Mercurial > projects > ldc
annotate dmd/module.c @ 692:e6b5e742daa5
Trivial change, just checking pushing auth.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 12 Oct 2008 18:11:30 +0200 |
parents | bfe5229f9d8e |
children | fd5665da3a27 |
rev | line source |
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336 | 1 |
2 // Compiler implementation of the D programming language | |
3 // Copyright (c) 1999-2007 by Digital Mars | |
4 // All Rights Reserved | |
5 // written by Walter Bright | |
6 // http://www.digitalmars.com | |
7 // License for redistribution is by either the Artistic License | |
8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
9 // See the included readme.txt for details. | |
10 | |
11 #include <stdio.h> | |
12 #include <stdlib.h> | |
13 #include <assert.h> | |
14 | |
15 #if _MSC_VER || __MINGW32__ | |
16 #include <malloc.h> | |
17 #endif | |
18 | |
19 #if IN_GCC | |
20 #include "gdc_alloca.h" | |
21 #endif | |
22 | |
23 #include "mem.h" | |
24 | |
25 #include "mars.h" | |
26 #include "module.h" | |
27 #include "parse.h" | |
28 #include "scope.h" | |
29 #include "identifier.h" | |
30 #include "id.h" | |
31 #include "import.h" | |
32 #include "dsymbol.h" | |
33 #include "hdrgen.h" | |
34 #include "lexer.h" | |
35 | |
36 #define MARS 1 | |
37 #include "html.h" | |
38 | |
39 #ifdef IN_GCC | |
40 #include "d-dmd-gcc.h" | |
41 #endif | |
42 | |
43 ClassDeclaration *Module::moduleinfo; | |
44 | |
45 Module *Module::rootModule; | |
46 DsymbolTable *Module::modules; | |
47 Array Module::amodules; | |
48 | |
49 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
50 unsigned Module::dprogress; | |
51 | |
52 void Module::init() | |
53 { | |
54 modules = new DsymbolTable(); | |
55 } | |
56 | |
57 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
58 : Package(ident) | |
59 { | |
60 FileName *srcfilename; | |
61 | |
62 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
63 this->arg = filename; | |
64 md = NULL; | |
65 errors = 0; | |
66 numlines = 0; | |
67 members = NULL; | |
68 isHtml = 0; | |
69 isDocFile = 0; | |
70 needmoduleinfo = 0; | |
71 #ifdef IN_GCC | |
72 strictlyneedmoduleinfo = 0; | |
73 #endif | |
74 insearch = 0; | |
75 searchCacheIdent = NULL; | |
76 searchCacheSymbol = NULL; | |
77 searchCacheFlags = 0; | |
78 semanticstarted = 0; | |
79 semanticdone = 0; | |
80 decldefs = NULL; | |
81 vmoduleinfo = NULL; | |
82 massert = NULL; | |
83 marray = NULL; | |
84 sictor = NULL; | |
85 sctor = NULL; | |
86 sdtor = NULL; | |
87 stest = NULL; | |
88 sfilename = NULL; | |
89 root = 0; | |
90 importedFrom = NULL; | |
91 srcfile = NULL; | |
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92 objfile = NULL; |
336 | 93 docfile = NULL; |
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94 hdrfile = NULL; |
336 | 95 |
96 debuglevel = 0; | |
97 debugids = NULL; | |
98 debugidsNot = NULL; | |
99 versionlevel = 0; | |
100 versionids = NULL; | |
101 versionidsNot = NULL; | |
102 | |
103 macrotable = NULL; | |
104 escapetable = NULL; | |
105 doppelganger = 0; | |
106 cov = NULL; | |
107 covb = NULL; | |
108 | |
109 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
110 if (!srcfilename->equalsExt(global.mars_ext) && | |
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111 !srcfilename->equalsExt(global.hdr_ext) && |
336 | 112 !srcfilename->equalsExt("dd")) |
113 { | |
114 if (srcfilename->equalsExt("html") || | |
115 srcfilename->equalsExt("htm") || | |
116 srcfilename->equalsExt("xhtml")) | |
117 isHtml = 1; | |
118 else | |
119 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
120 fatal(); | |
121 } | |
122 } | |
123 srcfile = new File(srcfilename); | |
124 | |
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125 // LDC |
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126 llvmForceLogging = false; |
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127 this->doDocComment = doDocComment; |
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128 this->doHdrGen = doHdrGen; |
336 | 129 } |
130 | |
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131 File* Module::buildFilePath(char* forcename, char* path, char* ext) |
336 | 132 { |
