/* sv.c
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
called by visit() for each SV]):
sv_report_used() / do_report_used()
- dump all remaining SVs (debugging aid)
+ dump all remaining SVs (debugging aid)
sv_clean_objs() / do_clean_objs(),do_clean_named_objs()
Attempt to free all objects pointed to by RVs,
void
Perl_offer_nice_chunk(pTHX_ void *chunk, U32 chunk_size)
{
+ dVAR;
void *new_chunk;
U32 new_chunk_size;
LOCK_SV_MUTEX;
STATIC SV*
S_more_sv(pTHX)
{
+ dVAR;
SV* sv;
if (PL_nice_chunk) {
STATIC void
S_del_sv(pTHX_ SV *p)
{
+ dVAR;
if (DEBUG_D_TEST) {
SV* sva;
bool ok = 0;
void
Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags)
{
+ dVAR;
SV* const sva = (SV*)ptr;
register SV* sv;
register SV* svend;
STATIC I32
S_visit(pTHX_ SVFUNC_t f, U32 flags, U32 mask)
{
+ dVAR;
SV* sva;
I32 visited = 0;
static void
do_clean_objs(pTHX_ SV *ref)
{
+ dVAR;
if (SvROK(ref)) {
SV * const target = SvRV(ref);
if (SvOBJECT(target)) {
static void
do_clean_named_objs(pTHX_ SV *sv)
{
+ dVAR;
if (SvTYPE(sv) == SVt_PVGV && GvGP(sv)) {
if ((
#ifdef PERL_DONT_CREATE_GVSV
void
Perl_sv_clean_objs(pTHX)
{
+ dVAR;
PL_in_clean_objs = TRUE;
visit(do_clean_objs, SVf_ROK, SVf_ROK);
#ifndef DISABLE_DESTRUCTOR_KLUDGE
static void
do_clean_all(pTHX_ SV *sv)
{
+ dVAR;
DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) ));
SvFLAGS(sv) |= SVf_BREAK;
if (PL_comppad == (AV*)sv) {
- PL_comppad = Nullav;
+ PL_comppad = NULL;
PL_curpad = Null(SV**);
}
SvREFCNT_dec(sv);
I32
Perl_sv_clean_all(pTHX)
{
+ dVAR;
I32 cleaned;
PL_in_clean_all = TRUE;
cleaned = visit(do_clean_all, 0,0);
void
Perl_sv_free_arenas(pTHX)
{
+ dVAR;
SV* sva;
SV* svanext;
int i;
STATIC void *
S_more_bodies (pTHX_ size_t size, svtype sv_type)
{
+ dVAR;
void ** const arena_root = &PL_body_arenaroots[sv_type];
void ** const root = &PL_body_roots[sv_type];
char *start;
STATIC void *
S_new_body(pTHX_ size_t size, svtype sv_type)
{
+ dVAR;
void *xpv;
new_body_inline(xpv, size, sv_type);
return xpv;
/* 8 bytes on most ILP32 with IEEE doubles */
{sizeof(xpv_allocated),
copy_length(XPV, xpv_len)
- + relative_STRUCT_OFFSET(XPV, xpv_allocated, xpv_cur),
- - relative_STRUCT_OFFSET(XPV, xpv_allocated, xpv_cur),
+ - relative_STRUCT_OFFSET(xpv_allocated, XPV, xpv_cur),
+ + relative_STRUCT_OFFSET(xpv_allocated, XPV, xpv_cur),
FALSE, NONV, HASARENA},
/* 12 */
{sizeof(xpviv_allocated),
copy_length(XPVIV, xiv_u)
- + relative_STRUCT_OFFSET(XPVIV, xpviv_allocated, xpv_cur),
- - relative_STRUCT_OFFSET(XPVIV, xpviv_allocated, xpv_cur),
+ - relative_STRUCT_OFFSET(xpviv_allocated, XPVIV, xpv_cur),
+ + relative_STRUCT_OFFSET(xpviv_allocated, XPVIV, xpv_cur),
FALSE, NONV, HASARENA},
/* 20 */
{sizeof(XPVNV), copy_length(XPVNV, xiv_u), 0, FALSE, HADNV, HASARENA},
/* 20 */
{sizeof(xpvav_allocated),
copy_length(XPVAV, xmg_stash)
- + relative_STRUCT_OFFSET(XPVAV, xpvav_allocated, xav_fill),
- - relative_STRUCT_OFFSET(XPVAV, xpvav_allocated, xav_fill),
+ - relative_STRUCT_OFFSET(xpvav_allocated, XPVAV, xav_fill),
+ + relative_STRUCT_OFFSET(xpvav_allocated, XPVAV, xav_fill),
TRUE, HADNV, HASARENA},
/* 20 */
{sizeof(xpvhv_allocated),
copy_length(XPVHV, xmg_stash)
- + relative_STRUCT_OFFSET(XPVHV, xpvhv_allocated, xhv_fill),
- - relative_STRUCT_OFFSET(XPVHV, xpvhv_allocated, xhv_fill),
+ - relative_STRUCT_OFFSET(xpvhv_allocated, XPVHV, xhv_fill),
+ + relative_STRUCT_OFFSET(xpvhv_allocated, XPVHV, xhv_fill),
TRUE, HADNV, HASARENA},
/* 76 */
{sizeof(XPVCV), sizeof(XPVCV), 0, TRUE, HADNV, HASARENA},
void
Perl_sv_upgrade(pTHX_ register SV *sv, U32 new_type)
{
+ dVAR;
void* old_body;
void* new_body;
const U32 old_type = SvTYPE(sv);
/* Could put this in the else clause below, as PVMG must have SvPVX
0 already (the assertion above) */
- SvPV_set(sv, (char*)0);
+ SvPV_set(sv, NULL);
if (old_type >= SVt_PVMG) {
SvMAGIC_set(sv, ((XPVMG*)old_body)->xmg_magic);
SvSTASH_set(sv, ((XPVMG*)old_body)->xmg_stash);
} else {
- SvMAGIC_set(sv, 0);
- SvSTASH_set(sv, 0);
+ SvMAGIC_set(sv, NULL);
+ SvSTASH_set(sv, NULL);
}
break;
}
#ifndef NV_ZERO_IS_ALLBITS_ZERO
- /* If NV 0.0 is store as all bits 0 then Zero() already creates a correct
- 0.0 for us. */
- if (old_type_details->zero_nv)
+ /* If NV 0.0 is stores as all bits 0 then Zero() already creates a
+ * correct 0.0 for us. Otherwise, if the old body didn't have an
+ * NV slot, but the new one does, then we need to initialise the
+ * freshly created NV slot with whatever the correct bit pattern is
+ * for 0.0 */
+ if (old_type_details->zero_nv && !new_type_details->zero_nv)
SvNV_set(sv, 0);
#endif
if (new_type == SVt_PVIO)
- IoPAGE_LEN(sv) = 60;
+ IoPAGE_LEN(sv) = 60;
if (old_type < SVt_RV)
- SvPV_set(sv, 0);
+ SvPV_set(sv, NULL);
break;
default:
- Perl_croak(aTHX_ "panic: sv_upgrade to unknown type %lu", new_type);
+ Perl_croak(aTHX_ "panic: sv_upgrade to unknown type %lu",
+ (unsigned long)new_type);
}
if (old_type_details->size) {
void
Perl_sv_setiv(pTHX_ register SV *sv, IV i)
{
+ dVAR;
SV_CHECK_THINKFIRST_COW_DROP(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
void
Perl_sv_setnv(pTHX_ register SV *sv, NV num)
{
+ dVAR;
SV_CHECK_THINKFIRST_COW_DROP(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
STATIC void
S_not_a_number(pTHX_ SV *sv)
{
+ dVAR;
SV *dsv;
char tmpbuf[64];
const char *pv;
if (DO_UTF8(sv)) {
- dsv = sv_2mortal(newSVpvn("", 0));
+ dsv = sv_2mortal(newSVpvs(""));
pv = sv_uni_display(dsv, sv, 10, 0);
} else {
char *d = tmpbuf;
STATIC int
S_sv_2iuv_non_preserve(pTHX_ register SV *sv, I32 numtype)
{
+ dVAR;
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_2iuv_non '%s', IV=0x%"UVxf" NV=%"NVgf" inttype=%"UVXf"\n", SvPVX_const(sv), SvIVX(sv), SvNVX(sv), (UV)numtype));
if (SvNVX(sv) < (NV)IV_MIN) {
(void)SvIOKp_on(sv);
STATIC bool
S_sv_2iuv_common(pTHX_ SV *sv) {
+ dVAR;
if (SvNOKp(sv)) {
/* erm. not sure. *should* never get NOKp (without NOK) from sv_2nv
* without also getting a cached IV/UV from it at the same time
} else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
- /* If NV preserves UV then we only use the UV value if we know that
+ /* If NVs preserve UVs then we only use the UV value if we know that
we aren't going to call atof() below. If NVs don't preserve UVs
then the value returned may have more precision than atof() will
return, even though value isn't perfectly accurate. */
IV
Perl_sv_2iv_flags(pTHX_ register SV *sv, I32 flags)
{
+ dVAR;
if (!sv)
return 0;
if (SvGMAGICAL(sv)) {
}
return I_V(Atof(SvPVX_const(sv)));
}
- if (!SvROK(sv)) {
- if (!(SvFLAGS(sv) & SVs_PADTMP)) {
- if (!PL_localizing && ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
- }
- return 0;
+ if (SvROK(sv)) {
+ goto return_rok;
}
- /* Else this will drop through into the SvROK case just below, which
- will return within the {} for all code paths. */
- }
- if (SvTHINKFIRST(sv)) {
+ assert(SvTYPE(sv) >= SVt_PVMG);
+ /* This falls through to the report_uninit inside S_sv_2iuv_common. */
+ } else if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
+ return_rok:
if (SvAMAGIC(sv)) {
SV * const tmpstr=AMG_CALLun(sv,numer);
if (tmpstr && (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
UV
Perl_sv_2uv_flags(pTHX_ register SV *sv, I32 flags)
{
+ dVAR;
if (!sv)
return 0;
if (SvGMAGICAL(sv)) {
}
return U_V(Atof(SvPVX_const(sv)));
}
- if (!SvROK(sv)) {
- if (!(SvFLAGS(sv) & SVs_PADTMP)) {
- if (!PL_localizing && ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
- }
- return 0;
+ if (SvROK(sv)) {
+ goto return_rok;
}
- /* Else this will drop through into the SvROK case just below, which
- will return within the {} for all code paths. */
- }
- if (SvTHINKFIRST(sv)) {
+ assert(SvTYPE(sv) >= SVt_PVMG);
+ /* This falls through to the report_uninit inside S_sv_2iuv_common. */
+ } else if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
- SV* tmpstr;
- if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)) &&
- (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv))))
- return SvUV(tmpstr);
- return PTR2UV(SvRV(sv));
+ return_rok:
+ if (SvAMAGIC(sv)) {
+ SV *const tmpstr = AMG_CALLun(sv,numer);
+ if (tmpstr && (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
+ return SvUV(tmpstr);
+ }
+ }
+ return PTR2UV(SvRV(sv));
}
if (SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
NV
Perl_sv_2nv(pTHX_ register SV *sv)
{
+ dVAR;
if (!sv)
return 0.0;
if (SvGMAGICAL(sv)) {
function. */
} else if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
- SV* tmpstr;
return_rok:
- if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)) &&
- (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv))))
- return SvNV(tmpstr);
- return PTR2NV(SvRV(sv));
+ if (SvAMAGIC(sv)) {
+ SV *const tmpstr = AMG_CALLun(sv,numer);
+ if (tmpstr && (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
+ return SvNV(tmpstr);
+ }
+ }
+ return PTR2NV(SvRV(sv));
}
if (SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
static char *
S_stringify_regexp(pTHX_ SV *sv, MAGIC *mg, STRLEN *lp) {
+ dVAR;
const regexp * const re = (regexp *)mg->mg_obj;
if (!mg->mg_ptr) {
char *
Perl_sv_2pv_flags(pTHX_ register SV *sv, STRLEN *lp, I32 flags)
{
+ dVAR;
register char *s;
- int olderrno;
