Mercurial > projects > ldc
annotate dmd/root.c @ 494:29b901b6b346
Get rid of exception usage in exception handling code.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 10 Aug 2008 21:57:29 +0200 |
parents | f7ba5f705d59 |
children | f79bbd1d0b27 |
rev | line source |
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336 | 1 |
2 // Copyright (c) 1999-2006 by Digital Mars | |
3 // All Rights Reserved | |
4 // written by Walter Bright | |
5 // www.digitalmars.com | |
6 // License for redistribution is by either the Artistic License | |
7 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
8 // See the included readme.txt for details. | |
9 | |
10 #include <stdio.h> | |
11 #include <stdlib.h> | |
12 #include <stdarg.h> | |
13 #include <string.h> | |
14 #include <stdint.h> | |
15 #include <assert.h> | |
16 | |
17 #if _MSC_VER ||__MINGW32__ | |
18 #include <malloc.h> | |
19 #endif | |
20 | |
21 #if _WIN32 | |
22 #include <windows.h> | |
23 #include <direct.h> | |
24 #endif | |
25 | |
26 #if linux | |
27 #include <sys/types.h> | |
28 #include <sys/stat.h> | |
29 #include <fcntl.h> | |
30 #include <errno.h> | |
31 #include <unistd.h> | |
32 #include <utime.h> | |
33 #endif | |
34 | |
35 #include "port.h" | |
36 #include "root.h" | |
37 #include "dchar.h" | |
38 #include "mem.h" | |
39 #include "mars.h" | |
40 | |
41 #if 0 //__SC__ //def DEBUG | |
42 extern "C" void __cdecl _assert(void *e, void *f, unsigned line) | |
43 { | |
44 printf("Assert('%s','%s',%d)\n",e,f,line); | |
45 fflush(stdout); | |
46 *(char *)0 = 0; | |
47 } | |
48 #endif | |
49 | |
50 /************************************* | |
51 * Convert wchar string to ascii string. | |
52 */ | |
53 | |
54 char *wchar2ascii(wchar_t *us) | |
55 { | |
56 return wchar2ascii(us, wcslen(us)); | |
57 } | |
58 | |
59 char *wchar2ascii(wchar_t *us, unsigned len) | |
60 { | |
61 unsigned i; | |
62 char *p; | |
63 | |
64 p = (char *)mem.malloc(len + 1); | |
65 for (i = 0; i <= len; i++) | |
66 p[i] = (char) us[i]; | |
67 return p; | |
68 } | |
69 | |
70 int wcharIsAscii(wchar_t *us) | |
71 { | |
72 return wcharIsAscii(us, wcslen(us)); | |
73 } | |
74 | |
75 int wcharIsAscii(wchar_t *us, unsigned len) | |
76 { | |
77 unsigned i; | |
78 | |
79 for (i = 0; i <= len; i++) | |
80 { | |
81 if (us[i] & ~0xFF) // if high bits set | |
82 return 0; // it's not ascii | |
83 } | |
84 return 1; | |
85 } | |
86 | |
87 | |
88 /*********************************** | |
89 * Compare length-prefixed strings (bstr). | |
90 */ | |
91 | |
92 int bstrcmp(unsigned char *b1, unsigned char *b2) | |
93 { | |
94 return (*b1 == *b2 && memcmp(b1 + 1, b2 + 1, *b2) == 0) ? 0 : 1; | |
95 } | |
96 | |
97 /*************************************** | |
98 * Convert bstr into a malloc'd string. | |
99 */ | |
100 | |
101 char *bstr2str(unsigned char *b) | |
102 { | |
103 char *s; | |
104 unsigned len; | |
105 | |
106 len = *b; | |
107 s = (char *) mem.malloc(len + 1); | |
108 s[len] = 0; | |
109 return (char *)memcpy(s,b + 1,len); | |
110 } | |
111 | |
112 /************************************** | |
113 * Print error message and exit. | |
114 */ | |
115 | |
116 void error(const char *format, ...) | |
117 { | |
118 va_list ap; | |
119 | |
120 va_start(ap, format); | |
121 printf("Error: "); | |
122 vprintf(format, ap); | |
123 va_end( ap ); | |
124 printf("\n"); | |
125 fflush(stdout); | |
126 | |
127 exit(EXIT_FAILURE); | |
128 } | |
129 | |
130 #if M_UNICODE | |
131 void error(const dchar *format, ...) | |
132 { | |
133 va_list ap; | |
134 | |
135 va_start(ap, format); | |
136 printf("Error: "); | |
137 vwprintf(format, ap); | |
138 va_end( ap ); | |
139 printf("\n"); | |
140 fflush(stdout); | |
141 | |
142 exit(EXIT_FAILURE); | |
143 } | |
144 #endif | |
145 | |
146 void error_mem() | |
147 { | |
148 error("out of memory"); | |
149 } | |
150 | |
151 /************************************** | |
152 * Print warning message. | |
153 */ | |
154 | |
155 void warning(const char *format, ...) | |
156 { | |
157 va_list ap; | |
158 | |
159 va_start(ap, format); | |
160 printf("Warning: "); | |
161 vprintf(format, ap); | |
162 va_end( ap ); | |
163 printf("\n"); | |
164 fflush(stdout); | |
165 } | |
166 | |
167 /****************************** Object ********************************/ | |
168 | |
169 int Object::equals(Object *o) | |
170 { | |
171 return o == this; | |
172 } | |
173 | |
174 hash_t Object::hashCode() | |
175 { | |
176 return (hash_t) this; | |
177 } | |
178 | |
179 int Object::compare(Object *obj) | |
180 { | |
181 return this - obj; | |
182 } | |
183 | |
184 void Object::print() | |
185 { | |
186 printf("%s %p\n", toChars(), this); | |
187 } | |
188 | |
189 char *Object::toChars() | |
190 { | |
191 return "Object"; | |
192 } | |
193 | |
194 dchar *Object::toDchars() | |
195 { | |
196 #if M_UNICODE | |
197 return L"Object"; | |
198 #else | |
199 return toChars(); | |
200 #endif | |
201 } | |
202 | |
203 int Object::dyncast() | |
204 { | |
205 return 0; | |
206 } | |
207 | |
208 void Object::toBuffer(OutBuffer *b) | |
209 { | |
210 b->writestring("Object"); | |
211 } | |
212 | |
213 void Object::mark() | |
214 { | |
215 } | |
216 | |
217 /****************************** String ********************************/ | |
218 | |
219 String::String(char *str, int ref) | |
220 { | |
221 this->str = ref ? str : mem.strdup(str); | |
222 this->ref = ref; | |
223 } | |
224 | |
225 String::~String() | |
226 { | |
227 mem.free(str); | |
228 } | |
229 | |
230 void String::mark() | |
231 { | |
232 mem.mark(str); | |
233 } | |
234 | |
235 hash_t String::calcHash(const char *str, size_t len) | |
236 { | |
237 hash_t hash = 0; | |
238 | |
239 for (;;) | |
240 { | |
241 switch (len) | |
242 { | |
243 case 0: | |
244 return hash; | |
245 | |
246 case 1: | |
247 hash *= 37; | |
248 hash += *(uint8_t *)str; | |
249 return hash; | |
250 | |
251 case 2: | |
252 hash *= 37; | |
253 hash += *(uint16_t *)str; | |
254 return hash; | |
255 | |
256 case 3: | |
257 hash *= 37; | |
258 hash += (*(uint16_t *)str << 8) + | |
259 ((uint8_t *)str)[2]; | |
260 return hash; | |
261 | |
262 default: | |
263 hash *= 37; | |
264 hash += *(uint32_t *)str; | |
265 str += 4; | |
266 len -= 4; | |
267 break; | |
268 } | |
269 } | |
270 } | |
271 | |
272 hash_t String::calcHash(const char *str) | |
273 { | |
274 return calcHash(str, strlen(str)); | |
275 } | |
276 | |
277 hash_t String::hashCode() | |
278 { | |
279 return calcHash(str, strlen(str)); | |
280 } | |
281 | |
282 unsigned String::len() | |
283 { | |
284 return strlen(str); | |
285 } | |
286 | |
287 int String::equals(Object *obj) | |
288 { | |
289 return strcmp(str,((String *)obj)->str) == 0; | |
290 } | |
291 | |
292 int String::compare(Object *obj) | |
293 { | |
294 return strcmp(str,((String *)obj)->str); | |
295 } | |
296 | |
297 char *String::toChars() | |
298 { | |
299 return str; | |
300 } | |
301 | |
302 void String::print() | |
303 { | |
304 printf("String '%s'\n",str); | |
305 } | |
306 | |
307 | |
308 /****************************** FileName ********************************/ | |
309 | |
310 FileName::FileName(char *str, int ref) | |
311 : String(str,ref) | |
312 { | |
313 } | |
314 | |
315 char *FileName::combine(char *path, char *name) | |
316 { char *f; | |
317 size_t pathlen; | |
318 size_t namelen; | |
319 | |
320 if (!path || !*path) | |
321 return name; | |
322 pathlen = strlen(path); | |
323 namelen = strlen(name); | |
324 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
325 memcpy(f, path, pathlen); | |
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326 |
462
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327 if ( |
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328 path[pathlen - 1] != '/' |
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329 #if _WIN32 |
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330 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
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331 #endif |
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332 ) |
336 | 333 { f[pathlen] = '/'; |
334 pathlen++; | |
335 } | |
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336 |
336 | 337 memcpy(f + pathlen, name, namelen + 1); |
338 return f; | |
339 } | |
340 | |
341 FileName::FileName(char *path, char *name) | |
342 : String(combine(path,name),1) | |
343 { | |
344 } | |
345 | |
346 // Split a path into an Array of paths | |
347 Array *FileName::splitPath(const char *path) | |
348 { | |
349 char c = 0; // unnecessary initializer is for VC /W4 | |
350 const char *p; | |
351 OutBuffer buf; | |
352 Array *array; | |
353 | |
354 array = new Array(); | |
355 if (path) | |
356 { | |
357 p = path; | |
358 do | |
359 { char instring = 0; | |
360 | |
361 while (isspace(*p)) // skip leading whitespace | |
362 p++; | |
363 buf.reserve(strlen(p) + 1); // guess size of path | |
364 for (; ; p++) | |
365 { | |
366 c = *p; | |
367 switch (c) | |
368 { | |
369 case '"': | |
370 instring ^= 1; // toggle inside/outside of string | |
371 continue; | |
372 | |
373 #if MACINTOSH | |
374 case ',': | |
375 #endif | |
376 #if _WIN32 | |
377 case ';': | |
378 #endif | |
379 #if linux | |
380 case ':': | |
381 #endif | |
382 p++; | |
383 break; // note that ; cannot appear as part | |
384 // of a path, quotes won't protect it | |
385 | |
386 case 0x1A: // ^Z means end of file | |
387 case 0: | |
388 break; | |
389 | |
390 case '\r': | |
391 continue; // ignore carriage returns | |
392 | |
393 #if linux | |
394 case '~': | |
395 buf.writestring(getenv("HOME")); | |
396 continue; | |
397 #endif | |
398 | |
399 case ' ': | |
400 case '\t': // tabs in filenames? | |
401 if (!instring) // if not in string | |
402 break; // treat as end of path | |
403 default: | |
404 buf.writeByte(c); | |
405 continue; | |
406 } | |
407 break; | |
408 } | |
409 if (buf.offset) // if path is not empty | |
410 { | |
411 buf.writeByte(0); // to asciiz | |
412 array->push(buf.extractData()); | |
413 } | |
414 } while (c); | |
415 } | |
416 return array; | |
417 } | |
418 | |
419 hash_t FileName::hashCode() | |
420 { | |
421 #if _WIN32 | |
422 // We need a different hashCode because it must be case-insensitive | |
423 size_t len = strlen(str); | |
424 hash_t hash = 0; | |
425 unsigned char *s = (unsigned char *)str; | |
426 | |
427 for (;;) | |
428 { | |
429 switch (len) | |
430 { | |
431 case 0: | |
432 return hash; | |
433 | |
434 case 1: | |
435 hash *= 37; | |
436 hash += *(uint8_t *)s | 0x20; | |
437 return hash; | |
438 | |
439 case 2: | |
440 hash *= 37; | |
441 hash += *(uint16_t *)s | 0x2020; | |
442 return hash; | |
443 | |
444 case 3: | |
445 hash *= 37; | |
446 hash += ((*(uint16_t *)s << 8) + | |
447 ((uint8_t *)s)[2]) | 0x202020; | |
448 break; | |
449 | |
450 default: | |
451 hash *= 37; | |
452 hash += *(uint32_t *)s | 0x20202020; | |
453 s += 4; | |
454 len -= 4; | |
455 break; | |
456 } | |
457 } | |
458 #else | |
459 // darwin HFS is case insensitive, though... | |
460 return String::hashCode(); | |
461 #endif | |
462 } | |
463 | |
464 int FileName::compare(Object *obj) | |
465 { | |
466 #if _WIN32 | |
467 return stricmp(str,((FileName *)obj)->str); | |
468 #else | |
469 return String::compare(obj); | |
470 #endif | |
471 } | |
472 | |
473 int FileName::equals(Object *obj) | |
474 { | |
475 #if _WIN32 | |
476 return stricmp(str,((FileName *)obj)->str) == 0; | |
477 #else | |
478 return String::equals(obj); | |
479 #endif | |
480 } | |
481 | |
482 /************************************ | |
483 * Return !=0 if absolute path name. | |
484 */ | |
485 | |
486 int FileName::absolute(const char *name) | |
487 { | |
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488 return |
336 | 489 #if _WIN32 |
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490 (*name == '\\') || |
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491 (*name == '/') || |
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492 (*name && name[1] == ':') || |
336 | 493 #endif |
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494 (*name == '/'); |
336 | 495 } |
496 | |
497 /******************************** | |
498 * Return filename extension (read-only). | |
499 * Points past '.' of extension. | |
500 * If there isn't one, return NULL. | |
501 */ | |
502 | |
503 char *FileName::ext(const char *str) | |
504 { | |
505 char *e; | |
506 size_t len = strlen(str); | |
507 | |
508 e = (char *)str + len; | |
509 for (;;) | |
510 { | |
511 switch (*e) | |
512 { case '.': | |
513 return e + 1; | |
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514 |
336 | 515 case '/': |
516 break; | |
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517 |
336 | 518 #if _WIN32 |
519 case '\\': | |
520 case ':': | |
521 break; | |
522 #endif | |
523 default: | |
524 if (e == str) | |
525 break; | |
526 e--; | |
527 continue; | |
528 } | |
529 return NULL; | |
530 } | |
531 } | |
532 | |
533 char *FileName::ext() | |
534 { | |
535 return ext(str); | |
536 } | |
537 | |
538 /******************************** | |
539 * Return mem.malloc'd filename with extension removed. | |
540 */ | |
541 | |
542 char *FileName::removeExt(const char *str) | |
543 { | |
544 const char *e = ext(str); | |
545 if (e) | |
546 { size_t len = (e - str) - 1; | |
547 char *n = (char *)mem.malloc(len + 1); | |
548 memcpy(n, str, len); | |
549 n[len] = 0; | |
550 return n; | |
551 } | |
552 return mem.strdup(str); | |
553 } | |
554 | |
555 /******************************** | |
556 * Return filename name excluding path (read-only). | |
557 */ | |
558 | |
559 char *FileName::name(const char *str) | |
560 { | |
561 char *e; | |
562 size_t len = strlen(str); | |
563 | |
564 e = (char *)str + len; | |
565 for (;;) | |
566 { | |
567 switch (*e) | |
568 { | |
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569 |
336 | 570 case '/': |
571 return e + 1; | |
429
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572 |
336 | 573 #if _WIN32 |
574 case '\\': | |
575 case ':': | |
576 return e + 1; | |
577 #endif | |
578 default: | |
579 if (e == str) | |
580 break; | |
581 e--; | |
582 continue; | |
583 } | |
584 return e; | |
585 } | |
586 } | |
587 | |
588 char *FileName::name() | |
589 { | |
590 return name(str); | |
591 } | |
592 | |
593 /************************************** | |
594 * Return path portion of str. | |
595 * Path will does not include trailing path separator. | |
596 */ | |
597 | |
598 char *FileName::path(const char *str) | |
599 { | |
600 char *n = name(str); | |
601 char *path; | |
602 size_t pathlen; | |
603 | |
604 if (n > str) | |
605 { | |
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606 |
336 | 607 if (n[-1] == '/') |
608 n--; | |
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609 |
336 | 610 #if _WIN32 |
611 if (n[-1] == '\\') | |
612 n--; | |
613 #endif | |
614 } | |
615 pathlen = n - str; | |
616 path = (char *)mem.malloc(pathlen + 1); | |
617 memcpy(path, str, pathlen); | |
618 path[pathlen] = 0; | |
619 return path; | |
620 } | |
621 | |
622 /************************************** | |
623 * Replace filename portion of path. | |
624 */ | |
625 | |
626 char *FileName::replaceName(char *path, char *name) | |
627 { char *f; | |
628 char *n; | |
629 size_t pathlen; | |
630 size_t namelen; | |
631 | |
632 if (absolute(name)) | |
633 return name; | |
634 | |
635 n = FileName::name(path); | |
636 if (n == path) | |
637 return name; | |
638 pathlen = n - path; | |
639 namelen = strlen(name); | |
640 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
641 memcpy(f, path, pathlen); | |
429
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642 |
431
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643 if ( |
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644 path[pathlen - 1] != '/' |
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645 #if _WIN32 |
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646 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
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647 #endif |
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648 ) |
336 | 649 { f[pathlen] = '/'; |
650 pathlen++; | |
651 } | |
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652 |
336 | 653 memcpy(f + pathlen, name, namelen + 1); |
654 return f; | |
655 } | |
656 | |
657 /*************************** | |
658 */ | |
659 | |
660 FileName *FileName::defaultExt(const char *name, const char *ext) | |
661 { | |
662 char *e; | |
663 char *s; | |
664 size_t len; | |
665 size_t extlen; | |
666 | |
667 e = FileName::ext(name); | |
668 if (e) // if already has an extension | |
669 return new FileName((char *)name, 0); | |
670 | |
671 len = strlen(name); | |
672 extlen = strlen(ext); | |
673 s = (char *)alloca(len + 1 + extlen + 1); | |
674 memcpy(s,name,len); | |
675 s[len] = '.'; | |
676 memcpy(s + len + 1, ext, extlen + 1); | |
677 return new FileName(s, 0); | |
678 } | |
679 | |
680 /*************************** | |
681 */ | |
682 | |
683 FileName *FileName::forceExt(const char *name, const char *ext) | |
684 { | |
685 char *e; | |
686 char *s; | |
687 size_t len; | |
688 size_t extlen; | |
689 | |
690 e = FileName::ext(name); | |
691 if (e) // if already has an extension | |
692 { | |
693 len = e - name; | |
694 extlen = strlen(ext); | |
695 | |
696 s = (char *)alloca(len + extlen + 1); | |
697 memcpy(s,name,len); | |
698 memcpy(s + len, ext, extlen + 1); | |
699 return new FileName(s, 0); | |
700 } | |
701 else | |
702 return defaultExt(name, ext); // doesn't have one | |
703 } | |
704 | |
705 /****************************** | |
706 * Return !=0 if extensions match. | |
707 */ | |
708 | |
709 int FileName::equalsExt(const char *ext) | |
710 { const char *e; | |
711 | |
712 e = FileName::ext(); | |
713 if (!e && !ext) | |
714 return 1; | |
715 if (!e || !ext) | |
716 return 0; | |
717 #if linux | |
718 return strcmp(e,ext) == 0; | |
719 #endif | |
720 #if _WIN32 | |
721 return stricmp(e,ext) == 0; | |
722 #endif | |
723 } | |
724 | |
725 /************************************* | |
726 * Copy file from this to to. | |
727 */ | |
728 | |
729 void FileName::CopyTo(FileName *to) | |
730 { | |
731 File file(this); | |
732 | |
733 #if _WIN32 | |
734 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
735 #endif | |
736 #if linux | |
737 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time | |
738 #endif | |
739 file.readv(); | |
740 file.name = to; | |
741 file.writev(); | |
742 } | |
743 | |
744 /************************************* | |
745 * Search Path for file. | |
746 * Input: | |
747 * cwd if !=0, search current directory before searching path | |
748 */ | |
749 | |
750 char *FileName::searchPath(Array *path, char *name, int cwd) | |
751 { | |
752 if (absolute(name)) | |
753 { | |
754 return exists(name) ? name : NULL; | |
755 } | |
756 if (cwd) | |
757 { | |
758 if (exists(name)) | |
759 return name; | |
760 } | |
761 if (path) | |
762 { unsigned i; | |
763 | |
764 for (i = 0; i < path->dim; i++) | |
765 { | |
766 char *p = (char *)path->data[i]; | |
767 char *n = combine(p, name); | |
768 | |
769 if (exists(n)) | |
770 return n; | |
771 } | |
772 } | |
773 return NULL; | |
774 } | |
775 | |
776 int FileName::exists(const char *name) | |
777 { | |
778 #if linux | |
779 struct stat st; | |
780 | |
781 if (stat(name, &st) < 0) | |
782 return 0; | |
783 if (S_ISDIR(st.st_mode)) | |
784 return 2; | |
785 return 1; | |
786 #endif | |
787 #if _WIN32 | |
788 DWORD dw; | |
789 int result; | |
790 | |
791 dw = GetFileAttributesA(name); | |
792 if (dw == -1L) | |
793 result = 0; | |
794 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
795 result = 2; | |
796 else | |
797 result = 1; | |
798 return result; | |
799 #endif | |
800 } | |
801 | |
802 void FileName::ensurePathExists(const char *path) | |
803 { | |
804 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
805 if (path && *path) | |
806 { | |
807 if (!exists(path)) | |
808 { | |
809 char *p = FileName::path(path); | |
810 if (*p) | |
811 { | |
812 #if _WIN32 | |
813 size_t len = strlen(p); | |
814 if (len > 2 && p[-1] == ':') | |
815 { mem.free(p); | |
816 return; | |
817 } | |
818 #endif | |
819 ensurePathExists(p); | |
820 mem.free(p); | |
821 } | |
822 #if _WIN32 | |
823 if (path[strlen(path) - 1] != '\\') | |
824 #endif | |
825 #if linux | |
826 if (path[strlen(path) - 1] != '\\') | |
827 #endif | |
828 { | |
829 //printf("mkdir(%s)\n", path); | |
830 #if _WIN32 | |
831 if (mkdir(path)) | |
832 #endif | |
833 #if linux | |
834 if (mkdir(path, 0777)) | |
835 #endif | |
836 error("cannot create directory %s", path); | |
837 } | |
838 } | |
839 } | |
840 } | |
841 | |
842 /****************************** File ********************************/ | |
843 | |
844 File::File(FileName *n) | |
845 { | |
846 ref = 0; | |
847 buffer = NULL; | |
848 len = 0; | |
849 touchtime = NULL; | |
850 name = n; | |
851 } | |
852 | |
853 File::File(char *n) | |
854 { | |
855 ref = 0; | |
856 buffer = NULL; | |
857 len = 0; | |
858 touchtime = NULL; | |
859 name = new FileName(n, 0); | |
860 } | |
861 | |
862 File::~File() | |
863 { | |
864 if (buffer) | |
865 { | |
866 if (ref == 0) | |
867 mem.free(buffer); | |
868 #if _WIN32 | |
869 else if (ref == 2) | |
870 UnmapViewOfFile(buffer); | |
871 #endif | |
872 } | |
873 if (touchtime) | |
874 mem.free(touchtime); | |
875 } | |
876 | |
877 void File::mark() | |
878 { | |
879 mem.mark(buffer); | |
880 mem.mark(touchtime); | |
881 mem.mark(name); | |
882 } | |
883 | |
884 /************************************* | |
885 */ | |
886 | |
887 int File::read() | |
888 { | |
889 #if linux | |
890 off_t size; | |
891 ssize_t numread; | |
892 int fd; | |
893 struct stat buf; | |
894 int result = 0; | |
895 char *name; | |
896 | |
897 name = this->name->toChars(); | |
898 //printf("File::read('%s')\n",name); | |
899 fd = open(name, O_RDONLY); | |
900 if (fd == -1) | |
901 { result = errno; | |
902 //printf("\topen error, errno = %d\n",errno); | |
903 goto err1; | |
904 } | |
905 | |
906 if (!ref) | |
907 mem.free(buffer); | |
908 ref = 0; // we own the buffer now | |
909 | |
910 //printf("\tfile opened\n"); | |
911 if (fstat(fd, &buf)) | |
912 { | |
913 printf("\tfstat error, errno = %d\n",errno); | |
914 goto err2; | |
915 } | |
916 size = buf.st_size; | |
917 buffer = (unsigned char *) mem.malloc(size + 2); | |
918 if (!buffer) | |
919 { | |
920 printf("\tmalloc error, errno = %d\n",errno); | |
921 goto err2; | |
922 } | |
923 | |
924 numread = ::read(fd, buffer, size); | |
925 if (numread != size) | |
926 { | |
927 printf("\tread error, errno = %d\n",errno); | |
928 goto err2; | |
929 } | |
930 | |
931 if (touchtime) | |
932 memcpy(touchtime, &buf, sizeof(buf)); | |
933 | |
934 if (close(fd) == -1) | |
935 { | |
936 printf("\tclose error, errno = %d\n",errno); | |
937 goto err; | |
938 } | |
939 | |
940 len = size; | |
941 | |
942 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
943 buffer[size] = 0; // ^Z is obsolete, use 0 | |
944 buffer[size + 1] = 0; | |
945 return 0; | |
946 | |
947 err2: | |
948 close(fd); | |
949 err: | |
950 mem.free(buffer); | |
951 buffer = NULL; | |
952 len = 0; | |
953 | |
954 err1: | |
955 result = 1; | |
956 return result; | |
957 #endif | |
958 #if _WIN32 | |
959 DWORD size; | |
960 DWORD numread; | |
961 HANDLE h; | |
962 int result = 0; | |
963 char *name; | |
964 | |
965 name = this->name->toChars(); | |
966 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
967 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
968 if (h == INVALID_HANDLE_VALUE) | |
969 goto err1; | |
970 | |
971 if (!ref) | |
972 mem.free(buffer); | |
973 ref = 0; | |
974 | |
975 size = GetFileSize(h,NULL); | |
976 buffer = (unsigned char *) mem.malloc(size + 2); | |
977 if (!buffer) | |
978 goto err2; | |
979 | |
980 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
981 goto err2; | |
982 | |
983 if (numread != size) | |
984 goto err2; | |
985 | |
986 if (touchtime) | |
987 { | |
988 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
989 goto err2; | |
990 } | |
991 | |
992 if (!CloseHandle(h)) | |
993 goto err; | |
994 | |
995 len = size; | |
996 | |
997 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
998 buffer[size] = 0; // ^Z is obsolete, use 0 | |
999 buffer[size + 1] = 0; | |
1000 return 0; | |
1001 | |
1002 err2: | |
1003 CloseHandle(h); | |
1004 err: | |
1005 mem.free(buffer); | |
1006 buffer = NULL; | |
1007 len = 0; | |
1008 | |
1009 err1: | |
1010 result = 1; | |
1011 return result; | |
1012 #endif | |
1013 } | |
1014 | |
1015 /***************************** | |
1016 * Read a file with memory mapped file I/O. | |
1017 */ | |
1018 | |
1019 int File::mmread() | |
1020 { | |
1021 #if linux | |
1022 return read(); | |
1023 #endif | |
1024 #if _WIN32 | |
1025 HANDLE hFile; | |
1026 HANDLE hFileMap; | |
1027 DWORD size; | |
1028 char *name; | |
1029 | |
1030 name = this->name->toChars(); | |
1031 hFile = CreateFile(name, GENERIC_READ, | |
1032 FILE_SHARE_READ, NULL, | |
1033 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
1034 if (hFile == INVALID_HANDLE_VALUE) | |
1035 goto Lerr; | |
1036 size = GetFileSize(hFile, NULL); | |
1037 //printf(" file created, size %d\n", size); | |
1038 | |
1039 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
1040 if (CloseHandle(hFile) != TRUE) | |
1041 goto Lerr; | |
1042 | |
1043 if (hFileMap == NULL) | |
1044 goto Lerr; | |
1045 | |
1046 //printf(" mapping created\n"); | |
1047 | |
1048 if (!ref) | |
1049 mem.free(buffer); | |
1050 ref = 2; | |
1051 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
1052 if (CloseHandle(hFileMap) != TRUE) | |
1053 goto Lerr; | |
1054 if (buffer == NULL) // mapping view failed | |
1055 goto Lerr; | |
1056 | |
1057 len = size; | |
1058 //printf(" buffer = %p\n", buffer); | |
1059 | |
1060 return 0; | |
1061 | |
1062 Lerr: | |
1063 return GetLastError(); // failure | |
1064 #endif | |
1065 } | |
1066 | |
1067 /********************************************* | |
1068 * Write a file. | |
1069 * Returns: | |
1070 * 0 success | |
1071 */ | |
1072 | |
1073 int File::write() | |
1074 { | |
1075 #if linux | |
1076 int fd; | |
1077 ssize_t numwritten; | |
1078 char *name; | |
1079 | |
1080 name = this->name->toChars(); | |
1081 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
1082 if (fd == -1) | |
1083 goto err; | |
1084 | |
1085 numwritten = ::write(fd, buffer, len); | |
1086 if (len != numwritten) | |
1087 goto err2; | |
1088 | |
1089 if (close(fd) == -1) | |
1090 goto err; | |
1091 | |
1092 if (touchtime) | |
1093 { struct utimbuf ubuf; | |
1094 | |
1095 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
1096 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
1097 if (utime(name, &ubuf)) | |
1098 goto err; | |
1099 } | |
1100 return 0; | |
1101 | |
1102 err2: | |
1103 close(fd); | |
1104 ::remove(name); | |
1105 err: | |
1106 return 1; | |
1107 #endif | |
1108 #if _WIN32 | |
1109 HANDLE h; | |
1110 DWORD numwritten; | |
1111 char *name; | |
1112 | |
1113 name = this->name->toChars(); | |
1114 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
1115 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
1116 if (h == INVALID_HANDLE_VALUE) | |
1117 goto err; | |
1118 | |
1119 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
1120 goto err2; | |
1121 | |
1122 if (len != numwritten) | |
1123 goto err2; | |
1124 | |
1125 if (touchtime) { | |
1126 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
1127 } | |
1128 if (!CloseHandle(h)) | |
1129 goto err; | |
1130 return 0; | |
1131 | |
1132 err2: | |
1133 CloseHandle(h); | |
1134 DeleteFileA(name); | |
1135 err: | |
1136 return 1; | |
1137 #endif | |
1138 } | |
1139 | |
1140 /********************************************* | |
1141 * Append to a file. | |
1142 * Returns: | |
1143 * 0 success | |
1144 */ | |
1145 | |
1146 int File::append() | |
1147 { | |
1148 #if linux | |
1149 return 1; | |
1150 #endif | |
1151 #if _WIN32 | |
1152 HANDLE h; | |
1153 DWORD numwritten; | |
1154 char *name; | |
1155 | |
1156 name = this->name->toChars(); | |
1157 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
1158 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
1159 if (h == INVALID_HANDLE_VALUE) | |
1160 goto err; | |
1161 | |
1162 #if 1 | |
1163 SetFilePointer(h, 0, NULL, FILE_END); | |
1164 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
1165 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
1166 goto err; | |
1167 #endif | |
1168 | |
1169 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
1170 goto err2; | |
1171 | |
1172 if (len != numwritten) | |
1173 goto err2; | |
1174 | |
1175 if (touchtime) { | |
1176 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
1177 } | |
1178 if (!CloseHandle(h)) | |
1179 goto err; | |
1180 return 0; | |
1181 | |
1182 err2: | |
1183 CloseHandle(h); | |
1184 err: | |
1185 return 1; | |
1186 #endif | |
1187 } | |
1188 | |
1189 /************************************** | |
1190 */ | |
1191 | |
1192 void File::readv() | |
1193 { | |
1194 if (read()) | |
1195 error("Error reading file '%s'\n",name->toChars()); | |
1196 } | |
1197 | |
1198 /************************************** | |
1199 */ | |
1200 | |
1201 void File::mmreadv() | |
1202 { | |
1203 if (mmread()) | |
1204 readv(); | |
1205 } | |
1206 | |
1207 void File::writev() | |
1208 { | |
1209 if (write()) | |
1210 error("Error writing file '%s'\n",name->toChars()); | |
1211 } | |
1212 | |
1213 void File::appendv() | |
1214 { | |
1215 if (write()) | |
1216 error("Error appending to file '%s'\n",name->toChars()); | |
1217 } | |
1218 | |
1219 /******************************************* | |
1220 * Return !=0 if file exists. | |
1221 * 0: file doesn't exist | |
1222 * 1: normal file | |
1223 * 2: directory | |
1224 */ | |
1225 | |
1226 int File::exists() | |
1227 { | |
1228 #if linux | |
1229 return 0; | |
1230 #endif | |
1231 #if _WIN32 | |
1232 DWORD dw; | |
1233 int result; | |
1234 char *name; | |
1235 | |
1236 name = this->name->toChars(); | |
1237 if (touchtime) | |
1238 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
1239 else | |
1240 dw = GetFileAttributesA(name); | |
1241 if (dw == -1L) | |
1242 result = 0; | |
1243 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
1244 result = 2; | |
1245 else | |
1246 result = 1; | |
1247 return result; | |
1248 #endif | |
1249 } | |
1250 | |
1251 void File::remove() | |
1252 { | |
1253 #if linux | |
1254 ::remove(this->name->toChars()); | |
1255 #endif | |
1256 #if _WIN32 | |
1257 DeleteFileA(this->name->toChars()); | |
1258 #endif | |
1259 } | |
1260 | |
1261 Array *File::match(char *n) | |
1262 { | |
1263 return match(new FileName(n, 0)); | |
1264 } | |
1265 | |
1266 Array *File::match(FileName *n) | |
1267 { | |
1268 #if linux | |
1269 return NULL; | |
1270 #endif | |
1271 #if _WIN32 | |
1272 HANDLE h; | |
1273 WIN32_FIND_DATAA fileinfo; | |
1274 Array *a; | |
1275 char *c; | |
1276 char *name; | |
1277 | |
1278 a = new Array(); | |
1279 c = n->toChars(); | |
1280 name = n->name(); | |
1281 h = FindFirstFileA(c,&fileinfo); | |
1282 if (h != INVALID_HANDLE_VALUE) | |
1283 { | |
1284 do | |
1285 { | |
1286 // Glue path together with name | |
1287 char *fn; | |
1288 File *f; | |
1289 | |
1290 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
1291 memcpy(fn, c, name - c); | |
1292 strcpy(fn + (name - c), fileinfo.cFileName); | |
1293 f = new File(fn); | |
1294 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
1295 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
1296 a->push(f); | |
1297 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
1298 FindClose(h); | |
1299 } | |
1300 return a; | |
1301 #endif | |
1302 } | |
1303 | |
1304 int File::compareTime(File *f) | |
1305 { | |
1306 #if linux | |
1307 return 0; | |
1308 #endif | |
1309 #if _WIN32 | |
1310 if (!touchtime) | |
1311 stat(); | |
1312 if (!f->touchtime) | |
1313 f->stat(); | |
1314 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
1315 #endif | |
1316 } | |
1317 | |
1318 void File::stat() | |
1319 { | |
1320 #if linux | |
1321 if (!touchtime) | |
1322 { | |
1323 touchtime = mem.calloc(1, sizeof(struct stat)); | |
1324 } | |
1325 #endif | |
1326 #if _WIN32 | |
1327 HANDLE h; | |
1328 | |
1329 if (!touchtime) | |
1330 { | |
1331 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
1332 } | |
1333 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
1334 if (h != INVALID_HANDLE_VALUE) | |
1335 { | |
1336 FindClose(h); | |
1337 } | |
1338 #endif | |
1339 } | |
1340 | |
1341 void File::checkoffset(size_t offset, size_t nbytes) | |
1342 { | |
1343 if (offset > len || offset + nbytes > len) | |
1344 error("Corrupt file '%s': offset x%"PRIxSIZE" off end of file",toChars(),offset); | |
1345 } | |
1346 | |
1347 char *File::toChars() | |
1348 { | |
1349 return name->toChars(); | |
1350 } | |
1351 | |
1352 | |
1353 /************************* OutBuffer *************************/ | |
1354 | |
1355 OutBuffer::OutBuffer() | |
1356 { | |
1357 data = NULL; | |
1358 offset = 0; | |
1359 size = 0; | |
1360 } | |
1361 | |
1362 OutBuffer::~OutBuffer() | |
1363 { | |
1364 mem.free(data); | |
1365 } | |
1366 | |
1367 void *OutBuffer::extractData() | |
1368 { | |
1369 void *p; | |
1370 | |
1371 p = (void *)data; | |
1372 data = NULL; | |
1373 offset = 0; | |
1374 size = 0; | |
1375 return p; | |
1376 } | |
1377 | |
1378 void OutBuffer::mark() | |
1379 { | |
1380 mem.mark(data); | |
1381 } | |
1382 | |
1383 void OutBuffer::reserve(unsigned nbytes) | |
1384 { | |
1385 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); | |
1386 if (size - offset < nbytes) | |
1387 { | |
1388 size = (offset + nbytes) * 2; | |
1389 data = (unsigned char *)mem.realloc(data, size); | |
1390 } | |
1391 } | |
1392 | |
1393 void OutBuffer::reset() | |
1394 { | |
1395 offset = 0; | |
1396 } | |
1397 | |
1398 void OutBuffer::setsize(unsigned size) | |
1399 { | |
1400 offset = size; | |
1401 } | |
1402 | |
1403 void OutBuffer::write(const void *data, unsigned nbytes) | |
1404 { | |
1405 reserve(nbytes); | |
1406 memcpy(this->data + offset, data, nbytes); | |
1407 offset += nbytes; | |
1408 } | |
1409 | |
1410 void OutBuffer::writebstring(unsigned char *string) | |
1411 { | |
1412 write(string,*string + 1); | |
1413 } | |
1414 | |
1415 void OutBuffer::writestring(const char *string) | |
1416 { | |
1417 write(string,strlen(string)); | |
1418 } | |
1419 | |
1420 void OutBuffer::writedstring(const char *string) | |
1421 { | |
1422 #if M_UNICODE | |
1423 for (; *string; string++) | |
1424 { | |
1425 writedchar(*string); | |
1426 } | |
1427 #else | |
1428 write(string,strlen(string)); | |
1429 #endif | |
1430 } | |
1431 | |
1432 void OutBuffer::writedstring(const wchar_t *string) | |
1433 { | |
1434 #if M_UNICODE | |
1435 write(string,wcslen(string) * sizeof(wchar_t)); | |
1436 #else | |
1437 for (; *string; string++) | |
1438 { | |
1439 writedchar(*string); | |
1440 } | |
1441 #endif | |
1442 } | |
1443 | |
1444 void OutBuffer::prependstring(char *string) | |
1445 { unsigned len; | |
1446 | |
1447 len = strlen(string); | |
1448 reserve(len); | |
1449 memmove(data + len, data, offset); | |
1450 memcpy(data, string, len); | |
1451 offset += len; | |
1452 } | |
1453 | |
1454 void OutBuffer::writenl() | |
1455 { | |
1456 #if _WIN32 | |
1457 #if M_UNICODE | |
1458 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
1459 #else | |
1460 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
1461 #endif | |
1462 #else | |
1463 #if M_UNICODE | |
1464 writeword('\n'); | |
1465 #else | |
1466 writeByte('\n'); | |
1467 #endif | |
1468 #endif | |
1469 } | |
1470 | |
1471 void OutBuffer::writeByte(unsigned b) | |
1472 { | |
1473 reserve(1); | |
1474 this->data[offset] = (unsigned char)b; | |
1475 offset++; | |
1476 } | |
1477 | |
1478 void OutBuffer::writeUTF8(unsigned b) | |
1479 { | |
1480 reserve(6); | |
1481 if (b <= 0x7F) | |
1482 { | |
1483 this->data[offset] = (unsigned char)b; | |
1484 offset++; | |
1485 } | |
1486 else if (b <= 0x7FF) | |
1487 { | |
1488 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
1489 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
1490 offset += 2; | |
1491 } | |
1492 else if (b <= 0xFFFF) | |
1493 { | |
1494 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
1495 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
1496 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
1497 offset += 3; | |
1498 } | |
1499 else if (b <= 0x1FFFFF) | |
1500 { | |
1501 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
1502 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
1503 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
1504 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
1505 offset += 4; | |
1506 } | |
1507 else if (b <= 0x3FFFFFF) | |
1508 { | |
1509 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
1510 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
1511 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
1512 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
1513 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
1514 offset += 5; | |
1515 } | |
1516 else if (b <= 0x7FFFFFFF) | |
1517 { | |
1518 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
1519 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
1520 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
1521 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
1522 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
1523 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
1524 offset += 6; | |
1525 } | |
1526 else | |
1527 assert(0); | |
1528 } | |
1529 | |
1530 void OutBuffer::writedchar(unsigned b) | |
1531 { | |
1532 reserve(Dchar_mbmax * sizeof(dchar)); | |
1533 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
1534 this->data; | |
1535 } | |
1536 | |
1537 void OutBuffer::prependbyte(unsigned b) | |
1538 { | |
1539 reserve(1); | |
1540 memmove(data + 1, data, offset); | |
1541 data[0] = (unsigned char)b; | |
1542 offset++; | |
1543 } | |
1544 | |
1545 void OutBuffer::writeword(unsigned w) | |
1546 { | |
1547 reserve(2); | |
1548 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
1549 offset += 2; | |
1550 } | |
1551 | |
1552 void OutBuffer::writeUTF16(unsigned w) | |
1553 { | |
1554 reserve(4); | |
1555 if (w <= 0xFFFF) | |
1556 { | |
1557 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
1558 offset += 2; | |
1559 } | |
1560 else if (w <= 0x10FFFF) | |
1561 { | |
1562 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
1563 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
1564 offset += 4; | |
1565 } | |
1566 else | |
1567 assert(0); | |
1568 } | |
1569 | |
1570 void OutBuffer::write4(unsigned w) | |
1571 { | |
1572 reserve(4); | |
1573 *(unsigned long *)(this->data + offset) = w; | |
1574 offset += 4; | |
1575 } | |
1576 | |
1577 void OutBuffer::write(OutBuffer *buf) | |
1578 { | |
1579 if (buf) | |
1580 { reserve(buf->offset); | |
1581 memcpy(data + offset, buf->data, buf->offset); | |
1582 offset += buf->offset; | |
1583 } | |
1584 } | |
1585 | |
1586 void OutBuffer::write(Object *obj) | |
1587 { | |
1588 if (obj) | |
1589 { | |
1590 writestring(obj->toChars()); | |
1591 } | |
1592 } | |
1593 | |
1594 void OutBuffer::fill0(unsigned nbytes) | |
1595 { | |
1596 reserve(nbytes); | |
1597 memset(data + offset,0,nbytes); | |
1598 offset += nbytes; | |
1599 } | |
1600 | |
1601 void OutBuffer::align(unsigned size) | |
1602 { unsigned nbytes; | |
1603 | |
1604 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
1605 fill0(nbytes); | |
1606 } | |
1607 | |
1608 void OutBuffer::vprintf(const char *format, va_list args) | |
1609 { | |
1610 char buffer[128]; | |
1611 char *p; | |
1612 unsigned psize; | |
1613 int count; | |
1614 | |
1615 p = buffer; | |
1616 psize = sizeof(buffer); | |
1617 for (;;) | |
1618 { | |
1619 #if _WIN32 | |
1620 count = _vsnprintf(p,psize,format,args); | |
1621 if (count != -1) | |
1622 break; | |
1623 psize *= 2; | |
1624 #endif | |
1625 #if linux | |
1626 count = vsnprintf(p,psize,format,args); | |
1627 if (count == -1) | |
1628 psize *= 2; | |
1629 else if (count >= psize) | |
1630 psize = count + 1; | |
1631 else | |
1632 break; | |
1633 #endif | |
1634 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
1635 } | |
1636 write(p,count); | |
1637 } | |
1638 | |
1639 #if M_UNICODE | |
1640 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
1641 { | |
1642 dchar buffer[128]; | |
1643 dchar *p; | |
1644 unsigned psize; | |
1645 int count; | |
1646 | |
1647 p = buffer; | |
1648 psize = sizeof(buffer) / sizeof(buffer[0]); | |
1649 for (;;) | |
1650 { | |
1651 #if _WIN32 | |
1652 count = _vsnwprintf(p,psize,format,args); | |
1653 if (count != -1) | |
1654 break; | |
1655 psize *= 2; | |
1656 #endif | |
1657 #if linux | |
1658 count = vsnwprintf(p,psize,format,args); | |
1659 if (count == -1) | |
1660 psize *= 2; | |
1661 else if (count >= psize) | |
1662 psize = count + 1; | |
1663 else | |
1664 break; | |
1665 #endif | |
1666 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
1667 } | |
1668 write(p,count * 2); | |
1669 } | |
1670 #endif | |
1671 | |
1672 void OutBuffer::printf(const char *format, ...) | |
1673 { | |
1674 va_list ap; | |
1675 va_start(ap, format); | |
1676 vprintf(format,ap); | |
1677 va_end(ap); | |
1678 } | |
1679 | |
1680 #if M_UNICODE | |
1681 void OutBuffer::printf(const wchar_t *format, ...) | |
1682 { | |
1683 va_list ap; | |
1684 va_start(ap, format); | |
1685 vprintf(format,ap); | |
1686 va_end(ap); | |
1687 } | |
1688 #endif | |
1689 | |
1690 void OutBuffer::bracket(char left, char right) | |
1691 { | |
1692 reserve(2); | |
1693 memmove(data + 1, data, offset); | |
1694 data[0] = left; | |
1695 data[offset + 1] = right; | |
1696 offset += 2; | |
1697 } | |
1698 | |
1699 /****************** | |
1700 * Insert left at i, and right at j. | |
1701 * Return index just past right. | |
1702 */ | |
1703 | |
1704 unsigned OutBuffer::bracket(unsigned i, char *left, unsigned j, char *right) | |
1705 { | |
1706 size_t leftlen = strlen(left); | |
1707 size_t rightlen = strlen(right); | |
1708 reserve(leftlen + rightlen); | |
1709 insert(i, left, leftlen); | |
1710 insert(j + leftlen, right, rightlen); | |
1711 return j + leftlen + rightlen; | |
1712 } | |
1713 | |
1714 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
1715 { | |
1716 reserve(nbytes); | |
1717 memmove(data + offset + nbytes, data + offset, | |
1718 this->offset - offset); | |
1719 this->offset += nbytes; | |
1720 } | |
1721 | |
1722 /**************************************** | |
1723 * Returns: offset + nbytes | |
1724 */ | |
1725 | |
1726 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
1727 { | |
1728 spread(offset, nbytes); | |
1729 memmove(data + offset, p, nbytes); | |
1730 return offset + nbytes; | |
1731 } | |
1732 | |
1733 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
1734 { | |
1735 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
1736 this->offset -= nbytes; | |
1737 } | |
1738 | |
1739 char *OutBuffer::toChars() | |
1740 { | |
1741 writeByte(0); | |
1742 return (char *)data; | |
1743 } | |
1744 | |
1745 /********************************* Bits ****************************/ | |
1746 | |
1747 Bits::Bits() | |
1748 { | |
1749 data = NULL; | |
1750 bitdim = 0; | |
1751 allocdim = 0; | |
1752 } | |
1753 | |
1754 Bits::~Bits() | |
1755 { | |
1756 mem.free(data); | |
1757 } | |
1758 | |
1759 void Bits::mark() | |
1760 { | |
1761 mem.mark(data); | |
1762 } | |
1763 | |
1764 void Bits::resize(unsigned bitdim) | |
1765 { | |
1766 unsigned allocdim; | |
1767 unsigned mask; | |
1768 | |
1769 allocdim = (bitdim + 31) / 32; | |
1770 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
1771 if (this->allocdim < allocdim) | |
1772 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
1773 | |
1774 // Clear other bits in last word | |
1775 mask = (1 << (bitdim & 31)) - 1; | |
1776 if (mask) | |
1777 data[allocdim - 1] &= ~mask; | |
1778 | |
1779 this->bitdim = bitdim; | |
1780 this->allocdim = allocdim; | |
1781 } | |
1782 | |
1783 void Bits::set(unsigned bitnum) | |
1784 { | |
1785 data[bitnum / 32] |= 1 << (bitnum & 31); | |
1786 } | |
1787 | |
1788 void Bits::clear(unsigned bitnum) | |
1789 { | |
1790 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
1791 } | |
1792 | |
1793 int Bits::test(unsigned bitnum) | |
1794 { | |
1795 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
1796 } | |
1797 | |
1798 void Bits::set() | |
1799 { unsigned mask; | |
1800 | |
1801 memset(data, ~0, allocdim * sizeof(data[0])); | |
1802 | |
1803 // Clear other bits in last word | |
1804 mask = (1 << (bitdim & 31)) - 1; | |
1805 if (mask) | |
1806 data[allocdim - 1] &= mask; | |
1807 } | |
1808 | |
1809 void Bits::clear() | |
1810 { | |
1811 memset(data, 0, allocdim * sizeof(data[0])); | |
1812 } | |
1813 | |
1814 void Bits::copy(Bits *from) | |
1815 { | |
1816 assert(bitdim == from->bitdim); | |
1817 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
1818 } | |
1819 | |
1820 Bits *Bits::clone() | |
1821 { | |
1822 Bits *b; | |
1823 | |
1824 b = new Bits(); | |
1825 b->resize(bitdim); | |
1826 b->copy(this); | |
1827 return b; | |
1828 } | |
1829 | |
1830 void Bits::sub(Bits *b) | |
1831 { | |
1832 unsigned u; | |
1833 | |
1834 for (u = 0; u < allocdim; u++) | |
1835 data[u] &= ~b->data[u]; | |
1836 } | |
1837 | |
1838 | |
1839 | |
1840 | |
1841 | |
1842 | |
1843 | |
1844 | |
1845 | |
1846 | |
1847 | |
1848 | |
1849 | |
1850 | |
1851 |