3 * Copyright (c) 1991-2001, 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 * "'So that was the job I felt I had to do when I started,' thought Sam."
15 #define PERL_IN_DOOP_C
19 #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
25 S_do_trans_simple(pTHX_ SV *sv)
32 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
37 tbl = (short*)cPVOP->op_pv;
39 Perl_croak(aTHX_ "panic: do_trans_simple");
41 s = (U8*)SvPV(sv, len);
44 /* First, take care of non-UTF8 input strings, because they're easy */
47 if ((ch = tbl[*s]) >= 0) {
58 /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
60 New(0, d, len*2+1, U8);
68 /* Need to check this, otherwise 128..255 won't match */
69 c = utf8_to_uv(s, send - s, &ulen, 0);
70 if (c < 0x100 && (ch = tbl[c]) >= 0) {
72 d = uv_to_utf8(d, ch);
75 else { /* No match -> copy */
82 sv_setpvn(sv, (char*)dstart, d - dstart);
87 SvCUR_set(sv, d - dstart);
95 S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */
103 tbl = (short*)cPVOP->op_pv;
105 Perl_croak(aTHX_ "panic: do_trans_count");
107 s = (U8*)SvPV(sv, len);
119 c = utf8_to_uv(s, send - s, &ulen, 0);
120 if (c < 0x100 && tbl[c] >= 0)
129 S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
137 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
142 tbl = (short*)cPVOP->op_pv;
144 Perl_croak(aTHX_ "panic: do_trans_complex");
146 s = (U8*)SvPV(sv, len);
152 if (PL_op->op_private & OPpTRANS_SQUASH) {
155 if ((ch = tbl[*s]) >= 0) {
158 if (p != d - 1 || *p != *d)
161 else if (ch == -1) /* -1 is unmapped character */
163 else if (ch == -2) /* -2 is delete character */
170 if ((ch = tbl[*s]) >= 0) {
174 else if (ch == -1) /* -1 is unmapped character */
176 else if (ch == -2) /* -2 is delete character */
181 SvCUR_set(sv, d - dstart);
185 New(0, d, len*2+1, U8);
190 #ifdef MACOS_TRADITIONAL
191 #define comp CoMP /* "comp" is a keyword in some compilers ... */
194 if (PL_op->op_private & OPpTRANS_SQUASH) {
198 UV comp = utf8_to_uv_simple(s, &len);
200 if (comp > 0xff) { /* always unmapped */
204 else if ((ch = tbl[comp]) >= 0) {
207 d = uv_to_utf8(d, ch);
213 else if (ch == -1) { /* -1 is unmapped character */
217 else if (ch == -2) /* -2 is delete character */
226 UV comp = utf8_to_uv_simple(s, &len);
227 if (comp > 0xff) { /* always unmapped */
231 else if ((ch = tbl[comp]) >= 0) {
232 d = uv_to_utf8(d, ch);
235 else if (ch == -1) { /* -1 is unmapped character */
239 else if (ch == -2) /* -2 is delete character */
245 sv_setpvn(sv, (char*)dstart, d - dstart);
250 SvCUR_set(sv, d - dstart);
259 S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */
267 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
270 SV* rv = (SV*)cSVOP->op_sv;
271 HV* hv = (HV*)SvRV(rv);
272 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
273 UV none = svp ? SvUV(*svp) : 0x7fffffff;
280 s = (U8*)SvPV(sv, len);
283 U8 *t = s, *e = s + len;
285 if ((hibit = UTF8_IS_CONTINUED(*t++)))
288 s = bytes_to_utf8(s, &len);
293 svp = hv_fetch(hv, "FINAL", 5, FALSE);
298 /* d needs to be bigger than s, in case e.g. upgrading is required */
299 New(0, d, len*3+UTF8_MAXLEN, U8);
309 if ((uv = swash_fetch(rv, s)) < none) {
312 d = uv_to_utf8(d, uv);
314 else if (uv == none) {
320 else if (uv == extra) {
324 d = uv_to_utf8(d, final);
330 STRLEN clen = d - dstart;
331 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
333 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
334 Renew(dstart, nlen+UTF8_MAXLEN, U8);
336 dend = dstart + nlen;
339 if (grows || hibit) {
340 sv_setpvn(sv, (char*)dstart, d - dstart);
347 SvCUR_set(sv, d - dstart);
351 if (!isutf8 && !(PL_hints & HINT_UTF8))
352 sv_utf8_downgrade(sv, TRUE);
358 S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */
365 SV* rv = (SV*)cSVOP->op_sv;
366 HV* hv = (HV*)SvRV(rv);
367 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
368 UV none = svp ? SvUV(*svp) : 0x7fffffff;
372 s = (U8*)SvPV(sv, len);
374 U8 *t = s, *e = s + len;
376 if ((hibit = !UTF8_IS_ASCII(*t++)))
379 start = s = bytes_to_utf8(s, &len);
384 if ((uv = swash_fetch(rv, s)) < none)
395 S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */
401 I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
402 I32 del = PL_op->op_private & OPpTRANS_DELETE;
403 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
404 SV* rv = (SV*)cSVOP->op_sv;
405 HV* hv = (HV*)SvRV(rv);
406 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
407 UV none = svp ? SvUV(*svp) : 0x7fffffff;
416 s = (U8*)SvPV(sv, len);
419 U8 *t = s, *e = s + len;
421 if ((hibit = !UTF8_IS_ASCII(*t++)))
424 s = bytes_to_utf8(s, &len);
429 svp = hv_fetch(hv, "FINAL", 5, FALSE);
434 /* d needs to be bigger than s, in case e.g. upgrading is required */
435 New(0, d, len*3+UTF8_MAXLEN, U8);
447 uv = swash_fetch(rv, s);
450 STRLEN clen = d - dstart;
451 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
453 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
454 Renew(dstart, nlen+UTF8_MAXLEN, U8);
456 dend = dstart + nlen;
461 d = uv_to_utf8(d, uv);
467 else if (uv == none) { /* "none" is unmapped character */
475 else if (uv == extra && !del) {
478 d = uv_to_utf8(d, final);
484 matches++; /* "none+1" is delete character */
490 uv = swash_fetch(rv, s);
492 STRLEN clen = d - dstart;
493 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
495 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
496 Renew(dstart, nlen+UTF8_MAXLEN, U8);
498 dend = dstart + nlen;
502 d = uv_to_utf8(d, uv);
506 else if (uv == none) { /* "none" is unmapped character */
513 else if (uv == extra && !del) {
515 d = uv_to_utf8(d, final);
519 matches++; /* "none+1" is delete character */
523 if (grows || hibit) {
524 sv_setpvn(sv, (char*)dstart, d - dstart);
531 SvCUR_set(sv, d - dstart);
534 if (!isutf8 && !(PL_hints & HINT_UTF8))
535 sv_utf8_downgrade(sv, TRUE);
542 Perl_do_trans(pTHX_ SV *sv)
545 I32 hasutf = (PL_op->op_private &
546 (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
548 if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
549 Perl_croak(aTHX_ PL_no_modify);
555 (void)SvPV_force(sv, len);
556 if (!(PL_op->op_private & OPpTRANS_IDENTICAL))
557 (void)SvPOK_only_UTF8(sv);
559 DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
561 switch (PL_op->op_private & ~hasutf & 63) {
564 return do_trans_simple_utf8(sv);
566 return do_trans_simple(sv);
568 case OPpTRANS_IDENTICAL:
570 return do_trans_count_utf8(sv);
572 return do_trans_count(sv);
576 return do_trans_complex_utf8(sv);
578 return do_trans_complex(sv);
583 Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
586 register I32 items = sp - mark;
589 register char *delim = SvPV(del, delimlen);
593 len = (items > 0 ? (delimlen * (items - 1) ) : 0);
594 (void)SvUPGRADE(sv, SVt_PV);
595 if (SvLEN(sv) < len + items) { /* current length is way too short */
596 while (items-- > 0) {
597 if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
603 SvGROW(sv, len + 1); /* so try to pre-extend */
619 for (; items > 0; items--,mark++) {
625 for (; items > 0; items--,mark++)
632 Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
635 char *pat = SvPV(*sarg, patlen);
636 bool do_taint = FALSE;
638 sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
644 /* currently converts input to bytes if possible, but doesn't sweat failure */
646 Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
649 unsigned char *s = (unsigned char *) SvPV(sv, srclen);
654 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
655 Perl_croak(aTHX_ "Illegal number of bits in vec");
658 (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
660 offset *= size; /* turn into bit offset */
661 len = (offset + size + 7) / 8; /* required number of bytes */
666 offset >>= 3; /* turn into byte offset */
668 if (offset >= srclen)
671 retnum = (UV) s[offset] << 8;
673 else if (size == 32) {
674 if (offset >= srclen)
676 else if (offset + 1 >= srclen)
678 ((UV) s[offset ] << 24);
679 else if (offset + 2 >= srclen)
681 ((UV) s[offset ] << 24) +
682 ((UV) s[offset + 1] << 16);
685 ((UV) s[offset ] << 24) +
686 ((UV) s[offset + 1] << 16) +
687 ( s[offset + 2] << 8);
690 else if (size == 64) {
691 if (ckWARN(WARN_PORTABLE))
692 Perl_warner(aTHX_ WARN_PORTABLE,
693 "Bit vector size > 32 non-portable");
694 if (offset >= srclen)
696 else if (offset + 1 >= srclen)
698 (UV) s[offset ] << 56;
699 else if (offset + 2 >= srclen)
701 ((UV) s[offset ] << 56) +
702 ((UV) s[offset + 1] << 48);
703 else if (offset + 3 >= srclen)
705 ((UV) s[offset ] << 56) +
706 ((UV) s[offset + 1] << 48) +
707 ((UV) s[offset + 2] << 40);
708 else if (offset + 4 >= srclen)
710 ((UV) s[offset ] << 56) +
711 ((UV) s[offset + 1] << 48) +
712 ((UV) s[offset + 2] << 40) +
713 ((UV) s[offset + 3] << 32);
714 else if (offset + 5 >= srclen)
716 ((UV) s[offset ] << 56) +
717 ((UV) s[offset + 1] << 48) +
718 ((UV) s[offset + 2] << 40) +
719 ((UV) s[offset + 3] << 32) +
720 ( s[offset + 4] << 24);
721 else if (offset + 6 >= srclen)
723 ((UV) s[offset ] << 56) +
724 ((UV) s[offset + 1] << 48) +
725 ((UV) s[offset + 2] << 40) +
726 ((UV) s[offset + 3] << 32) +
727 ((UV) s[offset + 4] << 24) +
728 ((UV) s[offset + 5] << 16);
731 ((UV) s[offset ] << 56) +
732 ((UV) s[offset + 1] << 48) +
733 ((UV) s[offset + 2] << 40) +
734 ((UV) s[offset + 3] << 32) +
735 ((UV) s[offset + 4] << 24) +
736 ((UV) s[offset + 5] << 16) +
737 ( s[offset + 6] << 8);
743 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
745 offset >>= 3; /* turn into byte offset */
750 ((UV) s[offset] << 8) +
754 ((UV) s[offset ] << 24) +
755 ((UV) s[offset + 1] << 16) +
756 ( s[offset + 2] << 8) +
759 else if (size == 64) {
760 if (ckWARN(WARN_PORTABLE))
761 Perl_warner(aTHX_ WARN_PORTABLE,
762 "Bit vector size > 32 non-portable");
764 ((UV) s[offset ] << 56) +
765 ((UV) s[offset + 1] << 48) +
766 ((UV) s[offset + 2] << 40) +
767 ((UV) s[offset + 3] << 32) +
768 ((UV) s[offset + 4] << 24) +
769 ((UV) s[offset + 5] << 16) +
770 ( s[offset + 6] << 8) +
779 /* currently converts input to bytes if possible but doesn't sweat failures,
780 * although it does ensure that the string it clobbers is not marked as
781 * utf8-valid any more
784 Perl_do_vecset(pTHX_ SV *sv)
786 SV *targ = LvTARG(sv);
789 register unsigned char *s;
797 s = (unsigned char*)SvPV_force(targ, targlen);
799 /* This is handled by the SvPOK_only below...
