Mercurial > projects > ldc
annotate dmd/root.c @ 1183:df386fd4030e
Commit requested by lindquist.
| author | Frits van Bommel <fvbommel wxs.nl> |
|---|---|
| date | Tue, 31 Mar 2009 03:06:19 +0200 |
| parents | 0f8aeb31678c |
| children | c271eca933fb |
| rev | line source |
|---|---|
| 336 | 1 |
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2 // Copyright (c) 1999-2009 by Digital Mars |
| 336 | 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 | |
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17 #if (defined (__SVR4) && defined (__sun)) |
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18 #include <alloca.h> |
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19 #endif |
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20 |
| 336 | 21 #if _MSC_VER ||__MINGW32__ |
| 22 #include <malloc.h> | |
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23 #include <string> |
| 336 | 24 #endif |
| 25 | |
| 26 #if _WIN32 | |
| 27 #include <windows.h> | |
| 28 #include <direct.h> | |
| 29 #endif | |
| 30 | |
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31 #if POSIX |
| 336 | 32 #include <sys/types.h> |
| 33 #include <sys/stat.h> | |
| 34 #include <fcntl.h> | |
| 35 #include <errno.h> | |
| 36 #include <unistd.h> | |
| 37 #include <utime.h> | |
| 38 #endif | |
| 39 | |
| 40 #include "port.h" | |
| 41 #include "root.h" | |
| 42 #include "dchar.h" | |
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43 #include "rmem.h" |
| 336 | 44 #include "mars.h" |
| 45 | |
| 46 #if 0 //__SC__ //def DEBUG | |
| 47 extern "C" void __cdecl _assert(void *e, void *f, unsigned line) | |
| 48 { | |
| 49 printf("Assert('%s','%s',%d)\n",e,f,line); | |
| 50 fflush(stdout); | |
| 51 *(char *)0 = 0; | |
| 52 } | |
| 53 #endif | |
| 54 | |
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55 |
| 336 | 56 /************************************* |
| 57 * Convert wchar string to ascii string. | |
| 58 */ | |
| 59 | |
| 60 char *wchar2ascii(wchar_t *us) | |
| 61 { | |
| 62 return wchar2ascii(us, wcslen(us)); | |
| 63 } | |
| 64 | |
| 65 char *wchar2ascii(wchar_t *us, unsigned len) | |
| 66 { | |
| 67 unsigned i; | |
| 68 char *p; | |
| 69 | |
| 70 p = (char *)mem.malloc(len + 1); | |
| 71 for (i = 0; i <= len; i++) | |
| 72 p[i] = (char) us[i]; | |
| 73 return p; | |
| 74 } | |
| 75 | |
| 76 int wcharIsAscii(wchar_t *us) | |
| 77 { | |
| 78 return wcharIsAscii(us, wcslen(us)); | |
| 79 } | |
| 80 | |
| 81 int wcharIsAscii(wchar_t *us, unsigned len) | |
| 82 { | |
| 83 unsigned i; | |
| 84 | |
| 85 for (i = 0; i <= len; i++) | |
| 86 { | |
| 87 if (us[i] & ~0xFF) // if high bits set | |
| 88 return 0; // it's not ascii | |
| 89 } | |
| 90 return 1; | |
| 91 } | |
| 92 | |
| 93 | |
| 94 /*********************************** | |
| 95 * Compare length-prefixed strings (bstr). | |
| 96 */ | |
| 97 | |
| 98 int bstrcmp(unsigned char *b1, unsigned char *b2) | |
| 99 { | |
| 100 return (*b1 == *b2 && memcmp(b1 + 1, b2 + 1, *b2) == 0) ? 0 : 1; | |
| 101 } | |
| 102 | |
| 103 /*************************************** | |
| 104 * Convert bstr into a malloc'd string. | |
| 105 */ | |
| 106 | |
| 107 char *bstr2str(unsigned char *b) | |
| 108 { | |
| 109 char *s; | |
| 110 unsigned len; | |
| 111 | |
| 112 len = *b; | |
| 113 s = (char *) mem.malloc(len + 1); | |
| 114 s[len] = 0; | |
| 115 return (char *)memcpy(s,b + 1,len); | |
| 116 } | |
| 117 | |
| 118 /************************************** | |
| 119 * Print error message and exit. | |
| 120 */ | |
| 121 | |
| 122 void error(const char *format, ...) | |
| 123 { | |
| 124 va_list ap; | |
| 125 | |
| 126 va_start(ap, format); | |
| 127 printf("Error: "); | |
| 128 vprintf(format, ap); | |
| 129 va_end( ap ); | |
| 130 printf("\n"); | |
| 131 fflush(stdout); | |
| 132 | |
| 133 exit(EXIT_FAILURE); | |
| 134 } | |
| 135 | |
| 136 #if M_UNICODE | |
| 137 void error(const dchar *format, ...) | |
| 138 { | |
| 139 va_list ap; | |
| 140 | |
| 141 va_start(ap, format); | |
| 142 printf("Error: "); | |
| 143 vwprintf(format, ap); | |
| 144 va_end( ap ); | |
| 145 printf("\n"); | |
| 146 fflush(stdout); | |
| 147 | |
| 148 exit(EXIT_FAILURE); | |
| 149 } | |
| 150 #endif | |
| 151 | |
| 152 void error_mem() | |
| 153 { | |
| 154 error("out of memory"); | |
| 155 } | |
| 156 | |
| 157 /************************************** | |
| 158 * Print warning message. | |
| 159 */ | |
| 160 | |
| 161 void warning(const char *format, ...) | |
| 162 { | |
| 163 va_list ap; | |
| 164 | |
| 165 va_start(ap, format); | |
| 166 printf("Warning: "); | |
| 167 vprintf(format, ap); | |
| 168 va_end( ap ); | |
| 169 printf("\n"); | |
| 170 fflush(stdout); | |
| 171 } | |
| 172 | |
| 173 /****************************** Object ********************************/ | |
| 174 | |
| 175 int Object::equals(Object *o) | |
| 176 { | |
| 177 return o == this; | |
| 178 } | |
| 179 | |
| 180 hash_t Object::hashCode() | |
| 181 { | |
| 182 return (hash_t) this; | |
| 183 } | |
| 184 | |
| 185 int Object::compare(Object *obj) | |
| 186 { | |
| 187 return this - obj; | |
| 188 } | |
| 189 | |
| 190 void Object::print() | |
| 191 { | |
| 192 printf("%s %p\n", toChars(), this); | |
| 193 } | |
| 194 | |
| 195 char *Object::toChars() | |
| 196 { | |
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197 return (char *)"Object"; |
| 336 | 198 } |
| 199 | |
| 200 dchar *Object::toDchars() | |
| 201 { | |
| 202 #if M_UNICODE | |
| 203 return L"Object"; | |
| 204 #else | |
| 205 return toChars(); | |
| 206 #endif | |
| 207 } | |
| 208 | |
| 209 int Object::dyncast() | |
| 210 { | |
| 211 return 0; | |
| 212 } | |
| 213 | |
| 214 void Object::toBuffer(OutBuffer *b) | |
| 215 { | |
| 216 b->writestring("Object"); | |
| 217 } | |
| 218 | |
| 219 void Object::mark() | |
| 220 { | |
| 221 } | |
| 222 | |
| 223 /****************************** String ********************************/ | |
| 224 | |
| 225 String::String(char *str, int ref) | |
| 226 { | |
| 227 this->str = ref ? str : mem.strdup(str); | |
| 228 this->ref = ref; | |
| 229 } | |
| 230 | |
| 231 String::~String() | |
| 232 { | |
| 233 mem.free(str); | |
| 234 } | |
| 235 | |
| 236 void String::mark() | |
| 237 { | |
| 238 mem.mark(str); | |
| 239 } | |
| 240 | |
| 241 hash_t String::calcHash(const char *str, size_t len) | |
| 242 { | |
| 243 hash_t hash = 0; | |
| 244 | |
| 245 for (;;) | |
| 246 { | |
| 247 switch (len) | |
| 248 { | |
| 249 case 0: | |
| 250 return hash; | |
| 251 | |
| 252 case 1: | |
| 253 hash *= 37; | |
| 254 hash += *(uint8_t *)str; | |
| 255 return hash; | |
| 256 | |
| 257 case 2: | |
| 258 hash *= 37; | |
| 259 hash += *(uint16_t *)str; | |
| 260 return hash; | |
| 261 | |
| 262 case 3: | |
| 263 hash *= 37; | |
| 264 hash += (*(uint16_t *)str << 8) + | |
| 265 ((uint8_t *)str)[2]; | |
| 266 return hash; | |
| 267 | |
| 268 default: | |
| 269 hash *= 37; | |
| 270 hash += *(uint32_t *)str; | |
| 271 str += 4; | |
| 272 len -= 4; | |
| 273 break; | |
| 274 } | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 hash_t String::calcHash(const char *str) | |
| 279 { | |
| 280 return calcHash(str, strlen(str)); | |
