Mercurial > projects > ldc
annotate dmd/module.c @ 1103:b30fe7e1dbb9
- Updated to DMD frontend 1.041.
- Removed dmd/inifile.c , it's not under a free license, replaced with libconfig based config file.
| author | Tomas Lindquist Olsen <tomas.l.olsen gmail.com> |
|---|---|
| date | Thu, 12 Mar 2009 20:37:27 +0100 |
| parents | a8cb25d478c4 |
| children | eeb8b95ea92e |
| 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 | |
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27 #include "rmem.h" |
| 336 | 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 | |
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47 |
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48 #include "llvm/Support/CommandLine.h" |
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49 |
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50 static llvm::cl::opt<bool> preservePaths("op", |
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51 llvm::cl::desc("Do not strip paths from source file"), |
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52 llvm::cl::ZeroOrMore); |
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53 |
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54 static llvm::cl::opt<bool> fqnNames("oq", |
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55 llvm::cl::desc("Write object files with fully qualified names"), |
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56 llvm::cl::ZeroOrMore); |
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57 |
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58 |
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59 |
| 336 | 60 ClassDeclaration *Module::moduleinfo; |
| 61 | |
| 62 Module *Module::rootModule; | |
| 63 DsymbolTable *Module::modules; | |
| 64 Array Module::amodules; | |
| 65 | |
| 66 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
| 67 unsigned Module::dprogress; | |
| 68 | |
| 69 void Module::init() | |
| 70 { | |
| 71 modules = new DsymbolTable(); | |
| 72 } | |
| 73 | |
| 74 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
| 75 : Package(ident) | |
| 76 { | |
| 77 FileName *srcfilename; | |
| 78 | |
| 79 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
| 80 this->arg = filename; | |
| 81 md = NULL; | |
| 82 errors = 0; | |
| 83 numlines = 0; | |
| 84 members = NULL; | |
| 85 isHtml = 0; | |
| 86 isDocFile = 0; | |
| 87 needmoduleinfo = 0; | |
| 88 #ifdef IN_GCC | |
| 89 strictlyneedmoduleinfo = 0; | |
| 90 #endif | |
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91 selfimports = 0; |
| 336 | 92 insearch = 0; |
| 93 searchCacheIdent = NULL; | |
| 94 searchCacheSymbol = NULL; | |
| 95 searchCacheFlags = 0; | |
| 96 semanticstarted = 0; | |
| 97 semanticdone = 0; | |
| 98 decldefs = NULL; | |
| 99 vmoduleinfo = NULL; | |
| 100 massert = NULL; | |
| 101 marray = NULL; | |
| 102 sictor = NULL; | |
| 103 sctor = NULL; | |
| 104 sdtor = NULL; | |
| 105 stest = NULL; | |
| 106 sfilename = NULL; | |
| 107 root = 0; | |
| 108 importedFrom = NULL; | |
| 109 srcfile = NULL; | |
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110 objfile = NULL; |
| 336 | 111 docfile = NULL; |
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112 hdrfile = NULL; |
| 336 | 113 |
| 114 debuglevel = 0; | |
| 115 debugids = NULL; | |
| 116 debugidsNot = NULL; | |
| 117 versionlevel = 0; | |
| 118 versionids = NULL; | |
| 119 versionidsNot = NULL; | |
| 120 | |
| 121 macrotable = NULL; | |
| 122 escapetable = NULL; | |
| 123 doppelganger = 0; | |
| 124 cov = NULL; | |
| 125 covb = NULL; | |
| 126 | |
| 127 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 128 if (!srcfilename->equalsExt(global.mars_ext) && | |
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129 !srcfilename->equalsExt(global.hdr_ext) && |
| 336 | 130 !srcfilename->equalsExt("dd")) |
| 131 { | |
| 132 if (srcfilename->equalsExt("html") || | |
| 133 srcfilename->equalsExt("htm") || | |
| 134 srcfilename->equalsExt("xhtml")) | |
| 135 isHtml = 1; | |
| 136 else | |
| 137 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 138 fatal(); | |
| 139 } | |
| 140 } | |
| 141 srcfile = new File(srcfilename); | |
| 142 | |
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143 // LDC |
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144 llvmForceLogging = false; |
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145 this->doDocComment = doDocComment; |
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146 this->doHdrGen = doHdrGen; |
| 336 | 147 } |
| 148 | |
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149 File* Module::buildFilePath(const char* forcename, const char* path, const char* ext) |
| 336 | 150 { |
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151 const char *argobj; |
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152 if (forcename) |
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153 argobj = forcename; |
| 336 | 154 else |
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155 { |
