Mercurial > projects > ldc
annotate dmd/module.c @ 751:dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Mon, 03 Nov 2008 12:35:29 +0100 |
| parents | fd5665da3a27 |
| children | aa953cc960b6 |
| 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 // LDC |
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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) |
| 643 | 144 { |
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145 if(md) |
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146 argobj = FileName::replaceName(argobj, md->toChars()); |
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147 else |
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148 argobj = FileName::replaceName(argobj, toChars()); |
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149 |
| 643 | 150 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 151 size_t len = strlen(argobj); | |
| 152 size_t extlen = strlen(ext); | |
| 153 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 154 memcpy(s, argobj, len); | |
| 155 s[len] = '.'; | |
| 156 memcpy(s + len + 1, ext, extlen + 1); | |
| 157 s[len+1+extlen] = 0; | |
| 158 argobj = s; | |
| 159 } | |
| 336 | 160 } |
| 161 | |
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162 if (!FileName::absolute(argobj)) |
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163 { |
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164 argobj = FileName::combine(path, argobj); |
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165 } |
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166 |
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167 FileName::ensurePathExists(FileName::path(argobj)); |
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168 |
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169 // always append the extension! otherwise hard to make output switches consistent |
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170 // if (forcename) |
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171 // return new File(argobj); |
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172 // else |
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173 // allow for .o and .obj on windows |
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174 #if _WIN32 |
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175 if (ext == global.params.objdir && FileName::ext(argobj) |
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176 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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177 return new File(argobj); |
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178 #endif |
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179 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 180 } |
| 181 | |
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182 void Module::buildTargetFiles() |
| 336 | 183 { |
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184 if(objfile && |
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185 (!doDocComment || docfile) && |
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186 (!doHdrGen || hdrfile)) |
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187 return; |
| 336 | 188 |
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189 if(!objfile) |
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190 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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191 if(doDocComment && !docfile) |
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192 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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193 if(doHdrGen && !hdrfile) |
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194 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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195 |
