Mercurial > projects > ldc
annotate dmd/module.c @ 1587:def7a1d494fd
Merge DMD 1.051
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Fri, 06 Nov 2009 23:58:01 +0100 |
| parents | 68dea5bae9e9 |
| children | 44b145be2ef5 |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Compiler implementation of the D programming language | |
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3 // Copyright (c) 1999-2009 by Digital Mars |
| 336 | 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 |
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19 #if defined(_MSC_VER) || defined(__MINGW32__) |
| 336 | 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 #include <map> |
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50 |
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51 static llvm::cl::opt<bool> preservePaths("op", |
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52 llvm::cl::desc("Do not strip paths from source file"), |
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53 llvm::cl::ZeroOrMore); |
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54 |
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55 static llvm::cl::opt<bool> fqnNames("oq", |
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56 llvm::cl::desc("Write object files with fully qualified names"), |
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57 llvm::cl::ZeroOrMore); |
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58 |
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59 |
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60 |
| 336 | 61 ClassDeclaration *Module::moduleinfo; |
| 62 | |
| 63 Module *Module::rootModule; | |
| 64 DsymbolTable *Module::modules; | |
| 65 Array Module::amodules; | |
| 66 | |
| 67 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
| 68 unsigned Module::dprogress; | |
| 69 | |
| 70 void Module::init() | |
| 71 { | |
| 72 modules = new DsymbolTable(); | |
| 73 } | |
| 74 | |
| 75 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
| 76 : Package(ident) | |
| 77 { | |
| 78 FileName *srcfilename; | |
| 79 | |
| 80 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
| 81 this->arg = filename; | |
| 82 md = NULL; | |
| 83 errors = 0; | |
| 84 numlines = 0; | |
| 85 members = NULL; | |
| 86 isHtml = 0; | |
| 87 isDocFile = 0; | |
| 88 needmoduleinfo = 0; | |
| 89 #ifdef IN_GCC | |
| 90 strictlyneedmoduleinfo = 0; | |
| 91 #endif | |
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92 selfimports = 0; |
| 336 | 93 insearch = 0; |
| 94 searchCacheIdent = NULL; | |
| 95 searchCacheSymbol = NULL; | |
| 96 searchCacheFlags = 0; | |
| 97 semanticstarted = 0; | |
| 1587 | 98 semanticRun = 0; |
| 336 | 99 decldefs = NULL; |
| 100 vmoduleinfo = NULL; | |
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101 #if IN_DMD |
| 336 | 102 massert = NULL; |
| 103 marray = NULL; | |
| 104 sictor = NULL; | |
| 105 sctor = NULL; | |
| 106 sdtor = NULL; | |
| 107 stest = NULL; | |
| 108 sfilename = NULL; | |
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109 #endif |
| 336 | 110 root = 0; |
| 111 importedFrom = NULL; | |
| 112 srcfile = NULL; | |
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113 objfile = NULL; |
| 336 | 114 docfile = NULL; |
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115 hdrfile = NULL; |
| 336 | 116 |
| 117 debuglevel = 0; | |
| 118 debugids = NULL; | |
| 119 debugidsNot = NULL; | |
| 120 versionlevel = 0; | |
| 121 versionids = NULL; | |
| 122 versionidsNot = NULL; | |
| 123 | |
| 124 macrotable = NULL; | |
| 125 escapetable = NULL; | |
| 1587 | 126 safe = FALSE; |
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127 #if IN_DMD |
| 336 | 128 doppelganger = 0; |
| 129 cov = NULL; | |
| 130 covb = NULL; | |
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131 #endif |
| 336 | 132 |
| 133 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 134 if (!srcfilename->equalsExt(global.mars_ext) && | |
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135 !srcfilename->equalsExt(global.hdr_ext) && |
| 336 | 136 !srcfilename->equalsExt("dd")) |
| 137 { | |
| 138 if (srcfilename->equalsExt("html") || | |
| 139 srcfilename->equalsExt("htm") || | |
| 140 srcfilename->equalsExt("xhtml")) | |
| 141 isHtml = 1; | |
| 142 else | |
| 143 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 144 fatal(); | |
| 145 } | |
| 146 } | |
| 147 srcfile = new File(srcfilename); | |
| 148 | |
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149 // LDC |
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150 llvmForceLogging = false; |
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151 this->doDocComment = doDocComment; |
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152 this->doHdrGen = doHdrGen; |
| 336 | 153 } |
| 154 | |
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155 File* Module::buildFilePath(const char* forcename, const char* path, const char* ext) |
| 336 | 156 { |
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157 const char *argobj; |
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158 if (forcename) |
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159 argobj = forcename; |
| 336 | 160 else |
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161 { |
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162 if (preservePaths) |
