| 1 | /* sv.c |
| 2 | * |
| 3 | * Copyright (c) 1991-1999, 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 | |
| 10 | /* |
| 11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. |
| 12 | */ |
| 13 | |
| 14 | #include "EXTERN.h" |
| 15 | #define PERL_IN_SV_C |
| 16 | #include "perl.h" |
| 17 | |
| 18 | #define FCALL *f |
| 19 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv) |
| 20 | |
| 21 | static void do_report_used(pTHXo_ SV *sv); |
| 22 | static void do_clean_objs(pTHXo_ SV *sv); |
| 23 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
| 24 | static void do_clean_named_objs(pTHXo_ SV *sv); |
| 25 | #endif |
| 26 | static void do_clean_all(pTHXo_ SV *sv); |
| 27 | |
| 28 | |
| 29 | #ifdef PURIFY |
| 30 | |
| 31 | #define new_SV(p) \ |
| 32 | STMT_START { \ |
| 33 | LOCK_SV_MUTEX; \ |
| 34 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
| 35 | reg_add(p); \ |
| 36 | UNLOCK_SV_MUTEX; \ |
| 37 | SvANY(p) = 0; \ |
| 38 | SvREFCNT(p) = 1; \ |
| 39 | SvFLAGS(p) = 0; \ |
| 40 | } STMT_END |
| 41 | |
| 42 | #define del_SV(p) \ |
| 43 | STMT_START { \ |
| 44 | LOCK_SV_MUTEX; \ |
| 45 | reg_remove(p); \ |
| 46 | Safefree((char*)(p)); \ |
| 47 | UNLOCK_SV_MUTEX; \ |
| 48 | } STMT_END |
| 49 | |
| 50 | static SV **registry; |
| 51 | static I32 registry_size; |
| 52 | |
| 53 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) |
| 54 | |
| 55 | #define REG_REPLACE(sv,a,b) \ |
| 56 | STMT_START { \ |
| 57 | void* p = sv->sv_any; \ |
| 58 | I32 h = REGHASH(sv, registry_size); \ |
| 59 | I32 i = h; \ |
| 60 | while (registry[i] != (a)) { \ |
| 61 | if (++i >= registry_size) \ |
| 62 | i = 0; \ |
| 63 | if (i == h) \ |
| 64 | Perl_die(aTHX_ "SV registry bug"); \ |
| 65 | } \ |
| 66 | registry[i] = (b); \ |
| 67 | } STMT_END |
| 68 | |
| 69 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) |
| 70 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) |
| 71 | |
| 72 | STATIC void |
| 73 | S_reg_add(pTHX_ SV *sv) |
| 74 | { |
| 75 | if (PL_sv_count >= (registry_size >> 1)) |
| 76 | { |
| 77 | SV **oldreg = registry; |
| 78 | I32 oldsize = registry_size; |
| 79 | |
| 80 | registry_size = registry_size ? ((registry_size << 2) + 1) : 2037; |
| 81 | Newz(707, registry, registry_size, SV*); |
| 82 | |
| 83 | if (oldreg) { |
| 84 | I32 i; |
| 85 | |
| 86 | for (i = 0; i < oldsize; ++i) { |
| 87 | SV* oldsv = oldreg[i]; |
| 88 | if (oldsv) |
| 89 | REG_ADD(oldsv); |
| 90 | } |
| 91 | Safefree(oldreg); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | REG_ADD(sv); |
| 96 | ++PL_sv_count; |
| 97 | } |
| 98 | |
| 99 | STATIC void |
| 100 | S_reg_remove(pTHX_ SV *sv) |
| 101 | { |
| 102 | REG_REMOVE(sv); |
| 103 | --PL_sv_count; |
| 104 | } |
| 105 | |
| 106 | STATIC void |
| 107 | S_visit(pTHX_ SVFUNC_t f) |
| 108 | { |
| 109 | I32 i; |
| 110 | |
| 111 | for (i = 0; i < registry_size; ++i) { |
| 112 | SV* sv = registry[i]; |
| 113 | if (sv && SvTYPE(sv) != SVTYPEMASK) |
| 114 | (*f)(sv); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | void |
| 119 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
| 120 | { |
| 121 | if (!(flags & SVf_FAKE)) |
| 122 | Safefree(ptr); |
| 123 | } |
| 124 | |
| 125 | #else /* ! PURIFY */ |
| 126 | |
| 127 | /* |
| 128 | * "A time to plant, and a time to uproot what was planted..." |
| 129 | */ |
| 130 | |
| 131 | #define plant_SV(p) \ |
| 132 | STMT_START { \ |
| 133 | SvANY(p) = (void *)PL_sv_root; \ |
| 134 | SvFLAGS(p) = SVTYPEMASK; \ |
| 135 | PL_sv_root = (p); \ |
| 136 | --PL_sv_count; \ |
| 137 | } STMT_END |
| 138 | |
| 139 | /* sv_mutex must be held while calling uproot_SV() */ |
| 140 | #define uproot_SV(p) \ |
| 141 | STMT_START { \ |
| 142 | (p) = PL_sv_root; \ |
| 143 | PL_sv_root = (SV*)SvANY(p); \ |
| 144 | ++PL_sv_count; \ |
| 145 | } STMT_END |
| 146 | |
| 147 | #define new_SV(p) \ |
| 148 | STMT_START { \ |
| 149 | LOCK_SV_MUTEX; \ |
| 150 | if (PL_sv_root) \ |
| 151 | uproot_SV(p); \ |
| 152 | else \ |
| 153 | (p) = more_sv(); \ |
| 154 | UNLOCK_SV_MUTEX; \ |
| 155 | SvANY(p) = 0; \ |
| 156 | SvREFCNT(p) = 1; \ |
| 157 | SvFLAGS(p) = 0; \ |
| 158 | } STMT_END |
| 159 | |
| 160 | #ifdef DEBUGGING |
| 161 | |
| 162 | #define del_SV(p) \ |
| 163 | STMT_START { \ |
| 164 | LOCK_SV_MUTEX; \ |
| 165 | if (PL_debug & 32768) \ |
| 166 | del_sv(p); \ |
| 167 | else \ |
| 168 | plant_SV(p); \ |
| 169 | UNLOCK_SV_MUTEX; \ |
| 170 | } STMT_END |
| 171 | |
| 172 | STATIC void |
| 173 | S_del_sv(pTHX_ SV *p) |
| 174 | { |
| 175 | if (PL_debug & 32768) { |
| 176 | SV* sva; |
| 177 | SV* sv; |
| 178 | SV* svend; |
| 179 | int ok = 0; |
| 180 | for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
| 181 | sv = sva + 1; |
| 182 | svend = &sva[SvREFCNT(sva)]; |
| 183 | if (p >= sv && p < svend) |
| 184 | ok = 1; |
| 185 | } |
| 186 | if (!ok) { |
| 187 | if (ckWARN_d(WARN_INTERNAL)) |
| 188 | Perl_warner(aTHX_ WARN_INTERNAL, |
| 189 | "Attempt to free non-arena SV: 0x%"UVxf, |
| 190 | PTR2UV(p)); |
| 191 | return; |
| 192 | } |
| 193 | } |
| 194 | plant_SV(p); |
| 195 | } |
| 196 | |
| 197 | #else /* ! DEBUGGING */ |
| 198 | |
| 199 | #define del_SV(p) plant_SV(p) |
| 200 | |
| 201 | #endif /* DEBUGGING */ |
| 202 | |
| 203 | void |
| 204 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
| 205 | { |
| 206 | SV* sva = (SV*)ptr; |
| 207 | register SV* sv; |
| 208 | register SV* svend; |
| 209 | Zero(sva, size, char); |
| 210 | |
| 211 | /* The first SV in an arena isn't an SV. */ |
| 212 | SvANY(sva) = (void *) PL_sv_arenaroot; /* ptr to next arena */ |
| 213 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
| 214 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ |
| 215 | |
| 216 | PL_sv_arenaroot = sva; |
| 217 | PL_sv_root = sva + 1; |
| 218 | |
| 219 | svend = &sva[SvREFCNT(sva) - 1]; |
| 220 | sv = sva + 1; |
| 221 | while (sv < svend) { |
| 222 | SvANY(sv) = (void *)(SV*)(sv + 1); |
| 223 | SvFLAGS(sv) = SVTYPEMASK; |
| 224 | sv++; |
| 225 | } |
| 226 | SvANY(sv) = 0; |
| 227 | SvFLAGS(sv) = SVTYPEMASK; |
| 228 | } |
| 229 | |
| 230 | /* sv_mutex must be held while calling more_sv() */ |
| 231 | STATIC SV* |
| 232 | S_more_sv(pTHX) |
| 233 | { |
| 234 | register SV* sv; |
| 235 | |
| 236 | if (PL_nice_chunk) { |
| 237 | sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0); |
| 238 | PL_nice_chunk = Nullch; |
| 239 | } |
| 240 | else { |
| 241 | char *chunk; /* must use New here to match call to */ |
| 242 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ |
| 243 | sv_add_arena(chunk, 1008, 0); |
| 244 | } |
| 245 | uproot_SV(sv); |
| 246 | return sv; |
| 247 | } |
| 248 | |
| 249 | STATIC void |
| 250 | S_visit(pTHX_ SVFUNC_t f) |
| 251 | { |
| 252 | SV* sva; |
| 253 | SV* sv; |
| 254 | register SV* svend; |
| 255 | |
| 256 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
| 257 | svend = &sva[SvREFCNT(sva)]; |
| 258 | for (sv = sva + 1; sv < svend; ++sv) { |
| 259 | if (SvTYPE(sv) != SVTYPEMASK) |
| 260 | (FCALL)(aTHXo_ sv); |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | #endif /* PURIFY */ |
| 266 | |
| 267 | void |
| 268 | Perl_sv_report_used(pTHX) |
| 269 | { |
| 270 | visit(do_report_used); |
| 271 | } |
| 272 | |
| 273 | void |
| 274 | Perl_sv_clean_objs(pTHX) |
| 275 | { |
| 276 | PL_in_clean_objs = TRUE; |
| 277 | visit(do_clean_objs); |
| 278 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
| 279 | /* some barnacles may yet remain, clinging to typeglobs */ |
| 280 | visit(do_clean_named_objs); |
| 281 | #endif |
| 282 | PL_in_clean_objs = FALSE; |
| 283 | } |
| 284 | |
| 285 | void |
| 286 | Perl_sv_clean_all(pTHX) |
| 287 | { |
| 288 | PL_in_clean_all = TRUE; |
| 289 | visit(do_clean_all); |
| 290 | PL_in_clean_all = FALSE; |
| 291 | } |
| 292 | |
| 293 | void |
| 294 | Perl_sv_free_arenas(pTHX) |
| 295 | { |
| 296 | SV* sva; |
| 297 | SV* svanext; |
| 298 | |
| 299 | /* Free arenas here, but be careful about fake ones. (We assume |
| 300 | contiguity of the fake ones with the corresponding real ones.) */ |
| 301 | |
| 302 | for (sva = PL_sv_arenaroot; sva; sva = svanext) { |
| 303 | svanext = (SV*) SvANY(sva); |
| 304 | while (svanext && SvFAKE(svanext)) |
| 305 | svanext = (SV*) SvANY(svanext); |
| 306 | |
| 307 | if (!SvFAKE(sva)) |
| 308 | Safefree((void *)sva); |
| 309 | } |
| 310 | |
| 311 | if (PL_nice_chunk) |
| 312 | Safefree(PL_nice_chunk); |
| 313 | PL_nice_chunk = Nullch; |
| 314 | PL_nice_chunk_size = 0; |
| 315 | PL_sv_arenaroot = 0; |
| 316 | PL_sv_root = 0; |
| 317 | } |
| 318 | |
| 319 | void |
| 320 | Perl_report_uninit(pTHX) |
| 321 | { |
| 322 | if (PL_op) |
| 323 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit, |
| 324 | " in ", PL_op_desc[PL_op->op_type]); |
| 325 | else |
| 326 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit, "", ""); |
| 327 | } |
| 328 | |
| 329 | STATIC XPVIV* |
| 330 | S_new_xiv(pTHX) |
| 331 | { |
| 332 | IV* xiv; |
| 333 | LOCK_SV_MUTEX; |
| 334 | if (!PL_xiv_root) |
| 335 | more_xiv(); |
| 336 | xiv = PL_xiv_root; |
| 337 | /* |
| 338 | * See comment in more_xiv() -- RAM. |
| 339 | */ |
| 340 | PL_xiv_root = *(IV**)xiv; |
| 341 | UNLOCK_SV_MUTEX; |
| 342 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); |
| 343 | } |
| 344 | |
| 345 | STATIC void |
| 346 | S_del_xiv(pTHX_ XPVIV *p) |
| 347 | { |
| 348 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
| 349 | LOCK_SV_MUTEX; |
| 350 | *(IV**)xiv = PL_xiv_root; |
| 351 | PL_xiv_root = xiv; |
| 352 | UNLOCK_SV_MUTEX; |
| 353 | } |
| 354 | |
| 355 | STATIC void |
| 356 | S_more_xiv(pTHX) |
| 357 | { |
| 358 | register IV* xiv; |
| 359 | register IV* xivend; |
| 360 | XPV* ptr; |
| 361 | New(705, ptr, 1008/sizeof(XPV), XPV); |
| 362 | ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */ |
| 363 | PL_xiv_arenaroot = ptr; /* to keep Purify happy */ |
| 364 | |
| 365 | xiv = (IV*) ptr; |
| 366 | xivend = &xiv[1008 / sizeof(IV) - 1]; |
| 367 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ |
| 368 | PL_xiv_root = xiv; |
| 369 | while (xiv < xivend) { |
| 370 | *(IV**)xiv = (IV *)(xiv + 1); |
| 371 | xiv++; |
| 372 | } |
| 373 | *(IV**)xiv = 0; |
| 374 | } |
| 375 | |
| 376 | STATIC XPVNV* |
| 377 | S_new_xnv(pTHX) |
| 378 | { |
| 379 | NV* xnv; |
| 380 | LOCK_SV_MUTEX; |
| 381 | if (!PL_xnv_root) |
| 382 | more_xnv(); |
| 383 | xnv = PL_xnv_root; |
| 384 | PL_xnv_root = *(NV**)xnv; |
| 385 | UNLOCK_SV_MUTEX; |
| 386 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); |
| 387 | } |
| 388 | |
| 389 | STATIC void |
| 390 | S_del_xnv(pTHX_ XPVNV *p) |
| 391 | { |
| 392 | NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
| 393 | LOCK_SV_MUTEX; |
| 394 | *(NV**)xnv = PL_xnv_root; |
| 395 | PL_xnv_root = xnv; |
| 396 | UNLOCK_SV_MUTEX; |
| 397 | } |
| 398 | |
| 399 | STATIC void |
| 400 | S_more_xnv(pTHX) |
| 401 | { |
| 402 | register NV* xnv; |
| 403 | register NV* xnvend; |
| 404 | New(711, xnv, 1008/sizeof(NV), NV); |
| 405 | xnvend = &xnv[1008 / sizeof(NV) - 1]; |
| 406 | xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */ |
| 407 | PL_xnv_root = xnv; |
| 408 | while (xnv < xnvend) { |
| 409 | *(NV**)xnv = (NV*)(xnv + 1); |
| 410 | xnv++; |
| 411 | } |
| 412 | *(NV**)xnv = 0; |
| 413 | } |
| 414 | |
| 415 | STATIC XRV* |
| 416 | S_new_xrv(pTHX) |
| 417 | { |
| 418 | XRV* xrv; |
| 419 | LOCK_SV_MUTEX; |
| 420 | if (!PL_xrv_root) |
| 421 | more_xrv(); |
| 422 | xrv = PL_xrv_root; |
| 423 | PL_xrv_root = (XRV*)xrv->xrv_rv; |
| 424 | UNLOCK_SV_MUTEX; |
| 425 | return xrv; |
| 426 | } |
| 427 | |
| 428 | STATIC void |
| 429 | S_del_xrv(pTHX_ XRV *p) |
| 430 | { |
| 431 | LOCK_SV_MUTEX; |
| 432 | p->xrv_rv = (SV*)PL_xrv_root; |
| 433 | PL_xrv_root = p; |
| 434 | UNLOCK_SV_MUTEX; |
| 435 | } |
| 436 | |
| 437 | STATIC void |
| 438 | S_more_xrv(pTHX) |
| 439 | { |
| 440 | register XRV* xrv; |
| 441 | register XRV* xrvend; |
| 442 | New(712, PL_xrv_root, 1008/sizeof(XRV), XRV); |
| 443 | xrv = PL_xrv_root; |
| 444 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
| 445 | while (xrv < xrvend) { |
| 446 | xrv->xrv_rv = (SV*)(xrv + 1); |
| 447 | xrv++; |
| 448 | } |
| 449 | xrv->xrv_rv = 0; |
| 450 | } |
| 451 | |
| 452 | STATIC XPV* |
| 453 | S_new_xpv(pTHX) |
| 454 | { |
| 455 | XPV* xpv; |
| 456 | LOCK_SV_MUTEX; |
| 457 | if (!PL_xpv_root) |
| 458 | more_xpv(); |
| 459 | xpv = PL_xpv_root; |
| 460 | PL_xpv_root = (XPV*)xpv->xpv_pv; |
| 461 | UNLOCK_SV_MUTEX; |
| 462 | return xpv; |
| 463 | } |
| 464 | |
| 465 | STATIC void |
| 466 | S_del_xpv(pTHX_ XPV *p) |
| 467 | { |
| 468 | LOCK_SV_MUTEX; |
| 469 | p->xpv_pv = (char*)PL_xpv_root; |
| 470 | PL_xpv_root = p; |
| 471 | UNLOCK_SV_MUTEX; |
| 472 | } |
| 473 | |
| 474 | STATIC void |
| 475 | S_more_xpv(pTHX) |
| 476 | { |
| 477 | register XPV* xpv; |
| 478 | register XPV* xpvend; |
| 479 | New(713, PL_xpv_root, 1008/sizeof(XPV), XPV); |
| 480 | xpv = PL_xpv_root; |
| 481 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
| 482 | while (xpv < xpvend) { |
| 483 | xpv->xpv_pv = (char*)(xpv + 1); |
| 484 | xpv++; |
| 485 | } |
| 486 | xpv->xpv_pv = 0; |
| 487 | } |
| 488 | |
| 489 | STATIC XPVIV* |
| 490 | S_new_xpviv(pTHX) |
| 491 | { |
| 492 | XPVIV* xpviv; |
| 493 | LOCK_SV_MUTEX; |
| 494 | if (!PL_xpviv_root) |
| 495 | more_xpviv(); |
| 496 | xpviv = PL_xpviv_root; |
| 497 | PL_xpviv_root = (XPVIV*)xpviv->xpv_pv; |
| 498 | UNLOCK_SV_MUTEX; |
| 499 | return xpviv; |
| 500 | } |
| 501 | |
| 502 | STATIC void |
| 503 | S_del_xpviv(pTHX_ XPVIV *p) |
| 504 | { |
| 505 | LOCK_SV_MUTEX; |
| 506 | p->xpv_pv = (char*)PL_xpviv_root; |
| 507 | PL_xpviv_root = p; |
| 508 | UNLOCK_SV_MUTEX; |
| 509 | } |
| 510 | |
| 511 | |
| 512 | STATIC void |
| 513 | S_more_xpviv(pTHX) |
| 514 | { |
| 515 | register XPVIV* xpviv; |
| 516 | register XPVIV* xpvivend; |
| 517 | New(714, PL_xpviv_root, 1008/sizeof(XPVIV), XPVIV); |
| 518 | xpviv = PL_xpviv_root; |
| 519 | xpvivend = &xpviv[1008 / sizeof(XPVIV) - 1]; |
| 520 | while (xpviv < xpvivend) { |
| 521 | xpviv->xpv_pv = (char*)(xpviv + 1); |
| 522 | xpviv++; |
| 523 | } |
| 524 | xpviv->xpv_pv = 0; |
| 525 | } |
| 526 | |
| 527 | |
| 528 | STATIC XPVNV* |
| 529 | S_new_xpvnv(pTHX) |
| 530 | { |
| 531 | XPVNV* xpvnv; |
| 532 | LOCK_SV_MUTEX; |
| 533 | if (!PL_xpvnv_root) |
| 534 | more_xpvnv(); |
| 535 | xpvnv = PL_xpvnv_root; |
| 536 | PL_xpvnv_root = (XPVNV*)xpvnv->xpv_pv; |
| 537 | UNLOCK_SV_MUTEX; |
| 538 | return xpvnv; |
| 539 | } |
| 540 | |
| 541 | STATIC void |
| 542 | S_del_xpvnv(pTHX_ XPVNV *p) |
| 543 | { |
| 544 | LOCK_SV_MUTEX; |
| 545 | p->xpv_pv = (char*)PL_xpvnv_root; |
| 546 | PL_xpvnv_root = p; |
| 547 | UNLOCK_SV_MUTEX; |
| 548 | } |
| 549 | |
| 550 | |
| 551 | STATIC void |
| 552 | S_more_xpvnv(pTHX) |
| 553 | { |
| 554 | register XPVNV* xpvnv; |
| 555 | register XPVNV* xpvnvend; |
| 556 | New(715, PL_xpvnv_root, 1008/sizeof(XPVNV), XPVNV); |
| 557 | xpvnv = PL_xpvnv_root; |
| 558 | xpvnvend = &xpvnv[1008 / sizeof(XPVNV) - 1]; |
| 559 | while (xpvnv < xpvnvend) { |
| 560 | xpvnv->xpv_pv = (char*)(xpvnv + 1); |
| 561 | xpvnv++; |
| 562 | } |
| 563 | xpvnv->xpv_pv = 0; |
| 564 | } |
| 565 | |
| 566 | |
| 567 | |
| 568 | STATIC XPVCV* |
| 569 | S_new_xpvcv(pTHX) |
| 570 | { |
| 571 | XPVCV* xpvcv; |
| 572 | LOCK_SV_MUTEX; |
| 573 | if (!PL_xpvcv_root) |
| 574 | more_xpvcv(); |
| 575 | xpvcv = PL_xpvcv_root; |
| 576 | PL_xpvcv_root = (XPVCV*)xpvcv->xpv_pv; |
| 577 | UNLOCK_SV_MUTEX; |
| 578 | return xpvcv; |
| 579 | } |
| 580 | |
| 581 | STATIC void |
| 582 | S_del_xpvcv(pTHX_ XPVCV *p) |
| 583 | { |
| 584 | LOCK_SV_MUTEX; |
| 585 | p->xpv_pv = (char*)PL_xpvcv_root; |
| 586 | PL_xpvcv_root = p; |
| 587 | UNLOCK_SV_MUTEX; |
| 588 | } |
| 589 | |
| 590 | |
| 591 | STATIC void |
| 592 | S_more_xpvcv(pTHX) |
| 593 | { |
| 594 | register XPVCV* xpvcv; |
| 595 | register XPVCV* xpvcvend; |
| 596 | New(716, PL_xpvcv_root, 1008/sizeof(XPVCV), XPVCV); |
| 597 | xpvcv = PL_xpvcv_root; |
| 598 | xpvcvend = &xpvcv[1008 / sizeof(XPVCV) - 1]; |
| 599 | while (xpvcv < xpvcvend) { |
| 600 | xpvcv->xpv_pv = (char*)(xpvcv + 1); |
| 601 | xpvcv++; |
| 602 | } |
| 603 | xpvcv->xpv_pv = 0; |
| 604 | } |
| 605 | |
| 606 | |
| 607 | |
| 608 | STATIC XPVAV* |
| 609 | S_new_xpvav(pTHX) |
| 610 | { |
| 611 | XPVAV* xpvav; |
| 612 | LOCK_SV_MUTEX; |
| 613 | if (!PL_xpvav_root) |
| 614 | more_xpvav(); |
| 615 | xpvav = PL_xpvav_root; |
| 616 | PL_xpvav_root = (XPVAV*)xpvav->xav_array; |
| 617 | UNLOCK_SV_MUTEX; |
| 618 | return xpvav; |
| 619 | } |
| 620 | |
| 621 | STATIC void |
| 622 | S_del_xpvav(pTHX_ XPVAV *p) |
| 623 | { |
| 624 | LOCK_SV_MUTEX; |
| 625 | p->xav_array = (char*)PL_xpvav_root; |
| 626 | PL_xpvav_root = p; |
| 627 | UNLOCK_SV_MUTEX; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | STATIC void |
| 632 | S_more_xpvav(pTHX) |
| 633 | { |
| 634 | register XPVAV* xpvav; |
| 635 | register XPVAV* xpvavend; |
| 636 | New(717, PL_xpvav_root, 1008/sizeof(XPVAV), XPVAV); |
| 637 | xpvav = PL_xpvav_root; |
| 638 | xpvavend = &xpvav[1008 / sizeof(XPVAV) - 1]; |
| 639 | while (xpvav < xpvavend) { |
| 640 | xpvav->xav_array = (char*)(xpvav + 1); |
| 641 | xpvav++; |
| 642 | } |
| 643 | xpvav->xav_array = 0; |
| 644 | } |
| 645 | |
| 646 | |
| 647 | |
| 648 | STATIC XPVHV* |
| 649 | S_new_xpvhv(pTHX) |
| 650 | { |
| 651 | XPVHV* xpvhv; |
| 652 | LOCK_SV_MUTEX; |
| 653 | if (!PL_xpvhv_root) |
| 654 | more_xpvhv(); |
| 655 | xpvhv = PL_xpvhv_root; |
| 656 | PL_xpvhv_root = (XPVHV*)xpvhv->xhv_array; |
| 657 | UNLOCK_SV_MUTEX; |
| 658 | return xpvhv; |
| 659 | } |
| 660 | |
| 661 | STATIC void |
| 662 | S_del_xpvhv(pTHX_ XPVHV *p) |
| 663 | { |
| 664 | LOCK_SV_MUTEX; |
| 665 | p->xhv_array = (char*)PL_xpvhv_root; |
| 666 | PL_xpvhv_root = p; |
| 667 | UNLOCK_SV_MUTEX; |
| 668 | } |
| 669 | |
| 670 | |
| 671 | STATIC void |
| 672 | S_more_xpvhv(pTHX) |
| 673 | { |
| 674 | register XPVHV* xpvhv; |
| 675 | register XPVHV* xpvhvend; |
| 676 | New(718, PL_xpvhv_root, 1008/sizeof(XPVHV), XPVHV); |
| 677 | xpvhv = PL_xpvhv_root; |
| 678 | xpvhvend = &xpvhv[1008 / sizeof(XPVHV) - 1]; |
| 679 | while (xpvhv < xpvhvend) { |
| 680 | xpvhv->xhv_array = (char*)(xpvhv + 1); |
| 681 | xpvhv++; |
| 682 | } |
| 683 | xpvhv->xhv_array = 0; |
| 684 | } |
| 685 | |
| 686 | |
| 687 | STATIC XPVMG* |
| 688 | S_new_xpvmg(pTHX) |
| 689 | { |
| 690 | XPVMG* xpvmg; |
| 691 | LOCK_SV_MUTEX; |
| 692 | if (!PL_xpvmg_root) |
| 693 | more_xpvmg(); |
| 694 | xpvmg = PL_xpvmg_root; |
| 695 | PL_xpvmg_root = (XPVMG*)xpvmg->xpv_pv; |
| 696 | UNLOCK_SV_MUTEX; |
| 697 | return xpvmg; |
| 698 | } |
| 699 | |
| 700 | STATIC void |
| 701 | S_del_xpvmg(pTHX_ XPVMG *p) |
| 702 | { |
| 703 | LOCK_SV_MUTEX; |
| 704 | p->xpv_pv = (char*)PL_xpvmg_root; |
| 705 | PL_xpvmg_root = p; |
| 706 | UNLOCK_SV_MUTEX; |
| 707 | } |
| 708 | |
| 709 | |
| 710 | STATIC void |
| 711 | S_more_xpvmg(pTHX) |
| 712 | { |
| 713 | register XPVMG* xpvmg; |
| 714 | register XPVMG* xpvmgend; |
| 715 | New(719, PL_xpvmg_root, 1008/sizeof(XPVMG), XPVMG); |
| 716 | xpvmg = PL_xpvmg_root; |
| 717 | xpvmgend = &xpvmg[1008 / sizeof(XPVMG) - 1]; |
| 718 | while (xpvmg < xpvmgend) { |
| 719 | xpvmg->xpv_pv = (char*)(xpvmg + 1); |
| 720 | xpvmg++; |
| 721 | } |
| 722 | xpvmg->xpv_pv = 0; |
| 723 | } |
| 724 | |
| 725 | |
| 726 | |
| 727 | STATIC XPVLV* |
| 728 | S_new_xpvlv(pTHX) |
| 729 | { |
| 730 | XPVLV* xpvlv; |
| 731 | LOCK_SV_MUTEX; |
| 732 | if (!PL_xpvlv_root) |
| 733 | more_xpvlv(); |
| 734 | xpvlv = PL_xpvlv_root; |
| 735 | PL_xpvlv_root = (XPVLV*)xpvlv->xpv_pv; |
| 736 | UNLOCK_SV_MUTEX; |
| 737 | return xpvlv; |
| 738 | } |
| 739 | |
| 740 | STATIC void |
| 741 | S_del_xpvlv(pTHX_ XPVLV *p) |
| 742 | { |
| 743 | LOCK_SV_MUTEX; |
| 744 | p->xpv_pv = (char*)PL_xpvlv_root; |
| 745 | PL_xpvlv_root = p; |
| 746 | UNLOCK_SV_MUTEX; |
| 747 | } |
| 748 | |
| 749 | |
| 750 | STATIC void |
| 751 | S_more_xpvlv(pTHX) |
| 752 | { |
| 753 | register XPVLV* xpvlv; |
| 754 | register XPVLV* xpvlvend; |
| 755 | New(720, PL_xpvlv_root, 1008/sizeof(XPVLV), XPVLV); |
| 756 | xpvlv = PL_xpvlv_root; |
| 757 | xpvlvend = &xpvlv[1008 / sizeof(XPVLV) - 1]; |
| 758 | while (xpvlv < xpvlvend) { |
| 759 | xpvlv->xpv_pv = (char*)(xpvlv + 1); |
| 760 | xpvlv++; |
| 761 | } |
| 762 | xpvlv->xpv_pv = 0; |
| 763 | } |
| 764 | |
| 765 | |
| 766 | STATIC XPVBM* |
| 767 | S_new_xpvbm(pTHX) |
| 768 | { |
| 769 | XPVBM* xpvbm; |
| 770 | LOCK_SV_MUTEX; |
| 771 | if (!PL_xpvbm_root) |
| 772 | more_xpvbm(); |
| 773 | xpvbm = PL_xpvbm_root; |
| 774 | PL_xpvbm_root = (XPVBM*)xpvbm->xpv_pv; |
| 775 | UNLOCK_SV_MUTEX; |
| 776 | return xpvbm; |
| 777 | } |
| 778 | |
| 779 | STATIC void |
| 780 | S_del_xpvbm(pTHX_ XPVBM *p) |
| 781 | { |
| 782 | LOCK_SV_MUTEX; |
| 783 | p->xpv_pv = (char*)PL_xpvbm_root; |
| 784 | PL_xpvbm_root = p; |
| 785 | UNLOCK_SV_MUTEX; |
| 786 | } |
| 787 | |
| 788 | |
| 789 | STATIC void |
| 790 | S_more_xpvbm(pTHX) |
| 791 | { |
| 792 | register XPVBM* xpvbm; |
| 793 | register XPVBM* xpvbmend; |
| 794 | New(721, PL_xpvbm_root, 1008/sizeof(XPVBM), XPVBM); |
| 795 | xpvbm = PL_xpvbm_root; |
| 796 | xpvbmend = &xpvbm[1008 / sizeof(XPVBM) - 1]; |
| 797 | while (xpvbm < xpvbmend) { |
| 798 | xpvbm->xpv_pv = (char*)(xpvbm + 1); |
| 799 | xpvbm++; |
| 800 | } |
| 801 | xpvbm->xpv_pv = 0; |
| 802 | } |
| 803 | |
| 804 | #ifdef PURIFY |
| 805 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
| 806 | #define del_XIV(p) Safefree((char*)p) |
| 807 | #else |
| 808 | #define new_XIV() (void*)new_xiv() |
| 809 | #define del_XIV(p) del_xiv((XPVIV*) p) |
| 810 | #endif |
| 811 | |
| 812 | #ifdef PURIFY |
| 813 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
| 814 | #define del_XNV(p) Safefree((char*)p) |
| 815 | #else |
| 816 | #define new_XNV() (void*)new_xnv() |
| 817 | #define del_XNV(p) del_xnv((XPVNV*) p) |
| 818 | #endif |
| 819 | |
| 820 | #ifdef PURIFY |
| 821 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
| 822 | #define del_XRV(p) Safefree((char*)p) |
| 823 | #else |
| 824 | #define new_XRV() (void*)new_xrv() |
| 825 | #define del_XRV(p) del_xrv((XRV*) p) |
| 826 | #endif |
| 827 | |
| 828 | #ifdef PURIFY |
| 829 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
| 830 | #define del_XPV(p) Safefree((char*)p) |
| 831 | #else |
| 832 | #define new_XPV() (void*)new_xpv() |
| 833 | #define del_XPV(p) del_xpv((XPV *)p) |
| 834 | #endif |
| 835 | |
| 836 | #ifdef PURIFY |
| 837 | # define my_safemalloc(s) safemalloc(s) |
| 838 | # define my_safefree(s) safefree(s) |
| 839 | #else |
| 840 | STATIC void* |
| 841 | S_my_safemalloc(MEM_SIZE size) |
| 842 | { |
| 843 | char *p; |
| 844 | New(717, p, size, char); |
| 845 | return (void*)p; |
| 846 | } |
| 847 | # define my_safefree(s) Safefree(s) |
| 848 | #endif |
| 849 | |
| 850 | #ifdef PURIFY |
| 851 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) |
| 852 | #define del_XPVIV(p) Safefree((char*)p) |
| 853 | #else |
| 854 | #define new_XPVIV() (void*)new_xpviv() |
| 855 | #define del_XPVIV(p) del_xpviv((XPVIV *)p) |
| 856 | #endif |
| 857 | |
| 858 | #ifdef PURIFY |
| 859 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) |
| 860 | #define del_XPVNV(p) Safefree((char*)p) |
| 861 | #else |
| 862 | #define new_XPVNV() (void*)new_xpvnv() |
| 863 | #define del_XPVNV(p) del_xpvnv((XPVNV *)p) |
| 864 | #endif |
| 865 | |
| 866 | |
| 867 | #ifdef PURIFY |
| 868 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) |
| 869 | #define del_XPVCV(p) Safefree((char*)p) |
| 870 | #else |
| 871 | #define new_XPVCV() (void*)new_xpvcv() |
| 872 | #define del_XPVCV(p) del_xpvcv((XPVCV *)p) |
| 873 | #endif |
| 874 | |
| 875 | #ifdef PURIFY |
| 876 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) |
| 877 | #define del_XPVAV(p) Safefree((char*)p) |
| 878 | #else |
| 879 | #define new_XPVAV() (void*)new_xpvav() |
| 880 | #define del_XPVAV(p) del_xpvav((XPVAV *)p) |
| 881 | #endif |
| 882 | |
| 883 | #ifdef PURIFY |
| 884 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) |
| 885 | #define del_XPVHV(p) Safefree((char*)p) |
| 886 | #else |
| 887 | #define new_XPVHV() (void*)new_xpvhv() |
| 888 | #define del_XPVHV(p) del_xpvhv((XPVHV *)p) |
| 889 | #endif |
| 890 | |
| 891 | #ifdef PURIFY |
| 892 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) |
| 893 | #define del_XPVMG(p) Safefree((char*)p) |
| 894 | #else |
| 895 | #define new_XPVMG() (void*)new_xpvmg() |
| 896 | #define del_XPVMG(p) del_xpvmg((XPVMG *)p) |
| 897 | #endif |
| 898 | |
| 899 | #ifdef PURIFY |
| 900 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) |
| 901 | #define del_XPVLV(p) Safefree((char*)p) |
| 902 | #else |
| 903 | #define new_XPVLV() (void*)new_xpvlv() |
| 904 | #define del_XPVLV(p) del_xpvlv((XPVLV *)p) |
| 905 | #endif |
| 906 | |
| 907 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) |
| 908 | #define del_XPVGV(p) my_safefree((char*)p) |
| 909 | |
| 910 | #ifdef PURIFY |
| 911 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) |
| 912 | #define del_XPVBM(p) Safefree((char*)p) |
| 913 | #else |
| 914 | #define new_XPVBM() (void*)new_xpvbm() |
| 915 | #define del_XPVBM(p) del_xpvbm((XPVBM *)p) |
| 916 | #endif |
| 917 | |
| 918 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) |
| 919 | #define del_XPVFM(p) my_safefree((char*)p) |
| 920 | |
| 921 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) |
| 922 | #define del_XPVIO(p) my_safefree((char*)p) |
| 923 | |
| 924 | bool |
| 925 | Perl_sv_upgrade(pTHX_ register SV *sv, U32 mt) |
| 926 | { |
| 927 | char* pv; |
| 928 | U32 cur; |
| 929 | U32 len; |
| 930 | IV iv; |
| 931 | NV nv; |
| 932 | MAGIC* magic; |
| 933 | HV* stash; |
| 934 | |
| 935 | if (SvTYPE(sv) == mt) |
| 936 | return TRUE; |
| 937 | |
| 938 | if (mt < SVt_PVIV) |
| 939 | (void)SvOOK_off(sv); |
| 940 | |
| 941 | switch (SvTYPE(sv)) { |
| 942 | case SVt_NULL: |
| 943 | pv = 0; |
| 944 | cur = 0; |
| 945 | len = 0; |
| 946 | iv = 0; |
| 947 | nv = 0.0; |
| 948 | magic = 0; |
| 949 | stash = 0; |
| 950 | break; |
| 951 | case SVt_IV: |
| 952 | pv = 0; |
| 953 | cur = 0; |
| 954 | len = 0; |
| 955 | iv = SvIVX(sv); |
| 956 | nv = (NV)SvIVX(sv); |
| 957 | del_XIV(SvANY(sv)); |
| 958 | magic = 0; |
| 959 | stash = 0; |
| 960 | if (mt == SVt_NV) |
| 961 | mt = SVt_PVNV; |
| 962 | else if (mt < SVt_PVIV) |
| 963 | mt = SVt_PVIV; |
| 964 | break; |
| 965 | case SVt_NV: |
| 966 | pv = 0; |
| 967 | cur = 0; |
| 968 | len = 0; |
| 969 | nv = SvNVX(sv); |
| 970 | iv = I_V(nv); |
| 971 | magic = 0; |
| 972 | stash = 0; |
| 973 | del_XNV(SvANY(sv)); |
| 974 | SvANY(sv) = 0; |
| 975 | if (mt < SVt_PVNV) |
| 976 | mt = SVt_PVNV; |
| 977 | break; |
| 978 | case SVt_RV: |
| 979 | pv = (char*)SvRV(sv); |
| 980 | cur = 0; |
| 981 | len = 0; |
| 982 | iv = PTR2IV(pv); |
| 983 | nv = PTR2NV(pv); |
| 984 | del_XRV(SvANY(sv)); |
| 985 | magic = 0; |
| 986 | stash = 0; |
| 987 | break; |
| 988 | case SVt_PV: |
| 989 | pv = SvPVX(sv); |
| 990 | cur = SvCUR(sv); |
| 991 | len = SvLEN(sv); |
| 992 | iv = 0; |
| 993 | nv = 0.0; |
| 994 | magic = 0; |
| 995 | stash = 0; |
| 996 | del_XPV(SvANY(sv)); |
| 997 | if (mt <= SVt_IV) |
| 998 | mt = SVt_PVIV; |
| 999 | else if (mt == SVt_NV) |
| 1000 | mt = SVt_PVNV; |
| 1001 | break; |
| 1002 | case SVt_PVIV: |
| 1003 | pv = SvPVX(sv); |
| 1004 | cur = SvCUR(sv); |
| 1005 | len = SvLEN(sv); |
| 1006 | iv = SvIVX(sv); |
| 1007 | nv = 0.0; |
| 1008 | magic = 0; |
| 1009 | stash = 0; |
| 1010 | del_XPVIV(SvANY(sv)); |
| 1011 | break; |
| 1012 | case SVt_PVNV: |
| 1013 | pv = SvPVX(sv); |
| 1014 | cur = SvCUR(sv); |
| 1015 | len = SvLEN(sv); |
| 1016 | iv = SvIVX(sv); |
| 1017 | nv = SvNVX(sv); |
| 1018 | magic = 0; |
| 1019 | stash = 0; |
| 1020 | del_XPVNV(SvANY(sv)); |
| 1021 | break; |
| 1022 | case SVt_PVMG: |
| 1023 | pv = SvPVX(sv); |
| 1024 | cur = SvCUR(sv); |
| 1025 | len = SvLEN(sv); |
| 1026 | iv = SvIVX(sv); |
| 1027 | nv = SvNVX(sv); |
| 1028 | magic = SvMAGIC(sv); |
| 1029 | stash = SvSTASH(sv); |
| 1030 | del_XPVMG(SvANY(sv)); |
| 1031 | break; |
| 1032 | default: |
| 1033 | Perl_croak(aTHX_ "Can't upgrade that kind of scalar"); |
| 1034 | } |
| 1035 | |
| 1036 | switch (mt) { |
| 1037 | case SVt_NULL: |
| 1038 | Perl_croak(aTHX_ "Can't upgrade to undef"); |
| 1039 | case SVt_IV: |
| 1040 | SvANY(sv) = new_XIV(); |
| 1041 | SvIVX(sv) = iv; |
| 1042 | break; |
| 1043 | case SVt_NV: |
| 1044 | SvANY(sv) = new_XNV(); |
| 1045 | SvNVX(sv) = nv; |
| 1046 | break; |
| 1047 | case SVt_RV: |
| 1048 | SvANY(sv) = new_XRV(); |
| 1049 | SvRV(sv) = (SV*)pv; |
| 1050 | break; |
| 1051 | case SVt_PV: |
| 1052 | SvANY(sv) = new_XPV(); |
| 1053 | SvPVX(sv) = pv; |