| 281 } | |
| 282 | |
| 283 hash_t String::hashCode() | |
| 284 { | |
| 285 return calcHash(str, strlen(str)); | |
| 286 } | |
| 287 | |
| 288 unsigned String::len() | |
| 289 { | |
| 290 return strlen(str); | |
| 291 } | |
| 292 | |
| 293 int String::equals(Object *obj) | |
| 294 { | |
| 295 return strcmp(str,((String *)obj)->str) == 0; | |
| 296 } | |
| 297 | |
| 298 int String::compare(Object *obj) | |
| 299 { | |
| 300 return strcmp(str,((String *)obj)->str); | |
| 301 } | |
| 302 | |
| 303 char *String::toChars() | |
| 304 { | |
| 305 return str; | |
| 306 } | |
| 307 | |
| 308 void String::print() | |
| 309 { | |
| 310 printf("String '%s'\n",str); | |
| 311 } | |
| 312 | |
| 313 | |
| 314 /****************************** FileName ********************************/ | |
| 315 | |
| 316 FileName::FileName(char *str, int ref) | |
| 317 : String(str,ref) | |
| 318 { | |
| 319 } | |
| 320 | |
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321 char *FileName::combine(const char *path, const char *name) |
| 336 | 322 { char *f; |
| 323 size_t pathlen; | |
| 324 size_t namelen; | |
| 325 | |
| 326 if (!path || !*path) | |
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327 return (char *)name; |
| 336 | 328 pathlen = strlen(path); |
| 329 namelen = strlen(name); | |
| 330 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 331 memcpy(f, path, pathlen); | |
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332 |
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333 if ( |
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334 path[pathlen - 1] != '/' |
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335 #if _WIN32 |
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336 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
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337 #endif |
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338 ) |
| 336 | 339 { f[pathlen] = '/'; |
| 340 pathlen++; | |
| 341 } | |
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342 |
| 336 | 343 memcpy(f + pathlen, name, namelen + 1); |
| 344 return f; | |
| 345 } | |
| 346 | |
| 347 FileName::FileName(char *path, char *name) | |
| 348 : String(combine(path,name),1) | |
| 349 { | |
| 350 } | |
| 351 | |
| 352 // Split a path into an Array of paths | |
| 353 Array *FileName::splitPath(const char *path) | |
| 354 { | |
| 355 char c = 0; // unnecessary initializer is for VC /W4 | |
| 356 const char *p; | |
| 357 OutBuffer buf; | |
| 358 Array *array; | |
| 359 | |
| 360 array = new Array(); | |
| 361 if (path) | |
| 362 { | |
| 363 p = path; | |
| 364 do | |
| 365 { char instring = 0; | |
| 366 | |
| 367 while (isspace(*p)) // skip leading whitespace | |
| 368 p++; | |
| 369 buf.reserve(strlen(p) + 1); // guess size of path | |
| 370 for (; ; p++) | |
| 371 { | |
| 372 c = *p; | |
| 373 switch (c) | |
| 374 { | |
| 375 case '"': | |
| 376 instring ^= 1; // toggle inside/outside of string | |
| 377 continue; | |
| 378 | |
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379 #if MACINTOSH |
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380 case ',': |
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381 #endif |
| 336 | 382 #if _WIN32 |
| 383 case ';': | |
| 384 #endif | |
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385 #if POSIX |
| 336 | 386 case ':': |
| 387 #endif | |
| 388 p++; | |
| 389 break; // note that ; cannot appear as part | |
| 390 // of a path, quotes won't protect it | |
| 391 | |
| 392 case 0x1A: // ^Z means end of file | |
| 393 case 0: | |
| 394 break; | |
| 395 | |
| 396 case '\r': | |
| 397 continue; // ignore carriage returns | |
| 398 | |
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399 #if POSIX |
| 336 | 400 case '~': |
| 401 buf.writestring(getenv("HOME")); | |
| 402 continue; | |
| 403 #endif | |
| 404 | |
| 405 case ' ': | |
| 406 case '\t': // tabs in filenames? | |
| 407 if (!instring) // if not in string | |
| 408 break; // treat as end of path | |
| 409 default: | |
| 410 buf.writeByte(c); | |
| 411 continue; | |
| 412 } | |
| 413 break; | |
| 414 } | |
| 415 if (buf.offset) // if path is not empty | |
| 416 { | |
| 417 buf.writeByte(0); // to asciiz | |
| 418 array->push(buf.extractData()); | |
| 419 } | |
| 420 } while (c); | |
| 421 } | |
| 422 return array; | |
| 423 } | |
| 424 | |
| 425 hash_t FileName::hashCode() | |
| 426 { | |
| 427 #if _WIN32 | |
| 428 // We need a different hashCode because it must be case-insensitive | |
| 429 size_t len = strlen(str); | |
| 430 hash_t hash = 0; | |
| 431 unsigned char *s = (unsigned char *)str; | |
| 432 | |
| 433 for (;;) | |
| 434 { | |
| 435 switch (len) | |
| 436 { | |
| 437 case 0: | |
| 438 return hash; | |
| 439 | |
| 440 case 1: | |
| 441 hash *= 37; | |
| 442 hash += *(uint8_t *)s | 0x20; | |
| 443 return hash; | |
| 444 | |
| 445 case 2: | |
| 446 hash *= 37; | |
| 447 hash += *(uint16_t *)s | 0x2020; | |
| 448 return hash; | |
| 449 | |
| 450 case 3: | |
| 451 hash *= 37; | |
| 452 hash += ((*(uint16_t *)s << 8) + | |
| 453 ((uint8_t *)s)[2]) | 0x202020; | |
| 454 break; | |
| 455 | |
| 456 default: | |
| 457 hash *= 37; | |
| 458 hash += *(uint32_t *)s | 0x20202020; | |
| 459 s += 4; | |
| 460 len -= 4; | |
| 461 break; | |
| 462 } | |
| 463 } | |
| 464 #else | |
| 465 // darwin HFS is case insensitive, though... | |
| 466 return String::hashCode(); | |
| 467 #endif | |
| 468 } | |
| 469 | |
| 470 int FileName::compare(Object *obj) | |
| 471 { | |
| 472 #if _WIN32 | |
| 473 return stricmp(str,((FileName *)obj)->str); | |
| 474 #else | |
| 475 return String::compare(obj); | |
| 476 #endif | |
| 477 } | |
| 478 | |
| 479 int FileName::equals(Object *obj) | |
| 480 { | |
| 481 #if _WIN32 | |
| 482 return stricmp(str,((FileName *)obj)->str) == 0; | |
| 483 #else | |
| 484 return String::equals(obj); | |
| 485 #endif | |
| 486 } | |
| 487 | |
| 488 /************************************ | |
| 489 * Return !=0 if absolute path name. | |
| 490 */ | |
| 491 | |
| 492 int FileName::absolute(const char *name) | |
| 493 { | |
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494 return |
| 336 | 495 #if _WIN32 |
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496 (*name == '\\') || |
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497 (*name == '/') || |
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498 (*name && name[1] == ':') || |
| 336 | 499 #endif |
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500 (*name == '/'); |
| 336 | 501 } |
| 502 | |
| 503 /******************************** | |
| 504 * Return filename extension (read-only). | |
| 505 * Points past '.' of extension. | |
| 506 * If there isn't one, return NULL. | |
| 507 */ | |
| 508 | |
| 509 char *FileName::ext(const char *str) | |
| 510 { | |
| 511 char *e; | |
| 512 size_t len = strlen(str); | |
| 513 | |
| 514 e = (char *)str + len; | |
| 515 for (;;) | |
| 516 { | |
| 517 switch (*e) | |
| 518 { case '.': | |
| 519 return e + 1; | |
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520 |
| 336 | 521 case '/': |
| 522 break; | |
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523 |