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196 // safety check: never allow obj, doc or hdr file to have the source file's name |
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197 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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198 { |
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199 error("Output object files with the same name as the source file are forbidden"); |
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200 fatal(); |
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201 } |
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202 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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203 { |
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204 error("Output doc 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(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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208 { |
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209 error("Output header files with the same name as the source file are forbidden"); |
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210 fatal(); |
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211 } |
| 336 | 212 } |
| 213 | |
| 214 void Module::deleteObjFile() | |
| 215 { | |
| 216 if (global.params.obj) | |
| 217 objfile->remove(); | |
| 218 //if (global.params.llvmBC) | |
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219 //bcfile->remove(); |
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220 if (doDocComment && docfile) |
| 336 | 221 docfile->remove(); |
| 222 } | |
| 223 | |
| 224 Module::~Module() | |
| 225 { | |
| 226 } | |
| 227 | |
| 228 const char *Module::kind() | |
| 229 { | |
| 230 return "module"; | |
| 231 } | |
| 232 | |
| 233 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 234 { Module *m; | |
| 235 char *filename; | |
| 236 | |
| 237 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 238 | |
| 239 // Build module filename by turning: | |
| 240 // foo.bar.baz | |
| 241 // into: | |
| 242 // foo\bar\baz | |
| 243 filename = ident->toChars(); | |
| 244 if (packages && packages->dim) | |
| 245 { | |
| 246 OutBuffer buf; | |
| 247 int i; | |
| 248 | |
| 249 for (i = 0; i < packages->dim; i++) | |
| 250 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 251 | |
| 252 buf.writestring(pid->toChars()); | |
| 253 #if _WIN32 | |
| 254 buf.writeByte('\\'); | |
| 255 #else | |
| 256 buf.writeByte('/'); | |
| 257 #endif | |
| 258 } | |
| 259 buf.writestring(filename); | |
| 260 buf.writeByte(0); | |
| 261 filename = (char *)buf.extractData(); | |
| 262 } | |
| 263 | |
| 264 m = new Module(filename, ident, 0, 0); | |
| 265 m->loc = loc; | |
| 266 | |
| 267 /* Search along global.path for .di file, then .d file. | |
| 268 */ | |
| 269 char *result = NULL; | |
| 270 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 271 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 272 char *sdi = fdi->toChars(); | |
| 273 char *sd = fd->toChars(); | |
| 274 | |
| 275 if (FileName::exists(sdi)) | |
| 276 result = sdi; | |
| 277 else if (FileName::exists(sd)) | |
| 278 result = sd; | |
| 279 else if (FileName::absolute(filename)) | |
| 280 ; | |
| 281 else if (!global.path) | |
| 282 ; | |
| 283 else | |
| 284 { | |
| 285 for (size_t i = 0; i < global.path->dim; i++) | |
| 286 { | |
| 287 char *p = (char *)global.path->data[i]; | |
| 288 char *n = FileName::combine(p, sdi); | |
| 289 if (FileName::exists(n)) | |
| 290 { result = n; | |
| 291 break; | |
| 292 } | |
| 293 mem.free(n); | |
| 294 n = FileName::combine(p, sd); | |
| 295 if (FileName::exists(n)) | |
| 296 { result = n; | |
| 297 break; | |
| 298 } | |
| 299 mem.free(n); | |
| 300 } | |
| 301 } | |
| 302 if (result) | |
| 303 m->srcfile = new File(result); | |
| 304 | |
| 305 if (global.params.verbose) | |
| 306 { | |