| 1054 | SvCUR(sv) = cur; |
| 1055 | SvLEN(sv) = len; |
| 1056 | break; |
| 1057 | case SVt_PVIV: |
| 1058 | SvANY(sv) = new_XPVIV(); |
| 1059 | SvPVX(sv) = pv; |
| 1060 | SvCUR(sv) = cur; |
| 1061 | SvLEN(sv) = len; |
| 1062 | SvIVX(sv) = iv; |
| 1063 | if (SvNIOK(sv)) |
| 1064 | (void)SvIOK_on(sv); |
| 1065 | SvNOK_off(sv); |
| 1066 | break; |
| 1067 | case SVt_PVNV: |
| 1068 | SvANY(sv) = new_XPVNV(); |
| 1069 | SvPVX(sv) = pv; |
| 1070 | SvCUR(sv) = cur; |
| 1071 | SvLEN(sv) = len; |
| 1072 | SvIVX(sv) = iv; |
| 1073 | SvNVX(sv) = nv; |
| 1074 | break; |
| 1075 | case SVt_PVMG: |
| 1076 | SvANY(sv) = new_XPVMG(); |
| 1077 | SvPVX(sv) = pv; |
| 1078 | SvCUR(sv) = cur; |
| 1079 | SvLEN(sv) = len; |
| 1080 | SvIVX(sv) = iv; |
| 1081 | SvNVX(sv) = nv; |
| 1082 | SvMAGIC(sv) = magic; |
| 1083 | SvSTASH(sv) = stash; |
| 1084 | break; |
| 1085 | case SVt_PVLV: |
| 1086 | SvANY(sv) = new_XPVLV(); |
| 1087 | SvPVX(sv) = pv; |
| 1088 | SvCUR(sv) = cur; |
| 1089 | SvLEN(sv) = len; |
| 1090 | SvIVX(sv) = iv; |
| 1091 | SvNVX(sv) = nv; |
| 1092 | SvMAGIC(sv) = magic; |
| 1093 | SvSTASH(sv) = stash; |
| 1094 | LvTARGOFF(sv) = 0; |
| 1095 | LvTARGLEN(sv) = 0; |
| 1096 | LvTARG(sv) = 0; |
| 1097 | LvTYPE(sv) = 0; |
| 1098 | break; |
| 1099 | case SVt_PVAV: |
| 1100 | SvANY(sv) = new_XPVAV(); |
| 1101 | if (pv) |
| 1102 | Safefree(pv); |
| 1103 | SvPVX(sv) = 0; |
| 1104 | AvMAX(sv) = -1; |
| 1105 | AvFILLp(sv) = -1; |
| 1106 | SvIVX(sv) = 0; |
| 1107 | SvNVX(sv) = 0.0; |
| 1108 | SvMAGIC(sv) = magic; |
| 1109 | SvSTASH(sv) = stash; |
| 1110 | AvALLOC(sv) = 0; |
| 1111 | AvARYLEN(sv) = 0; |
| 1112 | AvFLAGS(sv) = 0; |
| 1113 | break; |
| 1114 | case SVt_PVHV: |
| 1115 | SvANY(sv) = new_XPVHV(); |
| 1116 | if (pv) |
| 1117 | Safefree(pv); |
| 1118 | SvPVX(sv) = 0; |
| 1119 | HvFILL(sv) = 0; |
| 1120 | HvMAX(sv) = 0; |
| 1121 | HvKEYS(sv) = 0; |
| 1122 | SvNVX(sv) = 0.0; |
| 1123 | SvMAGIC(sv) = magic; |
| 1124 | SvSTASH(sv) = stash; |
| 1125 | HvRITER(sv) = 0; |
| 1126 | HvEITER(sv) = 0; |
| 1127 | HvPMROOT(sv) = 0; |
| 1128 | HvNAME(sv) = 0; |
| 1129 | break; |
| 1130 | case SVt_PVCV: |
| 1131 | SvANY(sv) = new_XPVCV(); |
| 1132 | Zero(SvANY(sv), 1, XPVCV); |
| 1133 | SvPVX(sv) = pv; |
| 1134 | SvCUR(sv) = cur; |
| 1135 | SvLEN(sv) = len; |
| 1136 | SvIVX(sv) = iv; |
| 1137 | SvNVX(sv) = nv; |
| 1138 | SvMAGIC(sv) = magic; |
| 1139 | SvSTASH(sv) = stash; |
| 1140 | break; |
| 1141 | case SVt_PVGV: |
| 1142 | SvANY(sv) = new_XPVGV(); |
| 1143 | SvPVX(sv) = pv; |
| 1144 | SvCUR(sv) = cur; |
| 1145 | SvLEN(sv) = len; |
| 1146 | SvIVX(sv) = iv; |
| 1147 | SvNVX(sv) = nv; |
| 1148 | SvMAGIC(sv) = magic; |
| 1149 | SvSTASH(sv) = stash; |
| 1150 | GvGP(sv) = 0; |
| 1151 | GvNAME(sv) = 0; |
| 1152 | GvNAMELEN(sv) = 0; |
| 1153 | GvSTASH(sv) = 0; |
| 1154 | GvFLAGS(sv) = 0; |
| 1155 | break; |
| 1156 | case SVt_PVBM: |
| 1157 | SvANY(sv) = new_XPVBM(); |
| 1158 | SvPVX(sv) = pv; |
| 1159 | SvCUR(sv) = cur; |
| 1160 | SvLEN(sv) = len; |
| 1161 | SvIVX(sv) = iv; |
| 1162 | SvNVX(sv) = nv; |
| 1163 | SvMAGIC(sv) = magic; |
| 1164 | SvSTASH(sv) = stash; |
| 1165 | BmRARE(sv) = 0; |
| 1166 | BmUSEFUL(sv) = 0; |
| 1167 | BmPREVIOUS(sv) = 0; |
| 1168 | break; |
| 1169 | case SVt_PVFM: |
| 1170 | SvANY(sv) = new_XPVFM(); |
| 1171 | Zero(SvANY(sv), 1, XPVFM); |
| 1172 | SvPVX(sv) = pv; |
| 1173 | SvCUR(sv) = cur; |
| 1174 | SvLEN(sv) = len; |
| 1175 | SvIVX(sv) = iv; |
| 1176 | SvNVX(sv) = nv; |
| 1177 | SvMAGIC(sv) = magic; |
| 1178 | SvSTASH(sv) = stash; |
| 1179 | break; |
| 1180 | case SVt_PVIO: |
| 1181 | SvANY(sv) = new_XPVIO(); |
| 1182 | Zero(SvANY(sv), 1, XPVIO); |
| 1183 | SvPVX(sv) = pv; |
| 1184 | SvCUR(sv) = cur; |
| 1185 | SvLEN(sv) = len; |
| 1186 | SvIVX(sv) = iv; |
| 1187 | SvNVX(sv) = nv; |
| 1188 | SvMAGIC(sv) = magic; |
| 1189 | SvSTASH(sv) = stash; |
| 1190 | IoPAGE_LEN(sv) = 60; |
| 1191 | break; |
| 1192 | } |
| 1193 | SvFLAGS(sv) &= ~SVTYPEMASK; |
| 1194 | SvFLAGS(sv) |= mt; |
| 1195 | return TRUE; |
| 1196 | } |
| 1197 | |
| 1198 | int |
| 1199 | Perl_sv_backoff(pTHX_ register SV *sv) |
| 1200 | { |
| 1201 | assert(SvOOK(sv)); |
| 1202 | if (SvIVX(sv)) { |
| 1203 | char *s = SvPVX(sv); |
| 1204 | SvLEN(sv) += SvIVX(sv); |
| 1205 | SvPVX(sv) -= SvIVX(sv); |
| 1206 | SvIV_set(sv, 0); |
| 1207 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
| 1208 | } |
| 1209 | SvFLAGS(sv) &= ~SVf_OOK; |
| 1210 | return 0; |
| 1211 | } |
| 1212 | |
| 1213 | char * |
| 1214 | Perl_sv_grow(pTHX_ register SV *sv, register STRLEN newlen) |
| 1215 | { |
| 1216 | register char *s; |
| 1217 | |
| 1218 | #ifdef HAS_64K_LIMIT |
| 1219 | if (newlen >= 0x10000) { |
| 1220 | PerlIO_printf(Perl_debug_log, |
| 1221 | "Allocation too large: %"UVxf"\n", (UV)newlen); |
| 1222 | my_exit(1); |
| 1223 | } |
| 1224 | #endif /* HAS_64K_LIMIT */ |
| 1225 | if (SvROK(sv)) |
| 1226 | sv_unref(sv); |
| 1227 | if (SvTYPE(sv) < SVt_PV) { |
| 1228 | sv_upgrade(sv, SVt_PV); |
| 1229 | s = SvPVX(sv); |
| 1230 | } |
| 1231 | else if (SvOOK(sv)) { /* pv is offset? */ |
| 1232 | sv_backoff(sv); |
| 1233 | s = SvPVX(sv); |
| 1234 | if (newlen > SvLEN(sv)) |
| 1235 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ |
| 1236 | #ifdef HAS_64K_LIMIT |
| 1237 | if (newlen >= 0x10000) |
| 1238 | newlen = 0xFFFF; |
| 1239 | #endif |
| 1240 | } |
| 1241 | else |
| 1242 | s = SvPVX(sv); |
| 1243 | if (newlen > SvLEN(sv)) { /* need more room? */ |
| 1244 | if (SvLEN(sv) && s) { |
| 1245 | #if defined(MYMALLOC) && !defined(PURIFY) && !defined(LEAKTEST) |
| 1246 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
| 1247 | if (newlen <= l) { |
| 1248 | SvLEN_set(sv, l); |
| 1249 | return s; |
| 1250 | } else |
| 1251 | #endif |
| 1252 | Renew(s,newlen,char); |
| 1253 | } |
| 1254 | else |
| 1255 | New(703,s,newlen,char); |
| 1256 | SvPV_set(sv, s); |
| 1257 | SvLEN_set(sv, newlen); |
| 1258 | } |
| 1259 | return s; |
| 1260 | } |
| 1261 | |
| 1262 | void |
| 1263 | Perl_sv_setiv(pTHX_ register SV *sv, IV i) |
| 1264 | { |
| 1265 | SV_CHECK_THINKFIRST(sv); |
| 1266 | switch (SvTYPE(sv)) { |
| 1267 | case SVt_NULL: |
| 1268 | sv_upgrade(sv, SVt_IV); |
| 1269 | break; |
| 1270 | case SVt_NV: |
| 1271 | sv_upgrade(sv, SVt_PVNV); |
| 1272 | break; |
| 1273 | case SVt_RV: |
| 1274 | case SVt_PV: |
| 1275 | sv_upgrade(sv, SVt_PVIV); |
| 1276 | break; |
| 1277 | |
| 1278 | case SVt_PVGV: |
| 1279 | case SVt_PVAV: |
| 1280 | case SVt_PVHV: |
| 1281 | case SVt_PVCV: |
| 1282 | case SVt_PVFM: |
| 1283 | case SVt_PVIO: |
| 1284 | { |
| 1285 | dTHR; |
| 1286 | Perl_croak(aTHX_ "Can't coerce %s to integer in %s", sv_reftype(sv,0), |
| 1287 | PL_op_desc[PL_op->op_type]); |
| 1288 | } |
| 1289 | } |
| 1290 | (void)SvIOK_only(sv); /* validate number */ |
| 1291 | SvIVX(sv) = i; |
| 1292 | SvTAINT(sv); |
| 1293 | } |
| 1294 | |
| 1295 | void |
| 1296 | Perl_sv_setiv_mg(pTHX_ register SV *sv, IV i) |
| 1297 | { |
| 1298 | sv_setiv(sv,i); |
| 1299 | SvSETMAGIC(sv); |
| 1300 | } |
| 1301 | |
| 1302 | void |
| 1303 | Perl_sv_setuv(pTHX_ register SV *sv, UV u) |
| 1304 | { |
| 1305 | sv_setiv(sv, 0); |
| 1306 | SvIsUV_on(sv); |
| 1307 | SvUVX(sv) = u; |
| 1308 | } |
| 1309 | |
| 1310 | void |
| 1311 | Perl_sv_setuv_mg(pTHX_ register SV *sv, UV u) |
| 1312 | { |
| 1313 | sv_setuv(sv,u); |
| 1314 | SvSETMAGIC(sv); |
| 1315 | } |
| 1316 | |
| 1317 | void |
| 1318 | Perl_sv_setnv(pTHX_ register SV *sv, NV num) |
| 1319 | { |
| 1320 | SV_CHECK_THINKFIRST(sv); |
| 1321 | switch (SvTYPE(sv)) { |
| 1322 | case SVt_NULL: |
| 1323 | case SVt_IV: |
| 1324 | sv_upgrade(sv, SVt_NV); |
| 1325 | break; |
| 1326 | case SVt_RV: |
| 1327 | case SVt_PV: |
| 1328 | case SVt_PVIV: |
| 1329 | sv_upgrade(sv, SVt_PVNV); |
| 1330 | break; |
| 1331 | |
| 1332 | case SVt_PVGV: |
| 1333 | case SVt_PVAV: |
| 1334 | case SVt_PVHV: |
| 1335 | case SVt_PVCV: |
| 1336 | case SVt_PVFM: |
| 1337 | case SVt_PVIO: |
| 1338 | { |
| 1339 | dTHR; |
| 1340 | Perl_croak(aTHX_ "Can't coerce %s to number in %s", sv_reftype(sv,0), |
| 1341 | PL_op_name[PL_op->op_type]); |
| 1342 | } |
| 1343 | } |
| 1344 | SvNVX(sv) = num; |
| 1345 | (void)SvNOK_only(sv); /* validate number */ |
| 1346 | SvTAINT(sv); |
| 1347 | } |
| 1348 | |
| 1349 | void |
| 1350 | Perl_sv_setnv_mg(pTHX_ register SV *sv, NV num) |
| 1351 | { |
| 1352 | sv_setnv(sv,num); |
| 1353 | SvSETMAGIC(sv); |
| 1354 | } |
| 1355 | |
| 1356 | STATIC void |
| 1357 | S_not_a_number(pTHX_ SV *sv) |
| 1358 | { |
| 1359 | dTHR; |
| 1360 | char tmpbuf[64]; |
| 1361 | char *d = tmpbuf; |
| 1362 | char *s; |
| 1363 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
| 1364 | /* each *s can expand to 4 chars + "...\0", |
| 1365 | i.e. need room for 8 chars */ |
| 1366 | |
| 1367 | for (s = SvPVX(sv); *s && d < limit; s++) { |
| 1368 | int ch = *s & 0xFF; |
| 1369 | if (ch & 128 && !isPRINT_LC(ch)) { |
| 1370 | *d++ = 'M'; |
| 1371 | *d++ = '-'; |
| 1372 | ch &= 127; |
| 1373 | } |
| 1374 | if (ch == '\n') { |
| 1375 | *d++ = '\\'; |
| 1376 | *d++ = 'n'; |
| 1377 | } |
| 1378 | else if (ch == '\r') { |
| 1379 | *d++ = '\\'; |
| 1380 | *d++ = 'r'; |
| 1381 | } |
| 1382 | else if (ch == '\f') { |
| 1383 | *d++ = '\\'; |
| 1384 | *d++ = 'f'; |
| 1385 | } |
| 1386 | else if (ch == '\\') { |
| 1387 | *d++ = '\\'; |
| 1388 | *d++ = '\\'; |
| 1389 | } |
| 1390 | else if (isPRINT_LC(ch)) |
| 1391 | *d++ = ch; |
| 1392 | else { |
| 1393 | *d++ = '^'; |
| 1394 | *d++ = toCTRL(ch); |
| 1395 | } |
| 1396 | } |
| 1397 | if (*s) { |
| 1398 | *d++ = '.'; |
| 1399 | *d++ = '.'; |
| 1400 | *d++ = '.'; |
| 1401 | } |
| 1402 | *d = '\0'; |
| 1403 | |
| 1404 | if (PL_op) |
| 1405 | Perl_warner(aTHX_ WARN_NUMERIC, |
| 1406 | "Argument \"%s\" isn't numeric in %s", tmpbuf, |
| 1407 | PL_op_desc[PL_op->op_type]); |
| 1408 | else |
| 1409 | Perl_warner(aTHX_ WARN_NUMERIC, |
| 1410 | "Argument \"%s\" isn't numeric", tmpbuf); |
| 1411 | } |
| 1412 | |
| 1413 | /* the number can be converted to integer with atol() or atoll() */ |
| 1414 | #define IS_NUMBER_TO_INT_BY_ATOL 0x01 |
| 1415 | #define IS_NUMBER_TO_INT_BY_ATOF 0x02 /* atol() may be != atof() */ |
| 1416 | #define IS_NUMBER_NOT_IV 0x04 /* (IV)atof() may be != atof() */ |
| 1417 | #define IS_NUMBER_NEG 0x08 /* not good to cache UV */ |
| 1418 | |
| 1419 | /* Actually, ISO C leaves conversion of UV to IV undefined, but |
| 1420 | until proven guilty, assume that things are not that bad... */ |
| 1421 | |
| 1422 | IV |
| 1423 | Perl_sv_2iv(pTHX_ register SV *sv) |
| 1424 | { |
| 1425 | if (!sv) |
| 1426 | return 0; |
| 1427 | if (SvGMAGICAL(sv)) { |
| 1428 | mg_get(sv); |
| 1429 | if (SvIOKp(sv)) |
| 1430 | return SvIVX(sv); |
| 1431 | if (SvNOKp(sv)) { |
| 1432 | return I_V(SvNVX(sv)); |
| 1433 | } |
| 1434 | if (SvPOKp(sv) && SvLEN(sv)) |
| 1435 | return asIV(sv); |
| 1436 | if (!SvROK(sv)) { |
| 1437 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
| 1438 | dTHR; |
| 1439 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
| 1440 | report_uninit(); |
| 1441 | } |
| 1442 | return 0; |
| 1443 | } |
| 1444 | } |
| 1445 | if (SvTHINKFIRST(sv)) { |
| 1446 | if (SvROK(sv)) { |
| 1447 | SV* tmpstr; |
| 1448 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) |
| 1449 | return SvIV(tmpstr); |
| 1450 | return PTR2IV(SvRV(sv)); |
| 1451 | } |
| 1452 | if (SvREADONLY(sv) && !SvOK(sv)) { |
| 1453 | dTHR; |
| 1454 | if (ckWARN(WARN_UNINITIALIZED)) |
| 1455 | report_uninit(); |
| 1456 | return 0; |
| 1457 | } |
| 1458 | } |
| 1459 | if (SvIOKp(sv)) { |
| 1460 | if (SvIsUV(sv)) { |
| 1461 | return (IV)(SvUVX(sv)); |
| 1462 | } |
| 1463 | else { |
| 1464 | return SvIVX(sv); |
| 1465 | } |
| 1466 | } |
| 1467 | if (SvNOKp(sv)) { |
| 1468 | /* We can cache the IV/UV value even if it not good enough |
| 1469 | * to reconstruct NV, since the conversion to PV will prefer |
| 1470 | * NV over IV/UV. |
| 1471 | */ |
| 1472 | |
| 1473 | if (SvTYPE(sv) == SVt_NV) |
| 1474 | sv_upgrade(sv, SVt_PVNV); |
| 1475 | |
| 1476 | (void)SvIOK_on(sv); |
| 1477 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
| 1478 | SvIVX(sv) = I_V(SvNVX(sv)); |
| 1479 | else { |
| 1480 | SvUVX(sv) = U_V(SvNVX(sv)); |
| 1481 | SvIsUV_on(sv); |
| 1482 | ret_iv_max: |
| 1483 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
| 1484 | "0x%"UVxf" 2iv(%"UVuf" => %"IVdf") (as unsigned)\n", |
| 1485 | PTR2UV(sv), |
| 1486 | SvUVX(sv), |
| 1487 | SvUVX(sv))); |
| 1488 | return (IV)SvUVX(sv); |
| 1489 | } |
| 1490 | } |
| 1491 | else if (SvPOKp(sv) && SvLEN(sv)) { |
| 1492 | I32 numtype = looks_like_number(sv); |
| 1493 | |
| 1494 | /* We want to avoid a possible problem when we cache an IV which |
| 1495 | may be later translated to an NV, and the resulting NV is not |
| 1496 | the translation of the initial data. |
| 1497 | |
| 1498 | This means that if we cache such an IV, we need to cache the |
| 1499 | NV as well. Moreover, we trade speed for space, and do not |
| 1500 | cache the NV if not needed. |
| 1501 | */ |
| 1502 | if (numtype & IS_NUMBER_NOT_IV) { |
| 1503 | /* May be not an integer. Need to cache NV if we cache IV |
| 1504 | * - otherwise future conversion to NV will be wrong. */ |
| 1505 | NV d; |
| 1506 | |
| 1507 | d = Atof(SvPVX(sv)); |
| 1508 | |
| 1509 | if (SvTYPE(sv) < SVt_PVNV) |
| 1510 | sv_upgrade(sv, SVt_PVNV); |
| 1511 | SvNVX(sv) = d; |
| 1512 | (void)SvNOK_on(sv); |
| 1513 | (void)SvIOK_on(sv); |
| 1514 | #if defined(USE_LONG_DOUBLE) |
| 1515 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", |
| 1516 | PTR2UV(sv), SvNVX(sv))); |
| 1517 | #else |
| 1518 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%g)\n", |
| 1519 | PTR2UV(sv), SvNVX(sv))); |
| 1520 | #endif |
| 1521 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
| 1522 | SvIVX(sv) = I_V(SvNVX(sv)); |
| 1523 | else { |
| 1524 | SvUVX(sv) = U_V(SvNVX(sv)); |
| 1525 | SvIsUV_on(sv); |
| 1526 | goto ret_iv_max; |
| 1527 | } |
| 1528 | } |
| 1529 | else if (numtype) { |
| 1530 | /* The NV may be reconstructed from IV - safe to cache IV, |
| 1531 | which may be calculated by atol(). */ |
| 1532 | if (SvTYPE(sv) == SVt_PV) |
| 1533 | sv_upgrade(sv, SVt_PVIV); |
| 1534 | (void)SvIOK_on(sv); |
| 1535 | SvIVX(sv) = Atol(SvPVX(sv)); |
| 1536 | } |
| 1537 | else { /* Not a number. Cache 0. */ |
| 1538 | dTHR; |
| 1539 | |
| 1540 | if (SvTYPE(sv) < SVt_PVIV) |
| 1541 | sv_upgrade(sv, SVt_PVIV); |
| 1542 | SvIVX(sv) = 0; |
| 1543 | (void)SvIOK_on(sv); |
| 1544 | if (ckWARN(WARN_NUMERIC)) |
| 1545 | not_a_number(sv); |
| 1546 | } |
| 1547 | } |
| 1548 | else { |
| 1549 | dTHR; |
| 1550 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
| 1551 | report_uninit(); |
| 1552 | if (SvTYPE(sv) < SVt_IV) |
| 1553 | /* Typically the caller expects that sv_any is not NULL now. */ |
| 1554 | sv_upgrade(sv, SVt_IV); |
| 1555 | return 0; |
| 1556 | } |
| 1557 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2iv(%"IVdf")\n", |
| 1558 | PTR2UV(sv),SvIVX(sv))); |
| 1559 | return SvIsUV(sv) ? (IV)SvUVX(sv) : SvIVX(sv); |
| 1560 | } |
| 1561 | |
| 1562 | UV |
| 1563 | Perl_sv_2uv(pTHX_ register SV *sv) |
| 1564 | { |
| 1565 | if (!sv) |
| 1566 | return 0; |
| 1567 | if (SvGMAGICAL(sv)) { |
| 1568 | mg_get(sv); |
| 1569 | if (SvIOKp(sv)) |
| 1570 | return SvUVX(sv); |
| 1571 | if (SvNOKp(sv)) |
| 1572 | return U_V(SvNVX(sv)); |
| 1573 | if (SvPOKp(sv) && SvLEN(sv)) |
| 1574 | return asUV(sv); |
| 1575 | if (!SvROK(sv)) { |
| 1576 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
| 1577 | dTHR; |
| 1578 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
| 1579 | report_uninit(); |
| 1580 | } |
| 1581 | return 0; |
| 1582 | } |
| 1583 | } |
| 1584 | if (SvTHINKFIRST(sv)) { |
| 1585 | if (SvROK(sv)) { |
| 1586 | SV* tmpstr; |
| 1587 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) |
| 1588 | return SvUV(tmpstr); |
| 1589 | return PTR2UV(SvRV(sv)); |
| 1590 | } |
| 1591 | if (SvREADONLY(sv) && !SvOK(sv)) { |
| 1592 | dTHR; |
| 1593 | if (ckWARN(WARN_UNINITIALIZED)) |
| 1594 | report_uninit(); |
| 1595 | return 0; |
| 1596 | } |
| 1597 | } |
| 1598 | if (SvIOKp(sv)) { |
| 1599 | if (SvIsUV(sv)) { |
| 1600 | return SvUVX(sv); |
| 1601 | } |
| 1602 | else { |
| 1603 | return (UV)SvIVX(sv); |
| 1604 | } |
| 1605 | } |
| 1606 | if (SvNOKp(sv)) { |
| 1607 | /* We can cache the IV/UV value even if it not good enough |
| 1608 | * to reconstruct NV, since the conversion to PV will prefer |
| 1609 | * NV over IV/UV. |
| 1610 | */ |
| 1611 | if (SvTYPE(sv) == SVt_NV) |
| 1612 | sv_upgrade(sv, SVt_PVNV); |
| 1613 | (void)SvIOK_on(sv); |
| 1614 | if (SvNVX(sv) >= -0.5) { |
| 1615 | SvIsUV_on(sv); |
| 1616 | SvUVX(sv) = U_V(SvNVX(sv)); |
| 1617 | } |
| 1618 | else { |
| 1619 | SvIVX(sv) = I_V(SvNVX(sv)); |
| 1620 | ret_zero: |
| 1621 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
| 1622 | "0x%"UVxf" 2uv(%"IVdf" => %"IVdf") (as signed)\n", |
| 1623 | PTR2UV(sv), |
| 1624 | SvIVX(sv), |
| 1625 | (IV)(UV)SvIVX(sv))); |
| 1626 | return (UV)SvIVX(sv); |
| 1627 | } |
| 1628 | } |
| 1629 | else if (SvPOKp(sv) && SvLEN(sv)) { |
| 1630 | I32 numtype = looks_like_number(sv); |
| 1631 | |
| 1632 | /* We want to avoid a possible problem when we cache a UV which |
| 1633 | may be later translated to an NV, and the resulting NV is not |
| 1634 | the translation of the initial data. |
| 1635 | |
| 1636 | This means that if we cache such a UV, we need to cache the |
| 1637 | NV as well. Moreover, we trade speed for space, and do not |
| 1638 | cache the NV if not needed. |
| 1639 | */ |
| 1640 | if (numtype & IS_NUMBER_NOT_IV) { |
| 1641 | /* May be not an integer. Need to cache NV if we cache IV |
| 1642 | * - otherwise future conversion to NV will be wrong. */ |
| 1643 | NV d; |
| 1644 | |
| 1645 | d = Atof(SvPVX(sv)); |
| 1646 | |
| 1647 | if (SvTYPE(sv) < SVt_PVNV) |
| 1648 | sv_upgrade(sv, SVt_PVNV); |
| 1649 | SvNVX(sv) = d; |
| 1650 | (void)SvNOK_on(sv); |
| 1651 | (void)SvIOK_on(sv); |
| 1652 | #if defined(USE_LONG_DOUBLE) |
| 1653 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
| 1654 | "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", |
| 1655 | PTR2UV(sv), SvNVX(sv))); |
| 1656 | #else |
| 1657 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
| 1658 | "0x%"UVxf" 2nv(%g)\n", |
| 1659 | PTR2UV(sv), SvNVX(sv))); |
| 1660 | #endif |
| 1661 | if (SvNVX(sv) < -0.5) { |
| 1662 | SvIVX(sv) = I_V(SvNVX(sv)); |
| 1663 | goto ret_zero; |
| 1664 | } else { |
| 1665 | SvUVX(sv) = U_V(SvNVX(sv)); |
| 1666 | SvIsUV_on(sv); |
| 1667 | } |
| 1668 | } |
| 1669 | else if (numtype & IS_NUMBER_NEG) { |
| 1670 | /* The NV may be reconstructed from IV - safe to cache IV, |
| 1671 | which may be calculated by atol(). */ |
| 1672 | if (SvTYPE(sv) == SVt_PV) |
| 1673 | sv_upgrade(sv, SVt_PVIV); |
| 1674 | (void)SvIOK_on(sv); |
| 1675 | SvIVX(sv) = (IV)Atol(SvPVX(sv)); |
| 1676 | } |
| 1677 | else if (numtype) { /* Non-negative */ |
| 1678 | /* The NV may be reconstructed from UV - safe to cache UV, |
| 1679 | which may be calculated by strtoul()/atol. */ |
| 1680 | if (SvTYPE(sv) == SVt_PV) |
| 1681 | sv_upgrade(sv, SVt_PVIV); |
| 1682 | (void)SvIOK_on(sv); |
| 1683 | (void)SvIsUV_on(sv); |
| 1684 | #ifdef HAS_STRTOUL |
| 1685 | SvUVX(sv) = Strtoul(SvPVX(sv), Null(char**), 10); |
| 1686 | #else /* no atou(), but we know the number fits into IV... */ |
| 1687 | /* The only problem may be if it is negative... */ |
| 1688 | SvUVX(sv) = (UV)Atol(SvPVX(sv)); |
| 1689 | #endif |
| 1690 | } |
| 1691 | else { /* Not a number. Cache 0. */ |
| 1692 | dTHR; |
| 1693 | |
| 1694 | if (SvTYPE(sv) < SVt_PVIV) |
| 1695 | sv_upgrade(sv, SVt_PVIV); |
| 1696 | SvUVX(sv) = 0; /* We assume that 0s have the |
| 1697 | same bitmap in IV and UV. */ |
| 1698 | (void)SvIOK_on(sv); |
| 1699 | (void)SvIsUV_on(sv); |
| 1700 | if (ckWARN(WARN_NUMERIC)) |
| 1701 | not_a_number(sv); |
| 1702 | } |
| 1703 | } |
| 1704 | else { |
| 1705 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
| 1706 | dTHR; |
| 1707 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
| 1708 | report_uninit(); |
| 1709 | } |
| 1710 | if (SvTYPE(sv) < SVt_IV) |
| 1711 | /* Typically the caller expects that sv_any is not NULL now. */ |
| 1712 | sv_upgrade(sv, SVt_IV); |
| 1713 | return 0; |
| 1714 | } |
| 1715 | |
| 1716 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2uv(%"UVuf")\n", |
| 1717 | PTR2UV(sv),SvUVX(sv))); |
| 1718 | return SvIsUV(sv) ? SvUVX(sv) : (UV)SvIVX(sv); |
| 1719 | } |
| 1720 | |
| 1721 | NV |
| 1722 | Perl_sv_2nv(pTHX_ register SV *sv) |
| 1723 | { |
| 1724 | if (!sv) |
| 1725 | return 0.0; |
| 1726 | if (SvGMAGICAL(sv)) { |
| 1727 | mg_get(sv); |
| 1728 | if (SvNOKp(sv)) |
| 1729 | return SvNVX(sv); |
| 1730 | if (SvPOKp(sv) && SvLEN(sv)) { |
| 1731 | dTHR; |
| 1732 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
| 1733 | not_a_number(sv); |
| 1734 | return Atof(SvPVX(sv)); |
| 1735 | } |
| 1736 | if (SvIOKp(sv)) { |
| 1737 | if (SvIsUV(sv)) |
| 1738 | return (NV)SvUVX(sv); |
| 1739 | else |
| 1740 | return (NV)SvIVX(sv); |
| 1741 | } |
| 1742 | if (!SvROK(sv)) { |
| 1743 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
| 1744 | dTHR; |
| 1745 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
| 1746 | report_uninit(); |
| 1747 | } |
| 1748 | return 0; |
| 1749 | } |
| 1750 | } |
| 1751 | if (SvTHINKFIRST(sv)) { |
| 1752 | if (SvROK(sv)) { |
| 1753 | SV* tmpstr; |
| 1754 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) |
| 1755 | return SvNV(tmpstr); |
| 1756 | return PTR2NV(SvRV(sv)); |
| 1757 | } |
| 1758 | if (SvREADONLY(sv) && !SvOK(sv)) { |
| 1759 | dTHR; |
| 1760 | if (ckWARN(WARN_UNINITIALIZED)) |
| 1761 | report_uninit(); |
| 1762 | return 0.0; |
| 1763 | } |
| 1764 | } |
| 1765 | if (SvTYPE(sv) < SVt_NV) { |
| 1766 | if (SvTYPE(sv) == SVt_IV) |
| 1767 | sv_upgrade(sv, SVt_PVNV); |
| 1768 | else |
| 1769 | sv_upgrade(sv, SVt_NV); |
| 1770 | #if defined(USE_LONG_DOUBLE) |
| 1771 | DEBUG_c({ |
| 1772 | RESTORE_NUMERIC_STANDARD(); |
| 1773 | PerlIO_printf(Perl_debug_log, |
| 1774 | "0x%"UVxf" num(%" PERL_PRIgldbl ")\n", |
| 1775 | PTR2UV(sv), SvNVX(sv)); |
| 1776 | RESTORE_NUMERIC_LOCAL(); |
| 1777 | }); |
| 1778 | #else |
| 1779 | DEBUG_c({ |
| 1780 | RESTORE_NUMERIC_STANDARD(); |
| 1781 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" num(%g)\n", |
| 1782 | PTR2UV(sv), SvNVX(sv)); |
| 1783 | RESTORE_NUMERIC_LOCAL(); |
| 1784 | }); |
| 1785 | #endif |
| 1786 | } |
| 1787 | else if (SvTYPE(sv) < SVt_PVNV) |
| 1788 | sv_upgrade(sv, SVt_PVNV); |
| 1789 | if (SvIOKp(sv) && |
| 1790 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) |
| 1791 | { |
| 1792 | SvNVX(sv) = SvIsUV(sv) ? (NV)SvUVX(sv) : (NV)SvIVX(sv); |
| 1793 | } |
| 1794 | else if (SvPOKp(sv) && SvLEN(sv)) { |
| 1795 | dTHR; |
| 1796 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
| 1797 | not_a_number(sv); |
| 1798 | SvNVX(sv) = Atof(SvPVX(sv)); |
| 1799 | } |
| 1800 | else { |
| 1801 | dTHR; |
| 1802 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
| 1803 | report_uninit(); |
| 1804 | if (SvTYPE(sv) < SVt_NV) |
| 1805 | /* Typically the caller expects that sv_any is not NULL now. */ |
| 1806 | sv_upgrade(sv, SVt_NV); |
| 1807 | return 0.0; |
| 1808 | } |
| 1809 | SvNOK_on(sv); |
| 1810 | #if defined(USE_LONG_DOUBLE) |
| 1811 | DEBUG_c({ |
| 1812 | RESTORE_NUMERIC_STANDARD(); |
| 1813 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", |
| 1814 | PTR2UV(sv), SvNVX(sv)); |
| 1815 | RESTORE_NUMERIC_LOCAL(); |
| 1816 | }); |
| 1817 | #else |
| 1818 | DEBUG_c({ |
| 1819 | RESTORE_NUMERIC_STANDARD(); |
| 1820 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" 1nv(%g)\n", |
| 1821 | PTR2UV(sv), SvNVX(sv)); |
| 1822 | RESTORE_NUMERIC_LOCAL(); |
| 1823 | }); |
| 1824 | #endif |
| 1825 | return SvNVX(sv); |
| 1826 | } |
| 1827 | |
| 1828 | STATIC IV |
| 1829 | S_asIV(pTHX_ SV *sv) |
| 1830 | { |
| 1831 | I32 numtype = looks_like_number(sv); |
| 1832 | NV d; |
| 1833 | |
| 1834 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
| 1835 | return Atol(SvPVX(sv)); |
| 1836 | if (!numtype) { |
| 1837 | dTHR; |
| 1838 | if (ckWARN(WARN_NUMERIC)) |
| 1839 | not_a_number(sv); |
| 1840 | } |
| 1841 | d = Atof(SvPVX(sv)); |
| 1842 | return I_V(d); |
| 1843 | } |
| 1844 | |
| 1845 | STATIC UV |
| 1846 | S_asUV(pTHX_ SV *sv) |
| 1847 | { |
| 1848 | I32 numtype = looks_like_number(sv); |
| 1849 | |
| 1850 | #ifdef HAS_STRTOUL |
| 1851 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
| 1852 | return Strtoul(SvPVX(sv), Null(char**), 10); |
| 1853 | #endif |
| 1854 | if (!numtype) { |
| 1855 | dTHR; |
| 1856 | if (ckWARN(WARN_NUMERIC)) |
| 1857 | not_a_number(sv); |
| 1858 | } |
| 1859 | return U_V(Atof(SvPVX(sv))); |
| 1860 | } |
| 1861 | |
| 1862 | /* |
| 1863 | * Returns a combination of (advisory only - can get false negatives) |
| 1864 | * IS_NUMBER_TO_INT_BY_ATOL, IS_NUMBER_TO_INT_BY_ATOF, IS_NUMBER_NOT_IV, |
| 1865 | * IS_NUMBER_NEG |
| 1866 | * 0 if does not look like number. |
| 1867 | * |
| 1868 | * In fact possible values are 0 and |
| 1869 | * IS_NUMBER_TO_INT_BY_ATOL 123 |
| 1870 | * IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV 123.1 |
| 1871 | * IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV 123e0 |
| 1872 | * with a possible addition of IS_NUMBER_NEG. |
| 1873 | */ |
| 1874 | |
| 1875 | I32 |
| 1876 | Perl_looks_like_number(pTHX_ SV *sv) |
| 1877 | { |
| 1878 | register char *s; |
| 1879 | register char *send; |
| 1880 | register char *sbegin; |
| 1881 | register char *nbegin; |
| 1882 | I32 numtype = 0; |
| 1883 | STRLEN len; |
| 1884 | |
| 1885 | if (SvPOK(sv)) { |
| 1886 | sbegin = SvPVX(sv); |
| 1887 | len = SvCUR(sv); |
| 1888 | } |
| 1889 | else if (SvPOKp(sv)) |
| 1890 | sbegin = SvPV(sv, len); |
| 1891 | else |
| 1892 | return 1; |
| 1893 | send = sbegin + len; |
| 1894 | |
| 1895 | s = sbegin; |
| 1896 | while (isSPACE(*s)) |
| 1897 | s++; |
| 1898 | if (*s == '-') { |
| 1899 | s++; |
| 1900 | numtype = IS_NUMBER_NEG; |
| 1901 | } |
| 1902 | else if (*s == '+') |
| 1903 | s++; |
| 1904 | |
| 1905 | nbegin = s; |
| 1906 | /* |
| 1907 | * we return IS_NUMBER_TO_INT_BY_ATOL if the number can be converted |
| 1908 | * to _integer_ with atol() and IS_NUMBER_TO_INT_BY_ATOF if you need |
| 1909 | * (int)atof(). |
| 1910 | */ |
| 1911 | |
| 1912 | /* next must be digit or the radix separator */ |
| 1913 | if (isDIGIT(*s)) { |
| 1914 | do { |
| 1915 | s++; |
| 1916 | } while (isDIGIT(*s)); |
| 1917 | |
| 1918 | if (s - nbegin >= TYPE_DIGITS(IV)) /* Cannot cache ato[ul]() */ |
| 1919 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; |
| 1920 | else |
| 1921 | numtype |= IS_NUMBER_TO_INT_BY_ATOL; |
| 1922 | |
| 1923 | if (*s == '.' |
| 1924 | #ifdef USE_LOCALE_NUMERIC |
| 1925 | || IS_NUMERIC_RADIX(*s) |
| 1926 | #endif |
| 1927 | ) { |
| 1928 | s++; |
| 1929 | numtype |= IS_NUMBER_NOT_IV; |
| 1930 | while (isDIGIT(*s)) /* optional digits after the radix */ |
| 1931 | s++; |
| 1932 | } |
| 1933 | } |
| 1934 | else if (*s == '.' |
| 1935 | #ifdef USE_LOCALE_NUMERIC |
| 1936 | || IS_NUMERIC_RADIX(*s) |
| 1937 | #endif |
| 1938 | ) { |
| 1939 | s++; |
| 1940 | numtype |= IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV; |
| 1941 | /* no digits before the radix means we need digits after it */ |
| 1942 | if (isDIGIT(*s)) { |
| 1943 | do { |
| 1944 | s++; |
| 1945 | } while (isDIGIT(*s)); |
| 1946 | } |
| 1947 | else |
| 1948 | return 0; |
| 1949 | } |
| 1950 | else |
| 1951 | return 0; |
| 1952 | |
| 1953 | /* we can have an optional exponent part */ |
| 1954 | if (*s == 'e' || *s == 'E') { |
| 1955 | numtype &= ~IS_NUMBER_NEG; |
| 1956 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; |
| 1957 | s++; |
| 1958 | if (*s == '+' || *s == '-') |
| 1959 | s++; |
| 1960 | if (isDIGIT(*s)) { |
| 1961 | do { |
| 1962 | s++; |
| 1963 | } while (isDIGIT(*s)); |
| 1964 | } |
| 1965 | else |
| 1966 | return 0; |
| 1967 | } |
| 1968 | while (isSPACE(*s)) |
| 1969 | s++; |
| 1970 | if (s >= send) |
| 1971 | return numtype; |
| 1972 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) |
| 1973 | return IS_NUMBER_TO_INT_BY_ATOL; |
| 1974 | return 0; |
| 1975 | } |
| 1976 | |
| 1977 | char * |
| 1978 | Perl_sv_2pv_nolen(pTHX_ register SV *sv) |
| 1979 | { |
| 1980 | STRLEN n_a; |
| 1981 | return sv_2pv(sv, &n_a); |
| 1982 | } |
| 1983 | |
| 1984 | /* We assume that buf is at least TYPE_CHARS(UV) long. */ |
| 1985 | static char * |
| 1986 | uiv_2buf(char *buf, IV iv, UV uv, int is_uv, char **peob) |
| 1987 | { |
| 1988 | STRLEN len; |
| 1989 | char *ptr = buf + TYPE_CHARS(UV); |
| 1990 | char *ebuf = ptr; |
| 1991 | int sign; |
