Mercurial > projects > ldc
annotate dmd/module.c @ 614:452e6e2618bf
Don't delete the header file after it has been generated!
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Sun, 21 Sep 2008 17:35:27 +0200 |
| parents | a30fc28e8f23 |
| children | 2a0bcf7f7b3d |
| 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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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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125 // LLVMDC |
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126 llvmForceLogging = false; |
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127 this->doDocComment = doDocComment; |
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128 this->doHdrGen = doHdrGen; |
| 336 | 129 } |
| 130 | |
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131 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
| 336 | 132 { |
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133 char *argobj; |
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134 if (forcename) |
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135 argobj = forcename; |
| 336 | 136 else |
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137 { |
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138 if (global.params.preservePaths) |
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139 argobj = (char*)this->arg; |
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140 else |
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141 argobj = FileName::name((char*)this->arg); |
| 336 | 142 |
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143 if (global.params.fqnNames) |
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144 if(md) |
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145 argobj = FileName::replaceName(argobj, md->toChars()); |
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146 else |
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147 argobj = FileName::replaceName(argobj, toChars()); |
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148 |
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149 int clen = strlen(argobj); |
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150 char* tmp = (char *)alloca(clen + 1); |
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151 memcpy(tmp, argobj, clen); |
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152 tmp[clen] = 0; |
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153 argobj = tmp; |
| 336 | 154 } |
| 155 | |
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156 if (!FileName::absolute(argobj)) |
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157 { |
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158 argobj = FileName::combine(path, argobj); |
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159 } |
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160 |
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161 FileName::ensurePathExists(FileName::path(argobj)); |
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162 |
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163 if (forcename) |
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164 return new File(argobj); |
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165 else |
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166 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 167 } |
| 168 | |
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169 void Module::buildTargetFiles() |
| 336 | 170 { |
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171 if(objfile && |
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172 (!doDocComment || docfile) && |
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173 (!doHdrGen || hdrfile)) |
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174 return; |
| 336 | 175 |
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176 if(!objfile) |
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177 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.bc_ext); |
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178 if(doDocComment && !docfile) |
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179 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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180 if(doHdrGen && !hdrfile) |
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181 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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182 |
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183 // safety check: never allow obj, doc or hdr file to have the source file's name |
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184 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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185 { |
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186 error("Output object files with the same name as the source file are forbidden"); |
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187 fatal(); |
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188 } |
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189 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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190 { |
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191 error("Output doc files with the same name as the source file are forbidden"); |
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192 fatal(); |
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193 } |
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194 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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195 { |
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196 error("Output header files with the same name as the source file are forbidden"); |
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197 fatal(); |
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198 } |
| 336 | 199 } |
| 200 | |
| 201 void Module::deleteObjFile() | |
| 202 { | |
| 203 if (global.params.obj) | |
| 204 objfile->remove(); | |
| 205 //if (global.params.llvmBC) | |
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206 //bcfile->remove(); |
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207 if (doDocComment && docfile) |
| 336 | 208 docfile->remove(); |
| 209 } | |
| 210 | |
| 211 Module::~Module() | |
| 212 { | |
| 213 } | |
| 214 | |
| 215 const char *Module::kind() | |
| 216 { | |
| 217 return "module"; | |
| 218 } | |
| 219 | |
| 220 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 221 { Module *m; | |
| 222 char *filename; | |
| 223 | |
| 224 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 225 | |
| 226 // Build module filename by turning: | |
| 227 // foo.bar.baz | |
| 228 // into: | |
| 229 // foo\bar\baz | |
| 230 filename = ident->toChars(); | |
| 231 if (packages && packages->dim) | |
| 232 { | |
| 233 OutBuffer buf; | |
| 234 int i; | |
| 235 | |
| 236 for (i = 0; i < packages->dim; i++) | |
| 237 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 238 | |
| 239 buf.writestring(pid->toChars()); | |
| 240 #if _WIN32 | |
| 241 buf.writeByte('\\'); | |
| 242 #else | |
| 243 buf.writeByte('/'); | |
| 244 #endif | |
| 245 } | |
| 246 buf.writestring(filename); | |
| 247 buf.writeByte(0); | |
| 248 filename = (char *)buf.extractData(); | |
| 249 } | |
| 250 | |
| 251 m = new Module(filename, ident, 0, 0); | |
| 252 m->loc = loc; | |
| 253 | |
| 254 /* Search along global.path for .di file, then .d file. | |
| 255 */ | |
| 256 char *result = NULL; | |
| 257 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 258 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 259 char *sdi = fdi->toChars(); | |
| 260 char *sd = fd->toChars(); | |
| 261 | |
| 262 if (FileName::exists(sdi)) | |
| 263 result = sdi; | |
| 264 else if (FileName::exists(sd)) | |
| 265 result = sd; | |
| 266 else if (FileName::absolute(filename)) | |
| 267 ; | |
