Mercurial > projects > ldc
annotate dmd/parse.c @ 710:20a5180f2e80
Make align(n), n != 1 an error.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Sat, 18 Oct 2008 14:33:11 +0200 |
| parents | 50383e476c7e |
| children | a26b0c5d5942 |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2008 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 // This is the D parser | |
| 12 | |
| 13 #include <stdio.h> | |
| 14 #include <assert.h> | |
| 15 | |
| 16 #include "mem.h" | |
| 17 #include "lexer.h" | |
| 18 #include "parse.h" | |
| 19 #include "init.h" | |
| 20 #include "attrib.h" | |
| 21 #include "cond.h" | |
| 22 #include "mtype.h" | |
| 23 #include "template.h" | |
| 24 #include "staticassert.h" | |
| 25 #include "expression.h" | |
| 26 #include "statement.h" | |
| 27 #include "module.h" | |
| 28 #include "dsymbol.h" | |
| 29 #include "import.h" | |
| 30 #include "declaration.h" | |
| 31 #include "aggregate.h" | |
| 32 #include "enum.h" | |
| 33 #include "id.h" | |
| 34 #include "version.h" | |
| 35 | |
| 36 // How multiple declarations are parsed. | |
| 37 // If 1, treat as C. | |
| 38 // If 0, treat: | |
| 39 // int *p, i; | |
| 40 // as: | |
| 41 // int* p; | |
| 42 // int* i; | |
| 43 #define CDECLSYNTAX 0 | |
| 44 | |
| 45 // Support C cast syntax: | |
| 46 // (type)(expression) | |
| 47 #define CCASTSYNTAX 1 | |
| 48 | |
| 49 // Support postfix C array declarations, such as | |
| 50 // int a[3][4]; | |
| 51 #define CARRAYDECL 1 | |
| 52 | |
| 53 // Support left-to-right array declarations | |
| 54 #define LTORARRAYDECL 1 | |
| 55 | |
| 56 | |
| 57 Parser::Parser(Module *module, unsigned char *base, unsigned length, int doDocComment) | |
| 58 : Lexer(module, base, 0, length, doDocComment, 0) | |
| 59 { | |
| 60 //printf("Parser::Parser()\n"); | |
| 61 md = NULL; | |
| 62 linkage = LINKd; | |
| 63 endloc = 0; | |
| 64 inBrackets = 0; | |
| 65 //nextToken(); // start up the scanner | |
| 66 } | |
| 67 | |
| 68 Array *Parser::parseModule() | |
| 69 { | |
| 70 Array *decldefs; | |
| 71 | |
| 72 // ModuleDeclation leads off | |
| 73 if (token.value == TOKmodule) | |
| 74 { | |
| 75 unsigned char *comment = token.blockComment; | |
| 76 | |
| 77 nextToken(); | |
| 78 if (token.value != TOKidentifier) | |
| 79 { error("Identifier expected following module"); | |
| 80 goto Lerr; | |
| 81 } | |
| 82 else | |
| 83 { | |
| 84 Array *a = NULL; | |
| 85 Identifier *id; | |
| 86 | |
| 87 id = token.ident; | |
| 88 while (nextToken() == TOKdot) | |
| 89 { | |
| 90 if (!a) | |
| 91 a = new Array(); | |
| 92 a->push(id); | |
| 93 nextToken(); | |
| 94 if (token.value != TOKidentifier) | |
| 95 { error("Identifier expected following package"); | |
| 96 goto Lerr; | |
| 97 } | |
| 98 id = token.ident; | |
| 99 } | |
| 100 | |
| 101 md = new ModuleDeclaration(a, id); | |
| 102 | |
| 103 if (token.value != TOKsemicolon) | |
| 104 error("';' expected following module declaration instead of %s", token.toChars()); | |
| 105 nextToken(); | |
| 106 addComment(mod, comment); | |
| 107 } | |
| 108 } | |
| 109 | |
| 110 decldefs = parseDeclDefs(0); | |
| 111 if (token.value != TOKeof) | |
| 112 { error("unrecognized declaration"); | |
| 113 goto Lerr; | |
| 114 } | |
| 115 return decldefs; | |
| 116 | |
| 117 Lerr: | |
| 118 while (token.value != TOKsemicolon && token.value != TOKeof) | |
| 119 nextToken(); | |
| 120 nextToken(); | |
| 121 return new Array(); | |
| 122 } | |
| 123 | |
| 124 Array *Parser::parseDeclDefs(int once) | |
| 125 { Dsymbol *s; | |
| 126 Array *decldefs; | |
| 127 Array *a; | |
| 128 Array *aelse; | |
| 129 enum PROT prot; | |
| 130 unsigned stc; | |
| 131 Condition *condition; | |
| 132 unsigned char *comment; | |
| 133 | |
| 134 //printf("Parser::parseDeclDefs()\n"); | |
| 135 decldefs = new Array(); | |
| 136 do | |
| 137 { | |
| 138 comment = token.blockComment; | |
| 139 switch (token.value) | |
| 140 { | |
| 141 case TOKenum: | |
| 142 s = parseEnum(); | |
| 143 break; | |
| 144 | |
| 145 case TOKstruct: | |
| 146 case TOKunion: | |
| 147 case TOKclass: | |
| 148 case TOKinterface: | |
| 149 s = parseAggregate(); | |
| 150 break; | |
| 151 | |
| 152 case TOKimport: | |
| 153 s = parseImport(decldefs, 0); | |
| 154 break; | |
| 155 | |
| 156 case TOKtemplate: | |
| 157 s = (Dsymbol *)parseTemplateDeclaration(); | |
| 158 break; | |
| 159 | |
| 160 case TOKmixin: | |
| 161 { Loc loc = this->loc; | |
| 162 if (peek(&token)->value == TOKlparen) | |
| 163 { // mixin(string) | |
| 164 nextToken(); | |
| 165 check(TOKlparen, "mixin"); | |
| 166 Expression *e = parseAssignExp(); | |
| 167 check(TOKrparen); | |
| 168 check(TOKsemicolon); | |
| 169 s = new CompileDeclaration(loc, e); | |
| 170 break; | |
| 171 } | |
| 172 s = parseMixin(); | |
| 173 break; | |
| 174 } | |
| 175 | |
| 176 CASE_BASIC_TYPES: | |
| 177 case TOKalias: | |
| 178 case TOKtypedef: | |
| 179 case TOKidentifier: | |
| 180 case TOKtypeof: | |
| 181 case TOKdot: | |
| 182 Ldeclaration: | |
| 183 a = parseDeclarations(); | |
| 184 decldefs->append(a); | |
| 185 continue; | |
| 186 | |
| 187 case TOKthis: | |
| 188 s = parseCtor(); | |
| 189 break; | |
| 190 | |
| 191 case TOKtilde: | |
| 192 s = parseDtor(); | |
| 193 break; | |
| 194 | |
| 195 case TOKinvariant: | |
| 196 #if 1 | |
| 197 s = parseInvariant(); | |
| 198 #else | |
| 199 if (peek(&token)->value == TOKlcurly) | |
| 200 s = parseInvariant(); | |
| 201 else | |
| 202 { | |
| 203 stc = STCinvariant; | |
| 204 goto Lstc; | |
| 205 } | |
| 206 #endif | |
| 207 break; | |
| 208 | |
| 209 case TOKunittest: | |
| 210 s = parseUnitTest(); | |
| 211 break; | |
| 212 | |
| 213 case TOKnew: | |
| 214 s = parseNew(); | |
| 215 break; | |
| 216 | |
| 217 case TOKdelete: | |
| 218 s = parseDelete(); | |
| 219 break; | |
| 220 | |
| 221 case TOKeof: | |
| 222 case TOKrcurly: | |
| 223 return decldefs; | |
| 224 | |
| 225 case TOKstatic: | |
| 226 nextToken(); | |
| 227 if (token.value == TOKthis) | |
| 228 s = parseStaticCtor(); | |
| 229 else if (token.value == TOKtilde) | |
| 230 s = parseStaticDtor(); | |
| 231 else if (token.value == TOKassert) | |
| 232 s = parseStaticAssert(); | |
| 233 else if (token.value == TOKif) | |
| 234 { condition = parseStaticIfCondition(); | |
| 235 a = parseBlock(); | |
| 236 aelse = NULL; | |
| 237 if (token.value == TOKelse) | |
| 238 { nextToken(); | |
| 239 aelse = parseBlock(); | |
| 240 } | |
| 241 s = new StaticIfDeclaration(condition, a, aelse); | |
| 242 break; | |
| 243 } | |
| 244 else if (token.value == TOKimport) | |
| 245 { | |
| 246 s = parseImport(decldefs, 1); | |
| 247 } | |
| 248 else | |
| 249 { stc = STCstatic; | |
| 250 goto Lstc2; | |
| 251 } | |
| 252 break; | |
| 253 | |
| 254 case TOKconst: stc = STCconst; goto Lstc; | |
| 255 case TOKfinal: stc = STCfinal; goto Lstc; | |
| 256 case TOKauto: stc = STCauto; goto Lstc; | |
| 257 case TOKscope: stc = STCscope; goto Lstc; | |
| 258 case TOKoverride: stc = STCoverride; goto Lstc; | |
| 259 case TOKabstract: stc = STCabstract; goto Lstc; | |
| 260 case TOKsynchronized: stc = STCsynchronized; goto Lstc; | |
| 261 case TOKdeprecated: stc = STCdeprecated; goto Lstc; | |
| 262 | |
| 263 Lstc: | |
| 264 nextToken(); | |
| 265 Lstc2: | |
| 266 switch (token.value) | |
| 267 { | |
| 268 case TOKconst: stc |= STCconst; goto Lstc; | |
| 269 case TOKfinal: stc |= STCfinal; goto Lstc; | |
| 270 case TOKauto: stc |= STCauto; goto Lstc; | |
| 271 case TOKscope: stc |= STCscope; goto Lstc; | |
| 272 case TOKoverride: stc |= STCoverride; goto Lstc; | |
| 273 case TOKabstract: stc |= STCabstract; goto Lstc; | |
| 274 case TOKsynchronized: stc |= STCsynchronized; goto Lstc; | |
| 275 case TOKdeprecated: stc |= STCdeprecated; goto Lstc; | |
| 276 //case TOKinvariant: stc |= STCinvariant; goto Lstc; | |
| 277 default: | |
| 278 break; | |
| 279 } | |
| 280 | |
| 281 /* Look for auto initializers: | |
| 282 * storage_class identifier = initializer; | |
| 283 */ | |
| 284 if (token.value == TOKidentifier && | |
| 285 peek(&token)->value == TOKassign) | |
| 286 { | |
| 287 while (1) | |
| 288 { | |
| 289 Identifier *ident = token.ident; | |
| 290 nextToken(); | |
| 291 nextToken(); | |
| 292 Initializer *init = parseInitializer(); | |
| 293 VarDeclaration *v = new VarDeclaration(loc, NULL, ident, init); | |
| 294 v->storage_class = stc; | |
| 295 s = v; | |
| 296 if (token.value == TOKsemicolon) | |
| 297 { | |
| 298 nextToken(); | |
| 299 } | |
| 300 else if (token.value == TOKcomma) | |
| 301 { | |
| 302 nextToken(); | |
| 303 if (token.value == TOKidentifier && | |
| 304 peek(&token)->value == TOKassign) | |
| 305 { | |
| 306 decldefs->push(s); | |
| 307 addComment(s, comment); | |
| 308 continue; | |
| 309 } | |
| 310 else | |
| 311 error("Identifier expected following comma"); | |
| 312 } | |
| 313 else | |
| 314 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 315 break; | |
| 316 } | |
| 317 } | |
| 318 else | |
| 319 { a = parseBlock(); | |
| 320 s = new StorageClassDeclaration(stc, a); | |
| 321 } | |
| 322 break; | |
| 323 | |
| 324 case TOKextern: | |
| 325 if (peek(&token)->value != TOKlparen) | |
| 326 { stc = STCextern; | |
| 327 goto Lstc; | |
| 328 } | |
| 329 { | |
| 330 enum LINK linksave = linkage; | |
| 331 linkage = parseLinkage(); | |
| 332 a = parseBlock(); | |
| 333 s = new LinkDeclaration(linkage, a); | |
| 334 linkage = linksave; | |
| 335 break; | |
| 336 } | |
| 337 case TOKprivate: prot = PROTprivate; goto Lprot; | |
| 338 case TOKpackage: prot = PROTpackage; goto Lprot; | |
| 339 case TOKprotected: prot = PROTprotected; goto Lprot; | |
| 340 case TOKpublic: prot = PROTpublic; goto Lprot; | |
| 341 case TOKexport: prot = PROTexport; goto Lprot; | |
| 342 | |
| 343 Lprot: | |
| 344 nextToken(); | |
| 345 a = parseBlock(); | |
| 346 s = new ProtDeclaration(prot, a); | |
| 347 break; | |
| 348 | |
| 349 case TOKalign: | |
| 350 { unsigned n; | |
| 351 | |
| 352 s = NULL; | |
| 353 nextToken(); | |
| 354 if (token.value == TOKlparen) | |
| 355 { | |
| 356 nextToken(); | |
| 357 if (token.value == TOKint32v) | |
| 358 n = (unsigned)token.uns64value; | |
| 359 else | |
| 360 { error("integer expected, not %s", token.toChars()); | |
| 361 n = 1; | |
| 362 } | |
| 363 nextToken(); | |
| 364 check(TOKrparen); | |
| 365 } | |
| 366 else | |
| 367 n = global.structalign; // default | |
| 368 | |
| 369 a = parseBlock(); | |
|
710
20a5180f2e80
Make align(n), n != 1 an error.
Christian Kamm <kamm incasoftware de>
parents:
658
diff
changeset
|
370 s = new AlignDeclaration(loc, n, a); |
| 336 | 371 break; |
| 372 } | |
| 373 | |
| 374 case TOKpragma: | |
| 375 { Identifier *ident; | |
| 376 Expressions *args = NULL; | |
| 377 | |
| 378 nextToken(); | |
| 379 check(TOKlparen); | |
| 380 if (token.value != TOKidentifier) | |
| 381 { error("pragma(identifier expected"); | |
| 382 goto Lerror; | |
| 383 } | |
| 384 ident = token.ident; | |
| 385 nextToken(); | |
| 386 if (token.value == TOKcomma) | |
| 387 args = parseArguments(); // pragma(identifier, args...) | |
| 388 else | |
| 389 check(TOKrparen); // pragma(identifier) | |
| 390 | |
| 391 if (token.value == TOKsemicolon) | |
| 392 a = NULL; | |
| 393 else | |
| 394 a = parseBlock(); | |
| 395 s = new PragmaDeclaration(loc, ident, args, a); | |
| 396 break; | |
| 397 } | |
| 398 | |
| 399 case TOKdebug: | |
| 400 nextToken(); | |
| 401 if (token.value == TOKassign) | |
| 402 { | |
| 403 nextToken(); | |
| 404 if (token.value == TOKidentifier) | |
| 405 s = new DebugSymbol(loc, token.ident); | |
| 406 else if (token.value == TOKint32v) | |
| 407 s = new DebugSymbol(loc, (unsigned)token.uns64value); | |
| 408 else | |
| 409 { error("identifier or integer expected, not %s", token.toChars()); | |
| 410 s = NULL; | |
| 411 } | |
| 412 nextToken(); | |
| 413 if (token.value != TOKsemicolon) | |
| 414 error("semicolon expected"); | |
| 415 nextToken(); | |
| 416 break; | |
| 417 } | |
| 418 | |
| 419 condition = parseDebugCondition(); | |
| 420 goto Lcondition; | |
| 421 | |
| 422 case TOKversion: | |
| 423 nextToken(); | |
| 424 if (token.value == TOKassign) | |
| 425 { | |
| 426 nextToken(); | |
| 427 if (token.value == TOKidentifier) | |
| 428 s = new VersionSymbol(loc, token.ident); | |
| 429 else if (token.value == TOKint32v) | |
| 430 s = new VersionSymbol(loc, (unsigned)token.uns64value); | |
| 431 else | |
| 432 { error("identifier or integer expected, not %s", token.toChars()); | |
| 433 s = NULL; | |
| 434 } | |
| 435 nextToken(); | |
| 436 if (token.value != TOKsemicolon) | |
| 437 error("semicolon expected"); | |
| 438 nextToken(); | |
| 439 break; | |
| 440 } | |
| 441 condition = parseVersionCondition(); | |
| 442 goto Lcondition; | |
| 443 | |
| 444 Lcondition: | |
| 445 a = parseBlock(); | |
| 446 aelse = NULL; | |
| 447 if (token.value == TOKelse) | |
| 448 { nextToken(); | |
| 449 aelse = parseBlock(); | |
| 450 } | |
| 451 s = new ConditionalDeclaration(condition, a, aelse); | |
| 452 break; | |
| 453 | |
| 454 case TOKsemicolon: // empty declaration | |
| 455 nextToken(); | |
| 456 continue; | |
| 457 | |
| 458 default: | |
| 459 error("Declaration expected, not '%s'",token.toChars()); | |
| 460 Lerror: | |
| 461 while (token.value != TOKsemicolon && token.value != TOKeof) | |
| 462 nextToken(); | |
| 463 nextToken(); | |
| 464 s = NULL; | |
| 465 continue; | |
| 466 } | |
| 467 if (s) | |
| 468 { decldefs->push(s); | |
| 469 addComment(s, comment); | |
| 470 } | |
| 471 } while (!once); | |
| 472 return decldefs; | |
| 473 } | |
| 474 | |
| 475 | |
| 476 /******************************************** | |
| 477 * Parse declarations after an align, protection, or extern decl. | |
| 478 */ | |
| 479 | |
| 480 Array *Parser::parseBlock() | |
| 481 { | |
| 482 Array *a = NULL; | |
| 483 Dsymbol *s; | |
| 484 | |
| 485 //printf("parseBlock()\n"); | |
| 486 switch (token.value) | |
| 487 { | |
| 488 case TOKsemicolon: | |
| 489 error("declaration expected following attribute, not ';'"); | |
| 490 nextToken(); | |
| 491 break; | |
| 492 | |
| 493 case TOKlcurly: | |
| 494 nextToken(); | |
| 495 a = parseDeclDefs(0); | |
| 496 if (token.value != TOKrcurly) | |
| 497 { /* { */ | |
| 498 error("matching '}' expected, not %s", token.toChars()); | |
| 499 } | |
| 500 else | |
| 501 nextToken(); | |
| 502 break; | |
| 503 | |
| 504 case TOKcolon: | |
| 505 nextToken(); | |
| 506 #if 0 | |
| 507 a = NULL; | |
| 508 #else | |
| 509 a = parseDeclDefs(0); // grab declarations up to closing curly bracket | |
| 510 #endif | |
| 511 break; | |
| 512 | |
| 513 default: | |
| 514 a = parseDeclDefs(1); | |
| 515 break; | |
| 516 } | |
| 517 return a; | |
| 518 } | |
| 519 | |
| 520 /********************************** | |
| 521 * Parse a static assertion. | |
| 522 */ | |
| 523 | |
| 524 StaticAssert *Parser::parseStaticAssert() | |
| 525 { | |
| 526 Loc loc = this->loc; | |
| 527 Expression *exp; | |
| 528 Expression *msg = NULL; | |
| 529 | |
| 530 //printf("parseStaticAssert()\n"); | |
| 531 nextToken(); | |
| 532 check(TOKlparen); | |
| 533 exp = parseAssignExp(); | |
| 534 if (token.value == TOKcomma) | |
| 535 { nextToken(); | |
| 536 msg = parseAssignExp(); | |
| 537 } | |
| 538 check(TOKrparen); | |
| 539 check(TOKsemicolon); | |
| 540 return new StaticAssert(loc, exp, msg); | |
| 541 } | |
| 542 | |
| 543 /*********************************** | |
| 544 * Parse typeof(expression). | |
| 545 * Current token is on the 'typeof'. | |
| 546 */ | |
| 547 | |
| 548 #if DMDV2 | |
| 549 TypeQualified *Parser::parseTypeof() | |
| 550 { TypeQualified *t; | |
| 551 Loc loc = this->loc; | |
| 552 | |
| 553 nextToken(); | |
| 554 check(TOKlparen); | |
| 555 if (token.value == TOKreturn) // typeof(return) | |
| 556 { | |
| 557 nextToken(); | |
| 558 t = new TypeReturn(loc); | |
| 559 } | |
| 560 else | |
| 561 { Expression *exp = parseExpression(); // typeof(expression) | |
| 562 t = new TypeTypeof(loc, exp); | |
| 563 } | |
| 564 check(TOKrparen); | |
| 565 return t; | |
| 566 } | |
| 567 #endif | |
| 568 | |
| 569 /*********************************** | |
| 570 * Parse extern (linkage) | |
| 571 * The parser is on the 'extern' token. | |
| 572 */ | |
| 573 | |
| 574 enum LINK Parser::parseLinkage() | |
| 575 { | |
| 576 enum LINK link = LINKdefault; | |
| 577 nextToken(); | |
| 578 assert(token.value == TOKlparen); | |
| 579 nextToken(); | |
| 580 if (token.value == TOKidentifier) | |
| 581 { Identifier *id = token.ident; | |
| 582 | |
| 583 nextToken(); | |
| 584 if (id == Id::Windows) | |
| 585 link = LINKwindows; | |
| 586 else if (id == Id::Pascal) | |
| 587 link = LINKpascal; | |
| 588 else if (id == Id::D) | |
| 589 link = LINKd; | |
| 590 else if (id == Id::C) | |
| 591 { | |
| 592 link = LINKc; | |
| 593 if (token.value == TOKplusplus) | |
| 594 { link = LINKcpp; | |
| 595 nextToken(); | |
| 596 } | |
| 597 } | |
| 598 else if (id == Id::System) | |
| 599 { | |
| 600 #if _WIN32 | |
| 601 link = LINKwindows; | |
| 602 #else | |
| 603 link = LINKc; | |
| 604 #endif | |
| 605 } | |
| 606 else | |
| 607 { | |
| 608 error("valid linkage identifiers are D, C, C++, Pascal, Windows, System"); | |
| 609 link = LINKd; | |
| 610 } | |
| 611 } | |
| 612 else | |
| 613 { | |
| 614 link = LINKd; // default | |
| 615 } | |
| 616 check(TOKrparen); | |
| 617 return link; | |
| 618 } | |
| 619 | |
| 620 /************************************** | |
| 621 * Parse a debug conditional | |
| 622 */ | |
| 623 | |
| 624 Condition *Parser::parseDebugCondition() | |
| 625 { | |
| 626 Condition *c; | |
| 627 | |
| 628 if (token.value == TOKlparen) | |
| 629 { | |
| 630 nextToken(); | |
| 631 unsigned level = 1; | |
| 632 Identifier *id = NULL; | |
| 633 | |
| 634 if (token.value == TOKidentifier) | |
| 635 id = token.ident; | |
| 636 else if (token.value == TOKint32v) | |
| 637 level = (unsigned)token.uns64value; | |
| 638 else | |
| 639 error("identifier or integer expected, not %s", token.toChars()); | |
| 640 nextToken(); | |
| 641 check(TOKrparen); | |
| 642 c = new DebugCondition(mod, level, id); | |
| 643 } | |
| 644 else | |
| 645 c = new DebugCondition(mod, 1, NULL); | |
| 646 return c; | |
| 647 | |
| 648 } | |
| 649 | |
| 650 /************************************** | |
| 651 * Parse a version conditional | |
| 652 */ | |
| 653 | |
| 654 Condition *Parser::parseVersionCondition() | |
| 655 { | |
| 656 Condition *c; | |
| 657 unsigned level = 1; | |
| 658 Identifier *id = NULL; | |
| 659 | |
| 660 if (token.value == TOKlparen) | |
| 661 { | |
| 662 nextToken(); | |
| 663 if (token.value == TOKidentifier) | |
| 664 id = token.ident; | |
| 665 else if (token.value == TOKint32v) | |
| 666 level = (unsigned)token.uns64value; | |
| 667 #if DMDV2 | |
| 668 /* Allow: | |
| 669 * version (unittest) | |
| 670 * even though unittest is a keyword | |
| 671 */ | |
| 672 else if (token.value == TOKunittest) | |
| 673 id = Lexer::idPool(Token::toChars(TOKunittest)); | |
| 674 #endif | |
| 675 else | |
| 676 error("identifier or integer expected, not %s", token.toChars()); | |
| 677 nextToken(); | |
| 678 check(TOKrparen); | |
| 679 | |
| 680 } | |
| 681 else | |
| 682 error("(condition) expected following version"); | |
| 683 c = new VersionCondition(mod, level, id); | |
| 684 return c; | |
| 685 | |
| 686 } | |
| 687 | |
| 688 /*********************************************** | |
| 689 * static if (expression) | |
| 690 * body | |
| 691 * else | |
| 692 * body | |
| 693 */ | |
| 694 | |
| 695 Condition *Parser::parseStaticIfCondition() | |
| 696 { Expression *exp; | |
| 697 Condition *condition; | |
| 698 Array *aif; | |
| 699 Array *aelse; | |
| 700 Loc loc = this->loc; | |
| 701 | |
| 702 nextToken(); | |
| 703 if (token.value == TOKlparen) | |
| 704 { | |
| 705 nextToken(); | |
| 706 exp = parseAssignExp(); | |
| 707 check(TOKrparen); | |
| 708 } | |
| 709 else | |
| 710 { error("(expression) expected following static if"); | |
| 711 exp = NULL; | |
| 712 } | |
| 713 condition = new StaticIfCondition(loc, exp); | |
| 714 return condition; | |
| 715 } | |
| 716 | |
| 717 | |
| 718 /***************************************** | |
| 719 * Parse a constructor definition: | |
| 720 * this(arguments) { body } | |
| 721 * Current token is 'this'. | |
| 722 */ | |
| 723 | |
| 724 CtorDeclaration *Parser::parseCtor() | |
| 725 { | |
| 726 CtorDeclaration *f; | |
| 727 Arguments *arguments; | |
| 728 int varargs; | |
| 729 Loc loc = this->loc; | |
| 730 | |
| 731 nextToken(); | |
| 732 arguments = parseParameters(&varargs); | |
| 733 f = new CtorDeclaration(loc, 0, arguments, varargs); | |
| 734 parseContracts(f); | |
| 735 return f; | |
| 736 } | |
| 737 | |
| 738 /***************************************** | |
| 739 * Parse a destructor definition: | |
| 740 * ~this() { body } | |
| 741 * Current token is '~'. | |
| 742 */ | |
| 743 | |
| 744 DtorDeclaration *Parser::parseDtor() | |
| 745 { | |
| 746 DtorDeclaration *f; | |
| 747 Loc loc = this->loc; | |
| 748 | |
| 749 nextToken(); | |
| 750 check(TOKthis); | |
| 751 check(TOKlparen); | |
| 752 check(TOKrparen); | |
| 753 | |
| 754 f = new DtorDeclaration(loc, 0); | |
| 755 parseContracts(f); | |
| 756 return f; | |
| 757 } | |
| 758 | |
| 759 /***************************************** | |
| 760 * Parse a static constructor definition: | |
| 761 * static this() { body } | |
| 762 * Current token is 'this'. | |
| 763 */ | |
| 764 | |
| 765 StaticCtorDeclaration *Parser::parseStaticCtor() | |
| 766 { | |
| 767 StaticCtorDeclaration *f; | |
| 768 Loc loc = this->loc; | |
| 769 | |
| 770 nextToken(); | |
| 771 check(TOKlparen); | |
| 772 check(TOKrparen); | |
| 773 | |
| 774 f = new StaticCtorDeclaration(loc, 0); | |
| 775 parseContracts(f); | |
| 776 return f; | |
| 777 } | |
| 778 | |
| 779 /***************************************** | |
| 780 * Parse a static destructor definition: | |
| 781 * static ~this() { body } | |
| 782 * Current token is '~'. | |
| 783 */ | |
| 784 | |
| 785 StaticDtorDeclaration *Parser::parseStaticDtor() | |
| 786 { | |
| 787 StaticDtorDeclaration *f; | |
| 788 Loc loc = this->loc; | |
| 789 | |
| 790 nextToken(); | |
| 791 check(TOKthis); | |
| 792 check(TOKlparen); | |
| 793 check(TOKrparen); | |
| 794 | |
| 795 f = new StaticDtorDeclaration(loc, 0); | |
| 796 parseContracts(f); | |
| 797 return f; | |
| 798 } | |
| 799 | |
| 800 /***************************************** | |
| 801 * Parse an invariant definition: | |
| 802 * invariant { body } | |
| 803 * Current token is 'invariant'. | |
| 804 */ | |
| 805 | |
| 806 InvariantDeclaration *Parser::parseInvariant() | |
| 807 { | |
| 808 InvariantDeclaration *f; | |
| 809 Loc loc = this->loc; | |
| 810 | |
| 811 nextToken(); | |
| 812 if (token.value == TOKlparen) // optional () | |
| 813 { | |
| 814 nextToken(); | |
| 815 check(TOKrparen); | |
| 816 } | |
| 817 | |
| 818 f = new InvariantDeclaration(loc, 0); | |
| 819 f->fbody = parseStatement(PScurly); | |
| 820 return f; | |
| 821 } | |
| 822 | |
| 823 /***************************************** | |
| 824 * Parse a unittest definition: | |
| 825 * unittest { body } | |
| 826 * Current token is 'unittest'. | |
| 827 */ | |
| 828 | |
| 829 UnitTestDeclaration *Parser::parseUnitTest() | |
| 830 { | |
| 831 UnitTestDeclaration *f; | |
| 832 Statement *body; | |
| 833 Loc loc = this->loc; | |
| 834 | |
| 835 nextToken(); | |
| 836 | |
| 837 body = parseStatement(PScurly); | |
| 838 | |
| 839 f = new UnitTestDeclaration(loc, this->loc); | |
| 840 f->fbody = body; | |
| 841 return f; | |
| 842 } | |
| 843 | |
| 844 /***************************************** | |
| 845 * Parse a new definition: | |
| 846 * new(arguments) { body } | |
| 847 * Current token is 'new'. | |
| 848 */ | |
| 849 | |
| 850 NewDeclaration *Parser::parseNew() | |
| 851 { | |
| 852 NewDeclaration *f; | |
| 853 Arguments *arguments; | |
| 854 int varargs; | |
| 855 Loc loc = this->loc; | |
| 856 | |
| 857 nextToken(); | |
| 858 arguments = parseParameters(&varargs); | |
| 859 f = new NewDeclaration(loc, 0, arguments, varargs); | |
| 860 parseContracts(f); | |
| 861 return f; | |
| 862 } | |
| 863 | |
| 864 /***************************************** | |
| 865 * Parse a delete definition: | |
| 866 * delete(arguments) { body } | |
| 867 * Current token is 'delete'. | |
| 868 */ | |
| 869 | |
| 870 DeleteDeclaration *Parser::parseDelete() | |
| 871 { | |
| 872 DeleteDeclaration *f; | |
| 873 Arguments *arguments; | |
| 874 int varargs; | |
| 875 Loc loc = this->loc; | |
| 876 | |
| 877 nextToken(); | |
| 878 arguments = parseParameters(&varargs); | |
| 879 if (varargs) | |
| 880 error("... not allowed in delete function parameter list"); | |
| 881 f = new DeleteDeclaration(loc, 0, arguments); | |
| 882 parseContracts(f); | |
| 883 return f; | |
| 884 } | |
| 885 | |
| 886 /********************************************** | |
| 887 * Parse parameter list. | |
| 888 */ | |
| 889 | |
| 890 Arguments *Parser::parseParameters(int *pvarargs) | |
| 891 { | |
| 892 Arguments *arguments = new Arguments(); | |
| 893 int varargs = 0; | |
| 894 int hasdefault = 0; | |
| 895 | |
| 896 check(TOKlparen); | |
| 897 while (1) | |
| 898 { Type *tb; | |
| 899 Identifier *ai = NULL; | |
| 900 Type *at; | |
| 901 Argument *a; | |
| 902 unsigned storageClass; | |
| 903 Expression *ae; | |
| 904 | |
| 905 storageClass = STCin; // parameter is "in" by default | |
| 906 switch (token.value) | |
| 907 { | |
| 908 case TOKrparen: | |
| 909 break; | |
| 910 | |
| 911 case TOKdotdotdot: | |
| 912 varargs = 1; | |
| 913 nextToken(); | |
| 914 break; | |
| 915 | |
| 916 case TOKin: | |
| 917 storageClass = STCin; | |
| 918 nextToken(); | |
| 919 goto L1; | |
| 920 | |
| 921 case TOKout: | |
| 922 storageClass = STCout; | |
| 923 nextToken(); | |
| 924 goto L1; | |
| 925 | |
| 926 case TOKinout: | |
| 927 case TOKref: | |
| 928 storageClass = STCref; | |
| 929 nextToken(); | |
| 930 goto L1; | |
| 931 | |
| 932 case TOKlazy: | |
| 933 storageClass = STClazy; | |
| 934 nextToken(); | |
| 935 goto L1; | |
| 936 | |
| 937 default: | |
| 938 L1: | |
| 939 tb = parseBasicType(); | |
| 940 at = parseDeclarator(tb, &ai); | |
| 941 ae = NULL; | |
| 942 if (token.value == TOKassign) // = defaultArg | |
| 943 { nextToken(); | |
| 944 ae = parseAssignExp(); | |
| 945 hasdefault = 1; | |
| 946 } | |
| 947 else | |
| 948 { if (hasdefault) | |
| 949 error("default argument expected for %s", | |
| 950 ai ? ai->toChars() : at->toChars()); | |
| 951 } | |
| 952 if (token.value == TOKdotdotdot) | |
| 953 { /* This is: | |
| 954 * at ai ... | |
| 955 */ | |
| 956 | |
| 957 if (storageClass & (STCout | STCref)) | |
| 958 error("variadic argument cannot be out or ref"); | |
| 959 varargs = 2; | |
| 960 a = new Argument(storageClass, at, ai, ae); | |
| 961 arguments->push(a); | |
| 962 nextToken(); | |
| 963 break; | |
| 964 } | |
| 965 a = new Argument(storageClass, at, ai, ae); | |
| 966 arguments->push(a); | |
| 967 if (token.value == TOKcomma) | |
| 968 { nextToken(); | |
| 969 continue; | |
| 970 } | |
| 971 break; | |
| 972 } | |
| 973 break; | |
| 974 } | |
| 975 check(TOKrparen); | |
| 976 *pvarargs = varargs; | |
| 977 return arguments; | |
| 978 } | |
| 979 | |
| 980 | |
| 981 /************************************* | |
| 982 */ | |
| 983 | |
| 984 EnumDeclaration *Parser::parseEnum() | |
| 985 { EnumDeclaration *e; | |
| 986 Identifier *id; | |
| 987 Type *t; | |
| 988 Loc loc = this->loc; | |
| 989 | |
| 990 //printf("Parser::parseEnum()\n"); | |
| 991 nextToken(); | |
| 992 if (token.value == TOKidentifier) | |
| 993 { id = token.ident; | |
| 994 nextToken(); | |
| 995 } | |
| 996 else | |
| 997 id = NULL; | |
| 998 | |
| 999 if (token.value == TOKcolon) | |
| 1000 { | |
| 1001 nextToken(); | |
| 1002 t = parseBasicType(); | |
| 1003 } | |
| 1004 else | |
| 1005 t = NULL; | |
| 1006 | |
| 1007 e = new EnumDeclaration(loc, id, t); | |
| 1008 if (token.value == TOKsemicolon && id) | |
| 1009 nextToken(); | |
| 1010 else if (token.value == TOKlcurly) | |
| 1011 { | |
| 1012 //printf("enum definition\n"); | |
| 1013 e->members = new Array(); | |
| 1014 nextToken(); | |
| 1015 unsigned char *comment = token.blockComment; | |
| 1016 while (token.value != TOKrcurly) | |
| 1017 { | |
| 1018 if (token.value == TOKidentifier) | |
| 1019 { EnumMember *em; | |
| 1020 Expression *value; | |
| 1021 Identifier *ident; | |
| 1022 | |
| 1023 loc = this->loc; | |
| 1024 ident = token.ident; | |
| 1025 value = NULL; | |
| 1026 nextToken(); | |
| 1027 if (token.value == TOKassign) | |
| 1028 { | |
| 1029 nextToken(); | |
| 1030 value = parseAssignExp(); | |
| 1031 } | |
| 1032 em = new EnumMember(loc, ident, value); | |
| 1033 e->members->push(em); | |
| 1034 if (token.value == TOKrcurly) | |
| 1035 ; | |
| 1036 else | |
| 1037 { addComment(em, comment); | |
| 1038 comment = NULL; | |
| 1039 check(TOKcomma); | |
| 1040 } | |
| 1041 addComment(em, comment); | |
| 1042 comment = token.blockComment; | |
| 1043 } | |
| 1044 else | |
| 1045 { error("enum member expected"); | |
| 1046 nextToken(); | |
| 1047 } | |
| 1048 } | |
| 1049 nextToken(); | |
| 1050 } | |
| 1051 else | |
| 1052 error("enum declaration is invalid"); | |
| 1053 | |
| 1054 //printf("-parseEnum() %s\n", e->toChars()); | |
| 1055 return e; | |
| 1056 } | |
| 1057 | |
| 1058 Dsymbol *Parser::parseAggregate() | |
| 1059 { AggregateDeclaration *a = NULL; | |
| 1060 int anon = 0; | |
| 1061 enum TOK tok; | |
| 1062 Identifier *id; | |
| 1063 TemplateParameters *tpl = NULL; | |
| 1064 | |
| 1065 //printf("Parser::parseAggregate()\n"); | |
| 1066 tok = token.value; | |
| 1067 nextToken(); | |
| 1068 if (token.value != TOKidentifier) | |
| 1069 { id = NULL; | |
| 1070 } | |
| 1071 else | |
| 1072 { id = token.ident; | |
| 1073 nextToken(); | |
| 1074 | |
| 1075 if (token.value == TOKlparen) | |
| 1076 { // Class template declaration. | |
| 1077 | |
| 1078 // Gather template parameter list | |
| 1079 tpl = parseTemplateParameterList(); | |
| 1080 } | |
| 1081 } | |
| 1082 | |
| 1083 Loc loc = this->loc; | |
| 1084 switch (tok) | |
| 1085 { case TOKclass: | |
| 1086 case TOKinterface: | |
| 1087 { | |
| 1088 if (!id) | |
| 1089 error("anonymous classes not allowed"); | |
| 1090 | |
| 1091 // Collect base class(es) | |
| 1092 BaseClasses *baseclasses = NULL; | |
| 1093 if (token.value == TOKcolon) | |
| 1094 { | |
| 1095 nextToken(); | |
| 1096 baseclasses = parseBaseClasses(); | |
| 1097 | |
| 1098 if (token.value != TOKlcurly) | |
| 1099 error("members expected"); | |
| 1100 } | |
| 1101 | |
| 1102 if (tok == TOKclass) | |
| 1103 a = new ClassDeclaration(loc, id, baseclasses); | |
| 1104 else | |
| 1105 a = new InterfaceDeclaration(loc, id, baseclasses); | |
| 1106 break; | |
| 1107 } | |
| 1108 | |
| 1109 case TOKstruct: | |
| 1110 if (id) | |
| 1111 a = new StructDeclaration(loc, id); | |
| 1112 else | |
| 1113 anon = 1; | |
| 1114 break; | |
| 1115 | |
| 1116 case TOKunion: | |
| 1117 if (id) | |
| 1118 a = new UnionDeclaration(loc, id); | |
| 1119 else | |
| 1120 anon = 2; | |
| 1121 break; | |
| 1122 | |
| 1123 default: | |
| 1124 assert(0); | |
| 1125 break; | |
| 1126 } | |
| 1127 if (a && token.value == TOKsemicolon) | |
| 1128 { nextToken(); | |
| 1129 } | |
| 1130 else if (token.value == TOKlcurly) | |
| 1131 { | |
| 1132 //printf("aggregate definition\n"); | |
| 1133 nextToken(); | |
| 1134 Array *decl = parseDeclDefs(0); | |
| 1135 if (token.value != TOKrcurly) | |
| 1136 error("} expected following member declarations in aggregate"); | |
| 1137 nextToken(); | |
| 1138 if (anon) | |
| 1139 { | |
| 1140 /* Anonymous structs/unions are more like attributes. | |
| 1141 */ | |
| 1142 return new AnonDeclaration(loc, anon - 1, decl); | |
| 1143 } | |
| 1144 else | |
| 1145 a->members = decl; | |
| 1146 } | |
| 1147 else | |
| 1148 { | |
| 1149 error("{ } expected following aggregate declaration"); | |
| 1150 a = new StructDeclaration(loc, NULL); | |
| 1151 } | |
| 1152 | |
| 1153 if (tpl) | |
| 1154 { Array *decldefs; | |
| 1155 TemplateDeclaration *tempdecl; | |
| 1156 | |
| 1157 // Wrap a template around the aggregate declaration | |
| 1158 decldefs = new Array(); | |
| 1159 decldefs->push(a); | |
| 1160 tempdecl = new TemplateDeclaration(loc, id, tpl, decldefs); | |
| 1161 return tempdecl; | |
| 1162 } | |
| 1163 | |
| 1164 return a; | |
| 1165 } | |
| 1166 | |
| 1167 /******************************************* | |
| 1168 */ | |
| 1169 | |
| 1170 BaseClasses *Parser::parseBaseClasses() | |
| 1171 { | |
| 1172 enum PROT protection = PROTpublic; | |
| 1173 BaseClasses *baseclasses = new BaseClasses(); | |
| 1174 | |
| 1175 for (; 1; nextToken()) | |
| 1176 { | |
| 1177 switch (token.value) | |
| 1178 { | |
| 1179 case TOKidentifier: | |
| 1180 break; | |
| 1181 case TOKprivate: | |
| 1182 protection = PROTprivate; | |
| 1183 continue; | |
| 1184 case TOKpackage: | |
| 1185 protection = PROTpackage; | |
| 1186 continue; | |
| 1187 case TOKprotected: | |
| 1188 protection = PROTprotected; | |
| 1189 continue; | |
| 1190 case TOKpublic: | |
| 1191 protection = PROTpublic; | |
| 1192 continue; | |
| 1193 default: | |
| 1194 error("base classes expected instead of %s", token.toChars()); | |
| 1195 return NULL; | |
| 1196 } | |
| 1197 BaseClass *b = new BaseClass(parseBasicType(), protection); | |
| 1198 baseclasses->push(b); | |
| 1199 if (token.value != TOKcomma) | |
| 1200 break; | |
| 1201 protection = PROTpublic; | |
| 1202 } | |
| 1203 return baseclasses; | |
| 1204 } | |
| 1205 | |
| 1206 /************************************** | |
| 1207 * Parse constraint. | |
| 1208 * Constraint is of the form: | |
| 1209 * if ( ConstraintExpression ) | |
| 1210 */ | |
| 1211 | |
| 1212 #if DMDV2 | |
| 1213 Expression *Parser::parseConstraint() | |
| 1214 { Expression *e = NULL; | |
| 1215 | |
| 1216 if (token.value == TOKif) | |
| 1217 { | |
| 1218 nextToken(); // skip over 'if' | |
| 1219 check(TOKlparen); | |
| 1220 e = parseExpression(); | |
| 1221 check(TOKrparen); | |
| 1222 } | |
| 1223 return e; | |
| 1224 } | |
| 1225 #endif | |
| 1226 | |
| 1227 /************************************** | |
| 1228 * Parse a TemplateDeclaration. | |
| 1229 */ | |
| 1230 | |
| 1231 TemplateDeclaration *Parser::parseTemplateDeclaration() | |
| 1232 { | |
| 1233 TemplateDeclaration *tempdecl; | |
| 1234 Identifier *id; | |
| 1235 TemplateParameters *tpl; | |
| 1236 Array *decldefs; | |
| 1237 Loc loc = this->loc; | |
| 1238 | |
| 1239 nextToken(); | |
| 1240 if (token.value != TOKidentifier) | |
| 1241 { error("TemplateIdentifier expected following template"); | |
| 1242 goto Lerr; | |
| 1243 } | |
| 1244 id = token.ident; | |
| 1245 nextToken(); | |
| 1246 tpl = parseTemplateParameterList(); | |
| 1247 if (!tpl) | |
| 1248 goto Lerr; | |
| 1249 | |
| 1250 if (token.value != TOKlcurly) | |
| 1251 { error("members of template declaration expected"); | |
| 1252 goto Lerr; | |
| 1253 } | |
| 1254 else | |
| 1255 { | |
| 1256 nextToken(); | |
| 1257 decldefs = parseDeclDefs(0); | |
| 1258 if (token.value != TOKrcurly) | |
| 1259 { error("template member expected"); | |
| 1260 goto Lerr; | |
| 1261 } | |
| 1262 nextToken(); | |
| 1263 } | |
| 1264 | |
| 1265 tempdecl = new TemplateDeclaration(loc, id, tpl, decldefs); | |
| 1266 return tempdecl; | |
| 1267 | |
| 1268 Lerr: | |
| 1269 return NULL; | |
| 1270 } | |
| 1271 | |
| 1272 /****************************************** | |
| 1273 * Parse template parameter list. | |
| 1274 */ | |
| 1275 | |
| 1276 TemplateParameters *Parser::parseTemplateParameterList() | |
| 1277 { | |
| 1278 TemplateParameters *tpl = new TemplateParameters(); | |
| 1279 | |
| 1280 if (token.value != TOKlparen) | |
| 1281 { error("parenthesized TemplateParameterList expected following TemplateIdentifier"); | |
| 1282 goto Lerr; | |
| 1283 } | |
| 1284 nextToken(); | |
| 1285 | |
| 1286 // Get array of TemplateParameters | |
| 1287 if (token.value != TOKrparen) | |
| 1288 { int isvariadic = 0; | |
| 1289 | |
| 1290 while (1) | |
| 1291 { TemplateParameter *tp; | |
| 1292 Identifier *tp_ident = NULL; | |
| 1293 Type *tp_spectype = NULL; | |
| 1294 Type *tp_valtype = NULL; | |
| 1295 Type *tp_defaulttype = NULL; | |
| 1296 Expression *tp_specvalue = NULL; | |
| 1297 Expression *tp_defaultvalue = NULL; | |
| 1298 Token *t; | |
| 1299 | |
| 1300 // Get TemplateParameter | |
| 1301 | |
| 1302 // First, look ahead to see if it is a TypeParameter or a ValueParameter | |
| 1303 t = peek(&token); | |
| 1304 if (token.value == TOKalias) | |
| 1305 { // AliasParameter | |
| 1306 nextToken(); | |
| 1307 if (token.value != TOKidentifier) | |
| 1308 { error("Identifier expected for template parameter"); | |
| 1309 goto Lerr; | |
| 1310 } | |
| 1311 tp_ident = token.ident; | |
| 1312 nextToken(); | |
| 1313 if (token.value == TOKcolon) // : Type | |
| 1314 { | |
| 1315 nextToken(); | |
| 1316 tp_spectype = parseBasicType(); | |
| 1317 tp_spectype = parseDeclarator(tp_spectype, NULL); | |
| 1318 } | |
| 1319 if (token.value == TOKassign) // = Type | |
| 1320 { | |
| 1321 nextToken(); | |
| 1322 tp_defaulttype = parseBasicType(); | |
| 1323 tp_defaulttype = parseDeclarator(tp_defaulttype, NULL); | |
| 1324 } | |
| 1325 tp = new TemplateAliasParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1326 } | |
| 1327 else if (t->value == TOKcolon || t->value == TOKassign || | |
| 1328 t->value == TOKcomma || t->value == TOKrparen) | |
| 1329 { // TypeParameter | |
| 1330 if (token.value != TOKidentifier) | |
| 1331 { error("Identifier expected for template parameter"); | |
| 1332 goto Lerr; | |
| 1333 } | |
| 1334 tp_ident = token.ident; | |
| 1335 nextToken(); | |
| 1336 if (token.value == TOKcolon) // : Type | |
| 1337 { | |
| 1338 nextToken(); | |
| 1339 tp_spectype = parseBasicType(); | |
| 1340 tp_spectype = parseDeclarator(tp_spectype, NULL); | |
| 1341 } | |
| 1342 if (token.value == TOKassign) // = Type | |
| 1343 { | |
| 1344 nextToken(); | |
| 1345 tp_defaulttype = parseBasicType(); | |
| 1346 tp_defaulttype = parseDeclarator(tp_defaulttype, NULL); | |
| 1347 } | |
| 1348 tp = new TemplateTypeParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1349 } | |
| 1350 else if (token.value == TOKidentifier && t->value == TOKdotdotdot) | |
| 1351 { // ident... | |
| 1352 if (isvariadic) | |
| 1353 error("variadic template parameter must be last"); | |
| 1354 isvariadic = 1; | |
| 1355 tp_ident = token.ident; | |
| 1356 nextToken(); | |
| 1357 nextToken(); | |
| 1358 tp = new TemplateTupleParameter(loc, tp_ident); | |
| 1359 } | |
| 1360 #if DMDV2 | |
| 1361 else if (token.value == TOKthis) | |
| 1362 { // ThisParameter | |
| 1363 nextToken(); | |
| 1364 if (token.value != TOKidentifier) | |
| 1365 { error("identifier expected for template this parameter"); | |
| 1366 goto Lerr; | |
| 1367 } | |
| 1368 tp_ident = token.ident; | |
| 1369 nextToken(); | |
| 1370 if (token.value == TOKcolon) // : Type | |
| 1371 { | |
| 1372 nextToken(); | |
| 1373 tp_spectype = parseType(); | |
| 1374 } | |
| 1375 if (token.value == TOKassign) // = Type | |
| 1376 { | |
| 1377 nextToken(); | |
| 1378 tp_defaulttype = parseType(); | |
| 1379 } | |
| 1380 tp = new TemplateThisParameter(loc, tp_ident, tp_spectype, tp_defaulttype); | |
| 1381 } | |
| 1382 #endif | |
| 1383 else | |
| 1384 { // ValueParameter | |
| 1385 tp_valtype = parseBasicType(); | |
| 1386 tp_valtype = parseDeclarator(tp_valtype, &tp_ident); | |
| 1387 if (!tp_ident) | |
| 1388 { | |
| 1389 error("identifier expected for template value parameter"); | |
| 1390 tp_ident = new Identifier("error", TOKidentifier); | |
| 1391 } | |
| 1392 if (token.value == TOKcolon) // : CondExpression | |
| 1393 { | |
| 1394 nextToken(); | |
| 1395 tp_specvalue = parseCondExp(); | |
| 1396 } | |
| 1397 if (token.value == TOKassign) // = CondExpression | |
| 1398 { | |
| 1399 nextToken(); | |
| 1400 tp_defaultvalue = parseCondExp(); | |
| 1401 } | |
| 1402 tp = new TemplateValueParameter(loc, tp_ident, tp_valtype, tp_specvalue, tp_defaultvalue); | |
| 1403 } | |
| 1404 tpl->push(tp); | |
| 1405 if (token.value != TOKcomma) | |
| 1406 break; | |
| 1407 nextToken(); | |
| 1408 } | |
| 1409 } | |
| 1410 check(TOKrparen); | |
| 1411 Lerr: | |
| 1412 return tpl; | |
| 1413 } | |
| 1414 | |
| 1415 /****************************************** | |
| 1416 * Parse template mixin. | |
| 1417 * mixin Foo; | |
| 1418 * mixin Foo!(args); | |
| 1419 * mixin a.b.c!(args).Foo!(args); | |
| 1420 * mixin Foo!(args) identifier; | |
| 1421 * mixin typeof(expr).identifier!(args); | |
| 1422 */ | |
| 1423 | |
| 1424 Dsymbol *Parser::parseMixin() | |
| 1425 { | |
| 1426 TemplateMixin *tm; | |
| 1427 Identifier *id; | |
| 1428 Type *tqual; | |
| 1429 Objects *tiargs; | |
| 1430 Array *idents; | |
| 1431 | |
| 1432 //printf("parseMixin()\n"); | |
| 1433 nextToken(); | |
| 1434 tqual = NULL; | |
| 1435 if (token.value == TOKdot) | |
| 1436 { | |
| 1437 id = Id::empty; | |
| 1438 } | |
| 1439 else | |
| 1440 { | |
| 1441 if (token.value == TOKtypeof) | |
| 1442 { Expression *exp; | |
| 1443 | |
| 1444 nextToken(); | |
| 1445 check(TOKlparen); | |
| 1446 exp = parseExpression(); | |
| 1447 check(TOKrparen); | |
| 1448 tqual = new TypeTypeof(loc, exp); | |
| 1449 check(TOKdot); | |
| 1450 } | |
| 1451 if (token.value != TOKidentifier) | |
| 1452 { | |
| 1453 error("identifier expected, not %s", token.toChars()); | |
| 1454 id = Id::empty; | |
| 1455 } | |
| 1456 else | |
| 1457 id = token.ident; | |
| 1458 nextToken(); | |
| 1459 } | |
| 1460 | |
| 1461 idents = new Array(); | |
| 1462 while (1) | |
| 1463 { | |
| 1464 tiargs = NULL; | |
| 1465 if (token.value == TOKnot) | |
| 1466 { | |
| 1467 nextToken(); | |
| 1468 tiargs = parseTemplateArgumentList(); | |
| 1469 } | |
| 1470 | |
| 1471 if (token.value != TOKdot) | |
| 1472 break; | |
| 1473 | |
| 1474 if (tiargs) | |
| 1475 { TemplateInstance *tempinst = new TemplateInstance(loc, id); | |
| 1476 tempinst->tiargs = tiargs; | |
| 1477 id = (Identifier *)tempinst; | |
| 1478 tiargs = NULL; | |
| 1479 } | |
| 1480 idents->push(id); | |
| 1481 | |
| 1482 nextToken(); | |
| 1483 if (token.value != TOKidentifier) | |
| 1484 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1485 break; | |
| 1486 } | |
| 1487 id = token.ident; | |
| 1488 nextToken(); | |
| 1489 } | |
| 1490 idents->push(id); | |
| 1491 | |
| 1492 if (token.value == TOKidentifier) | |
| 1493 { | |
| 1494 id = token.ident; | |
| 1495 nextToken(); | |
| 1496 } | |
| 1497 else | |
| 1498 id = NULL; | |
| 1499 | |
| 1500 tm = new TemplateMixin(loc, id, tqual, idents, tiargs); | |
| 1501 if (token.value != TOKsemicolon) | |
| 1502 error("';' expected after mixin"); | |
| 1503 nextToken(); | |
| 1504 | |
| 1505 return tm; | |
| 1506 } | |
| 1507 | |
| 1508 /****************************************** | |
| 1509 * Parse template argument list. | |
| 1510 * Input: | |
| 1511 * current token is opening '(' | |
| 1512 * Output: | |
| 1513 * current token is one after closing ')' | |
| 1514 */ | |
| 1515 | |
| 1516 Objects *Parser::parseTemplateArgumentList() | |
| 1517 { | |
| 1518 //printf("Parser::parseTemplateArgumentList()\n"); | |
| 1519 Objects *tiargs = new Objects(); | |
| 1520 if (token.value != TOKlparen) | |
| 1521 { error("!(TemplateArgumentList) expected following TemplateIdentifier"); | |
| 1522 return tiargs; | |
| 1523 } | |
| 1524 nextToken(); | |
| 1525 | |
| 1526 // Get TemplateArgumentList | |
| 1527 if (token.value != TOKrparen) | |
| 1528 { | |
| 1529 while (1) | |
| 1530 { | |
| 1531 // See if it is an Expression or a Type | |
| 1532 if (isDeclaration(&token, 0, TOKreserved, NULL)) | |
| 1533 { // Type | |
| 1534 Type *ta; | |
| 1535 | |
| 1536 // Get TemplateArgument | |
| 1537 ta = parseBasicType(); | |
| 1538 ta = parseDeclarator(ta, NULL); | |
| 1539 tiargs->push(ta); | |
| 1540 } | |
| 1541 else | |
| 1542 { // Expression | |
| 1543 Expression *ea; | |
| 1544 | |
| 1545 ea = parseAssignExp(); | |
| 1546 tiargs->push(ea); | |
| 1547 } | |
| 1548 if (token.value != TOKcomma) | |
| 1549 break; | |
| 1550 nextToken(); | |
| 1551 } | |
| 1552 } | |
| 1553 check(TOKrparen, "template argument list"); | |
| 1554 return tiargs; | |
| 1555 } | |
| 1556 | |
| 1557 Import *Parser::parseImport(Array *decldefs, int isstatic) | |
| 1558 { Import *s; | |
| 1559 Identifier *id; | |
| 1560 Identifier *aliasid = NULL; | |
| 1561 Array *a; | |
| 1562 Loc loc; | |
| 1563 | |
| 1564 //printf("Parser::parseImport()\n"); | |
| 1565 do | |
| 1566 { | |
| 1567 L1: | |
| 1568 nextToken(); | |
| 1569 if (token.value != TOKidentifier) | |
| 1570 { error("Identifier expected following import"); | |
| 1571 break; | |
| 1572 } | |
| 1573 | |
| 1574 loc = this->loc; | |
| 1575 a = NULL; | |
| 1576 id = token.ident; | |
| 1577 nextToken(); | |
| 1578 if (!aliasid && token.value == TOKassign) | |
| 1579 { | |
| 1580 aliasid = id; | |
| 1581 goto L1; | |
| 1582 } | |
| 1583 while (token.value == TOKdot) | |
| 1584 { | |
| 1585 if (!a) | |
| 1586 a = new Array(); | |
| 1587 a->push(id); | |
| 1588 nextToken(); | |
| 1589 if (token.value != TOKidentifier) | |
| 1590 { error("Identifier expected following package"); | |
| 1591 break; | |
| 1592 } | |
| 1593 id = token.ident; | |
| 1594 nextToken(); | |
| 1595 } | |
| 1596 | |
| 1597 s = new Import(loc, a, token.ident, aliasid, isstatic); | |
| 1598 decldefs->push(s); | |
| 1599 | |
| 1600 /* Look for | |
| 1601 * : alias=name, alias=name; | |
| 1602 * syntax. | |
| 1603 */ | |
| 1604 if (token.value == TOKcolon) | |
| 1605 { | |
| 1606 do | |
| 1607 { Identifier *name; | |
| 1608 Identifier *alias; | |
| 1609 | |
| 1610 nextToken(); | |
| 1611 if (token.value != TOKidentifier) | |
| 1612 { error("Identifier expected following :"); | |
| 1613 break; | |
| 1614 } | |
| 1615 alias = token.ident; | |
| 1616 nextToken(); | |
| 1617 if (token.value == TOKassign) | |
| 1618 { | |
| 1619 nextToken(); | |
| 1620 if (token.value != TOKidentifier) | |
| 1621 { error("Identifier expected following %s=", alias->toChars()); | |
| 1622 break; | |
| 1623 } | |
| 1624 name = token.ident; | |
| 1625 nextToken(); | |
| 1626 } | |
| 1627 else | |
| 1628 { name = alias; | |
| 1629 alias = NULL; | |
| 1630 } | |
| 1631 s->addAlias(name, alias); | |
| 1632 } while (token.value == TOKcomma); | |
| 1633 break; // no comma-separated imports of this form | |
| 1634 } | |
| 1635 | |
| 1636 aliasid = NULL; | |
| 1637 } while (token.value == TOKcomma); | |
| 1638 | |
| 1639 if (token.value == TOKsemicolon) | |
| 1640 nextToken(); | |
| 1641 else | |
| 1642 { | |
| 1643 error("';' expected"); | |
| 1644 nextToken(); | |
| 1645 } | |
| 1646 | |
| 1647 return NULL; | |
| 1648 } | |
| 1649 | |
| 1650 Type *Parser::parseBasicType() | |
| 1651 { Type *t; | |
| 1652 Identifier *id; | |
| 1653 TypeQualified *tid; | |
| 1654 TemplateInstance *tempinst; | |
| 1655 | |
| 1656 //printf("parseBasicType()\n"); | |
| 1657 switch (token.value) | |
| 1658 { | |
| 1659 CASE_BASIC_TYPES_X(t): | |
| 1660 nextToken(); | |
| 1661 break; | |
| 1662 | |
| 1663 case TOKidentifier: | |
| 1664 id = token.ident; | |
| 1665 nextToken(); | |
| 1666 if (token.value == TOKnot) | |
| 1667 { | |
| 1668 nextToken(); | |
| 1669 tempinst = new TemplateInstance(loc, id); | |
| 1670 tempinst->tiargs = parseTemplateArgumentList(); | |
| 1671 tid = new TypeInstance(loc, tempinst); | |
| 1672 goto Lident2; | |
| 1673 } | |
| 1674 Lident: | |
| 1675 tid = new TypeIdentifier(loc, id); | |
| 1676 Lident2: | |
| 1677 while (token.value == TOKdot) | |
| 1678 { nextToken(); | |
| 1679 if (token.value != TOKidentifier) | |
| 1680 { error("identifier expected following '.' instead of '%s'", token.toChars()); | |
| 1681 break; | |
| 1682 } | |
| 1683 id = token.ident; | |
| 1684 nextToken(); | |
| 1685 if (token.value == TOKnot) | |
| 1686 { | |
| 1687 nextToken(); | |
| 1688 tempinst = new TemplateInstance(loc, id); | |
| 1689 tempinst->tiargs = parseTemplateArgumentList(); | |
| 1690 tid->addIdent((Identifier *)tempinst); | |
| 1691 } | |
| 1692 else | |
| 1693 tid->addIdent(id); | |
| 1694 } | |
| 1695 t = tid; | |
| 1696 break; | |
| 1697 | |
| 1698 case TOKdot: | |
| 1699 // Leading . as in .foo | |
| 1700 id = Id::empty; | |
| 1701 goto Lident; | |
| 1702 | |
| 1703 case TOKtypeof: | |
| 1704 { Expression *exp; | |
| 1705 | |
| 1706 nextToken(); | |
| 1707 check(TOKlparen); | |
| 1708 exp = parseExpression(); | |
| 1709 check(TOKrparen); | |
| 1710 tid = new TypeTypeof(loc, exp); | |
| 1711 goto Lident2; | |
| 1712 } | |
| 1713 | |
| 1714 default: | |
| 1715 error("basic type expected, not %s", token.toChars()); | |
| 1716 t = Type::tint32; | |
| 1717 break; | |
| 1718 } | |
| 1719 return t; | |
| 1720 } | |
| 1721 | |
| 1722 /****************************************** | |
| 1723 * Parse things that follow the initial type t. | |
| 1724 * t * | |
| 1725 * t [] | |
| 1726 * t [type] | |
| 1727 * t [expression] | |
| 1728 * t [expression .. expression] | |
| 1729 * t function | |
| 1730 * t delegate | |
| 1731 */ | |
| 1732 | |
| 1733 Type *Parser::parseBasicType2(Type *t) | |
| 1734 { | |
| 1735 Type *ts; | |
| 1736 Type *ta; | |
| 1737 | |
| 1738 //printf("parseBasicType2()\n"); | |
| 1739 while (1) | |
| 1740 { | |
| 1741 switch (token.value) | |
| 1742 { | |
| 1743 case TOKmul: | |
| 1744 t = new TypePointer(t); | |
| 1745 nextToken(); | |
| 1746 continue; | |
| 1747 | |
| 1748 case TOKlbracket: | |
| 1749 #if LTORARRAYDECL | |
| 1750 // Handle []. Make sure things like | |
| 1751 // int[3][1] a; | |
| 1752 // is (array[1] of array[3] of int) | |
| 1753 nextToken(); | |
| 1754 if (token.value == TOKrbracket) | |
| 1755 { | |
| 1756 t = new TypeDArray(t); // [] | |
| 1757 nextToken(); | |
| 1758 } | |
| 1759 else if (isDeclaration(&token, 0, TOKrbracket, NULL)) | |
| 1760 { // It's an associative array declaration | |
| 1761 Type *index; | |
| 1762 | |
| 1763 //printf("it's an associative array\n"); | |
| 1764 index = parseBasicType(); | |
| 1765 index = parseDeclarator(index, NULL); // [ type ] | |
| 1766 t = new TypeAArray(t, index); | |
| 1767 check(TOKrbracket); | |
| 1768 } | |
| 1769 else | |
| 1770 { | |
| 1771 //printf("it's [expression]\n"); | |
| 1772 inBrackets++; | |
| 1773 Expression *e = parseExpression(); // [ expression ] | |
| 1774 if (token.value == TOKslice) | |
| 1775 { Expression *e2; | |
| 1776 | |
| 1777 nextToken(); | |
| 1778 e2 = parseExpression(); // [ exp .. exp ] | |
| 1779 t = new TypeSlice(t, e, e2); | |
| 1780 } | |
| 1781 else | |
| 1782 t = new TypeSArray(t,e); | |
| 1783 inBrackets--; | |
| 1784 check(TOKrbracket); | |
| 1785 } | |
| 1786 continue; | |
| 1787 #else | |
| 1788 // Handle []. Make sure things like | |
| 1789 // int[3][1] a; | |
| 1790 // is (array[3] of array[1] of int) | |
| 1791 ts = t; | |
| 1792 while (token.value == TOKlbracket) | |
| 1793 { | |
| 1794 nextToken(); | |
| 1795 if (token.value == TOKrbracket) | |
| 1796 { | |
| 1797 ta = new TypeDArray(t); // [] | |
| 1798 nextToken(); | |
| 1799 } | |
| 1800 else if (isDeclaration(&token, 0, TOKrbracket, NULL)) | |
| 1801 { // It's an associative array declaration | |
| 1802 Type *index; | |
| 1803 | |
| 1804 //printf("it's an associative array\n"); | |
| 1805 index = parseBasicType(); | |
| 1806 index = parseDeclarator(index, NULL); // [ type ] | |
| 1807 check(TOKrbracket); | |
| 1808 ta = new TypeAArray(t, index); | |
| 1809 } | |
| 1810 else | |
| 1811 { | |
| 1812 //printf("it's [expression]\n"); | |
| 1813 Expression *e = parseExpression(); // [ expression ] | |
| 1814 ta = new TypeSArray(t,e); | |
| 1815 check(TOKrbracket); | |
| 1816 } | |
| 1817 Type **pt; | |
| 1818 for (pt = &ts; *pt != t; pt = &(*pt)->next) | |
| 1819 ; | |
| 1820 *pt = ta; | |
| 1821 } | |
| 1822 t = ts; | |
| 1823 continue; | |
| 1824 #endif | |
| 1825 | |
| 1826 case TOKdelegate: | |
| 1827 case TOKfunction: | |
| 1828 { // Handle delegate declaration: | |
| 1829 // t delegate(parameter list) | |
| 1830 // t function(parameter list) | |
| 1831 Arguments *arguments; | |
| 1832 int varargs; | |
| 1833 enum TOK save = token.value; | |
| 1834 | |
| 1835 nextToken(); | |
| 1836 arguments = parseParameters(&varargs); | |
| 1837 t = new TypeFunction(arguments, t, varargs, linkage); | |
| 1838 if (save == TOKdelegate) | |
| 1839 t = new TypeDelegate(t); | |
| 1840 else | |
| 1841 t = new TypePointer(t); // pointer to function | |
| 1842 continue; | |
| 1843 } | |
| 1844 | |
| 1845 default: | |
| 1846 ts = t; | |
| 1847 break; | |
| 1848 } | |
| 1849 break; | |
| 1850 } | |
| 1851 return ts; | |
| 1852 } | |
| 1853 | |
| 1854 Type *Parser::parseDeclarator(Type *t, Identifier **pident, TemplateParameters **tpl) | |
| 1855 { Type *ts; | |
| 1856 Type *ta; | |
| 1857 | |
| 1858 //printf("parseDeclarator(tpl = %p)\n", tpl); | |
| 1859 t = parseBasicType2(t); | |
| 1860 | |
| 1861 switch (token.value) | |
| 1862 { | |
| 1863 | |
| 1864 case TOKidentifier: | |
| 1865 if (pident) | |
| 1866 *pident = token.ident; | |
| 1867 else | |
| 1868 error("unexpected identifer '%s' in declarator", token.ident->toChars()); | |
| 1869 ts = t; | |
| 1870 nextToken(); | |
| 1871 break; | |
| 1872 | |
| 1873 case TOKlparen: | |
| 1874 /* Parse things with parentheses around the identifier, like: | |
| 1875 * int (*ident[3])[] | |
| 1876 * although the D style would be: | |
| 1877 * int[]*[3] ident | |
| 1878 */ | |
| 1879 nextToken(); | |
| 1880 ts = parseDeclarator(t, pident); | |
| 1881 check(TOKrparen); | |
| 1882 break; | |
| 1883 | |
| 1884 default: | |
| 1885 ts = t; | |
| 1886 break; | |
| 1887 } | |
| 1888 | |
| 1889 while (1) | |
| 1890 { | |
| 1891 switch (token.value) | |
| 1892 { | |
| 1893 #if CARRAYDECL | |
| 1894 /* Support C style array syntax: | |
| 1895 * int ident[] | |
| 1896 * as opposed to D-style: | |
| 1897 * int[] ident | |
| 1898 */ | |
| 1899 case TOKlbracket: | |
| 1900 { // This is the old C-style post [] syntax. | |
| 1901 nextToken(); | |
| 1902 if (token.value == TOKrbracket) | |
| 1903 { // It's a dynamic array | |
| 1904 ta = new TypeDArray(t); // [] | |
| 1905 nextToken(); | |
| 1906 } | |
| 1907 else if (isDeclaration(&token, 0, TOKrbracket, NULL)) | |
| 1908 { // It's an associative array declaration | |
| 1909 Type *index; | |
| 1910 | |
| 1911 //printf("it's an associative array\n"); | |
| 1912 index = parseBasicType(); | |
| 1913 index = parseDeclarator(index, NULL); // [ type ] | |
| 1914 check(TOKrbracket); | |
| 1915 ta = new TypeAArray(t, index); | |
| 1916 } | |
| 1917 else | |
| 1918 { | |
| 1919 //printf("it's [expression]\n"); | |
| 1920 Expression *e = parseExpression(); // [ expression ] | |
| 1921 ta = new TypeSArray(t, e); | |
| 1922 check(TOKrbracket); | |
| 1923 } | |
| 1924 /* Insert ta into | |
| 1925 * ts -> ... -> t | |
| 1926 * so that | |
| 1927 * ts -> ... -> ta -> t | |
| 1928 */ | |
| 1929 Type **pt; | |
| 1930 for (pt = &ts; *pt != t; pt = &(*pt)->next) | |
| 1931 ; | |
| 1932 *pt = ta; | |
| 1933 continue; | |
| 1934 } | |
| 1935 #endif | |
| 1936 case TOKlparen: | |
| 1937 { Arguments *arguments; | |
| 1938 int varargs; | |
| 1939 | |
| 1940 if (tpl) | |
| 1941 { | |
| 1942 /* Look ahead to see if this is (...)(...), | |
| 1943 * i.e. a function template declaration | |
| 1944 */ | |
| 1945 if (peekPastParen(&token)->value == TOKlparen) | |
| 1946 { // It's a function template declaration | |
| 1947 //printf("function template declaration\n"); | |
| 1948 | |
| 1949 // Gather template parameter list | |
| 1950 *tpl = parseTemplateParameterList(); | |
| 1951 } | |
| 1952 } | |
| 1953 | |
| 1954 arguments = parseParameters(&varargs); | |
| 1955 Type *ta = new TypeFunction(arguments, t, varargs, linkage); | |
| 1956 Type **pt; | |
| 1957 for (pt = &ts; *pt != t; pt = &(*pt)->next) | |
| 1958 ; | |
| 1959 *pt = ta; | |
| 1960 break; | |
| 1961 } | |
| 1962 } | |
| 1963 break; | |
| 1964 } | |
| 1965 | |
| 1966 return ts; | |
| 1967 } | |
| 1968 | |
| 1969 /********************************** | |
| 1970 * Parse Declarations. | |
| 1971 * These can be: | |
| 1972 * 1. declarations at global/class level | |
| 1973 * 2. declarations at statement level | |
| 1974 * Return array of Declaration *'s. | |
| 1975 */ | |
| 1976 | |
| 1977 Array *Parser::parseDeclarations() | |
| 1978 { | |
| 1979 enum STC storage_class; | |
| 1980 enum STC stc; | |
| 1981 Type *ts; | |
| 1982 Type *t; | |
| 1983 Type *tfirst; | |
| 1984 Identifier *ident; | |
| 1985 Array *a; | |
| 1986 enum TOK tok; | |
| 1987 unsigned char *comment = token.blockComment; | |
| 1988 enum LINK link = linkage; | |
| 1989 | |
| 1990 //printf("parseDeclarations()\n"); | |
| 1991 switch (token.value) | |
| 1992 { | |
| 1993 case TOKtypedef: | |
| 1994 case TOKalias: | |
| 1995 tok = token.value; | |
| 1996 nextToken(); | |
| 1997 break; | |
| 1998 | |
| 1999 default: | |
| 2000 tok = TOKreserved; | |
| 2001 break; | |
| 2002 } | |
| 2003 | |
| 2004 storage_class = STCundefined; | |
| 2005 while (1) | |
| 2006 { | |
| 2007 switch (token.value) | |
| 2008 { | |
| 2009 case TOKconst: stc = STCconst; goto L1; | |
| 2010 case TOKstatic: stc = STCstatic; goto L1; | |
| 2011 case TOKfinal: stc = STCfinal; goto L1; | |
| 2012 case TOKauto: stc = STCauto; goto L1; | |
| 2013 case TOKscope: stc = STCscope; goto L1; | |
| 2014 case TOKoverride: stc = STCoverride; goto L1; | |
| 2015 case TOKabstract: stc = STCabstract; goto L1; | |
| 2016 case TOKsynchronized: stc = STCsynchronized; goto L1; | |
| 2017 case TOKdeprecated: stc = STCdeprecated; goto L1; | |
| 2018 L1: | |
| 2019 if (storage_class & stc) | |
| 2020 error("redundant storage class '%s'", token.toChars()); | |
| 2021 storage_class = (STC) (storage_class | stc); | |
| 2022 nextToken(); | |
| 2023 continue; | |
| 2024 | |
| 2025 case TOKextern: | |
| 2026 if (peek(&token)->value != TOKlparen) | |
| 2027 { stc = STCextern; | |
| 2028 goto L1; | |
| 2029 } | |
| 2030 | |
| 2031 link = parseLinkage(); | |
| 2032 continue; | |
| 2033 | |
| 2034 default: | |
| 2035 break; | |
| 2036 } | |
| 2037 break; | |
| 2038 } | |
| 2039 | |
| 2040 a = new Array(); | |
| 2041 | |
| 2042 /* Look for auto initializers: | |
| 2043 * storage_class identifier = initializer; | |
| 2044 */ | |
| 2045 while (storage_class && | |
| 2046 token.value == TOKidentifier && | |
| 2047 peek(&token)->value == TOKassign) | |
| 2048 { | |
| 2049 ident = token.ident; | |
| 2050 nextToken(); | |
| 2051 nextToken(); | |
| 2052 Initializer *init = parseInitializer(); | |
| 2053 VarDeclaration *v = new VarDeclaration(loc, NULL, ident, init); | |
| 2054 v->storage_class = storage_class; | |
| 2055 a->push(v); | |
| 2056 if (token.value == TOKsemicolon) | |
| 2057 { | |
| 2058 nextToken(); | |
| 2059 addComment(v, comment); | |
| 2060 } | |
| 2061 else if (token.value == TOKcomma) | |
| 2062 { | |
| 2063 nextToken(); | |
| 2064 if (!(token.value == TOKidentifier && peek(&token)->value == TOKassign)) | |
| 2065 { | |
| 2066 error("Identifier expected following comma"); | |
| 2067 } | |
| 2068 else | |
| 2069 continue; | |
| 2070 } | |
| 2071 else | |
| 2072 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 2073 return a; | |
| 2074 } | |
| 2075 | |
| 2076 if (token.value == TOKclass) | |
| 2077 { AggregateDeclaration *s; | |
| 2078 | |
| 2079 s = (AggregateDeclaration *)parseAggregate(); | |
| 2080 s->storage_class |= storage_class; | |
| 2081 a->push(s); | |
| 2082 addComment(s, comment); | |
| 2083 return a; | |
| 2084 } | |
| 2085 | |
| 2086 ts = parseBasicType(); | |
| 2087 ts = parseBasicType2(ts); | |
| 2088 tfirst = NULL; | |
| 2089 | |
| 2090 while (1) | |
| 2091 { | |
| 2092 Loc loc = this->loc; | |
| 2093 TemplateParameters *tpl = NULL; | |
| 2094 | |
| 2095 ident = NULL; | |
| 2096 t = parseDeclarator(ts, &ident, &tpl); | |
| 2097 assert(t); | |
| 2098 if (!tfirst) | |
| 2099 tfirst = t; | |
| 2100 else if (t != tfirst) | |
| 2101 error("multiple declarations must have the same type, not %s and %s", | |
| 2102 tfirst->toChars(), t->toChars()); | |
| 2103 if (!ident) | |
| 2104 error("no identifier for declarator %s", t->toChars()); | |
| 2105 | |
| 2106 if (tok == TOKtypedef || tok == TOKalias) | |
| 2107 { Declaration *v; | |
| 2108 Initializer *init; | |
| 2109 | |
| 2110 init = NULL; | |
| 2111 if (token.value == TOKassign) | |
| 2112 { | |
| 2113 nextToken(); | |
| 2114 init = parseInitializer(); | |
| 2115 } | |
| 2116 if (tok == TOKtypedef) | |
| 2117 v = new TypedefDeclaration(loc, ident, t, init); | |
| 2118 else | |
| 2119 { if (init) | |
| 2120 error("alias cannot have initializer"); | |
| 2121 v = new AliasDeclaration(loc, ident, t); | |
| 2122 } | |
| 2123 v->storage_class = storage_class; | |
| 2124 if (link == linkage) | |
| 2125 a->push(v); | |
| 2126 else | |
| 2127 { | |
| 2128 Array *ax = new Array(); | |
| 2129 ax->push(v); | |
| 2130 Dsymbol *s = new LinkDeclaration(link, ax); | |
| 2131 a->push(s); | |
| 2132 } | |
| 2133 switch (token.value) | |
| 2134 { case TOKsemicolon: | |
| 2135 nextToken(); | |
| 2136 addComment(v, comment); | |
| 2137 break; | |
| 2138 | |
| 2139 case TOKcomma: | |
| 2140 nextToken(); | |
| 2141 addComment(v, comment); | |
| 2142 continue; | |
| 2143 | |
| 2144 default: | |
| 2145 error("semicolon expected to close %s declaration", Token::toChars(tok)); | |
| 2146 break; | |
| 2147 } | |
| 2148 } | |
| 2149 else if (t->ty == Tfunction) | |
| 2150 { FuncDeclaration *f; | |
| 2151 Dsymbol *s; | |
| 2152 | |
| 2153 f = new FuncDeclaration(loc, 0, ident, storage_class, t); | |
| 2154 addComment(f, comment); | |
| 2155 parseContracts(f); | |
| 2156 addComment(f, NULL); | |
| 2157 if (link == linkage) | |
| 2158 { | |
| 2159 s = f; | |
| 2160 } | |
| 2161 else | |
| 2162 { | |
| 2163 Array *ax = new Array(); | |
| 2164 ax->push(f); | |
| 2165 s = new LinkDeclaration(link, ax); | |
| 2166 } | |
| 2167 if (tpl) // it's a function template | |
| 2168 { Array *decldefs; | |
| 2169 TemplateDeclaration *tempdecl; | |
| 2170 | |
| 2171 // Wrap a template around the aggregate declaration | |
| 2172 decldefs = new Array(); | |
| 2173 decldefs->push(s); | |
| 2174 tempdecl = new TemplateDeclaration(loc, s->ident, tpl, decldefs); | |
| 2175 s = tempdecl; | |
| 2176 } | |
| 2177 addComment(s, comment); | |
| 2178 a->push(s); | |
| 2179 } | |
| 2180 else | |
| 2181 { VarDeclaration *v; | |
| 2182 Initializer *init; | |
| 2183 | |
| 2184 init = NULL; | |
| 2185 if (token.value == TOKassign) | |
| 2186 { | |
| 2187 nextToken(); | |
| 2188 init = parseInitializer(); | |
| 2189 } | |
| 2190 v = new VarDeclaration(loc, t, ident, init); | |
| 2191 v->storage_class = storage_class; | |
| 2192 if (link == linkage) | |
| 2193 a->push(v); | |
| 2194 else | |
| 2195 { | |
| 2196 Array *ax = new Array(); | |
| 2197 ax->push(v); | |
| 2198 Dsymbol *s = new LinkDeclaration(link, ax); | |
| 2199 a->push(s); | |
| 2200 } | |
| 2201 switch (token.value) | |
| 2202 { case TOKsemicolon: | |
| 2203 nextToken(); | |
| 2204 addComment(v, comment); | |
| 2205 break; | |
| 2206 | |
| 2207 case TOKcomma: | |
| 2208 nextToken(); | |
| 2209 addComment(v, comment); | |
| 2210 continue; | |
| 2211 | |
| 2212 default: | |
| 2213 error("semicolon expected, not '%s'", token.toChars()); | |
| 2214 break; | |
| 2215 } | |
| 2216 } | |
| 2217 break; | |
| 2218 } | |
| 2219 return a; | |
| 2220 } | |
| 2221 | |
| 2222 /***************************************** | |
| 2223 * Parse auto declarations of the form: | |
| 2224 * storageClass ident = init, ident = init, ... ; | |
| 2225 * and return the array of them. | |
| 2226 * Starts with token on the first ident. | |
| 2227 * Ends with scanner past closing ';' | |
| 2228 */ | |
| 2229 | |
| 2230 #if DMDV2 | |
| 2231 Array *Parser::parseAutoDeclarations(unsigned storageClass, unsigned char *comment) | |
| 2232 { | |
| 2233 Array *a = new Array; | |
| 2234 | |
| 2235 while (1) | |
| 2236 { | |
| 2237 Identifier *ident = token.ident; | |
| 2238 nextToken(); // skip over ident | |
| 2239 assert(token.value == TOKassign); | |
| 2240 nextToken(); // skip over '=' | |
| 2241 Initializer *init = parseInitializer(); | |
| 2242 VarDeclaration *v = new VarDeclaration(loc, NULL, ident, init); | |
| 2243 v->storage_class = storageClass; | |
| 2244 a->push(v); | |
| 2245 if (token.value == TOKsemicolon) | |
| 2246 { | |
| 2247 nextToken(); | |
| 2248 addComment(v, comment); | |
| 2249 } | |
| 2250 else if (token.value == TOKcomma) | |
| 2251 { | |
| 2252 nextToken(); | |
| 2253 if (token.value == TOKidentifier && | |
| 2254 peek(&token)->value == TOKassign) | |
| 2255 { | |
| 2256 addComment(v, comment); | |
| 2257 continue; | |
| 2258 } | |
| 2259 else | |
| 2260 error("Identifier expected following comma"); | |
| 2261 } | |
| 2262 else | |
| 2263 error("semicolon expected following auto declaration, not '%s'", token.toChars()); | |
| 2264 break; | |
| 2265 } | |
| 2266 return a; | |
| 2267 } | |
| 2268 #endif | |
| 2269 | |
| 2270 /***************************************** | |
| 2271 * Parse contracts following function declaration. | |
| 2272 */ | |
| 2273 | |
| 2274 void Parser::parseContracts(FuncDeclaration *f) | |
| 2275 { | |
| 2276 Type *tb; | |
| 2277 enum LINK linksave = linkage; | |
| 2278 | |
| 2279 // The following is irrelevant, as it is overridden by sc->linkage in | |
| 2280 // TypeFunction::semantic | |
| 2281 linkage = LINKd; // nested functions have D linkage | |
| 2282 L1: | |
| 2283 switch (token.value) | |
| 2284 { | |
| 2285 case TOKlcurly: | |
| 2286 if (f->frequire || f->fensure) | |
| 2287 error("missing body { ... } after in or out"); | |
| 2288 f->fbody = parseStatement(PSsemi); | |
| 2289 f->endloc = endloc; | |
| 2290 break; | |
| 2291 | |
| 2292 case TOKbody: | |
| 2293 nextToken(); | |
| 2294 f->fbody = parseStatement(PScurly); | |
| 2295 f->endloc = endloc; | |
| 2296 break; | |
| 2297 | |
| 2298 case TOKsemicolon: | |
| 2299 if (f->frequire || f->fensure) | |
| 2300 error("missing body { ... } after in or out"); | |
| 2301 nextToken(); | |
| 2302 break; | |
| 2303 | |
| 2304 #if 0 // Do we want this for function declarations, so we can do: | |
| 2305 // int x, y, foo(), z; | |
| 2306 case TOKcomma: | |
| 2307 nextToken(); | |
| 2308 continue; | |
| 2309 #endif | |
| 2310 | |
| 2311 #if 0 // Dumped feature | |
| 2312 case TOKthrow: | |
| 2313 if (!f->fthrows) | |
| 2314 f->fthrows = new Array(); | |
| 2315 nextToken(); | |
| 2316 check(TOKlparen); | |
| 2317 while (1) | |
| 2318 { | |
| 2319 tb = parseBasicType(); | |
| 2320 f->fthrows->push(tb); | |
| 2321 if (token.value == TOKcomma) | |
| 2322 { nextToken(); | |
| 2323 continue; | |
| 2324 } | |
| 2325 break; | |
| 2326 } | |
| 2327 check(TOKrparen); | |
| 2328 goto L1; | |
| 2329 #endif | |
| 2330 | |
| 2331 case TOKin: | |
| 2332 nextToken(); | |
| 2333 if (f->frequire) | |
| 2334 error("redundant 'in' statement"); | |
| 2335 f->frequire = parseStatement(PScurly | PSscope); | |
| 2336 goto L1; | |
| 2337 | |
| 2338 case TOKout: | |
| 2339 // parse: out (identifier) { statement } | |
| 2340 nextToken(); | |
| 2341 if (token.value != TOKlcurly) | |
| 2342 { | |
| 2343 check(TOKlparen); | |
| 2344 if (token.value != TOKidentifier) | |
| 2345 error("(identifier) following 'out' expected, not %s", token.toChars()); | |
| 2346 f->outId = token.ident; | |
| 2347 nextToken(); | |
| 2348 check(TOKrparen); | |
| 2349 } | |
| 2350 if (f->fensure) | |
| 2351 error("redundant 'out' statement"); | |
| 2352 f->fensure = parseStatement(PScurly | PSscope); | |
| 2353 goto L1; | |
| 2354 | |
| 2355 default: | |
| 2356 error("semicolon expected following function declaration"); | |
| 2357 break; | |
| 2358 } | |
| 2359 linkage = linksave; | |
| 2360 } | |
| 2361 | |
| 2362 /***************************************** | |
| 2363 */ | |
| 2364 | |
| 2365 Initializer *Parser::parseInitializer() | |
| 2366 { | |
| 2367 StructInitializer *is; | |
| 2368 ArrayInitializer *ia; | |
| 2369 ExpInitializer *ie; | |
| 2370 Expression *e; | |
| 2371 Identifier *id; | |
| 2372 Initializer *value; | |
| 2373 int comma; | |
| 2374 Loc loc = this->loc; | |
| 2375 Token *t; | |
| 2376 int braces; | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2377 int brackets; |
| 336 | 2378 |
| 2379 switch (token.value) | |
| 2380 { | |
| 2381 case TOKlcurly: | |
| 2382 /* Scan ahead to see if it is a struct initializer or | |
| 2383 * a function literal. | |
| 2384 * If it contains a ';', it is a function literal. | |
| 2385 * Treat { } as a struct initializer. | |
| 2386 */ | |
| 2387 braces = 1; | |
| 2388 for (t = peek(&token); 1; t = peek(t)) | |
| 2389 { | |
| 2390 switch (t->value) | |
| 2391 { | |
| 2392 case TOKsemicolon: | |
| 2393 case TOKreturn: | |
| 2394 goto Lexpression; | |
| 2395 | |
| 2396 case TOKlcurly: | |
| 2397 braces++; | |
| 2398 continue; | |
| 2399 | |
| 2400 case TOKrcurly: | |
| 2401 if (--braces == 0) | |
| 2402 break; | |
| 2403 continue; | |
| 2404 | |
| 2405 case TOKeof: | |
| 2406 break; | |
| 2407 | |
| 2408 default: | |
| 2409 continue; | |
| 2410 } | |
| 2411 break; | |
| 2412 } | |
| 2413 | |
| 2414 is = new StructInitializer(loc); | |
| 2415 nextToken(); | |
| 2416 comma = 0; | |
| 2417 while (1) | |
| 2418 { | |
| 2419 switch (token.value) | |
| 2420 { | |
| 2421 case TOKidentifier: | |
| 2422 if (comma == 1) | |
| 2423 error("comma expected separating field initializers"); | |
| 2424 t = peek(&token); | |
| 2425 if (t->value == TOKcolon) | |
| 2426 { | |
| 2427 id = token.ident; | |
| 2428 nextToken(); | |
| 2429 nextToken(); // skip over ':' | |
| 2430 } | |
| 2431 else | |
| 2432 { id = NULL; | |
| 2433 } | |
| 2434 value = parseInitializer(); | |
| 2435 is->addInit(id, value); | |
| 2436 comma = 1; | |
| 2437 continue; | |
| 2438 | |
| 2439 case TOKcomma: | |
| 2440 nextToken(); | |
| 2441 comma = 2; | |
| 2442 continue; | |
| 2443 | |
| 2444 case TOKrcurly: // allow trailing comma's | |
| 2445 nextToken(); | |
| 2446 break; | |
| 2447 | |
| 2448 case TOKeof: | |
| 2449 error("found EOF instead of initializer"); | |
| 2450 break; | |
| 2451 | |
| 2452 default: | |
| 2453 value = parseInitializer(); | |
| 2454 is->addInit(NULL, value); | |
| 2455 comma = 1; | |
| 2456 continue; | |
| 2457 //error("found '%s' instead of field initializer", token.toChars()); | |
| 2458 //break; | |
| 2459 } | |
| 2460 break; | |
| 2461 } | |
| 2462 return is; | |
| 2463 | |
| 2464 case TOKlbracket: | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2465 /* Scan ahead to see if it is an array initializer or |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2466 * an expression. |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2467 * If it ends with a ';', it is an array initializer. |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2468 */ |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2469 brackets = 1; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2470 for (t = peek(&token); 1; t = peek(t)) |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2471 { |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2472 switch (t->value) |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2473 { |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2474 case TOKlbracket: |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2475 brackets++; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2476 continue; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2477 |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2478 case TOKrbracket: |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2479 if (--brackets == 0) |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2480 { t = peek(t); |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2481 if (t->value != TOKsemicolon && |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2482 t->value != TOKcomma && |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2483 t->value != TOKrcurly) |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2484 goto Lexpression; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2485 break; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2486 } |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2487 continue; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2488 |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2489 case TOKeof: |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2490 break; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2491 |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2492 default: |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2493 continue; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2494 } |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2495 break; |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2496 } |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
2497 |
| 336 | 2498 ia = new ArrayInitializer(loc); |
| 2499 nextToken(); | |
| 2500 comma = 0; | |
| 2501 while (1) | |
| 2502 { | |
| 2503 switch (token.value) | |
| 2504 { | |
| 2505 default: | |
| 2506 if (comma == 1) | |
| 2507 { error("comma expected separating array initializers, not %s", token.toChars()); | |
| 2508 nextToken(); | |
| 2509 break; | |
| 2510 } | |
| 2511 e = parseAssignExp(); | |
| 2512 if (!e) | |
| 2513 break; | |
| 2514 if (token.value == TOKcolon) | |
| 2515 { | |
| 2516 nextToken(); | |
| 2517 value = parseInitializer(); | |
| 2518 } | |
| 2519 else | |
| 2520 { value = new ExpInitializer(e->loc, e); | |
| 2521 e = NULL; | |
| 2522 } | |
| 2523 ia->addInit(e, value); | |
| 2524 comma = 1; | |
| 2525 continue; | |
| 2526 | |
| 2527 case TOKlcurly: | |
| 2528 case TOKlbracket: | |
| 2529 if (comma == 1) | |
| 2530 error("comma expected separating array initializers, not %s", token.toChars()); | |
| 2531 value = parseInitializer(); | |
| 2532 ia->addInit(NULL, value); | |
| 2533 comma = 1; | |
| 2534 continue; | |
| 2535 | |
| 2536 case TOKcomma: | |
| 2537 nextToken(); | |
| 2538 comma = 2; | |
| 2539 continue; | |
| 2540 | |
| 2541 case TOKrbracket: // allow trailing comma's | |
| 2542 nextToken(); | |
| 2543 break; | |
| 2544 | |
| 2545 case TOKeof: | |
| 2546 error("found '%s' instead of array initializer", token.toChars()); | |
| 2547 break; | |
| 2548 } | |
| 2549 break; | |
| 2550 } | |
| 2551 return ia; | |
| 2552 | |
| 2553 case TOKvoid: | |
| 2554 t = peek(&token); | |
| 2555 if (t->value == TOKsemicolon || t->value == TOKcomma) | |
| 2556 { | |
| 2557 nextToken(); | |
| 2558 return new VoidInitializer(loc); | |
| 2559 } | |
| 2560 goto Lexpression; | |
| 2561 | |
| 2562 default: | |
| 2563 Lexpression: | |
| 2564 e = parseAssignExp(); | |
| 2565 ie = new ExpInitializer(loc, e); | |
| 2566 return ie; | |
| 2567 } | |
| 2568 } | |
| 2569 | |
| 2570 /***************************************** | |
| 2571 * Parses default argument initializer expression that is an assign expression, | |
| 2572 * with special handling for __FILE__ and __LINE__. | |
| 2573 */ | |
| 2574 | |
| 2575 #if DMDV2 | |
| 2576 Expression *Parser::parseDefaultInitExp() | |
| 2577 { | |
| 2578 if (token.value == TOKfile || | |
| 2579 token.value == TOKline) | |
| 2580 { | |
| 2581 Token *t = peek(&token); | |
| 2582 if (t->value == TOKcomma || t->value == TOKrparen) | |
| 2583 { Expression *e; | |
| 2584 | |
| 2585 if (token.value == TOKfile) | |
| 2586 e = new FileInitExp(loc); | |
| 2587 else | |
| 2588 e = new LineInitExp(loc); | |
| 2589 nextToken(); | |
| 2590 return e; | |
| 2591 } | |
| 2592 } | |
| 2593 | |
| 2594 Expression *e = parseAssignExp(); | |
| 2595 return e; | |
| 2596 } | |
| 2597 #endif | |
| 2598 | |
| 2599 /***************************************** | |
| 2600 * Input: | |
| 2601 * flags PSxxxx | |
| 2602 */ | |
| 2603 | |
| 2604 Statement *Parser::parseStatement(int flags) | |
| 2605 { Statement *s; | |
| 2606 Token *t; | |
| 2607 Condition *condition; | |
| 2608 Statement *ifbody; | |
| 2609 Statement *elsebody; | |
| 2610 Loc loc = this->loc; | |
| 2611 | |
| 2612 //printf("parseStatement()\n"); | |
| 2613 | |
| 2614 if (flags & PScurly && token.value != TOKlcurly) | |
| 2615 error("statement expected to be { }, not %s", token.toChars()); | |
| 2616 | |
| 2617 switch (token.value) | |
| 2618 { | |
| 2619 case TOKidentifier: | |
| 2620 // Need to look ahead to see if it is a declaration, label, or expression | |
| 2621 t = peek(&token); | |
| 2622 if (t->value == TOKcolon) | |
| 2623 { // It's a label | |
| 2624 Identifier *ident; | |
| 2625 | |
| 2626 ident = token.ident; | |
| 2627 nextToken(); | |
| 2628 nextToken(); | |
| 2629 s = parseStatement(PSsemi); | |
| 2630 s = new LabelStatement(loc, ident, s); | |
| 2631 break; | |
| 2632 } | |
| 2633 // fallthrough to TOKdot | |
| 2634 case TOKdot: | |
| 2635 case TOKtypeof: | |
| 2636 if (isDeclaration(&token, 2, TOKreserved, NULL)) | |
| 2637 goto Ldeclaration; | |
| 2638 else | |
| 2639 goto Lexp; | |
| 2640 break; | |
| 2641 | |
| 2642 case TOKassert: | |
| 2643 case TOKthis: | |
| 2644 case TOKsuper: | |
| 2645 case TOKint32v: | |
| 2646 case TOKuns32v: | |
| 2647 case TOKint64v: | |
| 2648 case TOKuns64v: | |
| 2649 case TOKfloat32v: | |
| 2650 case TOKfloat64v: | |
| 2651 case TOKfloat80v: | |
| 2652 case TOKimaginary32v: | |
| 2653 case TOKimaginary64v: | |
| 2654 case TOKimaginary80v: | |
| 2655 case TOKcharv: | |
| 2656 case TOKwcharv: | |
| 2657 case TOKdcharv: | |
| 2658 case TOKnull: | |
| 2659 case TOKtrue: | |
| 2660 case TOKfalse: | |
| 2661 case TOKstring: | |
| 2662 case TOKlparen: | |
| 2663 case TOKcast: | |
| 2664 case TOKmul: | |
| 2665 case TOKmin: | |
| 2666 case TOKadd: | |
| 2667 case TOKplusplus: | |
| 2668 case TOKminusminus: | |
| 2669 case TOKnew: | |
| 2670 case TOKdelete: | |
| 2671 case TOKdelegate: | |
| 2672 case TOKfunction: | |
| 2673 case TOKtypeid: | |
| 2674 case TOKis: | |
| 2675 case TOKlbracket: | |
| 2676 #if DMDV2 | |
| 2677 case TOKtraits: | |
| 2678 case TOKfile: | |
| 2679 case TOKline: | |
| 2680 #endif | |
| 2681 Lexp: | |
| 2682 { Expression *exp; | |
| 2683 | |
| 2684 exp = parseExpression(); | |
| 2685 check(TOKsemicolon, "statement"); | |
| 2686 s = new ExpStatement(loc, exp); | |
| 2687 break; | |
| 2688 } | |
| 2689 | |
| 2690 case TOKstatic: | |
| 2691 { // Look ahead to see if it's static assert() or static if() | |
| 2692 Token *t; | |
| 2693 | |
| 2694 t = peek(&token); | |
| 2695 if (t->value == TOKassert) | |
| 2696 { | |
| 2697 nextToken(); | |
| 2698 s = new StaticAssertStatement(parseStaticAssert()); | |
| 2699 break; | |
| 2700 } | |
| 2701 if (t->value == TOKif) | |
| 2702 { | |
| 2703 nextToken(); | |
| 2704 condition = parseStaticIfCondition(); | |
| 2705 goto Lcondition; | |
| 2706 } | |
| 2707 goto Ldeclaration; | |
| 2708 } | |
| 2709 | |
| 2710 CASE_BASIC_TYPES: | |
| 2711 case TOKtypedef: | |
| 2712 case TOKalias: | |
| 2713 case TOKconst: | |
| 2714 case TOKauto: | |
| 2715 case TOKextern: | |
| 2716 case TOKfinal: | |
| 2717 case TOKinvariant: | |
| 2718 // case TOKtypeof: | |
| 2719 Ldeclaration: | |
| 2720 { Array *a; | |
| 2721 | |
| 2722 a = parseDeclarations(); | |
| 2723 if (a->dim > 1) | |
| 2724 { | |
| 2725 Statements *as = new Statements(); | |
| 2726 as->reserve(a->dim); | |
| 2727 for (int i = 0; i < a->dim; i++) | |
| 2728 { | |
| 2729 Dsymbol *d = (Dsymbol *)a->data[i]; | |
| 2730 s = new DeclarationStatement(loc, d); | |
| 2731 as->push(s); | |
| 2732 } | |
| 2733 s = new CompoundStatement(loc, as); | |
| 2734 } | |
| 2735 else if (a->dim == 1) | |
| 2736 { | |
| 2737 Dsymbol *d = (Dsymbol *)a->data[0]; | |
| 2738 s = new DeclarationStatement(loc, d); | |
| 2739 } | |
| 2740 else | |
| 2741 assert(0); | |
| 2742 if (flags & PSscope) | |
| 2743 s = new ScopeStatement(loc, s); | |
| 2744 break; | |
| 2745 } | |
| 2746 | |
| 2747 case TOKstruct: | |
| 2748 case TOKunion: | |
| 2749 case TOKclass: | |
| 2750 case TOKinterface: | |
| 2751 { Dsymbol *d; | |
| 2752 | |
| 2753 d = parseAggregate(); | |
| 2754 s = new DeclarationStatement(loc, d); | |
| 2755 break; | |
| 2756 } | |
| 2757 | |
| 2758 case TOKenum: | |
| 2759 { Dsymbol *d; | |
| 2760 | |
| 2761 d = parseEnum(); | |
| 2762 s = new DeclarationStatement(loc, d); | |
| 2763 break; | |
| 2764 } | |
| 2765 | |
| 2766 case TOKmixin: | |
| 2767 { t = peek(&token); | |
| 2768 if (t->value == TOKlparen) | |
| 2769 { // mixin(string) | |
| 2770 nextToken(); | |
| 2771 check(TOKlparen, "mixin"); | |
| 2772 Expression *e = parseAssignExp(); | |
| 2773 check(TOKrparen); | |
| 2774 check(TOKsemicolon); | |
| 2775 s = new CompileStatement(loc, e); | |
| 2776 break; | |
| 2777 } | |
| 2778 Dsymbol *d = parseMixin(); | |
| 2779 s = new DeclarationStatement(loc, d); | |
| 2780 break; | |
| 2781 } | |
| 2782 | |
| 2783 case TOKlcurly: | |
| 2784 { Statements *statements; | |
| 2785 | |
| 2786 nextToken(); | |
| 2787 statements = new Statements(); | |
| 2788 while (token.value != TOKrcurly) | |
| 2789 { | |
| 2790 statements->push(parseStatement(PSsemi | PScurlyscope)); | |
| 2791 } | |
| 2792 endloc = this->loc; | |
| 2793 s = new CompoundStatement(loc, statements); | |
| 2794 if (flags & (PSscope | PScurlyscope)) | |
| 2795 s = new ScopeStatement(loc, s); | |
| 2796 nextToken(); | |
| 2797 break; | |
| 2798 } | |
| 2799 | |
| 2800 case TOKwhile: | |
| 2801 { Expression *condition; | |
| 2802 Statement *body; | |
| 2803 | |
| 2804 nextToken(); | |
| 2805 check(TOKlparen); | |
| 2806 condition = parseExpression(); | |
| 2807 check(TOKrparen); | |
| 2808 body = parseStatement(PSscope); | |
| 2809 s = new WhileStatement(loc, condition, body); | |
| 2810 break; | |
| 2811 } | |
| 2812 | |
| 2813 case TOKsemicolon: | |
| 2814 if (!(flags & PSsemi)) | |
| 2815 error("use '{ }' for an empty statement, not a ';'"); | |
| 2816 nextToken(); | |
| 2817 s = new ExpStatement(loc, NULL); | |
| 2818 break; | |
| 2819 | |
| 2820 case TOKdo: | |
| 2821 { Statement *body; | |
| 2822 Expression *condition; | |
| 2823 | |
| 2824 nextToken(); | |
| 2825 body = parseStatement(PSscope); | |
| 2826 check(TOKwhile); | |
| 2827 check(TOKlparen); | |
| 2828 condition = parseExpression(); | |
| 2829 check(TOKrparen); | |
| 2830 s = new DoStatement(loc, body, condition); | |
| 2831 break; | |
| 2832 } | |
| 2833 | |
| 2834 case TOKfor: | |
| 2835 { | |
| 2836 Statement *init; | |
| 2837 Expression *condition; | |
| 2838 Expression *increment; | |
| 2839 Statement *body; | |
| 2840 | |
| 2841 nextToken(); | |
| 2842 check(TOKlparen); | |
| 2843 if (token.value == TOKsemicolon) | |
| 2844 { init = NULL; | |
| 2845 nextToken(); | |
| 2846 } | |
| 2847 else | |
| 2848 { init = parseStatement(0); | |
| 2849 } | |
| 2850 if (token.value == TOKsemicolon) | |
| 2851 { | |
| 2852 condition = NULL; | |
| 2853 nextToken(); | |
| 2854 } | |
| 2855 else | |
| 2856 { | |
| 2857 condition = parseExpression(); | |
| 2858 check(TOKsemicolon, "for condition"); | |
| 2859 } | |
| 2860 if (token.value == TOKrparen) | |
| 2861 { increment = NULL; | |
| 2862 nextToken(); | |
| 2863 } | |
| 2864 else | |
| 2865 { increment = parseExpression(); | |
| 2866 check(TOKrparen); | |
| 2867 } | |
| 2868 body = parseStatement(PSscope); | |
| 2869 s = new ForStatement(loc, init, condition, increment, body); | |
| 2870 if (init) | |
| 2871 s = new ScopeStatement(loc, s); | |
| 2872 break; | |
| 2873 } | |
| 2874 | |
| 2875 case TOKforeach: | |
| 2876 case TOKforeach_reverse: | |
| 2877 { | |
| 2878 enum TOK op = token.value; | |
| 2879 Arguments *arguments; | |
| 2880 | |
| 2881 Statement *d; | |
| 2882 Statement *body; | |
| 2883 Expression *aggr; | |
| 2884 | |
| 2885 nextToken(); | |
| 2886 check(TOKlparen); | |
| 2887 | |
| 2888 arguments = new Arguments(); | |
| 2889 | |
| 2890 while (1) | |
| 2891 { | |
| 2892 Type *tb; | |
| 2893 Identifier *ai = NULL; | |
| 2894 Type *at; | |
| 2895 unsigned storageClass; | |
| 2896 Argument *a; | |
| 2897 | |
| 2898 storageClass = STCin; | |
| 2899 if (token.value == TOKinout || token.value == TOKref) | |
| 2900 { storageClass = STCref; | |
| 2901 nextToken(); | |
| 2902 } | |
| 2903 if (token.value == TOKidentifier) | |
| 2904 { | |
| 2905 Token *t = peek(&token); | |
| 2906 if (t->value == TOKcomma || t->value == TOKsemicolon) | |
| 2907 { ai = token.ident; | |
| 2908 at = NULL; // infer argument type | |
| 2909 nextToken(); | |
| 2910 goto Larg; | |
| 2911 } | |
| 2912 } | |
| 2913 tb = parseBasicType(); | |
| 2914 at = parseDeclarator(tb, &ai); | |
| 2915 if (!ai) | |
| 2916 error("no identifier for declarator %s", at->toChars()); | |
| 2917 Larg: | |
| 2918 a = new Argument(storageClass, at, ai, NULL); | |
| 2919 arguments->push(a); | |
| 2920 if (token.value == TOKcomma) | |
| 2921 { nextToken(); | |
| 2922 continue; | |
| 2923 } | |
| 2924 break; | |
| 2925 } | |
| 2926 check(TOKsemicolon); | |
| 2927 | |
| 2928 aggr = parseExpression(); | |
| 2929 check(TOKrparen); | |
| 2930 body = parseStatement(0); | |
| 2931 s = new ForeachStatement(loc, op, arguments, aggr, body); | |
| 2932 break; | |
| 2933 } | |
| 2934 | |
| 2935 case TOKif: | |
| 2936 { Argument *arg = NULL; | |
| 2937 Expression *condition; | |
| 2938 Statement *ifbody; | |
| 2939 Statement *elsebody; | |
| 2940 | |
| 2941 nextToken(); | |
| 2942 check(TOKlparen); | |
| 2943 | |
| 2944 if (token.value == TOKauto) | |
| 2945 { | |
| 2946 nextToken(); | |
| 2947 if (token.value == TOKidentifier) | |
| 2948 { | |
| 2949 Token *t = peek(&token); | |
| 2950 if (t->value == TOKassign) | |
| 2951 { | |
| 2952 arg = new Argument(STCin, NULL, token.ident, NULL); | |
| 2953 nextToken(); | |
| 2954 nextToken(); | |
| 2955 } | |
| 2956 else | |
| 2957 { error("= expected following auto identifier"); | |
| 2958 goto Lerror; | |
| 2959 } | |
| 2960 } | |
| 2961 else | |
| 2962 { error("identifier expected following auto"); | |
| 2963 goto Lerror; | |
| 2964 } | |
| 2965 } | |
| 2966 else if (isDeclaration(&token, 2, TOKassign, NULL)) | |
| 2967 { | |
| 2968 Type *tb; | |
| 2969 Type *at; | |
| 2970 Identifier *ai; | |
| 2971 | |
| 2972 tb = parseBasicType(); | |
| 2973 at = parseDeclarator(tb, &ai); | |
| 2974 check(TOKassign); | |
| 2975 arg = new Argument(STCin, at, ai, NULL); | |
| 2976 } | |
| 2977 | |
| 2978 // Check for " ident;" | |
| 2979 else if (token.value == TOKidentifier) | |
| 2980 { | |
| 2981 Token *t = peek(&token); | |
| 2982 if (t->value == TOKcomma || t->value == TOKsemicolon) | |
| 2983 { | |
| 2984 arg = new Argument(STCin, NULL, token.ident, NULL); | |
| 2985 nextToken(); | |
| 2986 nextToken(); | |
| 2987 if (1 || !global.params.useDeprecated) | |
| 2988 error("if (v; e) is deprecated, use if (auto v = e)"); | |
| 2989 } | |
| 2990 } | |
| 2991 | |
| 2992 condition = parseExpression(); | |
| 2993 check(TOKrparen); | |
| 2994 ifbody = parseStatement(PSscope); | |
| 2995 if (token.value == TOKelse) | |
| 2996 { | |
| 2997 nextToken(); | |
| 2998 elsebody = parseStatement(PSscope); | |
| 2999 } | |
| 3000 else | |
| 3001 elsebody = NULL; | |
| 3002 s = new IfStatement(loc, arg, condition, ifbody, elsebody); | |
| 3003 break; | |
| 3004 } | |
| 3005 | |
| 3006 case TOKscope: | |
| 3007 if (peek(&token)->value != TOKlparen) | |
| 3008 goto Ldeclaration; // scope used as storage class | |
| 3009 nextToken(); | |
| 3010 check(TOKlparen); | |
| 3011 if (token.value != TOKidentifier) | |
| 3012 { error("scope identifier expected"); | |
| 3013 goto Lerror; | |
| 3014 } | |
| 3015 else | |
| 3016 { TOK t = TOKon_scope_exit; | |
| 3017 Identifier *id = token.ident; | |
| 3018 | |
| 3019 if (id == Id::exit) | |
| 3020 t = TOKon_scope_exit; | |
| 3021 else if (id == Id::failure) | |
| 3022 t = TOKon_scope_failure; | |
| 3023 else if (id == Id::success) | |
| 3024 t = TOKon_scope_success; | |
| 3025 else | |
| 3026 error("valid scope identifiers are exit, failure, or success, not %s", id->toChars()); | |
| 3027 nextToken(); | |
| 3028 check(TOKrparen); | |
| 3029 Statement *st = parseStatement(PScurlyscope); | |
| 3030 s = new OnScopeStatement(loc, t, st); | |
| 3031 break; | |
| 3032 } | |
| 3033 | |
| 3034 case TOKdebug: | |
| 3035 nextToken(); | |
| 3036 condition = parseDebugCondition(); | |
| 3037 goto Lcondition; | |
| 3038 | |
| 3039 case TOKversion: | |
| 3040 nextToken(); | |
| 3041 condition = parseVersionCondition(); | |
| 3042 goto Lcondition; | |
| 3043 | |
| 3044 Lcondition: | |
| 3045 ifbody = parseStatement(0 /*PSsemi*/); | |
| 3046 elsebody = NULL; | |
| 3047 if (token.value == TOKelse) | |
| 3048 { | |
| 3049 nextToken(); | |
| 3050 elsebody = parseStatement(0 /*PSsemi*/); | |
| 3051 } | |
| 3052 s = new ConditionalStatement(loc, condition, ifbody, elsebody); | |
| 3053 break; | |
| 3054 | |
| 3055 case TOKpragma: | |
| 3056 { Identifier *ident; | |
| 3057 Expressions *args = NULL; | |
| 3058 Statement *body; | |
| 3059 | |
| 3060 nextToken(); | |
| 3061 check(TOKlparen); | |
| 3062 if (token.value != TOKidentifier) | |
| 3063 { error("pragma(identifier expected"); | |
| 3064 goto Lerror; | |
| 3065 } | |
| 3066 ident = token.ident; | |
| 3067 nextToken(); | |
| 3068 if (token.value == TOKcomma) | |
| 3069 args = parseArguments(); // pragma(identifier, args...); | |
| 3070 else | |
| 3071 check(TOKrparen); // pragma(identifier); | |
| 3072 if (token.value == TOKsemicolon) | |
| 3073 { nextToken(); | |
| 3074 body = NULL; | |
| 3075 } | |
| 3076 else | |
| 3077 body = parseStatement(PSsemi); | |
| 3078 s = new PragmaStatement(loc, ident, args, body); | |
| 3079 break; | |
| 3080 } | |
| 3081 | |
| 3082 case TOKswitch: | |
| 3083 { Expression *condition; | |
| 3084 Statement *body; | |
| 3085 | |
| 3086 nextToken(); | |
| 3087 check(TOKlparen); | |
| 3088 condition = parseExpression(); | |
| 3089 check(TOKrparen); | |
| 3090 body = parseStatement(PSscope); | |
| 3091 s = new SwitchStatement(loc, condition, body); | |
| 3092 break; | |
| 3093 } | |
| 3094 | |
| 3095 case TOKcase: | |
| 3096 { Expression *exp; | |
| 3097 Statements *statements; | |
| 3098 Array cases; // array of Expression's | |
| 3099 | |
| 3100 while (1) | |
| 3101 { | |
| 3102 nextToken(); | |
| 3103 exp = parseAssignExp(); | |
| 3104 cases.push(exp); | |
| 3105 if (token.value != TOKcomma) | |
| 3106 break; | |
| 3107 } | |
| 3108 check(TOKcolon); | |
| 3109 | |
| 3110 statements = new Statements(); | |
| 3111 while (token.value != TOKcase && | |
| 3112 token.value != TOKdefault && | |
| 3113 token.value != TOKrcurly) | |
| 3114 { | |
| 3115 statements->push(parseStatement(PSsemi | PScurlyscope)); | |
| 3116 } | |
| 3117 s = new CompoundStatement(loc, statements); | |
| 3118 s = new ScopeStatement(loc, s); | |
| 3119 | |
| 3120 // Keep cases in order by building the case statements backwards | |
| 3121 for (int i = cases.dim; i; i--) | |
| 3122 { | |
| 3123 exp = (Expression *)cases.data[i - 1]; | |
| 3124 s = new CaseStatement(loc, exp, s); | |
| 3125 } | |
| 3126 break; | |
| 3127 } | |
| 3128 | |
| 3129 case TOKdefault: | |
| 3130 { | |
| 3131 Statements *statements; | |
| 3132 | |
| 3133 nextToken(); | |
| 3134 check(TOKcolon); | |
| 3135 | |
| 3136 statements = new Statements(); | |
| 3137 while (token.value != TOKcase && | |
| 3138 token.value != TOKdefault && | |
| 3139 token.value != TOKrcurly) | |
| 3140 { | |
| 3141 statements->push(parseStatement(PSsemi | PScurlyscope)); | |
| 3142 } | |
| 3143 s = new CompoundStatement(loc, statements); | |
| 3144 s = new ScopeStatement(loc, s); | |
| 3145 s = new DefaultStatement(loc, s); | |
| 3146 break; | |
| 3147 } | |
| 3148 | |
| 3149 case TOKreturn: | |
| 3150 { Expression *exp; | |
| 3151 | |
| 3152 nextToken(); | |
| 3153 if (token.value == TOKsemicolon) | |
| 3154 exp = NULL; | |
| 3155 else | |
| 3156 exp = parseExpression(); | |
| 3157 check(TOKsemicolon, "return statement"); | |
| 3158 s = new ReturnStatement(loc, exp); | |
| 3159 break; | |
| 3160 } | |
| 3161 | |
| 3162 case TOKbreak: | |
| 3163 { Identifier *ident; | |
| 3164 | |
| 3165 nextToken(); | |
| 3166 if (token.value == TOKidentifier) | |
| 3167 { ident = token.ident; | |
| 3168 nextToken(); | |
| 3169 } | |
| 3170 else | |
| 3171 ident = NULL; | |
| 3172 check(TOKsemicolon, "break statement"); | |
| 3173 s = new BreakStatement(loc, ident); | |
| 3174 break; | |
| 3175 } | |
| 3176 | |
| 3177 case TOKcontinue: | |
| 3178 { Identifier *ident; | |
| 3179 | |
| 3180 nextToken(); | |
| 3181 if (token.value == TOKidentifier) | |
| 3182 { ident = token.ident; | |
| 3183 nextToken(); | |
| 3184 } | |
| 3185 else | |
| 3186 ident = NULL; | |
| 3187 check(TOKsemicolon, "continue statement"); | |
| 3188 s = new ContinueStatement(loc, ident); | |
| 3189 break; | |
| 3190 } | |
| 3191 | |
| 3192 case TOKgoto: | |
| 3193 { Identifier *ident; | |
| 3194 | |
| 3195 nextToken(); | |
| 3196 if (token.value == TOKdefault) | |
| 3197 { | |
| 3198 nextToken(); | |
| 3199 s = new GotoDefaultStatement(loc); | |
| 3200 } | |
| 3201 else if (token.value == TOKcase) | |
| 3202 { | |
| 3203 Expression *exp = NULL; | |
| 3204 | |
| 3205 nextToken(); | |
| 3206 if (token.value != TOKsemicolon) | |
| 3207 exp = parseExpression(); | |
| 3208 s = new GotoCaseStatement(loc, exp); | |
| 3209 } | |
| 3210 else | |
| 3211 { | |
| 3212 if (token.value != TOKidentifier) | |
| 3213 { error("Identifier expected following goto"); | |
| 3214 ident = NULL; | |
| 3215 } | |
| 3216 else | |
| 3217 { ident = token.ident; | |
| 3218 nextToken(); | |
| 3219 } | |
| 3220 s = new GotoStatement(loc, ident); | |
| 3221 } | |
| 3222 check(TOKsemicolon, "goto statement"); | |
| 3223 break; | |
| 3224 } | |
| 3225 | |
| 3226 case TOKsynchronized: | |
| 3227 { Expression *exp; | |
| 3228 Statement *body; | |
| 3229 | |
| 3230 nextToken(); | |
| 3231 if (token.value == TOKlparen) | |
| 3232 { | |
| 3233 nextToken(); | |
| 3234 exp = parseExpression(); | |
| 3235 check(TOKrparen); | |
| 3236 } | |
| 3237 else | |
| 3238 exp = NULL; | |
| 3239 body = parseStatement(PSscope); | |
| 3240 s = new SynchronizedStatement(loc, exp, body); | |
| 3241 break; | |
| 3242 } | |
| 3243 | |
| 3244 case TOKwith: | |
| 3245 { Expression *exp; | |
| 3246 Statement *body; | |
| 3247 | |
| 3248 nextToken(); | |
| 3249 check(TOKlparen); | |
| 3250 exp = parseExpression(); | |
| 3251 check(TOKrparen); | |
| 3252 body = parseStatement(PSscope); | |
| 3253 s = new WithStatement(loc, exp, body); | |
| 3254 break; | |
| 3255 } | |
| 3256 | |
| 3257 case TOKtry: | |
| 3258 { Statement *body; | |
| 3259 Array *catches = NULL; | |
| 3260 Statement *finalbody = NULL; | |
| 3261 | |
| 3262 nextToken(); | |
| 3263 body = parseStatement(PSscope); | |
| 3264 while (token.value == TOKcatch) | |
| 3265 { | |
| 3266 Statement *handler; | |
| 3267 Catch *c; | |
| 3268 Type *t; | |
| 3269 Identifier *id; | |
| 3270 Loc loc = this->loc; | |
| 3271 | |
| 3272 nextToken(); | |
| 3273 if (token.value == TOKlcurly) | |
| 3274 { | |
| 3275 t = NULL; | |
| 3276 id = NULL; | |
| 3277 } | |
| 3278 else | |
| 3279 { | |
| 3280 check(TOKlparen); | |
| 3281 t = parseBasicType(); | |
| 3282 id = NULL; | |
| 3283 t = parseDeclarator(t, &id); | |
| 3284 check(TOKrparen); | |
| 3285 } | |
| 3286 handler = parseStatement(0); | |
| 3287 c = new Catch(loc, t, id, handler); | |
| 3288 if (!catches) | |
| 3289 catches = new Array(); | |
| 3290 catches->push(c); | |
| 3291 } | |
| 3292 | |
| 3293 if (token.value == TOKfinally) | |
| 3294 { nextToken(); | |
| 3295 finalbody = parseStatement(0); | |
| 3296 } | |
| 3297 | |
| 3298 s = body; | |
| 3299 if (!catches && !finalbody) | |
| 3300 error("catch or finally expected following try"); | |
| 3301 else | |
| 3302 { if (catches) | |
| 3303 s = new TryCatchStatement(loc, body, catches); | |
| 3304 if (finalbody) | |
| 3305 s = new TryFinallyStatement(loc, s, finalbody); | |
| 3306 } | |
| 3307 break; | |
| 3308 } | |
| 3309 | |
| 3310 case TOKthrow: | |
| 3311 { Expression *exp; | |
| 3312 | |
| 3313 nextToken(); | |
| 3314 exp = parseExpression(); | |
| 3315 check(TOKsemicolon, "throw statement"); | |
| 3316 s = new ThrowStatement(loc, exp); | |
| 3317 break; | |
| 3318 } | |
| 3319 | |
| 3320 case TOKvolatile: | |
| 3321 nextToken(); | |
| 3322 s = parseStatement(PSsemi | PScurlyscope); | |
| 3323 #if DMDV2 | |
| 3324 if (!global.params.useDeprecated) | |
| 3325 error("volatile statements deprecated; used synchronized statements instead"); | |
| 3326 #endif | |
| 3327 s = new VolatileStatement(loc, s); | |
| 3328 break; | |
| 3329 | |
| 3330 case TOKasm: | |
| 3331 { Statements *statements; | |
| 3332 Identifier *label; | |
| 3333 Loc labelloc; | |
| 3334 Token *toklist; | |
| 3335 Token **ptoklist; | |
| 3336 | |
| 3337 // Parse the asm block into a sequence of AsmStatements, | |
| 3338 // each AsmStatement is one instruction. | |
| 3339 // Separate out labels. | |
| 3340 // Defer parsing of AsmStatements until semantic processing. | |
| 3341 | |
| 3342 nextToken(); | |
| 3343 check(TOKlcurly); | |
| 3344 toklist = NULL; | |
| 3345 ptoklist = &toklist; | |
| 3346 label = NULL; | |
| 3347 statements = new Statements(); | |
| 3348 while (1) | |
| 3349 { | |
| 3350 switch (token.value) | |
| 3351 { | |
| 3352 case TOKidentifier: | |
| 3353 if (!toklist) | |
| 3354 { | |
| 3355 // Look ahead to see if it is a label | |
| 3356 t = peek(&token); | |
| 3357 if (t->value == TOKcolon) | |
| 3358 { // It's a label | |
| 3359 label = token.ident; | |
| 3360 labelloc = this->loc; | |
| 3361 nextToken(); | |
| 3362 nextToken(); | |
| 3363 continue; | |
| 3364 } | |
| 3365 } | |
| 3366 goto Ldefault; | |
| 3367 | |
| 3368 case TOKrcurly: | |
| 3369 if (toklist || label) | |
| 3370 { | |
| 3371 error("asm statements must end in ';'"); | |
| 3372 } | |
| 3373 break; | |
| 3374 | |
| 3375 case TOKsemicolon: | |
| 3376 s = NULL; | |
| 3377 if (toklist || label) | |
| 3378 { // Create AsmStatement from list of tokens we've saved | |
| 3379 s = new AsmStatement(this->loc, toklist); | |
| 3380 toklist = NULL; | |
| 3381 ptoklist = &toklist; | |
| 3382 if (label) | |
| 3383 { s = new LabelStatement(labelloc, label, s); | |
| 3384 label = NULL; | |
| 3385 } | |
| 3386 statements->push(s); | |
| 3387 } | |
| 3388 nextToken(); | |
| 3389 continue; | |
| 3390 | |
| 3391 case TOKeof: | |
| 3392 /* { */ | |
| 3393 error("matching '}' expected, not end of file"); | |
| 3394 break; | |
| 3395 | |
| 3396 default: | |
| 3397 Ldefault: | |
| 3398 *ptoklist = new Token(); | |
| 3399 memcpy(*ptoklist, &token, sizeof(Token)); | |
| 3400 ptoklist = &(*ptoklist)->next; | |
| 3401 *ptoklist = NULL; | |
| 3402 | |
| 3403 nextToken(); | |
| 3404 continue; | |
| 3405 } | |
| 3406 break; | |
| 3407 } | |
| 3408 s = new AsmBlockStatement(loc, statements); | |
| 3409 nextToken(); | |
| 3410 break; | |
| 3411 } | |
| 3412 | |
| 3413 default: | |
| 3414 error("found '%s' instead of statement", token.toChars()); | |
| 3415 goto Lerror; | |
| 3416 | |
| 3417 Lerror: | |
| 3418 while (token.value != TOKrcurly && | |
| 3419 token.value != TOKsemicolon && | |
| 3420 token.value != TOKeof) | |
| 3421 nextToken(); | |
| 3422 if (token.value == TOKsemicolon) | |
| 3423 nextToken(); | |
| 3424 s = NULL; | |
| 3425 break; | |
| 3426 } | |
| 3427 | |
| 3428 return s; | |
| 3429 } | |
| 3430 | |
| 3431 void Parser::check(enum TOK value) | |
| 3432 { | |
| 3433 check(loc, value); | |
| 3434 } | |
| 3435 | |
| 3436 void Parser::check(Loc loc, enum TOK value) | |
| 3437 { | |
| 3438 if (token.value != value) | |
| 3439 error(loc, "found '%s' when expecting '%s'", token.toChars(), Token::toChars(value)); | |
| 3440 nextToken(); | |
| 3441 } | |
| 3442 | |
| 3443 void Parser::check(enum TOK value, char *string) | |
| 3444 { | |
| 3445 if (token.value != value) | |
| 3446 error("found '%s' when expecting '%s' following '%s'", | |
| 3447 token.toChars(), Token::toChars(value), string); | |
| 3448 nextToken(); | |
| 3449 } | |
| 3450 | |
| 3451 /************************************ | |
| 3452 * Determine if the scanner is sitting on the start of a declaration. | |
| 3453 * Input: | |
| 3454 * needId 0 no identifier | |
| 3455 * 1 identifier optional | |
| 3456 * 2 must have identifier | |
| 3457 */ | |
| 3458 | |
| 3459 int Parser::isDeclaration(Token *t, int needId, enum TOK endtok, Token **pt) | |
| 3460 { | |
| 3461 int haveId = 0; | |
| 3462 | |
| 3463 #if DMDV2 | |
| 3464 if ((t->value == TOKconst || t->value == TOKinvariant) && | |
| 3465 peek(t)->value != TOKlparen) | |
| 3466 { /* const type | |
| 3467 * invariant type | |
| 3468 */ | |
| 3469 t = peek(t); | |
| 3470 } | |
| 3471 #endif | |
| 3472 | |
| 3473 if (!isBasicType(&t)) | |
| 3474 return FALSE; | |
| 3475 if (!isDeclarator(&t, &haveId, endtok)) | |
| 3476 return FALSE; | |
| 3477 if ( needId == 1 || | |
| 3478 (needId == 0 && !haveId) || | |
| 3479 (needId == 2 && haveId)) | |
| 3480 { if (pt) | |
| 3481 *pt = t; | |
| 3482 return TRUE; | |
| 3483 } | |
| 3484 else | |
| 3485 return FALSE; | |
| 3486 } | |
| 3487 | |
| 3488 int Parser::isBasicType(Token **pt) | |
| 3489 { | |
| 3490 // This code parallels parseBasicType() | |
| 3491 Token *t = *pt; | |
| 3492 Token *t2; | |
| 3493 int parens; | |
| 3494 | |
| 3495 switch (t->value) | |
| 3496 { | |
| 3497 CASE_BASIC_TYPES: | |
| 3498 t = peek(t); | |
| 3499 break; | |
| 3500 | |
| 3501 case TOKidentifier: | |
| 3502 t = peek(t); | |
| 3503 if (t->value == TOKnot) | |
| 3504 { | |
| 3505 goto L4; | |
| 3506 } | |
| 3507 goto L3; | |
| 3508 while (1) | |
| 3509 { | |
| 3510 L2: | |
| 3511 t = peek(t); | |
| 3512 L3: | |
| 3513 if (t->value == TOKdot) | |
| 3514 { | |
| 3515 Ldot: | |
| 3516 t = peek(t); | |
| 3517 if (t->value != TOKidentifier) | |
| 3518 goto Lfalse; | |
| 3519 t = peek(t); | |
| 3520 if (t->value != TOKnot) | |
| 3521 goto L3; | |
| 3522 L4: | |
| 3523 t = peek(t); | |
| 3524 if (t->value != TOKlparen) | |
| 3525 goto Lfalse; | |
| 3526 if (!skipParens(t, &t)) | |
| 3527 goto Lfalse; | |
| 3528 } | |
| 3529 else | |
| 3530 break; | |
| 3531 } | |
| 3532 break; | |
| 3533 | |
| 3534 case TOKdot: | |
| 3535 goto Ldot; | |
| 3536 | |
| 3537 case TOKtypeof: | |
| 3538 /* typeof(exp).identifier... | |
| 3539 */ | |
| 3540 t = peek(t); | |
| 3541 if (t->value != TOKlparen) | |
| 3542 goto Lfalse; | |
| 3543 if (!skipParens(t, &t)) | |
| 3544 goto Lfalse; | |
| 3545 goto L2; | |
| 3546 | |
| 3547 default: | |
| 3548 goto Lfalse; | |
| 3549 } | |
| 3550 *pt = t; | |
| 3551 return TRUE; | |
| 3552 | |
| 3553 Lfalse: | |
| 3554 return FALSE; | |
| 3555 } | |
| 3556 | |
| 3557 int Parser::isDeclarator(Token **pt, int *haveId, enum TOK endtok) | |
| 3558 { // This code parallels parseDeclarator() | |
| 3559 Token *t = *pt; | |
| 3560 int parens; | |
| 3561 | |
| 3562 //printf("Parser::isDeclarator()\n"); | |
| 3563 //t->print(); | |
| 3564 if (t->value == TOKassign) | |
| 3565 return FALSE; | |
| 3566 | |
| 3567 while (1) | |
| 3568 { | |
| 3569 parens = FALSE; | |
| 3570 switch (t->value) | |
| 3571 { | |
| 3572 case TOKmul: | |
| 3573 case TOKand: | |
| 3574 t = peek(t); | |
| 3575 continue; | |
| 3576 | |
| 3577 case TOKlbracket: | |
| 3578 t = peek(t); | |
| 3579 if (t->value == TOKrbracket) | |
| 3580 { | |
| 3581 t = peek(t); | |
| 3582 } | |
| 3583 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 3584 { // It's an associative array declaration | |
| 3585 t = peek(t); | |
| 3586 } | |
| 3587 else | |
| 3588 { | |
| 3589 // [ expression ] | |
| 3590 // [ expression .. expression ] | |
| 3591 if (!isExpression(&t)) | |
| 3592 return FALSE; | |
| 3593 if (t->value == TOKslice) | |
| 3594 { t = peek(t); | |
| 3595 if (!isExpression(&t)) | |
| 3596 return FALSE; | |
| 3597 } | |
| 3598 if (t->value != TOKrbracket) | |
| 3599 return FALSE; | |
| 3600 t = peek(t); | |
| 3601 } | |
| 3602 continue; | |
| 3603 | |
| 3604 case TOKidentifier: | |
| 3605 if (*haveId) | |
| 3606 return FALSE; | |
| 3607 *haveId = TRUE; | |
| 3608 t = peek(t); | |
| 3609 break; | |
| 3610 | |
| 3611 case TOKlparen: | |
| 3612 t = peek(t); | |
| 3613 | |
| 3614 if (t->value == TOKrparen) | |
| 3615 return FALSE; // () is not a declarator | |
| 3616 | |
| 3617 /* Regard ( identifier ) as not a declarator | |
| 3618 * BUG: what about ( *identifier ) in | |
| 3619 * f(*p)(x); | |
| 3620 * where f is a class instance with overloaded () ? | |
| 3621 * Should we just disallow C-style function pointer declarations? | |
| 3622 */ | |
| 3623 if (t->value == TOKidentifier) | |
| 3624 { Token *t2 = peek(t); | |
| 3625 if (t2->value == TOKrparen) | |
| 3626 return FALSE; | |
| 3627 } | |
| 3628 | |
| 3629 | |
| 3630 if (!isDeclarator(&t, haveId, TOKrparen)) | |
| 3631 return FALSE; | |
| 3632 t = peek(t); | |
| 3633 parens = TRUE; | |
| 3634 break; | |
| 3635 | |
| 3636 case TOKdelegate: | |
| 3637 case TOKfunction: | |
| 3638 t = peek(t); | |
| 3639 if (!isParameters(&t)) | |
| 3640 return FALSE; | |
| 3641 continue; | |
| 3642 } | |
| 3643 break; | |
| 3644 } | |
| 3645 | |
| 3646 while (1) | |
| 3647 { | |
| 3648 switch (t->value) | |
| 3649 { | |
| 3650 #if CARRAYDECL | |
| 3651 case TOKlbracket: | |
| 3652 parens = FALSE; | |
| 3653 t = peek(t); | |
| 3654 if (t->value == TOKrbracket) | |
| 3655 { | |
| 3656 t = peek(t); | |
| 3657 } | |
| 3658 else if (isDeclaration(t, 0, TOKrbracket, &t)) | |
| 3659 { // It's an associative array declaration | |
| 3660 t = peek(t); | |
| 3661 } | |
| 3662 else | |
| 3663 { | |
| 3664 // [ expression ] | |
| 3665 if (!isExpression(&t)) | |
| 3666 return FALSE; | |
| 3667 if (t->value != TOKrbracket) | |
| 3668 return FALSE; | |
| 3669 t = peek(t); | |
| 3670 } | |
| 3671 continue; | |
| 3672 #endif | |
| 3673 | |
| 3674 case TOKlparen: | |
| 3675 parens = FALSE; | |
| 3676 if (!isParameters(&t)) | |
| 3677 return FALSE; | |
| 3678 continue; | |
| 3679 | |
| 3680 // Valid tokens that follow a declaration | |
| 3681 case TOKrparen: | |
| 3682 case TOKrbracket: | |
| 3683 case TOKassign: | |
| 3684 case TOKcomma: | |
| 3685 case TOKsemicolon: | |
| 3686 case TOKlcurly: | |
| 3687 case TOKin: | |
| 3688 // The !parens is to disallow unnecessary parentheses | |
| 3689 if (!parens && (endtok == TOKreserved || endtok == t->value)) | |
| 3690 { *pt = t; | |
| 3691 return TRUE; | |
| 3692 } | |
| 3693 return FALSE; | |
| 3694 | |
| 3695 default: | |
| 3696 return FALSE; | |
| 3697 } | |
| 3698 } | |
| 3699 } | |
| 3700 | |
| 3701 | |
| 3702 int Parser::isParameters(Token **pt) | |
| 3703 { // This code parallels parseParameters() | |
| 3704 Token *t = *pt; | |
| 3705 int tmp; | |
| 3706 | |
| 3707 //printf("isParameters()\n"); | |
| 3708 if (t->value != TOKlparen) | |
| 3709 return FALSE; | |
| 3710 | |
| 3711 t = peek(t); | |
| 3712 while (1) | |
| 3713 { | |
| 3714 switch (t->value) | |
| 3715 { | |
| 3716 case TOKrparen: | |
| 3717 break; | |
| 3718 | |
| 3719 case TOKdotdotdot: | |
| 3720 t = peek(t); | |
| 3721 break; | |
| 3722 | |
| 3723 case TOKin: | |
| 3724 case TOKout: | |
| 3725 case TOKinout: | |
| 3726 case TOKref: | |
| 3727 case TOKlazy: | |
| 3728 t = peek(t); | |
| 3729 default: | |
| 3730 if (!isBasicType(&t)) | |
| 3731 return FALSE; | |
| 3732 tmp = FALSE; | |
| 3733 if (t->value != TOKdotdotdot && | |
| 3734 !isDeclarator(&t, &tmp, TOKreserved)) | |
| 3735 return FALSE; | |
| 3736 if (t->value == TOKassign) | |
| 3737 { t = peek(t); | |
| 3738 if (!isExpression(&t)) | |
| 3739 return FALSE; | |
| 3740 } | |
| 3741 if (t->value == TOKdotdotdot) | |
| 3742 { | |
| 3743 t = peek(t); | |
| 3744 break; | |
| 3745 } | |
| 3746 if (t->value == TOKcomma) | |
| 3747 { t = peek(t); | |
| 3748 continue; | |
| 3749 } | |
| 3750 break; | |
| 3751 } | |
| 3752 break; | |
| 3753 } | |
| 3754 if (t->value != TOKrparen) | |
| 3755 return FALSE; | |
| 3756 t = peek(t); | |
| 3757 *pt = t; | |
| 3758 return TRUE; | |
| 3759 } | |
| 3760 | |
| 3761 int Parser::isExpression(Token **pt) | |
| 3762 { | |
| 3763 // This is supposed to determine if something is an expression. | |
| 3764 // What it actually does is scan until a closing right bracket | |
| 3765 // is found. | |
| 3766 | |
| 3767 Token *t = *pt; | |
| 3768 int brnest = 0; | |
| 3769 int panest = 0; | |
| 3770 | |
| 3771 for (;; t = peek(t)) | |
| 3772 { | |
| 3773 switch (t->value) | |
| 3774 { | |
| 3775 case TOKlbracket: | |
| 3776 brnest++; | |
| 3777 continue; | |
| 3778 | |
| 3779 case TOKrbracket: | |
| 3780 if (--brnest >= 0) | |
| 3781 continue; | |
| 3782 break; | |
| 3783 | |
| 3784 case TOKlparen: | |
| 3785 panest++; | |
| 3786 continue; | |
| 3787 | |
| 3788 case TOKcomma: | |
| 3789 if (brnest || panest) | |
| 3790 continue; | |
| 3791 break; | |
| 3792 | |
| 3793 case TOKrparen: | |
| 3794 if (--panest >= 0) | |
| 3795 continue; | |
| 3796 break; | |
| 3797 | |
| 3798 case TOKslice: | |
| 3799 if (brnest) | |
| 3800 continue; | |
| 3801 break; | |
| 3802 | |
| 3803 case TOKeof: | |
| 3804 return FALSE; | |
| 3805 | |
| 3806 default: | |
| 3807 continue; | |
| 3808 } | |
| 3809 break; | |
| 3810 } | |
| 3811 | |
| 3812 *pt = t; | |
| 3813 return TRUE; | |
| 3814 } | |
| 3815 | |
| 3816 /********************************************** | |
| 3817 * Skip over | |
| 3818 * instance foo.bar(parameters...) | |
| 3819 * Output: | |
| 3820 * if (pt), *pt is set to the token following the closing ) | |
| 3821 * Returns: | |
| 3822 * 1 it's valid instance syntax | |
| 3823 * 0 invalid instance syntax | |
| 3824 */ | |
| 3825 | |
| 3826 int Parser::isTemplateInstance(Token *t, Token **pt) | |
| 3827 { | |
| 3828 t = peek(t); | |
| 3829 if (t->value != TOKdot) | |
| 3830 { | |
| 3831 if (t->value != TOKidentifier) | |
| 3832 goto Lfalse; | |
| 3833 t = peek(t); | |
| 3834 } | |
| 3835 while (t->value == TOKdot) | |
| 3836 { | |
| 3837 t = peek(t); | |
| 3838 if (t->value != TOKidentifier) | |
| 3839 goto Lfalse; | |
| 3840 t = peek(t); | |
| 3841 } | |
| 3842 if (t->value != TOKlparen) | |
| 3843 goto Lfalse; | |
| 3844 | |
| 3845 // Skip over the template arguments | |
| 3846 while (1) | |
| 3847 { | |
| 3848 while (1) | |
| 3849 { | |
| 3850 t = peek(t); | |
| 3851 switch (t->value) | |
| 3852 { | |
| 3853 case TOKlparen: | |
| 3854 if (!skipParens(t, &t)) | |
| 3855 goto Lfalse; | |
| 3856 continue; | |
| 3857 case TOKrparen: | |
| 3858 break; | |
| 3859 case TOKcomma: | |
| 3860 break; | |
| 3861 case TOKeof: | |
| 3862 case TOKsemicolon: | |
| 3863 goto Lfalse; | |
| 3864 default: | |
| 3865 continue; | |
| 3866 } | |
| 3867 break; | |
| 3868 } | |
| 3869 | |
| 3870 if (t->value != TOKcomma) | |
| 3871 break; | |
| 3872 } | |
| 3873 if (t->value != TOKrparen) | |
| 3874 goto Lfalse; | |
| 3875 t = peek(t); | |
| 3876 if (pt) | |
| 3877 *pt = t; | |
| 3878 return 1; | |
| 3879 | |
| 3880 Lfalse: | |
| 3881 return 0; | |
| 3882 } | |
| 3883 | |
| 3884 /******************************************* | |
| 3885 * Skip parens, brackets. | |
| 3886 * Input: | |
| 3887 * t is on opening ( | |
| 3888 * Output: | |
| 3889 * *pt is set to closing token, which is ')' on success | |
| 3890 * Returns: | |
| 3891 * !=0 successful | |
| 3892 * 0 some parsing error | |
| 3893 */ | |
| 3894 | |
| 3895 int Parser::skipParens(Token *t, Token **pt) | |
| 3896 { | |
| 3897 int parens = 0; | |
| 3898 | |
| 3899 while (1) | |
| 3900 { | |
| 3901 switch (t->value) | |
| 3902 { | |
| 3903 case TOKlparen: | |
| 3904 parens++; | |
| 3905 break; | |
| 3906 | |
| 3907 case TOKrparen: | |
| 3908 parens--; | |
| 3909 if (parens < 0) | |
| 3910 goto Lfalse; | |
| 3911 if (parens == 0) | |
| 3912 goto Ldone; | |
| 3913 break; | |
| 3914 | |
| 3915 case TOKeof: | |
| 3916 case TOKsemicolon: | |
| 3917 goto Lfalse; | |
| 3918 | |
| 3919 default: | |
| 3920 break; | |
| 3921 } | |
| 3922 t = peek(t); | |
| 3923 } | |
| 3924 | |
| 3925 Ldone: | |
| 3926 if (*pt) | |
| 3927 *pt = t; | |
| 3928 return 1; | |
| 3929 | |
| 3930 Lfalse: | |
| 3931 return 0; | |
| 3932 } | |
| 3933 | |
| 3934 /********************************* Expression Parser ***************************/ | |
| 3935 | |
| 3936 Expression *Parser::parsePrimaryExp() | |
| 3937 { Expression *e; | |
| 3938 Type *t; | |
| 3939 Identifier *id; | |
| 3940 enum TOK save; | |
| 3941 Loc loc = this->loc; | |
| 3942 | |
| 3943 //printf("parsePrimaryExp(): loc = %d\n", loc.linnum); | |
| 3944 switch (token.value) | |
| 3945 { | |
| 3946 case TOKidentifier: | |
| 3947 id = token.ident; | |
| 3948 nextToken(); | |
| 3949 if (token.value == TOKnot && peek(&token)->value == TOKlparen) | |
| 3950 { // identifier!(template-argument-list) | |
| 3951 TemplateInstance *tempinst; | |
| 3952 | |
| 3953 tempinst = new TemplateInstance(loc, id); | |
| 3954 nextToken(); | |
| 3955 tempinst->tiargs = parseTemplateArgumentList(); | |
| 3956 e = new ScopeExp(loc, tempinst); | |
| 3957 } | |
| 3958 else | |
| 3959 e = new IdentifierExp(loc, id); | |
| 3960 break; | |
| 3961 | |
| 3962 case TOKdollar: | |
| 3963 if (!inBrackets) | |
| 3964 error("'$' is valid only inside [] of index or slice"); | |
| 3965 e = new DollarExp(loc); | |
| 3966 nextToken(); | |
| 3967 break; | |
| 3968 | |
| 3969 case TOKdot: | |
| 3970 // Signal global scope '.' operator with "" identifier | |
| 3971 e = new IdentifierExp(loc, Id::empty); | |
| 3972 break; | |
| 3973 | |
| 3974 case TOKthis: | |
| 3975 e = new ThisExp(loc); | |
| 3976 nextToken(); | |
| 3977 break; | |
| 3978 | |
| 3979 case TOKsuper: | |
| 3980 e = new SuperExp(loc); | |
| 3981 nextToken(); | |
| 3982 break; | |
| 3983 | |
| 3984 case TOKint32v: | |
| 3985 e = new IntegerExp(loc, token.int32value, Type::tint32); | |
| 3986 nextToken(); | |
| 3987 break; | |
| 3988 | |
| 3989 case TOKuns32v: | |
| 3990 e = new IntegerExp(loc, token.uns32value, Type::tuns32); | |
| 3991 nextToken(); | |
| 3992 break; | |
| 3993 | |
| 3994 case TOKint64v: | |
| 3995 e = new IntegerExp(loc, token.int64value, Type::tint64); | |
| 3996 nextToken(); | |
| 3997 break; | |
| 3998 | |
| 3999 case TOKuns64v: | |
| 4000 e = new IntegerExp(loc, token.uns64value, Type::tuns64); | |
| 4001 nextToken(); | |
| 4002 break; | |
| 4003 | |
| 4004 case TOKfloat32v: | |
| 4005 e = new RealExp(loc, token.float80value, Type::tfloat32); | |
| 4006 nextToken(); | |
| 4007 break; | |
| 4008 | |
| 4009 case TOKfloat64v: | |
| 4010 e = new RealExp(loc, token.float80value, Type::tfloat64); | |
| 4011 nextToken(); | |
| 4012 break; | |
| 4013 | |
| 4014 case TOKfloat80v: | |
| 4015 e = new RealExp(loc, token.float80value, Type::tfloat80); | |
| 4016 nextToken(); | |
| 4017 break; | |
| 4018 | |
| 4019 case TOKimaginary32v: | |
| 4020 e = new RealExp(loc, token.float80value, Type::timaginary32); | |
| 4021 nextToken(); | |
| 4022 break; | |
| 4023 | |
| 4024 case TOKimaginary64v: | |
| 4025 e = new RealExp(loc, token.float80value, Type::timaginary64); | |
| 4026 nextToken(); | |
| 4027 break; | |
| 4028 | |
| 4029 case TOKimaginary80v: | |
| 4030 e = new RealExp(loc, token.float80value, Type::timaginary80); | |
| 4031 nextToken(); | |
| 4032 break; | |
| 4033 | |
| 4034 case TOKnull: | |
| 4035 e = new NullExp(loc); | |
| 4036 nextToken(); | |
| 4037 break; | |
| 4038 | |
| 4039 #if DMDV2 | |
| 4040 case TOKfile: | |
| 4041 { char *s = loc.filename ? loc.filename : mod->ident->toChars(); | |
| 4042 e = new StringExp(loc, s, strlen(s), 0); | |
| 4043 nextToken(); | |
| 4044 break; | |
| 4045 } | |
| 4046 | |
| 4047 case TOKline: | |
| 4048 e = new IntegerExp(loc, loc.linnum, Type::tint32); | |
| 4049 nextToken(); | |
| 4050 break; | |
| 4051 #endif | |
| 4052 | |
| 4053 case TOKtrue: | |
| 4054 e = new IntegerExp(loc, 1, Type::tbool); | |
| 4055 nextToken(); | |
| 4056 break; | |
| 4057 | |
| 4058 case TOKfalse: | |
| 4059 e = new IntegerExp(loc, 0, Type::tbool); | |
| 4060 nextToken(); | |
| 4061 break; | |
| 4062 | |
| 4063 case TOKcharv: | |
| 4064 e = new IntegerExp(loc, token.uns32value, Type::tchar); | |
| 4065 nextToken(); | |
| 4066 break; | |
| 4067 | |
| 4068 case TOKwcharv: | |
| 4069 e = new IntegerExp(loc, token.uns32value, Type::twchar); | |
| 4070 nextToken(); | |
| 4071 break; | |
| 4072 | |
| 4073 case TOKdcharv: | |
| 4074 e = new IntegerExp(loc, token.uns32value, Type::tdchar); | |
| 4075 nextToken(); | |
| 4076 break; | |
| 4077 | |
| 4078 case TOKstring: | |
| 4079 { unsigned char *s; | |
| 4080 unsigned len; | |
| 4081 unsigned char postfix; | |
| 4082 | |
| 4083 // cat adjacent strings | |
| 4084 s = token.ustring; | |
| 4085 len = token.len; | |
| 4086 postfix = token.postfix; | |
| 4087 while (1) | |
| 4088 { | |
| 4089 nextToken(); | |
| 4090 if (token.value == TOKstring) | |
| 4091 { unsigned len1; | |
| 4092 unsigned len2; | |
| 4093 unsigned char *s2; | |
| 4094 | |
| 4095 if (token.postfix) | |
| 4096 { if (token.postfix != postfix) | |
| 4097 error("mismatched string literal postfixes '%c' and '%c'", postfix, token.postfix); | |
| 4098 postfix = token.postfix; | |
| 4099 } | |
| 4100 | |
| 4101 len1 = len; | |
| 4102 len2 = token.len; | |
| 4103 len = len1 + len2; | |
| 4104 s2 = (unsigned char *)mem.malloc((len + 1) * sizeof(unsigned char)); | |
| 4105 memcpy(s2, s, len1 * sizeof(unsigned char)); | |
| 4106 memcpy(s2 + len1, token.ustring, (len2 + 1) * sizeof(unsigned char)); | |
| 4107 s = s2; | |
| 4108 } | |
| 4109 else | |
| 4110 break; | |
| 4111 } | |
| 4112 e = new StringExp(loc, s, len, postfix); | |
| 4113 break; | |
| 4114 } | |
| 4115 | |
| 4116 CASE_BASIC_TYPES_X(t): | |
| 4117 nextToken(); | |
| 4118 L1: | |
| 4119 check(TOKdot, t->toChars()); | |
| 4120 if (token.value != TOKidentifier) | |
| 4121 { error("found '%s' when expecting identifier following '%s.'", token.toChars(), t->toChars()); | |
| 4122 goto Lerr; | |
| 4123 } | |
| 4124 e = new TypeDotIdExp(loc, t, token.ident); | |
| 4125 nextToken(); | |
| 4126 break; | |
| 4127 | |
| 4128 case TOKtypeof: | |
| 4129 { Expression *exp; | |
| 4130 | |
| 4131 nextToken(); | |
| 4132 check(TOKlparen); | |
| 4133 exp = parseExpression(); | |
| 4134 check(TOKrparen); | |
| 4135 t = new TypeTypeof(loc, exp); | |
| 4136 e = new TypeExp(loc, t); | |
| 4137 break; | |
| 4138 } | |
| 4139 | |
| 4140 case TOKtypeid: | |
| 4141 { Type *t; | |
| 4142 | |
| 4143 nextToken(); | |
| 4144 check(TOKlparen, "typeid"); | |
| 4145 t = parseBasicType(); | |
| 4146 t = parseDeclarator(t,NULL); // ( type ) | |
| 4147 check(TOKrparen); | |
| 4148 e = new TypeidExp(loc, t); | |
| 4149 break; | |
| 4150 } | |
| 4151 | |
| 4152 #if DMDV2 | |
| 4153 case TOKtraits: | |
| 4154 { /* __traits(identifier, args...) | |
| 4155 */ | |
| 4156 Identifier *ident; | |
| 4157 Objects *args = NULL; | |
| 4158 | |
| 4159 nextToken(); | |
| 4160 check(TOKlparen); | |
| 4161 if (token.value != TOKidentifier) | |
| 4162 { error("__traits(identifier, args...) expected"); | |
| 4163 goto Lerr; | |
| 4164 } | |
| 4165 ident = token.ident; | |
| 4166 nextToken(); | |
| 4167 if (token.value == TOKcomma) | |
| 4168 args = parseTemplateArgumentList2(); // __traits(identifier, args...) | |
| 4169 else | |
| 4170 check(TOKrparen); // __traits(identifier) | |
| 4171 | |
| 4172 e = new TraitsExp(loc, ident, args); | |
| 4173 break; | |
| 4174 } | |
| 4175 #endif | |
| 4176 | |
| 4177 case TOKis: | |
| 4178 { Type *targ; | |
| 4179 Identifier *ident = NULL; | |
| 4180 Type *tspec = NULL; | |
| 4181 enum TOK tok = TOKreserved; | |
| 4182 enum TOK tok2 = TOKreserved; | |
| 4183 Loc loc = this->loc; | |
| 4184 | |
| 4185 nextToken(); | |
| 4186 if (token.value == TOKlparen) | |
| 4187 { | |
| 4188 nextToken(); | |
| 4189 targ = parseBasicType(); | |
| 4190 targ = parseDeclarator(targ, &ident); | |
| 4191 if (token.value == TOKcolon || token.value == TOKequal) | |
| 4192 { | |
| 4193 tok = token.value; | |
| 4194 nextToken(); | |
| 4195 if (tok == TOKequal && | |
| 4196 (token.value == TOKtypedef || | |
| 4197 token.value == TOKstruct || | |
| 4198 token.value == TOKunion || | |
| 4199 token.value == TOKclass || | |
| 4200 token.value == TOKsuper || | |
| 4201 token.value == TOKenum || | |
| 4202 token.value == TOKinterface || | |
| 4203 token.value == TOKfunction || | |
| 4204 token.value == TOKdelegate || | |
| 4205 token.value == TOKreturn)) | |
| 4206 { | |
| 4207 tok2 = token.value; | |
| 4208 nextToken(); | |
| 4209 } | |
| 4210 else | |
| 4211 { | |
| 4212 tspec = parseBasicType(); | |
| 4213 tspec = parseDeclarator(tspec, NULL); | |
| 4214 } | |
| 4215 } | |
| 4216 check(TOKrparen); | |
| 4217 } | |
| 4218 else | |
| 4219 { error("(type identifier : specialization) expected following is"); | |
| 4220 goto Lerr; | |
| 4221 } | |
| 4222 e = new IsExp(loc, targ, ident, tok, tspec, tok2); | |
| 4223 break; | |
| 4224 } | |
| 4225 | |
| 4226 case TOKassert: | |
| 4227 { Expression *msg = NULL; | |
| 4228 | |
| 4229 nextToken(); | |
| 4230 check(TOKlparen, "assert"); | |
| 4231 e = parseAssignExp(); | |
| 4232 if (token.value == TOKcomma) | |
| 4233 { nextToken(); | |
| 4234 msg = parseAssignExp(); | |
| 4235 } | |
| 4236 check(TOKrparen); | |
| 4237 e = new AssertExp(loc, e, msg); | |
| 4238 break; | |
| 4239 } | |
| 4240 | |
| 4241 case TOKmixin: | |
| 4242 { | |
| 4243 nextToken(); | |
| 4244 check(TOKlparen, "mixin"); | |
| 4245 e = parseAssignExp(); | |
| 4246 check(TOKrparen); | |
| 4247 e = new CompileExp(loc, e); | |
| 4248 break; | |
| 4249 } | |
| 4250 | |
| 4251 case TOKimport: | |
| 4252 { | |
| 4253 nextToken(); | |
| 4254 check(TOKlparen, "import"); | |
| 4255 e = parseAssignExp(); | |
| 4256 check(TOKrparen); | |
| 4257 e = new FileExp(loc, e); | |
| 4258 break; | |
| 4259 } | |
| 4260 | |
| 4261 case TOKlparen: | |
| 4262 if (peekPastParen(&token)->value == TOKlcurly) | |
| 4263 { // (arguments) { statements... } | |
| 4264 save = TOKdelegate; | |
| 4265 goto case_delegate; | |
| 4266 } | |
| 4267 // ( expression ) | |
| 4268 nextToken(); | |
| 4269 e = parseExpression(); | |
| 4270 check(loc, TOKrparen); | |
| 4271 break; | |
| 4272 | |
| 4273 case TOKlbracket: | |
| 4274 { /* Parse array literals and associative array literals: | |
| 4275 * [ value, value, value ... ] | |
| 4276 * [ key:value, key:value, key:value ... ] | |
| 4277 */ | |
| 4278 Expressions *values = new Expressions(); | |
| 4279 Expressions *keys = NULL; | |
| 4280 | |
| 4281 nextToken(); | |
| 4282 if (token.value != TOKrbracket) | |
| 4283 { | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
4284 while (token.value != TOKeof) |
| 336 | 4285 { |
| 4286 Expression *e = parseAssignExp(); | |
| 4287 if (token.value == TOKcolon && (keys || values->dim == 0)) | |
| 4288 { nextToken(); | |
| 4289 if (!keys) | |
| 4290 keys = new Expressions(); | |
| 4291 keys->push(e); | |
| 4292 e = parseAssignExp(); | |
| 4293 } | |
| 4294 else if (keys) | |
| 4295 { error("'key:value' expected for associative array literal"); | |
| 4296 delete keys; | |
| 4297 keys = NULL; | |
| 4298 } | |
| 4299 values->push(e); | |
| 4300 if (token.value == TOKrbracket) | |
| 4301 break; | |
| 4302 check(TOKcomma); | |
| 4303 } | |
| 4304 } | |
| 4305 check(TOKrbracket); | |
| 4306 | |
| 4307 if (keys) | |
| 4308 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 4309 else | |
| 4310 e = new ArrayLiteralExp(loc, values); | |
| 4311 break; | |
| 4312 } | |
| 4313 | |
| 4314 case TOKlcurly: | |
| 4315 // { statements... } | |
| 4316 save = TOKdelegate; | |
| 4317 goto case_delegate; | |
| 4318 | |
| 4319 case TOKfunction: | |
| 4320 case TOKdelegate: | |
| 4321 save = token.value; | |
| 4322 nextToken(); | |
| 4323 case_delegate: | |
| 4324 { | |
| 4325 /* function type(parameters) { body } | |
| 4326 * delegate type(parameters) { body } | |
| 4327 */ | |
| 4328 Arguments *arguments; | |
| 4329 int varargs; | |
| 4330 FuncLiteralDeclaration *fd; | |
| 4331 Type *t; | |
| 4332 | |
| 4333 if (token.value == TOKlcurly) | |
| 4334 { | |
| 4335 t = NULL; | |
| 4336 varargs = 0; | |
| 4337 arguments = new Arguments(); | |
| 4338 } | |
| 4339 else | |
| 4340 { | |
| 4341 if (token.value == TOKlparen) | |
| 4342 t = NULL; | |
| 4343 else | |
| 4344 { | |
| 4345 t = parseBasicType(); | |
| 4346 t = parseBasicType2(t); // function return type | |
| 4347 } | |
| 4348 arguments = parseParameters(&varargs); | |
| 4349 } | |
| 4350 t = new TypeFunction(arguments, t, varargs, linkage); | |
| 4351 fd = new FuncLiteralDeclaration(loc, 0, t, save, NULL); | |
| 4352 parseContracts(fd); | |
| 4353 e = new FuncExp(loc, fd); | |
| 4354 break; | |
| 4355 } | |
| 4356 | |
| 4357 default: | |
| 4358 error("expression expected, not '%s'", token.toChars()); | |
| 4359 Lerr: | |
| 4360 // Anything for e, as long as it's not NULL | |
| 4361 e = new IntegerExp(loc, 0, Type::tint32); | |
| 4362 nextToken(); | |
| 4363 break; | |
| 4364 } | |
| 4365 return parsePostExp(e); | |
| 4366 } | |
| 4367 | |
| 4368 Expression *Parser::parsePostExp(Expression *e) | |
| 4369 { | |
| 4370 Loc loc; | |
| 4371 | |
| 4372 while (1) | |
| 4373 { | |
| 4374 loc = this->loc; | |
| 4375 switch (token.value) | |
| 4376 { | |
| 4377 case TOKdot: | |
| 4378 nextToken(); | |
| 4379 if (token.value == TOKidentifier) | |
| 4380 { Identifier *id = token.ident; | |
| 4381 | |
| 4382 nextToken(); | |
| 4383 if (token.value == TOKnot && peek(&token)->value == TOKlparen) | |
| 4384 { // identifier!(template-argument-list) | |
| 4385 TemplateInstance *tempinst; | |
| 4386 | |
| 4387 tempinst = new TemplateInstance(loc, id); | |
| 4388 nextToken(); | |
| 4389 tempinst->tiargs = parseTemplateArgumentList(); | |
| 4390 e = new DotTemplateInstanceExp(loc, e, tempinst); | |
| 4391 } | |
| 4392 else | |
| 4393 e = new DotIdExp(loc, e, id); | |
| 4394 continue; | |
| 4395 } | |
| 4396 else if (token.value == TOKnew) | |
| 4397 { | |
| 4398 e = parseNewExp(e); | |
| 4399 continue; | |
| 4400 } | |
| 4401 else | |
| 4402 error("identifier expected following '.', not '%s'", token.toChars()); | |
| 4403 break; | |
| 4404 | |
| 4405 case TOKplusplus: | |
| 4406 e = new PostExp(TOKplusplus, loc, e); | |
| 4407 break; | |
| 4408 | |
| 4409 case TOKminusminus: | |
| 4410 e = new PostExp(TOKminusminus, loc, e); | |
| 4411 break; | |
| 4412 | |
| 4413 case TOKlparen: | |
| 4414 e = new CallExp(loc, e, parseArguments()); | |
| 4415 continue; | |
| 4416 | |
| 4417 case TOKlbracket: | |
| 4418 { // array dereferences: | |
| 4419 // array[index] | |
| 4420 // array[] | |
| 4421 // array[lwr .. upr] | |
| 4422 Expression *index; | |
| 4423 Expression *upr; | |
| 4424 | |
| 4425 inBrackets++; | |
| 4426 nextToken(); | |
| 4427 if (token.value == TOKrbracket) | |
| 4428 { // array[] | |
| 4429 e = new SliceExp(loc, e, NULL, NULL); | |
| 4430 nextToken(); | |
| 4431 } | |
| 4432 else | |
| 4433 { | |
| 4434 index = parseAssignExp(); | |
| 4435 if (token.value == TOKslice) | |
| 4436 { // array[lwr .. upr] | |
| 4437 nextToken(); | |
| 4438 upr = parseAssignExp(); | |
| 4439 e = new SliceExp(loc, e, index, upr); | |
| 4440 } | |
| 4441 else | |
| 4442 { // array[index, i2, i3, i4, ...] | |
| 4443 Expressions *arguments = new Expressions(); | |
| 4444 arguments->push(index); | |
| 4445 if (token.value == TOKcomma) | |
| 4446 { | |
| 4447 nextToken(); | |
| 4448 while (1) | |
| 4449 { Expression *arg; | |
| 4450 | |
| 4451 arg = parseAssignExp(); | |
| 4452 arguments->push(arg); | |
| 4453 if (token.value == TOKrbracket) | |
| 4454 break; | |
| 4455 check(TOKcomma); | |
| 4456 } | |
| 4457 } | |
| 4458 e = new ArrayExp(loc, e, arguments); | |
| 4459 } | |
| 4460 check(TOKrbracket); | |
| 4461 inBrackets--; | |
| 4462 } | |
| 4463 continue; | |
| 4464 } | |
| 4465 | |
| 4466 default: | |
| 4467 return e; | |
| 4468 } | |
| 4469 nextToken(); | |
| 4470 } | |
| 4471 } | |
| 4472 | |
| 4473 Expression *Parser::parseUnaryExp() | |
| 4474 { Expression *e; | |
| 4475 Loc loc = this->loc; | |
| 4476 | |
| 4477 switch (token.value) | |
| 4478 { | |
| 4479 case TOKand: | |
| 4480 nextToken(); | |
| 4481 e = parseUnaryExp(); | |
| 4482 e = new AddrExp(loc, e); | |
| 4483 break; | |
| 4484 | |
| 4485 case TOKplusplus: | |
| 4486 nextToken(); | |
| 4487 e = parseUnaryExp(); | |
| 4488 e = new AddAssignExp(loc, e, new IntegerExp(loc, 1, Type::tint32)); | |
| 4489 break; | |
| 4490 | |
| 4491 case TOKminusminus: | |
| 4492 nextToken(); | |
| 4493 e = parseUnaryExp(); | |
| 4494 e = new MinAssignExp(loc, e, new IntegerExp(loc, 1, Type::tint32)); | |
| 4495 break; | |
| 4496 | |
| 4497 case TOKmul: | |
| 4498 nextToken(); | |
| 4499 e = parseUnaryExp(); | |
| 4500 e = new PtrExp(loc, e); | |
| 4501 break; | |
| 4502 | |
| 4503 case TOKmin: | |
| 4504 nextToken(); | |
| 4505 e = parseUnaryExp(); | |
| 4506 e = new NegExp(loc, e); | |
| 4507 break; | |
| 4508 | |
| 4509 case TOKadd: | |
| 4510 nextToken(); | |
| 4511 e = parseUnaryExp(); | |
| 4512 e = new UAddExp(loc, e); | |
| 4513 break; | |
| 4514 | |
| 4515 case TOKnot: | |
| 4516 nextToken(); | |
| 4517 e = parseUnaryExp(); | |
| 4518 e = new NotExp(loc, e); | |
| 4519 break; | |
| 4520 | |
| 4521 case TOKtilde: | |
| 4522 nextToken(); | |
| 4523 e = parseUnaryExp(); | |
| 4524 e = new ComExp(loc, e); | |
| 4525 break; | |
| 4526 | |
| 4527 case TOKdelete: | |
| 4528 nextToken(); | |
| 4529 e = parseUnaryExp(); | |
| 4530 e = new DeleteExp(loc, e); | |
| 4531 break; | |
| 4532 | |
| 4533 case TOKnew: | |
| 4534 e = parseNewExp(NULL); | |
| 4535 break; | |
| 4536 | |
| 4537 case TOKcast: // cast(type) expression | |
| 4538 { Type *t; | |
| 4539 | |
| 4540 nextToken(); | |
| 4541 check(TOKlparen); | |
| 4542 t = parseBasicType(); | |
| 4543 t = parseDeclarator(t,NULL); // ( type ) | |
| 4544 check(TOKrparen); | |
| 4545 | |
| 4546 e = parseUnaryExp(); | |
| 4547 e = new CastExp(loc, e, t); | |
| 4548 break; | |
| 4549 } | |
| 4550 | |
| 4551 case TOKlparen: | |
| 4552 { Token *tk; | |
| 4553 | |
| 4554 tk = peek(&token); | |
| 4555 #if CCASTSYNTAX | |
| 4556 // If cast | |
| 4557 if (isDeclaration(tk, 0, TOKrparen, &tk)) | |
| 4558 { | |
| 4559 tk = peek(tk); // skip over right parenthesis | |
| 4560 switch (tk->value) | |
| 4561 { | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
4562 case TOKnot: |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
4563 tk = peek(tk); |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
4564 if (tk->value == TOKis) // !is |
|
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
4565 break; |
| 336 | 4566 case TOKdot: |
| 4567 case TOKplusplus: | |
| 4568 case TOKminusminus: | |
| 4569 case TOKdelete: | |
| 4570 case TOKnew: | |
| 4571 case TOKlparen: | |
| 4572 case TOKidentifier: | |
| 4573 case TOKthis: | |
| 4574 case TOKsuper: | |
| 4575 case TOKint32v: | |
| 4576 case TOKuns32v: | |
| 4577 case TOKint64v: | |
| 4578 case TOKuns64v: | |
| 4579 case TOKfloat32v: | |
| 4580 case TOKfloat64v: | |
| 4581 case TOKfloat80v: | |
| 4582 case TOKimaginary32v: | |
| 4583 case TOKimaginary64v: | |
| 4584 case TOKimaginary80v: | |
| 4585 case TOKnull: | |
| 4586 case TOKtrue: | |
| 4587 case TOKfalse: | |
| 4588 case TOKcharv: | |
| 4589 case TOKwcharv: | |
| 4590 case TOKdcharv: | |
| 4591 case TOKstring: | |
| 4592 #if 0 | |
| 4593 case TOKtilde: | |
| 4594 case TOKand: | |
| 4595 case TOKmul: | |
| 4596 case TOKmin: | |
| 4597 case TOKadd: | |
| 4598 #endif | |
| 4599 case TOKfunction: | |
| 4600 case TOKdelegate: | |
| 4601 case TOKtypeof: | |
| 4602 #if DMDV2 | |
| 4603 case TOKfile: | |
| 4604 case TOKline: | |
| 4605 #endif | |
| 4606 CASE_BASIC_TYPES: // (type)int.size | |
| 4607 { // (type) una_exp | |
| 4608 Type *t; | |
| 4609 | |
| 4610 nextToken(); | |
| 4611 t = parseBasicType(); | |
| 4612 t = parseDeclarator(t,NULL); | |
| 4613 check(TOKrparen); | |
| 4614 | |
| 4615 // if .identifier | |
| 4616 if (token.value == TOKdot) | |
| 4617 { | |
| 4618 nextToken(); | |
| 4619 if (token.value != TOKidentifier) | |
| 4620 { error("Identifier expected following (type)."); | |
| 4621 return NULL; | |
| 4622 } | |
| 4623 e = new TypeDotIdExp(loc, t, token.ident); | |
| 4624 nextToken(); | |
| 4625 e = parsePostExp(e); | |
| 4626 } | |
| 4627 else | |
| 4628 { | |
| 4629 e = parseUnaryExp(); | |
| 4630 e = new CastExp(loc, e, t); | |
| 4631 error("C style cast illegal, use %s", e->toChars()); | |
| 4632 } | |
| 4633 return e; | |
| 4634 } | |
| 4635 } | |
| 4636 } | |
| 4637 #endif | |
| 4638 e = parsePrimaryExp(); | |
| 4639 break; | |
| 4640 } | |
| 4641 default: | |
| 4642 e = parsePrimaryExp(); | |
| 4643 break; | |
| 4644 } | |
| 4645 assert(e); | |
| 4646 return e; | |
| 4647 } | |
| 4648 | |
| 4649 Expression *Parser::parseMulExp() | |
| 4650 { Expression *e; | |
| 4651 Expression *e2; | |
| 4652 Loc loc = this->loc; | |
| 4653 | |
| 4654 e = parseUnaryExp(); | |
| 4655 while (1) | |
| 4656 { | |
| 4657 switch (token.value) | |
| 4658 { | |
| 4659 case TOKmul: nextToken(); e2 = parseUnaryExp(); e = new MulExp(loc,e,e2); continue; | |
| 4660 case TOKdiv: nextToken(); e2 = parseUnaryExp(); e = new DivExp(loc,e,e2); continue; | |
| 4661 case TOKmod: nextToken(); e2 = parseUnaryExp(); e = new ModExp(loc,e,e2); continue; | |
| 4662 | |
| 4663 default: | |
| 4664 break; | |
| 4665 } | |
| 4666 break; | |
| 4667 } | |
| 4668 return e; | |
| 4669 } | |
| 4670 | |
| 4671 Expression *Parser::parseAddExp() | |
| 4672 { Expression *e; | |
| 4673 Expression *e2; | |
| 4674 Loc loc = this->loc; | |
| 4675 | |
| 4676 e = parseMulExp(); | |
| 4677 while (1) | |
| 4678 { | |
| 4679 switch (token.value) | |
| 4680 { | |
| 4681 case TOKadd: nextToken(); e2 = parseMulExp(); e = new AddExp(loc,e,e2); continue; | |
| 4682 case TOKmin: nextToken(); e2 = parseMulExp(); e = new MinExp(loc,e,e2); continue; | |
| 4683 case TOKtilde: nextToken(); e2 = parseMulExp(); e = new CatExp(loc,e,e2); continue; | |
| 4684 | |
| 4685 default: | |
| 4686 break; | |
| 4687 } | |
| 4688 break; | |
| 4689 } | |
| 4690 return e; | |
| 4691 } | |
| 4692 | |
| 4693 Expression *Parser::parseShiftExp() | |
| 4694 { Expression *e; | |
| 4695 Expression *e2; | |
| 4696 Loc loc = this->loc; | |
| 4697 | |
| 4698 e = parseAddExp(); | |
| 4699 while (1) | |
| 4700 { | |
| 4701 switch (token.value) | |
| 4702 { | |
| 4703 case TOKshl: nextToken(); e2 = parseAddExp(); e = new ShlExp(loc,e,e2); continue; | |
| 4704 case TOKshr: nextToken(); e2 = parseAddExp(); e = new ShrExp(loc,e,e2); continue; | |
| 4705 case TOKushr: nextToken(); e2 = parseAddExp(); e = new UshrExp(loc,e,e2); continue; | |
| 4706 | |
| 4707 default: | |
| 4708 break; | |
| 4709 } | |
| 4710 break; | |
| 4711 } | |
| 4712 return e; | |
| 4713 } | |
| 4714 | |
| 4715 Expression *Parser::parseRelExp() | |
| 4716 { Expression *e; | |
| 4717 Expression *e2; | |
| 4718 enum TOK op; | |
| 4719 Loc loc = this->loc; | |
| 4720 | |
| 4721 e = parseShiftExp(); | |
| 4722 while (1) | |
| 4723 { | |
| 4724 switch (token.value) | |
| 4725 { | |
| 4726 case TOKlt: | |
| 4727 case TOKle: | |
| 4728 case TOKgt: | |
| 4729 case TOKge: | |
| 4730 case TOKunord: | |
| 4731 case TOKlg: | |
| 4732 case TOKleg: | |
| 4733 case TOKule: | |
| 4734 case TOKul: | |
| 4735 case TOKuge: | |
| 4736 case TOKug: | |
| 4737 case TOKue: | |
| 4738 op = token.value; | |
| 4739 nextToken(); | |
| 4740 e2 = parseShiftExp(); | |
| 4741 e = new CmpExp(op, loc, e, e2); | |
| 4742 continue; | |
| 4743 | |
| 4744 case TOKin: | |
| 4745 nextToken(); | |
| 4746 e2 = parseShiftExp(); | |
| 4747 e = new InExp(loc, e, e2); | |
| 4748 continue; | |
| 4749 | |
| 4750 default: | |
| 4751 break; | |
| 4752 } | |
| 4753 break; | |
| 4754 } | |
| 4755 return e; | |
| 4756 } | |
| 4757 | |
| 4758 Expression *Parser::parseEqualExp() | |
| 4759 { Expression *e; | |
| 4760 Expression *e2; | |
| 4761 Token *t; | |
| 4762 Loc loc = this->loc; | |
| 4763 | |
| 4764 e = parseRelExp(); | |
| 4765 while (1) | |
| 4766 { enum TOK value = token.value; | |
| 4767 | |
| 4768 switch (value) | |
| 4769 { | |
| 4770 case TOKequal: | |
| 4771 case TOKnotequal: | |
| 4772 nextToken(); | |
| 4773 e2 = parseRelExp(); | |
| 4774 e = new EqualExp(value, loc, e, e2); | |
| 4775 continue; | |
| 4776 | |
| 4777 case TOKidentity: | |
| 4778 error("'===' is no longer legal, use 'is' instead"); | |
| 4779 goto L1; | |
| 4780 | |
| 4781 case TOKnotidentity: | |
| 4782 error("'!==' is no longer legal, use '!is' instead"); | |
| 4783 goto L1; | |
| 4784 | |
| 4785 case TOKis: | |
| 4786 value = TOKidentity; | |
| 4787 goto L1; | |
| 4788 | |
| 4789 case TOKnot: | |
| 4790 // Attempt to identify '!is' | |
| 4791 t = peek(&token); | |
| 4792 if (t->value != TOKis) | |
| 4793 break; | |
| 4794 nextToken(); | |
| 4795 value = TOKnotidentity; | |
| 4796 goto L1; | |
| 4797 | |
| 4798 L1: | |
| 4799 nextToken(); | |
| 4800 e2 = parseRelExp(); | |
| 4801 e = new IdentityExp(value, loc, e, e2); | |
| 4802 continue; | |
| 4803 | |
| 4804 default: | |
| 4805 break; | |
| 4806 } | |
| 4807 break; | |
| 4808 } | |
| 4809 return e; | |
| 4810 } | |
| 4811 | |
| 4812 Expression *Parser::parseCmpExp() | |
| 4813 { Expression *e; | |
| 4814 Expression *e2; | |
| 4815 Token *t; | |
| 4816 Loc loc = this->loc; | |
| 4817 | |
| 4818 e = parseShiftExp(); | |
| 4819 enum TOK op = token.value; | |
| 4820 | |
| 4821 switch (op) | |
| 4822 { | |
| 4823 case TOKequal: | |
| 4824 case TOKnotequal: | |
| 4825 nextToken(); | |
| 4826 e2 = parseShiftExp(); | |
| 4827 e = new EqualExp(op, loc, e, e2); | |
| 4828 break; | |
| 4829 | |
| 4830 case TOKis: | |
| 4831 op = TOKidentity; | |
| 4832 goto L1; | |
| 4833 | |
| 4834 case TOKnot: | |
| 4835 // Attempt to identify '!is' | |
| 4836 t = peek(&token); | |
| 4837 if (t->value != TOKis) | |
| 4838 break; | |
| 4839 nextToken(); | |
| 4840 op = TOKnotidentity; | |
| 4841 goto L1; | |
| 4842 | |
| 4843 L1: | |
| 4844 nextToken(); | |
| 4845 e2 = parseShiftExp(); | |
| 4846 e = new IdentityExp(op, loc, e, e2); | |
| 4847 break; | |
| 4848 | |
| 4849 case TOKlt: | |
| 4850 case TOKle: | |
| 4851 case TOKgt: | |
| 4852 case TOKge: | |
| 4853 case TOKunord: | |
| 4854 case TOKlg: | |
| 4855 case TOKleg: | |
| 4856 case TOKule: | |
| 4857 case TOKul: | |
| 4858 case TOKuge: | |
| 4859 case TOKug: | |
| 4860 case TOKue: | |
| 4861 nextToken(); | |
| 4862 e2 = parseShiftExp(); | |
| 4863 e = new CmpExp(op, loc, e, e2); | |
| 4864 break; | |
| 4865 | |
| 4866 case TOKin: | |
| 4867 nextToken(); | |
| 4868 e2 = parseShiftExp(); | |
| 4869 e = new InExp(loc, e, e2); | |
| 4870 break; | |
| 4871 | |
| 4872 default: | |
| 4873 break; | |
| 4874 } | |
| 4875 return e; | |
| 4876 } | |
| 4877 | |
| 4878 Expression *Parser::parseAndExp() | |
| 4879 { Expression *e; | |
| 4880 Expression *e2; | |
| 4881 Loc loc = this->loc; | |
| 4882 | |
| 4883 if (global.params.Dversion == 1) | |
| 4884 { | |
| 4885 e = parseEqualExp(); | |
| 4886 while (token.value == TOKand) | |
| 4887 { | |
| 4888 nextToken(); | |
| 4889 e2 = parseEqualExp(); | |
| 4890 e = new AndExp(loc,e,e2); | |
| 4891 loc = this->loc; | |
| 4892 } | |
| 4893 } | |
| 4894 else | |
| 4895 { | |
| 4896 e = parseCmpExp(); | |
| 4897 while (token.value == TOKand) | |
| 4898 { | |
| 4899 nextToken(); | |
| 4900 e2 = parseCmpExp(); | |
| 4901 e = new AndExp(loc,e,e2); | |
| 4902 loc = this->loc; | |
| 4903 } | |
| 4904 } | |
| 4905 return e; | |
| 4906 } | |
| 4907 | |
| 4908 Expression *Parser::parseXorExp() | |
| 4909 { Expression *e; | |
| 4910 Expression *e2; | |
| 4911 Loc loc = this->loc; | |
| 4912 | |
| 4913 e = parseAndExp(); | |
| 4914 while (token.value == TOKxor) | |
| 4915 { | |
| 4916 nextToken(); | |
| 4917 e2 = parseAndExp(); | |
| 4918 e = new XorExp(loc, e, e2); | |
| 4919 } | |
| 4920 return e; | |
| 4921 } | |
| 4922 | |
| 4923 Expression *Parser::parseOrExp() | |
| 4924 { Expression *e; | |
| 4925 Expression *e2; | |
| 4926 Loc loc = this->loc; | |
| 4927 | |
| 4928 e = parseXorExp(); | |
| 4929 while (token.value == TOKor) | |
| 4930 { | |
| 4931 nextToken(); | |
| 4932 e2 = parseXorExp(); | |
| 4933 e = new OrExp(loc, e, e2); | |
| 4934 } | |
| 4935 return e; | |
| 4936 } | |
| 4937 | |
| 4938 Expression *Parser::parseAndAndExp() | |
| 4939 { Expression *e; | |
| 4940 Expression *e2; | |
| 4941 Loc loc = this->loc; | |
| 4942 | |
| 4943 e = parseOrExp(); | |
| 4944 while (token.value == TOKandand) | |
| 4945 { | |
| 4946 nextToken(); | |
| 4947 e2 = parseOrExp(); | |
| 4948 e = new AndAndExp(loc, e, e2); | |
| 4949 } | |
| 4950 return e; | |
| 4951 } | |
| 4952 | |
| 4953 Expression *Parser::parseOrOrExp() | |
| 4954 { Expression *e; | |
| 4955 Expression *e2; | |
| 4956 Loc loc = this->loc; | |
| 4957 | |
| 4958 e = parseAndAndExp(); | |
| 4959 while (token.value == TOKoror) | |
| 4960 { | |
| 4961 nextToken(); | |
| 4962 e2 = parseAndAndExp(); | |
| 4963 e = new OrOrExp(loc, e, e2); | |
| 4964 } | |
| 4965 return e; | |
| 4966 } | |
| 4967 | |
| 4968 Expression *Parser::parseCondExp() | |
| 4969 { Expression *e; | |
| 4970 Expression *e1; | |
| 4971 Expression *e2; | |
| 4972 Loc loc = this->loc; | |
| 4973 | |
| 4974 e = parseOrOrExp(); | |
| 4975 if (token.value == TOKquestion) | |
| 4976 { | |
| 4977 nextToken(); | |
| 4978 e1 = parseExpression(); | |
| 4979 check(TOKcolon); | |
| 4980 e2 = parseCondExp(); | |
| 4981 e = new CondExp(loc, e, e1, e2); | |
| 4982 } | |
| 4983 return e; | |
| 4984 } | |
| 4985 | |
| 4986 Expression *Parser::parseAssignExp() | |
| 4987 { Expression *e; | |
| 4988 Expression *e2; | |
| 4989 Loc loc; | |
| 4990 | |
| 4991 e = parseCondExp(); | |
| 4992 while (1) | |
| 4993 { | |
| 4994 loc = this->loc; | |
| 4995 switch (token.value) | |
| 4996 { | |
| 4997 #define X(tok,ector) \ | |
| 4998 case tok: nextToken(); e2 = parseAssignExp(); e = new ector(loc,e,e2); continue; | |
| 4999 | |
| 5000 X(TOKassign, AssignExp); | |
| 5001 X(TOKaddass, AddAssignExp); | |
| 5002 X(TOKminass, MinAssignExp); | |
| 5003 X(TOKmulass, MulAssignExp); | |
| 5004 X(TOKdivass, DivAssignExp); | |
| 5005 X(TOKmodass, ModAssignExp); | |
| 5006 X(TOKandass, AndAssignExp); | |
| 5007 X(TOKorass, OrAssignExp); | |
| 5008 X(TOKxorass, XorAssignExp); | |
| 5009 X(TOKshlass, ShlAssignExp); | |
| 5010 X(TOKshrass, ShrAssignExp); | |
| 5011 X(TOKushrass, UshrAssignExp); | |
| 5012 X(TOKcatass, CatAssignExp); | |
| 5013 | |
| 5014 #undef X | |
| 5015 default: | |
| 5016 break; | |
| 5017 } | |
| 5018 break; | |
| 5019 } | |
| 5020 return e; | |
| 5021 } | |
| 5022 | |
| 5023 Expression *Parser::parseExpression() | |
| 5024 { Expression *e; | |
| 5025 Expression *e2; | |
| 5026 Loc loc = this->loc; | |
| 5027 | |
| 5028 //printf("Parser::parseExpression() loc = %d\n", loc.linnum); | |
| 5029 e = parseAssignExp(); | |
| 5030 while (token.value == TOKcomma) | |
| 5031 { | |
| 5032 nextToken(); | |
| 5033 e2 = parseAssignExp(); | |
| 5034 e = new CommaExp(loc, e, e2); | |
| 5035 loc = this->loc; | |
| 5036 } | |
| 5037 return e; | |
| 5038 } | |
| 5039 | |
| 5040 | |
| 5041 /************************* | |
| 5042 * Collect argument list. | |
| 5043 * Assume current token is '(' or '['. | |
| 5044 */ | |
| 5045 | |
| 5046 Expressions *Parser::parseArguments() | |
| 5047 { // function call | |
| 5048 Expressions *arguments; | |
| 5049 Expression *arg; | |
| 5050 enum TOK endtok; | |
| 5051 | |
| 5052 arguments = new Expressions(); | |
| 5053 if (token.value == TOKlbracket) | |
| 5054 endtok = TOKrbracket; | |
| 5055 else | |
| 5056 endtok = TOKrparen; | |
| 5057 | |
| 5058 { | |
| 5059 nextToken(); | |
| 5060 if (token.value != endtok) | |
| 5061 { | |
| 5062 while (1) | |
| 5063 { | |
| 5064 arg = parseAssignExp(); | |
| 5065 arguments->push(arg); | |
| 5066 if (token.value == endtok) | |
| 5067 break; | |
| 5068 check(TOKcomma); | |
| 5069 } | |
| 5070 } | |
| 5071 check(endtok); | |
| 5072 } | |
| 5073 return arguments; | |
| 5074 } | |
| 5075 | |
| 5076 /******************************************* | |
| 5077 */ | |
| 5078 | |
| 5079 Expression *Parser::parseNewExp(Expression *thisexp) | |
| 5080 { Type *t; | |
| 5081 Expressions *newargs; | |
| 5082 Expressions *arguments = NULL; | |
| 5083 Expression *e; | |
| 5084 Loc loc = this->loc; | |
| 5085 | |
| 5086 nextToken(); | |
| 5087 newargs = NULL; | |
| 5088 if (token.value == TOKlparen) | |
| 5089 { | |
| 5090 newargs = parseArguments(); | |
| 5091 } | |
| 5092 | |
| 5093 // An anonymous nested class starts with "class" | |
| 5094 if (token.value == TOKclass) | |
| 5095 { | |
| 5096 nextToken(); | |
| 5097 if (token.value == TOKlparen) | |
| 5098 arguments = parseArguments(); | |
| 5099 | |
| 5100 BaseClasses *baseclasses = NULL; | |
| 5101 if (token.value != TOKlcurly) | |
| 5102 baseclasses = parseBaseClasses(); | |
| 5103 | |
| 5104 Identifier *id = NULL; | |
| 5105 ClassDeclaration *cd = new ClassDeclaration(loc, id, baseclasses); | |
| 5106 | |
| 5107 if (token.value != TOKlcurly) | |
| 5108 { error("{ members } expected for anonymous class"); | |
| 5109 cd->members = NULL; | |
| 5110 } | |
| 5111 else | |
| 5112 { | |
| 5113 nextToken(); | |
| 5114 Array *decl = parseDeclDefs(0); | |
| 5115 if (token.value != TOKrcurly) | |
| 5116 error("class member expected"); | |
| 5117 nextToken(); | |
| 5118 cd->members = decl; | |
| 5119 } | |
| 5120 | |
| 5121 e = new NewAnonClassExp(loc, thisexp, newargs, cd, arguments); | |
| 5122 | |
| 5123 return e; | |
| 5124 } | |
| 5125 | |
| 5126 #if LTORARRAYDECL | |
| 5127 t = parseBasicType(); | |
| 5128 t = parseBasicType2(t); | |
| 5129 if (t->ty == Taarray) | |
| 5130 { | |
| 5131 Type *index = ((TypeAArray *)t)->index; | |
| 5132 | |
| 5133 Expression *e = index->toExpression(); | |
| 5134 if (e) | |
| 5135 { arguments = new Expressions(); | |
| 5136 arguments->push(e); | |
| 5137 t = new TypeDArray(t->next); | |
| 5138 } | |
| 5139 else | |
| 5140 { | |
| 5141 error("need size of rightmost array, not type %s", index->toChars()); | |
| 5142 return new NullExp(loc); | |
| 5143 } | |
| 5144 } | |
| 5145 else if (t->ty == Tsarray) | |
| 5146 { | |
| 5147 TypeSArray *tsa = (TypeSArray *)t; | |
| 5148 Expression *e = tsa->dim; | |
| 5149 | |
| 5150 arguments = new Expressions(); | |
| 5151 arguments->push(e); | |
| 5152 t = new TypeDArray(t->next); | |
| 5153 } | |
| 5154 else if (token.value == TOKlparen) | |
| 5155 { | |
| 5156 arguments = parseArguments(); | |
| 5157 } | |
| 5158 #else | |
| 5159 t = parseBasicType(); | |
| 5160 while (token.value == TOKmul) | |
| 5161 { t = new TypePointer(t); | |
| 5162 nextToken(); | |
| 5163 } | |
| 5164 if (token.value == TOKlbracket) | |
| 5165 { | |
| 5166 Expression *e; | |
| 5167 | |
| 5168 nextToken(); | |
| 5169 e = parseAssignExp(); | |
| 5170 arguments = new Array(); | |
| 5171 arguments->push(e); | |
| 5172 check(TOKrbracket); | |
| 5173 t = parseDeclarator(t, NULL); | |
| 5174 t = new TypeDArray(t); | |
| 5175 } | |
| 5176 else if (token.value == TOKlparen) | |
| 5177 arguments = parseArguments(); | |
| 5178 #endif | |
| 5179 e = new NewExp(loc, thisexp, newargs, t, arguments); | |
| 5180 return e; | |
| 5181 } | |
| 5182 | |
| 5183 /********************************************** | |
| 5184 */ | |
| 5185 | |
| 5186 void Parser::addComment(Dsymbol *s, unsigned char *blockComment) | |
| 5187 { | |
| 5188 s->addComment(combineComments(blockComment, token.lineComment)); | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
5189 token.lineComment = NULL; |
| 336 | 5190 } |
| 5191 | |
| 5192 | |
| 5193 /********************************* ***************************/ | |
| 5194 |