| 336 | 524 #if _WIN32 |
| 525 case '\\': | |
| 526 case ':': | |
| 527 break; | |
| 528 #endif | |
| 529 default: | |
| 530 if (e == str) | |
| 531 break; | |
| 532 e--; | |
| 533 continue; | |
| 534 } | |
| 535 return NULL; | |
| 536 } | |
| 537 } | |
| 538 | |
| 539 char *FileName::ext() | |
| 540 { | |
| 541 return ext(str); | |
| 542 } | |
| 543 | |
| 544 /******************************** | |
| 545 * Return mem.malloc'd filename with extension removed. | |
| 546 */ | |
| 547 | |
| 548 char *FileName::removeExt(const char *str) | |
| 549 { | |
| 550 const char *e = ext(str); | |
| 551 if (e) | |
| 552 { size_t len = (e - str) - 1; | |
| 553 char *n = (char *)mem.malloc(len + 1); | |
| 554 memcpy(n, str, len); | |
| 555 n[len] = 0; | |
| 556 return n; | |
| 557 } | |
| 558 return mem.strdup(str); | |
| 559 } | |
| 560 | |
| 561 /******************************** | |
| 562 * Return filename name excluding path (read-only). | |
| 563 */ | |
| 564 | |
| 565 char *FileName::name(const char *str) | |
| 566 { | |
| 567 char *e; | |
| 568 size_t len = strlen(str); | |
| 569 | |
| 570 e = (char *)str + len; | |
| 571 for (;;) | |
| 572 { | |
| 573 switch (*e) | |
| 574 { | |
|
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|
575 |
| 336 | 576 case '/': |
| 577 return e + 1; | |
|
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|
578 |
| 336 | 579 #if _WIN32 |
| 580 case '\\': | |
| 581 case ':': | |
| 582 return e + 1; | |
| 583 #endif | |
| 584 default: | |
| 585 if (e == str) | |
| 586 break; | |
| 587 e--; | |
| 588 continue; | |
| 589 } | |
| 590 return e; | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 char *FileName::name() | |
| 595 { | |
| 596 return name(str); | |
| 597 } | |
| 598 | |
| 599 /************************************** | |
| 600 * Return path portion of str. | |
| 601 * Path will does not include trailing path separator. | |
| 602 */ | |
| 603 | |
| 604 char *FileName::path(const char *str) | |
| 605 { | |
| 606 char *n = name(str); | |
| 607 char *path; | |
| 608 size_t pathlen; | |
| 609 | |
| 610 if (n > str) | |
| 611 { | |
|
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336
diff
changeset
|
612 |
| 336 | 613 if (n[-1] == '/') |
| 614 n--; | |
|
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|
615 |
| 336 | 616 #if _WIN32 |
| 617 if (n[-1] == '\\') | |
| 618 n--; | |
| 619 #endif | |
| 620 } | |
| 621 pathlen = n - str; | |
| 622 path = (char *)mem.malloc(pathlen + 1); | |
| 623 memcpy(path, str, pathlen); | |
| 624 path[pathlen] = 0; | |
| 625 return path; | |
| 626 } | |
| 627 | |
| 628 /************************************** | |
| 629 * Replace filename portion of path. | |
| 630 */ | |
| 631 | |
| 632 char *FileName::replaceName(char *path, char *name) | |
| 633 { char *f; | |
| 634 char *n; | |
| 635 size_t pathlen; | |
| 636 size_t namelen; | |
| 637 | |
| 638 if (absolute(name)) | |
| 639 return name; | |
| 640 | |
| 641 n = FileName::name(path); | |
| 642 if (n == path) | |
| 643 return name; | |
| 644 pathlen = n - path; | |
| 645 namelen = strlen(name); | |
| 646 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 647 memcpy(f, path, pathlen); | |
|
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changeset
|
648 |
|
431
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Another fix to DMD's path code.
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changeset
|
649 if ( |
|
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|
650 path[pathlen - 1] != '/' |
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diff
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|
651 #if _WIN32 |
|
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|
652 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
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653 #endif |
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|
654 ) |
| 336 | 655 { f[pathlen] = '/'; |
| 656 pathlen++; | |
| 657 } | |
|
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|
658 |
| 336 | 659 memcpy(f + pathlen, name, namelen + 1); |
| 660 return f; | |
| 661 } | |
| 662 | |
| 663 /*************************** | |
| 664 */ | |
| 665 | |
| 666 FileName *FileName::defaultExt(const char *name, const char *ext) | |
| 667 { | |
| 668 char *e; | |
| 669 char *s; | |
| 670 size_t len; | |
| 671 size_t extlen; | |
| 672 | |
| 673 e = FileName::ext(name); | |
| 674 if (e) // if already has an extension | |
| 675 return new FileName((char *)name, 0); | |
| 676 | |
| 677 len = strlen(name); | |
| 678 extlen = strlen(ext); | |
| 679 s = (char *)alloca(len + 1 + extlen + 1); | |
| 680 memcpy(s,name,len); | |
| 681 s[len] = '.'; | |
| 682 memcpy(s + len + 1, ext, extlen + 1); | |
| 683 return new FileName(s, 0); | |
| 684 } | |
| 685 | |
| 686 /*************************** | |
| 687 */ | |
| 688 | |
| 689 FileName *FileName::forceExt(const char *name, const char *ext) | |
| 690 { | |
| 691 char *e; | |
| 692 char *s; | |
| 693 size_t len; | |
| 694 size_t extlen; | |
| 695 | |
| 696 e = FileName::ext(name); | |
| 697 if (e) // if already has an extension | |
| 698 { | |
| 699 len = e - name; | |
| 700 extlen = strlen(ext); | |
| 701 | |
| 702 s = (char *)alloca(len + extlen + 1); | |
| 703 memcpy(s,name,len); | |
| 704 memcpy(s + len, ext, extlen + 1); | |
| 705 return new FileName(s, 0); | |
| 706 } | |
| 707 else | |
| 708 return defaultExt(name, ext); // doesn't have one | |
| 709 } | |
| 710 | |
| 711 /****************************** | |
| 712 * Return !=0 if extensions match. | |
| 713 */ | |
| 714 | |
| 715 int FileName::equalsExt(const char *ext) | |
| 716 { const char *e; | |
| 717 | |
| 718 e = FileName::ext(); | |
| 719 if (!e && !ext) | |
| 720 return 1; | |
| 721 if (!e || !ext) | |
| 722 return 0; | |
|
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Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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changeset
|
723 #if POSIX |
| 336 | 724 return strcmp(e,ext) == 0; |
| 725 #endif | |
| 726 #if _WIN32 | |
| 727 return stricmp(e,ext) == 0; | |
| 728 #endif | |
| 729 } | |
| 730 | |
| 731 /************************************* | |
| 732 * Copy file from this to to. | |
| 733 */ | |
| 734 | |
| 735 void FileName::CopyTo(FileName *to) | |
| 736 { | |
| 737 File file(this); | |
| 738 | |
| 739 #if _WIN32 | |
| 740 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
| 741 #endif | |
|
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diff
changeset
|
742 #if POSIX |
| 336 | 743 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time |
| 744 #endif | |
| 745 file.readv(); | |
| 746 file.name = to; | |
| 747 file.writev(); | |
| 748 } | |
| 749 | |
| 750 /************************************* | |
| 751 * Search Path for file. | |
| 752 * Input: | |
| 753 * cwd if !=0, search current directory before searching path | |
| 754 */ | |
| 755 | |
|
658
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Upgraded frontend to DMD 1.035
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571
diff
changeset
|
756 char *FileName::searchPath(Array *path, const char *name, int cwd) |
| 336 | 757 { |
