Mercurial > projects > ldc
annotate dmd/module.c @ 956:369996c08420
Change the numbering of static ctors/dtors to be module based instead of being global.
This fixes #210 by making sure that the static ctor always gets the same
number, regardless of the order of the modules given at the command line.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Sun, 15 Feb 2009 11:46:28 +0100 |
| parents | 330f999ade44 |
| children | 31bbc7f3b817 |
| 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; |
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133 uniqueId = 0; |
| 336 | 134 } |
| 135 | |
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136 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
| 336 | 137 { |
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138 char *argobj; |
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139 if (forcename) |
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140 argobj = forcename; |
| 336 | 141 else |
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142 { |
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143 if (global.params.preservePaths) |
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144 argobj = (char*)this->arg; |
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145 else |
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146 argobj = FileName::name((char*)this->arg); |
| 336 | 147 |
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148 if (global.params.fqnNames) |
| 643 | 149 { |
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150 if(md) |
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151 argobj = FileName::replaceName(argobj, md->toChars()); |
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152 else |
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153 argobj = FileName::replaceName(argobj, toChars()); |
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154 |
| 643 | 155 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 156 size_t len = strlen(argobj); | |
| 157 size_t extlen = strlen(ext); | |
| 158 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 159 memcpy(s, argobj, len); | |
| 160 s[len] = '.'; | |
| 161 memcpy(s + len + 1, ext, extlen + 1); | |
| 162 s[len+1+extlen] = 0; | |
| 163 argobj = s; | |
| 164 } | |
| 336 | 165 } |
| 166 | |
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167 if (!FileName::absolute(argobj)) |
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168 { |
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169 argobj = FileName::combine(path, argobj); |
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170 } |
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171 |
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172 FileName::ensurePathExists(FileName::path(argobj)); |
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173 |
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174 // always append the extension! otherwise hard to make output switches consistent |
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175 // if (forcename) |
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176 // return new File(argobj); |
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177 // else |
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178 // allow for .o and .obj on windows |
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179 #if _WIN32 |
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180 if (ext == global.params.objdir && FileName::ext(argobj) |
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181 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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182 return new File(argobj); |
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183 #endif |
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184 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 185 } |
| 186 | |
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187 void Module::buildTargetFiles() |
| 336 | 188 { |
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189 if(objfile && |
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190 (!doDocComment || docfile) && |
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191 (!doHdrGen || hdrfile)) |
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192 return; |
| 336 | 193 |
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194 if(!objfile) |
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195 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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196 if(doDocComment && !docfile) |