if (!sv) {
if (lp)
return memcpy(s, tbuf, len + 1);
}
}
- if (!SvROK(sv)) {
- if (!(SvFLAGS(sv) & SVs_PADTMP)) {
- if (!PL_localizing && ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
- }
- if (lp)
- *lp = 0;
- return (char *)"";
- }
- /* Else this will drop through into the SvROK case just below, which
- will return within the {} for all code paths. */
- }
- if (SvTHINKFIRST(sv)) {
+ if (SvROK(sv)) {
+ goto return_rok;
+ }
+ assert(SvTYPE(sv) >= SVt_PVMG);
+ /* This falls through to the report_uninit near the end of the
+ function. */
+ } else if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
- SV* tmpstr;
-
- if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)) &&
- (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
- /* Unwrap this: */
- /* char *pv = lp ? SvPV(tmpstr, *lp) : SvPV_nolen(tmpstr); */
-
- char *pv;
- if ((SvFLAGS(tmpstr) & (SVf_POK)) == SVf_POK) {
- if (flags & SV_CONST_RETURN) {
- pv = (char *) SvPVX_const(tmpstr);
+ return_rok:
+ if (SvAMAGIC(sv)) {
+ SV *const tmpstr = AMG_CALLun(sv,string);
+ if (tmpstr && (!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
+ /* Unwrap this: */
+ /* char *pv = lp ? SvPV(tmpstr, *lp) : SvPV_nolen(tmpstr);
+ */
+
+ char *pv;
+ if ((SvFLAGS(tmpstr) & (SVf_POK)) == SVf_POK) {
+ if (flags & SV_CONST_RETURN) {
+ pv = (char *) SvPVX_const(tmpstr);
+ } else {
+ pv = (flags & SV_MUTABLE_RETURN)
+ ? SvPVX_mutable(tmpstr) : SvPVX(tmpstr);
+ }
+ if (lp)
+ *lp = SvCUR(tmpstr);
} else {
- pv = (flags & SV_MUTABLE_RETURN)
- ? SvPVX_mutable(tmpstr) : SvPVX(tmpstr);
+ pv = sv_2pv_flags(tmpstr, lp, flags);
}
- if (lp)
- *lp = SvCUR(tmpstr);
- } else {
- pv = sv_2pv_flags(tmpstr, lp, flags);
+ if (SvUTF8(tmpstr))
+ SvUTF8_on(sv);
+ else
+ SvUTF8_off(sv);
+ return pv;
}
- if (SvUTF8(tmpstr))
- SvUTF8_on(sv);
- else
- SvUTF8_off(sv);
- return pv;
- } else {
+ }
+ {
SV *tsv;
MAGIC *mg;
const SV *const referent = (SV*)SvRV(sv);
if (!referent) {
- tsv = sv_2mortal(newSVpvn("NULLREF", 7));
+ tsv = sv_2mortal(newSVpvs("NULLREF"));
} else if (SvTYPE(referent) == SVt_PVMG
&& ((SvFLAGS(referent) &
(SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG))
== (SVs_OBJECT|SVs_SMG))
&& (mg = mg_find(referent, PERL_MAGIC_qr))) {
- return S_stringify_regexp(aTHX_ sv, mg, lp);
+ return stringify_regexp(sv, mg, lp);
} else {
const char *const typestr = sv_reftype(referent, 0);
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv, SVt_PVIV);
- if (isUIOK)
- ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf);
- else
- ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf);
+ ptr = uiv_2buf(buf, SvIVX(sv), SvUVX(sv), isUIOK, &ebuf);
/* inlined from sv_setpvn */
SvGROW_mutable(sv, (STRLEN)(ebuf - ptr + 1));
Move(ptr,SvPVX_mutable(sv),ebuf - ptr,char);
SvIsUV_on(sv);
}
else if (SvNOKp(sv)) {
+ const int olderrno = errno;
if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
/* The +20 is pure guesswork. Configure test needed. --jhi */
s = SvGROW_mutable(sv, NV_DIG + 20);
- olderrno = errno; /* some Xenix systems wipe out errno here */
+ /* some Xenix systems wipe out errno here */
#ifdef apollo
if (SvNVX(sv) == 0.0)
(void)strcpy(s,"0");
bool
Perl_sv_2bool(pTHX_ register SV *sv)
{
+ dVAR;
SvGETMAGIC(sv);
if (!SvOK(sv))
return 0;
if (SvROK(sv)) {
- SV* tmpsv;
- if (SvAMAGIC(sv) && (tmpsv=AMG_CALLun(sv,bool_)) &&
- (!SvROK(tmpsv) || (SvRV(tmpsv) != SvRV(sv))))
- return (bool)SvTRUE(tmpsv);
- return SvRV(sv) != 0;
+ if (SvAMAGIC(sv)) {
+ SV * const tmpsv = AMG_CALLun(sv,bool_);
+ if (tmpsv && (!SvROK(tmpsv) || (SvRV(tmpsv) != SvRV(sv))))
+ return (bool)SvTRUE(tmpsv);
+ }
+ return SvRV(sv) != 0;
}
if (SvPOKp(sv)) {
register XPV* const Xpvtmp = (XPV*)SvANY(sv);
STRLEN
Perl_sv_utf8_upgrade_flags(pTHX_ register SV *sv, I32 flags)
{
+ dVAR;
if (sv == &PL_sv_undef)
return 0;
if (!SvPOK(sv)) {
bool
Perl_sv_utf8_downgrade(pTHX_ register SV* sv, bool fail_ok)
{
+ dVAR;
if (SvPOKp(sv) && SvUTF8(sv)) {
if (SvCUR(sv)) {
U8 *s;
void
Perl_sv_setsv_flags(pTHX_ SV *dstr, register SV *sstr, I32 flags)
{
+ dVAR;
register U32 sflags;
register int dtype;
register int stype;
if (dtype >= SVt_PV) {
if (dtype == SVt_PVGV) {
SV * const sref = SvREFCNT_inc(SvRV(sstr));
- SV *dref = 0;
+ SV *dref = NULL;
const int intro = GvINTRO(dstr);
#ifdef GV_UNIQUE_CHECK
{
/* Redefining a sub - warning is mandatory if
it was a const and its value changed. */
- if (ckWARN(WARN_REDEFINE)
+ if (CvCONST(cv) && CvCONST((CV*)sref)
+ && cv_const_sv(cv)
+ == cv_const_sv((CV*)sref)) {
+ /* They are 2 constant subroutines
+ generated from the same constant.
+ This probably means that they are
+ really the "same" proxy subroutine
+ instantiated in 2 places. Most likely
+ this is when a constant is exported
+ twice. Don't warn. */
+ }
+ else if (ckWARN(WARN_REDEFINE)
|| (CvCONST(cv)
&& (!CvCONST((CV*)sref)
|| sv_cmp(cv_const_sv(cv),
SvTEMP_off(dstr);
(void)SvOK_off(sstr); /* NOTE: nukes most SvFLAGS on sstr */
- SvPV_set(sstr, Nullch);
+ SvPV_set(sstr, NULL);
SvLEN_set(sstr, 0);
SvCUR_set(sstr, 0);
SvTEMP_off(sstr);
void
Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
+ dVAR;
register char *dptr;
SV_CHECK_THINKFIRST_COW_DROP(sv);
void
Perl_sv_setpv(pTHX_ register SV *sv, register const char *ptr)
{
+ dVAR;
register STRLEN len;
SV_CHECK_THINKFIRST_COW_DROP(sv);
void
Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len)
{
+ dVAR;
STRLEN allocate;
SV_CHECK_THINKFIRST_COW_DROP(sv);
SvUPGRADE(sv, SVt_PV);
void
Perl_sv_force_normal_flags(pTHX_ register SV *sv, U32 flags)
{
+ dVAR;
#ifdef PERL_OLD_COPY_ON_WRITE
if (SvREADONLY(sv)) {
/* At this point I believe I should acquire a global SV mutex. */
SvFAKE_off(sv);
SvREADONLY_off(sv);
/* This SV doesn't own the buffer, so need to Newx() a new one: */
- SvPV_set(sv, (char*)0);
+ SvPV_set(sv, NULL);
SvLEN_set(sv, 0);
if (flags & SV_COW_DROP_PV) {
/* OK, so we don't need to copy our buffer. */
void
Perl_sv_catpvn_flags(pTHX_ register SV *dsv, register const char *sstr, register STRLEN slen, I32 flags)
{
+ dVAR;
STRLEN dlen;
- const char *dstr = SvPV_force_flags(dsv, dlen, flags);
+ const char * const dstr = SvPV_force_flags(dsv, dlen, flags);
SvGROW(dsv, dlen + slen + 1);
if (sstr == dstr)
void
Perl_sv_catsv_flags(pTHX_ SV *dsv, register SV *ssv, I32 flags)
{
+ dVAR;
if (ssv) {
STRLEN slen;
const char *spv = SvPV_const(ssv, slen);
void
Perl_sv_catpv(pTHX_ register SV *sv, register const char *ptr)
{
+ dVAR;
register STRLEN len;
STRLEN tlen;
char *junk;
SV *
Perl_newSV(pTHX_ STRLEN len)
{
+ dVAR;
register SV *sv;
new_SV(sv);
Perl_sv_magicext(pTHX_ SV* sv, SV* obj, int how, const MGVTBL *vtable,
const char* name, I32 namlen)
{
+ dVAR;
MAGIC* mg;
if (SvTYPE(sv) < SVt_PVMG) {
void
Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen)
{
+ dVAR;
const MGVTBL *vtable;
MAGIC* mg;
}
if (!SvMAGIC(sv)) {
SvMAGICAL_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ SvMAGIC_set(sv, NULL);
}
return 0;
void
Perl_sv_add_backref(pTHX_ SV *tsv, SV *sv)
{
+ dVAR;
AV *av;
- MAGIC *mg;
- if (SvMAGICAL(tsv) && (mg = mg_find(tsv, PERL_MAGIC_backref)))
- av = (AV*)mg->mg_obj;
- else {
- av = newAV();
- sv_magic(tsv, (SV*)av, PERL_MAGIC_backref, NULL, 0);
- /* av now has a refcnt of 2, which avoids it getting freed
- * before us during global cleanup. The extra ref is removed
- * by magic_killbackrefs() when tsv is being freed */
+
+ if (SvTYPE(tsv) == SVt_PVHV) {
+ AV **const avp = Perl_hv_backreferences_p(aTHX_ (HV*)tsv);
+
+ av = *avp;
+ if (!av) {
+ /* There is no AV in the offical place - try a fixup. */
+ MAGIC *const mg = mg_find(tsv, PERL_MAGIC_backref);
+
+ if (mg) {
+ /* Aha. They've got it stowed in magic. Bring it back. */
+ av = (AV*)mg->mg_obj;
+ /* Stop mg_free decreasing the refernce count. */
+ mg->mg_obj = NULL;
+ /* Stop mg_free even calling the destructor, given that
+ there's no AV to free up. */
+ mg->mg_virtual = 0;
+ sv_unmagic(tsv, PERL_MAGIC_backref);
+ } else {
+ av = newAV();
+ AvREAL_off(av);
+ SvREFCNT_inc(av);
+ }
+ *avp = av;
+ }
+ } else {
+ const MAGIC *const mg
+ = SvMAGICAL(tsv) ? mg_find(tsv, PERL_MAGIC_backref) : NULL;
+ if (mg)
+ av = (AV*)mg->mg_obj;
+ else {
+ av = newAV();
+ AvREAL_off(av);
+ sv_magic(tsv, (SV*)av, PERL_MAGIC_backref, NULL, 0);
+ /* av now has a refcnt of 2, which avoids it getting freed
+ * before us during global cleanup. The extra ref is removed
+ * by magic_killbackrefs() when tsv is being freed */
+ }
}
if (AvFILLp(av) >= AvMAX(av)) {
av_extend(av, AvFILLp(av)+1);
STATIC void
S_sv_del_backref(pTHX_ SV *tsv, SV *sv)
{
- AV *av;
+ dVAR;
+ AV *av = NULL;
SV **svp;
I32 i;
- MAGIC *mg = NULL;
- if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, PERL_MAGIC_backref))) {
+
+ if (SvTYPE(tsv) == SVt_PVHV && SvOOK(tsv)) {
+ av = *Perl_hv_backreferences_p(aTHX_ (HV*)tsv);
+ /* We mustn't attempt to "fix up" the hash here by moving the
+ backreference array back to the hv_aux structure, as that is stored
+ in the main HvARRAY(), and hfreentries assumes that no-one
+ reallocates HvARRAY() while it is running. */
+ }
+ if (!av) {
+ const MAGIC *const mg
+ = SvMAGICAL(tsv) ? mg_find(tsv, PERL_MAGIC_backref) : NULL;
+ if (mg)
+ av = (AV *)mg->mg_obj;
+ }
+ if (!av) {
if (PL_in_clean_all)
return;
- }
- if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, PERL_MAGIC_backref)))
Perl_croak(aTHX_ "panic: del_backref");
- av = (AV *)mg->mg_obj;
+ }
+
+ if (SvIS_FREED(av))
+ return;
+
svp = AvARRAY(av);
