3 * Copyright (c) 1991-1994, Larry Wall
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.
11 * "It's a big house this, and very peculiar. Always a bit more to discover,
12 * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise
18 static void doencodes _((SV *sv, char *s, I32 len));
20 /* variations on pp_null */
25 if (GIMME != G_ARRAY) {
41 if (op->op_private & OPpLVAL_INTRO)
42 SAVECLEARSV(curpad[op->op_targ]);
44 if (op->op_flags & OPf_REF) {
48 if (GIMME == G_ARRAY) {
49 I32 maxarg = AvFILL((AV*)TARG) + 1;
51 Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*);
55 SV* sv = sv_newmortal();
56 I32 maxarg = AvFILL((AV*)TARG) + 1;
67 if (op->op_private & OPpLVAL_INTRO)
68 SAVECLEARSV(curpad[op->op_targ]);
69 if (op->op_flags & OPf_REF)
71 if (GIMME == G_ARRAY) { /* array wanted */
72 RETURNOP(do_kv(ARGS));
75 SV* sv = sv_newmortal();
76 if (HvFILL((HV*)TARG)) {
77 sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1);
89 DIE("NOT IMPL LINE %d",__LINE__);
101 if (SvTYPE(sv) != SVt_PVGV)
102 DIE("Not a GLOB reference");
105 if (SvTYPE(sv) != SVt_PVGV) {
108 if (SvGMAGICAL(sv)) {
114 if (op->op_flags & OPf_REF ||
115 op->op_private & HINT_STRICT_REFS)
116 DIE(no_usym, "a symbol");
120 if (op->op_private & HINT_STRICT_REFS)
121 DIE(no_symref, sym, "a symbol");
122 sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV);
125 if (op->op_private & OPpLVAL_INTRO) {
129 SSPUSHPTR(SvREFCNT_inc(sv));
133 if (op->op_flags & OPf_SPECIAL) {
134 GvGP(sv)->gp_refcnt++; /* will soon be assigned */
135 GvFLAGS(sv) |= GVf_INTRO;
142 GvSV(sv) = NEWSV(72,0);
143 GvLINE(sv) = curcop->cop_line;
166 switch (SvTYPE(sv)) {
170 DIE("Not a SCALAR reference");
177 if (SvTYPE(gv) != SVt_PVGV) {
178 if (SvGMAGICAL(sv)) {
184 if (op->op_flags & OPf_REF ||
185 op->op_private & HINT_STRICT_REFS)
186 DIE(no_usym, "a SCALAR");
190 if (op->op_private & HINT_STRICT_REFS)
191 DIE(no_symref, sym, "a SCALAR");
192 gv = (SV*)gv_fetchpv(sym, TRUE, SVt_PV);
196 if (op->op_flags & OPf_MOD) {
197 if (op->op_private & OPpLVAL_INTRO)
198 sv = save_scalar((GV*)TOPs);
199 else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) {
205 (void)SvUPGRADE(sv, SVt_RV);
206 SvRV(sv) = (op->op_private & OPpDEREF_HV ?
207 (SV*)newHV() : (SV*)newAV());
221 SV *sv = AvARYLEN(av);
223 AvARYLEN(av) = sv = NEWSV(0,0);
224 sv_upgrade(sv, SVt_IV);
225 sv_magic(sv, (SV*)av, '#', Nullch, 0);
233 dSP; dTARGET; dPOPss;
235 if (op->op_flags & OPf_MOD) {
238 PUSHs(TARG); /* no SvSETMAGIC */
244 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
245 mg = mg_find(sv, 'g');
246 if (mg && mg->mg_len >= 0) {
247 PUSHi(mg->mg_len + curcop->cop_arybase);
261 /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */
262 /* (But not in defined().) */
263 CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL));
274 CV* cv = (CV*)cSVOP->op_sv;
277 if (SvFLAGS(cv) & SVpcv_CLONE) {
278 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
290 sv_upgrade(rv, SVt_RV);
295 (void)SvREFCNT_inc(sv);
308 if (GIMME != G_ARRAY) {
315 sv_upgrade(rv, SVt_RV);
320 (void)SvREFCNT_inc(sv);
336 if (!sv || !SvROK(sv))
340 pv = sv_reftype(sv,TRUE);
341 PUSHp(pv, strlen(pv));
351 stash = curcop->cop_stash;
353 stash = gv_stashsv(POPs, TRUE);
355 (void)sv_bless(TOPs, stash);
359 /* Pattern matching */
364 register unsigned char *s;
367 register I32 *sfirst;
372 s = (unsigned char*)(SvPV(TARG, len));
375 SvSCREAM_off(lastscream);
381 if (pos > maxscream) {
383 maxscream = pos + 80;
384 New(301, screamfirst, 256, I32);
385 New(302, screamnext, maxscream, I32);
388 maxscream = pos + pos / 4;
389 Renew(screamnext, maxscream, I32);
393 sfirst = screamfirst;
396 if (!sfirst || !snext)
397 DIE("do_study: out of memory");
399 for (ch = 256; ch; --ch)
406 snext[pos] = sfirst[ch] - pos;
411 /* If there were any case insensitive searches, we must assume they
412 * all are. This speeds up insensitive searches much more than
413 * it slows down sensitive ones.
416 sfirst[fold[ch]] = pos;
422 XPUSHs(sv_2mortal(newSViv((I32)retval)));
431 if (op->op_flags & OPf_STACKED)
437 TARG = sv_newmortal();
438 PUSHi(do_trans(sv, op));
442 /* Lvalue operators. */
464 SETi(do_chomp(TOPs));
471 register I32 count = 0;
474 count += do_chomp(POPs);
485 if (!sv || !SvANY(sv))
487 switch (SvTYPE(sv)) {
489 if (AvMAX(sv) >= 0 || SvRMAGICAL(sv))
493 if (HvARRAY(sv) || SvRMAGICAL(sv))
497 if (CvROOT(sv) || CvXSUB(sv))
521 if (SvTHINKFIRST(sv)) {
528 switch (SvTYPE(sv)) {
543 sv_setsv(sv, &sv_undef);
547 if (SvPOK(sv) && SvLEN(sv)) {
550 SvPV_set(sv, Nullch);
565 SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK);
576 sv_setsv(TARG, TOPs);
579 SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK);
593 sv_setsv(TARG, TOPs);
596 SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK);
605 /* Ordinary operators. */
609 dSP; dATARGET; tryAMAGICbin(pow,opASSIGN);
612 SETn( pow( left, right) );
619 dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
622 SETn( left * right );
629 dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
633 DIE("Illegal division by zero");
635 /* insure that 20./5. == 4. */
640 if ((double)I_32(x) == x &&
641 (double)I_32(value) == value &&
642 (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) {
649 value = POPn / value;
658 dSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
660 register unsigned long tmpulong;
661 register long tmplong;
664 tmpulong = (unsigned long) POPn;
666 DIE("Illegal modulus zero");
669 value = (I32)(((unsigned long)value) % tmpulong);
671 tmplong = (long)value;
672 value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1;
681 dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
683 register I32 count = POPi;
684 if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) {
686 I32 items = SP - MARK;
698 repeatcpy((char*)(MARK + items), (char*)MARK,
699 items * sizeof(SV*), count - 1);
705 else { /* Note: mark already snarfed by pp_list */
710 if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) {
711 if (SvREADONLY(tmpstr) && curcop != &compiling)
712 DIE("Can't x= to readonly value");
716 SvSetSV(TARG, tmpstr);
717 SvPV_force(TARG, len);
719 SvGROW(TARG, (count * len) + 1);
721 repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1);
722 SvCUR(TARG) *= count;
724 (void)SvPOK_only(TARG);
727 sv_setsv(TARG, &sv_no);
736 dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
739 SETn( left - right );
746 dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
749 SETi( left << right );
756 dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
759 SETi( left >> right );
766 dSP; tryAMAGICbinSET(lt,0);
769 SETs((TOPn < value) ? &sv_yes : &sv_no);
776 dSP; tryAMAGICbinSET(gt,0);
779 SETs((TOPn > value) ? &sv_yes : &sv_no);
786 dSP; tryAMAGICbinSET(le,0);
789 SETs((TOPn <= value) ? &sv_yes : &sv_no);
796 dSP; tryAMAGICbinSET(ge,0);
799 SETs((TOPn >= value) ? &sv_yes : &sv_no);
806 dSP; tryAMAGICbinSET(ne,0);
809 SETs((TOPn != value) ? &sv_yes : &sv_no);
816 dSP; dTARGET; tryAMAGICbin(ncmp,0);
823 else if (left < right)
834 dSP; tryAMAGICbinSET(slt,0);
837 SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no );
844 dSP; tryAMAGICbinSET(sgt,0);
847 SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no );
854 dSP; tryAMAGICbinSET(sle,0);
857 SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no );
864 dSP; tryAMAGICbinSET(sge,0);
867 SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no );
874 dSP; tryAMAGICbinSET(sne,0);
877 SETs( !sv_eq(left, right) ? &sv_yes : &sv_no );
884 dSP; dTARGET; tryAMAGICbin(scmp,0);
887 SETi( sv_cmp(left, right) );
893 dSP; dATARGET; tryAMAGICbin(band,opASSIGN);
896 if (SvNIOKp(left) || SvNIOKp(right)) {
897 unsigned long value = U_L(SvNV(left));
898 value = value & U_L(SvNV(right));
902 do_vop(op->op_type, TARG, left, right);
911 dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
914 if (SvNIOKp(left) || SvNIOKp(right)) {
915 unsigned long value = U_L(SvNV(left));
916 value = value ^ U_L(SvNV(right));
920 do_vop(op->op_type, TARG, left, right);
929 dSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
932 if (SvNIOKp(left) || SvNIOKp(right)) {
933 unsigned long value = U_L(SvNV(left));
934 value = value | U_L(SvNV(right));
938 do_vop(op->op_type, TARG, left, right);
947 dSP; dTARGET; tryAMAGICun(neg);
954 else if (SvPOKp(sv)) {
956 char *s = SvPV(sv, len);
957 if (isALPHA(*s) || *s == '_') {
958 sv_setpvn(TARG, "-", 1);
961 else if (*s == '+' || *s == '-') {
963 *SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
966 sv_setnv(TARG, -SvNV(sv));
978 dSP; tryAMAGICunSET(not);
979 #endif /* OVERLOAD */
980 *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes;
986 dSP; dTARGET; tryAMAGICun(compl);
994 SETn( (double) ~U_L(SvNV(sv)) );
1000 register long *tmpl;
1004 tmps = SvPV_force(TARG, len);
1007 for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++)
1010 for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++)
1014 for ( ; anum > 0; anum--, tmps++)
1023 /* integer versions of some of the above */
1027 dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
1030 SETi( left * right );
1037 dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
1041 DIE("Illegal division by zero");
1042 value = POPi / value;
1050 dSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
1053 SETi( left % right );
1060 dSP; dATARGET; tryAMAGICbin(add,opASSIGN);
1063 SETi( left + right );
1070 dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1073 SETi( left - right );
1080 dSP; tryAMAGICbinSET(lt,0);
1083 SETs((left < right) ? &sv_yes : &sv_no);
1090 dSP; tryAMAGICbinSET(gt,0);
1093 SETs((left > right) ? &sv_yes : &sv_no);
1100 dSP; tryAMAGICbinSET(le,0);
1103 SETs((left <= right) ? &sv_yes : &sv_no);
1110 dSP; tryAMAGICbinSET(ge,0);
1113 SETs((left >= right) ? &sv_yes : &sv_no);
1120 dSP; tryAMAGICbinSET(eq,0);
1123 SETs((left == right) ? &sv_yes : &sv_no);
1130 dSP; tryAMAGICbinSET(ne,0);
1133 SETs((left != right) ? &sv_yes : &sv_no);
1140 dSP; dTARGET; tryAMAGICbin(ncmp,0);
1147 else if (left < right)
1158 dSP; dTARGET; tryAMAGICun(neg);
1163 /* High falutin' math. */
1167 dSP; dTARGET; tryAMAGICbin(atan2,0);
1170 SETn(atan2(left, right));
1177 dSP; dTARGET; tryAMAGICun(sin);
1189 dSP; dTARGET; tryAMAGICun(cos);
1210 value = rand() * value / 2147483648.0;
1213 value = rand() * value / 65536.0;
1216 value = rand() * value / 32768.0;
1218 value = rand() * value / (double)(((unsigned long)1) << RANDBITS);
1245 dSP; dTARGET; tryAMAGICun(exp);
1257 dSP; dTARGET; tryAMAGICun(log);
1262 DIE("Can't take log of %g", value);
1271 dSP; dTARGET; tryAMAGICun(sqrt);
1276 DIE("Can't take sqrt of %g", value);
1277 value = sqrt(value);
1289 (void)modf(value, &value);
1291 (void)modf(-value, &value);
1300 dSP; dTARGET; tryAMAGICun(abs);
1320 XPUSHi( scan_hex(tmps, 99, &argtype) );
1332 while (*tmps && (isSPACE(*tmps) || *tmps == '0'))
1335 value = (I32)scan_hex(++tmps, 99, &argtype);
1337 value = (I32)scan_oct(tmps, 99, &argtype);
1347 SETi( sv_len(TOPs) );
1359 I32 lvalue = op->op_flags & OPf_MOD;
1361 I32 arybase = curcop->cop_arybase;
1365 pos = POPi - arybase;
1367 tmps = SvPV(sv, curlen);
1369 pos += curlen + arybase;
1370 if (pos < 0 || pos > curlen) {
1371 if (dowarn || lvalue)
1372 warn("substr outside of string");
1379 len += curlen - pos;
1384 rem = curlen - pos; /* rem=how many bytes left*/
1387 sv_setpvn(TARG, tmps, rem);
1388 if (lvalue) { /* it's an lvalue! */
1389 (void)SvPOK_only(sv);
1390 if (SvTYPE(TARG) < SVt_PVLV) {
1391 sv_upgrade(TARG, SVt_PVLV);
1392 sv_magic(TARG, Nullsv, 'x', Nullch, 0);
1397 LvTARGOFF(TARG) = pos;
1398 LvTARGLEN(TARG) = rem;
1401 PUSHs(TARG); /* avoid SvSETMAGIC here */
1408 register I32 size = POPi;
1409 register I32 offset = POPi;
1410 register SV *src = POPs;
1411 I32 lvalue = op->op_flags & OPf_MOD;
1413 unsigned char *s = (unsigned char*)SvPV(src, srclen);
1414 unsigned long retnum;
1417 offset *= size; /* turn into bit offset */
1418 len = (offset + size + 7) / 8;
1419 if (offset < 0 || size < 1)
1422 if (lvalue) { /* it's an lvalue! */
1423 if (SvTYPE(TARG) < SVt_PVLV) {
1424 sv_upgrade(TARG, SVt_PVLV);
1425 sv_magic(TARG, Nullsv, 'v', Nullch, 0);
1430 LvTARGOFF(TARG) = offset;
1431 LvTARGLEN(TARG) = size;
1439 if (offset >= srclen)
1442 retnum = (unsigned long) s[offset] << 8;
1444 else if (size == 32) {
1445 if (offset >= srclen)
1447 else if (offset + 1 >= srclen)
1448 retnum = (unsigned long) s[offset] << 24;
1449 else if (offset + 2 >= srclen)
1450 retnum = ((unsigned long) s[offset] << 24) +
1451 ((unsigned long) s[offset + 1] << 16);
1453 retnum = ((unsigned long) s[offset] << 24) +
1454 ((unsigned long) s[offset + 1] << 16) +
1455 (s[offset + 2] << 8);
1460 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
1465 else if (size == 16)
1466 retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
