Mercurial > projects > ldc
annotate dmd/root.c @ 884:a166ba5bdf2d
Automated merge with http://hg.dsource.org/projects/ldc
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Mon, 12 Jan 2009 07:51:39 +0100 |
| parents | aa953cc960b6 |
| children | b30fe7e1dbb9 |
| rev | line source |
|---|---|
| 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 | |
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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" | |
| 43 #include "mem.h" | |
| 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 | |
| 379 #if _WIN32 | |
| 380 case ';': | |
| 381 #endif | |
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382 #if POSIX |
| 336 | 383 case ':': |
| 384 #endif | |
| 385 p++; | |
| 386 break; // note that ; cannot appear as part | |
| 387 // of a path, quotes won't protect it | |
| 388 | |
| 389 case 0x1A: // ^Z means end of file | |
| 390 case 0: | |
| 391 break; | |
| 392 | |
| 393 case '\r': | |
| 394 continue; // ignore carriage returns | |
| 395 | |
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396 #if POSIX |
| 336 | 397 case '~': |
| 398 buf.writestring(getenv("HOME")); | |
| 399 continue; | |
| 400 #endif | |
| 401 | |
| 402 case ' ': | |
| 403 case '\t': // tabs in filenames? | |
| 404 if (!instring) // if not in string | |
| 405 break; // treat as end of path | |
| 406 default: | |
| 407 buf.writeByte(c); | |
| 408 continue; | |
| 409 } | |
| 410 break; | |
| 411 } | |
| 412 if (buf.offset) // if path is not empty | |
| 413 { | |
| 414 buf.writeByte(0); // to asciiz | |
| 415 array->push(buf.extractData()); | |
| 416 } | |
| 417 } while (c); | |
| 418 } | |
| 419 return array; | |
| 420 } | |
| 421 | |
| 422 hash_t FileName::hashCode() | |
| 423 { | |
| 424 #if _WIN32 | |
| 425 // We need a different hashCode because it must be case-insensitive | |
| 426 size_t len = strlen(str); | |
| 427 hash_t hash = 0; | |
| 428 unsigned char *s = (unsigned char *)str; | |
| 429 | |
| 430 for (;;) | |
| 431 { | |
| 432 switch (len) | |
| 433 { | |
| 434 case 0: | |
| 435 return hash; | |
| 436 | |
| 437 case 1: | |
| 438 hash *= 37; | |
| 439 hash += *(uint8_t *)s | 0x20; | |
| 440 return hash; | |
| 441 | |
| 442 case 2: | |
| 443 hash *= 37; | |
| 444 hash += *(uint16_t *)s | 0x2020; | |
| 445 return hash; | |
| 446 | |
| 447 case 3: | |
| 448 hash *= 37; | |
| 449 hash += ((*(uint16_t *)s << 8) + | |
| 450 ((uint8_t *)s)[2]) | 0x202020; | |
| 451 break; | |
| 452 | |
| 453 default: | |
| 454 hash *= 37; | |
| 455 hash += *(uint32_t *)s | 0x20202020; | |
| 456 s += 4; | |
| 457 len -= 4; | |
| 458 break; | |
| 459 } | |
| 460 } | |
| 461 #else | |
| 462 // darwin HFS is case insensitive, though... | |
| 463 return String::hashCode(); | |
| 464 #endif | |
| 465 } | |
| 466 | |
| 467 int FileName::compare(Object *obj) | |
| 468 { | |
| 469 #if _WIN32 | |
| 470 return stricmp(str,((FileName *)obj)->str); | |
| 471 #else | |
| 472 return String::compare(obj); | |
| 473 #endif | |
| 474 } | |
| 475 | |
| 476 int FileName::equals(Object *obj) | |
| 477 { | |
| 478 #if _WIN32 | |
| 479 return stricmp(str,((FileName *)obj)->str) == 0; | |
| 480 #else | |
| 481 return String::equals(obj); | |
| 482 #endif | |
| 483 } | |
| 484 | |
| 485 /************************************ | |
| 486 * Return !=0 if absolute path name. | |
| 487 */ | |
| 488 | |
| 489 int FileName::absolute(const char *name) | |
| 490 { | |
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491 return |
| 336 | 492 #if _WIN32 |
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493 (*name == '\\') || |
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494 (*name == '/') || |
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495 (*name && name[1] == ':') || |
| 336 | 496 #endif |
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497 (*name == '/'); |
| 336 | 498 } |
| 499 | |
| 500 /******************************** | |
| 501 * Return filename extension (read-only). | |
| 502 * Points past '.' of extension. | |
| 503 * If there isn't one, return NULL. | |
| 504 */ | |
| 505 | |
| 506 char *FileName::ext(const char *str) | |
| 507 { | |
| 508 char *e; | |
| 509 size_t len = strlen(str); | |
| 510 | |
| 511 e = (char *)str + len; | |
| 512 for (;;) | |
| 513 { | |
| 514 switch (*e) | |
| 515 { case '.': | |
| 516 return e + 1; | |
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517 |
| 336 | 518 case '/': |
| 519 break; | |
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520 |
| 336 | 521 #if _WIN32 |
| 522 case '\\': | |
| 523 case ':': | |
| 524 break; | |
| 525 #endif | |
| 526 default: | |
| 527 if (e == str) | |
| 528 break; | |
| 529 e--; | |
| 530 continue; | |
| 531 } | |
| 532 return NULL; | |
| 533 } | |
| 534 } | |
| 535 | |
| 536 char *FileName::ext() | |
| 537 { | |
| 538 return ext(str); | |
| 539 } | |
| 540 | |
| 541 /******************************** | |
| 542 * Return mem.malloc'd filename with extension removed. | |
| 543 */ | |
| 544 | |
| 545 char *FileName::removeExt(const char *str) | |
| 546 { | |
| 547 const char *e = ext(str); | |
| 548 if (e) | |
| 549 { size_t len = (e - str) - 1; | |
| 550 char *n = (char *)mem.malloc(len + 1); | |
| 551 memcpy(n, str, len); | |
| 552 n[len] = 0; | |
| 553 return n; | |
| 554 } | |
| 555 return mem.strdup(str); | |
| 556 } | |
| 557 | |
| 558 /******************************** | |
| 559 * Return filename name excluding path (read-only). | |
| 560 */ | |
| 561 | |
| 562 char *FileName::name(const char *str) | |
| 563 { | |
| 564 char *e; | |
| 565 size_t len = strlen(str); | |
| 566 | |
| 567 e = (char *)str + len; | |
| 568 for (;;) | |
| 569 { | |
| 570 switch (*e) | |
| 571 { | |
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572 |
| 336 | 573 case '/': |
| 574 return e + 1; | |
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575 |
| 336 | 576 #if _WIN32 |
| 577 case '\\': | |
| 578 case ':': | |
| 579 return e + 1; | |
| 580 #endif | |
| 581 default: | |
| 582 if (e == str) | |
| 583 break; | |
| 584 e--; | |
| 585 continue; | |
| 586 } | |
| 587 return e; | |
| 588 } | |
| 589 } | |
| 590 | |
| 591 char *FileName::name() | |
| 592 { | |
| 593 return name(str); | |
| 594 } | |
| 595 | |
| 596 /************************************** | |
| 597 * Return path portion of str. | |
| 598 * Path will does not include trailing path separator. | |
| 599 */ | |
| 600 | |
| 601 char *FileName::path(const char *str) | |
| 602 { | |
| 603 char *n = name(str); | |
| 604 char *path; | |
| 605 size_t pathlen; | |
| 606 | |
| 607 if (n > str) | |
| 608 { | |
|
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Allow / as a path separator on Windows.