/* We shouldn't be in here more than once, but for paranoia reasons lets
not assume this. */
}
}
+int
+Perl_sv_kill_backrefs(pTHX_ SV *sv, AV *av)
+{
+ SV **svp = AvARRAY(av);
+
+ PERL_UNUSED_ARG(sv);
+
+ /* Not sure why the av can get freed ahead of its sv, but somehow it does
+ in ext/B/t/bytecode.t test 15 (involving print <DATA>) */
+ if (svp && !SvIS_FREED(av)) {
+ SV *const *const last = svp + AvFILLp(av);
+
+ while (svp <= last) {
+ if (*svp) {
+ SV *const referrer = *svp;
+ if (SvWEAKREF(referrer)) {
+ /* XXX Should we check that it hasn't changed? */
+ SvRV_set(referrer, 0);
+ SvOK_off(referrer);
+ SvWEAKREF_off(referrer);
+ } else if (SvTYPE(referrer) == SVt_PVGV ||
+ SvTYPE(referrer) == SVt_PVLV) {
+ /* You lookin' at me? */
+ assert(GvSTASH(referrer));
+ assert(GvSTASH(referrer) == (HV*)sv);
+ GvSTASH(referrer) = 0;
+ } else {
+ Perl_croak(aTHX_
+ "panic: magic_killbackrefs (flags=%"UVxf")",
+ (UV)SvFLAGS(referrer));
+ }
+
+ *svp = Nullsv;
+ }
+ svp++;
+ }
+ }
+ SvREFCNT_dec(av); /* remove extra count added by sv_add_backref() */
+ return 0;
+}
+
/*
=for apidoc sv_insert
void
Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, const char *little, STRLEN littlelen)
{
+ dVAR;
register char *big;
register char *mid;
register char *midend;
void
Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv)
{
+ dVAR;
const U32 refcnt = SvREFCNT(sv);
SV_CHECK_THINKFIRST_COW_DROP(sv);
if (SvREFCNT(nsv) != 1) {
cv_undef((CV*)sv);
goto freescalar;
case SVt_PVHV:
+ Perl_hv_kill_backrefs(aTHX_ (HV*)sv);
hv_undef((HV*)sv);
break;
case SVt_PVAV:
start = (U8*)SvPV_const(sv, len);
if (len) {
STRLEN boffset = 0;
- STRLEN *cache = 0;
+ STRLEN *cache = NULL;
const U8 *s = start;
I32 uoffset = *offsetp;
const U8 * const send = s + len;
- MAGIC *mg = 0;
- bool found = FALSE;
+ MAGIC *mg = NULL;
+ bool found = utf8_mg_pos(sv, &mg, &cache, 0, offsetp, *offsetp, &s, start, send);
- if (utf8_mg_pos(sv, &mg, &cache, 0, offsetp, *offsetp, &s, start, send))
- found = TRUE;
if (!found && uoffset > 0) {
while (s < send && uoffset--)
s += UTF8SKIP(s);
I32
Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2)
{
+ dVAR;
const char *pv1;
STRLEN cur1;
const char *pv2;
I32
Perl_sv_cmp(pTHX_ register SV *sv1, register SV *sv2)
{
+ dVAR;
STRLEN cur1, cur2;
const char *pv1, *pv2;
char *tpv = Nullch;
I32
Perl_sv_cmp_locale(pTHX_ register SV *sv1, register SV *sv2)
{
+ dVAR;
#ifdef USE_LOCALE_COLLATE
char *pv1, *pv2;
char *
Perl_sv_collxfrm(pTHX_ SV *sv, STRLEN *nxp)
{
+ dVAR;
MAGIC *mg;
mg = SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_collxfrm) : (MAGIC *) NULL;
char *
Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append)
{
+ dVAR;
const char *rsptr;
STRLEN rslen;
register STDCHAR rslast;
{
/*The big, slow, and stupid way. */
#ifdef USE_HEAP_INSTEAD_OF_STACK /* Even slower way. */
- STDCHAR *buf = 0;
+ STDCHAR *buf = NULL;
Newx(buf, 8192, STDCHAR);
assert(buf);
#else
void
Perl_sv_inc(pTHX_ register SV *sv)
{
+ dVAR;
register char *d;
int flags;
void
Perl_sv_dec(pTHX_ register SV *sv)
{
+ dVAR;
int flags;
if (!sv)
SV *
Perl_sv_mortalcopy(pTHX_ SV *oldstr)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_sv_newmortal(pTHX)
{
+ dVAR;
register SV *sv;
new_SV(sv);
{
dVAR;
if (!sv)
- return sv;
+ return NULL;
if (SvREADONLY(sv) && SvIMMORTAL(sv))
return sv;
EXTEND_MORTAL(1);
SV *
Perl_newSVpv(pTHX_ const char *s, STRLEN len)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newSVpvn(pTHX_ const char *s, STRLEN len)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newSVhek(pTHX_ const HEK *hek)
{
+ dVAR;
if (!hek) {
SV *sv;
SV *
Perl_newSVpvn_share(pTHX_ const char *src, I32 len, U32 hash)
{
+ dVAR;
register SV *sv;
bool is_utf8 = FALSE;
if (len < 0) {
SV *
Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args)
{
+ dVAR;
register SV *sv;
new_SV(sv);
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
SV *
Perl_newSVnv(pTHX_ NV n)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newSViv(pTHX_ IV i)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newSVuv(pTHX_ UV u)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newRV_noinc(pTHX_ SV *tmpRef)
{
+ dVAR;
register SV *sv;
new_SV(sv);
SV *
Perl_newRV(pTHX_ SV *tmpRef)
{
+ dVAR;
return newRV_noinc(SvREFCNT_inc(tmpRef));
}
SV *
Perl_newSVsv(pTHX_ register SV *old)
{
+ dVAR;
register SV *sv;
if (!old)
- return Nullsv;
+ return NULL;
if (SvTYPE(old) == SVTYPEMASK) {
if (ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ packWARN(WARN_INTERNAL), "semi-panic: attempt to dup freed string");
Perl_croak(aTHX_ PL_no_usym, "filehandle");
if (SvROK(sv))
return sv_2io(SvRV(sv));
- gv = gv_fetchsv(sv, FALSE, SVt_PVIO);
+ gv = gv_fetchsv(sv, 0, SVt_PVIO);
if (gv)
io = GvIO(gv);
else
Using various gambits, try to get a CV from an SV; in addition, try if
possible to set C<*st> and C<*gvp> to the stash and GV associated with it.
