X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=sv.c;h=997a3a8b261d1f8d8cabfabbf3eeef7fa0d96714;hb=29bdacb8f1686adf0d6e73a4e2fd7fb9becf6eab;hp=8713bf68a09d15c715669fe2fa6b3af6e9020cc5;hpb=acfe0abcedaf592fb4b9cb69ce3468308ae99d91;p=p5sagit%2Fp5-mst-13.2.git diff --git a/sv.c b/sv.c index 8713bf6..997a3a8 100644 --- a/sv.c +++ b/sv.c @@ -123,7 +123,7 @@ Private API to rest of sv.c Public API: - sv_report_used(), sv_clean_objs(), sv_clean_all(), sv_free_arenas() + sv_report_used(), sv_clean_objs(), sv_clean_all(), sv_free_arenas() =cut @@ -1756,61 +1756,70 @@ Perl_sv_setnv_mg(pTHX_ register SV *sv, NV num) STATIC void S_not_a_number(pTHX_ SV *sv) { - char tmpbuf[64]; - char *d = tmpbuf; - char *limit = tmpbuf + sizeof(tmpbuf) - 8; - /* each *s can expand to 4 chars + "...\0", - i.e. need room for 8 chars */ - - char *s, *end; - for (s = SvPVX(sv), end = s + SvCUR(sv); s < end && d < limit; s++) { - int ch = *s & 0xFF; - if (ch & 128 && !isPRINT_LC(ch)) { - *d++ = 'M'; - *d++ = '-'; - ch &= 127; - } - if (ch == '\n') { - *d++ = '\\'; - *d++ = 'n'; - } - else if (ch == '\r') { - *d++ = '\\'; - *d++ = 'r'; - } - else if (ch == '\f') { - *d++ = '\\'; - *d++ = 'f'; - } - else if (ch == '\\') { - *d++ = '\\'; - *d++ = '\\'; - } - else if (ch == '\0') { - *d++ = '\\'; - *d++ = '0'; - } - else if (isPRINT_LC(ch)) - *d++ = ch; - else { - *d++ = '^'; - *d++ = toCTRL(ch); - } + SV *dsv; + char tmpbuf[64]; + char *pv; + + if (DO_UTF8(sv)) { + dsv = sv_2mortal(newSVpv("", 0)); + pv = sv_uni_display(dsv, sv, 10, 0); + } else { + char *d = tmpbuf; + char *limit = tmpbuf + sizeof(tmpbuf) - 8; + /* each *s can expand to 4 chars + "...\0", + i.e. need room for 8 chars */ + + char *s, *end; + for (s = SvPVX(sv), end = s + SvCUR(sv); s < end && d < limit; s++) { + int ch = *s & 0xFF; + if (ch & 128 && !isPRINT_LC(ch)) { + *d++ = 'M'; + *d++ = '-'; + ch &= 127; + } + if (ch == '\n') { + *d++ = '\\'; + *d++ = 'n'; + } + else if (ch == '\r') { + *d++ = '\\'; + *d++ = 'r'; + } + else if (ch == '\f') { + *d++ = '\\'; + *d++ = 'f'; + } + else if (ch == '\\') { + *d++ = '\\'; + *d++ = '\\'; + } + else if (ch == '\0') { + *d++ = '\\'; + *d++ = '0'; + } + else if (isPRINT_LC(ch)) + *d++ = ch; + else { + *d++ = '^'; + *d++ = toCTRL(ch); + } + } + if (s < end) { + *d++ = '.'; + *d++ = '.'; + *d++ = '.'; + } + *d = '\0'; + pv = tmpbuf; } - if (s < end) { - *d++ = '.'; - *d++ = '.'; - *d++ = '.'; - } - *d = '\0'; if (PL_op) Perl_warner(aTHX_ WARN_NUMERIC, - "Argument \"%s\" isn't numeric in %s", tmpbuf, - OP_DESC(PL_op)); + "Argument \"%s\" isn't numeric in %s", pv, + OP_DESC(PL_op)); else Perl_warner(aTHX_ WARN_NUMERIC, - "Argument \"%s\" isn't numeric", tmpbuf); + "Argument \"%s\" isn't numeric", pv); } /* @@ -2154,7 +2163,7 @@ Perl_sv_2iv(pTHX_ register SV *sv) SvIVX(sv) = -(IV)value; } else { /* Too negative for an IV. This is a double upgrade, but - I'm assuming it will be be rare. */ + I'm assuming it will be rare. */ if (SvTYPE(sv) < SVt_PVNV) sv_upgrade(sv, SVt_PVNV); SvNOK_on(sv); @@ -2445,7 +2454,7 @@ Perl_sv_2uv(pTHX_ register SV *sv) SvIVX(sv) = -(IV)value; } else { /* Too negative for an IV. This is a double upgrade, but - I'm assuming it will be be rare. */ + I'm assuming it will be rare. */ if (SvTYPE(sv) < SVt_PVNV) sv_upgrade(sv, SVt_PVNV); SvNOK_on(sv); @@ -2995,8 +3004,15 @@ Perl_sv_2pv_flags(pTHX_ register SV *sv, STRLEN *lp, I32 flags) default: s = "UNKNOWN"; break; } tsv = NEWSV(0,0); - if (SvOBJECT(sv)) - Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); + if (SvOBJECT(sv)) { + HV *svs = SvSTASH(sv); + Perl_sv_setpvf( + aTHX_ tsv, "%s=%s", + /* [20011101.072] This bandaid for C + should eventually be removed. AMS 20011103 */ + (svs ? HvNAME(svs) : ""), s + ); + } else sv_setpv(tsv, s); Perl_sv_catpvf(aTHX_ tsv, "(0x%"UVxf")", PTR2UV(sv)); @@ -3198,7 +3214,7 @@ Perl_sv_2pvutf8(pTHX_ register SV *sv, STRLEN *lp) =for apidoc sv_2bool This function is only called on magical items, and is only used by -sv_true() or its macro equivalent. +sv_true() or its macro equivalent. =cut */ @@ -3293,30 +3309,34 @@ Perl_sv_utf8_upgrade_flags(pTHX_ register SV *sv, I32 flags) sv_force_normal(sv); } - /* This function could be much more efficient if we had a FLAG in SVs - * to signal if there are any hibit chars in the PV. - * Given that there isn't make loop fast as possible - */ - s = (U8 *) SvPVX(sv); - e = (U8 *) SvEND(sv); - t = s; - while (t < e) { - U8 ch = *t++; - if ((hibit = !NATIVE_IS_INVARIANT(ch))) - break; + if (PL_encoding) + Perl_sv_recode_to_utf8(aTHX_ sv, PL_encoding); + else { /* Assume Latin-1/EBCDIC */ + /* This function could be much more efficient if we + * had a FLAG in SVs to signal if there are any hibit + * chars in the PV. Given that there isn't such a flag + * make the loop as fast as possible. */ + s = (U8 *) SvPVX(sv); + e = (U8 *) SvEND(sv); + t = s; + while (t < e) { + U8 ch = *t++; + if ((hibit = !NATIVE_IS_INVARIANT(ch))) + break; + } + if (hibit) { + STRLEN len; + + len = SvCUR(sv) + 1; /* Plus the \0 */ + SvPVX(sv) = (char*)bytes_to_utf8((U8*)s, &len); + SvCUR(sv) = len - 1; + if (SvLEN(sv) != 0) + Safefree(s); /* No longer using what was there before. */ + SvLEN(sv) = len; /* No longer know the real size. */ + } + /* Mark as UTF-8 even if no hibit - saves scanning loop */ + SvUTF8_on(sv); } - if (hibit) { - STRLEN len; - - len = SvCUR(sv) + 1; /* Plus the \0 */ - SvPVX(sv) = (char*)bytes_to_utf8((U8*)s, &len); - SvCUR(sv) = len - 1; - if (SvLEN(sv) != 0) - Safefree(s); /* No longer using what was there before. */ - SvLEN(sv) = len; /* No longer know the real size. */ - } - /* Mark as UTF-8 even if no hibit - saves scanning loop */ - SvUTF8_on(sv); return SvCUR(sv); } @@ -4278,8 +4298,15 @@ Perl_sv_catsv_flags(pTHX_ SV *dsv, register SV *ssv, I32 flags) if (!ssv) return; if ((spv = SvPV(ssv, slen))) { - bool sutf8 = DO_UTF8(ssv); - bool dutf8; + /* sutf8 and dutf8 were type bool, but under USE_ITHREADS, + gcc version 2.95.2 20000220 (Debian GNU/Linux) for + Linux xxx 2.2.17 on sparc64 with gcc -O2, we erroneously + get dutf8 = 0x20000000, (i.e. SVf_UTF8) even though + dsv->sv_flags doesn't have that bit set. + Andy Dougherty 12 Oct 2001 + */ + I32 sutf8 = DO_UTF8(ssv); + I32 dutf8; if (SvGMAGICAL(dsv) && (flags & SV_GMAGIC)) mg_get(dsv); @@ -5507,13 +5534,19 @@ Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) register STDCHAR *bp; register I32 cnt; I32 i = 0; + I32 rspara = 0; SV_CHECK_THINKFIRST(sv); (void)SvUPGRADE(sv, SVt_PV); SvSCREAM_off(sv); - if (RsSNARF(PL_rs)) { + if (PL_curcop == &PL_compiling) { + /* we always read code in line mode */ + rsptr = "\n"; + rslen = 1; + } + else if (RsSNARF(PL_rs)) { rsptr = NULL; rslen = 0; } @@ -5545,6 +5578,7 @@ Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) else if (RsPARA(PL_rs)) { rsptr = "\n\n"; rslen = 2; + rspara = 1; } else { /* Get $/ i.e. PL_rs into same encoding as stream wants */ @@ -5563,7 +5597,7 @@ Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) rslast = rslen ? rsptr[rslen - 1] : '\0'; - if (RsPARA(PL_rs)) { /* have to do this both before and after */ + if (rspara) { /* have to do this both before and after */ do { /* to make sure file boundaries work right */ if (PerlIO_eof(fp)) return 0; @@ -5769,7 +5803,7 @@ screamer2: } } - if (RsPARA(PL_rs)) { /* have to do this both before and after */ + if (rspara) { /* have to do this both before and after */ while (i != EOF) { /* to make sure file boundaries work right */ i = PerlIO_getc(fp); if (i != '\n') { @@ -5834,7 +5868,7 @@ Perl_sv_inc(pTHX_ register SV *sv) #endif if (SvIsUV(sv)) { if (SvUVX(sv) == UV_MAX) - sv_setnv(sv, (NV)UV_MAX + 1.0); + sv_setnv(sv, UV_MAX_P1); else (void)SvIOK_only_UV(sv); ++SvUVX(sv); @@ -5866,7 +5900,7 @@ Perl_sv_inc(pTHX_ register SV *sv) while (isDIGIT(*d)) d++; if (*d) { #ifdef PERL_PRESERVE_IVUV - /* Got to punt this an an integer if needs be, but we don't issue + /* Got to punt this as an integer if needs be, but we don't issue warnings. Probably ought to make the sv_iv_please() that does the conversion if possible, and silently. */ int numtype = grok_number(SvPVX(sv), SvCUR(sv), NULL); @@ -6721,6 +6755,19 @@ Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp) return sv_2pv(sv, lp); } +/* For -DCRIPPLED_CC only. See also C. + */ + +char * +Perl_sv_pvn_nomg(pTHX_ register SV *sv, STRLEN *lp) +{ + if (SvPOK(sv)) { + *lp = SvCUR(sv); + return SvPVX(sv); + } + return sv_2pv_flags(sv, lp, 0); +} + /* =for apidoc sv_pvn_force @@ -6902,8 +6949,12 @@ Returns a string describing what the SV is a reference to. char * Perl_sv_reftype(pTHX_ SV *sv, int ob) { - if (ob && SvOBJECT(sv)) - return HvNAME(SvSTASH(sv)); + if (ob && SvOBJECT(sv)) { + HV *svs = SvSTASH(sv); + /* [20011101.072] This bandaid for C should eventually + be removed. AMS 20011103 */ + return (svs ? HvNAME(svs) : ""); + } else { switch (SvTYPE(sv)) { case SVt_NULL: @@ -7178,6 +7229,12 @@ Perl_sv_bless(pTHX_ SV *sv, HV *stash) else SvAMAGIC_off(sv); + if(SvSMAGICAL(tmpRef)) + if(mg_find(tmpRef, PERL_MAGIC_ext) || mg_find(tmpRef, PERL_MAGIC_uvar)) + mg_set(tmpRef); + + + return sv; } @@ -7651,8 +7708,8 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV char c; int i; unsigned base = 0; - IV iv; - UV uv; + IV iv = 0; + UV uv = 0; NV nv; STRLEN have; STRLEN need; @@ -7942,13 +7999,15 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV if (!veclen) continue; if (vec_utf) - iv = (IV)utf8n_to_uvchr(vecstr, veclen, &ulen, 0); + uv = utf8n_to_uvchr(vecstr, veclen, &ulen, UTF8_ALLOW_ANYUV); else { - iv = *vecstr; + uv = *vecstr; ulen = 1; } vecstr += ulen; veclen -= ulen; + if (plus) + esignbuf[esignlen++] = plus; } else if (args) { switch (intsize) { @@ -7973,14 +8032,17 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV #endif } } - if (iv >= 0) { - uv = iv; - if (plus) - esignbuf[esignlen++] = plus; - } - else { - uv = -iv; - esignbuf[esignlen++] = '-'; + if ( !vectorize ) /* we already set uv above */ + { + if (iv >= 0) { + uv = iv; + if (plus) + esignbuf[esignlen++] = plus; + } + else { + uv = -iv; + esignbuf[esignlen++] = '-'; + } } base = 10; goto integer; @@ -8022,7 +8084,7 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV if (!veclen) continue; if (vec_utf) - uv = utf8n_to_uvchr(vecstr, veclen, &ulen, 0); + uv = utf8n_to_uvchr(vecstr, veclen, &ulen, UTF8_ALLOW_ANYUV); else { uv = *vecstr; ulen = 1; @@ -8344,13 +8406,13 @@ ptr_table_* functions. #define gv_dup_inc(s,t) (GV*)SvREFCNT_inc(sv_dup((SV*)s,t)) #define SAVEPV(p) (p ? savepv(p) : Nullch) #define SAVEPVN(p,n) (p ? savepvn(p,n) : Nullch) - + /* Duplicate a regexp. Required reading: pregcomp() and pregfree() in regcomp.c. AMS 20010712 */ REGEXP * -Perl_re_dup(pTHX_ REGEXP *r, clone_params *param) +Perl_re_dup(pTHX_ REGEXP *r, CLONE_PARAMS *param) { REGEXP *ret; int i, len, npar; @@ -8448,7 +8510,7 @@ Perl_re_dup(pTHX_ REGEXP *r, clone_params *param) /* duplicate a file handle */ PerlIO * -Perl_fp_dup(pTHX_ PerlIO *fp, char type) +Perl_fp_dup(pTHX_ PerlIO *fp, char type, CLONE_PARAMS *param) { PerlIO *ret; if (!fp) @@ -8460,7 +8522,7 @@ Perl_fp_dup(pTHX_ PerlIO *fp, char type) return ret; /* create anew and remember what it is */ - ret = PerlIO_fdupopen(aTHX_ fp); + ret = PerlIO_fdupopen(aTHX_ fp, param); ptr_table_store(PL_ptr_table, fp, ret); return ret; } @@ -8479,7 +8541,7 @@ Perl_dirp_dup(pTHX_ DIR *dp) /* duplicate a typeglob */ GP * -Perl_gp_dup(pTHX_ GP *gp, clone_params* param) +Perl_gp_dup(pTHX_ GP *gp, CLONE_PARAMS* param) { GP *ret; if (!gp) @@ -8512,7 +8574,7 @@ Perl_gp_dup(pTHX_ GP *gp, clone_params* param) /* duplicate a chain of magic */ MAGIC * -Perl_mg_dup(pTHX_ MAGIC *mg, clone_params* param) +Perl_mg_dup(pTHX_ MAGIC *mg, CLONE_PARAMS* param) { MAGIC *mgprev = (MAGIC*)NULL; MAGIC *mgret; @@ -8783,7 +8845,7 @@ S_gv_share(pTHX_ SV *sstr) /* duplicate an SV of any type (including AV, HV etc) */ SV * -Perl_sv_dup(pTHX_ SV *sstr, clone_params* param) +Perl_sv_dup(pTHX_ SV *sstr, CLONE_PARAMS* param) { SV *dstr; @@ -8978,11 +9040,11 @@ Perl_sv_dup(pTHX_ SV *sstr, clone_params* param) SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); else SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ - IoIFP(dstr) = fp_dup(IoIFP(sstr), IoTYPE(sstr)); + IoIFP(dstr) = fp_dup(IoIFP(sstr), IoTYPE(sstr), param); if (IoOFP(sstr) == IoIFP(sstr)) IoOFP(dstr) = IoIFP(dstr); else - IoOFP(dstr) = fp_dup(IoOFP(sstr), IoTYPE(sstr)); + IoOFP(dstr) = fp_dup(IoOFP(sstr), IoTYPE(sstr), param); /* PL_rsfp_filters entries have fake IoDIRP() */ if (IoDIRP(sstr) && !(IoFLAGS(sstr) & IOf_FAKE_DIRP)) IoDIRP(dstr) = dirp_dup(IoDIRP(sstr)); @@ -9135,7 +9197,7 @@ Perl_sv_dup(pTHX_ SV *sstr, clone_params* param) /* duplicate a context */ PERL_CONTEXT * -Perl_cx_dup(pTHX_ PERL_CONTEXT *cxs, I32 ix, I32 max, clone_params* param) +Perl_cx_dup(pTHX_ PERL_CONTEXT *cxs, I32 ix, I32 max, CLONE_PARAMS* param) { PERL_CONTEXT *ncxs; @@ -9223,7 +9285,7 @@ Perl_cx_dup(pTHX_ PERL_CONTEXT *cxs, I32 ix, I32 max, clone_params* param) /* duplicate a stack info structure */ PERL_SI * -Perl_si_dup(pTHX_ PERL_SI *si, clone_params* param) +Perl_si_dup(pTHX_ PERL_SI *si, CLONE_PARAMS* param) { PERL_SI *nsi; @@ -9298,7 +9360,7 @@ Perl_any_dup(pTHX_ void *v, PerlInterpreter *proto_perl) /* duplicate the save stack */ ANY * -Perl_ss_dup(pTHX_ PerlInterpreter *proto_perl, clone_params* param) +Perl_ss_dup(pTHX_ PerlInterpreter *proto_perl, CLONE_PARAMS* param) { ANY *ss = proto_perl->Tsavestack; I32 ix = proto_perl->Tsavestack_ix; @@ -9427,7 +9489,7 @@ Perl_ss_dup(pTHX_ PerlInterpreter *proto_perl, clone_params* param) TOPPTR(nss,ix) = gp = gp_dup(gp, param); (void)GpREFCNT_inc(gp); gv = (GV*)POPPTR(ss,ix); - TOPPTR(nss,ix) = gv_dup_inc(c, param); + TOPPTR(nss,ix) = gv_dup_inc(gv, param); c = (char*)POPPTR(ss,ix); TOPPTR(nss,ix) = pv_dup(c); iv = POPIV(ss,ix); @@ -9593,7 +9655,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, * their pointers copied. */ IV i; - clone_params* param = (clone_params*) malloc(sizeof(clone_params)); + CLONE_PARAMS* param = (CLONE_PARAMS*) malloc(sizeof(CLONE_PARAMS)); PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); PERL_SET_THX(my_perl); @@ -9621,7 +9683,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_Proc = ipP; #else /* !PERL_IMPLICIT_SYS */ IV i; - clone_params* param = (clone_params*) malloc(sizeof(clone_params)); + CLONE_PARAMS* param = (CLONE_PARAMS*) malloc(sizeof(CLONE_PARAMS)); PerlInterpreter *my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); PERL_SET_THX(my_perl); @@ -9733,9 +9795,12 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_origargv[i] = SAVEPV(proto_perl->Iorigargv[i]); } - param->stashes = newAV(); /* Setup array of objects to call clone on */ +#ifdef PERLIO_LAYERS + /* Clone PerlIO tables as soon as we can handle general xx_dup() */ + PerlIO_clone(aTHX_ proto_perl, param); +#endif PL_envgv = gv_dup(proto_perl->Ienvgv, param); PL_incgv = gv_dup(proto_perl->Iincgv, param); @@ -9777,18 +9842,25 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, #ifdef VMS PL_statusvalue_vms = proto_perl->Istatusvalue_vms; #endif + PL_encoding = sv_dup(proto_perl->Iencoding, param); /* Clone the regex array */ PL_regex_padav = newAV(); { I32 len = av_len((AV*)proto_perl->Iregex_padav); SV** regexen = AvARRAY((AV*)proto_perl->Iregex_padav); - for(i = 0; i <= len; i++) { - av_push(PL_regex_padav, - SvREFCNT_inc( - newSViv((IV)re_dup((REGEXP *) - SvIVX(regexen[i]), param)) - )); + av_push(PL_regex_padav, + sv_dup_inc(regexen[0],param)); + for(i = 1; i <= len; i++) { + if(SvREPADTMP(regexen[i])) { + av_push(PL_regex_padav, sv_dup_inc(regexen[i], param)); + } else { + av_push(PL_regex_padav, + SvREFCNT_inc( + newSViv(PTR2IV(re_dup(INT2PTR(REGEXP *, + SvIVX(regexen[i])), param))) + )); + } } } PL_regex_pad = AvARRAY(PL_regex_padav); @@ -9826,6 +9898,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_curstname = sv_dup_inc(proto_perl->Icurstname, param); PL_beginav = av_dup_inc(proto_perl->Ibeginav, param); + PL_beginav_save = av_dup_inc(proto_perl->Ibeginav_save, param); PL_endav = av_dup_inc(proto_perl->Iendav, param); PL_checkav = av_dup_inc(proto_perl->Icheckav, param); PL_initav = av_dup_inc(proto_perl->Iinitav, param); @@ -9881,9 +9954,11 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, else PL_exitlist = (PerlExitListEntry*)NULL; PL_modglobal = hv_dup_inc(proto_perl->Imodglobal, param); + PL_custom_op_names = hv_dup_inc(proto_perl->Icustom_op_names,param); + PL_custom_op_descs = hv_dup_inc(proto_perl->Icustom_op_descs,param); PL_profiledata = NULL; - PL_rsfp = fp_dup(proto_perl->Irsfp, '<'); + PL_rsfp = fp_dup(proto_perl->Irsfp, '<', param); /* PL_rsfp_filters entries have fake IoDIRP() */ PL_rsfp_filters = av_dup_inc(proto_perl->Irsfp_filters, param); @@ -10032,6 +10107,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_utf8_toupper = sv_dup_inc(proto_perl->Iutf8_toupper, param); PL_utf8_totitle = sv_dup_inc(proto_perl->Iutf8_totitle, param); PL_utf8_tolower = sv_dup_inc(proto_perl->Iutf8_tolower, param); + PL_utf8_tofold = sv_dup_inc(proto_perl->Iutf8_tofold, param); /* swatch cache */ PL_last_swash_hv = Nullhv; /* reinits on demand */ @@ -10155,7 +10231,6 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_tainted = proto_perl->Ttainted; PL_curpm = proto_perl->Tcurpm; /* XXX No PMOP ref count */ - PL_nrs = sv_dup_inc(proto_perl->Tnrs, param); PL_rs = sv_dup_inc(proto_perl->Trs, param); PL_last_in_gv = gv_dup(proto_perl->Tlast_in_gv, param); PL_ofs_sv = sv_dup_inc(proto_perl->Tofs_sv, param); @@ -10239,7 +10314,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_reg_re = (regexp*)NULL; PL_reg_ganch = Nullch; PL_reg_sv = Nullsv; - PL_reg_sv_utf8 = FALSE; + PL_reg_match_utf8 = FALSE; PL_reg_magic = (MAGIC*)NULL; PL_reg_oldpos = 0; PL_reg_oldcurpm = (PMOP*)NULL; @@ -10268,7 +10343,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, ptr_table_free(PL_ptr_table); PL_ptr_table = NULL; } - + /* Call the ->CLONE method, if it exists, for each of the stashes identified by sv_dup() above. */ @@ -10295,3 +10370,53 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, } #endif /* USE_ITHREADS */ + +/* +=for apidoc sv_recode_to_utf8 + +The encoding is assumed to be an Encode object, on entry the PV +of the sv is assumed to be octets in that encoding, and the sv +will be converted into Unicode (and UTF-8). + +If the sv already is UTF-8 (or if it is not POK), or if the encoding +is not a reference, nothing is done to the sv. If the encoding is not +an C Encoding object, bad things will happen. +(See F and L). + +The PV of the sv is returned. + +=cut */ + +char * +Perl_sv_recode_to_utf8(pTHX_ SV *sv, SV *encoding) +{ + if (SvPOK(sv) && !DO_UTF8(sv) && SvROK(encoding)) { + SV *uni; + STRLEN len; + char *s; + dSP; + ENTER; + SAVETMPS; + PUSHMARK(sp); + EXTEND(SP, 3); + XPUSHs(encoding); + XPUSHs(sv); + XPUSHs(&PL_sv_yes); + PUTBACK; + call_method("decode", G_SCALAR); + SPAGAIN; + uni = POPs; + PUTBACK; + s = SvPV(uni, len); + if (s != SvPVX(sv)) { + SvGROW(sv, len); + Move(s, SvPVX(sv), len, char); + SvCUR_set(sv, len); + } + FREETMPS; + LEAVE; + SvUTF8_on(sv); + } + return SvPVX(sv); +} +