Mercurial > projects > ddmd
annotate dmd/Parser.d @ 132:c494af1dba80
Fixes for dmd 2.037
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Fri, 10 Sep 2010 19:14:09 +0100 |
| parents | 206db751bd4c |
| children | af1bebfd96a4 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Parser; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Lexer; |
| 5 import dmd.PostBlitDeclaration; | |
| 6 import dmd.FileInitExp; | |
| 7 import dmd.LineInitExp; | |
| 8 import dmd.EnumMember; | |
| 9 import dmd.CtorDeclaration; | |
| 10 import dmd.ShlAssignExp; | |
| 11 import dmd.ShrAssignExp; | |
| 12 import dmd.UshrAssignExp; | |
| 13 import dmd.CatAssignExp; | |
| 14 import dmd.StaticIfCondition; | |
| 15 import dmd.TraitsExp; | |
| 13 | 16 import dmd.TemplateMixin; |
| 0 | 17 import dmd.BaseClass; |
| 18 import dmd.AssignExp; | |
| 19 import dmd.TemplateInstance; | |
| 20 import dmd.NewExp; | |
| 21 import dmd.ArrayExp; | |
| 22 import dmd.DotTemplateInstanceExp; | |
| 23 import dmd.ClassDeclaration; | |
| 24 import dmd.NewAnonClassExp; | |
| 25 import dmd.InterfaceDeclaration; | |
| 26 import dmd.StructDeclaration; | |
| 27 import dmd.UnionDeclaration; | |
| 28 import dmd.AnonDeclaration; | |
| 29 import dmd.StructInitializer; | |
| 30 import dmd.ArrayInitializer; | |
| 31 import dmd.ExpInitializer; | |
| 32 import dmd.TemplateAliasParameter; | |
| 33 import dmd.TemplateTupleParameter; | |
| 34 import dmd.TemplateThisParameter; | |
| 35 import dmd.TemplateValueParameter; | |
| 36 import dmd.VoidInitializer; | |
| 37 import dmd.VersionCondition; | |
| 38 import dmd.DotIdExp; | |
| 39 import dmd.DebugCondition; | |
| 40 import dmd.PostExp; | |
| 41 import dmd.CallExp; | |
| 42 import dmd.SliceExp; | |
| 43 import dmd.FuncExp; | |
| 44 import dmd.AssocArrayLiteralExp; | |
| 45 import dmd.ArrayLiteralExp; | |
| 46 import dmd.IsExp; | |
| 47 import dmd.FuncLiteralDeclaration; | |
| 48 import dmd.AssertExp; | |
| 49 import dmd.CompileExp; | |
| 50 import dmd.FileExp; | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
51 import dmd.TemplateMixin; |
| 0 | 52 import dmd.TemplateParameter; |
| 53 import dmd.TemplateTypeParameter; | |
| 54 import dmd.TypeidExp; | |
| 55 import dmd.StringExp; | |
| 56 import dmd.ScopeExp; | |
| 57 import dmd.IdentifierExp; | |
| 58 import dmd.DollarExp; | |
| 59 import dmd.ThisExp; | |
| 60 import dmd.SuperExp; | |
| 61 import dmd.NullExp; | |
| 62 import dmd.RealExp; | |
| 63 import dmd.TypeExp; | |
| 64 import dmd.AddrExp; | |
| 65 import dmd.MOD; | |
| 66 import dmd.IntegerExp; | |
| 67 import dmd.CastExp; | |
| 68 import dmd.PtrExp; | |
| 69 import dmd.NegExp; | |
| 70 import dmd.XorAssignExp; | |
| 71 import dmd.OrAssignExp; | |
| 72 import dmd.UAddExp; | |
| 73 import dmd.NotExp; | |
| 74 import dmd.ComExp; | |
| 75 import dmd.DeleteExp; | |
| 76 import dmd.MulAssignExp; | |
| 77 import dmd.ModAssignExp; | |
| 78 import dmd.MinAssignExp; | |
| 79 import dmd.DivAssignExp; | |
| 80 import dmd.AndAssignExp; | |
| 81 import dmd.AddAssignExp; | |
| 82 import dmd.ModuleDeclaration; | |
| 83 import dmd.CaseRangeStatement; | |
| 84 import dmd.CommaExp; | |
| 85 import dmd.XorExp; | |
| 86 import dmd.CondExp; | |
| 87 import dmd.CmpExp; | |
| 88 import dmd.InExp; | |
| 89 import dmd.OrOrExp; | |
| 90 import dmd.OrExp; | |
| 91 import dmd.AddExp; | |
| 92 import dmd.MinExp; | |
| 93 import dmd.CatExp; | |
| 94 import dmd.AndAndExp; | |
| 95 import dmd.EqualExp; | |
| 96 import dmd.ShlExp; | |
| 97 import dmd.ShrExp; | |
| 98 import dmd.DivExp; | |
| 99 import dmd.MulExp; | |
| 100 import dmd.ModExp; | |
| 101 import dmd.UshrExp; | |
| 102 import dmd.IdentityExp; | |
| 103 import dmd.AndExp; | |
| 104 import dmd.Id; | |
| 105 import dmd.LabelStatement; | |
| 106 import dmd.ExpStatement; | |
| 107 import dmd.StaticAssertStatement; | |
| 108 import dmd.DeclarationStatement; | |
| 109 import dmd.ScopeStatement; | |
| 110 import dmd.PragmaStatement; | |
| 111 import dmd.WhileStatement; | |
| 112 import dmd.DoStatement; | |
| 113 import dmd.ForStatement; | |
| 114 import dmd.OnScopeStatement; | |
| 115 import dmd.IfStatement; | |
| 116 import dmd.SwitchStatement; | |
| 117 import dmd.CaseStatement; | |
| 118 import dmd.DefaultStatement; | |
| 119 import dmd.GotoDefaultStatement; | |
| 120 import dmd.GotoCaseStatement; | |
| 121 import dmd.GotoStatement; | |
| 122 import dmd.SynchronizedStatement; | |
| 123 import dmd.WithStatement; | |
| 124 import dmd.Catch; | |
| 125 import dmd.TryCatchStatement; | |
| 126 import dmd.TryFinallyStatement; | |
| 127 import dmd.ThrowStatement; | |
| 128 import dmd.VolatileStatement; | |
| 129 import dmd.ReturnStatement; | |
| 130 import dmd.BreakStatement; | |
| 131 import dmd.ContinueStatement; | |
| 132 import dmd.AsmStatement; | |
| 133 import dmd.TypeReturn; | |
| 134 import dmd.TypeTypeof; | |
| 135 import dmd.ForeachRangeStatement; | |
| 136 import dmd.ForeachStatement; | |
| 137 import dmd.CompileStatement; | |
| 138 import dmd.CompoundStatement; | |
| 139 import dmd.ConditionalStatement; | |
| 140 import dmd.CompoundDeclarationStatement; | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
141 import dmd.Parameter; |
| 0 | 142 import dmd.ParseStatementFlags; |
| 79 | 143 import dmd.TypeNewArray; |
| 0 | 144 import dmd.TypeNext; |
| 145 import dmd.TypeInstance; | |
| 146 import dmd.TypePointer; | |
| 147 import dmd.TypeDArray; | |
| 148 import dmd.TypeAArray; | |
| 149 import dmd.TypeSlice; | |
| 150 import dmd.TypeSArray; | |
| 151 import dmd.TemplateInstance; | |
| 152 import dmd.TypeIdentifier; | |
| 153 import dmd.VarDeclaration; | |
| 154 import dmd.TypeFunction; | |
| 155 import dmd.TypeDelegate; | |
| 156 import dmd.TY; | |
| 157 import dmd.LinkDeclaration; | |
| 158 import dmd.Declaration; | |
| 159 import dmd.AggregateDeclaration; | |
| 160 import dmd.TypedefDeclaration; | |
| 161 import dmd.AliasDeclaration; | |
| 162 import dmd.LINK; | |
| 163 import dmd.Loc; | |
| 164 import dmd.Module; | |
| 165 import dmd.Array; | |
| 166 import dmd.Expression; | |
| 167 import dmd.TemplateDeclaration; | |
| 168 import dmd.ArrayTypes; | |
| 169 import dmd.Dsymbol; | |
| 170 import dmd.StaticAssert; | |
| 171 import dmd.TypeQualified; | |
| 172 import dmd.Condition; | |
| 173 import dmd.PostBlitDeclaration; | |
| 174 import dmd.DtorDeclaration; | |
| 175 import dmd.ConditionalDeclaration; | |
| 176 import dmd.StaticCtorDeclaration; | |
| 177 import dmd.StaticDtorDeclaration; | |
| 178 import dmd.InvariantDeclaration; | |
| 179 import dmd.UnitTestDeclaration; | |
| 180 import dmd.NewDeclaration; | |
| 181 import dmd.DeleteDeclaration; | |
| 182 import dmd.EnumDeclaration; | |
| 183 import dmd.Import; | |
| 184 import dmd.Type; | |
| 185 import dmd.Identifier; | |
| 186 import dmd.FuncDeclaration; | |
| 187 import dmd.Statement; | |
| 188 import dmd.Initializer; | |
| 189 import dmd.Token; | |
| 190 import dmd.TOK; | |
| 191 import dmd.ParseStatementFlags; | |
| 192 import dmd.PROT; | |
| 193 import dmd.STC; | |
| 194 import dmd.Util; | |
| 195 import dmd.CompileDeclaration; | |
| 196 import dmd.StaticIfDeclaration; | |
| 197 import dmd.StorageClassDeclaration; | |
| 198 import dmd.LinkDeclaration; | |
| 199 import dmd.ProtDeclaration; | |
| 200 import dmd.AlignDeclaration; | |
| 201 import dmd.PragmaDeclaration; | |
| 202 import dmd.DebugSymbol; | |
| 203 import dmd.VersionSymbol; | |
| 204 import dmd.AliasThis; | |
| 205 import dmd.Global; | |
|
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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206 import dmd.TRUST; |
|
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
207 import dmd.PowExp; |
| 0 | 208 |
| 209 import core.stdc.string : memcpy; | |
| 210 | |
| 34 | 211 import std.exception; |
| 4 | 212 import core.memory; |
| 0 | 213 |
| 214 class Parser : Lexer | |
| 215 { | |
| 216 ModuleDeclaration md; | |
| 217 LINK linkage; | |
| 218 Loc endloc; // set to location of last right curly | |
| 219 int inBrackets; // inside [] of array index or slice | |
| 220 | |
| 221 this(Module module_, ubyte* base, uint length, int doDocComment) | |
| 222 { | |
| 223 super(module_, base, 0, length, doDocComment, 0); | |
| 224 //printf("Parser.Parser()\n"); | |
| 225 linkage = LINK.LINKd; | |
| 226 //nextToken(); // start up the scanner | |
| 227 } | |
| 228 | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
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229 Dsymbols parseModule() |
| 0 | 230 { |
|
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Switch Arrays of Dsymbols to the new templated Vector type
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parents:
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diff
changeset
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231 typeof(return) decldefs; |
| 0 | 232 |
| 233 // ModuleDeclation leads off | |
| 234 if (token.value == TOK.TOKmodule) | |
| 235 { | |
| 79 | 236 string comment = token.blockComment; |
| 0 | 237 bool safe = false; |
| 238 | |
| 239 nextToken(); | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
240 static if(false) { |
| 0 | 241 version (DMDV2) { |
| 242 if (token.value == TOK.TOKlparen) | |
| 243 { | |
| 244 nextToken(); | |
| 245 if (token.value != TOK.TOKidentifier) | |
| 246 { | |
| 247 error("module (system) identifier expected"); | |
| 248 goto Lerr; | |
| 249 } | |
| 250 Identifier id = token.ident; | |
| 251 | |
| 252 if (id is Id.system) | |
| 253 safe = true; | |
| 254 else | |
| 255 error("(safe) expected, not %s", id.toChars()); | |
| 256 nextToken(); | |
| 257 check(TOK.TOKrparen); | |
| 258 } | |
| 259 } | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
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260 } |
| 0 | 261 |
| 262 if (token.value != TOK.TOKidentifier) | |
| 263 { | |
| 264 error("Identifier expected following module"); | |
| 265 goto Lerr; | |
| 266 } | |
| 267 else | |
| 268 { | |
|
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Some more Array -> Vector conversions
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269 Identifiers a = null; |
| 0 | 270 Identifier id = token.ident; |
| 271 while (nextToken() == TOK.TOKdot) | |
| 272 { | |
| 273 if (!a) | |
|
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Some more Array -> Vector conversions
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parents:
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274 a = new Identifiers(); |
|
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Some more Array -> Vector conversions
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
275 a.push(id); |
| 0 | 276 nextToken(); |
| 277 if (token.value != TOK.TOKidentifier) | |
| 278 { error("Identifier expected following package"); | |
| 279 goto Lerr; | |
| 280 } | |
| 281 id = token.ident; | |
| 282 } | |
| 283 | |
| 284 md = new ModuleDeclaration(a, id, safe); | |
| 285 | |
| 286 if (token.value != TOK.TOKsemicolon) | |
| 287 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 288 | |
| 289 nextToken(); | |
| 290 addComment(mod, comment); | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 decldefs = parseDeclDefs(0); | |
| 295 if (token.value != TOK.TOKeof) | |
| 296 { | |
| 297 error("unrecognized declaration"); | |
| 298 goto Lerr; | |
| 299 } | |
| 300 | |
| 301 return decldefs; | |
| 302 | |
| 303 Lerr: | |
| 304 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 305 nextToken(); | |
| 306 | |
| 307 nextToken(); | |
|
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
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308 return new Dsymbols(); |
| 0 | 309 } |
| 310 | |
|
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
|
311 Dsymbols parseDeclDefs(int once) |
| 0 | 312 { |
| 313 Dsymbol s; | |
|
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
|
314 Dsymbols decldefs; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
315 Dsymbols a; |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
316 Dsymbols aelse; |
| 0 | 317 PROT prot; |
|
131
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
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318 StorageClass stc; |
|
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
319 StorageClass storageClass; |
| 0 | 320 Condition condition; |
| 79 | 321 string comment; |
| 0 | 322 |
| 323 //printf("Parser.parseDeclDefs()\n"); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
324 decldefs = new Dsymbols(); |
| 0 | 325 do |
| 326 { | |
| 327 comment = token.blockComment; | |
| 328 storageClass = STC.STCundefined; | |
| 329 switch (token.value) | |
| 330 { | |
| 331 case TOK.TOKenum: | |
| 332 { /* Determine if this is a manifest constant declaration, | |
| 333 * or a conventional enum. | |
| 334 */ | |
| 335 Token *t = peek(&token); | |
| 336 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon) | |
| 337 s = parseEnum(); | |
| 338 else if (t.value != TOK.TOKidentifier) | |
| 339 goto Ldeclaration; | |
| 340 else | |
| 341 { | |
| 342 t = peek(t); | |
| 343 if (t.value == TOK.TOKlcurly || t.value == TOK.TOKcolon || | |
| 344 t.value == TOK.TOKsemicolon) | |
| 345 s = parseEnum(); | |
| 346 else | |
| 347 goto Ldeclaration; | |
| 348 } | |
| 349 break; | |
| 350 } | |
| 351 | |
| 352 case TOK.TOKstruct: | |
| 353 case TOK.TOKunion: | |
| 354 case TOK.TOKclass: | |
| 355 case TOK.TOKinterface: | |
| 356 s = parseAggregate(); | |
| 357 break; | |
| 358 | |
| 359 case TOK.TOKimport: | |
| 360 s = parseImport(decldefs, 0); | |
| 361 break; | |
| 362 | |
| 363 case TOK.TOKtemplate: | |
| 364 s = cast(Dsymbol)parseTemplateDeclaration(); | |
| 365 break; | |
| 366 | |
| 367 case TOK.TOKmixin: | |
| 368 { Loc loc = this.loc; | |
| 369 if (peek(&token).value == TOK.TOKlparen) | |
| 370 { // mixin(string) | |
| 371 nextToken(); | |
| 372 check(TOK.TOKlparen, "mixin"); | |
| 373 Expression e = parseAssignExp(); | |
| 374 check(TOK.TOKrparen); | |
| 375 check(TOK.TOKsemicolon); | |
| 376 s = new CompileDeclaration(loc, e); | |
| 377 break; | |
| 378 } | |
| 379 s = parseMixin(); | |
| 380 break; | |
| 381 } | |
| 382 | |
| 383 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 384 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 385 case TOK.TOKint8: case TOK.TOKuns8: | |
| 386 case TOK.TOKint16: case TOK.TOKuns16: | |
| 387 case TOK.TOKint32: case TOK.TOKuns32: | |
| 388 case TOK.TOKint64: case TOK.TOKuns64: | |
| 389 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 390 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 391 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 392 case TOK.TOKvoid: | |
| 393 case TOK.TOKalias: | |
| 394 case TOK.TOKtypedef: | |
| 395 case TOK.TOKidentifier: | |
| 396 case TOK.TOKtypeof: | |
| 397 case TOK.TOKdot: | |
| 398 Ldeclaration: | |
| 399 a = parseDeclarations(STC.STCundefined); | |
| 400 decldefs.append(a); | |
| 401 continue; | |
| 402 | |
| 403 case TOK.TOKthis: | |
| 404 s = parseCtor(); | |
| 405 break; | |
| 406 | |
| 407 static if (false) { // dead end, use this(this){} instead | |
| 408 case TOK.TOKassign: | |
| 409 s = parsePostBlit(); | |
| 410 break; | |
| 411 } | |
| 412 case TOK.TOKtilde: | |
| 413 s = parseDtor(); | |
| 414 break; | |
| 415 | |
| 416 case TOK.TOKinvariant: | |
| 417 { Token *t; | |
| 418 t = peek(&token); | |
| 419 if (t.value == TOK.TOKlparen) | |
| 420 { | |
| 421 if (peek(t).value == TOK.TOKrparen) | |
| 422 // invariant() forms start of class invariant | |
| 423 s = parseInvariant(); | |
| 424 else | |
| 425 // invariant(type) | |
| 426 goto Ldeclaration; | |
| 427 } | |
| 428 else | |
| 429 { | |
| 430 stc = STC.STCimmutable; | |
| 431 goto Lstc; | |
| 432 } | |
| 433 break; | |
| 434 } | |
| 435 | |
| 436 case TOK.TOKunittest: | |
| 437 s = parseUnitTest(); | |
| 438 break; | |
| 439 | |
| 440 case TOK.TOKnew: | |
| 441 s = parseNew(); | |
| 442 break; | |
| 443 | |
| 444 case TOK.TOKdelete: | |
| 445 s = parseDelete(); | |
| 446 break; | |
| 447 | |
| 448 case TOK.TOKeof: | |
| 449 case TOK.TOKrcurly: | |
| 450 return decldefs; | |
| 451 | |
| 452 case TOK.TOKstatic: | |
| 453 nextToken(); | |
| 454 if (token.value == TOK.TOKthis) | |
| 455 s = parseStaticCtor(); | |
| 456 else if (token.value == TOK.TOKtilde) | |
| 457 s = parseStaticDtor(); | |
| 458 else if (token.value == TOK.TOKassert) | |
| 459 s = parseStaticAssert(); | |
| 460 else if (token.value == TOK.TOKif) | |
| 461 { condition = parseStaticIfCondition(); | |
| 462 a = parseBlock(); | |
| 463 aelse = null; | |
| 464 if (token.value == TOK.TOKelse) | |
| 465 { nextToken(); | |
| 466 aelse = parseBlock(); | |
| 467 } | |
| 468 s = new StaticIfDeclaration(condition, a, aelse); | |
| 469 break; | |
| 470 } | |
| 471 else if (token.value == TOK.TOKimport) | |
| 472 { | |
| 473 s = parseImport(decldefs, 1); | |
| 474 } | |
| 475 else | |
| 476 { stc = STC.STCstatic; | |
| 477 goto Lstc2; | |
| 478 } | |
| 479 break; | |
| 480 | |
| 481 case TOK.TOKconst: | |
| 482 if (peek(&token).value == TOK.TOKlparen) | |
| 483 goto Ldeclaration; | |
| 484 stc = STC.STCconst; | |
| 485 goto Lstc; | |
| 486 | |
| 487 case TOK.TOKimmutable: | |
| 488 if (peek(&token).value == TOK.TOKlparen) | |
| 489 goto Ldeclaration; | |
| 490 stc = STC.STCimmutable; | |
| 491 goto Lstc; | |
| 492 | |
| 493 case TOK.TOKshared: | |
| 494 if (peek(&token).value == TOK.TOKlparen) | |
| 495 goto Ldeclaration; | |
| 496 stc = STC.STCshared; | |
| 497 goto Lstc; | |
| 498 | |
| 499 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 500 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 501 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 502 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 503 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 504 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 505 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 506 version (DMDV2) { | |
| 507 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 508 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 509 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 510 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 511 case TOK.TOKgshared: | |
| 512 stc = STC.STCgshared; goto Lstc; | |
| 513 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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514 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 515 } |
| 516 | |
| 517 Lstc: | |
| 518 if (storageClass & stc) | |
| 519 error("redundant storage class %s", Token.toChars(token.value)); | |
| 520 composeStorageClass(storageClass | stc); | |
| 521 nextToken(); | |
| 522 Lstc2: | |
| 523 storageClass |= stc; | |
| 524 switch (token.value) | |
| 525 { | |
| 526 case TOK.TOKconst: | |
| 527 case TOK.TOKinvariant: | |
| 528 case TOK.TOKimmutable: | |
| 529 case TOK.TOKshared: | |
| 530 // If followed by a (, it is not a storage class | |
| 531 if (peek(&token).value == TOK.TOKlparen) | |
| 532 break; | |
| 533 if (token.value == TOK.TOKconst) | |
| 534 stc = STC.STCconst; | |
| 535 else if (token.value == TOK.TOKshared) | |
| 536 stc = STC.STCshared; | |
| 537 else | |
| 538 stc = STC.STCimmutable; | |
| 539 goto Lstc; | |
| 540 case TOK.TOKfinal: stc = STC.STCfinal; goto Lstc; | |
| 541 case TOK.TOKauto: stc = STC.STCauto; goto Lstc; | |
| 542 case TOK.TOKscope: stc = STC.STCscope; goto Lstc; | |
| 543 case TOK.TOKoverride: stc = STC.STCoverride; goto Lstc; | |
| 544 case TOK.TOKabstract: stc = STC.STCabstract; goto Lstc; | |
| 545 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto Lstc; | |
| 546 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto Lstc; | |
| 547 case TOK.TOKnothrow: stc = STC.STCnothrow; goto Lstc; | |
| 548 case TOK.TOKpure: stc = STC.STCpure; goto Lstc; | |
| 549 case TOK.TOKref: stc = STC.STCref; goto Lstc; | |
| 550 case TOK.TOKtls: stc = STC.STCtls; goto Lstc; | |
| 551 case TOK.TOKgshared: stc = STC.STCgshared; goto Lstc; | |
| 552 //case TOK.TOKmanifest: stc = STC.STCmanifest; goto Lstc; | |
|
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553 case TOK.TOKat: stc = parseAttribute(); goto Lstc; |
| 0 | 554 default: |
| 555 break; | |
| 556 } | |
| 557 | |
| 558 /* Look for auto initializers: | |
| 559 * storage_class identifier = initializer; | |
| 560 */ | |
| 561 if (token.value == TOK.TOKidentifier && | |
| 562 peek(&token).value == TOK.TOKassign) | |
| 563 { | |
| 564 a = parseAutoDeclarations(storageClass, comment); | |
| 565 decldefs.append(a); | |
| 566 continue; | |
| 567 } | |
| 568 | |
| 569 /* Look for return type inference for template functions. | |
| 570 */ | |
| 571 Token *tk; | |
| 572 if (token.value == TOK.TOKidentifier && | |
| 573 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 574 skipParens(tk, &tk) && | |
| 575 (peek(tk).value == TOK.TOKlparen || | |
| 576 peek(tk).value == TOK.TOKlcurly) | |
| 577 ) | |
| 578 { | |
| 579 a = parseDeclarations(storageClass); | |
| 580 decldefs.append(a); | |
| 581 continue; | |
| 582 } | |
| 583 a = parseBlock(); | |
| 584 s = new StorageClassDeclaration(storageClass, a); | |
| 585 break; | |
| 586 | |
| 587 case TOK.TOKextern: | |
| 588 if (peek(&token).value != TOK.TOKlparen) | |
| 589 { | |
| 590 stc = STC.STCextern; | |
| 591 goto Lstc; | |
| 592 } | |
| 593 { | |
| 594 LINK linksave = linkage; | |
| 595 linkage = parseLinkage(); | |
| 596 a = parseBlock(); | |
| 597 s = new LinkDeclaration(linkage, a); | |
| 598 linkage = linksave; | |
| 599 break; | |
| 600 } | |
| 601 | |
| 602 case TOK.TOKprivate: prot = PROT.PROTprivate; goto Lprot; | |
| 603 case TOK.TOKpackage: prot = PROT.PROTpackage; goto Lprot; | |
| 604 case TOK.TOKprotected: prot = PROT.PROTprotected; goto Lprot; | |
| 605 case TOK.TOKpublic: prot = PROT.PROTpublic; goto Lprot; | |
| 606 case TOK.TOKexport: prot = PROT.PROTexport; goto Lprot; | |
| 607 Lprot: | |
| 608 nextToken(); | |
| 609 switch (token.value) | |
| 610 { | |
| 611 case TOK.TOKprivate: | |
| 612 case TOK.TOKpackage: | |
| 613 case TOK.TOKprotected: | |
| 614 case TOK.TOKpublic: | |
| 615 case TOK.TOKexport: | |
| 616 error("redundant protection attribute"); | |
| 617 break; | |
| 618 default: | |
| 619 break; | |
| 620 } | |
| 621 a = parseBlock(); | |
| 622 s = new ProtDeclaration(prot, a); | |
| 623 break; | |
| 624 | |
| 625 case TOK.TOKalign: | |
| 626 { uint n; | |
| 627 | |
| 628 s = null; | |
| 629 nextToken(); | |
| 630 if (token.value == TOK.TOKlparen) | |
| 631 { | |
| 632 nextToken(); | |
| 633 if (token.value == TOK.TOKint32v) | |
| 634 n = cast(uint)token.uns64value; | |
| 635 else | |
| 636 { error("integer expected, not %s", token.toChars()); | |
| 637 n = 1; | |
| 638 } | |
| 639 nextToken(); | |
| 640 check(TOK.TOKrparen); | |
| 641 } | |
| 642 else | |
| 643 n = global.structalign; // default | |
| 644 | |
| 645 a = parseBlock(); | |
| 646 s = new AlignDeclaration(n, a); | |
| 647 break; | |
| 648 } | |
| 649 | |
| 650 case TOK.TOKpragma: | |
| 651 { Identifier ident; | |
| 652 Expressions args = null; | |
| 653 | |
| 654 nextToken(); | |
| 655 check(TOK.TOKlparen); | |
| 656 if (token.value != TOK.TOKidentifier) | |
| 657 { error("pragma(identifier expected"); | |
| 658 goto Lerror; | |
| 659 } | |
| 660 ident = token.ident; | |
| 661 nextToken(); | |
| 662 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 663 args = parseArguments(); // pragma(identifier, args...) | |
| 664 else | |
| 665 check(TOK.TOKrparen); // pragma(identifier) | |
| 666 | |
| 667 if (token.value == TOK.TOKsemicolon) | |
| 668 a = null; | |
| 669 else | |
| 670 a = parseBlock(); | |
| 671 s = new PragmaDeclaration(loc, ident, args, a); | |
| 672 break; | |
| 673 } | |
| 674 | |
| 675 case TOK.TOKdebug: | |
| 676 nextToken(); | |
| 677 if (token.value == TOK.TOKassign) | |
| 678 { | |
| 679 nextToken(); | |
| 680 if (token.value == TOK.TOKidentifier) | |
| 681 s = new DebugSymbol(loc, token.ident); | |
| 682 else if (token.value == TOK.TOKint32v) | |
| 683 s = new DebugSymbol(loc, cast(uint)token.uns64value); | |
| 684 else | |
| 685 { error("identifier or integer expected, not %s", token.toChars()); | |
| 686 s = null; | |
| 687 } | |
| 688 nextToken(); | |
| 689 if (token.value != TOK.TOKsemicolon) | |
| 690 error("semicolon expected"); | |
| 691 nextToken(); | |
| 692 break; | |
| 693 } | |
| 694 | |
| 695 condition = parseDebugCondition(); | |
| 696 goto Lcondition; | |
| 697 | |
| 698 case TOK.TOKversion: | |
| 699 nextToken(); | |
| 700 if (token.value == TOK.TOKassign) | |
| 701 { | |
| 702 nextToken(); | |
| 703 if (token.value == TOK.TOKidentifier) | |
| 704 s = new VersionSymbol(loc, token.ident); | |
| 705 else if (token.value == TOK.TOKint32v) | |
| 706 s = new VersionSymbol(loc, cast(uint)token.uns64value); | |
| 707 else | |
| 708 { error("identifier or integer expected, not %s", token.toChars()); | |
| 709 s = null; | |
| 710 } | |
| 711 nextToken(); | |
| 712 if (token.value != TOK.TOKsemicolon) | |
| 713 error("semicolon expected"); | |
| 714 nextToken(); | |
| 715 break; | |
| 716 } | |
| 717 condition = parseVersionCondition(); | |
| 718 goto Lcondition; | |
| 719 | |
| 720 Lcondition: | |
| 721 a = parseBlock(); | |
| 722 aelse = null; | |
| 723 if (token.value == TOK.TOKelse) | |
| 724 { nextToken(); | |
| 725 aelse = parseBlock(); | |
| 726 } | |
| 727 s = new ConditionalDeclaration(condition, a, aelse); | |
| 728 break; | |
| 729 | |
| 730 case TOK.TOKsemicolon: // empty declaration | |
| 731 nextToken(); | |
| 732 continue; | |
| 733 | |
| 734 default: | |
| 735 error("Declaration expected, not '%s'",token.toChars()); | |
| 736 Lerror: | |
| 737 while (token.value != TOK.TOKsemicolon && token.value != TOK.TOKeof) | |
| 738 nextToken(); | |
| 739 nextToken(); | |
| 740 s = null; | |
| 741 continue; | |
| 742 } | |
| 743 if (s) | |
|
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744 { decldefs.push(s); |
| 0 | 745 addComment(s, comment); |
| 746 } | |
| 747 } while (!once); | |
| 748 return decldefs; | |
| 749 } | |
| 750 | |
| 751 /***************************************** | |
| 752 * Parse auto declarations of the form: | |
| 753 * storageClass ident = init, ident = init, ... ; | |
| 754 * and return the array of them. | |
| 755 * Starts with token on the first ident. | |
| 756 * Ends with scanner past closing ';' | |
| 757 */ | |
| 79 | 758 version (DMDV2) |
| 759 { | |
|
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760 Dsymbols parseAutoDeclarations(StorageClass storageClass, const(char)[] comment) |
| 0 | 761 { |
|
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762 auto a = new Dsymbols; |
| 0 | 763 |
| 764 while (true) | |
| 765 { | |
| 766 Identifier ident = token.ident; | |
| 767 nextToken(); // skip over ident | |
| 768 assert(token.value == TOKassign); | |
| 769 nextToken(); // skip over '=' | |
| 770 Initializer init = parseInitializer(); | |
|
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771 auto v = new VarDeclaration(loc, null, ident, init); |
| 0 | 772 v.storage_class = storageClass; |
|
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773 a.push(v); |
| 0 | 774 if (token.value == TOKsemicolon) |
| 775 { | |
| 776 nextToken(); | |
| 777 addComment(v, comment); | |
| 778 } | |
| 779 else if (token.value == TOKcomma) | |
| 780 { | |
| 781 nextToken(); | |
| 782 if (token.value == TOKidentifier && | |
| 783 peek(&token).value == TOKassign) | |
| 784 { | |
| 785 addComment(v, comment); | |
| 786 continue; | |
| 787 } | |
| 788 else | |
| 789 error("Identifier expected following comma"); | |
| 790 } | |
| 791 else | |
| 792 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 793 break; | |
| 794 } | |
| 795 return a; | |
| 796 } | |
| 797 } | |
| 798 /******************************************** | |
| 799 * Parse declarations after an align, protection, or extern decl. | |
| 800 */ | |
|
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801 Dsymbols parseBlock() |
| 0 | 802 { |
|
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803 Dsymbols a = null; |
| 0 | 804 Dsymbol ss; |
| 805 | |
| 806 //printf("parseBlock()\n"); | |
| 807 switch (token.value) | |
| 808 { | |
| 809 case TOK.TOKsemicolon: | |
| 810 error("declaration expected following attribute, not ';'"); | |
| 811 nextToken(); | |
| 812 break; | |
| 813 | |
| 814 case TOK.TOKeof: | |
| 815 error("declaration expected following attribute, not EOF"); | |
| 816 break; | |
| 817 | |
| 818 case TOK.TOKlcurly: | |
| 819 nextToken(); | |
| 820 a = parseDeclDefs(0); | |
| 821 if (token.value != TOK.TOKrcurly) | |
| 822 { /* { */ | |
| 823 error("matching '}' expected, not %s", token.toChars()); | |
| 824 } | |
| 825 else | |
| 826 nextToken(); | |
| 827 break; | |
| 828 | |
| 829 case TOK.TOKcolon: | |
| 830 nextToken(); | |
| 831 static if (false) { | |
| 832 a = null; | |
| 833 } else { | |
| 834 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 835 } | |
| 836 break; | |
| 837 | |
| 838 default: | |
| 839 a = parseDeclDefs(1); | |
| 840 break; | |
| 841 } | |
| 842 return a; | |
| 843 } | |
|
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844 version(DMDV2) { |
|
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845 void composeStorageClass(StorageClass stc) |
| 0 | 846 { |
|
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847 StorageClass u = stc; |
| 0 | 848 u &= STC.STCconst | STC.STCimmutable | STC.STCmanifest; |
| 849 if (u & (u - 1)) | |
| 850 error("conflicting storage class %s", Token.toChars(token.value)); | |
| 851 | |
| 852 u = stc; | |
| 853 u &= STC.STCgshared | STC.STCshared | STC.STCtls; | |
| 854 if (u & (u - 1)) | |
| 855 error("conflicting storage class %s", Token.toChars(token.value)); | |
|
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856 u = stc; |
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857 u &= STCsafe | STCsystem | STCtrusted; |
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858 if (u & (u - 1)) |
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859 error("conflicting attribute @%s", token.toChars()); |
| 0 | 860 } |
|
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861 } |
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862 |
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863 /*********************************************** |
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864 * Parse storage class, lexer is on '@' |
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865 */ |
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866 |
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867 version(DMDV2) { |
|
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868 StorageClass parseAttribute() |
|
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869 { |
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870 nextToken(); |
|
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871 StorageClass stc = STCundefined; |
|
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872 if (token.value != TOKidentifier) |
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873 { |
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874 error("identifier expected after @, not %s", token.toChars()); |
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875 } |
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876 else if (token.ident == Id.property) |
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877 stc = STCproperty; |
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878 else if (token.ident == Id.safe) |
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879 stc = STCsafe; |
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880 else if (token.ident == Id.trusted) |
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881 stc = STCtrusted; |
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882 else if (token.ident == Id.system) |
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883 stc = STCsystem; |
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884 else |
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885 error("valid attribute identifiers are @property, @safe, @trusted, @system, not @%s", token.toChars()); |
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886 return stc; |
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887 } |
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888 } |
| 0 | 889 /************************************** |
| 890 * Parse constraint. | |
| 891 * Constraint is of the form: | |
| 892 * if ( ConstraintExpression ) | |
| 893 */ | |
| 894 version (DMDV2) { | |
| 895 Expression parseConstraint() | |
| 896 { | |
| 897 Expression e = null; | |
| 898 | |
| 899 if (token.value == TOKif) | |
| 900 { | |
| 901 nextToken(); // skip over 'if' | |
| 902 check(TOKlparen); | |
| 903 e = parseExpression(); | |
| 904 check(TOKrparen); | |
| 905 } | |
| 906 return e; | |
| 907 } | |
| 908 } | |
| 909 /************************************** | |
| 910 * Parse a TemplateDeclaration. | |
| 911 */ | |
| 912 TemplateDeclaration parseTemplateDeclaration() | |
| 913 { | |
| 914 TemplateDeclaration tempdecl; | |
| 915 Identifier id; | |
| 916 TemplateParameters tpl; | |
|
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|
917 Dsymbols decldefs; |
| 0 | 918 Expression constraint = null; |
| 919 Loc loc = this.loc; | |
| 920 | |
| 921 nextToken(); | |
| 922 if (token.value != TOKidentifier) | |
| 923 { | |
| 924 error("TemplateIdentifier expected following template"); | |
| 925 goto Lerr; | |
| 926 } | |
| 927 id = token.ident; | |
| 928 nextToken(); | |
| 929 tpl = parseTemplateParameterList(); | |
| 930 if (!tpl) | |
| 931 goto Lerr; | |
| 932 | |
| 933 constraint = parseConstraint(); | |
| 934 | |
| 935 if (token.value != TOKlcurly) | |
| 936 { | |
| 937 error("members of template declaration expected"); | |
| 938 goto Lerr; | |
| 939 } | |
| 940 else | |
| 941 { | |
| 942 nextToken(); | |
| 943 decldefs = parseDeclDefs(0); | |
| 944 if (token.value != TOKrcurly) | |
| 945 { | |
| 946 error("template member expected"); | |
| 947 goto Lerr; | |
| 948 } | |
| 949 nextToken(); | |
| 950 } | |
| 951 | |
| 952 tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); | |
| 953 return tempdecl; | |
| 954 | |
| 955 Lerr: | |
| 956 return null; | |
| 957 } | |
| 958 | |
| 959 /****************************************** | |
| 960 * Parse template parameter list. | |
| 961 * Input: | |
| 962 * flag 0: parsing "( list )" | |
| 963 * 1: parsing non-empty "list )" | |
| 964 */ | |
| 965 TemplateParameters parseTemplateParameterList(int flag = 0) | |
| 966 { | |
| 967 TemplateParameters tpl = new TemplateParameters(); | |
| 968 | |
| 969 if (!flag && token.value != TOKlparen) | |
| 970 { | |
| 971 error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 972 goto Lerr; | |
| 973 } | |
| 974 nextToken(); | |
| 975 | |
| 976 // Get array of TemplateParameters | |
| 977 if (flag || token.value != TOKrparen) | |
| 978 { | |
| 979 int isvariadic = 0; | |
| 980 | |
| 981 while (true) | |
| 982 { | |
| 983 TemplateParameter tp; | |
| 984 Identifier tp_ident = null; | |
| 985 Type tp_spectype = null; | |
| 986 Type tp_valtype = null; | |
| 987 Type tp_defaulttype = null; | |
| 988 Expression tp_specvalue = null; | |
| 989 Expression tp_defaultvalue = null; | |
| 990 Token* t; | |
| 991 | |
| 992 // Get TemplateParameter | |
| 993 | |
| 994 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 995 t = peek(&token); | |
| 996 if (token.value == TOKalias) | |
| 997 { | |
| 998 // AliasParameter | |
| 999 nextToken(); | |
| 1000 Type spectype = null; | |
| 1001 if (isDeclaration(&token, 2, TOKreserved, null)) | |
| 1002 { | |
| 1003 spectype = parseType(&tp_ident); | |
| 1004 } | |
| 1005 else | |
| 1006 { | |
| 1007 if (token.value != TOKidentifier) | |
| 1008 { | |
| 1009 error("identifier expected for template alias parameter"); | |
| 1010 goto Lerr; | |
| 1011 } | |
| 1012 tp_ident = token.ident; | |
| 1013 nextToken(); | |
| 1014 } | |
| 1015 Object spec = null; | |
| 1016 if (token.value == TOKcolon) // : Type | |
| 1017 { | |
| 1018 nextToken(); | |
| 1019 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1020 spec = parseType(); | |
| 1021 else | |
| 1022 spec = parseCondExp(); | |
| 1023 } | |
| 1024 Object def = null; | |
| 1025 if (token.value == TOKassign) // = Type | |
| 1026 { | |
| 1027 nextToken(); | |
| 1028 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1029 def = parseType(); | |
| 1030 else | |
| 1031 def = parseCondExp(); | |
| 1032 } | |
| 1033 tp = new TemplateAliasParameter(loc, tp_ident, spectype, spec, def); | |
| 1034 } | |
| 1035 else if (t.value == TOKcolon || t.value == TOKassign || | |
| 1036 t.value == TOKcomma || t.value == TOKrparen) | |
| 1037 { // TypeParameter | |
| 1038 if (token.value != TOKidentifier) | |
| 1039 { error("identifier expected for template type parameter"); | |
| 1040 goto Lerr; | |
| 1041 } | |
| 1042 tp_ident = token.ident; | |
| 1043 nextToken(); | |
| 1044 if (token.value == TOKcolon) // : Type | |
| 1045 { | |
| 1046 nextToken(); | |
| 1047 tp_spectype = parseType(); | |
| 1048 } | |
| 1049 if (token.value == TOKassign) // = Type | |
| 1050 { | |
| 1051 nextToken(); | |
| 1052 tp_defaulttype = parseType(); | |
| 1053 } | |
| 1054 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1055 } | |
| 1056 else if (token.value == TOKidentifier && t.value == TOKdotdotdot) | |
| 1057 { // ident... | |
| 1058 if (isvariadic) | |
| 1059 error("variadic template parameter must be last"); | |
| 1060 isvariadic = 1; | |
| 1061 tp_ident = token.ident; | |
| 1062 nextToken(); | |
| 1063 nextToken(); | |
| 1064 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1065 } | |
| 1066 /// version (DMDV2) { | |
| 1067 else if (token.value == TOKthis) | |
| 1068 { // ThisParameter | |
| 1069 nextToken(); | |
| 1070 if (token.value != TOKidentifier) | |
| 1071 { error("identifier expected for template this parameter"); | |
| 1072 goto Lerr; | |
| 1073 } | |
| 1074 tp_ident = token.ident; | |
| 1075 nextToken(); | |
| 1076 if (token.value == TOKcolon) // : Type | |
| 1077 { | |
| 1078 nextToken(); | |
| 1079 tp_spectype = parseType(); | |
| 1080 } | |
| 1081 if (token.value == TOKassign) // = Type | |
| 1082 { | |
| 1083 nextToken(); | |
| 1084 tp_defaulttype = parseType(); | |
| 1085 } | |
| 1086 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1087 } | |
| 1088 /// } | |
| 1089 else | |
| 1090 { // ValueParameter | |
| 1091 tp_valtype = parseType(&tp_ident); | |
| 1092 if (!tp_ident) | |
| 1093 { | |
| 1094 error("identifier expected for template value parameter"); | |
| 1095 tp_ident = new Identifier("error", TOKidentifier); | |
| 1096 } | |
| 1097 if (token.value == TOKcolon) // : CondExpression | |
| 1098 { | |
| 1099 nextToken(); | |
| 1100 tp_specvalue = parseCondExp(); | |
| 1101 } | |
| 1102 if (token.value == TOKassign) // = CondExpression | |
| 1103 { | |
| 1104 nextToken(); | |
| 1105 tp_defaultvalue = parseDefaultInitExp(); | |
| 1106 } | |
| 1107 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1108 } | |
|
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|
1109 tpl.push(tp); |
| 0 | 1110 if (token.value != TOKcomma) |
| 1111 break; | |
| 1112 nextToken(); | |
| 1113 } | |
| 1114 } | |
| 1115 check(TOKrparen); | |
| 1116 | |
| 1117 Lerr: | |
| 1118 return tpl; | |
| 1119 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
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diff
changeset
|
1120 |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1121 /****************************************** |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1122 * Parse template mixin. |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1123 * mixin Foo; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1124 * mixin Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1125 * mixin a.b.c!(args).Foo!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1126 * mixin Foo!(args) identifier; |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
changeset
|
1127 * mixin typeof(expr).identifier!(args); |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1128 */ |
|
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
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diff
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|
1129 |
| 0 | 1130 Dsymbol parseMixin() |
| 1131 { | |
| 13 | 1132 TemplateMixin tm; |
| 1133 Identifier id; | |
| 1134 Type tqual; | |
| 1135 Objects tiargs; | |
| 1136 Array idents; | |
| 1137 | |
| 1138 //printf("parseMixin()\n"); | |
| 1139 nextToken(); | |
| 1140 tqual = null; | |
| 1141 if (token.value == TOKdot) | |
| 1142 { | |
| 1143 id = Id.empty; | |
| 1144 } | |
| 1145 else | |
| 1146 { | |
| 1147 if (token.value == TOKtypeof) | |
| 1148 { | |
| 1149 tqual = parseTypeof(); | |
| 1150 check(TOKdot); | |
| 1151 } | |
| 1152 if (token.value != TOKidentifier) | |
| 1153 { | |
| 1154 error("identifier expected, not %s", token.toChars()); | |
| 1155 id = Id.empty; | |
| 1156 } | |
| 1157 else | |
| 1158 id = token.ident; | |
| 1159 nextToken(); | |
| 1160 } | |
| 1161 | |
| 1162 idents = new Array(); | |
| 1163 while (1) | |
| 1164 { | |
| 1165 tiargs = null; | |
| 1166 if (token.value == TOKnot) | |
| 1167 { | |
| 1168 nextToken(); | |
| 1169 if (token.value == TOKlparen) | |
| 1170 tiargs = parseTemplateArgumentList(); | |
| 1171 else | |
| 1172 tiargs = parseTemplateArgument(); | |
| 1173 } | |
| 1174 if (token.value != TOKdot) | |
| 1175 break; | |
| 1176 if (tiargs) | |
| 1177 { | |
| 1178 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 1179 tempinst.tiargs = tiargs; | |
| 1180 id = cast(Identifier)tempinst; | |
| 1181 tiargs = null; | |
| 1182 } | |
| 1183 idents.push(cast(void*)id); | |
| 1184 nextToken(); | |
| 1185 if (token.value != TOKidentifier) | |
| 1186 { | |
| 1187 error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1188 break; | |
| 1189 } | |
| 1190 id = token.ident; | |
| 1191 nextToken(); | |
| 1192 } | |
| 1193 idents.push(cast(void*)id); | |
| 1194 if (token.value == TOKidentifier) | |
| 1195 { | |
| 1196 id = token.ident; | |
| 1197 nextToken(); | |
| 1198 } | |
| 1199 else | |
| 1200 id = null; | |
| 1201 | |
| 1202 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1203 if (token.value != TOKsemicolon) | |
| 1204 error("';' expected after mixin"); | |
| 1205 nextToken(); | |
| 1206 return tm; | |
| 0 | 1207 } |
| 1208 | |
| 1209 /****************************************** | |
| 1210 * Parse template argument list. | |
| 1211 * Input: | |
| 1212 * current token is opening '(' | |
| 1213 * Output: | |
| 1214 * current token is one after closing ')' | |
| 1215 */ | |
| 1216 Objects parseTemplateArgumentList() | |
| 1217 { | |
| 1218 //printf("Parser.parseTemplateArgumentList()\n"); | |
| 1219 if (token.value != TOKlparen && token.value != TOKlcurly) | |
| 1220 { | |
| 1221 error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1222 return new Objects(); | |
| 1223 } | |
| 1224 return parseTemplateArgumentList2(); | |
| 1225 } | |
| 1226 | |
| 1227 Objects parseTemplateArgumentList2() | |
| 1228 { | |
| 1229 //printf("Parser.parseTemplateArgumentList2()\n"); | |
| 1230 Objects tiargs = new Objects(); | |
| 1231 TOK endtok = TOKrparen; | |
| 1232 nextToken(); | |
| 1233 | |
| 1234 // Get TemplateArgumentList | |
| 1235 if (token.value != endtok) | |
| 1236 { | |
| 1237 while (1) | |
| 1238 { | |
| 1239 // See if it is an Expression or a Type | |
| 1240 if (isDeclaration(&token, 0, TOKreserved, null)) | |
| 1241 { // Template argument is a type | |
| 1242 Type ta = parseType(); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1243 tiargs.push(ta); |
| 0 | 1244 } |
| 1245 else | |
| 1246 { // Template argument is an expression | |
| 1247 Expression ea = parseAssignExp(); | |
| 1248 | |
| 1249 if (ea.op == TOKfunction) | |
| 1250 { | |
| 1251 FuncLiteralDeclaration fd = (cast(FuncExp)ea).fd; | |
| 1252 if (fd.type.ty == Tfunction) | |
| 1253 { | |
| 1254 TypeFunction tf = cast(TypeFunction)fd.type; | |
| 1255 /* If there are parameters that consist of only an identifier, | |
| 1256 * rather than assuming the identifier is a type, as we would | |
| 1257 * for regular function declarations, assume the identifier | |
| 1258 * is the parameter name, and we're building a template with | |
| 1259 * a deduced type. | |
| 1260 */ | |
| 1261 TemplateParameters tpl = null; | |
|
126
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ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1262 foreach (param; tf.parameters) |
| 0 | 1263 { |
| 1264 if (param.ident is null && | |
| 1265 param.type && | |
| 1266 param.type.ty == Tident && | |
| 1267 (cast(TypeIdentifier)param.type).idents.dim == 0 | |
| 1268 ) | |
| 1269 { | |
| 1270 /* Switch parameter type to parameter identifier, | |
| 1271 * parameterize with template type parameter _T | |
| 1272 */ | |
|
126
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
1273 auto pt = cast(TypeIdentifier)param.type; |
| 0 | 1274 param.ident = pt.ident; |
| 1275 Identifier id = Lexer.uniqueId("__T"); | |
| 1276 param.type = new TypeIdentifier(pt.loc, id); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1277 auto tp = new TemplateTypeParameter(fd.loc, id, null, null); |
| 0 | 1278 if (!tpl) |
| 1279 tpl = new TemplateParameters(); | |
|
121
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diff
changeset
|
1280 tpl.push(tp); |
| 0 | 1281 } |
| 1282 } | |
| 1283 | |
| 1284 if (tpl) | |
| 1285 { | |
| 1286 // 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
|
1287 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
|
1288 decldefs.push(fd); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
1289 auto tempdecl = new TemplateDeclaration(fd.loc, fd.ident, tpl, null, decldefs); |
| 0 | 1290 tempdecl.literal = 1; // it's a template 'literal' |
|
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Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1291 tiargs.push(tempdecl); |
| 0 | 1292 goto L1; |
| 1293 } | |
| 1294 } | |
| 1295 } | |
| 1296 | |
|
94
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Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1297 tiargs.push(ea); |
| 0 | 1298 } |
| 1299 L1: | |
| 1300 if (token.value != TOKcomma) | |
| 1301 break; | |
| 1302 nextToken(); | |
| 1303 } | |
| 1304 } | |
| 1305 check(endtok, "template argument list"); | |
| 1306 return tiargs; | |
| 1307 } | |
| 1308 | |
| 2 | 1309 /***************************** |
| 1310 * Parse single template argument, to support the syntax: | |
| 1311 * foo!arg | |
| 1312 * Input: | |
| 1313 * current token is the arg | |
| 1314 */ | |
| 0 | 1315 Objects parseTemplateArgument() |
| 1316 { | |
| 2 | 1317 //printf("parseTemplateArgument()\n"); |
| 1318 Objects tiargs = new Objects(); | |
| 1319 Type ta; | |
| 1320 switch (token.value) | |
| 1321 { | |
| 1322 case TOKidentifier: | |
| 1323 ta = new TypeIdentifier(loc, token.ident); | |
| 1324 goto LabelX; | |
| 1325 | |
| 1326 case TOKvoid: ta = Type.tvoid; goto LabelX; | |
| 1327 case TOKint8: ta = Type.tint8; goto LabelX; | |
| 1328 case TOKuns8: ta = Type.tuns8; goto LabelX; | |
| 1329 case TOKint16: ta = Type.tint16; goto LabelX; | |
| 1330 case TOKuns16: ta = Type.tuns16; goto LabelX; | |
| 1331 case TOKint32: ta = Type.tint32; goto LabelX; | |
| 1332 case TOKuns32: ta = Type.tuns32; goto LabelX; | |
| 1333 case TOKint64: ta = Type.tint64; goto LabelX; | |
| 1334 case TOKuns64: ta = Type.tuns64; goto LabelX; | |
| 1335 case TOKfloat32: ta = Type.tfloat32; goto LabelX; | |
| 1336 case TOKfloat64: ta = Type.tfloat64; goto LabelX; | |
| 1337 case TOKfloat80: ta = Type.tfloat80; goto LabelX; | |
| 1338 case TOKimaginary32: ta = Type.timaginary32; goto LabelX; | |
| 1339 case TOKimaginary64: ta = Type.timaginary64; goto LabelX; | |
| 1340 case TOKimaginary80: ta = Type.timaginary80; goto LabelX; | |
| 1341 case TOKcomplex32: ta = Type.tcomplex32; goto LabelX; | |
| 1342 case TOKcomplex64: ta = Type.tcomplex64; goto LabelX; | |
| 1343 case TOKcomplex80: ta = Type.tcomplex80; goto LabelX; | |
| 1344 case TOKbit: ta = Type.tbit; goto LabelX; | |
| 1345 case TOKbool: ta = Type.tbool; goto LabelX; | |
| 1346 case TOKchar: ta = Type.tchar; goto LabelX; | |
| 1347 case TOKwchar: ta = Type.twchar; goto LabelX; | |
| 1348 case TOKdchar: ta = Type.tdchar; goto LabelX; | |
| 1349 LabelX: | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
1350 tiargs.push(ta); |
| 2 | 1351 nextToken(); |
| 1352 break; | |
| 1353 | |
| 1354 case TOKint32v: | |
| 1355 case TOKuns32v: | |
| 1356 case TOKint64v: | |
| 1357 case TOKuns64v: | |
| 1358 case TOKfloat32v: | |
| 1359 case TOKfloat64v: | |
| 1360 case TOKfloat80v: | |
| 1361 case TOKimaginary32v: | |
| 1362 case TOKimaginary64v: | |
| 1363 case TOKimaginary80v: | |
| 1364 case TOKnull: | |
| 1365 case TOKtrue: | |
| 1366 case TOKfalse: | |
| 1367 case TOKcharv: | |
| 1368 case TOKwcharv: | |
| 1369 case TOKdcharv: | |
| 1370 case TOKstring: | |
| 1371 case TOKfile: | |
| 1372 case TOKline: | |
| 1373 { | |
| 1374 // Template argument is an expression | |
| 1375 Expression ea = parsePrimaryExp(); | |
|
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parents:
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diff
changeset
|
1376 tiargs.push(ea); |
| 2 | 1377 break; |
| 1378 } | |
| 1379 | |
| 1380 default: | |
| 1381 error("template argument expected following !"); | |
| 1382 break; | |
| 1383 } | |
| 1384 | |
| 1385 if (token.value == TOKnot) | |
| 1386 error("multiple ! arguments are not allowed"); | |
| 1387 return tiargs; | |
| 0 | 1388 } |
| 1389 | |
| 1390 /********************************** | |
| 1391 * Parse a static assertion. | |
| 1392 */ | |
| 1393 StaticAssert parseStaticAssert() | |
| 1394 { | |
| 1395 Loc loc = this.loc; | |
| 1396 Expression exp; | |
| 1397 Expression msg = null; | |
| 1398 | |
| 1399 //printf("parseStaticAssert()\n"); | |
| 1400 nextToken(); | |
| 1401 check(TOK.TOKlparen); | |
| 1402 exp = parseAssignExp(); | |
| 1403 if (token.value == TOK.TOKcomma) | |
| 1404 { | |
| 1405 nextToken(); | |
| 1406 msg = parseAssignExp(); | |
| 1407 } | |
| 1408 | |
| 1409 check(TOK.TOKrparen); | |
| 1410 check(TOK.TOKsemicolon); | |
| 1411 | |
| 1412 return new StaticAssert(loc, exp, msg); | |
| 1413 } | |
| 1414 | |
| 1415 TypeQualified parseTypeof() | |
| 1416 { | |
| 1417 TypeQualified t; | |
| 1418 Loc loc = this.loc; | |
| 1419 | |
| 1420 nextToken(); | |
| 1421 check(TOK.TOKlparen); | |
| 1422 if (token.value == TOK.TOKreturn) // typeof(return) | |
| 1423 { | |
| 1424 nextToken(); | |
| 1425 t = new TypeReturn(loc); | |
| 1426 } | |
| 1427 else | |
| 1428 { | |
| 1429 Expression exp = parseExpression(); // typeof(expression) | |
| 1430 t = new TypeTypeof(loc, exp); | |
| 1431 } | |
| 1432 check(TOK.TOKrparen); | |
| 1433 return t; | |
| 1434 } | |
| 1435 | |
| 1436 /*********************************** | |
| 1437 * Parse extern (linkage) | |
| 1438 * The parser is on the 'extern' token. | |
| 1439 */ | |
| 1440 LINK parseLinkage() | |
| 1441 { | |
| 1442 LINK link = LINK.LINKdefault; | |
| 1443 nextToken(); | |
| 1444 assert(token.value == TOK.TOKlparen); | |
| 1445 nextToken(); | |
| 1446 if (token.value == TOK.TOKidentifier) | |
| 1447 { | |
| 1448 Identifier id = token.ident; | |
| 1449 | |
| 1450 nextToken(); | |
| 1451 if (id == Id.Windows) | |
| 1452 link = LINK.LINKwindows; | |
| 1453 else if (id == Id.Pascal) | |
| 1454 link = LINK.LINKpascal; | |
| 1455 else if (id == Id.D) | |
| 1456 link = LINK.LINKd; | |
| 1457 else if (id == Id.C) | |
| 1458 { | |
| 1459 link = LINK.LINKc; | |
| 1460 if (token.value == TOK.TOKplusplus) | |
| 1461 { | |
| 1462 link = LINK.LINKcpp; | |
| 1463 nextToken(); | |
| 1464 } | |
| 1465 } | |
| 1466 else if (id == Id.System) | |
| 1467 { | |
| 114 | 1468 version (Windows) |
| 1469 { | |
| 0 | 1470 link = LINK.LINKwindows; |
| 114 | 1471 } |
| 1472 else | |
| 1473 { | |
| 0 | 1474 link = LINK.LINKc; |
| 1475 } | |
| 1476 } | |
| 1477 else | |
| 1478 { | |
| 1479 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 1480 link = LINK.LINKd; | |
| 1481 } | |
| 1482 } | |
| 1483 else | |
| 1484 { | |
| 1485 link = LINK.LINKd; // default | |
| 1486 } | |
| 1487 check(TOK.TOKrparen); | |
| 1488 | |
| 1489 return link; | |
| 1490 } | |
| 1491 | |
| 1492 | |
| 1493 /************************************** | |
| 1494 * Parse a debug conditional | |
| 1495 */ | |
| 1496 Condition parseDebugCondition() | |
| 1497 { | |
| 1498 Condition c; | |
| 1499 | |
| 1500 if (token.value == TOK.TOKlparen) | |
| 1501 { | |
| 1502 nextToken(); | |
| 1503 uint level = 1; | |
| 1504 Identifier id = null; | |
| 1505 | |
| 1506 if (token.value == TOK.TOKidentifier) | |
| 1507 id = token.ident; | |
| 1508 else if (token.value == TOK.TOKint32v) | |
| 1509 level = cast(uint)token.uns64value; | |
| 1510 else | |
| 1511 error("identifier or integer expected, not %s", token.toChars()); | |
| 1512 | |
| 1513 nextToken(); | |
| 1514 check(TOK.TOKrparen); | |
| 1515 | |
| 1516 c = new DebugCondition(mod, level, id); | |
| 1517 } | |
| 1518 else | |
| 1519 c = new DebugCondition(mod, 1, null); | |
| 1520 | |
| 1521 return c; | |
| 1522 } | |
| 1523 | |
| 1524 /************************************** | |
| 1525 * Parse a version conditional | |
| 1526 */ | |
| 1527 Condition parseVersionCondition() | |
| 1528 { | |
| 1529 Condition c; | |
| 1530 uint level = 1; | |
| 1531 Identifier id = null; | |
| 1532 | |
| 1533 if (token.value == TOK.TOKlparen) | |
| 1534 { | |
| 1535 nextToken(); | |
| 1536 if (token.value == TOK.TOKidentifier) | |
| 1537 id = token.ident; | |
| 1538 else if (token.value == TOK.TOKint32v) | |
| 1539 level = cast(uint)token.uns64value; | |
| 1540 else { | |
| 1541 version (DMDV2) { | |
| 1542 /* Allow: | |
| 1543 * version (unittest) | |
| 1544 * even though unittest is a keyword | |
| 1545 */ | |
| 1546 if (token.value == TOK.TOKunittest) | |
| 1547 id = Lexer.idPool(Token.toChars(TOK.TOKunittest)); | |
| 1548 else | |
| 1549 error("identifier or integer expected, not %s", token.toChars()); | |
| 1550 } else { | |
| 1551 error("identifier or integer expected, not %s", token.toChars()); | |
| 1552 } | |
| 1553 } | |
| 1554 nextToken(); | |
| 1555 check(TOK.TOKrparen); | |
| 1556 } | |
| 1557 else | |
| 1558 error("(condition) expected following version"); | |
| 1559 | |
| 1560 c = new VersionCondition(mod, level, id); | |
| 1561 | |
| 1562 return c; | |
| 1563 } | |
| 1564 | |
| 1565 /*********************************************** | |
| 1566 * static if (expression) | |
| 1567 * body | |
| 1568 * else | |
| 1569 * body | |
| 1570 */ | |
| 1571 Condition parseStaticIfCondition() | |
| 1572 { | |
| 1573 Expression exp; | |
| 1574 Condition condition; | |
| 1575 Array aif; | |
| 1576 Array aelse; | |
| 1577 Loc loc = this.loc; | |
| 1578 | |
| 1579 nextToken(); | |
| 1580 if (token.value == TOKlparen) | |
| 1581 { | |
| 1582 nextToken(); | |
| 1583 exp = parseAssignExp(); | |
| 1584 check(TOKrparen); | |
| 1585 } | |
| 1586 else | |
| 1587 { | |
| 1588 error("(expression) expected following static if"); | |
| 1589 exp = null; | |
| 1590 } | |
| 1591 condition = new StaticIfCondition(loc, exp); | |
| 1592 return condition; | |
| 1593 } | |
| 1594 | |
| 1595 /***************************************** | |
| 1596 * Parse a constructor definition: | |
| 1597 * this(parameters) { body } | |
| 1598 * or postblit: | |
| 1599 * this(this) { body } | |
| 1600 * or constructor template: | |
| 1601 * this(templateparameters)(parameters) { body } | |
| 1602 * Current token is 'this'. | |
| 1603 */ | |
| 1604 | |
| 1605 Dsymbol parseCtor() | |
| 1606 { | |
| 1607 Loc loc = this.loc; | |
| 1608 | |
| 1609 nextToken(); | |
| 1610 if (token.value == TOK.TOKlparen && peek(&token).value == TOK.TOKthis) | |
| 1611 { // this(this) { ... } | |
| 1612 nextToken(); | |
| 1613 nextToken(); | |
| 1614 check(TOK.TOKrparen); | |
|
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1615 auto f = new PostBlitDeclaration(loc, Loc(0)); |
| 0 | 1616 parseContracts(f); |
| 1617 return f; | |
| 1618 } | |
| 1619 | |
| 1620 /* Look ahead to see if: | |
| 1621 * this(...)(...) | |
| 1622 * which is a constructor template | |
| 1623 */ | |
| 1624 TemplateParameters tpl = null; | |
| 1625 if (token.value == TOK.TOKlparen && peekPastParen(&token).value == TOK.TOKlparen) | |
| 1626 { tpl = parseTemplateParameterList(); | |
| 1627 | |
| 1628 int varargs; | |
|
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1629 auto arguments = parseParameters(&varargs); |
| 0 | 1630 |
| 1631 Expression constraint = null; | |
| 1632 if (tpl) | |
| 1633 constraint = parseConstraint(); | |
| 1634 | |
| 1635 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); | |
| 1636 parseContracts(f); | |
| 1637 | |
| 1638 // Wrap a template around it | |
|
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1639 auto decldefs = new Dsymbols(); |
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1640 decldefs.push(f); |
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1641 auto tempdecl = new TemplateDeclaration(loc, f.ident, tpl, constraint, decldefs); |
| 0 | 1642 return tempdecl; |
| 1643 } | |
| 1644 | |
| 1645 /* Just a regular constructor | |
| 1646 */ | |
| 1647 int varargs; | |
|
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1648 auto arguments = parseParameters(&varargs); |
| 0 | 1649 CtorDeclaration f = new CtorDeclaration(loc, Loc(0), arguments, varargs); |
| 1650 parseContracts(f); | |
| 1651 return f; | |
| 1652 } | |
| 1653 | |
| 1654 PostBlitDeclaration parsePostBlit() | |
| 1655 { | |
| 1656 assert(false); | |
| 1657 } | |
| 1658 | |
| 1659 /***************************************** | |
| 1660 * Parse a destructor definition: | |
| 1661 * ~this() { body } | |
| 1662 * Current token is '~'. | |
| 1663 */ | |
| 1664 DtorDeclaration parseDtor() | |
| 1665 { | |
| 1666 DtorDeclaration f; | |
| 1667 Loc loc = this.loc; | |
| 1668 | |
| 1669 nextToken(); | |
| 1670 check(TOKthis); | |
| 1671 check(TOKlparen); | |
| 1672 check(TOKrparen); | |
| 1673 | |
| 1674 f = new DtorDeclaration(loc, Loc(0)); | |
| 1675 parseContracts(f); | |
| 1676 return f; | |
| 1677 } | |
| 1678 | |
| 1679 /***************************************** | |
| 1680 * Parse a static constructor definition: | |
| 1681 * static this() { body } | |
| 1682 * Current token is 'this'. | |
| 1683 */ | |
| 1684 StaticCtorDeclaration parseStaticCtor() | |
| 1685 { | |
| 1686 StaticCtorDeclaration f; | |
| 1687 Loc loc = this.loc; | |
| 1688 | |
| 1689 nextToken(); | |
| 1690 check(TOKlparen); | |
| 1691 check(TOKrparen); | |
| 1692 | |
| 1693 f = new StaticCtorDeclaration(loc, Loc(0)); | |
| 1694 parseContracts(f); | |
| 1695 return f; | |
| 1696 } | |
| 1697 | |
| 1698 /***************************************** | |
| 1699 * Parse a static destructor definition: | |
| 1700 * static ~this() { body } | |
| 1701 * Current token is '~'. | |
| 1702 */ | |
| 1703 StaticDtorDeclaration parseStaticDtor() | |
| 1704 { | |
| 1705 StaticDtorDeclaration f; | |
| 1706 Loc loc = this.loc; | |
| 1707 | |
| 1708 nextToken(); | |
| 1709 check(TOKthis); | |
| 1710 check(TOKlparen); | |
| 1711 check(TOKrparen); | |
| 1712 | |
| 1713 f = new StaticDtorDeclaration(loc, Loc(0)); | |
| 1714 parseContracts(f); | |
| 1715 return f; | |
| 1716 } | |
| 1717 | |
| 1718 /***************************************** | |
| 1719 * Parse an invariant definition: | |
| 1720 * invariant() { body } | |
| 1721 * Current token is 'invariant'. | |
| 1722 */ | |
| 1723 InvariantDeclaration parseInvariant() | |
| 1724 { | |
| 1725 InvariantDeclaration f; | |
| 1726 Loc loc = this.loc; | |
| 1727 | |
| 1728 nextToken(); | |
| 1729 if (token.value == TOKlparen) // optional () | |
| 1730 { | |
| 1731 nextToken(); | |
| 1732 check(TOKrparen); | |
| 1733 } | |
| 1734 | |
| 1735 f = new InvariantDeclaration(loc, Loc(0)); | |
| 1736 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1737 return f; | |
| 1738 } | |
| 1739 | |
| 1740 /***************************************** | |
| 1741 * Parse a unittest definition: | |
| 1742 * unittest { body } | |
| 1743 * Current token is 'unittest'. | |
| 1744 */ | |
| 1745 UnitTestDeclaration parseUnitTest() | |
| 1746 { | |
| 1747 Loc loc = this.loc; | |
| 1748 | |
| 1749 nextToken(); | |
| 1750 | |
| 1751 UnitTestDeclaration f = new UnitTestDeclaration(loc, this.loc); | |
| 1752 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 1753 | |
| 1754 return f; | |
| 1755 } | |
| 1756 | |
| 123 | 1757 /***************************************** |
| 1758 * Parse a new definition: | |
| 1759 * new(arguments) { body } | |
| 1760 * Current token is 'new'. | |
| 1761 */ | |
| 0 | 1762 NewDeclaration parseNew() |
| 1763 { | |
| 123 | 1764 NewDeclaration f; |
|
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1765 scope arguments = new Parameters(); |
| 123 | 1766 int varargs; |
| 1767 Loc loc = this.loc; | |
| 1768 | |
| 1769 nextToken(); | |
| 1770 arguments = parseParameters(&varargs); | |
| 1771 f = new NewDeclaration(loc, Loc(0), arguments, varargs); | |
| 1772 parseContracts(f); | |
| 1773 return f; | |
| 0 | 1774 } |
| 1775 | |
| 123 | 1776 /***************************************** |
| 1777 * Parse a delete definition: | |
| 1778 * delete(arguments) { body } | |
| 1779 * Current token is 'delete'. | |
| 1780 */ | |
| 0 | 1781 DeleteDeclaration parseDelete() |
| 1782 { | |
| 123 | 1783 DeleteDeclaration f; |
|
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1784 scope Parameters arguments; |
| 123 | 1785 int varargs; |
| 1786 Loc loc = this.loc; | |
| 1787 | |
| 1788 nextToken(); | |
| 1789 arguments = parseParameters(&varargs); | |
| 1790 if (varargs) | |
| 1791 error("... not allowed in delete function parameter list"); | |
| 1792 f = new DeleteDeclaration(loc, Loc(0), arguments); | |
| 1793 parseContracts(f); | |
| 1794 return f; | |
| 0 | 1795 } |
| 1796 | |
|
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1797 Parameters parseParameters(int* pvarargs) |
| 0 | 1798 { |
|
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1799 auto arguments = new Parameters(); |
| 0 | 1800 int varargs = 0; |
| 1801 int hasdefault = 0; | |
| 1802 | |
| 1803 check(TOK.TOKlparen); | |
| 1804 while (1) | |
| 1805 { Type *tb; | |
| 1806 Identifier ai = null; | |
| 1807 Type at; | |
|
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1808 Parameter a; |
|
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1809 StorageClass storageClass = STC.STCundefined; |
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1810 StorageClass stc; |
| 0 | 1811 Expression ae; |
| 1812 | |
| 1813 for ( ;1; nextToken()) | |
| 1814 { | |
| 1815 switch (token.value) | |
| 1816 { | |
| 1817 case TOK.TOKrparen: | |
| 1818 break; | |
| 1819 | |
| 1820 case TOK.TOKdotdotdot: | |
| 1821 varargs = 1; | |
| 1822 nextToken(); | |
| 1823 break; | |
| 1824 | |
| 1825 case TOK.TOKconst: | |
| 1826 if (peek(&token).value == TOK.TOKlparen) | |
| 1827 goto Ldefault; | |
| 1828 stc = STC.STCconst; | |
| 1829 goto L2; | |
| 1830 | |
| 1831 case TOK.TOKinvariant: | |
| 1832 case TOK.TOKimmutable: | |
| 1833 if (peek(&token).value == TOK.TOKlparen) | |
| 1834 goto Ldefault; | |
| 1835 stc = STC.STCimmutable; | |
| 1836 goto L2; | |
| 1837 | |
| 1838 case TOK.TOKshared: | |
| 1839 if (peek(&token).value == TOK.TOKlparen) | |
| 1840 goto Ldefault; | |
| 1841 stc = STC.STCshared; | |
| 1842 goto L2; | |
| 1843 | |
| 1844 case TOK.TOKin: stc = STC.STCin; goto L2; | |
| 1845 case TOK.TOKout: stc = STC.STCout; goto L2; | |
| 1846 case TOK.TOKinout: | |
| 1847 case TOK.TOKref: stc = STC.STCref; goto L2; | |
| 1848 case TOK.TOKlazy: stc = STC.STClazy; goto L2; | |
| 1849 case TOK.TOKscope: stc = STC.STCscope; goto L2; | |
| 1850 case TOK.TOKfinal: stc = STC.STCfinal; goto L2; | |
| 1851 L2: | |
| 1852 if (storageClass & stc || | |
| 1853 (storageClass & STC.STCin && stc & (STC.STCconst | STC.STCscope)) || | |
| 1854 (stc & STC.STCin && storageClass & (STC.STCconst | STC.STCscope)) | |
| 1855 ) | |
| 1856 error("redundant storage class %s", Token.toChars(token.value)); | |
| 1857 storageClass |= stc; | |
| 1858 composeStorageClass(storageClass); | |
| 1859 continue; | |
| 1860 | |
| 1861 static if (false) { | |
| 1862 case TOK.TOKstatic: stc = STC.STCstatic; goto L2; | |
| 1863 case TOK.TOKauto: storageClass = STC.STCauto; goto L4; | |
| 1864 case TOK.TOKalias: storageClass = STC.STCalias; goto L4; | |
| 1865 L4: | |
| 1866 nextToken(); | |
| 1867 if (token.value == TOK.TOKidentifier) | |
| 1868 { ai = token.ident; | |
| 1869 nextToken(); | |
| 1870 } | |
| 1871 else | |
| 1872 ai = null; | |
| 1873 at = null; // no type | |
| 1874 ae = null; // no default argument | |
| 1875 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1876 { nextToken(); | |
| 1877 ae = parseDefaultInitExp(); | |
| 1878 hasdefault = 1; | |
| 1879 } | |
| 1880 else | |
| 1881 { if (hasdefault) | |
| 1882 error("default argument expected for alias %s", | |
| 1883 ai ? ai.toChars() : ""); | |
| 1884 } | |
| 1885 goto L3; | |
| 1886 } | |
| 1887 | |
| 1888 default: | |
| 1889 Ldefault: | |
| 1890 stc = (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)); | |
| 1891 if (stc & (stc - 1)) // if stc is not a power of 2 | |
| 1892 error("incompatible parameter storage classes"); | |
| 1893 if ((storageClass & (STC.STCconst | STC.STCout)) == (STC.STCconst | STC.STCout)) | |
| 1894 error("out cannot be const"); | |
| 1895 if ((storageClass & (STC.STCimmutable | STC.STCout)) == (STC.STCimmutable | STC.STCout)) | |
| 1896 error("out cannot be immutable"); | |
| 1897 if ((storageClass & STC.STCscope) && | |
| 1898 (storageClass & (STC.STCref | STC.STCout))) | |
| 1899 error("scope cannot be ref or out"); | |
| 1900 at = parseType(&ai); | |
| 1901 ae = null; | |
| 1902 if (token.value == TOK.TOKassign) // = defaultArg | |
| 1903 { nextToken(); | |
| 1904 ae = parseDefaultInitExp(); | |
| 1905 hasdefault = 1; | |
| 1906 } | |
| 1907 else | |
| 1908 { if (hasdefault) | |
| 1909 error("default argument expected for %s", | |
| 1910 ai ? ai.toChars() : at.toChars()); | |
| 1911 } | |
| 1912 if (token.value == TOK.TOKdotdotdot) | |
| 1913 { /* This is: | |
| 1914 * at ai ... | |
| 1915 */ | |
| 1916 | |
| 1917 if (storageClass & (STC.STCout | STC.STCref)) | |
| 1918 error("variadic argument cannot be out or ref"); | |
| 1919 varargs = 2; | |
|
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1920 a = new Parameter(storageClass, at, ai, ae); |
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1921 arguments.push(a); |
| 0 | 1922 nextToken(); |
| 1923 break; | |
| 1924 } | |
| 1925 L3: | |
|
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1926 a = new Parameter(storageClass, at, ai, ae); |
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1927 arguments.push(a); |
| 0 | 1928 if (token.value == TOK.TOKcomma) |
| 1929 { nextToken(); | |
| 1930 goto L1; | |
| 1931 } | |
| 1932 break; | |
| 1933 } | |
| 1934 break; | |
| 1935 } | |
| 1936 break; | |
| 1937 | |
| 1938 L1: ; | |
| 1939 } | |
| 1940 check(TOK.TOKrparen); | |
| 1941 *pvarargs = varargs; | |
| 1942 return arguments; | |
| 1943 } | |
| 1944 | |
| 1945 EnumDeclaration parseEnum() | |
| 1946 { | |
| 1947 EnumDeclaration e; | |
| 1948 Identifier id; | |
| 1949 Type memtype; | |
| 1950 Loc loc = this.loc; | |
| 1951 | |
| 1952 //printf("Parser.parseEnum()\n"); | |
| 1953 nextToken(); | |
| 1954 if (token.value == TOK.TOKidentifier) | |
| 1955 { | |
| 1956 id = token.ident; | |
| 1957 nextToken(); | |
| 1958 } | |
| 1959 else | |
| 1960 id = null; | |
| 1961 | |
| 1962 if (token.value == TOK.TOKcolon) | |
| 1963 { | |
| 1964 nextToken(); | |
| 1965 memtype = parseBasicType(); | |
| 1966 memtype = parseDeclarator(memtype, null, null); | |
| 1967 } | |
| 1968 else | |
| 1969 memtype = null; | |
| 1970 | |
| 1971 e = new EnumDeclaration(loc, id, memtype); | |
| 1972 if (token.value == TOK.TOKsemicolon && id) | |
| 1973 nextToken(); | |
| 1974 else if (token.value == TOK.TOKlcurly) | |
| 1975 { | |
| 1976 //printf("enum definition\n"); | |
|
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1977 e.members = new Dsymbols(); |
| 0 | 1978 nextToken(); |
| 79 | 1979 string comment = token.blockComment; |
| 0 | 1980 while (token.value != TOK.TOKrcurly) |
| 1981 { | |
| 1982 /* Can take the following forms: | |
| 1983 * 1. ident | |
| 1984 * 2. ident = value | |
| 1985 * 3. type ident = value | |
| 1986 */ | |
| 1987 | |
| 1988 loc = this.loc; | |
| 1989 | |
| 1990 Type type = null; | |
| 1991 Identifier ident; | |
| 1992 Token* tp = peek(&token); | |
| 1993 if (token.value == TOK.TOKidentifier && | |
| 1994 (tp.value == TOK.TOKassign || tp.value == TOK.TOKcomma || tp.value == TOK.TOKrcurly)) | |
| 1995 { | |
| 1996 ident = token.ident; | |
| 1997 type = null; | |
| 1998 nextToken(); | |
| 1999 } | |
| 2000 else | |
| 2001 { | |
| 2002 type = parseType(&ident, null); | |
| 2003 if (id || memtype) | |
| 2004 error("type only allowed if anonymous enum and no enum type"); | |
| 2005 } | |
| 2006 | |
| 2007 Expression value; | |
| 2008 if (token.value == TOK.TOKassign) | |
| 2009 { | |
| 2010 nextToken(); | |
| 2011 value = parseAssignExp(); | |
| 2012 } | |
| 2013 else | |
| 2014 { | |
| 2015 value = null; | |
| 2016 if (type) | |
| 2017 error("if type, there must be an initializer"); | |
| 2018 } | |
| 2019 | |
|
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2020 auto em = new EnumMember(loc, ident, value, type); |
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|
2021 e.members.push(em); |
| 0 | 2022 |
| 2023 if (token.value == TOK.TOKrcurly) { | |
| 2024 ; | |
| 2025 } else { | |
| 2026 addComment(em, comment); | |
| 2027 comment = null; | |
| 2028 check(TOK.TOKcomma); | |
| 2029 } | |
| 2030 addComment(em, comment); | |
| 2031 comment = token.blockComment; | |
| 2032 } | |
| 2033 nextToken(); | |
| 2034 } | |
| 2035 else | |
| 2036 error("enum declaration is invalid"); | |
| 2037 | |
| 2038 //printf("-parseEnum() %s\n", e.toChars()); | |
| 2039 return e; | |
| 2040 } | |
| 2041 | |
| 2042 Dsymbol parseAggregate() | |
| 2043 { | |
| 2044 AggregateDeclaration a = null; | |
| 2045 int anon = 0; | |
| 2046 TOK tok; | |
| 2047 Identifier id; | |
| 2048 TemplateParameters tpl = null; | |
| 2049 Expression constraint = null; | |
| 2050 | |
| 2051 //printf("Parser.parseAggregate()\n"); | |
| 2052 tok = token.value; | |
| 2053 nextToken(); | |
| 2054 if (token.value != TOK.TOKidentifier) | |
| 2055 { | |
| 2056 id = null; | |
| 2057 } | |
| 2058 else | |
| 2059 { | |
| 2060 id = token.ident; | |
| 2061 nextToken(); | |
| 2062 | |
| 2063 if (token.value == TOK.TOKlparen) | |
| 2064 { | |
| 2065 // Class template declaration. | |
| 2066 | |
| 2067 // Gather template parameter list | |
| 2068 tpl = parseTemplateParameterList(); | |
| 2069 constraint = parseConstraint(); | |
| 2070 } | |
| 2071 } | |
| 2072 | |
| 2073 Loc loc = this.loc; | |
| 2074 switch (tok) | |
| 2075 { case TOK.TOKclass: | |
| 2076 case TOK.TOKinterface: | |
| 2077 { | |
| 2078 if (!id) | |
| 2079 error("anonymous classes not allowed"); | |
| 2080 | |
| 2081 // Collect base class(es) | |
| 2082 BaseClasses baseclasses = null; | |
| 2083 if (token.value == TOK.TOKcolon) | |
| 2084 { | |
| 2085 nextToken(); | |
| 2086 baseclasses = parseBaseClasses(); | |
| 2087 | |
| 2088 if (token.value != TOK.TOKlcurly) | |
| 2089 error("members expected"); | |
| 2090 } | |
| 2091 | |
| 2092 if (tok == TOK.TOKclass) | |
| 2093 a = new ClassDeclaration(loc, id, baseclasses); | |
| 2094 else | |
| 2095 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 2096 break; | |
| 2097 } | |
| 2098 | |
| 2099 case TOK.TOKstruct: | |
| 2100 if (id) | |
| 2101 a = new StructDeclaration(loc, id); | |
| 2102 else | |
| 2103 anon = 1; | |
| 2104 break; | |
| 2105 | |
| 2106 case TOK.TOKunion: | |
| 2107 if (id) | |
| 2108 a = new UnionDeclaration(loc, id); | |
| 2109 else | |
| 2110 anon = 2; | |
| 2111 break; | |
| 2112 | |
| 2113 default: | |
| 2114 assert(0); | |
| 2115 break; | |
| 2116 } | |
| 2117 if (a && token.value == TOK.TOKsemicolon) | |
| 2118 { nextToken(); | |
| 2119 } | |
| 2120 else if (token.value == TOK.TOKlcurly) | |
| 2121 { | |
| 2122 //printf("aggregate definition\n"); | |
| 2123 nextToken(); | |
|
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|
2124 auto decl = parseDeclDefs(0); |
| 0 | 2125 if (token.value != TOK.TOKrcurly) |
| 2126 error("} expected following member declarations in aggregate"); | |
| 2127 nextToken(); | |
| 2128 if (anon) | |
| 2129 { | |
| 2130 /* Anonymous structs/unions are more like attributes. | |
| 2131 */ | |
| 2132 return new AnonDeclaration(loc, anon - 1, decl); | |
| 2133 } | |
| 2134 else | |
| 2135 a.members = decl; | |
| 2136 } | |
| 2137 else | |
| 2138 { | |
| 2139 error("{ } expected following aggregate declaration"); | |
| 2140 a = new StructDeclaration(loc, null); | |
| 2141 } | |
| 2142 | |
| 2143 if (tpl) | |
| 2144 { // Wrap a template around the aggregate declaration | |
| 2145 | |
|
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changeset
|
2146 auto decldefs = new Dsymbols(); |
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|
2147 decldefs.push(a); |
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diff
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|
2148 auto tempdecl = new TemplateDeclaration(loc, id, tpl, constraint, decldefs); |
| 0 | 2149 return tempdecl; |
| 2150 } | |
| 2151 | |
| 2152 return a; | |
| 2153 } | |
| 2154 | |
| 2155 BaseClasses parseBaseClasses() | |
| 2156 { | |
| 2157 BaseClasses baseclasses = new BaseClasses(); | |
| 2158 | |
| 2159 for (; 1; nextToken()) | |
| 2160 { | |
| 2161 PROT protection = PROT.PROTpublic; | |
| 2162 switch (token.value) | |
| 2163 { | |
| 2164 case TOK.TOKprivate: | |
| 2165 protection = PROT.PROTprivate; | |
| 2166 nextToken(); | |
| 2167 break; | |
| 2168 case TOK.TOKpackage: | |
| 2169 protection = PROT.PROTpackage; | |
| 2170 nextToken(); | |
| 2171 break; | |
| 2172 case TOK.TOKprotected: | |
| 2173 protection = PROT.PROTprotected; | |
| 2174 nextToken(); | |
| 2175 break; | |
| 2176 case TOK.TOKpublic: | |
| 2177 protection = PROT.PROTpublic; | |
| 2178 nextToken(); | |
| 2179 break; | |
| 2180 default: | |
| 2181 break; /// | |
| 2182 } | |
| 2183 if (token.value == TOK.TOKidentifier) | |
| 2184 { | |
|
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diff
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|
2185 auto b = new BaseClass(parseBasicType(), protection); |
|
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diff
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|
2186 baseclasses.push(b); |
| 0 | 2187 if (token.value != TOK.TOKcomma) |
| 2188 break; | |
| 2189 } | |
| 2190 else | |
| 2191 { | |
| 2192 error("base classes expected instead of %s", token.toChars()); | |
| 2193 return null; | |
| 2194 } | |
| 2195 } | |
| 2196 return baseclasses; | |
| 2197 } | |
| 2198 | |
|
74
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diff
changeset
|
2199 Import parseImport(Dsymbols decldefs, int isstatic) |
| 0 | 2200 { |
| 2201 Import s; | |
| 2202 Identifier id; | |
| 2203 Identifier aliasid = null; | |
|
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|
2204 Identifiers a; |
| 0 | 2205 Loc loc; |
| 2206 | |
| 2207 //printf("Parser.parseImport()\n"); | |
| 2208 do | |
| 2209 { | |
| 2210 L1: | |
| 2211 nextToken(); | |
| 2212 if (token.value != TOK.TOKidentifier) | |
| 2213 { | |
| 2214 error("Identifier expected following import"); | |
| 2215 break; | |
| 2216 } | |
| 2217 | |
| 2218 loc = this.loc; | |
| 2219 a = null; | |
| 2220 id = token.ident; | |
| 2221 nextToken(); | |
| 2222 if (!aliasid && token.value == TOK.TOKassign) | |
| 2223 { | |
| 2224 aliasid = id; | |
| 2225 goto L1; | |
| 2226 } | |
| 2227 while (token.value == TOK.TOKdot) | |
| 2228 { | |
| 2229 if (!a) | |
|
128
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126
diff
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|
2230 a = new Identifiers(); |
|
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126
diff
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|
2231 a.push(id); |
| 0 | 2232 nextToken(); |
| 2233 if (token.value != TOK.TOKidentifier) | |
| 2234 { | |
| 2235 error("identifier expected following package"); | |
| 2236 break; | |
| 2237 } | |
| 2238 id = token.ident; | |
| 2239 nextToken(); | |
| 2240 } | |
| 2241 | |
| 2242 s = new Import(loc, a, id, aliasid, isstatic); | |
|
74
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56
diff
changeset
|
2243 decldefs.push(s); |
| 0 | 2244 |
| 2245 /* Look for | |
| 2246 * : alias=name, alias=name; | |
| 2247 * syntax. | |
| 2248 */ | |
| 2249 if (token.value == TOK.TOKcolon) | |
| 2250 { | |
| 2251 do | |
| 2252 { | |
| 2253 Identifier name; | |
| 2254 | |
| 2255 nextToken(); | |
| 2256 if (token.value != TOK.TOKidentifier) | |
| 2257 { | |
| 2258 error("Identifier expected following :"); | |
| 2259 break; | |
| 2260 } | |
| 2261 Identifier alias_ = token.ident; | |
| 2262 nextToken(); | |
| 2263 if (token.value == TOK.TOKassign) | |
| 2264 { | |
| 2265 nextToken(); | |
| 2266 if (token.value != TOK.TOKidentifier) | |
| 2267 { | |
| 2268 error("Identifier expected following %s=", alias_.toChars()); | |
| 2269 break; | |
| 2270 } | |
| 2271 name = token.ident; | |
| 2272 nextToken(); | |
| 2273 } | |
| 2274 else | |
| 2275 { | |
| 2276 name = alias_; | |
| 2277 alias_ = null; | |
| 2278 } | |
| 2279 s.addAlias(name, alias_); | |
| 2280 } while (token.value == TOK.TOKcomma); | |
| 2281 | |
| 2282 break; // no comma-separated imports of this form | |
| 2283 } | |
| 2284 | |
| 2285 aliasid = null; | |
| 2286 | |
| 2287 } while (token.value == TOK.TOKcomma); | |
| 2288 | |
| 2289 if (token.value == TOK.TOKsemicolon) | |
| 2290 nextToken(); | |
| 2291 else | |
| 2292 { | |
| 2293 error("';' expected"); | |
| 2294 nextToken(); | |
| 2295 } | |
| 2296 | |
| 2297 return null; | |
| 2298 } | |
| 2299 | |
| 2300 Type parseType(Identifier* pident = null, TemplateParameters* tpl = null) | |
| 2301 { | |
| 2302 Type t; | |
| 2303 | |
| 2304 /* Take care of the storage class prefixes that | |
| 2305 * serve as type attributes: | |
| 2306 * const shared, shared const, const, invariant, shared | |
| 2307 */ | |
| 2308 if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() != TOK.TOKlparen || | |
| 2309 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() != TOK.TOKlparen) | |
| 2310 { | |
| 2311 nextToken(); | |
| 2312 nextToken(); | |
| 2313 /* shared const type | |
| 2314 */ | |
| 2315 t = parseType(pident, tpl); | |
| 2316 t = t.makeSharedConst(); | |
| 2317 return t; | |
| 2318 } | |
| 2319 else if (token.value == TOK.TOKconst && peekNext() != TOK.TOKlparen) | |
| 2320 { | |
| 2321 nextToken(); | |
| 2322 /* const type | |
| 2323 */ | |
| 2324 t = parseType(pident, tpl); | |
| 2325 t = t.makeConst(); | |
| 2326 return t; | |
| 2327 } | |
| 2328 else if ((token.value == TOK.TOKinvariant || token.value == TOK.TOKimmutable) && | |
| 2329 peekNext() != TOK.TOKlparen) | |
| 2330 { | |
| 2331 nextToken(); | |
| 2332 /* invariant type | |
| 2333 */ | |
| 2334 t = parseType(pident, tpl); | |
| 2335 t = t.makeInvariant(); | |
| 2336 return t; | |
| 2337 } | |
| 2338 else if (token.value == TOK.TOKshared && peekNext() != TOK.TOKlparen) | |
| 2339 { | |
| 2340 nextToken(); | |
| 2341 /* shared type | |
| 2342 */ | |
| 2343 t = parseType(pident, tpl); | |
| 2344 t = t.makeShared(); | |
| 2345 return t; | |
| 2346 } | |
| 2347 else | |
| 2348 t = parseBasicType(); | |
| 2349 t = parseDeclarator(t, pident, tpl); | |
| 2350 return t; | |
| 2351 } | |
| 2352 | |
| 2353 Type parseBasicType() | |
| 2354 { | |
| 2355 Type t; | |
| 2356 Identifier id; | |
| 2357 TypeQualified tid; | |
| 2358 | |
| 2359 //printf("parseBasicType()\n"); | |
| 2360 switch (token.value) | |
| 2361 { | |
| 2362 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 2363 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 2364 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 2365 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 2366 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 2367 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 2368 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 2369 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 2370 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 2371 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 2372 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 2373 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 2374 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 2375 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 2376 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 2377 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 2378 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 2379 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 2380 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 2381 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 2382 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 2383 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 2384 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 2385 LabelX: | |
| 2386 nextToken(); | |
| 2387 break; | |
| 2388 | |
| 2389 case TOK.TOKidentifier: | |
| 2390 id = token.ident; | |
| 2391 nextToken(); | |
| 2392 if (token.value == TOK.TOKnot) | |
| 2393 { // ident!(template_arguments) | |
| 2394 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2395 nextToken(); | |
| 2396 if (token.value == TOK.TOKlparen) | |
| 2397 // ident!(template_arguments) | |
| 2398 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2399 else | |
| 2400 // ident!template_argument | |
| 2401 tempinst.tiargs = parseTemplateArgument(); | |
| 2402 tid = new TypeInstance(loc, tempinst); | |
| 2403 goto Lident2; | |
| 2404 } | |
| 2405 Lident: | |
| 2406 tid = new TypeIdentifier(loc, id); | |
| 2407 Lident2: | |
| 2408 while (token.value == TOK.TOKdot) | |
| 2409 { nextToken(); | |
| 2410 if (token.value != TOK.TOKidentifier) | |
| 2411 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 2412 break; | |
| 2413 } | |
| 2414 id = token.ident; | |
| 2415 nextToken(); | |
| 2416 if (token.value == TOK.TOKnot) | |
| 2417 { | |
| 2418 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
| 2419 nextToken(); | |
| 2420 if (token.value == TOK.TOKlparen) | |
| 2421 // ident!(template_arguments) | |
| 2422 tempinst.tiargs = parseTemplateArgumentList(); | |
| 2423 else | |
| 2424 // ident!template_argument | |
| 2425 tempinst.tiargs = parseTemplateArgument(); | |
| 56 | 2426 tid.addIdent(tempinst); |
| 0 | 2427 } |
| 2428 else | |
| 2429 tid.addIdent(id); | |
| 2430 } | |
| 2431 t = tid; | |
| 2432 break; | |
| 2433 | |
| 2434 case TOK.TOKdot: | |
| 2435 // Leading . as in .foo | |
| 2436 id = Id.empty; | |
| 2437 goto Lident; | |
| 2438 | |
| 2439 case TOK.TOKtypeof: | |
| 2440 // typeof(expression) | |
| 2441 tid = parseTypeof(); | |
| 2442 goto Lident2; | |
| 2443 | |
| 2444 case TOK.TOKconst: | |
| 2445 // const(type) | |
| 2446 nextToken(); | |
| 2447 check(TOK.TOKlparen); | |
| 2448 t = parseType(); | |
| 2449 check(TOK.TOKrparen); | |
| 2450 if (t.isShared()) | |
| 2451 t = t.makeSharedConst(); | |
| 2452 else | |
| 2453 t = t.makeConst(); | |
| 2454 break; | |
| 2455 | |
| 2456 case TOK.TOKinvariant: | |
| 2457 case TOK.TOKimmutable: | |
| 2458 // invariant(type) | |
| 2459 nextToken(); | |
| 2460 check(TOK.TOKlparen); | |
| 2461 t = parseType(); | |
| 2462 check(TOK.TOKrparen); | |
| 2463 t = t.makeInvariant(); | |
| 2464 break; | |
| 2465 | |
| 2466 case TOK.TOKshared: | |
| 2467 // shared(type) | |
| 2468 nextToken(); | |
| 2469 check(TOK.TOKlparen); | |
| 2470 t = parseType(); | |
| 2471 check(TOK.TOKrparen); | |
| 2472 if (t.isConst()) | |
| 2473 t = t.makeSharedConst(); | |
| 2474 else | |
| 2475 t = t.makeShared(); | |
| 2476 break; | |
| 2477 | |
| 2478 default: | |
| 2479 error("basic type expected, not %s", token.toChars()); | |
| 2480 t = Type.tint32; | |
| 2481 break; | |
| 2482 } | |
| 2483 return t; | |
| 2484 } | |
| 2485 | |
| 2486 Type parseBasicType2(Type t) | |
| 2487 { | |
| 79 | 2488 //writef("parseBasicType2()\n"); |
| 0 | 2489 while (1) |
| 2490 { | |
| 79 | 2491 switch (token.value) |
| 0 | 2492 { |
| 79 | 2493 case TOK.TOKmul: |
| 2494 t = new TypePointer(t); | |
| 2495 nextToken(); | |
| 2496 continue; | |
| 2497 | |
| 2498 case TOK.TOKlbracket: | |
| 2499 // Handle []. Make sure things like | |
| 2500 // int[3][1] a; | |
| 2501 // is (array[1] of array[3] of int) | |
| 0 | 2502 nextToken(); |
| 79 | 2503 if (token.value == TOK.TOKrbracket) |
| 2504 { | |
| 2505 t = new TypeDArray(t); // [] | |
| 2506 nextToken(); | |
| 2507 } | |
| 2508 else if (token.value == TOKnew && peekNext() == TOKrbracket) | |
| 0 | 2509 { |
| 79 | 2510 t = new TypeNewArray(t); // [new] |
| 2511 nextToken(); | |
| 2512 nextToken(); | |
| 2513 } | |
| 2514 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) | |
| 2515 { // It's an associative array declaration | |
| 2516 | |
| 2517 //printf("it's an associative array\n"); | |
| 2518 Type index = parseType(); // [ type ] | |
| 2519 t = new TypeAArray(t, index); | |
| 2520 check(TOK.TOKrbracket); | |
| 0 | 2521 } |
| 2522 else | |
| 79 | 2523 { |
| 2524 //printf("it's type[expression]\n"); | |
| 2525 inBrackets++; | |
|
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2526 Expression e = parseAssignExp(); // [ expression ] |
| 79 | 2527 if (token.value == TOK.TOKslice) |
| 2528 { | |
| 2529 nextToken(); | |
|
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|
2530 Expression e2 = parseAssignExp(); // [ exp .. exp ] |
| 79 | 2531 t = new TypeSlice(t, e, e2); |
| 2532 } | |
| 2533 else | |
| 2534 t = new TypeSArray(t,e); | |
| 2535 inBrackets--; | |
| 2536 check(TOK.TOKrbracket); | |
| 2537 } | |
| 2538 continue; | |
| 2539 | |
| 2540 case TOK.TOKdelegate: | |
| 2541 case TOK.TOKfunction: | |
| 2542 { // Handle delegate declaration: | |
| 2543 // t delegate(parameter list) nothrow pure | |
| 2544 // t function(parameter list) nothrow pure | |
|
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|
2545 Parameters arguments; |
| 79 | 2546 int varargs; |
| 2547 bool ispure = false; | |
| 2548 bool isnothrow = false; | |
|
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|
2549 bool isproperty = false; |
| 79 | 2550 TOK save = token.value; |
|
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2551 TRUST trust = TRUSTdefault; |
| 79 | 2552 |
| 2553 nextToken(); | |
| 2554 arguments = parseParameters(&varargs); | |
| 2555 while (1) | |
| 2556 { // Postfixes | |
| 2557 if (token.value == TOK.TOKpure) | |
|
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2558 ispure = true; |
| 79 | 2559 else if (token.value == TOK.TOKnothrow) |
|
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2560 isnothrow = true; |
|
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2561 else if (token.value == TOKat) |
|
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2562 { StorageClass stc = parseAttribute(); |
|
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2563 switch (cast(uint)(stc >> 32)) |
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2564 { case STCproperty >> 32: |
|
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|
2565 isproperty = true; |
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2566 break; |
|
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|
2567 case STCsafe >> 32: |
|
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2568 trust = TRUSTsafe; |
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2569 break; |
|
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|
2570 case STCsystem >> 32: |
|
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2571 trust = TRUSTsystem; |
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|
2572 break; |
|
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2573 case STCtrusted >> 32: |
|
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2574 trust = TRUSTtrusted; |
|
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|
2575 break; |
|
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2576 case 0: |
|
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|
2577 break; |
|
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|
2578 default: |
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|
2579 assert(0); |
|
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2580 } |
|
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2581 } |
| 79 | 2582 else |
|
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|
2583 break; |
| 79 | 2584 nextToken(); |
| 2585 } | |
| 2586 TypeFunction tf = new TypeFunction(arguments, t, varargs, linkage); | |
| 2587 tf.ispure = ispure; | |
| 2588 tf.isnothrow = isnothrow; | |
|
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2589 tf.isproperty = isproperty; |
|
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|
2590 tf.trust = trust; |
| 79 | 2591 if (save == TOK.TOKdelegate) |
| 2592 t = new TypeDelegate(tf); | |
| 0 | 2593 else |
| 79 | 2594 t = new TypePointer(tf); // pointer to function |
| 2595 continue; | |
| 2596 } | |
| 2597 | |
| 2598 default: | |
| 2599 return t; | |
| 2600 } | |
| 2601 assert(0); | |
| 0 | 2602 } |
| 2603 assert(0); | |
| 2604 return null; | |
| 2605 } | |
| 2606 | |
| 2607 Type parseDeclarator(Type t, Identifier* pident, TemplateParameters* tpl = null) | |
| 2608 { | |
| 2609 Type ts; | |
| 2610 | |
| 2611 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 2612 t = parseBasicType2(t); | |
| 2613 | |
| 2614 switch (token.value) | |
| 2615 { | |
| 2616 | |
| 2617 case TOK.TOKidentifier: | |
| 2618 if (pident) | |
| 2619 *pident = token.ident; | |
| 2620 else | |
| 2621 error("unexpected identifer '%s' in declarator", token.ident.toChars()); | |
| 2622 ts = t; | |
| 2623 nextToken(); | |
| 2624 break; | |
| 2625 | |
| 2626 case TOK.TOKlparen: | |
| 2627 /* Parse things with parentheses around the identifier, like: | |
| 2628 * int (*ident[3])[] | |
| 2629 * although the D style would be: | |
| 2630 * int[]*[3] ident | |
| 2631 */ | |
| 2632 nextToken(); | |
| 2633 ts = parseDeclarator(t, pident); | |
| 2634 check(TOK.TOKrparen); | |
| 2635 break; | |
| 2636 | |
| 2637 default: | |
| 2638 ts = t; | |
| 2639 break; | |
| 2640 } | |
| 2641 | |
| 2642 // parse DeclaratorSuffixes | |
| 2643 while (1) | |
| 2644 { | |
| 2645 switch (token.value) | |
| 2646 { | |
| 2647 version (CARRAYDECL) { | |
| 2648 /* Support C style array syntax: | |
| 2649 * int ident[] | |
| 2650 * as opposed to D-style: | |
| 2651 * int[] ident | |
| 2652 */ | |
| 2653 case TOK.TOKlbracket: | |
| 2654 { // This is the old C-style post [] syntax. | |
| 2655 TypeNext ta; | |
| 2656 nextToken(); | |
| 2657 if (token.value == TOK.TOKrbracket) | |
| 2658 { // It's a dynamic array | |
| 2659 ta = new TypeDArray(t); // [] | |
| 2660 nextToken(); | |
| 2661 } | |
| 79 | 2662 else if (token.value == TOKnew && peekNext() == TOKrbracket) |
| 2663 { | |
| 2664 t = new TypeNewArray(t); // [new] | |
| 2665 nextToken(); | |
| 2666 nextToken(); | |
| 2667 } | |
| 0 | 2668 else if (isDeclaration(&token, 0, TOK.TOKrbracket, null)) |
| 2669 { // It's an associative array | |
| 2670 | |
| 2671 //printf("it's an associative array\n"); | |
| 2672 Type index = parseType(); // [ type ] | |
| 2673 check(TOK.TOKrbracket); | |
| 2674 ta = new TypeAArray(t, index); | |
| 2675 } | |
| 2676 else | |
| 2677 { | |
| 2678 //printf("It's a static array\n"); | |
|
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|
2679 Expression e = parseAssignExp(); // [ expression ] |
| 0 | 2680 ta = new TypeSArray(t, e); |
| 2681 check(TOK.TOKrbracket); | |
| 2682 } | |
| 2683 | |
| 2684 /* Insert ta into | |
| 2685 * ts . ... . t | |
| 2686 * so that | |
| 2687 * ts . ... . ta . t | |
| 2688 */ | |
| 2689 Type* pt; | |
| 2690 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2691 ; | |
| 2692 } | |
| 2693 *pt = ta; | |
| 2694 continue; | |
| 2695 } | |
| 2696 } | |
| 2697 case TOK.TOKlparen: | |
| 2698 { | |
| 2699 if (tpl) | |
| 2700 { | |
| 2701 /* Look ahead to see if this is (...)(...), | |
| 2702 * i.e. a function template declaration | |
| 2703 */ | |
| 2704 if (peekPastParen(&token).value == TOK.TOKlparen) | |
| 2705 { | |
| 2706 //printf("function template declaration\n"); | |
| 2707 | |
| 2708 // Gather template parameter list | |
| 2709 *tpl = parseTemplateParameterList(); | |
| 2710 } | |
| 2711 } | |
| 2712 | |
| 2713 int varargs; | |
|
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|
2714 auto arguments = parseParameters(&varargs); |
| 0 | 2715 Type tf = new TypeFunction(arguments, t, varargs, linkage); |
| 2716 | |
| 2717 /* Parse const/invariant/nothrow/pure postfix | |
| 2718 */ | |
| 2719 while (1) | |
| 2720 { | |
| 2721 switch (token.value) | |
| 2722 { | |
| 2723 case TOK.TOKconst: | |
| 2724 if (tf.isShared()) | |
| 2725 tf = tf.makeSharedConst(); | |
| 2726 else | |
| 2727 tf = tf.makeConst(); | |
| 2728 nextToken(); | |
| 2729 continue; | |
| 2730 | |
| 2731 case TOK.TOKinvariant: | |
| 2732 case TOK.TOKimmutable: | |
| 2733 tf = tf.makeInvariant(); | |
| 2734 nextToken(); | |
| 2735 continue; | |
| 2736 | |
| 2737 case TOK.TOKshared: | |
| 2738 if (tf.isConst()) | |
| 2739 tf = tf.makeSharedConst(); | |
| 2740 else | |
| 2741 tf = tf.makeShared(); | |
| 2742 nextToken(); | |
| 2743 continue; | |
| 2744 | |
| 2745 case TOK.TOKnothrow: | |
| 2746 (cast(TypeFunction)tf).isnothrow = 1; | |
| 2747 nextToken(); | |
| 2748 continue; | |
| 2749 | |
| 2750 case TOK.TOKpure: | |
| 2751 (cast(TypeFunction)tf).ispure = 1; | |
| 2752 nextToken(); | |
| 2753 continue; | |
| 2754 | |
| 2755 case TOK.TOKat: | |
|
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|
2756 { |
|
131
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|
2757 StorageClass stc = parseAttribute(); |
|
130
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diff
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|
2758 auto tfunc = cast(TypeFunction)tf; |
|
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diff
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|
2759 switch (cast(uint)(stc >> 32)) |
|
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diff
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|
2760 { |
|
60bb0fe4563e
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diff
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|
2761 case STCproperty >> 32: |
|
60bb0fe4563e
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diff
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|
2762 tfunc.isproperty = 1; |
|
60bb0fe4563e
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diff
changeset
|
2763 break; |
|
60bb0fe4563e
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128
diff
changeset
|
2764 case STCsafe >> 32: |
|
60bb0fe4563e
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diff
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|
2765 tfunc.trust = TRUSTsafe; |
|
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diff
changeset
|
2766 break; |
|
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128
diff
changeset
|
2767 case STCsystem >> 32: |
|
60bb0fe4563e
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diff
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|
2768 tfunc.trust = TRUSTsystem; |
|
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diff
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|
2769 break; |
|
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diff
changeset
|
2770 case STCtrusted >> 32: |
|
60bb0fe4563e
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diff
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|
2771 tfunc.trust = TRUSTtrusted; |
|
60bb0fe4563e
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diff
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|
2772 break; |
|
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128
diff
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|
2773 case 0: |
|
60bb0fe4563e
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|
2774 break; |
|
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diff
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|
2775 default: |
|
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|
2776 assert(0); |
|
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diff
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|
2777 } |
|
60bb0fe4563e
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|
2778 nextToken(); |
|
60bb0fe4563e
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|
2779 continue; |
|
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|
2780 } |
| 0 | 2781 default: |
| 2782 break; /// | |
| 2783 } | |
| 2784 break; | |
| 2785 } | |
| 2786 | |
| 2787 /* Insert tf into | |
| 2788 * ts . ... . t | |
| 2789 * so that | |
| 2790 * ts . ... . tf . t | |
| 2791 */ | |
| 2792 Type* pt; | |
| 2793 for (pt = &ts; *pt !is t; pt = &(cast(TypeNext)*pt).next) { | |
| 2794 ; | |
| 2795 } | |
| 2796 *pt = tf; | |
| 2797 break; | |
| 2798 } | |
| 2799 | |
| 2800 default: | |
| 2801 break; /// | |
| 2802 } | |
| 2803 break; | |
| 2804 } | |
| 2805 | |
| 2806 return ts; | |
| 2807 } | |
| 2808 | |
|
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|
2809 Dsymbols parseDeclarations(StorageClass storage_class) |
| 0 | 2810 { |
|
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|
2811 StorageClass stc; |
| 0 | 2812 Type ts; |
| 2813 Type t; | |
| 2814 Type tfirst; | |
| 2815 Identifier ident; | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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diff
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|
2816 Dsymbols a; |
| 0 | 2817 TOK tok = TOK.TOKreserved; |
| 79 | 2818 string comment = token.blockComment; |
| 0 | 2819 LINK link = linkage; |
| 2820 | |
| 2821 //printf("parseDeclarations() %s\n", token.toChars()); | |
| 2822 if (storage_class) | |
| 2823 { ts = null; // infer type | |
| 2824 goto L2; | |
| 2825 } | |
| 2826 | |
| 2827 switch (token.value) | |
| 2828 { | |
| 2829 case TOK.TOKalias: | |
| 2830 /* Look for: | |
| 2831 * alias identifier this; | |
| 2832 */ | |
| 2833 tok = token.value; | |
| 2834 nextToken(); | |
| 2835 if (token.value == TOK.TOKidentifier && peek(&token).value == TOK.TOKthis) | |
| 2836 { | |
| 2837 AliasThis s = new AliasThis(this.loc, token.ident); | |
| 2838 nextToken(); | |
| 2839 check(TOK.TOKthis); | |
| 2840 check(TOK.TOKsemicolon); | |
|
74
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Switch Arrays of Dsymbols to the new templated Vector type
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diff
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|
2841 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
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diff
changeset
|
2842 a.push(s); |
| 0 | 2843 addComment(s, comment); |
| 2844 return a; | |
| 2845 } | |
| 2846 break; | |
| 2847 case TOK.TOKtypedef: | |
| 2848 tok = token.value; | |
| 2849 nextToken(); | |
| 2850 break; | |
| 2851 default: | |
| 2852 break; | |
| 2853 } | |
| 2854 | |
| 2855 storage_class = STC.STCundefined; | |
| 2856 while (1) | |
| 2857 { | |
| 2858 switch (token.value) | |
| 2859 { | |
| 2860 case TOK.TOKconst: | |
| 2861 if (peek(&token).value == TOK.TOKlparen) | |
| 2862 break; // const as type constructor | |
| 2863 stc = STC.STCconst; // const as storage class | |
| 2864 goto L1; | |
| 2865 | |
| 2866 case TOK.TOKinvariant: | |
| 2867 case TOK.TOKimmutable: | |
| 2868 if (peek(&token).value == TOK.TOKlparen) | |
| 2869 break; | |
| 2870 stc = STC.STCimmutable; | |
| 2871 goto L1; | |
| 2872 | |
| 2873 case TOK.TOKshared: | |
| 2874 if (peek(&token).value == TOK.TOKlparen) | |
| 2875 break; | |
| 2876 stc = STC.STCshared; | |
| 2877 goto L1; | |
| 2878 | |
| 2879 case TOK.TOKstatic: stc = STC.STCstatic; goto L1; | |
| 2880 case TOK.TOKfinal: stc = STC.STCfinal; goto L1; | |
| 2881 case TOK.TOKauto: stc = STC.STCauto; goto L1; | |
| 2882 case TOK.TOKscope: stc = STC.STCscope; goto L1; | |
| 2883 case TOK.TOKoverride: stc = STC.STCoverride; goto L1; | |
| 2884 case TOK.TOKabstract: stc = STC.STCabstract; goto L1; | |
| 2885 case TOK.TOKsynchronized: stc = STC.STCsynchronized; goto L1; | |
| 2886 case TOK.TOKdeprecated: stc = STC.STCdeprecated; goto L1; | |
| 2887 version (DMDV2) { | |
| 2888 case TOK.TOKnothrow: stc = STC.STCnothrow; goto L1; | |
| 2889 case TOK.TOKpure: stc = STC.STCpure; goto L1; | |
| 2890 case TOK.TOKref: stc = STC.STCref; goto L1; | |
| 2891 case TOK.TOKtls: stc = STC.STCtls; goto L1; | |
| 2892 case TOK.TOKgshared: stc = STC.STCgshared; goto L1; | |
| 2893 case TOK.TOKenum: stc = STC.STCmanifest; goto L1; | |
|
130
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
2894 case TOK.TOKat: stc = parseAttribute(); goto L1; |
| 0 | 2895 } |
| 2896 L1: | |
| 2897 if (storage_class & stc) | |
| 2898 error("redundant storage class '%s'", token.toChars()); | |
| 2899 storage_class = (storage_class | stc); | |
| 2900 composeStorageClass(storage_class); | |
| 2901 nextToken(); | |
| 2902 continue; | |
| 2903 | |
| 2904 case TOK.TOKextern: | |
| 2905 if (peek(&token).value != TOK.TOKlparen) | |
| 2906 { stc = STC.STCextern; | |
| 2907 goto L1; | |
| 2908 } | |
| 2909 | |
| 2910 link = parseLinkage(); | |
| 2911 continue; | |
| 2912 | |
| 2913 default: | |
| 2914 break; | |
| 2915 } | |
| 2916 break; | |
| 2917 } | |
| 2918 | |
| 2919 /* Look for auto initializers: | |
| 2920 * storage_class identifier = initializer; | |
| 2921 */ | |
| 2922 if (storage_class && | |
| 2923 token.value == TOK.TOKidentifier && | |
| 2924 peek(&token).value == TOK.TOKassign) | |
| 2925 { | |
| 2926 return parseAutoDeclarations(storage_class, comment); | |
| 2927 } | |
| 2928 | |
| 2929 if (token.value == TOK.TOKclass) | |
| 2930 { | |
| 2931 AggregateDeclaration s = cast(AggregateDeclaration)parseAggregate(); | |
| 2932 s.storage_class |= storage_class; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2933 a = new Dsymbols(); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2934 a.push(s); |
| 0 | 2935 addComment(s, comment); |
| 2936 return a; | |
| 2937 } | |
| 2938 | |
| 2939 /* Look for return type inference for template functions. | |
| 2940 */ | |
| 2941 { | |
| 2942 Token *tk; | |
| 2943 if (storage_class && | |
| 2944 token.value == TOK.TOKidentifier && | |
| 2945 (tk = peek(&token)).value == TOK.TOKlparen && | |
| 2946 skipParens(tk, &tk) && | |
| 2947 peek(tk).value == TOK.TOKlparen) | |
| 2948 { | |
| 2949 ts = null; | |
| 2950 } | |
| 2951 else | |
| 2952 { | |
| 2953 ts = parseBasicType(); | |
| 2954 ts = parseBasicType2(ts); | |
| 2955 } | |
| 2956 } | |
| 2957 | |
| 2958 L2: | |
| 2959 tfirst = null; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2960 a = new Dsymbols(); |
| 0 | 2961 |
| 2962 while (1) | |
| 2963 { | |
| 2964 Loc loc = this.loc; | |
| 2965 TemplateParameters tpl = null; | |
| 2966 | |
| 2967 ident = null; | |
| 2968 t = parseDeclarator(ts, &ident, &tpl); | |
| 2969 assert(t); | |
| 2970 if (!tfirst) | |
| 2971 tfirst = t; | |
| 2972 else if (t != tfirst) | |
| 2973 error("multiple declarations must have the same type, not %s and %s", | |
| 2974 tfirst.toChars(), t.toChars()); | |
| 2975 if (!ident) | |
| 2976 error("no identifier for declarator %s", t.toChars()); | |
| 2977 | |
| 2978 if (tok == TOK.TOKtypedef || tok == TOK.TOKalias) | |
| 2979 { Declaration v; | |
| 2980 Initializer init = null; | |
| 2981 | |
| 2982 if (token.value == TOK.TOKassign) | |
| 2983 { | |
| 2984 nextToken(); | |
| 2985 init = parseInitializer(); | |
| 2986 } | |
| 2987 if (tok == TOK.TOKtypedef) | |
| 2988 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2989 else | |
| 2990 { if (init) | |
| 2991 error("alias cannot have initializer"); | |
| 2992 v = new AliasDeclaration(loc, ident, t); | |
| 2993 } | |
| 2994 v.storage_class = storage_class; | |
| 2995 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
|
2996 a.push(v); |
| 0 | 2997 else |
| 2998 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
2999 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
|
3000 ax.push(v); |
| 0 | 3001 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
|
3002 a.push(s); |
| 0 | 3003 } |
| 3004 switch (token.value) | |
| 3005 { case TOK.TOKsemicolon: | |
| 3006 nextToken(); | |
| 3007 addComment(v, comment); | |
| 3008 break; | |
| 3009 | |
| 3010 case TOK.TOKcomma: | |
| 3011 nextToken(); | |
| 3012 addComment(v, comment); | |
| 3013 continue; | |
| 3014 | |
| 3015 default: | |
| 3016 error("semicolon expected to close %s declaration", Token.toChars(tok)); | |
| 3017 break; | |
| 3018 } | |
| 3019 } | |
| 3020 else if (t.ty == TY.Tfunction) | |
| 3021 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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56
diff
changeset
|
3022 auto tf = cast(TypeFunction)t; |
| 0 | 3023 Expression constraint = null; |
| 3024 static if (false) { | |
|
130
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3025 if (Parameter.isTPL(tf.parameters)) |
| 0 | 3026 { |
| 3027 if (!tpl) | |
| 3028 tpl = new TemplateParameters(); | |
| 3029 } | |
| 3030 } | |
| 3031 FuncDeclaration f = | |
| 3032 new FuncDeclaration(loc, Loc(0), ident, storage_class, t); | |
| 3033 addComment(f, comment); | |
| 3034 if (tpl) | |
| 3035 constraint = parseConstraint(); | |
| 3036 parseContracts(f); | |
| 3037 addComment(f, null); | |
| 3038 Dsymbol s; | |
| 3039 if (link == linkage) | |
| 3040 { | |
| 3041 s = f; | |
| 3042 } | |
| 3043 else | |
| 3044 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3045 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
|
3046 ax.push(f); |
| 0 | 3047 s = new LinkDeclaration(link, ax); |
| 3048 } | |
| 3049 /* A template parameter list means it's a function template | |
| 3050 */ | |
| 3051 if (tpl) | |
| 3052 { | |
| 3053 // 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
|
3054 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
|
3055 decldefs.push(s); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3056 auto tempdecl = |
| 0 | 3057 new TemplateDeclaration(loc, s.ident, tpl, constraint, decldefs); |
| 3058 s = tempdecl; | |
| 3059 } | |
| 3060 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
|
3061 a.push(s); |
| 0 | 3062 } |
| 3063 else | |
| 3064 { | |
| 3065 Initializer init = null; | |
| 3066 if (token.value == TOK.TOKassign) | |
| 3067 { | |
| 3068 nextToken(); | |
| 3069 init = parseInitializer(); | |
| 3070 } | |
| 3071 | |
| 3072 VarDeclaration v = new VarDeclaration(loc, t, ident, init); | |
| 3073 v.storage_class = storage_class; | |
| 3074 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
|
3075 a.push(v); |
| 0 | 3076 else |
| 3077 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3078 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
|
3079 ax.push(v); |
|
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3080 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
|
3081 a.push(s); |
| 0 | 3082 } |
| 3083 switch (token.value) | |
| 3084 { case TOK.TOKsemicolon: | |
| 3085 nextToken(); | |
| 3086 addComment(v, comment); | |
| 3087 break; | |
| 3088 | |
| 3089 case TOK.TOKcomma: | |
| 3090 nextToken(); | |
| 3091 addComment(v, comment); | |
| 3092 continue; | |
| 3093 | |
| 3094 default: | |
| 3095 error("semicolon expected, not '%s'", token.toChars()); | |
| 3096 break; | |
| 3097 } | |
| 3098 } | |
| 3099 break; | |
| 3100 } | |
| 3101 return a; | |
| 3102 } | |
| 3103 | |
| 3104 void parseContracts(FuncDeclaration f) | |
| 3105 { | |
| 3106 LINK linksave = linkage; | |
| 3107 | |
| 3108 // The following is irrelevant, as it is overridden by sc.linkage in | |
| 3109 // TypeFunction.semantic | |
| 3110 linkage = LINK.LINKd; // nested functions have D linkage | |
| 3111 L1: | |
| 3112 switch (token.value) | |
| 3113 { | |
| 3114 case TOK.TOKlcurly: | |
| 3115 if (f.frequire || f.fensure) | |
| 3116 error("missing body { ... } after in or out"); | |
| 3117 f.fbody = parseStatement(ParseStatementFlags.PSsemi); | |
| 3118 f.endloc = endloc; | |
| 3119 break; | |
| 3120 | |
| 3121 case TOK.TOKbody: | |
| 3122 nextToken(); | |
| 3123 f.fbody = parseStatement(ParseStatementFlags.PScurly); | |
| 3124 f.endloc = endloc; | |
| 3125 break; | |
| 3126 | |
| 3127 case TOK.TOKsemicolon: | |
| 3128 if (f.frequire || f.fensure) | |
| 3129 error("missing body { ... } after in or out"); | |
| 3130 nextToken(); | |
| 3131 break; | |
| 3132 | |
| 3133 static if (false) { // Do we want this for function declarations, so we can do: | |
| 3134 // int x, y, foo(), z; | |
| 3135 case TOK.TOKcomma: | |
| 3136 nextToken(); | |
| 3137 continue; | |
| 3138 } | |
| 3139 | |
| 3140 static if (false) { // Dumped feature | |
| 3141 case TOK.TOKthrow: | |
| 3142 if (!f.fthrows) | |
| 3143 f.fthrows = new Array(); | |
| 3144 nextToken(); | |
| 3145 check(TOK.TOKlparen); | |
| 3146 while (1) | |
| 3147 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3148 Type tb = parseBasicType(); |
| 0 | 3149 f.fthrows.push(tb); |
| 3150 if (token.value == TOK.TOKcomma) | |
| 3151 { nextToken(); | |
| 3152 continue; | |
| 3153 } | |
| 3154 break; | |
| 3155 } | |
| 3156 check(TOK.TOKrparen); | |
| 3157 goto L1; | |
| 3158 } | |
| 3159 | |
| 3160 case TOK.TOKin: | |
| 3161 nextToken(); | |
| 3162 if (f.frequire) | |
| 3163 error("redundant 'in' statement"); | |
| 3164 f.frequire = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3165 goto L1; | |
| 3166 | |
| 3167 case TOK.TOKout: | |
| 3168 // parse: out (identifier) { statement } | |
| 3169 nextToken(); | |
| 3170 if (token.value != TOK.TOKlcurly) | |
| 3171 { | |
| 3172 check(TOK.TOKlparen); | |
| 3173 if (token.value != TOK.TOKidentifier) | |
| 3174 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 3175 f.outId = token.ident; | |
| 3176 nextToken(); | |
| 3177 check(TOK.TOKrparen); | |
| 3178 } | |
| 3179 if (f.fensure) | |
| 3180 error("redundant 'out' statement"); | |
| 3181 f.fensure = parseStatement(ParseStatementFlags.PScurly | ParseStatementFlags.PSscope); | |
| 3182 goto L1; | |
| 3183 | |
| 3184 default: | |
| 3185 error("semicolon expected following function declaration"); | |
| 3186 break; | |
| 3187 } | |
| 3188 linkage = linksave; | |
| 3189 } | |
| 3190 | |
| 3191 Statement parseStatement(ParseStatementFlags flags) | |
| 3192 { | |
| 3193 Statement s; | |
| 3194 Token* t; | |
| 3195 Condition condition; | |
| 3196 Statement ifbody; | |
| 3197 Statement elsebody; | |
| 3198 bool isfinal; | |
| 3199 Loc loc = this.loc; | |
| 3200 | |
| 3201 //printf("parseStatement()\n"); | |
| 3202 | |
| 3203 if (flags & ParseStatementFlags.PScurly && token.value != TOK.TOKlcurly) | |
| 3204 error("statement expected to be { }, not %s", token.toChars()); | |
| 3205 | |
| 3206 switch (token.value) | |
| 3207 { | |
| 3208 case TOK.TOKidentifier: | |
| 3209 /* A leading identifier can be a declaration, label, or expression. | |
| 3210 * The easiest case to check first is label: | |
| 3211 */ | |
| 3212 t = peek(&token); | |
| 3213 if (t.value == TOK.TOKcolon) | |
| 3214 { // It's a label | |
| 3215 | |
| 3216 Identifier ident = token.ident; | |
| 3217 nextToken(); | |
| 3218 nextToken(); | |
| 3219 s = parseStatement(ParseStatementFlags.PSsemi); | |
| 3220 s = new LabelStatement(loc, ident, s); | |
| 3221 break; | |
| 3222 } | |
| 3223 // fallthrough to TOK.TOKdot | |
| 3224 case TOK.TOKdot: | |
| 3225 case TOK.TOKtypeof: | |
| 3226 if (isDeclaration(&token, 2, TOK.TOKreserved, null)) | |
| 3227 goto Ldeclaration; | |
| 3228 else | |
| 3229 goto Lexp; | |
| 3230 break; | |
| 3231 | |
| 3232 case TOK.TOKassert: | |
| 3233 case TOK.TOKthis: | |
| 3234 case TOK.TOKsuper: | |
| 3235 case TOK.TOKint32v: | |
| 3236 case TOK.TOKuns32v: | |
| 3237 case TOK.TOKint64v: | |
| 3238 case TOK.TOKuns64v: | |
| 3239 case TOK.TOKfloat32v: | |
| 3240 case TOK.TOKfloat64v: | |
| 3241 case TOK.TOKfloat80v: | |
| 3242 case TOK.TOKimaginary32v: | |
| 3243 case TOK.TOKimaginary64v: | |
| 3244 case TOK.TOKimaginary80v: | |
| 3245 case TOK.TOKcharv: | |
| 3246 case TOK.TOKwcharv: | |
| 3247 case TOK.TOKdcharv: | |
| 3248 case TOK.TOKnull: | |
| 3249 case TOK.TOKtrue: | |
| 3250 case TOK.TOKfalse: | |
| 3251 case TOK.TOKstring: | |
| 3252 case TOK.TOKlparen: | |
| 3253 case TOK.TOKcast: | |
| 3254 case TOK.TOKmul: | |
| 3255 case TOK.TOKmin: | |
| 3256 case TOK.TOKadd: | |
| 3257 case TOK.TOKplusplus: | |
| 3258 case TOK.TOKminusminus: | |
| 3259 case TOK.TOKnew: | |
| 3260 case TOK.TOKdelete: | |
| 3261 case TOK.TOKdelegate: | |
| 3262 case TOK.TOKfunction: | |
| 3263 case TOK.TOKtypeid: | |
| 3264 case TOK.TOKis: | |
| 3265 case TOK.TOKlbracket: | |
| 3266 version (DMDV2) { | |
| 3267 case TOK.TOKtraits: | |
| 3268 case TOK.TOKfile: | |
| 3269 case TOK.TOKline: | |
| 3270 } | |
| 3271 Lexp: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3272 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3273 auto exp = parseExpression(); |
| 0 | 3274 check(TOK.TOKsemicolon, "statement"); |
| 3275 s = new ExpStatement(loc, exp); | |
| 3276 break; | |
| 3277 } | |
| 3278 | |
| 3279 case TOK.TOKstatic: | |
| 3280 { // Look ahead to see if it's static assert() or static if() | |
| 3281 Token *tt; | |
| 3282 | |
| 3283 tt = peek(&token); | |
| 3284 if (tt.value == TOK.TOKassert) | |
| 3285 { | |
| 3286 nextToken(); | |
| 3287 s = new StaticAssertStatement(parseStaticAssert()); | |
| 3288 break; | |
| 3289 } | |
| 3290 if (tt.value == TOK.TOKif) | |
| 3291 { | |
| 3292 nextToken(); | |
| 3293 condition = parseStaticIfCondition(); | |
| 3294 goto Lcondition; | |
| 3295 } | |
|
132
c494af1dba80
Fixes for dmd 2.037
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
131
diff
changeset
|
3296 if (tt.value == TOK.TOKstruct || tt.value == TOK.TOKunion || tt.value == TOK.TOKclass) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3297 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3298 nextToken(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3299 auto a = parseBlock(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3300 Dsymbol d = new StorageClassDeclaration(STCstatic, a); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3301 s = new DeclarationStatement(loc, d); |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
3302 if (flags & ParseStatementFlags.PSscope) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3303 s = new ScopeStatement(loc, s); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3304 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3305 } |
| 0 | 3306 goto Ldeclaration; |
| 3307 } | |
| 3308 | |
| 3309 case TOK.TOKfinal: | |
| 3310 if (peekNext() == TOK.TOKswitch) | |
| 3311 { | |
| 3312 nextToken(); | |
| 3313 isfinal = true; | |
| 3314 goto Lswitch; | |
| 3315 } | |
| 3316 goto Ldeclaration; | |
| 3317 | |
| 3318 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 3319 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 3320 case TOK.TOKint8: case TOK.TOKuns8: | |
| 3321 case TOK.TOKint16: case TOK.TOKuns16: | |
| 3322 case TOK.TOKint32: case TOK.TOKuns32: | |
| 3323 case TOK.TOKint64: case TOK.TOKuns64: | |
| 3324 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 3325 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 3326 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 3327 case TOK.TOKvoid: | |
| 3328 case TOK.TOKtypedef: | |
| 3329 case TOK.TOKalias: | |
| 3330 case TOK.TOKconst: | |
| 3331 case TOK.TOKauto: | |
| 3332 case TOK.TOKextern: | |
| 3333 case TOK.TOKinvariant: | |
| 3334 version (DMDV2) { | |
| 3335 case TOK.TOKimmutable: | |
| 3336 case TOK.TOKshared: | |
| 3337 case TOK.TOKnothrow: | |
| 3338 case TOK.TOKpure: | |
| 3339 case TOK.TOKtls: | |
| 3340 case TOK.TOKgshared: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3341 case TOK.TOKat: |
| 0 | 3342 } |
| 3343 // case TOK.TOKtypeof: | |
| 3344 Ldeclaration: | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
3345 { Dsymbols a; |
| 0 | 3346 |
| 3347 a = parseDeclarations(STC.STCundefined); | |
| 3348 if (a.dim > 1) | |
| 3349 { | |
| 3350 Statements as = new Statements(); | |
| 3351 as.reserve(a.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3352 foreach(Dsymbol d; a) |
| 0 | 3353 { |
| 3354 s = new DeclarationStatement(loc, d); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3355 as.push(s); |
| 0 | 3356 } |
| 3357 s = new CompoundDeclarationStatement(loc, as); | |
| 3358 } | |
| 3359 else if (a.dim == 1) | |
| 3360 { | |
|
77
ad4792a1cfd6
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3361 auto d = a[0]; |
| 0 | 3362 s = new DeclarationStatement(loc, d); |
| 3363 } | |
| 3364 else | |
| 3365 assert(0); | |
| 3366 if (flags & ParseStatementFlags.PSscope) | |
| 3367 s = new ScopeStatement(loc, s); | |
| 3368 break; | |
| 3369 } | |
| 3370 | |
| 3371 case TOK.TOKstruct: | |
| 3372 case TOK.TOKunion: | |
| 3373 case TOK.TOKclass: | |
| 3374 case TOK.TOKinterface: | |
| 3375 { Dsymbol d; | |
| 3376 | |
| 3377 d = parseAggregate(); | |
| 3378 s = new DeclarationStatement(loc, d); | |
| 3379 break; | |
| 3380 } | |
| 3381 | |
| 3382 case TOK.TOKenum: | |
| 3383 { /* Determine if this is a manifest constant declaration, | |
| 3384 * or a conventional enum. | |
| 3385 */ | |
| 3386 Dsymbol d; | |
| 3387 Token* tt = peek(&token); | |
| 3388 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon) | |
| 3389 d = parseEnum(); | |
| 3390 else if (tt.value != TOK.TOKidentifier) | |
| 3391 goto Ldeclaration; | |
| 3392 else | |
| 3393 { | |
| 3394 tt = peek(tt); | |
| 3395 if (tt.value == TOK.TOKlcurly || tt.value == TOK.TOKcolon || | |
| 3396 tt.value == TOK.TOKsemicolon) | |
| 3397 d = parseEnum(); | |
| 3398 else | |
| 3399 goto Ldeclaration; | |
| 3400 } | |
| 3401 s = new DeclarationStatement(loc, d); | |
| 3402 break; | |
| 3403 } | |
| 3404 | |
| 3405 case TOK.TOKmixin: | |
| 3406 { t = peek(&token); | |
| 3407 if (t.value == TOK.TOKlparen) | |
| 3408 { // mixin(string) | |
| 3409 nextToken(); | |
| 3410 check(TOK.TOKlparen, "mixin"); | |
| 3411 Expression e = parseAssignExp(); | |
| 3412 check(TOK.TOKrparen); | |
| 3413 check(TOK.TOKsemicolon); | |
| 3414 s = new CompileStatement(loc, e); | |
| 3415 break; | |
| 3416 } | |
| 3417 Dsymbol d = parseMixin(); | |
| 3418 s = new DeclarationStatement(loc, d); | |
| 3419 break; | |
| 3420 } | |
| 3421 | |
| 3422 case TOK.TOKlcurly: | |
| 79 | 3423 { |
| 3424 nextToken(); | |
| 3425 Statements statements = new Statements(); | |
| 3426 while (token.value != TOK.TOKrcurly && token.value != TOKeof) | |
| 0 | 3427 { |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3428 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3429 } |
| 3430 endloc = this.loc; | |
| 3431 s = new CompoundStatement(loc, statements); | |
| 3432 if (flags & (ParseStatementFlags.PSscope | ParseStatementFlags.PScurlyscope)) | |
| 3433 s = new ScopeStatement(loc, s); | |
| 3434 nextToken(); | |
| 3435 break; | |
| 3436 } | |
| 3437 | |
| 3438 case TOK.TOKwhile: | |
| 3439 { Expression condition2; | |
| 3440 Statement body_; | |
| 3441 | |
| 3442 nextToken(); | |
| 3443 check(TOK.TOKlparen); | |
| 3444 condition2 = parseExpression(); | |
| 3445 check(TOK.TOKrparen); | |
| 3446 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3447 s = new WhileStatement(loc, condition2, body_); | |
| 3448 break; | |
| 3449 } | |
| 3450 | |
| 3451 case TOK.TOKsemicolon: | |
| 3452 if (!(flags & ParseStatementFlags.PSsemi)) | |
| 3453 error("use '{ }' for an empty statement, not a ';'"); | |
| 3454 nextToken(); | |
| 3455 s = new ExpStatement(loc, null); | |
| 3456 break; | |
| 3457 | |
| 3458 case TOK.TOKdo: | |
| 3459 { Statement body_; | |
| 3460 Expression condition2; | |
| 3461 | |
| 3462 nextToken(); | |
| 3463 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3464 check(TOK.TOKwhile); | |
| 3465 check(TOK.TOKlparen); | |
| 3466 condition2 = parseExpression(); | |
| 3467 check(TOK.TOKrparen); | |
| 3468 s = new DoStatement(loc, body_, condition2); | |
| 3469 break; | |
| 3470 } | |
| 3471 | |
| 3472 case TOK.TOKfor: | |
| 3473 { | |
| 3474 Statement init; | |
| 3475 Expression condition2; | |
| 3476 Expression increment; | |
| 3477 Statement body_; | |
| 3478 | |
| 3479 nextToken(); | |
| 3480 check(TOK.TOKlparen); | |
| 3481 if (token.value == TOK.TOKsemicolon) | |
| 3482 { init = null; | |
| 3483 nextToken(); | |
| 3484 } | |
| 3485 else | |
| 3486 { init = parseStatement(cast(ParseStatementFlags)0); | |
| 3487 } | |
| 3488 if (token.value == TOK.TOKsemicolon) | |
| 3489 { | |
| 3490 condition2 = null; | |
| 3491 nextToken(); | |
| 3492 } | |
| 3493 else | |
| 3494 { | |
| 3495 condition2 = parseExpression(); | |
| 3496 check(TOK.TOKsemicolon, "for condition"); | |
| 3497 } | |
| 3498 if (token.value == TOK.TOKrparen) | |
| 3499 { increment = null; | |
| 3500 nextToken(); | |
| 3501 } | |
| 3502 else | |
| 3503 { increment = parseExpression(); | |
| 3504 check(TOK.TOKrparen); | |
| 3505 } | |
| 3506 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3507 s = new ForStatement(loc, init, condition2, increment, body_); | |
| 3508 if (init) | |
| 3509 s = new ScopeStatement(loc, s); | |
| 3510 break; | |
| 3511 } | |
| 3512 | |
| 3513 case TOK.TOKforeach: | |
| 3514 case TOK.TOKforeach_reverse: | |
| 3515 { | |
| 3516 TOK op = token.value; | |
| 3517 | |
| 3518 nextToken(); | |
| 3519 check(TOK.TOKlparen); | |
| 3520 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3521 auto arguments = new Parameters(); |
| 0 | 3522 |
| 3523 while (1) | |
| 3524 { | |
| 3525 Identifier ai = null; | |
| 3526 Type at; | |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
3527 StorageClass storageClass = STC.STCundefined; |
| 0 | 3528 |
| 3529 if (token.value == TOK.TOKinout || token.value == TOK.TOKref) | |
| 3530 { storageClass = STC.STCref; | |
| 3531 nextToken(); | |
| 3532 } | |
| 3533 if (token.value == TOK.TOKidentifier) | |
| 3534 { | |
| 3535 Token *tt = peek(&token); | |
| 3536 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3537 { ai = token.ident; | |
| 3538 at = null; // infer argument type | |
| 3539 nextToken(); | |
| 3540 goto Larg; | |
| 3541 } | |
| 3542 } | |
| 3543 at = parseType(&ai); | |
| 3544 if (!ai) | |
| 3545 error("no identifier for declarator %s", at.toChars()); | |
| 3546 Larg: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3547 auto a = new Parameter(storageClass, at, ai, null); |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3548 arguments.push(a); |
| 0 | 3549 if (token.value == TOK.TOKcomma) |
| 3550 { nextToken(); | |
| 3551 continue; | |
| 3552 } | |
| 3553 break; | |
| 3554 } | |
| 3555 check(TOK.TOKsemicolon); | |
| 3556 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3557 Expression aggr = parseExpression(); |
| 0 | 3558 if (token.value == TOK.TOKslice && arguments.dim == 1) |
| 3559 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
125
diff
changeset
|
3560 auto a = arguments[0]; |
| 0 | 3561 delete arguments; |
| 3562 nextToken(); | |
| 3563 Expression upr = parseExpression(); | |
| 3564 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3565 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3566 s = new ForeachRangeStatement(loc, op, a, aggr, upr, body_); |
| 3567 } | |
| 3568 else | |
| 3569 { | |
| 3570 check(TOK.TOKrparen); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3571 auto body_ = parseStatement(cast(ParseStatementFlags)0); |
| 0 | 3572 s = new ForeachStatement(loc, op, arguments, aggr, body_); |
| 3573 } | |
| 3574 break; | |
| 3575 } | |
| 3576 | |
| 3577 case TOK.TOKif: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3578 { Parameter arg = null; |
| 0 | 3579 Expression condition2; |
| 3580 Statement ifbody2; | |
| 3581 Statement elsebody2; | |
| 3582 | |
| 3583 nextToken(); | |
| 3584 check(TOK.TOKlparen); | |
| 3585 | |
| 3586 if (token.value == TOK.TOKauto) | |
| 3587 { | |
| 3588 nextToken(); | |
| 3589 if (token.value == TOK.TOKidentifier) | |
| 3590 { | |
| 3591 Token *tt = peek(&token); | |
| 3592 if (tt.value == TOK.TOKassign) | |
| 3593 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3594 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3595 nextToken(); |
| 3596 nextToken(); | |
| 3597 } | |
| 3598 else | |
| 3599 { error("= expected following auto identifier"); | |
| 3600 goto Lerror; | |
| 3601 } | |
| 3602 } | |
| 3603 else | |
| 3604 { error("identifier expected following auto"); | |
| 3605 goto Lerror; | |
| 3606 } | |
| 3607 } | |
| 3608 else if (isDeclaration(&token, 2, TOK.TOKassign, null)) | |
| 3609 { | |
| 3610 Type at; | |
| 3611 Identifier ai; | |
| 3612 | |
| 3613 at = parseType(&ai); | |
| 3614 check(TOK.TOKassign); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3615 arg = new Parameter(STC.STCundefined, at, ai, null); |
| 0 | 3616 } |
| 3617 | |
| 3618 // Check for " ident;" | |
| 3619 else if (token.value == TOK.TOKidentifier) | |
| 3620 { | |
| 3621 Token *tt = peek(&token); | |
| 3622 if (tt.value == TOK.TOKcomma || tt.value == TOK.TOKsemicolon) | |
| 3623 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
3624 arg = new Parameter(STC.STCundefined, null, token.ident, null); |
| 0 | 3625 nextToken(); |
| 3626 nextToken(); | |
| 3627 if (1 || !global.params.useDeprecated) | |
| 3628 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 3629 } | |
| 3630 } | |
| 3631 | |
| 3632 condition2 = parseExpression(); | |
| 3633 check(TOK.TOKrparen); | |
| 3634 ifbody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3635 if (token.value == TOK.TOKelse) | |
| 3636 { | |
| 3637 nextToken(); | |
| 3638 elsebody2 = parseStatement(ParseStatementFlags.PSscope); | |
| 3639 } | |
| 3640 else | |
| 3641 elsebody2 = null; | |
| 3642 s = new IfStatement(loc, arg, condition2, ifbody2, elsebody2); | |
| 3643 break; | |
| 3644 } | |
| 3645 | |
| 3646 case TOK.TOKscope: | |
| 3647 if (peek(&token).value != TOK.TOKlparen) | |
| 3648 goto Ldeclaration; // scope used as storage class | |
| 3649 nextToken(); | |
| 3650 check(TOK.TOKlparen); | |
| 3651 if (token.value != TOK.TOKidentifier) | |
| 3652 { error("scope identifier expected"); | |
| 3653 goto Lerror; | |
| 3654 } | |
| 3655 else | |
| 3656 { TOK tt = TOK.TOKon_scope_exit; | |
| 3657 Identifier id = token.ident; | |
| 3658 | |
| 3659 if (id == Id.exit) | |
| 3660 tt = TOK.TOKon_scope_exit; | |
| 3661 else if (id == Id.failure) | |
| 3662 tt = TOK.TOKon_scope_failure; | |
| 3663 else if (id == Id.success) | |
| 3664 tt = TOK.TOKon_scope_success; | |
| 3665 else | |
| 3666 error("valid scope identifiers are exit, failure, or success, not %s", id.toChars()); | |
| 3667 nextToken(); | |
| 3668 check(TOK.TOKrparen); | |
| 3669 Statement st = parseStatement(ParseStatementFlags.PScurlyscope); | |
| 3670 s = new OnScopeStatement(loc, tt, st); | |
| 3671 break; | |
| 3672 } | |
| 3673 | |
| 3674 case TOK.TOKdebug: | |
| 3675 nextToken(); | |
| 3676 condition = parseDebugCondition(); | |
| 3677 goto Lcondition; | |
| 3678 | |
| 3679 case TOK.TOKversion: | |
| 3680 nextToken(); | |
| 3681 condition = parseVersionCondition(); | |
| 3682 goto Lcondition; | |
| 3683 | |
| 3684 Lcondition: | |
| 3685 ifbody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3686 elsebody = null; | |
| 3687 if (token.value == TOK.TOKelse) | |
| 3688 { | |
| 3689 nextToken(); | |
| 3690 elsebody = parseStatement(cast(ParseStatementFlags)0 /*ParseStatementFlags.PSsemi*/); | |
| 3691 } | |
| 3692 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3693 break; | |
| 3694 | |
| 3695 case TOK.TOKpragma: | |
| 3696 { Identifier ident; | |
| 3697 Expressions args = null; | |
| 3698 Statement body_; | |
| 3699 | |
| 3700 nextToken(); | |
| 3701 check(TOK.TOKlparen); | |
| 3702 if (token.value != TOK.TOKidentifier) | |
| 3703 { error("pragma(identifier expected"); | |
| 3704 goto Lerror; | |
| 3705 } | |
| 3706 ident = token.ident; | |
| 3707 nextToken(); | |
| 3708 if (token.value == TOK.TOKcomma && peekNext() != TOK.TOKrparen) | |
| 3709 args = parseArguments(); // pragma(identifier, args...); | |
| 3710 else | |
| 3711 check(TOK.TOKrparen); // pragma(identifier); | |
| 3712 if (token.value == TOK.TOKsemicolon) | |
| 3713 { nextToken(); | |
| 3714 body_ = null; | |
| 3715 } | |
| 3716 else | |
| 3717 body_ = parseStatement(ParseStatementFlags.PSsemi); | |
| 3718 s = new PragmaStatement(loc, ident, args, body_); | |
| 3719 break; | |
| 3720 } | |
| 3721 | |
| 3722 case TOK.TOKswitch: | |
| 3723 isfinal = false; | |
| 3724 goto Lswitch; | |
| 3725 | |
| 3726 Lswitch: | |
| 3727 { | |
| 3728 nextToken(); | |
| 3729 check(TOK.TOKlparen); | |
| 3730 Expression condition2 = parseExpression(); | |
| 3731 check(TOK.TOKrparen); | |
| 3732 Statement body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3733 s = new SwitchStatement(loc, condition2, body_, isfinal); | |
| 3734 break; | |
| 3735 } | |
| 3736 | |
| 3737 case TOK.TOKcase: | |
| 3738 { Expression exp; | |
| 3739 Statements statements; | |
|
128
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
3740 scope cases = new Expressions(); // array of Expression's |
| 0 | 3741 Expression last = null; |
| 3742 | |
| 3743 while (1) | |
| 3744 { | |
| 3745 nextToken(); | |
| 3746 exp = parseAssignExp(); | |
|
128
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126
diff
changeset
|
3747 cases.push(exp); |
| 0 | 3748 if (token.value != TOK.TOKcomma) |
| 3749 break; | |
| 3750 } | |
| 3751 check(TOK.TOKcolon); | |
| 3752 | |
| 3753 version (DMDV2) { | |
| 3754 /* case exp: .. case last: | |
| 3755 */ | |
| 3756 if (token.value == TOK.TOKslice) | |
| 3757 { | |
| 3758 if (cases.dim > 1) | |
| 3759 error("only one case allowed for start of case range"); | |
| 3760 nextToken(); | |
| 3761 check(TOK.TOKcase); | |
| 3762 last = parseAssignExp(); | |
| 3763 check(TOK.TOKcolon); | |
| 3764 } | |
| 3765 } | |
| 3766 | |
| 3767 statements = new Statements(); | |
| 3768 while (token.value != TOK.TOKcase && | |
| 3769 token.value != TOK.TOKdefault && | |
| 79 | 3770 token.value != TOKeof && |
| 0 | 3771 token.value != TOK.TOKrcurly) |
| 3772 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3773 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3774 } |
| 3775 s = new CompoundStatement(loc, statements); | |
| 3776 s = new ScopeStatement(loc, s); | |
| 3777 | |
| 3778 ///version (DMDV2) { | |
| 3779 if (last) | |
| 3780 { | |
| 3781 s = new CaseRangeStatement(loc, exp, last, s); | |
| 3782 } | |
| 3783 else | |
| 3784 ///} | |
| 3785 { | |
| 3786 // Keep cases in order by building the case statements backwards | |
| 3787 for (int i = cases.dim; i; i--) | |
| 3788 { | |
|
128
e6e542f37b94
Some more Array -> Vector conversions
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
3789 exp = cases[i - 1]; |
| 0 | 3790 s = new CaseStatement(loc, exp, s); |
| 3791 } | |
| 3792 } | |
| 3793 break; | |
| 3794 } | |
| 3795 | |
| 3796 case TOK.TOKdefault: | |
| 3797 { | |
| 3798 Statements statements; | |
| 3799 | |
| 3800 nextToken(); | |
| 3801 check(TOK.TOKcolon); | |
| 3802 | |
| 3803 statements = new Statements(); | |
| 3804 while (token.value != TOK.TOKcase && | |
| 3805 token.value != TOK.TOKdefault && | |
| 79 | 3806 token.value != TOKeof && |
| 0 | 3807 token.value != TOK.TOKrcurly) |
| 3808 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
3809 statements.push(parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope)); |
| 0 | 3810 } |
| 3811 s = new CompoundStatement(loc, statements); | |
| 3812 s = new ScopeStatement(loc, s); | |
| 3813 s = new DefaultStatement(loc, s); | |
| 3814 break; | |
| 3815 } | |
| 3816 | |
| 3817 case TOK.TOKreturn: | |
| 3818 { Expression exp; | |
| 3819 | |
| 3820 nextToken(); | |
| 3821 if (token.value == TOK.TOKsemicolon) | |
| 3822 exp = null; | |
| 3823 else | |
| 3824 exp = parseExpression(); | |
| 3825 check(TOK.TOKsemicolon, "return statement"); | |
| 3826 s = new ReturnStatement(loc, exp); | |
| 3827 break; | |
| 3828 } | |
| 3829 | |
| 3830 case TOK.TOKbreak: | |
| 3831 { Identifier ident; | |
| 3832 | |
| 3833 nextToken(); | |
| 3834 if (token.value == TOK.TOKidentifier) | |
| 3835 { ident = token.ident; | |
| 3836 nextToken(); | |
| 3837 } | |
| 3838 else | |
| 3839 ident = null; | |
| 3840 check(TOK.TOKsemicolon, "break statement"); | |
| 3841 s = new BreakStatement(loc, ident); | |
| 3842 break; | |
| 3843 } | |
| 3844 | |
| 3845 case TOK.TOKcontinue: | |
| 3846 { Identifier ident; | |
| 3847 | |
| 3848 nextToken(); | |
| 3849 if (token.value == TOK.TOKidentifier) | |
| 3850 { ident = token.ident; | |
| 3851 nextToken(); | |
| 3852 } | |
| 3853 else | |
| 3854 ident = null; | |
| 3855 check(TOK.TOKsemicolon, "continue statement"); | |
| 3856 s = new ContinueStatement(loc, ident); | |
| 3857 break; | |
| 3858 } | |
| 3859 | |
| 3860 case TOK.TOKgoto: | |
| 3861 { Identifier ident; | |
| 3862 | |
| 3863 nextToken(); | |
| 3864 if (token.value == TOK.TOKdefault) | |
| 3865 { | |
| 3866 nextToken(); | |
| 3867 s = new GotoDefaultStatement(loc); | |
| 3868 } | |
| 3869 else if (token.value == TOK.TOKcase) | |
| 3870 { | |
| 3871 Expression exp = null; | |
| 3872 | |
| 3873 nextToken(); | |
| 3874 if (token.value != TOK.TOKsemicolon) | |
| 3875 exp = parseExpression(); | |
| 3876 s = new GotoCaseStatement(loc, exp); | |
| 3877 } | |
| 3878 else | |
| 3879 { | |
| 3880 if (token.value != TOK.TOKidentifier) | |
| 3881 { error("Identifier expected following goto"); | |
| 3882 ident = null; | |
| 3883 } | |
| 3884 else | |
| 3885 { ident = token.ident; | |
| 3886 nextToken(); | |
| 3887 } | |
| 3888 s = new GotoStatement(loc, ident); | |
| 3889 } | |
| 3890 check(TOK.TOKsemicolon, "goto statement"); | |
| 3891 break; | |
| 3892 } | |
| 3893 | |
| 3894 case TOK.TOKsynchronized: | |
| 3895 { Expression exp; | |
| 3896 Statement body_; | |
| 3897 | |
| 3898 nextToken(); | |
| 3899 if (token.value == TOK.TOKlparen) | |
| 3900 { | |
| 3901 nextToken(); | |
| 3902 exp = parseExpression(); | |
| 3903 check(TOK.TOKrparen); | |
| 3904 } | |
| 3905 else | |
| 3906 exp = null; | |
| 3907 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3908 s = new SynchronizedStatement(loc, exp, body_); | |
| 3909 break; | |
| 3910 } | |
| 3911 | |
| 3912 case TOK.TOKwith: | |
| 3913 { Expression exp; | |
| 3914 Statement body_; | |
| 3915 | |
| 3916 nextToken(); | |
| 3917 check(TOK.TOKlparen); | |
| 3918 exp = parseExpression(); | |
| 3919 check(TOK.TOKrparen); | |
| 3920 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3921 s = new WithStatement(loc, exp, body_); | |
| 3922 break; | |
| 3923 } | |
| 3924 | |
| 3925 case TOK.TOKtry: | |
| 3926 { Statement body_; | |
| 3927 Array catches = null; | |
| 3928 Statement finalbody = null; | |
| 3929 | |
| 3930 nextToken(); | |
| 3931 body_ = parseStatement(ParseStatementFlags.PSscope); | |
| 3932 while (token.value == TOK.TOKcatch) | |
| 3933 { | |
| 3934 Statement handler; | |
| 3935 Catch c; | |
| 3936 Type tt; | |
| 3937 Identifier id; | |
| 3938 Loc loc2 = this.loc; | |
| 3939 | |
| 3940 nextToken(); | |
| 3941 if (token.value == TOK.TOKlcurly) | |
| 3942 { | |
| 3943 tt = null; | |
| 3944 id = null; | |
| 3945 } | |
| 3946 else | |
| 3947 { | |
| 3948 check(TOK.TOKlparen); | |
| 3949 id = null; | |
| 3950 tt = parseType(&id); | |
| 3951 check(TOK.TOKrparen); | |
| 3952 } | |
| 3953 handler = parseStatement(cast(ParseStatementFlags)0); | |
| 3954 c = new Catch(loc2, tt, id, handler); | |
| 3955 if (!catches) | |
| 3956 catches = new Array(); | |
| 3957 catches.push(cast(void*)c); | |
| 3958 } | |
| 3959 | |
| 3960 if (token.value == TOK.TOKfinally) | |
| 3961 { nextToken(); | |
| 3962 finalbody = parseStatement(cast(ParseStatementFlags)0); | |
| 3963 } | |
| 3964 | |
| 3965 s = body_; | |
| 3966 if (!catches && !finalbody) | |
| 3967 error("catch or finally expected following try"); | |
| 3968 else | |
| 3969 { if (catches) | |
| 3970 s = new TryCatchStatement(loc, body_, catches); | |
| 3971 if (finalbody) | |
| 3972 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3973 } | |
| 3974 break; | |
| 3975 } | |
| 3976 | |
| 3977 case TOK.TOKthrow: | |
| 3978 { Expression exp; | |
| 3979 | |
| 3980 nextToken(); | |
| 3981 exp = parseExpression(); | |
| 3982 check(TOK.TOKsemicolon, "throw statement"); | |
| 3983 s = new ThrowStatement(loc, exp); | |
| 3984 break; | |
| 3985 } | |
| 3986 | |
| 3987 case TOK.TOKvolatile: | |
| 3988 nextToken(); | |
| 3989 s = parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope); | |
| 3990 version (DMDV2) { | |
| 3991 if (!global.params.useDeprecated) | |
| 3992 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3993 } | |
| 3994 s = new VolatileStatement(loc, s); | |
| 3995 break; | |
| 3996 | |
| 3997 case TOK.TOKasm: | |
| 3998 { Statements statements; | |
| 3999 Identifier label; | |
| 4000 Loc labelloc; | |
| 4001 Token* toklist; | |
| 4002 Token** ptoklist; | |
| 4003 | |
| 4004 // Parse the asm block into a sequence of AsmStatements, | |
| 4005 // each AsmStatement is one instruction. | |
| 4006 // Separate out labels. | |
| 4007 // Defer parsing of AsmStatements until semantic processing. | |
| 4008 | |
| 4009 nextToken(); | |
| 4010 check(TOK.TOKlcurly); | |
| 4011 toklist = null; | |
| 4012 ptoklist = &toklist; | |
| 4013 label = null; | |
| 4014 statements = new Statements(); | |
| 4015 while (1) | |
| 4016 { | |
| 4017 switch (token.value) | |
| 4018 { | |
| 4019 case TOK.TOKidentifier: | |
| 4020 if (!toklist) | |
| 4021 { | |
| 4022 // Look ahead to see if it is a label | |
| 4023 t = peek(&token); | |
| 4024 if (t.value == TOK.TOKcolon) | |
| 4025 { // It's a label | |
| 4026 label = token.ident; | |
| 4027 labelloc = this.loc; | |
| 4028 nextToken(); | |
| 4029 nextToken(); | |
| 4030 continue; | |
| 4031 } | |
| 4032 } | |
| 4033 goto Ldefault; | |
| 4034 | |
| 4035 case TOK.TOKrcurly: | |
| 4036 if (toklist || label) | |
| 4037 { | |
| 4038 error("asm statements must end in ';'"); | |
| 4039 } | |
| 4040 break; | |
| 4041 | |
| 4042 case TOK.TOKsemicolon: | |
| 4043 s = null; | |
| 4044 if (toklist || label) | |
| 4045 { // Create AsmStatement from list of tokens we've saved | |
| 4046 s = new AsmStatement(this.loc, toklist); | |
| 4047 toklist = null; | |
| 4048 ptoklist = &toklist; | |
| 4049 if (label) | |
| 4050 { | |
| 4051 s = new LabelStatement(labelloc, label, s); | |
| 4052 label = null; | |
| 4053 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
4054 statements.push(s); |
| 0 | 4055 } |
| 4056 nextToken(); | |
| 4057 continue; | |
| 4058 | |
| 4059 case TOK.TOKeof: | |
| 4060 /* { */ | |
| 4061 error("matching '}' expected, not end of file"); | |
| 4062 break; | |
| 4063 | |
| 4064 default: | |
| 4065 Ldefault: | |
| 4066 *ptoklist = new Token(); | |
| 4067 memcpy(*ptoklist, &token, Token.sizeof); | |
| 4068 ptoklist = &(*ptoklist).next; | |
| 4069 *ptoklist = null; | |
| 4070 | |
| 4071 nextToken(); | |
| 4072 continue; | |
| 4073 } | |
| 4074 break; | |
| 4075 } | |
| 4076 s = new CompoundStatement(loc, statements); | |
| 4077 nextToken(); | |
| 4078 break; | |
| 4079 } | |
| 4080 | |
| 4081 default: | |
| 4082 error("found '%s' instead of statement", token.toChars()); | |
| 4083 goto Lerror; | |
| 4084 | |
| 4085 Lerror: | |
| 4086 while (token.value != TOK.TOKrcurly && | |
| 4087 token.value != TOK.TOKsemicolon && | |
| 4088 token.value != TOK.TOKeof) | |
| 4089 nextToken(); | |
| 4090 if (token.value == TOK.TOKsemicolon) | |
| 4091 nextToken(); | |
| 4092 s = null; | |
| 4093 break; | |
| 4094 } | |
| 4095 | |
| 4096 return s; | |
| 4097 } | |
| 4098 | |
| 4099 /***************************************** | |
| 4100 * Parse initializer for variable declaration. | |
| 4101 */ | |
| 4102 Initializer parseInitializer() | |
| 4103 { | |
| 4104 StructInitializer is_; | |
| 4105 ArrayInitializer ia; | |
| 4106 ExpInitializer ie; | |
| 4107 Expression e; | |
| 4108 Identifier id; | |
| 4109 Initializer value; | |
| 4110 int comma; | |
| 4111 Loc loc = this.loc; | |
| 4112 Token* t; | |
| 4113 int braces; | |
| 4114 int brackets; | |
| 4115 | |
| 4116 switch (token.value) | |
| 4117 { | |
| 4118 case TOK.TOKlcurly: | |
| 4119 /* Scan ahead to see if it is a struct initializer or | |
| 4120 * a function literal. | |
| 4121 * If it contains a ';', it is a function literal. | |
| 4122 * Treat { } as a struct initializer. | |
| 4123 */ | |
| 4124 braces = 1; | |
| 4125 for (t = peek(&token); 1; t = peek(t)) | |
| 4126 { | |
| 4127 switch (t.value) | |
| 4128 { | |
| 4129 case TOK.TOKsemicolon: | |
| 4130 case TOK.TOKreturn: | |
| 4131 goto Lexpression; | |
| 4132 | |
| 4133 case TOK.TOKlcurly: | |
| 4134 braces++; | |
| 4135 continue; | |
| 4136 | |
| 4137 case TOK.TOKrcurly: | |
| 4138 if (--braces == 0) | |
| 4139 break; | |
| 4140 continue; | |
| 4141 | |
| 4142 case TOK.TOKeof: | |
| 4143 break; | |
| 4144 | |
| 4145 default: | |
| 4146 continue; | |
| 4147 } | |
| 4148 break; | |
| 4149 } | |
| 4150 | |
| 4151 is_ = new StructInitializer(loc); | |
| 4152 nextToken(); | |
| 4153 comma = 0; | |
| 4154 while (1) | |
| 4155 { | |
| 4156 switch (token.value) | |
| 4157 { | |
| 4158 case TOK.TOKidentifier: | |
| 4159 if (comma == 1) | |
| 4160 error("comma expected separating field initializers"); | |
| 4161 t = peek(&token); | |
| 4162 if (t.value == TOK.TOKcolon) | |
| 4163 { | |
| 4164 id = token.ident; | |
| 4165 nextToken(); | |
| 4166 nextToken(); // skip over ':' | |
| 4167 } | |
| 4168 else | |
| 4169 { | |
| 4170 id = null; | |
| 4171 } | |
| 4172 value = parseInitializer(); | |
| 4173 is_.addInit(id, value); | |
| 4174 comma = 1; | |
| 4175 continue; | |
| 4176 | |
| 4177 case TOK.TOKcomma: | |
| 4178 nextToken(); | |
| 4179 comma = 2; | |
| 4180 continue; | |
| 4181 | |
| 4182 case TOK.TOKrcurly: // allow trailing comma's | |
| 4183 nextToken(); | |
| 4184 break; | |
| 4185 | |
| 4186 case TOK.TOKeof: | |
| 4187 error("found EOF instead of initializer"); | |
| 4188 break; | |
| 4189 | |
| 4190 default: | |
| 4191 value = parseInitializer(); | |
| 4192 is_.addInit(null, value); | |
| 4193 comma = 1; | |
| 4194 continue; | |
| 4195 //error("found '%s' instead of field initializer", token.toChars()); | |
| 4196 //break; | |
| 4197 } | |
| 4198 break; | |
| 4199 } | |
| 4200 return is_; | |
| 4201 | |
| 4202 case TOK.TOKlbracket: | |
| 4203 /* Scan ahead to see if it is an array initializer or | |
| 4204 * an expression. | |
| 4205 * If it ends with a ';' ',' or '}', it is an array initializer. | |
| 4206 */ | |
| 4207 brackets = 1; | |
| 4208 for (t = peek(&token); 1; t = peek(t)) | |
| 4209 { | |
| 4210 switch (t.value) | |
| 4211 { | |
| 4212 case TOK.TOKlbracket: | |
| 4213 brackets++; | |
| 4214 continue; | |
| 4215 | |
| 4216 case TOK.TOKrbracket: | |
| 4217 if (--brackets == 0) | |
| 4218 { | |
| 4219 t = peek(t); | |
| 4220 if (t.value != TOK.TOKsemicolon && | |
| 4221 t.value != TOK.TOKcomma && | |
| 4222 t.value != TOK.TOKrcurly) | |
| 4223 goto Lexpression; | |
| 4224 break; | |
| 4225 } | |
| 4226 continue; | |
| 4227 | |
| 4228 case TOK.TOKeof: | |
| 4229 break; | |
| 4230 | |
| 4231 default: | |
| 4232 continue; | |
| 4233 } | |
| 4234 break; | |
| 4235 } | |
| 4236 | |
| 4237 ia = new ArrayInitializer(loc); | |
| 4238 nextToken(); | |
| 4239 comma = 0; | |
| 4240 while (true) | |
| 4241 { | |
| 4242 switch (token.value) | |
| 4243 { | |
| 4244 default: | |
| 4245 if (comma == 1) | |
| 4246 { | |
| 4247 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4248 nextToken(); | |
| 4249 break; | |
| 4250 } | |
| 4251 e = parseAssignExp(); | |
| 4252 if (!e) | |
| 4253 break; | |
| 4254 if (token.value == TOK.TOKcolon) | |
| 4255 { | |
| 4256 nextToken(); | |
| 4257 value = parseInitializer(); | |
| 4258 } | |
| 4259 else | |
| 4260 { value = new ExpInitializer(e.loc, e); | |
| 4261 e = null; | |
| 4262 } | |
| 4263 ia.addInit(e, value); | |
| 4264 comma = 1; | |
| 4265 continue; | |
| 4266 | |
| 4267 case TOK.TOKlcurly: | |
| 4268 case TOK.TOKlbracket: | |
| 4269 if (comma == 1) | |
| 4270 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 4271 value = parseInitializer(); | |
| 4272 ia.addInit(null, value); | |
| 4273 comma = 1; | |
| 4274 continue; | |
| 4275 | |
| 4276 case TOK.TOKcomma: | |
| 4277 nextToken(); | |
| 4278 comma = 2; | |
| 4279 continue; | |
| 4280 | |
| 4281 case TOK.TOKrbracket: // allow trailing comma's | |
| 4282 nextToken(); | |
| 4283 break; | |
| 4284 | |
| 4285 case TOK.TOKeof: | |
| 4286 error("found '%s' instead of array initializer", token.toChars()); | |
| 4287 break; | |
| 4288 } | |
| 4289 break; | |
| 4290 } | |
| 4291 return ia; | |
| 4292 | |
| 4293 case TOK.TOKvoid: | |
| 4294 t = peek(&token); | |
| 4295 if (t.value == TOK.TOKsemicolon || t.value == TOK.TOKcomma) | |
| 4296 { | |
| 4297 nextToken(); | |
| 4298 return new VoidInitializer(loc); | |
| 4299 } | |
| 4300 goto Lexpression; | |
| 4301 | |
| 4302 default: | |
| 4303 Lexpression: | |
| 4304 e = parseAssignExp(); | |
| 4305 ie = new ExpInitializer(loc, e); | |
| 4306 return ie; | |
| 4307 } | |
| 4308 } | |
| 4309 | |
| 4310 /***************************************** | |
| 4311 * Parses default argument initializer expression that is an assign expression, | |
| 4312 * with special handling for __FILE__ and __LINE__. | |
| 4313 */ | |
| 4314 version (DMDV2) { | |
| 4315 Expression parseDefaultInitExp() | |
| 4316 { | |
| 4317 if (token.value == TOK.TOKfile || | |
| 4318 token.value == TOK.TOKline) | |
| 4319 { | |
| 4320 Token* t = peek(&token); | |
| 4321 if (t.value == TOK.TOKcomma || t.value == TOK.TOKrparen) | |
| 4322 { | |
| 4323 Expression e; | |
| 4324 | |
| 4325 if (token.value == TOK.TOKfile) | |
| 4326 e = new FileInitExp(loc); | |
| 4327 else | |
| 4328 e = new LineInitExp(loc); | |
| 4329 nextToken(); | |
| 4330 return e; | |
| 4331 } | |
| 4332 } | |
| 4333 | |
| 4334 Expression e = parseAssignExp(); | |
| 4335 return e; | |
| 4336 } | |
| 4337 } | |
| 4338 void check(Loc loc, TOK value) | |
| 4339 { | |
| 4340 if (token.value != value) | |
| 4341 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token.toChars(value)); | |
| 4342 nextToken(); | |
| 4343 } | |
| 4344 | |
| 4345 void check(TOK value) | |
| 4346 { | |
| 4347 check(loc, value); | |
| 4348 } | |
| 4349 | |
| 4350 void check(TOK value, string string_) | |
| 4351 { | |
| 4352 if (token.value != value) { | |
| 4353 error("found '%s' when expecting '%s' following '%s'", token.toChars(), Token.toChars(value), string_); | |
| 4354 } | |
| 4355 nextToken(); | |
| 4356 } | |
| 4357 | |
| 4358 /************************************ | |
| 4359 * Determine if the scanner is sitting on the start of a declaration. | |
| 4360 * Input: | |
| 4361 * needId 0 no identifier | |
| 4362 * 1 identifier optional | |
| 4363 * 2 must have identifier | |
| 4364 * Output: | |
| 4365 * if *pt is not null, it is set to the ending token, which would be endtok | |
| 4366 */ | |
| 4367 | |
| 4368 bool isDeclaration(Token* t, int needId, TOK endtok, Token** pt) | |
| 4369 { | |
| 4370 //printf("isDeclaration(needId = %d)\n", needId); | |
| 4371 int haveId = 0; | |
| 4372 | |
| 4373 version (DMDV2) { | |
| 4374 if ((t.value == TOK.TOKconst || | |
| 4375 t.value == TOK.TOKinvariant || | |
| 4376 t.value == TOK.TOKimmutable || | |
| 4377 t.value == TOK.TOKshared) && | |
| 4378 peek(t).value != TOK.TOKlparen) | |
| 4379 { | |
| 4380 /* const type | |
| 4381 * immutable type | |
| 4382 * shared type | |
| 4383 */ | |
| 4384 t = peek(t); | |
| 4385 } | |
| 4386 } | |
| 4387 | |
| 4388 if (!isBasicType(&t)) | |
| 4389 { | |
| 4390 goto Lisnot; | |
| 4391 } | |
| 4392 if (!isDeclarator(&t, &haveId, endtok)) | |
| 4393 goto Lisnot; | |
| 4394 if ( needId == 1 || | |
| 4395 (needId == 0 && !haveId) || | |
| 4396 (needId == 2 && haveId)) | |
| 4397 { | |
| 4398 if (pt) | |
| 4399 *pt = t; | |
| 4400 goto Lis; | |
| 4401 } | |
| 4402 else | |
| 4403 goto Lisnot; | |
| 4404 | |
| 4405 Lis: | |
| 4406 //printf("\tis declaration, t = %s\n", t.toChars()); | |
| 4407 return true; | |
| 4408 | |
| 4409 Lisnot: | |
| 4410 //printf("\tis not declaration\n"); | |
| 4411 return false; | |
| 4412 } | |
| 4413 | |
| 4414 bool isBasicType(Token** pt) | |
| 4415 { | |
| 4416 // This code parallels parseBasicType() | |
| 4417 Token* t = *pt; | |
| 4418 Token* t2; | |
| 4419 int parens; | |
| 4420 int haveId = 0; | |
| 4421 | |
| 4422 switch (t.value) | |
| 4423 { | |
| 4424 case TOKwchar: | |
| 4425 case TOKdchar: | |
| 4426 case TOKbit: | |
| 4427 case TOKbool: | |
| 4428 case TOKchar: | |
| 4429 case TOKint8: | |
| 4430 case TOKuns8: | |
| 4431 case TOKint16: | |
| 4432 case TOKuns16: | |
| 4433 case TOKint32: | |
| 4434 case TOKuns32: | |
| 4435 case TOKint64: | |
| 4436 case TOKuns64: | |
| 4437 case TOKfloat32: | |
| 4438 case TOKfloat64: | |
| 4439 case TOKfloat80: | |
| 4440 case TOKimaginary32: | |
| 4441 case TOKimaginary64: | |
| 4442 case TOKimaginary80: | |
| 4443 case TOKcomplex32: | |
| 4444 case TOKcomplex64: | |
| 4445 case TOKcomplex80: | |
| 4446 case TOKvoid: | |
| 4447 t = peek(t); | |
| 4448 break; | |
| 4449 | |
| 4450 case TOK.TOKidentifier: | |
| 4451 L5: | |
| 4452 t = peek(t); | |
| 4453 if (t.value == TOK.TOKnot) | |
| 4454 { | |
| 4455 goto L4; | |
| 4456 } | |
| 4457 goto L3; | |
| 4458 while (1) | |
| 4459 { | |
| 4460 L2: | |
| 4461 t = peek(t); | |
| 4462 L3: | |
| 4463 if (t.value == TOK.TOKdot) | |
| 4464 { | |
| 4465 Ldot: | |
| 4466 t = peek(t); | |
| 4467 if (t.value != TOK.TOKidentifier) | |
| 4468 goto Lfalse; | |
| 4469 t = peek(t); | |
| 4470 if (t.value != TOK.TOKnot) | |
| 4471 goto L3; | |
| 4472 L4: | |
| 4473 /* Seen a ! | |
| 4474 * Look for: | |
| 4475 * !( args ), !identifier, etc. | |
| 4476 */ | |
| 4477 t = peek(t); | |
| 4478 switch (t.value) | |
| 4479 { case TOK.TOKidentifier: | |
| 4480 goto L5; | |
| 4481 case TOK.TOKlparen: | |
| 4482 if (!skipParens(t, &t)) | |
| 4483 goto Lfalse; | |
| 4484 break; | |
| 4485 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 4486 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 4487 case TOK.TOKint8: case TOK.TOKuns8: | |
| 4488 case TOK.TOKint16: case TOK.TOKuns16: | |
| 4489 case TOK.TOKint32: case TOK.TOKuns32: | |
| 4490 case TOK.TOKint64: case TOK.TOKuns64: | |
| 4491 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 4492 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 4493 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 4494 case TOK.TOKvoid: | |
| 4495 case TOK.TOKint32v: | |
| 4496 case TOK.TOKuns32v: | |
| 4497 case TOK.TOKint64v: | |
| 4498 case TOK.TOKuns64v: | |
| 4499 case TOK.TOKfloat32v: | |
| 4500 case TOK.TOKfloat64v: | |
| 4501 case TOK.TOKfloat80v: | |
| 4502 case TOK.TOKimaginary32v: | |
| 4503 case TOK.TOKimaginary64v: | |
| 4504 case TOK.TOKimaginary80v: | |
| 4505 case TOK.TOKnull: | |
| 4506 case TOK.TOKtrue: | |
| 4507 case TOK.TOKfalse: | |
| 4508 case TOK.TOKcharv: | |
| 4509 case TOK.TOKwcharv: | |
| 4510 case TOK.TOKdcharv: | |
| 4511 case TOK.TOKstring: | |
| 4512 case TOK.TOKfile: | |
| 4513 case TOK.TOKline: | |
| 4514 goto L2; | |
| 4515 default: | |
| 4516 goto Lfalse; | |
| 4517 } | |
| 4518 } | |
| 4519 else | |
| 4520 break; | |
| 4521 } | |
| 4522 break; | |
| 4523 | |
| 4524 case TOK.TOKdot: | |
| 4525 goto Ldot; | |
| 4526 | |
| 4527 case TOK.TOKtypeof: | |
| 4528 /* typeof(exp).identifier... | |
| 4529 */ | |
| 4530 t = peek(t); | |
| 4531 if (t.value != TOK.TOKlparen) | |
| 4532 goto Lfalse; | |
| 4533 if (!skipParens(t, &t)) | |
| 4534 goto Lfalse; | |
| 4535 goto L2; | |
| 4536 | |
| 4537 case TOK.TOKconst: | |
| 4538 case TOK.TOKinvariant: | |
| 4539 case TOK.TOKimmutable: | |
| 4540 case TOK.TOKshared: | |
| 4541 // const(type) or immutable(type) or shared(type) | |
| 4542 t = peek(t); | |
| 4543 if (t.value != TOK.TOKlparen) | |
| 4544 goto Lfalse; | |
| 4545 t = peek(t); | |
| 4546 if (!isDeclaration(t, 0, TOK.TOKrparen, &t)) | |
| 4547 { | |
| 4548 goto Lfalse; | |
| 4549 } | |
| 4550 t = peek(t); | |
| 4551 break; | |
| 4552 | |
| 4553 default: | |
| 4554 goto Lfalse; | |
| 4555 } | |
| 4556 *pt = t; | |
| 4557 //printf("is\n"); | |
| 4558 return true; | |
| 4559 | |
| 4560 Lfalse: | |
| 4561 //printf("is not\n"); | |
| 4562 return false; | |
| 4563 } | |
| 4564 | |
| 4565 bool isDeclarator(Token** pt, int* haveId, TOK endtok) | |
| 4566 { | |
| 4567 // This code parallels parseDeclarator() | |
| 4568 Token* t = *pt; | |
| 4569 bool parens; | |
| 4570 | |
| 4571 //printf("Parser.isDeclarator()\n"); | |
| 4572 //t.print(); | |
| 4573 if (t.value == TOK.TOKassign) | |
| 4574 return false; | |
| 4575 | |
| 4576 while (true) | |
| 4577 { | |
| 4578 parens = false; | |
| 4579 switch (t.value) | |
| 4580 { | |
| 4581 case TOK.TOKmul: | |
| 4582 //case TOKand: | |
| 4583 t = peek(t); | |
| 4584 continue; | |
| 4585 | |
| 4586 case TOK.TOKlbracket: | |
| 4587 t = peek(t); | |
| 4588 if (t.value == TOK.TOKrbracket) | |
| 4589 { | |
| 4590 t = peek(t); | |
| 4591 } | |
| 79 | 4592 else if (t.value == TOKnew && peek(t).value == TOKrbracket) |
| 4593 { | |
| 4594 t = peek(t); | |
| 4595 t = peek(t); | |
| 4596 } | |
| 0 | 4597 else if (isDeclaration(t, 0, TOK.TOKrbracket, &t)) |
| 4598 { | |
| 4599 // It's an associative array declaration | |
| 4600 t = peek(t); | |
| 4601 } | |
| 4602 else | |
| 4603 { | |
| 4604 // [ expression ] | |
| 4605 // [ expression .. expression ] | |
| 4606 if (!isExpression(&t)) | |
| 4607 return false; | |
| 4608 if (t.value == TOK.TOKslice) | |
| 4609 { | |
| 4610 t = peek(t); | |
| 4611 if (!isExpression(&t)) | |
| 4612 return false; | |
| 4613 } | |
| 4614 if (t.value != TOK.TOKrbracket) | |
| 4615 return false; | |
| 4616 t = peek(t); | |
| 4617 } | |
| 4618 continue; | |
| 4619 | |
| 4620 case TOK.TOKidentifier: | |
| 4621 if (*haveId) | |
| 4622 return false; | |
| 4623 *haveId = true; | |
| 4624 t = peek(t); | |
| 4625 break; | |
| 4626 | |
| 4627 case TOK.TOKlparen: | |
| 4628 t = peek(t); | |
| 4629 | |
| 4630 if (t.value == TOK.TOKrparen) | |
| 4631 return false; // () is not a declarator | |
| 4632 | |
| 4633 /* Regard ( identifier ) as not a declarator | |
| 4634 * BUG: what about ( *identifier ) in | |
| 4635 * f(*p)(x); | |
| 4636 * where f is a class instance with overloaded () ? | |
| 4637 * Should we just disallow C-style function pointer declarations? | |
| 4638 */ | |
| 4639 if (t.value == TOK.TOKidentifier) | |
| 4640 { | |
| 4641 Token *t2 = peek(t); | |
| 4642 if (t2.value == TOK.TOKrparen) | |
| 4643 return false; | |
| 4644 } | |
| 4645 | |
| 4646 if (!isDeclarator(&t, haveId, TOK.TOKrparen)) | |
| 4647 return false; | |
| 4648 t = peek(t); | |
| 4649 parens = true; | |
| 4650 break; | |
| 4651 | |
| 4652 case TOK.TOKdelegate: | |
| 4653 case TOK.TOKfunction: | |
| 4654 t = peek(t); | |
| 4655 if (!isParameters(&t)) | |
| 4656 return false; | |
| 4657 continue; | |
| 4658 default: | |
| 4659 break; /// | |
| 4660 } | |
| 4661 break; | |
| 4662 } | |
| 4663 | |
| 4664 while (1) | |
| 4665 { | |
| 4666 switch (t.value) | |
| 4667 { | |
| 4668 version (CARRAYDECL) { | |
| 4669 case TOK.TOKlbracket: | |
| 4670 parens = false; | |
| 4671 t = peek(t); | |
| 4672 if (t.value == TOK.TOKrbracket) | |
| 4673 { | |
| 4674 t = peek(t); | |
| 4675 } | |
| 4676 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 4677 { | |
| 4678 // It's an associative array declaration | |
| 4679 t = peek(t); | |
| 4680 } | |
| 4681 else | |
| 4682 { | |
| 4683 // [ expression ] | |
| 4684 if (!isExpression(&t)) | |
| 4685 return false; | |
| 4686 if (t.value != TOK.TOKrbracket) | |
| 4687 return false; | |
| 4688 t = peek(t); | |
| 4689 } | |
| 4690 continue; | |
| 4691 } | |
| 4692 | |
| 4693 case TOK.TOKlparen: | |
| 4694 parens = false; | |
| 4695 if (!isParameters(&t)) | |
| 4696 return false; | |
| 4697 version (DMDV2) { | |
| 4698 while (true) | |
| 4699 { | |
| 4700 switch (t.value) | |
| 4701 { | |
| 4702 case TOK.TOKconst: | |
| 4703 case TOK.TOKinvariant: | |
| 4704 case TOK.TOKimmutable: | |
| 4705 case TOK.TOKshared: | |
| 4706 case TOK.TOKpure: | |
| 4707 case TOK.TOKnothrow: | |
| 4708 t = peek(t); | |
| 4709 continue; | |
| 4710 case TOK.TOKat: | |
| 4711 t = peek(t); // skip '@' | |
| 4712 t = peek(t); // skip identifier | |
| 4713 continue; | |
| 4714 default: | |
| 4715 break; | |
| 4716 } | |
| 4717 break; | |
| 4718 } | |
| 4719 } | |
| 4720 continue; | |
| 4721 | |
| 4722 // Valid tokens that follow a declaration | |
| 4723 case TOK.TOKrparen: | |
| 4724 case TOK.TOKrbracket: | |
| 4725 case TOK.TOKassign: | |
| 4726 case TOK.TOKcomma: | |
| 4727 case TOK.TOKsemicolon: | |
| 4728 case TOK.TOKlcurly: | |
| 4729 case TOK.TOKin: | |
| 4730 // The !parens is to disallow unnecessary parentheses | |
| 4731 if (!parens && (endtok == TOK.TOKreserved || endtok == t.value)) | |
| 4732 { | |
| 4733 *pt = t; | |
| 4734 return true; | |
| 4735 } | |
| 4736 return false; | |
| 4737 | |
| 4738 default: | |
| 4739 return false; | |
| 4740 } | |
| 4741 } | |
| 4742 } | |
| 4743 | |
| 4744 bool isParameters(Token** pt) | |
| 4745 { | |
| 4746 // This code parallels parseParameters() | |
| 4747 Token* t = *pt; | |
| 4748 | |
| 4749 //printf("isParameters()\n"); | |
| 4750 if (t.value != TOKlparen) | |
| 4751 return false; | |
| 4752 | |
| 4753 t = peek(t); | |
| 4754 for (;1; t = peek(t)) | |
| 4755 { | |
| 4756 L1: | |
| 4757 switch (t.value) | |
| 4758 { | |
| 4759 case TOKrparen: | |
| 4760 break; | |
| 4761 | |
| 4762 case TOKdotdotdot: | |
| 4763 t = peek(t); | |
| 4764 break; | |
| 4765 | |
| 4766 case TOKin: | |
| 4767 case TOKout: | |
| 4768 case TOKinout: | |
| 4769 case TOKref: | |
| 4770 case TOKlazy: | |
| 4771 case TOKfinal: | |
| 4772 continue; | |
| 4773 | |
| 4774 case TOKconst: | |
| 4775 case TOKinvariant: | |
| 4776 case TOKimmutable: | |
| 4777 case TOKshared: | |
| 4778 t = peek(t); | |
| 4779 if (t.value == TOKlparen) | |
| 4780 { | |
| 4781 t = peek(t); | |
| 4782 if (!isDeclaration(t, 0, TOKrparen, &t)) | |
| 4783 return false; | |
| 4784 t = peek(t); // skip past closing ')' | |
| 4785 goto L2; | |
| 4786 } | |
| 4787 goto L1; | |
| 4788 | |
| 4789 static if (false) { | |
| 4790 case TOKstatic: | |
| 4791 continue; | |
| 4792 case TOKauto: | |
| 4793 case TOKalias: | |
| 4794 t = peek(t); | |
| 4795 if (t.value == TOKidentifier) | |
| 4796 t = peek(t); | |
| 4797 if (t.value == TOKassign) | |
| 4798 { t = peek(t); | |
| 4799 if (!isExpression(&t)) | |
| 4800 return false; | |
| 4801 } | |
| 4802 goto L3; | |
| 4803 } | |
| 4804 | |
| 4805 default: | |
| 4806 { | |
| 4807 if (!isBasicType(&t)) | |
| 4808 return false; | |
| 4809 L2: | |
| 4810 int tmp = false; | |
| 4811 if (t.value != TOKdotdotdot && | |
| 4812 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 4813 return false; | |
| 4814 if (t.value == TOKassign) | |
| 4815 { | |
| 4816 t = peek(t); | |
| 4817 if (!isExpression(&t)) | |
| 4818 return false; | |
| 4819 } | |
| 4820 if (t.value == TOKdotdotdot) | |
| 4821 { | |
| 4822 t = peek(t); | |
| 4823 break; | |
| 4824 } | |
| 4825 } | |
| 4826 L3: | |
| 4827 if (t.value == TOKcomma) | |
| 4828 { | |
| 4829 continue; | |
| 4830 } | |
| 4831 break; | |
| 4832 } | |
| 4833 break; | |
| 4834 } | |
| 4835 | |
| 4836 if (t.value != TOKrparen) | |
| 4837 return false; | |
| 4838 | |
| 4839 t = peek(t); | |
| 4840 *pt = t; | |
| 4841 return true; | |
| 4842 } | |
| 4843 | |
| 4844 bool isExpression(Token** pt) | |
| 4845 { | |
| 4846 // This is supposed to determine if something is an expression. | |
| 4847 // What it actually does is scan until a closing right bracket | |
| 4848 // is found. | |
| 4849 | |
| 4850 Token* t = *pt; | |
| 4851 int brnest = 0; | |
| 4852 int panest = 0; | |
| 4853 int curlynest = 0; | |
| 4854 | |
| 4855 for (;; t = peek(t)) | |
| 4856 { | |
| 4857 switch (t.value) | |
| 4858 { | |
| 4859 case TOKlbracket: | |
| 4860 brnest++; | |
| 4861 continue; | |
| 4862 | |
| 4863 case TOKrbracket: | |
| 4864 if (--brnest >= 0) | |
| 4865 continue; | |
| 4866 break; | |
| 4867 | |
| 4868 case TOKlparen: | |
| 4869 panest++; | |
| 4870 continue; | |
| 4871 | |
| 4872 case TOKcomma: | |
| 4873 if (brnest || panest) | |
| 4874 continue; | |
| 4875 break; | |
| 4876 | |
| 4877 case TOKrparen: | |
| 4878 if (--panest >= 0) | |
| 4879 continue; | |
| 4880 break; | |
| 4881 | |
| 4882 case TOKlcurly: | |
| 4883 curlynest++; | |
| 4884 continue; | |
| 4885 | |
| 4886 case TOKrcurly: | |
| 4887 if (--curlynest >= 0) | |
| 4888 continue; | |
| 4889 return false; | |
| 4890 | |
| 4891 case TOKslice: | |
| 4892 if (brnest) | |
| 4893 continue; | |
| 4894 break; | |
| 4895 | |
| 4896 case TOKsemicolon: | |
| 4897 if (curlynest) | |
| 4898 continue; | |
| 4899 return false; | |
| 4900 | |
| 4901 case TOKeof: | |
| 4902 return false; | |
| 4903 | |
| 4904 default: | |
| 4905 continue; | |
| 4906 } | |
| 4907 break; | |
| 4908 } | |
| 4909 | |
| 4910 *pt = t; | |
| 4911 return true; | |
| 4912 } | |
| 4913 | |
| 4914 int isTemplateInstance(Token t, Token* pt) | |
| 4915 { | |
| 4916 assert(false); | |
| 4917 } | |
| 4918 | |
| 4919 /******************************************* | |
| 4920 * Skip parens, brackets. | |
| 4921 * Input: | |
| 4922 * t is on opening ( | |
| 4923 * Output: | |
| 4924 * *pt is set to closing token, which is ')' on success | |
| 4925 * Returns: | |
| 4926 * !=0 successful | |
| 4927 * 0 some parsing error | |
| 4928 */ | |
| 4929 bool skipParens(Token* t, Token** pt) | |
| 4930 { | |
| 4931 int parens = 0; | |
| 4932 | |
| 4933 while (1) | |
| 4934 { | |
| 4935 switch (t.value) | |
| 4936 { | |
| 4937 case TOKlparen: | |
| 4938 parens++; | |
| 4939 break; | |
| 4940 | |
| 4941 case TOKrparen: | |
| 4942 parens--; | |
| 4943 if (parens < 0) | |
| 4944 goto Lfalse; | |
| 4945 if (parens == 0) | |
| 4946 goto Ldone; | |
| 4947 break; | |
| 4948 | |
| 4949 case TOKeof: | |
| 4950 case TOKsemicolon: | |
| 4951 goto Lfalse; | |
| 4952 | |
| 4953 default: | |
| 4954 break; | |
| 4955 } | |
| 4956 t = peek(t); | |
| 4957 } | |
| 4958 | |
| 4959 Ldone: | |
| 4960 if (*pt) | |
| 4961 *pt = t; | |
| 4962 return true; | |
| 4963 | |
| 4964 Lfalse: | |
| 4965 return false; | |
| 4966 } | |
| 4967 | |
| 4968 Expression parseExpression() | |
| 4969 { | |
| 4970 Expression e; | |
| 4971 Expression e2; | |
| 4972 Loc loc = this.loc; | |
| 4973 | |
| 4974 //printf("Parser.parseExpression() loc = %d\n", loc.linnum); | |
| 4975 e = parseAssignExp(); | |
| 4976 while (token.value == TOK.TOKcomma) | |
| 4977 { | |
| 4978 nextToken(); | |
| 4979 e2 = parseAssignExp(); | |
| 4980 e = new CommaExp(loc, e, e2); | |
| 4981 loc = this.loc; | |
| 4982 } | |
| 4983 return e; | |
| 4984 } | |
| 4985 | |
| 4986 Expression parsePrimaryExp() | |
| 4987 { | |
| 4988 Expression e; | |
| 4989 Type t; | |
| 4990 Identifier id; | |
| 4991 TOK save; | |
| 4992 Loc loc = this.loc; | |
| 4993 | |
| 4994 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 4995 switch (token.value) | |
| 4996 { | |
| 4997 case TOK.TOKidentifier: | |
| 4998 id = token.ident; | |
| 4999 nextToken(); | |
| 5000 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5001 { // identifier!(template-argument-list) | |
| 5002 TemplateInstance tempinst; | |
| 5003 | |
| 5004 tempinst = new TemplateInstance(loc, id); | |
| 5005 nextToken(); | |
| 5006 if (token.value == TOK.TOKlparen) | |
| 5007 // ident!(template_arguments) | |
| 5008 tempinst.tiargs = parseTemplateArgumentList(); | |
| 5009 else | |
| 5010 // ident!template_argument | |
| 5011 tempinst.tiargs = parseTemplateArgument(); | |
| 5012 e = new ScopeExp(loc, tempinst); | |
| 5013 } | |
| 5014 else | |
| 5015 e = new IdentifierExp(loc, id); | |
| 5016 break; | |
| 5017 | |
| 5018 case TOK.TOKdollar: | |
| 5019 if (!inBrackets) | |
| 5020 error("'$' is valid only inside [] of index or slice"); | |
| 5021 e = new DollarExp(loc); | |
| 5022 nextToken(); | |
| 5023 break; | |
| 5024 | |
| 5025 case TOK.TOKdot: | |
| 5026 // Signal global scope '.' operator with "" identifier | |
| 5027 e = new IdentifierExp(loc, Id.empty); | |
| 5028 break; | |
| 5029 | |
| 5030 case TOK.TOKthis: | |
| 5031 e = new ThisExp(loc); | |
| 5032 nextToken(); | |
| 5033 break; | |
| 5034 | |
| 5035 case TOK.TOKsuper: | |
| 5036 e = new SuperExp(loc); | |
| 5037 nextToken(); | |
| 5038 break; | |
| 5039 | |
| 5040 case TOK.TOKint32v: | |
| 5041 e = new IntegerExp(loc, token.int32value, Type.tint32); | |
| 5042 nextToken(); | |
| 5043 break; | |
| 5044 | |
| 5045 case TOK.TOKuns32v: | |
| 5046 e = new IntegerExp(loc, token.uns32value, Type.tuns32); | |
| 5047 nextToken(); | |
| 5048 break; | |
| 5049 | |
| 5050 case TOK.TOKint64v: | |
| 5051 e = new IntegerExp(loc, token.int64value, Type.tint64); | |
| 5052 nextToken(); | |
| 5053 break; | |
| 5054 | |
| 5055 case TOK.TOKuns64v: | |
| 5056 e = new IntegerExp(loc, token.uns64value, Type.tuns64); | |
| 5057 nextToken(); | |
| 5058 break; | |
| 5059 | |
| 5060 case TOK.TOKfloat32v: | |
| 5061 e = new RealExp(loc, token.float80value, Type.tfloat32); | |
| 5062 nextToken(); | |
| 5063 break; | |
| 5064 | |
| 5065 case TOK.TOKfloat64v: | |
| 5066 e = new RealExp(loc, token.float80value, Type.tfloat64); | |
| 5067 nextToken(); | |
| 5068 break; | |
| 5069 | |
| 5070 case TOK.TOKfloat80v: | |
| 5071 e = new RealExp(loc, token.float80value, Type.tfloat80); | |
| 5072 nextToken(); | |
| 5073 break; | |
| 5074 | |
| 5075 case TOK.TOKimaginary32v: | |
| 5076 e = new RealExp(loc, token.float80value, Type.timaginary32); | |
| 5077 nextToken(); | |
| 5078 break; | |
| 5079 | |
| 5080 case TOK.TOKimaginary64v: | |
| 5081 e = new RealExp(loc, token.float80value, Type.timaginary64); | |
| 5082 nextToken(); | |
| 5083 break; | |
| 5084 | |
| 5085 case TOK.TOKimaginary80v: | |
| 5086 e = new RealExp(loc, token.float80value, Type.timaginary80); | |
| 5087 nextToken(); | |
| 5088 break; | |
| 5089 | |
| 5090 case TOK.TOKnull: | |
| 5091 e = new NullExp(loc); | |
| 5092 nextToken(); | |
| 5093 break; | |
| 5094 | |
| 5095 version (DMDV2) { | |
| 5096 case TOK.TOKfile: | |
| 5097 { | |
| 5098 string s = loc.filename ? loc.filename : mod.ident.toChars(); | |
| 5099 e = new StringExp(loc, s, 0); | |
| 5100 nextToken(); | |
| 5101 break; | |
| 5102 } | |
| 5103 | |
| 5104 case TOK.TOKline: | |
| 5105 e = new IntegerExp(loc, loc.linnum, Type.tint32); | |
| 5106 nextToken(); | |
| 5107 break; | |
| 5108 } | |
| 5109 | |
| 5110 case TOK.TOKtrue: | |
| 5111 e = new IntegerExp(loc, 1, Type.tbool); | |
| 5112 nextToken(); | |
| 5113 break; | |
| 5114 | |
| 5115 case TOK.TOKfalse: | |
| 5116 e = new IntegerExp(loc, 0, Type.tbool); | |
| 5117 nextToken(); | |
| 5118 break; | |
| 5119 | |
| 5120 case TOK.TOKcharv: | |
| 5121 e = new IntegerExp(loc, token.uns32value, Type.tchar); | |
| 5122 nextToken(); | |
| 5123 break; | |
| 5124 | |
| 5125 case TOK.TOKwcharv: | |
| 5126 e = new IntegerExp(loc, token.uns32value, Type.twchar); | |
| 5127 nextToken(); | |
| 5128 break; | |
| 5129 | |
| 5130 case TOK.TOKdcharv: | |
| 5131 e = new IntegerExp(loc, token.uns32value, Type.tdchar); | |
| 5132 nextToken(); | |
| 5133 break; | |
| 5134 | |
| 5135 case TOK.TOKstring: | |
| 5136 { | |
| 5137 const(char)* s; | |
| 5138 uint len; | |
| 5139 ubyte postfix; | |
| 5140 | |
| 5141 // cat adjacent strings | |
| 5142 s = token.ustring; | |
| 5143 len = token.len; | |
| 5144 postfix = token.postfix; | |
| 5145 while (1) | |
| 5146 { | |
| 5147 nextToken(); | |
| 5148 if (token.value == TOK.TOKstring) | |
| 5149 { uint len1; | |
| 5150 uint len2; | |
| 5151 char* s2; | |
| 5152 | |
| 5153 if (token.postfix) | |
| 5154 { if (token.postfix != postfix) | |
| 5155 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 5156 postfix = token.postfix; | |
| 5157 } | |
| 5158 | |
| 5159 len1 = len; | |
| 5160 len2 = token.len; | |
| 5161 len = len1 + len2; | |
| 2 | 5162 s2 = cast(char*)GC.malloc((len + 1) * ubyte.sizeof); |
| 0 | 5163 memcpy(s2, s, len1 * ubyte.sizeof); |
| 5164 memcpy(s2 + len1, token.ustring, (len2 + 1) * ubyte.sizeof); | |
| 5165 s = s2; | |
| 5166 } | |
| 5167 else | |
| 5168 break; | |
| 5169 } | |
| 5170 e = new StringExp(loc, assumeUnique(s[0..len]), postfix); | |
| 5171 break; | |
| 5172 } | |
| 5173 | |
| 5174 case TOK.TOKvoid: t = Type.tvoid; goto LabelX; | |
| 5175 case TOK.TOKint8: t = Type.tint8; goto LabelX; | |
| 5176 case TOK.TOKuns8: t = Type.tuns8; goto LabelX; | |
| 5177 case TOK.TOKint16: t = Type.tint16; goto LabelX; | |
| 5178 case TOK.TOKuns16: t = Type.tuns16; goto LabelX; | |
| 5179 case TOK.TOKint32: t = Type.tint32; goto LabelX; | |
| 5180 case TOK.TOKuns32: t = Type.tuns32; goto LabelX; | |
| 5181 case TOK.TOKint64: t = Type.tint64; goto LabelX; | |
| 5182 case TOK.TOKuns64: t = Type.tuns64; goto LabelX; | |
| 5183 case TOK.TOKfloat32: t = Type.tfloat32; goto LabelX; | |
| 5184 case TOK.TOKfloat64: t = Type.tfloat64; goto LabelX; | |
| 5185 case TOK.TOKfloat80: t = Type.tfloat80; goto LabelX; | |
| 5186 case TOK.TOKimaginary32: t = Type.timaginary32; goto LabelX; | |
| 5187 case TOK.TOKimaginary64: t = Type.timaginary64; goto LabelX; | |
| 5188 case TOK.TOKimaginary80: t = Type.timaginary80; goto LabelX; | |
| 5189 case TOK.TOKcomplex32: t = Type.tcomplex32; goto LabelX; | |
| 5190 case TOK.TOKcomplex64: t = Type.tcomplex64; goto LabelX; | |
| 5191 case TOK.TOKcomplex80: t = Type.tcomplex80; goto LabelX; | |
| 5192 case TOK.TOKbit: t = Type.tbit; goto LabelX; | |
| 5193 case TOK.TOKbool: t = Type.tbool; goto LabelX; | |
| 5194 case TOK.TOKchar: t = Type.tchar; goto LabelX; | |
| 5195 case TOK.TOKwchar: t = Type.twchar; goto LabelX; | |
| 5196 case TOK.TOKdchar: t = Type.tdchar; goto LabelX; | |
| 5197 LabelX: | |
| 5198 nextToken(); | |
| 5199 L1: | |
| 5200 check(TOK.TOKdot, t.toChars()); | |
| 5201 if (token.value != TOK.TOKidentifier) | |
| 5202 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t.toChars()); | |
| 5203 goto Lerr; | |
| 5204 } | |
| 5205 e = typeDotIdExp(loc, t, token.ident); | |
| 5206 nextToken(); | |
| 5207 break; | |
| 5208 | |
| 5209 case TOK.TOKtypeof: | |
| 5210 { | |
| 5211 t = parseTypeof(); | |
| 5212 e = new TypeExp(loc, t); | |
| 5213 break; | |
| 5214 } | |
| 5215 | |
| 5216 case TOK.TOKtypeid: | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5217 { |
| 0 | 5218 nextToken(); |
| 5219 check(TOK.TOKlparen, "typeid"); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
5220 Object o; |
|
131
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5221 if (isDeclaration(&token, 0, TOKreserved, null)) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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128
diff
changeset
|
5222 { // argument is a type |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5223 o = parseType(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5224 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5225 else |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5226 { // argument is an expression |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5227 o = parseAssignExp(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5228 } |
| 0 | 5229 check(TOK.TOKrparen); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5230 e = new TypeidExp(loc, o); |
| 0 | 5231 break; |
| 5232 } | |
| 5233 | |
| 5234 version (DMDV2) { | |
| 5235 case TOK.TOKtraits: | |
| 5236 { /* __traits(identifier, args...) | |
| 5237 */ | |
| 5238 Identifier ident; | |
| 5239 Objects args = null; | |
| 5240 | |
| 5241 nextToken(); | |
| 5242 check(TOK.TOKlparen); | |
| 5243 if (token.value != TOK.TOKidentifier) | |
| 5244 { error("__traits(identifier, args...) expected"); | |
| 5245 goto Lerr; | |
| 5246 } | |
| 5247 ident = token.ident; | |
| 5248 nextToken(); | |
| 5249 if (token.value == TOK.TOKcomma) | |
| 5250 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 5251 else | |
| 5252 check(TOK.TOKrparen); // __traits(identifier) | |
| 5253 | |
| 5254 e = new TraitsExp(loc, ident, args); | |
| 5255 break; | |
| 5256 } | |
| 5257 } | |
| 5258 | |
| 5259 case TOK.TOKis: | |
| 5260 { Type targ; | |
| 5261 Identifier ident = null; | |
| 5262 Type tspec = null; | |
| 5263 TOK tok = TOK.TOKreserved; | |
| 5264 TOK tok2 = TOK.TOKreserved; | |
| 5265 TemplateParameters tpl = null; | |
| 5266 Loc loc2 = this.loc; | |
| 5267 | |
| 5268 nextToken(); | |
| 5269 if (token.value == TOK.TOKlparen) | |
| 5270 { | |
| 5271 nextToken(); | |
| 5272 targ = parseType(&ident); | |
| 5273 if (token.value == TOK.TOKcolon || token.value == TOK.TOKequal) | |
| 5274 { | |
| 5275 tok = token.value; | |
| 5276 nextToken(); | |
| 5277 if (tok == TOK.TOKequal && | |
| 5278 (token.value == TOK.TOKtypedef || | |
| 5279 token.value == TOK.TOKstruct || | |
| 5280 token.value == TOK.TOKunion || | |
| 5281 token.value == TOK.TOKclass || | |
| 5282 token.value == TOK.TOKsuper || | |
| 5283 token.value == TOK.TOKenum || | |
| 5284 token.value == TOK.TOKinterface || | |
| 5285 ///version (DMDV2) { | |
| 5286 token.value == TOK.TOKconst && peek(&token).value == TOK.TOKrparen || | |
| 5287 token.value == TOK.TOKinvariant && peek(&token).value == TOK.TOKrparen || | |
| 5288 token.value == TOK.TOKimmutable && peek(&token).value == TOK.TOKrparen || | |
| 5289 token.value == TOK.TOKshared && peek(&token).value == TOK.TOKrparen || | |
| 5290 ///} | |
| 5291 token.value == TOK.TOKfunction || | |
| 5292 token.value == TOK.TOKdelegate || | |
| 5293 token.value == TOK.TOKreturn)) | |
| 5294 { | |
| 5295 tok2 = token.value; | |
| 5296 nextToken(); | |
| 5297 } | |
| 5298 else | |
| 5299 { | |
| 5300 tspec = parseType(); | |
| 5301 } | |
| 5302 } | |
| 5303 if (ident && tspec) | |
| 5304 { | |
| 5305 if (token.value == TOK.TOKcomma) | |
| 5306 tpl = parseTemplateParameterList(1); | |
| 5307 else | |
| 5308 { tpl = new TemplateParameters(); | |
| 5309 check(TOK.TOKrparen); | |
| 5310 } | |
| 5311 TemplateParameter tp = new TemplateTypeParameter(loc2, ident, null, null); | |
|
121
347de076ad34
TemplateParameters -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
5312 tpl.insert(0, tp); |
| 0 | 5313 } |
| 5314 else | |
| 5315 check(TOK.TOKrparen); | |
| 5316 } | |
| 5317 else | |
| 5318 { error("(type identifier : specialization) expected following is"); | |
| 5319 goto Lerr; | |
| 5320 } | |
| 5321 e = new IsExp(loc2, targ, ident, tok, tspec, tok2, tpl); | |
| 5322 break; | |
| 5323 } | |
| 5324 | |
| 5325 case TOK.TOKassert: | |
| 5326 { | |
| 5327 Expression msg = null; | |
| 5328 | |
| 5329 nextToken(); | |
| 5330 check(TOK.TOKlparen, "assert"); | |
| 5331 e = parseAssignExp(); | |
| 5332 if (token.value == TOK.TOKcomma) | |
| 5333 { nextToken(); | |
| 5334 msg = parseAssignExp(); | |
| 5335 } | |
| 5336 check(TOK.TOKrparen); | |
| 5337 e = new AssertExp(loc, e, msg); | |
| 5338 break; | |
| 5339 } | |
| 5340 | |
| 5341 case TOK.TOKmixin: | |
| 5342 { | |
| 5343 nextToken(); | |
| 5344 check(TOK.TOKlparen, "mixin"); | |
| 5345 e = parseAssignExp(); | |
| 5346 check(TOK.TOKrparen); | |
| 5347 e = new CompileExp(loc, e); | |
| 5348 break; | |
| 5349 } | |
| 5350 | |
| 5351 case TOK.TOKimport: | |
| 5352 { | |
| 5353 nextToken(); | |
| 5354 check(TOK.TOKlparen, "import"); | |
| 5355 e = parseAssignExp(); | |
| 5356 check(TOK.TOKrparen); | |
| 5357 e = new FileExp(loc, e); | |
| 5358 break; | |
| 5359 } | |
| 5360 | |
| 5361 case TOK.TOKlparen: | |
| 5362 if (peekPastParen(&token).value == TOK.TOKlcurly) | |
| 5363 { // (arguments) { statements... } | |
| 5364 save = TOK.TOKdelegate; | |
| 5365 goto case_delegate; | |
| 5366 } | |
| 5367 // ( expression ) | |
| 5368 nextToken(); | |
| 5369 e = parseExpression(); | |
| 5370 check(loc, TOK.TOKrparen); | |
| 5371 break; | |
| 5372 | |
| 5373 case TOK.TOKlbracket: | |
| 5374 { /* Parse array literals and associative array literals: | |
| 5375 * [ value, value, value ... ] | |
| 5376 * [ key:value, key:value, key:value ... ] | |
| 5377 */ | |
| 5378 Expressions values = new Expressions(); | |
| 5379 Expressions keys = null; | |
| 5380 | |
| 5381 nextToken(); | |
| 5382 if (token.value != TOK.TOKrbracket) | |
| 5383 { | |
| 5384 while (token.value != TOK.TOKeof) | |
| 5385 { | |
| 5386 Expression e2 = parseAssignExp(); | |
| 5387 if (token.value == TOK.TOKcolon && (keys || values.dim == 0)) | |
| 5388 { | |
| 5389 nextToken(); | |
| 5390 if (!keys) | |
| 5391 keys = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5392 keys.push(e2); |
| 0 | 5393 e2 = parseAssignExp(); |
| 5394 } | |
| 5395 else if (keys) | |
| 5396 { | |
| 5397 error("'key:value' expected for associative array literal"); | |
| 5398 delete keys; | |
| 5399 keys = null; | |
| 5400 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5401 values.push(e2); |
| 0 | 5402 if (token.value == TOK.TOKrbracket) |
| 5403 break; | |
| 5404 check(TOK.TOKcomma); | |
| 5405 } | |
| 5406 } | |
| 5407 check(TOK.TOKrbracket); | |
| 5408 | |
| 5409 if (keys) | |
| 5410 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 5411 else | |
| 5412 e = new ArrayLiteralExp(loc, values); | |
| 5413 break; | |
| 5414 } | |
| 5415 | |
| 5416 case TOK.TOKlcurly: | |
| 5417 // { statements... } | |
| 5418 save = TOK.TOKdelegate; | |
| 5419 goto case_delegate; | |
| 5420 | |
| 5421 case TOK.TOKfunction: | |
| 5422 case TOK.TOKdelegate: | |
| 5423 save = token.value; | |
| 5424 nextToken(); | |
| 5425 case_delegate: | |
| 5426 { | |
| 5427 /* function type(parameters) { body } pure nothrow | |
| 5428 * delegate type(parameters) { body } pure nothrow | |
| 5429 * (parameters) { body } | |
| 5430 * { body } | |
| 5431 */ | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5432 Parameters arguments; |
| 0 | 5433 int varargs; |
| 5434 FuncLiteralDeclaration fd; | |
| 5435 Type tt; | |
| 5436 bool isnothrow = false; | |
| 5437 bool ispure = false; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5438 bool isproperty = false; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5439 TRUST trust = TRUSTdefault; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5440 |
| 0 | 5441 if (token.value == TOK.TOKlcurly) |
| 5442 { | |
| 5443 tt = null; | |
| 5444 varargs = 0; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5445 arguments = new Parameters(); |
| 0 | 5446 } |
| 5447 else | |
| 5448 { | |
| 5449 if (token.value == TOK.TOKlparen) | |
| 5450 tt = null; | |
| 5451 else | |
| 5452 { | |
| 5453 tt = parseBasicType(); | |
| 5454 tt = parseBasicType2(tt); // function return type | |
| 5455 } | |
| 5456 arguments = parseParameters(&varargs); | |
| 5457 while (1) | |
| 5458 { | |
| 5459 if (token.value == TOK.TOKpure) | |
| 5460 ispure = true; | |
| 5461 else if (token.value == TOK.TOKnothrow) | |
| 5462 isnothrow = true; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5463 else if (token.value == TOKat) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5464 { |
|
131
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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130
diff
changeset
|
5465 StorageClass stc = parseAttribute(); |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5466 switch (cast(uint)(stc >> 32)) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5467 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5468 case STCproperty >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5469 isproperty = true; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5470 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5471 case STCsafe >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5472 trust = TRUSTsafe; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5473 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5474 case STCsystem >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5475 trust = TRUSTsystem; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5476 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5477 case STCtrusted >> 32: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5478 trust = TRUSTtrusted; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5479 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5480 case 0: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5481 break; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5482 default: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5483 assert(0); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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128
diff
changeset
|
5484 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
128
diff
changeset
|
5485 } |
| 0 | 5486 else |
|
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dmdfe 2.037 first main iteration
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parents:
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diff
changeset
|
5487 break; |
| 0 | 5488 nextToken(); |
| 5489 } | |
| 5490 } | |
| 5491 | |
| 5492 TypeFunction tf = new TypeFunction(arguments, tt, varargs, linkage); | |
| 5493 tf.ispure = ispure; | |
| 5494 tf.isnothrow = isnothrow; | |
|
130
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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diff
changeset
|
5495 tf.isproperty = isproperty; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5496 tf.trust = trust; |
| 0 | 5497 fd = new FuncLiteralDeclaration(loc, Loc(0), tf, save, null); |
| 5498 parseContracts(fd); | |
| 5499 e = new FuncExp(loc, fd); | |
| 5500 break; | |
| 5501 } | |
| 5502 | |
| 5503 default: | |
| 5504 error("expression expected, not '%s'", token.toChars()); | |
| 5505 Lerr: | |
| 5506 // Anything for e, as long as it's not null | |
| 5507 e = new IntegerExp(loc, 0, Type.tint32); | |
| 5508 nextToken(); | |
| 5509 break; | |
| 5510 } | |
| 5511 return e; | |
| 5512 } | |
| 5513 | |
| 5514 Expression parseUnaryExp() | |
| 5515 { | |
| 5516 Expression e; | |
| 5517 Loc loc = this.loc; | |
| 5518 | |
| 5519 switch (token.value) | |
| 5520 { | |
| 5521 case TOK.TOKand: | |
| 5522 nextToken(); | |
| 5523 e = parseUnaryExp(); | |
| 5524 e = new AddrExp(loc, e); | |
| 5525 break; | |
| 5526 | |
| 5527 case TOK.TOKplusplus: | |
| 5528 nextToken(); | |
| 5529 e = parseUnaryExp(); | |
| 5530 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5531 break; | |
| 5532 | |
| 5533 case TOK.TOKminusminus: | |
| 5534 nextToken(); | |
| 5535 e = parseUnaryExp(); | |
| 5536 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type.tint32)); | |
| 5537 break; | |
| 5538 | |
| 5539 case TOK.TOKmul: | |
| 5540 nextToken(); | |
| 5541 e = parseUnaryExp(); | |
| 5542 e = new PtrExp(loc, e); | |
| 5543 break; | |
| 5544 | |
| 5545 case TOK.TOKmin: | |
| 5546 nextToken(); | |
| 5547 e = parseUnaryExp(); | |
| 5548 e = new NegExp(loc, e); | |
| 5549 break; | |
| 5550 | |
| 5551 case TOK.TOKadd: | |
| 5552 nextToken(); | |
| 5553 e = parseUnaryExp(); | |
| 5554 e = new UAddExp(loc, e); | |
| 5555 break; | |
| 5556 | |
| 5557 case TOK.TOKnot: | |
| 5558 nextToken(); | |
| 5559 e = parseUnaryExp(); | |
| 5560 e = new NotExp(loc, e); | |
| 5561 break; | |
| 5562 | |
| 5563 case TOK.TOKtilde: | |
| 5564 nextToken(); | |
| 5565 e = parseUnaryExp(); | |
| 5566 e = new ComExp(loc, e); | |
| 5567 break; | |
| 5568 | |
| 5569 case TOK.TOKdelete: | |
| 5570 nextToken(); | |
| 5571 e = parseUnaryExp(); | |
| 5572 e = new DeleteExp(loc, e); | |
| 5573 break; | |
| 5574 | |
| 5575 case TOK.TOKnew: | |
| 5576 e = parseNewExp(null); | |
| 5577 break; | |
| 5578 | |
| 5579 case TOK.TOKcast: // cast(type) expression | |
| 5580 { | |
| 5581 nextToken(); | |
| 5582 check(TOK.TOKlparen); | |
| 5583 /* Look for cast(), cast(const), cast(immutable), | |
| 5584 * cast(shared), cast(shared const) | |
| 5585 */ | |
| 5586 MOD m; | |
| 5587 if (token.value == TOK.TOKrparen) | |
| 5588 { | |
| 5589 m = MOD.MODundefined; | |
| 5590 goto Lmod1; | |
| 5591 } | |
| 5592 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKrparen) | |
| 5593 { | |
| 5594 m = MOD.MODconst; | |
| 5595 goto Lmod2; | |
| 5596 } | |
| 5597 else if ((token.value == TOK.TOKimmutable || token.value == TOK.TOKinvariant) && peekNext() == TOK.TOKrparen) | |
| 5598 { | |
| 5599 m = MOD.MODinvariant; | |
| 5600 goto Lmod2; | |
| 5601 } | |
| 5602 else if (token.value == TOK.TOKshared && peekNext() == TOK.TOKrparen) | |
| 5603 { | |
| 5604 m = MOD.MODshared; | |
| 5605 goto Lmod2; | |
| 5606 } | |
| 5607 else if (token.value == TOK.TOKconst && peekNext() == TOK.TOKshared && peekNext2() == TOK.TOKrparen || | |
| 5608 token.value == TOK.TOKshared && peekNext() == TOK.TOKconst && peekNext2() == TOK.TOKrparen) | |
| 5609 { | |
| 5610 m = MOD.MODshared | MOD.MODconst; | |
| 5611 nextToken(); | |
| 5612 Lmod2: | |
| 5613 nextToken(); | |
| 5614 Lmod1: | |
| 5615 nextToken(); | |
| 5616 e = parseUnaryExp(); | |
| 5617 e = new CastExp(loc, e, m); | |
| 5618 } | |
| 5619 else | |
| 5620 { | |
| 5621 Type t = parseType(); // ( type ) | |
| 5622 check(TOK.TOKrparen); | |
| 5623 e = parseUnaryExp(); | |
| 5624 e = new CastExp(loc, e, t); | |
| 5625 } | |
| 5626 break; | |
| 5627 } | |
| 5628 | |
| 5629 case TOK.TOKlparen: | |
| 5630 { Token *tk; | |
| 5631 | |
| 5632 tk = peek(&token); | |
| 5633 version (CCASTSYNTAX) { | |
| 5634 // If cast | |
| 5635 if (isDeclaration(tk, 0, TOK.TOKrparen, &tk)) | |
| 5636 { | |
| 5637 tk = peek(tk); // skip over right parenthesis | |
| 5638 switch (tk.value) | |
| 5639 { | |
| 5640 case TOK.TOKnot: | |
| 5641 tk = peek(tk); | |
| 5642 if (tk.value == TOK.TOKis) // !is | |
| 5643 break; | |
| 5644 case TOK.TOKdot: | |
| 5645 case TOK.TOKplusplus: | |
| 5646 case TOK.TOKminusminus: | |
| 5647 case TOK.TOKdelete: | |
| 5648 case TOK.TOKnew: | |
| 5649 case TOK.TOKlparen: | |
| 5650 case TOK.TOKidentifier: | |
| 5651 case TOK.TOKthis: | |
| 5652 case TOK.TOKsuper: | |
| 5653 case TOK.TOKint32v: | |
| 5654 case TOK.TOKuns32v: | |
| 5655 case TOK.TOKint64v: | |
| 5656 case TOK.TOKuns64v: | |
| 5657 case TOK.TOKfloat32v: | |
| 5658 case TOK.TOKfloat64v: | |
| 5659 case TOK.TOKfloat80v: | |
| 5660 case TOK.TOKimaginary32v: | |
| 5661 case TOK.TOKimaginary64v: | |
| 5662 case TOK.TOKimaginary80v: | |
| 5663 case TOK.TOKnull: | |
| 5664 case TOK.TOKtrue: | |
| 5665 case TOK.TOKfalse: | |
| 5666 case TOK.TOKcharv: | |
| 5667 case TOK.TOKwcharv: | |
| 5668 case TOK.TOKdcharv: | |
| 5669 case TOK.TOKstring: | |
| 5670 static if (false) { | |
| 5671 case TOK.TOKtilde: | |
| 5672 case TOK.TOKand: | |
| 5673 case TOK.TOKmul: | |
| 5674 case TOK.TOKmin: | |
| 5675 case TOK.TOKadd: | |
| 5676 } | |
| 5677 case TOK.TOKfunction: | |
| 5678 case TOK.TOKdelegate: | |
| 5679 case TOK.TOKtypeof: | |
| 5680 version (DMDV2) { | |
| 5681 case TOK.TOKfile: | |
| 5682 case TOK.TOKline: | |
| 5683 } | |
| 5684 case TOK.TOKwchar: case TOK.TOKdchar: | |
| 5685 case TOK.TOKbit: case TOK.TOKbool: case TOK.TOKchar: | |
| 5686 case TOK.TOKint8: case TOK.TOKuns8: | |
| 5687 case TOK.TOKint16: case TOK.TOKuns16: | |
| 5688 case TOK.TOKint32: case TOK.TOKuns32: | |
| 5689 case TOK.TOKint64: case TOK.TOKuns64: | |
| 5690 case TOK.TOKfloat32: case TOK.TOKfloat64: case TOK.TOKfloat80: | |
| 5691 case TOK.TOKimaginary32: case TOK.TOKimaginary64: case TOK.TOKimaginary80: | |
| 5692 case TOK.TOKcomplex32: case TOK.TOKcomplex64: case TOK.TOKcomplex80: | |
| 5693 case TOK.TOKvoid: // (type)int.size | |
| 5694 { | |
| 5695 // (type) una_exp | |
| 5696 nextToken(); | |
| 5697 Type t = parseType(); | |
| 5698 check(TOK.TOKrparen); | |
| 5699 | |
| 5700 // if .identifier | |
| 5701 if (token.value == TOK.TOKdot) | |
| 5702 { | |
| 5703 nextToken(); | |
| 5704 if (token.value != TOK.TOKidentifier) | |
| 5705 { | |
| 5706 error("Identifier expected following (type)."); | |
| 5707 return null; | |
| 5708 } | |
| 5709 e = typeDotIdExp(loc, t, token.ident); | |
| 5710 nextToken(); | |
| 5711 e = parsePostExp(e); | |
| 5712 } | |
| 5713 else | |
| 5714 { | |
| 5715 e = parseUnaryExp(); | |
| 5716 e = new CastExp(loc, e, t); | |
| 5717 error("C style cast illegal, use %s", e.toChars()); | |
| 5718 } | |
| 5719 return e; | |
| 5720 } | |
| 5721 | |
| 5722 default: | |
| 5723 break; /// | |
| 5724 } | |
| 5725 } | |
| 5726 } | |
| 5727 e = parsePrimaryExp(); | |
| 5728 e = parsePostExp(e); | |
| 5729 break; | |
| 5730 } | |
| 5731 default: | |
| 5732 e = parsePrimaryExp(); | |
| 5733 e = parsePostExp(e); | |
| 5734 break; | |
| 5735 } | |
| 5736 assert(e); | |
| 5737 return e; | |
| 5738 } | |
| 5739 | |
| 5740 Expression parsePostExp(Expression e) | |
| 5741 { | |
| 5742 Loc loc; | |
| 5743 | |
| 5744 while (1) | |
| 5745 { | |
| 5746 loc = this.loc; | |
| 5747 switch (token.value) | |
| 5748 { | |
| 5749 case TOK.TOKdot: | |
| 5750 nextToken(); | |
| 5751 if (token.value == TOK.TOKidentifier) | |
| 5752 { Identifier id = token.ident; | |
| 5753 | |
| 5754 nextToken(); | |
| 5755 if (token.value == TOK.TOKnot && peekNext() != TOK.TOKis) | |
| 5756 { // identifier!(template-argument-list) | |
| 5757 TemplateInstance tempinst = new TemplateInstance(loc, id); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5758 Objects tiargs; |
| 0 | 5759 nextToken(); |
| 5760 if (token.value == TOK.TOKlparen) | |
| 5761 // ident!(template_arguments) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5762 tiargs = parseTemplateArgumentList(); |
| 0 | 5763 else |
| 5764 // ident!template_argument | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5765 tiargs = parseTemplateArgument(); |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
5766 e = new DotTemplateInstanceExp(loc, e, id, tiargs); |
| 0 | 5767 } |
| 5768 else | |
| 5769 e = new DotIdExp(loc, e, id); | |
| 5770 continue; | |
| 5771 } | |
| 5772 else if (token.value == TOK.TOKnew) | |
| 5773 { | |
| 5774 e = parseNewExp(e); | |
| 5775 continue; | |
| 5776 } | |
| 5777 else | |
| 5778 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 5779 break; | |
| 5780 | |
| 5781 case TOK.TOKplusplus: | |
| 5782 e = new PostExp(TOK.TOKplusplus, loc, e); | |
| 5783 break; | |
| 5784 | |
| 5785 case TOK.TOKminusminus: | |
| 5786 e = new PostExp(TOK.TOKminusminus, loc, e); | |
| 5787 break; | |
| 5788 | |
| 5789 case TOK.TOKlparen: | |
| 5790 e = new CallExp(loc, e, parseArguments()); | |
| 5791 continue; | |
| 5792 | |
| 5793 case TOK.TOKlbracket: | |
| 5794 { // array dereferences: | |
| 5795 // array[index] | |
| 5796 // array[] | |
| 5797 // array[lwr .. upr] | |
| 5798 Expression index; | |
| 5799 Expression upr; | |
| 5800 | |
| 5801 inBrackets++; | |
| 5802 nextToken(); | |
| 5803 if (token.value == TOK.TOKrbracket) | |
| 5804 { // array[] | |
| 5805 e = new SliceExp(loc, e, null, null); | |
| 5806 nextToken(); | |
| 5807 } | |
| 5808 else | |
| 5809 { | |
| 5810 index = parseAssignExp(); | |
| 5811 if (token.value == TOK.TOKslice) | |
| 5812 { // array[lwr .. upr] | |
| 5813 nextToken(); | |
| 5814 upr = parseAssignExp(); | |
| 5815 e = new SliceExp(loc, e, index, upr); | |
| 5816 } | |
| 5817 else | |
| 5818 { // array[index, i2, i3, i4, ...] | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5819 auto arguments = new Expressions(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5820 arguments.push(index); |
| 0 | 5821 if (token.value == TOK.TOKcomma) |
| 5822 { | |
| 5823 nextToken(); | |
| 5824 while (1) | |
| 5825 { Expression arg; | |
| 5826 | |
| 5827 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
5828 arguments.push(arg); |
| 0 | 5829 if (token.value == TOK.TOKrbracket) |
| 5830 break; | |
| 5831 check(TOK.TOKcomma); | |
| 5832 } | |
| 5833 } | |
| 5834 e = new ArrayExp(loc, e, arguments); | |
| 5835 } | |
| 5836 check(TOK.TOKrbracket); | |
| 5837 inBrackets--; | |
| 5838 } | |
| 5839 continue; | |
| 5840 } | |
| 5841 | |
| 5842 default: | |
| 5843 return e; | |
| 5844 } | |
| 5845 nextToken(); | |
| 5846 } | |
| 5847 | |
| 5848 assert(false); | |
| 5849 } | |
| 5850 | |
| 5851 Expression parseMulExp() | |
| 5852 { | |
| 5853 Expression e; | |
| 5854 Expression e2; | |
| 5855 Loc loc = this.loc; | |
| 5856 | |
| 5857 e = parseUnaryExp(); | |
| 5858 while (1) | |
| 5859 { | |
| 5860 switch (token.value) | |
| 5861 { | |
| 5862 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
|
5863 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
|
5864 case TOK.TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
5865 case TOK.TOKpow: nextToken(); e2 = parseUnaryExp(); e = new PowExp(loc,e,e2); continue; |
| 0 | 5866 |
| 5867 default: | |
| 5868 break; | |
| 5869 } | |
| 5870 break; | |
| 5871 } | |
| 5872 return e; | |
| 5873 } | |
| 5874 | |
| 5875 Expression parseShiftExp() | |
| 5876 { | |
| 5877 Expression e; | |
| 5878 Expression e2; | |
| 5879 Loc loc = this.loc; | |
| 5880 | |
| 5881 e = parseAddExp(); | |
| 5882 while (1) | |
| 5883 { | |
| 5884 switch (token.value) | |
| 5885 { | |
| 5886 case TOK.TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 5887 case TOK.TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 5888 case TOK.TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 5889 | |
| 5890 default: | |
| 5891 break; | |
| 5892 } | |
| 5893 break; | |
| 5894 } | |
| 5895 return e; | |
| 5896 } | |
| 5897 | |
| 5898 Expression parseAddExp() | |
| 5899 { | |
| 5900 Expression e; | |
| 5901 Expression e2; | |
| 5902 Loc loc = this.loc; | |
| 5903 | |
| 5904 e = parseMulExp(); | |
| 5905 while (1) | |
| 5906 { | |
| 5907 switch (token.value) | |
| 5908 { | |
| 5909 case TOK.TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 5910 case TOK.TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 5911 case TOK.TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 5912 | |
| 5913 default: | |
| 5914 break; | |
| 5915 } | |
| 5916 break; | |
| 5917 } | |
| 5918 return e; | |
| 5919 } | |
| 5920 | |
| 5921 Expression parseRelExp() | |
| 5922 { | |
| 5923 assert(false); | |
| 5924 } | |
| 5925 | |
| 5926 Expression parseEqualExp() | |
| 5927 { | |
| 5928 assert(false); | |
| 5929 } | |
| 5930 | |
| 5931 Expression parseCmpExp() | |
| 5932 { | |
| 5933 Expression e; | |
| 5934 Expression e2; | |
| 5935 Token* t; | |
| 5936 Loc loc = this.loc; | |
| 5937 | |
| 5938 e = parseShiftExp(); | |
| 5939 TOK op = token.value; | |
| 5940 | |
| 5941 switch (op) | |
| 5942 { | |
| 5943 case TOK.TOKequal: | |
| 5944 case TOK.TOKnotequal: | |
| 5945 nextToken(); | |
| 5946 e2 = parseShiftExp(); | |
| 5947 e = new EqualExp(op, loc, e, e2); | |
| 5948 break; | |
| 5949 | |
| 5950 case TOK.TOKis: | |
| 5951 op = TOK.TOKidentity; | |
| 5952 goto L1; | |
| 5953 | |
| 5954 case TOK.TOKnot: | |
| 5955 // Attempt to identify '!is' | |
| 5956 t = peek(&token); | |
| 5957 if (t.value != TOK.TOKis) | |
| 5958 break; | |
| 5959 nextToken(); | |
| 5960 op = TOK.TOKnotidentity; | |
| 5961 goto L1; | |
| 5962 | |
| 5963 L1: | |
| 5964 nextToken(); | |
| 5965 e2 = parseShiftExp(); | |
| 5966 e = new IdentityExp(op, loc, e, e2); | |
| 5967 break; | |
| 5968 | |
| 5969 case TOK.TOKlt: | |
| 5970 case TOK.TOKle: | |
| 5971 case TOK.TOKgt: | |
| 5972 case TOK.TOKge: | |
| 5973 case TOK.TOKunord: | |
| 5974 case TOK.TOKlg: | |
| 5975 case TOK.TOKleg: | |
| 5976 case TOK.TOKule: | |
| 5977 case TOK.TOKul: | |
| 5978 case TOK.TOKuge: | |
| 5979 case TOK.TOKug: | |
| 5980 case TOK.TOKue: | |
| 5981 nextToken(); | |
| 5982 e2 = parseShiftExp(); | |
| 5983 e = new CmpExp(op, loc, e, e2); | |
| 5984 break; | |
| 5985 | |
| 5986 case TOK.TOKin: | |
| 5987 nextToken(); | |
| 5988 e2 = parseShiftExp(); | |
| 5989 e = new InExp(loc, e, e2); | |
| 5990 break; | |
| 5991 | |
| 5992 default: | |
| 5993 break; | |
| 5994 } | |
| 5995 return e; | |
| 5996 } | |
| 5997 | |
| 5998 Expression parseAndExp() | |
| 5999 { | |
| 6000 Expression e; | |
| 6001 Expression e2; | |
| 6002 Loc loc = this.loc; | |
| 6003 | |
| 6004 if (global.params.Dversion == 1) | |
| 6005 { | |
| 6006 e = parseEqualExp(); | |
| 6007 while (token.value == TOK.TOKand) | |
| 6008 { | |
| 6009 nextToken(); | |
| 6010 e2 = parseEqualExp(); | |
| 6011 e = new AndExp(loc,e,e2); | |
| 6012 loc = this.loc; | |
| 6013 } | |
| 6014 } | |
| 6015 else | |
| 6016 { | |
| 6017 e = parseCmpExp(); | |
| 6018 while (token.value == TOK.TOKand) | |
| 6019 { | |
| 6020 nextToken(); | |
| 6021 e2 = parseCmpExp(); | |
| 6022 e = new AndExp(loc,e,e2); | |
| 6023 loc = this.loc; | |
| 6024 } | |
| 6025 } | |
| 6026 return e; | |
| 6027 } | |
| 6028 | |
| 6029 Expression parseXorExp() | |
| 6030 { | |
| 6031 Expression e; | |
| 6032 Expression e2; | |
| 6033 Loc loc = this.loc; | |
| 6034 | |
| 6035 e = parseAndExp(); | |
| 6036 while (token.value == TOK.TOKxor) | |
| 6037 { | |
| 6038 nextToken(); | |
| 6039 e2 = parseAndExp(); | |
| 6040 e = new XorExp(loc, e, e2); | |
| 6041 } | |
| 6042 | |
| 6043 return e; | |
| 6044 } | |
| 6045 | |
| 6046 Expression parseOrExp() | |
| 6047 { | |
| 6048 Expression e; | |
| 6049 Expression e2; | |
| 6050 Loc loc = this.loc; | |
| 6051 | |
| 6052 e = parseXorExp(); | |
| 6053 while (token.value == TOK.TOKor) | |
| 6054 { | |
| 6055 nextToken(); | |
| 6056 e2 = parseXorExp(); | |
| 6057 e = new OrExp(loc, e, e2); | |
| 6058 } | |
| 6059 return e; | |
| 6060 } | |
| 6061 | |
| 6062 Expression parseAndAndExp() | |
| 6063 { | |
| 6064 Expression e; | |
| 6065 Expression e2; | |
| 6066 Loc loc = this.loc; | |
| 6067 | |
| 6068 e = parseOrExp(); | |
| 6069 while (token.value == TOK.TOKandand) | |
| 6070 { | |
| 6071 nextToken(); | |
| 6072 e2 = parseOrExp(); | |
| 6073 e = new AndAndExp(loc, e, e2); | |
| 6074 } | |
| 6075 return e; | |
| 6076 } | |
| 6077 | |
| 6078 Expression parseOrOrExp() | |
| 6079 { | |
| 6080 Expression e; | |
| 6081 Expression e2; | |
| 6082 Loc loc = this.loc; | |
| 6083 | |
| 6084 e = parseAndAndExp(); | |
| 6085 while (token.value == TOK.TOKoror) | |
| 6086 { | |
| 6087 nextToken(); | |
| 6088 e2 = parseAndAndExp(); | |
| 6089 e = new OrOrExp(loc, e, e2); | |
| 6090 } | |
| 6091 | |
| 6092 return e; | |
| 6093 } | |
| 6094 | |
| 6095 Expression parseCondExp() | |
| 6096 { | |
| 6097 Expression e; | |
| 6098 Expression e1; | |
| 6099 Expression e2; | |
| 6100 Loc loc = this.loc; | |
| 6101 | |
| 6102 e = parseOrOrExp(); | |
| 6103 if (token.value == TOK.TOKquestion) | |
| 6104 { | |
| 6105 nextToken(); | |
| 6106 e1 = parseExpression(); | |
| 6107 check(TOK.TOKcolon); | |
| 6108 e2 = parseCondExp(); | |
| 6109 e = new CondExp(loc, e, e1, e2); | |
| 6110 } | |
| 6111 return e; | |
| 6112 } | |
| 6113 | |
| 6114 Expression parseAssignExp() | |
| 6115 { | |
| 6116 Expression e; | |
| 6117 Expression e2; | |
| 6118 Loc loc; | |
| 6119 | |
| 6120 e = parseCondExp(); | |
| 6121 while (1) | |
| 6122 { | |
| 6123 loc = this.loc; | |
| 6124 switch (token.value) | |
| 6125 { | |
| 6126 case TOK.TOKassign: nextToken(); e2 = parseAssignExp(); e = new AssignExp(loc,e,e2); continue; | |
| 6127 case TOK.TOKaddass: nextToken(); e2 = parseAssignExp(); e = new AddAssignExp(loc,e,e2); continue; | |
| 6128 case TOK.TOKminass: nextToken(); e2 = parseAssignExp(); e = new MinAssignExp(loc,e,e2); continue; | |
| 6129 case TOK.TOKmulass: nextToken(); e2 = parseAssignExp(); e = new MulAssignExp(loc,e,e2); continue; | |
| 6130 case TOK.TOKdivass: nextToken(); e2 = parseAssignExp(); e = new DivAssignExp(loc,e,e2); continue; | |
| 6131 case TOK.TOKmodass: nextToken(); e2 = parseAssignExp(); e = new ModAssignExp(loc,e,e2); continue; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
128
diff
changeset
|
6132 // case TOK.TOKpowass: nextToken(); e2 = parseAssignExp(); e = new PowAssignExp(loc,e,e2); continue; |
| 0 | 6133 case TOK.TOKandass: nextToken(); e2 = parseAssignExp(); e = new AndAssignExp(loc,e,e2); continue; |
| 6134 case TOK.TOKorass: nextToken(); e2 = parseAssignExp(); e = new OrAssignExp(loc,e,e2); continue; | |
| 6135 case TOK.TOKxorass: nextToken(); e2 = parseAssignExp(); e = new XorAssignExp(loc,e,e2); continue; | |
| 6136 case TOK.TOKshlass: nextToken(); e2 = parseAssignExp(); e = new ShlAssignExp(loc,e,e2); continue; | |
| 6137 case TOK.TOKshrass: nextToken(); e2 = parseAssignExp(); e = new ShrAssignExp(loc,e,e2); continue; | |
| 6138 case TOK.TOKushrass: nextToken(); e2 = parseAssignExp(); e = new UshrAssignExp(loc,e,e2); continue; | |
| 6139 case TOK.TOKcatass: nextToken(); e2 = parseAssignExp(); e = new CatAssignExp(loc,e,e2); continue; | |
| 6140 | |
| 6141 default: | |
| 6142 break; | |
| 6143 } | |
| 6144 break; | |
| 6145 } | |
| 6146 | |
| 6147 return e; | |
| 6148 } | |
| 6149 | |
| 6150 /************************* | |
| 6151 * Collect argument list. | |
| 6152 * Assume current token is ',', '(' or '['. | |
| 6153 */ | |
| 6154 Expressions parseArguments() | |
| 6155 { | |
| 6156 // function call | |
| 6157 Expressions arguments = new Expressions(); | |
| 6158 Expression arg; | |
| 6159 TOK endtok; | |
| 6160 | |
| 6161 if (token.value == TOK.TOKlbracket) | |
| 6162 endtok = TOK.TOKrbracket; | |
| 6163 else | |
| 6164 endtok = TOK.TOKrparen; | |
| 6165 | |
| 6166 { | |
| 6167 nextToken(); | |
| 6168 if (token.value != endtok) | |
| 6169 { | |
| 6170 while (1) | |
| 6171 { | |
| 6172 arg = parseAssignExp(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6173 arguments.push(arg); |
| 0 | 6174 if (token.value == endtok) |
| 6175 break; | |
| 6176 check(TOK.TOKcomma); | |
| 6177 } | |
| 6178 } | |
| 6179 check(endtok); | |
| 6180 } | |
| 6181 return arguments; | |
| 6182 } | |
| 6183 | |
| 6184 Expression parseNewExp(Expression thisexp) | |
| 6185 { | |
| 6186 Type t; | |
| 6187 Expressions newargs; | |
| 6188 Expressions arguments = null; | |
| 6189 Expression e; | |
| 6190 Loc loc = this.loc; | |
| 6191 | |
| 6192 nextToken(); | |
| 6193 newargs = null; | |
| 6194 if (token.value == TOKlparen) | |
| 6195 { | |
| 6196 newargs = parseArguments(); | |
| 6197 } | |
| 6198 | |
| 6199 // An anonymous nested class starts with "class" | |
| 6200 if (token.value == TOKclass) | |
| 6201 { | |
| 6202 nextToken(); | |
| 6203 if (token.value == TOKlparen) | |
| 6204 arguments = parseArguments(); | |
| 6205 | |
| 6206 BaseClasses baseclasses = null; | |
| 6207 if (token.value != TOKlcurly) | |
| 6208 baseclasses = parseBaseClasses(); | |
| 6209 | |
| 6210 Identifier id = null; | |
| 6211 ClassDeclaration cd = new ClassDeclaration(loc, id, baseclasses); | |
| 6212 | |
| 6213 if (token.value != TOKlcurly) | |
| 6214 { | |
| 6215 error("{ members } expected for anonymous class"); | |
| 6216 cd.members = null; | |
| 6217 } | |
| 6218 else | |
| 6219 { | |
| 6220 nextToken(); | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
56
diff
changeset
|
6221 auto decl = parseDeclDefs(0); |
| 0 | 6222 if (token.value != TOKrcurly) |
| 6223 error("class member expected"); | |
| 6224 nextToken(); | |
| 6225 cd.members = decl; | |
| 6226 } | |
| 6227 | |
| 6228 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 6229 | |
| 6230 return e; | |
| 6231 } | |
| 6232 | |
| 6233 t = parseBasicType(); | |
| 6234 t = parseBasicType2(t); | |
| 6235 if (t.ty == Taarray) | |
| 6236 { | |
| 6237 TypeAArray taa = cast(TypeAArray)t; | |
| 6238 Type index = taa.index; | |
| 6239 | |
| 6240 Expression e2 = index.toExpression(); | |
| 6241 if (e2) | |
| 6242 { | |
| 6243 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6244 arguments.push(e2); |
| 0 | 6245 t = new TypeDArray(taa.next); |
| 6246 } | |
| 6247 else | |
| 6248 { | |
| 6249 error("need size of rightmost array, not type %s", index.toChars()); | |
| 6250 return new NullExp(loc); | |
| 6251 } | |
| 6252 } | |
| 6253 else if (t.ty == Tsarray) | |
| 6254 { | |
| 6255 TypeSArray tsa = cast(TypeSArray)t; | |
| 6256 Expression ee = tsa.dim; | |
| 6257 | |
| 6258 arguments = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
6259 arguments.push(ee); |
| 0 | 6260 t = new TypeDArray(tsa.next); |
| 6261 } | |
| 6262 else if (token.value == TOKlparen) | |
| 6263 { | |
| 6264 arguments = parseArguments(); | |
| 6265 } | |
| 6266 | |
| 6267 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 6268 return e; | |
| 6269 } | |
| 6270 | |
| 79 | 6271 void addComment(Dsymbol s, const(char)[] blockComment) |
| 0 | 6272 { |
| 6273 s.addComment(combineComments(blockComment, token.lineComment)); | |
| 6274 token.lineComment = null; | |
| 6275 } | |
|
19
01cadcfa4842
Implemented CompileExp, ConditionalDeclaration, ModAssignExp, parsingmixin statements, TemplateAliasParameters, TemplateMixins, TypeDArray.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
6276 } |