3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 * 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
12 * 'So that was the job I felt I had to do when I started,' thought Sam.
14 * [p.934 of _The Lord of the Rings_, VI/iii: "Mount Doom"]
17 /* This file contains some common functions needed to carry out certain
18 * ops. For example, both pp_sprintf() and pp_prtf() call the function
19 * do_sprintf() found in this file.
23 #define PERL_IN_DOOP_C
31 S_do_trans_simple(pTHX_ SV * const sv)
35 U8 *s = (U8*)SvPV_nomg(sv,len);
36 U8 * const send = s+len;
37 const short * const tbl = (short*)cPVOP->op_pv;
39 PERL_ARGS_ASSERT_DO_TRANS_SIMPLE;
42 Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__);
44 /* First, take care of non-UTF-8 input strings, because they're easy */
47 const I32 ch = tbl[*s];
57 const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
61 /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
71 /* Need to check this, otherwise 128..255 won't match */
72 const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT);
73 if (c < 0x100 && (ch = tbl[c]) >= 0) {
75 d = uvchr_to_utf8(d, ch);
78 else { /* No match -> copy */
85 sv_setpvn(sv, (char*)dstart, d - dstart);
90 SvCUR_set(sv, d - dstart);
99 S_do_trans_count(pTHX_ SV * const sv)
102 const U8 *s = (const U8*)SvPV_nomg_const(sv, len);
103 const U8 * const send = s + len;
105 const short * const tbl = (short*)cPVOP->op_pv;
107 PERL_ARGS_ASSERT_DO_TRANS_COUNT;
110 Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__);
119 const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
122 const UV c = utf8n_to_uvchr(s, send - s, &ulen, UTF8_ALLOW_DEFAULT);
126 } else if (complement)
136 S_do_trans_complex(pTHX_ SV * const sv)
139 U8 *s = (U8*)SvPV_nomg(sv, len);
140 U8 * const send = s+len;
142 const short * const tbl = (short*)cPVOP->op_pv;
144 PERL_ARGS_ASSERT_DO_TRANS_COMPLEX;
147 Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__);
151 U8 * const dstart = d;
153 if (PL_op->op_private & OPpTRANS_SQUASH) {
156 const I32 ch = tbl[*s];
160 if (p != d - 1 || *p != *d)
163 else if (ch == -1) /* -1 is unmapped character */
165 else if (ch == -2) /* -2 is delete character */
172 const I32 ch = tbl[*s];
177 else if (ch == -1) /* -1 is unmapped character */
179 else if (ch == -2) /* -2 is delete character */
185 SvCUR_set(sv, d - dstart);
188 const I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
189 const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
190 const I32 del = PL_op->op_private & OPpTRANS_DELETE;
196 Newx(d, len*2+1, U8);
200 if (complement && !del)
203 if (PL_op->op_private & OPpTRANS_SQUASH) {
207 const UV comp = utf8n_to_uvchr(s, send - s, &len,
219 ch = (rlen == 0) ? (I32)comp :
220 (comp - 0x100 < rlen) ?
