Mercurial > projects > ldc
annotate dmd/module.c @ 285:297690b5d4a5 trunk
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
author | lindquist |
---|---|
date | Sat, 21 Jun 2008 03:14:49 +0200 |
parents | ccd07d9f2ce9 |
children | aaade6ded589 |
rev | line source |
---|---|
1 | 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 | |
285
297690b5d4a5
[svn r306] Fixed: it's now possible to compile and link llvmdc with MinGW32 and msys on Win32 :D I tried it myself ;) Building the runtime still needs some work, but it's a step in the right direction.
lindquist
parents:
156
diff
changeset
|
15 #if _MSC_VER || __MINGW32__ |
1 | 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 FileName *cfilename; | |
62 FileName *hfilename; | |
63 FileName *objfilename; | |
64 FileName *llfilename; | |
65 FileName *bcfilename; | |
66 FileName *symfilename; | |
67 | |
68 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
69 this->arg = filename; | |
70 md = NULL; | |
71 errors = 0; | |
72 numlines = 0; | |
73 members = NULL; | |
74 isHtml = 0; | |
75 isDocFile = 0; | |
76 needmoduleinfo = 0; | |
77 #ifdef IN_GCC | |
78 strictlyneedmoduleinfo = 0; | |
79 #endif | |
80 insearch = 0; | |
81 searchCacheIdent = NULL; | |
82 searchCacheSymbol = NULL; | |
83 searchCacheFlags = 0; | |
84 semanticstarted = 0; | |
85 semanticdone = 0; | |
86 decldefs = NULL; | |
87 vmoduleinfo = NULL; | |
88 massert = NULL; | |
89 marray = NULL; | |
130 | 90 sictor = NULL; |
1 | 91 sctor = NULL; |
92 sdtor = NULL; | |
93 stest = NULL; | |
94 sfilename = NULL; | |
95 root = 0; | |
96 importedFrom = NULL; | |
97 srcfile = NULL; | |
98 docfile = NULL; | |
99 | |
100 debuglevel = 0; | |
101 debugids = NULL; | |
102 debugidsNot = NULL; | |
103 versionlevel = 0; | |
104 versionids = NULL; | |
105 versionidsNot = NULL; | |
106 | |
107 macrotable = NULL; | |
108 escapetable = NULL; | |
109 cov = NULL; | |
110 covb = NULL; | |
111 | |
112 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
113 if (!srcfilename->equalsExt(global.mars_ext)) | |
114 { | |
115 if (srcfilename->equalsExt("html") || | |
116 srcfilename->equalsExt("htm") || | |
117 srcfilename->equalsExt("xhtml")) | |
118 isHtml = 1; | |
119 else | |
120 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
121 fatal(); | |
122 } | |
123 } | |
124 | |
125 char *argobj; | |
126 if (global.params.objname) | |
127 argobj = global.params.objname; | |
128 else if (global.params.preservePaths) | |
129 argobj = filename; | |
130 else | |
131 argobj = FileName::name(filename); | |
132 if (!FileName::absolute(argobj)) | |
133 { | |
134 argobj = FileName::combine(global.params.objdir, argobj); | |
135 } | |
136 | |
137 if (global.params.objname) | |
138 objfilename = new FileName(argobj, 0); | |
139 else | |
140 objfilename = FileName::forceExt(argobj, global.obj_ext); | |
141 | |
142 llfilename = FileName::forceExt(argobj, global.ll_ext); | |
143 bcfilename = FileName::forceExt(argobj, global.bc_ext); | |
144 | |
145 symfilename = FileName::forceExt(filename, global.sym_ext); | |
146 | |
147 srcfile = new File(srcfilename); | |
148 | |
149 if (doDocComment) | |
150 { | |
151 setDocfile(); | |
152 } | |
153 | |
154 if (doHdrGen) | |
155 { | |
156 setHdrfile(); | |
157 } | |
158 | |
159 objfile = new File(objfilename); | |
160 bcfile = new File(bcfilename); | |
52 | 161 llfile = new File(llfilename); |
1 | 162 symfile = new File(symfilename); |
163 } | |
164 | |
165 void Module::setDocfile() | |
166 { | |
167 FileName *docfilename; | |
168 char *argdoc; | |
169 | |
170 if (global.params.docname) | |
171 argdoc = global.params.docname; | |
172 else if (global.params.preservePaths) | |