1467 else if (size == 32)
1468 retnum = ((unsigned long) s[offset] << 24) +
1469 ((unsigned long) s[offset + 1] << 16) +
1470 (s[offset + 2] << 8) + s[offset+3];
1474 sv_setiv(TARG, (I32)retnum);
1489 I32 arybase = curcop->cop_arybase;
1494 offset = POPi - arybase;
1497 tmps = SvPV(big, biglen);
1500 else if (offset > biglen)
1502 if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset,
1503 (unsigned char*)tmps + biglen, little)))
1504 retval = -1 + arybase;
1506 retval = tmps2 - tmps + arybase;
1523 I32 arybase = curcop->cop_arybase;
1529 tmps2 = SvPV(little, llen);
1530 tmps = SvPV(big, blen);
1534 offset = SvIV(offstr) - arybase + llen;
1537 else if (offset > blen)
1539 if (!(tmps2 = rninstr(tmps, tmps + offset,
1540 tmps2, tmps2 + llen)))
1541 retval = -1 + arybase;
1543 retval = tmps2 - tmps + arybase;
1550 dSP; dMARK; dORIGMARK; dTARGET;
1551 do_sprintf(TARG, SP-MARK, MARK+1);
1565 value = (I32) (*tmps & 255);
1570 value = (I32) (anum & 255);
1581 (void)SvUPGRADE(TARG,SVt_PV);
1587 (void)SvPOK_only(TARG);
1594 dSP; dTARGET; dPOPTOPssrl;
1596 char *tmps = SvPV(left, na);
1598 sv_setpv(TARG, fcrypt(tmps, SvPV(right, na)));
1600 sv_setpv(TARG, crypt(tmps, SvPV(right, na)));
1604 "The crypt() function is unimplemented due to excessive paranoia.");
1616 if (!SvPADTMP(sv)) {
1622 s = SvPV_force(sv, na);
1635 if (!SvPADTMP(sv)) {
1641 s = SvPV_force(sv, na);
1654 register char *send;
1657 if (!SvPADTMP(sv)) {
1663 s = SvPV_force(sv, len);
1678 register char *send;
1681 if (!SvPADTMP(sv)) {
1687 s = SvPV_force(sv, len);
1702 register char *s = SvPV(sv,len);
1706 (void)SvUPGRADE(TARG, SVt_PV);
1707 SvGROW(TARG, len * 2);
1715 SvCUR_set(TARG, d - SvPVX(TARG));
1716 (void)SvPOK_only(TARG);
1719 sv_setpvn(TARG, s, len);
1728 dSP; dMARK; dORIGMARK;
1730 register AV* av = (AV*)POPs;
1731 register I32 lval = op->op_flags & OPf_MOD;
1732 I32 arybase = curcop->cop_arybase;
1735 if (SvTYPE(av) == SVt_PVAV) {
1736 if (lval && op->op_private & OPpLVAL_INTRO) {
1738 for (svp = mark + 1; svp <= sp; svp++) {
1743 if (max > AvMAX(av))
1746 while (++MARK <= SP) {
1747 elem = SvIVx(*MARK);
1751 svp = av_fetch(av, elem, lval);
1753 if (!svp || *svp == &sv_undef)
1754 DIE(no_aelem, elem);
1755 if (op->op_private & OPpLVAL_INTRO)
1758 *MARK = svp ? *svp : &sv_undef;
1761 if (GIMME != G_ARRAY) {
1769 /* Associative arrays. */
1774 HV *hash = (HV*)POPs;
1775 HE *entry = hv_iternext(hash);
1781 tmps = hv_iterkey(entry, &i);
1784 PUSHs(sv_2mortal(newSVpv(tmps, i)));
1785 if (GIMME == G_ARRAY) {
1786 sv_setsv(TARG, hv_iterval(hash, entry));
1790 else if (GIMME == G_SCALAR)
1814 if (SvTYPE(hv) != SVt_PVHV) {
1815 DIE("Not a HASH reference");
1817 tmps = SvPV(tmpsv, len);
1818 sv = hv_delete(hv, tmps, len,
1819 op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0);
1833 if (SvTYPE(hv) != SVt_PVHV) {
1834 DIE("Not a HASH reference");
1836 tmps = SvPV(tmpsv, len);
1837 if (hv_exists(hv, tmps, len))
1844 dSP; dMARK; dORIGMARK;
1846 register HV *hv = (HV*)POPs;
1847 register I32 lval = op->op_flags & OPf_MOD;
1849 if (SvTYPE(hv) == SVt_PVHV) {
1850 while (++MARK <= SP) {
1852 char *key = SvPV(*MARK, keylen);
1854 svp = hv_fetch(hv, key, keylen, lval);
1856 if (!svp || *svp == &sv_undef)
1858 if (op->op_private & OPpLVAL_INTRO)
1861 *MARK = svp ? *svp : &sv_undef;
1864 if (GIMME != G_ARRAY) {
1872 /* List operators. */
1877 if (GIMME != G_ARRAY) {
1879 *MARK = *SP; /* unwanted list, return last item */
1890 SV **lastrelem = stack_sp;
1891 SV **lastlelem = stack_base + POPMARK;
1892 SV **firstlelem = stack_base + POPMARK + 1;
1893 register SV **firstrelem = lastlelem + 1;
1894 I32 arybase = curcop->cop_arybase;
1895 I32 lval = op->op_flags & OPf_MOD;
1896 I32 is_something_there = lval;
1898 register I32 max = lastrelem - lastlelem;
1899 register SV **lelem;
1902 if (GIMME != G_ARRAY) {
1903 ix = SvIVx(*lastlelem);
1908 if (ix < 0 || ix >= max)
1909 *firstlelem = &sv_undef;
1911 *firstlelem = firstrelem[ix];
1917 SP = firstlelem - 1;
1921 for (lelem = firstlelem; lelem <= lastlelem; lelem++) {
1927 else if (!(*lelem = firstrelem[ix]))
1932 if (ix >= max || !(*lelem = firstrelem[ix]))
1935 if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem)))
1936 is_something_there = TRUE;
1938 if (is_something_there)
1941 SP = firstlelem - 1;
1948 I32 items = SP - MARK;
1950 XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1)));
