Mercurial > projects > ddmd
annotate dmd/Parser.d @ 135:af1bebfd96a4 dmd2037
dmd 2.038
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Mon, 13 Sep 2010 22:19:42 +0100 |
| parents | c494af1dba80 |
| children | e3afd1303184 |
| 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:
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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; | |
| 135 | 82 import dmd.PowAssignExp; |
| 0 | 83 import dmd.ModuleDeclaration; |
| 84 import dmd.CaseRangeStatement; | |
| 85 import dmd.CommaExp; | |
| 86 import dmd.XorExp; | |
| 87 import dmd.CondExp; | |
| 88 import dmd.CmpExp; | |
| 89 import dmd.InExp; | |
| 90 import dmd.OrOrExp; | |
| 91 import dmd.OrExp; | |
| 92 import dmd.AddExp; | |
| 93 import dmd.MinExp; | |
| 94 import dmd.CatExp; | |
| 95 import dmd.AndAndExp; | |
| 96 import dmd.EqualExp; | |
| 97 import dmd.ShlExp; | |
| 98 import dmd.ShrExp; | |
| 99 import dmd.DivExp; | |
| 100 import dmd.MulExp; | |
| 101 import dmd.ModExp; | |
| 102 import dmd.UshrExp; | |
| 103 import dmd.IdentityExp; | |
| 104 import dmd.AndExp; | |
| 105 import dmd.Id; | |
| 106 import dmd.LabelStatement; | |
| 107 import dmd.ExpStatement; | |
| 108 import dmd.StaticAssertStatement; | |
| 109 import dmd.DeclarationStatement; | |
| 110 import dmd.ScopeStatement; | |
| 111 import dmd.PragmaStatement; | |
| 112 import dmd.WhileStatement; | |
| 113 import dmd.DoStatement; | |
| 114 import dmd.ForStatement; | |
| 115 import dmd.OnScopeStatement; | |
| 116 import dmd.IfStatement; | |
| 117 import dmd.SwitchStatement; | |
| 118 import dmd.CaseStatement; | |
| 119 import dmd.DefaultStatement; | |
| 120 import dmd.GotoDefaultStatement; | |
| 121 import dmd.GotoCaseStatement; | |
| 122 import dmd.GotoStatement; | |
| 123 import dmd.SynchronizedStatement; | |
| 124 import dmd.WithStatement; | |
| 125 import dmd.Catch; | |
| 126 import dmd.TryCatchStatement; | |
| 127 import dmd.TryFinallyStatement; | |
| 128 import dmd.ThrowStatement; | |
| 129 import dmd.VolatileStatement; | |
| 130 import dmd.ReturnStatement; | |
| 131 import dmd.BreakStatement; | |
| 132 import dmd.ContinueStatement; | |
| 133 import dmd.AsmStatement; | |
| 134 import dmd.TypeReturn; | |
| 135 import dmd.TypeTypeof; | |
| 136 import dmd.ForeachRangeStatement; | |
| 137 import dmd.ForeachStatement; | |
| 138 import dmd.CompileStatement; | |
| 139 import dmd.CompoundStatement; | |
| 140 import dmd.ConditionalStatement; | |
| 141 import dmd.CompoundDeclarationStatement; | |
|
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parents:
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|
142 import dmd.Parameter; |
| 0 | 143 import dmd.ParseStatementFlags; |
| 79 | 144 import dmd.TypeNewArray; |
| 0 | 145 import dmd.TypeNext; |
| 146 import dmd.TypeInstance; | |
| 147 import dmd.TypePointer; | |
| 148 import dmd.TypeDArray; | |
| 149 import dmd.TypeAArray; | |
| 150 import dmd.TypeSlice; | |
| 151 import dmd.TypeSArray; | |
| 152 import dmd.TemplateInstance; | |
| 153 import dmd.TypeIdentifier; | |
| 154 import dmd.VarDeclaration; | |
| 155 import dmd.TypeFunction; | |
| 156 import dmd.TypeDelegate; | |
| 157 import dmd.TY; | |
| 158 import dmd.LinkDeclaration; | |
| 159 import dmd.Declaration; | |
| 160 import dmd.AggregateDeclaration; | |
| 161 import dmd.TypedefDeclaration; | |
| 162 import dmd.AliasDeclaration; | |
| 163 import dmd.LINK; | |
| 164 import dmd.Loc; | |
| 165 import dmd.Module; | |
| 166 import dmd.Array; | |
| 167 import dmd.Expression; | |
| 168 import dmd.TemplateDeclaration; | |
| 169 import dmd.ArrayTypes; | |
| 170 import dmd.Dsymbol; | |
| 171 import dmd.StaticAssert; | |
| 172 import dmd.TypeQualified; | |
| 173 import dmd.Condition; | |
| 174 import dmd.PostBlitDeclaration; | |
| 175 import dmd.DtorDeclaration; | |
| 176 import dmd.ConditionalDeclaration; | |
| 177 import dmd.StaticCtorDeclaration; | |
| 178 import dmd.StaticDtorDeclaration; | |
| 179 import dmd.InvariantDeclaration; | |
| 180 import dmd.UnitTestDeclaration; | |
| 181 import dmd.NewDeclaration; | |
| 182 import dmd.DeleteDeclaration; | |
| 183 import dmd.EnumDeclaration; | |
| 184 import dmd.Import; | |
| 185 import dmd.Type; | |
| 186 import dmd.Identifier; | |
| 187 import dmd.FuncDeclaration; | |
| 188 import dmd.Statement; | |
| 189 import dmd.Initializer; | |
| 190 import dmd.Token; | |
| 191 import dmd.TOK; | |
| 192 import dmd.ParseStatementFlags; | |
| 193 import dmd.PROT; | |
| 194 import dmd.STC; | |
| 195 import dmd.Util; | |
| 196 import dmd.CompileDeclaration; | |
| 197 import dmd.StaticIfDeclaration; | |
| 198 import dmd.StorageClassDeclaration; | |
| 199 import dmd.LinkDeclaration; | |
| 200 import dmd.ProtDeclaration; | |
| 201 import dmd.AlignDeclaration; | |
| 202 import dmd.PragmaDeclaration; | |
| 203 import dmd.DebugSymbol; | |
| 204 import dmd.VersionSymbol; | |
| 205 import dmd.AliasThis; | |
| 206 import dmd.Global; | |
|
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dmdfe 2.037 compiles now
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parents:
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207 import dmd.TRUST; |
|
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dmdfe 2.037 compiles now
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parents:
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208 import dmd.PowExp; |
| 0 | 209 |
| 210 import core.stdc.string : memcpy; | |
| 211 | |
| 34 | 212 import std.exception; |
| 4 | 213 import core.memory; |
| 0 | 214 |
| 215 class Parser : Lexer | |
| 216 { | |
| 217 ModuleDeclaration md; | |
| 218 LINK linkage; | |
| 219 Loc endloc; // set to location of last right curly | |
| 220 int inBrackets; // inside [] of array index or slice | |
| 221 | |
| 222 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 223 { | |
| 224 super(module_, base, 0, length, doDocComment, 0); | |
| 225 //printf("Parser.Parser()\n"); | |
| 226 linkage = LINK.LINKd; | |
| 227 //nextToken(); // start up the scanner | |
| 228 } | |
| 229 | |
|
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parents:
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230 Dsymbols parseModule() |
| 0 | 231 { |
|
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parents:
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232 typeof(return) decldefs; |
| 0 | 233 |
| 234 // ModuleDeclation leads off | |
| 235 if (token.value == TOK.TOKmodule) | |
| 236 { | |
| 79 | 237 string comment = token.blockComment; |
| 0 | 238 bool safe = false; |
| 239 | |
| 240 nextToken(); | |
|
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parents:
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241 static if(false) { |
| 0 | 242 version (DMDV2) { |
| 243 if (token.value == TOK.TOKlparen) | |
| 244 { | |
| 245 nextToken(); | |
| 246 if (token.value != TOK.TOKidentifier) | |
| 247 { | |
| 248 error("module (system) identifier expected"); | |
| 249 goto Lerr; | |
| 250 } | |
| 251 Identifier id = token.ident; | |
| 252 | |
| 253 if (id is Id.system) | |
| 254 safe = true; | |
| 255 else | |
| 256 error("(safe) expected, not %s", id.toChars()); | |
| 257 nextToken(); | |
| 258 check(TOK.TOKrparen); | |
| 259 } | |
| 260 } | |
|
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dmdfe 2.037 first main iteration
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parents:
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261 } |
| 0 | 262 |
| 263 if (token.value != TOK.TOKidentifier) | |
| 264 { | |
| 265 error("Identifier expected following module"); | |
| 266 goto Lerr; | |
| 267 } | |
| 268 else | |
| 269 { | |
|
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Some more Array -> Vector conversions
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270 Identifiers a = null; |
| 0 | 271 Identifier id = token.ident; |
| 272 while (nextToken() == TOK.TOKdot) | |
| 273 { | |
| 274 if (!a) | |
|
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275 a = new Identifiers(); |
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Some more Array -> Vector conversions
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276 a.push(id); |
| 0 | 277 nextToken(); |
| 278 if (token.value != TOK.TOKidentifier) | |
| 279 { error("Identifier expected following package"); | |
| 280 goto Lerr; | |
| 281 } | |
| 282 id = token.ident; | |
| 283 } | |
| 284 | |
| 285 md = new ModuleDeclaration(a, id, safe); | |
| 286 | |
| 287 if (token.value != TOK.TOKsemicolon) | |
| 288 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 289 | |
| 290 nextToken(); | |
| 291 addComment(mod, comment); | |
| 292 } | |
| 293 } | |
| 294 | |
| 295 decldefs = parseDeclDefs(0); | |
| 296 if (token.value != TOK.TOKeof) | |
| 297 { | |
| 298 error("unrecognized declaration"); | |
| 299 goto Lerr; | |
| 300 } | |
| 301 | |
| 302 return decldefs; | |
| 303 | |
| 304 Lerr: | |
| 305 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 306 nextToken(); | |
| 307 | |
| 308 nextToken(); | |
|
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309 return new Dsymbols(); |
| 0 | 310 } |
| 311 | |
|
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parents:
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312 Dsymbols parseDeclDefs(int once) |
| 0 | 313 { |
| 314 Dsymbol s; | |
|
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parents:
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315 Dsymbols decldefs; |
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
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316 Dsymbols a; |
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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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317 Dsymbols aelse; |
| 0 | 318 PROT prot; |
|
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parents:
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319 StorageClass stc; |
|
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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320 StorageClass storageClass; |
| 0 | 321 Condition condition; |
| 79 | 322 string comment; |
| 0 | 323 |
| 324 //printf("Parser.parseDeclDefs()\n"); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
325 decldefs = new Dsymbols(); |
| 0 | 326 do |
| 327 { | |
| 328 comment = token.blockComment; | |
| 329 storageClass = STC.STCundefined; | |
| 330 switch (token.value) | |
| 331 { | |
| 332 case TOK.TOKenum: | |
| 333 { /* Determine if this is a manifest constant declaration, | |
| 334 * or a conventional enum. | |
| 335 */ | |
| 336 Token *t = peek(&token); | |
| 337 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 338 s = parseEnum(); | |
| 339 else if (t.value != TOK.TOKidentifier) | |
| 340 goto Ldeclaration; | |
| 341 else | |
| 342 { | |
| 343 t = peek(t); | |
| 344 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 345 t.value == TOK.TOKsemicolon) | |
| 346 s = parseEnum(); | |
| 347 else | |
| 348 goto Ldeclaration; | |
| 349 } | |
| 350 break; | |
| 351 } | |
| 352 | |
| 353 case TOK.TOKstruct: | |
| 354 case TOK.TOKunion: | |
| 355 case TOK.TOKclass: | |
| 356 case TOK.TOKinterface: | |
| 357 s = parseAggregate(); | |
| 358 break; | |
| 359 | |
| 360 case TOK.TOKimport: | |
| 361 s = parseImport(decldefs, 0); | |
| 362 break; | |
| 363 | |
| 364 case TOK.TOKtemplate: | |
| 365 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 366 break; | |
| 367 | |
| 368 case TOK.TOKmixin: | |
| 369 { Loc loc = this.loc; | |
| 370 if (peek(&token).value == TOK.TOKlparen) | |
| 371 { // mixin(string) | |
| 372 nextToken(); | |
| 373 check(TOK.TOKlparen, "mixin"); | |
| 374 Expression e = parseAssignExp(); | |
| 375 check(TOK.TOKrparen); | |
| 376 check(TOK.TOKsemicolon); | |
| 377 s = new CompileDeclaration(loc, e); | |
| 378 break; | |
| 379 } | |
| 380 s = parseMixin(); | |
| 381 break; | |
| 382 } | |
| 383 | |
| 384 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 385 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 386 case TOK.TOKint8: case TOK.TOKuns8: | |
| 387 case TOK.TOKint16: case TOK.TOKuns16: | |
| 388 case TOK.TOKint32: case TOK.TOKuns32: | |
| 389 case TOK.TOKint64: case TOK.TOKuns64: | |
| 390 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 391 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 392 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 393 case TOK.TOKvoid: | |
| 394 case TOK.TOKalias: | |
| 395 case TOK.TOKtypedef: | |
| 396 case TOK.TOKidentifier: | |
| 397 case TOK.TOKtypeof: | |
| 398 case TOK.TOKdot: | |
| 399 Ldeclaration: | |
| 400 a = parseDeclarations(STC.STCundefined); | |
| 401 decldefs.append(a); | |
| 402 continue; | |
| 403 | |
| 404 case TOK.TOKthis: | |
| 405 s = parseCtor(); | |
| 406 break; | |
| 407 | |
| 408 static if (false) { // dead end, use this(this){} instead | |
| 409 case TOK.TOKassign: | |
| 410 s = parsePostBlit(); | |
| 411 break; | |
| 412 } | |
| 413 case TOK.TOKtilde: | |
| 414 s = parseDtor(); | |
| 415 break; | |
| 416 | |
| 417 case TOK.TOKinvariant: | |
| 418 { Token *t; | |
| 419 t = peek(&token); | |
| 420 if (t.value == TOK.TOKlparen) | |
| 421 { | |
| 422 if (peek(t).value == TOK.TOKrparen) | |
| 423 // invariant() forms start of class invariant | |
| 424 s = parseInvariant(); | |
| 425 else | |
| 426 // invariant(type) | |
| 427 goto Ldeclaration; | |
| 428 } | |
| 429 else | |
| 430 { | |
| 431 stc = STC.STCimmutable; | |
| 432 goto Lstc; | |
| 433 } | |
| 434 break; | |
| 435 } | |
| 436 | |
| 437 case TOK.TOKunittest: | |
| 438 s = parseUnitTest(); | |
| 439 break; | |
| 440 | |
| 441 case TOK.TOKnew: | |
| 442 s = parseNew(); | |
| 443 break; | |
| 444 | |
| 445 case TOK.TOKdelete: | |
| 446 s = parseDelete(); | |
| 447 break; | |
| 448 | |
| 449 case TOK.TOKeof: | |
| 450 case TOK.TOKrcurly: | |
| 451 return decldefs; | |
| 452 | |
| 453 case TOK.TOKstatic: | |
| 454 nextToken(); | |
| 455 if (token.value == TOK.TOKthis) | |
| 456 s = parseStaticCtor(); | |
| 457 else if (token.value == TOK.TOKtilde) | |
| 458 s = parseStaticDtor(); | |
| 459 else if (token.value == TOK.TOKassert) | |
| 460 s = parseStaticAssert(); | |
| 461 else if (token.value == TOK.TOKif) | |
| 462 { condition = parseStaticIfCondition(); | |
| 463 a = parseBlock(); | |
| 464 aelse = null; | |
| 465 if (token.value == TOK.TOKelse) | |
| 466 { nextToken(); | |
| 467 aelse = parseBlock(); | |
| 468 } | |
| 469 s = new StaticIfDeclaration(condition, a, aelse); | |
| 470 break; | |
| 471 } | |
| 472 else if (token.value == TOK.TOKimport) | |
| 473 { | |
| 474 s = parseImport(decldefs, 1); | |
| 475 } | |
| 476 else | |
| 477 { stc = STC.STCstatic; | |
| 478 goto Lstc2; | |
| 479 } | |
| 480 break; | |
| 481 | |
| 482 case TOK.TOKconst: | |
| 483 if (peek(&token).value == TOK.TOKlparen) | |
| 484 goto Ldeclaration; | |
| 485 stc = STC.STCconst; | |
| 486 goto Lstc; | |
| 487 | |
| 488 case TOK.TOKimmutable: | |
| 489 if (peek(&token).value == TOK.TOKlparen) | |
| 490 goto Ldeclaration; | |
| 491 stc = STC.STCimmutable; | |
| 492 goto Lstc; | |
| 493 | |
| 494 case TOK.TOKshared: | |
| 495 if (peek(&token).value == TOK.TOKlparen) | |
| 496 goto Ldeclaration; | |
| 497 stc = STC.STCshared; | |
| 498 goto Lstc; | |
| 499 | |
| 135 | 500 case TOKwild: |
| 501 if (peek(&token).value == TOK.TOKlparen) | |
| 502 goto Ldeclaration; | |
| 503 stc = STCwild; | |
| 504 goto Lstc; | |
| 505 | |
| 0 | 506 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; |
| 507 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 508 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 509 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 510 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 511 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 512 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 513 version (DMDV2) { | |
| 514 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 515 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 516 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 517 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 518 case TOK.TOKgshared: | |
| 519 stc = STC.STCgshared; goto Lstc; | |
| 520 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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521 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 522 } |
| 523 | |
| 524 Lstc: | |
| 525 if (storageClass & stc) | |
| 526 error("redundant storage class %s", Token.toChars(token.value)); | |
| 527 composeStorageClass(storageClass | stc); | |
| 528 nextToken(); | |
| 529 Lstc2: | |
| 530 storageClass |= stc; | |
| 531 switch (token.value) | |
| 532 { | |
| 533 case TOK.TOKconst: | |
| 534 case TOK.TOKinvariant: | |
| 535 case TOK.TOKimmutable: | |
| 536 case TOK.TOKshared: | |
| 135 | 537 case TOKwild: |
| 0 | 538 // If followed by a (, it is not a storage class |
| 539 if (peek(&token).value == TOK.TOKlparen) | |
| 540 break; | |
| 541 if (token.value == TOK.TOKconst) | |
| 542 stc = STC.STCconst; | |
| 543 else if (token.value == TOK.TOKshared) | |
| 544 stc = STC.STCshared; | |
| 135 | 545 else if (token.value == TOKwild) |
| 546 stc = STC.STCwild; | |
| 0 | 547 else |
| 548 stc = STC.STCimmutable; | |
| 549 goto Lstc; | |
| 550 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 551 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 552 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 553 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 554 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 555 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 556 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 557 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 558 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 559 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 560 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 561 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 562 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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563 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 564 default: |
| 565 break; | |
| 566 } | |
| 567 | |
| 568 /* Look for auto initializers: | |
| 569 * storage_class identifier = initializer; | |
| 570 */ | |
| 571 if (token.value == TOK.TOKidentifier && | |
| 572 peek(&token).value == TOK.TOKassign) | |
| 573 { | |
| 574 a = parseAutoDeclarations(storageClass, comment); | |
| 575 decldefs.append(a); | |
| 576 continue; | |
| 577 } | |
| 578 | |
| 579 /* Look for return type inference for template functions. | |
| 580 */ | |
| 581 Token *tk; | |
| 582 if (token.value == TOK.TOKidentifier && | |
| 583 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 584 skipParens(tk, &tk) && | |
| 585 (peek(tk).value == TOK.TOKlparen || | |
| 586 peek(tk).value == TOK.TOKlcurly) | |
| 587 ) | |
| 588 { | |
| 589 a = parseDeclarations(storageClass); | |
| 590 decldefs.append(a); | |
| 591 continue; | |
| 592 } | |
| 593 a = parseBlock(); | |
| 594 s = new StorageClassDeclaration(storageClass, a); | |
| 595 break; | |
| 596 | |
| 597 case TOK.TOKextern: | |
| 598 if (peek(&token).value != TOK.TOKlparen) | |
| 599 { | |
| 600 stc = STC.STCextern; | |
| 601 goto Lstc; | |
| 602 } | |
| 603 { | |
| 604 LINK linksave = linkage; | |
| 605 linkage = parseLinkage(); | |
| 606 a = parseBlock(); | |
| 607 s = new LinkDeclaration(linkage, a); | |
| 608 linkage = linksave; | |
| 609 break; | |
| 610 } | |
| 611 | |
| 612 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 613 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 614 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 615 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 616 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 617 Lprot: | |
| 618 nextToken(); | |
| 619 switch (token.value) | |
| 620 { | |
| 621 case TOK.TOKprivate: | |
| 622 case TOK.TOKpackage: | |
| 623 case TOK.TOKprotected: | |
| 624 case TOK.TOKpublic: | |
| 625 case TOK.TOKexport: | |
| 626 error("redundant protection attribute"); | |
| 627 break; | |
| 628 default: | |
| 629 break; | |
| 630 } | |
| 631 a = parseBlock(); | |
| 632 s = new ProtDeclaration(prot, a); | |
| 633 break; | |
| 634 | |
| 635 case TOK.TOKalign: | |
| 636 { uint n; | |
| 637 | |
| 638 s = null; | |
| 639 nextToken(); | |
| 640 if (token.value == TOK.TOKlparen) | |
| 641 { | |
| 642 nextToken(); | |
| 643 if (token.value == TOK.TOKint32v) | |
| 644 n = cast(uint)token.uns64value; | |
| 645 else | |
| 646 { error("integer expected, not %s", token.toChars()); | |
| 647 n = 1; | |
| 648 } | |
| 649 nextToken(); | |
| 650 check(TOK.TOKrparen); | |
| 651 } | |
| 652 else | |
| 653 n = global.structalign; // default | |
| 654 | |
| 655 a = parseBlock(); | |
| 656 s = new AlignDeclaration(n, a); | |
| 657 break; | |
| 658 } | |
| 659 | |
| 660 case TOK.TOKpragma: | |
| 661 { Identifier ident; | |
| 662 Expressions args = null; | |
| 663 | |
| 664 nextToken(); | |
| 665 check(TOK.TOKlparen); | |
| 666 if (token.value != TOK.TOKidentifier) | |
| 667 { error("pragma(identifier expected"); | |
| 668 goto Lerror; | |
| 669 } | |
| 670 ident = token.ident; | |
| 671 nextToken(); | |
| 672 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 673 args = parseArguments(); // pragma(identifier, args...) | |
| 674 else | |
| 675 check(TOK.TOKrparen); // pragma(identifier) | |
| 676 | |
| 677 if (token.value == TOK.TOKsemicolon) | |
| 678 a = null; | |
| 679 else | |
| 680 a = parseBlock(); | |
| 681 s = new PragmaDeclaration(loc, ident, args, a); | |
| 682 break; | |
| 683 } | |
| 684 | |
| 685 case TOK.TOKdebug: | |
| 686 nextToken(); | |
| 687 if (token.value == TOK.TOKassign) | |
| 688 { | |
| 689 nextToken(); | |
| 690 if (token.value == TOK.TOKidentifier) | |
| 691 s = new DebugSymbol(loc, token.ident); | |
| 692 else if (token.value == TOK.TOKint32v) | |
| 693 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 694 else | |
| 695 { error("identifier or integer expected, not %s", token.toChars()); | |
| 696 s = null; | |
| 697 } | |
| 698 nextToken(); | |
| 699 if (token.value != TOK.TOKsemicolon) | |
| 700 error("semicolon expected"); | |
| 701 nextToken(); | |
| 702 break; | |
| 703 } | |
| 704 | |
| 705 condition = parseDebugCondition(); | |
| 706 goto Lcondition; | |
| 707 | |
| 708 case TOK.TOKversion: | |
| 709 nextToken(); | |
| 710 if (token.value == TOK.TOKassign) | |
| 711 { | |
| 712 nextToken(); | |
| 713 if (token.value == TOK.TOKidentifier) | |
| 714 s = new VersionSymbol(loc, token.ident); | |
| 715 else if (token.value == TOK.TOKint32v) | |
| 716 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 717 else | |
| 718 { error("identifier or integer expected, not %s", token.toChars()); | |
| 719 s = null; | |
| 720 } | |
| 721 nextToken(); | |
| 722 if (token.value != TOK.TOKsemicolon) | |
| 723 error("semicolon expected"); | |
| 724 nextToken(); | |
| 725 break; | |
| 726 } | |
| 727 condition = parseVersionCondition(); | |
| 728 goto Lcondition; | |
| 729 | |
| 730 Lcondition: | |
| 731 a = parseBlock(); | |
| 732 aelse = null; | |
| 733 if (token.value == TOK.TOKelse) | |
| 734 { nextToken(); | |
| 735 aelse = parseBlock(); | |
| 736 } | |
| 737 s = new ConditionalDeclaration(condition, a, aelse); | |
| 738 break; | |
| 739 | |
| 740 case TOK.TOKsemicolon: // empty declaration | |
| 741 nextToken(); | |
| 742 continue; | |
| 743 | |
| 744 default: | |
| 745 error("Declaration expected, not '%s'",token.toChars()); | |
| 746 Lerror: | |
| 747 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 748 nextToken(); | |
| 749 nextToken(); | |
| 750 s = null; | |
| 751 continue; | |
| 752 } | |
| 753 if (s) | |
|
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754 { decldefs.push(s); |
| 0 | 755 addComment(s, comment); |
| 756 } | |
| 757 } while (!once); | |
| 758 return decldefs; | |
| 759 } | |
| 760 | |
| 761 /***************************************** | |
| 762 * Parse auto declarations of the form: | |
| 763 * storageClass ident = init, ident = init, ... ; | |
| 764 * and return the array of them. | |
| 765 * Starts with token on the first ident. | |
| 766 * Ends with scanner past closing ';' | |
| 767 */ | |
| 79 | 768 version (DMDV2) |
| 769 { | |
|
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770 Dsymbols parseAutoDeclarations(StorageClass storageClass, const(char)[] comment) |
| 0 | 771 { |
|
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772 auto a = new Dsymbols; |
| 0 | 773 |
| 774 while (true) | |
| 775 { | |
| 776 Identifier ident = token.ident; | |
| 777 nextToken(); // skip over ident | |
| 778 assert(token.value == TOKassign); | |
| 779 nextToken(); // skip over '=' | |
| 780 Initializer init = parseInitializer(); | |
|
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781 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 782 v.storage_class = storageClass; |
|
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783 a.push(v); |
| 0 | 784 if (token.value == TOKsemicolon) |
| 785 { | |
| 786 nextToken(); | |
| 787 addComment(v, comment); | |
| 788 } | |
| 789 else if (token.value == TOKcomma) | |
| 790 { | |
| 791 nextToken(); | |
| 792 if (token.value == TOKidentifier && | |
| 793 peek(&token).value == TOKassign) | |
| 794 { | |
| 795 addComment(v, comment); | |
| 796 continue; | |
| 797 } | |
| 798 else | |
| 799 error("Identifier expected following comma"); | |
| 800 } | |
| 801 else | |
| 802 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 803 break; | |
| 804 } | |
| 805 return a; | |
| 806 } | |
| 807 } | |
| 808 /******************************************** | |
| 809 * Parse declarations after an align, protection, or extern decl. | |
| 810 */ | |
|
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811 Dsymbols parseBlock() |
| 0 | 812 { |
|
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813 Dsymbols a = null; |
| 0 | 814 Dsymbol ss; |
| 815 | |
| 816 //printf("parseBlock()\n"); | |
| 817 switch (token.value) | |
| 818 { | |
| 819 case TOK.TOKsemicolon: | |
| 820 error("declaration expected following attribute, not ';'"); | |
| 821 nextToken(); | |
| 822 break; | |
| 823 | |
| 824 case TOK.TOKeof: | |
| 825 error("declaration expected following attribute, not EOF"); | |
| 826 break; | |
| 827 | |
| 828 case TOK.TOKlcurly: | |
| 829 nextToken(); | |
| 830 a = parseDeclDefs(0); | |
| 831 if (token.value != TOK.TOKrcurly) | |
| 832 { /* { */ | |
| 833 error("matching '}' expected, not %s", token.toChars()); | |
| 834 } | |
| 835 else | |
| 836 nextToken(); | |
| 837 break; | |
| 838 | |
| 839 case TOK.TOKcolon: | |
| 840 nextToken(); | |
| 841 static if (false) { | |
| 842 a = null; | |
| 843 } else { | |
| 844 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 845 } | |
| 846 break; | |
| 847 | |
| 848 default: | |
| 849 a = parseDeclDefs(1); | |
| 850 break; | |
| 851 } | |
| 852 return a; | |
| 853 } | |
|
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854 version(DMDV2) { |
|
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855 void composeStorageClass(StorageClass stc) |
| 0 | 856 { |
|
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857 StorageClass u = stc; |
| 0 | 858 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; |
| 859 if (u & (u - 1)) | |
| 860 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 861 | |
| 862 u = stc; | |
| 863 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 864 if (u & (u - 1)) | |
| 865 error("conflicting storage class %s", Token.toChars(token.value)); | |
|
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866 u = stc; |
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867 u &= STCsafe | STCsystem | STCtrusted; |
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868 if (u & (u - 1)) |
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869 error("conflicting attribute @%s", token.toChars()); |
| 0 | 870 } |
|
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871 } |
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872 |
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873 /*********************************************** |
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874 * Parse storage class, lexer is on '@' |
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875 */ |
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876 |
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877 version(DMDV2) { |
|
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878 StorageClass parseAttribute() |
|
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879 { |
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880 nextToken(); |
|
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881 StorageClass stc = STCundefined; |
|
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882 if (token.value != TOKidentifier) |
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883 { |
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884 error("identifier expected after @, not %s", token.toChars()); |
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885 } |
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886 else if (token.ident == Id.property) |
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887 stc = STCproperty; |
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888 else if (token.ident == Id.safe) |
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889 stc = STCsafe; |
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890 else if (token.ident == Id.trusted) |
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891 stc = STCtrusted; |
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892 else if (token.ident == Id.system) |
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893 stc = STCsystem; |
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894 else |
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895 error("valid attribute identifiers are @property, @safe, @trusted, @system, not @%s", token.toChars()); |
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896 return stc; |
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897 } |
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898 } |
| 0 | 899 /************************************** |
| 900 * Parse constraint. | |
| 901 * Constraint is of the form: | |
| 902 * if ( ConstraintExpression ) | |
| 903 */ | |
| 904 version (DMDV2) { | |
| 905 Expression parseConstraint() | |
| 906 { | |
| 907 Expression e = null; | |
| 908 | |
| 909 if (token.value == TOKif) | |
| 910 { | |
| 911 nextToken(); // skip over 'if' | |
| 912 check(TOKlparen); | |
| 913 e = parseExpression(); | |
| 914 check(TOKrparen); | |
| 915 } | |
| 916 return e; | |
| 917 } | |
| 918 } | |
| 919 /************************************** | |
| 920 * Parse a TemplateDeclaration. | |
| 921 */ | |
| 922 TemplateDeclaration parseTemplateDeclaration() | |
| 923 { | |
| 924 TemplateDeclaration tempdecl; | |
| 925 Identifier id; | |
| 926 TemplateParameters tpl; | |
|
74
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56
diff
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|
927 Dsymbols decldefs; |
| 0 | 928 Expression constraint = null; |
| 929 Loc loc = this.loc; | |
| 930 | |
| 931 nextToken(); | |
| 932 if (token.value != TOKidentifier) | |
| 933 { | |
| 934 error("TemplateIdentifier expected following template"); | |
| 935 goto Lerr; | |
| 936 } | |
| 937 id = token.ident; | |
| 938 nextToken(); | |
| 939 tpl = parseTemplateParameterList(); | |
| 940 if (!tpl) | |
| 941 goto Lerr; | |
| 942 | |
| 943 constraint = parseConstraint(); | |
| 944 | |
| 945 if (token.value != TOKlcurly) | |
| 946 { | |
| 947 error("members of template declaration expected"); | |
| 948 goto Lerr; | |
| 949 } | |
| 950 else | |
| 951 { | |
| 952 nextToken(); | |
| 953 decldefs = parseDeclDefs(0); | |
| 954 if (token.value != TOKrcurly) | |
| 955 { | |
| 956 error("template member expected"); | |
| 957 goto Lerr; | |
| 958 } | |
| 959 nextToken(); | |
| 960 } | |
| 961 | |
| 962 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 963 return tempdecl; | |
| 964 | |
| 965 Lerr: | |
| 966 return null; | |
| 967 } | |
| 968 | |
| 969 /****************************************** | |
| 970 * Parse template parameter list. | |
| 971 * Input: | |
| 972 * flag 0: parsing "( list )" | |
| 973 * 1: parsing non-empty "list )" | |
| 974 */ | |
| 975 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 976 { | |
| 977 TemplateParameters tpl = new TemplateParameters(); | |
| 978 | |
| 979 if (!flag && token.value != TOKlparen) | |
| 980 { | |
| 981 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 982 goto Lerr; | |
| 983 } | |
| 984 nextToken(); | |
| 985 | |
| 986 // Get array of TemplateParameters | |
| 987 if (flag || token.value != TOKrparen) | |
| 988 { | |
| 989 int isvariadic = 0; | |
| 990 | |
| 991 while (true) | |
| 992 { | |
| 993 TemplateParameter tp; | |
| 994 Identifier tp_ident = null; | |
| 995 Type tp_spectype = null; | |
| 996 Type tp_valtype = null; | |
| 997 Type tp_defaulttype = null; | |
| 998 Expression tp_specvalue = null; | |
| 999 Expression tp_defaultvalue = null; | |
| 1000 Token* t; | |
| 1001 | |
| 1002 // Get TemplateParameter | |
| 1003 | |
| 1004 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 1005 t = peek(&token); | |
| 1006 if (token.value == TOKalias) | |
| 1007 { | |
| 1008 // AliasParameter | |
| 1009 nextToken(); | |
| 1010 Type spectype = null; | |
| 1011 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 1012 { | |
| 1013 spectype = parseType(&tp_ident); | |
| 1014 } | |
| 1015 else | |
| 1016 { | |
| 1017 if (token.value != TOKidentifier) | |
| 1018 { | |
| 1019 error("identifier expected for template alias parameter"); | |
| 1020 goto Lerr; | |
| 1021 } | |
| 1022 tp_ident = token.ident; | |
| 1023 nextToken(); | |
| 1024 } | |
| 1025 Object spec = null; | |
| 1026 if (token.value == TOKcolon) // : Type | |
| 1027 { | |
| 1028 nextToken(); | |
| 1029 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1030 spec = parseType(); | |
| 1031 else | |
| 1032 spec = parseCondExp(); | |
| 1033 } | |
| 1034 Object def = null; | |
| 1035 if (token.value == TOKassign) // = Type | |
| 1036 { | |
| 1037 nextToken(); | |
| 1038 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1039 def = parseType(); | |
| 1040 else | |
| 1041 def = parseCondExp(); | |
| 1042 } | |
| 1043 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 1044 } | |
| 1045 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 1046 t.value == TOKcomma || t.value == TOKrparen) | |
| 1047 { // TypeParameter | |
| 1048 if (token.value != TOKidentifier) | |
| 1049 { error("identifier expected for template type parameter"); | |
| 1050 goto Lerr; | |
| 1051 } | |
| 1052 tp_ident = token.ident; | |
| 1053 nextToken(); | |
| 1054 if (token.value == TOKcolon) // : Type | |
| 1055 { | |
| 1056 nextToken(); | |
| 1057 tp_spectype = parseType(); | |
| 1058 } | |
| 1059 if (token.value == TOKassign) // = Type | |
| 1060 { | |
| 1061 nextToken(); | |
| 1062 tp_defaulttype = parseType(); | |
| 1063 } | |
| 1064 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1065 } | |
| 1066 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1067 { // ident... | |
| 1068 if (isvariadic) | |
| 1069 error("variadic template parameter must be last"); | |
| 1070 isvariadic = 1; | |
| 1071 tp_ident = token.ident; | |
| 1072 nextToken(); | |
| 1073 nextToken(); | |
| 1074 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1075 } | |
| 1076 /// version (DMDV2) { | |
| 1077 else if (token.value == TOKthis) | |
| 1078 { // ThisParameter | |
| 1079 nextToken(); | |
| 1080 if (token.value != TOKidentifier) | |
| 1081 { error("identifier expected for template this parameter"); | |
| 1082 goto Lerr; | |
| 1083 } | |
| 1084 tp_ident = token.ident; | |
| 1085 nextToken(); | |
| 1086 if (token.value == TOKcolon) // : Type | |
| 1087 { | |
| 1088 nextToken(); | |
| 1089 tp_spectype = parseType(); | |
| 1090 } | |
| 1091 if (token.value == TOKassign) // = Type | |
| 1092 { | |
| 1093 nextToken(); | |
| 1094 tp_defaulttype = parseType(); | |
| 1095 } | |
| 1096 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1097 } | |
| 1098 /// } | |
| 1099 else | |
| 1100 { // ValueParameter | |
| 1101 tp_valtype = parseType(&tp_ident); | |
| 1102 if (!tp_ident) | |
| 1103 { | |
| 1104 error("identifier expected for template value parameter"); | |
| 1105 tp_ident = new Identifier("error", TOKidentifier); | |
| 1106 } | |
| 1107 if (token.value == TOKcolon) // : CondExpression | |
| 1108 { | |
| 1109 nextToken(); | |
| 1110 tp_specvalue = parseCondExp(); | |
| 1111 } | |
| 1112 if (token.value == TOKassign) // = CondExpression | |
| 1113 { | |
| 1114 nextToken(); | |
| 1115 tp_defaultvalue = parseDefaultInitExp(); | |
| 1116 } | |
| 1117 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1118 } | |
|
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|
1119 tpl.push(tp); |
| 0 | 1120 if (token.value != TOKcomma) |
| 1121 break; | |
| 1122 nextToken(); | |
| 1123 } | |
| 1124 } | |
| 1125 check(TOKrparen); | |
| 1126 | |
| 1127 Lerr: | |
| 1128 return tpl; | |
| 1129 } | |
|
19
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Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
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diff
changeset
|
1130 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1131 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1132 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1133 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1134 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
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diff
changeset
|
1135 * mixin a.b.c!(args).Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
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diff
changeset
|
1136 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
1137 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
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diff
changeset
|
1138 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
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diff
changeset
|
1139 |
| 0 | 1140 Dsymbol parseMixin() |
| 1141 { | |
| 13 | 1142 TemplateMixin tm; |
| 1143 Identifier id; | |
| 1144 Type tqual; | |
| 1145 Objects tiargs; | |
| 1146 Array idents; | |
| 1147 | |
| 1148 //printf("parseMixin()\n"); | |
| 1149 nextToken(); | |
| 1150 tqual = null; | |
| 1151 if (token.value == TOKdot) | |
| 1152 { | |
| 1153 id = Id.empty; | |
| 1154 } | |
| 1155 else | |
| 1156 { | |
| 1157 if (token.value == TOKtypeof) | |
| 1158 { | |
| 1159 tqual = parseTypeof(); | |
| 1160 check(TOKdot); | |
| 1161 } | |
| 1162 if (token.value != TOKidentifier) | |
| 1163 { | |
| 1164 error("identifier expected, not %s", token.toChars()); | |
| 1165 id = Id.empty; | |
| 1166 } | |
| 1167 else | |
| 1168 id = token.ident; | |
| 1169 nextToken(); | |
| 1170 } | |
| 1171 | |
| 1172 idents = new Array(); | |
| 1173 while (1) | |
| 1174 { | |
| 1175 tiargs = null; | |
| 1176 if (token.value == TOKnot) | |
| 1177 { | |
| 1178 nextToken(); | |
| 1179 if (token.value == TOKlparen) | |
| 1180 tiargs = parseTemplateArgumentList(); | |
| 1181 else | |
| 1182 tiargs = parseTemplateArgument(); | |
| 1183 } | |
| 1184 if (token.value != TOKdot) | |
| 1185 break; | |
| 1186 if (tiargs) | |
| 1187 { | |
| 1188 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1189 tempinst.tiargs = tiargs; | |
| 1190 id = cast(Identifier)tempinst; | |
| 1191 tiargs = null; | |
| 1192 } | |
| 1193 idents.push(cast(void*)id); | |
| 1194 nextToken(); | |
| 1195 if (token.value != TOKidentifier) | |
| 1196 { | |
| 1197 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1198 break; | |
| 1199 } | |
| 1200 id = token.ident; | |
| 1201 nextToken(); | |
| 1202 } | |
| 1203 idents.push(cast(void*)id); | |
| 1204 if (token.value == TOKidentifier) | |
| 1205 { | |
| 1206 id = token.ident; | |
| 1207 nextToken(); | |
| 1208 } | |
| 1209 else | |
| 1210 id = null; | |
| 1211 | |
| 1212 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1213 if (token.value != TOKsemicolon) | |
| 1214 error("';' expected after mixin"); | |
| 1215 nextToken(); | |
| 1216 return tm; | |
| 0 | 1217 } |
| 1218 | |
| 1219 /****************************************** | |
| 1220 * Parse template argument list. | |
| 1221 * Input: | |
| 1222 * current token is opening '(' | |
| 1223 * Output: | |
| 1224 * current token is one after closing ')' | |
| 1225 */ | |
| 1226 Objects parseTemplateArgumentList() | |
| 1227 { | |
| 1228 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1229 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1230 { | |
| 1231 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1232 return new Objects(); | |
| 1233 } | |
| 1234 return parseTemplateArgumentList2(); | |
| 1235 } | |
| 1236 | |
| 1237 Objects parseTemplateArgumentList2() | |
| 1238 { | |
| 1239 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1240 Objects tiargs = new Objects(); | |
| 1241 TOK endtok = TOKrparen; | |
| 1242 nextToken(); | |
| 1243 | |
| 1244 // Get TemplateArgumentList | |
| 1245 if (token.value != endtok) | |
| 1246 { | |
| 1247 while (1) | |
| 1248 { | |
| 1249 // See if it is an Expression or a Type | |
| 1250 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1251 { // Template argument is a type | |
| 1252 Type ta = parseType(); | |
|
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parents:
84
diff
changeset
|
1253 tiargs.push(ta); |
| 0 | 1254 } |
| 1255 else | |
| 1256 { // Template argument is an expression | |
| 1257 Expression ea = parseAssignExp(); | |
| 1258 | |
| 1259 if (ea.op == TOKfunction) | |
| 1260 { | |
| 1261 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1262 if (fd.type.ty == Tfunction) | |
| 1263 { | |
| 1264 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1265 /* If there are parameters that consist of only an identifier, | |
| 1266 * rather than assuming the identifier is a type, as we would | |
| 1267 * for regular function declarations, assume the identifier | |
| 1268 * is the parameter name, and we're building a template with | |
| 1269 * a deduced type. | |
| 1270 */ | |
| 1271 TemplateParameters tpl = null; | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1272 foreach (param; tf.parameters) |
| 0 | 1273 { |
| 1274 if (param.ident is null && | |
| 1275 param.type && | |
| 1276 param.type.ty == Tident && | |
| 1277 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1278 ) | |
| 1279 { | |
| 1280 /* Switch parameter type to parameter identifier, | |
| 1281 * parameterize with template type parameter _T | |
| 1282 */ | |
|
126
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1283 auto pt = cast(TypeIdentifier)param.type; |
| 0 | 1284 param.ident = pt.ident; |
| 1285 Identifier id = Lexer.uniqueId("__T"); | |
| 1286 param.type = new TypeIdentifier(pt.loc, id); | |
|
121
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1287 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1288 if (!tpl) |
| 1289 tpl = new TemplateParameters(); | |
|
121
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TemplateParameters -> Vector
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diff
changeset
|
1290 tpl.push(tp); |
| 0 | 1291 } |
| 1292 } | |
| 1293 | |
| 1294 if (tpl) | |
| 1295 { | |
| 1296 // Wrap a template around function fd | |
|
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
|
1297 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
|
1298 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1299 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1300 tempdecl.literal = 1; // it's a template 'literal' |
|
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parents:
84
diff
changeset
|
1301 tiargs.push(tempdecl); |
| 0 | 1302 goto L1; |
| 1303 } | |
| 1304 } | |
| 1305 } | |
| 1306 | |
|
94
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Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1307 tiargs.push(ea); |
| 0 | 1308 } |
| 1309 L1: | |
| 1310 if (token.value != TOKcomma) | |
| 1311 break; | |
| 1312 nextToken(); | |
| 1313 } | |
| 1314 } | |
| 1315 check(endtok, "template argument list"); | |
| 1316 return tiargs; | |
| 1317 } | |
| 1318 | |
| 2 | 1319 /***************************** |
| 1320 * Parse single template argument, to support the syntax: | |
| 1321 * foo!arg | |
| 1322 * Input: | |
| 1323 * current token is the arg | |
| 1324 */ | |
| 0 | 1325 Objects parseTemplateArgument() |
| 1326 { | |
| 2 | 1327 //printf("parseTemplateArgument()\n"); |
| 1328 Objects tiargs = new Objects(); | |
| 1329 Type ta; | |
| 1330 switch (token.value) | |
| 1331 { | |
| 1332 case TOKidentifier: | |
| 1333 ta = new TypeIdentifier(loc, token.ident); | |
| 1334 goto LabelX; | |
| 1335 | |
| 1336 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1337 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1338 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1339 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1340 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1341 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1342 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1343 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1344 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1345 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1346 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1347 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1348 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1349 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1350 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1351 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1352 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1353 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1354 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1355 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1356 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1357 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1358 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1359 LabelX: | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1360 tiargs.push(ta); |
| 2 | 1361 nextToken(); |
| 1362 break; | |
| 1363 | |
| 1364 case TOKint32v: | |
| 1365 case TOKuns32v: | |
| 1366 case TOKint64v: | |
| 1367 case TOKuns64v: | |
| 1368 case TOKfloat32v: | |
| 1369 case TOKfloat64v: | |
| 1370 case TOKfloat80v: | |
| 1371 case TOKimaginary32v: | |
| 1372 case TOKimaginary64v: | |
| 1373 case TOKimaginary80v: | |
| 1374 case TOKnull: | |
| 1375 case TOKtrue: | |
| 1376 case TOKfalse: | |
| 1377 case TOKcharv: | |
| 1378 case TOKwcharv: | |
| 1379 case TOKdcharv: | |
| 1380 case TOKstring: | |
| 1381 case TOKfile: | |
| 1382 case TOKline: | |
| 1383 { | |
| 1384 // Template argument is an expression | |
| 1385 Expression ea = parsePrimaryExp(); | |
|
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parents:
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diff
changeset
|
1386 tiargs.push(ea); |
| 2 | 1387 break; |
| 1388 } | |
| 1389 | |
| 1390 default: | |
| 1391 error("template argument expected following !"); | |
| 1392 break; | |
| 1393 } | |
| 1394 | |
| 1395 if (token.value == TOKnot) | |
| 1396 error("multiple ! arguments are not allowed"); | |
| 1397 return tiargs; | |
| 0 | 1398 } |
| 1399 | |
| 1400 /********************************** | |
| 1401 * Parse a static assertion. | |
| 1402 */ | |
| 1403 StaticAssert parseStaticAssert() | |
| 1404 { | |
| 1405 Loc loc = this.loc; | |
| 1406 Expression exp; | |
| 1407 Expression msg = null; | |
| 1408 | |
| 1409 //printf("parseStaticAssert()\n"); | |
| 1410 nextToken(); | |
| 1411 check(TOK.TOKlparen); | |
| 1412 exp = parseAssignExp(); | |
| 1413 if (token.value == TOK.TOKcomma) | |
| 1414 { | |
| 1415 nextToken(); | |
| 1416 msg = parseAssignExp(); | |
| 1417 } | |
| 1418 | |
| 1419 check(TOK.TOKrparen); | |
| 1420 check(TOK.TOKsemicolon); | |
| 1421 | |
| 1422 return new StaticAssert(loc, exp, msg); | |
| 1423 } | |
| 1424 | |
| 1425 TypeQualified parseTypeof() | |
| 1426 { | |
| 1427 TypeQualified t; | |
| 1428 Loc loc = this.loc; | |
| 1429 | |
| 1430 nextToken(); | |
| 1431 check(TOK.TOKlparen); | |
| 1432 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1433 { | |
| 1434 nextToken(); | |
| 1435 t = new TypeReturn(loc); | |
| 1436 } | |
| 1437 else | |
| 1438 { | |
| 1439 Expression exp = parseExpression(); // typeof(expression) | |
| 1440 t = new TypeTypeof(loc, exp); | |
| 1441 } | |
| 1442 check(TOK.TOKrparen); | |
| 1443 return t; | |
| 1444 } | |
| 1445 | |
| 1446 /*********************************** | |
| 1447 * Parse extern (linkage) | |
| 1448 * The parser is on the 'extern' token. | |
| 1449 */ | |
| 1450 LINK parseLinkage() | |
| 1451 { | |
| 1452 LINK link = LINK.LINKdefault; | |
| 1453 nextToken(); | |
| 1454 assert(token.value == TOK.TOKlparen); | |
| 1455 nextToken(); | |
| 1456 if (token.value == TOK.TOKidentifier) | |
| 1457 { | |
| 1458 Identifier id = token.ident; | |
| 1459 | |
| 1460 nextToken(); | |
| 1461 if (id == Id.Windows) | |
| 1462 link = LINK.LINKwindows; | |
| 1463 else if (id == Id.Pascal) | |
| 1464 link = LINK.LINKpascal; | |
| 1465 else if (id == Id.D) | |
| 1466 link = LINK.LINKd; | |
| 1467 else if (id == Id.C) | |
| 1468 { | |
| 1469 link = LINK.LINKc; | |
| 1470 if (token.value == TOK.TOKplusplus) | |
| 1471 { | |
| 1472 link = LINK.LINKcpp; | |
| 1473 nextToken(); | |
| 1474 } | |
| 1475 } | |
| 1476 else if (id == Id.System) | |
| 1477 { | |
| 114 | 1478 version (Windows) |
| 1479 { | |
| 0 | 1480 link = LINK.LINKwindows; |
| 114 | 1481 } |
| 1482 else | |
| 1483 { | |
| 0 | 1484 link = LINK.LINKc; |
| 1485 } | |
| 1486 } | |
| 1487 else | |
| 1488 { | |
| 1489 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1490 link = LINK.LINKd; | |