| 1992 | char *p; |
| 1993 | |
| 1994 | if (is_uv) |
| 1995 | sign = 0; |
| 1996 | else if (iv >= 0) { |
| 1997 | uv = iv; |
| 1998 | sign = 0; |
| 1999 | } else { |
| 2000 | uv = -iv; |
| 2001 | sign = 1; |
| 2002 | } |
| 2003 | do { |
| 2004 | *--ptr = '0' + (uv % 10); |
| 2005 | } while (uv /= 10); |
| 2006 | if (sign) |
| 2007 | *--ptr = '-'; |
| 2008 | *peob = ebuf; |
| 2009 | return ptr; |
| 2010 | } |
| 2011 | |
| 2012 | char * |
| 2013 | Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp) |
| 2014 | { |
| 2015 | register char *s; |
| 2016 | int olderrno; |
| 2017 | SV *tsv; |
| 2018 | char tbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
| 2019 | char *tmpbuf = tbuf; |
| 2020 | |
| 2021 | if (!sv) { |
| 2022 | *lp = 0; |
| 2023 | return ""; |
| 2024 | } |
| 2025 | if (SvGMAGICAL(sv)) { |
| 2026 | mg_get(sv); |
| 2027 | if (SvPOKp(sv)) { |
| 2028 | *lp = SvCUR(sv); |
| 2029 | return SvPVX(sv); |
| 2030 | } |
| 2031 | if (SvIOKp(sv)) { |
| 2032 | if (SvIsUV(sv)) |
| 2033 | (void)sprintf(tmpbuf,"%"UVuf, (UV)SvUVX(sv)); |
| 2034 | else |
| 2035 | (void)sprintf(tmpbuf,"%"IVdf, (IV)SvIVX(sv)); |
| 2036 | tsv = Nullsv; |
| 2037 | goto tokensave; |
| 2038 | } |
| 2039 | if (SvNOKp(sv)) { |
| 2040 | Gconvert(SvNVX(sv), NV_DIG, 0, tmpbuf); |
| 2041 | tsv = Nullsv; |
| 2042 | goto tokensave; |
| 2043 | } |
| 2044 | if (!SvROK(sv)) { |
| 2045 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
| 2046 | dTHR; |
| 2047 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
| 2048 | report_uninit(); |
| 2049 | } |
| 2050 | *lp = 0; |
| 2051 | return ""; |
| 2052 | } |
| 2053 | } |
| 2054 | if (SvTHINKFIRST(sv)) { |
| 2055 | if (SvROK(sv)) { |
| 2056 | SV* tmpstr; |
| 2057 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) |
| 2058 | return SvPV(tmpstr,*lp); |
| 2059 | sv = (SV*)SvRV(sv); |
| 2060 | if (!sv) |
| 2061 | s = "NULLREF"; |
| 2062 | else { |
| 2063 | MAGIC *mg; |
| 2064 | |
| 2065 | switch (SvTYPE(sv)) { |
| 2066 | case SVt_PVMG: |
| 2067 | if ( ((SvFLAGS(sv) & |
| 2068 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) |
| 2069 | == (SVs_OBJECT|SVs_RMG)) |
| 2070 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
| 2071 | && (mg = mg_find(sv, 'r'))) { |
| 2072 | dTHR; |
| 2073 | regexp *re = (regexp *)mg->mg_obj; |
| 2074 | |
| 2075 | if (!mg->mg_ptr) { |
| 2076 | char *fptr = "msix"; |
| 2077 | char reflags[6]; |
| 2078 | char ch; |
| 2079 | int left = 0; |
| 2080 | int right = 4; |
| 2081 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; |
| 2082 | |
| 2083 | while(ch = *fptr++) { |
| 2084 | if(reganch & 1) { |
| 2085 | reflags[left++] = ch; |
| 2086 | } |
| 2087 | else { |
| 2088 | reflags[right--] = ch; |
| 2089 | } |
| 2090 | reganch >>= 1; |
| 2091 | } |
| 2092 | if(left != 4) { |
| 2093 | reflags[left] = '-'; |
| 2094 | left = 5; |
| 2095 | } |
| 2096 | |
| 2097 | mg->mg_len = re->prelen + 4 + left; |
| 2098 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); |
| 2099 | Copy("(?", mg->mg_ptr, 2, char); |
| 2100 | Copy(reflags, mg->mg_ptr+2, left, char); |
| 2101 | Copy(":", mg->mg_ptr+left+2, 1, char); |
| 2102 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); |
| 2103 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
| 2104 | mg->mg_ptr[mg->mg_len] = 0; |
| 2105 | } |
| 2106 | PL_reginterp_cnt += re->program[0].next_off; |
| 2107 | *lp = mg->mg_len; |
| 2108 | return mg->mg_ptr; |
| 2109 | } |
| 2110 | /* Fall through */ |
| 2111 | case SVt_NULL: |
| 2112 | case SVt_IV: |
| 2113 | case SVt_NV: |
| 2114 | case SVt_RV: |
| 2115 | case SVt_PV: |
| 2116 | case SVt_PVIV: |
| 2117 | case SVt_PVNV: |
| 2118 | case SVt_PVBM: s = "SCALAR"; break; |
| 2119 | case SVt_PVLV: s = "LVALUE"; break; |
| 2120 | case SVt_PVAV: s = "ARRAY"; break; |
| 2121 | case SVt_PVHV: s = "HASH"; break; |
| 2122 | case SVt_PVCV: s = "CODE"; break; |
| 2123 | case SVt_PVGV: s = "GLOB"; break; |
| 2124 | case SVt_PVFM: s = "FORMAT"; break; |
| 2125 | case SVt_PVIO: s = "IO"; break; |
| 2126 | default: s = "UNKNOWN"; break; |
| 2127 | } |
| 2128 | tsv = NEWSV(0,0); |
| 2129 | if (SvOBJECT(sv)) |
| 2130 | Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
| 2131 | else |
| 2132 | sv_setpv(tsv, s); |
| 2133 | Perl_sv_catpvf(aTHX_ tsv, "(0x%"UVxf")", PTR2UV(sv)); |
| 2134 | goto tokensaveref; |
| 2135 | } |
| 2136 | *lp = strlen(s); |
| 2137 | return s; |
| 2138 | } |
| 2139 | if (SvREADONLY(sv) && !SvOK(sv)) { |
| 2140 | dTHR; |
| 2141 | if (ckWARN(WARN_UNINITIALIZED)) |
| 2142 | report_uninit(); |
| 2143 | *lp = 0; |
| 2144 | return ""; |
| 2145 | } |
| 2146 | } |
| 2147 | if (SvNOKp(sv)) { /* See note in sv_2uv() */ |
| 2148 | /* XXXX 64-bit? IV may have better precision... */ |
| 2149 | /* I tried changing this for to be 64-bit-aware and |
| 2150 | * the t/op/numconvert.t became very, very, angry. |
| 2151 | * --jhi Sep 1999 */ |
| 2152 | if (SvTYPE(sv) < SVt_PVNV) |
| 2153 | sv_upgrade(sv, SVt_PVNV); |
| 2154 | SvGROW(sv, 28); |
| 2155 | s = SvPVX(sv); |
| 2156 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
| 2157 | #ifdef apollo |
| 2158 | if (SvNVX(sv) == 0.0) |
| 2159 | (void)strcpy(s,"0"); |
| 2160 | else |
| 2161 | #endif /*apollo*/ |
| 2162 | { |
| 2163 | Gconvert(SvNVX(sv), NV_DIG, 0, s); |
| 2164 | } |
| 2165 | errno = olderrno; |
| 2166 | #ifdef FIXNEGATIVEZERO |
| 2167 | if (*s == '-' && s[1] == '0' && !s[2]) |
| 2168 | strcpy(s,"0"); |
| 2169 | #endif |
| 2170 | while (*s) s++; |
| 2171 | #ifdef hcx |
| 2172 | if (s[-1] == '.') |
| 2173 | *--s = '\0'; |
| 2174 | #endif |
| 2175 | } |
| 2176 | else if (SvIOKp(sv)) { |
| 2177 | U32 isIOK = SvIOK(sv); |
| 2178 | U32 isUIOK = SvIsUV(sv); |
| 2179 | char buf[TYPE_CHARS(UV)]; |
| 2180 | char *ebuf, *ptr; |
| 2181 | |
| 2182 | if (SvTYPE(sv) < SVt_PVIV) |
| 2183 | sv_upgrade(sv, SVt_PVIV); |
| 2184 | if (isUIOK) |
| 2185 | ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf); |
| 2186 | else |
| 2187 | ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf); |
| 2188 | SvGROW(sv, ebuf - ptr + 1); /* inlined from sv_setpvn */ |
| 2189 | Move(ptr,SvPVX(sv),ebuf - ptr,char); |
| 2190 | SvCUR_set(sv, ebuf - ptr); |
| 2191 | s = SvEND(sv); |
| 2192 | *s = '\0'; |
| 2193 | if (isIOK) |
| 2194 | SvIOK_on(sv); |
| 2195 | else |
| 2196 | SvIOKp_on(sv); |
| 2197 | if (isUIOK) |
| 2198 | SvIsUV_on(sv); |
| 2199 | SvPOK_on(sv); |
| 2200 | } |
| 2201 | else { |
| 2202 | dTHR; |
| 2203 | if (ckWARN(WARN_UNINITIALIZED) |
| 2204 | && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
| 2205 | { |
| 2206 | report_uninit(); |
| 2207 | } |
| 2208 | *lp = 0; |
| 2209 | if (SvTYPE(sv) < SVt_PV) |
| 2210 | /* Typically the caller expects that sv_any is not NULL now. */ |
| 2211 | sv_upgrade(sv, SVt_PV); |
| 2212 | return ""; |
| 2213 | } |
| 2214 | *lp = s - SvPVX(sv); |
| 2215 | SvCUR_set(sv, *lp); |
| 2216 | SvPOK_on(sv); |
| 2217 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n", |
| 2218 | PTR2UV(sv),SvPVX(sv))); |
| 2219 | return SvPVX(sv); |
| 2220 | |
| 2221 | tokensave: |
| 2222 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ |
| 2223 | /* Sneaky stuff here */ |
| 2224 | |
| 2225 | tokensaveref: |
| 2226 | if (!tsv) |
| 2227 | tsv = newSVpv(tmpbuf, 0); |
| 2228 | sv_2mortal(tsv); |
| 2229 | *lp = SvCUR(tsv); |
| 2230 | return SvPVX(tsv); |
| 2231 | } |
| 2232 | else { |
| 2233 | STRLEN len; |
| 2234 | char *t; |
| 2235 | |
| 2236 | if (tsv) { |
| 2237 | sv_2mortal(tsv); |
| 2238 | t = SvPVX(tsv); |
| 2239 | len = SvCUR(tsv); |
| 2240 | } |
| 2241 | else { |
| 2242 | t = tmpbuf; |
| 2243 | len = strlen(tmpbuf); |
| 2244 | } |
| 2245 | #ifdef FIXNEGATIVEZERO |
| 2246 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
| 2247 | t = "0"; |
| 2248 | len = 1; |
| 2249 | } |
| 2250 | #endif |
| 2251 | (void)SvUPGRADE(sv, SVt_PV); |
| 2252 | *lp = len; |
| 2253 | s = SvGROW(sv, len + 1); |
| 2254 | SvCUR_set(sv, len); |
| 2255 | (void)strcpy(s, t); |
| 2256 | SvPOKp_on(sv); |
| 2257 | return s; |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | char * |
| 2262 | Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv) |
| 2263 | { |
| 2264 | return sv_2pv_nolen(sv); |
| 2265 | } |
| 2266 | |
| 2267 | char * |
| 2268 | Perl_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp) |
| 2269 | { |
| 2270 | return sv_2pv(sv,lp); |
| 2271 | } |
| 2272 | |
| 2273 | char * |
| 2274 | Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv) |
| 2275 | { |
| 2276 | return sv_2pv_nolen(sv); |
| 2277 | } |
| 2278 | |
| 2279 | char * |
| 2280 | Perl_sv_2pvutf8(pTHX_ register SV *sv, STRLEN *lp) |
| 2281 | { |
| 2282 | return sv_2pv(sv,lp); |
| 2283 | } |
| 2284 | |
| 2285 | /* This function is only called on magical items */ |
| 2286 | bool |
| 2287 | Perl_sv_2bool(pTHX_ register SV *sv) |
| 2288 | { |
| 2289 | if (SvGMAGICAL(sv)) |
| 2290 | mg_get(sv); |
| 2291 | |
| 2292 | if (!SvOK(sv)) |
| 2293 | return 0; |
| 2294 | if (SvROK(sv)) { |
| 2295 | dTHR; |
| 2296 | SV* tmpsv; |
| 2297 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) |
| 2298 | return SvTRUE(tmpsv); |
| 2299 | return SvRV(sv) != 0; |
| 2300 | } |
| 2301 | if (SvPOKp(sv)) { |
| 2302 | register XPV* Xpvtmp; |
| 2303 | if ((Xpvtmp = (XPV*)SvANY(sv)) && |
| 2304 | (*Xpvtmp->xpv_pv > '0' || |
| 2305 | Xpvtmp->xpv_cur > 1 || |
| 2306 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) |
| 2307 | return 1; |
| 2308 | else |
| 2309 | return 0; |
| 2310 | } |
| 2311 | else { |
| 2312 | if (SvIOKp(sv)) |
| 2313 | return SvIVX(sv) != 0; |
| 2314 | else { |
| 2315 | if (SvNOKp(sv)) |
| 2316 | return SvNVX(sv) != 0.0; |
| 2317 | else |
| 2318 | return FALSE; |
| 2319 | } |
| 2320 | } |
| 2321 | } |
| 2322 | |
| 2323 | /* Note: sv_setsv() should not be called with a source string that needs |
| 2324 | * to be reused, since it may destroy the source string if it is marked |
| 2325 | * as temporary. |
| 2326 | */ |
| 2327 | |
| 2328 | void |
| 2329 | Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr) |
| 2330 | { |
| 2331 | dTHR; |
| 2332 | register U32 sflags; |
| 2333 | register int dtype; |
| 2334 | register int stype; |
| 2335 | |
| 2336 | if (sstr == dstr) |
| 2337 | return; |
| 2338 | SV_CHECK_THINKFIRST(dstr); |
| 2339 | if (!sstr) |
| 2340 | sstr = &PL_sv_undef; |
| 2341 | stype = SvTYPE(sstr); |
| 2342 | dtype = SvTYPE(dstr); |
| 2343 | |
| 2344 | SvAMAGIC_off(dstr); |
| 2345 | |
| 2346 | /* There's a lot of redundancy below but we're going for speed here */ |
| 2347 | |
| 2348 | switch (stype) { |
| 2349 | case SVt_NULL: |
| 2350 | undef_sstr: |
| 2351 | if (dtype != SVt_PVGV) { |
| 2352 | (void)SvOK_off(dstr); |
| 2353 | return; |
| 2354 | } |
| 2355 | break; |
| 2356 | case SVt_IV: |
| 2357 | if (SvIOK(sstr)) { |
| 2358 | switch (dtype) { |
| 2359 | case SVt_NULL: |
| 2360 | sv_upgrade(dstr, SVt_IV); |
| 2361 | break; |
| 2362 | case SVt_NV: |
| 2363 | sv_upgrade(dstr, SVt_PVNV); |
| 2364 | break; |
| 2365 | case SVt_RV: |
| 2366 | case SVt_PV: |
| 2367 | sv_upgrade(dstr, SVt_PVIV); |
| 2368 | break; |
| 2369 | } |
| 2370 | (void)SvIOK_only(dstr); |
| 2371 | SvIVX(dstr) = SvIVX(sstr); |
| 2372 | if (SvIsUV(sstr)) |
| 2373 | SvIsUV_on(dstr); |
| 2374 | SvTAINT(dstr); |
| 2375 | return; |
| 2376 | } |
| 2377 | goto undef_sstr; |
| 2378 | |
| 2379 | case SVt_NV: |
| 2380 | if (SvNOK(sstr)) { |
| 2381 | switch (dtype) { |
| 2382 | case SVt_NULL: |
| 2383 | case SVt_IV: |
| 2384 | sv_upgrade(dstr, SVt_NV); |
| 2385 | break; |
| 2386 | case SVt_RV: |
| 2387 | case SVt_PV: |
| 2388 | case SVt_PVIV: |
| 2389 | sv_upgrade(dstr, SVt_PVNV); |
| 2390 | break; |
| 2391 | } |
| 2392 | SvNVX(dstr) = SvNVX(sstr); |
| 2393 | (void)SvNOK_only(dstr); |
| 2394 | SvTAINT(dstr); |
| 2395 | return; |
| 2396 | } |
| 2397 | goto undef_sstr; |
| 2398 | |
| 2399 | case SVt_RV: |
| 2400 | if (dtype < SVt_RV) |
| 2401 | sv_upgrade(dstr, SVt_RV); |
| 2402 | else if (dtype == SVt_PVGV && |
| 2403 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { |
| 2404 | sstr = SvRV(sstr); |
| 2405 | if (sstr == dstr) { |
| 2406 | if (GvIMPORTED(dstr) != GVf_IMPORTED |
| 2407 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2408 | { |
| 2409 | GvIMPORTED_on(dstr); |
| 2410 | } |
| 2411 | GvMULTI_on(dstr); |
| 2412 | return; |
| 2413 | } |
| 2414 | goto glob_assign; |
| 2415 | } |
| 2416 | break; |
| 2417 | case SVt_PV: |
| 2418 | case SVt_PVFM: |
| 2419 | if (dtype < SVt_PV) |
| 2420 | sv_upgrade(dstr, SVt_PV); |
| 2421 | break; |
| 2422 | case SVt_PVIV: |
| 2423 | if (dtype < SVt_PVIV) |
| 2424 | sv_upgrade(dstr, SVt_PVIV); |
| 2425 | break; |
| 2426 | case SVt_PVNV: |
| 2427 | if (dtype < SVt_PVNV) |
| 2428 | sv_upgrade(dstr, SVt_PVNV); |
| 2429 | break; |
| 2430 | case SVt_PVAV: |
| 2431 | case SVt_PVHV: |
| 2432 | case SVt_PVCV: |
| 2433 | case SVt_PVIO: |
| 2434 | if (PL_op) |
| 2435 | Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
| 2436 | PL_op_name[PL_op->op_type]); |
| 2437 | else |
| 2438 | Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0)); |
| 2439 | break; |
| 2440 | |
| 2441 | case SVt_PVGV: |
| 2442 | if (dtype <= SVt_PVGV) { |
| 2443 | glob_assign: |
| 2444 | if (dtype != SVt_PVGV) { |
| 2445 | char *name = GvNAME(sstr); |
| 2446 | STRLEN len = GvNAMELEN(sstr); |
| 2447 | sv_upgrade(dstr, SVt_PVGV); |
| 2448 | sv_magic(dstr, dstr, '*', name, len); |
| 2449 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
| 2450 | GvNAME(dstr) = savepvn(name, len); |
| 2451 | GvNAMELEN(dstr) = len; |
| 2452 | SvFAKE_on(dstr); /* can coerce to non-glob */ |
| 2453 | } |
| 2454 | /* ahem, death to those who redefine active sort subs */ |
| 2455 | else if (PL_curstackinfo->si_type == PERLSI_SORT |
| 2456 | && GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr))) |
| 2457 | Perl_croak(aTHX_ "Can't redefine active sort subroutine %s", |
| 2458 | GvNAME(dstr)); |
| 2459 | (void)SvOK_off(dstr); |
| 2460 | GvINTRO_off(dstr); /* one-shot flag */ |
| 2461 | gp_free((GV*)dstr); |
| 2462 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
| 2463 | SvTAINT(dstr); |
| 2464 | if (GvIMPORTED(dstr) != GVf_IMPORTED |
| 2465 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2466 | { |
| 2467 | GvIMPORTED_on(dstr); |
| 2468 | } |
| 2469 | GvMULTI_on(dstr); |
| 2470 | return; |
| 2471 | } |
| 2472 | /* FALL THROUGH */ |
| 2473 | |
| 2474 | default: |
| 2475 | if (SvGMAGICAL(sstr)) { |
| 2476 | mg_get(sstr); |
| 2477 | if (SvTYPE(sstr) != stype) { |
| 2478 | stype = SvTYPE(sstr); |
| 2479 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) |
| 2480 | goto glob_assign; |
| 2481 | } |
| 2482 | } |
| 2483 | if (stype == SVt_PVLV) |
| 2484 | (void)SvUPGRADE(dstr, SVt_PVNV); |
| 2485 | else |
| 2486 | (void)SvUPGRADE(dstr, stype); |
| 2487 | } |
| 2488 | |
| 2489 | sflags = SvFLAGS(sstr); |
| 2490 | |
| 2491 | if (sflags & SVf_ROK) { |
| 2492 | if (dtype >= SVt_PV) { |
| 2493 | if (dtype == SVt_PVGV) { |
| 2494 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
| 2495 | SV *dref = 0; |
| 2496 | int intro = GvINTRO(dstr); |
| 2497 | |
| 2498 | if (intro) { |
| 2499 | GP *gp; |
| 2500 | gp_free((GV*)dstr); |
| 2501 | GvINTRO_off(dstr); /* one-shot flag */ |
| 2502 | Newz(602,gp, 1, GP); |
| 2503 | GvGP(dstr) = gp_ref(gp); |
| 2504 | GvSV(dstr) = NEWSV(72,0); |
| 2505 | GvLINE(dstr) = CopLINE(PL_curcop); |
| 2506 | GvEGV(dstr) = (GV*)dstr; |
| 2507 | } |
| 2508 | GvMULTI_on(dstr); |
| 2509 | switch (SvTYPE(sref)) { |
| 2510 | case SVt_PVAV: |
| 2511 | if (intro) |
| 2512 | SAVESPTR(GvAV(dstr)); |
| 2513 | else |
| 2514 | dref = (SV*)GvAV(dstr); |
| 2515 | GvAV(dstr) = (AV*)sref; |
| 2516 | if (GvIMPORTED_AV_off(dstr) |
| 2517 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2518 | { |
| 2519 | GvIMPORTED_AV_on(dstr); |
| 2520 | } |
| 2521 | break; |
| 2522 | case SVt_PVHV: |
| 2523 | if (intro) |
| 2524 | SAVESPTR(GvHV(dstr)); |
| 2525 | else |
| 2526 | dref = (SV*)GvHV(dstr); |
| 2527 | GvHV(dstr) = (HV*)sref; |
| 2528 | if (GvIMPORTED_HV_off(dstr) |
| 2529 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2530 | { |
| 2531 | GvIMPORTED_HV_on(dstr); |
| 2532 | } |
| 2533 | break; |
| 2534 | case SVt_PVCV: |
| 2535 | if (intro) { |
| 2536 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { |
| 2537 | SvREFCNT_dec(GvCV(dstr)); |
| 2538 | GvCV(dstr) = Nullcv; |
| 2539 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
| 2540 | PL_sub_generation++; |
| 2541 | } |
| 2542 | SAVESPTR(GvCV(dstr)); |
| 2543 | } |
| 2544 | else |
| 2545 | dref = (SV*)GvCV(dstr); |
| 2546 | if (GvCV(dstr) != (CV*)sref) { |
| 2547 | CV* cv = GvCV(dstr); |
| 2548 | if (cv) { |
| 2549 | if (!GvCVGEN((GV*)dstr) && |
| 2550 | (CvROOT(cv) || CvXSUB(cv))) |
| 2551 | { |
| 2552 | SV *const_sv = cv_const_sv(cv); |
| 2553 | bool const_changed = TRUE; |
| 2554 | if(const_sv) |
| 2555 | const_changed = sv_cmp(const_sv, |
| 2556 | op_const_sv(CvSTART((CV*)sref), |
| 2557 | Nullcv)); |
| 2558 | /* ahem, death to those who redefine |
| 2559 | * active sort subs */ |
| 2560 | if (PL_curstackinfo->si_type == PERLSI_SORT && |
| 2561 | PL_sortcop == CvSTART(cv)) |
| 2562 | Perl_croak(aTHX_ |
| 2563 | "Can't redefine active sort subroutine %s", |
| 2564 | GvENAME((GV*)dstr)); |
| 2565 | if (ckWARN(WARN_REDEFINE) || (const_changed && const_sv)) { |
| 2566 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
| 2567 | && HvNAME(GvSTASH(CvGV(cv))) |
| 2568 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), |
| 2569 | "autouse"))) |
| 2570 | Perl_warner(aTHX_ WARN_REDEFINE, const_sv ? |
| 2571 | "Constant subroutine %s redefined" |
| 2572 | : "Subroutine %s redefined", |
| 2573 | GvENAME((GV*)dstr)); |
| 2574 | } |
| 2575 | } |
| 2576 | cv_ckproto(cv, (GV*)dstr, |
| 2577 | SvPOK(sref) ? SvPVX(sref) : Nullch); |
| 2578 | } |
| 2579 | GvCV(dstr) = (CV*)sref; |
| 2580 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
| 2581 | GvASSUMECV_on(dstr); |
| 2582 | PL_sub_generation++; |
| 2583 | } |
| 2584 | if (GvIMPORTED_CV_off(dstr) |
| 2585 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2586 | { |
| 2587 | GvIMPORTED_CV_on(dstr); |
| 2588 | } |
| 2589 | break; |
| 2590 | case SVt_PVIO: |
| 2591 | if (intro) |
| 2592 | SAVESPTR(GvIOp(dstr)); |
| 2593 | else |
| 2594 | dref = (SV*)GvIOp(dstr); |
| 2595 | GvIOp(dstr) = (IO*)sref; |
| 2596 | break; |
| 2597 | default: |
| 2598 | if (intro) |
| 2599 | SAVESPTR(GvSV(dstr)); |
| 2600 | else |
| 2601 | dref = (SV*)GvSV(dstr); |
| 2602 | GvSV(dstr) = sref; |
| 2603 | if (GvIMPORTED_SV_off(dstr) |
| 2604 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) |
| 2605 | { |
| 2606 | GvIMPORTED_SV_on(dstr); |
| 2607 | } |
| 2608 | break; |
| 2609 | } |
| 2610 | if (dref) |
| 2611 | SvREFCNT_dec(dref); |
| 2612 | if (intro) |
| 2613 | SAVEFREESV(sref); |
| 2614 | SvTAINT(dstr); |
| 2615 | return; |
| 2616 | } |
| 2617 | if (SvPVX(dstr)) { |
| 2618 | (void)SvOOK_off(dstr); /* backoff */ |
| 2619 | if (SvLEN(dstr)) |
| 2620 | Safefree(SvPVX(dstr)); |
| 2621 | SvLEN(dstr)=SvCUR(dstr)=0; |
| 2622 | } |
| 2623 | } |
| 2624 | (void)SvOK_off(dstr); |
| 2625 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
| 2626 | SvROK_on(dstr); |
| 2627 | if (sflags & SVp_NOK) { |
| 2628 | SvNOK_on(dstr); |
| 2629 | SvNVX(dstr) = SvNVX(sstr); |
| 2630 | } |
| 2631 | if (sflags & SVp_IOK) { |
| 2632 | (void)SvIOK_on(dstr); |
| 2633 | SvIVX(dstr) = SvIVX(sstr); |
| 2634 | if (SvIsUV(sstr)) |
| 2635 | SvIsUV_on(dstr); |
| 2636 | } |
| 2637 | if (SvAMAGIC(sstr)) { |
| 2638 | SvAMAGIC_on(dstr); |
| 2639 | } |
| 2640 | } |
| 2641 | else if (sflags & SVp_POK) { |
| 2642 | |
| 2643 | /* |
| 2644 | * Check to see if we can just swipe the string. If so, it's a |
| 2645 | * possible small lose on short strings, but a big win on long ones. |
| 2646 | * It might even be a win on short strings if SvPVX(dstr) |
| 2647 | * has to be allocated and SvPVX(sstr) has to be freed. |
| 2648 | */ |
| 2649 | |
| 2650 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
| 2651 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
| 2652 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
| 2653 | { |
| 2654 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
| 2655 | if (SvOOK(dstr)) { |
| 2656 | SvFLAGS(dstr) &= ~SVf_OOK; |
| 2657 | Safefree(SvPVX(dstr) - SvIVX(dstr)); |
| 2658 | } |
| 2659 | else if (SvLEN(dstr)) |
| 2660 | Safefree(SvPVX(dstr)); |
| 2661 | } |
| 2662 | (void)SvPOK_only(dstr); |
| 2663 | SvPV_set(dstr, SvPVX(sstr)); |
| 2664 | SvLEN_set(dstr, SvLEN(sstr)); |
| 2665 | SvCUR_set(dstr, SvCUR(sstr)); |
| 2666 | SvTEMP_off(dstr); |
| 2667 | (void)SvOK_off(sstr); |
| 2668 | SvPV_set(sstr, Nullch); |
| 2669 | SvLEN_set(sstr, 0); |
| 2670 | SvCUR_set(sstr, 0); |
| 2671 | SvTEMP_off(sstr); |
| 2672 | } |
| 2673 | else { /* have to copy actual string */ |
| 2674 | STRLEN len = SvCUR(sstr); |
| 2675 | |
| 2676 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ |
| 2677 | Move(SvPVX(sstr),SvPVX(dstr),len,char); |
| 2678 | SvCUR_set(dstr, len); |
| 2679 | *SvEND(dstr) = '\0'; |
| 2680 | (void)SvPOK_only(dstr); |
| 2681 | } |
| 2682 | if (SvUTF8(sstr)) |
| 2683 | SvUTF8_on(dstr); |
| 2684 | /*SUPPRESS 560*/ |
| 2685 | if (sflags & SVp_NOK) { |
| 2686 | SvNOK_on(dstr); |
| 2687 | SvNVX(dstr) = SvNVX(sstr); |
| 2688 | } |
| 2689 | if (sflags & SVp_IOK) { |
| 2690 | (void)SvIOK_on(dstr); |
| 2691 | SvIVX(dstr) = SvIVX(sstr); |
| 2692 | if (SvIsUV(sstr)) |
| 2693 | SvIsUV_on(dstr); |
| 2694 | } |
| 2695 | } |
| 2696 | else if (sflags & SVp_NOK) { |
| 2697 | SvNVX(dstr) = SvNVX(sstr); |
| 2698 | (void)SvNOK_only(dstr); |
| 2699 | if (SvIOK(sstr)) { |
| 2700 | (void)SvIOK_on(dstr); |
| 2701 | SvIVX(dstr) = SvIVX(sstr); |
| 2702 | /* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */ |
| 2703 | if (SvIsUV(sstr)) |
| 2704 | SvIsUV_on(dstr); |
| 2705 | } |
| 2706 | } |
| 2707 | else if (sflags & SVp_IOK) { |
| 2708 | (void)SvIOK_only(dstr); |
| 2709 | SvIVX(dstr) = SvIVX(sstr); |
| 2710 | if (SvIsUV(sstr)) |
| 2711 | SvIsUV_on(dstr); |
| 2712 | } |
| 2713 | else { |
| 2714 | if (dtype == SVt_PVGV) { |
| 2715 | if (ckWARN(WARN_UNSAFE)) |
| 2716 | Perl_warner(aTHX_ WARN_UNSAFE, "Undefined value assigned to typeglob"); |
| 2717 | } |
| 2718 | else |
| 2719 | (void)SvOK_off(dstr); |
| 2720 | } |
| 2721 | SvTAINT(dstr); |
| 2722 | } |
| 2723 | |
| 2724 | void |
| 2725 | Perl_sv_setsv_mg(pTHX_ SV *dstr, register SV *sstr) |
| 2726 | { |
| 2727 | sv_setsv(dstr,sstr); |
| 2728 | SvSETMAGIC(dstr); |
| 2729 | } |
| 2730 | |
| 2731 | void |
| 2732 | Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
| 2733 | { |
| 2734 | register char *dptr; |
| 2735 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
| 2736 | elicit a warning, but it won't hurt. */ |
| 2737 | SV_CHECK_THINKFIRST(sv); |
| 2738 | if (!ptr) { |
| 2739 | (void)SvOK_off(sv); |
| 2740 | return; |
| 2741 | } |
| 2742 | (void)SvUPGRADE(sv, SVt_PV); |
| 2743 | |
| 2744 | SvGROW(sv, len + 1); |
| 2745 | dptr = SvPVX(sv); |
| 2746 | Move(ptr,dptr,len,char); |
| 2747 | dptr[len] = '\0'; |
| 2748 | SvCUR_set(sv, len); |
| 2749 | (void)SvPOK_only(sv); /* validate pointer */ |
| 2750 | SvTAINT(sv); |
| 2751 | } |
| 2752 | |
| 2753 | void |
| 2754 | Perl_sv_setpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
| 2755 | { |
| 2756 | sv_setpvn(sv,ptr,len); |
| 2757 | SvSETMAGIC(sv); |
| 2758 | } |
| 2759 | |
| 2760 | void |
| 2761 | Perl_sv_setpv(pTHX_ register SV *sv, register const char *ptr) |
| 2762 | { |
| 2763 | register STRLEN len; |
| 2764 | |
| 2765 | SV_CHECK_THINKFIRST(sv); |
| 2766 | if (!ptr) { |
| 2767 | (void)SvOK_off(sv); |
| 2768 | return; |
| 2769 | } |
| 2770 | len = strlen(ptr); |
| 2771 | (void)SvUPGRADE(sv, SVt_PV); |
| 2772 | |
| 2773 | SvGROW(sv, len + 1); |
| 2774 | Move(ptr,SvPVX(sv),len+1,char); |
| 2775 | SvCUR_set(sv, len); |
| 2776 | (void)SvPOK_only(sv); /* validate pointer */ |
| 2777 | SvTAINT(sv); |
| 2778 | } |
| 2779 | |
| 2780 | void |
| 2781 | Perl_sv_setpv_mg(pTHX_ register SV *sv, register const char *ptr) |
| 2782 | { |
| 2783 | sv_setpv(sv,ptr); |
| 2784 | SvSETMAGIC(sv); |
| 2785 | } |
| 2786 | |
| 2787 | void |
| 2788 | Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
| 2789 | { |
| 2790 | SV_CHECK_THINKFIRST(sv); |
| 2791 | (void)SvUPGRADE(sv, SVt_PV); |
| 2792 | if (!ptr) { |
| 2793 | (void)SvOK_off(sv); |
| 2794 | return; |
| 2795 | } |
| 2796 | (void)SvOOK_off(sv); |
| 2797 | if (SvPVX(sv) && SvLEN(sv)) |
| 2798 | Safefree(SvPVX(sv)); |
| 2799 | Renew(ptr, len+1, char); |
| 2800 | SvPVX(sv) = ptr; |
| 2801 | SvCUR_set(sv, len); |
| 2802 | SvLEN_set(sv, len+1); |
| 2803 | *SvEND(sv) = '\0'; |
| 2804 | (void)SvPOK_only(sv); /* validate pointer */ |
| 2805 | SvTAINT(sv); |
| 2806 | } |
| 2807 | |
| 2808 | void |
| 2809 | Perl_sv_usepvn_mg(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
| 2810 | { |
| 2811 | sv_usepvn(sv,ptr,len); |
| 2812 | SvSETMAGIC(sv); |
| 2813 | } |
| 2814 | |
| 2815 | void |
| 2816 | Perl_sv_force_normal(pTHX_ register SV *sv) |
| 2817 | { |
| 2818 | if (SvREADONLY(sv)) { |
| 2819 | dTHR; |
| 2820 | if (PL_curcop != &PL_compiling) |
| 2821 | Perl_croak(aTHX_ PL_no_modify); |
| 2822 | } |
| 2823 | if (SvROK(sv)) |
| 2824 | sv_unref(sv); |
| 2825 | else if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) |
| 2826 | sv_unglob(sv); |
| 2827 | } |
| 2828 | |
| 2829 | void |
| 2830 | Perl_sv_chop(pTHX_ register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
| 2831 | |
| 2832 | |
| 2833 | { |
| 2834 | register STRLEN delta; |
| 2835 | |
| 2836 | if (!ptr || !SvPOKp(sv)) |
| 2837 | return; |
| 2838 | SV_CHECK_THINKFIRST(sv); |
| 2839 | if (SvTYPE(sv) < SVt_PVIV) |
| 2840 | sv_upgrade(sv,SVt_PVIV); |
| 2841 | |
| 2842 | if (!SvOOK(sv)) { |
| 2843 | if (!SvLEN(sv)) { /* make copy of shared string */ |
| 2844 | char *pvx = SvPVX(sv); |
| 2845 | STRLEN len = SvCUR(sv); |
| 2846 | SvGROW(sv, len + 1); |
| 2847 | Move(pvx,SvPVX(sv),len,char); |
| 2848 | *SvEND(sv) = '\0'; |
| 2849 | } |
| 2850 | SvIVX(sv) = 0; |
| 2851 | SvFLAGS(sv) |= SVf_OOK; |
| 2852 | } |
| 2853 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK|SVf_IVisUV); |
| 2854 | delta = ptr - SvPVX(sv); |
| 2855 | SvLEN(sv) -= delta; |
| 2856 | SvCUR(sv) -= delta; |
| 2857 | SvPVX(sv) += delta; |
| 2858 | SvIVX(sv) += delta; |
| 2859 | } |
| 2860 | |
| 2861 | void |
| 2862 | Perl_sv_catpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
| 2863 | { |
| 2864 | STRLEN tlen; |
| 2865 | char *junk; |
| 2866 | |
| 2867 | junk = SvPV_force(sv, tlen); |
| 2868 | SvGROW(sv, tlen + len + 1); |
| 2869 | if (ptr == junk) |
| 2870 | ptr = SvPVX(sv); |
| 2871 | Move(ptr,SvPVX(sv)+tlen,len,char); |
| 2872 | SvCUR(sv) += len; |
| 2873 | *SvEND(sv) = '\0'; |
| 2874 | (void)SvPOK_only(sv); /* validate pointer */ |
| 2875 | SvTAINT(sv); |
| 2876 | } |
| 2877 | |
| 2878 | void |
| 2879 | Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
| 2880 | { |
| 2881 | sv_catpvn(sv,ptr,len); |
| 2882 | SvSETMAGIC(sv); |
| 2883 | } |
| 2884 | |
| 2885 | void |
| 2886 | Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr) |
| 2887 | { |
| 2888 | char *s; |
| 2889 | STRLEN len; |
| 2890 | if (!sstr) |
| 2891 | return; |
| 2892 | if (s = SvPV(sstr, len)) |
| 2893 | sv_catpvn(dstr,s,len); |
| 2894 | } |
| 2895 | |
| 2896 | void |
| 2897 | Perl_sv_catsv_mg(pTHX_ SV *dstr, register SV *sstr) |
| 2898 | { |
| 2899 | sv_catsv(dstr,sstr); |
| 2900 | SvSETMAGIC(dstr); |
| 2901 | } |
| 2902 | |
| 2903 | void |
| 2904 | Perl_sv_catpv(pTHX_ register SV *sv, register const char *ptr) |
| 2905 | { |
| 2906 | register STRLEN len; |
| 2907 | STRLEN tlen; |
| 2908 | char *junk; |
| 2909 | |
| 2910 | if (!ptr) |
| 2911 | return; |
| 2912 | junk = SvPV_force(sv, tlen); |
| 2913 | len = strlen(ptr); |
| 2914 | SvGROW(sv, tlen + len + 1); |
| 2915 | if (ptr == junk) |
| 2916 | ptr = SvPVX(sv); |
| 2917 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
| 2918 | SvCUR(sv) += len; |
| 2919 | (void)SvPOK_only(sv); /* validate pointer */ |
| 2920 | SvTAINT(sv); |
| 2921 | } |
| 2922 | |
| 2923 | void |
| 2924 | Perl_sv_catpv_mg(pTHX_ register SV *sv, register const char *ptr) |
| 2925 | { |
| 2926 | sv_catpv(sv,ptr); |
| 2927 | SvSETMAGIC(sv); |
| 2928 | } |
| 2929 | |
| 2930 | SV * |
| 2931 | Perl_newSV(pTHX_ STRLEN len) |
| 2932 | { |
| 2933 | register SV *sv; |
| 2934 | |
| 2935 | new_SV(sv); |
| 2936 | if (len) { |
| 2937 | sv_upgrade(sv, SVt_PV); |
| 2938 | SvGROW(sv, len + 1); |
| 2939 | } |
| 2940 | return sv; |
| 2941 | } |
| 2942 | |
| 2943 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
| 2944 | |
| 2945 | void |
| 2946 | Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen) |
| 2947 | { |
| 2948 | MAGIC* mg; |
| 2949 | |
| 2950 | if (SvREADONLY(sv)) { |
| 2951 | dTHR; |
| 2952 | if (PL_curcop != &PL_compiling && !strchr("gBf", how)) |
| 2953 | Perl_croak(aTHX_ PL_no_modify); |
| 2954 | } |
| 2955 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
| 2956 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
| 2957 | if (how == 't') |
| 2958 | mg->mg_len |= 1; |
| 2959 | return; |
| 2960 | } |
| 2961 | } |
| 2962 | else { |
| 2963 | (void)SvUPGRADE(sv, SVt_PVMG); |
| 2964 | } |
| 2965 | Newz(702,mg, 1, MAGIC); |
| 2966 | mg->mg_moremagic = SvMAGIC(sv); |
| 2967 | |
| 2968 | SvMAGIC(sv) = mg; |
| 2969 | if (!obj || obj == sv || how == '#' || how == 'r') |
| 2970 | mg->mg_obj = obj; |
| 2971 | else { |
| 2972 | dTHR; |
| 2973 | mg->mg_obj = SvREFCNT_inc(obj); |
| 2974 | mg->mg_flags |= MGf_REFCOUNTED; |
| 2975 | } |
| 2976 | mg->mg_type = how; |
| 2977 | mg->mg_len = namlen; |
| 2978 | if (name) |
| 2979 | if (namlen >= 0) |
| 2980 | mg->mg_ptr = savepvn(name, namlen); |
| 2981 | else if (namlen == HEf_SVKEY) |
| 2982 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
| 2983 | |
| 2984 | switch (how) { |
| 2985 | case 0: |
| 2986 | mg->mg_virtual = &PL_vtbl_sv; |
| 2987 | break; |
| 2988 | case 'A': |
| 2989 | mg->mg_virtual = &PL_vtbl_amagic; |
| 2990 | break; |
| 2991 | case 'a': |
| 2992 | mg->mg_virtual = &PL_vtbl_amagicelem; |
| 2993 | break; |
| 2994 | case 'c': |
| 2995 | mg->mg_virtual = 0; |
| 2996 | break; |
| 2997 | case 'B': |
| 2998 | mg->mg_virtual = &PL_vtbl_bm; |
| 2999 | break; |
| 3000 | case 'D': |
| 3001 | mg->mg_virtual = &PL_vtbl_regdata; |
| 3002 | break; |
| 3003 | case 'd': |
| 3004 | mg->mg_virtual = &PL_vtbl_regdatum; |
| 3005 | break; |
| 3006 | case 'E': |
| 3007 | mg->mg_virtual = &PL_vtbl_env; |
| 3008 | break; |
| 3009 | case 'f': |
| 3010 | mg->mg_virtual = &PL_vtbl_fm; |
| 3011 | break; |
| 3012 | case 'e': |
| 3013 | mg->mg_virtual = &PL_vtbl_envelem; |
| 3014 | break; |
| 3015 | case 'g': |
| 3016 | mg->mg_virtual = &PL_vtbl_mglob; |
| 3017 | break; |
| 3018 | case 'I': |
| 3019 | mg->mg_virtual = &PL_vtbl_isa; |
| 3020 | break; |
| 3021 | case 'i': |
| 3022 | mg->mg_virtual = &PL_vtbl_isaelem; |
| 3023 | break; |
| 3024 | case 'k': |
| 3025 | mg->mg_virtual = &PL_vtbl_nkeys; |
| 3026 | break; |
| 3027 | case 'L': |
| 3028 | SvRMAGICAL_on(sv); |
| 3029 | mg->mg_virtual = 0; |
| 3030 | break; |
| 3031 | case 'l': |
| 3032 | mg->mg_virtual = &PL_vtbl_dbline; |
| 3033 | break; |
| 3034 | #ifdef USE_THREADS |
| 3035 | case 'm': |
| 3036 | mg->mg_virtual = &PL_vtbl_mutex; |
| 3037 | break; |
| 3038 | #endif /* USE_THREADS */ |
| 3039 | #ifdef USE_LOCALE_COLLATE |
| 3040 | case 'o': |
| 3041 | mg->mg_virtual = &PL_vtbl_collxfrm; |
| 3042 | break; |
| 3043 | #endif /* USE_LOCALE_COLLATE */ |
| 3044 | case 'P': |
| 3045 | mg->mg_virtual = &PL_vtbl_pack; |
| 3046 | break; |
| 3047 | case 'p': |
| 3048 | case 'q': |
| 3049 | mg->mg_virtual = &PL_vtbl_packelem; |
| 3050 | break; |
| 3051 | case 'r': |
| 3052 | mg->mg_virtual = &PL_vtbl_regexp; |
| 3053 | break; |
| 3054 | case 'S': |
| 3055 | mg->mg_virtual = &PL_vtbl_sig; |
| 3056 | break; |
| 3057 | case 's': |
| 3058 | mg->mg_virtual = &PL_vtbl_sigelem; |
| 3059 | break; |
| 3060 | case 't': |
| 3061 | mg->mg_virtual = &PL_vtbl_taint; |
| 3062 | mg->mg_len = 1; |
| 3063 | break; |
| 3064 | case 'U': |
| 3065 | mg->mg_virtual = &PL_vtbl_uvar; |
| 3066 | break; |
| 3067 | case 'v': |
| 3068 | mg->mg_virtual = &PL_vtbl_vec; |
| 3069 | break; |
| 3070 | case 'x': |
| 3071 | mg->mg_virtual = &PL_vtbl_substr; |
| 3072 | break; |
| 3073 | case 'y': |
| 3074 | mg->mg_virtual = &PL_vtbl_defelem; |
| 3075 | break; |
| 3076 | case '*': |
| 3077 | mg->mg_virtual = &PL_vtbl_glob; |
| 3078 | break; |
| 3079 | case '#': |
| 3080 | mg->mg_virtual = &PL_vtbl_arylen; |
| 3081 | break; |
| 3082 | case '.': |
| 3083 | mg->mg_virtual = &PL_vtbl_pos; |
| 3084 | break; |
| 3085 | case '<': |
| 3086 | mg->mg_virtual = &PL_vtbl_backref; |
| 3087 | break; |
| 3088 | case '~': /* Reserved for use by extensions not perl internals. */ |
| 3089 | /* Useful for attaching extension internal data to perl vars. */ |
| 3090 | /* Note that multiple extensions may clash if magical scalars */ |
| 3091 | /* etc holding private data from one are passed to another. */ |
| 3092 | SvRMAGICAL_on(sv); |
| 3093 | break; |
| 3094 | default: |
| 3095 | Perl_croak(aTHX_ "Don't know how to handle magic of type '%c'", how); |
| 3096 | } |
| 3097 | mg_magical(sv); |
| 3098 | if (SvGMAGICAL(sv)) |
| 3099 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
| 3100 | } |
| 3101 | |
| 3102 | int |
| 3103 | Perl_sv_unmagic(pTHX_ SV *sv, int type) |
| 3104 | { |
| 3105 | MAGIC* mg; |
| 3106 | MAGIC** mgp; |
| 3107 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
| 3108 | return 0; |
| 3109 | mgp = &SvMAGIC(sv); |
| 3110 | for (mg = *mgp; mg; mg = *mgp) { |
| 3111 | if (mg->mg_type == type) { |
| 3112 | MGVTBL* vtbl = mg->mg_virtual; |
| 3113 | *mgp = mg->mg_moremagic; |
| 3114 | if (vtbl && vtbl->svt_free) |
| 3115 | CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg); |
| 3116 | if (mg->mg_ptr && mg->mg_type != 'g') |
| 3117 | if (mg->mg_len >= 0) |
| 3118 | Safefree(mg->mg_ptr); |
| 3119 | else if (mg->mg_len == HEf_SVKEY) |
| 3120 | SvREFCNT_dec((SV*)mg->mg_ptr); |
| 3121 | if (mg->mg_flags & MGf_REFCOUNTED) |
| 3122 | SvREFCNT_dec(mg->mg_obj); |
| 3123 | Safefree(mg); |
| 3124 | } |
| 3125 | else |
| 3126 | mgp = &mg->mg_moremagic; |
| 3127 | } |
| 3128 | if (!SvMAGIC(sv)) { |
| 3129 | SvMAGICAL_off(sv); |
| 3130 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
| 3131 | } |
| 3132 | |
| 3133 | return 0; |
| 3134 | } |
| 3135 | |
| 3136 | SV * |
| 3137 | Perl_sv_rvweaken(pTHX_ SV *sv) |
| 3138 | { |
| 3139 | SV *tsv; |
| 3140 | if (!SvOK(sv)) /* let undefs pass */ |
| 3141 | return sv; |
| 3142 | if (!SvROK(sv)) |
| 3143 | Perl_croak(aTHX_ "Can't weaken a nonreference"); |
| 3144 | else if (SvWEAKREF(sv)) { |
| 3145 | dTHR; |
| 3146 | if (ckWARN(WARN_MISC)) |
| 3147 | Perl_warner(aTHX_ WARN_MISC, "Reference is already weak"); |
| 3148 | return sv; |
| 3149 | } |
| 3150 | tsv = SvRV(sv); |
| 3151 | sv_add_backref(tsv, sv); |
| 3152 | SvWEAKREF_on(sv); |
| 3153 | SvREFCNT_dec(tsv); |
| 3154 | return sv; |
| 3155 | } |
| 3156 | |
| 3157 | STATIC void |
| 3158 | S_sv_add_backref(pTHX_ SV *tsv, SV *sv) |
| 3159 | { |
| 3160 | AV *av; |
| 3161 | MAGIC *mg; |
| 3162 | if (SvMAGICAL(tsv) && (mg = mg_find(tsv, '<'))) |
| 3163 | av = (AV*)mg->mg_obj; |
| 3164 | else { |
| 3165 | av = newAV(); |
| 3166 | sv_magic(tsv, (SV*)av, '<', NULL, 0); |
| 3167 | SvREFCNT_dec(av); /* for sv_magic */ |
| 3168 | } |
| 3169 | av_push(av,sv); |
| 3170 | } |
| 3171 | |
| 3172 | STATIC void |
| 3173 | S_sv_del_backref(pTHX_ SV *sv) |
| 3174 | { |
| 3175 | AV *av; |
| 3176 | SV **svp; |
| 3177 | I32 i; |
| 3178 | SV *tsv = SvRV(sv); |
| 3179 | MAGIC *mg; |
| 3180 | if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, '<'))) |
| 3181 | Perl_croak(aTHX_ "panic: del_backref"); |
| 3182 | av = (AV *)mg->mg_obj; |
| 3183 | svp = AvARRAY(av); |
| 3184 | i = AvFILLp(av); |
| 3185 | while (i >= 0) { |
| 3186 | if (svp[i] == sv) { |
| 3187 | svp[i] = &PL_sv_undef; /* XXX */ |
| 3188 | } |
| 3189 | i--; |
| 3190 | } |
| 3191 | } |
| 3192 | |
| 3193 | void |
| 3194 | Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
| 3195 | { |
| 3196 | register char *big; |
| 3197 | register char *mid; |
| 3198 | register char *midend; |
| 3199 | register char *bigend; |
| 3200 | register I32 i; |
| 3201 | STRLEN curlen; |
| 3202 | |
| 3203 | |
| 3204 | if (!bigstr) |
| 3205 | Perl_croak(aTHX_ "Can't modify non-existent substring"); |
| 3206 | SvPV_force(bigstr, curlen); |
| 3207 | if (offset + len > curlen) { |
| 3208 | SvGROW(bigstr, offset+len+1); |
| 3209 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); |
| 3210 | SvCUR_set(bigstr, offset+len); |
| 3211 | } |
| 3212 | |
| 3213 | SvTAINT(bigstr); |
| 3214 | i = littlelen - len; |
| 3215 | if (i > 0) { /* string might grow */ |
| 3216 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
| 3217 | mid = big + offset + len; |
| 3218 | midend = bigend = big + SvCUR(bigstr); |
| 3219 | bigend += i; |
| 3220 | *bigend = '\0'; |
| 3221 | while (midend > mid) /* shove everything down */ |
| 3222 | *--bigend = *--midend; |
| 3223 | Move(little,big+offset,littlelen,char); |
| 3224 | SvCUR(bigstr) += i; |
| 3225 | SvSETMAGIC(bigstr); |
| 3226 | return; |
| 3227 | } |
| 3228 | else if (i == 0) { |
| 3229 | Move(little,SvPVX(bigstr)+offset,len,char); |
| 3230 | SvSETMAGIC(bigstr); |
| 3231 | return; |
| 3232 | } |
| 3233 | |
| 3234 | big = SvPVX(bigstr); |
| 3235 | mid = big + offset; |
| 3236 | midend = mid + len; |
| 3237 | bigend = big + SvCUR(bigstr); |
| 3238 | |
| 3239 | if (midend > bigend) |
| 3240 | Perl_croak(aTHX_ "panic: sv_insert"); |
| 3241 | |
| 3242 | if (mid - big > bigend - midend) { /* faster to shorten from end */ |
| 3243 | if (littlelen) { |
| 3244 | Move(little, mid, littlelen,char); |
| 3245 | mid += littlelen; |
| 3246 | } |
| 3247 | i = bigend - midend; |
| 3248 | if (i > 0) { |
| 3249 | Move(midend, mid, i,char); |
| 3250 | mid += i; |
| 3251 | } |
| 3252 | *mid = '\0'; |
| 3253 | SvCUR_set(bigstr, mid - big); |
| 3254 | } |
| 3255 | /*SUPPRESS 560*/ |
| 3256 | else if (i = mid - big) { /* faster from front */ |
| 3257 | midend -= littlelen; |
| 3258 | mid = midend; |
| 3259 | sv_chop(bigstr,midend-i); |
| 3260 | big += i; |
| 3261 | while (i--) |
| 3262 | *--midend = *--big; |
| 3263 | if (littlelen) |
| 3264 | Move(little, mid, littlelen,char); |
| 3265 | } |
| 3266 | else if (littlelen) { |
| 3267 | midend -= littlelen; |
| 3268 | sv_chop(bigstr,midend); |
| 3269 | Move(little,midend,littlelen,char); |
| 3270 | } |
| 3271 | else { |
| 3272 | sv_chop(bigstr,midend); |
| 3273 | } |
| 3274 | SvSETMAGIC(bigstr); |
| 3275 | } |
| 3276 | |
| 3277 | /* make sv point to what nstr did */ |
| 3278 | |
| 3279 | void |
| 3280 | Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv) |
| 3281 | { |
| 3282 | dTHR; |
| 3283 | U32 refcnt = SvREFCNT(sv); |
| 3284 | SV_CHECK_THINKFIRST(sv); |
| 3285 | if (SvREFCNT(nsv) != 1 && ckWARN_d(WARN_INTERNAL)) |
| 3286 | Perl_warner(aTHX_ WARN_INTERNAL, "Reference miscount in sv_replace()"); |
| 3287 | if (SvMAGICAL(sv)) { |
| 3288 | if (SvMAGICAL(nsv)) |
| 3289 | mg_free(nsv); |
| 3290 | else |
| 3291 | sv_upgrade(nsv, SVt_PVMG); |
| 3292 | SvMAGIC(nsv) = SvMAGIC(sv); |
| 3293 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
| 3294 | SvMAGICAL_off(sv); |
| 3295 | SvMAGIC(sv) = 0; |
| 3296 | } |
| 3297 | SvREFCNT(sv) = 0; |
| 3298 | sv_clear(sv); |
| 3299 | assert(!SvREFCNT(sv)); |
| 3300 | StructCopy(nsv,sv,SV); |
| 3301 | SvREFCNT(sv) = refcnt; |
| 3302 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
| 3303 | del_SV(nsv); |
| 3304 | } |
| 3305 | |
| 3306 | void |
| 3307 | Perl_sv_clear(pTHX_ register SV *sv) |
| 3308 | { |
| 3309 | HV* stash; |
| 3310 | assert(sv); |
| 3311 | assert(SvREFCNT(sv) == 0); |
| 3312 | |
| 3313 | if (SvOBJECT(sv)) { |
| 3314 | dTHR; |
| 3315 | if (PL_defstash) { /* Still have a symbol table? */ |
| 3316 | djSP; |
| 3317 | GV* destructor; |
| 3318 | SV tmpref; |
| 3319 | |
| 3320 | Zero(&tmpref, 1, SV); |
| 3321 | sv_upgrade(&tmpref, SVt_RV); |
| 3322 | SvROK_on(&tmpref); |
| 3323 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ |
| 3324 | SvREFCNT(&tmpref) = 1; |
| 3325 | |
| 3326 | do { |
| 3327 | stash = SvSTASH(sv); |
| 3328 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); |
| 3329 | if (destructor) { |
| 3330 | ENTER; |
| 3331 | PUSHSTACKi(PERLSI_DESTROY); |
| 3332 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
| 3333 | EXTEND(SP, 2); |
| 3334 | PUSHMARK(SP); |
| 3335 | PUSHs(&tmpref); |
| 3336 | PUTBACK; |
| 3337 | call_sv((SV*)GvCV(destructor), |
| 3338 | G_DISCARD|G_EVAL|G_KEEPERR); |
| 3339 | SvREFCNT(sv)--; |
| 3340 | POPSTACK; |
| 3341 | SPAGAIN; |
| 3342 | LEAVE; |
| 3343 | } |
| 3344 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); |
| 3345 | |
| 3346 | del_XRV(SvANY(&tmpref)); |
| 3347 | |
| 3348 | if (SvREFCNT(sv)) { |
| 3349 | if (PL_in_clean_objs) |
| 3350 | Perl_croak(aTHX_ "DESTROY created new reference to dead object '%s'", |
| 3351 | HvNAME(stash)); |
| 3352 | /* DESTROY gave object new lease on life */ |
| 3353 | return; |
| 3354 | } |
| 3355 | } |
| 3356 | |
| 3357 | if (SvOBJECT(sv)) { |
| 3358 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
| 3359 | SvOBJECT_off(sv); /* Curse the object. */ |
| 3360 | if (SvTYPE(sv) != SVt_PVIO) |
| 3361 | --PL_sv_objcount; /* XXX Might want something more general */ |
| 3362 | } |
| 3363 | } |
| 3364 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
| 3365 | mg_free(sv); |
| 3366 | stash = NULL; |
| 3367 | switch (SvTYPE(sv)) { |
| 3368 | case SVt_PVIO: |
| 3369 | if (IoIFP(sv) && |
| 3370 | IoIFP(sv) != PerlIO_stdin() && |
| 3371 | IoIFP(sv) != PerlIO_stdout() && |
| 3372 | IoIFP(sv) != PerlIO_stderr()) |
| 3373 | { |
| 3374 | io_close((IO*)sv, FALSE); |
| 3375 | } |
| 3376 | if (IoDIRP(sv) && !(IoFLAGS(sv) & IOf_FAKE_DIRP)) |
| 3377 | PerlDir_close(IoDIRP(sv)); |
| 3378 | IoDIRP(sv) = (DIR*)NULL; |
| 3379 | Safefree(IoTOP_NAME(sv)); |
| 3380 | Safefree(IoFMT_NAME(sv)); |
| 3381 | Safefree(IoBOTTOM_NAME(sv)); |
| 3382 | /* FALL THROUGH */ |
| 3383 | case SVt_PVBM: |
| 3384 | goto freescalar; |
| 3385 | case SVt_PVCV: |
| 3386 | case SVt_PVFM: |
| 3387 | cv_undef((CV*)sv); |
| 3388 | goto freescalar; |
| 3389 | case SVt_PVHV: |
| 3390 | hv_undef((HV*)sv); |
| 3391 | break; |
| 3392 | case SVt_PVAV: |
| 3393 | av_undef((AV*)sv); |
| 3394 | break; |
| 3395 | case SVt_PVLV: |
| 3396 | SvREFCNT_dec(LvTARG(sv)); |
| 3397 | goto freescalar; |
| 3398 | case SVt_PVGV: |
| 3399 | gp_free((GV*)sv); |
| 3400 | Safefree(GvNAME(sv)); |
| 3401 | /* cannot decrease stash refcount yet, as we might recursively delete |
| 3402 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec |
| 3403 | of stash until current sv is completely gone. |
| 3404 | -- JohnPC, 27 Mar 1998 */ |
| 3405 | stash = GvSTASH(sv); |
| 3406 | /* FALL THROUGH */ |
| 3407 | case SVt_PVMG: |
| 3408 | case SVt_PVNV: |
| 3409 | case SVt_PVIV: |
| 3410 | freescalar: |
| 3411 | (void)SvOOK_off(sv); |
| 3412 | /* FALL THROUGH */ |
| 3413 | case SVt_PV: |
| 3414 | case SVt_RV: |
| 3415 | if (SvROK(sv)) { |
| 3416 | if (SvWEAKREF(sv)) |
| 3417 | sv_del_backref(sv); |
| 3418 | else |
| 3419 | SvREFCNT_dec(SvRV(sv)); |
| 3420 | } |
| 3421 | else if (SvPVX(sv) && SvLEN(sv)) |
| 3422 | Safefree(SvPVX(sv)); |
| 3423 | break; |
| 3424 | /* |
| 3425 | case SVt_NV: |
| 3426 | case SVt_IV: |
| 3427 | case SVt_NULL: |
| 3428 | break; |
| 3429 | */ |
| 3430 | } |
| 3431 | |
| 3432 | switch (SvTYPE(sv)) { |
| 3433 | case SVt_NULL: |
| 3434 | break; |
| 3435 | case SVt_IV: |
| 3436 | del_XIV(SvANY(sv)); |
| 3437 | break; |
| 3438 | case SVt_NV: |
| 3439 | del_XNV(SvANY(sv)); |
| 3440 | break; |
| 3441 | case SVt_RV: |
| 3442 | del_XRV(SvANY(sv)); |
| 3443 | break; |
| 3444 | case SVt_PV: |
| 3445 | del_XPV(SvANY(sv)); |
| 3446 | break; |
| 3447 | case SVt_PVIV: |
| 3448 | del_XPVIV(SvANY(sv)); |
| 3449 | break; |
| 3450 | case SVt_PVNV: |
| 3451 | del_XPVNV(SvANY(sv)); |
| 3452 | break; |
| 3453 | case SVt_PVMG: |
| 3454 | del_XPVMG(SvANY(sv)); |
| 3455 | break; |
| 3456 | case SVt_PVLV: |
| 3457 | del_XPVLV(SvANY(sv)); |
| 3458 | break; |
| 3459 | case SVt_PVAV: |
| 3460 | del_XPVAV(SvANY(sv)); |
| 3461 | break; |
| 3462 | case SVt_PVHV: |
| 3463 | del_XPVHV(SvANY(sv)); |
| 3464 | break; |
| 3465 | case SVt_PVCV: |
| 3466 | del_XPVCV(SvANY(sv)); |
| 3467 | break; |
| 3468 | case SVt_PVGV: |
| 3469 | del_XPVGV(SvANY(sv)); |
| 3470 | /* code duplication for increased performance. */ |
| 3471 | SvFLAGS(sv) &= SVf_BREAK; |
| 3472 | SvFLAGS(sv) |= SVTYPEMASK; |
| 3473 | /* decrease refcount of the stash that owns this GV, if any */ |
| 3474 | if (stash) |
| 3475 | SvREFCNT_dec(stash); |
| 3476 | return; /* not break, SvFLAGS reset already happened */ |
| 3477 | case SVt_PVBM: |
| 3478 | del_XPVBM(SvANY(sv)); |
| 3479 | break; |
| 3480 | case SVt_PVFM: |
| 3481 | del_XPVFM(SvANY(sv)); |
| 3482 | break; |
| 3483 | case SVt_PVIO: |
| 3484 | del_XPVIO(SvANY(sv)); |
| 3485 | break; |
| 3486 | } |
| 3487 | SvFLAGS(sv) &= SVf_BREAK; |
| 3488 | SvFLAGS(sv) |= SVTYPEMASK; |
| 3489 | } |
| 3490 | |
| 3491 | SV * |
| 3492 | Perl_sv_newref(pTHX_ SV *sv) |
| 3493 | { |
| 3494 | if (sv) |
| 3495 | ATOMIC_INC(SvREFCNT(sv)); |
| 3496 | return sv; |
| 3497 | } |
| 3498 | |
| 3499 | void |
| 3500 | Perl_sv_free(pTHX_ SV *sv) |
| 3501 | { |
| 3502 | dTHR; |
| 3503 | int refcount_is_zero; |
| 3504 | |
| 3505 | if (!sv) |
| 3506 | return; |
| 3507 | if (SvREFCNT(sv) == 0) { |
| 3508 | if (SvFLAGS(sv) & SVf_BREAK) |
| 3509 | return; |
| 3510 | if (PL_in_clean_all) /* All is fair */ |
| 3511 | return; |
| 3512 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
| 3513 | /* make sure SvREFCNT(sv)==0 happens very seldom */ |
| 3514 | SvREFCNT(sv) = (~(U32)0)/2; |
| 3515 | return; |
| 3516 | } |
| 3517 | if (ckWARN_d(WARN_INTERNAL)) |
| 3518 | Perl_warner(aTHX_ WARN_INTERNAL, "Attempt to free unreferenced scalar"); |
| 3519 | return; |
| 3520 | } |
| 3521 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
| 3522 | if (!refcount_is_zero) |
| 3523 | return; |
| 3524 | #ifdef DEBUGGING |
| 3525 | if (SvTEMP(sv)) { |
| 3526 | if (ckWARN_d(WARN_DEBUGGING)) |
| 3527 | Perl_warner(aTHX_ WARN_DEBUGGING, |
| 3528 | "Attempt to free temp prematurely: SV 0x%"UVxf, |
| 3529 | PTR2UV(sv)); |
| 3530 | return; |
| 3531 | } |
| 3532 | #endif |
| 3533 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
| 3534 | /* make sure SvREFCNT(sv)==0 happens very seldom */ |
| 3535 | SvREFCNT(sv) = (~(U32)0)/2; |
| 3536 | return; |
| 3537 | } |
| 3538 | sv_clear(sv); |
| 3539 | if (! SvREFCNT(sv)) |
| 3540 | del_SV(sv); |
| 3541 | } |
| 3542 | |
| 3543 | STRLEN |
| 3544 | Perl_sv_len(pTHX_ register SV *sv) |
| 3545 | { |
| 3546 | char *junk; |
| 3547 | STRLEN len; |
| 3548 | |
| 3549 | if (!sv) |
| 3550 | return 0; |
| 3551 | |
| 3552 | if (SvGMAGICAL(sv)) |
| 3553 | len = mg_length(sv); |
| 3554 | else |
| 3555 | junk = SvPV(sv, len); |
| 3556 | return len; |
| 3557 | } |
| 3558 | |
| 3559 | STRLEN |
| 3560 | Perl_sv_len_utf8(pTHX_ register SV *sv) |
| 3561 | { |
| 3562 | U8 *s; |
| 3563 | U8 *send; |
| 3564 | STRLEN len; |
| 3565 | |
| 3566 | if (!sv) |
| 3567 | return 0; |
| 3568 | |
| 3569 | #ifdef NOTYET |
| 3570 | if (SvGMAGICAL(sv)) |
| 3571 | len = mg_length(sv); |
| 3572 | else |
| 3573 | #endif |
| 3574 | s = (U8*)SvPV(sv, len); |
| 3575 | send = s + len; |
| 3576 | len = 0; |
| 3577 | while (s < send) { |
| 3578 | s += UTF8SKIP(s); |
| 3579 | len++; |
| 3580 | } |
| 3581 | return len; |
| 3582 | } |
| 3583 | |
| 3584 | void |
| 3585 | Perl_sv_pos_u2b(pTHX_ register SV *sv, I32* offsetp, I32* lenp) |
| 3586 | { |
| 3587 | U8 *start; |
| 3588 | U8 *s; |
| 3589 | U8 *send; |
| 3590 | I32 uoffset = *offsetp; |
| 3591 | STRLEN len; |
| 3592 | |
| 3593 | if (!sv) |
| 3594 | return; |
| 3595 | |
| 3596 | start = s = (U8*)SvPV(sv, len); |
| 3597 | send = s + len; |
| 3598 | while (s < send && uoffset--) |
| 3599 | s += UTF8SKIP(s); |
| 3600 | if (s >= send) |
| 3601 | s = send; |
| 3602 | *offsetp = s - start; |
| 3603 | if (lenp) { |
| 3604 | I32 ulen = *lenp; |
| 3605 | start = s; |
| 3606 | while (s < send && ulen--) |
| 3607 | s += UTF8SKIP(s); |
| 3608 | if (s >= send) |
| 3609 | s = send; |
| 3610 | *lenp = s - start; |
| 3611 | } |
| 3612 | return; |
| 3613 | } |
| 3614 | |
| 3615 | void |
| 3616 | Perl_sv_pos_b2u(pTHX_ register SV *sv, I32* offsetp) |
| 3617 | { |
| 3618 | U8 *s; |
| 3619 | U8 *send; |
| 3620 | STRLEN len; |
| 3621 | |
| 3622 | if (!sv) |
| 3623 | return; |
| 3624 | |
| 3625 | s = (U8*)SvPV(sv, len); |
| 3626 | if (len < *offsetp) |
| 3627 | Perl_croak(aTHX_ "panic: bad byte offset"); |
| 3628 | send = s + *offsetp; |
| 3629 | len = 0; |
| 3630 | while (s < send) { |
| 3631 | s += UTF8SKIP(s); |
| 3632 | ++len; |
| 3633 | } |
| 3634 | if (s != send) { |
| 3635 | dTHR; |
| 3636 | if (ckWARN_d(WARN_UTF8)) |
| 3637 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); |
| 3638 | --len; |
| 3639 | } |
| 3640 | *offsetp = len; |
| 3641 | return; |
| 3642 | } |
| 3643 | |
| 3644 | I32 |
| 3645 | Perl_sv_eq(pTHX_ register SV *str1, register SV *str2) |
| 3646 | { |
| 3647 | char *pv1; |
| 3648 | STRLEN cur1; |
| 3649 | char *pv2; |
| 3650 | STRLEN cur2; |
| 3651 | |
| 3652 | if (!str1) { |
| 3653 | pv1 = ""; |
| 3654 | cur1 = 0; |
| 3655 | } |
| 3656 | else |
| 3657 | pv1 = SvPV(str1, cur1); |
| 3658 | |
| 3659 | if (!str2) |
| 3660 | return !cur1; |
| 3661 | else |
| 3662 | pv2 = SvPV(str2, cur2); |
| 3663 | |
| 3664 | if (cur1 != cur2) |
| 3665 | return 0; |
| 3666 | |
| 3667 | return memEQ(pv1, pv2, cur1); |
| 3668 | } |
| 3669 | |
| 3670 | I32 |
| 3671 | Perl_sv_cmp(pTHX_ register SV *str1, register SV *str2) |
| 3672 | { |
| 3673 | STRLEN cur1 = 0; |
| 3674 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
| 3675 | STRLEN cur2 = 0; |
| 3676 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
| 3677 | I32 retval; |
| 3678 | |
| 3679 | if (!cur1) |
| 3680 | return cur2 ? -1 : 0; |
| 3681 | |
| 3682 | if (!cur2) |
| 3683 | return 1; |
| 3684 | |
| 3685 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
| 3686 | |
| 3687 | if (retval) |
| 3688 | return retval < 0 ? -1 : 1; |
| 3689 | |
| 3690 | if (cur1 == cur2) |
| 3691 | return 0; |
| 3692 | else |
| 3693 | return cur1 < cur2 ? -1 : 1; |
| 3694 | } |
| 3695 | |
| 3696 | I32 |
| 3697 | Perl_sv_cmp_locale(pTHX_ register SV *sv1, register SV *sv2) |
| 3698 | { |
| 3699 | #ifdef USE_LOCALE_COLLATE |
| 3700 | |
| 3701 | char *pv1, *pv2; |
| 3702 | STRLEN len1, len2; |
| 3703 | I32 retval; |
| 3704 | |
| 3705 | if (PL_collation_standard) |
| 3706 | goto raw_compare; |
| 3707 | |
| 3708 | len1 = 0; |
| 3709 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
| 3710 | len2 = 0; |
| 3711 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
| 3712 | |
| 3713 | if (!pv1 || !len1) { |
| 3714 | if (pv2 && len2) |
| 3715 | return -1; |
| 3716 | else |
| 3717 | goto raw_compare; |
| 3718 | } |
| 3719 | else { |
| 3720 | if (!pv2 || !len2) |
| 3721 | return 1; |
| 3722 | } |
| 3723 | |
| 3724 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
| 3725 | |
| 3726 | if (retval) |
| 3727 | return retval < 0 ? -1 : 1; |
| 3728 | |
| 3729 | /* |
| 3730 | * When the result of collation is equality, that doesn't mean |
| 3731 | * that there are no differences -- some locales exclude some |
| 3732 | * characters from consideration. So to avoid false equalities, |
| 3733 | * we use the raw string as a tiebreaker. |
| 3734 | */ |
| 3735 | |
| 3736 | raw_compare: |
| 3737 | /* FALL THROUGH */ |
| 3738 | |
| 3739 | #endif /* USE_LOCALE_COLLATE */ |
| 3740 | |
| 3741 | return sv_cmp(sv1, sv2); |
| 3742 | } |
| 3743 | |
| 3744 | #ifdef USE_LOCALE_COLLATE |
| 3745 | /* |
| 3746 | * Any scalar variable may carry an 'o' magic that contains the |
| 3747 | * scalar data of the variable transformed to such a format that |
| 3748 | * a normal memory comparison can be used to compare the data |
| 3749 | * according to the locale settings. |
| 3750 | */ |
| 3751 | char * |
| 3752 | Perl_sv_collxfrm(pTHX_ SV *sv, STRLEN *nxp) |
| 3753 | { |
| 3754 | MAGIC *mg; |
| 3755 | |
| 3756 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
| 3757 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) { |
| 3758 | char *s, *xf; |
| 3759 | STRLEN len, xlen; |
| 3760 | |
| 3761 | if (mg) |
| 3762 | Safefree(mg->mg_ptr); |
| 3763 | s = SvPV(sv, len); |
| 3764 | if ((xf = mem_collxfrm(s, len, &xlen))) { |
| 3765 | if (SvREADONLY(sv)) { |
| 3766 | SAVEFREEPV(xf); |
| 3767 | *nxp = xlen; |
| 3768 | return xf + sizeof(PL_collation_ix); |
| 3769 | } |
| 3770 | if (! mg) { |
| 3771 | sv_magic(sv, 0, 'o', 0, 0); |
| 3772 | mg = mg_find(sv, 'o'); |
| 3773 | assert(mg); |
| 3774 | } |
| 3775 | mg->mg_ptr = xf; |
| 3776 | mg->mg_len = xlen; |
| 3777 | } |
| 3778 | else { |
| 3779 | if (mg) { |
| 3780 | mg->mg_ptr = NULL; |
| 3781 | mg->mg_len = -1; |
| 3782 | } |
| 3783 | } |
| 3784 | } |
| 3785 | if (mg && mg->mg_ptr) { |
| 3786 | *nxp = mg->mg_len; |
| 3787 | return mg->mg_ptr + sizeof(PL_collation_ix); |
| 3788 | } |
| 3789 | else { |
| 3790 | *nxp = 0; |
| 3791 | return NULL; |
| 3792 | } |
| 3793 | } |
| 3794 | |
| 3795 | #endif /* USE_LOCALE_COLLATE */ |
| 3796 | |
| 3797 | char * |
| 3798 | Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) |
| 3799 | { |
| 3800 | dTHR; |
| 3801 | char *rsptr; |
| 3802 | STRLEN rslen; |
| 3803 | register STDCHAR rslast; |
| 3804 | register STDCHAR *bp; |
| 3805 | register I32 cnt; |
| 3806 | I32 i; |
| 3807 | |
| 3808 | SV_CHECK_THINKFIRST(sv); |
| 3809 | (void)SvUPGRADE(sv, SVt_PV); |
| 3810 | |
| 3811 | SvSCREAM_off(sv); |
| 3812 | |
| 3813 | if (RsSNARF(PL_rs)) { |
| 3814 | rsptr = NULL; |
| 3815 | rslen = 0; |
| 3816 | } |
| 3817 | else if (RsRECORD(PL_rs)) { |
| 3818 | I32 recsize, bytesread; |
| 3819 | char *buffer; |
| 3820 | |
| 3821 | /* Grab the size of the record we're getting */ |
| 3822 | recsize = SvIV(SvRV(PL_rs)); |
| 3823 | (void)SvPOK_only(sv); /* Validate pointer */ |
| 3824 | buffer = SvGROW(sv, recsize + 1); |
| 3825 | /* Go yank in */ |
| 3826 | #ifdef VMS |
| 3827 | /* VMS wants read instead of fread, because fread doesn't respect */ |
| 3828 | /* RMS record boundaries. This is not necessarily a good thing to be */ |
| 3829 | /* doing, but we've got no other real choice */ |
| 3830 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); |
| 3831 | #else |
| 3832 | bytesread = PerlIO_read(fp, buffer, recsize); |
| 3833 | #endif |
| 3834 | SvCUR_set(sv, bytesread); |
| 3835 | buffer[bytesread] = '\0'; |
| 3836 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); |
| 3837 | } |
| 3838 | else if (RsPARA(PL_rs)) { |
| 3839 | rsptr = "\n\n"; |
| 3840 | rslen = 2; |
| 3841 | } |
| 3842 | else |
| 3843 | rsptr = SvPV(PL_rs, rslen); |
| 3844 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
| 3845 | |
| 3846 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
| 3847 | do { /* to make sure file boundaries work right */ |
| 3848 | if (PerlIO_eof(fp)) |
| 3849 | return 0; |
| 3850 | i = PerlIO_getc(fp); |
| 3851 | if (i != '\n') { |
| 3852 | if (i == -1) |
| 3853 | return 0; |
| 3854 | PerlIO_ungetc(fp,i); |
| 3855 | break; |
| 3856 | } |
| 3857 | } while (i != EOF); |
| 3858 | } |
| 3859 | |
| 3860 | /* See if we know enough about I/O mechanism to cheat it ! */ |
| 3861 | |
| 3862 | /* This used to be #ifdef test - it is made run-time test for ease |
| 3863 | of abstracting out stdio interface. One call should be cheap |
| 3864 | enough here - and may even be a macro allowing compile |
| 3865 | time optimization. |
| 3866 | */ |
| 3867 | |
| 3868 | if (PerlIO_fast_gets(fp)) { |
| 3869 | |
| 3870 | /* |
| 3871 | * We're going to steal some values from the stdio struct |
| 3872 | * and put EVERYTHING in the innermost loop into registers. |
| 3873 | */ |
| 3874 | register STDCHAR *ptr; |
| 3875 | STRLEN bpx; |
| 3876 | I32 shortbuffered; |
| 3877 | |
| 3878 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
| 3879 | /* An ungetc()d char is handled separately from the regular |
| 3880 | * buffer, so we getc() it back out and stuff it in the buffer. |
| 3881 | */ |
| 3882 | i = PerlIO_getc(fp); |
| 3883 | if (i == EOF) return 0; |
| 3884 | *(--((*fp)->_ptr)) = (unsigned char) i; |
| 3885 | (*fp)->_cnt++; |
| 3886 | #endif |
| 3887 | |
| 3888 | /* Here is some breathtakingly efficient cheating */ |
| 3889 | |
| 3890 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
| 3891 | (void)SvPOK_only(sv); /* validate pointer */ |
| 3892 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
| 3893 | if (cnt > 80 && SvLEN(sv) > append) { |
| 3894 | shortbuffered = cnt - SvLEN(sv) + append + 1; |
| 3895 | cnt -= shortbuffered; |
| 3896 | } |
| 3897 | else { |
| 3898 | shortbuffered = 0; |
| 3899 | /* remember that cnt can be negative */ |
| 3900 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); |
| 3901 | } |
| 3902 | } |
| 3903 | else |
| 3904 | shortbuffered = 0; |
| 3905 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
| 3906 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