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197 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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198 if(doHdrGen && !hdrfile) |
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199 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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200 |
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201 // safety check: never allow obj, doc or hdr file to have the source file's name |
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202 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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203 { |
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204 error("Output object files with the same name as the source file are forbidden"); |
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205 fatal(); |
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206 } |
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207 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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208 { |
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209 error("Output doc files with the same name as the source file are forbidden"); |
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210 fatal(); |
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211 } |
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212 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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213 { |
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214 error("Output header files with the same name as the source file are forbidden"); |
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215 fatal(); |
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216 } |
| 336 | 217 } |
| 218 | |
| 219 void Module::deleteObjFile() | |
| 220 { | |
| 221 if (global.params.obj) | |
| 222 objfile->remove(); | |
| 223 //if (global.params.llvmBC) | |
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224 //bcfile->remove(); |
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225 if (doDocComment && docfile) |
| 336 | 226 docfile->remove(); |
| 227 } | |
| 228 | |
| 229 Module::~Module() | |
| 230 { | |
| 231 } | |
| 232 | |
| 233 const char *Module::kind() | |
| 234 { | |
| 235 return "module"; | |
| 236 } | |
| 237 | |
| 238 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 239 { Module *m; | |
| 240 char *filename; | |
| 241 | |
| 242 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 243 | |
| 244 // Build module filename by turning: | |
| 245 // foo.bar.baz | |
| 246 // into: | |
| 247 // foo\bar\baz | |
| 248 filename = ident->toChars(); | |
| 249 if (packages && packages->dim) | |
| 250 { | |
| 251 OutBuffer buf; | |
| 252 int i; | |
| 253 | |
| 254 for (i = 0; i < packages->dim; i++) | |
| 255 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 256 | |
| 257 buf.writestring(pid->toChars()); | |
| 258 #if _WIN32 | |
| 259 buf.writeByte('\\'); | |
| 260 #else | |
| 261 buf.writeByte('/'); | |
| 262 #endif | |
| 263 } | |
| 264 buf.writestring(filename); | |
| 265 buf.writeByte(0); | |
| 266 filename = (char *)buf.extractData(); | |
| 267 } | |
| 268 | |
| 269 m = new Module(filename, ident, 0, 0); | |
| 270 m->loc = loc; | |
| 271 | |
| 272 /* Search along global.path for .di file, then .d file. | |
| 273 */ | |
| 274 char *result = NULL; | |
| 275 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 276 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 277 char *sdi = fdi->toChars(); | |
| 278 char *sd = fd->toChars(); | |
| 279 | |
| 280 if (FileName::exists(sdi)) | |
| 281 result = sdi; | |
| 282 else if (FileName::exists(sd)) | |
| 283 result = sd; | |
| 284 else if (FileName::absolute(filename)) | |
| 285 ; | |
| 286 else if (!global.path) | |
| 287 ; | |
| 288 else | |
| 289 { | |
| 290 for (size_t i = 0; i < global.path->dim; i++) | |
| 291 { | |
| 292 char *p = (char *)global.path->data[i]; | |
| 293 char *n = FileName::combine(p, sdi); | |
| 294 if (FileName::exists(n)) | |
| 295 { result = n; | |
| 296 break; | |
| 297 } | |
| 298 mem.free(n); | |
| 299 n = FileName::combine(p, sd); | |
| 300 if (FileName::exists(n)) | |
| 301 { result = n; | |
| 302 break; | |
| 303 } | |
| 304 mem.free(n); | |
| 305 } | |
| 306 } | |
| 307 if (result) | |
| 308 m->srcfile = new File(result); | |