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336
diff
changeset
|
609 |
| 336 | 610 if (n[-1] == '/') |
| 611 n--; | |
|
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|
612 |
| 336 | 613 #if _WIN32 |
| 614 if (n[-1] == '\\') | |
| 615 n--; | |
| 616 #endif | |
| 617 } | |
| 618 pathlen = n - str; | |
| 619 path = (char *)mem.malloc(pathlen + 1); | |
| 620 memcpy(path, str, pathlen); | |
| 621 path[pathlen] = 0; | |
| 622 return path; | |
| 623 } | |
| 624 | |
| 625 /************************************** | |
| 626 * Replace filename portion of path. | |
| 627 */ | |
| 628 | |
| 629 char *FileName::replaceName(char *path, char *name) | |
| 630 { char *f; | |
| 631 char *n; | |
| 632 size_t pathlen; | |
| 633 size_t namelen; | |
| 634 | |
| 635 if (absolute(name)) | |
| 636 return name; | |
| 637 | |
| 638 n = FileName::name(path); | |
| 639 if (n == path) | |
| 640 return name; | |
| 641 pathlen = n - path; | |
| 642 namelen = strlen(name); | |
| 643 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 644 memcpy(f, path, pathlen); | |
|
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336
diff
changeset
|
645 |
|
431
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Another fix to DMD's path code.
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|
646 if ( |
|
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|
647 path[pathlen - 1] != '/' |
|
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diff
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|
648 #if _WIN32 |
|
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|
649 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
|
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|
650 #endif |
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|
651 ) |
| 336 | 652 { f[pathlen] = '/'; |
| 653 pathlen++; | |
| 654 } | |
|
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|
655 |
| 336 | 656 memcpy(f + pathlen, name, namelen + 1); |
| 657 return f; | |
| 658 } | |
| 659 | |
| 660 /*************************** | |
| 661 */ | |
| 662 | |
| 663 FileName *FileName::defaultExt(const char *name, const char *ext) | |
| 664 { | |
| 665 char *e; | |
| 666 char *s; | |
| 667 size_t len; | |
| 668 size_t extlen; | |
| 669 | |
| 670 e = FileName::ext(name); | |
| 671 if (e) // if already has an extension | |
| 672 return new FileName((char *)name, 0); | |
| 673 | |
| 674 len = strlen(name); | |
| 675 extlen = strlen(ext); | |
| 676 s = (char *)alloca(len + 1 + extlen + 1); | |
| 677 memcpy(s,name,len); | |
| 678 s[len] = '.'; | |
| 679 memcpy(s + len + 1, ext, extlen + 1); | |
| 680 return new FileName(s, 0); | |
| 681 } | |
| 682 | |
| 683 /*************************** | |
| 684 */ | |
| 685 | |
| 686 FileName *FileName::forceExt(const char *name, const char *ext) | |
| 687 { | |
| 688 char *e; | |
| 689 char *s; | |
| 690 size_t len; | |
| 691 size_t extlen; | |
| 692 | |
| 693 e = FileName::ext(name); | |
| 694 if (e) // if already has an extension | |
| 695 { | |
| 696 len = e - name; | |
| 697 extlen = strlen(ext); | |
| 698 | |
| 699 s = (char *)alloca(len + extlen + 1); | |
| 700 memcpy(s,name,len); | |
| 701 memcpy(s + len, ext, extlen + 1); | |
| 702 return new FileName(s, 0); | |
| 703 } | |
| 704 else | |
| 705 return defaultExt(name, ext); // doesn't have one | |
| 706 } | |
| 707 | |
| 708 /****************************** | |
| 709 * Return !=0 if extensions match. | |
| 710 */ | |
| 711 | |
| 712 int FileName::equalsExt(const char *ext) | |
| 713 { const char *e; | |
| 714 | |
| 715 e = FileName::ext(); | |
| 716 if (!e && !ext) | |
| 717 return 1; | |
| 718 if (!e || !ext) | |
| 719 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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diff
changeset
|
720 #if POSIX |
| 336 | 721 return strcmp(e,ext) == 0; |
| 722 #endif | |
| 723 #if _WIN32 | |
| 724 return stricmp(e,ext) == 0; | |
| 725 #endif | |
| 726 } | |
| 727 | |
| 728 /************************************* | |
| 729 * Copy file from this to to. | |
| 730 */ | |
| 731 | |
| 732 void FileName::CopyTo(FileName *to) | |
| 733 { | |
| 734 File file(this); | |
| 735 | |
| 736 #if _WIN32 | |
| 737 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
| 738 #endif | |
|
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diff
changeset
|
739 #if POSIX |
| 336 | 740 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time |
| 741 #endif | |
| 742 file.readv(); | |
| 743 file.name = to; | |
| 744 file.writev(); | |
| 745 } | |
| 746 | |
| 747 /************************************* | |
| 748 * Search Path for file. | |
| 749 * Input: | |
| 750 * cwd if !=0, search current directory before searching path | |
| 751 */ | |
| 752 | |
|
658
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Upgraded frontend to DMD 1.035
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571
diff
changeset
|
753 char *FileName::searchPath(Array *path, const char *name, int cwd) |
| 336 | 754 { |
| 755 if (absolute(name)) | |
| 756 { | |
|
658
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diff
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|
757 return exists(name) ? (char *)name : NULL; |
| 336 | 758 } |
| 759 if (cwd) | |
| 760 { | |
| 761 if (exists(name)) | |
|
658
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|
762 return (char *)name; |
| 336 | 763 } |
| 764 if (path) | |
| 765 { unsigned i; | |
| 766 | |
| 767 for (i = 0; i < path->dim; i++) | |
| 768 { | |
| 769 char *p = (char *)path->data[i]; | |
| 770 char *n = combine(p, name); | |
| 771 | |
| 772 if (exists(n)) | |
| 773 return n; | |
| 774 } | |
| 775 } | |
| 776 return NULL; | |
| 777 } | |
| 778 | |
| 779 int FileName::exists(const char *name) | |
| 780 { | |
|
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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parents:
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diff
changeset
|
781 #if POSIX |
| 336 | 782 struct stat st; |
| 783 | |
| 784 if (stat(name, &st) < 0) | |
| 785 return 0; | |
| 786 if (S_ISDIR(st.st_mode)) | |
| 787 return 2; | |
| 788 return 1; | |
| 789 #endif | |
| 790 #if _WIN32 | |
| 791 DWORD dw; | |
| 792 int result; | |
| 793 | |
| 794 dw = GetFileAttributesA(name); | |
| 795 if (dw == -1L) | |
| 796 result = 0; | |
| 797 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 798 result = 2; | |
| 799 else | |
| 800 result = 1; | |
| 801 return result; | |
| 802 #endif | |
| 803 } | |
| 804 | |
| 805 void FileName::ensurePathExists(const char *path) | |
| 806 { | |
| 807 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
| 808 if (path && *path) | |
| 809 { | |
| 810 if (!exists(path)) | |
| 811 { | |
| 812 char *p = FileName::path(path); | |
| 813 if (*p) | |
| 814 { | |
| 815 #if _WIN32 | |
| 816 size_t len = strlen(p); | |
| 817 if (len > 2 && p[-1] == ':') | |
| 818 { mem.free(p); | |
| 819 return; | |
| 820 } | |
| 821 #endif | |
| 822 ensurePathExists(p); | |
| 823 mem.free(p); | |
| 824 } | |
| 825 #if _WIN32 | |
| 826 if (path[strlen(path) - 1] != '\\') | |
| 827 #endif | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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parents:
535
diff
changeset
|
828 #if POSIX |
| 336 | 829 if (path[strlen(path) - 1] != '\\') |
| 830 #endif | |
| 831 { | |
| 832 //printf("mkdir(%s)\n", path); | |
| 833 #if _WIN32 | |
| 834 if (mkdir(path)) | |
| 835 #endif | |
|
571
cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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parents:
535
diff
changeset
|
836 #if POSIX |
| 336 | 837 if (mkdir(path, 0777)) |
| 838 #endif | |
| 839 error("cannot create directory %s", path); | |
| 840 } | |
| 841 } | |
| 842 } | |
| 843 } | |
| 844 | |
| 845 /****************************** File ********************************/ | |
| 846 | |
| 847 File::File(FileName *n) | |
| 848 { | |
| 849 ref = 0; | |
| 850 buffer = NULL; | |
| 851 len = 0; | |
| 852 touchtime = NULL; | |
| 853 name = n; | |
| 854 } | |
| 855 | |
| 856 File::File(char *n) | |
| 857 { | |
| 858 ref = 0; | |
| 859 buffer = NULL; | |
| 860 len = 0; | |
| 861 touchtime = NULL; | |
| 862 name = new FileName(n, 0); | |
| 863 } | |
| 864 | |
| 865 File::~File() | |
| 866 { | |
| 867 if (buffer) | |
| 868 { | |
| 869 if (ref == 0) | |
| 870 mem.free(buffer); | |
| 871 #if _WIN32 | |
| 872 else if (ref == 2) | |
| 873 UnmapViewOfFile(buffer); | |
| 874 #endif | |
| 875 } | |
| 876 if (touchtime) | |
| 877 mem.free(touchtime); | |
| 878 } | |
| 879 | |
| 880 void File::mark() | |
| 881 { | |
| 882 mem.mark(buffer); | |
| 883 mem.mark(touchtime); | |
| 884 mem.mark(name); | |
| 885 } | |
| 886 | |
| 887 /************************************* | |
| 888 */ | |
| 889 | |
| 890 int File::read() | |
| 891 { | |
|
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
|
892 #if POSIX |
| 336 | 893 off_t size; |
| 894 ssize_t numread; | |
| 895 int fd; | |
| 896 struct stat buf; | |
| 897 int result = 0; | |
| 898 char *name; | |
| 899 | |
| 900 name = this->name->toChars(); | |
| 901 //printf("File::read('%s')\n",name); | |
| 902 fd = open(name, O_RDONLY); | |
| 903 if (fd == -1) | |
| 904 { result = errno; | |
| 905 //printf("\topen error, errno = %d\n",errno); | |
| 906 goto err1; | |
| 907 } | |
| 908 | |
| 909 if (!ref) | |
| 910 mem.free(buffer); | |
| 911 ref = 0; // we own the buffer now | |
| 912 | |
| 913 //printf("\tfile opened\n"); | |
| 914 if (fstat(fd, &buf)) | |
| 915 { | |
| 916 printf("\tfstat error, errno = %d\n",errno); | |
| 917 goto err2; | |
| 918 } | |
| 919 size = buf.st_size; | |
| 920 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 921 if (!buffer) | |
| 922 { | |
| 923 printf("\tmalloc error, errno = %d\n",errno); | |
| 924 goto err2; | |
| 925 } | |
| 926 | |
| 927 numread = ::read(fd, buffer, size); | |
| 928 if (numread != size) | |
| 929 { | |
| 930 printf("\tread error, errno = %d\n",errno); | |
| 931 goto err2; | |
| 932 } | |
| 933 | |
| 934 if (touchtime) | |
| 935 memcpy(touchtime, &buf, sizeof(buf)); | |
| 936 | |
| 937 if (close(fd) == -1) | |
| 938 { | |
| 939 printf("\tclose error, errno = %d\n",errno); | |
| 940 goto err; | |
| 941 } | |
| 942 | |
| 943 len = size; | |
| 944 | |
| 945 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 946 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 947 buffer[size + 1] = 0; | |
| 948 return 0; | |
| 949 | |
| 950 err2: | |
| 951 close(fd); | |
| 952 err: | |
| 953 mem.free(buffer); | |
| 954 buffer = NULL; | |
| 955 len = 0; | |
| 956 | |
| 957 err1: | |
| 958 result = 1; | |
| 959 return result; | |
| 960 #endif | |
| 961 #if _WIN32 | |
| 962 DWORD size; | |
| 963 DWORD numread; | |
| 964 HANDLE h; | |
| 965 int result = 0; | |
| 966 char *name; | |
| 967 | |
| 968 name = this->name->toChars(); | |
| 969 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
| 970 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
| 971 if (h == INVALID_HANDLE_VALUE) | |
| 972 goto err1; | |
| 973 | |
| 974 if (!ref) | |
| 975 mem.free(buffer); | |
| 976 ref = 0; | |
| 977 | |
| 978 size = GetFileSize(h,NULL); | |
| 979 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 980 if (!buffer) | |
| 981 goto err2; | |
| 982 | |
| 983 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
| 984 goto err2; | |
| 985 | |
| 986 if (numread != size) | |
| 987 goto err2; | |
| 988 | |
| 989 if (touchtime) | |
| 990 { | |
| 991 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
| 992 goto err2; | |
| 993 } | |
| 994 | |
| 995 if (!CloseHandle(h)) | |
| 996 goto err; | |
| 997 | |
| 998 len = size; | |
| 999 | |
| 1000 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 1001 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 1002 buffer[size + 1] = 0; | |
| 1003 return 0; | |
| 1004 | |
| 1005 err2: | |
| 1006 CloseHandle(h); | |
| 1007 err: | |
| 1008 mem.free(buffer); | |
| 1009 buffer = NULL; | |
| 1010 len = 0; | |
| 1011 | |
| 1012 err1: | |
| 1013 result = 1; | |
| 1014 return result; | |
| 1015 #endif | |
| 1016 } | |
| 1017 | |
| 1018 /***************************** | |
| 1019 * Read a file with memory mapped file I/O. | |
| 1020 */ | |
| 1021 | |
| 1022 int File::mmread() | |
| 1023 { | |
|
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
|
1024 #if POSIX |
| 336 | 1025 return read(); |
| 1026 #endif | |
| 1027 #if _WIN32 | |
| 1028 HANDLE hFile; | |
| 1029 HANDLE hFileMap; | |
| 1030 DWORD size; | |
| 1031 char *name; | |
| 1032 | |
| 1033 name = this->name->toChars(); | |
| 1034 hFile = CreateFile(name, GENERIC_READ, | |
| 1035 FILE_SHARE_READ, NULL, | |
| 1036 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1037 if (hFile == INVALID_HANDLE_VALUE) | |
| 1038 goto Lerr; | |
| 1039 size = GetFileSize(hFile, NULL); | |
| 1040 //printf(" file created, size %d\n", size); | |
| 1041 | |
| 1042 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
| 1043 if (CloseHandle(hFile) != TRUE) | |
| 1044 goto Lerr; | |
| 1045 | |
| 1046 if (hFileMap == NULL) | |
| 1047 goto Lerr; | |
| 1048 | |
| 1049 //printf(" mapping created\n"); | |
| 1050 | |
| 1051 if (!ref) | |
| 1052 mem.free(buffer); | |
| 1053 ref = 2; | |
| 1054 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
| 1055 if (CloseHandle(hFileMap) != TRUE) | |
| 1056 goto Lerr; | |
| 1057 if (buffer == NULL) // mapping view failed | |
| 1058 goto Lerr; | |
| 1059 | |
| 1060 len = size; | |
| 1061 //printf(" buffer = %p\n", buffer); | |
| 1062 | |
| 1063 return 0; | |
| 1064 | |
| 1065 Lerr: | |
| 1066 return GetLastError(); // failure | |
| 1067 #endif | |
| 1068 } | |
| 1069 | |
| 1070 /********************************************* | |
| 1071 * Write a file. | |
| 1072 * Returns: | |
| 1073 * 0 success | |
| 1074 */ | |
| 1075 | |
| 1076 int File::write() | |
| 1077 { | |
|
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
|
1078 #if POSIX |
| 336 | 1079 int fd; |
| 1080 ssize_t numwritten; | |
| 1081 char *name; | |
| 1082 | |
| 1083 name = this->name->toChars(); | |
| 1084 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
| 1085 if (fd == -1) | |
| 1086 goto err; | |
| 1087 | |
| 1088 numwritten = ::write(fd, buffer, len); | |
| 1089 if (len != numwritten) | |
| 1090 goto err2; | |
| 1091 | |
| 1092 if (close(fd) == -1) | |
| 1093 goto err; | |
| 1094 | |
| 1095 if (touchtime) | |
| 1096 { struct utimbuf ubuf; | |
| 1097 | |
| 1098 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
| 1099 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
| 1100 if (utime(name, &ubuf)) | |
| 1101 goto err; | |
| 1102 } | |
| 1103 return 0; | |
| 1104 | |
| 1105 err2: | |
| 1106 close(fd); | |
| 1107 ::remove(name); | |
| 1108 err: | |
| 1109 return 1; | |
| 1110 #endif | |
| 1111 #if _WIN32 | |
| 1112 HANDLE h; | |
| 1113 DWORD numwritten; | |
| 1114 char *name; | |
| 1115 | |
| 1116 name = this->name->toChars(); | |
| 1117 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
| 1118 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1119 if (h == INVALID_HANDLE_VALUE) | |
| 1120 goto err; | |
| 1121 | |
| 1122 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1123 goto err2; | |
| 1124 | |
| 1125 if (len != numwritten) | |
| 1126 goto err2; | |
| 1127 | |
| 1128 if (touchtime) { | |
| 1129 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1130 } | |
| 1131 if (!CloseHandle(h)) | |
| 1132 goto err; | |
| 1133 return 0; | |
| 1134 | |
| 1135 err2: | |
| 1136 CloseHandle(h); | |
| 1137 DeleteFileA(name); | |
| 1138 err: | |
| 1139 return 1; | |
| 1140 #endif | |
| 1141 } | |
| 1142 | |
| 1143 /********************************************* | |
| 1144 * Append to a file. | |
| 1145 * Returns: | |
| 1146 * 0 success | |
| 1147 */ | |
| 1148 | |
| 1149 int File::append() | |
| 1150 { | |
|
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:
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changeset
|
1151 #if POSIX |
| 336 | 1152 return 1; |
| 1153 #endif | |
| 1154 #if _WIN32 | |
| 1155 HANDLE h; | |
| 1156 DWORD numwritten; | |
| 1157 char *name; | |
| 1158 | |
| 1159 name = this->name->toChars(); | |
| 1160 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
| 1161 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1162 if (h == INVALID_HANDLE_VALUE) | |
| 1163 goto err; | |
| 1164 | |
| 1165 #if 1 | |
| 1166 SetFilePointer(h, 0, NULL, FILE_END); | |
| 1167 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
| 1168 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
| 1169 goto err; | |
| 1170 #endif | |
| 1171 | |
| 1172 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1173 goto err2; | |
| 1174 | |
| 1175 if (len != numwritten) | |
| 1176 goto err2; | |
| 1177 | |
| 1178 if (touchtime) { | |
| 1179 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1180 } | |
| 1181 if (!CloseHandle(h)) | |
| 1182 goto err; | |
| 1183 return 0; | |
| 1184 | |
| 1185 err2: | |
| 1186 CloseHandle(h); | |
| 1187 err: | |
| 1188 return 1; | |
| 1189 #endif | |
| 1190 } | |
| 1191 | |
| 1192 /************************************** | |
| 1193 */ | |
| 1194 | |
| 1195 void File::readv() | |
| 1196 { | |
| 1197 if (read()) | |
| 1198 error("Error reading file '%s'\n",name->toChars()); | |
| 1199 } | |
| 1200 | |
| 1201 /************************************** | |
| 1202 */ | |
| 1203 | |
| 1204 void File::mmreadv() | |
| 1205 { | |
| 1206 if (mmread()) | |
| 1207 readv(); | |
| 1208 } | |
| 1209 | |
| 1210 void File::writev() | |
| 1211 { | |
| 1212 if (write()) | |
| 1213 error("Error writing file '%s'\n",name->toChars()); | |
| 1214 } | |
| 1215 | |
| 1216 void File::appendv() | |
| 1217 { | |
| 1218 if (write()) | |
| 1219 error("Error appending to file '%s'\n",name->toChars()); | |
| 1220 } | |
| 1221 | |
| 1222 /******************************************* | |
| 1223 * Return !=0 if file exists. | |
| 1224 * 0: file doesn't exist | |
| 1225 * 1: normal file | |
| 1226 * 2: directory | |
| 1227 */ | |
| 1228 | |
| 1229 int File::exists() | |
| 1230 { | |
|
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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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parents:
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diff
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|
1231 #if POSIX |
| 336 | 1232 return 0; |
| 1233 #endif | |
| 1234 #if _WIN32 | |
| 1235 DWORD dw; | |
| 1236 int result; | |
| 1237 char *name; | |
| 1238 | |
| 1239 name = this->name->toChars(); | |
| 1240 if (touchtime) | |
| 1241 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
| 1242 else | |
| 1243 dw = GetFileAttributesA(name); | |
| 1244 if (dw == -1L) | |
| 1245 result = 0; | |
| 1246 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 1247 result = 2; | |
| 1248 else | |
| 1249 result = 1; | |
| 1250 return result; | |
| 1251 #endif | |
| 1252 } | |
| 1253 | |
| 1254 void File::remove() | |
| 1255 { | |
|
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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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parents:
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diff
changeset
|
1256 #if POSIX |
| 336 | 1257 ::remove(this->name->toChars()); |
| 1258 #endif | |
| 1259 #if _WIN32 | |
| 1260 DeleteFileA(this->name->toChars()); | |
| 1261 #endif | |
| 1262 } | |
| 1263 | |
| 1264 Array *File::match(char *n) | |
| 1265 { | |
| 1266 return match(new FileName(n, 0)); | |
| 1267 } | |
| 1268 | |
| 1269 Array *File::match(FileName *n) | |
| 1270 { | |
|
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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
|
1271 #if POSIX |
| 336 | 1272 return NULL; |
| 1273 #endif | |
| 1274 #if _WIN32 | |
| 1275 HANDLE h; | |
| 1276 WIN32_FIND_DATAA fileinfo; | |
| 1277 Array *a; | |
| 1278 char *c; | |
| 1279 char *name; | |
| 1280 | |
| 1281 a = new Array(); | |
| 1282 c = n->toChars(); | |
| 1283 name = n->name(); | |
| 1284 h = FindFirstFileA(c,&fileinfo); | |
| 1285 if (h != INVALID_HANDLE_VALUE) | |
| 1286 { | |
| 1287 do | |
| 1288 { | |
| 1289 // Glue path together with name | |
| 1290 char *fn; | |
| 1291 File *f; | |
| 1292 | |
| 1293 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
| 1294 memcpy(fn, c, name - c); | |
| 1295 strcpy(fn + (name - c), fileinfo.cFileName); | |
| 1296 f = new File(fn); | |
| 1297 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
| 1298 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
| 1299 a->push(f); | |
| 1300 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
| 1301 FindClose(h); | |
| 1302 } | |
| 1303 return a; | |
| 1304 #endif | |
| 1305 } | |
| 1306 | |
| 1307 int File::compareTime(File *f) | |
| 1308 { | |
|
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cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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parents:
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diff
changeset
|
1309 #if POSIX |
| 336 | 1310 return 0; |
| 1311 #endif | |
| 1312 #if _WIN32 | |
| 1313 if (!touchtime) | |
| 1314 stat(); | |
| 1315 if (!f->touchtime) | |
| 1316 f->stat(); | |
| 1317 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
| 1318 #endif | |
| 1319 } | |
| 1320 | |
| 1321 void File::stat() | |
| 1322 { | |
|
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cbd6c8073a32
Changed all '#if linux || __APPLE__' to '#if POSIX' so we can support other platforms too, thanx for the suggestion anders.
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parents:
535
diff
changeset
|
1323 #if POSIX |
| 336 | 1324 if (!touchtime) |
| 1325 { | |
| 1326 touchtime = mem.calloc(1, sizeof(struct stat)); | |
| 1327 } | |
| 1328 #endif | |
| 1329 #if _WIN32 | |
| 1330 HANDLE h; | |
| 1331 | |
| 1332 if (!touchtime) | |
| 1333 { | |
| 1334 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
| 1335 } | |
| 1336 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
| 1337 if (h != INVALID_HANDLE_VALUE) | |
| 1338 { | |
| 1339 FindClose(h); | |
| 1340 } | |
| 1341 #endif | |
| 1342 } | |
| 1343 | |
| 1344 void File::checkoffset(size_t offset, size_t nbytes) | |
| 1345 { | |
| 1346 if (offset > len || offset + nbytes > len) | |
| 1347 error("Corrupt file '%s': offset x%"PRIxSIZE" off end of file",toChars(),offset); | |
| 1348 } | |
| 1349 | |
| 1350 char *File::toChars() | |
| 1351 { | |
| 1352 return name->toChars(); | |
| 1353 } | |
| 1354 | |
| 1355 | |
| 1356 /************************* OutBuffer *************************/ | |
| 1357 | |
| 1358 OutBuffer::OutBuffer() | |
| 1359 { | |
| 1360 data = NULL; | |
| 1361 offset = 0; | |
| 1362 size = 0; | |
| 1363 } | |
| 1364 | |
| 1365 OutBuffer::~OutBuffer() | |
| 1366 { | |
| 1367 mem.free(data); | |
| 1368 } | |
| 1369 | |
| 1370 void *OutBuffer::extractData() | |
| 1371 { | |
| 1372 void *p; | |
| 1373 | |
| 1374 p = (void *)data; | |
| 1375 data = NULL; | |
| 1376 offset = 0; | |
| 1377 size = 0; | |
| 1378 return p; | |
| 1379 } | |
| 1380 | |
| 1381 void OutBuffer::mark() | |
| 1382 { | |
| 1383 mem.mark(data); | |
| 1384 } | |
| 1385 | |
| 1386 void OutBuffer::reserve(unsigned nbytes) | |
| 1387 { | |
|
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1388 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); |
| 336 | 1389 if (size - offset < nbytes) |
| 1390 { | |
|
741
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|
1391 #if defined (__x86_64__) |
|
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|
1392 size = (offset + nbytes) * 2+2; |
|
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|
1393 #else |
| 336 | 1394 size = (offset + nbytes) * 2; |
|
741
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|
1395 #endif |
| 336 | 1396 data = (unsigned char *)mem.realloc(data, size); |
| 1397 } | |
| 1398 } | |
| 1399 | |
| 1400 void OutBuffer::reset() | |
| 1401 { | |
| 1402 offset = 0; | |
| 1403 } | |
| 1404 | |
| 1405 void OutBuffer::setsize(unsigned size) | |
| 1406 { | |
| 1407 offset = size; | |
| 1408 } | |
| 1409 | |
| 1410 void OutBuffer::write(const void *data, unsigned nbytes) | |
| 1411 { | |
| 1412 reserve(nbytes); | |
| 1413 memcpy(this->data + offset, data, nbytes); | |
| 1414 offset += nbytes; | |
| 1415 } | |
| 1416 | |
| 1417 void OutBuffer::writebstring(unsigned char *string) | |
| 1418 { | |
| 1419 write(string,*string + 1); | |
| 1420 } | |
| 1421 | |
| 1422 void OutBuffer::writestring(const char *string) | |
| 1423 { | |
| 1424 write(string,strlen(string)); | |
| 1425 } | |
| 1426 | |
| 1427 void OutBuffer::writedstring(const char *string) | |
| 1428 { | |
| 1429 #if M_UNICODE | |
| 1430 for (; *string; string++) | |
| 1431 { | |
| 1432 writedchar(*string); | |
| 1433 } | |
| 1434 #else | |
| 1435 write(string,strlen(string)); | |
| 1436 #endif | |
| 1437 } | |
| 1438 | |
| 1439 void OutBuffer::writedstring(const wchar_t *string) | |
| 1440 { | |
| 1441 #if M_UNICODE | |
| 1442 write(string,wcslen(string) * sizeof(wchar_t)); | |
| 1443 #else | |
| 1444 for (; *string; string++) | |
| 1445 { | |
| 1446 writedchar(*string); | |
| 1447 } | |
| 1448 #endif | |
| 1449 } | |
| 1450 | |
|
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|
1451 void OutBuffer::prependstring(const char *string) |
| 336 | 1452 { unsigned len; |
| 1453 | |
| 1454 len = strlen(string); | |
| 1455 reserve(len); | |
| 1456 memmove(data + len, data, offset); | |
| 1457 memcpy(data, string, len); | |
| 1458 offset += len; | |
| 1459 } | |
| 1460 | |
| 1461 void OutBuffer::writenl() | |
| 1462 { | |
| 1463 #if _WIN32 | |
| 1464 #if M_UNICODE | |
| 1465 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
| 1466 #else | |
| 1467 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
| 1468 #endif | |
| 1469 #else | |
| 1470 #if M_UNICODE | |
| 1471 writeword('\n'); | |
| 1472 #else | |
| 1473 writeByte('\n'); | |
| 1474 #endif | |
| 1475 #endif | |
| 1476 } | |
| 1477 | |
| 1478 void OutBuffer::writeByte(unsigned b) | |
| 1479 { | |
| 1480 reserve(1); | |
| 1481 this->data[offset] = (unsigned char)b; | |
| 1482 offset++; | |
| 1483 } | |
| 1484 | |
| 1485 void OutBuffer::writeUTF8(unsigned b) | |
| 1486 { | |
| 1487 reserve(6); | |
| 1488 if (b <= 0x7F) | |
| 1489 { | |
| 1490 this->data[offset] = (unsigned char)b; | |
| 1491 offset++; | |
| 1492 } | |
| 1493 else if (b <= 0x7FF) | |
| 1494 { | |
| 1495 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
| 1496 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1497 offset += 2; | |
| 1498 } | |
| 1499 else if (b <= 0xFFFF) | |
| 1500 { | |
| 1501 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
| 1502 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1503 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1504 offset += 3; | |
| 1505 } | |
| 1506 else if (b <= 0x1FFFFF) | |
| 1507 { | |
| 1508 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
| 1509 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1510 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1511 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1512 offset += 4; | |
| 1513 } | |
| 1514 else if (b <= 0x3FFFFFF) | |
| 1515 { | |
| 1516 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
| 1517 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1518 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1519 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1520 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1521 offset += 5; | |
| 1522 } | |
| 1523 else if (b <= 0x7FFFFFFF) | |
| 1524 { | |
| 1525 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
| 1526 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
| 1527 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1528 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1529 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1530 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1531 offset += 6; | |
| 1532 } | |
| 1533 else | |
| 1534 assert(0); | |
| 1535 } | |
| 1536 | |
| 1537 void OutBuffer::writedchar(unsigned b) | |
| 1538 { | |
| 1539 reserve(Dchar_mbmax * sizeof(dchar)); | |
| 1540 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
| 1541 this->data; | |
| 1542 } | |
| 1543 | |
| 1544 void OutBuffer::prependbyte(unsigned b) | |
| 1545 { | |
| 1546 reserve(1); | |
| 1547 memmove(data + 1, data, offset); | |
| 1548 data[0] = (unsigned char)b; | |
| 1549 offset++; | |
| 1550 } | |
| 1551 | |
| 1552 void OutBuffer::writeword(unsigned w) | |
| 1553 { | |
| 1554 reserve(2); | |
| 1555 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1556 offset += 2; | |
| 1557 } | |
| 1558 | |
| 1559 void OutBuffer::writeUTF16(unsigned w) | |
| 1560 { | |
| 1561 reserve(4); | |
| 1562 if (w <= 0xFFFF) | |
| 1563 { | |
| 1564 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1565 offset += 2; | |
| 1566 } | |
| 1567 else if (w <= 0x10FFFF) | |
| 1568 { | |
| 1569 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
| 1570 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
| 1571 offset += 4; | |
| 1572 } | |
| 1573 else | |
| 1574 assert(0); | |
| 1575 } | |
| 1576 | |
| 1577 void OutBuffer::write4(unsigned w) | |
| 1578 { | |
| 1579 reserve(4); | |
| 1580 *(unsigned long *)(this->data + offset) = w; | |
| 1581 offset += 4; | |
| 1582 } | |
| 1583 | |
| 1584 void OutBuffer::write(OutBuffer *buf) | |
| 1585 { | |
| 1586 if (buf) | |
| 1587 { reserve(buf->offset); | |
| 1588 memcpy(data + offset, buf->data, buf->offset); | |
| 1589 offset += buf->offset; | |
| 1590 } | |
| 1591 } | |
| 1592 | |
| 1593 void OutBuffer::write(Object *obj) | |
| 1594 { | |
| 1595 if (obj) | |
| 1596 { | |
| 1597 writestring(obj->toChars()); | |
| 1598 } | |
| 1599 } | |
| 1600 | |
| 1601 void OutBuffer::fill0(unsigned nbytes) | |
| 1602 { | |
| 1603 reserve(nbytes); | |
| 1604 memset(data + offset,0,nbytes); | |
| 1605 offset += nbytes; | |
| 1606 } | |
| 1607 | |
| 1608 void OutBuffer::align(unsigned size) | |
| 1609 { unsigned nbytes; | |
| 1610 | |
| 1611 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
| 1612 fill0(nbytes); | |
| 1613 } | |
| 1614 | |
|
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1615 |
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|
1616 //////////////////////////////////////////////////////////////// |
|
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1617 // The compiler shipped with Visual Studio 2005 (and possible |
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1618 // other versions) does not support C99 printf format specfiers |
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1619 // such as %z and %j |
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1620 #if _MSC_VER |
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1621 using std::string; |
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1622 using std::wstring; |
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1623 |
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1624 template<typename S> |
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1625 inline void |
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1626 search_and_replace(S& str, const S& what, const S& replacement) |
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1627 { |
|
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1628 assert(!what.empty()); |
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1629 size_t pos = str.find(what); |
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1630 while (pos != S::npos) |
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1631 { |
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1632 str.replace(pos, what.size(), replacement); |
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1633 pos = str.find(what, pos + replacement.size()); |
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1634 } |
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1635 } |
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1636 #define WORKAROUND_C99_SPECIFIERS_BUG(S,tmp,f) \ |
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1637 S tmp = f; \ |
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1638 search_and_replace(fmt, S("%z"), S("%l")); \ |
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1639 search_and_replace(fmt, S("%j"), S("%i")); \ |
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1640 f = tmp.c_str(); |
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1641 #else |
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1642 #define WORKAROUND_C99_SPECIFIERS_BUG(S,tmp,f) |
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1643 #endif |
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1644 |
| 336 | 1645 void OutBuffer::vprintf(const char *format, va_list args) |
| 1646 { | |
| 1647 char buffer[128]; | |
| 1648 char *p; | |
| 1649 unsigned psize; | |
| 1650 int count; | |
| 1651 | |
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1652 WORKAROUND_C99_SPECIFIERS_BUG(string, fmt, format); |
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1653 |
| 336 | 1654 p = buffer; |
| 1655 psize = sizeof(buffer); | |
| 1656 for (;;) | |
| 1657 { | |
| 1658 #if _WIN32 | |
| 1659 count = _vsnprintf(p,psize,format,args); | |
| 1660 if (count != -1) | |
| 1661 break; | |
| 1662 psize *= 2; | |
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1663 #elif POSIX |
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1664 va_list va; |
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1665 va_copy(va, args); |
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1666 /* |
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1667 The functions vprintf(), vfprintf(), vsprintf(), vsnprintf() |
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1668 are equivalent to the functions printf(), fprintf(), sprintf(), |
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1669 snprintf(), respectively, except that they are called with a |
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1670 va_list instead of a variable number of arguments. These |
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1671 functions do not call the va_end macro. Consequently, the value |
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1672 of ap is undefined after the call. The application should call |
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1673 va_end(ap) itself afterwards. |
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1674 */ |
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1675 count = vsnprintf(p,psize,format,va); |
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1676 va_end(va); |
| 336 | 1677 if (count == -1) |
| 1678 psize *= 2; | |
| 1679 else if (count >= psize) | |
| 1680 psize = count + 1; | |
| 1681 else | |
| 1682 break; | |
| 1683 #endif | |
| 1684 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
| 1685 } | |
| 1686 write(p,count); | |
| 1687 } | |
| 1688 | |
| 1689 #if M_UNICODE | |
| 1690 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
| 1691 { | |
| 1692 dchar buffer[128]; | |
| 1693 dchar *p; | |
| 1694 unsigned psize; | |
| 1695 int count; | |
| 1696 | |
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1697 WORKAROUND_C99_SPECIFIERS_BUG(wstring, fmt, format); |
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1698 |
| 336 | 1699 p = buffer; |
| 1700 psize = sizeof(buffer) / sizeof(buffer[0]); | |
| 1701 for (;;) | |
| 1702 { | |
| 1703 #if _WIN32 | |
| 1704 count = _vsnwprintf(p,psize,format,args); | |
| 1705 if (count != -1) | |
| 1706 break; | |
| 1707 psize *= 2; | |
| 1708 #endif | |
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1709 #if POSIX |
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1710 va_list va; |
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1711 va_copy(va, args); |
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1712 count = vsnwprintf(p,psize,format,va); |
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1713 va_end(va); |
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1714 |
| 336 | 1715 if (count == -1) |
| 1716 psize *= 2; | |
| 1717 else if (count >= psize) | |
| 1718 psize = count + 1; | |
| 1719 else | |
| 1720 break; | |
| 1721 #endif | |
| 1722 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
| 1723 } | |
| 1724 write(p,count * 2); | |
| 1725 } | |
| 1726 #endif | |
| 1727 | |
| 1728 void OutBuffer::printf(const char *format, ...) | |
| 1729 { | |
| 1730 va_list ap; | |
| 1731 va_start(ap, format); | |
| 1732 vprintf(format,ap); | |
| 1733 va_end(ap); | |
| 1734 } | |
| 1735 | |
| 1736 #if M_UNICODE | |
| 1737 void OutBuffer::printf(const wchar_t *format, ...) | |
| 1738 { | |
| 1739 va_list ap; | |
| 1740 va_start(ap, format); | |
| 1741 vprintf(format,ap); | |
| 1742 va_end(ap); | |
| 1743 } | |
| 1744 #endif | |
| 1745 | |
| 1746 void OutBuffer::bracket(char left, char right) | |
| 1747 { | |
| 1748 reserve(2); | |
| 1749 memmove(data + 1, data, offset); | |
| 1750 data[0] = left; | |
| 1751 data[offset + 1] = right; | |
| 1752 offset += 2; | |
| 1753 } | |
| 1754 | |
| 1755 /****************** | |
| 1756 * Insert left at i, and right at j. | |
| 1757 * Return index just past right. | |
| 1758 */ | |
| 1759 | |
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1760 unsigned OutBuffer::bracket(unsigned i, const char *left, unsigned j, const char *right) |
| 336 | 1761 { |
| 1762 size_t leftlen = strlen(left); | |
| 1763 size_t rightlen = strlen(right); | |
| 1764 reserve(leftlen + rightlen); | |
| 1765 insert(i, left, leftlen); | |
| 1766 insert(j + leftlen, right, rightlen); | |
| 1767 return j + leftlen + rightlen; | |
| 1768 } | |
| 1769 | |
| 1770 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
| 1771 { | |
| 1772 reserve(nbytes); | |
| 1773 memmove(data + offset + nbytes, data + offset, | |
| 1774 this->offset - offset); | |
| 1775 this->offset += nbytes; | |
| 1776 } | |
| 1777 | |
| 1778 /**************************************** | |
| 1779 * Returns: offset + nbytes | |
| 1780 */ | |
| 1781 | |
| 1782 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
| 1783 { | |
| 1784 spread(offset, nbytes); | |
| 1785 memmove(data + offset, p, nbytes); | |
| 1786 return offset + nbytes; | |
| 1787 } | |
| 1788 | |
| 1789 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
| 1790 { | |
| 1791 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
| 1792 this->offset -= nbytes; | |
| 1793 } | |
| 1794 | |
| 1795 char *OutBuffer::toChars() | |
| 1796 { | |
| 1797 writeByte(0); | |
| 1798 return (char *)data; | |
| 1799 } | |
| 1800 | |
| 1801 /********************************* Bits ****************************/ | |
| 1802 | |
| 1803 Bits::Bits() | |
| 1804 { | |
| 1805 data = NULL; | |
| 1806 bitdim = 0; | |
| 1807 allocdim = 0; | |
| 1808 } | |
| 1809 | |
| 1810 Bits::~Bits() | |
| 1811 { | |
| 1812 mem.free(data); | |
| 1813 } | |
| 1814 | |
| 1815 void Bits::mark() | |
| 1816 { | |
| 1817 mem.mark(data); | |
| 1818 } | |
| 1819 | |
| 1820 void Bits::resize(unsigned bitdim) | |
| 1821 { | |
| 1822 unsigned allocdim; | |
| 1823 unsigned mask; | |
| 1824 | |
| 1825 allocdim = (bitdim + 31) / 32; | |
| 1826 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
| 1827 if (this->allocdim < allocdim) | |
| 1828 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
| 1829 | |
| 1830 // Clear other bits in last word | |
| 1831 mask = (1 << (bitdim & 31)) - 1; | |
| 1832 if (mask) | |
| 1833 data[allocdim - 1] &= ~mask; | |
| 1834 | |
| 1835 this->bitdim = bitdim; | |
| 1836 this->allocdim = allocdim; | |
| 1837 } | |
| 1838 | |
| 1839 void Bits::set(unsigned bitnum) | |
| 1840 { | |
| 1841 data[bitnum / 32] |= 1 << (bitnum & 31); | |
| 1842 } | |
| 1843 | |
| 1844 void Bits::clear(unsigned bitnum) | |
| 1845 { | |
| 1846 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
| 1847 } | |
| 1848 | |
| 1849 int Bits::test(unsigned bitnum) | |
| 1850 { | |
| 1851 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
| 1852 } | |
| 1853 | |
| 1854 void Bits::set() | |
| 1855 { unsigned mask; | |
| 1856 | |
| 1857 memset(data, ~0, allocdim * sizeof(data[0])); | |
| 1858 | |
| 1859 // Clear other bits in last word | |
| 1860 mask = (1 << (bitdim & 31)) - 1; | |
| 1861 if (mask) | |
| 1862 data[allocdim - 1] &= mask; | |
| 1863 } | |
| 1864 | |
| 1865 void Bits::clear() | |
| 1866 { | |
| 1867 memset(data, 0, allocdim * sizeof(data[0])); | |
| 1868 } | |
| 1869 | |
| 1870 void Bits::copy(Bits *from) | |
| 1871 { | |
| 1872 assert(bitdim == from->bitdim); | |
| 1873 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
| 1874 } | |
| 1875 | |
| 1876 Bits *Bits::clone() | |
| 1877 { | |
| 1878 Bits *b; | |
| 1879 | |
| 1880 b = new Bits(); | |
| 1881 b->resize(bitdim); | |
| 1882 b->copy(this); | |
| 1883 return b; | |
| 1884 } | |
| 1885 | |
| 1886 void Bits::sub(Bits *b) | |
| 1887 { | |
| 1888 unsigned u; | |
| 1889 | |
| 1890 for (u = 0; u < allocdim; u++) | |
| 1891 data[u] &= ~b->data[u]; | |
| 1892 } | |
| 1893 | |
| 1894 | |
| 1895 | |
| 1896 | |
| 1897 | |
| 1898 | |
| 1899 | |
| 1900 | |
| 1901 | |
| 1902 | |
| 1903 | |
| 1904 | |
| 1905 | |
| 1906 | |
| 1907 |