221 tbl[comp+1] : tbl[0x100+rlen];
223 d = uvchr_to_utf8(d, ch);
231 else if ((ch = tbl[comp]) >= 0) {
234 d = uvchr_to_utf8(d, ch);
240 else if (ch == -1) { /* -1 is unmapped character */
244 else if (ch == -2) /* -2 is delete character */
253 const UV comp = utf8n_to_uvchr(s, send - s, &len,
264 if (comp - 0x100 < rlen)
265 d = uvchr_to_utf8(d, tbl[comp+1]);
267 d = uvchr_to_utf8(d, tbl[0x100+rlen]);
271 else if ((ch = tbl[comp]) >= 0) {
272 d = uvchr_to_utf8(d, ch);
275 else if (ch == -1) { /* -1 is unmapped character */
279 else if (ch == -2) /* -2 is delete character */
285 sv_setpvn(sv, (char*)dstart, d - dstart);
290 SvCUR_set(sv, d - dstart);
299 S_do_trans_simple_utf8(pTHX_ SV * const sv)
307 const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
311 PAD_SVl(cPADOP->op_padix);
313 MUTABLE_SV(cSVOP->op_sv);
315 HV* const hv = MUTABLE_HV(SvRV(rv));
316 SV* const * svp = hv_fetchs(hv, "NONE", FALSE);
317 const UV none = svp ? SvUV(*svp) : 0x7fffffff;
318 const UV extra = none + 1;
322 PERL_ARGS_ASSERT_DO_TRANS_SIMPLE_UTF8;
324 s = (U8*)SvPV_nomg(sv, len);
327 const U8 * const e = s + len;
330 hibit = !NATIVE_BYTE_IS_INVARIANT(ch);
332 s = bytes_to_utf8(s, &len);
340 svp = hv_fetchs(hv, "FINAL", FALSE);
345 /* d needs to be bigger than s, in case e.g. upgrading is required */
346 Newx(d, len * 3 + UTF8_MAXBYTES, U8);
356 const UV uv = swash_fetch(rv, s, TRUE);
360 d = uvchr_to_utf8(d, uv);
362 else if (uv == none) {
363 const int i = UTF8SKIP(s);
368 else if (uv == extra) {
371 d = uvchr_to_utf8(d, final);
377 const STRLEN clen = d - dstart;
378 const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
380 Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__);
381 Renew(dstart, nlen + UTF8_MAXBYTES, U8);
383 dend = dstart + nlen;
386 if (grows || hibit) {
387 sv_setpvn(sv, (char*)dstart, d - dstart);
394 SvCUR_set(sv, d - dstart);
403 S_do_trans_count_utf8(pTHX_ SV * const sv)
406 const U8 *start = NULL;
412 PAD_SVl(cPADOP->op_padix);
414 MUTABLE_SV(cSVOP->op_sv);
416 HV* const hv = MUTABLE_HV(SvRV(rv));
417 SV* const * const svp = hv_fetchs(hv, "NONE", FALSE);
418 const UV none = svp ? SvUV(*svp) : 0x7fffffff;
419 const UV extra = none + 1;
422 PERL_ARGS_ASSERT_DO_TRANS_COUNT_UTF8;
424 s = (const U8*)SvPV_nomg_const(sv, len);
427 const U8 * const e = s + len;
430 hibit = !NATIVE_BYTE_IS_INVARIANT(ch);
432 start = s = bytes_to_utf8(s, &len);
440 const UV uv = swash_fetch(rv, s, TRUE);
441 if (uv < none || uv == extra)
452 S_do_trans_complex_utf8(pTHX_ SV * const sv)
457 const I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
458 const I32 del = PL_op->op_private & OPpTRANS_DELETE;
459 const I32 grows = PL_op->op_private & OPpTRANS_GROWS;
462 PAD_SVl(cPADOP->op_padix);
464 MUTABLE_SV(cSVOP->op_sv);
466 HV * const hv = MUTABLE_HV(SvRV(rv));
467 SV * const *svp = hv_fetchs(hv, "NONE", FALSE);
468 const UV none = svp ? SvUV(*svp) : 0x7fffffff;
469 const UV extra = none + 1;
471 bool havefinal = FALSE;
475 U8 *s = (U8*)SvPV_nomg(sv, len);
477 PERL_ARGS_ASSERT_DO_TRANS_COMPLEX_UTF8;
481 const U8 * const e = s + len;
484 hibit = !NATIVE_BYTE_IS_INVARIANT(ch);
486 s = bytes_to_utf8(s, &len);