1956 dSP; dMARK; dORIGMARK;
1958 HV* hv = (HV*)sv_2mortal((SV*)newHV());
1963 SV *val = NEWSV(46, 0);
1965 sv_setsv(val, *++MARK);
1967 warn("Odd number of elements in hash list");
1968 tmps = SvPV(key,len);
1969 (void)hv_store(hv,tmps,len,val,0);
1978 dSP; dMARK; dORIGMARK;
1979 register AV *ary = (AV*)*++MARK;
1983 register I32 offset;
1984 register I32 length;
1993 offset = SvIVx(*MARK);
1995 offset += AvFILL(ary) + 1;
1997 offset -= curcop->cop_arybase;
1999 length = SvIVx(*MARK++);
2004 length = AvMAX(ary) + 1; /* close enough to infinity */
2008 length = AvMAX(ary) + 1;
2016 if (offset > AvFILL(ary) + 1)
2017 offset = AvFILL(ary) + 1;
2018 after = AvFILL(ary) + 1 - (offset + length);
2019 if (after < 0) { /* not that much array */
2020 length += after; /* offset+length now in array */
2026 /* At this point, MARK .. SP-1 is our new LIST */
2029 diff = newlen - length;
2031 if (diff < 0) { /* shrinking the area */
2033 New(451, tmparyval, newlen, SV*); /* so remember insertion */
2034 Copy(MARK, tmparyval, newlen, SV*);
2037 MARK = ORIGMARK + 1;
2038 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2039 MEXTEND(MARK, length);
2040 Copy(AvARRAY(ary)+offset, MARK, length, SV*);
2042 for (i = length, dst = MARK; i; i--)
2043 sv_2mortal(*dst++); /* free them eventualy */
2048 *MARK = AvARRAY(ary)[offset+length-1];
2051 for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--)
2052 SvREFCNT_dec(*dst++); /* free them now */
2055 AvFILL(ary) += diff;
2057 /* pull up or down? */
2059 if (offset < after) { /* easier to pull up */
2060 if (offset) { /* esp. if nothing to pull */
2061 src = &AvARRAY(ary)[offset-1];
2062 dst = src - diff; /* diff is negative */
2063 for (i = offset; i > 0; i--) /* can't trust Copy */
2067 SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */
2071 if (after) { /* anything to pull down? */
2072 src = AvARRAY(ary) + offset + length;
2073 dst = src + diff; /* diff is negative */
2074 Move(src, dst, after, SV*);
2076 dst = &AvARRAY(ary)[AvFILL(ary)+1];
2077 /* avoid later double free */
2081 dst[--i] = &sv_undef;
2084 for (src = tmparyval, dst = AvARRAY(ary) + offset;
2086 *dst = NEWSV(46, 0);
2087 sv_setsv(*dst++, *src++);
2089 Safefree(tmparyval);
2092 else { /* no, expanding (or same) */
2094 New(452, tmparyval, length, SV*); /* so remember deletion */
2095 Copy(AvARRAY(ary)+offset, tmparyval, length, SV*);
2098 if (diff > 0) { /* expanding */
2100 /* push up or down? */
2102 if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) {
2106 Move(src, dst, offset, SV*);
2108 SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */
2110 AvFILL(ary) += diff;
2113 if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */
2114 av_extend(ary, AvFILL(ary) + diff);
2115 AvFILL(ary) += diff;
2118 dst = AvARRAY(ary) + AvFILL(ary);
2120 for (i = after; i; i--) {
2127 for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) {
2128 *dst = NEWSV(46, 0);
2129 sv_setsv(*dst++, *src++);
2131 MARK = ORIGMARK + 1;
2132 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2134 Copy(tmparyval, MARK, length, SV*);
2136 for (i = length, dst = MARK; i; i--)
2137 sv_2mortal(*dst++); /* free them eventualy */
2139 Safefree(tmparyval);
2143 else if (length--) {
2144 *MARK = tmparyval[length];
2147 while (length-- > 0)
2148 SvREFCNT_dec(tmparyval[length]);
2150 Safefree(tmparyval);
2161 dSP; dMARK; dORIGMARK; dTARGET;
2162 register AV *ary = (AV*)*++MARK;
2163 register SV *sv = &sv_undef;
2165 for (++MARK; MARK <= SP; MARK++) {
2168 sv_setsv(sv, *MARK);
2172 PUSHi( AvFILL(ary) + 1 );
2180 SV *sv = av_pop(av);
2181 if (sv != &sv_undef && AvREAL(av))
2182 (void)sv_2mortal(sv);
2191 SV *sv = av_shift(av);
2195 if (sv != &sv_undef && AvREAL(av))
2196 (void)sv_2mortal(sv);
2203 dSP; dMARK; dORIGMARK; dTARGET;
2204 register AV *ary = (AV*)*++MARK;
2208 av_unshift(ary, SP - MARK);
2211 sv_setsv(sv, *++MARK);
2212 (void)av_store(ary, i++, sv);
2216 PUSHi( AvFILL(ary) + 1 );
2226 if (GIMME == G_ARRAY) {
2237 register char *down;
2243 do_join(TARG, &sv_no, MARK, SP);
2245 sv_setsv(TARG, *SP);
2246 up = SvPV_force(TARG, len);
2248 down = SvPVX(TARG) + len - 1;
2254 (void)SvPOK_only(TARG);
2262 /* Explosives and implosives. */
2271 register char *pat = SvPV(left, llen);
2272 register char *s = SvPV(right, rlen);
2273 char *strend = s + rlen;
2275 register char *patend = pat + llen;
2280 /* These must not be in registers: */
2291 unsigned Quad_t auquad;
2297 register U32 culong;
2299 static char* bitcount = 0;
2301 if (GIMME != G_ARRAY) { /* arrange to do first one only */
2303 for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
2304 if (strchr("aAbBhHP", *patend) || *pat == '%') {
2306 while (isDIGIT(*patend) || *patend == '*')
2312 while (pat < patend) {
2317 else if (*pat == '*') {
2318 len = strend - strbeg; /* long enough */
2321 else if (isDIGIT(*pat)) {
2323 while (isDIGIT(*pat))
2324 len = (len * 10) + (*pat++ - '0');
2327 len = (datumtype != '@');
2332 if (len == 1 && pat[-1] != '1')
2341 if (len > strend - strbeg)
2342 DIE("@ outside of string");
2346 if (len > s - strbeg)
2347 DIE("X outside of string");
2351 if (len > strend - s)
2352 DIE("x outside of string");
2357 if (len > strend - s)
2360 goto uchar_checksum;
2361 sv = NEWSV(35, len);
2362 sv_setpvn(sv, s, len);
2364 if (datumtype == 'A') {
2365 aptr = s; /* borrow register */
2366 s = SvPVX(sv) + len - 1;
2367 while (s >= SvPVX(sv) && (!*s || isSPACE(*s)))
2370 SvCUR_set(sv, s - SvPVX(sv));
2371 s = aptr; /* unborrow register */
2373 XPUSHs(sv_2mortal(sv));
2377 if (pat[-1] == '*' || len > (strend - s) * 8)
2378 len = (strend - s) * 8;
2381 Newz(601, bitcount, 256, char);
2382 for (bits = 1; bits < 256; bits++) {
2383 if (bits & 1) bitcount[bits]++;
2384 if (bits & 2) bitcount[bits]++;
2385 if (bits & 4) bitcount[bits]++;
2386 if (bits & 8) bitcount[bits]++;
2387 if (bits & 16) bitcount[bits]++;
2388 if (bits & 32) bitcount[bits]++;
2389 if (bits & 64) bitcount[bits]++;
2390 if (bits & 128) bitcount[bits]++;
2394 culong += bitcount[*(unsigned char*)s++];
2399 if (datumtype == 'b') {
2401 if (bits & 1) culong++;
2407 if (bits & 128) culong++;
2414 sv = NEWSV(35, len + 1);
2417 aptr = pat; /* borrow register */
2419 if (datumtype == 'b') {
2421 for (len = 0; len < aint; len++) {
2422 if (len & 7) /*SUPPRESS 595*/
2426 *pat++ = '0' + (bits & 1);
2431 for (len = 0; len < aint; len++) {
2436 *pat++ = '0' + ((bits & 128) != 0);
2440 pat = aptr; /* unborrow register */
2441 XPUSHs(sv_2mortal(sv));
2445 if (pat[-1] == '*' || len > (strend - s) * 2)
2446 len = (strend - s) * 2;
2447 sv = NEWSV(35, len + 1);
2450 aptr = pat; /* borrow register */
2452 if (datumtype == 'h') {
2454 for (len = 0; len < aint; len++) {
2459 *pat++ = hexdigit[bits & 15];
2464 for (len = 0; len < aint; len++) {
2469 *pat++ = hexdigit[(bits >> 4) & 15];
2473 pat = aptr; /* unborrow register */
2474 XPUSHs(sv_2mortal(sv));
2477 if (len > strend - s)
2482 if (aint >= 128) /* fake up signed chars */
2491 if (aint >= 128) /* fake up signed chars */
2494 sv_setiv(sv, (I32)aint);
2495 PUSHs(sv_2mortal(sv));
2500 if (len > strend - s)
2514 sv_setiv(sv, (I32)auint);
2515 PUSHs(sv_2mortal(sv));
2520 along = (strend - s) / sizeof(I16);
2525 Copy(s, &ashort, 1, I16);
2533 Copy(s, &ashort, 1, I16);
2536 sv_setiv(sv, (I32)ashort);
2537 PUSHs(sv_2mortal(sv));
2544 along = (strend - s) / sizeof(U16);
2549 Copy(s, &aushort, 1, U16);
2552 if (datumtype == 'n')
2553 aushort = ntohs(aushort);
2556 if (datumtype == 'v')
2557 aushort = vtohs(aushort);
2565 Copy(s, &aushort, 1, U16);
2569 if (datumtype == 'n')
2570 aushort = ntohs(aushort);
2573 if (datumtype == 'v')
2574 aushort = vtohs(aushort);
2576 sv_setiv(sv, (I32)aushort);
2577 PUSHs(sv_2mortal(sv));
2582 along = (strend - s) / sizeof(int);
2587 Copy(s, &aint, 1, int);
2590 cdouble += (double)aint;
2598 Copy(s, &aint, 1, int);
2601 sv_setiv(sv, (I32)aint);
2602 PUSHs(sv_2mortal(sv));
2607 along = (strend - s) / sizeof(unsigned int);
2612 Copy(s, &auint, 1, unsigned int);
2613 s += sizeof(unsigned int);
2615 cdouble += (double)auint;
2623 Copy(s, &auint, 1, unsigned int);
2624 s += sizeof(unsigned int);
2626 sv_setiv(sv, (I32)auint);
2627 PUSHs(sv_2mortal(sv));
2632 along = (strend - s) / sizeof(I32);
2637 Copy(s, &along, 1, I32);
2640 cdouble += (double)along;
2648 Copy(s, &along, 1, I32);
2651 sv_setiv(sv, (I32)along);
2652 PUSHs(sv_2mortal(sv));
2659 along = (strend - s) / sizeof(U32);
2664 Copy(s, &aulong, 1, U32);
2667 if (datumtype == 'N')
2668 aulong = ntohl(aulong);
2671 if (datumtype == 'V')
2672 aulong = vtohl(aulong);
2675 cdouble += (double)aulong;
2683 Copy(s, &aulong, 1, U32);
2687 if (datumtype == 'N')
2688 aulong = ntohl(aulong);
2691 if (datumtype == 'V')
2692 aulong = vtohl(aulong);
2694 sv_setnv(sv, (double)aulong);
2695 PUSHs(sv_2mortal(sv));
2700 along = (strend - s) / sizeof(char*);
2705 if (sizeof(char*) > strend - s)
2708 Copy(s, &aptr, 1, char*);
2714 PUSHs(sv_2mortal(sv));
2719 if (sizeof(char*) > strend - s)
2722 Copy(s, &aptr, 1, char*);
2727 sv_setpvn(sv, aptr, len);
2728 PUSHs(sv_2mortal(sv));
2734 if (s + sizeof(Quad_t) > strend)
2737 Copy(s, &aquad, 1, Quad_t);
2738 s += sizeof(Quad_t);
2741 sv_setiv(sv, (IV)aquad);
2742 PUSHs(sv_2mortal(sv));
2748 if (s + sizeof(unsigned Quad_t) > strend)
2751 Copy(s, &auquad, 1, unsigned Quad_t);
2752 s += sizeof(unsigned Quad_t);
2755 sv_setiv(sv, (IV)auquad);
2756 PUSHs(sv_2mortal(sv));
2760 /* float and double added gnb@melba.bby.oz.au 22/11/89 */
2763 along = (strend - s) / sizeof(float);
2768 Copy(s, &afloat, 1, float);
2776 Copy(s, &afloat, 1, float);
2779 sv_setnv(sv, (double)afloat);
2780 PUSHs(sv_2mortal(sv));
2786 along = (strend - s) / sizeof(double);
2791 Copy(s, &adouble, 1, double);
2792 s += sizeof(double);
2799 Copy(s, &adouble, 1, double);
2800 s += sizeof(double);
2802 sv_setnv(sv, (double)adouble);
2803 PUSHs(sv_2mortal(sv));
2808 along = (strend - s) * 3 / 4;
2809 sv = NEWSV(42, along);
2810 while (s < strend && *s > ' ' && *s < 'a') {
2815 len = (*s++ - ' ') & 077;
2817 if (s < strend && *s >= ' ')
2818 a = (*s++ - ' ') & 077;
2821 if (s < strend && *s >= ' ')
2822 b = (*s++ - ' ') & 077;
2825 if (s < strend && *s >= ' ')
2826 c = (*s++ - ' ') & 077;
2829 if (s < strend && *s >= ' ')
2830 d = (*s++ - ' ') & 077;
2833 hunk[0] = a << 2 | b >> 4;
2834 hunk[1] = b << 4 | c >> 2;
2835 hunk[2] = c << 6 | d;
2836 sv_catpvn(sv, hunk, len > 3 ? 3 : len);
2841 else if (s[1] == '\n') /* possible checksum byte */
2844 XPUSHs(sv_2mortal(sv));
2849 if (strchr("fFdD", datumtype) ||
2850 (checksum > 32 && strchr("iIlLN", datumtype)) ) {
2854 while (checksum >= 16) {
2858 while (checksum >= 4) {
2864 along = (1 << checksum) - 1;
2865 while (cdouble < 0.0)
2867 cdouble = modf(cdouble / adouble, &trouble) * adouble;
2868 sv_setnv(sv, cdouble);
2871 if (checksum < 32) {
2872 along = (1 << checksum) - 1;
2873 culong &= (U32)along;
2875 sv_setnv(sv, (double)culong);
2877 XPUSHs(sv_2mortal(sv));
2885 doencodes(sv, s, len)
2893 sv_catpvn(sv, hunk, 1);
2896 hunk[0] = ' ' + (077 & (*s >> 2));
2897 hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017));
2898 hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03));
2899 hunk[3] = ' ' + (077 & (s[2] & 077));
2900 sv_catpvn(sv, hunk, 4);
2904 for (s = SvPVX(sv); *s; s++) {
2908 sv_catpvn(sv, "\n", 1);
2913 dSP; dMARK; dORIGMARK; dTARGET;
2914 register SV *cat = TARG;
2917 register char *pat = SvPVx(*++MARK, fromlen);
2918 register char *patend = pat + fromlen;
2923 static char null10[] = {0,0,0,0,0,0,0,0,0,0};
2924 static char *space10 = " ";
2926 /* These must not be in registers: */
2935 unsigned Quad_t auquad;
2943 sv_setpvn(cat, "", 0);
2944 while (pat < patend) {
2945 #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no)
2948 len = strchr("@Xxu", datumtype) ? 0 : items;
2951 else if (isDIGIT(*pat)) {
2953 while (isDIGIT(*pat))
2954 len = (len * 10) + (*pat++ - '0');
2962 DIE("%% may only be used in unpack");
2973 if (SvCUR(cat) < len)
2974 DIE("X outside of string");
2981 sv_catpvn(cat, null10, 10);
2984 sv_catpvn(cat, null10, len);
2989 aptr = SvPV(fromstr, fromlen);
2993 sv_catpvn(cat, aptr, len);
2995 sv_catpvn(cat, aptr, fromlen);
2997 if (datumtype == 'A') {
2999 sv_catpvn(cat, space10, 10);
3002 sv_catpvn(cat, space10, len);
3006 sv_catpvn(cat, null10, 10);
3009 sv_catpvn(cat, null10, len);
3016 char *savepat = pat;
3021 aptr = SvPV(fromstr, fromlen);
3026 SvCUR(cat) += (len+7)/8;
3027 SvGROW(cat, SvCUR(cat) + 1);
3028 aptr = SvPVX(cat) + aint;
3033 if (datumtype == 'B') {
3034 for (len = 0; len++ < aint;) {
3035 items |= *pat++ & 1;
3039 *aptr++ = items & 0xff;
3045 for (len = 0; len++ < aint;) {
3051 *aptr++ = items & 0xff;
3057 if (datumtype == 'B')
3058 items <<= 7 - (aint & 7);
3060 items >>= 7 - (aint & 7);
3061 *aptr++ = items & 0xff;
3063 pat = SvPVX(cat) + SvCUR(cat);
3074 char *savepat = pat;
3079 aptr = SvPV(fromstr, fromlen);
3084 SvCUR(cat) += (len+1)/2;
3085 SvGROW(cat, SvCUR(cat) + 1);
3086 aptr = SvPVX(cat) + aint;
3091 if (datumtype == 'H') {
3092 for (len = 0; len++ < aint;) {
3094 items |= ((*pat++ & 15) + 9) & 15;
3096 items |= *pat++ & 15;
3100 *aptr++ = items & 0xff;
3106 for (len = 0; len++ < aint;) {
3108 items |= (((*pat++ & 15) + 9) & 15) << 4;
