Mercurial > projects > ldc
annotate dmd/module.c @ 139:0ab29b838084 trunk
[svn r143] Fixed: a few bugs in debug information, still only line info, but should be correct files now :)
Fixed: tango.io.Console seems to be working now.
| author | lindquist |
|---|---|
| date | Tue, 22 Jan 2008 00:01:16 +0100 |
| parents | a7dfa0ed966c |
| children | ccd07d9f2ce9 |
| rev | line source |
|---|---|
| 1 | 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 #ifdef _MSC_VER | |
| 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; | |
| 130 | 90 sictor = NULL; |
| 1 | 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 cov = NULL; | |
| 110 covb = NULL; | |
| 111 | |
| 112 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 113 if (!srcfilename->equalsExt(global.mars_ext)) | |
| 114 { | |
| 115 if (srcfilename->equalsExt("html") || | |
| 116 srcfilename->equalsExt("htm") || | |
| 117 srcfilename->equalsExt("xhtml")) | |
| 118 isHtml = 1; | |
| 119 else | |
| 120 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 121 fatal(); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 char *argobj; | |
| 126 if (global.params.objname) | |
| 127 argobj = global.params.objname; | |
| 128 else if (global.params.preservePaths) | |
| 129 argobj = filename; | |
| 130 else | |
| 131 argobj = FileName::name(filename); | |
| 132 if (!FileName::absolute(argobj)) | |
| 133 { | |
| 134 argobj = FileName::combine(global.params.objdir, argobj); | |
| 135 } | |
| 136 | |
| 137 if (global.params.objname) | |
| 138 objfilename = new FileName(argobj, 0); | |
| 139 else | |
| 140 objfilename = FileName::forceExt(argobj, global.obj_ext); | |
| 141 | |
| 142 llfilename = FileName::forceExt(argobj, global.ll_ext); | |
| 143 bcfilename = FileName::forceExt(argobj, global.bc_ext); | |
| 144 | |
| 145 symfilename = FileName::forceExt(filename, global.sym_ext); | |
| 146 | |
| 147 srcfile = new File(srcfilename); | |
| 148 | |
| 149 if (doDocComment) | |
| 150 { | |
| 151 setDocfile(); | |
| 152 } | |
| 153 | |
| 154 if (doHdrGen) | |
| 155 { | |
| 156 setHdrfile(); | |
| 157 } | |
| 158 | |
| 159 objfile = new File(objfilename); | |
| 160 bcfile = new File(bcfilename); | |
| 52 | 161 llfile = new File(llfilename); |
| 1 | 162 symfile = new File(symfilename); |
|
94
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
52
diff
changeset
|
163 |
|
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
52
diff
changeset
|
164 // LLVMDC |
|
139
0ab29b838084
[svn r143] Fixed: a few bugs in debug information, still only line info, but should be correct files now :)
lindquist
parents:
130
diff
changeset
|
165 irModule = NULL; |
| 1 | 166 } |
| 167 | |
| 168 void Module::setDocfile() | |
| 169 { | |
| 170 FileName *docfilename; | |
| 171 char *argdoc; | |
| 172 | |
| 173 if (global.params.docname) | |
| 174 argdoc = global.params.docname; | |
| 175 else if (global.params.preservePaths) | |
| 176 argdoc = (char *)arg; | |
| 177 else | |
| 178 argdoc = FileName::name((char *)arg); | |
| 179 if (!FileName::absolute(argdoc)) | |
| 180 { //FileName::ensurePathExists(global.params.docdir); | |
| 181 argdoc = FileName::combine(global.params.docdir, argdoc); | |
| 182 } | |
| 183 if (global.params.docname) | |
| 184 docfilename = new FileName(argdoc, 0); | |
| 185 else | |
| 186 docfilename = FileName::forceExt(argdoc, global.doc_ext); | |
| 187 | |
| 188 if (docfilename->equals(srcfile->name)) | |
| 189 { error("Source file and documentation file have same name '%s'", srcfile->name->str); | |