494 svp = hv_fetchs(hv, "FINAL", FALSE);
501 /* d needs to be bigger than s, in case e.g. upgrading is required */
502 Newx(d, len * 3 + UTF8_MAXBYTES, U8);
514 UV uv = swash_fetch(rv, s, TRUE);
517 const STRLEN clen = d - dstart;
518 const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
520 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
521 Renew(dstart, nlen + UTF8_MAXBYTES, U8);
523 dend = dstart + nlen;
529 d = uvchr_to_utf8(d, uv);
534 else if (uv == none) { /* "none" is unmapped character */
535 const int i = UTF8SKIP(s);
542 else if (uv == extra && !del) {
547 d = uvchr_to_utf8(d, final);
553 uv = utf8n_to_uvchr(s, send - s, &len, UTF8_ALLOW_DEFAULT);
563 matches++; /* "none+1" is delete character */
569 const UV uv = swash_fetch(rv, s, TRUE);
571 const STRLEN clen = d - dstart;
572 const STRLEN nlen = dend - dstart + len + UTF8_MAXBYTES;
574 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
575 Renew(dstart, nlen + UTF8_MAXBYTES, U8);
577 dend = dstart + nlen;
582 d = uvchr_to_utf8(d, uv);
585 else if (uv == none) { /* "none" is unmapped character */
586 const int i = UTF8SKIP(s);
592 else if (uv == extra && !del) {
595 d = uvchr_to_utf8(d, final);
598 matches++; /* "none+1" is delete character */
602 if (grows || hibit) {
603 sv_setpvn(sv, (char*)dstart, d - dstart);
610 SvCUR_set(sv, d - dstart);
619 Perl_do_trans(pTHX_ SV *sv)
622 const I32 flags = PL_op->op_private;
623 const I32 hasutf = flags & (OPpTRANS_FROM_UTF | OPpTRANS_TO_UTF);
625 PERL_ARGS_ASSERT_DO_TRANS;
627 if (SvREADONLY(sv) && !(flags & OPpTRANS_IDENTICAL)) {
628 Perl_croak_no_modify();
630 (void)SvPV_const(sv, len);
633 if (!(flags & OPpTRANS_IDENTICAL)) {
634 if (!SvPOKp(sv) || SvTHINKFIRST(sv))
635 (void)SvPV_force_nomg(sv, len);
636 (void)SvPOK_only_UTF8(sv);
639 DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
641 /* If we use only OPpTRANS_IDENTICAL to bypass the READONLY check,
642 * we must also rely on it to choose the readonly strategy.
644 if (flags & OPpTRANS_IDENTICAL) {
645 return hasutf ? do_trans_count_utf8(sv) : do_trans_count(sv);
646 } else if (flags & (OPpTRANS_SQUASH|OPpTRANS_DELETE|OPpTRANS_COMPLEMENT)) {
647 return hasutf ? do_trans_complex_utf8(sv) : do_trans_complex(sv);
649 return hasutf ? do_trans_simple_utf8(sv) : do_trans_simple(sv);
654 Perl_do_join(pTHX_ SV *sv, SV *delim, SV **mark, SV **sp)
656 SV ** const oldmark = mark;
657 I32 items = sp - mark;
660 const char * const delims = SvPV_const(delim, delimlen);
662 PERL_ARGS_ASSERT_DO_JOIN;
665 len = (items > 0 ? (delimlen * (items - 1) ) : 0);
666 SvUPGRADE(sv, SVt_PV);
667 if (SvLEN(sv) < len + items) { /* current length is way too short */
668 while (items-- > 0) {
669 if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
671 SvPV_const(*mark, tmplen);
676 SvGROW(sv, len + 1); /* so try to pre-extend */
684 /* sv_setpv retains old UTF8ness [perl #24846] */
687 if (TAINTING_get && SvMAGICAL(sv))
697 const U32 delimflag = DO_UTF8(delim) ? SV_CATUTF8 : SV_CATBYTES;
698 for (; items > 0; items--,mark++) {
701 sv_catpvn_flags(sv,delims,delimlen,delimflag);
702 s = SvPV_const(*mark,len);
703 sv_catpvn_flags(sv,s,len,