| 268 else if (!global.path) | |
| 269 ; | |
| 270 else | |
| 271 { | |
| 272 for (size_t i = 0; i < global.path->dim; i++) | |
| 273 { | |
| 274 char *p = (char *)global.path->data[i]; | |
| 275 char *n = FileName::combine(p, sdi); | |
| 276 if (FileName::exists(n)) | |
| 277 { result = n; | |
| 278 break; | |
| 279 } | |
| 280 mem.free(n); | |
| 281 n = FileName::combine(p, sd); | |
| 282 if (FileName::exists(n)) | |
| 283 { result = n; | |
| 284 break; | |
| 285 } | |
| 286 mem.free(n); | |
| 287 } | |
| 288 } | |
| 289 if (result) | |
| 290 m->srcfile = new File(result); | |
| 291 | |
| 292 if (global.params.verbose) | |
| 293 { | |
| 294 printf("import "); | |
| 295 if (packages) | |
| 296 { | |
| 297 for (size_t i = 0; i < packages->dim; i++) | |
| 298 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 299 printf("%s.", pid->toChars()); | |
| 300 } | |
| 301 } | |
| 302 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 303 } | |
| 304 | |
| 305 m->read(loc); | |
| 306 m->parse(); | |
| 307 | |
| 308 #ifdef IN_GCC | |
| 309 d_gcc_magic_module(m); | |
| 310 #endif | |
| 311 | |
| 312 return m; | |
| 313 } | |
| 314 | |
| 315 void Module::read(Loc loc) | |
| 316 { | |
| 317 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 318 if (srcfile->read()) | |
| 319 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 320 fatal(); | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 inline unsigned readwordLE(unsigned short *p) | |
| 325 { | |
| 326 #if __I86__ | |
| 327 return *p; | |
| 328 #else | |
| 329 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 330 #endif | |
| 331 } | |
| 332 | |
| 333 inline unsigned readwordBE(unsigned short *p) | |
| 334 { | |
| 335 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 336 } | |
| 337 | |
| 338 inline unsigned readlongLE(unsigned *p) | |
| 339 { | |
| 340 #if __I86__ | |
| 341 return *p; | |
| 342 #else | |
| 343 return ((unsigned char *)p)[0] | | |
| 344 (((unsigned char *)p)[1] << 8) | | |
| 345 (((unsigned char *)p)[2] << 16) | | |
| 346 (((unsigned char *)p)[3] << 24); | |
| 347 #endif | |
| 348 } | |
| 349 | |
| 350 inline unsigned readlongBE(unsigned *p) | |
| 351 { | |
| 352 return ((unsigned char *)p)[3] | | |
| 353 (((unsigned char *)p)[2] << 8) | | |
| 354 (((unsigned char *)p)[1] << 16) | | |
| 355 (((unsigned char *)p)[0] << 24); | |
| 356 } | |
| 357 | |
| 358 #if IN_GCC | |
| 359 void Module::parse(bool dump_source) | |
| 360 #else | |
| 361 void Module::parse() | |
| 362 #endif | |
| 363 { char *srcname; | |
| 364 unsigned char *buf; | |
| 365 unsigned buflen; | |
| 366 unsigned le; | |
| 367 unsigned bom; | |
| 368 | |
| 369 //printf("Module::parse()\n"); | |
| 370 | |
| 371 srcname = srcfile->name->toChars(); | |
| 372 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 373 | |
| 374 buf = srcfile->buffer; | |
| 375 buflen = srcfile->len; | |
| 376 | |
| 377 if (buflen >= 2) | |
| 378 { | |
| 379 /* Convert all non-UTF-8 formats to UTF-8. | |
| 380 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 381 * 00 00 FE FF UTF-32BE, big-endian | |
| 382 * FF FE 00 00 UTF-32LE, little-endian | |
| 383 * FE FF UTF-16BE, big-endian | |
| 384 * FF FE UTF-16LE, little-endian | |
| 385 * EF BB BF UTF-8 | |
| 386 */ | |
| 387 | |
| 388 bom = 1; // assume there's a BOM | |
| 389 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 390 { | |
| 391 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 392 { // UTF-32LE | |
| 393 le = 1; | |
| 394 | |
| 395 Lutf32: | |
| 396 OutBuffer dbuf; | |
| 397 unsigned *pu = (unsigned *)(buf); | |
| 398 unsigned *pumax = &pu[buflen / 4]; | |
| 399 | |
| 400 if (buflen & 3) | |
| 401 { error("odd length of UTF-32 char source %u", buflen); | |
| 402 fatal(); | |
| 403 } | |
| 404 | |
| 405 dbuf.reserve(buflen / 4); | |
| 406 for (pu += bom; pu < pumax; pu++) | |
| 407 { unsigned u; | |
| 408 | |
| 409 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 410 if (u & ~0x7F) | |
| 411 { | |