800 if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
803 (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
806 (void)SvPOK_only(targ);
808 offset = LvTARGOFF(sv);
810 Perl_croak(aTHX_ "Assigning to negative offset in vec");
811 size = LvTARGLEN(sv);
812 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
813 Perl_croak(aTHX_ "Illegal number of bits in vec");
815 offset *= size; /* turn into bit offset */
816 len = (offset + size + 7) / 8; /* required number of bytes */
818 s = (unsigned char*)SvGROW(targ, len + 1);
819 (void)memzero((char *)(s + targlen), len - targlen + 1);
820 SvCUR_set(targ, len);
824 mask = (1 << size) - 1;
827 offset >>= 3; /* turn into byte offset */
828 s[offset] &= ~(mask << size);
829 s[offset] |= lval << size;
832 offset >>= 3; /* turn into byte offset */
834 s[offset ] = lval & 0xff;
835 else if (size == 16) {
836 s[offset ] = (lval >> 8) & 0xff;
837 s[offset+1] = lval & 0xff;
839 else if (size == 32) {
840 s[offset ] = (lval >> 24) & 0xff;
841 s[offset+1] = (lval >> 16) & 0xff;
842 s[offset+2] = (lval >> 8) & 0xff;
843 s[offset+3] = lval & 0xff;
846 else if (size == 64) {
847 if (ckWARN(WARN_PORTABLE))
848 Perl_warner(aTHX_ WARN_PORTABLE,
849 "Bit vector size > 32 non-portable");
850 s[offset ] = (lval >> 56) & 0xff;
851 s[offset+1] = (lval >> 48) & 0xff;
852 s[offset+2] = (lval >> 40) & 0xff;
853 s[offset+3] = (lval >> 32) & 0xff;
854 s[offset+4] = (lval >> 24) & 0xff;
855 s[offset+5] = (lval >> 16) & 0xff;
856 s[offset+6] = (lval >> 8) & 0xff;
857 s[offset+7] = lval & 0xff;
865 Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
870 if (SvTYPE(sv) == SVt_PVAV) {
875 for (i = 0; i <= max; i++) {
876 sv = (SV*)av_fetch(av, i, FALSE);
877 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
882 else if (SvTYPE(sv) == SVt_PVHV) {
885 (void)hv_iterinit(hv);
887 while ((entry = hv_iternext(hv)))
888 do_chop(astr,hv_iterval(hv,entry));
891 else if (SvREADONLY(sv))
892 Perl_croak(aTHX_ PL_no_modify);
894 if (len && !SvPOK(sv))
895 s = SvPV_force(sv, len);
898 char *send = s + len;
901 while (s > start && UTF8_IS_CONTINUATION(*s))
903 if (utf8_to_uv_simple((U8*)s, 0)) {
904 sv_setpvn(astr, s, send - s);
906 SvCUR_set(sv, s - start);
912 sv_setpvn(astr, "", 0);
916 sv_setpvn(astr, s, 1);
923 sv_setpvn(astr, "", 0);
928 Perl_do_chomp(pTHX_ register SV *sv)
939 if (SvTYPE(sv) == SVt_PVAV) {
944 for (i = 0; i <= max; i++) {
945 sv = (SV*)av_fetch(av, i, FALSE);
946 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
947 count += do_chomp(sv);
951 else if (SvTYPE(sv) == SVt_PVHV) {
954 (void)hv_iterinit(hv);
956 while ((entry = hv_iternext(hv)))
957 count += do_chomp(hv_iterval(hv,entry));
960 else if (SvREADONLY(sv))
961 Perl_croak(aTHX_ PL_no_modify);
963 if (len && !SvPOKp(sv))
964 s = SvPV_force(sv, len);
971 while (len && s[-1] == '\n') {
979 char *rsptr = SvPV(PL_rs, rslen);
990 if (memNE(s, rsptr, rslen))
1005 Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
1021 bool left_utf = DO_UTF8(left);
1022 bool right_utf = DO_UTF8(right);
1025 if (left_utf && !right_utf)
1026 sv_utf8_upgrade(right);
1027 else if (!left_utf && right_utf)
1028 sv_utf8_upgrade(left);
1030 if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
1031 sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
1032 lsave = lc = SvPV(left, leftlen);
1033 rsave = rc = SvPV(right, rightlen);
1034 len = leftlen < rightlen ? leftlen : rightlen;
1036 if ((left_utf || right_utf) && (sv == left || sv == right)) {
1037 needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
1038 Newz(801, dc, needlen + 1, char);
1040 else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
1042 dc = SvPV_force(sv, n_a);
1043 if (SvCUR(sv) < len) {
1044 dc = SvGROW(sv, len + 1);
1045 (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
1047 if (optype != OP_BIT_AND && (left_utf || right_utf))
1048 dc = SvGROW(sv, leftlen + rightlen + 1);
1051 needlen = ((optype == OP_BIT_AND)
1052 ? len : (leftlen > rightlen ? leftlen : rightlen));
1053 Newz(801, dc, needlen + 1, char);
1054 (void)sv_usepvn(sv, dc, needlen);
1055 dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
1058 (void)SvPOK_only(sv);
1059 if (left_utf || right_utf) {
1062 STRLEN lulen = leftlen;
1063 STRLEN rulen = rightlen;
1068 while (lulen && rulen) {
1069 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1072 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1076 dc = (char*)uv_to_utf8((U8*)dc, duc);
1078 if (sv == left || sv == right)
1079 (void)sv_usepvn(sv, dcsave, needlen);
1080 SvCUR_set(sv, dc - dcsave);
1083 while (lulen && rulen) {
1084 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1087 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1091 dc = (char*)uv_to_utf8((U8*)dc, duc);
1095 while (lulen && rulen) {
1096 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1099 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1103 dc = (char*)uv_to_utf8((U8*)dc, duc);
1106 if (sv == left || sv == right)
1107 (void)sv_usepvn(sv, dcsave, needlen);
1108 SvCUR_set(sv, dc - dcsave);
1110 sv_catpvn(sv, rc, rulen);
1112 sv_catpvn(sv, lc, lulen);
1122 if (len >= sizeof(long)*4 &&
1123 !((long)dc % sizeof(long)) &&
1124 !((long)lc % sizeof(long)) &&
1125 !((long)rc % sizeof(long))) /* It's almost always aligned... */
1127 I32 remainder = len % (sizeof(long)*4);
1128 len /= (sizeof(long)*4);
1137 *dl++ = *ll++ & *rl++;
1138 *dl++ = *ll++ & *rl++;
1139 *dl++ = *ll++ & *rl++;
1140 *dl++ = *ll++ & *rl++;
1145 *dl++ = *ll++ ^ *rl++;
1146 *dl++ = *ll++ ^ *rl++;
1147 *dl++ = *ll++ ^ *rl++;
1148 *dl++ = *ll++ ^ *rl++;
1153 *dl++ = *ll++ | *rl++;
1154 *dl++ = *ll++ | *rl++;
1155 *dl++ = *ll++ | *rl++;
1156 *dl++ = *ll++ | *rl++;
1171 *dc++ = *lc++ & *rc++;
1175 *dc++ = *lc++ ^ *rc++;
1179 *dc++ = *lc++ | *rc++;
1183 sv_catpvn(sv, rsave + len, rightlen - len);
1184 else if (leftlen > len)
1185 sv_catpvn(sv, lsave + len, leftlen - len);
1203 I32 gimme = GIMME_V;
1204 I32 dokeys = (PL_op->op_type == OP_KEYS);
1205 I32 dovalues = (PL_op->op_type == OP_VALUES);
1206 I32 realhv = (SvTYPE(hv) == SVt_PVHV);
1208 if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
1209 dokeys = dovalues = TRUE;
1212 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
1213 dTARGET; /* make sure to clear its target here */
1214 if (SvTYPE(TARG) == SVt_PVLV)
1215 LvTARG(TARG) = Nullsv;
1221 keys = realhv ? hv : avhv_keys((AV*)hv);
1222 (void)hv_iterinit(keys); /* always reset iterator regardless */
1224 if (gimme == G_VOID)
1227 if (gimme == G_SCALAR) {
1231 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
1232 if (SvTYPE(TARG) < SVt_PVLV) {
1233 sv_upgrade(TARG, SVt_PVLV);
1234 sv_magic(TARG, Nullsv, 'k', Nullch, 0);
1237 if (LvTARG(TARG) != (SV*)keys) {
1239 SvREFCNT_dec(LvTARG(TARG));
1240 LvTARG(TARG) = SvREFCNT_inc(keys);
1246 if (! SvTIED_mg((SV*)keys, 'P'))
1251 while (hv_iternext(keys)) i++;
1257 EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
1259 PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
1260 while ((entry = hv_iternext(keys))) {
1263 XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
1267 hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
1268 DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
1269 (unsigned long)HeHASH(entry),
1271 (unsigned long)(HeHASH(entry) & HvMAX(keys))));