| 307 printf("import "); | |
| 308 if (packages) | |
| 309 { | |
| 310 for (size_t i = 0; i < packages->dim; i++) | |
| 311 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 312 printf("%s.", pid->toChars()); | |
| 313 } | |
| 314 } | |
| 315 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 316 } | |
| 317 | |
| 318 m->read(loc); | |
| 319 m->parse(); | |
| 320 | |
| 321 #ifdef IN_GCC | |
| 322 d_gcc_magic_module(m); | |
| 323 #endif | |
| 324 | |
| 325 return m; | |
| 326 } | |
| 327 | |
| 328 void Module::read(Loc loc) | |
| 329 { | |
| 330 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 331 if (srcfile->read()) | |
| 332 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 333 fatal(); | |
| 334 } | |
| 335 } | |
| 336 | |
| 337 inline unsigned readwordLE(unsigned short *p) | |
| 338 { | |
| 339 #if __I86__ | |
| 340 return *p; | |
| 341 #else | |
| 342 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 343 #endif | |
| 344 } | |
| 345 | |
| 346 inline unsigned readwordBE(unsigned short *p) | |
| 347 { | |
| 348 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 349 } | |
| 350 | |
| 351 inline unsigned readlongLE(unsigned *p) | |
| 352 { | |
| 353 #if __I86__ | |
| 354 return *p; | |
| 355 #else | |
| 356 return ((unsigned char *)p)[0] | | |
| 357 (((unsigned char *)p)[1] << 8) | | |
| 358 (((unsigned char *)p)[2] << 16) | | |
| 359 (((unsigned char *)p)[3] << 24); | |
| 360 #endif | |
| 361 } | |
| 362 | |
| 363 inline unsigned readlongBE(unsigned *p) | |
| 364 { | |
| 365 return ((unsigned char *)p)[3] | | |
| 366 (((unsigned char *)p)[2] << 8) | | |
| 367 (((unsigned char *)p)[1] << 16) | | |
| 368 (((unsigned char *)p)[0] << 24); | |
| 369 } | |
| 370 | |
| 371 #if IN_GCC | |
| 372 void Module::parse(bool dump_source) | |
| 373 #else | |
| 374 void Module::parse() | |
| 375 #endif | |
| 376 { char *srcname; | |
| 377 unsigned char *buf; | |
| 378 unsigned buflen; | |
| 379 unsigned le; | |
| 380 unsigned bom; | |
| 381 | |
| 382 //printf("Module::parse()\n"); | |
| 383 | |
| 384 srcname = srcfile->name->toChars(); | |
| 385 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 386 | |
| 387 buf = srcfile->buffer; | |
| 388 buflen = srcfile->len; | |
| 389 | |
| 390 if (buflen >= 2) | |
| 391 { | |
| 392 /* Convert all non-UTF-8 formats to UTF-8. | |
| 393 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 394 * 00 00 FE FF UTF-32BE, big-endian | |
| 395 * FF FE 00 00 UTF-32LE, little-endian | |
| 396 * FE FF UTF-16BE, big-endian | |
| 397 * FF FE UTF-16LE, little-endian | |
| 398 * EF BB BF UTF-8 | |
| 399 */ | |
| 400 | |
| 401 bom = 1; // assume there's a BOM | |
| 402 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 403 { | |
| 404 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 405 { // UTF-32LE | |
| 406 le = 1; | |
| 407 | |
| 408 Lutf32: | |
| 409 OutBuffer dbuf; | |
| 410 unsigned *pu = (unsigned *)(buf); | |
| 411 unsigned *pumax = &pu[buflen / 4]; | |
| 412 | |
| 413 if (buflen & 3) | |
| 414 { error("odd length of UTF-32 char source %u", buflen); | |
| 415 fatal(); | |
| 416 } | |
| 417 | |
| 418 dbuf.reserve(buflen / 4); | |
| 419 for (pu += bom; pu < pumax; pu++) | |
| 420 { unsigned u; | |
| 421 | |
| 422 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 423 if (u & ~0x7F) | |
| 424 { | |
| 425 if (u > 0x10FFFF) | |
| 426 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 427 fatal(); | |
| 428 } | |
| 429 dbuf.writeUTF8(u); | |
| 430 } | |
| 431 else | |
| 432 dbuf.writeByte(u); | |
| 433 } | |
| 434 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 435 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 436 buf = (unsigned char *) dbuf.extractData(); | |
| 437 } | |
| 438 else | |
| 439 { // UTF-16LE (X86) | |
| 440 // Convert it to UTF-8 | |
| 441 le = 1; | |
| 442 | |
| 443 Lutf16: | |
| 444 OutBuffer dbuf; | |
| 445 unsigned short *pu = (unsigned short *)(buf); | |
| 446 unsigned short *pumax = &pu[buflen / 2]; | |
| 447 | |
| 448 if (buflen & 1) | |
| 449 { error("odd length of UTF-16 char source %u", buflen); | |
| 450 fatal(); | |
| 451 } | |
| 452 | |
| 453 dbuf.reserve(buflen / 2); | |
| 454 for (pu += bom; pu < pumax; pu++) | |
| 455 { unsigned u; | |
| 456 | |
| 457 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 458 if (u & ~0x7F) | |
| 459 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 460 { unsigned u2; | |
| 461 | |
| 462 if (++pu > pumax) | |
| 463 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 464 fatal(); | |
| 465 } | |
| 466 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 467 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 468 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 469 fatal(); | |
| 470 } | |
| 471 u = (u - 0xD7C0) << 10; | |
| 472 u |= (u2 - 0xDC00); | |
| 473 } | |
| 474 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 475 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 476 fatal(); | |
| 477 } | |
| 478 else if (u == 0xFFFE || u == 0xFFFF) | |
| 479 { error("illegal UTF-16 value %04x", u); | |
| 480 fatal(); | |
| 481 } | |
| 482 dbuf.writeUTF8(u); | |
| 483 } | |
| 484 else | |
| 485 dbuf.writeByte(u); | |
| 486 } | |
| 487 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 488 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 489 buf = (unsigned char *) dbuf.extractData(); | |
| 490 } | |
| 491 } | |
| 492 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 493 { // UTF-16BE | |
| 494 le = 0; | |
| 495 goto Lutf16; | |
| 496 } | |
| 497 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 498 { // UTF-32BE | |
| 499 le = 0; | |
| 500 goto Lutf32; | |
| 501 } | |
| 502 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 503 { // UTF-8 | |
| 504 | |
| 505 buf += 3; | |
| 506 buflen -= 3; | |
| 507 } | |
| 508 else | |
| 509 { | |
| 510 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 511 * the first char of D source must be ASCII to | |
| 512 * figure out the encoding. | |
| 513 */ | |
| 514 | |
| 515 bom = 0; | |
| 516 if (buflen >= 4) | |
| 517 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 518 { // UTF-32LE | |
| 519 le = 1; | |
| 520 goto Lutf32; | |
| 521 } | |
| 522 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 523 { // UTF-32BE | |
| 524 le = 0; | |
| 525 goto Lutf32; | |
| 526 } | |
| 527 } | |
| 528 if (buflen >= 2) | |
| 529 { | |
| 530 if (buf[1] == 0) | |
| 531 { // UTF-16LE | |
| 532 le = 1; | |
| 533 goto Lutf16; | |
| 534 } | |
| 535 else if (buf[0] == 0) | |
| 536 { // UTF-16BE | |
| 537 le = 0; | |
| 538 goto Lutf16; | |
| 539 } | |
| 540 } | |
| 541 | |
| 542 // It's UTF-8 | |
| 543 if (buf[0] >= 0x80) | |
| 544 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 545 fatal(); | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 #ifdef IN_GCC | |
| 551 // dump utf-8 encoded source | |
| 552 if (dump_source) | |
| 553 { // %% srcname could contain a path ... | |
| 554 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 555 } | |
| 556 #endif | |
| 557 | |
| 558 /* If it starts with the string "Ddoc", then it's a documentation | |
| 559 * source file. | |
| 560 */ | |
| 561 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 562 { | |
| 563 comment = buf + 4; | |
| 564 isDocFile = 1; | |
| 565 return; | |
| 566 } | |
| 567 if (isHtml) | |
| 568 { | |
| 569 OutBuffer *dbuf = new OutBuffer(); | |
| 570 Html h(srcname, buf, buflen); | |
| 571 h.extractCode(dbuf); | |
| 572 buf = dbuf->data; | |
| 573 buflen = dbuf->offset; | |
| 574 #ifdef IN_GCC | |
| 575 // dump extracted source | |
| 576 if (dump_source) | |
| 577 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 578 #endif | |
| 579 } | |
| 580 Parser p(this, buf, buflen, docfile != NULL); | |
| 581 p.nextToken(); | |
| 582 members = p.parseModule(); | |
| 583 md = p.md; | |
| 584 numlines = p.loc.linnum; | |
| 585 | |
| 586 DsymbolTable *dst; | |
| 587 | |
| 588 if (md) | |
| 589 { this->ident = md->id; | |
| 590 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 591 } | |
| 592 else | |
| 593 { | |
| 594 dst = modules; | |
| 595 | |
| 596 /* Check to see if module name is a valid identifier | |
| 597 */ | |
| 598 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 599 error("has non-identifier characters in filename, use module declaration instead"); | |
| 600 } | |
| 601 | |
| 602 // Update global list of modules | |
| 603 if (!dst->insert(this)) | |
| 604 { | |
| 605 if (md) | |
| 606 error(loc, "is in multiple packages %s", md->toChars()); | |
| 607 else | |
| 608 error(loc, "is in multiple defined"); | |
| 609 } | |
| 610 else | |
| 611 { | |
| 612 amodules.push(this); | |
| 613 } | |
| 614 } | |
| 615 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
616 void Module::semantic(Scope* unused_sc) |
| 336 | 617 { int i; |
| 618 | |
| 619 if (semanticstarted) | |
| 620 return; | |
| 621 | |
| 622 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 623 semanticstarted = 1; | |
| 624 | |
| 625 // Note that modules get their own scope, from scratch. | |
| 626 // This is so regardless of where in the syntax a module | |
| 627 // gets imported, it is unaffected by context. | |
| 628 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 629 | |
| 630 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 631 | |
| 632 // Add import of "object" if this module isn't "object" | |
| 633 if (ident != Id::object) | |
| 634 { | |
| 635 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 636 members->shift(im); | |
| 637 } | |
| 638 | |
| 639 // Add all symbols into module's symbol table | |
| 640 symtab = new DsymbolTable(); | |
| 641 for (i = 0; i < members->dim; i++) | |
| 642 { Dsymbol *s; | |
| 643 | |
| 644 s = (Dsymbol *)members->data[i]; | |
| 645 s->addMember(NULL, sc->scopesym, 1); | |
| 646 } | |
| 647 | |
| 648 // Pass 1 semantic routines: do public side of the definition | |
| 649 for (i = 0; i < members->dim; i++) | |
| 650 { Dsymbol *s; | |
| 651 | |
| 652 s = (Dsymbol *)members->data[i]; | |
| 653 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 654 s->semantic(sc); | |
| 655 runDeferredSemantic(); | |
| 656 } | |
| 657 | |
| 658 sc = sc->pop(); | |
| 659 sc->pop(); | |
| 660 semanticdone = semanticstarted; | |
| 661 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 662 } | |
| 663 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
664 void Module::semantic2(Scope* unused_sc) |
| 336 | 665 { int i; |
| 666 | |
| 667 if (deferred.dim) | |
| 668 { | |
| 669 for (int i = 0; i < deferred.dim; i++) | |
| 670 { | |
| 671 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 672 | |
| 673 sd->error("unable to resolve forward reference in definition"); | |
| 674 } | |
| 675 return; | |
| 676 } | |
| 677 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 678 if (semanticstarted >= 2) | |
| 679 return; | |
| 680 assert(semanticstarted == 1); | |
| 681 semanticstarted = 2; | |
| 682 | |
| 683 // Note that modules get their own scope, from scratch. | |
| 684 // This is so regardless of where in the syntax a module | |
| 685 // gets imported, it is unaffected by context. | |
| 686 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 687 //printf("Module = %p\n", sc.scopesym); | |
| 688 | |
| 689 // Pass 2 semantic routines: do initializers and function bodies | |
| 690 for (i = 0; i < members->dim; i++) | |
| 691 { Dsymbol *s; | |
| 692 | |
| 693 s = (Dsymbol *)members->data[i]; | |
| 694 s->semantic2(sc); | |
| 695 } | |
| 696 | |
| 697 sc = sc->pop(); | |
| 698 sc->pop(); | |
| 699 semanticdone = semanticstarted; | |
| 700 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 701 } | |
| 702 | |
|
751
dc8b8b7ea0c1
Fix compile-time warnings. Adjust include in d-asm-i386.
Christian Kamm <kamm incasoftware de>
parents:
708
diff
changeset
|
703 void Module::semantic3(Scope* unused_sc) |
| 336 | 704 { int i; |
| 705 | |
| 706 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 707 if (semanticstarted >= 3) | |
| 708 return; | |
| 709 assert(semanticstarted == 2); | |
| 710 semanticstarted = 3; | |
| 711 | |
| 712 // Note that modules get their own scope, from scratch. | |
| 713 // This is so regardless of where in the syntax a module | |
| 714 // gets imported, it is unaffected by context. | |
| 715 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 716 //printf("Module = %p\n", sc.scopesym); | |
| 717 | |
| 718 // Pass 3 semantic routines: do initializers and function bodies | |
| 719 for (i = 0; i < members->dim; i++) | |
| 720 { Dsymbol *s; | |
| 721 | |
| 722 s = (Dsymbol *)members->data[i]; | |
| 723 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 724 s->semantic3(sc); | |
| 725 } | |
| 726 | |
| 727 sc = sc->pop(); | |
| 728 sc->pop(); | |
| 729 semanticdone = semanticstarted; | |
| 730 } | |
| 731 | |
| 732 void Module::inlineScan() | |
| 733 { int i; | |
| 734 | |
| 735 if (semanticstarted >= 4) | |
| 736 return; | |
| 737 assert(semanticstarted == 3); | |
| 738 semanticstarted = 4; | |
| 739 | |
| 740 // Note that modules get their own scope, from scratch. | |
| 741 // This is so regardless of where in the syntax a module | |
| 742 // gets imported, it is unaffected by context. | |
| 743 //printf("Module = %p\n", sc.scopesym); | |
| 744 | |
| 745 for (i = 0; i < members->dim; i++) | |
| 746 { Dsymbol *s; | |
| 747 | |
| 748 s = (Dsymbol *)members->data[i]; | |
| 749 //if (global.params.verbose) | |
| 750 //printf("inline scan symbol %s\n", s->toChars()); | |
| 751 | |
| 752 s->inlineScan(); | |
| 753 } | |
| 754 semanticdone = semanticstarted; | |
| 755 } | |
| 756 | |
| 757 /**************************************************** | |
| 758 */ | |
| 759 | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
760 // is this used anywhere? |
|
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
761 /* |
| 336 | 762 void Module::gensymfile() |
| 763 { | |
| 764 OutBuffer buf; | |
| 765 HdrGenState hgs; | |
| 766 | |
| 767 //printf("Module::gensymfile()\n"); | |
| 768 | |
| 769 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 770 buf.writenl(); | |
| 771 | |
| 772 for (int i = 0; i < members->dim; i++) | |
| 773 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 774 | |
| 775 s->toCBuffer(&buf, &hgs); | |
| 776 } | |
| 777 | |
| 778 // Transfer image to file | |
| 779 symfile->setbuffer(buf.data, buf.offset); | |
| 780 buf.data = NULL; | |
| 781 | |
| 782 symfile->writev(); | |
|
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
783 }*/ |
| 336 | 784 |
| 785 /********************************** | |
| 786 * Determine if we need to generate an instance of ModuleInfo | |
| 787 * for this Module. | |
| 788 */ | |
| 789 | |
| 790 int Module::needModuleInfo() | |
| 791 { | |
|
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
792 return needmoduleinfo; |
| 336 | 793 } |
| 794 | |
| 795 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 796 { | |
| 797 /* Since modules can be circularly referenced, | |
| 798 * need to stop infinite recursive searches. | |
| 799 */ | |
| 800 | |
| 801 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 802 Dsymbol *s; | |
| 803 if (insearch) | |
| 804 s = NULL; | |
| 805 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 806 s = searchCacheSymbol; | |
| 807 else | |
| 808 { | |
| 809 insearch = 1; | |
| 810 s = ScopeDsymbol::search(loc, ident, flags); | |
| 811 insearch = 0; | |
| 812 | |
| 813 searchCacheIdent = ident; | |
| 814 searchCacheSymbol = s; | |
| 815 searchCacheFlags = flags; | |
| 816 } | |
| 817 return s; | |
| 818 } | |
| 819 | |
| 820 /******************************************* | |
| 821 * Can't run semantic on s now, try again later. | |
| 822 */ | |
| 823 | |
| 824 void Module::addDeferredSemantic(Dsymbol *s) | |
| 825 { | |
| 826 // Don't add it if it is already there | |
| 827 for (int i = 0; i < deferred.dim; i++) | |
| 828 { | |
| 829 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 830 | |
| 831 if (sd == s) | |
| 832 return; | |
| 833 } | |
| 834 | |
| 835 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 836 deferred.push(s); | |
| 837 } | |
| 838 | |
| 839 | |
| 840 /****************************************** | |
| 841 * Run semantic() on deferred symbols. | |
| 842 */ | |
| 843 | |
| 844 void Module::runDeferredSemantic() | |
| 845 { | |
| 846 size_t len; | |
| 847 | |
| 848 static int nested; | |
| 849 if (nested) | |
| 850 return; | |
| 851 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 852 nested++; | |
| 853 | |
| 854 do | |
| 855 { | |
| 856 dprogress = 0; | |
| 857 len = deferred.dim; | |
| 858 if (!len) | |
| 859 break; | |
| 860 | |
| 861 Dsymbol **todo; | |
| 862 Dsymbol *tmp; | |
| 863 if (len == 1) | |
| 864 { | |
| 865 todo = &tmp; | |
| 866 } | |
| 867 else | |
| 868 { | |
| 869 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 870 assert(todo); | |
| 871 } | |
| 872 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 873 deferred.setDim(0); | |
| 874 | |
| 875 for (int i = 0; i < len; i++) | |
| 876 { | |
| 877 Dsymbol *s = todo[i]; | |
| 878 | |
| 879 s->semantic(NULL); | |
| 880 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 881 } | |
| 882 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 883 } while (deferred.dim < len || dprogress); // while making progress | |
| 884 nested--; | |
| 885 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 886 } | |
| 887 | |
| 888 /* =========================== ModuleDeclaration ===================== */ | |
| 889 | |
| 890 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 891 { | |
| 892 this->packages = packages; | |
| 893 this->id = id; | |
| 894 } | |
| 895 | |
| 896 char *ModuleDeclaration::toChars() | |
| 897 { | |
| 898 OutBuffer buf; | |
| 899 int i; | |
| 900 | |
| 901 if (packages && packages->dim) | |
| 902 { | |
| 903 for (i = 0; i < packages->dim; i++) | |
| 904 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 905 | |
| 906 buf.writestring(pid->toChars()); | |
| 907 buf.writeByte('.'); | |
| 908 } | |
| 909 } | |
| 910 buf.writestring(id->toChars()); | |
| 911 buf.writeByte(0); | |
| 912 return (char *)buf.extractData(); | |
| 913 } | |
| 914 | |
| 915 /* =========================== Package ===================== */ | |
| 916 | |
| 917 Package::Package(Identifier *ident) | |
| 918 : ScopeDsymbol(ident) | |
| 919 { | |
| 920 } | |
| 921 | |
| 922 | |
| 923 const char *Package::kind() | |
| 924 { | |
| 925 return "package"; | |
| 926 } | |
| 927 | |
| 928 | |
| 929 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 930 { | |
| 931 DsymbolTable *dst = Module::modules; | |
| 932 Dsymbol *parent = NULL; | |
| 933 | |
| 934 //printf("Package::resolve()\n"); | |
| 935 if (ppkg) | |
| 936 *ppkg = NULL; | |
| 937 | |
| 938 if (packages) | |
| 939 { int i; | |
| 940 | |
| 941 for (i = 0; i < packages->dim; i++) | |
| 942 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 943 Dsymbol *p; | |
| 944 | |
| 945 p = dst->lookup(pid); | |
| 946 if (!p) | |
| 947 { | |
| 948 p = new Package(pid); | |
| 949 dst->insert(p); | |
| 950 p->parent = parent; | |
| 951 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 952 } | |
| 953 else | |
| 954 { | |
| 955 assert(p->isPackage()); | |
| 956 if (p->isModule()) | |
| 957 { p->error("module and package have the same name"); | |
| 958 fatal(); | |
| 959 break; | |
| 960 } | |
| 961 } | |
| 962 parent = p; | |
| 963 dst = ((Package *)p)->symtab; | |
| 964 if (ppkg && !*ppkg) | |
| 965 *ppkg = (Package *)p; | |
| 966 } | |
| 967 if (pparent) | |
| 968 { | |
| 969 *pparent = parent; | |
| 970 } | |
| 971 } | |
| 972 return dst; | |
| 973 } |