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156 if (preservePaths) |
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157 argobj = (char*)this->arg; |
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158 else |
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159 argobj = FileName::name((char*)this->arg); |
| 336 | 160 |
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161 if (fqnNames) |
| 643 | 162 { |
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163 if(md) |
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164 argobj = FileName::replaceName((char*)argobj, md->toChars()); |
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165 else |
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166 argobj = FileName::replaceName((char*)argobj, toChars()); |
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167 |
| 643 | 168 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 169 size_t len = strlen(argobj); | |
| 170 size_t extlen = strlen(ext); | |
| 171 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 172 memcpy(s, argobj, len); | |
| 173 s[len] = '.'; | |
| 174 memcpy(s + len + 1, ext, extlen + 1); | |
| 175 s[len+1+extlen] = 0; | |
| 176 argobj = s; | |
| 177 } | |
| 336 | 178 } |
| 179 | |
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180 if (!FileName::absolute(argobj)) |
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181 { |
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182 argobj = FileName::combine(path, argobj); |
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183 } |
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184 |
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185 FileName::ensurePathExists(FileName::path(argobj)); |
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186 |
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187 // always append the extension! otherwise hard to make output switches consistent |
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188 // if (forcename) |
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189 // return new File(argobj); |
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190 // else |
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191 // allow for .o and .obj on windows |
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192 #if _WIN32 |
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193 if (ext == global.params.objdir && FileName::ext(argobj) |
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194 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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195 return new File(argobj); |
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196 #endif |
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197 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 198 } |
| 199 | |
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200 void Module::buildTargetFiles() |
| 336 | 201 { |
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202 if(objfile && |
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203 (!doDocComment || docfile) && |
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204 (!doHdrGen || hdrfile)) |
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205 return; |
| 336 | 206 |
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207 if(!objfile) |
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208 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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209 if(doDocComment && !docfile) |
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210 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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211 if(doHdrGen && !hdrfile) |
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212 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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213 |
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214 // safety check: never allow obj, doc or hdr file to have the source file's name |
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215 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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216 { |
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217 error("Output object files with the same name as the source file are forbidden"); |
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218 fatal(); |
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219 } |
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220 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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221 { |
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222 error("Output doc files with the same name as the source file are forbidden"); |
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223 fatal(); |
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224 } |
