Mercurial > projects > ldc
annotate dmd/module.c @ 510:6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
| author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
|---|---|
| date | Thu, 14 Aug 2008 06:55:41 +0200 |
| parents | a34078905d01 |
| children | cbe08531430f |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2007 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 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <assert.h> | |
| 14 | |
| 15 #if _MSC_VER || __MINGW32__ | |
| 16 #include <malloc.h> | |
| 17 #endif | |
| 18 | |
| 19 #if IN_GCC | |
| 20 #include "gdc_alloca.h" | |
| 21 #endif | |
| 22 | |
| 23 #include "mem.h" | |
| 24 | |
| 25 #include "mars.h" | |
| 26 #include "module.h" | |
| 27 #include "parse.h" | |
| 28 #include "scope.h" | |
| 29 #include "identifier.h" | |
| 30 #include "id.h" | |
| 31 #include "import.h" | |
| 32 #include "dsymbol.h" | |
| 33 #include "hdrgen.h" | |
| 34 #include "lexer.h" | |
| 35 | |
| 36 #define MARS 1 | |
| 37 #include "html.h" | |
| 38 | |
| 39 #ifdef IN_GCC | |
| 40 #include "d-dmd-gcc.h" | |
| 41 #endif | |
| 42 | |
| 43 ClassDeclaration *Module::moduleinfo; | |
| 44 | |
| 45 Module *Module::rootModule; | |
| 46 DsymbolTable *Module::modules; | |
| 47 Array Module::amodules; | |
| 48 | |
| 49 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
| 50 unsigned Module::dprogress; | |
| 51 | |
| 52 void Module::init() | |
| 53 { | |
| 54 modules = new DsymbolTable(); | |
| 55 } | |
| 56 | |
| 57 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
| 58 : Package(ident) | |
| 59 { | |
| 60 FileName *srcfilename; | |
| 61 FileName *cfilename; | |
| 62 FileName *hfilename; | |
| 63 FileName *objfilename; | |
| 64 FileName *llfilename; | |
| 65 FileName *bcfilename; | |
| 66 FileName *symfilename; | |
| 67 | |
| 68 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
| 69 this->arg = filename; | |
| 70 md = NULL; | |
| 71 errors = 0; | |
| 72 numlines = 0; | |
| 73 members = NULL; | |
| 74 isHtml = 0; | |
| 75 isDocFile = 0; | |
| 76 needmoduleinfo = 0; | |
| 77 #ifdef IN_GCC | |
| 78 strictlyneedmoduleinfo = 0; | |
| 79 #endif | |
| 80 insearch = 0; | |
| 81 searchCacheIdent = NULL; | |
| 82 searchCacheSymbol = NULL; | |
| 83 searchCacheFlags = 0; | |
| 84 semanticstarted = 0; | |
| 85 semanticdone = 0; | |
| 86 decldefs = NULL; | |
| 87 vmoduleinfo = NULL; | |
| 88 massert = NULL; | |
| 89 marray = NULL; | |
| 90 sictor = NULL; | |
| 91 sctor = NULL; | |
| 92 sdtor = NULL; | |
| 93 stest = NULL; | |
| 94 sfilename = NULL; | |
| 95 root = 0; | |
| 96 importedFrom = NULL; | |
| 97 srcfile = NULL; | |
| 98 docfile = NULL; | |
| 99 | |
| 100 debuglevel = 0; | |
| 101 debugids = NULL; | |
| 102 debugidsNot = NULL; | |
| 103 versionlevel = 0; | |
| 104 versionids = NULL; | |
| 105 versionidsNot = NULL; | |
| 106 | |
| 107 macrotable = NULL; | |
| 108 escapetable = NULL; | |
| 109 doppelganger = 0; | |
| 110 cov = NULL; | |
| 111 covb = NULL; | |
| 112 | |
| 113 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 114 if (!srcfilename->equalsExt(global.mars_ext) && | |
|
510
6aee82889553
Merged DMD 1.034, array operations are not yet implemented ;)
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
486
diff
changeset
|
115 !srcfilename->equalsExt(global.hdr_ext) && |
| 336 | 116 !srcfilename->equalsExt("dd")) |
| 117 { | |
| 118 if (srcfilename->equalsExt("html") || | |
| 119 srcfilename->equalsExt("htm") || | |
| 120 srcfilename->equalsExt("xhtml")) | |
| 121 isHtml = 1; | |
| 122 else | |