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163 argobj = (char*)this->arg; |
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164 else |
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165 argobj = FileName::name((char*)this->arg); |
| 336 | 166 |
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167 if (fqnNames) |
| 643 | 168 { |
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169 if(md) |
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170 argobj = FileName::replaceName((char*)argobj, md->toChars()); |
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171 else |
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172 argobj = FileName::replaceName((char*)argobj, toChars()); |
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173 |
| 643 | 174 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 175 size_t len = strlen(argobj); | |
| 176 size_t extlen = strlen(ext); | |
| 177 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 178 memcpy(s, argobj, len); | |
| 179 s[len] = '.'; | |
| 180 memcpy(s + len + 1, ext, extlen + 1); | |
| 181 s[len+1+extlen] = 0; | |
| 182 argobj = s; | |
| 183 } | |
| 336 | 184 } |
| 185 | |
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186 if (!FileName::absolute(argobj)) |
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187 { |
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188 argobj = FileName::combine(path, argobj); |
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189 } |
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190 |
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191 FileName::ensurePathExists(FileName::path(argobj)); |
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192 |
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193 // always append the extension! otherwise hard to make output switches consistent |
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194 // if (forcename) |
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195 // return new File(argobj); |
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196 // else |
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197 // allow for .o and .obj on windows |
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198 #if _WIN32 |
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199 if (ext == global.params.objdir && FileName::ext(argobj) |
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200 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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201 return new File((char*)argobj); |
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202 #endif |
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203 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 204 } |
| 205 | |
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206 // LDC |
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207 static void check_and_add_output_file(Module* NewMod, const std::string& str) |
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208 { |
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209 typedef std::map<std::string, Module*> map_t; |
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210 static map_t files; |
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211 |
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212 map_t::iterator i = files.find(str); |
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213 if (i != files.end()) |
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214 { |
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215 Module* ThisMod = i->second; |
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216 error("Output file '%s' for module '%s' collides with previous module '%s'. See the -oq option", |
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217 str.c_str(), NewMod->toPrettyChars(), ThisMod->toPrettyChars()); |
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218 fatal(); |
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219 } |
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220 files.insert(std::make_pair(str, NewMod)); |
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221 } |
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222 |
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223 void Module::buildTargetFiles() |
| 336 | 224 { |
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225 if(objfile && |
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226 (!doDocComment || docfile) && |
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227 (!doHdrGen || hdrfile)) |
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228 return; |
| 336 | 229 |
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230 if(!objfile) |
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231 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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232 if(doDocComment && !docfile) |
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233 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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234 if(doHdrGen && !hdrfile) |
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235 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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236 |
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237 // safety check: never allow obj, doc or hdr file to have the source file's name |