+The flags in C<lref> are passed to sv_fetchsv.
=cut
*/
CV *cv = Nullcv;
if (!sv)
- return *gvp = Nullgv, Nullcv;
+ return *st = NULL, *gvp = Nullgv, Nullcv;
switch (SvTYPE(sv)) {
case SVt_PVCV:
*st = CvSTASH(sv);
return (CV*)sv;
case SVt_PVHV:
case SVt_PVAV:
+ *st = NULL;
*gvp = Nullgv;
return Nullcv;
case SVt_PVGV:
else
gv = gv_fetchsv(sv, lref, SVt_PVCV);
*gvp = gv;
- if (!gv)
+ if (!gv) {
+ *st = NULL;
return Nullcv;
+ }
+ /* Some flags to gv_fetchsv mean don't really create the GV */
+ if (SvTYPE(gv) != SVt_PVGV) {
+ *st = NULL;
+ return NULL;
+ }
*st = GvESTASH(gv);
fix_gv:
if (lref && !GvCVu(gv)) {
char *
Perl_sv_pvn_force_flags(pTHX_ SV *sv, STRLEN *lp, I32 flags)
{
-
+ dVAR;
if (SvTHINKFIRST(sv) && !SvROK(sv))
sv_force_normal_flags(sv, 0);
SV*
Perl_newSVrv(pTHX_ SV *rv, const char *classname)
{
+ dVAR;
SV *sv;
new_SV(sv);
SV*
Perl_sv_setref_pv(pTHX_ SV *rv, const char *classname, void *pv)
{
+ dVAR;
if (!pv) {
sv_setsv(rv, &PL_sv_undef);
SvSETMAGIC(rv);
SV*
Perl_sv_bless(pTHX_ SV *sv, HV *stash)
{
+ dVAR;
SV *tmpRef;
if (!SvROK(sv))
Perl_croak(aTHX_ "Can't bless non-reference value");
STATIC void
S_sv_unglob(pTHX_ SV *sv)
{
+ dVAR;
void *xpvmg;
assert(SvTYPE(sv) == SVt_PVGV);
gp_free((GV*)sv);
if (GvSTASH(sv)) {
sv_del_backref((SV*)GvSTASH(sv), sv);
- GvSTASH(sv) = Nullhv;
+ GvSTASH(sv) = NULL;
}
sv_unmagic(sv, PERL_MAGIC_glob);
Safefree(GvNAME(sv));
sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, maybe_tainted);
}
-/* private function for use in sv_vcatpvfn via the EXPECT_NUMBER macro */
-
STATIC I32
S_expect_number(pTHX_ char** pattern)
{
+ dVAR;
I32 var = 0;
switch (**pattern) {
case '1': case '2': case '3':
}
return var;
}
-#define EXPECT_NUMBER(pattern, var) (var = S_expect_number(aTHX_ &pattern))
-static char *
-F0convert(NV nv, char *endbuf, STRLEN *len)
+STATIC char *
+S_F0convert(NV nv, char *endbuf, STRLEN *len)
{
const int neg = nv < 0;
UV uv;
void
Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted)
{
+ dVAR;
char *p;
char *q;
const char *patend;
STRLEN zeros = 0;
bool has_precis = FALSE;
STRLEN precis = 0;
- I32 osvix = svix;
+ const I32 osvix = svix;
bool is_utf8 = FALSE; /* is this item utf8? */
#ifdef HAS_LDBL_SPRINTF_BUG
/* This is to try to fix a bug with irix/nonstop-ux/powerux and
STRLEN n = 0;
if (*q == '-')
sv = *q++;
- EXPECT_NUMBER(q, n);
+ n = expect_number(&q);
if (*q++ == 'p') {
if (sv) { /* SVf */
if (n) {
q = r;
}
- if (EXPECT_NUMBER(q, width)) {
+ if ( (width = expect_number(&q)) ) {
if (*q == '$') {
++q;
efix = width;
tryasterisk:
if (*q == '*') {
q++;
- if (EXPECT_NUMBER(q, ewix))
+ if ( (ewix = expect_number(&q)) )
if (*q++ != '$')
goto unknown;
asterisk = TRUE;
{
if( *q == '0' )
fill = *q++;
- EXPECT_NUMBER(q, width);
+ width = expect_number(&q);
}
if (vectorize) {
vecsv = svargs[efix ? efix-1 : svix++];
vecstr = (U8*)SvPV_const(vecsv,veclen);
vec_utf8 = DO_UTF8(vecsv);
- /* if this is a version object, we need to return the
- * stringified representation (which the SvPVX_const has
- * already done for us), but not vectorize the args
+
+ /* if this is a version object, we need to convert
+ * back into v-string notation and then let the
+ * vectorize happen normally
*/
- if ( *q == 'd' && sv_derived_from(vecsv,"version") )
- {
- q++; /* skip past the rest of the %vd format */
- eptr = (const char *) vecstr;
- elen = veclen;
- if (elen && *eptr == 'v') {
- eptr++;
- elen--;
- }
- vectorize=FALSE;
- goto string;
+ if (sv_derived_from(vecsv, "version")) {
+ char *version = savesvpv(vecsv);
+ if ( hv_exists((HV*)SvRV(vecsv), "alpha", 5 ) ) {
+ Perl_warner(aTHX_ packWARN(WARN_INTERNAL),
+ "vector argument not supported with alpha versions");
+ goto unknown;
+ }
+ vecsv = sv_newmortal();