| 412 if (u > 0x10FFFF) | |
| 413 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 414 fatal(); | |
| 415 } | |
| 416 dbuf.writeUTF8(u); | |
| 417 } | |
| 418 else | |
| 419 dbuf.writeByte(u); | |
| 420 } | |
| 421 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 422 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 423 buf = (unsigned char *) dbuf.extractData(); | |
| 424 } | |
| 425 else | |
| 426 { // UTF-16LE (X86) | |
| 427 // Convert it to UTF-8 | |
| 428 le = 1; | |
| 429 | |
| 430 Lutf16: | |
| 431 OutBuffer dbuf; | |
| 432 unsigned short *pu = (unsigned short *)(buf); | |
| 433 unsigned short *pumax = &pu[buflen / 2]; | |
| 434 | |
| 435 if (buflen & 1) | |
| 436 { error("odd length of UTF-16 char source %u", buflen); | |
| 437 fatal(); | |
| 438 } | |
| 439 | |
| 440 dbuf.reserve(buflen / 2); | |
| 441 for (pu += bom; pu < pumax; pu++) | |
| 442 { unsigned u; | |
| 443 | |
| 444 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 445 if (u & ~0x7F) | |
| 446 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 447 { unsigned u2; | |
| 448 | |
| 449 if (++pu > pumax) | |
| 450 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 451 fatal(); | |
| 452 } | |
| 453 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 454 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 455 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 456 fatal(); | |
| 457 } | |
| 458 u = (u - 0xD7C0) << 10; | |
| 459 u |= (u2 - 0xDC00); | |
| 460 } | |
| 461 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 462 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 463 fatal(); | |
| 464 } | |
| 465 else if (u == 0xFFFE || u == 0xFFFF) | |
| 466 { error("illegal UTF-16 value %04x", u); | |
| 467 fatal(); | |
| 468 } | |
| 469 dbuf.writeUTF8(u); | |
| 470 } | |
| 471 else | |
| 472 dbuf.writeByte(u); | |
| 473 } | |
| 474 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 475 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 476 buf = (unsigned char *) dbuf.extractData(); | |
| 477 } | |
| 478 } | |
| 479 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 480 { // UTF-16BE | |
| 481 le = 0; | |
| 482 goto Lutf16; | |
| 483 } | |
| 484 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 485 { // UTF-32BE | |
| 486 le = 0; | |
| 487 goto Lutf32; | |
| 488 } | |
| 489 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 490 { // UTF-8 | |
| 491 | |
| 492 buf += 3; | |
| 493 buflen -= 3; | |
| 494 } | |
| 495 else | |
| 496 { | |
| 497 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 498 * the first char of D source must be ASCII to | |
| 499 * figure out the encoding. | |
| 500 */ | |
| 501 | |
| 502 bom = 0; | |
| 503 if (buflen >= 4) | |
| 504 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 505 { // UTF-32LE | |
| 506 le = 1; | |
| 507 goto Lutf32; | |
| 508 } | |
| 509 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 510 { // UTF-32BE | |
| 511 le = 0; | |
| 512 goto Lutf32; | |
| 513 } | |
| 514 } | |
| 515 if (buflen >= 2) | |
| 516 { | |
| 517 if (buf[1] == 0) | |
| 518 { // UTF-16LE | |
| 519 le = 1; | |
| 520 goto Lutf16; | |
| 521 } | |
| 522 else if (buf[0] == 0) | |
| 523 { // UTF-16BE | |
| 524 le = 0; | |
| 525 goto Lutf16; | |
| 526 } | |
| 527 } | |
| 528 | |
| 529 // It's UTF-8 | |
| 530 if (buf[0] >= 0x80) | |
| 531 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 532 fatal(); | |
| 533 } | |
| 534 } | |
| 535 } | |
| 536 | |
| 537 #ifdef IN_GCC | |
| 538 // dump utf-8 encoded source | |
| 539 if (dump_source) | |
| 540 { // %% srcname could contain a path ... | |
| 541 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 542 } | |
| 543 #endif | |
| 544 | |
| 545 /* If it starts with the string "Ddoc", then it's a documentation | |
| 546 * source file. | |
| 547 */ | |
| 548 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 549 { | |
| 550 comment = buf + 4; | |
| 551 isDocFile = 1; | |
| 552 return; | |
| 553 } | |
| 554 if (isHtml) | |
| 555 { | |