| 309 | |
| 310 if (global.params.verbose) | |
| 311 { | |
| 312 printf("import "); | |
| 313 if (packages) | |
| 314 { | |
| 315 for (size_t i = 0; i < packages->dim; i++) | |
| 316 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 317 printf("%s.", pid->toChars()); | |
| 318 } | |
| 319 } | |
| 320 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 321 } | |
| 322 | |
| 323 m->read(loc); | |
| 324 m->parse(); | |
| 325 | |
| 326 #ifdef IN_GCC | |
| 327 d_gcc_magic_module(m); | |
| 328 #endif | |
| 329 | |
| 330 return m; | |
| 331 } | |
| 332 | |
| 333 void Module::read(Loc loc) | |
| 334 { | |
| 335 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 336 if (srcfile->read()) | |
| 337 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 338 fatal(); | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 inline unsigned readwordLE(unsigned short *p) | |
| 343 { | |
| 344 #if __I86__ | |
| 345 return *p; | |
| 346 #else | |
| 347 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 348 #endif | |
| 349 } | |
| 350 | |
| 351 inline unsigned readwordBE(unsigned short *p) | |
| 352 { | |
| 353 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 354 } | |
| 355 | |
| 356 inline unsigned readlongLE(unsigned *p) | |
| 357 { | |
| 358 #if __I86__ | |
| 359 return *p; | |
| 360 #else | |
| 361 return ((unsigned char *)p)[0] | | |
| 362 (((unsigned char *)p)[1] << 8) | | |
| 363 (((unsigned char *)p)[2] << 16) | | |
| 364 (((unsigned char *)p)[3] << 24); | |
| 365 #endif | |
| 366 } | |
| 367 | |
| 368 inline unsigned readlongBE(unsigned *p) | |
| 369 { | |
| 370 return ((unsigned char *)p)[3] | | |
| 371 (((unsigned char *)p)[2] << 8) | | |
| 372 (((unsigned char *)p)[1] << 16) | | |
| 373 (((unsigned char *)p)[0] << 24); | |
| 374 } | |
| 375 | |
| 376 #if IN_GCC | |
| 377 void Module::parse(bool dump_source) | |
| 378 #else | |
| 379 void Module::parse() | |
| 380 #endif | |
| 381 { char *srcname; | |
| 382 unsigned char *buf; | |
| 383 unsigned buflen; | |
| 384 unsigned le; | |
| 385 unsigned bom; | |
| 386 | |
| 387 //printf("Module::parse()\n"); | |
| 388 | |
| 389 srcname = srcfile->name->toChars(); | |
| 390 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 391 | |
| 392 buf = srcfile->buffer; | |
| 393 buflen = srcfile->len; | |
| 394 | |
| 395 if (buflen >= 2) | |
| 396 { | |
| 397 /* Convert all non-UTF-8 formats to UTF-8. | |
| 398 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 399 * 00 00 FE FF UTF-32BE, big-endian | |
| 400 * FF FE 00 00 UTF-32LE, little-endian | |
| 401 * FE FF UTF-16BE, big-endian | |
| 402 * FF FE UTF-16LE, little-endian | |
| 403 * EF BB BF UTF-8 | |
| 404 */ | |
| 405 | |
| 406 bom = 1; // assume there's a BOM | |
| 407 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 408 { | |
| 409 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 410 { // UTF-32LE | |
| 411 le = 1; | |
| 412 | |
| 413 Lutf32: | |
| 414 OutBuffer dbuf; | |
| 415 unsigned *pu = (unsigned *)(buf); | |
| 416 unsigned *pumax = &pu[buflen / 4]; | |
| 417 | |
| 418 if (buflen & 3) | |
| 419 { error("odd length of UTF-32 char source %u", buflen); | |
| 420 fatal(); | |
| 421 } | |
| 422 | |
| 423 dbuf.reserve(buflen / 4); | |
| 424 for (pu += bom; pu < pumax; pu++) | |
| 425 { unsigned u; | |
| 426 | |
| 427 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 428 if (u & ~0x7F) | |
| 429 { | |
| 430 if (u > 0x10FFFF) | |
| 431 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 432 fatal(); | |
| 433 } | |
| 434 dbuf.writeUTF8(u); | |
| 435 } | |
| 436 else | |
| 437 dbuf.writeByte(u); | |
| 438 } | |
| 439 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 440 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 441 buf = (unsigned char *) dbuf.extractData(); | |
| 442 } | |
| 443 else | |
| 444 { // UTF-16LE (X86) | |
| 445 // Convert it to UTF-8 | |
| 446 le = 1; | |
| 447 | |
| 448 Lutf16: | |
| 449 OutBuffer dbuf; | |
| 450 unsigned short *pu = (unsigned short *)(buf); | |
| 451 unsigned short *pumax = &pu[buflen / 2]; | |
| 452 | |
| 453 if (buflen & 1) | |
| 454 { error("odd length of UTF-16 char source %u", buflen); | |
| 455 fatal(); | |
| 456 } | |
| 457 | |
| 458 dbuf.reserve(buflen / 2); | |
| 459 for (pu += bom; pu < pumax; pu++) | |
| 460 { unsigned u; | |
| 461 | |
| 462 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 463 if (u & ~0x7F) | |
| 464 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 465 { unsigned u2; | |
| 466 | |
| 467 if (++pu > pumax) | |