| 3907 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3908 | "Screamer: entering, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
| 3909 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3910 | "Screamer: entering: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
| 3911 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), |
| 3912 | PTR2UV(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); |
| 3913 | for (;;) { |
| 3914 | screamer: |
| 3915 | if (cnt > 0) { |
| 3916 | if (rslen) { |
| 3917 | while (cnt > 0) { /* this | eat */ |
| 3918 | cnt--; |
| 3919 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
| 3920 | goto thats_all_folks; /* screams | sed :-) */ |
| 3921 | } |
| 3922 | } |
| 3923 | else { |
| 3924 | Copy(ptr, bp, cnt, char); /* this | eat */ |
| 3925 | bp += cnt; /* screams | dust */ |
| 3926 | ptr += cnt; /* louder | sed :-) */ |
| 3927 | cnt = 0; |
| 3928 | } |
| 3929 | } |
| 3930 | |
| 3931 | if (shortbuffered) { /* oh well, must extend */ |
| 3932 | cnt = shortbuffered; |
| 3933 | shortbuffered = 0; |
| 3934 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
| 3935 | SvCUR_set(sv, bpx); |
| 3936 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); |
| 3937 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
| 3938 | continue; |
| 3939 | } |
| 3940 | |
| 3941 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3942 | "Screamer: going to getc, ptr=%"UVuf", cnt=%ld\n", |
| 3943 | PTR2UV(ptr),(long)cnt)); |
| 3944 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
| 3945 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3946 | "Screamer: pre: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
| 3947 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), |
| 3948 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); |
| 3949 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
| 3950 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
| 3951 | another abstraction. */ |
| 3952 | i = PerlIO_getc(fp); /* get more characters */ |
| 3953 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3954 | "Screamer: post: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
| 3955 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), |
| 3956 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); |
| 3957 | cnt = PerlIO_get_cnt(fp); |
| 3958 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ |
| 3959 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3960 | "Screamer: after getc, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
| 3961 | |
| 3962 | if (i == EOF) /* all done for ever? */ |
| 3963 | goto thats_really_all_folks; |
| 3964 | |
| 3965 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
| 3966 | SvCUR_set(sv, bpx); |
| 3967 | SvGROW(sv, bpx + cnt + 2); |
| 3968 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
| 3969 | |
| 3970 | *bp++ = i; /* store character from PerlIO_getc */ |
| 3971 | |
| 3972 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
| 3973 | goto thats_all_folks; |
| 3974 | } |
| 3975 | |
| 3976 | thats_all_folks: |
| 3977 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
| 3978 | memNE((char*)bp - rslen, rsptr, rslen)) |
| 3979 | goto screamer; /* go back to the fray */ |
| 3980 | thats_really_all_folks: |
| 3981 | if (shortbuffered) |
| 3982 | cnt += shortbuffered; |
| 3983 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3984 | "Screamer: quitting, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
| 3985 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
| 3986 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3987 | "Screamer: end: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
| 3988 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), |
| 3989 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); |
| 3990 | *bp = '\0'; |
| 3991 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
| 3992 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
| 3993 | "Screamer: done, len=%ld, string=|%.*s|\n", |
| 3994 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); |
| 3995 | } |
| 3996 | else |
| 3997 | { |
| 3998 | #ifndef EPOC |
| 3999 | /*The big, slow, and stupid way */ |
| 4000 | STDCHAR buf[8192]; |
| 4001 | #else |
| 4002 | /* Need to work around EPOC SDK features */ |
| 4003 | /* On WINS: MS VC5 generates calls to _chkstk, */ |
| 4004 | /* if a `large' stack frame is allocated */ |
| 4005 | /* gcc on MARM does not generate calls like these */ |
| 4006 | STDCHAR buf[1024]; |
| 4007 | #endif |
| 4008 | |
| 4009 | screamer2: |
| 4010 | if (rslen) { |
| 4011 | register STDCHAR *bpe = buf + sizeof(buf); |
| 4012 | bp = buf; |
| 4013 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) |
| 4014 | ; /* keep reading */ |
| 4015 | cnt = bp - buf; |
| 4016 | } |
| 4017 | else { |
| 4018 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
| 4019 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
| 4020 | * both args of ?: operator, causing EOF to change into 255 |
| 4021 | */ |
| 4022 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } |
| 4023 | } |
| 4024 | |
| 4025 | if (append) |
| 4026 | sv_catpvn(sv, (char *) buf, cnt); |
| 4027 | else |
| 4028 | sv_setpvn(sv, (char *) buf, cnt); |
| 4029 | |
| 4030 | if (i != EOF && /* joy */ |
| 4031 | (!rslen || |
| 4032 | SvCUR(sv) < rslen || |
| 4033 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
| 4034 | { |
| 4035 | append = -1; |
| 4036 | /* |
| 4037 | * If we're reading from a TTY and we get a short read, |
| 4038 | * indicating that the user hit his EOF character, we need |
| 4039 | * to notice it now, because if we try to read from the TTY |
| 4040 | * again, the EOF condition will disappear. |
| 4041 | * |
| 4042 | * The comparison of cnt to sizeof(buf) is an optimization |
| 4043 | * that prevents unnecessary calls to feof(). |
| 4044 | * |
| 4045 | * - jik 9/25/96 |
| 4046 | */ |
| 4047 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) |
| 4048 | goto screamer2; |
| 4049 | } |
| 4050 | } |
| 4051 | |
| 4052 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
| 4053 | while (i != EOF) { /* to make sure file boundaries work right */ |
| 4054 | i = PerlIO_getc(fp); |
| 4055 | if (i != '\n') { |
| 4056 | PerlIO_ungetc(fp,i); |
| 4057 | break; |
| 4058 | } |
| 4059 | } |
| 4060 | } |
| 4061 | |
| 4062 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
| 4063 | } |
| 4064 | |
| 4065 | |
| 4066 | void |
| 4067 | Perl_sv_inc(pTHX_ register SV *sv) |
| 4068 | { |
| 4069 | register char *d; |
| 4070 | int flags; |
| 4071 | |
| 4072 | if (!sv) |
| 4073 | return; |
| 4074 | if (SvGMAGICAL(sv)) |
| 4075 | mg_get(sv); |
| 4076 | if (SvTHINKFIRST(sv)) { |
| 4077 | if (SvREADONLY(sv)) { |
| 4078 | dTHR; |
| 4079 | if (PL_curcop != &PL_compiling) |
| 4080 | Perl_croak(aTHX_ PL_no_modify); |
| 4081 | } |
| 4082 | if (SvROK(sv)) { |
| 4083 | IV i; |
| 4084 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) |
| 4085 | return; |
| 4086 | i = PTR2IV(SvRV(sv)); |
| 4087 | sv_unref(sv); |
| 4088 | sv_setiv(sv, i); |
| 4089 | } |
| 4090 | } |
| 4091 | flags = SvFLAGS(sv); |
| 4092 | if (flags & SVp_NOK) { |
| 4093 | (void)SvNOK_only(sv); |
| 4094 | SvNVX(sv) += 1.0; |
| 4095 | return; |
| 4096 | } |
| 4097 | if (flags & SVp_IOK) { |
| 4098 | if (SvIsUV(sv)) { |
| 4099 | if (SvUVX(sv) == UV_MAX) |
| 4100 | sv_setnv(sv, (NV)UV_MAX + 1.0); |
| 4101 | else |
| 4102 | (void)SvIOK_only_UV(sv); |
| 4103 | ++SvUVX(sv); |
| 4104 | } else { |
| 4105 | if (SvIVX(sv) == IV_MAX) |
| 4106 | sv_setnv(sv, (NV)IV_MAX + 1.0); |
| 4107 | else { |
| 4108 | (void)SvIOK_only(sv); |
| 4109 | ++SvIVX(sv); |
| 4110 | } |
| 4111 | } |
| 4112 | return; |
| 4113 | } |
| 4114 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
| 4115 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
| 4116 | sv_upgrade(sv, SVt_NV); |
| 4117 | SvNVX(sv) = 1.0; |
| 4118 | (void)SvNOK_only(sv); |
| 4119 | return; |
| 4120 | } |
| 4121 | d = SvPVX(sv); |
| 4122 | while (isALPHA(*d)) d++; |
| 4123 | while (isDIGIT(*d)) d++; |
| 4124 | if (*d) { |
| 4125 | sv_setnv(sv,Atof(SvPVX(sv)) + 1.0); /* punt */ |
| 4126 | return; |
| 4127 | } |
| 4128 | d--; |
| 4129 | while (d >= SvPVX(sv)) { |
| 4130 | if (isDIGIT(*d)) { |
| 4131 | if (++*d <= '9') |
| 4132 | return; |
| 4133 | *(d--) = '0'; |
| 4134 | } |
| 4135 | else { |
| 4136 | #ifdef EBCDIC |
| 4137 | /* MKS: The original code here died if letters weren't consecutive. |
| 4138 | * at least it didn't have to worry about non-C locales. The |
| 4139 | * new code assumes that ('z'-'a')==('Z'-'A'), letters are |
| 4140 | * arranged in order (although not consecutively) and that only |
| 4141 | * [A-Za-z] are accepted by isALPHA in the C locale. |
| 4142 | */ |
| 4143 | if (*d != 'z' && *d != 'Z') { |
| 4144 | do { ++*d; } while (!isALPHA(*d)); |
| 4145 | return; |
| 4146 | } |
| 4147 | *(d--) -= 'z' - 'a'; |
| 4148 | #else |
| 4149 | ++*d; |
| 4150 | if (isALPHA(*d)) |
| 4151 | return; |
| 4152 | *(d--) -= 'z' - 'a' + 1; |
| 4153 | #endif |
| 4154 | } |
| 4155 | } |
| 4156 | /* oh,oh, the number grew */ |
| 4157 | SvGROW(sv, SvCUR(sv) + 2); |
| 4158 | SvCUR(sv)++; |
| 4159 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
| 4160 | *d = d[-1]; |
| 4161 | if (isDIGIT(d[1])) |
| 4162 | *d = '1'; |
| 4163 | else |
| 4164 | *d = d[1]; |
| 4165 | } |
| 4166 | |
| 4167 | void |
| 4168 | Perl_sv_dec(pTHX_ register SV *sv) |
| 4169 | { |
| 4170 | int flags; |
| 4171 | |
| 4172 | if (!sv) |
| 4173 | return; |
| 4174 | if (SvGMAGICAL(sv)) |
| 4175 | mg_get(sv); |
| 4176 | if (SvTHINKFIRST(sv)) { |
| 4177 | if (SvREADONLY(sv)) { |
| 4178 | dTHR; |
| 4179 | if (PL_curcop != &PL_compiling) |
| 4180 | Perl_croak(aTHX_ PL_no_modify); |
| 4181 | } |
| 4182 | if (SvROK(sv)) { |
| 4183 | IV i; |
| 4184 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) |
| 4185 | return; |
| 4186 | i = PTR2IV(SvRV(sv)); |
| 4187 | sv_unref(sv); |
| 4188 | sv_setiv(sv, i); |
| 4189 | } |
| 4190 | } |
| 4191 | flags = SvFLAGS(sv); |
| 4192 | if (flags & SVp_NOK) { |
| 4193 | SvNVX(sv) -= 1.0; |
| 4194 | (void)SvNOK_only(sv); |
| 4195 | return; |
| 4196 | } |
| 4197 | if (flags & SVp_IOK) { |
| 4198 | if (SvIsUV(sv)) { |
| 4199 | if (SvUVX(sv) == 0) { |
| 4200 | (void)SvIOK_only(sv); |
| 4201 | SvIVX(sv) = -1; |
| 4202 | } |
| 4203 | else { |
| 4204 | (void)SvIOK_only_UV(sv); |
| 4205 | --SvUVX(sv); |
| 4206 | } |
| 4207 | } else { |
| 4208 | if (SvIVX(sv) == IV_MIN) |
| 4209 | sv_setnv(sv, (NV)IV_MIN - 1.0); |
| 4210 | else { |
| 4211 | (void)SvIOK_only(sv); |
| 4212 | --SvIVX(sv); |
| 4213 | } |
| 4214 | } |
| 4215 | return; |
| 4216 | } |
| 4217 | if (!(flags & SVp_POK)) { |
| 4218 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
| 4219 | sv_upgrade(sv, SVt_NV); |
| 4220 | SvNVX(sv) = -1.0; |
| 4221 | (void)SvNOK_only(sv); |
| 4222 | return; |
| 4223 | } |
| 4224 | sv_setnv(sv,Atof(SvPVX(sv)) - 1.0); /* punt */ |
| 4225 | } |
| 4226 | |
| 4227 | /* Make a string that will exist for the duration of the expression |
| 4228 | * evaluation. Actually, it may have to last longer than that, but |
| 4229 | * hopefully we won't free it until it has been assigned to a |
| 4230 | * permanent location. */ |
| 4231 | |
| 4232 | SV * |
| 4233 | Perl_sv_mortalcopy(pTHX_ SV *oldstr) |
| 4234 | { |
| 4235 | dTHR; |
| 4236 | register SV *sv; |
| 4237 | |
| 4238 | new_SV(sv); |
| 4239 | sv_setsv(sv,oldstr); |
| 4240 | EXTEND_MORTAL(1); |
| 4241 | PL_tmps_stack[++PL_tmps_ix] = sv; |
| 4242 | SvTEMP_on(sv); |
| 4243 | return sv; |
| 4244 | } |
| 4245 | |
| 4246 | SV * |
| 4247 | Perl_sv_newmortal(pTHX) |
| 4248 | { |
| 4249 | dTHR; |
| 4250 | register SV *sv; |
| 4251 | |
| 4252 | new_SV(sv); |
| 4253 | SvFLAGS(sv) = SVs_TEMP; |
| 4254 | EXTEND_MORTAL(1); |
| 4255 | PL_tmps_stack[++PL_tmps_ix] = sv; |
| 4256 | return sv; |
| 4257 | } |
| 4258 | |
| 4259 | /* same thing without the copying */ |
| 4260 | |
| 4261 | SV * |
| 4262 | Perl_sv_2mortal(pTHX_ register SV *sv) |
| 4263 | { |
| 4264 | dTHR; |
| 4265 | if (!sv) |
| 4266 | return sv; |
| 4267 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
| 4268 | return sv; |
| 4269 | EXTEND_MORTAL(1); |
| 4270 | PL_tmps_stack[++PL_tmps_ix] = sv; |
| 4271 | SvTEMP_on(sv); |
| 4272 | return sv; |
| 4273 | } |
| 4274 | |
| 4275 | SV * |
| 4276 | Perl_newSVpv(pTHX_ const char *s, STRLEN len) |
| 4277 | { |
| 4278 | register SV *sv; |
| 4279 | |
| 4280 | new_SV(sv); |
| 4281 | if (!len) |
| 4282 | len = strlen(s); |
| 4283 | sv_setpvn(sv,s,len); |
| 4284 | return sv; |
| 4285 | } |
| 4286 | |
| 4287 | SV * |
| 4288 | Perl_newSVpvn(pTHX_ const char *s, STRLEN len) |
| 4289 | { |
| 4290 | register SV *sv; |
| 4291 | |
| 4292 | new_SV(sv); |
| 4293 | sv_setpvn(sv,s,len); |
| 4294 | return sv; |
| 4295 | } |
| 4296 | |
| 4297 | #if defined(PERL_IMPLICIT_CONTEXT) |
| 4298 | SV * |
| 4299 | Perl_newSVpvf_nocontext(const char* pat, ...) |
| 4300 | { |
| 4301 | dTHX; |
| 4302 | register SV *sv; |
| 4303 | va_list args; |
| 4304 | va_start(args, pat); |
| 4305 | sv = vnewSVpvf(pat, &args); |
| 4306 | va_end(args); |
| 4307 | return sv; |
| 4308 | } |
| 4309 | #endif |
| 4310 | |
| 4311 | SV * |
| 4312 | Perl_newSVpvf(pTHX_ const char* pat, ...) |
| 4313 | { |
| 4314 | register SV *sv; |
| 4315 | va_list args; |
| 4316 | va_start(args, pat); |
| 4317 | sv = vnewSVpvf(pat, &args); |
| 4318 | va_end(args); |
| 4319 | return sv; |
| 4320 | } |
| 4321 | |
| 4322 | SV * |
| 4323 | Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args) |
| 4324 | { |
| 4325 | register SV *sv; |
| 4326 | new_SV(sv); |
| 4327 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
| 4328 | return sv; |
| 4329 | } |
| 4330 | |
| 4331 | SV * |
| 4332 | Perl_newSVnv(pTHX_ NV n) |
| 4333 | { |
| 4334 | register SV *sv; |
| 4335 | |
| 4336 | new_SV(sv); |
| 4337 | sv_setnv(sv,n); |
| 4338 | return sv; |
| 4339 | } |
| 4340 | |
| 4341 | SV * |
| 4342 | Perl_newSViv(pTHX_ IV i) |
| 4343 | { |
| 4344 | register SV *sv; |
| 4345 | |
| 4346 | new_SV(sv); |
| 4347 | sv_setiv(sv,i); |
| 4348 | return sv; |
| 4349 | } |
| 4350 | |
| 4351 | SV * |
| 4352 | Perl_newRV_noinc(pTHX_ SV *tmpRef) |
| 4353 | { |
| 4354 | dTHR; |
| 4355 | register SV *sv; |
| 4356 | |
| 4357 | new_SV(sv); |
| 4358 | sv_upgrade(sv, SVt_RV); |
| 4359 | SvTEMP_off(tmpRef); |
| 4360 | SvRV(sv) = tmpRef; |
| 4361 | SvROK_on(sv); |
| 4362 | return sv; |
| 4363 | } |
| 4364 | |
| 4365 | SV * |
| 4366 | Perl_newRV(pTHX_ SV *tmpRef) |
| 4367 | { |
| 4368 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
| 4369 | } |
| 4370 | |
| 4371 | /* make an exact duplicate of old */ |
| 4372 | |
| 4373 | SV * |
| 4374 | Perl_newSVsv(pTHX_ register SV *old) |
| 4375 | { |
| 4376 | dTHR; |
| 4377 | register SV *sv; |
| 4378 | |
| 4379 | if (!old) |
| 4380 | return Nullsv; |
| 4381 | if (SvTYPE(old) == SVTYPEMASK) { |
| 4382 | if (ckWARN_d(WARN_INTERNAL)) |
| 4383 | Perl_warner(aTHX_ WARN_INTERNAL, "semi-panic: attempt to dup freed string"); |
| 4384 | return Nullsv; |
| 4385 | } |
| 4386 | new_SV(sv); |
| 4387 | if (SvTEMP(old)) { |
| 4388 | SvTEMP_off(old); |
| 4389 | sv_setsv(sv,old); |
| 4390 | SvTEMP_on(old); |
| 4391 | } |
| 4392 | else |
| 4393 | sv_setsv(sv,old); |
| 4394 | return sv; |
| 4395 | } |
| 4396 | |
| 4397 | void |
| 4398 | Perl_sv_reset(pTHX_ register char *s, HV *stash) |
| 4399 | { |
| 4400 | register HE *entry; |
| 4401 | register GV *gv; |
| 4402 | register SV *sv; |
| 4403 | register I32 i; |
| 4404 | register PMOP *pm; |
| 4405 | register I32 max; |
| 4406 | char todo[PERL_UCHAR_MAX+1]; |
| 4407 | |
| 4408 | if (!stash) |
| 4409 | return; |
| 4410 | |
| 4411 | if (!*s) { /* reset ?? searches */ |
| 4412 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { |
| 4413 | pm->op_pmdynflags &= ~PMdf_USED; |
| 4414 | } |
| 4415 | return; |
| 4416 | } |
| 4417 | |
| 4418 | /* reset variables */ |
| 4419 | |
| 4420 | if (!HvARRAY(stash)) |
| 4421 | return; |
| 4422 | |
| 4423 | Zero(todo, 256, char); |
| 4424 | while (*s) { |
| 4425 | i = (unsigned char)*s; |
| 4426 | if (s[1] == '-') { |
| 4427 | s += 2; |
| 4428 | } |
| 4429 | max = (unsigned char)*s++; |
| 4430 | for ( ; i <= max; i++) { |
| 4431 | todo[i] = 1; |
| 4432 | } |
| 4433 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
| 4434 | for (entry = HvARRAY(stash)[i]; |
| 4435 | entry; |
| 4436 | entry = HeNEXT(entry)) |
| 4437 | { |
| 4438 | if (!todo[(U8)*HeKEY(entry)]) |
| 4439 | continue; |
| 4440 | gv = (GV*)HeVAL(entry); |
| 4441 | sv = GvSV(gv); |
| 4442 | if (SvTHINKFIRST(sv)) { |
| 4443 | if (!SvREADONLY(sv) && SvROK(sv)) |
| 4444 | sv_unref(sv); |
| 4445 | continue; |
| 4446 | } |
| 4447 | (void)SvOK_off(sv); |
| 4448 | if (SvTYPE(sv) >= SVt_PV) { |
| 4449 | SvCUR_set(sv, 0); |
| 4450 | if (SvPVX(sv) != Nullch) |
| 4451 | *SvPVX(sv) = '\0'; |
| 4452 | SvTAINT(sv); |
| 4453 | } |
| 4454 | if (GvAV(gv)) { |
| 4455 | av_clear(GvAV(gv)); |
| 4456 | } |
| 4457 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
| 4458 | hv_clear(GvHV(gv)); |
| 4459 | #ifndef VMS /* VMS has no environ array */ |
| 4460 | if (gv == PL_envgv) |
| 4461 | environ[0] = Nullch; |
| 4462 | #endif |
| 4463 | } |
| 4464 | } |
| 4465 | } |
| 4466 | } |
| 4467 | } |
| 4468 | |
| 4469 | IO* |
| 4470 | Perl_sv_2io(pTHX_ SV *sv) |
| 4471 | { |
| 4472 | IO* io; |
| 4473 | GV* gv; |
| 4474 | STRLEN n_a; |
| 4475 | |
| 4476 | switch (SvTYPE(sv)) { |
| 4477 | case SVt_PVIO: |
| 4478 | io = (IO*)sv; |
| 4479 | break; |
| 4480 | case SVt_PVGV: |
| 4481 | gv = (GV*)sv; |
| 4482 | io = GvIO(gv); |
| 4483 | if (!io) |
| 4484 | Perl_croak(aTHX_ "Bad filehandle: %s", GvNAME(gv)); |
| 4485 | break; |
| 4486 | default: |
| 4487 | if (!SvOK(sv)) |
| 4488 | Perl_croak(aTHX_ PL_no_usym, "filehandle"); |
| 4489 | if (SvROK(sv)) |
| 4490 | return sv_2io(SvRV(sv)); |
| 4491 | gv = gv_fetchpv(SvPV(sv,n_a), FALSE, SVt_PVIO); |
| 4492 | if (gv) |
| 4493 | io = GvIO(gv); |
| 4494 | else |
| 4495 | io = 0; |
| 4496 | if (!io) |
| 4497 | Perl_croak(aTHX_ "Bad filehandle: %s", SvPV(sv,n_a)); |
| 4498 | break; |
| 4499 | } |
| 4500 | return io; |
| 4501 | } |
| 4502 | |
| 4503 | CV * |
| 4504 | Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref) |
| 4505 | { |
| 4506 | GV *gv; |
| 4507 | CV *cv; |
| 4508 | STRLEN n_a; |
| 4509 | |
| 4510 | if (!sv) |
| 4511 | return *gvp = Nullgv, Nullcv; |
| 4512 | switch (SvTYPE(sv)) { |
| 4513 | case SVt_PVCV: |
| 4514 | *st = CvSTASH(sv); |
| 4515 | *gvp = Nullgv; |
| 4516 | return (CV*)sv; |
| 4517 | case SVt_PVHV: |
| 4518 | case SVt_PVAV: |
| 4519 | *gvp = Nullgv; |
| 4520 | return Nullcv; |
| 4521 | case SVt_PVGV: |
| 4522 | gv = (GV*)sv; |
| 4523 | *gvp = gv; |
| 4524 | *st = GvESTASH(gv); |
| 4525 | goto fix_gv; |
| 4526 | |
| 4527 | default: |
| 4528 | if (SvGMAGICAL(sv)) |
| 4529 | mg_get(sv); |
| 4530 | if (SvROK(sv)) { |
| 4531 | dTHR; |
| 4532 | SV **sp = &sv; /* Used in tryAMAGICunDEREF macro. */ |
| 4533 | tryAMAGICunDEREF(to_cv); |
| 4534 | |
| 4535 | sv = SvRV(sv); |
| 4536 | if (SvTYPE(sv) == SVt_PVCV) { |
| 4537 | cv = (CV*)sv; |
| 4538 | *gvp = Nullgv; |
| 4539 | *st = CvSTASH(cv); |
| 4540 | return cv; |
| 4541 | } |
| 4542 | else if(isGV(sv)) |
| 4543 | gv = (GV*)sv; |
| 4544 | else |
| 4545 | Perl_croak(aTHX_ "Not a subroutine reference"); |
| 4546 | } |
| 4547 | else if (isGV(sv)) |
| 4548 | gv = (GV*)sv; |
| 4549 | else |
| 4550 | gv = gv_fetchpv(SvPV(sv, n_a), lref, SVt_PVCV); |
| 4551 | *gvp = gv; |
| 4552 | if (!gv) |
| 4553 | return Nullcv; |
| 4554 | *st = GvESTASH(gv); |
| 4555 | fix_gv: |
| 4556 | if (lref && !GvCVu(gv)) { |
| 4557 | SV *tmpsv; |
| 4558 | ENTER; |
| 4559 | tmpsv = NEWSV(704,0); |
| 4560 | gv_efullname3(tmpsv, gv, Nullch); |
| 4561 | /* XXX this is probably not what they think they're getting. |
| 4562 | * It has the same effect as "sub name;", i.e. just a forward |
| 4563 | * declaration! */ |
| 4564 | newSUB(start_subparse(FALSE, 0), |
| 4565 | newSVOP(OP_CONST, 0, tmpsv), |
| 4566 | Nullop, |
| 4567 | Nullop); |
| 4568 | LEAVE; |
| 4569 | if (!GvCVu(gv)) |
| 4570 | Perl_croak(aTHX_ "Unable to create sub named \"%s\"", SvPV(sv,n_a)); |
| 4571 | } |
| 4572 | return GvCVu(gv); |
| 4573 | } |
| 4574 | } |
| 4575 | |
| 4576 | I32 |
| 4577 | Perl_sv_true(pTHX_ register SV *sv) |
| 4578 | { |
| 4579 | dTHR; |
| 4580 | if (!sv) |
| 4581 | return 0; |
| 4582 | if (SvPOK(sv)) { |
| 4583 | register XPV* tXpv; |
| 4584 | if ((tXpv = (XPV*)SvANY(sv)) && |
| 4585 | (tXpv->xpv_cur > 1 || |
| 4586 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) |
| 4587 | return 1; |
| 4588 | else |
| 4589 | return 0; |
| 4590 | } |
| 4591 | else { |
| 4592 | if (SvIOK(sv)) |
| 4593 | return SvIVX(sv) != 0; |
| 4594 | else { |
| 4595 | if (SvNOK(sv)) |
| 4596 | return SvNVX(sv) != 0.0; |
| 4597 | else |
| 4598 | return sv_2bool(sv); |
| 4599 | } |
| 4600 | } |
| 4601 | } |
| 4602 | |
| 4603 | IV |
| 4604 | Perl_sv_iv(pTHX_ register SV *sv) |
| 4605 | { |
| 4606 | if (SvIOK(sv)) { |
| 4607 | if (SvIsUV(sv)) |
| 4608 | return (IV)SvUVX(sv); |
| 4609 | return SvIVX(sv); |
| 4610 | } |
| 4611 | return sv_2iv(sv); |
| 4612 | } |
| 4613 | |
| 4614 | UV |
| 4615 | Perl_sv_uv(pTHX_ register SV *sv) |
| 4616 | { |
| 4617 | if (SvIOK(sv)) { |
| 4618 | if (SvIsUV(sv)) |
| 4619 | return SvUVX(sv); |
| 4620 | return (UV)SvIVX(sv); |
| 4621 | } |
| 4622 | return sv_2uv(sv); |
| 4623 | } |
| 4624 | |
| 4625 | NV |
| 4626 | Perl_sv_nv(pTHX_ register SV *sv) |
| 4627 | { |
| 4628 | if (SvNOK(sv)) |
| 4629 | return SvNVX(sv); |
| 4630 | return sv_2nv(sv); |
| 4631 | } |
| 4632 | |
| 4633 | char * |
| 4634 | Perl_sv_pv(pTHX_ SV *sv) |
| 4635 | { |
| 4636 | STRLEN n_a; |
| 4637 | |
| 4638 | if (SvPOK(sv)) |
| 4639 | return SvPVX(sv); |
| 4640 | |
| 4641 | return sv_2pv(sv, &n_a); |
| 4642 | } |
| 4643 | |
| 4644 | char * |
| 4645 | Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp) |
| 4646 | { |
| 4647 | if (SvPOK(sv)) { |
| 4648 | *lp = SvCUR(sv); |
| 4649 | return SvPVX(sv); |
| 4650 | } |
| 4651 | return sv_2pv(sv, lp); |
| 4652 | } |
| 4653 | |
| 4654 | char * |
| 4655 | Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp) |
| 4656 | { |
| 4657 | char *s; |
| 4658 | |
| 4659 | if (SvTHINKFIRST(sv) && !SvROK(sv)) |
| 4660 | sv_force_normal(sv); |
| 4661 | |
| 4662 | if (SvPOK(sv)) { |
| 4663 | *lp = SvCUR(sv); |
| 4664 | } |
| 4665 | else { |
| 4666 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
| 4667 | dTHR; |
| 4668 | Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0), |
| 4669 | PL_op_name[PL_op->op_type]); |
| 4670 | } |
| 4671 | else |
| 4672 | s = sv_2pv(sv, lp); |
| 4673 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
| 4674 | STRLEN len = *lp; |
| 4675 | |
| 4676 | if (SvROK(sv)) |
| 4677 | sv_unref(sv); |
| 4678 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ |
| 4679 | SvGROW(sv, len + 1); |
| 4680 | Move(s,SvPVX(sv),len,char); |
| 4681 | SvCUR_set(sv, len); |
| 4682 | *SvEND(sv) = '\0'; |
| 4683 | } |
| 4684 | if (!SvPOK(sv)) { |
| 4685 | SvPOK_on(sv); /* validate pointer */ |
| 4686 | SvTAINT(sv); |
| 4687 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n", |
| 4688 | PTR2UV(sv),SvPVX(sv))); |
| 4689 | } |
| 4690 | } |
| 4691 | return SvPVX(sv); |
| 4692 | } |
| 4693 | |
| 4694 | char * |
| 4695 | Perl_sv_pvbyte(pTHX_ SV *sv) |
| 4696 | { |
| 4697 | return sv_pv(sv); |
| 4698 | } |
| 4699 | |
| 4700 | char * |
| 4701 | Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp) |
| 4702 | { |
| 4703 | return sv_pvn(sv,lp); |
| 4704 | } |
| 4705 | |
| 4706 | char * |
| 4707 | Perl_sv_pvbyten_force(pTHX_ SV *sv, STRLEN *lp) |
| 4708 | { |
| 4709 | return sv_pvn_force(sv,lp); |
| 4710 | } |
| 4711 | |
| 4712 | char * |
| 4713 | Perl_sv_pvutf8(pTHX_ SV *sv) |
| 4714 | { |
| 4715 | return sv_pv(sv); |
| 4716 | } |
| 4717 | |
| 4718 | char * |
| 4719 | Perl_sv_pvutf8n(pTHX_ SV *sv, STRLEN *lp) |
| 4720 | { |
| 4721 | return sv_pvn(sv,lp); |
| 4722 | } |
| 4723 | |
| 4724 | char * |
| 4725 | Perl_sv_pvutf8n_force(pTHX_ SV *sv, STRLEN *lp) |
| 4726 | { |
| 4727 | return sv_pvn_force(sv,lp); |
| 4728 | } |
| 4729 | |
| 4730 | char * |
| 4731 | Perl_sv_reftype(pTHX_ SV *sv, int ob) |
| 4732 | { |
| 4733 | if (ob && SvOBJECT(sv)) |
| 4734 | return HvNAME(SvSTASH(sv)); |
| 4735 | else { |
| 4736 | switch (SvTYPE(sv)) { |
| 4737 | case SVt_NULL: |
| 4738 | case SVt_IV: |
| 4739 | case SVt_NV: |
| 4740 | case SVt_RV: |
| 4741 | case SVt_PV: |
| 4742 | case SVt_PVIV: |
| 4743 | case SVt_PVNV: |
| 4744 | case SVt_PVMG: |
| 4745 | case SVt_PVBM: |
| 4746 | if (SvROK(sv)) |
| 4747 | return "REF"; |
| 4748 | else |
| 4749 | return "SCALAR"; |
| 4750 | case SVt_PVLV: return "LVALUE"; |
| 4751 | case SVt_PVAV: return "ARRAY"; |
| 4752 | case SVt_PVHV: return "HASH"; |
| 4753 | case SVt_PVCV: return "CODE"; |
| 4754 | case SVt_PVGV: return "GLOB"; |
| 4755 | case SVt_PVFM: return "FORMAT"; |
| 4756 | default: return "UNKNOWN"; |
| 4757 | } |
| 4758 | } |
| 4759 | } |
| 4760 | |
| 4761 | int |
| 4762 | Perl_sv_isobject(pTHX_ SV *sv) |
| 4763 | { |
| 4764 | if (!sv) |
| 4765 | return 0; |
| 4766 | if (SvGMAGICAL(sv)) |
| 4767 | mg_get(sv); |
| 4768 | if (!SvROK(sv)) |
| 4769 | return 0; |
| 4770 | sv = (SV*)SvRV(sv); |
| 4771 | if (!SvOBJECT(sv)) |
| 4772 | return 0; |
| 4773 | return 1; |
| 4774 | } |
| 4775 | |
| 4776 | int |
| 4777 | Perl_sv_isa(pTHX_ SV *sv, const char *name) |
| 4778 | { |
| 4779 | if (!sv) |
| 4780 | return 0; |
| 4781 | if (SvGMAGICAL(sv)) |
| 4782 | mg_get(sv); |
| 4783 | if (!SvROK(sv)) |
| 4784 | return 0; |
| 4785 | sv = (SV*)SvRV(sv); |
| 4786 | if (!SvOBJECT(sv)) |
| 4787 | return 0; |
| 4788 | |
| 4789 | return strEQ(HvNAME(SvSTASH(sv)), name); |
| 4790 | } |
| 4791 | |
| 4792 | SV* |
| 4793 | Perl_newSVrv(pTHX_ SV *rv, const char *classname) |
| 4794 | { |
| 4795 | dTHR; |
| 4796 | SV *sv; |
| 4797 | |
| 4798 | new_SV(sv); |
| 4799 | |
| 4800 | SV_CHECK_THINKFIRST(rv); |
| 4801 | SvAMAGIC_off(rv); |
| 4802 | |
| 4803 | if (SvTYPE(rv) < SVt_RV) |
| 4804 | sv_upgrade(rv, SVt_RV); |
| 4805 | |
| 4806 | (void)SvOK_off(rv); |
| 4807 | SvRV(rv) = sv; |
| 4808 | SvROK_on(rv); |
| 4809 | |
| 4810 | if (classname) { |
| 4811 | HV* stash = gv_stashpv(classname, TRUE); |
| 4812 | (void)sv_bless(rv, stash); |
| 4813 | } |
| 4814 | return sv; |
| 4815 | } |
| 4816 | |
| 4817 | SV* |
| 4818 | Perl_sv_setref_pv(pTHX_ SV *rv, const char *classname, void *pv) |
| 4819 | { |
| 4820 | if (!pv) { |
| 4821 | sv_setsv(rv, &PL_sv_undef); |
| 4822 | SvSETMAGIC(rv); |
| 4823 | } |
| 4824 | else |
| 4825 | sv_setiv(newSVrv(rv,classname), PTR2IV(pv)); |
| 4826 | return rv; |
| 4827 | } |
| 4828 | |
| 4829 | SV* |
| 4830 | Perl_sv_setref_iv(pTHX_ SV *rv, const char *classname, IV iv) |
| 4831 | { |
| 4832 | sv_setiv(newSVrv(rv,classname), iv); |
| 4833 | return rv; |
| 4834 | } |
| 4835 | |
| 4836 | SV* |
| 4837 | Perl_sv_setref_nv(pTHX_ SV *rv, const char *classname, NV nv) |
| 4838 | { |
| 4839 | sv_setnv(newSVrv(rv,classname), nv); |
| 4840 | return rv; |
| 4841 | } |
| 4842 | |
| 4843 | SV* |
| 4844 | Perl_sv_setref_pvn(pTHX_ SV *rv, const char *classname, char *pv, STRLEN n) |
| 4845 | { |
| 4846 | sv_setpvn(newSVrv(rv,classname), pv, n); |
| 4847 | return rv; |
| 4848 | } |
| 4849 | |
| 4850 | SV* |
| 4851 | Perl_sv_bless(pTHX_ SV *sv, HV *stash) |
| 4852 | { |
| 4853 | dTHR; |
| 4854 | SV *tmpRef; |
| 4855 | if (!SvROK(sv)) |
| 4856 | Perl_croak(aTHX_ "Can't bless non-reference value"); |
| 4857 | tmpRef = SvRV(sv); |
| 4858 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { |
| 4859 | if (SvREADONLY(tmpRef)) |
| 4860 | Perl_croak(aTHX_ PL_no_modify); |
| 4861 | if (SvOBJECT(tmpRef)) { |
| 4862 | if (SvTYPE(tmpRef) != SVt_PVIO) |
| 4863 | --PL_sv_objcount; |
| 4864 | SvREFCNT_dec(SvSTASH(tmpRef)); |
| 4865 | } |
| 4866 | } |
| 4867 | SvOBJECT_on(tmpRef); |
| 4868 | if (SvTYPE(tmpRef) != SVt_PVIO) |
| 4869 | ++PL_sv_objcount; |
| 4870 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
| 4871 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); |
| 4872 | |
| 4873 | if (Gv_AMG(stash)) |
| 4874 | SvAMAGIC_on(sv); |
| 4875 | else |
| 4876 | SvAMAGIC_off(sv); |
| 4877 | |
| 4878 | return sv; |
| 4879 | } |
| 4880 | |
| 4881 | STATIC void |
| 4882 | S_sv_unglob(pTHX_ SV *sv) |
| 4883 | { |
| 4884 | assert(SvTYPE(sv) == SVt_PVGV); |
| 4885 | SvFAKE_off(sv); |
| 4886 | if (GvGP(sv)) |
| 4887 | gp_free((GV*)sv); |
| 4888 | if (GvSTASH(sv)) { |
| 4889 | SvREFCNT_dec(GvSTASH(sv)); |
| 4890 | GvSTASH(sv) = Nullhv; |
| 4891 | } |
| 4892 | sv_unmagic(sv, '*'); |
| 4893 | Safefree(GvNAME(sv)); |
| 4894 | GvMULTI_off(sv); |
