| 1 | /* perl.h |
| 2 | * |
| 3 | * Copyright (c) 1987-1997, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | #ifndef H_PERL |
| 10 | #define H_PERL 1 |
| 11 | #define OVERLOAD |
| 12 | |
| 13 | #ifdef PERL_FOR_X2P |
| 14 | /* |
| 15 | * This file is being used for x2p stuff. |
| 16 | * Above symbol is defined via -D in 'x2p/Makefile.SH' |
| 17 | * Decouple x2p stuff from some of perls more extreme eccentricities. |
| 18 | */ |
| 19 | #undef EMBED |
| 20 | #undef NO_EMBED |
| 21 | #define NO_EMBED |
| 22 | #undef MULTIPLICITY |
| 23 | #undef USE_STDIO |
| 24 | #define USE_STDIO |
| 25 | #endif /* PERL_FOR_X2P */ |
| 26 | |
| 27 | #define VOIDUSED 1 |
| 28 | #include "config.h" |
| 29 | |
| 30 | #include "embed.h" |
| 31 | |
| 32 | /* |
| 33 | * STMT_START { statements; } STMT_END; |
| 34 | * can be used as a single statement, as in |
| 35 | * if (x) STMT_START { ... } STMT_END; else ... |
| 36 | * |
| 37 | * Trying to select a version that gives no warnings... |
| 38 | */ |
| 39 | #if !(defined(STMT_START) && defined(STMT_END)) |
| 40 | # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus) |
| 41 | # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */ |
| 42 | # define STMT_END ) |
| 43 | # else |
| 44 | /* Now which other defined()s do we need here ??? */ |
| 45 | # if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) |
| 46 | # define STMT_START if (1) |
| 47 | # define STMT_END else (void)0 |
| 48 | # else |
| 49 | # define STMT_START do |
| 50 | # define STMT_END while (0) |
| 51 | # endif |
| 52 | # endif |
| 53 | #endif |
| 54 | |
| 55 | /* |
| 56 | * SOFT_CAST can be used for args to prototyped functions to retain some |
| 57 | * type checking; it only casts if the compiler does not know prototypes. |
| 58 | */ |
| 59 | #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE) |
| 60 | #define SOFT_CAST(type) |
| 61 | #else |
| 62 | #define SOFT_CAST(type) (type) |
| 63 | #endif |
| 64 | |
| 65 | #ifndef BYTEORDER |
| 66 | # define BYTEORDER 0x1234 |
| 67 | #endif |
| 68 | |
| 69 | /* Overall memory policy? */ |
| 70 | #ifndef CONSERVATIVE |
| 71 | # define LIBERAL 1 |
| 72 | #endif |
| 73 | |
| 74 | /* |
| 75 | * The following contortions are brought to you on behalf of all the |
| 76 | * standards, semi-standards, de facto standards, not-so-de-facto standards |
| 77 | * of the world, as well as all the other botches anyone ever thought of. |
| 78 | * The basic theory is that if we work hard enough here, the rest of the |
| 79 | * code can be a lot prettier. Well, so much for theory. Sorry, Henry... |
| 80 | */ |
| 81 | |
| 82 | /* define this once if either system, instead of cluttering up the src */ |
| 83 | #if defined(MSDOS) || defined(atarist) || defined(WIN32) |
| 84 | #define DOSISH 1 |
| 85 | #endif |
| 86 | |
| 87 | #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) |
| 88 | # define STANDARD_C 1 |
| 89 | #endif |
| 90 | |
| 91 | #if defined(__cplusplus) || defined(WIN32) |
| 92 | # define DONT_DECLARE_STD 1 |
| 93 | #endif |
| 94 | |
| 95 | #if defined(HASVOLATILE) || defined(STANDARD_C) |
| 96 | # ifdef __cplusplus |
| 97 | # define VOL // to temporarily suppress warnings |
| 98 | # else |
| 99 | # define VOL volatile |
| 100 | # endif |
| 101 | #else |
| 102 | # define VOL |
| 103 | #endif |
| 104 | |
| 105 | #define TAINT (tainted = TRUE) |
| 106 | #define TAINT_NOT (tainted = FALSE) |
| 107 | #define TAINT_IF(c) if (c) { tainted = TRUE; } |
| 108 | #define TAINT_ENV() if (tainting) { taint_env(); } |
| 109 | #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); } |
| 110 | |
| 111 | /* XXX All process group stuff is handled in pp_sys.c. Should these |
| 112 | defines move there? If so, I could simplify this a lot. --AD 9/96. |
| 113 | */ |
| 114 | /* Process group stuff changed from traditional BSD to POSIX. |
| 115 | perlfunc.pod documents the traditional BSD-style syntax, so we'll |
| 116 | try to preserve that, if possible. |
| 117 | */ |
| 118 | #ifdef HAS_SETPGID |
| 119 | # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) |
| 120 | #else |
| 121 | # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) |
| 122 | # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) |
| 123 | # else |
| 124 | # ifdef HAS_SETPGRP2 /* DG/UX */ |
| 125 | # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) |
| 126 | # endif |
| 127 | # endif |
| 128 | #endif |
| 129 | #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) |
| 130 | # define HAS_SETPGRP /* Well, effectively it does . . . */ |
| 131 | #endif |
| 132 | |
| 133 | /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes |
| 134 | our life easier :-) so we'll try it. |
| 135 | */ |
| 136 | #ifdef HAS_GETPGID |
| 137 | # define BSD_GETPGRP(pid) getpgid((pid)) |
| 138 | #else |
| 139 | # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) |
| 140 | # define BSD_GETPGRP(pid) getpgrp((pid)) |
| 141 | # else |
| 142 | # ifdef HAS_GETPGRP2 /* DG/UX */ |
| 143 | # define BSD_GETPGRP(pid) getpgrp2((pid)) |
| 144 | # endif |
| 145 | # endif |
| 146 | #endif |
| 147 | #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) |
| 148 | # define HAS_GETPGRP /* Well, effectively it does . . . */ |
| 149 | #endif |
| 150 | |
| 151 | /* These are not exact synonyms, since setpgrp() and getpgrp() may |
| 152 | have different behaviors, but perl.h used to define USE_BSDPGRP |
| 153 | (prior to 5.003_05) so some extension might depend on it. |
| 154 | */ |
| 155 | #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) |
| 156 | # ifndef USE_BSDPGRP |
| 157 | # define USE_BSDPGRP |
| 158 | # endif |
| 159 | #endif |
| 160 | |
| 161 | #ifndef _TYPES_ /* If types.h defines this it's easy. */ |
| 162 | # ifndef major /* Does everyone's types.h define this? */ |
| 163 | # include <sys/types.h> |
| 164 | # endif |
| 165 | #endif |
| 166 | |
| 167 | #ifdef __cplusplus |
| 168 | # ifndef I_STDARG |
| 169 | # define I_STDARG 1 |
| 170 | # endif |
| 171 | #endif |
| 172 | |
| 173 | #ifdef I_STDARG |
| 174 | # include <stdarg.h> |
| 175 | #else |
| 176 | # ifdef I_VARARGS |
| 177 | # include <varargs.h> |
| 178 | # endif |
| 179 | #endif |
| 180 | |
| 181 | #include "perlio.h" |
| 182 | |
| 183 | #ifdef USE_NEXT_CTYPE |
| 184 | |
| 185 | #if NX_CURRENT_COMPILER_RELEASE >= 400 |
| 186 | #include <objc/NXCType.h> |
| 187 | #else /* NX_CURRENT_COMPILER_RELEASE < 400 */ |
| 188 | #include <appkit/NXCType.h> |
| 189 | #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ |
| 190 | |
| 191 | #else /* !USE_NEXT_CTYPE */ |
| 192 | #include <ctype.h> |
| 193 | #endif /* USE_NEXT_CTYPE */ |
| 194 | |
| 195 | #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ |
| 196 | #undef METHOD |
| 197 | #endif |
| 198 | |
| 199 | #ifdef I_LOCALE |
| 200 | # include <locale.h> |
| 201 | #endif |
| 202 | |
| 203 | #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) |
| 204 | # define USE_LOCALE |
| 205 | # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ |
| 206 | && defined(HAS_STRXFRM) |
| 207 | # define USE_LOCALE_COLLATE |
| 208 | # endif |
| 209 | # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) |
| 210 | # define USE_LOCALE_CTYPE |
| 211 | # endif |
| 212 | # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) |
| 213 | # define USE_LOCALE_NUMERIC |
| 214 | # endif |
| 215 | #endif /* !NO_LOCALE && HAS_SETLOCALE */ |
| 216 | |
| 217 | #include <setjmp.h> |
| 218 | |
| 219 | #ifdef I_SYS_PARAM |
| 220 | # ifdef PARAM_NEEDS_TYPES |
| 221 | # include <sys/types.h> |
| 222 | # endif |
| 223 | # include <sys/param.h> |
| 224 | #endif |
| 225 | |
| 226 | |
| 227 | /* Use all the "standard" definitions? */ |
| 228 | #if defined(STANDARD_C) && defined(I_STDLIB) |
| 229 | # include <stdlib.h> |
| 230 | #endif |
| 231 | |
| 232 | /* This comes after <stdlib.h> so we don't try to change the standard |
| 233 | * library prototypes; we'll use our own in proto.h instead. */ |
| 234 | |
| 235 | #ifdef MYMALLOC |
| 236 | |
| 237 | # ifdef HIDEMYMALLOC |
| 238 | # define malloc Mymalloc |
| 239 | # define calloc Mycalloc |
| 240 | # define realloc Myremalloc |
| 241 | # define free Myfree |
| 242 | # endif |
| 243 | # ifdef EMBEDMYMALLOC |
| 244 | # define malloc Perl_malloc |
| 245 | # define calloc Perl_calloc |
| 246 | # define realloc Perl_realloc |
| 247 | # define free Perl_free |
| 248 | # endif |
| 249 | |
| 250 | # undef safemalloc |
| 251 | # undef safecalloc |
| 252 | # undef saferealloc |
| 253 | # undef safefree |
| 254 | # define safemalloc malloc |
| 255 | # define safecalloc calloc |
| 256 | # define saferealloc realloc |
| 257 | # define safefree free |
| 258 | |
| 259 | #endif /* MYMALLOC */ |
| 260 | |
| 261 | #define MEM_SIZE Size_t |
| 262 | |
| 263 | #if defined(STANDARD_C) && defined(I_STDDEF) |
| 264 | # include <stddef.h> |
| 265 | # define STRUCT_OFFSET(s,m) offsetof(s,m) |
| 266 | #else |
| 267 | # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) |
| 268 | #endif |
| 269 | |
| 270 | #if defined(I_STRING) || defined(__cplusplus) |
| 271 | # include <string.h> |
| 272 | #else |
| 273 | # include <strings.h> |
| 274 | #endif |
| 275 | |
| 276 | #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) |
| 277 | #define strchr index |
| 278 | #define strrchr rindex |
| 279 | #endif |
| 280 | |
| 281 | #ifdef I_MEMORY |
| 282 | # include <memory.h> |
| 283 | #endif |
| 284 | |
| 285 | #ifdef HAS_MEMCPY |
| 286 | # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) |
| 287 | # ifndef memcpy |
| 288 | extern char * memcpy _((char*, char*, int)); |
| 289 | # endif |
| 290 | # endif |
| 291 | #else |
| 292 | # ifndef memcpy |
| 293 | # ifdef HAS_BCOPY |
| 294 | # define memcpy(d,s,l) bcopy(s,d,l) |
| 295 | # else |
| 296 | # define memcpy(d,s,l) my_bcopy(s,d,l) |
| 297 | # endif |
| 298 | # endif |
| 299 | #endif /* HAS_MEMCPY */ |
| 300 | |
| 301 | #ifdef HAS_MEMSET |
| 302 | # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) |
| 303 | # ifndef memset |
| 304 | extern char *memset _((char*, int, int)); |
| 305 | # endif |
| 306 | # endif |
| 307 | #else |
| 308 | # define memset(d,c,l) my_memset(d,c,l) |
| 309 | #endif /* HAS_MEMSET */ |
| 310 | |
| 311 | #if !defined(HAS_MEMMOVE) && !defined(memmove) |
| 312 | # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) |
| 313 | # define memmove(d,s,l) bcopy(s,d,l) |
| 314 | # else |
| 315 | # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) |
| 316 | # define memmove(d,s,l) memcpy(d,s,l) |
| 317 | # else |
| 318 | # define memmove(d,s,l) my_bcopy(s,d,l) |
| 319 | # endif |
| 320 | # endif |
| 321 | #endif |
| 322 | |
| 323 | #if defined(mips) && defined(ultrix) && !defined(__STDC__) |
| 324 | # undef HAS_MEMCMP |
| 325 | #endif |
| 326 | |
| 327 | #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) |
| 328 | # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) |
| 329 | # ifndef memcmp |
| 330 | extern int memcmp _((char*, char*, int)); |
| 331 | # endif |
| 332 | # endif |
| 333 | # ifdef BUGGY_MSC |
| 334 | # pragma function(memcmp) |
| 335 | # endif |
| 336 | #else |
| 337 | # ifndef memcmp |
| 338 | # define memcmp my_memcmp |
| 339 | # endif |
| 340 | #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ |
| 341 | |
| 342 | #ifndef memzero |
| 343 | # ifdef HAS_BZERO |
| 344 | # define memzero(d,l) bzero(d,l) |
| 345 | # else |
| 346 | # ifdef HAS_MEMSET |
| 347 | # define memzero(d,l) memset(d,0,l) |
| 348 | # else |
| 349 | # define memzero(d,l) my_bzero(d,l) |
| 350 | # endif |
| 351 | # endif |
| 352 | #endif |
| 353 | |
| 354 | #ifndef HAS_BCMP |
| 355 | # ifndef bcmp |
| 356 | # define bcmp(s1,s2,l) memcmp(s1,s2,l) |
| 357 | # endif |
| 358 | #endif /* !HAS_BCMP */ |
| 359 | |
| 360 | #ifdef I_NETINET_IN |
| 361 | # include <netinet/in.h> |
| 362 | #endif |
| 363 | |
| 364 | #ifdef I_SYS_STAT |
| 365 | #include <sys/stat.h> |
| 366 | #endif |
| 367 | |
| 368 | /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives |
| 369 | like UTekV) are broken, sometimes giving false positives. Undefine |
| 370 | them here and let the code below set them to proper values. |
| 371 | |
| 372 | The ghs macro stands for GreenHills Software C-1.8.5 which |
| 373 | is the C compiler for sysV88 and the various derivatives. |
| 374 | This header file bug is corrected in gcc-2.5.8 and later versions. |
| 375 | --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ |
| 376 | |
| 377 | #if defined(uts) || (defined(m88k) && defined(ghs)) |
| 378 | # undef S_ISDIR |
| 379 | # undef S_ISCHR |
| 380 | # undef S_ISBLK |
| 381 | # undef S_ISREG |
| 382 | # undef S_ISFIFO |
| 383 | # undef S_ISLNK |
| 384 | #endif |
| 385 | |
| 386 | #ifdef I_TIME |
| 387 | # include <time.h> |
| 388 | #endif |
| 389 | |
| 390 | #ifdef I_SYS_TIME |
| 391 | # ifdef I_SYS_TIME_KERNEL |
| 392 | # define KERNEL |
| 393 | # endif |
| 394 | # include <sys/time.h> |
| 395 | # ifdef I_SYS_TIME_KERNEL |
| 396 | # undef KERNEL |
| 397 | # endif |
| 398 | #endif |
| 399 | |
| 400 | #if defined(HAS_TIMES) && defined(I_SYS_TIMES) |
| 401 | # include <sys/times.h> |
| 402 | #endif |
| 403 | |
| 404 | #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) |
| 405 | # undef HAS_STRERROR |
| 406 | #endif |
| 407 | |
| 408 | #ifndef HAS_MKFIFO |
| 409 | # ifndef mkfifo |
| 410 | # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0)) |
| 411 | # endif |
| 412 | #endif /* !HAS_MKFIFO */ |
| 413 | |
| 414 | #include <errno.h> |
| 415 | #ifdef HAS_SOCKET |
| 416 | # ifdef I_NET_ERRNO |
| 417 | # include <net/errno.h> |
| 418 | # endif |
| 419 | #endif |
| 420 | |
| 421 | #ifdef VMS |
| 422 | # define SETERRNO(errcode,vmserrcode) \ |
| 423 | STMT_START { \ |
| 424 | set_errno(errcode); \ |
| 425 | set_vaxc_errno(vmserrcode); \ |
| 426 | } STMT_END |
| 427 | #else |
| 428 | # define SETERRNO(errcode,vmserrcode) errno = (errcode) |
| 429 | #endif |
| 430 | |
| 431 | #ifndef errno |
| 432 | extern int errno; /* ANSI allows errno to be an lvalue expr */ |
| 433 | #endif |
| 434 | |
| 435 | #ifdef HAS_STRERROR |
| 436 | # ifdef VMS |
| 437 | char *strerror _((int,...)); |
| 438 | # else |
| 439 | #ifndef DONT_DECLARE_STD |
| 440 | char *strerror _((int)); |
| 441 | #endif |
| 442 | # endif |
| 443 | # ifndef Strerror |
| 444 | # define Strerror strerror |
| 445 | # endif |
| 446 | #else |
| 447 | # ifdef HAS_SYS_ERRLIST |
| 448 | extern int sys_nerr; |
| 449 | extern char *sys_errlist[]; |
| 450 | # ifndef Strerror |
| 451 | # define Strerror(e) \ |
| 452 | ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) |
| 453 | # endif |
| 454 | # endif |
| 455 | #endif |
| 456 | |
| 457 | #ifdef I_SYS_IOCTL |
| 458 | # ifndef _IOCTL_ |
| 459 | # include <sys/ioctl.h> |
| 460 | # endif |
| 461 | #endif |
| 462 | |
| 463 | #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) |
| 464 | # ifdef HAS_SOCKETPAIR |
| 465 | # undef HAS_SOCKETPAIR |
| 466 | # endif |
| 467 | # ifdef I_NDBM |
| 468 | # undef I_NDBM |
| 469 | # endif |
| 470 | #endif |
| 471 | |
| 472 | #if INTSIZE == 2 |
| 473 | # define htoni htons |
| 474 | # define ntohi ntohs |
| 475 | #else |
| 476 | # define htoni htonl |
| 477 | # define ntohi ntohl |
| 478 | #endif |
| 479 | |
| 480 | /* Configure already sets Direntry_t */ |
| 481 | #if defined(I_DIRENT) |
| 482 | # include <dirent.h> |
| 483 | # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ |
| 484 | # include <sys/dir.h> |
| 485 | # endif |
| 486 | #else |
| 487 | # ifdef I_SYS_NDIR |
| 488 | # include <sys/ndir.h> |
| 489 | # else |
| 490 | # ifdef I_SYS_DIR |
| 491 | # ifdef hp9000s500 |
| 492 | # include <ndir.h> /* may be wrong in the future */ |
| 493 | # else |
| 494 | # include <sys/dir.h> |
| 495 | # endif |
| 496 | # endif |
| 497 | # endif |
| 498 | #endif |
| 499 | |
| 500 | #ifdef FPUTS_BOTCH |
| 501 | /* work around botch in SunOS 4.0.1 and 4.0.2 */ |
| 502 | # ifndef fputs |
| 503 | # define fputs(sv,fp) fprintf(fp,"%s",sv) |
| 504 | # endif |
| 505 | #endif |
| 506 | |
| 507 | /* |
| 508 | * The following gobbledygook brought to you on behalf of __STDC__. |
| 509 | * (I could just use #ifndef __STDC__, but this is more bulletproof |
| 510 | * in the face of half-implementations.) |
| 511 | */ |
| 512 | |
| 513 | #ifndef S_IFMT |
| 514 | # ifdef _S_IFMT |
| 515 | # define S_IFMT _S_IFMT |
| 516 | # else |
| 517 | # define S_IFMT 0170000 |
| 518 | # endif |
| 519 | #endif |
| 520 | |
| 521 | #ifndef S_ISDIR |
| 522 | # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) |
| 523 | #endif |
| 524 | |
| 525 | #ifndef S_ISCHR |
| 526 | # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) |
| 527 | #endif |
| 528 | |
| 529 | #ifndef S_ISBLK |
| 530 | # ifdef S_IFBLK |
| 531 | # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) |
| 532 | # else |
| 533 | # define S_ISBLK(m) (0) |
| 534 | # endif |
| 535 | #endif |
| 536 | |
| 537 | #ifndef S_ISREG |
| 538 | # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) |
| 539 | #endif |
| 540 | |
| 541 | #ifndef S_ISFIFO |
| 542 | # ifdef S_IFIFO |
| 543 | # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) |
| 544 | # else |
| 545 | # define S_ISFIFO(m) (0) |
| 546 | # endif |
| 547 | #endif |
| 548 | |
| 549 | #ifndef S_ISLNK |
| 550 | # ifdef _S_ISLNK |
| 551 | # define S_ISLNK(m) _S_ISLNK(m) |
| 552 | # else |
| 553 | # ifdef _S_IFLNK |
| 554 | # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) |
| 555 | # else |
| 556 | # ifdef S_IFLNK |
| 557 | # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) |
| 558 | # else |
| 559 | # define S_ISLNK(m) (0) |
| 560 | # endif |
| 561 | # endif |
| 562 | # endif |
| 563 | #endif |
| 564 | |
| 565 | #ifndef S_ISSOCK |
| 566 | # ifdef _S_ISSOCK |
| 567 | # define S_ISSOCK(m) _S_ISSOCK(m) |
| 568 | # else |
| 569 | # ifdef _S_IFSOCK |
| 570 | # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) |
| 571 | # else |
| 572 | # ifdef S_IFSOCK |
| 573 | # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) |
| 574 | # else |
| 575 | # define S_ISSOCK(m) (0) |
| 576 | # endif |
| 577 | # endif |
| 578 | # endif |
| 579 | #endif |
| 580 | |
| 581 | #ifndef S_IRUSR |
| 582 | # ifdef S_IREAD |
| 583 | # define S_IRUSR S_IREAD |
| 584 | # define S_IWUSR S_IWRITE |
| 585 | # define S_IXUSR S_IEXEC |
| 586 | # else |
| 587 | # define S_IRUSR 0400 |
| 588 | # define S_IWUSR 0200 |
| 589 | # define S_IXUSR 0100 |
| 590 | # endif |
| 591 | # define S_IRGRP (S_IRUSR>>3) |
| 592 | # define S_IWGRP (S_IWUSR>>3) |
| 593 | # define S_IXGRP (S_IXUSR>>3) |
| 594 | # define S_IROTH (S_IRUSR>>6) |
| 595 | # define S_IWOTH (S_IWUSR>>6) |
| 596 | # define S_IXOTH (S_IXUSR>>6) |
| 597 | #endif |
| 598 | |
| 599 | #ifndef S_ISUID |
| 600 | # define S_ISUID 04000 |
| 601 | #endif |
| 602 | |
| 603 | #ifndef S_ISGID |
| 604 | # define S_ISGID 02000 |
| 605 | #endif |
| 606 | |
| 607 | #ifdef ff_next |
| 608 | # undef ff_next |
| 609 | #endif |
| 610 | |
| 611 | #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) |
| 612 | # define SLOPPYDIVIDE |
| 613 | #endif |
| 614 | |
| 615 | #ifdef UV |
| 616 | #undef UV |
| 617 | #endif |
| 618 | |
| 619 | /* XXX QUAD stuff is not currently supported on most systems. |
| 620 | Specifically, perl internals don't support long long. Among |
| 621 | the many problems is that some compilers support long long, |
| 622 | but the underlying library functions (such as sprintf) don't. |
| 623 | Some things do work (such as quad pack/unpack on convex); |
| 624 | also some systems use long long for the fpos_t typedef. That |
| 625 | seems to work too. |
| 626 | |
| 627 | The IV type is supposed to be long enough to hold any integral |
| 628 | value or a pointer. |
| 629 | --Andy Dougherty August 1996 |
| 630 | */ |
| 631 | |
| 632 | #ifdef cray |
| 633 | # define Quad_t int |
| 634 | #else |
| 635 | # ifdef convex |
| 636 | # define Quad_t long long |
| 637 | # else |
| 638 | # if BYTEORDER > 0xFFFF |
| 639 | # define Quad_t long |
| 640 | # endif |
| 641 | # endif |
| 642 | #endif |
| 643 | |
| 644 | #ifdef Quad_t |
| 645 | # define HAS_QUAD |
| 646 | typedef Quad_t IV; |
| 647 | typedef unsigned Quad_t UV; |
| 648 | # define IV_MAX PERL_QUAD_MAX |
| 649 | # define IV_MIN PERL_QUAD_MIN |
| 650 | # define UV_MAX PERL_UQUAD_MAX |
| 651 | # define UV_MIN PERL_UQUAD_MIN |
| 652 | #else |
| 653 | typedef long IV; |
| 654 | typedef unsigned long UV; |
| 655 | # define IV_MAX PERL_LONG_MAX |
| 656 | # define IV_MIN PERL_LONG_MIN |
| 657 | # define UV_MAX PERL_ULONG_MAX |
| 658 | # define UV_MIN PERL_ULONG_MIN |
| 659 | #endif |
| 660 | |
| 661 | /* Previously these definitions used hardcoded figures. |
| 662 | * It is hoped these formula are more portable, although |
| 663 | * no data one way or another is presently known to me. |
| 664 | * The "PERL_" names are used because these calculated constants |
| 665 | * do not meet the ANSI requirements for LONG_MAX, etc., which |
| 666 | * need to be constants acceptable to #if - kja |
| 667 | * define PERL_LONG_MAX 2147483647L |
| 668 | * define PERL_LONG_MIN (-LONG_MAX - 1) |
| 669 | * define PERL ULONG_MAX 4294967295L |
| 670 | */ |
| 671 | |
| 672 | #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ |
| 673 | # include <limits.h> |
| 674 | #else |
| 675 | #ifdef I_VALUES |
| 676 | # include <values.h> |
| 677 | #endif |
| 678 | #endif |
| 679 | |
| 680 | /* |
| 681 | * Try to figure out max and min values for the integral types. THE CORRECT |
| 682 | * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The |
| 683 | * following hacks are used if neither limits.h or values.h provide them: |
| 684 | * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 |
| 685 | * for types < int: (unsigned TYPE)~(unsigned)0 |
| 686 | * The argument to ~ must be unsigned so that later signed->unsigned |
| 687 | * conversion can't modify the value's bit pattern (e.g. -0 -> +0), |
| 688 | * and it must not be smaller than int because ~ does integral promotion. |
| 689 | * <type>_MAX: (<type>) (U<type>_MAX >> 1) |
| 690 | * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. |
| 691 | * The latter is a hack which happens to work on some machines but |
| 692 | * does *not* catch any random system, or things like integer types |
| 693 | * with NaN if that is possible. |
| 694 | * |
| 695 | * All of the types are explicitly cast to prevent accidental loss of |
| 696 | * numeric range, and in the hope that they will be less likely to confuse |
| 697 | * over-eager optimizers. |
| 698 | * |
| 699 | */ |
| 700 | |
| 701 | #define PERL_UCHAR_MIN ((unsigned char)0) |
| 702 | |
| 703 | #ifdef UCHAR_MAX |
| 704 | # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) |
| 705 | #else |
| 706 | # ifdef MAXUCHAR |
| 707 | # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) |
| 708 | # else |
| 709 | # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) |
| 710 | # endif |
| 711 | #endif |
| 712 | |
| 713 | /* |
| 714 | * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be |
| 715 | * ambiguous. It may be equivalent to (signed char) or (unsigned char) |
| 716 | * depending on local options. Until Configure detects this (or at least |
| 717 | * detects whether the "signed" keyword is available) the CHAR ranges |
| 718 | * will not be included. UCHAR functions normally. |
| 719 | * - kja |
| 720 | */ |
| 721 | |
| 722 | #define PERL_USHORT_MIN ((unsigned short)0) |
| 723 | |
| 724 | #ifdef USHORT_MAX |
| 725 | # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) |
| 726 | #else |
| 727 | # ifdef MAXUSHORT |
| 728 | # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) |
| 729 | # else |
| 730 | # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) |
| 731 | # endif |
| 732 | #endif |
| 733 | |
| 734 | #ifdef SHORT_MAX |
| 735 | # define PERL_SHORT_MAX ((short)SHORT_MAX) |
| 736 | #else |
| 737 | # ifdef MAXSHORT /* Often used in <values.h> */ |
| 738 | # define PERL_SHORT_MAX ((short)MAXSHORT) |
| 739 | # else |
| 740 | # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) |
| 741 | # endif |
| 742 | #endif |
| 743 | |
| 744 | #ifdef SHORT_MIN |
| 745 | # define PERL_SHORT_MIN ((short)SHORT_MIN) |
| 746 | #else |
| 747 | # ifdef MINSHORT |
| 748 | # define PERL_SHORT_MIN ((short)MINSHORT) |
| 749 | # else |
| 750 | # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) |
| 751 | # endif |
| 752 | #endif |
| 753 | |
| 754 | #ifdef UINT_MAX |
| 755 | # define PERL_UINT_MAX ((unsigned int)UINT_MAX) |
| 756 | #else |
| 757 | # ifdef MAXUINT |
| 758 | # define PERL_UINT_MAX ((unsigned int)MAXUINT) |
| 759 | # else |
| 760 | # define PERL_UINT_MAX (~(unsigned int)0) |
| 761 | # endif |
| 762 | #endif |
| 763 | |
| 764 | #define PERL_UINT_MIN ((unsigned int)0) |
| 765 | |
| 766 | #ifdef INT_MAX |
| 767 | # define PERL_INT_MAX ((int)INT_MAX) |
| 768 | #else |
| 769 | # ifdef MAXINT /* Often used in <values.h> */ |
| 770 | # define PERL_INT_MAX ((int)MAXINT) |
| 771 | # else |
| 772 | # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) |
| 773 | # endif |
| 774 | #endif |
| 775 | |
| 776 | #ifdef INT_MIN |
| 777 | # define PERL_INT_MIN ((int)INT_MIN) |
| 778 | #else |
| 779 | # ifdef MININT |
| 780 | # define PERL_INT_MIN ((int)MININT) |
| 781 | # else |
| 782 | # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) |
| 783 | # endif |
| 784 | #endif |
| 785 | |
| 786 | #ifdef ULONG_MAX |
| 787 | # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) |
| 788 | #else |
| 789 | # ifdef MAXULONG |
| 790 | # define PERL_ULONG_MAX ((unsigned long)MAXULONG) |
| 791 | # else |
| 792 | # define PERL_ULONG_MAX (~(unsigned long)0) |
| 793 | # endif |
| 794 | #endif |
| 795 | |
| 796 | #define PERL_ULONG_MIN ((unsigned long)0L) |
| 797 | |
| 798 | #ifdef LONG_MAX |
| 799 | # define PERL_LONG_MAX ((long)LONG_MAX) |
| 800 | #else |
| 801 | # ifdef MAXLONG /* Often used in <values.h> */ |
| 802 | # define PERL_LONG_MAX ((long)MAXLONG) |
| 803 | # else |
| 804 | # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) |
| 805 | # endif |
| 806 | #endif |
| 807 | |
| 808 | #ifdef LONG_MIN |
| 809 | # define PERL_LONG_MIN ((long)LONG_MIN) |
| 810 | #else |
| 811 | # ifdef MINLONG |
| 812 | # define PERL_LONG_MIN ((long)MINLONG) |
| 813 | # else |
| 814 | # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) |
| 815 | # endif |
| 816 | #endif |
| 817 | |
| 818 | #ifdef HAS_QUAD |
| 819 | |
| 820 | # ifdef UQUAD_MAX |
| 821 | # define PERL_UQUAD_MAX ((UV)UQUAD_MAX) |
| 822 | # else |
| 823 | # define PERL_UQUAD_MAX (~(UV)0) |
| 824 | # endif |
| 825 | |
| 826 | # define PERL_UQUAD_MIN ((UV)0) |
| 827 | |
| 828 | # ifdef QUAD_MAX |
| 829 | # define PERL_QUAD_MAX ((IV)QUAD_MAX) |
| 830 | # else |
| 831 | # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) |
| 832 | # endif |
| 833 | |
| 834 | # ifdef QUAD_MIN |
| 835 | # define PERL_QUAD_MIN ((IV)QUAD_MIN) |
| 836 | # else |
| 837 | # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) |
| 838 | # endif |
| 839 | |
| 840 | #endif |
| 841 | |
| 842 | typedef MEM_SIZE STRLEN; |
| 843 | |
| 844 | typedef struct op OP; |
| 845 | typedef struct cop COP; |
| 846 | typedef struct unop UNOP; |
| 847 | typedef struct binop BINOP; |
| 848 | typedef struct listop LISTOP; |
| 849 | typedef struct logop LOGOP; |
| 850 | typedef struct condop CONDOP; |
| 851 | typedef struct pmop PMOP; |
| 852 | typedef struct svop SVOP; |
| 853 | typedef struct gvop GVOP; |
| 854 | typedef struct pvop PVOP; |
| 855 | typedef struct loop LOOP; |
| 856 | |
| 857 | typedef struct Outrec Outrec; |
| 858 | typedef struct interpreter PerlInterpreter; |
| 859 | typedef struct ff FF; |
| 860 | typedef struct sv SV; |
| 861 | typedef struct av AV; |
| 862 | typedef struct hv HV; |
| 863 | typedef struct cv CV; |
| 864 | typedef struct regexp REGEXP; |
| 865 | typedef struct gp GP; |
| 866 | typedef struct gv GV; |
| 867 | typedef struct io IO; |
| 868 | typedef struct context CONTEXT; |
| 869 | typedef struct block BLOCK; |
| 870 | |
| 871 | typedef struct magic MAGIC; |
| 872 | typedef struct xrv XRV; |
| 873 | typedef struct xpv XPV; |
| 874 | typedef struct xpviv XPVIV; |
| 875 | typedef struct xpvuv XPVUV; |
| 876 | typedef struct xpvnv XPVNV; |
| 877 | typedef struct xpvmg XPVMG; |
| 878 | typedef struct xpvlv XPVLV; |
| 879 | typedef struct xpvav XPVAV; |
| 880 | typedef struct xpvhv XPVHV; |
| 881 | typedef struct xpvgv XPVGV; |
| 882 | typedef struct xpvcv XPVCV; |
| 883 | typedef struct xpvbm XPVBM; |
| 884 | typedef struct xpvfm XPVFM; |
| 885 | typedef struct xpvio XPVIO; |
| 886 | typedef struct mgvtbl MGVTBL; |
| 887 | typedef union any ANY; |
| 888 | |
| 889 | #include "handy.h" |
| 890 | |
| 891 | typedef I32 (*filter_t) _((int, SV *, int)); |
| 892 | #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) |
| 893 | #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx]) |
| 894 | #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters)) |
| 895 | |
| 896 | #ifdef DOSISH |
| 897 | # if defined(OS2) |
| 898 | # include "os2ish.h" |
| 899 | # else |
| 900 | # include "dosish.h" |
| 901 | # endif |
| 902 | #else |
| 903 | # if defined(VMS) |
| 904 | # include "vmsish.h" |
| 905 | # else |
| 906 | # if defined(PLAN9) |
| 907 | # include "./plan9/plan9ish.h" |
| 908 | # else |
| 909 | # include "unixish.h" |
| 910 | # endif |
| 911 | # endif |
| 912 | #endif |
| 913 | |
| 914 | #ifdef VMS |
| 915 | # define STATUS_NATIVE statusvalue_vms |
| 916 | # define STATUS_NATIVE_EXPORT \ |
| 917 | ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms) |
| 918 | # define STATUS_NATIVE_SET(n) \ |
| 919 | STMT_START { \ |
| 920 | statusvalue_vms = (n); \ |
| 921 | if ((I32)statusvalue_vms == -1) \ |
| 922 | statusvalue = -1; \ |
| 923 | else if (statusvalue_vms & STS$M_SUCCESS) \ |
| 924 | statusvalue = 0; \ |
| 925 | else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \ |
| 926 | statusvalue = 1 << 8; \ |
| 927 | else \ |
| 928 | statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \ |
| 929 | } STMT_END |
| 930 | # define STATUS_POSIX statusvalue |
| 931 | # ifdef VMSISH_STATUS |
| 932 | # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX) |
| 933 | # else |
| 934 | # define STATUS_CURRENT STATUS_POSIX |
| 935 | # endif |
| 936 | # define STATUS_POSIX_SET(n) \ |
| 937 | STMT_START { \ |
| 938 | statusvalue = (n); \ |
| 939 | if (statusvalue != -1) { \ |
| 940 | statusvalue &= 0xFFFF; \ |
| 941 | statusvalue_vms = statusvalue ? 44 : 1; \ |
| 942 | } \ |
| 943 | else statusvalue_vms = -1; \ |
| 944 | } STMT_END |
| 945 | # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1) |
| 946 | # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44) |
| 947 | #else |
| 948 | # define STATUS_NATIVE STATUS_POSIX |
| 949 | # define STATUS_NATIVE_EXPORT STATUS_POSIX |
| 950 | # define STATUS_NATIVE_SET STATUS_POSIX_SET |
| 951 | # define STATUS_POSIX statusvalue |
| 952 | # define STATUS_POSIX_SET(n) \ |
| 953 | STMT_START { \ |
| 954 | statusvalue = (n); \ |
| 955 | if (statusvalue != -1) \ |
| 956 | statusvalue &= 0xFFFF; \ |
| 957 | } STMT_END |
| 958 | # define STATUS_CURRENT STATUS_POSIX |
| 959 | # define STATUS_ALL_SUCCESS (statusvalue = 0) |
| 960 | # define STATUS_ALL_FAILURE (statusvalue = 1) |
| 961 | #endif |
| 962 | |
| 963 | /* Some unistd.h's give a prototype for pause() even though |
| 964 | HAS_PAUSE ends up undefined. This causes the #define |
| 965 | below to be rejected by the compmiler. Sigh. |
| 966 | */ |
| 967 | #ifdef HAS_PAUSE |
| 968 | #define Pause pause |
| 969 | #else |
| 970 | #define Pause() sleep((32767<<16)+32767) |
| 971 | #endif |
| 972 | |
| 973 | #ifndef IOCPARM_LEN |
| 974 | # ifdef IOCPARM_MASK |
| 975 | /* on BSDish systes we're safe */ |
| 976 | # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) |
| 977 | # else |
| 978 | /* otherwise guess at what's safe */ |
| 979 | # define IOCPARM_LEN(x) 256 |
| 980 | # endif |
| 981 | #endif |
| 982 | |
| 983 | union any { |
| 984 | void* any_ptr; |
| 985 | I32 any_i32; |
| 986 | IV any_iv; |
| 987 | long any_long; |
| 988 | void (*any_dptr) _((void*)); |
| 989 | }; |
| 990 | |
| 991 | /* Work around some cygwin32 problems with importing global symbols */ |
| 992 | #if defined(CYGWIN32) && defined(DLLIMPORT) |
| 993 | # include "cw32imp.h" |
| 994 | #endif |
| 995 | |
| 996 | #include "regexp.h" |
| 997 | #include "sv.h" |
| 998 | #include "util.h" |
| 999 | #include "form.h" |
| 1000 | #include "gv.h" |
| 1001 | #include "cv.h" |
| 1002 | #include "opcode.h" |
| 1003 | #include "op.h" |
| 1004 | #include "cop.h" |
| 1005 | #include "av.h" |
| 1006 | #include "hv.h" |
| 1007 | #include "mg.h" |
| 1008 | #include "scope.h" |
| 1009 | |
| 1010 | /* work around some libPW problems */ |
| 1011 | #ifdef DOINIT |
| 1012 | EXT char Error[1]; |
| 1013 | #endif |
| 1014 | |
| 1015 | #if defined(iAPX286) || defined(M_I286) || defined(I80286) |
| 1016 | # define I286 |
| 1017 | #endif |
| 1018 | |
| 1019 | #if defined(htonl) && !defined(HAS_HTONL) |
| 1020 | #define HAS_HTONL |
| 1021 | #endif |
| 1022 | #if defined(htons) && !defined(HAS_HTONS) |
| 1023 | #define HAS_HTONS |
| 1024 | #endif |
| 1025 | #if defined(ntohl) && !defined(HAS_NTOHL) |
| 1026 | #define HAS_NTOHL |
| 1027 | #endif |
| 1028 | #if defined(ntohs) && !defined(HAS_NTOHS) |
| 1029 | #define HAS_NTOHS |
| 1030 | #endif |
| 1031 | #ifndef HAS_HTONL |
| 1032 | #if (BYTEORDER & 0xffff) != 0x4321 |
| 1033 | #define HAS_HTONS |
| 1034 | #define HAS_HTONL |
| 1035 | #define HAS_NTOHS |
| 1036 | #define HAS_NTOHL |
| 1037 | #define MYSWAP |
| 1038 | #define htons my_swap |
| 1039 | #define htonl my_htonl |
| 1040 | #define ntohs my_swap |
| 1041 | #define ntohl my_ntohl |
| 1042 | #endif |
| 1043 | #else |
| 1044 | #if (BYTEORDER & 0xffff) == 0x4321 |
| 1045 | #undef HAS_HTONS |
| 1046 | #undef HAS_HTONL |
| 1047 | #undef HAS_NTOHS |
| 1048 | #undef HAS_NTOHL |
| 1049 | #endif |
| 1050 | #endif |
| 1051 | |
| 1052 | /* |
| 1053 | * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. |
| 1054 | * -DWS |
| 1055 | */ |
| 1056 | #if BYTEORDER != 0x1234 |
| 1057 | # define HAS_VTOHL |
| 1058 | # define HAS_VTOHS |
| 1059 | # define HAS_HTOVL |
| 1060 | # define HAS_HTOVS |
| 1061 | # if BYTEORDER == 0x4321 |
| 1062 | # define vtohl(x) ((((x)&0xFF)<<24) \ |
| 1063 | +(((x)>>24)&0xFF) \ |
| 1064 | +(((x)&0x0000FF00)<<8) \ |
| 1065 | +(((x)&0x00FF0000)>>8) ) |
| 1066 | # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) |
| 1067 | # define htovl(x) vtohl(x) |
| 1068 | # define htovs(x) vtohs(x) |
| 1069 | # endif |
| 1070 | /* otherwise default to functions in util.c */ |
| 1071 | #endif |
| 1072 | |
| 1073 | #ifdef CASTNEGFLOAT |
| 1074 | #define U_S(what) ((U16)(what)) |
| 1075 | #define U_I(what) ((unsigned int)(what)) |
| 1076 | #define U_L(what) ((U32)(what)) |
| 1077 | #else |
| 1078 | # ifdef __cplusplus |
| 1079 | extern "C" { |
| 1080 | # endif |
| 1081 | U32 cast_ulong _((double)); |
| 1082 | # ifdef __cplusplus |
| 1083 | } |
| 1084 | # endif |
| 1085 | #define U_S(what) ((U16)cast_ulong((double)(what))) |
| 1086 | #define U_I(what) ((unsigned int)cast_ulong((double)(what))) |
| 1087 | #define U_L(what) (cast_ulong((double)(what))) |
| 1088 | #endif |
| 1089 | |
| 1090 | #ifdef CASTI32 |
| 1091 | #define I_32(what) ((I32)(what)) |
| 1092 | #define I_V(what) ((IV)(what)) |
| 1093 | #define U_V(what) ((UV)(what)) |
| 1094 | #else |
| 1095 | # ifdef __cplusplus |
| 1096 | extern "C" { |
| 1097 | # endif |
| 1098 | I32 cast_i32 _((double)); |
| 1099 | IV cast_iv _((double)); |
| 1100 | UV cast_uv _((double)); |
| 1101 | # ifdef __cplusplus |
| 1102 | } |
| 1103 | # endif |
| 1104 | #define I_32(what) (cast_i32((double)(what))) |
| 1105 | #define I_V(what) (cast_iv((double)(what))) |
| 1106 | #define U_V(what) (cast_uv((double)(what))) |
| 1107 | #endif |
| 1108 | |
| 1109 | struct Outrec { |
| 1110 | I32 o_lines; |
| 1111 | char *o_str; |
| 1112 | U32 o_len; |
| 1113 | }; |
| 1114 | |
| 1115 | #ifndef MAXSYSFD |
| 1116 | # define MAXSYSFD 2 |
| 1117 | #endif |
| 1118 | |
| 1119 | #ifndef TMPPATH |
| 1120 | # define TMPPATH "/tmp/perl-eXXXXXX" |
| 1121 | #endif |
| 1122 | |
| 1123 | #ifndef __cplusplus |
| 1124 | Uid_t getuid _((void)); |
| 1125 | Uid_t geteuid _((void)); |
| 1126 | Gid_t getgid _((void)); |
| 1127 | Gid_t getegid _((void)); |
| 1128 | #endif |
| 1129 | |
| 1130 | #ifdef DEBUGGING |
| 1131 | #ifndef Perl_debug_log |
| 1132 | #define Perl_debug_log PerlIO_stderr() |
| 1133 | #endif |
| 1134 | #define YYDEBUG 1 |
| 1135 | #define DEB(a) a |
| 1136 | #define DEBUG(a) if (debug) a |
| 1137 | #define DEBUG_p(a) if (debug & 1) a |
| 1138 | #define DEBUG_s(a) if (debug & 2) a |
| 1139 | #define DEBUG_l(a) if (debug & 4) a |
| 1140 | #define DEBUG_t(a) if (debug & 8) a |
| 1141 | #define DEBUG_o(a) if (debug & 16) a |
| 1142 | #define DEBUG_c(a) if (debug & 32) a |
| 1143 | #define DEBUG_P(a) if (debug & 64) a |
| 1144 | #define DEBUG_m(a) if (curinterp && debug & 128) a |
| 1145 | #define DEBUG_f(a) if (debug & 256) a |
| 1146 | #define DEBUG_r(a) if (debug & 512) a |
| 1147 | #define DEBUG_x(a) if (debug & 1024) a |
| 1148 | #define DEBUG_u(a) if (debug & 2048) a |
| 1149 | #define DEBUG_L(a) if (debug & 4096) a |
| 1150 | #define DEBUG_H(a) if (debug & 8192) a |
| 1151 | #define DEBUG_X(a) if (debug & 16384) a |
| 1152 | #define DEBUG_D(a) if (debug & 32768) a |
| 1153 | #else |
| 1154 | #define DEB(a) |
| 1155 | #define DEBUG(a) |
| 1156 | #define DEBUG_p(a) |
| 1157 | #define DEBUG_s(a) |
| 1158 | #define DEBUG_l(a) |
| 1159 | #define DEBUG_t(a) |
| 1160 | #define DEBUG_o(a) |
| 1161 | #define DEBUG_c(a) |
| 1162 | #define DEBUG_P(a) |
| 1163 | #define DEBUG_m(a) |
| 1164 | #define DEBUG_f(a) |
| 1165 | #define DEBUG_r(a) |
| 1166 | #define DEBUG_x(a) |
| 1167 | #define DEBUG_u(a) |
| 1168 | #define DEBUG_L(a) |
| 1169 | #define DEBUG_H(a) |
| 1170 | #define DEBUG_X(a) |
| 1171 | #define DEBUG_D(a) |
| 1172 | #endif |
| 1173 | #define YYMAXDEPTH 300 |
| 1174 | |
| 1175 | #ifndef assert /* <assert.h> might have been included somehow */ |
| 1176 | #define assert(what) DEB( { \ |
| 1177 | if (!(what)) { \ |
| 1178 | croak("Assertion failed: file \"%s\", line %d", \ |
| 1179 | __FILE__, __LINE__); \ |
| 1180 | exit(1); \ |
| 1181 | }}) |
| 1182 | #endif |
| 1183 | |
| 1184 | struct ufuncs { |
| 1185 | I32 (*uf_val)_((IV, SV*)); |
| 1186 | I32 (*uf_set)_((IV, SV*)); |
| 1187 | IV uf_index; |
| 1188 | }; |
| 1189 | |
| 1190 | /* Fix these up for __STDC__ */ |
| 1191 | #ifndef DONT_DECLARE_STD |
| 1192 | char *mktemp _((char*)); |
| 1193 | double atof _((const char*)); |
| 1194 | #endif |
| 1195 | |
| 1196 | #ifndef STANDARD_C |
| 1197 | /* All of these are in stdlib.h or time.h for ANSI C */ |
| 1198 | Time_t time(); |
| 1199 | struct tm *gmtime(), *localtime(); |
| 1200 | char *strchr(), *strrchr(); |
| 1201 | char *strcpy(), *strcat(); |
| 1202 | #endif /* ! STANDARD_C */ |
| 1203 | |
| 1204 | |
| 1205 | #ifdef I_MATH |
| 1206 | # include <math.h> |
| 1207 | #else |
| 1208 | # ifdef __cplusplus |
| 1209 | extern "C" { |
| 1210 | # endif |
| 1211 | double exp _((double)); |
| 1212 | double log _((double)); |
| 1213 | double sqrt _((double)); |
| 1214 | double modf _((double,double*)); |
| 1215 | double sin _((double)); |
| 1216 | double cos _((double)); |
| 1217 | double atan2 _((double,double)); |
| 1218 | double pow _((double,double)); |
| 1219 | # ifdef __cplusplus |
| 1220 | }; |
| 1221 | # endif |
| 1222 | #endif |
| 1223 | |
| 1224 | #ifndef __cplusplus |
| 1225 | #ifdef __NeXT__ /* or whatever catches all NeXTs */ |
| 1226 | char *crypt (); /* Maybe more hosts will need the unprototyped version */ |
| 1227 | #else |
| 1228 | char *crypt _((const char*, const char*)); |
| 1229 | #endif |
| 1230 | #ifndef DONT_DECLARE_STD |
| 1231 | #ifndef getenv |
| 1232 | char *getenv _((const char*)); |
| 1233 | #endif |
| 1234 | Off_t lseek _((int,Off_t,int)); |
| 1235 | #endif |
| 1236 | char *getlogin _((void)); |
| 1237 | #endif |
| 1238 | |
| 1239 | #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ |
| 1240 | #define UNLINK unlnk |
| 1241 | I32 unlnk _((char*)); |
| 1242 | #else |
| 1243 | #define UNLINK unlink |
| 1244 | #endif |
| 1245 | |
| 1246 | #ifndef HAS_SETREUID |
| 1247 | # ifdef HAS_SETRESUID |
| 1248 | # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) |
| 1249 | # define HAS_SETREUID |
| 1250 | # endif |
| 1251 | #endif |
| 1252 | #ifndef HAS_SETREGID |
| 1253 | # ifdef HAS_SETRESGID |
| 1254 | # define setregid(r,e) setresgid(r,e,(Gid_t)-1) |
| 1255 | # define HAS_SETREGID |
| 1256 | # endif |
| 1257 | #endif |
| 1258 | |
| 1259 | typedef Signal_t (*Sighandler_t) _((int)); |
| 1260 | |
| 1261 | #ifdef HAS_SIGACTION |
| 1262 | typedef struct sigaction Sigsave_t; |
| 1263 | #else |
| 1264 | typedef Sighandler_t Sigsave_t; |
| 1265 | #endif |
| 1266 | |
| 1267 | #define SCAN_DEF 0 |
| 1268 | #define SCAN_TR 1 |
| 1269 | #define SCAN_REPL 2 |
| 1270 | |
| 1271 | #ifdef DEBUGGING |
| 1272 | # ifndef register |
| 1273 | # define register |
| 1274 | # endif |
| 1275 | # ifdef MYMALLOC |
| 1276 | # ifndef DEBUGGING_MSTATS |
| 1277 | # define DEBUGGING_MSTATS |
| 1278 | # endif |
| 1279 | # endif |
| 1280 | # define PAD_SV(po) pad_sv(po) |
| 1281 | #else |
| 1282 | # define PAD_SV(po) curpad[po] |
| 1283 | #endif |
| 1284 | |
| 1285 | /****************/ |
| 1286 | /* Truly global */ |
| 1287 | /****************/ |
| 1288 | |
| 1289 | /* global state */ |
| 1290 | EXT PerlInterpreter * curinterp; /* currently running interpreter */ |
| 1291 | /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */ |
| 1292 | #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__)) |
| 1293 | #ifndef DONT_DECLARE_STD |
| 1294 | extern char ** environ; /* environment variables supplied via exec */ |
| 1295 | #endif |
| 1296 | #else |
| 1297 | # if defined(NeXT) && defined(__DYNAMIC__) |
| 1298 | |
| 1299 | # include <mach-o/dyld.h> |
| 1300 | EXT char *** environ_pointer; |
| 1301 | # define environ (*environ_pointer) |
| 1302 | # endif |
| 1303 | #endif /* environ processing */ |
| 1304 | |
| 1305 | EXT int uid; /* current real user id */ |
| 1306 | EXT int euid; /* current effective user id */ |
| 1307 | EXT int gid; /* current real group id */ |
| 1308 | EXT int egid; /* current effective group id */ |
| 1309 | EXT bool nomemok; /* let malloc context handle nomem */ |
| 1310 | EXT U32 an; /* malloc sequence number */ |
| 1311 | EXT U32 cop_seqmax; /* statement sequence number */ |
| 1312 | EXT U16 op_seqmax; /* op sequence number */ |
| 1313 | EXT U32 evalseq; /* eval sequence number */ |
| 1314 | EXT U32 sub_generation; /* inc to force methods to be looked up again */ |
| 1315 | EXT char ** origenviron; |
| 1316 | EXT U32 origalen; |
| 1317 | EXT HV * pidstatus; /* pid-to-status mappings for waitpid */ |
| 1318 | EXT U32 * profiledata; |
| 1319 | EXT int maxo INIT(MAXO);/* Number of ops */ |
| 1320 | EXT char * osname; /* operating system */ |
| 1321 | EXT char * sh_path INIT(SH_PATH); /* full path of shell */ |
| 1322 | |
| 1323 | EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */ |
| 1324 | EXT IV ** xiv_root; /* free xiv list--shared by interpreters */ |
| 1325 | EXT double * xnv_root; /* free xnv list--shared by interpreters */ |
| 1326 | EXT XRV * xrv_root; /* free xrv list--shared by interpreters */ |
| 1327 | EXT XPV * xpv_root; /* free xpv list--shared by interpreters */ |
| 1328 | EXT HE * he_root; /* free he list--shared by interpreters */ |
| 1329 | EXT char * nice_chunk; /* a nice chunk of memory to reuse */ |
| 1330 | EXT U32 nice_chunk_size;/* how nice the chunk of memory is */ |
| 1331 | |
| 1332 | /* Stack for currently executing thread--context switch must handle this. */ |
| 1333 | EXT SV ** stack_base; /* stack->array_ary */ |
| 1334 | EXT SV ** stack_sp; /* stack pointer now */ |
| 1335 | EXT SV ** stack_max; /* stack->array_ary + stack->array_max */ |
| 1336 | |
| 1337 | /* likewise for these */ |
| 1338 | |
| 1339 | EXT OP * op; /* current op--oughta be in a global register */ |
| 1340 | |
| 1341 | EXT I32 * scopestack; /* blocks we've entered */ |
| 1342 | EXT I32 scopestack_ix; |
| 1343 | EXT I32 scopestack_max; |
| 1344 | |
| 1345 | EXT ANY* savestack; /* to save non-local values on */ |
| 1346 | EXT I32 savestack_ix; |
| 1347 | EXT I32 savestack_max; |
| 1348 | |
| 1349 | EXT OP ** retstack; /* returns we've pushed */ |
| 1350 | EXT I32 retstack_ix; |
| 1351 | EXT I32 retstack_max; |
| 1352 | |
| 1353 | EXT I32 * markstack; /* stackmarks we're remembering */ |
| 1354 | EXT I32 * markstack_ptr; /* stackmarks we're remembering */ |
| 1355 | EXT I32 * markstack_max; /* stackmarks we're remembering */ |
| 1356 | |
| 1357 | EXT SV ** curpad; |
| 1358 | |
| 1359 | /* temp space */ |
| 1360 | EXT SV * Sv; |
| 1361 | EXT XPV * Xpv; |
| 1362 | EXT char tokenbuf[256]; |
| 1363 | EXT struct stat statbuf; |
| 1364 | #ifdef HAS_TIMES |
| 1365 | EXT struct tms timesbuf; |
| 1366 | #endif |
| 1367 | EXT STRLEN na; /* for use in SvPV when length is Not Applicable */ |
| 1368 | |
| 1369 | /* for tmp use in stupid debuggers */ |
| 1370 | EXT int * di; |
| 1371 | EXT short * ds; |
| 1372 | EXT char * dc; |
| 1373 | |
| 1374 | /* handy constants */ |
| 1375 | EXTCONST char * Yes INIT("1"); |
| 1376 | EXTCONST char * No INIT(""); |
| 1377 | EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx"); |
| 1378 | EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}"); |
| 1379 | EXTCONST char * vert INIT("|"); |
| 1380 | |
| 1381 | EXTCONST char warn_uninit[] |
| 1382 | INIT("Use of uninitialized value"); |
| 1383 | EXTCONST char warn_nosemi[] |
| 1384 | INIT("Semicolon seems to be missing"); |
| 1385 | EXTCONST char warn_reserved[] |
| 1386 | INIT("Unquoted string \"%s\" may clash with future reserved word"); |
| 1387 | EXTCONST char warn_nl[] |
| 1388 | INIT("Unsuccessful %s on filename containing newline"); |
| 1389 | EXTCONST char no_wrongref[] |
| 1390 | INIT("Can't use %s ref as %s ref"); |
| 1391 | EXTCONST char no_symref[] |
| 1392 | INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); |
| 1393 | EXTCONST char no_usym[] |
| 1394 | INIT("Can't use an undefined value as %s reference"); |
| 1395 | EXTCONST char no_aelem[] |
| 1396 | INIT("Modification of non-creatable array value attempted, subscript %d"); |
| 1397 | EXTCONST char no_helem[] |
| 1398 | INIT("Modification of non-creatable hash value attempted, subscript \"%s\""); |
| 1399 | EXTCONST char no_modify[] |
| 1400 | INIT("Modification of a read-only value attempted"); |
| 1401 | EXTCONST char no_mem[] |
| 1402 | INIT("Out of memory!\n"); |
| 1403 | EXTCONST char no_security[] |
| 1404 | INIT("Insecure dependency in %s%s"); |
| 1405 | EXTCONST char no_sock_func[] |
| 1406 | INIT("Unsupported socket function \"%s\" called"); |
| 1407 | EXTCONST char no_dir_func[] |
| 1408 | INIT("Unsupported directory function \"%s\" called"); |
| 1409 | EXTCONST char no_func[] |
| 1410 | INIT("The %s function is unimplemented"); |
| 1411 | EXTCONST char no_myglob[] |
| 1412 | INIT("\"my\" variable %s can't be in a package"); |
| 1413 | |
| 1414 | EXT SV sv_undef; |
| 1415 | EXT SV sv_no; |
| 1416 | EXT SV sv_yes; |
| 1417 | #ifdef CSH |
| 1418 | EXT char * cshname INIT(CSH); |
| 1419 | EXT I32 cshlen; |
| 1420 | #endif |
| 1421 | |
| 1422 | #ifdef DOINIT |
| 1423 | EXT char *sig_name[] = { SIG_NAME }; |
| 1424 | EXT int sig_num[] = { SIG_NUM }; |
| 1425 | EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)]; |
| 1426 | EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)]; |
| 1427 | #else |
| 1428 | EXT char *sig_name[]; |
| 1429 | EXT int sig_num[]; |
| 1430 | EXT SV * psig_ptr[]; |
| 1431 | EXT SV * psig_name[]; |
| 1432 | #endif |
| 1433 | |
| 1434 | /* fast case folding tables */ |
| 1435 | |
| 1436 | #ifdef DOINIT |
| 1437 | EXTCONST unsigned char fold[] = { |
| 1438 | 0, 1, 2, 3, 4, 5, 6, 7, |
| 1439 | 8, 9, 10, 11, 12, 13, 14, 15, |
| 1440 | 16, 17, 18, 19, 20, 21, 22, 23, |
| 1441 | 24, 25, 26, 27, 28, 29, 30, 31, |
| 1442 | 32, 33, 34, 35, 36, 37, 38, 39, |
| 1443 | 40, 41, 42, 43, 44, 45, 46, 47, |
| 1444 | 48, 49, 50, 51, 52, 53, 54, 55, |
| 1445 | 56, 57, 58, 59, 60, 61, 62, 63, |
| 1446 | 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', |
| 1447 | 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', |
| 1448 | 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', |
| 1449 | 'x', 'y', 'z', 91, 92, 93, 94, 95, |
| 1450 | 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', |
| 1451 | 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', |
| 1452 | 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', |
| 1453 | 'X', 'Y', 'Z', 123, 124, 125, 126, 127, |
| 1454 | 128, 129, 130, 131, 132, 133, 134, 135, |
| 1455 | 136, 137, 138, 139, 140, 141, 142, 143, |
| 1456 | 144, 145, 146, 147, 148, 149, 150, 151, |
| 1457 | 152, 153, 154, 155, 156, 157, 158, 159, |
| 1458 | 160, 161, 162, 163, 164, 165, 166, 167, |
| 1459 | 168, 169, 170, 171, 172, 173, 174, 175, |
| 1460 | 176, 177, 178, 179, 180, 181, 182, 183, |
| 1461 | 184, 185, 186, 187, 188, 189, 190, 191, |
| 1462 | 192, 193, 194, 195, 196, 197, 198, 199, |
| 1463 | 200, 201, 202, 203, 204, 205, 206, 207, |
| 1464 | 208, 209, 210, 211, 212, 213, 214, 215, |
| 1465 | 216, 217, 218, 219, 220, 221, 222, 223, |
| 1466 | 224, 225, 226, 227, 228, 229, 230, 231, |
| 1467 | 232, 233, 234, 235, 236, 237, 238, 239, |
| 1468 | 240, 241, 242, 243, 244, 245, 246, 247, |
| 1469 | 248, 249, 250, 251, 252, 253, 254, 255 |
| 1470 | }; |
| 1471 | #else |
| 1472 | EXTCONST unsigned char fold[]; |
| 1473 | #endif |
| 1474 | |
| 1475 | #ifdef DOINIT |
| 1476 | EXT unsigned char fold_locale[] = { |
| 1477 | 0, 1, 2, 3, 4, 5, 6, 7, |
| 1478 | 8, 9, 10, 11, 12, 13, 14, 15, |
| 1479 | 16, 17, 18, 19, 20, 21, 22, 23, |
| 1480 | 24, 25, 26, 27, 28, 29, 30, 31, |
| 1481 | 32, 33, 34, 35, 36, 37, 38, 39, |
| 1482 | 40, 41, 42, 43, 44, 45, 46, 47, |
| 1483 | 48, 49, 50, 51, 52, 53, 54, 55, |
| 1484 | 56, 57, 58, 59, 60, 61, 62, 63, |
| 1485 | 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', |
| 1486 | 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', |
| 1487 | 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', |
| 1488 | 'x', 'y', 'z', 91, 92, 93, 94, 95, |
| 1489 | 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', |
| 1490 | 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', |
| 1491 | 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', |
| 1492 | 'X', 'Y', 'Z', 123, 124, 125, 126, 127, |
| 1493 | 128, 129, 130, 131, 132, 133, 134, 135, |
| 1494 | 136, 137, 138, 139, 140, 141, 142, 143, |
| 1495 | 144, 145, 146, 147, 148, 149, 150, 151, |
| 1496 | 152, 153, 154, 155, 156, 157, 158, 159, |
| 1497 | 160, 161, 162, 163, 164, 165, 166, 167, |
| 1498 | 168, 169, 170, 171, 172, 173, 174, 175, |
| 1499 | 176, 177, 178, 179, 180, 181, 182, 183, |
| 1500 | 184, 185, 186, 187, 188, 189, 190, 191, |
| 1501 | 192, 193, 194, 195, 196, 197, 198, 199, |
| 1502 | 200, 201, 202, 203, 204, 205, 206, 207, |
| 1503 | 208, 209, 210, 211, 212, 213, 214, 215, |
| 1504 | 216, 217, 218, 219, 220, 221, 222, 223, |
| 1505 | 224, 225, 226, 227, 228, 229, 230, 231, |
| 1506 | 232, 233, 234, 235, 236, 237, 238, 239, |
| 1507 | 240, 241, 242, 243, 244, 245, 246, 247, |
| 1508 | 248, 249, 250, 251, 252, 253, 254, 255 |
| 1509 | }; |
| 1510 | #else |
| 1511 | EXT unsigned char fold_locale[]; |
| 1512 | #endif |
| 1513 | |
| 1514 | #ifdef DOINIT |
| 1515 | EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */ |
| 1516 | 1, 2, 84, 151, 154, 155, 156, 157, |
| 1517 | 165, 246, 250, 3, 158, 7, 18, 29, |
| 1518 | 40, 51, 62, 73, 85, 96, 107, 118, |
| 1519 | 129, 140, 147, 148, 149, 150, 152, 153, |
| 1520 | 255, 182, 224, 205, 174, 176, 180, 217, |
| 1521 | 233, 232, 236, 187, 235, 228, 234, 226, |
| 1522 | 222, 219, 211, 195, 188, 193, 185, 184, |
| 1523 | 191, 183, 201, 229, 181, 220, 194, 162, |
| 1524 | 163, 208, 186, 202, 200, 218, 198, 179, |
| 1525 | 178, 214, 166, 170, 207, 199, 209, 206, |
| 1526 | 204, 160, 212, 216, 215, 192, 175, 173, |
| 1527 | 243, 172, 161, 190, 203, 189, 164, 230, |
| 1528 | 167, 248, 227, 244, 242, 255, 241, 231, |
| 1529 | 240, 253, 169, 210, 245, 237, 249, 247, |
| 1530 | 239, 168, 252, 251, 254, 238, 223, 221, |
| 1531 | 213, 225, 177, 197, 171, 196, 159, 4, |
| 1532 | 5, 6, 8, 9, 10, 11, 12, 13, |
| 1533 | 14, 15, 16, 17, 19, 20, 21, 22, |
| 1534 | 23, 24, 25, 26, 27, 28, 30, 31, |
| 1535 | 32, 33, 34, 35, 36, 37, 38, 39, |
| 1536 | 41, 42, 43, 44, 45, 46, 47, 48, |
| 1537 | 49, 50, 52, 53, 54, 55, 56, 57, |
| 1538 | 58, 59, 60, 61, 63, 64, 65, 66, |
| 1539 | 67, 68, 69, 70, 71, 72, 74, 75, |
| 1540 | 76, 77, 78, 79, 80, 81, 82, 83, |
| 1541 | 86, 87, 88, 89, 90, 91, 92, 93, |
| 1542 | 94, 95, 97, 98, 99, 100, 101, 102, |
| 1543 | 103, 104, 105, 106, 108, 109, 110, 111, |
| 1544 | 112, 113, 114, 115, 116, 117, 119, 120, |
| 1545 | 121, 122, 123, 124, 125, 126, 127, 128, |
| 1546 | 130, 131, 132, 133, 134, 135, 136, 137, |
| 1547 | 138, 139, 141, 142, 143, 144, 145, 146 |
| 1548 | }; |
| 1549 | #else |
| 1550 | EXTCONST unsigned char freq[]; |
| 1551 | #endif |
| 1552 | |
| 1553 | #ifdef DEBUGGING |
| 1554 | #ifdef DOINIT |
| 1555 | EXTCONST char* block_type[] = { |
| 1556 | "NULL", |
| 1557 | "SUB", |
| 1558 | "EVAL", |
| 1559 | "LOOP", |
| 1560 | "SUBST", |
| 1561 | "BLOCK", |
| 1562 | }; |
| 1563 | #else |
| 1564 | EXTCONST char* block_type[]; |
| 1565 | #endif |
| 1566 | #endif |
| 1567 | |
| 1568 | /*****************************************************************************/ |
| 1569 | /* This lexer/parser stuff is currently global since yacc is hard to reenter */ |
| 1570 | /*****************************************************************************/ |
| 1571 | /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ |
| 1572 | |
| 1573 | #include "perly.h" |
| 1574 | |
| 1575 | typedef enum { |
| 1576 | XOPERATOR, |
| 1577 | XTERM, |
| 1578 | XREF, |
| 1579 | XSTATE, |
| 1580 | XBLOCK, |
| 1581 | XTERMBLOCK |
| 1582 | } expectation; |
| 1583 | |
| 1584 | EXT U32 lex_state; /* next token is determined */ |
| 1585 | EXT U32 lex_defer; /* state after determined token */ |
| 1586 | EXT expectation lex_expect; /* expect after determined token */ |
| 1587 | EXT I32 lex_brackets; /* bracket count */ |
| 1588 | EXT I32 lex_formbrack; /* bracket count at outer format level */ |
| 1589 | EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */ |
| 1590 | EXT I32 lex_casemods; /* casemod count */ |
| 1591 | EXT I32 lex_dojoin; /* doing an array interpolation */ |
| 1592 | EXT I32 lex_starts; /* how many interps done on level */ |
| 1593 | EXT SV * lex_stuff; /* runtime pattern from m// or s/// */ |
| 1594 | EXT SV * lex_repl; /* runtime replacement from s/// */ |
| 1595 | EXT OP * lex_op; /* extra info to pass back on op */ |
| 1596 | EXT OP * lex_inpat; /* in pattern $) and $| are special */ |
| 1597 | EXT I32 lex_inwhat; /* what kind of quoting are we in */ |
| 1598 | EXT char * lex_brackstack; /* what kind of brackets to pop */ |
| 1599 | EXT char * lex_casestack; /* what kind of case mods in effect */ |
| 1600 | |
| 1601 | /* What we know when we're in LEX_KNOWNEXT state. */ |
| 1602 | EXT YYSTYPE nextval[5]; /* value of next token, if any */ |
| 1603 | EXT I32 nexttype[5]; /* type of next token */ |
| 1604 | EXT I32 nexttoke; |
| 1605 | |
| 1606 | EXT PerlIO * VOL rsfp INIT(Nullfp); |
| 1607 | EXT SV * linestr; |
| 1608 | EXT char * bufptr; |
| 1609 | EXT char * oldbufptr; |
| 1610 | EXT char * oldoldbufptr; |
| 1611 | EXT char * bufend; |
| 1612 | EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */ |
| 1613 | EXT AV * rsfp_filters; |
| 1614 | |
| 1615 | EXT I32 multi_start; /* 1st line of multi-line string */ |
| 1616 | EXT I32 multi_end; /* last line of multi-line string */ |
| 1617 | EXT I32 multi_open; /* delimiter of said string */ |
| 1618 | EXT I32 multi_close; /* delimiter of said string */ |
| 1619 | |
| 1620 | EXT GV * scrgv; |
| 1621 | EXT I32 error_count; /* how many errors so far, max 10 */ |
| 1622 | EXT I32 subline; /* line this subroutine began on */ |
| 1623 | EXT SV * subname; /* name of current subroutine */ |
| 1624 | |
| 1625 | EXT CV * compcv; /* currently compiling subroutine */ |
| 1626 | EXT AV * comppad; /* storage for lexically scoped temporaries */ |
| 1627 | EXT AV * comppad_name; /* variable names for "my" variables */ |
| 1628 | EXT I32 comppad_name_fill;/* last "introduced" variable offset */ |
| 1629 | EXT I32 comppad_name_floor;/* start of vars in innermost block */ |
| 1630 | EXT I32 min_intro_pending;/* start of vars to introduce */ |
| 1631 | EXT I32 max_intro_pending;/* end of vars to introduce */ |
| 1632 | EXT I32 padix; /* max used index in current "register" pad */ |
| 1633 | EXT I32 padix_floor; /* how low may inner block reset padix */ |
| 1634 | EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */ |
| 1635 | EXT COP compiling; |
| 1636 | |
| 1637 | EXT I32 thisexpr; /* name id for nothing_in_common() */ |
| 1638 | EXT char * last_uni; /* position of last named-unary operator */ |
| 1639 | EXT char * last_lop; /* position of last list operator */ |
| 1640 | EXT OPCODE last_lop_op; /* last list operator */ |
| 1641 | EXT bool in_my; /* we're compiling a "my" declaration */ |
| 1642 | #ifdef FCRYPT |
| 1643 | EXT I32 cryptseen; /* has fast crypt() been initialized? */ |
| 1644 | #endif |
| 1645 | |
| 1646 | EXT U32 hints; /* various compilation flags */ |
| 1647 | |
| 1648 | /* Note: the lowest 8 bits are reserved for |
| 1649 | stuffing into op->op_private */ |
| 1650 | #define HINT_INTEGER 0x00000001 |
| 1651 | #define HINT_STRICT_REFS 0x00000002 |
| 1652 | |
| 1653 | #define HINT_BLOCK_SCOPE 0x00000100 |
| 1654 | #define HINT_STRICT_SUBS 0x00000200 |
| 1655 | #define HINT_STRICT_VARS 0x00000400 |
| 1656 | #define HINT_LOCALE 0x00000800 |
| 1657 | |
| 1658 | /**************************************************************************/ |
| 1659 | /* This regexp stuff is global since it always happens within 1 expr eval */ |
| 1660 | /**************************************************************************/ |
| 1661 | |
| 1662 | EXT char * regprecomp; /* uncompiled string. */ |
| 1663 | EXT char * regparse; /* Input-scan pointer. */ |
| 1664 | EXT char * regxend; /* End of input for compile */ |
| 1665 | EXT I32 regnpar; /* () count. */ |
| 1666 | EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */ |
| 1667 | EXT I32 regsize; /* Code size. */ |
| 1668 | EXT I32 regnaughty; /* How bad is this pattern? */ |
| 1669 | EXT I32 regsawback; /* Did we see \1, ...? */ |
| 1670 | |
| 1671 | EXT char * reginput; /* String-input pointer. */ |
| 1672 | EXT char * regbol; /* Beginning of input, for ^ check. */ |
| 1673 | EXT char * regeol; /* End of input, for $ check. */ |
| 1674 | EXT char ** regstartp; /* Pointer to startp array. */ |
| 1675 | EXT char ** regendp; /* Ditto for endp. */ |
| 1676 | EXT U32 * reglastparen; /* Similarly for lastparen. */ |
| 1677 | EXT char * regtill; /* How far we are required to go. */ |
| 1678 | EXT U16 regflags; /* are we folding, multilining? */ |
| 1679 | EXT char regprev; /* char before regbol, \n if none */ |
| 1680 | |
| 1681 | EXT bool do_undump; /* -u or dump seen? */ |
| 1682 | EXT VOL U32 debug; |
| 1683 | |
| 1684 | /***********************************************/ |
| 1685 | /* Global only to current interpreter instance */ |
| 1686 | /***********************************************/ |
| 1687 | |
| 1688 | #ifdef MULTIPLICITY |
| 1689 | #define IEXT |
| 1690 | #define IINIT(x) |
| 1691 | struct interpreter { |
| 1692 | #else |
| 1693 | #define IEXT EXT |
| 1694 | #define IINIT(x) INIT(x) |
| 1695 | #endif |
| 1696 | |
| 1697 | /* pseudo environmental stuff */ |
| 1698 | IEXT int Iorigargc; |
| 1699 | IEXT char ** Iorigargv; |
| 1700 | IEXT GV * Ienvgv; |
| 1701 | IEXT GV * Isiggv; |
| 1702 | IEXT GV * Iincgv; |
| 1703 | IEXT char * Iorigfilename; |
| 1704 | IEXT SV * Idiehook; |
| 1705 | IEXT SV * Iwarnhook; |
| 1706 | IEXT SV * Iparsehook; |
| 1707 | |
| 1708 | /* Various states of an input record separator SV (rs, nrs) */ |
| 1709 | #define RsSNARF(sv) (! SvOK(sv)) |
| 1710 | #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv)) |
| 1711 | #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv)) |
| 1712 | |
| 1713 | /* switches */ |
| 1714 | IEXT char * Icddir; |
| 1715 | IEXT bool Iminus_c; |
| 1716 | IEXT char Ipatchlevel[10]; |
| 1717 | IEXT char ** Ilocalpatches; |
| 1718 | IEXT SV * Inrs; |
| 1719 | IEXT char * Isplitstr IINIT(" "); |
| 1720 | IEXT bool Ipreprocess; |
| 1721 | IEXT bool Iminus_n; |
| 1722 | IEXT bool Iminus_p; |
| 1723 | IEXT bool Iminus_l; |
| 1724 | IEXT bool Iminus_a; |
| 1725 | IEXT bool Iminus_F; |
| 1726 | IEXT bool Idoswitches; |
| 1727 | IEXT bool Idowarn; |
| 1728 | IEXT bool Idoextract; |
| 1729 | IEXT bool Isawampersand; /* must save all match strings */ |
| 1730 | IEXT bool Isawstudy; /* do fbm_instr on all strings */ |
| 1731 | IEXT bool Isawvec; |
| 1732 | IEXT bool Iunsafe; |
| 1733 | IEXT char * Iinplace; |
| 1734 | IEXT char * Ie_tmpname; |
| 1735 | IEXT PerlIO * Ie_fp; |
| 1736 | IEXT U32 Iperldb; |
| 1737 | /* This value may be raised by extensions for testing purposes */ |
| 1738 | IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */ |
| 1739 | |
| 1740 | /* magical thingies */ |
| 1741 | IEXT Time_t Ibasetime; /* $^T */ |
| 1742 | IEXT SV * Iformfeed; /* $^L */ |
| 1743 | IEXT char * Ichopset IINIT(" \n-"); /* $: */ |
| 1744 | IEXT SV * Irs; /* $/ */ |
| 1745 | IEXT char * Iofs; /* $, */ |
| 1746 | IEXT STRLEN Iofslen; |
| 1747 | IEXT char * Iors; /* $\ */ |
| 1748 | IEXT STRLEN Iorslen; |
| 1749 | IEXT char * Iofmt; /* $# */ |
| 1750 | IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */ |
| 1751 | IEXT int Imultiline; /* $*--do strings hold >1 line? */ |
| 1752 | IEXT I32 Istatusvalue; /* $? */ |
| 1753 | #ifdef VMS |
| 1754 | IEXT U32 Istatusvalue_vms; |
| 1755 | #endif |
| 1756 | |
| 1757 | IEXT struct stat Istatcache; /* _ */ |
| 1758 | IEXT GV * Istatgv; |
| 1759 | IEXT SV * Istatname IINIT(Nullsv); |
| 1760 | |
| 1761 | /* shortcuts to various I/O objects */ |
| 1762 | IEXT GV * Istdingv; |
| 1763 | IEXT GV * Ilast_in_gv; |
| 1764 | IEXT GV * Idefgv; |
| 1765 | IEXT GV * Iargvgv; |
| 1766 | IEXT GV * Idefoutgv; |
| 1767 | IEXT GV * Iargvoutgv; |
| 1768 | |
| 1769 | /* shortcuts to regexp stuff */ |
| 1770 | IEXT GV * Ileftgv; |
| 1771 | IEXT GV * Iampergv; |
| 1772 | IEXT GV * Irightgv; |
| 1773 | IEXT PMOP * Icurpm; /* what to do \ interps from */ |
| 1774 | IEXT I32 * Iscreamfirst; |
| 1775 | IEXT I32 * Iscreamnext; |
| 1776 | IEXT I32 Imaxscream IINIT(-1); |
| 1777 | IEXT SV * Ilastscream; |
| 1778 | |
| 1779 | /* shortcuts to misc objects */ |
| 1780 | IEXT GV * Ierrgv; |
| 1781 | |
| 1782 | /* shortcuts to debugging objects */ |
| 1783 | IEXT GV * IDBgv; |
| 1784 | IEXT GV * IDBline; |
| 1785 | IEXT GV * IDBsub; |
| 1786 | IEXT SV * IDBsingle; |
| 1787 | IEXT SV * IDBtrace; |
| 1788 | IEXT SV * IDBsignal; |
| 1789 | IEXT AV * Ilineary; /* lines of script for debugger */ |
| 1790 | IEXT AV * Idbargs; /* args to call listed by caller function */ |
| 1791 | |
| 1792 | /* symbol tables */ |
| 1793 | IEXT HV * Idefstash; /* main symbol table */ |
| 1794 | IEXT HV * Icurstash; /* symbol table for current package */ |
| 1795 | IEXT HV * Idebstash; /* symbol table for perldb package */ |
| 1796 | IEXT SV * Icurstname; /* name of current package */ |
| 1797 | IEXT AV * Ibeginav; /* names of BEGIN subroutines */ |
| 1798 | IEXT AV * Iendav; /* names of END subroutines */ |
| 1799 | IEXT HV * Istrtab; /* shared string table */ |
| 1800 | |
| 1801 | /* memory management */ |
| 1802 | IEXT SV ** Itmps_stack; |
| 1803 | IEXT I32 Itmps_ix IINIT(-1); |
| 1804 | IEXT I32 Itmps_floor IINIT(-1); |
| 1805 | IEXT I32 Itmps_max; |
| 1806 | IEXT I32 Isv_count; /* how many SV* are currently allocated */ |
| 1807 | IEXT I32 Isv_objcount; /* how many objects are currently allocated */ |
| 1808 | IEXT SV* Isv_root; /* storage for SVs belonging to interp */ |
| 1809 | IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */ |
| 1810 | |
| 1811 | /* funky return mechanisms */ |
| 1812 | IEXT I32 Ilastspbase; |
| 1813 | IEXT I32 Ilastsize; |
| 1814 | IEXT int Iforkprocess; /* so do_open |- can return proc# */ |
| 1815 | |
| 1816 | /* subprocess state */ |
| 1817 | IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */ |
| 1818 | |
| 1819 | /* internal state */ |
| 1820 | IEXT VOL int Iin_eval; /* trap "fatal" errors? */ |
| 1821 | IEXT OP * Irestartop; /* Are we propagating an error from croak? */ |
| 1822 | IEXT int Idelaymagic; /* ($<,$>) = ... */ |
| 1823 | IEXT bool Idirty; /* In the middle of tearing things down? */ |
| 1824 | IEXT U8 Ilocalizing; /* are we processing a local() list? */ |
| 1825 | IEXT bool Itainted; /* using variables controlled by $< */ |
| 1826 | IEXT bool Itainting; /* doing taint checks */ |
| 1827 | IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */ |
| 1828 | |
| 1829 | /* trace state */ |
| 1830 | IEXT I32 Idlevel; |
| 1831 | IEXT I32 Idlmax IINIT(128); |
| 1832 | IEXT char * Idebname; |
| 1833 | IEXT char * Idebdelim; |
| 1834 | |
| 1835 | /* current interpreter roots */ |
| 1836 | IEXT CV * Imain_cv; |
| 1837 | IEXT OP * Imain_root; |
| 1838 | IEXT OP * Imain_start; |
| 1839 | IEXT OP * Ieval_root; |
| 1840 | IEXT OP * Ieval_start; |
| 1841 | |
| 1842 | /* runtime control stuff */ |
| 1843 | IEXT COP * VOL Icurcop IINIT(&compiling); |
| 1844 | IEXT COP * Icurcopdb IINIT(NULL); |
| 1845 | IEXT line_t Icopline IINIT(NOLINE); |
| 1846 | IEXT CONTEXT * Icxstack; |
| 1847 | IEXT I32 Icxstack_ix IINIT(-1); |
| 1848 | IEXT I32 Icxstack_max IINIT(128); |
| 1849 | IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */ |
| 1850 | IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */ |
| 1851 | IEXT I32 Irunlevel; |
| 1852 | |
| 1853 | /* stack stuff */ |
| 1854 | IEXT AV * Icurstack; /* THE STACK */ |
| 1855 | IEXT AV * Imainstack; /* the stack when nothing funny is happening */ |
| 1856 | IEXT SV ** Imystack_base; /* stack->array_ary */ |
| 1857 | IEXT SV ** Imystack_sp; /* stack pointer now */ |
| 1858 | IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */ |
| 1859 | |
| 1860 | /* format accumulators */ |
| 1861 | IEXT SV * Iformtarget; |
| 1862 | IEXT SV * Ibodytarget; |
| 1863 | IEXT SV * Itoptarget; |
| 1864 | |
| 1865 | /* statics moved here for shared library purposes */ |
| 1866 | IEXT SV Istrchop; /* return value from chop */ |
| 1867 | IEXT int Ifilemode; /* so nextargv() can preserve mode */ |
| 1868 | IEXT int Ilastfd; /* what to preserve mode on */ |
| 1869 | IEXT char * Ioldname; /* what to preserve mode on */ |
| 1870 | IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */ |
| 1871 | IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */ |
| 1872 | IEXT OP * Isortcop; /* user defined sort routine */ |
| 1873 | IEXT HV * Isortstash; /* which is in some package or other */ |
| 1874 | IEXT GV * Ifirstgv; /* $a */ |
| 1875 | IEXT GV * Isecondgv; /* $b */ |
| 1876 | IEXT AV * Isortstack; /* temp stack during pp_sort() */ |
| 1877 | IEXT AV * Isignalstack; /* temp stack during sighandler() */ |
| 1878 | IEXT SV * Imystrk; /* temp key string for do_each() */ |
| 1879 | IEXT I32 Idumplvl; /* indentation level on syntax tree dump */ |
| 1880 | IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */ |
| 1881 | IEXT I32 Igensym; /* next symbol for getsym() to define */ |
| 1882 | IEXT bool Ipreambled; |
| 1883 | IEXT AV * Ipreambleav; |
| 1884 | IEXT int Ilaststatval IINIT(-1); |
| 1885 | IEXT I32 Ilaststype IINIT(OP_STAT); |
| 1886 | IEXT SV * Imess_sv; |
| 1887 | |
| 1888 | #undef IEXT |
| 1889 | #undef IINIT |
| 1890 | |
| 1891 | #ifdef MULTIPLICITY |
| 1892 | }; |
| 1893 | #else |
| 1894 | struct interpreter { |
| 1895 | char broiled; |
| 1896 | }; |
| 1897 | #endif |
| 1898 | |
| 1899 | #include "pp.h" |
| 1900 | |
| 1901 | #ifdef __cplusplus |
| 1902 | extern "C" { |
| 1903 | #endif |
| 1904 | |
| 1905 | #include "proto.h" |
| 1906 | |
| 1907 | #ifdef EMBED |
| 1908 | #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr) |
| 1909 | #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr) |
| 1910 | #else |
| 1911 | #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr) |
| 1912 | #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr) |
| 1913 | #endif |
| 1914 | |
| 1915 | #ifdef __cplusplus |
| 1916 | }; |
| 1917 | #endif |
| 1918 | |
| 1919 | /* The following must follow proto.h */ |
| 1920 | |
| 1921 | #ifdef DOINIT |
| 1922 | |
| 1923 | EXT MGVTBL vtbl_sv = {magic_get, |
| 1924 | magic_set, |
| 1925 | magic_len, |
| 1926 | 0, 0}; |
| 1927 | EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0}; |
| 1928 | EXT MGVTBL vtbl_envelem = {0, magic_setenv, |
| 1929 | 0, magic_clearenv, |
| 1930 | 0}; |
| 1931 | EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0}; |
| 1932 | EXT MGVTBL vtbl_sigelem = {magic_getsig, |
| 1933 | magic_setsig, |
| 1934 | 0, magic_clearsig, |
| 1935 | 0}; |
| 1936 | EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack, |
| 1937 | 0}; |
| 1938 | EXT MGVTBL vtbl_packelem = {magic_getpack, |
| 1939 | magic_setpack, |
| 1940 | 0, magic_clearpack, |
| 1941 | 0}; |
| 1942 | EXT MGVTBL vtbl_dbline = {0, magic_setdbline, |
| 1943 | 0, 0, 0}; |
| 1944 | EXT MGVTBL vtbl_isa = {0, magic_setisa, |
| 1945 | 0, 0, 0}; |
| 1946 | EXT MGVTBL vtbl_isaelem = {0, magic_setisa, |
| 1947 | 0, 0, 0}; |
| 1948 | EXT MGVTBL vtbl_arylen = {magic_getarylen, |
| 1949 | magic_setarylen, |
| 1950 | 0, 0, 0}; |
| 1951 | EXT MGVTBL vtbl_glob = {magic_getglob, |
| 1952 | magic_setglob, |
| 1953 | 0, 0, 0}; |
| 1954 | EXT MGVTBL vtbl_mglob = {0, magic_setmglob, |
| 1955 | 0, 0, 0}; |
| 1956 | EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys, |
| 1957 | 0, 0, 0}; |
| 1958 | EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint, |
| 1959 | 0, 0, 0}; |
| 1960 | EXT MGVTBL vtbl_substr = {0, magic_setsubstr, |
| 1961 | 0, 0, 0}; |
| 1962 | EXT MGVTBL vtbl_vec = {0, magic_setvec, |
| 1963 | 0, 0, 0}; |
| 1964 | EXT MGVTBL vtbl_pos = {magic_getpos, |
| 1965 | magic_setpos, |
| 1966 | 0, 0, 0}; |
| 1967 | EXT MGVTBL vtbl_bm = {0, magic_setbm, |
| 1968 | 0, 0, 0}; |
| 1969 | EXT MGVTBL vtbl_fm = {0, magic_setfm, |
| 1970 | 0, 0, 0}; |
| 1971 | EXT MGVTBL vtbl_uvar = {magic_getuvar, |
| 1972 | magic_setuvar, |
| 1973 | 0, 0, 0}; |
| 1974 | EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem, |
| 1975 | 0, 0, magic_freedefelem}; |
| 1976 | |
| 1977 | #ifdef USE_LOCALE_COLLATE |
| 1978 | EXT MGVTBL vtbl_collxfrm = {0, |
| 1979 | magic_setcollxfrm, |
| 1980 | 0, 0, 0}; |
| 1981 | #endif |
| 1982 | |
| 1983 | #ifdef OVERLOAD |
| 1984 | EXT MGVTBL vtbl_amagic = {0, magic_setamagic, |
| 1985 | 0, 0, magic_setamagic}; |
| 1986 | EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic, |
| 1987 | 0, 0, magic_setamagic}; |
| 1988 | #endif /* OVERLOAD */ |
| 1989 | |
| 1990 | #else /* !DOINIT */ |
| 1991 | |
| 1992 | EXT MGVTBL vtbl_sv; |
| 1993 | EXT MGVTBL vtbl_env; |
| 1994 | EXT MGVTBL vtbl_envelem; |
| 1995 | EXT MGVTBL vtbl_sig; |
| 1996 | EXT MGVTBL vtbl_sigelem; |
| 1997 | EXT MGVTBL vtbl_pack; |
| 1998 | EXT MGVTBL vtbl_packelem; |
| 1999 | EXT MGVTBL vtbl_dbline; |
| 2000 | EXT MGVTBL vtbl_isa; |
| 2001 | EXT MGVTBL vtbl_isaelem; |
| 2002 | EXT MGVTBL vtbl_arylen; |
| 2003 | EXT MGVTBL vtbl_glob; |
| 2004 | EXT MGVTBL vtbl_mglob; |
| 2005 | EXT MGVTBL vtbl_nkeys; |
| 2006 | EXT MGVTBL vtbl_taint; |
| 2007 | EXT MGVTBL vtbl_substr; |
| 2008 | EXT MGVTBL vtbl_vec; |
| 2009 | EXT MGVTBL vtbl_pos; |
| 2010 | EXT MGVTBL vtbl_bm; |
| 2011 | EXT MGVTBL vtbl_fm; |
| 2012 | EXT MGVTBL vtbl_uvar; |
| 2013 | EXT MGVTBL vtbl_defelem; |
| 2014 | |
| 2015 | #ifdef USE_LOCALE_COLLATE |
| 2016 | EXT MGVTBL vtbl_collxfrm; |
| 2017 | #endif |
| 2018 | |
| 2019 | #ifdef OVERLOAD |
| 2020 | EXT MGVTBL vtbl_amagic; |
| 2021 | EXT MGVTBL vtbl_amagicelem; |
| 2022 | #endif /* OVERLOAD */ |
| 2023 | |
| 2024 | #endif /* !DOINIT */ |
| 2025 | |
| 2026 | #ifdef OVERLOAD |
| 2027 | |
| 2028 | EXT long amagic_generation; |
| 2029 | |
| 2030 | #define NofAMmeth 58 |
| 2031 | #ifdef DOINIT |
| 2032 | EXTCONST char * AMG_names[NofAMmeth] = { |
| 2033 | "fallback", "abs", /* "fallback" should be the first. */ |
| 2034 | "bool", "nomethod", |
| 2035 | "\"\"", "0+", |
| 2036 | "+", "+=", |
| 2037 | "-", "-=", |
| 2038 | "*", "*=", |
| 2039 | "/", "/=", |
| 2040 | "%", "%=", |
| 2041 | "**", "**=", |
| 2042 | "<<", "<<=", |
| 2043 | ">>", ">>=", |
| 2044 | "&", "&=", |
| 2045 | "|", "|=", |
| 2046 | "^", "^=", |
| 2047 | "<", "<=", |
| 2048 | ">", ">=", |
| 2049 | "==", "!=", |
| 2050 | "<=>", "cmp", |
| 2051 | "lt", "le", |
| 2052 | "gt", "ge", |
| 2053 | "eq", "ne", |
| 2054 | "!", "~", |
| 2055 | "++", "--", |
| 2056 | "atan2", "cos", |
| 2057 | "sin", "exp", |
| 2058 | "log", "sqrt", |
| 2059 | "x", "x=", |
| 2060 | ".", ".=", |
| 2061 | "=", "neg" |
| 2062 | }; |
| 2063 | #else |
| 2064 | EXTCONST char * AMG_names[NofAMmeth]; |
| 2065 | #endif /* def INITAMAGIC */ |
| 2066 | |
| 2067 | struct am_table { |
| 2068 | long was_ok_sub; |
| 2069 | long was_ok_am; |
| 2070 | U32 flags; |
| 2071 | CV* table[NofAMmeth]; |
| 2072 | long fallback; |
| 2073 | }; |
| 2074 | struct am_table_short { |
| 2075 | long was_ok_sub; |
| 2076 | long was_ok_am; |
| 2077 | U32 flags; |
| 2078 | }; |
| 2079 | typedef struct am_table AMT; |
| 2080 | typedef struct am_table_short AMTS; |
| 2081 | |
| 2082 | #define AMGfallNEVER 1 |
| 2083 | #define AMGfallNO 2 |
| 2084 | #define AMGfallYES 3 |
| 2085 | |
| 2086 | #define AMTf_AMAGIC 1 |
| 2087 | #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) |
| 2088 | #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) |
| 2089 | #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) |
| 2090 | |
| 2091 | enum { |
| 2092 | fallback_amg, abs_amg, |
| 2093 | bool__amg, nomethod_amg, |
| 2094 | string_amg, numer_amg, |
| 2095 | add_amg, add_ass_amg, |
| 2096 | subtr_amg, subtr_ass_amg, |
| 2097 | mult_amg, mult_ass_amg, |
| 2098 | div_amg, div_ass_amg, |
| 2099 | mod_amg, mod_ass_amg, |
| 2100 | pow_amg, pow_ass_amg, |
| 2101 | lshift_amg, lshift_ass_amg, |
| 2102 | rshift_amg, rshift_ass_amg, |
| 2103 | band_amg, band_ass_amg, |
| 2104 | bor_amg, bor_ass_amg, |
| 2105 | bxor_amg, bxor_ass_amg, |
| 2106 | lt_amg, le_amg, |
| 2107 | gt_amg, ge_amg, |
| 2108 | eq_amg, ne_amg, |
| 2109 | ncmp_amg, scmp_amg, |
| 2110 | slt_amg, sle_amg, |
| 2111 | sgt_amg, sge_amg, |
| 2112 | seq_amg, sne_amg, |
| 2113 | not_amg, compl_amg, |
| 2114 | inc_amg, dec_amg, |
| 2115 | atan2_amg, cos_amg, |
| 2116 | sin_amg, exp_amg, |
| 2117 | log_amg, sqrt_amg, |
| 2118 | repeat_amg, repeat_ass_amg, |
| 2119 | concat_amg, concat_ass_amg, |
| 2120 | copy_amg, neg_amg |
| 2121 | }; |
| 2122 | |
| 2123 | /* |
| 2124 | * some compilers like to redefine cos et alia as faster |
| 2125 | * (and less accurate?) versions called F_cos et cetera (Quidquid |
| 2126 | * latine dictum sit, altum viditur.) This trick collides with |
| 2127 | * the Perl overloading (amg). The following #defines fool both. |
| 2128 | */ |
| 2129 | |
| 2130 | #ifdef _FASTMATH |
| 2131 | # ifdef atan2 |
| 2132 | # define F_atan2_amg atan2_amg |
| 2133 | # endif |
| 2134 | # ifdef cos |
| 2135 | # define F_cos_amg cos_amg |
| 2136 | # endif |
| 2137 | # ifdef exp |
| 2138 | # define F_exp_amg exp_amg |
| 2139 | # endif |
| 2140 | # ifdef log |
| 2141 | # define F_log_amg log_amg |
| 2142 | # endif |
| 2143 | # ifdef pow |
| 2144 | # define F_pow_amg pow_amg |
| 2145 | # endif |
| 2146 | # ifdef sin |
| 2147 | # define F_sin_amg sin_amg |
| 2148 | # endif |
| 2149 | # ifdef sqrt |
| 2150 | # define F_sqrt_amg sqrt_amg |
| 2151 | # endif |
| 2152 | #endif /* _FASTMATH */ |
| 2153 | |
| 2154 | #endif /* OVERLOAD */ |
| 2155 | |
| 2156 | #ifdef USE_LOCALE_COLLATE |
| 2157 | EXT U32 collation_ix; /* Collation generation index */ |
| 2158 | EXT char * collation_name; /* Name of current collation */ |
| 2159 | EXT bool collation_standard INIT(TRUE); /* Assume simple collation */ |
| 2160 | EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */ |
| 2161 | EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */ |
| 2162 | #endif /* USE_LOCALE_COLLATE */ |
| 2163 | |
| 2164 | #ifdef USE_LOCALE_NUMERIC |
| 2165 | |
| 2166 | EXT char * numeric_name; /* Name of current numeric locale */ |
| 2167 | EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */ |
| 2168 | EXT bool numeric_local INIT(TRUE); /* Assume local numerics */ |
| 2169 | |
| 2170 | #define SET_NUMERIC_STANDARD() \ |
| 2171 | STMT_START { \ |
| 2172 | if (! numeric_standard) \ |
| 2173 | perl_set_numeric_standard(); \ |
| 2174 | } STMT_END |
| 2175 | |
| 2176 | #define SET_NUMERIC_LOCAL() \ |
| 2177 | STMT_START { \ |
| 2178 | if (! numeric_local) \ |
| 2179 | perl_set_numeric_local(); \ |
| 2180 | } STMT_END |
| 2181 | |
| 2182 | #else /* !USE_LOCALE_NUMERIC */ |
| 2183 | |
| 2184 | #define SET_NUMERIC_STANDARD() /**/ |
| 2185 | #define SET_NUMERIC_LOCAL() /**/ |
| 2186 | |
| 2187 | #endif /* !USE_LOCALE_NUMERIC */ |
| 2188 | |
| 2189 | #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE) |
| 2190 | /* |
| 2191 | * Now we have __attribute__ out of the way |
| 2192 | * Remap printf |
| 2193 | */ |
| 2194 | #define printf PerlIO_stdoutf |
| 2195 | #endif |
| 2196 | |
| 2197 | #endif /* Include guard */ |
| 2198 | |