/* sv.c
*
- * Copyright (c) 1991-2001, Larry Wall
+ * Copyright (c) 1991-2002, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
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
/*
+=head1 SV Manipulation Functions
+
=for apidoc sv_add_arena
Given a chunk of memory, link it to the head of the list of arenas,
svend = &sva[SvREFCNT(sva)];
for (sv = sva + 1; sv < svend; ++sv) {
if (SvTYPE(sv) != SVTYPEMASK && SvREFCNT(sv)) {
- (FCALL)(aTHXo_ sv);
+ (FCALL)(aTHX_ sv);
++visited;
}
}
return visited;
}
+#ifdef DEBUGGING
+
/* called by sv_report_used() for each live SV */
static void
-do_report_used(pTHXo_ SV *sv)
+do_report_used(pTHX_ SV *sv)
{
if (SvTYPE(sv) != SVTYPEMASK) {
PerlIO_printf(Perl_debug_log, "****\n");
sv_dump(sv);
}
}
+#endif
/*
=for apidoc sv_report_used
void
Perl_sv_report_used(pTHX)
{
+#ifdef DEBUGGING
visit(do_report_used);
+#endif
}
/* called by sv_clean_objs() for each live SV */
static void
-do_clean_objs(pTHXo_ SV *sv)
+do_clean_objs(pTHX_ SV *sv)
{
SV* rv;
#ifndef DISABLE_DESTRUCTOR_KLUDGE
static void
-do_clean_named_objs(pTHXo_ SV *sv)
+do_clean_named_objs(pTHX_ SV *sv)
{
if (SvTYPE(sv) == SVt_PVGV && GvGP(sv)) {
if ( SvOBJECT(GvSV(sv)) ||
/* called by sv_clean_all() for each live SV */
static void
-do_clean_all(pTHXo_ SV *sv)
+do_clean_all(pTHX_ SV *sv)
{
DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) ));
SvFLAGS(sv) |= SVf_BREAK;
{
if (PL_op)
Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit,
- " in ", PL_op_desc[PL_op->op_type]);
+ " in ", OP_DESC(PL_op));
else
Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit, "", "");
}
SvPVX(sv) = 0;
HvFILL(sv) = 0;
HvMAX(sv) = 0;
- HvKEYS(sv) = 0;
- SvNVX(sv) = 0.0;
+ HvTOTALKEYS(sv) = 0;
+ HvPLACEHOLDERS(sv) = 0;
SvMAGIC(sv) = magic;
SvSTASH(sv) = stash;
HvRITER(sv) = 0;
SvREADONLY_off(sv);
}
New(703, s, newlen, char);
+ if (SvPVX(sv) && SvCUR(sv)) {
+ Move(SvPVX(sv), s, SvCUR(sv), char);
+ }
}
SvPV_set(sv, s);
SvLEN_set(sv, newlen);
case SVt_PVFM:
case SVt_PVIO:
Perl_croak(aTHX_ "Can't coerce %s to integer in %s", sv_reftype(sv,0),
- PL_op_desc[PL_op->op_type]);
+ OP_DESC(PL_op));
}
(void)SvIOK_only(sv); /* validate number */
SvIVX(sv) = i;
case SVt_PVFM:
case SVt_PVIO:
Perl_croak(aTHX_ "Can't coerce %s to number in %s", sv_reftype(sv,0),
- PL_op_name[PL_op->op_type]);
+ OP_NAME(PL_op));
}
SvNVX(sv) = num;
(void)SvNOK_only(sv); /* validate number */
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);
- }
- }
- if (s < end) {
- *d++ = '.';
- *d++ = '.';
- *d++ = '.';
+ 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;
}
- *d = '\0';
if (PL_op)
Perl_warner(aTHX_ WARN_NUMERIC,
- "Argument \"%s\" isn't numeric in %s", tmpbuf,
- PL_op_desc[PL_op->op_type]);
+ "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);
}
/*
STATIC int
S_sv_2iuv_non_preserve(pTHX_ register SV *sv, I32 numtype)
{
- DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_2iuv_non '%s', IV=0x%"UVxf" NV=%g inttype=%"UVXf"\n", SvPVX(sv), SvIVX(sv), SvNVX(sv), (UV)numtype));
+ DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_2iuv_non '%s', IV=0x%"UVxf" NV=%"NVgf" inttype=%"UVXf"\n", SvPVX(sv), SvIVX(sv), SvNVX(sv), (UV)numtype));
if (SvNVX(sv) < (NV)IV_MIN) {
(void)SvIOKp_on(sv);
(void)SvNOK_on(sv);
) {
SvIOK_on(sv); /* Can this go wrong with rounding? NWC */
DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf" iv(%g => %"IVdf") (precise)\n",
+ "0x%"UVxf" iv(%"NVgf" => %"IVdf") (precise)\n",
PTR2UV(sv),
SvNVX(sv),
SvIVX(sv)));
that PV->IV would be better than PV->NV->IV
flags already correct - don't set public IOK. */
DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf" iv(%g => %"IVdf") (imprecise)\n",
+ "0x%"UVxf" iv(%"NVgf" => %"IVdf") (imprecise)\n",
PTR2UV(sv),
SvNVX(sv),
SvIVX(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);
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2iv(%" PERL_PRIgldbl ")\n",
PTR2UV(sv), SvNVX(sv)));
#else
- DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2iv(%g)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2iv(%"NVgf")\n",
PTR2UV(sv), SvNVX(sv)));
#endif
this NV is in the preserved range, therefore: */
if (!(U_V(SvNVX(sv) > 0 ? SvNVX(sv) : -SvNVX(sv))
< (UV)IV_MAX)) {
- Perl_croak(aTHX_ "sv_2iv assumed (U_V(fabs(SvNVX(sv))) < (UV)IV_MAX) but SvNVX(sv)=%g U_V is 0x%"UVxf", IV_MAX is 0x%"UVxf"\n", SvNVX(sv), U_V(SvNVX(sv)), (UV)IV_MAX);
+ Perl_croak(aTHX_ "sv_2iv assumed (U_V(fabs(SvNVX(sv))) < (UV)IV_MAX) but SvNVX(sv)=%"NVgf" U_V is 0x%"UVxf", IV_MAX is 0x%"UVxf"\n", SvNVX(sv), U_V(SvNVX(sv)), (UV)IV_MAX);
}
} else {
/* IN_UV NOT_INT
) {
SvIOK_on(sv); /* Can this go wrong with rounding? NWC */
DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf" uv(%g => %"IVdf") (precise)\n",
+ "0x%"UVxf" uv(%"NVgf" => %"IVdf") (precise)\n",
PTR2UV(sv),
SvNVX(sv),
SvIVX(sv)));
that PV->IV would be better than PV->NV->IV
flags already correct - don't set public IOK. */
DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf" uv(%g => %"IVdf") (imprecise)\n",
+ "0x%"UVxf" uv(%"NVgf" => %"IVdf") (imprecise)\n",
PTR2UV(sv),
SvNVX(sv),
SvIVX(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);
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2uv(%" PERL_PRIgldbl ")\n",
PTR2UV(sv), SvNVX(sv)));
#else
- DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2uv(%g)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2uv(%"NVgf")\n",
PTR2UV(sv), SvNVX(sv)));
#endif
this NV is in the preserved range, therefore: */
if (!(U_V(SvNVX(sv) > 0 ? SvNVX(sv) : -SvNVX(sv))
< (UV)IV_MAX)) {
- Perl_croak(aTHX_ "sv_2uv assumed (U_V(fabs(SvNVX(sv))) < (UV)IV_MAX) but SvNVX(sv)=%g U_V is 0x%"UVxf", IV_MAX is 0x%"UVxf"\n", SvNVX(sv), U_V(SvNVX(sv)), (UV)IV_MAX);
+ Perl_croak(aTHX_ "sv_2uv assumed (U_V(fabs(SvNVX(sv))) < (UV)IV_MAX) but SvNVX(sv)=%"NVgf" U_V is 0x%"UVxf", IV_MAX is 0x%"UVxf"\n", SvNVX(sv), U_V(SvNVX(sv)), (UV)IV_MAX);
}
} else
sv_2iuv_non_preserve (sv, numtype);
#else
DEBUG_c({
STORE_NUMERIC_LOCAL_SET_STANDARD();
- PerlIO_printf(Perl_debug_log, "0x%"UVxf" num(%g)\n",
+ PerlIO_printf(Perl_debug_log, "0x%"UVxf" num(%"NVgf")\n",
PTR2UV(sv), SvNVX(sv));
RESTORE_NUMERIC_LOCAL();
});
}
else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
- if (SvNOKp(sv) && !(SvIOK(sv) || SvPOK(sv))) {
- SvNOK_on(sv);
+ if (SvNOKp(sv)) {
+ return SvNVX(sv);
}
- else if (SvIOKp(sv)) {
+ if (SvIOKp(sv)) {
SvNVX(sv) = SvIsUV(sv) ? (NV)SvUVX(sv) : (NV)SvIVX(sv);
#ifdef NV_PRESERVES_UV
SvNOK_on(sv);
#else
DEBUG_c({
STORE_NUMERIC_LOCAL_SET_STANDARD();
- PerlIO_printf(Perl_debug_log, "0x%"UVxf" 1nv(%g)\n",
+ PerlIO_printf(Perl_debug_log, "0x%"UVxf" 1nv(%"NVgf")\n",
PTR2UV(sv), SvNVX(sv));
RESTORE_NUMERIC_LOCAL();
});
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<package;>
+ should eventually be removed. AMS 20011103 */
+ (svs ? HvNAME(svs) : "<none>"), s
+ );
+ }
else
sv_setpv(tsv, s);
Perl_sv_catpvf(aTHX_ tsv, "(0x%"UVxf")", PTR2UV(sv));
}
/*
+=for apidoc sv_copypv
+
+Copies a stringified representation of the source SV into the
+destination SV. Automatically performs any necessary mg_get and
+coercion of numeric values into strings. Guaranteed to preserve
+UTF-8 flag even from overloaded objects. Similar in nature to
+sv_2pv[_flags] but operates directly on an SV instead of just the
+string. Mostly uses sv_2pv_flags to do its work, except when that
+would lose the UTF-8'ness of the PV.
+
+=cut
+*/
+
+void
+Perl_sv_copypv(pTHX_ SV *dsv, register SV *ssv)
+{
+ SV *tmpsv = sv_newmortal();
+
+ if ( SvTHINKFIRST(ssv) && SvROK(ssv) && SvAMAGIC(ssv) ) {
+ tmpsv = AMG_CALLun(ssv,string);
+ if (SvTYPE(tmpsv) != SVt_RV || (SvRV(tmpsv) != SvRV(ssv)))
+ SvSetSV(dsv,tmpsv);
+ }
+ {
+ STRLEN len;
+ char *s;
+ s = SvPV(ssv,len);
+ sv_setpvn(tmpsv,s,len);
+ if (SvUTF8(ssv))
+ SvUTF8_on(tmpsv);
+ else
+ SvUTF8_off(tmpsv);
+ SvSetSV(dsv,tmpsv);
+ }
+}
+
+/*
=for apidoc sv_2pvbyte_nolen
Return a pointer to the byte-encoded representation of the SV.
=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
*/
if (SvROK(sv)) {
SV* tmpsv;
if (SvAMAGIC(sv) && (tmpsv=AMG_CALLun(sv,bool_)) &&
- (SvTYPE(tmpsv) != SVt_RV || (SvRV(tmpsv) != SvRV(sv))))
+ (!SvROK(tmpsv) || (SvRV(tmpsv) != SvRV(sv))))
return SvTRUE(tmpsv);
return SvRV(sv) != 0;
}
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 (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. */
+ 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);
}
- /* Mark as UTF-8 even if no hibit - saves scanning loop */
- SvUTF8_on(sv);
return SvCUR(sv);
}
if (!utf8_to_bytes(s, &len)) {
if (fail_ok)
return FALSE;
-#ifdef USE_BYTES_DOWNGRADES
- else if (IN_BYTES) {
- U8 *d = s;
- U8 *e = (U8 *) SvEND(sv);
- int first = 1;
- while (s < e) {
- UV ch = utf8n_to_uvchr(s,(e-s),&len,0);
- if (first && ch > 255) {
- if (PL_op)
- Perl_warner(aTHX_ WARN_UTF8, "Wide character in byte %s",
- PL_op_desc[PL_op->op_type]);
- else
- Perl_warner(aTHX_ WARN_UTF8, "Wide character in byte");
- first = 0;
- }
- *d++ = ch;
- s += len;
- }
- *d = '\0';
- len = (d - (U8 *) SvPVX(sv));
- }
-#endif
else {
if (PL_op)
Perl_croak(aTHX_ "Wide character in %s",
- PL_op_desc[PL_op->op_type]);
+ OP_DESC(PL_op));
else
Perl_croak(aTHX_ "Wide character");
}
case SVt_PVIO:
if (PL_op)
Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0),
- PL_op_name[PL_op->op_type]);
+ OP_NAME(PL_op));
else
Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0));
break;
GvENAME((GV*)dstr));
}
}
- cv_ckproto(cv, (GV*)dstr,
- SvPOK(sref) ? SvPVX(sref) : Nullch);
+ if (!intro)
+ cv_ckproto(cv, (GV*)dstr,
+ SvPOK(sref) ? SvPVX(sref) : Nullch);
}
GvCV(dstr) = (CV*)sref;
GvCVGEN(dstr) = 0; /* Switch off cacheness. */
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);
}
return sv;
}
-
/*
-=for apidoc sv_magic
+=for apidoc sv_magicext
-Adds magic to an SV. First upgrades C<sv> to type C<SVt_PVMG> if necessary,
-then adds a new magic item of type C<how> to the head of the magic list.
+Adds magic to an SV, upgrading it if necessary. Applies the
+supplied vtable and returns pointer to the magic added.
+
+Note that sv_magicext will allow things that sv_magic will not.
+In particular you can add magic to SvREADONLY SVs and and more than
+one instance of the same 'how'
-C<name> is assumed to contain an C<SV*> if C<(name && namelen == HEf_SVKEY)>
+I C<namelen> is greater then zero then a savepvn() I<copy> of C<name> is stored,
+if C<namelen> is zero then C<name> is stored as-is and - as another special
+case - if C<(name && namelen == HEf_SVKEY)> then C<name> is assumed to contain
+an C<SV*> and has its REFCNT incremented
+
+(This is now used as a subroutine by sv_magic.)
=cut
*/
-
-void
-Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen)
+MAGIC *
+Perl_sv_magicext(pTHX_ SV* sv, SV* obj, int how, MGVTBL *vtable,
+ const char* name, I32 namlen)
{
MAGIC* mg;
- if (SvREADONLY(sv)) {
- if (PL_curcop != &PL_compiling
- && how != PERL_MAGIC_regex_global
- && how != PERL_MAGIC_bm
- && how != PERL_MAGIC_fm
- && how != PERL_MAGIC_sv
- )
- {
- Perl_croak(aTHX_ PL_no_modify);
- }
- }
- if (SvMAGICAL(sv) || (how == PERL_MAGIC_taint && SvTYPE(sv) >= SVt_PVMG)) {
- if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
- if (how == PERL_MAGIC_taint)
- mg->mg_len |= 1;
- return;
- }
- }
- else {
- (void)SvUPGRADE(sv, SVt_PVMG);
+ if (SvTYPE(sv) < SVt_PVMG) {
+ (void)SvUPGRADE(sv, SVt_PVMG);
}
Newz(702,mg, 1, MAGIC);
mg->mg_moremagic = SvMAGIC(sv);
SvMAGIC(sv) = mg;
- /* Some magic contains a reference loop, where the sv and object refer to
- each other. To avoid a reference loop that would prevent such objects
- being freed, we look for such loops and if we find one we avoid
- incrementing the object refcount. */
+ /* Some magic sontains a reference loop, where the sv and object refer to
+ each other. To prevent a reference loop that would prevent such
+ objects being freed, we look for such loops and if we find one we
+ avoid incrementing the object refcount. */
if (!obj || obj == sv ||
how == PERL_MAGIC_arylen ||
how == PERL_MAGIC_qr ||
mg->mg_type = how;
mg->mg_len = namlen;
if (name) {
- if (namlen >= 0)
+ if (namlen > 0)
mg->mg_ptr = savepvn(name, namlen);
else if (namlen == HEf_SVKEY)
mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+ else
+ mg->mg_ptr = (char *) name;
+ }
+ mg->mg_virtual = vtable;
+
+ mg_magical(sv);
+ if (SvGMAGICAL(sv))
+ SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
+ return mg;
+}
+
+/*
+=for apidoc sv_magic
+
+Adds magic to an SV. First upgrades C<sv> to type C<SVt_PVMG> if necessary,
+then adds a new magic item of type C<how> to the head of the magic list.
+
+=cut
+*/
+
+void
+Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen)
+{
+ MAGIC* mg;
+ MGVTBL *vtable = 0;
+
+ if (SvREADONLY(sv)) {
+ if (PL_curcop != &PL_compiling
+ && how != PERL_MAGIC_regex_global
+ && how != PERL_MAGIC_bm
+ && how != PERL_MAGIC_fm
+ && how != PERL_MAGIC_sv
+ )
+ {
+ Perl_croak(aTHX_ PL_no_modify);
+ }
+ }
+ if (SvMAGICAL(sv) || (how == PERL_MAGIC_taint && SvTYPE(sv) >= SVt_PVMG)) {
+ if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
+ /* sv_magic() refuses to add a magic of the same 'how' as an
+ existing one
+ */
+ if (how == PERL_MAGIC_taint)
+ mg->mg_len |= 1;
+ return;
+ }
}
switch (how) {
case PERL_MAGIC_sv:
- mg->mg_virtual = &PL_vtbl_sv;
+ vtable = &PL_vtbl_sv;
break;
case PERL_MAGIC_overload:
- mg->mg_virtual = &PL_vtbl_amagic;
+ vtable = &PL_vtbl_amagic;
break;
case PERL_MAGIC_overload_elem:
- mg->mg_virtual = &PL_vtbl_amagicelem;
+ vtable = &PL_vtbl_amagicelem;
break;
case PERL_MAGIC_overload_table:
- mg->mg_virtual = &PL_vtbl_ovrld;
+ vtable = &PL_vtbl_ovrld;
break;
case PERL_MAGIC_bm:
- mg->mg_virtual = &PL_vtbl_bm;
+ vtable = &PL_vtbl_bm;
break;
case PERL_MAGIC_regdata:
- mg->mg_virtual = &PL_vtbl_regdata;
+ vtable = &PL_vtbl_regdata;
break;
case PERL_MAGIC_regdatum:
- mg->mg_virtual = &PL_vtbl_regdatum;
+ vtable = &PL_vtbl_regdatum;
break;
case PERL_MAGIC_env:
- mg->mg_virtual = &PL_vtbl_env;
+ vtable = &PL_vtbl_env;
break;
case PERL_MAGIC_fm:
- mg->mg_virtual = &PL_vtbl_fm;
+ vtable = &PL_vtbl_fm;
break;
case PERL_MAGIC_envelem:
- mg->mg_virtual = &PL_vtbl_envelem;
+ vtable = &PL_vtbl_envelem;
break;
case PERL_MAGIC_regex_global:
- mg->mg_virtual = &PL_vtbl_mglob;
+ vtable = &PL_vtbl_mglob;
break;
case PERL_MAGIC_isa:
- mg->mg_virtual = &PL_vtbl_isa;
+ vtable = &PL_vtbl_isa;
break;
case PERL_MAGIC_isaelem:
- mg->mg_virtual = &PL_vtbl_isaelem;
+ vtable = &PL_vtbl_isaelem;
break;
case PERL_MAGIC_nkeys:
- mg->mg_virtual = &PL_vtbl_nkeys;
+ vtable = &PL_vtbl_nkeys;
break;
case PERL_MAGIC_dbfile:
- SvRMAGICAL_on(sv);
- mg->mg_virtual = 0;
+ vtable = 0;
break;
case PERL_MAGIC_dbline:
- mg->mg_virtual = &PL_vtbl_dbline;
+ vtable = &PL_vtbl_dbline;
break;
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
case PERL_MAGIC_mutex:
- mg->mg_virtual = &PL_vtbl_mutex;
+ vtable = &PL_vtbl_mutex;
break;
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
#ifdef USE_LOCALE_COLLATE
case PERL_MAGIC_collxfrm:
- mg->mg_virtual = &PL_vtbl_collxfrm;
+ vtable = &PL_vtbl_collxfrm;
break;
#endif /* USE_LOCALE_COLLATE */
case PERL_MAGIC_tied:
- mg->mg_virtual = &PL_vtbl_pack;
+ vtable = &PL_vtbl_pack;
break;
case PERL_MAGIC_tiedelem:
case PERL_MAGIC_tiedscalar:
- mg->mg_virtual = &PL_vtbl_packelem;
+ vtable = &PL_vtbl_packelem;
break;
case PERL_MAGIC_qr:
- mg->mg_virtual = &PL_vtbl_regexp;
+ vtable = &PL_vtbl_regexp;
break;
case PERL_MAGIC_sig:
- mg->mg_virtual = &PL_vtbl_sig;
+ vtable = &PL_vtbl_sig;
break;
case PERL_MAGIC_sigelem:
- mg->mg_virtual = &PL_vtbl_sigelem;
+ vtable = &PL_vtbl_sigelem;
break;
case PERL_MAGIC_taint:
- mg->mg_virtual = &PL_vtbl_taint;
- mg->mg_len = 1;
+ vtable = &PL_vtbl_taint;
break;
case PERL_MAGIC_uvar:
- mg->mg_virtual = &PL_vtbl_uvar;
+ vtable = &PL_vtbl_uvar;
break;
case PERL_MAGIC_vec:
- mg->mg_virtual = &PL_vtbl_vec;
+ vtable = &PL_vtbl_vec;
break;
case PERL_MAGIC_substr:
- mg->mg_virtual = &PL_vtbl_substr;
+ vtable = &PL_vtbl_substr;
break;
case PERL_MAGIC_defelem:
- mg->mg_virtual = &PL_vtbl_defelem;
+ vtable = &PL_vtbl_defelem;
break;
case PERL_MAGIC_glob:
- mg->mg_virtual = &PL_vtbl_glob;
+ vtable = &PL_vtbl_glob;
break;
case PERL_MAGIC_arylen:
- mg->mg_virtual = &PL_vtbl_arylen;
+ vtable = &PL_vtbl_arylen;
break;
case PERL_MAGIC_pos:
- mg->mg_virtual = &PL_vtbl_pos;
+ vtable = &PL_vtbl_pos;
break;
case PERL_MAGIC_backref:
- mg->mg_virtual = &PL_vtbl_backref;
+ vtable = &PL_vtbl_backref;
break;
case PERL_MAGIC_ext:
/* Reserved for use by extensions not perl internals. */
/* Useful for attaching extension internal data to perl vars. */
/* Note that multiple extensions may clash if magical scalars */
/* etc holding private data from one are passed to another. */
- SvRMAGICAL_on(sv);
break;
default:
Perl_croak(aTHX_ "Don't know how to handle magic of type \\%o", how);
}
- mg_magical(sv);
- if (SvGMAGICAL(sv))
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
+
+ /* Rest of work is done else where */
+ mg = sv_magicext(sv,obj,how,vtable,name,namlen);
+
+ switch (how) {
+ case PERL_MAGIC_taint:
+ mg->mg_len = 1;
+ break;
+ case PERL_MAGIC_ext:
+ case PERL_MAGIC_dbfile:
+ SvRMAGICAL_on(sv);
+ break;
+ }
}
/*
if (vtbl && vtbl->svt_free)
CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) {
- if (mg->mg_len >= 0)
+ if (mg->mg_len > 0)
Safefree(mg->mg_ptr);
else if (mg->mg_len == HEf_SVKEY)
SvREFCNT_dec((SV*)mg->mg_ptr);
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;
}
else if (RsPARA(PL_rs)) {
rsptr = "\n\n";
rslen = 2;
+ rspara = 1;
}
else {
/* Get $/ i.e. PL_rs into same encoding as stream wants */
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;
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: entering, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt));
DEBUG_P(PerlIO_printf(Perl_debug_log,
- "Screamer: entering: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n",
+ "Screamer: entering: PerlIO * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n",
PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp),
PTR2UV(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0)));
for (;;) {
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: going to getc, ptr=%"UVuf", cnt=%ld\n",
PTR2UV(ptr),(long)cnt));
- PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
+ PerlIO_set_ptrcnt(fp, (STDCHAR*)ptr, cnt); /* deregisterize cnt and ptr */
+#if 0
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: pre: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n",
PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp),
PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
+#endif
/* This used to call 'filbuf' in stdio form, but as that behaves like
getc when cnt <= 0 we use PerlIO_getc here to avoid introducing
another abstraction. */
i = PerlIO_getc(fp); /* get more characters */
+#if 0
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: post: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n",
PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp),
PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
+#endif
cnt = PerlIO_get_cnt(fp);
ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
DEBUG_P(PerlIO_printf(Perl_debug_log,
cnt += shortbuffered;
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: quitting, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt));
- PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
+ PerlIO_set_ptrcnt(fp, (STDCHAR*)ptr, cnt); /* put these back or we're in trouble */
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: end: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n",
PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp),
}
}
- 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') {
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvTHINKFIRST(sv)) {
+ if (SvREADONLY(sv) && SvFAKE(sv))
+ sv_force_normal(sv);
if (SvREADONLY(sv)) {
if (PL_curcop != &PL_compiling)
Perl_croak(aTHX_ PL_no_modify);
}
if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) {
/* It's publicly an integer, or privately an integer-not-float */
+#ifdef PERL_PRESERVE_IVUV
oops_its_int:
+#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);
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);
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_inc punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"PERL_PRIgldbl"\n",
SvPVX(sv), SvIVX(sv), SvNVX(sv)));
#else
- DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_inc punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%g\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_inc punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"NVgf"\n",
SvPVX(sv), SvIVX(sv), SvNVX(sv)));
#endif
}
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvTHINKFIRST(sv)) {
+ if (SvREADONLY(sv) && SvFAKE(sv))
+ sv_force_normal(sv);
if (SvREADONLY(sv)) {
if (PL_curcop != &PL_compiling)
Perl_croak(aTHX_ PL_no_modify);
flags = SvFLAGS(sv);
if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) {
/* It's publicly an integer, or privately an integer-not-float */
+#ifdef PERL_PRESERVE_IVUV
oops_its_int:
+#endif
if (SvIsUV(sv)) {
if (SvUVX(sv) == 0) {
(void)SvIOK_only(sv);
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_dec punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"PERL_PRIgldbl"\n",
SvPVX(sv), SvIVX(sv), SvNVX(sv)));
#else
- DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_dec punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%g\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_dec punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"NVgf"\n",
SvPVX(sv), SvIVX(sv), SvNVX(sv)));
#endif
}
=for apidoc sv_mortalcopy
Creates a new SV which is a copy of the original SV (using C<sv_setsv>).
-The new SV is marked as mortal. It will be destroyed when the current
-context ends. See also C<sv_newmortal> and C<sv_2mortal>.
+The new SV is marked as mortal. It will be destroyed "soon", either by an
+explicit call to FREETMPS, or by an implicit call at places such as
+statement boundaries. See also C<sv_newmortal> and C<sv_2mortal>.
=cut
*/
=for apidoc sv_newmortal
Creates a new null SV which is mortal. The reference count of the SV is
-set to 1. It will be destroyed when the current context ends. See
-also C<sv_mortalcopy> and C<sv_2mortal>.
+set to 1. It will be destroyed "soon", either by an explicit call to
+FREETMPS, or by an implicit call at places such as statement boundaries.
+See also C<sv_mortalcopy> and C<sv_2mortal>.
=cut
*/
/*
=for apidoc sv_2mortal
-Marks an existing SV as mortal. The SV will be destroyed when the current
-context ends. See also C<sv_newmortal> and C<sv_mortalcopy>.
+Marks an existing SV as mortal. The SV will be destroyed "soon", either
+by an explicit call to FREETMPS, or by an implicit call at places such as
+statement boundaries. See also C<sv_newmortal> and C<sv_mortalcopy>.
=cut
*/
return sv_2pv(sv, lp);
}
+/* For -DCRIPPLED_CC only. See also C<sv_2pv_flags()>.
+ */
+
+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
else {
if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0),
- PL_op_name[PL_op->op_type]);
+ OP_NAME(PL_op));
}
else
s = sv_2pv_flags(sv, lp, flags);
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<package;> should eventually
+ be removed. AMS 20011103 */
+ return (svs ? HvNAME(svs) : "<none>");
+ }
else {
switch (SvTYPE(sv)) {
case SVt_NULL:
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;
}
I32 svix = 0;
static char nullstr[] = "(null)";
SV *argsv = Nullsv;
+ bool has_utf8 = FALSE; /* has the result utf8? */
/* no matter what, this is a string now */
(void)SvPV_force(sv, origlen);
}
}
+ if (!args && svix < svmax && DO_UTF8(*svargs))
+ has_utf8 = TRUE;
+
patend = (char*)pat + patlen;
for (p = (char*)pat; p < patend; p = q) {
bool alt = FALSE;
bool left = FALSE;
bool vectorize = FALSE;
bool vectorarg = FALSE;
- bool vec_utf = FALSE;
+ bool vec_utf8 = FALSE;
char fill = ' ';
char plus = 0;
char intsize = 0;
STRLEN zeros = 0;
bool has_precis = FALSE;
STRLEN precis = 0;
- bool is_utf = FALSE;
+ bool is_utf8 = FALSE; /* is this item utf8? */
char esignbuf[4];
U8 utf8buf[UTF8_MAXLEN+1];
char c;
int i;
unsigned base = 0;
- IV iv;
- UV uv;
+ IV iv = 0;
+ UV uv = 0;
NV nv;
STRLEN have;
STRLEN need;
svargs[ewix ? ewix-1 : svix++] : &PL_sv_undef;
dotstr = SvPVx(vecsv, dotstrlen);
if (DO_UTF8(vecsv))
- is_utf = TRUE;
+ is_utf8 = TRUE;
}
if (args) {
vecsv = va_arg(*args, SV*);
vecstr = (U8*)SvPVx(vecsv,veclen);
- vec_utf = DO_UTF8(vecsv);
+ vec_utf8 = DO_UTF8(vecsv);
}
else if (efix ? efix <= svmax : svix < svmax) {
vecsv = svargs[efix ? efix-1 : svix++];
vecstr = (U8*)SvPVx(vecsv,veclen);
- vec_utf = DO_UTF8(vecsv);
+ vec_utf8 = DO_UTF8(vecsv);
}
else {
vecstr = (U8*)"";
&& !IN_BYTES) {
eptr = (char*)utf8buf;
elen = uvchr_to_utf8((U8*)eptr, uv) - utf8buf;
- is_utf = TRUE;
+ is_utf8 = TRUE;
}
else {
c = (char)uv;
if (width) { /* fudge width (can't fudge elen) */
width += elen - sv_len_utf8(argsv);
}
- is_utf = TRUE;
+ is_utf8 = TRUE;
}
}
goto string;
argsv = va_arg(*args, SV*);
eptr = SvPVx(argsv, elen);
if (DO_UTF8(argsv))
- is_utf = TRUE;
+ is_utf8 = TRUE;
string:
vectorize = FALSE;
STRLEN ulen;
if (!veclen)
continue;
- if (vec_utf)
- iv = (IV)utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
+ if (vec_utf8)
+ 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) {
#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;
vector:
if (!veclen)
continue;
- if (vec_utf)
- uv = utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
+ if (vec_utf8)
+ uv = utf8n_to_uvchr(vecstr, veclen, &ulen,
+ UTF8_ALLOW_ANYUV);
else {
uv = *vecstr;
ulen = 1;
continue; /* not "break" */
}
+ if (is_utf8 != has_utf8) {
+ if (is_utf8) {
+ if (SvCUR(sv))
+ sv_utf8_upgrade(sv);
+ }
+ else {
+ SV *nsv = sv_2mortal(newSVpvn(eptr, elen));
+ sv_utf8_upgrade(nsv);
+ eptr = SvPVX(nsv);
+ elen = SvCUR(nsv);
+ }
+ SvGROW(sv, SvCUR(sv) + elen + 1);
+ p = SvEND(sv);
+ *p = '\0';
+ }
+
have = esignlen + zeros + elen;
need = (have > width ? have : width);
gap = need - have;
else
vectorize = FALSE; /* done iterating over vecstr */
}
- if (is_utf)
+ if (is_utf8)
+ has_utf8 = TRUE;
+ if (has_utf8)
SvUTF8_on(sv);
*p = '\0';
SvCUR(sv) = p - SvPVX(sv);
#if defined(USE_ITHREADS)
-#if defined(USE_THREADS)
-# include "error: USE_THREADS and USE_ITHREADS are incompatible"
+#if defined(USE_5005THREADS)
+# include "error: USE_5005THREADS and USE_ITHREADS are incompatible"
#endif
#ifndef GpREFCNT_inc
#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;
New(0, ret->endp, npar, I32);
Copy(r->startp, ret->startp, npar, I32);
- if (r->regstclass) {
- New(0, ret->regstclass, 1, regnode);
- ret->regstclass->flags = r->regstclass->flags;
- }
- else
- ret->regstclass = NULL;
-
New(0, ret->substrs, 1, struct reg_substr_data);
for (s = ret->substrs->data, i = 0; i < 3; i++, s++) {
s->min_offset = r->substrs->data[i].min_offset;
s->substr = sv_dup_inc(r->substrs->data[i].substr, param);
}
+ ret->regstclass = NULL;
if (r->data) {
struct reg_data *d;
int count = r->data->count;
New(0, d->data[i], 1, struct regnode_charclass_class);
StructCopy(r->data->data[i], d->data[i],
struct regnode_charclass_class);
+ ret->regstclass = (regnode*)d->data[i];
break;
case 'o':
+ /* Compiled op trees are readonly, and can thus be
+ shared without duplication. */
+ d->data[i] = (void*)OpREFCNT_inc((OP*)r->data->data[i]);
+ break;
case 'n':
d->data[i] = r->data->data[i];
break;
Copy(r->offsets, ret->offsets, 2*len+1, U32);
ret->precomp = SAVEPV(r->precomp);
- ret->subbeg = SAVEPV(r->subbeg);
- ret->sublen = r->sublen;
ret->refcnt = r->refcnt;
ret->minlen = r->minlen;
ret->prelen = r->prelen;
ret->lastcloseparen = r->lastcloseparen;
ret->reganch = r->reganch;
+ ret->sublen = r->sublen;
+
+ if (RX_MATCH_COPIED(ret))
+ ret->subbeg = SAVEPV(r->subbeg);
+ else
+ ret->subbeg = Nullch;
+
ptr_table_store(PL_ptr_table, r, ret);
return ret;
}
/* 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)
return ret;
/* create anew and remember what it is */
- ret = PerlIO_fdupopen(aTHX_ fp);
+ ret = PerlIO_fdupopen(aTHX_ fp, param, PERLIO_DUP_CLONE);
ptr_table_store(PL_ptr_table, fp, ret);
return ret;
}
/* 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)
/* 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;
nmg->mg_len = mg->mg_len;
nmg->mg_ptr = mg->mg_ptr; /* XXX random ptr? */
if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) {
- if (mg->mg_len >= 0) {
+ if (mg->mg_len > 0) {
nmg->mg_ptr = SAVEPVN(mg->mg_ptr, mg->mg_len);
if (mg->mg_type == PERL_MAGIC_overload_table &&
AMT_AMAGIC((AMT*)mg->mg_ptr))
else if (mg->mg_len == HEf_SVKEY)
nmg->mg_ptr = (char*)sv_dup_inc((SV*)mg->mg_ptr, param);
}
+ if ((mg->mg_flags & MGf_DUP) && mg->mg_virtual && mg->mg_virtual->svt_dup) {
+ CALL_FPTR(nmg->mg_virtual->svt_dup)(aTHX_ nmg, param);
+ }
mgprev = nmg;
}
return mgret;
/* duplicate an SV of any type (including AV, HV etc) */
+void
+Perl_rvpv_dup(pTHX_ SV *dstr, SV *sstr, CLONE_PARAMS* param)
+{
+ if (SvROK(sstr)) {
+ SvRV(dstr) = SvWEAKREF(sstr)
+ ? sv_dup(SvRV(sstr), param)
+ : sv_dup_inc(SvRV(sstr), param);
+ }
+ else if (SvPVX(sstr)) {
+ /* Has something there */
+ if (SvLEN(sstr)) {
+ /* Normal PV - clone whole allocated space */
+ SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
+ }
+ else {
+ /* Special case - not normally malloced for some reason */
+ if (SvREADONLY(sstr) && SvFAKE(sstr)) {
+ /* A "shared" PV - clone it as unshared string */
+ SvFAKE_off(dstr);
+ SvREADONLY_off(dstr);
+ SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvCUR(sstr));
+ }
+ else {
+ /* Some other special case - random pointer */
+ SvPVX(dstr) = SvPVX(sstr);
+ }
+ }
+ }
+ else {
+ /* Copy the Null */
+ SvPVX(dstr) = SvPVX(sstr);
+ }
+}
+
SV *
-Perl_sv_dup(pTHX_ SV *sstr, clone_params* param)
+Perl_sv_dup(pTHX_ SV *sstr, CLONE_PARAMS* param)
{
SV *dstr;
break;
case SVt_RV:
SvANY(dstr) = new_XRV();
- SvRV(dstr) = SvRV(sstr) && SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PV:
SvANY(dstr) = new_XPV();
SvCUR(dstr) = SvCUR(sstr);
SvLEN(dstr) = SvLEN(sstr);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVIV:
SvANY(dstr) = new_XPVIV();
SvCUR(dstr) = SvCUR(sstr);
SvLEN(dstr) = SvLEN(sstr);
SvIVX(dstr) = SvIVX(sstr);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVNV:
SvANY(dstr) = new_XPVNV();
SvLEN(dstr) = SvLEN(sstr);
SvIVX(dstr) = SvIVX(sstr);
SvNVX(dstr) = SvNVX(sstr);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVMG:
SvANY(dstr) = new_XPVMG();
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVBM:
SvANY(dstr) = new_XPVBM();
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
BmRARE(dstr) = BmRARE(sstr);
BmUSEFUL(dstr) = BmUSEFUL(sstr);
BmPREVIOUS(dstr)= BmPREVIOUS(sstr);
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
LvTARGOFF(dstr) = LvTARGOFF(sstr); /* XXX sometimes holds PMOP* when DEBUGGING */
LvTARGLEN(dstr) = LvTARGLEN(sstr);
LvTARG(dstr) = sv_dup_inc(LvTARG(sstr), param);
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
GvNAMELEN(dstr) = GvNAMELEN(sstr);
GvNAME(dstr) = SAVEPVN(GvNAME(sstr), GvNAMELEN(sstr));
GvSTASH(dstr) = hv_dup_inc(GvSTASH(sstr), param);
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvROK(sstr))
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
- else if (SvPVX(sstr) && SvLEN(sstr))
- 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));
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
+ 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));
SvNVX(dstr) = SvNVX(sstr);
SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
- if (SvPVX(sstr) && SvLEN(sstr))
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
- else
- SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */
+ Perl_rvpv_dup(aTHX_ dstr, sstr, param);
CvSTASH(dstr) = hv_dup(CvSTASH(sstr), param); /* NOTE: not refcounted */
CvSTART(dstr) = CvSTART(sstr);
CvROOT(dstr) = OpREFCNT_inc(CvROOT(sstr));
CvXSUB(dstr) = CvXSUB(sstr);
CvXSUBANY(dstr) = CvXSUBANY(sstr);
+ if (CvCONST(sstr)) {
+ CvXSUBANY(dstr).any_ptr = GvUNIQUE(CvGV(sstr)) ?
+ SvREFCNT_inc(CvXSUBANY(sstr).any_ptr) :
+ sv_dup_inc(CvXSUBANY(sstr).any_ptr, param);
+ }
CvGV(dstr) = gv_dup(CvGV(sstr), param);
if (param->flags & CLONEf_COPY_STACKS) {
CvDEPTH(dstr) = CvDEPTH(sstr);
/* 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;
/* 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;
/* see if it is part of the interpreter structure */
if (v >= (void*)proto_perl && v < (void*)(proto_perl+1))
- ret = (void*)(((char*)aTHXo) + (((char*)v) - (char*)proto_perl));
- else
+ ret = (void*)(((char*)aTHX) + (((char*)v) - (char*)proto_perl));
+ else {
ret = v;
+ }
return ret;
}
/* 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;
GP *gp;
IV iv;
I32 i;
- char *c;
+ char *c = NULL;
void (*dptr) (void*);
- void (*dxptr) (pTHXo_ void*);
+ void (*dxptr) (pTHX_ void*);
OP *o;
Newz(54, nss, max, ANY);
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
break;
+ case SAVEt_SHARED_PVREF: /* char* in shared space */
+ c = (char*)POPPTR(ss,ix);
+ TOPPTR(nss,ix) = savesharedpv(c);
+ ptr = POPPTR(ss,ix);
+ TOPPTR(nss,ix) = any_dup(ptr, proto_perl);
+ break;
case SAVEt_GENERIC_SVREF: /* generic sv */
case SAVEt_SVREF: /* scalar reference */
sv = (SV*)POPPTR(ss,ix);
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);
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */
dxptr = POPDXPTR(ss,ix);
- TOPDXPTR(nss,ix) = (void (*)(pTHXo_ void*))any_dup((void *)dxptr, proto_perl);
+ TOPDXPTR(nss,ix) = (void (*)(pTHX_ void*))any_dup((void *)dxptr, proto_perl);
break;
case SAVEt_REGCONTEXT:
case SAVEt_ALLOC:
return nss;
}
-#ifdef PERL_OBJECT
-#include "XSUB.h"
-#endif
-
/*
=for apidoc perl_clone
*/
/* XXX the above needs expanding by someone who actually understands it ! */
+EXTERN_C PerlInterpreter *
+perl_clone_host(PerlInterpreter* proto_perl, UV flags);
PerlInterpreter *
perl_clone(PerlInterpreter *proto_perl, UV flags)
{
-#ifdef PERL_OBJECT
- CPerlObj *pPerl = (CPerlObj*)proto_perl;
-#endif
-
#ifdef PERL_IMPLICIT_SYS
/* perlhost.h so we need to call into it
* their pointers copied. */
IV i;
- clone_params* param = (clone_params*) malloc(sizeof(clone_params));
-
+ CLONE_PARAMS clone_params;
+ CLONE_PARAMS* param = &clone_params;
-
-# ifdef PERL_OBJECT
- CPerlObj *pPerl = new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, ipLIO,
- ipD, ipS, ipP);
- PERL_SET_THX(pPerl);
-# else /* !PERL_OBJECT */
PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter));
PERL_SET_THX(my_perl);
-# ifdef DEBUGGING
+# ifdef DEBUGGING
memset(my_perl, 0xab, sizeof(PerlInterpreter));
PL_markstack = 0;
PL_scopestack = 0;
PL_savestack = 0;
PL_retstack = 0;
PL_sig_pending = 0;
-# else /* !DEBUGGING */
+ Zero(&PL_debug_pad, 1, struct perl_debug_pad);
+# else /* !DEBUGGING */
Zero(my_perl, 1, PerlInterpreter);
-# endif /* DEBUGGING */
+# endif /* DEBUGGING */
/* host pointers */
PL_Mem = ipM;
PL_Dir = ipD;
PL_Sock = ipS;
PL_Proc = ipP;
-# endif /* PERL_OBJECT */
#else /* !PERL_IMPLICIT_SYS */
IV i;
- clone_params* param = (clone_params*) malloc(sizeof(clone_params));
+ CLONE_PARAMS clone_params;
+ CLONE_PARAMS* param = &clone_params;
PerlInterpreter *my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
PERL_SET_THX(my_perl);
PL_savestack = 0;
PL_retstack = 0;
PL_sig_pending = 0;
+ Zero(&PL_debug_pad, 1, struct perl_debug_pad);
# else /* !DEBUGGING */
Zero(my_perl, 1, PerlInterpreter);
# endif /* DEBUGGING */
SvFLAGS(&PL_sv_undef) = SVf_READONLY|SVt_NULL;
ptr_table_store(PL_ptr_table, &proto_perl->Isv_undef, &PL_sv_undef);
-#ifdef PERL_OBJECT
- SvUPGRADE(&PL_sv_no, SVt_PVNV);
-#else
SvANY(&PL_sv_no) = new_XPVNV();
-#endif
SvREFCNT(&PL_sv_no) = (~(U32)0)/2;
SvFLAGS(&PL_sv_no) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV;
SvPVX(&PL_sv_no) = SAVEPVN(PL_No, 0);
SvNVX(&PL_sv_no) = 0;
ptr_table_store(PL_ptr_table, &proto_perl->Isv_no, &PL_sv_no);
-#ifdef PERL_OBJECT
- SvUPGRADE(&PL_sv_yes, SVt_PVNV);
-#else
SvANY(&PL_sv_yes) = new_XPVNV();
-#endif
SvREFCNT(&PL_sv_yes) = (~(U32)0)/2;
SvFLAGS(&PL_sv_yes) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV;
SvPVX(&PL_sv_yes) = SAVEPVN(PL_Yes, 1);
SvNVX(&PL_sv_yes) = 1;
ptr_table_store(PL_ptr_table, &proto_perl->Isv_yes, &PL_sv_yes);
- /* create shared string table */
+ /* create (a non-shared!) shared string table */
PL_strtab = newHV();
HvSHAREKEYS_off(PL_strtab);
hv_ksplit(PL_strtab, 512);
ptr_table_store(PL_ptr_table, proto_perl->Istrtab, PL_strtab);
- PL_compiling = proto_perl->Icompiling;
- PL_compiling.cop_stashpv = SAVEPV(PL_compiling.cop_stashpv);
- PL_compiling.cop_file = SAVEPV(PL_compiling.cop_file);
+ PL_compiling = proto_perl->Icompiling;
+
+ /* These two PVs will be free'd special way so must set them same way op.c does */
+ PL_compiling.cop_stashpv = savesharedpv(PL_compiling.cop_stashpv);
+ ptr_table_store(PL_ptr_table, proto_perl->Icompiling.cop_stashpv, PL_compiling.cop_stashpv);
+
+ PL_compiling.cop_file = savesharedpv(PL_compiling.cop_file);
+ ptr_table_store(PL_ptr_table, proto_perl->Icompiling.cop_file, PL_compiling.cop_file);
+
ptr_table_store(PL_ptr_table, &proto_perl->Icompiling, &PL_compiling);
if (!specialWARN(PL_compiling.cop_warnings))
PL_compiling.cop_warnings = sv_dup_inc(PL_compiling.cop_warnings, param);
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);
PL_e_script = sv_dup_inc(proto_perl->Ie_script, param);
PL_perldb = proto_perl->Iperldb;
PL_perl_destruct_level = proto_perl->Iperl_destruct_level;
+ PL_exit_flags = proto_perl->Iexit_flags;
/* magical thingies */
/* XXX time(&PL_basetime) when asked for? */
#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);
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);
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);
PL_origalen = proto_perl->Iorigalen;
PL_pidstatus = newHV(); /* XXX flag for cloning? */
PL_osname = SAVEPV(proto_perl->Iosname);
- PL_sh_path = SAVEPV(proto_perl->Ish_path);
+ PL_sh_path = proto_perl->Ish_path; /* XXX never deallocated */
PL_sighandlerp = proto_perl->Isighandlerp;
#ifdef CSH
PL_cshlen = proto_perl->Icshlen;
- PL_cshname = SAVEPVN(proto_perl->Icshname, PL_cshlen);
+ PL_cshname = proto_perl->Icshname; /* XXX never deallocated */
#endif
PL_lex_state = proto_perl->Ilex_state;
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 */
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);
PL_reg_re = (regexp*)NULL;
PL_reg_ganch = Nullch;
PL_reg_sv = Nullsv;
+ PL_reg_match_utf8 = FALSE;
PL_reg_magic = (MAGIC*)NULL;
PL_reg_oldpos = 0;
PL_reg_oldcurpm = (PMOP*)NULL;
PL_reginterp_cnt = 0;
PL_reg_starttry = 0;
+ /* Pluggable optimizer */
+ PL_peepp = proto_perl->Tpeepp;
+
if (!(flags & CLONEf_KEEP_PTR_TABLE)) {
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.
*/
}
SvREFCNT_dec(param->stashes);
- Safefree(param);
-#ifdef PERL_OBJECT
- return (PerlInterpreter*)pPerl;
-#else
return my_perl;
-#endif
}
-#else /* !USE_ITHREADS */
+#endif /* USE_ITHREADS */
+
+/*
+=head1 Unicode Support
+
+=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<Encode::XS> Encoding object, bad things will happen.
+(See F<lib/encoding.pm> and L<Encode>).
+
+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);
+}
-#ifdef PERL_OBJECT
-#include "XSUB.h"
-#endif
-#endif /* USE_ITHREADS */
https://perl5.git.perl.org / perl5.git / blobdiff