173 argdoc = (char *)arg; | |
174 else | |
175 argdoc = FileName::name((char *)arg); | |
176 if (!FileName::absolute(argdoc)) | |
177 { //FileName::ensurePathExists(global.params.docdir); | |
178 argdoc = FileName::combine(global.params.docdir, argdoc); | |
179 } | |
180 if (global.params.docname) | |
181 docfilename = new FileName(argdoc, 0); | |
182 else | |
183 docfilename = FileName::forceExt(argdoc, global.doc_ext); | |
184 | |
185 if (docfilename->equals(srcfile->name)) | |
186 { error("Source file and documentation file have same name '%s'", srcfile->name->str); | |
187 fatal(); | |
188 } | |
189 | |
190 docfile = new File(docfilename); | |
191 } | |
192 | |
193 void Module::setHdrfile() | |
194 { | |
195 FileName *hdrfilename; | |
196 char *arghdr; | |
197 | |
198 if (global.params.hdrname) | |
199 arghdr = global.params.hdrname; | |
200 else if (global.params.preservePaths) | |
201 arghdr = (char *)arg; | |
202 else | |
203 arghdr = FileName::name((char *)arg); | |
204 if (!FileName::absolute(arghdr)) | |
205 { //FileName::ensurePathExists(global.params.hdrdir); | |
206 arghdr = FileName::combine(global.params.hdrdir, arghdr); | |
207 } | |
208 if (global.params.hdrname) | |
209 hdrfilename = new FileName(arghdr, 0); | |
210 else | |
211 hdrfilename = FileName::forceExt(arghdr, global.hdr_ext); | |
212 | |
213 if (hdrfilename->equals(srcfile->name)) | |
214 { error("Source file and 'header' file have same name '%s'", srcfile->name->str); | |
215 fatal(); | |
216 } | |
217 | |
218 hdrfile = new File(hdrfilename); | |
219 } | |
220 | |
221 void Module::deleteObjFile() | |
222 { | |
223 if (global.params.obj) | |
224 objfile->remove(); | |
225 //if (global.params.llvmBC) | |
226 bcfile->remove(); | |
227 if (docfile) | |
228 docfile->remove(); | |
229 } | |
230 | |
231 Module::~Module() | |
232 { | |
233 } | |
234 | |
235 char *Module::kind() | |
236 { | |
237 return "module"; | |
238 } | |
239 | |
240 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
241 { Module *m; | |
242 char *filename; | |
243 | |
244 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
245 | |
246 // Build module filename by turning: | |
247 // foo.bar.baz | |
248 // into: | |
249 // foo\bar\baz | |
250 filename = ident->toChars(); | |
251 if (packages && packages->dim) | |
252 { | |
253 OutBuffer buf; | |
254 int i; | |
255 | |
256 for (i = 0; i < packages->dim; i++) | |
257 { Identifier *pid = (Identifier *)packages->data[i]; | |
258 | |
259 buf.writestring(pid->toChars()); | |
260 #if _WIN32 | |
261 buf.writeByte('\\'); | |
262 #else | |
263 buf.writeByte('/'); | |
264 #endif | |
265 } | |
266 buf.writestring(filename); | |
267 buf.writeByte(0); | |
268 filename = (char *)buf.extractData(); | |
269 } | |
270 | |
271 m = new Module(filename, ident, 0, 0); | |
272 m->loc = loc; | |
273 | |
274 /* Search along global.path for .di file, then .d file. | |
275 */ | |
276 char *result = NULL; | |
277 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
278 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
279 char *sdi = fdi->toChars(); | |
280 char *sd = fd->toChars(); | |
281 | |
282 if (FileName::exists(sdi)) | |
283 result = sdi; | |
284 else if (FileName::exists(sd)) | |
285 result = sd; | |
286 else if (FileName::absolute(filename)) | |
287 ; | |
288 else if (!global.path) | |
289 ; | |
290 else | |
291 { | |
292 for (size_t i = 0; i < global.path->dim; i++) | |
293 { | |
294 char *p = (char *)global.path->data[i]; | |
295 char *n = FileName::combine(p, sdi); | |
296 if (FileName::exists(n)) | |
297 { result = n; | |
298 break; | |
299 } | |
300 mem.free(n); | |
301 n = FileName::combine(p, sd); | |
302 if (FileName::exists(n)) | |
303 { result = n; | |
304 break; | |
305 } | |
306 mem.free(n); | |
307 } | |
308 } | |
309 if (result) | |
310 m->srcfile = new File(result); | |
311 | |
312 if (global.params.verbose) | |
313 { | |
314 printf("import "); | |
315 if (packages) | |
316 { | |
317 for (size_t i = 0; i < packages->dim; i++) | |
318 { Identifier *pid = (Identifier *)packages->data[i]; | |
319 printf("%s.", pid->toChars()); | |
320 } | |
321 } | |
322 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
323 } | |
324 | |
325 m->read(loc); | |
326 m->parse(); | |
327 | |
328 #ifdef IN_GCC | |
329 d_gcc_magic_module(m); | |
330 #endif | |
331 | |
332 return m; | |
333 } | |
334 | |
335 void Module::read(Loc loc) | |
336 { | |
337 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
338 if (srcfile->read()) | |
339 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
340 fatal(); | |
341 } | |
342 } | |
343 | |
344 inline unsigned readwordLE(unsigned short *p) | |
345 { | |
346 #if __I86__ | |
347 return *p; | |
348 #else | |
349 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
350 #endif | |
351 } | |
352 | |
353 inline unsigned readwordBE(unsigned short *p) | |
354 { | |
355 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
356 } | |
357 | |
358 inline unsigned readlongLE(unsigned *p) | |
359 { | |
360 #if __I86__ | |
361 return *p; | |
362 #else | |
363 return ((unsigned char *)p)[0] | | |
364 (((unsigned char *)p)[1] << 8) | | |
365 (((unsigned char *)p)[2] << 16) | | |
366 (((unsigned char *)p)[3] << 24); | |
367 #endif | |
368 } | |
369 | |
370 inline unsigned readlongBE(unsigned *p) | |
371 { | |
372 return ((unsigned char *)p)[3] | | |
373 (((unsigned char *)p)[2] << 8) | | |
374 (((unsigned char *)p)[1] << 16) | | |
375 (((unsigned char *)p)[0] << 24); | |
376 } | |
377 | |
378 #if IN_GCC | |
379 void Module::parse(bool dump_source) | |
380 #else | |
381 void Module::parse() | |
382 #endif | |
383 { char *srcname; | |
384 unsigned char *buf; | |
385 unsigned buflen; | |
386 unsigned le; | |
387 unsigned bom; | |
388 | |
389 //printf("Module::parse()\n"); | |
390 | |
391 srcname = srcfile->name->toChars(); | |
392 //printf("Module::parse(srcname = '%s')\n", srcname); | |
393 | |
394 buf = srcfile->buffer; | |
395 buflen = srcfile->len; | |
396 | |
397 if (buflen >= 2) | |
398 { | |
399 /* Convert all non-UTF-8 formats to UTF-8. | |
400 * BOM : http://www.unicode.org/faq/utf_bom.html | |
401 * 00 00 FE FF UTF-32BE, big-endian | |
402 * FF FE 00 00 UTF-32LE, little-endian | |
403 * FE FF UTF-16BE, big-endian | |
404 * FF FE UTF-16LE, little-endian | |
405 * EF BB BF UTF-8 | |
406 */ | |
407 | |
408 bom = 1; // assume there's a BOM | |
409 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
410 { | |
411 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
412 { // UTF-32LE | |
413 le = 1; | |
414 | |
415 Lutf32: | |
416 OutBuffer dbuf; | |
417 unsigned *pu = (unsigned *)(buf); | |
418 unsigned *pumax = &pu[buflen / 4]; | |
419 | |
420 if (buflen & 3) | |
421 { error("odd length of UTF-32 char source %u", buflen); | |
422 fatal(); | |
423 } | |
424 | |
425 dbuf.reserve(buflen / 4); | |
426 for (pu += bom; pu < pumax; pu++) | |
427 { unsigned u; | |
428 | |
429 u = le ? readlongLE(pu) : readlongBE(pu); | |
430 if (u & ~0x7F) | |
431 { | |
432 if (u > 0x10FFFF) | |
433 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
434 fatal(); | |
435 } | |
436 dbuf.writeUTF8(u); | |
437 } | |
438 else | |
439 dbuf.writeByte(u); | |
440 } | |
441 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
442 buflen = dbuf.offset - 1; // don't include sentinel in count | |
443 buf = (unsigned char *) dbuf.extractData(); | |
444 } | |
445 else | |
446 { // UTF-16LE (X86) | |
447 // Convert it to UTF-8 | |
448 le = 1; | |
449 | |
450 Lutf16: | |
451 OutBuffer dbuf; | |
452 unsigned short *pu = (unsigned short *)(buf); | |
453 unsigned short *pumax = &pu[buflen / 2]; | |
454 | |
455 if (buflen & 1) | |
456 { error("odd length of UTF-16 char source %u", buflen); | |
457 fatal(); | |
458 } | |
459 | |
460 dbuf.reserve(buflen / 2); | |
461 for (pu += bom; pu < pumax; pu++) | |
462 { unsigned u; | |
463 | |
464 u = le ? readwordLE(pu) : readwordBE(pu); | |
465 if (u & ~0x7F) | |
466 { if (u >= 0xD800 && u <= 0xDBFF) | |
467 { unsigned u2; | |
468 | |
469 if (++pu > pumax) | |
470 { error("surrogate UTF-16 high value %04x at EOF", u); | |
471 fatal(); | |
472 } | |
473 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
474 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
475 { error("surrogate UTF-16 low value %04x out of range", u2); | |
476 fatal(); | |
477 } | |
478 u = (u - 0xD7C0) << 10; | |
479 u |= (u2 - 0xDC00); | |
480 } | |
481 else if (u >= 0xDC00 && u <= 0xDFFF) | |
482 { error("unpaired surrogate UTF-16 value %04x", u); | |
483 fatal(); | |
484 } | |
485 else if (u == 0xFFFE || u == 0xFFFF) | |
486 { error("illegal UTF-16 value %04x", u); | |
487 fatal(); | |
488 } | |
489 dbuf.writeUTF8(u); | |
490 } | |
491 else | |
492 dbuf.writeByte(u); | |
493 } | |
494 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
495 buflen = dbuf.offset - 1; // don't include sentinel in count | |
496 buf = (unsigned char *) dbuf.extractData(); | |
497 } | |
498 } | |
499 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
500 { // UTF-16BE | |
501 le = 0; | |
502 goto Lutf16; | |
503 } | |
504 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
505 { // UTF-32BE | |
506 le = 0; | |
507 goto Lutf32; | |
508 } | |
509 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
510 { // UTF-8 | |
511 | |
512 buf += 3; | |
513 buflen -= 3; | |
514 } | |
515 else | |
516 { | |
517 /* There is no BOM. Make use of Arcane Jill's insight that | |
518 * the first char of D source must be ASCII to | |
519 * figure out the encoding. | |
520 */ | |
521 | |
522 bom = 0; | |
523 if (buflen >= 4) | |
524 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
525 { // UTF-32LE | |
526 le = 1; | |
527 goto Lutf32; | |
528 } | |
529 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
530 { // UTF-32BE | |
531 le = 0; | |
532 goto Lutf32; | |
533 } | |
534 } | |
535 if (buflen >= 2) | |
536 { | |
537 if (buf[1] == 0) | |
538 { // UTF-16LE | |
539 le = 1; | |
540 goto Lutf16; | |
541 } | |
542 else if (buf[0] == 0) | |
543 { // UTF-16BE | |
544 le = 0; | |
545 goto Lutf16; | |
546 } | |
547 } | |
548 | |
549 // It's UTF-8 | |
550 if (buf[0] >= 0x80) | |
551 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
552 fatal(); | |
553 } | |
554 } | |
555 } | |
556 | |
557 #ifdef IN_GCC | |
558 // dump utf-8 encoded source | |
559 if (dump_source) | |
560 { // %% srcname could contain a path ... | |
561 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
562 } | |
563 #endif | |
564 | |
565 /* If it starts with the string "Ddoc", then it's a documentation | |
566 * source file. | |
567 */ | |
568 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
569 { | |
570 comment = buf + 4; | |
571 isDocFile = 1; | |
572 if (!docfile) | |
573 setDocfile(); | |
574 return; | |
575 } | |
576 if (isHtml) | |
577 { | |
578 OutBuffer *dbuf = new OutBuffer(); | |
579 Html h(srcname, buf, buflen); | |
580 h.extractCode(dbuf); | |
581 buf = dbuf->data; | |
582 buflen = dbuf->offset; | |
583 #ifdef IN_GCC | |
584 // dump extracted source | |
585 if (dump_source) | |
586 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
587 #endif | |
588 } | |
589 Parser p(this, buf, buflen, docfile != NULL); | |
590 p.nextToken(); | |
591 members = p.parseModule(); | |
592 md = p.md; | |
593 numlines = p.loc.linnum; | |
594 | |
595 DsymbolTable *dst; | |
596 | |
597 if (md) | |
598 { this->ident = md->id; | |
599 dst = Package::resolve(md->packages, &this->parent, NULL); | |
600 } | |
601 else | |
602 { | |
603 dst = modules; | |
604 | |
605 /* Check to see if module name is a valid identifier | |
606 */ | |
607 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
608 error("has non-identifier characters in filename, use module declaration instead"); | |
609 } | |
610 | |
611 // Update global list of modules | |
612 if (!dst->insert(this)) | |
613 { | |
614 if (md) | |
615 error(loc, "is in multiple packages %s", md->toChars()); | |
616 else | |
617 error(loc, "is in multiple defined"); | |
618 } | |
619 else | |
620 { | |
621 amodules.push(this); | |
622 } | |
623 } | |
624 | |
625 void Module::semantic() | |
626 { int i; | |
627 | |
628 if (semanticstarted) | |
629 return; | |
630 | |
631 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
632 semanticstarted = 1; | |
633 | |
634 // Note that modules get their own scope, from scratch. | |
635 // This is so regardless of where in the syntax a module | |
636 // gets imported, it is unaffected by context. | |
637 Scope *sc = Scope::createGlobal(this); // create root scope | |
638 | |
639 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
640 | |
641 // Add import of "object" if this module isn't "object" | |
642 if (ident != Id::object) | |
643 { | |
644 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
645 members->shift(im); | |
646 } | |
647 | |
648 // Add all symbols into module's symbol table | |
649 symtab = new DsymbolTable(); | |
650 for (i = 0; i < members->dim; i++) | |
651 { Dsymbol *s; | |
652 | |
653 s = (Dsymbol *)members->data[i]; | |
654 s->addMember(NULL, sc->scopesym, 1); | |
655 } | |
656 | |
657 // Pass 1 semantic routines: do public side of the definition | |
658 for (i = 0; i < members->dim; i++) | |
659 { Dsymbol *s; | |
660 | |
661 s = (Dsymbol *)members->data[i]; | |
662 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
663 s->semantic(sc); | |
664 runDeferredSemantic(); | |
665 } | |
666 | |
667 sc = sc->pop(); | |
668 sc->pop(); | |
669 semanticdone = semanticstarted; | |
670 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
671 } | |
672 | |
673 void Module::semantic2() | |
674 { int i; | |
675 | |
676 if (deferred.dim) | |
677 { | |
678 for (int i = 0; i < deferred.dim; i++) | |
679 { | |
680 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
681 | |
682 sd->error("unable to resolve forward reference in definition"); | |
683 } | |
684 return; | |
685 } | |
686 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
687 if (semanticstarted >= 2) | |
688 return; | |
689 assert(semanticstarted == 1); | |
690 semanticstarted = 2; | |
691 | |
692 // Note that modules get their own scope, from scratch. | |
693 // This is so regardless of where in the syntax a module | |
694 // gets imported, it is unaffected by context. | |
695 Scope *sc = Scope::createGlobal(this); // create root scope | |
696 //printf("Module = %p\n", sc.scopesym); | |
697 | |
698 // Pass 2 semantic routines: do initializers and function bodies | |
699 for (i = 0; i < members->dim; i++) | |
700 { Dsymbol *s; | |
701 | |
702 s = (Dsymbol *)members->data[i]; | |
703 s->semantic2(sc); | |
704 } | |
705 | |
706 sc = sc->pop(); | |
707 sc->pop(); | |
708 semanticdone = semanticstarted; | |
709 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
710 } | |
711 | |
712 void Module::semantic3() | |
713 { int i; | |
714 | |
715 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
716 if (semanticstarted >= 3) | |
717 return; | |
718 assert(semanticstarted == 2); | |
719 semanticstarted = 3; | |
720 | |
721 // Note that modules get their own scope, from scratch. | |
722 // This is so regardless of where in the syntax a module | |
723 // gets imported, it is unaffected by context. | |
724 Scope *sc = Scope::createGlobal(this); // create root scope | |
725 //printf("Module = %p\n", sc.scopesym); | |
726 | |
727 // Pass 3 semantic routines: do initializers and function bodies | |
728 for (i = 0; i < members->dim; i++) | |
729 { Dsymbol *s; | |
730 | |
731 s = (Dsymbol *)members->data[i]; | |
732 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
733 s->semantic3(sc); | |
734 } | |
735 | |
736 sc = sc->pop(); | |
737 sc->pop(); | |
738 semanticdone = semanticstarted; | |
739 } | |
740 | |
741 void Module::inlineScan() | |
742 { int i; | |
743 | |
744 if (semanticstarted >= 4) | |
745 return; | |
746 assert(semanticstarted == 3); | |
747 semanticstarted = 4; | |
748 | |
749 // Note that modules get their own scope, from scratch. | |
750 // This is so regardless of where in the syntax a module | |
751 // gets imported, it is unaffected by context. | |
752 //printf("Module = %p\n", sc.scopesym); | |
753 | |
754 for (i = 0; i < members->dim; i++) | |
755 { Dsymbol *s; | |
756 | |
757 s = (Dsymbol *)members->data[i]; | |
758 //if (global.params.verbose) | |
759 //printf("inline scan symbol %s\n", s->toChars()); | |
760 | |
761 s->inlineScan(); | |
762 } | |
763 semanticdone = semanticstarted; | |
764 } | |
765 | |
766 /**************************************************** | |
767 */ | |
768 | |
769 void Module::gensymfile() | |
770 { | |
771 OutBuffer buf; | |
772 HdrGenState hgs; | |
773 int i; | |
774 | |
775 //printf("Module::gensymfile()\n"); | |
776 | |
777 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
778 buf.writenl(); | |
779 | |
780 for (i = 0; i < members->dim; i++) | |
781 { | |
782 Dsymbol *s; | |
783 | |
784 s = (Dsymbol *)members->data[i]; | |
785 s->toCBuffer(&buf, &hgs); | |
786 } | |
787 | |
788 // Transfer image to file | |
789 symfile->setbuffer(buf.data, buf.offset); | |
790 buf.data = NULL; | |
791 | |
792 symfile->writev(); | |
793 } | |
794 | |
795 /********************************** | |
796 * Determine if we need to generate an instance of ModuleInfo | |
797 * for this Module. | |
798 */ | |
799 | |
800 int Module::needModuleInfo() | |
801 { | |
802 return needmoduleinfo || global.params.cov; | |
803 } | |
804 | |
805 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
806 { | |
807 /* Since modules can be circularly referenced, | |
808 * need to stop infinite recursive searches. | |
809 */ | |
810 | |
811 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
812 Dsymbol *s; | |
813 if (insearch) | |
814 s = NULL; | |
815 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
816 s = searchCacheSymbol; | |
817 else | |
818 { | |
819 insearch = 1; | |
820 s = ScopeDsymbol::search(loc, ident, flags); | |
821 insearch = 0; | |
822 | |
823 searchCacheIdent = ident; | |
824 searchCacheSymbol = s; | |
825 searchCacheFlags = flags; | |
826 } | |
827 return s; | |
828 } | |
829 | |
830 /******************************************* | |
831 * Can't run semantic on s now, try again later. | |
832 */ | |