704 DO_UTF8(*mark) ? SV_CATUTF8 : SV_CATBYTES);
708 for (; items > 0; items--,mark++)
711 const char *s = SvPV_const(*mark,len);
712 sv_catpvn_flags(sv,s,len,
713 DO_UTF8(*mark) ? SV_CATUTF8 : SV_CATBYTES);
720 Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
723 const char * const pat = SvPV_const(*sarg, patlen);
724 bool do_taint = FALSE;
726 PERL_ARGS_ASSERT_DO_SPRINTF;
728 if (SvTAINTED(*sarg))
730 (PL_op && PL_op->op_type < OP_max)
731 ? (PL_op->op_type == OP_PRTF)
733 : PL_op_name[PL_op->op_type]
739 sv_vsetpvfn(sv, pat, patlen, NULL, sarg + 1, len - 1, &do_taint);
745 /* currently converts input to bytes if possible, but doesn't sweat failure */
747 Perl_do_vecget(pTHX_ SV *sv, SSize_t offset, int size)
749 STRLEN srclen, len, uoffset, bitoffs = 0;
750 const I32 svpv_flags = ((PL_op->op_flags & OPf_MOD || LVRET)
751 ? SV_UNDEF_RETURNS_NULL : 0);
752 unsigned char *s = (unsigned char *)
753 SvPV_flags(sv, srclen, (svpv_flags|SV_GMAGIC));
757 s = (unsigned char *)"";
760 PERL_ARGS_ASSERT_DO_VECGET;
764 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
765 Perl_croak(aTHX_ "Illegal number of bits in vec");
768 (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
769 /* PVX may have changed */
770 s = (unsigned char *) SvPV_flags(sv, srclen, svpv_flags);
774 bitoffs = ((offset%8)*size)%8;
775 uoffset = offset/(8/size);
778 uoffset = offset*(size/8);
782 len = uoffset + (bitoffs + size + 7)/8; /* required number of bytes */
788 if (uoffset >= srclen)
791 retnum = (UV) s[uoffset] << 8;
793 else if (size == 32) {
794 if (uoffset >= srclen)
796 else if (uoffset + 1 >= srclen)
798 ((UV) s[uoffset ] << 24);
799 else if (uoffset + 2 >= srclen)
801 ((UV) s[uoffset ] << 24) +
802 ((UV) s[uoffset + 1] << 16);
805 ((UV) s[uoffset ] << 24) +
806 ((UV) s[uoffset + 1] << 16) +
807 ( s[uoffset + 2] << 8);
810 else if (size == 64) {
811 Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE),
812 "Bit vector size > 32 non-portable");
813 if (uoffset >= srclen)
815 else if (uoffset + 1 >= srclen)
817 (UV) s[uoffset ] << 56;
818 else if (uoffset + 2 >= srclen)
820 ((UV) s[uoffset ] << 56) +
821 ((UV) s[uoffset + 1] << 48);
822 else if (uoffset + 3 >= srclen)
824 ((UV) s[uoffset ] << 56) +
825 ((UV) s[uoffset + 1] << 48) +
826 ((UV) s[uoffset + 2] << 40);
827 else if (uoffset + 4 >= srclen)
829 ((UV) s[uoffset ] << 56) +
830 ((UV) s[uoffset + 1] << 48) +
831 ((UV) s[uoffset + 2] << 40) +
832 ((UV) s[uoffset + 3] << 32);
833 else if (uoffset + 5 >= srclen)
835 ((UV) s[uoffset ] << 56) +
836 ((UV) s[uoffset + 1] << 48) +
837 ((UV) s[uoffset + 2] << 40) +
838 ((UV) s[uoffset + 3] << 32) +
839 ((UV) s[uoffset + 4] << 24);
840 else if (uoffset + 6 >= srclen)
842 ((UV) s[uoffset ] << 56) +
843 ((UV) s[uoffset + 1] << 48) +
844 ((UV) s[uoffset + 2] << 40) +
845 ((UV) s[uoffset + 3] << 32) +
846 ((UV) s[uoffset + 4] << 24) +
847 ((UV) s[uoffset + 5] << 16);
850 ((UV) s[uoffset ] << 56) +
851 ((UV) s[uoffset + 1] << 48) +
852 ((UV) s[uoffset + 2] << 40) +
853 ((UV) s[uoffset + 3] << 32) +
854 ((UV) s[uoffset + 4] << 24) +
855 ((UV) s[uoffset + 5] << 16) +
856 ((UV) s[uoffset + 6] << 8);
862 retnum = (s[uoffset] >> bitoffs) & ((1 << size) - 1);
