no longer need to unshare so as to free up the IVX slot for its proper
purpose. So it's safe to move the early return earlier. */
- if (new_type != SVt_PV && SvIsCOW(sv)) {
+ if (new_type > SVt_PVMG && SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
}
}
break;
-
- case SVt_REGEXP:
- /* This ensures that SvTHINKFIRST(sv) is true, and hence that
- sv_force_normal_flags(sv) is called. */
- SvFAKE_on(sv);
case SVt_PVIV:
/* XXX Is this still needed? Was it ever needed? Surely as there is
no route from NV to PVIV, NOK can never be true */
case SVt_PVGV:
case SVt_PVCV:
case SVt_PVLV:
+ case SVt_REGEXP:
case SVt_PVMG:
case SVt_PVNV:
case SVt_PV:
SvUVX(sv)));
}
}
- else if (SvPOKp(sv) && SvLEN(sv)) {
+ else if (SvPOKp(sv)) {
UV value;
const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), &value);
/* We want to avoid a possible problem when we cache an IV/ a UV which
return PTR2IV(SvRV(sv));
}
- if (SvVALID(sv)) {
+ if (SvVALID(sv) || SvTYPE(sv) == SVt_REGEXP) {
/* FBMs use the space for SvIVX and SvNVX for other purposes, and use
the same flag bit as SVf_IVisUV, so must not let them cache IVs.
In practice they are extremely unlikely to actually get anywhere
accessible by user Perl code - the only way that I'm aware of is when
a constant subroutine which is used as the second argument to index.
+
+ Regexps have no SvIVX and SvNVX fields.
*/
- if (SvIOKp(sv))
- return SvIVX(sv);
- if (SvNOKp(sv))
- return I_V(SvNVX(sv));
- if (SvPOKp(sv) && SvLEN(sv)) {
+ assert(SvPOKp(sv));
+ {
UV value;
const int numtype
= grok_number(SvPVX_const(sv), SvCUR(sv), &value);
}
return I_V(Atof(SvPVX_const(sv)));
}
- if (ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
- return 0;
}
if (SvTHINKFIRST(sv)) {
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
}
+#endif
if (SvREADONLY(sv) && !SvOK(sv)) {
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
return PTR2UV(SvRV(sv));
}
- if (SvVALID(sv)) {
+ if (SvVALID(sv) || SvTYPE(sv) == SVt_REGEXP) {
/* FBMs use the space for SvIVX and SvNVX for other purposes, and use
- the same flag bit as SVf_IVisUV, so must not let them cache IVs. */
- if (SvIOKp(sv))
- return SvUVX(sv);
- if (SvNOKp(sv))
- return U_V(SvNVX(sv));
- if (SvPOKp(sv) && SvLEN(sv)) {
+ the same flag bit as SVf_IVisUV, so must not let them cache IVs.
+ Regexps have no SvIVX and SvNVX fields. */
+ assert(SvPOKp(sv));
+ {
UV value;
const int numtype
= grok_number(SvPVX_const(sv), SvCUR(sv), &value);
}
return U_V(Atof(SvPVX_const(sv)));
}
- if (ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
- return 0;
}
if (SvTHINKFIRST(sv)) {
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
}
+#endif
if (SvREADONLY(sv) && !SvOK(sv)) {
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
dVAR;
if (!sv)
return 0.0;
- if (SvGMAGICAL(sv) || SvVALID(sv)) {
+ if (SvGMAGICAL(sv) || SvVALID(sv) || SvTYPE(sv) == SVt_REGEXP) {
/* FBMs use the space for SvIVX and SvNVX for other purposes, and use
- the same flag bit as SVf_IVisUV, so must not let them cache NVs. */
+ the same flag bit as SVf_IVisUV, so must not let them cache NVs.
+ Regexps have no SvIVX and SvNVX fields. */
if (flags & SV_GMAGIC)
mg_get(sv);
if (SvNOKp(sv))
return SvNVX(sv);
- if ((SvPOKp(sv) && SvLEN(sv)) && !SvIOKp(sv)) {
+ if (SvPOKp(sv) && !SvIOKp(sv)) {
if (!SvIOKp(sv) && ckWARN(WARN_NUMERIC) &&
!grok_number(SvPVX_const(sv), SvCUR(sv), NULL))
not_a_number(sv);
}
return PTR2NV(SvRV(sv));
}
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
}
+#endif
if (SvREADONLY(sv) && !SvOK(sv)) {
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
SvNOKp_on(sv);
#endif
}
- else if (SvPOKp(sv) && SvLEN(sv)) {
+ else if (SvPOKp(sv)) {
UV value;
const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), &value);
if (!SvIOKp(sv) && !numtype && ckWARN(WARN_NUMERIC))
if the whole string is the same in UTF-8 as not.
Returns the number of bytes in the converted string
-This is not as a general purpose byte encoding to Unicode interface:
+This is not a general purpose byte encoding to Unicode interface:
use the Encode extension for that.
=for apidoc sv_utf8_upgrade_nomg
C<sv_utf8_upgrade> and
C<sv_utf8_upgrade_nomg> are implemented in terms of this function.
-This is not as a general purpose byte encoding to Unicode interface:
+This is not a general purpose byte encoding to Unicode interface:
use the Encode extension for that.
=cut
in this case, either returns false or, if C<fail_ok> is not
true, croaks.
-This is not as a general purpose Unicode to byte encoding interface:
+This is not a general purpose Unicode to byte encoding interface:
use the Encode extension for that.
=cut
in a newer implementation. */
/* If we are COW and dstr is a suitable target then we drop down
into the else and make dest a COW of us. */
- || (SvFLAGS(dstr) & CAN_COW_MASK) != CAN_COW_FLAGS
+ || (SvFLAGS(dstr) & SVf_BREAK)
#endif
)
&&
#ifdef PERL_OLD_COPY_ON_WRITE
if (SvREADONLY(sv)) {
- if (SvFAKE(sv)) {
+ if (SvIsCOW(sv)) {
const char * const pvx = SvPVX_const(sv);
const STRLEN len = SvLEN(sv);
const STRLEN cur = SvCUR(sv);
}
SvCUR_set(temp, SvCUR(sv));
/* Remember that SvPVX is in the head, not the body. */
- if (SvLEN(temp)) {
- SvLEN_set(temp, SvLEN(sv));
- /* This signals "buffer is owned by someone else" in sv_clear,
- which is the least effort way to stop it freeing the buffer.
- */
- SvLEN_set(sv, SvLEN(sv)+1);
- } else {
- /* Their buffer is already owned by someone else. */
+ assert(!SvLEN(sv));
+ /* Their buffer is already owned by someone else. */
+ if (flags & SV_COW_DROP_PV) SvPOK_off(sv);
+ else {
SvPVX(sv) = savepvn(SvPVX(sv), SvCUR(sv));
SvLEN_set(temp, SvCUR(sv)+1);
}
* permanent location. */
SV *
-Perl_sv_mortalcopy(pTHX_ SV *const oldstr)
+Perl_sv_mortalcopy_flags(pTHX_ SV *const oldstr, U32 flags)
{
dVAR;
SV *sv;
+ if (flags & SV_GMAGIC)
+ SvGETMAGIC(oldstr); /* before new_SV, in case it dies */
new_SV(sv);
- sv_setsv(sv,oldstr);
+ sv_setsv_flags(sv,oldstr,flags & ~SV_GMAGIC);
PUSH_EXTEND_MORTAL__SV_C(sv);
SvTEMP_on(sv);
return sv;
{
PERL_ARGS_ASSERT_SV_PVUTF8N_FORCE;
- sv_pvn_force(sv,lp);
+ sv_pvn_force(sv,0);
sv_utf8_upgrade_nomg(sv);
*lp = SvCUR(sv);
return SvPVX(sv);
Perl_croak(aTHX_ "Can't bless non-reference value");
tmpRef = SvRV(sv);
if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) {
- if (SvIsCOW(tmpRef))
- sv_force_normal_flags(tmpRef, 0);
- if (SvREADONLY(tmpRef))
+ if (SvREADONLY(tmpRef) && !SvIsCOW(tmpRef))
Perl_croak_no_modify(aTHX);
if (SvOBJECT(tmpRef)) {
if (SvTYPE(tmpRef) != SVt_PVIO)
if (DO_UTF8(argsv)) {
STRLEN old_precis = precis;
if (has_precis && precis < elen) {
- STRLEN ulen = sv_len_utf8_nomg(argsv);
+ STRLEN ulen = sv_or_pv_len_utf8(argsv, eptr, elen);
STRLEN p = precis > ulen ? ulen : precis;
- precis = sv_pos_u2b_flags(argsv, p, 0, 0);
+ precis = sv_or_pv_pos_u2b(argsv, eptr, p, 0);
/* sticks at end */
}
if (width) { /* fudge width (can't fudge elen) */
if (has_precis && precis < elen)
width += precis - old_precis;
else
- width += elen - sv_len_utf8_nomg(argsv);
+ width +=
+ elen - sv_or_pv_len_utf8(argsv,eptr,elen);
}
is_utf8 = TRUE;
}
have = esignlen + zeros + elen;
if (have < zeros)
- Perl_croak_nocontext("%s", PL_memory_wrap);
+ croak_memory_wrap();
need = (have > width ? have : width);
gap = need - have;
if (need >= (((STRLEN)~0) - SvCUR(sv) - dotstrlen - 1))
- Perl_croak_nocontext("%s", PL_memory_wrap);
+ croak_memory_wrap();
SvGROW(sv, SvCUR(sv) + need + dotstrlen + 1);
p = SvEND(sv);
if (esignlen && fill == '0') {
PL_VertSpace = sv_dup_inc(proto_perl->IVertSpace, param);
PL_NonL1NonFinalFold = sv_dup_inc(proto_perl->INonL1NonFinalFold, param);
+ PL_HasMultiCharFold= sv_dup_inc(proto_perl->IHasMultiCharFold, param);
/* utf8 character class swashes */
PL_utf8_alnum = sv_dup_inc(proto_perl->Iutf8_alnum, param);
PL_AboveLatin1 = sv_dup_inc(proto_perl->IAboveLatin1, param);
PL_Latin1 = sv_dup_inc(proto_perl->ILatin1, param);
-
if (proto_perl->Ipsig_pend) {
Newxz(PL_psig_pend, SIG_SIZE, int);
}
save_re_context();
PUSHMARK(sp);
EXTEND(SP, 3);
- XPUSHs(encoding);
- XPUSHs(sv);
+ PUSHs(encoding);
+ PUSHs(sv);
/*
NI-S 2002/07/09
Passing sv_yes is wrong - it needs to be or'ed set of constants
save_re_context();
PUSHMARK(sp);
EXTEND(SP, 6);
- XPUSHs(encoding);
- XPUSHs(dsv);
- XPUSHs(ssv);
+ PUSHs(encoding);
+ PUSHs(dsv);
+ PUSHs(ssv);
offsv = newSViv(*offset);
- mXPUSHs(offsv);
- mXPUSHp(tstr, tlen);
+ mPUSHs(offsv);
+ mPUSHp(tstr, tlen);
PUTBACK;
call_method("cat_decode", G_SCALAR);
SPAGAIN;
array = HvARRAY(hv);
- for (i=HvMAX(hv); i>0; i--) {
+ for (i=HvMAX(hv); i>=0; i--) {
HE *entry;
for (entry = array[i]; entry; entry = HeNEXT(entry)) {
if (HeVAL(entry) != val)
return NULL;
av = *PadlistARRAY(CvPADLIST(cv));
sv = *av_fetch(av, targ, FALSE);
- sv_setsv(name, sv);
+ sv_setsv_flags(name, sv, 0);
}
if (subscript_type == FUV_SUBSCRIPT_HASH) {
https://perl5.git.perl.org / perl5.git / blobdiff