| 4895 | SvFLAGS(sv) &= ~SVTYPEMASK; |
| 4896 | SvFLAGS(sv) |= SVt_PVMG; |
| 4897 | } |
| 4898 | |
| 4899 | void |
| 4900 | Perl_sv_unref(pTHX_ SV *sv) |
| 4901 | { |
| 4902 | SV* rv = SvRV(sv); |
| 4903 | |
| 4904 | if (SvWEAKREF(sv)) { |
| 4905 | sv_del_backref(sv); |
| 4906 | SvWEAKREF_off(sv); |
| 4907 | SvRV(sv) = 0; |
| 4908 | return; |
| 4909 | } |
| 4910 | SvRV(sv) = 0; |
| 4911 | SvROK_off(sv); |
| 4912 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
| 4913 | SvREFCNT_dec(rv); |
| 4914 | else |
| 4915 | sv_2mortal(rv); /* Schedule for freeing later */ |
| 4916 | } |
| 4917 | |
| 4918 | void |
| 4919 | Perl_sv_taint(pTHX_ SV *sv) |
| 4920 | { |
| 4921 | sv_magic((sv), Nullsv, 't', Nullch, 0); |
| 4922 | } |
| 4923 | |
| 4924 | void |
| 4925 | Perl_sv_untaint(pTHX_ SV *sv) |
| 4926 | { |
| 4927 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
| 4928 | MAGIC *mg = mg_find(sv, 't'); |
| 4929 | if (mg) |
| 4930 | mg->mg_len &= ~1; |
| 4931 | } |
| 4932 | } |
| 4933 | |
| 4934 | bool |
| 4935 | Perl_sv_tainted(pTHX_ SV *sv) |
| 4936 | { |
| 4937 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
| 4938 | MAGIC *mg = mg_find(sv, 't'); |
| 4939 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
| 4940 | return TRUE; |
| 4941 | } |
| 4942 | return FALSE; |
| 4943 | } |
| 4944 | |
| 4945 | void |
| 4946 | Perl_sv_setpviv(pTHX_ SV *sv, IV iv) |
| 4947 | { |
| 4948 | char buf[TYPE_CHARS(UV)]; |
| 4949 | char *ebuf; |
| 4950 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); |
| 4951 | |
| 4952 | sv_setpvn(sv, ptr, ebuf - ptr); |
| 4953 | } |
| 4954 | |
| 4955 | |
| 4956 | void |
| 4957 | Perl_sv_setpviv_mg(pTHX_ SV *sv, IV iv) |
| 4958 | { |
| 4959 | char buf[TYPE_CHARS(UV)]; |
| 4960 | char *ebuf; |
| 4961 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); |
| 4962 | |
| 4963 | sv_setpvn(sv, ptr, ebuf - ptr); |
| 4964 | SvSETMAGIC(sv); |
| 4965 | } |
| 4966 | |
| 4967 | #if defined(PERL_IMPLICIT_CONTEXT) |
| 4968 | void |
| 4969 | Perl_sv_setpvf_nocontext(SV *sv, const char* pat, ...) |
| 4970 | { |
| 4971 | dTHX; |
| 4972 | va_list args; |
| 4973 | va_start(args, pat); |
| 4974 | sv_vsetpvf(sv, pat, &args); |
| 4975 | va_end(args); |
| 4976 | } |
| 4977 | |
| 4978 | |
| 4979 | void |
| 4980 | Perl_sv_setpvf_mg_nocontext(SV *sv, const char* pat, ...) |
| 4981 | { |
| 4982 | dTHX; |
| 4983 | va_list args; |
| 4984 | va_start(args, pat); |
| 4985 | sv_vsetpvf_mg(sv, pat, &args); |
| 4986 | va_end(args); |
| 4987 | } |
| 4988 | #endif |
| 4989 | |
| 4990 | void |
| 4991 | Perl_sv_setpvf(pTHX_ SV *sv, const char* pat, ...) |
| 4992 | { |
| 4993 | va_list args; |
| 4994 | va_start(args, pat); |
| 4995 | sv_vsetpvf(sv, pat, &args); |
| 4996 | va_end(args); |
| 4997 | } |
| 4998 | |
| 4999 | void |
| 5000 | Perl_sv_vsetpvf(pTHX_ SV *sv, const char* pat, va_list* args) |
| 5001 | { |
| 5002 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
| 5003 | } |
| 5004 | |
| 5005 | void |
| 5006 | Perl_sv_setpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
| 5007 | { |
| 5008 | va_list args; |
| 5009 | va_start(args, pat); |
| 5010 | sv_vsetpvf_mg(sv, pat, &args); |
| 5011 | va_end(args); |
| 5012 | } |
| 5013 | |
| 5014 | void |
| 5015 | Perl_sv_vsetpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) |
| 5016 | { |
| 5017 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
| 5018 | SvSETMAGIC(sv); |
| 5019 | } |
| 5020 | |
| 5021 | #if defined(PERL_IMPLICIT_CONTEXT) |
| 5022 | void |
| 5023 | Perl_sv_catpvf_nocontext(SV *sv, const char* pat, ...) |
| 5024 | { |
| 5025 | dTHX; |
| 5026 | va_list args; |
| 5027 | va_start(args, pat); |
| 5028 | sv_vcatpvf(sv, pat, &args); |
| 5029 | va_end(args); |
| 5030 | } |
| 5031 | |
| 5032 | void |
| 5033 | Perl_sv_catpvf_mg_nocontext(SV *sv, const char* pat, ...) |
| 5034 | { |
| 5035 | dTHX; |
| 5036 | va_list args; |
| 5037 | va_start(args, pat); |
| 5038 | sv_vcatpvf_mg(sv, pat, &args); |
| 5039 | va_end(args); |
| 5040 | } |
| 5041 | #endif |
| 5042 | |
| 5043 | void |
| 5044 | Perl_sv_catpvf(pTHX_ SV *sv, const char* pat, ...) |
| 5045 | { |
| 5046 | va_list args; |
| 5047 | va_start(args, pat); |
| 5048 | sv_vcatpvf(sv, pat, &args); |
| 5049 | va_end(args); |
| 5050 | } |
| 5051 | |
| 5052 | void |
| 5053 | Perl_sv_vcatpvf(pTHX_ SV *sv, const char* pat, va_list* args) |
| 5054 | { |
| 5055 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
| 5056 | } |
| 5057 | |
| 5058 | void |
| 5059 | Perl_sv_catpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
| 5060 | { |
| 5061 | va_list args; |
| 5062 | va_start(args, pat); |
| 5063 | sv_vcatpvf_mg(sv, pat, &args); |
| 5064 | va_end(args); |
| 5065 | } |
| 5066 | |
| 5067 | void |
| 5068 | Perl_sv_vcatpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) |
| 5069 | { |
| 5070 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
| 5071 | SvSETMAGIC(sv); |
| 5072 | } |
| 5073 | |
| 5074 | void |
| 5075 | Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted) |
| 5076 | { |
| 5077 | sv_setpvn(sv, "", 0); |
| 5078 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, maybe_tainted); |
| 5079 | } |
| 5080 | |
| 5081 | void |
| 5082 | Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted) |
| 5083 | { |
| 5084 | dTHR; |
| 5085 | char *p; |
| 5086 | char *q; |
| 5087 | char *patend; |
| 5088 | STRLEN origlen; |
| 5089 | I32 svix = 0; |
| 5090 | static char nullstr[] = "(null)"; |
| 5091 | |
| 5092 | /* no matter what, this is a string now */ |
| 5093 | (void)SvPV_force(sv, origlen); |
| 5094 | |
| 5095 | /* special-case "", "%s", and "%_" */ |
| 5096 | if (patlen == 0) |
| 5097 | return; |
| 5098 | if (patlen == 2 && pat[0] == '%') { |
| 5099 | switch (pat[1]) { |
| 5100 | case 's': |
| 5101 | if (args) { |
| 5102 | char *s = va_arg(*args, char*); |
| 5103 | sv_catpv(sv, s ? s : nullstr); |
| 5104 | } |
| 5105 | else if (svix < svmax) |
| 5106 | sv_catsv(sv, *svargs); |
| 5107 | return; |
| 5108 | case '_': |
| 5109 | if (args) { |
| 5110 | sv_catsv(sv, va_arg(*args, SV*)); |
| 5111 | return; |
| 5112 | } |
| 5113 | /* See comment on '_' below */ |
| 5114 | break; |
| 5115 | } |
| 5116 | } |
| 5117 | |
| 5118 | patend = (char*)pat + patlen; |
| 5119 | for (p = (char*)pat; p < patend; p = q) { |
| 5120 | bool alt = FALSE; |
| 5121 | bool left = FALSE; |
| 5122 | char fill = ' '; |
| 5123 | char plus = 0; |
| 5124 | char intsize = 0; |
| 5125 | STRLEN width = 0; |
| 5126 | STRLEN zeros = 0; |
| 5127 | bool has_precis = FALSE; |
| 5128 | STRLEN precis = 0; |
| 5129 | |
| 5130 | char esignbuf[4]; |
| 5131 | U8 utf8buf[10]; |
| 5132 | STRLEN esignlen = 0; |
| 5133 | |
| 5134 | char *eptr = Nullch; |
| 5135 | STRLEN elen = 0; |
| 5136 | /* Times 4: a decimal digit takes more than 3 binary digits. |
| 5137 | * NV_DIG: mantissa takes than many decimal digits. |
| 5138 | * Plus 32: Playing safe. */ |
| 5139 | char ebuf[IV_DIG * 4 + NV_DIG + 32]; |
| 5140 | /* large enough for "%#.#f" --chip */ |
| 5141 | /* what about long double NVs? --jhi */ |
| 5142 | char c; |
| 5143 | int i; |
| 5144 | unsigned base; |
| 5145 | IV iv; |
| 5146 | UV uv; |
| 5147 | NV nv; |
| 5148 | STRLEN have; |
| 5149 | STRLEN need; |
| 5150 | STRLEN gap; |
| 5151 | |
| 5152 | for (q = p; q < patend && *q != '%'; ++q) ; |
| 5153 | if (q > p) { |
| 5154 | sv_catpvn(sv, p, q - p); |
| 5155 | p = q; |
| 5156 | } |
| 5157 | if (q++ >= patend) |
| 5158 | break; |
| 5159 | |
| 5160 | /* FLAGS */ |
| 5161 | |
| 5162 | while (*q) { |
| 5163 | switch (*q) { |
| 5164 | case ' ': |
| 5165 | case '+': |
| 5166 | plus = *q++; |
| 5167 | continue; |
| 5168 | |
| 5169 | case '-': |
| 5170 | left = TRUE; |
| 5171 | q++; |
| 5172 | continue; |
| 5173 | |
| 5174 | case '0': |
| 5175 | fill = *q++; |
| 5176 | continue; |
| 5177 | |
| 5178 | case '#': |
| 5179 | alt = TRUE; |
| 5180 | q++; |
| 5181 | continue; |
| 5182 | |
| 5183 | default: |
| 5184 | break; |
| 5185 | } |
| 5186 | break; |
| 5187 | } |
| 5188 | |
| 5189 | /* WIDTH */ |
| 5190 | |
| 5191 | switch (*q) { |
| 5192 | case '1': case '2': case '3': |
| 5193 | case '4': case '5': case '6': |
| 5194 | case '7': case '8': case '9': |
| 5195 | width = 0; |
| 5196 | while (isDIGIT(*q)) |
| 5197 | width = width * 10 + (*q++ - '0'); |
| 5198 | break; |
| 5199 | |
| 5200 | case '*': |
| 5201 | if (args) |
| 5202 | i = va_arg(*args, int); |
| 5203 | else |
| 5204 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; |
| 5205 | left |= (i < 0); |
| 5206 | width = (i < 0) ? -i : i; |
| 5207 | q++; |
| 5208 | break; |
| 5209 | } |
| 5210 | |
| 5211 | /* PRECISION */ |
| 5212 | |
| 5213 | if (*q == '.') { |
| 5214 | q++; |
| 5215 | if (*q == '*') { |
| 5216 | if (args) |
| 5217 | i = va_arg(*args, int); |
| 5218 | else |
| 5219 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; |
| 5220 | precis = (i < 0) ? 0 : i; |
| 5221 | q++; |
| 5222 | } |
| 5223 | else { |
| 5224 | precis = 0; |
| 5225 | while (isDIGIT(*q)) |
| 5226 | precis = precis * 10 + (*q++ - '0'); |
| 5227 | } |
| 5228 | has_precis = TRUE; |
| 5229 | } |
| 5230 | |
| 5231 | /* SIZE */ |
| 5232 | |
| 5233 | switch (*q) { |
| 5234 | #ifdef HAS_QUAD |
| 5235 | case 'L': /* Ld */ |
| 5236 | case 'q': /* qd */ |
| 5237 | intsize = 'q'; |
| 5238 | q++; |
| 5239 | break; |
| 5240 | #endif |
| 5241 | case 'l': |
| 5242 | #ifdef HAS_QUAD |
| 5243 | if (*(q + 1) == 'l') { /* lld */ |
| 5244 | intsize = 'q'; |
| 5245 | q += 2; |
| 5246 | break; |
| 5247 | } |
| 5248 | #endif |
| 5249 | /* FALL THROUGH */ |
| 5250 | case 'h': |
| 5251 | /* FALL THROUGH */ |
| 5252 | case 'V': |
| 5253 | intsize = *q++; |
| 5254 | break; |
| 5255 | } |
| 5256 | |
| 5257 | /* CONVERSION */ |
| 5258 | |
| 5259 | switch (c = *q++) { |
| 5260 | |
| 5261 | /* STRINGS */ |
| 5262 | |
| 5263 | case '%': |
| 5264 | eptr = q - 1; |
| 5265 | elen = 1; |
| 5266 | goto string; |
| 5267 | |
| 5268 | case 'c': |
| 5269 | if (IN_UTF8) { |
| 5270 | if (args) |
| 5271 | uv = va_arg(*args, int); |
| 5272 | else |
| 5273 | uv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; |
| 5274 | |
| 5275 | eptr = (char*)utf8buf; |
| 5276 | elen = uv_to_utf8((U8*)eptr, uv) - utf8buf; |
| 5277 | goto string; |
| 5278 | } |
| 5279 | if (args) |
| 5280 | c = va_arg(*args, int); |
| 5281 | else |
| 5282 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; |
| 5283 | eptr = &c; |
| 5284 | elen = 1; |
| 5285 | goto string; |
| 5286 | |
| 5287 | case 's': |
| 5288 | if (args) { |
| 5289 | eptr = va_arg(*args, char*); |
| 5290 | if (eptr) |
| 5291 | #ifdef MACOS_TRADITIONAL |
| 5292 | /* On MacOS, %#s format is used for Pascal strings */ |
| 5293 | if (alt) |
| 5294 | elen = *eptr++; |
| 5295 | else |
| 5296 | #endif |
| 5297 | elen = strlen(eptr); |
| 5298 | else { |
| 5299 | eptr = nullstr; |
| 5300 | elen = sizeof nullstr - 1; |
| 5301 | } |
| 5302 | } |
| 5303 | else if (svix < svmax) { |
| 5304 | eptr = SvPVx(svargs[svix++], elen); |
| 5305 | if (IN_UTF8) { |
| 5306 | if (has_precis && precis < elen) { |
| 5307 | I32 p = precis; |
| 5308 | sv_pos_u2b(svargs[svix - 1], &p, 0); /* sticks at end */ |
| 5309 | precis = p; |
| 5310 | } |
| 5311 | if (width) { /* fudge width (can't fudge elen) */ |
| 5312 | width += elen - sv_len_utf8(svargs[svix - 1]); |
| 5313 | } |
| 5314 | } |
| 5315 | } |
| 5316 | goto string; |
| 5317 | |
| 5318 | case '_': |
| 5319 | /* |
| 5320 | * The "%_" hack might have to be changed someday, |
| 5321 | * if ISO or ANSI decide to use '_' for something. |
| 5322 | * So we keep it hidden from users' code. |
| 5323 | */ |
| 5324 | if (!args) |
| 5325 | goto unknown; |
| 5326 | eptr = SvPVx(va_arg(*args, SV*), elen); |
| 5327 | |
| 5328 | string: |
| 5329 | if (has_precis && elen > precis) |
| 5330 | elen = precis; |
| 5331 | break; |
| 5332 | |
| 5333 | /* INTEGERS */ |
| 5334 | |
| 5335 | case 'p': |
| 5336 | if (args) |
| 5337 | uv = PTR2UV(va_arg(*args, void*)); |
| 5338 | else |
| 5339 | uv = (svix < svmax) ? PTR2UV(svargs[svix++]) : 0; |
| 5340 | base = 16; |
| 5341 | goto integer; |
| 5342 | |
| 5343 | case 'D': |
| 5344 | #ifdef IV_IS_QUAD |
| 5345 | intsize = 'q'; |
| 5346 | #else |
| 5347 | intsize = 'l'; |
| 5348 | #endif |
| 5349 | /* FALL THROUGH */ |
| 5350 | case 'd': |
| 5351 | case 'i': |
| 5352 | if (args) { |
| 5353 | switch (intsize) { |
| 5354 | case 'h': iv = (short)va_arg(*args, int); break; |
| 5355 | default: iv = va_arg(*args, int); break; |
| 5356 | case 'l': iv = va_arg(*args, long); break; |
| 5357 | case 'V': iv = va_arg(*args, IV); break; |
| 5358 | #ifdef HAS_QUAD |
| 5359 | case 'q': iv = va_arg(*args, Quad_t); break; |
| 5360 | #endif |
| 5361 | } |
| 5362 | } |
| 5363 | else { |
| 5364 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; |
| 5365 | switch (intsize) { |
| 5366 | case 'h': iv = (short)iv; break; |
| 5367 | default: iv = (int)iv; break; |
| 5368 | case 'l': iv = (long)iv; break; |
| 5369 | case 'V': break; |
| 5370 | #ifdef HAS_QUAD |
| 5371 | case 'q': iv = (Quad_t)iv; break; |
| 5372 | #endif |
| 5373 | } |
| 5374 | } |
| 5375 | if (iv >= 0) { |
| 5376 | uv = iv; |
| 5377 | if (plus) |
| 5378 | esignbuf[esignlen++] = plus; |
| 5379 | } |
| 5380 | else { |
| 5381 | uv = -iv; |
| 5382 | esignbuf[esignlen++] = '-'; |
| 5383 | } |
| 5384 | base = 10; |
| 5385 | goto integer; |
| 5386 | |
| 5387 | case 'U': |
| 5388 | #ifdef IV_IS_QUAD |
| 5389 | intsize = 'q'; |
| 5390 | #else |
| 5391 | intsize = 'l'; |
| 5392 | #endif |
| 5393 | /* FALL THROUGH */ |
| 5394 | case 'u': |
| 5395 | base = 10; |
| 5396 | goto uns_integer; |
| 5397 | |
| 5398 | case 'b': |
| 5399 | base = 2; |
| 5400 | goto uns_integer; |
| 5401 | |
| 5402 | case 'O': |
| 5403 | #ifdef IV_IS_QUAD |
| 5404 | intsize = 'q'; |
| 5405 | #else |
| 5406 | intsize = 'l'; |
| 5407 | #endif |
| 5408 | /* FALL THROUGH */ |
| 5409 | case 'o': |
| 5410 | base = 8; |
| 5411 | goto uns_integer; |
| 5412 | |
| 5413 | case 'X': |
| 5414 | case 'x': |
| 5415 | base = 16; |
| 5416 | |
| 5417 | uns_integer: |
| 5418 | if (args) { |
| 5419 | switch (intsize) { |
| 5420 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; |
| 5421 | default: uv = va_arg(*args, unsigned); break; |
| 5422 | case 'l': uv = va_arg(*args, unsigned long); break; |
| 5423 | case 'V': uv = va_arg(*args, UV); break; |
| 5424 | #ifdef HAS_QUAD |
| 5425 | case 'q': uv = va_arg(*args, Quad_t); break; |
| 5426 | #endif |
| 5427 | } |
| 5428 | } |
| 5429 | else { |
| 5430 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; |
| 5431 | switch (intsize) { |
| 5432 | case 'h': uv = (unsigned short)uv; break; |
| 5433 | default: uv = (unsigned)uv; break; |
| 5434 | case 'l': uv = (unsigned long)uv; break; |
| 5435 | case 'V': break; |
| 5436 | #ifdef HAS_QUAD |
| 5437 | case 'q': uv = (Quad_t)uv; break; |
| 5438 | #endif |
| 5439 | } |
| 5440 | } |
| 5441 | |
| 5442 | integer: |
| 5443 | eptr = ebuf + sizeof ebuf; |
| 5444 | switch (base) { |
| 5445 | unsigned dig; |
| 5446 | case 16: |
| 5447 | if (!uv) |
| 5448 | alt = FALSE; |
| 5449 | p = (char*)((c == 'X') |
| 5450 | ? "0123456789ABCDEF" : "0123456789abcdef"); |
| 5451 | do { |
| 5452 | dig = uv & 15; |
| 5453 | *--eptr = p[dig]; |
| 5454 | } while (uv >>= 4); |
| 5455 | if (alt) { |
| 5456 | esignbuf[esignlen++] = '0'; |
| 5457 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
| 5458 | } |
| 5459 | break; |
| 5460 | case 8: |
| 5461 | do { |
| 5462 | dig = uv & 7; |
| 5463 | *--eptr = '0' + dig; |
| 5464 | } while (uv >>= 3); |
| 5465 | if (alt && *eptr != '0') |
| 5466 | *--eptr = '0'; |
| 5467 | break; |
| 5468 | case 2: |
| 5469 | do { |
| 5470 | dig = uv & 1; |
| 5471 | *--eptr = '0' + dig; |
| 5472 | } while (uv >>= 1); |
| 5473 | if (alt) { |
| 5474 | esignbuf[esignlen++] = '0'; |
| 5475 | esignbuf[esignlen++] = 'b'; |
| 5476 | } |
| 5477 | break; |
| 5478 | default: /* it had better be ten or less */ |
| 5479 | #if defined(PERL_Y2KWARN) |
| 5480 | if (ckWARN(WARN_MISC)) { |
| 5481 | STRLEN n; |
| 5482 | char *s = SvPV(sv,n); |
| 5483 | if (n >= 2 && s[n-2] == '1' && s[n-1] == '9' |
| 5484 | && (n == 2 || !isDIGIT(s[n-3]))) |
| 5485 | { |
| 5486 | Perl_warner(aTHX_ WARN_MISC, |
| 5487 | "Possible Y2K bug: %%%c %s", |
| 5488 | c, "format string following '19'"); |
| 5489 | } |
| 5490 | } |
| 5491 | #endif |
| 5492 | do { |
| 5493 | dig = uv % base; |
| 5494 | *--eptr = '0' + dig; |
| 5495 | } while (uv /= base); |
| 5496 | break; |
| 5497 | } |
| 5498 | elen = (ebuf + sizeof ebuf) - eptr; |
| 5499 | if (has_precis) { |
| 5500 | if (precis > elen) |
| 5501 | zeros = precis - elen; |
| 5502 | else if (precis == 0 && elen == 1 && *eptr == '0') |
| 5503 | elen = 0; |
| 5504 | } |
| 5505 | break; |
| 5506 | |
| 5507 | /* FLOATING POINT */ |
| 5508 | |
| 5509 | case 'F': |
| 5510 | c = 'f'; /* maybe %F isn't supported here */ |
| 5511 | /* FALL THROUGH */ |
| 5512 | case 'e': case 'E': |
| 5513 | case 'f': |
| 5514 | case 'g': case 'G': |
| 5515 | |
| 5516 | /* This is evil, but floating point is even more evil */ |
| 5517 | |
| 5518 | if (args) |
| 5519 | nv = va_arg(*args, NV); |
| 5520 | else |
| 5521 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; |
| 5522 | |
| 5523 | need = 0; |
| 5524 | if (c != 'e' && c != 'E') { |
| 5525 | i = PERL_INT_MIN; |
| 5526 | (void)frexp(nv, &i); |
| 5527 | if (i == PERL_INT_MIN) |
| 5528 | Perl_die(aTHX_ "panic: frexp"); |
| 5529 | if (i > 0) |
| 5530 | need = BIT_DIGITS(i); |
| 5531 | } |
| 5532 | need += has_precis ? precis : 6; /* known default */ |
| 5533 | if (need < width) |
| 5534 | need = width; |
| 5535 | |
| 5536 | need += 20; /* fudge factor */ |
| 5537 | if (PL_efloatsize < need) { |
| 5538 | Safefree(PL_efloatbuf); |
| 5539 | PL_efloatsize = need + 20; /* more fudge */ |
| 5540 | New(906, PL_efloatbuf, PL_efloatsize, char); |
| 5541 | PL_efloatbuf[0] = '\0'; |
| 5542 | } |
| 5543 | |
| 5544 | eptr = ebuf + sizeof ebuf; |
| 5545 | *--eptr = '\0'; |
| 5546 | *--eptr = c; |
| 5547 | #ifdef USE_LONG_DOUBLE |
| 5548 | { |
| 5549 | char* p = PERL_PRIfldbl + sizeof(PERL_PRIfldbl) - 3; |
| 5550 | while (p >= PERL_PRIfldbl) { *--eptr = *p--; } |
| 5551 | } |
| 5552 | #endif |
| 5553 | if (has_precis) { |
| 5554 | base = precis; |
| 5555 | do { *--eptr = '0' + (base % 10); } while (base /= 10); |
| 5556 | *--eptr = '.'; |
| 5557 | } |
| 5558 | if (width) { |
| 5559 | base = width; |
| 5560 | do { *--eptr = '0' + (base % 10); } while (base /= 10); |
| 5561 | } |
| 5562 | if (fill == '0') |
| 5563 | *--eptr = fill; |
| 5564 | if (left) |
| 5565 | *--eptr = '-'; |
| 5566 | if (plus) |
| 5567 | *--eptr = plus; |
| 5568 | if (alt) |
| 5569 | *--eptr = '#'; |
| 5570 | *--eptr = '%'; |
| 5571 | |
| 5572 | { |
| 5573 | RESTORE_NUMERIC_STANDARD(); |
| 5574 | (void)sprintf(PL_efloatbuf, eptr, nv); |
| 5575 | RESTORE_NUMERIC_LOCAL(); |
| 5576 | } |
| 5577 | |
| 5578 | eptr = PL_efloatbuf; |
| 5579 | elen = strlen(PL_efloatbuf); |
| 5580 | break; |
| 5581 | |
| 5582 | /* SPECIAL */ |
| 5583 | |
| 5584 | case 'n': |
| 5585 | i = SvCUR(sv) - origlen; |
| 5586 | if (args) { |
| 5587 | switch (intsize) { |
| 5588 | case 'h': *(va_arg(*args, short*)) = i; break; |
| 5589 | default: *(va_arg(*args, int*)) = i; break; |
| 5590 | case 'l': *(va_arg(*args, long*)) = i; break; |
| 5591 | case 'V': *(va_arg(*args, IV*)) = i; break; |
| 5592 | #ifdef HAS_QUAD |
| 5593 | case 'q': *(va_arg(*args, Quad_t*)) = i; break; |
| 5594 | #endif |
| 5595 | } |
| 5596 | } |
| 5597 | else if (svix < svmax) |
| 5598 | sv_setuv(svargs[svix++], (UV)i); |
| 5599 | continue; /* not "break" */ |
| 5600 | |
| 5601 | /* UNKNOWN */ |
| 5602 | |
| 5603 | default: |
| 5604 | unknown: |
| 5605 | if (!args && ckWARN(WARN_PRINTF) && |
| 5606 | (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) { |
| 5607 | SV *msg = sv_newmortal(); |
| 5608 | Perl_sv_setpvf(aTHX_ msg, "Invalid conversion in %s: ", |
| 5609 | (PL_op->op_type == OP_PRTF) ? "printf" : "sprintf"); |
| 5610 | if (c) { |
| 5611 | if (isPRINT(c)) |
| 5612 | Perl_sv_catpvf(aTHX_ msg, |
| 5613 | "\"%%%c\"", c & 0xFF); |
| 5614 | else |
| 5615 | Perl_sv_catpvf(aTHX_ msg, |
| 5616 | "\"%%\\%03"UVof"\"", |
| 5617 | (UV)c & 0xFF); |
| 5618 | } else |
| 5619 | sv_catpv(msg, "end of string"); |
| 5620 | Perl_warner(aTHX_ WARN_PRINTF, "%"SVf, msg); /* yes, this is reentrant */ |
| 5621 | } |
| 5622 | |
| 5623 | /* output mangled stuff ... */ |
| 5624 | if (c == '\0') |
| 5625 | --q; |
| 5626 | eptr = p; |
| 5627 | elen = q - p; |
| 5628 | |
| 5629 | /* ... right here, because formatting flags should not apply */ |
| 5630 | SvGROW(sv, SvCUR(sv) + elen + 1); |
| 5631 | p = SvEND(sv); |
| 5632 | memcpy(p, eptr, elen); |
| 5633 | p += elen; |
| 5634 | *p = '\0'; |
| 5635 | SvCUR(sv) = p - SvPVX(sv); |
| 5636 | continue; /* not "break" */ |
| 5637 | } |
| 5638 | |
| 5639 | have = esignlen + zeros + elen; |
| 5640 | need = (have > width ? have : width); |
| 5641 | gap = need - have; |
| 5642 | |
| 5643 | SvGROW(sv, SvCUR(sv) + need + 1); |
| 5644 | p = SvEND(sv); |
| 5645 | if (esignlen && fill == '0') { |
| 5646 | for (i = 0; i < esignlen; i++) |
| 5647 | *p++ = esignbuf[i]; |
| 5648 | } |
| 5649 | if (gap && !left) { |
| 5650 | memset(p, fill, gap); |
| 5651 | p += gap; |
| 5652 | } |
| 5653 | if (esignlen && fill != '0') { |
| 5654 | for (i = 0; i < esignlen; i++) |
| 5655 | *p++ = esignbuf[i]; |
| 5656 | } |
| 5657 | if (zeros) { |
| 5658 | for (i = zeros; i; i--) |
| 5659 | *p++ = '0'; |
| 5660 | } |
| 5661 | if (elen) { |
| 5662 | memcpy(p, eptr, elen); |
| 5663 | p += elen; |
| 5664 | } |
| 5665 | if (gap && left) { |
| 5666 | memset(p, ' ', gap); |
| 5667 | p += gap; |
| 5668 | } |
| 5669 | *p = '\0'; |
| 5670 | SvCUR(sv) = p - SvPVX(sv); |
| 5671 | } |
| 5672 | } |
| 5673 | |
| 5674 | #if defined(USE_ITHREADS) |
| 5675 | |
| 5676 | #if defined(USE_THREADS) |
| 5677 | # include "error: USE_THREADS and USE_ITHREADS are incompatible" |
| 5678 | #endif |
| 5679 | |
| 5680 | #ifndef OpREFCNT_inc |
| 5681 | # define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : Nullop) |
| 5682 | #endif |
| 5683 | |
| 5684 | #ifndef GpREFCNT_inc |
| 5685 | # define GpREFCNT_inc(gp) ((gp) ? (++(gp)->gp_refcnt, (gp)) : (GP*)NULL) |
| 5686 | #endif |
| 5687 | |
| 5688 | |
| 5689 | #define sv_dup_inc(s) SvREFCNT_inc(sv_dup(s)) |
| 5690 | #define av_dup(s) (AV*)sv_dup((SV*)s) |
| 5691 | #define av_dup_inc(s) (AV*)SvREFCNT_inc(sv_dup((SV*)s)) |
| 5692 | #define hv_dup(s) (HV*)sv_dup((SV*)s) |
| 5693 | #define hv_dup_inc(s) (HV*)SvREFCNT_inc(sv_dup((SV*)s)) |
| 5694 | #define cv_dup(s) (CV*)sv_dup((SV*)s) |
| 5695 | #define cv_dup_inc(s) (CV*)SvREFCNT_inc(sv_dup((SV*)s)) |
| 5696 | #define io_dup(s) (IO*)sv_dup((SV*)s) |
| 5697 | #define io_dup_inc(s) (IO*)SvREFCNT_inc(sv_dup((SV*)s)) |
| 5698 | #define gv_dup(s) (GV*)sv_dup((SV*)s) |
| 5699 | #define gv_dup_inc(s) (GV*)SvREFCNT_inc(sv_dup((SV*)s)) |
| 5700 | #define SAVEPV(p) (p ? savepv(p) : Nullch) |
| 5701 | #define SAVEPVN(p,n) (p ? savepvn(p,n) : Nullch) |
| 5702 | |
| 5703 | REGEXP * |
| 5704 | Perl_re_dup(pTHX_ REGEXP *r) |
| 5705 | { |
| 5706 | /* XXX fix when pmop->op_pmregexp becomes shared */ |
| 5707 | return ReREFCNT_inc(r); |
| 5708 | } |
| 5709 | |
| 5710 | PerlIO * |
| 5711 | Perl_fp_dup(pTHX_ PerlIO *fp, char type) |
| 5712 | { |
| 5713 | PerlIO *ret; |
| 5714 | if (!fp) |
| 5715 | return (PerlIO*)NULL; |
| 5716 | |
| 5717 | /* look for it in the table first */ |
| 5718 | ret = (PerlIO*)ptr_table_fetch(PL_ptr_table, fp); |
| 5719 | if (ret) |
| 5720 | return ret; |
| 5721 | |
| 5722 | /* create anew and remember what it is */ |
| 5723 | ret = PerlIO_fdupopen(fp); |
| 5724 | ptr_table_store(PL_ptr_table, fp, ret); |
| 5725 | return ret; |
| 5726 | } |
| 5727 | |
| 5728 | DIR * |
| 5729 | Perl_dirp_dup(pTHX_ DIR *dp) |
| 5730 | { |
| 5731 | if (!dp) |
| 5732 | return (DIR*)NULL; |
| 5733 | /* XXX TODO */ |
| 5734 | return dp; |
| 5735 | } |
| 5736 | |
| 5737 | GP * |
| 5738 | Perl_gp_dup(pTHX_ GP *gp) |
| 5739 | { |
| 5740 | GP *ret; |
| 5741 | if (!gp) |
| 5742 | return (GP*)NULL; |
| 5743 | /* look for it in the table first */ |
| 5744 | ret = (GP*)ptr_table_fetch(PL_ptr_table, gp); |
| 5745 | if (ret) |
| 5746 | return ret; |
| 5747 | |
| 5748 | /* create anew and remember what it is */ |
| 5749 | Newz(0, ret, 1, GP); |
| 5750 | ptr_table_store(PL_ptr_table, gp, ret); |
| 5751 | |
| 5752 | /* clone */ |
| 5753 | ret->gp_refcnt = 0; /* must be before any other dups! */ |
| 5754 | ret->gp_sv = sv_dup_inc(gp->gp_sv); |
| 5755 | ret->gp_io = io_dup_inc(gp->gp_io); |
| 5756 | ret->gp_form = cv_dup_inc(gp->gp_form); |
| 5757 | ret->gp_av = av_dup_inc(gp->gp_av); |
| 5758 | ret->gp_hv = hv_dup_inc(gp->gp_hv); |
| 5759 | ret->gp_egv = gv_dup(gp->gp_egv); /* GvEGV is not refcounted */ |
| 5760 | ret->gp_cv = cv_dup_inc(gp->gp_cv); |
| 5761 | ret->gp_cvgen = gp->gp_cvgen; |
| 5762 | ret->gp_flags = gp->gp_flags; |
| 5763 | ret->gp_line = gp->gp_line; |
| 5764 | ret->gp_file = gp->gp_file; /* points to COP.cop_file */ |
| 5765 | return ret; |
| 5766 | } |
| 5767 | |
| 5768 | MAGIC * |
| 5769 | Perl_mg_dup(pTHX_ MAGIC *mg) |
| 5770 | { |
| 5771 | MAGIC *mgret = (MAGIC*)NULL; |
| 5772 | MAGIC *mgprev; |
| 5773 | if (!mg) |
| 5774 | return (MAGIC*)NULL; |
| 5775 | /* look for it in the table first */ |
| 5776 | mgret = (MAGIC*)ptr_table_fetch(PL_ptr_table, mg); |
| 5777 | if (mgret) |
| 5778 | return mgret; |
| 5779 | |
| 5780 | for (; mg; mg = mg->mg_moremagic) { |
| 5781 | MAGIC *nmg; |
| 5782 | Newz(0, nmg, 1, MAGIC); |
| 5783 | if (!mgret) |
| 5784 | mgret = nmg; |
| 5785 | else |
| 5786 | mgprev->mg_moremagic = nmg; |
| 5787 | nmg->mg_virtual = mg->mg_virtual; /* XXX copy dynamic vtable? */ |
| 5788 | nmg->mg_private = mg->mg_private; |
| 5789 | nmg->mg_type = mg->mg_type; |
| 5790 | nmg->mg_flags = mg->mg_flags; |
| 5791 | if (mg->mg_type == 'r') { |
| 5792 | nmg->mg_obj = (SV*)re_dup((REGEXP*)mg->mg_obj); |
| 5793 | } |
| 5794 | else { |
| 5795 | nmg->mg_obj = (mg->mg_flags & MGf_REFCOUNTED) |
| 5796 | ? sv_dup_inc(mg->mg_obj) |
| 5797 | : sv_dup(mg->mg_obj); |
| 5798 | } |
| 5799 | nmg->mg_len = mg->mg_len; |
| 5800 | nmg->mg_ptr = mg->mg_ptr; /* XXX random ptr? */ |
| 5801 | if (mg->mg_ptr && mg->mg_type != 'g') { |
| 5802 | if (mg->mg_len >= 0) { |
| 5803 | nmg->mg_ptr = SAVEPVN(mg->mg_ptr, mg->mg_len); |
| 5804 | if (mg->mg_type == 'c' && AMT_AMAGIC((AMT*)mg->mg_ptr)) { |
| 5805 | AMT *amtp = (AMT*)mg->mg_ptr; |
| 5806 | AMT *namtp = (AMT*)nmg->mg_ptr; |
| 5807 | I32 i; |
| 5808 | for (i = 1; i < NofAMmeth; i++) { |
| 5809 | namtp->table[i] = cv_dup_inc(amtp->table[i]); |
| 5810 | } |
| 5811 | } |
| 5812 | } |
| 5813 | else if (mg->mg_len == HEf_SVKEY) |
| 5814 | nmg->mg_ptr = (char*)sv_dup_inc((SV*)mg->mg_ptr); |
| 5815 | } |
| 5816 | mgprev = nmg; |
| 5817 | } |
| 5818 | return mgret; |
| 5819 | } |
| 5820 | |
| 5821 | PTR_TBL_t * |
| 5822 | Perl_ptr_table_new(pTHX) |
| 5823 | { |
| 5824 | PTR_TBL_t *tbl; |
| 5825 | Newz(0, tbl, 1, PTR_TBL_t); |
| 5826 | tbl->tbl_max = 511; |
| 5827 | tbl->tbl_items = 0; |
| 5828 | Newz(0, tbl->tbl_ary, tbl->tbl_max + 1, PTR_TBL_ENT_t*); |
| 5829 | return tbl; |
| 5830 | } |
| 5831 | |
| 5832 | void * |
| 5833 | Perl_ptr_table_fetch(pTHX_ PTR_TBL_t *tbl, void *sv) |
| 5834 | { |
| 5835 | PTR_TBL_ENT_t *tblent; |
| 5836 | UV hash = (UV)sv; |
| 5837 | assert(tbl); |
| 5838 | tblent = tbl->tbl_ary[hash & tbl->tbl_max]; |
| 5839 | for (; tblent; tblent = tblent->next) { |
| 5840 | if (tblent->oldval == sv) |
| 5841 | return tblent->newval; |
| 5842 | } |
| 5843 | return (void*)NULL; |
| 5844 | } |
| 5845 | |
| 5846 | void |
| 5847 | Perl_ptr_table_store(pTHX_ PTR_TBL_t *tbl, void *oldv, void *newv) |
| 5848 | { |
| 5849 | PTR_TBL_ENT_t *tblent, **otblent; |
| 5850 | /* XXX this may be pessimal on platforms where pointers aren't good |
| 5851 | * hash values e.g. if they grow faster in the most significant |
| 5852 | * bits */ |
| 5853 | UV hash = (UV)oldv; |
| 5854 | bool i = 1; |
| 5855 | |
| 5856 | assert(tbl); |
| 5857 | otblent = &tbl->tbl_ary[hash & tbl->tbl_max]; |
| 5858 | for (tblent = *otblent; tblent; i=0, tblent = tblent->next) { |
| 5859 | if (tblent->oldval == oldv) { |
| 5860 | tblent->newval = newv; |
| 5861 | tbl->tbl_items++; |
| 5862 | return; |
| 5863 | } |
| 5864 | } |
| 5865 | Newz(0, tblent, 1, PTR_TBL_ENT_t); |
| 5866 | tblent->oldval = oldv; |
| 5867 | tblent->newval = newv; |
| 5868 | tblent->next = *otblent; |
| 5869 | *otblent = tblent; |
| 5870 | tbl->tbl_items++; |
| 5871 | if (i && tbl->tbl_items > tbl->tbl_max) |
| 5872 | ptr_table_split(tbl); |
| 5873 | } |
