#include "reentr.h"
-/* variations on pp_null */
-
/* XXX I can't imagine anyone who doesn't have this actually _needs_
it, since pid_t is an integral type.
--AD 2/20/1998
extern Pid_t getpid (void);
#endif
+/* variations on pp_null */
+
PP(pp_stub)
{
dSP;
PP(pp_padav)
{
dSP; dTARGET;
+ I32 gimme;
if (PL_op->op_private & OPpLVAL_INTRO)
- SAVECLEARSV(PL_curpad[PL_op->op_targ]);
+ SAVECLEARSV(PAD_SVl(PL_op->op_targ));
EXTEND(SP, 1);
if (PL_op->op_flags & OPf_REF) {
PUSHs(TARG);
PUSHs(TARG);
RETURN;
}
- if (GIMME == G_ARRAY) {
+ gimme = GIMME_V;
+ if (gimme == G_ARRAY) {
I32 maxarg = AvFILL((AV*)TARG) + 1;
EXTEND(SP, maxarg);
if (SvMAGICAL(TARG)) {
}
SP += maxarg;
}
- else {
+ else if (gimme == G_SCALAR) {
SV* sv = sv_newmortal();
I32 maxarg = AvFILL((AV*)TARG) + 1;
sv_setiv(sv, maxarg);
XPUSHs(TARG);
if (PL_op->op_private & OPpLVAL_INTRO)
- SAVECLEARSV(PL_curpad[PL_op->op_targ]);
+ SAVECLEARSV(PAD_SVl(PL_op->op_targ));
if (PL_op->op_flags & OPf_REF)
RETURN;
else if (LVRET) {
GV *gv;
if (cUNOP->op_targ) {
STRLEN len;
- SV *namesv = PL_curpad[cUNOP->op_targ];
+ SV *namesv = PAD_SV(cUNOP->op_targ);
name = SvPV(namesv, len);
gv = (GV*)NEWSV(0,0);
gv_init(gv, CopSTASH(PL_curcop), name, len, 0);
PP(pp_anoncode)
{
dSP;
- CV* cv = (CV*)PL_curpad[PL_op->op_targ];
+ CV* cv = (CV*)PAD_SV(PL_op->op_targ);
if (CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
EXTEND(SP,1);
if (!sv)
RETPUSHUNDEF;
- if (SvTHINKFIRST(sv))
- sv_force_normal(sv);
+ SV_CHECK_THINKFIRST_COW_DROP(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
result *= base;
/* Only bother to clear the bit if it is set. */
power &= ~bit;
+ /* Avoid squaring base again if we're done. */
+ if (power == 0) break;
}
}
SP--;
# else
sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a)));
# endif
+ SETs(TARG);
+ RETURN;
#else
DIE(aTHX_
"The crypt() function is unimplemented due to excessive paranoia.");
#endif
- SETs(TARG);
- RETURN;
}
PP(pp_ucfirst)
HV *hash = (HV*)POPs;
HE *entry;
I32 gimme = GIMME_V;
- I32 realhv = (SvTYPE(hash) == SVt_PVHV);
PUTBACK;
/* might clobber stack_sp */
- entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash);
+ entry = hv_iternext(hash);
SPAGAIN;
EXTEND(SP, 2);
SV *val;
PUTBACK;
/* might clobber stack_sp */
- val = realhv ?
- hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry);
+ val = hv_iterval(hash, entry);
SPAGAIN;
PUSHs(val);
}
*MARK = sv ? sv : &PL_sv_undef;
}
}
- else if (hvtype == SVt_PVAV) {
- if (PL_op->op_flags & OPf_SPECIAL) { /* array element */
- while (++MARK <= SP) {
- sv = av_delete((AV*)hv, SvIV(*MARK), discard);
- *MARK = sv ? sv : &PL_sv_undef;
- }
- }
- else { /* pseudo-hash element */
- while (++MARK <= SP) {
- sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0);
- *MARK = sv ? sv : &PL_sv_undef;
- }
- }
+ else if (hvtype == SVt_PVAV) { /* array element */
+ if (PL_op->op_flags & OPf_SPECIAL) {
+ while (++MARK <= SP) {
+ sv = av_delete((AV*)hv, SvIV(*MARK), discard);
+ *MARK = sv ? sv : &PL_sv_undef;
+ }
+ }
}
else
DIE(aTHX_ "Not a HASH reference");
if (PL_op->op_flags & OPf_SPECIAL)
sv = av_delete((AV*)hv, SvIV(keysv), discard);
else
- sv = avhv_delete_ent((AV*)hv, keysv, discard, 0);
+ DIE(aTHX_ "panic: avhv_delete no longer supported");
}
else
DIE(aTHX_ "Not a HASH reference");
if (av_exists((AV*)hv, SvIV(tmpsv)))
RETPUSHYES;
}
- else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */
- RETPUSHYES;
}
else {
DIE(aTHX_ "Not a HASH reference");
dSP; dMARK; dORIGMARK;
register HV *hv = (HV*)POPs;
register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET);
- I32 realhv = (SvTYPE(hv) == SVt_PVHV);
+ bool localizing = PL_op->op_private & OPpLVAL_INTRO ? TRUE : FALSE;
+ bool other_magic = FALSE;
+
+ if (localizing) {
+ MAGIC *mg;
+ HV *stash;
+
+ other_magic = mg_find((SV*)hv, PERL_MAGIC_env) ||
+ ((mg = mg_find((SV*)hv, PERL_MAGIC_tied))
+ /* Try to preserve the existenceness of a tied hash
+ * element by using EXISTS and DELETE if possible.