+ /* scan_vstring is expected to be called during
+ * tokenization, so we need to fake up the end
+ * of the buffer for it
+ */
+ PL_bufend = version + veclen;
+ scan_vstring(version, vecsv);
+ vecstr = (U8*)SvPV_const(vecsv, veclen);
+ vec_utf8 = DO_UTF8(vecsv);
+ Safefree(version);
}
}
else {
q++;
if (*q == '*') {
q++;
- if (EXPECT_NUMBER(q, epix) && *q++ != '$')
+ if ( ((epix = expect_number(&q))) && (*q++ != '$') )
goto unknown;
/* XXX: todo, support specified precision parameter */
if (epix)
"\"%%\\%03"UVof"\"",
(UV)c & 0xFF);
} else
- sv_catpv(msg, "end of string");
+ sv_catpvs(msg, "end of string");
Perl_warner(aTHX_ packWARN(WARN_PRINTF), "%"SVf, msg); /* yes, this is reentrant */
}
#define io_dup_inc(s,t) (IO*)SvREFCNT_inc(sv_dup((SV*)s,t))
#define gv_dup(s,t) (GV*)sv_dup((SV*)s,t)
#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)
+#define SAVEPV(p) ((p) ? savepv(p) : NULL)
+#define SAVEPVN(p,n) ((p) ? savepvn(p,n) : NULL)
/* Duplicate a regexp. Required reading: pregcomp() and pregfree() in
nmg->mg_obj = (SV*)re_dup((REGEXP*)mg->mg_obj, param);
}
else if(mg->mg_type == PERL_MAGIC_backref) {
- const AV * const av = (AV*) mg->mg_obj;
- SV **svp;
- I32 i;
- (void)SvREFCNT_inc(nmg->mg_obj = (SV*)newAV());
- svp = AvARRAY(av);
- for (i = AvFILLp(av); i >= 0; i--) {
- if (!svp[i]) continue;
- av_push((AV*)nmg->mg_obj,sv_dup(svp[i],param));
- }
+ /* The backref AV has its reference count deliberately bumped by
+ 1. */
+ nmg->mg_obj = SvREFCNT_inc(av_dup_inc((AV*) mg->mg_obj, param));
}
else if (mg->mg_type == PERL_MAGIC_symtab) {
nmg->mg_obj = mg->mg_obj;
if (mg->mg_type == PERL_MAGIC_overload_table &&
AMT_AMAGIC((AMT*)mg->mg_ptr))
{
- AMT * const amtp = (AMT*)mg->mg_ptr;
+ const AMT * const amtp = (AMT*)mg->mg_ptr;
AMT * const namtp = (AMT*)nmg->mg_ptr;
I32 i;
for (i = 1; i < NofAMmeth; i++) {
Perl_ptr_table_clear(pTHX_ PTR_TBL_t *tbl)
{
if (tbl && tbl->tbl_items) {
- register PTR_TBL_ENT_t **array = tbl->tbl_ary;
+ register PTR_TBL_ENT_t * const * const array = tbl->tbl_ary;
UV riter = tbl->tbl_max;
do {
void
-Perl_rvpv_dup(pTHX_ SV *dstr, SV *sstr, CLONE_PARAMS* param)
+Perl_rvpv_dup(pTHX_ SV *dstr, const SV *sstr, CLONE_PARAMS* param)
{
if (SvROK(sstr)) {
SvRV_set(dstr, SvWEAKREF(sstr)
if (SvTYPE(dstr) == SVt_RV)
SvRV_set(dstr, NULL);
else
- SvPV_set(dstr, 0);
+ SvPV_set(dstr, NULL);
}
}
/* duplicate an SV of any type (including AV, HV etc) */
SV *
-Perl_sv_dup(pTHX_ SV *sstr, CLONE_PARAMS* param)
+Perl_sv_dup(pTHX_ const SV *sstr, CLONE_PARAMS* param)
{
dVAR;
SV *dstr;
if (!sstr || SvTYPE(sstr) == SVTYPEMASK)
- return Nullsv;
+ return NULL;
/* look for it in the table first */
dstr = (SV*)ptr_table_fetch(PL_ptr_table, sstr);
if (dstr)
if(param->flags & CLONEf_JOIN_IN) {
/** We are joining here so we don't want do clone
something that is bad **/
- const char *hvname;
-
- if(SvTYPE(sstr) == SVt_PVHV &&
- (hvname = HvNAME_get(sstr))) {
- /** don't clone stashes if they already exist **/
- return (SV*)gv_stashpv(hvname,0);
+ if (SvTYPE(sstr) == SVt_PVHV) {
+ const char * const hvname = HvNAME_get(sstr);
+ if (hvname)
+ /** don't clone stashes if they already exist **/
+ return (SV*)gv_stashpv(hvname,0);
}
}
dstr->sv_debug_line = sstr->sv_debug_line;
dstr->sv_debug_inpad = sstr->sv_debug_inpad;
dstr->sv_debug_cloned = 1;
-# ifdef NETWARE
dstr->sv_debug_file = savepv(sstr->sv_debug_file);
-# else
- dstr->sv_debug_file = savesharedpv(sstr->sv_debug_file);
-# endif
#endif
ptr_table_store(PL_ptr_table, sstr, dstr);
case SVt_PVNV:
case SVt_PVIV:
case SVt_PV:
- assert(sv_type_details->copy);
+ assert(sv_type_details->size);
if (sv_type_details->arena) {
- new_body_inline(new_body, sv_type_details->copy, sv_type);
+ new_body_inline(new_body, sv_type_details->size, sv_type);