| 468 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 469 fatal(); | |
| 470 } | |
| 471 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 472 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 473 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 474 fatal(); | |
| 475 } | |
| 476 u = (u - 0xD7C0) << 10; | |
| 477 u |= (u2 - 0xDC00); | |
| 478 } | |
| 479 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 480 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 481 fatal(); | |
| 482 } | |
| 483 else if (u == 0xFFFE || u == 0xFFFF) | |
| 484 { error("illegal UTF-16 value %04x", u); | |
| 485 fatal(); | |
| 486 } | |
| 487 dbuf.writeUTF8(u); | |
| 488 } | |
| 489 else | |
| 490 dbuf.writeByte(u); | |
| 491 } | |
| 492 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 493 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 494 buf = (unsigned char *) dbuf.extractData(); | |
| 495 } | |
| 496 } | |
| 497 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 498 { // UTF-16BE | |
| 499 le = 0; | |
| 500 goto Lutf16; | |
| 501 } | |
| 502 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 503 { // UTF-32BE | |
| 504 le = 0; | |
| 505 goto Lutf32; | |
| 506 } | |
| 507 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 508 { // UTF-8 | |
| 509 | |
| 510 buf += 3; | |
| 511 buflen -= 3; | |
| 512 } | |
| 513 else | |
| 514 { | |
| 515 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 516 * the first char of D source must be ASCII to | |
| 517 * figure out the encoding. | |
| 518 */ | |
| 519 | |
| 520 bom = 0; | |
| 521 if (buflen >= 4) | |
| 522 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 523 { // UTF-32LE | |
| 524 le = 1; | |
| 525 goto Lutf32; | |
| 526 } | |
| 527 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 528 { // UTF-32BE | |
| 529 le = 0; | |
| 530 goto Lutf32; | |
| 531 } | |
| 532 } | |
| 533 if (buflen >= 2) | |
| 534 { | |
| 535 if (buf[1] == 0) | |
| 536 { // UTF-16LE | |
| 537 le = 1; | |
| 538 goto Lutf16; | |
| 539 } | |
| 540 else if (buf[0] == 0) | |
| 541 { // UTF-16BE | |
| 542 le = 0; | |
| 543 goto Lutf16; | |
| 544 } | |
| 545 } | |
| 546 | |
| 547 // It's UTF-8 | |
| 548 if (buf[0] >= 0x80) | |
| 549 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 550 fatal(); | |
| 551 } | |
| 552 } | |
| 553 } | |
| 554 | |
| 555 #ifdef IN_GCC | |
| 556 // dump utf-8 encoded source | |
| 557 if (dump_source) | |
| 558 { // %% srcname could contain a path ... | |
| 559 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 560 } | |
| 561 #endif | |
| 562 | |
| 563 /* If it starts with the string "Ddoc", then it's a documentation | |
| 564 * source file. | |
| 565 */ | |
| 566 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 567 { | |
| 568 comment = buf + 4; | |
| 569 isDocFile = 1; | |
| 570 return; | |
| 571 } | |
| 572 if (isHtml) | |
| 573 { | |
| 574 OutBuffer *dbuf = new OutBuffer(); | |
| 575 Html h(srcname, buf, buflen); | |
| 576 h.extractCode(dbuf); | |
| 577 buf = dbuf->data; | |
| 578 buflen = dbuf->offset; | |
| 579 #ifdef IN_GCC | |
| 580 // dump extracted source | |
| 581 if (dump_source) | |
| 582 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 583 #endif | |
| 584 } | |
| 585 Parser p(this, buf, buflen, docfile != NULL); | |
| 586 p.nextToken(); | |
| 587 members = p.parseModule(); | |
| 588 md = p.md; | |
| 589 numlines = p.loc.linnum; | |
| 590 | |
| 591 DsymbolTable *dst; | |
| 592 | |
| 593 if (md) | |
| 594 { this->ident = md->id; | |
| 595 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 596 } | |
| 597 else | |
| 598 { | |
| 599 dst = modules; | |
| 600 | |
| 601 /* Check to see if module name is a valid identifier | |
| 602 */ | |
| 603 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 604 error("has non-identifier characters in filename, use module declaration instead"); | |
| 605 } | |
| 606 | |
| 607 // Update global list of modules | |
| 608 if (!dst->insert(this)) | |
| 609 { | |
| 610 if (md) | |
| 611 error(loc, "is in multiple packages %s", md->toChars()); | |
| 612 else | |
| 613 error(loc, "is in multiple defined"); | |
| 614 } | |
| 615 else | |
| 616 { | |
| 617 amodules.push(this); | |
| 618 } | |
| 619 } | |
| 620 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
621 void Module::semantic(Scope* unused_sc) |
| 336 | 622 { int i; |
| 623 | |
| 624 if (semanticstarted) | |
| 625 return; | |
| 626 | |
| 627 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 628 semanticstarted = 1; | |