+ * Fallback to FETCH and STORE otherwise */
+ && (stash = SvSTASH(SvRV(SvTIED_obj((SV*)hv, mg))))
+ && gv_fetchmethod_autoload(stash, "EXISTS", TRUE)
+ && gv_fetchmethod_autoload(stash, "DELETE", TRUE));
+ }
+
+ while (++MARK <= SP) {
+ SV *keysv = *MARK;
+ SV **svp;
+ HE *he;
+ bool preeminent = FALSE;
+
+ if (localizing) {
+ preeminent = SvRMAGICAL(hv) && !other_magic ? 1 :
+ hv_exists_ent(hv, keysv, 0);
+ }
- if (!realhv && PL_op->op_private & OPpLVAL_INTRO)
- DIE(aTHX_ "Can't localize pseudo-hash element");
+ he = hv_fetch_ent(hv, keysv, lval, 0);
+ svp = he ? &HeVAL(he) : 0;
- if (realhv || SvTYPE(hv) == SVt_PVAV) {
- while (++MARK <= SP) {
- SV *keysv = *MARK;
- SV **svp;
- I32 preeminent = SvRMAGICAL(hv) ? 1 :
- realhv ? hv_exists_ent(hv, keysv, 0)
- : avhv_exists_ent((AV*)hv, keysv, 0);
- if (realhv) {
- HE *he = hv_fetch_ent(hv, keysv, lval, 0);
- svp = he ? &HeVAL(he) : 0;
- }
- else {
- svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0);
- }
- if (lval) {
- if (!svp || *svp == &PL_sv_undef) {
- STRLEN n_a;
- DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a));
- }
- if (PL_op->op_private & OPpLVAL_INTRO) {
- if (preeminent)
- save_helem(hv, keysv, svp);
- else {
- STRLEN keylen;
- char *key = SvPV(keysv, keylen);
- SAVEDELETE(hv, savepvn(key,keylen), keylen);
- }
+ if (lval) {
+ if (!svp || *svp == &PL_sv_undef) {
+ STRLEN n_a;
+ DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a));
+ }
+ if (localizing) {
+ if (preeminent)
+ save_helem(hv, keysv, svp);
+ else {
+ STRLEN keylen;
+ char *key = SvPV(keysv, keylen);
+ SAVEDELETE(hv, savepvn(key,keylen), keylen);
}
- }
- *MARK = svp ? *svp : &PL_sv_undef;
- }
+ }
+ }
+ *MARK = svp ? *svp : &PL_sv_undef;
}
if (GIMME != G_ARRAY) {
MARK = ORIGMARK;
if (pm->op_pmreplroot) {
#ifdef USE_ITHREADS
- ary = GvAVn((GV*)PL_curpad[INT2PTR(PADOFFSET, pm->op_pmreplroot)]);
+ ary = GvAVn((GV*)PAD_SVl(INT2PTR(PADOFFSET, pm->op_pmreplroot)));
#else
ary = GvAVn((GV*)pm->op_pmreplroot);
#endif
}
else if (gimme != G_ARRAY)
-#ifdef USE_5005THREADS
- ary = (AV*)PL_curpad[0];
-#else
ary = GvAVn(PL_defgv);
-#endif /* USE_5005THREADS */
else
ary = Nullav;
if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
iters++;
}
else if (!origlimit) {
- while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0))
- iters--, SP--;
+ while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) {
+ if (TOPs && !make_mortal)
+ sv_2mortal(TOPs);
+ iters--;
+ SP--;
+ }
}
if (realarray) {
RETPUSHUNDEF;
}
-#ifdef USE_5005THREADS
-void
-Perl_unlock_condpair(pTHX_ void *svv)
-{
- MAGIC *mg = mg_find((SV*)svv, PERL_MAGIC_mutex);
-
- if (!mg)
- Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex");
- MUTEX_LOCK(MgMUTEXP(mg));
- if (MgOWNER(mg) != thr)
- Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own");
- MgOWNER(mg) = 0;
- COND_SIGNAL(MgOWNERCONDP(mg));
- DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%"UVxf": unlock 0x%"UVxf"\n",
- PTR2UV(thr), PTR2UV(svv)));
- MUTEX_UNLOCK(MgMUTEXP(mg));
-}
-#endif /* USE_5005THREADS */
-
PP(pp_lock)
{
dSP;
PP(pp_threadsv)
{
-#ifdef USE_5005THREADS
- dSP;
- EXTEND(SP, 1);
- if (PL_op->op_private & OPpLVAL_INTRO)
- PUSHs(*save_threadsv(PL_op->op_targ));
- else
- PUSHs(THREADSV(PL_op->op_targ));
- RETURN;
-#else
DIE(aTHX_ "tried to access per-thread data in non-threaded perl");
-#endif /* USE_5005THREADS */
}
projects / p5sagit/p5-mst-13.2.git / blobdiff