868 ((UV) s[uoffset] << 8) +
872 ((UV) s[uoffset ] << 24) +
873 ((UV) s[uoffset + 1] << 16) +
874 ( s[uoffset + 2] << 8) +
877 else if (size == 64) {
878 Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE),
879 "Bit vector size > 32 non-portable");
881 ((UV) s[uoffset ] << 56) +
882 ((UV) s[uoffset + 1] << 48) +
883 ((UV) s[uoffset + 2] << 40) +
884 ((UV) s[uoffset + 3] << 32) +
885 ((UV) s[uoffset + 4] << 24) +
886 ((UV) s[uoffset + 5] << 16) +
887 ( s[uoffset + 6] << 8) +
896 /* currently converts input to bytes if possible but doesn't sweat failures,
897 * although it does ensure that the string it clobbers is not marked as
898 * utf8-valid any more
901 Perl_do_vecset(pTHX_ SV *sv)
903 SSize_t offset, bitoffs = 0;
910 SV * const targ = LvTARG(sv);
912 PERL_ARGS_ASSERT_DO_VECSET;
916 s = (unsigned char*)SvPV_force_flags(targ, targlen,
917 SV_GMAGIC | SV_UNDEF_RETURNS_NULL);
919 /* This is handled by the SvPOK_only below...
920 if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
923 (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
926 (void)SvPOK_only(targ);
928 offset = LvTARGOFF(sv);
930 Perl_croak(aTHX_ "Negative offset to vec in lvalue context");
931 size = LvTARGLEN(sv);
932 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
933 Perl_croak(aTHX_ "Illegal number of bits in vec");
936 bitoffs = ((offset%8)*size)%8;
942 len = offset + (bitoffs + size + 7)/8; /* required number of bytes */
944 s = (unsigned char*)SvGROW(targ, len + 1);
945 (void)memzero((char *)(s + targlen), len - targlen + 1);
946 SvCUR_set(targ, len);
950 mask = (1 << size) - 1;
952 s[offset] &= ~(mask << bitoffs);
953 s[offset] |= lval << bitoffs;
957 s[offset ] = (U8)( lval & 0xff);
958 else if (size == 16) {
959 s[offset ] = (U8)((lval >> 8) & 0xff);
960 s[offset+1] = (U8)( lval & 0xff);
962 else if (size == 32) {
963 s[offset ] = (U8)((lval >> 24) & 0xff);
964 s[offset+1] = (U8)((lval >> 16) & 0xff);
965 s[offset+2] = (U8)((lval >> 8) & 0xff);
966 s[offset+3] = (U8)( lval & 0xff);
969 else if (size == 64) {
970 Perl_ck_warner(aTHX_ packWARN(WARN_PORTABLE),
971 "Bit vector size > 32 non-portable");
972 s[offset ] = (U8)((lval >> 56) & 0xff);
973 s[offset+1] = (U8)((lval >> 48) & 0xff);
974 s[offset+2] = (U8)((lval >> 40) & 0xff);
975 s[offset+3] = (U8)((lval >> 32) & 0xff);
976 s[offset+4] = (U8)((lval >> 24) & 0xff);
977 s[offset+5] = (U8)((lval >> 16) & 0xff);
978 s[offset+6] = (U8)((lval >> 8) & 0xff);
979 s[offset+7] = (U8)( lval & 0xff);
987 Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
1005 bool do_warn_above_ff = ckWARN_d(WARN_DEPRECATED);
1008 PERL_ARGS_ASSERT_DO_VOP;
1010 if (sv != left || (optype != OP_BIT_AND && !SvOK(sv)))
1011 sv_setpvs(sv, ""); /* avoid undef warning on |= and ^= */
1013 lsave = lc = SvPV_force_nomg(left, leftlen);
1016 lsave = lc = SvPV_nomg_const(left, leftlen);
1017 SvPV_force_nomg_nolen(sv);
1019 rsave = rc = SvPV_nomg_const(right, rightlen);
1021 /* This needs to come after SvPV to ensure that string overloading has
1024 left_utf = DO_UTF8(left);
1025 right_utf = DO_UTF8(right);
1027 if (left_utf && !right_utf) {
1028 /* Avoid triggering overloading again by using temporaries.
1029 Maybe there should be a variant of sv_utf8_upgrade that takes pvn
1031 right = newSVpvn_flags(rsave, rightlen, SVs_TEMP);
1032 sv_utf8_upgrade(right);
1033 rsave = rc = SvPV_nomg_const(right, rightlen);
1036 else if (!left_utf && right_utf) {
1037 left = newSVpvn_flags(lsave, leftlen, SVs_TEMP);
1038 sv_utf8_upgrade(left);
1039 lsave = lc = SvPV_nomg_const(left, leftlen);
1043 len = leftlen < rightlen ? leftlen : rightlen;
1046 (void)SvPOK_only(sv);
1047 if ((left_utf || right_utf) && (sv == left || sv == right)) {
1048 needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
1049 Newxz(dc, needlen + 1, char);
1051 else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
1052 dc = SvPV_force_nomg_nolen(sv);
1053 if (SvLEN(sv) < len + 1) {
1054 dc = SvGROW(sv, len + 1);
1055 (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
1057 if (optype != OP_BIT_AND && (left_utf || right_utf))
1058 dc = SvGROW(sv, leftlen + rightlen + 1);
1061 needlen = optype == OP_BIT_AND
1062 ? len : (leftlen > rightlen ? leftlen : rightlen);
1063 Newxz(dc, needlen + 1, char);
1064 sv_usepvn_flags(sv, dc, needlen, SV_HAS_TRAILING_NUL);
1065 dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
1067 if (left_utf || right_utf) {
1070 char *dcsave = NULL;
1071 STRLEN lulen = leftlen;
1072 STRLEN rulen = rightlen;
1077 while (lulen && rulen) {
1078 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1081 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1085 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
1086 if (do_warn_above_ff && (luc > 0xff || ruc > 0xff)) {
1087 Perl_warner(aTHX_ packWARN(WARN_DEPRECATED),
1088 deprecated_above_ff_msg, PL_op_desc[optype]);
1089 /* Warn only once per operation */
1090 do_warn_above_ff = FALSE;
1093 if (sv == left || sv == right)
1094 (void)sv_usepvn(sv, dcorig, needlen);
1095 SvCUR_set(sv, dc - dcorig);
1098 while (lulen && rulen) {
1099 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1102 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1106 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
1107 if (do_warn_above_ff && (luc > 0xff || ruc > 0xff)) {
1108 Perl_warner(aTHX_ packWARN(WARN_DEPRECATED),
1109 deprecated_above_ff_msg, PL_op_desc[optype]);
1110 do_warn_above_ff = FALSE;
1115 while (lulen && rulen) {
1116 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
1119 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
1123 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
1124 if (do_warn_above_ff && (luc > 0xff || ruc > 0xff)) {
1125 Perl_warner(aTHX_ packWARN(WARN_DEPRECATED),
1126 deprecated_above_ff_msg, PL_op_desc[optype]);
1127 do_warn_above_ff = FALSE;
1132 dcsave = savepvn(rc, rulen);
