dVAR;
MGS* mgs;
assert(SvMAGICAL(sv));
-#ifdef PERL_OLD_COPY_ON_WRITE
- /* Turning READONLY off for a copy-on-write scalar is a bad idea. */
+ /* Turning READONLY off for a copy-on-write scalar (including shared
+ hash keys) is a bad idea. */
if (SvIsCOW(sv))
sv_force_normal_flags(sv, 0);
-#endif
SAVEDESTRUCTOR_X(S_restore_magic, INT2PTR(void*, (IV)mgs_ix));
SvMAGICAL_off(sv);
SvREADONLY_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
}
/*
Perl_mg_magical(pTHX_ SV *sv)
{
const MAGIC* mg;
+ PERL_UNUSED_CONTEXT;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
const MGVTBL* const vtbl = mg->mg_virtual;
if (vtbl) {
cause the SV's buffer to get stolen (and maybe other stuff).
So restore it.
*/
- sv_2mortal(SvREFCNT_inc(sv));
+ sv_2mortal(SvREFCNT_inc_simple(sv));
if (!was_temp) {
SvTEMP_off(sv);
}
MAGIC*
Perl_mg_find(pTHX_ const SV *sv, int type)
{
+ PERL_UNUSED_CONTEXT;
if (sv) {
MAGIC *mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
return mg;
}
}
- return 0;
+ return NULL;
}
/*
dVAR;
MAGIC *mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
- const MGVTBL* const vtbl = mg->mg_virtual;
+ MGVTBL* const vtbl = mg->mg_virtual;
switch (mg->mg_type) {
/* value magic types: don't copy */
case PERL_MAGIC_bm:
int
Perl_magic_regdatum_set(pTHX_ SV *sv, MAGIC *mg)
{
- PERL_UNUSED_ARG(sv); PERL_UNUSED_ARG(mg);
+ PERL_UNUSED_ARG(sv);
+ PERL_UNUSED_ARG(mg);
Perl_croak(aTHX_ PL_no_modify);
NORETURN_FUNCTION_END;
}
}
#define SvRTRIM(sv) STMT_START { \
- STRLEN len = SvCUR(sv); \
- char * const p = SvPVX(sv); \
- while (len > 0 && isSPACE(p[len-1])) \
- --len; \
- SvCUR_set(sv, len); \
- p[len] = '\0'; \
+ if (SvPOK(sv)) { \
+ STRLEN len = SvCUR(sv); \
+ char * const p = SvPVX(sv); \
+ while (len > 0 && isSPACE(p[len-1])) \
+ --len; \
+ SvCUR_set(sv, len); \
+ p[len] = '\0'; \
+ } \
} STMT_END
int
break;
case '\005': /* ^E */
if (nextchar == '\0') {
-#ifdef MACOS_TRADITIONAL
+#if defined(MACOS_TRADITIONAL)
{
char msg[256];
sv_setnv(sv,(double)gMacPerl_OSErr);
sv_setpv(sv, gMacPerl_OSErr ? GetSysErrText(gMacPerl_OSErr, msg) : "");
}
-#else
-#ifdef VMS
+#elif defined(VMS)
{
# include <descrip.h>
# include <starlet.h>
else
sv_setpvn(sv,"",0);
}
-#else
-#ifdef OS2
+#elif defined(OS2)
if (!(_emx_env & 0x200)) { /* Under DOS */
sv_setnv(sv, (NV)errno);
sv_setpv(sv, errno ? Strerror(errno) : "");
sv_setnv(sv, (NV)Perl_rc);
sv_setpv(sv, os2error(Perl_rc));
}
-#else
-#ifdef WIN32
+#elif defined(WIN32)
{
- DWORD dwErr = GetLastError();
+ const DWORD dwErr = GetLastError();
sv_setnv(sv, (NV)dwErr);
if (dwErr) {
PerlProc_GetOSError(sv, dwErr);
errno = saveerrno;
}
#endif
-#endif
-#endif
-#endif
SvRTRIM(sv);
SvNOK_on(sv); /* what a wonderful hack! */
}
? (PL_taint_warn || PL_unsafe ? -1 : 1)
: 0);
break;
- case '\025': /* $^UNICODE, $^UTF8LOCALE */
+ case '\025': /* $^UNICODE, $^UTF8LOCALE, $^UTF8CACHE */
if (strEQ(remaining, "NICODE"))
sv_setuv(sv, (UV) PL_unicode);