| 123 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 124 fatal(); | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 char *argobj; | |
| 129 if (global.params.objname) | |
| 130 argobj = global.params.objname; | |
| 131 else if (global.params.preservePaths) | |
| 132 argobj = filename; | |
| 133 else | |
| 134 argobj = FileName::name(filename); | |
| 135 if (!FileName::absolute(argobj)) | |
| 136 { | |
| 137 argobj = FileName::combine(global.params.objdir, argobj); | |
| 138 } | |
| 139 | |
| 140 if (global.params.objname) | |
| 141 objfilename = new FileName(argobj, 0); | |
| 142 else | |
| 143 objfilename = FileName::forceExt(argobj, global.obj_ext); | |
| 144 | |
| 145 llfilename = FileName::forceExt(argobj, global.ll_ext); | |
| 146 bcfilename = FileName::forceExt(argobj, global.bc_ext); | |
| 147 | |
| 148 symfilename = FileName::forceExt(filename, global.sym_ext); | |
| 149 | |
| 150 srcfile = new File(srcfilename); | |
| 151 | |
| 152 if (doDocComment) | |
| 153 { | |
| 154 setDocfile(); | |
| 155 } | |
| 156 | |
| 157 if (doHdrGen) | |
| 158 { | |
| 159 setHdrfile(); | |
| 160 } | |
| 161 | |
| 162 objfile = new File(objfilename); | |
| 163 bcfile = new File(bcfilename); | |
| 164 llfile = new File(llfilename); | |
| 165 symfile = new File(symfilename); | |
|
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
166 |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
167 // LLVMDC |
|
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
336
diff
changeset
|
168 llvmForceLogging = false; |
| 336 | 169 } |
| 170 | |
| 171 void Module::setDocfile() | |
| 172 { | |
| 173 FileName *docfilename; | |
| 174 char *argdoc; | |
| 175 | |
| 176 if (global.params.docname) | |
| 177 argdoc = global.params.docname; | |
| 178 else if (global.params.preservePaths) | |
| 179 argdoc = (char *)arg; | |
| 180 else | |
| 181 argdoc = FileName::name((char *)arg); | |
| 182 if (!FileName::absolute(argdoc)) | |
| 183 { //FileName::ensurePathExists(global.params.docdir); | |
| 184 argdoc = FileName::combine(global.params.docdir, argdoc); | |
| 185 } | |
| 186 if (global.params.docname) | |
| 187 docfilename = new FileName(argdoc, 0); | |
| 188 else | |
| 189 docfilename = FileName::forceExt(argdoc, global.doc_ext); | |
| 190 | |
| 191 if (docfilename->equals(srcfile->name)) | |
| 192 { error("Source file and documentation file have same name '%s'", srcfile->name->str); | |
| 193 fatal(); | |
| 194 } | |
| 195 | |
| 196 docfile = new File(docfilename); | |
| 197 } | |
| 198 | |
| 199 void Module::setHdrfile() | |
| 200 { | |
| 201 FileName *hdrfilename; | |
| 202 char *arghdr; | |
| 203 | |
| 204 if (global.params.hdrname) | |
| 205 arghdr = global.params.hdrname; | |
| 206 else if (global.params.preservePaths) | |
| 207 arghdr = (char *)arg; | |
| 208 else | |
| 209 arghdr = FileName::name((char *)arg); | |
| 210 if (!FileName::absolute(arghdr)) | |
| 211 { //FileName::ensurePathExists(global.params.hdrdir); | |
| 212 arghdr = FileName::combine(global.params.hdrdir, arghdr); | |
| 213 } | |
| 214 if (global.params.hdrname) | |
| 215 hdrfilename = new FileName(arghdr, 0); | |
| 216 else | |
| 217 hdrfilename = FileName::forceExt(arghdr, global.hdr_ext); | |
| 218 | |
| 219 if (hdrfilename->equals(srcfile->name)) | |
| 220 { error("Source file and 'header' file have same name '%s'", srcfile->name->str); | |
| 221 fatal(); | |
| 222 } | |
| 223 | |
| 224 hdrfile = new File(hdrfilename); | |
| 225 } | |
| 226 | |
| 227 void Module::deleteObjFile() | |
| 228 { | |
| 229 if (global.params.obj) | |
| 230 objfile->remove(); | |
| 231 //if (global.params.llvmBC) | |