| 556 OutBuffer *dbuf = new OutBuffer(); | |
| 557 Html h(srcname, buf, buflen); | |
| 558 h.extractCode(dbuf); | |
| 559 buf = dbuf->data; | |
| 560 buflen = dbuf->offset; | |
| 561 #ifdef IN_GCC | |
| 562 // dump extracted source | |
| 563 if (dump_source) | |
| 564 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 565 #endif | |
| 566 } | |
| 567 Parser p(this, buf, buflen, docfile != NULL); | |
| 568 p.nextToken(); | |
| 569 members = p.parseModule(); | |
| 570 md = p.md; | |
| 571 numlines = p.loc.linnum; | |
| 572 | |
| 573 DsymbolTable *dst; | |
| 574 | |
| 575 if (md) | |
| 576 { this->ident = md->id; | |
| 577 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 578 } | |
| 579 else | |
| 580 { | |
| 581 dst = modules; | |
| 582 | |
| 583 /* Check to see if module name is a valid identifier | |
| 584 */ | |
| 585 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 586 error("has non-identifier characters in filename, use module declaration instead"); | |
| 587 } | |
| 588 | |
| 589 // Update global list of modules | |
| 590 if (!dst->insert(this)) | |
| 591 { | |
| 592 if (md) | |
| 593 error(loc, "is in multiple packages %s", md->toChars()); | |
| 594 else | |
| 595 error(loc, "is in multiple defined"); | |
| 596 } | |
| 597 else | |
| 598 { | |
| 599 amodules.push(this); | |
| 600 } | |
| 601 } | |
| 602 | |
| 603 void Module::semantic() | |
| 604 { int i; | |
| 605 | |
| 606 if (semanticstarted) | |
| 607 return; | |
| 608 | |
| 609 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 610 semanticstarted = 1; | |
| 611 | |
| 612 // Note that modules get their own scope, from scratch. | |
| 613 // This is so regardless of where in the syntax a module | |
| 614 // gets imported, it is unaffected by context. | |
| 615 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 616 | |
| 617 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 618 | |
| 619 // Add import of "object" if this module isn't "object" | |
| 620 if (ident != Id::object) | |
| 621 { | |
| 622 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 623 members->shift(im); | |
| 624 } | |
| 625 | |
| 626 // Add all symbols into module's symbol table | |
| 627 symtab = new DsymbolTable(); | |
| 628 for (i = 0; i < members->dim; i++) | |
| 629 { Dsymbol *s; | |
| 630 | |
| 631 s = (Dsymbol *)members->data[i]; | |
| 632 s->addMember(NULL, sc->scopesym, 1); | |
| 633 } | |
| 634 | |
| 635 // Pass 1 semantic routines: do public side of the definition | |
| 636 for (i = 0; i < members->dim; i++) | |
| 637 { Dsymbol *s; | |
| 638 | |
| 639 s = (Dsymbol *)members->data[i]; | |
| 640 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 641 s->semantic(sc); | |
| 642 runDeferredSemantic(); | |
| 643 } | |
| 644 | |
| 645 sc = sc->pop(); | |
| 646 sc->pop(); | |
| 647 semanticdone = semanticstarted; | |
| 648 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 649 } | |
| 650 | |
| 651 void Module::semantic2() | |
| 652 { int i; | |
| 653 | |
| 654 if (deferred.dim) | |
| 655 { | |
| 656 for (int i = 0; i < deferred.dim; i++) | |
| 657 { | |
| 658 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 659 | |
| 660 sd->error("unable to resolve forward reference in definition"); | |
| 661 } | |
| 662 return; | |
| 663 } | |
| 664 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 665 if (semanticstarted >= 2) | |
| 666 return; | |
| 667 assert(semanticstarted == 1); | |
| 668 semanticstarted = 2; | |
| 669 | |
| 670 // Note that modules get their own scope, from scratch. | |
| 671 // This is so regardless of where in the syntax a module | |
| 672 // gets imported, it is unaffected by context. | |
| 673 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 674 //printf("Module = %p\n", sc.scopesym); | |
| 675 | |
| 676 // Pass 2 semantic routines: do initializers and function bodies | |
| 677 for (i = 0; i < members->dim; i++) | |
| 678 { Dsymbol *s; | |
| 679 | |
| 680 s = (Dsymbol *)members->data[i]; | |
| 681 s->semantic2(sc); | |
