/*
+=head1 SV Manipulation Functions
+
=for apidoc sv_add_arena
Given a chunk of memory, link it to the head of the list of arenas,
return visited;
}
+#ifdef DEBUGGING
+
/* called by sv_report_used() for each live SV */
static void
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 */
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;
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;
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);
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
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
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));
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;
}
}
if (hibit) {
STRLEN len;
-
+
len = SvCUR(sv) + 1; /* Plus the \0 */
SvPVX(sv) = (char*)bytes_to_utf8((U8*)s, &len);
SvCUR(sv) = len - 1;
}
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<name> is NULL then namelen bytes are allocated and Zero()-ed),
+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_5005THREADS
case PERL_MAGIC_mutex:
- mg->mg_virtual = &PL_vtbl_mutex;
+ vtable = &PL_vtbl_mutex;
break;
#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);
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 (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);
#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);
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
}
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:
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];
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)
- uv = utf8n_to_uvchr(vecstr, veclen, &ulen, UTF8_ALLOW_ANYUV);
+ if (vec_utf8)
+ uv = utf8n_to_uvchr(vecstr, veclen, &ulen,
+ UTF8_ALLOW_ANYUV);
else {
uv = *vecstr;
ulen = 1;
vector:
if (!veclen)
continue;
- if (vec_utf)
- uv = utf8n_to_uvchr(vecstr, veclen, &ulen, UTF8_ALLOW_ANYUV);
+ 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);
return ret;
/* create anew and remember what it is */
- ret = PerlIO_fdupopen(aTHX_ fp, param);
+ ret = PerlIO_fdupopen(aTHX_ fp, param, PERLIO_DUP_CLONE);
ptr_table_store(PL_ptr_table, fp, ret);
return ret;
}
/* 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)
{
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? */
+ 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);
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));
/* see if it is part of the interpreter structure */
if (v >= (void*)proto_perl && v < (void*)(proto_perl+1))
ret = (void*)(((char*)aTHX) + (((char*)v) - (char*)proto_perl));
- else
+ else {
ret = v;
+ }
return ret;
}
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);
* their pointers copied. */
IV i;
- CLONE_PARAMS* param = (CLONE_PARAMS*) malloc(sizeof(CLONE_PARAMS));
+ CLONE_PARAMS clone_params;
+ CLONE_PARAMS* param = &clone_params;
PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, 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 */
PL_Proc = ipP;
#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 */
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_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 */
}
SvREFCNT_dec(param->stashes);
- Safefree(param);
return my_perl;
}
#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
SPAGAIN;
uni = POPs;
PUTBACK;
- s = SvPVutf8(uni, len);
+ s = SvPV(uni, len);
if (s != SvPVX(sv)) {
SvGROW(sv, len);
Move(s, SvPVX(sv), len, char);
projects / p5sagit/p5-mst-13.2.git / blobdiff