Mercurial > projects > ldc
annotate dmd/module.c @ 595:bbfb66c623e7
Fix output files being .d.bc. They're now .bc again.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Sun, 14 Sep 2008 19:51:38 +0200 |
| parents | 7824c21a58e3 |
| children | 8cc0c46064b1 |
| 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 | |
| 62 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
| 63 this->arg = filename; | |
| 64 md = NULL; | |
| 65 errors = 0; | |
| 66 numlines = 0; | |
| 67 members = NULL; | |
| 68 isHtml = 0; | |
| 69 isDocFile = 0; | |
| 70 needmoduleinfo = 0; | |
| 71 #ifdef IN_GCC | |
| 72 strictlyneedmoduleinfo = 0; | |
| 73 #endif | |
| 74 insearch = 0; | |
| 75 searchCacheIdent = NULL; | |
| 76 searchCacheSymbol = NULL; | |
| 77 searchCacheFlags = 0; | |
| 78 semanticstarted = 0; | |
| 79 semanticdone = 0; | |
| 80 decldefs = NULL; | |
| 81 vmoduleinfo = NULL; | |
| 82 massert = NULL; | |
| 83 marray = NULL; | |
| 84 sictor = NULL; | |
| 85 sctor = NULL; | |
| 86 sdtor = NULL; | |
| 87 stest = NULL; | |
| 88 sfilename = NULL; | |
| 89 root = 0; | |
| 90 importedFrom = NULL; | |
| 91 srcfile = NULL; | |
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92 objfile = NULL; |
| 336 | 93 docfile = NULL; |
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94 hdrfile = NULL; |
| 336 | 95 |
| 96 debuglevel = 0; | |
| 97 debugids = NULL; | |
| 98 debugidsNot = NULL; | |
| 99 versionlevel = 0; | |
| 100 versionids = NULL; | |
| 101 versionidsNot = NULL; | |
| 102 | |
| 103 macrotable = NULL; | |
| 104 escapetable = NULL; | |
| 105 doppelganger = 0; | |
| 106 cov = NULL; | |
| 107 covb = NULL; | |
| 108 | |
| 109 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 110 if (!srcfilename->equalsExt(global.mars_ext) && | |
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Merged DMD 1.034, array operations are not yet implemented ;)
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111 !srcfilename->equalsExt(global.hdr_ext) && |
| 336 | 112 !srcfilename->equalsExt("dd")) |
| 113 { | |
| 114 if (srcfilename->equalsExt("html") || | |
| 115 srcfilename->equalsExt("htm") || | |
| 116 srcfilename->equalsExt("xhtml")) | |
| 117 isHtml = 1; | |
| 118 else | |
| 119 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 120 fatal(); | |
| 121 } | |
| 122 } | |
| 123 srcfile = new File(srcfilename); | |
| 124 | |
|
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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125 // LLVMDC |
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126 llvmForceLogging = false; |
| 336 | 127 } |
| 128 | |
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129 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
| 336 | 130 { |
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131 char *argobj; |
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132 if (forcename) |
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133 argobj = forcename; |
| 336 | 134 else |
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135 { |
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136 if (global.params.preservePaths) |
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137 argobj = (char*)this->arg; |
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138 else |
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139 argobj = FileName::name((char*)this->arg); |
| 336 | 140 |
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141 if (global.params.fqnNames) |
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142 if(md) |
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143 argobj = FileName::replaceName(argobj, md->toChars()); |
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144 else |
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145 argobj = FileName::replaceName(argobj, toChars()); |
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146 |
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147 int clen = strlen(argobj); |
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Fix output files being .d.bc. They're now .bc again.
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148 char* tmp = (char *)alloca(clen + 1); |
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149 memcpy(tmp, argobj, clen); |
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150 tmp[clen] = 0; |
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151 argobj = tmp; |
| 336 | 152 } |
| 153 | |
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154 if (!FileName::absolute(argobj)) |
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155 { |
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156 argobj = FileName::combine(path, argobj); |
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157 } |
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158 |
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159 FileName::ensurePathExists(FileName::path(argobj)); |
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160 |
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161 if (global.params.objname) |
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162 return new File(argobj); |
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163 else |
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164 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 165 } |
| 166 | |
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167 void Module::buildTargetFiles() |
| 336 | 168 { |
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169 if(objfile && docfile && hdrfile) |
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170 return; |
| 336 | 171 |
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172 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.bc_ext); |
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173 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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174 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
| 336 | 175 } |
| 176 | |
| 177 void Module::deleteObjFile() | |
| 178 { | |
| 179 if (global.params.obj) | |
| 180 objfile->remove(); | |
| 181 //if (global.params.llvmBC) | |
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182 //bcfile->remove(); |
| 336 | 183 if (docfile) |
| 184 docfile->remove(); | |
| 185 } | |
| 186 | |
| 187 Module::~Module() | |
| 188 { | |
| 189 } | |
| 190 | |
| 191 const char *Module::kind() | |
| 192 { | |
| 193 return "module"; | |
| 194 } | |
| 195 | |
| 196 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 197 { Module *m; | |
| 198 char *filename; | |
| 199 | |
| 200 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 201 | |
| 202 // Build module filename by turning: | |
| 203 // foo.bar.baz | |
| 204 // into: | |
| 205 // foo\bar\baz | |
| 206 filename = ident->toChars(); | |
| 207 if (packages && packages->dim) | |
| 208 { | |
| 209 OutBuffer buf; | |
| 210 int i; | |
| 211 | |
| 212 for (i = 0; i < packages->dim; i++) | |
| 213 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 214 | |
| 215 buf.writestring(pid->toChars()); | |
| 216 #if _WIN32 | |
| 217 buf.writeByte('\\'); | |
| 218 #else | |
| 219 buf.writeByte('/'); | |
| 220 #endif | |
| 221 } | |
| 222 buf.writestring(filename); | |
| 223 buf.writeByte(0); | |
| 224 filename = (char *)buf.extractData(); | |
| 225 } | |
| 226 | |
| 227 m = new Module(filename, ident, 0, 0); | |
| 228 m->loc = loc; | |
| 229 | |
| 230 /* Search along global.path for .di file, then .d file. | |
| 231 */ | |
| 232 char *result = NULL; | |
| 233 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 234 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 235 char *sdi = fdi->toChars(); | |
| 236 char *sd = fd->toChars(); | |
| 237 | |
| 238 if (FileName::exists(sdi)) | |
| 239 result = sdi; | |
| 240 else if (FileName::exists(sd)) | |
| 241 result = sd; | |
| 242 else if (FileName::absolute(filename)) | |
| 243 ; | |
| 244 else if (!global.path) | |
| 245 ; | |
| 246 else | |
| 247 { | |
| 248 for (size_t i = 0; i < global.path->dim; i++) | |