| 629 | |
| 630 // Note that modules get their own scope, from scratch. | |
| 631 // This is so regardless of where in the syntax a module | |
| 632 // gets imported, it is unaffected by context. | |
| 633 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 634 | |
| 635 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 636 | |
| 637 // Add import of "object" if this module isn't "object" | |
| 638 if (ident != Id::object) | |
| 639 { | |
| 640 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 641 members->shift(im); | |
| 642 } | |
| 643 | |
| 644 // Add all symbols into module's symbol table | |
| 645 symtab = new DsymbolTable(); | |
| 646 for (i = 0; i < members->dim; i++) | |
| 647 { Dsymbol *s; | |
| 648 | |
| 649 s = (Dsymbol *)members->data[i]; | |
| 650 s->addMember(NULL, sc->scopesym, 1); | |
| 651 } | |
| 652 | |
| 653 // Pass 1 semantic routines: do public side of the definition | |
| 654 for (i = 0; i < members->dim; i++) | |
| 655 { Dsymbol *s; | |
| 656 | |
| 657 s = (Dsymbol *)members->data[i]; | |
| 658 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 659 s->semantic(sc); | |
| 660 runDeferredSemantic(); | |
| 661 } | |
| 662 | |
| 663 sc = sc->pop(); | |
| 664 sc->pop(); | |
| 665 semanticdone = semanticstarted; | |
| 666 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 667 } | |
| 668 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
669 void Module::semantic2(Scope* unused_sc) |
| 336 | 670 { int i; |
| 671 | |
| 672 if (deferred.dim) | |
| 673 { | |
| 674 for (int i = 0; i < deferred.dim; i++) | |
| 675 { | |
| 676 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 677 | |
| 678 sd->error("unable to resolve forward reference in definition"); | |
| 679 } | |
| 680 return; | |
| 681 } | |
| 682 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 683 if (semanticstarted >= 2) | |
| 684 return; | |
| 685 assert(semanticstarted == 1); | |
| 686 semanticstarted = 2; | |
| 687 | |
| 688 // Note that modules get their own scope, from scratch. | |
| 689 // This is so regardless of where in the syntax a module | |
| 690 // gets imported, it is unaffected by context. | |
| 691 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 692 //printf("Module = %p\n", sc.scopesym); | |
| 693 | |
| 694 // Pass 2 semantic routines: do initializers and function bodies | |
| 695 for (i = 0; i < members->dim; i++) | |
| 696 { Dsymbol *s; | |
| 697 | |
| 698 s = (Dsymbol *)members->data[i]; | |
| 699 s->semantic2(sc); | |
| 700 } | |
| 701 | |
| 702 sc = sc->pop(); | |
| 703 sc->pop(); | |
| 704 semanticdone = semanticstarted; | |
| 705 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 706 } | |
| 707 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
708 void Module::semantic3(Scope* unused_sc) |
| 336 | 709 { int i; |
| 710 | |
| 711 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 712 if (semanticstarted >= 3) | |
| 713 return; | |
| 714 assert(semanticstarted == 2); | |
| 715 semanticstarted = 3; | |
| 716 | |
| 717 // Note that modules get their own scope, from scratch. | |
| 718 // This is so regardless of where in the syntax a module | |
| 719 // gets imported, it is unaffected by context. | |
| 720 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 721 //printf("Module = %p\n", sc.scopesym); | |
| 722 | |
| 723 // Pass 3 semantic routines: do initializers and function bodies | |
| 724 for (i = 0; i < members->dim; i++) | |
| 725 { Dsymbol *s; | |
| 726 | |
| 727 s = (Dsymbol *)members->data[i]; | |
| 728 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 729 s->semantic3(sc); | |
| 730 } | |
| 731 | |
| 732 sc = sc->pop(); | |
| 733 sc->pop(); | |
| 734 semanticdone = semanticstarted; | |
| 735 } | |
| 736 | |
| 737 void Module::inlineScan() | |
| 738 { int i; | |
| 739 | |
| 740 if (semanticstarted >= 4) | |
| 741 return; | |
| 742 assert(semanticstarted == 3); | |
| 743 semanticstarted = 4; | |
| 744 | |
| 745 // Note that modules get their own scope, from scratch. | |
| 746 // This is so regardless of where in the syntax a module | |
| 747 // gets imported, it is unaffected by context. | |
| 748 //printf("Module = %p\n", sc.scopesym); | |
| 749 | |
| 750 for (i = 0; i < members->dim; i++) | |
| 751 { Dsymbol *s; | |
| 752 | |
| 753 s = (Dsymbol *)members->data[i]; | |
| 754 //if (global.params.verbose) | |
| 755 //printf("inline scan symbol %s\n", s->toChars()); | |
| 756 | |
| 757 s->inlineScan(); | |
| 758 } | |
| 759 semanticdone = semanticstarted; | |
| 760 } | |
| 761 | |
| 762 /**************************************************** | |
| 763 */ | |
| 764 | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
765 // is this used anywhere? |
|
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
766 /* |
| 336 | 767 void Module::gensymfile() |
| 768 { | |
| 769 OutBuffer buf; | |
| 770 HdrGenState hgs; | |
| 771 | |
| 772 //printf("Module::gensymfile()\n"); | |
| 773 | |
| 774 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 775 buf.writenl(); | |
| 776 | |
| 777 for (int i = 0; i < members->dim; i++) | |
| 778 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 779 | |
| 780 s->toCBuffer(&buf, &hgs); | |
| 781 } | |
| 782 | |
| 783 // Transfer image to file | |
| 784 symfile->setbuffer(buf.data, buf.offset); | |
| 785 buf.data = NULL; | |
| 786 | |
| 787 symfile->writev(); | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
788 }*/ |
| 336 | 789 |
| 790 /********************************** | |
| 791 * Determine if we need to generate an instance of ModuleInfo | |
| 792 * for this Module. | |
| 793 */ | |
| 794 | |
| 795 int Module::needModuleInfo() | |
| 796 { | |
|
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
797 return needmoduleinfo; |
| 336 | 798 } |
| 799 | |
| 800 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 801 { | |
| 802 /* Since modules can be circularly referenced, | |
| 803 * need to stop infinite recursive searches. | |
| 804 */ | |
| 805 | |
| 806 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 807 Dsymbol *s; | |
| 808 if (insearch) | |
| 809 s = NULL; | |
| 810 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 811 s = searchCacheSymbol; | |
| 812 else | |
| 813 { | |
| 814 insearch = 1; | |
| 815 s = ScopeDsymbol::search(loc, ident, flags); | |
| 816 insearch = 0; | |
| 817 | |
| 818 searchCacheIdent = ident; | |
| 819 searchCacheSymbol = s; | |
| 820 searchCacheFlags = flags; | |
| 821 } | |
| 822 return s; | |
| 823 } | |
| 824 | |
| 825 /******************************************* | |
| 826 * Can't run semantic on s now, try again later. | |
| 827 */ | |
| 828 | |
| 829 void Module::addDeferredSemantic(Dsymbol *s) | |
| 830 { | |
| 831 // Don't add it if it is already there | |
| 832 for (int i = 0; i < deferred.dim; i++) | |
| 833 { | |
| 834 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 835 | |
| 836 if (sd == s) | |
| 837 return; | |
| 838 } | |
| 839 | |
| 840 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 841 deferred.push(s); | |
| 842 } | |
| 843 | |
| 844 | |
| 845 /****************************************** | |
| 846 * Run semantic() on deferred symbols. | |
| 847 */ | |
| 848 | |
| 849 void Module::runDeferredSemantic() | |
| 850 { | |
| 851 size_t len; | |
| 852 | |
| 853 static int nested; | |
| 854 if (nested) | |
| 855 return; | |
| 856 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 857 nested++; | |
| 858 | |
| 859 do | |
| 860 { | |
| 861 dprogress = 0; | |
| 862 len = deferred.dim; | |
| 863 if (!len) | |
| 864 break; | |
| 865 | |
| 866 Dsymbol **todo; | |
| 867 Dsymbol *tmp; | |
| 868 if (len == 1) | |
| 869 { | |
| 870 todo = &tmp; | |
| 871 } | |
| 872 else | |
| 873 { | |
| 874 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 875 assert(todo); | |
| 876 } | |
| 877 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 878 deferred.setDim(0); | |
| 879 | |
| 880 for (int i = 0; i < len; i++) | |
| 881 { | |
| 882 Dsymbol *s = todo[i]; | |
| 883 | |
| 884 s->semantic(NULL); | |
| 885 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 886 } | |
| 887 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 888 } while (deferred.dim < len || dprogress); // while making progress | |
| 889 nested--; | |
| 890 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 891 } | |
| 892 | |
|
875
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893 /************************************ |
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894 * Recursively look at every module this module imports, |
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895 * return TRUE if it imports m. |
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896 * Can be used to detect circular imports. |
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897 */ |
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898 |
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899 int Module::imports(Module *m) |
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900 { |
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901 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
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902 int aimports_dim = aimports.dim; |
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903 #if 0 |
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904 for (int i = 0; i < aimports.dim; i++) |
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905 { Module *mi = (Module *)aimports.data[i]; |
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906 printf("\t[%d] %s\n", i, mi->toChars()); |
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907 } |
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908 #endif |
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909 for (int i = 0; i < aimports.dim; i++) |
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910 { Module *mi = (Module *)aimports.data[i]; |
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911 if (mi == m) |
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912 return TRUE; |
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913 if (!mi->insearch) |
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914 { |
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915 mi->insearch = 1; |
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916 int r = mi->imports(m); |
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917 mi->insearch = 0; |
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918 if (r) |
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919 return r; |
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920 } |
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921 } |
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922 return FALSE; |
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923 } |
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924 |
| 336 | 925 /* =========================== ModuleDeclaration ===================== */ |
| 926 | |
| 927 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 928 { | |
| 929 this->packages = packages; | |
| 930 this->id = id; | |
| 931 } | |
| 932 | |
| 933 char *ModuleDeclaration::toChars() | |
| 934 { | |
| 935 OutBuffer buf; | |
| 936 int i; | |
| 937 | |
| 938 if (packages && packages->dim) | |
| 939 { | |
| 940 for (i = 0; i < packages->dim; i++) | |
| 941 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 942 | |
| 943 buf.writestring(pid->toChars()); | |
| 944 buf.writeByte('.'); | |
| 945 } | |
| 946 } | |
| 947 buf.writestring(id->toChars()); | |
| 948 buf.writeByte(0); | |
| 949 return (char *)buf.extractData(); | |
| 950 } | |
| 951 | |
| 952 /* =========================== Package ===================== */ | |
| 953 | |
| 954 Package::Package(Identifier *ident) | |
| 955 : ScopeDsymbol(ident) | |
| 956 { | |
| 957 } | |
| 958 | |
| 959 | |
| 960 const char *Package::kind() | |
| 961 { | |
| 962 return "package"; | |
| 963 } | |
| 964 | |
| 965 | |
| 966 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 967 { | |
| 968 DsymbolTable *dst = Module::modules; | |
| 969 Dsymbol *parent = NULL; | |
| 970 | |
| 971 //printf("Package::resolve()\n"); | |
| 972 if (ppkg) | |
| 973 *ppkg = NULL; | |
| 974 | |
| 975 if (packages) | |
| 976 { int i; | |
| 977 | |
| 978 for (i = 0; i < packages->dim; i++) | |
| 979 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 980 Dsymbol *p; | |
| 981 | |
| 982 p = dst->lookup(pid); | |
| 983 if (!p) | |
| 984 { | |
| 985 p = new Package(pid); | |
| 986 dst->insert(p); | |
| 987 p->parent = parent; | |
| 988 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 989 } | |
| 990 else | |
| 991 { | |
| 992 assert(p->isPackage()); | |
| 993 if (p->isModule()) | |
| 994 { p->error("module and package have the same name"); | |
| 995 fatal(); | |
| 996 break; | |
| 997 } | |
| 998 } | |
| 999 parent = p; | |
| 1000 dst = ((Package *)p)->symtab; | |
| 1001 if (ppkg && !*ppkg) | |
| 1002 *ppkg = (Package *)p; | |
| 1003 } | |
| 1004 if (pparent) | |
| 1005 { | |
| 1006 *pparent = parent; | |
| 1007 } | |
| 1008 } | |
| 1009 return dst; | |
| 1010 } | |
|
956
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1011 |
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1012 Identifier* Module::generateId(Identifier* id) |
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1013 { |
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1014 return Identifier::generateId(id->string, uniqueId++); |
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1015 } |