Mercurial > projects > ddmd
annotate dmd/Parser.d @ 130:60bb0fe4563e
dmdfe 2.037 first main iteration
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Thu, 09 Sep 2010 22:51:44 +0100 |
| parents | e6e542f37b94 |
| children | 206db751bd4c |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Parser; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Lexer; |
| 5 import dmd.PostBlitDeclaration; | |
| 6 import dmd.FileInitExp; | |
| 7 import dmd.LineInitExp; | |
| 8 import dmd.EnumMember; | |
| 9 import dmd.CtorDeclaration; | |
| 10 import dmd.ShlAssignExp; | |
| 11 import dmd.ShrAssignExp; | |
| 12 import dmd.UshrAssignExp; | |
| 13 import dmd.CatAssignExp; | |
| 14 import dmd.StaticIfCondition; | |
| 15 import dmd.TraitsExp; | |
| 13 | 16 import dmd.TemplateMixin; |
| 0 | 17 import dmd.BaseClass; |
| 18 import dmd.AssignExp; | |
| 19 import dmd.TemplateInstance; | |
| 20 import dmd.NewExp; | |
| 21 import dmd.ArrayExp; | |
| 22 import dmd.DotTemplateInstanceExp; | |
| 23 import dmd.ClassDeclaration; | |
| 24 import dmd.NewAnonClassExp; | |
| 25 import dmd.InterfaceDeclaration; | |
| 26 import dmd.StructDeclaration; | |
| 27 import dmd.UnionDeclaration; | |
| 28 import dmd.AnonDeclaration; | |
| 29 import dmd.StructInitializer; | |
| 30 import dmd.ArrayInitializer; | |
| 31 import dmd.ExpInitializer; | |
| 32 import dmd.TemplateAliasParameter; | |
| 33 import dmd.TemplateTupleParameter; | |
| 34 import dmd.TemplateThisParameter; | |
| 35 import dmd.TemplateValueParameter; | |
| 36 import dmd.VoidInitializer; | |
| 37 import dmd.VersionCondition; | |
| 38 import dmd.DotIdExp; | |
| 39 import dmd.DebugCondition; | |
| 40 import dmd.PostExp; | |
| 41 import dmd.CallExp; | |
| 42 import dmd.SliceExp; | |
| 43 import dmd.FuncExp; | |
| 44 import dmd.AssocArrayLiteralExp; | |
| 45 import dmd.ArrayLiteralExp; | |
| 46 import dmd.IsExp; | |
| 47 import dmd.FuncLiteralDeclaration; | |
| 48 import dmd.AssertExp; | |
| 49 import dmd.CompileExp; | |
| 50 import dmd.FileExp; | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
51 import dmd.TemplateMixin; |
| 0 | 52 import dmd.TemplateParameter; |
| 53 import dmd.TemplateTypeParameter; | |
| 54 import dmd.TypeidExp; | |
| 55 import dmd.StringExp; | |
| 56 import dmd.ScopeExp; | |
| 57 import dmd.IdentifierExp; | |
| 58 import dmd.DollarExp; | |
| 59 import dmd.ThisExp; | |
| 60 import dmd.SuperExp; | |
| 61 import dmd.NullExp; | |
| 62 import dmd.RealExp; | |
| 63 import dmd.TypeExp; | |
| 64 import dmd.AddrExp; | |
| 65 import dmd.MOD; | |
| 66 import dmd.IntegerExp; | |
| 67 import dmd.CastExp; | |
| 68 import dmd.PtrExp; | |
| 69 import dmd.NegExp; | |
| 70 import dmd.XorAssignExp; | |
| 71 import dmd.OrAssignExp; | |
| 72 import dmd.UAddExp; | |
| 73 import dmd.NotExp; | |
| 74 import dmd.ComExp; | |
| 75 import dmd.DeleteExp; | |
| 76 import dmd.MulAssignExp; | |
| 77 import dmd.ModAssignExp; | |
| 78 import dmd.MinAssignExp; | |
| 79 import dmd.DivAssignExp; | |
| 80 import dmd.AndAssignExp; | |
| 81 import dmd.AddAssignExp; | |
| 82 import dmd.ModuleDeclaration; | |
| 83 import dmd.CaseRangeStatement; | |
| 84 import dmd.CommaExp; | |
| 85 import dmd.XorExp; | |
| 86 import dmd.CondExp; | |
| 87 import dmd.CmpExp; | |
| 88 import dmd.InExp; | |
| 89 import dmd.OrOrExp; | |
| 90 import dmd.OrExp; | |
| 91 import dmd.AddExp; | |
| 92 import dmd.MinExp; | |
| 93 import dmd.CatExp; | |
| 94 import dmd.AndAndExp; | |
| 95 import dmd.EqualExp; | |
| 96 import dmd.ShlExp; | |
| 97 import dmd.ShrExp; | |
| 98 import dmd.DivExp; | |
| 99 import dmd.MulExp; | |
| 100 import dmd.ModExp; | |
| 101 import dmd.UshrExp; | |
| 102 import dmd.IdentityExp; | |
| 103 import dmd.AndExp; | |
| 104 import dmd.Id; | |
| 105 import dmd.LabelStatement; | |
| 106 import dmd.ExpStatement; | |
| 107 import dmd.StaticAssertStatement; | |
| 108 import dmd.DeclarationStatement; | |
| 109 import dmd.ScopeStatement; | |
| 110 import dmd.PragmaStatement; | |
| 111 import dmd.WhileStatement; | |
| 112 import dmd.DoStatement; | |
| 113 import dmd.ForStatement; | |
| 114 import dmd.OnScopeStatement; | |
| 115 import dmd.IfStatement; | |
| 116 import dmd.SwitchStatement; | |
| 117 import dmd.CaseStatement; | |
| 118 import dmd.DefaultStatement; | |
| 119 import dmd.GotoDefaultStatement; | |
| 120 import dmd.GotoCaseStatement; | |
| 121 import dmd.GotoStatement; | |
| 122 import dmd.SynchronizedStatement; | |
| 123 import dmd.WithStatement; | |
| 124 import dmd.Catch; | |
| 125 import dmd.TryCatchStatement; | |
| 126 import dmd.TryFinallyStatement; | |
| 127 import dmd.ThrowStatement; | |
| 128 import dmd.VolatileStatement; | |
| 129 import dmd.ReturnStatement; | |
| 130 import dmd.BreakStatement; | |
| 131 import dmd.ContinueStatement; | |
| 132 import dmd.AsmStatement; | |
| 133 import dmd.TypeReturn; | |
| 134 import dmd.TypeTypeof; | |
| 135 import dmd.ForeachRangeStatement; | |
| 136 import dmd.ForeachStatement; | |
| 137 import dmd.CompileStatement; | |
| 138 import dmd.CompoundStatement; | |
| 139 import dmd.ConditionalStatement; | |
| 140 import dmd.CompoundDeclarationStatement; | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
141 import dmd.Parameter; |
| 0 | 142 import dmd.ParseStatementFlags; |
| 79 | 143 import dmd.TypeNewArray; |
| 0 | 144 import dmd.TypeNext; |
| 145 import dmd.TypeInstance; | |
| 146 import dmd.TypePointer; | |
| 147 import dmd.TypeDArray; | |
| 148 import dmd.TypeAArray; | |
| 149 import dmd.TypeSlice; | |
| 150 import dmd.TypeSArray; | |
| 151 import dmd.TemplateInstance; | |
| 152 import dmd.TypeIdentifier; | |
| 153 import dmd.VarDeclaration; | |
| 154 import dmd.TypeFunction; | |
| 155 import dmd.TypeDelegate; | |
| 156 import dmd.TY; | |
| 157 import dmd.LinkDeclaration; | |
| 158 import dmd.Declaration; | |
| 159 import dmd.AggregateDeclaration; | |
| 160 import dmd.TypedefDeclaration; | |
| 161 import dmd.AliasDeclaration; | |
| 162 import dmd.LINK; | |
| 163 import dmd.Loc; | |
| 164 import dmd.Module; | |
| 165 import dmd.Array; | |
| 166 import dmd.Expression; | |
| 167 import dmd.TemplateDeclaration; | |
| 168 import dmd.ArrayTypes; | |
| 169 import dmd.Dsymbol; | |
| 170 import dmd.StaticAssert; | |
| 171 import dmd.TypeQualified; | |
| 172 import dmd.Condition; | |
| 173 import dmd.PostBlitDeclaration; | |
| 174 import dmd.DtorDeclaration; | |
| 175 import dmd.ConditionalDeclaration; | |
| 176 import dmd.StaticCtorDeclaration; | |
| 177 import dmd.StaticDtorDeclaration; | |
| 178 import dmd.InvariantDeclaration; | |
| 179 import dmd.UnitTestDeclaration; | |
| 180 import dmd.NewDeclaration; | |
| 181 import dmd.DeleteDeclaration; | |
| 182 import dmd.EnumDeclaration; | |
| 183 import dmd.Import; | |
| 184 import dmd.Type; | |
| 185 import dmd.Identifier; | |
| 186 import dmd.FuncDeclaration; | |
| 187 import dmd.Statement; | |
| 188 import dmd.Initializer; | |
| 189 import dmd.Token; | |
| 190 import dmd.TOK; | |
| 191 import dmd.ParseStatementFlags; | |
| 192 import dmd.PROT; | |
| 193 import dmd.STC; | |
| 194 import dmd.Util; | |
| 195 import dmd.CompileDeclaration; | |
| 196 import dmd.StaticIfDeclaration; | |
| 197 import dmd.StorageClassDeclaration; | |
| 198 import dmd.LinkDeclaration; | |
| 199 import dmd.ProtDeclaration; | |
| 200 import dmd.AlignDeclaration; | |
| 201 import dmd.PragmaDeclaration; | |
| 202 import dmd.DebugSymbol; | |
| 203 import dmd.VersionSymbol; | |
| 204 import dmd.AliasThis; | |
| 205 import dmd.Global; | |
| 206 | |
| 207 import core.stdc.string : memcpy; | |
| 208 | |
| 34 | 209 import std.exception; |
| 4 | 210 import core.memory; |
| 0 | 211 |
| 212 class Parser : Lexer | |
| 213 { | |
| 214 ModuleDeclaration md; | |
| 215 LINK linkage; | |
| 216 Loc endloc; // set to location of last right curly | |
| 217 int inBrackets; // inside [] of array index or slice | |
| 218 | |
| 219 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 220 { | |
| 221 super(module_, base, 0, length, doDocComment, 0); | |
| 222 //printf("Parser.Parser()\n"); | |
| 223 linkage = LINK.LINKd; | |
| 224 //nextToken(); // start up the scanner | |
| 225 } | |
| 226 | |
|
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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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changeset
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227 Dsymbols parseModule() |
| 0 | 228 { |
|
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parents:
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229 typeof(return) decldefs; |
| 0 | 230 |
| 231 // ModuleDeclation leads off | |
| 232 if (token.value == TOK.TOKmodule) | |
| 233 { | |
| 79 | 234 string comment = token.blockComment; |
| 0 | 235 bool safe = false; |
| 236 | |
| 237 nextToken(); | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
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238 static if(false) { |
| 0 | 239 version (DMDV2) { |
| 240 if (token.value == TOK.TOKlparen) | |
| 241 { | |
| 242 nextToken(); | |
| 243 if (token.value != TOK.TOKidentifier) | |
| 244 { | |
| 245 error("module (system) identifier expected"); | |
| 246 goto Lerr; | |
| 247 } | |
| 248 Identifier id = token.ident; | |
| 249 | |
| 250 if (id is Id.system) | |
| 251 safe = true; | |
| 252 else | |
| 253 error("(safe) expected, not %s", id.toChars()); | |
| 254 nextToken(); | |
| 255 check(TOK.TOKrparen); | |
| 256 } | |
| 257 } | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
258 } |
| 0 | 259 |
| 260 if (token.value != TOK.TOKidentifier) | |
| 261 { | |
| 262 error("Identifier expected following module"); | |
| 263 goto Lerr; | |
| 264 } | |
| 265 else | |
| 266 { | |
|
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Some more Array -> Vector conversions
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parents:
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267 Identifiers a = null; |
| 0 | 268 Identifier id = token.ident; |
| 269 while (nextToken() == TOK.TOKdot) | |
| 270 { | |
| 271 if (!a) | |
|
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Some more Array -> Vector conversions
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parents:
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272 a = new Identifiers(); |
|
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Some more Array -> Vector conversions
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parents:
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273 a.push(id); |
| 0 | 274 nextToken(); |
| 275 if (token.value != TOK.TOKidentifier) | |
| 276 { error("Identifier expected following package"); | |
| 277 goto Lerr; | |
| 278 } | |
| 279 id = token.ident; | |
| 280 } | |
| 281 | |
| 282 md = new ModuleDeclaration(a, id, safe); | |
| 283 | |
| 284 if (token.value != TOK.TOKsemicolon) | |
| 285 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 286 | |
| 287 nextToken(); | |
| 288 addComment(mod, comment); | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 decldefs = parseDeclDefs(0); | |
| 293 if (token.value != TOK.TOKeof) | |
| 294 { | |
| 295 error("unrecognized declaration"); | |
| 296 goto Lerr; | |
| 297 } | |
| 298 | |
| 299 return decldefs; | |
| 300 | |
| 301 Lerr: | |
| 302 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 303 nextToken(); | |
| 304 | |
| 305 nextToken(); | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
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306 return new Dsymbols(); |
| 0 | 307 } |
| 308 | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
309 Dsymbols parseDeclDefs(int once) |
| 0 | 310 { |
| 311 Dsymbol s; | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
312 Dsymbols decldefs; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
313 Dsymbols a; |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
314 Dsymbols aelse; |
| 0 | 315 PROT prot; |
| 316 STC stc; | |
| 317 STC storageClass; | |
| 318 Condition condition; | |
| 79 | 319 string comment; |
| 0 | 320 |
| 321 //printf("Parser.parseDeclDefs()\n"); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
322 decldefs = new Dsymbols(); |
| 0 | 323 do |
| 324 { | |
| 325 comment = token.blockComment; | |
| 326 storageClass = STC.STCundefined; | |
| 327 switch (token.value) | |
| 328 { | |
| 329 case TOK.TOKenum: | |
| 330 { /* Determine if this is a manifest constant declaration, | |
| 331 * or a conventional enum. | |
| 332 */ | |
| 333 Token *t = peek(&token); | |
| 334 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 335 s = parseEnum(); | |
| 336 else if (t.value != TOK.TOKidentifier) | |
| 337 goto Ldeclaration; | |
| 338 else | |
| 339 { | |
| 340 t = peek(t); | |
| 341 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 342 t.value == TOK.TOKsemicolon) | |
| 343 s = parseEnum(); | |
| 344 else | |
| 345 goto Ldeclaration; | |
| 346 } | |
| 347 break; | |
| 348 } | |
| 349 | |
| 350 case TOK.TOKstruct: | |
| 351 case TOK.TOKunion: | |
| 352 case TOK.TOKclass: | |
| 353 case TOK.TOKinterface: | |
| 354 s = parseAggregate(); | |
| 355 break; | |
| 356 | |
| 357 case TOK.TOKimport: | |
| 358 s = parseImport(decldefs, 0); | |
| 359 break; | |
| 360 | |
| 361 case TOK.TOKtemplate: | |
| 362 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 363 break; | |
| 364 | |
| 365 case TOK.TOKmixin: | |
| 366 { Loc loc = this.loc; | |
| 367 if (peek(&token).value == TOK.TOKlparen) | |
| 368 { // mixin(string) | |
| 369 nextToken(); | |
| 370 check(TOK.TOKlparen, "mixin"); | |
| 371 Expression e = parseAssignExp(); | |
| 372 check(TOK.TOKrparen); | |
| 373 check(TOK.TOKsemicolon); | |
| 374 s = new CompileDeclaration(loc, e); | |
| 375 break; | |
| 376 } | |
| 377 s = parseMixin(); | |
| 378 break; | |
| 379 } | |
| 380 | |
| 381 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 382 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 383 case TOK.TOKint8: case TOK.TOKuns8: | |
| 384 case TOK.TOKint16: case TOK.TOKuns16: | |
| 385 case TOK.TOKint32: case TOK.TOKuns32: | |
| 386 case TOK.TOKint64: case TOK.TOKuns64: | |
| 387 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 388 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 389 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 390 case TOK.TOKvoid: | |
| 391 case TOK.TOKalias: | |
| 392 case TOK.TOKtypedef: | |
| 393 case TOK.TOKidentifier: | |
| 394 case TOK.TOKtypeof: | |
| 395 case TOK.TOKdot: | |
| 396 Ldeclaration: | |
| 397 a = parseDeclarations(STC.STCundefined); | |
| 398 decldefs.append(a); | |
| 399 continue; | |
| 400 | |
| 401 case TOK.TOKthis: | |
| 402 s = parseCtor(); | |
| 403 break; | |
| 404 | |
| 405 static if (false) { // dead end, use this(this){} instead | |
| 406 case TOK.TOKassign: | |
| 407 s = parsePostBlit(); | |
| 408 break; | |
| 409 } | |
| 410 case TOK.TOKtilde: | |
| 411 s = parseDtor(); | |
| 412 break; | |
| 413 | |
| 414 case TOK.TOKinvariant: | |
| 415 { Token *t; | |
| 416 t = peek(&token); | |
| 417 if (t.value == TOK.TOKlparen) | |
| 418 { | |
| 419 if (peek(t).value == TOK.TOKrparen) | |
| 420 // invariant() forms start of class invariant | |
| 421 s = parseInvariant(); | |
| 422 else | |
| 423 // invariant(type) | |
| 424 goto Ldeclaration; | |
| 425 } | |
| 426 else | |
| 427 { | |
| 428 stc = STC.STCimmutable; | |
| 429 goto Lstc; | |
| 430 } | |
| 431 break; | |
| 432 } | |
| 433 | |
| 434 case TOK.TOKunittest: | |
| 435 s = parseUnitTest(); | |
| 436 break; | |
| 437 | |
| 438 case TOK.TOKnew: | |
| 439 s = parseNew(); | |
| 440 break; | |
| 441 | |
| 442 case TOK.TOKdelete: | |
| 443 s = parseDelete(); | |
| 444 break; | |
| 445 | |
| 446 case TOK.TOKeof: | |
| 447 case TOK.TOKrcurly: | |
| 448 return decldefs; | |
| 449 | |
| 450 case TOK.TOKstatic: | |
| 451 nextToken(); | |
| 452 if (token.value == TOK.TOKthis) | |
| 453 s = parseStaticCtor(); | |
| 454 else if (token.value == TOK.TOKtilde) | |
| 455 s = parseStaticDtor(); | |
| 456 else if (token.value == TOK.TOKassert) | |
| 457 s = parseStaticAssert(); | |
| 458 else if (token.value == TOK.TOKif) | |
| 459 { condition = parseStaticIfCondition(); | |
| 460 a = parseBlock(); | |
| 461 aelse = null; | |
| 462 if (token.value == TOK.TOKelse) | |
| 463 { nextToken(); | |
| 464 aelse = parseBlock(); | |
| 465 } | |
| 466 s = new StaticIfDeclaration(condition, a, aelse); | |
| 467 break; | |
| 468 } | |
| 469 else if (token.value == TOK.TOKimport) | |
| 470 { | |
| 471 s = parseImport(decldefs, 1); | |
| 472 } | |
| 473 else | |
| 474 { stc = STC.STCstatic; | |
| 475 goto Lstc2; | |
| 476 } | |
| 477 break; | |
| 478 | |
| 479 case TOK.TOKconst: | |
| 480 if (peek(&token).value == TOK.TOKlparen) | |
| 481 goto Ldeclaration; | |
| 482 stc = STC.STCconst; | |
| 483 goto Lstc; | |
| 484 | |
| 485 case TOK.TOKimmutable: | |
| 486 if (peek(&token).value == TOK.TOKlparen) | |
| 487 goto Ldeclaration; | |
| 488 stc = STC.STCimmutable; | |
| 489 goto Lstc; | |
| 490 | |
| 491 case TOK.TOKshared: | |
| 492 if (peek(&token).value == TOK.TOKlparen) | |
| 493 goto Ldeclaration; | |
| 494 stc = STC.STCshared; | |
| 495 goto Lstc; | |
| 496 | |
| 497 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 498 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 499 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 500 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 501 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 502 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 503 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 504 version (DMDV2) { | |
| 505 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 506 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 507 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 508 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 509 case TOK.TOKgshared: | |
| 510 stc = STC.STCgshared; goto Lstc; | |
| 511 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
512 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 513 } |
| 514 | |
| 515 Lstc: | |
| 516 if (storageClass & stc) | |
| 517 error("redundant storage class %s", Token.toChars(token.value)); | |
| 518 composeStorageClass(storageClass | stc); | |
| 519 nextToken(); | |
| 520 Lstc2: | |
| 521 storageClass |= stc; | |
| 522 switch (token.value) | |
| 523 { | |
| 524 case TOK.TOKconst: | |
| 525 case TOK.TOKinvariant: | |
| 526 case TOK.TOKimmutable: | |
| 527 case TOK.TOKshared: | |
| 528 // If followed by a (, it is not a storage class | |
| 529 if (peek(&token).value == TOK.TOKlparen) | |
| 530 break; | |
| 531 if (token.value == TOK.TOKconst) | |
| 532 stc = STC.STCconst; | |
| 533 else if (token.value == TOK.TOKshared) | |
| 534 stc = STC.STCshared; | |
| 535 else | |
| 536 stc = STC.STCimmutable; | |
| 537 goto Lstc; | |
| 538 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 539 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 540 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 541 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 542 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 543 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 544 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 545 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 546 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 547 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 548 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 549 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 550 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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551 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 552 default: |
| 553 break; | |
| 554 } | |
| 555 | |
| 556 /* Look for auto initializers: | |
| 557 * storage_class identifier = initializer; | |
| 558 */ | |
| 559 if (token.value == TOK.TOKidentifier && | |
| 560 peek(&token).value == TOK.TOKassign) | |
| 561 { | |
| 562 a = parseAutoDeclarations(storageClass, comment); | |
| 563 decldefs.append(a); | |
| 564 continue; | |
| 565 } | |
| 566 | |
| 567 /* Look for return type inference for template functions. | |
| 568 */ | |
| 569 Token *tk; | |
| 570 if (token.value == TOK.TOKidentifier && | |
| 571 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 572 skipParens(tk, &tk) && | |
| 573 (peek(tk).value == TOK.TOKlparen || | |
| 574 peek(tk).value == TOK.TOKlcurly) | |
| 575 ) | |
| 576 { | |
| 577 a = parseDeclarations(storageClass); | |
| 578 decldefs.append(a); | |
| 579 continue; | |
| 580 } | |
| 581 a = parseBlock(); | |
| 582 s = new StorageClassDeclaration(storageClass, a); | |
| 583 break; | |
| 584 | |
| 585 case TOK.TOKextern: | |
| 586 if (peek(&token).value != TOK.TOKlparen) | |
| 587 { | |
| 588 stc = STC.STCextern; | |
| 589 goto Lstc; | |
| 590 } | |
| 591 { | |
| 592 LINK linksave = linkage; | |
| 593 linkage = parseLinkage(); | |
| 594 a = parseBlock(); | |
| 595 s = new LinkDeclaration(linkage, a); | |
| 596 linkage = linksave; | |
| 597 break; | |
| 598 } | |
| 599 | |
| 600 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 601 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 602 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 603 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 604 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 605 Lprot: | |
| 606 nextToken(); | |
| 607 switch (token.value) | |
| 608 { | |
| 609 case TOK.TOKprivate: | |
| 610 case TOK.TOKpackage: | |
| 611 case TOK.TOKprotected: | |
| 612 case TOK.TOKpublic: | |
| 613 case TOK.TOKexport: | |
| 614 error("redundant protection attribute"); | |
| 615 break; | |
| 616 default: | |
| 617 break; | |
| 618 } | |
| 619 a = parseBlock(); | |
| 620 s = new ProtDeclaration(prot, a); | |
| 621 break; | |
| 622 | |
| 623 case TOK.TOKalign: | |
| 624 { uint n; | |
| 625 | |
| 626 s = null; | |
| 627 nextToken(); | |
| 628 if (token.value == TOK.TOKlparen) | |
| 629 { | |
| 630 nextToken(); | |
| 631 if (token.value == TOK.TOKint32v) | |
| 632 n = cast(uint)token.uns64value; | |
| 633 else | |
| 634 { error("integer expected, not %s", token.toChars()); | |
| 635 n = 1; | |
| 636 } | |
| 637 nextToken(); | |
| 638 check(TOK.TOKrparen); | |
| 639 } | |
| 640 else | |
| 641 n = global.structalign; // default | |
| 642 | |
| 643 a = parseBlock(); | |
| 644 s = new AlignDeclaration(n, a); | |
| 645 break; | |
| 646 } | |
| 647 | |
| 648 case TOK.TOKpragma: | |
| 649 { Identifier ident; | |
| 650 Expressions args = null; | |
| 651 | |
| 652 nextToken(); | |
| 653 check(TOK.TOKlparen); | |
| 654 if (token.value != TOK.TOKidentifier) | |
| 655 { error("pragma(identifier expected"); | |
| 656 goto Lerror; | |
| 657 } | |
| 658 ident = token.ident; | |
| 659 nextToken(); | |
| 660 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 661 args = parseArguments(); // pragma(identifier, args...) | |
| 662 else | |
| 663 check(TOK.TOKrparen); // pragma(identifier) | |
| 664 | |
| 665 if (token.value == TOK.TOKsemicolon) | |
| 666 a = null; | |
| 667 else | |
| 668 a = parseBlock(); | |
| 669 s = new PragmaDeclaration(loc, ident, args, a); | |
| 670 break; | |
| 671 } | |
| 672 | |
| 673 case TOK.TOKdebug: | |
| 674 nextToken(); | |
| 675 if (token.value == TOK.TOKassign) | |
| 676 { | |
| 677 nextToken(); | |
| 678 if (token.value == TOK.TOKidentifier) | |
| 679 s = new DebugSymbol(loc, token.ident); | |
| 680 else if (token.value == TOK.TOKint32v) | |
| 681 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 682 else | |
| 683 { error("identifier or integer expected, not %s", token.toChars()); | |
| 684 s = null; | |
| 685 } | |
| 686 nextToken(); | |
| 687 if (token.value != TOK.TOKsemicolon) | |
| 688 error("semicolon expected"); | |
| 689 nextToken(); | |
| 690 break; | |
| 691 } | |
| 692 | |
| 693 condition = parseDebugCondition(); | |
| 694 goto Lcondition; | |
| 695 | |
| 696 case TOK.TOKversion: | |
| 697 nextToken(); | |
| 698 if (token.value == TOK.TOKassign) | |
| 699 { | |
| 700 nextToken(); | |
| 701 if (token.value == TOK.TOKidentifier) | |
| 702 s = new VersionSymbol(loc, token.ident); | |
| 703 else if (token.value == TOK.TOKint32v) | |
| 704 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 705 else | |
| 706 { error("identifier or integer expected, not %s", token.toChars()); | |
| 707 s = null; | |
| 708 } | |
| 709 nextToken(); | |
| 710 if (token.value != TOK.TOKsemicolon) | |
| 711 error("semicolon expected"); | |
| 712 nextToken(); | |
| 713 break; | |
| 714 } | |
| 715 condition = parseVersionCondition(); | |
| 716 goto Lcondition; | |
| 717 | |
| 718 Lcondition: | |
| 719 a = parseBlock(); | |
| 720 aelse = null; | |
| 721 if (token.value == TOK.TOKelse) | |
| 722 { nextToken(); | |
| 723 aelse = parseBlock(); | |
| 724 } | |
| 725 s = new ConditionalDeclaration(condition, a, aelse); | |
| 726 break; | |
| 727 | |
| 728 case TOK.TOKsemicolon: // empty declaration | |
| 729 nextToken(); | |
| 730 continue; | |
| 731 | |
| 732 default: | |
| 733 error("Declaration expected, not '%s'",token.toChars()); | |
| 734 Lerror: | |
| 735 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 736 nextToken(); | |
| 737 nextToken(); | |
| 738 s = null; | |
| 739 continue; | |
| 740 } | |
| 741 if (s) | |
|
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742 { decldefs.push(s); |
| 0 | 743 addComment(s, comment); |
| 744 } | |
| 745 } while (!once); | |
| 746 return decldefs; | |
| 747 } | |
| 748 | |
| 749 /***************************************** | |
| 750 * Parse auto declarations of the form: | |
| 751 * storageClass ident = init, ident = init, ... ; | |
| 752 * and return the array of them. | |
| 753 * Starts with token on the first ident. | |
| 754 * Ends with scanner past closing ';' | |
| 755 */ | |
| 79 | 756 version (DMDV2) |
| 757 { | |
| 758 Dsymbols parseAutoDeclarations(STC storageClass, const(char)[] comment) | |
| 0 | 759 { |
|
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760 auto a = new Dsymbols; |
| 0 | 761 |
| 762 while (true) | |
| 763 { | |
| 764 Identifier ident = token.ident; | |
| 765 nextToken(); // skip over ident | |
| 766 assert(token.value == TOKassign); | |
| 767 nextToken(); // skip over '=' | |
| 768 Initializer init = parseInitializer(); | |
|
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769 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 770 v.storage_class = storageClass; |
|
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771 a.push(v); |
| 0 | 772 if (token.value == TOKsemicolon) |
| 773 { | |
| 774 nextToken(); | |
| 775 addComment(v, comment); | |
| 776 } | |
| 777 else if (token.value == TOKcomma) | |
| 778 { | |
| 779 nextToken(); | |
| 780 if (token.value == TOKidentifier && | |
| 781 peek(&token).value == TOKassign) | |
| 782 { | |
| 783 addComment(v, comment); | |
| 784 continue; | |
| 785 } | |
| 786 else | |
| 787 error("Identifier expected following comma"); | |
| 788 } | |
| 789 else | |
| 790 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 791 break; | |
| 792 } | |
| 793 return a; | |
| 794 } | |
| 795 } | |
| 796 /******************************************** | |
| 797 * Parse declarations after an align, protection, or extern decl. | |
| 798 */ | |
|
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799 Dsymbols parseBlock() |
| 0 | 800 { |
|
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801 Dsymbols a = null; |
| 0 | 802 Dsymbol ss; |
| 803 | |
| 804 //printf("parseBlock()\n"); | |
| 805 switch (token.value) | |
| 806 { | |
| 807 case TOK.TOKsemicolon: | |
| 808 error("declaration expected following attribute, not ';'"); | |
| 809 nextToken(); | |
| 810 break; | |
| 811 | |
| 812 case TOK.TOKeof: | |
| 813 error("declaration expected following attribute, not EOF"); | |
| 814 break; | |
| 815 | |
| 816 case TOK.TOKlcurly: | |
| 817 nextToken(); | |
| 818 a = parseDeclDefs(0); | |
| 819 if (token.value != TOK.TOKrcurly) | |
| 820 { /* { */ | |
| 821 error("matching '}' expected, not %s", token.toChars()); | |
| 822 } | |
| 823 else | |
| 824 nextToken(); | |
| 825 break; | |
| 826 | |
| 827 case TOK.TOKcolon: | |
| 828 nextToken(); | |
| 829 static if (false) { | |
| 830 a = null; | |
| 831 } else { | |
| 832 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 833 } | |
| 834 break; | |
| 835 | |
| 836 default: | |
| 837 a = parseDeclDefs(1); | |
| 838 break; | |
| 839 } | |
| 840 return a; | |
| 841 } | |
|
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842 version(DMDV2) { |
| 0 | 843 void composeStorageClass(STC stc) |
| 844 { | |
| 845 STC u = stc; | |
| 846 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; | |
| 847 if (u & (u - 1)) | |
| 848 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 849 | |
| 850 u = stc; | |
| 851 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 852 if (u & (u - 1)) | |
| 853 error("conflicting storage class %s", Token.toChars(token.value)); | |
|
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854 u = stc; |
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855 u &= STCsafe | STCsystem | STCtrusted; |
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856 if (u & (u - 1)) |
|
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|
857 error("conflicting attribute @%s", token.toChars()); |
| 0 | 858 } |
|
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859 } |
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|
860 |
|
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861 /*********************************************** |
|
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862 * Parse storage class, lexer is on '@' |
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863 */ |
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|
864 |
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|
865 version(DMDV2) { |
|
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|
866 STC parseAttribute() |
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867 { |
|
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|
868 nextToken(); |
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869 STC stc = STCundefined; |
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870 if (token.value != TOKidentifier) |
|
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diff
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|
871 { |
|
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128
diff
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|
872 error("identifier expected after @, not %s", token.toChars()); |
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|
873 } |
|
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874 else if (token.ident == Id.property) |
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|
875 stc = STCproperty; |
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|
876 else if (token.ident == Id.safe) |
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877 stc = STCsafe; |
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|
878 else if (token.ident == Id.trusted) |
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879 stc = STCtrusted; |
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880 else if (token.ident == Id.system) |
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|
881 stc = STCsystem; |
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|
882 else |
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|
883 error("valid attribute identifiers are @property, @safe, @trusted, @system, not @%s", token.toChars()); |
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884 return stc; |
|
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|
885 } |
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886 } |
| 0 | 887 /************************************** |
| 888 * Parse constraint. | |
| 889 * Constraint is of the form: | |
| 890 * if ( ConstraintExpression ) | |
| 891 */ | |
| 892 version (DMDV2) { | |
| 893 Expression parseConstraint() | |
| 894 { | |
| 895 Expression e = null; | |
| 896 | |
| 897 if (token.value == TOKif) | |
| 898 { | |
| 899 nextToken(); // skip over 'if' | |
| 900 check(TOKlparen); | |
| 901 e = parseExpression(); | |
| 902 check(TOKrparen); | |
| 903 } | |
| 904 return e; | |
| 905 } | |
| 906 } | |
| 907 /************************************** | |
| 908 * Parse a TemplateDeclaration. | |
| 909 */ | |
| 910 TemplateDeclaration parseTemplateDeclaration() | |
| 911 { | |
| 912 TemplateDeclaration tempdecl; | |
| 913 Identifier id; | |
| 914 TemplateParameters tpl; | |
|
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915 Dsymbols decldefs; |
| 0 | 916 Expression constraint = null; |
| 917 Loc loc = this.loc; | |
| 918 | |
| 919 nextToken(); | |
| 920 if (token.value != TOKidentifier) | |
| 921 { | |
| 922 error("TemplateIdentifier expected following template"); | |
| 923 goto Lerr; | |
| 924 } | |
| 925 id = token.ident; | |
| 926 nextToken(); | |
| 927 tpl = parseTemplateParameterList(); | |
| 928 if (!tpl) | |
| 929 goto Lerr; | |
| 930 | |
| 931 constraint = parseConstraint(); | |
| 932 | |
| 933 if (token.value != TOKlcurly) | |
| 934 { | |
| 935 error("members of template declaration expected"); | |
| 936 goto Lerr; | |
| 937 } | |
| 938 else | |
| 939 { | |
| 940 nextToken(); | |
| 941 decldefs = parseDeclDefs(0); | |
| 942 if (token.value != TOKrcurly) | |
| 943 { | |
| 944 error("template member expected"); | |
| 945 goto Lerr; | |
| 946 } | |
| 947 nextToken(); | |
| 948 } | |
| 949 | |
| 950 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 951 return tempdecl; | |
| 952 | |
| 953 Lerr: | |
| 954 return null; | |
| 955 } | |
| 956 | |
| 957 /****************************************** | |
| 958 * Parse template parameter list. | |
| 959 * Input: | |
| 960 * flag 0: parsing "( list )" | |
| 961 * 1: parsing non-empty "list )" | |
| 962 */ | |
| 963 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 964 { | |
| 965 TemplateParameters tpl = new TemplateParameters(); | |
| 966 | |
| 967 if (!flag && token.value != TOKlparen) | |
| 968 { | |
| 969 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 970 goto Lerr; | |
| 971 } | |
| 972 nextToken(); | |
| 973 | |
| 974 // Get array of TemplateParameters | |
| 975 if (flag || token.value != TOKrparen) | |
| 976 { | |
| 977 int isvariadic = 0; | |
| 978 | |
| 979 while (true) | |
| 980 { | |
| 981 TemplateParameter tp; | |
| 982 Identifier tp_ident = null; | |
| 983 Type tp_spectype = null; | |
| 984 Type tp_valtype = null; | |
| 985 Type tp_defaulttype = null; | |
| 986 Expression tp_specvalue = null; | |
| 987 Expression tp_defaultvalue = null; | |
| 988 Token* t; | |
| 989 | |
| 990 // Get TemplateParameter | |
| 991 | |
| 992 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 993 t = peek(&token); | |
| 994 if (token.value == TOKalias) | |
| 995 { | |
| 996 // AliasParameter | |
| 997 nextToken(); | |
| 998 Type spectype = null; | |
| 999 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 1000 { | |
| 1001 spectype = parseType(&tp_ident); | |
| 1002 } | |
| 1003 else | |
| 1004 { | |
| 1005 if (token.value != TOKidentifier) | |
| 1006 { | |
| 1007 error("identifier expected for template alias parameter"); | |
| 1008 goto Lerr; | |
| 1009 } | |
| 1010 tp_ident = token.ident; | |
| 1011 nextToken(); | |
| 1012 } | |
| 1013 Object spec = null; | |
| 1014 if (token.value == TOKcolon) // : Type | |
| 1015 { | |
| 1016 nextToken(); | |
| 1017 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1018 spec = parseType(); | |
| 1019 else | |
| 1020 spec = parseCondExp(); | |
| 1021 } | |
| 1022 Object def = null; | |
| 1023 if (token.value == TOKassign) // = Type | |
| 1024 { | |
| 1025 nextToken(); | |
| 1026 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1027 def = parseType(); | |
| 1028 else | |
| 1029 def = parseCondExp(); | |
| 1030 } | |
| 1031 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 1032 } | |
| 1033 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 1034 t.value == TOKcomma || t.value == TOKrparen) | |
| 1035 { // TypeParameter | |
| 1036 if (token.value != TOKidentifier) | |
| 1037 { error("identifier expected for template type parameter"); | |
| 1038 goto Lerr; | |
| 1039 } | |
| 1040 tp_ident = token.ident; | |
| 1041 nextToken(); | |
| 1042 if (token.value == TOKcolon) // : Type | |
| 1043 { | |
| 1044 nextToken(); | |
| 1045 tp_spectype = parseType(); | |
| 1046 } | |
| 1047 if (token.value == TOKassign) // = Type | |
| 1048 { | |
| 1049 nextToken(); | |
| 1050 tp_defaulttype = parseType(); | |
| 1051 } | |
| 1052 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1053 } | |
| 1054 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1055 { // ident... | |
| 1056 if (isvariadic) | |
| 1057 error("variadic template parameter must be last"); | |
| 1058 isvariadic = 1; | |
| 1059 tp_ident = token.ident; | |
| 1060 nextToken(); | |
| 1061 nextToken(); | |
| 1062 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1063 } | |
| 1064 /// version (DMDV2) { | |
| 1065 else if (token.value == TOKthis) | |
| 1066 { // ThisParameter | |
| 1067 nextToken(); | |
| 1068 if (token.value != TOKidentifier) | |
| 1069 { error("identifier expected for template this parameter"); | |
| 1070 goto Lerr; | |
| 1071 } | |
| 1072 tp_ident = token.ident; | |
| 1073 nextToken(); | |
| 1074 if (token.value == TOKcolon) // : Type | |
| 1075 { | |
| 1076 nextToken(); | |
| 1077 tp_spectype = parseType(); | |
| 1078 } | |
| 1079 if (token.value == TOKassign) // = Type | |
| 1080 { | |
| 1081 nextToken(); | |
| 1082 tp_defaulttype = parseType(); | |
| 1083 } | |
| 1084 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1085 } | |
| 1086 /// } | |
| 1087 else | |
| 1088 { // ValueParameter | |
| 1089 tp_valtype = parseType(&tp_ident); | |
| 1090 if (!tp_ident) | |
| 1091 { | |
| 1092 error("identifier expected for template value parameter"); | |
| 1093 tp_ident = new Identifier("error", TOKidentifier); | |
| 1094 } | |
| 1095 if (token.value == TOKcolon) // : CondExpression | |
| 1096 { | |
| 1097 nextToken(); | |
| 1098 tp_specvalue = parseCondExp(); | |
| 1099 } | |
| 1100 if (token.value == TOKassign) // = CondExpression | |
| 1101 { | |
| 1102 nextToken(); | |
| 1103 tp_defaultvalue = parseDefaultInitExp(); | |
| 1104 } | |
| 1105 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1106 } | |
|
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|
1107 tpl.push(tp); |
| 0 | 1108 if (token.value != TOKcomma) |
| 1109 break; | |
| 1110 nextToken(); | |
| 1111 } | |
| 1112 } | |
| 1113 check(TOKrparen); | |
| 1114 | |
| 1115 Lerr: | |
| 1116 return tpl; | |
| 1117 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1118 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1119 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1120 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1121 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1122 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
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diff
changeset
|
1123 * mixin a.b.c!(args).Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1124 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1125 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1126 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1127 |
| 0 | 1128 Dsymbol parseMixin() |
| 1129 { | |
| 13 | 1130 TemplateMixin tm; |
| 1131 Identifier id; | |
| 1132 Type tqual; | |
| 1133 Objects tiargs; | |
| 1134 Array idents; | |
| 1135 | |
| 1136 //printf("parseMixin()\n"); | |
| 1137 nextToken(); | |
| 1138 tqual = null; | |
| 1139 if (token.value == TOKdot) | |
| 1140 { | |
| 1141 id = Id.empty; | |
| 1142 } | |
| 1143 else | |
| 1144 { | |
| 1145 if (token.value == TOKtypeof) | |
| 1146 { | |
| 1147 tqual = parseTypeof(); | |
| 1148 check(TOKdot); | |
| 1149 } | |
| 1150 if (token.value != TOKidentifier) | |
| 1151 { | |
| 1152 error("identifier expected, not %s", token.toChars()); | |
| 1153 id = Id.empty; | |
| 1154 } | |
| 1155 else | |
| 1156 id = token.ident; | |
| 1157 nextToken(); | |
| 1158 } | |
| 1159 | |
| 1160 idents = new Array(); | |
| 1161 while (1) | |
| 1162 { | |
| 1163 tiargs = null; | |
| 1164 if (token.value == TOKnot) | |
| 1165 { | |
| 1166 nextToken(); | |
| 1167 if (token.value == TOKlparen) | |
| 1168 tiargs = parseTemplateArgumentList(); | |
| 1169 else | |
| 1170 tiargs = parseTemplateArgument(); | |
| 1171 } | |
| 1172 if (token.value != TOKdot) | |
| 1173 break; | |
| 1174 if (tiargs) | |
| 1175 { | |
| 1176 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1177 tempinst.tiargs = tiargs; | |
| 1178 id = cast(Identifier)tempinst; | |
| 1179 tiargs = null; | |
| 1180 } | |
| 1181 idents.push(cast(void*)id); | |
| 1182 nextToken(); | |
| 1183 if (token.value != TOKidentifier) | |
| 1184 { | |
| 1185 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1186 break; | |
| 1187 } | |
| 1188 id = token.ident; | |
| 1189 nextToken(); | |
| 1190 } | |
| 1191 idents.push(cast(void*)id); | |
| 1192 if (token.value == TOKidentifier) | |
| 1193 { | |
| 1194 id = token.ident; | |
| 1195 nextToken(); | |
| 1196 } | |
| 1197 else | |
| 1198 id = null; | |
| 1199 | |
| 1200 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1201 if (token.value != TOKsemicolon) | |
| 1202 error("';' expected after mixin"); | |
| 1203 nextToken(); | |
| 1204 return tm; | |
| 0 | 1205 } |
| 1206 | |
| 1207 /****************************************** | |
| 1208 * Parse template argument list. | |
| 1209 * Input: | |
| 1210 * current token is opening '(' | |
| 1211 * Output: | |
| 1212 * current token is one after closing ')' | |
| 1213 */ | |
| 1214 Objects parseTemplateArgumentList() | |
| 1215 { | |
| 1216 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1217 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1218 { | |
| 1219 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1220 return new Objects(); | |
| 1221 } | |
| 1222 return parseTemplateArgumentList2(); | |
| 1223 } | |
| 1224 | |
| 1225 Objects parseTemplateArgumentList2() | |
| 1226 { | |
| 1227 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1228 Objects tiargs = new Objects(); | |
| 1229 TOK endtok = TOKrparen; | |
| 1230 nextToken(); | |
| 1231 | |
| 1232 // Get TemplateArgumentList | |
| 1233 if (token.value != endtok) | |
| 1234 { | |
| 1235 while (1) | |
| 1236 { | |
| 1237 // See if it is an Expression or a Type | |
| 1238 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1239 { // Template argument is a type | |
| 1240 Type ta = parseType(); | |
|
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84
diff
changeset
|
1241 tiargs.push(ta); |
| 0 | 1242 } |
| 1243 else | |
| 1244 { // Template argument is an expression | |
| 1245 Expression ea = parseAssignExp(); | |
| 1246 | |
| 1247 if (ea.op == TOKfunction) | |
| 1248 { | |
| 1249 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1250 if (fd.type.ty == Tfunction) | |
| 1251 { | |
| 1252 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1253 /* If there are parameters that consist of only an identifier, | |
| 1254 * rather than assuming the identifier is a type, as we would | |
| 1255 * for regular function declarations, assume the identifier | |
| 1256 * is the parameter name, and we're building a template with | |
| 1257 * a deduced type. | |
| 1258 */ | |
| 1259 TemplateParameters tpl = null; | |
|
126
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ClassDeclarations, Arguments -> Vector
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125
diff
changeset
|
1260 foreach (param; tf.parameters) |
| 0 | 1261 { |
| 1262 if (param.ident is null && | |
| 1263 param.type && | |
| 1264 param.type.ty == Tident && | |
| 1265 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1266 ) | |
| 1267 { | |
| 1268 /* Switch parameter type to parameter identifier, | |
| 1269 * parameterize with template type parameter _T | |
| 1270 */ | |
|
126
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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125
diff
changeset
|
1271 auto pt = cast(TypeIdentifier)param.type; |
| 0 | 1272 param.ident = pt.ident; |
| 1273 Identifier id = Lexer.uniqueId("__T"); | |
| 1274 param.type = new TypeIdentifier(pt.loc, id); | |
|
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changeset
|
1275 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1276 if (!tpl) |
| 1277 tpl = new TemplateParameters(); | |
|
121
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diff
changeset
|
1278 tpl.push(tp); |
| 0 | 1279 } |
| 1280 } | |
| 1281 | |
| 1282 if (tpl) | |
| 1283 { | |
| 1284 // Wrap a template around function fd | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1285 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
|
1286 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1287 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1288 tempdecl.literal = 1; // it's a template 'literal' |
|
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diff
changeset
|
1289 tiargs.push(tempdecl); |
| 0 | 1290 goto L1; |
| 1291 } | |
| 1292 } | |
| 1293 } | |
| 1294 | |
|
94
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diff
changeset
|
1295 tiargs.push(ea); |
| 0 | 1296 } |
| 1297 L1: | |
| 1298 if (token.value != TOKcomma) | |
| 1299 break; | |
| 1300 nextToken(); | |
| 1301 } | |
| 1302 } | |
| 1303 check(endtok, "template argument list"); | |
| 1304 return tiargs; | |
| 1305 } | |
| 1306 | |
| 2 | 1307 /***************************** |
| 1308 * Parse single template argument, to support the syntax: | |
| 1309 * foo!arg | |
| 1310 * Input: | |
| 1311 * current token is the arg | |
| 1312 */ | |
| 0 | 1313 Objects parseTemplateArgument() |
| 1314 { | |
| 2 | 1315 //printf("parseTemplateArgument()\n"); |
| 1316 Objects tiargs = new Objects(); | |
| 1317 Type ta; | |
| 1318 switch (token.value) | |
| 1319 { | |
| 1320 case TOKidentifier: | |
| 1321 ta = new TypeIdentifier(loc, token.ident); | |
| 1322 goto LabelX; | |
| 1323 | |
| 1324 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1325 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1326 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1327 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1328 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1329 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1330 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1331 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1332 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1333 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1334 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1335 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1336 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1337 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1338 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1339 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1340 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1341 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1342 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1343 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1344 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1345 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1346 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1347 LabelX: | |
|
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diff
changeset
|
1348 tiargs.push(ta); |
| 2 | 1349 nextToken(); |
| 1350 break; | |
| 1351 | |
| 1352 case TOKint32v: | |
| 1353 case TOKuns32v: | |
| 1354 case TOKint64v: | |
| 1355 case TOKuns64v: | |
| 1356 case TOKfloat32v: | |
| 1357 case TOKfloat64v: | |
| 1358 case TOKfloat80v: | |
| 1359 case TOKimaginary32v: | |
| 1360 case TOKimaginary64v: | |
| 1361 case TOKimaginary80v: | |
| 1362 case TOKnull: | |
| 1363 case TOKtrue: | |
| 1364 case TOKfalse: | |
| 1365 case TOKcharv: | |
| 1366 case TOKwcharv: | |
| 1367 case TOKdcharv: | |
| 1368 case TOKstring: | |
| 1369 case TOKfile: | |
| 1370 case TOKline: | |
| 1371 { | |
| 1372 // Template argument is an expression | |
| 1373 Expression ea = parsePrimaryExp(); | |
|
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changeset
|
1374 tiargs.push(ea); |
| 2 | 1375 break; |
| 1376 } | |
| 1377 | |
| 1378 default: | |
| 1379 error("template argument expected following !"); | |
| 1380 break; | |
| 1381 } | |
| 1382 | |
| 1383 if (token.value == TOKnot) | |
| 1384 error("multiple ! arguments are not allowed"); | |
| 1385 return tiargs; | |
| 0 | 1386 } |
| 1387 | |
| 1388 /********************************** | |
| 1389 * Parse a static assertion. | |
| 1390 */ | |
| 1391 StaticAssert parseStaticAssert() | |
| 1392 { | |
| 1393 Loc loc = this.loc; | |
| 1394 Expression exp; | |
| 1395 Expression msg = null; | |
| 1396 | |
| 1397 //printf("parseStaticAssert()\n"); | |
| 1398 nextToken(); | |
| 1399 check(TOK.TOKlparen); | |
| 1400 exp = parseAssignExp(); | |
| 1401 if (token.value == TOK.TOKcomma) | |
| 1402 { | |
| 1403 nextToken(); | |
| 1404 msg = parseAssignExp(); | |
| 1405 } | |
| 1406 | |
| 1407 check(TOK.TOKrparen); | |
| 1408 check(TOK.TOKsemicolon); | |
| 1409 | |
| 1410 return new StaticAssert(loc, exp, msg); | |
| 1411 } | |
| 1412 | |
| 1413 TypeQualified parseTypeof() | |
| 1414 { | |
| 1415 TypeQualified t; | |
| 1416 Loc loc = this.loc; | |
| 1417 | |
| 1418 nextToken(); | |
| 1419 check(TOK.TOKlparen); | |
| 1420 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1421 { | |
| 1422 nextToken(); | |
| 1423 t = new TypeReturn(loc); | |
| 1424 } | |
| 1425 else | |
| 1426 { | |
| 1427 Expression exp = parseExpression(); // typeof(expression) | |
| 1428 t = new TypeTypeof(loc, exp); | |
| 1429 } | |
| 1430 check(TOK.TOKrparen); | |
| 1431 return t; | |
| 1432 } | |
| 1433 | |
| 1434 /*********************************** | |
| 1435 * Parse extern (linkage) | |
| 1436 * The parser is on the 'extern' token. | |
| 1437 */ | |
| 1438 LINK parseLinkage() | |
| 1439 { | |
| 1440 LINK link = LINK.LINKdefault; | |
| 1441 nextToken(); | |
| 1442 assert(token.value == TOK.TOKlparen); | |
| 1443 nextToken(); | |
| 1444 if (token.value == TOK.TOKidentifier) | |
| 1445 { | |
| 1446 Identifier id = token.ident; | |
| 1447 | |
| 1448 nextToken(); | |
| 1449 if (id == Id.Windows) | |
| 1450 link = LINK.LINKwindows; | |
| 1451 else if (id == Id.Pascal) | |
| 1452 link = LINK.LINKpascal; | |
| 1453 else if (id == Id.D) | |
| 1454 link = LINK.LINKd; | |
| 1455 else if (id == Id.C) | |
| 1456 { | |
| 1457 link = LINK.LINKc; | |
| 1458 if (token.value == TOK.TOKplusplus) | |
| 1459 { | |
| 1460 link = LINK.LINKcpp; | |
| 1461 nextToken(); | |
| 1462 } | |
| 1463 } | |
| 1464 else if (id == Id.System) | |
| 1465 { | |
| 114 | 1466 version (Windows) |
| 1467 { | |
| 0 | 1468 link = LINK.LINKwindows; |
| 114 | 1469 } |
| 1470 else | |
| 1471 { | |
| 0 | 1472 link = LINK.LINKc; |
| 1473 } | |
| 1474 } | |
| 1475 else | |
| 1476 { | |
| 1477 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1478 link = LINK.LINKd; | |
| 1479 } | |
| 1480 } | |
| 1481 else | |
| 1482 { | |
| 1483 link = LINK.LINKd; // default | |
| 1484 } | |
| 1485 check(TOK.TOKrparen); | |
| 1486 | |
| 1487 return link; | |
| 1488 } | |
| 1489 | |
| 1490 | |
| 1491 /************************************** | |
| 1492 * Parse a debug conditional | |
| 1493 */ | |
| 1494 Condition parseDebugCondition() | |
| 1495 { | |
| 1496 Condition c; | |
| 1497 | |
| 1498 if (token.value == TOK.TOKlparen) | |
| 1499 { | |
| 1500 nextToken(); | |
| 1501 uint level = 1; | |
| 1502 Identifier id = null; | |
| 1503 | |
| 1504 if (token.value == TOK.TOKidentifier) | |
| 1505 id = token.ident; | |
| 1506 else if (token.value == TOK.TOKint32v) | |
| 1507 level = cast(uint)token.uns64value; | |
| 1508 else | |
| 1509 error("identifier or integer expected, not %s", token.toChars()); | |
| 1510 | |
| 1511 nextToken(); | |
| 1512 check(TOK.TOKrparen); | |
| 1513 | |
| 1514 c = new DebugCondition(mod, level, id); | |
| 1515 } | |
| 1516 else | |
| 1517 c = new DebugCondition(mod, 1, null); | |
| 1518 | |
| 1519 return c; | |
| 1520 } | |
| 1521 | |
| 1522 /************************************** | |
| 1523 * Parse a version conditional | |
| 1524 */ | |
| 1525 Condition parseVersionCondition() | |
| 1526 { | |
| 1527 Condition c; | |
| 1528 uint level = 1; | |
| 1529 Identifier id = null; | |
| 1530 | |
| 1531 if (token.value == TOK.TOKlparen) | |
| 1532 { | |
| 1533 nextToken(); | |
| 1534 if (token.value == TOK.TOKidentifier) | |
| 1535 id = token.ident; | |
| 1536 else if (token.value == TOK.TOKint32v) | |
| 1537 level = cast(uint)token.uns64value; | |
| 1538 else { | |
| 1539 version (DMDV2) { | |
| 1540 /* Allow: | |
| 1541 * version (unittest) | |
| 1542 * even though unittest is a keyword | |
| 1543 */ | |
| 1544 if (token.value == TOK.TOKunittest) | |
| 1545 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1546 else | |
| 1547 error("identifier or integer expected, not %s", token.toChars()); | |
| 1548 } else { | |
| 1549 error("identifier or integer expected, not %s", token.toChars()); | |
| 1550 } | |
| 1551 } | |
| 1552 nextToken(); | |
| 1553 check(TOK.TOKrparen); | |
| 1554 } | |
| 1555 else | |
| 1556 error("(condition) expected following version"); | |
| 1557 | |
| 1558 c = new VersionCondition(mod, level, id); | |
| 1559 | |
| 1560 return c; | |
| 1561 } | |
| 1562 | |
| 1563 /*********************************************** | |
| 1564 * static if (expression) | |
| 1565 * body | |
| 1566 * else | |
| 1567 * body | |
| 1568 */ | |
| 1569 Condition parseStaticIfCondition() | |
| 1570 { | |
| 1571 Expression exp; | |
| 1572 Condition condition; | |
| 1573 Array aif; | |
| 1574 Array aelse; | |
| 1575 Loc loc = this.loc; | |
| 1576 | |
| 1577 nextToken(); | |
| 1578 if (token.value == TOKlparen) | |
| 1579 { | |
| 1580 nextToken(); | |
| 1581 exp = parseAssignExp(); | |
| 1582 check(TOKrparen); | |
| 1583 } | |
| 1584 else | |
| 1585 { | |
| 1586 error("(expression) expected following static if"); | |
| 1587 exp = null; | |
| 1588 } | |
| 1589 condition = new StaticIfCondition(loc, exp); | |
| 1590 return condition; | |
| 1591 } | |
| 1592 | |
| 1593 /***************************************** | |
| 1594 * Parse a constructor definition: | |
| 1595 * this(parameters) { body } | |
| 1596 * or postblit: | |
| 1597 * this(this) { body } | |
| 1598 * or constructor template: | |
| 1599 * this(templateparameters)(parameters) { body } | |
| 1600 * Current token is 'this'. | |
| 1601 */ | |
| 1602 | |
| 1603 Dsymbol parseCtor() | |
| 1604 { | |
| 1605 Loc loc = this.loc; | |
| 1606 | |
| 1607 nextToken(); | |
| 1608 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1609 { // this(this) { ... } | |
| 1610 nextToken(); | |
| 1611 nextToken(); | |
| 1612 check(TOK.TOKrparen); | |
|
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1613 auto f = new PostBlitDeclaration(loc, Loc(0)); |
| 0 | 1614 parseContracts(f); |
| 1615 return f; | |
| 1616 } | |
| 1617 | |
| 1618 /* Look ahead to see if: | |
| 1619 * this(...)(...) | |
| 1620 * which is a constructor template | |
| 1621 */ | |
| 1622 TemplateParameters tpl = null; | |
| 1623 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1624 { tpl = parseTemplateParameterList(); | |
| 1625 | |
| 1626 int varargs; | |
|
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1627 auto arguments = parseParameters(&varargs); |
| 0 | 1628 |
| 1629 Expression constraint = null; | |
| 1630 if (tpl) | |
| 1631 constraint = parseConstraint(); | |
| 1632 | |
| 1633 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1634 parseContracts(f); | |
| 1635 | |
| 1636 // Wrap a template around it | |
|
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1637 auto decldefs = new Dsymbols(); |
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1638 decldefs.push(f); |
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1639 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1640 return tempdecl; |
| 1641 } | |
| 1642 | |
| 1643 /* Just a regular constructor | |
| 1644 */ | |
| 1645 int varargs; | |
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1646 auto arguments = parseParameters(&varargs); |
| 0 | 1647 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); |
| 1648 parseContracts(f); | |
| 1649 return f; | |
| 1650 } | |
| 1651 | |
| 1652 PostBlitDeclaration parsePostBlit() | |
| 1653 { | |
| 1654 assert(false); | |
| 1655 } | |
| 1656 | |
| 1657 /***************************************** | |
| 1658 * Parse a destructor definition: | |
| 1659 * ~this() { body } | |
| 1660 * Current token is '~'. | |
| 1661 */ | |
| 1662 DtorDeclaration parseDtor() | |
| 1663 { | |
| 1664 DtorDeclaration f; | |
| 1665 Loc loc = this.loc; | |
| 1666 | |
| 1667 nextToken(); | |
| 1668 check(TOKthis); | |
| 1669 check(TOKlparen); | |
| 1670 check(TOKrparen); | |
| 1671 | |
| 1672 f = new DtorDeclaration(loc, Loc(0)); | |
| 1673 parseContracts(f); | |
| 1674 return f; | |
| 1675 } | |
| 1676 | |
| 1677 /***************************************** | |
| 1678 * Parse a static constructor definition: | |
| 1679 * static this() { body } | |
| 1680 * Current token is 'this'. | |
| 1681 */ | |
| 1682 StaticCtorDeclaration parseStaticCtor() | |
| 1683 { | |
| 1684 StaticCtorDeclaration f; | |
| 1685 Loc loc = this.loc; | |
| 1686 | |
| 1687 nextToken(); | |
| 1688 check(TOKlparen); | |
| 1689 check(TOKrparen); | |
| 1690 | |
| 1691 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1692 parseContracts(f); | |
| 1693 return f; | |
| 1694 } | |
| 1695 | |
| 1696 /***************************************** | |
| 1697 * Parse a static destructor definition: | |
| 1698 * static ~this() { body } | |
| 1699 * Current token is '~'. | |
| 1700 */ | |
| 1701 StaticDtorDeclaration parseStaticDtor() | |
| 1702 { | |
| 1703 StaticDtorDeclaration f; | |
| 1704 Loc loc = this.loc; | |
| 1705 | |
| 1706 nextToken(); | |
| 1707 check(TOKthis); | |
| 1708 check(TOKlparen); | |
| 1709 check(TOKrparen); | |
| 1710 | |
| 1711 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1712 parseContracts(f); | |
| 1713 return f; | |
| 1714 } | |
| 1715 | |
| 1716 /***************************************** | |
| 1717 * Parse an invariant definition: | |
| 1718 * invariant() { body } | |
| 1719 * Current token is 'invariant'. | |
| 1720 */ | |
| 1721 InvariantDeclaration parseInvariant() | |
| 1722 { | |
| 1723 InvariantDeclaration f; | |
| 1724 Loc loc = this.loc; | |
| 1725 | |
| 1726 nextToken(); | |
| 1727 if (token.value == TOKlparen) // optional () | |
| 1728 { | |
| 1729 nextToken(); | |
| 1730 check(TOKrparen); | |
| 1731 } | |
| 1732 | |
| 1733 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1734 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1735 return f; | |
| 1736 } | |
| 1737 | |
| 1738 /***************************************** | |
| 1739 * Parse a unittest definition: | |
| 1740 * unittest { body } | |
| 1741 * Current token is 'unittest'. | |
| 1742 */ | |
| 1743 UnitTestDeclaration parseUnitTest() | |
| 1744 { | |
| 1745 Loc loc = this.loc; | |
| 1746 | |
| 1747 nextToken(); | |
| 1748 | |
| 1749 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1750 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1751 | |
| 1752 return f; | |
| 1753 } | |
| 1754 | |
| 123 | 1755 /***************************************** |
| 1756 * Parse a new definition: | |
| 1757 * new(arguments) { body } | |
| 1758 * Current token is 'new'. | |
| 1759 */ | |
| 0 | 1760 NewDeclaration parseNew() |
| 1761 { | |
| 123 | 1762 NewDeclaration f; |
|
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1763 scope arguments = new Parameters(); |
| 123 | 1764 int varargs; |
| 1765 Loc loc = this.loc; | |
| 1766 | |
| 1767 nextToken(); | |
| 1768 arguments = parseParameters(&varargs); | |
| 1769 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1770 parseContracts(f); | |
| 1771 return f; | |
| 0 | 1772 } |
| 1773 | |
| 123 | 1774 /***************************************** |
| 1775 * Parse a delete definition: | |
| 1776 * delete(arguments) { body } | |
| 1777 * Current token is 'delete'. | |
| 1778 */ | |
| 0 | 1779 DeleteDeclaration parseDelete() |
| 1780 { | |
| 123 | 1781 DeleteDeclaration f; |
|
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1782 scope Parameters arguments; |
| 123 | 1783 int varargs; |
| 1784 Loc loc = this.loc; | |
| 1785 | |
| 1786 nextToken(); | |
| 1787 arguments = parseParameters(&varargs); | |
| 1788 if (varargs) | |
| 1789 error("... not allowed in delete function parameter list"); | |
| 1790 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1791 parseContracts(f); | |
| 1792 return f; | |
| 0 | 1793 } |
| 1794 | |
|
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1795 Parameters parseParameters(int* pvarargs) |
| 0 | 1796 { |
|
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1797 auto arguments = new Parameters(); |
| 0 | 1798 int varargs = 0; |
| 1799 int hasdefault = 0; | |
| 1800 | |
| 1801 check(TOK.TOKlparen); | |
| 1802 while (1) | |
| 1803 { Type *tb; | |
| 1804 Identifier ai = null; | |
| 1805 Type at; | |
|
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1806 Parameter a; |
| 0 | 1807 STC storageClass = STC.STCundefined; |
| 1808 STC stc; | |
| 1809 Expression ae; | |
| 1810 | |
| 1811 for ( ;1; nextToken()) | |
| 1812 { | |
| 1813 switch (token.value) | |
| 1814 { | |
| 1815 case TOK.TOKrparen: | |
| 1816 break; | |
| 1817 | |
| 1818 case TOK.TOKdotdotdot: | |
| 1819 varargs = 1; | |
| 1820 nextToken(); | |
| 1821 break; | |
| 1822 | |
| 1823 case TOK.TOKconst: | |
| 1824 if (peek(&token).value == TOK.TOKlparen) | |
| 1825 goto Ldefault; | |
| 1826 stc = STC.STCconst; | |
| 1827 goto L2; | |
| 1828 | |
| 1829 case TOK.TOKinvariant: | |
| 1830 case TOK.TOKimmutable: | |
| 1831 if (peek(&token).value == TOK.TOKlparen) | |
| 1832 goto Ldefault; | |
| 1833 stc = STC.STCimmutable; | |
| 1834 goto L2; | |
| 1835 | |
| 1836 case TOK.TOKshared: | |
| 1837 if (peek(&token).value == TOK.TOKlparen) | |
| 1838 goto Ldefault; | |
| 1839 stc = STC.STCshared; | |
| 1840 goto L2; | |
| 1841 | |
| 1842 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1843 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1844 case TOK.TOKinout: | |
| 1845 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1846 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1847 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1848 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1849 L2: | |
| 1850 if (storageClass & stc || | |
| 1851 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1852 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1853 ) | |
| 1854 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1855 storageClass |= stc; | |
| 1856 composeStorageClass(storageClass); | |
| 1857 continue; | |
| 1858 | |
| 1859 static if (false) { | |
| 1860 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1861 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1862 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1863 L4: | |
| 1864 nextToken(); | |
| 1865 if (token.value == TOK.TOKidentifier) | |
| 1866 { ai = token.ident; | |
| 1867 nextToken(); | |
| 1868 } | |
| 1869 else | |
| 1870 ai = null; | |
| 1871 at = null; // no type | |
| 1872 ae = null; // no default argument | |
| 1873 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1874 { nextToken(); | |
| 1875 ae = parseDefaultInitExp(); | |
| 1876 hasdefault = 1; | |
| 1877 } | |
| 1878 else | |
| 1879 { if (hasdefault) | |
| 1880 error("default argument expected for alias %s", | |
| 1881 ai ? ai.toChars() : ""); | |
| 1882 } | |
| 1883 goto L3; | |
| 1884 } | |
| 1885 | |
| 1886 default: | |
| 1887 Ldefault: | |
| 1888 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1889 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1890 error("incompatible parameter storage classes"); | |
| 1891 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1892 error("out cannot be const"); | |
| 1893 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1894 error("out cannot be immutable"); | |
| 1895 if ((storageClass & STC.STCscope) && | |
| 1896 (storageClass & (STC.STCref | STC.STCout))) | |
| 1897 error("scope cannot be ref or out"); | |
| 1898 at = parseType(&ai); | |
| 1899 ae = null; | |
| 1900 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1901 { nextToken(); | |
| 1902 ae = parseDefaultInitExp(); | |
| 1903 hasdefault = 1; | |
| 1904 } | |
| 1905 else | |
| 1906 { if (hasdefault) | |
| 1907 error("default argument expected for %s", | |
| 1908 ai ? ai.toChars() : at.toChars()); | |
| 1909 } | |
| 1910 if (token.value == TOK.TOKdotdotdot) | |
| 1911 { /* This is: | |
| 1912 * at ai ... | |
| 1913 */ | |
| 1914 | |
| 1915 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1916 error("variadic argument cannot be out or ref"); | |
| 1917 varargs = 2; | |
|
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1918 a = new Parameter(storageClass, at, ai, ae); |
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1919 arguments.push(a); |
| 0 | 1920 nextToken(); |
| 1921 break; | |
| 1922 } | |
| 1923 L3: | |
|
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1924 a = new Parameter(storageClass, at, ai, ae); |
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1925 arguments.push(a); |
| 0 | 1926 if (token.value == TOK.TOKcomma) |
| 1927 { nextToken(); | |
| 1928 goto L1; | |
| 1929 } | |
| 1930 break; | |
| 1931 } | |
| 1932 break; | |
| 1933 } | |
| 1934 break; | |
| 1935 | |
| 1936 L1: ; | |
| 1937 } | |
| 1938 check(TOK.TOKrparen); | |
| 1939 *pvarargs = varargs; | |
| 1940 return arguments; | |
| 1941 } | |
| 1942 | |
| 1943 EnumDeclaration parseEnum() | |
| 1944 { | |
| 1945 EnumDeclaration e; | |
| 1946 Identifier id; | |
| 1947 Type memtype; | |
| 1948 Loc loc = this.loc; | |
| 1949 | |
| 1950 //printf("Parser.parseEnum()\n"); | |
| 1951 nextToken(); | |
| 1952 if (token.value == TOK.TOKidentifier) | |
| 1953 { | |
| 1954 id = token.ident; | |
| 1955 nextToken(); | |
| 1956 } | |
| 1957 else | |
| 1958 id = null; | |
| 1959 | |
| 1960 if (token.value == TOK.TOKcolon) | |
| 1961 { | |
| 1962 nextToken(); | |
| 1963 memtype = parseBasicType(); | |
| 1964 memtype = parseDeclarator(memtype, null, null); | |
| 1965 } | |
| 1966 else | |
| 1967 memtype = null; | |
| 1968 | |
| 1969 e = new EnumDeclaration(loc, id, memtype); | |
| 1970 if (token.value == TOK.TOKsemicolon && id) | |
| 1971 nextToken(); | |
| 1972 else if (token.value == TOK.TOKlcurly) | |
| 1973 { | |
| 1974 //printf("enum definition\n"); | |
|
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1975 e.members = new Dsymbols(); |
| 0 | 1976 nextToken(); |
| 79 | 1977 string comment = token.blockComment; |
| 0 | 1978 while (token.value != TOK.TOKrcurly) |
| 1979 { | |
| 1980 /* Can take the following forms: | |
| 1981 * 1. ident | |
| 1982 * 2. ident = value | |
| 1983 * 3. type ident = value | |
| 1984 */ | |
| 1985 | |
| 1986 loc = this.loc; | |
| 1987 | |
| 1988 Type type = null; | |
| 1989 Identifier ident; | |
| 1990 Token* tp = peek(&token); | |
| 1991 if (token.value == TOK.TOKidentifier && | |
| 1992 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1993 { | |
| 1994 ident = token.ident; | |
| 1995 type = null; | |
| 1996 nextToken(); | |
| 1997 } | |
| 1998 else | |
| 1999 { | |
| 2000 type = parseType(&ident, null); | |
| 2001 if (id || memtype) | |
| 2002 error("type only allowed if anonymous enum and no enum type"); | |
| 2003 } | |
| 2004 | |
| 2005 Expression value; | |
| 2006 if (token.value == TOK.TOKassign) | |
| 2007 { | |
| 2008 nextToken(); | |
| 2009 value = parseAssignExp(); | |
| 2010 } | |
| 2011 else | |
| 2012 { | |
| 2013 value = null; | |
| 2014 if (type) | |
| 2015 error("if type, there must be an initializer"); | |
| 2016 } | |
| 2017 | |
|
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2018 auto em = new EnumMember(loc, ident, value, type); |
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2019 e.members.push(em); |
| 0 | 2020 |
| 2021 if (token.value == TOK.TOKrcurly) { | |
| 2022 ; | |
| 2023 } else { | |
| 2024 addComment(em, comment); | |
| 2025 comment = null; | |
| 2026 check(TOK.TOKcomma); | |
| 2027 } | |
| 2028 addComment(em, comment); | |
| 2029 comment = token.blockComment; | |
| 2030 } | |
| 2031 nextToken(); | |
| 2032 } | |
| 2033 else | |
| 2034 error("enum declaration is invalid"); | |
| 2035 | |
| 2036 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2037 return e; | |
| 2038 } | |
| 2039 | |
| 2040 Dsymbol parseAggregate() | |
| 2041 { | |
| 2042 AggregateDeclaration a = null; | |
| 2043 int anon = 0; | |
| 2044 TOK tok; | |
| 2045 Identifier id; | |
| 2046 TemplateParameters tpl = null; | |
| 2047 Expression constraint = null; | |
| 2048 | |
| 2049 //printf("Parser.parseAggregate()\n"); | |
| 2050 tok = token.value; | |
| 2051 nextToken(); | |
| 2052 if (token.value != TOK.TOKidentifier) | |
| 2053 { | |
| 2054 id = null; | |
| 2055 } | |
| 2056 else | |
| 2057 { | |
| 2058 id = token.ident; | |
| 2059 nextToken(); | |
| 2060 | |
| 2061 if (token.value == TOK.TOKlparen) | |
| 2062 { | |
| 2063 // Class template declaration. | |
| 2064 | |
| 2065 // Gather template parameter list | |
| 2066 tpl = parseTemplateParameterList(); | |
| 2067 constraint = parseConstraint(); | |
| 2068 } | |
| 2069 } | |
| 2070 | |
| 2071 Loc loc = this.loc; | |
| 2072 switch (tok) | |
| 2073 { case TOK.TOKclass: | |
| 2074 case TOK.TOKinterface: | |
| 2075 { | |
| 2076 if (!id) | |
| 2077 error("anonymous classes not allowed"); | |
| 2078 | |
| 2079 // Collect base class(es) | |
| 2080 BaseClasses baseclasses = null; | |
| 2081 if (token.value == TOK.TOKcolon) | |
| 2082 { | |
| 2083 nextToken(); | |
| 2084 baseclasses = parseBaseClasses(); | |
| 2085 | |
| 2086 if (token.value != TOK.TOKlcurly) | |
| 2087 error("members expected"); | |
| 2088 } | |
| 2089 | |
| 2090 if (tok == TOK.TOKclass) | |
| 2091 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2092 else | |
| 2093 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2094 break; | |
| 2095 } | |
| 2096 | |
| 2097 case TOK.TOKstruct: | |
| 2098 if (id) | |
| 2099 a = new StructDeclaration(loc, id); | |
| 2100 else | |
| 2101 anon = 1; | |
| 2102 break; | |
| 2103 | |
| 2104 case TOK.TOKunion: | |
| 2105 if (id) | |
| 2106 a = new UnionDeclaration(loc, id); | |
| 2107 else | |
| 2108 anon = 2; | |
| 2109 break; | |
| 2110 | |
| 2111 default: | |
| 2112 assert(0); | |
| 2113 break; | |
| 2114 } | |
| 2115 if (a && token.value == TOK.TOKsemicolon) | |
| 2116 { nextToken(); | |
| 2117 } | |
| 2118 else if (token.value == TOK.TOKlcurly) | |
| 2119 { | |
| 2120 //printf("aggregate definition\n"); | |
| 2121 nextToken(); | |
|
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|
2122 auto decl = parseDeclDefs(0); |
| 0 | 2123 if (token.value != TOK.TOKrcurly) |
| 2124 error("} expected following member declarations in aggregate"); | |
| 2125 nextToken(); | |
| 2126 if (anon) | |
| 2127 { | |
| 2128 /* Anonymous structs/unions are more like attributes. | |
| 2129 */ | |
| 2130 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2131 } | |
| 2132 else | |
| 2133 a.members = decl; | |
| 2134 } | |
| 2135 else | |
| 2136 { | |
| 2137 error("{ } expected following aggregate declaration"); | |
| 2138 a = new StructDeclaration(loc, null); | |
| 2139 } | |
| 2140 | |
| 2141 if (tpl) | |
| 2142 { // Wrap a template around the aggregate declaration | |
| 2143 | |
|
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|
2144 auto decldefs = new Dsymbols(); |
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|
2145 decldefs.push(a); |
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|
2146 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2147 return tempdecl; |
| 2148 } | |
| 2149 | |
| 2150 return a; | |
| 2151 } | |
| 2152 | |
| 2153 BaseClasses parseBaseClasses() | |
| 2154 { | |
| 2155 BaseClasses baseclasses = new BaseClasses(); | |
| 2156 | |
| 2157 for (; 1; nextToken()) | |
| 2158 { | |
| 2159 PROT protection = PROT.PROTpublic; | |
| 2160 switch (token.value) | |
| 2161 { | |
| 2162 case TOK.TOKprivate: | |
| 2163 protection = PROT.PROTprivate; | |
| 2164 nextToken(); | |
| 2165 break; | |
| 2166 case TOK.TOKpackage: | |
| 2167 protection = PROT.PROTpackage; | |
| 2168 nextToken(); | |
| 2169 break; | |
| 2170 case TOK.TOKprotected: | |
| 2171 protection = PROT.PROTprotected; | |
| 2172 nextToken(); | |
| 2173 break; | |
| 2174 case TOK.TOKpublic: | |
| 2175 protection = PROT.PROTpublic; | |
| 2176 nextToken(); | |
| 2177 break; | |
| 2178 default: | |
| 2179 break; /// | |
| 2180 } | |
| 2181 if (token.value == TOK.TOKidentifier) | |
| 2182 { | |
|
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|
2183 auto b = new BaseClass(parseBasicType(), protection); |
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|
2184 baseclasses.push(b); |
| 0 | 2185 if (token.value != TOK.TOKcomma) |
| 2186 break; | |
| 2187 } | |
| 2188 else | |
| 2189 { | |
| 2190 error("base classes expected instead of %s", token.toChars()); | |
| 2191 return null; | |
| 2192 } | |
| 2193 } | |
| 2194 return baseclasses; | |
| 2195 } | |
| 2196 | |
|
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diff
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|
2197 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2198 { |
| 2199 Import s; | |
| 2200 Identifier id; | |
| 2201 Identifier aliasid = null; | |
|
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|
2202 Identifiers a; |
| 0 | 2203 Loc loc; |
| 2204 | |
| 2205 //printf("Parser.parseImport()\n"); | |
| 2206 do | |
| 2207 { | |
| 2208 L1: | |
| 2209 nextToken(); | |
| 2210 if (token.value != TOK.TOKidentifier) | |
| 2211 { | |
| 2212 error("Identifier expected following import"); | |
| 2213 break; | |
| 2214 } | |
| 2215 | |
| 2216 loc = this.loc; | |
| 2217 a = null; | |
| 2218 id = token.ident; | |
| 2219 nextToken(); | |
| 2220 if (!aliasid && token.value == TOK.TOKassign) | |
| 2221 { | |
| 2222 aliasid = id; | |
| 2223 goto L1; | |
| 2224 } | |
| 2225 while (token.value == TOK.TOKdot) | |
| 2226 { | |
| 2227 if (!a) | |
|
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|
2228 a = new Identifiers(); |
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|
2229 a.push(id); |
| 0 | 2230 nextToken(); |
| 2231 if (token.value != TOK.TOKidentifier) | |
| 2232 { | |
| 2233 error("identifier expected following package"); | |
| 2234 break; | |
| 2235 } | |
| 2236 id = token.ident; | |
| 2237 nextToken(); | |
| 2238 } | |
| 2239 | |
| 2240 s = new Import(loc, a, id, aliasid, isstatic); | |
|
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diff
changeset
|
2241 decldefs.push(s); |
| 0 | 2242 |
| 2243 /* Look for | |
| 2244 * : alias=name, alias=name; | |
| 2245 * syntax. | |
| 2246 */ | |
| 2247 if (token.value == TOK.TOKcolon) | |
| 2248 { | |
| 2249 do | |
| 2250 { | |
| 2251 Identifier name; | |
| 2252 | |
| 2253 nextToken(); | |
| 2254 if (token.value != TOK.TOKidentifier) | |
| 2255 { | |
| 2256 error("Identifier expected following :"); | |
| 2257 break; | |
| 2258 } | |
| 2259 Identifier alias_ = token.ident; | |
| 2260 nextToken(); | |
| 2261 if (token.value == TOK.TOKassign) | |
| 2262 { | |
| 2263 nextToken(); | |
| 2264 if (token.value != TOK.TOKidentifier) | |
| 2265 { | |
| 2266 error("Identifier expected following %s=", alias_.toChars()); | |
| 2267 break; | |
| 2268 } | |
| 2269 name = token.ident; | |
| 2270 nextToken(); | |
| 2271 } | |
| 2272 else | |
| 2273 { | |
| 2274 name = alias_; | |
| 2275 alias_ = null; | |
| 2276 } | |
| 2277 s.addAlias(name, alias_); | |
| 2278 } while (token.value == TOK.TOKcomma); | |
| 2279 | |
| 2280 break; // no comma-separated imports of this form | |
| 2281 } | |
| 2282 | |
| 2283 aliasid = null; | |
| 2284 | |
| 2285 } while (token.value == TOK.TOKcomma); | |
| 2286 | |
| 2287 if (token.value == TOK.TOKsemicolon) | |
| 2288 nextToken(); | |
| 2289 else | |
| 2290 { | |
| 2291 error("';' expected"); | |
| 2292 nextToken(); | |
| 2293 } | |
| 2294 | |
| 2295 return null; | |
| 2296 } | |
| 2297 | |
| 2298 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2299 { | |
| 2300 Type t; | |
| 2301 | |
| 2302 /* Take care of the storage class prefixes that | |
| 2303 * serve as type attributes: | |
| 2304 * const shared, shared const, const, invariant, shared | |
| 2305 */ | |
| 2306 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2307 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2308 { | |
| 2309 nextToken(); | |
| 2310 nextToken(); | |
| 2311 /* shared const type | |
| 2312 */ | |
| 2313 t = parseType(pident, tpl); | |
| 2314 t = t.makeSharedConst(); | |
| 2315 return t; | |
| 2316 } | |
| 2317 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2318 { | |
| 2319 nextToken(); | |
| 2320 /* const type | |
| 2321 */ | |
| 2322 t = parseType(pident, tpl); | |
| 2323 t = t.makeConst(); | |
| 2324 return t; | |
| 2325 } | |
| 2326 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2327 peekNext() != TOK.TOKlparen) | |
| 2328 { | |
| 2329 nextToken(); | |
| 2330 /* invariant type | |
| 2331 */ | |
| 2332 t = parseType(pident, tpl); | |
| 2333 t = t.makeInvariant(); | |
| 2334 return t; | |
| 2335 } | |
| 2336 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2337 { | |
| 2338 nextToken(); | |
| 2339 /* shared type | |
| 2340 */ | |
| 2341 t = parseType(pident, tpl); | |
| 2342 t = t.makeShared(); | |
| 2343 return t; | |
| 2344 } | |
| 2345 else | |
| 2346 t = parseBasicType(); | |
| 2347 t = parseDeclarator(t, pident, tpl); | |
| 2348 return t; | |
| 2349 } | |
| 2350 | |
| 2351 Type parseBasicType() | |
| 2352 { | |
| 2353 Type t; | |
| 2354 Identifier id; | |
| 2355 TypeQualified tid; | |
| 2356 | |
| 2357 //printf("parseBasicType()\n"); | |
| 2358 switch (token.value) | |
| 2359 { | |
| 2360 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2361 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2362 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2363 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2364 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2365 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2366 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2367 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2368 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2369 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2370 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2371 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2372 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2373 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2374 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2375 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2376 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2377 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2378 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2379 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2380 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2381 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2382 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2383 LabelX: | |
| 2384 nextToken(); | |
| 2385 break; | |
| 2386 | |
| 2387 case TOK.TOKidentifier: | |
| 2388 id = token.ident; | |
| 2389 nextToken(); | |
| 2390 if (token.value == TOK.TOKnot) | |
| 2391 { // ident!(template_arguments) | |
| 2392 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2393 nextToken(); | |
| 2394 if (token.value == TOK.TOKlparen) | |
| 2395 // ident!(template_arguments) | |
| 2396 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2397 else | |
| 2398 // ident!template_argument | |
| 2399 tempinst.tiargs = parseTemplateArgument(); | |
| 2400 tid = new TypeInstance(loc, tempinst); | |
| 2401 goto Lident2; | |
| 2402 } | |
| 2403 Lident: | |
| 2404 tid = new TypeIdentifier(loc, id); | |
| 2405 Lident2: | |
| 2406 while (token.value == TOK.TOKdot) | |
| 2407 { nextToken(); | |
| 2408 if (token.value != TOK.TOKidentifier) | |
| 2409 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2410 break; | |
| 2411 } | |
| 2412 id = token.ident; | |
| 2413 nextToken(); | |
| 2414 if (token.value == TOK.TOKnot) | |
| 2415 { | |
| 2416 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2417 nextToken(); | |
| 2418 if (token.value == TOK.TOKlparen) | |
| 2419 // ident!(template_arguments) | |
| 2420 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2421 else | |
| 2422 // ident!template_argument | |
| 2423 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2424 tid.addIdent(tempinst); |
| 0 | 2425 } |
| 2426 else | |
| 2427 tid.addIdent(id); | |
| 2428 } | |
| 2429 t = tid; | |
| 2430 break; | |
| 2431 | |
| 2432 case TOK.TOKdot: | |
| 2433 // Leading . as in .foo | |
| 2434 id = Id.empty; | |
| 2435 goto Lident; | |
| 2436 | |
| 2437 case TOK.TOKtypeof: | |
| 2438 // typeof(expression) | |
| 2439 tid = parseTypeof(); | |
| 2440 goto Lident2; | |
| 2441 | |
| 2442 case TOK.TOKconst: | |
| 2443 // const(type) | |
| 2444 nextToken(); | |
| 2445 check(TOK.TOKlparen); | |
| 2446 t = parseType(); | |
| 2447 check(TOK.TOKrparen); | |
| 2448 if (t.isShared()) | |
| 2449 t = t.makeSharedConst(); | |
| 2450 else | |
| 2451 t = t.makeConst(); | |
| 2452 break; | |
| 2453 | |
| 2454 case TOK.TOKinvariant: | |
| 2455 case TOK.TOKimmutable: | |
| 2456 // invariant(type) | |
| 2457 nextToken(); | |
| 2458 check(TOK.TOKlparen); | |
| 2459 t = parseType(); | |
| 2460 check(TOK.TOKrparen); | |
| 2461 t = t.makeInvariant(); | |
| 2462 break; | |
| 2463 | |
| 2464 case TOK.TOKshared: | |
| 2465 // shared(type) | |
| 2466 nextToken(); | |
| 2467 check(TOK.TOKlparen); | |
| 2468 t = parseType(); | |
| 2469 check(TOK.TOKrparen); | |
| 2470 if (t.isConst()) | |
| 2471 t = t.makeSharedConst(); | |
| 2472 else | |
| 2473 t = t.makeShared(); | |
| 2474 break; | |
| 2475 | |
| 2476 default: | |
| 2477 error("basic type expected, not %s", token.toChars()); | |
| 2478 t = Type.tint32; | |
| 2479 break; | |
| 2480 } | |
| 2481 return t; | |
| 2482 } | |
| 2483 | |
| 2484 Type parseBasicType2(Type t) | |
| 2485 { | |
| 79 | 2486 //writef("parseBasicType2()\n"); |
| 0 | 2487 while (1) |
| 2488 { | |
| 79 | 2489 switch (token.value) |
| 0 | 2490 { |
| 79 | 2491 case TOK.TOKmul: |
| 2492 t = new TypePointer(t); | |
| 2493 nextToken(); | |
| 2494 continue; | |
| 2495 | |
| 2496 case TOK.TOKlbracket: | |
| 2497 // Handle []. Make sure things like | |
| 2498 // int[3][1] a; | |
| 2499 // is (array[1] of array[3] of int) | |
| 0 | 2500 nextToken(); |
| 79 | 2501 if (token.value == TOK.TOKrbracket) |
| 2502 { | |
| 2503 t = new TypeDArray(t); // [] | |
| 2504 nextToken(); | |
| 2505 } | |
| 2506 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2507 { |
| 79 | 2508 t = new TypeNewArray(t); // [new] |
| 2509 nextToken(); | |
| 2510 nextToken(); | |
| 2511 } | |
| 2512 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2513 { // It's an associative array declaration | |
| 2514 | |
| 2515 //printf("it's an associative array\n"); | |
| 2516 Type index = parseType(); // [ type ] | |
| 2517 t = new TypeAArray(t, index); | |
| 2518 check(TOK.TOKrbracket); | |
| 0 | 2519 } |
| 2520 else | |
| 79 | 2521 { |
| 2522 //printf("it's type[expression]\n"); | |
| 2523 inBrackets++; | |
|
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2524 Expression e = parseAssignExp(); // [ expression ] |
| 79 | 2525 if (token.value == TOK.TOKslice) |
| 2526 { | |
| 2527 nextToken(); | |
|
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|
2528 Expression e2 = parseAssignExp(); // [ exp .. exp ] |
| 79 | 2529 t = new TypeSlice(t, e, e2); |
| 2530 } | |
| 2531 else | |
| 2532 t = new TypeSArray(t,e); | |
| 2533 inBrackets--; | |
| 2534 check(TOK.TOKrbracket); | |
| 2535 } | |
| 2536 continue; | |
| 2537 | |
| 2538 case TOK.TOKdelegate: | |
| 2539 case TOK.TOKfunction: | |
| 2540 { // Handle delegate declaration: | |
| 2541 // t delegate(parameter list) nothrow pure | |
| 2542 // t function(parameter list) nothrow pure | |
|
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|
2543 Parameters arguments; |
| 79 | 2544 int varargs; |
| 2545 bool ispure = false; | |
| 2546 bool isnothrow = false; | |
|
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|
2547 bool isproperty = false; |
| 79 | 2548 TOK save = token.value; |
|
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2549 TRUST trust = TRUSTdefault; |
| 79 | 2550 |
| 2551 nextToken(); | |
| 2552 arguments = parseParameters(&varargs); | |
| 2553 while (1) | |
| 2554 { // Postfixes | |
| 2555 if (token.value == TOK.TOKpure) | |
|
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2556 ispure = true; |
| 79 | 2557 else if (token.value == TOK.TOKnothrow) |
|
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2558 isnothrow = true; |
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2559 else if (token.value == TOKat) |
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2560 { STC stc = parseAttribute(); |
|
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2561 switch (cast(uint)(stc >> 32)) |
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2562 { case STCproperty >> 32: |
|
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2563 isproperty = true; |
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2564 break; |
|
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|
2565 case STCsafe >> 32: |
|
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2566 trust = TRUSTsafe; |
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|
2567 break; |
|
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2568 case STCsystem >> 32: |
|
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2569 trust = TRUSTsystem; |
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2570 break; |
|
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2571 case STCtrusted >> 32: |
|
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2572 trust = TRUSTtrusted; |
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2573 break; |
|
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|
2574 case 0: |
|
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2575 break; |
|
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2576 default: |
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|
2577 assert(0); |
|
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2578 } |
|
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2579 } |
| 79 | 2580 else |
|
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|
2581 break; |
| 79 | 2582 nextToken(); |
| 2583 } | |
| 2584 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2585 tf.ispure = ispure; | |
| 2586 tf.isnothrow = isnothrow; | |
|
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|
2587 tf.isproperty = isproperty; |
|
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|
2588 tf.trust = trust; |
| 79 | 2589 if (save == TOK.TOKdelegate) |
| 2590 t = new TypeDelegate(tf); | |
| 0 | 2591 else |
| 79 | 2592 t = new TypePointer(tf); // pointer to function |
| 2593 continue; | |
| 2594 } | |
| 2595 | |
| 2596 default: | |
| 2597 return t; | |
| 2598 } | |
| 2599 assert(0); | |
| 0 | 2600 } |
| 2601 assert(0); | |
| 2602 return null; | |
| 2603 } | |
| 2604 | |
| 2605 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2606 { | |
| 2607 Type ts; | |
| 2608 | |
| 2609 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2610 t = parseBasicType2(t); | |
| 2611 | |
| 2612 switch (token.value) | |
| 2613 { | |
| 2614 | |
| 2615 case TOK.TOKidentifier: | |
| 2616 if (pident) | |
| 2617 *pident = token.ident; | |
| 2618 else | |
| 2619 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2620 ts = t; | |
| 2621 nextToken(); | |
| 2622 break; | |
| 2623 | |
| 2624 case TOK.TOKlparen: | |
| 2625 /* Parse things with parentheses around the identifier, like: | |
| 2626 * int (*ident[3])[] | |
| 2627 * although the D style would be: | |
| 2628 * int[]*[3] ident | |
| 2629 */ | |
| 2630 nextToken(); | |
| 2631 ts = parseDeclarator(t, pident); | |
| 2632 check(TOK.TOKrparen); | |
| 2633 break; | |
| 2634 | |
| 2635 default: | |
| 2636 ts = t; | |
| 2637 break; | |
| 2638 } | |
| 2639 | |
| 2640 // parse DeclaratorSuffixes | |
| 2641 while (1) | |
| 2642 { | |
| 2643 switch (token.value) | |
| 2644 { | |
| 2645 version (CARRAYDECL) { | |
| 2646 /* Support C style array syntax: | |
| 2647 * int ident[] | |
| 2648 * as opposed to D-style: | |
| 2649 * int[] ident | |
| 2650 */ | |
| 2651 case TOK.TOKlbracket: | |
| 2652 { // This is the old C-style post [] syntax. | |
| 2653 TypeNext ta; | |
| 2654 nextToken(); | |
| 2655 if (token.value == TOK.TOKrbracket) | |
| 2656 { // It's a dynamic array | |
| 2657 ta = new TypeDArray(t); // [] | |
| 2658 nextToken(); | |
| 2659 } | |
| 79 | 2660 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2661 { | |
| 2662 t = new TypeNewArray(t); // [new] | |
| 2663 nextToken(); | |
| 2664 nextToken(); | |
| 2665 } | |
| 0 | 2666 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2667 { // It's an associative array | |
| 2668 | |
| 2669 //printf("it's an associative array\n"); | |
| 2670 Type index = parseType(); // [ type ] | |
| 2671 check(TOK.TOKrbracket); | |
| 2672 ta = new TypeAArray(t, index); | |
| 2673 } | |
| 2674 else | |
| 2675 { | |
| 2676 //printf("It's a static array\n"); | |
|
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|
2677 Expression e = parseAssignExp(); // [ expression ] |
| 0 | 2678 ta = new TypeSArray(t, e); |
| 2679 check(TOK.TOKrbracket); | |
| 2680 } | |
| 2681 | |
| 2682 /* Insert ta into | |
| 2683 * ts . ... . t | |
| 2684 * so that | |
| 2685 * ts . ... . ta . t | |
| 2686 */ | |
| 2687 Type* pt; | |
| 2688 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2689 ; | |
| 2690 } | |
| 2691 *pt = ta; | |
| 2692 continue; | |
| 2693 } | |
| 2694 } | |
| 2695 case TOK.TOKlparen: | |
| 2696 { | |
| 2697 if (tpl) | |
| 2698 { | |
| 2699 /* Look ahead to see if this is (...)(...), | |
| 2700 * i.e. a function template declaration | |
| 2701 */ | |
| 2702 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2703 { | |
| 2704 //printf("function template declaration\n"); | |
| 2705 | |
| 2706 // Gather template parameter list | |
| 2707 *tpl = parseTemplateParameterList(); | |
| 2708 } | |
| 2709 } | |
| 2710 | |
| 2711 int varargs; | |
|
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|
2712 auto arguments = parseParameters(&varargs); |
| 0 | 2713 Type tf = new TypeFunction(arguments, t, varargs, linkage); |
| 2714 | |
| 2715 /* Parse const/invariant/nothrow/pure postfix | |
| 2716 */ | |
| 2717 while (1) | |
| 2718 { | |
| 2719 switch (token.value) | |
| 2720 { | |
| 2721 case TOK.TOKconst: | |
| 2722 if (tf.isShared()) | |
| 2723 tf = tf.makeSharedConst(); | |
| 2724 else | |
| 2725 tf = tf.makeConst(); | |
| 2726 nextToken(); | |
| 2727 continue; | |
| 2728 | |
| 2729 case TOK.TOKinvariant: | |
| 2730 case TOK.TOKimmutable: | |
| 2731 tf = tf.makeInvariant(); | |
| 2732 nextToken(); | |
| 2733 continue; | |
| 2734 | |
| 2735 case TOK.TOKshared: | |
| 2736 if (tf.isConst()) | |
| 2737 tf = tf.makeSharedConst(); | |
| 2738 else | |
| 2739 tf = tf.makeShared(); | |
| 2740 nextToken(); | |
| 2741 continue; | |
| 2742 | |
| 2743 case TOK.TOKnothrow: | |
| 2744 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2745 nextToken(); | |
| 2746 continue; | |
| 2747 | |
| 2748 case TOK.TOKpure: | |
| 2749 (cast(TypeFunction)tf).ispure = 1; | |
| 2750 nextToken(); | |
| 2751 continue; | |
| 2752 | |
| 2753 case TOK.TOKat: | |
|
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|
2754 { |
|
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diff
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|
2755 STC stc = parseAttribute(); |
|
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diff
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|
2756 auto tfunc = cast(TypeFunction)tf; |
|
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diff
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|
2757 switch (cast(uint)(stc >> 32)) |
|
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diff
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|
2758 { |
|
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diff
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|
2759 case STCproperty >> 32: |
|
60bb0fe4563e
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diff
changeset
|
2760 tfunc.isproperty = 1; |
|
60bb0fe4563e
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diff
changeset
|
2761 break; |
|
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128
diff
changeset
|
2762 case STCsafe >> 32: |
|
60bb0fe4563e
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diff
changeset
|
2763 tfunc.trust = TRUSTsafe; |
|
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diff
changeset
|
2764 break; |
|
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diff
changeset
|
2765 case STCsystem >> 32: |
|
60bb0fe4563e
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diff
changeset
|
2766 tfunc.trust = TRUSTsystem; |
|
60bb0fe4563e
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diff
changeset
|
2767 break; |
|
60bb0fe4563e
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128
diff
changeset
|
2768 case STCtrusted >> 32: |
|
60bb0fe4563e
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128
diff
changeset
|
2769 tfunc.trust = TRUSTtrusted; |
|
60bb0fe4563e
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diff
changeset
|
2770 break; |
|
60bb0fe4563e
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128
diff
changeset
|
2771 case 0: |
|
60bb0fe4563e
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diff
changeset
|
2772 break; |
|
60bb0fe4563e
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diff
changeset
|
2773 default: |
|
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diff
changeset
|
2774 assert(0); |
|
60bb0fe4563e
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diff
changeset
|
2775 } |
|
60bb0fe4563e
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diff
changeset
|
2776 nextToken(); |
|
60bb0fe4563e
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diff
changeset
|
2777 continue; |
|
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|
2778 } |
| 0 | 2779 default: |
| 2780 break; /// | |
| 2781 } | |
| 2782 break; | |
| 2783 } | |
| 2784 | |
| 2785 /* Insert tf into | |
| 2786 * ts . ... . t | |
| 2787 * so that | |
| 2788 * ts . ... . tf . t | |
| 2789 */ | |
| 2790 Type* pt; | |
| 2791 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2792 ; | |
| 2793 } | |
| 2794 *pt = tf; | |
| 2795 break; | |
| 2796 } | |
| 2797 | |
| 2798 default: | |
| 2799 break; /// | |
| 2800 } | |
| 2801 break; | |
| 2802 } | |
| 2803 | |
| 2804 return ts; | |
| 2805 } | |
| 2806 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
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|
2807 Dsymbols parseDeclarations(STC storage_class) |
| 0 | 2808 { |
| 2809 STC stc; | |
| 2810 Type ts; | |
| 2811 Type t; | |
| 2812 Type tfirst; | |
| 2813 Identifier ident; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
changeset
|
2814 Dsymbols a; |
| 0 | 2815 TOK tok = TOK.TOKreserved; |
| 79 | 2816 string comment = token.blockComment; |
| 0 | 2817 LINK link = linkage; |
| 2818 | |
| 2819 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2820 if (storage_class) | |
| 2821 { ts = null; // infer type | |
| 2822 goto L2; | |
| 2823 } | |
| 2824 | |
| 2825 switch (token.value) | |
| 2826 { | |
| 2827 case TOK.TOKalias: | |
| 2828 /* Look for: | |
| 2829 * alias identifier this; | |
| 2830 */ | |
| 2831 tok = token.value; | |
| 2832 nextToken(); | |
| 2833 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2834 { | |
| 2835 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2836 nextToken(); | |
| 2837 check(TOK.TOKthis); | |
| 2838 check(TOK.TOKsemicolon); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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diff
changeset
|
2839 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
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diff
changeset
|
2840 a.push(s); |
| 0 | 2841 addComment(s, comment); |
| 2842 return a; | |
| 2843 } | |
| 2844 break; | |
| 2845 case TOK.TOKtypedef: | |
| 2846 tok = token.value; | |
| 2847 nextToken(); | |
| 2848 break; | |
| 2849 default: | |
| 2850 break; | |
| 2851 } | |
| 2852 | |
| 2853 storage_class = STC.STCundefined; | |
| 2854 while (1) | |
| 2855 { | |
| 2856 switch (token.value) | |
| 2857 { | |
| 2858 case TOK.TOKconst: | |
| 2859 if (peek(&token).value == TOK.TOKlparen) | |
| 2860 break; // const as type constructor | |
| 2861 stc = STC.STCconst; // const as storage class | |
| 2862 goto L1; | |
| 2863 | |
| 2864 case TOK.TOKinvariant: | |
| 2865 case TOK.TOKimmutable: | |
| 2866 if (peek(&token).value == TOK.TOKlparen) | |
| 2867 break; | |
| 2868 stc = STC.STCimmutable; | |
| 2869 goto L1; | |
| 2870 | |
| 2871 case TOK.TOKshared: | |
| 2872 if (peek(&token).value == TOK.TOKlparen) | |
| 2873 break; | |
| 2874 stc = STC.STCshared; | |
| 2875 goto L1; | |
| 2876 | |
| 2877 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2878 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2879 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2880 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2881 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2882 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2883 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2884 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2885 version (DMDV2) { | |
| 2886 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2887 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2888 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2889 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2890 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2891 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
|
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128
diff
changeset
|
2892 case TOK.TOKat: stc = parseAttribute(); goto L1; |
| 0 | 2893 } |
| 2894 L1: | |
| 2895 if (storage_class & stc) | |
| 2896 error("redundant storage class '%s'", token.toChars()); | |
| 2897 storage_class = (storage_class | stc); | |
| 2898 composeStorageClass(storage_class); | |
| 2899 nextToken(); | |
| 2900 continue; | |
| 2901 | |
| 2902 case TOK.TOKextern: | |
| 2903 if (peek(&token).value != TOK.TOKlparen) | |
| 2904 { stc = STC.STCextern; | |
| 2905 goto L1; | |
| 2906 } | |
| 2907 | |
| 2908 link = parseLinkage(); | |
| 2909 continue; | |
| 2910 | |
| 2911 default: | |
| 2912 break; | |
| 2913 } | |
| 2914 break; | |
| 2915 } | |
| 2916 | |
| 2917 /* Look for auto initializers: | |
| 2918 * storage_class identifier = initializer; | |
| 2919 */ | |
| 2920 if (storage_class && | |
| 2921 token.value == TOK.TOKidentifier && | |
| 2922 peek(&token).value == TOK.TOKassign) | |
| 2923 { | |
| 2924 return parseAutoDeclarations(storage_class, comment); | |
| 2925 } | |
| 2926 | |
| 2927 if (token.value == TOK.TOKclass) | |
| 2928 { | |
| 2929 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2930 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
|
2931 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2932 a.push(s); |
| 0 | 2933 addComment(s, comment); |
| 2934 return a; | |
| 2935 } | |
| 2936 | |
| 2937 /* Look for return type inference for template functions. | |
| 2938 */ | |
| 2939 { | |
| 2940 Token *tk; | |
| 2941 if (storage_class && | |
| 2942 token.value == TOK.TOKidentifier && | |
| 2943 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2944 skipParens(tk, &tk) && | |
| 2945 peek(tk).value == TOK.TOKlparen) | |
| 2946 { | |
| 2947 ts = null; | |
| 2948 } | |
| 2949 else | |
| 2950 { | |
| 2951 ts = parseBasicType(); | |
| 2952 ts = parseBasicType2(ts); | |
| 2953 } | |
| 2954 } | |
| 2955 | |
| 2956 L2: | |
| 2957 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
changeset
|
2958 a = new Dsymbols(); |
| 0 | 2959 |
| 2960 while (1) | |
| 2961 { | |
| 2962 Loc loc = this.loc; | |
| 2963 TemplateParameters tpl = null; | |
| 2964 | |
| 2965 ident = null; | |
| 2966 t = parseDeclarator(ts, &ident, &tpl); | |
| 2967 assert(t); | |
| 2968 if (!tfirst) | |
| 2969 tfirst = t; | |
| 2970 else if (t != tfirst) | |
| 2971 error("multiple declarations must have the same type, not %s and %s", | |
| 2972 tfirst.toChars(), t.toChars()); | |
| 2973 if (!ident) | |
| 2974 error("no identifier for declarator %s", t.toChars()); | |
| 2975 | |
| 2976 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2977 { Declaration v; | |
| 2978 Initializer init = null; | |
| 2979 | |
| 2980 if (token.value == TOK.TOKassign) | |
| 2981 { | |
| 2982 nextToken(); | |
| 2983 init = parseInitializer(); | |
| 2984 } | |
| 2985 if (tok == TOK.TOKtypedef) | |
| 2986 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2987 else | |
| 2988 { if (init) | |
| 2989 error("alias cannot have initializer"); | |
| 2990 v = new AliasDeclaration(loc, ident, t); | |
| 2991 } | |
| 2992 v.storage_class = storage_class; | |
| 2993 if (link == linkage) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
changeset
|
2994 a.push(v); |
| 0 | 2995 else |
| 2996 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2997 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
|
2998 ax.push(v); |
| 0 | 2999 Dsymbol s = new LinkDeclaration(link, ax); |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
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56
diff
changeset
|
3000 a.push(s); |
| 0 | 3001 } |
| 3002 switch (token.value) | |
| 3003 { case TOK.TOKsemicolon: | |
| 3004 nextToken(); | |
| 3005 addComment(v, comment); | |
| 3006 break; | |
| 3007 | |
| 3008 case TOK.TOKcomma: | |
| 3009 nextToken(); | |
| 3010 addComment(v, comment); | |
| 3011 continue; | |
| 3012 | |
| 3013 default: | |
| 3014 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 3015 break; | |
| 3016 } | |
| 3017 } | |
| 3018 else if (t.ty == TY.Tfunction) | |
| 3019 { | |
|
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
|
3020 auto tf = cast(TypeFunction)t; |
| 0 | 3021 Expression constraint = null; |
| 3022 static if (false) { | |
|
130
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diff
changeset
|
3023 if (Parameter.isTPL(tf.parameters)) |
| 0 | 3024 { |
| 3025 if (!tpl) | |
| 3026 tpl = new TemplateParameters(); | |
| 3027 } | |
| 3028 } | |
| 3029 FuncDeclaration f = | |
| 3030 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 3031 addComment(f, comment); | |
| 3032 if (tpl) | |
| 3033 constraint = parseConstraint(); | |
| 3034 parseContracts(f); | |
| 3035 addComment(f, null); | |
| 3036 Dsymbol s; | |
| 3037 if (link == linkage) | |
| 3038 { | |
| 3039 s = f; | |
| 3040 } | |
| 3041 else | |
| 3042 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3043 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
|
3044 ax.push(f); |
| 0 | 3045 s = new LinkDeclaration(link, ax); |
| 3046 } | |
| 3047 /* A template parameter list means it's a function template | |
| 3048 */ | |
| 3049 if (tpl) | |
| 3050 { | |
| 3051 // 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
|
3052 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
|
3053 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3054 auto tempdecl = |
| 0 | 3055 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 3056 s = tempdecl; | |
| 3057 } | |
| 3058 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
|
3059 a.push(s); |
| 0 | 3060 } |
| 3061 else | |
| 3062 { | |
| 3063 Initializer init = null; | |
| 3064 if (token.value == TOK.TOKassign) | |
| 3065 { | |
| 3066 nextToken(); | |
| 3067 init = parseInitializer(); | |
| 3068 } | |
| 3069 | |
| 3070 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 3071 v.storage_class = storage_class; | |
| 3072 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
|
3073 a.push(v); |
| 0 | 3074 else |
| 3075 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3076 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
|
3077 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3078 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
|
3079 a.push(s); |
| 0 | 3080 } |
| 3081 switch (token.value) | |
| 3082 { case TOK.TOKsemicolon: | |
| 3083 nextToken(); | |
| 3084 addComment(v, comment); | |
| 3085 break; | |
| 3086 | |
| 3087 case TOK.TOKcomma: | |
| 3088 nextToken(); | |
| 3089 addComment(v, comment); | |
| 3090 continue; | |
| 3091 | |
| 3092 default: | |
| 3093 error("semicolon expected, not '%s'", token.toChars()); | |
| 3094 break; | |
| 3095 } | |
| 3096 } | |
| 3097 break; | |
| 3098 } | |
| 3099 return a; | |
| 3100 } | |
| 3101 | |
| 3102 void parseContracts(FuncDeclaration f) | |
| 3103 { | |
| 3104 LINK linksave = linkage; | |
| 3105 | |
| 3106 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3107 // TypeFunction.semantic | |
| 3108 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3109 L1: | |
| 3110 switch (token.value) | |
| 3111 { | |
| 3112 case TOK.TOKlcurly: | |
| 3113 if (f.frequire || f.fensure) | |
| 3114 error("missing body { ... } after in or out"); | |
| 3115 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3116 f.endloc = endloc; | |
| 3117 break; | |
| 3118 | |
| 3119 case TOK.TOKbody: | |
| 3120 nextToken(); | |
| 3121 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3122 f.endloc = endloc; | |
| 3123 break; | |
| 3124 | |
| 3125 case TOK.TOKsemicolon: | |
| 3126 if (f.frequire || f.fensure) | |
| 3127 error("missing body { ... } after in or out"); | |
| 3128 nextToken(); | |
| 3129 break; | |
| 3130 | |
| 3131 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3132 // int x, y, foo(), z; | |
| 3133 case TOK.TOKcomma: | |
| 3134 nextToken(); | |
| 3135 continue; | |
| 3136 } | |
| 3137 | |
| 3138 static if (false) { // Dumped feature | |
| 3139 case TOK.TOKthrow: | |
| 3140 if (!f.fthrows) | |
| 3141 f.fthrows = new Array(); | |
| 3142 nextToken(); | |
| 3143 check(TOK.TOKlparen); | |
| 3144 while (1) | |
| 3145 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3146 Type tb = parseBasicType(); |
| 0 | 3147 f.fthrows.push(tb); |
| 3148 if (token.value == TOK.TOKcomma) | |
| 3149 { nextToken(); | |
| 3150 continue; | |
| 3151 } | |
| 3152 break; | |
| 3153 } | |
| 3154 check(TOK.TOKrparen); | |
| 3155 goto L1; | |
| 3156 } | |
| 3157 | |
| 3158 case TOK.TOKin: | |
| 3159 nextToken(); | |
| 3160 if (f.frequire) | |
| 3161 error("redundant 'in' statement"); | |
| 3162 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3163 goto L1; | |
| 3164 | |
| 3165 case TOK.TOKout: | |
| 3166 // parse: out (identifier) { statement } | |
| 3167 nextToken(); | |
| 3168 if (token.value != TOK.TOKlcurly) | |
| 3169 { | |
| 3170 check(TOK.TOKlparen); | |
| 3171 if (token.value != TOK.TOKidentifier) | |
| 3172 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3173 f.outId = token.ident; | |
| 3174 nextToken(); | |
| 3175 check(TOK.TOKrparen); | |
| 3176 } | |
| 3177 if (f.fensure) | |
| 3178 error("redundant 'out' statement"); | |
| 3179 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3180 goto L1; | |
| 3181 | |
| 3182 default: | |
| 3183 error("semicolon expected following function declaration"); | |
| 3184 break; | |
| 3185 } | |
| 3186 linkage = linksave; | |
| 3187 } | |
| 3188 | |
| 3189 Statement parseStatement(ParseStatementFlags flags) | |
| 3190 { | |
| 3191 Statement s; | |
| 3192 Token* t; | |
| 3193 Condition condition; | |
| 3194 Statement ifbody; | |
| 3195 Statement elsebody; | |
| 3196 bool isfinal; | |
| 3197 Loc loc = this.loc; | |
| 3198 | |
| 3199 //printf("parseStatement()\n"); | |
| 3200 | |
| 3201 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3202 error("statement expected to be { }, not %s", token.toChars()); | |
| 3203 | |
| 3204 switch (token.value) | |
| 3205 { | |
| 3206 case TOK.TOKidentifier: | |
| 3207 /* A leading identifier can be a declaration, label, or expression. | |
| 3208 * The easiest case to check first is label: | |
| 3209 */ | |
| 3210 t = peek(&token); | |
| 3211 if (t.value == TOK.TOKcolon) | |
| 3212 { // It's a label | |
| 3213 | |
| 3214 Identifier ident = token.ident; | |
| 3215 nextToken(); | |
| 3216 nextToken(); | |
| 3217 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3218 s = new LabelStatement(loc, ident, s); | |
| 3219 break; | |
| 3220 } | |
| 3221 // fallthrough to TOK.TOKdot | |
| 3222 case TOK.TOKdot: | |
| 3223 case TOK.TOKtypeof: | |
| 3224 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3225 goto Ldeclaration; | |
| 3226 else | |
| 3227 goto Lexp; | |
| 3228 break; | |
| 3229 | |
| 3230 case TOK.TOKassert: | |
| 3231 case TOK.TOKthis: | |
| 3232 case TOK.TOKsuper: | |
| 3233 case TOK.TOKint32v: | |
| 3234 case TOK.TOKuns32v: | |
| 3235 case TOK.TOKint64v: | |
| 3236 case TOK.TOKuns64v: | |
| 3237 case TOK.TOKfloat32v: | |
| 3238 case TOK.TOKfloat64v: | |
| 3239 case TOK.TOKfloat80v: | |
| 3240 case TOK.TOKimaginary32v: | |
| 3241 case TOK.TOKimaginary64v: | |
| 3242 case TOK.TOKimaginary80v: | |
| 3243 case TOK.TOKcharv: | |
| 3244 case TOK.TOKwcharv: | |
| 3245 case TOK.TOKdcharv: | |
| 3246 case TOK.TOKnull: | |
| 3247 case TOK.TOKtrue: | |
| 3248 case TOK.TOKfalse: | |
| 3249 case TOK.TOKstring: | |
| 3250 case TOK.TOKlparen: | |
| 3251 case TOK.TOKcast: | |
| 3252 case TOK.TOKmul: | |
| 3253 case TOK.TOKmin: | |
| 3254 case TOK.TOKadd: | |
| 3255 case TOK.TOKplusplus: | |
| 3256 case TOK.TOKminusminus: | |
| 3257 case TOK.TOKnew: | |
| 3258 case TOK.TOKdelete: | |
| 3259 case TOK.TOKdelegate: | |
| 3260 case TOK.TOKfunction: | |
| 3261 case TOK.TOKtypeid: | |
| 3262 case TOK.TOKis: | |
| 3263 case TOK.TOKlbracket: | |
| 3264 version (DMDV2) { | |
| 3265 case TOK.TOKtraits: | |
| 3266 case TOK.TOKfile: | |
| 3267 case TOK.TOKline: | |
| 3268 } | |
| 3269 Lexp: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3270 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3271 auto exp = parseExpression(); |
| 0 | 3272 check(TOK.TOKsemicolon, "statement"); |
| 3273 s = new ExpStatement(loc, exp); | |
| 3274 break; | |
| 3275 } | |
| 3276 | |
| 3277 case TOK.TOKstatic: | |
| 3278 { // Look ahead to see if it's static assert() or static if() | |
| 3279 Token *tt; | |
| 3280 | |
| 3281 tt = peek(&token); | |
| 3282 if (tt.value == TOK.TOKassert) | |
| 3283 { | |
| 3284 nextToken(); | |
| 3285 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3286 break; | |
| 3287 } | |
| 3288 if (tt.value == TOK.TOKif) | |
| 3289 { | |
| 3290 nextToken(); | |
| 3291 condition = parseStaticIfCondition(); | |
| 3292 goto Lcondition; | |
| 3293 } | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3294 if (t.value == TOK.TOKstruct || t.value == TOK.TOKunion || t.value == TOK.TOKclass) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3295 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3296 nextToken(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3297 auto a = parseBlock(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3298 Dsymbol d = new StorageClassDeclaration(STCstatic, a); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3299 s = new DeclarationStatement(loc, d); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3300 if (flags & PSscope) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3301 s = new ScopeStatement(loc, s); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3302 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3303 } |
| 0 | 3304 goto Ldeclaration; |
| 3305 } | |
| 3306 | |
| 3307 case TOK.TOKfinal: | |
| 3308 if (peekNext() == TOK.TOKswitch) | |
| 3309 { | |
| 3310 nextToken(); | |
| 3311 isfinal = true; | |
| 3312 goto Lswitch; | |
| 3313 } | |
| 3314 goto Ldeclaration; | |
| 3315 | |
| 3316 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3317 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3318 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3319 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3320 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3321 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3322 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3323 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3324 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3325 case TOK.TOKvoid: | |
| 3326 case TOK.TOKtypedef: | |
| 3327 case TOK.TOKalias: | |
| 3328 case TOK.TOKconst: | |
| 3329 case TOK.TOKauto: | |
| 3330 case TOK.TOKextern: | |
| 3331 case TOK.TOKinvariant: | |
| 3332 version (DMDV2) { | |
| 3333 case TOK.TOKimmutable: | |
| 3334 case TOK.TOKshared: | |
| 3335 case TOK.TOKnothrow: | |
| 3336 case TOK.TOKpure: | |
| 3337 case TOK.TOKtls: | |
| 3338 case TOK.TOKgshared: | |
|
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dmdfe 2.037 first main iteration
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128
diff
changeset
|
3339 case TOK.TOKat: |
| 0 | 3340 } |
| 3341 // case TOK.TOKtypeof: | |
| 3342 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3343 { Dsymbols a; |
| 0 | 3344 |
| 3345 a = parseDeclarations(STC.STCundefined); | |
| 3346 if (a.dim > 1) | |
| 3347 { | |
| 3348 Statements as = new Statements(); | |
| 3349 as.reserve(a.dim); | |
|
77
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more D-ification container accessing
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parents:
74
diff
changeset
|
3350 foreach(Dsymbol d; a) |
| 0 | 3351 { |
| 3352 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3353 as.push(s); |
| 0 | 3354 } |
| 3355 s = new CompoundDeclarationStatement(loc, as); | |
| 3356 } | |
| 3357 else if (a.dim == 1) | |
| 3358 { | |
|
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parents:
74
diff
changeset
|
3359 auto d = a[0]; |
| 0 | 3360 s = new DeclarationStatement(loc, d); |
| 3361 } | |
| 3362 else | |
| 3363 assert(0); | |
| 3364 if (flags & ParseStatementFlags.PSscope) | |
| 3365 s = new ScopeStatement(loc, s); | |
| 3366 break; | |
| 3367 } | |
| 3368 | |
| 3369 case TOK.TOKstruct: | |
| 3370 case TOK.TOKunion: | |
| 3371 case TOK.TOKclass: | |
| 3372 case TOK.TOKinterface: | |
| 3373 { Dsymbol d; | |
| 3374 | |
| 3375 d = parseAggregate(); | |
| 3376 s = new DeclarationStatement(loc, d); | |
| 3377 break; | |
| 3378 } | |
| 3379 | |
| 3380 case TOK.TOKenum: | |
| 3381 { /* Determine if this is a manifest constant declaration, | |
| 3382 * or a conventional enum. | |
| 3383 */ | |
| 3384 Dsymbol d; | |
| 3385 Token* tt = peek(&token); | |
| 3386 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3387 d = parseEnum(); | |
| 3388 else if (tt.value != TOK.TOKidentifier) | |
| 3389 goto Ldeclaration; | |
| 3390 else | |
| 3391 { | |
| 3392 tt = peek(tt); | |
| 3393 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3394 tt.value == TOK.TOKsemicolon) | |
| 3395 d = parseEnum(); | |
| 3396 else | |
| 3397 goto Ldeclaration; | |
| 3398 } | |
| 3399 s = new DeclarationStatement(loc, d); | |
| 3400 break; | |
| 3401 } | |
| 3402 | |
| 3403 case TOK.TOKmixin: | |
| 3404 { t = peek(&token); | |
| 3405 if (t.value == TOK.TOKlparen) | |
| 3406 { // mixin(string) | |
| 3407 nextToken(); | |
| 3408 check(TOK.TOKlparen, "mixin"); | |
| 3409 Expression e = parseAssignExp(); | |
| 3410 check(TOK.TOKrparen); | |
| 3411 check(TOK.TOKsemicolon); | |
| 3412 s = new CompileStatement(loc, e); | |
| 3413 break; | |
| 3414 } | |
| 3415 Dsymbol d = parseMixin(); | |
| 3416 s = new DeclarationStatement(loc, d); | |
| 3417 break; | |
| 3418 } | |
| 3419 | |
| 3420 case TOK.TOKlcurly: | |
| 79 | 3421 { |
| 3422 nextToken(); | |
| 3423 Statements statements = new Statements(); | |
| 3424 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3425 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3426 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3427 } |
| 3428 endloc = this.loc; | |
| 3429 s = new CompoundStatement(loc, statements); | |
| 3430 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3431 s = new ScopeStatement(loc, s); | |
| 3432 nextToken(); | |
| 3433 break; | |
| 3434 } | |
| 3435 | |
| 3436 case TOK.TOKwhile: | |
| 3437 { Expression condition2; | |
| 3438 Statement body_; | |
| 3439 | |
| 3440 nextToken(); | |
| 3441 check(TOK.TOKlparen); | |
| 3442 condition2 = parseExpression(); | |
| 3443 check(TOK.TOKrparen); | |
| 3444 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3445 s = new WhileStatement(loc, condition2, body_); | |
| 3446 break; | |
| 3447 } | |
| 3448 | |
| 3449 case TOK.TOKsemicolon: | |
| 3450 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3451 error("use '{ }' for an empty statement, not a ';'"); | |
| 3452 nextToken(); | |
| 3453 s = new ExpStatement(loc, null); | |
| 3454 break; | |
| 3455 | |
| 3456 case TOK.TOKdo: | |
| 3457 { Statement body_; | |
| 3458 Expression condition2; | |
| 3459 | |
| 3460 nextToken(); | |
| 3461 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3462 check(TOK.TOKwhile); | |
| 3463 check(TOK.TOKlparen); | |
| 3464 condition2 = parseExpression(); | |
| 3465 check(TOK.TOKrparen); | |
| 3466 s = new DoStatement(loc, body_, condition2); | |
| 3467 break; | |
| 3468 } | |
| 3469 | |
| 3470 case TOK.TOKfor: | |
| 3471 { | |
| 3472 Statement init; | |
| 3473 Expression condition2; | |
| 3474 Expression increment; | |
| 3475 Statement body_; | |
| 3476 | |
| 3477 nextToken(); | |
| 3478 check(TOK.TOKlparen); | |
| 3479 if (token.value == TOK.TOKsemicolon) | |
| 3480 { init = null; | |
| 3481 nextToken(); | |
| 3482 } | |
| 3483 else | |
| 3484 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3485 } | |
| 3486 if (token.value == TOK.TOKsemicolon) | |
| 3487 { | |
| 3488 condition2 = null; | |
| 3489 nextToken(); | |
| 3490 } | |
| 3491 else | |
| 3492 { | |
| 3493 condition2 = parseExpression(); | |
| 3494 check(TOK.TOKsemicolon, "for condition"); | |
| 3495 } | |
| 3496 if (token.value == TOK.TOKrparen) | |
| 3497 { increment = null; | |
| 3498 nextToken(); | |
| 3499 } | |
| 3500 else | |
| 3501 { increment = parseExpression(); | |
| 3502 check(TOK.TOKrparen); | |
| 3503 } | |
| 3504 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3505 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3506 if (init) | |
| 3507 s = new ScopeStatement(loc, s); | |
| 3508 break; | |
| 3509 } | |
| 3510 | |
| 3511 case TOK.TOKforeach: | |
| 3512 case TOK.TOKforeach_reverse: | |
| 3513 { | |
| 3514 TOK op = token.value; | |
| 3515 | |
| 3516 nextToken(); | |
| 3517 check(TOK.TOKlparen); | |
| 3518 | |
|
130
60bb0fe4563e
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3519 auto arguments = new Parameters(); |
| 0 | 3520 |
| 3521 while (1) | |
| 3522 { | |
| 3523 Identifier ai = null; | |
| 3524 Type at; | |
| 3525 STC storageClass = STC.STCundefined; | |
| 3526 | |
| 3527 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3528 { storageClass = STC.STCref; | |
| 3529 nextToken(); | |
| 3530 } | |
| 3531 if (token.value == TOK.TOKidentifier) | |
| 3532 { | |
| 3533 Token *tt = peek(&token); | |
| 3534 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3535 { ai = token.ident; | |
| 3536 at = null; // infer argument type | |
| 3537 nextToken(); | |
| 3538 goto Larg; | |
| 3539 } | |
| 3540 } | |
| 3541 at = parseType(&ai); | |
| 3542 if (!ai) | |
| 3543 error("no identifier for declarator %s", at.toChars()); | |
| 3544 Larg: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3545 auto a = new Parameter(storageClass, at, ai, null); |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3546 arguments.push(a); |
| 0 | 3547 if (token.value == TOK.TOKcomma) |
| 3548 { nextToken(); | |
| 3549 continue; | |
| 3550 } | |
| 3551 break; | |
| 3552 } | |
| 3553 check(TOK.TOKsemicolon); | |
| 3554 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3555 Expression aggr = parseExpression(); |
| 0 | 3556 if (token.value == TOK.TOKslice && arguments.dim == 1) |
| 3557 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3558 auto a = arguments[0]; |
| 0 | 3559 delete arguments; |
| 3560 nextToken(); | |
| 3561 Expression upr = parseExpression(); | |
| 3562 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3563 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3564 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); |
| 3565 } | |
| 3566 else | |
| 3567 { | |
| 3568 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3569 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3570 s = new ForeachStatement(loc, op, arguments, aggr, body_); |
| 3571 } | |
| 3572 break; | |
| 3573 } | |
| 3574 | |
| 3575 case TOK.TOKif: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3576 { Parameter arg = null; |
| 0 | 3577 Expression condition2; |
| 3578 Statement ifbody2; | |
| 3579 Statement elsebody2; | |
| 3580 | |
| 3581 nextToken(); | |
| 3582 check(TOK.TOKlparen); | |
| 3583 | |
| 3584 if (token.value == TOK.TOKauto) | |
| 3585 { | |
| 3586 nextToken(); | |
| 3587 if (token.value == TOK.TOKidentifier) | |
| 3588 { | |
| 3589 Token *tt = peek(&token); | |
| 3590 if (tt.value == TOK.TOKassign) | |
| 3591 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3592 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3593 nextToken(); |
| 3594 nextToken(); | |
| 3595 } | |
| 3596 else | |
| 3597 { error("= expected following auto identifier"); | |
| 3598 goto Lerror; | |
| 3599 } | |
| 3600 } | |
| 3601 else | |
| 3602 { error("identifier expected following auto"); | |
| 3603 goto Lerror; | |
| 3604 } | |
| 3605 } | |
| 3606 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3607 { | |
| 3608 Type at; | |
| 3609 Identifier ai; | |
| 3610 | |
| 3611 at = parseType(&ai); | |
| 3612 check(TOK.TOKassign); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3613 arg = new Parameter(STC.STCundefined, at, ai, null); |
| 0 | 3614 } |
| 3615 | |
| 3616 // Check for " ident;" | |
| 3617 else if (token.value == TOK.TOKidentifier) | |
| 3618 { | |
| 3619 Token *tt = peek(&token); | |
| 3620 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3621 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3622 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3623 nextToken(); |
| 3624 nextToken(); | |
| 3625 if (1 || !global.params.useDeprecated) | |
| 3626 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3627 } | |
| 3628 } | |
| 3629 | |
| 3630 condition2 = parseExpression(); | |
| 3631 check(TOK.TOKrparen); | |
| 3632 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3633 if (token.value == TOK.TOKelse) | |
| 3634 { | |
| 3635 nextToken(); | |
| 3636 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3637 } | |
| 3638 else | |
| 3639 elsebody2 = null; | |
| 3640 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3641 break; | |
| 3642 } | |
| 3643 | |
| 3644 case TOK.TOKscope: | |
| 3645 if (peek(&token).value != TOK.TOKlparen) | |
| 3646 goto Ldeclaration; // scope used as storage class | |
| 3647 nextToken(); | |
| 3648 check(TOK.TOKlparen); | |
| 3649 if (token.value != TOK.TOKidentifier) | |
| 3650 { error("scope identifier expected"); | |
| 3651 goto Lerror; | |
| 3652 } | |
| 3653 else | |
| 3654 { TOK tt = TOK.TOKon_scope_exit; | |
| 3655 Identifier id = token.ident; | |
| 3656 | |
| 3657 if (id == Id.exit) | |
| 3658 tt = TOK.TOKon_scope_exit; | |
| 3659 else if (id == Id.failure) | |
| 3660 tt = TOK.TOKon_scope_failure; | |
| 3661 else if (id == Id.success) | |
| 3662 tt = TOK.TOKon_scope_success; | |
| 3663 else | |
| 3664 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3665 nextToken(); | |
| 3666 check(TOK.TOKrparen); | |
| 3667 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3668 s = new OnScopeStatement(loc, tt, st); | |
| 3669 break; | |
| 3670 } | |
| 3671 | |
| 3672 case TOK.TOKdebug: | |
| 3673 nextToken(); | |
| 3674 condition = parseDebugCondition(); | |
| 3675 goto Lcondition; | |
| 3676 | |
| 3677 case TOK.TOKversion: | |
| 3678 nextToken(); | |
| 3679 condition = parseVersionCondition(); | |
| 3680 goto Lcondition; | |
| 3681 | |
| 3682 Lcondition: | |
| 3683 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3684 elsebody = null; | |
| 3685 if (token.value == TOK.TOKelse) | |
| 3686 { | |
| 3687 nextToken(); | |
| 3688 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3689 } | |
| 3690 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3691 break; | |
| 3692 | |
| 3693 case TOK.TOKpragma: | |
| 3694 { Identifier ident; | |
| 3695 Expressions args = null; | |
| 3696 Statement body_; | |
| 3697 | |
| 3698 nextToken(); | |
| 3699 check(TOK.TOKlparen); | |
| 3700 if (token.value != TOK.TOKidentifier) | |
| 3701 { error("pragma(identifier expected"); | |
| 3702 goto Lerror; | |
| 3703 } | |
| 3704 ident = token.ident; | |
| 3705 nextToken(); | |
| 3706 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3707 args = parseArguments(); // pragma(identifier, args...); | |
| 3708 else | |
| 3709 check(TOK.TOKrparen); // pragma(identifier); | |
| 3710 if (token.value == TOK.TOKsemicolon) | |
| 3711 { nextToken(); | |
| 3712 body_ = null; | |
| 3713 } | |
| 3714 else | |
| 3715 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3716 s = new PragmaStatement(loc, ident, args, body_); | |
| 3717 break; | |
| 3718 } | |
| 3719 | |
| 3720 case TOK.TOKswitch: | |
| 3721 isfinal = false; | |
| 3722 goto Lswitch; | |
| 3723 | |
| 3724 Lswitch: | |
| 3725 { | |
| 3726 nextToken(); | |
| 3727 check(TOK.TOKlparen); | |
| 3728 Expression condition2 = parseExpression(); | |
| 3729 check(TOK.TOKrparen); | |
| 3730 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3731 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3732 break; | |
| 3733 } | |
| 3734 | |
| 3735 case TOK.TOKcase: | |
| 3736 { Expression exp; | |
| 3737 Statements statements; | |
|
128
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126
diff
changeset
|
3738 scope cases = new Expressions(); // array of Expression's |
| 0 | 3739 Expression last = null; |
| 3740 | |
| 3741 while (1) | |
| 3742 { | |
| 3743 nextToken(); | |
| 3744 exp = parseAssignExp(); | |
|
128
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Some more Array -> Vector conversions
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parents:
126
diff
changeset
|
3745 cases.push(exp); |
| 0 | 3746 if (token.value != TOK.TOKcomma) |
| 3747 break; | |
| 3748 } | |
| 3749 check(TOK.TOKcolon); | |
| 3750 | |
| 3751 version (DMDV2) { | |
| 3752 /* case exp: .. case last: | |
| 3753 */ | |
| 3754 if (token.value == TOK.TOKslice) | |
| 3755 { | |
| 3756 if (cases.dim > 1) | |
| 3757 error("only one case allowed for start of case range"); | |
| 3758 nextToken(); | |
| 3759 check(TOK.TOKcase); | |
| 3760 last = parseAssignExp(); | |
| 3761 check(TOK.TOKcolon); | |
| 3762 } | |
| 3763 } | |
| 3764 | |
| 3765 statements = new Statements(); | |
| 3766 while (token.value != TOK.TOKcase && | |
| 3767 token.value != TOK.TOKdefault && | |
| 79 | 3768 token.value != TOKeof && |
| 0 | 3769 token.value != TOK.TOKrcurly) |
| 3770 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3771 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3772 } |
| 3773 s = new CompoundStatement(loc, statements); | |
| 3774 s = new ScopeStatement(loc, s); | |
| 3775 | |
| 3776 ///version (DMDV2) { | |
| 3777 if (last) | |
| 3778 { | |
| 3779 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3780 } | |
| 3781 else | |
| 3782 ///} | |
| 3783 { | |
| 3784 // Keep cases in order by building the case statements backwards | |
| 3785 for (int i = cases.dim; i; i--) | |
| 3786 { | |
|
128
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parents:
126
diff
changeset
|
3787 exp = cases[i - 1]; |
| 0 | 3788 s = new CaseStatement(loc, exp, s); |
| 3789 } | |
| 3790 } | |
| 3791 break; | |
| 3792 } | |
| 3793 | |
| 3794 case TOK.TOKdefault: | |
| 3795 { | |
| 3796 Statements statements; | |
| 3797 | |
| 3798 nextToken(); | |
| 3799 check(TOK.TOKcolon); | |
| 3800 | |
| 3801 statements = new Statements(); | |
| 3802 while (token.value != TOK.TOKcase && | |
| 3803 token.value != TOK.TOKdefault && | |
| 79 | 3804 token.value != TOKeof && |
| 0 | 3805 token.value != TOK.TOKrcurly) |
| 3806 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3807 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3808 } |
| 3809 s = new CompoundStatement(loc, statements); | |
| 3810 s = new ScopeStatement(loc, s); | |
| 3811 s = new DefaultStatement(loc, s); | |
| 3812 break; | |
| 3813 } | |
| 3814 | |
| 3815 case TOK.TOKreturn: | |
| 3816 { Expression exp; | |
| 3817 | |
| 3818 nextToken(); | |
| 3819 if (token.value == TOK.TOKsemicolon) | |
| 3820 exp = null; | |
| 3821 else | |
| 3822 exp = parseExpression(); | |
| 3823 check(TOK.TOKsemicolon, "return statement"); | |
| 3824 s = new ReturnStatement(loc, exp); | |
| 3825 break; | |
| 3826 } | |
| 3827 | |
| 3828 case TOK.TOKbreak: | |
| 3829 { Identifier ident; | |
| 3830 | |
| 3831 nextToken(); | |
| 3832 if (token.value == TOK.TOKidentifier) | |
| 3833 { ident = token.ident; | |
| 3834 nextToken(); | |
| 3835 } | |
| 3836 else | |
| 3837 ident = null; | |
| 3838 check(TOK.TOKsemicolon, "break statement"); | |
| 3839 s = new BreakStatement(loc, ident); | |
| 3840 break; | |
| 3841 } | |
| 3842 | |
| 3843 case TOK.TOKcontinue: | |
| 3844 { Identifier ident; | |
| 3845 | |
| 3846 nextToken(); | |
| 3847 if (token.value == TOK.TOKidentifier) | |
| 3848 { ident = token.ident; | |
| 3849 nextToken(); | |
| 3850 } | |
| 3851 else | |
| 3852 ident = null; | |
| 3853 check(TOK.TOKsemicolon, "continue statement"); | |
| 3854 s = new ContinueStatement(loc, ident); | |
| 3855 break; | |
| 3856 } | |
| 3857 | |
| 3858 case TOK.TOKgoto: | |
| 3859 { Identifier ident; | |
| 3860 | |
| 3861 nextToken(); | |
| 3862 if (token.value == TOK.TOKdefault) | |
| 3863 { | |
| 3864 nextToken(); | |
| 3865 s = new GotoDefaultStatement(loc); | |
| 3866 } | |
| 3867 else if (token.value == TOK.TOKcase) | |
| 3868 { | |
| 3869 Expression exp = null; | |
| 3870 | |
| 3871 nextToken(); | |
| 3872 if (token.value != TOK.TOKsemicolon) | |
| 3873 exp = parseExpression(); | |
| 3874 s = new GotoCaseStatement(loc, exp); | |
| 3875 } | |
| 3876 else | |
| 3877 { | |
| 3878 if (token.value != TOK.TOKidentifier) | |
| 3879 { error("Identifier expected following goto"); | |
| 3880 ident = null; | |
| 3881 } | |
| 3882 else | |
| 3883 { ident = token.ident; | |
| 3884 nextToken(); | |
| 3885 } | |
| 3886 s = new GotoStatement(loc, ident); | |
| 3887 } | |
| 3888 check(TOK.TOKsemicolon, "goto statement"); | |
| 3889 break; | |
| 3890 } | |
| 3891 | |
| 3892 case TOK.TOKsynchronized: | |
| 3893 { Expression exp; | |
| 3894 Statement body_; | |
| 3895 | |
| 3896 nextToken(); | |
| 3897 if (token.value == TOK.TOKlparen) | |
| 3898 { | |
| 3899 nextToken(); | |
| 3900 exp = parseExpression(); | |
| 3901 check(TOK.TOKrparen); | |
| 3902 } | |
| 3903 else | |
| 3904 exp = null; | |
| 3905 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3906 s = new SynchronizedStatement(loc, exp, body_); | |
| 3907 break; | |
| 3908 } | |
| 3909 | |
| 3910 case TOK.TOKwith: | |
| 3911 { Expression exp; | |
| 3912 Statement body_; | |
| 3913 | |
| 3914 nextToken(); | |
| 3915 check(TOK.TOKlparen); | |
| 3916 exp = parseExpression(); | |
| 3917 check(TOK.TOKrparen); | |
| 3918 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3919 s = new WithStatement(loc, exp, body_); | |
| 3920 break; | |
| 3921 } | |
| 3922 | |
| 3923 case TOK.TOKtry: | |
| 3924 { Statement body_; | |
| 3925 Array catches = null; | |
| 3926 Statement finalbody = null; | |
| 3927 | |
| 3928 nextToken(); | |
| 3929 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3930 while (token.value == TOK.TOKcatch) | |
| 3931 { | |
| 3932 Statement handler; | |
| 3933 Catch c; | |
| 3934 Type tt; | |
| 3935 Identifier id; | |
| 3936 Loc loc2 = this.loc; | |
| 3937 | |
| 3938 nextToken(); | |
| 3939 if (token.value == TOK.TOKlcurly) | |
| 3940 { | |
| 3941 tt = null; | |
| 3942 id = null; | |
| 3943 } | |
| 3944 else | |
| 3945 { | |
| 3946 check(TOK.TOKlparen); | |
| 3947 id = null; | |
| 3948 tt = parseType(&id); | |
| 3949 check(TOK.TOKrparen); | |
| 3950 } | |
| 3951 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3952 c = new Catch(loc2, tt, id, handler); | |
| 3953 if (!catches) | |
| 3954 catches = new Array(); | |
| 3955 catches.push(cast(void*)c); | |
| 3956 } | |
| 3957 | |
| 3958 if (token.value == TOK.TOKfinally) | |
| 3959 { nextToken(); | |
| 3960 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3961 } | |
| 3962 | |
| 3963 s = body_; | |
| 3964 if (!catches && !finalbody) | |
| 3965 error("catch or finally expected following try"); | |
| 3966 else | |
| 3967 { if (catches) | |
| 3968 s = new TryCatchStatement(loc, body_, catches); | |
| 3969 if (finalbody) | |
| 3970 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3971 } | |
| 3972 break; | |
| 3973 } | |
| 3974 | |
| 3975 case TOK.TOKthrow: | |
| 3976 { Expression exp; | |
| 3977 | |
| 3978 nextToken(); | |
| 3979 exp = parseExpression(); | |
| 3980 check(TOK.TOKsemicolon, "throw statement"); | |
| 3981 s = new ThrowStatement(loc, exp); | |
| 3982 break; | |
| 3983 } | |
| 3984 | |
| 3985 case TOK.TOKvolatile: | |
| 3986 nextToken(); | |
| 3987 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3988 version (DMDV2) { | |
| 3989 if (!global.params.useDeprecated) | |
| 3990 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3991 } | |
| 3992 s = new VolatileStatement(loc, s); | |
| 3993 break; | |
| 3994 | |
| 3995 case TOK.TOKasm: | |
| 3996 { Statements statements; | |
| 3997 Identifier label; | |
| 3998 Loc labelloc; | |
| 3999 Token* toklist; | |
| 4000 Token** ptoklist; | |
| 4001 | |
| 4002 // Parse the asm block into a sequence of AsmStatements, | |
| 4003 // each AsmStatement is one instruction. | |
| 4004 // Separate out labels. | |
| 4005 // Defer parsing of AsmStatements until semantic processing. | |
| 4006 | |
| 4007 nextToken(); | |
| 4008 check(TOK.TOKlcurly); | |
| 4009 toklist = null; | |
| 4010 ptoklist = &toklist; | |
| 4011 label = null; | |
| 4012 statements = new Statements(); | |
| 4013 while (1) | |
| 4014 { | |
| 4015 switch (token.value) | |
| 4016 { | |
| 4017 case TOK.TOKidentifier: | |
| 4018 if (!toklist) | |
| 4019 { | |
| 4020 // Look ahead to see if it is a label | |
| 4021 t = peek(&token); | |
| 4022 if (t.value == TOK.TOKcolon) | |
| 4023 { // It's a label | |
| 4024 label = token.ident; | |
| 4025 labelloc = this.loc; | |
| 4026 nextToken(); | |
| 4027 nextToken(); | |
| 4028 continue; | |
| 4029 } | |
| 4030 } | |
| 4031 goto Ldefault; | |
| 4032 | |
| 4033 case TOK.TOKrcurly: | |
| 4034 if (toklist || label) | |
| 4035 { | |
| 4036 error("asm statements must end in ';'"); | |
| 4037 } | |
| 4038 break; | |
| 4039 | |
| 4040 case TOK.TOKsemicolon: | |
| 4041 s = null; | |
| 4042 if (toklist || label) | |
| 4043 { // Create AsmStatement from list of tokens we've saved | |
| 4044 s = new AsmStatement(this.loc, toklist); | |
| 4045 toklist = null; | |
| 4046 ptoklist = &toklist; | |
| 4047 if (label) | |
| 4048 { | |
| 4049 s = new LabelStatement(labelloc, label, s); | |
| 4050 label = null; | |
| 4051 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
4052 statements.push(s); |
| 0 | 4053 } |
| 4054 nextToken(); | |
| 4055 continue; | |
| 4056 | |
| 4057 case TOK.TOKeof: | |
| 4058 /* { */ | |
| 4059 error("matching '}' expected, not end of file"); | |
| 4060 break; | |
| 4061 | |
| 4062 default: | |
| 4063 Ldefault: | |
| 4064 *ptoklist = new Token(); | |
| 4065 memcpy(*ptoklist, &token, Token.sizeof); | |
| 4066 ptoklist = &(*ptoklist).next; | |
| 4067 *ptoklist = null; | |
| 4068 | |
| 4069 nextToken(); | |
| 4070 continue; | |
| 4071 } | |
| 4072 break; | |
| 4073 } | |
| 4074 s = new CompoundStatement(loc, statements); | |
| 4075 nextToken(); | |
| 4076 break; | |
| 4077 } | |
| 4078 | |
| 4079 default: | |
| 4080 error("found '%s' instead of statement", token.toChars()); | |
| 4081 goto Lerror; | |
| 4082 | |
| 4083 Lerror: | |
| 4084 while (token.value != TOK.TOKrcurly && | |
| 4085 token.value != TOK.TOKsemicolon && | |
| 4086 token.value != TOK.TOKeof) | |
| 4087 nextToken(); | |
| 4088 if (token.value == TOK.TOKsemicolon) | |
| 4089 nextToken(); | |
| 4090 s = null; | |
| 4091 break; | |
| 4092 } | |
| 4093 | |
| 4094 return s; | |
| 4095 } | |
| 4096 | |
| 4097 /***************************************** | |
| 4098 * Parse initializer for variable declaration. | |
| 4099 */ | |
| 4100 Initializer parseInitializer() | |
| 4101 { | |
| 4102 StructInitializer is_; | |
| 4103 ArrayInitializer ia; | |
| 4104 ExpInitializer ie; | |
| 4105 Expression e; | |
| 4106 Identifier id; | |
| 4107 Initializer value; | |
| 4108 int comma; | |
| 4109 Loc loc = this.loc; | |
| 4110 Token* t; | |
| 4111 int braces; | |
| 4112 int brackets; | |
| 4113 | |
| 4114 switch (token.value) | |
| 4115 { | |
| 4116 case TOK.TOKlcurly: | |
| 4117 /* Scan ahead to see if it is a struct initializer or | |
| 4118 * a function literal. | |
| 4119 * If it contains a ';', it is a function literal. | |
| 4120 * Treat { } as a struct initializer. | |
| 4121 */ | |
| 4122 braces = 1; | |
| 4123 for (t = peek(&token); 1; t = peek(t)) | |
| 4124 { | |
| 4125 switch (t.value) | |
| 4126 { | |
| 4127 case TOK.TOKsemicolon: | |
| 4128 case TOK.TOKreturn: | |
| 4129 goto Lexpression; | |
| 4130 | |
| 4131 case TOK.TOKlcurly: | |
| 4132 braces++; | |
| 4133 continue; | |
| 4134 | |
| 4135 case TOK.TOKrcurly: | |
| 4136 if (--braces == 0) | |
| 4137 break; | |
| 4138 continue; | |
| 4139 | |
| 4140 case TOK.TOKeof: | |
| 4141 break; | |
| 4142 | |
| 4143 default: | |
| 4144 continue; | |
| 4145 } | |
| 4146 break; | |
| 4147 } | |
| 4148 | |
| 4149 is_ = new StructInitializer(loc); | |
| 4150 nextToken(); | |
| 4151 comma = 0; | |
| 4152 while (1) | |
| 4153 { | |
| 4154 switch (token.value) | |
| 4155 { | |
| 4156 case TOK.TOKidentifier: | |
| 4157 if (comma == 1) | |
| 4158 error("comma expected separating field initializers"); | |
| 4159 t = peek(&token); | |
| 4160 if (t.value == TOK.TOKcolon) | |
| 4161 { | |
| 4162 id = token.ident; | |
| 4163 nextToken(); | |
| 4164 nextToken(); // skip over ':' | |
| 4165 } | |
| 4166 else | |
| 4167 { | |
| 4168 id = null; | |
| 4169 } | |
| 4170 value = parseInitializer(); | |
| 4171 is_.addInit(id, value); | |
| 4172 comma = 1; | |
| 4173 continue; | |
| 4174 | |
| 4175 case TOK.TOKcomma: | |
| 4176 nextToken(); | |
| 4177 comma = 2; | |
| 4178 continue; | |
| 4179 | |
| 4180 case TOK.TOKrcurly: // allow trailing comma's | |
| 4181 nextToken(); | |
| 4182 break; | |
| 4183 | |
| 4184 case TOK.TOKeof: | |
| 4185 error("found EOF instead of initializer"); | |
| 4186 break; | |
| 4187 | |
| 4188 default: | |
| 4189 value = parseInitializer(); | |
| 4190 is_.addInit(null, value); | |
| 4191 comma = 1; | |
| 4192 continue; | |
| 4193 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4194 //break; | |
| 4195 } | |
| 4196 break; | |
| 4197 } | |
| 4198 return is_; | |
| 4199 | |
| 4200 case TOK.TOKlbracket: | |
| 4201 /* Scan ahead to see if it is an array initializer or | |
| 4202 * an expression. | |
| 4203 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4204 */ | |
| 4205 brackets = 1; | |
| 4206 for (t = peek(&token); 1; t = peek(t)) | |
| 4207 { | |
| 4208 switch (t.value) | |
| 4209 { | |
| 4210 case TOK.TOKlbracket: | |
| 4211 brackets++; | |
| 4212 continue; | |
| 4213 | |
| 4214 case TOK.TOKrbracket: | |
| 4215 if (--brackets == 0) | |
| 4216 { | |
| 4217 t = peek(t); | |
| 4218 if (t.value != TOK.TOKsemicolon && | |
| 4219 t.value != TOK.TOKcomma && | |
| 4220 t.value != TOK.TOKrcurly) | |
| 4221 goto Lexpression; | |
| 4222 break; | |
| 4223 } | |
| 4224 continue; | |
| 4225 | |
| 4226 case TOK.TOKeof: | |
| 4227 break; | |
| 4228 | |
| 4229 default: | |
| 4230 continue; | |
| 4231 } | |
| 4232 break; | |
| 4233 } | |
| 4234 | |
| 4235 ia = new ArrayInitializer(loc); | |
| 4236 nextToken(); | |
| 4237 comma = 0; | |
| 4238 while (true) | |
| 4239 { | |
| 4240 switch (token.value) | |
| 4241 { | |
| 4242 default: | |
| 4243 if (comma == 1) | |
| 4244 { | |
| 4245 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4246 nextToken(); | |
| 4247 break; | |
| 4248 } | |
| 4249 e = parseAssignExp(); | |
| 4250 if (!e) | |
| 4251 break; | |
| 4252 if (token.value == TOK.TOKcolon) | |
| 4253 { | |
| 4254 nextToken(); | |
| 4255 value = parseInitializer(); | |
| 4256 } | |
| 4257 else | |
| 4258 { value = new ExpInitializer(e.loc, e); | |
| 4259 e = null; | |
| 4260 } | |
| 4261 ia.addInit(e, value); | |
| 4262 comma = 1; | |
| 4263 continue; | |
| 4264 | |
| 4265 case TOK.TOKlcurly: | |
| 4266 case TOK.TOKlbracket: | |
| 4267 if (comma == 1) | |
| 4268 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4269 value = parseInitializer(); | |
| 4270 ia.addInit(null, value); | |
| 4271 comma = 1; | |
| 4272 continue; | |
| 4273 | |
| 4274 case TOK.TOKcomma: | |
| 4275 nextToken(); | |
| 4276 comma = 2; | |
| 4277 continue; | |
| 4278 | |
| 4279 case TOK.TOKrbracket: // allow trailing comma's | |
| 4280 nextToken(); | |
| 4281 break; | |
| 4282 | |
| 4283 case TOK.TOKeof: | |
| 4284 error("found '%s' instead of array initializer", token.toChars()); | |
| 4285 break; | |
| 4286 } | |
| 4287 break; | |
| 4288 } | |
| 4289 return ia; | |
| 4290 | |
| 4291 case TOK.TOKvoid: | |
| 4292 t = peek(&token); | |
| 4293 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4294 { | |
| 4295 nextToken(); | |
| 4296 return new VoidInitializer(loc); | |
| 4297 } | |
| 4298 goto Lexpression; | |
| 4299 | |
| 4300 default: | |
| 4301 Lexpression: | |
| 4302 e = parseAssignExp(); | |
| 4303 ie = new ExpInitializer(loc, e); | |
| 4304 return ie; | |
| 4305 } | |
| 4306 } | |
| 4307 | |
| 4308 /***************************************** | |
| 4309 * Parses default argument initializer expression that is an assign expression, | |
| 4310 * with special handling for __FILE__ and __LINE__. | |
| 4311 */ | |
| 4312 version (DMDV2) { | |
| 4313 Expression parseDefaultInitExp() | |
| 4314 { | |
| 4315 if (token.value == TOK.TOKfile || | |
| 4316 token.value == TOK.TOKline) | |
| 4317 { | |
| 4318 Token* t = peek(&token); | |
| 4319 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4320 { | |
| 4321 Expression e; | |
| 4322 | |
| 4323 if (token.value == TOK.TOKfile) | |
| 4324 e = new FileInitExp(loc); | |
| 4325 else | |
| 4326 e = new LineInitExp(loc); | |
| 4327 nextToken(); | |
| 4328 return e; | |
| 4329 } | |
| 4330 } | |
| 4331 | |
| 4332 Expression e = parseAssignExp(); | |
| 4333 return e; | |
| 4334 } | |
| 4335 } | |
| 4336 void check(Loc loc, TOK value) | |
| 4337 { | |
| 4338 if (token.value != value) | |
| 4339 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4340 nextToken(); | |
| 4341 } | |
| 4342 | |
| 4343 void check(TOK value) | |
| 4344 { | |
| 4345 check(loc, value); | |
| 4346 } | |
| 4347 | |
| 4348 void check(TOK value, string string_) | |
| 4349 { | |
| 4350 if (token.value != value) { | |
| 4351 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4352 } | |
| 4353 nextToken(); | |
| 4354 } | |
| 4355 | |
| 4356 /************************************ | |
| 4357 * Determine if the scanner is sitting on the start of a declaration. | |
| 4358 * Input: | |
| 4359 * needId 0 no identifier | |
| 4360 * 1 identifier optional | |
| 4361 * 2 must have identifier | |
| 4362 * Output: | |
| 4363 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4364 */ | |
| 4365 | |
| 4366 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4367 { | |
| 4368 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4369 int haveId = 0; | |
| 4370 | |
| 4371 version (DMDV2) { | |
| 4372 if ((t.value == TOK.TOKconst || | |
| 4373 t.value == TOK.TOKinvariant || | |
| 4374 t.value == TOK.TOKimmutable || | |
| 4375 t.value == TOK.TOKshared) && | |
| 4376 peek(t).value != TOK.TOKlparen) | |
| 4377 { | |
| 4378 /* const type | |
| 4379 * immutable type | |
| 4380 * shared type | |
| 4381 */ | |
| 4382 t = peek(t); | |
| 4383 } | |
| 4384 } | |
| 4385 | |
| 4386 if (!isBasicType(&t)) | |
| 4387 { | |
| 4388 goto Lisnot; | |
| 4389 } | |
| 4390 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4391 goto Lisnot; | |
| 4392 if ( needId == 1 || | |
| 4393 (needId == 0 && !haveId) || | |
| 4394 (needId == 2 && haveId)) | |
| 4395 { | |
| 4396 if (pt) | |
| 4397 *pt = t; | |
| 4398 goto Lis; | |
| 4399 } | |
| 4400 else | |
| 4401 goto Lisnot; | |
| 4402 | |
| 4403 Lis: | |
| 4404 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4405 return true; | |
| 4406 | |
| 4407 Lisnot: | |
| 4408 //printf("\tis not declaration\n"); | |
| 4409 return false; | |
| 4410 } | |
| 4411 | |
| 4412 bool isBasicType(Token** pt) | |
| 4413 { | |
| 4414 // This code parallels parseBasicType() | |
| 4415 Token* t = *pt; | |
| 4416 Token* t2; | |
| 4417 int parens; | |
| 4418 int haveId = 0; | |
| 4419 | |
| 4420 switch (t.value) | |
| 4421 { | |
| 4422 case TOKwchar: | |
| 4423 case TOKdchar: | |
| 4424 case TOKbit: | |
| 4425 case TOKbool: | |
| 4426 case TOKchar: | |
| 4427 case TOKint8: | |
| 4428 case TOKuns8: | |
| 4429 case TOKint16: | |
| 4430 case TOKuns16: | |
| 4431 case TOKint32: | |
| 4432 case TOKuns32: | |
| 4433 case TOKint64: | |
| 4434 case TOKuns64: | |
| 4435 case TOKfloat32: | |
| 4436 case TOKfloat64: | |
| 4437 case TOKfloat80: | |
| 4438 case TOKimaginary32: | |
| 4439 case TOKimaginary64: | |
| 4440 case TOKimaginary80: | |
| 4441 case TOKcomplex32: | |
| 4442 case TOKcomplex64: | |
| 4443 case TOKcomplex80: | |
| 4444 case TOKvoid: | |
| 4445 t = peek(t); | |
| 4446 break; | |
| 4447 | |
| 4448 case TOK.TOKidentifier: | |
| 4449 L5: | |
| 4450 t = peek(t); | |
| 4451 if (t.value == TOK.TOKnot) | |
| 4452 { | |
| 4453 goto L4; | |
| 4454 } | |
| 4455 goto L3; | |
| 4456 while (1) | |
| 4457 { | |
| 4458 L2: | |
| 4459 t = peek(t); | |
| 4460 L3: | |
| 4461 if (t.value == TOK.TOKdot) | |
| 4462 { | |
| 4463 Ldot: | |
| 4464 t = peek(t); | |
| 4465 if (t.value != TOK.TOKidentifier) | |
| 4466 goto Lfalse; | |
| 4467 t = peek(t); | |
| 4468 if (t.value != TOK.TOKnot) | |
| 4469 goto L3; | |
| 4470 L4: | |
| 4471 /* Seen a ! | |
| 4472 * Look for: | |
| 4473 * !( args ), !identifier, etc. | |
| 4474 */ | |
| 4475 t = peek(t); | |
| 4476 switch (t.value) | |
| 4477 { case TOK.TOKidentifier: | |
| 4478 goto L5; | |
| 4479 case TOK.TOKlparen: | |
| 4480 if (!skipParens(t, &t)) | |
| 4481 goto Lfalse; | |
| 4482 break; | |
| 4483 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4484 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4485 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4486 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4487 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4488 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4489 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4490 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4491 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4492 case TOK.TOKvoid: | |
| 4493 case TOK.TOKint32v: | |
| 4494 case TOK.TOKuns32v: | |
| 4495 case TOK.TOKint64v: | |
| 4496 case TOK.TOKuns64v: | |
| 4497 case TOK.TOKfloat32v: | |
| 4498 case TOK.TOKfloat64v: | |
| 4499 case TOK.TOKfloat80v: | |
| 4500 case TOK.TOKimaginary32v: | |
| 4501 case TOK.TOKimaginary64v: | |
| 4502 case TOK.TOKimaginary80v: | |
| 4503 case TOK.TOKnull: | |
| 4504 case TOK.TOKtrue: | |
| 4505 case TOK.TOKfalse: | |
| 4506 case TOK.TOKcharv: | |
| 4507 case TOK.TOKwcharv: | |
| 4508 case TOK.TOKdcharv: | |
| 4509 case TOK.TOKstring: | |
| 4510 case TOK.TOKfile: | |
| 4511 case TOK.TOKline: | |
| 4512 goto L2; | |
| 4513 default: | |
| 4514 goto Lfalse; | |
| 4515 } | |
| 4516 } | |
| 4517 else | |
| 4518 break; | |
| 4519 } | |
| 4520 break; | |
| 4521 | |
| 4522 case TOK.TOKdot: | |
| 4523 goto Ldot; | |
| 4524 | |
| 4525 case TOK.TOKtypeof: | |
| 4526 /* typeof(exp).identifier... | |
| 4527 */ | |
| 4528 t = peek(t); | |
| 4529 if (t.value != TOK.TOKlparen) | |
| 4530 goto Lfalse; | |
| 4531 if (!skipParens(t, &t)) | |
| 4532 goto Lfalse; | |
| 4533 goto L2; | |
| 4534 | |
| 4535 case TOK.TOKconst: | |
| 4536 case TOK.TOKinvariant: | |
| 4537 case TOK.TOKimmutable: | |
| 4538 case TOK.TOKshared: | |
| 4539 // const(type) or immutable(type) or shared(type) | |
| 4540 t = peek(t); | |
| 4541 if (t.value != TOK.TOKlparen) | |
| 4542 goto Lfalse; | |
| 4543 t = peek(t); | |
| 4544 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4545 { | |
| 4546 goto Lfalse; | |
| 4547 } | |
| 4548 t = peek(t); | |
| 4549 break; | |
| 4550 | |
| 4551 default: | |
| 4552 goto Lfalse; | |
| 4553 } | |
| 4554 *pt = t; | |
| 4555 //printf("is\n"); | |
| 4556 return true; | |
| 4557 | |
| 4558 Lfalse: | |
| 4559 //printf("is not\n"); | |
| 4560 return false; | |
| 4561 } | |
| 4562 | |
| 4563 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4564 { | |
| 4565 // This code parallels parseDeclarator() | |
| 4566 Token* t = *pt; | |
| 4567 bool parens; | |
| 4568 | |
| 4569 //printf("Parser.isDeclarator()\n"); | |
| 4570 //t.print(); | |
| 4571 if (t.value == TOK.TOKassign) | |
| 4572 return false; | |
| 4573 | |
| 4574 while (true) | |
| 4575 { | |
| 4576 parens = false; | |
| 4577 switch (t.value) | |
| 4578 { | |
| 4579 case TOK.TOKmul: | |
| 4580 //case TOKand: | |
| 4581 t = peek(t); | |
| 4582 continue; | |
| 4583 | |
| 4584 case TOK.TOKlbracket: | |
| 4585 t = peek(t); | |
| 4586 if (t.value == TOK.TOKrbracket) | |
| 4587 { | |
| 4588 t = peek(t); | |
| 4589 } | |
| 79 | 4590 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4591 { | |
| 4592 t = peek(t); | |
| 4593 t = peek(t); | |
| 4594 } | |
| 0 | 4595 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4596 { | |
| 4597 // It's an associative array declaration | |
| 4598 t = peek(t); | |
| 4599 } | |
| 4600 else | |
| 4601 { | |
| 4602 // [ expression ] | |
| 4603 // [ expression .. expression ] | |
| 4604 if (!isExpression(&t)) | |
| 4605 return false; | |
| 4606 if (t.value == TOK.TOKslice) | |
| 4607 { | |
| 4608 t = peek(t); | |
| 4609 if (!isExpression(&t)) | |
| 4610 return false; | |
| 4611 } | |
| 4612 if (t.value != TOK.TOKrbracket) | |
| 4613 return false; | |
| 4614 t = peek(t); | |
| 4615 } | |
| 4616 continue; | |
| 4617 | |
| 4618 case TOK.TOKidentifier: | |
| 4619 if (*haveId) | |
| 4620 return false; | |
| 4621 *haveId = true; | |
| 4622 t = peek(t); | |
| 4623 break; | |
| 4624 | |
| 4625 case TOK.TOKlparen: | |
| 4626 t = peek(t); | |
| 4627 | |
| 4628 if (t.value == TOK.TOKrparen) | |
| 4629 return false; // () is not a declarator | |
| 4630 | |
| 4631 /* Regard ( identifier ) as not a declarator | |
| 4632 * BUG: what about ( *identifier ) in | |
| 4633 * f(*p)(x); | |
| 4634 * where f is a class instance with overloaded () ? | |
| 4635 * Should we just disallow C-style function pointer declarations? | |
| 4636 */ | |
| 4637 if (t.value == TOK.TOKidentifier) | |
| 4638 { | |
| 4639 Token *t2 = peek(t); | |
| 4640 if (t2.value == TOK.TOKrparen) | |
| 4641 return false; | |
| 4642 } | |
| 4643 | |
| 4644 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4645 return false; | |
| 4646 t = peek(t); | |
| 4647 parens = true; | |
| 4648 break; | |
| 4649 | |
| 4650 case TOK.TOKdelegate: | |
| 4651 case TOK.TOKfunction: | |
| 4652 t = peek(t); | |
| 4653 if (!isParameters(&t)) | |
| 4654 return false; | |
| 4655 continue; | |
| 4656 default: | |
| 4657 break; /// | |
| 4658 } | |
| 4659 break; | |
| 4660 } | |
| 4661 | |
| 4662 while (1) | |
| 4663 { | |
| 4664 switch (t.value) | |
| 4665 { | |
| 4666 version (CARRAYDECL) { | |
| 4667 case TOK.TOKlbracket: | |
| 4668 parens = false; | |
| 4669 t = peek(t); | |
| 4670 if (t.value == TOK.TOKrbracket) | |
| 4671 { | |
| 4672 t = peek(t); | |
| 4673 } | |
| 4674 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4675 { | |
| 4676 // It's an associative array declaration | |
| 4677 t = peek(t); | |
| 4678 } | |
| 4679 else | |
| 4680 { | |
| 4681 // [ expression ] | |
| 4682 if (!isExpression(&t)) | |
| 4683 return false; | |
| 4684 if (t.value != TOK.TOKrbracket) | |
| 4685 return false; | |
| 4686 t = peek(t); | |
| 4687 } | |
| 4688 continue; | |
| 4689 } | |
| 4690 | |
| 4691 case TOK.TOKlparen: | |
| 4692 parens = false; | |
| 4693 if (!isParameters(&t)) | |
| 4694 return false; | |
| 4695 version (DMDV2) { | |
| 4696 while (true) | |
| 4697 { | |
| 4698 switch (t.value) | |
| 4699 { | |
| 4700 case TOK.TOKconst: | |
| 4701 case TOK.TOKinvariant: | |
| 4702 case TOK.TOKimmutable: | |
| 4703 case TOK.TOKshared: | |
| 4704 case TOK.TOKpure: | |
| 4705 case TOK.TOKnothrow: | |
| 4706 t = peek(t); | |
| 4707 continue; | |
| 4708 case TOK.TOKat: | |
| 4709 t = peek(t); // skip '@' | |
| 4710 t = peek(t); // skip identifier | |
| 4711 continue; | |
| 4712 default: | |
| 4713 break; | |
| 4714 } | |
| 4715 break; | |
| 4716 } | |
| 4717 } | |
| 4718 continue; | |
| 4719 | |
| 4720 // Valid tokens that follow a declaration | |
| 4721 case TOK.TOKrparen: | |
| 4722 case TOK.TOKrbracket: | |
| 4723 case TOK.TOKassign: | |
| 4724 case TOK.TOKcomma: | |
| 4725 case TOK.TOKsemicolon: | |
| 4726 case TOK.TOKlcurly: | |
| 4727 case TOK.TOKin: | |
| 4728 // The !parens is to disallow unnecessary parentheses | |
| 4729 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4730 { | |
| 4731 *pt = t; | |
| 4732 return true; | |
| 4733 } | |
| 4734 return false; | |
| 4735 | |
| 4736 default: | |
| 4737 return false; | |
| 4738 } | |
| 4739 } | |
| 4740 } | |
| 4741 | |
| 4742 bool isParameters(Token** pt) | |
| 4743 { | |
| 4744 // This code parallels parseParameters() | |
| 4745 Token* t = *pt; | |
| 4746 | |
| 4747 //printf("isParameters()\n"); | |
| 4748 if (t.value != TOKlparen) | |
| 4749 return false; | |
| 4750 | |
| 4751 t = peek(t); | |
| 4752 for (;1; t = peek(t)) | |
| 4753 { | |
| 4754 L1: | |
| 4755 switch (t.value) | |
| 4756 { | |
| 4757 case TOKrparen: | |
| 4758 break; | |
| 4759 | |
| 4760 case TOKdotdotdot: | |
| 4761 t = peek(t); | |
| 4762 break; | |
| 4763 | |
| 4764 case TOKin: | |
| 4765 case TOKout: | |
| 4766 case TOKinout: | |
| 4767 case TOKref: | |
| 4768 case TOKlazy: | |
| 4769 case TOKfinal: | |
| 4770 continue; | |
| 4771 | |
| 4772 case TOKconst: | |
| 4773 case TOKinvariant: | |
| 4774 case TOKimmutable: | |
| 4775 case TOKshared: | |
| 4776 t = peek(t); | |
| 4777 if (t.value == TOKlparen) | |
| 4778 { | |
| 4779 t = peek(t); | |
| 4780 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4781 return false; | |
| 4782 t = peek(t); // skip past closing ')' | |
| 4783 goto L2; | |
| 4784 } | |
| 4785 goto L1; | |
| 4786 | |
| 4787 static if (false) { | |
| 4788 case TOKstatic: | |
| 4789 continue; | |
| 4790 case TOKauto: | |
| 4791 case TOKalias: | |
| 4792 t = peek(t); | |
| 4793 if (t.value == TOKidentifier) | |
| 4794 t = peek(t); | |
| 4795 if (t.value == TOKassign) | |
| 4796 { t = peek(t); | |
| 4797 if (!isExpression(&t)) | |
| 4798 return false; | |
| 4799 } | |
| 4800 goto L3; | |
| 4801 } | |
| 4802 | |
| 4803 default: | |
| 4804 { | |
| 4805 if (!isBasicType(&t)) | |
| 4806 return false; | |
| 4807 L2: | |
| 4808 int tmp = false; | |
| 4809 if (t.value != TOKdotdotdot && | |
| 4810 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4811 return false; | |
| 4812 if (t.value == TOKassign) | |
| 4813 { | |
| 4814 t = peek(t); | |
| 4815 if (!isExpression(&t)) | |
| 4816 return false; | |
| 4817 } | |
| 4818 if (t.value == TOKdotdotdot) | |
| 4819 { | |
| 4820 t = peek(t); | |
| 4821 break; | |
| 4822 } | |
| 4823 } | |
| 4824 L3: | |
| 4825 if (t.value == TOKcomma) | |
| 4826 { | |
| 4827 continue; | |
| 4828 } | |
| 4829 break; | |
| 4830 } | |
| 4831 break; | |
| 4832 } | |
| 4833 | |
| 4834 if (t.value != TOKrparen) | |
| 4835 return false; | |
| 4836 | |
| 4837 t = peek(t); | |
| 4838 *pt = t; | |
| 4839 return true; | |
| 4840 } | |
| 4841 | |
| 4842 bool isExpression(Token** pt) | |
| 4843 { | |
| 4844 // This is supposed to determine if something is an expression. | |
| 4845 // What it actually does is scan until a closing right bracket | |
| 4846 // is found. | |
| 4847 | |
| 4848 Token* t = *pt; | |
| 4849 int brnest = 0; | |
| 4850 int panest = 0; | |
| 4851 int curlynest = 0; | |
| 4852 | |
| 4853 for (;; t = peek(t)) | |
| 4854 { | |
| 4855 switch (t.value) | |
| 4856 { | |
| 4857 case TOKlbracket: | |
| 4858 brnest++; | |
| 4859 continue; | |
| 4860 | |
| 4861 case TOKrbracket: | |
| 4862 if (--brnest >= 0) | |
| 4863 continue; | |
| 4864 break; | |
| 4865 | |
| 4866 case TOKlparen: | |
| 4867 panest++; | |
| 4868 continue; | |
| 4869 | |
| 4870 case TOKcomma: | |
| 4871 if (brnest || panest) | |
| 4872 continue; | |
| 4873 break; | |
| 4874 | |
| 4875 case TOKrparen: | |
| 4876 if (--panest >= 0) | |
| 4877 continue; | |
| 4878 break; | |
| 4879 | |
| 4880 case TOKlcurly: | |
| 4881 curlynest++; | |
| 4882 continue; | |
| 4883 | |
| 4884 case TOKrcurly: | |
| 4885 if (--curlynest >= 0) | |
| 4886 continue; | |
| 4887 return false; | |
| 4888 | |
| 4889 case TOKslice: | |
| 4890 if (brnest) | |
| 4891 continue; | |
| 4892 break; | |
| 4893 | |
| 4894 case TOKsemicolon: | |
| 4895 if (curlynest) | |
| 4896 continue; | |
| 4897 return false; | |
| 4898 | |
| 4899 case TOKeof: | |
| 4900 return false; | |
| 4901 | |
| 4902 default: | |
| 4903 continue; | |
| 4904 } | |
| 4905 break; | |
| 4906 } | |
| 4907 | |
| 4908 *pt = t; | |
| 4909 return true; | |
| 4910 } | |
| 4911 | |
| 4912 int isTemplateInstance(Token t, Token* pt) | |
| 4913 { | |
| 4914 assert(false); | |
| 4915 } | |
| 4916 | |
| 4917 /******************************************* | |
| 4918 * Skip parens, brackets. | |
| 4919 * Input: | |
| 4920 * t is on opening ( | |
| 4921 * Output: | |
| 4922 * *pt is set to closing token, which is ')' on success | |
| 4923 * Returns: | |
| 4924 * !=0 successful | |
| 4925 * 0 some parsing error | |
| 4926 */ | |
| 4927 bool skipParens(Token* t, Token** pt) | |
| 4928 { | |
| 4929 int parens = 0; | |
| 4930 | |
| 4931 while (1) | |
| 4932 { | |
| 4933 switch (t.value) | |
| 4934 { | |
| 4935 case TOKlparen: | |
| 4936 parens++; | |
| 4937 break; | |
| 4938 | |
| 4939 case TOKrparen: | |
| 4940 parens--; | |
| 4941 if (parens < 0) | |
| 4942 goto Lfalse; | |
| 4943 if (parens == 0) | |
| 4944 goto Ldone; | |
| 4945 break; | |
| 4946 | |
| 4947 case TOKeof: | |
| 4948 case TOKsemicolon: | |
| 4949 goto Lfalse; | |
| 4950 | |
| 4951 default: | |
| 4952 break; | |
| 4953 } | |
| 4954 t = peek(t); | |
| 4955 } | |
| 4956 | |
| 4957 Ldone: | |
| 4958 if (*pt) | |
| 4959 *pt = t; | |
| 4960 return true; | |
| 4961 | |
| 4962 Lfalse: | |
| 4963 return false; | |
| 4964 } | |
| 4965 | |
| 4966 Expression parseExpression() | |
| 4967 { | |
| 4968 Expression e; | |
| 4969 Expression e2; | |
| 4970 Loc loc = this.loc; | |
| 4971 | |
| 4972 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4973 e = parseAssignExp(); | |
| 4974 while (token.value == TOK.TOKcomma) | |
| 4975 { | |
| 4976 nextToken(); | |
| 4977 e2 = parseAssignExp(); | |
| 4978 e = new CommaExp(loc, e, e2); | |
| 4979 loc = this.loc; | |
| 4980 } | |
| 4981 return e; | |
| 4982 } | |
| 4983 | |
| 4984 Expression parsePrimaryExp() | |
| 4985 { | |
| 4986 Expression e; | |
| 4987 Type t; | |
| 4988 Identifier id; | |
| 4989 TOK save; | |
| 4990 Loc loc = this.loc; | |
| 4991 | |
| 4992 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4993 switch (token.value) | |
| 4994 { | |
| 4995 case TOK.TOKidentifier: | |
| 4996 id = token.ident; | |
| 4997 nextToken(); | |
| 4998 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 4999 { // identifier!(template-argument-list) | |
| 5000 TemplateInstance tempinst; | |
| 5001 | |
| 5002 tempinst = new TemplateInstance(loc, id); | |
| 5003 nextToken(); | |
| 5004 if (token.value == TOK.TOKlparen) | |
| 5005 // ident!(template_arguments) | |
| 5006 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5007 else | |
| 5008 // ident!template_argument | |
| 5009 tempinst.tiargs = parseTemplateArgument(); | |
| 5010 e = new ScopeExp(loc, tempinst); | |
| 5011 } | |
| 5012 else | |
| 5013 e = new IdentifierExp(loc, id); | |
| 5014 break; | |
| 5015 | |
| 5016 case TOK.TOKdollar: | |
| 5017 if (!inBrackets) | |
| 5018 error("'$' is valid only inside [] of index or slice"); | |
| 5019 e = new DollarExp(loc); | |
| 5020 nextToken(); | |
| 5021 break; | |
| 5022 | |
| 5023 case TOK.TOKdot: | |
| 5024 // Signal global scope '.' operator with "" identifier | |
| 5025 e = new IdentifierExp(loc, Id.empty); | |
| 5026 break; | |
| 5027 | |
| 5028 case TOK.TOKthis: | |
| 5029 e = new ThisExp(loc); | |
| 5030 nextToken(); | |
| 5031 break; | |
| 5032 | |
| 5033 case TOK.TOKsuper: | |
| 5034 e = new SuperExp(loc); | |
| 5035 nextToken(); | |
| 5036 break; | |
| 5037 | |
| 5038 case TOK.TOKint32v: | |
| 5039 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 5040 nextToken(); | |
| 5041 break; | |
| 5042 | |
| 5043 case TOK.TOKuns32v: | |
| 5044 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 5045 nextToken(); | |
| 5046 break; | |
| 5047 | |
| 5048 case TOK.TOKint64v: | |
| 5049 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 5050 nextToken(); | |
| 5051 break; | |
| 5052 | |
| 5053 case TOK.TOKuns64v: | |
| 5054 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 5055 nextToken(); | |
| 5056 break; | |
| 5057 | |
| 5058 case TOK.TOKfloat32v: | |
| 5059 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 5060 nextToken(); | |
| 5061 break; | |
| 5062 | |
| 5063 case TOK.TOKfloat64v: | |
| 5064 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 5065 nextToken(); | |
| 5066 break; | |
| 5067 | |
| 5068 case TOK.TOKfloat80v: | |
| 5069 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 5070 nextToken(); | |
| 5071 break; | |
| 5072 | |
| 5073 case TOK.TOKimaginary32v: | |
| 5074 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5075 nextToken(); | |
| 5076 break; | |
| 5077 | |
| 5078 case TOK.TOKimaginary64v: | |
| 5079 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5080 nextToken(); | |
| 5081 break; | |
| 5082 | |
| 5083 case TOK.TOKimaginary80v: | |
| 5084 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5085 nextToken(); | |
| 5086 break; | |
| 5087 | |
| 5088 case TOK.TOKnull: | |
| 5089 e = new NullExp(loc); | |
| 5090 nextToken(); | |
| 5091 break; | |
| 5092 | |
| 5093 version (DMDV2) { | |
| 5094 case TOK.TOKfile: | |
| 5095 { | |
| 5096 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5097 e = new StringExp(loc, s, 0); | |
| 5098 nextToken(); | |
| 5099 break; | |
| 5100 } | |
| 5101 | |
| 5102 case TOK.TOKline: | |
| 5103 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5104 nextToken(); | |
| 5105 break; | |
| 5106 } | |
| 5107 | |
| 5108 case TOK.TOKtrue: | |
| 5109 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5110 nextToken(); | |
| 5111 break; | |
| 5112 | |
| 5113 case TOK.TOKfalse: | |
| 5114 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5115 nextToken(); | |
| 5116 break; | |
| 5117 | |
| 5118 case TOK.TOKcharv: | |
| 5119 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5120 nextToken(); | |
| 5121 break; | |
| 5122 | |
| 5123 case TOK.TOKwcharv: | |
| 5124 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5125 nextToken(); | |
| 5126 break; | |
| 5127 | |
| 5128 case TOK.TOKdcharv: | |
| 5129 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5130 nextToken(); | |
| 5131 break; | |
| 5132 | |
| 5133 case TOK.TOKstring: | |
| 5134 { | |
| 5135 const(char)* s; | |
| 5136 uint len; | |
| 5137 ubyte postfix; | |
| 5138 | |
| 5139 // cat adjacent strings | |
| 5140 s = token.ustring; | |
| 5141 len = token.len; | |
| 5142 postfix = token.postfix; | |
| 5143 while (1) | |
| 5144 { | |
| 5145 nextToken(); | |
| 5146 if (token.value == TOK.TOKstring) | |
| 5147 { uint len1; | |
| 5148 uint len2; | |
| 5149 char* s2; | |
| 5150 | |
| 5151 if (token.postfix) | |
| 5152 { if (token.postfix != postfix) | |
| 5153 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5154 postfix = token.postfix; | |
| 5155 } | |
| 5156 | |
| 5157 len1 = len; | |
| 5158 len2 = token.len; | |
| 5159 len = len1 + len2; | |
| 2 | 5160 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5161 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5162 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5163 s = s2; | |
| 5164 } | |
| 5165 else | |
| 5166 break; | |
| 5167 } | |
| 5168 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5169 break; | |
| 5170 } | |
| 5171 | |
| 5172 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5173 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5174 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5175 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5176 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5177 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5178 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5179 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5180 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5181 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5182 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5183 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5184 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5185 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5186 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5187 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5188 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5189 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5190 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5191 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5192 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5193 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5194 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5195 LabelX: | |
| 5196 nextToken(); | |
| 5197 L1: | |
| 5198 check(TOK.TOKdot, t.toChars()); | |
| 5199 if (token.value != TOK.TOKidentifier) | |
| 5200 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5201 goto Lerr; | |
| 5202 } | |
| 5203 e = typeDotIdExp(loc, t, token.ident); | |
| 5204 nextToken(); | |
| 5205 break; | |
| 5206 | |
| 5207 case TOK.TOKtypeof: | |
| 5208 { | |
| 5209 t = parseTypeof(); | |
| 5210 e = new TypeExp(loc, t); | |
| 5211 break; | |
| 5212 } | |
| 5213 | |
| 5214 case TOK.TOKtypeid: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5215 { |
| 0 | 5216 nextToken(); |
| 5217 check(TOK.TOKlparen, "typeid"); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
5218 Object o; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5219 if (isDeclaration(&token, 0, TOKreserved, NULL)) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5220 { // argument is a type |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5221 o = parseType(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5222 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5223 else |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5224 { // argument is an expression |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5225 o = parseAssignExp(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5226 } |
| 0 | 5227 check(TOK.TOKrparen); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5228 e = new TypeidExp(loc, o); |
| 0 | 5229 break; |
| 5230 } | |
| 5231 | |
| 5232 version (DMDV2) { | |
| 5233 case TOK.TOKtraits: | |
| 5234 { /* __traits(identifier, args...) | |
| 5235 */ | |
| 5236 Identifier ident; | |
| 5237 Objects args = null; | |
| 5238 | |
| 5239 nextToken(); | |
| 5240 check(TOK.TOKlparen); | |
| 5241 if (token.value != TOK.TOKidentifier) | |
| 5242 { error("__traits(identifier, args...) expected"); | |
| 5243 goto Lerr; | |
| 5244 } | |
| 5245 ident = token.ident; | |
| 5246 nextToken(); | |
| 5247 if (token.value == TOK.TOKcomma) | |
| 5248 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5249 else | |
| 5250 check(TOK.TOKrparen); // __traits(identifier) | |
| 5251 | |
| 5252 e = new TraitsExp(loc, ident, args); | |
| 5253 break; | |
| 5254 } | |
| 5255 } | |
| 5256 | |
| 5257 case TOK.TOKis: | |
| 5258 { Type targ; | |
| 5259 Identifier ident = null; | |
| 5260 Type tspec = null; | |
| 5261 TOK tok = TOK.TOKreserved; | |
| 5262 TOK tok2 = TOK.TOKreserved; | |
| 5263 TemplateParameters tpl = null; | |
| 5264 Loc loc2 = this.loc; | |
| 5265 | |
| 5266 nextToken(); | |
| 5267 if (token.value == TOK.TOKlparen) | |
| 5268 { | |
| 5269 nextToken(); | |
| 5270 targ = parseType(&ident); | |
| 5271 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5272 { | |
| 5273 tok = token.value; | |
| 5274 nextToken(); | |
| 5275 if (tok == TOK.TOKequal && | |
| 5276 (token.value == TOK.TOKtypedef || | |
| 5277 token.value == TOK.TOKstruct || | |
| 5278 token.value == TOK.TOKunion || | |
| 5279 token.value == TOK.TOKclass || | |
| 5280 token.value == TOK.TOKsuper || | |
| 5281 token.value == TOK.TOKenum || | |
| 5282 token.value == TOK.TOKinterface || | |
| 5283 ///version (DMDV2) { | |
| 5284 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5285 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5286 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5287 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5288 ///} | |
| 5289 token.value == TOK.TOKfunction || | |
| 5290 token.value == TOK.TOKdelegate || | |
| 5291 token.value == TOK.TOKreturn)) | |
| 5292 { | |
| 5293 tok2 = token.value; | |
| 5294 nextToken(); | |
| 5295 } | |
| 5296 else | |
| 5297 { | |
| 5298 tspec = parseType(); | |
| 5299 } | |
| 5300 } | |
| 5301 if (ident && tspec) | |
| 5302 { | |
| 5303 if (token.value == TOK.TOKcomma) | |
| 5304 tpl = parseTemplateParameterList(1); | |
| 5305 else | |
| 5306 { tpl = new TemplateParameters(); | |
| 5307 check(TOK.TOKrparen); | |
| 5308 } | |
| 5309 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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114
diff
changeset
|
5310 tpl.insert(0, tp); |
| 0 | 5311 } |
| 5312 else | |
| 5313 check(TOK.TOKrparen); | |
| 5314 } | |
| 5315 else | |
| 5316 { error("(type identifier : specialization) expected following is"); | |
| 5317 goto Lerr; | |
| 5318 } | |
| 5319 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5320 break; | |
| 5321 } | |
| 5322 | |
| 5323 case TOK.TOKassert: | |
| 5324 { | |
| 5325 Expression msg = null; | |
| 5326 | |
| 5327 nextToken(); | |
| 5328 check(TOK.TOKlparen, "assert"); | |
| 5329 e = parseAssignExp(); | |
| 5330 if (token.value == TOK.TOKcomma) | |
| 5331 { nextToken(); | |
| 5332 msg = parseAssignExp(); | |
| 5333 } | |
| 5334 check(TOK.TOKrparen); | |
| 5335 e = new AssertExp(loc, e, msg); | |
| 5336 break; | |
| 5337 } | |
| 5338 | |
| 5339 case TOK.TOKmixin: | |
| 5340 { | |
| 5341 nextToken(); | |
| 5342 check(TOK.TOKlparen, "mixin"); | |
| 5343 e = parseAssignExp(); | |
| 5344 check(TOK.TOKrparen); | |
| 5345 e = new CompileExp(loc, e); | |
| 5346 break; | |
| 5347 } | |
| 5348 | |
| 5349 case TOK.TOKimport: | |
| 5350 { | |
| 5351 nextToken(); | |
| 5352 check(TOK.TOKlparen, "import"); | |
| 5353 e = parseAssignExp(); | |
| 5354 check(TOK.TOKrparen); | |
| 5355 e = new FileExp(loc, e); | |
| 5356 break; | |
| 5357 } | |
| 5358 | |
| 5359 case TOK.TOKlparen: | |
| 5360 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5361 { // (arguments) { statements... } | |
| 5362 save = TOK.TOKdelegate; | |
| 5363 goto case_delegate; | |
| 5364 } | |
| 5365 // ( expression ) | |
| 5366 nextToken(); | |
| 5367 e = parseExpression(); | |
| 5368 check(loc, TOK.TOKrparen); | |
| 5369 break; | |
| 5370 | |
| 5371 case TOK.TOKlbracket: | |
| 5372 { /* Parse array literals and associative array literals: | |
| 5373 * [ value, value, value ... ] | |
| 5374 * [ key:value, key:value, key:value ... ] | |
| 5375 */ | |
| 5376 Expressions values = new Expressions(); | |
| 5377 Expressions keys = null; | |
| 5378 | |
| 5379 nextToken(); | |
| 5380 if (token.value != TOK.TOKrbracket) | |
| 5381 { | |
| 5382 while (token.value != TOK.TOKeof) | |
| 5383 { | |
| 5384 Expression e2 = parseAssignExp(); | |
| 5385 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5386 { | |
| 5387 nextToken(); | |
| 5388 if (!keys) | |
| 5389 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5390 keys.push(e2); |
| 0 | 5391 e2 = parseAssignExp(); |
| 5392 } | |
| 5393 else if (keys) | |
| 5394 { | |
| 5395 error("'key:value' expected for associative array literal"); | |
| 5396 delete keys; | |
| 5397 keys = null; | |
| 5398 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5399 values.push(e2); |
| 0 | 5400 if (token.value == TOK.TOKrbracket) |
| 5401 break; | |
| 5402 check(TOK.TOKcomma); | |
| 5403 } | |
| 5404 } | |
| 5405 check(TOK.TOKrbracket); | |
| 5406 | |
| 5407 if (keys) | |
| 5408 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5409 else | |
| 5410 e = new ArrayLiteralExp(loc, values); | |
| 5411 break; | |
| 5412 } | |
| 5413 | |
| 5414 case TOK.TOKlcurly: | |
| 5415 // { statements... } | |
| 5416 save = TOK.TOKdelegate; | |
| 5417 goto case_delegate; | |
| 5418 | |
| 5419 case TOK.TOKfunction: | |
| 5420 case TOK.TOKdelegate: | |
| 5421 save = token.value; | |
| 5422 nextToken(); | |
| 5423 case_delegate: | |
| 5424 { | |
| 5425 /* function type(parameters) { body } pure nothrow | |
| 5426 * delegate type(parameters) { body } pure nothrow | |
| 5427 * (parameters) { body } | |
| 5428 * { body } | |
| 5429 */ | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5430 Parameters arguments; |