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225 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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226 { |
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227 error("Output header files with the same name as the source file are forbidden"); |
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228 fatal(); |
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229 } |
| 336 | 230 } |
| 231 | |
| 232 void Module::deleteObjFile() | |
| 233 { | |
| 234 if (global.params.obj) | |
| 235 objfile->remove(); | |
| 236 //if (global.params.llvmBC) | |
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237 //bcfile->remove(); |
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238 if (doDocComment && docfile) |
| 336 | 239 docfile->remove(); |
| 240 } | |
| 241 | |
| 242 Module::~Module() | |
| 243 { | |
| 244 } | |
| 245 | |
| 246 const char *Module::kind() | |
| 247 { | |
| 248 return "module"; | |
| 249 } | |
| 250 | |
| 251 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 252 { Module *m; | |
| 253 char *filename; | |
| 254 | |
| 255 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 256 | |
| 257 // Build module filename by turning: | |
| 258 // foo.bar.baz | |
| 259 // into: | |
| 260 // foo\bar\baz | |
| 261 filename = ident->toChars(); | |
| 262 if (packages && packages->dim) | |
| 263 { | |
| 264 OutBuffer buf; | |
| 265 int i; | |
| 266 | |
| 267 for (i = 0; i < packages->dim; i++) | |
| 268 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 269 | |
| 270 buf.writestring(pid->toChars()); | |
| 271 #if _WIN32 | |
| 272 buf.writeByte('\\'); | |
| 273 #else | |
| 274 buf.writeByte('/'); | |
| 275 #endif | |
| 276 } | |
| 277 buf.writestring(filename); | |
| 278 buf.writeByte(0); | |
| 279 filename = (char *)buf.extractData(); | |
| 280 } | |
| 281 | |
| 282 m = new Module(filename, ident, 0, 0); | |
| 283 m->loc = loc; | |
| 284 | |
| 285 /* Search along global.path for .di file, then .d file. | |
| 286 */ | |
| 287 char *result = NULL; | |
| 288 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 289 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 290 char *sdi = fdi->toChars(); | |
| 291 char *sd = fd->toChars(); | |
| 292 | |
| 293 if (FileName::exists(sdi)) | |
| 294 result = sdi; | |
| 295 else if (FileName::exists(sd)) | |
| 296 result = sd; | |
| 297 else if (FileName::absolute(filename)) | |
| 298 ; | |
| 299 else if (!global.path) | |
| 300 ; | |
| 301 else | |
| 302 { | |
| 303 for (size_t i = 0; i < global.path->dim; i++) | |
| 304 { | |
| 305 char *p = (char *)global.path->data[i]; | |
| 306 char *n = FileName::combine(p, sdi); | |
| 307 if (FileName::exists(n)) | |
| 308 { result = n; | |
| 309 break; | |
| 310 } | |
| 311 mem.free(n); | |
| 312 n = FileName::combine(p, sd); | |
| 313 if (FileName::exists(n)) | |
| 314 { result = n; | |
| 315 break; | |
| 316 } | |
| 317 mem.free(n); | |
| 318 } | |
| 319 } | |
| 320 if (result) | |
| 321 m->srcfile = new File(result); | |
| 322 | |
| 323 if (global.params.verbose) | |
| 324 { | |
| 325 printf("import "); | |
| 326 if (packages) | |
| 327 { | |
| 328 for (size_t i = 0; i < packages->dim; i++) | |
| 329 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 330 printf("%s.", pid->toChars()); | |
| 331 } | |
| 332 } | |
| 333 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 334 } | |
| 335 | |
| 336 m->read(loc); | |
| 337 m->parse(); | |
| 338 | |
| 339 #ifdef IN_GCC | |
| 340 d_gcc_magic_module(m); | |
| 341 #endif | |
| 342 | |
| 343 return m; | |
| 344 } | |
| 345 | |
| 346 void Module::read(Loc loc) | |
| 347 { | |
| 348 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 349 if (srcfile->read()) | |
| 350 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 351 fatal(); | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 inline unsigned readwordLE(unsigned short *p) | |
| 356 { | |
| 357 #if __I86__ | |
| 358 return *p; | |
| 359 #else | |
| 360 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 361 #endif | |
| 362 } | |
| 363 | |
| 364 inline unsigned readwordBE(unsigned short *p) | |
| 365 { | |
| 366 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 367 } | |
| 368 | |
| 369 inline unsigned readlongLE(unsigned *p) | |
| 370 { | |
| 371 #if __I86__ | |
| 372 return *p; | |
| 373 #else | |
| 374 return ((unsigned char *)p)[0] | | |
| 375 (((unsigned char *)p)[1] << 8) | | |
| 376 (((unsigned char *)p)[2] << 16) | | |
| 377 (((unsigned char *)p)[3] << 24); | |
| 378 #endif | |
| 379 } | |
| 380 | |
| 381 inline unsigned readlongBE(unsigned *p) | |
| 382 { | |
| 383 return ((unsigned char *)p)[3] | | |
| 384 (((unsigned char *)p)[2] << 8) | | |
| 385 (((unsigned char *)p)[1] << 16) | | |
| 386 (((unsigned char *)p)[0] << 24); | |
| 387 } | |
| 388 | |
| 389 #if IN_GCC | |
| 390 void Module::parse(bool dump_source) | |
| 391 #else | |
| 392 void Module::parse() | |
| 393 #endif | |
| 394 { char *srcname; | |
| 395 unsigned char *buf; | |
| 396 unsigned buflen; | |
| 397 unsigned le; | |
