| Commit | Line | Data |
|---|
| a0d0e21e |
1 | /* pp_hot.c |
| 2 | * |
| 3 | * Copyright (c) 1991-1994, 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 | * Then he heard Merry change the note, and up went the Horn-cry of Buckland, |
| 12 | * shaking the air. |
| 13 | * |
| 14 | * Awake! Awake! Fear, Fire, Foes! Awake! |
| 15 | * Fire, Foes! Awake! |
| 16 | */ |
| 17 | |
| 18 | #include "EXTERN.h" |
| 19 | #include "perl.h" |
| 20 | |
| 21 | /* Hot code. */ |
| 22 | |
| 11343788 |
23 | #ifdef USE_THREADS |
| 24 | static void |
| 25 | unset_cvowner(cvarg) |
| 26 | void *cvarg; |
| 27 | { |
| 28 | register CV* cv = (CV *) cvarg; |
| 29 | #ifdef DEBUGGING |
| 30 | dTHR; |
| 31 | #endif /* DEBUGGING */ |
| 32 | |
| 33 | DEBUG_L((fprintf(stderr, "0x%lx unsetting CvOWNER of 0x%lx:%s\n", |
| 34 | (unsigned long)thr, (unsigned long)cv, SvPEEK((SV*)cv)))); |
| 35 | MUTEX_LOCK(CvMUTEXP(cv)); |
| 36 | assert(CvDEPTH(cv) == 0); |
| 37 | assert(thr == CvOWNER(cv)); |
| 38 | CvOWNER(cv) = 0; |
| 39 | if (CvCONDP(cv)) |
| 40 | COND_SIGNAL(CvCONDP(cv)); /* next please */ |
| 41 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 42 | SvREFCNT_dec(cv); |
| 43 | } |
| 44 | |
| 45 | #if 0 |
| 46 | void |
| 47 | mutex_unlock(m) |
| 48 | void *m; |
| 49 | { |
| 50 | #ifdef DEBUGGING |
| 51 | dTHR; |
| 52 | DEBUG_L((fprintf(stderr, "0x%lx unlocking mutex 0x%lx\n", |
| 53 | (unsigned long) thr, (unsigned long) m))); |
| 54 | #endif /* DEBUGGING */ |
| 55 | MUTEX_UNLOCK((pthread_mutex_t *) m); |
| 56 | } |
| 57 | #endif |
| 58 | #endif /* USE_THREADS */ |
| 59 | |
| a0d0e21e |
60 | PP(pp_const) |
| 61 | { |
| 62 | dSP; |
| 63 | XPUSHs(cSVOP->op_sv); |
| 64 | RETURN; |
| 65 | } |
| 66 | |
| 67 | PP(pp_nextstate) |
| 68 | { |
| 69 | curcop = (COP*)op; |
| 70 | TAINT_NOT; /* Each statement is presumed innocent */ |
| 71 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
| 72 | FREETMPS; |
| 73 | return NORMAL; |
| 74 | } |
| 75 | |
| 76 | PP(pp_gvsv) |
| 77 | { |
| 78 | dSP; |
| 79 | EXTEND(sp,1); |
| 80 | if (op->op_private & OPpLVAL_INTRO) |
| 81 | PUSHs(save_scalar(cGVOP->op_gv)); |
| 82 | else |
| 83 | PUSHs(GvSV(cGVOP->op_gv)); |
| 84 | RETURN; |
| 85 | } |
| 86 | |
| 87 | PP(pp_null) |
| 88 | { |
| 89 | return NORMAL; |
| 90 | } |
| 91 | |
| 92 | PP(pp_pushmark) |
| 93 | { |
| 94 | PUSHMARK(stack_sp); |
| 95 | return NORMAL; |
| 96 | } |
| 97 | |
| 98 | PP(pp_stringify) |
| 99 | { |
| 100 | dSP; dTARGET; |
| 101 | STRLEN len; |
| 102 | char *s; |
| 103 | s = SvPV(TOPs,len); |
| 104 | sv_setpvn(TARG,s,len); |
| 105 | SETTARG; |
| 106 | RETURN; |
| 107 | } |
| 108 | |
| 109 | PP(pp_gv) |
| 110 | { |
| 111 | dSP; |
| 112 | XPUSHs((SV*)cGVOP->op_gv); |
| 113 | RETURN; |
| 114 | } |
| 115 | |
| c07a80fd |
116 | PP(pp_gelem) |
| 117 | { |
| 118 | GV *gv; |
| 119 | SV *sv; |
| 120 | SV *ref; |
| 121 | char *elem; |
| 122 | dSP; |
| 123 | |
| 124 | sv = POPs; |
| 125 | elem = SvPV(sv, na); |
| 126 | gv = (GV*)POPs; |
| 127 | ref = Nullsv; |
| 128 | sv = Nullsv; |
| 129 | switch (elem ? *elem : '\0') |
| 130 | { |
| 131 | case 'A': |
| 132 | if (strEQ(elem, "ARRAY")) |
| 133 | ref = (SV*)GvAV(gv); |
| 134 | break; |
| 135 | case 'C': |
| 136 | if (strEQ(elem, "CODE")) |
| 137 | ref = (SV*)GvCV(gv); |
| 138 | break; |
| 139 | case 'F': |
| 140 | if (strEQ(elem, "FILEHANDLE")) |
| 141 | ref = (SV*)GvIOp(gv); |
| 142 | break; |
| 143 | case 'G': |
| 144 | if (strEQ(elem, "GLOB")) |
| 145 | ref = (SV*)gv; |
| 146 | break; |
| 147 | case 'H': |
| 148 | if (strEQ(elem, "HASH")) |
| 149 | ref = (SV*)GvHV(gv); |
| 150 | break; |
| 151 | case 'N': |
| 152 | if (strEQ(elem, "NAME")) |
| 153 | sv = newSVpv(GvNAME(gv), GvNAMELEN(gv)); |
| 154 | break; |
| 155 | case 'P': |
| 156 | if (strEQ(elem, "PACKAGE")) |
| 157 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); |
| 158 | break; |
| 159 | case 'S': |
| 160 | if (strEQ(elem, "SCALAR")) |
| 161 | ref = GvSV(gv); |
| 162 | break; |
| 163 | } |
| 164 | if (ref) |
| 165 | sv = newRV(ref); |
| 166 | if (sv) |
| 167 | sv_2mortal(sv); |
| 168 | else |
| 169 | sv = &sv_undef; |
| 170 | XPUSHs(sv); |
| 171 | RETURN; |
| 172 | } |
| 173 | |
| a0d0e21e |
174 | PP(pp_and) |
| 175 | { |
| 176 | dSP; |
| 177 | if (!SvTRUE(TOPs)) |
| 178 | RETURN; |
| 179 | else { |
| 180 | --SP; |
| 181 | RETURNOP(cLOGOP->op_other); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | PP(pp_sassign) |
| 186 | { |
| 187 | dSP; dPOPTOPssrl; |
| 748a9306 |
188 | MAGIC *mg; |
| 189 | |
| a0d0e21e |
190 | if (op->op_private & OPpASSIGN_BACKWARDS) { |
| 191 | SV *temp; |
| 192 | temp = left; left = right; right = temp; |
| 193 | } |
| 194 | if (tainting && tainted && (!SvGMAGICAL(left) || !SvSMAGICAL(left) || |
| 748a9306 |
195 | !((mg = mg_find(left, 't')) && mg->mg_len & 1))) |
| 196 | { |
| a0d0e21e |
197 | TAINT_NOT; |
| 198 | } |
| 199 | SvSetSV(right, left); |
| 200 | SvSETMAGIC(right); |
| 201 | SETs(right); |
| 202 | RETURN; |
| 203 | } |
| 204 | |
| 205 | PP(pp_cond_expr) |
| 206 | { |
| 207 | dSP; |
| 208 | if (SvTRUEx(POPs)) |
| 209 | RETURNOP(cCONDOP->op_true); |
| 210 | else |
| 211 | RETURNOP(cCONDOP->op_false); |
| 212 | } |
| 213 | |
| 214 | PP(pp_unstack) |
| 215 | { |
| 216 | I32 oldsave; |
| 217 | TAINT_NOT; /* Each statement is presumed innocent */ |
| 218 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
| 219 | FREETMPS; |
| 220 | oldsave = scopestack[scopestack_ix - 1]; |
| 221 | LEAVE_SCOPE(oldsave); |
| 222 | return NORMAL; |
| 223 | } |
| 224 | |
| 225 | PP(pp_seq) |
| 226 | { |
| 227 | dSP; tryAMAGICbinSET(seq,0); |
| 228 | { |
| 229 | dPOPTOPssrl; |
| 230 | SETs( sv_eq(left, right) ? &sv_yes : &sv_no ); |
| 231 | RETURN; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | PP(pp_concat) |
| 236 | { |
| 748a9306 |
237 | dSP; dATARGET; tryAMAGICbin(concat,opASSIGN); |
| 238 | { |
| 239 | dPOPTOPssrl; |
| a0d0e21e |
240 | STRLEN len; |
| 241 | char *s; |
| 242 | if (TARG != left) { |
| 243 | s = SvPV(left,len); |
| 244 | sv_setpvn(TARG,s,len); |
| 245 | } |
| c07a80fd |
246 | else if (SvGMAGICAL(TARG)) |
| 247 | mg_get(TARG); |
| 4633a7c4 |
248 | else if (!SvOK(TARG)) { |
| 249 | s = SvPV_force(TARG, len); |
| 748a9306 |
250 | sv_setpv(TARG, ""); /* Suppress warning. */ |
| 4633a7c4 |
251 | } |
| a0d0e21e |
252 | s = SvPV(right,len); |
| 253 | sv_catpvn(TARG,s,len); |
| 254 | SETTARG; |
| 255 | RETURN; |
| 748a9306 |
256 | } |
| a0d0e21e |
257 | } |
| 258 | |
| 259 | PP(pp_padsv) |
| 260 | { |
| 261 | dSP; dTARGET; |
| 262 | XPUSHs(TARG); |
| 4633a7c4 |
263 | if (op->op_flags & OPf_MOD) { |
| 264 | if (op->op_private & OPpLVAL_INTRO) |
| 265 | SAVECLEARSV(curpad[op->op_targ]); |
| 02a9e968 |
266 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
| 267 | provide_ref(op, curpad[op->op_targ]); |
| 4633a7c4 |
268 | } |
| a0d0e21e |
269 | RETURN; |
| 270 | } |
| 271 | |
| 272 | PP(pp_readline) |
| 273 | { |
| 274 | last_in_gv = (GV*)(*stack_sp--); |
| 275 | return do_readline(); |
| 276 | } |
| 277 | |
| 278 | PP(pp_eq) |
| 279 | { |
| 280 | dSP; tryAMAGICbinSET(eq,0); |
| 281 | { |
| 282 | dPOPnv; |
| 283 | SETs((TOPn == value) ? &sv_yes : &sv_no); |
| 284 | RETURN; |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | PP(pp_preinc) |
| 289 | { |
| 290 | dSP; |
| 748a9306 |
291 | if (SvIOK(TOPs)) { |
| 292 | ++SvIVX(TOPs); |
| 293 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
| 294 | } |
| 295 | else |
| 296 | sv_inc(TOPs); |
| a0d0e21e |
297 | SvSETMAGIC(TOPs); |
| 298 | return NORMAL; |
| 299 | } |
| 300 | |
| 301 | PP(pp_or) |
| 302 | { |
| 303 | dSP; |
| 304 | if (SvTRUE(TOPs)) |
| 305 | RETURN; |
| 306 | else { |
| 307 | --SP; |
| 308 | RETURNOP(cLOGOP->op_other); |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | PP(pp_add) |
| 313 | { |
| 314 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| 315 | { |
| 316 | dPOPTOPnnrl; |
| 317 | SETn( left + right ); |
| 318 | RETURN; |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | PP(pp_aelemfast) |
| 323 | { |
| 324 | dSP; |
| 325 | AV *av = GvAV((GV*)cSVOP->op_sv); |
| 326 | SV** svp = av_fetch(av, op->op_private, op->op_flags & OPf_MOD); |
| 327 | PUSHs(svp ? *svp : &sv_undef); |
| 328 | RETURN; |
| 329 | } |
| 330 | |
| 331 | PP(pp_join) |
| 332 | { |
| 333 | dSP; dMARK; dTARGET; |
| 334 | MARK++; |
| 335 | do_join(TARG, *MARK, MARK, SP); |
| 336 | SP = MARK; |
| 337 | SETs(TARG); |
| 338 | RETURN; |
| 339 | } |
| 340 | |
| 341 | PP(pp_pushre) |
| 342 | { |
| 343 | dSP; |
| 344 | XPUSHs((SV*)op); |
| 345 | RETURN; |
| 346 | } |
| 347 | |
| 348 | /* Oversized hot code. */ |
| 349 | |
| 350 | PP(pp_print) |
| 351 | { |
| 352 | dSP; dMARK; dORIGMARK; |
| 353 | GV *gv; |
| 354 | IO *io; |
| 355 | register FILE *fp; |
| 356 | |
| 357 | if (op->op_flags & OPf_STACKED) |
| 358 | gv = (GV*)*++MARK; |
| 359 | else |
| 360 | gv = defoutgv; |
| 361 | if (!(io = GvIO(gv))) { |
| 748a9306 |
362 | if (dowarn) { |
| 363 | SV* sv = sv_newmortal(); |
| 364 | gv_fullname(sv,gv); |
| 365 | warn("Filehandle %s never opened", SvPV(sv,na)); |
| 366 | } |
| 367 | |
| 368 | SETERRNO(EBADF,RMS$_IFI); |
| a0d0e21e |
369 | goto just_say_no; |
| 370 | } |
| 371 | else if (!(fp = IoOFP(io))) { |
| 372 | if (dowarn) { |
| 748a9306 |
373 | SV* sv = sv_newmortal(); |
| 374 | gv_fullname(sv,gv); |
| a0d0e21e |
375 | if (IoIFP(io)) |
| 748a9306 |
376 | warn("Filehandle %s opened only for input", SvPV(sv,na)); |
| a0d0e21e |
377 | else |
| 748a9306 |
378 | warn("print on closed filehandle %s", SvPV(sv,na)); |
| a0d0e21e |
379 | } |
| 748a9306 |
380 | SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); |
| a0d0e21e |
381 | goto just_say_no; |
| 382 | } |
| 383 | else { |
| 384 | MARK++; |
| 385 | if (ofslen) { |
| 386 | while (MARK <= SP) { |
| 387 | if (!do_print(*MARK, fp)) |
| 388 | break; |
| 389 | MARK++; |
| 390 | if (MARK <= SP) { |
| 391 | if (fwrite1(ofs, 1, ofslen, fp) == 0 || ferror(fp)) { |
| 392 | MARK--; |
| 393 | break; |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | else { |
| 399 | while (MARK <= SP) { |
| 400 | if (!do_print(*MARK, fp)) |
| 401 | break; |
| 402 | MARK++; |
| 403 | } |
| 404 | } |
| 405 | if (MARK <= SP) |
| 406 | goto just_say_no; |
| 407 | else { |
| 408 | if (orslen) |
| 409 | if (fwrite1(ors, 1, orslen, fp) == 0 || ferror(fp)) |
| 410 | goto just_say_no; |
| 411 | |
| 412 | if (IoFLAGS(io) & IOf_FLUSH) |
| a5f75d66 |
413 | if (Fflush(fp) == EOF) |
| a0d0e21e |
414 | goto just_say_no; |
| 415 | } |
| 416 | } |
| 417 | SP = ORIGMARK; |
| 418 | PUSHs(&sv_yes); |
| 419 | RETURN; |
| 420 | |
| 421 | just_say_no: |
| 422 | SP = ORIGMARK; |
| 423 | PUSHs(&sv_undef); |
| 424 | RETURN; |
| 425 | } |
| 426 | |
| 427 | PP(pp_rv2av) |
| 428 | { |
| 429 | dSP; dPOPss; |
| 430 | |
| 431 | AV *av; |
| 432 | |
| 433 | if (SvROK(sv)) { |
| 434 | wasref: |
| 435 | av = (AV*)SvRV(sv); |
| 436 | if (SvTYPE(av) != SVt_PVAV) |
| 437 | DIE("Not an ARRAY reference"); |
| 438 | if (op->op_private & OPpLVAL_INTRO) |
| 439 | av = (AV*)save_svref((SV**)sv); |
| 440 | if (op->op_flags & OPf_REF) { |
| 441 | PUSHs((SV*)av); |
| 442 | RETURN; |
| 443 | } |
| 444 | } |
| 445 | else { |
| 446 | if (SvTYPE(sv) == SVt_PVAV) { |
| 447 | av = (AV*)sv; |
| 448 | if (op->op_flags & OPf_REF) { |
| 449 | PUSHs((SV*)av); |
| 450 | RETURN; |
| 451 | } |
| 452 | } |
| 453 | else { |
| 454 | if (SvTYPE(sv) != SVt_PVGV) { |
| 748a9306 |
455 | char *sym; |
| 456 | |
| a0d0e21e |
457 | if (SvGMAGICAL(sv)) { |
| 458 | mg_get(sv); |
| 459 | if (SvROK(sv)) |
| 460 | goto wasref; |
| 461 | } |
| 462 | if (!SvOK(sv)) { |
| 463 | if (op->op_flags & OPf_REF || |
| 464 | op->op_private & HINT_STRICT_REFS) |
| 465 | DIE(no_usym, "an ARRAY"); |
| 4633a7c4 |
466 | if (GIMME == G_ARRAY) |
| 467 | RETURN; |
| a0d0e21e |
468 | RETPUSHUNDEF; |
| 469 | } |
| 748a9306 |
470 | sym = SvPV(sv,na); |
| a0d0e21e |
471 | if (op->op_private & HINT_STRICT_REFS) |
| 748a9306 |
472 | DIE(no_symref, sym, "an ARRAY"); |
| 473 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVAV); |
| a0d0e21e |
474 | } |
| 475 | av = GvAVn(sv); |
| 476 | if (op->op_private & OPpLVAL_INTRO) |
| 477 | av = save_ary(sv); |
| 478 | if (op->op_flags & OPf_REF) { |
| 479 | PUSHs((SV*)av); |
| 480 | RETURN; |
| 481 | } |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | if (GIMME == G_ARRAY) { |
| 486 | I32 maxarg = AvFILL(av) + 1; |
| 487 | EXTEND(SP, maxarg); |
| 488 | Copy(AvARRAY(av), SP+1, maxarg, SV*); |
| 489 | SP += maxarg; |
| 490 | } |
| 491 | else { |
| 492 | dTARGET; |
| 493 | I32 maxarg = AvFILL(av) + 1; |
| 494 | PUSHi(maxarg); |
| 495 | } |
| 496 | RETURN; |
| 497 | } |
| 498 | |
| 499 | PP(pp_rv2hv) |
| 500 | { |
| 501 | |
| 502 | dSP; dTOPss; |
| 503 | |
| 504 | HV *hv; |
| 505 | |
| 506 | if (SvROK(sv)) { |
| 507 | wasref: |
| 508 | hv = (HV*)SvRV(sv); |
| 509 | if (SvTYPE(hv) != SVt_PVHV) |
| 510 | DIE("Not a HASH reference"); |
| 511 | if (op->op_private & OPpLVAL_INTRO) |
| 512 | hv = (HV*)save_svref((SV**)sv); |
| 513 | if (op->op_flags & OPf_REF) { |
| 514 | SETs((SV*)hv); |
| 515 | RETURN; |
| 516 | } |
| 517 | } |
| 518 | else { |
| 519 | if (SvTYPE(sv) == SVt_PVHV) { |
| 520 | hv = (HV*)sv; |
| 521 | if (op->op_flags & OPf_REF) { |
| 522 | SETs((SV*)hv); |
| 523 | RETURN; |
| 524 | } |
| 525 | } |
| 526 | else { |
| 527 | if (SvTYPE(sv) != SVt_PVGV) { |
| 748a9306 |
528 | char *sym; |
| 529 | |
| a0d0e21e |
530 | if (SvGMAGICAL(sv)) { |
| 531 | mg_get(sv); |
| 532 | if (SvROK(sv)) |
| 533 | goto wasref; |
| 534 | } |
| 535 | if (!SvOK(sv)) { |
| 536 | if (op->op_flags & OPf_REF || |
| 537 | op->op_private & HINT_STRICT_REFS) |
| 538 | DIE(no_usym, "a HASH"); |
| 4633a7c4 |
539 | if (GIMME == G_ARRAY) { |
| 540 | SP--; |
| 541 | RETURN; |
| 542 | } |
| a0d0e21e |
543 | RETSETUNDEF; |
| 544 | } |
| 748a9306 |
545 | sym = SvPV(sv,na); |
| a0d0e21e |
546 | if (op->op_private & HINT_STRICT_REFS) |
| 748a9306 |
547 | DIE(no_symref, sym, "a HASH"); |
| 548 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVHV); |
| a0d0e21e |
549 | } |
| 550 | hv = GvHVn(sv); |
| 551 | if (op->op_private & OPpLVAL_INTRO) |
| 552 | hv = save_hash(sv); |
| 553 | if (op->op_flags & OPf_REF) { |
| 554 | SETs((SV*)hv); |
| 555 | RETURN; |
| 556 | } |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | if (GIMME == G_ARRAY) { /* array wanted */ |
| 561 | *stack_sp = (SV*)hv; |
| 562 | return do_kv(ARGS); |
| 563 | } |
| 564 | else { |
| 565 | dTARGET; |
| 566 | if (HvFILL(hv)) { |
| 567 | sprintf(buf, "%d/%d", HvFILL(hv), HvMAX(hv)+1); |
| 568 | sv_setpv(TARG, buf); |
| 569 | } |
| 570 | else |
| 571 | sv_setiv(TARG, 0); |
| 572 | SETTARG; |
| 573 | RETURN; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | PP(pp_aassign) |
| 578 | { |
| 579 | dSP; |
| 580 | SV **lastlelem = stack_sp; |
| 581 | SV **lastrelem = stack_base + POPMARK; |
| 582 | SV **firstrelem = stack_base + POPMARK + 1; |
| 583 | SV **firstlelem = lastrelem + 1; |
| 584 | |
| 585 | register SV **relem; |
| 586 | register SV **lelem; |
| 587 | |
| 588 | register SV *sv; |
| 589 | register AV *ary; |
| 590 | |
| 591 | HV *hash; |
| 592 | I32 i; |
| 593 | int magic; |
| 594 | |
| 595 | delaymagic = DM_DELAY; /* catch simultaneous items */ |
| 596 | |
| 597 | /* If there's a common identifier on both sides we have to take |
| 598 | * special care that assigning the identifier on the left doesn't |
| 599 | * clobber a value on the right that's used later in the list. |
| 600 | */ |
| 601 | if (op->op_private & OPpASSIGN_COMMON) { |
| 602 | for (relem = firstrelem; relem <= lastrelem; relem++) { |
| 603 | /*SUPPRESS 560*/ |
| 604 | if (sv = *relem) |
| 605 | *relem = sv_mortalcopy(sv); |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | relem = firstrelem; |
| 610 | lelem = firstlelem; |
| 611 | ary = Null(AV*); |
| 612 | hash = Null(HV*); |
| 613 | while (lelem <= lastlelem) { |
| 4633a7c4 |
614 | tainted = 0; /* Each item stands on its own, taintwise. */ |
| a0d0e21e |
615 | sv = *lelem++; |
| 616 | switch (SvTYPE(sv)) { |
| 617 | case SVt_PVAV: |
| 618 | ary = (AV*)sv; |
| 748a9306 |
619 | magic = SvMAGICAL(ary) != 0; |
| a0d0e21e |
620 | |
| 621 | av_clear(ary); |
| 622 | i = 0; |
| 623 | while (relem <= lastrelem) { /* gobble up all the rest */ |
| 624 | sv = NEWSV(28,0); |
| 625 | assert(*relem); |
| 626 | sv_setsv(sv,*relem); |
| 627 | *(relem++) = sv; |
| 628 | (void)av_store(ary,i++,sv); |
| 629 | if (magic) |
| 630 | mg_set(sv); |
| 4633a7c4 |
631 | tainted = 0; |
| a0d0e21e |
632 | } |
| 633 | break; |
| 634 | case SVt_PVHV: { |
| 635 | char *tmps; |
| 636 | SV *tmpstr; |
| 637 | |
| 638 | hash = (HV*)sv; |
| 748a9306 |
639 | magic = SvMAGICAL(hash) != 0; |
| a0d0e21e |
640 | hv_clear(hash); |
| 641 | |
| 642 | while (relem < lastrelem) { /* gobble up all the rest */ |
| 643 | STRLEN len; |
| 4633a7c4 |
644 | if (*relem) |
| a0d0e21e |
645 | sv = *(relem++); |
| 4633a7c4 |
646 | else |
| a0d0e21e |
647 | sv = &sv_no, relem++; |
| 648 | tmps = SvPV(sv, len); |
| 649 | tmpstr = NEWSV(29,0); |
| 650 | if (*relem) |
| 651 | sv_setsv(tmpstr,*relem); /* value */ |
| 652 | *(relem++) = tmpstr; |
| 653 | (void)hv_store(hash,tmps,len,tmpstr,0); |
| 654 | if (magic) |
| 655 | mg_set(tmpstr); |
| 4633a7c4 |
656 | tainted = 0; |
| 8e07c86e |
657 | } |
| a0d0e21e |
658 | } |
| 659 | break; |
| 660 | default: |
| 661 | if (SvTHINKFIRST(sv)) { |
| 662 | if (SvREADONLY(sv) && curcop != &compiling) { |
| 663 | if (sv != &sv_undef && sv != &sv_yes && sv != &sv_no) |
| 664 | DIE(no_modify); |
| 665 | if (relem <= lastrelem) |
| 666 | relem++; |
| 667 | break; |
| 668 | } |
| 669 | if (SvROK(sv)) |
| 670 | sv_unref(sv); |
| 671 | } |
| 672 | if (relem <= lastrelem) { |
| 673 | sv_setsv(sv, *relem); |
| 674 | *(relem++) = sv; |
| 675 | } |
| 676 | else |
| 677 | sv_setsv(sv, &sv_undef); |
| 678 | SvSETMAGIC(sv); |
| 679 | break; |
| 680 | } |
| 681 | } |
| 682 | if (delaymagic & ~DM_DELAY) { |
| 683 | if (delaymagic & DM_UID) { |
| 684 | #ifdef HAS_SETRESUID |
| 685 | (void)setresuid(uid,euid,(Uid_t)-1); |
| 56febc5e |
686 | #else |
| 687 | # ifdef HAS_SETREUID |
| a0d0e21e |
688 | (void)setreuid(uid,euid); |
| 56febc5e |
689 | # else |
| 690 | # ifdef HAS_SETRUID |
| a0d0e21e |
691 | if ((delaymagic & DM_UID) == DM_RUID) { |
| 692 | (void)setruid(uid); |
| 748a9306 |
693 | delaymagic &= ~DM_RUID; |
| a0d0e21e |
694 | } |
| 56febc5e |
695 | # endif /* HAS_SETRUID */ |
| 696 | # ifdef HAS_SETEUID |
| a0d0e21e |
697 | if ((delaymagic & DM_UID) == DM_EUID) { |
| 698 | (void)seteuid(uid); |
| 748a9306 |
699 | delaymagic &= ~DM_EUID; |
| a0d0e21e |
700 | } |
| 56febc5e |
701 | # endif /* HAS_SETEUID */ |
| a0d0e21e |
702 | if (delaymagic & DM_UID) { |
| 703 | if (uid != euid) |
| 704 | DIE("No setreuid available"); |
| 705 | (void)setuid(uid); |
| 706 | } |
| 56febc5e |
707 | # endif /* HAS_SETREUID */ |
| 708 | #endif /* HAS_SETRESUID */ |
| a0d0e21e |
709 | uid = (int)getuid(); |
| 710 | euid = (int)geteuid(); |
| 711 | } |
| 712 | if (delaymagic & DM_GID) { |
| 713 | #ifdef HAS_SETRESGID |
| 714 | (void)setresgid(gid,egid,(Gid_t)-1); |
| 56febc5e |
715 | #else |
| 716 | # ifdef HAS_SETREGID |
| a0d0e21e |
717 | (void)setregid(gid,egid); |
| 56febc5e |
718 | # else |
| 719 | # ifdef HAS_SETRGID |
| a0d0e21e |
720 | if ((delaymagic & DM_GID) == DM_RGID) { |
| 721 | (void)setrgid(gid); |
| 748a9306 |
722 | delaymagic &= ~DM_RGID; |
| a0d0e21e |
723 | } |
| 56febc5e |
724 | # endif /* HAS_SETRGID */ |
| 725 | # ifdef HAS_SETEGID |
| a0d0e21e |
726 | if ((delaymagic & DM_GID) == DM_EGID) { |
| 727 | (void)setegid(gid); |
| 748a9306 |
728 | delaymagic &= ~DM_EGID; |
| a0d0e21e |
729 | } |
| 56febc5e |
730 | # endif /* HAS_SETEGID */ |
| a0d0e21e |
731 | if (delaymagic & DM_GID) { |
| 732 | if (gid != egid) |
| 733 | DIE("No setregid available"); |
| 734 | (void)setgid(gid); |
| 735 | } |
| 56febc5e |
736 | # endif /* HAS_SETREGID */ |
| 737 | #endif /* HAS_SETRESGID */ |
| a0d0e21e |
738 | gid = (int)getgid(); |
| 739 | egid = (int)getegid(); |
| 740 | } |
| 4633a7c4 |
741 | tainting |= (uid && (euid != uid || egid != gid)); |
| a0d0e21e |
742 | } |
| 743 | delaymagic = 0; |
| 744 | if (GIMME == G_ARRAY) { |
| 745 | if (ary || hash) |
| 746 | SP = lastrelem; |
| 747 | else |
| 748 | SP = firstrelem + (lastlelem - firstlelem); |
| 749 | RETURN; |
| 750 | } |
| 751 | else { |
| 4633a7c4 |
752 | dTARGET; |
| a0d0e21e |
753 | SP = firstrelem; |
| a0d0e21e |
754 | |
| 4633a7c4 |
755 | SETi(lastrelem - firstrelem + 1); |
| 756 | RETURN; |
| a0d0e21e |
757 | } |
| 758 | } |
| 759 | |
| 760 | PP(pp_match) |
| 761 | { |
| 762 | dSP; dTARG; |
| 763 | register PMOP *pm = cPMOP; |
| 764 | register char *t; |
| 765 | register char *s; |
| 766 | char *strend; |
| 767 | I32 global; |
| 768 | I32 safebase; |
| 769 | char *truebase; |
| 770 | register REGEXP *rx = pm->op_pmregexp; |
| 771 | I32 gimme = GIMME; |
| 772 | STRLEN len; |
| 748a9306 |
773 | I32 minmatch = 0; |
| 4633a7c4 |
774 | I32 oldsave = savestack_ix; |
| a0d0e21e |
775 | |
| 776 | if (op->op_flags & OPf_STACKED) |
| 777 | TARG = POPs; |
| 778 | else { |
| 779 | TARG = GvSV(defgv); |
| 780 | EXTEND(SP,1); |
| 781 | } |
| 782 | s = SvPV(TARG, len); |
| 783 | strend = s + len; |
| 784 | if (!s) |
| 785 | DIE("panic: do_match"); |
| 786 | |
| 787 | if (pm->op_pmflags & PMf_USED) { |
| 788 | if (gimme == G_ARRAY) |
| 789 | RETURN; |
| 790 | RETPUSHNO; |
| 791 | } |
| 792 | |
| 793 | if (!rx->prelen && curpm) { |
| 794 | pm = curpm; |
| 795 | rx = pm->op_pmregexp; |
| 796 | } |
| 797 | truebase = t = s; |
| 798 | if (global = pm->op_pmflags & PMf_GLOBAL) { |
| 799 | rx->startp[0] = 0; |
| 800 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) { |
| 801 | MAGIC* mg = mg_find(TARG, 'g'); |
| 748a9306 |
802 | if (mg && mg->mg_len >= 0) { |
| a0d0e21e |
803 | rx->endp[0] = rx->startp[0] = s + mg->mg_len; |
| 748a9306 |
804 | minmatch = (mg->mg_flags & MGf_MINMATCH); |
| 805 | } |
| a0d0e21e |
806 | } |
| 807 | } |
| 748a9306 |
808 | if (!rx->nparens && !global) |
| 809 | gimme = G_SCALAR; /* accidental array context? */ |
| a0d0e21e |
810 | safebase = (gimme == G_ARRAY) || global; |
| 811 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
| 812 | SAVEINT(multiline); |
| 813 | multiline = pm->op_pmflags & PMf_MULTILINE; |
| 814 | } |
| 815 | |
| 816 | play_it_again: |
| 817 | if (global && rx->startp[0]) { |
| 818 | t = s = rx->endp[0]; |
| 819 | if (s > strend) |
| 820 | goto nope; |
| 748a9306 |
821 | minmatch = (s == rx->startp[0]); |
| a0d0e21e |
822 | } |
| 823 | if (pm->op_pmshort) { |
| 824 | if (pm->op_pmflags & PMf_SCANFIRST) { |
| 825 | if (SvSCREAM(TARG)) { |
| 826 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) |
| 827 | goto nope; |
| 828 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) |
| 829 | goto nope; |
| 830 | else if (pm->op_pmflags & PMf_ALL) |
| 831 | goto yup; |
| 832 | } |
| 833 | else if (!(s = fbm_instr((unsigned char*)s, |
| 834 | (unsigned char*)strend, pm->op_pmshort))) |
| 835 | goto nope; |
| 836 | else if (pm->op_pmflags & PMf_ALL) |
| 837 | goto yup; |
| 838 | if (s && rx->regback >= 0) { |
| 839 | ++BmUSEFUL(pm->op_pmshort); |
| 840 | s -= rx->regback; |
| 841 | if (s < t) |
| 842 | s = t; |
| 843 | } |
| 844 | else |
| 845 | s = t; |
| 846 | } |
| 847 | else if (!multiline) { |
| 848 | if (*SvPVX(pm->op_pmshort) != *s || |
| 849 | bcmp(SvPVX(pm->op_pmshort), s, pm->op_pmslen) ) { |
| 850 | if (pm->op_pmflags & PMf_FOLD) { |
| 851 | if (ibcmp((U8*)SvPVX(pm->op_pmshort), (U8*)s, pm->op_pmslen) ) |
| 852 | goto nope; |
| 853 | } |
| 854 | else |
| 855 | goto nope; |
| 856 | } |
| 857 | } |
| 858 | if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) { |
| 859 | SvREFCNT_dec(pm->op_pmshort); |
| 860 | pm->op_pmshort = Nullsv; /* opt is being useless */ |
| 861 | } |
| 862 | } |
| e50aee73 |
863 | if (pregexec(rx, s, strend, truebase, minmatch, |
| a0d0e21e |
864 | SvSCREAM(TARG) ? TARG : Nullsv, |
| 865 | safebase)) { |
| 866 | curpm = pm; |
| 867 | if (pm->op_pmflags & PMf_ONCE) |
| 868 | pm->op_pmflags |= PMf_USED; |
| 869 | goto gotcha; |
| 870 | } |
| 871 | else |
| 872 | goto ret_no; |
| 873 | /*NOTREACHED*/ |
| 874 | |
| 875 | gotcha: |
| 876 | if (gimme == G_ARRAY) { |
| 877 | I32 iters, i, len; |
| 878 | |
| 879 | iters = rx->nparens; |
| 880 | if (global && !iters) |
| 881 | i = 1; |
| 882 | else |
| 883 | i = 0; |
| 884 | EXTEND(SP, iters + i); |
| 885 | for (i = !i; i <= iters; i++) { |
| 886 | PUSHs(sv_newmortal()); |
| 887 | /*SUPPRESS 560*/ |
| 888 | if ((s = rx->startp[i]) && rx->endp[i] ) { |
| 889 | len = rx->endp[i] - s; |
| 890 | sv_setpvn(*SP, s, len); |
| 891 | } |
| 892 | } |
| 893 | if (global) { |
| 894 | truebase = rx->subbeg; |
| 895 | if (rx->startp[0] && rx->startp[0] == rx->endp[0]) |
| 896 | ++rx->endp[0]; |
| 897 | goto play_it_again; |
| 898 | } |
| 4633a7c4 |
899 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
900 | RETURN; |
| 901 | } |
| 902 | else { |
| 903 | if (global) { |
| 904 | MAGIC* mg = 0; |
| 905 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) |
| 906 | mg = mg_find(TARG, 'g'); |
| 907 | if (!mg) { |
| 908 | sv_magic(TARG, (SV*)0, 'g', Nullch, 0); |
| 909 | mg = mg_find(TARG, 'g'); |
| 910 | } |
| 748a9306 |
911 | if (rx->startp[0]) { |
| 912 | mg->mg_len = rx->endp[0] - truebase; |
| 913 | if (rx->startp[0] == rx->endp[0]) |
| 914 | mg->mg_flags |= MGf_MINMATCH; |
| 915 | else |
| 916 | mg->mg_flags &= ~MGf_MINMATCH; |
| 917 | } |
| 918 | else |
| 919 | mg->mg_len = -1; |
| a0d0e21e |
920 | } |
| 4633a7c4 |
921 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
922 | RETPUSHYES; |
| 923 | } |
| 924 | |
| 925 | yup: |
| 926 | ++BmUSEFUL(pm->op_pmshort); |
| 927 | curpm = pm; |
| 928 | if (pm->op_pmflags & PMf_ONCE) |
| 929 | pm->op_pmflags |= PMf_USED; |
| 930 | if (global) { |
| 931 | rx->subbeg = truebase; |
| 932 | rx->subend = strend; |
| 933 | rx->startp[0] = s; |
| 934 | rx->endp[0] = s + SvCUR(pm->op_pmshort); |
| 935 | goto gotcha; |
| 936 | } |
| 937 | if (sawampersand) { |
| 938 | char *tmps; |
| 939 | |
| 940 | if (rx->subbase) |
| 941 | Safefree(rx->subbase); |
| 942 | tmps = rx->subbase = savepvn(t, strend-t); |
| 943 | rx->subbeg = tmps; |
| 944 | rx->subend = tmps + (strend-t); |
| 945 | tmps = rx->startp[0] = tmps + (s - t); |
| 946 | rx->endp[0] = tmps + SvCUR(pm->op_pmshort); |
| 947 | } |
| 4633a7c4 |
948 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
949 | RETPUSHYES; |
| 950 | |
| 951 | nope: |
| 952 | if (pm->op_pmshort) |
| 953 | ++BmUSEFUL(pm->op_pmshort); |
| 954 | |
| 955 | ret_no: |
| 956 | if (global) { |
| 957 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) { |
| 958 | MAGIC* mg = mg_find(TARG, 'g'); |
| 959 | if (mg) |
| 960 | mg->mg_len = -1; |
| 961 | } |
| 962 | } |
| 4633a7c4 |
963 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
964 | if (gimme == G_ARRAY) |
| 965 | RETURN; |
| 966 | RETPUSHNO; |
| 967 | } |
| 968 | |
| 969 | OP * |
| 970 | do_readline() |
| 971 | { |
| 11343788 |
972 | dTHR; |
| a0d0e21e |
973 | dSP; dTARGETSTACKED; |
| 974 | register SV *sv; |
| 975 | STRLEN tmplen = 0; |
| 976 | STRLEN offset; |
| 977 | FILE *fp; |
| 978 | register IO *io = GvIO(last_in_gv); |
| 979 | register I32 type = op->op_type; |
| 980 | |
| 981 | fp = Nullfp; |
| 982 | if (io) { |
| 983 | fp = IoIFP(io); |
| 984 | if (!fp) { |
| 985 | if (IoFLAGS(io) & IOf_ARGV) { |
| 986 | if (IoFLAGS(io) & IOf_START) { |
| 987 | IoFLAGS(io) &= ~IOf_START; |
| 988 | IoLINES(io) = 0; |
| 989 | if (av_len(GvAVn(last_in_gv)) < 0) { |
| 990 | SV *tmpstr = newSVpv("-", 1); /* assume stdin */ |
| 991 | av_push(GvAVn(last_in_gv), tmpstr); |
| 992 | } |
| 993 | } |
| 994 | fp = nextargv(last_in_gv); |
| 995 | if (!fp) { /* Note: fp != IoIFP(io) */ |
| 996 | (void)do_close(last_in_gv, FALSE); /* now it does*/ |
| 997 | IoFLAGS(io) |= IOf_START; |
| 998 | } |
| 999 | } |
| 1000 | else if (type == OP_GLOB) { |
| 1001 | SV *tmpcmd = NEWSV(55, 0); |
| 1002 | SV *tmpglob = POPs; |
| 1003 | ENTER; |
| 1004 | SAVEFREESV(tmpcmd); |
| 1005 | #ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ |
| 1006 | /* since spawning off a process is a real performance hit */ |
| 1007 | { |
| 1008 | #include <descrip.h> |
| 1009 | #include <lib$routines.h> |
| 1010 | #include <nam.h> |
| 1011 | #include <rmsdef.h> |
| 1012 | char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'}; |
| 1013 | char vmsspec[NAM$C_MAXRSS+1]; |
| 1014 | char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp; |
| 1015 | char tmpfnam[L_tmpnam] = "SYS$SCRATCH:"; |
| 1016 | $DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;"); |
| 1017 | FILE *tmpfp; |
| 1018 | STRLEN i; |
| 1019 | struct dsc$descriptor_s wilddsc |
| 1020 | = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; |
| 1021 | struct dsc$descriptor_vs rsdsc |
| 1022 | = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt}; |
| 1023 | unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0; |
| 1024 | |
| 1025 | /* We could find out if there's an explicit dev/dir or version |
| 1026 | by peeking into lib$find_file's internal context at |
| 1027 | ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb |
| 1028 | but that's unsupported, so I don't want to do it now and |
| 1029 | have it bite someone in the future. */ |
| 1030 | strcat(tmpfnam,tmpnam(NULL)); |
| 1031 | cp = SvPV(tmpglob,i); |
| 1032 | for (; i; i--) { |
| 1033 | if (cp[i] == ';') hasver = 1; |
| 1034 | if (cp[i] == '.') { |
| 1035 | if (sts) hasver = 1; |
| 1036 | else sts = 1; |
| 1037 | } |
| 1038 | if (cp[i] == '/') { |
| 1039 | hasdir = isunix = 1; |
| 1040 | break; |
| 748a9306 |
1041 | } |
| a0d0e21e |
1042 | if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { |
| 1043 | hasdir = 1; |
| 1044 | break; |
| 1045 | } |
| 1046 | } |
| 1047 | if ((tmpfp = fopen(tmpfnam,"w+","fop=dlt")) != NULL) { |
| 1048 | ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL); |
| 1049 | if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer); |
| 1050 | while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt, |
| 1051 | &dfltdsc,NULL,NULL,NULL))&1)) { |
| 1052 | end = rstr + (unsigned long int) *rslt; |
| 1053 | if (!hasver) while (*end != ';') end--; |
| 1054 | *(end++) = '\n'; *end = '\0'; |
| 1055 | for (cp = rstr; *cp; cp++) *cp = _tolower(*cp); |
| 1056 | if (hasdir) { |
| 271c2963 |
1057 | if (isunix) trim_unixpath(rstr,SvPVX(tmpglob)); |
| a0d0e21e |
1058 | begin = rstr; |
| 1059 | } |
| 1060 | else { |
| 1061 | begin = end; |
| 1062 | while (*(--begin) != ']' && *begin != '>') ; |
| 1063 | ++begin; |
| 1064 | } |
| 1065 | ok = (fputs(begin,tmpfp) != EOF); |
| 1066 | } |
| 1067 | if (cxt) (void)lib$find_file_end(&cxt); |
| 748a9306 |
1068 | if (ok && sts != RMS$_NMF && |
| 1069 | sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; |
| a0d0e21e |
1070 | if (!ok) { |
| c07a80fd |
1071 | if (!(sts & 1)) { |
| 1072 | SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts); |
| 1073 | } |
| 1074 | fclose(tmpfp); |
| a0d0e21e |
1075 | fp = NULL; |
| 1076 | } |
| 1077 | else { |
| 1078 | rewind(tmpfp); |
| 1079 | IoTYPE(io) = '<'; |
| 1080 | IoIFP(io) = fp = tmpfp; |
| 1081 | } |
| 1082 | } |
| 1083 | } |
| 1084 | #else /* !VMS */ |
| 1085 | #ifdef DOSISH |
| 1086 | sv_setpv(tmpcmd, "perlglob "); |
| 1087 | sv_catsv(tmpcmd, tmpglob); |
| 1088 | sv_catpv(tmpcmd, " |"); |
| 1089 | #else |
| 1090 | #ifdef CSH |
| 1091 | sv_setpvn(tmpcmd, cshname, cshlen); |
| 1092 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); |
| 1093 | sv_catsv(tmpcmd, tmpglob); |
| 16d20bd9 |
1094 | sv_catpv(tmpcmd, "' 2>/dev/null |"); |
| a0d0e21e |
1095 | #else |
| 1096 | sv_setpv(tmpcmd, "echo "); |
| 1097 | sv_catsv(tmpcmd, tmpglob); |
| 1098 | #if 'z' - 'a' == 25 |
| 1099 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); |
| 1100 | #else |
| 1101 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); |
| 1102 | #endif |
| 1103 | #endif /* !CSH */ |
| 1104 | #endif /* !MSDOS */ |
| c07a80fd |
1105 | (void)do_open(last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd), |
| 1106 | FALSE, 0, 0, Nullfp); |
| a0d0e21e |
1107 | fp = IoIFP(io); |
| 1108 | #endif /* !VMS */ |
| 1109 | LEAVE; |
| 1110 | } |
| 1111 | } |
| 1112 | else if (type == OP_GLOB) |
| 1113 | SP--; |
| 1114 | } |
| 1115 | if (!fp) { |
| 4633a7c4 |
1116 | if (dowarn && io && !(IoFLAGS(io) & IOf_START)) |
| a0d0e21e |
1117 | warn("Read on closed filehandle <%s>", GvENAME(last_in_gv)); |
| 1118 | if (GIMME == G_SCALAR) { |