| 232 bcfile->remove(); | |
| 233 if (docfile) | |
| 234 docfile->remove(); | |
| 235 } | |
| 236 | |
| 237 Module::~Module() | |
| 238 { | |
| 239 } | |
| 240 | |
| 241 const char *Module::kind() | |
| 242 { | |
| 243 return "module"; | |
| 244 } | |
| 245 | |
| 246 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 247 { Module *m; | |
| 248 char *filename; | |
| 249 | |
| 250 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 251 | |
| 252 // Build module filename by turning: | |
| 253 // foo.bar.baz | |
| 254 // into: | |
| 255 // foo\bar\baz | |
| 256 filename = ident->toChars(); | |
| 257 if (packages && packages->dim) | |
| 258 { | |
| 259 OutBuffer buf; | |
| 260 int i; | |
| 261 | |
| 262 for (i = 0; i < packages->dim; i++) | |
| 263 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 264 | |
| 265 buf.writestring(pid->toChars()); | |
| 266 #if _WIN32 | |
| 267 buf.writeByte('\\'); | |
| 268 #else | |
| 269 buf.writeByte('/'); | |
| 270 #endif | |
| 271 } | |
| 272 buf.writestring(filename); | |
| 273 buf.writeByte(0); | |
| 274 filename = (char *)buf.extractData(); | |
| 275 } | |
| 276 | |
| 277 m = new Module(filename, ident, 0, 0); | |
| 278 m->loc = loc; | |
| 279 | |
| 280 /* Search along global.path for .di file, then .d file. | |
| 281 */ | |
| 282 char *result = NULL; | |
| 283 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 284 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 285 char *sdi = fdi->toChars(); | |
| 286 char *sd = fd->toChars(); | |
| 287 | |
| 288 if (FileName::exists(sdi)) | |
| 289 result = sdi; | |
| 290 else if (FileName::exists(sd)) | |
| 291 result = sd; | |
| 292 else if (FileName::absolute(filename)) | |
| 293 ; | |
| 294 else if (!global.path) | |
| 295 ; | |
| 296 else | |
| 297 { | |
| 298 for (size_t i = 0; i < global.path->dim; i++) | |
| 299 { | |
| 300 char *p = (char *)global.path->data[i]; | |
| 301 char *n = FileName::combine(p, sdi); | |
| 302 if (FileName::exists(n)) | |
| 303 { result = n; | |
| 304 break; | |
| 305 } | |
| 306 mem.free(n); | |
| 307 n = FileName::combine(p, sd); | |
| 308 if (FileName::exists(n)) | |
| 309 { result = n; | |
| 310 break; | |
| 311 } | |
| 312 mem.free(n); | |
| 313 } | |
| 314 } | |
| 315 if (result) | |
| 316 m->srcfile = new File(result); | |
| 317 | |
| 318 if (global.params.verbose) | |
| 319 { | |
| 320 printf("import "); | |
| 321 if (packages) | |
| 322 { | |
| 323 for (size_t i = 0; i < packages->dim; i++) | |
| 324 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 325 printf("%s.", pid->toChars()); | |
| 326 } | |
| 327 } | |
| 328 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 329 } | |
| 330 | |
| 331 m->read(loc); | |
| 332 m->parse(); | |
| 333 | |
| 334 #ifdef IN_GCC | |
| 335 d_gcc_magic_module(m); | |
| 336 #endif | |
| 337 | |
| 338 return m; | |
| 339 } | |
| 340 | |
| 341 void Module::read(Loc loc) | |
| 342 { | |
| 343 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 344 if (srcfile->read()) | |
| 345 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 346 fatal(); | |
| 347 } | |
| 348 } | |
| 349 | |
| 350 inline unsigned readwordLE(unsigned short *p) | |
| 351 { | |
| 352 #if __I86__ | |
| 353 return *p; | |
| 354 #else | |
| 355 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 356 #endif | |
| 357 } | |
| 358 | |
| 359 inline unsigned readwordBE(unsigned short *p) | |
| 360 { | |
| 361 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 362 } | |
| 363 | |
| 364 inline unsigned readlongLE(unsigned *p) | |
| 365 { | |
| 366 #if __I86__ | |
| 367 return *p; | |
| 368 #else | |
| 369 return ((unsigned char *)p)[0] | | |
| 370 (((unsigned char *)p)[1] << 8) | | |
| 371 (((unsigned char *)p)[2] << 16) | | |
| 372 (((unsigned char *)p)[3] << 24); | |
| 373 #endif | |
| 374 } | |
| 375 | |
| 376 inline unsigned readlongBE(unsigned *p) | |
| 377 { | |
| 378 return ((unsigned char *)p)[3] | | |
| 379 (((unsigned char *)p)[2] << 8) | | |
| 380 (((unsigned char *)p)[1] << 16) | | |
| 381 (((unsigned char *)p)[0] << 24); | |
| 382 } | |
| 383 | |
| 384 #if IN_GCC | |
| 385 void Module::parse(bool dump_source) | |
| 386 #else | |
| 387 void Module::parse() | |
| 388 #endif | |
| 389 { char *srcname; | |
| 390 unsigned char *buf; | |
| 391 unsigned buflen; | |
| 392 unsigned le; | |
| 393 unsigned bom; | |
| 394 | |
| 395 //printf("Module::parse()\n"); | |
| 396 | |
| 397 srcname = srcfile->name->toChars(); | |
| 398 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 399 | |
| 400 buf = srcfile->buffer; | |
| 401 buflen = srcfile->len; | |
| 402 | |
| 403 if (buflen >= 2) | |
| 404 { | |
| 405 /* Convert all non-UTF-8 formats to UTF-8. | |
| 406 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 407 * 00 00 FE FF UTF-32BE, big-endian | |
| 408 * FF FE 00 00 UTF-32LE, little-endian | |
| 409 * FE FF UTF-16BE, big-endian | |
| 410 * FF FE UTF-16LE, little-endian | |
| 411 * EF BB BF UTF-8 | |
| 412 */ | |
| 413 | |
| 414 bom = 1; // assume there's a BOM | |
| 415 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 416 { | |
| 417 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 418 { // UTF-32LE | |
| 419 le = 1; | |
| 420 | |
| 421 Lutf32: | |
| 422 OutBuffer dbuf; | |
| 423 unsigned *pu = (unsigned *)(buf); | |
| 424 unsigned *pumax = &pu[buflen / 4]; | |
| 425 | |
| 426 if (buflen & 3) | |
| 427 { error("odd length of UTF-32 char source %u", buflen); | |
| 428 fatal(); | |
| 429 } | |
| 430 | |
| 431 dbuf.reserve(buflen / 4); | |
| 432 for (pu += bom; pu < pumax; pu++) | |
| 433 { unsigned u; | |
| 434 | |
| 435 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 436 if (u & ~0x7F) | |
| 437 { | |
| 438 if (u > 0x10FFFF) | |
| 439 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 440 fatal(); | |
| 441 } | |
| 442 dbuf.writeUTF8(u); | |
| 443 } | |
| 444 else | |
| 445 dbuf.writeByte(u); | |
| 446 } | |
| 447 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 448 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 449 buf = (unsigned char *) dbuf.extractData(); | |
| 450 } | |
| 451 else | |
| 452 { // UTF-16LE (X86) | |
| 453 // Convert it to UTF-8 | |
| 454 le = 1; | |
| 455 | |
| 456 Lutf16: | |
| 457 OutBuffer dbuf; | |
| 458 unsigned short *pu = (unsigned short *)(buf); | |
| 459 unsigned short *pumax = &pu[buflen / 2]; | |
| 460 | |
| 461 if (buflen & 1) | |
| 462 { error("odd length of UTF-16 char source %u", buflen); | |
| 463 fatal(); | |
| 464 } | |
| 465 | |
| 466 dbuf.reserve(buflen / 2); | |
| 467 for (pu += bom; pu < pumax; pu++) | |
| 468 { unsigned u; | |
| 469 | |
| 470 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 471 if (u & ~0x7F) | |
| 472 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 473 { unsigned u2; | |
| 474 | |
| 475 if (++pu > pumax) | |
| 476 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 477 fatal(); | |
| 478 } | |
| 479 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 480 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 481 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 482 fatal(); | |
| 483 } | |
| 484 u = (u - 0xD7C0) << 10; | |
| 485 u |= (u2 - 0xDC00); | |
| 486 } | |
| 487 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 488 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 489 fatal(); | |
| 490 } | |
| 491 else if (u == 0xFFFE || u == 0xFFFF) | |
| 492 { error("illegal UTF-16 value %04x", u); | |
| 493 fatal(); | |
| 494 } | |
| 495 dbuf.writeUTF8(u); | |
| 496 } | |
| 497 else | |
| 498 dbuf.writeByte(u); | |
| 499 } | |
| 500 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 501 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 502 buf = (unsigned char *) dbuf.extractData(); | |
| 503 } | |
| 504 } | |
| 505 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 506 { // UTF-16BE | |
| 507 le = 0; | |
| 508 goto Lutf16; | |
| 509 } | |
| 510 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 511 { // UTF-32BE | |
| 512 le = 0; | |
| 513 goto Lutf32; | |
| 514 } | |
| 515 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 516 { // UTF-8 | |
| 517 | |
| 518 buf += 3; | |
| 519 buflen -= 3; | |
| 520 } | |
| 521 else | |
| 522 { | |
| 523 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 524 * the first char of D source must be ASCII to | |
| 525 * figure out the encoding. | |
| 526 */ | |
| 527 | |
| 528 bom = 0; | |
| 529 if (buflen >= 4) | |
| 530 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 531 { // UTF-32LE | |
| 532 le = 1; | |
| 533 goto Lutf32; | |
| 534 } | |
| 535 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 536 { // UTF-32BE | |
| 537 le = 0; | |
| 538 goto Lutf32; | |
| 539 } | |
| 540 } | |
| 541 if (buflen >= 2) | |
| 542 { | |
| 543 if (buf[1] == 0) | |
| 544 { // UTF-16LE | |
| 545 le = 1; | |
| 546 goto Lutf16; | |
| 547 } | |
| 548 else if (buf[0] == 0) | |
| 549 { // UTF-16BE | |
| 550 le = 0; | |
| 551 goto Lutf16; | |
| 552 } | |
| 553 } | |
| 554 | |
| 555 // It's UTF-8 | |
| 556 if (buf[0] >= 0x80) | |
| 557 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 558 fatal(); | |
| 559 } | |
| 560 } | |
| 561 } | |
| 562 | |
| 563 #ifdef IN_GCC | |
| 564 // dump utf-8 encoded source | |
| 565 if (dump_source) | |
| 566 { // %% srcname could contain a path ... | |
| 567 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 568 } | |
| 569 #endif | |
| 570 | |
| 571 /* If it starts with the string "Ddoc", then it's a documentation | |
| 572 * source file. | |
| 573 */ | |
| 574 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 575 { | |
| 576 comment = buf + 4; | |
| 577 isDocFile = 1; | |
| 578 if (!docfile) | |
| 579 setDocfile(); | |
| 580 return; | |
| 581 } | |
| 582 if (isHtml) | |
| 583 { | |
| 584 OutBuffer *dbuf = new OutBuffer(); | |
| 585 Html h(srcname, buf, buflen); | |
| 586 h.extractCode(dbuf); | |
| 587 buf = dbuf->data; | |
| 588 buflen = dbuf->offset; | |
| 589 #ifdef IN_GCC | |
| 590 // dump extracted source | |
| 591 if (dump_source) | |
| 592 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 593 #endif | |
| 594 } | |
| 595 Parser p(this, buf, buflen, docfile != NULL); | |
| 596 p.nextToken(); | |
| 597 members = p.parseModule(); | |
| 598 md = p.md; | |
| 599 numlines = p.loc.linnum; | |
| 600 | |
| 601 DsymbolTable *dst; | |
| 602 | |
| 603 if (md) | |
| 604 { this->ident = md->id; | |
| 605 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 606 } | |
| 607 else | |
| 608 { | |
| 609 dst = modules; | |
| 610 | |
| 611 /* Check to see if module name is a valid identifier | |
| 612 */ | |
| 613 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 614 error("has non-identifier characters in filename, use module declaration instead"); | |
| 615 } | |
| 616 | |
| 617 // Update global list of modules | |
| 618 if (!dst->insert(this)) | |
| 619 { | |
| 620 if (md) | |
| 621 error(loc, "is in multiple packages %s", md->toChars()); | |
| 622 else | |
| 623 error(loc, "is in multiple defined"); | |
| 624 } | |
| 625 else | |
| 626 { | |
| 627 amodules.push(this); | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 void Module::semantic() | |
| 632 { int i; | |
| 633 | |
| 634 if (semanticstarted) | |
| 635 return; | |
| 636 | |
| 637 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 638 semanticstarted = 1; | |
| 639 | |
| 640 // Note that modules get their own scope, from scratch. | |
| 641 // This is so regardless of where in the syntax a module | |
| 642 // gets imported, it is unaffected by context. | |
| 643 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 644 | |
| 645 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 646 | |
| 647 // Add import of "object" if this module isn't "object" | |
| 648 if (ident != Id::object) | |
| 649 { | |
| 650 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 651 members->shift(im); | |
| 652 } | |
| 653 | |
| 654 // Add all symbols into module's symbol table | |
| 655 symtab = new DsymbolTable(); | |
| 656 for (i = 0; i < members->dim; i++) | |
| 657 { Dsymbol *s; | |
| 658 | |
| 659 s = (Dsymbol *)members->data[i]; | |
| 660 s->addMember(NULL, sc->scopesym, 1); | |
| 661 } | |
| 662 | |
| 663 // Pass 1 semantic routines: do public side of the definition | |
| 664 for (i = 0; i < members->dim; i++) | |
| 665 { Dsymbol *s; | |
| 666 | |
| 667 s = (Dsymbol *)members->data[i]; | |
| 668 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 669 s->semantic(sc); | |
| 670 runDeferredSemantic(); | |
| 671 } | |
| 672 | |
| 673 sc = sc->pop(); | |
| 674 sc->pop(); | |
| 675 semanticdone = semanticstarted; | |
| 676 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 677 } | |
| 678 | |
| 679 void Module::semantic2() | |
| 680 { int i; | |
| 681 | |
| 682 if (deferred.dim) | |
| 683 { | |
| 684 for (int i = 0; i < deferred.dim; i++) | |
| 685 { | |
| 686 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 687 | |
| 688 sd->error("unable to resolve forward reference in definition"); | |
| 689 } | |
| 690 return; | |
| 691 } | |
| 692 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 693 if (semanticstarted >= 2) | |
| 694 return; | |
| 695 assert(semanticstarted == 1); | |
| 696 semanticstarted = 2; | |
| 697 | |
| 698 // Note that modules get their own scope, from scratch. | |
| 699 // This is so regardless of where in the syntax a module | |
| 700 // gets imported, it is unaffected by context. | |
| 701 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 702 //printf("Module = %p\n", sc.scopesym); | |
| 703 | |
| 704 // Pass 2 semantic routines: do initializers and function bodies | |
| 705 for (i = 0; i < members->dim; i++) | |
| 706 { Dsymbol *s; | |
| 707 | |
| 708 s = (Dsymbol *)members->data[i]; | |
| 709 s->semantic2(sc); | |
| 710 } | |
| 711 | |
| 712 sc = sc->pop(); | |
| 713 sc->pop(); | |
| 714 semanticdone = semanticstarted; | |
| 715 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 716 } | |
| 717 | |
| 718 void Module::semantic3() | |
| 719 { int i; | |
| 720 | |
| 721 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 722 if (semanticstarted >= 3) | |
| 723 return; | |
| 724 assert(semanticstarted == 2); | |
| 725 semanticstarted = 3; | |
| 726 | |
| 727 // Note that modules get their own scope, from scratch. | |
| 728 // This is so regardless of where in the syntax a module | |
| 729 // gets imported, it is unaffected by context. | |
| 730 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 731 //printf("Module = %p\n", sc.scopesym); | |
| 732 | |
| 733 // Pass 3 semantic routines: do initializers and function bodies | |
| 734 for (i = 0; i < members->dim; i++) | |
| 735 { Dsymbol *s; | |
| 736 | |
| 737 s = (Dsymbol *)members->data[i]; | |
| 738 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 739 s->semantic3(sc); | |
| 740 } | |
| 741 | |
| 742 sc = sc->pop(); | |
| 743 sc->pop(); | |
| 744 semanticdone = semanticstarted; | |
| 745 } | |
| 746 | |
| 747 void Module::inlineScan() | |
| 748 { int i; | |
| 749 | |
| 750 if (semanticstarted >= 4) | |
| 751 return; | |
| 752 assert(semanticstarted == 3); | |
| 753 semanticstarted = 4; | |
| 754 | |
| 755 // Note that modules get their own scope, from scratch. | |
| 756 // This is so regardless of where in the syntax a module | |
| 757 // gets imported, it is unaffected by context. | |
| 758 //printf("Module = %p\n", sc.scopesym); | |
| 759 | |
| 760 for (i = 0; i < members->dim; i++) | |
| 761 { Dsymbol *s; | |
| 762 | |
| 763 s = (Dsymbol *)members->data[i]; | |
| 764 //if (global.params.verbose) | |
| 765 //printf("inline scan symbol %s\n", s->toChars()); | |
| 766 | |
| 767 s->inlineScan(); | |
| 768 } | |
| 769 semanticdone = semanticstarted; | |
| 770 } | |
| 771 | |
| 772 /**************************************************** | |
| 773 */ | |
| 774 | |
| 775 void Module::gensymfile() | |
| 776 { | |
| 777 OutBuffer buf; | |
| 778 HdrGenState hgs; | |
| 779 | |
| 780 //printf("Module::gensymfile()\n"); | |
| 781 | |
| 782 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 783 buf.writenl(); | |
| 784 | |
| 785 for (int i = 0; i < members->dim; i++) | |
| 786 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 787 | |
| 788 s->toCBuffer(&buf, &hgs); | |
| 789 } | |
| 790 | |
| 791 // Transfer image to file | |
| 792 symfile->setbuffer(buf.data, buf.offset); | |
| 793 buf.data = NULL; | |
| 794 | |
| 795 symfile->writev(); | |
| 796 } | |
| 797 | |
| 798 /********************************** | |
| 799 * Determine if we need to generate an instance of ModuleInfo | |
| 800 * for this Module. | |
| 801 */ | |
| 802 | |
| 803 int Module::needModuleInfo() | |
| 804 { | |
| 805 return needmoduleinfo || global.params.cov; | |
| 806 } | |
| 807 | |
| 808 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 809 { | |
| 810 /* Since modules can be circularly referenced, | |
| 811 * need to stop infinite recursive searches. | |
| 812 */ | |
| 813 | |
| 814 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 815 Dsymbol *s; | |
| 816 if (insearch) | |
| 817 s = NULL; | |
| 818 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 819 s = searchCacheSymbol; | |
| 820 else | |
| 821 { | |
| 822 insearch = 1; | |
| 823 s = ScopeDsymbol::search(loc, ident, flags); | |
| 824 insearch = 0; | |
| 825 | |
| 826 searchCacheIdent = ident; | |
| 827 searchCacheSymbol = s; | |
| 828 searchCacheFlags = flags; | |
| 829 } | |
| 830 return s; | |
| 831 } | |
| 832 | |
| 833 /******************************************* | |
| 834 * Can't run semantic on s now, try again later. | |
| 835 */ | |
| 836 | |
| 837 void Module::addDeferredSemantic(Dsymbol *s) | |
| 838 { | |
| 839 // Don't add it if it is already there | |
| 840 for (int i = 0; i < deferred.dim; i++) | |
| 841 { | |
| 842 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 843 | |
| 844 if (sd == s) | |
| 845 return; | |
| 846 } | |
| 847 | |
| 848 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 849 deferred.push(s); | |
| 850 } | |
| 851 | |
| 852 | |
| 853 /****************************************** | |
| 854 * Run semantic() on deferred symbols. | |
| 855 */ | |
| 856 | |
| 857 void Module::runDeferredSemantic() | |
| 858 { | |
| 859 size_t len; | |
| 860 | |
| 861 static int nested; | |
| 862 if (nested) | |
| 863 return; | |
| 864 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 865 nested++; | |
| 866 | |
| 867 do | |
| 868 { | |
| 869 dprogress = 0; | |
| 870 len = deferred.dim; | |
| 871 if (!len) | |
| 872 break; | |
| 873 | |
| 874 Dsymbol **todo; | |
| 875 Dsymbol *tmp; | |
| 876 if (len == 1) | |
| 877 { | |
| 878 todo = &tmp; | |
| 879 } | |
| 880 else | |
| 881 { | |
| 882 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 883 assert(todo); | |
| 884 } | |
| 885 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 886 deferred.setDim(0); | |
| 887 | |
| 888 for (int i = 0; i < len; i++) | |
| 889 { | |
| 890 Dsymbol *s = todo[i]; | |
| 891 | |
| 892 s->semantic(NULL); | |
| 893 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 894 } | |
| 895 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 896 } while (deferred.dim < len || dprogress); // while making progress | |
| 897 nested--; | |
| 898 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 899 } | |
| 900 | |
| 901 /* =========================== ModuleDeclaration ===================== */ | |
| 902 | |
| 903 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 904 { | |
| 905 this->packages = packages; | |
| 906 this->id = id; | |
| 907 } | |
| 908 | |
| 909 char *ModuleDeclaration::toChars() | |
| 910 { | |
| 911 OutBuffer buf; | |
| 912 int i; | |
| 913 | |
| 914 if (packages && packages->dim) | |
| 915 { | |
| 916 for (i = 0; i < packages->dim; i++) | |
| 917 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 918 | |
| 919 buf.writestring(pid->toChars()); | |
| 920 buf.writeByte('.'); | |
| 921 } | |
| 922 } | |
| 923 buf.writestring(id->toChars()); | |
| 924 buf.writeByte(0); | |
| 925 return (char *)buf.extractData(); | |
| 926 } | |
| 927 | |
| 928 /* =========================== Package ===================== */ | |
| 929 | |
| 930 Package::Package(Identifier *ident) | |
| 931 : ScopeDsymbol(ident) | |
| 932 { | |
| 933 } | |
| 934 | |
| 935 | |
| 936 const char *Package::kind() | |
| 937 { | |
| 938 return "package"; | |
| 939 } | |
| 940 | |
| 941 | |
| 942 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 943 { | |
| 944 DsymbolTable *dst = Module::modules; | |
| 945 Dsymbol *parent = NULL; | |
| 946 | |
| 947 //printf("Package::resolve()\n"); | |
| 948 if (ppkg) | |
| 949 *ppkg = NULL; | |
| 950 | |
| 951 if (packages) | |
| 952 { int i; | |
| 953 | |
| 954 for (i = 0; i < packages->dim; i++) | |
| 955 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 956 Dsymbol *p; | |
| 957 | |
| 958 p = dst->lookup(pid); | |
| 959 if (!p) | |
| 960 { | |
| 961 p = new Package(pid); | |
| 962 dst->insert(p); | |
| 963 p->parent = parent; | |
| 964 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 965 } | |
| 966 else | |
| 967 { | |
| 968 assert(p->isPackage()); | |
| 969 if (p->isModule()) | |
| 970 { p->error("module and package have the same name"); | |
| 971 fatal(); | |
| 972 break; | |
| 973 } | |
| 974 } | |
| 975 parent = p; | |
| 976 dst = ((Package *)p)->symtab; | |
| 977 if (ppkg && !*ppkg) | |
| 978 *ppkg = (Package *)p; | |
| 979 } | |
| 980 if (pparent) | |
| 981 { | |
| 982 *pparent = parent; | |
| 983 } | |
| 984 } | |
| 985 return dst; | |
| 986 } |