| 190 fatal(); | |
| 191 } | |
| 192 | |
| 193 docfile = new File(docfilename); | |
| 194 } | |
| 195 | |
| 196 void Module::setHdrfile() | |
| 197 { | |
| 198 FileName *hdrfilename; | |
| 199 char *arghdr; | |
| 200 | |
| 201 if (global.params.hdrname) | |
| 202 arghdr = global.params.hdrname; | |
| 203 else if (global.params.preservePaths) | |
| 204 arghdr = (char *)arg; | |
| 205 else | |
| 206 arghdr = FileName::name((char *)arg); | |
| 207 if (!FileName::absolute(arghdr)) | |
| 208 { //FileName::ensurePathExists(global.params.hdrdir); | |
| 209 arghdr = FileName::combine(global.params.hdrdir, arghdr); | |
| 210 } | |
| 211 if (global.params.hdrname) | |
| 212 hdrfilename = new FileName(arghdr, 0); | |
| 213 else | |
| 214 hdrfilename = FileName::forceExt(arghdr, global.hdr_ext); | |
| 215 | |
| 216 if (hdrfilename->equals(srcfile->name)) | |
| 217 { error("Source file and 'header' file have same name '%s'", srcfile->name->str); | |
| 218 fatal(); | |
| 219 } | |
| 220 | |
| 221 hdrfile = new File(hdrfilename); | |
| 222 } | |
| 223 | |
| 224 void Module::deleteObjFile() | |
| 225 { | |
| 226 if (global.params.obj) | |
| 227 objfile->remove(); | |
| 228 //if (global.params.llvmBC) | |
| 229 bcfile->remove(); | |
| 230 if (docfile) | |
| 231 docfile->remove(); | |
| 232 } | |
| 233 | |
| 234 Module::~Module() | |
| 235 { | |
| 236 } | |
| 237 | |
| 238 char *Module::kind() | |
| 239 { | |
| 240 return "module"; | |
| 241 } | |
| 242 | |
| 243 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 244 { Module *m; | |
| 245 char *filename; | |
| 246 | |
| 247 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 248 | |
| 249 // Build module filename by turning: | |
| 250 // foo.bar.baz | |
| 251 // into: | |
| 252 // foo\bar\baz | |
| 253 filename = ident->toChars(); | |
| 254 if (packages && packages->dim) | |
| 255 { | |
| 256 OutBuffer buf; | |
| 257 int i; | |
| 258 | |
| 259 for (i = 0; i < packages->dim; i++) | |
| 260 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 261 | |
| 262 buf.writestring(pid->toChars()); | |
| 263 #if _WIN32 | |
| 264 buf.writeByte('\\'); | |
| 265 #else | |
| 266 buf.writeByte('/'); | |
| 267 #endif | |
| 268 } | |
| 269 buf.writestring(filename); | |
| 270 buf.writeByte(0); | |
| 271 filename = (char *)buf.extractData(); | |
| 272 } | |
| 273 | |
| 274 m = new Module(filename, ident, 0, 0); | |
| 275 m->loc = loc; | |
| 276 | |
| 277 /* Search along global.path for .di file, then .d file. | |
| 278 */ | |
| 279 char *result = NULL; | |
| 280 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 281 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 282 char *sdi = fdi->toChars(); | |
| 283 char *sd = fd->toChars(); | |
| 284 | |
| 285 if (FileName::exists(sdi)) | |
| 286 result = sdi; | |
| 287 else if (FileName::exists(sd)) | |
| 288 result = sd; | |
| 289 else if (FileName::absolute(filename)) | |
| 290 ; | |
| 291 else if (!global.path) | |
| 292 ; | |
| 293 else | |
| 294 { | |
| 295 for (size_t i = 0; i < global.path->dim; i++) | |
| 296 { | |
| 297 char *p = (char *)global.path->data[i]; | |
| 298 char *n = FileName::combine(p, sdi); | |
| 299 if (FileName::exists(n)) | |
| 300 { result = n; | |
| 301 break; | |
| 302 } | |
| 303 mem.free(n); | |
| 304 n = FileName::combine(p, sd); | |
| 305 if (FileName::exists(n)) | |
| 306 { result = n; | |
| 307 break; | |
| 308 } | |
| 309 mem.free(n); | |
| 310 } | |
| 311 } | |
| 312 if (result) | |
| 313 m->srcfile = new File(result); | |
| 314 | |
| 315 if (global.params.verbose) | |
| 316 { | |
| 317 printf("import "); | |
| 318 if (packages) | |
| 319 { | |
| 320 for (size_t i = 0; i < packages->dim; i++) | |
| 321 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 322 printf("%s.", pid->toChars()); | |
| 323 } | |
| 324 } | |
| 325 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 326 } | |
| 327 | |
| 328 m->read(loc); | |
| 329 m->parse(); | |
| 330 | |
| 331 #ifdef IN_GCC | |
| 332 d_gcc_magic_module(m); | |
| 333 #endif | |
| 334 | |
| 335 return m; | |
| 336 } | |
| 337 | |
| 338 void Module::read(Loc loc) | |
| 339 { | |
| 340 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 341 if (srcfile->read()) | |
| 342 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 343 fatal(); | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 inline unsigned readwordLE(unsigned short *p) | |
| 348 { | |
| 349 #if __I86__ | |
| 350 return *p; | |
| 351 #else | |
| 352 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 353 #endif | |
| 354 } | |
| 355 | |
| 356 inline unsigned readwordBE(unsigned short *p) | |
| 357 { | |
| 358 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 359 } | |
| 360 | |
| 361 inline unsigned readlongLE(unsigned *p) | |
| 362 { | |
| 363 #if __I86__ | |
| 364 return *p; | |
| 365 #else | |
| 366 return ((unsigned char *)p)[0] | | |
| 367 (((unsigned char *)p)[1] << 8) | | |
| 368 (((unsigned char *)p)[2] << 16) | | |
| 369 (((unsigned char *)p)[3] << 24); | |
| 370 #endif | |
| 371 } | |
| 372 | |
| 373 inline unsigned readlongBE(unsigned *p) | |
| 374 { | |
| 375 return ((unsigned char *)p)[3] | | |
| 376 (((unsigned char *)p)[2] << 8) | | |
| 377 (((unsigned char *)p)[1] << 16) | | |
| 378 (((unsigned char *)p)[0] << 24); | |
| 379 } | |
| 380 | |
| 381 #if IN_GCC | |
| 382 void Module::parse(bool dump_source) | |
| 383 #else | |
| 384 void Module::parse() | |
| 385 #endif | |
| 386 { char *srcname; | |
| 387 unsigned char *buf; | |
| 388 unsigned buflen; | |
| 389 unsigned le; | |
| 390 unsigned bom; | |
| 391 | |
| 392 //printf("Module::parse()\n"); | |
| 393 | |
| 394 srcname = srcfile->name->toChars(); | |
| 395 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 396 | |
| 397 buf = srcfile->buffer; | |
| 398 buflen = srcfile->len; | |
| 399 | |
| 400 if (buflen >= 2) | |
| 401 { | |
| 402 /* Convert all non-UTF-8 formats to UTF-8. | |
| 403 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 404 * 00 00 FE FF UTF-32BE, big-endian | |
| 405 * FF FE 00 00 UTF-32LE, little-endian | |
| 406 * FE FF UTF-16BE, big-endian | |
| 407 * FF FE UTF-16LE, little-endian | |
| 408 * EF BB BF UTF-8 | |
| 409 */ | |
| 410 | |
| 411 bom = 1; // assume there's a BOM | |
| 412 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 413 { | |
| 414 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 415 { // UTF-32LE | |
| 416 le = 1; | |
| 417 | |
| 418 Lutf32: | |
| 419 OutBuffer dbuf; | |
| 420 unsigned *pu = (unsigned *)(buf); | |
| 421 unsigned *pumax = &pu[buflen / 4]; | |
| 422 | |
| 423 if (buflen & 3) | |
| 424 { error("odd length of UTF-32 char source %u", buflen); | |
| 425 fatal(); | |
| 426 } | |
| 427 | |
| 428 dbuf.reserve(buflen / 4); | |
| 429 for (pu += bom; pu < pumax; pu++) | |
| 430 { unsigned u; | |
| 431 | |
| 432 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 433 if (u & ~0x7F) | |
| 434 { | |
| 435 if (u > 0x10FFFF) | |
| 436 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 437 fatal(); | |
| 438 } | |
| 439 dbuf.writeUTF8(u); | |
| 440 } | |
| 441 else | |
| 442 dbuf.writeByte(u); | |
| 443 } | |
| 444 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 445 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 446 buf = (unsigned char *) dbuf.extractData(); | |
| 447 } | |
| 448 else | |
| 449 { // UTF-16LE (X86) | |
| 450 // Convert it to UTF-8 | |
| 451 le = 1; | |
| 452 | |
| 453 Lutf16: | |
| 454 OutBuffer dbuf; | |
| 455 unsigned short *pu = (unsigned short *)(buf); | |
| 456 unsigned short *pumax = &pu[buflen / 2]; | |
| 457 | |
| 458 if (buflen & 1) | |
| 459 { error("odd length of UTF-16 char source %u", buflen); | |
| 460 fatal(); | |
| 461 } | |
| 462 | |
| 463 dbuf.reserve(buflen / 2); | |
| 464 for (pu += bom; pu < pumax; pu++) | |
| 465 { unsigned u; | |
| 466 | |
| 467 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 468 if (u & ~0x7F) | |
| 469 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 470 { unsigned u2; | |
| 471 | |
| 472 if (++pu > pumax) | |
| 473 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 474 fatal(); | |
| 475 } | |
| 476 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 477 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 478 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 479 fatal(); | |
| 480 } | |
| 481 u = (u - 0xD7C0) << 10; | |
| 482 u |= (u2 - 0xDC00); | |
| 483 } | |
| 484 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 485 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 486 fatal(); | |
| 487 } | |
| 488 else if (u == 0xFFFE || u == 0xFFFF) | |
| 489 { error("illegal UTF-16 value %04x", u); | |
| 490 fatal(); | |
| 491 } | |
| 492 dbuf.writeUTF8(u); | |
| 493 } | |
| 494 else | |
| 495 dbuf.writeByte(u); | |
| 496 } | |
| 497 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 498 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 499 buf = (unsigned char *) dbuf.extractData(); | |
| 500 } | |
| 501 } | |
| 502 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 503 { // UTF-16BE | |
| 504 le = 0; | |
| 505 goto Lutf16; | |
| 506 } | |
| 507 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 508 { // UTF-32BE | |
| 509 le = 0; | |
| 510 goto Lutf32; | |
| 511 } | |
| 512 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 513 { // UTF-8 | |
| 514 | |
| 515 buf += 3; | |
| 516 buflen -= 3; | |
| 517 } | |
| 518 else | |
| 519 { | |
| 520 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 521 * the first char of D source must be ASCII to | |
| 522 * figure out the encoding. | |
| 523 */ | |
| 524 | |
| 525 bom = 0; | |
| 526 if (buflen >= 4) | |
| 527 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 528 { // UTF-32LE | |
| 529 le = 1; | |
| 530 goto Lutf32; | |
| 531 } | |
| 532 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 533 { // UTF-32BE | |
| 534 le = 0; | |
| 535 goto Lutf32; | |
| 536 } | |
| 537 } | |
| 538 if (buflen >= 2) | |
| 539 { | |
| 540 if (buf[1] == 0) | |
| 541 { // UTF-16LE | |
| 542 le = 1; | |
| 543 goto Lutf16; | |
| 544 } | |
| 545 else if (buf[0] == 0) | |
| 546 { // UTF-16BE | |
| 547 le = 0; | |
| 548 goto Lutf16; | |
| 549 } | |
| 550 } | |
| 551 | |
| 552 // It's UTF-8 | |
| 553 if (buf[0] >= 0x80) | |
| 554 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 555 fatal(); | |
| 556 } | |
| 557 } | |
| 558 } | |
| 559 | |
| 560 #ifdef IN_GCC | |
| 561 // dump utf-8 encoded source | |
| 562 if (dump_source) | |
| 563 { // %% srcname could contain a path ... | |
| 564 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 565 } | |
| 566 #endif | |
| 567 | |
| 568 /* If it starts with the string "Ddoc", then it's a documentation | |
| 569 * source file. | |
| 570 */ | |
| 571 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 572 { | |
| 573 comment = buf + 4; | |
| 574 isDocFile = 1; | |
| 575 if (!docfile) | |
| 576 setDocfile(); | |
| 577 return; | |
| 578 } | |
| 579 if (isHtml) | |
| 580 { | |
| 581 OutBuffer *dbuf = new OutBuffer(); | |
| 582 Html h(srcname, buf, buflen); | |
| 583 h.extractCode(dbuf); | |
| 584 buf = dbuf->data; | |
| 585 buflen = dbuf->offset; | |
| 586 #ifdef IN_GCC | |
| 587 // dump extracted source | |
| 588 if (dump_source) | |
| 589 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 590 #endif | |
| 591 } | |
| 592 Parser p(this, buf, buflen, docfile != NULL); | |
| 593 p.nextToken(); | |
| 594 members = p.parseModule(); | |
| 595 md = p.md; | |
| 596 numlines = p.loc.linnum; | |
| 597 | |
| 598 DsymbolTable *dst; | |
| 599 | |
| 600 if (md) | |
| 601 { this->ident = md->id; | |
| 602 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 603 } | |
| 604 else | |
| 605 { | |
| 606 dst = modules; | |
| 607 | |
| 608 /* Check to see if module name is a valid identifier | |
| 609 */ | |
| 610 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 611 error("has non-identifier characters in filename, use module declaration instead"); | |
| 612 } | |
| 613 | |
| 614 // Update global list of modules | |
| 615 if (!dst->insert(this)) | |
| 616 { | |
| 617 if (md) | |
| 618 error(loc, "is in multiple packages %s", md->toChars()); | |
| 619 else | |
| 620 error(loc, "is in multiple defined"); | |
| 621 } | |
| 622 else | |
| 623 { | |
| 624 amodules.push(this); | |
| 625 } | |
| 626 } | |
| 627 | |
| 628 void Module::semantic() | |
| 629 { int i; | |
| 630 | |
| 631 if (semanticstarted) | |
| 632 return; | |
| 633 | |
| 634 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 635 semanticstarted = 1; | |
| 636 | |
| 637 // Note that modules get their own scope, from scratch. | |
| 638 // This is so regardless of where in the syntax a module | |
| 639 // gets imported, it is unaffected by context. | |
| 640 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 641 | |
| 642 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 643 | |
| 644 // Add import of "object" if this module isn't "object" | |
| 645 if (ident != Id::object) | |
| 646 { | |
| 647 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 648 members->shift(im); | |
| 649 } | |
| 650 | |
| 651 // Add all symbols into module's symbol table | |
| 652 symtab = new DsymbolTable(); | |
| 653 for (i = 0; i < members->dim; i++) | |
| 654 { Dsymbol *s; | |
| 655 | |
| 656 s = (Dsymbol *)members->data[i]; | |
| 657 s->addMember(NULL, sc->scopesym, 1); | |
| 658 } | |
| 659 | |
| 660 // Pass 1 semantic routines: do public side of the definition | |
| 661 for (i = 0; i < members->dim; i++) | |
| 662 { Dsymbol *s; | |
| 663 | |
| 664 s = (Dsymbol *)members->data[i]; | |
| 665 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 666 s->semantic(sc); | |
| 667 runDeferredSemantic(); | |
| 668 } | |
| 669 | |
| 670 sc = sc->pop(); | |
| 671 sc->pop(); | |
| 672 semanticdone = semanticstarted; | |
| 673 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 674 } | |
| 675 | |
| 676 void Module::semantic2() | |
| 677 { int i; | |
| 678 | |
| 679 if (deferred.dim) | |
| 680 { | |
| 681 for (int i = 0; i < deferred.dim; i++) | |
| 682 { | |
| 683 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 684 | |
| 685 sd->error("unable to resolve forward reference in definition"); | |
| 686 } | |
| 687 return; | |
| 688 } | |
| 689 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 690 if (semanticstarted >= 2) | |
| 691 return; | |
| 692 assert(semanticstarted == 1); | |
| 693 semanticstarted = 2; | |
| 694 | |
| 695 // Note that modules get their own scope, from scratch. | |
| 696 // This is so regardless of where in the syntax a module | |
| 697 // gets imported, it is unaffected by context. | |
| 698 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 699 //printf("Module = %p\n", sc.scopesym); | |
| 700 | |
| 701 // Pass 2 semantic routines: do initializers and function bodies | |
| 702 for (i = 0; i < members->dim; i++) | |
| 703 { Dsymbol *s; | |
| 704 | |
| 705 s = (Dsymbol *)members->data[i]; | |
| 706 s->semantic2(sc); | |
| 707 } | |
| 708 | |
| 709 sc = sc->pop(); | |
| 710 sc->pop(); | |
| 711 semanticdone = semanticstarted; | |
| 712 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 713 } | |
| 714 | |
| 715 void Module::semantic3() | |
| 716 { int i; | |
| 717 | |
| 718 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 719 if (semanticstarted >= 3) | |
| 720 return; | |
| 721 assert(semanticstarted == 2); | |
| 722 semanticstarted = 3; | |
| 723 | |
| 724 // Note that modules get their own scope, from scratch. | |
| 725 // This is so regardless of where in the syntax a module | |
| 726 // gets imported, it is unaffected by context. | |
| 727 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 728 //printf("Module = %p\n", sc.scopesym); | |
| 729 | |
| 730 // Pass 3 semantic routines: do initializers and function bodies | |
| 731 for (i = 0; i < members->dim; i++) | |
| 732 { Dsymbol *s; | |
| 733 | |
| 734 s = (Dsymbol *)members->data[i]; | |
| 735 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 736 s->semantic3(sc); | |
| 737 } | |
| 738 | |
| 739 sc = sc->pop(); | |
| 740 sc->pop(); | |
| 741 semanticdone = semanticstarted; | |
| 742 } | |
| 743 | |
| 744 void Module::inlineScan() | |
| 745 { int i; | |
| 746 | |
| 747 if (semanticstarted >= 4) | |
| 748 return; | |
| 749 assert(semanticstarted == 3); | |
| 750 semanticstarted = 4; | |
| 751 | |
| 752 // Note that modules get their own scope, from scratch. | |
| 753 // This is so regardless of where in the syntax a module | |
| 754 // gets imported, it is unaffected by context. | |
| 755 //printf("Module = %p\n", sc.scopesym); | |
| 756 | |
| 757 for (i = 0; i < members->dim; i++) | |
| 758 { Dsymbol *s; | |
| 759 | |
| 760 s = (Dsymbol *)members->data[i]; | |
| 761 //if (global.params.verbose) | |
| 762 //printf("inline scan symbol %s\n", s->toChars()); | |
| 763 | |
| 764 s->inlineScan(); | |
| 765 } | |
| 766 semanticdone = semanticstarted; | |
| 767 } | |
| 768 | |
| 769 /**************************************************** | |
| 770 */ | |
| 771 | |
| 772 void Module::gensymfile() | |
| 773 { | |
| 774 OutBuffer buf; | |
| 775 HdrGenState hgs; | |
| 776 int i; | |
| 777 | |
| 778 //printf("Module::gensymfile()\n"); | |
| 779 | |
| 780 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 781 buf.writenl(); | |
| 782 | |
| 783 for (i = 0; i < members->dim; i++) | |
| 784 { | |
| 785 Dsymbol *s; | |
| 786 | |
| 787 s = (Dsymbol *)members->data[i]; | |
| 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 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 } |