| 758 if (absolute(name)) | |
| 759 { | |
|
658
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|
760 return exists(name) ? (char *)name : NULL; |
| 336 | 761 } |
| 762 if (cwd) | |
| 763 { | |
| 764 if (exists(name)) | |
|
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|
765 return (char *)name; |
| 336 | 766 } |
| 767 if (path) | |
| 768 { unsigned i; | |
| 769 | |
| 770 for (i = 0; i < path->dim; i++) | |
| 771 { | |
| 772 char *p = (char *)path->data[i]; | |
| 773 char *n = combine(p, name); | |
| 774 | |
| 775 if (exists(n)) | |
| 776 return n; | |
| 777 } | |
| 778 } | |
| 779 return NULL; | |
| 780 } | |
| 781 | |
| 782 int FileName::exists(const char *name) | |
| 783 { | |
|
571
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Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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diff
changeset
|
784 #if POSIX |
| 336 | 785 struct stat st; |
| 786 | |
| 787 if (stat(name, &st) < 0) | |
| 788 return 0; | |
| 789 if (S_ISDIR(st.st_mode)) | |
| 790 return 2; | |
| 791 return 1; | |
| 792 #endif | |
| 793 #if _WIN32 | |
| 794 DWORD dw; | |
| 795 int result; | |
| 796 | |
| 797 dw = GetFileAttributesA(name); | |
| 798 if (dw == -1L) | |
| 799 result = 0; | |
| 800 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 801 result = 2; | |
| 802 else | |
| 803 result = 1; | |
| 804 return result; | |
| 805 #endif | |
| 806 } | |
| 807 | |
| 808 void FileName::ensurePathExists(const char *path) | |
| 809 { | |
| 810 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
| 811 if (path && *path) | |
| 812 { | |
| 813 if (!exists(path)) | |
| 814 { | |
| 815 char *p = FileName::path(path); | |
| 816 if (*p) | |
| 817 { | |
| 818 #if _WIN32 | |
| 819 size_t len = strlen(p); | |
| 820 if (len > 2 && p[-1] == ':') | |
| 821 { mem.free(p); | |
| 822 return; | |
| 823 } | |
| 824 #endif | |
| 825 ensurePathExists(p); | |
| 826 mem.free(p); | |
| 827 } | |
| 828 #if _WIN32 | |
| 829 if (path[strlen(path) - 1] != '\\') | |
| 830 #endif | |
|
571
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diff
changeset
|
831 #if POSIX |
| 336 | 832 if (path[strlen(path) - 1] != '\\') |
| 833 #endif | |
| 834 { | |
| 835 //printf("mkdir(%s)\n", path); | |
| 836 #if _WIN32 | |
| 837 if (mkdir(path)) | |
| 838 #endif | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
839 #if POSIX |
| 336 | 840 if (mkdir(path, 0777)) |
| 841 #endif | |
| 842 error("cannot create directory %s", path); | |
| 843 } | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 /****************************** File ********************************/ | |
| 849 | |
| 850 File::File(FileName *n) | |
| 851 { | |
| 852 ref = 0; | |
| 853 buffer = NULL; | |
| 854 len = 0; | |
| 855 touchtime = NULL; | |
| 856 name = n; | |
| 857 } | |
| 858 | |
| 859 File::File(char *n) | |
| 860 { | |
| 861 ref = 0; | |
| 862 buffer = NULL; | |
| 863 len = 0; | |
| 864 touchtime = NULL; | |
| 865 name = new FileName(n, 0); | |
| 866 } | |
| 867 | |
| 868 File::~File() | |
| 869 { | |
| 870 if (buffer) | |
| 871 { | |
| 872 if (ref == 0) | |
| 873 mem.free(buffer); | |
| 874 #if _WIN32 | |
| 875 else if (ref == 2) | |
| 876 UnmapViewOfFile(buffer); | |
| 877 #endif | |
| 878 } | |
| 879 if (touchtime) | |
| 880 mem.free(touchtime); | |
| 881 } | |
| 882 | |
| 883 void File::mark() | |
| 884 { | |
| 885 mem.mark(buffer); | |
| 886 mem.mark(touchtime); | |
| 887 mem.mark(name); | |
| 888 } | |
| 889 | |
| 890 /************************************* | |
| 891 */ | |
| 892 | |
| 893 int File::read() | |
| 894 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
895 #if POSIX |
| 336 | 896 off_t size; |
| 897 ssize_t numread; | |
| 898 int fd; | |
| 899 struct stat buf; | |
| 900 int result = 0; | |
| 901 char *name; | |
| 902 | |
| 903 name = this->name->toChars(); | |
| 904 //printf("File::read('%s')\n",name); | |
| 905 fd = open(name, O_RDONLY); | |
| 906 if (fd == -1) | |
| 907 { result = errno; | |
| 908 //printf("\topen error, errno = %d\n",errno); | |
| 909 goto err1; | |
| 910 } | |
| 911 | |
| 912 if (!ref) | |
| 913 mem.free(buffer); | |
| 914 ref = 0; // we own the buffer now | |
| 915 | |
| 916 //printf("\tfile opened\n"); | |
| 917 if (fstat(fd, &buf)) | |
| 918 { | |
| 919 printf("\tfstat error, errno = %d\n",errno); | |
| 920 goto err2; | |
| 921 } | |
| 922 size = buf.st_size; | |
| 923 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 924 if (!buffer) | |
| 925 { | |
| 926 printf("\tmalloc error, errno = %d\n",errno); | |
| 927 goto err2; | |
| 928 } | |
| 929 | |
| 930 numread = ::read(fd, buffer, size); | |
| 931 if (numread != size) | |
| 932 { | |
| 933 printf("\tread error, errno = %d\n",errno); | |
| 934 goto err2; | |
| 935 } | |
| 936 | |
| 937 if (touchtime) | |
| 938 memcpy(touchtime, &buf, sizeof(buf)); | |
| 939 | |
| 940 if (close(fd) == -1) | |
| 941 { | |
| 942 printf("\tclose error, errno = %d\n",errno); | |
| 943 goto err; | |
| 944 } | |
| 945 | |
| 946 len = size; | |
| 947 | |
| 948 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 949 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 950 buffer[size + 1] = 0; | |
| 951 return 0; | |
| 952 | |
| 953 err2: | |
| 954 close(fd); | |
| 955 err: | |
| 956 mem.free(buffer); | |
| 957 buffer = NULL; | |
| 958 len = 0; | |
| 959 | |
| 960 err1: | |
| 961 result = 1; | |
| 962 return result; | |
| 963 #endif | |
| 964 #if _WIN32 | |
| 965 DWORD size; | |
| 966 DWORD numread; | |
| 967 HANDLE h; | |
| 968 int result = 0; | |
| 969 char *name; | |
| 970 | |
| 971 name = this->name->toChars(); | |
| 972 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
| 973 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
| 974 if (h == INVALID_HANDLE_VALUE) | |
| 975 goto err1; | |
| 976 | |
| 977 if (!ref) | |
| 978 mem.free(buffer); | |
| 979 ref = 0; | |
| 980 | |
| 981 size = GetFileSize(h,NULL); | |
| 982 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 983 if (!buffer) | |
| 984 goto err2; | |
| 985 | |
| 986 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
| 987 goto err2; | |
| 988 | |
| 989 if (numread != size) | |
| 990 goto err2; | |
| 991 | |
| 992 if (touchtime) | |
| 993 { | |
| 994 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
| 995 goto err2; | |
| 996 } | |
| 997 | |
| 998 if (!CloseHandle(h)) | |
| 999 goto err; | |
| 1000 | |
| 1001 len = size; | |
| 1002 | |
| 1003 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 1004 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 1005 buffer[size + 1] = 0; | |
| 1006 return 0; | |
| 1007 | |
| 1008 err2: | |
| 1009 CloseHandle(h); | |
| 1010 err: | |
| 1011 mem.free(buffer); | |
| 1012 buffer = NULL; | |
| 1013 len = 0; | |
| 1014 | |
| 1015 err1: | |
| 1016 result = 1; | |
| 1017 return result; | |
| 1018 #endif | |
| 1019 } | |
| 1020 | |
| 1021 /***************************** | |
| 1022 * Read a file with memory mapped file I/O. | |
| 1023 */ | |
| 1024 | |
| 1025 int File::mmread() | |
| 1026 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1027 #if POSIX |
| 336 | 1028 return read(); |
| 1029 #endif | |