1134 dcsave = savepvn(lc, lulen);
1135 if (sv == left || sv == right)
1136 (void)sv_usepvn(sv, dcorig, needlen); /* uses Renew(); defaults to nomg */
1137 SvCUR_set(sv, dc - dcorig);
1139 sv_catpvn_nomg(sv, dcsave, rulen);
1141 sv_catpvn_nomg(sv, dcsave, lulen);
1147 if (sv == left || sv == right)
1149 Perl_croak(aTHX_ "panic: do_vop called for op %u (%s)",
1150 (unsigned)optype, PL_op_name[optype]);
1157 if (len >= sizeof(long)*4 &&
1158 !((unsigned long)dc % sizeof(long)) &&
1159 !((unsigned long)lc % sizeof(long)) &&
1160 !((unsigned long)rc % sizeof(long))) /* It's almost always aligned... */
1162 const STRLEN remainder = len % (sizeof(long)*4);
1163 len /= (sizeof(long)*4);
1172 *dl++ = *ll++ & *rl++;
1173 *dl++ = *ll++ & *rl++;
1174 *dl++ = *ll++ & *rl++;
1175 *dl++ = *ll++ & *rl++;
1180 *dl++ = *ll++ ^ *rl++;
1181 *dl++ = *ll++ ^ *rl++;
1182 *dl++ = *ll++ ^ *rl++;
1183 *dl++ = *ll++ ^ *rl++;
1188 *dl++ = *ll++ | *rl++;
1189 *dl++ = *ll++ | *rl++;
1190 *dl++ = *ll++ | *rl++;
1191 *dl++ = *ll++ | *rl++;
1206 *dc++ = *lc++ & *rc++;
1211 *dc++ = *lc++ ^ *rc++;
1215 *dc++ = *lc++ | *rc++;
1219 sv_catpvn_nomg(sv, rsave + len, rightlen - len);
1220 else if (leftlen > (STRLEN)len)
1221 sv_catpvn_nomg(sv, lsave + len, leftlen - len);
1232 /* used for: pp_keys(), pp_values() */
1238 HV * const keys = MUTABLE_HV(POPs);
1240 SSize_t extend_size;
1241 const U8 gimme = GIMME_V;
1242 const I32 dokv = (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV);
1243 /* op_type is OP_RKEYS/OP_RVALUES if pp_rkeys delegated to here */
1244 const I32 dokeys = dokv || (PL_op->op_type == OP_KEYS);
1245 const I32 dovalues = dokv || (PL_op->op_type == OP_VALUES);
1247 (void)hv_iterinit(keys); /* always reset iterator regardless */
1249 if (gimme == G_VOID)
1252 if (gimme == G_SCALAR) {
1253 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
1254 SV * const ret = sv_2mortal(newSV_type(SVt_PVLV)); /* Not TARG RT#67838 */
1255 sv_magic(ret, NULL, PERL_MAGIC_nkeys, NULL, 0);
1257 LvTARG(ret) = SvREFCNT_inc_simple(keys);
1264 if (! SvTIED_mg((const SV *)keys, PERL_MAGIC_tied) ) {
1265 i = HvUSEDKEYS(keys);
1269 while (hv_iternext(keys)) i++;
1276 /* 2*HvUSEDKEYS() should never be big enough to truncate or wrap */
1277 assert(HvUSEDKEYS(keys) <= (SSize_t_MAX >> 1));
1278 extend_size = (SSize_t)HvUSEDKEYS(keys) * (dokeys + dovalues);
1279 EXTEND(SP, extend_size);
1281 while ((entry = hv_iternext(keys))) {
1283 SV* const sv = hv_iterkeysv(entry);
1287 SV *tmpstr = hv_iterval(keys,entry);
1288 DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
1289 (unsigned long)HeHASH(entry),
1291 (unsigned long)(HeHASH(entry) & HvMAX(keys))));
1299 * ex: set ts=8 sts=4 sw=4 et: