprecated) | |
| 3763 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3764 } | |
| 3765 } | |
| 3766 | |
| 3767 condition2 = parseExpression(); | |
| 3768 check(TOK.TOKrparen); | |
| 3769 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3770 if (token.value == TOK.TOKelse) | |
| 3771 { | |
| 3772 nextToken(); | |
| 3773 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3774 } | |
| 3775 else | |
| 3776 elsebody2 = null; | |
| 3777 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3778 break; | |
| 3779 } | |
| 3780 | |
| 3781 case TOK.TOKscope: | |
| 3782 if (peek(&token).value != TOK.TOKlparen) | |
| 3783 goto Ldeclaration; // scope used as storage class | |
| 3784 nextToken(); | |
| 3785 check(TOK.TOKlparen); | |
| 3786 if (token.value != TOK.TOKidentifier) | |
| 3787 { error("scope identifier expected"); | |
| 3788 goto Lerror; | |
| 3789 } | |
| 3790 else | |
| 3791 { TOK tt = TOK.TOKon_scope_exit; | |
| 3792 Identifier id = token.ident; | |
| 3793 | |
| 3794 if (id == Id.exit) | |
| 3795 tt = TOK.TOKon_scope_exit; | |
| 3796 else if (id == Id.failure) | |
| 3797 tt = TOK.TOKon_scope_failure; | |
| 3798 else if (id == Id.success) | |
| 3799 tt = TOK.TOKon_scope_success; | |
| 3800 else | |
| 3801 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3802 nextToken(); | |
| 3803 check(TOK.TOKrparen); | |
| 3804 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3805 s = new OnScopeStatement(loc, tt, st); | |
| 3806 break; | |
| 3807 } | |
| 3808 | |
| 3809 case TOK.TOKdebug: | |
| 3810 nextToken(); | |
| 3811 condition = parseDebugCondition(); | |
| 3812 goto Lcondition; | |
| 3813 | |
| 3814 case TOK.TOKversion: | |
| 3815 nextToken(); | |
| 3816 condition = parseVersionCondition(); | |
| 3817 goto Lcondition; | |
| 3818 | |
| 3819 Lcondition: | |
| 3820 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3821 elsebody = null; | |
| 3822 if (token.value == TOK.TOKelse) | |
| 3823 { | |
| 3824 nextToken(); | |
| 3825 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3826 } | |
| 3827 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3828 break; | |
| 3829 | |
| 3830 case TOK.TOKpragma: | |
| 3831 { Identifier ident; | |
| 3832 Expressions args = null; | |
| 3833 Statement body_; | |
| 3834 | |
| 3835 nextToken(); | |
| 3836 check(TOK.TOKlparen); | |
| 3837 if (token.value != TOK.TOKidentifier) | |
| 3838 { error("pragma(identifier expected"); | |
| 3839 goto Lerror; | |
| 3840 } | |
| 3841 ident = token.ident; | |
| 3842 nextToken(); | |
| 3843 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3844 args = parseArguments(); // pragma(identifier, args...); | |
| 3845 else | |
| 3846 check(TOK.TOKrparen); // pragma(identifier); | |
| 3847 if (token.value == TOK.TOKsemicolon) | |
| 3848 { nextToken(); | |
| 3849 body_ = null; | |
| 3850 } | |
| 3851 else | |
| 3852 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3853 s = new PragmaStatement(loc, ident, args, body_); | |
| 3854 break; | |
| 3855 } | |
| 3856 | |
| 3857 case TOK.TOKswitch: | |
| 3858 isfinal = false; | |
| 3859 goto Lswitch; | |
| 3860 | |
| 3861 Lswitch: | |
| 3862 { | |
| 3863 nextToken(); | |
| 3864 check(TOK.TOKlparen); | |
| 3865 Expression condition2 = parseExpression(); | |
| 3866 check(TOK.TOKrparen); | |
| 3867 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3868 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3869 break; | |
| 3870 } | |
| 3871 | |
| 3872 case TOK.TOKcase: | |
| 3873 { Expression exp; | |
| 3874 Statements statements; | |
|
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126
diff
changeset
|
3875 scope cases = new Expressions(); // array of Expression's |
| 0 | 3876 Expression last = null; |
| 3877 | |
| 3878 while (1) | |
| 3879 { | |
| 3880 nextToken(); | |
| 3881 exp = parseAssignExp(); | |
|
128
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126
diff
changeset
|
3882 cases.push(exp); |
| 0 | 3883 if (token.value != TOK.TOKcomma) |
| 3884 break; | |
| 3885 } | |
| 3886 check(TOK.TOKcolon); | |
| 3887 | |
| 3888 version (DMDV2) { | |
| 3889 /* case exp: .. case last: | |
| 3890 */ | |
| 3891 if (token.value == TOK.TOKslice) | |
| 3892 { | |
| 3893 if (cases.dim > 1) | |
| 3894 error("only one case allowed for start of case range"); | |
| 3895 nextToken(); | |
| 3896 check(TOK.TOKcase); | |
| 3897 last = parseAssignExp(); | |
| 3898 check(TOK.TOKcolon); | |
| 3899 } | |
| 3900 } | |
| 3901 | |
| 3902 statements = new Statements(); | |
| 3903 while (token.value != TOK.TOKcase && | |
| 3904 token.value != TOK.TOKdefault && | |
| 79 | 3905 token.value != TOKeof && |
| 0 | 3906 token.value != TOK.TOKrcurly) |
| 3907 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3908 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3909 } |
| 3910 s = new CompoundStatement(loc, statements); | |
| 3911 s = new ScopeStatement(loc, s); | |
| 3912 | |
| 3913 ///version (DMDV2) { | |
| 3914 if (last) | |
| 3915 { | |
| 3916 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3917 } | |
| 3918 else | |
| 3919 ///} | |
| 3920 { | |
| 3921 // Keep cases in order by building the case statements backwards | |
| 3922 for (int i = cases.dim; i; i--) | |
| 3923 { | |
|
128
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parents:
126
diff
changeset
|
3924 exp = cases[i - 1]; |
| 0 | 3925 s = new CaseStatement(loc, exp, s); |
| 3926 } | |
| 3927 } | |
| 3928 break; | |
| 3929 } | |
| 3930 | |
| 3931 case TOK.TOKdefault: | |
| 3932 { | |
| 3933 Statements statements; | |
| 3934 | |
| 3935 nextToken(); | |
| 3936 check(TOK.TOKcolon); | |
| 3937 | |
| 3938 statements = new Statements(); | |
| 3939 while (token.value != TOK.TOKcase && | |
| 3940 token.value != TOK.TOKdefault && | |
| 79 | 3941 token.value != TOKeof && |
| 0 | 3942 token.value != TOK.TOKrcurly) |
| 3943 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3944 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3945 } |
| 3946 s = new CompoundStatement(loc, statements); | |
| 3947 s = new ScopeStatement(loc, s); | |
| 3948 s = new DefaultStatement(loc, s); | |
| 3949 break; | |
| 3950 } | |
| 3951 | |
| 3952 case TOK.TOKreturn: | |
| 3953 { Expression exp; | |
| 3954 | |
| 3955 nextToken(); | |
| 3956 if (token.value == TOK.TOKsemicolon) | |
| 3957 exp = null; | |
| 3958 else | |
| 3959 exp = parseExpression(); | |
| 3960 check(TOK.TOKsemicolon, "return statement"); | |
| 3961 s = new ReturnStatement(loc, exp); | |
| 3962 break; | |
| 3963 } | |
| 3964 | |
| 3965 case TOK.TOKbreak: | |
| 3966 { Identifier ident; | |
| 3967 | |
| 3968 nextToken(); | |
| 3969 if (token.value == TOK.TOKidentifier) | |
| 3970 { ident = token.ident; | |
| 3971 nextToken(); | |
| 3972 } | |
| 3973 else | |
| 3974 ident = null; | |
| 3975 check(TOK.TOKsemicolon, "break statement"); | |
| 3976 s = new BreakStatement(loc, ident); | |
| 3977 break; | |
| 3978 } | |
| 3979 | |
| 3980 case TOK.TOKcontinue: | |
| 3981 { Identifier ident; | |
| 3982 | |
| 3983 nextToken(); | |
| 3984 if (token.value == TOK.TOKidentifier) | |
| 3985 { ident = token.ident; | |
| 3986 nextToken(); | |
| 3987 } | |
| 3988 else | |
| 3989 ident = null; | |
| 3990 check(TOK.TOKsemicolon, "continue statement"); | |
| 3991 s = new ContinueStatement(loc, ident); | |
| 3992 break; | |
| 3993 } | |
| 3994 | |
| 3995 case TOK.TOKgoto: | |
| 3996 { Identifier ident; | |
| 3997 | |
| 3998 nextToken(); | |
| 3999 if (token.value == TOK.TOKdefault) | |
| 4000 { | |
| 4001 nextToken(); | |
| 4002 s = new GotoDefaultStatement(loc); | |
| 4003 } | |
| 4004 else if (token.value == TOK.TOKcase) | |
| 4005 { | |
| 4006 Expression exp = null; | |
| 4007 | |
| 4008 nextToken(); | |
| 4009 if (token.value != TOK.TOKsemicolon) | |
| 4010 exp = parseExpression(); | |
| 4011 s = new GotoCaseStatement(loc, exp); | |
| 4012 } | |
| 4013 else | |
| 4014 { | |
| 4015 if (token.value != TOK.TOKidentifier) | |
| 4016 { error("Identifier expected following goto"); | |
| 4017 ident = null; | |
| 4018 } | |
| 4019 else | |
| 4020 { ident = token.ident; | |
| 4021 nextToken(); | |
| 4022 } | |
| 4023 s = new GotoStatement(loc, ident); | |
| 4024 } | |
| 4025 check(TOK.TOKsemicolon, "goto statement"); | |
| 4026 break; | |
| 4027 } | |
| 4028 | |
| 4029 case TOK.TOKsynchronized: | |
| 4030 { Expression exp; | |
| 4031 Statement body_; | |
| 4032 | |
| 4033 nextToken(); | |
| 4034 if (token.value == TOK.TOKlparen) | |
| 4035 { | |
| 4036 nextToken(); | |
| 4037 exp = parseExpression(); | |
| 4038 check(TOK.TOKrparen); | |
| 4039 } | |
| 4040 else | |
| 4041 exp = null; | |
| 4042 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 4043 s = new SynchronizedStatement(loc, exp, body_); | |
| 4044 break; | |
| 4045 } | |
| 4046 | |
| 4047 case TOK.TOKwith: | |
| 4048 { Expression exp; | |
| 4049 Statement body_; | |
| 4050 | |
| 4051 nextToken(); | |
| 4052 check(TOK.TOKlparen); | |
| 4053 exp = parseExpression(); | |
| 4054 check(TOK.TOKrparen); | |
| 4055 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 4056 s = new WithStatement(loc, exp, body_); | |
| 4057 break; | |
| 4058 } | |
| 4059 | |
| 4060 case TOK.TOKtry: | |
| 4061 { Statement body_; | |
| 4062 Array catches = null; | |
| 4063 Statement finalbody = null; | |
| 4064 | |
| 4065 nextToken(); | |
| 4066 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 4067 while (token.value == TOK.TOKcatch) | |
| 4068 { | |
| 4069 Statement handler; | |
| 4070 Catch c; | |
| 4071 Type tt; | |
| 4072 Identifier id; | |
| 4073 Loc loc2 = this.loc; | |
| 4074 | |
| 4075 nextToken(); | |
| 4076 if (token.value == TOK.TOKlcurly) | |
| 4077 { | |
| 4078 tt = null; | |
| 4079 id = null; | |
| 4080 } | |
| 4081 else | |
| 4082 { | |
| 4083 check(TOK.TOKlparen); | |
| 4084 id = null; | |
| 4085 tt = parseType(&id); | |
| 4086 check(TOK.TOKrparen); | |
| 4087 } | |
| 4088 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 4089 c = new Catch(loc2, tt, id, handler); | |
| 4090 if (!catches) | |
| 4091 catches = new Array(); | |
| 4092 catches.push(cast(void*)c); | |
| 4093 } | |
| 4094 | |
| 4095 if (token.value == TOK.TOKfinally) | |
| 4096 { nextToken(); | |
| 4097 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 4098 } | |
| 4099 | |
| 4100 s = body_; | |
| 4101 if (!catches && !finalbody) | |
| 4102 error("catch or finally expected following try"); | |
| 4103 else | |
| 4104 { if (catches) | |
| 4105 s = new TryCatchStatement(loc, body_, catches); | |
| 4106 if (finalbody) | |
| 4107 s = new TryFinallyStatement(loc, s, finalbody); | |
| 4108 } | |
| 4109 break; | |
| 4110 } | |
| 4111 | |
| 4112 case TOK.TOKthrow: | |
| 4113 { Expression exp; | |
| 4114 | |
| 4115 nextToken(); | |
| 4116 exp = parseExpression(); | |
| 4117 check(TOK.TOKsemicolon, "throw statement"); | |
| 4118 s = new ThrowStatement(loc, exp); | |
| 4119 break; | |
| 4120 } | |
| 4121 | |
| 4122 case TOK.TOKvolatile: | |
| 4123 nextToken(); | |
| 4124 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 4125 version (DMDV2) { | |
| 4126 if (!global.params.useDeprecated) | |
| 4127 error("volatile statements deprecated; used synchronized statements instead"); | |
| 4128 } | |
| 4129 s = new VolatileStatement(loc, s); | |
| 4130 break; | |
| 4131 | |
| 4132 case TOK.TOKasm: | |
| 4133 { Statements statements; | |
| 4134 Identifier label; | |
| 4135 Loc labelloc; | |
| 4136 Token* toklist; | |
| 4137 Token** ptoklist; | |
| 4138 | |
| 4139 // Parse the asm block into a sequence of AsmStatements, | |
| 4140 // each AsmStatement is one instruction. | |
| 4141 // Separate out labels. | |
| 4142 // Defer parsing of AsmStatements until semantic processing. | |
| 4143 | |
| 4144 nextToken(); | |
| 4145 check(TOK.TOKlcurly); | |
| 4146 toklist = null; | |
| 4147 ptoklist = &toklist; | |
| 4148 label = null; | |
| 4149 statements = new Statements(); | |
| 4150 while (1) | |
| 4151 { | |
| 4152 switch (token.value) | |
| 4153 { | |
| 4154 case TOK.TOKidentifier: | |
| 4155 if (!toklist) | |
| 4156 { | |
| 4157 // Look ahead to see if it is a label | |
| 4158 t = peek(&token); | |
| 4159 if (t.value == TOK.TOKcolon) | |
| 4160 { // It's a label | |
| 4161 label = token.ident; | |
| 4162 labelloc = this.loc; | |
| 4163 nextToken(); | |
| 4164 nextToken(); | |
| 4165 continue; | |
| 4166 } | |
| 4167 } | |
| 4168 goto Ldefault; | |
| 4169 | |
| 4170 case TOK.TOKrcurly: | |
| 4171 if (toklist || label) | |
| 4172 { | |
| 4173 error("asm statements must end in ';'"); | |
| 4174 } | |
| 4175 break; | |
| 4176 | |
| 4177 case TOK.TOKsemicolon: | |
| 4178 s = null; | |
| 4179 if (toklist || label) | |
| 4180 { // Create AsmStatement from list of tokens we've saved | |
| 4181 s = new AsmStatement(this.loc, toklist); | |
| 4182 toklist = null; | |
| 4183 ptoklist = &toklist; | |
| 4184 if (label) | |
| 4185 { | |
| 4186 s = new LabelStatement(labelloc, label, s); | |
| 4187 label = null; | |
| 4188 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
4189 statements.push(s); |
| 0 | 4190 } |
| 4191 nextToken(); | |
| 4192 continue; | |
| 4193 | |
| 4194 case TOK.TOKeof: | |
| 4195 /* { */ | |
| 4196 error("matching '}' expected, not end of file"); | |
| 4197 break; | |
| 4198 | |
| 4199 default: | |
| 4200 Ldefault: | |
| 4201 *ptoklist = new Token(); | |
| 4202 memcpy(*ptoklist, &token, Token.sizeof); | |
| 4203 ptoklist = &(*ptoklist).next; | |
| 4204 *ptoklist = null; | |
| 4205 | |
| 4206 nextToken(); | |
| 4207 continue; | |
| 4208 } | |
| 4209 break; | |
| 4210 } | |
| 4211 s = new CompoundStatement(loc, statements); | |
| 4212 nextToken(); | |
| 4213 break; | |
| 4214 } | |
| 4215 | |
| 4216 default: | |
| 4217 error("found '%s' instead of statement", token.toChars()); | |
| 4218 goto Lerror; | |
| 4219 | |
| 4220 Lerror: | |
| 4221 while (token.value != TOK.TOKrcurly && | |
| 4222 token.value != TOK.TOKsemicolon && | |
| 4223 token.value != TOK.TOKeof) | |
| 4224 nextToken(); | |
| 4225 if (token.value == TOK.TOKsemicolon) | |
| 4226 nextToken(); | |
| 4227 s = null; | |
| 4228 break; | |
| 4229 } | |
| 4230 | |
| 4231 return s; | |
| 4232 } | |
| 4233 | |
| 4234 /***************************************** | |
| 4235 * Parse initializer for variable declaration. | |
| 4236 */ | |
| 4237 Initializer parseInitializer() | |
| 4238 { | |
| 4239 StructInitializer is_; | |
| 4240 ArrayInitializer ia; | |
| 4241 ExpInitializer ie; | |
| 4242 Expression e; | |
| 4243 Identifier id; | |
| 4244 Initializer value; | |
| 4245 int comma; | |
| 4246 Loc loc = this.loc; | |
| 4247 Token* t; | |
| 4248 int braces; | |
| 4249 int brackets; | |
| 4250 | |
| 4251 switch (token.value) | |
| 4252 { | |
| 4253 case TOK.TOKlcurly: | |
| 4254 /* Scan ahead to see if it is a struct initializer or | |
| 4255 * a function literal. | |
| 4256 * If it contains a ';', it is a function literal. | |
| 4257 * Treat { } as a struct initializer. | |
| 4258 */ | |
| 4259 braces = 1; | |
| 4260 for (t = peek(&token); 1; t = peek(t)) | |
| 4261 { | |
| 4262 switch (t.value) | |
| 4263 { | |
| 4264 case TOK.TOKsemicolon: | |
| 4265 case TOK.TOKreturn: | |
| 4266 goto Lexpression; | |
| 4267 | |
| 4268 case TOK.TOKlcurly: | |
| 4269 braces++; | |
| 4270 continue; | |
| 4271 | |
| 4272 case TOK.TOKrcurly: | |
| 4273 if (--braces == 0) | |
| 4274 break; | |
| 4275 continue; | |
| 4276 | |
| 4277 case TOK.TOKeof: | |
| 4278 break; | |
| 4279 | |
| 4280 default: | |
| 4281 continue; | |
| 4282 } | |
| 4283 break; | |
| 4284 } | |
| 4285 | |
| 4286 is_ = new StructInitializer(loc); | |
| 4287 nextToken(); | |
| 4288 comma = 0; | |
| 4289 while (1) | |
| 4290 { | |
| 4291 switch (token.value) | |
| 4292 { | |
| 4293 case TOK.TOKidentifier: | |
| 4294 if (comma == 1) | |
| 4295 error("comma expected separating field initializers"); | |
| 4296 t = peek(&token); | |
| 4297 if (t.value == TOK.TOKcolon) | |
| 4298 { | |
| 4299 id = token.ident; | |
| 4300 nextToken(); | |
| 4301 nextToken(); // skip over ':' | |
| 4302 } | |
| 4303 else | |
| 4304 { | |
| 4305 id = null; | |
| 4306 } | |
| 4307 value = parseInitializer(); | |
| 4308 is_.addInit(id, value); | |
| 4309 comma = 1; | |
| 4310 continue; | |
| 4311 | |
| 4312 case TOK.TOKcomma: | |
| 4313 nextToken(); | |
| 4314 comma = 2; | |
| 4315 continue; | |
| 4316 | |
| 4317 case TOK.TOKrcurly: // allow trailing comma's | |
| 4318 nextToken(); | |
| 4319 break; | |
| 4320 | |
| 4321 case TOK.TOKeof: | |
| 4322 error("found EOF instead of initializer"); | |
| 4323 break; | |
| 4324 | |
| 4325 default: | |
| 4326 value = parseInitializer(); | |
| 4327 is_.addInit(null, value); | |
| 4328 comma = 1; | |
| 4329 continue; | |
| 4330 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4331 //break; | |
| 4332 } | |
| 4333 break; | |
| 4334 } | |
| 4335 return is_; | |
| 4336 | |
| 4337 case TOK.TOKlbracket: | |
| 4338 /* Scan ahead to see if it is an array initializer or | |
| 4339 * an expression. | |
| 4340 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4341 */ | |
| 4342 brackets = 1; | |
| 4343 for (t = peek(&token); 1; t = peek(t)) | |
| 4344 { | |
| 4345 switch (t.value) | |
| 4346 { | |
| 4347 case TOK.TOKlbracket: | |
| 4348 brackets++; | |
| 4349 continue; | |
| 4350 | |
| 4351 case TOK.TOKrbracket: | |
| 4352 if (--brackets == 0) | |
| 4353 { | |
| 4354 t = peek(t); | |
| 4355 if (t.value != TOK.TOKsemicolon && | |
| 4356 t.value != TOK.TOKcomma && | |
| 4357 t.value != TOK.TOKrcurly) | |
| 4358 goto Lexpression; | |
| 4359 break; | |
| 4360 } | |
| 4361 continue; | |
| 4362 | |
| 4363 case TOK.TOKeof: | |
| 4364 break; | |
| 4365 | |
| 4366 default: | |
| 4367 continue; | |
| 4368 } | |
| 4369 break; | |
| 4370 } | |
| 4371 | |
| 4372 ia = new ArrayInitializer(loc); | |
| 4373 nextToken(); | |
| 4374 comma = 0; | |
| 4375 while (true) | |
| 4376 { | |
| 4377 switch (token.value) | |
| 4378 { | |
| 4379 default: | |
| 4380 if (comma == 1) | |
| 4381 { | |
| 4382 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4383 nextToken(); | |
| 4384 break; | |
| 4385 } | |
| 4386 e = parseAssignExp(); | |
| 4387 if (!e) | |
| 4388 break; | |
| 4389 if (token.value == TOK.TOKcolon) | |
| 4390 { | |
| 4391 nextToken(); | |
| 4392 value = parseInitializer(); | |
| 4393 } | |
| 4394 else | |
| 4395 { value = new ExpInitializer(e.loc, e); | |
| 4396 e = null; | |
| 4397 } | |
| 4398 ia.addInit(e, value); | |
| 4399 comma = 1; | |
| 4400 continue; | |
| 4401 | |
| 4402 case TOK.TOKlcurly: | |
| 4403 case TOK.TOKlbracket: | |
| 4404 if (comma == 1) | |
| 4405 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4406 value = parseInitializer(); | |
| 4407 ia.addInit(null, value); | |
| 4408 comma = 1; | |
| 4409 continue; | |
| 4410 | |
| 4411 case TOK.TOKcomma: | |
| 4412 nextToken(); | |
| 4413 comma = 2; | |
| 4414 continue; | |
| 4415 | |
| 4416 case TOK.TOKrbracket: // allow trailing comma's | |
| 4417 nextToken(); | |
| 4418 break; | |
| 4419 | |
| 4420 case TOK.TOKeof: | |
| 4421 error("found '%s' instead of array initializer", token.toChars()); | |
| 4422 break; | |
| 4423 } | |
| 4424 break; | |
| 4425 } | |
| 4426 return ia; | |
| 4427 | |
| 4428 case TOK.TOKvoid: | |
| 4429 t = peek(&token); | |
| 4430 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4431 { | |
| 4432 nextToken(); | |
| 4433 return new VoidInitializer(loc); | |
| 4434 } | |
| 4435 goto Lexpression; | |
| 4436 | |
| 4437 default: | |
| 4438 Lexpression: | |
| 4439 e = parseAssignExp(); | |
| 4440 ie = new ExpInitializer(loc, e); | |
| 4441 return ie; | |
| 4442 } | |
| 4443 } | |
| 4444 | |
| 4445 /***************************************** | |
| 4446 * Parses default argument initializer expression that is an assign expression, | |
| 4447 * with special handling for __FILE__ and __LINE__. | |
| 4448 */ | |
| 4449 version (DMDV2) { | |
| 4450 Expression parseDefaultInitExp() | |
| 4451 { | |
| 4452 if (token.value == TOK.TOKfile || | |
| 4453 token.value == TOK.TOKline) | |
| 4454 { | |
| 4455 Token* t = peek(&token); | |
| 4456 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4457 { | |
| 4458 Expression e; | |
| 4459 | |
| 4460 if (token.value == TOK.TOKfile) | |
| 4461 e = new FileInitExp(loc); | |
| 4462 else | |
| 4463 e = new LineInitExp(loc); | |
| 4464 nextToken(); | |
| 4465 return e; | |
| 4466 } | |
| 4467 } | |
| 4468 | |
| 4469 Expression e = parseAssignExp(); | |
| 4470 return e; | |
| 4471 } | |
| 4472 } | |
| 4473 void check(Loc loc, TOK value) | |
| 4474 { | |
| 4475 if (token.value != value) | |
| 4476 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4477 nextToken(); | |
| 4478 } | |
| 4479 | |
| 4480 void check(TOK value) | |
| 4481 { | |
| 4482 check(loc, value); | |
| 4483 } | |
| 4484 | |
| 4485 void check(TOK value, string string_) | |
| 4486 { | |
| 4487 if (token.value != value) { | |
| 4488 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4489 } | |
| 4490 nextToken(); | |
| 4491 } | |
| 4492 | |
| 4493 /************************************ | |
| 4494 * Determine if the scanner is sitting on the start of a declaration. | |
| 4495 * Input: | |
| 4496 * needId 0 no identifier | |
| 4497 * 1 identifier optional | |
| 4498 * 2 must have identifier | |
| 4499 * Output: | |
| 4500 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4501 */ | |
| 4502 | |
| 4503 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4504 { | |
| 4505 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4506 int haveId = 0; | |
| 4507 | |
| 4508 version (DMDV2) { | |
| 4509 if ((t.value == TOK.TOKconst || | |
| 4510 t.value == TOK.TOKinvariant || | |
| 4511 t.value == TOK.TOKimmutable || | |
| 135 | 4512 t.value == TOKwild || |
| 0 | 4513 t.value == TOK.TOKshared) && |
| 4514 peek(t).value != TOK.TOKlparen) | |
| 4515 { | |
| 4516 /* const type | |
| 4517 * immutable type | |
| 4518 * shared type | |
| 135 | 4519 * wild type |
| 0 | 4520 */ |
| 4521 t = peek(t); | |
| 4522 } | |
| 4523 } | |
| 4524 | |
| 4525 if (!isBasicType(&t)) | |
| 4526 { | |
| 4527 goto Lisnot; | |
| 4528 } | |
| 4529 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4530 goto Lisnot; | |
| 4531 if ( needId == 1 || | |
| 4532 (needId == 0 && !haveId) || | |
| 4533 (needId == 2 && haveId)) | |
| 4534 { | |
| 4535 if (pt) | |
| 4536 *pt = t; | |
| 4537 goto Lis; | |
| 4538 } | |
| 4539 else | |
| 4540 goto Lisnot; | |
| 4541 | |
| 4542 Lis: | |
| 4543 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4544 return true; | |
| 4545 | |
| 4546 Lisnot: | |
| 4547 //printf("\tis not declaration\n"); | |
| 4548 return false; | |
| 4549 } | |
| 4550 | |
| 4551 bool isBasicType(Token** pt) | |
| 4552 { | |
| 4553 // This code parallels parseBasicType() | |
| 4554 Token* t = *pt; | |
| 4555 Token* t2; | |
| 4556 int parens; | |
| 4557 int haveId = 0; | |
| 4558 | |
| 4559 switch (t.value) | |
| 4560 { | |
| 4561 case TOKwchar: | |
| 4562 case TOKdchar: | |
| 4563 case TOKbit: | |
| 4564 case TOKbool: | |
| 4565 case TOKchar: | |
| 4566 case TOKint8: | |
| 4567 case TOKuns8: | |
| 4568 case TOKint16: | |
| 4569 case TOKuns16: | |
| 4570 case TOKint32: | |
| 4571 case TOKuns32: | |
| 4572 case TOKint64: | |
| 4573 case TOKuns64: | |
| 4574 case TOKfloat32: | |
| 4575 case TOKfloat64: | |
| 4576 case TOKfloat80: | |
| 4577 case TOKimaginary32: | |
| 4578 case TOKimaginary64: | |
| 4579 case TOKimaginary80: | |
| 4580 case TOKcomplex32: | |
| 4581 case TOKcomplex64: | |
| 4582 case TOKcomplex80: | |
| 4583 case TOKvoid: | |
| 4584 t = peek(t); | |
| 4585 break; | |
| 4586 | |
| 4587 case TOK.TOKidentifier: | |
| 4588 L5: | |
| 4589 t = peek(t); | |
| 4590 if (t.value == TOK.TOKnot) | |
| 4591 { | |
| 4592 goto L4; | |
| 4593 } | |
| 4594 goto L3; | |
| 4595 while (1) | |
| 4596 { | |
| 4597 L2: | |
| 4598 t = peek(t); | |
| 4599 L3: | |
| 4600 if (t.value == TOK.TOKdot) | |
| 4601 { | |
| 4602 Ldot: | |
| 4603 t = peek(t); | |
| 4604 if (t.value != TOK.TOKidentifier) | |
| 4605 goto Lfalse; | |
| 4606 t = peek(t); | |
| 4607 if (t.value != TOK.TOKnot) | |
| 4608 goto L3; | |
| 4609 L4: | |
| 4610 /* Seen a ! | |
| 4611 * Look for: | |
| 4612 * !( args ), !identifier, etc. | |
| 4613 */ | |
| 4614 t = peek(t); | |
| 4615 switch (t.value) | |
| 4616 { case TOK.TOKidentifier: | |
| 4617 goto L5; | |
| 4618 case TOK.TOKlparen: | |
| 4619 if (!skipParens(t, &t)) | |
| 4620 goto Lfalse; | |
| 4621 break; | |
| 4622 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4623 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4624 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4625 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4626 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4627 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4628 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4629 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4630 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4631 case TOK.TOKvoid: | |
| 4632 case TOK.TOKint32v: | |
| 4633 case TOK.TOKuns32v: | |
| 4634 case TOK.TOKint64v: | |
| 4635 case TOK.TOKuns64v: | |
| 4636 case TOK.TOKfloat32v: | |
| 4637 case TOK.TOKfloat64v: | |
| 4638 case TOK.TOKfloat80v: | |
| 4639 case TOK.TOKimaginary32v: | |
| 4640 case TOK.TOKimaginary64v: | |
| 4641 case TOK.TOKimaginary80v: | |
| 4642 case TOK.TOKnull: | |
| 4643 case TOK.TOKtrue: | |
| 4644 case TOK.TOKfalse: | |
| 4645 case TOK.TOKcharv: | |
| 4646 case TOK.TOKwcharv: | |
| 4647 case TOK.TOKdcharv: | |
| 4648 case TOK.TOKstring: | |
| 4649 case TOK.TOKfile: | |
| 4650 case TOK.TOKline: | |
| 4651 goto L2; | |
| 4652 default: | |
| 4653 goto Lfalse; | |
| 4654 } | |
| 4655 } | |
| 4656 else | |
| 4657 break; | |
| 4658 } | |
| 4659 break; | |
| 4660 | |
| 4661 case TOK.TOKdot: | |
| 4662 goto Ldot; | |
| 4663 | |
| 4664 case TOK.TOKtypeof: | |
| 4665 /* typeof(exp).identifier... | |
| 4666 */ | |
| 4667 t = peek(t); | |
| 4668 if (t.value != TOK.TOKlparen) | |
| 4669 goto Lfalse; | |
| 4670 if (!skipParens(t, &t)) | |
| 4671 goto Lfalse; | |
| 4672 goto L2; | |
| 4673 | |
| 4674 case TOK.TOKconst: | |
| 4675 case TOK.TOKinvariant: | |
| 4676 case TOK.TOKimmutable: | |
| 4677 case TOK.TOKshared: | |
| 135 | 4678 case TOKwild: |
| 4679 // const(type) or immutable(type) or shared(type) or wild(type) | |
| 0 | 4680 t = peek(t); |
| 4681 if (t.value != TOK.TOKlparen) | |
| 4682 goto Lfalse; | |
| 4683 t = peek(t); | |
| 4684 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4685 { | |
| 4686 goto Lfalse; | |
| 4687 } | |
| 4688 t = peek(t); | |
| 4689 break; | |
| 4690 | |
| 4691 default: | |
| 4692 goto Lfalse; | |
| 4693 } | |
| 4694 *pt = t; | |
| 4695 //printf("is\n"); | |
| 4696 return true; | |
| 4697 | |
| 4698 Lfalse: | |
| 4699 //printf("is not\n"); | |
| 4700 return false; | |
| 4701 } | |
| 4702 | |
| 4703 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4704 { | |
| 4705 // This code parallels parseDeclarator() | |
| 4706 Token* t = *pt; | |
| 4707 bool parens; | |
| 4708 | |
| 4709 //printf("Parser.isDeclarator()\n"); | |
| 4710 //t.print(); | |
| 4711 if (t.value == TOK.TOKassign) | |
| 4712 return false; | |
| 4713 | |
| 4714 while (true) | |
| 4715 { | |
| 4716 parens = false; | |
| 4717 switch (t.value) | |
| 4718 { | |
| 4719 case TOK.TOKmul: | |
| 4720 //case TOKand: | |
| 4721 t = peek(t); | |
| 4722 continue; | |
| 4723 | |
| 4724 case TOK.TOKlbracket: | |
| 4725 t = peek(t); | |
| 4726 if (t.value == TOK.TOKrbracket) | |
| 4727 { | |
| 4728 t = peek(t); | |
| 4729 } | |
| 79 | 4730 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4731 { | |
| 4732 t = peek(t); | |
| 4733 t = peek(t); | |
| 4734 } | |
| 0 | 4735 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4736 { | |
| 4737 // It's an associative array declaration | |
| 4738 t = peek(t); | |
| 4739 } | |
| 4740 else | |
| 4741 { | |
| 4742 // [ expression ] | |
| 4743 // [ expression .. expression ] | |
| 4744 if (!isExpression(&t)) | |
| 4745 return false; | |
| 4746 if (t.value == TOK.TOKslice) | |
| 4747 { | |
| 4748 t = peek(t); | |
| 4749 if (!isExpression(&t)) | |
| 4750 return false; | |
| 4751 } | |
| 4752 if (t.value != TOK.TOKrbracket) | |
| 4753 return false; | |
| 4754 t = peek(t); | |
| 4755 } | |
| 4756 continue; | |
| 4757 | |
| 4758 case TOK.TOKidentifier: | |
| 4759 if (*haveId) | |
| 4760 return false; | |
| 4761 *haveId = true; | |
| 4762 t = peek(t); | |
| 4763 break; | |
| 4764 | |
| 4765 case TOK.TOKlparen: | |
| 4766 t = peek(t); | |
| 4767 | |
| 4768 if (t.value == TOK.TOKrparen) | |
| 4769 return false; // () is not a declarator | |
| 4770 | |
| 4771 /* Regard ( identifier ) as not a declarator | |
| 4772 * BUG: what about ( *identifier ) in | |
| 4773 * f(*p)(x); | |
| 4774 * where f is a class instance with overloaded () ? | |
| 4775 * Should we just disallow C-style function pointer declarations? | |
| 4776 */ | |
| 4777 if (t.value == TOK.TOKidentifier) | |
| 4778 { | |
| 4779 Token *t2 = peek(t); | |
| 4780 if (t2.value == TOK.TOKrparen) | |
| 4781 return false; | |
| 4782 } | |
| 4783 | |
| 4784 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4785 return false; | |
| 4786 t = peek(t); | |
| 4787 parens = true; | |
| 4788 break; | |
| 4789 | |
| 4790 case TOK.TOKdelegate: | |
| 4791 case TOK.TOKfunction: | |
| 4792 t = peek(t); | |
| 4793 if (!isParameters(&t)) | |
| 4794 return false; | |
| 4795 continue; | |
| 4796 default: | |
| 4797 break; /// | |
| 4798 } | |
| 4799 break; | |
| 4800 } | |
| 4801 | |
| 4802 while (1) | |
| 4803 { | |
| 4804 switch (t.value) | |
| 4805 { | |
| 4806 version (CARRAYDECL) { | |
| 4807 case TOK.TOKlbracket: | |
| 4808 parens = false; | |
| 4809 t = peek(t); | |
| 4810 if (t.value == TOK.TOKrbracket) | |
| 4811 { | |
| 4812 t = peek(t); | |
| 4813 } | |
| 4814 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4815 { | |
| 4816 // It's an associative array declaration | |
| 4817 t = peek(t); | |
| 4818 } | |
| 4819 else | |
| 4820 { | |
| 4821 // [ expression ] | |
| 4822 if (!isExpression(&t)) | |
| 4823 return false; | |
| 4824 if (t.value != TOK.TOKrbracket) | |
| 4825 return false; | |
| 4826 t = peek(t); | |
| 4827 } | |
| 4828 continue; | |
| 4829 } | |
| 4830 | |
| 4831 case TOK.TOKlparen: | |
| 4832 parens = false; | |
| 4833 if (!isParameters(&t)) | |
| 4834 return false; | |
| 4835 version (DMDV2) { | |
| 4836 while (true) | |
| 4837 { | |
| 4838 switch (t.value) | |
| 4839 { | |
| 4840 case TOK.TOKconst: | |
| 4841 case TOK.TOKinvariant: | |
| 4842 case TOK.TOKimmutable: | |
| 4843 case TOK.TOKshared: | |
| 135 | 4844 case TOKwild: |
| 0 | 4845 case TOK.TOKpure: |
| 4846 case TOK.TOKnothrow: | |
| 4847 t = peek(t); | |
| 4848 continue; | |
| 4849 case TOK.TOKat: | |
| 4850 t = peek(t); // skip '@' | |
| 4851 t = peek(t); // skip identifier | |
| 4852 continue; | |
| 4853 default: | |
| 4854 break; | |
| 4855 } | |
| 4856 break; | |
| 4857 } | |
| 4858 } | |
| 4859 continue; | |
| 4860 | |
| 4861 // Valid tokens that follow a declaration | |
| 4862 case TOK.TOKrparen: | |
| 4863 case TOK.TOKrbracket: | |
| 4864 case TOK.TOKassign: | |
| 4865 case TOK.TOKcomma: | |
| 4866 case TOK.TOKsemicolon: | |
| 4867 case TOK.TOKlcurly: | |
| 4868 case TOK.TOKin: | |
| 4869 // The !parens is to disallow unnecessary parentheses | |
| 4870 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4871 { | |
| 4872 *pt = t; | |
| 4873 return true; | |
| 4874 } | |
| 4875 return false; | |
| 4876 | |
| 4877 default: | |
| 4878 return false; | |
| 4879 } | |
| 4880 } | |
| 4881 } | |
| 4882 | |
| 4883 bool isParameters(Token** pt) | |
| 4884 { | |
| 4885 // This code parallels parseParameters() | |
| 4886 Token* t = *pt; | |
| 4887 | |
| 4888 //printf("isParameters()\n"); | |
| 4889 if (t.value != TOKlparen) | |
| 4890 return false; | |
| 4891 | |
| 4892 t = peek(t); | |
| 4893 for (;1; t = peek(t)) | |
| 4894 { | |
| 4895 L1: | |
| 4896 switch (t.value) | |
| 4897 { | |
| 4898 case TOKrparen: | |
| 4899 break; | |
| 4900 | |
| 4901 case TOKdotdotdot: | |
| 4902 t = peek(t); | |
| 4903 break; | |
| 4904 | |
| 135 | 4905 version(D1INOUT) { |
| 4906 case TOKinout: | |
| 4907 } | |
| 0 | 4908 case TOKin: |
| 4909 case TOKout: | |
| 4910 case TOKref: | |
| 4911 case TOKlazy: | |
| 4912 case TOKfinal: | |
| 135 | 4913 case TOKauto: |
| 0 | 4914 continue; |
| 4915 | |
| 4916 case TOKconst: | |
| 4917 case TOKinvariant: | |
| 4918 case TOKimmutable: | |
| 4919 case TOKshared: | |
| 135 | 4920 case TOKwild: |
| 0 | 4921 t = peek(t); |
| 4922 if (t.value == TOKlparen) | |
| 4923 { | |
| 4924 t = peek(t); | |
| 4925 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4926 return false; | |
| 4927 t = peek(t); // skip past closing ')' | |
| 4928 goto L2; | |
| 4929 } | |
| 4930 goto L1; | |
| 4931 | |
| 4932 static if (false) { | |
| 4933 case TOKstatic: | |
| 4934 continue; | |
| 4935 case TOKauto: | |
| 4936 case TOKalias: | |
| 4937 t = peek(t); | |
| 4938 if (t.value == TOKidentifier) | |
| 4939 t = peek(t); | |
| 4940 if (t.value == TOKassign) | |
| 4941 { t = peek(t); | |
| 4942 if (!isExpression(&t)) | |
| 4943 return false; | |
| 4944 } | |
| 4945 goto L3; | |
| 4946 } | |
| 4947 | |
| 4948 default: | |
| 4949 { | |
| 4950 if (!isBasicType(&t)) | |
| 4951 return false; | |
| 4952 L2: | |
| 4953 int tmp = false; | |
| 4954 if (t.value != TOKdotdotdot && | |
| 4955 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4956 return false; | |
| 4957 if (t.value == TOKassign) | |
| 4958 { | |
| 4959 t = peek(t); | |
| 4960 if (!isExpression(&t)) | |
| 4961 return false; | |
| 4962 } | |
| 4963 if (t.value == TOKdotdotdot) | |
| 4964 { | |
| 4965 t = peek(t); | |
| 4966 break; | |
| 4967 } | |
| 4968 } | |
| 4969 L3: | |
| 4970 if (t.value == TOKcomma) | |
| 4971 { | |
| 4972 continue; | |
| 4973 } | |
| 4974 break; | |
| 4975 } | |
| 4976 break; | |
| 4977 } | |
| 4978 | |
| 4979 if (t.value != TOKrparen) | |
| 4980 return false; | |
| 4981 | |
| 4982 t = peek(t); | |
| 4983 *pt = t; | |
| 4984 return true; | |
| 4985 } | |
| 4986 | |
| 4987 bool isExpression(Token** pt) | |
| 4988 { | |
| 4989 // This is supposed to determine if something is an expression. | |
| 4990 // What it actually does is scan until a closing right bracket | |
| 4991 // is found. | |
| 4992 | |
| 4993 Token* t = *pt; | |
| 4994 int brnest = 0; | |
| 4995 int panest = 0; | |
| 4996 int curlynest = 0; | |
| 4997 | |
| 4998 for (;; t = peek(t)) | |
| 4999 { | |
| 5000 switch (t.value) | |
| 5001 { | |
| 5002 case TOKlbracket: | |
| 5003 brnest++; | |
| 5004 continue; | |
| 5005 | |
| 5006 case TOKrbracket: | |
| 5007 if (--brnest >= 0) | |
| 5008 continue; | |
| 5009 break; | |
| 5010 | |
| 5011 case TOKlparen: | |
| 5012 panest++; | |
| 5013 continue; | |
| 5014 | |
| 5015 case TOKcomma: | |
| 5016 if (brnest || panest) | |
| 5017 continue; | |
| 5018 break; | |
| 5019 | |
| 5020 case TOKrparen: | |
| 5021 if (--panest >= 0) | |
| 5022 continue; | |
| 5023 break; | |
| 5024 | |
| 5025 case TOKlcurly: | |
| 5026 curlynest++; | |
| 5027 continue; | |
| 5028 | |
| 5029 case TOKrcurly: | |
| 5030 if (--curlynest >= 0) | |
| 5031 continue; | |
| 5032 return false; | |
| 5033 | |
| 5034 case TOKslice: | |
| 5035 if (brnest) | |
| 5036 continue; | |
| 5037 break; | |
| 5038 | |
| 5039 case TOKsemicolon: | |
| 5040 if (curlynest) | |
| 5041 continue; | |
| 5042 return false; | |
| 5043 | |
| 5044 case TOKeof: | |
| 5045 return false; | |
| 5046 | |
| 5047 default: | |
| 5048 continue; | |
| 5049 } | |
| 5050 break; | |
| 5051 } | |
| 5052 | |
| 5053 *pt = t; | |
| 5054 return true; | |
| 5055 } | |
| 5056 | |
| 5057 int isTemplateInstance(Token t, Token* pt) | |
| 5058 { | |
| 5059 assert(false); | |
| 5060 } | |
| 5061 | |
| 5062 /******************************************* | |
| 5063 * Skip parens, brackets. | |
| 5064 * Input: | |
| 5065 * t is on opening ( | |
| 5066 * Output: | |
| 5067 * *pt is set to closing token, which is ')' on success | |
| 5068 * Returns: | |
| 5069 * !=0 successful | |
| 5070 * 0 some parsing error | |
| 5071 */ | |
| 5072 bool skipParens(Token* t, Token** pt) | |
| 5073 { | |
| 5074 int parens = 0; | |
| 5075 | |
| 5076 while (1) | |
| 5077 { | |
| 5078 switch (t.value) | |
| 5079 { | |
| 5080 case TOKlparen: | |
| 5081 parens++; | |
| 5082 break; | |
| 5083 | |
| 5084 case TOKrparen: | |
| 5085 parens--; | |
| 5086 if (parens < 0) | |
| 5087 goto Lfalse; | |
| 5088 if (parens == 0) | |
| 5089 goto Ldone; | |
| 5090 break; | |
| 5091 | |
| 5092 case TOKeof: | |
| 5093 case TOKsemicolon: | |
| 5094 goto Lfalse; | |
| 5095 | |
| 5096 default: | |
| 5097 break; | |
| 5098 } | |
| 5099 t = peek(t); | |
| 5100 } | |
| 5101 | |
| 5102 Ldone: | |
| 5103 if (*pt) | |
| 5104 *pt = t; | |
| 5105 return true; | |
| 5106 | |
| 5107 Lfalse: | |
| 5108 return false; | |
| 5109 } | |
| 5110 | |
| 5111 Expression parseExpression() | |
| 5112 { | |
| 5113 Expression e; | |
| 5114 Expression e2; | |
| 5115 Loc loc = this.loc; | |
| 5116 | |
| 5117 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 5118 e = parseAssignExp(); | |
| 5119 while (token.value == TOK.TOKcomma) | |
| 5120 { | |
| 5121 nextToken(); | |
| 5122 e2 = parseAssignExp(); | |
| 5123 e = new CommaExp(loc, e, e2); | |
| 5124 loc = this.loc; | |
| 5125 } | |
| 5126 return e; | |
| 5127 } | |
| 5128 | |
| 5129 Expression parsePrimaryExp() | |
| 5130 { | |
| 5131 Expression e; | |
| 5132 Type t; | |
| 5133 Identifier id; | |
| 5134 TOK save; | |
| 5135 Loc loc = this.loc; | |
| 5136 | |
| 5137 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 5138 switch (token.value) | |
| 5139 { | |
| 5140 case TOK.TOKidentifier: | |
| 5141 id = token.ident; | |
| 5142 nextToken(); | |
| 5143 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5144 { // identifier!(template-argument-list) | |
| 5145 TemplateInstance tempinst; | |
| 5146 | |
| 5147 tempinst = new TemplateInstance(loc, id); | |
| 5148 nextToken(); | |
| 5149 if (token.value == TOK.TOKlparen) | |
| 5150 // ident!(template_arguments) | |
| 5151 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5152 else | |
| 5153 // ident!template_argument | |
| 5154 tempinst.tiargs = parseTemplateArgument(); | |
| 5155 e = new ScopeExp(loc, tempinst); | |
| 5156 } | |
| 5157 else | |
| 5158 e = new IdentifierExp(loc, id); | |
| 5159 break; | |
| 5160 | |
| 5161 case TOK.TOKdollar: | |
| 5162 if (!inBrackets) | |
| 5163 error("'$' is valid only inside [] of index or slice"); | |
| 5164 e = new DollarExp(loc); | |
| 5165 nextToken(); | |
| 5166 break; | |
| 5167 | |
| 5168 case TOK.TOKdot: | |
| 5169 // Signal global scope '.' operator with "" identifier | |
| 5170 e = new IdentifierExp(loc, Id.empty); | |
| 5171 break; | |
| 5172 | |
| 5173 case TOK.TOKthis: | |
| 5174 e = new ThisExp(loc); | |
| 5175 nextToken(); | |
| 5176 break; | |
| 5177 | |
| 5178 case TOK.TOKsuper: | |
| 5179 e = new SuperExp(loc); | |
| 5180 nextToken(); | |
| 5181 break; | |
| 5182 | |
| 5183 case TOK.TOKint32v: | |
| 5184 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 5185 nextToken(); | |
| 5186 break; | |
| 5187 | |
| 5188 case TOK.TOKuns32v: | |
| 5189 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 5190 nextToken(); | |
| 5191 break; | |
| 5192 | |
| 5193 case TOK.TOKint64v: | |
| 5194 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 5195 nextToken(); | |
| 5196 break; | |
| 5197 | |
| 5198 case TOK.TOKuns64v: | |
| 5199 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 5200 nextToken(); | |
| 5201 break; | |
| 5202 | |
| 5203 case TOK.TOKfloat32v: | |
| 5204 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 5205 nextToken(); | |
| 5206 break; | |
| 5207 | |
| 5208 case TOK.TOKfloat64v: | |
| 5209 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 5210 nextToken(); | |
| 5211 break; | |
| 5212 | |
| 5213 case TOK.TOKfloat80v: | |
| 5214 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 5215 nextToken(); | |
| 5216 break; | |
| 5217 | |
| 5218 case TOK.TOKimaginary32v: | |
| 5219 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5220 nextToken(); | |
| 5221 break; | |
| 5222 | |
| 5223 case TOK.TOKimaginary64v: | |
| 5224 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5225 nextToken(); | |
| 5226 break; | |
| 5227 | |
| 5228 case TOK.TOKimaginary80v: | |
| 5229 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5230 nextToken(); | |
| 5231 break; | |
| 5232 | |
| 5233 case TOK.TOKnull: | |
| 5234 e = new NullExp(loc); | |
| 5235 nextToken(); | |
| 5236 break; | |
| 5237 | |
| 5238 version (DMDV2) { | |
| 5239 case TOK.TOKfile: | |
| 5240 { | |
| 5241 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5242 e = new StringExp(loc, s, 0); | |
| 5243 nextToken(); | |
| 5244 break; | |
| 5245 } | |
| 5246 | |
| 5247 case TOK.TOKline: | |
| 5248 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5249 nextToken(); | |
| 5250 break; | |
| 5251 } | |
| 5252 | |
| 5253 case TOK.TOKtrue: | |
| 5254 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5255 nextToken(); | |
| 5256 break; | |
| 5257 | |
| 5258 case TOK.TOKfalse: | |
| 5259 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5260 nextToken(); | |
| 5261 break; | |
| 5262 | |
| 5263 case TOK.TOKcharv: | |
| 5264 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5265 nextToken(); | |
| 5266 break; | |
| 5267 | |
| 5268 case TOK.TOKwcharv: | |
| 5269 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5270 nextToken(); | |
| 5271 break; | |
| 5272 | |
| 5273 case TOK.TOKdcharv: | |
| 5274 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5275 nextToken(); | |
| 5276 break; | |
| 5277 | |
| 5278 case TOK.TOKstring: | |
| 5279 { | |
| 5280 const(char)* s; | |
| 5281 uint len; | |
| 5282 ubyte postfix; | |
| 5283 | |
| 5284 // cat adjacent strings | |
| 5285 s = token.ustring; | |
| 5286 len = token.len; | |
| 5287 postfix = token.postfix; | |
| 5288 while (1) | |
| 5289 { | |
| 5290 nextToken(); | |
| 5291 if (token.value == TOK.TOKstring) | |
| 5292 { uint len1; | |
| 5293 uint len2; | |
| 5294 char* s2; | |
| 5295 | |
| 5296 if (token.postfix) | |
| 5297 { if (token.postfix != postfix) | |
| 5298 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5299 postfix = token.postfix; | |
| 5300 } | |
| 5301 | |
| 5302 len1 = len; | |
| 5303 len2 = token.len; | |
| 5304 len = len1 + len2; | |
| 2 | 5305 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5306 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5307 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5308 s = s2; | |
| 5309 } | |
| 5310 else | |
| 5311 break; | |
| 5312 } | |
| 5313 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5314 break; | |
| 5315 } | |
| 5316 | |
| 5317 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5318 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5319 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5320 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5321 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5322 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5323 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5324 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5325 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5326 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5327 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5328 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5329 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5330 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5331 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5332 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5333 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5334 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5335 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5336 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5337 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5338 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5339 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5340 LabelX: | |
| 5341 nextToken(); | |
| 5342 L1: | |
| 5343 check(TOK.TOKdot, t.toChars()); | |
| 5344 if (token.value != TOK.TOKidentifier) | |
| 5345 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5346 goto Lerr; | |
| 5347 } | |
| 5348 e = typeDotIdExp(loc, t, token.ident); | |
| 5349 nextToken(); | |
| 5350 break; | |
| 5351 | |
| 5352 case TOK.TOKtypeof: | |
| 5353 { | |
| 5354 t = parseTypeof(); | |
| 5355 e = new TypeExp(loc, t); | |
| 5356 break; | |
| 5357 } | |
| 5358 | |
| 5359 case TOK.TOKtypeid: | |
|
130
60bb0fe4563e
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5360 { |
| 0 | 5361 nextToken(); |
| 5362 check(TOK.TOKlparen, "typeid"); | |
|
130
60bb0fe4563e
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5363 Object o; |
|
131
206db751bd4c
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5364 if (isDeclaration(&token, 0, TOKreserved, null)) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5365 { // argument is a type |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5366 o = parseType(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5367 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5368 else |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5369 { // argument is an expression |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5370 o = parseAssignExp(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5371 } |
| 0 | 5372 check(TOK.TOKrparen); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5373 e = new TypeidExp(loc, o); |
| 0 | 5374 break; |
| 5375 } | |
| 5376 | |
| 5377 version (DMDV2) { | |
| 5378 case TOK.TOKtraits: | |
| 5379 { /* __traits(identifier, args...) | |
| 5380 */ | |
| 5381 Identifier ident; | |
| 5382 Objects args = null; | |
| 5383 | |
| 5384 nextToken(); | |
| 5385 check(TOK.TOKlparen); | |
| 5386 if (token.value != TOK.TOKidentifier) | |
| 5387 { error("__traits(identifier, args...) expected"); | |
| 5388 goto Lerr; | |
| 5389 } | |
| 5390 ident = token.ident; | |
| 5391 nextToken(); | |
| 5392 if (token.value == TOK.TOKcomma) | |
| 5393 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5394 else | |
| 5395 check(TOK.TOKrparen); // __traits(identifier) | |
| 5396 | |
| 5397 e = new TraitsExp(loc, ident, args); | |
| 5398 break; | |
| 5399 } | |
| 5400 } | |
| 5401 | |
| 5402 case TOK.TOKis: | |
| 5403 { Type targ; | |
| 5404 Identifier ident = null; | |
| 5405 Type tspec = null; | |
| 5406 TOK tok = TOK.TOKreserved; | |
| 5407 TOK tok2 = TOK.TOKreserved; | |
| 5408 TemplateParameters tpl = null; | |
| 5409 Loc loc2 = this.loc; | |
| 5410 | |
| 5411 nextToken(); | |
| 5412 if (token.value == TOK.TOKlparen) | |
| 5413 { | |
| 5414 nextToken(); | |
| 5415 targ = parseType(&ident); | |
| 5416 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5417 { | |
| 5418 tok = token.value; | |
| 5419 nextToken(); | |
| 5420 if (tok == TOK.TOKequal && | |
| 5421 (token.value == TOK.TOKtypedef || | |
| 5422 token.value == TOK.TOKstruct || | |
| 5423 token.value == TOK.TOKunion || | |
| 5424 token.value == TOK.TOKclass || | |
| 5425 token.value == TOK.TOKsuper || | |
| 5426 token.value == TOK.TOKenum || | |
| 5427 token.value == TOK.TOKinterface || | |
| 5428 ///version (DMDV2) { | |
| 5429 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5430 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5431 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5432 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 135 | 5433 token.value == TOKwild && peek(&token).value == TOKrparen || |
| 0 | 5434 ///} |
| 5435 token.value == TOK.TOKfunction || | |
| 5436 token.value == TOK.TOKdelegate || | |
| 5437 token.value == TOK.TOKreturn)) | |
| 5438 { | |
| 5439 tok2 = token.value; | |
| 5440 nextToken(); | |
| 5441 } | |
| 5442 else | |
| 5443 { | |
| 5444 tspec = parseType(); | |
| 5445 } | |
| 5446 } | |
| 5447 if (ident && tspec) | |
| 5448 { | |
| 5449 if (token.value == TOK.TOKcomma) | |
| 5450 tpl = parseTemplateParameterList(1); | |
| 5451 else | |
| 5452 { tpl = new TemplateParameters(); | |
| 5453 check(TOK.TOKrparen); | |
| 5454 } | |
| 5455 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
5456 tpl.insert(0, tp); |
| 0 | 5457 } |
| 5458 else | |
| 5459 check(TOK.TOKrparen); | |
| 5460 } | |
| 5461 else | |
| 5462 { error("(type identifier : specialization) expected following is"); | |
| 5463 goto Lerr; | |
| 5464 } | |
| 5465 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5466 break; | |
| 5467 } | |
| 5468 | |
| 5469 case TOK.TOKassert: | |
| 5470 { | |
| 5471 Expression msg = null; | |
| 5472 | |
| 5473 nextToken(); | |
| 5474 check(TOK.TOKlparen, "assert"); | |
| 5475 e = parseAssignExp(); | |
| 5476 if (token.value == TOK.TOKcomma) | |
| 5477 { nextToken(); | |
| 5478 msg = parseAssignExp(); | |
| 5479 } | |
| 5480 check(TOK.TOKrparen); | |
| 5481 e = new AssertExp(loc, e, msg); | |
| 5482 break; | |
| 5483 } | |
| 5484 | |
| 5485 case TOK.TOKmixin: | |
| 5486 { | |
| 5487 nextToken(); | |
| 5488 check(TOK.TOKlparen, "mixin"); | |
| 5489 e = parseAssignExp(); | |
| 5490 check(TOK.TOKrparen); | |
| 5491 e = new CompileExp(loc, e); | |
| 5492 break; | |
| 5493 } | |
| 5494 | |
| 5495 case TOK.TOKimport: | |
| 5496 { | |
| 5497 nextToken(); | |
| 5498 check(TOK.TOKlparen, "import"); | |
| 5499 e = parseAssignExp(); | |
| 5500 check(TOK.TOKrparen); | |
| 5501 e = new FileExp(loc, e); | |
| 5502 break; | |
| 5503 } | |
| 5504 | |
| 5505 case TOK.TOKlparen: | |
| 5506 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5507 { // (arguments) { statements... } | |
| 5508 save = TOK.TOKdelegate; | |
| 5509 goto case_delegate; | |
| 5510 } | |
| 5511 // ( expression ) | |
| 5512 nextToken(); | |
| 5513 e = parseExpression(); | |
| 5514 check(loc, TOK.TOKrparen); | |
| 5515 break; | |
| 5516 | |
| 5517 case TOK.TOKlbracket: | |
| 5518 { /* Parse array literals and associative array literals: | |
| 5519 * [ value, value, value ... ] | |
| 5520 * [ key:value, key:value, key:value ... ] | |
| 5521 */ | |
| 5522 Expressions values = new Expressions(); | |
| 5523 Expressions keys = null; | |
| 5524 | |
| 5525 nextToken(); | |
| 5526 if (token.value != TOK.TOKrbracket) | |
| 5527 { | |
| 5528 while (token.value != TOK.TOKeof) | |
| 5529 { | |
| 5530 Expression e2 = parseAssignExp(); | |
| 5531 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5532 { | |
| 5533 nextToken(); | |
| 5534 if (!keys) | |
| 5535 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5536 keys.push(e2); |
| 0 | 5537 e2 = parseAssignExp(); |
| 5538 } | |
| 5539 else if (keys) | |
| 5540 { | |
| 5541 error("'key:value' expected for associative array literal"); | |
| 5542 delete keys; | |
| 5543 keys = null; | |
| 5544 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5545 values.push(e2); |
| 0 | 5546 if (token.value == TOK.TOKrbracket) |
| 5547 break; | |
| 5548 check(TOK.TOKcomma); | |
| 5549 } | |
| 5550 } | |
| 5551 check(TOK.TOKrbracket); | |
| 5552 | |
| 5553 if (keys) | |
| 5554 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5555 else | |
| 5556 e = new ArrayLiteralExp(loc, values); | |
| 5557 break; | |
| 5558 } | |
| 5559 | |
| 5560 case TOK.TOKlcurly: | |
| 5561 // { statements... } | |
| 5562 save = TOK.TOKdelegate; | |
| 5563 goto case_delegate; | |
| 5564 | |
| 5565 case TOK.TOKfunction: | |
| 5566 case TOK.TOKdelegate: | |
| 5567 save = token.value; | |
| 5568 nextToken(); | |
| 5569 case_delegate: | |
| 5570 { | |
| 5571 /* function type(parameters) { body } pure nothrow | |
| 5572 * delegate type(parameters) { body } pure nothrow | |
| 5573 * (parameters) { body } | |
| 5574 * { body } | |
| 5575 */ | |
|
130
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5576 Parameters arguments; |
| 0 | 5577 int varargs; |
| 5578 FuncLiteralDeclaration fd; | |
| 5579 Type tt; | |
| 5580 bool isnothrow = false; | |
| 5581 bool ispure = false; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5582 bool isproperty = false; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5583 TRUST trust = TRUSTdefault; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5584 |
| 0 | 5585 if (token.value == TOK.TOKlcurly) |
| 5586 { | |
| 5587 tt = null; | |
| 5588 varargs = 0; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5589 arguments = new Parameters(); |
| 0 | 5590 } |
| 5591 else | |
| 5592 { | |
| 5593 if (token.value == TOK.TOKlparen) | |
| 5594 tt = null; | |
| 5595 else | |
| 5596 { | |
| 5597 tt = parseBasicType(); | |
| 5598 tt = parseBasicType2(tt); // function return type | |
| 5599 } | |
| 5600 arguments = parseParameters(&varargs); | |
| 5601 while (1) | |
| 5602 { | |
| 5603 if (token.value == TOK.TOKpure) | |
| 5604 ispure = true; | |
| 5605 else if (token.value == TOK.TOKnothrow) | |
| 5606 isnothrow = true; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5607 else if (token.value == TOKat) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5608 { |
|
131
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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130
diff
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|
5609 StorageClass stc = parseAttribute(); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5610 switch (cast(uint)(stc >> 32)) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5611 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5612 case STCproperty >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5613 isproperty = true; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
5614 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5615 case STCsafe >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5616 trust = TRUSTsafe; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5617 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5618 case STCsystem >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5619 trust = TRUSTsystem; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5620 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5621 case STCtrusted >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5622 trust = TRUSTtrusted; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5623 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5624 case 0: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5625 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5626 default: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5627 assert(0); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5628 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5629 } |
| 0 | 5630 else |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5631 break; |
| 0 | 5632 nextToken(); |
| 5633 } | |
| 5634 } | |
| 5635 | |
| 5636 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5637 tf.ispure = ispure; | |
| 5638 tf.isnothrow = isnothrow; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5639 tf.isproperty = isproperty; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5640 tf.trust = trust; |
| 0 | 5641 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); |
| 5642 parseContracts(fd); | |
| 5643 e = new FuncExp(loc, fd); | |
| 5644 break; | |
| 5645 } | |
| 5646 | |
| 5647 default: | |
| 5648 error("expression expected, not '%s'", token.toChars()); | |
| 5649 Lerr: | |
| 5650 // Anything for e, as long as it's not null | |
| 5651 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5652 nextToken(); | |
| 5653 break; | |
| 5654 } | |
| 5655 return e; | |
| 5656 } | |
| 5657 | |
| 5658 Expression parseUnaryExp() | |
| 5659 { | |
| 5660 Expression e; | |
| 5661 Loc loc = this.loc; | |
| 5662 | |
| 5663 switch (token.value) | |
| 5664 { | |
| 5665 case TOK.TOKand: | |
| 5666 nextToken(); | |
| 5667 e = parseUnaryExp(); | |
| 5668 e = new AddrExp(loc, e); | |
| 5669 break; | |
| 5670 | |
| 5671 case TOK.TOKplusplus: | |
| 5672 nextToken(); | |
| 5673 e = parseUnaryExp(); | |
| 5674 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5675 break; | |
| 5676 | |
| 5677 case TOK.TOKminusminus: | |
| 5678 nextToken(); | |
| 5679 e = parseUnaryExp(); | |
| 5680 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5681 break; | |
| 5682 | |
| 5683 case TOK.TOKmul: | |
| 5684 nextToken(); | |
| 5685 e = parseUnaryExp(); | |
| 5686 e = new PtrExp(loc, e); | |
| 5687 break; | |
| 5688 | |
| 5689 case TOK.TOKmin: | |
| 5690 nextToken(); | |
| 5691 e = parseUnaryExp(); | |
| 5692 e = new NegExp(loc, e); | |
| 5693 break; | |
| 5694 | |
| 5695 case TOK.TOKadd: | |
| 5696 nextToken(); | |
| 5697 e = parseUnaryExp(); | |
| 5698 e = new UAddExp(loc, e); | |
| 5699 break; | |
| 5700 | |
| 5701 case TOK.TOKnot: | |
| 5702 nextToken(); | |
| 5703 e = parseUnaryExp(); | |
| 5704 e = new NotExp(loc, e); | |
| 5705 break; | |
| 5706 | |
| 5707 case TOK.TOKtilde: | |
| 5708 nextToken(); | |
| 5709 e = parseUnaryExp(); | |
| 5710 e = new ComExp(loc, e); | |
| 5711 break; | |
| 5712 | |
| 5713 case TOK.TOKdelete: | |
| 5714 nextToken(); | |
| 5715 e = parseUnaryExp(); | |
| 5716 e = new DeleteExp(loc, e); | |
| 5717 break; | |
| 5718 | |
| 5719 case TOK.TOKnew: | |
| 5720 e = parseNewExp(null); | |
| 5721 break; | |
| 5722 | |
| 5723 case TOK.TOKcast: // cast(type) expression | |
| 5724 { | |
| 5725 nextToken(); | |
| 5726 check(TOK.TOKlparen); | |
| 5727 /* Look for cast(), cast(const), cast(immutable), | |
| 135 | 5728 * cast(shared), cast(shared const), cast(wild), cast(shared wild) |
| 0 | 5729 */ |
| 5730 MOD m; | |
| 5731 if (token.value == TOK.TOKrparen) | |
| 5732 { | |
| 5733 m = MOD.MODundefined; | |
| 5734 goto Lmod1; | |
| 5735 } | |
| 5736 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5737 { | |
| 5738 m = MOD.MODconst; | |
| 5739 goto Lmod2; | |
| 5740 } | |
| 5741 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5742 { | |
| 135 | 5743 m = MOD.MODimmutable; |
| 0 | 5744 goto Lmod2; |
| 5745 } | |
| 5746 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5747 { | |
| 5748 m = MOD.MODshared; | |
| 5749 goto Lmod2; | |
| 5750 } | |
| 135 | 5751 else if (token.value == TOKwild && peekNext() == TOK.TOKrparen) |
| 5752 { | |
| 5753 m = MODwild; | |
| 5754 goto Lmod2; | |
| 5755 } | |
| 5756 else if (token.value == TOKwild && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5757 token.value == TOK.TOKshared && peekNext() == TOKwild && peekNext2() == TOK.TOKrparen) | |
| 5758 { | |
| 5759 m = MOD.MODshared | MOD.MODwild; | |
| 5760 goto Lmod3; | |
| 5761 } | |
| 0 | 5762 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || |
| 5763 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5764 { | |
| 5765 m = MOD.MODshared | MOD.MODconst; | |
| 135 | 5766 Lmod3: |
| 0 | 5767 nextToken(); |
| 5768 Lmod2: | |
| 5769 nextToken(); | |
| 5770 Lmod1: | |
| 5771 nextToken(); | |
| 5772 e = parseUnaryExp(); | |
| 5773 e = new CastExp(loc, e, m); | |
| 5774 } | |
| 5775 else | |
| 5776 { | |
| 5777 Type t = parseType(); // ( type ) | |
| 5778 check(TOK.TOKrparen); | |
| 5779 e = parseUnaryExp(); | |
| 5780 e = new CastExp(loc, e, t); | |
| 5781 } | |
| 5782 break; | |
| 5783 } | |
| 5784 | |
| 5785 case TOK.TOKlparen: | |
| 5786 { Token *tk; | |
| 5787 | |
| 5788 tk = peek(&token); | |
| 5789 version (CCASTSYNTAX) { | |
| 5790 // If cast | |
| 5791 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5792 { | |
| 5793 tk = peek(tk); // skip over right parenthesis | |
| 5794 switch (tk.value) | |
| 5795 { | |
| 5796 case TOK.TOKnot: | |
| 5797 tk = peek(tk); | |
| 5798 if (tk.value == TOK.TOKis) // !is | |
| 5799 break; | |
| 5800 case TOK.TOKdot: | |
| 5801 case TOK.TOKplusplus: | |
| 5802 case TOK.TOKminusminus: | |
| 5803 case TOK.TOKdelete: | |
| 5804 case TOK.TOKnew: | |
| 5805 case TOK.TOKlparen: | |
| 5806 case TOK.TOKidentifier: | |
| 5807 case TOK.TOKthis: | |
| 5808 case TOK.TOKsuper: | |
| 5809 case TOK.TOKint32v: | |
| 5810 case TOK.TOKuns32v: | |
| 5811 case TOK.TOKint64v: | |
| 5812 case TOK.TOKuns64v: | |
| 5813 case TOK.TOKfloat32v: | |
| 5814 case TOK.TOKfloat64v: | |
| 5815 case TOK.TOKfloat80v: | |
| 5816 case TOK.TOKimaginary32v: | |
| 5817 case TOK.TOKimaginary64v: | |
| 5818 case TOK.TOKimaginary80v: | |
| 5819 case TOK.TOKnull: | |
| 5820 case TOK.TOKtrue: | |
| 5821 case TOK.TOKfalse: | |
| 5822 case TOK.TOKcharv: | |
| 5823 case TOK.TOKwcharv: | |
| 5824 case TOK.TOKdcharv: | |
| 5825 case TOK.TOKstring: | |
| 5826 static if (false) { | |
| 5827 case TOK.TOKtilde: | |
| 5828 case TOK.TOKand: | |
| 5829 case TOK.TOKmul: | |
| 5830 case TOK.TOKmin: | |
| 5831 case TOK.TOKadd: | |
| 5832 } | |
| 5833 case TOK.TOKfunction: | |
| 5834 case TOK.TOKdelegate: | |
| 5835 case TOK.TOKtypeof: | |
| 5836 version (DMDV2) { | |
| 5837 case TOK.TOKfile: | |
| 5838 case TOK.TOKline: | |
| 5839 } | |
| 5840 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5841 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5842 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5843 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5844 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5845 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5846 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5847 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5848 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5849 case TOK.TOKvoid: // (type)int.size | |
| 5850 { | |
| 5851 // (type) una_exp | |
| 5852 nextToken(); | |
| 5853 Type t = parseType(); | |
| 5854 check(TOK.TOKrparen); | |
| 5855 | |
| 5856 // if .identifier | |
| 5857 if (token.value == TOK.TOKdot) | |
| 5858 { | |
| 5859 nextToken(); | |
| 5860 if (token.value != TOK.TOKidentifier) | |
| 5861 { | |
| 5862 error("Identifier expected following (type)."); | |
| 5863 return null; | |
| 5864 } | |
| 5865 e = typeDotIdExp(loc, t, token.ident); | |
| 5866 nextToken(); | |
| 5867 e = parsePostExp(e); | |
| 5868 } | |
| 5869 else | |
| 5870 { | |
| 5871 e = parseUnaryExp(); | |
| 5872 e = new CastExp(loc, e, t); | |
| 5873 error("C style cast illegal, use %s", e.toChars()); | |
| 5874 } | |
| 5875 return e; | |
| 5876 } | |
| 5877 | |
| 5878 default: | |
| 5879 break; /// | |
| 5880 } | |
| 5881 } | |
| 5882 } | |
| 5883 e = parsePrimaryExp(); | |
| 5884 e = parsePostExp(e); | |
| 5885 break; | |
| 5886 } | |
| 5887 default: | |
| 5888 e = parsePrimaryExp(); | |
| 5889 e = parsePostExp(e); | |
| 5890 break; | |
| 5891 } | |
| 5892 assert(e); | |
| 135 | 5893 |
| 5894 // ^^ is right associative and has higher precedence than the unary operators | |
| 5895 while (token.value == TOK.TOKpow) | |
| 5896 { | |
| 5897 nextToken(); | |
| 5898 Expression e2 = parseUnaryExp(); | |
| 5899 e = new PowExp(loc, e, e2); | |
| 5900 } | |
| 5901 | |
| 0 | 5902 return e; |
| 5903 } | |
| 5904 | |
| 5905 Expression parsePostExp(Expression e) | |
| 5906 { | |
| 5907 Loc loc; | |
| 5908 | |
| 5909 while (1) | |
| 5910 { | |
| 5911 loc = this.loc; | |
| 5912 switch (token.value) | |
| 5913 { | |
| 5914 case TOK.TOKdot: | |
| 5915 nextToken(); | |
| 5916 if (token.value == TOK.TOKidentifier) | |
| 5917 { Identifier id = token.ident; | |
| 5918 | |
| 5919 nextToken(); | |
| 5920 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5921 { // identifier!(template-argument-list) | |
| 5922 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
|
130
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5923 Objects tiargs; |
| 0 | 5924 nextToken(); |
| 5925 if (token.value == TOK.TOKlparen) | |
| 5926 // ident!(template_arguments) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5927 tiargs = parseTemplateArgumentList(); |
| 0 | 5928 else |
| 5929 // ident!template_argument | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5930 tiargs = parseTemplateArgument(); |
|
131
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5931 e = new DotTemplateInstanceExp(loc, e, id, tiargs); |
| 0 | 5932 } |
| 5933 else | |
| 5934 e = new DotIdExp(loc, e, id); | |
| 5935 continue; | |
| 5936 } | |
| 5937 else if (token.value == TOK.TOKnew) | |
| 5938 { | |
| 5939 e = parseNewExp(e); | |
| 5940 continue; | |
| 5941 } | |
| 5942 else | |
| 5943 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5944 break; | |
| 5945 | |
| 5946 case TOK.TOKplusplus: | |
| 5947 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5948 break; | |
| 5949 | |
| 5950 case TOK.TOKminusminus: | |
| 5951 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5952 break; | |
| 5953 | |
| 5954 case TOK.TOKlparen: | |
| 5955 e = new CallExp(loc, e, parseArguments()); | |
| 5956 continue; | |
| 5957 | |
| 5958 case TOK.TOKlbracket: | |
| 5959 { // array dereferences: | |
| 5960 // array[index] | |
| 5961 // array[] | |
| 5962 // array[lwr .. upr] | |
| 5963 Expression index; | |
| 5964 Expression upr; | |
| 5965 | |
| 5966 inBrackets++; | |
| 5967 nextToken(); | |
| 5968 if (token.value == TOK.TOKrbracket) | |
| 5969 { // array[] | |
| 5970 e = new SliceExp(loc, e, null, null); | |
| 5971 nextToken(); | |
| 5972 } | |
| 5973 else | |
| 5974 { | |
| 5975 index = parseAssignExp(); | |
| 5976 if (token.value == TOK.TOKslice) | |
| 5977 { // array[lwr .. upr] | |
| 5978 nextToken(); | |
| 5979 upr = parseAssignExp(); | |
| 5980 e = new SliceExp(loc, e, index, upr); | |
| 5981 } | |
| 5982 else | |
| 5983 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5984 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5985 arguments.push(index); |
| 0 | 5986 if (token.value == TOK.TOKcomma) |
| 5987 { | |
| 5988 nextToken(); | |
| 5989 while (1) | |
| 5990 { Expression arg; | |
| 5991 | |
| 5992 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5993 arguments.push(arg); |
| 0 | 5994 if (token.value == TOK.TOKrbracket) |
| 5995 break; | |
| 5996 check(TOK.TOKcomma); | |
| 5997 } | |
| 5998 } | |
| 5999 e = new ArrayExp(loc, e, arguments); | |
| 6000 } | |
| 6001 check(TOK.TOKrbracket); | |
| 6002 inBrackets--; | |
| 6003 } | |
| 6004 continue; | |
| 6005 } | |
| 6006 | |
| 6007 default: | |
| 6008 return e; | |
| 6009 } | |
| 6010 nextToken(); | |
| 6011 } | |
| 6012 | |
| 6013 assert(false); | |
| 6014 } | |
| 6015 | |
| 6016 Expression parseMulExp() | |
| 6017 { | |
| 6018 Expression e; | |
| 6019 Expression e2; | |
| 6020 Loc loc = this.loc; | |
| 6021 | |
| 6022 e = parseUnaryExp(); | |
| 6023 while (1) | |
| 6024 { | |
| 6025 switch (token.value) | |
| 6026 { | |
| 6027 case TOK.TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
6028 case TOK.TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
6029 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; |
| 0 | 6030 |
| 6031 default: | |
| 6032 break; | |
| 6033 } | |
| 6034 break; | |
| 6035 } | |
| 6036 return e; | |
| 6037 } | |
| 6038 | |
| 6039 Expression parseShiftExp() | |
| 6040 { | |
| 6041 Expression e; | |
| 6042 Expression e2; | |
| 6043 Loc loc = this.loc; | |
| 6044 | |
| 6045 e = parseAddExp(); | |
| 6046 while (1) | |
| 6047 { | |
| 6048 switch (token.value) | |
| 6049 { | |
| 6050 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 6051 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 6052 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 6053 | |
| 6054 default: | |
| 6055 break; | |
| 6056 } | |
| 6057 break; | |
| 6058 } | |
| 6059 return e; | |
| 6060 } | |
| 6061 | |
| 6062 Expression parseAddExp() | |
| 6063 { | |
| 6064 Expression e; | |
| 6065 Expression e2; | |
| 6066 Loc loc = this.loc; | |
| 6067 | |
| 6068 e = parseMulExp(); | |
| 6069 while (1) | |
| 6070 { | |
| 6071 switch (token.value) | |
| 6072 { | |
| 6073 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 6074 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 6075 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 6076 | |
| 6077 default: | |
| 6078 break; | |
| 6079 } | |
| 6080 break; | |
| 6081 } | |
| 6082 return e; | |