833 | |
834 void Module::addDeferredSemantic(Dsymbol *s) | |
835 { | |
836 // Don't add it if it is already there | |
837 for (int i = 0; i < deferred.dim; i++) | |
838 { | |
839 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
840 | |
841 if (sd == s) | |
842 return; | |
843 } | |
844 | |
845 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
846 deferred.push(s); | |
847 } | |
848 | |
849 | |
850 /****************************************** | |
851 * Run semantic() on deferred symbols. | |
852 */ | |
853 | |
854 void Module::runDeferredSemantic() | |
855 { | |
856 size_t len; | |
857 | |
858 static int nested; | |
859 if (nested) | |
860 return; | |
861 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
862 nested++; | |
863 | |
864 do | |
865 { | |
866 dprogress = 0; | |
867 len = deferred.dim; | |
868 if (!len) | |
869 break; | |
870 | |
871 Dsymbol **todo; | |
872 Dsymbol *tmp; | |
873 if (len == 1) | |
874 { | |
875 todo = &tmp; | |
876 } | |
877 else | |
878 { | |
879 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
880 assert(todo); | |
881 } | |
882 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
883 deferred.setDim(0); | |
884 | |
885 for (int i = 0; i < len; i++) | |
886 { | |
887 Dsymbol *s = todo[i]; | |
888 | |
889 s->semantic(NULL); | |
890 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
891 } | |
892 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
893 } while (deferred.dim < len || dprogress); // while making progress | |
894 nested--; | |
895 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
896 } | |
897 | |
898 /* =========================== ModuleDeclaration ===================== */ | |
899 | |
900 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
901 { | |
902 this->packages = packages; | |
903 this->id = id; | |
904 } | |
905 | |
906 char *ModuleDeclaration::toChars() | |
907 { | |
908 OutBuffer buf; | |
909 int i; | |
910 | |
911 if (packages && packages->dim) | |
912 { | |
913 for (i = 0; i < packages->dim; i++) | |
914 { Identifier *pid = (Identifier *)packages->data[i]; | |
915 | |
916 buf.writestring(pid->toChars()); | |
917 buf.writeByte('.'); | |
918 } | |
919 } | |
920 buf.writestring(id->toChars()); | |
921 buf.writeByte(0); | |
922 return (char *)buf.extractData(); | |
923 } | |
924 | |
925 /* =========================== Package ===================== */ | |
926 | |
927 Package::Package(Identifier *ident) | |
928 : ScopeDsymbol(ident) | |
929 { | |
930 } | |
931 | |
932 | |
933 char *Package::kind() | |
934 { | |
935 return "package"; | |
936 } | |
937 | |
938 | |
939 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
940 { | |
941 DsymbolTable *dst = Module::modules; | |
942 Dsymbol *parent = NULL; | |
943 | |
944 //printf("Package::resolve()\n"); | |
945 if (ppkg) | |
946 *ppkg = NULL; | |
947 | |
948 if (packages) | |
949 { int i; | |
950 | |
951 for (i = 0; i < packages->dim; i++) | |
952 { Identifier *pid = (Identifier *)packages->data[i]; | |
953 Dsymbol *p; | |
954 | |
955 p = dst->lookup(pid); | |
956 if (!p) | |
957 { | |
958 p = new Package(pid); | |
959 dst->insert(p); | |
960 p->parent = parent; | |
961 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
962 } | |
963 else | |
964 { | |
965 assert(p->isPackage()); | |
966 if (p->isModule()) | |
967 { p->error("module and package have the same name"); | |
968 fatal(); | |
969 break; | |
970 } | |
971 } | |
972 parent = p; | |
973 dst = ((Package *)p)->symtab; | |
974 if (ppkg && !*ppkg) | |
975 *ppkg = (Package *)p; | |
976 } | |
977 if (pparent) | |
978 { | |
979 *pparent = parent; | |
980 } | |
981 } | |
982 return dst; | |
983 } |