else if (strEQ(remaining, "TF8LOCALE"))
sv_setuv(sv, (UV) PL_utf8locale);
+ else if (strEQ(remaining, "TF8CACHE"))
+ sv_setiv(sv, (IV) PL_utf8cache);
break;
case '\027': /* ^W & $^WARNING_BITS */
if (nextchar == '\0')
* it could have been extended by warnings::register */
SV **bits_all;
HV * const bits=get_hv("warnings::Bits", FALSE);
- if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) {
+ if (bits && (bits_all=hv_fetchs(bits, "all", FALSE))) {
sv_setsv(sv, *bits_all);
}
else {
{
i = t1 - s1;
s = rx->subbeg + s1;
- if (!rx->subbeg)
- break;
+ assert(rx->subbeg);
getrx:
if (i >= 0) {
case '/':
break;
case '[':
- WITH_THR(sv_setiv(sv, (IV)PL_curcop->cop_arybase));
+ WITH_THR(sv_setiv(sv, (IV)CopARYBASE_get(PL_curcop)));
break;
case '|':
if (GvIOp(PL_defoutgv))
break;
case '(':
sv_setiv(sv, (IV)PL_gid);
-#ifdef HAS_GETGROUPS
- Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_gid);
-#endif
goto add_groups;
case ')':
sv_setiv(sv, (IV)PL_egid);
-#ifdef HAS_GETGROUPS
- Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_egid);
-#endif
add_groups:
#ifdef HAS_GETGROUPS
{
Groups_t *gary = NULL;
- I32 num_groups = getgroups(0, gary);
+ I32 i, num_groups = getgroups(0, gary);
Newx(gary, num_groups, Groups_t);
num_groups = getgroups(num_groups, gary);
- while (--num_groups >= 0)
- Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f,
- gary[num_groups]);
+ for (i = 0; i < num_groups; i++)
+ Perl_sv_catpvf(aTHX_ sv, " %"IVdf, (IV)gary[i]);
Safefree(gary);
}
-#endif
(void)SvIOK_on(sv); /* what a wonderful hack! */
+#endif
break;
#ifndef MACOS_TRADITIONAL
case '0':
return 0;
}
}
- if ((cp = strchr(elt, ':')) != Nullch)
+ if ((cp = strchr(elt, ':')) != NULL)
*cp = '\0';
if (my_trnlnm(elt, eltbuf, j++))
elt = eltbuf;
Perl_magic_clearenv(pTHX_ SV *sv, MAGIC *mg)
{
PERL_UNUSED_ARG(sv);
- my_setenv(MgPV_nolen_const(mg),Nullch);
+ my_setenv(MgPV_nolen_const(mg),NULL);
return 0;
}
sv_setpv(sv,"IGNORE");
else
sv_setsv(sv,&PL_sv_undef);
- PL_psig_ptr[i] = SvREFCNT_inc(sv);
+ PL_psig_ptr[i] = SvREFCNT_inc_simple(sv);
SvTEMP_off(sv);
}
}
#endif
SvREFCNT_dec(PL_psig_name[i]);
to_dec = PL_psig_ptr[i];
- PL_psig_ptr[i] = SvREFCNT_inc(sv);
+ PL_psig_ptr[i] = SvREFCNT_inc_simple(sv);
SvTEMP_off(sv); /* Make sure it doesn't go away on us */
PL_psig_name[i] = newSVpvn(s, len);
SvREADONLY_on(PL_psig_name[i]);
#endif
}
else
- *svp = SvREFCNT_inc(sv);
+ *svp = SvREFCNT_inc_simple_NN(sv);
if(to_dec)
SvREFCNT_dec(to_dec);
return 0;
if (i)
(void)rsignal(i, PL_csighandlerp);
else
- *svp = SvREFCNT_inc(sv);
+ *svp = SvREFCNT_inc_simple(sv);
}
#ifdef HAS_SIGPROCMASK
if(i)
dVAR;
const AV * const obj = (AV*)mg->mg_obj;
if (obj) {
- sv_setiv(sv, AvFILL(obj) + PL_curcop->cop_arybase);
+ sv_setiv(sv, AvFILL(obj) + CopARYBASE_get(PL_curcop));
} else {
SvOK_off(sv);
}
dVAR;
AV * const obj = (AV*)mg->mg_obj;
if (obj) {
- av_fill(obj, SvIV(sv) - PL_curcop->cop_arybase);
+ av_fill(obj, SvIV(sv) - CopARYBASE_get(PL_curcop));