new_body
= (void*)((char*)new_body - sv_type_details->offset);
} else {
break;
case SVt_PVHV:
{
- HEK *hvname = 0;
+ HEK *hvname = NULL;
if (HvARRAY((HV*)sstr)) {
STRLEN i = 0;
daux->xhv_eiter = saux->xhv_eiter
? he_dup(saux->xhv_eiter,
(bool)!!HvSHAREKEYS(sstr), param) : 0;
+ daux->xhv_backreferences = saux->xhv_backreferences
+ ? (AV*) SvREFCNT_inc(
+ sv_dup((SV*)saux->
+ xhv_backreferences,
+ param))
+ : 0;
}
}
else {
ptr_table_store(PL_ptr_table, cxs, ncxs);
while (ix >= 0) {
- PERL_CONTEXT *cx = &cxs[ix];
- PERL_CONTEXT *ncx = &ncxs[ix];
+ PERL_CONTEXT * const cx = &cxs[ix];
+ PERL_CONTEXT * const ncx = &ncxs[ix];
ncx->cx_type = cx->cx_type;
if (CxTYPE(cx) == CXt_SUBST) {
Perl_croak(aTHX_ "Cloning substitution context is unimplemented");
: cv_dup(cx->blk_sub.cv,param));
ncx->blk_sub.argarray = (cx->blk_sub.hasargs
? av_dup_inc(cx->blk_sub.argarray, param)
- : Nullav);
+ : NULL);
ncx->blk_sub.savearray = av_dup_inc(cx->blk_sub.savearray, param);
ncx->blk_sub.olddepth = cx->blk_sub.olddepth;
ncx->blk_sub.hasargs = cx->blk_sub.hasargs;
PL_minus_p = proto_perl->Iminus_p;
PL_minus_l = proto_perl->Iminus_l;
PL_minus_a = proto_perl->Iminus_a;
+ PL_minus_E = proto_perl->Iminus_E;
PL_minus_F = proto_perl->Iminus_F;
PL_doswitches = proto_perl->Idoswitches;
PL_dowarn = proto_perl->Idowarn;
PL_regex_padav = newAV();
{
const I32 len = av_len((AV*)proto_perl->Iregex_padav);
- SV** const regexen = AvARRAY((AV*)proto_perl->Iregex_padav);
+ SV* const * const regexen = AvARRAY((AV*)proto_perl->Iregex_padav);
IV i;
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)))
- ));
- }
+ const SV * const regex = regexen[i];
+ SV * const sv =
+ SvREPADTMP(regex)
+ ? sv_dup_inc(regex, param)
+ : SvREFCNT_inc(
+ newSViv(PTR2IV(re_dup(
+ INT2PTR(REGEXP *, SvIVX(regex)), param))))
+ ;
+ av_push(PL_regex_padav, sv);
}
}
PL_regex_pad = AvARRAY(PL_regex_padav);
}
else
PL_exitlist = (PerlExitListEntry*)NULL;
+
+ PL_my_cxt_size = proto_perl->Imy_cxt_size;
+ if (PL_my_cxt_size) {
+ Newx(PL_my_cxt_list, PL_my_cxt_size, void *);
+ Copy(proto_perl->Imy_cxt_list, PL_my_cxt_list, PL_my_cxt_size, void *);
+ }
+ else
+ PL_my_cxt_list = (void**)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);
#endif
/* swatch cache */
- PL_last_swash_hv = Nullhv; /* reinits on demand */
+ PL_last_swash_hv = NULL; /* reinits on demand */
PL_last_swash_klen = 0;
PL_last_swash_key[0]= '\0';
PL_last_swash_tmps = (U8*)NULL;
else {
init_stacks();
ENTER; /* perl_destruct() wants to LEAVE; */
+
+ /* although we're not duplicating the tmps stack, we should still
+ * add entries for any SVs on the tmps stack that got cloned by a
+ * non-refcount means (eg a temp in @_); otherwise they will be
+ * orphaned
+ */
+ for (i = 0; i<= proto_perl->Ttmps_ix; i++) {
+ SV * const nsv = (SV*)ptr_table_fetch(PL_ptr_table,
+ proto_perl->Ttmps_stack[i]);
+ if (nsv && !SvREFCNT(nsv)) {
+ EXTEND_MORTAL(1);
+ PL_tmps_stack[++PL_tmps_ix] = SvREFCNT_inc(nsv);
+ }
+ }
}
PL_start_env = proto_perl->Tstart_env; /* XXXXXX */
STATIC I32
S_find_array_subscript(pTHX_ AV *av, SV* val)
{
+ dVAR;
SV** svp;
I32 i;
if (!av || SvMAGICAL(av) || !AvARRAY(av) ||
Perl_sv_catpvf(aTHX_ name, "[%"IVdf"]", (IV)aindex);
}
else if (subscript_type == FUV_SUBSCRIPT_WITHIN)
- sv_insert(name, 0, 0, "within ", 7);
+ Perl_sv_insert(aTHX_ name, 0, 0, STR_WITH_LEN("within "));
return name;
}
case OP_SCHOMP:
case OP_CHOMP:
if (SvROK(PL_rs) && uninit_sv == SvRV(PL_rs))
- return sv_2mortal(newSVpvn("${$/}", 5));
+ return sv_2mortal(newSVpvs("${$/}"));
/* FALL THROUGH */
default:
void
Perl_report_uninit(pTHX_ SV* uninit_sv)
{
+ dVAR;
if (PL_op) {
SV* varname = Nullsv;
if (uninit_sv) {
https://perl5.git.perl.org / perl5.git / blobdiff