| 398 unsigned bom; | |
| 399 | |
| 400 //printf("Module::parse()\n"); | |
| 401 | |
| 402 srcname = srcfile->name->toChars(); | |
| 403 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 404 | |
| 405 buf = srcfile->buffer; | |
| 406 buflen = srcfile->len; | |
| 407 | |
| 408 if (buflen >= 2) | |
| 409 { | |
| 410 /* Convert all non-UTF-8 formats to UTF-8. | |
| 411 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 412 * 00 00 FE FF UTF-32BE, big-endian | |
| 413 * FF FE 00 00 UTF-32LE, little-endian | |
| 414 * FE FF UTF-16BE, big-endian | |
| 415 * FF FE UTF-16LE, little-endian | |
| 416 * EF BB BF UTF-8 | |
| 417 */ | |
| 418 | |
| 419 bom = 1; // assume there's a BOM | |
| 420 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 421 { | |
| 422 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 423 { // UTF-32LE | |
| 424 le = 1; | |
| 425 | |
| 426 Lutf32: | |
| 427 OutBuffer dbuf; | |
| 428 unsigned *pu = (unsigned *)(buf); | |
| 429 unsigned *pumax = &pu[buflen / 4]; | |
| 430 | |
| 431 if (buflen & 3) | |
| 432 { error("odd length of UTF-32 char source %u", buflen); | |
| 433 fatal(); | |
| 434 } | |
| 435 | |
| 436 dbuf.reserve(buflen / 4); | |
| 437 for (pu += bom; pu < pumax; pu++) | |
| 438 { unsigned u; | |
| 439 | |
| 440 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 441 if (u & ~0x7F) | |
| 442 { | |
| 443 if (u > 0x10FFFF) | |
| 444 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 445 fatal(); | |
| 446 } | |
| 447 dbuf.writeUTF8(u); | |
| 448 } | |
| 449 else | |
| 450 dbuf.writeByte(u); | |
| 451 } | |
| 452 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 453 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 454 buf = (unsigned char *) dbuf.extractData(); | |
| 455 } | |
| 456 else | |
| 457 { // UTF-16LE (X86) | |
| 458 // Convert it to UTF-8 | |
| 459 le = 1; | |
| 460 | |
| 461 Lutf16: | |
| 462 OutBuffer dbuf; | |
| 463 unsigned short *pu = (unsigned short *)(buf); | |
| 464 unsigned short *pumax = &pu[buflen / 2]; | |
| 465 | |
| 466 if (buflen & 1) | |
| 467 { error("odd length of UTF-16 char source %u", buflen); | |
| 468 fatal(); | |
| 469 } | |
| 470 | |
| 471 dbuf.reserve(buflen / 2); | |
| 472 for (pu += bom; pu < pumax; pu++) | |
| 473 { unsigned u; | |
| 474 | |
| 475 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 476 if (u & ~0x7F) | |
| 477 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 478 { unsigned u2; | |
| 479 | |
| 480 if (++pu > pumax) | |
| 481 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 482 fatal(); | |
| 483 } | |
| 484 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 485 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 486 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 487 fatal(); | |
| 488 } | |
| 489 u = (u - 0xD7C0) << 10; | |
| 490 u |= (u2 - 0xDC00); | |
| 491 } | |
| 492 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 493 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 494 fatal(); | |
| 495 } | |
| 496 else if (u == 0xFFFE || u == 0xFFFF) | |
| 497 { error("illegal UTF-16 value %04x", u); | |
| 498 fatal(); | |
| 499 } | |
| 500 dbuf.writeUTF8(u); | |
| 501 } | |
| 502 else | |
| 503 dbuf.writeByte(u); | |
| 504 } | |
| 505 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 506 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 507 buf = (unsigned char *) dbuf.extractData(); | |
| 508 } | |
| 509 } | |
| 510 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 511 { // UTF-16BE | |
| 512 le = 0; | |
| 513 goto Lutf16; | |
| 514 } | |
| 515 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 516 { // UTF-32BE | |
| 517 le = 0; | |
| 518 goto Lutf32; | |
| 519 } | |
| 520 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 521 { // UTF-8 | |
| 522 | |
| 523 buf += 3; | |
| 524 buflen -= 3; | |
| 525 } | |
| 526 else | |
| 527 { | |
| 528 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 529 * the first char of D source must be ASCII to | |
| 530 * figure out the encoding. | |
| 531 */ | |
| 532 | |
| 533 bom = 0; | |
| 534 if (buflen >= 4) | |
| 535 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 536 { // UTF-32LE | |
| 537 le = 1; | |
| 538 goto Lutf32; | |
| 539 } | |
| 540 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 541 { // UTF-32BE | |
| 542 le = 0; | |
| 543 goto Lutf32; | |
| 544 } | |
| 545 } | |
| 546 if (buflen >= 2) | |
| 547 { | |
| 548 if (buf[1] == 0) | |
| 549 { // UTF-16LE | |
| 550 le = 1; | |
| 551 goto Lutf16; | |
| 552 } | |
| 553 else if (buf[0] == 0) | |
| 554 { // UTF-16BE | |
| 555 le = 0; | |
| 556 goto Lutf16; | |
| 557 } | |
| 558 } | |
| 559 | |
| 560 // It's UTF-8 | |
| 561 if (buf[0] >= 0x80) | |
| 562 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 563 fatal(); | |
| 564 } | |
| 565 } | |
| 566 } | |
| 567 | |
| 568 #ifdef IN_GCC | |
| 569 // dump utf-8 encoded source | |
| 570 if (dump_source) | |
| 571 { // %% srcname could contain a path ... | |
| 572 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 573 } | |