| 249 { | |
| 250 char *p = (char *)global.path->data[i]; | |
| 251 char *n = FileName::combine(p, sdi); | |
| 252 if (FileName::exists(n)) | |
| 253 { result = n; | |
| 254 break; | |
| 255 } | |
| 256 mem.free(n); | |
| 257 n = FileName::combine(p, sd); | |
| 258 if (FileName::exists(n)) | |
| 259 { result = n; | |
| 260 break; | |
| 261 } | |
| 262 mem.free(n); | |
| 263 } | |
| 264 } | |
| 265 if (result) | |
| 266 m->srcfile = new File(result); | |
| 267 | |
| 268 if (global.params.verbose) | |
| 269 { | |
| 270 printf("import "); | |
| 271 if (packages) | |
| 272 { | |
| 273 for (size_t i = 0; i < packages->dim; i++) | |
| 274 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 275 printf("%s.", pid->toChars()); | |
| 276 } | |
| 277 } | |
| 278 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 279 } | |
| 280 | |
| 281 m->read(loc); | |
| 282 m->parse(); | |
| 283 | |
| 284 #ifdef IN_GCC | |
| 285 d_gcc_magic_module(m); | |
| 286 #endif | |
| 287 | |
| 288 return m; | |
| 289 } | |
| 290 | |
| 291 void Module::read(Loc loc) | |
| 292 { | |
| 293 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 294 if (srcfile->read()) | |
| 295 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 296 fatal(); | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 inline unsigned readwordLE(unsigned short *p) | |
| 301 { | |
| 302 #if __I86__ | |
| 303 return *p; | |
| 304 #else | |
| 305 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 306 #endif | |
| 307 } | |
| 308 | |
| 309 inline unsigned readwordBE(unsigned short *p) | |
| 310 { | |
| 311 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 312 } | |
| 313 | |
| 314 inline unsigned readlongLE(unsigned *p) | |
| 315 { | |
| 316 #if __I86__ | |
| 317 return *p; | |
| 318 #else | |
| 319 return ((unsigned char *)p)[0] | | |
| 320 (((unsigned char *)p)[1] << 8) | | |
| 321 (((unsigned char *)p)[2] << 16) | | |
| 322 (((unsigned char *)p)[3] << 24); | |
| 323 #endif | |
| 324 } | |
| 325 | |
| 326 inline unsigned readlongBE(unsigned *p) | |
| 327 { | |
| 328 return ((unsigned char *)p)[3] | | |
| 329 (((unsigned char *)p)[2] << 8) | | |
| 330 (((unsigned char *)p)[1] << 16) | | |
| 331 (((unsigned char *)p)[0] << 24); | |
| 332 } | |
| 333 | |
| 334 #if IN_GCC | |
| 335 void Module::parse(bool dump_source) | |
| 336 #else | |
| 337 void Module::parse() | |
| 338 #endif | |
| 339 { char *srcname; | |
| 340 unsigned char *buf; | |
| 341 unsigned buflen; | |
| 342 unsigned le; | |
| 343 unsigned bom; | |
| 344 | |
| 345 //printf("Module::parse()\n"); | |
| 346 | |
| 347 srcname = srcfile->name->toChars(); | |
| 348 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 349 | |
| 350 buf = srcfile->buffer; | |
| 351 buflen = srcfile->len; | |
| 352 | |
| 353 if (buflen >= 2) | |
| 354 { | |
| 355 /* Convert all non-UTF-8 formats to UTF-8. | |
| 356 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 357 * 00 00 FE FF UTF-32BE, big-endian | |
| 358 * FF FE 00 00 UTF-32LE, little-endian | |
| 359 * FE FF UTF-16BE, big-endian | |
| 360 * FF FE UTF-16LE, little-endian | |
| 361 * EF BB BF UTF-8 | |
| 362 */ | |
| 363 | |
| 364 bom = 1; // assume there's a BOM | |
| 365 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 366 { | |
| 367 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 368 { // UTF-32LE | |
| 369 le = 1; | |
| 370 | |
| 371 Lutf32: | |
| 372 OutBuffer dbuf; | |
| 373 unsigned *pu = (unsigned *)(buf); | |
| 374 unsigned *pumax = &pu[buflen / 4]; | |
| 375 | |
| 376 if (buflen & 3) | |
| 377 { error("odd length of UTF-32 char source %u", buflen); | |
| 378 fatal(); | |
| 379 } | |
| 380 | |
| 381 dbuf.reserve(buflen / 4); | |
| 382 for (pu += bom; pu < pumax; pu++) | |
| 383 { unsigned u; | |
| 384 | |
| 385 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 386 if (u & ~0x7F) | |
| 387 { | |
| 388 if (u > 0x10FFFF) | |
| 389 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 390 fatal(); | |
| 391 } | |
| 392 dbuf.writeUTF8(u); | |
| 393 } | |
| 394 else | |
| 395 dbuf.writeByte(u); | |
| 396 } | |
| 397 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 398 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 399 buf = (unsigned char *) dbuf.extractData(); | |
| 400 } | |
| 401 else | |
| 402 { // UTF-16LE (X86) | |
| 403 // Convert it to UTF-8 | |
| 404 le = 1; | |
| 405 | |
| 406 Lutf16: | |
| 407 OutBuffer dbuf; | |
| 408 unsigned short *pu = (unsigned short *)(buf); | |
| 409 unsigned short *pumax = &pu[buflen / 2]; | |
| 410 | |
| 411 if (buflen & 1) | |
| 412 { error("odd length of UTF-16 char source %u", buflen); | |
| 413 fatal(); | |
| 414 } | |
| 415 | |
| 416 dbuf.reserve(buflen / 2); | |
| 417 for (pu += bom; pu < pumax; pu++) | |
| 418 { unsigned u; | |
| 419 | |
| 420 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 421 if (u & ~0x7F) | |
| 422 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 423 { unsigned u2; | |
| 424 | |
| 425 if (++pu > pumax) | |
| 426 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 427 fatal(); | |
| 428 } | |
| 429 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 430 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 431 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 432 fatal(); | |
| 433 } | |
| 434 u = (u - 0xD7C0) << 10; | |
| 435 u |= (u2 - 0xDC00); | |
| 436 } | |
| 437 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 438 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 439 fatal(); | |
| 440 } | |
| 441 else if (u == 0xFFFE || u == 0xFFFF) | |
| 442 { error("illegal UTF-16 value %04x", u); | |
| 443 fatal(); | |
| 444 } | |
| 445 dbuf.writeUTF8(u); | |
| 446 } | |
| 447 else | |
| 448 dbuf.writeByte(u); | |
| 449 } | |
| 450 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 451 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 452 buf = (unsigned char *) dbuf.extractData(); | |
| 453 } | |
| 454 } | |
| 455 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 456 { // UTF-16BE | |
| 457 le = 0; | |
| 458 goto Lutf16; | |
| 459 } | |
| 460 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 461 { // UTF-32BE | |
| 462 le = 0; | |
| 463 goto Lutf32; | |
| 464 } | |
| 465 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 466 { // UTF-8 | |
| 467 | |
| 468 buf += 3; | |
| 469 buflen -= 3; | |
| 470 } | |
| 471 else | |
| 472 { | |
| 473 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 474 * the first char of D source must be ASCII to | |
| 475 * figure out the encoding. | |
| 476 */ | |
| 477 | |
| 478 bom = 0; | |
| 479 if (buflen >= 4) | |
| 480 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 481 { // UTF-32LE | |
| 482 le = 1; | |
| 483 goto Lutf32; | |
| 484 } | |
| 485 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 486 { // UTF-32BE | |
| 487 le = 0; | |
| 488 goto Lutf32; | |
| 489 } | |
| 490 } | |
| 491 if (buflen >= 2) | |
| 492 { | |
| 493 if (buf[1] == 0) | |
| 494 { // UTF-16LE | |
| 495 le = 1; | |
| 496 goto Lutf16; | |
| 497 } | |
| 498 else if (buf[0] == 0) | |
| 499 { // UTF-16BE | |
| 500 le = 0; | |
| 501 goto Lutf16; | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 // It's UTF-8 | |
| 506 if (buf[0] >= 0x80) | |
| 507 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 508 fatal(); | |
| 509 } | |
| 510 } | |
| 511 } | |
| 512 | |
| 513 #ifdef IN_GCC | |
| 514 // dump utf-8 encoded source | |
| 515 if (dump_source) | |
| 516 { // %% srcname could contain a path ... | |
| 517 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 518 } | |
| 519 #endif | |
| 520 | |
| 521 /* If it starts with the string "Ddoc", then it's a documentation | |
| 522 * source file. | |
| 523 */ | |
| 524 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 525 { | |
| 526 comment = buf + 4; | |
| 527 isDocFile = 1; | |
| 528 return; | |
| 529 } | |
| 530 if (isHtml) | |
| 531 { | |
| 532 OutBuffer *dbuf = new OutBuffer(); | |
| 533 Html h(srcname, buf, buflen); | |