3110 items |= (*pat++ & 15) << 4;
3114 *aptr++ = items & 0xff;
3120 *aptr++ = items & 0xff;
3121 pat = SvPVX(cat) + SvCUR(cat);
3133 aint = SvIV(fromstr);
3135 sv_catpvn(cat, &achar, sizeof(char));
3138 /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
3143 afloat = (float)SvNV(fromstr);
3144 sv_catpvn(cat, (char *)&afloat, sizeof (float));
3151 adouble = (double)SvNV(fromstr);
3152 sv_catpvn(cat, (char *)&adouble, sizeof (double));
3158 ashort = (I16)SvIV(fromstr);
3160 ashort = htons(ashort);
3162 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3168 ashort = (I16)SvIV(fromstr);
3170 ashort = htovs(ashort);
3172 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3179 ashort = (I16)SvIV(fromstr);
3180 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3186 auint = U_I(SvNV(fromstr));
3187 sv_catpvn(cat, (char*)&auint, sizeof(unsigned int));
3193 aint = SvIV(fromstr);
3194 sv_catpvn(cat, (char*)&aint, sizeof(int));
3200 aulong = U_L(SvNV(fromstr));
3202 aulong = htonl(aulong);
3204 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3210 aulong = U_L(SvNV(fromstr));
3212 aulong = htovl(aulong);
3214 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3220 aulong = U_L(SvNV(fromstr));
3221 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3227 along = SvIV(fromstr);
3228 sv_catpvn(cat, (char*)&along, sizeof(I32));
3235 auquad = (unsigned Quad_t)SvIV(fromstr);
3236 sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t));
3242 aquad = (Quad_t)SvIV(fromstr);
3243 sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t));
3246 #endif /* HAS_QUAD */
3248 len = 1; /* assume SV is correct length */
3253 aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */
3254 sv_catpvn(cat, (char*)&aptr, sizeof(char*));
3259 aptr = SvPV(fromstr, fromlen);
3260 SvGROW(cat, fromlen * 4 / 3);
3265 while (fromlen > 0) {
3272 doencodes(cat, aptr, todo);
3290 register I32 limit = POPi; /* note, negative is forever */
3293 register char *s = SvPV(sv, len);
3294 char *strend = s + len;
3295 register PMOP *pm = (PMOP*)POPs;
3299 I32 maxiters = (strend - s) + 10;
3302 I32 origlimit = limit;
3305 AV *oldstack = stack;
3306 register REGEXP *rx = pm->op_pmregexp;
3310 DIE("panic: do_split");
3311 if (pm->op_pmreplroot)
3312 ary = GvAVn((GV*)pm->op_pmreplroot);
3313 else if (gimme != G_ARRAY)
3317 if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
3321 for (i = AvFILL(ary); i >= 0; i--)
3322 AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */
3326 /* temporarily switch stacks */
3327 SWITCHSTACK(stack, ary);
3329 base = SP - stack_base;
3331 if (pm->op_pmflags & PMf_SKIPWHITE) {
3336 limit = maxiters + 2;
3337 if (pm->op_pmflags & PMf_WHITE) {
3340 for (m = s; m < strend && !isSPACE(*m); m++) ;
3343 dstr = NEWSV(30, m-s);
3344 sv_setpvn(dstr, s, m-s);
3349 for (s = m + 1; s < strend && isSPACE(*s); s++) ;
3352 else if (strEQ("^", rx->precomp)) {
3355 for (m = s; m < strend && *m != '\n'; m++) ;
3359 dstr = NEWSV(30, m-s);
3360 sv_setpvn(dstr, s, m-s);
3367 else if (pm->op_pmshort) {
3368 i = SvCUR(pm->op_pmshort);
3370 I32 fold = (pm->op_pmflags & PMf_FOLD);
3371 i = *SvPVX(pm->op_pmshort);
3372 if (fold && isUPPER(i))
3377 m < strend && *m != i &&
3378 (!isUPPER(*m) || toLOWER(*m) != i);
3379 m++) /*SUPPRESS 530*/
3382 else /*SUPPRESS 530*/
3383 for (m = s; m < strend && *m != i; m++) ;
3386 dstr = NEWSV(30, m-s);
3387 sv_setpvn(dstr, s, m-s);
3396 while (s < strend && --limit &&
3397 (m=fbm_instr((unsigned char*)s, (unsigned char*)strend,
3401 dstr = NEWSV(31, m-s);
3402 sv_setpvn(dstr, s, m-s);
3411 maxiters += (strend - s) * rx->nparens;
3412 while (s < strend && --limit &&
3413 pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) {
3415 && rx->subbase != orig) {
3420 strend = s + (strend - m);
3423 dstr = NEWSV(32, m-s);
3424 sv_setpvn(dstr, s, m-s);
3429 for (i = 1; i <= rx->nparens; i++) {
3433 dstr = NEWSV(33, m-s);
3434 sv_setpvn(dstr, s, m-s);
3437 dstr = NEWSV(33, 0);
3446 iters = (SP - stack_base) - base;
3447 if (iters > maxiters)
3450 /* keep field after final delim? */
3451 if (s < strend || (iters && origlimit)) {
3452 dstr = NEWSV(34, strend-s);
3453 sv_setpvn(dstr, s, strend-s);
3459 else if (!origlimit) {
3460 while (iters > 0 && SvCUR(TOPs) == 0)
3464 SWITCHSTACK(ary, oldstack);
3465 if (gimme == G_ARRAY) {
3467 Copy(AvARRAY(ary), SP + 1, iters, SV*);
3473 if (gimme == G_ARRAY)
3476 if (iters || !pm->op_pmreplroot) {