| 574 #endif | |
| 575 | |
| 576 /* If it starts with the string "Ddoc", then it's a documentation | |
| 577 * source file. | |
| 578 */ | |
| 579 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 580 { | |
| 581 comment = buf + 4; | |
| 582 isDocFile = 1; | |
| 583 return; | |
| 584 } | |
| 585 if (isHtml) | |
| 586 { | |
| 587 OutBuffer *dbuf = new OutBuffer(); | |
| 588 Html h(srcname, buf, buflen); | |
| 589 h.extractCode(dbuf); | |
| 590 buf = dbuf->data; | |
| 591 buflen = dbuf->offset; | |
| 592 #ifdef IN_GCC | |
| 593 // dump extracted source | |
| 594 if (dump_source) | |
| 595 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 596 #endif | |
| 597 } | |
| 598 Parser p(this, buf, buflen, docfile != NULL); | |
| 599 p.nextToken(); | |
| 600 members = p.parseModule(); | |
| 601 md = p.md; | |
| 602 numlines = p.loc.linnum; | |
| 603 | |
| 604 DsymbolTable *dst; | |
| 605 | |
| 606 if (md) | |
| 607 { this->ident = md->id; | |
| 608 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 609 } | |
| 610 else | |
| 611 { | |
| 612 dst = modules; | |
| 613 | |
| 614 /* Check to see if module name is a valid identifier | |
| 615 */ | |
| 616 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 617 error("has non-identifier characters in filename, use module declaration instead"); | |
| 618 } | |
| 619 | |
| 620 // Update global list of modules | |
| 621 if (!dst->insert(this)) | |
| 622 { | |
| 623 if (md) | |
| 624 error(loc, "is in multiple packages %s", md->toChars()); | |
| 625 else | |
| 626 error(loc, "is in multiple defined"); | |
| 627 } | |
| 628 else | |
| 629 { | |
| 630 amodules.push(this); | |
| 631 } | |
| 632 } | |
| 633 | |
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634 void Module::semantic(Scope* unused_sc) |
| 336 | 635 { int i; |
| 636 | |
| 637 if (semanticstarted) | |
| 638 return; | |
| 639 | |
| 640 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 641 semanticstarted = 1; | |
| 642 | |
| 643 // Note that modules get their own scope, from scratch. | |
| 644 // This is so regardless of where in the syntax a module | |
| 645 // gets imported, it is unaffected by context. | |
| 646 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 647 | |
| 648 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 649 | |
| 650 // Add import of "object" if this module isn't "object" | |
| 651 if (ident != Id::object) | |
| 652 { | |
| 653 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 654 members->shift(im); | |
| 655 } | |
| 656 | |
| 657 // Add all symbols into module's symbol table | |
| 658 symtab = new DsymbolTable(); | |
| 659 for (i = 0; i < members->dim; i++) | |
| 660 { Dsymbol *s; | |
| 661 | |
| 662 s = (Dsymbol *)members->data[i]; | |
| 663 s->addMember(NULL, sc->scopesym, 1); | |
| 664 } | |
| 665 | |
| 666 // Pass 1 semantic routines: do public side of the definition | |
| 667 for (i = 0; i < members->dim; i++) | |
| 668 { Dsymbol *s; | |
| 669 | |
| 670 s = (Dsymbol *)members->data[i]; | |
| 671 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 672 s->semantic(sc); | |
| 673 runDeferredSemantic(); | |
| 674 } | |
| 675 | |
| 676 sc = sc->pop(); | |
| 677 sc->pop(); | |
| 678 semanticdone = semanticstarted; | |
| 679 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 680 } | |
| 681 | |
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682 void Module::semantic2(Scope* unused_sc) |
| 336 | 683 { int i; |
| 684 | |
| 685 if (deferred.dim) | |
| 686 { | |
| 687 for (int i = 0; i < deferred.dim; i++) | |
| 688 { | |
| 689 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 690 | |
| 691 sd->error("unable to resolve forward reference in definition"); | |
| 692 } | |
| 693 return; | |
| 694 } | |
| 695 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 696 if (semanticstarted >= 2) | |
| 697 return; | |
| 698 assert(semanticstarted == 1); | |
| 699 semanticstarted = 2; | |
| 700 | |
| 701 // Note that modules get their own scope, from scratch. | |
| 702 // This is so regardless of where in the syntax a module | |
| 703 // gets imported, it is unaffected by context. | |
| 704 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 705 //printf("Module = %p\n", sc.scopesym); | |
| 706 | |
| 707 // Pass 2 semantic routines: do initializers and function bodies | |
| 708 for (i = 0; i < members->dim; i++) | |
| 709 { Dsymbol *s; | |
| 710 | |
| 711 s = (Dsymbol *)members->data[i]; | |
| 712 s->semantic2(sc); | |
| 713 } | |
| 714 | |
| 715 sc = sc->pop(); | |
| 716 sc->pop(); | |
| 717 semanticdone = semanticstarted; | |
| 718 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 719 } | |
| 720 | |
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721 void Module::semantic3(Scope* unused_sc) |
| 336 | 722 { int i; |
| 723 | |
| 724 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 725 if (semanticstarted >= 3) | |
| 726 return; | |
| 727 assert(semanticstarted == 2); | |
| 728 semanticstarted = 3; | |
| 729 | |
| 730 // Note that modules get their own scope, from scratch. | |
| 731 // This is so regardless of where in the syntax a module | |
| 732 // gets imported, it is unaffected by context. | |
| 733 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 734 //printf("Module = %p\n", sc.scopesym); | |
| 735 | |
| 736 // Pass 3 semantic routines: do initializers and function bodies | |
| 737 for (i = 0; i < members->dim; i++) | |
| 738 { Dsymbol *s; | |
| 739 | |
| 740 s = (Dsymbol *)members->data[i]; | |
| 741 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 742 s->semantic3(sc); | |
| 743 } | |
| 744 | |
| 745 sc = sc->pop(); | |
| 746 sc->pop(); | |
| 747 semanticdone = semanticstarted; | |
| 748 } | |
| 749 | |
| 750 void Module::inlineScan() | |
| 751 { int i; | |
| 752 | |
| 753 if (semanticstarted >= 4) | |
| 754 return; | |
| 755 assert(semanticstarted == 3); | |
| 756 semanticstarted = 4; | |
| 757 | |
| 758 // Note that modules get their own scope, from scratch. | |
| 759 // This is so regardless of where in the syntax a module | |
| 760 // gets imported, it is unaffected by context. | |
| 761 //printf("Module = %p\n", sc.scopesym); | |
| 762 | |
| 763 for (i = 0; i < members->dim; i++) | |
| 764 { Dsymbol *s; | |
| 765 | |
| 766 s = (Dsymbol *)members->data[i]; | |
| 767 //if (global.params.verbose) | |
| 768 //printf("inline scan symbol %s\n", s->toChars()); | |
| 769 | |
| 770 s->inlineScan(); | |
| 771 } | |
| 772 semanticdone = semanticstarted; | |
| 773 } | |
| 774 | |
| 775 /**************************************************** | |
| 776 */ | |
| 777 | |
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778 // is this used anywhere? |
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779 /* |
| 336 | 780 void Module::gensymfile() |
| 781 { | |
| 782 OutBuffer buf; | |
| 783 HdrGenState hgs; | |
| 784 | |
| 785 //printf("Module::gensymfile()\n"); | |
| 786 | |
| 787 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 788 buf.writenl(); | |
| 789 | |
| 790 for (int i = 0; i < members->dim; i++) | |
| 791 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 792 | |
| 793 s->toCBuffer(&buf, &hgs); | |
| 794 } | |
| 795 | |
| 796 // Transfer image to file | |
| 797 symfile->setbuffer(buf.data, buf.offset); | |
| 798 buf.data = NULL; | |
| 799 | |
| 800 symfile->writev(); | |
|
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diff
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|
801 }*/ |
| 336 | 802 |
| 803 /********************************** | |
| 804 * Determine if we need to generate an instance of ModuleInfo | |
| 805 * for this Module. | |
| 806 */ | |
| 807 | |
| 808 int Module::needModuleInfo() | |
| 809 { | |
|
550
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|
810 return needmoduleinfo; |
| 336 | 811 } |
| 812 | |
| 813 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 814 { | |
| 815 /* Since modules can be circularly referenced, | |
| 816 * need to stop infinite recursive searches. | |
| 817 */ | |
| 818 | |
| 819 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 820 Dsymbol *s; | |
| 821 if (insearch) | |
| 822 s = NULL; | |
| 823 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 824 s = searchCacheSymbol; | |
| 825 else | |
| 826 { | |
| 827 insearch = 1; | |
| 828 s = ScopeDsymbol::search(loc, ident, flags); | |
| 829 insearch = 0; | |
| 830 | |
| 831 searchCacheIdent = ident; | |
| 832 searchCacheSymbol = s; | |
| 833 searchCacheFlags = flags; | |
| 834 } | |
| 835 return s; | |
| 836 } | |
| 837 | |
| 838 /******************************************* | |
| 839 * Can't run semantic on s now, try again later. | |
| 840 */ | |
| 841 | |
| 842 void Module::addDeferredSemantic(Dsymbol *s) | |
| 843 { | |
| 844 // Don't add it if it is already there | |
| 845 for (int i = 0; i < deferred.dim; i++) | |
| 846 { | |
| 847 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 848 | |
| 849 if (sd == s) | |
| 850 return; | |
| 851 } | |
| 852 | |
| 853 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 854 deferred.push(s); | |
| 855 } | |
| 856 | |
| 857 | |
| 858 /****************************************** | |
| 859 * Run semantic() on deferred symbols. | |
| 860 */ | |
| 861 | |
| 862 void Module::runDeferredSemantic() | |
| 863 { | |
| 864 size_t len; | |
| 865 | |
| 866 static int nested; | |
| 867 if (nested) | |
| 868 return; | |
| 869 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 870 nested++; | |
| 871 | |
| 872 do | |
| 873 { | |
| 874 dprogress = 0; | |
| 875 len = deferred.dim; | |
| 876 if (!len) | |
| 877 break; | |
| 878 | |
| 879 Dsymbol **todo; | |
| 880 Dsymbol *tmp; | |
| 881 if (len == 1) | |
| 882 { | |
| 883 todo = &tmp; | |
| 884 } | |
| 885 else | |
| 886 { | |
| 887 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 888 assert(todo); | |
| 889 } | |
| 890 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 891 deferred.setDim(0); | |
| 892 | |
| 893 for (int i = 0; i < len; i++) | |
| 894 { | |
| 895 Dsymbol *s = todo[i]; | |
| 896 | |
| 897 s->semantic(NULL); | |
| 898 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 899 } | |
| 900 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 901 } while (deferred.dim < len || dprogress); // while making progress | |
| 902 nested--; | |
| 903 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 904 } | |
| 905 | |
|
875
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906 /************************************ |
|
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907 * Recursively look at every module this module imports, |
|
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diff
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908 * return TRUE if it imports m. |
|
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diff
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909 * Can be used to detect circular imports. |
|
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910 */ |
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911 |
|
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912 int Module::imports(Module *m) |
|
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913 { |
|
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diff
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|
914 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
|
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915 int aimports_dim = aimports.dim; |
|
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916 #if 0 |
|
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917 for (int i = 0; i < aimports.dim; i++) |
|
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diff
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|
918 { Module *mi = (Module *)aimports.data[i]; |
|
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diff
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|
919 printf("\t[%d] %s\n", i, mi->toChars()); |
|
330f999ade44
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parents:
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|
920 } |
|
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|
921 #endif |
|
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parents:
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|
922 for (int i = 0; i < aimports.dim; i++) |
|
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parents:
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diff
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|
923 { Module *mi = (Module *)aimports.data[i]; |
|
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924 if (mi == m) |
|
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diff
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|
925 return TRUE; |
|
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parents:
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|
926 if (!mi->insearch) |
|
330f999ade44
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
927 { |
|
330f999ade44
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parents:
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diff
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|
928 mi->insearch = 1; |
|
330f999ade44
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parents:
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diff
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|
929 int r = mi->imports(m); |
|
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parents:
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|
930 if (r) |
|
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parents:
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|
931 return r; |
|
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parents:
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diff
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|
932 } |
|
330f999ade44
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parents:
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diff
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|
933 } |
|
330f999ade44
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parents:
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diff
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|
934 return FALSE; |
|
330f999ade44
Merged DMD 1.038
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
935 } |
|
330f999ade44
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parents:
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diff
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|
936 |
|
1103
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
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|
937 /************************************* |
|
b30fe7e1dbb9
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parents:
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938 * Return !=0 if module imports itself. |
|
b30fe7e1dbb9
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parents:
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939 */ |
|
b30fe7e1dbb9
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parents:
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diff
changeset
|
940 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
941 int Module::selfImports() |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
942 { |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
943 //printf("Module::selfImports() %s\n", toChars()); |
|
b30fe7e1dbb9
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parents:
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diff
changeset
|
944 if (!selfimports) |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
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|
945 { |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
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|
946 for (int i = 0; i < amodules.dim; i++) |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
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|
947 { Module *mi = (Module *)amodules.data[i]; |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
948 //printf("\t[%d] %s\n", i, mi->toChars()); |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
949 mi->insearch = 0; |
|
b30fe7e1dbb9
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parents:
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diff
changeset
|
950 } |
|
b30fe7e1dbb9
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parents:
986
diff
changeset
|
951 |
|
b30fe7e1dbb9
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parents:
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changeset
|
952 selfimports = imports(this) + 1; |
|
b30fe7e1dbb9
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parents:
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diff
changeset
|
953 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
954 for (int i = 0; i < amodules.dim; i++) |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
955 { Module *mi = (Module *)amodules.data[i]; |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
956 //printf("\t[%d] %s\n", i, mi->toChars()); |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
957 mi->insearch = 0; |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
958 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
959 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
960 return selfimports - 1; |
|
b30fe7e1dbb9
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Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
961 } |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
986
diff
changeset
|
962 |
|
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
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diff
changeset
|
963 |
| 336 | 964 /* =========================== ModuleDeclaration ===================== */ |
| 965 | |
| 966 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 967 { | |
| 968 this->packages = packages; | |
| 969 this->id = id; | |
| 970 } | |
| 971 | |
| 972 char *ModuleDeclaration::toChars() | |
| 973 { | |
| 974 OutBuffer buf; | |
| 975 int i; | |
| 976 | |
| 977 if (packages && packages->dim) | |
| 978 { | |
| 979 for (i = 0; i < packages->dim; i++) | |
| 980 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 981 | |
| 982 buf.writestring(pid->toChars()); | |
| 983 buf.writeByte('.'); | |
| 984 } | |
| 985 } | |
| 986 buf.writestring(id->toChars()); | |
| 987 buf.writeByte(0); | |
| 988 return (char *)buf.extractData(); | |
| 989 } | |
| 990 | |
| 991 /* =========================== Package ===================== */ | |
| 992 | |
| 993 Package::Package(Identifier *ident) | |
| 994 : ScopeDsymbol(ident) | |
| 995 { | |
| 996 } | |
| 997 | |
| 998 | |
| 999 const char *Package::kind() | |
| 1000 { | |
| 1001 return "package"; | |
| 1002 } | |
| 1003 | |
| 1004 | |
| 1005 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 1006 { | |
| 1007 DsymbolTable *dst = Module::modules; | |
| 1008 Dsymbol *parent = NULL; | |
| 1009 | |
| 1010 //printf("Package::resolve()\n"); | |
| 1011 if (ppkg) | |
| 1012 *ppkg = NULL; | |
| 1013 | |
| 1014 if (packages) | |
| 1015 { int i; | |
| 1016 | |
| 1017 for (i = 0; i < packages->dim; i++) | |
| 1018 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 1019 Dsymbol *p; | |
| 1020 | |
| 1021 p = dst->lookup(pid); | |
| 1022 if (!p) | |
| 1023 { | |
| 1024 p = new Package(pid); | |
| 1025 dst->insert(p); | |
| 1026 p->parent = parent; | |
| 1027 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 1028 } | |
| 1029 else | |
| 1030 { | |
| 1031 assert(p->isPackage()); | |
| 1032 if (p->isModule()) | |
| 1033 { p->error("module and package have the same name"); | |
| 1034 fatal(); | |
| 1035 break; | |
| 1036 } | |
| 1037 } | |
| 1038 parent = p; | |
| 1039 dst = ((Package *)p)->symtab; | |
| 1040 if (ppkg && !*ppkg) | |
| 1041 *ppkg = (Package *)p; | |
| 1042 } | |
| 1043 if (pparent) | |
| 1044 { | |
| 1045 *pparent = parent; | |
| 1046 } | |
| 1047 } | |
| 1048 return dst; | |
| 1049 } |