| 0 | 5431 int varargs; |
| 5432 FuncLiteralDeclaration fd; | |
| 5433 Type tt; | |
| 5434 bool isnothrow = false; | |
| 5435 bool ispure = false; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5436 bool isproperty = false; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5437 TRUST trust = TRUSTdefault; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5438 |
| 0 | 5439 if (token.value == TOK.TOKlcurly) |
| 5440 { | |
| 5441 tt = null; | |
| 5442 varargs = 0; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5443 arguments = new Parameters(); |
| 0 | 5444 } |
| 5445 else | |
| 5446 { | |
| 5447 if (token.value == TOK.TOKlparen) | |
| 5448 tt = null; | |
| 5449 else | |
| 5450 { | |
| 5451 tt = parseBasicType(); | |
| 5452 tt = parseBasicType2(tt); // function return type | |
| 5453 } | |
| 5454 arguments = parseParameters(&varargs); | |
| 5455 while (1) | |
| 5456 { | |
| 5457 if (token.value == TOK.TOKpure) | |
| 5458 ispure = true; | |
| 5459 else if (token.value == TOK.TOKnothrow) | |
| 5460 isnothrow = true; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5461 else if (token.value == TOKat) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5462 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5463 STC stc = parseAttribute(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5464 switch (cast(uint)(stc >> 32)) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5465 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5466 case STCproperty >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5467 isproperty = true; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5468 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5469 case STCsafe >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5470 trust = TRUSTsafe; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5471 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5472 case STCsystem >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5473 trust = TRUSTsystem; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5474 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5475 case STCtrusted >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5476 trust = TRUSTtrusted; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5477 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5478 case 0: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5479 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5480 default: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5481 assert(0); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5482 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5483 } |
| 0 | 5484 else |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5485 break; |
| 0 | 5486 nextToken(); |
| 5487 } | |
| 5488 } | |
| 5489 | |
| 5490 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5491 tf.ispure = ispure; | |
| 5492 tf.isnothrow = isnothrow; | |
|
130
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128
diff
changeset
|
5493 tf.isproperty = isproperty; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5494 tf.trust = trust; |
| 0 | 5495 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); |
| 5496 parseContracts(fd); | |
| 5497 e = new FuncExp(loc, fd); | |
| 5498 break; | |
| 5499 } | |
| 5500 | |
| 5501 default: | |
| 5502 error("expression expected, not '%s'", token.toChars()); | |
| 5503 Lerr: | |
| 5504 // Anything for e, as long as it's not null | |
| 5505 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5506 nextToken(); | |
| 5507 break; | |
| 5508 } | |
| 5509 return e; | |
| 5510 } | |
| 5511 | |
| 5512 Expression parseUnaryExp() | |
| 5513 { | |
| 5514 Expression e; | |
| 5515 Loc loc = this.loc; | |
| 5516 | |
| 5517 switch (token.value) | |
| 5518 { | |
| 5519 case TOK.TOKand: | |
| 5520 nextToken(); | |
| 5521 e = parseUnaryExp(); | |
| 5522 e = new AddrExp(loc, e); | |
| 5523 break; | |
| 5524 | |
| 5525 case TOK.TOKplusplus: | |
| 5526 nextToken(); | |
| 5527 e = parseUnaryExp(); | |
| 5528 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5529 break; | |
| 5530 | |
| 5531 case TOK.TOKminusminus: | |
| 5532 nextToken(); | |
| 5533 e = parseUnaryExp(); | |
| 5534 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5535 break; | |
| 5536 | |
| 5537 case TOK.TOKmul: | |
| 5538 nextToken(); | |
| 5539 e = parseUnaryExp(); | |
| 5540 e = new PtrExp(loc, e); | |
| 5541 break; | |
| 5542 | |
| 5543 case TOK.TOKmin: | |
| 5544 nextToken(); | |
| 5545 e = parseUnaryExp(); | |
| 5546 e = new NegExp(loc, e); | |
| 5547 break; | |
| 5548 | |
| 5549 case TOK.TOKadd: | |
| 5550 nextToken(); | |
| 5551 e = parseUnaryExp(); | |
| 5552 e = new UAddExp(loc, e); | |
| 5553 break; | |
| 5554 | |
| 5555 case TOK.TOKnot: | |
| 5556 nextToken(); | |
| 5557 e = parseUnaryExp(); | |
| 5558 e = new NotExp(loc, e); | |
| 5559 break; | |
| 5560 | |
| 5561 case TOK.TOKtilde: | |
| 5562 nextToken(); | |
| 5563 e = parseUnaryExp(); | |
| 5564 e = new ComExp(loc, e); | |
| 5565 break; | |
| 5566 | |
| 5567 case TOK.TOKdelete: | |
| 5568 nextToken(); | |
| 5569 e = parseUnaryExp(); | |
| 5570 e = new DeleteExp(loc, e); | |
| 5571 break; | |
| 5572 | |
| 5573 case TOK.TOKnew: | |
| 5574 e = parseNewExp(null); | |
| 5575 break; | |
| 5576 | |
| 5577 case TOK.TOKcast: // cast(type) expression | |
| 5578 { | |
| 5579 nextToken(); | |
| 5580 check(TOK.TOKlparen); | |
| 5581 /* Look for cast(), cast(const), cast(immutable), | |
| 5582 * cast(shared), cast(shared const) | |
| 5583 */ | |
| 5584 MOD m; | |
| 5585 if (token.value == TOK.TOKrparen) | |
| 5586 { | |
| 5587 m = MOD.MODundefined; | |
| 5588 goto Lmod1; | |
| 5589 } | |
| 5590 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5591 { | |
| 5592 m = MOD.MODconst; | |
| 5593 goto Lmod2; | |
| 5594 } | |
| 5595 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5596 { | |
| 5597 m = MOD.MODinvariant; | |
| 5598 goto Lmod2; | |
| 5599 } | |
| 5600 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5601 { | |
| 5602 m = MOD.MODshared; | |
| 5603 goto Lmod2; | |
| 5604 } | |
| 5605 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5606 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5607 { | |
| 5608 m = MOD.MODshared | MOD.MODconst; | |
| 5609 nextToken(); | |
| 5610 Lmod2: | |
| 5611 nextToken(); | |
| 5612 Lmod1: | |
| 5613 nextToken(); | |
| 5614 e = parseUnaryExp(); | |
| 5615 e = new CastExp(loc, e, m); | |
| 5616 } | |
| 5617 else | |
| 5618 { | |
| 5619 Type t = parseType(); // ( type ) | |
| 5620 check(TOK.TOKrparen); | |
| 5621 e = parseUnaryExp(); | |
| 5622 e = new CastExp(loc, e, t); | |
| 5623 } | |
| 5624 break; | |
| 5625 } | |
| 5626 | |
| 5627 case TOK.TOKlparen: | |
| 5628 { Token *tk; | |
| 5629 | |
| 5630 tk = peek(&token); | |
| 5631 version (CCASTSYNTAX) { | |
| 5632 // If cast | |
| 5633 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5634 { | |
| 5635 tk = peek(tk); // skip over right parenthesis | |
| 5636 switch (tk.value) | |
| 5637 { | |
| 5638 case TOK.TOKnot: | |
| 5639 tk = peek(tk); | |
| 5640 if (tk.value == TOK.TOKis) // !is | |
| 5641 break; | |
| 5642 case TOK.TOKdot: | |
| 5643 case TOK.TOKplusplus: | |
| 5644 case TOK.TOKminusminus: | |
| 5645 case TOK.TOKdelete: | |
| 5646 case TOK.TOKnew: | |
| 5647 case TOK.TOKlparen: | |
| 5648 case TOK.TOKidentifier: | |
| 5649 case TOK.TOKthis: | |
| 5650 case TOK.TOKsuper: | |
| 5651 case TOK.TOKint32v: | |
| 5652 case TOK.TOKuns32v: | |
| 5653 case TOK.TOKint64v: | |
| 5654 case TOK.TOKuns64v: | |
| 5655 case TOK.TOKfloat32v: | |
| 5656 case TOK.TOKfloat64v: | |
| 5657 case TOK.TOKfloat80v: | |
| 5658 case TOK.TOKimaginary32v: | |
| 5659 case TOK.TOKimaginary64v: | |
| 5660 case TOK.TOKimaginary80v: | |
| 5661 case TOK.TOKnull: | |
| 5662 case TOK.TOKtrue: | |
| 5663 case TOK.TOKfalse: | |
| 5664 case TOK.TOKcharv: | |
| 5665 case TOK.TOKwcharv: | |
| 5666 case TOK.TOKdcharv: | |
| 5667 case TOK.TOKstring: | |
| 5668 static if (false) { | |
| 5669 case TOK.TOKtilde: | |
| 5670 case TOK.TOKand: | |
| 5671 case TOK.TOKmul: | |
| 5672 case TOK.TOKmin: | |
| 5673 case TOK.TOKadd: | |
| 5674 } | |
| 5675 case TOK.TOKfunction: | |
| 5676 case TOK.TOKdelegate: | |
| 5677 case TOK.TOKtypeof: | |
| 5678 version (DMDV2) { | |
| 5679 case TOK.TOKfile: | |
| 5680 case TOK.TOKline: | |
| 5681 } | |
| 5682 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5683 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5684 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5685 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5686 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5687 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5688 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5689 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5690 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5691 case TOK.TOKvoid: // (type)int.size | |
| 5692 { | |
| 5693 // (type) una_exp | |
| 5694 nextToken(); | |
| 5695 Type t = parseType(); | |
| 5696 check(TOK.TOKrparen); | |
| 5697 | |
| 5698 // if .identifier | |
| 5699 if (token.value == TOK.TOKdot) | |
| 5700 { | |
| 5701 nextToken(); | |
| 5702 if (token.value != TOK.TOKidentifier) | |
| 5703 { | |
| 5704 error("Identifier expected following (type)."); | |
| 5705 return null; | |
| 5706 } | |
| 5707 e = typeDotIdExp(loc, t, token.ident); | |
| 5708 nextToken(); | |
| 5709 e = parsePostExp(e); | |
| 5710 } | |
| 5711 else | |
| 5712 { | |
| 5713 e = parseUnaryExp(); | |
| 5714 e = new CastExp(loc, e, t); | |
| 5715 error("C style cast illegal, use %s", e.toChars()); | |
| 5716 } | |
| 5717 return e; | |
| 5718 } | |
| 5719 | |
| 5720 default: | |
| 5721 break; /// | |
| 5722 } | |
| 5723 } | |
| 5724 } | |
| 5725 e = parsePrimaryExp(); | |
| 5726 e = parsePostExp(e); | |
| 5727 break; | |
| 5728 } | |
| 5729 default: | |
| 5730 e = parsePrimaryExp(); | |
| 5731 e = parsePostExp(e); | |
| 5732 break; | |
| 5733 } | |
| 5734 assert(e); | |
| 5735 return e; | |
| 5736 } | |
| 5737 | |
| 5738 Expression parsePostExp(Expression e) | |
| 5739 { | |
| 5740 Loc loc; | |
| 5741 | |
| 5742 while (1) | |
| 5743 { | |
| 5744 loc = this.loc; | |
| 5745 switch (token.value) | |
| 5746 { | |
| 5747 case TOK.TOKdot: | |
| 5748 nextToken(); | |
| 5749 if (token.value == TOK.TOKidentifier) | |
| 5750 { Identifier id = token.ident; | |
| 5751 | |
| 5752 nextToken(); | |
| 5753 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5754 { // identifier!(template-argument-list) | |
| 5755 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
|
130
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5756 Objects tiargs; |
| 0 | 5757 nextToken(); |
| 5758 if (token.value == TOK.TOKlparen) | |
| 5759 // ident!(template_arguments) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5760 tiargs = parseTemplateArgumentList(); |
| 0 | 5761 else |
| 5762 // ident!template_argument | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5763 tiargs = parseTemplateArgument(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5764 e = new DotTemplateInstanceExp(loc, e, tiargs); |
| 0 | 5765 } |
| 5766 else | |
| 5767 e = new DotIdExp(loc, e, id); | |
| 5768 continue; | |
| 5769 } | |
| 5770 else if (token.value == TOK.TOKnew) | |
| 5771 { | |
| 5772 e = parseNewExp(e); | |
| 5773 continue; | |
| 5774 } | |
| 5775 else | |
| 5776 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5777 break; | |
| 5778 | |
| 5779 case TOK.TOKplusplus: | |
| 5780 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5781 break; | |
| 5782 | |
| 5783 case TOK.TOKminusminus: | |
| 5784 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5785 break; | |
| 5786 | |
| 5787 case TOK.TOKlparen: | |
| 5788 e = new CallExp(loc, e, parseArguments()); | |
| 5789 continue; | |
| 5790 | |
| 5791 case TOK.TOKlbracket: | |
| 5792 { // array dereferences: | |
| 5793 // array[index] | |
| 5794 // array[] | |
| 5795 // array[lwr .. upr] | |
| 5796 Expression index; | |
| 5797 Expression upr; | |
| 5798 | |
| 5799 inBrackets++; | |
| 5800 nextToken(); | |
| 5801 if (token.value == TOK.TOKrbracket) | |
| 5802 { // array[] | |
| 5803 e = new SliceExp(loc, e, null, null); | |
| 5804 nextToken(); | |
| 5805 } | |
| 5806 else | |
| 5807 { | |
| 5808 index = parseAssignExp(); | |
| 5809 if (token.value == TOK.TOKslice) | |
| 5810 { // array[lwr .. upr] | |
| 5811 nextToken(); | |
| 5812 upr = parseAssignExp(); | |
| 5813 e = new SliceExp(loc, e, index, upr); | |
| 5814 } | |
| 5815 else | |
| 5816 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5817 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5818 arguments.push(index); |
| 0 | 5819 if (token.value == TOK.TOKcomma) |
| 5820 { | |
| 5821 nextToken(); | |
| 5822 while (1) | |
| 5823 { Expression arg; | |
| 5824 | |
| 5825 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5826 arguments.push(arg); |
| 0 | 5827 if (token.value == TOK.TOKrbracket) |
| 5828 break; | |
| 5829 check(TOK.TOKcomma); | |
| 5830 } | |
| 5831 } | |
| 5832 e = new ArrayExp(loc, e, arguments); | |
| 5833 } | |
| 5834 check(TOK.TOKrbracket); | |
| 5835 inBrackets--; | |
| 5836 } | |
| 5837 continue; | |
| 5838 } | |
| 5839 | |
| 5840 default: | |
| 5841 return e; | |
| 5842 } | |
| 5843 nextToken(); | |
| 5844 } | |
| 5845 | |
| 5846 assert(false); | |
| 5847 } | |
| 5848 | |
| 5849 Expression parseMulExp() | |
| 5850 { | |
| 5851 Expression e; | |
| 5852 Expression e2; | |
| 5853 Loc loc = this.loc; | |
| 5854 | |
| 5855 e = parseUnaryExp(); | |
| 5856 while (1) | |
| 5857 { | |
| 5858 switch (token.value) | |
| 5859 { | |
| 5860 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
|
5861 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
|
5862 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5863 case TOK.TOKpow: nextToken(); e2 = parseUnaryExp(); e = new PowExp(loc,e,e2); continue; |
| 0 | 5864 |
| 5865 default: | |
| 5866 break; | |
| 5867 } | |
| 5868 break; | |
| 5869 } | |
| 5870 return e; | |
| 5871 } | |
| 5872 | |
| 5873 Expression parseShiftExp() | |
| 5874 { | |
| 5875 Expression e; | |
| 5876 Expression e2; | |
| 5877 Loc loc = this.loc; | |
| 5878 | |
| 5879 e = parseAddExp(); | |
| 5880 while (1) | |
| 5881 { | |
| 5882 switch (token.value) | |
| 5883 { | |
| 5884 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5885 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5886 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5887 | |
| 5888 default: | |
| 5889 break; | |
| 5890 } | |
| 5891 break; | |
| 5892 } | |
| 5893 return e; | |
| 5894 } | |
| 5895 | |
| 5896 Expression parseAddExp() | |
| 5897 { | |
| 5898 Expression e; | |
| 5899 Expression e2; | |
| 5900 Loc loc = this.loc; | |
| 5901 | |
| 5902 e = parseMulExp(); | |
| 5903 while (1) | |
| 5904 { | |
| 5905 switch (token.value) | |
| 5906 { | |
| 5907 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5908 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5909 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5910 | |
| 5911 default: | |
| 5912 break; | |
| 5913 } | |
| 5914 break; | |
| 5915 } | |
| 5916 return e; | |
| 5917 } | |
| 5918 | |
| 5919 Expression parseRelExp() | |
| 5920 { | |
| 5921 assert(false); | |
| 5922 } | |
| 5923 | |
| 5924 Expression parseEqualExp() | |
| 5925 { | |
| 5926 assert(false); | |
| 5927 } | |
| 5928 | |
| 5929 Expression parseCmpExp() | |
| 5930 { | |
| 5931 Expression e; | |
| 5932 Expression e2; | |
| 5933 Token* t; | |
| 5934 Loc loc = this.loc; | |
| 5935 | |
| 5936 e = parseShiftExp(); | |
| 5937 TOK op = token.value; | |
| 5938 | |
| 5939 switch (op) | |
| 5940 { | |
| 5941 case TOK.TOKequal: | |
| 5942 case TOK.TOKnotequal: | |
| 5943 nextToken(); | |
| 5944 e2 = parseShiftExp(); | |
| 5945 e = new EqualExp(op, loc, e, e2); | |
| 5946 break; | |
| 5947 | |
| 5948 case TOK.TOKis: | |
| 5949 op = TOK.TOKidentity; | |
| 5950 goto L1; | |
| 5951 | |
| 5952 case TOK.TOKnot: | |
| 5953 // Attempt to identify '!is' | |
| 5954 t = peek(&token); | |
| 5955 if (t.value != TOK.TOKis) | |
| 5956 break; | |
| 5957 nextToken(); | |
| 5958 op = TOK.TOKnotidentity; | |
| 5959 goto L1; | |
| 5960 | |
| 5961 L1: | |
| 5962 nextToken(); | |
| 5963 e2 = parseShiftExp(); | |
| 5964 e = new IdentityExp(op, loc, e, e2); | |
| 5965 break; | |
| 5966 | |
| 5967 case TOK.TOKlt: | |
| 5968 case TOK.TOKle: | |
| 5969 case TOK.TOKgt: | |
| 5970 case TOK.TOKge: | |
| 5971 case TOK.TOKunord: | |
| 5972 case TOK.TOKlg: | |
| 5973 case TOK.TOKleg: | |
| 5974 case TOK.TOKule: | |
| 5975 case TOK.TOKul: | |
| 5976 case TOK.TOKuge: | |
| 5977 case TOK.TOKug: | |
| 5978 case TOK.TOKue: | |
| 5979 nextToken(); | |
| 5980 e2 = parseShiftExp(); | |
| 5981 e = new CmpExp(op, loc, e, e2); | |
| 5982 break; | |
| 5983 | |
| 5984 case TOK.TOKin: | |
| 5985 nextToken(); | |
| 5986 e2 = parseShiftExp(); | |
| 5987 e = new InExp(loc, e, e2); | |
| 5988 break; | |
| 5989 | |
| 5990 default: | |
| 5991 break; | |
| 5992 } | |
| 5993 return e; | |
| 5994 } | |
| 5995 | |
| 5996 Expression parseAndExp() | |
| 5997 { | |
| 5998 Expression e; | |
| 5999 Expression e2; | |
| 6000 Loc loc = this.loc; | |
| 6001 | |
| 6002 if (global.params.Dversion == 1) | |
| 6003 { | |
| 6004 e = parseEqualExp(); | |
| 6005 while (token.value == TOK.TOKand) | |
| 6006 { | |
| 6007 nextToken(); | |
| 6008 e2 = parseEqualExp(); | |
| 6009 e = new AndExp(loc,e,e2); | |
| 6010 loc = this.loc; | |
| 6011 } | |
| 6012 } | |
| 6013 else | |
| 6014 { | |
| 6015 e = parseCmpExp(); | |
| 6016 while (token.value == TOK.TOKand) | |
| 6017 { | |
| 6018 nextToken(); | |
| 6019 e2 = parseCmpExp(); | |
| 6020 e = new AndExp(loc,e,e2); | |
| 6021 loc = this.loc; | |
| 6022 } | |
| 6023 } | |
| 6024 return e; | |
| 6025 } | |
| 6026 | |
| 6027 Expression parseXorExp() | |
| 6028 { | |
| 6029 Expression e; | |
| 6030 Expression e2; | |
| 6031 Loc loc = this.loc; | |
| 6032 | |
| 6033 e = parseAndExp(); | |
| 6034 while (token.value == TOK.TOKxor) | |
| 6035 { | |
| 6036 nextToken(); | |
| 6037 e2 = parseAndExp(); | |
| 6038 e = new XorExp(loc, e, e2); | |
| 6039 } | |
| 6040 | |
| 6041 return e; | |
| 6042 } | |
| 6043 | |
| 6044 Expression parseOrExp() | |
| 6045 { | |
| 6046 Expression e; | |
| 6047 Expression e2; | |
| 6048 Loc loc = this.loc; | |
| 6049 | |
| 6050 e = parseXorExp(); | |
| 6051 while (token.value == TOK.TOKor) | |
| 6052 { | |
| 6053 nextToken(); | |
| 6054 e2 = parseXorExp(); | |
| 6055 e = new OrExp(loc, e, e2); | |
| 6056 } | |
| 6057 return e; | |
| 6058 } | |
| 6059 | |
| 6060 Expression parseAndAndExp() | |
| 6061 { | |
| 6062 Expression e; | |
| 6063 Expression e2; | |
| 6064 Loc loc = this.loc; | |
| 6065 | |
| 6066 e = parseOrExp(); | |
| 6067 while (token.value == TOK.TOKandand) | |
| 6068 { | |
| 6069 nextToken(); | |
| 6070 e2 = parseOrExp(); | |
| 6071 e = new AndAndExp(loc, e, e2); | |
| 6072 } | |
| 6073 return e; | |
| 6074 } | |
| 6075 | |
| 6076 Expression parseOrOrExp() | |
| 6077 { | |
| 6078 Expression e; | |
| 6079 Expression e2; | |
| 6080 Loc loc = this.loc; | |
| 6081 | |
| 6082 e = parseAndAndExp(); | |
| 6083 while (token.value == TOK.TOKoror) | |
| 6084 { | |
| 6085 nextToken(); | |
| 6086 e2 = parseAndAndExp(); | |
| 6087 e = new OrOrExp(loc, e, e2); | |
| 6088 } | |
| 6089 | |
| 6090 return e; | |
| 6091 } | |
| 6092 | |
| 6093 Expression parseCondExp() | |
| 6094 { | |
| 6095 Expression e; | |
| 6096 Expression e1; | |
| 6097 Expression e2; | |
| 6098 Loc loc = this.loc; | |
| 6099 | |
| 6100 e = parseOrOrExp(); | |
| 6101 if (token.value == TOK.TOKquestion) | |
| 6102 { | |
| 6103 nextToken(); | |
| 6104 e1 = parseExpression(); | |
| 6105 check(TOK.TOKcolon); | |
| 6106 e2 = parseCondExp(); | |
| 6107 e = new CondExp(loc, e, e1, e2); | |
| 6108 } | |
| 6109 return e; | |
| 6110 } | |
| 6111 | |
| 6112 Expression parseAssignExp() | |
| 6113 { | |
| 6114 Expression e; | |
| 6115 Expression e2; | |
| 6116 Loc loc; | |
| 6117 | |
| 6118 e = parseCondExp(); | |
| 6119 while (1) | |
| 6120 { | |
| 6121 loc = this.loc; | |
| 6122 switch (token.value) | |
| 6123 { | |
| 6124 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6125 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6126 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6127 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6128 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6129 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
6130 // case TOK.TOKpowass: nextToken(); e2 = parseAssignExp(); e = new PowAssignExp(loc,e,e2); continue; |
| 0 | 6131 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; |
| 6132 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6133 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6134 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6135 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6136 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6137 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6138 | |
| 6139 default: | |
| 6140 break; | |
| 6141 } | |
| 6142 break; | |
| 6143 } | |
| 6144 | |
| 6145 return e; | |
| 6146 } | |
| 6147 | |
| 6148 /************************* | |
| 6149 * Collect argument list. | |
| 6150 * Assume current token is ',', '(' or '['. | |
| 6151 */ | |
| 6152 Expressions parseArguments() | |
| 6153 { | |
| 6154 // function call | |
| 6155 Expressions arguments = new Expressions(); | |
| 6156 Expression arg; | |
| 6157 TOK endtok; | |
| 6158 | |
| 6159 if (token.value == TOK.TOKlbracket) | |
| 6160 endtok = TOK.TOKrbracket; | |
| 6161 else | |
| 6162 endtok = TOK.TOKrparen; | |
| 6163 | |
| 6164 { | |
| 6165 nextToken(); | |
| 6166 if (token.value != endtok) | |
| 6167 { | |
| 6168 while (1) | |
| 6169 { | |
| 6170 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6171 arguments.push(arg); |
| 0 | 6172 if (token.value == endtok) |
| 6173 break; | |
| 6174 check(TOK.TOKcomma); | |
| 6175 } | |
| 6176 } | |
| 6177 check(endtok); | |
| 6178 } | |
| 6179 return arguments; | |
| 6180 } | |
| 6181 | |
| 6182 Expression parseNewExp(Expression thisexp) | |
| 6183 { | |
| 6184 Type t; | |
| 6185 Expressions newargs; | |
| 6186 Expressions arguments = null; | |
| 6187 Expression e; | |
| 6188 Loc loc = this.loc; | |
| 6189 | |
| 6190 nextToken(); | |
| 6191 newargs = null; | |
| 6192 if (token.value == TOKlparen) | |
| 6193 { | |
| 6194 newargs = parseArguments(); | |
| 6195 } | |
| 6196 | |
| 6197 // An anonymous nested class starts with "class" | |
| 6198 if (token.value == TOKclass) | |
| 6199 { | |
| 6200 nextToken(); | |
| 6201 if (token.value == TOKlparen) | |
| 6202 arguments = parseArguments(); | |
| 6203 | |
| 6204 BaseClasses baseclasses = null; | |
| 6205 if (token.value != TOKlcurly) | |
| 6206 baseclasses = parseBaseClasses(); | |
| 6207 | |
| 6208 Identifier id = null; | |
| 6209 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6210 | |
| 6211 if (token.value != TOKlcurly) | |
| 6212 { | |
| 6213 error("{ members } expected for anonymous class"); | |
| 6214 cd.members = null; | |
| 6215 } | |
| 6216 else | |
| 6217 { | |
| 6218 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6219 auto decl = parseDeclDefs(0); |
| 0 | 6220 if (token.value != TOKrcurly) |
| 6221 error("class member expected"); | |
| 6222 nextToken(); | |
| 6223 cd.members = decl; | |
| 6224 } | |
| 6225 | |
| 6226 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6227 | |
| 6228 return e; | |
| 6229 } | |
| 6230 | |
| 6231 t = parseBasicType(); | |
| 6232 t = parseBasicType2(t); | |
| 6233 if (t.ty == Taarray) | |
| 6234 { | |
| 6235 TypeAArray taa = cast(TypeAArray)t; | |
| 6236 Type index = taa.index; | |
| 6237 | |
| 6238 Expression e2 = index.toExpression(); | |
| 6239 if (e2) | |
| 6240 { | |
| 6241 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6242 arguments.push(e2); |
| 0 | 6243 t = new TypeDArray(taa.next); |
| 6244 } | |
| 6245 else | |
| 6246 { | |
| 6247 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6248 return new NullExp(loc); | |
| 6249 } | |
| 6250 } | |
| 6251 else if (t.ty == Tsarray) | |
| 6252 { | |
| 6253 TypeSArray tsa = cast(TypeSArray)t; | |
| 6254 Expression ee = tsa.dim; | |
| 6255 | |
| 6256 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6257 arguments.push(ee); |
| 0 | 6258 t = new TypeDArray(tsa.next); |
| 6259 } | |
| 6260 else if (token.value == TOKlparen) | |
| 6261 { | |
| 6262 arguments = parseArguments(); | |
| 6263 } | |
| 6264 | |
| 6265 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6266 return e; | |
| 6267 } | |
| 6268 | |
| 79 | 6269 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6270 { |
| 6271 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6272 token.lineComment = null; | |
| 6273 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6274 } |