Mercurial > projects > ldc
annotate dmd/module.c @ 883:b52d5de7783f
GC defines and linkage changes.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Thu, 08 Jan 2009 18:20:02 +0100 |
| parents | 330f999ade44 |
| children | 369996c08420 |
| 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 | |
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15 #if (defined (__SVR4) && defined (__sun)) |
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16 #include <alloca.h> |
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17 #endif |
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18 |
| 336 | 19 #if _MSC_VER || __MINGW32__ |
| 20 #include <malloc.h> | |
| 21 #endif | |
| 22 | |
| 23 #if IN_GCC | |
| 24 #include "gdc_alloca.h" | |
| 25 #endif | |
| 26 | |
| 27 #include "mem.h" | |
| 28 | |
| 29 #include "mars.h" | |
| 30 #include "module.h" | |
| 31 #include "parse.h" | |
| 32 #include "scope.h" | |
| 33 #include "identifier.h" | |
| 34 #include "id.h" | |
| 35 #include "import.h" | |
| 36 #include "dsymbol.h" | |
| 37 #include "hdrgen.h" | |
| 38 #include "lexer.h" | |
| 39 | |
| 40 #define MARS 1 | |
| 41 #include "html.h" | |
| 42 | |
| 43 #ifdef IN_GCC | |
| 44 #include "d-dmd-gcc.h" | |
| 45 #endif | |
| 46 | |
| 47 ClassDeclaration *Module::moduleinfo; | |
| 48 | |
| 49 Module *Module::rootModule; | |
| 50 DsymbolTable *Module::modules; | |
| 51 Array Module::amodules; | |
| 52 | |
| 53 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
| 54 unsigned Module::dprogress; | |
| 55 | |
| 56 void Module::init() | |
| 57 { | |
| 58 modules = new DsymbolTable(); | |
| 59 } | |
| 60 | |
| 61 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
| 62 : Package(ident) | |
| 63 { | |
| 64 FileName *srcfilename; | |
| 65 | |
| 66 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
| 67 this->arg = filename; | |
| 68 md = NULL; | |
| 69 errors = 0; | |
| 70 numlines = 0; | |
| 71 members = NULL; | |
| 72 isHtml = 0; | |
| 73 isDocFile = 0; | |
| 74 needmoduleinfo = 0; | |
| 75 #ifdef IN_GCC | |
| 76 strictlyneedmoduleinfo = 0; | |
| 77 #endif | |
| 78 insearch = 0; | |
| 79 searchCacheIdent = NULL; | |
| 80 searchCacheSymbol = NULL; | |
| 81 searchCacheFlags = 0; | |
| 82 semanticstarted = 0; | |
| 83 semanticdone = 0; | |
| 84 decldefs = NULL; | |
| 85 vmoduleinfo = NULL; | |
| 86 massert = NULL; | |
| 87 marray = NULL; | |
| 88 sictor = NULL; | |
| 89 sctor = NULL; | |
| 90 sdtor = NULL; | |
| 91 stest = NULL; | |
| 92 sfilename = NULL; | |
| 93 root = 0; | |
| 94 importedFrom = NULL; | |
| 95 srcfile = NULL; | |
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96 objfile = NULL; |
| 336 | 97 docfile = NULL; |
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98 hdrfile = NULL; |
| 336 | 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) && | |
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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 srcfile = new File(srcfilename); | |
| 128 | |
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129 // LDC |
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130 llvmForceLogging = false; |
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131 this->doDocComment = doDocComment; |
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132 this->doHdrGen = doHdrGen; |
| 336 | 133 } |
| 134 | |
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135 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
| 336 | 136 { |
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137 char *argobj; |
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138 if (forcename) |
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139 argobj = forcename; |
| 336 | 140 else |
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141 { |
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142 if (global.params.preservePaths) |
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143 argobj = (char*)this->arg; |
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144 else |
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145 argobj = FileName::name((char*)this->arg); |
| 336 | 146 |
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147 if (global.params.fqnNames) |
| 643 | 148 { |