| 6083 } | |
| 6084 | |
| 6085 Expression parseRelExp() | |
| 6086 { | |
| 6087 assert(false); | |
| 6088 } | |
| 6089 | |
| 6090 Expression parseEqualExp() | |
| 6091 { | |
| 6092 assert(false); | |
| 6093 } | |
| 6094 | |
| 6095 Expression parseCmpExp() | |
| 6096 { | |
| 6097 Expression e; | |
| 6098 Expression e2; | |
| 6099 Token* t; | |
| 6100 Loc loc = this.loc; | |
| 6101 | |
| 6102 e = parseShiftExp(); | |
| 6103 TOK op = token.value; | |
| 6104 | |
| 6105 switch (op) | |
| 6106 { | |
| 6107 case TOK.TOKequal: | |
| 6108 case TOK.TOKnotequal: | |
| 6109 nextToken(); | |
| 6110 e2 = parseShiftExp(); | |
| 6111 e = new EqualExp(op, loc, e, e2); | |
| 6112 break; | |
| 6113 | |
| 6114 case TOK.TOKis: | |
| 6115 op = TOK.TOKidentity; | |
| 6116 goto L1; | |
| 6117 | |
| 6118 case TOK.TOKnot: | |
| 6119 // Attempt to identify '!is' | |
| 6120 t = peek(&token); | |
| 6121 if (t.value != TOK.TOKis) | |
| 6122 break; | |
| 6123 nextToken(); | |
| 6124 op = TOK.TOKnotidentity; | |
| 6125 goto L1; | |
| 6126 | |
| 6127 L1: | |
| 6128 nextToken(); | |
| 6129 e2 = parseShiftExp(); | |
| 6130 e = new IdentityExp(op, loc, e, e2); | |
| 6131 break; | |
| 6132 | |
| 6133 case TOK.TOKlt: | |
| 6134 case TOK.TOKle: | |
| 6135 case TOK.TOKgt: | |
| 6136 case TOK.TOKge: | |
| 6137 case TOK.TOKunord: | |
| 6138 case TOK.TOKlg: | |
| 6139 case TOK.TOKleg: | |
| 6140 case TOK.TOKule: | |
| 6141 case TOK.TOKul: | |
| 6142 case TOK.TOKuge: | |
| 6143 case TOK.TOKug: | |
| 6144 case TOK.TOKue: | |
| 6145 nextToken(); | |
| 6146 e2 = parseShiftExp(); | |
| 6147 e = new CmpExp(op, loc, e, e2); | |
| 6148 break; | |
| 6149 | |
| 6150 case TOK.TOKin: | |
| 6151 nextToken(); | |
| 6152 e2 = parseShiftExp(); | |
| 6153 e = new InExp(loc, e, e2); | |
| 6154 break; | |
| 6155 | |
| 6156 default: | |
| 6157 break; | |
| 6158 } | |
| 6159 return e; | |
| 6160 } | |
| 6161 | |
| 6162 Expression parseAndExp() | |
| 6163 { | |
| 6164 Expression e; | |
| 6165 Expression e2; | |
| 6166 Loc loc = this.loc; | |
| 6167 | |
| 6168 if (global.params.Dversion == 1) | |
| 6169 { | |
| 6170 e = parseEqualExp(); | |
| 6171 while (token.value == TOK.TOKand) | |
| 6172 { | |
| 6173 nextToken(); | |
| 6174 e2 = parseEqualExp(); | |
| 6175 e = new AndExp(loc,e,e2); | |
| 6176 loc = this.loc; | |
| 6177 } | |
| 6178 } | |
| 6179 else | |
| 6180 { | |
| 6181 e = parseCmpExp(); | |
| 6182 while (token.value == TOK.TOKand) | |
| 6183 { | |
| 6184 nextToken(); | |
| 6185 e2 = parseCmpExp(); | |
| 6186 e = new AndExp(loc,e,e2); | |
| 6187 loc = this.loc; | |
| 6188 } | |
| 6189 } | |
| 6190 return e; | |
| 6191 } | |
| 6192 | |
| 6193 Expression parseXorExp() | |
| 6194 { | |
| 6195 Expression e; | |
| 6196 Expression e2; | |
| 6197 Loc loc = this.loc; | |
| 6198 | |
| 6199 e = parseAndExp(); | |
| 6200 while (token.value == TOK.TOKxor) | |
| 6201 { | |
| 6202 nextToken(); | |
| 6203 e2 = parseAndExp(); | |
| 6204 e = new XorExp(loc, e, e2); | |
| 6205 } | |
| 6206 | |
| 6207 return e; | |
| 6208 } | |
| 6209 | |
| 6210 Expression parseOrExp() | |
| 6211 { | |
| 6212 Expression e; | |
| 6213 Expression e2; | |
| 6214 Loc loc = this.loc; | |
| 6215 | |
| 6216 e = parseXorExp(); | |
| 6217 while (token.value == TOK.TOKor) | |
| 6218 { | |
| 6219 nextToken(); | |
| 6220 e2 = parseXorExp(); | |
| 6221 e = new OrExp(loc, e, e2); | |
| 6222 } | |
| 6223 return e; | |
| 6224 } | |
| 6225 | |
| 6226 Expression parseAndAndExp() | |
| 6227 { | |
| 6228 Expression e; | |
| 6229 Expression e2; | |
| 6230 Loc loc = this.loc; | |
| 6231 | |
| 6232 e = parseOrExp(); | |
| 6233 while (token.value == TOK.TOKandand) | |
| 6234 { | |
| 6235 nextToken(); | |
| 6236 e2 = parseOrExp(); | |
| 6237 e = new AndAndExp(loc, e, e2); | |
| 6238 } | |
| 6239 return e; | |
| 6240 } | |
| 6241 | |
| 6242 Expression parseOrOrExp() | |
| 6243 { | |
| 6244 Expression e; | |
| 6245 Expression e2; | |
| 6246 Loc loc = this.loc; | |
| 6247 | |
| 6248 e = parseAndAndExp(); | |
| 6249 while (token.value == TOK.TOKoror) | |
| 6250 { | |
| 6251 nextToken(); | |
| 6252 e2 = parseAndAndExp(); | |
| 6253 e = new OrOrExp(loc, e, e2); | |
| 6254 } | |
| 6255 | |
| 6256 return e; | |
| 6257 } | |
| 6258 | |
| 6259 Expression parseCondExp() | |
| 6260 { | |
| 6261 Expression e; | |
| 6262 Expression e1; | |
| 6263 Expression e2; | |
| 6264 Loc loc = this.loc; | |
| 6265 | |
| 6266 e = parseOrOrExp(); | |
| 6267 if (token.value == TOK.TOKquestion) | |
| 6268 { | |
| 6269 nextToken(); | |
| 6270 e1 = parseExpression(); | |
| 6271 check(TOK.TOKcolon); | |
| 6272 e2 = parseCondExp(); | |
| 6273 e = new CondExp(loc, e, e1, e2); | |
| 6274 } | |
| 6275 return e; | |
| 6276 } | |
| 6277 | |
| 6278 Expression parseAssignExp() | |
| 6279 { | |
| 6280 Expression e; | |
| 6281 Expression e2; | |
| 6282 Loc loc; | |
| 6283 | |
| 6284 e = parseCondExp(); | |
| 6285 while (1) | |
| 6286 { | |
| 6287 loc = this.loc; | |
| 6288 switch (token.value) | |
| 6289 { | |
| 6290 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6291 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6292 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6293 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6294 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6295 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 135 | 6296 case TOK.TOKpowass: nextToken(); e2 = parseAssignExp(); e = new PowAssignExp(loc,e,e2); continue; |
| 0 | 6297 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; |
| 6298 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6299 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6300 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6301 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6302 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6303 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6304 | |
| 6305 default: | |
| 6306 break; | |
| 6307 } | |
| 6308 break; | |
| 6309 } | |
| 6310 | |
| 6311 return e; | |
| 6312 } | |
| 6313 | |
| 6314 /************************* | |
| 6315 * Collect argument list. | |
| 6316 * Assume current token is ',', '(' or '['. | |
| 6317 */ | |
| 6318 Expressions parseArguments() | |
| 6319 { | |
| 6320 // function call | |
| 6321 Expressions arguments = new Expressions(); | |
| 6322 Expression arg; | |
| 6323 TOK endtok; | |
| 6324 | |
| 6325 if (token.value == TOK.TOKlbracket) | |
| 6326 endtok = TOK.TOKrbracket; | |
| 6327 else | |
| 6328 endtok = TOK.TOKrparen; | |
| 6329 | |
| 6330 { | |
| 6331 nextToken(); | |
| 6332 if (token.value != endtok) | |
| 6333 { | |
| 6334 while (1) | |
| 6335 { | |
| 6336 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6337 arguments.push(arg); |
| 0 | 6338 if (token.value == endtok) |
| 6339 break; | |
| 6340 check(TOK.TOKcomma); | |
| 6341 } | |
| 6342 } | |
| 6343 check(endtok); | |
| 6344 } | |
| 6345 return arguments; | |
| 6346 } | |
| 6347 | |
| 6348 Expression parseNewExp(Expression thisexp) | |
| 6349 { | |
| 6350 Type t; | |
| 6351 Expressions newargs; | |
| 6352 Expressions arguments = null; | |
| 6353 Expression e; | |
| 6354 Loc loc = this.loc; | |
| 6355 | |
| 6356 nextToken(); | |
| 6357 newargs = null; | |
| 6358 if (token.value == TOKlparen) | |
| 6359 { | |
| 6360 newargs = parseArguments(); | |
| 6361 } | |
| 6362 | |
| 6363 // An anonymous nested class starts with "class" | |
| 6364 if (token.value == TOKclass) | |
| 6365 { | |
| 6366 nextToken(); | |
| 6367 if (token.value == TOKlparen) | |
| 6368 arguments = parseArguments(); | |
| 6369 | |
| 6370 BaseClasses baseclasses = null; | |
| 6371 if (token.value != TOKlcurly) | |
| 6372 baseclasses = parseBaseClasses(); | |
| 6373 | |
| 6374 Identifier id = null; | |
| 6375 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6376 | |
| 6377 if (token.value != TOKlcurly) | |
| 6378 { | |
| 6379 error("{ members } expected for anonymous class"); | |
| 6380 cd.members = null; | |
| 6381 } | |
| 6382 else | |
| 6383 { | |
| 6384 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6385 auto decl = parseDeclDefs(0); |
| 0 | 6386 if (token.value != TOKrcurly) |
| 6387 error("class member expected"); | |
| 6388 nextToken(); | |
| 6389 cd.members = decl; | |
| 6390 } | |
| 6391 | |
| 6392 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6393 | |
| 6394 return e; | |
| 6395 } | |
| 6396 | |
| 6397 t = parseBasicType(); | |
| 6398 t = parseBasicType2(t); | |
| 6399 if (t.ty == Taarray) | |
| 6400 { | |
| 6401 TypeAArray taa = cast(TypeAArray)t; | |
| 6402 Type index = taa.index; | |
| 6403 | |
| 6404 Expression e2 = index.toExpression(); | |
| 6405 if (e2) | |
| 6406 { | |
| 6407 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6408 arguments.push(e2); |
| 0 | 6409 t = new TypeDArray(taa.next); |
| 6410 } | |
| 6411 else | |
| 6412 { | |
| 6413 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6414 return new NullExp(loc); | |
| 6415 } | |
| 6416 } | |
| 6417 else if (t.ty == Tsarray) | |
| 6418 { | |
| 6419 TypeSArray tsa = cast(TypeSArray)t; | |
| 6420 Expression ee = tsa.dim; | |
| 6421 | |
| 6422 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6423 arguments.push(ee); |
| 0 | 6424 t = new TypeDArray(tsa.next); |
| 6425 } | |
| 6426 else if (token.value == TOKlparen) | |
| 6427 { | |
| 6428 arguments = parseArguments(); | |
| 6429 } | |
| 6430 | |
| 6431 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6432 return e; | |
| 6433 } | |
| 6434 | |
| 79 | 6435 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6436 { |
| 6437 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6438 token.lineComment = null; | |
| 6439 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6440 } |