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133 char *argobj; |
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134 if (forcename) |
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135 argobj = forcename; |
336 | 136 else |
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137 { |
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138 if (global.params.preservePaths) |
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139 argobj = (char*)this->arg; |
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140 else |
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141 argobj = FileName::name((char*)this->arg); |
336 | 142 |
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143 if (global.params.fqnNames) |
643 | 144 { |
580
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145 if(md) |
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146 argobj = FileName::replaceName(argobj, md->toChars()); |
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147 else |
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148 argobj = FileName::replaceName(argobj, toChars()); |
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149 |
643 | 150 // add ext, otherwise forceExt will make nested.module into nested.bc |
151 size_t len = strlen(argobj); | |
152 size_t extlen = strlen(ext); | |
153 char* s = (char *)alloca(len + 1 + extlen + 1); | |
154 memcpy(s, argobj, len); | |
155 s[len] = '.'; | |
156 memcpy(s + len + 1, ext, extlen + 1); | |
157 s[len+1+extlen] = 0; | |
158 argobj = s; | |
159 } | |
336 | 160 } |
161 | |
580
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162 if (!FileName::absolute(argobj)) |
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163 { |
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164 argobj = FileName::combine(path, argobj); |
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165 } |
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166 |
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167 FileName::ensurePathExists(FileName::path(argobj)); |
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168 |
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169 if (forcename) |
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170 return new File(argobj); |
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171 else |
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172 return new File(FileName::forceExt(argobj, ext)); |
336 | 173 } |
174 | |
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175 void Module::buildTargetFiles() |
336 | 176 { |
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177 if(objfile && |
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178 (!doDocComment || docfile) && |
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179 (!doHdrGen || hdrfile)) |
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180 return; |
336 | 181 |
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182 if(!objfile) |
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183 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
604
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184 if(doDocComment && !docfile) |
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185 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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186 if(doHdrGen && !hdrfile) |
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187 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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188 |
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189 // safety check: never allow obj, doc or hdr file to have the source file's name |
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190 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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191 { |
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192 error("Output object files with the same name as the source file are forbidden"); |
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193 fatal(); |
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194 } |
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195 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
598
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196 { |
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197 error("Output doc files with the same name as the source file are forbidden"); |
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198 fatal(); |
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199 } |
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200 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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201 { |
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202 error("Output header files with the same name as the source file are forbidden"); |
598
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203 fatal(); |
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204 } |
336 | 205 } |
206 | |
207 void Module::deleteObjFile() | |
208 { | |
209 if (global.params.obj) | |
210 objfile->remove(); | |
211 //if (global.params.llvmBC) | |
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212 //bcfile->remove(); |
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213 if (doDocComment && docfile) |
336 | 214 docfile->remove(); |
215 } | |
216 | |
217 Module::~Module() | |
218 { | |
219 } | |
220 | |
221 const char *Module::kind() | |
222 { | |
223 return "module"; | |
224 } | |
225 | |
226 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
227 { Module *m; | |
228 char *filename; | |
229 | |
230 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
231 | |
232 // Build module filename by turning: | |
233 // foo.bar.baz | |
234 // into: | |
235 // foo\bar\baz | |
236 filename = ident->toChars(); | |
237 if (packages && packages->dim) | |
238 { | |
239 OutBuffer buf; | |
240 int i; | |
241 | |
242 for (i = 0; i < packages->dim; i++) | |
243 { Identifier *pid = (Identifier *)packages->data[i]; | |
244 | |
245 buf.writestring(pid->toChars()); | |
246 #if _WIN32 | |
247 buf.writeByte('\\'); | |
248 #else | |
249 buf.writeByte('/'); | |
250 #endif | |
251 } | |
252 buf.writestring(filename); | |
253 buf.writeByte(0); | |
254 filename = (char *)buf.extractData(); | |
255 } | |
256 | |
257 m = new Module(filename, ident, 0, 0); | |
258 m->loc = loc; | |
259 | |
260 /* Search along global.path for .di file, then .d file. | |
261 */ | |
262 char *result = NULL; | |
263 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
264 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
265 char *sdi = fdi->toChars(); | |
266 char *sd = fd->toChars(); | |
267 | |
268 if (FileName::exists(sdi)) | |
269 result = sdi; | |
270 else if (FileName::exists(sd)) | |
271 result = sd; | |
272 else if (FileName::absolute(filename)) | |
273 ; | |
274 else if (!global.path) | |
275 ; | |
276 else | |
277 { | |
278 for (size_t i = 0; i < global.path->dim; i++) | |
279 { | |
280 char *p = (char *)global.path->data[i]; | |
281 char *n = FileName::combine(p, sdi); | |
282 if (FileName::exists(n)) | |
283 { result = n; | |
284 break; | |
285 } | |
286 mem.free(n); | |
287 n = FileName::combine(p, sd); | |
288 if (FileName::exists(n)) | |
289 { result = n; | |
290 break; | |
291 } | |
292 mem.free(n); | |
293 } | |
294 } | |
295 if (result) | |
296 m->srcfile = new File(result); | |
297 | |
298 if (global.params.verbose) | |
299 { | |
300 printf("import "); | |
301 if (packages) | |
302 { | |
303 for (size_t i = 0; i < packages->dim; i++) | |
304 { Identifier *pid = (Identifier *)packages->data[i]; | |
305 printf("%s.", pid->toChars()); | |
306 } | |
307 } | |
308 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
309 } | |
310 | |
311 m->read(loc); | |
312 m->parse(); | |
313 | |
314 #ifdef IN_GCC | |
315 d_gcc_magic_module(m); | |
316 #endif | |
317 | |
318 return m; | |
319 } | |
320 | |
321 void Module::read(Loc loc) | |
322 { | |
323 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
324 if (srcfile->read()) | |
325 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
326 fatal(); | |
327 } | |
328 } | |
329 | |
330 inline unsigned readwordLE(unsigned short *p) | |
331 { | |
332 #if __I86__ | |
333 return *p; | |
334 #else | |
335 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
336 #endif | |
337 } | |
338 | |
339 inline unsigned readwordBE(unsigned short *p) | |
340 { | |
341 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
342 } | |
343 | |
344 inline unsigned readlongLE(unsigned *p) | |
345 { | |
346 #if __I86__ | |
347 return *p; | |
348 #else | |
349 return ((unsigned char *)p)[0] | | |
350 (((unsigned char *)p)[1] << 8) | | |
351 (((unsigned char *)p)[2] << 16) | | |
352 (((unsigned char *)p)[3] << 24); | |
353 #endif | |
354 } | |
355 | |
356 inline unsigned readlongBE(unsigned *p) | |
357 { | |
358 return ((unsigned char *)p)[3] | | |
359 (((unsigned char *)p)[2] << 8) | | |
360 (((unsigned char *)p)[1] << 16) | | |
361 (((unsigned char *)p)[0] << 24); | |
362 } | |
363 | |
364 #if IN_GCC | |
365 void Module::parse(bool dump_source) | |
366 #else | |
367 void Module::parse() | |
368 #endif | |
369 { char *srcname; | |
370 unsigned char *buf; | |
371 unsigned buflen; | |
372 unsigned le; | |
373 unsigned bom; | |
374 | |
375 //printf("Module::parse()\n"); | |
376 | |
377 srcname = srcfile->name->toChars(); | |
378 //printf("Module::parse(srcname = '%s')\n", srcname); | |
379 | |
380 buf = srcfile->buffer; | |
381 buflen = srcfile->len; | |
382 | |
383 if (buflen >= 2) | |
384 { | |
385 /* Convert all non-UTF-8 formats to UTF-8. | |
386 * BOM : http://www.unicode.org/faq/utf_bom.html | |
387 * 00 00 FE FF UTF-32BE, big-endian | |
388 * FF FE 00 00 UTF-32LE, little-endian | |
389 * FE FF UTF-16BE, big-endian | |
390 * FF FE UTF-16LE, little-endian | |
391 * EF BB BF UTF-8 | |
392 */ | |
393 | |
394 bom = 1; // assume there's a BOM | |
395 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
396 { | |
397 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
398 { // UTF-32LE | |
399 le = 1; | |
400 | |
401 Lutf32: | |
402 OutBuffer dbuf; | |
403 unsigned *pu = (unsigned *)(buf); | |
404 unsigned *pumax = &pu[buflen / 4]; | |
405 | |
406 if (buflen & 3) | |
407 { error("odd length of UTF-32 char source %u", buflen); | |
408 fatal(); | |
409 } | |
410 | |
411 dbuf.reserve(buflen / 4); | |
412 for (pu += bom; pu < pumax; pu++) | |
413 { unsigned u; | |
414 | |
415 u = le ? readlongLE(pu) : readlongBE(pu); | |
416 if (u & ~0x7F) | |
417 { | |
418 if (u > 0x10FFFF) | |
419 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
420 fatal(); | |
421 } | |
422 dbuf.writeUTF8(u); | |
423 } | |
424 else | |
425 dbuf.writeByte(u); | |
426 } | |
427 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
428 buflen = dbuf.offset - 1; // don't include sentinel in count | |
429 buf = (unsigned char *) dbuf.extractData(); | |
430 } | |
431 else | |
432 { // UTF-16LE (X86) | |
433 // Convert it to UTF-8 | |
434 le = 1; | |
435 | |
436 Lutf16: | |
437 OutBuffer dbuf; | |
438 unsigned short *pu = (unsigned short *)(buf); | |
439 unsigned short *pumax = &pu[buflen / 2]; | |
440 | |
441 if (buflen & 1) | |
442 { error("odd length of UTF-16 char source %u", buflen); | |
443 fatal(); | |
444 } | |
445 | |
446 dbuf.reserve(buflen / 2); | |
447 for (pu += bom; pu < pumax; pu++) | |
448 { unsigned u; | |
449 | |
450 u = le ? readwordLE(pu) : readwordBE(pu); | |
451 if (u & ~0x7F) | |
452 { if (u >= 0xD800 && u <= 0xDBFF) | |
453 { unsigned u2; | |
454 | |
455 if (++pu > pumax) | |
456 { error("surrogate UTF-16 high value %04x at EOF", u); | |
457 fatal(); | |
458 } | |
459 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
460 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
461 { error("surrogate UTF-16 low value %04x out of range", u2); | |
462 fatal(); | |
463 } | |
464 u = (u - 0xD7C0) << 10; | |
465 u |= (u2 - 0xDC00); | |
466 } | |
467 else if (u >= 0xDC00 && u <= 0xDFFF) | |
468 { error("unpaired surrogate UTF-16 value %04x", u); | |
469 fatal(); | |
470 } | |
471 else if (u == 0xFFFE || u == 0xFFFF) | |
472 { error("illegal UTF-16 value %04x", u); | |
473 fatal(); | |
474 } | |
475 dbuf.writeUTF8(u); | |
476 } | |
477 else | |
478 dbuf.writeByte(u); | |
479 } | |
480 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
481 buflen = dbuf.offset - 1; // don't include sentinel in count | |
482 buf = (unsigned char *) dbuf.extractData(); | |
483 } | |
484 } | |
485 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
486 { // UTF-16BE | |
487 le = 0; | |
488 goto Lutf16; | |
489 } | |
490 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
491 { // UTF-32BE | |
492 le = 0; | |
493 goto Lutf32; | |
494 } | |
495 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
496 { // UTF-8 | |
497 | |
498 buf += 3; | |
499 buflen -= 3; | |
500 } | |
501 else | |
502 { | |
503 /* There is no BOM. Make use of Arcane Jill's insight that | |
504 * the first char of D source must be ASCII to | |
505 * figure out the encoding. | |
506 */ | |
507 | |
508 bom = 0; | |
509 if (buflen >= 4) | |
510 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
511 { // UTF-32LE | |
512 le = 1; | |
513 goto Lutf32; | |
514 } | |
515 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
516 { // UTF-32BE | |
517 le = 0; | |
518 goto Lutf32; | |
519 } | |
520 } | |
521 if (buflen >= 2) | |
522 { | |
523 if (buf[1] == 0) | |
524 { // UTF-16LE | |
525 le = 1; | |
526 goto Lutf16; | |
527 } | |
528 else if (buf[0] == 0) | |
529 { // UTF-16BE | |
530 le = 0; | |
531 goto Lutf16; | |
532 } | |
533 } | |
534 | |
535 // It's UTF-8 | |
536 if (buf[0] >= 0x80) | |
537 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
538 fatal(); | |
539 } | |
540 } | |
541 } | |
542 | |
543 #ifdef IN_GCC | |
544 // dump utf-8 encoded source | |
545 if (dump_source) | |
546 { // %% srcname could contain a path ... | |
547 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
548 } | |
549 #endif | |
550 | |
551 /* If it starts with the string "Ddoc", then it's a documentation | |
552 * source file. | |
553 */ | |
554 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
555 { | |
556 comment = buf + 4; | |
557 isDocFile = 1; | |
558 return; | |
559 } | |
560 if (isHtml) | |
561 { | |
562 OutBuffer *dbuf = new OutBuffer(); | |
563 Html h(srcname, buf, buflen); | |
564 h.extractCode(dbuf); | |
565 buf = dbuf->data; | |
566 buflen = dbuf->offset; | |
567 #ifdef IN_GCC | |
568 // dump extracted source | |
569 if (dump_source) | |
570 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
571 #endif | |
572 } | |
573 Parser p(this, buf, buflen, docfile != NULL); | |
574 p.nextToken(); | |
575 members = p.parseModule(); | |
576 md = p.md; | |
577 numlines = p.loc.linnum; | |
578 | |
579 DsymbolTable *dst; | |
580 | |
581 if (md) | |
582 { this->ident = md->id; | |
583 dst = Package::resolve(md->packages, &this->parent, NULL); | |
584 } | |
585 else | |
586 { | |
587 dst = modules; | |
588 | |
589 /* Check to see if module name is a valid identifier | |
590 */ | |
591 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
592 error("has non-identifier characters in filename, use module declaration instead"); | |
593 } | |
594 | |
595 // Update global list of modules | |
596 if (!dst->insert(this)) | |
597 { | |
598 if (md) | |
599 error(loc, "is in multiple packages %s", md->toChars()); | |
600 else | |
601 error(loc, "is in multiple defined"); | |
602 } | |
603 else | |
604 { | |
605 amodules.push(this); | |
606 } | |
607 } | |
608 | |
609 void Module::semantic() | |
610 { int i; | |
611 | |
612 if (semanticstarted) | |
613 return; | |
614 | |
615 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
616 semanticstarted = 1; | |
617 | |
618 // Note that modules get their own scope, from scratch. | |
619 // This is so regardless of where in the syntax a module | |
620 // gets imported, it is unaffected by context. | |
621 Scope *sc = Scope::createGlobal(this); // create root scope | |
622 | |
623 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
624 | |
625 // Add import of "object" if this module isn't "object" | |
626 if (ident != Id::object) | |
627 { | |
628 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
629 members->shift(im); | |
630 } | |
631 | |
632 // Add all symbols into module's symbol table | |
633 symtab = new DsymbolTable(); | |
634 for (i = 0; i < members->dim; i++) | |
635 { Dsymbol *s; | |
636 | |
637 s = (Dsymbol *)members->data[i]; | |
638 s->addMember(NULL, sc->scopesym, 1); | |
639 } | |
640 | |
641 // Pass 1 semantic routines: do public side of the definition | |