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238 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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239 { |
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240 error("Output object files with the same name as the source file are forbidden"); |
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241 fatal(); |
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242 } |
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243 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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244 { |
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245 error("Output doc files with the same name as the source file are forbidden"); |
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246 fatal(); |
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247 } |
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248 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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249 { |
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250 error("Output header files with the same name as the source file are forbidden"); |
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251 fatal(); |
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252 } |
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253 |
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254 // LDC |
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255 // another safety check to make sure we don't overwrite previous output files |
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256 check_and_add_output_file(this, objfile->name->str); |
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257 if (docfile) |
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258 check_and_add_output_file(this, docfile->name->str); |
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259 if (hdrfile) |
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260 check_and_add_output_file(this, hdrfile->name->str); |
| 336 | 261 } |
| 262 | |
| 263 void Module::deleteObjFile() | |
| 264 { | |
| 265 if (global.params.obj) | |
| 266 objfile->remove(); | |
| 267 //if (global.params.llvmBC) | |
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268 //bcfile->remove(); |
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269 if (doDocComment && docfile) |
| 336 | 270 docfile->remove(); |
| 271 } | |
| 272 | |
| 273 Module::~Module() | |
| 274 { | |
| 275 } | |
| 276 | |
| 277 const char *Module::kind() | |
| 278 { | |
| 279 return "module"; | |
| 280 } | |
| 281 | |
| 282 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 283 { Module *m; | |
| 284 char *filename; | |
| 285 | |
| 286 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 287 | |
| 288 // Build module filename by turning: | |
| 289 // foo.bar.baz | |
| 290 // into: | |
| 291 // foo\bar\baz | |
| 292 filename = ident->toChars(); | |
| 293 if (packages && packages->dim) | |
| 294 { | |
| 295 OutBuffer buf; | |
| 296 int i; | |
| 297 | |
| 298 for (i = 0; i < packages->dim; i++) | |
| 299 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 300 | |
| 301 buf.writestring(pid->toChars()); | |
| 302 #if _WIN32 | |
| 303 buf.writeByte('\\'); | |
| 304 #else | |
| 305 buf.writeByte('/'); | |
| 306 #endif | |
| 307 } | |
| 308 buf.writestring(filename); | |
| 309 buf.writeByte(0); | |
| 310 filename = (char *)buf.extractData(); | |
| 311 } | |
| 312 | |
| 313 m = new Module(filename, ident, 0, 0); | |
| 314 m->loc = loc; | |
| 315 | |
| 316 /* Search along global.path for .di file, then .d file. | |
| 317 */ | |
| 318 char *result = NULL; | |
| 319 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 320 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 321 char *sdi = fdi->toChars(); | |
| 322 char *sd = fd->toChars(); | |
| 323 | |
| 324 if (FileName::exists(sdi)) | |
| 325 result = sdi; | |
| 326 else if (FileName::exists(sd)) | |
| 327 result = sd; | |
| 328 else if (FileName::absolute(filename)) | |
| 329 ; | |
| 330 else if (!global.path) | |
| 331 ; | |
| 332 else | |
| 333 { | |
| 334 for (size_t i = 0; i < global.path->dim; i++) | |
| 335 { | |
| 336 char *p = (char *)global.path->data[i]; | |
| 337 char *n = FileName::combine(p, sdi); | |
| 338 if (FileName::exists(n)) | |
| 339 { result = n; | |
| 340 break; | |
| 341 } | |
| 342 mem.free(n); | |
| 343 n = FileName::combine(p, sd); | |
| 344 if (FileName::exists(n)) | |
| 345 { result = n; | |
| 346 break; | |
| 347 } | |
| 348 mem.free(n); | |
| 349 } | |
| 350 } | |
| 351 if (result) | |
| 352 m->srcfile = new File(result); | |
| 353 | |
| 354 if (global.params.verbose) | |
| 355 { | |
| 356 printf("import "); | |
| 357 if (packages) | |
| 358 { | |
| 359 for (size_t i = 0; i < packages->dim; i++) | |
| 360 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 361 printf("%s.", pid->toChars()); | |
| 362 } | |
| 363 } | |
| 364 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 365 } | |
| 366 | |
| 367 m->read(loc); | |
| 368 m->parse(); | |
| 369 | |
| 370 #ifdef IN_GCC | |
| 371 d_gcc_magic_module(m); | |
| 372 #endif | |
| 373 | |
| 374 return m; | |
| 375 } | |
| 376 | |
| 377 void Module::read(Loc loc) | |
| 378 { | |
| 379 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 380 if (srcfile->read()) | |
| 381 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 382 fatal(); | |
| 383 } | |
| 384 } | |
| 385 | |
| 386 inline unsigned readwordLE(unsigned short *p) | |
| 387 { | |
| 388 #if __I86__ | |
| 389 return *p; | |
| 390 #else | |
| 391 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 392 #endif | |
| 393 } | |
| 394 | |
| 395 inline unsigned readwordBE(unsigned short *p) | |
| 396 { | |
| 397 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 398 } | |
| 399 | |
| 400 inline unsigned readlongLE(unsigned *p) | |
| 401 { | |
| 402 #if __I86__ | |
| 403 return *p; | |
| 404 #else | |
| 405 return ((unsigned char *)p)[0] | | |
| 406 (((unsigned char *)p)[1] << 8) | | |
| 407 (((unsigned char *)p)[2] << 16) | | |
| 408 (((unsigned char *)p)[3] << 24); | |
| 409 #endif | |
| 410 } | |
| 411 | |
| 412 inline unsigned readlongBE(unsigned *p) | |
| 413 { | |
| 414 return ((unsigned char *)p)[3] | | |
| 415 (((unsigned char *)p)[2] << 8) | | |
| 416 (((unsigned char *)p)[1] << 16) | | |
| 417 (((unsigned char *)p)[0] << 24); | |
| 418 } | |
| 419 | |
| 420 #if IN_GCC | |
| 421 void Module::parse(bool dump_source) | |
| 422 #else | |
| 423 void Module::parse() | |
| 424 #endif | |
| 425 { char *srcname; | |
| 426 unsigned char *buf; | |
| 427 unsigned buflen; | |
| 428 unsigned le; | |
| 429 unsigned bom; | |
| 430 | |
| 431 //printf("Module::parse()\n"); | |
| 432 | |
| 433 srcname = srcfile->name->toChars(); | |
| 434 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 435 | |
| 436 buf = srcfile->buffer; | |
| 437 buflen = srcfile->len; | |
| 438 | |
| 439 if (buflen >= 2) | |
| 440 { | |
| 441 /* Convert all non-UTF-8 formats to UTF-8. | |
| 442 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 443 * 00 00 FE FF UTF-32BE, big-endian | |
| 444 * FF FE 00 00 UTF-32LE, little-endian | |
| 445 * FE FF UTF-16BE, big-endian | |
| 446 * FF FE UTF-16LE, little-endian | |
| 447 * EF BB BF UTF-8 | |
| 448 */ | |
| 449 | |
| 450 bom = 1; // assume there's a BOM | |
| 451 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 452 { | |
| 453 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 454 { // UTF-32LE | |
| 455 le = 1; | |
| 456 | |
| 457 Lutf32: | |
| 458 OutBuffer dbuf; | |
| 459 unsigned *pu = (unsigned *)(buf); | |
| 460 unsigned *pumax = &pu[buflen / 4]; | |
| 461 | |
| 462 if (buflen & 3) | |
| 463 { error("odd length of UTF-32 char source %u", buflen); | |
| 464 fatal(); | |
| 465 } | |
| 466 | |
| 467 dbuf.reserve(buflen / 4); | |
| 468 for (pu += bom; pu < pumax; pu++) | |
| 469 { unsigned u; | |
| 470 | |
| 471 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 472 if (u & ~0x7F) | |
| 473 { | |
| 474 if (u > 0x10FFFF) | |
| 475 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 476 fatal(); | |
| 477 } | |
| 478 dbuf.writeUTF8(u); | |
| 479 } | |
| 480 else | |
| 481 dbuf.writeByte(u); | |
| 482 } | |
| 483 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 484 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 485 buf = (unsigned char *) dbuf.extractData(); | |
| 486 } | |
| 487 else | |
| 488 { // UTF-16LE (X86) | |
| 489 // Convert it to UTF-8 | |
| 490 le = 1; | |
| 491 | |
| 492 Lutf16: | |
| 493 OutBuffer dbuf; | |
| 494 unsigned short *pu = (unsigned short *)(buf); | |
| 495 unsigned short *pumax = &pu[buflen / 2]; | |
| 496 | |
| 497 if (buflen & 1) | |
| 498 { error("odd length of UTF-16 char source %u", buflen); | |
| 499 fatal(); | |
| 500 } | |
| 501 | |
| 502 dbuf.reserve(buflen / 2); | |
| 503 for (pu += bom; pu < pumax; pu++) | |
| 504 { unsigned u; | |
| 505 | |
| 506 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 507 if (u & ~0x7F) | |
| 508 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 509 { unsigned u2; | |
| 510 | |
| 511 if (++pu > pumax) | |
| 512 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 513 fatal(); | |
| 514 } | |
| 515 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 516 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 517 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 518 fatal(); | |
| 519 } | |
| 520 u = (u - 0xD7C0) << 10; | |
| 521 u |= (u2 - 0xDC00); | |
| 522 } | |
| 523 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 524 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 525 fatal(); | |
| 526 } | |
| 527 else if (u == 0xFFFE || u == 0xFFFF) | |
| 528 { error("illegal UTF-16 value %04x", u); | |
| 529 fatal(); | |
| 530 } | |
| 531 dbuf.writeUTF8(u); | |
| 532 } | |
| 533 else | |
| 534 dbuf.writeByte(u); | |
| 535 } | |
| 536 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 537 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 538 buf = (unsigned char *) dbuf.extractData(); | |
| 539 } | |
| 540 } | |
| 541 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 542 { // UTF-16BE | |
| 543 le = 0; | |
| 544 goto Lutf16; | |
| 545 } | |
| 546 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 547 { // UTF-32BE | |
| 548 le = 0; | |
| 549 goto Lutf32; | |
| 550 } | |
| 551 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 552 { // UTF-8 | |
| 553 | |
| 554 buf += 3; | |
| 555 buflen -= 3; | |
| 556 } | |
| 557 else | |
| 558 { | |
| 559 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 560 * the first char of D source must be ASCII to | |
| 561 * figure out the encoding. | |
| 562 */ | |
| 563 | |
| 564 bom = 0; | |
| 565 if (buflen >= 4) | |
| 566 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 567 { // UTF-32LE | |
| 568 le = 1; | |
| 569 goto Lutf32; | |
| 570 } | |
| 571 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 572 { // UTF-32BE | |
| 573 le = 0; | |
| 574 goto Lutf32; | |
| 575 } | |
| 576 } | |
| 577 if (buflen >= 2) | |
| 578 { | |
| 579 if (buf[1] == 0) | |
| 580 { // UTF-16LE | |
| 581 le = 1; | |
| 582 goto Lutf16; | |
| 583 } | |
| 584 else if (buf[0] == 0) | |
| 585 { // UTF-16BE | |
| 586 le = 0; | |
| 587 goto Lutf16; | |
| 588 } | |
| 589 } | |
| 590 | |
| 591 // It's UTF-8 | |
| 592 if (buf[0] >= 0x80) | |
| 593 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 594 fatal(); | |
| 595 } | |
| 596 } | |
| 597 } | |
| 598 | |
| 599 #ifdef IN_GCC | |
|
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600 // dump utf-8 encoded source |
| 336 | 601 if (dump_source) |
| 602 { // %% srcname could contain a path ... | |
| 603 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 604 } | |
| 605 #endif | |
| 606 | |
| 607 /* If it starts with the string "Ddoc", then it's a documentation | |
| 608 * source file. | |
| 609 */ | |
| 610 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 611 { | |
| 612 comment = buf + 4; | |
| 613 isDocFile = 1; | |
| 614 return; | |
| 615 } | |
| 616 if (isHtml) | |
| 617 { | |
| 618 OutBuffer *dbuf = new OutBuffer(); | |
| 619 Html h(srcname, buf, buflen); | |
| 620 h.extractCode(dbuf); | |
| 621 buf = dbuf->data; | |
| 622 buflen = dbuf->offset; | |
| 623 #ifdef IN_GCC | |
| 624 // dump extracted source | |
| 625 if (dump_source) | |
| 626 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 627 #endif | |
| 628 } | |
| 629 Parser p(this, buf, buflen, docfile != NULL); | |
| 630 p.nextToken(); | |
| 631 members = p.parseModule(); | |
| 632 md = p.md; | |
| 633 numlines = p.loc.linnum; | |
| 634 | |
| 635 DsymbolTable *dst; | |
| 636 | |
| 637 if (md) | |
| 638 { this->ident = md->id; | |
| 639 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 640 } | |
| 641 else | |
| 642 { | |
| 643 dst = modules; | |
| 644 | |
| 645 /* Check to see if module name is a valid identifier | |
| 646 */ | |
| 647 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 648 error("has non-identifier characters in filename, use module declaration instead"); | |
| 649 } | |
| 650 | |
| 651 // Update global list of modules | |
| 652 if (!dst->insert(this)) | |
| 653 { | |
| 654 if (md) | |
| 655 error(loc, "is in multiple packages %s", md->toChars()); | |
| 656 else | |
| 657 error(loc, "is in multiple defined"); | |
| 658 } | |
| 659 else | |
| 660 { | |
| 661 amodules.push(this); | |
| 662 } | |
| 663 } | |
| 664 | |
| 1587 | 665 void Module::importAll(Scope *prevsc) |
| 666 { | |
| 667 //printf("+Module::importAll(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 668 | |
| 669 if (scope) | |
| 670 return; // already done | |
| 671 | |
| 672 /* Note that modules get their own scope, from scratch. | |
| 673 * This is so regardless of where in the syntax a module | |
| 674 * gets imported, it is unaffected by context. | |
| 675 * Ignore prevsc. | |
| 676 */ | |
| 677 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 678 | |
| 679 // Add import of "object" if this module isn't "object" | |
| 680 if (ident != Id::object) | |
| 681 { | |
| 682 if (members->dim == 0 || ((Dsymbol *)members->data[0])->ident != Id::object) | |
| 683 { | |
| 684 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 685 members->shift(im); | |
| 686 } | |
| 687 } | |
| 336 | 688 |
| 1587 | 689 if (!symtab) |
| 690 { | |
| 691 // Add all symbols into module's symbol table | |
| 692 symtab = new DsymbolTable(); | |
| 693 for (int i = 0; i < members->dim; i++) | |
| 694 { | |
| 695 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 696 s->addMember(NULL, sc->scopesym, 1); | |
| 697 } | |
| 698 } | |
| 699 // anything else should be run after addMember, so version/debug symbols are defined | |
| 700 | |
| 701 /* Set scope for the symbols so that if we forward reference | |
| 702 * a symbol, it can possibly be resolved on the spot. | |
| 703 * If this works out well, it can be extended to all modules | |
| 704 * before any semantic() on any of them. | |
| 705 */ | |
| 706 setScope(sc); // remember module scope for semantic | |
| 707 for (int i = 0; i < members->dim; i++) | |
| 708 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 709 s->setScope(sc); | |
| 710 } | |
| 711 | |
| 712 for (int i = 0; i < members->dim; i++) | |
| 713 { | |
| 714 Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 715 s->importAll(sc); | |
| 716 } | |
| 717 | |
| 718 sc = sc->pop(); | |
| 719 sc->pop(); // 2 pops because Scope::createGlobal() created 2 | |
| 720 } | |
| 721 | |
| 722 void Module::semantic(Scope *unused_sc) | |
| 723 { | |
| 336 | 724 if (semanticstarted) |
| 725 return; | |
| 726 | |
| 727 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 728 semanticstarted = 1; | |
| 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. | |
| 1587 | 733 Scope *sc = scope; // see if already got one from importAll() |
| 734 if (!sc) | |
| 735 { printf("test2\n"); | |
| 736 Scope::createGlobal(this); // create root scope | |
| 737 } | |
| 336 | 738 |
| 739 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 740 | |
| 1587 | 741 #if 0 |
| 336 | 742 // Add import of "object" if this module isn't "object" |