} else {
if (ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC),
I32 i = mg->mg_len;
if (DO_UTF8(lsv))
sv_pos_b2u(lsv, &i);
- sv_setiv(sv, i + PL_curcop->cop_arybase);
+ sv_setiv(sv, i + CopARYBASE_get(PL_curcop));
return 0;
}
}
if (!mg) {
if (!SvOK(sv))
return 0;
- sv_magic(lsv, NULL, PERL_MAGIC_regex_global, NULL, 0);
- mg = mg_find(lsv, PERL_MAGIC_regex_global);
+#ifdef PERL_OLD_COPY_ON_WRITE
+ if (SvIsCOW(lsv))
+ sv_force_normal_flags(lsv, 0);
+#endif
+ mg = sv_magicext(lsv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob,
+ NULL, 0);
}
else if (!SvOK(sv)) {
mg->mg_len = -1;
}
len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv);
- pos = SvIV(sv) - PL_curcop->cop_arybase;
+ pos = SvIV(sv) - CopARYBASE_get(PL_curcop);
if (DO_UTF8(lsv)) {
ulen = sv_len_utf8(lsv);
}
int
-Perl_magic_getglob(pTHX_ SV *sv, MAGIC *mg)
-{
- PERL_UNUSED_ARG(mg);
- if (SvFAKE(sv)) { /* FAKE globs can get coerced */
- SvFAKE_off(sv);
- gv_efullname3(sv,((GV*)sv), "*");
- SvFAKE_on(sv);
- }
- else
- gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */
- return 0;
-}
-
-int
Perl_magic_setglob(pTHX_ SV *sv, MAGIC *mg)
{
GV* gv;
if (!SvOK(sv))
return 0;
+ if (SvFLAGS(sv) & SVp_SCREAM
+ && (SvTYPE(sv) == SVt_PVGV || SvTYPE(sv) == SVt_PVGV)) {
+ /* We're actually already a typeglob, so don't need the stuff below.
+ */
+ return 0;
+ }
gv = gv_fetchsv(sv, GV_ADD, SVt_PVGV);
if (sv == (SV*)gv)
return 0;
Perl_magic_getdefelem(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- SV *targ = Nullsv;
+ SV *targ = NULL;
if (LvTARGLEN(sv)) {
if (mg->mg_obj) {
SV * const ahv = LvTARG(sv);
if (targ && targ != &PL_sv_undef) {
/* somebody else defined it for us */
SvREFCNT_dec(LvTARG(sv));
- LvTARG(sv) = SvREFCNT_inc(targ);
+ LvTARG(sv) = SvREFCNT_inc_simple_NN(targ);
LvTARGLEN(sv) = 0;
SvREFCNT_dec(mg->mg_obj);
- mg->mg_obj = Nullsv;
+ mg->mg_obj = NULL;
mg->mg_flags &= ~MGf_REFCOUNTED;
}
}
{
dVAR;
MAGIC *mg;
- SV *value = Nullsv;
+ SV *value = NULL;
if (!LvTARGLEN(sv) || !(mg = mg_find(sv, PERL_MAGIC_defelem)))
return;
else {
AV* const av = (AV*)LvTARG(sv);
if ((I32)LvTARGLEN(sv) < 0 && (I32)LvTARGOFF(sv) > AvFILL(av))
- LvTARG(sv) = Nullsv; /* array can't be extended */
+ LvTARG(sv) = NULL; /* array can't be extended */
else {
- SV** const svp = av_fetch(av, LvTARGOFF(sv), TRUE);
+ SV* const * const svp = av_fetch(av, LvTARGOFF(sv), TRUE);
if (!svp || (value = *svp) == &PL_sv_undef)
Perl_croak(aTHX_ PL_no_aelem, (I32)LvTARGOFF(sv));
}
}
- (void)SvREFCNT_inc(value);
+ SvREFCNT_inc_simple_void(value);
SvREFCNT_dec(LvTARG(sv));
LvTARG(sv) = value;
LvTARGLEN(sv) = 0;
SvREFCNT_dec(mg->mg_obj);
- mg->mg_obj = Nullsv;
+ mg->mg_obj = NULL;
mg->mg_flags &= ~MGf_REFCOUNTED;
}
int
Perl_magic_setmglob(pTHX_ SV *sv, MAGIC *mg)
{
+ PERL_UNUSED_CONTEXT;
mg->mg_len = -1;
SvSCREAM_off(sv);
return 0;
* RenE<eacute> Descartes said "I think not."
* and vanished with a faint plop.