| 1491 } | |
| 1492 } | |
| 1493 else | |
| 1494 { | |
| 1495 link = LINK.LINKd; // default | |
| 1496 } | |
| 1497 check(TOK.TOKrparen); | |
| 1498 | |
| 1499 return link; | |
| 1500 } | |
| 1501 | |
| 1502 | |
| 1503 /************************************** | |
| 1504 * Parse a debug conditional | |
| 1505 */ | |
| 1506 Condition parseDebugCondition() | |
| 1507 { | |
| 1508 Condition c; | |
| 1509 | |
| 1510 if (token.value == TOK.TOKlparen) | |
| 1511 { | |
| 1512 nextToken(); | |
| 1513 uint level = 1; | |
| 1514 Identifier id = null; | |
| 1515 | |
| 1516 if (token.value == TOK.TOKidentifier) | |
| 1517 id = token.ident; | |
| 1518 else if (token.value == TOK.TOKint32v) | |
| 1519 level = cast(uint)token.uns64value; | |
| 1520 else | |
| 1521 error("identifier or integer expected, not %s", token.toChars()); | |
| 1522 | |
| 1523 nextToken(); | |
| 1524 check(TOK.TOKrparen); | |
| 1525 | |
| 1526 c = new DebugCondition(mod, level, id); | |
| 1527 } | |
| 1528 else | |
| 1529 c = new DebugCondition(mod, 1, null); | |
| 1530 | |
| 1531 return c; | |
| 1532 } | |
| 1533 | |
| 1534 /************************************** | |
| 1535 * Parse a version conditional | |
| 1536 */ | |
| 1537 Condition parseVersionCondition() | |
| 1538 { | |
| 1539 Condition c; | |
| 1540 uint level = 1; | |
| 1541 Identifier id = null; | |
| 1542 | |
| 1543 if (token.value == TOK.TOKlparen) | |
| 1544 { | |
| 1545 nextToken(); | |
| 1546 if (token.value == TOK.TOKidentifier) | |
| 1547 id = token.ident; | |
| 1548 else if (token.value == TOK.TOKint32v) | |
| 1549 level = cast(uint)token.uns64value; | |
| 1550 else { | |
| 1551 version (DMDV2) { | |
| 1552 /* Allow: | |
| 1553 * version (unittest) | |
| 1554 * even though unittest is a keyword | |
| 1555 */ | |
| 1556 if (token.value == TOK.TOKunittest) | |
| 1557 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1558 else | |
| 1559 error("identifier or integer expected, not %s", token.toChars()); | |
| 1560 } else { | |
| 1561 error("identifier or integer expected, not %s", token.toChars()); | |
| 1562 } | |
| 1563 } | |
| 1564 nextToken(); | |
| 1565 check(TOK.TOKrparen); | |
| 1566 } | |
| 1567 else | |
| 1568 error("(condition) expected following version"); | |
| 1569 | |
| 1570 c = new VersionCondition(mod, level, id); | |
| 1571 | |
| 1572 return c; | |
| 1573 } | |
| 1574 | |
| 1575 /*********************************************** | |
| 1576 * static if (expression) | |
| 1577 * body | |
| 1578 * else | |
| 1579 * body | |
| 1580 */ | |
| 1581 Condition parseStaticIfCondition() | |
| 1582 { | |
| 1583 Expression exp; | |
| 1584 Condition condition; | |
| 1585 Array aif; | |
| 1586 Array aelse; | |
| 1587 Loc loc = this.loc; | |
| 1588 | |
| 1589 nextToken(); | |
| 1590 if (token.value == TOKlparen) | |
| 1591 { | |
| 1592 nextToken(); | |
| 1593 exp = parseAssignExp(); | |
| 1594 check(TOKrparen); | |
| 1595 } | |
| 1596 else | |
| 1597 { | |
| 1598 error("(expression) expected following static if"); | |
| 1599 exp = null; | |
| 1600 } | |
| 1601 condition = new StaticIfCondition(loc, exp); | |
| 1602 return condition; | |
| 1603 } | |
| 1604 | |
| 1605 /***************************************** | |
| 1606 * Parse a constructor definition: | |
| 1607 * this(parameters) { body } | |
| 1608 * or postblit: | |
| 1609 * this(this) { body } | |
| 1610 * or constructor template: | |
| 1611 * this(templateparameters)(parameters) { body } | |
| 1612 * Current token is 'this'. | |
| 1613 */ | |
| 1614 | |
| 1615 Dsymbol parseCtor() | |
| 1616 { | |
| 1617 Loc loc = this.loc; | |
| 1618 | |
| 1619 nextToken(); | |
| 1620 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1621 { // this(this) { ... } | |
| 1622 nextToken(); | |
| 1623 nextToken(); | |
| 1624 check(TOK.TOKrparen); | |
|
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1625 auto f = new PostBlitDeclaration(loc, Loc(0)); |
| 0 | 1626 parseContracts(f); |
| 1627 return f; | |
| 1628 } | |
| 1629 | |
| 1630 /* Look ahead to see if: | |
| 1631 * this(...)(...) | |
| 1632 * which is a constructor template | |
| 1633 */ | |
| 1634 TemplateParameters tpl = null; | |
| 1635 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1636 { tpl = parseTemplateParameterList(); | |
| 1637 | |
| 1638 int varargs; | |
|
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1639 auto arguments = parseParameters(&varargs); |
| 0 | 1640 |
| 1641 Expression constraint = null; | |
| 1642 if (tpl) | |
| 1643 constraint = parseConstraint(); | |
| 1644 | |
| 1645 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1646 parseContracts(f); | |
| 1647 | |
| 1648 // Wrap a template around it | |
|
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1649 auto decldefs = new Dsymbols(); |
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1650 decldefs.push(f); |
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1651 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1652 return tempdecl; |
| 1653 } | |
| 1654 | |
| 1655 /* Just a regular constructor | |
| 1656 */ | |
| 1657 int varargs; | |
|
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1658 auto arguments = parseParameters(&varargs); |
| 0 | 1659 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); |
| 1660 parseContracts(f); | |
| 1661 return f; | |
| 1662 } | |
| 1663 | |
| 1664 PostBlitDeclaration parsePostBlit() | |
| 1665 { | |
| 1666 assert(false); | |
| 1667 } | |
| 1668 | |
| 1669 /***************************************** | |
| 1670 * Parse a destructor definition: | |
| 1671 * ~this() { body } | |
| 1672 * Current token is '~'. | |
| 1673 */ | |
| 1674 DtorDeclaration parseDtor() | |
| 1675 { | |
| 1676 DtorDeclaration f; | |
| 1677 Loc loc = this.loc; | |
| 1678 | |
| 1679 nextToken(); | |
| 1680 check(TOKthis); | |
| 1681 check(TOKlparen); | |
| 1682 check(TOKrparen); | |
| 1683 | |
| 1684 f = new DtorDeclaration(loc, Loc(0)); | |
| 1685 parseContracts(f); | |
| 1686 return f; | |
| 1687 } | |
| 1688 | |
| 1689 /***************************************** | |
| 1690 * Parse a static constructor definition: | |
| 1691 * static this() { body } | |
| 1692 * Current token is 'this'. | |
| 1693 */ | |
| 1694 StaticCtorDeclaration parseStaticCtor() | |
| 1695 { | |
| 1696 StaticCtorDeclaration f; | |
| 1697 Loc loc = this.loc; | |
| 1698 | |
| 1699 nextToken(); | |
| 1700 check(TOKlparen); | |
| 1701 check(TOKrparen); | |
| 1702 | |
| 1703 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1704 parseContracts(f); | |
| 1705 return f; | |
| 1706 } | |
| 1707 | |
| 1708 /***************************************** | |
| 1709 * Parse a static destructor definition: | |
| 1710 * static ~this() { body } | |
| 1711 * Current token is '~'. | |
| 1712 */ | |
| 1713 StaticDtorDeclaration parseStaticDtor() | |
| 1714 { | |
| 1715 StaticDtorDeclaration f; | |
| 1716 Loc loc = this.loc; | |
| 1717 | |
| 1718 nextToken(); | |
| 1719 check(TOKthis); | |
| 1720 check(TOKlparen); | |
| 1721 check(TOKrparen); | |
| 1722 | |
| 1723 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1724 parseContracts(f); | |
| 1725 return f; | |
| 1726 } | |
| 1727 | |
| 1728 /***************************************** | |
| 1729 * Parse an invariant definition: | |
| 1730 * invariant() { body } | |
| 1731 * Current token is 'invariant'. | |
| 1732 */ | |
| 1733 InvariantDeclaration parseInvariant() | |
| 1734 { | |
| 1735 InvariantDeclaration f; | |
| 1736 Loc loc = this.loc; | |
| 1737 | |
| 1738 nextToken(); | |
| 1739 if (token.value == TOKlparen) // optional () | |
| 1740 { | |
| 1741 nextToken(); | |
| 1742 check(TOKrparen); | |
| 1743 } | |
| 1744 | |
| 1745 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1746 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1747 return f; | |
| 1748 } | |
| 1749 | |
| 1750 /***************************************** | |
| 1751 * Parse a unittest definition: | |
| 1752 * unittest { body } | |
| 1753 * Current token is 'unittest'. | |
| 1754 */ | |
| 1755 UnitTestDeclaration parseUnitTest() | |
| 1756 { | |
| 1757 Loc loc = this.loc; | |
| 1758 | |
| 1759 nextToken(); | |
| 1760 | |
| 1761 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1762 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1763 | |
| 1764 return f; | |
| 1765 } | |
| 1766 | |
| 123 | 1767 /***************************************** |
| 1768 * Parse a new definition: | |
| 1769 * new(arguments) { body } | |
| 1770 * Current token is 'new'. | |
| 1771 */ | |
| 0 | 1772 NewDeclaration parseNew() |
| 1773 { | |
| 123 | 1774 NewDeclaration f; |
|
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1775 scope arguments = new Parameters(); |
| 123 | 1776 int varargs; |
| 1777 Loc loc = this.loc; | |
| 1778 | |
| 1779 nextToken(); | |
| 1780 arguments = parseParameters(&varargs); | |
| 1781 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1782 parseContracts(f); | |
| 1783 return f; | |
| 0 | 1784 } |
| 1785 | |
| 123 | 1786 /***************************************** |
| 1787 * Parse a delete definition: | |
| 1788 * delete(arguments) { body } | |
| 1789 * Current token is 'delete'. | |
| 1790 */ | |
| 0 | 1791 DeleteDeclaration parseDelete() |
| 1792 { | |
| 123 | 1793 DeleteDeclaration f; |
|
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1794 scope Parameters arguments; |
| 123 | 1795 int varargs; |
| 1796 Loc loc = this.loc; | |
| 1797 | |
| 1798 nextToken(); | |
| 1799 arguments = parseParameters(&varargs); | |
| 1800 if (varargs) | |
| 1801 error("... not allowed in delete function parameter list"); | |
| 1802 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1803 parseContracts(f); | |
| 1804 return f; | |
| 0 | 1805 } |
| 1806 | |
|
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1807 Parameters parseParameters(int* pvarargs) |
| 0 | 1808 { |
|
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1809 auto arguments = new Parameters(); |
| 0 | 1810 int varargs = 0; |
| 1811 int hasdefault = 0; | |
| 1812 | |
| 1813 check(TOK.TOKlparen); | |
| 1814 while (1) | |
| 1815 { Type *tb; | |
| 1816 Identifier ai = null; | |
| 1817 Type at; | |
|
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1818 Parameter a; |
|
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1819 StorageClass storageClass = STC.STCundefined; |
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1820 StorageClass stc; |
| 0 | 1821 Expression ae; |
| 1822 | |
| 1823 for ( ;1; nextToken()) | |
| 1824 { | |
| 1825 switch (token.value) | |
| 1826 { | |
| 1827 case TOK.TOKrparen: | |
| 1828 break; | |
| 1829 | |
| 1830 case TOK.TOKdotdotdot: | |
| 1831 varargs = 1; | |
| 1832 nextToken(); | |
| 1833 break; | |
| 1834 | |
| 1835 case TOK.TOKconst: | |
| 1836 if (peek(&token).value == TOK.TOKlparen) | |
| 1837 goto Ldefault; | |
| 1838 stc = STC.STCconst; | |
| 1839 goto L2; | |
| 1840 | |
| 1841 case TOK.TOKinvariant: | |
| 1842 case TOK.TOKimmutable: | |
| 1843 if (peek(&token).value == TOK.TOKlparen) | |
| 1844 goto Ldefault; | |
| 1845 stc = STC.STCimmutable; | |
| 1846 goto L2; | |
| 1847 | |
| 1848 case TOK.TOKshared: | |
| 1849 if (peek(&token).value == TOK.TOKlparen) | |
| 1850 goto Ldefault; | |
| 1851 stc = STC.STCshared; | |
| 1852 goto L2; | |
| 135 | 1853 |
| 1854 case TOKwild: | |
| 1855 if (peek(&token).value == TOK.TOKlparen) | |
| 1856 goto Ldefault; | |
| 1857 stc = STCwild; | |
| 1858 goto L2; | |
| 0 | 1859 |
| 1860 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1861 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 135 | 1862 version(D1INOUT) { |
| 0 | 1863 case TOK.TOKinout: |
| 135 | 1864 } |
| 0 | 1865 case TOK.TOKref: stc = STC.STCref; goto L2; |
| 1866 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1867 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1868 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 135 | 1869 case TOK.TOKauto: stc = STCauto; goto L2; |
| 0 | 1870 L2: |
| 1871 if (storageClass & stc || | |
| 1872 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1873 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1874 ) | |
| 1875 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1876 storageClass |= stc; | |
| 1877 composeStorageClass(storageClass); | |
| 1878 continue; | |
| 1879 | |
| 1880 static if (false) { | |
| 1881 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1882 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1883 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1884 L4: | |
| 1885 nextToken(); | |
| 1886 if (token.value == TOK.TOKidentifier) | |
| 1887 { ai = token.ident; | |
| 1888 nextToken(); | |
| 1889 } | |
| 1890 else | |
| 1891 ai = null; | |
| 1892 at = null; // no type | |
| 1893 ae = null; // no default argument | |
| 1894 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1895 { nextToken(); | |
| 1896 ae = parseDefaultInitExp(); | |
| 1897 hasdefault = 1; | |
| 1898 } | |
| 1899 else | |
| 1900 { if (hasdefault) | |
| 1901 error("default argument expected for alias %s", | |
| 1902 ai ? ai.toChars() : ""); | |
| 1903 } | |
| 1904 goto L3; | |
| 1905 } | |
| 1906 | |
| 1907 default: | |
| 1908 Ldefault: | |
| 1909 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1910 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1911 error("incompatible parameter storage classes"); | |
| 1912 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1913 error("out cannot be const"); | |
| 1914 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1915 error("out cannot be immutable"); | |
| 1916 if ((storageClass & STC.STCscope) && | |
| 1917 (storageClass & (STC.STCref | STC.STCout))) | |
| 1918 error("scope cannot be ref or out"); | |
| 1919 at = parseType(&ai); | |
| 1920 ae = null; | |
| 1921 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1922 { nextToken(); | |
| 1923 ae = parseDefaultInitExp(); | |
| 1924 hasdefault = 1; | |
| 1925 } | |
| 1926 else | |
| 1927 { if (hasdefault) | |
| 1928 error("default argument expected for %s", | |
| 1929 ai ? ai.toChars() : at.toChars()); | |
| 1930 } | |
| 1931 if (token.value == TOK.TOKdotdotdot) | |
| 1932 { /* This is: | |
| 1933 * at ai ... | |
| 1934 */ | |
| 1935 | |
| 1936 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1937 error("variadic argument cannot be out or ref"); | |
| 1938 varargs = 2; | |
|
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1939 a = new Parameter(storageClass, at, ai, ae); |
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1940 arguments.push(a); |
| 0 | 1941 nextToken(); |
| 1942 break; | |
| 1943 } | |
| 1944 L3: | |
|
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1945 a = new Parameter(storageClass, at, ai, ae); |
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1946 arguments.push(a); |
| 0 | 1947 if (token.value == TOK.TOKcomma) |
| 1948 { nextToken(); | |
| 1949 goto L1; | |
| 1950 } | |
| 1951 break; | |
| 1952 } | |
| 1953 break; | |
| 1954 } | |
| 1955 break; | |
| 1956 | |
| 1957 L1: ; | |
| 1958 } | |
| 1959 check(TOK.TOKrparen); | |
| 1960 *pvarargs = varargs; | |
| 1961 return arguments; | |
| 1962 } | |
| 1963 | |
| 1964 EnumDeclaration parseEnum() | |
| 1965 { | |
| 1966 EnumDeclaration e; | |
| 1967 Identifier id; | |
| 1968 Type memtype; | |
| 1969 Loc loc = this.loc; | |
| 1970 | |
| 1971 //printf("Parser.parseEnum()\n"); | |
| 1972 nextToken(); | |
| 1973 if (token.value == TOK.TOKidentifier) | |
| 1974 { | |
| 1975 id = token.ident; | |
| 1976 nextToken(); | |
| 1977 } | |
| 1978 else | |
| 1979 id = null; | |
| 1980 | |
| 1981 if (token.value == TOK.TOKcolon) | |
| 1982 { | |
| 1983 nextToken(); | |
| 1984 memtype = parseBasicType(); | |
| 1985 memtype = parseDeclarator(memtype, null, null); | |
| 1986 } | |
| 1987 else | |
| 1988 memtype = null; | |
| 1989 | |
| 1990 e = new EnumDeclaration(loc, id, memtype); | |
| 1991 if (token.value == TOK.TOKsemicolon && id) | |
| 1992 nextToken(); | |
| 1993 else if (token.value == TOK.TOKlcurly) | |
| 1994 { | |
| 1995 //printf("enum definition\n"); | |
|
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|
1996 e.members = new Dsymbols(); |
| 0 | 1997 nextToken(); |
| 79 | 1998 string comment = token.blockComment; |
| 0 | 1999 while (token.value != TOK.TOKrcurly) |
| 2000 { | |
| 2001 /* Can take the following forms: | |
| 2002 * 1. ident | |
| 2003 * 2. ident = value | |
| 2004 * 3. type ident = value | |
| 2005 */ | |
| 2006 | |
| 2007 loc = this.loc; | |
| 2008 | |
| 2009 Type type = null; | |
| 2010 Identifier ident; | |
| 2011 Token* tp = peek(&token); | |
| 2012 if (token.value == TOK.TOKidentifier && | |
| 2013 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 2014 { | |
| 2015 ident = token.ident; | |
| 2016 type = null; | |
| 2017 nextToken(); | |
| 2018 } | |
| 2019 else | |
| 2020 { | |
| 2021 type = parseType(&ident, null); | |
| 2022 if (id || memtype) | |
| 2023 error("type only allowed if anonymous enum and no enum type"); | |
| 2024 } | |
| 2025 | |
| 2026 Expression value; | |
| 2027 if (token.value == TOK.TOKassign) | |
| 2028 { | |
| 2029 nextToken(); | |
| 2030 value = parseAssignExp(); | |
| 2031 } | |
| 2032 else | |
| 2033 { | |
| 2034 value = null; | |
| 2035 if (type) | |
| 2036 error("if type, there must be an initializer"); | |
| 2037 } | |
| 2038 | |
|
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diff
changeset
|
2039 auto em = new EnumMember(loc, ident, value, type); |
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diff
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|
2040 e.members.push(em); |
| 0 | 2041 |
| 2042 if (token.value == TOK.TOKrcurly) { | |
| 2043 ; | |
| 2044 } else { | |
| 2045 addComment(em, comment); | |
| 2046 comment = null; | |
| 2047 check(TOK.TOKcomma); | |
| 2048 } | |
| 2049 addComment(em, comment); | |
| 2050 comment = token.blockComment; | |
| 2051 } | |
| 2052 nextToken(); | |
| 2053 } | |
| 2054 else | |
| 2055 error("enum declaration is invalid"); | |
| 2056 | |
| 2057 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2058 return e; | |
| 2059 } | |
| 2060 | |
| 2061 Dsymbol parseAggregate() | |
| 2062 { | |
| 2063 AggregateDeclaration a = null; | |
| 2064 int anon = 0; | |
| 2065 TOK tok; | |
| 2066 Identifier id; | |
| 2067 TemplateParameters tpl = null; | |
| 2068 Expression constraint = null; | |
| 2069 | |
| 2070 //printf("Parser.parseAggregate()\n"); | |
| 2071 tok = token.value; | |
| 2072 nextToken(); | |
| 2073 if (token.value != TOK.TOKidentifier) | |
| 2074 { | |
| 2075 id = null; | |
| 2076 } | |
| 2077 else | |
| 2078 { | |
| 2079 id = token.ident; | |
| 2080 nextToken(); | |
| 2081 | |
| 2082 if (token.value == TOK.TOKlparen) | |
| 2083 { | |
| 2084 // Class template declaration. | |
| 2085 | |
| 2086 // Gather template parameter list | |
| 2087 tpl = parseTemplateParameterList(); | |
| 2088 constraint = parseConstraint(); | |
| 2089 } | |
| 2090 } | |
| 2091 | |
| 2092 Loc loc = this.loc; | |
| 2093 switch (tok) | |
| 2094 { case TOK.TOKclass: | |
| 2095 case TOK.TOKinterface: | |
| 2096 { | |
| 2097 if (!id) | |
| 2098 error("anonymous classes not allowed"); | |
| 2099 | |
| 2100 // Collect base class(es) | |
| 2101 BaseClasses baseclasses = null; | |
| 2102 if (token.value == TOK.TOKcolon) | |
| 2103 { | |
| 2104 nextToken(); | |
| 2105 baseclasses = parseBaseClasses(); | |
| 2106 | |
| 2107 if (token.value != TOK.TOKlcurly) | |
| 2108 error("members expected"); | |
| 2109 } | |
| 2110 | |
| 2111 if (tok == TOK.TOKclass) | |
| 2112 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2113 else | |
| 2114 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2115 break; | |
| 2116 } | |
| 2117 | |
| 2118 case TOK.TOKstruct: | |
| 2119 if (id) | |
| 2120 a = new StructDeclaration(loc, id); | |
| 2121 else | |
| 2122 anon = 1; | |
| 2123 break; | |
| 2124 | |
| 2125 case TOK.TOKunion: | |
| 2126 if (id) | |
| 2127 a = new UnionDeclaration(loc, id); | |
| 2128 else | |
| 2129 anon = 2; | |
| 2130 break; | |
| 2131 | |
| 2132 default: | |
| 2133 assert(0); | |
| 2134 break; | |
| 2135 } | |
| 2136 if (a && token.value == TOK.TOKsemicolon) | |
| 2137 { nextToken(); | |
| 2138 } | |
| 2139 else if (token.value == TOK.TOKlcurly) | |
| 2140 { | |
| 2141 //printf("aggregate definition\n"); | |
| 2142 nextToken(); | |
|
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diff
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|
2143 auto decl = parseDeclDefs(0); |
| 0 | 2144 if (token.value != TOK.TOKrcurly) |
| 2145 error("} expected following member declarations in aggregate"); | |
| 2146 nextToken(); | |
| 2147 if (anon) | |
| 2148 { | |
| 2149 /* Anonymous structs/unions are more like attributes. | |
| 2150 */ | |
| 2151 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2152 } | |
| 2153 else | |
| 2154 a.members = decl; | |
| 2155 } | |
| 2156 else | |
| 2157 { | |
| 2158 error("{ } expected following aggregate declaration"); | |
| 2159 a = new StructDeclaration(loc, null); | |
| 2160 } | |
| 2161 | |
| 2162 if (tpl) | |
| 2163 { // Wrap a template around the aggregate declaration | |
| 2164 | |
|
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diff
changeset
|
2165 auto decldefs = new Dsymbols(); |
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diff
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|
2166 decldefs.push(a); |
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parents:
56
diff
changeset
|
2167 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2168 return tempdecl; |
| 2169 } | |
| 2170 | |
| 2171 return a; | |
| 2172 } | |
| 2173 | |
| 2174 BaseClasses parseBaseClasses() | |
| 2175 { | |
| 2176 BaseClasses baseclasses = new BaseClasses(); | |
| 2177 | |
| 2178 for (; 1; nextToken()) | |
| 2179 { | |
| 2180 PROT protection = PROT.PROTpublic; | |
| 2181 switch (token.value) | |
| 2182 { | |
| 2183 case TOK.TOKprivate: | |
| 2184 protection = PROT.PROTprivate; | |
| 2185 nextToken(); | |
| 2186 break; | |
| 2187 case TOK.TOKpackage: | |
| 2188 protection = PROT.PROTpackage; | |
| 2189 nextToken(); | |
| 2190 break; | |
| 2191 case TOK.TOKprotected: | |
| 2192 protection = PROT.PROTprotected; | |
| 2193 nextToken(); | |
| 2194 break; | |
| 2195 case TOK.TOKpublic: | |
| 2196 protection = PROT.PROTpublic; | |
| 2197 nextToken(); | |
| 2198 break; | |
| 2199 default: | |
| 2200 break; /// | |
| 2201 } | |
| 2202 if (token.value == TOK.TOKidentifier) | |
| 2203 { | |
|
125
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diff
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|
2204 auto b = new BaseClass(parseBasicType(), protection); |
|
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diff
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|
2205 baseclasses.push(b); |
| 0 | 2206 if (token.value != TOK.TOKcomma) |
| 2207 break; | |
| 2208 } | |
| 2209 else | |
| 2210 { | |
| 2211 error("base classes expected instead of %s", token.toChars()); | |
| 2212 return null; | |
| 2213 } | |
| 2214 } | |
| 2215 return baseclasses; | |
| 2216 } | |
| 2217 | |
|
74
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56
diff
changeset
|
2218 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2219 { |
| 2220 Import s; | |
| 2221 Identifier id; | |
| 2222 Identifier aliasid = null; | |
|
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diff
changeset
|
2223 Identifiers a; |
| 0 | 2224 Loc loc; |
| 2225 | |
| 2226 //printf("Parser.parseImport()\n"); | |
| 2227 do | |
| 2228 { | |
| 2229 L1: | |
| 2230 nextToken(); | |
| 2231 if (token.value != TOK.TOKidentifier) | |
| 2232 { | |
| 2233 error("Identifier expected following import"); | |
| 2234 break; | |
| 2235 } | |
| 2236 | |
| 2237 loc = this.loc; | |
| 2238 a = null; | |
| 2239 id = token.ident; | |
| 2240 nextToken(); | |
| 2241 if (!aliasid && token.value == TOK.TOKassign) | |
| 2242 { | |
| 2243 aliasid = id; | |
| 2244 goto L1; | |
| 2245 } | |
| 2246 while (token.value == TOK.TOKdot) | |
| 2247 { | |
| 2248 if (!a) | |
|
128
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126
diff
changeset
|
2249 a = new Identifiers(); |
|
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126
diff
changeset
|
2250 a.push(id); |
| 0 | 2251 nextToken(); |
| 2252 if (token.value != TOK.TOKidentifier) | |
| 2253 { | |
| 2254 error("identifier expected following package"); | |
| 2255 break; | |
| 2256 } | |
| 2257 id = token.ident; | |
| 2258 nextToken(); | |
| 2259 } | |
| 2260 | |
| 2261 s = new Import(loc, a, id, aliasid, isstatic); | |
|
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
|
2262 decldefs.push(s); |
| 0 | 2263 |
| 2264 /* Look for | |
| 2265 * : alias=name, alias=name; | |
| 2266 * syntax. | |
| 2267 */ | |
| 2268 if (token.value == TOK.TOKcolon) | |
| 2269 { | |
| 2270 do | |
| 2271 { | |
| 2272 Identifier name; | |
| 2273 | |
| 2274 nextToken(); | |
| 2275 if (token.value != TOK.TOKidentifier) | |
| 2276 { | |
| 2277 error("Identifier expected following :"); | |
| 2278 break; | |
| 2279 } | |
| 2280 Identifier alias_ = token.ident; | |
| 2281 nextToken(); | |
| 2282 if (token.value == TOK.TOKassign) | |
| 2283 { | |
| 2284 nextToken(); | |
| 2285 if (token.value != TOK.TOKidentifier) | |
| 2286 { | |
| 2287 error("Identifier expected following %s=", alias_.toChars()); | |
| 2288 break; | |
| 2289 } | |
| 2290 name = token.ident; | |
| 2291 nextToken(); | |
| 2292 } | |
| 2293 else | |
| 2294 { | |
| 2295 name = alias_; | |
| 2296 alias_ = null; | |
| 2297 } | |
| 2298 s.addAlias(name, alias_); | |
| 2299 } while (token.value == TOK.TOKcomma); | |
| 2300 | |
| 2301 break; // no comma-separated imports of this form | |
| 2302 } | |
| 2303 | |
| 2304 aliasid = null; | |
| 2305 | |
| 2306 } while (token.value == TOK.TOKcomma); | |
| 2307 | |
| 2308 if (token.value == TOK.TOKsemicolon) | |
| 2309 nextToken(); | |
| 2310 else | |
| 2311 { | |
| 2312 error("';' expected"); | |
| 2313 nextToken(); | |
| 2314 } | |
| 2315 | |
| 2316 return null; | |
| 2317 } | |
| 2318 | |
| 2319 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2320 { | |
| 2321 Type t; | |
| 2322 | |
| 2323 /* Take care of the storage class prefixes that | |
| 2324 * serve as type attributes: | |
| 2325 * const shared, shared const, const, invariant, shared | |
| 2326 */ | |
| 2327 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2328 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2329 { | |
| 2330 nextToken(); | |
| 2331 nextToken(); | |
| 2332 /* shared const type | |
| 2333 */ | |
| 2334 t = parseType(pident, tpl); | |
| 2335 t = t.makeSharedConst(); | |
| 2336 return t; | |
| 2337 } | |
| 135 | 2338 else if (token.value == TOKwild && peekNext() == TOKshared && peekNext2() != TOKlparen || |
| 2339 token.value == TOKshared && peekNext() == TOKwild && peekNext2() != TOKlparen) | |
| 2340 { | |
| 2341 nextToken(); | |
| 2342 nextToken(); | |
| 2343 /* shared wild type | |
| 2344 */ | |
| 2345 t = parseType(pident, tpl); | |
| 2346 t = t.makeSharedWild(); | |
| 2347 return t; | |
| 2348 } | |
| 0 | 2349 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) |
| 2350 { | |
| 2351 nextToken(); | |
| 2352 /* const type | |
| 2353 */ | |
| 2354 t = parseType(pident, tpl); | |
| 2355 t = t.makeConst(); | |
| 2356 return t; | |
| 2357 } | |
| 2358 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2359 peekNext() != TOK.TOKlparen) | |
| 2360 { | |
| 2361 nextToken(); | |
| 2362 /* invariant type | |
| 2363 */ | |
| 2364 t = parseType(pident, tpl); | |
| 2365 t = t.makeInvariant(); | |
| 2366 return t; | |
| 2367 } | |
| 2368 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2369 { | |
| 2370 nextToken(); | |
| 2371 /* shared type | |
| 2372 */ | |
| 2373 t = parseType(pident, tpl); | |
| 2374 t = t.makeShared(); | |
| 2375 return t; | |
| 2376 } | |
| 135 | 2377 else if (token.value == TOKwild && peekNext() != TOKlparen) |
| 2378 { | |
| 2379 nextToken(); | |
| 2380 /* wild type | |
| 2381 */ | |
| 2382 t = parseType(pident, tpl); | |
| 2383 t = t.makeWild(); | |
| 2384 return t; | |
| 2385 } | |
| 0 | 2386 else |
| 2387 t = parseBasicType(); | |
| 2388 t = parseDeclarator(t, pident, tpl); | |
| 2389 return t; | |
| 2390 } | |
| 2391 | |
| 2392 Type parseBasicType() | |
| 2393 { | |
| 2394 Type t; | |
| 2395 Identifier id; | |
| 2396 TypeQualified tid; | |
| 2397 | |
| 2398 //printf("parseBasicType()\n"); | |
| 2399 switch (token.value) | |
| 2400 { | |
| 2401 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2402 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2403 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2404 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2405 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2406 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2407 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2408 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2409 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2410 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2411 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2412 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2413 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2414 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2415 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2416 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2417 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2418 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2419 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2420 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2421 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2422 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2423 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2424 LabelX: | |
| 2425 nextToken(); | |
| 2426 break; | |
| 2427 | |
| 2428 case TOK.TOKidentifier: | |
| 2429 id = token.ident; | |
| 2430 nextToken(); | |
| 2431 if (token.value == TOK.TOKnot) | |
| 2432 { // ident!(template_arguments) | |
| 2433 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2434 nextToken(); | |
| 2435 if (token.value == TOK.TOKlparen) | |
| 2436 // ident!(template_arguments) | |
| 2437 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2438 else | |
| 2439 // ident!template_argument | |
| 2440 tempinst.tiargs = parseTemplateArgument(); | |
| 2441 tid = new TypeInstance(loc, tempinst); | |
| 2442 goto Lident2; | |
| 2443 } | |
| 2444 Lident: | |
| 2445 tid = new TypeIdentifier(loc, id); | |
| 2446 Lident2: | |
| 2447 while (token.value == TOK.TOKdot) | |
| 2448 { nextToken(); | |
| 2449 if (token.value != TOK.TOKidentifier) | |
| 2450 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2451 break; | |
| 2452 } | |
| 2453 id = token.ident; | |
| 2454 nextToken(); | |
| 2455 if (token.value == TOK.TOKnot) | |
| 2456 { | |
| 2457 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2458 nextToken(); | |
| 2459 if (token.value == TOK.TOKlparen) | |
| 2460 // ident!(template_arguments) | |
| 2461 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2462 else | |
| 2463 // ident!template_argument | |
| 2464 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2465 tid.addIdent(tempinst); |
| 0 | 2466 } |
| 2467 else | |
| 2468 tid.addIdent(id); | |
| 2469 } | |
| 2470 t = tid; | |
| 2471 break; | |
| 2472 | |
| 2473 case TOK.TOKdot: | |
| 2474 // Leading . as in .foo | |
| 2475 id = Id.empty; | |
| 2476 goto Lident; | |
| 2477 | |
| 2478 case TOK.TOKtypeof: | |
| 2479 // typeof(expression) | |
| 2480 tid = parseTypeof(); | |
| 2481 goto Lident2; | |
| 2482 | |
| 2483 case TOK.TOKconst: | |
| 2484 // const(type) | |
| 2485 nextToken(); | |
| 2486 check(TOK.TOKlparen); | |
| 2487 t = parseType(); | |
| 2488 check(TOK.TOKrparen); | |
| 2489 if (t.isShared()) | |
| 2490 t = t.makeSharedConst(); | |
| 2491 else | |
| 2492 t = t.makeConst(); | |
| 2493 break; | |
| 2494 | |
| 2495 case TOK.TOKinvariant: | |
| 2496 case TOK.TOKimmutable: | |
| 2497 // invariant(type) | |
| 2498 nextToken(); | |
| 2499 check(TOK.TOKlparen); | |
| 2500 t = parseType(); | |
| 2501 check(TOK.TOKrparen); | |
| 2502 t = t.makeInvariant(); | |
| 2503 break; | |
| 2504 | |
| 2505 case TOK.TOKshared: | |
| 2506 // shared(type) | |
| 2507 nextToken(); | |
| 2508 check(TOK.TOKlparen); | |
| 2509 t = parseType(); | |
| 2510 check(TOK.TOKrparen); | |
| 2511 if (t.isConst()) | |
| 2512 t = t.makeSharedConst(); | |
| 135 | 2513 else if (t.isWild()) |
| 2514 t = t.makeSharedWild(); | |
| 0 | 2515 else |
| 2516 t = t.makeShared(); | |
| 2517 break; | |
| 2518 | |
| 135 | 2519 case TOKwild: |
| 2520 // wild(type) | |
| 2521 nextToken(); | |
| 2522 check(TOK.TOKlparen); | |
| 2523 t = parseType(); | |
| 2524 check(TOK.TOKrparen); | |
| 2525 if (t.isShared()) | |
| 2526 t = t.makeSharedWild(); | |
| 2527 else | |
| 2528 t = t.makeWild(); | |
| 2529 break; | |
| 2530 | |
| 0 | 2531 default: |
| 2532 error("basic type expected, not %s", token.toChars()); | |
| 2533 t = Type.tint32; | |
| 2534 break; | |
| 2535 } | |
| 2536 return t; | |
| 2537 } | |
| 2538 | |
| 2539 Type parseBasicType2(Type t) | |
| 2540 { | |
| 79 | 2541 //writef("parseBasicType2()\n"); |
| 0 | 2542 while (1) |
| 2543 { | |
| 79 | 2544 switch (token.value) |
| 0 | 2545 { |
| 79 | 2546 case TOK.TOKmul: |
| 2547 t = new TypePointer(t); | |
| 2548 nextToken(); | |
| 2549 continue; | |
| 2550 | |
| 2551 case TOK.TOKlbracket: | |
| 2552 // Handle []. Make sure things like | |
| 2553 // int[3][1] a; | |
| 2554 // is (array[1] of array[3] of int) | |
| 0 | 2555 nextToken(); |
| 79 | 2556 if (token.value == TOK.TOKrbracket) |
| 2557 { | |
| 2558 t = new TypeDArray(t); // [] | |
| 2559 nextToken(); | |
| 2560 } | |
| 2561 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2562 { |
| 79 | 2563 t = new TypeNewArray(t); // [new] |
| 2564 nextToken(); | |
| 2565 nextToken(); | |
| 2566 } | |
| 2567 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2568 { // It's an associative array declaration | |
| 2569 | |
| 2570 //printf("it's an associative array\n"); | |
| 2571 Type index = parseType(); // [ type ] | |
| 2572 t = new TypeAArray(t, index); | |
| 2573 check(TOK.TOKrbracket); | |
| 0 | 2574 } |
| 2575 else | |
| 79 | 2576 { |
| 2577 //printf("it's type[expression]\n"); | |
| 2578 inBrackets++; | |
|
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2579 Expression e = parseAssignExp(); // [ expression ] |
| 79 | 2580 if (token.value == TOK.TOKslice) |
| 2581 { | |
| 2582 nextToken(); | |
|
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2583 Expression e2 = parseAssignExp(); // [ exp .. exp ] |
| 79 | 2584 t = new TypeSlice(t, e, e2); |
| 2585 } | |
| 2586 else | |
| 2587 t = new TypeSArray(t,e); | |
| 2588 inBrackets--; | |
| 2589 check(TOK.TOKrbracket); | |
| 2590 } | |
| 2591 continue; | |
| 2592 | |
| 2593 case TOK.TOKdelegate: | |
| 2594 case TOK.TOKfunction: | |
| 2595 { // Handle delegate declaration: | |
| 2596 // t delegate(parameter list) nothrow pure | |
| 2597 // t function(parameter list) nothrow pure | |
|
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2598 Parameters arguments; |
| 79 | 2599 int varargs; |
| 2600 bool ispure = false; | |
| 2601 bool isnothrow = false; | |
|
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2602 bool isproperty = false; |
| 79 | 2603 TOK save = token.value; |
|
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2604 TRUST trust = TRUSTdefault; |
| 79 | 2605 |
| 2606 nextToken(); | |
| 2607 arguments = parseParameters(&varargs); | |
| 2608 while (1) | |
| 2609 { // Postfixes | |
| 2610 if (token.value == TOK.TOKpure) | |
|
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2611 ispure = true; |
| 79 | 2612 else if (token.value == TOK.TOKnothrow) |
|
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2613 isnothrow = true; |
|
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2614 else if (token.value == TOKat) |
|
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2615 { StorageClass stc = parseAttribute(); |
|
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2616 switch (cast(uint)(stc >> 32)) |
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2617 { case STCproperty >> 32: |
|
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2618 isproperty = true; |
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2619 break; |
|
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2620 case STCsafe >> 32: |
|
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2621 trust = TRUSTsafe; |
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2622 break; |
|
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2623 case STCsystem >> 32: |
|
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2624 trust = TRUSTsystem; |
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2625 break; |
|
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2626 case STCtrusted >> 32: |
|
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2627 trust = TRUSTtrusted; |
|
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2628 break; |
|
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2629 case 0: |
|
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2630 break; |
|
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2631 default: |
|
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2632 assert(0); |
|
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2633 } |
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2634 } |
| 79 | 2635 else |
|
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2636 break; |
| 79 | 2637 nextToken(); |
| 2638 } | |
| 2639 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2640 tf.ispure = ispure; | |
| 2641 tf.isnothrow = isnothrow; | |
|
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2642 tf.isproperty = isproperty; |
|
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|
2643 tf.trust = trust; |
| 79 | 2644 if (save == TOK.TOKdelegate) |
| 2645 t = new TypeDelegate(tf); | |
| 0 | 2646 else |
| 79 | 2647 t = new TypePointer(tf); // pointer to function |
| 2648 continue; | |
| 2649 } | |
| 2650 | |
| 2651 default: | |
| 2652 return t; | |
| 2653 } | |
| 2654 assert(0); | |
| 0 | 2655 } |
| 2656 assert(0); | |
| 2657 return null; | |
| 2658 } | |
| 2659 | |
| 2660 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2661 { | |
| 2662 Type ts; | |
| 2663 | |
| 2664 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2665 t = parseBasicType2(t); | |
| 2666 | |
| 2667 switch (token.value) | |
| 2668 { | |
| 2669 | |
| 2670 case TOK.TOKidentifier: | |
| 2671 if (pident) | |
| 2672 *pident = token.ident; | |
| 2673 else | |
| 2674 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2675 ts = t; | |
| 2676 nextToken(); | |
| 2677 break; | |
| 2678 | |
| 2679 case TOK.TOKlparen: | |
| 2680 /* Parse things with parentheses around the identifier, like: | |
| 2681 * int (*ident[3])[] | |
| 2682 * although the D style would be: | |
| 2683 * int[]*[3] ident | |
| 2684 */ | |
| 2685 nextToken(); | |
| 2686 ts = parseDeclarator(t, pident); | |
| 2687 check(TOK.TOKrparen); | |
| 2688 break; | |
| 2689 | |
| 2690 default: | |
| 2691 ts = t; | |
| 2692 break; | |
| 2693 } | |
| 2694 | |
| 2695 // parse DeclaratorSuffixes | |
| 2696 while (1) | |
| 2697 { | |
| 2698 switch (token.value) | |
| 2699 { | |
| 2700 version (CARRAYDECL) { | |
| 2701 /* Support C style array syntax: | |
| 2702 * int ident[] | |
| 2703 * as opposed to D-style: | |
| 2704 * int[] ident | |
| 2705 */ | |
| 2706 case TOK.TOKlbracket: | |
| 2707 { // This is the old C-style post [] syntax. | |
| 2708 TypeNext ta; | |
| 2709 nextToken(); | |
| 2710 if (token.value == TOK.TOKrbracket) | |
| 2711 { // It's a dynamic array | |
| 2712 ta = new TypeDArray(t); // [] | |
| 2713 nextToken(); | |
| 2714 } | |
| 79 | 2715 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2716 { | |
| 2717 t = new TypeNewArray(t); // [new] | |
| 2718 nextToken(); | |
| 2719 nextToken(); | |
| 2720 } | |
| 0 | 2721 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2722 { // It's an associative array | |
| 2723 | |
| 2724 //printf("it's an associative array\n"); | |
| 2725 Type index = parseType(); // [ type ] | |
| 2726 check(TOK.TOKrbracket); | |
| 2727 ta = new TypeAArray(t, index); | |
| 2728 } | |
| 2729 else | |
| 2730 { | |
| 2731 //printf("It's a static array\n"); | |
|
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|
2732 Expression e = parseAssignExp(); // [ expression ] |
| 0 | 2733 ta = new TypeSArray(t, e); |
| 2734 check(TOK.TOKrbracket); | |
| 2735 } | |
| 2736 | |
| 2737 /* Insert ta into | |
| 2738 * ts . ... . t | |
| 2739 * so that | |
| 2740 * ts . ... . ta . t | |
| 2741 */ | |
| 2742 Type* pt; | |
| 2743 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2744 ; | |
| 2745 } | |
| 2746 *pt = ta; | |
| 2747 continue; | |
| 2748 } | |
| 2749 } | |
| 2750 case TOK.TOKlparen: | |
| 2751 { | |
| 2752 if (tpl) | |
| 2753 { | |
| 2754 /* Look ahead to see if this is (...)(...), | |
| 2755 * i.e. a function template declaration | |
| 2756 */ | |
| 2757 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2758 { | |
| 2759 //printf("function template declaration\n"); | |
| 2760 | |
| 2761 // Gather template parameter list | |
| 2762 *tpl = parseTemplateParameterList(); | |
| 2763 } | |
| 2764 } | |
| 2765 | |
| 2766 int varargs; | |
|
130
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|
2767 auto arguments = parseParameters(&varargs); |
| 0 | 2768 Type tf = new TypeFunction(arguments, t, varargs, linkage); |
| 2769 | |
| 2770 /* Parse const/invariant/nothrow/pure postfix | |
| 2771 */ | |
| 2772 while (1) | |
| 2773 { | |
| 2774 switch (token.value) | |
| 2775 { | |
| 2776 case TOK.TOKconst: | |
| 2777 if (tf.isShared()) | |
| 2778 tf = tf.makeSharedConst(); | |
| 2779 else | |
| 2780 tf = tf.makeConst(); | |
| 2781 nextToken(); | |
| 2782 continue; | |
| 2783 | |
| 2784 case TOK.TOKinvariant: | |
| 2785 case TOK.TOKimmutable: | |
| 2786 tf = tf.makeInvariant(); | |
| 2787 nextToken(); | |
| 2788 continue; | |
| 2789 | |
| 2790 case TOK.TOKshared: | |
| 2791 if (tf.isConst()) | |
| 2792 tf = tf.makeSharedConst(); | |
| 2793 else | |
| 2794 tf = tf.makeShared(); | |
| 2795 nextToken(); | |
| 2796 continue; | |
| 2797 | |
| 135 | 2798 case TOKwild: |
| 2799 if (tf.isShared()) | |
| 2800 tf = tf.makeSharedWild(); | |
| 2801 else | |
| 2802 tf = tf.makeWild(); | |
| 2803 nextToken(); | |
| 2804 continue; | |
| 2805 | |
| 0 | 2806 case TOK.TOKnothrow: |
| 2807 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2808 nextToken(); | |
| 2809 continue; | |
| 2810 | |
| 2811 case TOK.TOKpure: | |
| 2812 (cast(TypeFunction)tf).ispure = 1; | |
| 2813 nextToken(); | |
| 2814 continue; | |
| 2815 | |
| 2816 case TOK.TOKat: | |
|
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2817 { |
|
131
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|
2818 StorageClass stc = parseAttribute(); |
|
130
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|
2819 auto tfunc = cast(TypeFunction)tf; |
|
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2820 switch (cast(uint)(stc >> 32)) |
|
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|
2821 { |
|
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|
2822 case STCproperty >> 32: |
|
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|
2823 tfunc.isproperty = 1; |
|
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|
2824 break; |
|
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|
2825 case STCsafe >> 32: |
|
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|
2826 tfunc.trust = TRUSTsafe; |
|
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|
2827 break; |
|
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|
2828 case STCsystem >> 32: |
|
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|
2829 tfunc.trust = TRUSTsystem; |
|
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2830 break; |
|
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|
2831 case STCtrusted >> 32: |
|
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2832 tfunc.trust = TRUSTtrusted; |
|
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|
2833 break; |
|
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|
2834 case 0: |
|
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|
2835 break; |
|
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|
2836 default: |
|
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|
2837 assert(0); |
|
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2838 } |
|
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|
2839 nextToken(); |
|
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|
2840 continue; |
|
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|
2841 } |
| 0 | 2842 default: |
| 2843 break; /// | |
| 2844 } | |
| 2845 break; | |
| 2846 } | |
| 2847 | |
| 2848 /* Insert tf into | |
| 2849 * ts . ... . t | |
| 2850 * so that | |
| 2851 * ts . ... . tf . t | |
| 2852 */ | |
| 2853 Type* pt; | |
| 2854 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2855 ; | |
| 2856 } | |
| 2857 *pt = tf; | |
| 2858 break; | |
| 2859 } | |
| 2860 | |
| 2861 default: | |
| 2862 break; /// | |
| 2863 } | |
| 2864 break; | |
| 2865 } | |
| 2866 | |
| 2867 return ts; | |
| 2868 } | |
| 2869 | |
|
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|
2870 Dsymbols parseDeclarations(StorageClass storage_class) |
| 0 | 2871 { |
|
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|
2872 StorageClass stc; |
| 0 | 2873 Type ts; |
| 2874 Type t; | |
| 2875 Type tfirst; | |
| 2876 Identifier ident; | |
|
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
|
2877 Dsymbols a; |
| 0 | 2878 TOK tok = TOK.TOKreserved; |
| 79 | 2879 string comment = token.blockComment; |
| 0 | 2880 LINK link = linkage; |
| 2881 | |
| 2882 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2883 if (storage_class) | |
| 2884 { ts = null; // infer type | |
| 2885 goto L2; | |
| 2886 } | |
| 2887 | |
| 2888 switch (token.value) | |
| 2889 { | |
| 2890 case TOK.TOKalias: | |
| 2891 /* Look for: | |
| 2892 * alias identifier this; | |
| 2893 */ | |
| 2894 tok = token.value; | |
| 2895 nextToken(); | |
| 2896 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2897 { | |
| 2898 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2899 nextToken(); | |
| 2900 check(TOK.TOKthis); | |
| 2901 check(TOK.TOKsemicolon); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
56
diff
changeset
|
2902 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2903 a.push(s); |
| 0 | 2904 addComment(s, comment); |
| 2905 return a; | |
| 2906 } | |
| 2907 break; | |
| 2908 case TOK.TOKtypedef: | |
| 2909 tok = token.value; | |
| 2910 nextToken(); | |
| 2911 break; | |
| 2912 default: | |
| 2913 break; | |
| 2914 } | |
| 2915 | |
| 2916 storage_class = STC.STCundefined; | |
| 2917 while (1) | |
| 2918 { | |
| 2919 switch (token.value) | |
| 2920 { | |
| 2921 case TOK.TOKconst: | |
| 2922 if (peek(&token).value == TOK.TOKlparen) | |
| 2923 break; // const as type constructor | |
| 2924 stc = STC.STCconst; // const as storage class | |
| 2925 goto L1; | |
| 2926 | |
| 2927 case TOK.TOKinvariant: | |
| 2928 case TOK.TOKimmutable: | |
| 2929 if (peek(&token).value == TOK.TOKlparen) | |
| 2930 break; | |
| 2931 stc = STC.STCimmutable; | |
| 2932 goto L1; | |
| 2933 | |
| 2934 case TOK.TOKshared: | |
| 2935 if (peek(&token).value == TOK.TOKlparen) | |
| 2936 break; | |
| 2937 stc = STC.STCshared; | |
| 135 | 2938 goto L1; |
| 2939 | |
| 2940 case TOKwild: | |
| 2941 if (peek(&token).value == TOK.TOKlparen) | |
| 2942 break; | |
| 2943 stc = STC.STCwild; | |
| 0 | 2944 goto L1; |
| 2945 | |
| 2946 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2947 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2948 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2949 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2950 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2951 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2952 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2953 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2954 version (DMDV2) { | |
| 2955 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2956 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2957 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2958 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2959 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2960 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
|
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128
diff
changeset
|
2961 case TOK.TOKat: stc = parseAttribute(); goto L1; |
| 0 | 2962 } |
| 2963 L1: | |
| 2964 if (storage_class & stc) | |
| 2965 error("redundant storage class '%s'", token.toChars()); | |
| 2966 storage_class = (storage_class | stc); | |
| 2967 composeStorageClass(storage_class); | |
| 2968 nextToken(); | |
| 2969 continue; | |
| 2970 | |
| 2971 case TOK.TOKextern: | |
| 2972 if (peek(&token).value != TOK.TOKlparen) | |
| 2973 { stc = STC.STCextern; | |
| 2974 goto L1; | |
| 2975 } | |
| 2976 | |
| 2977 link = parseLinkage(); | |
| 2978 continue; | |
| 2979 | |
| 2980 default: | |
| 2981 break; | |
| 2982 } | |
| 2983 break; | |
| 2984 } | |
| 2985 | |
| 2986 /* Look for auto initializers: | |
| 2987 * storage_class identifier = initializer; | |
| 2988 */ | |
| 2989 if (storage_class && | |
| 2990 token.value == TOK.TOKidentifier && | |
| 2991 peek(&token).value == TOK.TOKassign) | |
| 2992 { | |
| 2993 return parseAutoDeclarations(storage_class, comment); | |
| 2994 } | |
| 2995 | |
| 2996 if (token.value == TOK.TOKclass) | |
| 2997 { | |
| 2998 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2999 s.storage_class |= storage_class; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3000 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3001 a.push(s); |
| 0 | 3002 addComment(s, comment); |
| 3003 return a; | |
| 3004 } | |
| 3005 | |
| 3006 /* Look for return type inference for template functions. | |
| 3007 */ | |
| 3008 { | |
| 3009 Token *tk; | |
| 3010 if (storage_class && | |
| 3011 token.value == TOK.TOKidentifier && | |
| 3012 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 3013 skipParens(tk, &tk) && | |
| 3014 peek(tk).value == TOK.TOKlparen) | |
| 3015 { | |
| 3016 ts = null; | |
| 3017 } | |
| 3018 else | |
| 3019 { | |
| 3020 ts = parseBasicType(); | |
| 3021 ts = parseBasicType2(ts); | |
| 3022 } | |
| 3023 } | |
| 3024 | |
| 3025 L2: | |
| 3026 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3027 a = new Dsymbols(); |
| 0 | 3028 |
| 3029 while (1) | |
| 3030 { | |
| 3031 Loc loc = this.loc; | |
| 3032 TemplateParameters tpl = null; | |
| 3033 | |
| 3034 ident = null; | |
| 3035 t = parseDeclarator(ts, &ident, &tpl); | |
| 3036 assert(t); | |
| 3037 if (!tfirst) | |
| 3038 tfirst = t; | |
| 3039 else if (t != tfirst) | |
| 3040 error("multiple declarations must have the same type, not %s and %s", | |
| 3041 tfirst.toChars(), t.toChars()); | |
| 3042 if (!ident) | |
| 3043 error("no identifier for declarator %s", t.toChars()); | |
| 3044 | |
| 3045 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 3046 { Declaration v; | |
| 3047 Initializer init = null; | |
| 3048 | |
| 3049 if (token.value == TOK.TOKassign) | |
| 3050 { | |
| 3051 nextToken(); | |
| 3052 init = parseInitializer(); | |
| 3053 } | |
| 3054 if (tok == TOK.TOKtypedef) | |
| 3055 v = new TypedefDeclaration(loc, ident, t, init); | |
| 3056 else | |
| 3057 { if (init) | |
| 3058 error("alias cannot have initializer"); | |
| 3059 v = new AliasDeclaration(loc, ident, t); | |
| 3060 } | |
| 3061 v.storage_class = storage_class; | |
| 3062 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
|
3063 a.push(v); |
| 0 | 3064 else |
| 3065 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3066 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
|
3067 ax.push(v); |
| 0 | 3068 Dsymbol s = new LinkDeclaration(link, ax); |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3069 a.push(s); |
| 0 | 3070 } |
| 3071 switch (token.value) | |
| 3072 { case TOK.TOKsemicolon: | |
| 3073 nextToken(); | |
| 3074 addComment(v, comment); | |
| 3075 break; | |
| 3076 | |
| 3077 case TOK.TOKcomma: | |
| 3078 nextToken(); | |
| 3079 addComment(v, comment); | |
| 3080 continue; | |
| 3081 | |
| 3082 default: | |
| 3083 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 3084 break; | |
| 3085 } | |
| 3086 } | |
| 3087 else if (t.ty == TY.Tfunction) | |
| 3088 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3089 auto tf = cast(TypeFunction)t; |
| 0 | 3090 Expression constraint = null; |
| 3091 static if (false) { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
3092 if (Parameter.isTPL(tf.parameters)) |
| 0 | 3093 { |
| 3094 if (!tpl) | |
| 3095 tpl = new TemplateParameters(); | |
| 3096 } | |
| 3097 } | |
| 3098 FuncDeclaration f = | |
| 3099 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 3100 addComment(f, comment); | |
| 3101 if (tpl) | |
| 3102 constraint = parseConstraint(); | |
| 3103 parseContracts(f); | |
| 3104 addComment(f, null); | |
| 3105 Dsymbol s; | |
| 3106 if (link == linkage) | |
| 3107 { | |
| 3108 s = f; | |
| 3109 } | |
| 3110 else | |
| 3111 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3112 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
|
3113 ax.push(f); |
| 0 | 3114 s = new LinkDeclaration(link, ax); |
| 3115 } | |
| 3116 /* A template parameter list means it's a function template | |
| 3117 */ | |
| 3118 if (tpl) | |
| 3119 { | |
| 3120 // 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
|
3121 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
|
3122 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3123 auto tempdecl = |
| 0 | 3124 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 3125 s = tempdecl; | |
| 3126 } | |
| 3127 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
|
3128 a.push(s); |
| 0 | 3129 } |
| 3130 else | |
| 3131 { | |
| 3132 Initializer init = null; | |
| 3133 if (token.value == TOK.TOKassign) | |
| 3134 { | |
| 3135 nextToken(); | |
| 3136 init = parseInitializer(); | |
| 3137 } | |
| 3138 | |
| 3139 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 3140 v.storage_class = storage_class; | |
| 3141 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
|
3142 a.push(v); |
| 0 | 3143 else |
| 3144 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3145 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
|
3146 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3147 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
|
3148 a.push(s); |
| 0 | 3149 } |
| 3150 switch (token.value) | |
| 3151 { case TOK.TOKsemicolon: | |
| 3152 nextToken(); | |
| 3153 addComment(v, comment); | |
| 3154 break; | |
| 3155 | |
| 3156 case TOK.TOKcomma: | |
| 3157 nextToken(); | |
| 3158 addComment(v, comment); | |
| 3159 continue; | |
| 3160 | |
| 3161 default: | |
| 3162 error("semicolon expected, not '%s'", token.toChars()); | |
| 3163 break; | |
| 3164 } | |
| 3165 } | |
| 3166 break; | |
| 3167 } | |
| 3168 return a; | |
| 3169 } | |
| 3170 | |
| 3171 void parseContracts(FuncDeclaration f) | |
| 3172 { | |
| 3173 LINK linksave = linkage; | |
| 3174 | |
| 3175 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3176 // TypeFunction.semantic | |
| 3177 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3178 L1: | |
| 3179 switch (token.value) | |
| 3180 { | |
| 3181 case TOK.TOKlcurly: | |
| 3182 if (f.frequire || f.fensure) | |
| 3183 error("missing body { ... } after in or out"); | |
| 3184 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3185 f.endloc = endloc; | |
| 3186 break; | |
| 3187 | |
| 3188 case TOK.TOKbody: | |
| 3189 nextToken(); | |
| 3190 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3191 f.endloc = endloc; | |
| 3192 break; | |
| 3193 | |
| 3194 case TOK.TOKsemicolon: | |
| 3195 if (f.frequire || f.fensure) | |
| 3196 error("missing body { ... } after in or out"); | |
| 3197 nextToken(); | |
| 3198 break; | |
| 3199 | |
| 3200 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3201 // int x, y, foo(), z; | |
| 3202 case TOK.TOKcomma: | |
| 3203 nextToken(); | |
| 3204 continue; | |
| 3205 } | |
| 3206 | |
| 3207 static if (false) { // Dumped feature | |
| 3208 case TOK.TOKthrow: | |
| 3209 if (!f.fthrows) | |
| 3210 f.fthrows = new Array(); | |
| 3211 nextToken(); | |
| 3212 check(TOK.TOKlparen); | |
| 3213 while (1) | |
| 3214 { | |
|
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3215 Type tb = parseBasicType(); |
| 0 | 3216 f.fthrows.push(tb); |
| 3217 if (token.value == TOK.TOKcomma) | |
| 3218 { nextToken(); | |
| 3219 continue; | |
| 3220 } | |
| 3221 break; | |
| 3222 } | |
| 3223 check(TOK.TOKrparen); | |
| 3224 goto L1; | |
| 3225 } | |
| 3226 | |
| 3227 case TOK.TOKin: | |
| 3228 nextToken(); | |
| 3229 if (f.frequire) | |
| 3230 error("redundant 'in' statement"); | |
| 3231 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3232 goto L1; | |
| 3233 | |
| 3234 case TOK.TOKout: | |
| 3235 // parse: out (identifier) { statement } | |
| 3236 nextToken(); | |
| 3237 if (token.value != TOK.TOKlcurly) | |
| 3238 { | |
| 3239 check(TOK.TOKlparen); | |
| 3240 if (token.value != TOK.TOKidentifier) | |
| 3241 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3242 f.outId = token.ident; | |
| 3243 nextToken(); | |
| 3244 check(TOK.TOKrparen); | |
| 3245 } | |
| 3246 if (f.fensure) | |
| 3247 error("redundant 'out' statement"); | |
| 3248 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3249 goto L1; | |
| 3250 | |
| 3251 default: | |
| 3252 error("semicolon expected following function declaration"); | |
| 3253 break; | |
| 3254 } | |
| 3255 linkage = linksave; | |
| 3256 } | |
| 3257 | |
| 3258 Statement parseStatement(ParseStatementFlags flags) | |
| 3259 { | |
| 3260 Statement s; | |
| 3261 Token* t; | |
| 3262 Condition condition; | |
| 3263 Statement ifbody; | |
| 3264 Statement elsebody; | |
| 3265 bool isfinal; | |
| 3266 Loc loc = this.loc; | |
| 3267 | |
| 3268 //printf("parseStatement()\n"); | |
| 3269 | |
| 3270 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3271 error("statement expected to be { }, not %s", token.toChars()); | |
| 3272 | |
| 3273 switch (token.value) | |
| 3274 { | |
| 3275 case TOK.TOKidentifier: | |
| 3276 /* A leading identifier can be a declaration, label, or expression. | |
| 3277 * The easiest case to check first is label: | |
| 3278 */ | |
| 3279 t = peek(&token); | |
| 3280 if (t.value == TOK.TOKcolon) | |
| 3281 { // It's a label | |
| 3282 | |
| 3283 Identifier ident = token.ident; | |
| 3284 nextToken(); | |
| 3285 nextToken(); | |
| 3286 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3287 s = new LabelStatement(loc, ident, s); | |
| 3288 break; | |
| 3289 } | |
| 3290 // fallthrough to TOK.TOKdot | |
| 3291 case TOK.TOKdot: | |
| 3292 case TOK.TOKtypeof: | |
| 3293 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3294 goto Ldeclaration; | |
| 3295 else | |
| 3296 goto Lexp; | |
| 3297 break; | |
| 3298 | |
| 3299 case TOK.TOKassert: | |
| 3300 case TOK.TOKthis: | |
| 3301 case TOK.TOKsuper: | |
| 3302 case TOK.TOKint32v: | |
| 3303 case TOK.TOKuns32v: | |
| 3304 case TOK.TOKint64v: | |
| 3305 case TOK.TOKuns64v: | |
| 3306 case TOK.TOKfloat32v: | |
| 3307 case TOK.TOKfloat64v: | |
| 3308 case TOK.TOKfloat80v: | |
| 3309 case TOK.TOKimaginary32v: | |
| 3310 case TOK.TOKimaginary64v: | |
| 3311 case TOK.TOKimaginary80v: | |
| 3312 case TOK.TOKcharv: | |
| 3313 case TOK.TOKwcharv: | |
| 3314 case TOK.TOKdcharv: | |
| 3315 case TOK.TOKnull: | |
| 3316 case TOK.TOKtrue: | |
| 3317 case TOK.TOKfalse: | |
| 3318 case TOK.TOKstring: | |
| 3319 case TOK.TOKlparen: | |
| 3320 case TOK.TOKcast: | |
| 3321 case TOK.TOKmul: | |
| 3322 case TOK.TOKmin: | |
| 3323 case TOK.TOKadd: | |
| 3324 case TOK.TOKplusplus: | |
| 3325 case TOK.TOKminusminus: | |
| 3326 case TOK.TOKnew: | |
| 3327 case TOK.TOKdelete: | |
| 3328 case TOK.TOKdelegate: | |
| 3329 case TOK.TOKfunction: | |
| 3330 case TOK.TOKtypeid: | |
| 3331 case TOK.TOKis: | |
| 3332 case TOK.TOKlbracket: | |
| 3333 version (DMDV2) { | |
| 3334 case TOK.TOKtraits: | |
| 3335 case TOK.TOKfile: | |
| 3336 case TOK.TOKline: | |
| 3337 } | |
| 3338 Lexp: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3339 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3340 auto exp = parseExpression(); |
| 0 | 3341 check(TOK.TOKsemicolon, "statement"); |
| 3342 s = new ExpStatement(loc, exp); | |
| 3343 break; | |
| 3344 } | |
| 3345 | |
| 3346 case TOK.TOKstatic: | |
| 3347 { // Look ahead to see if it's static assert() or static if() | |
| 3348 Token *tt; | |
| 3349 | |
| 3350 tt = peek(&token); | |
| 3351 if (tt.value == TOK.TOKassert) | |
| 3352 { | |
| 3353 nextToken(); | |
| 3354 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3355 break; | |
| 3356 } | |
| 3357 if (tt.value == TOK.TOKif) | |
| 3358 { | |
| 3359 nextToken(); | |
| 3360 condition = parseStaticIfCondition(); | |
| 3361 goto Lcondition; | |
| 3362 } | |
|
132
c494af1dba80
Fixes for dmd 2.037
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
131
diff
changeset
|
3363 if (tt.value == TOK.TOKstruct || tt.value == TOK.TOKunion || tt.value == TOK.TOKclass) |
|
130
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3364 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3365 nextToken(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3366 auto a = parseBlock(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3367 Dsymbol d = new StorageClassDeclaration(STCstatic, a); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3368 s = new DeclarationStatement(loc, d); |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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130
diff
changeset
|
3369 if (flags & ParseStatementFlags.PSscope) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3370 s = new ScopeStatement(loc, s); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3371 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
3372 } |
| 0 | 3373 goto Ldeclaration; |
| 3374 } | |
| 3375 | |
| 3376 case TOK.TOKfinal: | |
| 3377 if (peekNext() == TOK.TOKswitch) | |
| 3378 { | |
| 3379 nextToken(); | |
| 3380 isfinal = true; | |
| 3381 goto Lswitch; | |
| 3382 } | |
| 3383 goto Ldeclaration; | |
| 3384 | |
| 3385 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3386 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3387 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3388 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3389 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3390 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3391 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3392 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3393 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3394 case TOK.TOKvoid: | |
| 3395 case TOK.TOKtypedef: | |
| 3396 case TOK.TOKalias: | |
| 3397 case TOK.TOKconst: | |
| 3398 case TOK.TOKauto: | |
| 3399 case TOK.TOKextern: | |
| 3400 case TOK.TOKinvariant: | |
| 3401 version (DMDV2) { | |
| 3402 case TOK.TOKimmutable: | |
| 3403 case TOK.TOKshared: | |
| 135 | 3404 case TOKwild: |
| 0 | 3405 case TOK.TOKnothrow: |
| 3406 case TOK.TOKpure: | |
| 3407 case TOK.TOKtls: | |
| 3408 case TOK.TOKgshared: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3409 case TOK.TOKat: |
| 0 | 3410 } |
| 3411 // case TOK.TOKtypeof: | |
| 3412 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3413 { Dsymbols a; |
| 0 | 3414 |
| 3415 a = parseDeclarations(STC.STCundefined); | |
| 3416 if (a.dim > 1) | |
| 3417 { | |
| 3418 Statements as = new Statements(); | |
| 3419 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3420 foreach(Dsymbol d; a) |
| 0 | 3421 { |
| 3422 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3423 as.push(s); |
| 0 | 3424 } |
| 3425 s = new CompoundDeclarationStatement(loc, as); | |
| 3426 } | |
| 3427 else if (a.dim == 1) | |
| 3428 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3429 auto d = a[0]; |
| 0 | 3430 s = new DeclarationStatement(loc, d); |
| 3431 } | |
| 3432 else | |
| 3433 assert(0); | |
| 3434 if (flags & ParseStatementFlags.PSscope) | |
| 3435 s = new ScopeStatement(loc, s); | |
| 3436 break; | |
| 3437 } | |
| 3438 | |
| 3439 case TOK.TOKstruct: | |
| 3440 case TOK.TOKunion: | |
| 3441 case TOK.TOKclass: | |
| 3442 case TOK.TOKinterface: | |
| 3443 { Dsymbol d; | |
| 3444 | |
| 3445 d = parseAggregate(); | |
| 3446 s = new DeclarationStatement(loc, d); | |
| 3447 break; | |
| 3448 } | |
| 3449 | |
| 3450 case TOK.TOKenum: | |
| 3451 { /* Determine if this is a manifest constant declaration, | |
| 3452 * or a conventional enum. | |
| 3453 */ | |
| 3454 Dsymbol d; | |
| 3455 Token* tt = peek(&token); | |
| 3456 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3457 d = parseEnum(); | |
| 3458 else if (tt.value != TOK.TOKidentifier) | |
| 3459 goto Ldeclaration; | |
| 3460 else | |
| 3461 { | |
| 3462 tt = peek(tt); | |
| 3463 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3464 tt.value == TOK.TOKsemicolon) | |
| 3465 d = parseEnum(); | |
| 3466 else | |
| 3467 goto Ldeclaration; | |
| 3468 } | |
| 3469 s = new DeclarationStatement(loc, d); | |
| 3470 break; | |
| 3471 } | |
| 3472 | |
| 3473 case TOK.TOKmixin: | |
| 3474 { t = peek(&token); | |
| 3475 if (t.value == TOK.TOKlparen) | |
| 3476 { // mixin(string) | |
| 3477 nextToken(); | |
| 3478 check(TOK.TOKlparen, "mixin"); | |
| 3479 Expression e = parseAssignExp(); | |
| 3480 check(TOK.TOKrparen); | |
| 3481 check(TOK.TOKsemicolon); | |
| 3482 s = new CompileStatement(loc, e); | |
| 3483 break; | |
| 3484 } | |
| 3485 Dsymbol d = parseMixin(); | |
| 3486 s = new DeclarationStatement(loc, d); | |
| 3487 break; | |
| 3488 } | |
| 3489 | |
| 3490 case TOK.TOKlcurly: | |
| 79 | 3491 { |
| 3492 nextToken(); | |
| 3493 Statements statements = new Statements(); | |
| 3494 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3495 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3496 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3497 } |
| 3498 endloc = this.loc; | |
| 3499 s = new CompoundStatement(loc, statements); | |
| 3500 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3501 s = new ScopeStatement(loc, s); | |
| 3502 nextToken(); | |
| 3503 break; | |
| 3504 } | |
| 3505 | |
| 3506 case TOK.TOKwhile: | |
| 3507 { Expression condition2; | |
| 3508 Statement body_; | |
| 3509 | |
| 3510 nextToken(); | |
| 3511 check(TOK.TOKlparen); | |
| 3512 condition2 = parseExpression(); | |
| 3513 check(TOK.TOKrparen); | |
| 3514 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3515 s = new WhileStatement(loc, condition2, body_); | |
| 3516 break; | |
| 3517 } | |
| 3518 | |
| 3519 case TOK.TOKsemicolon: | |
| 3520 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3521 error("use '{ }' for an empty statement, not a ';'"); | |
| 3522 nextToken(); | |
| 3523 s = new ExpStatement(loc, null); | |
| 3524 break; | |
| 3525 | |
| 3526 case TOK.TOKdo: | |
| 3527 { Statement body_; | |
| 3528 Expression condition2; | |
| 3529 | |
| 3530 nextToken(); | |
| 3531 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3532 check(TOK.TOKwhile); | |
| 3533 check(TOK.TOKlparen); | |
| 3534 condition2 = parseExpression(); | |
| 3535 check(TOK.TOKrparen); | |
| 3536 s = new DoStatement(loc, body_, condition2); | |
| 3537 break; | |
| 3538 } | |
| 3539 | |
| 3540 case TOK.TOKfor: | |
| 3541 { | |
| 3542 Statement init; | |
| 3543 Expression condition2; | |
| 3544 Expression increment; | |
| 3545 Statement body_; | |
| 3546 | |
| 3547 nextToken(); | |
| 3548 check(TOK.TOKlparen); | |
| 3549 if (token.value == TOK.TOKsemicolon) | |
| 3550 { init = null; | |
| 3551 nextToken(); | |
| 3552 } | |
| 3553 else | |
| 3554 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3555 } | |
| 3556 if (token.value == TOK.TOKsemicolon) | |
| 3557 { | |
| 3558 condition2 = null; | |
| 3559 nextToken(); | |
| 3560 } | |
| 3561 else | |
| 3562 { | |
| 3563 condition2 = parseExpression(); | |
| 3564 check(TOK.TOKsemicolon, "for condition"); | |
| 3565 } | |
| 3566 if (token.value == TOK.TOKrparen) | |
| 3567 { increment = null; | |
| 3568 nextToken(); | |
| 3569 } | |
| 3570 else | |
| 3571 { increment = parseExpression(); | |
| 3572 check(TOK.TOKrparen); | |
| 3573 } | |
| 3574 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3575 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3576 if (init) | |
| 3577 s = new ScopeStatement(loc, s); | |
| 3578 break; | |
| 3579 } | |
| 3580 | |
| 3581 case TOK.TOKforeach: | |
| 3582 case TOK.TOKforeach_reverse: | |
| 3583 { | |
| 3584 TOK op = token.value; | |
| 3585 | |
| 3586 nextToken(); | |
| 3587 check(TOK.TOKlparen); | |
| 3588 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3589 auto arguments = new Parameters(); |
| 0 | 3590 |
| 3591 while (1) | |
| 3592 { | |
| 3593 Identifier ai = null; | |
| 3594 Type at; | |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
3595 StorageClass storageClass = STC.STCundefined; |
| 0 | 3596 |
| 135 | 3597 if (token.value == TOKref |
| 3598 //#if D1INOUT | |
| 3599 // || token.value == TOKinout | |
| 3600 //#endif | |
| 3601 ) | |
| 0 | 3602 { storageClass = STC.STCref; |
| 3603 nextToken(); | |
| 3604 } | |
| 3605 if (token.value == TOK.TOKidentifier) | |
| 3606 { | |
| 3607 Token *tt = peek(&token); | |
| 3608 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3609 { ai = token.ident; | |
| 3610 at = null; // infer argument type | |
| 3611 nextToken(); | |
| 3612 goto Larg; | |
| 3613 } | |
| 3614 } | |
| 3615 at = parseType(&ai); | |
| 3616 if (!ai) | |
| 3617 error("no identifier for declarator %s", at.toChars()); | |
| 3618 Larg: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3619 auto a = new Parameter(storageClass, at, ai, null); |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3620 arguments.push(a); |
| 0 | 3621 if (token.value == TOK.TOKcomma) |
| 3622 { nextToken(); | |
| 3623 continue; | |
| 3624 } | |
| 3625 break; | |
| 3626 } | |
| 3627 check(TOK.TOKsemicolon); | |
| 3628 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3629 Expression aggr = parseExpression(); |
| 0 | 3630 if (token.value == TOK.TOKslice && arguments.dim == 1) |
| 3631 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3632 auto a = arguments[0]; |
| 0 | 3633 delete arguments; |
| 3634 nextToken(); | |
| 3635 Expression upr = parseExpression(); | |
| 3636 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3637 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3638 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); |
| 3639 } | |
| 3640 else | |
| 3641 { | |
| 3642 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3643 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3644 s = new ForeachStatement(loc, op, arguments, aggr, body_); |
| 3645 } | |
| 3646 break; | |
| 3647 } | |
| 3648 | |
| 3649 case TOK.TOKif: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3650 { Parameter arg = null; |
| 0 | 3651 Expression condition2; |
| 3652 Statement ifbody2; | |
| 3653 Statement elsebody2; | |
| 3654 | |
| 3655 nextToken(); | |
| 3656 check(TOK.TOKlparen); | |
| 3657 | |
| 3658 if (token.value == TOK.TOKauto) | |
| 3659 { | |
| 3660 nextToken(); | |
| 3661 if (token.value == TOK.TOKidentifier) | |
| 3662 { | |
| 3663 Token *tt = peek(&token); | |
| 3664 if (tt.value == TOK.TOKassign) | |
| 3665 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3666 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3667 nextToken(); |
| 3668 nextToken(); | |
| 3669 } | |
| 3670 else | |
| 3671 { error("= expected following auto identifier"); | |
| 3672 goto Lerror; | |
| 3673 } | |
| 3674 } | |
| 3675 else | |
| 3676 { error("identifier expected following auto"); | |
| 3677 goto Lerror; | |
| 3678 } | |
| 3679 } | |
| 3680 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3681 { | |
| 3682 Type at; | |
| 3683 Identifier ai; | |
| 3684 | |
| 3685 at = parseType(&ai); | |
| 3686 check(TOK.TOKassign); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3687 arg = new Parameter(STC.STCundefined, at, ai, null); |
| 0 | 3688 } |
| 3689 | |
| 3690 // Check for " ident;" | |
| 3691 else if (token.value == TOK.TOKidentifier) | |
| 3692 { | |
| 3693 Token *tt = peek(&token); | |
| 3694 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3695 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3696 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3697 nextToken(); |
| 3698 nextToken(); | |
| 3699 if (1 || !global.params.useDeprecated) | |
| 3700 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3701 } | |
| 3702 } | |
| 3703 | |
| 3704 condition2 = parseExpression(); | |
| 3705 check(TOK.TOKrparen); | |
| 3706 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3707 if (token.value == TOK.TOKelse) | |
| 3708 { | |
| 3709 nextToken(); | |
| 3710 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3711 } | |
| 3712 else | |
| 3713 elsebody2 = null; | |
| 3714 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3715 break; | |
| 3716 } | |
| 3717 | |
| 3718 case TOK.TOKscope: | |
| 3719 if (peek(&token).value != TOK.TOKlparen) | |
| 3720 goto Ldeclaration; // scope used as storage class | |
| 3721 nextToken(); | |
| 3722 check(TOK.TOKlparen); | |
| 3723 if (token.value != TOK.TOKidentifier) | |
| 3724 { error("scope identifier expected"); | |
| 3725 goto Lerror; | |
| 3726 } | |
| 3727 else | |
| 3728 { TOK tt = TOK.TOKon_scope_exit; | |
| 3729 Identifier id = token.ident; | |
| 3730 | |
| 3731 if (id == Id.exit) | |
| 3732 tt = TOK.TOKon_scope_exit; | |
| 3733 else if (id == Id.failure) | |
| 3734 tt = TOK.TOKon_scope_failure; | |
| 3735 else if (id == Id.success) | |
| 3736 tt = TOK.TOKon_scope_success; | |
| 3737 else | |
| 3738 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3739 nextToken(); | |
| 3740 check(TOK.TOKrparen); | |
| 3741 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3742 s = new OnScopeStatement(loc, tt, st); | |
| 3743 break; | |
| 3744 } | |
| 3745 | |
| 3746 case TOK.TOKdebug: | |
| 3747 nextToken(); | |
| 3748 condition = parseDebugCondition(); | |
| 3749 goto Lcondition; | |
| 3750 | |
| 3751 case TOK.TOKversion: | |
| 3752 nextToken(); | |
| 3753 condition = parseVersionCondition(); | |
| 3754 goto Lcondition; | |
| 3755 | |
| 3756 Lcondition: | |
| 3757 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3758 elsebody = null; | |
| 3759 if (token.value == TOK.TOKelse) | |
| 3760 { | |
| 3761 nextToken(); | |
| 3762 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3763 } | |
| 3764 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3765 break; | |
| 3766 | |
| 3767 case TOK.TOKpragma: | |
| 3768 { Identifier ident; | |
| 3769 Expressions args = null; | |
| 3770 Statement body_; | |
| 3771 | |
| 3772 nextToken(); | |
| 3773 check(TOK.TOKlparen); | |
| 3774 if (token.value != TOK.TOKidentifier) | |
| 3775 { error("pragma(identifier expected"); | |
| 3776 goto Lerror; | |
| 3777 } | |
| 3778 ident = token.ident; | |
| 3779 nextToken(); | |
| 3780 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3781 args = parseArguments(); // pragma(identifier, args...); | |
| 3782 else | |
| 3783 check(TOK.TOKrparen); // pragma(identifier); | |
| 3784 if (token.value == TOK.TOKsemicolon) | |
| 3785 { nextToken(); | |
| 3786 body_ = null; | |
| 3787 } | |
| 3788 else | |
| 3789 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3790 s = new PragmaStatement(loc, ident, args, body_); | |
| 3791 break; | |
| 3792 } | |
| 3793 | |
| 3794 case TOK.TOKswitch: | |
| 3795 isfinal = false; | |
| 3796 goto Lswitch; | |
| 3797 | |
| 3798 Lswitch: | |
| 3799 { | |
| 3800 nextToken(); | |
| 3801 check(TOK.TOKlparen); | |
| 3802 Expression condition2 = parseExpression(); | |
| 3803 check(TOK.TOKrparen); | |
| 3804 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3805 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3806 break; | |
| 3807 } | |
| 3808 | |
| 3809 case TOK.TOKcase: | |
| 3810 { Expression exp; | |
| 3811 Statements statements; | |
|
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changeset
|
3812 scope cases = new Expressions(); // array of Expression's |
| 0 | 3813 Expression last = null; |
| 3814 | |
| 3815 while (1) | |
| 3816 { | |
| 3817 nextToken(); | |
| 3818 exp = parseAssignExp(); | |
|
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changeset
|
3819 cases.push(exp); |
| 0 | 3820 if (token.value != TOK.TOKcomma) |
| 3821 break; | |
| 3822 } | |
| 3823 check(TOK.TOKcolon); | |
| 3824 | |
| 3825 version (DMDV2) { | |
| 3826 /* case exp: .. case last: | |
| 3827 */ | |
| 3828 if (token.value == TOK.TOKslice) | |
| 3829 { | |
| 3830 if (cases.dim > 1) | |
| 3831 error("only one case allowed for start of case range"); | |
| 3832 nextToken(); | |
| 3833 check(TOK.TOKcase); | |
| 3834 last = parseAssignExp(); | |
| 3835 check(TOK.TOKcolon); | |
| 3836 } | |
| 3837 } | |
| 3838 | |
| 3839 statements = new Statements(); | |
| 3840 while (token.value != TOK.TOKcase && | |
| 3841 token.value != TOK.TOKdefault && | |
| 79 | 3842 token.value != TOKeof && |
| 0 | 3843 token.value != TOK.TOKrcurly) |
| 3844 { | |
|
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parents:
121
diff
changeset
|
3845 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3846 } |
| 3847 s = new CompoundStatement(loc, statements); | |
| 3848 s = new ScopeStatement(loc, s); | |
| 3849 | |
| 3850 ///version (DMDV2) { | |
| 3851 if (last) | |
| 3852 { | |
| 3853 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3854 } | |
| 3855 else | |
| 3856 ///} | |
| 3857 { | |
| 3858 // Keep cases in order by building the case statements backwards | |
| 3859 for (int i = cases.dim; i; i--) | |
| 3860 { | |
|
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changeset
|
3861 exp = cases[i - 1]; |
| 0 | 3862 s = new CaseStatement(loc, exp, s); |
| 3863 } | |
| 3864 } | |
| 3865 break; | |
| 3866 } | |
| 3867 | |
| 3868 case TOK.TOKdefault: | |
| 3869 { | |
| 3870 Statements statements; | |
| 3871 | |
| 3872 nextToken(); | |
| 3873 check(TOK.TOKcolon); | |
| 3874 | |
| 3875 statements = new Statements(); | |
| 3876 while (token.value != TOK.TOKcase && | |
| 3877 token.value != TOK.TOKdefault && | |
| 79 | 3878 token.value != TOKeof && |
| 0 | 3879 token.value != TOK.TOKrcurly) |
| 3880 { | |
|
122
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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121
diff
changeset
|
3881 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3882 } |
| 3883 s = new CompoundStatement(loc, statements); | |
| 3884 s = new ScopeStatement(loc, s); | |
| 3885 s = new DefaultStatement(loc, s); | |
| 3886 break; | |
| 3887 } | |
| 3888 | |
| 3889 case TOK.TOKreturn: | |
| 3890 { Expression exp; | |
| 3891 | |
| 3892 nextToken(); | |
| 3893 if (token.value == TOK.TOKsemicolon) | |
| 3894 exp = null; | |
| 3895 else | |
| 3896 exp = parseExpression(); | |
| 3897 check(TOK.TOKsemicolon, "return statement"); | |
| 3898 s = new ReturnStatement(loc, exp); | |
| 3899 break; | |
| 3900 } | |
| 3901 | |
| 3902 case TOK.TOKbreak: | |
| 3903 { Identifier ident; | |
| 3904 | |
| 3905 nextToken(); | |
| 3906 if (token.value == TOK.TOKidentifier) | |
| 3907 { ident = token.ident; | |
| 3908 nextToken(); | |
| 3909 } | |
| 3910 else | |
| 3911 ident = null; | |
| 3912 check(TOK.TOKsemicolon, "break statement"); | |
| 3913 s = new BreakStatement(loc, ident); | |
| 3914 break; | |
| 3915 } | |
| 3916 | |
| 3917 case TOK.TOKcontinue: | |
| 3918 { Identifier ident; | |
| 3919 | |
| 3920 nextToken(); | |
| 3921 if (token.value == TOK.TOKidentifier) | |
| 3922 { ident = token.ident; | |
| 3923 nextToken(); | |
| 3924 } | |
| 3925 else | |
| 3926 ident = null; | |
| 3927 check(TOK.TOKsemicolon, "continue statement"); | |
| 3928 s = new ContinueStatement(loc, ident); | |
| 3929 break; | |
| 3930 } | |
| 3931 | |
| 3932 case TOK.TOKgoto: | |
| 3933 { Identifier ident; | |
| 3934 | |
| 3935 nextToken(); | |
| 3936 if (token.value == TOK.TOKdefault) | |
| 3937 { | |
| 3938 nextToken(); | |
| 3939 s = new GotoDefaultStatement(loc); | |
| 3940 } | |
| 3941 else if (token.value == TOK.TOKcase) | |
| 3942 { | |
| 3943 Expression exp = null; | |
| 3944 | |
| 3945 nextToken(); | |
| 3946 if (token.value != TOK.TOKsemicolon) | |
| 3947 exp = parseExpression(); | |
| 3948 s = new GotoCaseStatement(loc, exp); | |
| 3949 } | |
| 3950 else | |
| 3951 { | |
| 3952 if (token.value != TOK.TOKidentifier) | |
| 3953 { error("Identifier expected following goto"); | |
| 3954 ident = null; | |
| 3955 } | |
| 3956 else | |
| 3957 { ident = token.ident; | |
| 3958 nextToken(); | |
| 3959 } | |
| 3960 s = new GotoStatement(loc, ident); | |
| 3961 } | |
| 3962 check(TOK.TOKsemicolon, "goto statement"); | |
| 3963 break; | |
| 3964 } | |
| 3965 | |
| 3966 case TOK.TOKsynchronized: | |
| 3967 { Expression exp; | |
| 3968 Statement body_; | |
| 3969 | |
| 3970 nextToken(); | |
| 3971 if (token.value == TOK.TOKlparen) | |
| 3972 { | |
| 3973 nextToken(); | |
| 3974 exp = parseExpression(); | |
| 3975 check(TOK.TOKrparen); | |
| 3976 } | |
| 3977 else | |
| 3978 exp = null; | |
| 3979 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3980 s = new SynchronizedStatement(loc, exp, body_); | |
| 3981 break; | |
| 3982 } | |
| 3983 | |
| 3984 case TOK.TOKwith: | |
| 3985 { Expression exp; | |
| 3986 Statement body_; | |
| 3987 | |
| 3988 nextToken(); | |
| 3989 check(TOK.TOKlparen); | |
| 3990 exp = parseExpression(); | |
| 3991 check(TOK.TOKrparen); | |
| 3992 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3993 s = new WithStatement(loc, exp, body_); | |
| 3994 break; | |
| 3995 } | |
| 3996 | |
| 3997 case TOK.TOKtry: | |
| 3998 { Statement body_; | |
| 3999 Array catches = null; | |
| 4000 Statement finalbody = null; | |
| 4001 | |
| 4002 nextToken(); | |
| 4003 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 4004 while (token.value == TOK.TOKcatch) | |
| 4005 { | |
| 4006 Statement handler; | |
| 4007 Catch c; | |
| 4008 Type tt; | |
| 4009 Identifier id; | |
| 4010 Loc loc2 = this.loc; | |
| 4011 | |
| 4012 nextToken(); | |
| 4013 if (token.value == TOK.TOKlcurly) | |
| 4014 { | |
| 4015 tt = null; | |
| 4016 id = null; | |
| 4017 } | |
| 4018 else | |
| 4019 { | |
| 4020 check(TOK.TOKlparen); | |
| 4021 id = null; | |
| 4022 tt = parseType(&id); | |
| 4023 check(TOK.TOKrparen); | |
| 4024 } | |
| 4025 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 4026 c = new Catch(loc2, tt, id, handler); | |
| 4027 if (!catches) | |
| 4028 catches = new Array(); | |
| 4029 catches.push(cast(void*)c); | |
| 4030 } | |
| 4031 | |
| 4032 if (token.value == TOK.TOKfinally) | |
| 4033 { nextToken(); | |
| 4034 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 4035 } | |
| 4036 | |
| 4037 s = body_; | |
| 4038 if (!catches && !finalbody) | |
| 4039 error("catch or finally expected following try"); | |
| 4040 else | |
| 4041 { if (catches) | |
| 4042 s = new TryCatchStatement(loc, body_, catches); | |
| 4043 if (finalbody) | |
| 4044 s = new TryFinallyStatement(loc, s, finalbody); | |
| 4045 } | |
| 4046 break; | |
| 4047 } | |
| 4048 | |
| 4049 case TOK.TOKthrow: | |
| 4050 { Expression exp; | |
| 4051 | |
| 4052 nextToken(); | |
| 4053 exp = parseExpression(); | |
| 4054 check(TOK.TOKsemicolon, "throw statement"); | |
| 4055 s = new ThrowStatement(loc, exp); | |
| 4056 break; | |
| 4057 } | |
| 4058 | |
| 4059 case TOK.TOKvolatile: | |
| 4060 nextToken(); | |
| 4061 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 4062 version (DMDV2) { | |
| 4063 if (!global.params.useDeprecated) | |
| 4064 error("volatile statements deprecated; used synchronized statements instead"); | |
| 4065 } | |
| 4066 s = new VolatileStatement(loc, s); | |
| 4067 break; | |
| 4068 | |
| 4069 case TOK.TOKasm: | |
| 4070 { Statements statements; | |
| 4071 Identifier label; | |
| 4072 Loc labelloc; | |
| 4073 Token* toklist; | |
| 4074 Token** ptoklist; | |
| 4075 | |
| 4076 // Parse the asm block into a sequence of AsmStatements, | |
| 4077 // each AsmStatement is one instruction. | |
| 4078 // Separate out labels. | |
| 4079 // Defer parsing of AsmStatements until semantic processing. | |
| 4080 | |
| 4081 nextToken(); | |
| 4082 check(TOK.TOKlcurly); | |
| 4083 toklist = null; | |
| 4084 ptoklist = &toklist; | |
| 4085 label = null; | |
| 4086 statements = new Statements(); | |
| 4087 while (1) | |
| 4088 { | |
| 4089 switch (token.value) | |
| 4090 { | |
| 4091 case TOK.TOKidentifier: | |
| 4092 if (!toklist) | |
| 4093 { | |
| 4094 // Look ahead to see if it is a label | |
| 4095 t = peek(&token); | |
| 4096 if (t.value == TOK.TOKcolon) | |
| 4097 { // It's a label | |
| 4098 label = token.ident; | |
| 4099 labelloc = this.loc; | |
| 4100 nextToken(); | |
| 4101 nextToken(); | |
| 4102 continue; | |
| 4103 } | |
| 4104 } | |
| 4105 goto Ldefault; | |
| 4106 | |
| 4107 case TOK.TOKrcurly: | |
| 4108 if (toklist || label) | |
| 4109 { | |
| 4110 error("asm statements must end in ';'"); | |
| 4111 } | |
| 4112 break; | |
| 4113 | |
| 4114 case TOK.TOKsemicolon: | |
| 4115 s = null; | |
| 4116 if (toklist || label) | |
| 4117 { // Create AsmStatement from list of tokens we've saved | |
| 4118 s = new AsmStatement(this.loc, toklist); | |
| 4119 toklist = null; | |
| 4120 ptoklist = &toklist; | |
| 4121 if (label) | |
| 4122 { | |
| 4123 s = new LabelStatement(labelloc, label, s); | |
| 4124 label = null; | |
| 4125 } | |
|
122
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
4126 statements.push(s); |
| 0 | 4127 } |
| 4128 nextToken(); | |
| 4129 continue; | |
| 4130 | |
| 4131 case TOK.TOKeof: | |
| 4132 /* { */ | |
| 4133 error("matching '}' expected, not end of file"); | |
| 4134 break; | |
| 4135 | |
| 4136 default: | |
| 4137 Ldefault: | |
| 4138 *ptoklist = new Token(); | |
| 4139 memcpy(*ptoklist, &token, Token.sizeof); | |
| 4140 ptoklist = &(*ptoklist).next; | |
| 4141 *ptoklist = null; | |
| 4142 | |
| 4143 nextToken(); | |
| 4144 continue; | |
| 4145 } | |
| 4146 break; | |
| 4147 } | |
| 4148 s = new CompoundStatement(loc, statements); | |
| 4149 nextToken(); | |
| 4150 break; | |
| 4151 } | |
| 4152 | |
| 4153 default: | |
| 4154 error("found '%s' instead of statement", token.toChars()); | |
| 4155 goto Lerror; | |
| 4156 | |
| 4157 Lerror: | |
| 4158 while (token.value != TOK.TOKrcurly && | |
| 4159 token.value != TOK.TOKsemicolon && | |
| 4160 token.value != TOK.TOKeof) | |
| 4161 nextToken(); | |
| 4162 if (token.value == TOK.TOKsemicolon) | |
| 4163 nextToken(); | |
| 4164 s = null; | |
| 4165 break; | |
| 4166 } | |
| 4167 | |
| 4168 return s; | |
| 4169 } | |
| 4170 | |
| 4171 /***************************************** | |
| 4172 * Parse initializer for variable declaration. | |
| 4173 */ | |
| 4174 Initializer parseInitializer() | |
| 4175 { | |
| 4176 StructInitializer is_; | |
| 4177 ArrayInitializer ia; | |
| 4178 ExpInitializer ie; | |
| 4179 Expression e; | |
| 4180 Identifier id; | |
| 4181 Initializer value; | |
| 4182 int comma; | |
| 4183 Loc loc = this.loc; | |
| 4184 Token* t; | |
| 4185 int braces; | |
| 4186 int brackets; | |
| 4187 | |
| 4188 switch (token.value) | |
| 4189 { | |
| 4190 case TOK.TOKlcurly: | |
| 4191 /* Scan ahead to see if it is a struct initializer or | |
| 4192 * a function literal. | |
| 4193 * If it contains a ';', it is a function literal. | |
| 4194 * Treat { } as a struct initializer. | |
| 4195 */ | |
| 4196 braces = 1; | |
| 4197 for (t = peek(&token); 1; t = peek(t)) | |
| 4198 { | |
| 4199 switch (t.value) | |
| 4200 { | |
| 4201 case TOK.TOKsemicolon: | |
| 4202 case TOK.TOKreturn: | |
| 4203 goto Lexpression; | |
| 4204 | |
| 4205 case TOK.TOKlcurly: | |
| 4206 braces++; | |
| 4207 continue; | |
| 4208 | |
| 4209 case TOK.TOKrcurly: | |
| 4210 if (--braces == 0) | |
| 4211 break; | |
| 4212 continue; | |
| 4213 | |
| 4214 case TOK.TOKeof: | |
| 4215 break; | |
| 4216 | |
| 4217 default: | |
| 4218 continue; | |
| 4219 } | |
| 4220 break; | |
| 4221 } | |
| 4222 | |
| 4223 is_ = new StructInitializer(loc); | |
| 4224 nextToken(); | |
| 4225 comma = 0; | |
| 4226 while (1) | |
| 4227 { | |
| 4228 switch (token.value) | |
| 4229 { | |
| 4230 case TOK.TOKidentifier: | |
| 4231 if (comma == 1) | |
| 4232 error("comma expected separating field initializers"); | |
| 4233 t = peek(&token); | |
| 4234 if (t.value == TOK.TOKcolon) | |
| 4235 { | |
| 4236 id = token.ident; | |
| 4237 nextToken(); | |
| 4238 nextToken(); // skip over ':' | |
| 4239 } | |
| 4240 else | |
| 4241 { | |
| 4242 id = null; | |
| 4243 } | |
| 4244 value = parseInitializer(); | |
| 4245 is_.addInit(id, value); | |
| 4246 comma = 1; | |
| 4247 continue; | |
| 4248 | |
| 4249 case TOK.TOKcomma: | |
| 4250 nextToken(); | |
| 4251 comma = 2; | |
| 4252 continue; | |
| 4253 | |
| 4254 case TOK.TOKrcurly: // allow trailing comma's | |
| 4255 nextToken(); | |
| 4256 break; | |
| 4257 | |
| 4258 case TOK.TOKeof: | |
| 4259 error("found EOF instead of initializer"); | |
| 4260 break; | |
| 4261 | |
| 4262 default: | |
| 4263 value = parseInitializer(); | |
| 4264 is_.addInit(null, value); | |
| 4265 comma = 1; | |
| 4266 continue; | |
| 4267 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4268 //break; | |
| 4269 } | |
| 4270 break; | |
| 4271 } | |
| 4272 return is_; | |
| 4273 | |
| 4274 case TOK.TOKlbracket: | |
| 4275 /* Scan ahead to see if it is an array initializer or | |
| 4276 * an expression. | |
| 4277 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4278 */ | |
| 4279 brackets = 1; | |
| 4280 for (t = peek(&token); 1; t = peek(t)) | |
| 4281 { | |
| 4282 switch (t.value) | |
| 4283 { | |
| 4284 case TOK.TOKlbracket: | |
| 4285 brackets++; | |
| 4286 continue; | |
| 4287 | |
| 4288 case TOK.TOKrbracket: | |
| 4289 if (--brackets == 0) | |
| 4290 { | |
| 4291 t = peek(t); | |
| 4292 if (t.value != TOK.TOKsemicolon && | |
| 4293 t.value != TOK.TOKcomma && | |
| 4294 t.value != TOK.TOKrcurly) | |
| 4295 goto Lexpression; | |
| 4296 break; | |
| 4297 } | |
| 4298 continue; | |
| 4299 | |
| 4300 case TOK.TOKeof: | |
| 4301 break; | |
| 4302 | |
| 4303 default: | |
| 4304 continue; | |
| 4305 } | |
| 4306 break; | |
| 4307 } | |
| 4308 | |
| 4309 ia = new ArrayInitializer(loc); | |
| 4310 nextToken(); | |
| 4311 comma = 0; | |
| 4312 while (true) | |
| 4313 { | |
| 4314 switch (token.value) | |
| 4315 { | |
| 4316 default: | |
| 4317 if (comma == 1) | |
| 4318 { | |
| 4319 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4320 nextToken(); | |
| 4321 break; | |
| 4322 } | |
| 4323 e = parseAssignExp(); | |
| 4324 if (!e) | |
| 4325 break; | |
| 4326 if (token.value == TOK.TOKcolon) | |
| 4327 { | |
| 4328 nextToken(); | |
| 4329 value = parseInitializer(); | |
| 4330 } | |
| 4331 else | |
| 4332 { value = new ExpInitializer(e.loc, e); | |
| 4333 e = null; | |
| 4334 } | |
| 4335 ia.addInit(e, value); | |
| 4336 comma = 1; | |
| 4337 continue; | |
| 4338 | |
| 4339 case TOK.TOKlcurly: | |
| 4340 case TOK.TOKlbracket: | |
| 4341 if (comma == 1) | |
| 4342 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4343 value = parseInitializer(); | |
| 4344 ia.addInit(null, value); | |
| 4345 comma = 1; | |
| 4346 continue; | |
| 4347 | |
| 4348 case TOK.TOKcomma: | |
| 4349 nextToken(); | |
| 4350 comma = 2; | |
| 4351 continue; | |
| 4352 | |
| 4353 case TOK.TOKrbracket: // allow trailing comma's | |
| 4354 nextToken(); | |
| 4355 break; | |
| 4356 | |
| 4357 case TOK.TOKeof: | |
| 4358 error("found '%s' instead of array initializer", token.toChars()); | |
| 4359 break; | |
| 4360 } | |
| 4361 break; | |
| 4362 } | |
| 4363 return ia; | |
| 4364 | |
| 4365 case TOK.TOKvoid: | |
| 4366 t = peek(&token); | |
| 4367 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4368 { | |
| 4369 nextToken(); | |
| 4370 return new VoidInitializer(loc); | |
| 4371 } | |
| 4372 goto Lexpression; | |
| 4373 | |
| 4374 default: | |
| 4375 Lexpression: | |
| 4376 e = parseAssignExp(); | |
| 4377 ie = new ExpInitializer(loc, e); | |
| 4378 return ie; | |
| 4379 } | |
| 4380 } | |
| 4381 | |
| 4382 /***************************************** | |
| 4383 * Parses default argument initializer expression that is an assign expression, | |
| 4384 * with special handling for __FILE__ and __LINE__. | |
| 4385 */ | |
| 4386 version (DMDV2) { | |
| 4387 Expression parseDefaultInitExp() | |
| 4388 { | |
| 4389 if (token.value == TOK.TOKfile || | |
| 4390 token.value == TOK.TOKline) | |
| 4391 { | |
| 4392 Token* t = peek(&token); | |
| 4393 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4394 { | |
| 4395 Expression e; | |
| 4396 | |
| 4397 if (token.value == TOK.TOKfile) | |
| 4398 e = new FileInitExp(loc); | |
| 4399 else | |
| 4400 e = new LineInitExp(loc); | |
| 4401 nextToken(); | |
| 4402 return e; | |
| 4403 } | |
| 4404 } | |
| 4405 | |
| 4406 Expression e = parseAssignExp(); | |
| 4407 return e; | |
| 4408 } | |
| 4409 } | |
| 4410 void check(Loc loc, TOK value) | |
| 4411 { | |
| 4412 if (token.value != value) | |
| 4413 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4414 nextToken(); | |
| 4415 } | |
| 4416 | |
| 4417 void check(TOK value) | |
| 4418 { | |
| 4419 check(loc, value); | |
| 4420 } | |
| 4421 | |
| 4422 void check(TOK value, string string_) | |
| 4423 { | |
| 4424 if (token.value != value) { | |
| 4425 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4426 } | |
| 4427 nextToken(); | |
| 4428 } | |
| 4429 | |
| 4430 /************************************ | |
| 4431 * Determine if the scanner is sitting on the start of a declaration. | |
| 4432 * Input: | |
| 4433 * needId 0 no identifier | |
| 4434 * 1 identifier optional | |
| 4435 * 2 must have identifier | |
| 4436 * Output: | |
| 4437 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4438 */ | |
| 4439 | |
| 4440 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4441 { | |
| 4442 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4443 int haveId = 0; | |
| 4444 | |
| 4445 version (DMDV2) { | |
| 4446 if ((t.value == TOK.TOKconst || | |
| 4447 t.value == TOK.TOKinvariant || | |
| 4448 t.value == TOK.TOKimmutable || | |
| 135 | 4449 t.value == TOKwild || |
| 0 | 4450 t.value == TOK.TOKshared) && |
| 4451 peek(t).value != TOK.TOKlparen) | |
| 4452 { | |
| 4453 /* const type | |
| 4454 * immutable type | |
| 4455 * shared type | |
| 135 | 4456 * wild type |
| 0 | 4457 */ |
| 4458 t = peek(t); | |
| 4459 } | |
| 4460 } | |
| 4461 | |
| 4462 if (!isBasicType(&t)) | |
| 4463 { | |
| 4464 goto Lisnot; | |
| 4465 } | |
| 4466 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4467 goto Lisnot; | |
| 4468 if ( needId == 1 || | |
| 4469 (needId == 0 && !haveId) || | |
| 4470 (needId == 2 && haveId)) | |
| 4471 { | |
| 4472 if (pt) | |
| 4473 *pt = t; | |
| 4474 goto Lis; | |
| 4475 } | |
| 4476 else | |
| 4477 goto Lisnot; | |
| 4478 | |
| 4479 Lis: | |
| 4480 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4481 return true; | |
| 4482 | |
| 4483 Lisnot: | |
| 4484 //printf("\tis not declaration\n"); | |
| 4485 return false; | |
| 4486 } | |
| 4487 | |
| 4488 bool isBasicType(Token** pt) | |
| 4489 { | |
| 4490 // This code parallels parseBasicType() | |
| 4491 Token* t = *pt; | |
| 4492 Token* t2; | |
| 4493 int parens; | |
| 4494 int haveId = 0; | |
| 4495 | |
| 4496 switch (t.value) | |
| 4497 { | |
| 4498 case TOKwchar: | |
| 4499 case TOKdchar: | |
| 4500 case TOKbit: | |
| 4501 case TOKbool: | |
| 4502 case TOKchar: | |
| 4503 case TOKint8: | |
| 4504 case TOKuns8: | |
| 4505 case TOKint16: | |
| 4506 case TOKuns16: | |
| 4507 case TOKint32: | |
| 4508 case TOKuns32: | |
| 4509 case TOKint64: | |
| 4510 case TOKuns64: | |
| 4511 case TOKfloat32: | |
| 4512 case TOKfloat64: | |
| 4513 case TOKfloat80: | |
| 4514 case TOKimaginary32: | |
| 4515 case TOKimaginary64: | |
| 4516 case TOKimaginary80: | |
| 4517 case TOKcomplex32: | |
| 4518 case TOKcomplex64: | |
| 4519 case TOKcomplex80: | |
| 4520 case TOKvoid: | |
| 4521 t = peek(t); | |
| 4522 break; | |
| 4523 | |
| 4524 case TOK.TOKidentifier: | |
| 4525 L5: | |
| 4526 t = peek(t); | |
| 4527 if (t.value == TOK.TOKnot) | |
| 4528 { | |
| 4529 goto L4; | |
| 4530 } | |
| 4531 goto L3; | |
| 4532 while (1) | |
| 4533 { | |
| 4534 L2: | |
| 4535 t = peek(t); | |
| 4536 L3: | |
| 4537 if (t.value == TOK.TOKdot) | |
| 4538 { | |
| 4539 Ldot: | |
| 4540 t = peek(t); | |
| 4541 if (t.value != TOK.TOKidentifier) | |
| 4542 goto Lfalse; | |
| 4543 t = peek(t); | |
| 4544 if (t.value != TOK.TOKnot) | |
| 4545 goto L3; | |
| 4546 L4: | |
| 4547 /* Seen a ! | |
| 4548 * Look for: | |
| 4549 * !( args ), !identifier, etc. | |
| 4550 */ | |
| 4551 t = peek(t); | |
| 4552 switch (t.value) | |
| 4553 { case TOK.TOKidentifier: | |
| 4554 goto L5; | |
| 4555 case TOK.TOKlparen: | |
| 4556 if (!skipParens(t, &t)) | |
| 4557 goto Lfalse; | |
| 4558 break; | |
| 4559 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4560 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4561 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4562 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4563 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4564 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4565 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4566 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4567 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4568 case TOK.TOKvoid: | |
| 4569 case TOK.TOKint32v: | |
| 4570 case TOK.TOKuns32v: | |
| 4571 case TOK.TOKint64v: | |
| 4572 case TOK.TOKuns64v: | |
| 4573 case TOK.TOKfloat32v: | |
| 4574 case TOK.TOKfloat64v: | |
| 4575 case TOK.TOKfloat80v: | |
| 4576 case TOK.TOKimaginary32v: | |
| 4577 case TOK.TOKimaginary64v: | |
| 4578 case TOK.TOKimaginary80v: | |
| 4579 case TOK.TOKnull: | |
| 4580 case TOK.TOKtrue: | |
| 4581 case TOK.TOKfalse: | |
| 4582 case TOK.TOKcharv: | |
| 4583 case TOK.TOKwcharv: | |
| 4584 case TOK.TOKdcharv: | |
| 4585 case TOK.TOKstring: | |
| 4586 case TOK.TOKfile: | |
| 4587 case TOK.TOKline: | |
| 4588 goto L2; | |
| 4589 default: | |
| 4590 goto Lfalse; | |
| 4591 } | |
| 4592 } | |
| 4593 else | |
| 4594 break; | |
| 4595 } | |
| 4596 break; | |
| 4597 | |
| 4598 case TOK.TOKdot: | |
| 4599 goto Ldot; | |
| 4600 | |
| 4601 case TOK.TOKtypeof: | |
| 4602 /* typeof(exp).identifier... | |
| 4603 */ | |
| 4604 t = peek(t); | |
| 4605 if (t.value != TOK.TOKlparen) | |
| 4606 goto Lfalse; | |
| 4607 if (!skipParens(t, &t)) | |
| 4608 goto Lfalse; | |
| 4609 goto L2; | |
| 4610 | |
| 4611 case TOK.TOKconst: | |
| 4612 case TOK.TOKinvariant: | |
| 4613 case TOK.TOKimmutable: | |
| 4614 case TOK.TOKshared: | |
| 135 | 4615 case TOKwild: |
| 4616 // const(type) or immutable(type) or shared(type) or wild(type) | |
| 0 | 4617 t = peek(t); |
| 4618 if (t.value != TOK.TOKlparen) | |
| 4619 goto Lfalse; | |
| 4620 t = peek(t); | |
| 4621 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4622 { | |
| 4623 goto Lfalse; | |
| 4624 } | |
| 4625 t = peek(t); | |
| 4626 break; | |
| 4627 | |
| 4628 default: | |
| 4629 goto Lfalse; | |
| 4630 } | |
| 4631 *pt = t; | |
| 4632 //printf("is\n"); | |
| 4633 return true; | |
| 4634 | |
| 4635 Lfalse: | |
| 4636 //printf("is not\n"); | |
| 4637 return false; | |
| 4638 } | |
| 4639 | |
| 4640 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4641 { | |
| 4642 // This code parallels parseDeclarator() | |
| 4643 Token* t = *pt; | |
| 4644 bool parens; | |
| 4645 | |
| 4646 //printf("Parser.isDeclarator()\n"); | |
| 4647 //t.print(); | |
| 4648 if (t.value == TOK.TOKassign) | |
| 4649 return false; | |
| 4650 | |
| 4651 while (true) | |
| 4652 { | |
| 4653 parens = false; | |
| 4654 switch (t.value) | |
| 4655 { | |
| 4656 case TOK.TOKmul: | |
| 4657 //case TOKand: | |
| 4658 t = peek(t); | |
| 4659 continue; | |
| 4660 | |
| 4661 case TOK.TOKlbracket: | |
| 4662 t = peek(t); | |
| 4663 if (t.value == TOK.TOKrbracket) | |
| 4664 { | |
| 4665 t = peek(t); | |
| 4666 } | |
| 79 | 4667 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4668 { | |
| 4669 t = peek(t); | |
| 4670 t = peek(t); | |
| 4671 } | |
| 0 | 4672 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4673 { | |
| 4674 // It's an associative array declaration | |
| 4675 t = peek(t); | |
| 4676 } | |
| 4677 else | |
| 4678 { | |
| 4679 // [ expression ] | |
| 4680 // [ expression .. expression ] | |
| 4681 if (!isExpression(&t)) | |
| 4682 return false; | |
| 4683 if (t.value == TOK.TOKslice) | |
| 4684 { | |
| 4685 t = peek(t); | |
| 4686 if (!isExpression(&t)) | |
| 4687 return false; | |
| 4688 } | |
| 4689 if (t.value != TOK.TOKrbracket) | |
| 4690 return false; | |
| 4691 t = peek(t); | |
| 4692 } | |
| 4693 continue; | |
| 4694 | |
| 4695 case TOK.TOKidentifier: | |
| 4696 if (*haveId) | |
| 4697 return false; | |
| 4698 *haveId = true; | |
| 4699 t = peek(t); | |
| 4700 break; | |
| 4701 | |
| 4702 case TOK.TOKlparen: | |
| 4703 t = peek(t); | |
| 4704 | |
| 4705 if (t.value == TOK.TOKrparen) | |
| 4706 return false; // () is not a declarator | |
| 4707 | |
| 4708 /* Regard ( identifier ) as not a declarator | |
| 4709 * BUG: what about ( *identifier ) in | |
| 4710 * f(*p)(x); | |
| 4711 * where f is a class instance with overloaded () ? | |
| 4712 * Should we just disallow C-style function pointer declarations? | |
| 4713 */ | |
| 4714 if (t.value == TOK.TOKidentifier) | |
| 4715 { | |
| 4716 Token *t2 = peek(t); | |
| 4717 if (t2.value == TOK.TOKrparen) | |
| 4718 return false; | |
| 4719 } | |
| 4720 | |
| 4721 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4722 return false; | |
| 4723 t = peek(t); | |
| 4724 parens = true; | |
| 4725 break; | |
| 4726 | |
| 4727 case TOK.TOKdelegate: | |
| 4728 case TOK.TOKfunction: | |
| 4729 t = peek(t); | |
| 4730 if (!isParameters(&t)) | |
| 4731 return false; | |
| 4732 continue; | |
| 4733 default: | |
| 4734 break; /// | |
| 4735 } | |
| 4736 break; | |
| 4737 } | |
| 4738 | |
| 4739 while (1) | |
| 4740 { | |
| 4741 switch (t.value) | |
| 4742 { | |
| 4743 version (CARRAYDECL) { | |
| 4744 case TOK.TOKlbracket: | |
| 4745 parens = false; | |
| 4746 t = peek(t); | |
| 4747 if (t.value == TOK.TOKrbracket) | |
| 4748 { | |
| 4749 t = peek(t); | |
| 4750 } | |
| 4751 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4752 { | |
| 4753 // It's an associative array declaration | |
| 4754 t = peek(t); | |
| 4755 } | |
| 4756 else | |
| 4757 { | |
| 4758 // [ expression ] | |
| 4759 if (!isExpression(&t)) | |
| 4760 return false; | |
| 4761 if (t.value != TOK.TOKrbracket) | |
| 4762 return false; | |
| 4763 t = peek(t); | |
| 4764 } | |
| 4765 continue; | |
| 4766 } | |
| 4767 | |
| 4768 case TOK.TOKlparen: | |
| 4769 parens = false; | |
| 4770 if (!isParameters(&t)) | |
| 4771 return false; | |
| 4772 version (DMDV2) { | |
| 4773 while (true) | |
| 4774 { | |
| 4775 switch (t.value) | |
| 4776 { | |
| 4777 case TOK.TOKconst: | |
| 4778 case TOK.TOKinvariant: | |
| 4779 case TOK.TOKimmutable: | |
| 4780 case TOK.TOKshared: | |
| 135 | 4781 case TOKwild: |
| 0 | 4782 case TOK.TOKpure: |
| 4783 case TOK.TOKnothrow: | |
| 4784 t = peek(t); | |
| 4785 continue; | |
| 4786 case TOK.TOKat: | |
| 4787 t = peek(t); // skip '@' | |
| 4788 t = peek(t); // skip identifier | |
| 4789 continue; | |
| 4790 default: | |
| 4791 break; | |
| 4792 } | |
| 4793 break; | |
| 4794 } | |
| 4795 } | |
| 4796 continue; | |
| 4797 | |
| 4798 // Valid tokens that follow a declaration | |
| 4799 case TOK.TOKrparen: | |
| 4800 case TOK.TOKrbracket: | |
| 4801 case TOK.TOKassign: | |
| 4802 case TOK.TOKcomma: | |
| 4803 case TOK.TOKsemicolon: | |
| 4804 case TOK.TOKlcurly: | |
| 4805 case TOK.TOKin: | |
| 4806 // The !parens is to disallow unnecessary parentheses | |
| 4807 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4808 { | |
| 4809 *pt = t; | |
| 4810 return true; | |
| 4811 } | |
| 4812 return false; | |
| 4813 | |
| 4814 default: | |
| 4815 return false; | |
| 4816 } | |
| 4817 } | |
| 4818 } | |
| 4819 | |
| 4820 bool isParameters(Token** pt) | |
| 4821 { | |
| 4822 // This code parallels parseParameters() | |
| 4823 Token* t = *pt; | |
| 4824 | |
| 4825 //printf("isParameters()\n"); | |
| 4826 if (t.value != TOKlparen) | |
| 4827 return false; | |
| 4828 | |
| 4829 t = peek(t); | |
| 4830 for (;1; t = peek(t)) | |
| 4831 { | |
| 4832 L1: | |
| 4833 switch (t.value) | |
| 4834 { | |
| 4835 case TOKrparen: | |
| 4836 break; | |
| 4837 | |
| 4838 case TOKdotdotdot: | |
| 4839 t = peek(t); | |
| 4840 break; | |
| 4841 | |
| 135 | 4842 version(D1INOUT) { |
| 4843 case TOKinout: | |
| 4844 } | |
| 0 | 4845 case TOKin: |
| 4846 case TOKout: | |
| 4847 case TOKref: | |
| 4848 case TOKlazy: | |
| 4849 case TOKfinal: | |
| 135 | 4850 case TOKauto: |
| 0 | 4851 continue; |
| 4852 | |
| 4853 case TOKconst: | |
| 4854 case TOKinvariant: | |
| 4855 case TOKimmutable: | |
| 4856 case TOKshared: | |
| 135 | 4857 case TOKwild: |
| 0 | 4858 t = peek(t); |
| 4859 if (t.value == TOKlparen) | |
| 4860 { | |
| 4861 t = peek(t); | |
| 4862 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4863 return false; | |
| 4864 t = peek(t); // skip past closing ')' | |
| 4865 goto L2; | |
| 4866 } | |
| 4867 goto L1; | |
| 4868 | |
| 4869 static if (false) { | |
| 4870 case TOKstatic: | |
| 4871 continue; | |
| 4872 case TOKauto: | |
| 4873 case TOKalias: | |
| 4874 t = peek(t); | |
| 4875 if (t.value == TOKidentifier) | |
| 4876 t = peek(t); | |
| 4877 if (t.value == TOKassign) | |
| 4878 { t = peek(t); | |
| 4879 if (!isExpression(&t)) | |
| 4880 return false; | |
| 4881 } | |
| 4882 goto L3; | |
| 4883 } | |
| 4884 | |
| 4885 default: | |
| 4886 { | |
| 4887 if (!isBasicType(&t)) | |
| 4888 return false; | |
| 4889 L2: | |
| 4890 int tmp = false; | |
| 4891 if (t.value != TOKdotdotdot && | |
| 4892 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4893 return false; | |
| 4894 if (t.value == TOKassign) | |
| 4895 { | |
| 4896 t = peek(t); | |
| 4897 if (!isExpression(&t)) | |
| 4898 return false; | |
| 4899 } | |
| 4900 if (t.value == TOKdotdotdot) | |
| 4901 { | |
| 4902 t = peek(t); | |
| 4903 break; | |
| 4904 } | |
| 4905 } | |
| 4906 L3: | |
| 4907 if (t.value == TOKcomma) | |
| 4908 { | |
| 4909 continue; | |
| 4910 } | |
| 4911 break; | |
| 4912 } | |
| 4913 break; | |
| 4914 } | |
| 4915 | |
| 4916 if (t.value != TOKrparen) | |
| 4917 return false; | |
| 4918 | |
| 4919 t = peek(t); | |
| 4920 *pt = t; | |
| 4921 return true; | |
| 4922 } | |
| 4923 | |
| 4924 bool isExpression(Token** pt) | |
| 4925 { | |
| 4926 // This is supposed to determine if something is an expression. | |
| 4927 // What it actually does is scan until a closing right bracket | |
| 4928 // is found. | |
| 4929 | |
| 4930 Token* t = *pt; | |
| 4931 int brnest = 0; | |
| 4932 int panest = 0; | |
| 4933 int curlynest = 0; | |
| 4934 | |
| 4935 for (;; t = peek(t)) | |
| 4936 { | |
| 4937 switch (t.value) | |
| 4938 { | |
| 4939 case TOKlbracket: | |
| 4940 brnest++; | |
| 4941 continue; | |
| 4942 | |
| 4943 case TOKrbracket: | |
| 4944 if (--brnest >= 0) | |
| 4945 continue; | |
| 4946 break; | |
| 4947 | |
| 4948 case TOKlparen: | |
| 4949 panest++; | |
| 4950 continue; | |
| 4951 | |
| 4952 case TOKcomma: | |
| 4953 if (brnest || panest) | |
| 4954 continue; | |
| 4955 break; | |
| 4956 | |
| 4957 case TOKrparen: | |
| 4958 if (--panest >= 0) | |
| 4959 continue; | |
| 4960 break; | |
| 4961 | |
| 4962 case TOKlcurly: | |
| 4963 curlynest++; | |
| 4964 continue; | |
| 4965 | |
| 4966 case TOKrcurly: | |
| 4967 if (--curlynest >= 0) | |
| 4968 continue; | |
| 4969 return false; | |
| 4970 | |
| 4971 case TOKslice: | |
| 4972 if (brnest) | |
| 4973 continue; | |
| 4974 break; | |
| 4975 | |
| 4976 case TOKsemicolon: | |
| 4977 if (curlynest) | |
| 4978 continue; | |
| 4979 return false; | |
| 4980 | |
| 4981 case TOKeof: | |
| 4982 return false; | |
| 4983 | |
| 4984 default: | |
| 4985 continue; | |
| 4986 } | |
| 4987 break; | |
| 4988 } | |
| 4989 | |
| 4990 *pt = t; | |
| 4991 return true; | |
| 4992 } | |
| 4993 | |
| 4994 int isTemplateInstance(Token t, Token* pt) | |
| 4995 { | |
| 4996 assert(false); | |
| 4997 } | |
| 4998 | |
| 4999 /******************************************* | |
| 5000 * Skip parens, brackets. | |
| 5001 * Input: | |
| 5002 * t is on opening ( | |
| 5003 * Output: | |
| 5004 * *pt is set to closing token, which is ')' on success | |
| 5005 * Returns: | |
| 5006 * !=0 successful | |
| 5007 * 0 some parsing error | |
| 5008 */ | |
| 5009 bool skipParens(Token* t, Token** pt) | |
| 5010 { | |
| 5011 int parens = 0; | |
| 5012 | |
| 5013 while (1) | |
| 5014 { | |
| 5015 switch (t.value) | |
| 5016 { | |
| 5017 case TOKlparen: | |
| 5018 parens++; | |
| 5019 break; | |
| 5020 | |
| 5021 case TOKrparen: | |
| 5022 parens--; | |
| 5023 if (parens < 0) | |
| 5024 goto Lfalse; | |
| 5025 if (parens == 0) | |
| 5026 goto Ldone; | |
| 5027 break; | |
| 5028 | |
| 5029 case TOKeof: | |
| 5030 case TOKsemicolon: | |
| 5031 goto Lfalse; | |
| 5032 | |
| 5033 default: | |
| 5034 break; | |
| 5035 } | |
| 5036 t = peek(t); | |
| 5037 } | |
| 5038 | |
| 5039 Ldone: | |
| 5040 if (*pt) | |
| 5041 *pt = t; | |
| 5042 return true; | |
| 5043 | |
| 5044 Lfalse: | |
| 5045 return false; | |
| 5046 } | |
| 5047 | |
| 5048 Expression parseExpression() | |
| 5049 { | |
| 5050 Expression e; | |
| 5051 Expression e2; | |
| 5052 Loc loc = this.loc; | |
| 5053 | |
| 5054 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 5055 e = parseAssignExp(); | |
| 5056 while (token.value == TOK.TOKcomma) | |
| 5057 { | |
| 5058 nextToken(); | |
| 5059 e2 = parseAssignExp(); | |
| 5060 e = new CommaExp(loc, e, e2); | |
| 5061 loc = this.loc; | |
| 5062 } | |
| 5063 return e; | |
| 5064 } | |
| 5065 | |
| 5066 Expression parsePrimaryExp() | |
| 5067 { | |
| 5068 Expression e; | |
| 5069 Type t; | |
| 5070 Identifier id; | |
| 5071 TOK save; | |
| 5072 Loc loc = this.loc; | |
| 5073 | |
| 5074 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 5075 switch (token.value) | |
| 5076 { | |
| 5077 case TOK.TOKidentifier: | |
| 5078 id = token.ident; | |
| 5079 nextToken(); | |
| 5080 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5081 { // identifier!(template-argument-list) | |
| 5082 TemplateInstance tempinst; | |
| 5083 | |
| 5084 tempinst = new TemplateInstance(loc, id); | |
| 5085 nextToken(); | |
| 5086 if (token.value == TOK.TOKlparen) | |
| 5087 // ident!(template_arguments) | |
| 5088 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5089 else | |
| 5090 // ident!template_argument | |
| 5091 tempinst.tiargs = parseTemplateArgument(); | |
| 5092 e = new ScopeExp(loc, tempinst); | |
| 5093 } | |
| 5094 else | |
| 5095 e = new IdentifierExp(loc, id); | |
| 5096 break; | |
| 5097 | |
| 5098 case TOK.TOKdollar: | |
| 5099 if (!inBrackets) | |
| 5100 error("'$' is valid only inside [] of index or slice"); | |
| 5101 e = new DollarExp(loc); | |
| 5102 nextToken(); | |
| 5103 break; | |
| 5104 | |
| 5105 case TOK.TOKdot: | |
| 5106 // Signal global scope '.' operator with "" identifier | |
| 5107 e = new IdentifierExp(loc, Id.empty); | |
| 5108 break; | |
| 5109 | |
| 5110 case TOK.TOKthis: | |
| 5111 e = new ThisExp(loc); | |
| 5112 nextToken(); | |
| 5113 break; | |
| 5114 | |
| 5115 case TOK.TOKsuper: | |
| 5116 e = new SuperExp(loc); | |
| 5117 nextToken(); | |
| 5118 break; | |
| 5119 | |
| 5120 case TOK.TOKint32v: | |
| 5121 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 5122 nextToken(); | |
| 5123 break; | |
| 5124 | |
| 5125 case TOK.TOKuns32v: | |
| 5126 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 5127 nextToken(); | |
| 5128 break; | |
| 5129 | |
| 5130 case TOK.TOKint64v: | |
| 5131 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 5132 nextToken(); | |
| 5133 break; | |
| 5134 | |
| 5135 case TOK.TOKuns64v: | |
| 5136 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 5137 nextToken(); | |
| 5138 break; | |
| 5139 | |
| 5140 case TOK.TOKfloat32v: | |
| 5141 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 5142 nextToken(); | |
| 5143 break; | |
| 5144 | |
| 5145 case TOK.TOKfloat64v: | |
| 5146 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 5147 nextToken(); | |
| 5148 break; | |
| 5149 | |
| 5150 case TOK.TOKfloat80v: | |
| 5151 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 5152 nextToken(); | |
| 5153 break; | |
| 5154 | |
| 5155 case TOK.TOKimaginary32v: | |
| 5156 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5157 nextToken(); | |
| 5158 break; | |
| 5159 | |
| 5160 case TOK.TOKimaginary64v: | |
| 5161 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5162 nextToken(); | |
| 5163 break; | |
| 5164 | |
| 5165 case TOK.TOKimaginary80v: | |
| 5166 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5167 nextToken(); | |
| 5168 break; | |
| 5169 | |
| 5170 case TOK.TOKnull: | |
| 5171 e = new NullExp(loc); | |
| 5172 nextToken(); | |
| 5173 break; | |
| 5174 | |
| 5175 version (DMDV2) { | |
| 5176 case TOK.TOKfile: | |
| 5177 { | |
| 5178 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5179 e = new StringExp(loc, s, 0); | |
| 5180 nextToken(); | |
| 5181 break; | |
| 5182 } | |
| 5183 | |
| 5184 case TOK.TOKline: | |
| 5185 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5186 nextToken(); | |
| 5187 break; | |
| 5188 } | |
| 5189 | |
| 5190 case TOK.TOKtrue: | |
| 5191 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5192 nextToken(); | |
| 5193 break; | |
| 5194 | |
| 5195 case TOK.TOKfalse: | |
| 5196 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5197 nextToken(); | |
| 5198 break; | |
| 5199 | |
| 5200 case TOK.TOKcharv: | |
| 5201 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5202 nextToken(); | |
| 5203 break; | |
| 5204 | |
| 5205 case TOK.TOKwcharv: | |
| 5206 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5207 nextToken(); | |
| 5208 break; | |
| 5209 | |
| 5210 case TOK.TOKdcharv: | |
| 5211 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5212 nextToken(); | |
| 5213 break; | |
| 5214 | |
| 5215 case TOK.TOKstring: | |
| 5216 { | |
| 5217 const(char)* s; | |
| 5218 uint len; | |
| 5219 ubyte postfix; | |
| 5220 | |
| 5221 // cat adjacent strings | |
| 5222 s = token.ustring; | |
| 5223 len = token.len; | |
| 5224 postfix = token.postfix; | |
| 5225 while (1) | |
| 5226 { | |
| 5227 nextToken(); | |
| 5228 if (token.value == TOK.TOKstring) | |
| 5229 { uint len1; | |
| 5230 uint len2; | |
| 5231 char* s2; | |
| 5232 | |
| 5233 if (token.postfix) | |
| 5234 { if (token.postfix != postfix) | |
| 5235 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5236 postfix = token.postfix; | |
| 5237 } | |
| 5238 | |
| 5239 len1 = len; | |
| 5240 len2 = token.len; | |
| 5241 len = len1 + len2; | |
| 2 | 5242 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5243 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5244 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5245 s = s2; | |
| 5246 } | |
| 5247 else | |
| 5248 break; | |
| 5249 } | |
| 5250 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5251 break; | |
| 5252 } | |
| 5253 | |
| 5254 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5255 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5256 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5257 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5258 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5259 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5260 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5261 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5262 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5263 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5264 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5265 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5266 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5267 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5268 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5269 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5270 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5271 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5272 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5273 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5274 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5275 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5276 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5277 LabelX: | |
| 5278 nextToken(); | |
| 5279 L1: | |
| 5280 check(TOK.TOKdot, t.toChars()); | |
| 5281 if (token.value != TOK.TOKidentifier) | |
| 5282 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5283 goto Lerr; | |
| 5284 } | |
| 5285 e = typeDotIdExp(loc, t, token.ident); | |
| 5286 nextToken(); | |
| 5287 break; | |
| 5288 | |
| 5289 case TOK.TOKtypeof: | |
| 5290 { | |
| 5291 t = parseTypeof(); | |
| 5292 e = new TypeExp(loc, t); | |
| 5293 break; | |
| 5294 } | |
| 5295 | |
| 5296 case TOK.TOKtypeid: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5297 { |
| 0 | 5298 nextToken(); |
| 5299 check(TOK.TOKlparen, "typeid"); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5300 Object o; |
|
131
206db751bd4c
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5301 if (isDeclaration(&token, 0, TOKreserved, null)) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5302 { // argument is a type |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5303 o = parseType(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5304 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5305 else |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5306 { // argument is an expression |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5307 o = parseAssignExp(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5308 } |
| 0 | 5309 check(TOK.TOKrparen); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5310 e = new TypeidExp(loc, o); |
| 0 | 5311 break; |
| 5312 } | |
| 5313 | |
| 5314 version (DMDV2) { | |
| 5315 case TOK.TOKtraits: | |
| 5316 { /* __traits(identifier, args...) | |
| 5317 */ | |
| 5318 Identifier ident; | |
| 5319 Objects args = null; | |
| 5320 | |
| 5321 nextToken(); | |
| 5322 check(TOK.TOKlparen); | |
| 5323 if (token.value != TOK.TOKidentifier) | |
| 5324 { error("__traits(identifier, args...) expected"); | |
| 5325 goto Lerr; | |
| 5326 } | |
| 5327 ident = token.ident; | |
| 5328 nextToken(); | |
| 5329 if (token.value == TOK.TOKcomma) | |
| 5330 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5331 else | |
| 5332 check(TOK.TOKrparen); // __traits(identifier) | |
| 5333 | |
| 5334 e = new TraitsExp(loc, ident, args); | |
| 5335 break; | |
| 5336 } | |
| 5337 } | |
| 5338 | |
| 5339 case TOK.TOKis: | |
| 5340 { Type targ; | |
| 5341 Identifier ident = null; | |
| 5342 Type tspec = null; | |
| 5343 TOK tok = TOK.TOKreserved; | |
| 5344 TOK tok2 = TOK.TOKreserved; | |
| 5345 TemplateParameters tpl = null; | |
| 5346 Loc loc2 = this.loc; | |
| 5347 | |
| 5348 nextToken(); | |
| 5349 if (token.value == TOK.TOKlparen) | |
| 5350 { | |
| 5351 nextToken(); | |
| 5352 targ = parseType(&ident); | |
| 5353 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5354 { | |
| 5355 tok = token.value; | |
| 5356 nextToken(); | |
| 5357 if (tok == TOK.TOKequal && | |
| 5358 (token.value == TOK.TOKtypedef || | |
| 5359 token.value == TOK.TOKstruct || | |
| 5360 token.value == TOK.TOKunion || | |
| 5361 token.value == TOK.TOKclass || | |
| 5362 token.value == TOK.TOKsuper || | |
| 5363 token.value == TOK.TOKenum || | |
| 5364 token.value == TOK.TOKinterface || | |
| 5365 ///version (DMDV2) { | |
| 5366 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5367 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5368 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5369 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 135 | 5370 token.value == TOKwild && peek(&token).value == TOKrparen || |
| 0 | 5371 ///} |
| 5372 token.value == TOK.TOKfunction || | |
| 5373 token.value == TOK.TOKdelegate || | |
| 5374 token.value == TOK.TOKreturn)) | |
| 5375 { | |
| 5376 tok2 = token.value; | |
| 5377 nextToken(); | |
| 5378 } | |
| 5379 else | |
| 5380 { | |
| 5381 tspec = parseType(); | |
| 5382 } | |
| 5383 } | |
| 5384 if (ident && tspec) | |
| 5385 { | |
| 5386 if (token.value == TOK.TOKcomma) | |
| 5387 tpl = parseTemplateParameterList(1); | |
| 5388 else | |
| 5389 { tpl = new TemplateParameters(); | |
| 5390 check(TOK.TOKrparen); | |
| 5391 } | |
| 5392 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
5393 tpl.insert(0, tp); |
| 0 | 5394 } |
| 5395 else | |
| 5396 check(TOK.TOKrparen); | |
| 5397 } | |
| 5398 else | |
| 5399 { error("(type identifier : specialization) expected following is"); | |
| 5400 goto Lerr; | |
| 5401 } | |
| 5402 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5403 break; | |
| 5404 } | |
| 5405 | |
| 5406 case TOK.TOKassert: | |
| 5407 { | |
| 5408 Expression msg = null; | |
| 5409 | |
| 5410 nextToken(); | |
| 5411 check(TOK.TOKlparen, "assert"); | |
| 5412 e = parseAssignExp(); | |
| 5413 if (token.value == TOK.TOKcomma) | |
| 5414 { nextToken(); | |
| 5415 msg = parseAssignExp(); | |
| 5416 } | |
| 5417 check(TOK.TOKrparen); | |
| 5418 e = new AssertExp(loc, e, msg); | |
| 5419 break; | |
| 5420 } | |
| 5421 | |
| 5422 case TOK.TOKmixin: | |
| 5423 { | |
| 5424 nextToken(); | |
| 5425 check(TOK.TOKlparen, "mixin"); | |
| 5426 e = parseAssignExp(); | |
| 5427 check(TOK.TOKrparen); | |
| 5428 e = new CompileExp(loc, e); | |
| 5429 break; | |
| 5430 } | |
| 5431 | |
| 5432 case TOK.TOKimport: | |
| 5433 { | |
| 5434 nextToken(); | |
| 5435 check(TOK.TOKlparen, "import"); | |
| 5436 e = parseAssignExp(); | |
| 5437 check(TOK.TOKrparen); | |
| 5438 e = new FileExp(loc, e); | |
| 5439 break; | |
| 5440 } | |
| 5441 | |
| 5442 case TOK.TOKlparen: | |
| 5443 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5444 { // (arguments) { statements... } | |
| 5445 save = TOK.TOKdelegate; | |
| 5446 goto case_delegate; | |
| 5447 } | |
| 5448 // ( expression ) | |
| 5449 nextToken(); | |
| 5450 e = parseExpression(); | |
| 5451 check(loc, TOK.TOKrparen); | |
| 5452 break; | |
| 5453 | |
| 5454 case TOK.TOKlbracket: | |
| 5455 { /* Parse array literals and associative array literals: | |
| 5456 * [ value, value, value ... ] | |
| 5457 * [ key:value, key:value, key:value ... ] | |
| 5458 */ | |
| 5459 Expressions values = new Expressions(); | |
| 5460 Expressions keys = null; | |
| 5461 | |
| 5462 nextToken(); | |
| 5463 if (token.value != TOK.TOKrbracket) | |
| 5464 { | |
| 5465 while (token.value != TOK.TOKeof) | |
| 5466 { | |
| 5467 Expression e2 = parseAssignExp(); | |
| 5468 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5469 { | |
| 5470 nextToken(); | |
| 5471 if (!keys) | |
| 5472 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5473 keys.push(e2); |
| 0 | 5474 e2 = parseAssignExp(); |
| 5475 } | |
| 5476 else if (keys) | |
| 5477 { | |
| 5478 error("'key:value' expected for associative array literal"); | |
| 5479 delete keys; | |
| 5480 keys = null; | |
| 5481 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5482 values.push(e2); |
| 0 | 5483 if (token.value == TOK.TOKrbracket) |
| 5484 break; | |
| 5485 check(TOK.TOKcomma); | |
| 5486 } | |
| 5487 } | |
| 5488 check(TOK.TOKrbracket); | |
| 5489 | |
| 5490 if (keys) | |
| 5491 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5492 else | |
| 5493 e = new ArrayLiteralExp(loc, values); | |
| 5494 break; | |
| 5495 } | |
| 5496 | |
| 5497 case TOK.TOKlcurly: | |
| 5498 // { statements... } | |
| 5499 save = TOK.TOKdelegate; | |
| 5500 goto case_delegate; | |
| 5501 | |
| 5502 case TOK.TOKfunction: | |
| 5503 case TOK.TOKdelegate: | |
| 5504 save = token.value; | |
| 5505 nextToken(); | |
| 5506 case_delegate: | |
| 5507 { | |
| 5508 /* function type(parameters) { body } pure nothrow | |
| 5509 * delegate type(parameters) { body } pure nothrow | |
| 5510 * (parameters) { body } | |
| 5511 * { body } | |
| 5512 */ | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5513 Parameters arguments; |
| 0 | 5514 int varargs; |
| 5515 FuncLiteralDeclaration fd; | |
| 5516 Type tt; | |
| 5517 bool isnothrow = false; | |
| 5518 bool ispure = false; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5519 bool isproperty = false; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5520 TRUST trust = TRUSTdefault; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5521 |
| 0 | 5522 if (token.value == TOK.TOKlcurly) |
| 5523 { | |
| 5524 tt = null; | |
| 5525 varargs = 0; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5526 arguments = new Parameters(); |
| 0 | 5527 } |
| 5528 else | |
| 5529 { | |
| 5530 if (token.value == TOK.TOKlparen) | |
| 5531 tt = null; | |
| 5532 else | |
| 5533 { | |
| 5534 tt = parseBasicType(); | |
| 5535 tt = parseBasicType2(tt); // function return type | |
| 5536 } | |
| 5537 arguments = parseParameters(&varargs); | |
| 5538 while (1) | |
| 5539 { | |
| 5540 if (token.value == TOK.TOKpure) | |
| 5541 ispure = true; | |
| 5542 else if (token.value == TOK.TOKnothrow) | |
| 5543 isnothrow = true; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5544 else if (token.value == TOKat) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5545 { |
|
131
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5546 StorageClass stc = parseAttribute(); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5547 switch (cast(uint)(stc >> 32)) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5548 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5549 case STCproperty >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5550 isproperty = true; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5551 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5552 case STCsafe >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5553 trust = TRUSTsafe; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
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diff
changeset
|
5554 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5555 case STCsystem >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5556 trust = TRUSTsystem; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5557 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5558 case STCtrusted >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5559 trust = TRUSTtrusted; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5560 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5561 case 0: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5562 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5563 default: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5564 assert(0); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5565 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5566 } |
| 0 | 5567 else |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5568 break; |
| 0 | 5569 nextToken(); |
| 5570 } | |
| 5571 } | |
| 5572 | |
| 5573 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5574 tf.ispure = ispure; | |
| 5575 tf.isnothrow = isnothrow; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5576 tf.isproperty = isproperty; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5577 tf.trust = trust; |
| 0 | 5578 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); |
| 5579 parseContracts(fd); | |
| 5580 e = new FuncExp(loc, fd); | |
| 5581 break; | |
| 5582 } | |
| 5583 | |
| 5584 default: | |
| 5585 error("expression expected, not '%s'", token.toChars()); | |
| 5586 Lerr: | |
| 5587 // Anything for e, as long as it's not null | |
| 5588 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5589 nextToken(); | |
| 5590 break; | |
| 5591 } | |
| 5592 return e; | |
| 5593 } | |
| 5594 | |
| 5595 Expression parseUnaryExp() | |
| 5596 { | |
| 5597 Expression e; | |
| 5598 Loc loc = this.loc; | |
| 5599 | |
| 5600 switch (token.value) | |
| 5601 { | |
| 5602 case TOK.TOKand: | |
| 5603 nextToken(); | |
| 5604 e = parseUnaryExp(); | |
| 5605 e = new AddrExp(loc, e); | |
| 5606 break; | |
| 5607 | |
| 5608 case TOK.TOKplusplus: | |
| 5609 nextToken(); | |
| 5610 e = parseUnaryExp(); | |
| 5611 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5612 break; | |
| 5613 | |
| 5614 case TOK.TOKminusminus: | |
| 5615 nextToken(); | |
| 5616 e = parseUnaryExp(); | |
| 5617 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5618 break; | |
| 5619 | |
| 5620 case TOK.TOKmul: | |
| 5621 nextToken(); | |
| 5622 e = parseUnaryExp(); | |
| 5623 e = new PtrExp(loc, e); | |
| 5624 break; | |
| 5625 | |
| 5626 case TOK.TOKmin: | |
| 5627 nextToken(); | |
| 5628 e = parseUnaryExp(); | |
| 5629 e = new NegExp(loc, e); | |
| 5630 break; | |
| 5631 | |
| 5632 case TOK.TOKadd: | |
| 5633 nextToken(); | |
| 5634 e = parseUnaryExp(); | |
| 5635 e = new UAddExp(loc, e); | |
| 5636 break; | |
| 5637 | |
| 5638 case TOK.TOKnot: | |
| 5639 nextToken(); | |
| 5640 e = parseUnaryExp(); | |
| 5641 e = new NotExp(loc, e); | |
| 5642 break; | |
| 5643 | |
| 5644 case TOK.TOKtilde: | |
| 5645 nextToken(); | |
| 5646 e = parseUnaryExp(); | |
| 5647 e = new ComExp(loc, e); | |
| 5648 break; | |
| 5649 | |
| 5650 case TOK.TOKdelete: | |
| 5651 nextToken(); | |
| 5652 e = parseUnaryExp(); | |
| 5653 e = new DeleteExp(loc, e); | |
| 5654 break; | |
| 5655 | |
| 5656 case TOK.TOKnew: | |
| 5657 e = parseNewExp(null); | |
| 5658 break; | |
| 5659 | |
| 5660 case TOK.TOKcast: // cast(type) expression | |
| 5661 { | |
| 5662 nextToken(); | |
| 5663 check(TOK.TOKlparen); | |
| 5664 /* Look for cast(), cast(const), cast(immutable), | |
| 135 | 5665 * cast(shared), cast(shared const), cast(wild), cast(shared wild) |
| 0 | 5666 */ |
| 5667 MOD m; | |
| 5668 if (token.value == TOK.TOKrparen) | |
| 5669 { | |
| 5670 m = MOD.MODundefined; | |
| 5671 goto Lmod1; | |
| 5672 } | |
| 5673 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5674 { | |
| 5675 m = MOD.MODconst; | |
| 5676 goto Lmod2; | |
| 5677 } | |
| 5678 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5679 { | |
| 135 | 5680 m = MOD.MODimmutable; |
| 0 | 5681 goto Lmod2; |
| 5682 } | |
| 5683 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5684 { | |
| 5685 m = MOD.MODshared; | |
| 5686 goto Lmod2; | |
| 5687 } | |
| 135 | 5688 else if (token.value == TOKwild && peekNext() == TOK.TOKrparen) |
| 5689 { | |
| 5690 m = MODwild; | |
| 5691 goto Lmod2; | |
| 5692 } | |
| 5693 else if (token.value == TOKwild && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5694 token.value == TOK.TOKshared && peekNext() == TOKwild && peekNext2() == TOK.TOKrparen) | |
| 5695 { | |
| 5696 m = MOD.MODshared | MOD.MODwild; | |
| 5697 goto Lmod3; | |
| 5698 } | |
| 0 | 5699 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || |
| 5700 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5701 { | |
| 5702 m = MOD.MODshared | MOD.MODconst; | |
| 135 | 5703 Lmod3: |
| 0 | 5704 nextToken(); |
| 5705 Lmod2: | |
| 5706 nextToken(); | |
| 5707 Lmod1: | |
| 5708 nextToken(); | |
| 5709 e = parseUnaryExp(); | |
| 5710 e = new CastExp(loc, e, m); | |
| 5711 } | |
| 5712 else | |
| 5713 { | |
| 5714 Type t = parseType(); // ( type ) | |
| 5715 check(TOK.TOKrparen); | |
| 5716 e = parseUnaryExp(); | |
| 5717 e = new CastExp(loc, e, t); | |
| 5718 } | |
| 5719 break; | |
| 5720 } | |
| 5721 | |
| 5722 case TOK.TOKlparen: | |
| 5723 { Token *tk; | |
| 5724 | |
| 5725 tk = peek(&token); | |
| 5726 version (CCASTSYNTAX) { | |
| 5727 // If cast | |
| 5728 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5729 { | |
| 5730 tk = peek(tk); // skip over right parenthesis | |
| 5731 switch (tk.value) | |
| 5732 { | |
| 5733 case TOK.TOKnot: | |
| 5734 tk = peek(tk); | |
| 5735 if (tk.value == TOK.TOKis) // !is | |
| 5736 break; | |
| 5737 case TOK.TOKdot: | |
| 5738 case TOK.TOKplusplus: | |
| 5739 case TOK.TOKminusminus: | |
| 5740 case TOK.TOKdelete: | |
| 5741 case TOK.TOKnew: | |
| 5742 case TOK.TOKlparen: | |
| 5743 case TOK.TOKidentifier: | |
| 5744 case TOK.TOKthis: | |
| 5745 case TOK.TOKsuper: | |
| 5746 case TOK.TOKint32v: | |
| 5747 case TOK.TOKuns32v: | |
| 5748 case TOK.TOKint64v: | |
| 5749 case TOK.TOKuns64v: | |
| 5750 case TOK.TOKfloat32v: | |
| 5751 case TOK.TOKfloat64v: | |
| 5752 case TOK.TOKfloat80v: | |
| 5753 case TOK.TOKimaginary32v: | |
| 5754 case TOK.TOKimaginary64v: | |
| 5755 case TOK.TOKimaginary80v: | |
| 5756 case TOK.TOKnull: | |
| 5757 case TOK.TOKtrue: | |
| 5758 case TOK.TOKfalse: | |
| 5759 case TOK.TOKcharv: | |
| 5760 case TOK.TOKwcharv: | |
| 5761 case TOK.TOKdcharv: | |
| 5762 case TOK.TOKstring: | |
| 5763 static if (false) { | |
| 5764 case TOK.TOKtilde: | |
| 5765 case TOK.TOKand: | |
| 5766 case TOK.TOKmul: | |
| 5767 case TOK.TOKmin: | |
| 5768 case TOK.TOKadd: | |
| 5769 } | |
| 5770 case TOK.TOKfunction: | |
| 5771 case TOK.TOKdelegate: | |
| 5772 case TOK.TOKtypeof: | |
| 5773 version (DMDV2) { | |
| 5774 case TOK.TOKfile: | |
| 5775 case TOK.TOKline: | |
| 5776 } | |
| 5777 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5778 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5779 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5780 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5781 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5782 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5783 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5784 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5785 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5786 case TOK.TOKvoid: // (type)int.size | |
| 5787 { | |
| 5788 // (type) una_exp | |
| 5789 nextToken(); | |
| 5790 Type t = parseType(); | |
| 5791 check(TOK.TOKrparen); | |
| 5792 | |
| 5793 // if .identifier | |
| 5794 if (token.value == TOK.TOKdot) | |
| 5795 { | |
| 5796 nextToken(); | |
| 5797 if (token.value != TOK.TOKidentifier) | |
| 5798 { | |
| 5799 error("Identifier expected following (type)."); | |
| 5800 return null; | |
| 5801 } | |
| 5802 e = typeDotIdExp(loc, t, token.ident); | |
| 5803 nextToken(); | |
| 5804 e = parsePostExp(e); | |
| 5805 } | |
| 5806 else | |
| 5807 { | |
| 5808 e = parseUnaryExp(); | |
| 5809 e = new CastExp(loc, e, t); | |
| 5810 error("C style cast illegal, use %s", e.toChars()); | |
| 5811 } | |
| 5812 return e; | |
| 5813 } | |
| 5814 | |
| 5815 default: | |
| 5816 break; /// | |
| 5817 } | |
| 5818 } | |
| 5819 } | |
| 5820 e = parsePrimaryExp(); | |
| 5821 e = parsePostExp(e); | |
| 5822 break; | |
| 5823 } | |
| 5824 default: | |
| 5825 e = parsePrimaryExp(); | |
| 5826 e = parsePostExp(e); | |
| 5827 break; | |
| 5828 } | |
| 5829 assert(e); | |
| 135 | 5830 |
| 5831 // ^^ is right associative and has higher precedence than the unary operators | |
| 5832 while (token.value == TOK.TOKpow) | |
| 5833 { | |
| 5834 nextToken(); | |
| 5835 Expression e2 = parseUnaryExp(); | |
| 5836 e = new PowExp(loc, e, e2); | |
| 5837 } | |
| 5838 | |
| 0 | 5839 return e; |
| 5840 } | |
| 5841 | |
| 5842 Expression parsePostExp(Expression e) | |
| 5843 { | |
| 5844 Loc loc; | |
| 5845 | |
| 5846 while (1) | |
| 5847 { | |
| 5848 loc = this.loc; | |
| 5849 switch (token.value) | |
| 5850 { | |
| 5851 case TOK.TOKdot: | |
| 5852 nextToken(); | |
| 5853 if (token.value == TOK.TOKidentifier) | |
| 5854 { Identifier id = token.ident; | |
| 5855 | |
| 5856 nextToken(); | |
| 5857 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5858 { // identifier!(template-argument-list) | |
| 5859 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5860 Objects tiargs; |
| 0 | 5861 nextToken(); |
| 5862 if (token.value == TOK.TOKlparen) | |
| 5863 // ident!(template_arguments) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5864 tiargs = parseTemplateArgumentList(); |
| 0 | 5865 else |
| 5866 // ident!template_argument | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5867 tiargs = parseTemplateArgument(); |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5868 e = new DotTemplateInstanceExp(loc, e, id, tiargs); |
| 0 | 5869 } |
| 5870 else | |
| 5871 e = new DotIdExp(loc, e, id); | |
| 5872 continue; | |
| 5873 } | |
| 5874 else if (token.value == TOK.TOKnew) | |
| 5875 { | |
| 5876 e = parseNewExp(e); | |
| 5877 continue; | |
| 5878 } | |
| 5879 else | |
| 5880 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5881 break; | |
| 5882 | |
| 5883 case TOK.TOKplusplus: | |
| 5884 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5885 break; | |
| 5886 | |
| 5887 case TOK.TOKminusminus: | |
| 5888 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5889 break; | |
| 5890 | |
| 5891 case TOK.TOKlparen: | |
| 5892 e = new CallExp(loc, e, parseArguments()); | |
| 5893 continue; | |
| 5894 | |
| 5895 case TOK.TOKlbracket: | |
| 5896 { // array dereferences: | |
| 5897 // array[index] | |
| 5898 // array[] | |
| 5899 // array[lwr .. upr] | |
| 5900 Expression index; | |
| 5901 Expression upr; | |
| 5902 | |
| 5903 inBrackets++; | |
| 5904 nextToken(); | |
| 5905 if (token.value == TOK.TOKrbracket) | |
| 5906 { // array[] | |
| 5907 e = new SliceExp(loc, e, null, null); | |
| 5908 nextToken(); | |
| 5909 } | |
| 5910 else | |
| 5911 { | |
| 5912 index = parseAssignExp(); | |
| 5913 if (token.value == TOK.TOKslice) | |
| 5914 { // array[lwr .. upr] | |
| 5915 nextToken(); | |
| 5916 upr = parseAssignExp(); | |
| 5917 e = new SliceExp(loc, e, index, upr); | |
| 5918 } | |
| 5919 else | |
| 5920 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5921 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5922 arguments.push(index); |
| 0 | 5923 if (token.value == TOK.TOKcomma) |
| 5924 { | |
| 5925 nextToken(); | |
| 5926 while (1) | |
| 5927 { Expression arg; | |
| 5928 | |
| 5929 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5930 arguments.push(arg); |
| 0 | 5931 if (token.value == TOK.TOKrbracket) |
| 5932 break; | |
| 5933 check(TOK.TOKcomma); | |
| 5934 } | |
| 5935 } | |
| 5936 e = new ArrayExp(loc, e, arguments); | |
| 5937 } | |
| 5938 check(TOK.TOKrbracket); | |
| 5939 inBrackets--; | |
| 5940 } | |
| 5941 continue; | |
| 5942 } | |
| 5943 | |
| 5944 default: | |
| 5945 return e; | |
| 5946 } | |
| 5947 nextToken(); | |
| 5948 } | |
| 5949 | |
| 5950 assert(false); | |
| 5951 } | |
| 5952 | |
| 5953 Expression parseMulExp() | |
| 5954 { | |
| 5955 Expression e; | |
| 5956 Expression e2; | |
| 5957 Loc loc = this.loc; | |
| 5958 | |
| 5959 e = parseUnaryExp(); | |
| 5960 while (1) | |
| 5961 { | |
| 5962 switch (token.value) | |
| 5963 { | |
| 5964 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
|
5965 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
|
5966 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; |
| 0 | 5967 |
| 5968 default: | |
| 5969 break; | |
| 5970 } | |
| 5971 break; | |
| 5972 } | |
| 5973 return e; | |
| 5974 } | |
| 5975 | |
| 5976 Expression parseShiftExp() | |
| 5977 { | |
| 5978 Expression e; | |
| 5979 Expression e2; | |
| 5980 Loc loc = this.loc; | |
| 5981 | |
| 5982 e = parseAddExp(); | |
| 5983 while (1) | |
| 5984 { | |
| 5985 switch (token.value) | |
| 5986 { | |
| 5987 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5988 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5989 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5990 | |
| 5991 default: | |
| 5992 break; | |
| 5993 } | |
| 5994 break; | |
| 5995 } | |
| 5996 return e; | |
| 5997 } | |
| 5998 | |
| 5999 Expression parseAddExp() | |
| 6000 { | |
| 6001 Expression e; | |
| 6002 Expression e2; | |
| 6003 Loc loc = this.loc; | |
| 6004 | |
| 6005 e = parseMulExp(); | |
| 6006 while (1) | |
| 6007 { | |
| 6008 switch (token.value) | |
| 6009 { | |
| 6010 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 6011 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 6012 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 6013 | |
| 6014 default: | |
| 6015 break; | |
| 6016 } | |
| 6017 break; | |
| 6018 } | |
| 6019 return e; | |
| 6020 } | |
| 6021 | |
| 6022 Expression parseRelExp() | |
| 6023 { | |
| 6024 assert(false); | |
| 6025 } | |
| 6026 | |
| 6027 Expression parseEqualExp() | |
| 6028 { | |
| 6029 assert(false); | |
| 6030 } | |
| 6031 | |
| 6032 Expression parseCmpExp() | |
| 6033 { | |
| 6034 Expression e; | |
| 6035 Expression e2; | |
| 6036 Token* t; | |
| 6037 Loc loc = this.loc; | |
| 6038 | |
| 6039 e = parseShiftExp(); | |
| 6040 TOK op = token.value; | |
| 6041 | |
| 6042 switch (op) | |
| 6043 { | |
| 6044 case TOK.TOKequal: | |
| 6045 case TOK.TOKnotequal: | |
| 6046 nextToken(); | |
| 6047 e2 = parseShiftExp(); | |
| 6048 e = new EqualExp(op, loc, e, e2); | |
| 6049 break; | |
| 6050 | |
| 6051 case TOK.TOKis: | |
| 6052 op = TOK.TOKidentity; | |
| 6053 goto L1; | |
| 6054 | |
| 6055 case TOK.TOKnot: | |
| 6056 // Attempt to identify '!is' | |
| 6057 t = peek(&token); | |
| 6058 if (t.value != TOK.TOKis) | |
| 6059 break; | |
| 6060 nextToken(); | |
| 6061 op = TOK.TOKnotidentity; | |
| 6062 goto L1; | |
| 6063 | |
| 6064 L1: | |
| 6065 nextToken(); | |
| 6066 e2 = parseShiftExp(); | |
| 6067 e = new IdentityExp(op, loc, e, e2); | |
| 6068 break; | |
| 6069 | |
| 6070 case TOK.TOKlt: | |
| 6071 case TOK.TOKle: | |
| 6072 case TOK.TOKgt: | |
| 6073 case TOK.TOKge: | |
| 6074 case TOK.TOKunord: | |
| 6075 case TOK.TOKlg: | |
| 6076 case TOK.TOKleg: | |
| 6077 case TOK.TOKule: | |
| 6078 case TOK.TOKul: | |
| 6079 case TOK.TOKuge: | |
| 6080 case TOK.TOKug: | |
| 6081 case TOK.TOKue: | |
| 6082 nextToken(); | |
| 6083 e2 = parseShiftExp(); | |
| 6084 e = new CmpExp(op, loc, e, e2); | |
| 6085 break; | |
| 6086 | |
| 6087 case TOK.TOKin: | |
| 6088 nextToken(); | |
| 6089 e2 = parseShiftExp(); | |
| 6090 e = new InExp(loc, e, e2); | |
| 6091 break; | |
| 6092 | |
| 6093 default: | |
| 6094 break; | |
| 6095 } | |
| 6096 return e; | |
| 6097 } | |
| 6098 | |
| 6099 Expression parseAndExp() | |
| 6100 { | |
| 6101 Expression e; | |
| 6102 Expression e2; | |
| 6103 Loc loc = this.loc; | |
| 6104 | |
| 6105 if (global.params.Dversion == 1) | |
| 6106 { | |
| 6107 e = parseEqualExp(); | |
| 6108 while (token.value == TOK.TOKand) | |
| 6109 { | |
| 6110 nextToken(); | |
| 6111 e2 = parseEqualExp(); | |
| 6112 e = new AndExp(loc,e,e2); | |
| 6113 loc = this.loc; | |
| 6114 } | |
| 6115 } | |
| 6116 else | |
| 6117 { | |
| 6118 e = parseCmpExp(); | |
| 6119 while (token.value == TOK.TOKand) | |
| 6120 { | |
| 6121 nextToken(); | |
| 6122 e2 = parseCmpExp(); | |
| 6123 e = new AndExp(loc,e,e2); | |
| 6124 loc = this.loc; | |
| 6125 } | |
| 6126 } | |
| 6127 return e; | |
| 6128 } | |
| 6129 | |
| 6130 Expression parseXorExp() | |
| 6131 { | |
| 6132 Expression e; | |
| 6133 Expression e2; | |
| 6134 Loc loc = this.loc; | |
| 6135 | |
| 6136 e = parseAndExp(); | |
| 6137 while (token.value == TOK.TOKxor) | |
| 6138 { | |
| 6139 nextToken(); | |
| 6140 e2 = parseAndExp(); | |
| 6141 e = new XorExp(loc, e, e2); | |
| 6142 } | |
| 6143 | |
| 6144 return e; | |
| 6145 } | |
| 6146 | |
| 6147 Expression parseOrExp() | |
| 6148 { | |
| 6149 Expression e; | |
| 6150 Expression e2; | |
| 6151 Loc loc = this.loc; | |
| 6152 | |
| 6153 e = parseXorExp(); | |
| 6154 while (token.value == TOK.TOKor) | |
| 6155 { | |
| 6156 nextToken(); | |
| 6157 e2 = parseXorExp(); | |
| 6158 e = new OrExp(loc, e, e2); | |
| 6159 } | |
| 6160 return e; | |
| 6161 } | |
| 6162 | |
| 6163 Expression parseAndAndExp() | |
| 6164 { | |
| 6165 Expression e; | |
| 6166 Expression e2; | |
| 6167 Loc loc = this.loc; | |
| 6168 | |
| 6169 e = parseOrExp(); | |
| 6170 while (token.value == TOK.TOKandand) | |
| 6171 { | |
| 6172 nextToken(); | |
| 6173 e2 = parseOrExp(); | |
| 6174 e = new AndAndExp(loc, e, e2); | |
| 6175 } | |
| 6176 return e; | |
| 6177 } | |
| 6178 | |
| 6179 Expression parseOrOrExp() | |
| 6180 { | |
| 6181 Expression e; | |
| 6182 Expression e2; | |
| 6183 Loc loc = this.loc; | |
| 6184 | |
| 6185 e = parseAndAndExp(); | |
| 6186 while (token.value == TOK.TOKoror) | |
| 6187 { | |
| 6188 nextToken(); | |
| 6189 e2 = parseAndAndExp(); | |
| 6190 e = new OrOrExp(loc, e, e2); | |
| 6191 } | |
| 6192 | |
| 6193 return e; | |
| 6194 } | |
| 6195 | |
| 6196 Expression parseCondExp() | |
| 6197 { | |
| 6198 Expression e; | |
| 6199 Expression e1; | |
| 6200 Expression e2; | |
| 6201 Loc loc = this.loc; | |
| 6202 | |
| 6203 e = parseOrOrExp(); | |
| 6204 if (token.value == TOK.TOKquestion) | |
| 6205 { | |
| 6206 nextToken(); | |
| 6207 e1 = parseExpression(); | |
| 6208 check(TOK.TOKcolon); | |
| 6209 e2 = parseCondExp(); | |
| 6210 e = new CondExp(loc, e, e1, e2); | |
| 6211 } | |
| 6212 return e; | |
| 6213 } | |
| 6214 | |
| 6215 Expression parseAssignExp() | |
| 6216 { | |
| 6217 Expression e; | |
| 6218 Expression e2; | |
| 6219 Loc loc; | |
| 6220 | |
| 6221 e = parseCondExp(); | |
| 6222 while (1) | |
| 6223 { | |
| 6224 loc = this.loc; | |
| 6225 switch (token.value) | |
| 6226 { | |
| 6227 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6228 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6229 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6230 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6231 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6232 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
| 135 | 6233 case TOK.TOKpowass: nextToken(); e2 = parseAssignExp(); e = new PowAssignExp(loc,e,e2); continue; |
| 0 | 6234 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; |
| 6235 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6236 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6237 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6238 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6239 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6240 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6241 | |
| 6242 default: | |
| 6243 break; | |
| 6244 } | |
| 6245 break; | |
| 6246 } | |
| 6247 | |
| 6248 return e; | |
| 6249 } | |
| 6250 | |
| 6251 /************************* | |
| 6252 * Collect argument list. | |
| 6253 * Assume current token is ',', '(' or '['. | |
| 6254 */ | |
| 6255 Expressions parseArguments() | |
| 6256 { | |
| 6257 // function call | |
| 6258 Expressions arguments = new Expressions(); | |
| 6259 Expression arg; | |
| 6260 TOK endtok; | |
| 6261 | |
| 6262 if (token.value == TOK.TOKlbracket) | |
| 6263 endtok = TOK.TOKrbracket; | |
| 6264 else | |
| 6265 endtok = TOK.TOKrparen; | |
| 6266 | |
| 6267 { | |
| 6268 nextToken(); | |
| 6269 if (token.value != endtok) | |
| 6270 { | |
| 6271 while (1) | |
| 6272 { | |
| 6273 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6274 arguments.push(arg); |
| 0 | 6275 if (token.value == endtok) |
| 6276 break; | |
| 6277 check(TOK.TOKcomma); | |
| 6278 } | |
| 6279 } | |
| 6280 check(endtok); | |
| 6281 } | |
| 6282 return arguments; | |
| 6283 } | |
| 6284 | |
| 6285 Expression parseNewExp(Expression thisexp) | |
| 6286 { | |
| 6287 Type t; | |
| 6288 Expressions newargs; | |
| 6289 Expressions arguments = null; | |
| 6290 Expression e; | |
| 6291 Loc loc = this.loc; | |
| 6292 | |
| 6293 nextToken(); | |
| 6294 newargs = null; | |
| 6295 if (token.value == TOKlparen) | |
| 6296 { | |
| 6297 newargs = parseArguments(); | |
| 6298 } | |
| 6299 | |
| 6300 // An anonymous nested class starts with "class" | |
| 6301 if (token.value == TOKclass) | |
| 6302 { | |
| 6303 nextToken(); | |
| 6304 if (token.value == TOKlparen) | |
| 6305 arguments = parseArguments(); | |
| 6306 | |
| 6307 BaseClasses baseclasses = null; | |
| 6308 if (token.value != TOKlcurly) | |
| 6309 baseclasses = parseBaseClasses(); | |
| 6310 | |
| 6311 Identifier id = null; | |
| 6312 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6313 | |
| 6314 if (token.value != TOKlcurly) | |
| 6315 { | |
| 6316 error("{ members } expected for anonymous class"); | |
| 6317 cd.members = null; | |
| 6318 } | |
| 6319 else | |
| 6320 { | |
| 6321 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6322 auto decl = parseDeclDefs(0); |
| 0 | 6323 if (token.value != TOKrcurly) |
| 6324 error("class member expected"); | |
| 6325 nextToken(); | |
| 6326 cd.members = decl; | |
| 6327 } | |
| 6328 | |
| 6329 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6330 | |
| 6331 return e; | |
| 6332 } | |
| 6333 | |
| 6334 t = parseBasicType(); | |
| 6335 t = parseBasicType2(t); | |
| 6336 if (t.ty == Taarray) | |
| 6337 { | |
| 6338 TypeAArray taa = cast(TypeAArray)t; | |
| 6339 Type index = taa.index; | |
| 6340 | |
| 6341 Expression e2 = index.toExpression(); | |
| 6342 if (e2) | |
| 6343 { | |
| 6344 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6345 arguments.push(e2); |
| 0 | 6346 t = new TypeDArray(taa.next); |
| 6347 } | |
| 6348 else | |
| 6349 { | |
| 6350 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6351 return new NullExp(loc); | |
| 6352 } | |
| 6353 } | |
| 6354 else if (t.ty == Tsarray) | |
| 6355 { | |
| 6356 TypeSArray tsa = cast(TypeSArray)t; | |
| 6357 Expression ee = tsa.dim; | |
| 6358 | |
| 6359 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6360 arguments.push(ee); |
| 0 | 6361 t = new TypeDArray(tsa.next); |
| 6362 } | |
| 6363 else if (token.value == TOKlparen) | |
| 6364 { | |
| 6365 arguments = parseArguments(); | |
| 6366 } | |
| 6367 | |
| 6368 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6369 return e; | |
| 6370 } | |
| 6371 | |
| 79 | 6372 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6373 { |
| 6374 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6375 token.lineComment = null; | |
| 6376 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6377 } |