| 5874 | |
| 5875 | void |
| 5876 | Perl_ptr_table_split(pTHX_ PTR_TBL_t *tbl) |
| 5877 | { |
| 5878 | PTR_TBL_ENT_t **ary = tbl->tbl_ary; |
| 5879 | UV oldsize = tbl->tbl_max + 1; |
| 5880 | UV newsize = oldsize * 2; |
| 5881 | UV i; |
| 5882 | |
| 5883 | Renew(ary, newsize, PTR_TBL_ENT_t*); |
| 5884 | Zero(&ary[oldsize], newsize-oldsize, PTR_TBL_ENT_t*); |
| 5885 | tbl->tbl_max = --newsize; |
| 5886 | tbl->tbl_ary = ary; |
| 5887 | for (i=0; i < oldsize; i++, ary++) { |
| 5888 | PTR_TBL_ENT_t **curentp, **entp, *ent; |
| 5889 | if (!*ary) |
| 5890 | continue; |
| 5891 | curentp = ary + oldsize; |
| 5892 | for (entp = ary, ent = *ary; ent; ent = *entp) { |
| 5893 | if ((newsize & (UV)ent->oldval) != i) { |
| 5894 | *entp = ent->next; |
| 5895 | ent->next = *curentp; |
| 5896 | *curentp = ent; |
| 5897 | continue; |
| 5898 | } |
| 5899 | else |
| 5900 | entp = &ent->next; |
| 5901 | } |
| 5902 | } |
| 5903 | } |
| 5904 | |
| 5905 | #ifdef DEBUGGING |
| 5906 | char *PL_watch_pvx; |
| 5907 | #endif |
| 5908 | |
| 5909 | SV * |
| 5910 | Perl_sv_dup(pTHX_ SV *sstr) |
| 5911 | { |
| 5912 | U32 sflags; |
| 5913 | int dtype; |
| 5914 | int stype; |
| 5915 | SV *dstr; |
| 5916 | |
| 5917 | if (!sstr || SvTYPE(sstr) == SVTYPEMASK) |
| 5918 | return Nullsv; |
| 5919 | /* look for it in the table first */ |
| 5920 | dstr = (SV*)ptr_table_fetch(PL_ptr_table, sstr); |
| 5921 | if (dstr) |
| 5922 | return dstr; |
| 5923 | |
| 5924 | /* create anew and remember what it is */ |
| 5925 | new_SV(dstr); |
| 5926 | ptr_table_store(PL_ptr_table, sstr, dstr); |
| 5927 | |
| 5928 | /* clone */ |
| 5929 | SvFLAGS(dstr) = SvFLAGS(sstr); |
| 5930 | SvFLAGS(dstr) &= ~SVf_OOK; /* don't propagate OOK hack */ |
| 5931 | SvREFCNT(dstr) = 0; /* must be before any other dups! */ |
| 5932 | |
| 5933 | #ifdef DEBUGGING |
| 5934 | if (SvANY(sstr) && PL_watch_pvx && SvPVX(sstr) == PL_watch_pvx) |
| 5935 | PerlIO_printf(Perl_debug_log, "watch at %p hit, found string \"%s\"\n", |
| 5936 | PL_watch_pvx, SvPVX(sstr)); |
| 5937 | #endif |
| 5938 | |
| 5939 | switch (SvTYPE(sstr)) { |
| 5940 | case SVt_NULL: |
| 5941 | SvANY(dstr) = NULL; |
| 5942 | break; |
| 5943 | case SVt_IV: |
| 5944 | SvANY(dstr) = new_XIV(); |
| 5945 | SvIVX(dstr) = SvIVX(sstr); |
| 5946 | break; |
| 5947 | case SVt_NV: |
| 5948 | SvANY(dstr) = new_XNV(); |
| 5949 | SvNVX(dstr) = SvNVX(sstr); |
| 5950 | break; |
| 5951 | case SVt_RV: |
| 5952 | SvANY(dstr) = new_XRV(); |
| 5953 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 5954 | break; |
| 5955 | case SVt_PV: |
| 5956 | SvANY(dstr) = new_XPV(); |
| 5957 | SvCUR(dstr) = SvCUR(sstr); |
| 5958 | SvLEN(dstr) = SvLEN(sstr); |
| 5959 | if (SvROK(sstr)) |
| 5960 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 5961 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 5962 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 5963 | else |
| 5964 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 5965 | break; |
| 5966 | case SVt_PVIV: |
| 5967 | SvANY(dstr) = new_XPVIV(); |
| 5968 | SvCUR(dstr) = SvCUR(sstr); |
| 5969 | SvLEN(dstr) = SvLEN(sstr); |
| 5970 | SvIVX(dstr) = SvIVX(sstr); |
| 5971 | if (SvROK(sstr)) |
| 5972 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 5973 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 5974 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 5975 | else |
| 5976 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 5977 | break; |
| 5978 | case SVt_PVNV: |
| 5979 | SvANY(dstr) = new_XPVNV(); |
| 5980 | SvCUR(dstr) = SvCUR(sstr); |
| 5981 | SvLEN(dstr) = SvLEN(sstr); |
| 5982 | SvIVX(dstr) = SvIVX(sstr); |
| 5983 | SvNVX(dstr) = SvNVX(sstr); |
| 5984 | if (SvROK(sstr)) |
| 5985 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 5986 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 5987 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 5988 | else |
| 5989 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 5990 | break; |
| 5991 | case SVt_PVMG: |
| 5992 | SvANY(dstr) = new_XPVMG(); |
| 5993 | SvCUR(dstr) = SvCUR(sstr); |
| 5994 | SvLEN(dstr) = SvLEN(sstr); |
| 5995 | SvIVX(dstr) = SvIVX(sstr); |
| 5996 | SvNVX(dstr) = SvNVX(sstr); |
| 5997 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 5998 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 5999 | if (SvROK(sstr)) |
| 6000 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 6001 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 6002 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6003 | else |
| 6004 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6005 | break; |
| 6006 | case SVt_PVBM: |
| 6007 | SvANY(dstr) = new_XPVBM(); |
| 6008 | SvCUR(dstr) = SvCUR(sstr); |
| 6009 | SvLEN(dstr) = SvLEN(sstr); |
| 6010 | SvIVX(dstr) = SvIVX(sstr); |
| 6011 | SvNVX(dstr) = SvNVX(sstr); |
| 6012 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6013 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6014 | if (SvROK(sstr)) |
| 6015 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 6016 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 6017 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6018 | else |
| 6019 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6020 | BmRARE(dstr) = BmRARE(sstr); |
| 6021 | BmUSEFUL(dstr) = BmUSEFUL(sstr); |
| 6022 | BmPREVIOUS(dstr)= BmPREVIOUS(sstr); |
| 6023 | break; |
| 6024 | case SVt_PVLV: |
| 6025 | SvANY(dstr) = new_XPVLV(); |
| 6026 | SvCUR(dstr) = SvCUR(sstr); |
| 6027 | SvLEN(dstr) = SvLEN(sstr); |
| 6028 | SvIVX(dstr) = SvIVX(sstr); |
| 6029 | SvNVX(dstr) = SvNVX(sstr); |
| 6030 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6031 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6032 | if (SvROK(sstr)) |
| 6033 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 6034 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 6035 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6036 | else |
| 6037 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6038 | LvTARGOFF(dstr) = LvTARGOFF(sstr); /* XXX sometimes holds PMOP* when DEBUGGING */ |
| 6039 | LvTARGLEN(dstr) = LvTARGLEN(sstr); |
| 6040 | LvTARG(dstr) = sv_dup_inc(LvTARG(sstr)); |
| 6041 | LvTYPE(dstr) = LvTYPE(sstr); |
| 6042 | break; |
| 6043 | case SVt_PVGV: |
| 6044 | SvANY(dstr) = new_XPVGV(); |
| 6045 | SvCUR(dstr) = SvCUR(sstr); |
| 6046 | SvLEN(dstr) = SvLEN(sstr); |
| 6047 | SvIVX(dstr) = SvIVX(sstr); |
| 6048 | SvNVX(dstr) = SvNVX(sstr); |
| 6049 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6050 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6051 | if (SvROK(sstr)) |
| 6052 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 6053 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 6054 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6055 | else |
| 6056 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6057 | GvNAMELEN(dstr) = GvNAMELEN(sstr); |
| 6058 | GvNAME(dstr) = SAVEPVN(GvNAME(sstr), GvNAMELEN(sstr)); |
| 6059 | GvSTASH(dstr) = hv_dup_inc(GvSTASH(sstr)); |
| 6060 | GvFLAGS(dstr) = GvFLAGS(sstr); |
| 6061 | GvGP(dstr) = gp_dup(GvGP(sstr)); |
| 6062 | (void)GpREFCNT_inc(GvGP(dstr)); |
| 6063 | break; |
| 6064 | case SVt_PVIO: |
| 6065 | SvANY(dstr) = new_XPVIO(); |
| 6066 | SvCUR(dstr) = SvCUR(sstr); |
| 6067 | SvLEN(dstr) = SvLEN(sstr); |
| 6068 | SvIVX(dstr) = SvIVX(sstr); |
| 6069 | SvNVX(dstr) = SvNVX(sstr); |
| 6070 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6071 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6072 | if (SvROK(sstr)) |
| 6073 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); |
| 6074 | else if (SvPVX(sstr) && SvLEN(sstr)) |
| 6075 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6076 | else |
| 6077 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6078 | IoIFP(dstr) = fp_dup(IoIFP(sstr), IoTYPE(sstr)); |
| 6079 | if (IoOFP(sstr) == IoIFP(sstr)) |
| 6080 | IoOFP(dstr) = IoIFP(dstr); |
| 6081 | else |
| 6082 | IoOFP(dstr) = fp_dup(IoOFP(sstr), IoTYPE(sstr)); |
| 6083 | /* PL_rsfp_filters entries have fake IoDIRP() */ |
| 6084 | if (IoDIRP(sstr) && !(IoFLAGS(sstr) & IOf_FAKE_DIRP)) |
| 6085 | IoDIRP(dstr) = dirp_dup(IoDIRP(sstr)); |
| 6086 | else |
| 6087 | IoDIRP(dstr) = IoDIRP(sstr); |
| 6088 | IoLINES(dstr) = IoLINES(sstr); |
| 6089 | IoPAGE(dstr) = IoPAGE(sstr); |
| 6090 | IoPAGE_LEN(dstr) = IoPAGE_LEN(sstr); |
| 6091 | IoLINES_LEFT(dstr) = IoLINES_LEFT(sstr); |
| 6092 | IoTOP_NAME(dstr) = SAVEPV(IoTOP_NAME(sstr)); |
| 6093 | IoTOP_GV(dstr) = gv_dup(IoTOP_GV(sstr)); |
| 6094 | IoFMT_NAME(dstr) = SAVEPV(IoFMT_NAME(sstr)); |
| 6095 | IoFMT_GV(dstr) = gv_dup(IoFMT_GV(sstr)); |
| 6096 | IoBOTTOM_NAME(dstr) = SAVEPV(IoBOTTOM_NAME(sstr)); |
| 6097 | IoBOTTOM_GV(dstr) = gv_dup(IoBOTTOM_GV(sstr)); |
| 6098 | IoSUBPROCESS(dstr) = IoSUBPROCESS(sstr); |
| 6099 | IoTYPE(dstr) = IoTYPE(sstr); |
| 6100 | IoFLAGS(dstr) = IoFLAGS(sstr); |
| 6101 | break; |
| 6102 | case SVt_PVAV: |
| 6103 | SvANY(dstr) = new_XPVAV(); |
| 6104 | SvCUR(dstr) = SvCUR(sstr); |
| 6105 | SvLEN(dstr) = SvLEN(sstr); |
| 6106 | SvIVX(dstr) = SvIVX(sstr); |
| 6107 | SvNVX(dstr) = SvNVX(sstr); |
| 6108 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6109 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6110 | AvARYLEN((AV*)dstr) = sv_dup_inc(AvARYLEN((AV*)sstr)); |
| 6111 | AvFLAGS((AV*)dstr) = AvFLAGS((AV*)sstr); |
| 6112 | if (AvARRAY((AV*)sstr)) { |
| 6113 | SV **dst_ary, **src_ary; |
| 6114 | SSize_t items = AvFILLp((AV*)sstr) + 1; |
| 6115 | |
| 6116 | src_ary = AvARRAY((AV*)sstr); |
| 6117 | Newz(0, dst_ary, AvMAX((AV*)sstr)+1, SV*); |
| 6118 | ptr_table_store(PL_ptr_table, src_ary, dst_ary); |
| 6119 | SvPVX(dstr) = (char*)dst_ary; |
| 6120 | AvALLOC((AV*)dstr) = dst_ary; |
| 6121 | if (AvREAL((AV*)sstr)) { |
| 6122 | while (items-- > 0) |
| 6123 | *dst_ary++ = sv_dup_inc(*src_ary++); |
| 6124 | } |
| 6125 | else { |
| 6126 | while (items-- > 0) |
| 6127 | *dst_ary++ = sv_dup(*src_ary++); |
| 6128 | } |
| 6129 | items = AvMAX((AV*)sstr) - AvFILLp((AV*)sstr); |
| 6130 | while (items-- > 0) { |
| 6131 | *dst_ary++ = &PL_sv_undef; |
| 6132 | } |
| 6133 | } |
| 6134 | else { |
| 6135 | SvPVX(dstr) = Nullch; |
| 6136 | AvALLOC((AV*)dstr) = (SV**)NULL; |
| 6137 | } |
| 6138 | break; |
| 6139 | case SVt_PVHV: |
| 6140 | SvANY(dstr) = new_XPVHV(); |
| 6141 | SvCUR(dstr) = SvCUR(sstr); |
| 6142 | SvLEN(dstr) = SvLEN(sstr); |
| 6143 | SvIVX(dstr) = SvIVX(sstr); |
| 6144 | SvNVX(dstr) = SvNVX(sstr); |
| 6145 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6146 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6147 | HvRITER((HV*)dstr) = HvRITER((HV*)sstr); |
| 6148 | if (HvARRAY((HV*)sstr)) { |
| 6149 | HE *entry; |
| 6150 | STRLEN i = 0; |
| 6151 | XPVHV *dxhv = (XPVHV*)SvANY(dstr); |
| 6152 | XPVHV *sxhv = (XPVHV*)SvANY(sstr); |
| 6153 | Newz(0, dxhv->xhv_array, |
| 6154 | PERL_HV_ARRAY_ALLOC_BYTES(dxhv->xhv_max+1), char); |
| 6155 | while (i <= sxhv->xhv_max) { |
| 6156 | ((HE**)dxhv->xhv_array)[i] = he_dup(((HE**)sxhv->xhv_array)[i], |
| 6157 | !!HvSHAREKEYS(sstr)); |
| 6158 | ++i; |
| 6159 | } |
| 6160 | dxhv->xhv_eiter = he_dup(sxhv->xhv_eiter, !!HvSHAREKEYS(sstr)); |
| 6161 | } |
| 6162 | else { |
| 6163 | SvPVX(dstr) = Nullch; |
| 6164 | HvEITER((HV*)dstr) = (HE*)NULL; |
| 6165 | } |
| 6166 | HvPMROOT((HV*)dstr) = HvPMROOT((HV*)sstr); /* XXX */ |
| 6167 | HvNAME((HV*)dstr) = SAVEPV(HvNAME((HV*)sstr)); |
| 6168 | break; |
| 6169 | case SVt_PVFM: |
| 6170 | SvANY(dstr) = new_XPVFM(); |
| 6171 | FmLINES(dstr) = FmLINES(sstr); |
| 6172 | goto dup_pvcv; |
| 6173 | /* NOTREACHED */ |
| 6174 | case SVt_PVCV: |
| 6175 | SvANY(dstr) = new_XPVCV(); |
| 6176 | dup_pvcv: |
| 6177 | SvCUR(dstr) = SvCUR(sstr); |
| 6178 | SvLEN(dstr) = SvLEN(sstr); |
| 6179 | SvIVX(dstr) = SvIVX(sstr); |
| 6180 | SvNVX(dstr) = SvNVX(sstr); |
| 6181 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); |
| 6182 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); |
| 6183 | if (SvPVX(sstr) && SvLEN(sstr)) |
| 6184 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); |
| 6185 | else |
| 6186 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ |
| 6187 | CvSTASH(dstr) = hv_dup(CvSTASH(sstr));/* NOTE: not refcounted */ |
| 6188 | CvSTART(dstr) = CvSTART(sstr); |
| 6189 | CvROOT(dstr) = OpREFCNT_inc(CvROOT(sstr)); |
| 6190 | CvXSUB(dstr) = CvXSUB(sstr); |
| 6191 | CvXSUBANY(dstr) = CvXSUBANY(sstr); |
| 6192 | CvGV(dstr) = gv_dup_inc(CvGV(sstr)); |
| 6193 | CvDEPTH(dstr) = CvDEPTH(sstr); |
| 6194 | if (CvPADLIST(sstr) && !AvREAL(CvPADLIST(sstr))) { |
| 6195 | /* XXX padlists are real, but pretend to be not */ |
| 6196 | AvREAL_on(CvPADLIST(sstr)); |
| 6197 | CvPADLIST(dstr) = av_dup_inc(CvPADLIST(sstr)); |
| 6198 | AvREAL_off(CvPADLIST(sstr)); |
| 6199 | AvREAL_off(CvPADLIST(dstr)); |
| 6200 | } |
| 6201 | else |
| 6202 | CvPADLIST(dstr) = av_dup_inc(CvPADLIST(sstr)); |
| 6203 | CvOUTSIDE(dstr) = cv_dup_inc(CvOUTSIDE(sstr)); |
| 6204 | CvFLAGS(dstr) = CvFLAGS(sstr); |
| 6205 | break; |
| 6206 | default: |
| 6207 | Perl_croak(aTHX_ "Bizarre SvTYPE [%d]", SvTYPE(sstr)); |
| 6208 | break; |
| 6209 | } |
| 6210 | |
| 6211 | if (SvOBJECT(dstr) && SvTYPE(dstr) != SVt_PVIO) |
| 6212 | ++PL_sv_objcount; |
| 6213 | |
| 6214 | return dstr; |
| 6215 | } |
| 6216 | |
| 6217 | PERL_CONTEXT * |
| 6218 | Perl_cx_dup(pTHX_ PERL_CONTEXT *cxs, I32 ix, I32 max) |
| 6219 | { |
| 6220 | PERL_CONTEXT *ncxs; |
| 6221 | |
| 6222 | if (!cxs) |
| 6223 | return (PERL_CONTEXT*)NULL; |
| 6224 | |
| 6225 | /* look for it in the table first */ |
| 6226 | ncxs = (PERL_CONTEXT*)ptr_table_fetch(PL_ptr_table, cxs); |
| 6227 | if (ncxs) |
| 6228 | return ncxs; |
| 6229 | |
| 6230 | /* create anew and remember what it is */ |
| 6231 | Newz(56, ncxs, max + 1, PERL_CONTEXT); |
| 6232 | ptr_table_store(PL_ptr_table, cxs, ncxs); |
| 6233 | |
| 6234 | while (ix >= 0) { |
| 6235 | PERL_CONTEXT *cx = &cxs[ix]; |
| 6236 | PERL_CONTEXT *ncx = &ncxs[ix]; |
| 6237 | ncx->cx_type = cx->cx_type; |
| 6238 | if (CxTYPE(cx) == CXt_SUBST) { |
| 6239 | Perl_croak(aTHX_ "Cloning substitution context is unimplemented"); |
| 6240 | } |
| 6241 | else { |
| 6242 | ncx->blk_oldsp = cx->blk_oldsp; |
| 6243 | ncx->blk_oldcop = cx->blk_oldcop; |
| 6244 | ncx->blk_oldretsp = cx->blk_oldretsp; |
| 6245 | ncx->blk_oldmarksp = cx->blk_oldmarksp; |
| 6246 | ncx->blk_oldscopesp = cx->blk_oldscopesp; |
| 6247 | ncx->blk_oldpm = cx->blk_oldpm; |
| 6248 | ncx->blk_gimme = cx->blk_gimme; |
| 6249 | switch (CxTYPE(cx)) { |
| 6250 | case CXt_SUB: |
| 6251 | ncx->blk_sub.cv = (cx->blk_sub.olddepth == 0 |
| 6252 | ? cv_dup_inc(cx->blk_sub.cv) |
| 6253 | : cv_dup(cx->blk_sub.cv)); |
| 6254 | ncx->blk_sub.argarray = (cx->blk_sub.hasargs |
| 6255 | ? av_dup_inc(cx->blk_sub.argarray) |
| 6256 | : Nullav); |
| 6257 | ncx->blk_sub.savearray = av_dup(cx->blk_sub.savearray); |
| 6258 | ncx->blk_sub.olddepth = cx->blk_sub.olddepth; |
| 6259 | ncx->blk_sub.hasargs = cx->blk_sub.hasargs; |
| 6260 | ncx->blk_sub.lval = cx->blk_sub.lval; |
| 6261 | break; |
| 6262 | case CXt_EVAL: |
| 6263 | ncx->blk_eval.old_in_eval = cx->blk_eval.old_in_eval; |
| 6264 | ncx->blk_eval.old_op_type = cx->blk_eval.old_op_type; |
| 6265 | ncx->blk_eval.old_name = SAVEPV(cx->blk_eval.old_name); |
| 6266 | ncx->blk_eval.old_eval_root = cx->blk_eval.old_eval_root; |
| 6267 | ncx->blk_eval.cur_text = sv_dup(cx->blk_eval.cur_text); |
| 6268 | break; |
| 6269 | case CXt_LOOP: |
| 6270 | ncx->blk_loop.label = cx->blk_loop.label; |
| 6271 | ncx->blk_loop.resetsp = cx->blk_loop.resetsp; |
| 6272 | ncx->blk_loop.redo_op = cx->blk_loop.redo_op; |
| 6273 | ncx->blk_loop.next_op = cx->blk_loop.next_op; |
| 6274 | ncx->blk_loop.last_op = cx->blk_loop.last_op; |
| 6275 | ncx->blk_loop.iterdata = (CxPADLOOP(cx) |
| 6276 | ? cx->blk_loop.iterdata |
| 6277 | : gv_dup((GV*)cx->blk_loop.iterdata)); |
| 6278 | ncx->blk_loop.itersave = sv_dup_inc(cx->blk_loop.itersave); |
| 6279 | ncx->blk_loop.iterlval = sv_dup_inc(cx->blk_loop.iterlval); |
| 6280 | ncx->blk_loop.iterary = av_dup_inc(cx->blk_loop.iterary); |
| 6281 | ncx->blk_loop.iterix = cx->blk_loop.iterix; |
| 6282 | ncx->blk_loop.itermax = cx->blk_loop.itermax; |
| 6283 | break; |
| 6284 | case CXt_FORMAT: |
| 6285 | ncx->blk_sub.cv = cv_dup(cx->blk_sub.cv); |
| 6286 | ncx->blk_sub.gv = gv_dup(cx->blk_sub.gv); |
| 6287 | ncx->blk_sub.dfoutgv = gv_dup_inc(cx->blk_sub.dfoutgv); |
| 6288 | ncx->blk_sub.hasargs = cx->blk_sub.hasargs; |
| 6289 | break; |
| 6290 | case CXt_BLOCK: |
| 6291 | case CXt_NULL: |
| 6292 | break; |
| 6293 | } |
| 6294 | } |
| 6295 | --ix; |
| 6296 | } |
| 6297 | return ncxs; |
| 6298 | } |
| 6299 | |
| 6300 | PERL_SI * |
| 6301 | Perl_si_dup(pTHX_ PERL_SI *si) |
| 6302 | { |
| 6303 | PERL_SI *nsi; |
| 6304 | |
| 6305 | if (!si) |
| 6306 | return (PERL_SI*)NULL; |
| 6307 | |
| 6308 | /* look for it in the table first */ |
| 6309 | nsi = (PERL_SI*)ptr_table_fetch(PL_ptr_table, si); |
| 6310 | if (nsi) |
| 6311 | return nsi; |
| 6312 | |
| 6313 | /* create anew and remember what it is */ |
| 6314 | Newz(56, nsi, 1, PERL_SI); |
| 6315 | ptr_table_store(PL_ptr_table, si, nsi); |
| 6316 | |
| 6317 | nsi->si_stack = av_dup_inc(si->si_stack); |
| 6318 | nsi->si_cxix = si->si_cxix; |
| 6319 | nsi->si_cxmax = si->si_cxmax; |
| 6320 | nsi->si_cxstack = cx_dup(si->si_cxstack, si->si_cxix, si->si_cxmax); |
| 6321 | nsi->si_type = si->si_type; |
| 6322 | nsi->si_prev = si_dup(si->si_prev); |
| 6323 | nsi->si_next = si_dup(si->si_next); |
| 6324 | nsi->si_markoff = si->si_markoff; |
| 6325 | |
| 6326 | return nsi; |
| 6327 | } |
| 6328 | |
| 6329 | #define POPINT(ss,ix) ((ss)[--(ix)].any_i32) |
| 6330 | #define TOPINT(ss,ix) ((ss)[ix].any_i32) |
| 6331 | #define POPLONG(ss,ix) ((ss)[--(ix)].any_long) |
| 6332 | #define TOPLONG(ss,ix) ((ss)[ix].any_long) |
| 6333 | #define POPIV(ss,ix) ((ss)[--(ix)].any_iv) |
| 6334 | #define TOPIV(ss,ix) ((ss)[ix].any_iv) |
| 6335 | #define POPPTR(ss,ix) ((ss)[--(ix)].any_ptr) |
| 6336 | #define TOPPTR(ss,ix) ((ss)[ix].any_ptr) |
| 6337 | #define POPDPTR(ss,ix) ((ss)[--(ix)].any_dptr) |
| 6338 | #define TOPDPTR(ss,ix) ((ss)[ix].any_dptr) |
| 6339 | #define POPDXPTR(ss,ix) ((ss)[--(ix)].any_dxptr) |
| 6340 | #define TOPDXPTR(ss,ix) ((ss)[ix].any_dxptr) |
| 6341 | |
| 6342 | /* XXXXX todo */ |
| 6343 | #define pv_dup_inc(p) SAVEPV(p) |
| 6344 | #define pv_dup(p) SAVEPV(p) |
| 6345 | #define svp_dup_inc(p,pp) any_dup(p,pp) |
| 6346 | |
| 6347 | void * |
| 6348 | Perl_any_dup(pTHX_ void *v, PerlInterpreter *proto_perl) |
| 6349 | { |
| 6350 | void *ret; |
| 6351 | |
| 6352 | if (!v) |
| 6353 | return (void*)NULL; |
| 6354 | |
| 6355 | /* look for it in the table first */ |
| 6356 | ret = ptr_table_fetch(PL_ptr_table, v); |
| 6357 | if (ret) |
| 6358 | return ret; |
| 6359 | |
| 6360 | /* see if it is part of the interpreter structure */ |
| 6361 | if (v >= (void*)proto_perl && v < (void*)(proto_perl+1)) |
| 6362 | ret = (void*)(((char*)aTHXo) + (((char*)v) - (char*)proto_perl)); |
| 6363 | else |
| 6364 | ret = v; |
| 6365 | |
| 6366 | return ret; |
| 6367 | } |
| 6368 | |
| 6369 | ANY * |
| 6370 | Perl_ss_dup(pTHX_ PerlInterpreter *proto_perl) |
| 6371 | { |
| 6372 | ANY *ss = proto_perl->Tsavestack; |
| 6373 | I32 ix = proto_perl->Tsavestack_ix; |
| 6374 | I32 max = proto_perl->Tsavestack_max; |
| 6375 | ANY *nss; |
| 6376 | SV *sv; |
| 6377 | GV *gv; |
| 6378 | AV *av; |
| 6379 | HV *hv; |
| 6380 | void* ptr; |
| 6381 | int intval; |
| 6382 | long longval; |
| 6383 | GP *gp; |
| 6384 | IV iv; |
| 6385 | I32 i; |
| 6386 | char *c; |
| 6387 | void (*dptr) (void*); |
| 6388 | void (*dxptr) (pTHXo_ void*); |
| 6389 | |
| 6390 | Newz(54, nss, max, ANY); |
| 6391 | |
| 6392 | while (ix > 0) { |
| 6393 | i = POPINT(ss,ix); |
| 6394 | TOPINT(nss,ix) = i; |
| 6395 | switch (i) { |
| 6396 | case SAVEt_ITEM: /* normal string */ |
| 6397 | sv = (SV*)POPPTR(ss,ix); |
| 6398 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6399 | sv = (SV*)POPPTR(ss,ix); |
| 6400 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6401 | break; |
| 6402 | case SAVEt_SV: /* scalar reference */ |
| 6403 | sv = (SV*)POPPTR(ss,ix); |
| 6404 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6405 | gv = (GV*)POPPTR(ss,ix); |
| 6406 | TOPPTR(nss,ix) = gv_dup_inc(gv); |
| 6407 | break; |
| 6408 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
| 6409 | case SAVEt_SVREF: /* scalar reference */ |
| 6410 | sv = (SV*)POPPTR(ss,ix); |
| 6411 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6412 | ptr = POPPTR(ss,ix); |
| 6413 | TOPPTR(nss,ix) = svp_dup_inc((SV**)ptr, proto_perl);/* XXXXX */ |
| 6414 | break; |
| 6415 | case SAVEt_AV: /* array reference */ |
| 6416 | av = (AV*)POPPTR(ss,ix); |
| 6417 | TOPPTR(nss,ix) = av_dup_inc(av); |
| 6418 | gv = (GV*)POPPTR(ss,ix); |
| 6419 | TOPPTR(nss,ix) = gv_dup(gv); |
| 6420 | break; |
| 6421 | case SAVEt_HV: /* hash reference */ |
| 6422 | hv = (HV*)POPPTR(ss,ix); |
| 6423 | TOPPTR(nss,ix) = hv_dup_inc(hv); |
| 6424 | gv = (GV*)POPPTR(ss,ix); |
| 6425 | TOPPTR(nss,ix) = gv_dup(gv); |
| 6426 | break; |
| 6427 | case SAVEt_INT: /* int reference */ |
| 6428 | ptr = POPPTR(ss,ix); |
| 6429 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6430 | intval = (int)POPINT(ss,ix); |
| 6431 | TOPINT(nss,ix) = intval; |
| 6432 | break; |
| 6433 | case SAVEt_LONG: /* long reference */ |
| 6434 | ptr = POPPTR(ss,ix); |
| 6435 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6436 | longval = (long)POPLONG(ss,ix); |
| 6437 | TOPLONG(nss,ix) = longval; |
| 6438 | break; |
| 6439 | case SAVEt_I32: /* I32 reference */ |
| 6440 | case SAVEt_I16: /* I16 reference */ |
| 6441 | case SAVEt_I8: /* I8 reference */ |
| 6442 | ptr = POPPTR(ss,ix); |
| 6443 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6444 | i = POPINT(ss,ix); |
| 6445 | TOPINT(nss,ix) = i; |
| 6446 | break; |
| 6447 | case SAVEt_IV: /* IV reference */ |
| 6448 | ptr = POPPTR(ss,ix); |
| 6449 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6450 | iv = POPIV(ss,ix); |
| 6451 | TOPIV(nss,ix) = iv; |
| 6452 | break; |
| 6453 | case SAVEt_SPTR: /* SV* reference */ |
| 6454 | ptr = POPPTR(ss,ix); |
| 6455 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6456 | sv = (SV*)POPPTR(ss,ix); |
| 6457 | TOPPTR(nss,ix) = sv_dup(sv); |
| 6458 | break; |
| 6459 | case SAVEt_VPTR: /* random* reference */ |
| 6460 | ptr = POPPTR(ss,ix); |
| 6461 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6462 | ptr = POPPTR(ss,ix); |
| 6463 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6464 | break; |
| 6465 | case SAVEt_PPTR: /* char* reference */ |
| 6466 | ptr = POPPTR(ss,ix); |
| 6467 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6468 | c = (char*)POPPTR(ss,ix); |
| 6469 | TOPPTR(nss,ix) = pv_dup(c); |
| 6470 | break; |
| 6471 | case SAVEt_HPTR: /* HV* reference */ |
| 6472 | ptr = POPPTR(ss,ix); |
| 6473 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6474 | hv = (HV*)POPPTR(ss,ix); |
| 6475 | TOPPTR(nss,ix) = hv_dup(hv); |
| 6476 | break; |
| 6477 | case SAVEt_APTR: /* AV* reference */ |
| 6478 | ptr = POPPTR(ss,ix); |
| 6479 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6480 | av = (AV*)POPPTR(ss,ix); |
| 6481 | TOPPTR(nss,ix) = av_dup(av); |
| 6482 | break; |
| 6483 | case SAVEt_NSTAB: |
| 6484 | gv = (GV*)POPPTR(ss,ix); |
| 6485 | TOPPTR(nss,ix) = gv_dup(gv); |
| 6486 | break; |
| 6487 | case SAVEt_GP: /* scalar reference */ |
| 6488 | gp = (GP*)POPPTR(ss,ix); |
| 6489 | TOPPTR(nss,ix) = gp = gp_dup(gp); |
| 6490 | (void)GpREFCNT_inc(gp); |
| 6491 | gv = (GV*)POPPTR(ss,ix); |
| 6492 | TOPPTR(nss,ix) = gv_dup_inc(c); |
| 6493 | c = (char*)POPPTR(ss,ix); |
| 6494 | TOPPTR(nss,ix) = pv_dup(c); |
| 6495 | iv = POPIV(ss,ix); |
| 6496 | TOPIV(nss,ix) = iv; |
| 6497 | iv = POPIV(ss,ix); |
| 6498 | TOPIV(nss,ix) = iv; |
| 6499 | break; |
| 6500 | case SAVEt_FREESV: |
| 6501 | sv = (SV*)POPPTR(ss,ix); |
| 6502 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6503 | break; |
| 6504 | case SAVEt_FREEOP: |
| 6505 | ptr = POPPTR(ss,ix); |
| 6506 | if (ptr && (((OP*)ptr)->op_private & OPpREFCOUNTED)) { |
| 6507 | /* these are assumed to be refcounted properly */ |
| 6508 | switch (((OP*)ptr)->op_type) { |
| 6509 | case OP_LEAVESUB: |
| 6510 | case OP_LEAVESUBLV: |
| 6511 | case OP_LEAVEEVAL: |
| 6512 | case OP_LEAVE: |
| 6513 | case OP_SCOPE: |
| 6514 | case OP_LEAVEWRITE: |
| 6515 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); |
| 6516 | break; |
| 6517 | default: |
| 6518 | TOPPTR(nss,ix) = Nullop; |
| 6519 | break; |
| 6520 | } |
| 6521 | } |
| 6522 | else |
| 6523 | TOPPTR(nss,ix) = Nullop; |
| 6524 | break; |
| 6525 | case SAVEt_FREEPV: |
| 6526 | c = (char*)POPPTR(ss,ix); |
| 6527 | TOPPTR(nss,ix) = pv_dup_inc(c); |
| 6528 | break; |
| 6529 | case SAVEt_CLEARSV: |
| 6530 | longval = POPLONG(ss,ix); |
| 6531 | TOPLONG(nss,ix) = longval; |
| 6532 | break; |
| 6533 | case SAVEt_DELETE: |
| 6534 | hv = (HV*)POPPTR(ss,ix); |
| 6535 | TOPPTR(nss,ix) = hv_dup_inc(hv); |
| 6536 | c = (char*)POPPTR(ss,ix); |
| 6537 | TOPPTR(nss,ix) = pv_dup_inc(c); |
| 6538 | i = POPINT(ss,ix); |
| 6539 | TOPINT(nss,ix) = i; |
| 6540 | break; |
| 6541 | case SAVEt_DESTRUCTOR: |
| 6542 | ptr = POPPTR(ss,ix); |
| 6543 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */ |
| 6544 | dptr = POPDPTR(ss,ix); |
| 6545 | TOPDPTR(nss,ix) = (void (*)(void*))any_dup(dptr, proto_perl); |
| 6546 | break; |
| 6547 | case SAVEt_DESTRUCTOR_X: |
| 6548 | ptr = POPPTR(ss,ix); |
| 6549 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */ |
| 6550 | dxptr = POPDXPTR(ss,ix); |
| 6551 | TOPDXPTR(nss,ix) = (void (*)(pTHXo_ void*))any_dup(dxptr, proto_perl); |
| 6552 | break; |
| 6553 | case SAVEt_REGCONTEXT: |
| 6554 | case SAVEt_ALLOC: |
| 6555 | i = POPINT(ss,ix); |
| 6556 | TOPINT(nss,ix) = i; |
| 6557 | ix -= i; |
| 6558 | break; |
| 6559 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
| 6560 | i = POPINT(ss,ix); |
| 6561 | TOPINT(nss,ix) = i; |
| 6562 | break; |
| 6563 | case SAVEt_AELEM: /* array element */ |
| 6564 | sv = (SV*)POPPTR(ss,ix); |
| 6565 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6566 | i = POPINT(ss,ix); |
| 6567 | TOPINT(nss,ix) = i; |
| 6568 | av = (AV*)POPPTR(ss,ix); |
| 6569 | TOPPTR(nss,ix) = av_dup_inc(av); |
| 6570 | break; |
| 6571 | case SAVEt_HELEM: /* hash element */ |
| 6572 | sv = (SV*)POPPTR(ss,ix); |
| 6573 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6574 | sv = (SV*)POPPTR(ss,ix); |
| 6575 | TOPPTR(nss,ix) = sv_dup_inc(sv); |
| 6576 | hv = (HV*)POPPTR(ss,ix); |
| 6577 | TOPPTR(nss,ix) = hv_dup_inc(hv); |
| 6578 | break; |
| 6579 | case SAVEt_OP: |
| 6580 | ptr = POPPTR(ss,ix); |
| 6581 | TOPPTR(nss,ix) = ptr; |
| 6582 | break; |
| 6583 | case SAVEt_HINTS: |
| 6584 | i = POPINT(ss,ix); |
| 6585 | TOPINT(nss,ix) = i; |
| 6586 | break; |
| 6587 | default: |
| 6588 | Perl_croak(aTHX_ "panic: ss_dup inconsistency"); |
| 6589 | } |
| 6590 | } |
| 6591 | |
| 6592 | return nss; |
| 6593 | } |
| 6594 | |
| 6595 | #ifdef PERL_OBJECT |
| 6596 | #include "XSUB.h" |
| 6597 | #endif |
| 6598 | |
| 6599 | PerlInterpreter * |
| 6600 | perl_clone(PerlInterpreter *proto_perl, UV flags) |
| 6601 | { |
| 6602 | #ifdef PERL_OBJECT |
| 6603 | CPerlObj *pPerl = (CPerlObj*)proto_perl; |
| 6604 | #endif |
| 6605 | |
| 6606 | #ifdef PERL_IMPLICIT_SYS |
| 6607 | return perl_clone_using(proto_perl, flags, |
| 6608 | proto_perl->IMem, |
| 6609 | proto_perl->IMemShared, |
| 6610 | proto_perl->IMemParse, |
| 6611 | proto_perl->IEnv, |
| 6612 | proto_perl->IStdIO, |
| 6613 | proto_perl->ILIO, |
| 6614 | proto_perl->IDir, |
| 6615 | proto_perl->ISock, |
| 6616 | proto_perl->IProc); |
| 6617 | } |
| 6618 | |
| 6619 | PerlInterpreter * |
| 6620 | perl_clone_using(PerlInterpreter *proto_perl, UV flags, |
| 6621 | struct IPerlMem* ipM, struct IPerlMem* ipMS, |
| 6622 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, |
| 6623 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
| 6624 | struct IPerlDir* ipD, struct IPerlSock* ipS, |
| 6625 | struct IPerlProc* ipP) |
| 6626 | { |
| 6627 | /* XXX many of the string copies here can be optimized if they're |
| 6628 | * constants; they need to be allocated as common memory and just |
| 6629 | * their pointers copied. */ |
| 6630 | |
| 6631 | IV i; |
| 6632 | SV *sv; |
| 6633 | SV **svp; |
| 6634 | # ifdef PERL_OBJECT |
| 6635 | CPerlObj *pPerl = new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, ipLIO, |
| 6636 | ipD, ipS, ipP); |
| 6637 | PERL_SET_INTERP(pPerl); |
| 6638 | # else /* !PERL_OBJECT */ |