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149 if(md) |
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150 argobj = FileName::replaceName(argobj, md->toChars()); |
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151 else |
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152 argobj = FileName::replaceName(argobj, toChars()); |
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153 |
| 643 | 154 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 155 size_t len = strlen(argobj); | |
| 156 size_t extlen = strlen(ext); | |
| 157 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 158 memcpy(s, argobj, len); | |
| 159 s[len] = '.'; | |
| 160 memcpy(s + len + 1, ext, extlen + 1); | |
| 161 s[len+1+extlen] = 0; | |
| 162 argobj = s; | |
| 163 } | |
| 336 | 164 } |
| 165 | |
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166 if (!FileName::absolute(argobj)) |
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167 { |
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168 argobj = FileName::combine(path, argobj); |
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169 } |
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170 |
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171 FileName::ensurePathExists(FileName::path(argobj)); |
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172 |
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173 // always append the extension! otherwise hard to make output switches consistent |
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174 // if (forcename) |
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175 // return new File(argobj); |
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176 // else |
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177 // allow for .o and .obj on windows |
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178 #if _WIN32 |
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179 if (ext == global.params.objdir && FileName::ext(argobj) |
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180 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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181 return new File(argobj); |
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182 #endif |
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183 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 184 } |
| 185 | |
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186 void Module::buildTargetFiles() |
| 336 | 187 { |
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188 if(objfile && |
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189 (!doDocComment || docfile) && |
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190 (!doHdrGen || hdrfile)) |
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191 return; |
| 336 | 192 |
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193 if(!objfile) |
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194 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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195 if(doDocComment && !docfile) |
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196 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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197 if(doHdrGen && !hdrfile) |
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198 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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199 |
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200 // safety check: never allow obj, doc or hdr file to have the source file's name |
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201 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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202 { |
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203 error("Output object files with the same name as the source file are forbidden"); |
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204 fatal(); |
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205 } |
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206 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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207 { |
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208 error("Output doc files with the same name as the source file are forbidden"); |
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209 fatal(); |
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210 } |
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211 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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212 { |
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213 error("Output header files with the same name as the source file are forbidden"); |
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214 fatal(); |
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215 } |
| 336 | 216 } |
| 217 | |
| 218 void Module::deleteObjFile() | |
| 219 { | |
| 220 if (global.params.obj) | |
| 221 objfile->remove(); | |
| 222 //if (global.params.llvmBC) | |
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223 //bcfile->remove(); |
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224 if (doDocComment && docfile) |
| 336 | 225 docfile->remove(); |
| 226 } | |
| 227 | |
| 228 Module::~Module() | |
| 229 { | |
| 230 } | |
| 231 | |
| 232 const char *Module::kind() | |
| 233 { | |
| 234 return "module"; | |
| 235 } | |
| 236 | |
| 237 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 238 { Module *m; | |
| 239 char *filename; | |
| 240 | |
| 241 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 242 | |
| 243 // Build module filename by turning: | |
| 244 // foo.bar.baz | |
| 245 // into: | |
| 246 // foo\bar\baz | |
| 247 filename = ident->toChars(); | |
| 248 if (packages && packages->dim) | |
| 249 { | |
| 250 OutBuffer buf; | |
| 251 int i; | |
| 252 | |
| 253 for (i = 0; i < packages->dim; i++) | |
| 254 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 255 | |
| 256 buf.writestring(pid->toChars()); | |
| 257 #if _WIN32 | |
| 258 buf.writeByte('\\'); | |
| 259 #else | |
| 260 buf.writeByte('/'); | |
| 261 #endif | |
| 262 } | |
| 263 buf.writestring(filename); | |
| 264 buf.writeByte(0); | |
| 265 filename = (char *)buf.extractData(); | |
| 266 } | |
| 267 | |
| 268 m = new Module(filename, ident, 0, 0); | |
| 269 m->loc = loc; | |
| 270 | |
| 271 /* Search along global.path for .di file, then .d file. | |
| 272 */ | |
| 273 char *result = NULL; | |
| 274 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 275 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 276 char *sdi = fdi->toChars(); | |
| 277 char *sd = fd->toChars(); | |
| 278 | |
| 279 if (FileName::exists(sdi)) | |
| 280 result = sdi; | |
| 281 else if (FileName::exists(sd)) | |
| 282 result = sd; | |
| 283 else if (FileName::absolute(filename)) | |
| 284 ; | |
| 285 else if (!global.path) | |
| 286 ; | |
| 287 else | |
| 288 { | |
| 289 for (size_t i = 0; i < global.path->dim; i++) | |
| 290 { | |
| 291 char *p = (char *)global.path->data[i]; | |
| 292 char *n = FileName::combine(p, sdi); | |
| 293 if (FileName::exists(n)) | |
| 294 { result = n; | |
| 295 break; | |
| 296 } | |
| 297 mem.free(n); | |
| 298 n = FileName::combine(p, sd); | |
| 299 if (FileName::exists(n)) | |
| 300 { result = n; | |
| 301 break; | |
| 302 } | |
| 303 mem.free(n); | |
| 304 } | |
| 305 } | |
| 306 if (result) | |
| 307 m->srcfile = new File(result); | |
| 308 | |
| 309 if (global.params.verbose) | |
| 310 { | |
| 311 printf("import "); | |
| 312 if (packages) | |
| 313 { | |
| 314 for (size_t i = 0; i < packages->dim; i++) | |
| 315 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 316 printf("%s.", pid->toChars()); | |
| 317 } | |
| 318 } | |
| 319 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 320 } | |
| 321 | |
| 322 m->read(loc); | |
| 323 m->parse(); | |
| 324 | |
| 325 #ifdef IN_GCC | |
| 326 d_gcc_magic_module(m); | |
| 327 #endif | |
| 328 | |
| 329 return m; | |
| 330 } | |
| 331 | |
| 332 void Module::read(Loc loc) | |
| 333 { | |
| 334 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 335 if (srcfile->read()) | |
| 336 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 337 fatal(); | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 inline unsigned readwordLE(unsigned short *p) | |
| 342 { | |
| 343 #if __I86__ | |
| 344 return *p; | |
| 345 #else | |
| 346 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 347 #endif | |
| 348 } | |
| 349 | |
| 350 inline unsigned readwordBE(unsigned short *p) | |
| 351 { | |
| 352 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 353 } | |
| 354 | |
| 355 inline unsigned readlongLE(unsigned *p) | |
| 356 { | |
| 357 #if __I86__ | |
| 358 return *p; | |
| 359 #else | |
| 360 return ((unsigned char *)p)[0] | | |
| 361 (((unsigned char *)p)[1] << 8) | | |
| 362 (((unsigned char *)p)[2] << 16) | | |
| 363 (((unsigned char *)p)[3] << 24); | |
| 364 #endif | |
| 365 } | |
| 366 | |
| 367 inline unsigned readlongBE(unsigned *p) | |
| 368 { | |
| 369 return ((unsigned char *)p)[3] | | |
| 370 (((unsigned char *)p)[2] << 8) | | |
| 371 (((unsigned char *)p)[1] << 16) | | |
| 372 (((unsigned char *)p)[0] << 24); | |
| 373 } | |
| 374 | |
| 375 #if IN_GCC | |
| 376 void Module::parse(bool dump_source) | |
| 377 #else | |
| 378 void Module::parse() | |
| 379 #endif | |
| 380 { char *srcname; | |
| 381 unsigned char *buf; | |
| 382 unsigned buflen; | |
| 383 unsigned le; | |
| 384 unsigned bom; | |
| 385 | |
| 386 //printf("Module::parse()\n"); | |
| 387 | |
| 388 srcname = srcfile->name->toChars(); | |
| 389 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 390 | |
| 391 buf = srcfile->buffer; | |
| 392 buflen = srcfile->len; | |
| 393 | |
| 394 if (buflen >= 2) | |
| 395 { | |
| 396 /* Convert all non-UTF-8 formats to UTF-8. | |
| 397 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 398 * 00 00 FE FF UTF-32BE, big-endian | |
| 399 * FF FE 00 00 UTF-32LE, little-endian | |
| 400 * FE FF UTF-16BE, big-endian | |
| 401 * FF FE UTF-16LE, little-endian | |
| 402 * EF BB BF UTF-8 | |
| 403 */ | |
| 404 | |
| 405 bom = 1; // assume there's a BOM | |
| 406 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 407 { | |
| 408 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 409 { // UTF-32LE | |
| 410 le = 1; | |
| 411 | |
| 412 Lutf32: | |
| 413 OutBuffer dbuf; | |
| 414 unsigned *pu = (unsigned *)(buf); | |
| 415 unsigned *pumax = &pu[buflen / 4]; | |
| 416 | |
| 417 if (buflen & 3) | |
| 418 { error("odd length of UTF-32 char source %u", buflen); | |
| 419 fatal(); | |
| 420 } | |
| 421 | |
| 422 dbuf.reserve(buflen / 4); | |
| 423 for (pu += bom; pu < pumax; pu++) | |
| 424 { unsigned u; | |
| 425 | |
| 426 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 427 if (u & ~0x7F) | |
| 428 { | |
| 429 if (u > 0x10FFFF) | |
| 430 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 431 fatal(); | |
| 432 } | |
| 433 dbuf.writeUTF8(u); | |
| 434 } | |
| 435 else | |
| 436 dbuf.writeByte(u); | |
| 437 } | |
| 438 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 439 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 440 buf = (unsigned char *) dbuf.extractData(); | |
| 441 } | |
| 442 else | |
| 443 { // UTF-16LE (X86) | |
| 444 // Convert it to UTF-8 | |
| 445 le = 1; | |
| 446 | |
| 447 Lutf16: | |
| 448 OutBuffer dbuf; | |
| 449 unsigned short *pu = (unsigned short *)(buf); | |
| 450 unsigned short *pumax = &pu[buflen / 2]; | |
| 451 | |
| 452 if (buflen & 1) | |
| 453 { error("odd length of UTF-16 char source %u", buflen); | |
| 454 fatal(); | |
| 455 } | |
| 456 | |
| 457 dbuf.reserve(buflen / 2); | |
| 458 for (pu += bom; pu < pumax; pu++) | |
| 459 { unsigned u; | |
| 460 | |
| 461 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 462 if (u & ~0x7F) | |
| 463 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 464 { unsigned u2; | |
| 465 | |
| 466 if (++pu > pumax) | |
| 467 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 468 fatal(); | |
| 469 } | |
| 470 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 471 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 472 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 473 fatal(); | |
| 474 } | |
| 475 u = (u - 0xD7C0) << 10; | |
| 476 u |= (u2 - 0xDC00); | |
| 477 } | |
| 478 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 479 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 480 fatal(); | |
| 481 } | |
| 482 else if (u == 0xFFFE || u == 0xFFFF) | |
| 483 { error("illegal UTF-16 value %04x", u); | |
| 484 fatal(); | |
| 485 } | |
| 486 dbuf.writeUTF8(u); | |
| 487 } | |
| 488 else | |
| 489 dbuf.writeByte(u); | |
| 490 } | |
| 491 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 492 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 493 buf = (unsigned char *) dbuf.extractData(); | |
| 494 } | |
| 495 } | |
| 496 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 497 { // UTF-16BE | |
| 498 le = 0; | |
| 499 goto Lutf16; | |
| 500 } | |
| 501 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 502 { // UTF-32BE | |
| 503 le = 0; | |
| 504 goto Lutf32; | |
| 505 } | |
| 506 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 507 { // UTF-8 | |
| 508 | |
| 509 buf += 3; | |
| 510 buflen -= 3; | |
| 511 } | |
| 512 else | |
| 513 { | |
| 514 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 515 * the first char of D source must be ASCII to | |
| 516 * figure out the encoding. | |
| 517 */ | |
| 518 | |
| 519 bom = 0; | |
| 520 if (buflen >= 4) | |
| 521 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 522 { // UTF-32LE | |
| 523 le = 1; | |
| 524 goto Lutf32; | |
| 525 } | |
| 526 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 527 { // UTF-32BE | |
| 528 le = 0; | |
| 529 goto Lutf32; | |
| 530 } | |
| 531 } | |
| 532 if (buflen >= 2) | |
| 533 { | |
| 534 if (buf[1] == 0) | |
| 535 { // UTF-16LE | |
| 536 le = 1; | |
| 537 goto Lutf16; | |
| 538 } | |
| 539 else if (buf[0] == 0) | |
| 540 { // UTF-16BE | |
| 541 le = 0; | |
| 542 goto Lutf16; | |
| 543 } | |
| 544 } | |
| 545 | |
| 546 // It's UTF-8 | |
| 547 if (buf[0] >= 0x80) | |
| 548 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 549 fatal(); | |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 | |
| 554 #ifdef IN_GCC | |
| 555 // dump utf-8 encoded source | |
| 556 if (dump_source) | |
| 557 { // %% srcname could contain a path ... | |
| 558 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 559 } | |
| 560 #endif | |
| 561 | |
| 562 /* If it starts with the string "Ddoc", then it's a documentation | |
| 563 * source file. | |
| 564 */ | |
| 565 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 566 { | |
| 567 comment = buf + 4; | |
| 568 isDocFile = 1; | |
| 569 return; | |
| 570 } | |
| 571 if (isHtml) | |
| 572 { | |
| 573 OutBuffer *dbuf = new OutBuffer(); | |
| 574 Html h(srcname, buf, buflen); | |
| 575 h.extractCode(dbuf); | |
| 576 buf = dbuf->data; | |
| 577 buflen = dbuf->offset; | |
| 578 #ifdef IN_GCC | |
| 579 // dump extracted source | |
| 580 if (dump_source) | |
| 581 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 582 #endif | |
| 583 } | |
| 584 Parser p(this, buf, buflen, docfile != NULL); | |
| 585 p.nextToken(); | |
| 586 members = p.parseModule(); | |
| 587 md = p.md; | |
| 588 numlines = p.loc.linnum; | |
| 589 | |
| 590 DsymbolTable *dst; | |
| 591 | |
| 592 if (md) | |
| 593 { this->ident = md->id; | |
| 594 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 595 } | |
| 596 else | |
| 597 { | |
| 598 dst = modules; | |
| 599 | |
| 600 /* Check to see if module name is a valid identifier | |
| 601 */ | |
| 602 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 603 error("has non-identifier characters in filename, use module declaration instead"); | |
| 604 } | |
| 605 | |
| 606 // Update global list of modules | |
| 607 if (!dst->insert(this)) | |
| 608 { | |
| 609 if (md) | |
| 610 error(loc, "is in multiple packages %s", md->toChars()); | |
| 611 else | |
| 612 error(loc, "is in multiple defined"); | |
| 613 } | |
| 614 else | |
| 615 { | |
| 616 amodules.push(this); | |
| 617 } | |
| 618 } | |
| 619 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
620 void Module::semantic(Scope* unused_sc) |
| 336 | 621 { int i; |
| 622 | |
| 623 if (semanticstarted) | |
| 624 return; | |
| 625 | |
| 626 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 627 semanticstarted = 1; | |
| 628 | |
| 629 // Note that modules get their own scope, from scratch. | |
| 630 // This is so regardless of where in the syntax a module | |
| 631 // gets imported, it is unaffected by context. | |
| 632 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 633 | |
| 634 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 635 | |
| 636 // Add import of "object" if this module isn't "object" | |