| 1119 | (void)SvOK_off(TARG); |
| 1120 | PUSHTARG; |
| 1121 | } |
| 1122 | RETURN; |
| 1123 | } |
| 1124 | if (GIMME == G_ARRAY) { |
| 1125 | sv = sv_2mortal(NEWSV(57, 80)); |
| 1126 | offset = 0; |
| 1127 | } |
| 1128 | else { |
| 1129 | sv = TARG; |
| 1130 | (void)SvUPGRADE(sv, SVt_PV); |
| 1131 | tmplen = SvLEN(sv); /* remember if already alloced */ |
| 1132 | if (!tmplen) |
| 1133 | Sv_Grow(sv, 80); /* try short-buffering it */ |
| 1134 | if (type == OP_RCATLINE) |
| 1135 | offset = SvCUR(sv); |
| 1136 | else |
| 1137 | offset = 0; |
| 1138 | } |
| 1139 | for (;;) { |
| 1140 | if (!sv_gets(sv, fp, offset)) { |
| 1141 | clearerr(fp); |
| 1142 | if (IoFLAGS(io) & IOf_ARGV) { |
| 1143 | fp = nextargv(last_in_gv); |
| 1144 | if (fp) |
| 1145 | continue; |
| 1146 | (void)do_close(last_in_gv, FALSE); |
| 1147 | IoFLAGS(io) |= IOf_START; |
| 1148 | } |
| 1149 | else if (type == OP_GLOB) { |
| 1150 | (void)do_close(last_in_gv, FALSE); |
| 1151 | } |
| 1152 | if (GIMME == G_SCALAR) { |
| 1153 | (void)SvOK_off(TARG); |
| 1154 | PUSHTARG; |
| 1155 | } |
| 1156 | RETURN; |
| 1157 | } |
| 1158 | IoLINES(io)++; |
| 1159 | XPUSHs(sv); |
| 1160 | if (tainting) { |
| 1161 | tainted = TRUE; |
| 1162 | SvTAINT(sv); /* Anything from the outside world...*/ |
| 1163 | } |
| 1164 | if (type == OP_GLOB) { |
| 1165 | char *tmps; |
| 1166 | |
| c07a80fd |
1167 | if (SvCUR(sv) > 0 && SvCUR(rs) > 0) { |
| 1168 | tmps = SvEND(sv) - 1; |
| 1169 | if (*tmps == *SvPVX(rs)) { |
| 1170 | *tmps = '\0'; |
| 1171 | SvCUR(sv)--; |
| 1172 | } |
| 1173 | } |
| a0d0e21e |
1174 | for (tmps = SvPVX(sv); *tmps; tmps++) |
| 1175 | if (!isALPHA(*tmps) && !isDIGIT(*tmps) && |
| 1176 | strchr("$&*(){}[]'\";\\|?<>~`", *tmps)) |
| 1177 | break; |
| 1178 | if (*tmps && Stat(SvPVX(sv), &statbuf) < 0) { |
| 1179 | (void)POPs; /* Unmatched wildcard? Chuck it... */ |
| 1180 | continue; |
| 1181 | } |
| 1182 | } |
| 1183 | if (GIMME == G_ARRAY) { |
| 1184 | if (SvLEN(sv) - SvCUR(sv) > 20) { |
| 1185 | SvLEN_set(sv, SvCUR(sv)+1); |
| 1186 | Renew(SvPVX(sv), SvLEN(sv), char); |
| 1187 | } |
| 1188 | sv = sv_2mortal(NEWSV(58, 80)); |
| 1189 | continue; |
| 1190 | } |
| 1191 | else if (!tmplen && SvLEN(sv) - SvCUR(sv) > 80) { |
| 1192 | /* try to reclaim a bit of scalar space (only on 1st alloc) */ |
| 1193 | if (SvCUR(sv) < 60) |
| 1194 | SvLEN_set(sv, 80); |
| 1195 | else |
| 1196 | SvLEN_set(sv, SvCUR(sv)+40); /* allow some slop */ |
| 1197 | Renew(SvPVX(sv), SvLEN(sv), char); |
| 1198 | } |
| 1199 | RETURN; |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | PP(pp_enter) |
| 1204 | { |
| 1205 | dSP; |
| 1206 | register CONTEXT *cx; |
| 1207 | I32 gimme; |
| 1208 | |
| 1209 | /* |
| 1210 | * We don't just use the GIMME macro here because it assumes there's |
| 1211 | * already a context, which ain't necessarily so at initial startup. |
| 1212 | */ |
| 1213 | |
| 1214 | if (op->op_flags & OPf_KNOW) |
| 1215 | gimme = op->op_flags & OPf_LIST; |
| 1216 | else if (cxstack_ix >= 0) |
| 1217 | gimme = cxstack[cxstack_ix].blk_gimme; |
| 1218 | else |
| 1219 | gimme = G_SCALAR; |
| 1220 | |
| 1221 | ENTER; |
| 1222 | |
| 1223 | SAVETMPS; |
| 1224 | PUSHBLOCK(cx, CXt_BLOCK, sp); |
| 1225 | |
| 1226 | RETURN; |
| 1227 | } |
| 1228 | |
| 1229 | PP(pp_helem) |
| 1230 | { |
| 1231 | dSP; |
| 1232 | SV** svp; |
| 1233 | SV *keysv = POPs; |
| 1234 | STRLEN keylen; |
| 1235 | char *key = SvPV(keysv, keylen); |
| 1236 | HV *hv = (HV*)POPs; |
| 1237 | I32 lval = op->op_flags & OPf_MOD; |
| 1238 | |
| 1239 | if (SvTYPE(hv) != SVt_PVHV) |
| 1240 | RETPUSHUNDEF; |
| 1241 | svp = hv_fetch(hv, key, keylen, lval); |
| 1242 | if (lval) { |
| 1243 | if (!svp || *svp == &sv_undef) |
| 1244 | DIE(no_helem, key); |
| 1245 | if (op->op_private & OPpLVAL_INTRO) |
| 1246 | save_svref(svp); |
| 02a9e968 |
1247 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
| 1248 | provide_ref(op, *svp); |
| a0d0e21e |
1249 | } |
| 1250 | PUSHs(svp ? *svp : &sv_undef); |
| 1251 | RETURN; |
| 1252 | } |
| 1253 | |
| 1254 | PP(pp_leave) |
| 1255 | { |
| 1256 | dSP; |
| 1257 | register CONTEXT *cx; |
| 1258 | register SV **mark; |
| 1259 | SV **newsp; |
| 1260 | PMOP *newpm; |
| 1261 | I32 gimme; |
| 1262 | |
| 1263 | if (op->op_flags & OPf_SPECIAL) { |
| 1264 | cx = &cxstack[cxstack_ix]; |
| 1265 | cx->blk_oldpm = curpm; /* fake block should preserve $1 et al */ |
| 1266 | } |
| 1267 | |
| 1268 | POPBLOCK(cx,newpm); |
| 1269 | |
| 1270 | if (op->op_flags & OPf_KNOW) |
| 1271 | gimme = op->op_flags & OPf_LIST; |
| 1272 | else if (cxstack_ix >= 0) |
| 1273 | gimme = cxstack[cxstack_ix].blk_gimme; |
| 1274 | else |
| 1275 | gimme = G_SCALAR; |
| 1276 | |
| 1277 | if (gimme == G_SCALAR) { |
| 1278 | if (op->op_private & OPpLEAVE_VOID) |
| 1279 | SP = newsp; |
| 1280 | else { |
| 1281 | MARK = newsp + 1; |
| 1282 | if (MARK <= SP) |
| 1283 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) |
| 1284 | *MARK = TOPs; |
| 1285 | else |
| 1286 | *MARK = sv_mortalcopy(TOPs); |
| 1287 | else { |
| 1288 | MEXTEND(mark,0); |
| 1289 | *MARK = &sv_undef; |
| 1290 | } |
| 1291 | SP = MARK; |
| 1292 | } |
| 1293 | } |
| 1294 | else { |
| 1295 | for (mark = newsp + 1; mark <= SP; mark++) |
| 1296 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) |
| 1297 | *mark = sv_mortalcopy(*mark); |
| 1298 | /* in case LEAVE wipes old return values */ |
| 1299 | } |
| 1300 | curpm = newpm; /* Don't pop $1 et al till now */ |
| 1301 | |
| 1302 | LEAVE; |
| 1303 | |
| 1304 | RETURN; |
| 1305 | } |
| 1306 | |
| 1307 | PP(pp_iter) |
| 1308 | { |
| 1309 | dSP; |
| 1310 | register CONTEXT *cx; |
| 1311 | SV *sv; |
| 4633a7c4 |
1312 | AV* av; |
| a0d0e21e |
1313 | |
| 1314 | EXTEND(sp, 1); |
| 1315 | cx = &cxstack[cxstack_ix]; |
| 1316 | if (cx->cx_type != CXt_LOOP) |
| 1317 | DIE("panic: pp_iter"); |
| 4633a7c4 |
1318 | av = cx->blk_loop.iterary; |
| 1319 | if (av == stack && cx->blk_loop.iterix >= cx->blk_oldsp) |
| 1320 | RETPUSHNO; |
| a0d0e21e |
1321 | |
| 4633a7c4 |
1322 | if (cx->blk_loop.iterix >= AvFILL(av)) |
| a0d0e21e |
1323 | RETPUSHNO; |
| 1324 | |
| 4633a7c4 |
1325 | if (sv = AvARRAY(av)[++cx->blk_loop.iterix]) { |
| a0d0e21e |
1326 | SvTEMP_off(sv); |
| 1327 | *cx->blk_loop.itervar = sv; |
| 1328 | } |
| 1329 | else |
| 1330 | *cx->blk_loop.itervar = &sv_undef; |
| 1331 | |
| 1332 | RETPUSHYES; |
| 1333 | } |
| 1334 | |
| 1335 | PP(pp_subst) |
| 1336 | { |
| 1337 | dSP; dTARG; |
| 1338 | register PMOP *pm = cPMOP; |
| 1339 | PMOP *rpm = pm; |
| 1340 | register SV *dstr; |
| 1341 | register char *s; |
| 1342 | char *strend; |
| 1343 | register char *m; |
| 1344 | char *c; |
| 1345 | register char *d; |
| 1346 | STRLEN clen; |
| 1347 | I32 iters = 0; |
| 1348 | I32 maxiters; |
| 1349 | register I32 i; |
| 1350 | bool once; |
| 1351 | char *orig; |
| 1352 | I32 safebase; |
| 1353 | register REGEXP *rx = pm->op_pmregexp; |
| 1354 | STRLEN len; |
| 1355 | int force_on_match = 0; |
| 4633a7c4 |
1356 | I32 oldsave = savestack_ix; |
| a0d0e21e |
1357 | |
| 1358 | if (pm->op_pmflags & PMf_CONST) /* known replacement string? */ |
| 1359 | dstr = POPs; |
| 1360 | if (op->op_flags & OPf_STACKED) |
| 1361 | TARG = POPs; |
| 1362 | else { |
| 1363 | TARG = GvSV(defgv); |
| 1364 | EXTEND(SP,1); |
| 1365 | } |
| 1366 | s = SvPV(TARG, len); |
| 8e07c86e |
1367 | if (!SvPOKp(TARG) || SvREADONLY(TARG) || (SvTYPE(TARG) == SVt_PVGV)) |
| a0d0e21e |
1368 | force_on_match = 1; |
| 1369 | |
| 1370 | force_it: |
| 1371 | if (!pm || !s) |
| 1372 | DIE("panic: do_subst"); |
| 1373 | |
| 1374 | strend = s + len; |
| 1375 | maxiters = (strend - s) + 10; |
| 1376 | |
| 1377 | if (!rx->prelen && curpm) { |
| 1378 | pm = curpm; |
| 1379 | rx = pm->op_pmregexp; |
| 1380 | } |
| 1381 | safebase = ((!rx || !rx->nparens) && !sawampersand); |
| 1382 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
| 1383 | SAVEINT(multiline); |
| 1384 | multiline = pm->op_pmflags & PMf_MULTILINE; |
| 1385 | } |
| 1386 | orig = m = s; |
| 1387 | if (pm->op_pmshort) { |
| 1388 | if (pm->op_pmflags & PMf_SCANFIRST) { |
| 1389 | if (SvSCREAM(TARG)) { |
| 1390 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) |
| 1391 | goto nope; |
| 1392 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) |
| 1393 | goto nope; |
| 1394 | } |
| 1395 | else if (!(s = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
| 1396 | pm->op_pmshort))) |
| 1397 | goto nope; |
| 1398 | if (s && rx->regback >= 0) { |
| 1399 | ++BmUSEFUL(pm->op_pmshort); |
| 1400 | s -= rx->regback; |
| 1401 | if (s < m) |
| 1402 | s = m; |
| 1403 | } |
| 1404 | else |
| 1405 | s = m; |
| 1406 | } |
| 1407 | else if (!multiline) { |
| 1408 | if (*SvPVX(pm->op_pmshort) != *s || |
| 1409 | bcmp(SvPVX(pm->op_pmshort), s, pm->op_pmslen) ) { |
| 1410 | if (pm->op_pmflags & PMf_FOLD) { |
| 1411 | if (ibcmp((U8*)SvPVX(pm->op_pmshort), (U8*)s, pm->op_pmslen) ) |
| 1412 | goto nope; |
| 1413 | } |
| 1414 | else |
| 1415 | goto nope; |
| 1416 | } |
| 1417 | } |
| 1418 | if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) { |
| 1419 | SvREFCNT_dec(pm->op_pmshort); |
| 1420 | pm->op_pmshort = Nullsv; /* opt is being useless */ |
| 1421 | } |
| 1422 | } |
| 1423 | once = !(rpm->op_pmflags & PMf_GLOBAL); |
| 1424 | if (rpm->op_pmflags & PMf_CONST) { /* known replacement string? */ |
| 1425 | c = SvPV(dstr, clen); |
| 1426 | if (clen <= rx->minlen) { |
| 1427 | /* can do inplace substitution */ |
| e50aee73 |
1428 | if (pregexec(rx, s, strend, orig, 0, |
| a0d0e21e |
1429 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { |
| 1430 | if (force_on_match) { |
| 1431 | force_on_match = 0; |
| 1432 | s = SvPV_force(TARG, len); |
| 1433 | goto force_it; |
| 1434 | } |
| 1435 | if (rx->subbase) /* oops, no we can't */ |
| 1436 | goto long_way; |
| 1437 | d = s; |
| 1438 | curpm = pm; |
| 1439 | SvSCREAM_off(TARG); /* disable possible screamer */ |
| 1440 | if (once) { |
| 1441 | m = rx->startp[0]; |
| 1442 | d = rx->endp[0]; |
| 1443 | s = orig; |
| 1444 | if (m - s > strend - d) { /* faster to shorten from end */ |
| 1445 | if (clen) { |
| 1446 | Copy(c, m, clen, char); |
| 1447 | m += clen; |
| 1448 | } |
| 1449 | i = strend - d; |
| 1450 | if (i > 0) { |
| 1451 | Move(d, m, i, char); |
| 1452 | m += i; |
| 1453 | } |
| 1454 | *m = '\0'; |
| 1455 | SvCUR_set(TARG, m - s); |
| 1456 | (void)SvPOK_only(TARG); |
| 1457 | SvSETMAGIC(TARG); |
| 1458 | PUSHs(&sv_yes); |
| 4633a7c4 |
1459 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1460 | RETURN; |
| 1461 | } |
| 1462 | /*SUPPRESS 560*/ |
| 1463 | else if (i = m - s) { /* faster from front */ |
| 1464 | d -= clen; |
| 1465 | m = d; |
| 1466 | sv_chop(TARG, d-i); |
| 1467 | s += i; |
| 1468 | while (i--) |
| 1469 | *--d = *--s; |
| 1470 | if (clen) |
| 1471 | Copy(c, m, clen, char); |
| 1472 | (void)SvPOK_only(TARG); |
| 1473 | SvSETMAGIC(TARG); |
| 1474 | PUSHs(&sv_yes); |
| 4633a7c4 |
1475 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1476 | RETURN; |
| 1477 | } |
| 1478 | else if (clen) { |
| 1479 | d -= clen; |
| 1480 | sv_chop(TARG, d); |
| 1481 | Copy(c, d, clen, char); |
| 1482 | (void)SvPOK_only(TARG); |
| 1483 | SvSETMAGIC(TARG); |
| 1484 | PUSHs(&sv_yes); |
| 4633a7c4 |
1485 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1486 | RETURN; |
| 1487 | } |
| 1488 | else { |
| 1489 | sv_chop(TARG, d); |
| 1490 | (void)SvPOK_only(TARG); |
| 1491 | SvSETMAGIC(TARG); |
| 1492 | PUSHs(&sv_yes); |
| 4633a7c4 |
1493 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1494 | RETURN; |
| 1495 | } |
| 1496 | /* NOTREACHED */ |
| 1497 | } |
| 1498 | do { |
| 1499 | if (iters++ > maxiters) |
| 1500 | DIE("Substitution loop"); |
| 1501 | m = rx->startp[0]; |
| 1502 | /*SUPPRESS 560*/ |
| 1503 | if (i = m - s) { |
| 1504 | if (s != d) |
| 1505 | Move(s, d, i, char); |
| 1506 | d += i; |
| 1507 | } |
| 1508 | if (clen) { |
| 1509 | Copy(c, d, clen, char); |
| 1510 | d += clen; |
| 1511 | } |
| 1512 | s = rx->endp[0]; |
| e50aee73 |
1513 | } while (pregexec(rx, s, strend, orig, s == m, |
| a0d0e21e |
1514 | Nullsv, TRUE)); /* (don't match same null twice) */ |
| 1515 | if (s != d) { |
| 1516 | i = strend - s; |
| 1517 | SvCUR_set(TARG, d - SvPVX(TARG) + i); |
| 1518 | Move(s, d, i+1, char); /* include the Null */ |
| 1519 | } |
| 1520 | (void)SvPOK_only(TARG); |
| 1521 | SvSETMAGIC(TARG); |
| 1522 | PUSHs(sv_2mortal(newSViv((I32)iters))); |
| 4633a7c4 |
1523 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1524 | RETURN; |
| 1525 | } |
| 1526 | PUSHs(&sv_no); |
| 4633a7c4 |
1527 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1528 | RETURN; |
| 1529 | } |
| 1530 | } |
| 1531 | else |
| 1532 | c = Nullch; |
| e50aee73 |
1533 | if (pregexec(rx, s, strend, orig, 0, |
| a0d0e21e |
1534 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { |
| 1535 | long_way: |
| 1536 | if (force_on_match) { |
| 1537 | force_on_match = 0; |
| 1538 | s = SvPV_force(TARG, len); |
| 1539 | goto force_it; |
| 1540 | } |
| 1541 | dstr = NEWSV(25, sv_len(TARG)); |
| 1542 | sv_setpvn(dstr, m, s-m); |
| 1543 | curpm = pm; |
| 1544 | if (!c) { |
| 1545 | register CONTEXT *cx; |
| 1546 | PUSHSUBST(cx); |
| 1547 | RETURNOP(cPMOP->op_pmreplroot); |
| 1548 | } |
| 1549 | do { |
| 1550 | if (iters++ > maxiters) |
| 1551 | DIE("Substitution loop"); |
| 1552 | if (rx->subbase && rx->subbase != orig) { |
| 1553 | m = s; |
| 1554 | s = orig; |
| 1555 | orig = rx->subbase; |
| 1556 | s = orig + (m - s); |
| 1557 | strend = s + (strend - m); |
| 1558 | } |
| 1559 | m = rx->startp[0]; |
| 1560 | sv_catpvn(dstr, s, m-s); |
| 1561 | s = rx->endp[0]; |
| 1562 | if (clen) |
| 1563 | sv_catpvn(dstr, c, clen); |
| 1564 | if (once) |
| 1565 | break; |
| e50aee73 |
1566 | } while (pregexec(rx, s, strend, orig, s == m, Nullsv, |
| a0d0e21e |
1567 | safebase)); |
| 1568 | sv_catpvn(dstr, s, strend - s); |
| 748a9306 |
1569 | |
| 4633a7c4 |
1570 | (void)SvOOK_off(TARG); |
| cb0b1708 |
1571 | Safefree(SvPVX(TARG)); |
| 748a9306 |
1572 | SvPVX(TARG) = SvPVX(dstr); |
| 1573 | SvCUR_set(TARG, SvCUR(dstr)); |
| 1574 | SvLEN_set(TARG, SvLEN(dstr)); |
| 1575 | SvPVX(dstr) = 0; |
| 1576 | sv_free(dstr); |
| 1577 | |
| a0d0e21e |
1578 | (void)SvPOK_only(TARG); |
| 1579 | SvSETMAGIC(TARG); |
| 1580 | PUSHs(sv_2mortal(newSViv((I32)iters))); |
| 4633a7c4 |
1581 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1582 | RETURN; |
| 1583 | } |
| 1584 | PUSHs(&sv_no); |
| 4633a7c4 |
1585 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1586 | RETURN; |
| 1587 | |
| 1588 | nope: |
| 1589 | ++BmUSEFUL(pm->op_pmshort); |
| 1590 | PUSHs(&sv_no); |
| 4633a7c4 |
1591 | LEAVE_SCOPE(oldsave); |
| a0d0e21e |
1592 | RETURN; |
| 1593 | } |
| 1594 | |
| 1595 | PP(pp_grepwhile) |
| 1596 | { |
| 1597 | dSP; |
| 1598 | |
| 1599 | if (SvTRUEx(POPs)) |
| 1600 | stack_base[markstack_ptr[-1]++] = stack_base[*markstack_ptr]; |
| 1601 | ++*markstack_ptr; |
| 1602 | LEAVE; /* exit inner scope */ |
| 1603 | |
| 1604 | /* All done yet? */ |
| 1605 | if (stack_base + *markstack_ptr > sp) { |
| 1606 | I32 items; |
| 1607 | |
| 1608 | LEAVE; /* exit outer scope */ |
| 1609 | (void)POPMARK; /* pop src */ |
| 1610 | items = --*markstack_ptr - markstack_ptr[-1]; |
| 1611 | (void)POPMARK; /* pop dst */ |
| 1612 | SP = stack_base + POPMARK; /* pop original mark */ |
| 1613 | if (GIMME != G_ARRAY) { |
| 1614 | dTARGET; |
| 1615 | XPUSHi(items); |
| 1616 | RETURN; |
| 1617 | } |
| 1618 | SP += items; |
| 1619 | RETURN; |
| 1620 | } |
| 1621 | else { |
| 1622 | SV *src; |
| 1623 | |
| 1624 | ENTER; /* enter inner scope */ |
| 1625 | SAVESPTR(curpm); |
| 1626 | |
| 1627 | src = stack_base[*markstack_ptr]; |
| 1628 | SvTEMP_off(src); |
| 1629 | GvSV(defgv) = src; |
| 1630 | |
| 1631 | RETURNOP(cLOGOP->op_other); |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | PP(pp_leavesub) |
| 1636 | { |
| 1637 | dSP; |
| 1638 | SV **mark; |
| 1639 | SV **newsp; |
| 1640 | PMOP *newpm; |
| 1641 | I32 gimme; |
| 1642 | register CONTEXT *cx; |
| 1643 | |
| 1644 | POPBLOCK(cx,newpm); |
| 1645 | POPSUB(cx); |
| 1646 | |
| 1647 | if (gimme == G_SCALAR) { |
| 1648 | MARK = newsp + 1; |
| 1649 | if (MARK <= SP) |
| 1650 | if (SvFLAGS(TOPs) & SVs_TEMP) |
| 1651 | *MARK = TOPs; |
| 1652 | else |
| 1653 | *MARK = sv_mortalcopy(TOPs); |
| 1654 | else { |
| 1655 | MEXTEND(mark,0); |
| 1656 | *MARK = &sv_undef; |
| 1657 | } |
| 1658 | SP = MARK; |
| 1659 | } |
| 1660 | else { |
| 1661 | for (mark = newsp + 1; mark <= SP; mark++) |
| 1662 | if (!(SvFLAGS(*mark) & SVs_TEMP)) |
| 1663 | *mark = sv_mortalcopy(*mark); |
| 1664 | /* in case LEAVE wipes old return values */ |
| 1665 | } |
| 1666 | |
| 1667 | if (cx->blk_sub.hasargs) { /* You don't exist; go away. */ |
| 1668 | AV* av = cx->blk_sub.argarray; |
| 1669 | |
| 1670 | av_clear(av); |
| 1671 | AvREAL_off(av); |
| 1672 | } |
| 1673 | curpm = newpm; /* Don't pop $1 et al till now */ |
| 1674 | |
| 1675 | LEAVE; |
| 1676 | PUTBACK; |
| 1677 | return pop_return(); |
| 1678 | } |
| 1679 | |
| 1680 | PP(pp_entersub) |
| 1681 | { |
| 1682 | dSP; dPOPss; |
| 1683 | GV *gv; |
| 1684 | HV *stash; |
| 1685 | register CV *cv; |
| 1686 | register CONTEXT *cx; |
| 5d94fbed |
1687 | I32 gimme; |
| a0d0e21e |
1688 | |
| 1689 | if (!sv) |
| 1690 | DIE("Not a CODE reference"); |
| 1691 | switch (SvTYPE(sv)) { |
| 1692 | default: |
| 1693 | if (!SvROK(sv)) { |
| 748a9306 |
1694 | char *sym; |
| 1695 | |
| a0d0e21e |
1696 | if (sv == &sv_yes) /* unfound import, ignore */ |
| 1697 | RETURN; |
| 1698 | if (!SvOK(sv)) |
| 1699 | DIE(no_usym, "a subroutine"); |
| 748a9306 |
1700 | sym = SvPV(sv,na); |
| a0d0e21e |
1701 | if (op->op_private & HINT_STRICT_REFS) |
| 748a9306 |
1702 | DIE(no_symref, sym, "a subroutine"); |
| 1703 | cv = perl_get_cv(sym, TRUE); |
| a0d0e21e |
1704 | break; |
| 1705 | } |
| 1706 | cv = (CV*)SvRV(sv); |
| 1707 | if (SvTYPE(cv) == SVt_PVCV) |
| 1708 | break; |
| 1709 | /* FALL THROUGH */ |
| 1710 | case SVt_PVHV: |
| 1711 | case SVt_PVAV: |
| 1712 | DIE("Not a CODE reference"); |
| 1713 | case SVt_PVCV: |
| 1714 | cv = (CV*)sv; |
| 1715 | break; |
| 1716 | case SVt_PVGV: |
| 1717 | if (!(cv = GvCV((GV*)sv))) |
| 1718 | cv = sv_2cv(sv, &stash, &gv, TRUE); |
| 1719 | break; |
| 1720 | } |
| 1721 | |
| 1722 | ENTER; |
| 1723 | SAVETMPS; |
| 1724 | |
| 1725 | retry: |
| 1726 | if (!cv) |
| 1727 | DIE("Not a CODE reference"); |
| 1728 | |
| 1729 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
| 1730 | if (gv = CvGV(cv)) { |
| 4633a7c4 |
1731 | SV *tmpstr; |
| a0d0e21e |
1732 | GV *ngv; |
| 4633a7c4 |
1733 | if (SvFAKE(cv) && GvCV(gv) != cv) { /* autoloaded stub? */ |
| 1734 | cv = GvCV(gv); |
| 1735 | if (SvTYPE(sv) == SVt_PVGV) { |
| 1736 | SvREFCNT_dec(GvCV((GV*)sv)); |
| 1737 | GvCV((GV*)sv) = (CV*)SvREFCNT_inc((SV*)cv); |
| 1738 | } |
| 1739 | goto retry; |
| 1740 | } |
| 1741 | tmpstr = sv_newmortal(); |
| a0d0e21e |
1742 | gv_efullname(tmpstr, gv); |
| 1743 | ngv = gv_fetchmethod(GvESTASH(gv), "AUTOLOAD"); |
| 1744 | if (ngv && ngv != gv && (cv = GvCV(ngv))) { /* One more chance... */ |
| 1745 | gv = ngv; |
| 1746 | sv_setsv(GvSV(CvGV(cv)), tmpstr); /* Set CV's $AUTOLOAD */ |
| c07a80fd |
1747 | if (tainting) |
| 1748 | sv_unmagic(GvSV(CvGV(cv)), 't'); |
| a0d0e21e |
1749 | goto retry; |
| 1750 | } |
| 1751 | else |
| 1752 | DIE("Undefined subroutine &%s called",SvPVX(tmpstr)); |
| 1753 | } |
| 1754 | DIE("Undefined subroutine called"); |
| 1755 | } |
| 1756 | |
| 4633a7c4 |
1757 | gimme = GIMME; |
| c07a80fd |
1758 | if ((op->op_private & OPpENTERSUB_DB) && !CvXSUB(cv)) { |
| a0d0e21e |
1759 | sv = GvSV(DBsub); |
| 1760 | save_item(sv); |
| a5f75d66 |
1761 | if (CvFLAGS(cv) & (CVf_ANON | CVf_CLONED)) { |
| 1762 | /* GV is potentially non-unique */ |
| 748a9306 |
1763 | sv_setsv(sv, newRV((SV*)cv)); |
| a5f75d66 |
1764 | } |
| 748a9306 |
1765 | else { |
| 1766 | gv = CvGV(cv); |
| 1767 | gv_efullname(sv,gv); |
| 1768 | } |
| a0d0e21e |
1769 | cv = GvCV(DBsub); |
| 1770 | if (!cv) |
| 1771 | DIE("No DBsub routine"); |
| 1772 | } |
| 1773 | |
| 11343788 |
1774 | #ifdef USE_THREADS |
| 1775 | MUTEX_LOCK(CvMUTEXP(cv)); |
| 1776 | if (!CvCONDP(cv)) { |
| 1777 | #ifdef DEBUGGING |
| 1778 | DEBUG_L((fprintf(stderr, "0x%lx entering fast %s\n", |
| 1779 | (unsigned long)thr, SvPEEK((SV*)cv)))); |
| 1780 | #endif /* DEBUGGING */ |
| 1781 | MUTEX_UNLOCK(CvMUTEXP(cv)); /* fast sub wants neither sync nor clone */ |
| 1782 | } |
| 1783 | else if (SvFLAGS(cv) & SVpcv_SYNC) { |
| 1784 | /* |
| 1785 | * It's a synchronised CV. Wait until it's free unless |
| 1786 | * we own it already (in which case we're recursing). |
| 1787 | */ |
| 1788 | if (CvOWNER(cv) && CvOWNER(cv) != thr) { |
| 1789 | do { |
| 1790 | DEBUG_L((fprintf(stderr, "0x%lx wait for 0x%lx to leave %s\n", |
| 1791 | (unsigned long)thr,(unsigned long)CvOWNER(cv), |
| 1792 | SvPEEK((SV*)cv)))); |
| 1793 | COND_WAIT(CvCONDP(cv), CvMUTEXP(cv)); /* yawn */ |
| 1794 | } while (CvOWNER(cv)); |
| 1795 | } |
| 1796 | CvOWNER(cv) = thr; /* Assert ownership */ |
| 1797 | SvREFCNT_inc(cv); |
| 1798 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 1799 | if (CvDEPTH(cv) == 0) |
| 1800 | SAVEDESTRUCTOR(unset_cvowner, (void*) cv); |
| 1801 | } |
| 1802 | else { |
| 1803 | /* |
| 1804 | * It's an ordinary unsynchronised CV so we must distinguish |
| 1805 | * three cases. (1) It's ours already (and we're recursing); |
| 1806 | * (2) it's free (but we may already be using a cached clone); |
| 1807 | * (3) another thread owns it. Case (1) is easy: we just use it. |
| 1808 | * Case (2) means we look for a clone--if we have one, use it |
| 1809 | * otherwise grab ownership of cv. Case (3) means look we for a |
| 1810 | * clone and have to create one if we don't already have one. |
| 1811 | * Why look for a clone in case (2) when we could just grab |
| 1812 | * ownership of cv straight away? Well, we could be recursing, |
| 1813 | * i.e. we originally tried to enter cv while another thread |
| 1814 | * owned it (hence we used a clone) but it has been freed up |
| 1815 | * and we're now recursing into it. It may or may not be "better" |
| 1816 | * to use the clone but at least CvDEPTH can be trusted. |
| 1817 | */ |
| 1818 | if (CvOWNER(cv) == thr) |
| 1819 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 1820 | else { |
| 1821 | /* Case (2) or (3) */ |
| 1822 | SV **svp; |
| 1823 | |
| 1824 | /* |
| 1825 | * XXX Might it be better to release CvMUTEXP(cv) while we |
| 1826 | * do the hv_fetch? We might find someone has pinched it |
| 1827 | * when we look again, in which case we would be in case |
| 1828 | * (3) instead of (2) so we'd have to clone. Would the fact |
| 1829 | * that we released the mutex more quickly make up for this? |
| 1830 | */ |
| 1831 | svp = hv_fetch(cvcache, (char *)cv, sizeof(cv), FALSE); |
| 1832 | if (svp) { |
| 1833 | /* We already have a clone to use */ |
| 1834 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 1835 | cv = *(CV**)svp; |
| 1836 | DEBUG_L(fprintf(stderr, |
| 1837 | "entersub: 0x%lx already has clone 0x%lx:%s\n", |
| 1838 | (unsigned long) thr, (unsigned long) cv, |
| 1839 | SvPEEK((SV*)cv))); |
| 1840 | CvOWNER(cv) = thr; |
| 1841 | SvREFCNT_inc(cv); |
| 1842 | if (CvDEPTH(cv) == 0) |
| 1843 | SAVEDESTRUCTOR(unset_cvowner, (void*) cv); |
| 1844 | } |
| 1845 | else { |
| 1846 | /* (2) => grab ownership of cv. (3) => make clone */ |
| 1847 | if (!CvOWNER(cv)) { |
| 1848 | CvOWNER(cv) = thr; |
| 1849 | SvREFCNT_inc(cv); |
| 1850 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 1851 | DEBUG_L(fprintf(stderr, |
| 1852 | "entersub: 0x%lx grabbing 0x%lx:%s\n", |
| 1853 | (unsigned long) thr, (unsigned long) cv, |
| 1854 | SvPEEK((SV*)cv))); |
| 1855 | } else { |
| 1856 | /* Make a new clone. */ |
| 1857 | CV *clonecv; |
| 1858 | SvREFCNT_inc(cv); /* don't let it vanish from under us */ |
| 1859 | MUTEX_UNLOCK(CvMUTEXP(cv)); |
| 1860 | DEBUG_L((fprintf(stderr, |
| 1861 | "entersub: 0x%lx cloning 0x%lx:%s\n", |
| 1862 | (unsigned long) thr, (unsigned long) cv, |
| 1863 | SvPEEK((SV*)cv)))); |
| 1864 | /* |
| 1865 | * We're creating a new clone so there's no race |
| 1866 | * between the original MUTEX_UNLOCK and the |
| 1867 | * SvREFCNT_inc since no one will be trying to undef |
| 1868 | * it out from underneath us. At least, I don't think |
| 1869 | * there's a race... |
| 1870 | */ |
| 1871 | clonecv = cv_clone(cv); |
| 1872 | SvREFCNT_dec(cv); /* finished with this */ |
| 1873 | hv_store(cvcache, (char*)cv, sizeof(cv), (SV*)clonecv,0); |
| 1874 | CvOWNER(clonecv) = thr; |
| 1875 | cv = clonecv; |
| 1876 | SvREFCNT_inc(cv); |
| 1877 | } |
| 1878 | assert(CvDEPTH(cv) == 0); |
| 1879 | SAVEDESTRUCTOR(unset_cvowner, (void*) cv); |
| 1880 | } |
| 1881 | } |
| 1882 | } |
| 1883 | #endif /* USE_THREADS */ |
| 1884 | |
| 1885 | gimme = GIMME; |
| 1886 | |
| a0d0e21e |
1887 | if (CvXSUB(cv)) { |
| 1888 | if (CvOLDSTYLE(cv)) { |
| ecfc5424 |
1889 | I32 (*fp3)_((int,int,int)); |
| a0d0e21e |
1890 | dMARK; |
| 1891 | register I32 items = SP - MARK; |
| 1892 | while (sp > mark) { |
| 1893 | sp[1] = sp[0]; |
| 1894 | sp--; |
| 1895 | } |
| 1896 | stack_sp = mark + 1; |
| ecfc5424 |
1897 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
| 1898 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
| 1899 | MARK - stack_base + 1, |
| 1900 | items); |
| a0d0e21e |
1901 | stack_sp = stack_base + items; |
| 1902 | } |
| 1903 | else { |
| 748a9306 |
1904 | I32 markix = TOPMARK; |
| 1905 | |
| a0d0e21e |
1906 | PUTBACK; |
| 1907 | (void)(*CvXSUB(cv))(cv); |
| 748a9306 |
1908 | |
| 1909 | /* Enforce some sanity in scalar context. */ |
| 5d94fbed |
1910 | if (gimme == G_SCALAR && ++markix != stack_sp - stack_base ) { |
| 748a9306 |
1911 | if (markix > stack_sp - stack_base) |
| 1912 | *(stack_base + markix) = &sv_undef; |
| 1913 | else |
| 1914 | *(stack_base + markix) = *stack_sp; |
| 1915 | stack_sp = stack_base + markix; |
| 1916 | } |
| a0d0e21e |
1917 | } |
| 1918 | LEAVE; |
| 1919 | return NORMAL; |
| 1920 | } |
| 1921 | else { |
| 1922 | dMARK; |
| 1923 | register I32 items = SP - MARK; |
| 1924 | I32 hasargs = (op->op_flags & OPf_STACKED) != 0; |
| a0d0e21e |
1925 | AV* padlist = CvPADLIST(cv); |
| 1926 | SV** svp = AvARRAY(padlist); |
| 1927 | push_return(op->op_next); |
| 1928 | PUSHBLOCK(cx, CXt_SUB, MARK); |
| 1929 | PUSHSUB(cx); |
| 1930 | CvDEPTH(cv)++; |
| 1931 | if (CvDEPTH(cv) < 2) |
| 1932 | (void)SvREFCNT_inc(cv); |
| 1933 | else { /* save temporaries on recursion? */ |
| 1934 | if (CvDEPTH(cv) == 100 && dowarn) |
| 1935 | warn("Deep recursion on subroutine \"%s\"",GvENAME(CvGV(cv))); |
| 1936 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
| 1937 | AV *av; |
| 1938 | AV *newpad = newAV(); |
| 4aa0a1f7 |
1939 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
| a0d0e21e |
1940 | I32 ix = AvFILL((AV*)svp[1]); |
| 1941 | svp = AvARRAY(svp[0]); |
| 748a9306 |
1942 | for ( ;ix > 0; ix--) { |
| a0d0e21e |
1943 | if (svp[ix] != &sv_undef) { |
| 748a9306 |
1944 | char *name = SvPVX(svp[ix]); |
| 1945 | if (SvFLAGS(svp[ix]) & SVf_FAKE) { /* outer lexical? */ |
| 1946 | av_store(newpad, ix, |
| 4aa0a1f7 |
1947 | SvREFCNT_inc(oldpad[ix]) ); |
| 748a9306 |
1948 | } |
| 1949 | else { /* our own lexical */ |
| 1950 | if (*name == '@') |
| 1951 | av_store(newpad, ix, sv = (SV*)newAV()); |
| 1952 | else if (*name == '%') |
| 1953 | av_store(newpad, ix, sv = (SV*)newHV()); |
| 1954 | else |
| 1955 | av_store(newpad, ix, sv = NEWSV(0,0)); |
| 1956 | SvPADMY_on(sv); |
| 1957 | } |
| a0d0e21e |
1958 | } |
| 1959 | else { |
| 748a9306 |
1960 | av_store(newpad, ix, sv = NEWSV(0,0)); |
| a0d0e21e |
1961 | SvPADTMP_on(sv); |
| 1962 | } |
| 1963 | } |
| 1964 | av = newAV(); /* will be @_ */ |
| 1965 | av_extend(av, 0); |
| 1966 | av_store(newpad, 0, (SV*)av); |
| 1967 | AvFLAGS(av) = AVf_REIFY; |
| 1968 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); |
| 1969 | AvFILL(padlist) = CvDEPTH(cv); |
| 1970 | svp = AvARRAY(padlist); |
| 1971 | } |
| 1972 | } |
| 1973 | SAVESPTR(curpad); |
| 1974 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
| 1975 | if (hasargs) { |
| 1976 | AV* av = (AV*)curpad[0]; |
| 1977 | SV** ary; |
| 1978 | |
| 1979 | if (AvREAL(av)) { |
| 1980 | av_clear(av); |
| 1981 | AvREAL_off(av); |
| 1982 | } |
| 1983 | cx->blk_sub.savearray = GvAV(defgv); |
| 1984 | cx->blk_sub.argarray = av; |
| 1985 | GvAV(defgv) = cx->blk_sub.argarray; |
| 1986 | ++MARK; |
| 1987 | |
| 1988 | if (items > AvMAX(av) + 1) { |
| 1989 | ary = AvALLOC(av); |
| 1990 | if (AvARRAY(av) != ary) { |
| 1991 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); |
| 1992 | SvPVX(av) = (char*)ary; |
| 1993 | } |
| 1994 | if (items > AvMAX(av) + 1) { |
| 1995 | AvMAX(av) = items - 1; |
| 1996 | Renew(ary,items,SV*); |
| 1997 | AvALLOC(av) = ary; |
| 1998 | SvPVX(av) = (char*)ary; |
| 1999 | } |
| 2000 | } |
| 2001 | Copy(MARK,AvARRAY(av),items,SV*); |
| 2002 | AvFILL(av) = items - 1; |
| 2003 | |
| 2004 | while (items--) { |
| 2005 | if (*MARK) |
| 2006 | SvTEMP_off(*MARK); |
| 2007 | MARK++; |
| 2008 | } |
| 2009 | } |
| 2010 | RETURNOP(CvSTART(cv)); |
| 2011 | } |
| 2012 | } |
| 2013 | |
| 2014 | PP(pp_aelem) |
| 2015 | { |
| 2016 | dSP; |
| 2017 | SV** svp; |
| 748a9306 |
2018 | I32 elem = POPi; |
| a0d0e21e |
2019 | AV *av = (AV*)POPs; |
| 2020 | I32 lval = op->op_flags & OPf_MOD; |
| 2021 | |
| 748a9306 |
2022 | if (elem > 0) |
| 2023 | elem -= curcop->cop_arybase; |
| a0d0e21e |
2024 | if (SvTYPE(av) != SVt_PVAV) |
| 2025 | RETPUSHUNDEF; |
| 2026 | svp = av_fetch(av, elem, lval); |
| 2027 | if (lval) { |
| 2028 | if (!svp || *svp == &sv_undef) |
| 2029 | DIE(no_aelem, elem); |
| 2030 | if (op->op_private & OPpLVAL_INTRO) |
| 2031 | save_svref(svp); |
| 02a9e968 |
2032 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
| 2033 | provide_ref(op, *svp); |
| a0d0e21e |
2034 | } |
| 2035 | PUSHs(svp ? *svp : &sv_undef); |
| 2036 | RETURN; |
| 2037 | } |
| 2038 | |
| 02a9e968 |
2039 | void |
| 11343788 |
2040 | provide_ref(o, sv) |
| 2041 | OP* o; |
| 02a9e968 |
2042 | SV* sv; |
| 2043 | { |
| 2044 | if (SvGMAGICAL(sv)) |
| 2045 | mg_get(sv); |
| 2046 | if (!SvOK(sv)) { |
| 2047 | if (SvREADONLY(sv)) |
| 2048 | croak(no_modify); |
| 2049 | (void)SvUPGRADE(sv, SVt_RV); |
| 11343788 |
2050 | SvRV(sv) = (o->op_private & OPpDEREF_HV ? |
| 02a9e968 |
2051 | (SV*)newHV() : (SV*)newAV()); |
| 2052 | SvROK_on(sv); |
| 2053 | SvSETMAGIC(sv); |
| 2054 | } |
| 2055 | } |
| 2056 | |
| a0d0e21e |
2057 | PP(pp_method) |
| 2058 | { |
| 2059 | dSP; |
| 2060 | SV* sv; |
| 2061 | SV* ob; |
| 2062 | GV* gv; |
| 2063 | SV* nm; |
| 2064 | |
| 2065 | nm = TOPs; |
| 2066 | sv = *(stack_base + TOPMARK + 1); |
| 2067 | |
| 2068 | gv = 0; |
| 16d20bd9 |
2069 | if (SvGMAGICAL(sv)) |
| 2070 | mg_get(sv); |
| a0d0e21e |
2071 | if (SvROK(sv)) |
| 16d20bd9 |
2072 | ob = (SV*)SvRV(sv); |
| a0d0e21e |
2073 | else { |
| 2074 | GV* iogv; |
| 2075 | char* packname = 0; |
| 2076 | |
| 2077 | if (!SvOK(sv) || |
| 2078 | !(packname = SvPV(sv, na)) || |
| 2079 | !(iogv = gv_fetchpv(packname, FALSE, SVt_PVIO)) || |
| 2080 | !(ob=(SV*)GvIO(iogv))) |
| 2081 | { |
| 2082 | char *name = SvPV(nm, na); |
| 2083 | HV *stash; |
| 2084 | if (!packname || !isALPHA(*packname)) |
| 2085 | DIE("Can't call method \"%s\" without a package or object reference", name); |
| 2086 | if (!(stash = gv_stashpv(packname, FALSE))) { |
| 2087 | if (gv_stashpv("UNIVERSAL", FALSE)) |
| 2088 | stash = gv_stashpv(packname, TRUE); |
| 2089 | else |
| 2090 | DIE("Can't call method \"%s\" in empty package \"%s\"", |
| 2091 | name, packname); |
| 2092 | } |
| 2093 | gv = gv_fetchmethod(stash,name); |
| 2094 | if (!gv) |
| 2095 | DIE("Can't locate object method \"%s\" via package \"%s\"", |
| 2096 | name, packname); |
| 2097 | SETs(gv); |
| 2098 | RETURN; |
| 2099 | } |
| c07a80fd |
2100 | *(stack_base + TOPMARK + 1) = sv_2mortal(newRV(iogv)); |
| a0d0e21e |
2101 | } |
| 2102 | |
| 2103 | if (!ob || !SvOBJECT(ob)) { |
| 2104 | char *name = SvPV(nm, na); |
| 2105 | DIE("Can't call method \"%s\" on unblessed reference", name); |
| 2106 | } |
| 2107 | |
| 2108 | if (!gv) { /* nothing cached */ |
| 2109 | char *name = SvPV(nm, na); |
| 2110 | gv = gv_fetchmethod(SvSTASH(ob),name); |
| 2111 | if (!gv) |
| 2112 | DIE("Can't locate object method \"%s\" via package \"%s\"", |
| 2113 | name, HvNAME(SvSTASH(ob))); |
| 2114 | } |
| 2115 | |
| 2116 | SETs(gv); |
| 2117 | RETURN; |
| 2118 | } |
| 2119 | |
projects / p5sagit/p5-mst-13.2.git / blame