642 for (i = 0; i < members->dim; i++) | |
643 { Dsymbol *s; | |
644 | |
645 s = (Dsymbol *)members->data[i]; | |
646 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
647 s->semantic(sc); | |
648 runDeferredSemantic(); | |
649 } | |
650 | |
651 sc = sc->pop(); | |
652 sc->pop(); | |
653 semanticdone = semanticstarted; | |
654 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
655 } | |
656 | |
657 void Module::semantic2() | |
658 { int i; | |
659 | |
660 if (deferred.dim) | |
661 { | |
662 for (int i = 0; i < deferred.dim; i++) | |
663 { | |
664 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
665 | |
666 sd->error("unable to resolve forward reference in definition"); | |
667 } | |
668 return; | |
669 } | |
670 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
671 if (semanticstarted >= 2) | |
672 return; | |
673 assert(semanticstarted == 1); | |
674 semanticstarted = 2; | |
675 | |
676 // Note that modules get their own scope, from scratch. | |
677 // This is so regardless of where in the syntax a module | |
678 // gets imported, it is unaffected by context. | |
679 Scope *sc = Scope::createGlobal(this); // create root scope | |
680 //printf("Module = %p\n", sc.scopesym); | |
681 | |
682 // Pass 2 semantic routines: do initializers and function bodies | |
683 for (i = 0; i < members->dim; i++) | |
684 { Dsymbol *s; | |
685 | |
686 s = (Dsymbol *)members->data[i]; | |
687 s->semantic2(sc); | |
688 } | |
689 | |
690 sc = sc->pop(); | |
691 sc->pop(); | |
692 semanticdone = semanticstarted; | |
693 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
694 } | |
695 | |
696 void Module::semantic3() | |
697 { int i; | |
698 | |
699 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
700 if (semanticstarted >= 3) | |
701 return; | |
702 assert(semanticstarted == 2); | |
703 semanticstarted = 3; | |
704 | |
705 // Note that modules get their own scope, from scratch. | |
706 // This is so regardless of where in the syntax a module | |
707 // gets imported, it is unaffected by context. | |
708 Scope *sc = Scope::createGlobal(this); // create root scope | |
709 //printf("Module = %p\n", sc.scopesym); | |
710 | |
711 // Pass 3 semantic routines: do initializers and function bodies | |
712 for (i = 0; i < members->dim; i++) | |
713 { Dsymbol *s; | |
714 | |
715 s = (Dsymbol *)members->data[i]; | |
716 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
717 s->semantic3(sc); | |
718 } | |
719 | |
720 sc = sc->pop(); | |
721 sc->pop(); | |
722 semanticdone = semanticstarted; | |
723 } | |
724 | |
725 void Module::inlineScan() | |
726 { int i; | |
727 | |
728 if (semanticstarted >= 4) | |
729 return; | |
730 assert(semanticstarted == 3); | |
731 semanticstarted = 4; | |
732 | |
733 // Note that modules get their own scope, from scratch. | |
734 // This is so regardless of where in the syntax a module | |
735 // gets imported, it is unaffected by context. | |
736 //printf("Module = %p\n", sc.scopesym); | |
737 | |
738 for (i = 0; i < members->dim; i++) | |
739 { Dsymbol *s; | |
740 | |
741 s = (Dsymbol *)members->data[i]; | |
742 //if (global.params.verbose) | |
743 //printf("inline scan symbol %s\n", s->toChars()); | |
744 | |
745 s->inlineScan(); | |
746 } | |
747 semanticdone = semanticstarted; | |
748 } | |
749 | |
750 /**************************************************** | |
751 */ | |
752 | |
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
753 // is this used anywhere? |
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
754 /* |
336 | 755 void Module::gensymfile() |
756 { | |
757 OutBuffer buf; | |
758 HdrGenState hgs; | |
759 | |
760 //printf("Module::gensymfile()\n"); | |
761 | |
762 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
763 buf.writenl(); | |
764 | |
765 for (int i = 0; i < members->dim; i++) | |
766 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
767 | |
768 s->toCBuffer(&buf, &hgs); | |
769 } | |
770 | |
771 // Transfer image to file | |
772 symfile->setbuffer(buf.data, buf.offset); | |
773 buf.data = NULL; | |
774 | |
775 symfile->writev(); | |
580
7824c21a58e3
Restructure path handling a bit. Fixes #66.
Christian Kamm <kamm incasoftware de>
parents:
550
diff
changeset
|
776 }*/ |
336 | 777 |
778 /********************************** | |
779 * Determine if we need to generate an instance of ModuleInfo | |
780 * for this Module. | |
781 */ | |
782 | |
783 int Module::needModuleInfo() | |
784 { | |
550
cbe08531430f
Removed unimplemented switches.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
510
diff
changeset
|
785 return needmoduleinfo; |
336 | 786 } |
787 | |
788 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
789 { | |
790 /* Since modules can be circularly referenced, | |
791 * need to stop infinite recursive searches. | |
792 */ | |
793 | |
794 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
795 Dsymbol *s; | |
796 if (insearch) | |
797 s = NULL; | |
798 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
799 s = searchCacheSymbol; | |
800 else | |
801 { | |
802 insearch = 1; | |
803 s = ScopeDsymbol::search(loc, ident, flags); | |
804 insearch = 0; | |
805 | |
806 searchCacheIdent = ident; | |
807 searchCacheSymbol = s; | |
808 searchCacheFlags = flags; | |
809 } | |
810 return s; | |
811 } | |
812 | |
813 /******************************************* | |
814 * Can't run semantic on s now, try again later. | |
815 */ | |
816 | |
817 void Module::addDeferredSemantic(Dsymbol *s) | |
818 { | |
819 // Don't add it if it is already there | |
820 for (int i = 0; i < deferred.dim; i++) | |
821 { | |
822 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
823 | |
824 if (sd == s) | |
825 return; | |
826 } | |
827 | |
828 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
829 deferred.push(s); | |
830 } | |
831 | |
832 | |
833 /****************************************** | |
834 * Run semantic() on deferred symbols. | |
835 */ | |
836 | |
837 void Module::runDeferredSemantic() | |
838 { | |
839 size_t len; | |
840 | |
841 static int nested; | |
842 if (nested) | |
843 return; | |
844 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
845 nested++; | |
846 | |
847 do | |
848 { | |
849 dprogress = 0; | |
850 len = deferred.dim; | |
851 if (!len) | |
852 break; | |
853 | |
854 Dsymbol **todo; | |
855 Dsymbol *tmp; | |
856 if (len == 1) | |
857 { | |
858 todo = &tmp; | |
859 } | |
860 else | |
861 { | |
862 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
863 assert(todo); | |
864 } | |
865 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
866 deferred.setDim(0); | |
867 | |
868 for (int i = 0; i < len; i++) | |
869 { | |
870 Dsymbol *s = todo[i]; | |
871 | |
872 s->semantic(NULL); | |
873 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
874 } | |
875 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
876 } while (deferred.dim < len || dprogress); // while making progress | |
877 nested--; | |
878 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
879 } | |
880 | |
881 /* =========================== ModuleDeclaration ===================== */ | |
882 | |
883 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
884 { | |
885 this->packages = packages; | |
886 this->id = id; | |
887 } | |
888 | |
889 char *ModuleDeclaration::toChars() | |
890 { | |
891 OutBuffer buf; | |
892 int i; | |
893 | |
894 if (packages && packages->dim) | |
895 { | |
896 for (i = 0; i < packages->dim; i++) | |
897 { Identifier *pid = (Identifier *)packages->data[i]; | |
898 | |
899 buf.writestring(pid->toChars()); | |
900 buf.writeByte('.'); | |
901 } | |
902 } | |
903 buf.writestring(id->toChars()); | |
904 buf.writeByte(0); | |
905 return (char *)buf.extractData(); | |
906 } | |
907 | |
908 /* =========================== Package ===================== */ | |
909 | |
910 Package::Package(Identifier *ident) | |
911 : ScopeDsymbol(ident) | |
912 { | |
913 } | |
914 | |
915 | |
916 const char *Package::kind() | |
917 { | |
918 return "package"; | |
919 } | |
920 | |
921 | |
922 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
923 { | |
924 DsymbolTable *dst = Module::modules; | |
925 Dsymbol *parent = NULL; | |
926 | |
927 //printf("Package::resolve()\n"); | |
928 if (ppkg) | |
929 *ppkg = NULL; | |
930 | |
931 if (packages) | |
932 { int i; | |
933 | |
934 for (i = 0; i < packages->dim; i++) | |
935 { Identifier *pid = (Identifier *)packages->data[i]; | |
936 Dsymbol *p; | |
937 | |
938 p = dst->lookup(pid); | |
939 if (!p) | |
940 { | |
941 p = new Package(pid); | |
942 dst->insert(p); | |
943 p->parent = parent; | |
944 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
945 } | |
946 else | |
947 { | |
948 assert(p->isPackage()); | |
949 if (p->isModule()) | |
950 { p->error("module and package have the same name"); | |
951 fatal(); | |
952 break; | |
953 } | |
954 } | |
955 parent = p; | |
956 dst = ((Package *)p)->symtab; | |
957 if (ppkg && !*ppkg) | |
958 *ppkg = (Package *)p; | |
959 } | |
960 if (pparent) | |
961 { | |
962 *pparent = parent; | |
963 } | |
964 } | |
965 return dst; | |
966 } |