Mercurial > projects > ldc
annotate dmd/module.c @ 986:a8cb25d478c4
Use LLVM-style command line (instead of DMD-style)
Note: For a backward compatible interface, use the new bin/ldmd script. It
supports all old options while passing on anything it doesn't recognize.
Some changes caused by this:
* -debug and -version are now -d-debug and -d-version due to a conflict with
standard LLVM options.
* All "flag" options now allow an optional =true/=1/=false/=0 suffix.
* Some "hidden debug switches" starting with "--" were renamed because LLVM
doesn't care about the number of dashes, so they were conflicting with other
options (such as -c).
The new versions start with "-hidden-debug-" instead of "--"
* --help works, but has a non-zero exit code. This breaks some Tango scripts
which use it to test for compiler existence. See tango.patch.
Some changes not (directly) caused by this;
* (-enable/-disable)-FOO options are now available for pre- and postconditions.
* -march is used instead of -m (like other LLVM programs), but -m is an alias
for it.
* -defaultlib, -debuglib, -d-debug and -d-version allow comma-separated values.
The effect should be identical to specifying the same option multiple times.
I decided against allowing these for some other options because paths might
contain commas on some systems.
* -fPIC is removed in favor of the standard LLVM option -relocation-model=pic
Bug:
* If -run is specified as the last argument in DFLAGS, no error is generated.
(Not very serious IMHO)
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Wed, 25 Feb 2009 17:34:51 +0100 |
| parents | 31bbc7f3b817 |
| children | b30fe7e1dbb9 |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2007 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 #include <assert.h> | |
| 14 | |
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15 #if (defined (__SVR4) && defined (__sun)) |
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16 #include <alloca.h> |
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17 #endif |
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18 |
| 336 | 19 #if _MSC_VER || __MINGW32__ |
| 20 #include <malloc.h> | |
| 21 #endif | |
| 22 | |
| 23 #if IN_GCC | |
| 24 #include "gdc_alloca.h" | |
| 25 #endif | |
| 26 | |
| 27 #include "mem.h" | |
| 28 | |
| 29 #include "mars.h" | |
| 30 #include "module.h" | |
| 31 #include "parse.h" | |
| 32 #include "scope.h" | |
| 33 #include "identifier.h" | |
| 34 #include "id.h" | |
| 35 #include "import.h" | |
| 36 #include "dsymbol.h" | |
| 37 #include "hdrgen.h" | |
| 38 #include "lexer.h" | |
| 39 | |
| 40 #define MARS 1 | |
| 41 #include "html.h" | |
| 42 | |
| 43 #ifdef IN_GCC | |
| 44 #include "d-dmd-gcc.h" | |
| 45 #endif | |
| 46 | |
|
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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 | |
| 91 insearch = 0; | |
| 92 searchCacheIdent = NULL; | |
| 93 searchCacheSymbol = NULL; | |
| 94 searchCacheFlags = 0; | |
| 95 semanticstarted = 0; | |
| 96 semanticdone = 0; | |
| 97 decldefs = NULL; | |
| 98 vmoduleinfo = NULL; | |
| 99 massert = NULL; | |
| 100 marray = NULL; | |
| 101 sictor = NULL; | |
| 102 sctor = NULL; | |
| 103 sdtor = NULL; | |
| 104 stest = NULL; | |
| 105 sfilename = NULL; | |
| 106 root = 0; | |
| 107 importedFrom = NULL; | |
| 108 srcfile = NULL; | |
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109 objfile = NULL; |
| 336 | 110 docfile = NULL; |
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111 hdrfile = NULL; |
| 336 | 112 |
| 113 debuglevel = 0; | |
| 114 debugids = NULL; | |
| 115 debugidsNot = NULL; | |
| 116 versionlevel = 0; | |
| 117 versionids = NULL; | |
| 118 versionidsNot = NULL; | |
| 119 | |
| 120 macrotable = NULL; | |
| 121 escapetable = NULL; | |
| 122 doppelganger = 0; | |
| 123 cov = NULL; | |
| 124 covb = NULL; | |
| 125 | |
| 126 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
| 127 if (!srcfilename->equalsExt(global.mars_ext) && | |
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128 !srcfilename->equalsExt(global.hdr_ext) && |
| 336 | 129 !srcfilename->equalsExt("dd")) |
| 130 { | |
| 131 if (srcfilename->equalsExt("html") || | |
| 132 srcfilename->equalsExt("htm") || | |
| 133 srcfilename->equalsExt("xhtml")) | |
| 134 isHtml = 1; | |
| 135 else | |
| 136 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
| 137 fatal(); | |
| 138 } | |
| 139 } | |
| 140 srcfile = new File(srcfilename); | |
| 141 | |