| 6639 | PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
| 6640 | PERL_SET_INTERP(my_perl); |
| 6641 | |
| 6642 | # ifdef DEBUGGING |
| 6643 | memset(my_perl, 0xab, sizeof(PerlInterpreter)); |
| 6644 | PL_markstack = 0; |
| 6645 | PL_scopestack = 0; |
| 6646 | PL_savestack = 0; |
| 6647 | PL_retstack = 0; |
| 6648 | # else /* !DEBUGGING */ |
| 6649 | Zero(my_perl, 1, PerlInterpreter); |
| 6650 | # endif /* DEBUGGING */ |
| 6651 | |
| 6652 | /* host pointers */ |
| 6653 | PL_Mem = ipM; |
| 6654 | PL_MemShared = ipMS; |
| 6655 | PL_MemParse = ipMP; |
| 6656 | PL_Env = ipE; |
| 6657 | PL_StdIO = ipStd; |
| 6658 | PL_LIO = ipLIO; |
| 6659 | PL_Dir = ipD; |
| 6660 | PL_Sock = ipS; |
| 6661 | PL_Proc = ipP; |
| 6662 | # endif /* PERL_OBJECT */ |
| 6663 | #else /* !PERL_IMPLICIT_SYS */ |
| 6664 | IV i; |
| 6665 | SV *sv; |
| 6666 | SV **svp; |
| 6667 | PerlInterpreter *my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
| 6668 | PERL_SET_INTERP(my_perl); |
| 6669 | |
| 6670 | # ifdef DEBUGGING |
| 6671 | memset(my_perl, 0xab, sizeof(PerlInterpreter)); |
| 6672 | PL_markstack = 0; |
| 6673 | PL_scopestack = 0; |
| 6674 | PL_savestack = 0; |
| 6675 | PL_retstack = 0; |
| 6676 | # else /* !DEBUGGING */ |
| 6677 | Zero(my_perl, 1, PerlInterpreter); |
| 6678 | # endif /* DEBUGGING */ |
| 6679 | #endif /* PERL_IMPLICIT_SYS */ |
| 6680 | |
| 6681 | /* arena roots */ |
| 6682 | PL_xiv_arenaroot = NULL; |
| 6683 | PL_xiv_root = NULL; |
| 6684 | PL_xnv_root = NULL; |
| 6685 | PL_xrv_root = NULL; |
| 6686 | PL_xpv_root = NULL; |
| 6687 | PL_xpviv_root = NULL; |
| 6688 | PL_xpvnv_root = NULL; |
| 6689 | PL_xpvcv_root = NULL; |
| 6690 | PL_xpvav_root = NULL; |
| 6691 | PL_xpvhv_root = NULL; |
| 6692 | PL_xpvmg_root = NULL; |
| 6693 | PL_xpvlv_root = NULL; |
| 6694 | PL_xpvbm_root = NULL; |
| 6695 | PL_he_root = NULL; |
| 6696 | PL_nice_chunk = NULL; |
| 6697 | PL_nice_chunk_size = 0; |
| 6698 | PL_sv_count = 0; |
| 6699 | PL_sv_objcount = 0; |
| 6700 | PL_sv_root = Nullsv; |
| 6701 | PL_sv_arenaroot = Nullsv; |
| 6702 | |
| 6703 | PL_debug = proto_perl->Idebug; |
| 6704 | |
| 6705 | /* create SV map for pointer relocation */ |
| 6706 | PL_ptr_table = ptr_table_new(); |
| 6707 | |
| 6708 | /* initialize these special pointers as early as possible */ |
| 6709 | SvANY(&PL_sv_undef) = NULL; |
| 6710 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; |
| 6711 | SvFLAGS(&PL_sv_undef) = SVf_READONLY|SVt_NULL; |
| 6712 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_undef, &PL_sv_undef); |
| 6713 | |
| 6714 | #ifdef PERL_OBJECT |
| 6715 | SvUPGRADE(&PL_sv_no, SVt_PVNV); |
| 6716 | #else |
| 6717 | SvANY(&PL_sv_no) = new_XPVNV(); |
| 6718 | #endif |
| 6719 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; |
| 6720 | SvFLAGS(&PL_sv_no) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV; |
| 6721 | SvPVX(&PL_sv_no) = SAVEPVN(PL_No, 0); |
| 6722 | SvCUR(&PL_sv_no) = 0; |
| 6723 | SvLEN(&PL_sv_no) = 1; |
| 6724 | SvNVX(&PL_sv_no) = 0; |
| 6725 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_no, &PL_sv_no); |
| 6726 | |
| 6727 | #ifdef PERL_OBJECT |
| 6728 | SvUPGRADE(&PL_sv_yes, SVt_PVNV); |
| 6729 | #else |
| 6730 | SvANY(&PL_sv_yes) = new_XPVNV(); |
| 6731 | #endif |
| 6732 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; |
| 6733 | SvFLAGS(&PL_sv_yes) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV; |
| 6734 | SvPVX(&PL_sv_yes) = SAVEPVN(PL_Yes, 1); |
| 6735 | SvCUR(&PL_sv_yes) = 1; |
| 6736 | SvLEN(&PL_sv_yes) = 2; |
| 6737 | SvNVX(&PL_sv_yes) = 1; |
| 6738 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_yes, &PL_sv_yes); |
| 6739 | |
| 6740 | /* create shared string table */ |
| 6741 | PL_strtab = newHV(); |
| 6742 | HvSHAREKEYS_off(PL_strtab); |
| 6743 | hv_ksplit(PL_strtab, 512); |
| 6744 | ptr_table_store(PL_ptr_table, proto_perl->Istrtab, PL_strtab); |
| 6745 | |
| 6746 | PL_compiling = proto_perl->Icompiling; |
| 6747 | PL_compiling.cop_stashpv = SAVEPV(PL_compiling.cop_stashpv); |
| 6748 | PL_compiling.cop_file = SAVEPV(PL_compiling.cop_file); |
| 6749 | ptr_table_store(PL_ptr_table, &proto_perl->Icompiling, &PL_compiling); |
| 6750 | if (!specialWARN(PL_compiling.cop_warnings)) |
| 6751 | PL_compiling.cop_warnings = sv_dup_inc(PL_compiling.cop_warnings); |
| 6752 | PL_curcop = (COP*)any_dup(proto_perl->Tcurcop, proto_perl); |
| 6753 | |
| 6754 | /* pseudo environmental stuff */ |
| 6755 | PL_origargc = proto_perl->Iorigargc; |
| 6756 | i = PL_origargc; |
| 6757 | New(0, PL_origargv, i+1, char*); |
| 6758 | PL_origargv[i] = '\0'; |
| 6759 | while (i-- > 0) { |
| 6760 | PL_origargv[i] = SAVEPV(proto_perl->Iorigargv[i]); |
| 6761 | } |
| 6762 | PL_envgv = gv_dup(proto_perl->Ienvgv); |
| 6763 | PL_incgv = gv_dup(proto_perl->Iincgv); |
| 6764 | PL_hintgv = gv_dup(proto_perl->Ihintgv); |
| 6765 | PL_origfilename = SAVEPV(proto_perl->Iorigfilename); |
| 6766 | PL_diehook = sv_dup_inc(proto_perl->Idiehook); |
| 6767 | PL_warnhook = sv_dup_inc(proto_perl->Iwarnhook); |
| 6768 | |
| 6769 | /* switches */ |
| 6770 | PL_minus_c = proto_perl->Iminus_c; |
| 6771 | PL_patchlevel = sv_dup_inc(proto_perl->Ipatchlevel); |
| 6772 | PL_localpatches = proto_perl->Ilocalpatches; |
| 6773 | PL_splitstr = proto_perl->Isplitstr; |
| 6774 | PL_preprocess = proto_perl->Ipreprocess; |
| 6775 | PL_minus_n = proto_perl->Iminus_n; |
| 6776 | PL_minus_p = proto_perl->Iminus_p; |
| 6777 | PL_minus_l = proto_perl->Iminus_l; |
| 6778 | PL_minus_a = proto_perl->Iminus_a; |
| 6779 | PL_minus_F = proto_perl->Iminus_F; |
| 6780 | PL_doswitches = proto_perl->Idoswitches; |
| 6781 | PL_dowarn = proto_perl->Idowarn; |
| 6782 | PL_doextract = proto_perl->Idoextract; |
| 6783 | PL_sawampersand = proto_perl->Isawampersand; |
| 6784 | PL_unsafe = proto_perl->Iunsafe; |
| 6785 | PL_inplace = SAVEPV(proto_perl->Iinplace); |
| 6786 | PL_e_script = sv_dup_inc(proto_perl->Ie_script); |
| 6787 | PL_perldb = proto_perl->Iperldb; |
| 6788 | PL_perl_destruct_level = proto_perl->Iperl_destruct_level; |
| 6789 | |
| 6790 | /* magical thingies */ |
| 6791 | /* XXX time(&PL_basetime) when asked for? */ |
| 6792 | PL_basetime = proto_perl->Ibasetime; |
| 6793 | PL_formfeed = sv_dup(proto_perl->Iformfeed); |
| 6794 | |
| 6795 | PL_maxsysfd = proto_perl->Imaxsysfd; |
| 6796 | PL_multiline = proto_perl->Imultiline; |
| 6797 | PL_statusvalue = proto_perl->Istatusvalue; |
| 6798 | #ifdef VMS |
| 6799 | PL_statusvalue_vms = proto_perl->Istatusvalue_vms; |
| 6800 | #endif |
| 6801 | |
| 6802 | /* shortcuts to various I/O objects */ |
| 6803 | PL_stdingv = gv_dup(proto_perl->Istdingv); |
| 6804 | PL_stderrgv = gv_dup(proto_perl->Istderrgv); |
| 6805 | PL_defgv = gv_dup(proto_perl->Idefgv); |
| 6806 | PL_argvgv = gv_dup(proto_perl->Iargvgv); |
| 6807 | PL_argvoutgv = gv_dup(proto_perl->Iargvoutgv); |
| 6808 | PL_argvout_stack = av_dup(proto_perl->Iargvout_stack); |
| 6809 | |
| 6810 | /* shortcuts to regexp stuff */ |
| 6811 | PL_replgv = gv_dup(proto_perl->Ireplgv); |
| 6812 | |
| 6813 | /* shortcuts to misc objects */ |
| 6814 | PL_errgv = gv_dup(proto_perl->Ierrgv); |
| 6815 | |
| 6816 | /* shortcuts to debugging objects */ |
| 6817 | PL_DBgv = gv_dup(proto_perl->IDBgv); |
| 6818 | PL_DBline = gv_dup(proto_perl->IDBline); |
| 6819 | PL_DBsub = gv_dup(proto_perl->IDBsub); |
| 6820 | PL_DBsingle = sv_dup(proto_perl->IDBsingle); |
| 6821 | PL_DBtrace = sv_dup(proto_perl->IDBtrace); |
| 6822 | PL_DBsignal = sv_dup(proto_perl->IDBsignal); |
| 6823 | PL_lineary = av_dup(proto_perl->Ilineary); |
| 6824 | PL_dbargs = av_dup(proto_perl->Idbargs); |
| 6825 | |
| 6826 | /* symbol tables */ |
| 6827 | PL_defstash = hv_dup_inc(proto_perl->Tdefstash); |
| 6828 | PL_curstash = hv_dup(proto_perl->Tcurstash); |
| 6829 | PL_debstash = hv_dup(proto_perl->Idebstash); |
| 6830 | PL_globalstash = hv_dup(proto_perl->Iglobalstash); |
| 6831 | PL_curstname = sv_dup_inc(proto_perl->Icurstname); |
| 6832 | |
| 6833 | PL_beginav = av_dup_inc(proto_perl->Ibeginav); |
| 6834 | PL_endav = av_dup_inc(proto_perl->Iendav); |
| 6835 | PL_stopav = av_dup_inc(proto_perl->Istopav); |
| 6836 | PL_initav = av_dup_inc(proto_perl->Iinitav); |
| 6837 | |
| 6838 | PL_sub_generation = proto_perl->Isub_generation; |
| 6839 | |
| 6840 | /* funky return mechanisms */ |
| 6841 | PL_forkprocess = proto_perl->Iforkprocess; |
| 6842 | |
| 6843 | /* subprocess state */ |
| 6844 | PL_fdpid = av_dup_inc(proto_perl->Ifdpid); |
| 6845 | |
| 6846 | /* internal state */ |
| 6847 | PL_tainting = proto_perl->Itainting; |
| 6848 | PL_maxo = proto_perl->Imaxo; |
| 6849 | if (proto_perl->Iop_mask) |
| 6850 | PL_op_mask = SAVEPVN(proto_perl->Iop_mask, PL_maxo); |
| 6851 | else |
| 6852 | PL_op_mask = Nullch; |
| 6853 | |
| 6854 | /* current interpreter roots */ |
| 6855 | PL_main_cv = cv_dup_inc(proto_perl->Imain_cv); |
| 6856 | PL_main_root = OpREFCNT_inc(proto_perl->Imain_root); |
| 6857 | PL_main_start = proto_perl->Imain_start; |
| 6858 | PL_eval_root = OpREFCNT_inc(proto_perl->Ieval_root); |
| 6859 | PL_eval_start = proto_perl->Ieval_start; |
| 6860 | |
| 6861 | /* runtime control stuff */ |
| 6862 | PL_curcopdb = (COP*)any_dup(proto_perl->Icurcopdb, proto_perl); |
| 6863 | PL_copline = proto_perl->Icopline; |
| 6864 | |
| 6865 | PL_filemode = proto_perl->Ifilemode; |
| 6866 | PL_lastfd = proto_perl->Ilastfd; |
| 6867 | PL_oldname = proto_perl->Ioldname; /* XXX not quite right */ |
| 6868 | PL_Argv = NULL; |
| 6869 | PL_Cmd = Nullch; |
| 6870 | PL_gensym = proto_perl->Igensym; |
| 6871 | PL_preambled = proto_perl->Ipreambled; |
| 6872 | PL_preambleav = av_dup_inc(proto_perl->Ipreambleav); |
| 6873 | PL_laststatval = proto_perl->Ilaststatval; |
| 6874 | PL_laststype = proto_perl->Ilaststype; |
| 6875 | PL_mess_sv = Nullsv; |
| 6876 | |
| 6877 | PL_orslen = proto_perl->Iorslen; |
| 6878 | PL_ors = SAVEPVN(proto_perl->Iors, PL_orslen); |
| 6879 | PL_ofmt = SAVEPV(proto_perl->Iofmt); |
| 6880 | |
| 6881 | /* interpreter atexit processing */ |
| 6882 | PL_exitlistlen = proto_perl->Iexitlistlen; |
| 6883 | if (PL_exitlistlen) { |
| 6884 | New(0, PL_exitlist, PL_exitlistlen, PerlExitListEntry); |
| 6885 | Copy(proto_perl->Iexitlist, PL_exitlist, PL_exitlistlen, PerlExitListEntry); |
| 6886 | } |
| 6887 | else |
| 6888 | PL_exitlist = (PerlExitListEntry*)NULL; |
| 6889 | PL_modglobal = hv_dup_inc(proto_perl->Imodglobal); |
| 6890 | |
| 6891 | PL_profiledata = NULL; |
| 6892 | PL_rsfp = fp_dup(proto_perl->Irsfp, '<'); |
| 6893 | /* PL_rsfp_filters entries have fake IoDIRP() */ |
| 6894 | PL_rsfp_filters = av_dup_inc(proto_perl->Irsfp_filters); |
| 6895 | |
| 6896 | PL_compcv = cv_dup(proto_perl->Icompcv); |
| 6897 | PL_comppad = av_dup(proto_perl->Icomppad); |
| 6898 | PL_comppad_name = av_dup(proto_perl->Icomppad_name); |
| 6899 | PL_comppad_name_fill = proto_perl->Icomppad_name_fill; |
| 6900 | PL_comppad_name_floor = proto_perl->Icomppad_name_floor; |
| 6901 | PL_curpad = (SV**)ptr_table_fetch(PL_ptr_table, |
| 6902 | proto_perl->Tcurpad); |
| 6903 | |
| 6904 | #ifdef HAVE_INTERP_INTERN |
| 6905 | sys_intern_dup(&proto_perl->Isys_intern, &PL_sys_intern); |
| 6906 | #endif |
| 6907 | |
| 6908 | /* more statics moved here */ |
| 6909 | PL_generation = proto_perl->Igeneration; |
| 6910 | PL_DBcv = cv_dup(proto_perl->IDBcv); |
| 6911 | |
| 6912 | PL_in_clean_objs = proto_perl->Iin_clean_objs; |
| 6913 | PL_in_clean_all = proto_perl->Iin_clean_all; |
| 6914 | |
| 6915 | PL_uid = proto_perl->Iuid; |
| 6916 | PL_euid = proto_perl->Ieuid; |
| 6917 | PL_gid = proto_perl->Igid; |
| 6918 | PL_egid = proto_perl->Iegid; |
| 6919 | PL_nomemok = proto_perl->Inomemok; |
| 6920 | PL_an = proto_perl->Ian; |
| 6921 | PL_cop_seqmax = proto_perl->Icop_seqmax; |
| 6922 | PL_op_seqmax = proto_perl->Iop_seqmax; |
| 6923 | PL_evalseq = proto_perl->Ievalseq; |
| 6924 | PL_origenviron = proto_perl->Iorigenviron; /* XXX not quite right */ |
| 6925 | PL_origalen = proto_perl->Iorigalen; |
| 6926 | PL_pidstatus = newHV(); /* XXX flag for cloning? */ |
| 6927 | PL_osname = SAVEPV(proto_perl->Iosname); |
| 6928 | PL_sh_path = SAVEPV(proto_perl->Ish_path); |
| 6929 | PL_sighandlerp = proto_perl->Isighandlerp; |
| 6930 | |
| 6931 | |
| 6932 | PL_runops = proto_perl->Irunops; |
| 6933 | |
| 6934 | Copy(proto_perl->Itokenbuf, PL_tokenbuf, 256, char); |
| 6935 | |
| 6936 | #ifdef CSH |
| 6937 | PL_cshlen = proto_perl->Icshlen; |
| 6938 | PL_cshname = SAVEPVN(proto_perl->Icshname, PL_cshlen); |
| 6939 | #endif |
| 6940 | |
| 6941 | PL_lex_state = proto_perl->Ilex_state; |
| 6942 | PL_lex_defer = proto_perl->Ilex_defer; |
| 6943 | PL_lex_expect = proto_perl->Ilex_expect; |
| 6944 | PL_lex_formbrack = proto_perl->Ilex_formbrack; |
| 6945 | PL_lex_dojoin = proto_perl->Ilex_dojoin; |
| 6946 | PL_lex_starts = proto_perl->Ilex_starts; |
| 6947 | PL_lex_stuff = sv_dup_inc(proto_perl->Ilex_stuff); |
| 6948 | PL_lex_repl = sv_dup_inc(proto_perl->Ilex_repl); |
| 6949 | PL_lex_op = proto_perl->Ilex_op; |
| 6950 | PL_lex_inpat = proto_perl->Ilex_inpat; |
| 6951 | PL_lex_inwhat = proto_perl->Ilex_inwhat; |
| 6952 | PL_lex_brackets = proto_perl->Ilex_brackets; |
| 6953 | i = (PL_lex_brackets < 120 ? 120 : PL_lex_brackets); |
| 6954 | PL_lex_brackstack = SAVEPVN(proto_perl->Ilex_brackstack,i); |
| 6955 | PL_lex_casemods = proto_perl->Ilex_casemods; |
| 6956 | i = (PL_lex_casemods < 12 ? 12 : PL_lex_casemods); |
| 6957 | PL_lex_casestack = SAVEPVN(proto_perl->Ilex_casestack,i); |
| 6958 | |
| 6959 | Copy(proto_perl->Inextval, PL_nextval, 5, YYSTYPE); |
| 6960 | Copy(proto_perl->Inexttype, PL_nexttype, 5, I32); |
| 6961 | PL_nexttoke = proto_perl->Inexttoke; |
| 6962 | |
| 6963 | PL_linestr = sv_dup_inc(proto_perl->Ilinestr); |
| 6964 | i = proto_perl->Ibufptr - SvPVX(proto_perl->Ilinestr); |
| 6965 | PL_bufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6966 | i = proto_perl->Ioldbufptr - SvPVX(proto_perl->Ilinestr); |
| 6967 | PL_oldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6968 | i = proto_perl->Ioldoldbufptr - SvPVX(proto_perl->Ilinestr); |
| 6969 | PL_oldoldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6970 | PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr); |
| 6971 | i = proto_perl->Ilinestart - SvPVX(proto_perl->Ilinestr); |
| 6972 | PL_linestart = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6973 | PL_pending_ident = proto_perl->Ipending_ident; |
| 6974 | PL_sublex_info = proto_perl->Isublex_info; /* XXX not quite right */ |
| 6975 | |
| 6976 | PL_expect = proto_perl->Iexpect; |
| 6977 | |
| 6978 | PL_multi_start = proto_perl->Imulti_start; |
| 6979 | PL_multi_end = proto_perl->Imulti_end; |
| 6980 | PL_multi_open = proto_perl->Imulti_open; |
| 6981 | PL_multi_close = proto_perl->Imulti_close; |
| 6982 | |
| 6983 | PL_error_count = proto_perl->Ierror_count; |
| 6984 | PL_subline = proto_perl->Isubline; |
| 6985 | PL_subname = sv_dup_inc(proto_perl->Isubname); |
| 6986 | |
| 6987 | PL_min_intro_pending = proto_perl->Imin_intro_pending; |
| 6988 | PL_max_intro_pending = proto_perl->Imax_intro_pending; |
| 6989 | PL_padix = proto_perl->Ipadix; |
| 6990 | PL_padix_floor = proto_perl->Ipadix_floor; |
| 6991 | PL_pad_reset_pending = proto_perl->Ipad_reset_pending; |
| 6992 | |
| 6993 | i = proto_perl->Ilast_uni - SvPVX(proto_perl->Ilinestr); |
| 6994 | PL_last_uni = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6995 | i = proto_perl->Ilast_lop - SvPVX(proto_perl->Ilinestr); |
| 6996 | PL_last_lop = SvPVX(PL_linestr) + (i < 0 ? 0 : i); |
| 6997 | PL_last_lop_op = proto_perl->Ilast_lop_op; |
| 6998 | PL_in_my = proto_perl->Iin_my; |
| 6999 | PL_in_my_stash = hv_dup(proto_perl->Iin_my_stash); |
| 7000 | #ifdef FCRYPT |
| 7001 | PL_cryptseen = proto_perl->Icryptseen; |
| 7002 | #endif |
| 7003 | |
| 7004 | PL_hints = proto_perl->Ihints; |
| 7005 | |
| 7006 | PL_amagic_generation = proto_perl->Iamagic_generation; |
| 7007 | |
| 7008 | #ifdef USE_LOCALE_COLLATE |
| 7009 | PL_collation_ix = proto_perl->Icollation_ix; |
| 7010 | PL_collation_name = SAVEPV(proto_perl->Icollation_name); |
| 7011 | PL_collation_standard = proto_perl->Icollation_standard; |
| 7012 | PL_collxfrm_base = proto_perl->Icollxfrm_base; |
| 7013 | PL_collxfrm_mult = proto_perl->Icollxfrm_mult; |
| 7014 | #endif /* USE_LOCALE_COLLATE */ |
| 7015 | |
| 7016 | #ifdef USE_LOCALE_NUMERIC |
| 7017 | PL_numeric_name = SAVEPV(proto_perl->Inumeric_name); |
| 7018 | PL_numeric_standard = proto_perl->Inumeric_standard; |
| 7019 | PL_numeric_local = proto_perl->Inumeric_local; |
| 7020 | PL_numeric_radix = proto_perl->Inumeric_radix; |
| 7021 | #endif /* !USE_LOCALE_NUMERIC */ |
| 7022 | |
| 7023 | /* utf8 character classes */ |
| 7024 | PL_utf8_alnum = sv_dup_inc(proto_perl->Iutf8_alnum); |
| 7025 | PL_utf8_alnumc = sv_dup_inc(proto_perl->Iutf8_alnumc); |
| 7026 | PL_utf8_ascii = sv_dup_inc(proto_perl->Iutf8_ascii); |
| 7027 | PL_utf8_alpha = sv_dup_inc(proto_perl->Iutf8_alpha); |
| 7028 | PL_utf8_space = sv_dup_inc(proto_perl->Iutf8_space); |
| 7029 | PL_utf8_cntrl = sv_dup_inc(proto_perl->Iutf8_cntrl); |
| 7030 | PL_utf8_graph = sv_dup_inc(proto_perl->Iutf8_graph); |
| 7031 | PL_utf8_digit = sv_dup_inc(proto_perl->Iutf8_digit); |
| 7032 | PL_utf8_upper = sv_dup_inc(proto_perl->Iutf8_upper); |
| 7033 | PL_utf8_lower = sv_dup_inc(proto_perl->Iutf8_lower); |
| 7034 | PL_utf8_print = sv_dup_inc(proto_perl->Iutf8_print); |
| 7035 | PL_utf8_punct = sv_dup_inc(proto_perl->Iutf8_punct); |
| 7036 | PL_utf8_xdigit = sv_dup_inc(proto_perl->Iutf8_xdigit); |
| 7037 | PL_utf8_mark = sv_dup_inc(proto_perl->Iutf8_mark); |
| 7038 | PL_utf8_toupper = sv_dup_inc(proto_perl->Iutf8_toupper); |
| 7039 | PL_utf8_totitle = sv_dup_inc(proto_perl->Iutf8_totitle); |
| 7040 | PL_utf8_tolower = sv_dup_inc(proto_perl->Iutf8_tolower); |
| 7041 | |
| 7042 | /* swatch cache */ |
| 7043 | PL_last_swash_hv = Nullhv; /* reinits on demand */ |
| 7044 | PL_last_swash_klen = 0; |
| 7045 | PL_last_swash_key[0]= '\0'; |
| 7046 | PL_last_swash_tmps = (U8*)NULL; |
| 7047 | PL_last_swash_slen = 0; |
| 7048 | |
| 7049 | /* perly.c globals */ |
| 7050 | PL_yydebug = proto_perl->Iyydebug; |
| 7051 | PL_yynerrs = proto_perl->Iyynerrs; |
| 7052 | PL_yyerrflag = proto_perl->Iyyerrflag; |
| 7053 | PL_yychar = proto_perl->Iyychar; |
| 7054 | PL_yyval = proto_perl->Iyyval; |
| 7055 | PL_yylval = proto_perl->Iyylval; |
| 7056 | |
| 7057 | PL_glob_index = proto_perl->Iglob_index; |
| 7058 | PL_srand_called = proto_perl->Isrand_called; |
| 7059 | PL_uudmap['M'] = 0; /* reinits on demand */ |
| 7060 | PL_bitcount = Nullch; /* reinits on demand */ |
| 7061 | |
| 7062 | if (proto_perl->Ipsig_ptr) { |
| 7063 | int sig_num[] = { SIG_NUM }; |
| 7064 | Newz(0, PL_psig_ptr, sizeof(sig_num)/sizeof(*sig_num), SV*); |
| 7065 | Newz(0, PL_psig_name, sizeof(sig_num)/sizeof(*sig_num), SV*); |
| 7066 | for (i = 1; PL_sig_name[i]; i++) { |
| 7067 | PL_psig_ptr[i] = sv_dup_inc(proto_perl->Ipsig_ptr[i]); |
| 7068 | PL_psig_name[i] = sv_dup_inc(proto_perl->Ipsig_name[i]); |
| 7069 | } |
| 7070 | } |
| 7071 | else { |
| 7072 | PL_psig_ptr = (SV**)NULL; |
| 7073 | PL_psig_name = (SV**)NULL; |
| 7074 | } |
| 7075 | |
| 7076 | /* thrdvar.h stuff */ |
| 7077 | |
| 7078 | if (flags & 1) { |
| 7079 | /* next allocation will be PL_tmps_stack[PL_tmps_ix+1] */ |
| 7080 | PL_tmps_ix = proto_perl->Ttmps_ix; |
| 7081 | PL_tmps_max = proto_perl->Ttmps_max; |
| 7082 | PL_tmps_floor = proto_perl->Ttmps_floor; |
| 7083 | Newz(50, PL_tmps_stack, PL_tmps_max, SV*); |
| 7084 | i = 0; |
| 7085 | while (i <= PL_tmps_ix) { |
| 7086 | PL_tmps_stack[i] = sv_dup_inc(proto_perl->Ttmps_stack[i]); |
| 7087 | ++i; |
| 7088 | } |
| 7089 | |
| 7090 | /* next PUSHMARK() sets *(PL_markstack_ptr+1) */ |
| 7091 | i = proto_perl->Tmarkstack_max - proto_perl->Tmarkstack; |
| 7092 | Newz(54, PL_markstack, i, I32); |
| 7093 | PL_markstack_max = PL_markstack + (proto_perl->Tmarkstack_max |
| 7094 | - proto_perl->Tmarkstack); |
| 7095 | PL_markstack_ptr = PL_markstack + (proto_perl->Tmarkstack_ptr |
| 7096 | - proto_perl->Tmarkstack); |
| 7097 | Copy(proto_perl->Tmarkstack, PL_markstack, |
| 7098 | PL_markstack_ptr - PL_markstack + 1, I32); |
| 7099 | |
| 7100 | /* next push_scope()/ENTER sets PL_scopestack[PL_scopestack_ix] |
| 7101 | * NOTE: unlike the others! */ |
| 7102 | PL_scopestack_ix = proto_perl->Tscopestack_ix; |
| 7103 | PL_scopestack_max = proto_perl->Tscopestack_max; |
| 7104 | Newz(54, PL_scopestack, PL_scopestack_max, I32); |
| 7105 | Copy(proto_perl->Tscopestack, PL_scopestack, PL_scopestack_ix, I32); |
| 7106 | |
| 7107 | /* next push_return() sets PL_retstack[PL_retstack_ix] |
| 7108 | * NOTE: unlike the others! */ |
| 7109 | PL_retstack_ix = proto_perl->Tretstack_ix; |
| 7110 | PL_retstack_max = proto_perl->Tretstack_max; |
| 7111 | Newz(54, PL_retstack, PL_retstack_max, OP*); |
| 7112 | Copy(proto_perl->Tretstack, PL_retstack, PL_retstack_ix, I32); |
| 7113 | |
| 7114 | /* NOTE: si_dup() looks at PL_markstack */ |
| 7115 | PL_curstackinfo = si_dup(proto_perl->Tcurstackinfo); |
| 7116 | |
| 7117 | /* PL_curstack = PL_curstackinfo->si_stack; */ |
| 7118 | PL_curstack = av_dup(proto_perl->Tcurstack); |
| 7119 | PL_mainstack = av_dup(proto_perl->Tmainstack); |
| 7120 | |
| 7121 | /* next PUSHs() etc. set *(PL_stack_sp+1) */ |
| 7122 | PL_stack_base = AvARRAY(PL_curstack); |
| 7123 | PL_stack_sp = PL_stack_base + (proto_perl->Tstack_sp |
| 7124 | - proto_perl->Tstack_base); |
| 7125 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
| 7126 | |
| 7127 | /* next SSPUSHFOO() sets PL_savestack[PL_savestack_ix] |
| 7128 | * NOTE: unlike the others! */ |
| 7129 | PL_savestack_ix = proto_perl->Tsavestack_ix; |
| 7130 | PL_savestack_max = proto_perl->Tsavestack_max; |
| 7131 | /*Newz(54, PL_savestack, PL_savestack_max, ANY);*/ |
| 7132 | PL_savestack = ss_dup(proto_perl); |
| 7133 | } |
| 7134 | else { |
| 7135 | init_stacks(); |
| 7136 | } |
| 7137 | |
| 7138 | PL_start_env = proto_perl->Tstart_env; /* XXXXXX */ |
| 7139 | PL_top_env = &PL_start_env; |
| 7140 | |
| 7141 | PL_op = proto_perl->Top; |
| 7142 | |
| 7143 | PL_Sv = Nullsv; |
| 7144 | PL_Xpv = (XPV*)NULL; |
| 7145 | PL_na = proto_perl->Tna; |
| 7146 | |
| 7147 | PL_statbuf = proto_perl->Tstatbuf; |
| 7148 | PL_statcache = proto_perl->Tstatcache; |
| 7149 | PL_statgv = gv_dup(proto_perl->Tstatgv); |
| 7150 | PL_statname = sv_dup_inc(proto_perl->Tstatname); |
| 7151 | #ifdef HAS_TIMES |
| 7152 | PL_timesbuf = proto_perl->Ttimesbuf; |
| 7153 | #endif |
| 7154 | |
| 7155 | PL_tainted = proto_perl->Ttainted; |
| 7156 | PL_curpm = proto_perl->Tcurpm; /* XXX No PMOP ref count */ |
| 7157 | PL_nrs = sv_dup_inc(proto_perl->Tnrs); |
| 7158 | PL_rs = sv_dup_inc(proto_perl->Trs); |
| 7159 | PL_last_in_gv = gv_dup(proto_perl->Tlast_in_gv); |
| 7160 | PL_ofslen = proto_perl->Tofslen; |
| 7161 | PL_ofs = SAVEPVN(proto_perl->Tofs, PL_ofslen); |
| 7162 | PL_defoutgv = gv_dup_inc(proto_perl->Tdefoutgv); |
| 7163 | PL_chopset = proto_perl->Tchopset; /* XXX never deallocated */ |
| 7164 | PL_toptarget = sv_dup_inc(proto_perl->Ttoptarget); |
| 7165 | PL_bodytarget = sv_dup_inc(proto_perl->Tbodytarget); |
| 7166 | PL_formtarget = sv_dup(proto_perl->Tformtarget); |
| 7167 | |
| 7168 | PL_restartop = proto_perl->Trestartop; |
| 7169 | PL_in_eval = proto_perl->Tin_eval; |
| 7170 | PL_delaymagic = proto_perl->Tdelaymagic; |
| 7171 | PL_dirty = proto_perl->Tdirty; |
| 7172 | PL_localizing = proto_perl->Tlocalizing; |
| 7173 | |
| 7174 | PL_protect = proto_perl->Tprotect; |
| 7175 | PL_errors = sv_dup_inc(proto_perl->Terrors); |
| 7176 | PL_av_fetch_sv = Nullsv; |
| 7177 | PL_hv_fetch_sv = Nullsv; |
| 7178 | Zero(&PL_hv_fetch_ent_mh, 1, HE); /* XXX */ |
| 7179 | PL_modcount = proto_perl->Tmodcount; |
| 7180 | PL_lastgotoprobe = Nullop; |
| 7181 | PL_dumpindent = proto_perl->Tdumpindent; |
| 7182 | |
| 7183 | PL_sortcop = (OP*)any_dup(proto_perl->Tsortcop, proto_perl); |
| 7184 | PL_sortstash = hv_dup(proto_perl->Tsortstash); |
| 7185 | PL_firstgv = gv_dup(proto_perl->Tfirstgv); |
| 7186 | PL_secondgv = gv_dup(proto_perl->Tsecondgv); |
| 7187 | PL_sortcxix = proto_perl->Tsortcxix; |
| 7188 | PL_efloatbuf = Nullch; /* reinits on demand */ |
| 7189 | PL_efloatsize = 0; /* reinits on demand */ |
| 7190 | |
| 7191 | /* regex stuff */ |
| 7192 | |
| 7193 | PL_screamfirst = NULL; |
| 7194 | PL_screamnext = NULL; |
| 7195 | PL_maxscream = -1; /* reinits on demand */ |
| 7196 | PL_lastscream = Nullsv; |
| 7197 | |
| 7198 | PL_watchaddr = NULL; |
| 7199 | PL_watchok = Nullch; |
| 7200 | |
| 7201 | PL_regdummy = proto_perl->Tregdummy; |
| 7202 | PL_regcomp_parse = Nullch; |
| 7203 | PL_regxend = Nullch; |
| 7204 | PL_regcode = (regnode*)NULL; |
| 7205 | PL_regnaughty = 0; |
| 7206 | PL_regsawback = 0; |
| 7207 | PL_regprecomp = Nullch; |
| 7208 | PL_regnpar = 0; |
| 7209 | PL_regsize = 0; |
| 7210 | PL_regflags = 0; |
| 7211 | PL_regseen = 0; |
| 7212 | PL_seen_zerolen = 0; |
| 7213 | PL_seen_evals = 0; |
| 7214 | PL_regcomp_rx = (regexp*)NULL; |
| 7215 | PL_extralen = 0; |
| 7216 | PL_colorset = 0; /* reinits PL_colors[] */ |
| 7217 | /*PL_colors[6] = {0,0,0,0,0,0};*/ |
| 7218 | PL_reg_whilem_seen = 0; |
| 7219 | PL_reginput = Nullch; |
| 7220 | PL_regbol = Nullch; |
| 7221 | PL_regeol = Nullch; |
| 7222 | PL_regstartp = (I32*)NULL; |
| 7223 | PL_regendp = (I32*)NULL; |
| 7224 | PL_reglastparen = (U32*)NULL; |
| 7225 | PL_regtill = Nullch; |
| 7226 | PL_regprev = '\n'; |
| 7227 | PL_reg_start_tmp = (char**)NULL; |
| 7228 | PL_reg_start_tmpl = 0; |
| 7229 | PL_regdata = (struct reg_data*)NULL; |
| 7230 | PL_bostr = Nullch; |
| 7231 | PL_reg_flags = 0; |
| 7232 | PL_reg_eval_set = 0; |
| 7233 | PL_regnarrate = 0; |
| 7234 | PL_regprogram = (regnode*)NULL; |
| 7235 | PL_regindent = 0; |
| 7236 | PL_regcc = (CURCUR*)NULL; |
| 7237 | PL_reg_call_cc = (struct re_cc_state*)NULL; |
| 7238 | PL_reg_re = (regexp*)NULL; |
| 7239 | PL_reg_ganch = Nullch; |
| 7240 | PL_reg_sv = Nullsv; |
| 7241 | PL_reg_magic = (MAGIC*)NULL; |
| 7242 | PL_reg_oldpos = 0; |
| 7243 | PL_reg_oldcurpm = (PMOP*)NULL; |
| 7244 | PL_reg_curpm = (PMOP*)NULL; |
| 7245 | PL_reg_oldsaved = Nullch; |
| 7246 | PL_reg_oldsavedlen = 0; |
| 7247 | PL_reg_maxiter = 0; |
| 7248 | PL_reg_leftiter = 0; |
| 7249 | PL_reg_poscache = Nullch; |
| 7250 | PL_reg_poscache_size= 0; |
| 7251 | |
| 7252 | /* RE engine - function pointers */ |
| 7253 | PL_regcompp = proto_perl->Tregcompp; |
| 7254 | PL_regexecp = proto_perl->Tregexecp; |
| 7255 | PL_regint_start = proto_perl->Tregint_start; |
| 7256 | PL_regint_string = proto_perl->Tregint_string; |
| 7257 | PL_regfree = proto_perl->Tregfree; |
| 7258 | |
| 7259 | PL_reginterp_cnt = 0; |
| 7260 | PL_reg_starttry = 0; |
| 7261 | |
| 7262 | #ifdef PERL_OBJECT |
| 7263 | return (PerlInterpreter*)pPerl; |
| 7264 | #else |
| 7265 | return my_perl; |
| 7266 | #endif |
| 7267 | } |
| 7268 | |
| 7269 | #else /* !USE_ITHREADS */ |
| 7270 | |
| 7271 | #ifdef PERL_OBJECT |
| 7272 | #include "XSUB.h" |
| 7273 | #endif |
| 7274 | |
| 7275 | #endif /* USE_ITHREADS */ |
| 7276 | |
| 7277 | static void |
| 7278 | do_report_used(pTHXo_ SV *sv) |
| 7279 | { |
| 7280 | if (SvTYPE(sv) != SVTYPEMASK) { |
| 7281 | PerlIO_printf(Perl_debug_log, "****\n"); |
| 7282 | sv_dump(sv); |
| 7283 | } |
| 7284 | } |
| 7285 | |
| 7286 | static void |
| 7287 | do_clean_objs(pTHXo_ SV *sv) |
| 7288 | { |
| 7289 | SV* rv; |
| 7290 | |
| 7291 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
| 7292 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
| 7293 | SvROK_off(sv); |
| 7294 | SvRV(sv) = 0; |
| 7295 | SvREFCNT_dec(rv); |
| 7296 | } |
| 7297 | |
| 7298 | /* XXX Might want to check arrays, etc. */ |
| 7299 | } |
| 7300 | |
| 7301 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
| 7302 | static void |
| 7303 | do_clean_named_objs(pTHXo_ SV *sv) |
| 7304 | { |
| 7305 | if (SvTYPE(sv) == SVt_PVGV && GvGP(sv)) { |
| 7306 | if ( SvOBJECT(GvSV(sv)) || |
| 7307 | GvAV(sv) && SvOBJECT(GvAV(sv)) || |
| 7308 | GvHV(sv) && SvOBJECT(GvHV(sv)) || |
| 7309 | GvIO(sv) && SvOBJECT(GvIO(sv)) || |
| 7310 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) |
| 7311 | { |
| 7312 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) |
| 7313 | SvREFCNT_dec(sv); |
| 7314 | } |
| 7315 | } |
| 7316 | } |
| 7317 | #endif |
| 7318 | |
| 7319 | static void |
| 7320 | do_clean_all(pTHXo_ SV *sv) |
| 7321 | { |
| 7322 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) );) |
| 7323 | SvFLAGS(sv) |= SVf_BREAK; |
| 7324 | SvREFCNT_dec(sv); |
| 7325 | } |
| 7326 | |