| 682 } | |
| 683 | |
| 684 sc = sc->pop(); | |
| 685 sc->pop(); | |
| 686 semanticdone = semanticstarted; | |
| 687 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 688 } | |
| 689 | |
| 690 void Module::semantic3() | |
| 691 { int i; | |
| 692 | |
| 693 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 694 if (semanticstarted >= 3) | |
| 695 return; | |
| 696 assert(semanticstarted == 2); | |
| 697 semanticstarted = 3; | |
| 698 | |
| 699 // Note that modules get their own scope, from scratch. | |
| 700 // This is so regardless of where in the syntax a module | |
| 701 // gets imported, it is unaffected by context. | |
| 702 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 703 //printf("Module = %p\n", sc.scopesym); | |
| 704 | |
| 705 // Pass 3 semantic routines: do initializers and function bodies | |
| 706 for (i = 0; i < members->dim; i++) | |
| 707 { Dsymbol *s; | |
| 708 | |
| 709 s = (Dsymbol *)members->data[i]; | |
| 710 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 711 s->semantic3(sc); | |
| 712 } | |
| 713 | |
| 714 sc = sc->pop(); | |
| 715 sc->pop(); | |
| 716 semanticdone = semanticstarted; | |
| 717 } | |
| 718 | |
| 719 void Module::inlineScan() | |
| 720 { int i; | |
| 721 | |
| 722 if (semanticstarted >= 4) | |
| 723 return; | |
| 724 assert(semanticstarted == 3); | |
| 725 semanticstarted = 4; | |
| 726 | |
| 727 // Note that modules get their own scope, from scratch. | |
| 728 // This is so regardless of where in the syntax a module | |
| 729 // gets imported, it is unaffected by context. | |
| 730 //printf("Module = %p\n", sc.scopesym); | |
| 731 | |
| 732 for (i = 0; i < members->dim; i++) | |
| 733 { Dsymbol *s; | |
| 734 | |
| 735 s = (Dsymbol *)members->data[i]; | |
| 736 //if (global.params.verbose) | |
| 737 //printf("inline scan symbol %s\n", s->toChars()); | |
| 738 | |
| 739 s->inlineScan(); | |
| 740 } | |
| 741 semanticdone = semanticstarted; | |
| 742 } | |
| 743 | |
| 744 /**************************************************** | |
| 745 */ | |
| 746 | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
747 // is this used anywhere? |
|
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
748 /* |
| 336 | 749 void Module::gensymfile() |
| 750 { | |
| 751 OutBuffer buf; | |
| 752 HdrGenState hgs; | |
| 753 | |
| 754 //printf("Module::gensymfile()\n"); | |
| 755 | |
| 756 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 757 buf.writenl(); | |
| 758 | |
| 759 for (int i = 0; i < members->dim; i++) | |
| 760 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 761 | |
| 762 s->toCBuffer(&buf, &hgs); | |
| 763 } | |
| 764 | |
| 765 // Transfer image to file | |
| 766 symfile->setbuffer(buf.data, buf.offset); | |
| 767 buf.data = NULL; | |
| 768 | |
| 769 symfile->writev(); | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
770 }*/ |
| 336 | 771 |
| 772 /********************************** | |
| 773 * Determine if we need to generate an instance of ModuleInfo | |
| 774 * for this Module. | |
| 775 */ | |
| 776 | |
| 777 int Module::needModuleInfo() | |
| 778 { | |
|
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
779 return needmoduleinfo; |
| 336 | 780 } |
| 781 | |
| 782 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 783 { | |
| 784 /* Since modules can be circularly referenced, | |
| 785 * need to stop infinite recursive searches. | |
| 786 */ | |
| 787 | |
| 788 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 789 Dsymbol *s; | |
| 790 if (insearch) | |
| 791 s = NULL; | |
| 792 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 793 s = searchCacheSymbol; | |
| 794 else | |
| 795 { | |
| 796 insearch = 1; | |
| 797 s = ScopeDsymbol::search(loc, ident, flags); | |
| 798 insearch = 0; | |
| 799 | |
| 800 searchCacheIdent = ident; | |
| 801 searchCacheSymbol = s; | |
| 802 searchCacheFlags = flags; | |
| 803 } | |
| 804 return s; | |
| 805 } | |
| 806 | |
| 807 /******************************************* | |