| 743 if (ident != Id::object) | |
| 744 { | |
| 745 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 746 members->shift(im); | |
| 747 } | |
| 748 | |
| 749 // Add all symbols into module's symbol table | |
| 750 symtab = new DsymbolTable(); | |
| 1587 | 751 for (int i = 0; i < members->dim; i++) |
| 752 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 336 | 753 s->addMember(NULL, sc->scopesym, 1); |
| 754 } | |
| 755 | |
| 1587 | 756 /* Set scope for the symbols so that if we forward reference |
| 757 * a symbol, it can possibly be resolved on the spot. | |
| 758 * If this works out well, it can be extended to all modules | |
| 759 * before any semantic() on any of them. | |
| 760 */ | |
| 761 for (int i = 0; i < members->dim; i++) | |
| 762 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 763 s->setScope(sc); | |
| 764 } | |
| 765 #endif | |
| 766 | |
| 336 | 767 // Pass 1 semantic routines: do public side of the definition |
| 1587 | 768 for (int i = 0; i < members->dim; i++) |
| 769 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 336 | 770 |
| 771 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 772 s->semantic(sc); | |
| 773 runDeferredSemantic(); | |
| 774 } | |
| 775 | |
| 1587 | 776 if (!scope) |
| 777 { sc = sc->pop(); | |
| 778 sc->pop(); // 2 pops because Scope::createGlobal() created 2 | |
| 779 } | |
| 780 semanticRun = semanticstarted; | |
| 336 | 781 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); |
| 782 } | |
| 783 | |
|
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784 void Module::semantic2(Scope* unused_sc) |
| 336 | 785 { int i; |
| 786 | |
| 787 if (deferred.dim) | |
| 788 { | |
| 789 for (int i = 0; i < deferred.dim; i++) | |
| 790 { | |
| 791 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 792 | |
| 793 sd->error("unable to resolve forward reference in definition"); | |
| 794 } | |
| 795 return; | |
| 796 } | |
| 797 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 798 if (semanticstarted >= 2) | |
| 799 return; | |
| 800 assert(semanticstarted == 1); | |
| 801 semanticstarted = 2; | |
| 802 | |
| 803 // Note that modules get their own scope, from scratch. | |
| 804 // This is so regardless of where in the syntax a module | |
| 805 // gets imported, it is unaffected by context. | |
| 806 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 807 //printf("Module = %p\n", sc.scopesym); | |
| 808 | |
| 809 // Pass 2 semantic routines: do initializers and function bodies | |
| 810 for (i = 0; i < members->dim; i++) | |
| 811 { Dsymbol *s; | |
| 812 | |
| 813 s = (Dsymbol *)members->data[i]; | |
| 814 s->semantic2(sc); | |
| 815 } | |
| 816 | |
| 817 sc = sc->pop(); | |
| 818 sc->pop(); | |
| 1587 | 819 semanticRun = semanticstarted; |
| 336 | 820 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); |
| 821 } | |
| 822 | |
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823 void Module::semantic3(Scope* unused_sc) |
| 336 | 824 { int i; |
| 825 | |
| 826 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 827 if (semanticstarted >= 3) | |
| 828 return; | |
| 829 assert(semanticstarted == 2); | |
| 830 semanticstarted = 3; | |
| 831 | |
| 832 // Note that modules get their own scope, from scratch. | |
| 833 // This is so regardless of where in the syntax a module | |
| 834 // gets imported, it is unaffected by context. | |
| 835 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 836 //printf("Module = %p\n", sc.scopesym); | |
| 837 | |
| 838 // Pass 3 semantic routines: do initializers and function bodies | |
| 839 for (i = 0; i < members->dim; i++) | |
| 840 { Dsymbol *s; | |
| 841 | |
| 842 s = (Dsymbol *)members->data[i]; | |
| 843 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 844 s->semantic3(sc); | |
| 845 } | |
| 846 | |
| 847 sc = sc->pop(); | |
| 848 sc->pop(); | |
| 1587 | 849 semanticRun = semanticstarted; |
| 336 | 850 } |
| 851 | |
| 852 void Module::inlineScan() | |
| 1587 | 853 { |
| 336 | 854 if (semanticstarted >= 4) |
| 855 return; | |
| 856 assert(semanticstarted == 3); | |
| 857 semanticstarted = 4; | |
| 858 | |
| 859 // Note that modules get their own scope, from scratch. | |
| 860 // This is so regardless of where in the syntax a module | |
| 861 // gets imported, it is unaffected by context. | |
| 862 //printf("Module = %p\n", sc.scopesym); | |
| 863 | |
| 1587 | 864 for (int i = 0; i < members->dim; i++) |
| 865 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 336 | 866 //if (global.params.verbose) |
| 867 //printf("inline scan symbol %s\n", s->toChars()); | |
| 868 | |
| 869 s->inlineScan(); | |
| 870 } | |
| 1587 | 871 semanticRun = semanticstarted; |
| 336 | 872 } |
| 873 | |
| 874 /**************************************************** | |
| 875 */ | |
| 876 | |
|
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877 // is this used anywhere? |
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878 /* |
| 336 | 879 void Module::gensymfile() |
| 880 { | |
| 881 OutBuffer buf; | |
| 882 HdrGenState hgs; | |
| 883 | |
| 884 //printf("Module::gensymfile()\n"); | |
| 885 | |
| 886 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 887 buf.writenl(); | |
| 888 | |
| 889 for (int i = 0; i < members->dim; i++) | |
| 890 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 891 | |
| 892 s->toCBuffer(&buf, &hgs); | |
| 893 } | |
| 894 | |
| 895 // Transfer image to file | |
| 896 symfile->setbuffer(buf.data, buf.offset); | |
| 897 buf.data = NULL; | |
| 898 | |
| 899 symfile->writev(); | |
|
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900 }*/ |
| 336 | 901 |
| 902 /********************************** | |
| 903 * Determine if we need to generate an instance of ModuleInfo | |
| 904 * for this Module. | |
| 905 */ | |
| 906 | |
| 907 int Module::needModuleInfo() | |
| 908 { | |
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909 return needmoduleinfo; |
| 336 | 910 } |
| 911 | |
| 912 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 913 { | |
| 914 /* Since modules can be circularly referenced, | |
| 915 * need to stop infinite recursive searches. | |
| 1587 | 916 * This is done with the cache. |
| 336 | 917 */ |
| 918 | |
| 919 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 920 Dsymbol *s; | |
| 921 if (insearch) | |
| 922 s = NULL; | |
| 923 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 1587 | 924 { |
| 336 | 925 s = searchCacheSymbol; |
| 1587 | 926 //printf("%s Module::search('%s', flags = %d) insearch = %d searchCacheSymbol = %s\n", toChars(), ident->toChars(), flags, insearch, searchCacheSymbol ? searchCacheSymbol->toChars() : "null"); |
| 927 } | |
| 336 | 928 else |
| 929 { | |
| 930 insearch = 1; | |
| 931 s = ScopeDsymbol::search(loc, ident, flags); | |
| 932 insearch = 0; | |
| 933 | |
| 934 searchCacheIdent = ident; | |
| 935 searchCacheSymbol = s; | |
| 936 searchCacheFlags = flags; | |
| 937 } | |
| 938 return s; | |
| 939 } | |
| 940 | |
| 1587 | 941 Dsymbol *Module::symtabInsert(Dsymbol *s) |
| 942 { | |
| 943 searchCacheIdent = 0; // symbol is inserted, so invalidate cache | |
| 944 return Package::symtabInsert(s); | |
| 945 } | |
| 946 | |
| 947 | |
| 336 | 948 /******************************************* |
| 949 * Can't run semantic on s now, try again later. | |
| 950 */ | |
| 951 | |
| 952 void Module::addDeferredSemantic(Dsymbol *s) | |
| 953 { | |
| 954 // Don't add it if it is already there | |
| 955 for (int i = 0; i < deferred.dim; i++) | |
| 956 { | |
| 957 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 958 | |
| 959 if (sd == s) | |
| 960 return; | |
| 961 } | |
| 962 | |
| 963 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 964 deferred.push(s); | |
| 965 } | |
| 966 | |
| 967 | |
| 968 /****************************************** | |
| 969 * Run semantic() on deferred symbols. | |
| 970 */ | |
| 971 | |
| 972 void Module::runDeferredSemantic() | |
| 973 { | |
| 974 size_t len; | |
| 975 | |
| 976 static int nested; | |
| 977 if (nested) | |
| 978 return; | |
| 979 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 980 nested++; | |
| 981 | |
| 982 do | |
| 983 { | |
| 984 dprogress = 0; | |
| 985 len = deferred.dim; | |
| 986 if (!len) | |
| 987 break; | |
| 988 | |
| 989 Dsymbol **todo; | |
| 990 Dsymbol *tmp; | |
| 991 if (len == 1) | |
| 992 { | |
| 993 todo = &tmp; | |
| 994 } | |
| 995 else | |
| 996 { | |
| 997 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 998 assert(todo); | |
| 999 } | |
| 1000 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 1001 deferred.setDim(0); | |
| 1002 | |
| 1003 for (int i = 0; i < len; i++) | |
| 1004 { | |
| 1005 Dsymbol *s = todo[i]; | |
| 1006 | |
| 1007 s->semantic(NULL); | |
| 1008 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 1009 } | |
| 1010 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 1011 } while (deferred.dim < len || dprogress); // while making progress | |
| 1012 nested--; | |
| 1013 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 1014 } | |
| 1015 | |
|
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1016 /************************************ |
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1017 * Recursively look at every module this module imports, |
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1018 * return TRUE if it imports m. |
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1019 * Can be used to detect circular imports. |
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1020 */ |
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1021 |
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1022 int Module::imports(Module *m) |
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1023 { |
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1024 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
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1025 int aimports_dim = aimports.dim; |
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1026 #if 0 |
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1027 for (int i = 0; i < aimports.dim; i++) |
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1028 { Module *mi = (Module *)aimports.data[i]; |
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1029 printf("\t[%d] %s\n", i, mi->toChars()); |
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1030 } |
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1031 #endif |
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1032 for (int i = 0; i < aimports.dim; i++) |
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1033 { Module *mi = (Module *)aimports.data[i]; |
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1034 if (mi == m) |
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1035 return TRUE; |
|
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1036 if (!mi->insearch) |
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1037 { |
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1038 mi->insearch = 1; |
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1039 int r = mi->imports(m); |
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1040 if (r) |
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1041 return r; |
|
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1042 } |
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1043 } |
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1044 return FALSE; |
|
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1045 } |
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1046 |
|
1103
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1047 /************************************* |
|
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1048 * Return !=0 if module imports itself. |
|
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1049 */ |
|
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1050 |
|
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1051 int Module::selfImports() |
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1052 { |
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1053 //printf("Module::selfImports() %s\n", toChars()); |
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1054 if (!selfimports) |
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1055 { |
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1056 for (int i = 0; i < amodules.dim; i++) |
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1057 { Module *mi = (Module *)amodules.data[i]; |
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1058 //printf("\t[%d] %s\n", i, mi->toChars()); |
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1059 mi->insearch = 0; |
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1060 } |
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1061 |
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1062 selfimports = imports(this) + 1; |
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1063 |
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1064 for (int i = 0; i < amodules.dim; i++) |
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1065 { Module *mi = (Module *)amodules.data[i]; |
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1066 //printf("\t[%d] %s\n", i, mi->toChars()); |
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1067 mi->insearch = 0; |
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1068 } |
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1069 } |
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1070 return selfimports - 1; |
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1071 } |
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1072 |
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1073 |
| 336 | 1074 /* =========================== ModuleDeclaration ===================== */ |
| 1075 | |
| 1076 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 1077 { | |
| 1078 this->packages = packages; | |
| 1079 this->id = id; | |
| 1080 } | |
| 1081 | |
| 1082 char *ModuleDeclaration::toChars() | |
| 1083 { | |
| 1084 OutBuffer buf; | |
| 1085 int i; | |
| 1086 | |
| 1087 if (packages && packages->dim) | |
| 1088 { | |
| 1089 for (i = 0; i < packages->dim; i++) | |
| 1090 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 1091 | |
| 1092 buf.writestring(pid->toChars()); | |
| 1093 buf.writeByte('.'); | |
| 1094 } | |
| 1095 } | |
| 1096 buf.writestring(id->toChars()); | |
| 1097 buf.writeByte(0); | |
| 1098 return (char *)buf.extractData(); | |
| 1099 } | |
| 1100 | |
| 1101 /* =========================== Package ===================== */ | |
| 1102 | |
| 1103 Package::Package(Identifier *ident) | |
| 1104 : ScopeDsymbol(ident) | |
| 1105 { | |
| 1106 } | |
| 1107 | |
| 1108 | |
| 1109 const char *Package::kind() | |
| 1110 { | |
| 1111 return "package"; | |
| 1112 } | |
| 1113 | |
| 1114 | |
| 1115 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 1116 { | |
| 1117 DsymbolTable *dst = Module::modules; | |
| 1118 Dsymbol *parent = NULL; | |
| 1119 | |
| 1120 //printf("Package::resolve()\n"); | |
| 1121 if (ppkg) | |
| 1122 *ppkg = NULL; | |
| 1123 | |
| 1124 if (packages) | |
| 1125 { int i; | |
| 1126 | |
| 1127 for (i = 0; i < packages->dim; i++) | |
| 1128 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 1129 Dsymbol *p; | |
| 1130 | |
| 1131 p = dst->lookup(pid); | |
| 1132 if (!p) | |
| 1133 { | |
| 1134 p = new Package(pid); | |
| 1135 dst->insert(p); | |
| 1136 p->parent = parent; | |
| 1137 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 1138 } | |
| 1139 else | |
| 1140 { | |
| 1141 assert(p->isPackage()); | |
| 1587 | 1142 #if TARGET_NET //dot net needs modules and packages with same name |
| 1143 #else | |
| 336 | 1144 if (p->isModule()) |
| 1145 { p->error("module and package have the same name"); | |
| 1146 fatal(); | |
| 1147 break; | |
| 1148 } | |
| 1587 | 1149 #endif |
| 336 | 1150 } |
| 1151 parent = p; | |
| 1152 dst = ((Package *)p)->symtab; | |
| 1153 if (ppkg && !*ppkg) | |
| 1154 *ppkg = (Package *)p; | |
| 1155 } | |
| 1156 if (pparent) | |
| 1157 { | |
| 1158 *pparent = parent; | |
| 1159 } | |
| 1160 } | |
| 1161 return dst; | |
| 1162 } |