| 1030 #if _WIN32 | |
| 1031 HANDLE hFile; | |
| 1032 HANDLE hFileMap; | |
| 1033 DWORD size; | |
| 1034 char *name; | |
| 1035 | |
| 1036 name = this->name->toChars(); | |
| 1037 hFile = CreateFile(name, GENERIC_READ, | |
| 1038 FILE_SHARE_READ, NULL, | |
| 1039 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1040 if (hFile == INVALID_HANDLE_VALUE) | |
| 1041 goto Lerr; | |
| 1042 size = GetFileSize(hFile, NULL); | |
| 1043 //printf(" file created, size %d\n", size); | |
| 1044 | |
| 1045 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
| 1046 if (CloseHandle(hFile) != TRUE) | |
| 1047 goto Lerr; | |
| 1048 | |
| 1049 if (hFileMap == NULL) | |
| 1050 goto Lerr; | |
| 1051 | |
| 1052 //printf(" mapping created\n"); | |
| 1053 | |
| 1054 if (!ref) | |
| 1055 mem.free(buffer); | |
| 1056 ref = 2; | |
| 1057 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
| 1058 if (CloseHandle(hFileMap) != TRUE) | |
| 1059 goto Lerr; | |
| 1060 if (buffer == NULL) // mapping view failed | |
| 1061 goto Lerr; | |
| 1062 | |
| 1063 len = size; | |
| 1064 //printf(" buffer = %p\n", buffer); | |
| 1065 | |
| 1066 return 0; | |
| 1067 | |
| 1068 Lerr: | |
| 1069 return GetLastError(); // failure | |
| 1070 #endif | |
| 1071 } | |
| 1072 | |
| 1073 /********************************************* | |
| 1074 * Write a file. | |
| 1075 * Returns: | |
| 1076 * 0 success | |
| 1077 */ | |
| 1078 | |
| 1079 int File::write() | |
| 1080 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1081 #if POSIX |
| 336 | 1082 int fd; |
| 1083 ssize_t numwritten; | |
| 1084 char *name; | |
| 1085 | |
| 1086 name = this->name->toChars(); | |
| 1087 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
| 1088 if (fd == -1) | |
| 1089 goto err; | |
| 1090 | |
| 1091 numwritten = ::write(fd, buffer, len); | |
| 1092 if (len != numwritten) | |
| 1093 goto err2; | |
| 1094 | |
| 1095 if (close(fd) == -1) | |
| 1096 goto err; | |
| 1097 | |
| 1098 if (touchtime) | |
| 1099 { struct utimbuf ubuf; | |
| 1100 | |
| 1101 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
| 1102 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
| 1103 if (utime(name, &ubuf)) | |
| 1104 goto err; | |
| 1105 } | |
| 1106 return 0; | |
| 1107 | |
| 1108 err2: | |
| 1109 close(fd); | |
| 1110 ::remove(name); | |
| 1111 err: | |
| 1112 return 1; | |
| 1113 #endif | |
| 1114 #if _WIN32 | |
| 1115 HANDLE h; | |
| 1116 DWORD numwritten; | |
| 1117 char *name; | |
| 1118 | |
| 1119 name = this->name->toChars(); | |
| 1120 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
| 1121 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1122 if (h == INVALID_HANDLE_VALUE) | |
| 1123 goto err; | |
| 1124 | |
| 1125 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1126 goto err2; | |
| 1127 | |
| 1128 if (len != numwritten) | |
| 1129 goto err2; | |
| 1130 | |
| 1131 if (touchtime) { | |
| 1132 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1133 } | |
| 1134 if (!CloseHandle(h)) | |
| 1135 goto err; | |
| 1136 return 0; | |
| 1137 | |
| 1138 err2: | |
| 1139 CloseHandle(h); | |
| 1140 DeleteFileA(name); | |
| 1141 err: | |
| 1142 return 1; | |
| 1143 #endif | |
| 1144 } | |
| 1145 | |
| 1146 /********************************************* | |
| 1147 * Append to a file. | |
| 1148 * Returns: | |
| 1149 * 0 success | |
| 1150 */ | |
| 1151 | |
| 1152 int File::append() | |
| 1153 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1154 #if POSIX |
| 336 | 1155 return 1; |
| 1156 #endif | |
| 1157 #if _WIN32 | |
| 1158 HANDLE h; | |
| 1159 DWORD numwritten; | |
| 1160 char *name; | |
| 1161 | |
| 1162 name = this->name->toChars(); | |
| 1163 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
| 1164 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1165 if (h == INVALID_HANDLE_VALUE) | |
| 1166 goto err; | |
| 1167 | |
| 1168 #if 1 | |
| 1169 SetFilePointer(h, 0, NULL, FILE_END); | |
| 1170 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
| 1171 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
| 1172 goto err; | |
| 1173 #endif | |
| 1174 | |
| 1175 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1176 goto err2; | |
| 1177 | |
| 1178 if (len != numwritten) | |
| 1179 goto err2; | |
| 1180 | |
| 1181 if (touchtime) { | |
| 1182 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1183 } | |
| 1184 if (!CloseHandle(h)) | |
| 1185 goto err; | |
| 1186 return 0; | |
| 1187 | |
| 1188 err2: | |
| 1189 CloseHandle(h); | |
| 1190 err: | |
| 1191 return 1; | |
| 1192 #endif | |
| 1193 } | |
| 1194 | |
| 1195 /************************************** | |
| 1196 */ | |
| 1197 | |
| 1198 void File::readv() | |
| 1199 { | |
| 1200 if (read()) | |
| 1201 error("Error reading file '%s'\n",name->toChars()); | |
| 1202 } | |
| 1203 | |
| 1204 /************************************** | |
| 1205 */ | |
| 1206 | |
| 1207 void File::mmreadv() | |
| 1208 { | |
| 1209 if (mmread()) | |
| 1210 readv(); | |
| 1211 } | |
| 1212 | |
| 1213 void File::writev() | |
| 1214 { | |
| 1215 if (write()) | |
| 1216 error("Error writing file '%s'\n",name->toChars()); | |
| 1217 } | |
| 1218 | |
| 1219 void File::appendv() | |
| 1220 { | |
| 1221 if (write()) | |
| 1222 error("Error appending to file '%s'\n",name->toChars()); | |
| 1223 } | |
| 1224 | |
| 1225 /******************************************* | |
| 1226 * Return !=0 if file exists. | |
| 1227 * 0: file doesn't exist | |
| 1228 * 1: normal file | |
| 1229 * 2: directory | |
| 1230 */ | |
| 1231 | |
| 1232 int File::exists() | |
| 1233 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1234 #if POSIX |
| 336 | 1235 return 0; |
| 1236 #endif | |
| 1237 #if _WIN32 | |
| 1238 DWORD dw; | |
| 1239 int result; | |
| 1240 char *name; | |
| 1241 | |
| 1242 name = this->name->toChars(); | |
| 1243 if (touchtime) | |
| 1244 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
| 1245 else | |
| 1246 dw = GetFileAttributesA(name); | |
| 1247 if (dw == -1L) | |
| 1248 result = 0; | |
| 1249 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 1250 result = 2; | |
| 1251 else | |
| 1252 result = 1; | |
| 1253 return result; | |
| 1254 #endif | |
| 1255 } | |
| 1256 | |
| 1257 void File::remove() | |
| 1258 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1259 #if POSIX |
| 336 | 1260 ::remove(this->name->toChars()); |
| 1261 #endif | |
| 1262 #if _WIN32 | |
| 1263 DeleteFileA(this->name->toChars()); | |
| 1264 #endif | |
| 1265 } | |
| 1266 | |
| 1267 Array *File::match(char *n) | |
| 1268 { | |
| 1269 return match(new FileName(n, 0)); | |
| 1270 } | |
| 1271 | |
| 1272 Array *File::match(FileName *n) | |
| 1273 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1274 #if POSIX |
| 336 | 1275 return NULL; |
| 1276 #endif | |
| 1277 #if _WIN32 | |
| 1278 HANDLE h; | |
| 1279 WIN32_FIND_DATAA fileinfo; | |
| 1280 Array *a; | |
| 1281 char *c; | |
| 1282 char *name; | |
| 1283 | |
| 1284 a = new Array(); | |
| 1285 c = n->toChars(); | |
| 1286 name = n->name(); | |
| 1287 h = FindFirstFileA(c,&fileinfo); | |
| 1288 if (h != INVALID_HANDLE_VALUE) | |
| 1289 { | |
| 1290 do | |
| 1291 { | |
| 1292 // Glue path together with name | |
