no route from NV to PVIV, NOK can never be true */
assert(!SvNOKp(sv));
assert(!SvNOK(sv));
+ /* FALLTHROUGH */
case SVt_PVIO:
case SVt_PVFM:
case SVt_PVGV:
/* Don't round up on the first allocation, as odds are pretty good that
* the initial request is accurate as to what is really needed */
if (SvLEN(sv)) {
- newlen = PERL_STRLEN_ROUNDUP(newlen);
+ STRLEN rounded = PERL_STRLEN_ROUNDUP(newlen);
+ if (rounded > newlen)
+ newlen = rounded;
}
#endif
if (SvLEN(sv) && s) {
/* If numtype is infnan, set the NV of the sv accordingly.
* If numtype is anything else, try setting the NV using Atof(PV). */
+#ifdef USING_MSVC6
+# pragma warning(push)
+# pragma warning(disable:4756;disable:4056)
+#endif
static void
S_sv_setnv(pTHX_ SV* sv, int numtype)
{
SvPOK_on(sv); /* PV is okay, though. */
}
}
+#ifdef USING_MSVC6
+# pragma warning(pop)
+#endif
STATIC bool
S_sv_2iuv_common(pTHX_ SV *const sv)
#else
{
bool local_radix;
- DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED();
+ DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
+ STORE_LC_NUMERIC_SET_TO_NEEDED();
local_radix =
PL_numeric_local &&
/*
=for apidoc sv_get_backrefs
-If the sv is the target of a weakrefence then return
-the backrefs structure associated with the sv, otherwise
-return NULL.
+If the sv is the target of a weak reference then it returns the back
+references structure associated with the sv; otherwise return NULL.
-When returning a non-null result the type of the return
-is relevant. If it is an AV then the contents of the AV
-are the weakrefs which point at this item. If it is any
-other type then the item itself is the weakref.
+When returning a non-null result the type of the return is relevant. If it
+is an AV then the elements of the AV are the weak reference RVs which
+point at this item. If it is any other type then the item itself is the
+weak reference.
See also Perl_sv_add_backref(), Perl_sv_del_backref(),
Perl_sv_kill_backrefs()
PERL_ARGS_ASSERT_SV_INSERT_FLAGS;
- if (!bigstr)
- Perl_croak(aTHX_ "Can't modify nonexistent substring");
SvPV_force_flags(bigstr, curlen, flags);
(void)SvPOK_only_UTF8(bigstr);
if (offset + len > curlen) {
SV* iter_sv = NULL;
SV* next_sv = NULL;
SV *sv = orig_sv;
- STRLEN hash_index;
+ STRLEN hash_index = 0; /* initialise to make Coverity et al happy.
+ Not strictly necessary */
PERL_ARGS_ASSERT_SV_CLEAR;
PL_last_swash_hv = NULL;
}
if (HvTOTALKEYS((HV*)sv) > 0) {
- const char *name;
+ const HEK *hek;
/* this statement should match the one at the beginning of
* hv_undef_flags() */
if ( PL_phase != PERL_PHASE_DESTRUCT
- && (name = HvNAME((HV*)sv)))
+ && (hek = HvNAME_HEK((HV*)sv)))
{
if (PL_stashcache) {
- DEBUG_o(Perl_deb(aTHX_ "sv_clear clearing PL_stashcache for '%"SVf"'\n",
- SVfARG(sv)));
+ DEBUG_o(Perl_deb(aTHX_
+ "sv_clear clearing PL_stashcache for '%"HEKf
+ "'\n",
+ HEKfARG(hek)));
(void)hv_deletehek(PL_stashcache,
- HvNAME_HEK((HV*)sv), G_DISCARD);
+ hek, G_DISCARD);
}
hv_name_set((HV*)sv, NULL, 0, 0);
}
else if (LvTYPE(sv) != 't') /* unless tie: unrefcnted fake SV** */
SvREFCNT_dec(LvTARG(sv));
if (isREGEXP(sv)) goto freeregexp;
+ /* FALLTHROUGH */
case SVt_PVGV:
if (isGV_with_GP(sv)) {
if(GvCVu((const GV *)sv) && (stash = GvSTASH(MUTABLE_GV(sv)))
PL_statgv = NULL;
else if ((const GV *)sv == PL_stderrgv)
PL_stderrgv = NULL;
+ /* FALLTHROUGH */
case SVt_PVMG:
case SVt_PVNV:
case SVt_PVIV:
sv_vcatpvfn_flags(sv, pat, patlen, args, svargs, svmax, maybe_tainted, SV_GMAGIC|SV_SMAGIC);
}
-#if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN || \
- DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN || \
- DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
-# define DOUBLE_LITTLE_ENDIAN
-#endif
-
-#ifdef HAS_LONG_DOUBLEKIND
-
-# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN
-# define LONGDOUBLE_LITTLE_ENDIAN
-# endif
-
-# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
-# define LONGDOUBLE_BIG_ENDIAN
-# endif
-
-# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
-# define LONGDOUBLE_X86_80_BIT
-# endif
-
-# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN || \
- LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
-# define LONGDOUBLE_DOUBLEDOUBLE
+#ifdef LONGDOUBLE_DOUBLEDOUBLE
/* The first double can be as large as 2**1023, or '1' x '0' x 1023.
* The second double can be as small as 2**-1074, or '0' x 1073 . '1'.
* The sum of them can be '1' . '0' x 2096 . '1', with implied radix point
* of dynamically growing buffer might be better, start at just 16 bytes
* (for example) and grow only when necessary. Or maybe just by looking
* at the exponents of the two doubles? */
-# define DOUBLEDOUBLE_MAXBITS 2098
-# endif
-
-#endif /* HAS_LONG_DOUBLE */
+# define DOUBLEDOUBLE_MAXBITS 2098
+#endif
/* vhex will contain the values (0..15) of the hex digits ("nybbles"
* of 4 bits); 1 for the implicit 1, and the mantissa bits, four bits
bool no_redundant_warning = FALSE; /* did we use any explicit format parameter index? */
bool hexfp = FALSE; /* hexadecimal floating point? */
- DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED;
+ DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
PERL_ARGS_ASSERT_SV_VCATPVFN_FLAGS;
PERL_UNUSED_ARG(maybe_tainted);
#ifndef FV_ISFINITE
# define FV_ISFINITE(x) Perl_isfinite((NV)(x))
#endif
+ NV nv;
STRLEN have;
STRLEN need;
STRLEN gap;
#ifdef USE_QUADMATH
fv = intsize == 'q' ?
va_arg(*args, NV) : va_arg(*args, double);
+ nv = fv;
#elif LONG_DOUBLESIZE > DOUBLESIZE
- if (intsize == 'q')
+ if (intsize == 'q') {
fv = va_arg(*args, long double);
- else
- NV_TO_FV(va_arg(*args, double), fv);
+ nv = fv;
+ } else {
+ nv = va_arg(*args, double);
+ NV_TO_FV(nv, fv);
+ }
#else
- fv = va_arg(*args, double);
+ nv = va_arg(*args, double);
+ fv = nv;
#endif
}
else
{
if (!infnan) SvGETMAGIC(argsv);
- NV_TO_FV(SvNV_nomg(argsv), fv);
+ nv = SvNV_nomg(argsv);
+ NV_TO_FV(nv, fv);
}
need = 0;
goto float_converted;
}
} else if ( c == 'f' && !precis ) {
- if ((eptr = F0convert(fv, ebuf + sizeof ebuf, &elen)))
+ if ((eptr = F0convert(nv, ebuf + sizeof ebuf, &elen)))
break;
}
}
* should be output as 0x0.0000000000001p-1022 to
* match its internal structure. */
- /* Note: fv can be (and often is) long double.
- * Here it is explicitly cast to NV. */
- vend = S_hextract(aTHX_ (NV)fv, &exponent, vhex, NULL);
- S_hextract(aTHX_ (NV)fv, &exponent, vhex, vend);
+ vend = S_hextract(aTHX_ nv, &exponent, vhex, NULL);
+ S_hextract(aTHX_ nv, &exponent, vhex, vend);
#if NVSIZE > DOUBLESIZE
# ifdef HEXTRACT_HAS_IMPLICIT_BIT
}
}
else {
- elen = S_infnan_2pv(fv, PL_efloatbuf, PL_efloatsize, plus);
+ elen = S_infnan_2pv(nv, PL_efloatbuf, PL_efloatsize, plus);
if (elen) {
/* Not affecting infnan output: precision, alt, fill. */
if (elen < width) {
if (!qfmt)
Perl_croak_nocontext("panic: quadmath invalid format \"%s\"", ptr);
elen = quadmath_snprintf(PL_efloatbuf, PL_efloatsize,
- qfmt, fv);
+ qfmt, nv);
if ((IV)elen == -1)
Perl_croak_nocontext("panic: quadmath_snprintf failed, format \"%s|'", qfmt);
if (qfmt != ptr)
}
items = AvMAX((const AV *)sstr) - AvFILLp((const AV *)sstr);
while (items-- > 0) {
- *dst_ary++ = &PL_sv_undef;
+ *dst_ary++ = NULL;
}
}
else {
case CXt_LOOP_LAZYSV:
ncx->blk_loop.state_u.lazysv.end
= sv_dup_inc(ncx->blk_loop.state_u.lazysv.end, param);
- /* We are taking advantage of av_dup_inc and sv_dup_inc
- actually being the same function, and order equivalence of
- the two unions.
+ /* Fallthrough: duplicate lazysv.cur by using the ary.ary
+ duplication code instead.
+ We are taking advantage of (1) av_dup_inc and sv_dup_inc
+ actually being the same function, and (2) order
+ equivalence of the two unions.
We can assert the later [but only at run time :-(] */
assert ((void *) &ncx->blk_loop.state_u.ary.ary ==
(void *) &ncx->blk_loop.state_u.lazysv.cur);
+ /* FALLTHROUGH */
case CXt_LOOP_FOR:
ncx->blk_loop.state_u.ary.ary
= av_dup_inc(ncx->blk_loop.state_u.ary.ary, param);
+ /* FALLTHROUGH */
case CXt_LOOP_LAZYIV:
case CXt_LOOP_PLAIN:
+ /* code common to all CXt_LOOP_* types */
if (CxPADLOOP(ncx)) {
ncx->blk_loop.itervar_u.oldcomppad
= (PAD*)ptr_table_fetch(PL_ptr_table,
# ifdef DEBUG_LEAKING_SCALARS
PL_sv_serial = (((UV)my_perl >> 2) & 0xfff) * 1000000;
# endif
+# ifdef PERL_TRACE_OPS
+ Zero(PL_op_exec_cnt, OP_max+2, UV);
+# endif
#else /* !DEBUGGING */
Zero(my_perl, 1, PerlInterpreter);
#endif /* DEBUGGING */
for (i = 0; i < POSIX_CC_COUNT; i++) {
PL_XPosix_ptrs[i] = sv_dup_inc(proto_perl->IXPosix_ptrs[i], param);
}
+ PL_GCB_invlist = sv_dup_inc(proto_perl->IGCB_invlist, param);
+ PL_SB_invlist = sv_dup_inc(proto_perl->ISB_invlist, param);
+ PL_WB_invlist = sv_dup_inc(proto_perl->IWB_invlist, param);
PL_utf8_mark = sv_dup_inc(proto_perl->Iutf8_mark, param);
- PL_utf8_X_regular_begin = sv_dup_inc(proto_perl->Iutf8_X_regular_begin, param);
- PL_utf8_X_extend = sv_dup_inc(proto_perl->Iutf8_X_extend, 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);
nsv = sv_newmortal();
SvSetSV_nosteal(nsv, sv);
}
+ save_re_context();
PUSHMARK(sp);
EXTEND(SP, 3);
PUSHs(encoding);
PERL_ARGS_ASSERT_SV_CAT_DECODE;
- if (SvPOK(ssv) && SvPOK(dsv) && SvROK(encoding) && offset) {
+ if (SvPOK(ssv) && SvPOK(dsv) && SvROK(encoding)) {
SV *offsv;
dSP;
ENTER;
SAVETMPS;
+ save_re_context();
PUSHMARK(sp);
EXTEND(SP, 6);
PUSHs(encoding);
}
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff