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) {
199 UV comp = utf8_to_uv_simple(s, &len);
201 if (comp > 0xff) { /* always unmapped */
205 else if ((ch = tbl[comp]) >= 0) {
208 d = uv_to_utf8(d, ch);
214 else if (ch == -1) { /* -1 is unmapped character */
218 else if (ch == -2) /* -2 is delete character */
227 UV comp = utf8_to_uv_simple(s, &len);
228 if (comp > 0xff) { /* always unmapped */
232 else if ((ch = tbl[comp]) >= 0) {
233 d = uv_to_utf8(d, ch);
236 else if (ch == -1) { /* -1 is unmapped character */
240 else if (ch == -2) /* -2 is delete character */
246 sv_setpvn(sv, (char*)dstart, d - dstart);
251 SvCUR_set(sv, d - dstart);
260 S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */
268 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
271 SV* rv = (SV*)cSVOP->op_sv;
272 HV* hv = (HV*)SvRV(rv);
273 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
274 UV none = svp ? SvUV(*svp) : 0x7fffffff;
281 s = (U8*)SvPV(sv, len);
284 U8 *t = s, *e = s + len;
286 if ((hibit = UTF8_IS_CONTINUED(*t++)))
289 s = bytes_to_utf8(s, &len);
294 svp = hv_fetch(hv, "FINAL", 5, FALSE);
299 /* d needs to be bigger than s, in case e.g. upgrading is required */
300 New(0, d, len*3+UTF8_MAXLEN, U8);
310 if ((uv = swash_fetch(rv, s)) < none) {
313 d = uv_to_utf8(d, uv);
315 else if (uv == none) {
321 else if (uv == extra) {
325 d = uv_to_utf8(d, final);
331 STRLEN clen = d - dstart;
332 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
334 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
335 Renew(dstart, nlen+UTF8_MAXLEN, U8);
337 dend = dstart + nlen;
340 if (grows || hibit) {
341 sv_setpvn(sv, (char*)dstart, d - dstart);
348 SvCUR_set(sv, d - dstart);
352 if (!isutf8 && !(PL_hints & HINT_UTF8))
353 sv_utf8_downgrade(sv, TRUE);
359 S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */
366 SV* rv = (SV*)cSVOP->op_sv;
367 HV* hv = (HV*)SvRV(rv);
368 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
369 UV none = svp ? SvUV(*svp) : 0x7fffffff;
373 s = (U8*)SvPV(sv, len);
375 U8 *t = s, *e = s + len;
377 if ((hibit = !UTF8_IS_ASCII(*t++)))
380 start = s = bytes_to_utf8(s, &len);
385 if ((uv = swash_fetch(rv, s)) < none)
396 S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */
402 I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
403 I32 del = PL_op->op_private & OPpTRANS_DELETE;
404 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
405 SV* rv = (SV*)cSVOP->op_sv;
406 HV* hv = (HV*)SvRV(rv);
407 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
408 UV none = svp ? SvUV(*svp) : 0x7fffffff;
417 s = (U8*)SvPV(sv, len);
420 U8 *t = s, *e = s + len;
422 if ((hibit = !UTF8_IS_ASCII(*t++)))
425 s = bytes_to_utf8(s, &len);
430 svp = hv_fetch(hv, "FINAL", 5, FALSE);
435 /* d needs to be bigger than s, in case e.g. upgrading is required */
436 New(0, d, len*3+UTF8_MAXLEN, U8);
448 uv = swash_fetch(rv, s);
451 STRLEN clen = d - dstart;
452 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
454 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
455 Renew(dstart, nlen+UTF8_MAXLEN, U8);
457 dend = dstart + nlen;
462 d = uv_to_utf8(d, uv);
468 else if (uv == none) { /* "none" is unmapped character */
476 else if (uv == extra && !del) {
479 d = uv_to_utf8(d, final);
485 matches++; /* "none+1" is delete character */
491 uv = swash_fetch(rv, s);
493 STRLEN clen = d - dstart;
494 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
496 Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
497 Renew(dstart, nlen+UTF8_MAXLEN, U8);
499 dend = dstart + nlen;
503 d = uv_to_utf8(d, uv);
507 else if (uv == none) { /* "none" is unmapped character */
514 else if (uv == extra && !del) {
516 d = uv_to_utf8(d, final);
520 matches++; /* "none+1" is delete character */
524 if (grows || hibit) {
525 sv_setpvn(sv, (char*)dstart, d - dstart);
532 SvCUR_set(sv, d - dstart);
535 if (!isutf8 && !(PL_hints & HINT_UTF8))
536 sv_utf8_downgrade(sv, TRUE);
543 Perl_do_trans(pTHX_ SV *sv)
546 I32 hasutf = (PL_op->op_private &
547 (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
549 if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
550 Perl_croak(aTHX_ PL_no_modify);
556 (void)SvPV_force(sv, len);
557 if (!(PL_op->op_private & OPpTRANS_IDENTICAL))
558 (void)SvPOK_only_UTF8(sv);
560 DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
562 switch (PL_op->op_private & ~hasutf & 63) {
565 return do_trans_simple_utf8(sv);
567 return do_trans_simple(sv);
569 case OPpTRANS_IDENTICAL:
571 return do_trans_count_utf8(sv);
573 return do_trans_count(sv);
577 return do_trans_complex_utf8(sv);
579 return do_trans_complex(sv);
584 Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
587 register I32 items = sp - mark;
590 register char *delim = SvPV(del, delimlen);
594 len = (items > 0 ? (delimlen * (items - 1) ) : 0);
595 (void)SvUPGRADE(sv, SVt_PV);
596 if (SvLEN(sv) < len + items) { /* current length is way too short */
597 while (items-- > 0) {
598 if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
604 SvGROW(sv, len + 1); /* so try to pre-extend */
620 for (; items > 0; items--,mark++) {
626 for (; items > 0; items--,mark++)
633 Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
636 char *pat = SvPV(*sarg, patlen);
637 bool do_taint = FALSE;
639 sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
645 /* currently converts input to bytes if possible, but doesn't sweat failure */
647 Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
650 unsigned char *s = (unsigned char *) SvPV(sv, srclen);
655 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
656 Perl_croak(aTHX_ "Illegal number of bits in vec");
659 (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
661 offset *= size; /* turn into bit offset */
662 len = (offset + size + 7) / 8; /* required number of bytes */
667 offset >>= 3; /* turn into byte offset */
669 if (offset >= srclen)
672 retnum = (UV) s[offset] << 8;
674 else if (size == 32) {
675 if (offset >= srclen)
677 else if (offset + 1 >= srclen)
679 ((UV) s[offset ] << 24);
680 else if (offset + 2 >= srclen)
682 ((UV) s[offset ] << 24) +
683 ((UV) s[offset + 1] << 16);
686 ((UV) s[offset ] << 24) +
687 ((UV) s[offset + 1] << 16) +
688 ( s[offset + 2] << 8);
691 else if (size == 64) {
692 if (ckWARN(WARN_PORTABLE))
693 Perl_warner(aTHX_ WARN_PORTABLE,
694 "Bit vector size > 32 non-portable");
695 if (offset >= srclen)
697 else if (offset + 1 >= srclen)
699 (UV) s[offset ] << 56;
700 else if (offset + 2 >= srclen)
702 ((UV) s[offset ] << 56) +
703 ((UV) s[offset + 1] << 48);
704 else if (offset + 3 >= srclen)
706 ((UV) s[offset ] << 56) +
707 ((UV) s[offset + 1] << 48) +
708 ((UV) s[offset + 2] << 40);
709 else if (offset + 4 >= srclen)
711 ((UV) s[offset ] << 56) +
712 ((UV) s[offset + 1] << 48) +
713 ((UV) s[offset + 2] << 40) +
714 ((UV) s[offset + 3] << 32);
715 else if (offset + 5 >= srclen)
717 ((UV) s[offset ] << 56) +
718 ((UV) s[offset + 1] << 48) +
719 ((UV) s[offset + 2] << 40) +
720 ((UV) s[offset + 3] << 32) +
721 ( s[offset + 4] << 24);
722 else if (offset + 6 >= srclen)
724 ((UV) s[offset ] << 56) +
725 ((UV) s[offset + 1] << 48) +
726 ((UV) s[offset + 2] << 40) +
727 ((UV) s[offset + 3] << 32) +
728 ((UV) s[offset + 4] << 24) +
729 ((UV) s[offset + 5] << 16);
732 ((UV) s[offset ] << 56) +
733 ((UV) s[offset + 1] << 48) +
734 ((UV) s[offset + 2] << 40) +
735 ((UV) s[offset + 3] << 32) +
736 ((UV) s[offset + 4] << 24) +
737 ((UV) s[offset + 5] << 16) +
738 ( s[offset + 6] << 8);
744 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
746 offset >>= 3; /* turn into byte offset */
751 ((UV) s[offset] << 8) +
755 ((UV) s[offset ] << 24) +
756 ((UV) s[offset + 1] << 16) +
757 ( s[offset + 2] << 8) +
760 else if (size == 64) {
761 if (ckWARN(WARN_PORTABLE))
762 Perl_warner(aTHX_ WARN_PORTABLE,
763 "Bit vector size > 32 non-portable");
765 ((UV) s[offset ] << 56) +
766 ((UV) s[offset + 1] << 48) +
767 ((UV) s[offset + 2] << 40) +
768 ((UV) s[offset + 3] << 32) +
769 ((UV) s[offset + 4] << 24) +
770 ((UV) s[offset + 5] << 16) +
771 ( s[offset + 6] << 8) +
780 /* currently converts input to bytes if possible but doesn't sweat failures,
781 * although it does ensure that the string it clobbers is not marked as
782 * utf8-valid any more
785 Perl_do_vecset(pTHX_ SV *sv)
787 SV *targ = LvTARG(sv);
790 register unsigned char *s;
798 s = (unsigned char*)SvPV_force(targ, targlen);
800 /* This is handled by the SvPOK_only below...
801 if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
804 (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
807 (void)SvPOK_only(targ);
809 offset = LvTARGOFF(sv);
811 Perl_croak(aTHX_ "Assigning to negative offset in vec");
812 size = LvTARGLEN(sv);
813 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
814 Perl_croak(aTHX_ "Illegal number of bits in vec");
816 offset *= size; /* turn into bit offset */
817 len = (offset + size + 7) / 8; /* required number of bytes */
819 s = (unsigned char*)SvGROW(targ, len + 1);
820 (void)memzero((char *)(s + targlen), len - targlen + 1);
821 SvCUR_set(targ, len);
825 mask = (1 << size) - 1;
828 offset >>= 3; /* turn into byte offset */
829 s[offset] &= ~(mask << size);
830 s[offset] |= lval << size;
833 offset >>= 3; /* turn into byte offset */
835 s[offset ] = lval & 0xff;
836 else if (size == 16) {
837 s[offset ] = (lval >> 8) & 0xff;
838 s[offset+1] = lval & 0xff;
840 else if (size == 32) {
841 s[offset ] = (lval >> 24) & 0xff;
842 s[offset+1] = (lval >> 16) & 0xff;
843 s[offset+2] = (lval >> 8) & 0xff;
844 s[offset+3] = lval & 0xff;
847 else if (size == 64) {
848 if (ckWARN(WARN_PORTABLE))
849 Perl_warner(aTHX_ WARN_PORTABLE,
850 "Bit vector size > 32 non-portable");
851 s[offset ] = (lval >> 56) & 0xff;
852 s[offset+1] = (lval >> 48) & 0xff;
853 s[offset+2] = (lval >> 40) & 0xff;
854 s[offset+3] = (lval >> 32) & 0xff;
855 s[offset+4] = (lval >> 24) & 0xff;
856 s[offset+5] = (lval >> 16) & 0xff;
857 s[offset+6] = (lval >> 8) & 0xff;
858 s[offset+7] = lval & 0xff;
866 Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
871 if (SvTYPE(sv) == SVt_PVAV) {
876 for (i = 0; i <= max; i++) {
877 sv = (SV*)av_fetch(av, i, FALSE);
878 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
883 else if (SvTYPE(sv) == SVt_PVHV) {
886 (void)hv_iterinit(hv);
888 while ((entry = hv_iternext(hv)))
889 do_chop(astr,hv_iterval(hv,entry));
892 else if (SvREADONLY(sv))
893 Perl_croak(aTHX_ PL_no_modify);
895 if (len && !SvPOK(sv))
896 s = SvPV_force(sv, len);
899 char *send = s + len;
902 while (s > start && UTF8_IS_CONTINUATION(*s))
904 if (utf8_to_uv_simple((U8*)s, 0)) {
905 sv_setpvn(astr, s, send - s);
907 SvCUR_set(sv, s - start);
913 sv_setpvn(astr, "", 0);
917 sv_setpvn(astr, s, 1);
924 sv_setpvn(astr, "", 0);
929 Perl_do_chomp(pTHX_ register SV *sv)
940 if (SvTYPE(sv) == SVt_PVAV) {
945 for (i = 0; i <= max; i++) {
946 sv = (SV*)av_fetch(av, i, FALSE);
947 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
948 count += do_chomp(sv);
952 else if (SvTYPE(sv) == SVt_PVHV) {
955 (void)hv_iterinit(hv);
957 while ((entry = hv_iternext(hv)))
958 count += do_chomp(hv_iterval(hv,entry));
961 else if (SvREADONLY(sv))
962 Perl_croak(aTHX_ PL_no_modify);
964 if (len && !SvPOKp(sv))
965 s = SvPV_force(sv, len);
972 while (len && s[-1] == '\n') {
980 char *rsptr = SvPV(PL_rs, rslen);
991 if (memNE(s, rsptr, rslen))
1006 Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
1022 bool left_utf = DO_UTF8(left);
1023 bool right_utf = DO_UTF8(right);
1026 if (left_utf && !right_utf)
1027 sv_utf8_upgrade(right);
1028 else if (!left_utf && right_utf)
1029 sv_utf8_upgrade(left);
1031 if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
1032 sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
1033 lsave = lc = SvPV(left, leftlen);
1034 rsave = rc = SvPV(right, rightlen);
1035 len = leftlen < rightlen ? leftlen : rightlen;
1037 if ((left_utf || right_utf) && (sv == left || sv == right)) {
1038 needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
1039 Newz(801, dc, needlen + 1, char);
1041 else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
1043 dc = SvPV_force(sv, n_a);
1044 if (SvCUR(sv) < len) {
1045 dc = SvGROW(sv, len + 1);
1046 (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
1048 if (optype != OP_BIT_AND && (left_utf || right_utf))
1049 dc = SvGROW(sv, leftlen + rightlen + 1);
1052 needlen = ((optype == OP_BIT_AND)
1053 ? len : (leftlen > rightlen ? leftlen : rightlen));
1054 Newz(801, dc, needlen + 1, char);
1055 (void)sv_usepvn(sv, dc, needlen);
1056 dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
1059 (void)SvPOK_only(sv);
1060 if (left_utf || right_utf) {
1063 STRLEN lulen = leftlen;
1064 STRLEN rulen = rightlen;
1069 while (lulen && rulen) {
1070 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1073 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1077 dc = (char*)uv_to_utf8((U8*)dc, duc);
1079 if (sv == left || sv == right)
1080 (void)sv_usepvn(sv, dcsave, needlen);
1081 SvCUR_set(sv, dc - dcsave);
1084 while (lulen && rulen) {
1085 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1088 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1092 dc = (char*)uv_to_utf8((U8*)dc, duc);
1096 while (lulen && rulen) {
1097 luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1100 ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1104 dc = (char*)uv_to_utf8((U8*)dc, duc);
1107 if (sv == left || sv == right)
1108 (void)sv_usepvn(sv, dcsave, needlen);
1109 SvCUR_set(sv, dc - dcsave);
1111 sv_catpvn(sv, rc, rulen);
1113 sv_catpvn(sv, lc, lulen);
1123 if (len >= sizeof(long)*4 &&
1124 !((long)dc % sizeof(long)) &&
1125 !((long)lc % sizeof(long)) &&
1126 !((long)rc % sizeof(long))) /* It's almost always aligned... */
1128 I32 remainder = len % (sizeof(long)*4);
1129 len /= (sizeof(long)*4);
1138 *dl++ = *ll++ & *rl++;
1139 *dl++ = *ll++ & *rl++;
1140 *dl++ = *ll++ & *rl++;
1141 *dl++ = *ll++ & *rl++;
1146 *dl++ = *ll++ ^ *rl++;
1147 *dl++ = *ll++ ^ *rl++;
1148 *dl++ = *ll++ ^ *rl++;
1149 *dl++ = *ll++ ^ *rl++;
1154 *dl++ = *ll++ | *rl++;
1155 *dl++ = *ll++ | *rl++;
1156 *dl++ = *ll++ | *rl++;
1157 *dl++ = *ll++ | *rl++;
1172 *dc++ = *lc++ & *rc++;
1176 *dc++ = *lc++ ^ *rc++;
1180 *dc++ = *lc++ | *rc++;
1184 sv_catpvn(sv, rsave + len, rightlen - len);
1185 else if (leftlen > len)
1186 sv_catpvn(sv, lsave + len, leftlen - len);
1204 I32 gimme = GIMME_V;
1205 I32 dokeys = (PL_op->op_type == OP_KEYS);
1206 I32 dovalues = (PL_op->op_type == OP_VALUES);
1207 I32 realhv = (SvTYPE(hv) == SVt_PVHV);
1209 if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
1210 dokeys = dovalues = TRUE;
1213 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
1214 dTARGET; /* make sure to clear its target here */
1215 if (SvTYPE(TARG) == SVt_PVLV)
1216 LvTARG(TARG) = Nullsv;
1222 keys = realhv ? hv : avhv_keys((AV*)hv);
1223 (void)hv_iterinit(keys); /* always reset iterator regardless */
1225 if (gimme == G_VOID)
1228 if (gimme == G_SCALAR) {
1232 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
1233 if (SvTYPE(TARG) < SVt_PVLV) {
1234 sv_upgrade(TARG, SVt_PVLV);
1235 sv_magic(TARG, Nullsv, 'k', Nullch, 0);
1238 if (LvTARG(TARG) != (SV*)keys) {
1240 SvREFCNT_dec(LvTARG(TARG));
1241 LvTARG(TARG) = SvREFCNT_inc(keys);
1247 if (! SvTIED_mg((SV*)keys, 'P'))
1252 while (hv_iternext(keys)) i++;
1258 EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
1260 PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
1261 while ((entry = hv_iternext(keys))) {
1264 XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
1268 hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
1269 DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
1270 (unsigned long)HeHASH(entry),
1272 (unsigned long)(HeHASH(entry) & HvMAX(keys))));