| 1293 char *fn; | |
| 1294 File *f; | |
| 1295 | |
| 1296 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
| 1297 memcpy(fn, c, name - c); | |
| 1298 strcpy(fn + (name - c), fileinfo.cFileName); | |
| 1299 f = new File(fn); | |
| 1300 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
| 1301 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
| 1302 a->push(f); | |
| 1303 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
| 1304 FindClose(h); | |
| 1305 } | |
| 1306 return a; | |
| 1307 #endif | |
| 1308 } | |
| 1309 | |
| 1310 int File::compareTime(File *f) | |
| 1311 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1312 #if POSIX |
| 336 | 1313 return 0; |
| 1314 #endif | |
| 1315 #if _WIN32 | |
| 1316 if (!touchtime) | |
| 1317 stat(); | |
| 1318 if (!f->touchtime) | |
| 1319 f->stat(); | |
| 1320 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
| 1321 #endif | |
| 1322 } | |
| 1323 | |
| 1324 void File::stat() | |
| 1325 { | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
535
diff
changeset
|
1326 #if POSIX |
| 336 | 1327 if (!touchtime) |
| 1328 { | |
| 1329 touchtime = mem.calloc(1, sizeof(struct stat)); | |
| 1330 } | |
| 1331 #endif | |
| 1332 #if _WIN32 | |
| 1333 HANDLE h; | |
| 1334 | |
| 1335 if (!touchtime) | |
| 1336 { | |
| 1337 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
| 1338 } | |
| 1339 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
| 1340 if (h != INVALID_HANDLE_VALUE) | |
| 1341 { | |
| 1342 FindClose(h); | |
| 1343 } | |
| 1344 #endif | |
| 1345 } | |
| 1346 | |
| 1347 void File::checkoffset(size_t offset, size_t nbytes) | |
| 1348 { | |
| 1349 if (offset > len || offset + nbytes > len) | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
872
diff
changeset
|
1350 error("Corrupt file '%s': offset x%zx off end of file",toChars(),offset); |
| 336 | 1351 } |
| 1352 | |
| 1353 char *File::toChars() | |
| 1354 { | |
| 1355 return name->toChars(); | |
| 1356 } | |
| 1357 | |
| 1358 | |
| 1359 /************************* OutBuffer *************************/ | |
| 1360 | |
| 1361 OutBuffer::OutBuffer() | |
| 1362 { | |
| 1363 data = NULL; | |
| 1364 offset = 0; | |
| 1365 size = 0; | |
| 1366 } | |
| 1367 | |
| 1368 OutBuffer::~OutBuffer() | |
| 1369 { | |
| 1370 mem.free(data); | |
| 1371 } | |
| 1372 | |
| 1373 void *OutBuffer::extractData() | |
| 1374 { | |
| 1375 void *p; | |
| 1376 | |
| 1377 p = (void *)data; | |
| 1378 data = NULL; | |
| 1379 offset = 0; | |
| 1380 size = 0; | |
| 1381 return p; | |
| 1382 } | |
| 1383 | |
| 1384 void OutBuffer::mark() | |
| 1385 { | |
| 1386 mem.mark(data); | |
| 1387 } | |
| 1388 | |
| 1389 void OutBuffer::reserve(unsigned nbytes) | |
| 1390 { | |
|
1103
b30fe7e1dbb9
- Updated to DMD frontend 1.041.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
872
diff
changeset
|
1391 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); |
| 336 | 1392 if (size - offset < nbytes) |
| 1393 { | |
|
1110
fd631764eaac
Revert removal of "+2" from Outbuffer::reserve function for x64. Unless
Kelly Wilson <wilsonk cpsc.ucalgary.ca>
parents:
1103
diff
changeset
|
1394 #if defined (__x86_64__) |
|
fd631764eaac
Revert removal of "+2" from Outbuffer::reserve function for x64. Unless
Kelly Wilson <wilsonk cpsc.ucalgary.ca>
parents:
1103
diff
changeset
|
1395 size = (offset + nbytes) * 2 + 2; |
|
fd631764eaac
Revert removal of "+2" from Outbuffer::reserve function for x64. Unless
Kelly Wilson <wilsonk cpsc.ucalgary.ca>
parents:
1103
diff
changeset
|
1396 #else |
|
1111
0f8aeb31678c
Fix 32bit "+2" typo for Outbuffer::reserve
Kelly Wilson <wilsonk cpsc.ucalgary.ca>
parents:
1110
diff
changeset
|
1397 size = (offset + nbytes) * 2; |
|
1110
fd631764eaac
Revert removal of "+2" from Outbuffer::reserve function for x64. Unless
Kelly Wilson <wilsonk cpsc.ucalgary.ca>
parents:
1103
diff
changeset
|
1398 #endif |
| 336 | 1399 data = (unsigned char *)mem.realloc(data, size); |
| 1400 } | |
| 1401 } | |
| 1402 | |
| 1403 void OutBuffer::reset() | |
| 1404 { | |
| 1405 offset = 0; | |
| 1406 } | |
| 1407 | |
| 1408 void OutBuffer::setsize(unsigned size) | |
| 1409 { | |
| 1410 offset = size; | |
| 1411 } | |
| 1412 | |
| 1413 void OutBuffer::write(const void *data, unsigned nbytes) | |
| 1414 { | |
| 1415 reserve(nbytes); | |
| 1416 memcpy(this->data + offset, data, nbytes); | |
| 1417 offset += nbytes; | |
| 1418 } | |
| 1419 | |
| 1420 void OutBuffer::writebstring(unsigned char *string) | |
| 1421 { | |
| 1422 write(string,*string + 1); | |
| 1423 } | |
| 1424 | |
| 1425 void OutBuffer::writestring(const char *string) | |
| 1426 { | |
| 1427 write(string,strlen(string)); | |
| 1428 } | |
| 1429 | |
| 1430 void OutBuffer::writedstring(const char *string) | |
| 1431 { | |
| 1432 #if M_UNICODE | |
| 1433 for (; *string; string++) | |
| 1434 { | |
| 1435 writedchar(*string); | |
| 1436 } | |
| 1437 #else | |
| 1438 write(string,strlen(string)); | |
| 1439 #endif | |
| 1440 } | |
| 1441 | |
| 1442 void OutBuffer::writedstring(const wchar_t *string) | |
| 1443 { | |
| 1444 #if M_UNICODE | |
| 1445 write(string,wcslen(string) * sizeof(wchar_t)); | |
| 1446 #else | |
| 1447 for (; *string; string++) | |
| 1448 { | |
| 1449 writedchar(*string); | |
| 1450 } | |
| 1451 #endif | |
| 1452 } | |
| 1453 | |
|
658
50383e476c7e
Upgraded frontend to DMD 1.035
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
571
diff
changeset
|
1454 void OutBuffer::prependstring(const char *string) |
| 336 | 1455 { unsigned len; |
| 1456 | |
| 1457 len = strlen(string); | |
| 1458 reserve(len); | |
| 1459 memmove(data + len, data, offset); | |
| 1460 memcpy(data, string, len); | |
| 1461 offset += len; | |
| 1462 } | |
| 1463 | |
| 1464 void OutBuffer::writenl() | |
| 1465 { | |
| 1466 #if _WIN32 | |
| 1467 #if M_UNICODE | |
| 1468 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
| 1469 #else | |
| 1470 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
| 1471 #endif | |
| 1472 #else | |
| 1473 #if M_UNICODE | |
| 1474 writeword('\n'); | |
| 1475 #else | |
| 1476 writeByte('\n'); | |
| 1477 #endif | |
| 1478 #endif | |
| 1479 } | |
| 1480 | |
| 1481 void OutBuffer::writeByte(unsigned b) | |
| 1482 { | |
| 1483 reserve(1); | |
| 1484 this->data[offset] = (unsigned char)b; | |
| 1485 offset++; | |
| 1486 } | |
| 1487 | |
| 1488 void OutBuffer::writeUTF8(unsigned b) | |
| 1489 { | |
| 1490 reserve(6); | |
| 1491 if (b <= 0x7F) | |
| 1492 { | |
| 1493 this->data[offset] = (unsigned char)b; | |
| 1494 offset++; | |
| 1495 } | |
| 1496 else if (b <= 0x7FF) | |
| 1497 { | |
| 1498 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
| 1499 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1500 offset += 2; | |
| 1501 } | |
| 1502 else if (b <= 0xFFFF) | |
| 1503 { | |
| 1504 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
| 1505 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1506 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1507 offset += 3; | |
| 1508 } | |
| 1509 else if (b <= 0x1FFFFF) | |
| 1510 { | |
| 1511 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
| 1512 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1513 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1514 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1515 offset += 4; | |
| 1516 } | |
| 1517 else if (b <= 0x3FFFFFF) | |
| 1518 { | |
| 1519 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
| 1520 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1521 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1522 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1523 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1524 offset += 5; | |
| 1525 } | |
| 1526 else if (b <= 0x7FFFFFFF) | |
| 1527 { | |
| 1528 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
| 1529 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
| 1530 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1531 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1532 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1533 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1534 offset += 6; | |
| 1535 } | |
| 1536 else | |
| 1537 assert(0); | |
| 1538 } | |
| 1539 | |
| 1540 void OutBuffer::writedchar(unsigned b) | |
| 1541 { | |
| 1542 reserve(Dchar_mbmax * sizeof(dchar)); | |
| 1543 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
| 1544 this->data; | |
| 1545 } | |
| 1546 | |
| 1547 void OutBuffer::prependbyte(unsigned b) | |
| 1548 { | |
| 1549 reserve(1); | |
| 1550 memmove(data + 1, data, offset); | |
| 1551 data[0] = (unsigned char)b; | |
| 1552 offset++; | |
| 1553 } | |
| 1554 | |
| 1555 void OutBuffer::writeword(unsigned w) | |
| 1556 { | |
| 1557 reserve(2); | |
| 1558 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1559 offset += 2; | |
| 1560 } | |
| 1561 | |
| 1562 void OutBuffer::writeUTF16(unsigned w) | |
| 1563 { | |
| 1564 reserve(4); | |
| 1565 if (w <= 0xFFFF) | |
| 1566 { | |
| 1567 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1568 offset += 2; | |
| 1569 } | |
| 1570 else if (w <= 0x10FFFF) | |
| 1571 { | |
| 1572 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
| 1573 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
| 1574 offset += 4; | |
| 1575 } | |
| 1576 else | |
| 1577 assert(0); | |
| 1578 } | |
| 1579 | |
| 1580 void OutBuffer::write4(unsigned w) | |
| 1581 { | |
| 1582 reserve(4); | |
| 1583 *(unsigned long *)(this->data + offset) = w; | |
| 1584 offset += 4; | |
| 1585 } | |
| 1586 | |
| 1587 void OutBuffer::write(OutBuffer *buf) | |
| 1588 { | |
| 1589 if (buf) | |
| 1590 { reserve(buf->offset); | |
| 1591 memcpy(data + offset, buf->data, buf->offset); | |
| 1592 offset += buf->offset; | |
| 1593 } | |
| 1594 } | |
| 1595 | |
| 1596 void OutBuffer::write(Object *obj) | |
| 1597 { | |
| 1598 if (obj) | |
| 1599 { | |
| 1600 writestring(obj->toChars()); | |
| 1601 } | |
| 1602 } | |
| 1603 | |
| 1604 void OutBuffer::fill0(unsigned nbytes) | |
| 1605 { | |
| 1606 reserve(nbytes); | |
| 1607 memset(data + offset,0,nbytes); | |
| 1608 offset += nbytes; | |
| 1609 } | |
| 1610 | |
| 1611 void OutBuffer::align(unsigned size) | |
| 1612 { unsigned nbytes; | |
| 1613 | |
| 1614 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
| 1615 fill0(nbytes); | |
| 1616 } | |
| 1617 | |
|
846
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1618 |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1619 //////////////////////////////////////////////////////////////// |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1620 // The compiler shipped with Visual Studio 2005 (and possible |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1621 // other versions) does not support C99 printf format specfiers |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1622 // such as %z and %j |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1623 #if _MSC_VER |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1624 using std::string; |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1625 using std::wstring; |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1626 |
|
bc982f1ad106
Merged DMD 1.037 frontend
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
761
diff
changeset
|
1627 template<typename S> |
|
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1628 inline void |
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1629 search_and_replace(S& str, const S& what, const S& replacement) |
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1630 { |
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1631 assert(!what.empty()); |
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1632 size_t pos = str.find(what); |
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1633 while (pos != S::npos) |
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1634 { |
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1635 str.replace(pos, what.size(), replacement); |
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1636 pos = str.find(what, pos + replacement.size()); |
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1637 } |
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1638 } |
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1639 #define WORKAROUND_C99_SPECIFIERS_BUG(S,tmp,f) \ |
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1640 S tmp = f; \ |
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1641 search_and_replace(fmt, S("%z"), S("%l")); \ |
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1642 search_and_replace(fmt, S("%j"), S("%i")); \ |
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1643 f = tmp.c_str(); |
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1644 #else |
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1645 #define WORKAROUND_C99_SPECIFIERS_BUG(S,tmp,f) |
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1646 #endif |
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1647 |
| 336 | 1648 void OutBuffer::vprintf(const char *format, va_list args) |
| 1649 { | |
| 1650 char buffer[128]; | |
| 1651 char *p; | |
| 1652 unsigned psize; | |
| 1653 int count; | |
| 1654 | |
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1655 WORKAROUND_C99_SPECIFIERS_BUG(string, fmt, format); |
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1656 |
| 336 | 1657 p = buffer; |
| 1658 psize = sizeof(buffer); | |
| 1659 for (;;) | |
| 1660 { | |
| 1661 #if _WIN32 | |
| 1662 count = _vsnprintf(p,psize,format,args); | |
| 1663 if (count != -1) | |
| 1664 break; | |
| 1665 psize *= 2; | |
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1666 #elif POSIX |
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1667 va_list va; |
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1668 va_copy(va, args); |
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1669 /* |
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1670 The functions vprintf(), vfprintf(), vsprintf(), vsnprintf() |
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1671 are equivalent to the functions printf(), fprintf(), sprintf(), |
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1672 snprintf(), respectively, except that they are called with a |
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1673 va_list instead of a variable number of arguments. These |
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1674 functions do not call the va_end macro. Consequently, the value |
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1675 of ap is undefined after the call. The application should call |
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1676 va_end(ap) itself afterwards. |
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1677 */ |
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1678 count = vsnprintf(p,psize,format,va); |
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1679 va_end(va); |
| 336 | 1680 if (count == -1) |
| 1681 psize *= 2; | |
| 1682 else if (count >= psize) | |
| 1683 psize = count + 1; | |
| 1684 else | |
| 1685 break; | |
| 1686 #endif | |
| 1687 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
| 1688 } | |
| 1689 write(p,count); | |
| 1690 } | |
| 1691 | |
| 1692 #if M_UNICODE | |
| 1693 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
| 1694 { | |
| 1695 dchar buffer[128]; | |
| 1696 dchar *p; | |
| 1697 unsigned psize; | |
| 1698 int count; | |
| 1699 | |
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1700 WORKAROUND_C99_SPECIFIERS_BUG(wstring, fmt, format); |
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1701 |
| 336 | 1702 p = buffer; |
| 1703 psize = sizeof(buffer) / sizeof(buffer[0]); | |
| 1704 for (;;) | |
| 1705 { | |
| 1706 #if _WIN32 | |
| 1707 count = _vsnwprintf(p,psize,format,args); | |
| 1708 if (count != -1) | |
| 1709 break; | |
| 1710 psize *= 2; | |
| 1711 #endif | |
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1712 #if POSIX |
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1713 va_list va; |
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1714 va_copy(va, args); |
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1715 count = vsnwprintf(p,psize,format,va); |
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1716 va_end(va); |
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1717 |
| 336 | 1718 if (count == -1) |
| 1719 psize *= 2; | |
| 1720 else if (count >= psize) | |
| 1721 psize = count + 1; | |
| 1722 else | |
| 1723 break; | |
| 1724 #endif | |
| 1725 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
| 1726 } | |
| 1727 write(p,count * 2); | |
| 1728 } | |
| 1729 #endif | |
| 1730 | |
| 1731 void OutBuffer::printf(const char *format, ...) | |
| 1732 { | |
| 1733 va_list ap; | |
| 1734 va_start(ap, format); | |
| 1735 vprintf(format,ap); | |
| 1736 va_end(ap); | |
| 1737 } | |
| 1738 | |
| 1739 #if M_UNICODE | |
| 1740 void OutBuffer::printf(const wchar_t *format, ...) | |
| 1741 { | |
| 1742 va_list ap; | |
| 1743 va_start(ap, format); | |
| 1744 vprintf(format,ap); | |
| 1745 va_end(ap); | |
| 1746 } | |
| 1747 #endif | |
| 1748 | |
| 1749 void OutBuffer::bracket(char left, char right) | |
| 1750 { | |
| 1751 reserve(2); | |
| 1752 memmove(data + 1, data, offset); | |
| 1753 data[0] = left; | |
| 1754 data[offset + 1] = right; | |
| 1755 offset += 2; | |
| 1756 } | |
| 1757 | |
| 1758 /****************** | |
| 1759 * Insert left at i, and right at j. | |
| 1760 * Return index just past right. | |
| 1761 */ | |
| 1762 | |
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1763 unsigned OutBuffer::bracket(unsigned i, const char *left, unsigned j, const char *right) |
| 336 | 1764 { |
| 1765 size_t leftlen = strlen(left); | |
| 1766 size_t rightlen = strlen(right); | |
| 1767 reserve(leftlen + rightlen); | |
| 1768 insert(i, left, leftlen); | |
| 1769 insert(j + leftlen, right, rightlen); | |
| 1770 return j + leftlen + rightlen; | |
| 1771 } | |
| 1772 | |
| 1773 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
| 1774 { | |
| 1775 reserve(nbytes); | |
| 1776 memmove(data + offset + nbytes, data + offset, | |
| 1777 this->offset - offset); | |
| 1778 this->offset += nbytes; | |
| 1779 } | |
| 1780 | |
| 1781 /**************************************** | |
| 1782 * Returns: offset + nbytes | |
| 1783 */ | |
| 1784 | |
| 1785 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
| 1786 { | |
| 1787 spread(offset, nbytes); | |
| 1788 memmove(data + offset, p, nbytes); | |
| 1789 return offset + nbytes; | |
| 1790 } | |
| 1791 | |
| 1792 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
| 1793 { | |
| 1794 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
| 1795 this->offset -= nbytes; | |
| 1796 } | |
| 1797 | |
| 1798 char *OutBuffer::toChars() | |
| 1799 { | |
| 1800 writeByte(0); | |
| 1801 return (char *)data; | |
| 1802 } | |
| 1803 | |
| 1804 /********************************* Bits ****************************/ | |
| 1805 | |
| 1806 Bits::Bits() | |
| 1807 { | |
| 1808 data = NULL; | |
| 1809 bitdim = 0; | |
| 1810 allocdim = 0; | |
| 1811 } | |
| 1812 | |
| 1813 Bits::~Bits() | |
| 1814 { | |
| 1815 mem.free(data); | |
| 1816 } | |
| 1817 | |
| 1818 void Bits::mark() | |
| 1819 { | |
| 1820 mem.mark(data); | |
| 1821 } | |
| 1822 | |
| 1823 void Bits::resize(unsigned bitdim) | |
| 1824 { | |
| 1825 unsigned allocdim; | |
| 1826 unsigned mask; | |
| 1827 | |
| 1828 allocdim = (bitdim + 31) / 32; | |
| 1829 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
| 1830 if (this->allocdim < allocdim) | |
| 1831 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
| 1832 | |
| 1833 // Clear other bits in last word | |
| 1834 mask = (1 << (bitdim & 31)) - 1; | |
| 1835 if (mask) | |
| 1836 data[allocdim - 1] &= ~mask; | |
| 1837 | |
| 1838 this->bitdim = bitdim; | |
| 1839 this->allocdim = allocdim; | |
| 1840 } | |
| 1841 | |
| 1842 void Bits::set(unsigned bitnum) | |
| 1843 { | |
| 1844 data[bitnum / 32] |= 1 << (bitnum & 31); | |
| 1845 } | |
| 1846 | |
| 1847 void Bits::clear(unsigned bitnum) | |
| 1848 { | |
| 1849 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
| 1850 } | |
| 1851 | |
| 1852 int Bits::test(unsigned bitnum) | |
| 1853 { | |
| 1854 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
| 1855 } | |
| 1856 | |
| 1857 void Bits::set() | |
| 1858 { unsigned mask; | |
| 1859 | |
| 1860 memset(data, ~0, allocdim * sizeof(data[0])); | |
| 1861 | |
| 1862 // Clear other bits in last word | |
| 1863 mask = (1 << (bitdim & 31)) - 1; | |
| 1864 if (mask) | |
| 1865 data[allocdim - 1] &= mask; | |
| 1866 } | |
| 1867 | |
| 1868 void Bits::clear() | |
| 1869 { | |
| 1870 memset(data, 0, allocdim * sizeof(data[0])); | |
| 1871 } | |
| 1872 | |
| 1873 void Bits::copy(Bits *from) | |
| 1874 { | |
| 1875 assert(bitdim == from->bitdim); | |
| 1876 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
| 1877 } | |
| 1878 | |
| 1879 Bits *Bits::clone() | |
| 1880 { | |
| 1881 Bits *b; | |
| 1882 | |
| 1883 b = new Bits(); | |
| 1884 b->resize(bitdim); | |
| 1885 b->copy(this); | |
| 1886 return b; | |
| 1887 } | |
| 1888 | |
| 1889 void Bits::sub(Bits *b) | |
| 1890 { | |
| 1891 unsigned u; | |
| 1892 | |
| 1893 for (u = 0; u < allocdim; u++) | |
| 1894 data[u] &= ~b->data[u]; | |
| 1895 } | |
| 1896 | |
| 1897 | |
| 1898 | |
| 1899 | |
| 1900 | |
| 1901 | |
| 1902 | |
| 1903 | |
| 1904 | |
| 1905 | |
| 1906 | |
| 1907 | |
| 1908 | |
| 1909 | |
| 1910 |