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142 // LDC |
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143 llvmForceLogging = false; |
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144 this->doDocComment = doDocComment; |
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145 this->doHdrGen = doHdrGen; |
| 336 | 146 } |
| 147 | |
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148 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
| 336 | 149 { |
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150 char *argobj; |
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151 if (forcename) |
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152 argobj = forcename; |
| 336 | 153 else |
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154 { |
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155 if (preservePaths) |
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156 argobj = (char*)this->arg; |
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157 else |
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158 argobj = FileName::name((char*)this->arg); |
| 336 | 159 |
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160 if (fqnNames) |
| 643 | 161 { |
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162 if(md) |
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163 argobj = FileName::replaceName(argobj, md->toChars()); |
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164 else |
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165 argobj = FileName::replaceName(argobj, toChars()); |
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166 |
| 643 | 167 // add ext, otherwise forceExt will make nested.module into nested.bc |
| 168 size_t len = strlen(argobj); | |
| 169 size_t extlen = strlen(ext); | |
| 170 char* s = (char *)alloca(len + 1 + extlen + 1); | |
| 171 memcpy(s, argobj, len); | |
| 172 s[len] = '.'; | |
| 173 memcpy(s + len + 1, ext, extlen + 1); | |
| 174 s[len+1+extlen] = 0; | |
| 175 argobj = s; | |
| 176 } | |
| 336 | 177 } |
| 178 | |
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179 if (!FileName::absolute(argobj)) |
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180 { |
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181 argobj = FileName::combine(path, argobj); |
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182 } |
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183 |
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184 FileName::ensurePathExists(FileName::path(argobj)); |
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185 |
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186 // always append the extension! otherwise hard to make output switches consistent |
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187 // if (forcename) |
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188 // return new File(argobj); |
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189 // else |
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190 // allow for .o and .obj on windows |
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191 #if _WIN32 |
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192 if (ext == global.params.objdir && FileName::ext(argobj) |
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193 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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194 return new File(argobj); |
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195 #endif |
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196 return new File(FileName::forceExt(argobj, ext)); |
| 336 | 197 } |
| 198 | |
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199 void Module::buildTargetFiles() |
| 336 | 200 { |
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201 if(objfile && |
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202 (!doDocComment || docfile) && |
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203 (!doHdrGen || hdrfile)) |
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204 return; |
| 336 | 205 |
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206 if(!objfile) |
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207 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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208 if(doDocComment && !docfile) |
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209 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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210 if(doHdrGen && !hdrfile) |
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211 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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212 |
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213 // safety check: never allow obj, doc or hdr file to have the source file's name |
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214 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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215 { |
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216 error("Output object files with the same name as the source file are forbidden"); |
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217 fatal(); |
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218 } |
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219 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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220 { |
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221 error("Output doc files with the same name as the source file are forbidden"); |
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222 fatal(); |
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223 } |
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224 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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225 { |
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226 error("Output header files with the same name as the source file are forbidden"); |
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227 fatal(); |
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228 } |
| 336 | 229 } |
| 230 | |
| 231 void Module::deleteObjFile() | |
| 232 { | |
| 233 if (global.params.obj) | |
| 234 objfile->remove(); | |
| 235 //if (global.params.llvmBC) | |
|
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236 //bcfile->remove(); |
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237 if (doDocComment && docfile) |
| 336 | 238 docfile->remove(); |
| 239 } | |
| 240 | |
| 241 Module::~Module() | |
| 242 { | |
| 243 } | |
| 244 | |
| 245 const char *Module::kind() | |
| 246 { | |
| 247 return "module"; | |
| 248 } | |
| 249 | |
| 250 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
| 251 { Module *m; | |
| 252 char *filename; | |
| 253 | |
| 254 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
| 255 | |
| 256 // Build module filename by turning: | |
| 257 // foo.bar.baz | |
| 258 // into: | |
| 259 // foo\bar\baz | |
| 260 filename = ident->toChars(); | |
| 261 if (packages && packages->dim) | |
| 262 { | |
| 263 OutBuffer buf; | |
| 264 int i; | |
| 265 | |
| 266 for (i = 0; i < packages->dim; i++) | |
| 267 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 268 | |
| 269 buf.writestring(pid->toChars()); | |
| 270 #if _WIN32 | |
| 271 buf.writeByte('\\'); | |
| 272 #else | |
| 273 buf.writeByte('/'); | |
| 274 #endif | |
| 275 } | |
| 276 buf.writestring(filename); | |
| 277 buf.writeByte(0); | |
| 278 filename = (char *)buf.extractData(); | |
| 279 } | |
| 280 | |
| 281 m = new Module(filename, ident, 0, 0); | |
| 282 m->loc = loc; | |
| 283 | |
| 284 /* Search along global.path for .di file, then .d file. | |
| 285 */ | |
| 286 char *result = NULL; | |
| 287 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
| 288 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
| 289 char *sdi = fdi->toChars(); | |
| 290 char *sd = fd->toChars(); | |
| 291 | |
| 292 if (FileName::exists(sdi)) | |
| 293 result = sdi; | |
| 294 else if (FileName::exists(sd)) | |
| 295 result = sd; | |
| 296 else if (FileName::absolute(filename)) | |
| 297 ; | |
| 298 else if (!global.path) | |
| 299 ; | |
| 300 else | |
| 301 { | |
| 302 for (size_t i = 0; i < global.path->dim; i++) | |
| 303 { | |
| 304 char *p = (char *)global.path->data[i]; | |
| 305 char *n = FileName::combine(p, sdi); | |
| 306 if (FileName::exists(n)) | |
| 307 { result = n; | |
| 308 break; | |
| 309 } | |
| 310 mem.free(n); | |
| 311 n = FileName::combine(p, sd); | |
| 312 if (FileName::exists(n)) | |
| 313 { result = n; | |
| 314 break; | |
| 315 } | |
| 316 mem.free(n); | |
| 317 } | |
| 318 } | |
| 319 if (result) | |
| 320 m->srcfile = new File(result); | |
| 321 | |
| 322 if (global.params.verbose) | |
| 323 { | |
| 324 printf("import "); | |
| 325 if (packages) | |
| 326 { | |
| 327 for (size_t i = 0; i < packages->dim; i++) | |
| 328 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 329 printf("%s.", pid->toChars()); | |
| 330 } | |
| 331 } | |
| 332 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
| 333 } | |
| 334 | |
| 335 m->read(loc); | |
| 336 m->parse(); | |
| 337 | |
| 338 #ifdef IN_GCC | |
| 339 d_gcc_magic_module(m); | |
| 340 #endif | |
| 341 | |
| 342 return m; | |
| 343 } | |
| 344 | |
| 345 void Module::read(Loc loc) | |
| 346 { | |
| 347 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
| 348 if (srcfile->read()) | |
| 349 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
| 350 fatal(); | |
| 351 } | |
| 352 } | |
| 353 | |
| 354 inline unsigned readwordLE(unsigned short *p) | |
| 355 { | |
| 356 #if __I86__ | |
| 357 return *p; | |
| 358 #else | |
| 359 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
| 360 #endif | |
| 361 } | |
| 362 | |
| 363 inline unsigned readwordBE(unsigned short *p) | |
| 364 { | |
| 365 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
| 366 } | |
| 367 | |
| 368 inline unsigned readlongLE(unsigned *p) | |
| 369 { | |
| 370 #if __I86__ | |
| 371 return *p; | |
| 372 #else | |
| 373 return ((unsigned char *)p)[0] | | |
| 374 (((unsigned char *)p)[1] << 8) | | |
| 375 (((unsigned char *)p)[2] << 16) | | |
| 376 (((unsigned char *)p)[3] << 24); | |
| 377 #endif | |
| 378 } | |
| 379 | |
| 380 inline unsigned readlongBE(unsigned *p) | |
| 381 { | |
| 382 return ((unsigned char *)p)[3] | | |
| 383 (((unsigned char *)p)[2] << 8) | | |
| 384 (((unsigned char *)p)[1] << 16) | | |
| 385 (((unsigned char *)p)[0] << 24); | |
| 386 } | |
| 387 | |
| 388 #if IN_GCC | |
| 389 void Module::parse(bool dump_source) | |
| 390 #else | |
| 391 void Module::parse() | |
| 392 #endif | |
| 393 { char *srcname; | |
| 394 unsigned char *buf; | |
| 395 unsigned buflen; | |
| 396 unsigned le; | |
| 397 unsigned bom; | |
| 398 | |
| 399 //printf("Module::parse()\n"); | |
| 400 | |
| 401 srcname = srcfile->name->toChars(); | |
| 402 //printf("Module::parse(srcname = '%s')\n", srcname); | |
| 403 | |
| 404 buf = srcfile->buffer; | |
| 405 buflen = srcfile->len; | |
| 406 | |
| 407 if (buflen >= 2) | |
| 408 { | |
| 409 /* Convert all non-UTF-8 formats to UTF-8. | |
| 410 * BOM : http://www.unicode.org/faq/utf_bom.html | |
| 411 * 00 00 FE FF UTF-32BE, big-endian | |
| 412 * FF FE 00 00 UTF-32LE, little-endian | |
| 413 * FE FF UTF-16BE, big-endian | |
| 414 * FF FE UTF-16LE, little-endian | |
| 415 * EF BB BF UTF-8 | |
| 416 */ | |
| 417 | |
| 418 bom = 1; // assume there's a BOM | |
| 419 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
| 420 { | |
| 421 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
| 422 { // UTF-32LE | |
| 423 le = 1; | |
| 424 | |
| 425 Lutf32: | |
| 426 OutBuffer dbuf; | |
| 427 unsigned *pu = (unsigned *)(buf); | |
| 428 unsigned *pumax = &pu[buflen / 4]; | |
| 429 | |
| 430 if (buflen & 3) | |
| 431 { error("odd length of UTF-32 char source %u", buflen); | |
| 432 fatal(); | |
| 433 } | |
| 434 | |
| 435 dbuf.reserve(buflen / 4); | |
| 436 for (pu += bom; pu < pumax; pu++) | |
| 437 { unsigned u; | |
| 438 | |
| 439 u = le ? readlongLE(pu) : readlongBE(pu); | |
| 440 if (u & ~0x7F) | |
| 441 { | |
| 442 if (u > 0x10FFFF) | |
| 443 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
| 444 fatal(); | |
| 445 } | |
| 446 dbuf.writeUTF8(u); | |
| 447 } | |
| 448 else | |
| 449 dbuf.writeByte(u); | |
| 450 } | |
| 451 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 452 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 453 buf = (unsigned char *) dbuf.extractData(); | |
| 454 } | |
| 455 else | |
| 456 { // UTF-16LE (X86) | |
| 457 // Convert it to UTF-8 | |
| 458 le = 1; | |
| 459 | |
| 460 Lutf16: | |
| 461 OutBuffer dbuf; | |
| 462 unsigned short *pu = (unsigned short *)(buf); | |
| 463 unsigned short *pumax = &pu[buflen / 2]; | |
| 464 | |
| 465 if (buflen & 1) | |
| 466 { error("odd length of UTF-16 char source %u", buflen); | |
| 467 fatal(); | |
| 468 } | |
| 469 | |
| 470 dbuf.reserve(buflen / 2); | |
| 471 for (pu += bom; pu < pumax; pu++) | |
| 472 { unsigned u; | |
| 473 | |
| 474 u = le ? readwordLE(pu) : readwordBE(pu); | |
| 475 if (u & ~0x7F) | |
| 476 { if (u >= 0xD800 && u <= 0xDBFF) | |
| 477 { unsigned u2; | |
| 478 | |
| 479 if (++pu > pumax) | |
| 480 { error("surrogate UTF-16 high value %04x at EOF", u); | |
| 481 fatal(); | |
| 482 } | |
| 483 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
| 484 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
| 485 { error("surrogate UTF-16 low value %04x out of range", u2); | |
| 486 fatal(); | |
| 487 } | |
| 488 u = (u - 0xD7C0) << 10; | |
| 489 u |= (u2 - 0xDC00); | |
| 490 } | |
| 491 else if (u >= 0xDC00 && u <= 0xDFFF) | |
| 492 { error("unpaired surrogate UTF-16 value %04x", u); | |
| 493 fatal(); | |
| 494 } | |
| 495 else if (u == 0xFFFE || u == 0xFFFF) | |
| 496 { error("illegal UTF-16 value %04x", u); | |
| 497 fatal(); | |
| 498 } | |
| 499 dbuf.writeUTF8(u); | |
| 500 } | |
| 501 else | |
| 502 dbuf.writeByte(u); | |
| 503 } | |
| 504 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
| 505 buflen = dbuf.offset - 1; // don't include sentinel in count | |
| 506 buf = (unsigned char *) dbuf.extractData(); | |
| 507 } | |
| 508 } | |
| 509 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
| 510 { // UTF-16BE | |
| 511 le = 0; | |
| 512 goto Lutf16; | |
| 513 } | |
| 514 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
| 515 { // UTF-32BE | |
| 516 le = 0; | |
| 517 goto Lutf32; | |
| 518 } | |
| 519 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
| 520 { // UTF-8 | |
| 521 | |
| 522 buf += 3; | |
| 523 buflen -= 3; | |
| 524 } | |
| 525 else | |
| 526 { | |
| 527 /* There is no BOM. Make use of Arcane Jill's insight that | |
| 528 * the first char of D source must be ASCII to | |
| 529 * figure out the encoding. | |
| 530 */ | |
| 531 | |
| 532 bom = 0; | |
| 533 if (buflen >= 4) | |
| 534 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
| 535 { // UTF-32LE | |
| 536 le = 1; | |
| 537 goto Lutf32; | |
| 538 } | |
| 539 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
| 540 { // UTF-32BE | |
| 541 le = 0; | |
| 542 goto Lutf32; | |
| 543 } | |
| 544 } | |
| 545 if (buflen >= 2) | |
| 546 { | |
| 547 if (buf[1] == 0) | |
| 548 { // UTF-16LE | |
| 549 le = 1; | |
| 550 goto Lutf16; | |
| 551 } | |
| 552 else if (buf[0] == 0) | |
| 553 { // UTF-16BE | |
| 554 le = 0; | |
| 555 goto Lutf16; | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 // It's UTF-8 | |
| 560 if (buf[0] >= 0x80) | |
| 561 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
| 562 fatal(); | |
| 563 } | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 #ifdef IN_GCC | |
| 568 // dump utf-8 encoded source | |
| 569 if (dump_source) | |
| 570 { // %% srcname could contain a path ... | |
| 571 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
| 572 } | |
| 573 #endif | |
| 574 | |
| 575 /* If it starts with the string "Ddoc", then it's a documentation | |
| 576 * source file. | |
| 577 */ | |
| 578 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
| 579 { | |
| 580 comment = buf + 4; | |
| 581 isDocFile = 1; | |
| 582 return; | |
| 583 } | |
| 584 if (isHtml) | |
| 585 { | |
| 586 OutBuffer *dbuf = new OutBuffer(); | |
| 587 Html h(srcname, buf, buflen); | |
| 588 h.extractCode(dbuf); | |
| 589 buf = dbuf->data; | |
| 590 buflen = dbuf->offset; | |
| 591 #ifdef IN_GCC | |
| 592 // dump extracted source | |
| 593 if (dump_source) | |
| 594 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
| 595 #endif | |
| 596 } | |
| 597 Parser p(this, buf, buflen, docfile != NULL); | |
| 598 p.nextToken(); | |
| 599 members = p.parseModule(); | |
| 600 md = p.md; | |
| 601 numlines = p.loc.linnum; | |
| 602 | |
| 603 DsymbolTable *dst; | |
| 604 | |
| 605 if (md) | |
| 606 { this->ident = md->id; | |
| 607 dst = Package::resolve(md->packages, &this->parent, NULL); | |
| 608 } | |
| 609 else | |
| 610 { | |
| 611 dst = modules; | |
| 612 | |
| 613 /* Check to see if module name is a valid identifier | |
| 614 */ | |
| 615 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
| 616 error("has non-identifier characters in filename, use module declaration instead"); | |
| 617 } | |
| 618 | |
| 619 // Update global list of modules | |
| 620 if (!dst->insert(this)) | |
| 621 { | |
| 622 if (md) | |
| 623 error(loc, "is in multiple packages %s", md->toChars()); | |
| 624 else | |
| 625 error(loc, "is in multiple defined"); | |
| 626 } | |
| 627 else | |
| 628 { | |
| 629 amodules.push(this); | |
| 630 } | |
| 631 } | |
| 632 | |
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633 void Module::semantic(Scope* unused_sc) |
| 336 | 634 { int i; |
| 635 | |
| 636 if (semanticstarted) | |
| 637 return; | |
| 638 | |
| 639 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 640 semanticstarted = 1; | |
| 641 | |
| 642 // Note that modules get their own scope, from scratch. | |
| 643 // This is so regardless of where in the syntax a module | |
| 644 // gets imported, it is unaffected by context. | |
| 645 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 646 | |
| 647 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
| 648 | |
| 649 // Add import of "object" if this module isn't "object" | |
| 650 if (ident != Id::object) | |
| 651 { | |
| 652 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
| 653 members->shift(im); | |
| 654 } | |
| 655 | |
| 656 // Add all symbols into module's symbol table | |
| 657 symtab = new DsymbolTable(); | |
| 658 for (i = 0; i < members->dim; i++) | |
| 659 { Dsymbol *s; | |
| 660 | |
| 661 s = (Dsymbol *)members->data[i]; | |
| 662 s->addMember(NULL, sc->scopesym, 1); | |
| 663 } | |
| 664 | |
| 665 // Pass 1 semantic routines: do public side of the definition | |
| 666 for (i = 0; i < members->dim; i++) | |
| 667 { Dsymbol *s; | |
| 668 | |
| 669 s = (Dsymbol *)members->data[i]; | |
| 670 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
| 671 s->semantic(sc); | |
| 672 runDeferredSemantic(); | |
| 673 } | |
| 674 | |
| 675 sc = sc->pop(); | |
| 676 sc->pop(); | |
| 677 semanticdone = semanticstarted; | |
| 678 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
| 679 } | |
| 680 | |
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681 void Module::semantic2(Scope* unused_sc) |
| 336 | 682 { int i; |
| 683 | |
| 684 if (deferred.dim) | |
| 685 { | |
| 686 for (int i = 0; i < deferred.dim; i++) | |
| 687 { | |
| 688 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 689 | |
| 690 sd->error("unable to resolve forward reference in definition"); | |
| 691 } | |
| 692 return; | |
| 693 } | |
| 694 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 695 if (semanticstarted >= 2) | |
| 696 return; | |
| 697 assert(semanticstarted == 1); | |
| 698 semanticstarted = 2; | |
| 699 | |
| 700 // Note that modules get their own scope, from scratch. | |
| 701 // This is so regardless of where in the syntax a module | |
| 702 // gets imported, it is unaffected by context. | |
| 703 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 704 //printf("Module = %p\n", sc.scopesym); | |
| 705 | |
| 706 // Pass 2 semantic routines: do initializers and function bodies | |
| 707 for (i = 0; i < members->dim; i++) | |
| 708 { Dsymbol *s; | |
| 709 | |
| 710 s = (Dsymbol *)members->data[i]; | |
| 711 s->semantic2(sc); | |
| 712 } | |
| 713 | |
| 714 sc = sc->pop(); | |
| 715 sc->pop(); | |
| 716 semanticdone = semanticstarted; | |
| 717 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
| 718 } | |
| 719 | |
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720 void Module::semantic3(Scope* unused_sc) |
| 336 | 721 { int i; |
| 722 | |
| 723 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
| 724 if (semanticstarted >= 3) | |
| 725 return; | |
| 726 assert(semanticstarted == 2); | |
| 727 semanticstarted = 3; | |
| 728 | |
| 729 // Note that modules get their own scope, from scratch. | |
| 730 // This is so regardless of where in the syntax a module | |
| 731 // gets imported, it is unaffected by context. | |
| 732 Scope *sc = Scope::createGlobal(this); // create root scope | |
| 733 //printf("Module = %p\n", sc.scopesym); | |
| 734 | |
| 735 // Pass 3 semantic routines: do initializers and function bodies | |
| 736 for (i = 0; i < members->dim; i++) | |
| 737 { Dsymbol *s; | |
| 738 | |
| 739 s = (Dsymbol *)members->data[i]; | |
| 740 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
| 741 s->semantic3(sc); | |
| 742 } | |
| 743 | |
| 744 sc = sc->pop(); | |
| 745 sc->pop(); | |
| 746 semanticdone = semanticstarted; | |
| 747 } | |
| 748 | |
| 749 void Module::inlineScan() | |
| 750 { int i; | |
| 751 | |
| 752 if (semanticstarted >= 4) | |
| 753 return; | |
| 754 assert(semanticstarted == 3); | |
| 755 semanticstarted = 4; | |
| 756 | |
| 757 // Note that modules get their own scope, from scratch. | |
| 758 // This is so regardless of where in the syntax a module | |
| 759 // gets imported, it is unaffected by context. | |
| 760 //printf("Module = %p\n", sc.scopesym); | |
| 761 | |
| 762 for (i = 0; i < members->dim; i++) | |
| 763 { Dsymbol *s; | |
| 764 | |
| 765 s = (Dsymbol *)members->data[i]; | |
| 766 //if (global.params.verbose) | |
| 767 //printf("inline scan symbol %s\n", s->toChars()); | |
| 768 | |
| 769 s->inlineScan(); | |
| 770 } | |
| 771 semanticdone = semanticstarted; | |
| 772 } | |
| 773 | |
| 774 /**************************************************** | |
| 775 */ | |
| 776 | |
|
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777 // is this used anywhere? |
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|
778 /* |
| 336 | 779 void Module::gensymfile() |
| 780 { | |
| 781 OutBuffer buf; | |
| 782 HdrGenState hgs; | |
| 783 | |
| 784 //printf("Module::gensymfile()\n"); | |
| 785 | |
| 786 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
| 787 buf.writenl(); | |
| 788 | |
| 789 for (int i = 0; i < members->dim; i++) | |
| 790 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
| 791 | |
| 792 s->toCBuffer(&buf, &hgs); | |
| 793 } | |
| 794 | |
| 795 // Transfer image to file | |
| 796 symfile->setbuffer(buf.data, buf.offset); | |
| 797 buf.data = NULL; | |
| 798 | |
| 799 symfile->writev(); | |
|
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800 }*/ |
| 336 | 801 |
| 802 /********************************** | |
| 803 * Determine if we need to generate an instance of ModuleInfo | |
| 804 * for this Module. | |
| 805 */ | |
| 806 | |
| 807 int Module::needModuleInfo() | |
| 808 { | |
|
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809 return needmoduleinfo; |
| 336 | 810 } |
| 811 | |
| 812 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
| 813 { | |
| 814 /* Since modules can be circularly referenced, | |
| 815 * need to stop infinite recursive searches. | |
| 816 */ | |
| 817 | |
| 818 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
| 819 Dsymbol *s; | |
| 820 if (insearch) | |
| 821 s = NULL; | |
| 822 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
| 823 s = searchCacheSymbol; | |
| 824 else | |
| 825 { | |
| 826 insearch = 1; | |
| 827 s = ScopeDsymbol::search(loc, ident, flags); | |
| 828 insearch = 0; | |
| 829 | |
| 830 searchCacheIdent = ident; | |
| 831 searchCacheSymbol = s; | |
| 832 searchCacheFlags = flags; | |
| 833 } | |
| 834 return s; | |
| 835 } | |
| 836 | |
| 837 /******************************************* | |
| 838 * Can't run semantic on s now, try again later. | |
| 839 */ | |
| 840 | |
| 841 void Module::addDeferredSemantic(Dsymbol *s) | |
| 842 { | |
| 843 // Don't add it if it is already there | |
| 844 for (int i = 0; i < deferred.dim; i++) | |
| 845 { | |
| 846 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
| 847 | |
| 848 if (sd == s) | |
| 849 return; | |
| 850 } | |
| 851 | |
| 852 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
| 853 deferred.push(s); | |
| 854 } | |
| 855 | |
| 856 | |
| 857 /****************************************** | |
| 858 * Run semantic() on deferred symbols. | |
| 859 */ | |
| 860 | |
| 861 void Module::runDeferredSemantic() | |
| 862 { | |
| 863 size_t len; | |
| 864 | |
| 865 static int nested; | |
| 866 if (nested) | |
| 867 return; | |
| 868 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 869 nested++; | |
| 870 | |
| 871 do | |
| 872 { | |
| 873 dprogress = 0; | |
| 874 len = deferred.dim; | |
| 875 if (!len) | |
| 876 break; | |
| 877 | |
| 878 Dsymbol **todo; | |
| 879 Dsymbol *tmp; | |
| 880 if (len == 1) | |
| 881 { | |
| 882 todo = &tmp; | |
| 883 } | |
| 884 else | |
| 885 { | |
| 886 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
| 887 assert(todo); | |
| 888 } | |
| 889 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
| 890 deferred.setDim(0); | |
| 891 | |
| 892 for (int i = 0; i < len; i++) | |
| 893 { | |
| 894 Dsymbol *s = todo[i]; | |
| 895 | |
| 896 s->semantic(NULL); | |
| 897 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
| 898 } | |
| 899 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
| 900 } while (deferred.dim < len || dprogress); // while making progress | |
| 901 nested--; | |
| 902 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
| 903 } | |
| 904 | |
|
875
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905 /************************************ |
|
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906 * Recursively look at every module this module imports, |
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907 * return TRUE if it imports m. |
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908 * Can be used to detect circular imports. |
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909 */ |
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910 |
|
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911 int Module::imports(Module *m) |
|
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912 { |
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913 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
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914 int aimports_dim = aimports.dim; |
|
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915 #if 0 |
|
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916 for (int i = 0; i < aimports.dim; i++) |
|
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917 { Module *mi = (Module *)aimports.data[i]; |
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918 printf("\t[%d] %s\n", i, mi->toChars()); |
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diff
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919 } |
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920 #endif |
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921 for (int i = 0; i < aimports.dim; i++) |
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922 { Module *mi = (Module *)aimports.data[i]; |
|
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923 if (mi == m) |
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924 return TRUE; |
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925 if (!mi->insearch) |
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926 { |
|
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927 mi->insearch = 1; |
|
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928 int r = mi->imports(m); |
|
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929 mi->insearch = 0; |
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930 if (r) |
|
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931 return r; |
|
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diff
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932 } |
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933 } |
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934 return FALSE; |
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diff
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|
935 } |
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936 |
| 336 | 937 /* =========================== ModuleDeclaration ===================== */ |
| 938 | |
| 939 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
| 940 { | |
| 941 this->packages = packages; | |
| 942 this->id = id; | |
| 943 } | |
| 944 | |
| 945 char *ModuleDeclaration::toChars() | |
| 946 { | |
| 947 OutBuffer buf; | |
| 948 int i; | |
| 949 | |
| 950 if (packages && packages->dim) | |
| 951 { | |
| 952 for (i = 0; i < packages->dim; i++) | |
| 953 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 954 | |
| 955 buf.writestring(pid->toChars()); | |
| 956 buf.writeByte('.'); | |
| 957 } | |
| 958 } | |
| 959 buf.writestring(id->toChars()); | |
| 960 buf.writeByte(0); | |
| 961 return (char *)buf.extractData(); | |
| 962 } | |
| 963 | |
| 964 /* =========================== Package ===================== */ | |
| 965 | |
| 966 Package::Package(Identifier *ident) | |
| 967 : ScopeDsymbol(ident) | |
| 968 { | |
| 969 } | |
| 970 | |
| 971 | |
| 972 const char *Package::kind() | |
| 973 { | |
| 974 return "package"; | |
| 975 } | |
| 976 | |
| 977 | |
| 978 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
| 979 { | |
| 980 DsymbolTable *dst = Module::modules; | |
| 981 Dsymbol *parent = NULL; | |
| 982 | |
| 983 //printf("Package::resolve()\n"); | |
| 984 if (ppkg) | |
| 985 *ppkg = NULL; | |
| 986 | |
| 987 if (packages) | |
| 988 { int i; | |
| 989 | |
| 990 for (i = 0; i < packages->dim; i++) | |
| 991 { Identifier *pid = (Identifier *)packages->data[i]; | |
| 992 Dsymbol *p; | |
| 993 | |
| 994 p = dst->lookup(pid); | |
| 995 if (!p) | |
| 996 { | |
| 997 p = new Package(pid); | |
| 998 dst->insert(p); | |
| 999 p->parent = parent; | |
| 1000 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
| 1001 } | |
| 1002 else | |
| 1003 { | |
| 1004 assert(p->isPackage()); | |
| 1005 if (p->isModule()) | |
| 1006 { p->error("module and package have the same name"); | |
| 1007 fatal(); | |
| 1008 break; | |
| 1009 } | |
| 1010 } | |
| 1011 parent = p; | |
| 1012 dst = ((Package *)p)->symtab; | |
| 1013 if (ppkg && !*ppkg) | |
| 1014 *ppkg = (Package *)p; | |
| 1015 } | |
| 1016 if (pparent) | |
| 1017 { | |
| 1018 *pparent = parent; | |
| 1019 } | |
| 1020 } | |
| 1021 return dst; | |
| 1022 } |