*/
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(sv);
if (mg->mg_ptr) {
Safefree(mg->mg_ptr);
int
Perl_magic_setutf8(pTHX_ SV *sv, MAGIC *mg)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(sv);
Safefree(mg->mg_ptr); /* The mg_ptr holds the pos cache. */
mg->mg_ptr = 0;
PL_encoding = newSVsv(sv);
}
else {
- PL_encoding = Nullsv;
+ PL_encoding = NULL;
}
}
break;
break;
case '\011': /* ^I */ /* NOT \t in EBCDIC */
Safefree(PL_inplace);
- PL_inplace = SvOK(sv) ? savesvpv(sv) : Nullch;
+ PL_inplace = SvOK(sv) ? savesvpv(sv) : NULL;
break;
case '\017': /* ^O */
if (*(mg->mg_ptr+1) == '\0') {
Safefree(PL_osname);
- PL_osname = Nullch;
+ PL_osname = NULL;
if (SvOK(sv)) {
TAINT_PROPER("assigning to $^O");
PL_osname = savesvpv(sv);
PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
#endif
break;
+ case '\025': /* ^UTF8CACHE */
+ if (strEQ(mg->mg_ptr+1, "TF8CACHE")) {
+ PL_utf8cache = (signed char) sv_2iv(sv);
+ }
+ break;
case '\027': /* ^W & $^WARNING_BITS */
if (*(mg->mg_ptr+1) == '\0') {
if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
PL_ors_sv = newSVsv(sv);
}
else {
- PL_ors_sv = Nullsv;
+ PL_ors_sv = NULL;
}
break;
case ',':
PL_ofs_sv = newSVsv(sv);
}
else {
- PL_ofs_sv = Nullsv;
+ PL_ofs_sv = NULL;
}
break;
case '[':
- PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ CopARYBASE_set(&PL_compiling, SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
break;
case '?':
#ifdef COMPLEX_STATUS
Perl_whichsig(pTHX_ const char *sig)
{
register char* const* sigv;
+ PERL_UNUSED_CONTEXT;
for (sigv = (char* const*)PL_sig_name; *sigv; sigv++)
if (strEQ(sig,*sigv))
dTHX;
#endif
dSP;
- GV *gv = Nullgv;
- SV *sv = Nullsv;
+ GV *gv = NULL;
+ SV *sv = NULL;
SV * const tSv = PL_Sv;
- CV *cv = Nullcv;
+ CV *cv = NULL;
OP *myop = PL_op;
U32 flags = 0;
XPV * const tXpv = PL_Xpv;
}
if(PL_psig_name[sig]) {
- sv = SvREFCNT_inc(PL_psig_name[sig]);
+ sv = SvREFCNT_inc_NN(PL_psig_name[sig]);
flags |= 64;
#if !defined(PERL_IMPLICIT_CONTEXT)
PL_sig_sv = sv;
(void)rsignal(sig, PL_csighandlerp);
#endif
#endif /* !PERL_MICRO */
- Perl_die(aTHX_ Nullch);
+ Perl_die(aTHX_ NULL);
}
cleanup:
if (flags & 1)
}
/*
+=for apidoc magic_sethint
+
+Triggered by a store to %^H, records the key/value pair to
+C<PL_compiling.cop_hints>. It is assumed that hints aren't storing anything
+that would need a deep copy. Maybe we should warn if we find a reference.
+
+=cut
+*/
+int
+Perl_magic_sethint(pTHX_ SV *sv, MAGIC *mg)
+{
+ dVAR;
+ assert(mg->mg_len == HEf_SVKEY);
+
+ /* mg->mg_obj isn't being used. If needed, it would be possible to store
+ an alternative leaf in there, with PL_compiling.cop_hints being used if
+ it's NULL. If needed for threads, the alternative could lock a mutex,
+ or take other more complex action. */
+
+ /* Something changed in %^H, so it will need to be restored on scope exit.
+ Doing this here saves a lot of doing it manually in perl code (and
+ forgetting to do it, and consequent subtle errors. */
+ PL_hints |= HINT_LOCALIZE_HH;
+ PL_compiling.cop_hints
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints,
+ (SV *)mg->mg_ptr, newSVsv(sv));
+ return 0;
+}
+
+/*
+=for apidoc magic_sethint
+
+Triggered by a delete from %^H, records the key to C<PL_compiling.cop_hints>.
+
+=cut
+*/
+int
+Perl_magic_clearhint(pTHX_ SV *sv, MAGIC *mg)
+{
+ dVAR;
+ assert(mg->mg_len == HEf_SVKEY);
+
+ PL_hints |= HINT_LOCALIZE_HH;
+ PL_compiling.cop_hints
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints,
+ (SV *)mg->mg_ptr, &PL_sv_placeholder);
+ return 0;
+}
+
+/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
https://perl5.git.perl.org / perl5.git / blobdiff