#define del_SV(p) \
STMT_START { \
LOCK_SV_MUTEX; \
- if (PL_debug & 32768) \
+ if (DEBUG_D_TEST) \
del_sv(p); \
else \
plant_SV(p); \
STATIC void
S_del_sv(pTHX_ SV *p)
{
- if (PL_debug & 32768) {
+ if (DEBUG_D_TEST) {
SV* sva;
SV* sv;
SV* svend;
I32 numtype = 0;
I32 sawinf = 0;
STRLEN len;
+#ifdef USE_LOCALE_NUMERIC
+ bool specialradix = FALSE;
+#endif
if (SvPOK(sv)) {
sbegin = SvPVX(sv);
if (*s == '.'
#ifdef USE_LOCALE_NUMERIC
- || IS_NUMERIC_RADIX(*s)
+ || (specialradix = IS_NUMERIC_RADIX(s))
#endif
) {
- s++;
+#ifdef USE_LOCALE_NUMERIC
+ if (specialradix)
+ s += SvCUR(PL_numeric_radix);
+ else
+#endif
+ s++;
numtype |= IS_NUMBER_NOT_INT;
while (isDIGIT(*s)) /* optional digits after the radix */
s++;
}
else if (*s == '.'
#ifdef USE_LOCALE_NUMERIC
- || IS_NUMERIC_RADIX(*s)
+ || (specialradix = IS_NUMERIC_RADIX(s))
#endif
) {
- s++;
+#ifdef USE_LOCALE_NUMERIC
+ if (specialradix)
+ s += SvCUR(PL_numeric_radix);
+ else
+#endif
+ s++;
numtype |= IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_INT;
/* no digits before the radix means we need digits after it */
if (isDIGIT(*s)) {
char *
Perl_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp)
{
- return sv_2pv(sv,lp);
+ sv_utf8_downgrade(sv,0);
+ return SvPV(sv,*lp);
}
char *
=for apidoc sv_utf8_upgrade
Convert the PV of an SV to its UTF8-encoded form.
+Forces the SV to string form it it is not already.
+Always sets the SvUTF8 flag to avoid future validity checks even
+if all the bytes have hibit clear.
=cut
*/
-void
+STRLEN
Perl_sv_utf8_upgrade(pTHX_ register SV *sv)
{
char *s, *t, *e;
int hibit = 0;
- if (!sv || !SvPOK(sv) || SvUTF8(sv))
- return;
+ if (!sv)
+ return 0;
+
+ if (!SvPOK(sv))
+ (void) SvPV_nolen(sv);
+
+ if (SvUTF8(sv))
+ return SvCUR(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.
if (hibit) {
STRLEN len;
+
if (SvREADONLY(sv) && SvFAKE(sv)) {
sv_force_normal(sv);
s = SvPVX(sv);
if (SvLEN(sv) != 0)
Safefree(s); /* No longer using what was there before. */
SvLEN(sv) = len; /* No longer know the real size. */
- SvUTF8_on(sv);
}
+ /* Mark as UTF-8 even if no hibit - saves scanning loop */
+ SvUTF8_on(sv);
+ return SvCUR(sv);
}
/*
{
if (SvPOK(sv) && SvUTF8(sv)) {
if (SvCUR(sv)) {
- char *c = SvPVX(sv);
- STRLEN len = SvCUR(sv);
+ U8 *s;
+ STRLEN len;
- if (!utf8_to_bytes((U8*)c, &len)) {
+ if (SvREADONLY(sv) && SvFAKE(sv))
+ sv_force_normal(sv);
+ s = (U8 *) SvPV(sv, len);
+ if (!utf8_to_bytes(s, &len)) {
if (fail_ok)
return FALSE;
+#ifdef USE_BYTES_DOWNGRADES
+ else if (IN_BYTE) {
+ 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",
}
SvCUR(sv) = len;
}
- SvUTF8_off(sv);
}
-
+ SvUTF8_off(sv);
return TRUE;
}
=for apidoc sv_utf8_encode
Convert the PV of an SV to UTF8-encoded, but then turn off the C<SvUTF8>
-flag so that it looks like bytes again. Nothing calls this.
+flag so that it looks like octets again. Used as a building block
+for encode_utf8 in Encode.xs
=cut
*/
void
Perl_sv_utf8_encode(pTHX_ register SV *sv)
{
- sv_utf8_upgrade(sv);
+ (void) sv_utf8_upgrade(sv);
SvUTF8_off(sv);
}
+/*
+=for apidoc sv_utf8_decode
+
+Convert the octets in the PV from UTF-8 to chars. Scan for validity and then
+turn of SvUTF8 if needed so that we see characters. Used as a building block
+for decode_utf8 in Encode.xs
+
+=cut
+*/
+
+
+
bool
Perl_sv_utf8_decode(pTHX_ register SV *sv)
{
if (SvPOK(sv)) {
char *c;
char *e;
- bool has_utf = FALSE;
+
+ /* The octets may have got themselves encoded - get them back as bytes */
if (!sv_utf8_downgrade(sv, TRUE))
return FALSE;
&& GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr)))
Perl_croak(aTHX_ "Can't redefine active sort subroutine %s",
GvNAME(dstr));
+
+#ifdef GV_SHARED_CHECK
+ if (GvSHARED((GV*)dstr)) {
+ Perl_croak(aTHX_ PL_no_modify);
+ }
+#endif
+
(void)SvOK_off(dstr);
GvINTRO_off(dstr); /* one-shot flag */
gp_free((GV*)dstr);
SV *dref = 0;
int intro = GvINTRO(dstr);
+#ifdef GV_SHARED_CHECK
+ if (GvSHARED((GV*)dstr)) {
+ Perl_croak(aTHX_ PL_no_modify);
+ }
+#endif
+
if (intro) {
GP *gp;
gp_free((GV*)dstr);
if (!GvCVGEN((GV*)dstr) &&
(CvROOT(cv) || CvXSUB(cv)))
{
- SV *const_sv;
/* ahem, death to those who redefine
* active sort subs */
if (PL_curstackinfo->si_type == PERLSI_SORT &&
if (sflags & SVf_IOK)
(void)SvIOK_only(dstr);
else {
- SvOK_off(dstr);
- SvIOKp_on(dstr);
+ (void)SvOK_off(dstr);
+ (void)SvIOKp_on(dstr);
}
/* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */
if (sflags & SVf_IVisUV)
if (sflags & SVf_NOK)
(void)SvNOK_only(dstr);
else {
- SvOK_off(dstr);
+ (void)SvOK_off(dstr);
SvNOKp_on(dstr);
}
SvNVX(dstr) = SvNVX(sstr);
Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
register char *dptr;
- {
- /* len is STRLEN which is unsigned, need to copy to signed */
- IV iv = len;
- assert(iv >= 0);
- }
+
SV_CHECK_THINKFIRST(sv);
if (!ptr) {
(void)SvOK_off(sv);
return;
}
+ else {
+ /* len is STRLEN which is unsigned, need to copy to signed */
+ IV iv = len;
+ assert(iv >= 0);
+ }
(void)SvUPGRADE(sv, SVt_PV);
SvGROW(sv, len + 1);
}
Newz(702,mg, 1, MAGIC);
mg->mg_moremagic = SvMAGIC(sv);
-
SvMAGIC(sv) = mg;
- if (!obj || obj == sv || how == '#' || how == 'r')
+
+ /* Some magic sontains a reference loop, where the sv and object refer to
+ each other. To prevent a 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. */
+ if (!obj || obj == sv || how == '#' || how == 'r' ||
+ (SvTYPE(obj) == SVt_PVGV &&
+ (GvSV(obj) == sv || GvHV(obj) == (HV*)sv || GvAV(obj) == (AV*)sv ||
+ GvCV(obj) == (CV*)sv || GvIOp(obj) == (IO*)sv ||
+ GvFORM(obj) == (CV*)sv)))
+ {
mg->mg_obj = obj;
+ }
else {
mg->mg_obj = SvREFCNT_inc(obj);
mg->mg_flags |= MGf_REFCOUNTED;
}
mg->mg_type = how;
mg->mg_len = namlen;
- if (name)
+ if (name) {
if (namlen >= 0)
mg->mg_ptr = savepvn(name, namlen);
else if (namlen == HEf_SVKEY)
mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+ }
switch (how) {
case 0:
*mgp = mg->mg_moremagic;
if (vtbl && vtbl->svt_free)
CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
- if (mg->mg_ptr && mg->mg_type != 'g')
+ if (mg->mg_ptr && mg->mg_type != 'g') {
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
else if (mg->mg_len == HEf_SVKEY)
SvREFCNT_dec((SV*)mg->mg_ptr);
+ }
if (mg->mg_flags & MGf_REFCOUNTED)
SvREFCNT_dec(mg->mg_obj);
Safefree(mg);
if (SvOBJECT(sv)) {
if (PL_defstash) { /* Still have a symbol table? */
- djSP;
+ dSP;
CV* destructor;
SV tmpref;
len = 0;
while (s < send) {
STRLEN n;
-
- if (utf8_to_uv(s, UTF8SKIP(s), &n, 0)) {
+ /* We can use low level directly here as we are not looking at the values */
+ if (utf8n_to_uvuni(s, UTF8SKIP(s), &n, 0)) {
s += n;
len++;
}
/* do not utf8ize the comparands as a side-effect */
if (cur1 && cur2 && SvUTF8(sv1) != SvUTF8(sv2) && !IN_BYTE) {
+ bool is_utf8 = TRUE;
+
if (PL_hints & HINT_UTF8_DISTINCT)
return FALSE;
if (SvUTF8(sv1)) {
- (void)utf8_to_bytes((U8*)(pv1 = savepvn(pv1, cur1)), &cur1);
- {
- IV scur1 = cur1;
- if (scur1 < 0) {
- Safefree(pv1);
- return 0;
- }
- }
- pv1tmp = TRUE;
+ char *pv = (char*)bytes_from_utf8((U8*)pv1, &cur1, &is_utf8);
+
+ if ((pv1tmp = (pv != pv1)))
+ pv1 = pv;
}
else {
- (void)utf8_to_bytes((U8*)(pv2 = savepvn(pv2, cur2)), &cur2);
- {
- IV scur2 = cur2;
- if (scur2 < 0) {
- Safefree(pv2);
- return 0;
- }
- }
- pv2tmp = TRUE;
+ char *pv = (char *)bytes_from_utf8((U8*)pv2, &cur2, &is_utf8);
+
+ if ((pv2tmp = (pv != pv2)))
+ pv2 = pv;
}
}
len = -len;
is_utf8 = TRUE;
}
+ if (is_utf8 && !(PL_hints & HINT_UTF8_DISTINCT)) {
+ STRLEN tmplen = len;
+ /* See the note in hv.c:hv_fetch() --jhi */
+ src = (char*)bytes_from_utf8((U8*)src, &tmplen, &is_utf8);
+ len = tmplen;
+ }
if (!hash)
PERL_HASH(hash, src, len);
new_SV(sv);
char *
Perl_sv_pvbyte(pTHX_ SV *sv)
{
+ sv_utf8_downgrade(sv,0);
return sv_pv(sv);
}
char *
Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp)
{
+ sv_utf8_downgrade(sv,0);
return sv_pvn(sv,lp);
}
char *
Perl_sv_pvbyten_force(pTHX_ SV *sv, STRLEN *lp)
{
+ sv_utf8_downgrade(sv,0);
return sv_pvn_force(sv,lp);
}
}
/*
+=for apidoc sv_setref_uv
+
+Copies an unsigned integer into a new SV, optionally blessing the SV. The C<rv>
+argument will be upgraded to an RV. That RV will be modified to point to
+the new SV. The C<classname> argument indicates the package for the
+blessing. Set C<classname> to C<Nullch> to avoid the blessing. The new SV
+will be returned and will have a reference count of 1.
+
+=cut
+*/
+
+SV*
+Perl_sv_setref_uv(pTHX_ SV *rv, const char *classname, UV uv)
+{
+ sv_setuv(newSVrv(rv,classname), uv);
+ return rv;
+}
+
+/*
=for apidoc sv_setref_nv
Copies a double into a new SV, optionally blessing the SV. The C<rv>
sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, maybe_tainted);
}
-I32
+STATIC I32
S_expect_number(pTHX_ char** pattern)
{
I32 var = 0;
q++;
if (vectorize)
goto unknown;
- if (vectorarg = asterisk) {
+ if ((vectorarg = asterisk)) {
evix = ewix;
ewix = 0;
asterisk = FALSE;
uv = args ? va_arg(*args, int) : SvIVx(argsv);
if ((uv > 255 || (uv > 127 && SvUTF8(sv))) && !IN_BYTE) {
eptr = (char*)utf8buf;
- elen = uv_to_utf8((U8*)eptr, uv) - utf8buf;
+ elen = uvchr_to_utf8((U8*)eptr, uv) - utf8buf;
is_utf = TRUE;
}
else {
if (!veclen)
continue;
if (vec_utf)
- iv = (IV)utf8_to_uv(vecstr, veclen, &ulen, 0);
+ iv = (IV)utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
else {
iv = *vecstr;
ulen = 1;
if (!veclen)
continue;
if (vec_utf)
- uv = utf8_to_uv(vecstr, veclen, &ulen, 0);
+ uv = utf8n_to_uvchr(vecstr, veclen, &ulen, 0);
else {
uv = *vecstr;
ulen = 1;
}
}
+void
+Perl_ptr_table_clear(pTHX_ PTR_TBL_t *tbl)
+{
+ register PTR_TBL_ENT_t **array;
+ register PTR_TBL_ENT_t *entry;
+ register PTR_TBL_ENT_t *oentry = Null(PTR_TBL_ENT_t*);
+ UV riter = 0;
+ UV max;
+
+ if (!tbl || !tbl->tbl_items) {
+ return;
+ }
+
+ array = tbl->tbl_ary;
+ entry = array[0];
+ max = tbl->tbl_max;
+
+ for (;;) {
+ if (entry) {
+ oentry = entry;
+ entry = entry->next;
+ Safefree(oentry);
+ }
+ if (!entry) {
+ if (++riter > max) {
+ break;
+ }
+ entry = array[riter];
+ }
+ }
+
+ tbl->tbl_items = 0;
+}
+
+void
+Perl_ptr_table_free(pTHX_ PTR_TBL_t *tbl)
+{
+ if (!tbl) {
+ return;
+ }
+ ptr_table_clear(tbl);
+ Safefree(tbl->tbl_ary);
+ Safefree(tbl);
+}
+
#ifdef DEBUGGING
char *PL_watch_pvx;
#endif
+STATIC SV *
+S_gv_share(pTHX_ SV *sstr)
+{
+ GV *gv = (GV*)sstr;
+ SV *sv = &PL_sv_no; /* just need SvREADONLY-ness */
+
+ if (GvIO(gv) || GvFORM(gv)) {
+ GvSHARED_off(gv); /* GvIOs cannot be shared. nor can GvFORMs */
+ }
+ else if (!GvCV(gv)) {
+ GvCV(gv) = (CV*)sv;
+ }
+ else {
+ /* CvPADLISTs cannot be shared */
+ if (!CvXSUB(GvCV(gv))) {
+ GvSHARED_off(gv);
+ }
+ }
+
+ if (!GvSHARED(gv)) {
+#if 0
+ PerlIO_printf(Perl_debug_log, "gv_share: unable to share %s::%s\n",
+ HvNAME(GvSTASH(gv)), GvNAME(gv));
+#endif
+ return Nullsv;
+ }
+
+ /*
+ * write attempts will die with
+ * "Modification of a read-only value attempted"
+ */
+ if (!GvSV(gv)) {
+ GvSV(gv) = sv;
+ }
+ else {
+ SvREADONLY_on(GvSV(gv));
+ }
+
+ if (!GvAV(gv)) {
+ GvAV(gv) = (AV*)sv;
+ }
+ else {
+ SvREADONLY_on(GvAV(gv));
+ }
+
+ if (!GvHV(gv)) {
+ GvHV(gv) = (HV*)sv;
+ }
+ else {
+ SvREADONLY_on(GvAV(gv));
+ }
+
+ return sstr; /* he_dup() will SvREFCNT_inc() */
+}
+
SV *
Perl_sv_dup(pTHX_ SV *sstr)
{
LvTYPE(dstr) = LvTYPE(sstr);
break;
case SVt_PVGV:
+ if (GvSHARED((GV*)sstr)) {
+ SV *share;
+ if ((share = gv_share(sstr))) {
+ del_SV(dstr);
+ dstr = share;
+#if 0
+ PerlIO_printf(Perl_debug_log, "sv_dup: sharing %s::%s\n",
+ HvNAME(GvSTASH(share)), GvNAME(share));
+#endif
+ break;
+ }
+ }
SvANY(dstr) = new_XPVGV();
SvCUR(dstr) = SvCUR(sstr);
SvLEN(dstr) = SvLEN(sstr);
}
else
CvPADLIST(dstr) = av_dup_inc(CvPADLIST(sstr));
- CvOUTSIDE(dstr) = cv_dup_inc(CvOUTSIDE(sstr));
+ if (!CvANON(sstr) || CvCLONED(sstr))
+ CvOUTSIDE(dstr) = cv_dup_inc(CvOUTSIDE(sstr));
+ else
+ CvOUTSIDE(dstr) = cv_dup(CvOUTSIDE(sstr));
CvFLAGS(dstr) = CvFLAGS(sstr);
break;
default:
PL_numeric_name = SAVEPV(proto_perl->Inumeric_name);
PL_numeric_standard = proto_perl->Inumeric_standard;
PL_numeric_local = proto_perl->Inumeric_local;
- PL_numeric_radix = proto_perl->Inumeric_radix;
+ PL_numeric_radix = sv_dup_inc(proto_perl->Inumeric_radix);
#endif /* !USE_LOCALE_NUMERIC */
/* utf8 character classes */
/* thrdvar.h stuff */
- if (flags & 1) {
+ if (flags & CLONEf_COPY_STACKS) {
/* next allocation will be PL_tmps_stack[PL_tmps_ix+1] */
PL_tmps_ix = proto_perl->Ttmps_ix;
PL_tmps_max = proto_perl->Ttmps_max;
PL_reginterp_cnt = 0;
PL_reg_starttry = 0;
+ if (!(flags & CLONEf_KEEP_PTR_TABLE)) {
+ ptr_table_free(PL_ptr_table);
+ PL_ptr_table = NULL;
+ }
+
#ifdef PERL_OBJECT
return (PerlInterpreter*)pPerl;
#else
projects / p5sagit/p5-mst-13.2.git / blobdiff