| 637 if (ident != Id::object) | |
| 638 { | |
| 639 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 640 members->shift(im); | |
| 641 } | |
| 642 | |
| 643 // Add all symbols into module's symbol table | |
| 644 symtab = new DsymbolTable(); | |
| 645 for (i = 0; i < members->dim; i++) | |
| 646 { Dsymbol *s; | |
| 647 | |
| 648 s = (Dsymbol *)members->data[i]; | |
| 649 s->addMember(NULL, sc->scopesym, 1); | |
| 650 } | |
| 651 | |
| 652 // Pass 1 semantic routines: do public side of the definition | |
| 653 for (i = 0; i < members->dim; i++) | |
| 654 { Dsymbol *s; | |
| 655 | |
| 656 s = (Dsymbol *)members->data[i]; | |
| 657 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 658 s->semantic(sc); | |
| 659 runDeferredSemantic(); | |
| 660 } | |
| 661 | |
| 662 sc = sc->pop(); | |
| 663 sc->pop(); | |
| 664 semanticdone = semanticstarted; | |
| 665 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 666 } | |
| 667 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
668 void Module::semantic2(Scope* unused_sc) |
| 336 | 669 { int i; |
| 670 | |
| 671 if (deferred.dim) | |
| 672 { | |
| 673 for (int i = 0; i < deferred.dim; i++) | |
| 674 { | |
| 675 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 676 | |
| 677 sd->error("unable to resolve forward reference in definition"); | |
| 678 } | |
| 679 return; | |
| 680 } | |
| 681 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 682 if (semanticstarted >= 2) | |
| 683 return; | |
| 684 assert(semanticstarted == 1); | |
| 685 semanticstarted = 2; | |
| 686 | |
| 687 // Note that modules get their own scope, from scratch. | |
| 688 // This is so regardless of where in the syntax a module | |
| 689 // gets imported, it is unaffected by context. | |
| 690 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 691 //printf("Module = %p\n", sc.scopesym); | |
| 692 | |
| 693 // Pass 2 semantic routines: do initializers and function bodies | |
| 694 for (i = 0; i < members->dim; i++) | |
| 695 { Dsymbol *s; | |
| 696 | |
| 697 s = (Dsymbol *)members->data[i]; | |
| 698 s->semantic2(sc); | |
| 699 } | |
| 700 | |
| 701 sc = sc->pop(); | |
| 702 sc->pop(); | |
| 703 semanticdone = semanticstarted; | |
| 704 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 705 } | |
| 706 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
707 void Module::semantic3(Scope* unused_sc) |
| 336 | 708 { int i; |
| 709 | |
| 710 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 711 if (semanticstarted >= 3) | |
| 712 return; | |
| 713 assert(semanticstarted == 2); | |
| 714 semanticstarted = 3; | |
| 715 | |
| 716 // Note that modules get their own scope, from scratch. | |
| 717 // This is so regardless of where in the syntax a module | |
| 718 // gets imported, it is unaffected by context. | |
| 719 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 720 //printf("Module = %p\n", sc.scopesym); | |
| 721 | |
| 722 // Pass 3 semantic routines: do initializers and function bodies | |
| 723 for (i = 0; i < members->dim; i++) | |
| 724 { Dsymbol *s; | |
| 725 | |
| 726 s = (Dsymbol *)members->data[i]; | |
| 727 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 728 s->semantic3(sc); | |
| 729 } | |
| 730 | |
| 731 sc = sc->pop(); | |
| 732 sc->pop(); | |
| 733 semanticdone = semanticstarted; | |
| 734 } | |
| 735 | |
| 736 void Module::inlineScan() | |
| 737 { int i; | |
| 738 | |
| 739 if (semanticstarted >= 4) | |
| 740 return; | |
| 741 assert(semanticstarted == 3); | |
| 742 semanticstarted = 4; | |
| 743 | |
| 744 // Note that modules get their own scope, from scratch. | |
| 745 // This is so regardless of where in the syntax a module | |
| 746 // gets imported, it is unaffected by context. | |
| 747 //printf("Module = %p\n", sc.scopesym); | |
| 748 | |
| 749 for (i = 0; i < members->dim; i++) | |
| 750 { Dsymbol *s; | |
| 751 | |
| 752 s = (Dsymbol *)members->data[i]; | |
| 753 //if (global.params.verbose) | |
| 754 //printf("inline scan symbol %s\n", s->toChars()); | |
| 755 | |
| 756 s->inlineScan(); | |
| 757 } | |
| 758 semanticdone = semanticstarted; | |
| 759 } | |
| 760 | |
| 761 /**************************************************** | |
| 762 */ | |
| 763 | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
764 // is this used anywhere? |
|
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
765 /* |
| 336 | 766 void Module::gensymfile() |
| 767 { | |
| 768 OutBuffer buf; | |
| 769 HdrGenState hgs; | |
| 770 | |
| 771 //printf("Module::gensymfile()\n"); | |
| 772 | |
| 773 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 774 buf.writenl(); | |
| 775 | |
| 776 for (int i = 0; i < members->dim; i++) | |
| 777 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 778 | |
| 779 s->toCBuffer(&buf, &hgs); | |
| 780 } | |
| 781 | |
| 782 // Transfer image to file | |
| 783 symfile->setbuffer(buf.data, buf.offset); | |
| 784 buf.data = NULL; | |
| 785 | |
| 786 symfile->writev(); | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
787 }*/ |
| 336 | 788 |
| 789 /********************************** | |
| 790 * Determine if we need to generate an instance of ModuleInfo | |
| 791 * for this Module. | |
| 792 */ | |
| 793 | |
| 794 int Module::needModuleInfo() | |
| 795 { | |
|
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
796 return needmoduleinfo; |
| 336 | 797 } |
| 798 | |
| 799 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 800 { | |
| 801 /* Since modules can be circularly referenced, | |
| 802 * need to stop infinite recursive searches. | |
| 803 */ | |
| 804 | |
| 805 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 806 Dsymbol *s; | |
| 807 if (insearch) | |
| 808 s = NULL; | |
| 809 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 810 s = searchCacheSymbol; | |
| 811 else | |
| 812 { | |
| 813 insearch = 1; | |
| 814 s = ScopeDsymbol::search(loc, ident, flags); | |
| 815 insearch = 0; | |
| 816 | |
| 817 searchCacheIdent = ident; | |
| 818 searchCacheSymbol = s; | |
| 819 searchCacheFlags = flags; | |
| 820 } | |
| 821 return s; | |
| 822 } | |
| 823 | |
| 824 /******************************************* | |
| 825 * Can't run semantic on s now, try again later. | |
| 826 */ | |
| 827 | |
| 828 void Module::addDeferredSemantic(Dsymbol *s) | |
| 829 { | |
| 830 // Don't add it if it is already there | |
| 831 for (int i = 0; i < deferred.dim; i++) | |
| 832 { | |
| 833 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 834 | |
| 835 if (sd == s) | |
| 836 return; | |
| 837 } | |
| 838 | |
| 839 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 840 deferred.push(s); | |
| 841 } | |
| 842 | |
| 843 | |
| 844 /****************************************** | |
| 845 * Run semantic() on deferred symbols. | |
| 846 */ | |
| 847 | |
| 848 void Module::runDeferredSemantic() | |
| 849 { | |
| 850 size_t len; | |
| 851 | |
| 852 static int nested; | |
| 853 if (nested) | |
| 854 return; | |
| 855 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 856 nested++; | |
| 857 | |
| 858 do | |
| 859 { | |
| 860 dprogress = 0; | |
| 861 len = deferred.dim; | |
| 862 if (!len) | |
| 863 break; | |
| 864 | |
| 865 Dsymbol **todo; | |
| 866 Dsymbol *tmp; | |
| 867 if (len == 1) | |
| 868 { | |
| 869 todo = &tmp; | |
| 870 } | |
| 871 else | |
| 872 { | |
| 873 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 874 assert(todo); | |
| 875 } | |
| 876 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 877 deferred.setDim(0); | |
| 878 | |
| 879 for (int i = 0; i < len; i++) | |
| 880 { | |
| 881 Dsymbol *s = todo[i]; | |
| 882 | |
| 883 s->semantic(NULL); | |
| 884 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 885 } | |
| 886 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 887 } while (deferred.dim < len || dprogress); // while making progress | |
| 888 nested--; | |
| 889 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 890 } | |
| 891 | |
|
875
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892 /************************************ |
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893 * Recursively look at every module this module imports, |
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894 * return TRUE if it imports m. |
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895 * Can be used to detect circular imports. |
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896 */ |
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897 |
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898 int Module::imports(Module *m) |
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899 { |
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900 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
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901 int aimports_dim = aimports.dim; |
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902 #if 0 |
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903 for (int i = 0; i < aimports.dim; i++) |
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904 { Module *mi = (Module *)aimports.data[i]; |
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905 printf("\t[%d] %s\n", i, mi->toChars()); |
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906 } |
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907 #endif |
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908 for (int i = 0; i < aimports.dim; i++) |
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909 { Module *mi = (Module *)aimports.data[i]; |
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910 if (mi == m) |
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911 return TRUE; |
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912 if (!mi->insearch) |
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913 { |
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914 mi->insearch = 1; |
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915 int r = mi->imports(m); |
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916 mi->insearch = 0; |
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917 if (r) |
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918 return r; |
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919 } |
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920 } |
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921 return FALSE; |
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922 } |
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923 |
| 336 | 924 /* =========================== ModuleDeclaration ===================== */ |
| 925 | |
| 926 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 927 { | |
| 928 this->packages = packages; | |
| 929 this->id = id; | |
| 930 } | |
| 931 | |
| 932 char *ModuleDeclaration::toChars() | |
| 933 { | |
| 934 OutBuffer buf; | |
| 935 int i; | |
| 936 | |
| 937 if (packages && packages->dim) | |
| 938 { | |
| 939 for (i = 0; i < packages->dim; i++) | |
| 940 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 941 | |
| 942 buf.writestring(pid->toChars()); | |
| 943 buf.writeByte('.'); | |
| 944 } | |
| 945 } | |
| 946 buf.writestring(id->toChars()); | |
| 947 buf.writeByte(0); | |
| 948 return (char *)buf.extractData(); | |
| 949 } | |
| 950 | |
| 951 /* =========================== Package ===================== */ | |
| 952 | |
| 953 Package::Package(Identifier *ident) | |
| 954 : ScopeDsymbol(ident) | |
| 955 { | |
| 956 } | |
| 957 | |
| 958 | |
| 959 const char *Package::kind() | |
| 960 { | |
| 961 return "package"; | |
| 962 } | |
| 963 | |
| 964 | |
| 965 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 966 { | |
| 967 DsymbolTable *dst = Module::modules; | |
| 968 Dsymbol *parent = NULL; | |
| 969 | |
| 970 //printf("Package::resolve()\n"); | |
| 971 if (ppkg) | |
| 972 *ppkg = NULL; | |
| 973 | |
| 974 if (packages) | |
| 975 { int i; | |
| 976 | |
| 977 for (i = 0; i < packages->dim; i++) | |
| 978 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 979 Dsymbol *p; | |
| 980 | |
| 981 p = dst->lookup(pid); | |
| 982 if (!p) | |
| 983 { | |
| 984 p = new Package(pid); | |
| 985 dst->insert(p); | |
| 986 p->parent = parent; | |
| 987 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 988 } | |
| 989 else | |
| 990 { | |
| 991 assert(p->isPackage()); | |
| 992 if (p->isModule()) | |
| 993 { p->error("module and package have the same name"); | |
| 994 fatal(); | |
| 995 break; | |
| 996 } | |
| 997 } | |
| 998 parent = p; | |
| 999 dst = ((Package *)p)->symtab; | |
| 1000 if (ppkg && !*ppkg) | |
| 1001 *ppkg = (Package *)p; | |
| 1002 } | |
| 1003 if (pparent) | |
| 1004 { | |
| 1005 *pparent = parent; | |
| 1006 } | |
| 1007 } | |
| 1008 return dst; | |
| 1009 } |