| 808 * Can't run semantic on s now, try again later. | |
| 809 */ | |
| 810 | |
| 811 void Module::addDeferredSemantic(Dsymbol *s) | |
| 812 { | |
| 813 // Don't add it if it is already there | |
| 814 for (int i = 0; i < deferred.dim; i++) | |
| 815 { | |
| 816 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 817 | |
| 818 if (sd == s) | |
| 819 return; | |
| 820 } | |
| 821 | |
| 822 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 823 deferred.push(s); | |
| 824 } | |
| 825 | |
| 826 | |
| 827 /****************************************** | |
| 828 * Run semantic() on deferred symbols. | |
| 829 */ | |
| 830 | |
| 831 void Module::runDeferredSemantic() | |
| 832 { | |
| 833 size_t len; | |
| 834 | |
| 835 static int nested; | |
| 836 if (nested) | |
| 837 return; | |
| 838 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 839 nested++; | |
| 840 | |
| 841 do | |
| 842 { | |
| 843 dprogress = 0; | |
| 844 len = deferred.dim; | |
| 845 if (!len) | |
| 846 break; | |
| 847 | |
| 848 Dsymbol **todo; | |
| 849 Dsymbol *tmp; | |
| 850 if (len == 1) | |
| 851 { | |
| 852 todo = &tmp; | |
| 853 } | |
| 854 else | |
| 855 { | |
| 856 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 857 assert(todo); | |
| 858 } | |
| 859 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 860 deferred.setDim(0); | |
| 861 | |
| 862 for (int i = 0; i < len; i++) | |
| 863 { | |
| 864 Dsymbol *s = todo[i]; | |
| 865 | |
| 866 s->semantic(NULL); | |
| 867 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 868 } | |
| 869 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 870 } while (deferred.dim < len || dprogress); // while making progress | |
| 871 nested--; | |
| 872 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 873 } | |
| 874 | |
| 875 /* =========================== ModuleDeclaration ===================== */ | |
| 876 | |
| 877 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 878 { | |
| 879 this->packages = packages; | |
| 880 this->id = id; | |
| 881 } | |
| 882 | |
| 883 char *ModuleDeclaration::toChars() | |
| 884 { | |
| 885 OutBuffer buf; | |
| 886 int i; | |
| 887 | |
| 888 if (packages && packages->dim) | |
| 889 { | |
| 890 for (i = 0; i < packages->dim; i++) | |
| 891 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 892 | |
| 893 buf.writestring(pid->toChars()); | |
| 894 buf.writeByte('.'); | |
| 895 } | |
| 896 } | |
| 897 buf.writestring(id->toChars()); | |
| 898 buf.writeByte(0); | |
| 899 return (char *)buf.extractData(); | |
| 900 } | |
| 901 | |
| 902 /* =========================== Package ===================== */ | |
| 903 | |
| 904 Package::Package(Identifier *ident) | |
| 905 : ScopeDsymbol(ident) | |
| 906 { | |
| 907 } | |
| 908 | |
| 909 | |
| 910 const char *Package::kind() | |
| 911 { | |
| 912 return "package"; | |
| 913 } | |
| 914 | |
| 915 | |
| 916 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 917 { | |
| 918 DsymbolTable *dst = Module::modules; | |
| 919 Dsymbol *parent = NULL; | |
| 920 | |
| 921 //printf("Package::resolve()\n"); | |
| 922 if (ppkg) | |
| 923 *ppkg = NULL; | |
| 924 | |
| 925 if (packages) | |
| 926 { int i; | |
| 927 | |
| 928 for (i = 0; i < packages->dim; i++) | |
| 929 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 930 Dsymbol *p; | |
| 931 | |
| 932 p = dst->lookup(pid); | |
| 933 if (!p) | |
| 934 { | |
| 935 p = new Package(pid); | |
| 936 dst->insert(p); | |
| 937 p->parent = parent; | |
| 938 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 939 } | |
| 940 else | |
| 941 { | |
| 942 assert(p->isPackage()); | |
| 943 if (p->isModule()) | |
| 944 { p->error("module and package have the same name"); | |
| 945 fatal(); | |
| 946 break; | |
| 947 } | |
| 948 } | |
| 949 parent = p; | |
| 950 dst = ((Package *)p)->symtab; | |
| 951 if (ppkg && !*ppkg) | |
| 952 *ppkg = (Package *)p; | |
| 953 } | |
| 954 if (pparent) | |
| 955 { | |
| 956 *pparent = parent; | |
| 957 } | |
| 958 } | |
| 959 return dst; | |
| 960 } |