| 534 h.extractCode(dbuf); | |
| 535 buf = dbuf->data; | |
| 536 buflen = dbuf->offset; | |
| 537 #ifdef IN_GCC | |
| 538 // dump extracted source | |
| 539 if (dump_source) | |
| 540 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 541 #endif | |
| 542 } | |
| 543 Parser p(this, buf, buflen, docfile != NULL); | |
| 544 p.nextToken(); | |
| 545 members = p.parseModule(); | |
| 546 md = p.md; | |
| 547 numlines = p.loc.linnum; | |
| 548 | |
| 549 DsymbolTable *dst; | |
| 550 | |
| 551 if (md) | |
| 552 { this->ident = md->id; | |
| 553 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 554 } | |
| 555 else | |
| 556 { | |
| 557 dst = modules; | |
| 558 | |
| 559 /* Check to see if module name is a valid identifier | |
| 560 */ | |
| 561 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 562 error("has non-identifier characters in filename, use module declaration instead"); | |
| 563 } | |
| 564 | |
| 565 // Update global list of modules | |
| 566 if (!dst->insert(this)) | |
| 567 { | |
| 568 if (md) | |
| 569 error(loc, "is in multiple packages %s", md->toChars()); | |
| 570 else | |
| 571 error(loc, "is in multiple defined"); | |
| 572 } | |
| 573 else | |
| 574 { | |
| 575 amodules.push(this); | |
| 576 } | |
| 577 } | |
| 578 | |
| 579 void Module::semantic() | |
| 580 { int i; | |
| 581 | |
| 582 if (semanticstarted) | |
| 583 return; | |
| 584 | |
| 585 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 586 semanticstarted = 1; | |
| 587 | |
| 588 // Note that modules get their own scope, from scratch. | |
| 589 // This is so regardless of where in the syntax a module | |
| 590 // gets imported, it is unaffected by context. | |
| 591 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 592 | |
| 593 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 594 | |
| 595 // Add import of "object" if this module isn't "object" | |
| 596 if (ident != Id::object) | |
| 597 { | |
| 598 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 599 members->shift(im); | |
| 600 } | |
| 601 | |
| 602 // Add all symbols into module's symbol table | |
| 603 symtab = new DsymbolTable(); | |
| 604 for (i = 0; i < members->dim; i++) | |
| 605 { Dsymbol *s; | |
| 606 | |
| 607 s = (Dsymbol *)members->data[i]; | |
| 608 s->addMember(NULL, sc->scopesym, 1); | |
| 609 } | |
| 610 | |
| 611 // Pass 1 semantic routines: do public side of the definition | |
| 612 for (i = 0; i < members->dim; i++) | |
| 613 { Dsymbol *s; | |
| 614 | |
| 615 s = (Dsymbol *)members->data[i]; | |
| 616 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 617 s->semantic(sc); | |
| 618 runDeferredSemantic(); | |
| 619 } | |
| 620 | |
| 621 sc = sc->pop(); | |
| 622 sc->pop(); | |
| 623 semanticdone = semanticstarted; | |
| 624 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 625 } | |
| 626 | |
| 627 void Module::semantic2() | |
| 628 { int i; | |
| 629 | |
| 630 if (deferred.dim) | |
| 631 { | |
| 632 for (int i = 0; i < deferred.dim; i++) | |
| 633 { | |
| 634 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 635 | |
| 636 sd->error("unable to resolve forward reference in definition"); | |
| 637 } | |
| 638 return; | |
| 639 } | |
| 640 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 641 if (semanticstarted >= 2) | |
| 642 return; | |
| 643 assert(semanticstarted == 1); | |
| 644 semanticstarted = 2; | |
| 645 | |
| 646 // Note that modules get their own scope, from scratch. | |
| 647 // This is so regardless of where in the syntax a module | |
| 648 // gets imported, it is unaffected by context. | |
| 649 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 650 //printf("Module = %p\n", sc.scopesym); | |
| 651 | |
| 652 // Pass 2 semantic routines: do initializers and function bodies | |
| 653 for (i = 0; i < members->dim; i++) | |
| 654 { Dsymbol *s; | |
| 655 | |
| 656 s = (Dsymbol *)members->data[i]; | |
| 657 s->semantic2(sc); | |
| 658 } | |
| 659 | |
| 660 sc = sc->pop(); | |
| 661 sc->pop(); | |
| 662 semanticdone = semanticstarted; | |
| 663 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 664 } | |
| 665 | |
| 666 void Module::semantic3() | |
| 667 { int i; | |
| 668 | |
| 669 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 670 if (semanticstarted >= 3) | |
| 671 return; | |
| 672 assert(semanticstarted == 2); | |
| 673 semanticstarted = 3; | |
| 674 | |
| 675 // Note that modules get their own scope, from scratch. | |
| 676 // This is so regardless of where in the syntax a module | |
| 677 // gets imported, it is unaffected by context. | |
| 678 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 679 //printf("Module = %p\n", sc.scopesym); | |
| 680 | |
| 681 // Pass 3 semantic routines: do initializers and function bodies | |
| 682 for (i = 0; i < members->dim; i++) | |
| 683 { Dsymbol *s; | |
| 684 | |
| 685 s = (Dsymbol *)members->data[i]; | |
| 686 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 687 s->semantic3(sc); | |
| 688 } | |
| 689 | |
| 690 sc = sc->pop(); | |
| 691 sc->pop(); | |
| 692 semanticdone = semanticstarted; | |
| 693 } | |
| 694 | |
| 695 void Module::inlineScan() | |
| 696 { int i; | |
| 697 | |
| 698 if (semanticstarted >= 4) | |
| 699 return; | |
| 700 assert(semanticstarted == 3); | |
| 701 semanticstarted = 4; | |
| 702 | |
| 703 // Note that modules get their own scope, from scratch. | |
| 704 // This is so regardless of where in the syntax a module | |
| 705 // gets imported, it is unaffected by context. | |
| 706 //printf("Module = %p\n", sc.scopesym); | |
| 707 | |
| 708 for (i = 0; i < members->dim; i++) | |
| 709 { Dsymbol *s; | |
| 710 | |
| 711 s = (Dsymbol *)members->data[i]; | |
| 712 //if (global.params.verbose) | |
| 713 //printf("inline scan symbol %s\n", s->toChars()); | |
| 714 | |
| 715 s->inlineScan(); | |
| 716 } | |
| 717 semanticdone = semanticstarted; | |
| 718 } | |
| 719 | |
| 720 /**************************************************** | |
| 721 */ | |
| 722 | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
723 // is this used anywhere? |
|
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
724 /* |
| 336 | 725 void Module::gensymfile() |
| 726 { | |
| 727 OutBuffer buf; | |
| 728 HdrGenState hgs; | |
| 729 | |
| 730 //printf("Module::gensymfile()\n"); | |
| 731 | |
| 732 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 733 buf.writenl(); | |
| 734 | |
| 735 for (int i = 0; i < members->dim; i++) | |
| 736 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 737 | |
| 738 s->toCBuffer(&buf, &hgs); | |
| 739 } | |
| 740 | |
| 741 // Transfer image to file | |
| 742 symfile->setbuffer(buf.data, buf.offset); | |
| 743 buf.data = NULL; | |
| 744 | |
| 745 symfile->writev(); | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
746 }*/ |
| 336 | 747 |
| 748 /********************************** | |
| 749 * Determine if we need to generate an instance of ModuleInfo | |
| 750 * for this Module. | |
| 751 */ | |
| 752 | |
| 753 int Module::needModuleInfo() | |
| 754 { | |
|
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
755 return needmoduleinfo; |
| 336 | 756 } |
| 757 | |
| 758 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 759 { | |
| 760 /* Since modules can be circularly referenced, | |
| 761 * need to stop infinite recursive searches. | |
| 762 */ | |
| 763 | |
| 764 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 765 Dsymbol *s; | |
| 766 if (insearch) | |
| 767 s = NULL; | |
| 768 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 769 s = searchCacheSymbol; | |
| 770 else | |
| 771 { | |
| 772 insearch = 1; | |
| 773 s = ScopeDsymbol::search(loc, ident, flags); | |
| 774 insearch = 0; | |
| 775 | |
| 776 searchCacheIdent = ident; | |
| 777 searchCacheSymbol = s; | |
| 778 searchCacheFlags = flags; | |
| 779 } | |
| 780 return s; | |
| 781 } | |
| 782 | |
| 783 /******************************************* | |
| 784 * Can't run semantic on s now, try again later. | |
| 785 */ | |
| 786 | |
| 787 void Module::addDeferredSemantic(Dsymbol *s) | |
| 788 { | |
| 789 // Don't add it if it is already there | |
| 790 for (int i = 0; i < deferred.dim; i++) | |
| 791 { | |
| 792 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 793 | |
| 794 if (sd == s) | |
| 795 return; | |
| 796 } | |
| 797 | |
| 798 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 799 deferred.push(s); | |
| 800 } | |
| 801 | |
| 802 | |
| 803 /****************************************** | |
| 804 * Run semantic() on deferred symbols. | |
| 805 */ | |
| 806 | |
| 807 void Module::runDeferredSemantic() | |
| 808 { | |
| 809 size_t len; | |
| 810 | |
| 811 static int nested; | |
| 812 if (nested) | |
| 813 return; | |
| 814 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 815 nested++; | |
| 816 | |
| 817 do | |
| 818 { | |
| 819 dprogress = 0; | |
| 820 len = deferred.dim; | |
| 821 if (!len) | |
| 822 break; | |
| 823 | |
| 824 Dsymbol **todo; | |
| 825 Dsymbol *tmp; | |
| 826 if (len == 1) | |
| 827 { | |
| 828 todo = &tmp; | |
| 829 } | |
| 830 else | |
| 831 { | |
| 832 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 833 assert(todo); | |
| 834 } | |
| 835 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 836 deferred.setDim(0); | |
| 837 | |
| 838 for (int i = 0; i < len; i++) | |
| 839 { | |
| 840 Dsymbol *s = todo[i]; | |
| 841 | |
| 842 s->semantic(NULL); | |
| 843 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 844 } | |
| 845 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 846 } while (deferred.dim < len || dprogress); // while making progress | |
| 847 nested--; | |
| 848 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 849 } | |
| 850 | |
| 851 /* =========================== ModuleDeclaration ===================== */ | |
| 852 | |
| 853 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 854 { | |
| 855 this->packages = packages; | |
| 856 this->id = id; | |
| 857 } | |
| 858 | |
| 859 char *ModuleDeclaration::toChars() | |
| 860 { | |
| 861 OutBuffer buf; | |
| 862 int i; | |
| 863 | |
| 864 if (packages && packages->dim) | |
| 865 { | |
| 866 for (i = 0; i < packages->dim; i++) | |
| 867 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 868 | |
| 869 buf.writestring(pid->toChars()); | |
| 870 buf.writeByte('.'); | |
| 871 } | |
| 872 } | |
| 873 buf.writestring(id->toChars()); | |
| 874 buf.writeByte(0); | |
| 875 return (char *)buf.extractData(); | |
| 876 } | |
| 877 | |
| 878 /* =========================== Package ===================== */ | |
| 879 | |
| 880 Package::Package(Identifier *ident) | |
| 881 : ScopeDsymbol(ident) | |
| 882 { | |
| 883 } | |
| 884 | |
| 885 | |
| 886 const char *Package::kind() | |
| 887 { | |
| 888 return "package"; | |
| 889 } | |
| 890 | |
| 891 | |
| 892 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 893 { | |
| 894 DsymbolTable *dst = Module::modules; | |
| 895 Dsymbol *parent = NULL; | |
| 896 | |
| 897 //printf("Package::resolve()\n"); | |
| 898 if (ppkg) | |
| 899 *ppkg = NULL; | |
| 900 | |
| 901 if (packages) | |
| 902 { int i; | |
| 903 | |
| 904 for (i = 0; i < packages->dim; i++) | |
| 905 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 906 Dsymbol *p; | |
| 907 | |
| 908 p = dst->lookup(pid); | |
| 909 if (!p) | |
| 910 { | |
| 911 p = new Package(pid); | |
| 912 dst->insert(p); | |
| 913 p->parent = parent; | |
| 914 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 915 } | |
| 916 else | |
| 917 { | |
| 918 assert(p->isPackage()); | |
| 919 if (p->isModule()) | |
| 920 { p->error("module and package have the same name"); | |
| 921 fatal(); | |
| 922 break; | |
| 923 } | |
| 924 } | |
| 925 parent = p; | |
| 926 dst = ((Package *)p)->symtab; | |
| 927 if (ppkg && !*ppkg) | |
| 928 *ppkg = (Package *)p; | |
| 929 } | |
| 930 if (pparent) | |
| 931 { | |
| 932 *pparent = parent; | |
| 933 } | |
| 934 } | |
| 935 return dst; | |
| 936 } |